Search Results — 2000 specimen records retrieved (1369 records with coordinates)
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 Please cite data retrieved from this page: Data provided by the participants of the Consortium of California Herbaria (ucjeps.berkeley.edu/cch_archive/).
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? Specimen ID Determination * Collector Collection Date Collection Number County Locality Elevation in meters Feedback
  CAS-BOT-BC78122  Abies X shastensis W. R. Dudley 1899-8-1 s.n. Siskiyou top of Black Butte, w. of Mt. Shasta Comment
  RSA761839  Abies amabilis Robert F. Thorne, Frederick W. Oettinger 1969-8-4 63375 Siskiyou Klamath National Forest, Salmon Mountains, Marble Mountain Wilderness Area, high lake basins in the vicinity of English Peak Comment
  SEINET8058010 Image available Abies concolor Jack Major, R. Pemble, M. Fleschner 1966-9-6 Siskiyou Beside trail from Lovers Camp to Marble Valley Guard Station (Sec. 7, T 3 N, R12 W), Marble Mountains 1372 Comment
  HSC4999  Abies lasiocarpa J. O. Sawyer 1969-7-3 1440 Siskiyou N of Russian Lake 2149 Comment
  HSC72673  Acer negundo var. californicum J. P. Smith 1973-5-5 6569 Siskiyou Weed lots of Etna 793 Comment
  HSC68003  Achillea millefolium J. P. Smith, Steve Selva 1970-6-15 3983 Siskiyou 1 mi. W of junction of Hwy. 3 and Rd. 8 leading to Sugar Creek 1159 Comment
  UC1045301  Achillea millefolium W. Bridge Cooke 1904-7-7 15480 Siskiyou along west rim near upper limits of Hudsonian Zone Mud Creek Canyon; Mount Shasta 2743 Comment
Read comments
Oct 9 2007
  CAS-BOT-BC30426  Achillea millefolium Alice Eastwood 1921-7-25 10839 Siskiyou Bigelowe, McCloud River Comment
  HSC30339  Achillea millefolium Dale R. Gradek 1974-5-25 47 Siskiyou On Road Eight, 0.9 miles from junction with Hwy. 3 Comment
  RSA105392  Achillea millefolium G. D. Barbe 1955-7-7 s.n. Siskiyou South of Forest Camp, Etna 884 Comment
  RSA671413  Achillea millefolium var. alpicola F. R. Schallert 1953-8-20 s.n. Siskiyou near Mt. Shasta Comment
  RSA238570  Achlys triphylla Frederick W. Oettinger 1969-9-4 1669 Siskiyou Near gap between Tobacco Lake and Toms Lake Basin (in Tobacco Lake Basin), Salmon Mountians, the High Lake Basins in the vicinity of English Peak Marble Mountain Wilderness Area. 1829 Comment
  SEINET12093091  Achlys triphylla F. H. Utech 1986-1 86 -477 Siskiyou Klamath National Forest, West Branch Recreation Area, ca 12 mi NE of Happy Camp 1000 Comment
  UCD50821  Achnatherum nevadense Leo Whitney Date Unknown 3471 Siskiyou Bullseye Lake, 2 miles southeast of Medicine Lake. Comment
  CAS-BOT-BC216921  Achnatherum occidentale John Thomas Howell 1937-7-26 13523 Siskiyou Caribou Basin, Salmon-Trinity Alps 2286 Comment
  RSA238981  Achnatherum occidentale subsp. californicum Frederick W. Oettinger 1968-9-6 744 -a Siskiyou Tom's Lake region, Edge of Bear Meadow . The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2188 Comment
  UC60168  Achnatherum occidentale subsp. californicum W. L. Jepson 1895-1 Siskiyou Shasta Comment
  UC1025010  Achnatherum occidentale subsp. occidentale Leo Whitney 1935-7-15 3481 Siskiyou 2 mi se Medicine Lake (lava ridge, Bullseye Lake); Bullseye Lake Comment
  CDA28112  Achnatherum occidentale subsp. pubescens Don Shaw 1973-7-26 Siskiyou MCloud, Hearst Estates in orchard. 0 Comment
  UC593458  Achnatherum occidentale subsp. pubescens E. B. Babcock, G. L. Stebbins Jr. 1936-6-11 1960 Siskiyou 2 mi s, on highway from Bray to Weed Sheep Rock (n slope of Mt. Shasta); Mt. Shasta 1235 Comment
  UCD51181  Achnatherum occidentale subsp. pubescens Mr. Roseman 1913-1 7 Siskiyou Butte Valley. Comment
  UCD103804  Acmispon americanus var. americanus A. A. Heller 1916-6-23 12430 Siskiyou Near Black Butte north of Sisson. 1127 Comment
  UCD103800  Acmispon americanus var. americanus A. A. Heller 1914-8-25 11701 Siskiyou Deetz Station near Black Butte. 1158 Comment
  JEPS60370  Aconitum columbianum John P. Young 1921-9-15 Siskiyou Etna Mills Comment
  SBBG71819  Aconitum columbianum A. A. Heller 1927-8-1 14433 Siskiyou State Teachers College, near Shasta City (Sisson) 1074 Comment
  UC375342  Aconitum columbianum Geo. D. Butler 1908-8-3 363 Siskiyou Shackleford Creek, Log Lake Comment
  UC1333335  Aconitum columbianum Dorothy Parker 1949-8-3 355 Siskiyou around edges Paradise Lake; Siskiyou Mts., Salmon Mt., Paradise Lake 1981 Comment
  HSC22294  Aconitum columbianum subsp. columbianum J. O. Sawyer 1969-8-4 1890 Siskiyou Above S Sugar Lake 2043 Comment
  HSC34  Aconitum columbianum subsp. columbianum William J. Ferlatte 1966-8-19 437 Siskiyou Kidd Creek Trail 1890 Comment
  SEINET10619648 Image available Aconitum columbianum subsp. viviparum H. E. Brown 1897-7-1 Brown 514 Siskiyou Collected south side Mt. Shasta, Siskiyou County. 1524 Comment
  SJSU10647  Aconogonon newberryi C. L. Kline 1965-7-13 201 Siskiyou above Horse Camp on S slope Mt Shasta 2468 Comment
  UCD98564  Aconogonon newberryi J. M Tucker 1950-7-23 1940 Siskiyou Panther Meadows, Mt. Shasta. 2407 Comment
  UC637108  Adenocaulon bicolor Annetta Carter 1934-4-13 697 Siskiyou 4 mi n, on Indian Creek Happy Camp; Klamath National Forest, Indian Creek Comment
  CAS-BOT-BC68956  Adiantum aleuticum A. A. Heller 1915-8-26 12235 Siskiyou Mt. Eddy in open swampy places in the forest. 1828 Comment
  UCSB51234  Adiantum aleuticum Almanza, Ed 1976-7-15 Siskiyou O' Neill Creek (eastern tributary to Klamath River), State Hwy 96 238 Comment
  CAS-BOT-BC540710  Agastache urticifolia Dana York 2012-7-22 3145 Siskiyou Siskiyou Mountains: Klamath National Forest, ca. 440 m ESE of Red Butte, springs around Bee Camp 1740 Comment
  UCD124992  Agastache urticifolia A. H. Murphy 1958-8-4 58 D Siskiyou Klamath National Forest, Little Elk Lake. 1676 Comment
  JEPS95036  Ageratina occidentalis Vernon Oswald and Lowell Ahart 1997-7-28 8776 Siskiyou 14.5 mi s of Medicine Lake (Forest Route 49 (Powder Hill Road) 1.5 mi n of 41N03 to Porcupine Butte); Forest Route 49 (Powder Hill Road) 1371 Comment
  CAS-BOT-BC29449  Ageratina occidentalis Louis C. Wheeler 1934-8-9 3070 Siskiyou Dead Cow Creek, Klamath National Forest 1981 Comment
  CAS-BOT-BC15485  Agoseris X dasycarpa Alice Eastwood 1921-7-28 10921 Siskiyou Medicine Lake Comment
  HSC62468  Agoseris aurantiaca Ruby Van Deventer 1939-7-18 Siskiyou Twin Valley Comment
  SEINET516277  Agoseris aurantiaca Vernon H. Oswald 1997-7-28 8785 Siskiyou SE of Medicine Lake at Paynes Springs. 1920 Comment
  RSA14496  Agoseris glauca var. dasycephala Elmer I. Applegate 1923-8-18 3850 Siskiyou 2 miles east of Medicine Lake Comment
  HSC4598  Agoseris grandiflora R. C. Wunner 331 Siskiyou Lava Beds National Monument. Devil's Homestead Overlook 1250 Comment
  UCD77306  Agoseris heterophylla Robert E. Preston 2002-6-20 1850 Siskiyou Klamath National Forest, Rainbow Mountain, W ridge, on E-facing slope 1968 Comment
  HSC92336  Agoseris monticola Jennifer Whipple 1976-7-14 1466 Siskiyou Wagon Creek Drainage near Wagon Creek 2195 Comment
  CAS-BOT-BC13473  Agoseris retrorsa LeRoy Ellsworth Detling 1950-6-9 6605 Siskiyou Black Butte Summit (Hwy 99) 1188 Comment
  HSC45889  Agropyron cristatum Laura Witherspoon 1978-8-15 79 Siskiyou Klamath National Forest, 0.1 miles S of junction of Forest Service Rds. 6Q01 and 7S01 1378 Comment
  UC618636  Agrostis alba W. B. Cooke 1938-9-17 11693 Siskiyou Mount Shasta , Horse Camp Comment
  CAS-BOT-BC126990  Agrostis exarata Melissa A. Berry 1957-7-4 s.n. Siskiyou Carter Meadow at junction of Long Gulch and Trail Gulch on South Fork of Salmon River. 1676 Comment
  UCD52402  Agrostis exarata E. Wilson 1934-7-1 s.n. Siskiyou Shasta Springs. Comment
  SEINET10790008  Agrostis exarata A. Arthur Heller 1915-7-18 Heller 12114 Siskiyou Metcalf's ranch, northeast base of Mt. Eddy, in moist open places in the forest. The original growth of Jeffrey pine has been succeeded by Douglas fir. 1250 Comment
  CAS-BOT-BC139563  Agrostis gigantea A. A. Heller 1920-8-12 13509 Siskiyou Metcalf's Ranch, northeast base of Mount Eddy. 1158 Comment
  CAS-BOT-BC139564  Agrostis gigantea David D. Keck 1949-7-19 6349 Siskiyou 2 miles south of Grenada, along R.R. right-of-way. 777 Comment
  JEPS84087  Agrostis idahoensis L. R. Heckard with S. D'Alcamo, J. Hickman, S. Winchester 1986-7-16 6340 Siskiyou ca 7 mi nne Seiad Valley (sw of Cook and Green Pass, ca 0.5 mi se of Red Butte) 1730 Comment
  CAS-BOT-BC138929  Agrostis pallens John Thomas Howell 1939-8-2 14943 Siskiyou Marble Mountains. Spirit Lake. 1828 Comment
  UC1265314  Agrostis pallens F. W. Oettinger and R. F. Thorne 1969-8-6 1230 Siskiyou face of steep cliff s Pine Lake; Salmon Mountains 1920 Comment
  UCD53259  Agrostis pallens R. Tofsrud 1948-8-1 s.n. Siskiyou Few mi. N. of Happy Camp. Comment
  UCD53524  Agrostis stolonifera P. B. Kennedy 1923-7-29 s.n. Siskiyou Sisson (Mount Shasta), by camp. Comment
  CAS-BOT-BC138479  Agrostis variabilis Wm. Bridge Cooke 1938-8-18 11487 Siskiyou Mount Shasta. Horse Camp Slopes. 2514 Comment
  CAS-BOT-BC462372  Allium amplectens Elizabeth McClintock; Wayne Roderick; Martha Roderick 1967-7-28 s.n. Siskiyou Gumboot Lake, Trinity Mts. 1828 Comment
  CAS-BOT-BC94409  Allium campanulatum R. C. Wenk 2005-7-15 213 Siskiyou Trinity Alps, above South Fork of the Salmon River, along the Yellow Rose Mine trail. Top of pass, going N along ridge 2133 Comment
  CAS-BOT-BC465426  Allium campanulatum Wm. Bridge Cooke 1939-7-7 13598 Siskiyou Along the Wagon Camp road just below Wagon Camp, Mount Shasta 1676 Comment
  HSC91449  Allium falcifolium Jennifer Whipple 1976-6-17 1017 Siskiyou N face of Mt. Eddy 2226 Comment
  UC1076030  Allium falcifolium Herbert L. Mason 1947-5-17 14764 Siskiyou on Scott Mountain road 5 mi s Callahan Comment
  UC796485  Allium falcifolium Roxana S. Ferris and Laura Lorraine Jun 12 1948-Jun 16 1948 11840 Siskiyou road between Callahan and Gazelle; Gazelle Mountain grade 1499 Comment
  HSC99606  Allium falcifolium Thomas W. Nelson, Jane P. Nelson 2004-6-20 9259 Siskiyou Along FS Rd. 40N08, 1 mi. from its junction with Hwy. 3 at Scott Mtn. Pass 1707 Comment
  CAS-BOT-BC132143  Allium siskiyouense Philip A. Munz 1952-7-2 17898 Siskiyou Baldy Mountain about 6 air-line miles west of Happy Camp, Siskiyou Mts. 1737 Comment
  CAS-BOT-BC132144  Allium siskiyouense Gilbert Muth 1966-7-14 390 Siskiyou Flat above Marble Valley, Marble Gap Trail, Marble Mts. 1828 Comment
  UC375196  Allium siskiyouense Geo. D. Butler 1909-5-3 791 Siskiyou hill near Yreka Comment
  UC722291  Allium siskiyouense C. L. Hitchcock, J. S. Martin 1939-7-9 5319 Siskiyou between King's Castle and Black Mts. (w side of ridge) 1828 Comment
  UC843494  Allium validum A. A. Heller 1915-8-26 12233 Siskiyou Mt. Eddy 1828 Comment
  HSC44608  Allium validum Laura Witherspoon 1977-7-30 Siskiyou Flint Valley 1341 Comment
  RSA126291  Allium validum I. L. Wiggins 1955-7-21 13440 Siskiyou Rush Creek Trail 2 mi. above Mt. View Ranch. 1098 Comment
  SEINET3562419 Image available Allotropa virgata James Montgomery 1969-7-24 80918 b Siskiyou Mount Shasta, Shasta National Forest. 1981 Comment
  SEINET205137  Alnus incana subsp. tenuifolia J. M. Tucker 1963-8-17 3739 Siskiyou Marble Mtn WA ; In vicinity of cabin lower Red Rock Valley 1494 Comment
  UC1313038  Alnus incana subsp. tenuifolia J. M. Tucker 1963-8-17 3739 Siskiyou lower Red Rock Valley Marble Mountain Wilderness Area (along draw in vicinity of cabin) 1493 Comment
  RSA11791  Alnus rhombifolia Elmer I. Applegate 1923-9-5 3936 Siskiyou Klamath River 12 miles below the Pacific Highway. Comment
  HSC29274  Alnus viridis subsp. sinuata Frederick W. Oettinger 1969-7-14 1012 Siskiyou High Lake Basins in the vicinity of English Peak, Marble Mountain Wilderness Area; along South of Charmaine lake 1921 Comment
  HSC42237  Alnus viridis subsp. sinuata R. J. Mastrogiuseppe, J. D. Mastrogiuseppe 1974-9-2 159 Siskiyou On both sides of Kidd Creek Comment
  HSC4967  Alnus viridis subsp. sinuata J. O. Sawyer 1968-7-10 489 Siskiyou Lower slopes grading to terrace of a temporary stream. 1768 Comment
  CHSC88411  Alopecurus aequalis Jenny Marr 1993-7-1 170 Siskiyou Butte Valley Wildlife Area, +/- 7 air miles NW of the town of MacDoel. Meadow NW of Meiss Lake. 1349 Comment
  UC1777717  Alyssum desertorum J. Di Tomaso 2002-5-17 Siskiyou 8 mi NE of Montague (York Rd, 3 m E of intersection with Mulloy Rd) Comment
  CHSC72221  Amaranthus blitoides Vernon H. Oswald; Lowell Ahart 1998-9-16 9642 Siskiyou Hwy. 161 at the Lower Klamath NWR 5.9 mi east of Hwy. 97. 1243 Comment
  HSC69124  Amelanchier alnifolia Maralyn A. Renner 1980-8-7 2384 Siskiyou Klamath National Forest, NW flank of Preston Peak, near summit 2180 Comment
  CAS-BOT-BC142875  Amelanchier alnifolia var. semiintegrifolia Alice Eastwood 1912-7-21 1270 Siskiyou Sisson Comment
  HSC101840  Amelanchier alnifolia var. semiintegrifolia J. P. Smith, J. O. Sawyer, R. J. Cole 2011-5-22 13177 Siskiyou Along the road from Cecilville to Forks of Salmon. 640 Comment
  HSC65271  Amelanchier pallida Rich White 1978-7-6 247 Siskiyou Pond above Elk Hole 1524 Comment
  RSA237656  Amelanchier pallida Frederick W. Oettinger 1968-8-2 361 Siskiyou South end of Diamond Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2073 Comment
  RSA47620  Amelanchier pallida Roxana S. Ferris 1948-6-12 11844 Siskiyou Gazelle Mtn grade, road betw Callahan and Gazelle. 1500 Comment
  RSA237662  Amelanchier pumila Frederick W. Oettinger 1967-7-22 179 Siskiyou E facing massive granite slope just SSE of Diamond Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2073 Comment
  CAS-BOT-BC136897  Amelanchier utahensis L. E. Smith 1913-7-27 s.n. Siskiyou McCloud Comment
  POM72147  Amsinckia intermedia Geo. D. Butler 1910-5-3 1296 Siskiyou Yreka Comment
  RSA68954  Anaphalis margaritacea A. E. Culbertson 1943-7-17 4 Siskiyou Near Forest Service Camp Grd. about a mile downstream from Castle Lake on road to town of Shasta; on north slope of a 6600' eastern spur of Trinity Mts. and 1500' above Sacramento R., Within 9 air miles of its headwaters to the west. Mt. Shasta 13 miles to NE. 1524 Comment
  POM36272  Ancistrocarphus filagineus Geo. D. Butler 1910-4-27 1244 Siskiyou Dry trodden places, Oro Fino Comment
  JEPS20045  Androsace elongata subsp. acuta George D. Butler 1909-3-7 579 Siskiyou near Yreka (Butcher Hill); Butcher Hill Comment
  HSC4931  Anemone deltoidea J. O. Sawyer 1968-7-10 483 Siskiyou Floodplain of Sugar Creek near Sugar Lake. 1799 Comment
  HSC65508  Anemone deltoidea Rich White 1977-7-21 129 Siskiyou Slope below outlet of Raspberry Lake 1512 Comment
  HSC68434  Anemone deltoidea Maralyn A. Renner 1980-7-5 1500 Siskiyou Doe Flat 1220 Comment
  JEPS25621  Anemone deltoidea Rimo Bacigalupi with Mr. and Mrs. Van Deventer 1959-7-9 7254 Siskiyou Poker Flat 1536 Comment
  UC8882  Anemone deltoidea Harley P. Chandler Jun 1901 1554 Siskiyou near Marble Mtn (ridges and meadows); North Coast Ranges 1828 Comment
  HSC69438  Anemone deltoidea John Palmer 1980-8-13 797 Siskiyou Dead Cow Creek near USFS Rd. 47N44, Beaver Creek Rd. 1616 Comment
  HSC27343  Anemone drummondii J. P. Smith, J. O. Sawyer, Maralyn O'Meara 1972-7-3 5702 Siskiyou E slope of Kangaroo Mtn., above Toehead Lake. 1890 Comment
  CAS-BOT-BC391933  Anemone lyallii Harley P. Chandler 1901-6-1 1551 Siskiyou North Coast Ranges. Near Marble Mountain 1828 Comment
  RSA215610  Anemone multifida Gilbert Muth 1969-8-10 1315 Siskiyou Ridge W of Boulder Peak. 2287 Comment
  HSC18016  Anemone occidentalis Geo. D. Butler 1909-7-15 900 Siskiyou Highland Mine near head of Taylor Creek Comment
  JEPS19763  Angelica tomentosa Rimo Bacigalupi with S. Galen Smith 1957-6-26 5941 Siskiyou about 11 mi sw of town of Mount Shasta (between White Ridge and Scott Camp Ridge, along road to Gumboot Lake, in Canyon of South Fork Sacramento River); South Fork Sacramento River 1219 Comment
  RSA211191  Angelica tomentosa var. tomentosa William J. Ferlatte 1966-8-3 244 Siskiyou Trinity Alps: Big Flat, wooded area near public camp. 1524 Comment
  HSC42908  Antennaria argentea J. O. Sawyer, Ken Stillman 1976-5-28 2725 Siskiyou Along Rd. W of Sawyers Bar. 610 Comment
  CAS-BOT-BC59289  Antennaria argentea J. H. Thomas 1954-5-13 4160 Siskiyou Salmon Mountains, Klamath Nation Forest 1127 Comment
  UC165969  Antennaria dimorpha Geo. D. Butler 1909-4-4 573 Siskiyou near, dry hillside Yreka Comment
  CAS-BOT-BC59159  Antennaria dimorpha S. B. Shaw 1912-4-5 s.n. Siskiyou Near Sisson. Shasta Forest Reserve Comment
  CAS-BOT-BC58716  Antennaria geyeri A. A. Heller 1938-7-12 15245 Siskiyou Five miles north of Weed along Highway 97 Comment
  OBI55455  Antennaria howellii subsp. howellii David J. Keil, Kathleen Keil 1992-7-21 23549 Siskiyou Klamath natl forest SE of Callahan. forest Rd 40N08, 4.2 mi W of Scott Mtn rd (hwy 3) Comment
  HSC68151  Antennaria microphylla Steve Selva, J. P. Smith 1970-6-15 3969 Siskiyou 20 mi. E of Cecilville on the road to Callahan 1646 Comment
  HSC61191  Antennaria racemosa Al Hobart 1967-8-8 Siskiyou El Capitan Comment
  UC88401  Antennaria rosea Harley P. Chandler 1901-6-1 1656 Siskiyou Marble Mountain North Coast Ranges, Marble Mountain 2438 Comment
  HSC29213  Antennaria rosea subsp. rosea Frederick W. Oettinger 1969-7-13 1003 Siskiyou High Lake Basins near English Peak, Marble Mountain Wilderness Area; N of Upper English Lake 1776 Comment
  JEPS82113  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
  JEPS80555  Apocynum androsaemifolium Gilbert Muth 1965-8-6 191 Siskiyou trail backside of Black Mt.; Marble Mt. Wilderness Area, Black Mt. 1920 Comment
  UC455929  Apocynum androsaemifolium I. J. Condit 1911-7-14 Siskiyou Shasta Retreat Comment
  UCD77342  Apocynum androsaemifolium Robert E. Preston 2001-8-26 1765 Siskiyou Klamath National Forest, north slope of Rainbow Mountain, Hemlock Lake. 1883 Comment
  HSC2399  Apocynum androsaemifolium William J. Ferlatte 1966-8-18 408 Siskiyou 3 mi. S of Big Flat 1585 Comment
  HSC3211  Apocynum androsaemifolium Geo. D. Butler 1908-9-6 78 Siskiyou Butler Ranch, near Yreka. Comment
  CAS-BOT-BC397941  Aquilegia formosa Doris K. Kildale 1929-7-20 8541 Siskiyou Trail to Preston Peak along S Fork Indian Creek 2133 Comment
  UC1034609  Aquilegia formosa Douglas Barbe 1955-6-29 34 Siskiyou 1.8 mi e Callahan (south bank of Scott River); Klamath Mountains 975 Comment
  SBBG2098  Aquilegia formosa H. and M. Dearing 1939-7-2 3806 Siskiyou near Salmon 1524 Comment
  HSC22425  Aquilegia formosa var. formosa J. O. Sawyer 1969-7-16 1153 Siskiyou W of Waterdog Lake 2073 Comment
  RSA12588  Aquilegia formosa var. truncata Carl B. Wolf 1934-7-6 5998 Siskiyou 4.7 miles from Mt. Shasta City on Wagon Camp Road, SW slope of Mt. Shasta 1220 Comment
  POM366963  Aquilegia formosa var. truncata M. B. Dunkle 1944-7-15 9101 Siskiyou Siskiyou National Forest. Comment
  RSA0126148  Arabis divaricarpa Frederick W. Oettinger 1969-7-11 974 Siskiyou Bank of Hancock Lake. Salmon Mtns. High Lake Basins in the vicinity of English Peak. Marble Mtn Wilderness Area. 1936 Comment
  RSA77996  Arabis holboellii var. pinetorum Verne Grant, Alva Grant 1947-6-5 7972 Siskiyou Modoc Lava Beds Comment
  HSC40067  Arabis oregana J. P. Smith 1973-5-5 6497 Siskiyou Along Cook and Green Pass Rd. Comment
  HSC22083  Arabis platysperma J. O. Sawyer 1969-7-11 1325 Siskiyou E facing slope above S Sugar Creek 1890 Comment
  HSC35792  Arabis platysperma var. howellii J. O. Sawyer 1969-8-4 835 Siskiyou Slopes S of S Sugar Lake 2134 Comment
  JEPS104823  Arabis subpinnatifida Dean W. Taylor 1996-5-29 15642 Siskiyou upper Noyes Valley; along Noyes Valley Creek (ca. 20 air miles SW of Yreka) 1371 Comment
  UCD128227  Aralia californica J. P. Smith; Steve Selva 1970-6-14 3887 Siskiyou 1 miles east of Steinacher Creek Road on road to Forks of Salmon. Comment
  SEINET2471228  Arceuthobium abietinum R. L. Mathiasen 2008-9-16 2008 -30 Siskiyou Ca. 4.8 km E. of Etna Summit on road to Sawyers Bar 1630 Comment
  CHSC75764  Arceuthobium campylopodum Vernon H. Oswald; Lowell Ahart 1999-7-5 9816 Siskiyou Hwy. 3 4.0 mi southeast of Gazelle-Callahan Hwy. 1365 Comment
  JEPS40132  Arceuthobium campylopodum W. L. Jepson July 1894 Siskiyou Sisson Comment
  HSC96174  Arceuthobium campylopodum R. L. Mathiasen 2005-3-12 532 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
  UC1034036  Arceuthobium cyanocarpum WBC 1941-8-21 16212 Siskiyou nw side of Shastina Mount Shasta 2438 Comment
  CAS-BOT-BC39006  Arctostaphylos klamathensis Roger Raiche 1982-10-13 20804 Siskiyou On rocky north-facing bluff above uppermost lake above Terrace Lake. 1981 Comment
  UCD51974  Arctostaphylos manzanita Warren Roberts 1967-9-25 Siskiyou Near Somes Bar. Comment
  CHSC9492  Arctostaphylos nevadensis J. F. Goodwin 1971-7-3 130 Siskiyou 2.6 mi. south of Mt. Shasta Ski Bowl area on Everitt Mem. Hwy. 2103 Comment
  HSC742  Arctostaphylos nevadensis William J. Ferlatte 1967-7-8 669 Siskiyou Near Le Roy Mine 2073 Comment
  CAS-BOT-BC45413  Arctostaphylos nevadensis subsp. knightii Lester Rowntree 1934-5-11 s.n. Siskiyou Happy Camp Road, near Oregon State line. Comment
  CAS-BOT-BC46463  Arctostaphylos patula Mrs. H. C. Cantelow 1936-5-21 s.n. Siskiyou N. slope of Scott Mts. Comment
  HSC36958  Arctostaphylos patula J. P. Smith 1974-5-26 7570 Siskiyou Along FS Rd. 47N03 1524 Comment
Read comments
Feb 26 2013
  RSA381106  Arctostaphylos patula Chas. H. Lamoureux, Lalit Srivastava, Roman Gankin 1957-11-4 260 Siskiyou US hw 199, east side of hwy, approximately 2 miles n. of Weed. Comment
  SBBG83943  Arctostaphylos patula R. Gankin, L Srivastara, C. Lamoreux 1957-11-4 260 Siskiyou US Hwy 199, E side of hwy, approx.2 mi N of Weed. Comment
  UC618622  Arctostaphylos patula W. Bridge Cooke 1938-6-17 11016 Siskiyou Sisson Southern Trail Mount Shasta Comment
  UC674758  Arctostaphylos patula C. Hart Merriam and V. B. 1899-10-6 Siskiyou Sisson Comment
  UCD53417  Arctostaphylos patula Robert E. Preston 2001-6-23 1564 Siskiyou Klamath National Forest; north slope of Rainbow Mtn. at Hemlock Lake. 1889 Comment
  HSC67138  Arctostaphylos viscida J. P. Smith 1973-5-5 6482 Siskiyou Along Cook and Green Pass Rd. Comment
  CAS-BOT-BC46957  Arctostaphylos viscida subsp. viscida Doris K. Kildale 1929-5-11 7711 Siskiyou Cecilville, upper s. Fork of Salmon River. Comment
  HSC60849  Arenaria serpyllifolia Ruby Van Deventer 1960-7-7 Siskiyou Bell Echo Camp in Youngs Valley Comment
  UCD37073  Aristida oligantha Beecher Crampton 1956-8-20 3798 Siskiyou Siskiyou County, 0.5 mile south Dunsmuir, along U.S. Highway 99. 701 Comment
  UC711894  Arnica chamissonis Roxana S. Ferris and Laura Lorraine 1941-8-11 10499 Siskiyou U. S. Highway 97 Grass Lake Station 1554 Comment
  CAS-BOT-BC82250  Arnica chamissonis A. A. Heller 1938-7-13 15270 Siskiyou about a mile south of Bray Comment
  HSC2413  Arnica cordifolia William J. Ferlatte 1966-8-5 338 Siskiyou Caribou Mtn. 2470 Comment
  CAS-BOT-BC295873  Arnica dealbata A. A. Heller 1922-7-15 13692 Siskiyou Unspecified 2133 Comment
  CAS-BOT-BC295874  Arnica dealbata J. O. Sawyer; R. J. Cole 1980-7-21 3823 Siskiyou .2 miles east of Medicine Lake Ranger Station; west end of Medicine Lake Comment
  CAS-BOT-BC82557  Arnica discoidea Arthur Menzies 1962-7-21 s.n. Siskiyou Morgan Meadows, base of Mt. Eddy 1706 Comment
  HSC22127  Arnica discoidea J. O. Sawyer 1969-7-23 1164 Siskiyou Near Horse Range Creek. 1341 Comment
  RSA758221  Arnica discoidea R. F. Thorne 1969-8-2 63326 Siskiyou Klamath National Forest, Salmon Mountains, Marble Mountain Wilderness Area, high lake basins in the vicinity of English Peak Comment
  HSC610  Arnica latifolia William J. Ferlatte 1967-7-26 765 Siskiyou NW side of Caribou Mtn.; near Browns Meadow 1829 Comment
  UCD77357  Arnica longifolia Robert E. Preston 2002-7-13 1922 Siskiyou Klamath National Forest, Trout Creek Meadow 1505 Comment
  HSC22153  Arnica mollis J. O. Sawyer 1969-8-4 1920 Siskiyou South Sugar Creek 2043 Comment
  UC1408807  Arnica mollis Robert F. Thorne and Fred Oettinger 1969-8-10 38974 Siskiyou dryer portion of meadows, along small creek in forest Panther Creek Meadows; Mt. Shasta National Forest, Mt. Shasta, Panther Creek Meadow 2194 Comment
  UC1408812  Arnica nevadensis Frederick W. Oettinger 1969-7-28 1082 Siskiyou nw above Upper English Peak; Marble Mountain Wilderness Area, Salmon Mountains 2011 Comment
  RSA237477  Arnica nevadensis Frederick W. Oettinger 1967-7-20 177 Siskiyou SSE of Diamond Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2073 Comment
  CAS-BOT-BC85064  Arnica parryi Gilbert Muth 1966-7-31 476 Siskiyou Damp rocky areas, north side of Black Mountain, Marble Mts. 2057 Comment
  UC1483477  Arnica viscosa Maralyn A. Renner 1980-9-1 2697 Siskiyou Devil's Punchbowl Preston Peak Quad., Klamath National Forest 1828 Comment
  UC618863  Arnica viscosa W. Bridge Cooke 1938-8-18 11501 Siskiyou some distance above, on sw slope of Mt. Shasta Horse Camp; Mt. Shasta 2529 Comment
  UCD56024  Arrhenatherum elatius S. D. Nelson 1947-5-24 s.n. Siskiyou Scott Valley. Comment
  CAS-BOT-BC84978  Artemisia arbuscula subsp. arbuscula John Thomas Howell 1939-8-8 15167 Siskiyou Marble Mts., Black Mt. Comment
  CHSC72223  Artemisia biennis Vernon H. Oswald; Lowell Ahart 1998-9-16 9648 Siskiyou Tour Route at Lower Klamath NWR 3 mi south of Hwy. 161. 1243 Comment
  RSA291579  Artemisia biennis R. Pederson, G. Pederson 1979-9-26 113 Siskiyou Lower Klamath National Wildlife Refuge. 1238 Comment
  RSA186317  Artemisia campestris subsp. borealis Gilbert Muth 1966-7-22 186317 Siskiyou Marble Rim, Marble Mountains 2195 Comment
  RSA261515  Artemisia campestris subsp. borealis J. M. Tucker, L. K. Mann, Sandra Holloway 1963-8-18 3750 Siskiyou SW ridge of Black Mtn (Black Marble Mtn); Marble Mtn Wilderness Areas. 2134 Comment
  JEPS93949  Artemisia cana subsp. bolanderi Vernon H. Oswald and Lowell Ahart 1998-9-16 9628 Siskiyou 5 mi n of Macdoel (Butte Valley National Grassland near the junction of Meiss Lake-Sams Neck Road and Hwy 97); Butte Valley National Grassland 1295 Comment
  OBI53772  Artemisia douglasiana David J. Keil 1992-7-20 23482 Siskiyou 10.3 mi W of Fort Jones along Scott River rd; above Scott river 900 Comment
  HSC2271  Artemisia dracunculus Geo. D. Butler 1910-9-16 1878 Siskiyou Comment
  JEPS74562  Artemisia norvegica subsp. saxatilis W. J. Ferlatte 1966-8-5 342 Siskiyou Caribou Mountain Trinity Alps 2468 Comment
  CAS-BOT-BC97418  Artemisia tridentata subsp. tridentata George H. Ward; Ann Ward 1949-7-14 828 Siskiyou ca. 15 mi. NE of Weed Comment
  CAS-BOT-BC447716  Aruncus dioicus var. vulgaris Doris K. Kildale 1928-8-18 6425 Siskiyou North Fork Salmon River at Finley Camp Comment
  RSA96622  Aruncus sylvester Percy C. Everett, E. K. Balls 1954-10-13 20280 Siskiyou Seiad Creek, road to Kangaroo Mt, 6.5 miles NE from Hwy 96. 701 Comment
  CAS-BOT-BC400700  Asarum hartwegii A. A. Heller 1905-6-5 7989 Siskiyou Plateau above Shasta Springs Comment
  JEPS5088  Asclepias cordifolia W. L. Jepson 1940-7-1 20075 Siskiyou 6 mi e McCloud River (Fowlers Camp) 944 Comment
  SEINET10580339  Asclepias cordifolia H. E. Brown 1897-6-11 Brown 371 Siskiyou Mt. Shasta, N side 1524 Comment
  SEINET10580356  Asclepias cordifolia F. Marion Ownbey, Fred G. Meyer 1940-7-6 Ownbey 2202 Siskiyou Marble Mountain, Cayene Ridge, S slopes Comment
  SDSU2732  Asclepias speciosa D. F. Howe 1979-6-26 5112 Siskiyou 0.3 mile south of #3 on Little Shasta road near Yreka. Comment
  CAS-BOT-BC69597  Aspidotis densa L. B. Kildale 1930-6-1 9848 Siskiyou Mill Creek near Etna Mills. Comment
  RSA96711  Aster chilensis Percy C. Everett, E. K. Balls 1954-10-14 20296 Siskiyou Hwy 96, along Klamath River, 1.8 miles north of Somesbar 213 Comment
  RSA238706  Aster foliaceus var. parryi Frederick W. Oettinger 1968-8-3 375 Siskiyou Between Diamond Lake and Hancock Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2012 Comment
  RSA44885  Aster ledophyllus J. C. Roos 1948-9-1 3949 Siskiyou Pass southwest of Etna Comment
  CAS-BOT-BC290611  Asteraceae Peter Rubtzoff 1978-6-26 9219 Siskiyou South margin of Grass Lake near Hwy. 97. Comment
  HSC14547  Astragalus californicus Dorothy Parker 1948-6-14 Siskiyou Rail Creek, Plowman's Valley, E fork of Scott River drainage. 1204 Comment
  RSA0006720  Astragalus californicus R. C. Barneby 1954-5-15 11499 Siskiyou open volcanic hillside among rabbit brush, NE of Weed. 1387 Comment
  RSA109721  Astragalus californicus R. C. Barneby 1954-5-15 11499 Siskiyou open volcanic hillside among rabbit brush, NE of Weed. 1387 Comment
  RSA109723  Astragalus californicus H. D. Ripley, R. C. Barneby, F. C. Ripley Jr. 1948-7-5 9633 Siskiyou 2 miles SW of Yreka. Alt. 2800 ft. Comment
  JEPS94893  Astragalus curvicarpus var. curvicarpus Vernon H. Oswald and Lowell Ahart 1998-6-11 9183 Siskiyou ne of Weed (Shasta National Forest plantation on w side of Highway 97 2.2 mi ne of Lake Shastina-Big Springs Road); Shasta National Forest, Highway 97 1066 Comment
  UC1096785  Astragalus filipes Milo S. Baker 1957-6-16 13150 Siskiyou trip to Scott Mt. ca 5-6 mi from Turn Off near Callahan; near Callahan Comment
  UC195172  Astragalus lentiginosus var. lentiginosus Annie M. Alexander and Louise Kellogg 1911-6-4 105 Siskiyou Mayten Comment
  CDA26703  Astragalus lentiginosus var. salinus T. C. Fuller 1962-6-12 8966 Siskiyou Davis Road to Medicine Lake, Little Oklahoma district, ca. 15 miles east of Dorris. 0 Comment
  RSA90176  Astragalus lentiginosus var. salinus F. W. Peirson 1923-7-19 3602 Siskiyou From Lairds Landing to Bray. Comment
  CAS-BOT-BC194435  Astragalus obscurus Alice Eastwood; John Thomas Howell 1934-4-20 1786 Siskiyou 4 miles n. of Weed Comment
  CAS-BOT-BC193066  Astragalus purshii var. tinctus Geo. D. Butler 1909-5-8 708 Siskiyou Near Yreka Comment
  CAS-BOT-BC516178  Astragalus purshii var. tinctus Dana York 2011-8-13 3069 Siskiyou Marble Mountain Wilderness: Klamath National Forest, 230 m WSW of Black Marble Mountain 2220 Comment
  UC1090388  Astragalus purshii var. tinctus Milo S. Baker 1957-6-16 13168 Siskiyou trip to Scott Mt. after turn off near Callahan; near Callahan Comment
  UC54368  Astragalus purshii var. tinctus H. M. Hall and E. B. Babcock June, 1903 4083 Siskiyou Shasta Valley Sierra Nevada Mountains, Mount Shasta, Shasta Valley 1158 Comment
  SEINET5326786  Astragalus purshii var. tinctus G. Butler 1910-5-5 1283 Siskiyou Humbug Mtn. Comment
  UC862792  Astragalus whitneyi L. E. Smith 1913-7-2 Siskiyou Rainbow Comment
  RSA516373  Astragalus whitneyi var. siskiyouensis Barbara J. Ertter 1985-5-30 5758 Siskiyou 2.6 mi N of Scott Mt Summit on Hwy 3 SE of Callahan. 1402 Comment
  HSC27968  Asyneuma prenanthoides Carl W. Mize 1972-8-17 103 Siskiyou S of Gates Creek 488 Comment
  RSA597968  Athyrium americanum L. C. Wheeler 1963-8-31 8318 Siskiyou Siskiyou Mountains, Devils Punch Bowl. 1433 Comment
  JEPS97805  Athyrium distentifolium R. Raiche and S. Winchester 1988-7-24 80265 Siskiyou above Upper Cliff lake; S Fork Sacramento R., Cedar Lake area Comment
  HSC23666  Athyrium distentifolium var. americanum J. O. Sawyer 1969-7-24 1474 Siskiyou Head of Sugar Cr. 1860 Comment
  HSC29368  Athyrium distentifolium var. americanum Frederick W. Oettinger 1969-8-22 1489 Siskiyou SE bank of Horse Range Lake 1829 Comment
  HSC973  Athyrium distentifolium var. americanum Dorothy Parker 1949-7-10 332 Siskiyou Green Meadow near Paradise Lake, Salmon Mtn. 1982 Comment
  CAS-BOT-BC66020  Athyrium filix-femina var. cyclosorum Copeland 1903-9-5 3848 Siskiyou Mt. Eddy Comment
  CAS-BOT-BC66189  Athyrium filix-femina var. cyclosorum A. A. Heller 1915-8-26 12234 Siskiyou Mt. Eddy 1828 Comment
  RSA482804  Athysanus pusillus L. C. Wheeler 1934-6-9 2675 Siskiyou Hungry Creek, Siskiyou Mts. Mt. Diablo Meridian. 1098 Comment
  UC1733687  Athysanus pusillus Kay H. Beach, Frank Gould 1940-5-16 635 A Siskiyou in mixed coniferous forest. Summit of Bald Mountain grade about 11 miles west of Mt. Hebron. Comment
  CDA2952  Atriplex heterosperma R. Pederson, G. Pederson 1979-9-26 111 Siskiyou Lower Klamath National Wildlife Refuge. Comment
  HSC4340  Atriplex prostrata L. C. Wheeler 1934-10-21 3331 Siskiyou Shasta Valley 4 mi. E of Grenada 869 Comment
  CDA10483  Balsamorhiza deltoidea T. C. Fuller 1958-4-16 4752 Siskiyou Giebner property, 4 miles south of Yreka. 0 Comment
  HSC36816  Balsamorhiza deltoidea J. P. Smith 1974-5-27 7617 Siskiyou Along FS Rd. 47N03 1280 Comment
  CAS-BOT-BC100056  Balsamorhiza lanata Geo. D. Butler 1910-4-9 1157 Siskiyou hill near Yreka Comment
  UC909370  Balsamorhiza sericea Ira L. Wiggins 1950-5-28 12386 Siskiyou serpentine ridge just above Grouse Lake (headwaters of Grouse Creek); Grouse Creek 1737 Comment
  JEPS47772  Berberis aquifolium Geo. D. Butler 1908-7-9 541 Siskiyou near Yreka (McNutty's field) Comment
  CDA11583  Berberis aquifolium var. aquifolium G. F. Hrusa 1995-7-1 12429 Siskiyou Siskiyou Mountains; Along Indian Creek, approx. 10 miles N of Happy Camp. Comment
  HSC22118  Berberis aquifolium var. aquifolium J. O. Sawyer 1969-6-11 809 Siskiyou Next to C.C.C. road near the N fork of Horse Range Creek. 1326 Comment
  UCD95066  Berberis aquifolium var. aquifolium Sandra L. Holloway 1963-5-19 55 Siskiyou 2 miles E of forks of Big Humbug Creek, W of Hawkinsville. 1066 Comment
  CAS-BOT-BC75717  Berberis nervosa J. H. Thomas 1954-5-13 4133 Siskiyou Salmon Mountains. Klamath National Forest. Near South Fork of Salmon River, 5 to 9 miles southeast of Cecilville. 1066 Comment
  CAS-BOT-BC75724  Berberis nervosa Doris K. Kildale 1928-7-2 5363 Siskiyou Horn Creek trail up Salmon Summit. Comment
  CAS-BOT-BC75922  Berberis piperiana Doris K. Kildale 1929-5-1 7841 Siskiyou Callahan. Comment
  UC1045287  Betula occidentalis W. Bridge Cooke 1940-7-12 15328 Siskiyou swamp near Mt. Shasta High School Comment
  CAS-BOT-BC413077  Bistorta bistortoides H. A. Thomas; J. H. Thomas 1954-7-24 4496 Siskiyou Salmon - Trinity Mts. Vicinity of Rush Lake and Rush Creek Meadow. About 9 miles E of Cecilville 1981 Comment
  CHSC71595  Bistorta bistortoides Vernon H. Oswald; Lowell Ahart 1998-8-3 9436 Siskiyou Near the Pacific Crest Trail in the Scott Mtns. west of Kangaroo Lake. 1981 Comment
  UCD77955  Bistorta bistortoides Robert E. Preston 2003-7-31 2176 Siskiyou Rainbow Mountain, at base of N slope, in upper Antelope Creek Meadow. 1661 Comment
  CAS-BOT-BC127943  Blepharipappus scaber W. R. Dudley 1899-8-22 s.n. Siskiyou Slopes of Craggy Mt. Comment
  CAS-BOT-BC127944  Blepharipappus scaber Dorothy Parker 1948-5-16 s.n. Siskiyou east side of Scott Valley 914 Comment
  HSC72367  Blepharipappus scaber J. P. Smith, J. O. Sawyer, Jane Sawyer, Kevin Sawyer 1976-9-5 8975 Siskiyou Hwy. 3, 4 mi. N of Siskyou-Trinity Co. line Comment
  CAS-BOT-BC127938  Blepharipappus scaber Brandegee s.n. Siskiyou Along trail from Big Flat to Yellow Rose Mine 1828 Comment
  POM351061  Blepharipappus scaber L. C. Wheeler 1935-6-9 3553 Siskiyou Yreka Creek, Siskiyou Mountains. 1220 Comment
  CAS-BOT-BC15792  Boechera acutina John Thomas Howell 1939-8-2 14945 Siskiyou Marble Mountains. Spirit Lake. 1828 Comment
  JEPS77451  Boechera breweri W. J. Ferlatte 1974-7-25 1586 Siskiyou 100 yds n Dorleska Summit (Grouse Ridge on Trinity Co. line); Trinity Alps, Grouse Ridge 2103 Comment
  SEINET193231  Boechera breweri Lincoln Constance, Reed C. Rollins 1942-5-14 2930 Siskiyou Shasta River 6 miles north of Yreka. 762 Comment
  UC166051  Boechera breweri Geo. D. Butler 1909-5-14 726 Siskiyou Klamath River Comment
  CAS-BOT-BC16026  Boechera breweri subsp. breweri John Thomas Howell 1937-7-26 13540 Siskiyou Caribou Mountain. 2438 Comment
  CAS-BOT-BC16047  Boechera breweri subsp. shastaensis John Thomas Howell 1937-7-22 13265 Siskiyou South Fork of Salmon River near Big Flat. 1524 Comment
  UC1409497  Boechera lyallii Frederick W. Oettinger 1968-8-4 390 a Siskiyou trail just n Crapo Peak Ridge (vicinity of English Peak, w Siskiyou County); Salmon Mountains, Marble Mountain Wilderness Area, English P 2194 Comment
  CAS-BOT-BC14273  Boechera pinetorum John Thomas Howell 1939-8-2 14913 Siskiyou Spirit Lake, Marble Mountains. 1828 Comment
  CAS-BOT-BC25420  Boechera retrofracta Doris K. Kildale 1929-4-27 7855 Siskiyou Upper South Fork of Salmon River. Cecilville. Comment
  UC165988  Boechera sparsiflora Geo. D. Butler 1910-5-5 1282 Siskiyou Humbug Mountain Comment
  UC166605  Boechera stricta Geo. D. Butler 1910-7-8 1664 Siskiyou Log Lake Shackleford Creek 1219 Comment
  CAS-BOT-BC25918  Boechera suffrutescens John Thomas Howell 1939-8-1 15178 Siskiyou Marble Mountains. Black Mountain. Comment
  POM32013  Boisduvalia densiflora E. B. Copeland 1903-7-7 3543 Siskiyou Hornbrook. Comment
  POM46111  Boisduvalia densiflora var. densiflora Geo. D. Butler 1910-6-29 1614 Siskiyou Yreka Creek Comment
  RSA43885  Boisduvalia densiflora var. densiflora H. M. Pollard 1948-8-11 s.n. Siskiyou Irving Creek, near Somes Bar. Comment
  CAS-BOT-BC418459  Boykinia major Edna Kelsey 1961-8-1 s.n. Siskiyou Marble Mts. Comment
  HSC64835  Boykinia occidentalis J. P. Smith, Steve Selva 1970-6-15 3914 Siskiyou 10 mi. NW of Forks of Salmon Comment
  CAS-BOT-BC418420  Boykinia occidentalis Doris K. Kildale 1928-8-1 6188 Siskiyou 1/2 miles north of Brookings Comment
  HSC77495  Boykinia occidentalis L. P. Janeway 1983-6-25 338 Siskiyou Bluff above Klamath River, E side, near Independence Creek Bridge 274 Comment
  UC375292  Brassica rapa Geo. D. Butler 1908-7-14 1048 Siskiyou fields near Yreka Comment
  CAS-BOT-BC100469  Brickellia californica Louis C. Wheeler 1934-9-15 3264 Siskiyou Walker, Klamath River, Siskiyou Mts. 518 Comment
  CDA30921  Brickellia californica M. Beyers, G. F. Hrusa 2010-8-18 700 Siskiyou Highway 96; Sluice Box Klamath River Access. 556 Comment
  UC894186  Brickellia grandiflora Alice Eastwood 1912-7-26 1459 Siskiyou Pitt to Kennet Sisson Comment
  SEINET10879263  Brickellia greenei Andrew Townesmith, Karen M. Meyer 2007-7-28 Townesmith 862 Siskiyou Shasta-Trinity National Forest. Along Forest Service route 26, 4.1 miles west of forest boundary. T39N R5W S10. 1277 Comment
  SEINET10570676  Brodiaea A. Arthur Heller 1919-6-25 Heller 13265 Siskiyou Compton's parairie, north base of Mt. Eddy in the yellow pine belt, 3800 feet. An almost treeless grassy area, well watered by the small streams forming the Shasta River. Comment
  UC337864  Brodiaea elegans subsp. elegans unknown 1889-7-26 Siskiyou Edgwood Comment
  UC204769  Bromus carinatus var. carinatus Geo. D. Butler 1909-6-2 814 Siskiyou near Yreka Comment
  CAS-BOT-BC148795  Bromus carinatus var. marginatus G. P. Rixford s.n. Siskiyou South side of Shaft-Rock Mountain Hilt. Comment
  CAS-BOT-BC155962  Bromus commutatus Louis C. Wheeler 1934-6-22 2748 Siskiyou Klamath National Forest. Cottonwood Creek. 914 Comment
  JEPS69188  Bromus hordeaceus Geo. D. Butler 1909-5-26 819 Siskiyou field near Yreka Comment
  UC70747  Bromus laevipes T. H. Gilbert Jun 15 1899-Jul 15 1899 Siskiyou Scott River Valley Comment
  UCD58952  Bromus laevipes Robert E. Preston 2001-6-23 1620 Siskiyou Rainbow Mountain and Vicinity. Klamath National Forest. N-facing slope of Rainbow Mtn. 1706 Comment
  RSA211238  Bromus marginatus William J. Ferlatte 1966-6-23 138 Siskiyou along the Yellow Rose Mine Trail. 1677 Comment
  SACT001009  Bromus rubens Geo Butler 1910-5-4 Siskiyou Collected on a dry hill. Comment
  HSC26633  Bromus tectorum J. P. Smith, Steve Selva 1970-6-16 4013 Siskiyou 4 mi. from Hwy. 3 on Rd. 8 to Sugar Creek 1159 Comment
  JEPS69222  Bromus tectorum George D. Butler 1909-8-16 860 Siskiyou near Yreka Comment
  UC70736  Bromus tectorum T. H. Gilbert Jun 15 1899-Jul 15 1899 Siskiyou Scott River Valley Comment
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Jul 21 2015
  HSC92322  Calamagrostis breweri Jennifer Whipple 1976-9-3 1779 Siskiyou W facing slope of ridge between Durney Lake and Little Crater Lake 2409 Comment
  CAS-BOT-BC185261  Calamagrostis koelerioides Doris K. Kildale 1929-7-21 8763 Siskiyou South Fork of Indian Creek. Elk Lick. 1219 Comment
  HSC68462  Calamagrostis nutkaensis Maralyn A. Renner 1980-7-4 1459 Siskiyou Clear Creek Trail, N of Trout Camp 1037 Comment
  JEPS19745  Callitriche Rimo Bacigalupi with S. Galen Smith 1957-6-27 5976 Siskiyou 20 mi ne of Weed (at margins of marsh of Grass Lake, on route between Weed and Klamath Falls); Grass Lake 1544 Comment
  UC1409232  Callitriche verna Frederick W. Oettinger 1969-8-15 1388 Siskiyou inlet meadowto Upper English Lake (vicinity of English Peak, w Siskiyou County); Salmon Mountains, Marble Mountain Wilderness Area 1767 Comment
  CAS-BOT-BC85774  Calocedrus decurrens David D. Keck 1949-7-20 6371 Siskiyou 3 miles N.E. of Ft. Jones on westerly slope of mountians. Comment
  HSC36735  Calocedrus decurrens Brent Whitely 1975-6-21 13 Siskiyou 223 Comment
  JEPS24784  Calocedrus decurrens Rimo Bacigalupi with Drs. Reino & Aloha Alava 1958-9-1 6792 Siskiyou below and sw Mt. Shasta town (Sisson) (along South Fork of Sacramento River, between debouchements of Wagon and Scott Camp Creeks); Sacramento River 944 Comment
  NY18935  Calocedrus decurrens E. B. Copeland 1903-8-13 3913 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
  CHSC9501  Calochortus coeruleus J. F. Goodwin 1971-7-3 147 Siskiyou Southeast of Castle Lake, 0.1 mi south on Lookout Trail on east side of trail; 9.2 mi. sw of Mt. Shasta City. 1676 Comment
  JEPS17831  Calochortus coeruleus Joseph P. Tracy 1935-4-4 14524 Siskiyou 5 mi e Mary Blaine Mt. (Snow Prairie at summit of ridge, extreme head of Plummer Creek); Snow Prairie, Plummer Creek 1859 Comment
  RSA369081  Calochortus coeruleus Christopher Davidson 1975-6-5 2679 Siskiyou 6 miles ESE of Callahan on Hwy 3 (= 4 miles SE of Scott River Bridge). 1349 Comment
  RSA60629  Calochortus coeruleus I. L. Wiggins 1950-5-28 12383 Siskiyou Serpentine ridge just above Grouse lake (headwaters of Grouse Creek). 1738 Comment
  CAS-BOT-BC488617  Calochortus elegans var. nanus Elmer I. Applegate 1895-5-28 725 Siskiyou Sisson Comment
  CAS-BOT-BC493093  Calochortus nudus Alice Eastwood 1912-7-15 1109 Siskiyou vic. Cloud Comment
  CAS-BOT-BC493094  Calochortus nudus Alice Eastwood 1921-7-24 10791 Siskiyou Castle Lake Comment
  RSA211389  Calochortus nudus William J. Ferlatte 1966-6-22 100 Siskiyou Along the South Fork of the Salmon River between the campgrond and Carters; Trinity Alps. 1524 Comment
  CAS-BOT-BC132458  Calochortus persistens Marion Ownbey; S. J. Preece, Jr. 1952-6-25 3341 Siskiyou Ridge road to Deadwood Lookout, mountains west of Yreka Comment
  JEPS80557  Calochortus tolmiei Gilbert Muth 1965-8-6 189 Siskiyou backside Black Mountain; Marble Mountain Wilderness Area 2072 Comment
  JEPS96992  Calochortus tolmiei Dean W. Taylor 1999-6-9 17236 Siskiyou Agate Flat, 0.3 miles S of Oregon State Line 1005 Comment
  UC337923  Calochortus tolmiei unknown Siskiyou near Shasta Comment
  RSA0120933  Caltha biflora Robert F. Thorne, Frederick W. Oettinger 1969-8-4 63385 Siskiyou Klamath National Forest, Salmon Mountains, Marble Mountain Wilderness Area, high lake basins in the vicinity of English Peak Comment
  JEPS103199  Calycadenia fremontii G. Schoolcraft 1995-7-19 2505 Siskiyou Wiley Ranch area 1158 Comment
  SEINET7379699 Image available Calycadenia truncata L. C. Wheeler 1934-6-26 2787 Siskiyou Klamath River, Siskiyou Mountains 762 Comment
  HSC22851  Calyptridium monospermum J. O. Sawyer 1969-7-9 1269 Siskiyou Summit above S Sugar Lake. 2378 Comment
  UC1190140  Calyptridium umbellatum Ira L. Wiggins 1955-7-27 13556 Siskiyou Caribou Lake, Salmon-Trinity Alps Primitive Area Caribou Lake; Salmon-Trinity Alps Primitive Area, Caribou Lake 2042 Comment
  HSC29490  Calyptridium umbellatum Frederick W. Oettinger 1968-8-19 585 Siskiyou Marble Mtn. Wilderness Area, slope of Crapo Peak Meadow 2134 Comment
  SEINET196191  Calyptridium umbellatum R. S. Ferris, L Lorraine 11761 Siskiyou French Cr Logging Rd W of Callahan 1067 Comment
  HSC99985  Calystegia malacophylla subsp. malacophylla Thomas W. Nelson 2005-7-16 9378 Siskiyou Along F. S. Rd. 42N16. 1337 Comment
  UC221534  Calystegia occidentalis subsp. occidentalis H. E. Brown June 1-10 1897 282 Siskiyou near Sisson; near Sisson 1083 Comment
  UC640525  Camassia quamash subsp. breviflora Frank W. Gould 1940-5-15 1224 Siskiyou Goosenest Mountain, Bull Meadows Bull Meadows; Goosenest Mountain, Bull Meadows 152 Comment
  CHSC88123  Camelina microcarpa Jenny Marr 1993-7-1 133 Siskiyou Butte Valley Wildlife Area, +/- 7 air miles NW of the town of MacDoel. Meadow NW of Meiss Lake. 1349 Comment
  CAS-BOT-BC36998  Camelina microcarpa Bellue 1933-7-1 s.n. Siskiyou Dunsmuir and Yreka. Comment
  HSC16513  Camissonia tanacetifolia R. C. Wunner 1965-7-9 347 Siskiyou Lava Beds National Monument area near car washing place 1442 Comment
  CAS-BOT-BC160906  Camissonia tanacetifolia subsp. tanacetifolia Elmer I. Applegate 1935-6-2 9285 Siskiyou Frenner's ranch, old road to the Lava Beds, near National Monument Comment
  JEPS83866  Campanula prenanthoides Wayne Roderick July 1976 Siskiyou vicinity Cook and Green Pass; Siskiyou Mts. 1463 Comment
  UC220935  Campanula prenanthoides Dr. Edward Palmer Jul 13 1892-Jul 27 1892 2511 Siskiyou Mt. Shasta and vicinity Comment
  SEINET10463072  Campanula prenanthoides Whiteley 1975-6-22 WHITELEY 37 Siskiyou KLAMATH NATL FOR ALONG HWY 96 NR SOMES BAR. T12N R6E Sec. 33 219 Comment
  SEINET10463110  Campanula prenanthoides Kildale 1929-7-20 KILDALE 8650 Siskiyou Trail up South Fork Indian Creek to Elk Lick Comment
  SEINET10939015  Campanula prenanthoides Feratte 1966-8-3 FERATTE 267 Siskiyou Along the South Fork of the Salmon River between the campground and Carter's 1524 Comment
  UCD66985  Campanula rotundifolia Jack Major; M. Fleschner, R. Pemble 1966-9-4 s.n. Siskiyou Marble Mountain, Marble Mountains. 2255 Comment
  UC890573  Campanula scabrella Alice Eastwood 1912-8-30 2010 Siskiyou Mount Eddy Comment
  CHSC178  Campanula scouleri V. Holt 1932-7-13 Siskiyou Nixon's Camp, Mt. Shasta. 670 Comment
  HSC48283  Campanula scouleri J. O. Sawyer, K. Stillman 1978-7-6 3348 Siskiyou Along Happy Camp - O'Brien Rd., above Louse Creek. Comment
  SEINET10463435  Campanula scouleri A. Arthur Heller 1915-7-18 Heller 12106 Siskiyou METCALF'S RANCH, NE BASE OF MT EDDY, MOIST SOIL 1189 Comment
  CHSC29295  Campanula wilkinsiana J. D. Prouty 1979-8-14 79 .40 Siskiyou Creekside, Cold Creek, e slope of Mt. Shasta. 1889 Comment
  CAS-BOT-BC37749  Cardamine californica John Thomas Howell 1939-8-9 15241 Siskiyou Marble Mountains. Shackleford Creek Trail. Comment
  JEPS96809  Cardamine nuttallii var. covilleana Dean W. Taylor 1999-6-10 17252 Siskiyou Marble Mountains, Mill Creek, ca. 4 miles W from Mugginsville in Quartz Valley, northerly facing slopes near watershed divide with Kidder Creek Comment
  UC1265325  Carex abrupta Frederick W. Oettinger 1968-9-6 803 Siskiyou on w shore of Hancock Lake Salmon Mountains, Marble Mountain Wilderness Area 1889 Comment
  UC1265327  Carex abrupta Frederick W. Oettinger 1968-9-8 733 Siskiyou se Tom's lake; Salmon Mountains, Marble Mountain Wilderness Area 2148 Comment
  CAS-BOT-BC17968  Carex angustata Frank Walton Gould 1940-5-14 1229 Siskiyou Bull Meadows, Goosenest Mountain. 1524 Comment
  CAS-BOT-BC17964  Carex angustata W. R. Dudley 1893-6-21 s.n. Siskiyou Peter Klinks Meadow near Sissons. Comment
  UCD140097  Carex angustata A. A. Heller 1920-7-6 13409 Siskiyou Metcalf's ranch, northeast base of Mt. Eddy. 1158 Comment
  CAS-BOT-BC18129  Carex athrostachya Melissa A. Berry 1957-7-4 s.n. Siskiyou Carter Meadow at junction of Long Gulch and Trail Gulch on South Fork of Salmon River. 1676 Comment
  CAS-BOT-BC19557  Carex bolanderi John Thomas Howell 1937-7-21 13197 Siskiyou South Fork of Salmon River near Big Flat. 1524 Comment
  HSC29659  Carex brainerdii Frederick W. Oettinger 1969-8-3 1146 Siskiyou Marble Mtn. Wilderness: High Lake Basins, above English Lake 1829 Comment
  POM79942  Carex breweri E. B. Copeland 1903-7-16 2168 Siskiyou Mt. Shasta. 3171 Comment
  CAS-BOT-BC34376  Carex cusickii John Thomas Howell 1937-7-23 13335 Siskiyou South Fork of Salmon River near Big Flat. 1524 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
  RSA237279  Carex echinata subsp. echinata Frederick W. Oettinger 1968-8-3 372 Siskiyou At Base Camp mid-way down the trail from Diamond to Hancock Lake. Salmon Mtns. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2012 Comment
  HSC76839  Carex exsiccata L. P. Janeway 1982-8-1 97 Siskiyou Curve of FS Rd. 17N32 at FS Rd. 17N32A, 5 mi. from Indian Creek Rd. 793 Comment
  UC55223  Carex feta H. M. Hall and E. B. Babcock June, 1903 4061 Siskiyou Sisson Sierra Nevada Mountains, Mount Shasta 1066 Comment
  CAS-BOT-BC20746  Carex fracta William Bridge Cooke 1938-7-15 11263 Siskiyou Mt. Shasta. 1737 Comment
  JEPS25580  Carex fracta Rimo Bacigalupi with George Bacigalupi Jr. 1959-7-1 7209 Siskiyou w slopes of broadening base of Mt. Shasta Mt. Shasta 1676 Comment
  SEINET11309789 Image available Carex fracta Unknown 2009-1 24603 Siskiyou Near top of Road A10 (Everett Memorial Highway), S slope of Mt. Shasta. Cascade Range Highlands (CaRH). Comment
  JEPS93901  Carex gigas Vernon H. Oswald and Lowell Ahart 1998-8-3 9442 Siskiyou w of Kangaroo Lake (near the Pacific Crest Trail in the Scott Mountains); Scott Mountains 1981 Comment
  HSC82003  Carex gracilior Thomas W. Nelson, Jane P. Nelson 1979-6-16 4849 Siskiyou Along Hwy. 3, 2.7 mi. N of Scott Mtn. Summit 1341 Comment
  CHSC82811  Carex halliana L. P. Janeway 2002-7-13 7638 Siskiyou High Cascade Range. 1.0 km west of the western edge of Medicine Lake; 0.2 km southeast of Road 43N48 on west side of the road to a cinder pit. 2079 Comment
  CHSC82813  Carex halliana L. P. Janeway 2002-7-13 7634 Siskiyou High Cascade Range. 1.6 km southeast of southeast corner of Medicine Lake; east side of Road 49 (44N75) 0.2 km north of Road 44N17. Drainage below the road. 2067 Comment
  UC1586943  Carex halliana Juha Pykala and D. H. Norris 1987-7-8 2432 Siskiyou s and w sides of lake, between lake and road Little Medicine Lake 2040 Comment
  SEINET7561745 Image available Carex hoodii L. P. Janeway 2006-7-1 8720 Siskiyou Deadman Peak 7.5' quad. Klamath Ranges. Salmon Mountains, just west of Carter Meadow, north side of South Fork Salmon River. 1579 Comment
  UCR39770  Carex hoodii L. P. Janeway 1982-7-2 35 Siskiyou Poker Flat, end of road 18N33. At a raised drier spot in upper part of the meadow. 1524 Comment
  CAS-BOT-BC7600  Carex inops subsp. inops 1938-7-22 11331 Siskiyou Mt. Shasta. 1981 Comment
  CAS-BOT-BC7659  Carex integra John Thomas Howell 1939-8-3 15002 Siskiyou Spirit Lake, Marble Mountains. 1828 Comment
  CAS-BOT-BC35521  Carex jonesii William J. Ferlatte 1967-6-27 531 Siskiyou Big Flat, between campground and S. Fork of the Salmon River 1524 Comment
  JEPS109283  Carex lemmonii D. W. Taylor 2005-7-14 19407 Siskiyou Mount Shasta, Bear Spring, Big Canyon Creek drainage. Comment
  SEINET7564601 Image available Carex lenticularis var. impressa John Thomas Howell 1939-8-7 15128 Siskiyou Sky High Valley, Marble Mts. 1829 Comment
  UC194550  Carex lenticularis var. lipocarpa Geo. D. Butler 1910-7-8 1665 Siskiyou Log Lake Shackleford Creek 121 Comment
  POM173648  Carex lenticularis var. lipocarpa Geo D. Butler 1910-7-8 1665 Siskiyou Shackleford Creek. 1220 Comment
  CAS-BOT-BC31435  Carex leporinella Louis C. Wheeler 1934-8-9 3087 Siskiyou Jaynes Canyon. 1981 Comment
  CHSC96165  Carex luzulina L. P. Janeway 2006-7-1 8719 Siskiyou Klamath Ranges. Salmon Mountains; just west of Carter Meadow, north side of South Fork Salmon River. Small open dry meadow along road with seepy ditch along upper road edge. 1579 Comment
  UCD140533  Carex luzulina Robert E. Preston 2001-6-30 1655 Siskiyou Klamath National Forest, Hemlock Lake. 1889 Comment
  HSC99657  Carex luzulina Jennifer Whipple 1976-7-2 1248 Siskiyou Slopes and meadows near Durney Lake, along stream draining lake 2073 Comment
  JEPS109227  Carex luzulina var. luzulina D. W. Taylor 2005-8-18 19466 Siskiyou Dry Creek Peak, cirque on north face at headwaters Antelope Creek, ca 12 air miles NE of the summit of Mt. Shasta. Comment
  CHSC96143  Carex mertensii L. P. Janeway 2006-7-1 8718 Siskiyou Klamath Ranges. Salmon Mountains; just west of Carter Meadow, north side of South Fork Salmon River. 1579 Comment
  CHSC96015  Carex multicaulis L. P. Janeway 2006-7-4 8800 Siskiyou Klamath Ranges. Scott Mountains; opening on spur ridge 1.9 km west-southwest of Scott Mountain Summit. 1838 Comment
  UC195518  Carex multicaulis Geo. D. Butler 1909-5-30 856 Siskiyou Humbug Mountain Comment
  SEINET7568504 Image available Carex multicostata L. P. Janeway 2006-7-2 8738 Siskiyou Deadman Peak 7.5' Quad. Klamath Ranges. Salmon Mountains, slope of south side of South Fork Salmon River 0.5 km west of Carter Meadows Summit. 1783 Comment
  SEINET7568685 Image available Carex nebrascensis Barbara L. Wilson, Richard E. Brainerd 2004-6-17 10917 Siskiyou Gazelle-Callahan Road. 1478 Comment
  UC642550  Carex nebrascensis J. W. Stacey 1939-6-23 13502 Siskiyou near Municipal Spring (above Howard); Mount Shasta Comment
  UC618742  Carex nervina J. W. Stacey 1938-7-15 11255 Siskiyou Wagon Camp Mount Shasta Comment
  CHSC40162  Carex nudata L. P. Janeway 1984-6-21 856 Siskiyou Along the south side Klamath River at Hwy 96 milepost '68.00', 1.0 mile west of Hamburg. 457 Comment
  CAS-BOT-BC123135  Carex pachycarpa William Henry Brewer 1862-9-13 1398 Siskiyou Mount Shasta 2743 Comment
  CAS-BOT-BC119211  Carex pachystachya H. A. Thomas; J. H. Thomas 1954-7-24 4515 Siskiyou Salmon-Trinity Mts. Vicinity of Rush Lake and Rush Creek Meadow. Ca 9 mi E of Cecilville. 1981 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
  UC1147794  Carex praegracilis Lewis S. Rose 1937-7-3 37397 Siskiyou Weed 944 Comment
  CAS-BOT-BC118781  Carex preslii John Thomas Howell 1939-8-9 15203 Siskiyou Sky High Valley, Marble Mts. 1828 Comment
  HSC77259  Carex rostrata L. P. Janeway 1983-8-28 635 Siskiyou Poker Flat 1529 Comment
  CHSC63523  Carex scabriuscula Vernon H. Oswald; Lowell Ahart 1994-8-1 6422 Siskiyou Gumboot Creek on the upstream side of Forest Rd. 26, ca. 0.5 mi (air) NE of Gumboot Lake, W. of Mt. Shasta (city). 1783 Comment
  HSC39805  Carex scopulorum var. bracteosa J. O. Sawyer 1969-7-18 1414 Siskiyou Head of S Russian Creek 1829 Comment
  CDA33144  Carex senta G. D. Barbe, J. T. Howell, T. C. Fuller 1980-4-29 2636 Siskiyou Between highway and East Fork of Scott River, ca. 500 ft east of Highway 3 bridge, 2 miles east of Callahan. Comment
  CAS-BOT-BC117245  Carex spectabilis Paul Clifford Hutchison 1962-8-2 931 Siskiyou Mt. Shasta between Panther Meadow and top of ski lift. 2743 Comment
  CHSC96432  Carex spectabilis Gordon Leppig 1998-8-14 1027 Siskiyou Klamath National Forest. Russian Wilderness, Little Duck Lake Fen. In cirque west of Little Duck Lake. UTM Zone 10, 503813E, 4572466N. 2200 Comment
  HSC96549  Carex spectabilis Gordon Leppig 1998-8-14 1027 Siskiyou Klamath National Forest, Russian Wilderness, Little Duck Lake Fen, cirque W of Little Duck Lake 2200 Comment
  JEPS84068  Carex spectabilis L. R. Heckard with J. Hickman et al. 1986-7-17 6527 Siskiyou above and s Alex Hole (n of Hwy. 96); Buckhorn Campground Comment
  UC1108382  Carex spectabilis Philip A. Munz 1960-8-22 24177 Siskiyou Panther Meadows Mt. Shasta 2316 Comment
  HSC30555  Carex spectabilis Frederick W. Oettinger 1969-8-4 1178 Siskiyou Marble Mtn. Wilderness Area, between Tobacco Lake and Mud Lake 1890 Comment
  HSC30672  Carex spectabilis Frederick W. Oettinger 1969-9-2 1601 Siskiyou Marble Mtn. Wilderness Area, in Bear Meadow near Tom Taylor Cabin 2165 Comment
  POM254192  Carex spectabilis J. T. Howell 1939-8-9 15226 Siskiyou Marble Mts, Ridge S of Marble Valley Comment
  RSA238929  Carex spectabilis Frederick W. Oettinger 1969-9-2 1601 -a Siskiyou Bear Meadow near Tom Taylor Cabin. Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2165 Comment
  CAS-BOT-BC117343  Carex stipata A. A. Heller 1925-7-13 13879 Siskiyou State Teachers ground near the town of Mt. Shasta. Comment
  CAS-BOT-BC117344  Carex stipata William Bridge Cooke 1940-6-8 15121 Siskiyou In meadow in Mount Shasta City. 1082 Comment
  UC1371  Carex straminiformis W. H. Brewer 1862-9-13 1399 Siskiyou Mount Shasta 2133 Comment
  UC1382  Carex straminiformis W. H. Brewer 1862-9-13 1397 Siskiyou Mt. Shasta 2133 Comment
  UCD140910  Carex subfusca A. A. Heller 1920-6-24 13390 Siskiyou Metcalf's ranch, NE base of Mt. Eddy. 1158 Comment
  CAS-BOT-BC115851  Carex subfusca William Bridge Cooke 1940-7-5 15272 Siskiyou In the sedge swamp at Wagon Camp. 1737 Comment
  CHSC40130  Carex utriculata L. P. Janeway 1982-7-2 38 Siskiyou At Poker Flat. At bottom of break between upper and lower portions of meadow. 1524 Comment
  CAS-BOT-BC115166  Carex vesicaria A. A. Heller 1940-7-24 15763 Siskiyou Edge of Castle Lake. Comment
  SBBG16533  Castilleja applegatei D. Myrick 1961-6-19 267 Siskiyou near Mt Shasta City 1066 Comment
  HSC42879  Castilleja applegatei subsp. pinetorum John Sawyer, Ken Stillman 1976-7-1 2794 Siskiyou Mid slopes and ridges E of Little North Fork Trail. 732 Comment
  HSC43833  Castilleja applegatei subsp. pinetorum Maralyn O'Meara 1974-5-27 487 Siskiyou Along FS Rd. 47N03 1280 Comment
  SBBG6734  Castilleja applegatei subsp. pinetorum H. and M. Dearing 1939-6-4 3545 Siskiyou neer Weed Comment
  CAS-BOT-BC243746  Castilleja applegatei var. pinetorum A. A. Heller 1905-6-15 8033 Siskiyou Near Sisson Comment
  CAS-BOT-BC243769  Castilleja applegatei var. pinetorum Gilbert J. Muth 1969-8-6 1205 Siskiyou Boulder Peak 2529 Comment
  RSA211406  Castilleja arachnoidea William J. Ferlatte 1967-8-20 1040 Siskiyou Caribou Mountain. 2470 Comment
  HSC82560  Castilleja lacera Thomas W. Nelson, Jane P. Nelson 1979-5-26 4719 Siskiyou Along Hwy. 3, N of Scott Mtn. Summit, at junction with FS Rd. 40N03 1524 Comment
  HSC36883  Castilleja lacera J. P. Smith 1974-5-26 7527 Siskiyou On Hwy. 3, 0.5 mi. NE of Fort Jones 854 Comment
  POM43115  Castilleja lacera Geo. D. Butler 1910-5-26 1407 Siskiyou Damp meadows near Guka [Yreka?] Comment
  CAS-BOT-BC252476  Castilleja miniata Wm. Bridge Cooke 1938-9-8 11606 Siskiyou Mt. Shasta 2590 Comment
  CAS-BOT-BC254005  Castilleja miniata J. H. Thomas; H. A. Thomas 1954-7-25 4533 Siskiyou Salmon-Trinity Mts. Vicinity of Rush lake and Rush Creek meadow. About 9 miles E of Cecilville. 1981 Comment
  CAS-BOT-BC254016  Castilleja miniata Alice Eastwood 1921-7-25 10835 Siskiyou Bigelows, McCloud River Comment
  POM15464  Castilleja miniata Copeland 1903-8-17 3809 Siskiyou Foot of Mt. Eddy. 1159 Comment
  UC1238989  Castilleja miniata Freed W. Hoffman 1950-7-14 3627 Siskiyou Baldy Mountain North Coast Ranges (w Siskiyou County) Comment
  UCD122990  Castilleja miniata J. M. Tucker; D. V. Hemphill 1974-7-27 4304 Siskiyou Haypress Creek, Haypress Meadows, Marble Mountain Wilderness Area. 1463 Comment
  CAS-BOT-BC254111  Castilleja miniata Wm. Bridge Cooke 1938-7-15 11191 Siskiyou Mt. Shasta. Meadow 1524 Comment
  RSA211403  Castilleja miniata William J. Ferlatte 1967-7-26 764 Siskiyou NW side of Caribou Mtn. Trinity Alps. 1829 Comment
  SBBG25940  Castilleja miniata subsp. miniata D. Myrick 1966-8-8 1484 Siskiyou Josephine Lake, Mountain Meadow Ranch, Big Flat; Trinity Alps 1828 Comment
  CAS-BOT-BC241050  Castilleja pilosa L. E. Smith 1913-5-27 282 Siskiyou Weed Comment
  CAS-BOT-BC241052  Castilleja pilosa Alice Eastwood 1921-7-28 10888 Siskiyou Medicine Lake Comment
  HSC20547  Castilleja pilosa R. C. Wunner 1965-6-7 131 Siskiyou Lava Beds N.M., Dragon Head Cave 1364 Comment
  CAS-BOT-BC32645  Castilleja pinetorum var. fragilis Charles Fuller Baker 1903-8-14 s.n. (= no. 3883 of C.F. Baker's distribution) Siskiyou Sisson, N. Cal. Comment
  CHSC9486  Castilleja pruinosa J. F. Goodwin 1971-7-3 139 Siskiyou North side of road . 8.2 mi. south of Mt. Shasta Ski Bowl area. 1524 Comment
  UCR37821  Castilleja pruinosa K. T. Stillman 1976-7-15 242 Siskiyou Marble Mountain Wilderness Area, Scott Bar 15' Q. 1951 Comment
  HSC29389  Castilleja pruinosa Frederick W. Oettinger 1968-8-2 368 Siskiyou Marble Mtn. Wilderness Area, NE of Diamond Lake 2088 Comment
  RSA293188  Castilleja pruinosa J. P. Smith, Jennifer Whipple 1978-7-2 9986 Siskiyou Trail from Cook and Green Pass to Copper Butte. 1768 Comment
  POM252810  Castilleja psittacina A. A. Heller 1938-7-12 15261 Siskiyou Near the eastern base of Deer Mountain on U.S. Highway 97. 1372 Comment
  HSC76645  Castilleja schizotricha K. T. Stillman 1976-7-7 168 Siskiyou Marble Mountain Wilderness Area 1982 Comment
  JEPS3785  Castilleja schizotricha Geo. D. Butler 1910-7-9 1711 Siskiyou Woolly Creek Comment
  UC61165  Ceanothus cordulatus W. A. Setchell, C. C. Dobie 1902-7-16 Siskiyou Sisson Mount Shasta Comment
  HSC31491  Ceanothus cuneatus Steve Selva, Roger Jensen 1974-8-24 46 Siskiyou S facing slopes along Road 8 to Sugar Lake Trail Comment
  RSA712073  Ceanothus cuneatus C. L. schmidt 1990-6-22 1265 Siskiyou 4 miles E of Dana on A19 to Spring Creek Road. then 5.2 miles up Spring Creek road then 1.5 miles on jeep road near Timbered Crater, on old lava flow. 1006 Comment
  HSC101760  Ceanothus integerrimus J. P. Smith, J. O. Sawyer 2011-9-5 13419 Siskiyou Along Klamath National Forest Service Road 45N28, 0.2 mi. W of junction with Yreka-Walker Road. 1474 Comment
  JEPS42428  Ceanothus integerrimus W. L. Jepson 1914-8-14 6170 Siskiyou Dunsmuir 670 Comment
  CAS-BOT-BC52121  Ceanothus prostratus L. E. Smith 1913-4-10 67 Siskiyou Weed Comment
  UC1076019  Ceanothus prostratus Herbert L. Mason 1947-5-17 14766 Siskiyou on Scott Mountain Road five mi s Callahan; s of Callahan Comment
  RSA233696  Ceanothus prostratus Robert F. Thorne 1969-8-10 38946 Siskiyou Mt. Shasta National Forest: Southwest slope of Mt. Shasta along Ski Bowl Road. 1280 Comment
  CAS-BOT-BC63154  Ceanothus velutinus Doris K. Kildale 1929-8-24 9066 Siskiyou Trail to Preston Peak between Ynengs Valley and Rattlesnake Meadow. 1524 Comment
  RSA126293  Ceanothus velutinus I. L. Wiggins 1955-7-24 13488 Siskiyou Trail at crossing of China Creek, above diversion dam Comment
  RSA398977  Ceanothus velutinus J. O. Sawyer 1977-7-6 3020 Siskiyou open slopes S of Little Duck Lake 2134 Comment
  UCD112829  Ceanothus velutinus John Sawyer 1977-7-6 3020 Siskiyou South of Little Duck Lake. 2133 Comment
  CAS-BOT-BC52844  Ceanothus velutinus var. velutinus Doris K. Kildale 1928-8-20 6588 Siskiyou Lily Pad Lake near Hancock Lookout on trail to Marble Mt. Comment
  CAS-BOT-BC52848  Ceanothus velutinus var. velutinus Elmer I. Applegate 1935-6-11 9499 Siskiyou Upper Ice Cave area, Lava Beds National Monument Comment
  HSC69370  Ceanothus velutinus var. velutinus J. O. Sawyer, J. Cole 1980-7-19 3672 Siskiyou N and W of Little Mt. Hoffman 1982 Comment
  CAS-BOT-BC52805  Ceanothus velutinus var. velutinus Fred Klein 1969-9-7 s.n. Siskiyou Southwest face of Mt. Shasta 1524 Comment
  CDA20009  Centaurea jacea M. Bagley 2002-8-1 PDR P 087837 -A Siskiyou Northern California; Vicinity of Mt Shasta. 0 Comment
  UC2014141  Centaurea solstitialis Steve Orloff September 2011 SQK 472276 S1-D Siskiyou Siskiyou County: From a property along the Klamath River. Comment
  UC166200  Centaurium venustum Geo. D. Butler 1908-7-10 1020 Siskiyou near Yreka Comment
  UC1777715  Cerastium dichotomum J. Di Tomaso 2002-5-17 Siskiyou 8 mi NE of Montague (York Rd, 3 m E of intersection with Mulloy Rd) Comment
  CAS-BOT-BC384990  Cerastium dichotomum C. S. Giebner 1963-4-30 s.n. Siskiyou Chili Hammond prop., halfway bet. Yreka and Montague Comment
  HSC103384  Cerastium dichotomum T. C. Fuller 1962-5-18 8745 Siskiyou Little Shasta Rd., 5 mi. E of Montague. Comment
  HSC4754  Cerastium fontanum subsp. vulgare William J. Ferlatte 1967-6-5 491 Siskiyou Big Flat, between public camp and S Fork of Salmon River 1524 Comment
  UCD77513  Cerastium fontanum subsp. vulgare Robert E. Preston 2001-6-30 1632 Siskiyou Klamath National Forest, north slope of Rainbow Mountain, T42N R1W se 1/4 of nw 1/4 Section 14 1694 Comment
  POM88245  Cercocarpus betuloides Geo. D. Butler 1908-7-4 286 Siskiyou Shasta River Comment
  UCD113081  Cercocarpus betuloides var. macrourus Delbert W. Hubbs 1975-10-8 s.n. Siskiyou Near Callahan. 1219 Comment
  HSC18572  Cercocarpus ledifolius D. M. Thomson 1965-7-10 122 Siskiyou California Lava Beds National Monument, by Information Center parking lot Comment
  UC1733685  Cercocarpus ledifolius Frank Gould, Kay H. Beach 1940-5-16 1253 Siskiyou about 11 mi W of Mt. Hebron ( summit of Bald Mountain grade) Comment
  UC564177  Chaenactis douglasii var. douglasii Elmer I. Applegate 1935-6-8 9450 A Siskiyou Sconchin Butte Lava Beds National Monument Comment
  CAS-BOT-BC276756  Chaenactis douglasii var. douglasii M. B. Dunkle 1945-8-4 9286 Siskiyou Kings Castle, Klamath Forest 2377 Comment
  CAS-BOT-BC276761  Chaenactis douglasii var. douglasii Geo. D. Butler 1909-6-12 332 Siskiyou Greenhorn Mountain Comment
  RSA105314  Chaenactis suffrutescens Milo S. Baker 1955-6-26 13072 Siskiyou Hwy 99, 4 miles south of Gazella 915 Comment
  UC1034641  Chaenactis suffrutescens Milo S. Baker 1955-6-26 13072 Siskiyou 4 mi s of Gazelle (Hwy 99) 914 Comment
  UC336703 Image available Chaenactis suffrutescens J. G. Lemmon 1902-12-1 Siskiyou Head waters of Sacramento River; ; headwaters of Sacramento River Comment
  SBBG29101  Chamaebatiaria millefolium J. W. Thompson 1936-7-8 13151 Siskiyou lava slopes of Lava Beds Nat Monument Comment
  SEINET1004220  Chamaebatiaria millefolium Mark Fishbein, Lane Greer 2006-1 5872 Siskiyou Along Forest Service Rd 49, about 7 mi south-southwest of Medicine Lake, about 0.4 mi northeast of Snag Hill. 1585 Comment
  CAS-BOT-BC141586  Chamaebatiaria millefolium V. June Wetherell 1961-8-9 492 Siskiyou Lava Beds National Monument Comment
  HSC68305  Chamaecyparis lawsoniana Maralyn A. Renner 1980-7-4 1421 Siskiyou Clear Creek Trail, N of Trout Camp. 1067 Comment
  UC164022  Chamaesyce maculata Geo. D. Butler 1908-7-16 444 Siskiyou Klamath Rim Comment
  UC902143  Chamaesyce maculata Joseph P. Tracy 1949-9-13 18549 Siskiyou near forks Salmon (at mouth of Butter Creek) 274 Comment
  RSA572329  Chamaesyce serpillifolia W. Bridge Cooke 1940-7-5 15220 Siskiyou Along the Wagon Camp road in dry places near Howard, Mount Shasta. 1220 Comment
  CAS-BOT-BC165979  Chamerion angustifolium Gilbert Muth 1965-8-4 s.n. Siskiyou Marble Valley Comment
  CHSC26170  Chamerion angustifolium subsp. circumvagum J. P. Kroessig 1977-8-5 48 Siskiyou McBrides Springs Campground on Mt. Shasta, ca. 4.5 km n of Mt. Shasta City. 1460 Comment
  CAS-BOT-BC68203  Cheilanthes gracillima John Thomas Howell 1939-8-3 14995 Siskiyou Marble Mts. - Spirit Lake Comment
  CAS-BOT-BC68218  Cheilanthes gracillima Maxine Wilkes 1940-8-1 s.n. Siskiyou Deep Lake, Marble Mts. Comment
  UC811572  Cheilanthes gracillima A. A. Heller 1916-7-20 12470 Siskiyou near Wagon Creek Falls (e side Mt Eddy); Mt Eddy 1524 Comment
  CAS-BOT-BC68214  Cheilanthes gracillima Louis C. Wheeler 1934-8-2 3021 Siskiyou Siskiyou Mountains - Head Jaynes Canyon - Mt. Diablo Mer. 2072 Comment
  HSC19021  Cheilanthes gracillima J. O. Sawyer 1969-7-10 1290 Siskiyou E facing slope W of S Sugar Lake 2226 Comment
  POM120359  Cheilanthes gracillima Geo D. Butler 1910-7-12 1754 Siskiyou Shackeford Lake 1372 Comment
  HSC19315  Chimaphila menziesii J. O. Sawyer 1968-7-10 503 Siskiyou On Sugar Creek just above confluence with S Sugar Creek 1707 Comment
  UC722500  Chimaphila menziesii C. L. Hitchcock and J. S. Martin 1939-7-7 5269 Siskiyou ca. 13 mi. s. Takilma, Oregon; Sanger Peak Trail 1066 Comment
  HSC27644  Chimaphila menziesii Carl W. Mize 1972-6-22 85 Siskiyou 976 Comment
  JEPS48634  Chimaphila umbellata Geo. D. Butler 1908-8-4 58 Siskiyou head of Shackelford Creek 1676 Comment
  UC32701  Chimaphila umbellata I. W. Morse Jul 1886 Siskiyou Shasta Comment
  JEPS58868  Chimaphila umbellata W. L. Jepson 1902-7-22 2088 Siskiyou trail from Salmon Forks (Salmon Summit); Western Siskiyou, Salmon Summit 1371 Comment
  SJSU8379  Chimaphila umbellata M. D. Fleachner 1965-7-8 Siskiyou c. 6 mi SW of Bartle on State Route 89 Comment
  RSA605356  Chimaphila umbellata subsp. occidentalis L. C. Wheeler 1959-7-25 7596 b Siskiyou Marble Mountains: Camp Three, Rogers Creek. Comment
  RSA467022  Chimaphila umbellata subsp. occidentalis M. B. Dunkle 1944-8-25 9170 Siskiyou Hungry Creek. 1829 Comment
  OBI4696  Chorispora tenella F. Wallier 1961-5-16 s.n. Siskiyou 1 mi NW of Gazelle Comment
  CAS-BOT-BC252662  Chorizanthe membranacea Alice Eastwood 1912-7-25 1447 Siskiyou Pitt to Baird, Mount Shasta Comment
  CAS-BOT-BC30102  Chrysolepis L. B. Kildale 1930-6-1 9789 Siskiyou Black Bear trail to Sawyers Bar Comment
  HSC4940  Chrysolepis chrysophylla J. O. Sawyer 1968-6-18 188 Siskiyou Above S Russian Creek on W side. 1463 Comment
  RSA237872  Chrysolepis chrysophylla Frederick W. Oettinger 1969-7-29 1097 Siskiyou Above Uncle Lake near inlet stream. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1890 Comment
  CAS-BOT-BC36202  Chrysolepis sempervirens E. B. Copeland 1903-8-13 3835 Siskiyou Sisson 1066 Comment
  RSA237806  Chrysolepis sempervirens Frederick W. Oettinger 1967-8-26 326 Siskiyou On e.-face of English Peak. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2226 Comment
  UC1096787  Chrysolepis sempervirens Milo S. Baker 1957-6-16 13143 Siskiyou from turn-off near Callahan (trip to Scott Mountain); North Coast Ranges Comment
  UC5453  Chrysolepis sempervirens Milo S. Baker 1893-6 Siskiyou Squaw Valley Mt. Mt. Shasta (s base of Mt Shasta) Comment
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Aug 25 2006
  CDA38307  Cicuta douglasii T. C. Fuller 1984-7-3 20429 Siskiyou On east side of railroad, north limits of Mt. Shasta City. 0 Comment
  UCD127361  Cicuta douglasii P. B. Kennedy 1922-8-22 s.n. Siskiyou Fritz Young Ranch, Scott Valley. Comment
  SD76166  Cicuta maculata var. maculata Helen V. Witham 1969-10-7 586 Siskiyou along Scott River 700 Comment
  UCD59780  Cinna latifolia J. M. Tucker 1963-8-19 3775 Siskiyou Marble Mountain Wilderness Area, headwaters of Canyon Creek. 1950 Comment
  RSA453424  Circaea alpina subsp. pacifica M. B. Dunkle 1944-7-16 9114 Siskiyou Siskiyou National Forest 1768 Comment
  UC165434  Cirsium arvense Geo. D. Butler 1909-10-3 975 Siskiyou Comment
  RSA0070600  Cirsium canovirens T. C. Fuller 1979-10-3 20271 Siskiyou Below log-truck loading area, both sides of Goosenest Road, 14 km NE of Tennant. 0.004 ha./0.04 ha. Comment
  CDA1138  Cirsium ciliolatum T. C. Fuller, Don Shaw 1978-7-5 20246 -C Siskiyou Northwestern; Klamath Ranges region; North side of York Road, 0.3 km east of Bryant-Willow Creek Road, 15 km north of Montague; T46N R5W, sec. 20 0 Comment
  LA99567  Cirsium ciliolatum T. C. Fuller; D. H. Shaw 1978-7-5 20246 Siskiyou N side of York Road, 0.3 km. E of Bryant-Willow Creek Road, 15 km. N of Montague Comment
  CAS-BOT-BC278043  Cirsium cymosum Alice Eastwood 1923-5-29 12001 Siskiyou Cantara Comment
  CAS-BOT-BC278038  Cirsium cymosum John Thomas Howell 1952-6-15 28358 Siskiyou Yreka Comment
  CAS-BOT-BC278044  Cirsium cymosum Marion Ownbey; S. J. Preece, Jr. 1952-6-25 3347 Siskiyou West of Yreka Comment
  CAS-BOT-BC278052  Cirsium cymosum R. C. Barneby 1954-5-15 11500 Siskiyou 3 mi. n. of Edgewood 929 Comment
  OBI55400  Cirsium cymosum var. canovirens David J. Keil, Kathleen Keil 1992-7-24 23560 Siskiyou Klamath Natl forest E of callahan. 2.1 m N of Kangaroo Lake on Rail Creek rd Comment
  UC469086  Cirsium cymosum var. cymosum Geo. D. Butler 1909-5-14 753 Siskiyou Klamath Hills Comment
  CAS-BOT-BC279889  Cirsium douglasii var. breweri Peter H. Raven 1956-9-5 10442 Siskiyou North Fork of Sacramento River 2194 Comment
  UC398705  Cirsium douglasii var. breweri A. A. Heller 1927-8-1 14437 Siskiyou just n of Shasta City (near Deetz, Strawberry Valley is the old name for the region about Shasta City, type collected in the Strawberry Valley near Mount Shasta Brewer); Strawberry Valley Comment
  HSC68040  Cirsium occidentale var. candidissimum J. P. Smith, Steve Selva 1970-6-17 4095 Siskiyou 6 mi. E of Somes Bar 259 Comment
  CAS-BOT-BC288009  Cirsium occidentale var. candidissimum Lester Rowntree 1937-8-5 s.n. Siskiyou Between Callahan and Etna Comment
  HSC72015  Cirsium occidentale var. candidissimum J. P. Smith, J. O. Sawyer, Kevin Sawyer, Jane Sawyer 1976-9-5 8977 Siskiyou 1/5 mi. W of State Rte. 3 on Road 8 671 Comment
  RSA0070693  Cirsium occidentale var. candidissimum L. C. Wheeler 1934-7-16 2908 Siskiyou Oak Knoll Ranger Station, Klamath River. Siskiyou Mts. 671 Comment
  HSC34345  Cirsium remotifolium J. P. Smith, J. O. Sawyer 1973-8-14 7302 Siskiyou On trail from Campbell Lake to Cliff Lake 1829 Comment
  OBI55422  Cirsium remotifolium var. odontolepis David J. Keil 1992-7-20 23495 Siskiyou Klamath NF, W of Fort Jones. Along Forest Rd 44N45, 4.4 mi S of Scott river rd Comment
  CDA1579  Cirsium scariosum var. robustum T. C. Fuller 1977-6-14 20216 Siskiyou Klamath Lake valley; North side of Hwy 161 (Stateline Rd.) 5.2 km. east of Hwy 97, 10.5 km. NE of Dorris. Comment
  CAS-BOT-BC228971  Cistanthe umbellata Elizabeth McClintock; Wayne Roderick; Martha Roderick 1967-7-29 s.n. Siskiyou Mumbo Lake, Trinity Mts. 1828 Comment
  UCD169448  Clarkia lassenensis Lowell Ahart; John Dittes 2005-6-10 12099 Siskiyou About 6 miles (air) east-southeast of Grenada, about 1.9 miles (air) south of Highway 99/97 Cutoff, about 100 yards southeast of the pump house along the Shasta River. 776 Comment
  HSC97706  Clarkia modesta Thomas W. Nelson, Jane Nelson 2006-7-1 9452 Siskiyou Along USFS Rd. 4319, Military Pass Rd., The Whaleback 1392 Comment
  CAS-BOT-BC164981  Clarkia rhomboidea Louis C. Wheeler 1934-6-19 2740 Siskiyou Klamath National Forest. North Hungry Cr. 1097 Comment
  HSC46173  Clarkia rhomboidea Jennifer Whipple 1978-6-5 2342 Siskiyou Weston Gulch in Scott Valley 854 Comment
  RSA34386  Clarkia rhomboidea W. Bridge Cooke 1947-8-1 17765 Siskiyou Along the Shasta Snowline Highway, Mt. Shasta. Comment
  HSC27336  Claytonia lanceolata J. P. Smith, J. O. Sawyer, Maralyn O'Meara 1972-7-3 5708 Siskiyou E slope of Kangaroo Mtn., above Toehead Lake. 1890 Comment
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Sep 23 2019
  RSA465249  Claytonia lanceolata Christopher Davidson 1975-6-5 2690 Siskiyou 0.1 ENE on unnamed dirt rd. departing to E off Hwy 3 at Scott Mtn summit. 1677 Comment
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May 17 2012
  SEINET11942356  Claytonia lanceolata H. P. Chandler 1901-1 1690 Siskiyou Marble Mountain, North Coast Ranges 2286 Comment
  UC60981  Claytonia palustris Geo. B. Grant Sep 1902 5232 Siskiyou Shasta Springs; Mount Shasta 609 Comment
  HSC64297  Claytonia parviflora subsp. parviflora J. P. Smith 1973-5-5 6456 Siskiyou Trail to the Siskiyou cypress stand, off the Cook and Green Pass Rd. Comment
  CDA17137  Claytonia rubra G. F. Hrusa 2001-6-6 15851 Siskiyou Siskiyou Mountains; Nr. summit of pass betw. Happy Camp, CA and O'Brien, Oregon at turnoff to Bolan Lake, at Oregon border. 1424 Comment
  CAS-BOT-BC443825  Claytonia rubra subsp. rubra Geo. D. Butler 1910-5-5 1289 Siskiyou Humbug Mountain 1219 Comment
  HSC41078  Claytonia rubra subsp. rubra J. O. Sawyer 1970-4-3 2053 Siskiyou Robinsons Flat, 4 mi. E of Sawyers Bar 732 Comment
  UC726455  Claytonia rubra subsp. rubra A. A. Heller 1919-6-27 13277 Siskiyou Metcalf's Comment
  SBBG1955  Claytonia rubra subsp. rubra J. M. Tucker 1947-5-17 1558 Siskiyou ca. 5 mi SE of Callahan on rd to Scott Mtn Comment
  CHSC98057  Claytonia sibirica K. L. Chambers 1984-6-10 5138 Siskiyou Mt. Shasta City, Big Springs at the city park towards N end of city, W of old highway. On the stone check-dam and at edge of creek below it,. Comment
  CAS-BOT-BC92762  Clematis ligusticifolia Carl B. Wolf 1927-8-26 1020 Siskiyou On the Klamath River, 5 miles below Hornbrook. Comment
  HSC64347  Clematis ligusticifolia J. P. Smith, Steve Selva 1970-7-16 4412 Siskiyou Beaver Creek Campground. 823 Comment
  SEINET3159191  Clematis ligusticifolia G. D. Butler 1910-8-3 1810 Siskiyou Yreka creek Comment
  UC118736  Clematis ligusticifolia Brandegee July 1887 Siskiyou Edgewood Comment
  UC35092  Cleome platycarpa G. H. Chambers 1901-9-2 Siskiyou Montague 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
  UC30058  Clintonia uniflora Harley P. Chandler June, 1901 1718 Siskiyou near Marble Mountain (Shackleford Canyon); North Coast Ranges, Shackleford Canyon 2133 Comment
  SEINET10966302  Clintonia uniflora John G. Lemmon 1879-7-12 Lemmon s.n. Siskiyou Scotch Camp, Mount Shasta, CA. Comment
  CHSC57456  Collinsia linearis L. P. Janeway 1984-6-22 876 Siskiyou Ca 1 mi north of Scott Summit on Road 40N08. Comment
  JEPS86076  Collinsia linearis Wayne Roderick 1966-6-26 Siskiyou w of Copper Butte (e along trail to Copper Butte); Cook and Green Pass area Comment
  HSC68497  Collinsia parviflora Maralyn A. Renner 1980-6-22 887 Siskiyou Slopes N of Little Shasta River 1372 Comment
  HSC90174  Collinsia parviflora Andrew Enberg, Brad Penkala and Dan Scofield 1990-4-4 33 Siskiyou E side of Hwy. 3, about 8 mi. N of Scott River Ranger Station 1159 Comment
  HSC25480  Collinsia torreyi J. P. Smith, J. O. Sawyer, Maralyn O'Meara 1972-7-3 5721 Siskiyou E slope of Kangaroo Mtn., above Toehead Lake. 1890 Comment
  JEPS70999  Collomia grandiflora W. L. Jepson 1940-6-23 20025 Siskiyou n Mt. Shasta; Andesite station 975 Comment
  JEPS80584  Collomia grandiflora Gilbert Muth 1965-7-29 137 Siskiyou meadow below Marble Rim; Marble Mt. Wilderness Area 1895 Comment
  UCD118134  Collomia grandiflora Charlotte Glenn 1967-6-20 114 Siskiyou Klamath River Basin near Seiad Valley. 609 Comment
  UC643292  Collomia heterophylla W. Bridge Cooke 1940-7-12 15311 Siskiyou in the Box Canyon near Mount Shasta City; Sacramento River 914 Comment
  UCSB3064  Collomia heterophylla Hardham, Clare 1965-8-20 Siskiyou Granite Trail; Cudahy Lakes; Marble Mountains 1219 Comment
  POM259288  Collomia tinctoria J. T. Howell 1939-8-9 15239 Siskiyou Shackleford Creek Trail, Marble Mts. Comment
  POM75193  Collomia tinctoria Geo D. Butler 1910-5-30 1424 Siskiyou Humbug Creek, Siskiyou County Comment
  UC1408894  Collomia tracyi F. W. Oettinger 1969-8-12 1337 Siskiyou along main North Fork Trail between Yellow Dog Creek and Abbott's Lower Cabin; Salmon Mountains Comment
  CAS-BOT-BC286039  Conyza canadensis Wm. Bridge Cooke 1938-7-29 11383 Siskiyou Mount Shasta. Howard Comment
  HSC46114  Corallorhiza maculata J. P. Smith, Steve Selva 1970-6-16 3991 Siskiyou 6 mi. from Hwy. 3 on Rd. 8 to Sugar Creek. 1280 Comment
  HSC23624  Corallorhiza maculata J. O. Sawyer 1970-7-3 2314 Siskiyou Plot 321 1402 Comment
  RSA755949  Corallorhiza maculata Robert F. Thorne 1969-8-2 63343 Siskiyou Klamath National Forest, Salmon Mountains, Marble Mountain Wilderness Area, high lake basins in the vicinity of English Peak 1159 Comment
  UC4425  Corallorhiza maculata C. B. Bradley 1879-1 Siskiyou Comment
  JEPS84238  Corallorhiza mertensiana L. R. Heckard with J. Hickman et al. 1986-7-17 6471 Siskiyou ca. 5 mi. n. town of Seiad Valley (trail up Kangaroo Peak, s. of Lily Pad Lake); Kangaroo Peak 1900 Comment
  RSA237634  Corallorhiza mertensiana Frederick W. Oettinger 1967-7-30 222 Siskiyou Near the campsite at the N end of Abbotts Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area 1723 Comment
  CHSC105577  Cordylanthus tenuis subsp. tenuis Barbara L. Wilson; Richard E. Brainerd 2010-8-5 16221 Siskiyou Dunsmuir; road 1M036 (Railroad Park Road) across from the railroad museum. Lat and Long. indicated +/- 56 feet. 704 Comment
  HSC42895  Cordylanthus tenuis subsp. viscidus Ken Stillman 1976-8-15 411 Siskiyou Clearcut at junction of Specimen Creek and Little N Fork of the Salmon River 732 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
  JEPS85955  Cordylanthus tenuis subsp. viscidus Don Burk 1990-8-18 Siskiyou 0.3 mi below Gumboot Creek crossing (both sides of rd 40N26); The Eddy's 1706 Comment
  CAS-BOT-BC212271  Cornus glabrata Geo. D. Butler 1910-5-22 1385 Siskiyou Yreka Creek Comment
  HSC33970  Cornus nuttallii J. P. Smith 1974-5-25 7434 Siskiyou Near junction of Rd. 8 with French Creek Rd. 1280 Comment
  UCSB15565  Cornus nuttallii Breedlove, Dennis 1962-6-10 Siskiyou Along Indian Creek Road; 18.1 miles northwest of Happy Camp; Siskiyou Mountains 1280 Comment
  CAS-BOT-BC210420  Cornus sericea A. A. Heller 1905-6-15 8043 Siskiyou Near Sisson Comment
  UCSB22161  Cornus sericea Keefe, Joseph 1967-7-10 Siskiyou Indian Creek Road; 22.2 miles north of Happy Camp 1402 Comment
  UC875913  Cornus sericea subsp. sericea Alice Eastwood 1912-9-3 2082 Siskiyou Sisson Comment
  UC933381  Cornus sericea subsp. sericea Annie M. Alexander and Louise Kellogg 1948-9-6 5586 Siskiyou S. Fork Salmon R. at Matthews Creek; Siskiyou Mts., S. Fork Salmon R., Matthews Creek Comment
  UC1040689  Corylus californica Beecher Crampton 1956-8-21 3848 Siskiyou canyon of the Sacramento River just above the north fork junction with south and middle forks 1066 Comment
  UCD110080  Corylus cornuta subsp. californica AT Leiser 1973-3-22 s.n. Siskiyou Dunsmuir. Comment
  JEPS124698 Image available Corylus cornuta subsp. californica B. Corwin 1964-7-1 131 Siskiyou Above lower falls of McCloud River. Fowler Public Camp, off rte. 89. Comment
  RSA481446  Corylus cornuta var. californica M. B. Dunkle 1944-7-15 9098 Siskiyou Siskiyou National Forest. Comment
  CHSC3381  Crataegus suksdorfii Alice L. Stoll 1966-5-14 184 Siskiyou 1 miles N.E. of Callahan. Comment
  RSA47646  Crataegus suksdorfii Roxana S. Ferris, Laura Lorraine 1948-6-12 s.n. Siskiyou E Fork of Scott River drainage, Parker Ranch, Plowman's Valley. 1204 Comment
  HSC5440  Crepis acuminata D. M. Thomson 1965-6-19 100 Siskiyou Lava Beds National Monument, Merril Ice Cave by side of trail Comment
  CAS-BOT-BC299653  Crepis monticola Geo. D. Butler 1910-5-1 148 Siskiyou Near Yreka Comment
  CAS-BOT-BC299654  Crepis monticola E. B. Babcock; G. L. Stebbins, Jr. 1936-6-11 1930 Siskiyou About 8 mi. south of Yreka 822 Comment
  CAS-BOT-BC290881  Crepis pleurocarpa John Thomas Howell 1939-8-2 14867 Siskiyou Spirit Lake, Marble Mts. 1828 Comment
  SEINET11835677  Crepis pleurocarpa C. G. Pringle 1882-1 s.n. Siskiyou Mts. about the head waters of the Sacramento River Comment
  HSC65134  Croton setiger J. P. Smith, Steve Selva 1970-7-17 4416 Siskiyou Along Klamath River. Comment
  HSC19013  Cryptantha affinis J. O. Sawyer 1969-8-4 1878 Siskiyou S of S Sugar Lake 2104 Comment
  JEPS87644  Cryptantha ambigua Vernon H. Oswald and Lowell Ahart 1994-8-10 6455 Siskiyou ca 4.5 mi (air) ne McCloud (Pilgrim Creek Rd (FS13), just e of Mud Creek, 2.7 mi n of Hwy 89) 1097 Comment
  JEPS67602  Cryptantha flaccida Geo. D. Butler 1909-5-10 734 Siskiyou near Yreka Comment
  JEPS67620  Cryptantha intermedia M. K. Curran Jul 1887 Siskiyou Edgewood Comment
  UC78653  Cryptantha rostellata Thos. Howell 1889-5-10 1386 Siskiyou Hornbrook Comment
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May 28 2007
  CAS-BOT-BC70480  Cryptogramma acrostichoides Ira L. Wiggins 1955-7-27 13529 Siskiyou Caribou Lake, Salmon-Trinity Alps Primitive Area 2042 Comment
  CHSC99987  Cryptogramma acrostichoides L. P. Janeway 2008-7-26 9508 Siskiyou Klamath Ranges. Between Castle Crags, Trinity Mountains, and The Eddys; about 200 m west-southeast of Heart Lake and about 0.8 km south of Castle Lake. 1901 Comment
  HSC65356  Cryptogramma acrostichoides Rich White 1978-7-3 212 Siskiyou Saddle in Spur Ridge between Dillon Trail and 5759 1662 Comment
  SEINET6166400 Image available Cryptogramma crispa subsp. acrostichoides W. V. Showalter 1954-8-8 Siskiyou Mt. Shasta. 2438 Comment
  CAS-BOT-BC80534  Cupressus bakeri Frank Callahan; John Erwin 1998-8-8 s.n. Siskiyou Goosenest Mtn., south of Ball Mtn./Little Shasta Rd. (uphill south of Historical Smiths Sawmill) 1676 Comment
  CAS-BOT-BC80538  Cupressus bakeri James P. Smith 1973-5-5 s.n. Siskiyou Trail to the Siskiyou cypress stand off the Cook and Green Pass road Comment
  NY16604  Cupressus bakeri C. B. Wolf 1934-10-9 6170 Siskiyou Siskiyou Mountains, above West Fork of Seiad Creek, 0.75 miles above forks of creek 1158.2 Comment
  RSA176220  Cupressus bakeri C. O. Stone 1964-6-6 287 Siskiyou 100 yards NE of Quarry in Sec. 25 SW/4 SW/4 NE/4 Fall River Mills quad 1110 Comment
  UC650675  Cupressus bakeri Oliver V. Matthews 1939-7-5 21 Siskiyou Sullivan Mine Grove Cook and Green Region, Sullivan Mine Grove 1066 Comment
  RSA666423  Cuscuta occidentalis Barbara Ertter 1987-7-26 7326 Siskiyou 2.2 mi N of Scott Mt. summit on Hwy 3, at road junction.Half way down Old Priest Grade between Big Oak Flat and junction of Highways 120 and 49, ca. 35 airmiles E of Modesto. 1372 Comment
  RSA7492A  Cuscuta occidentalis C. F. Baker 1903-7-6 3498 Siskiyou Hornbrook. Comment
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Jun 22 2012
  CHSC65214  Cymopterus terebinthinus var. californicus Julie Kierstead 1991-4-23 91004 Siskiyou Mt. Shasta Ranger District. North side of Mt. Shasta, north of Hwy. 97, 2 mi. SW of Haystack Rock. 1066 Comment
  UCD77586  Cymopterus terebinthinus var. californicus Robert E. Preston 2000-6-23 1380 Siskiyou East edge of Juniper Flat, north of Yellow Butte, along A12, 2.1 mi n of Hwy 97. 1100 Comment
  JEPS39359  Cynoglossum grande Geo. D. Butler 1909-4-15 594 Siskiyou Humbug Comment
  UC1177923  Cynoglossum occidentale Francia Chisaki and G. B. Newcomb 1958-6-21 1147 Siskiyou on rd. to and slopes of Everitt Hill (3.5 mi. e. of junction with Hwy. 89-99) 1447 Comment
  JEPS87640  Cynoglossum officinale Vernon H. Oswald and Lowell Ahart 1994-8-10 6458 Siskiyou ca. 4 mi.(air) n.-n.e. Bartle (FS 40N39 at Stillwater Meadows on Bartle Creek, ca. 0.5 mi. w. of Harris Spring Rd. (FS 15)); Bartle Creek, Stillwater Meadows 1359 Comment
  JEPS93885  Cyperus squarrosus Vernon H. Oswald and Lowell Ahart 1998-7-21 9338 Siskiyou 9 air mi e of Grass Lake (22 air mi ne of Weed, Dry Lake on the s side of Tennant Road); Dry Lake, Tennant Road 1402 Comment
  SEINET8253671  Cypripedium californicum Frank Callahan 2007-7-5 Siskiyou Methodist Camp Meadows (south of) up Scott Camp Creek. Comment
  CDA39517  Cypripedium montanum D. Osterhandt 1979-6-1 s.n. Siskiyou Sawyers Bar. 0 Comment
  HSC103854  Cystopteris fragilis G. D. Barbe, J. T. Howell, T. C. Fuller 1980-5-20 2767 Siskiyou 2 mi. east of Callahan at Hwy. 3 bridge over the East Fork Scott River. 988 Comment
  HSC26114  Cystopteris fragilis J. P. Smith, J. O. Sawyer, Maralyn O'Meara 1972-7-3 5682 Siskiyou E slope of Kangaroo Mtn. above Toehead Lake. 1890 Comment
  RSA237514  Cystopteris fragilis Frederick W. Oettinger 1969-7-13 1007 Siskiyou NW of Upper English Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1799 Comment
  RSA603759  Dactylis glomerata L. C. Wheeler 1935-6-30 3626 Siskiyou 3 mi. S [of] Yreka; dry roadside ditch 854 Comment
  HSC19086  Danthonia californica J. O. Sawyer 1969-7-25 1531 Siskiyou SE facing slope W of Sugar Lake 1845 Comment
  UCD60722  Danthonia californica var. americana R. Tofsrud 1948-8-3 Siskiyou About 1 mi. SW of Happy Camp. Hwy 96. 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
  CHSC118612  Danthonia unispicata Julie Kierstead Nelson; Martin Lenz, Rhonda Posey, Brenna Montagne 2016-6-9 2016013 Siskiyou Lower Parks Creek watershed, E Klamath Range; along Forest Service Road 42N19, 3 miles northwest of Stewart Springs; UTM NAD 83 Zone 10, 539617m E, 4586637m N. 1360 Comment
  UC1094389  Darlingtonia californica Rimo C. Bacigalupi with S. Galen Smith 1957-6-26 5956 Siskiyou small, sloping bog at w margin Gumboot Lake (ca 6 mi due s of Mt. Eddy); head of the South Fork of the Sacramento River 1859 Comment
  UC11153  Darlingtonia californica W. A. Setchell, C. C. Dobie July, 1902 Siskiyou near Sisson; Mount Shasta, 18th Crossing Comment
  CAS-BOT-BC76247  Darlingtonia californica J. H. Thomas 1949-6-16 959 Siskiyou Between Fort Jones and Etna. Comment
  CAS-BOT-BC420665  Darmera peltata Elmer I. Applegate 1895-5-29 589 Siskiyou Sacramento River below Sisson Comment
  CAS-BOT-BC141835  Dasiphora fruticosa L. E. Smith 1913-9-1 553 Siskiyou Mt. Eddy Comment
  RSA15800  Datura stramonium Carl B. Wolf 1927-8-26 1051 Siskiyou Klamath River. 3 miles below Gottenville P.O. Comment
  UC1334523  Delphinium andersonii G. A. L. Mehlquist and J. A. Jenkins 1940-5-30 18 Siskiyou sw-facing slope Sconchin Butte Comment
  CAS-BOT-BC8752  Delphinium glaucum W. R. Dudley 1901-8-26 s.n. Siskiyou Jackson's Lake Comment
  RSA0125557  Delphinium glaucum Gilbert Muth 1969-8-11 1365 Siskiyou Ridge south of Boulder Peak. 2317 Comment
  SEINET3159328  Delphinium nudicaule G. D. Butler 1910-5-7 1299 Siskiyou near Yreka Comment
  UC563986  Delphinium nudicaule Elmer I. Applegate 1935-6-6 9376 Siskiyou sw base Caldwell Butte; Lava Beds National Monument Comment
  CAS-BOT-BC9888  Delphinium nudicaule Elmer Ivan Applegate 1935-6-6 9376 Siskiyou South base of Caldwell Butte, Lava Beds National Monument Comment
  POM99313  Delphinium nudicaule Geo. D. Butler 1909-4-18 599 Siskiyou Humbey Mt. 1220 Comment
  UC375267  Delphinium nudicaule Geo. D. Butler 1909-4-18 599 Siskiyou Humbug Mountain Comment
  CAS-BOT-BC116154  Delphinium nuttallianum Alice Eastwood 1921-7-24 10744 Siskiyou Castle Lake Comment
  JEPS19761  Delphinium nuttallianum Rimo Bacigalupi with S. Galen Smith 1957-6-26 5950 Siskiyou Gumboot Lake South Fork of Trinity River (s end, head of river, close to Trinity Co. line) 1859 Comment
  SJSU6056  Delphinium nuttallianum R. W. Trivelpiece 1971-6-16 36 Siskiyou N of Alder Cr divide between The Whaleback & Haight Mt c. 15 mi N of Mt Shasta 1676 Comment
  CAS-BOT-BC118069  Delphinium nuttallianum H. E. Brown 1897-6-11 s.n. Siskiyou North side Mt. Shasta 2743 Comment
  HSC77020  Delphinium nuttallianum K. T. Stillman 1976-6-25 57 Siskiyou Marble Mtn. Wilderness Area, top of Marble Mtn. 2073 Comment
  UC69612  Delphinium variegatum subsp. variegatum F. W. Hooper Siskiyou Little Shasta Valley. Comment
  CAS-BOT-BC201935  Deschampsia elongata Geo. D. Butler 1910-7-7 1769 Siskiyou Shackleford Creek 1219 Comment
  HSC26620  Deschampsia elongata J. P. Smith, Steve Selva 1970-6-16 4049 Siskiyou 7 mi. W of Etna on road to Sawyers Bar. 1280 Comment
  HSC65587  Deschampsia elongata Donald W. Miles 1979-7-18 18 Siskiyou "Midway up Lookout Point, on short logging spur off of Medicine Lake Rd., 11 mi. N of Bartle." 1555 Comment
  RSA12630  Deschampsia elongata C. B. Wolf 1934-7-4 5955 Siskiyou 6 8/10 mi. from Dry Lake Lookout, on rd. to Horse Creek, Siskiyou Mts. 1829 Comment
  RSA238395  Deschampsia elongata Frederick W. Oettinger 1969-9-4 1633 Siskiyou East side of Hancock Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1936 Comment
  POM369568  Descurainia incana subsp. viscosa M. B. Dunkle 1944-7-7 9081 Siskiyou Deer Creek 1768 Comment
  RSA47781  Descurainia pinnata subsp. filipes Roxana S. Ferris, Laura Lorraine 11829 Siskiyou Gazelle Mountain grade, road between Callahan and Gazelle. 1500 Comment
  CAS-BOT-BC43267  Descurainia pinnata subsp. glabra R. E. Frenkel 1963-7-13 257 Siskiyou On Everitt Memorial Highway, 0.4 mile north of McCloud River RailRoad crossing near Mount Shasta. 1176 Comment
  CHSC106267  Descurainia sophia Lowell Ahart; John Dittes 2010-7-30 16942 Siskiyou About 5 yards south of the Shasta River, about 10 yards east of the East Louie Road Bridge, Shasta Big Springs Ranch, 1.6 miles (air) southwest of Big Springs Lake, 4.6 miles (air) northwest of Dwinnel Dam, 5.7 miles (air) southeast of Grenada. 716 Comment
  CAS-BOT-BC43517  Descurainia sophia A. A. Heller 1916-6-22 12425 Siskiyou Near Sisson. 1074 Comment
  UCD114224  Dicentra formosa subsp. formosa John 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
  UCSB24989  Dicentra pauciflora Keefe, Joseph 1967-7-11 Siskiyou Along trail to Little Castle Lake, 1.0 mile southeast of Castle Lake, 10 miles south of city of Mt. Shasta 1828 Comment
  CAS-BOT-BC502187  Dichelostemma ida-maia Clarence R. Quick 1958-6-17 58 -18 Siskiyou Occasional on brushy slope near Black Bear SUmmit south of Sawyer's Bar, on ridge road to Cecilville 1356 Comment
  CAS-BOT-BC502224  Dichelostemma ida-maia Geo. D. Butler 1909-7-15 889 Siskiyou Salmon Range 1828 Comment
  CAS-BOT-BC500996  Dichelostemma multiflorum Roxana S. Ferris; Laura Lorraine 1948-6-12 11784 Siskiyou Outskirts of Etna Comment
  POM109924  Dichelostemma multiflorum Geo D. Butler 1909-5-15 789 Siskiyou Shasta River hills. Comment
  CAS-BOT-BC291013  Dieteria canescens var. shastensis Alice Eastwood 1912-9-1 2070 Siskiyou Mount Shasta Comment
  UC1408805  Dieteria canescens var. shastensis Robert F. Thorne and Fred Oettinger 1969-8-10 38945 Siskiyou along Ski Bowl Road (sw slope of Mt. Shata, Mt. Shasta National Forest); Mt. Shasta National Forest, sw slope of Mt. Shasta 1280 Comment
  CAS-BOT-BC291014  Dieteria canescens var. shastensis Alice Eastwood 1912-9-1 2074 Siskiyou Horse Camp, Mount Shasta Comment
  CAS-BOT-BC153648  Diplacus jepsonii Elmer I. Applegate 1923-8-18 3882 Siskiyou Medicine Lake Comment
  CHSC1777  Diplacus layneae M. Yoder 1941-7-12 Siskiyou Castle Lake. 1981 Comment
  JEPS8800  Dipsacus fullonum W. L. Kleaver 1915-5-31 1 Siskiyou Yreka Comment
  SDSU5840  Dipsacus sativus D. F. Howe 1962-8-5 3260 Siskiyou 56.8 miles east of Happy Camp on #96. 610 Comment
  RSA461942  Dodecatheon A. C. Life 1924-3-22 14602 Siskiyou Camp Meeker-foot of Mt. Shasta. Comment
  UC1409478  Dodecatheon alpinum Frederick W. Oettinger 1969-7-10 965 Siskiyou high lake basins in the vicinity English Peak (sw side of Upper English Lake); Marble Mountain Wilderness Area, Salmon Mountains 1767 Comment
  UC22358  Dodecatheon alpinum Harley P. Chandler June, 1901 1572 Siskiyou near Marble Mountain; North Coast Ranges, near Marble Mountain 1828 Comment
  RSA238728  Dodecatheon alpinum subsp. majus Frederick W. Oettinger 1969-9-4 1672 Siskiyou In wet boreal meadow below Tom Taylor Cabin Springs. Salmon Mtns. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2043 Comment
  SEINET3163991  Dodecatheon jeffreyi G. D. Butler 1910-6-5 1522 Siskiyou Loy Lake; Shackleford Creek Comment
  SJSU6531  Dodecatheon jeffreyi R. W. Trivelpiece 1973-6-21 147 Siskiyou Big Duck L, Scott R drainage c. 7.5 mi W of Callahan 2042 Comment
  HSC29258  Dodecatheon jeffreyi Frederick W. Oettinger 1968-8-3 380 Siskiyou High Lake Basins near English Peak; Marble Mtn. Wilderness Area: At 'Base Camp Meadow' between Diamond and Hancock Lakes 201 Comment
  HSC44586  Dodecatheon jeffreyi Laura Witherspoon 1977-8-8 Siskiyou Flint Valley 1220 Comment
  UC1142647  Downingia pulcherrima Rimo C. Bacigalupi with L. Constance and M. Hiroe 1956-6-9 5696 Siskiyou 1.5. mi wnw Weed (along U.S. Highway 99, in the s reaches of Shasta Valley); Shasta Valley 975 Comment
  RSA237280  Draba howellii Frederick W. Oettinger 1968-9-1 646 Siskiyou South of Abbott s Lake. Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1799 Comment
  UC166132  Draba nemorosa Geo. D. Butler 1910-4-10 1162 Siskiyou near Yreka; near Yreka Comment
  CAS-BOT-BC210237  Draba pterosperma Dana York 2011-8-12 3038 Siskiyou Marble Mountain Wilderness. Klamath National Forest, Marble Mountain 2075 Comment
  CAS-BOT-BC41305  Draba pterosperma John Thomas Howell 1939-8-4 15038 Siskiyou Marble Mountains. Marble Rim. Comment
  UCR37813  Draba pterosperma K. T. Stillman 1976-7-30 318 Siskiyou Marble Mtn Wilderness Area, ridge top just north of Black Mt. 2104 Comment
  UC856213  Draba verna Louis C. Wheeler 1935-4-18 3430 Siskiyou Greenhorn Creek Siskiyou Mts., Greenhorn Creek 1005 Comment
  UC1114140  Draba verna Gene B. Newcomb and H. G. Baker Mar 28 1959-Mar 29 1959 231 Siskiyou on the road to Callahan 7.8 mi from Gazelle (at the point where the road first crosses Willow Creek); Willow Creek, 7.8 mi from Gazelle 1066 Comment
  CAS-BOT-BC438787  Drosera anglica Dana York 2011-9-9 3090 Siskiyou Marble Mountain Wilderness. Klamath National Forest, a few meters inside Marble Mountain Wilderness at Isinglass Lake. 1985 Comment
  HSC62264  Drymocallis ashlandica Al Hobart 1968-6-13 Siskiyou Youngs Valley Comment
  UC1409376  Drymocallis lactea var. austiniae Frederick W. Oettinger 1969-7-13 1002 Siskiyou moist meadow n Upper English Lake (High Lake Basins in the vicinity of English Peak, Marble Mountain Wilderness Area, w Siskiyou County); Salmon Mountains, Marble Mountain Wilderness Area, English P 1950 Comment
  CAS-BOT-BC159288  Drymocallis lactea var. lactea Geo. D. Butler 1910-7-8 1658 Siskiyou Shackleford Creek 1371 Comment
  CAS-BOT-BC159291  Drymocallis lactea var. lactea Gilbert Muth 1966-7-31 470 Siskiyou North side of Black Mountain, Marble Mts. 1981 Comment
  HSC45014  Drymocallis pseudorupestris var. pseudorupestris J. O. Sawyer 1978-6-16 3220 Siskiyou Marble Mtn. Wilderness Area; in Upper Elk Valley 1921 Comment
  CAS-BOT-BC158412  Drymocallis pseudorupestris var. saxicola Wm. Bridge Cooke 1939-8-22 13829 Siskiyou Along Horse Camp Creek Comment
  UC1597992  Dryopteris arguta Alan R. Smith with Christopher Richard, C. Don MacNeill, and Bernard Stoffel 1993-5-9 2550 Siskiyou ca. 1 mi n Hardin Butte (Jack William Cave along Powerline Rd, adjacent to Rd on E side); Lava Beds Nat'l Monument 1280 Comment
  CAS-BOT-BC113722  Eleocharis acicularis Louis C. Wheeler 1934-6-29 2827 Siskiyou Mucky, sunny meadow in Soda Creek, Sterling Mt. 1280 Comment
  HSC30714  Eleocharis quinqueflora Frederick W. Oettinger 1969-8-19 1453 Siskiyou Marble Mtn. Wilderness Area, due S of treeless area along ridge between David's Mtn. and Abbott's Lake Basin, on Old Tanner's Peak Trail 1905 Comment
  CAS-BOT-BC112233  Eleocharis rostellata W. R. Dudley 1893-6-21 s.n. Siskiyou Peter Klinks Meadow Comment
  HSC100862  Elymus caput-medusae J. P. Smith, J. O. Sawyer & R. J. Cole 2010-7-11 12997 Siskiyou Gazelle- Callahan Road. 1233 Comment
  HSC64370  Elymus caput-medusae Don Bateman 1980-6-19 Siskiyou 930 Comment
  CAS-BOT-BC227912  Elymus elymoides Louis C. Wheeler 1934-8-6 3057 Siskiyou Klamath National Forest. Rock Gulch 1828 Comment
  RSA238986  Elymus elymoides Frederick W. Oettinger 1968-8-8 456 Siskiyou Crapo Meadow. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2165 Comment
  HSC69006  Elymus glaucus Maralyn A. Renner 1980-7-24 2131 Siskiyou Pacific Crest Trail, 0.25 mi. SW of Cook and Green Pass. 1494 Comment
  HSC9700  Elymus glaucus L. C. Wheeler 1934-8-14 3143 Siskiyou Siskiyou Mtn., Mt. Diablo Mer., east end of White Mtn. 1768 Comment
  CHSC86462  Elymus multisetus Jenny Marr 1993-7-1 79 Siskiyou Butte Valley Wildlife Area, +/- 7 air miles NW of the town of MacDoel. Meadow NE of Meiss Lake. 1349 Comment
  UCD62473  Elymus multisetus Louis C. Wheeler 1934-10-21 3328 Siskiyou Shasta Valley, 4 miles E Grenada. 868 Comment
  HSC39091  Elymus repens A. M. Montalvo, J. D. Ackerman 1974-7-2 345 Siskiyou E slope of Mt. Eddy, near Morgan Meadows, W of Mt Shasta City. Comment
  HSC102715  Elymus stebbinsii J. P. Smith 2013-6-18 13748 Siskiyou Along Copco Road west of its junction with Age Road. 650 Comment
  RSA105339  Epilobium angustifolium subsp. circumvagum Douglas Barbe 1955-7-5 104 Siskiyou 5 miles north of Etna on Greenview Road 884 Comment
  UC204380  Epilobium brachycarpum A. A. Heller 1914-8-25 11706 Siskiyou near Deetz Station (opposite Black Butte) 1158 Comment
  JEPS121626  Epilobium ciliatum Kendra Sikes 2011-8-24 Siskiyou Headwaters of Fawn Creek, east slope of the Eddys. Gently sloping wet meadow / fen on ultramafic soil; N aspect. Mumbo Basin quadrangle. FCS-1D Comment
  UC873277  Epilobium ciliatum subsp. ciliatum A. A. Heller 1915-8-24 12213 Siskiyou Metcalf's Ranch Mt. Eddy (ne base of mt.) 1188 Comment
  HSC29131  Epilobium ciliatum subsp. glandulosum Frederick W. Oettinger, R. F. Thorne 1969-8-8 1305 Siskiyou Marble Mtn. Wilderness Area, Sundew Bog near English Lake 1829 Comment
  RSA184734  Epilobium ciliatum subsp. glandulosum Gilbert Muth 1966-8-1 483 Siskiyou Marble Valley Horse Pasture, Marble Mountains. 1793 Comment
  JEPS38189  Epilobium densiflorum Willis L. Jepson Jul 24 1894-Aug 10 1894 14391 Siskiyou Sisson Region of the Upper Sacramento Comment
  UC873155  Epilobium densiflorum A. A. Heller 1916-7-20 12478 Siskiyou ne base of mt. Mt. Eddy, Metcalf's Ranch 1188 Comment
  HSC67678  Epilobium glaberrimum John S. Palmer 1980-7-24 599 Siskiyou Elk Hole 1503 Comment
  HSC69108  Epilobium glaberrimum Maralyn A. Renner 1980-8-6 2298 Siskiyou Cracker Meadow 1555 Comment
  RSA600375  Epilobium glaberrimum Louis C. Wheeler 1935-7-23 3683 Siskiyou Siskiyou Mountains: Mt. Diablo Mer.; Mud Springs, Middlehell Creek. 2012 Comment
  HSC213  Epilobium hallianum William J. Ferlatte 1966-6-22 95 Siskiyou Along the S Fork of the Salmon River, between the campground and Carter's 1524 Comment
  RSA237391  Epilobium lactiflorum Frederick W. Oettinger 1969-9-2 1595 -a Siskiyou On the cool north side of English Peak. Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2165 Comment
  HSC33998  Epilobium minutum J. P. Smith 1974-5-25 7486 Siskiyou Along Rd. 8, 4.7 mi. W of its junction with Hwy. 3 1159 Comment
  UC164471  Epilobium minutum Geo. D. Butler 1909-6-13 927 Siskiyou Moffitt Creek Comment
  UC726396  Epilobium minutum A. A. Heller 1919-6-25 13263 Siskiyou Compton's Prairie Comment
  JEPS84191  Epilobium obcordatum L. R. Heckard with S. D'Alcamo, J. Hickman, S. Winchester 1986-7-16 6405 Siskiyou cirque at head of canyon Hell's Canyon (ca 5 mi n of town of Seiad Valley) 1750 Comment
  UC204402  Epilobium oreganum A. A. Heller 1914-8-25 11712 Siskiyou near Deetz station (opposite Black Butte) 1158 Comment
  RSA237393  Epilobium oregonense Frederick W. Oettinger 1968-9-7 758 Siskiyou Near Tobacco Lake. The Salmon Mountains, the High Lake Basins in the vicinity of English Peak, Marble Mountain Wilderness Area 1890 Comment
  SD61057  Epilobium paniculatum Darley F. Howe 1964-8-5 3940 Siskiyou 3.7 miles south of north entrance to Klamouth National Forest on Highway 97. 1584 Comment
  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
  RSA639597  Equisetum hyemale var. affine L. C. Wheeler 1934-7-12 2902 Siskiyou Cottonwood Creek, Siskiyou Mtns. (Mt Diablo Mer.) 1220 Comment
  UC1045285  Equisetum laevigatum W. Bridge Cooke 1940-6-7 15088 Siskiyou just n Mts. Shasta city (along US 99) Comment
  UC1096837  Equisetum laevigatum Barbe 1957-7-13 376 Siskiyou w. side of camp Big Flat Public Camp (along footpath leading to spring); Klamath Nat'l Forest 1524 Comment
  UC637171  Equisetum laevigatum Edward Lee 1934-8-10 1201 Siskiyou near Hamburg (s bank Klamath River, between McKinney and Parkhouse Creeks) 609 Comment
  HSC26547  Eragrostis cilianensis J. P. Smith, Steve Selva 1970-7-16 4402 Siskiyou 1 mi. E of O'Neill Campground 579 Comment
  UCR142758  Eragrostis cilianensis L. C. Wheeler 1934-10-24 3346 Siskiyou Siskiyou Mtns, Oak Knoll Ranger Station, Klamath River 671 Comment
  HSC77115  Eremogone congesta K. T. Stillman 1976-6-25 94 Siskiyou Marble Mtn. Wilderness Area, between Marble Gap and Elk Valley Trail Comment
  SEINET7846091 Image available Ericameria bloomeri G. D. Butler 1910-8-7 1823 Siskiyou Humbug Mountain 1219 Comment
  HSC92593  Ericameria greenei Jennifer Whipple 1976-9-3 1786 Siskiyou W-facing slope of the ridge between Durney Lake and Little Crater Lake 2195 Comment
  CAS-BOT-BC298253  Ericameria nauseosa var. oreophila Peter H. Raven 1956-9-5 10464 Siskiyou North Fork of the Sacramento River 1828 Comment
  CAS-BOT-BC294303  Ericameria nauseosa var. speciosa Doris K. Kildale 1929-8-24 8815 Siskiyou Preston Peak 2225 Comment
  CAS-BOT-BC294304  Ericameria nauseosa var. speciosa E. B. Copeland 1903-10-10 3785 Siskiyou Mt. Eddy 2225 Comment
  RSA790000  Ericameria nauseosa var. speciosa Rebecca Wenk 2008-8-31 989 Siskiyou South Fork of Salmon River, Yellow Rose Mine above Big Flat Meadow. 1982 Comment
  UC618706  Ericameria nauseosa var. speciosa unknown 1938-8-5 11451 Siskiyou near MacBride Springs; Mount Shasta, Diller Canyon 1524 Comment
  CAS-BOT-BC293501  Erigeron aliceae Doris K. Kildale 1928-8-19 6577 a Siskiyou Hancock Lake on trail to Marble Mt. 2133 Comment
  HSC2269  Erigeron aliceae Geo. D. Butler 1910-7-8 1657 Siskiyou Shackleford Creek 1372 Comment
  UC127574  Erigeron aliceae Harley P. Chandler 1901-6-1 1628 Siskiyou ridges and meadows near Marble Mountain; North Coast Ranges Comment
  JEPS84326  Erigeron aliceae L. R. Heckard with J. Hickman et al. 1986-7-17 6478 Siskiyou ca 5 mi n of the town Seiad Valley (above and w of Lily Pad Lake) Comment
  POM253603  Erigeron aliceae C. L. Hitchcock, J. S. Martin 1939-7-6 5202 Siskiyou Siskiyou Mts., 2 miles within California boundary on Takilma-Happy Camp Road 1555 Comment
  POM357568  Erigeron aliceae M. B. Dunkle 1944-08 9298 Siskiyou Marble Mts. 2439 Comment
  UC485174  Erigeron aphanactis var. aphanactis M. K. Curran 1887-7-1 Siskiyou Edgewood Comment
  UC609333  Erigeron bloomeri var. bloomeri Eleanor Burks Hart 1938-8-18 932 Siskiyou Boulder Peak 2529 Comment
  HSC41054  Erigeron cervinus J. O. Sawyer 1969-7-9 1108 Siskiyou Dry slope above Little Duck Lake. Grandiorite 2012 Comment
  JEPS33854  Erigeron chrysopsidis var. austiniae Gilbert Muth 1966-7-22 436 Siskiyou Marble Rim Marble Mt. Wilderness Area 2194 Comment
  CAS-BOT-BC297111  Erigeron compositus W. R. Dudley 1899-8-26 s.n. Siskiyou Mt. Eddy Comment
  NY168441  Erigeron copelandii E. B. Copeland 09 1903 s.n. Siskiyou Mt. Eddy 1249.7 Comment
  JEPS22365  Erigeron filifolius W. L. Jepson 1940-6-23 20008 Siskiyou n Mt. Shasta; Andesite station 975 Comment
  CAS-BOT-BC300472  Erigeron filifolius Edwin B. Copeland 1903-9-8 s.n. Siskiyou Foot of Mt. Eddy 1219 Comment
  CDA4952  Erigeron inornatus T. C. Fuller 1967-8-14 16258 Siskiyou Road to McCloud Reservoir, 2 miles south of McCloud. 0 Comment
  CAS-BOT-BC295425  Erigeron inornatus var. calidipetris H. Dearing; M. Dearing 1938-6-28 2179 Siskiyou Fowler Camp, McCloud River Comment
  UC630402  Erigeron inornatus var. inornatus Annetta Carter 1939-8-21 1474 Siskiyou near crest of peak above se end of Taylor Lake (12 mi sw of Etna); Salmon Mountains 2286 Comment
  JEPS89705  Erigeron klamathensis Dean William Taylor 1972-7-3 1599 Siskiyou at Cook and Green Pass Cook and Green Pass 1371 Comment
  RSA238772  Erigeron klamathensis Frederick W. Oettinger 1968-8-19 588 Siskiyou Along trail near gap in ridge between Toms and Hancock Lake basins. High Lake Basins in the vicinity of English Peak, Marble Mountain Wilderness Area 2146 Comment
  RSA259554  Erigeron petrophilus var. viscidulus J. P. Smith, J. O. Sawyer 1973-8-14 7305 Siskiyou On trail from Campbell Lake to Cliff Lake. 1828 Comment
  HSC65825  Erigeron petrophilus var. viscidulus D. Reed 1980-8-6 285 Siskiyou Klamath National Forest, rocky knoll S of Tom Martin Peak 1982 Comment
  CAS-BOT-BC300095  Erigeron philadelphicus L. B. Kildale 1930-5-31 9806 Siskiyou Island in Klamath River near Hornbrook Comment
  HSC44483  Erigeron philadelphicus K. Irwin 1977-5-22 396 Siskiyou On S Fork Salmon River Rd., 4.5 mi. W of Cecilville Comment
  POM39278  Erigeron pumilus subsp. intermedius Geo. D. Butler 1910-6-3 1471 Siskiyou Quartz Valley. Comment
  UC896031  Erigeron pumilus var. intermedius A. A. Heller 1938-7-12 15261 a Siskiyou near the e base of Deer mountain 1371 Comment
  JEPS23  Eriodictyon californicum W. L. Jepson 1940-6-22 19975 Siskiyou Shasta River near Hawkinsville 792 Comment
  RSA24218  Eriodictyon californicum Carl B. Wolf 1940-12-12 9799 Siskiyou Siskiyou Mountains 1 mile above Oak Knoll Ranger Station on road to Dry Lake Lookout. 762 Comment
  SEINET5495491  Eriodictyon californicum G. Butler 1910-5-25 1405 Siskiyou Near Yreka Comment
  UCSB24926  Eriodictyon lobbii Keefe, Joseph 1967-7-11 Siskiyou Roadside, 0.5 mile north of Castle Lake, 10 miles southwest of town of Mt. Shasta 1676 Comment
  UC634601  Eriogonum compositum var. compositum Mable Ruttle 1927-6-5 Siskiyou s slopes of Siskiyou Mts. Siskiyou Mts. Comment
  CAS-BOT-BC242533  Eriogonum congdonii Dorothy Parker 1948-8-19 222 Siskiyou Near Chinquapin, on Scott Mountain 1524 Comment
  JEPS116585  Eriogonum congdonii Julie Kierstead Nelson with Rhonda Posey, Ross Olson 2007-8-1 2007 -028 Siskiyou The Eddys, west of Mt. Shasta. East of Toad Lake trailhead, terminus of Forest Service Rd 40N64 headwaters of Middle Fork of upper Sacramento River. Mt. Eddy 2051 Comment
  UC375311  Eriogonum elatum Geo. D. Butler 1908-8-4 210 Siskiyou head of Shackleford Creek Shackleford Creek Comment
  UC909325  Eriogonum elatum Dorothy Parker 1948-8-5 172 Siskiyou dry rocky and sandy field, e. fork of Scott River Plowman's Valley, e. fork of Scott River 1188 Comment
  CAS-BOT-BC255762  Eriogonum elatum var. villosum John Thomas Howell 1939-8-2 14885 Siskiyou Spirit Lake, Marble Mts. 1828 Comment
  JEPS125891  Eriogonum libertini Dean W. Taylor Jun 181996 15694 Siskiyou Shasta Trinity National Forest; Scott Mountains, bordering Shasta Valley, hillslopes about 4 miles S of Gazelle. Comment
  RSA264975  Eriogonum lobbii var. lobbii Gilbert Muth 1975-7-31 6034 Siskiyou Near Kangaroo Mountain, near Seiad Valley. 1919 Comment
  POM105148  Eriogonum luteolum Geo. D. Butler 1910-6-17 1572 Siskiyou Near Yreka Comment
  POM208193  Eriogonum luteolum Louis C. Wheeler 1934-6-28 2811 Siskiyou Siskiyou Mountains: Beaver Creek at West Fork. 701 Comment
  CAS-BOT-BC263658  Eriogonum luteolum var. luteolum A. A. Heller 1917-9-7 12975 Siskiyou Klamath River above the mouth of the Shasta River Comment
  LA206908  Eriogonum luteolum var. luteolum Louis C. Wheeler; 1934-6-28 2811 Siskiyou Siskiyou Mountains, Beaver Creek at West Fork 701 Comment
  SJSU9507  Eriogonum marifolium M. D. Fleschner 1965-7-23 Siskiyou above Horse Camp on SW side Mt Shasta 2438 Comment
  SEINET10970703  Eriogonum marifolium Mary Susan Taylor 1980-8-18 Taylor 3260 Siskiyou T43N R2E ne sec 14, Medicine Lake quad. Shasta-Trinity Natl Forest, Pumice Stone Well, in pumice, ca. 0.5 mi N of Pumice Stone Mountain. With J. Prouty & E. Heinz. 1951 Comment
  HSC24687  Eriogonum nudum var. nudum J. O. Sawyer 1969-7-9 1203 Siskiyou Near C.C.C. road, N of Sugar Creek 1433 Comment
  SBBG83721  Eriogonum nudum var. pubiflorum D. Koutnik, M. Townsend 1979-9-10 592 Siskiyou 5 mi SW of Yreka on Fort Jones Rd 914 Comment
  CAS-BOT-BC252963  Eriogonum pyrolifolium var. pyrolifolium Alice Eastwood 1912-9-1 2075 Siskiyou Mount Shasta Comment
  CAS-BOT-BC252964  Eriogonum pyrolifolium var. pyrolifolium Wm. Bridge Cooke 1938-7-28 11372 Siskiyou North Ridges, Mount Shasta 2743 Comment
  RSA331950  Eriogonum pyrolifolium var. pyrolifolium Dave Kelly, Walter Wisura 1985-7-31 4086 Siskiyou Mount Shasta, end of Everitt Memorial Hwy Comment
  HSC27766  Eriogonum roseum J. P. Smith, J. O. Sawyer 1972-9-14 5794 Siskiyou Miner's Creek Rd. just S of French Creek Rd. between Callahan and Etna. 915 Comment
  CAS-BOT-BC267710  Eriogonum roseum Doris K. Kildale 1928-7-25 5872 Siskiyou Klamath River between Brown's Resort of Gottville 579 Comment
  JEPS105024  Eriogonum siskiyouense Dean W. Taylor 1996-7-25 15835 Siskiyou Scott Mtns., on watershed divide between Crater Creek drainage and Mountain House Creek drainage (about 15 air miles west of Weed); Klamath National Forest 1645 Comment
  RSA93409  Eriogonum spergulinum var. reddingianum M. S. Baker, H. K. Wagnon 1953-7-11 12831 Siskiyou 1.9 mi. above Whitlock Camp in open forest. 1372 Comment
  RSA98052  Eriogonum spergulinum var. reddingianum W. Bridge Cooke 1954-7-5 s.n. Siskiyou Military Pass road. Mt. Shasta. 1829 Comment
  POM105613  Eriogonum sphaerocephalum Geo. D. Butler 1910-5-27 1428 Siskiyou Dry hill Yreka. Comment
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Jan 23 2011
  UC164466  Eriogonum sphaerocephalum var. halimioides Geo. D. Butler May 10 1909-Jun 6 1909 721 Siskiyou Yreka Comment
  CAS-BOT-BC262762  Eriogonum strictum var. anserinum Geo. D. Butler 1910-6-21 1597 Siskiyou Yreka Comment
  HSC43454  Eriogonum strictum var. proliferum Jennifer Whipple 1976-8-20 1708 Siskiyou Summit region of Mt. Eddy 2591 Comment
  UC164295  Eriogonum strictum var. proliferum Geo. D. Butler 1910-5-27 1417 Siskiyou near Yreka Comment
  CAS-BOT-BC267929  Eriogonum umbellatum Dr. E. B. Copeland 1903-7-6 3496 Siskiyou Hornbrook Comment
  CAS-BOT-BC267950  Eriogonum umbellatum Elmer I. Applegate 1935-6-11 9503 Siskiyou Upper Ice Cave area, Lava Beds National Monument Comment
  UCD129465  Eriogonum umbellatum Beecher Crampton 1956-8-21 3841 Siskiyou above the Sacramento River, just below the junction of the middle with the south Fork. 1112 Comment
  CAS-BOT-BC267996  Eriogonum umbellatum var. argus Edward Lee 1934-8-14 1103 Siskiyou Little Grayback, Siskiyou-Del Norte County line 1868 Comment
  HSC17363  Eriogonum umbellatum var. argus Jerry Parker 1969-10-6 133 Siskiyou Ridge above High Lake 2134 Comment
  SD76184  Eriogonum umbellatum var. argus Helen V. Witham 1969-10-6 554 Siskiyou Dry slope above Kangaroo Lake, Scott Mountains 2400 Comment
  UC637042  Eriogonum umbellatum var. argus Edward Lee 1934-8-14 1103 Siskiyou summit of Little Grayback, Siskiyou-Del Norte County line Little Grayback 1868 Comment
  JEPS101145  Eriogonum umbellatum var. bahiiforme Dean W. Taylor 1996-6-20 15718 Siskiyou ridge dividing upper Noyes Valley Creek from Meadow Creek (ca. 20 air miles SW of Yreka) 1542 Comment
  JEPS40862  Eriogonum umbellatum var. dumosum Paul C. Hutchison 1962-8-3 944 Siskiyou just east, between Grasshopper Flat and Little Medicine Lake Paint Pot Crater 1783 Comment
  RSA50154  Eriogonum umbellatum var. dumosum E. K. Balls 1949-7-10 13061 Siskiyou 8 miles from Sawyers Bar on way to Cecilville. 793 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
  CAS-BOT-BC268157  Eriogonum umbellatum var. humistratum Mrs. H. P. Bracelin 1931-6-21 455 Siskiyou North side of Mt. Eddy above Dobkin's Lake 2133 Comment
  HSC43429  Eriogonum umbellatum var. humistratum Jennifer Whipple 1976-9-3 1774 Siskiyou E facing slopes near Little Crater Lake 2195 Comment
  JEPS85704  Eriogonum umbellatum var. humistratum Roger Raiche 1983-8-14 30613 Siskiyou fell-field slope near summit of road to Mt. Eddy ((A.K.A. road to Dead Fall Meadow, Park Creek Road, or Forest Road 42N17)) 2133 Comment
  RSA50190  Eriogonum umbellatum var. humistratum E. K. Balls 1949-7-8 13914 Siskiyou Trail from Scott Mountain Camp to Carmen Lake; Scott Mountain. 1753 Comment
  CAS-BOT-BC435531  Eriogonum umbellatum var. lautum James L. Reveal 2001-7-19 8348 Siskiyou Scott Valley, along South Kidder Creek Road, 0.5mi WSW of Ca. Hwy 3, about 6.1 air miles SW of Fort Jones and 5.7 air mi N of Etna 868 Comment
  SBBG25875  Eriogonum umbellatum var. modocense D. Myrick 1966-8-7 1486 Siskiyou near Lake Josephine, Mountain Meadow Ranch, Big Flat; Trinity Alps 1828 Comment
  POM165271  Eriogonum umbellatum var. polyanthum E. B. Copeland 1903-7-6 3496 Siskiyou Hornbrook. Comment
  LA105219  Eriogonum umbellatum var. umbellatum Steve Morgan; 1987-7-28 sn Siskiyou Mount Shasta, Shasta Trinity National Forest, McGinnis Springs, 5 mi. NW of McCloud Comment
  CAS-BOT-BC262381  Eriogonum vimineum Elmer I. Applegate 1935-8-3 10007 Siskiyou North base of Caldwell Butte, Lava Beds National Monument Comment
  RSA622148  Eriogonum vimineum James L. Reveal, Coroline G. Reveal 1974-8-17 3796 Siskiyou Along California Highway 3, 4.5 mi. east of Callahan and 2.5 southeast of the junction with the county road to Gazeele 1372 Comment
  CHSC4651  Eriophyllum lanatum R. Carter 1966-5-15 403 Siskiyou One mile E of Callahan on N side of Callahan-Gazelle Rd. Opposite a small meadow. 914 Comment
  CAS-BOT-BC301126  Eriophyllum lanatum var. achilleoides David D. Keck 1953-7-31 6535 Siskiyou Deer Mountain Service Station, 3.5 mi. S. of Grass Lake Comment
  CAS-BOT-BC301132  Eriophyllum lanatum var. achilleoides Geo. D. Butler 1910-6-7 1532 Siskiyou McAdams Creek Comment
  UC507152  Eriophyllum lanatum var. achilleoides Lincoln Constance 1933-7-6 E 120 Siskiyou 5 mi s of Bray Comment
  CAS-BOT-BC301101  Eriophyllum lanatum var. achilleoides R. C. Barneby 1954-5-16 11506 Siskiyou Along Klamath R., 5 1/2 mi. upstream from Klamath River P. O. 548 Comment
  CAS-BOT-BC301452  Eriophyllum lanatum var. grandiflorum Alice Eastwood 1912-7-17 1193 Siskiyou Sisson Comment
  UC796438  Eriophyllum lanatum var. integrifolium Roxana S. Ferris and Laura Lorraine Jun 12 1948-Jun 16 1948 11860 Siskiyou 2.4 mi below summit Gazelle Mt. Grade (e side) 1417 Comment
  CAS-BOT-BC301726  Eriophyllum lanatum var. lanceolatum Gilbert Muth 1965-7-29 s.n. Siskiyou Trail to Marble Mt. Lookout Comment
  HSC41804  Eriophyllum lanatum var. lanceolatum Brent Whiteley 1975-6-24 60 Siskiyou Near Somes Bar along Salmon River Rd. 235 Comment
  UC166140  Eruca vesicaria subsp. sativa Geo. D. Butler 1908-6-20 1050 Siskiyou Yreka, field near Comment
  UC1559630  Eryngium articulatum Beth Corbin 1989-8-8 530 Siskiyou ca. 15 air mi. n. Fall R. Mills (Adobe Flat); Adobe Flat 1097 Comment
  CAS-BOT-BC54579  Erysimum capitatum Doris K. Kildale 1929-7-20 8584 Siskiyou East spur Preston Peak above Rockefeller Lake. 2133 Comment
  CAS-BOT-BC54589  Erysimum capitatum Carl B. Wolf 1927-8-27 1128 Siskiyou On the Klamath River, 7 miles below Happy Camp. Comment
  RSA183656  Erysimum capitatum var. perenne Gilbert Muth 1965-8-6 182 Siskiyou Marble Mountains; backside of Black Mountain Comment
  RSA238397  Erysimum capitatum var. perenne Frederick W. Oettinger 1967-8-14 271 Siskiyou Near English Peak Lookout. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2207 Comment
  RSA262447  Erysimum capitatum var. perenne J. M. Tucker 1963-7-7 3717 Siskiyou In vicinity of Paradise Lake, at base of Kings Castle on the east side, Marble Mountain Wilderness Area. 1982 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
  CAS-BOT-BC55119  Erysimum perenne C. L. Hitchcock; J. S. Martin 1939-7-9 5313 Siskiyou Between King's Castle and Black Mountain. Northwest side of bridge. 1828 Comment
  CHSC33275  Erysimum repandum R. E. Preston 1981-5-2 61 Siskiyou On a roadside cut, ca. 50 m n of Camp Creek where it joins Irongate Reservoir, ca. 32 km ne of Yreka. 700 Comment
  CHSC86451  Erythranthe guttata Jenny Marr 1993-7-1 68 Siskiyou Butte Valley Wildlife Area, +/- 7 air miles NW of the town of MacDoel. Meadow NE of Meiss Lake. 1349 Comment
  RSA96730  Erythronium Percy C. Everett, E. K. Balls 1954-10-13 20283 Siskiyou Canyon Creek above junction of trails to Kangaroo Mountain and West Fork Seiad Creek, 6.6 miles northeast from Highway 96 671 Comment
  CAS-BOT-BC133269  Erythronium citrinum Geo. D. Butler 1909-4-24 661 Siskiyou Quartz Valley Comment
  CAS-BOT-BC403681  Eschscholzia californica Alice Eastwood No date on label 1955 Siskiyou Cantara Comment
  CAS-BOT-BC310449  Eucephalus engelmannii J. F. Emmel 1968-7-23 93 Siskiyou Caribou Lake, Trinity Alps 2072 Comment
  HSC76865  Eucephalus ledophyllus var. ledophyllus K. T. Stillman 1976-9-9 470 Siskiyou Marble Mtn. Wilderness Area, N, NE and E side of Black Mtn. Comment
  JEPS9608  Euonymus occidentalis var. occidentalis Geo. D. Butler 1908-8-22 407 Siskiyou Eldredge's corral Russian Creek 1219 Comment
  JEPS31916  Eurybia radulina H. W. Furlong Sep 1901 Siskiyou summit to Ager; Northern Siskiyou Co Comment
  SD64374  Euthamia occidentalis Darley F. Howe 1966-8-27 Siskiyou 3.2 miles north of Tule Lake 1310 Comment
  CAS-BOT-BC278733  Festuca idahoensis Louis C. Wheeler 1934-6-1 2658 Siskiyou Klamath National Forest, N. Hungry Creek 1219 Comment
  CAS-BOT-BC278734  Festuca idahoensis G. J. Muth 1969-8-10 1318 Siskiyou Ridge w. of Boulder Peak Comment
  CHSC91228  Festuca idahoensis Lowell Ahart; John Dittes 2005-6-10 12100 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
  HSC31142  Festuca idahoensis J. O. Sawyer 1971-8-20 2460 Siskiyou Near Buckhorn Spring on Big Ridge trail 1982 Comment
  HSC76770  Festuca idahoensis K. T. Stillman 1976-8-7 374 Siskiyou Marble Mtn. Wilderness Area, Box Camp Mtn. 2195 Comment
  LA13154  Festuca idahoensis C. L. Hitchcock; J. S. Martin 1939-7-9 5321 Siskiyou Marble Mountains, 0.5 mi SE of King's Castle 1828 Comment
  RSA582088  Festuca idahoensis L. C. Wheeler 1934-6-7 2658 Siskiyou North Hungry Creek. 1220 Comment
  UC593516  Festuca idahoensis E. B. Babcock, G. L. Stebbins Jr. 1936-6-11 1962 Siskiyou about 2 mi s Sheep Rock (on highway from Bray to Weed, n slope of Mt. Shasta); Mt. Shasta 1249 Comment
  CHSC105879  Festuca occidentalis Julie Kierstead Nelson 2008-7-12 2008 -003 Siskiyou South slope of Mt. Shasta in mixed conifer-black oak forest. 1325 Comment
  HSC19058  Festuca occidentalis J. O. Sawyer 1969-7-23 1185 Siskiyou Along road near Horse Range Creek. 1341 Comment
  HSC43047  Festuca occidentalis J. O. Sawyer, K. T. Stillman 1976-7-1 2774 Siskiyou Streamside terraces and lower slopes along the Little N Fork of the Salmon River. 732 Comment
  SJSU6493  Festuca occidentalis R. W. Trivelpiece 1972-6-14 110 Siskiyou Vann Creek near Bear Peak c. 15 mi directly SW of Happy Camp 1371 Comment
  UCD66152  Festuca occidentalis A. A. Heller 1916-6-23 12440 Siskiyou Near Black Butte north of Sisson. 1127 Comment
  UC618987  Festuca pratensis H. S. Yates 1936-6-21 5866 Siskiyou 6 mi n Gazelle; Yreka Quad. 792 Comment
  UCD66273  Festuca roemeri A. A. Beetle; G. L. Stebbins Jr. 1942-5-31 3431 Siskiyou 13 miles east of Hamburg, banks of Klamath River. Comment
  SBBG82381  Festuca rubra C. Bornstein 1996-6-29 Siskiyou Indian Well Cmpgrd, Lava Beds Nat Monument 1432 Comment
  UC1108537  Festuca subulata Ira L. Wiggins 1955-7-29 13591 Siskiyou 3.5 mi above South Fork of Salmon River (along Thompson Creek); Thompson Creek 1371 Comment
  HSC92061  Floerkea proserpinacoides Jennifer Whipple 1976-7-23 1527 Siskiyou Dale Creek drainage on the N face of Mt. Eddy 2195 Comment
  CAS-BOT-BC455953  Fragaria chiloensis L. N. Lorenzen No date on label 3 Siskiyou Shasta Forest. Van Brennan Wells. 1440 Comment
  UC154512  Fragaria vesca Harley P. Chandler Jun 1901 1558 Siskiyou near Marble Mountain (Klamath River to Marble Mountain); North Coast Ranges 1828 Comment
  CAS-BOT-BC59981  Frangula purshiana C. Hart Merriam 1919-9-24 s.n. Siskiyou Klamath Canyon, mouth of Shovel Creek. Comment
  CAS-BOT-BC60012  Frangula purshiana Elmer I. Applegate 1895-5-31 64 b Siskiyou Sisson, Mt. Shasta. Comment
  CHSC71323  Frangula rubra Vernon H. Oswald; Lowell Ahart 1998-6-11 9188 Siskiyou Shasta NF plantation on the west side of Hwy. 97 2.2 mi northeast of Lake Shastina-Big Springs Rd, northeast of Weed. 1066 Comment
  CAS-BOT-BC55714  Frangula rubra subsp. obtusissima Alice Eastwood 1923-5-23 11930 Siskiyou Cantara Comment
  CAS-BOT-BC55718  Frangula rubra subsp. obtusissima L. E. Smith 1913-6-29 s.n. Siskiyou Rainbow Comment
  JEPS116616  Frangula rubra subsp. rubra Julie Kierstead Nelson with Rhonda Posey 2007-6-15 2007 -009 Siskiyou North side of Mt. Shasta, south Hwy 97, along Forest Service Rd. 42N73 Hotlum Fire area burned Feb 2006 ca. 4 mi NE town of Weed Mt. Shasta 1090 Comment
  RSA576954  Fraxinus latifolia Louis C. Wheeler 1934-9-15 3262 Siskiyou Walker, Klamath River, Siskiyou Mts. (Mt. Diablo Mer.) 518 Comment
  HSC35064  Fritillaria affinis J. P. Smith 1974-5-25 7645 Siskiyou Along Rd. 8, 4.7 mi. W of its junction with Hwy. 3 1159 Comment
  CAS-BOT-BC502847  Fritillaria atropurpurea Wm. Bridge Cooke 1938-7-1 11155 Siskiyou Mount Shasta below Wagon Camp 1706 Comment
  HSC60669  Fritillaria glauca Ruby Van Deventer Siskiyou Bear valley Comment
  CAS-BOT-BC506210  Fritillaria pudica Louis C. Wheeler 1935-3-18 3379 Siskiyou Cottonwood Creek; Mt. Diablo Mer.; Siskiyou Mts. 944 Comment
  CAS-BOT-BC506212  Fritillaria pudica F. M. Anderson 1896-4-1 s.n. Siskiyou Near Yreka Comment
  RSA256590  Fritillaria pudica J. P. Smith 1974-5-26 7581 Siskiyou Along Forest Service road 47N03, 1.4 mile northeast of Chandler Glade 1768 Comment
  JEPS25674  Galium ambiguum subsp. siskiyouense Rimo Bacigalupi with Mr. and Mrs. Van Deventer 1959-7-10 7319 Siskiyou on rocky ridgetop marking Del Norte-Siskiyou co. boundary Siskiyou Mts. (on steep grade just above jeep road between Poker Flat and Twin Valley) 1664 Comment
  HSC69398  Galium bifolium Maralyn A. Renner 1980-8-8 2449 Siskiyou Rattlesnake Meadow 1646 Comment
  HSC67749  Galium bolanderi John Palmer 1980-8-15 1005 Siskiyou NE of Seiad Low Gap on spur of F.S. Rd. 46N50 1098 Comment
  UC416635  Galium bolanderi Milo S. Baker 1899-7-17 Siskiyou Lava Beds Fall River Valley Comment
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  UCR47924  Galium californicum D. L. Koutnik, Martha Townsend 1979-9-10 s.n. Siskiyou SW of Etna, near Etna Bridge 1067 Comment
  HSC81665  Galium glabrescens subsp. glabrescens Thomas W. Nelson, Jane P. Nelson 1980-7-17 6073 Siskiyou Along FS Rd. 17, 1 mi. N of summit at county line 2073 Comment
  HSC33318  Galium glabrescens subsp. glabrescens William J. Ferlatte 1974-7-25 1585 Siskiyou Dorleska Summit; Grouse Ridge, 100 yds. S of summit 2104 Comment
  JEPS125865  Galium porrigens var. porrigens Dean W. Taylor 1996-7-10 15771 Siskiyou Head of Facey Gulch on Hayden Ridge; easterly watershed divide of Scott Valley, about 10 air miles E of Etna Comment
  JEPS83624  Galium serpenticum subsp. scotticum Marla Knight 1987-7-16 940 Siskiyou e FS Rd. 40N03 (on s side of creek, slope facing nw at creek crossing); Klamath National Forest, Scott River District, China Mtn. SW 1188 Comment
  UCD80889  Galium trifidum subsp. subbiflorum Robert E. Preston 2001-6-23 1583 Siskiyou Klamath National Forest, n slope of Rainbow Mtn, at Hemlock Lake. 1889 Comment
  CAS-BOT-BC182152  Garrya fremontii C. Hart Merriam 1907-9-26 s.n. Siskiyou Shovel Creek, Klamath Canyon, near Klamath Hot Spgs. Comment
  RSA392398A  Garrya fremontii H. E. McMinn 1931-6-27 2525 Siskiyou Near Gottsville. Klamath River. Comment
  RSA503493  Garrya fremontii Frederick W. Oettinger 1968-8-18 581 Siskiyou At the northeast side of Hancock Lake, Salmon Mountains, Marble Mountain Wilderness Area. 1936 Comment
  UC166164  Garrya fremontii Geo. D. Butler 1910-6-17 1565 Siskiyou Humbug Mountain Comment
  HSC30236  Garrya fremontii William J. Ferlatte 1969-6-26 1191 Siskiyou Big Flat near campground 1524 Comment
  JEPS74436  Gayophytum diffusum subsp. parviflorum W. J. Ferlatte 1966-8-2 237 Siskiyou Big Flat Trinity Alps (wooded area near public camp) 1524 Comment
  UC164345  Gayophytum diffusum subsp. parviflorum Geo. D. Butler 1908-8-3 165 Siskiyou Lake Long Comment
  RSA12606  Gayophytum heterozygum Carl B. Wolf 1934-7-6 5979 Siskiyou 1/4 mile east of Mt. Shasta City, southwest slope of Mt. Shasta 1098 Comment
  RSA600377  Gayophytum humile Louis C. Wheeler 1935-6-27 3594 Siskiyou Marble Mountains: Etna Creek. 1524 Comment
  CAS-BOT-BC376175  Gentiana calycosa Andrew Townesmith; Karen M. Meyer 2007-8-1 878 Siskiyou Shasta-Trinity National Forest. 11.7 miles up Stewart Springs road/Forest Service road 17 (distance from intersection of Stewart Springs and Old 99 Highway) 1983 Comment
  JEPS80608  Gentiana calycosa Gilbert Muth 1965-8-6 175 Siskiyou trail behind Black Mountain; Marble Mt. Wilderness Area 1975 Comment
  UC878464  Gentiana calycosa Alice Eastwood 1912-8-30 2042 Siskiyou Mount Eddy Comment
  SEINET6744749 Image available Gentiana setigera C. C. Harris, S. K. Harris 1939-8-29 976 Siskiyou Half Moon Meadow, Marble Mountian Primitive Area, Calfornia Comment
  HSC91280  Gentianopsis simplex Jennifer Whipple 1976-9-4 1791 Siskiyou Mt. Eddy, SW of Dobkins Lake along the drainage into the lake 2226 Comment
  RSA237950  Gilia capitata Frederick W. Oettinger 1968-8-16 536 Siskiyou Summit of Red Hill, N of Hancock Lake. Salmon Mtns. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2058 Comment
  HSC45795  Gilia capitata subsp. capitata J. P. Smith 1976-5-4 8659 Siskiyou Hwy. 96, 3.7 mi. W of Klamath National Forest boundary 610 Comment
  UC643267  Gilia sinuata W. Bridge Cooke 1940-6-4 15008 Siskiyou along Bolam Road (on the n side of the mountain); Mount Shasta, n side of the mountain Comment
  JEPS11817  Githopsis specularioides Geo. D. Butler 1909-4-26 613 Siskiyou Oro Fino Comment
  HSC90811  Glyceria elata D. K. Imper 1987-7-21 Siskiyou Marble Mtn. Wilderness, 8 mi. E of Somes Bar 1372 Comment
  UC1161520  Glyceria elata J. M. Tucker 1963-8-19 3774 Siskiyou Canyon Creek Marble Mountain Wilderness Area (headwaters of Canyon Creek) 1950 Comment
  HSC26904  Glyceria striata J. P. Smith, J. O. Sawyer 1971-9-17 4784 Siskiyou On trail up to Little Duck lake 1829 Comment
  HSC92565  Glyceria striata Jennifer Whipple 1978-10-6 2425 Siskiyou Dale Creek drainage on the N face of Mt. Eddy 2195 Comment
  CAS-BOT-BC302669  Gnaphalium palustre Carl B. Wolf 1927-8-26 995 Siskiyou On the Klamath River, 5 mi. below Hornbrook Comment
  UC896938  Gnaphalium palustre John Thomas Howell 1939-8-10 15254 Siskiyou Sky High Valley Marble Mts., Sky High Valley 1828 Comment
  CAS-BOT-BC302675  Gnaphalium palustre W. B. C. 1941-8-8 16144 Siskiyou Along the Wagon Camp road above Howard, Mt. Shasta Comment
  RSA237525  Gnaphalium palustre Frederick W. Oettinger 1969-9-4 1627 Siskiyou East side of Hancock Lake. Salmon Mtns. High Lake Basins in the vicinity of English Peak. Marble Mtn Wilderness Area. 1951 Comment
  RSA237527  Gnaphalium palustre Frederick W. Oettinger 1969-8-31 1567 Siskiyou Weed patch at campsite, English Lake; Salmon Mts; The high lake basins in the vicinity of English Peak, Marble Mt. Wilderness Area. 1829 Comment
  HSC19397  Goodyera oblongifolia J. O. Sawyer 1968-9-28 744 Siskiyou Along ridge NE of Orleans Mtn. 1677 Comment
  JEPS41882  Grindelia hirsutula Geo. D. Butler 1908-9-25 499 Siskiyou roadside near Montague Comment
  CHSC36143  Hackelia cusickii K. Bridwell 1978-7-6 167 Siskiyou N slope of Sheep Mountain, ca. 10 mi e of Macdoel. 1645 Comment
  JEPS67926  Hackelia micrantha Geo. D. Butler 1909-7-15 941 Siskiyou head of Taylor Creek (Highland Mine); , Highland Mine Comment
  CAS-BOT-BC123569  Haplopappus racemosus subsp. pinetorum David Daniels Keck 1938-8-8 4862 Siskiyou Scott Mts., ridge between Milll and Mule creeks, 3 mi SE of Scott Mt. Lodge. 1340 Comment
  SD46490  Hastingsia alba E. K. Balls, L. W. Lenz 1956-6-18 21720 Siskiyou In boggy meadows and ditches. 5.7 miles southeast of Gazelle, U.S. Highway 99, Yreka to Dunsmuir. 883 Comment
  UC1034054  Hastingsia alba W. Bridge Cooke 1941-8-8 16169 Siskiyou Wagon Camp Swamp , Wagon Camp Swamp (Mount Shasta) 1737 Comment
  UC1409317  Hastingsia alba Frederick W. Oettinger 1969-8-8 1301 Siskiyou vicinity English Peak (English Lake, Sundew Bog, Marble Mountain Wilderness Area, Salmon Mountains, High Lake Basins); Salmon Mountains, Marble Mountain Wilderness Area 1828 Comment
  UC221682  Hastingsia alba H. E. Brown Jun 15 1897-Jun 30 1897 412 Siskiyou n side Mount Shasta; n side Mt. Shasta 1524 Comment
  CAS-BOT-BC504620  Hastingsia alba John Thomas Howell 1937-7-26 13531 Siskiyou Caribou Basin, Salmon-Trinity Alps 2286 Comment
  CDA39327  Hastingsia alba C. S. Giebner 1964-7-3 s.n. Siskiyou Coley property, Edgewood. 0 Comment
  RSA114964  Hastingsia alba E. K. Balls, Lee W. Lenz 1956-6-18 21720 Siskiyou 5.7 miles southeast of Gazelle, U.S. Highway 99, Yreka to Dunsmuir 884 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
  HSC103903  Hazardia whitneyi var. discoidea Dana York, Richard Helliwell 2010-9-11 3010 Siskiyou Klamath National Forest. North slope of Broken Rib Mountain 1616 Comment
  CAS-BOT-BC306734  Helenium bigelovii John M. Tucker 1963-8-17 3738 Siskiyou Lower Red Rock Valley, Marble Mountain Wilderness Area 1493 Comment
  CAS-BOT-BC306733  Helenium bigelovii Doris K. Kildale 1929-8-25 9028 Siskiyou White's Meadow, trail to Preston Peak 1371 Comment
  JEPS24819  Helenium bigelovii Rimo Bacigalupi with Drs. Reino and Aloha Alava 1958-9-2 6835 Siskiyou just below and n Scott Mtn. road summit 1615 Comment
  POM359786  Helenium bigelovii B. C. Templeton 1957-6-23 s.n. Siskiyou S slope of Scott Mt., between Trinity County line and Bear Creek. Comment
  HSC82585  Helianthella californica Thomas W. Nelson, Jane P. Nelson 1979-5-26 4710 Siskiyou Along Hwy. 3, N of Scott Mtn. Summit, at junction with FS Rd. 40N03 1524 Comment
  POM55352  Helianthella californica var. shastensis H. M. Hall, E. B. Babcock 1903-06 4056 Siskiyou Near Sisson; Mt. Shasta. 1067 Comment
  JEPS109554  Helianthus exilis Dean W. Taylor 2002-7-20 18251 Siskiyou West Fork Parks Creek, along Forest Road 1310 Comment
  POM52735  Hemizonia fitchii Geo D. Butler 1910-7-31 1805 Siskiyou Near Yreka. Comment
  JEPS107319  Hesperochiron californicus Lowell Ahart, John Dittes 2005-6-10 12105 Siskiyou 30 yards E of Shasta River, near the south fence, 100 yards S of the pump house along the Shasta River, about 1.9 air mi S of Hwy 99/97 Cutoff, about 6 air mi E-SE of Grenada 776 Comment
  JEPS93854  Hesperochiron californicus Vernon H. Oswald and Lowell Ahart 1998-6-11 9203 Siskiyou 9 air mi e of Grass Lake (22 air mi ne of Weed, Dry Lake on s side of Tennant Road); Dry Lake, Tennant Road 1402 Comment
  UC1045250  Hesperolinon micranthum W. Bridge Cooke 1940-7-5 15225 Siskiyou along and old lane near Municipal Spring; Mount Shasta Comment
  POM87184  Hesperolinon micranthum Geo. D. Butler 1910-6-19 1582 Siskiyou Goosenest foothills. 1220 Comment
  JEPS11802  Heterocodon rariflorum W. L. Jepson Jul 1894 Siskiyou Sisson Comment
  HSC27593  Heteromeles arbutifolia Carl W. Mize 1972-6-21 68 Siskiyou Along trail by sharp bend in trail 274 Comment
  JEPS5823  Heterotheca oregona var. rudis Geo. D. Butler 1909-10-3 976 Siskiyou near Yreka (McNulty's field) Comment
  CAS-BOT-BC312301  Heterotheca villosa var. minor Gilbert Muth 1966-7-25 453 Siskiyou Marble Rim 2072 Comment
  CAS-BOT-BC420709  Heuchera merriamii John Thomas Howell 1937-7-24 13400 Siskiyou Caribou Basin, Salmon-Trinity Alps 2286 Comment
  UC1190182  Heuchera merriamii Ira L. Wiggins 1955-7-27 13561 Siskiyou Caribou Lake; Salmon-Trinity Alps Primitive Area 2042 Comment
  UC530057  Heuchera merriamii Louis C. Wheeler 1934-8-2 3012 Siskiyou head of Jaynes Canyon; Siskiyou Mts 2042 Comment
  HSC20188  Heuchera merriamii Dorothy Parker 1949-8-3 353 Siskiyou Bluff above Paradise Lake, Salmon Mtn. 1982 Comment
  RSA0066186  Heuchera merriamii Frederick W. Oettinger 1968-8-4 386 Siskiyou Trail N of Crapo Peak ridge. Salmon Mtns. High Lake Basins in the vicinity of English Peak. Marble Mtn Wilderness Area. 2195 Comment
  UC1333337  Heuchera merriamii Dorothy Parker 1949-8-3 353 Siskiyou above Paradise Lake; Siskiyou Moauntains, Salmon Mt 1981 Comment
  UCD19520  Heuchera rubescens Charlotte K. Glenn 1967-1 137 Siskiyou Castle Lake 1584 Comment
  CAS-BOT-BC319699  Hieracium albiflorum John Thomas Howell 1939-8-6 15102 Siskiyou Elk Mt., Marble Mts. Comment
  RSA12623  Hieracium albiflorum C. B. Wolf 1934-7-5 5962 Siskiyou 3 6/10 mi. from Dry Lake Lookout on rd. to Horse Creek, Siskiyou Mts. 1982 Comment
  UC618643  Hieracium albiflorum unknown 1938-7-15 11169 Siskiyou Bear Springs Mount Shasta, Bear Springs Comment
  CAS-BOT-BC316035  Hieracium scouleri A. A. Heller 1905-6-22 s.n. Siskiyou Igerna Comment
  HSC41090  Hieracium scouleri J. O. Sawyer 1969-8-18 1985 Siskiyou Near trail below S Sugar Lake 2073 Comment
  HSC65417  Holodiscus discolor Rich White 1978-7-20 261 Siskiyou Ridge top E of Raspberry Lake 1768 Comment
  CAS-BOT-BC152377  Holodiscus discolor var. discolor Doris K. Kildale 1928-8-19 6539 Siskiyou Summit of divide between Eighth Lake and Hancock Lake - trail to Marble Mt. 2194 Comment
  CAS-BOT-BC150129  Holodiscus microphyllus var. glabrescens Dorothy Parker 1950-8-6 489 Siskiyou Salmon Mountain 1798 Comment
  CAS-BOT-BC150138  Holodiscus microphyllus var. glabrescens Wm. Bridge Cooke 1938-9-17 11702 Siskiyou Ridge below Horse Camp Comment
  UC589850  Hordeum brachyantherum subsp. brachyantherum H. S. Yates 1936-6-21 5820 Siskiyou 1 mi se Gazelle; Etna Quad. 792 Comment
  JEPS107373  Hordeum jubatum Lowell Ahart, John Dittes 2005-6-9 12023 Siskiyou Field, on the east side of a poor rock fence, about 400 yards east of where cattle water in the Shasta River, about 3/5 mile (air) south of Highway 99/97 Cutoff, about 2 1/2 miles (air) east-southeast of Grenada 774 Comment
  HSC91101  Hordeum murinum subsp. leporinum J. P. Smith 1973-5-5 6547 Siskiyou Scott Bar along the Scott River Comment
  CAS-BOT-BC143946  Horkelia daucifolia J. P. Smith; T. W. Nelson 1979-6-15 10125 Siskiyou Klamath National Forest, road to Carmen Lake, 0.6 miles from its junction with State Route 3 1645 Comment
  RSA166765  Horkelia daucifolia H. Dearing, M. Dearing 1939-6-3 s.n. Siskiyou Near Scotts Bar Comment
  RSA451652  Horkelia daucifolia Christopher Davidson 1975-6-5 2659 Siskiyou just above gate on special service rd branching SE off rd from Gazelle to Callahan 9.3 mi. W of Gazelle. 1471 Comment
  HSC49900  Horkelia daucifolia var. daucifolia Maralyn O'Meara 1974-5-25 439 Siskiyou On Rd. 8, 2.4 mi. W of junction with Hwy. 3 1006 Comment
  HSC39327  Horkelia daucifolia var. daucifolia J. P. Smith 1974-5-25 7376 Siskiyou Along Road 8, 2.4 mi. W from its junction with Hwy. 3 1006 Comment
  JEPS74530  Horkelia fusca subsp. parviflora W. J. Ferlatte 1966-6-22 69 Siskiyou near public camp; Big Flat 1524 Comment
  UC485549  Horkelia fusca subsp. parviflora F. W. Hooper Apr. 1897 Siskiyou Little Shasta Comment
  RSA451645  Horkelia fusca subsp. pseudocapitata E. Yale Dawson 1948-7-16 5099 c Siskiyou Grass Lake; Margins of Grass Lake, a drying, vernal lake north of Mount Shasta 1524 Comment
  RSA3819  Horkelia fusca var. brownii A. A. Heller 1927-8-1 14435 Siskiyou S side of Mt. Shasta, near Shasta City (Sisson). Comment
  SBBG25898  Horkelia fusca var. parviflora D. Myrick 1966-8-9 1512 Siskiyou Mountain Meadow Ranch, Big Flat 1524 Comment
  CAS-BOT-BC536227  Horkelia fusca var. parviflora W. R. Dudley 1899-8-15 s.n. Siskiyou Glazier Comment
  POM208191  Horkelia tridentata Louis C. Wheeler 1934-6-29 s.n. Siskiyou Beaver Creek 1341 Comment
  CAS-BOT-BC539440  Horkelia tridentata var. tridentata R. E. Frenkel 1964-7-14 687 Siskiyou At Howard near Mount Shasta 1219 Comment
  CAS-BOT-BC201133  Hosackia crassifolia Doris K. Kildale 1929-7-20 8573 Siskiyou South Fork Indian Creek near Gilmore's 457 Comment
  CAS-BOT-BC201134  Hosackia crassifolia Wm. Bridge Cooke 1940-7-26 15360 Siskiyou Around the Black Butte Spring Comment
  HSC61503  Hosackia oblongifolia var. oblongifolia Ruby Van Deventer 1939-7-18 Siskiyou Kelley Lake and Kelley Lake Trail 1220 Comment
  HSC44574  Hosackia oblongifolia var. oblongifolia Laura Witherspoon 1977-7-30 Siskiyou Flint Valley 1341 Comment
  CAS-BOT-BC142672  Howellanthus dalesianus F. W. Oettinger 1969-7-25 s.n. Siskiyou Scott Mts., Shasta-Trinity National Fores: c. 15 air mi. SW of Weed near Kangaroo Lake Campground Comment
  UC90396  Hulsea nana J. D. Hooker and A. Gray 1877-1 Siskiyou Shasta Comment
  CAS-BOT-BC312851  Hymenoxys lemmonii A. A. Heller 1918-7-25 13083 Siskiyou Shasta Valley between Cazelle and Edgwood [Edgewood] Comment
  HSC99611  Hypericum anagalloides J. O. Sawyer 1969-8-5 1773 Siskiyou W of Little Duck Lake 2073 Comment
  UC19050  Hypericum formosum var. scouleri Milo S. Baker 1893-8-4 Siskiyou McCloud R. s. of Mt. Shasta; McCloud R. Comment
  SD88323  Hypericum perforatum Darley F. Howe 1972-7-8 Siskiyou 7.7 miles north of Weed, on Highway 97. 1157 Comment
  HSC29221  Hypericum perforatum Frederick W. Oettinger, R. F. Thorne 1969-8-8 1307 Siskiyou Marble Mtn. Wilderness Area, mid-way between English Lake main camp & Sundew Bog due W of camp 1799 Comment
  UCSB10258  Hypericum perforatum Myrick, Donald 1964-7-25 Siskiyou near Shasta Royal Inn; Dunsmuir 762 Comment
  CAS-BOT-BC206826  Iliamna bakeri Carl B. Wolf 1941-7-26 11073 Siskiyou 10.3 mi. NE of Weed along U.S. Highway #97 914 Comment
  CAS-BOT-BC206832  Iliamna bakeri L. Constance 1940-7-12 15337 Siskiyou Along the Memorial Highway, Mount Shasta. 1524 Comment
  UC195395  Ipomopsis aggregata A. A. Heller 1914-8-26 11720 Siskiyou Weed 1066 Comment
  POM64964  Ipomopsis aggregata subsp. formosissima H. P. Chandler 1901-06 1624 Siskiyou Near Marble Mountain 2134 Comment
  HSC65870  Iris tenax subsp. klamathensis M. A. Baker 1980-6-20 2182 Siskiyou Near Bald Mtn. 275 Comment
  OBI4718  Isatis tinctoria T. C. Fuller 1960-5-26 4344 Siskiyou Greenhorn Crk, 1.5 mi W of Yreka Comment
  UC400937  Isoetes bolanderi Geo. D. Butler 1908-8-4 255 Siskiyou lake at head of Shackleford Creek Comment
  HSC28734  Isoetes bolanderi Frederick W. Oettinger 1968-8-1 345 Siskiyou Marble Mtn. Wilderness Area, inlet area of Hancock Lake 1936 Comment
  UC118418  Isopyrum stipitatum Thos. Howell April 1888 18 Siskiyou Hornbrook Comment
  POM302090  Isopyrum stipitatum L. E. Smith 1913-04 s.n. Siskiyou Yreka Comment
Read comments
Jul 5 2010
  HSC2322  Iva axillaris Geo. D. Butler 1910-9-12 1874 Siskiyou Near Lower Klamath Lake 1220 Comment
  CHSC40156  Juncus articulatus L. P. Janeway 1983-6-25 340 Siskiyou E side of Klamath R, n side of Independence Br. Top of rock bluff overlooking the river. 289 Comment
  CDA42385  Juncus articulatus Jodi Aceves 2014-8-15 PDR# 470 P06027656 Siskiyou 0 Comment
  CHSC40151  Juncus balticus L. P. Janeway 1983-8-28 639 Siskiyou At Poker Flat, a meadow. Middle of lower portion of meadow. 1524 Comment
  HSC92708  Juncus balticus subsp. ater Jennifer Whipple 1977-8-6 2198 Siskiyou Dobkins Lake 2058 Comment
  UCD141342  Juncus balticus subsp. ater Calvin McMillan; Malcom A. Nobs 1949-6-17 805 Siskiyou Grass Lake, Highway 97. Comment
  UC637023  Juncus bolanderi Edward Lee 1934-8-13 1057 Siskiyou 4 mi n Happy Camp; Klamath National Forest, Indian Creek 411 Comment
  UCD77267  Juncus drummondii Robert E. Preston 2001-6-23 1555 Siskiyou Klamath National Forest, n slope of Rainbow Mtn. 1767 Comment
  CHSC71609  Juncus ensifolius Vernon H. Oswald; Lowell Ahart 1998-8-3 9421 Siskiyou Kangaroo Lake Rd. (USFS 41N08) 3.9 mi southeast of Gazelle-Callahan Rd. at its intersection with USFS 41N10. Along a roadside drainage. 1554 Comment
  JEPS84036  Juncus ensifolius L. R. Heckard with S. D'Alcamo, J. Hickman 1986-7-16 6376 Siskiyou ca 7 mi nne Seiad Valley (w of Cook and Green Pass, ca 1.5 mi e of Red Butte summit) 1900 Comment
  UC1601866  Juncus ensifolius W. L. Jepson 1894-1 Siskiyou Mt. Shasta Comment
  RSA577908  Juncus ensifolius L. C. Wheeler 1935-7-26 3710 Siskiyou Siskiyou mountains: Jaynes Canyon 1951 Comment
  CAS-BOT-BC127615  Juncus mertensianus Doris K. Kildale 1928-8-19 6523 Siskiyou English Lake, head of north fork of Salmon River. Comment
  CAS-BOT-BC127621  Juncus mertensianus Robert F. Thorne; Fred Oettinger 1969-8-10 38954 Siskiyou Mount Shasta National Forest. South slope of Mount Shasta, Panther Creek Meadows. 2194 Comment
  RSA238890  Juncus occidentalis Frederick W. Oettinger 1968-9-10 812 Siskiyou Just SW above Horse Range Lake. Salmon Mtns. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1845 Comment
  HSC19247  Juncus parryi J. O. Sawyer 1969-8-1 1686 Siskiyou SE facing slope above Duck Lake Creek 1951 Comment
  HSC89810  Juncus parryi D. K. Imper Jun 1987 Siskiyou 8 mi. E of the town of Mt. Shasta 2134 Comment
  UC1601838  Juncus parryi W. L. Jepson 1894-1 Siskiyou Mt. Shasta Comment
  UC1190203  Juncus tenuis Ira L. Wiggins 1955-7-21 13429 Siskiyou 7 mi above Cecilville (near Mt. View Ranch); South Fork of Salmon River 975 Comment
  SEINET4856378  Juncus trilocularis Louis C. Wheeler 1934-6-22 2753 Siskiyou Klamath NF: Cottonwood Creek. 915 Comment
  RSA498099  Juniperus communis L. C. Wheeler 1934-8-14 3123 Siskiyou 0.5 mile west White Mountain, Siskiyou Mountains 1921 Comment
  POM21816  Juniperus communis var. montana E. B. Copeland 1903-10-6 3782 Siskiyou Mt. Eddy 2287 Comment
  CAS-BOT-BC81236  Juniperus occidentalis Edward Lee 1934-8-9 1013 Siskiyou Above Shasta Creek, 6 miles north of Yreka Comment
  HSC101732  Juniperus occidentalis Michael Kauffmann, Richard Moore 2013-5-27 14 Siskiyou Northwest of Sugar Lake, south-facing cirque in granite 2003 Comment
  HSC31502  Juniperus occidentalis Steve Selva, Roger Jensen 1974-8-24 45 Siskiyou S facing slopes along Road 8 to Sugar Lake Trail Comment
  SD112325  Juniperus occidentalis Darley F. Howe 1961-8-3 3129 Siskiyou 56.5 miles east of Happy Camp, north of Klamath River 609 Comment
  UC401376  Juniperus occidentalis Geo. D. Butler 1909-3-6 580 Siskiyou dry hill near Yreka Comment
  UC483416  Juniperus occidentalis M. G. Anderson 1902-3-4 Siskiyou between Yreka and Humbug Creek Comment
  UC567206  Juniperus occidentalis H. A. Jensen 1934-8-29 384 Siskiyou Cedar Park School Dunsmuir Quad. 883 Comment
  RSA649266  Juniperus occidentalis var. occidentalis David J. Keil 1983-7-3 17378 Siskiyou 11 miles NE of junction with SR 3 along Gazelle - Callahan Road Comment
  UCR4291  Juniperus occidentalis var. occidentalis Frank C. Vasek 1965-8-31 650831- 01 Siskiyou Lava Beds National Monument, at the turn-off to Valentine Cave 1393 Comment
  SEINET11056490  Juniperus occidentalis var. occidentalis D. Charlet, T. Charlet 1996-11-25 2345 Siskiyou Scott Bar Mountains, Scott River, between Spring Flat and Kelsey Station. 677 Comment
  CAS-BOT-BC56350  Kalmia microphylla subsp. microphylla Dorothy Parker 1950-6-4 445 Siskiyou in the Salmon Mountain Range 1920 Comment
  HSC45035  Kalmia polifolia J. O. Sawyer 1978-6-18 3239 Siskiyou Marble Mountain Wilderness, Shelly Meadows 1921 Comment
  UC1037376  Kalmia polifolia subsp. microphylla Douglas Barbe 1955-7-6 125 Siskiyou se shore of Taylor Lake Taylor Lake; Klamath Mountains, Salmon Mountains, Taylor Lake 1950 Comment
  HSC71257  Keckiella corymbosa J. P. Smith, Steve Selva 1970-6-15 3925 Siskiyou 10 mi. NW of Forks of Salmon Comment
  HSC29286  Keckiella lemmonii Frederick W. Oettinger, R. F. Thorne 1969-8-5 1211 Siskiyou Marble Mtn. Wilderness Area, hot area on English Lake Trail above Willow Spring 1707 Comment
  HSC90596  Kelloggia galioides Jennifer Whipple 1976-7-23 1522 Siskiyou Dale Creek Drainage on the N face of Mt. Eddy 2256 Comment
  JEPS12483  Kelloggia galioides Geo. D. Butler May 1908 415 Siskiyou Cold Spring Camp; Wooley Creek 1676 Comment
  RSA105490  Kelloggia galioides G. D. Barbe 1955-7-26 273 Siskiyou N slope of Scott Mtn. 1829 Comment
  UC618723  Kelloggia galioides unknown 1938-6-24 11078 Siskiyou MacBride Spring; Mount Shasta Comment
  UC1037107  Koeleria macrantha Leo Whitney 1934-6-29 2293 Siskiyou Tennant 1524 Comment
  CAS-BOT-BC499657  Kopsiopsis strobilacea A. M. Vollmer; L. Beane 1951-6-2 80 Siskiyou Happy Camp, Klamath River HIghway Comment
  CAS-BOT-BC340371  Kyhosia bolanderi Wm. Bridge Cooke 1940-7-5 15258 Siskiyou Mount Shasta. Throughout Wagon Camp Comment
  OBI55443  Lactuca biennis David J. Keil 1992-7-20 23502 Siskiyou Klamath NF. Along Forest Rd 46N64, 2.8 mi W of Scott river rd Comment
  JEPS25832  Lactuca canadensis Rimo Bacigalupi with L. Constance and L. Heckard 1960-7-19 7444 Siskiyou about 8 mi e Happy Camp; Canyon of the Klamath River Comment
  OBI55436  Lagophylla ramosissima David J. Keil, Kathleen Keil 1992-7-20 23496 Siskiyou Klamath NF, W of Fort Jones. Along Forest Rd 44N45, 4.4 mi S of Scott river rd Comment
  UCD133625  Lagophylla ramosissima P. B. Kennedy 1922-8-29 s.n. Siskiyou Scott Valley. Comment
  CAS-BOT-BC204929  Lathyrus Mrs. H. C. Cantelow 1936-5-20 s.n. Siskiyou North slope of Scott Mt. Comment
  SBBG15261  Lathyrus nevadensis D. Myrick 1961-6-21 302 Siskiyou Deer Camp Rd above Oak Knoll Ranger Station, Klamath River, 19 mi W of Hwy 99 1371 Comment
  SEINET3145112  Lathyrus nevadensis G. D. Butler 1910-6-19 1588 Siskiyou Goosenest foothills Comment
  UCD106389  Lathyrus nevadensis Alfred H. Murphy 1961-7-19 61 F Siskiyou Marble Mtns. Klamath National Forest, Sky High Valley, north end. 1584 Comment
  RSA48214  Lathyrus pauciflorus subsp. brownii Roxana S. Ferris, Laura Lorraine, R. T. Ferris 1948-6-12 11809 Siskiyou At Mule Creek crossing of Scott Mountain Road. 1524 Comment
  UC53792  Layia glandulosa H. M. Hall and E. B. Babcock 1903-6-1 4089 Siskiyou Shasta Valley Sierra Nevada Mountains, Mount Shasta, Shasta Valley Comment
  RSA659519  Ledum glandulosum Gary D. Wallace 1990-7-1 2956 Siskiyou Trinity Mountains: SW of Shasta City, Cedar Basin Research Area. 1828 Comment
  UC1023839  Lemna turionifera Douglas Barbe 1955-6-29 50 Siskiyou 4.1 mi se of Etna (on the Eastside Road, Klamath Mountains); Klamath Mountains 914 Comment
  RSA429989  Lepidium campestre B. C. Templeton 1957-6-25 7731 Siskiyou Between Callahan and Gazelle. Comment
  POM93965  Lepidium densiflorum var. bourgeauanum Geo. D. Butler 1910-6-27 1612 Siskiyou Yreka Creek. Comment
  CHSC91249  Lepidium perfoliatum Lowell Ahart; John Dittes 2005-6-9 11998 Siskiyou Pasture field, on the east side of a poor rock fence, about 300 yards east of where cattle water in the Shasta River, about 3/5 mile (air) south of Highway 99/97 Cutoff, about 2 1/2 miles (air) east-southeast of Grenada. 774 Comment
  RSA715768  Lepidium perfoliatum L. Ahart, John Dittes 2005-6-9 11998 Siskiyou 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 2.5 miles (air) ESE of Grenada. 775 Comment
  SDSU3139  Leptodactylon pungens D. F. Howe 1977-7-5 5002 Siskiyou 15 miles SE of Granada. 1219 Comment
  RSA31680  Leptosiphon ciliatus A. A. Heller 1938-7-12 s.n. Siskiyou Along US Hwy. 97, 5 miles north of Weed Comment
  RSA42333  Lesquerella kingii subsp. diversifolia Lincoln Constance, H. L. Mason 1947-5-17 3199 Siskiyou Summit of NW spur of Scott Mountain. 183 Comment
  UC10685  Lesquerella occidentalis subsp. occidentalis Harley P. Chandler June, 1901 1653 Siskiyou Marble Mountain; North Coast Ranges, Marble Mountain 2438 Comment
  RSA245197  Lessingia nemaclada J. P. Smith, J. O. Sawyer 1972-9-14 5801 Siskiyou Miners Creek Road just south of French Creek Road between Callahan and Etna 915 Comment
  UC33169  Lessingia nemaclada Milo S. Baker 1893-8-17 Siskiyou Squaw Valley Mt. 1219 Comment
  CDA7525  Leucanthemum vulgare Don Shaw 1980-6-23 Siskiyou Off Scott River Road near Fort Jones. 0 Comment
  CAS-BOT-BC508377  Leucocrinum montanum W. B. Cooke; V. G. Cooke 1979-6-1 s.n. Siskiyou South end of Shasta Valley, north of US-97 1143 Comment
  HSC83882  Leucothoe davisiae K. Berg, Stephanie Bennett 1986-8-25 640 Siskiyou Salmon-Trinity Alps Wilderness, headwaters of Little S Fork of Salmon River, above Little S Fork Lake 1982 Comment
  CAS-BOT-BC444040  Lewisia cotyledon var. cotyledon Harley P. Chandler 1901-6-1 1594 Siskiyou North Coast Ranges. Near Marble Mountain 2286 Comment
  HSC69030  Lewisia cotyledon var. cotyledon Maralyn A. Renner 1980-7-28 2179 Siskiyou Above Pacific Crest Trail, near ridge 1799 Comment
  JEPS96888  Lewisia cotyledon var. cotyledon Dean W. Taylor 1999-6-10 17253 Siskiyou Marble Mountains, Mill Creek, ca. 4 miles W from Mugginsville in Quartz Valley, northerly facing slopes near watershed divide with Kidder Creek 1584 Comment
  UC163731  Lewisia cotyledon var. cotyledon Geo. D. Butler 1909-7-20 460 Siskiyou Highland Mine Comment
  CAS-BOT-BC444042  Lewisia cotyledon var. cotyledon Lester Rowntree 1937-7-27 s.n. Siskiyou Caribou Lakes, Siskiyou Lakes [County?] Comment
  RSA211266  Lewisia cotyledon var. heckneri William J. Ferlatte 1966-6-22 76 Siskiyou Josephine Lake basin; Trinity Alps. 1677 Comment
  HSC99207  Lewisia leeana J. O. Sawyer 1969-6-13 1059 Siskiyou Slope above Little Duck Lake 2134 Comment
  JEPS105026  Lewisia leeana Dean W. Taylor 1996-7-25 15868 Siskiyou Scott Mtns.; Crater Lake, in cirque above upper lake (about 10 air miles west of Weed); Klamath National Forest 2331 Comment
  UC635337  Lewisia leeana Dorothy Tebbe 1930-7-22 13 Siskiyou Crater Lake, Mount Eddy Mount Eddy, Crater Lake Comment
  CAS-BOT-BC444080  Lewisia leeana Lester Rowntree 1931-7-26 s.n. Siskiyou Caribou Lakes Comment
  JEPS17291  Lewisia leeana unknown 1922-5-24 Siskiyou garden of Leonard Joss of Etna Mills Comment
  SBBG1936  Lewisia nevadensis H. and M. Dearing 1939-6-5 3559 Siskiyou SE of McCloud 1371 Comment
  UC375330  Lewisia rediviva Geo. D. Butler 1909-4-30 773 Siskiyou near Yreka (<Herzog?> hill) Comment
  SEINET4175850 Image available Lewisia triphylla Sally Walker 1983-8-23 Siskiyou Mt Shasta 2896 Comment
  CAS-BOT-BC436533  Ligusticum apiifolium Alice Eastwood 1912-7-23 1322 Siskiyou Dunsmuir Comment
  CAS-BOT-BC436534  Ligusticum californicum A. A. Heller 1915-8-26 12237 Siskiyou Mt. Eddy 1828 Comment
  HSC34295  Ligusticum californicum J. P. Smith, J. O. Sawyer 1973-8-14 7289 Siskiyou Along trail from Log Lake to Campbell Lake 1677 Comment
  UC875079  Ligusticum grayi A. A. Heller 1915-8-26 12237 Siskiyou Mt. Eddy 1828 Comment
  HSC98150  Lilium kelleyanum J. O. Sawyer 1968-7-10 515 Siskiyou S side of Sugar Creek. 1616 Comment
  CAS-BOT-BC509362  Lilium kelleyanum Albert M. Vollmer; Ira L. Wiggins 1940-7-5 7 Siskiyou On bottom of canyon and along banks of Cow Creek about 10 miles NE of Sawyer's Bar, on road to Etna. 975 Comment
  CAS-BOT-BC509388  Lilium kelleyanum W. B. Cooke; V. G. Cooke 1962-8-17 33524 Siskiyou Wagon Camp, Mt. Shasta 1737 Comment
  RSA130325  Lilium kelleyanum Albert M. Vollmer 1949-7-5 11 Siskiyou 7 miles from Callahan on Callahan--Carrville road Comment
  SJSU6073  Lilium kelleyanum R. W. Trivelpiece 1971-7-15 55 Siskiyou by Bear Creek c. 2 mi S of Sawyers Bar on N Fork Salmon River, Salmon River Mts 1524 Comment
  RSA120208  Lilium pardalinum S. S. Tillett 1956-7-11 689 Siskiyou North side Scott Mountain divide near campground; Siskiyou-Trinity county line 1616 Comment
  UC375209  Lilium pardalinum Geo. D. Butler 1908-8-3 115 Siskiyou Log Lake; Shackleford Creek Comment
  CDA39353  Lilium pardalinum subsp. shastense T. C. Fuller 1960-7-25 4869 Siskiyou North limits Mt. Shasta City. 0 Comment
  UC164043  Lilium washingtonianum subsp. purpurascens Geo. D. Butler 1908-7-12 1113 Siskiyou Humbug Mountain Comment
  JEPS58444  Linanthus harknessii Geo. D. Butler 1910-7-7 1657 Siskiyou Shackleford Creek 1219 Comment
  UC106768  Linanthus harknessii Dr. Palmer Jul 1892 Siskiyou Sisson Mt. Shasta Comment
  CDA6301  Linaria genistifolia subsp. dalmatica T. C. Fuller 1958-6-19 1798 Siskiyou South of road to Montague, 1.5 miles east of Yreka. 0 Comment
  CAS-BOT-BC240387  Linnaea borealis subsp. longiflora Doris K. Kildale 1928-7-3 5441 Siskiyou Little North Fork Salmon River near mouth Comment
  HSC4865  Linnaea borealis subsp. longiflora J. O. Sawyer 1968-7-10 492 Siskiyou Lower slopes grading to terrace of a temporary stream. 1768 Comment
  HSC69325  Linnaea borealis subsp. longiflora John Palmer 1980-8-12 733 Siskiyou Road to Bearground Spring from Beaver Creek Rd. 1341 Comment
  RSA0087561  Linnaea borealis subsp. longiflora E. B. Copeland 1903-8-13 s.n. Siskiyou Sisson. In several localities near Sisson, and below 5000 feet on Mt. Eddy. Comment
  JEPS82489  Linum lewisii Gilbert Muth 1965-8-6 186 Siskiyou Marble Mountain Wilderness Area, backside trail of Black Mt. Black Mt.; Marble Mountain Wilderness Area, Black Mt. 1981 Comment
  UCD110590  Linum lewisii Wm E. Moon 1958-5-29 s.n. Siskiyou Along State Hwy. 97, southwest of Hebron Summit. 1524 Comment
  HSC476  Listera convallarioides William J. Ferlatte 1967-7-25 724 Siskiyou Caribou Basin 1982 Comment
  RSA382548  Listera convallarioides Louis C. Wheeler 1934-6-18 2727 Siskiyou Cottonwood Creek, Siskiyou Mts. Mt. Diablo Mer. 1311 Comment
  CAS-BOT-BC36009  Lithocarpus densiflorus var. densiflorus Marion Ownbey; Fred G. Meyer 1940-7-8 2231 Siskiyou Siskiyou Mountains, 17 miles north of Happy Camp. Comment
  RSA697650  Lithocarpus densiflorus var. echinoides Leo Miller 1938-07 s.n. Siskiyou Siskiyou Mnts. 1006 Comment
  CDA25412  Lithophragma affine G. D. Barbe, J. T. Howell, T. C. Fuller 1980-4-29 2609 Siskiyou 3 km east of Forest Mountain summit, Highway 3, southwest of Yreka. Comment
  JEPS82474  Lithophragma glabrum Gilbert Muth 1966-7-8 366 Siskiyou Marble Valley Meadow; Marble Mt. Wilderness Area, Marble Valley Meadow 1792 Comment
  HSC22237  Lithophragma heterophyllum J. O. Sawyer 1969-7-11 863 Siskiyou Ravine above C.C.C. road. 1280 Comment
  JEPS94268  Lithophragma tenellum Vernon H. Oswald and Lowell Ahart 1998-6-11 9209 Siskiyou 9 air mi e of Grass Lake (22 air mi ne of Weed, Dry Lake on s side of Tennant Road); Dry Lake, Tennant Road 1402 Comment
  CAS-BOT-BC317337  Lithospermum californicum Antone J. Soares 1922-6-1 8553 Siskiyou Shasta Springs Comment
  SEINET7073519  Lomatium congdonii A. G. Vestal 1963-6-1 s.n. Siskiyou Southeast rim of Shasta Valley. About 0.2 mile northwest of Route 97 on the road to Dwinnell Reservoir (Lake Shastina). UTM Zone 10, 551439mN, 4588002mN. Coordinate datum: NAD27. Comment
  RSA237413  Lomatium dissectum var. multifidum Frederick W. Oettinger 1968-8-15 523 Siskiyou On east side of Hancock Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1951 Comment
  RSA184690  Lomatium macrocarpum Gilbert Muth 1966-7-22 440 Siskiyou Marble Rim, Marble Mountains 2195 Comment
  JEPS116614  Lomatium macrocarpum Julie Kierstead Nelson with Rhonda Posey 2007-6-15 2007 -012 Siskiyou North side of Mt. Shasta, south of Hwy 97, along Forest Service Rd. 42N73 Mt. Shasta (Hotlum Fire area burned in Feb 2006; ca. 4 miles NE towm of Weed.) 1090 Comment
  RSA237416  Lomatium macrocarpum Frederick W. Oettinger 1969-7-11 987 Siskiyou Near summit of Little Medicine Mountain (north of Hancock Lake). Salmon Mtns. High Lake Basin in the vicinity of English Peak. Marble Mountain Wilderness Area. 2104 Comment
  HSC31130  Lomatium nudicaule J. O. Sawyer 1971-8-20 2458 Siskiyou S of Buckhorn Mountain on Big Ridge trail 1982 Comment
  RSA452584  Lomatium nudicaule L. C. Wheeler 1935-6-29 3623 Siskiyou Yreka 808 Comment
  HSC81884  Lonicera ciliosa Barry Silver 1986-5-24 638 Siskiyou West Branch Campground, Klamath National Forest, 7 mi. NW of Happy Camp. 671 Comment
  JEPS13679  Lonicera conjugialis W. L. Jepson 1907-7-6 2858 Siskiyou Cudahay Trail to Klamath River (from Marble Mt.); Marble Mt., Klamath River Comment
  UCSB24455  Lonicera hispidula McMinn, Howard 1931-6-27 Siskiyou Seiad Valley to Clear Creek Comment
  UC375401  Lotus crassifolius var. crassifolius Geo. D. Butler 1908-8-3 396 Siskiyou Log Lake Shackleford Creek Comment
  UC454688  Lotus crassifolius var. crassifolius I. J. Condit 1909-8-23 Siskiyou near Sisson; Castle Lake Comment
  RSA582427  Lotus douglasii Louis C. Wheeler 1935-5-26 3529 Siskiyou Yreka Creek, Siskiyou Mts. 915 Comment
  CDA27212  Lotus humistratus D. Osterhandt, Don Shaw 1978-4-11 Siskiyou Vicinity of Forks of Salmon. 0 Comment
  POM27163  Lotus humistratus Geo. D. Butler 1910-7-3 1623 Siskiyou Goose nest foothills 1220 Comment
  RSA406397  Lotus micranthus Louis C. Wheeler 1934-6-4 2645 Siskiyou Ridge south of Horse Creek near mouth, Siskiyou Mts. (Mt. Diablo mer.) 1067 Comment
  CAS-BOT-BC140247  Luetkea pectinata Louis C. Wheeler 1934-8-9 3089 Siskiyou Klamath National Forest, Jaynes Canyon 1981 Comment
  JEPS84193  Luetkea pectinata L. R. Heckard with S. D'Alcamo, J. Hickman, W. Roderick 1986-7-16 6429 Siskiyou ca 5 mi n Seiad Valley (town) (cirque at head of Hell's Canyon, e slope of Kangaroo Mountain); e slope Kangaroo Mountain 1828 Comment
  JEPS82111  Luina hypoleuca Rimo Bacigalupi with L. Constance and L. Heckard 1960-7-21 7480 Siskiyou 4 mi above Oak Bottom guard station (or 5 mi above and se of Somes Bar); Gorge of Salmon River 274 Comment
  UCD105846  Lupinus albicaulis Rimo Bacigalupi; George Bacigalupi Jr. 1959-6-30 7182 Siskiyou southwest of Mt. Shasta (town). 1036 Comment
  UC157025  Lupinus albicaulis var. shastensis Geo. D. Butler 1908-8-2 370 Siskiyou edge Quartz Valley; Shackleford Creek, edge of Quartz Valley Comment
  UC563063  Lupinus albicaulis var. shastensis Elmer I. Applegate 1923-9-7 3953 Siskiyou Doggett Ridge Doggett Ridge, Siskiyou Mountains (s slope of the Siskiyou Mountains); , Doggett Ridge Comment
  CAS-BOT-BC196322  Lupinus albifrons var. flumineus D. B. Dunn; B. J. Cox 1971-6-9 17937 Siskiyou 9 mi. N. of Weed, on U.S. Hwy 97, at Whitney Creek 1249 Comment
  RSA47602  Lupinus albifrons var. flumineus Roxana S. Ferris, Laura Lorraine, Daniel F. Ferris 1948-6-12 11725 Siskiyou French Creek logging road west of Callahan. 1067 Comment
  SEINET5766850 Image available Lupinus albifrons var. flumineus D. B. Dunn, B. J. Cox 1971-1 17937 Siskiyou 9 mi N of Weed, US 97 at Whitney Creek 1250 Comment
  SEINET10450494  Lupinus albifrons var. flumineus David B. Dunn, Billy Joe Cox 1971-6-9 Dunn 17937 Siskiyou 9 miles n of weed, on us hwy 97, at whitney crek. Sw facing slope; volcanic (Pumice) some sedimentary loamy soil; assoc. With pinus ponderosa, artemisia, Bromus and arctostaphylos 1250 Comment
  HSC70489  Lupinus andersonii J. P. Smith 1973-5-5 6515 Siskiyou Along Cook and Green Pass Rd. Comment
  CHSC69078  Lupinus angustiflorus Vernon Oswald; Lowell Ahart 1997-7-28 8796 Siskiyou Bullseye Lake southeast of Medicine Lake. 2057 Comment
  HSC42153  Lupinus arbustus S. Saufferer 1973-5-25 229 Siskiyou About 3 mi. NE of Weed, along Hwy. 97 Comment
  CAS-BOT-BC215197  Lupinus croceus Christopher Davidson 1975-6-5 2681 Siskiyou 0.8 mile N of Scott Mountain Summit on Highway 3 1584 Comment
  CHSC914  Lupinus croceus M. Yoder 1941-7-12 Siskiyou Castle Lake. 1950 Comment
  HSC795  Lupinus croceus William J. Ferlatte 1967-7-9 700 Siskiyou Kidd Creek Trail 1677 Comment
  RSA414461  Lupinus croceus Christopher Davidson 1975-6-5 2681 Siskiyou 0.8 mi N of Scott Mtn Summit on Hwy 3. 1585 Comment
  CAS-BOT-BC26622  Lupinus klamathensis Alice Eastwood; John Thomas Howell 1934-4-20 1775 Siskiyou Junction of Klamath and Shasta Rivers 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
  UC162168  Lupinus latifolius var. viridifolius Geo. D. Butler 1908-8-7 373 Siskiyou Whiskey Camp; Independence Creek, Whiskey Camp Comment
  UC454939  Lupinus latifolius var. viridifolius I. J. Condit 1911-7-7 Siskiyou Dunsmuir Comment
  UC60975  Lupinus latifolius var. viridifolius Geo. B. Grant September 1902 5233 Siskiyou Mount Shasta, Shasta Springs Mount Shasta; , Shasta Springs 609 Comment
  CHSC110962  Lupinus lepidus var. sellulus B. Castro; L. P. Janeway 2007-7-28 1661 Siskiyou High Cascade Range. Medicine Lake Highlands; west side of Arnica Sink about 4 mi west of Glass Mountain and ca 1 mi NE of Medicine Lake. Off either side of E-W side-road off of Modoc NF Rd43N99. 2045 Comment
  UC1034068  Lupinus lepidus var. sellulus W. Bridge Cooke 1941-8-18 16189 Siskiyou Mount Shasta Comment
  UC563132  Lupinus lepidus var. sellulus Elmer I. Applegate 1923-8-17 3846 Siskiyou w end Medicine Lake; w end of Medicine Lake 1981 Comment
  POM26761  Lupinus leucophyllus Geo. D. Butler 1910-5-21 1376 Siskiyou Klamath River. Comment
  UC156997  Lupinus luteolus Geo. D. Butler 1909-6-26 910 Siskiyou near Yreka; near Yreka Comment
  UC138026  Lupinus microcarpus var. microcarpus Dr. E. B. Copeland 1903-7-2 3537 Siskiyou Klamathon Comment
  POM228984  Lupinus nanus var. apricus Louis C. Wheeler 1935-5-18 3499 Siskiyou Siskiyou Mountains; Yreka Creek. 854 Comment
  LA205154  Lupinus obtusilobus C. Smith; 1938-8-18 11508 Siskiyou Mount Shasta, in the vincinity of Horse Camp 2438 Comment
  SDSU4999  Lupinus obtusilobus D. F. Howe 1962-8-6 3400 Siskiyou Mt. Shasta, Shasta National Forest. 2438 Comment
  CAS-BOT-BC7542  Lupinus onustus Amos Arthur Heller 1905-6-15 8037 Siskiyou Near Sisson Comment
  RSA0069563  Lupinus onustus Daisie Huang 2006-8-4 06080405 Siskiyou Castle Lake Road. 1326 Comment
  UC642537  Lupinus polyphyllus var. burkei W. Bridge Cooke 1939-6-23 13514 Siskiyou upper end Bear Springs Meadows (Mount Shasta); Mount Shasta Comment
  HSC41643  Lupinus sellulus subsp. ursinus J. O. Sawyer, Ed Cope 1977-6-21 2982 Siskiyou Near Prescott Peak along headwaters of W Fork of Clear Creek 1677 Comment
  RSA183653  Lupinus sellulus var. lobbii Gilbert Muth 1965-8-12 211 Siskiyou 2/3 up meadow on back of Black Mountain. Comment
  CAS-BOT-BC436603  Luzula cascadensis Ira L. Wiggins 1950-5-28 12362 Siskiyou Margins of Carmen Lake, about 1.5 miles E of Scott Mountain Road 1737 Comment
  CAS-BOT-BC436604  Luzula cascadensis D. E. Breedlove 1962-6-11 3367 -A Siskiyou Along State Hwy 89, 8.0 miles E of McCloud, Cascade Mts. 1127 Comment
  JEPS25623  Luzula comosa var. laxa Rimo Bacigalupi with Mr. and Mrs. Van Deventer 1959-7-9 7257 Siskiyou Poker Flat 1536 Comment
  RSA14322  Luzula comosa var. laxa Elmer I. Applegate 1895-5-28 753 a Siskiyou Sisson, Strawberry Valley. Comment
  RSA211370  Luzula divaricata William J. Ferlatte 1966-8-19 452 Siskiyou Head of Kidd Creek. Trinity Alps. 2134 Comment
  CDA40732  Lycopus asper T. C. Fuller 1963-8-27 11165 Siskiyou North shore of Lower Klamath Lake, south side of Dorris-Tulelake Road, 12.4 miles west of Hatfield. 0 Comment
  RSA0015089  Lythrum californicum Louis C. Wheeler 1934-10-11 3316 Siskiyou Oak Knoll Ranger Station, Klamath River, Siskiyou Mountains. 671 Comment
  HSC43052  Lythrum hyssopifolia Ken Stillman 1976-8-24 443 Siskiyou Along Klamath River at Williams Point. 366 Comment
  RSA0015987  Lythrum hyssopifolia Geo. D. Butler 1910-8-3 1811 Siskiyou Yreka Creek. Comment
  RSA215639  Machaeranthera canescens var. shastensis Gilbert Muth 1969-8-8 1302 Siskiyou Boulder Peak Ridge 2287 Comment
  CAS-BOT-BC342669  Madia citriodora K. L. Chambers 1967-6-22 2845 Siskiyou Siskiyou Mountains. Rocky knoll about 500 ft. above and east of the freeway (Hwy. 5) at the Hilts exit, Siskiyou Pass 1097 Comment
  JEPS40212  Madia citriodora Geo. D. Butler 1908-5-14 698 Siskiyou Klamath River Comment
  CAS-BOT-BC344018  Madia elegans A. A. Heller 1916-8-24 12556 Siskiyou Near Sisson 1074 Comment
  UC195407  Madia elegans A. A. Heller 1916-8-24 12556 Siskiyou near Sisson 1074 Comment
  POM211185  Madia elegans subsp. densifolia L. C. Wheeler 1934-9-18 3280 Siskiyou Klamath River near mouth Beaver Creek, Siskiyou Mts. 549 Comment
  CAS-BOT-BC343422  Madia gracilis Elmer I. Applegate 1923-9-7 3954 Siskiyou Doggett Ridge, south slope of the Siskiyou Mountains Comment
  CAS-BOT-BC343436  Madia gracilis Wm. Bridge Cooke 1938-7-15 11174 Siskiyou Mt. Shasta 1524 Comment
  CAS-BOT-BC343441  Madia gracilis Wm. Bridge Cooke 1938-8-5 11440 Siskiyou Mount Shasta. MacBride Springs Comment
  UC1409495  Madia gracilis Frederick W. Oettinger 1969-8-18 1433 Siskiyou Horse Range Lake; Salmos Mountains, High Lake Basins, English Peak Marble Moun 1859 Comment
  JEPS40207  Madia gracilis Willis L. Jepson Jul 24 1894-Aug 10 1894 Siskiyou Sims to Sissons; Region of the Upper Sacramento Comment
  RSA12611  Mahonia aquifolium C. B. Wolf 1934-7-5 5974 Siskiyou 4 7/10 mi. from Oak Knoll R.S. on Klamath River, on rd. to Dry Lake Lookout, Siskiyou Mts. 1220 Comment
  RSA264977  Maianthemum racemosum subsp. amplexicaule Gilbert Muth 1975-7-29 s.n. Siskiyou Near Kangaroo Mountain, near Seiad Valley 1756 Comment
  CAS-BOT-BC512768  Maianthemum racemosum subsp. amplexicaule John Thomas Howell 1939-8-3 15013 Siskiyou Spirit Lake, Marble Mountains 1828 Comment
  HSC36714  Maianthemum racemosum subsp. amplexicaule Brent Whiteley 1975-6-29 110 Siskiyou 976 Comment
  RSA96706  Maianthemum stellatum Percy C. Everett, E. K. Balls 1954-10-13 20286 Siskiyou Indian Creek Rd., 16.7 mi NW of Happy Camp on Hwy 96. 1128 Comment
  UC92229  Malacothrix clevelandii T. S. Brandegee July 1887 Siskiyou Sisson's Comment
  CAS-BOT-BC347358  Malacothrix floccifera Geo. D. Butler 1910-6-4 1491 Siskiyou Shackleford Creek Comment
  POM210969  Marah oregana L. C. Wheeler 1934-8-2 3026 Siskiyou Siskiyou Mountains: Jaynes Canyon. Mt. Diablo Mer. 1828 Comment
  UC60891  Medicago lupulina W. A. Setchell, C. C. Dobie 1902-7-16 Siskiyou Sisson Mount Shasta Comment
  CAS-BOT-BC269232  Melica aristata W. B. Cooke; V. G. Cooke 1966-7-17 37251 Siskiyou Widow Springs, Mt. Shasta 1524 Comment
  RSA239019  Melica aristata Frederick W. Oettinger 1969-8-4 1159 Siskiyou Above Half-way Spring between English Lake and Diamond Lake. Salmon Mountains: The high lake basins in the vicinity of English Peak, Marble Mountain Wilderness Area. 1829 Comment
  SEINET10599300  Melica aristata A. Arthur Heller 1921-7-5 Heller 13563 Siskiyou Sandy soil about shrubs near the State Teachers College grounds, near the town of Mt. Shasta. Yellow pine belt. Comment
  CAS-BOT-BC271212  Melica bulbosa R. E. Frenkel 1963-7-15 244 Siskiyou West of Everitt Memorial Highway, 1.7 miles north of McCloud River RR crossing, near Mount Shasta 1290 Comment
  HSC644  Melica fugax William J. Ferlatte 1967-7-6 611 Siskiyou Dorleska summit. 2134 Comment
  SEINET10599386  Melica fugax George D. Butler 1910-1 Butler 1251 Siskiyou Dry hill Yreka. Comment
  HSC69248  Melica subulata Maralyn A. Renner 1980-7-24 2064 Siskiyou Lily Pad Lake 1768 Comment
  CAS-BOT-BC264198  Melica subulata Doris K. Kildale 1928-7-4 5468 Siskiyou 3 miles west of summit of divide between Sawyers Bar and Etna 1524 Comment
  UC163998  Mentha spicata Geo. D. Butler 1908-7-17 177 Siskiyou near Yreka; near Yreka Comment
  SEINET3155018  Mentzelia laevicaulis G. D. Butler 1910-7-17 1789 Siskiyou Near Yreka Comment
  JEPS41179  Mentzelia montana W. L. Jepson 1940-6-23 19999 Siskiyou e Mayten (east side of valley); Little Shasta Valley 883 Comment
  CAS-BOT-BC428549  Micranthes aprica Alice Eastwood 1921-7-28 10909 Siskiyou Medicine Lake Comment
  CAS-BOT-BC428982  Micranthes ferruginea John Thomas Howell 1939-8-2 14870 Siskiyou Spirit Lake, Marble Mts. 1828 Comment
  CAS-BOT-BC348422  Micropus californicus var. californicus Geo. D. Butler 1910-5-7 1297 Siskiyou Yreka Comment
  CAS-BOT-BC322660  Microseris laciniata W. R. Dudley 1899-8-13 s.n. Siskiyou Nabar near McCloud Comment
  UC133485  Microseris laciniata subsp. laciniata Dr. E. B. Copeland 1903-8-13 3818 Siskiyou Sisson 1066 Comment
  POM53404  Microseris laciniata subsp. laciniata E. B. Copeland 1903-4-13 3818 Siskiyou Sisson 1067 Comment
  CAS-BOT-BC349369  Microseris nutans Alice Eastwood 1921-7-24 10771 Siskiyou Castle Lake Comment
  CAS-BOT-BC349375  Microseris nutans Wm. Bridge Cooke 1938-7-1 11140 Siskiyou Mount Shasta. Below Wagon Camp Comment
  CHSC71504  Mimetanthe pilosa Vernon H. Oswald; Lowell Ahart 1998-7-21 9360 Siskiyou Northeast of Weed, east of Grass Lake, and west of Bray on Old State Highway 0.8 mi east of Tennant Rd. 1417 Comment
  RSA237539  Mimulus breweri Frederick W. Oettinger 1967-7-26 186 Siskiyou Stream bank below spring at Tom Taylor Cabin. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2049 Comment
  UC922555  Mimulus cardinalis Annie M. Alexander and Louise Kellogg 1948-9-5 5583 Siskiyou near mouth Matthews Creek; Siskiyou Mountains, South Fork of Salmon River Comment
  HSC107  Mimulus guttatus William J. Ferlatte 1967-8-21 1075 Siskiyou Caribou Basin, ridge W of Big Caribou Lake 2134 Comment
  POM4  Mimulus guttatus Copeland 1903-8-13 3808 Siskiyou Sisson. [old name for Mount Shasta] Comment
  SEINET12270024  Mimulus guttatus H. P. Chandler 1901-1 1694 Siskiyou near Marble Mountain, North Coast Ranges 1524 Comment
  HSC99273  Mimulus layneae D. M. Thompson 1989-6-29 1023 Siskiyou Near Black Butte, mid-way between Mt. Shasta city and Weed. 1.2 mi. N of I-5 interchange along N part of Truck Village Dr. (E side of I-5) 1201 Comment
  UC144565  Mimulus moniliformis A. A. Heller 1905-6-5 7960 Siskiyou near Shasta Springs Comment
  UC164263  Mimulus moniliformis Geo. D. Butler 1908-8-4 453 Siskiyou head Shackleford Creek Comment
  UC61040  Mimulus moniliformis W. A. Setchell, C. C. Dobie 1902-7-18 Siskiyou Sisson Mt. Shasta Comment
  HSC61893  Mimulus moschatus Ruby Van Deventer 1959-7-10 Siskiyou Poker Flat 1585 Comment
  HSC447  Mimulus moschatus William J. Ferlatte 1967-8-19 1035 Siskiyou Along the S Fork of the Salmon River between the campground and Carter's 1524 Comment
  UC1731232  Mimulus nanus Dean W. Taylor 1997-7-25 15846 Siskiyou in cirque above upper lake Crater Lake; KR, Scott Mtns, Klamath National Forest 2331 Comment
  UC618711  Mimulus nanus var. jepsonii W. Bridge Cooke 1938-7-15 11214 Siskiyou above Bear Springs; Mount Shasta Comment
  JEPS60238  Mimulus nanus var. nanus L. R. Heckard with L. Constance and R. Ornduff 1969-6-24 2292 Siskiyou n Mt. Shasta (along U.S. Highway 97, 0.2 mi n of Yreka road junction) Comment
  HSC44943  Mimulus nanus var. nanus J. O. Sawyer 1978-6-18 3237 Siskiyou Marble Mtn. Wilderness, along trail N of Shelly Meadows 1921 Comment
  SEINET3159698  Mimulus primuloides G. D. Butler 1910-7-13 1770 Siskiyou Shackleford Creek. 1219 Comment
  UC535784  Mimulus primuloides Elmer I. Applegate 1923-8-17 3833 Siskiyou w end Medicine Lake Comment
  JEPS4671  Mimulus pulsiferae Willis L. Jepson July, 1894 55 m Siskiyou Sisson Region of the Upper Sacramento Comment
  CAS-BOT-BC388882  Minuartia douglasii J. H. Thomas 1954-5-14 4166 Siskiyou Salmon Mountains, Klamath National Forest. Near South Fork of Salmon River, 5 to 9 miles southeast of Cecilville, Southwestern Siskiyou County 1219 Comment
  CAS-BOT-BC388880  Minuartia douglasii A. A. Heller 1905-6-20 8084 Siskiyou About midway between Igerna and Weed Comment
  CAS-BOT-BC174736  Minuartia nuttallii A. A. Heller 1915-8-26 12219 Siskiyou Near the source of Wagon Creek, Mt. Eddy 2590 Comment
  RSA576936  Minuartia nuttallii subsp. gracilis L. C. Wheeler 1934-6-29 2828 Siskiyou Soda Creek, Sterling Mt., Siskiyou Mts. 1067 Comment
  HSC69347  Minuartia nuttallii subsp. gregaria Maralyn A. Renner 1980-8-21 2592 Siskiyou SW of trail from Leroy Mine to Sunrise Basin near ridge 2287 Comment
  RSA215627  Minuartia nuttallii subsp. gregaria Gilbert Muth 1969-8-10 1352 Siskiyou Red Mountain Ridge. 2317 Comment
  CAS-BOT-BC181107  Minuartia nuttallii var. gregaria Gilbert J. Muth 1969-8-10 1352 Siskiyou Red Mountain Ridge 2316 Comment
  JEPS51504  Minuartia pusilla Geo. D. Butler 1909-4-25 619 Siskiyou Quartz Valley; pine barrens Comment
  JEPS105407  Minuartia stolonifera Dean W. Taylor 1996-7-7 15820 Siskiyou Scott Mountains; Highway 3 about 3 miles North of Scott Mountain Pass; Klamath National Forest 1402 Comment
  CAS-BOT-BC229607  Mirabilis greenei Geo. D. Butler 1910-5-11 1334 Siskiyou Shasta Valley Comment
  CAS-BOT-BC433014  Mitella diversifolia Ira L. Wiggins 1955-7-24 13481 Siskiyou On China Creek 1158 Comment
  HSC4889  Mitella pentandra J. O. Sawyer 1968-6-18 242 Siskiyou Valley bottom of Blakes' Fork. 1707 Comment
  HSC682  Mitella pentandra William J. Ferlatte 1967-8-20 1062 Siskiyou Caribou Basin 2226 Comment
  UC1409260  Mitella pentandra Frederick W. Oettinger 1968-8-8 376 Siskiyou Base Camp Meadow Salmon Mountains, Marble Mountain Wilderness Area (edge, between Diamond Lake and Hancock Lake, w Siskiyou Co.) 2011 Comment
  POM101232  Moehringia macrophylla Geo. D. Butler 1910-4-22 1217 Siskiyou Shackleford Creek in wet sand. Comment
  HSC22250  Monardella glauca J. O. Sawyer 1969-8-4 1833 Siskiyou Above Sugar Lake 2134 Comment
  RSA749250  Monardella glauca K. M. Meyer, A. Townesmith 2007-8-2 186 Siskiyou Klamath National Forest, 10.1 mi. on National Forest Rd. 70, off Hwy 97 toward Oregon. 1933 Comment
  JEPS63404  Monardella odoratissima subsp. glauca W. L. Jepson 1894-7 50 c Siskiyou Sisson Comment
  JEPS84085  Monardella odoratissima subsp. glauca L. R. Heckard with S. D'Alcamo, J. Hickman, S. Winchester 1986-7-15 6296 Siskiyou Indian Creek Road from Takilma to Happy Camp just south of State line. 1420 Comment
  UC25518  Monardella odoratissima subsp. pallida W. A. Setchell, C. C. Dobie 1902-7-15 Siskiyou Sisson Mount Shasta Comment
  CAS-BOT-BC222171  Monardella odoratissima subsp. pallida Dorothy Parker 1960-7-31 764 Siskiyou Above Hidden Lake 2042 Comment
  RSA215625  Monardella odoratissima subsp. pallida Gilbert Muth 1969-8-6 1196 Siskiyou Boulder Park. 2530 Comment
  SEINET10582080  Monardella odoratissima subsp. pallida A. Graff 1993-7-24 Graff 344 Siskiyou Mt. Shasta National Forest, Mt. Shasta. Memorial Hwy. from the 2nd road to Sand Flats going down the Mt., on both sides of the road. Locally frequent at the edge of mixed conifer forest of Abies magnifica, A. concolor, Pinus ponderosa, Pseudotsuga menziesii, Calocedrus decurrens, with Ceanothus sp., Arctostaphylos uva-ursi and A. sp. Comment
  CAS-BOT-BC220228  Monardella sheltonii A. M. Vollmer; L. Beane 1951-6-2 43 Siskiyou Klamath River Highway, betw. U.S. 99 & Gottville Comment
  SEINET10582373  Monardella siskiyouensis A. Graff 1993-7-24 Graff 356 Siskiyou Klamath National Forest. Hwy. 96, .45-2.8 miles east from junction with Hwy. 263, on right roadside. Infrequent on bare serpentine. End of bloom. Comment
  UC2035870  Monardella villosa subsp. villosa C. Epling 1938-1 Siskiyou Klamath River slopes near Highway 99. Comment
  CAS-BOT-BC453479  Monotropa hypopitys H. A. Thomas; J. H. Thomas 1954-7-21 4387 Siskiyou Salmon-Trinity Mts., about 6 iles SE of Cecilville. West side of Rush Creek. 1036 Comment
  RSA760936  Monotropa hypopitys R. F. Thorne, Frederick W. Oettinger 1969-8-4 63357 Siskiyou Klamath National Forest, Salmon Mountains, Marble Mountain Wilderness Area, high lake basins in the vicinity of English Peak Comment
  CHSC88108  Montia chamissoi Jenny Marr 1993-7-1 118 Siskiyou Butte Valley Wildlife Area, +/- 7 air miles NW of the town of MacDoel. Meadow NW of Meiss Lake. 1349 Comment
  POM215874  Montia fontana L. C. Wheeler 1935-4-13 3415 Siskiyou Siskiyou Mountains: Seiad Creek, Klamath River. 426 Comment
  RSA256710  Montia linearis J. P. Smith 1974-5-25 7472 Siskiyou Along road 8, 4.7 mi. west of its junction with State Route 3. 1159 Comment
  CAS-BOT-BC445209  Montia parvifolia Edward Lee 1934-8-13 1054 Siskiyou Indian Creek, 4 miles north of Happy Camp, Klamath National Forest 411 Comment
  LA207510  Montia parvifolia Edward Lee; 1934-8-13 1054 Siskiyou Klamath National Forest, Indian Creek, 4 mi N of Happy Camp 411 Comment
  HSC27685  Montia parvifolia Carl W. Mize 1972-6-8 44 Siskiyou Along the trail 351 Comment
  UC375306  Morus alba Geo. D. Butler 1910-6-1 1553 Siskiyou Yreka Comment
  SEINET7296346 Image available Muhlenbergia andina Beecher Crampton 1956-1 3837 Siskiyou Boulder strewn, wet banks of a mountain stream, lower slopes of White Ridge, canyon of the south fork of the Sacramento River. 1372 Comment
  CAS-BOT-BC262679  Muhlenbergia asperifolia Roxana S. Ferris; Laura Lorraine 1941-8-11 10502 Siskiyou Grass Lake Station, on U. S. Highway 97 1554 Comment
  UC167215  Muhlenbergia filiformis Geo. D. Butler 1910-7-13 1768 Siskiyou wet meadow Shackleford Creek 1219 Comment
  RSA45344  Myosotis scorpioides Dorothy Parker 1946-7-14 s.n. Siskiyou Etna. 915 Comment
  UC165758  Myosurus minimus Geo. D. Butler 1909-4-4 551 Siskiyou ne corner Yreka (Block 5) Comment
  CHSC71321  Myosurus sessilis Vernon H. Oswald; Lowell Ahart 1998-6-11 9222 Siskiyou Butte Valley National Grassland near the junction of Meiss Lake-Sams Neck Rd. and Hwy. 97 ca. 5 mi north of Macdoel. Along the edge of a vernal pool. 1295 Comment
  CHSC26189  Nama lobbii J. P. Kroessig 1977-8-5 56 Siskiyou Ca 11 km e on Everitt Memorial Hwy, ca 13 km ssw of Mt. Shasta Peak. 1640 Comment
  CHSC4554  Nama lobbii J. E. Bowlin 1967-7-18 41 Siskiyou On roadside, ca. 3.9 mi w of Mount Shasta Ski Bowl. 2133 Comment
  JEPS1360  Nama lobbii W. L. Jepson 1940-6-30 20071 Siskiyou 6 mi e McCloud (Fowlers Camp, McCloud River); McCloud River, Fowlers Camp, e of McCloud 944 Comment
  JEPS25579  Nama lobbii Rimo Bacigalupi 1959-7-1 7206 Siskiyou western slopes broadening base Mt. Shasta 1706 Comment
  RSA12569  Nama lobbii Carl B. Wolf 1934-7-6 s.n. Siskiyou Southwest side of Mt. Shasta about 1 mile northwest of Wagon Camp. 1524 Comment
  CAS-BOT-BC516027  Narthecium californicum W. R. Dudley 1905-8-4 s.n. Siskiyou Trail to Mount Eddy Comment
  CAS-BOT-BC60324  Nasturtium officinale L. B. Kildale 1930-5-31 9811 Siskiyou Island in Klamath River near Hornbrook. Comment
  HSC64814  Nasturtium officinale J. P. Smith, Steve Selva 1970-6-15 3909 Siskiyou 10 mi. NW of Forks of Salmon Comment
  UC1540246  Navarretia capillaris Dean W. Taylor 1987-6-26 9077 Siskiyou 2 mi se from Medicine Lake (Paynes Springs); se from Medicine Lake, Paynes Springs 1996 Comment
  UCD77738  Navarretia capillaris Robert E. Preston 2002-7-12 1916 Siskiyou Rainbow Mountain and Vicinity. Klamath National Forest, S slope of Rainbow Mountain 1968 Comment
  JEPS19747  Navarretia leucocephala Rimo Bacigalupi with S. Galen Smith 1957-6-27 5979 Siskiyou 4.0 mi sw Dorris (along U.S. Highway 97); Butte Valley 1280 Comment
  CHSC86453  Navarretia sinistra subsp. sinistra Jenny Marr 1993-7-1 70 Siskiyou Butte Valley Wildlife Area, +/- 7 air miles NW of the town of MacDoel. Meadow NE of Meiss Lake. 1349 Comment
  UC880882  Nemophila parviflora Louis C. Wheeler 1935-5-5 3462 Siskiyou Greenhorn Creek , Greenhorn Creek (Siskiyou Mts.) 853 Comment
  CAS-BOT-BC219528  Nemophila parviflora Alice Eastwood 1923-5-18 11832 Siskiyou Shasta Springs Comment
  CAS-BOT-BC230561  Nemophila parviflora var. austiniae Geo. D. Butler 1910-4-24 1231 Siskiyou Quartz Valley Comment
  JEPS87825  Nepeta cataria Vernon H. Oswald and Lowell Ahart 1994-8-1 6445 Siskiyou near Weed (Old Highway 99, just s of Stewart Springs Rd) 923 Comment
  POM208266  Nicotiana acuminata Louis C. Wheeler 1934-6-2 2612 Siskiyou Oak Knoll Ranger Station, Klamath River. Siskiyou Mtns. 671 Comment
  UC904783  Nicotiana attenuata unknown 1949-8-26 25656 Siskiyou near Bolam Station (along old logging road); Mount Shasta Comment
  CAS-BOT-BC60569  Noccaea fendleri subsp. glauca Alice Eastwood 1921-7-24 10788 Siskiyou Castle Lake. Comment
  CAS-BOT-BC60590  Noccaea fendleri subsp. glauca Ira L. Wiggins 1950-5-28 12359 Siskiyou Margins of Carmen Lake, about 1.5 mile east of Scott Mountain road. 1737 Comment
  HSC92178  Nothocalais alpestris Jennifer Whipple 1976-7-2 1286 Siskiyou Dale Creek drainage on the N face of Mount Eddy, ridge between Dale Creek and Deadfall drainage 2195 Comment
  RSA126565  Nothocalais troximoides M. H. Mitchell 1936-5-8 3 Siskiyou Close to Schonchin Butte, Modoc Lava Beds National Monument 1372 Comment
  HSC4842  Nothochelone nemorosa J. O. Sawyer 1968-9-13 713 Siskiyou W of the Happy Camp/O'Brien Rd. between Louse Creek and Indian Creek, on the E slopes of Little Grayback 1463 Comment
  JEPS74468  Nothochelone nemorosa W. J. Ferlatte 1967-8-21 1076 Siskiyou between Caribou Basin and Little South Fork Lake (Trinity Alps, Sawtooth Ridge); Trinity Alps, Sawtooth Ridge 2286 Comment
  UC637030  Nothochelone nemorosa Edward Lee 1934-8-13 1089 Siskiyou Happy Camp to Waldo (Oregon) Road, Klamath National Forest, watershed of West Branch of Indian Creek West Branch of Indian Creek; Klamath National Forest 1463 Comment
  UCR80886  Nothochelone nemorosa G. Fred Hrusa 1993-8-14 11399 Siskiyou Summit of Pass between Happy Camp, California and O'Brien, Oregon. Just on the California side of the state boundary 1375 Comment
Read comments
1
  RSA420390  Nothochelone nemorosa M. B. Dunkle 1944-8-25 9165 Siskiyou Sikiyou Nat'l Forest. Coastal northern California. 1768 Comment
  UC1409400  Nuphar lutea subsp. polysepala Frederick W. Oettinger 1968-9-3 672 Siskiyou at n end of Horse Range Lake, High Lake Basins in vicinity of English Peak, Salmon Mountains, Marble Mountain Wilderness Area Horse Range Lake; Salmon Mountains, Marble Mountain Wilderness Area 1828 Comment
  SEINET184866 Image available Nuphar lutea subsp. polysepala C. L. Hitchcock, J. S. Martin 1939-1 5273 Siskiyou Whiskey Lake, 0.5 mi above Camp Chicago, on Sanger Peak Trial 1463 Comment
  HSC68988  Nuphar polysepala Maralyn A. Renner 1980-7-24 2042 Siskiyou Lily Pad Lake 1768 Comment
  CHSC1156  Oenothera elata subsp. hirsutissima W. Gorsuch 1935-7-21 Siskiyou Along highway near Mt. Shasta City. 1097 Comment
  UCD134660  Onopordum tauricum T. C. Fuller; W. T. Parsons 1960-7-26 4878 Siskiyou Fred Voelker Ranch, west edge of Meiss Lake Basin, just south of Sam's Neck, ca. 15 miles southwest of Dorris. Comment
  CAS-BOT-BC499826  Orobanche corymbosa subsp. corymbosa Peter H. Raven 1956-8-11 10066 Siskiyou 9.6 mi S of turnoff to Bray on US Hwy \97 Comment
  HSC91957  Orobanche fasciculata Jennifer Whipple 1976-7-13 1457 Siskiyou E and S facing slopes draining into the N Fork of the Sacramento River. 2256 Comment
  UC1024069  Orobanche uniflora subsp. occidentalis Dorothy Parker 1954-4-12 612 Siskiyou Siskiyou Mountains near Callahan. Comment
  JEPS83863  Orthilia secunda Wayne Roderick Jul 1976 Siskiyou Siskiyou Mts. Vicinity of Cook and Green Pass 1463 Comment
  HSC167  Orthocarpus cuspidatus subsp. copelandii William J. Ferlatte 1966-8-2 238 Siskiyou Big Flat, wooded area near public camp 1524 Comment
  UC1408869  Orthocarpus cuspidatus subsp. copelandii Frederick W. Oettinger 1968-8-11 477 Siskiyou e Tom Taylor Cabin spring (high lake basins in the vicinity of English Peak Marble Mountain Wilderness Area); Salmon Mountains, Marble Mountain Wilderness Area 2026 Comment
  HSC49943  Orthocarpus cuspidatus subsp. cuspidatus G. L. Clifton, Terry Griswold 1979-8-8 13066 Siskiyou Near Windy Camp, close to the town of Klamath River 2044 Comment
  RSA52493  Orthocarpus cuspidatus subsp. cuspidatus Dorothy Parker 1948-7-11 s.n. Siskiyou Shovel Creek, near Beswick. 1012 Comment
  UC1400368  Osmorhiza berteroi Frederick W. Oettinger 1969-7-10 952 Siskiyou due w English Lake (high lake basins in vicinity of English Peak, w Siskiyou Co.); Salmon Mountains, Marble Mountain Wilderness Area 1760 Comment
  HSC96806  Osmorhiza berteroi S. Lyon 2006-6-3 4 Siskiyou E side of Eddy Gulch Rd., 3 mi. S of the intersection with Sawyers Bar Rd. 915 Comment
  HSC69011  Osmorhiza occidentalis Maralyn A. Renner 1980-7-24 2032 Siskiyou Lily Pad Lake 1768 Comment
  HSC36605  Oxalis trilliifolia Brent Whiteley 1975-6-29 108 Siskiyou 976 Comment
  CAS-BOT-BC413214  Oxyria digyna Gilbert J. Muth 1969-8-6 1225 Siskiyou Boulder Peak Ridge Comment
  HSC92968  Oxyria digyna Jennifer Whipple 1976-7-25 1574 Siskiyou N face of Mt Eddy 2378 Comment
  UC1045303  Packera cana W. B. Cooke 1940-8-22 15478 Siskiyou along w rim Mud Creek Canyon; Mount Shasta, w rim Mud Creek Canyon Comment
  UC705692  Packera cana Marion Ownbey and Fred G. Meyer 1940-7-4 2184 Siskiyou on ridge above the head Brewer Creek; e side Mt. Shasta Comment
  CAS-BOT-BC253764  Panicum capillare Carl B. Wolf 1927-8-26 992 Siskiyou On the Klamath River, 5 miles below Hornbrook Comment
  CHSC71898  Panicum capillare Vernon H. Oswald; Lowell Ahart 1998-9-8 9606 Siskiyou Julia Glover Flat on USFS 3 ca. 6 air mi west of Mosquito Lake and Whitehorse Flat Reservoir. 1112 Comment
  UC203921  Panicum capillare Geo. D. Butler 1904-9-26 871 Siskiyou along creek near Yreka; near Yreka Comment
  CAS-BOT-BC253763  Panicum capillare David D. Keck 1938-8-7 4856 Siskiyou Scott Mountain Lodge, 2 miles E of Callahan, on E Fork of Scott River at junction with Mill Creek 1000 Comment
  CAS-BOT-BC422853  Papaver rhoeas Lillian Mott 1976-6-6 21 LM76 Siskiyou Klamath River at Ash Creek, ca. 4 1/2 miles west of 5 x 96 548 Comment
  CAS-BOT-BC422854  Papaver rhoeas John Thomas Howell 1952-6-14 28357 Siskiyou 2 miles west of Gazelle Comment
  HSC26703  Parnassia fimbriata W. J. Ferlatte 1971-9-18 1376 Siskiyou Trinity Alps, Caribou Basin, Sawtooth Ridge. 2378 Comment
  CAS-BOT-BC175609  Parnassia palustris William A. Dayton 1913-9-15 599 Siskiyou Shasta National Forest. E. Fk. of Scott River Range 1676 Comment
  RSA238304  Parnassia palustris var. californica Frederick W. Oettinger 1968-8-3 377 Siskiyou Base camp near Diamond Lake. Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2012 Comment
  JEPS78150  Paxistima myrsinites Gary W. Zamzow 1972-7-20 96 Siskiyou on Highway 89, 7 mi e McCloud (Fowlers Campground, on gentle e-facing slope of McCloud River); slope of McCloud River 1066 Comment
  UCD107438  Paxistima myrsinites D. Sanchez-Mata 1997-9-18 s.n. Siskiyou Mount Shasta-Lake Siskiyou-Gumboot Lake. South Fork (Sacramento River) Road. 1340 Comment
  UCR5254  Paxistima myrsinites O. F. Clarke 1966-8-6 660806- 02 Siskiyou 46 mi south of Oregan Border on US 99 Comment
  RSA48235  Pectocarya penicillata Roxana S. Ferris, Laura Lorraine 1948-6-12 11785 Siskiyou Outskirts of Etna. Comment
  HSC685  Pedicularis attollens William J. Ferlatte 1967-8-20 1063 Siskiyou Caribou Basin 1982 Comment
  HSC91018  Pedicularis attollens Jennifer Whipple 1977-7-21 2014 Siskiyou Near Durney Lake 2073 Comment
  POM43388  Pedicularis aurantiaca Geo. D. Butler 1324 Siskiyou Goosenest foothills. 1524 Comment
  HSC19156  Pedicularis bracteosa var. flavida J. O. Sawyer 1969-7-24 1486 Siskiyou NE facing seep SW of Sugar Lake 1890 Comment
  UC922339  Pedicularis bracteosa var. flavida Annie M. Alexander and Louise Kellogg 1949-7-19 5810 Siskiyou Paradise Lake; Marble Mountains 1920 Comment
  UC1483475  Pedicularis howellii Maralyn A. Renner 1980-7-24 1944 Siskiyou above Lily Pad Lake (Pacific Crest Trail); Klamath National Forest 1798 Comment
  JEPS83838  Pedicularis racemosa Wayne Roderick July 1976 Siskiyou vicinity of Cook and Green Pass; Siskiyou Mountains 1463 Comment
  HSC60386  Pedicularis racemosa Carl Wishner 1978-8-1 557 Siskiyou Cuddihy Lakes Basin, Marble Mtn. Wilderness Area, adjacent to lakes 1768 Comment
  HSC63262  Pedicularis racemosa M. A. Baker 1979-7-31 1087 Siskiyou Marble Mtn. Wilderness, Tickner Hole 2080 Comment
  RSA758223  Pedicularis racemosa Robert F. Thorne 1969-8-2 63323 Siskiyou Klamath National Forest, Salmon Mountains, Marble Mountain Wilderness Area, high lake basins in the vicinity of English Peak Comment
  HSC29478  Pellaea brachyptera Frederick W. Oettinger 1968-8-16 538 Siskiyou Marble Mtn. Wilderness Area, near the summit of Little Medicine Mtn. due N of Hancock Lake 2088 Comment
  UC185226  Pellaea breweri Geo. D. Butler 1910-7-9 1718 Siskiyou Marble Mt 1676 Comment
  CAS-BOT-BC67669  Pellaea breweri Gilbert Muth 1966-8-3 163 Siskiyou Marble Mountains 1792 Comment
  OBI80247  Penstemon David J. Keil, Kathleen Keil 1990-7-28 s.n. Siskiyou Marble Mountains. Klamath National Forest. Rye Patch Creek Trail. 1700 Comment
  RSA0006214  Penstemon W. C. Cusick 1902-1 2928 Siskiyou Siskiyou Mts., Waldo-Crescent City rd., 1/4 mi. S. of Cal. Line [Siskiyou or Del Norte counties]. Comment
  JEPS101469  Penstemon anguineus Dean W. Taylor 1972-7-3 1593 Siskiyou Cook and Green Pass 1371 Comment
  UC595101  Penstemon anguineus David D. Keck 1938-8-6 4817 Siskiyou on road from Waldo to Happy Camp 4 mi s Oregon Line (summit of Siskiyou Mts., Poker Flat, at Del Norte Co. Line); summit of Siskiyou Mts., Poker Flat 1554 Comment
  RSA425614  Penstemon azureus Louis C. Wheeler 1934-6-21 2746 Siskiyou West Fork Cottonwood Creek, Siskiyou Mtns. (Mt Diablo Mer.) 1509 Comment
  RSA17738  Penstemon cinereus Elmer I. Applegate 1935-6-2 9268 Siskiyou Indian Wells; Lava Beds Nat'l Monument Comment
  HSC75654  Penstemon cinicola J. O. Sawyer, R. J. Cole 1980-7-21 3710 Siskiyou W end of Medicine Lake Comment
  UC1586909  Penstemon cinicola Juha Pykala and D. H. Norris 1987-7-8 2423 Siskiyou s and w sides of lake, between lake and road Little Medicine Lake 2040 Comment
  HSC60464  Penstemon davidsonii Carl Wishner 1978-7-19 548 Siskiyou Sandy Ridge trail 11W21 above Monument Lake, Marble Mtn. Wilderness 1768 Comment
  CHSC1859  Penstemon davidsonii var. davidsonii K. Jaekel 1939-7-8 Siskiyou Panther Meadows, Mt. Shasta. 2316 Comment
  LA25853  Penstemon davidsonii var. davidsonii H. & M. Lewis; 1951-7-12 sn Siskiyou Mount Shasta, Panther Meadows, S side Comment
  UC696751  Penstemon davidsonii var. davidsonii Elmer I. Applegate 1923-8-18 3858 Siskiyou crest of Red Shale Mountain [Red Shale Butte] Medicine Lake Region 2438 Comment
  CHSC91350  Penstemon deustus var. suffrutescens Lowell Ahart; John Dittes 2005-6-9 12037 Siskiyou Rocky hill, about 20 yards north 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
  UC618804  Penstemon deustus var. suffrutescens David D. Keck 1938-6-17 11043 Siskiyou Sisson Southern Trail Mount Shasta, Sisson Southern Trail (on the lava outcropping along the trail) Comment
  NY600753  Penstemon gracilentus A. A. Heller 1920-8-12 13514 Siskiyou Horse Camp, Mt. Shasta Comment
  UC313694  Penstemon gracilentus David D. Keck 1927-8-17 307 Siskiyou Horse Camp , Horse Camp (s side of Mt. Shasta) 2468 Comment
  NY600718  Penstemon gracilentus E. K. Balls 1952-10-13 18192 Siskiyou Mt. Shasta, 10.4 miles northeast of town of Mt. Shasta on John Everitt Memorial Highway up the mountain 1828.8 Comment
  UCD124183  Penstemon gracilentus Dean Wm. Taylor 1975-8-14 5357 Siskiyou Mount Shasta; Shasta Ski area and Green Butte. 2590 Comment
  CHSC1887  Penstemon heterodoxus var. shastensis N. Jaekal 1939-7-8 Siskiyou Near Horse Camp on Mt. Shasta. 2133 Comment
  CHSC29297  Penstemon heterodoxus var. shastensis J. D. Prouty 1979-7-28 79 .28 Siskiyou Island in the employee parking lot, McCloud Ranger Station, McCloud. Comment
  SEINET10432477  Penstemon humilis var. humilis Karl A. Vincent 1987-6-28 4441 Siskiyou Cascade Range, Mt. Shasta; between Mt. Shasta and the Whaleback, along Andesite - Military Pass Rd. ca 4.6 mi SE of jct. US 97 located 14.4 mi NE of Jct. US 97 and I-5 Business loop in Weed 1554 Comment
  HSC45192  Penstemon laetus subsp. sagittatus J. O. Sawyer, E. Cope 1977-6-18 2924 Siskiyou Along Clear Creek Trail between Ten Mile Creek and Bear Pen Creek 610 Comment
  HSC67796  Penstemon laetus subsp. sagittatus J. O. Sawyer, J. Cole 1980-7-22 4000 Siskiyou Little Horse Peak 1720 Comment
  HSC72440  Penstemon laetus subsp. sagittatus J. P. Smith, Steve Selva 1970-7-15 Siskiyou Baldy Mtn. Lookout Station 1723 Comment
  SEINET11262162  Penstemon laetus subsp. sagittatus Noel H. Holmgren, James L. Reveal 1966-6-9 2678 Siskiyou US 97, Shasta Valley, 4 miles north of Weed.; 0 1158 Comment
  NY91154  Penstemon laetus subsp. sagittatus H. E. Brown 1897-6-1 360 Siskiyou Near Mount Shasta. 1828.8 Comment
  SEINET7073530  Penstemon laetus var. laetus A. G. Vestal 1963-6-3 s.n. Siskiyou South of Gazelle on the east slope of lava hill on Gazelle-Callahan Road. UTM Zone 10, 535838mN, 4591995mN. Coordinate datum: NAD27. Comment
  UC1187079  Penstemon laetus var. sagittatus David D. Keck 1940-6-13 5170 Siskiyou Weed , n side of town, Grass Lake (n side of town on Route 97) Comment
  UC195194  Penstemon laetus var. sagittatus Annie M. Alexander and L. Kellogg 1911-6-5 114 Siskiyou Mayten Comment
  HSC82260  Penstemon neotericus Thomas W. Nelson, Jane P. Nelson 1980-7-5 5977 Siskiyou Fowler's Campground 1006 Comment
  CHSC4529  Penstemon newberryi J. E. Bowlin 1967-7-18 39 Siskiyou Ca. 8.5 mi w of Mount Shasta Ski Bowl. 1554 Comment
  HSC86631  Penstemon newberryi D. K. Imper Jun 1987 Siskiyou 8 mi. E of town of Mt. Shasta, S side of Red Butte 2134 Comment
  HSC4838  Penstemon newberryi subsp. berryi J. O. Sawyer 1968-7-22 538 Siskiyou Between Handcock and Diamond Lakes 1951 Comment
  HSC700  Penstemon newberryi subsp. berryi William J. Ferlatte 1967-8-23 1100 Siskiyou Head of Kidd Creek 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
  JEPS101482  Penstemon newberryi var. berryi Dean W. Taylor 1972-7-3 1611 Siskiyou Salmon Mountains, near Little Duck Lake 1981 Comment
  NY627424  Penstemon newberryi var. berryi I. L. Wiggins 1955-7-27 13537 Siskiyou Caribou Lake, Salmon-Trinity Alps Primitive Area 2042.2 Comment
  UC705571  Penstemon newberryi var. berryi Marion Ownbey, Fred G. Meyer 1940-7-6 2204 Siskiyou Cayenne Ridge, W side at summit Marble Mountain Comment
  JEPS81884  Penstemon newberryi var. newberryi Roger Raiche 1982-7-16 20616 Siskiyou on road to Mt. Eddy from Stewarts Springs; on road to Mt. Eddy from Stewarts Springs 1981 Comment
  CAS-BOT-BC482443  Penstemon parvulus Dana York 2011-8-12 3048 Siskiyou Marble Mountain Wilderness, Klamath National Forest, E-facing slope of Marble Mountain 2055 Comment
  NY629984  Penstemon parvulus A. A. Heller 1916-7-22 12485 Siskiyou East side of Mt. Eddy Comment
  UC1017676  Penstemon parvulus Marion Ownbey and Ruth P. Ownbey 1938-7-19 1749 Siskiyou 2 1/2 mi nw Dry Lake Lookout (summit of the Siskiyou Mountains); , nw of Dry Lake Lookout Comment
  UC1238926  Penstemon parvulus Freed W. Hoffman 1948-7-6 2410 Siskiyou summit of Scott Mountain road North Coast Ranges, summit Scott Mountain road 1630 Comment
  JEPS23805  Penstemon parvulus Rimo Bacigalupi with Mr. and Mrs. Van Deventer 1959-7-10 7314 Siskiyou at ridge-top marking Del Norte-Siskiyou County line which is followed by jeep road between Poker Flat and Twin Valley; Siskiyou Mts., bet Poker Flat and Twin Valley 1664 Comment
  POM42967  Penstemon parvulus Geo. D. Butler 1910-7-8 1669 Siskiyou Shackleford Creek. 1372 Comment
  HSC19135  Penstemon procerus var. brachyanthus J. O. Sawyer 1969-7-2 1005 Siskiyou E of Twin Lakes 2195 Comment
  HSC61155  Penstemon procerus var. brachyanthus Al Hobart 1967-8-8 Siskiyou El Capitan Comment
  JEPS101473  Penstemon procerus var. formosus Dean W. Taylor 1988-7-10 9965 Siskiyou summit ridge Mt. Eddy 2750 Comment
  HSC71133  Penstemon roezlii Thomas W. Nelson, Jane Nelson 1978-7-24 4495 Siskiyou Siskiyou-Trinity Co. line, along road to Carmen Lake, 100 m from junction with Hwy. 3 1585 Comment
  NY650146  Penstemon roezlii E. L. Greene 1876-6-5 s.n. Siskiyou Comment
  POM43271  Penstemon shastensis Geo. D. Butler 1910-6-19 1591 Siskiyou Goosenest foothills. 1524 Comment
  JEPS69754  Penstemon speciosus W. B. and V. G. Cooke 1972-7-6 45458 Siskiyou along Mud Creek Dam Road (Mt. Shasta); , along Mud Creek Dam Road 1066 Comment
  UC164361  Penstemon speciosus Geo. D. Butler 1910-5-18 1360 Siskiyou near Yreka; near Yreka Comment
  UC727350  Penstemon speciosus Elmer I. Applegate 1931-6-24 6805 Siskiyou between Bear Paw Cave, Modoc Lava Beds and Medicine Lake; btw Bear Paw Cave, Modoc Lava Beds and Medicine Lake Comment
  CHSC86659  Perideridia Jenny Marr 1993-7-1 42 Siskiyou Butte Valley Wildlife Area, +/- 7 air miles NW of the town of MacDoel. Meadow NW of Meiss Lake. 1349 Comment
  CAS-BOT-BC222757  Perideridia leptocarpa H. A. Thomas; J. H. Thomas 1954-7-23 4455 Siskiyou Salmon - Trinity Mts. About 6 miles SE of Cecilville. Between Mt. View Cabin and S. Fork of Salmon River 914 Comment
  CDA38508  Perideridia leptocarpa D. H. Shaw & D. Osterhandt 1979-8-17 s.n. Siskiyou Jackass Gulch northwest of Sawyers Bar, Klamath National Forest. 0 Comment
  UC1400336  Perideridia parishii subsp. latifolia Frederick W. Oettinger 1968-8-12 493 Siskiyou meadow just n Tobacco Lake (along trail from w end of Hancock Lake, w Siskiyou Co.); Salmon Mountains, Marble Mountain Wilderness Area 1889 Comment
  CAS-BOT-BC413739  Persicaria hydropiper Louis C. Wheeler 1934-9-20 3287 Siskiyou Klamath National Forest, Lumgrey Cr. 670 Comment
  CDA41161  Petunia parviflora J. O. McKinney 1944-1 s.n. Siskiyou Yreka. 0 Comment
  CAS-BOT-BC142702  Phacelia cookei W. B. Cooke; V. G. Cooke 1972-6-30 45419 Siskiyou Military Pass Road, Mt. Shasta. In margins of road. 1524 Comment
  HSC30735  Phacelia corymbosa Glenn McGourty 1974-5-25 68 Siskiyou On Rd. 8, 0.9 mi. from jct. with Hwy. 3 976 Comment
  UC726916  Phacelia corymbosa A. A. Heller 1916-7-22 12486 Siskiyou e side Mt. Eddy Comment
  POM73771  Phacelia egena Geo. D. Butler 1910-5-4 1280 Siskiyou Dry hill near Yreka Comment
  UC796610  Phacelia greenei Roxana S. Ferris and Laura Lorraine Jun 12 1948-Jun 16 1948 11718 Siskiyou Schoolhouse Hill e. fork of Scott River, Plowman's Valley (Noyes Valley) Comment
  JEPS95406  Phacelia hastata subsp. hastata Vernon H. Oswald and L. Ahart 1994-8-10 6449 Siskiyou T40N R2W NW1/4 SW1/4 Sec. 34, 3440 ft, Yellow Pine Forest. Pilgrim Creek Rd. (FS13) at the railroad crossing 0.9 mi N of Hwy. 89, ca. 3 mi (air) ENE of McCloud 1048 Comment
  UC535111  Phacelia heterophylla subsp. virgata Mrs. H. P. Bracelin 1931-6-20 430 Siskiyou about 2 mi nw Mt. Shasta City 1051 Comment
  UC61067  Phacelia heterophylla subsp. virgata W. A. Setchell, C. C. Dobie 1902-7-14 Siskiyou Sisson Mount Shasta Comment
  UC1481196  Phacelia linearis L. Constance 1980-6-3 3897 Siskiyou junction of old Military Pass rd and U. S. Hwy. 97 (n of Mt. Shasta) 1341 Comment
  SBBG20780  Phacelia linearis A. I. Richardson 1961-6-8 15 Siskiyou Big Springs Rd NE of jct with Hwy 97 Comment
  JEPS55975  Phacelia mutabilis John Thomas Howell 1939-8-9 15233 Siskiyou ridge s Marble Valley; Marble Mts. Comment
  SBBG41209  Phacelia mutabilis J. T. Howell 1939-8-2 Siskiyou Spirit Lake, Marble Mtns 1828 Comment
  RSA68892  Phacelia mutabilis A. E. Culbertson 1943-7-10 65 Siskiyou Castle Lake, 5434 , in a north facing cirque with an abrupt 1000 backwall, 14 miles SW of Mt Shasta on N side of a 6600 eastern spur of Trinity Mts. 2000 above Sacramento R within 10 air miles of its headwaters to the west. Comment
  RSA755541  Phacelia pringlei Barbara Ertter 1990-7-14 9338 Siskiyou Wagon Creek on east side of Mt. Eddy, ca. 4 air miles west of Mt. Shasta City 1829 Comment
  SEINET12280311  Phacelia pringlei Unknown 1953-1 105 Siskiyou Cabin Meadow, 1 mi N of Cory Peak, Klamath National Forest 1844 Comment
  HSC61880  Phacelia procera Ruby Van Deventer 1938-7-17 Siskiyou Poker Flat 1585 Comment
  CHSC93535  Phacelia ramosissima var. ramosissima Lowell Ahart; John Dittes 2005-6-10 12084 Siskiyou Under a juniper tree, about 50 yards southeast of the pump house along the Shasta River, about 1.9 miles (air) south of Highway 99/97 Cutoff, about 6 miles (air) east-southeast of Grenada. 776 Comment
  HSC103016  Phalaris arundinacea J. P. Smith 2014-6-6 13873 Siskiyou Along State Route 96 at the Portuguese Creek Access to the Klamath River 416 Comment
  CAS-BOT-BC77416  Philadelphus lewisii Geo. D. Butler 1910-6-12 1558 Siskiyou Yreka Creek Comment
  CAS-BOT-BC77432  Philadelphus lewisii A. M. Vollmer; L. Beane 1951-6-2 38 Siskiyou Klamath River Highway, betw. U.S. 99 & Gottville Comment
  CHSC57434  Philadelphus lewisii L. P. Janeway 1984-6-21 858 Siskiyou Garvey Bar, south side of Klamath River just east of Humbug Point. On flat above river. 594 Comment
  UC415566  Philadelphus lewisii H. E. Brown Jul 1 1897-Jul 5 1897 562 Siskiyou Mt. Shasta; s side 1524 Comment
  RSA0097442  Philadelphus lewisii Geo. D. Butler 1910-6-12 s.n. Siskiyou Yreka Creek. Comment
  HSC76676  Phleum alpinum K. T. Stillman 1976-7-23 302 Siskiyou Marble Mtn. Wilderness Area 2012 Comment
  CAS-BOT-BC250950  Phleum pratense Wm. Bridge Cooke 1938-7-15 11201 Siskiyou Mount Shasta. Along creeks in Bear Springs Comment
  HSC30605  Phleum pratense Frederick W. Oettinger 1968-9-5 738 Siskiyou Bear Meadow., Tom's Lake region. 2188 Comment
  UC1265412  Phleum pratense F. W. Oettinger 1968-9-5 738 Siskiyou Bear Meadow Tom's Lake region (Salmon Mountains); , , Bear Meadow 2186 Comment
  SD104872  Phlox caespitosa Darley F. Howe 1979-6-26 Siskiyou Military Pass Road, 19 mi. E of Ca. Hwy 97 1768 Comment
  HSC46348  Phlox diffusa J. P. Smith 1973-5-5 6424 Siskiyou Trail to the Siskiyou cypress stand, off the Cook and Green Pass Rd. Comment
  HSC4820  Phlox diffusa J. O. Sawyer 1968-7-23 622 Siskiyou Along trail from Brown's Valley to Caribou Basin including areas around Snowslide Lake and Caribou Lake. 1829 Comment
  HSC92076  Phlox diffusa Jennifer Whipple 1976-6-12 979 Siskiyou SE slope of Mt. Eddy draining into the N Fork of the Sacramento River 2195 Comment
  UC1733804  Phlox diffusa Kay H. Beach, Frank Gould 1940-5-15 765 Siskiyou Bull Meadows. Comment
  UC1409302  Phlox diffusa Frederick W. Oettinger 1968-8-19 586 Siskiyou English Peak Gap Salmon Mountains, Marble Mountain Wilderness Area 2133 Comment
  POM75617  Phlox diffusa subsp. diffusa Geo D. Butler 1910-7-8 1688 Siskiyou Shakleford Creek 1372 Comment
  HSC39318  Phlox speciosa subsp. nitida J. P. Smith 1974-5-26 7382 Siskiyou Along FS Rd. 47N03 1524 Comment
  HSC32071  Phlox speciosa subsp. occidentalis Glenn McGourty 1974-5-25 71 Siskiyou On Rd. 8, 0.9 mi. from jct. with Hwy. 3 976 Comment
  UC1034578  Phlox speciosa subsp. occidentalis unknown 1955-7-26 266 Siskiyou nw slope Scott Mtn.; Klamath Mountains 1828 Comment
  RSA15797  Phoradendron villosum Carl B. Wolf 1927-8-26 1038 Siskiyou On the Klamath River, 4 mi N of Gottville. 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
  HSC760  Phyllodoce empetriformis William J. Ferlatte 1967-7-25 726 Siskiyou Caribou Basin 1982 Comment
  JEPS66651  Phyllodoce empetriformis W. L. Jepson 1907-7-6 2850 Siskiyou Ridge above Cudahay Valley (Marble Mountain region); Marble Mountain region Comment
  JEPS66653  Phyllodoce empetriformis Joseph P. Tracy 1935-8-1 14406 Siskiyou at extreme head of West Fork Knownothing Creek (on ridge between Salmon and New Rivers, Rock Lake); Rock Lake, West Fork Knownothing Creek 1889 Comment
  LA41254  Phyllodoce empetriformis John Thomas Howell; 1937-7-24 13396 Siskiyou Caribou Basin, Salmon-Trinity Alps 1981 Comment
  UC1121050  Phyllodoce empetriformis H. A. Jensen 1933-10-5 361 Siskiyou Shasta National Forest, slope of Shastina Shastina; Shasta National Forest, Shastina 2590 Comment
  UC571043  Phyllodoce empetriformis Dorothy Tebbe 1929-7-3 4 Siskiyou above Round Lake (Mount Eddy); Mount Eddy 1524 Comment
  UC917232  Phyllodoce empetriformis R. Tofsrud and J. M. Tucker 1948-8-2 1767 Siskiyou s slope of Mount Shasta, Panther Meadows Panther Meadows; Mount Shasta, Panther Meadows 2407 Comment
  UC609320  Phyllodoce empetriformis Eleanor Burks Hart 1938-8-20 942 Siskiyou sw slope of Red Cap Red Cap 2255 Comment
  CAS-BOT-BC60762  Physaria occidentalis Gilbert Muth 1965-8-12 s.n. Siskiyou Behind Black Mountain. Comment
  CAS-BOT-BC140607  Physocarpus capitatus Copeland 1903-9-6 3858 Siskiyou Mt. Eddy Comment
  JEPS87965  Physocarpus capitatus Barbara Ertter 1990-7-14 9334 Siskiyou ca. 4 airmiles w. Mt. Shasta City (Wagon Creek on e. side of Mt. Eddy, where several forks join before steep drop); Mt. Eddy, Wagon Creek 1828 Comment
  CAS-BOT-BC73475  Picea breweriana Arthur Menzies 1961-7-1 s.n. Siskiyou Klamath National Forest - Copper Butte near Cook & Green Pass, north of Seiad Valley. Comment
  HSC19107  Picea breweriana J. O. Sawyer 1969-7-25 1528 Siskiyou SE facing slope W of Sugar Lake 1845 Comment
  HSC4814  Picea breweriana J. O. Sawyer 1968-9-28 725 Siskiyou Along ridge NE of Orleans Mtn. 1677 Comment
  UC1223745  Picea breweriana G. L. Stebbins Jr. 1963-7-5 Siskiyou ca 7 mi (airline) e Sawyer's Bar (creek is a tributary of Salmon River); Salmon Mountains, Blake's Fork of South Russian Creek 1615 Comment
  JEPS35940  Picea breweriana John Allen 1964-9-1 Siskiyou ca due w Orleans (on ridge between Dillon Creek and Elk Valley, road starts up from Orleans and finally one takes the Dillon Mtn. road) 1219 Comment
  RSA0059699  Picea breweriana J. T. Howell 1937-7-24 13413 Siskiyou Caribou Basin, Salmon-Trinity Alps. 1982 Comment
  RSA0059701  Picea breweriana J. T. Howell 1937-7-24 13413 Siskiyou Caribou Basin, Salmon-Trinity Alps. 1982 Comment
  UC1076376  Picea engelmannii B. C. Goldsmith 1930-9-3 Siskiyou tributary to Scott Valley; French Creek Comment
  CAS-BOT-BC73390  Pinus albicaulis Doris K. Kildale 1928-8-20 6613 Siskiyou Hancock Lookout, trail to Marble Mts. 2151 Comment
  HSC29671  Pinus attenuata Frederick W. Oettinger 1968-9-3 685 Siskiyou Marble Mtn. Wilderness Area, near ridge top of 'Rusty Ridge' near where it grades into Frang Peak W of Horse Range Lake, Bulk Collection 52 2012 Comment
  RSA12507  Pinus attenuata C. B. Wolf 1934-7-4 5929 Siskiyou 3/10 mile below Walker Creek, Klamath River. Comment
  UC1713756  Pinus balfouriana Mastrogiuseppe 1967-1-30 Siskiyou Mt. Eddy Comment
  JEPS47929  Pinus lambertiana W. L. Jepson 1914-8-9 Siskiyou near Mt. Shasta; McCloud Comment
  UC618594  Pinus monticola W. Bridge Cooke 1938-9-17 11705 Siskiyou slopes below Horse Camp; Mount Shasta 2133 Comment
  JEPS48189 Image available Pinus ponderosa W. L. Jepson 1914-8-14 Siskiyou Dunsmuir Comment
  RSA211308  Piperia unalascensis William J. Ferlatte 1967-7-26 742 Siskiyou Caribou Basin. Ridge west of Big Caribou Lake. Steep slope with talus and solid rock outcrops. Trinity Alps. 2134 Comment
  CAS-BOT-BC228038  Plagiobothrys Geo. D. Butler 1909-5-23 732 Siskiyou Near [Yreka?] Comment
  SEINET15345844  Plagiobothrys greenei L. C. Wheeler 1935-5-18 3502 Siskiyou Yreka Creek, Siskiyou Mts. 853 Comment
  UC78224  Plagiobothrys hispidulus T. S. Brandegee July, 1889 Siskiyou Sisson's Comment
  CAS-BOT-BC231002  Plagiobothrys hispidulus Alice Eastwood 1921-7-25 s.n. Siskiyou Near Pigrim Creek nursery Comment
  JEPS69750  Plagiobothrys hispidus W. B. and V. G. Cooke 1972-6-30 45416 Siskiyou above Andesite Crossing (Military Pass Road); Mt. Shasta 1524 Comment
  JEPS105206  Plagiobothrys kingii var. harknessii Dean W. Taylor 1995-6-4 14965 Siskiyou 3 miles west of Highway 89 on Grenada Road; Shasta Valley; Klamath National Forest; (ca. 10 miles North of Weed) 1158 Comment
  POM72152  Plagiobothrys nothofulvus Geo. D. Butler 1910-4-10 1164 Siskiyou Near Yreka. Comment
  POM368969  Plagiobothrys tenellus M. O'Mera 1974-5-25 422 Siskiyou On road 8 ca. 4.7 miles W of junction with Hwy 3. 1159 Comment
  UC1299357  Platanthera hyperborea Freed W. Hoffman 1950-7-13 3651 Siskiyou Baldy Mountain 1 mi from Lookout on road to Indian Creek (western Siskiyou County); Baldy Mountain Comment
  RSA68929  Platanthera leucostachys A. E. Culbertson 1943-7-12 29 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
  RSA211504  Platanthera sparsiflora William J. Ferlatte 1967-7-9 685 Siskiyou Kidd Creek Trail; Trinity Alps. 1890 Comment
  SEINET7096731  Plectritis macrocera A. G. Vestal 1963-6-1 s.n. Siskiyou North of Big Sprins (Mayten) on the Maten Road. NAD27, 41? deg. 36' 05ao, -122?_ 24' 10ao (converted to WGS84 decimal degrees) UTM Zone 10, 54977mE, 4605467mN. Comment
  UC573575  Plectritis macrocera M. H. Mitchell 1936-5-8 2 Siskiyou 2 mi e of Schonchin Butte 1371 Comment
  UC890152  Plectritis macrocera Louis C. Wheeler 1935-6-1 3537 Siskiyou Siskiyou Mountains, Yreka Creek Yreka Creek; Siskiyou Mountains, Yreka Creek 853 Comment
  HSC100199  Poa bulbosa J. P. Smith, J. O. Sawyer & R. J. Cole 2011-5-22 13164 Siskiyou Klamath National Forest, East Fork Campground. 735 Comment
  CAS-BOT-BC256022  Poa pratensis John Thomas Howell 1980-4-28 53368 Siskiyou Grenada 792 Comment
  CDA374  Poa pratensis G. D. Barbe, T. C. Fuller, J. T. Howell 1980-4-28 2586 Siskiyou Between Old Highway 99 and railroad at Truttman Lane, 3.2 km south of Grenada. Comment
  HSC39872  Poa pratensis J. O. Sawyer 1969-7-10 1208 Siskiyou N of Sugar Creek along FS Rd. 41N14 1372 Comment
  HSC58891  Poa pratensis Marvin Butler 1971-7-21 193 Siskiyou Near Bell Echo Camp, close to town of Cave Junction. 1433 Comment
  HSC92154  Poa pratensis Jennifer Whipple 1977-7-21 2011 Siskiyou Near Durney Lake 2073 Comment
  UC1535350  Poa pratensis subsp. pratensis W. J. Ferlatte 1987-5-22 2106 Siskiyou between Siskiyou Blvd and S.P.R.R. Grenada (2 mi s of intersection of Hwy A-12 and Siskiyou Blvd, 10-30' s of Truttman Lane); Yreka Quadrangle 783 Comment
  HSC39850  Poa rhizomata J. P. Smith 1973-5-5 6512 Siskiyou Along Cook and Green Pass Rd. Comment
  SEINET10954314  Poa scabrella Frank W. Gould 1940-5-15 Gould 1234 Siskiyou Lower Bull Meadow, Goosenest Mountain, in dry soil at edge at wet meadow. Comment
  CAS-BOT-BC237709  Poa secunda Elmer I. Applegate 1935-6-5 9341 Siskiyou Captain Jack's Ice Cave, Lava Beds National Monument Comment
  CHSC91719  Poa secunda G. Douglas Barbe; T. C. Fuller, J. T. Howell 1980-4-28 2594 Siskiyou Cascade Ranges. 2.5 miles south of Grenada Station, on roadside and railroad right of way. Comment
  RSA126059  Poa secunda I. L. Wiggins 1955-7-27 13527 Siskiyou Caribou Lake, Salmon-Trinity Alps Primitive Area. 2043 Comment
  RSA239034  Poa secunda Frederick W. Oettinger 1969-8-6 1223 Siskiyou South side of Pine Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1951 Comment
  RSA273422  Poa secunda J. P. Smith 1976-5-5 8708 Siskiyou road between Forks of Salmon and Somes Bar 366 Comment
  UCD90325  Poa secunda A. A. Beetle; G. L. Stebbins Jr. 1942-5-31 3399 Siskiyou 7 miles N of Weed. Comment
  RSA484241  Poa secunda Christopher Davidson 1975-6-5 2657 Siskiyou Just above gate on special service rd branching SE off rd from Gazelle to Callahan 9.3 mi. W of Gazelle. 1471 Comment
  HSC34000  Poa secunda subsp. secunda J. P. Smith 1974-5-25 7479 Siskiyou Along Rd. 8, 4.7 mi. W of its junction with Hwy. 3 1159 Comment
  UC144644  Poa secunda subsp. secunda A. A. Heller 1905-6-9 8007 Siskiyou Montague Comment
  UCD90888  Poa secunda subsp. secunda P. B. Dickey 1940-5-26 942 Siskiyou South of Dwinnell Lake. Comment
  JEPS101164  Poa wheeleri Dean W. Taylor 1996-6-19 15709 Siskiyou Lime Gulch; bordering Shasta Valley (about 15 miles south of Yreka) 1188 Comment
  UC1265392  Poa wheeleri Frederick W. Oettinger 1969-9-4 1666 Siskiyou s side of Tobacco Lake (vicinity of English Peak); Salmon Mts, High Lake Basins, Marble Mt Wilderness Area 1828 Comment
  SEINET3144935  Polemoniella micrantha G. D. Butler 1910-3-23 1137 Siskiyou Near Yreka Comment
  HSC19298  Polemonium californicum J. O. Sawyer 1969-6-2 1007 Siskiyou Summit above Albert Lake 2256 Comment
  HSC44955  Polemonium californicum J. O. Sawyer 1978-6-16 3218 Siskiyou Marble Mtn. Wilderness along trail to Elk Valley 1921 Comment
  UC163837  Polemonium californicum Geo. D. Butler 1910-7-9 1717 Siskiyou Marble Mountain 1828 Comment
  UC609346  Polemonium californicum Eleanor Burks Hart 1938-8-15 889 Siskiyou Upper Wright Lake 2225 Comment
  UC1190249  Polemonium californicum Ira L. Wiggins 1955-7-29 13573 Siskiyou n-facing slope between Caribou Lake and Pass to Thompson Creek; btw Caribou Lake and Pass to Thompson Creek 1956 Comment
  UCD118481  Polemonium micranthum R. N. Raynor 1940-4-16 s.n. Siskiyou Dorris. Comment
  UC572805  Polemonium pulcherrimum W. Bridge Cooke 1937-7-31 9167 Siskiyou Mt. Shasta 3048 Comment
  POM365429  Polemonium pulcherrimum J. P. Smith, J. O. Sawyer 1972-6-30 5643 Siskiyou Ridge west of Little Duck Lake 2378 Comment
  CAS-BOT-BC170328  Polygala cornuta var. cornuta Alice Eastwood 1922-10-18 11525 Siskiyou Shasta Springs Comment
  JEPS82423  Polygonum bistortoides Gilbert Muth 1966-8-1 481 Siskiyou Marble Valley horse pasture Marble Mt. Wilderness Ara 1792 Comment
  SEINET10624421  Polygonum convolvulus Smith Smith s.n. 1915 Siskiyou Sisson Comment
  UC55516  Polygonum convolvulus T. H. Gilbert Jun 15 1899-Jul 15 1899 Siskiyou Scott River Valley 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
  UC127342  Polygonum douglasii H. M. Hall and E. B. Babcock June, 1903 4096 Siskiyou Shasta Valley Mount Shasta 853 Comment
  UC1191239  Polygonum douglasii subsp. douglasii Herbert L. Mason 1948-7-18 13622 Siskiyou Grass Lake Comment
  CHSC71597  Polygonum douglasii subsp. spergulariiforme Vernon H. Oswald; Lowell Ahart 1998-8-3 9405 Siskiyou Junction of Gazelle-Callahan Rd. and USFS 41N03 11.5 mi west of Gazelle. 1524 Comment
  UC375323  Polygonum douglasii subsp. spergulariiforme Geo. D. Butler 1909-8-6 184 Siskiyou summit s Marble Valley Comment
  RSA598060  Polygonum douglasii subsp. spergulariiforme Louis C. Wheeler 1963-9-2 8331 Siskiyou Siskiyou Mountains. Near Bell Echo Camp, near Young's Valley, Clear Creek. 1402 Comment
  JEPS24027  Polygonum minimum Rimo Bacigalupi with Drs. Reino and Aloha Alava 1958-9-3 6890 Siskiyou Poker Flat Siskiyou Mountains 1536 Comment
  UC1409315  Polygonum minimum Frederick W. Oettinger 1969-8-14 1371 Siskiyou near English Lake; Salmon Mountains, Marble Mountain Wilderness Area 1828 Comment
  CAS-BOT-BC418587  Polygonum minimum Alice Eastwood 1912-8-22 1821 Siskiyou Trail from Morgans Springs to Lassen Butte Comment
  UC375149  Polygonum phytolaccifolium Geo. D. Butler 1908-8-4 182 Siskiyou Shackleford Creek; head Comment
  CAS-BOT-BC383121  Polygonum shastense Andrew Townesmith; Karen M. Meyer 2007-7-30 867 Siskiyou Shasta-Trinity National Forest. At the upper end of county road A10, mile 13.8 (from beginning of road in Mount Shasta City, 12.7 miles from National Forest boundary sign). Highest vehicle accessible point on Mount Shasta 2399 Comment
  SEINET3404053 Image available Polygonum shastense A. A. Heller 1920-8-12 13520 Siskiyou Spring above Horse Camp Comment
  CAS-BOT-BC421070  Polygonum spergulariiforme Doris K. Kildale 1928-7-25 5879 Siskiyou Klamath River near Hamburg 471 Comment
  POM212874  Polygonum spergulariiforme Louis C. Wheeler 1934-9-26 3303 Siskiyou Lumgrey Creek, Siskiyou Mts 1006 Comment
  UC196946  Polypogon monspeliensis Geo. D. Butler 1908-6-27 471 Siskiyou near Yreka (along creek); near Yreka Comment
  RSA612747  Polystichum imbricans L. C. Wheeler 1935-4-16 3421 Siskiyou Soap Creek, Siskiyou Mountains. (Mt Diablo Mer.) 1585 Comment
  UC338377  Polystichum lemmonii J. G. Lemmon and wife Sep 1889 Siskiyou s slope Mt. Eddy (near Mt. Shasta) Comment
  CAS-BOT-BC72392  Polystichum lemmonii Louis C. Wheeler 1934-8-13 3114 Siskiyou Klamath National Forest, E. Fk. Horse Creek 1981 Comment
  UC185240  Polystichum lemmonii Geo. D. Butler 1910-7-12 1756 Siskiyou Schackleford Creek 1371 Comment
  CAS-BOT-BC72405  Polystichum lonchitis John Thomas Howell 1939-8-3 14991 Siskiyou Spirit Lake, Marble Mts. 1828 Comment
  LA204822  Polystichum lonchitis Lawrence L. Kiefer; 1963-8-7 755 Siskiyou Baldy Mt (NW of Happy Camp), large bluff ca. 0.5 mi NW of lookout 1846 Comment
  SBBG19505  Polystichum lonchitis L. L. Kiefer 1963-8-9 732 Siskiyou Castle Lake, rocks at S end of lake 2133 Comment
  SBBG28170  Polystichum scopulinum L. C. Wheeler 1934-8-26 3225 Siskiyou Trapper Crk 1981 Comment
  UC366561  Polystichum scopulinum unknown 1878-7-12 Siskiyou near Shasta (Mt. Eddy) Comment
  HSC34471  Polystichum scopulinum A. M. Montalvo, J. D. Ackerman 1974-8-18 429 Siskiyou Ridge above chromium mine near Cyclone Gap and Copper Mtn. Siskiyou Mtns. 1829 Comment
  RSA693354  Polystichum scopulinum L. C. Wheeler 1934-8-13 3113 Siskiyou East Fork Horse Creek, Siskiyou Mountains 1982 Comment
  CAS-BOT-BC102769  Populus tremuloides Alice Eastwood 1921-7-25 10854 Siskiyou [Bigelows] Bigelow, [Mc Cloud] McCloud River Comment
  UCD138308  Potamogeton gramineus Calvin McMillen; Malcolm A. Nobs 1949-6-17 801 Siskiyou Grass Lake, Highway 97. Comment
  UC61052  Potamogeton natans W. A. Setchell, C. C. Dobie 1902-7-15 Siskiyou Sisson; Mount Shasta Comment
  JEPS94254  Potentilla anserina subsp. anserina Vernon H. Oswald and Lowell Ahart 1998-6-11 9212 Siskiyou Old State Highway 0.5 mi w of Bray (10 air mi e of Grass Lake located on Highway 97, 23 air mi ne of Weed); Old State Highway 1414 Comment
  JEPS109787  Potentilla cristae Dean W. Taylor 2002-7-29 18290 Siskiyou cirque as easterly base of summit ridge, South China Mounain 2423 Comment
  JEPS84266  Potentilla drummondii L. R. Heckard with S. D'Alcamo, J. Hickman, S. Winchester 1986-7-16 6372 Siskiyou ca 1/2 mi e Red Butte summit (ca 7 mi nne of Seiad Valley, w of Cook and Green Pass); nne Seiad Valley, e of Red Butte summit, w Cook and Green Pa 1900 Comment
  HSC86548  Potentilla drummondii D. K. Imper 1987-7-21 Siskiyou 8 mi. E of Somes Bar 1372 Comment
  SEINET11916322  Potentilla drummondii H. P. Chandler 1901-1 1564 Siskiyou nr Marble Mtn 1829 Comment
  CHSC1570  Potentilla flabellifolia V. Holt 1942-8-6 Siskiyou Caribou Lake, Trinity Alps. 2438 Comment
  UC648278  Potentilla flabellifolia John Thomas Howell 1939-8-10 15269 Siskiyou Sky High Valley Marble Mts., Sky High Valley 1828 Comment
  POM250748  Potentilla flabellifolia W. Bridge Cooke 1938-8-9 11626 Siskiyou Mt. Shasta. 2500 Comment
  JEPS74487  Potentilla fruticosa W. J. Ferlatte 1966-8-19 441 Siskiyou Kidd Creek Trail Trinity Alps, Kidd Creek Trail 1676 Comment
  UCD113876  Potentilla gracilis A. A. Heller 1919-6-20 13258 Siskiyou Metcalf's ranch, northeast base of Mt. Eddy. 1158 Comment
  UC1034646  Potentilla millefolia Milo S. Baker 1955-6-26 13080 Siskiyou Highway 99, 4 mi s Gazelle; s of Gazelle 914 Comment
  UC1037232  Potentilla millefolia Leo Whitney 1934-6-10 3035 Siskiyou Antelope Creek near Tennant; Antelope Creek near Tennant 1463 Comment
  CHSC71500  Potentilla newberryi Vernon H. Oswald; Lowell Ahart 1998-7-21 9343 Siskiyou Northeast of Weed and east of Grass Lake on the south side of Tennant Rd. 0.2 mi southeast of Old State Hwy. to Bray and on the east side of the intermittent stream draining Dry Lake. 1402 Comment
  CAS-BOT-BC158223  Prunus emarginata D. E. Breedlove 1962-6-11 3368 Siskiyou Along State Highway 89, 8.0 miles east of McCloud; Cascade Mountains 1127 Comment
  HSC19188  Prunus emarginata J. O. Sawyer 1968-6-18 216 Siskiyou Headwaters of Blake's Fork of S Russian Creek. 1738 Comment
  HSC90549  Prunus emarginata Jennifer Whipple 1977-8-6 2202 Siskiyou W side of Dobkins Lake 2073 Comment
  HSC96830  Prunus emarginata S. Lyon, J. McIntire 2006-6-25 31 Siskiyou 50 ft. E of intersection of FS 39N14 and 39N04 on 39N14 1616 Comment
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Nov 3 2014
  UC60888  Prunus emarginata W. A. Setchell, C. C. Dobie 1902-7-15 Siskiyou Mount Shasta, Sisson Mount Shasta; , Sisson Comment
  CAS-BOT-BC154678  Prunus subcordata Wm. Bridge Cooke 1938-8-5 11437 Siskiyou [MacBride] McBride Spring Road Comment
  UC618730  Prunus subcordata W. Bridge Cooke 1938-8-5 11437 Siskiyou ount Shasta, MacBride Spring Road Mount Shasta; , MacBride Spring Road 1371 Comment
  CAS-BOT-BC151242  Prunus virginiana var. demissa Doris K. Kildale 1929-5-31 9125 Siskiyou Cecilville, South Fork Salmon River Comment
  CAS-BOT-BC357394  Pseudognaphalium microcephalum Wm. Bridge Cooke 1938-8-5 11452 Siskiyou Mount Shasta. Near MacBride Spring Comment
  JEPS93903  Pseudostellaria jamesiana Vernon H. Oswald and Lowell Ahart 1998-8-3 9427 Siskiyou w of Kangaroo Lake (near the Pacific Crest Trail in the Scott Mountains); Scott Mountains 1981 Comment
  SBBG30524  Pseudostellaria jamesiana D. Myrick 1968-6-25 2016 Siskiyou Mountain Meadow Ranch, Big Flat, head of Coffee Crk, Trinity Alps 1524 Comment
  POM101810  Pseudostellaria jamesiana Geo. D. Butler 1910-6-4 1493 Siskiyou Shackleford Creek. Comment
  CAS-BOT-BC80176  Pseudotsuga menziesii Doris K. Kildale 1928-4-2 4402 Siskiyou Klamath River at Somes Bar Comment
  SEINET3875502  Pseudotsuga menziesii Alv Dan Youngberg 1964-8-17 51 Siskiyou Growing at West Branch Guard Station.; 0 671 Comment
  HSC69562  Pseudotsuga menziesii var. menziesii Maralyn A. Renner 1980-8-6 2286 Siskiyou Along trail, 0.5 mi. SE of Cyclone Gap. 1585 Comment
  HSC46225  Psilocarphus tenellus Jennifer Whipple 1978-6-5 2336 Siskiyou Weston Gulch in Scott Valley 854 Comment
  UC399468  Pteridium aquilinum var. pubescens Geo. D. Butler 1910-6-6 1462 Siskiyou Quartz Valley Quartz Valley Comment
  RSA238574  Pterospora andromedea Frederick W. Oettinger 1968-8-17 556 Siskiyou NW of Pine lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1875 Comment
  UC1409506  Pterospora andromedea F. W. Oettinger 1969-8-21 1482 Siskiyou trail from Abbott's Lake to Cold Springs (w Siskiyou Co.) 1524 Comment
  JEPS107956  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
  JEPS107662  Puccinellia lemmonii Lowell Ahart, John Dittes 2005-6-9 12006 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
  POM88105  Purshia tridentata var. tridentata Geo. D. Butler 1910-4-16 1184 Siskiyou Shasta River. Comment
  RSA121381  Purshia tridentata var. tridentata G. D. Barbe 1955-6-28 13 Siskiyou 0.4 mile N of Callahan 1006 Comment
  RSA0082800  Pyrola aphylla Frederick W. Oettinger 1969-8-9 1324 Siskiyou Along main trail (North fork of Salmon River) between 5 mile Stock Gate and Abbott's Upper Cabin. 1098 Comment
  HSC61839  Pyrola dentata Ruby Van Deventer 1938-7-31 Siskiyou Poker Flat 1585 Comment
  HSC69042  Pyrola dentata Maralyn A. Renner 1980-8-7 2351 Siskiyou Klamath National Forest, ridge just E of saddle, S of Rattlesnake Meadow 1799 Comment
  CHSC33838  Pyrola picta J. D. Prouty 1981-7-13 1232 Siskiyou The W slope of Lookout Point. 1615 Comment
  HSC804  Pyrola picta William J. Ferlatte 1967-7-25 715 Siskiyou N side of Caribou Mtn. 1982 Comment
  UC1483416  Pyrola picta John Palmer 1980-8-15 968 Siskiyou ne of Seiad Low Gap on spur of Forest Road 46N50, Klamath National Forest Seiad Low Gap; Klamath National Forest, Forest Road 46N50 1097 Comment
  UC166181  Pyrola picta Geo. D. Butler 1910-6-17 1575 Siskiyou Humbug Mountain 1219 Comment
  CHSC42066  Quercus agrifolia var. agrifolia Marci Romano 1986-4-3 1 Siskiyou 1 mi w of Etna on Sawyer's Bar rd. 899 Comment
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Jan 14 2016
  POM270211  Quercus chrysolepis George B. Grant 1902-09 s.n. Siskiyou Dunsmuir, N. California. Comment
  CAS-BOT-BC94656  Quercus garryana W. R. Dudley 1899-8-25 s.n. Siskiyou East Scott's Creek near Parker's Comment
  CAS-BOT-BC62765  Quercus garryana var. breweri Marion Ownbey; Fred G. Meyer 1940-7-8 2229 Siskiyou summit of Siskiyou Mountains, 21 miles north of Happy Camp Comment
  RSA47633  Quercus garryana var. garryana Roxana S. Ferris, Laura Lorraine 1948-6-12 11846 Siskiyou Gazelle Mountain grade, road between Callahan and Gazelle. 1500 Comment
  UCD46071  Quercus garryana var. garryana Frank C. Vasek 1975-6-29 750629 7A Siskiyou 2.3 miles east of Callahan, Siskiyou County, California. Comment
  UC61189  Quercus kelloggii W. A. Setchell, C. C. Dobie Jul 1902 Siskiyou Sisson Tavern Mount Shasta Comment
  SEINET10838949  Quercus kelloggii Katherine L. Morris, Melvin L. Conrad; David B. Dunn 1973-6-2 Morris 349 Siskiyou Found at the junction of shasta and klamath rivers on hwy 263 Comment
  CAS-BOT-BC104346  Quercus sadleriana Arthur Menzies 1961-7-1 s.n. Siskiyou Cook & Green Pass, Siskiyou Mts., Klamath National Forest Comment
  CAS-BOT-BC104369  Quercus sadleriana Henry M. Pollard 1947-9-6 s.n. Siskiyou Dillons Mt. Forest Road 1524 Comment
  RSA293015  Quercus sadleriana Reino Alava, Aloha Alava, Rimo C. Bacigalupi 1958-9-3 2454 Siskiyou At the junction of the road to Poker Flat and the road from Happy Camp to Takilma. 1377 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
  UCSB15541  Quercus sadleriana D. Breedlove 1962-6-10 3289 Siskiyou ALONG INDIAN CREEK RD LITTLE GREYBACK MOUNTAIN (FROM O'BRIEN TO HAPPY CAMP) 1554 Comment
  UCSB57179  Quercus sadleriana Holloway, Sandra 1963-10-12 Siskiyou Junction Red Rock Valley trail and Canyon Creek trail (T.43.R.11W., southeast corner section 7), Marble Mountain Wilderness Area Comment
  UCD15034  Ranunculus John M. Tucker 1963-7-8 3733 Siskiyou Marble Mountain Wilderness Area, trail to Marble Valley, ca. 2 mi. south of Paradise Lake; Comment
  CAS-BOT-BC380413  Ranunculus alismifolius var. hartwegii Alice Eastwood 1921-7-28 10927 Siskiyou Medicine Lake Comment
  CAS-BOT-BC380414  Ranunculus alismifolius var. hartwegii Frank W. Gould 1940-5-14 1225 Siskiyou Bull Meadows 11 mi west of Highway US 97 on road to Montague 1676 Comment
  SBBG48693  Ranunculus aquatilis var. diffusus R. N. Philbrick 1974-9-2 Siskiyou Shasta River, just E of Grenada Comment
  HSC28663  Ranunculus aquatilis var. diffusus Frederick W. Oettinger 1969-9-5 1679 Siskiyou Marble Mtn. Wilderness Area, Abbott's Lake 1768 Comment
  HSC19169  Ranunculus eschscholtzii var. eschscholtzii J. O. Sawyer 1969-7-9 1275 Siskiyou NE facing slope above S Sugar Lake 2256 Comment
  UC375274  Ranunculus flammula Geo. D. Butler 1908-8-3 350 Siskiyou Shackleford Creek Long Lake Comment
  UC165956  Ranunculus occidentalis Geo. D. Butler 1910-4-19 1199 Siskiyou gully near Yreka Comment
  HSC18127  Ranunculus occidentalis var. dissectus Geo. D. Butler 1909-4-25 683 Siskiyou Quartz Valley Comment
  HSC597  Ranunculus orthorhynchus var. orthorhynchus William J. Ferlatte 1966-6-22 106 Siskiyou 3 mi. S of Big Flat 1585 Comment
  RSA240070  Ranunculus uncinatus var. parviflorus Frederick W. Oettinger 1969-8-9 1313 Siskiyou Along trail near Youngs cabin. Salmon Mtns. High Lake Basins in the vicinity of English Peak. Marble Mtn Wilderness Area. 1463 Comment
  UC870845  Rhamnus californica A. A. Heller 1916-7-22 12490 Siskiyou e side Mt. Eddy Comment
  POM283029  Rhamnus ilicifolia Lyman Benson 1929-3-27 1076 Siskiyou Rocky slopes by Klamath River, Pacific Hwy Comment
  SEINET4077328  Rhododendron maximum Unknown 1891-1 sn Siskiyou Hamburg. Comment
  CHSC96002  Rhododendron neoglandulosum L. P. Janeway 2006-7-4 8786 Siskiyou Klamath Ranges. Scott Mountains; Darlingtonia fen and creeklet complex above Road 40N13 1.6 air km west of Scott Mountain Summit. 1728 Comment
  UC141198  Rhododendron occidentale Dr. E. B. Copeland 1903-9-6 3881 Siskiyou Mount Eddy; Pacific Coast, Mount Eddy 1463 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
  CAS-BOT-BC438013  Ribes L. E. Smith 1913-7-29 s.n. Siskiyou Rainbow Comment
  CAS-BOT-BC438014  Ribes Louis C. Wheeler 1934-6-28 2815 Siskiyou Little Soda Cr., Klamath Forest 1066 Comment
  HSC99736  Ribes binominatum J. O. Sawyer 1969-7-18 1160 Siskiyou E of Waterdog Lake 2012 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
  SEINET13942379 Image available Ribes cereum E. K Balls 1950-1 14703 Siskiyou Lava beds. Lava Beds National Monument, below Indian Well Public Camp. Alt 4600 ft 1402 Comment
  CAS-BOT-BC168860  Ribes inerme var. klamathense L. E. Smith 1913-5-4 251 Siskiyou Hornbrook Comment
  CAS-BOT-BC168862  Ribes inerme var. klamathense A. A. Heller 1905-6-15 8042 Siskiyou Near Sisson, first ridge west of Sisson Comment
  JEPS84054  Ribes lacustre L. R. Heckard with S. D'Alcamo, J. Hickman, S. Winchester 1986-7-16 6352 Siskiyou ca. 1/2 mi se Red Butte (ca. 7 mi nne of Seiad Valley, w of Cook and Green Pass) 1730 Comment
  RSA0021105  Ribes lacustre Frederick W. Oettinger 1968-8-6 426 Siskiyou SE corner of Hancock Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1936 Comment
  CAS-BOT-BC212490  Ribes marshallii Doris K. Kildale 1928-8-20 6605 Siskiyou Lily Pad Lake nera Hancock Lookout Trail to Marble Mt. 1981 Comment
  HSC33925  Ribes marshallii J. O. Sawyer 1968-7-2 382 Siskiyou Upper drainage of Joe Creek 1677 Comment
  HSC40859  Ribes marshallii J. O. Sawyer 1973-7-18 2550 Siskiyou Hamilton Camp Comment
  HSC671  Ribes nevadense William J. Ferlatte 1967-7-9 688 Siskiyou Kidd Creek Trail 1860 Comment
  UC618600  Ribes nevadense W. Bridge Cooke 1938-6-17 11006 Siskiyou Sisson Southern Trail Mount Shasta Comment
  CAS-BOT-BC199985  Ribes roezlii var. cruentum Alice Eastwood 1923-5-18 11840 Siskiyou Shasta Springs Comment
  HSC26225  Ribes roezlii var. cruentum J. P. Smith, J. O. Sawyer 1972-5-27 5358 Siskiyou Hwy. 3 near the Scott Mtn. Campground on divide between Scott and Trinity Rivers 1601 Comment
  SBBG27526  Ribes roezlii var. cruentum L. C. Wheeler 1935-5-12 3491 Siskiyou Greenhorn Crk, Siskiyou Mtns 914 Comment
  CAS-BOT-BC200005  Ribes roezlii var. cruentum L. E. Detling 1950-6-9 6600 Siskiyou LBlack Butte Summit (Hwy. 99) 1188 Comment
  JEPS49244 Image available Ribes sanguineum W. L. Jepson 1907-7-5 2822 Siskiyou near Marble Mt. (head of Shackelford Canyon) 2133 Comment
  RSA0019537  Ribes sanguineum Geo. D. Butler 1910-5-1 1265 Siskiyou Humbug Mountain. Comment
  RSA0019543  Ribes sanguineum Joseph P. Tracy 1951-6-16 19497 Siskiyou Summit of the Siskiyous, at crossing of the Takilma-Happy Camp Road near state line. Comment
  SBBG27521  Ribes sanguineum var. glutinosum L. C. Wheeler 1934-6-12 2695 Siskiyou N Hungry Crk, Siskiyou Mtns 1310 Comment
  CAS-BOT-BC144519  Ribes sanguineum var. sanguineum Geo. D. Butler 1910-7-12 1759 Siskiyou Dry ridge, Shackleford Creek 1371 Comment
  UC375357  Ribes velutinum Geo. D. Butler 1909-3-28 576 Siskiyou near Yreka Comment
  CAS-BOT-BC168791  Ribes viscosissimum Wm. Bridge Cooke 1938-6-17 11005 Siskiyou Sisson Southern Trail, Mount Shasta 1676 Comment
  CAS-BOT-BC168809  Ribes viscosissimum John Thomas Howell 1939-8-2 14923 Siskiyou Spirit Lake, Marble Mts. Comment
  UC1312926  Ribes viscosissimum John M. Tucker 1963-7-7 3710 Siskiyou vicinity Paradise Lake (at base on e side of Kings Castle); Marble Mountain Wilderness Area 1981 Comment
  UC75457  Ribes viscosissimum Milo S. Baker 1899-7-31 Siskiyou Ash Creek, e slope of Mt. Shasta Mt. Shasta Comment
  HSC46764  Ribes viscosissimum William J. Ferlatte 1974-7-15 1540 Siskiyou Yellow Rose Mine Trail 1646 Comment
  JEPS77659  Ribes viscosissimum William J. Ferlatte 1974-7-15 1540 Siskiyou Yellow Rose Mine Trail Trinity Alps 1645 Comment
  CDA25109  Rorippa columbiae G. Deal 1964-8-14 Siskiyou Havalina property, north of city limits of Tulelake. 0 Comment
  CAS-BOT-BC74658  Rorippa curvisiliqua John Thomas Howell 1939-8-5 15064 Siskiyou Spirit Lake, Marble Mountains. 1828 Comment
  HSC74818  Rorippa curvisiliqua J. P. Smith, J. O. Sawyer 1978-7-3 9998 Siskiyou Klamath National Forest, Williams Point along the Klamath River, S of Hwy. 96 Comment
  UC165305  Rorippa curvisiliqua Geo. D. Butler 1908-7-16 118 Siskiyou near Yreka Comment
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Feb 18 2009
  CAS-BOT-BC74654  Rorippa curvisiliqua Doris K. Kildale 1928-7-4 5530 Siskiyou 1.5 mile west of summit of divide between Salmon River and Scott Valley. Comment
  HSC29182  Rorippa curvisiliqua Frederick W. Oettinger 1968-8-22 495 Siskiyou Salmon Mtns., Marble Mtn. Wilderness Area, just before first moraine en route to Tobacco Lake 1890 Comment
  HSC76684  Rorippa curvisiliqua K. T. Stillman 1976-7-30 324 Siskiyou Marble Mtn. Wilderness Area, ridge N of Black Mtn. into Elk Valley by way of Boulder Field, SE corner of valley 1768 Comment
  RSA237284  Rorippa curvisiliqua Frederick W. Oettinger 1968-8-12 495 Siskiyou Just before first moraine enroute to Tobacco Lake. The Salmon Mtns. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1890 Comment
  CAS-BOT-BC147470  Rosa californica Annie M. Alexander; Louise Kellogg 1911-6-13 128 Siskiyou 6 miles N.W. of Callahan Comment
  SEINET7665341  Rosa californica G. D. Butler 1910-5-16 1352 Siskiyou Yreka Comment
  CAS-BOT-BC146747  Rosa gymnocarpa Marian L. Campbell 1921-7-26 s.n. Siskiyou Near Castle Crags Comment
  HSC99791  Rosa gymnocarpa T. Jimerson, J. Pageau 1979-6-15 566 Siskiyou Near Bark Shanty Camp, close to the town of Orleans. 1067 Comment
  POM140217  Rosa gymnocarpa E. B. Copeland 1904-08 s.n. Siskiyou Mt. Shasta Comment
  UC136511  Rosa gymnocarpa Dr. E. B. Copeland 1903-9-5 3874 Siskiyou foot Mt. Eddy 1219 Comment
  UC164424  Rosa gymnocarpa Geo. D. Butler 1910-5-30 1437 Siskiyou Humbug Mountain 1219 Comment
  RSA300567  Rosa nutkana John Dourley, Walter Wisura 1982-10-15 3871 Siskiyou Near fish hatchery on W side of town of Mt. Shasta. 1067 Comment
  RSA300565  Rosa pisocarpa Walter Wisura, John Dourley 1982-10-16 3873 Siskiyou Shores of Castle Lake, SW of town of Mt. Shasta. 1646 Comment
  POM91434  Rubus glaucifolius Geo. D. Butler 1910-6-17 1566 Siskiyou Humbug[?] Mtn 1220 Comment
  HSC61949  Rubus lasiococcus Ruby Van Deventer 17 Jul [year missing] Siskiyou Poker Flat 1585 Comment
  HSC62281  Rubus lasiococcus Al Hobart 1968-6-20 Siskiyou Youngs Valley 1768 Comment
  HSC19405  Rubus parviflorus J. O. Sawyer 1968-7-10 457 Siskiyou Floodplain of Sugar Creek near Sugar Lake. 1799 Comment
  CHSC36165  Rubus ursinus K. Bridwell 1978-4-14 88 Siskiyou Along Klamath River, ca. 4 mi s of Hornbrook. 670 Comment
  UC179524  Rudbeckia klamathensis A. A. Heller 1914-8-28 11731 Siskiyou Mt. Eddy 1524 Comment
  SBBG30520  Rumex acetosella D. Myrick 1968-6-24 2001 Siskiyou Mountain Meadow Ranch, Big Flat; Coffee Crk 1524 Comment
  UC1023810  Rumex acetosella Douglas Barbe 1955-6-29 41 Siskiyou 1.8 mi e Callahan (s bank of Scott River); Klamath Mountains, Scott River 975 Comment
  JEPS39874  Rumex crispus Geo. D. Butler 1908-6-25 513 Siskiyou near Yreka (Butler's Ranch) Comment
  JEPS93887  Rumex crispus Vernon H. Oswald and Lowell Ahart 1998-7-21 9345 Siskiyou 0.2 mi se of Old State Highway to Bray (ne of Weed and e of Grass Lake on the s side of Tennant Road, and on e side of intermittent stream draining Dry Lake); Tennant Road 1402 Comment
  CAS-BOT-BC433865  Rumex salicifolius Peter H. Raven 1956-8-11 10068 Siskiyou 9.6 miles south of turnoff to Bray on U.S. Highway 91 Comment
  CAS-BOT-BC103367  Salix bonplandiana Thos. Howell 1889-4-14 1393 Siskiyou Hornbrook Comment
  CAS-BOT-BC103534  Salix commutata John Thomas Howell 1939-8-7 15125 Siskiyou Sky High Valley, Marble Mts. 1828 Comment
  CAS-BOT-BC103548  Salix commutata Alice Eastwood 1921-7-29 10970 Siskiyou Medicine Lake Comment
  HSC76982  Salix eastwoodiae K. T. Stillman 1976-6-25 74 Siskiyou Marble Mtn. Wilderness Area 1799 Comment
  RSA184756  Salix eastwoodiae Gilbert Muth 1966-7-8 377 Siskiyou Marble Valley. Marble Mtns. 1793 Comment
  RSA186320  Salix eastwoodiae Gilbert Muth 1966-10-16 4 Siskiyou Marble Mountains 1793 Comment
  RSA201502  Salix eastwoodiae J. T. Howell 1939-8-7 15131 Siskiyou Marble Mountain: Sky High Valley. 1829 Comment
  UC164036  Salix exigua var. hindsiana Geo. D. Butler 1910-5-14 1339 Siskiyou Yreka Creek Comment
  UC482250  Salix lasiandra subsp. lasiandra Mrs. H. P. Bracelin 1931-6-19 423 Siskiyou ca. 16 km. n.w. Shasta City (n.e. side Mt. Eddy, stream above Metcalf ranch house); Mt. Eddy 1350 Comment
  CAS-BOT-BC125445  Salix lasiandra var. lasiandra Mrs. H. P. Bracelin 1931-6-19 411 Siskiyou Northeast side of Mount Eddy, about 16 km. northwest of Shasta City; above Metcalf ranch house 1425 Comment
  CAS-BOT-BC125476  Salix lasiandra var. lasiandra A. A. Heller 1905-6-15 8032 Siskiyou Sisson 1083 Comment
  CAS-BOT-BC107073  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-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
  CHSC13909  Salix lasiolepis E. L. Smith 1971-4-8 934 Siskiyou Yreka. 792 Comment
  HSC69187  Salix lasiolepis Maralyn A. Renner 1980-8-31 2631 Siskiyou Twin Valley. 1494 Comment
  POM107144  Salix lasiolepis Geo. D. Butler 1909-9-20 1083 Siskiyou Yreka Creek. Comment
  UC482338  Salix lasiolepis Mrs. H. P. Bracelin 1931-6-20 434 Siskiyou about 10 km nw Shasta City (beside road, e of Metcalf ranch house, n base of mt.); Mt. Eddy 1080 Comment
  CAS-BOT-BC124545  Salix lasiolepis var. lasiolepis Louis C. Wheeler 1934-12-16 3363 Siskiyou Oak Knoll Ranger Station, Klamath River, Siskiyou Mts. 670 Comment
  CAS-BOT-BC128307  Salix lasiolepis var. lasiolepis Carl B. Wolf 1927-8-27 1117 Siskiyou On the Klamath River, Happy Camp Comment
  CAS-BOT-BC124898  Salix lemmonii Mrs. H. P. Bracelin 1931-6-21 467 Siskiyou North side of Mount Eddy, about 21 km. northwest of Shasta City; 180 m. below Dobkin's Lake 1770 Comment
  UCR133525  Salix lemmonii Mrs. H. P. Bracelin 1931-6-21 467 Siskiyou North side of Mount Eddy, about 21 km northwest of Shasta City, below Dobkins Lake 1650 Comment
  CAS-BOT-BC125688  Salix melanopsis Doris K. Kildale 1929-7-20 8565 Siskiyou South Fork Indian Creek near Happy Camp 457 Comment
  CAS-BOT-BC125691  Salix melanopsis W. R. Dudley 1901-8-25 s.n. Siskiyou By road, South Fork Scotts Comment
  CAS-BOT-BC125932  Salix prolixa L. E. Smith 1914-3-18 587 Siskiyou Yreka Comment
  CAS-BOT-BC126170  Salix scouleriana John Thomas Howell 1939-8-6 15102 A Siskiyou Elk Peak, Marble Mts., Siskiyou Mts. Comment
  HSC99834  Salix scouleriana G. L. Clifton 1979-7-1 6189 Siskiyou Near Poker Flat, close to the town of Happy Camp 1538 Comment
  POM107201  Salix scouleriana Geo. D. Butler 1909-4-11 1079 Siskiyou Shasta Retreat. Comment
  UC1135100  Salix scouleriana H. A. Jensen 1933-10-25 366 Siskiyou s. of Signal Butte (Mt. Shasta-McCloud Rd.); Shasta Nat'l Forest, Dunsmuir Quad. Comment
  UCR142840  Salix scouleriana Mrs. H. P. Bracelin 1931-6-19 435 Siskiyou North base of Mount Eddy, c. 10 km. northwest of Shasta City, east of Metcalf ranch house 1080 Comment
  UC576373  Salix sitchensis Mrs. H. P. Bracelin 1937-7-22 870 Siskiyou beyond head of Big Flat (near S. Fork Salmon River) 1615 Comment
  UC144539  Salvia sonomensis A. A. Heller 1905-6-16 8044 Siskiyou near Sisson Comment
  POM67340  Sambucus caerulea Geo. D. Butler 1910-5-29 1425 Siskiyou Near Yreka. Comment
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Jan 23 2011
  CAS-BOT-BC238883  Sambucus nigra subsp. caerulea Gilbert Muth 1965-8-2 s.n. Siskiyou 1/2 between Gate & Lower Sky High Lakes Comment
  CAS-BOT-BC238884  Sambucus nigra subsp. caerulea Wm. Bridge Cooke 1939-6-30 13566 Siskiyou Mount Shasta. Grows near the outlet of MacBride Springs Comment
  HSC58855  Sambucus nigra subsp. caerulea Marvin Butler 1971-1 241 Siskiyou Near Copper Mtn., close to the town of Cave Junction. 1464 Comment
  CAS-BOT-BC236486  Sambucus racemosa subsp. racemosa John Thomas Howell 1939-8-3 15011 Siskiyou Spirit Lake, Marble Mts. 1828 Comment
  UC735045  Sanicula bipinnatifida Lincoln Constance and R. H. Shan 1946-5-31 3060 Siskiyou Sacramento River at Dunsmuir Sacramento River; , Dunsmuir 701 Comment
  UC901893  Sanicula graveolens L. Constance 1950-7-16 3360 Siskiyou Little Grayback Peak near summit Little Grayback Peak 1737 Comment
  SEINET3240204  Santalaceae R. L. Mathiasen 2007-1 2007 -33 Siskiyou Ca. 9.6 km from Stewart Hot Springs on forest road 17 1820 Comment
  HSC100834  Saponaria officinalis J. P. Smith 2009-8-22 12660 Siskiyou Near bridge over East Fork of the Scott River. 1006 Comment
  UCSB24548  Saponaria officinalis Keefe, Joseph 1967-7-11 Siskiyou Fort Goff Campground; east of Seiad Valley 396 Comment
  HSC34487  Sarcodes sanguinea A. Montalvo, J. D. Ackerman 1974-8-17 426 Siskiyou W slope of Preston Peak, W Siskiyou Mtns. 1524 Comment
  JEPS59093  Sarcodes sanguinea W. L. Jepson 1907-7-6 2859 Siskiyou Ridge above Cudahay Valley, region of Marble Mt. Comment
  UC1733718  Saxifraga Kay H. Beach, Frank Gould 1940-5-15 630 Siskiyou Bull Meadows Comment
  JEPS82700  Saxifraga aprica Wayne Roderick 1984-6-5 Siskiyou 12 air km sw of Mount Shasta City (aabove Castle Lake) 1981 Comment
  CAS-BOT-BC482444  Saxifraga mertensiana Dana York 2011-8-13 3052 Siskiyou Marble Mountain Wilderness, Klamath National Forest, E-slope of Black Marble Mountain 1950 Comment
  RSA261470  Saxifraga nidifica var. claytoniifolia J. M. Tucker 1963-7-7 3727 Siskiyou In vicinity of Paradise Lake, at base of Kings Castle on the east side, Marble Mountain Wilderness Area. 1982 Comment
  RSA120760  Saxifraga nidifica var. nidifica S. S. Tillett 1956-7-9 646 Siskiyou Scott Mtn, Siskiyou-Trinity County line, 8 miles SE of Callahan. 1921 Comment
  UC1360404  Saxifragopsis fragarioides Jack Major, M. Fleschner, and R. Pemble 1966-9-4 Siskiyou near top Marble Mountain; Marble Mountains 2225 Comment
  UC1100759  Scirpus acutus var. occidentalis Verne Grant and Irving Schneider 1947-8-25 8283 Siskiyou w side Tule Lake; w side of Tule Lake Comment
  RSA238937  Scirpus congdonii Frederick W. Oettinger 1969-8-22 1500 Siskiyou On the south side of Horses Hole Pond above Horse Range Lake. Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1875 Comment
  UC184694  Scirpus maritimus Geo. D. Butler 1910-8-21 1847 Siskiyou Shasta Valley Comment
  UCD77991  Scirpus microcarpus Robert E. Preston 2002-7-13 1921 Siskiyou Klamath National Forest, Trout Creek Meadow 1505 Comment
  HSC33327  Scirpus microcarpus William J. Ferlatte 1974-7-14 1530 Siskiyou Big Flat near S Fork of Salmon River, W of campground 1509 Comment
  RSA210796  Scirpus nevadensis Robert F. Thorne, James Henrickson, C. W. Tilforth 1969-9-3 39044 Siskiyou 2 miles W of Lower Klamath National Wildlife Refuge 1296 Comment
  SEINET3915118  Scirpus validus K. Morris, Conrad; Dunn 1973-6-2 347 Siskiyou Found at the junction of Shasta and Klamath River on Hwy 263.; 0 Comment
  UCD98526  Scleranthus annuus subsp. annuus Louis C. Wheeler 1935-6-15 3585 Siskiyou Greenview, Scott Valley. 883 Comment
  CHSC106096  Sclerochloa dura Lowell Ahart; John Dittes 2010-7-30 16943 Siskiyou In the road tracks to the west edge of the Shasta River, about 30 yards south 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
  JEPS117469  Sclerochloa dura Lowell Ahart, John Dittes 2010-7-30 16943 Siskiyou In the road tracks to the west edge of the Shasta River, about 30 yards south 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 Gr 716 Comment
  SJSU7863  Sclerolinon digynum M. R. Kempf 1965-7-14 Siskiyou c. 2 mi SE of Bartle on State Rte 89 1219 Comment
  CAS-BOT-BC5855  Scorzonella pratensis Edward Lee Greene 1876-6-23 883 Siskiyou Yreka Comment
  UC1408772  Scutellaria antirrhinoides Frederick W. Oettinger 1969-8-1 1128 Siskiyou High Lake Basins in vicinity of English Peak (below English Lake,); Salmon Mountains, Marble Mountain Wilderness Area 1676 Comment
  SEINET13709498  Scutellaria galericulata Lowell William Ahart, Lowell William Ahart 1998-1 9350 Siskiyou NE of Weed and S of Macdoel in An Area of Marshes and Wet Meadows along Old State Hwy on The W Side of Bray (T44N, R1W, sec 20, SE 1/4) 1417 Comment
  UCR278356  Sedum kiersteadiae Peter F. Zika 2013-6-28 26289 Siskiyou Klamath Range, Route 26, 0.6 air km west-northwest of Gumboot Lake 1960 Comment
  CAS-BOT-BC61459  Sedum lanceolatum K. T. Stillman 1976-6-25 106 Siskiyou Scott Bar quad. Marble Mountain Wilderness Area. 2072 Comment
  HSC77356  Sedum lanceolatum var. lanceolatum L. P. Janeway 1982-6-27 28 Siskiyou SE side of Elk Creek 701 Comment
  JEPS98769  Sedum laxum subsp. flavidum Dean W. Taylor 1996-6-18 15702 Siskiyou Scott Mountains; bordering Shasta Valley, hillslopes about 4 miles south of Gazelle; Shasta-Trinity National Forests 1249 Comment
  UC1483539  Sedum obtusatum subsp. boreale John Palmer 1980-7-23 573 Siskiyou Past Elbow Springs at end of F.S. Rd. 15N19 Dillon Mtn Quad., Klamath National Forest (Klamath National Forest) 1219 Comment
  POM259593  Sedum obtusatum subsp. boreale J. T. Howell 1939-8-8 15141 Siskiyou Between Marble Valley and Sky High Valley, Marble Mts. Comment
  CHSC96024  Sedum obtusatum subsp. obtusatum L. P. Janeway 2006-7-4 8798 Siskiyou Klamath Ranges. Scott Mountains; opening on spur ridge 1.9 km west-southwest of Scott Mountain Summit. 1838 Comment
  HSC74907  Sedum obtusatum subsp. retusum J. P. Smith 1978-7-1 9959 Siskiyou Klamath National Forest, Baker Cypress Grove 854 Comment
  CAS-BOT-BC64082  Sedum oregonense Annetta Carter 1939-8-21 1467 Siskiyou Slope about SE end of Taylor Lake, 12 mi SW of Etna, Salmon Mountains. Comment
  RSA0083647  Sedum oregonense Frederick W. Oettinger 1968-9-7 770 Siskiyou NW-facing slope of Golden Peak, due SE of Tobacco Lake and at approx. mid slope. 2012 Comment
  RSA237790  Selaginella densa var. scopulorum Frederick W. Oettinger 1968-8-5 401 Siskiyou Between English Peak and Diamond Lake, Mount Hemlock Forest. Salmon Mtns. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2073 Comment
  CHSC90388  Selaginella wallacei Martin J. Lenz 2004-12-17 1085 Siskiyou Road cutbank near small tributary of Tompkins Cr., approx. 7.1 air mi. SW of mouth of Scott River. UTM: 10 489596 E 4616333 N. 957 Comment
  HSC68064  Senecio aronicoides J. P. Smith 1976-5-21 8769 Siskiyou Klamath National Forest, FS Rd. 40N08, 6.9 mi. from its junction with Hwy. 3 1524 Comment
  SBBG8726  Senecio aronicoides H. and M. Dearing 1939-6-5 3557 Siskiyou E of McCloud Comment
  HSC91183  Senecio fremontii Jennifer Whipple 1977-7-20 1990 Siskiyou N slopes of Mount Eddy 2500 Comment
  CAS-BOT-BC363590  Senecio fremontii var. fremontii Peter H. Raven 1956-9-4 10413 Siskiyou S. slope of Mt. Eddy 2682 Comment
  HSC76910  Senecio integerrimus K. T. Stillman 1976-6-26 122 Siskiyou Marble Mtn. Wilderness Area, near Bear Lake. 1829 Comment
  CAS-BOT-BC363932  Senecio integerrimus var. exaltatus John Thomas Howell 1937-7-22 13309 Siskiyou South Fork of Salmon River near Big Flat 1524 Comment
  SEINET10726584  Senecio scorzonella Karen M. Meyer, Andrew Townesmith 2007-7-31 Meyer 178 Siskiyou Shasta-Trinity National Forest. 8.1 mi. on NF Rd. 17, off US Hwy. 97. 1607 Comment
  CAS-BOT-BC364446  Senecio triangularis Doris K. Kildale 1929-8-23 8803 Siskiyou Youngs Valley on trail to Preston Peak Comment
  HSC19472  Senecio triangularis J. O. Sawyer 1968-7-9 432 Siskiyou W of Little Duck Lake. 1936 Comment
  HSC61996  Senecio triangularis Ruby Van Deventer 1959-7-9 Siskiyou Poker Flat 1585 Comment
  HSC76653  Senecio triangularis K. T. Stillman 1976-7-23 298 Siskiyou Marble Mtn. Wilderness Area 2012 Comment
  JEPS37192  Senecio triangularis W. L. Jepson 1907-7-10 2879 a Siskiyou w of Cottage Grove (Onion Patch on trail to summit of Klamath Range, w Siskiyou Co.); Klamath Range Comment
  UC832134  Senecio triangularis A. A. Heller 1915-8-26 12226 Siskiyou meadow near the head Wagon Creek Canyon (Mt. Eddy); Mt. Eddy 2590 Comment
  CAS-BOT-BC364431  Senecio triangularis L. R. Short 1933-8-5 106 Siskiyou Klamath National Forest. Big ridge N. of Marble Mts. 1981 Comment
  CAS-BOT-BC364724  Sericocarpus oregonensis subsp. californicus Alice Eastwood 1917-9-2 6659 Siskiyou Shasta Springs Comment
  HSC75  Sibbaldia procumbens William J. Ferlatte 1967-8-20 1050 Siskiyou Caribou Basin, Sawtooth Ridge 2043 Comment
  SBBG27378  Sibbaldia procumbens L. C. Wheeler 1934-8-2 3018 Siskiyou Alex Hole, Alex Cyn 1889 Comment
  JEPS67298  Sidalcea asprella W. L. Jepson 1937-7-30 18551 Siskiyou Poker Flat Siskiyou Mts., headwaters Indian Creek (headwaters Indian Creek) 1584 Comment
  HSC60831  Sidalcea malviflora Ruby Van Deventer 1960-7-7 Siskiyou Bell Echo Camp in Youngs Valley Comment
  HSC69023  Sidalcea malviflora Maralyn A. Renner 1980-7-24 2009 Siskiyou Lily Pad Lake Comment
  CHSC1058  Sidalcea oregana 1936-7-3 Siskiyou Mt. Shasta City. 1097 Comment
  HSC32024  Sidalcea oregana A. M. Montalvo, J. D. Ackerman 1974-7-2 351 Siskiyou Along road to Morgan Meadows, E slope of Mt. Eddy, W of Mt. Shasta City Comment
  UC2042826  Sidalcea oregana subsp. oregana Barbara Ertter with Julie Kierstead and Jim Nelson 1990-7-15 9368 Siskiyou Ca. 1 mi E of Toad Lake at head of Middle Fork Sacramento River, ca. 8 air miles W of Mt Shasta City. Comment
  UC922291  Sidalcea oregana subsp. oregana Annie M. Alexander and Louise Kellogg 1949-7-23 5852 Siskiyou Sky High Valley , Paradise Lake, Sky High Valley (Marble Mountains) 1920 Comment
  CHSC88396  Sidalcea oregana subsp. spicata Jenny Marr 1993-7-1 155 Siskiyou Butte Valley Wildlife Area, +/- 7 air miles NW of the town of MacDoel. Meadow NW of Meiss Lake. 1349 Comment
  UC18929  Sidalcea oregana subsp. spicata State Survey 1800-1 1434 Siskiyou Strawberry Valley Mt. Shasta, Strawberry Valley Comment
  UC221438  Sidalcea oregana subsp. spicata Dr. Edward Palmer Jul 13 1892-Jul 20 1892 2532 Siskiyou Mount Shasta and vicinity Mount Shasta Comment
  UC933364  Sidalcea oregana subsp. spicata Annie M. Alexander and Louise Kellogg 1948-9-9 5609 Siskiyou Taylor Lake Siskiyou Mountains, Taylor Lake (lake shore and in meadows along trail) 1828 Comment
  HSC67837  Silene bernardina J. O. Sawyer, J. Cole 1980-7-22 3915 Siskiyou NW slopes of Cedar Mtn. 1524 Comment
  JEPS23251  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
  CHSC33091  Silene campanulata subsp. glandulosa James P. Smith 1973-5-5 6370 Siskiyou In and around O'Neill Campground near Seiad Valley. 487 Comment
  HSC52161  Silene campanulata subsp. glandulosa Marvin Butler 1971-7-12 105 Siskiyou Near Cyclone Gap, close to the town of Cave Junction 1464 Comment
  UC3735338  Silene dichotoma Geo. D. Butler 1909-8-17 961 Siskiyou near Yreka; near Yreka Comment
  SD98921  Silene douglasii Darley F. Howe 1977-7-5 Siskiyou Area north of Mt. Shasta. 1460 Comment
  UC166126  Silene douglasii Geo. D. Butler 1909-7-15 963 Siskiyou Highland Mine Comment
  HSC69515  Silene grayi John Palmer 1980-7-24 653 Siskiyou Dillon Divide 1707 Comment
  JEPS40851  Silene grayi Paul C. Hutchison 1962-8-2 940 Siskiyou between Panther Meadow and top of ski lift Mt. Shasta; , between Panther Meadow and top of ski lift 2621 Comment
  HSC19525  Silene grayi J. O. Sawyer 1969-7-16 1135 Siskiyou Summit NE of Waterdog Lake 2332 Comment
  RSA166259  Silene grayi H. Dearing, M. Dearing 1939-7-1 3787 Siskiyou Salmon Mts. 1829 Comment
  CAS-BOT-BC389423  Silene lemmonii A. A. Heller 1905-6-15 8036 Siskiyou Near Sisson Comment
  CAS-BOT-BC389424  Silene lemmonii A. A. Heller 1905-6-15 8036 Siskiyou On the first ridge west of and near Sisson Comment
  UC1212577  Silene lemmonii Francia Chisaki, Helen K. Sharsmith 1959-8-20 4735 Siskiyou Canyon of Scott River before reaching Carrigher's Summit and divide between Scott River and East Fork Salmon River; Inner North Coast Ranges, Canyon of Scott River 1828 Comment
  UC454432  Smilacina racemosa I. J. Condit 1911-7-27 Siskiyou Castle Lake Comment
  JEPS62160  Smilax californica W. L. Jepson July 1894 Siskiyou Sisson Comment
  POM211187  Solanum americanum Louis C. Wheeler 1934-9-17 3274 Siskiyou Dutch Creek off Klamath River, Siskiyou Mtns. (Mt. Diablo Mer). 701 Comment
  HSC36222  Solanum nigrum John Rehling Siskiyou Along Hwy. 3, .5 mi. N of Fort Jones Comment
  HSC43149  Solanum physalifolium var. nitidibaccatum Ken Stillman 1976-8-24 425 Siskiyou Along Klamath River at Williams Point. 366 Comment
  RSA428804B  Solanum triflorum Louis C. Wheeler 1935-7-13 3655 Siskiyou Ager. 793 Comment
  UC163710  Solanum umbelliferum Geo. D. Butler 1908-8-3 18 Siskiyou Log Lake, Shackleford Creek Log Lake; , Shackleford Creek Comment
  RSA68867  Solanum umbelliferum A. E. Culbertson 1943-6-24 89 Siskiyou At lake level in rocks along the road at Castle Lake, 5434, in a north facing cirque with an abrupt 1000' back wall; 14 miles SW of Mt. Shasta on N side of a 6000' eastern spur of Trinity Mts., 2000' above Sacramento River within 10 air miles of its headwaters to the west. 1657 Comment
  CAS-BOT-BC365569  Solidago elongata H. A. Thomas; J. H. Thomas 1954-7-25 4534 Siskiyou Salmon - Trinity Mts. Vicinity of Rush Lake and Rush Creek Meadow. About 9 miles E of Cecilville 1981 Comment
  CAS-BOT-BC365575  Solidago elongata A. A. Heller 1916-8-24 12562 Siskiyou Near Sisson 1074 Comment
  HSC72358  Solidago elongata J. P. Smith, J. O. Sawyer, Jane Sawyer, Kevin Sawyer 1976-9-5 8980 Siskiyou 1/5 mi. W of S.R. 3 on Road 8 671 Comment
  UC1557825  Solidago elongata J. Semple, S. Heard 1986-8-14 8460 Siskiyou behind grade school (on East Lake St., Mt. Shasta City); Mt. Shasta City Comment
  UC165415  Solidago elongata Geo. D. Butler 1910-8-31 1858 Siskiyou Oro Fino Comment
  JEPS121624  Solidago multiradiata 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
  JEPS95389  Solidago multiradiata Vernon H. Oswald and L. Ahart 1994-8-1 6419 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
  UC1282003  Solidago velutina subsp. californica Louise Kellogg 1953-8-4 97 Siskiyou n of Callahan near Scott River (edge of Scott Valley); Scott Mountains, edge of Scott Valley Comment
  RSA237828  Sorbus californica Frederick W. Oettinger, Robert F. Thorne 1969-8-7 1276 Siskiyou SE end of English Lake. Salmon Mtns. High Lake Basins in the vicinity of English Peak. Marble Mtn Wilderness Area. 1799 Comment
  CAS-BOT-BC158926  Sorbus scopulina Alice Eastwood 1921-7-24 10761 Siskiyou Castle Lake Comment
  CAS-BOT-BC158932  Sorbus scopulina W. R. Dudley 1899-8-22 s.n. Siskiyou Craggy Peak Comment
  HSC18908  Sorbus sitchensis var. sitchensis J. O. Sawyer 1968-7-22 530 Siskiyou Between Handcock and Diamond Lakes 1951 Comment
  CAS-BOT-BC390723  Spergularia rubra C. L. Hitchcock; J. S. Martin 1939-7-9 5334 Siskiyou Paradise Lake, near King's Castle 1767 Comment
  CAS-BOT-BC390724  Spergularia rubra M. S. Baker; Frank Nutting 1894-5-20 s.n. Siskiyou Near Redding Comment
  HSC29624  Spergularia rubra Frederick W. Oettinger 1968-9-3 674 Siskiyou Marble Mtn. Wilderness Area, SE of Horse Range Lake 1829 Comment
  UC375389  Spiraea densiflora Geo. D. Butler 1908-8-4 277 Siskiyou Head of Shackleford Creek Comment
  LA212320  Spiraea douglasii Geo. E. Julian; 1962-7-20 s.n. Siskiyou Near trailer park in town of Mt. Shasta. Comment
  SEINET7707976  Spiraea splendens G. D. Butler 1910-7-9 1710 Siskiyou Wooly Creek 1676 Comment
  HSC58946  Spiraea splendens var. splendens Marvin Butler 1971-7-27 214 Siskiyou Near Bell Echo Camp, close to the town of Cave Junction 1433 Comment
  JEPS95522  Spiranthes romanzoffiana Vernon H. Oswald 1994-8-10 6461 Siskiyou T40N R2E SW1/4 NW1/4 Sec. 18, 4460 ft, Yellow Pine Forest. FS 40N39 at Stillwater Meadows on Bartle Creek, ca. 0.5 mi W of Harris Spring Rd. (FS15), ca. 4 mi (air) NNE of Bartle 1359 Comment
  CAS-BOT-BC94550  Spiranthes romanzoffiana R. C. Wenk 2006-9-2 548 Siskiyou Field redacted by CAS, contact the data manager for more information 1950 Comment
  JEPS63053  Stachys ajugoides var. rigida Geo. D. Butler 1908-8-8 172 Siskiyou near lake at head Woolly Creek 1676 Comment
  JEPS74519  Stachys ajugoides var. rigida W. J. Ferlatte 1966-8-3 288 Siskiyou Josephine Lake Trinity Alps, Josephine Lake Basin 1676 Comment
  UC164138  Stachys ajugoides var. rigida Geo. D. Butler 1909-6-29 174 Siskiyou near Yreka Comment
  RSA768922  Stachys palustris subsp. pilosa L. Ahart, John Dittes 2010-7-30 16948 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
  RSA211085  Stachys rigida subsp. rigida W. J. Ferlatte 1966-8-3 288 Siskiyou Trinity Alps. Josephine Lake basin. 1677 Comment
  HSC61457  Stachys rigida var. rigida Ruby Van Deventer 1939-7-18 Siskiyou Kelley Lake and Kelley Lake Trail Comment
  CAS-BOT-BC391220  Stellaria longipes subsp. longipes A. A. Heller 1920-6-27 13397 Siskiyou Metcalf's ranch, northeast base of Mt. Eddy 1158 Comment
  SEINET5337369  Stellaria nitens G. Butler 1909-3-16 581 Siskiyou Butler's Ranch. Comment
  CAS-BOT-BC516472  Stenanthium occidentale J. M. Tucker; L. K. Mann; S. L. Holloway 1963-8-18 3747 Siskiyou Upper Canyon Creek ca. 1/2 mile northeast of the Marble Valley Guard Station, Marble Mountain Wilderness ARea 1920 Comment
  RSA202368  Stenanthium occidentale J. M. Tucker, L. K. Mann, Sandra L. Holloway 1963-8-18 3747 Siskiyou Upper Canyon Creek ca. 1/2 mile NE of the Marble Valley Guard Station, Marble Mountain Wilderness Area. 1921 Comment
  RSA237475  Stephanomeria lactucina Frederick W. Oettinger 1967-8-21 300 Siskiyou Pine Lake trail about midway down. The Salmon Mtns. High Lake Basins in the vicinity of English Peak. Marble Mtn Wilderness Area. 2024 Comment
  CAS-BOT-BC375665  Stephanomeria paniculata Alice Eastwood 1912-9-4 2096 Siskiyou Sisson Comment
  POM315997  Stephanomeria paniculata Patricia Wilder 1965-9-29 4198 Siskiyou Lava Beds National Monument on path up to top of Schonchin Butte. Tule Lake drainage area. 1524 Comment
  UC830517  Stephanomeria paniculata Alice Eastwood 1912-9-4 2096 Siskiyou Sisson Comment
  CAS-BOT-BC61127  Streptanthus barbatus A. A. Heller 1918-7-16 13033 Siskiyou Mount Eddy, west of Sisson. 2133 Comment
  HSC49936  Streptanthus barbatus Gilbert Muth 1978-8-2 7138 Siskiyou Near S China Mtn., close to the town of Callahan 2244 Comment
  UC137022  Streptanthus barbatus J. W. Congdon 1900-8-10 Siskiyou near Sisson 1082 Comment
  CHSC554  Streptanthus polygaloides G. Spurlock 1935-6-1 Siskiyou Comment
  CAS-BOT-BC87876  Streptanthus tortuosus L. E. Smith 1913-7-4 s.n. Siskiyou Castle Crags. Comment
  SD53403  Streptanthus tortuosus Darley F. Howe 1962-8-6 3399 Siskiyou Mt. Shasta 2440 Comment
  POM95331  Streptanthus tortuosus Geo. D. Butler 1909-7-15 893 Siskiyou Russian Creek. 1829 Comment
  UCD166859  Streptanthus tortuosus var. oblongus Robert E. Preston 2016-7-7 3059 Siskiyou 4.1 mi W of Forks of Salmon, along Salmon River Rd, opposite Bloomer Mine. 345 Comment
  UC162647  Streptanthus tortuosus var. orbiculatus Harley P. Chandler June 1901 1636 Siskiyou ridges and meadows near Marble Mountain; North Coast Ranges 2133 Comment
  UC70401  Streptanthus tortuosus var. orbiculatus Milo S. Baker 1899-7-31 Siskiyou above Warren and Anderson's Mill; Mt. Shasta, Ash Creek Comment
  HSC18895  Streptopus amplexifolius J. O. Sawyer 1968-6-25 315 Siskiyou Along Horse Range Creek 1829 Comment
  JEPS62164  Streptopus amplexifolius var. americanus Geo. D. Butler 1908-8-8 97 Siskiyou Marble Valley camp Marble Valley 1676 Comment
  UC1409320  Streptopus amplexifolius var. americanus Frederick W. Oettinger 1968-8-10 462 Siskiyou inlet to Hancock Lake (vicinity of English Peak, w Siskiyou County); Salmon Mountains, Marble Mountain Wilderness Area 1935 Comment
  HSC620  Suksdorfia ranunculifolia William J. Ferlatte 1966-7-7 200 Siskiyou Caribou Basin 1982 Comment
  HSC65266  Suksdorfia ranunculifolia Rich White 1977-7-7 114 Siskiyou NE shore of Devil's Punchbowl 1433 Comment
  RSA211326  Suksdorfia ranunculifolia William J. Ferlatte 1966-6-22 70 Siskiyou Josephine Lake basin; Trinity Alps. 1677 Comment
  CDA39710  Swertia albicaulis D. Janssen & F. D. Horn 1978-5-15 s.n. Siskiyou Hotlum Road, approximately 5 km northeast of Weed. 0 Comment
  CAS-BOT-BC269620  Symphoricarpos albus var. laevigatus Carl B. Wolf 1930-10-22 1753 Siskiyou 1 mile west of Mt. Shasta City 762 Comment
  HSC18987  Symphoricarpos mollis J. O. Sawyer 1969-7-11 851 Siskiyou Ravine above C.C.C. road. 1280 Comment
  UC889807  Symphoricarpos mollis A. A. Heller 1915-8-24 12202 Siskiyou ne base Mt. Eddy (Metcalf's ranch) 1188 Comment
  UC166591  Symphyotrichum bracteolatum Geo. D. Butler 1910-8-13 1829 Siskiyou Quartz Valley Comment
  CAS-BOT-BC97877  Symphyotrichum eatonii W. R. Dudley 1899-8-13 s.n. Siskiyou Nabar Meadows near McCloud Comment
  UC562937  Symphyotrichum spathulatum Elmer I. Applegate 1923-8-19 3896 Siskiyou Medicine Lake, margin of lake Comment
  CAS-BOT-BC98854  Symphyotrichum spathulatum var. intermedium Milo S. Baker 1926-8-8 230 b-'26 Siskiyou Between Red Mt. and Grants Peak 2194 Comment
  HSC26764  Symphyotrichum spathulatum var. spathulatum J. P. Smith, J. O. Sawyer 1971-9-18 4842 Siskiyou 2 mi. W of the junction of Hwy. 3 and Rd. 8, N of Callahan. 1037 Comment
  OBI55546  Symphyotrichum spathulatum var. spathulatum David J. Keil, Kathleen Keil 1992-7-24 23570 Siskiyou E of McCloud along hwy 89, 7.7 mi W of Shasta County line Comment
  UC226163  Tanacetum parthenium H. E. Brown Jun 15 1897-Jun 30 1897 482 Siskiyou n side Mt. Shasta 1524 Comment
  JEPS82421  Taraxacum officinale Gilbert Muth 1966-8-1 484 Siskiyou Marble Valley horse pasture Marble Mountain Wilderness Area 1792 Comment
  UC1482562  Tauschia howellii Laurie Andrews 1981-6-10 15 Siskiyou at the top of the ridge by Crapo Peak (English Peak meadows, Marble Mtn Wilderness Area, Salmon River District); Marble Mtn Wilderness Area, Sawyers Bar Quad., Salmon River 2194 Comment
  CAS-BOT-BC85241  Taxus brevifolia Doris K. Kildale 1928-8-19 6557 Siskiyou Hancock Lake - trail to Marble Mt. 2133 Comment
  HSC18879  Taxus brevifolia J. O. Sawyer 1968-9-11 701 Siskiyou Slopes above Twin Valley 1463 Comment
  HSC68415  Taxus brevifolia Maralyn A. Renner 1980-7-4 1404 Siskiyou Near trail about 0.25 mi. below Rattlesnake Meadow. 1585 Comment
  RSA183475  Taxus brevifolia J. M. Tucker 1963-7-5 3706 Siskiyou Lower Blake s Fork of South Russian Creek (a tributary of Salmon River), about 7 miles (airline) east of Sawyer s Bar, Salmon Mountains 1524 Comment
  UC401318  Taxus brevifolia Geo. D. Butler 1908-8-22 229 Siskiyou El<?>hed<?>es Corral Russian Creek Comment
  SEINET11739097  Taxus brevifolia R. Gankin, Hildreth, W. R. 1967-1 1186 Siskiyou near trail to Marble Mountain Wilderness Area (Yellow Jacket Ridge) N of Sawyers Bar 1402 Comment
  UC166555  Tellima grandiflora Geo. D. Butler 1909-7-15 896 Siskiyou Highland Mine Comment
  HSC29429  Tellima grandiflora Frederick W. Oettinger 1969-7-16 1036 Siskiyou Marble Mtn. Wilderness Area, S of Abbott's lake 1860 Comment
  JEPS80483  Tetradymia canescens W. B. and V. G. Cooke 1967-8-9 38668 Siskiyou turnout above Whitney Creek (along U.S. Hwy 97, n side of Mt. Shasta); Mt. Shasta 1237 Comment
  UC1037315  Thalictrum fendleri Leo Whitney 1934-6-24 1852 Siskiyou near Tennant; Antelope Creek 1463 Comment
  CAS-BOT-BC88066  Thelypodium brachycarpum A. A. Heller 1927-8-2 14441 Siskiyou North end of Shasta Valley, near the Klamath River. Comment
  CDA25192  Thelypodium brachycarpum M. R. Pryor 1948-7-14 3705 Siskiyou 5 miles north of Gazelle, State Highway 99. 0 Comment
  MACF002237  Thelypteris nevadensis Donald L. Branscomb 1958-7-29 27259 Siskiyou Castle Lake Comment
  RSA237510  Thelypteris nevadensis Frederick W. Oettinger 1968-9-4 694 Siskiyou Shore line of Abbotts Lake. Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1723 Comment
  HSC73350  Thermopsis macrophylla Gail Newton 1980-6-20 441 Siskiyou Near Bald Mtn. 1097 Comment
  CHSC88121  Thlaspi arvense Jenny Marr 1993-7-1 131 Siskiyou Butte Valley Wildlife Area, +/- 7 air miles NW of the town of MacDoel. Meadow NW of Meiss Lake. 1349 Comment
  CHSC34500  Thlaspi montanum var. montanum J. D. Jokerst 1981-9-8 1468 Siskiyou Between West Park Cr. and first road to the west. 1524 Comment
  SBBG109240  Thlaspi montanum var. montanum C. B. Hardham 1961-7-1 7996 Siskiyou White Mtn Comment
  HSC6996  Thysanocarpus curvipes L. C. Wheeler 1935-5-11 3477 Siskiyou Klamath River at Ash Creek, near river 610 Comment
  RSA0036026  Thysanocarpus curvipes var. curvipes Louis C. Wheeler 1925-5-11 3477 Siskiyou Klamath River at Ash Creek, Sisikyou Mts. 609 Comment
  RSA237931  Tofieldia glutinosa subsp. occidentalis Frederick W. Oettinger 1968-8-3 371 Siskiyou Base camp, Hancock Lake. The Salmon Mountains: the high lake basins in the vicinity of English Peak, Marble Mountain Wilderness Area 2012 Comment
  HSC72481  Tonella tenella J. P. Smith 1973-5-5 6380 Siskiyou In and around the O'Neill Campground near Seiad Valley. 488 Comment
  UCD128151  Torilis arvensis Tracey Call; Viola Call 1964-6-22 2277 Siskiyou near Klamath river 0.25 mile east of Beaver Creek. Comment
  JEPS107382  Tragopogon dubius Lowell Ahart, John Dittes 2005-6-10 12066 Siskiyou South edge of pasture, east of a poor dirt road, about 90 yards northeast of the pump house along the Shasta River, about 1.9 miles (air) south of Highway 99/97 Cutoff, about 6 miles (air) east-southeast of Grenada 776 Comment
  HSC98395  Tragopogon porrifolius Maralyn O'Meara 1974-5-25 436 Siskiyou On Rd. 8, 2.4 mi. W of junction with Hwy. 3 1006 Comment
  UC133248  Tragopogon porrifolius Copeland 1903-8-14 3886 Siskiyou Sisson Comment
  HSC44991  Triantha occidentalis subsp. occidentalis J. P. Smith, Steve Selva 1970-7-27 4508 Siskiyou Gumboot Lake 1768 Comment
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Jun 7 2012
  CAS-BOT-BC519560  Triantha occidentalis subsp. occidentalis L. E. Smith 1913-9-1 551 Siskiyou Mt. Eddy Comment
  RSA0004017  Trichostema lanatum E. B. Copeland 1903-7-2 3534 Siskiyou Klamathon Comment
  JEPS24010  Trichostema simulatum Rimo Bacigalupi with Drs. Reino and Aloha Alava 1958-9-2 6871 Siskiyou 4.7 mi below (N of) Scott Mountain Road summit (along road just S of and above Callahan) 1127 Comment
  POM76576  Trientalis latifolia Geo. D. Butler 1910-5-23 1392 Siskiyou Humbug Mtn. 1220 Comment
  JEPS75368  Trifolium cyathiferum Geo. D. Butler 1909-6-20 919 Siskiyou near Yreka (McNutty's field) Comment
  UCSC008680  Trifolium cyathiferum Randall Morgan 2003-7-12 3012 Siskiyou Cleghorn Meadow, circa 13 road miles north of Highway 96 on Oak Knoll Ranger Station Road, +/- east of Klamath River Village Comment
  HSC71477  Trifolium dubium J. P. Smith 1973-5-5 6544 Siskiyou Scott Bar along the Scott River Comment
  POM229944  Trifolium dubium Louis C. Wheeler 1935-6-27 3617 Siskiyou Greenview, Scott Valley. 884 Comment
  UC1152151  Trifolium howellii Joseph P. Tracy 1950-7-20 19210 Siskiyou Flint Valley 1402 Comment
  UC164459  Trifolium howellii Geo. D. Butler 1910-7-9 1689 Siskiyou Shackleford Creek 1219 Comment
  CAS-BOT-BC219037  Trifolium howellii 1926-9-15 1 Siskiyou South Fork of Indian Creek 1676 Comment
  POM313506  Trifolium howellii Kennedy 1926-6-21 s.n. Siskiyou Shackleford Creek Comment
  UCR39812  Trifolium longipes K. T. Stillman 1976-6-25 34 Siskiyou Marble Mountain Wilderness Area: montane and subalpine meadows. Marble Valley 1829 Comment
  UCD111256  Trifolium longipes AHM 1953-7-28 KNF 3 Siskiyou Trinity county line. Long Gulch Canyon. 1676 Comment
  UC631546  Trifolium microcephalum A. A. Heller 1916-7-20 12462 Siskiyou Metcalf's ranch ne base of Mt. Eddy 1188 Comment
  UCD109292  Trifolium pratense J. M. Tucker 1950-7-23 1937 Siskiyou Town of Mt. Shasta. Comment
  UC866984  Trifolium repens A. A. Heller 1916-6-20 12414 Siskiyou ne base Mt. Eddy (Metcalf's Ranch) 1188 Comment
  UC375416  Trifolium variegatum Geo. D. Butler 1908-6-28 378 Siskiyou upper end Quartz valley Comment
  HSC30420  Trifolium wormskioldii Frederick W. Oettinger 1969-8-16 1406 Siskiyou Marble Mtn. Wilderness Area, Wiregrass Meadow near English Lake 1707 Comment
  SEINET3151091  Triglochin maritima G. D. Butler 1910-8-21 1846 Siskiyou Shasta Valley Comment
  RSA378198  Trillium kurabayashii Anstruther Davidson 1520 Siskiyou Unspecified. Comment
  RSA234822  Trillium ovatum subsp. oettingeri Frederick W. Oettinger 1969-7-16 1035 Siskiyou West bank of Abbott Lake. Salmon Mtns. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1677 Comment
  CHSC187  Triodanis biflora 1943-8-5 Siskiyou Scott Valley. Comment
  CAS-BOT-BC200263  Trisetum spicatum L. R. Short 1933-9-8 72 Siskiyou Klamath National Forest. Near Dry Lake 2103 Comment
  CAS-BOT-BC200264  Trisetum spicatum Wm. Bridge Cooke 1938-8-18 11485 Siskiyou Horse Camp Springs. Around the southwest side of Shasta Comment
  HSC19252  Trisetum spicatum J. O. Sawyer 1968-7-22 557 Siskiyou Between Handcock and Diamond Lakes 1951 Comment
  POM352884  Trisetum spicatum Anonymous 1908-07 9205 Siskiyou Marble Mountains. Black Marble Mtns. Comment
  UCD93669  Trisetum spicatum Beecher Crampton 1956-8-22 3854 Siskiyou Panther Meadow, south slope of Mt. Shasta. 2316 Comment
  HSC44922  Triteleia crocea J. P. Smith 1974-5-25 7377 Siskiyou Along Rd. 8, 2.4 mi. W of its junction with Hwy. 3 976 Comment
  HSC49899  Triteleia crocea Maralyn O'Meara 1974-5-25 434 Siskiyou On Rd. 8, 2.4 mi. W of junction with Hwy. 3 1006 Comment
  HSC71102  Triteleia hyacinthina Thomas W. Nelson, Jane P. Nelson, J. P. Smith 1978-7-24 4508 Siskiyou Along W side of Hwy. 3 just N of Scott Mtn. Summit 1616 Comment
  CAS-BOT-BC522337  Triteleia hyacinthina Alice Eastwood; Wayne Roderick; Martha Roderick 1967-7-28 s.n. Siskiyou Gumboot Lake, Trinity Mts. 1828 Comment
  CAS-BOT-BC524316  Triteleia ixioides subsp. anilina W. B. C. 1938-7-15 11238 Siskiyou Wagon Camp Comment
  JEPS80542  Tsuga mertensiana Gilbert Muth 1965-8-16 223 E Siskiyou Black Mt. Marble Mt. Wilderness Area, Black Mt. 1792 Comment
  SBBG95899  Tsuga mertensiana J. F. Davidson, J. M. Tucker 1947-8-17 1564 Siskiyou 200' below summit on N side of Scott Mtn 2011 Comment
  UC718126  Tsuga mertensiana Carl B. Wolf 1934-7-5 5970 Siskiyou 2.8 mi from Dry Lake Lookout (on road to Horse Creek); Siskiyou Mts. Comment
  HSC68372  Typha latifolia J. P. Smith, Steve Selva 1970-7-15 4354 Siskiyou Klamath National Forest, road to Happy Camp. 732 Comment
  SEINET7040104  Vaccaria hispanica A. G. Vestal 1963-6-1 s.n. Siskiyou 2.8 miles north of Montague. Hawkinsville Quad. UTM Zone 10, 539617mE, 4625157mN. Comment
  CAS-BOT-BC199183  Vaccinium cespitosum W. R. Dudley 1901-8-18 s.n. Siskiyou Near Jackson's Lake, Salmon Mts. Comment
  CAS-BOT-BC199196  Vaccinium cespitosum A. A. Heller 1922-7-3 13672 Siskiyou Along Wagon Creek on Mt. Eddy 2225 Comment
  CAS-BOT-BC228833  Vaccinium cespitosum Peter W. Fritsch; James R. Shevock; Lu Lu 2012-6-20 1932 Siskiyou Russian Wilderness, Klamath National Forest. Along Sugar Creek Trail to Sugar Lake from trailhead off forest road 41N14 1809 Comment
  CHSC69747  Vaccinium cespitosum Loren Gehrung 1996-9-19 107 Siskiyou Scott Camp Ck, near Methodist Church Camp. 1 airmile NW of Castle Lake. Plants between creek and USFS Rd 39N46. 1505 Comment
  HSC67683  Vaccinium cespitosum John Palmer 1980-7-24 624 Siskiyou Klamath National Forest, Elk Hole 1503 Comment
  CAS-BOT-BC199184  Vaccinium cespitosum W. R. Dudley 1901-8-13 s.n. Siskiyou Moraine of Jackson's Lake, Salmon Mts. Comment
  UC1409404  Vaccinium deliciosum Frederick W. Oettinger 1969-7-11 990 Siskiyou a short way up the trail from Hancock Lake to Diamond Lake; Salmon Mountains, Marble Mountain Wilderness Area, English P 1981 Comment
  UC1409422  Vaccinium deliciosum Frederick W. Oettinger 1969-7-14 1013 b Siskiyou Charmaine Lake Salmon Mountains, Marble Mountain Wilderness Area, English P 1920 Comment
  HSC19114  Vaccinium membranaceum J. O. Sawyer 1969-8-4 1924 Siskiyou Headwaters of S Sugar Creek. 2043 Comment
  HSC19334  Vaccinium membranaceum J. O. Sawyer 1969-7-3 1050 Siskiyou Near Lipstick Lake 1951 Comment
  HSC19362  Vaccinium membranaceum J. O. Sawyer 1968-7-2 376 Siskiyou Upper drainage of Joe Creek on steep N facing slopes. 1677 Comment
  CAS-BOT-BC228834  Vaccinium scoparium Peter W. Fritsch; James R. Shevock; Lu Lu 2012-6-20 1933 Siskiyou Russian Wilderness, Klamath National Forest. Above Sugar Lake along Sugar Creek on steep SE-facing slope. (From trailhead off forest road 41N14) 2019 Comment
  RSA238869  Vaccinium scoparium Frederick W. Oettinger, J. L. Morrison 1967-8-17 279 Siskiyou 0.1 mile SSW of Diamond Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2073 Comment
  RSA240089  Vaccinium uliginosum subsp. occidentale Frederick W. Oettinger 1969-8-23 1512 Siskiyou Inlet to Smith Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. Comment
  CAS-BOT-BC199796  Vahlodea atropurpurea Wm. Bridge Cooke 1939-8-24 13892 Siskiyou Along the bank of Squaw Valley Creek in its middle cascade portion Comment
  HSC76931  Vahlodea atropurpurea K. T. Stillman 1976-8-8 399 Siskiyou Marble Mountain Wilderness Area, trail from Jump off to Paradise Lake Comment
  CHSC1995  Valeriana californica V. Holt 1932-7-10 Siskiyou Mt. Eddy. 1524 Comment
  JEPS9213  Valeriana californica W. L. Jepson Jul 17 1902-Jul 22 1902 2074 Siskiyou Salmon Summit, Western Siskiyou 2286 Comment
  RSA761682  Valeriana sitchensis subsp. sitchensis Robert F. Thorne, Frederick W. Oettinger 1969-8-4 63361 Siskiyou Klamath National Forest, Salmon Mountains, Marble Mountain Wilderness Area, high lake basins in the vicinity of English Peak. Comment
  CDA6694  Valerianella locusta G. D. Barbe, J. T. Howell, T. C. Fuller 1980-4-28 2585 Siskiyou Between Old Highway 99 and railroad at Truttman Lane, 3.2 km south of Grenada. Comment
  JEPS62205  Veratrum californicum var. californicum W. L. Jepson 1914-8-13 5796 Siskiyou Sisson 1097 Comment
  UC164384  Veratrum californicum var. californicum Geo. D. Butler 1908-8-3 534 Siskiyou Shackleford Creek, Log Lake Comment
  JEPS24441  Veratrum insolitum Rimo Bacigalupi with L. Constance and L. R. Heckard 1960-7-21 7483 Siskiyou 14 mi e Cecilville (6 mi w of rd summit, along new rd from Cecilville to Callahan, watershed of e fork of the South Fork of the Salmon River, just above Six-mile Creek) 1371 Comment
  HSC73337  Veronica americana Gail Newton 1980-6-20 463 Siskiyou Near Bald Mtn. 1097 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
  UC1096835  Veronica serpyllifolia subsp. humifusa H. K. Wagnon 1957-8-11 1708 Siskiyou 1 mi n of junction with Military Pass Road (e slope of Mount Shasta, along Ash Creek); North Coast Ranges, Mount Shasta, Ash Creek Comment
  RSA29915  Veronica triphyllos Louis C. Wheeler 1935-4-18 3433 Siskiyou Yreka. 823 Comment
  JEPS83277  Vicia Geo. D. Butler 1908-6-22 400 Siskiyou near Yreka (Butler's Ranch) Comment
  JEPS66123  Vicia americana var. americana W. L. Jepson Jul 1894