Search Results — 2000 specimen records retrieved (1352 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
  HSC44740  Abies X shastensis Maralyn O'Meara 1974-5-25 397 Siskiyou Along road to Duck Lakes trail 1402 Comment
  HSC4979  Abies amabilis J. O. Sawyer 1968-7-22 525 Siskiyou Between Handcock and Diamond Lakes 1951 Comment
  JEPS83902  Abies amabilis Stephen K. Langer with Charles S. Rand 1988-6-20 Siskiyou e drainage of Black Mt.; , Rogue River National Forest 1983 1767 Comment
  CAS-BOT-BC73504  Abies concolor Gilbert Muth 1966-8-3 494 Siskiyou Marble Mts. - Dry slope, Marble Valley Meadow 1792 Comment
  CAS-BOT-BC73505  Abies concolor Gilbert Muth 1965-7-29 313 Siskiyou Ridge near 4-corners. Comment
  CAS-BOT-BC73534  Abies concolor W. R. Dudley 1899-7-6 s.n. Siskiyou Bartlett Trail to Preston's Peak Comment
  CAS-BOT-BC78104  Abies magnifica John Thomas Howell 1937-7-26 13530 Siskiyou Caribou Basin, Salmon-Trinity Alps 2286 Comment
  CAS-BOT-BC78105  Abies magnifica Elmer I. Applegate 1923-9-7 3966 Siskiyou Head of Doggett Creek, Siskiyou Mountains Comment
  RSA237365  Abies procera Frederick W. Oettinger 1968-9-10 811 Siskiyou Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2104 Comment
  CAS-BOT-BC331021  Acer glabrum var. glabrum Gilbert Muth 1965-8-3 s.n. Siskiyou On trail to 4-corners, Marble Mts. Comment
  UC933425  Acer glabrum var. glabrum Annie M. Alexander and Louise Kellogg 1948-9-8 5599 Siskiyou top of grade between Sawyers Bar and Etna; top of grade btw Sawyers Bar and Etna 1737 Comment
  JEPS80656  Acer glabrum var. torreyi W. B. and V. G. Cooke 1977-9-25 54884 Siskiyou on roadside bank above Mud Creek Dam Road Mt. Shasta (Mt. Shasta) 1676 Comment
  RSA181623  Acer glabrum var. torreyi Dorothy Parker 1950-6-4 447 Siskiyou Salmon Mountain 1921 Comment
  HSC36704  Acer macrophyllum Brent Whitely 1975-6-23 43 Siskiyou 223 Comment
  CDA35547  Acer negundo subsp. californicum G. D. Barbe, J. T. Howell, T. C. Fuller 1980-4-29 2621 Siskiyou 200 meters north of Hamilton Street on Highway 3, north edge of Fort Jones. Comment
  SEINET7892714  Acer negundo subsp. californicum G. D. Butler 1910-6-30 1617 Siskiyou Yreka Creek Comment
  SEINET10692762  Acer negundo var. californicum Andrew Townesmith, Karen M. Meyer 2007-8-3 Townesmith 892 Siskiyou Klamath National Forest, Oak Knoll Ranger District. Along state route 96, 5.2 miles west of National Forest boundary. Vicinity of Cayuse Day Use Area. T46N R7W, near boundary between sections 7 and 8. 576 Comment
  CAS-BOT-BC18869  Achillea millefolium William Bridge Cooke 1939-8-10 13873 Siskiyou Mount Shasta, on upper flats along the Mud Creek Canyon on its west side. 2895 Comment
  CAS-BOT-BC30437  Achillea millefolium A. A. Heller 1915-8-26 12241 Siskiyou Mt. Eddy 1828 Comment
  CHSC105277  Achillea millefolium Lowell Ahart; John Dittes 2010-7-30 16954 Siskiyou About 30 yards west of the Shasta River, about 50 yards west 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
  HSC96834  Achillea millefolium S. Lyon, J. McIntire 2006-6-25 21 Siskiyou On FS 39N35, .25 mi. SE of intersection with Road 39N27 1341 Comment
  UC637079  Achlys californica Edward Lee 1934-8-13 1085 Siskiyou Happy Camp to Waldo (Oregon) rd., watershed of W. Branch Indian Creek Klamath Nat'l Forest, W. Branch Indian Creek 1463 Comment
  CAS-BOT-BC400004  Achlys triphylla A. M. Vollmer; L. Beane 1951-6-2 87 Siskiyou Happy Camp, Klamath River Highway Comment
  HSC29268  Achlys triphylla Frederick W. Oettinger 1969-9-4 1669 Siskiyou Marble Mtn. Wilderness Area, near gap between Tom's Lake Basin and Tobacco Lake Basin 1829 Comment
  UCD50434  Achnatherum hymenoides Mr. Roseman 1913-1 11 Siskiyou Butte Valley. Comment
  CAS-BOT-BC216930  Achnatherum occidentale Ralph K. Gierisch 1968-8-6 3362 Siskiyou Elk Flat, Shasta-Trinity forest 1310 Comment
  UCD51025  Achnatherum occidentale subsp. californicum R. Tofsrud 1948-8-1 s.n. Siskiyou Along road up to Panther Meadow, Mt. Shasta. 1828 Comment
  UCD51039  Achnatherum occidentale subsp. californicum L. Whitney 1935-7-15 3475 Siskiyou Bullseye Lake, 2 miles southeast of Medicine Lake. Comment
  RSA238983  Achnatherum occidentale subsp. occidentale Frederick W. Oettinger 1969-8-3 1141 Siskiyou Above English Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1829 Comment
  UC1037095  Achnatherum occidentale subsp. occidentale Leo Whitney 1934-6-29 2193 Siskiyou near Tennant (Antelope Creek); Antelope Creek 1463 Comment
  UCD56642  Achnatherum occidentale subsp. pubescens G. Douglas Barbe; P. Hiatt, M. Keffer 1980-6-5 2809 Siskiyou Cascade Ranges, Mt. Shasta Reforestation area, north of Mt. Shasta city on Everitt Memorial Hwy. to Panther Meadows ski area. 1097 Comment
  UCD103804  Acmispon americanus var. americanus A. A. Heller 1916-6-23 12430 Siskiyou Near Black Butte north of Sisson. 1127 Comment
  CAS-BOT-BC391510  Aconitum columbianum subsp. columbianum A. A. Heller 1927-8-1 14433 Siskiyou At the State Teachers College, near Shasta City (Sisson) 1074 Comment
  RSA98842  Aconitum columbianum var. columbianum Edward Palmer 1892-7-13 2543 Siskiyou Mount Shasta and vicinity Comment
  CAS-BOT-BC413844  Aconogonon davisiae Alice Eastwood 1921-7-29 10957 Siskiyou Little Mt. Hoffman Comment
  SJSU10647  Aconogonon newberryi C. L. Kline 1965-7-13 201 Siskiyou above Horse Camp on S slope Mt Shasta 2468 Comment
  CAS-BOT-BC418812  Aconogonon phytolaccifolium G. J. Muth 1969-8-12 1372 Siskiyou Second Valley Comment
  CHSC57343  Adenocaulon bicolor J. D. Prouty 1979-7-21 Siskiyou Cooley's Ranch campground ca 4 mi south of McCloud. 914 Comment
  CAS-BOT-BC69699  Adiantum aleuticum H. M. Hall 1902-9-15 5259 Siskiyou Shasta Springs. 822 Comment
  HSC49956  Agastache parvifolia G. L. Clifton, Ground 1978-6-19 1310 Siskiyou Near Bray, close to the town of Macdoel 1403 Comment
  NY355  Agastache parvifolia A. Eastwood 1940-6-14 8266 Siskiyou Lava Beds Nat. Mon., near Schonchin Butte Comment
  HSC76710  Agastache urticifolia K. T. Stillman 1976-7-14 229 Siskiyou Marble Mtn. Wilderness Area 1951 Comment
  CHSC69062  Ageratina occidentalis Vernon Oswald; Lowell Ahart 1997-7-28 8776 Siskiyou Forest Route 49 (Power Hill Rd.) 1.5 mi north of 41N03 (to Porcupine Butte), 14.5 mi south of Medicine Lake. 1371 Comment
  CAS-BOT-BC29444  Ageratina occidentalis Carl B. Wolf 1927-8-26 1081 Siskiyou On the Klamath River, 5 mi below Hamburg Comment
  CAS-BOT-BC29445  Ageratina occidentalis John Thomas Howell 1939-8-8 15138 Siskiyou Between Sky High Valley and Marble Valley Comment
  CAS-BOT-BC29458  Ageratina occidentalis Gilbert J. Muth 1965-8-4 s.n. Siskiyou Near the Marble, Marble Valley Comment
  JEPS60251  Ageratina occidentalis L. R. Heckard with L. Constance and R. Ornduff 1969-6-25 2318 Siskiyou 15 mi from U.S. Highway 99 (off the Gilman Road, on n side of the Mccloud River arm of Lake Shasta) 487 Comment
  UCD128554  Ageratina occidentalis H. P. Olmo 1931-6-1 s.n. Siskiyou Somesbar. Comment
  CAS-BOT-BC15482  Agoseris X dasycarpa Alice Eastwood 1921-7-29 10959 Siskiyou Medicine Lake Comment
  RSA14497  Agoseris glauca var. dasycephala Elmer I. Applegate 1923-8-19 3897 Siskiyou Medicine Lake Comment
  CHSC30240  Agoseris glauca var. monticola M. S. Taylor; J. Prouty, E. Heinitz 1980-8-19 3266 Siskiyou Paint Pot Crater. 1920 Comment
  CDA316  Agoseris grandiflora T. C. Fuller 1965-6-1 13587 Siskiyou West side of Highway 99 to Grenada, 4 miles south of Yreka. 0 Comment
  CHSC91257  Agoseris grandiflora Lowell Ahart; John Dittes 2005-6-10 12128 Siskiyou On the south side of a poor dirt road, about 100 yards northwest of the pump house along the Shasta River, about 1.9 miles (air) south of Highway 99/97 Cutoff, about 6 miles (air) east-southeast of Grenada. 776 Comment
  HSC43334  Agoseris grandiflora Maralyn O'Meara 1974-5-27 473 Siskiyou Along FS Rd. 47N03 1646 Comment
  JEPS36234  Agoseris grandiflora var. grandiflora W. L. Jepson 1940-6-28 20052 Siskiyou McCloud McCloud 975 Comment
  UC1090383  Agoseris grandiflora var. grandiflora Milo S. Baker 1957-6-15 13107 Siskiyou just s Weed ((road cut)); North Coast Ranges Comment
  UC1539996  Agoseris heterophylla var. heterophylla M. Mitchell 1935-5-14 30 Siskiyou Canby's Cross; Lava Beds National Monumnet 1234 Comment
  CAS-BOT-BC110739  Agropyron Arthur Menzies 1962-7-21 s.n. Siskiyou Morgan Meadows, base of Mount Eddy. 1706 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
  CAS-BOT-BC126997  Agrostis exarata John Thomas Howell 1939-8-9 15205 Siskiyou Marble Mountains. Sky High Valley. 1828 Comment
  RSA126054  Agrostis exarata I. L. Wiggins 1955-7-22 13453 Siskiyou South Fork of Salmon River, 9.5 miles above Cecilville. 1067 Comment
  UC815001  Agrostis exarata John Thomas Howell 1939-8-9 15205 Siskiyou Sky High Valley Marble Mts. 1828 Comment
  UCD52369  Agrostis exarata A. H. Murphy 1956-8-16 56 CC Siskiyou Klamath National Forest, Tangle Blue Lake. 1767 Comment
  CAS-BOT-BC139562  Agrostis gigantea David D. Keck 1938-8-7 4857 Siskiyou Scott mountain Lodge, 2 miles east of Callahan, on east Fork of Scott River at junction with Mill Creek. 1000 Comment
  HSC39668  Agrostis idahoensis J. P. Smith, J. O. Sawyer, Maralyn O'Meara 1972-7-4 5732 Siskiyou Roadside, 1.4 mi. S of Sugar Creek on Parrott Mill Road 1341 Comment
  CAS-BOT-BC138929  Agrostis pallens John Thomas Howell 1939-8-2 14943 Siskiyou Marble Mountains. Spirit Lake. 1828 Comment
  RSA239089  Agrostis pallens Frederick W. Oettinger, Robert F. Thorne 1969-8-6 1230 Siskiyou South of Pine Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1921 Comment
  HSC34146  Agrostis scabra J. O. Sawyer 1969-8-18 1989 Siskiyou S Sugar Lake Creek 1829 Comment
  UC1153941  Agrostis scabra Alfred H. Murphy 1957-8-16 56 W Siskiyou Tangle Blue Lake Klamath National Forest 1767 Comment
  RSA211225  Agrostis stolonifera William J. Ferlatte 1967-8-17 952 Siskiyou Trinity Alps; Yellow Rose Mine. 1982 Comment
  CAS-BOT-BC138476  Agrostis variabilis Elmer I. Applegate 1923-8-17 3838 Siskiyou Medicine Lake. Comment
  RSA238412  Agrostis variabilis Frederick W. Oettinger 1969-9-4 1632 Siskiyou East side of Hancock Lake. Salmon Mtns. High Lake Basins in the vicinity of English Peak. Marble Mtn Wilderness Area. 1890 Comment
  RSA233716  Allium acuminatum Frederick W. Oettinger 1969-7-25 s.n. Siskiyou Scott Mountains: Shasta-Trinity National Forest, ca. 15 air miles SW of Weed near Kangaroo Lake Campground. Comment
  HSC58901  Allium amplectens Marvin Butler 1971-7-29 247 Siskiyou Near Bell Echo Camp 1 Comment
  JEPS29773  Allium amplectens Lauramay T. Dempster 1961-7-3 1866 Siskiyou se Callahan (w face of Scott Mountain); Scott Mountain Comment
  UC843375  Allium bolanderi Alice Eastwood 1912-8-30 2004 Siskiyou Mount Eddy Comment
  HSC74439  Allium bolanderi var. bolanderi M. A. Baker 1980-6-20 2199 Siskiyou Near Bald Mtn. 1036 Comment
  HSC58838  Allium campanulatum Marvin Butler 1971-7-28 221 Siskiyou Near Marv's Meadow 2073 Comment
  HSC46047  Allium falcifolium Maralyn O'Meara 1974-5-25 429 Siskiyou On Rd. 8, 2.4 mi. W of junction with Hwy. 3 1006 Comment
  UC909369  Allium falcifolium Ira L. Wiggins 1950-5-28 12384 Siskiyou serpentine ridge just above Grouse Lake (headwaters of Grouse Creek); Grouse Creek 1737 Comment
  CAS-BOT-BC474036  Allium parvum Dorothy Parker 1946-4-11 122 Siskiyou Plowman's Valley 1188 Comment
  CHSC96090  Allium siskiyouense L. P. Janeway 2006-7-4 8792 Siskiyou Klamath Ranges. Scott Mountains; opening on spur ridge 1.9 km west-southwest of Scott Mountain Summit. 1838 Comment
  JEPS104939  Allium siskiyouense Dean W. Taylor 1996-6-28 15751 Siskiyou Antelope Mountain (about 8 air miles south of Yreka) 1798 Comment
  UC1299750  Allium siskiyouense Freed W. Hoffman 1948-7-8 2589 Siskiyou 7.5 mi n West Branch Camp; North Coast Ranges, Waldo-Happy Camp Road 1402 Comment
  HSC100268  Allium validum J. P. Smith, , J. O. Sawyer, & R. J. Cole 2010-8-7 13058 Siskiyou Klamath National Forest, road to Crater Lake off Forest Service Road 40N24. 2003 Comment
  CAS-BOT-BC478026  Allium validum Wm. Bridge Cooke 1938-7-15 11253 Siskiyou Wagon camp. Common along the creeks leading from the Wagon Camp springs. Also in the Heather Meadows at Panther and Squaw Creeks. 1737 Comment
  CAS-BOT-BC478031  Allium validum Ira L. Wiggins 1955-7-21 13440 Siskiyou Rush Creek Trail, 2 miles above Mt. View Ranch 1097 Comment
  SEINET3879909  Allium validum J. O. Sawyer 1969-8-1 1596 Siskiyou Etna quad. Meadow behind Horseshoe Lake.; 0 1920 Comment
  UC1409505  Allotropa virgata F. W. Oettinger 1973-8-23 1515 Siskiyou Chimney Rock and Smith Lake, Salmon Mountains 1417 Comment
  RSA452810  Alnus incana subsp. tenuifolia M. B. Dunkle 1944-8-25 9179 Siskiyou Siskiyou National Forest. Coastal Northern California. Comment
  RSA184765  Alnus viridis subsp. sinuata Gilbert Muth 1966-7-29 462 Siskiyou Marble Valley, by waterfall, Marble Mountains. 1829 Comment
  UCD110046  Alnus viridis subsp. sinuata Jack Major 1961-7-14 642 Siskiyou Mud Creek, Mount Shasta. 1706 Comment
  NY785943  Alyssum alyssoides A. A. Heller 1905-6-9 s.n. Siskiyou Comment
  CDA3619  Alyssum desertorum J. M. DiTomaso 2002-5-17 s.n. Siskiyou 8 miles northeast of Montague. On York Road, 300 meters east of intersection with Mulloy Road. 0 Comment
  UC1409346  Amelanchier alnifolia var. pumila Frederick W. Oettinger 1969-8-13 1358 b Siskiyou below Halfway Spring (trail from English Lake to Diamond Lake, w Siskiyou County); Salmon Mountains, Marble Mountain Wilderness Area 1828 Comment
  UC796436  Amelanchier alnifolia var. semiintegrifolia Roxana S. Ferris and Laura Lorraine Jun 12 1948-Jun 16 1948 11777 Siskiyou about 5.5 mi from Etna on forks of Salmon Road Comment
  RSA237667  Amelanchier pumila Frederick W. Oettinger 1968-8-2 362 Siskiyou Meadow S of Diamond Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2012 Comment
  CAS-BOT-BC136907  Amelanchier utahensis L. E. Smith 1913-5-27 284 Siskiyou Weed Comment
  CAS-BOT-BC136915  Amelanchier utahensis Roxana S. Ferris; Laura Lorraine 1948-6-12 11800 Siskiyou Scott Mt. Rd. so. of Callahan 1463 Comment
  UC466803 Image available Amelanchier utahensis Annie M. Alexander and Louise Kellogg 1911-6-4 106 Siskiyou Mayten Comment
  HSC36782  Amsinckia intermedia J. P. Smith 1974-5-27 7624 Siskiyou Along FS Rd. 47N03 1280 Comment
  POM72147  Amsinckia intermedia Geo. D. Butler 1910-5-3 1296 Siskiyou Yreka Comment
  JEPS20045  Androsace elongata subsp. acuta George D. Butler 1909-3-7 579 Siskiyou near Yreka (Butcher Hill); Butcher Hill Comment
  UC165735  Androsace elongata subsp. acuta Geo. D. Butler 1909-3-7 579 Siskiyou near Yreka Comment
  HSC96832  Anemone deltoidea S. Lyon, J. McIntire 2006-6-25 25 Siskiyou Burns Ranch; On F.S. Rd. 39N41, 0.2 miles southwest of intersection with Rd. 39N27 1341 Comment
  RSA120810  Anemone deltoidea G. D. Barbe 1957-7-13 388 Siskiyou Private road from Big Flat Camp to the Salmon-Trinity Alps Wilderness Area. 1524 Comment
  RSA238286  Anemone deltoidea Frederick W. Oettinger 1967-8-3 s.n. Siskiyou Along trail SE side of Hancock Lake. The Salmon Mtns. High lake basins in the vicinity of English Peak. Marble Mtn Wilderness Area. 1936 Comment
  CHSC71598  Anemone drummondii Vernon H. Oswald; Lowell Ahart 1998-8-3 9438 Siskiyou Near the Pacific Crest Trail in the Scott Mtns. west of Kangaroo Lake. 1981 Comment
  CAS-BOT-BC391848  Anemone drummondii L. R. Short 1933-8-6 105 Siskiyou Klamath National Forest. Marble Mts. 1828 Comment
  CAS-BOT-BC391858  Anemone drummondii W. R. Dudley 1905-8-4 s.n. Siskiyou Foot and slopes of Mt. Eddy Comment
  RSA78842  Anemone lyallii P. A. Munz 1952-7-2 17891 Siskiyou Road to Baldy Mt., northwest of Happy Camp, Siskiyou Mts. 1524 Comment
  UC609339  Anemone occidentalis Eleanor Burks Hart 1938-8-18 912 Siskiyou Boulder Peak 2529 Comment
  UC375346  Anemone occidentalis Geo. D. Butler 1909-7-15 900 Siskiyou head of Taylor Creek; Salmon Range, Taylor Creek 2133 Comment
  JEPS14076  Angelica arguta W. L. Jepson 1937-7-30 18564 Siskiyou Siskiyou Mountains, Poker Flat, headwaters of Indian Creek Poker Flat; Siskiyou Mountains, Poker Flat 1584 Comment
  UCD127110  Angelica genuflexa Joseph DiTomaso 1980-8-6 1855 Siskiyou 3 miles south of Grayback Pass. 1158 Comment
  HSC61189  Angelica tomentosa Al Hobart 1967-8-8 Siskiyou El Capitan Comment
  RSA183708  Angelica tomentosa var. tomentosa Gilbert Muth 1965-8-18 233 Siskiyou Marble Mts.; trail behind Black Mt. Comment
  CAS-BOT-BC59284  Antennaria argentea Roxana S. Ferris; Laura Lorraine 1948-6-12 11724 Siskiyou French Creek Logging Road west of Callahan 1219 Comment
  CAS-BOT-BC59285  Antennaria argentea Doris K. Kildale 1929-5-11 7737 Siskiyou Cecilville, upper South Fork of Salmon River Comment
  HSC58900  Antennaria corymbosa Marvin Butler 1971-8-31 327 Siskiyou Near Bell Echo Camp, close to the town of Cave Junction 1464 Comment
  UC1035410  Antennaria geyeri David D. Keck 1953-7-31 6534 Siskiyou 3.5 mi s of Grass Lake; Deer Mountain Service Station Comment
  UC485652  Antennaria geyeri T. S. Brandegee Siskiyou Sisson Comment
  UCD159821  Antennaria racemosa G. Ledyard Stebbins 1972-7-3 9006 Siskiyou Summit of Cook and Green Pass. 8 miles north of Seiad Valley. (Exact location unknown. Coordinates estimated by label maker.) 1463 Comment
  SEINET515907  Antennaria rosea subsp. confinis Vernon Oswald 1997-7-28 8789 Siskiyou Southeast of Medicine Lake at Paynes Springs. 1981 Comment
  RSA425832  Antirrhinum vexillocalyculatum subsp. breweri J. P. Smith, J. O. Sawyer, Maralyn O'Meara 1972-7-4 5724 Siskiyou Road 8, 3.5 miles from junction with French Creek road. 915 Comment
  CHSC91227  Apera interrupta Lowell Ahart; John Dittes 2005-6-9 12007 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
  CHSC91247  Apera interrupta Lowell Ahart; John Dittes 2005-6-9 12053 Siskiyou Meadow area along a small drainage, along the sides of a poor rock fence, about 300 yards east of where cattle water in the Shasta River, about 3/5 mile (air) south of Highway 99/97 Cutoff, about 2 1/2 miles (air) east-southeast of Grenada. 774 Comment
  UC105499  Apocynum androsaemifolium Brandegee July 1887 Siskiyou Sissons Comment
  CAS-BOT-BC395154  Aquilegia formosa Mrs. H. P. Bracelin 1931-6-19 407 Siskiyou N side of Mt. Eddy, up from Metcalf's ranch house 1341 Comment
  CAS-BOT-BC395149  Aquilegia formosa G. B. Grant 1902-9-15 22500 Siskiyou Shasta Springs, N Cal Comment
  SEINET5337610  Aquilegia formosa G. Butler 1910-6-17 1576 Siskiyou Humbug mountain 1219 Comment
  HSC39213  Arabis breweri var. breweri J. P. Smith 1976-5-4 8669 Siskiyou SR 263 near junction with SR 96, above Shasta River 671 Comment
  RSA0126150  Arabis divaricarpa John F. Emmel 1974-7-22 522 Siskiyou Meadows 0.2 air mile N of N end of Lower Wright Lake, Marble Mountain Wilderness Area. 2088 Comment
  UC61173  Arabis glabra W. A. Setchell, C. C. Dobie 1902-7-14 Siskiyou Sisson Mount Shasta Comment
  UC1483493  Arabis holboellii var. pinetorum J. Sawyer and J. Cole 1980-7-22 3916 Siskiyou nw slopes Cedar Mtn.; Klamath National Forest, Bray Quad. 1524 Comment
  HSC77070  Arabis holboellii var. retrofracta K. T. Stillman 1976-6-26 110 Siskiyou Marble Mountain Wilderness Area 2073 Comment
  HSC42158  Arabis holboellii var. retrofracta S. Saufferer 1973-5-6 152 Siskiyou Just S of Dunsmuir on gravelly flats along Railroad Creek Comment
  HSC40063  Arabis oregana J. P. Smith 1973-5-5 6426 Siskiyou Along Cook and Green Pass Rd. Comment
  UC1198306  Arabis oregana Mrs. F. A. Graham 1934-4-1 Siskiyou near Somes Bar 213 Comment
  RSA0129720  Arabis platysperma George B. Grant 1902-9-7 5097 Siskiyou Mt. Shasta. Comment
  RSA0129805  Arabis platysperma P. A. Munz 1960-8-22 24191 Siskiyou Panther Meadows, Mt. Shasta. 2530 Comment
  HSC46816  Arabis puberula William J. Ferlatte 1974-7-25 1584 Siskiyou Grouse Ridge along Trinity Co. line, 100 yds. S of Dorleska Summit 2119 Comment
  JEPS101148  Arabis pycnocarpa var. pycnocarpa Dean W. Taylor 1996-6-19 15715 Siskiyou Lime Gulch; bordering Shasta Valley (about 15 miles south of Yreka) 1188 Comment
  UC1001157  Arabis subpinnatifida Dorothy Parker 1947-5-30 167 Siskiyou e side Scotts Valley; Siskiyou Mountains 865 Comment
  HSC27591  Aralia californica Carl W. Mize 1972-6-21 70 Siskiyou Along trail by first creek 335 Comment
  RSA238712  Arceuthobium abietinum Frederick W. Oettinger 1969-8-22 1509 Siskiyou Just west of the outlet and along the shoreline of Horse Range Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1822 Comment
  JEPS95653  Arceuthobium campylopodum Vernon H. Oswald and L. Ahart 1999-7-5 9816 Siskiyou Hwy. 3 4.0 mi southeast of Gazelle-Callahan Hwy.: T40N R8W Sect. 24, 4480 ft, mixed coniferous forest, serpentine substrate. Parasitic on Jeffrey pine. 1365 Comment
  HSC29239  Arceuthobium campylopodum Frederick W. Oettinger 1969-8-22 1509 Siskiyou Marble Mtn. Wilderness Area, just W of outlet and along shoreline of Horse Range Lake 1822 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
  SEINET2139984  Arceuthobium tsugense subsp. mertensianae R. L. Mathiasen 2003-1 2003 -49 Siskiyou 0.4 km S of Eaton Lake, Russian Peak Wilderness. 1940 Comment
  SEINET8530039  Arceuthobium tsugense subsp. mertensianae R. L. Mathiasen 2003-7-27 2003 -41 Siskiyou 1.2 km NW of Ahlgren Cabin on Garden Gulch Trail Comment
  CDA6780  Arctium minus T. C. Fuller 1960-8-23 4965 Siskiyou ca. 1 mile south of Greenview. 0 Comment
  UC1733831  Arctostaphylos Frank Gould 1940-5-15 1245 Siskiyou Bull Meadows; Goosenest Mountain 1828 Comment
  SEINET11984862  Arctostaphylos R. Gankin, Brewer; Hildreth, W. R.; Milam 1965-1 610 Siskiyou 100 yards S of Somesbar Post Office, W of CA 96 Comment
  CAS-BOT-BC39005  Arctostaphylos klamathensis Wayne Roderick; Martha Roderick 1979-7-11 s.n. Siskiyou Mumbo Basin 1737 Comment
  CAS-BOT-BC40018  Arctostaphylos nevadensis Gilbert Muth 1966-7-8 372 Siskiyou Marble, Valley, Marble Mts. 1792 Comment
  CAS-BOT-BC45442  Arctostaphylos nevadensis Elizabeth McClintock; Wayne Roderick; Martha Roderick 1967-7-29 s.n. Siskiyou Mumbo Lake, Trinity Mts. A dammed lake. 1828 Comment
  HSC4922  Arctostaphylos nevadensis J. O. Sawyer 1968-7-9 421 Siskiyou Ridge between Sugar Creek and Duck Lake Creek drainages 2195 Comment
  UC154194  Arctostaphylos nevadensis Harley P. Chandler June 1901 1579 Siskiyou near Marble Mountain; North Coast Ranges 1981 Comment
  UC166196  Arctostaphylos nevadensis Geo. D. Butler 1908-8-4 101 Siskiyou head Shackleford Creek Comment
  UCD59181  Arctostaphylos nevadensis Steve Edwards; Wayne Roderick 1983-7-9 104 Siskiyou Along trail between Cook and Green Pass and Lily Pad Lake. 1676 Comment
  SEINET11989660  Arctostaphylos nevadensis A. Seneres, Harold, N.; Edwards, S. W. 1982-1 s.n. Siskiyou SW grassy spur of Deadwood Peak Comment
  CAS-BOT-BC45412  Arctostaphylos nevadensis subsp. knightii C. Hart Merriam 1910-10-1 s.n. Siskiyou Happy Camp, Klamath River. Comment
  CAS-BOT-BC46427  Arctostaphylos patula Alice Eastwood 1921-7-28 10891 Siskiyou Little Mt. Hoffman. Comment
  CAS-BOT-BC46472  Arctostaphylos patula W. R. Dudley 1901-8-18 s.n. Siskiyou Jackson's Lake, Salmon Mts. Comment
  CAS-BOT-BC46481  Arctostaphylos patula Doris K. Kildale 1928-7-4 5522 Siskiyou Summit of divide between Salmon River & Scott Valley. Comment
  CAS-BOT-BC46510  Arctostaphylos patula Roxana S. Ferris; Laura Lorraine 1948-6-12 11825 Siskiyou 1 mi. below summit of Gazelle Mt. grade (w. side), Gazelle-Callahan Rd. 1219 Comment
  JEPS38834  Arctostaphylos patula Geo. D. Butler 1909-4-11 756 Siskiyou Weed Comment
  OBI70668  Arctostaphylos patula Louis C. Wheeler 1963-9-3 8344 Siskiyou Siskiyou Mtn. Cyclone Gap chrome mine Comment
  POM367402  Arctostaphylos patula B. C. Templeton 1964-6-10 10067 Siskiyou Moutain slope of Mt. Shasta. Comment
  RSA238584  Arctostaphylos patula Frederick W. Oettinger 1967-8-26 324 Siskiyou Top of English Peak. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2226 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
  UC165732  Arctostaphylos patula Geo. D. Butler 1909-5-30 794 Siskiyou hills near Yreka Comment
  UC646815  Arctostaphylos patula Reed C. Rollins and T. S. Chambers 1938-8-15 2722 Siskiyou 3 mi s Weed 914 Comment
  UC674758  Arctostaphylos patula C. Hart Merriam and V. B. 1899-10-6 Siskiyou Sisson Comment
  CDA38690  Arctostaphylos patula T. C. Fuller 1962-6-13 8991 Siskiyou Road to Medicine Lake, 3.2 miles north of Bartle. 0 Comment
  CDA38691  Arctostaphylos patula T. C. Fuller 1962-6-13 8991 Siskiyou Road to Medicine Lake, 3.2 miles north of Bartle. 0 Comment
  SEINET11988295  Arctostaphylos patula C. Lamoureux, Srivastava, L.; Gankin, R. 1957-1 260 Siskiyou US 199, E side of hwy, approximately 2 mi N of Weed Comment
  CHSC117378  Arctostaphylos patula subsp. patula Richard R. Halse 2015-3-21 9325 Siskiyou Weed; southern part of city, west side of Interstate Hwy. 5, off of Mountain View Drive. 1083 Comment
  RSA202100  Arctostaphylos viscida Freed W. Hoffman 1948-7-8 2584 Siskiyou North of West Branch Camp. Comment
  CAS-BOT-BC47023  Arctostaphylos viscida subsp. viscida J. H. Thomas 1954-5-12 4125 Siskiyou Salmon Mountains, Klamath National Forest. Near s. Fork of Salmon River, 5 to 9 mi. se. of Cecilville, between Lat. 41 975 Comment
  RSA126273  Arctostaphylos viscida subsp. viscida I. L. Wiggins 1955-7-23 13462 Siskiyou Ridge W of China Creek, S side of S Fork of Salmon River. 960 Comment
  UC609322  Arenaria congesta var. crassula Eleanor Burks Hart 1938-8-18 905 Siskiyou Upper Wright Lake Upper Wright Lake (Dry ridge above) 2316 Comment
  UC8104  Arenaria congesta var. suffrutescens Harley P. Chandler 1901-6-1 1674 Siskiyou North Coast Ranges, Marble Mountain 2438 Comment
  HSC97653  Arenaria serpyllifolia Juha Pykala, D. H. Norris 1987-6-26 2088 Siskiyou Marble Mtn. Wilderness Area, 0-3 km below Bear Lake, above Bear Creek 1200 Comment
  JEPS84346  Arnica L. R. Heckard with J. Hickman et al. 1986-7-17 6539 Siskiyou Alex Hole (s end) Condrey Mt. 1980 Comment
  JEPS98789  Arnica Sue Pappalardo 1993-7-19 495 Siskiyou about 4 mi SE of Bear Mountain Lookout (between Forest Service roads 40N38 and 40N36); Shasta Trinity National Forest, McCloud Ranger District 1300 Comment
  HSC60936  Arnica amplexicaulis Ruby Van Deventer 1955-8-3 Siskiyou A camp in upper Young's Valley. Clear Creek Camp Comment
  RSA237421  Arnica amplexicaulis Frederick W. Oettinger 1968-9-4 698 Siskiyou On the SE side of Abbott's lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2073 Comment
  RSA714934  Arnica amplexicaulis M. E. Fishbein, Lane Greer 2006-8-3 5877 Siskiyou Paynes Creek, above Paynes Springs, about 2 mi southeast of Medicine Lake 2000 Comment
  RSA78690  Arnica cernua Philip A. Munz 1952-7-2 17879 Siskiyou Baldy Mt. Road, NW of Happy Camp, Siskiyou Mts. 1493 Comment
  UC682097  Arnica cernua G. L. Stebbins Jr. with A. A. Beetle 1942-6-1 3271 Siskiyou 17 mi n of, mountain ridge above Indian Creek Happy Camp; Indian Creek 1249 Comment
  RSA105330  Arnica cordifolia G. D. Barbe 1955-8-1 328 Siskiyou At the summit of Mt. Bolivar. Scott Mts. 2470 Comment
  UCD77359  Arnica cordifolia Robert E. Preston 2001-6-23 1616 Siskiyou Klamath National Forest, n-facing slope of Rainbow Mtn, T42N R1W se 1/4 Section 15 1889 Comment
  CAS-BOT-BC82361  Arnica cordifolia L. R. Short 1933-5-22 55 Siskiyou Klamath National Forest, Slope above Hegler's 609 Comment
  CAS-BOT-BC82366  Arnica cordifolia L. E. Smith 1914-5-12 693 Siskiyou Weed Comment
  UCD129112  Arnica cordifolia Geo. C. Wood 1940-4-30 s.n. Siskiyou 5 miles south of Yreka. Comment
  HSC22482  Arnica diversifolia J. O. Sawyer 1969-7-24 1483 Siskiyou SW of Sugar Lake 1890 Comment
  HSC29105  Arnica diversifolia Frederick W. Oettinger 1969-8-9 1441 Siskiyou High Lake Basins near English Peak, Marble Mountain Wilderness Area; 1/2 mile NNE of English Peak and within English Lake Basin 1951 Comment
  HSC62618  Arnica diversifolia Al Hobart 1967-8-17 Siskiyou Young's Valley Comment
  CAS-BOT-BC82691  Arnica longifolia W. R. Dudley 1899-8-13 s.n. Siskiyou Near Nabar Meadows, McCloud Comment
  JEPS80517  Arnica nevadensis Gilbert Muth 1966-7-19 431 Siskiyou Lookout Trail Marble Mt. Wilderness Area 1828 Comment
  UC166158  Arnica spathulata Geo. D. Butler 1909-5-31 985 Siskiyou Humbug Mountain Comment
  HSC63613  Arnica viscosa Richard Spjut, Emelia Russell 1979-8-28 5510 Siskiyou W slope of Mt. Shasta, base of rocky cliffs and ridges 2744 Comment
  UCD56028  Arrhenatherum elatius A. A. Beetle; G. L. Stebbins Jr. 1942-5-31 3442 Siskiyou Near Happy Camp. On sandy banks of Klamath River. Comment
  JEPS36959  Artemisia douglasiana Willis L. Jepson Jul 24 1894-Aug 10 1894 Siskiyou Sisson Upper Sacramento River, southern Siskiyou County Comment
  HSC76894  Artemisia douglasiana K. T. Stillman 1976-9-9 486 Siskiyou Marble Mtn. Wilderness Area; trail from jump off to Paradise Lake 1951 Comment
  HSC27089  Artemisia ludoviciana subsp. ludoviciana J. P. Smith, J. O. Sawyer 1972-9-14 5803 Siskiyou Miner's Creek Rd. just S of French Creek Rd. between Callahan and Etna. 915 Comment
  JEPS37061  Artemisia tridentata W. L. Jepson 1940-6-23 20022 Siskiyou n of Mt. Shasta Andesite sta. 975 Comment
  HSC48291  Asarum caudatum J. O. Sawyer, K. T. Stillman 1978-7-6 3294 Siskiyou Along Happy Camp - O'Brien Rd., above Louse Creek. Comment
  JEPS74415  Asarum caudatum W. B. & V. G. Cooke 1974-8-21 49263 Siskiyou Howard, Mt. Shasta 1219 Comment
  RSA238021  Asarum caudatum Frederick W. Oettinger 1967-8-20 285 Siskiyou 100 yds down stream from Tom Taylor Cabin springs. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2012 Comment
  RSA239010  Asarum hartwegii Frederick W. Oettinger 1966-7-25 38 Siskiyou Vicinity of Timber Gulch, Klamath National Forest; Cecilville 671 Comment
  SEINET6652464  Asarum hartwegii W. Roderick 1967-7-28 s.n. Siskiyou road to Mt. Shasta ski area 1676 Comment
  JEPS49845  Asclepias cordifolia Willis L. Jepson July 24, 1894-August 10, 1894 14529 Siskiyou near Sissons; Region of the Upper Sacramento Comment
  SEINET10961631  Asclepias cordifolia George D. Butler 1910-5-23 Butler 1396 Siskiyou Humbug Mountain 1219 Comment
  HSC93541  Asclepias speciosa G. Fred Hrusa 1997-9-18 14109 Siskiyou Shasta Valley, 1 mi. S of Gazelle on Old Hwy. 99 800 Comment
  CAS-BOT-BC69597  Aspidotis densa L. B. Kildale 1930-6-1 9848 Siskiyou Mill Creek near Etna Mills. Comment
  HSC27787  Aspidotis densa J. P. Smith, J. O. Sawyer 1972-9-13 5787 Siskiyou 2 mi. W of Cook and Green Pass on the road to Lily Pad Lake Comment
  HSC36875  Aspidotis densa J. P. Smith 1974-5-25 7518 Siskiyou Along Rd. 8, 2.4 mi. W of its junction with Hwy. 3 976 Comment
  HSC44741  Aspidotis densa Maralyn O'Meara 1974-5-25 442 Siskiyou On Rd. 8, 2.4 mi. W of junction with Hwy. 3 1006 Comment
  UC722388  Aspidotis densa C. L. Hitchcock and J. S. Martin 1939-7-7 5283 a Siskiyou 1/2 mi below Sanger Peak Lookout 1524 Comment
  CAS-BOT-BC69554  Aspidotis densa Louis C. Wheeler 1934-6-28 2814 Siskiyou Little Soda Cr., Klamath Forest. 1432 Comment
  CAS-BOT-BC69555  Aspidotis densa Louis C. Wheeler 1934-6-28 2814 Siskiyou Little Soda Cr., Klamath Forest. 1432 Comment
  UC42607  Aspidotis densa W. H. Brewer 1863-9-9 1360 Siskiyou Castle Rocks near Mt Shasta Comment
  RSA238702  Aster alpigenus Frederick W. Oettinger 1969-8-19 1452 Siskiyou Along the Tanner's Peak Trail, 1/2 mi, NEE of the summit of David Mt. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1905 Comment
  SEINET11840759  Aster alpigenus C. G. Pringle 1882-1 1278 Siskiyou Mts. about the head waters of the Sacramento River Comment
  HSC41081  Astragalus californicus Rich White 1977-5-21 71 Siskiyou Junction of Miners Creek Rd. and Rd. 8 , 5.5 mi. W of Callahan. Comment
  UC168740  Astragalus curvicarpus var. curvicarpus Katharine Brandegee July 1887 Siskiyou Ager Comment
  CAS-BOT-BC177862  Astragalus curvicarpus var. curvicarpus Elmer I. Applegate 1935-6-5 9330 Siskiyou Lyons road, north boundary area, Lava Beds National Monument Comment
  UC82564  Astragalus filipes Katharine Brandegee June 1887 Siskiyou Shasta Plains Comment
  CHSC91348  Astragalus gambelianus Lowell Ahart; John Dittes 2005-6-9 12013 Siskiyou Pasture field, on the east side of a poor rock fence, about 300 yards east of where cattle water in the Shasta River, about 3/5 mile (air) south of Highway 99/97 Cutoff, about 2 1/2 miles (air) east-southeast of Grenada. 774 Comment
  HSC14570  Astragalus lentiginosus D. M. Thomson 1965-6-12 81 Siskiyou Lava Beds National Monument, Hovey Point Comment
  CAS-BOT-BC187306  Astragalus lentiginosus var. lentiginosus A. A. Heller 1905-6-19 8062 Siskiyou Grenada Station Comment
  CAS-BOT-BC192918  Astragalus purshii var. lectulus John Thomas Howell 1939-8-4 15055 Siskiyou Marble Rim, Marble Mts. 1889 Comment
  CAS-BOT-BC192968  Astragalus purshii var. purshii Copeland 1903-7-6 3557 Siskiyou Hornbrook Comment
  UC164060  Astragalus purshii var. tinctus Geo. D. Butler 1909-4-14 631 Siskiyou Humbug HIlls Comment
  CAS-BOT-BC198710  Astragalus whitneyi var. siskiyouensis Peter H. Raven 1956-9-4 10414 Siskiyou S. Side of Mt. Eddy 2682 Comment
  SEINET3165921  Astragalus whitneyi var. siskiyouensis R. W. Spellenberg 2006-6-19 13741 Siskiyou along USFS access road 4.3 km E of Claif. Hwy. 139, the jct of road and highway 31 km SE of Modoc Co. line (Just S of Adin) Comment
  RSA790235  Astragalus whitneyi var. siskiyouensis Rebecca Wenk 2005-7-19 319 Siskiyou Along Pacific Crest Trail, 1-2 miles south of parking lot at top of pass on National Forest Road 17, going towards Mt. Eddy. 2134 Comment
  HSC27967  Asyneuma prenanthoides Carl W. Mize 1972-6-21 72 Siskiyou Past the first creek along trail. 305 Comment
  CAS-BOT-BC68703  Athyrium alpestre var. americanum John Thomas Howell 1939-8-9 15227 Siskiyou Marble Mts. - ride sout of Marble Valley Comment
  HSC76657  Athyrium distentifolium var. americanum K. T. Stillman 1976-7-22 294 Siskiyou Marble Mtn. Wilderness Area Comment
  RSA577337  Athyrium filix-femina subsp. cyclosorum L. C. Wheeler 1934-8-21 3190 Siskiyou Siskiyou Mountains, East Fork Horse Creek 1220 Comment
  UC399373  Athyrium filix-femina var. cyclosorum J. G. Lemmon and wife Siskiyou near Mt Shasta Comment
  HSC39745  Athysanus pusillus J. O. Sawyer 1970-4-4 2090 Siskiyou Along Sugar Creek 823 Comment
  CDA2942  Atriplex rosea T. C. Fuller 1963-8-27 11164 Siskiyou North shore of Klamath Lake, south side of Dorris-Tulelake Road, 12.4 miles west of Hatfield. 0 Comment
  UC1053434  Balsamorhiza deltoidea Rimo Bacigalupi and Arthur Holmgren 1950-4-24 3140 Siskiyou cliffs opposite of, along Sacramento River on e side of canyon, directly opposite railroad shops Dunsmuir; Sacramento River Comment
  CAS-BOT-BC106548  Balsamorhiza deltoidea L. E. Smith 1913-4-14 630 Siskiyou Iron Mountain Comment
  OBI55453  Balsamorhiza deltoidea David J. Keil 1992-7-20 23510 Siskiyou Klamath Natl forest, SW of Fort Jones. Along forest rd 46N64, 4.8 mi W of Scott river Rd 800 Comment
  SEINET10615492 Image available Balsamorhiza hookeri var. lanata Edward L. Greene 1876-5-2 Greene 745 Siskiyou Comment
  CAS-BOT-BC100106  Balsamorhiza sagittata E. K. Balls 1950-5-17 14718 Siskiyou by New Lava Flow, on rd. to Capt. Jack's Stronghold. Lava Beds Nat'l Monument 1584 Comment
  CAS-BOT-BC16688  Barbarea orthoceras D. E. Breedlove 1962-6-11 3353 Siskiyou Marble Mountains. About 20 miles west of Fort Jones. Canyon Creek. 914 Comment
  UC375287  Barbarea orthoceras Geo. D. Butler 1910-7-7 1659 Siskiyou Shackelford Creek 1219 Comment
  UCD77420  Barbarea orthoceras Robert E. Preston 2001-6-30 1642 Siskiyou Klamath National Forest, north slope of Rainbow Mountain, T42N R1W se 1/4 of nw 1/4 Section 14 1722 Comment
  HSC36893  Berberis aquifolium var. aquifolium J. P. Smith 1974-5-26 7551 Siskiyou Along FS Rd. 47N03 1524 Comment
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Feb 26 2013
  JEPS108613  Berberis aquifolium var. aquifolium R. Raiche 1986-7-15 60327 Siskiyou Herd peak Road, herd Mt., NE of Weed 1688 Comment
  JEPS47737  Berberis aquifolium var. repens W. L. Jepson 1907-7-19 2948 Siskiyou Indian Creek Siskiyou Mts Comment
  CDA15576  Berberis nervosa G. F. Hrusa 1998-7-5 14683 a Siskiyou Siskiyou Mountains; S side of pass on Happy Camp-O'Brien Rd. Ca. side of State Boundary, above Indian Ck. Camp. Comment
  HSC27973  Berberis nervosa Carl W. Mize 1972-9-23 110 Siskiyou Along Steinacher Creek Rd. 762 Comment
  CAS-BOT-BC75928  Berberis piperiana Carl B. Wolf 1933-7-5 5974 Siskiyou 4.7 miles from Oak Knoll Ranger Station on Klamath River, on road to Dry Lake Lookout, Siskiyou Mountains. 1219 Comment
  CAS-BOT-BC76007  Berberis pumila Doris K. Kildale 1927-11-20 4183 Siskiyou Fort Jones. Comment
  JEPS87872  Betula occidentalis Vernon H. Oswald and Lowell Ahart 1994-8-1 6443 Siskiyou junction of Forest Road 17 3.3 mi sw junction with Stewart Springs Rd (w of Weed) 1706 Comment
  JEPS95283  Betula occidentalis Vernon H. Oswald and L. Ahart 1994-8-1 6443 Siskiyou T41N R6W NW1/4 Sec. 22, 5600 ft, Yellow Pine Forest. Junction of Forest Rd. 17, 3.3 mi SW of its junction with Stewart Springs Rd., W of Weed 1706 Comment
  HSC2222  Bidens cernua L. C. Wheeler 1934-10-21 3337 Siskiyou Shasta Valley, 4 miles east of Grenada 869 Comment
  HSC96829  Bistorta bistortoides S. Lyon, J. McIntire 2006-6-25 24 Siskiyou Burns Ranch; On F.S. Rd. 39N41, 0.2 miles southwest of intersection with Rd. 39N27 1341 Comment
  CAS-BOT-BC127929  Blepharipappus scaber Louis C. Wheeler 1934-6-22 2760 Siskiyou Cottonwood Creek 914 Comment
  UC166215  Blepharipappus scaber Geo. D. Butler 1909-4-28 590 Siskiyou Cherry Creek Comment
  CAS-BOT-BC16149  Boechera covillei R. E. Frenkel 1963-7-13 248 Siskiyou Mount Shasta, vicinity of rain guage below Horse Camp. 2255 Comment
  CAS-BOT-BC13808  Boechera howellii Reed Rollins 1938-7-28 11373 Siskiyou Mount Shasta. North Ridges. 2743 Comment
  JEPS90245  Boechera paupercula Dean W. Taylor 1975-8-14 5356 Siskiyou between Shasta Ski Area and Green Butte (Mount Shasta); Mount Shasta 2590 Comment
  CAS-BOT-BC14272  Boechera pinetorum John Thomas Howell 1937-7-29 13675 Siskiyou North slope of Scott Mountains. 1676 Comment
  RSA0126102  Boechera pratincola C. L. Hitchcock, J. S. Martin 1939-7-9 5308 Siskiyou N side of Black Mt. near Marble Mt. (King s Castle). 2073 Comment
  CAS-BOT-BC25432  Boechera retrofracta Lincoln Constance; Reed Clark Rollins 1942-5-13 2917 Siskiyou Klamath-Siskiyou Region. Scott River 10 miles southwest of Scott Bar. 609 Comment
  CHSC96093  Boechera retrofracta L. P. Janeway 2006-7-3 8752 Siskiyou Klamath Ranges. Salmon Mountains; Music Creek Trailhead near upper Music Creek. 1893 Comment
  JEPS53078  Boechera retrofracta Harley P. Chandler Jun 1901 1621 Siskiyou near Marble Mountain; North Coast Ranges 2133 Comment
  UC722144  Boechera retrofracta C. L. Hitchcock and J. S. Martin 1939-7-9 5310 Siskiyou between Kings Castle and Black Mt. (w side of ridge) 1828 Comment
  CAS-BOT-BC25622  Boechera retrofracta C. L. Hitchcock; J. S. Martin 1939-7-9 5310 Siskiyou Between King's Castle and Black Mountain west side of ridge. 1828 Comment
  CAS-BOT-BC410946  Boechera sparsiflora Geo. D. Butler 1910-4-16 1178 Siskiyou Klamath hills Comment
  UC1408831  Botrychium multifidum Frederick W. Oettinger 1968-8-7 443 Siskiyou inlet to Tobacco Lake Salmon Mountains, Marble Mountain Wilderness area Comment
  UC1611325  Botrychium pinnatum Donald Burk 1993-10-1 Siskiyou ca. 3/4 mi e Gray Butte radio facilities (between confluence of 2 streams); s slope Mt. Shasta 1950 Comment
  RSA238309  Boykinia major Frederick W. Oettinger 1967-7-30 215 Siskiyou About 300 yrds up tributary of Upper English Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. Comment
  UC894183  Brickellia grandiflora J. Thomas Howell 1939-8-4 15044 Siskiyou Marble Rim Marble Mts. Comment
  CAS-BOT-BC127716  Brickellia greenei Alice Eastwood 1912-8-28 1956 Siskiyou Cantara Comment
  CAS-BOT-BC383117  Brickellia greenei Andrew Townesmith; Karen M. Meyer 2007-7-28 862 Siskiyou Shasta-Trinity National Forest. Along Forest Service route 26, 4.1 miles west of forest boundary 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
  UCSC000152  Brodiaea coronaria I. J. Condit 2007-6-30 s.n. Siskiyou Sisson Comment
  UC1190170  Brodiaea elegans subsp. elegans Ira L. Wiggins 1955-7-25 13509 Siskiyou meadow Mountain View Ranch 960 Comment
  CDA1788  Bromus briziformis Don Shaw 1971-9-7 Siskiyou Ball Mountain Road, 12 miles east of Montague. 0 Comment
  RSA577539  Bromus carinatus L. C. Wheeler 1935-5-11 3476 Siskiyou Klamath River at Ash Creek 610 Comment
  SEINET3921875  Bromus carinatus var. carinatus Jennifer J. Whipple 1978-7-20 2358 Siskiyou Draining into the North Fork of the Sacramento River.; 0 2377 Comment
  CAS-BOT-BC148800  Bromus carinatus var. marginatus William A. Dayton 1913-8-14 456 Siskiyou Shasta Forest. Ash Creek Sink. 1219 Comment
  UCD58489  Bromus commutatus P. B. Kennedy 1923-7-29 s.n. Siskiyou Mt. Shasta. Camp Sisson. Comment
  UC70705  Bromus inermis subsp. inermis Jos. Burtt Davy June 1902 Siskiyou Sisson Comment
  CHSC91358  Bromus japonicus Lowell Ahart; John Dittes 2005-6-9 12009 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
  RSA239067  Bromus marginatus Frederick W. Oettinger 1969-8-13 1351 Siskiyou Southeast ridge of English Peak. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2134 Comment
  HSC103037  Bromus tectorum J. P. Smith 2014-6-7 13895 Siskiyou Along State Route 3 at its junction with the East Fork of the Scott River 994 Comment
  UC816448  Bromus tectorum A. A. Heller 1916-6-20 12405 Siskiyou ne base of Mount Eddy, Metcalf's Ranch Mount Eddy; , Metcalf's Ranch 1188 Comment
  UCD59948  Bromus tectorum A. A. Beetle; G. L. Stebbins Jr. 1942-5-30 3382 Siskiyou 2 miles south of Doris, on Hwy. 97. Comment
  HSC91979  Calamagrostis breweri Jennifer Whipple 1977-8-5 2183 Siskiyou Slopes near Little Crater Lake 2195 Comment
  HSC91981  Calamagrostis breweri Jennifer Whipple 1976-7-25 1576 Siskiyou N face of Mount Eddy 2439 Comment
  RSA238376  Calamagrostis koelerioides Frederick W. Oettinger 1969-9-3 1614 Siskiyou Shasta Ridge, north slope of English Peak. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2073 Comment
  RSA239128  Calamagrostis koelerioides Frederick W. Oettinger 1969-9-3 683 Siskiyou West of Horse Range Lake, northwest of Horse's Hole Pond. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1921 Comment
  RSA239130  Calamagrostis koelerioides Frederick W. Oettinger 1968-8-23 605 Siskiyou Below overlook of English Lake, on slope of English Peak, in a meadow on trail to Tom Taylor Cabin. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2073 Comment
  RSA239133  Calamagrostis koelerioides Frederick W. Oettinger 1968-9-7 771 Siskiyou On ridge above Tobacco Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2012 Comment
  RSA245255  Calamagrostis koelerioides J. O. Sawyer 1969-8-4 1880 Siskiyou Southeast slope above Sugar Lake. 2165 Comment
  UCD57332  Calamagrostis koelerioides Geo. D. Butler 1910-7-7 1651 Siskiyou Shackleford Creek. Comment
  UCD57335  Calamagrostis koelerioides Beecher Crampton 1956-8-21 3825 Siskiyou the headwater of the south fork of the Sacramento River, 1/2 mile northeast of Gumboot Lake. 1767 Comment
  UCSC000100  Calamagrostis koelerioides A. H. Murphy 1956-8-16 560 Siskiyou Big Marshy Meadow - Klamath National Forest 1981 Comment
  HSC23461  Calamagrostis nutkaensis J. O. Sawyer 1969-8-4 1841 Siskiyou Above Sugar Lake 2134 Comment
  UC869391  Callitriche verna Louis C. Wheeler 1935-6-13 3568 1/2 Siskiyou Greenview; Scott Valley 883 Comment
  CAS-BOT-BC85726  Calocedrus decurrens Carl B. Wolf 1927-8-26 1059 Siskiyou On the Klamath River, 3 mi. below Gottville Comment
  UC813615  Calocedrus decurrens A. A. Heller 1915-8-26 12254 Siskiyou at the foot Mt. Eddy (Metcalf's Ranch) 1188 Comment
  UCD166588  Calocedrus decurrens Dylan O. Burge 2016-8-28 2128 Siskiyou Little Crater Lake, N shore. 2337 Comment
  CAS-BOT-BC85742  Calocedrus decurrens W. R. Dudley 1905-8-1 s.n. Siskiyou Sacramento below wood and Sheldon's Mill Comment
  CAS-BOT-BC85749  Calocedrus decurrens C. Hart Merriam 1907-9-15 s.n. Siskiyou Near Hat Creek (between Snell's and Eldredge's. Comment
  SEINET10531061  Calocedrus decurrens Jeffrey Huber 1971-6-9 Huber 269 Siskiyou 3 mi N of Weed, on US Hwy 97; S facing 20.00.00 slope; roadside; in Pinus ponderosa, P. jeffreyi, and Artemisia tridentata and Purshia. 1128 Comment
  CAS-BOT-BC132245  Calochortus A. M. Vollmer; L. Beane 1951-6-2 56 Siskiyou Road between Streamline Lodge and Deer Camp, north of Klamath River Highway Comment
  UCR93344  Calochortus coeruleus Kathy Harper, Dane Karr 1994-6-15 s.n. Siskiyou State Hwy 89 about 5 mi west of Bartle 1159 Comment
  CAS-BOT-BC488604  Calochortus elegans var. nanus Marion Ownbey; D. H. Brown 1941-6-23 2429 Siskiyou On ridge near Gunsight Peak, Mountains west of Yreka Comment
  CAS-BOT-BC488609  Calochortus elegans var. nanus L. E. Smith 1913-5-12 208 Siskiyou Dunsmuir Comment
  SEINET12053885  Calochortus elegans var. nanus H. P. Chandler 1901-1 1646 Siskiyou Marble Mountain, North Coast Ranges 2438 Comment
  SEINET8339364  Calochortus macrocarpus Frank Callahan 2007-6-23 Siskiyou Louie Rd. exchange off I-5 going northeast on pavement - pavement ends and road turns to gravel. Comment
  HSC581  Calochortus nudus William J. Ferlatte 1966-6-22 100 Siskiyou Along the S Fork of the Salmon River, between the campground and Carter's 1524 Comment
  HSC44917  Calochortus tolmiei J. P. Smith 1976-5-5 8682 Siskiyou Road between Sawyers Bar and Somes Bar 488 Comment
  UC609324  Caltha biflora Eleanor Burks Hart 1938-8-21 908 Siskiyou Upper Wright Lake. Comment
  CAS-BOT-BC181512  Caltha leptosepala Annie M. Alexander; Louise Kellogg 1949-7-28 5879 Siskiyou Sky High Valley, Marble Mountains 1767 Comment
  SEINET3863991  Calycadenia fremontii G. D. Carr 1974-9-11 781 Siskiyou Gazelle-Callahan Rd., 5.3 mi NE of Callahan.; 0 1068 Comment
  RSA184809  Calypso bulbosa Gilbert Muth 1966-7-14 395 Siskiyou Trail to Black Mountain, Marble Mountains. Comment
  SEINET7096759  Calyptridium monandrum A. G. Vestal 1955-5-16 s.n. Siskiyou Open pine country just west of Weed between tail road and highway 99 (I 15). NAD27, 41? deg. 25' 49ao, -122?_ 24' 09ao (converted to WGS84 decimal degrees) UTM Zone 10, 549920mE, 4586493mN. Comment
  UC625479  Calyptridium monospermum Frank W. Gould 1938-6-27 481 Siskiyou 3 mi n of Mount Shasta (town) (near hwy U.S. 99) 1082 Comment
  UC528036  Calyptridium umbellatum Elmer I. Applegate 1923-8-18 3848 Siskiyou Medicine Lake Comment
  SBBG30597  Calystegia malacophylla subsp. malacophylla D. Myrick 1968-6-27 2033 Siskiyou Big Flat Public Camp, head of Coffee Crk, Trinity Alps 1524 Comment
  RSA47654  Calystegia occidentalis subsp. occidentalis Roxana S. Ferris, Laura Lorraine, R. T. Ferris 1948-6-12 11865 Siskiyou 8 miles from summit of Gazelle Mt. grade, east side. 930 Comment
  CAS-BOT-BC37003  Camelina microcarpa A. A. Beetle; G. L. Stebbins, Jr. 1942-5-31 3409 Siskiyou Canyon north of Willow Creek, 5 miles west of Gazelle. 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-BC160899  Camissonia tanacetifolia subsp. tanacetifolia Alice Eastwood 1921-7-28 10925 Siskiyou Medicine Lake Comment
  POM160660  Camissonia tanacetifolia subsp. tanacetifolia A. A. Heller 1922-7-15 13714 Siskiyou Medicine Lake 2134 Comment
  JEPS95640  Campanula prenanthoides Vernon H. Oswald and L. Ahart 1994-8-1 6421 Siskiyou T39N R5W SE1/4 Sec. 16, 4720 ft, Yellow Pine Forest. Forest Rd. 26 paralleling the South Fork of the Sacramento River, 0.3 mi E of Forest Rd. 40N43, 9.0 mi SW of the dam at Lake Siskiyou 1438 Comment
  SDSU1366  Campanula prenanthoides D. F. Howe 1962-8-4 3388 Siskiyou Baldy Mts. 1524 Comment
  SEINET10462933  Campanula prenanthoides Clifton 1978-7-6 CLIFTON 1927 Siskiyou NR OFFIELD MTN, FORKS OF SALMON QUAD. NR SOMES BAR 2700', GANITE SOIL Comment
  RSA758220  Campanula prenanthoides R. F. Thorne 1969-8-2 63327 Siskiyou Klamath National Forest, Salmon Mountains, Marble Mountain Wilderness Area, high lake basins in the vicinity of English Peak Comment
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Jul 26 2017
  SEINET10463080  Campanula prenanthoides Ferlatte 1966-8-18 FERLATTE 420 Siskiyou Along the South Fork of the Salmon River between the campground and Carter's. T37N R9W Sec. 19 & 30 1524 Comment
  SEINET10463083  Campanula prenanthoides G. B. Grant Grant 5188 Siskiyou Mount Shasta Comment
  SEINET10463086  Campanula prenanthoides Kildale 1928-7-3 KILDALE 5442 Siskiyou Little North Fork of Salmon River near mouth Comment
  SEINET10463161  Campanula prenanthoides Cyrus G. Pringle 1881-8-16 Pringle s.n. Siskiyou Comment
  SEINET12265040  Campanula prenanthoides M. Ownbey, Meyer, F. G. 1940-1 2171 Siskiyou Siskiyou Mts., NW of Hornbrook Comment
  SEINET10972072  Campanula scabrella Muth 1978-8-1 MUTH 6957 Siskiyou Near Cory Peak, on the China Mountain quadrangle, close to the town of Callahan 2195 Comment
  HSC77128  Campanula scouleri L. P. Janeway 1983-9-11 651 Siskiyou Poker Flat 1524 Comment
  JEPS109882  Cardamine bellidifolia var. pachyphylla Dean W. Taylor 2005-8-18 19468 Siskiyou Dry Creek Peak, cirque on north face at headwaters Antelope Creek 1950 Comment
  HSC90977  Cardamine californica Jennifer Whipple 1977-8-5 2169 Siskiyou Mt. Eddy, Wagon Creek drainage near Wagon Creek 2287 Comment
  CAS-BOT-BC37796  Cardamine nuttallii George Dexter Butler 1909-3-22 566 Siskiyou Slyva. Oro Fino. Comment
  CDA6891  Carduus nutans C. S. Giebner 1966-7-1 Siskiyou Colly Road south of Grenada. 0 Comment
  RSA550450  Carex abrupta R. Tallent 1987-8-16 942 Siskiyou Panther Meadows Trailhead area. Mt. Shasta area. 2220 Comment
  RSA237249  Carex abrupta Frederick W. Oettinger 1968-9-6 803 Siskiyou West shore of Hancock Lake. Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1890 Comment
  UC1265327  Carex abrupta Frederick W. Oettinger 1968-9-8 733 Siskiyou se Tom's lake; Salmon Mountains, Marble Mountain Wilderness Area 2148 Comment
  HSC85806  Carex aquatilis var. dives L. P. Janeway 1983-8-28 637 Siskiyou Poker Flat, middle of meadow 1529 Comment
  UC144466  Carex bolanderi A. A. Heller 1905-6-13 8025 Siskiyou near Shasta Springs Comment
  UC827030  Carex bolanderi John Thomas Howell 1939-8-3 14989 Siskiyou Spirit Lake Marble Mountains 1828 Comment
  HSC73326  Carex concinnoides Gail Newton 1980-6-20 488 Siskiyou Near Bald Mtn. 1097 Comment
  HSC77165  Carex densa L. P. Janeway 1983-7-30 464 Siskiyou Along N shoreline of Iron Gate Reservoir 732 Comment
  CHSC88398  Carex dudleyi Jenny Marr 1993-7-1 157 Siskiyou Butte Valley Wildlife Area, +/- 7 air miles NW of the town of MacDoel. Meadow NW of Meiss Lake. 1349 Comment
  UC1950436  Carex echinata subsp. echinata Barbara Ertter 1990-7-14 9351 Siskiyou just N of roadfork on FR 40N234 ca 1/2 mi S of Wagon Creek, E side Mt Eddy ca 4 airmiles W of Mt Shasta City; E- facing hillside Comment
  CHSC78915  Carex feta Rhonda Posey 2000-8-17 Siskiyou Mud Creek Meadows; along Road 42N13 (Pilgrim Creek Road) about 3.5 mi northeast of the McCloud Ranger District office in McCloud. 1097 Comment
  CAS-BOT-BC20745  Carex fracta William Bridge Cooke 1938-8-19 11524 Siskiyou Mt. Shasta. Lower Bear Spring. 1524 Comment
  SEINET10843651  Carex fracta Cyrus G. Pringle 1881-8-23 Pringle s.n. Siskiyou Mount Shasta. 1829 Comment
  JEPS101096  Carex geyeri Dean W. Taylor 1997-6-12 16065 Siskiyou hillslopes at base of Scott Mountains at mouth of Willow Creek, Shasta Valley); ca. 4 miles west of Gazelle 944 Comment
  UCR52389  Carex gigas L. P. Janeway 1983-8-27 623 Siskiyou Twin Valley, lower meadow near trail, on W side of creek. 1494 Comment
  SEINET10652997  Carex gigas Thomas W. Nelson, Jane P. Nelson; James P. Smith 1978-7-24 Nelson 4544 Siskiyou Siskiyou-Trinity County line. China Mountain Quad. T39N, R7W, Sec. 5. Bog at head of Scott Mountain Creek south of Forest Service Campground. 1646 Comment
  SEINET8220425  Carex gigas J. Kierstead 1991-7-3 91 -96 Siskiyou Mt. Shasta Ranger District. Fawn Creek Meadow 1829 Comment
  RSA14333  Carex halliana Elmer I. Applegate 1923-8-18 s.n. Siskiyou Hoffman Mtn, Medicine Lake Comment
  HSC81979  Carex hassei Thomas W. Nelson, Jane P. Nelson 1979-6-16 4860 Siskiyou Above Mule Creek, along Hwy. 3, 4.4 mi. N of Scott Mtn. Summit 1220 Comment
  SEINET10504761  Carex hoodii Melvin L. Conrad, David B. Dunn; Patricia L. Kenney 1973-6-2 Conrad 6986 Siskiyou Yellow pine, libocedrus, douglas fir, western hemlock forest, 17.4 miles ne of Cecilville store, on road to callahan 2073 Comment
  HSC85843  Carex hoodii L. P. Janeway 1983-8-26 608 Siskiyou Poker Flat, across road on N side of meadow 1524 Comment
  HSC166  Carex interior William J. Ferlatte 1966-8-2 236 Siskiyou Big Flat, between campground and S fork of the Salmon River 1524 Comment
  CDA33095  Carex jonesii T. C. Fuller 1962-6-13 8982 Siskiyou Toad Well, road to Medicine Lake, ca. 12 miles northeast of Bartle. 0 Comment
  UC826561  Carex laeviculmis John Thomas Howell 1939-8-3 14964 Siskiyou Spirit Lake Marble Mts. 1828 Comment
  CAS-BOT-BC7577  Carex laeviculmis L. P. Janeway 1982-8-15 144 Siskiyou Below Echo Lake 1645 Comment
  SEINET7563560 Image available Carex laeviculmis Frederick W. Oettinger 1969-8-19 1458 Siskiyou Abbott's Basin, High Lake Basins in the vicinity of English Peak Marble Mountain Wilderness Area. 1905 Comment
  JEPS84071  Carex lenticularis var. impressa L. R. Heckard with S. D'Alcamo, J. Hickman 1986-7-16 6375 Siskiyou ca. 1.5 mi e Red Butte summit (ca. 7 mi nne of Seiad Valley, w of Cook and Green Pass) 1900 Comment
  POM81782  Carex lenticularis var. impressa Geo D. Butler 1910-7-6 1646 Siskiyou Shackleford Creek. 915 Comment
  CAS-BOT-BC31435  Carex leporinella Louis C. Wheeler 1934-8-9 3087 Siskiyou Jaynes Canyon. 1981 Comment
  JEPS121605  Carex luzulina Jennifer Buck, Deborah Stout 2011-8-23 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. TL03B Comment
  JEPS109545  Carex luzulina var. ablata Dean W. Taylor 1988-7-9 9938 Siskiyou Gumboot Lake, headwaters South Fork Sacramento River 1950 Comment
  UC1147817  Carex luzulina var. ablata John Thomas Howell 1937-7-23 13332 Siskiyou near Big Flat (South Fork of Salmon River) 1524 Comment
  SEINET10850462  Carex mariposana Louis C. Wheeler 1934-7-21 Wheeler 3014 Siskiyou Loose dry soil in sheltered spot. Head of Jaynes Canyon. Siskiyou Mts. S12, T47N, R10W. Mt. Diablo Mer. 2042 Comment
  HSC76388  Carex mendocinensis L. P. Janeway 1982-6-29 30 Siskiyou Old roadbed across small creek, 400 ft. SE of No Mans Creek, and .7 mi. up No Mans Creek from the Clear Creek Road 701 Comment
  HSC45960  Carex multicaulis J. P. Smith 1973-5-5 6395 Siskiyou In and around the O'Neill Campground near Seiad Valley. 488 Comment
  CAS-BOT-BC32003  Carex multicaulis L. P. Janeway 1982-8-21 169 Siskiyou Preston Peak Quad, in the old dirt road between Poker Flat and Twin Valley, near Twin Valley 1463 Comment
  HSC37150  Carex multicaulis J. O. Sawyer 1969-7-1 961 Siskiyou NE facing upper slope above Paynes Lake Creek 1784 Comment
  CAS-BOT-BC32279  Carex multicostata J. Major 1961-7-14 644 -A Siskiyou Upland meadow along Mud Creek, Mt. Shasta 1980 Comment
  CAS-BOT-BC32281  Carex multicostata Louis Cutter Wheeler 1934-8-6 3049 Siskiyou Bear Ground Bl. 1676 Comment
  HSC91358  Carex multicostata Jennifer Whipple 1978-10-6 2407 Siskiyou Dale Creek drainage on N face of Mt. Eddy. 2195 Comment
  CHSC98338  Carex nebrascensis Thomas W. Nelson; Jane P. Nelson 1982-7-30 7321 Siskiyou North Coast Ranges. Along Forest Service road 41N08 to Kangaroo Lake at bridge over Rock Fence Creek. 1584 Comment
  CHSC99473  Carex nebrascensis Barbara L. Wilson; Richard E. Brainerd 2004-6-17 10917 Siskiyou Gazelle-Callahan Road. 1478 Comment
  CHSC48072  Carex pachystachya L. P. Janeway 1983-6-25 327 Siskiyou Seep along edge of dirt road ca 350 m N of West Branch USFS Station towards Indian Cr. 670 Comment
  CAS-BOT-BC119127  Carex phaeocephala William Bridge Cooke 1939-7-26 13756 Siskiyou Along summit trail above timberline (Merriam's) Mount Shasta. 3048 Comment
  RSA577427  Carex praegracilis L. C. Wheeler 1935-6-30 3632 Siskiyou Shasta Valley, 3 miles S of Grenada. 793 Comment
  SEINET10708787  Carex praegracilis Louis C. Wheeler 1935-6-30 Wheeler 3631 Siskiyou Dry subsaline adobe flat. 3 mi. S. Grenada, Shasta Valley. 792 Comment
  CAS-BOT-BC118772  Carex preslii John Thomas Howell 1937-7-25 13488 Siskiyou Caribou Basin, Salmon-Trinity Alps 2286 Comment
  RSA211369  Carex proposita William J. Ferlatte 1967-8-21 1077 Siskiyou Sawtooth Ridge, Caribou Basin. Ridge west of Big Caribou Lake. Trinity Alps. 2134 Comment
  UC834792  Carex raynoldsii A. A. Heller 1922-7-15 13701 Siskiyou Medicine Lake 2133 Comment
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Jan 18 2008
  CAS-BOT-BC118606  Carex raynoldsii K. T. Stillman 1976-8-7 198 Siskiyou Scott Mar Quad, Marble Mountain Wilderness Area. 1828 Comment
  CAS-BOT-BC118216  Carex rossii John Thomas Howell; Gordon H. True 1972-6-8 48857 Siskiyou S of summit on road from Takilma to Happy Camp Comment
  HSC76834  Carex rostrata L. P. Janeway 1982-9-3 183 Siskiyou Inlet to Little Carmen Lake 1768 Comment
  HSC90843  Carex rostrata D. K. Imper 1987-7-22 Siskiyou 8 mi. E of Somes Bar 1372 Comment
  HSC39805  Carex scopulorum var. bracteosa J. O. Sawyer 1969-7-18 1414 Siskiyou Head of S Russian Creek 1829 Comment
  HSC77255  Carex scopulorum var. bracteosa L. P. Janeway 1983-7-9 393 Siskiyou S side of Indian Creek at FS 17N32 crossing 1159 Comment
  SEINET7575019 Image available Carex scopulorum var. bracteosa Frederick W. Oettinger 1969-8-6 1262 Siskiyou Salmon Mountains; High Lake Basins in the vicinity of English Peak Marble Mountain Wilderness Area, west of Tom's Lower Pond. 1951 Comment
  CAS-BOT-BC117689  Carex simulata Frank Walton Gould 1940-5-14 12325 Siskiyou Bull Meadows, Goosenest Mountain 1524 Comment
  UC922497  Carex spectabilis Annie M. Alexander and Louise Kellogg 1949-7-28 5886 Siskiyou Sky High Valley Marble Mountains 1767 Comment
  HSC30553  Carex spectabilis Frederick W. Oettinger 1969-9-2 1603 Siskiyou Marble Mtn. Wilderness Area, in Bear Meadow near Tom Taylor Cabin 2165 Comment
  HSC30702  Carex spectabilis Frederick W. Oettinger 1969-8-19 1439 Siskiyou Marble Mtn. Wilderness Area, SW of Arrow Peak and N of English Peak 1936 Comment
  HSC76308  Carex spectabilis L. P. Janeway 1982-8-15 146 Siskiyou Below Echo Lake 1646 Comment
  UC1265456  Carex spectabilis Frederick W. Oettinger 1968-9-9 798 Siskiyou above Tom's upper Pond (n of Tom's Lake); Salmon Mountains, Marble Mountain Wilderness Area 2011 Comment
  RSA211378  Carex utriculata William J. Ferlatte 1966-8-3 293 Siskiyou Josephine Lake basin. 1677 Comment
  CHSC40129  Carex vesicaria L. P. Janeway 1982-8-15 149 Siskiyou On w side of Echo Lake. 1676 Comment
  UC194549  Carex vesicaria Geo. D. Butler 1910-7-8 1666 Siskiyou Log Lake Shackleford Creek 1219 Comment
  UC836867  Carex vesicaria A. A. Heller 1922-7-15 13711 Siskiyou Medicine Lake 2133 Comment
  RSA238961  Carex vesicaria Frederick W. Oettinger 1969-8-22 1506 Siskiyou Along N shoreline of Horse Range Lake. Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1822 Comment
  CAS-BOT-BC59704  Cassiope mertensiana Doris K. Kildale 1929-7-20 8582 Siskiyou E. spur of Preston Peak above Rockefeller Lake. 2133 Comment
  CAS-BOT-BC59705  Cassiope mertensiana Louis C. Wheeler 1934-8-17 3178 Siskiyou N. side of White Mt., Siskiyou Mts. Mt. Diablo Mer. 1828 Comment
  UC1409390  Cassiope mertensiana subsp. ciliolata Frederick W. Oettinger 1969-7-28 1083 Siskiyou near in let stream, Little Hancock Lake 2042 Comment
  RSA0006666  Cassiope mertensiana subsp. ciliolata E. B. Copeland 1903-8-18 3898 Siskiyou Mt. Eddy 2591 Comment
  HSC16  Castilleja applegatei William J. Ferlatte 1966-6-22 105 Siskiyou 3 mi. S of Big Flat 1585 Comment
  HSC19031  Castilleja applegatei J. O. Sawyer 1969-7-3 1054 Siskiyou SE facing slope above Horse Range Creek 1616 Comment
  CAS-BOT-BC241139  Castilleja applegatei subsp. pinetorum Alice Eastwood 1921-7-29 10962 Siskiyou Little Mt. Hoffman Comment
  HSC19030  Castilleja applegatei subsp. pinetorum J. O. Sawyer 1969-6-11 846 Siskiyou Above C.C.C. road. 1287 Comment
  HSC81582  Castilleja applegatei subsp. pinetorum Thomas W. Nelson, Jane P. Nelson 1980-7-17 6086 Siskiyou Along FS Rd. 17, 1 mi. N of summit at county line 2073 Comment
  JEPS9789  Castilleja applegatei subsp. pinetorum Geo. D. Butler 1909-6-23 931 Siskiyou Goosenest Mountain Comment
  UC585187  Castilleja applegatei subsp. pinetorum E. B. Babcock, G. L. Stebbins Jr. 1936-6-13 1988 Siskiyou about 1.5 mi w Mt. Shasta City (e and ne slope of spur of Rainbow Ridge, above Sulloway Creek); Rainbow Ridge 1188 Comment
  CAS-BOT-BC94481  Castilleja applegatei subsp. pinetorum R. C. Wenk 2005-7-20 354 Siskiyou National Forest Road 17, 1 mile down road to the N, heading towards Mt. Shasta 2029 Comment
  CAS-BOT-BC243761  Castilleja applegatei var. pinetorum Elmer I. Applegate 1936-5-2 10203 Siskiyou Lava Beds National Monument between Indian Well and Caldwell Butte Comment
  JEPS6841  Castilleja arachnoidea H. A. Thomas and J. H. Thomas 1954-7-24 4481 Siskiyou about 9 mi e Cecilville (vicinity of Rush Lake and Rush Creek Meadow); Salmon-Trinity Mts., Rush Lake, Rush Creek Meadow 1828 Comment
  SD53345  Castilleja arachnoidea Darley F. Howe 1962-8-6 Siskiyou Mt. Shasta 2438 Comment
  SEINET13737231  Castilleja arachnoidea G. D. Butler 1910-7-8 1684 Siskiyou Shackleford Creek. 1829 Comment
  SEINET3159135  Castilleja arachnoidea G. D. Butler 1910-7-8 1684 Siskiyou Shackleford Creek 1829 Comment
  SEINET10549343  Castilleja arachnoidea F. Marion Ownbey 1938-7-20 Ownbey 1761 Siskiyou Open gravelly slopes, near dry lake lookout, summit of the siskiyou mtns. Comment
  RSA183718  Castilleja arachnoidea subsp. schizotricha Gilbert Muth 1965-8-6 179 Siskiyou Backside of Blk. Mt. Marble Mts. 2073 Comment
  RSA215641  Castilleja arachnoidea subsp. schizotricha Gilbert Muth 1969-8-6 1209 Siskiyou Boulder Peak. 2530 Comment
  SJSU2090  Castilleja linariifolia J. W. Tilden 1958-6-25 1260 Siskiyou near Monument Headquarters, Lava Beds National Monument Comment
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Jun 3 2009
  CAS-BOT-BC253613  Castilleja miniata Ira L. Wiggins 1955-7-27 13555 Siskiyou Caribou Lake, Salmon-Trinity Alps Primitive Area 2042 Comment
  CAS-BOT-BC254012  Castilleja miniata Geo. D. Butler 1909-6-23 929 Siskiyou Goosenest foothills Comment
  CAS-BOT-BC254026  Castilleja miniata Gilbert J. Muth 1969-8-8 1306 Siskiyou Boulder Peak Ridge Gap meadow 2286 Comment
  CAS-BOT-BC254106  Castilleja miniata Edna Kelsey 1961-8-1 s.n. Siskiyou Marble Mts. Skyhigh Lake Comment
  HSC72404  Castilleja miniata J. P. Smith, Steve Selva 1970-7-17 4477 Siskiyou Below Kangaroo Lake. 1890 Comment
  JEPS19007  Castilleja miniata Barbe 1957-7-13 374 Siskiyou Big Flat Public Camp; Klamath National Forest 1524 Comment
  JEPS23291  Castilleja miniata Rimo Bacigalupi with Mr. and Mrs. Van Deventer 1959-7-9 7260 Siskiyou Poker Flat 1536 Comment
  JEPS6840  Castilleja miniata H. A. Thomas and J. H. Thomas 1954-7-25 4533 Siskiyou vicinity Rush Lake and Rush Creek Meadow (about 9 mi e of Cecilville); Salmon-Trinity Mts., Rush Lake, Rush Creek Meadow 1828 Comment
  JEPS84008  Castilleja miniata L. R. Heckard with S. D'Alcamo, J. Hickman, S. Winchester 1986-7-15 6310 Siskiyou from Takilma to Happy Camp (Indian Creek Road, just s of state line) Comment
  RSA183418  Castilleja miniata J. M. Tucker 1963-8-17 3740 Siskiyou Red Rock Creek, in vicinity of cabin. Lower Red Rock Valley, Marble Mountain Wilderness Area. 1494 Comment
  UCD122989  Castilleja miniata J. M. Tucker 1963-8-17 3740 Siskiyou in vicinity of cabin, Red Rock Creek, lower Red Rock Valley, Marble Mountain Wilderness Area. 1493 Comment
  CAS-BOT-BC241052  Castilleja pilosa Alice Eastwood 1921-7-28 10888 Siskiyou Medicine Lake Comment
  CHSC71329  Castilleja pruinosa Vernon H. Oswald; Lowell Ahart 1998-6-11 9189 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
  POM42532  Castilleja pruinosa Geo. D. Butler 1910-6-7 1529 Siskiyou Greenhorn Mountain. Comment
  RSA184819  Castilleja pruinosa Gilbert Muth 1966-7-14 394 -B Siskiyou Marble, south of Marble Valley, Marble Mountains. 1793 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
  RSA50156  Castilleja pruinosa E. K. Balls 1949-7-9 13948 Siskiyou Salmon Mts. summit of pass on rd from Etna to Sawyer's Bar. 1479 Comment
  RSA700165  Castilleja pruinosa Noel Holmgren, James L. Reveal 1966-6-9 2674 Siskiyou Siskiyou mountains, O'Brien-Happy Camp road, 15 miles north of Happy Camp (Indian Creek drainage). 960 Comment
  RSA0005982  Castilleja shastense E. B. Copeland 1903-8-15 3805 Siskiyou Mount Shasta. 2317 Comment
  CHSC57458  Castilleja tenuis L. P. Janeway 1984-6-21 863 Siskiyou Garvey Bar, south side Klamath River just east of humbug Point. 594 Comment
  RSA0039346  Ceanothus John F. Emmel 1993-7-28 1280 Siskiyou Northwest Trinity Alps; China Gulch trailhead, 1.0 air mile NNE of China Spring, ca. 6 air miles SSE of Cecilville. 1341 Comment
  CHSC68028  Ceanothus arcuatus James D. Jokerst 1992-7-30 3411 Siskiyou Top of divide between Trinity River, N of road. Pine stand SE of Summit. [No additional location data; W of Interstate 5? V. Oswald]. Comment
  CAS-BOT-BC48717  Ceanothus cordulatus W. B. Cooke 1947-8-8 17783 Siskiyou along the old snowline road, Mt. Shasta 1219 Comment
  RSA399045  Ceanothus cuneatus Bonnie C. Templeton 1957-6-22 s.n. Siskiyou Along the Scott River, north of Callahan. Comment
  RSA399888  Ceanothus integerrimus E. E. Stanford 1930-6-15 1586 Siskiyou 1 mile north of Dunsmuir. Comment
  UC18347  Ceanothus integerrimus T. H. Gilbert Jun 15 1899-Jul 15 1899 Siskiyou Scott River Valley Comment
  CAS-BOT-BC50683  Ceanothus integerrimus var. macrothyrsus K. L. Chambers 1967-6-22 2855 Siskiyou Siskiyou Mountains: rocky knoll ca. 500 ft. above and east of the freeway (Hwy. 5) at the Hilts exit, Siskiyou Pass 1097 Comment
  CAS-BOT-BC52122  Ceanothus prostratus L. E. Smith 1913-5-12 201 Siskiyou Dunsmuir Comment
  HSC39317  Ceanothus prostratus J. P. Smith 1974-5-26 7381 Siskiyou Along FS Rd. 47N03 1524 Comment
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Feb 26 2013
  JEPS42157  Ceanothus prostratus Geo. D. Butler 1908-8-2 410 Siskiyou Shackleford Creek 853 Comment
  JEPS42175  Ceanothus prostratus W. L. Jepson 1940-7-1 20074 Siskiyou 6 mi e McCloud (Fowlers Camp); McCloud River 944 Comment
  JEPS83647  Ceanothus sanguineus R. Raiche, K. Zadnik 1987-9-1 RR 70698 Siskiyou nw Klamath River (the town) (below confluence of Jaynes Crk. and W fork if Beaver Crk., on US Forest Service Rd 47N01, ca 0.5 mi n of bridge over w fork); Jaynes Canyon, Jaynes Cyn. drainage Comment
  HSC18346  Ceanothus velutinus R. C. Wunner 1965-6-7 107 Siskiyou Lava Beds National Monument, Mammoth Crater 1616 Comment
  JEPS74494  Ceanothus velutinus W. J. Ferlatte 1966-6-23 148 Siskiyou Big Flat Trinity Alps (near a public camp) 1524 Comment
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May 9 2008
  RSA398982  Ceanothus velutinus M. B. Dunkle 1944-7-7 9074 Siskiyou Deer Creek. 1768 Comment
  RSA82882  Ceanothus velutinus J. M. Tucker 1950-7-23 1938 Siskiyou Beside road to Panther Meadows, S slope of Mt Shasta. 1524 Comment
  UC79914  Ceanothus velutinus T. S. Brandegee July 1889 2 Siskiyou Sisson's Mt. Shasta, Sisson's Comment
  UCR93372  Ceanothus velutinus Kathy Harper, Dane Karr 1994-6-16 s.n. Siskiyou Modoc National Forest; Forest Route 49 (Lava Beds/ Medicine Lake Rd.) within 1 mi. of southern boundary of Lava Beds National Monument 1555 Comment
  CDA7017  Centaurea calcitrapa T. C. Fuller 1960-8-23 4964 Siskiyou ca. 1 mile northeast of Gazelle. 0 Comment
  CDA7211  Centaurea diffusa T. C. Fuller 1967-8-15 16262 Siskiyou Butte Valley; Butte Valley. West side of Highway 97 to Weed, 3 miles south of Macdoel. 0 Comment
  CDA18039  Centaurea melitensis P. Brucker 1999-7-19 PDR 977259 Siskiyou US Forest Service, Forks of Salmon Ranger Station, Fork of Salmon. 0 Comment
  SEINET10798231  Centaurea solstitialis Melvin L. Conrad, David B. Dunn; Douglas G. LeDoux 1973-6-1 Conrad 6970 Siskiyou East facing slope of road cut at the north edge of Hornbrook. 732 Comment
  CDA38008  Centaurea squarrosa CDFA Staff 1991-1 s.n. Siskiyou Hawkinsville. 0 Comment
  SBBG15939  Centromadia fitchii D. Myrick 1961-6-21 295 Siskiyou hwy 99 just S of Yreka 914 Comment
  CHSC95105  Cerastium arvense L. P. Janeway 2006-7-2 8736 Siskiyou Klamath Ranges. Salmon Mountains; east side of Trail Gulch (Creek) about 100 m south of its mouth at South Fork Salmon River (and Carter Meadow). Edge of large moist meadow. 1585 Comment
  HSC504  Cerastium fontanum subsp. vulgare William J. Ferlatte 1967-6-27 529 Siskiyou Big Flat, between campground and S Fork of the Salmon River 1524 Comment
  UCD98015  Cerastium tomentosum M. V. Maxwell 1958-6-10 s.n. Siskiyou Yreka. Comment
  UC637080  Ceratophyllum demersum Edward Lee 1934-8-12 1240 Siskiyou s side of the Klamath River near the mouth of Walker Creek ((e end of Seiad Valley)); s side of Klamath River near mouth Walker Creek 426 Comment
  CAS-BOT-BC207627  Cercis occidentalis Doris K. Kildale 1929-4-27 7848 Siskiyou Cecilville, south fork of Salmon River. Comment
  CAS-BOT-BC207630  Cercis occidentalis P. C. Everett; E. K. Balls 1959-10-24 23946 Siskiyou 7 mi. SW from Red Bank F. S. Camp on road from Sawyers Bar to Somersbar Comment
  CAS-BOT-BC135449  Cercocarpus betuloides var. betuloides L. E. Smith 1913-5-14 209 Siskiyou Yreka Comment
  UC375376  Cercocarpus ledifolius var. ledifolius Geo. D. Butler 1909-7-15 921 Siskiyou Highland Mine Comment
  SBBG30610  Chaenactis douglasii D. Myrick 1968-6-22 1995 Siskiyou Lava Beds Nat Monument 1371 Comment
  JEPS94397  Chaenactis douglasii var. douglasii Vernon Oswald and Lowell Ahart 1997-7-28 8769 Siskiyou 16 mi s of Medicine Lake (Forest Route 49 (Powder Hill Road) at 41N03 to Porcupine Butte); Forest Route 49 1365 Comment
  LA203125  Chaenactis douglasii var. douglasii Louis Wheeler; 1934-6-15 2715 Siskiyou Hungry Creek, Siskiyou Mts 1280 Comment
  HSC60902  Chaenactis douglasii var. douglasii Al Hobart Siskiyou Black Butte Comment
  UC229957  Chaenactis suffrutescens H. E. Brown Jun 11 1897-Jun 16 1897 411 Siskiyou n side Mt. Shasta 1524 Comment
  RSA714931  Chamaebatiaria millefolium M. E. Fishbein, Lane Greer 2006-8-3 5872 Siskiyou Along Forest Service road 49, 7 miles SSW of Medicine Lake, 0.4miles NE of Snag Hill. 1585 Comment
  CHSC66549  Chamaesaracha nana Vernon H. Oswald 1996-7-12 8002 Siskiyou High Cascade Range. Everitt Memorial Hwy. (A10) E of Mt. Shasta city 0.4 mi E of milepost 10. On an open slope below the highway. 2072 Comment
  HSC43153  Chamaesyce glyptosperma Ken Stillman 1976-8-24 430 Siskiyou Along the Klamath River at Williams Point 366 Comment
  RSA499042  Chamaesyce serpillifolia L. C. Wheeler 1934-6-22 2761 Siskiyou Cottonwood Creek. 915 Comment
  SBBG25916  Chamaesyce serpillifolia subsp. serpillifolia D. Myrick 1966-8-9 1511 Siskiyou Mountain Meadow Ranch, Big Flat 1524 Comment
  CAS-BOT-BC166096  Chamerion angustifolium subsp. circumvagum H. A. Thomas; J. H. Thomas 1954-7-23 4464 Siskiyou Salmon - Trinity Mts. About 6 miles SE of Cecileville. Vicinity of Blind Horse Creek 1036 Comment
  HSC188  Chamerion angustifolium subsp. circumvagum William J. Ferlatte 1967-8-21 1079 Siskiyou Sawtooth Ridge between Caribou Basin and Little S Fork Lake 2287 Comment
  HSC29136  Chamerion angustifolium subsp. circumvagum Frederick W. Oettinger 1968-8-2 365 Siskiyou Marble Mtn. Wilderness Area, Diamond Lake 2073 Comment
  CAS-BOT-BC70223  Cheilanthes gracillima Copeland 1903-7-16 3505 Siskiyou Mt. Shasta Comment
  UCD21470  Cheilanthes gracillima Ellen Dean; with Gary Nakamura and K. Mawdsley 2002-7-28 1210 Siskiyou Shasta Trinity National Forest; NW of Castle Crags, in Castle Crags Wilderness. Found west of I-5, near headwaters of the south fork of the Sacramento River. Near shore of Upper Gray Rock Lake. 1912 Comment
  UC1593361  Cheilanthes gracillima Alan Smith with Chris Richards, and C. Don Macneill 1992-6-5 2538 Siskiyou along Cave Loop Rd above Visitor's Center (Blue Grotto Cave); Lava Beds Nat'l Monument 1524 Comment
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May 30 2013
  UC922663  Cheilanthes gracillima Annie M. Alexander and Louise Kellogg 1948-9-8 5600 Siskiyou top of grade between Sawyers Bar and Etna; Siskiyou Mts 1737 Comment
  CDA3019  Chenopodium chenopodioides R. Pederson, G. Pederson 1979-8-15 Siskiyou Lower Klamath National Wildlife Refuge. Comment
  HSC4386  Chenopodium leptophyllum D. M. Thomson 1965-8-14 189 Siskiyou Lava Beds National Monument, Tickner Rd., 1.5 mi. from SE entrance Comment
  RSA210847  Chenopodium salinum R. F. Thorne 1969-9-3 39030 Siskiyou Hwy 161 at N edge of White Lake, 13.5 miles E of junction of Hwy 97 and 161. 1280 Comment
  UCR66585  Chenopodium vulvaria L. C. Wheeler 1934-10-6 03307 Siskiyou Yreka. 793 Comment
  HSC67858  Chimaphila menziesii J. P. Smith, Steve Selva 1970-6-16 3992 Siskiyou 6 mi. from Hwy. 3 on Rd. 8 to Sugar Creek. 1280 Comment
  UC1408764  Chimaphila menziesii Frederick W. Oettinger 1968-8-7 432 Siskiyou midway down Diamond-Hancock Lake trail Marble Mt. Wilderness Area; Salmon Mts., High Lake Basins, English Peak vicinity, Marble 2011 Comment
  CHSC71575  Chimaphila umbellata Vernon H. Oswald; Lowell Ahart 1998-8-3 9433 Siskiyou Near the Pacific Crest Trail in the Scott Mtns. west of Kangaroo Lake. 1981 Comment
  UC1483532  Chimaphila umbellata John Palmer 1980-8-12 687 Siskiyou s.e. Wards Gap; Klamath Nat'l Forest, Condry Mt. Quad. 1188 Comment
  UC637049  Chimaphila umbellata Edward Lee 1934-8-13 1086 Siskiyou watershed of W. Branch Indian Creek (Happy Camp-Waldo (Oregon) Rd.); Klamath Nat'l Forest, W. Branch Indian Creek 1463 Comment
  CAS-BOT-BC452265  Chimaphila umbellata L. E. Smith 1912-8-1 s.n. Siskiyou Mt. Shasta Comment
  HSC60904  Chimaphila umbellata Al Hobart Siskiyou Black Butte Comment
  SJSU8379  Chimaphila umbellata M. D. Fleachner 1965-7-8 Siskiyou c. 6 mi SW of Bartle on State Route 89 Comment
  SEINET13952977 Image available Chrysolepis chrysophylla F. J. Hermann 1972-1 24813 Siskiyou Rocky slope in open white fur woods on Sawyer's Bar Rd., alt 6,000 ft., 9 miles southwest of Etna. 0 Comment
  NY163429  Chrysothamnus parryi subsp. latior A. A. Heller 1915-8-26 12250 Siskiyou Wagon Creek at the foot of Mt. Eddy 1127.8 Comment
  SEINET2030003 Image available Chrysothamnus viscidiflorus subsp. viscidiflorus Lewis S. Rose 1941-8-28 41427 Siskiyou Dorris 1292 Comment
  UC904775  Chrysothamnus viscidiflorus subsp. viscidiflorus W. Bridge Cooke 1949-8-26 25651 Siskiyou along logging road above Bolam Station; Mount Shasta 1524 Comment
  POM603491  Cichorium intybus L. C. Wheeler 1935-6-27 3614 Siskiyou Greenview, Scott Valley. 884 Comment
  SEINET13943617 Image available Cicuta occidentalis G. D. Butler 1910-1 1788 Siskiyou Oro Fino Creek Comment
  JEPS43891  Circaea alpina subsp. pacifica Willis L. Jepson July 1894 14387 Siskiyou Sisson Comment
  RSA237259  Circaea alpina subsp. pacifica Frederick W. Oettinger 1967-6-28 132 Siskiyou Kelly Gulch, tributary of Salmon River. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 677 Comment
  CAS-BOT-BC105874  Cirsium G. J. Muth 1969-8-12 1369 Siskiyou Second Valley 2225 Comment
  CAS-BOT-BC285348  Cirsium andersonii Elizabeth McClintock; Wayne Roderick; Martha Roderick 1967-7-28 s.n. Siskiyou Gumboot Lake, Trinity Mts. 1828 Comment
  JEPS25883  Cirsium douglasii var. breweri Rimo Bacigalupi with L. Constance and L. Heckard 1960-7-21 7487 Siskiyou 6.2 mi above and sw Callahan (7 mi below and ne of road summit from Cecilville to Callahan) 1341 Comment
  OBI54107  Cirsium douglasii var. breweri David J. Keil, Kathleen Keil 1992-7-24 23561 Siskiyou Klamath NF E fo Callahan. 2.1 mi N of Kangaroo Lake on Rail Crk rd Comment
  CAS-BOT-BC288008  Cirsium occidentale var. candidissimum Louis C. Wheeler 1934-7-16 2908 Siskiyou Oak Knoll Ranger Station, Klamath River, Siskiyou Mts. 670 Comment
  OBI53783  Cirsium occidentale var. candidissimum David J. Keil 1992-7-20 23475 Siskiyou 10.3 mi W of Fort Jones along Scott River rd; above Scott river 900 Comment
  POM33220  Cirsium remotifolium var. odontolepis Geo. D. Butler 1910-7-9 1695 Siskiyou Shackleford Creek. 1220 Comment
  JEPS109258  Cirsium remotifolium var. rivulare D. W. Taylor 2002-7-27 18277 Siskiyou Salmon Mountains, logging road ca 1 mile N of Carter Meadow Summit, 8 miles SW of Callahan. Comment
  RSA439203  Cirsium scariosum E. Yale Dawson 1948-7-16 5099 b Siskiyou Margins of Grass Lake, north of Mount Shasta 1524 Comment
  CDA1590  Cirsium scariosum var. robustum T. C. Fuller 1959-7-9 2738 Siskiyou Hwy 99, 2 mi. S/ Gazelle. 0 Comment
  HSC5382  Cirsium vulgare D. M. Thomson 1965-8-14 196 Siskiyou California Lava Beds National Monument; Tichner Rd., 2 mi. from the SE entrance Comment
  HSC5381  Cirsium vulgare R. C. Wunner 1965-8-14 434 Siskiyou California Lava Beds National Monument; 2 mi. from Mammoth Crater on Rd. to SW entrance 1555 Comment
  CAS-BOT-BC439046  Cistanthe monosperma Alice Eastwood 1921-7-24 10760 Siskiyou Castle Lake Comment
  CAS-BOT-BC228979  Cistanthe umbellata John Thomas Howell 1934-7-4 12392 Siskiyou Unspecified Comment
  CAS-BOT-BC228988  Cistanthe umbellata Mrs. H. P. Bracelin 1931-6-21 454 Siskiyou North side of Mt. Eddy above Dobkin's Lake, near Mt. Shasta City 2133 Comment
  JEPS25540  Clarkia lassenensis Rimo Bacigalupi with Lincoln Constance 1959-6-17 7157 Siskiyou 4 mi ne Weed (slopes across from junction of Big Springs Road with U.S. 97) 1066 Comment
  SBBG4974  Clarkia lassenensis H. and M. Dearing 1939-6-3 3633 Siskiyou near Scott Bar Comment
  CAS-BOT-BC163457  Clarkia purpurea subsp. quadrivulnera L. B. Kildale 1930-6-1 9699 Siskiyou Salmon River between Forks of Salmon & Somes Bar Comment
  RSA105440  Clarkia purpurea subsp. quadrivulnera Douglas Barbe 1955-7-1 73 Siskiyou Klamath Mountains: 1.3 miles east of Etna on the Westside Road to Callahan 854 Comment
  UC412619  Claytonia parviflora subsp. parviflora Milo S. Baker 104 Siskiyou Igerna Comment
  HSC22124  Claytonia rubra subsp. rubra J. O. Sawyer 1969-6-11 815 Siskiyou Ridge next to C.C.C. road, near N fork of Horse Range Creek 1357 Comment
  UC618651  Claytonia rubra subsp. rubra unknown 1938-7-1 11122 Siskiyou Bear Spring; Mount Shasta Comment
  CAS-BOT-BC443833  Claytonia rubra subsp. rubra G. C. Kimber 1934-6-9 35 Siskiyou Ney Creek 1/8 mile from junction with Sacramento River 731 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
  CHSC1382  Claytonia saxosa A. Anderson 1962-3-14 Siskiyou Scott Valley. 914 Comment
  CHSC1385  Claytonia sibirica K. Jaekel 1939-7-25 Siskiyou Mt. Shasta. Comment
  RSA464446  Claytonia sibirica M. B. Dunkle 1944-6-25 9003 Siskiyou Beaver Creek. (Coastal Northern California). 1677 Comment
  UC375266  Clematis ligusticifolia Geo. D. Butler 1908-7-30 526 Siskiyou along creek near Yreka Comment
  SEINET6907101  Clematis ligusticifolia M. K. Solecki, J. B. Taft 1986-9-9 2144 Siskiyou Bank of Scotty River near Indian Scotty campground; elevation 2,200 feet. 670 Comment
  HSC44485  Collinsia greenei K. Irwin 1977-5-22 389 Siskiyou On South Fork Salmon River Rd., 4 mi. E of Cecilville 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
  RSA237558  Collinsia rattanii Frederick W. Oettinger 1968-9-9 794 Siskiyou Northeast of Tom's Lake. The Salmon Mountains. The High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1829 Comment
  HSC4799  Collinsia torreyi var. latifolia William J. Ferlatte 1966-7-7 193 Siskiyou Caribou Basin 1982 Comment
  UC168969  Collinsia torreyi var. latifolia Harley P. Chandler Jun 1901 1620 Siskiyou near Marble Mountain (North Coast Ranges, Upper Cottei Valley (=Cuddihy Valley)); North Coast Ranges, Upper Cottei Valley 2133 Comment
  JEPS80584  Collomia grandiflora Gilbert Muth 1965-7-29 137 Siskiyou meadow below Marble Rim; Marble Mt. Wilderness Area 1895 Comment
  UCD77566  Collomia grandiflora Robert E. Preston 2002-7-14 1939 Siskiyou Rainbow Mountain and Vicinity. Klamath National Forest, N slope of Rainbow Mountain. 1716 Comment
  HSC23557  Collomia tinctoria J. O. Sawyer 1969-9-12 2007 Siskiyou Hanging valley N of Wildcat Peak 2012 Comment
  UC1191642  Collomia tinctoria Herbert L. Mason 1948-7-18 13606 b Siskiyou Grass Lake Comment
  UC52433  Collomia tinctoria W. A. Setchell, C. C. Dobie 1902-7-21 Siskiyou 18th Cr. Sac. River, Sisson Comment
  UC52508  Collomia tinctoria Harley P. Chandler 1901-6-1 1634 Siskiyou ridges and meadows near Marble Mountain; North Coast Ranges 2133 Comment
  CAS-BOT-BC94909  Collomia tinctoria R. C. Wenk 2005-7-16 251 Siskiyou Trinity Alps, above S Fork of Salmon River, S end of Big Flat Meadow 1493 Comment
  CAS-BOT-BC230677  Collomia tracyi Doris K. Kildale 1928-7-2 5371 Siskiyou Salmon Summit, Horn Creek trail 1981 Comment
  RSA394806  Convolvulus arvensis Edwin Kline 1920-06 s.n. Siskiyou Siskiyou Mts. Comment
  UC336582  Corallorhiza maculata unknown July 1879 Siskiyou near Shasta 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
  HSC101188  Cordylanthus tenuis subsp. tenuis Barbara L. Wilson, Richard E. Brainerd 2010-8-9 16282 Siskiyou Shasta-Trinity National Forest; road A10 between town of Mount Shasta and Panther Meadow, on the mountain. 1345 Comment
  UC1561396  Cordylanthus tenuis subsp. tenuis Barbara Ertter 1987-7-26 7325 Siskiyou 2.2 mi n Scott Mt. summit (on Hwy 3, at road junction) 1371 Comment
  JEPS117854  Cordylanthus tenuis subsp. viscidus unknown 1976-8-18 Siskiyou Gravel pit north of Abram's Lake turnoff from I-5 1127 Comment
  CDA4036  Coronilla varia G. D. Barbe, T. C. Fuller 1972-6-13 943 Siskiyou Siskiyou Avenue exit from I-5 north of Dunsmuir; driveway to Dunsmuir Elementary School. 0 Comment
  UC1419839  Coronilla varia T. C. Fuller, G. D. Barbe 1972-6-13 943 Siskiyou Siskiyou Avenue exit from Interstate 5 north of Dunsmuir (driveway to Dunsmuir Elementary School); driveway to Dunsmuir Elementary School Comment
  UC144303  Corylus californica A. A. Heller 1905-6-5 7971 Siskiyou between Shasta Retreat and Shasta Springs Comment
  UC375259  Corylus californica Geo. D. Butler 1909-3-21 564 Siskiyou near Oro Fino Comment
  UCD110056  Corylus cornuta subsp. californica AT Leiser 1973-3-22 s.n. Siskiyou Dunsmuir. Comment
  RSA481446  Corylus cornuta var. californica M. B. Dunkle 1944-7-15 9098 Siskiyou Siskiyou National Forest. Comment
  HSC29224  Crepis acuminata Frederick W. Oettinger, R. F. Thorne 1969-8-6 1263 Siskiyou Marble Mtn. Wilderness Area, along trail NNE of Tom's and Hancock Lake Basin 2165 Comment
  CAS-BOT-BC290541  Crepis capillaris Alice Eastwood 1912-7-17 1176 Siskiyou Sisson Comment
  CDA4448  Crepis occidentalis T. C. Fuller 1958-6-19 1824 Siskiyou South of road to Montague, 1.5 miles east of Yreka. 0 Comment
  CAS-BOT-BC376485  Crepis occidentalis subsp. conjuncta Roxana S. Ferris; Laura Lorraine 1948-6-12 11712 Siskiyou Schoolhouse Hill, Plowmans Valley [Noyes Valley], e. fork of Scott River Comment
  HSC82285  Crepis occidentalis subsp. occidentalis Thomas W. Nelson, Jane P. Nelson 1979-6-15 4806 Siskiyou Along road to Carmen Lake, 0.6 mi. from junction with State Route. 1646 Comment
  UC581273  Crepis pleurocarpa G. L. Stebbins Jr. and J. A. Jenkins 1937-7-19 2437 Siskiyou on creek 1 mi below Stewart Springs; Park's Creek 1120 Comment
  CAS-BOT-BC299730  Crocidium Geo. D. Butler 1910-3-11 1122 Siskiyou Yreka hills 914 Comment
  UC166184  Crocidium multicaule Geo. D. Butler 1909-3-7 553 Siskiyou drylands near Yreka Comment
  HSC74821  Cryptantha affinis J. P. Smith, Jennifer Whipple 1978-7-2 9981 Siskiyou Trail from Cook and Green Pass to Copper Butte. 1768 Comment
  UC618853  Cryptantha affinis unknown 1938-7-15 11187 Siskiyou Bear Springs meadow Mount Shasta, Bear Springs 1524 Comment
  JEPS116598  Cryptantha ambigua Julie Kierstead Nelson with Rhonda Posey 2007-6-15 2007 -014 Siskiyou North side of Mt. Shasta, south of Hwy 97, along Forest Service Rd. 42N73 Weed (unburned area within Hotlum Fire perimeter burned in Feb 2006 4 miles NE of town of); Mt. Shasta 1127 Comment
  JEPS101142  Cryptantha intermedia Dean W. Taylor 1996-6-18 15724 Siskiyou Scott Mountains; bordering Shasta Valley, hillslopes about 4 miles south of Gazelle; Shasta-Trinity National Forests 1524 Comment
  POM213851  Cryptantha intermedia Isabelle C. Kimber 1934-6-9 27 Siskiyou Steelbridge Camp, Sacramento River just above confluence with Ney Creek. 732 Comment
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Feb 3 2011
  JEPS67621  Cryptantha intermedia Geo. D. Butler 1909-5-2 733 Siskiyou Huzby Hill Comment
  JEPS57184  Cryptantha sobolifera L. R. Heckard 1967-8-13 1690 Siskiyou s.-facing slope near summit Mt. Eddy 2712 Comment
  UC857280  Cryptantha torreyana John Thomas Howell 1937-7-29 13655 Siskiyou between Trinity and Siskiyou County; Scott Mountain Comment
  CAS-BOT-BC70479  Cryptogramma acrostichoides Doris K. Kildale 1929-7-20 8578 Siskiyou south east spur Preston Peak 1950 Comment
  CAS-BOT-BC70481  Cryptogramma acrostichoides Louis C. Wheeler 1934-8-2 3017 Siskiyou Klamath Forest, Alex Canyon 1889 Comment
  UC922418  Cryptogramma cascadensis Annie M. Alexander and Louise Kellogg 1949-7-22 5835 Siskiyou trail to Kings Castle Paradise Lake; Marble Mts 1920 Comment
  CAS-BOT-BC80543  Cupressus bakeri Oliver V. Matthews 1939-7-3 19 Siskiyou Sullivan Mine Grove; Cook and Green Region 1219 Comment
  CAS-BOT-BC85650  Cupressus bakeri Oliver V. Matthews 1939-7-18 38 Siskiyou Northeast Goose Nest Grove-Goose Nest Region 1828 Comment
  RSA22774  Cupressus bakeri O. V. Matthews 1939-7-3 19 Siskiyou Southwest of Sullivan Mine. Cook-Green Region, 3 miles south of Blue Ledge Mine 1220 Comment
  RSA22775  Cupressus bakeri O. V. Matthews 1939-7-3 21 Siskiyou Southwest of Sullivan Mine. Cook-Green Region, 3 miles south of Blue Ledge Mine 1220 Comment
  UCD77587  Cynoglossum officinale Robert E. Preston 2002-7-11 1898 Siskiyou Klamath National Forest, Trout Creek Meadow. 1505 Comment
  UC13537  Cypripedium californicum W. C. Blasdale July, 1899 1077 Siskiyou Siskiyou Mountains Comment
  UC1483490  Cypripedium californicum Maralyn A. Renner 1980-7-4 1416 Siskiyou Clear Creek Trail n Trout Camp; Klamath National Forest, Preston Peak Quad 1066 Comment
  JEPS52317  Cypripedium fasciculatum Wayne Roderick 1963-6-12 Siskiyou about 15 road mi n Seiad Valley (n slope on ridge to e of pass); Siskiyou Mountains, Cook and Green Pass 1524 Comment
  HSC19326  Cypripedium montanum J. O. Sawyer 1968-6-25 317 Siskiyou Along Horse Range Creek 1829 Comment
  RSA382008  Cypripedium montanum Robert Kessler 1921-6-19 s.n. Siskiyou Siskiyou. Comment
  UC13515  Cypripedium montanum F. P. McLean June, 1875 Siskiyou ravine Wicks Ranch Comment
  CAS-BOT-BC70705  Cystopteris fragilis L. B. Kildale 1930-6-1 9777 Siskiyou Black Bear Trail to Sawyers Bar Comment
  RSA692794  Cystopteris fragilis L. C. Wheeler 1934-7-5 2879 Siskiyou Deer creek, Serling Mountain Comment
  UCSB15125  Cystopteris fragilis 1962-6-11 Siskiyou About 20 miles west of Fort James; Marble Mountains 914 Comment
  CAS-BOT-BC189811  Dactylis glomerata Melissa A. Berry 1957-7-2 s.n. Siskiyou Fay Lane, Scott Valley. 822 Comment
  UC1025011  Danthonia californica Leo Whitney 1935-7-15 3482 Siskiyou 2 mi se Medicine Lake; Bullseye Lake Comment
  SEINET4566570  Danthonia californica E. Palmer 1892-1 2666 Siskiyou Near Mt. Shasta Comment
  CHSC61561  Danthonia californica var. americana L. P. Janeway 1983-8-26 595 B Siskiyou Siskiyou Mountains; at Poker Flat, in upper part of lower portion of meadow. 1524 Comment
  POM205938  Danthonia californica var. americana Copeland 1903-9-6 3789 Siskiyou Mt. Eddy Comment
  UC816903  Danthonia californica var. americana John Thomas Howell 1939-8-5 15076 Siskiyou Spirit Lake Marble Mts. 1828 Comment
  UC909356  Darlingtonia californica Ira L. Wiggins 1950-5-28 12370 Siskiyou small bog on one side of ridge above Grouse Creek (about 1.5 mi from Carmen Lake) 1584 Comment
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Jan 29 2013
  UCD119063  Darlingtonia californica Ray F. Evert 1957-9-2 s.n. Siskiyou Along U.S. Highway 99, south of Dunsmuir. Comment
  CAS-BOT-BC420659  Darmera peltata Alice Eastwood 1923-5-20 11860 Siskiyou Shasta Springs Comment
  CAS-BOT-BC141838  Dasiphora fruticosa Alice Eastwood 1912-8-30 2025 Siskiyou Summit, Mount Eddy Comment
  HSC76671  Dasiphora fruticosa K. T. Stillman 1976-7-22 285 Siskiyou Marble Mtn. Wilderness Area Comment
  HSC2241  Datisca glomerata Geo. D. Butler 1910-7-19 1723 Siskiyou Little Shasta Comment
  CDA36141  Datisca glomerata Jim Staggs 2011-11-15 PDR# 450 P06001782 Siskiyou Castle Crags State Park near Dunsmuir. 0 Comment
  CHSC57497  Delphinium andersonii Lyna R. Black 1990-4-11 4 Siskiyou Approx. 1/2 mi ne of Yreka. 883 Comment
  JEPS96881  Delphinium antoninum Dean W. Taylor 1999-6-10 17248 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
  CAS-BOT-BC8971  Delphinium depauperatum Elmer Ivan Applegate 1923-8-17 3840 Siskiyou Medicine Lake Comment
  POM149888  Delphinium nudicaule Geo. D. Butler 1910-5-7 1299 Siskiyou In thickets, dry hills near Yreka. Comment
  CAS-BOT-BC116154  Delphinium nuttallianum Alice Eastwood 1921-7-24 10744 Siskiyou Castle Lake Comment
  HSC78190  Delphinium nuttallianum L. P. Janeway 1983-7-10 405 Siskiyou Poker Flat 1524 Comment
  CAS-BOT-BC116159  Delphinium nuttallianum L. E. Smith 1913-4-23 S. N. Siskiyou Hornbrook Comment
  HSC69177  Deschampsia cespitosa Maralyn A. Renner 1980-8-6 2336 Siskiyou Cracker Meadow 1555 Comment
  HSC92285  Deschampsia cespitosa Jennifer Whipple 1976-7-24 1534 Siskiyou Dale Creek drainage on the N face of Mt. Eddy 2195 Comment
  CAS-BOT-BC192464  Deschampsia cespitosa subsp. cespitosa L. P. Janeway 1983-8-16 545 Siskiyou Siskiyou Mountains; at Poker Flat 1524 Comment
  CAS-BOT-BC192469  Deschampsia cespitosa subsp. cespitosa Geo. D. Butler 1910-7-7 1652 Siskiyou Shackleford Creek 914 Comment
  CHSC61564  Deschampsia cespitosa subsp. cespitosa L. P. Janeway 1983-8-16 545 Siskiyou Siskiyou Mountains; at Poker Flat, upper portion of a meadow. 1524 Comment
  RSA30673  Deschampsia danthonioides L. C. Wheeler 1934-6-22 2751 Siskiyou Cottonwood Creek; Siskiyou Mts. 915 Comment
  CAS-BOT-BC201935  Deschampsia elongata Geo. D. Butler 1910-7-7 1769 Siskiyou Shackleford Creek 1219 Comment
  RSA238402  Deschampsia elongata Frederick W. Oettinger, Robert F. Thorne 1969-8-5 1190 Siskiyou Northwest of English Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1951 Comment
  UCD63529  Deschampsia elongata Rimo Bacigalupi; Mr. and Mrs. Van Deventer of Fort Dick 1959-7-10 7298 Siskiyou Twin Valley, Siskiyou Mts., just east of Del Norte County line, about 4 miles NNE of Preston Peak; watershed of Indian Creek. 1493 Comment
  RSA59808  Descurainia pinnata subsp. filipes E. K. Balls 1950-5-17 14722 Siskiyou New Lava Flow, along road from Schonchin Butte to Capt. Jack s Stronghold, Lava Beds Nat l Monument. 1463 Comment
  CAS-BOT-BC43268  Descurainia pinnata subsp. glabra George Dexter Butler 1909-1-12 895 Siskiyou McAdams Creek. Comment
  RSA715489  Descurainia sophia L. Ahart, John Dittes 2005-6-9 12054 Siskiyou On the east side of a poor rock fence, about 350 yards E 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
  UC855985  Descurainia sophia A. A. Heller 1916-6-22 12524 Siskiyou near Sisson 1074 Comment
  HSC61206  Dicentra formosa Al Hobart 1967-8-8 Siskiyou El Capitan Comment
  CHSC9499  Dicentra pauciflora J. F. Goodwin 1971-7-3 144 Siskiyou Southeast side of Castle Lake, 0.5 mi. south on Lookout Trail on east side of trail. 9.2 mi. sw of Mt. Shasta City. 1706 Comment
  HSC59009  Dicentra pauciflora Marvin Butler 1971-7-16 141 Siskiyou Near El Capitan Lake, close to the town of Cave Junction Comment
  JEPS82680  Dicentra pauciflora Wayne Roderick 1984-6-7 Siskiyou Cabin Meadow s.w. Stewart Springs (camp site) 1798 Comment
  CAS-BOT-BC402547  Dicentra pauciflora Ira L. Wiggins 1950-5-28 12394 Siskiyou .3 mile west of Carmen Lake 1706 Comment
  HSC635  Dicentra pauciflora William J. Ferlatte 1967-6-29 574 Siskiyou Yellow Rose Mine 1982 Comment
  UC70383  Dichelostemma capitatum Milo S. Baker 1898-2-12 701 Siskiyou n slope Taylor Mt. Comment
  HSC82484  Dichelostemma congestum Thomas W. Nelson, Jane P. Nelson 1979-6-15 4799 Siskiyou Along road to Carmen Lake, 0.6 mi. from junction with State Route. 1646 Comment
  HSC71076  Dichelostemma ida-maia M. A. Baker 1980-6-20 2197 Siskiyou Near Bald Mtn. 1036 Comment
  UC1409326  Dichelostemma ida-maia Frederick W. Oettinger 1969-7-31 1119 Siskiyou just above Willow Springs (on trail between Abbott's Cabin and English Lake); Salmon Mountains, Marble Mountain Wilderness Area 1691 Comment
  SEINET10533978  Dichelostemma multiflorum A. Arthur Heller 1905-6-1 Heller 7942 Siskiyou Between Upper Soda Spring and Shasta Retreat. Comment
  SEINET3885606  Dichelostemma multiflorum Alv Dan Youngberg 1964-6-15 25 Siskiyou Growing on the forest floor along Elk Creek. Humbolt Meridian.; 0 427 Comment
  HSC5957  Dieteria canescens var. canescens D. M. Thomson 1965-8-21 202 Siskiyou California Lava Beds National Monument; 1/2 mi. N of Devil's Homestead Lava Flow Comment
  CAS-BOT-BC291017  Dieteria canescens var. shastensis R. H. Bohmannson 1926-7-1 s.n. Siskiyou Mt. Shasta Comment
  UC1332426  Dieteria canescens var. shastensis W. Bridge Cooke 1940-7-12 15336 Siskiyou along Memorial Highway; Mount Shasta Comment
  CAS-BOT-BC291005  Dieteria canescens var. shastensis R. E. Frenkel 1964-10-2 900 Siskiyou On Everitt Memorial Hwy., 1.7 miles north of McCloud River RR crossing, near Mount Shasta 1290 Comment
  CAS-BOT-BC131053  Dimeresia howellii Elmer I. Applegate 1935-6-10 9487 Siskiyou South cinder slope of Caldwell Butte, Lava [Brds] Beds National Monument Comment
  SEINET208779  Diplacus layneae Johnnie L. Gentry Jr., Earl Jensen Jr. 1968-1 2116 Siskiyou 5 mi N of Mt Shasta at Black Butte on old highway 1195 Comment
  CAS-BOT-BC153723  Diplacus nanus Roxana S. Ferris; Laura Lorraine 1948-6-12 11717 Siskiyou Schoolhouse Hill, Plowman's Valley [Noyes Valley], east fork of Scott River Comment
  UC163797  Disporum hookeri Geo. D. Butler 1909-5-30 787 Siskiyou Humbug Mountain Comment
  SEINET4904065 Image available Dodecatheon alpinum Unknown 1991-5-27 s.n. Siskiyou Klamath National Forest, Poker Flats. West Branch (2200 ft) a Forest Service Camp Ground or Poker Flats (5200 ft) a high mountain meadow. 671 Comment
  RSA461379  Dodecatheon hendersonii Anstruther Davidson 1920-01 s.n. Siskiyou [Unspecified] Comment
  HSC77071  Dodecatheon jeffreyi K. T. Stillman 1976-6-26 117 Siskiyou Marble Mountain Wilderness Area 1829 Comment
  UC1409475  Dodecatheon jeffreyi Frederick W. Oettinger 1969-7-17 1051 Siskiyou along inlet stream on sw side Upper English Lake (High Lake Basins in vicinity English Peak, Marble Mountain Wilderness Area, Salmon Mountains, Western Siskiyou County); Marble Mountain Wilderness Area, Salmon Mountains 1767 Comment
  JEPS60244  Downingia bacigalupii L. R. Heckard with L. Constance and R. Ornduff 1969-6-24 2306 Siskiyou ca 3 mi ne Little Deer Mt.--The Whaleback Quad. (1.2 mi from U.S. Highway 97, along road to Hoffman Mill) 1554 Comment
  CHSC71231  Downingia pulcherrima Vernon H. Oswald; Ken Beatty, Jay Thesken 1998-6-6 9171 Siskiyou Buckaroo Hole, Butte Valley National Grassland between Macdoel and Dorris. 1280 Comment
  OBI15089  Draba verna J. Applegarth 1970-4-11 s.n. Siskiyou 914 Comment
  UC375383  Drymocallis Geo. D. Butler 1908-8-5 348 Siskiyou summit above Cold Spring; Woolly Creek, summit above Cold Spring Comment
  HSC18924  Drymocallis hansenii J. O. Sawyer 1969-8-3 1779 Siskiyou Near Little Duck Lake 2073 Comment
  HSC18925  Drymocallis lactea var. lactea J. O. Sawyer 1969-8-2 1708 Siskiyou E facing slope W of Little Duck Lake 2317 Comment
  HSC69253  Drymocallis lactea var. lactea J. O. Sawyer, J. Cole 1980-7-20 3724 Siskiyou Near USFS Rd. 45N05 in center of section 1890 Comment
  CAS-BOT-BC158425  Drymocallis rhomboidea Elmer I. Applegate 1935-6-6 9357 Siskiyou Caldwell Butte, Lava Beds National Monument Comment
  HSC65313  Dysphania botrys J. P. Smith, Steve Selva 1970-7-16 4378 Siskiyou Along Klamath River, 2 mi. W of Seiad Creek 518 Comment
  UC197106  Echinochloa crus-galli Geo. D. Butler 1909-9-5 865 Siskiyou Yreka; Gardens Comment
  SEINET7583465 Image available Eleocharis acicularis Frederick W. Oettinger 1969-8-24 1518 Siskiyou Salmon Mountains, vicinity of English Peak Marble Moutain Wilderness Area, inlet to Upper English Lake. 1768 Comment
  CHSC88375  Eleocharis bella Jenny Marr 1993-7-1 181 Siskiyou Butte Valley Wildlife Area, +/- 7 air miles NW of the town of MacDoel. Meadow NW of Meiss Lake. 1349 Comment
  UC2026511  Eleocharis bella Louis C. Wheeler 1958-8-24 7428 Siskiyou Shasta Lake. 1/4 mi. west of mouth of Cove Creek. Comment
  RSA0037180  Eleocharis rostellata Lowell A. Ahart, John Dittes 2010-7-30 16946 Siskiyou About 5 yards south of the Shasta River, about 40 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
  SEINET10587561  Eleocharis rostellata Lowell Ahart, John Dittes 2005-6-10 Ahart 12097 Siskiyou T43N, R5W, northwest 1/4 Section 5. 30 yards east of the Shasta River, near the south fence, 100 yards south of the pump house along the Shasta River, about 1.9 miles (air) south of Highway 99/97 Cutoff, about 6 miles (air) east-southeast of Grenada. 777 Comment
  UCD49862  Eleocharis suksdorfiana Robert E. Preston 2001-7-21 1748 Siskiyou Klamath National Forest, north slope of Rainbow Mountain. 2066 Comment
  JEPS117632  Elodea canadensis Lowell Ahart, John Dittes 2010-7-30 16964 Siskiyou In the Shasta River, about 30 yards northwest of the East Louie Road Bridge, Shasta Big Springs Ranch, 1.6 miles (air) southwest of Big Springs Lake, 4.6 miles (air) northwest of Dwinnel Dam, 5.7 miles (air) southeast of Grenada 716 Comment
  HSC22087  Elymus X hansenii J. O. Sawyer 1968-7-9 420 Siskiyou Ridge between Sugar Creek and Duck Lake Creek drainages 2195 Comment
  POM359908  Elymus X hansenii M. B. Dunkle 1945-7-24 9267 Siskiyou Klamath National Forest, Marble Mts. Comment
  UCD62811  Elymus X hansenii Mr. Roseman 1913-1 42 Siskiyou Butte Valley. Comment
  HSC100300  Elymus caput-medusae J. P. Smith, & J. O. Sawyer 2011-6-25 13259 Siskiyou At the junction of Hwy. 3 and Callahan - Gazelle Road. 834 Comment
  HSC64370  Elymus caput-medusae Don Bateman 1980-6-19 Siskiyou 930 Comment
  UCD64284  Elymus cinereus August L. Hormay 1932-7-15 Siskiyou Weed Valley. Comment
  CAS-BOT-BC227912  Elymus elymoides Louis C. Wheeler 1934-8-6 3057 Siskiyou Klamath National Forest. Rock Gulch 1828 Comment
  SEINET10564673  Elymus elymoides A. Arthur Heller 1905-6-19 Heller 8071 Siskiyou Grenada Station. Comment
  UC1265446  Elymus elymoides subsp. elymoides Frederick W. Oettinger 1967-8-18 283 Siskiyou at junction of trail to English Peak and trail to Uncle's Lake (w Siskiyou Co., high lake basins in vicinity of English Peak); Salmon Mountains, Marble Mountain Wilderness Area 2164 Comment
  HSC21980  Elymus elymoides var. elymoides J. O. Sawyer 1969-7-25 1546 Siskiyou West of High Lake 2256 Comment
  HSC76951  Elymus elymoides var. elymoides K. T. Stillman 1976-7-23 304 Siskiyou Marble Mtn. Wilderness Area 2012 Comment
  HSC77089  Elymus glaucus K. T. Stillman 1976-7-30 333 Siskiyou Marble Mtn. Wilderness Area, Elk Valley. Comment
  UC593548  Elymus glaucus E. B. Babcock and G. L. Stebbins Jr. 1936-6-11 1895 Siskiyou flat about 2 mi s Yreka 810 Comment
  CAS-BOT-BC206608  Elymus glaucus subsp. glaucus Doris K. Kildale 1929-8-24 9010 Siskiyou Rattlesnake Meadow, Preston Peak 1676 Comment
  HSC58856  Elymus lanceolatus subsp. lanceolatus Marvin Butler 1971-1 265 Siskiyou Near Youngs Valley, close to the town of Cave Junction. 1403 Comment
  CAS-BOT-BC235225  Elymus multisetus Geo. D. Butler 1910-5-26 1412 Siskiyou Yreka Comment
  CHSC6711  Elymus multisetus B. Anthony 1968-6-2 560 Siskiyou 4 miles N. of Fort Jones. Comment
  JEPS70717  Elymus multisetus Geo. D. Butler 1909-5-25 823 Siskiyou near Yreka Comment
  UC196945  Elymus multisetus Geo. D. Butler 1910-5-26 1424 Siskiyou Yreka Comment
  CAS-BOT-BC213811  Elymus repens Peter H. Raven 1956-9-5 10446 Siskiyou North Fork of Sacramento River 2194 Comment
  RSA783702  Elymus riparius Barbara L. Wilson, Richard Brainerd 2010-8-4 16208 Siskiyou Forest Service road 41N26, the Eddy Creek Road, 2.8 mi above junction with Old Stagecoach Road (study site 11). 1280 Comment
  UCD62613  Elymus stebbinsii subsp. septentrionalis A. A. Beetle; G. L. Stebbins Jr. 1942-5-31 3406 Siskiyou Canyon N of Willow Creek, 5 miles W of Gazelle. Comment
  RSA237399  Epilobium anagallidifolium Frederick W. Oettinger 1969-9-2 1595 -b 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
  UC1408899  Epilobium anagallidifolium Frederick W. Oettinger 1969-9-2 1595 b Siskiyou meadow on n side of peak Salmon Mountains, Marble Mountain Wilderness Area, English P 2164 Comment
  RSA105333  Epilobium angustifolium subsp. circumvagum Douglas Barbe 1955-7-5 105 Siskiyou 5 miles north of Etna on Greenview Road; east side of road 884 Comment
  RSA68920  Epilobium angustifolium var. intermedium A. E. Culbertson 1943-8-1 37 Siskiyou Castle Lake. 14 miles s.w. of Mt. Shasta on n side of a 6600 eastern spur of Trinity Mts.; 2000 above Sacramento R. within 10 air miles at its headwaters to the west. 1657 Comment
  UC1408902  Epilobium brachycarpum Frederick W. Oettinger 1969-8-18 1429 Siskiyou Horse Range Lake Salmon Mountains, Marble Mountain Wilderness Area (w Siskiyou Co.) 1790 Comment
  UC618798  Epilobium ciliatum Philip Munz 1938-8-19 11530 Siskiyou Mt. Shasta, Bear Spring Comment
  UC422939  Epilobium ciliatum subsp. ciliatum H. W. Furlong Sept. 1901 Siskiyou Summit to Ager Comment
  POM192604  Epilobium ciliatum subsp. glandulosum Milo S. Baker 1897-08 141 Siskiyou Payne s Springs Comment
  POM251088  Epilobium hornemannii subsp. hornemannii W. Bridge Cooke 1938-8-18 11479 Siskiyou Mt. Shasta. 2439 Comment
  CHSC118636  Epilobium minutum Julie Kierstead Nelson; Martin Lenz, Rhonda Posey, Brenna Montagne 2016-6-9 2016 -017 Siskiyou Lower Parks Creek watershed, E Klamath Range, along Forest Service Road 42N19, 3 miles northwest of Stewart Springs. UTM NAD 83 Zone 10, 539249m E, 4586866m N. 1478 Comment
  RSA755537  Epilobium minutum Barbara Ertter 1990-7-14 9336 Siskiyou Wagon Creek on east side of Mt. Eddy, ca. 4 air miles west of Mt. Shasta City 1829 Comment
  JEPS39223  Epilobium siskiyouense Geo. D. Butler 1908-8-5 46 Siskiyou summit above Cold Spring; Woolly Creek Comment
  SBBG25828  Equisetum arvense D. Myrick 1966-8-11 1539 Siskiyou Mountain Meadow Ranch, Big Flat 1524 Comment
  HSC34223  Equisetum laevigatum J. P. Smith 1974-5-25 7406 Siskiyou Along Rd. 8, 0.9 mi. from its junction with Hwy. 3 976 Comment
  CAS-BOT-BC204538  Eragrostis curvula William Ferlatte 1989-11-8 s.n. Siskiyou Southbound I-5 at Grenada off-ramp, 0.4 mile north of Grenada Comment
  UC197186  Eragrostis hypnoides Geo. D. Butler 1910-8-13 1836 Siskiyou Oro Fino Comment
  HSC59934  Eremogone congesta D. L. Goforth 1979-7-19 251 Siskiyou Trinity Alps Wild Area, Caribou Lakes Basin 2134 Comment
  CAS-BOT-BC174227  Eremogone congesta var. congesta C. L. Hitchcock; J. S. Martin 1939-7-9 5324 Siskiyou 1/2 mile southeast of King's Castle, Marble Mts. 1828 Comment
  CAS-BOT-BC168846  Eremogone congesta var. congesta Milo S. Baker 1926-8-8 242 -26 Siskiyou Between Red Mt. and Granite Peak 2194 Comment
  CHSC36187  Eriastrum signatum K. Bridwell 1978-7-5 166 A Siskiyou Ca. 15 mi se of Macdoel, at base of Coyote Ridge. 1341 Comment
  CDA4624  Ericameria bloomeri Eldon Paddock, A. Gilbert 1979-8-28 Siskiyou Snowmans Summit, Highway 89 south of Mount Shasta, Siskiyou County. Comment
  UC1034045  Ericameria bloomeri W. B. Cooke 1941-8-21 16215 Siskiyou on the n side Diller Canyon (at timberline on the w side of Shastina); Mt. Shasta, Shastina, Diller Canyon 2438 Comment
  UC166600  Ericameria bloomeri Geo. D. Butler 1910-8-7 1823 Siskiyou Humbug Mountain 1219 Comment
  UC216908  Ericameria bloomeri H. M. Hall 1919-10-2 Siskiyou between Weed and Sisson Comment
  SEINET7846069 Image available Ericameria bloomeri M. J. Williams 1985-8-14 85- 69 -1 Siskiyou SE side of Medicine Lake 2286 Comment
  CAS-BOT-BC287494  Ericameria greenei Louis C. Wheeler 1934-9-2 3238 Siskiyou Klamath Forest 1828 Comment
  SD76145  Ericameria nauseosa var. speciosa Helen V. Witham 1969-10-4 452 Siskiyou Black Butte Summit, 4I(c) miles south of Weed. 1000 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
  RSA201803  Erigeron aliceae J. M. Tucker, L. K. Mann, S. L. Holloway 1963-8-18 3748 Siskiyou Upper Canyon Creek ca. 1/2 mile NE of the Marble Valley Guard Station, Marble Mountain Wilderness Area. 1921 Comment
  HSC75806  Erigeron bloomeri var. bloomeri J. P. Smith, Thomas W. Nelson 1979-6-15 10122 Siskiyou Klamath National Forest, road to Carmen Lake, 0.6 mi. from its junction with Hwy. 3 1646 Comment
  RSA238777  Erigeron cervinus Frederick W. Oettinger 1968-8-23 608 Siskiyou On 'Shasta Ridge' where vernal snow melt waters flow over this face, SE of Diamond Lake. Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2073 Comment
  HSC76670  Erigeron compositus K. T. Stillman 1976-7-22 286 Siskiyou Marble Mtn. Wilderness Area Comment
  CAS-BOT-BC297182  Erigeron concinnus var. concinnus L. E. Smith 1914-5-21 703 Siskiyou Montagne Comment
  CHSC93538  Erigeron divergens Lowell Ahart; John Dittes 2005-6-10 12080 Siskiyou South edge of irrigated pasture, about 80 yards northeast of the pump house along the Shasta River, about 1.9 miles (air) south of Highway 99/97 Cutoff, about 6 miles (air) east-southeast of Grenada. 776 Comment
  UC725404  Erigeron elegantulus A. A. Heller 1938-7-13 15273 Siskiyou just s Bray 1402 Comment
  JEPS94678  Erigeron filifolius Vernon H. Oswald and Lowell Ahart 1998-7-21 9313 Siskiyou on w side of Hwy 97 2.2 mi ne Lake Shastina-Big Springs Rd. (ne of Weed); Shasta NF plantation 975 Comment
  CAS-BOT-BC300472  Erigeron filifolius Edwin B. Copeland 1903-9-8 s.n. Siskiyou Foot of Mt. Eddy 1219 Comment
  HSC67699  Erigeron foliosus var. confinis Maralyn A. Renner 1980-8-8 2470 Siskiyou Klamath National Forest, near trail, ~0.5 mi. down from Rattlesnake Meadow 1555 Comment
  CLARK-A1528-7791  Erigeron foliosus var. hartwegii John C. Roos 1948-9-1 3950 Siskiyou Etna Comment
  SBBG25833  Erigeron inornatus D. Myrick 1966-8-13 1555 Siskiyou Mountain Meadow Ranch, Big Flat 1524 Comment
  CAS-BOT-BC295805  Erigeron petrophilus var. viscidulus Louis C. Wheeler 1934-8-24 3219 Siskiyou Klamath National Forest. Trapper Cr. 1859 Comment
  UC179498  Erigeron petrophilus var. viscidulus A. A. Heller 1914-8-28 11737 Siskiyou e side Mt. Eddy 2499 Comment
  RSA0030732  Erigeron petrophilus var. viscidulus L. C. Wheeler 1934-8-14 3140 Siskiyou Siskiyou Mountains: Western end of White Mt. 1768 Comment
  RSA789814  Erigeron petrophilus var. viscidulus Rebecca Wenk 2005-7-20 351 Siskiyou National Forest Road 17, 1 mile down road to the north, heading towards Mt. Shasta Comment
  RSA153440  Erigeron strigosus Francia Chisaki, Helen Sharsmith 1960-8-20 4739 Siskiyou On Wildcat Canyon Road ca. 4 miles west of Callahan 1067 Comment
  CAS-BOT-BC224136  Eriodictyon californicum Doris K. Kildale; J. W. Gillespie 1929-6-25 8355 Siskiyou Klamath River, 6 miles north of Hornbrook 609 Comment
  JEPS23  Eriodictyon californicum W. L. Jepson 1940-6-22 19975 Siskiyou Shasta River near Hawkinsville 792 Comment
  UC1211908  Eriodictyon californicum Roy L. Taylor 1960-6-12 4447 Siskiyou 1 mi w of jtn of Hwy 96 (Klamath River Rd.) and Hwy 99 n Yreka (above Klamath River); above Klamath River Comment
  UCD99665  Eriogonum alpinum A. H. Murphy 1959-7-23 59 X Siskiyou Shasta National Forest. Between North and Middle fork of Sacramento River. 2286 Comment
  HSC44726  Eriogonum compositum J. O. Sawyer, E. Cope 1977-6-18 2903 Siskiyou Along Clear Creek trail below Ten Mile Creek 457 Comment
  CHSC36178  Eriogonum compositum var. compositum K. Bridwell; M. Hayes 1978-4-14 79 Siskiyou Along Klamath River, n side of Hwy 96, ca. 0.5 mi w of intersection of Hwy 96 and Hwy 99. 670 Comment
  HSC24104  Eriogonum compositum var. compositum J. O. Sawyer 1970-7-15 2352 Siskiyou Above Bear Lake 1585 Comment
  JEPS57046  Eriogonum compositum var. compositum Geo. D. Butler 1908-8-6 201 Siskiyou Whiskey Camp Marble Mt. region, Independence Creek 1676 Comment
  HSC30409  Eriogonum compositum var. compositum Frederick W. Oettinger 1968-8-23 614 Siskiyou Marble Mtn. Wilderness area, Diamond Lake spillway on way to English Lake 2058 Comment
  RSA237751  Eriogonum compositum var. compositum Frederick W. Oettinger 1968-9-6 748 Siskiyou Ridge trail east of Tom's Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2104 Comment
  RSA236432  Eriogonum diclinum D. V. Hemphill 2100 Siskiyou Salmon Mountains: high lake basins in the vicinity of English Peak, Marble Mountain Wilderness Area; Spur ridge off of Hell Hole Ridge between Lake Ethel and Big Meadows. 1860 Comment
  SDSU6526  Eriogonum elatum D. F. Howe 1965-8-8 4124 Siskiyou South side of Little Grayback, Klamath National Forest. 1524 Comment
  UC375311  Eriogonum elatum Geo. D. Butler 1908-8-4 210 Siskiyou head of Shackleford Creek Shackleford Creek Comment
  CAS-BOT-BC255726  Eriogonum elatum var. elatum John Thomas Howell 1937-7-21 13154 Siskiyou South Fork of Salmon River near Big Flat 1524 Comment
  CAS-BOT-BC255731  Eriogonum elatum var. elatum Edward Lee 1934-8-14 1096 Siskiyou Near summit of Little Grayback 1828 Comment
  JEPS83657  Eriogonum elatum var. elatum R. Raiche 1987-7-27 70532 Siskiyou near Del Norte Co. line (just s of Oregon border; Little Grayback Ridge); Little Grayback Ridge 1676 Comment
  RSA215624  Eriogonum elatum var. elatum Gilbert Muth 1969-8-7 1244 Siskiyou Boulder Peak Ridge. 2470 Comment
  CAS-BOT-BC255762  Eriogonum elatum var. villosum John Thomas Howell 1939-8-2 14885 Siskiyou Spirit Lake, Marble Mts. 1828 Comment
  CAS-BOT-BC261214  Eriogonum hirtellum James L. Reveal; Mark L. Reveal 1975-8-15 3958 Siskiyou Along the Baldy Mountain Lookout Road south of the South Fork of Indian Creek (Forest Service Road 17N23), 0.8 mile south of Bear Gulch crossing and about 4.3 miles north of Baldy Mountain Lookout, Siskiyou Mountains, Klamath National Forest Comment
  CAS-BOT-BC261219  Eriogonum hirtellum Freed W. Hoffman 1948-7-8 2597 Siskiyou North of West Branch Camp, Waldo-Happy Camp Road Comment
  CAS-BOT-BC259364  Eriogonum lobbii Clare B. Hardham 1965-8-20 13033 Siskiyou Marble Mountains, Cudahy Lakes Comment
  HSC59935  Eriogonum lobbii D. L. Goforth 1979-7-19 259 Siskiyou Trinity Alps Wild Area, Caribou Lakes Basin 2104 Comment
  CAS-BOT-BC263660  Eriogonum luteolum var. luteolum Geo. D. Butler 1908-8-30 199 Siskiyou Light Hill Road near Fort Jones Comment
  RSA393650  Eriogonum marifolium George B. Grant 1902-9-7 5091 Siskiyou Mt. Shasta 2439 Comment
  CAS-BOT-BC263183  Eriogonum marifolium var. cupulatum Mrs. H. C. Cantelow 1939-6-10 s.n. Siskiyou McCloud 991 Comment
  POM316726  Eriogonum microtheca var. laxiflorum Patricia Wilder 1965-9-29 4194 Siskiyou Lava Beds National Monument; on path leading to top of Schonchin Butte. Tule Lake drainage area. 1494 Comment
  HSC75193  Eriogonum nudum var. nudum K. T. Stillman 1976-8-7 358 Siskiyou Marble Mountain Wilderness Area Comment
  SEINET7064424  Eriogonum nudum var. nudum A. G. Vestal 1963-6-8 s.n. Siskiyou Very weedy field south of Yreka and north of Grenada on the Montague-Grenada Road. (NAD83/WGS84). UTM 10, 539777mE, 4612156mN. 229 Comment
  UC164231  Eriogonum nudum var. oblongifolium Geo. D. Butler 1910-7-3 1628 Siskiyou Goosenest foothills 1219 Comment
  SD22707  Eriogonum nudum var. oblongifolium Susan G. Stokes none given Siskiyou Lava Butte Comment
  CAS-BOT-BC272476  Eriogonum nudum var. pubiflorum Doris K. Kildale 1929-6-25 8358 Siskiyou 6 miles north of Klamath River at Hornbrook 609 Comment
  HSC67836  Eriogonum nudum var. pubiflorum J. O. Sawyer, J. Cole 1980-7-22 3921 Siskiyou NW slopes of Cedar Mtn. 1524 Comment
  JEPS56649  Eriogonum nudum var. pubiflorum W. L. Jepson 1940-6-22 19978 Siskiyou near Hawkinsville; Shasta River 792 Comment
  RSA749252  Eriogonum nudum var. pubiflorum K. M. Meyer, A. Townesmith 2007-8-4 189 Siskiyou Klamath National Forest, 0.6 mi. on right fork, 6 mi. on Rd. 7J001 out of Yreka, CA (road past the water tower). 1286 Comment
  SEINET3160017  Eriogonum nudum var. pubiflorum G. D. Butler 1910-6-26 1605 Siskiyou near Yreka Comment
  UC61057  Eriogonum nudum var. pubiflorum W. A. Setchell, C. C. Dobie 1902-7-14 Siskiyou Sisson Mount Shasta, Sisson Comment
  SD88377  Eriogonum nudum var. pubiflorum Darley F. Howe 1972-7-8 Siskiyou 3 miles north of Weed on #97 1036 Comment
  JEPS81652  Eriogonum ovalifolium var. purpureum L. R. Heckard with L. Constance and R. Ornduff 1969-6-24 2307 Siskiyou along road to Hoffman Mill 1.2 mi from U.S. 97 ((about 3 mi ne of Little Deer-The Whaleback Quad.)) 1569 Comment
  UC519883  Eriogonum pyrolifolium L. Ellison 1928-9-11 Siskiyou Mt. Shasta 2743 Comment
  CAS-BOT-BC268576  Eriogonum siskiyouense John Thomas Howell 1937-7-29 13628 Siskiyou Scott Mt. between Trinity and Siskiyou cos. Comment
  RSA17458  Eriogonum sphaerocephalum Elmer I. Applegate 1935-6-5 9339 Siskiyou Capt. Jack's Stronghold, Lava Beds National Monument Comment
  CAS-BOT-BC263394  Eriogonum strictum var. proliferum Copeland 1903-9-7 3873 Siskiyou Mt. Eddy Comment
  HSC43450  Eriogonum strictum var. proliferum Jennifer Whipple 1976-8-20 1718 Siskiyou SE slope of Mt. Eddy draining into the N Fork of Sacramento River 2256 Comment
  HSC43451  Eriogonum strictum var. proliferum Jennifer Whipple 1976-7-24 1551 Siskiyou Mt. Eddy, SW of Dobkins Lake 2256 Comment
  CAS-BOT-BC263399  Eriogonum strictum var. proliferum John Thomas Howell 1937-7-29 13676 Siskiyou North slope of Scott Mts. 1676 Comment
  JEPS56463  Eriogonum strictum var. proliferum Geo. D. Butler 1909-6-19 970 Siskiyou Stones Hill Yreka Comment
  HSC71010  Eriogonum ternatum S. A. Harris 1981-7-31 606 Siskiyou Steep gravel slope 1402 Comment
  CAS-BOT-BC267943  Eriogonum umbellatum Alice Eastwood 1921-7-28 10884 b Siskiyou Medicine Lake Comment
  CAS-BOT-BC267953  Eriogonum umbellatum Isabelle C. Kimber 1934-6-9 25 Siskiyou Steelbridge Camp, Sacramento River just above confluence with Ney Creek 731 Comment
  UC718151  Eriogonum umbellatum var. argus Carl B. Wolf 1934-7-5 5966 Siskiyou 3.6 mi on road to Horse Creek Dry Lake Lookout; Siskiyou Mts. 1981 Comment
  CAS-BOT-BC509287  Eriogonum umbellatum var. goodmanii Dana York 2011-8-13 3065 Siskiyou Klamath National Forest, Marble Mountain Wildernesss, summit of Black Marble Mountain 2268 Comment
  CAS-BOT-BC268143  Eriogonum umbellatum var. goodmanii E. K. Balls 1949-7-9 13945 Siskiyou Rd. from Etna to Sawyer's Bar. Summit of pass over Salmon Mts. 1478 Comment
  CAS-BOT-BC268153  Eriogonum umbellatum var. humistratum A. A. Heller 1918-7-16 13027 Siskiyou Mt. Eddy, west of Sisson 2651 Comment
  UC1755158  Eriogonum umbellatum var. lautum Dean W. Taylor 2003-8-13 18683 Siskiyou ca. 1 mi S of Greenview, along Kidder Creek Road 0.5 mi W from the junction with Hwy 3, Scott Valley; Trinity Alps 987 Comment
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May 3 2007
  UC909327  Eriogonum umbellatum var. lautum Dorothy Parker 1948-8-2 161 Siskiyou 1 1/2 mi from Etna (along Etna Creek); Scott Valley, Etna Creek 896 Comment
  HSC17369  Eriogonum umbellatum var. modocense D. M. Thomson 1965-6-19 87 Siskiyou Lava Beds National Monument, Captain Jacks Stronghold Comment
  CAS-BOT-BC94539  Eriogonum umbellatum var. nelsoniorum R. C. Wenk 2006-7-23 530 Siskiyou Trinity Alps, Coffee Creek Road, Big Flat Meadow. Allong Yellow Rose Mine trail to Dorleska Mine. Growing on barren 2042 Comment
  CAS-BOT-BC265196  Eriogonum umbellatum var. nevadense Noel H. Holmgren; James L. Reveal 1966-6-9 2675 Siskiyou Shasta River Canyon, US 99, 5 miles north of Yreka, Siskiyou Mountains 853 Comment
  UC375310  Eriogonum umbellatum var. nevadense Geo. D. Butler 1908-8-5 204 Siskiyou summit above Cold Spring; Woolly Creek Comment
  NY803664  Eriogonum ursinum var. erubescens J. L. Reveal 2002-8-5 8371 Siskiyou Scott Bar Mountains, N and W slope and ridge of Deadwood Baldy Peak, Klamath National Forest. 1675 Comment
  HSC91336  Eriophorum crinigerum Jennifer Whipple 1977-7-21 2018 Siskiyou Near Durney Lake 2073 Comment
  RSA185511  Eriophorum crinigerum E. B. Copeland 1903-8-18 3902 Siskiyou Mount Eddy 1677 Comment
  SEINET10750622  Eriophorum crinigerum Andrew Townesmith, Karen M. Meyer 2007-8-1 Townesmith 883 Siskiyou Shasta-Trinity National Forest. 11.7 miles up Stewart Springs road/Forest Service road 17 (distance from intersection of Stewart Springs and Old 99 Highway). T41N R6W near sections 28 and 33. 1983 Comment
  SEINET8850152 Image available Eriophorum gracile H. E. Brown 1897-7-15 628 Siskiyou South side of Mt. Shasta 1524 Comment
  SEINET7073526  Eriophyllum lanatum A. G. Vestal 1963-6-3 s.n. Siskiyou Lava boulders south of Gazelle. UTM Zone 10, 544048mN, 4590451mN. Coordinate datum: NAD27. Comment
  POM302176  Eriophyllum lanatum Ynez Whilton Winblad 1941-6-20 s.n. Siskiyou Between Weed and Yreka Comment
  CAS-BOT-BC301114  Eriophyllum lanatum var. achilleoides A. A. Heller 1905-6-8 7992 Siskiyou Yreka Comment
  UC1034610  Eriophyllum lanatum var. achilleoides Douglas Barbe 1955-6-29 32 Siskiyou 2 mi e of Callahan (at Trinity Center Rd. junction); Klamath Mountains, Scott River 975 Comment
  UC507118  Eriophyllum lanatum var. achilleoides Lincoln Constance 1933-6-21 E 86 Siskiyou 1 mi s Weed Comment
  CAS-BOT-BC301119  Eriophyllum lanatum var. achilleoides L. Constance 1933-6-21 E 86 Siskiyou 1 mile south of Weed Comment
  CAS-BOT-BC301120  Eriophyllum lanatum var. achilleoides L. Constance 1933-6-21 E 84 Siskiyou 1 mile south of Hornbrook Comment
  CAS-BOT-BC301137  Eriophyllum lanatum var. achilleoides Lincoln Constance 1933-7-6 E 121 Siskiyou 8 miles north of Bray Comment
  CAS-BOT-BC301723  Eriophyllum lanatum var. lanceolatum Marion Ownbey; Fred G. Meyer 1940-7-4 2174 Siskiyou Siskiyou Mountains, north-west of Hornbrook Comment
  SJSU6503  Eriophyllum lanatum var. lanceolatum R. W. Trivelpiece 1972-6-18 125 Siskiyou Douglas Cr near Klamath R c. 9 mi SW of Happy Camp 807 Comment
  UC1299257  Eriophyllum lanatum var. lanceolatum Freed W. Hoffman 1950-7-11 3535 Siskiyou 8.4 mi n Klamath River (on Cedar Camp road, w Siskiyou County) 914 Comment
  UCR51758  Eriophyllum lanatum var. lanceolatum M. B. Dunkle 1944-6-25 9019 Siskiyou Siskiyou Mtns,, Beaver Creek. (Coastal Northern California). 1325 Comment
  RSA22176  Erysimum capitatum J. T. Howell 1937-7-29 13636 Siskiyou Scott Mountain between Trinity and Siskiyou counties Comment
  CAS-BOT-BC54587  Erysimum capitatum F. D. Douthitt 1919-5-17 12 Siskiyou Rattlesnake Ridge. 1066 Comment
  LA204335  Erysimum capitatum var. capitatum Ruth P. Rossbach; 1938-6-24 11073 Siskiyou Mount Shasta, vicinity of MacBride Springs 1523 Comment
  HSC19557  Erysimum perenne J. O. Sawyer 1969-6-2 1006 Siskiyou Summit above Albert Lake 2256 Comment
  HSC62450  Erysimum perenne Ruby Van Deventer 1939-7-18 Siskiyou Twin Valley 1524 Comment
  JEPS80560  Erysimum perenne Gilbert Muth 1965-8-6 182 Siskiyou trail on backside of mt Marble Mt. Wilderness Area, Black Mountain 1981 Comment
  RSA28186  Erythronium citrinum var. citrinum Elmer I. Applegate 1932-4-16 7061 Siskiyou Klamath River opposite the mouth of Doggett Creek Comment
  UC165734  Erythronium grandiflorum Geo. D. Butler 1910-7-9 1715 Siskiyou Marble Mt. 1828 Comment
  CAS-BOT-BC502724  Erythronium grandiflorum G. J. Muth 1969-8-8 1286 Siskiyou Gap Meadow, Boulder Peak Ridge 2286 Comment
  HSC78191  Erythronium grandiflorum subsp. grandiflorum L. P. Janeway 1983-7-3 378 Siskiyou Poker Flat 1524 Comment
  CAS-BOT-BC403683  Eschscholzia californica Elmer I. Applegate 1935-6-12 9523 Siskiyou South slope of Caldwell Butte, Lava Beds National Monument Comment
  CHSC99589  Eucephalus glabratus L. P. Janeway 2008-7-22 9449 Siskiyou Klamath Ranges. Between the Trinity Mountains, Castle Crags, and The Eddys; narrow ridge between Hart Lake and Little Castle Lake. 1871 Comment
  HSC27009  Eucephalus glabratus J. P. Smith, J. O. Sawyer 1972-9-12 5774 Siskiyou Scott Mtn., slopes E of Big Carmen Lake 1982 Comment
  SEINET5708609 Image available Eucephalus glabratus Lowell E. Urbatsch, Vesna Karaman, Castro 2000-1 7703 Siskiyou Scott Mts., Collected along Road 17, 12.7 miles SW from the intersection of I-5 and Stewart Spring Rd.; Scott Mountains 2036 Comment
  HSC22122  Eucephalus ledophyllus var. ledophyllus J. O. Sawyer 1969-8-18 1981 Siskiyou Above South Sugar Creek 2134 Comment
  HSC22125  Eucephalus ledophyllus var. ledophyllus J. O. Sawyer 1969-8-5 1934 Siskiyou N of S Sugar Lake 1890 Comment
  HSC41525  Euphorbia marginata Linda M. Barker 1976-9-6 1698 Siskiyou Scott Valley, in flood plain near the dredge. 945 Comment
  UCD98904  Fallopia japonica T. C. Fuller 1969-9-10 18887 Siskiyou 9055 Soquel Dr., also seen on freeway back of 9018 Soquel Dr., Rio Del Mar dist. E. of Aptos. Comment
  UCD98905  Fallopia japonica T. C. Fuller 1969-9-10 18887 Siskiyou 9055 Soquel Dr., also seen on freeway back of 9018 Soquel Dr., Rio Del Mar dist. E. of Aptos. Comment
  CAS-BOT-BC94540  Festuca californica R. C. Wenk 2006-7-24 531 Siskiyou Scott Mountains, border between Trinity and Siskiyou Counties, forest near the Pacific Crest Trail, 1/2 km E of Hwy 3 1700 Comment
  HSC100206  Festuca californica J. P. Smith, , J. O. Sawyer, & R. J. Cole 2011-5-22 13181 Siskiyou Matthews Campground on the Cecilville to Forks of Salmon Road. 640 Comment
  HSC82258  Festuca californica Thomas W. Nelson, Jane P. Nelson 1980-7-20 6173 Siskiyou Above and to SE of Big Carmen Lake 1738 Comment
  HSC42966  Festuca idahoensis J. O. Sawyer, K. T. Stillman 1976-5-29 2752 Siskiyou Along Specimen Creek. 884 Comment
  RSA582088  Festuca idahoensis L. C. Wheeler 1934-6-7 2658 Siskiyou North Hungry Creek. 1220 Comment
  SBBG575  Festuca microstachys var. microstachys J. M. Tucker 1947-5-17 1557 Siskiyou ca. 5 mi SE of Callahan on rd to Scott Mtn Comment
  CAS-BOT-BC278876  Festuca occidentalis Alice Eastwood 1923-5-27 11951 Siskiyou Shasta Springs, on road to McCloud Comment
  JEPS121760  Festuca occidentalis B. Castro and L. P. Janeway 2007-7-29 1671 Siskiyou High Cascade Range. Medicine Lake Highlands; Pumice Stone Mountain, at base of the N-facing slope. Ca 150 ft up old Rd43N39 (now closed) from jcn with its A spur, in the old road-bed on semi-shaded red fir forest floor. Comment
  UCD66131  Festuca occidentalis A. A. Beetle; G. L. Stebbins Jr. 1942-5-31 3614 Siskiyou 5 miles NE of Happy Camp above Klamath River. Comment
  UC197192  Festuca roemeri Geo. D. Butler 1909-6-22 841 Siskiyou Goosenest foothills Comment
  CAS-BOT-BC55700  Frangula rubra subsp. modocensis John Thomas Howell 1934-7-4 12402 Siskiyou Se. corner of Siskiyou Co. Comment
  CAS-BOT-BC376592  Fraxinus dipetala Andrew Townesmith; Karen M. Meyer 2007-8-3 894 Siskiyou Klamath National Forest, Oak Knoll Ranger District. Along state route 96, 5.2 miles west of National Forest boundary. Vicinity of Cayuse Day Use Area 576 Comment
  CAS-BOT-BC223578  Fraxinus latifolia Lewis S. Rose 1945-6-18 45073 Siskiyou Horse Creek & Klamath River 502 Comment
  CAS-BOT-BC223584  Fraxinus latifolia Wm. Bridge Cooke 1940-6-20 15174 Siskiyou On the banks of the Klamath River below Hornbrook Comment
  UC166185  Fraxinus latifolia Geo. D. Butler Jul 15 1908-Jan 1 1909 1076 Siskiyou near Yreka Comment
  HSC36928  Fritillaria atropurpurea J. P. Smith 1974-5-26 7558 Siskiyou Along FS Rd. 47N03 1524 Comment
  SEINET3886631  Fritillaria pudica James P. Smith 1974-5-26 7581 Siskiyou Copco Quad. Along Forest Service road 47N03, 1/4 mile northeast of Chandler Glade.; 0 1768 Comment
  POM367777  Galium aparine M. B. Dunkle 1944-6-25 9016 Siskiyou Siskiyou National Forest. 1677 Comment
  RSA612594  Galium aparine Louis C. Wheeler 1935-6-13 3580 Siskiyou Shackleford Creek. Marble Mtns. 976 Comment
  RSA105358  Galium bifolium G. D. Barbe 1955-7-17 210 Siskiyou 1 mile. S of Toomes Camp on the country road. West slope. 1890 Comment
  SEINET12285342  Galium bifolium H. P. Chandler 1901-1 1645 Siskiyou Marble Mountain, North Coast Ranges 2438 Comment
  RSA240094  Galium bolanderi Frederick W. Oettinger 1969-8-22 1486 Siskiyou Along trail entering Horse Range Lake Basin. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1768 Comment
  SBBG18757  Galium bolanderi C. B. Hardham 1961-7-2 8051 Siskiyou Scott River near Mill Crk 1219 Comment
  HSC69163  Galium glabrescens Maralyn A. Renner 1980-8-8 2469 Siskiyou Klamath National Forest, near trail, ~0.5 mi. down from Rattlesnake Meadow 1555 Comment
  SD211695  Galium glabrescens Barbara Ertter 1990-7-14 9329 Siskiyou Wagon Creek on east side of Mt. Eddy, ca. 4.0 airmiles west of Mt. Shasta City. 1890 Comment
  HSC81666  Galium glabrescens subsp. glabrescens Thomas W. Nelson, Jane P. Nelson 1980-7-17 6076 Siskiyou Along FS Rd. 17, 1 mi. N of summit at county line 2073 Comment
  UC888955  Galium glabrescens subsp. glabrescens Alice Eastwood 1912-7-23 1331 Siskiyou Cantara Comment
  CHSC91385  Galium parisiense Lowell Ahart; John Dittes 2005-6-10 12116 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
  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
  SBBG18747  Galium serpenticum C. B. Hardham 1961-7-3 8115 Siskiyou Scott River, SW of Calahan Comment
  HSC35796  Galium triflorum J. O. Sawyer 1968-7-10 469 Siskiyou Floodplain of Sugar Creek near Sugar Lake. 1799 Comment
  RSA392397  Garrya fremontii Bonnie C. Templeton 1957-6-21 s.n. Siskiyou About ten miles north of Callahan. Comment
  LA97737  Gaultheria ovatifolia J. M. Tucker; D. V. Hemphill 1974-7-27 4301 Siskiyou S side of Monument Lake, Marble Mountain Wilderness Area 1798 Comment
  HSC16313  Gayophytum diffusum subsp. parviflorum D. M. Thomson 1965-6-19 97 Siskiyou Lava Beds National Monument, Merril Ice Cave by side of trail Comment
  POM258618  Gayophytum heterozygum W. Bridge Cooke 1940-7-5 15293 Siskiyou Mount Shasta: along the road between Wagon Camp and Bear Springs. 1524 Comment
  HSC78328  Gayophytum humile L. P. Janeway 1983-7-31 477 Siskiyou Poker Flat, upper portion of meadow. 1524 Comment
  JEPS97185  Gentiana calycosa Julie Kierstead Nelson with Maria Ulloa-Cruz 1995-8-22 95058 Siskiyou 1 1/2 mi W of The Eddys (on Parks Creek Road (Rd. 17); W slope of Parks Creek drainage); Shasta-Trinity National Forests, Mt. Shasta Ranger District 1737 Comment
  UC123657  Gentiana calycosa Milo S. Baker 1893-6 Siskiyou near bank McCloud R. Comment
  HSC29222  Gentiana calycosa Frederick W. Oettinger 1969-8-1 1132 Siskiyou Marble Mtn. Wilderness Area, SE side of Wire Grass Meadow and bordering on English Lake outlet brook. 1677 Comment
  HSC60905  Gentiana calycosa Al Hobart Siskiyou Black Butte Comment
  UC1495353  Gentianopsis simplex Robert T. Clausen and Harold Trapido 1940-7-26 4954 Siskiyou s. side Mt. Shasta (Wagon Camp); Southern Cascade Mts., , Wagon Camp 1737 Comment
  CAS-BOT-BC459351  Geum aleppicum L. E. Smith 1913-7-27 506 Siskiyou Mc Cloud Comment
  UC60893  Geum macrophyllum W. A. Setchell, C. C. Dobie 1902-7-17 Siskiyou Mount Shasta, Sisson Sisson; Mount Shasta, Sisson Comment
  JEPS60241  Geum triflorum L. R. Heckard with L. Constance and R. Ornduff 1969-6-24 2301 Siskiyou 0.8 mi s Bray junction (on U.S. Hwy 97, Murphy Wells); Murphy Wells 1493 Comment
  HSC44646  Githopsis specularioides Jennifer Whipple 1978-6-5 2333 Siskiyou Weston Gulch in Scott Valley. 854 Comment
  JEPS83579  Glyceria borealis Dean Wm. Taylor, Glenn L. Clifton, R. Doug Stone 1987-8-6 9243 Siskiyou Porcupine Lake 1304 Comment
  UCR143023  Glyceria borealis L. C. Wheeler 1934-6-26 2797 Siskiyou Siskiyou Mountains, Cottonwood Creek 838 Comment
  CAS-BOT-BC282718  Glyceria elata Wm. Bridge Cooke 1938-6-24 11083 Siskiyou MacBride Spring, Mount Shasta 1524 Comment
  HSC22139  Glyceria elata J. O. Sawyer 1968-7-10 494 Siskiyou 1768 Comment
  HSC26894  Glyceria elata J. P. Smith, J. O. Sawyer 1971-9-17 4788 Siskiyou On trail up to Little Duck lake 1829 Comment
  CHSC61576  Glyceria striata L. P. Janeway 1983-9-11 684 Siskiyou Siskiyou Mountains; at Poker Flat, in the middle of the lower part of the meadow. 1524 Comment
  CAS-BOT-BC302675  Gnaphalium palustre W. B. C. 1941-8-8 16144 Siskiyou Along the Wagon Camp road above Howard, Mt. Shasta Comment
  RSA237528  Gnaphalium thermale Frederick W. Oettinger 1969-8-19 1449 Siskiyou Ridge from Arrow Peak to King David Peak, English Lake Basin; High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1936 Comment
  UC1034055  Goodyera oblongifolia W. Bridge Cooke 1941-8-28 16231 Siskiyou Mount Shasta, along Squaw Valley Creek Squaw Valley Creek; Mount Shasta, Squaw Valley Creek 1524 Comment
  RSA607425  Gratiola ebracteata Louis C. Wheeler 1935-6-13 3570 Siskiyou Greenview, Scott Valley. 884 Comment
  HSC24600  Grayia spinosa R. C. Wunner 1965-6-13 158 Siskiyou Lava Beds National Monument, Petroglyph Section, S face 1220 Comment
  UC336046  Grindelia hirsutula unknown 1889-6-28 Siskiyou near Edgwood Comment
  UC87887  Grindelia hirsutula Mrs. K. Brandegee 1889-7-1 Siskiyou Hornbrook Comment
  RSA675180  Gutierrezia sarothrae F. R. Schallert 1953-8-10 2394 Siskiyou below Shasta Comment
  CAS-BOT-BC388472  Gypsophila paniculata T. C. Fuller 1963-8-27 11160 Siskiyou N. limits of Macdoel Comment
  OBI5327  Gypsophila paniculata T. C. Fuller 1963-8-27 11160 Siskiyou N limits of Macdoel Comment
  JEPS109777  Gypsophila paniculata var. paniculata D. W. Taylor 2002-7-27 18276 Siskiyou Weed (town), on far western end of town along the old highway to Yreka. Comment
  SEINET12578750  Hackelia bella H. M. Hall 1909-1 8599 Siskiyou Salmon Mountains, Preachers Peak, Dorleska [Mine]. 2000 Comment
  CAS-BOT-BC419705  Hackelia californica J. K. Nelson 2010-9-4 2010 -030 Siskiyou South slope of Mt. Shasta 1325 Comment
  RSA235840  Hackelia californica J. L. Gentry Jr., David Vierig 1968-6-18 2064 Siskiyou 3.7 miles northeast of Mt. Shasta City on U.S. Forest Road 40N25. Comment
  RSA68887  Hackelia californica A. E. Culbertson 1943-7-3 69 Siskiyou Castle Lake, 14 miles s.w. of Mt. Shasta on n. side of a 6600 eastern spur of Trinity Mts.; 2000 above Sacramento R. within 10 air miles of its headwaters to the west. 1657 Comment
  HSC22205  Hackelia micrantha J. O. Sawyer 1968-7-2 364 Siskiyou Upper drainage of Joe Creek 1677 Comment
  HSC29348  Hackelia micrantha Frederick W. Oettinger 1968-9-2 667 Siskiyou Marble Mtn. Wilderness Area, base of cliffs, SW of Upper English Lake 1875 Comment
  HSC92282  Hackelia micrantha Jennifer Whipple 1976-7-9 1406 Siskiyou N-facing slopes in the Eddy Creek Drainage 2226 Comment
  RSA238563  Hackelia micrantha Frederick W. Oettinger 1968-9-2 667 Siskiyou Southwest of Upper English Lake. Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1875 Comment
  SEINET11849258  Haplopappus racemosus subsp. pinetorum Unknown 1953-1 119 Siskiyou Scott Mountains, Scott Mountain Public Campground, Klamath National Forest 1631 Comment
  CAS-BOT-BC504607  Hastingsia alba J. H. Thomas; H. A. Thomas 1954-7-25 4539 Siskiyou Salmon - Trinity Mts. Vicinity of Rush Lake and Rush Creek Meadow. About 9 miles E of Cecilville 1981 Comment
  CAS-BOT-BC504615  Hastingsia alba A. A. Heller 1919-6-25 13268 Siskiyou Compton's prairie, north base of Mt. Eddy 1158 Comment
  CAS-BOT-BC506195  Hastingsia alba David D. Keck 1949-7-20 6364 Siskiyou Meadow at Scott Mountain Summit at Trinity County line 1633 Comment
  HSC44998  Hastingsia serpentinicola J. P. Smith, Steve Selva 1970-7-17 4454 Siskiyou Below Kangaroo Lake. 1890 Comment
  HSC26895  Hazardia whitneyi var. discoidea J. P. Smith 1971-9-17 4786 Siskiyou On trail up to Little Duck lake 1829 Comment
  HSC29098  Hazardia whitneyi var. discoidea Frederick W. Oettinger 1967-8-17 276 Siskiyou High Lake Basins near English Peak: Marble Mtn. Wilderness Area; Crapo Ridge where the trail crosses it. 2195 Comment
  RSA530395  Hazardia whitneyi var. discoidea W. D. Clark, L. E. Urbatsch 1974-9-26 1153 Siskiyou 18.0 miles N of Hwy 96 on Forestry Rd 40501. 2134 Comment
  HSC68169  Helenium bigelovii J. P. Smith, Steve Selva 1970-7-18 4497 Siskiyou Hanging bog at Kangaroo Lake. 1890 Comment
  HSC76711  Helenium bigelovii K. T. Stillman 1976-7-30 343 Siskiyou Marble Mtn. Wilderness Area, Upper Marble Valley. 1829 Comment
  UC1408925  Helenium bigelovii Frederick W. Oettinger 1968-8-12 492 Siskiyou Tobacco Lake trail Salmon Mountains, Marble Mountain Wilderness Area 1889 Comment
  SEINET11196740 Image available Helenium bigelovii G. D. Butler 1910-7-7 1649 Siskiyou Shackleford Creek 1219 Comment
  UCD132732  Helenium bigelovii Bruce G. Baldwin 1987-8-3 681 Siskiyou Shasta-Trinity National Forest, west of Mt. Shasta, 3.1 miles west of junction with Toad Lake Road along road to Gumboot Lake (along South Fork of the Sacramento River). Comment
  CAS-BOT-BC314844  Helianthella californica var. shastensis Harley P. Chandler 1901-6-1 1535 Siskiyou Klamath River 426 Comment
  JEPS34862  Helianthus bolanderi Geo. D. Butler 1908-7-14 506 Siskiyou near Yreka (Butler's Ranch) Comment
  HSC1953  Helianthus bolanderi L. C. Wheeler 1934-10-6 3311 Siskiyou Mt. Diablo Meridian, Shasta Valley, 2 mi. SE of Yreka. 856 Comment
  HSC68002  Hemizonella minima J. P. Smith, Steve Selva 1970-6-16 3997 Siskiyou 5 mi. from Hwy. 3 on Rd. 8 to Sugar Creek. 1189 Comment
  HSC33330  Hemizonella minima William J. Ferlatte 1974-7-14 1522 Siskiyou Big Flat Area; Lower slopes of Grouse Ridge E of Big Flat Campground 1555 Comment
  UC1400372  Heracleum lanatum Frederick W. Oettinger 1968-8-15 522 Siskiyou s.e. side Hancock Lake; Salmon Mts., High Lake Basins, English Peak vicinity, Marble 1935 Comment
  HSC4130  Herniaria hirsuta var. cinerea L. C. Wheeler 1935-6-15 3588 Siskiyou 3 mi. S of Greenview, Scott Valley, Mt. Diablo Meridian 884 Comment
  JEPS24634  Hesperolinon micranthum Rimo Bacigalupi with Drs. Reino and Aloha Alava 1958-9-1 6789 Siskiyou a little above and e McBride Springs (s slopes of mountain); Mt. Shasta 1432 Comment
  RSA233694  Hesperolinon micranthum Robert F. Thorne, Frederick W. Oettinger 1969-8-10 38947 Siskiyou Mt. Shasta National Forest: Southwest slope of Mt. Shasta along Ski Bowl Road. 1280 Comment
  JEPS94879  Heterocodon rariflorum Vernon H. Oswald and Lowell Ahart 1998-7-21 9357 Siskiyou ne of Weed (e of Grass Lake, and w of Bray on Old State Highway 0.8 mi e of Tennant road); Old State Highway 1417 Comment
  SEINET10906087  Heterocodon rariflorum A. Arthur Heller Heller 12410 Siskiyou BASE OF MT. EDDY Comment
  CAS-BOT-BC210242  Heterotheca villosa var. minor Dana York 2011-8-12 3049 Siskiyou Marble Mountain Wilderness. Klamath National Forest, Marble Mountain ridge 2055 Comment
  POM204112  Heterotheca villosa var. minor J. T. Howell 1934-7-4 12405 Siskiyou SE corner of Siskiyou County Comment
  UCD133103  Heterotheca villosa var. minor J. M. Tucker; L. K. Mann, Sandra L. Holloway 1963-8-18 3753 Siskiyou southwestern ridge of Black Mountain (Black Marble Mountain), Marble Mountain Wilderness Area. 2133 Comment
  CAS-BOT-BC420738  Heuchera merriamii L. R. Short 1933-8-6 24 Siskiyou Klamath Forest 1889 Comment
  HSC4793  Heuchera merriamii William J. Ferlatte 1966-8-19 454 Siskiyou Head Of Kidd Creek 2134 Comment
  CHSC359  Hieracium albiflorum K. Jaekel 1939-7-2 Siskiyou Mt. Shasta. 1828 Comment
  HSC22258  Hieracium albiflorum J. O. Sawyer 1969-7-23 1445 Siskiyou Near N Horse Range Creek, along C.C.C. road. 1341 Comment
  HSC69326  Hieracium albiflorum John Palmer 1980-8-12 736 Siskiyou Road to Bearground Spring from Beaver Creek Rd. 1341 Comment
  UC32774  Hieracium albiflorum Willis L. Jepson Jul 24 1894-Aug 10 1894 Siskiyou near Sisson; Region of the Upper Sacramento Comment
  UC485540  Hieracium albiflorum H. W. Furlong Sep 1901 Siskiyou Summit to Ager Comment
  CAS-BOT-BC319685  Hieracium albiflorum L. E. Smith 1913-7-6 s.n. Siskiyou North fork Castle Creek Comment
  RSA721137  Hieracium albiflorum Leo Miller 1938-07 s.n. Siskiyou Siskiyou Mountains. 915 Comment
  RSA95170  Hieracium bolanderi J. T. Howell 1939-8-6 15097 Siskiyou Marble Mountains Comment
  RSA237530  Hieracium gracile Frederick W. Oettinger 1969-9-5 1673 Siskiyou Upper English Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1799 Comment
  CHSC69070  Hieracium greenei Vernon Oswald; Lowell Ahart 1997-7-28 8801 Siskiyou Forest Route 15 near Grasshopper Flat, 3.9 mi south of Medicine Lake Road. 1700 Comment
  JEPS25876  Hieracium greenei Rimo Bacigalupi with L. Constance and L. Heckard 1960-7-20 7461 Siskiyou above and due e of Twin Valley ((about 12 air mi nw of Happy Camp)); Siskiyou Mountains 1584 Comment
  CAS-BOT-BC318542  Hieracium greenei A. A. Heller 1925-7-29 13909 Siskiyou Along the Pacific highway near Black Butte, north of teh town of Mt. Shasta Comment
  HSC74820  Hieracium horridum J. P. Smith, Jennifer Whipple 1978-7-2 9980 Siskiyou Trail from Cook and Green Pass to Copper Butte. 1768 Comment
  UC572808  Hieracium horridum unknown 1937-8-17 9257 Siskiyou Mt. Shasta 2590 Comment
  HSC2411  Hieracium scouleri William J. Ferlatte 1966-8-5 340 Siskiyou Caribou Mtn. 2470 Comment
  HSC36471  Hieracium scouleri J. O. Sawyer 1969-8-1 1643 Siskiyou SE facing slope above Duck Lake Creek 1951 Comment
  JEPS94997  Hieracium scouleri Vernon Oswald and Lowell Ahart 1997-7-28 8777 Siskiyou Forest Route 56. 3.7 mi east of Forest Route 49, edge of Burnt Lava Flow Virgin Area at Yellow Jacket Ice Cave. Comment
  HSC36470  Hieracium scouleri J. O. Sawyer 1969-8-18 1986 Siskiyou Along S Sugar Creek 1921 Comment
  JEPS32672  Hieracium triste Paul C. Hutchison 1962-8-2 939 Siskiyou between Panther Meadow top of ski lift; Mt. Shasta 2743 Comment
  CAS-BOT-BC320101  Hieracium triste Gilbert Muth 1965-8-11 s.n. Siskiyou Marble Valley Comment
  POM213961  Holcus lanatus G. C. Kimber 1934-6-9 51 Siskiyou Ney Creek, 1/8 mile above junction with Sacramento River. 732 Comment
  HSC29378  Holodiscus discolor Frederick W. Oettinger 1968-9-8 787 Siskiyou S of English Lake 1784 Comment
  HSC4856  Holodiscus discolor J. O. Sawyer 1968-9-9 652 Siskiyou Ridges S of Cyclone Gap 1738 Comment
  HSC65417  Holodiscus discolor Rich White 1978-7-20 261 Siskiyou Ridge top E of Raspberry Lake 1768 Comment
  JEPS82498  Holodiscus discolor Gilbert Muth 1965-8-3 148 Siskiyou Down Creek from Marble Valley; Marble Mt. Wilderness Area 1767 Comment
  RSA449787  Holodiscus discolor M. B. Dunkle 1944-7-15 9095 Siskiyou Siskiyou National Forest. Comment
  JEPS95091  Holodiscus microphyllus var. glabrescens Vernon Oswald and Lowell Ahart 1997-7-28 8773 Siskiyou 16 mi s of Medicine Lake (Forest Route 49 (Powder Hill Road) at 41N03 to Porcupine Butte); Forest Route 49 1365 Comment
  CAS-BOT-BC94844  Holodiscus microphyllus var. microphyllus R. C. Wenk 2005-7-15 210 Siskiyou Trinity Alps, above South Fork of the Salmon River, along Yellow Rose Mine trail 2133 Comment
  HSC39744  Holosteum umbellatum J. O. Sawyer 1970-4-4 2091 Siskiyou Along Sugar Creek 823 Comment
  CDA32413  Hordeum jubatum T. C. Fuller 1965-6-1 13586 Siskiyou West side of Highway 99 to Grenada, 4 miles south of Yreka. 0 Comment
  CHSC75747  Horkelia daucifolia Vernon H. Oswald; Lowell Ahart 1999-7-5 9807 Siskiyou Gazelle Mtn. on road 41N03 0.2 mi southeast of Gazelle-Callahan Hwy. 1508 Comment
  JEPS104786  Horkelia daucifolia Dean W. Taylor 1996-5-29 15638 Siskiyou Highway 3 about 4 miles east of southern edge Yreka; Soap Creek Ridge 822 Comment
  RSA739867  Horkelia fusca subsp. parviflora L. P. Janeway, B. Castro 2007-7-28 9127 Siskiyou High Cascade range, Medicine Lake Highlands, W side of Arnica Sink 6.km W of Glass Mtn. 2042 Comment
  UC165743  Horkelia fusca subsp. parviflora Geo. D. Butler 1910-9-11 1868 Siskiyou Weed Comment
  RSA317342  Horkelia fusca subsp. pseudocapitata James R. Shevock 1972-7-25 2223 Siskiyou Hwy 79 near Mt. Shasta, NE of Weed. 1524 Comment
  JEPS113062  Horkelia fusca var. brownii Roy Buck 1987-6-3 624 Siskiyou White Deer Lake, ca 10 mi NE of Bartle on Hwy 89 Comment
  UCR38388  Horkelia tridentata G. F. Pratt, G. R. Ballmer 1985-6-20 s.n. Siskiyou Castle Lake, c. 6 air mi west of Dunsmuir, Trinity Mtns 1646 Comment
  POM208191  Horkelia tridentata Louis C. Wheeler 1934-6-29 s.n. Siskiyou Beaver Creek 1341 Comment
  RSA166288  Horkelia tridentata Donald Myrick 1961-6-22 315 Siskiyou On Hwy 89 near McCloud. 915 Comment
  CAS-BOT-BC538244  Horkelia tridentata var. flavescens Doris K. Kildale 1929-5-31 9157 Siskiyou South Fork of Salmon River at Cecilville Comment
  HSC68310  Hosackia oblongifolia var. oblongifolia Maralyn A. Renner 1980-7-4 1424 Siskiyou Clear Creek Trail, N of Trout Camp. 1067 Comment
  CAS-BOT-BC142664  Howellanthus dalesianus Dorothy Parker 1958-6-9 649 Siskiyou summit of Scott Mt. 1630 Comment
  CAS-BOT-BC312575  Hulsea nana A. A. Heller 1915-8-26 12215 Siskiyou Near the summit of Mt. Eddy 2743 Comment
  JEPS26586  Hulsea nana Peter Kamb 1949-8-25 1496 Siskiyou above Horse Camp (sw slope of mountain); Mt. Shasta 3169 Comment
  POM73770  Hydrophyllum capitatum var. alpinum Geo. D. Butler 1910-5-10 1324 Siskiyou Goosenest foothills 1677 Comment
  HSC22204  Hydrophyllum fendleri var. albifrons J. O. Sawyer 1968-7-2 365 Siskiyou Upper drainage of Joe Creek on steep N facing slopes. 1677 Comment
  HSC77016  Hydrophyllum occidentale K. T. Stillman 1976-6-25 37 Siskiyou Marble Mtn. Wilderness Area, Marble Valley 1829 Comment
  JEPS101370  Hymenoxys lemmonii Dean W. Taylor 1997-6-12 16054 Siskiyou hillslopes at base of Scott Mountains at mouth of Willow Creek, Shasta Valley); ca. 4 miles west of Gazelle Comment
  CAS-BOT-BC400983  Hypericum anagalloides Geo. D. Butler 1910-7-12 1765 Siskiyou Shackleford Creek 1219 Comment
  HSC99601  Hypericum anagalloides William J. Ferlatte 1966-6-23 142 Siskiyou Big Flat, between campground and S Fork of the Salmon River 1524 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-BC206831  Iliamna bakeri L. Constance 1940-7-12 15337 Siskiyou Along Memorial Highway, Mount Shasta. 1524 Comment
  RSA77044  Iliamna latibracteata F. W. Peirson 1923-7-17 3772 Siskiyou Whitney Creek, foot of Mt. Shasta Comment
  HSC76886  Ipomopsis aggregata K. T. Stillman 1976-6-27 146 Siskiyou Marble Mtn. Wilderness Area 2073 Comment
  UC1096800  Ipomopsis aggregata H. K. Wagnon 1957-8-11 Siskiyou 6 mi w Military Pass (along Brewer Creek); e slope of Mt Shasta Comment
  UC23341  Ipomopsis aggregata Harley P. Chandler June, 1901 1624 Siskiyou near Marble Mtn North Coast Ranges 2133 Comment
  RSA469557  Ipomopsis congesta M. B. Dunkle 1945-1 9350 Siskiyou Klamath National Forest, Marble Mountains 2439 Comment
  JEPS84240  Iris innominata L. R. Heckard with J. Hickman et al. 1986-7-17 6472 Siskiyou ca 5 mi n town of Seiad Valley (s of Lily Pad Lake, trail up Kangaroo Peak, e shoulder of peak); Kangaroo Peak 1940 Comment
  RSA181822  Iris missouriensis H. N. Metcalf, Jack C. Wilson 1965-7-3 65 -25 Siskiyou Grass Lake Comment
  HSC42959  Iris tenuissima J. O. Sawyer, K. T. Stillman 1976-5-30 2756 Siskiyou Along Specimen Creek. 915 Comment
  HSC43367  Iris tenuissima N. G. Sugihara 1977-5-28 85 Siskiyou Recently burned hillside, 0.3 mi. toward Sawyers Bar from Hwy. 96 1067 Comment
  RSA240091  Iris tenuissima Frederick W. Oettinger 1969-8-12 1332 Siskiyou Near Yellow Dog Creek. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 915 Comment
  JEPS13903  Isatis tinctoria W. L. Kleaver 1915-5-20 Siskiyou Yreka, Scott Valley Scott Valley; Yreka, Scott Valley Comment
  RSA724918  Isatis tinctoria L. P. Janeway 2006-7-3 8768 A Siskiyou Klamath Ranges. Salmon Mountains; SW side of Taylor Lake Trailhead Road 0.8 km S of the main road; S-facing bowl at the head of Taylor Creek. 1804 Comment
  UC1586879  Isatis tinctoria Juha Pykala and D. H. Norris 1987-4-26 2052 Siskiyou 0-3 km below Bear Lake (above Bear Creek, Marble Mountain Wilderness Area); Marble Mountain Wilderness Area Comment
  CAS-BOT-BC57678  Isoetes bolanderi John Thomas Howell 1939-8-10 15251 Siskiyou Sky High Valley, Marble Mts. 1828 Comment
  UC371167  Isoetes bolanderi G. D. Butler 1908-8-4 255 Siskiyou head of Shackelford Creek 1524 Comment
  UC1745893  Isoetes occidentalis Annetta M. Carter, Eder Lindsay 1939-8-20 1463 Siskiyou NW side of Taylor Lake. 2026 Comment
  UC134911  Iva axillaris subsp. robustior E. B. Copeland 1903-7-2 3539 Siskiyou Klamathon Comment
  CAS-BOT-BC142726  Ivesia gordonii Alice Eastwood 1912-8-30 2028 Siskiyou Mount Eddy Comment
  RSA184731  Ivesia gordonii var. alpicola Gilbert Muth 1966-7-22 381 Siskiyou Marble Rim, Marble Mountains 2195 Comment
  CAS-BOT-BC142866  Ivesia pickeringii Kevin Sawyer; John Sawyer; Jane Cole; J. P. Smith 1976-9-5 8970 Siskiyou 2.5 miles north of Trinity-Siskiyou Co. line on State Route 3. 1524 Comment
  CHSC114171  Juglans hindsii R. E. Brainerd 2010-8-11 1739 Siskiyou Boles Creek in Weed between E, Lake Street and S. Weed Boulevard. UTM Zone 10 551456E 45888885820N 1048 Comment
  CAS-BOT-BC109976  Juncus Melissa A. Berry 1957-7-8 s.n. Siskiyou North Fork of the Salmon River, Somes Bar-Etna Road. 609 Comment
  RSA768775  Juncus articulatus L. Ahart, John Dittes 2010-7-30 16962 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
  RSA368148  Juncus bolanderi J. P. Smith, J. O. Sawyer 1978-7-3 10008 Siskiyou Klamath National Forest. Williams Point along the Klamath River, south of State Route 96. Comment
  UC637023  Juncus bolanderi Edward Lee 1934-8-13 1057 Siskiyou 4 mi n Happy Camp; Klamath National Forest, Indian Creek 411 Comment
  UC842400  Juncus confusus John Thomas Howell 1939-8-3 15005 Siskiyou Spirit Lake Marble Mts. 1828 Comment
  UC1265336  Juncus covillei Frederick W. Oettinger 1969-8-18 1419 Siskiyou nw side Horse Range Lake (vicinity of English Peak, w Siskiyou County); Salmon Mountains, Marble Mountain Wilderness Area, English P 1821 Comment
  HSC30704  Juncus drummondii Frederick W. Oettinger 1968-9-9 797 Siskiyou Marble Mtn. Wilderness Area. shoreline of Tom's Upper Pond 2020 Comment
  RSA186331  Juncus drummondii Gilbert Muth 1966-10-16 23 Siskiyou Marble Mountains 1793 Comment
  RSA368327  Juncus drummondii L. C. Wheeler 1934-8-9 3088 Siskiyou Siskiyou Mountains: Head of Jaynes Canyon. 1981 Comment
  HSC99803  Juncus effusus subsp. pacificus C. B. Wolf 1927-8-26 1097 Siskiyou Klamath River, 14 mi. above Happy Camp Comment
  UC2525  Juncus effusus subsp. pacificus W. L. Jepson 1894-1 Siskiyou Mt. Shasta Comment
  HSC22404  Juncus ensifolius J. O. Sawyer 1969-8-5 1953 Siskiyou Above the S Fork of Sugar Creek 1814 Comment
  HSC22405  Juncus ensifolius J. O. Sawyer 1969-7-23 1444 Siskiyou Near N Horse Range Creek, along C.C.C. road. 1341 Comment
  HSC96555  Juncus mertensianus Gordon Leppig, J. Kalt 1996-7-10 380 Siskiyou Russian Wilderness, cirque W of Little Duck Lake 2200 Comment
  UC1106413  Juncus mertensianus Peter Kamb 1949-8-25 1486 Siskiyou above Horse Camp (sw slope of Mt. Shasta); Mt. Shasta 2621 Comment
  HSC14091  Juncus mexicanus R. C. Wunner 1965-6-22 259 Siskiyou Lava Beds National Monument, Canby Bay 1220 Comment
  RSA238909  Juncus nevadensis Frederick W. Oettinger, Robert F. Thorne 1969-8-8 1288 Siskiyou At Sundew Bog on SE-facing gradual slope due W of the English Lake main camp. Salmon Mtns. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1829 Comment
  HSC30705  Juncus nevadensis var. nevadensis Frederick W. Oettinger, R. F. Thorne 1969-8-5 1205 Siskiyou Marble Mtn. Wilderness Area, Willow Springs on the trail from English Lake to Abbott's Upper Cabin 1677 Comment
  JEPS67056  Juncus orthophyllus Geo. D. Butler 1909-6-22 872 Siskiyou Goosenest foothills Goosenest Comment
  CHSC98758  Juncus parryi L. P. Janeway; B. Castro 2007-7-29 9144 Siskiyou High Cascade Range. Medicine Lake Highlands; Pumice Stone Mountain, very steep north-facing slope near the top of the northwest-trending shoulder. 2054 Comment
  CHSC99697  Juncus parryi L. P. Janeway 2008-7-24 9470 Siskiyou Klamath Ranges. Siskiyou Mountains; at end of short spur road into top of Alex Hole; 1.0 km east-southeast of Condrey Mountain. 1975 Comment
  HSC10  Juncus parryi William J. Ferlatte 1965-6-22 116 Siskiyou Josephine Lake Basin 1677 Comment
  HSC22485  Juncus parryi J. O. Sawyer 1969-7-25 1534 Siskiyou SE facing upper slope above Sugar Lake 1997 Comment
  HSC89810  Juncus parryi D. K. Imper Jun 1987 Siskiyou 8 mi. E of the town of Mt. Shasta 2134 Comment
  CAS-BOT-BC110154  Juncus regelii Doris K. Kildale 1929-7-20 8705 Siskiyou Raspberry Lake, South Fork of Indian Creek. 1828 Comment
  SEINET3140701  Juncus tenuis J. M. Tucker 1974-7-28 4317 Siskiyou Marble Mountain Wilderness Area, Haypress Meadows 1463 Comment
  HSC31503  Juniperus communis var. saxatilis Steve Selva, Roger Jensen 1974-8-25 51 Siskiyou Top of ridge S of Little Duck Lake Comment
  SFV5113  Juniperus grandis B. C. Templeton 1957-6-21 Siskiyou North of Callahan Comment
  CDA714  Juniperus occidentalis G. D. Barbe, J. T. Howell, T. C. Fuller 1980-4-29 2633 Siskiyou Roadside at edge of serpentine ridge 16 km south of Fort Jones on Scott Valley East Side Road. Comment
  HSC37540  Juniperus occidentalis J. P. Smith 1974-5-27 7603 Siskiyou Along FS Rd. 47N03 1524 Comment
  UC1001948  Juniperus occidentalis Mrs. B. M. Berry 1954-10-10 6 Siskiyou near Callahan; Scott Mountains, Scott Valley 914 Comment
  UC202176  Juniperus occidentalis Geo. D. Butler 1909-12-10 1112 Siskiyou Klamath Hills Comment
  NY19868  Juniperus occidentalis E. P. Lee 1934-8-9 1014 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
  NY20170  Juniperus occidentalis Miss Herzinger 11 1903 s.n. 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
  RSA305804  Keckiella corymbosa James R. Shevock 1972-7-26 2226 Siskiyou Along the Klamath River. 518 Comment
  RSA537375  Keckiella corymbosa Walter Wisura, J. Romero 1991-10-18 4598 Siskiyou Salmon River, 3.4 mi E of Sommes Bar, on exposed rock face. Comment
  HSC64371  Koeleria macrantha Don Bateman 1980-7-1 Siskiyou 12 mi. E of Macdoel. 1372 Comment
  UC642553  Lactuca serriola W. B. Cooke 1939-8-4 17398 Siskiyou along Sisson Southern Trail; Mount Shasta Comment
  CDA7517  Lactuca tatarica var. pulchella T. C. Fuller 1967-8-15 16260 Siskiyou 4 miles northeast of Macdoel. 0 Comment
  UC2026967  Lapsana communis Anthony Baniaga 2011-7-8 428 Siskiyou Klamath National Forest. Along Salmon River, on highway 93 Comment
  HSC103308  Lathyrus jepsonii subsp. californicus Thomas W. Nelson, Jane Nelson 1983-7-29 7505 Siskiyou Along Forest Service Rd. 41N14, 1.7 mi. N of junction with Callahan-Cecilville County Rd. 1463 Comment
  CHSC35549  Lathyrus lanszwertii var. tracyi James P. Smith 1973-5-5 6415 Siskiyou Roadside and streamside along Cook and Green Pass road. Comment
  UC673248  Lathyrus lanszwertii var. tracyi Lincoln Constance and Reed C. Rollins 1942-5-12 2897 Siskiyou 2 mi n Somes Bar; North Coast Ranges, Klamath River 182 Comment
  CAS-BOT-BC205047  Lathyrus palustris Gilbert Muth 1966-7-14 384 Siskiyou Marble Valley, Marble Mts. 1798 Comment
  RSA406676  Lathyrus polyphyllus M. B. Dunkle 1944-6-25 9018 Siskiyou Siskiyou National Park. Comment
  UC163718  Lathyrus sulphureus Cassie Quigley 1909-5-8 707 Siskiyou Klamath River Comment
  RSA105420  Lemna G. D. Barbe 1955-6-29 50 Siskiyou 4.1 miles southeast of Etna on the Eastside road 915 Comment
  JEPS107391  Lemna minuta Lowell Ahart, John Dittes 2005-6-10 12110 Siskiyou At intake pipe, at pump house along the Shasta River, about 1.9 miles (air) south of Highway 99/97 Cutoff, about 6 miles (air) east-southeast of Grenada 776 Comment
  CAS-BOT-BC534903  Lemna turionifera Alice Eastwood 1912-7-17 1146 Siskiyou Sisson Comment
  CHSC4184  Lepidium campestre R. Carter 1966-5-15 399 Siskiyou McConnahue Gulch, 4.5 mi. SE of Etna, in driveway of Parker home; along W side of driveway. 914 Comment
  CAS-BOT-BC89182  Lepidium draba Lincoln Constance; Reed Clark Rollins 1942-5-14 2920 Siskiyou Klamath Siskiyou Region. One mile east of Yreka. 762 Comment
  CDA3794  Lepidium latifolium J. R. Grisham 1966-7-12 Siskiyou Mt. Shasta off-ramp of Interstate Freeway at Mt. Shasta City. 0 Comment
  SEINET3148906  Lepidium medium G. D. Butler 1910-6-27 1612 Siskiyou Yreka Creek Comment
  POM364701  Leptosiphon bolanderi Christopher Davidson 1975-6-5 2661 Siskiyou just above gate on special service rd branching SE off rd from Gazelle to Callahan 9.3 mi. W of Gazelle. 1471 Comment
  POM208354  Leptosiphon ciliatus L. C. Wheeler 1934-6-11 2688 Siskiyou Siskiyou Mts., Mt. Diablo Mer., North Hungry Creek 1220 Comment
  JEPS20610  Lessingia nemaclada W. L. Jepson 1914-8-14 6168 Siskiyou Dunsmuir 670 Comment
  JEPS20613  Lessingia nemaclada W. L. Jepson 1907-7-25 2960 Siskiyou Scott Valley Comment
  POM41722  Lessingia nemaclada Geo. D. Butler 1908-8-2 341 Siskiyou Oro Fino Comment
  POM56235  Lessingia nemaclada Geo. D. Butler 1910-8-13 1827 Siskiyou Scott Valley Comment
  RSA507783  Lessingia nemaclada J. C. Semple, S. Heard 1986-8-16 8467 Siskiyou CA-96, 1.6 km west of Horse Creek, before CA-3 Comment
  UC1287434  Lessingia nemaclada John Weiler and A. P. Nelson 1960-6-26 60225 Siskiyou 2.2 mi nw second bridge across Salmon River (nw of town of Forks of Salmon, on banks of rive); Salmon River Comment
  HSC46841  Leucanthemum vulgare William J. Ferlatte 1974-7-14 1532 Siskiyou Big Flat near South Fork of Salmon River, W of Campground. 1509 Comment
  HSC68085  Leucanthemum vulgare J. P. Smith, Steve Selva 1970-6-16 4034 Siskiyou 4 mi. from Hwy. 3 on Rd. 8 to Sugar Creek. 1159 Comment
  JEPS66649  Leucothoe davisiae John P. Young 1921-9-15 Siskiyou near summit of Whisky Butte, Etna Mills, w Siskiyou County Whisky Butte; , Etna Mills Comment
  CAS-BOT-BC444053  Lewisia cotyledon var. cotyledon John Thomas Howell 1939-8-3 14954 Siskiyou Spirit Lake, Marble Mts. 1828 Comment
  CHSC95122  Lewisia cotyledon var. cotyledon L. P. Janeway 2006-7-3 8771 Siskiyou Klamath Ranges. Salmon Mountains; 100 m west of the Taylor Lake Trailhead Road 0.8 km south of the main road. North-facing edge at top of narrow rocky spur ridge. 1820 Comment
  HSC69030  Lewisia cotyledon var. cotyledon Maralyn A. Renner 1980-7-28 2179 Siskiyou Above Pacific Crest Trail, near ridge 1799 Comment
  UC1483549  Lewisia cotyledon var. cotyledon John Palmer 1980-7-24 643 Siskiyou Dillon Divide Klamath Mational Forest, Dillon Mtn. Quad. 1706 Comment
  CAS-BOT-BC444043  Lewisia cotyledon var. cotyledon Grace Wood 1919-5-9 s.n. Siskiyou Oak Bar Comment
  RSA296720  Lewisia cotyledon var. howellii Clark Miller 1979-4-28 2 -109 Siskiyou 12 miles east of Hwy 96 along road to forks of Salmon. 523 Comment
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Aug 31 2009
  HSC4442  Lewisia leeana William J. Ferlatte 1966-7-7 208 Siskiyou Caribou Basin 1982 Comment
  HSC4869  Lewisia leeana J. O. Sawyer 1968-7-22 257 Siskiyou Between Handcock and Diamond Lakes 1951 Comment
  RSA237331  Lewisia leeana Frederick W. Oettinger 1967-7-8 166 Siskiyou Near Big Blue Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2104 Comment
  HSC77041  Lewisia triphylla K. T. Stillman 1976-6-25 24 Siskiyou Marble Mtn. Wilderness Area, Marble Valley 1829 Comment
  UC618650  Lewisia triphylla William Bridge Cooke 1938-9-8 11657 Siskiyou Squaw Creek Meadows Mount Shasta Comment
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Mar 31 2006
  POM257761  Lewisia triphylla C. L. Hitchcock 1939-7-9 5337 Siskiyou Paradise Lake, near Kings Castle. 1768 Comment
  HSC61140  Ligusticum californicum Al Hobart 1967-8-8 Siskiyou El Capitan Comment
  RSA453851  Ligusticum californicum M. B. Dunkle 1945-07 9256 Siskiyou Klamath National Forest; Marble Mts. Comment
  UCD77824  Ligusticum grayi Robert E. Preston 2001-7-21 1727 Siskiyou Klamath National Forest, north slope of Rainbow Mountain, T42N R1W ne 1/4 Section 22 2066 Comment
  RSA453854  Ligusticum grayi M. B. Dunkle 1929-8-29 2392 Siskiyou Upper Rattlesnake Creek Comment
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May 7 2013
  CAS-BOT-BC509385  Lilium kelleyanum A. A. Heller 1915-7-18 12108 Siskiyou Metcalf's Ranch, northeast base of Mt. Eddy in moist soil in the forest 1188 Comment
  UC1034603  Lilium pardalinum Douglas Barbe 1955-6-29 47 Siskiyou 1.8 mi e Callahan (s bank of Scott River); Klamath Mountains, Scott River 975 Comment
  RSA126270  Lilium pardalinum I. L. Wiggins 1955-7-21 13425 Siskiyou Near Mt. View Ranch 7 miles above Cecilville on S Fork of Salmon River 976 Comment
  HSC96290  Lilium pardalinum subsp. shastense Gordon Leppig 1998-8-13 1006 Siskiyou Klamath National Forest, Russian Wilderness, Little Duck Lake Fen 2200 Comment
  UCD77825  Lilium pardalinum subsp. shastense Robert E. Preston 2001-6-23 1541 Siskiyou Klamath National Forest, n slope of Rainbow Mtn. 1706 Comment
  HSC77932  Lilium pardalinum subsp. wigginsii D. K. Imper 1982-7-22 1499 Siskiyou Near Beans Camp 1280 Comment
  HSC77934  Lilium pardalinum subsp. wigginsii D. K. Imper 1982-7-22 1501 Siskiyou Near Flint Valley 1402 Comment
  HSC77935  Lilium pardalinum subsp. wigginsii D. K. Imper 1982-7-22 1502 Siskiyou Near Flint Valley 1402 Comment
  CAS-BOT-BC132993  Lilium rubescens L. E. Smith 1913-7-4 s.n. Siskiyou North Fork Castle Creek Comment
  CHSC2296  Lilium rubescens V. Holt 1932-7-3 Siskiyou Castle Creek. 914 Comment
  JEPS58437  Linanthus harknessii W. L. Jepson 1940-7-3 20115 Siskiyou about 5 mi se Bartle; Big Bear Flat 1219 Comment
  UC1299614  Linanthus harknessii Freed W. Hoffman 1951-7-15 4036 Siskiyou w side Kelsey Creek (at Hammond Camp, w Siskiyou County); North Coast Ranges, Marble Mountains 1524 Comment
  CHSC71491  Linanthus pungens Vernon H. Oswald; Lowell Ahart 1998-7-21 9318 Siskiyou Shasta NF plantation on the west side of Hwy. 97 2.2 mi northeast of Lake Shastina-Big Springs Rd. northeast of Weed. 975 Comment
  RSA139035  Linaria dalmatica T. C. Fuller 1960-6-30 4649 Siskiyou Mt. Hebron-Medicine Lake Road, just E/Rock Rock School Rd. Comment
  HSC30489  Linnaea borealis subsp. longiflora Frederick W. Oettinger 1969-8-9 1319 Siskiyou Stream crossing of N Fork River enroute to Abbott's Upper Cabin, Salmon Mtns. 1357 Comment
  RSA0087559  Linnaea borealis subsp. longiflora Douglas Barbe 1955-7-5 101 Siskiyou Klamath Mountains, about 12 miles south of Etna on French Creek. 1097 Comment
  HSC61141  Linum lewisii Al Hobart 1967-8-8 Siskiyou El Capitan Comment
  HSC22236  Listera convallarioides J. O. Sawyer 1969-8-4 1886 Siskiyou Above S Sugar Lake 2043 Comment
  RSA68921  Listera convallarioides A. E. Culbertson 1943-8-12 36 Siskiyou Castle Lake, in a north facing cirque with an abrupt 1000 backwall; 14 miles southwest of Mt. Shasta on north side of a 6600 eastern spur of Trinty Mountains; 2000 above Sacramento River within 10 air miles of its headwaters to the west 1657 Comment
  CAS-BOT-BC36546  Lithocarpus densiflorus var. echinoides Geo. B. Grant 1902-9-1 1090 Siskiyou Shasta Springs Comment
  UC1045211  Lithocarpus densiflorus var. echinoides unknown 1940-6-6 15031 Siskiyou along the Castle Lake Road Comment
  CAS-BOT-BC36541  Lithocarpus densiflorus var. echinoides Carl B. Wolf 1931-9-2 2393 Siskiyou 4 miles above junction of McCloud Road with the Pacific Highway 1188 Comment
  CAS-BOT-BC317337  Lithospermum californicum Antone J. Soares 1922-6-1 8553 Siskiyou Shasta Springs Comment
  CAS-BOT-BC325938  Lithospermum californicum A. A. Heller 1905-6-13 8017 Siskiyou Shasta Springs. On the slope between the railroad and the river above Shasta Springs. Comment
  CDA40609  Lithospermum ruderale D. Janssen & F. D. Horn 1978-5-15 s.n. Siskiyou West of Hotlum Road, northeast of Weed. 0 Comment
  JEPS80507  Lomatium dissectum var. dissectum Gilbert Muth 1966-7-25 447 Siskiyou Boreal meadow area Marble Mt. Lookout; Marble Mt. Wilderness Area, , Boreal meado 2097 Comment
  UC1400381  Lomatium dissectum var. multifidum Frederick W. Oettinger 1968-8-15 523 Siskiyou e. side Hancock Lake; Salmon Mts., High Lake Basins, English Peak vicinity, Marble 1950 Comment
  HSC29158  Lomatium dissectum var. multifidum Frederick W. Oettinger 1968-8-15 523 Siskiyou High Lake Basins, Marble Mountain Wilderness Area, Hancock Lake 1951 Comment
  CHSC33398  Lomatium macrocarpum J. P. Smith 1974-5-26 7387 Siskiyou Along F.S. road 47N03. 1524 Comment
  UC165425  Lomatium macrocarpum Geo. D. Butler 1910-5-4 1275 Siskiyou hills near Yreka Comment
  UC643382  Lomatium macrocarpum unknown 1940-6-7 15103 Siskiyou along Pacific Hwy. (U.S. 99) between Mt. Shasta City and Black Butte Comment
  UC726881  Lomatium macrocarpum A. A. Heller 1925-6-25 13894 Siskiyou State Hwy. 3 mi. n. Mt. Shasta Comment
  OBI8923  Lomatium macrocarpum Tracey Call, Viola Call 1964-6-22 2279 Siskiyou On Montague Rd. 5 mi W of Mt Hebron town 1554 Comment
  CAS-BOT-BC217792  Lomatium peckianum Alice Eastwood; John Thomas Howell 1934-4-20 1785 Siskiyou 4 miles N. of Weed Comment
  UC166104  Lomatium piperi Geo. D. Butler 1910-2-25 1115 Siskiyou Yreka Comment
  UC166105  Lomatium piperi Geo. D. Butler Feb 14 1909-Feb 28 1909 578 Siskiyou near Yreka Comment
  POM82357  Lomatium triternatum Geo. D. Butler 1910-5-21 1380 Siskiyou Klamath hills Comment
  HSC36167  Lomatium triternatum var. macrocarpum J. P. Smith 1974-5-27 7618 Siskiyou Along FS Rd. 47N03 1280 Comment
  JEPS101782  Lomatium triternatum var. triternatum Dean W. Taylor 1999-6-9 17256 Siskiyou Agate Flat, 0.3 miles S of Oregon State Line 1005 Comment
  POM67575  Lonicera ciliosa Geo. D. Butler 1910-8-1 1808 Siskiyou Yreka Creek. Comment
  CAS-BOT-BC240639  Lonicera hispidula P. C. Everett; E. K. Balls 1959-10-24 23943 Siskiyou 3 mi. sw. from Red Bank F.S. Camp along road from Sawyers Bar to Somesbar [Somes Bar] 518 Comment
  UC28531  Lonicera interrupta Edward L. Greene 1870-7-7 920 Siskiyou Comment
  POM27605  Lotus denticulatus Geo. D. Butler 1909-6-24 912 Siskiyou Yreka Creek Comment
  POM27604  Lotus douglasii Geo. D. Butler 1909-5-23 777 Siskiyou Near Yreka Comment
  JEPS75372  Lotus purshianus var. purshianus Geo. D. Butler 1908-7-5 390 Siskiyou near Yreka (Butler's Ranch) Comment
  UC454690  Lotus purshianus var. purshianus I. J. Condit 1911-7-31 Siskiyou Shasta Retreat, along R.R. Shasta Retreat Comment
  UC862228  Lotus purshianus var. purshianus A. A. Heller 1916-6-23 12430 Siskiyou n of Sisson (near Black Butte) 1127 Comment
  RSA505592  Lotus unifoliolatus Barbara J. Ertter 1987-7-26 7324 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
  HSC30470  Lotus unifoliolatus var. unifoliolatus Frederick W. Oettinger, R. F. Thorne 1969-8-5 1215 Siskiyou Abbott's Upper Cabin, Salmon Mts. 1524 Comment
  HSC666  Lotus unifoliolatus var. unifoliolatus William J. Ferlatte 1967-7-9 682 Siskiyou Kidd Creek Trail 1768 Comment
  RSA237597  Luetkea pectinata Frederick W. Oettinger 1968-8-2 356 Siskiyou South end of Diamond Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2073 Comment
  UC860312  Luetkea pectinata John Thomas Howell 1939-8-2 14872 Siskiyou Spirit Lake; Marble Mts. Comment
  UC922372  Luetkea pectinata Annie M. Alexander and Louise Kellogg 1949-7-29 5895 Siskiyou near Hidden Lake (above Sky High Lake); Marble Mountains, Sky High Valley 1859 Comment
  UCR110581  Luetkea pectinata L. C. Wheeler 1963-8-25 8274 Siskiyou Preston Peak: Summit ridge 2134 Comment
  CAS-BOT-BC342561  Luina hypoleuca D. H. Norris 1970-5-23 12243 Siskiyou Along Klamath River at Ishi Pishi Bridge near Somes Bar Comment
  RSA237533  Luina hypoleuca Frederick W. Oettinger 1968-8-2 367 Siskiyou Northeast of Diamond Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2082 Comment
  JEPS85698  Lupinus albicaulis Geo. D. Butler 1908-7-20 371 Siskiyou Humbug Creek Comment
  JEPS106477  Lupinus albicaulis J. K. Nelson with J. R. Nelson 2004-7-4 2004 -61 Siskiyou S side Mount Shasta, W side Squaw Valley Creek above Road 31 in. Comment
  SEINET10452745 Image available Lupinus albicaulis subsp. shastensis A. Arthur Heller 1905-6-13 Heller 8024 Siskiyou Near Shasta Springs. Comment
  CHSC71299  Lupinus albicaulis var. shastensis Vernon H. Oswald 1998-6-11 9184 Siskiyou Shasta NF plantation on the west side of Hwy. 97 2.2 mi northeast of Lake Shastina-Big Springs Rd., northeast of Weed. 1066 Comment
  UC157024  Lupinus albicaulis var. shastensis Geo. D. Butler 1908-7-20 371 Siskiyou Humbug Creek Comment
  UC157025  Lupinus albicaulis var. shastensis Geo. D. Butler 1908-8-2 370 Siskiyou edge Quartz Valley; Shackleford Creek, edge of Quartz Valley Comment
  POM211512  Lupinus albicaulis var. shastensis Louis C. Wheeler 1934-6-11 2689 Siskiyou North Hungry Creek 1220 Comment
  UC640283  Lupinus albifrons H. and M. Dearing 1939-7-3 3812 Siskiyou Etna Comment
  CAS-BOT-BC195967  Lupinus albifrons var. albifrons Charles Piper Smith 1947-5-6 47204 Siskiyou Gazelle, 3.2 miles south, Highway 99 Comment
  UC157012  Lupinus albifrons var. collinus Geo. D. Butler May 2 1910-May 16 1910 1268 Siskiyou Yreka Comment
  SEINET10484557  Lupinus albifrons var. flumineus David B. Dunn, Melvin L. Conrad; Douglas G. LeDoux 1973-6-3 Dunn 20643 Siskiyou Vicinity of the campground on the salmon river, 8.3 miles w of cecilville. Yellow pine forest with douglas fir. Area with mostly metamorphic rocks. Area Very rocky and gravelly Comment
  RSA11947  Lupinus angustiflorus Elmer I. Applegate 1923-8-20 3907 Siskiyou South side of medicine Lake. 2134 Comment
  HSC70490  Lupinus croceus J. P. Smith, Steve Selva 1970-6-15 3971 Siskiyou 20 mi. E of Cecilville on the road to Callahan. 1646 Comment
  HSC795  Lupinus croceus William J. Ferlatte 1967-7-9 700 Siskiyou Kidd Creek Trail 1677 Comment
  SEINET10490743  Lupinus croceus var. croceus Melvin L. Conrad, Douglas G. LeDoux; Patricia L. Kenney 1973-6-1 Conrad 6981 Siskiyou Western yellow pine, libocedrus, douglas fir forest, 6 mi. Sw of callahan. 1524 Comment
  SEINET3166566  Lupinus croceus var. croceus R. W. Spellenberg 2006-6-19 13747 Siskiyou 35 air km WSW of Weed on Calif. Hwy. 3, 8.5 km Sof jct with Callahan-Gazelle Rds., 1.6 km N of Scott Mtn. Summit 1525 Comment
  RSA104574  Lupinus lapidicola A. A. Heller 1919-7-9 s.n. Siskiyou On the long E-W ridge of Mt. Eddy 2439 Comment
  HSC69357  Lupinus latifolius Maralyn A. Renner 1980-8-21 2579 Siskiyou Kidd Creek 2043 Comment
  RSA237934  Lupinus latifolius subsp. viridifolius Frederick W. Oettinger 1969-7-13 1006 b Siskiyou The High lake Basins in the vicinity of English Peak Marble Mountain Wilderness Area, slope north of Upper English Lake. 1951 Comment
  HSC59016  Lupinus lepidus Marvin Butler 1971-7-20 178 Siskiyou Near El Capitan Lake, close to Cave Junction 1464 Comment
  JEPS65069  Lupinus lepidus var. lobbii Willis L. Jepson 1894-8-11 9 t Siskiyou near Sisson; Mt. Shasta, Muir Peak (now Sugar Loaf), next Black Butte Comment
  UC904774  Lupinus lepidus var. sellulus W. Bridge Cooke 1949-8-26 25674 Siskiyou along logging road above Bolam Station; Mount Shasta Comment
  CDA27465  Lupinus lepidus var. sellulus S. Davis, F. D. Horn 1979-8-22 Siskiyou Sam s Neck west of Dorris. 0 Comment
  RSA749105  Lupinus leucophyllus R. Riggins 1993-6-17 1687 Siskiyou Loose gravelly loam along CA 263, ca. 1 mi N jct. CA 96, 0.5 mi. S jct. I5 Comment
  UC1333309  Lupinus leucophyllus Dorothy Parker 1949-6-16 322 Siskiyou along the Etna-Callahan road Scott Valley 868 Comment
  SEINET10488762  Lupinus luteolus Edwin B. Copel 1903-7-2 Copeland 3535 Siskiyou Klamathon. Comment
  SEINET10490807  Lupinus lyallii var. lyallii Robert T. Clausen, Harold Trapido 1940-7-27 Clausen 4966 Siskiyou In volcanic dust in forest of abies magnifica on w side of mountainhouse creek, About 4 mi n-ne of summit of mt. Shasta. Upper petals blue suffused with Purple, lower ones blue. Cascade mtns. Sacramento river basin. 2134 Comment
  CHSC93523  Lupinus microcarpus var. microcarpus Lowell Ahart; John Dittes 2005-6-9 12015 Siskiyou Open pasture field, on the east side of a poor rock fence, about 300 yards east of where cattle water in the Shasta River, about 3/5 mile (air) south of Highway 99/97 Cutoff, about 2 1/2 miles (air) east-southeast of Grenada. 774 Comment
  RSA32811  Lupinus obtusilobus A. A. Heller 15765 Siskiyou About Horse Camp, Mt. Shasta. 2439 Comment
  HSC71358  Lupinus polyphyllus J. P. Smith, Steve Selva 1970-7-17 4441 Siskiyou 915 Comment
  UCD109364  Lupinus polyphyllus A. A. Heller 1920-7-6 13415 Siskiyou Metcalf's ranch, northeast base of Mt. Eddy. 1158 Comment
  UCD109376  Lupinus polyphyllus J. M. Tucker; L. K. Mann 1963-7-5 3699 Siskiyou on Blake's Fork of South Russian Creek (a tributary of Salmon River), ca. 7 miles (airline) east of Sawyer's Bar, Salmon Mountains. 1615 Comment
  POM24888  Lupinus polyphyllus subsp. polyphyllus Geo. D. Butler 1910-7-6 1642 Siskiyou Quartz Valley Comment
  RSA582454  Lupinus polyphyllus subsp. polyphyllus Louis C. Wheeler 1935-6-13 3572 Siskiyou Mill Creek, Quartz Valley. 884 Comment
  UC157014  Lupinus polyphyllus var. polyphyllus Geo. D. Butler 1910-7-6 1642 Siskiyou Quartz Valley Comment
  RSA215621  Lupinus sellulus subsp. sellulus Gilbert Muth 1969-8-7 1241 Siskiyou Boulder Peak 2530 Comment
  HSC92405  Lupinus sellulus subsp. ursinus Jennifer Whipple 1977-7-20 1979 Siskiyou South face of Mt. Eddy. 2470 Comment
  CHSC111640  Luzula comosa var. laxa Peter F. Zika 2009-8-16 24597 Siskiyou Damp meadows near north end of Juanita Lake, over basalt, partial shade, Forest Sevrice Road 46N04. 1550 Comment
  RSA238892  Luzula comosa var. laxa Frederick W. Oettinger 1969-7-16 1034 Siskiyou Just NE of Abbotts Lake outlet. Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1723 Comment
  RSA105328  Luzula divaricata G. D. Barbe 1955-8-1 326 Siskiyou At the summit of Mt. Bolivar. Scott Mts. 2470 Comment
  JEPS67184  Luzula parviflora B. C. Goldsmith 1916-10-10 38 a Siskiyou Widow Creek Mount Shasta, Widow Creek Comment
  HSC31127  Luzula parviflora J. O. Sawyer 1971-8-19 2454 Siskiyou 2012 Comment
  RSA758591  Luzula parviflora Robert F. Thorne, Frederick W. Oettinger 1969-8-4 63402 Siskiyou Klamath Nat'l Forest, Salmon Mountains: Marble Mtn Wilderness, to Hancock Lake & Tobacco Lake via Diamond Lake 1936 Comment
  HSC90703  Madia citriodora K. L. Chambers 1967-6-22 2845 Siskiyou About 500 ft. above and E of the freeway (Hwy. 5 ) at the Hilts exit, Siskiyou Pass 1098 Comment
  JEPS40212  Madia citriodora Geo. D. Butler 1908-5-14 698 Siskiyou Klamath River Comment
  CAS-BOT-BC343997  Madia elegans A. A. Heller 1916-8-24 12556 Siskiyou Near Sisson 1074 Comment
  UC223696  Madia elegans Elmer I. Applegate 1923-9-7 3782 Siskiyou mouth of Doggett Creek; Klamath River Comment
  UC830843  Madia elegans A. A. Heller 1916-8-24 12556 Siskiyou near Sisson 1074 Comment
  UCD135763  Madia elegans Bruce G. Baldwin 1986-7-20 616 Siskiyou junction of California State Highway 96 and U.S. Forest Service Road 46N52 (west of town of Klamath River). Comment
  RSA13387  Madia elegans subsp. densifolia L. C. Wheeler 1934-9-18 3280 Siskiyou Klamath River near mouth Beaver Creek, Siskiyou Mts. 549 Comment
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Feb 2 2009
  POM31388  Madia elegans subsp. elegans Geo D. Butler 1910-5-27 1413 Siskiyou Dry land near Yreka Comment
  CAS-BOT-BC344541  Madia exigua Geo. D. Butler 1910-6-6 1536 Siskiyou Quartz Valley Comment
  CHSC75680  Madia exigua Vernon H. Oswald; Lowell Ahart 1999-7-5 9794 Siskiyou Gazelle-Callahan Hwy. 9.0 mi west of Gazelle. Roadside. 914 Comment
  RSA11145  Madia gracilis subsp. gracilis C. B. Wolf 1934-7-4 5939 Siskiyou Horse Creek road to Dry Lake Lookout, Siskiyou Mountains, 8.4 miles by road from the Lookout Station 1524 Comment
  POM266582  Mahonia aquifolium Lester Rowntree 1932-8-2 s.n. Siskiyou Happy Camp Rd. Comment
  RSA452625  Mahonia nervosa M. B. Dunkle 1944-6-25 9012 Siskiyou Beaver Creek, Siskiyou Mt. 1677 Comment
  HSC61171  Maianthemum racemosum subsp. amplexicaule Al Hobart 1967-8-8 Siskiyou El Capitan Comment
  RSA264979  Maianthemum racemosum subsp. amplexicaule Gilbert Muth 1975-7-28 s.n. Siskiyou Near Cook and Green Pass, near Seiad Valley 1524 Comment
  SEINET12049835  Maianthemum racemosum subsp. amplexicaule F. H. Utech 1986-1 86 -479 Siskiyou Klamath National Forest, West Branch Recreation Area, ca 12 mi NE of Happy Camp to Waldo 1000 Comment
  CAS-BOT-BC514186  Maianthemum stellatum Wm. Bridge Cooke 1938-7-1 11148 Siskiyou Mount Shasta, Below Wagon Camp 1706 Comment
  RSA441246  Marah oregana L. C. Wheeler 1934-7-3 2861 Siskiyou Soda Creek, Sterling Mt. Siskiyou Mountains. (Mt. Diablo Mer.) 1676 Comment
  CAS-BOT-BC105076  Melica aristata R. C. Wenk 2008-7-24 918 Siskiyou SW side of Mount Shasta, McBride Springs. Growing in campground near pump at springs 1493 Comment
  JEPS109400  Melica aristata Dean W. Taylor 2004-7-20 19192 Siskiyou Mt. Shasta, slopes southwest of Squaw Valley Creek 1889 Comment
  HSC76950  Melica bulbosa K. T. Stillman 1976-7-15 248 Siskiyou Marble Mountain Wilderness Area. Comment
  JEPS104956  Melica harfordii Dean W. Taylor 1996-7-10 15773 Siskiyou head of Facey Gulch on Hayden Ridge; easterly watershed divide of Scott Valley (about 10 air miles E of Etna); Klamath National Forest 1173 Comment
  UC375407  Melilotus albus Geo. D. Butler 1908-7-8 1037 Siskiyou near Yreka (along creek) Comment
  UC618717  Mentzelia dispersa W. B. Cooke 1937-7-23 9127 Siskiyou Sisson Southern Trail Chaparral Mount Shasta Comment
  UC1190173  Mentzelia laevicaulis var. laevicaulis Ira L. Wiggins 1955-7-22 13454 Siskiyou 9.5 mi above Cecilville (Gravel bar in S Fork of Salmon River.); Salmon River 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-BC428548  Micranthes aprica Alice Eastwood 1912-8-30 2012 Siskiyou Mount Eddy Comment
  CAS-BOT-BC428978  Micranthes ferruginea Ira L. Wiggins 1955-7-27 13548 Siskiyou Caribou Lake, Salmon-Trinity Alps Primitive Area 2042 Comment
  CAS-BOT-BC428984  Micranthes ferruginea Doris K. Kildale 1929-7-20 8591 Siskiyou Southeast spur of Preston Peak 1950 Comment
  CAS-BOT-BC429156  Micranthes odontoloma Gilbert Muth 1965-8-17 308 Siskiyou Lower Creek on trail to Blk. Mt. Comment
  CAS-BOT-BC349377  Microseris nutans H. M. Hall 1909-7-1 8676 Siskiyou Salmon Mountain. Salmon River 1615 Comment
  RSA237492  Microseris nutans Frederick W. Oettinger 1969-7-11 966 Siskiyou Southeast-facing slope on English Lake trail. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area 1829 Comment
  HSC43335  Microsteris gracilis Maralyn O'Meara 1974-5-27 476 Siskiyou Along FS Rd. 47N03 1646 Comment
  JEPS11704  Mimulus breweri F. W. Pennell 1940-7-19 26197 Siskiyou Mount Shasta 1981 Comment
  UC1034025  Mimulus breweri Francis W. Pennell 1940-7-19 26197 Siskiyou Ashy meadow Mount Shasta 1981 Comment
  HSC45047  Mimulus breweri J. O. Sawyer 1978-6-19 3257 Siskiyou Marble Mountain Wilderness Area; along trail in Bug Gulch 1524 Comment
  RSA529963  Mimulus breweri D. W. Taylor, G. L. Clifton, R. E. Palmer 1987-6-7 9021 Siskiyou S end of Saddle Hills 1646 Comment
  UC905631  Mimulus cardinalis William M. Hiesey 1947-8-23 555 Siskiyou 1 mi w Beaver Creek (along Highway 96, 2 mi n of Walker); Klamath River Comment
  JEPS80572  Mimulus guttatus Gilbert Muth 1965-8-3 157 Siskiyou Marble Valley Marble Mt. Wilderness Area 1792 Comment
  UC1034613  Mimulus guttatus Douglas Barbe 1955-6-28 23 Siskiyou 0.8 mi n Callahan; Klamath Mountains 1005 Comment
  RSA237548  Mimulus guttatus Frederick W. Oettinger 1969-8-22 1496 Siskiyou North side of Horse's Hole near Horse Range Lake. The Salmon Mountains. The High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1860 Comment
  UC445160  Mimulus layneae W. A. Setchell, C. C. Dobie 1902-7-21 Siskiyou Sisson, 18th Crossing Mount Shasta Comment
  HSC423  Mimulus moschatus William J. Ferlatte 1966-8-3 282 Siskiyou Josephine Lake Basin 1677 Comment
  HSC425  Mimulus moschatus William J. Ferlatte 1966-8-18 410 Siskiyou 3 mi. S of Big Flat 1585 Comment
  JEPS83034  Mimulus nanus L. R. Heckard with L. Constance and R. Ornduff 1969-6-24 2292 Siskiyou n of Mount Shasta (along U.S. Highway 97, 0.2 mi n of Yreka Road junction); U.S. Highway 97 Comment
  HSC91020  Mimulus nanus Jennifer Whipple 1977-8-4 2147 Siskiyou Trinity and Siskiyou Counties: Summit region of Mt. Eddy 2622 Comment
  JEPS86998  Mimulus nanus var. jepsonii David M. Thompson 1988-6-4 932 Siskiyou 8.0 mi e McCloud (along Hwy 89, sw corner of jct of Bigelow Meadows Road and hwy, opposite hwy from USFS Road 40N16, 2.4 mi w of turnoff for Cattle Camp) 1300 Comment
  UC164053  Mimulus nanus var. nanus Geo. D. Butler 1909-7-15 928 Siskiyou Highland Mine Comment
  RSA59506  Mimulus nanus var. nanus E. K. Balls 1950-5-16 14708 Siskiyou Caldwell Butte, east slope. Lava beds Nat'l Monument. 1646 Comment
  RSA82884  Mimulus primuloides J. M. Tucker 1950-7-24 1950 Siskiyou Beside Cold Creek at the Militry Road crossing about 6 miles northwest of Pilgrim Creek Experiment Station, east side of Mt. Shasta. Comment
  HSC91003  Mimulus primuloides var. linearifolius Jennifer Whipple 1976-9-3 1781 Siskiyou Mt. Eddy, W-facing slope of the ridge between Durney Lake and Little Crater Lake 2287 Comment
  POM43846  Mimulus primuloides var. pilosellus Geo. D. Butler 1910-7-9 1699 Siskiyou Shackleford Creek. 1220 Comment
  CAS-BOT-BC388880  Minuartia douglasii A. A. Heller 1905-6-20 8084 Siskiyou About midway between Igerna and Weed Comment
  HSC25490  Minuartia nuttallii subsp. gregaria J. P. Smith, J. O. Sawyer, Maralyn O'Meara 1972-7-3 5718 Siskiyou E slope of Kangaroo Mtn., above Toehead Lake. 1890 Comment
  POM101138  Minuartia nuttallii subsp. gregaria Geo. D. Butler 1910-7-4 1638 Siskiyou Goosenest foothills. 1220 Comment
  LA45327  Minuartia nuttallii var. gregaria Louis Wheeler; 1934-6-29 2828 Siskiyou Sskiyou Mountains, Sterling Mountain, Soda Creek 1066 Comment
  CAS-BOT-BC181159  Minuartia rubella John Thomas Howell 1939-8-8 15171 Siskiyou Black Mt., Marble Mts. Comment
  SEINET4853160  Minuartia stolonifera Unknown 1985-6-19 7839 Siskiyou Along south side of State Rt. 3, 3.1 m N of Scott Mountain Pass. 1220 Comment
  JEPS61326  Mirabilis greenei Geo. D. Butler 1909-5-16 774 Siskiyou Hill e of Yreka Comment
  CAS-BOT-BC229607  Mirabilis greenei Geo. D. Butler 1910-5-11 1334 Siskiyou Shasta Valley Comment
  CAS-BOT-BC433061  Mitella pentandra Wm. Bridge Cooke 1938-9-8 11656 Siskiyou Mount Shasta. Squaw Creek, Heather Meadows. On the banks of the Squaw Creek. Also at Panther Creek. Comment
  RSA211102  Mitella pentandra William J. Ferlatte 1967-7-9 686 Siskiyou Kidd Creek Trail. Trinity Alps. 1677 Comment
  RSA238319  Mitella pentandra Frederick W. Oettinger 1968-8-10 459 Siskiyou Old trail along rock slide between Diamond Lake and Hancock Lake. Salmon Mtns. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1974 Comment
  JEPS23553  Mitella trifida Rimo Bacigalupi with Arthur and Ruby Van Deventer and Don Liles 1959-7-9 7255 Siskiyou Poker Flat Siskiyou Mountains 1536 Comment
  SEINET12219614  Mitella trifida H. P. Chandler 1901-1 1555 a Siskiyou near Marble Mountain 1829 Comment
  UC1046529  Mitella trifida R. Bacigalupi, L. Constance, J. P. Tracy, R. Moran, R. L. Rodriguez, and S. Carlquist 1951-6-16 3448 Siskiyou near summit of Takilma-Happy Camp Road (Del Norte-Siskiyou Co. line); Siskiyou Mountains, Vicinity of Poker Flat 1630 Comment
  UC1408865  Mitella trifida Frederick W. Oettinger 1969-8-22 1484 Siskiyou Pierce's Draw Salmon Mountains, Marble Mountain Wilderness Area, Vicinity (head, w Siskiyou Co.) 1828 Comment
  UC637081  Moehringia macrophylla Edward Lee 1934-8-13 1081 Siskiyou Happy Camp to Waldo (Oregon) road (watershed of West Branch of Indian Creek, Klamath National Forest); Klamath National Forest, watershed of West Branch Indian Cre 1463 Comment
  CAS-BOT-BC221815  Monardella odoratissima H. M. Hall; E. B. Babcock 1903-6-1 4057 Siskiyou Mount Shasta. Sisson 1036 Comment
  CAS-BOT-BC222029  Monardella odoratissima subsp. glauca Alice Eastwood 1923-5-23 11914 Siskiyou Cantara, S.R.R.R. Comment
  CAS-BOT-BC220358  Monardella odoratissima subsp. pallida J. G. M. 1969-8-6 s.n. Siskiyou Boulder Peak Comment
  CAS-BOT-BC222176  Monardella odoratissima subsp. pallida J. M. Tucker 1963-8-19 3785 Siskiyou Headwaters of Canyon Creek, Marble Mountain Wilderness Area 1920 Comment
  SBBG25897  Monardella odoratissima subsp. pallida D. Myrick 1966-8-8 1497 Siskiyou Mountain Meadow Ranch, Big Flat 1524 Comment
  CDA40783  Monardella sheltonii J. Anslem 1958-7-1 670 -58 Siskiyou Scott s Bar. 0 Comment
  SEINET10498958  Monardella villosa subsp. subserrata Morris 1973-6-2 MORRIS 362 Siskiyou Jct of shasta and klamath rivers on hwy 263 Comment
  JEPS43183  Montia dichotoma Geo. D. Butler 1909-3-23 677 Siskiyou Oro Fino Comment
  RSA760929  Montia dichotoma R. F. Thorne, Frederick W. Oettinger 1969-8-4 63381 Siskiyou Klamath National Forest, Salmon Mountains, Marble Mountain Wilderness Area, high lake basins in the vicinity of English Peak 1768 Comment
  HSC49917  Montia linearis Maralyn O'Meara 1974-5-25 410 Siskiyou On Rd. 8, ~4.7 mi. W of junction with Hwy. 3 1159 Comment
  HSC64309  Montia parvifolia J. P. Smith 1976-5-5 8706 Siskiyou Road between Forks of Salmon and Somes Bar. 366 Comment
  UCD86503  Muhlenbergia andina R. Tofsrud 1950-7-24 s.n. Siskiyou E. side of Mt. Shasta. Cold Creek. Comment
  SEINET206452 Image available Muhlenbergia filiformis Rimo Bacigalupi, Mr. Deventer; Mrs. Deventer 1959-7-10 7308 Siskiyou Meadow at Twin Valley Siskiyou Mts. just east of Del Norte County line; 4 air-line miles north-northeast of Preston Peak. 1494 Comment
  JEPS95094  Muhlenbergia jonesii Vernon Oswald and Lowell Ahart 1997-7-28 8784 Siskiyou Forest Route 56 (42N56) 3.7 mi e of Forest Route 49, edge of Burnt Lava Flow Virgin Area at Yellow Jacket Ice Cave Yellow Jacket Ice Cave; Burnt Lava Flow Virgin Area at Yellow Jacket Ice Cave 1755 Comment
  HSC33994  Myosotis discolor J. P. Smith 1974-5-25 7477 Siskiyou Along Rd. 8, 4.7 mi. W of its junction with Hwy. 3 1159 Comment
  SEINET515857  Nama lobbii Vernon H. Oswald 1998-9-8 9610 Siskiyou USFS 3 ca. 0.8 mi west of Julia Glover Flat, ca. 6 air mi west of Mosquito Lake and Whitehorse Flat Reservoir, ca. 2 air mi northwest of Indian Spring Mtn. 1128 Comment
  CDA33237  Narthecium californicum Gordon Leppig, Jennifer Kalt 1996-7-9 366 Siskiyou Northern California Peatlands; Klamath National Forest; Russian Wilderness, Little Duck Lake Fen; cirque west of Little Duck Lake. Comment
  HSC564  Narthecium californicum William J. Ferlatte 1967-6-27 530 Siskiyou Big Flat, between campground and S Fork of the Salmon River 1524 Comment
  RSA768926  Nasturtium officinale L. Ahart, John Dittes 2010-7-30 16960 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
  HSC30630  Navarretia capillaris Frederick W. Oettinger 1969-7-18 1055 Siskiyou Marble Mtn. Wilderness Area, SW of Upper English Lake 1921 Comment
  HSC78318  Navarretia capillaris L. P. Janeway 1983-8-16 561 Siskiyou Poker Flat 1524 Comment
  HSC30631  Navarretia capillaris Frederick W. Oettinger 1969-7-9 939 Siskiyou Marble Mtn. Wilderness Area, NW of Upper English Lake 1951 Comment
  RSA237999  Navarretia capillaris Frederick W. Oettinger 1969-7-18 1055 Siskiyou Southwest of Upper English Lake, Salmon Mountains. High Lake Basins in the Vicinity of English Peak. Marble Mountain Wilderness Area. 1921 Comment
  UC1409296  Navarretia capillaris Frederick W. Oettinger and R. F. Thorne 1969-8-8 1306 Siskiyou drying meadow near English Lake (High Lake basins in vicinity of English Peak, Marble Mountain Wilderness Area, Salmon Mountains, western Siskiyou County); Salmon Mountains, Marble Mountain Wilderness, nr English Lak 1828 Comment
  UCD106100  Navarretia capillaris Herbert L. Mason 1948-7-17 13597 Siskiyou Eastern Grass Lake. Comment
  UC101970  Navarretia intertexta H. E. Brown Jun 11 1897-Jun 16 1897 301 Siskiyou n side Mt. Shasta 1524 Comment
  UCD119923  Nemophila parviflora var. austiniae J. M. Tucker 1963-7-5 3709 Siskiyou South Russian Creek (a tributary of the Salmon River), ca. 3 miles (airline) east of Finley Camp, road from Etna to Sawyer's Bar. Comment
  CDA40352  Nemophila pedunculata F. D. Horn 1978-3-1 s.n. Siskiyou Shasta River Canyon, Yreka. 0 Comment
  RSA426669  Nicotiana acuminata Louis C. Wheeler 1934-6-2 2612 Siskiyou Oak Knoll Ranger Station, Klamath River. Siskiyou Mtns. 671 Comment
  HSC67615  Nicotiana attenuata J. P. Smith, Steve Selva 1970-8-8 4574 Siskiyou Lava Beds National Monument Comment
  SEINET6174145  Nicotiana attenuata G. D. Butler 1910-7-1 1618 Siskiyou Dry field near Yreka. Comment
  POM211189  Nicotiana bigelovii Louis C. Wheeler 1934-9-17 3273 Siskiyou Dutch Creek off Klamath River, Siskiyou Mtns. (Mt Diablo Mer) 610 Comment
  RSA426687  Nicotiana bigelovii Edwin Kline 1920-06 14857 Siskiyou Siskiyou Mtns. Comment
  CAS-BOT-BC60583  Noccaea fendleri subsp. glauca John Thomas Howell; T. C. Fuller; G. D. Barbe 1980-4-29 53446 Siskiyou 7 miles east of Callahan on road to Gazelle. 1173 Comment
  UC1299298  Nothocalais alpestris Freed W. Hoffman 1950-7-13 3557 Siskiyou Baldy High Peak Comment
  UC455517  Nothocalais alpestris I. J. Condit 1911-7-27 Siskiyou near Sisson; Castle Lake 1828 Comment
  HSC27252  Nothocalais troximoides J. P. Smith, J. O. Sawyer 1972-5-7 5284 Siskiyou 2.3 mi. W of Lava Beds National Monument, on road to Mtn. Dome. 1220 Comment
  HSC22484  Nuphar polysepala J. O. Sawyer 1969-8-1 1594 Siskiyou Above Horseshoe Lake 1921 Comment
  UC4246  Olsynium douglasii var. douglasii F. W. Hooper 1897-3-27 Siskiyou Little Shasta Comment
  CAS-BOT-BC349959  Onopordum tauricum T. C. Fuller 1959-12-10 3324 Siskiyou Fred Voelker ranch, W edge/Meiss Lake Basin, just S/Sam's Neck, ca. 15 mi SW/Dorris Comment
  UC1276071  Onopordum tauricum T. C. Fuller 1959-12-10 3324 Siskiyou just s of Sam's Neck; Fred Voelker ranch, Meiss Lake Basin, Dorris Comment
  SEINET13262927  Onychium densum Unknown 1968-8-23 610 Siskiyou PLANTS OF THE SALMON MOUNTAINS. THE HIGH LAKE BASINS IN THE VICINITY OF ENGLISH PEAK, MARBLE MOUNTAIN WILDERNESS AREA. due e. and 50 feet below Diamond Lake at base of sheer cliff. 2057 Comment
  SEINET8245378  Oreostemma alpigenum A. A. Heller 1915-8-26 12225 Siskiyou Heather meadow near the head of Wagon creek canyon; Mt. Eddy. 2591 Comment
  SEINET5708888 Image available Oreostemma alpigenum var. andersonii Lowell E. Urbatsch, Vesna Karaman, Castro 2000-1 7704 Siskiyou Scott Mts. Collected along Road 17, 12.7 miles SW from the intersection of I-5 and Stewart Springs road.; Scott Mountains 2036 Comment
  CAS-BOT-BC499825  Orobanche corymbosa subsp. corymbosa John Thomas Howell 1934-7-4 12387 Siskiyou SE corner of Siskiyou county: between Timbered Crater and Little Hot Springs Valley Comment
  HSC77040  Orogenia fusiformis K. T. Stillman 1976-6-18 23 Siskiyou Marble Mountain Wilderness Area, Skyhigh Lakes 1707 Comment
  UC1190162  Orthilia secunda Ira L. Wiggins 1955-7-24 13495 Siskiyou Ridge between upper reaches of China & Blind Horse Creeks 1645 Comment
  UC1483529  Orthilia secunda John Palmer 1980-8-12 685 Siskiyou Condry Mtn. Southeast of Wards Gap. 1188 Comment
  CAS-BOT-BC458085  Orthilia secunda Doris K. Kildale 1928-7-4 5477 Siskiyou 3 miles W of Summit of divide between Sawyers Bar and Etna Mills Comment
  CAS-BOT-BC266624  Orthocarpus cuspidatus R. C. Wenk 2005-7-19 345 Siskiyou Border between Siskiyou and Trinity Counties, National Forest Road 17, parking lot where Pacific Crest Trail crosses road at top of pass 2090 Comment
  HSC27331  Orthocarpus cuspidatus subsp. copelandii J. P. Smith, J. O. Sawyer, Maralyn O'Meara 1972-7-3 5713 Siskiyou E slope of Kangaroo Mtn., above Toehead Lake. 1890 Comment
  JEPS9404  Orthocarpus cuspidatus subsp. copelandii Geo. D. Butler 1908-8-4 53 Siskiyou head of Shackleford Creek 1828 Comment
  UC903488  Orthocarpus cuspidatus subsp. cuspidatus Dorothy Parker 1948-7-11 101 Siskiyou near Beswick (Shovel Creek); , near Beswick 1011 Comment
  RSA48232  Orthocarpus lacerus Roxana S. Ferris, Laura Lorraine 1948-6-12 11787 Siskiyou Scott Mountain Road south of Callahan. Comment
  SEINET10913365 Image available Orthocarpus pachystachyus Edward L. Greene 1876-5-26 Greene 813 Siskiyou Collected near Yreka. Siskiyou County. Comment
  HSC22168  Osmorhiza berteroi J. O. Sawyer 1969-7-12 1355 Siskiyou Edge of Sugar Lake 1799 Comment
  UC726880  Osmorhiza berteroi A. A. Heller 1916-7-20 12467 Siskiyou Metcalf's Ranch Mt. Eddy (ne base of mt.) 1188 Comment
  JEPS25819  Osmorhiza occidentalis Geo. D. Butler 1908-7-20 455 Siskiyou near Yreka (head of gulch); Long Gulch Comment
  CAS-BOT-BC413217  Oxyria digyna Wm. Bridge Cooke 1938-9-8 11651 Siskiyou Mount Shasta. North side of Red Butte Comment
  CAS-BOT-BC316761  Packera cana Marion L. Campbell 1916-7-15 s.n. Siskiyou Moraine Lake to Arroyo Creek Comment
  UC1299443  Packera cana Freed W. Hoffman 1950-7-11 3562 Siskiyou Cedar Camp Road 19.5 mi n Klamath River Comment
  UC1299453  Packera cana Freed W. Hoffman 1950-7-13 3559 Siskiyou Clear Creek trail from Baldy Lookout Comment
  UCSC004589  Panicum capillare Randall Morgan 2004-5-31 4177 Siskiyou Castle Crags State Park, Sacramento River Comment
  CDA3570  Papaver rhoeas D. Bush 1967-8-2 Siskiyou Southern Pacific Railroad right of way, Hatfield. 0 Comment
  CAS-BOT-BC259614  Pascopyrum smithii H. S. Yates 1936-6-21 5814 Siskiyou 6 miles N of Gazelle 792 Comment
  CAS-BOT-BC202853  Paxistima myrsinites Doris K. Kildale 1929-7-21 8740 Siskiyou Elk Lick, south fork Indian Creek 1219 Comment
  HSC43329  Paxistima myrsinites Maralyn O'Meara 1974-5-26 470 Siskiyou Chandler Glade 1768 Comment
  JEPS9620  Paxistima myrsinites Geo. D. Butler 1908-8-5 20 Siskiyou Woolly Creek Comment
  POM278268  Paxistima myrsinites Lyman Benson 1929-3-26 1066 Siskiyou Mt. Shasta; Shoulder of mountain on Pacific Highway. Comment
  UC1045278  Paxistima myrsinites W. Bridge Cooke 1940-6-6 15035 Siskiyou along Castle Lake Rd. Castle Lake Rd. Comment
  UC133560  Paxistima myrsinites A. A. Heller 1905-6-5 7976 Siskiyou between Shasta Retreat Shasta Springs Comment
  UC54486  Paxistima myrsinites H. M. Hall and E. B. Babcock June, 1903 4075 Siskiyou near Upton; Sierra Nevada Mts., Mt. Shasta 1219 Comment
  CAS-BOT-BC202830  Paxistima myrsinites W. R. Dudley 1893-6-21 s.n. Siskiyou Mt. Shasta Trail Comment
  HSC293  Pedicularis attollens William J. Ferlatte 1966-8-17 396 Siskiyou Caribou Basin 1982 Comment
  HSC91148  Pedicularis attollens Jennifer Whipple 1976-7-23 1525 Siskiyou Dale Creek drainage on the N face of Mt. Eddy 2195 Comment
  HSC19150  Pedicularis contorta J. O. Sawyer 1969-8-3 1776 Siskiyou Near Little Duck Lake 2073 Comment
  HSC4827  Pedicularis contorta J. O. Sawyer 1968-7-23 586 Siskiyou Along trail from Brown's Valley to Caribou Basin including areas around Snowslide Lake and Caribou Lake. 1829 Comment
  HSC688  Pedicularis contorta William J. Ferlatte 1967-8-20 1064 Siskiyou Caribou Basin 1982 Comment
  UC1005596  Pedicularis densiflora Frank W. Gould 1940-5-15 1242 Siskiyou on road from Mount Hebron to Montaque; Bald Mountain 1676 Comment
  UC1333319  Pedicularis densiflora Dorothy Parker 1949-5-26 Siskiyou Sugar Creek; Salmon Mountain Range 1676 Comment
  HSC12277  Pedicularis racemosa R. W. Spjut 1970-7-17 448 Siskiyou 16 mi. W of Mt. Shasta at Gumboot Lake, NW corner of lake 1829 Comment
  POM210647  Pedicularis racemosa Louis C. Wheeler 1934-6-12 2702 Siskiyou Hungry Creek, Siskiyou Mts. (Mt Diablo Meridian) 1280 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
  HSC67793  Pedicularis semibarbata J. O. Sawyer, J. Cole 1980-7-20 3746 Siskiyou 2 mi. N of Little Glass Mtn., on road connecting FS Rd. 45N05 with FS Rd. 47N75 1875 Comment
  RSA686812  Pellaea brachyptera L. L. Kiefer 1963-8-9 721 Siskiyou West of town of Mount Shasta, county road off road to Castle Lake, between Wagon and Deer Creek bridges 1220 Comment
  RSA87592  Pellaea brachyptera Arthur R. Kruckeberg 1951-9-3 2802 Siskiyou On open dirt road above Joe Spini Ranch, just west of town of Mount Shasta, across river, between Wagon Creek and Deer Creek Bridges Comment
  UCR101142  Pellaea brachyptera L. C. Wheeler 1959-7-26 7609 Siskiyou Marble Mountains: near summit of Ukonom Mountain. 1402 Comment
  CAS-BOT-BC67670  Pellaea breweri J. M. Tucker 1963-8-18 3760 Siskiyou Marble Mountain Wilderness Area - southwestern ride of Black Marble Mountain. 2133 Comment
  UCSB25541  Pellaea mucronata Keefe, Joseph 1967-7-11 Siskiyou Cook and Green Pass Road; 21.3 miles north of Seiad Valley 1310 Comment
  RSA331964  Penstemon anguineus Walter Wisura, Dave Kelly 1985-7-30 4073 Siskiyou Along forestry road 47N63 near Siskiyou Summit, N of Horse Creek on Hwy 96. Comment
  UC1174941  Penstemon anguineus P. C. Everett and E. K. Balls 1959-10-23 23941 Siskiyou 4.6 mi sw from Etna on rd from Callaban to Somesbar (Salmon Mts.); , sw from Etna on rd fr Callaban to Somesbar 1767 Comment
  SEINET7073520  Penstemon centranthifolius 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
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Jul 13 2018
  SEINET7073531  Penstemon centranthifolius A. G. Vestal 1963-6-1 s.n. Siskiyou Road to Dwinnell Reservoir [Lake Shastina]. UTM Zone 10, 548518mN, 4593966mN. Coordinate datum: NAD27. Comment
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Jul 13 2018
  CLARK-A1528-1220  Penstemon davidsonii John C. Roos 1948-9-1 3983 Siskiyou Etna Comment
  CAS-BOT-BC265379  Penstemon davidsonii var. davidsonii Alice Eastwood 1921-7-28 10889 Siskiyou Little Mount Hoffman Comment
  POM299522  Penstemon davidsonii var. davidsonii Marion Ownbey, Fred G. Meyer 1940-7-4 2185 Siskiyou On ridge above head of Brewer Creek, east side of Mt. Shasta. Comment
  HSC68510  Penstemon deustus Maralyn A. Renner 1980-6-8 825 Siskiyou Slopes N of Moffett Creek 945 Comment
  JEPS11235  Penstemon deustus var. deustus W. L. Jepson July, 1894 21421 Siskiyou n Sisson (Muir Peak (Black Butte)); , n of Sisson Comment
  NY609840  Penstemon deustus var. suffrutescens A. A. Heller 1905-6-8 7998 Siskiyou Yreka Comment
  CHSC26190  Penstemon gracilentus J. P. Kroessing 1977-8-5 55 Siskiyou At Panther Meadow Campground, ca 14 km e on Everitt Memorial Hwy, and 6 km s of Mt Shasta Peak. 2270 Comment
  CHSC30326  Penstemon gracilentus M. S. Taylor 1980-8-19 3269 A Siskiyou On se side of 42N50, on Hemlock Ridge, ca. 7.5 mi s of Tennant. 1828 Comment
  JEPS11264  Penstemon gracilentus W. L. Jepson 1894-8-4 21431 Siskiyou near Horse Camp (snow line Mount Shasta); Mount Shasta near Horse Camp Comment
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Jan 18 2009
  NY600709  Penstemon gracilentus F. M. Ownbey 1940-7-3 2195 Siskiyou Near timber line on east side of Mt. Shasta Comment
  CDA41856  Penstemon laetus subsp. sagittatus L. Ahart, John Dittes 2005-6-9 12029 Siskiyou About 100 yards northeast of where cattle water in the Shasta River, about 3/5 mile (air) south of Highway 99/97 Cutoff, about 2 1/2 miles (air) east-southeast of Grenada. Comment
  UCR37542  Penstemon laetus subsp. sagittatus L. P. Janeway 1983-8-13 527 Siskiyou S side of upper S Fork Indian Creek 1311 Comment
  CHSC71332  Penstemon laetus var. sagittatus Vernon H. Oswald; Lowell Ahart 1998-6-11 9191 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
  JEPS23765  Penstemon laetus var. sagittatus Rimo Bacigalupi with Drs. Reino and Aloha Alava 1958-8-31 6763 Siskiyou along SP (Shasta Route) railway grade upper Sacramento River Canyon (in the 1 1/2 mi stretch between Shasta Retreat (at northern outskirts of Dunsmuir) to Mossbrae Falls and Shasta Springs) 731 Comment
  NY604562  Penstemon laetus var. sagittatus A. A. Heller 1920-7-9 13431 Siskiyou Near the summit of Mount Eddy 2590.8 Comment
  NY604565  Penstemon laetus var. sagittatus C. L. Hitchcock 1939-7-6 5210 Siskiyou On Takilma-Happy Camp road 1676.4 Comment
  SD98974  Penstemon laetus var. sagittatus Darley F. Howe 1977-7-5 5000 Siskiyou 15 mi. SE of Granada 1219 Comment
  UC725620  Penstemon laetus var. sagittatus A. A. Heller 1938-7-12 15257 Siskiyou sixteen mi ne Weed (near the base of Deer Mt.); near base Deer Mt., ne of Weed Comment
  NY604564  Penstemon laetus var. sagittatus A. A. Heller 1938-7-12 15257 Siskiyou Along U.S. Highway 97, near the western base of Deer Mountain Comment
  SEINET5328855 Image available Penstemon laetus var. sagittatus G. Butler 1910-5-11 1338 Siskiyou Shasta Valley Comment
  SBBG21851  Penstemon newberryi D. Myrick 1964-7-25 949 Siskiyou Shasta Ski Bowl Hwy, Mt Shasta 1524 Comment
  SBBG30585  Penstemon newberryi D. Myrick 1968-6-27 2035 Siskiyou just above Carter's Ranch, 5 mi S of Big Flat 1676 Comment
  UCD124310  Penstemon newberryi A. H. Murphy 1959-7-22 59 P Siskiyou Shasta National Forest, Porcupine Lake. 2286 Comment
  HSC4836  Penstemon newberryi subsp. berryi J. O. Sawyer 1968-7-23 613 Siskiyou Along trail from Brown's Valley to Caribou Basin including areas around Snowslide Lake and Caribou Lake. 1829 Comment
  JEPS74527  Penstemon newberryi var. berryi W. J. Ferlatte 1966-6-22 75 Siskiyou Josephine Lake Basin Trinity Alps 1676 Comment
  NY627432  Penstemon newberryi var. berryi F. W. Pennell 1940-7-17 26170 Siskiyou Salmon Mountains, west of Etna 1828.8 Comment
  LA209543  Penstemon newberryi var. newberryi Wm. Bridge Cooke; 1938-6-17 11010 Siskiyou Mount Shasta, along the Sisson Southern Trail 1584 Comment
  HSC19163  Penstemon parvulus J. O. Sawyer 1969-7-1 962 Siskiyou NE facing upper slope above Paynes Lake Creek 1784 Comment
  RSA215651  Penstemon procerus subsp. brachyanthus Gilbert Muth 1969-8-6 1219 Siskiyou Boulder Peak. 2530 Comment
  UC1408761  Penstemon procerus var. brachyanthus Frederick W. Oettinger 1968-8-18 570 Siskiyou w end Hancock Lake Salmon Mts., Marble Mountain Wilderness Area (high lake basins in vicinity of English Peak, Marble Mountain Wilderness area, Salmon Mountains, western Siskiyou County) 1935 Comment
  NY638943  Penstemon procerus var. brachyanthus J. T. Howell 1939-8-8 15184 Siskiyou Marble Mountains Comment
  CAS-BOT-BC239415  Penstemon rupicola C. L. Hitchcock; J. S. Martin 1939-7-6 5231 Siskiyou Peak above and north of Divide of Siskiyou Mts., on Takilma-Happy Camp road 1828 Comment
  CAS-BOT-BC6569  Penstemon speciosus Amos Arthur Heller 1905-6-8 7991 Siskiyou Yreka Comment
  JEPS11386  Penstemon speciosus Leonard Joss 1922-1 Siskiyou Etna Mills Comment
  JEPS11508  Penstemon speciosus W. L. Jepson 1894-8-4 21432 Siskiyou Mt. Shasta Comment
  JEPS23799  Penstemon speciosus Rimo Bacigalupi with George Bacigalupi Jr. 1959-7-1 7208 Siskiyou at broadening base of Mt. Shasta 1676 Comment
  HSC65427  Perideridia leptocarpa D. Reed 1980-8-19 299 Siskiyou Above Scott River Rd., just E of Jones Beach 762 Comment
  UC1446414  Perideridia oregana Laura Witherspoon 1980-9-17 124 Siskiyou Oak Knoll Ranger District 762 Comment
  RSA211473  Perideridia parishii subsp. latifolia William J. Ferlatte 1966-8-16 371 Siskiyou Trinity Alps: Big Flat Hillside, between campground and S. Fork of the Salmon River 1524 Comment
  HSC30471  Persicaria maculosa Frederick W. Oettinger 1969-8-29 1562 Siskiyou Between 4th and 5th river crossing, Main N Fork Trail, Salmon Mtns. Comment
  CAS-BOT-BC330261  Petasites frigidus var. palmatus L. E. Smith 1915-4-25 s.n. Siskiyou Sisson Comment
  CAS-BOT-BC142703  Phacelia cookei W. B. Cooke; V. G. Cooke 1972-6-30 45419 Siskiyou Military Pass Road, Mt. Shasta. In margins of road. 1524 Comment
  HSC68576  Phacelia corymbosa Maralyn A. Renner 1980-6-23 981 Siskiyou W Fork Seiad Creek 878 Comment
  HSC76892  Phacelia corymbosa K. T. Stillman 1976-7-7 159 Siskiyou Marble Mtn. Wilderness Area 1982 Comment
  JEPS57181  Phacelia corymbosa L. R. Heckard 1967-8-13 1694 Siskiyou s-facing slope near summit Mt. Eddy 2712 Comment
  SD120823  Phacelia corymbosa L. R. Heckard 1967-8-13 1694 Siskiyou Near Summit Mt Eddy, south facing slope 2713 Comment
  RSA0003820  Phacelia corymbosa W. L. Jepson 1914-8-14 6161 Siskiyou Dunsmuir. 671 Comment
  UC1228351  Phacelia corymbosa L. R. Heckard 1956-8-7 826 Siskiyou about 2 mi s railway station (above Sacramento River); Dunsmuir 731 Comment
  POM73771  Phacelia egena Geo. D. Butler 1910-5-4 1280 Siskiyou Dry hill near Yreka Comment
  CHSC57430  Phacelia greenei L. P. Janeway 1984-6-22 867 Siskiyou Ca 1 mi north of Scott Summitt on Road 40N08. 1645 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
  HSC65581  Phacelia hastata R. White 1977-7-1 93 Siskiyou Top of Sawtooth Mtn. 1761 Comment
  JEPS2136  Phacelia hastata W. L. Jepson 1940-6-23 20012 Siskiyou n Mt. Shasta; Andesite sta. 975 Comment
  CHSC70133  Phacelia hastata subsp. compacta Jennifer Whipple 1976-7-2 1268 Siskiyou Klamath Mountains. Mount Eddy. Dobkins Lake drainage on east facing slopes above Dobkins Lake. 2316 Comment
  UC24409  Phacelia heterophylla subsp. virgata T. H. Gilbert June 1899 Siskiyou Scott River Valley Comment
  POM252978  Phacelia heterophylla subsp. virgata A. A. Heller 1938-7-12 15256 Siskiyou Near the western base of Deer Mountain on Highway 97. Comment
  POM73741  Phacelia heterophylla subsp. virgata Geo. D. Butler 1910-5-22 1386 Siskiyou Yreka Creek. Comment
  HSC19147  Phacelia mutabilis J. O. Sawyer 1969-8-1 1667 Siskiyou SE facing slope above Duck Lake Creek 1951 Comment
  UC711858  Phacelia mutabilis Roxana S. Ferris and Laura Lorraine 1941-8-11 10506 Siskiyou slopes above Medicine Lake; Shasta National Forest Comment
  JEPS25671  Phacelia mutabilis Rimo Bacigalupi with Mr. and Mrs. Van Deventer 1959-7-10 7316 Siskiyou near but not on small serpentine area at ridge-top marking Del Norte-Siskiyou Co. boundary Siskiyou Mts. (which is followed by jeep road between Poker Flat and Twin Valley) 1664 Comment
  SD211619  Phacelia pringlei Barbara Ertter 1990-7-14 9338 Siskiyou Wagon Creek on East side of Mount Eddy, circa 4 airmiles West of Mount Shasta City, along creek, where several forks join before steep drop. 1829 Comment
  JEPS93894  Phalaris arundinacea Vernon H. Oswald and Lowell Ahart 1998-7-21 9327 Siskiyou Highway 97 between Weed and Macdoel (at w end of Grass Lake); Grass Lake, Highway 97 1524 Comment
  CAS-BOT-BC77433  Philadelphus lewisii L. B. Kildale 1929-6-25 8361 Siskiyou Klamath River, 6 miles north of Hornbrook Comment
  HSC19151  Philadelphus lewisii J. O. Sawyer 1969-7-11 853 Siskiyou Ravine above C.C.C. road. 1280 Comment
  UC1037415  Philadelphus lewisii Douglas Barbe 1955-8-4 358 Siskiyou about 1/2 mi w Big Flat (on trail to Caribou Lake); Klamath Mountains, Salmon Mountains 1524 Comment
  RSA0057592  Philadelphus lewisii G. D. Barbe 1955-6-27 s.n. Siskiyou 0.8 mi north of Callahan in the dredgings near Hjertagers Mill. 976 Comment
  RSA211245  Phleum alpinum William J. Ferlatte 1967-8-23 1110 Siskiyou Kidd Creek Trail. Trinity Alps. 2134 Comment
  RSA105397  Phleum pratense G. D. Barbe 1955-7-5 109 Siskiyou At Greenview city limit on Highway to Fort Jones; Klamath Mountains 884 Comment
  SDSU3230  Phlox adsurgens D. F. Howe 1972-7-5 4876 Siskiyou 0.6 mile south if Oregon State line on orad to Happy Camp. 1707 Comment
  CAS-BOT-BC94940  Phlox diffusa R. C. Wenk 2006-7-23 525 Siskiyou Trinity Alps, Coffee Creek Road, Big Flat Meadow, along Yellow Rose Mine Trail to Dorleska Mine 2118 Comment
  CAS-BOT-BC94939  Phlox diffusa R. C. Wenk 2005-7-15 239 Siskiyou Trinity Alps above South Fork of the Salmon River, along the Yellow Rose Mine 2042 Comment
  JEPS82447  Phlox gracilis Gilbert Muth 1966-7-18 419 Siskiyou meadow above Marble Valley (Marble Gap Trail); Marble Mt. Wilderness Area 1828 Comment
  CAS-BOT-BC232823  Phlox hirsuta Alice Eastwood; John Thomas Howell 1934-4-20 1751 Siskiyou Near Yreka on Ft. Jones road Comment
  JEPS105405  Phlox hirsuta Dean W. Taylor 1996-5-29 15637 Siskiyou Highway 3 about 4 miles east of southern edge Yreka; Soap Creek Ridge 822 Comment
  CHSC3177  Phlox speciosa Robert D. Briggs 1966-5-13 R- 151 Siskiyou 14 miles west of Gazelle. Comment
  UC23965  Phlox speciosa subsp. nitida C. B. Bradley 1879-1 Siskiyou Comment
  HSC37541  Phoradendron bolleanum J. P. Smith 1974-5-27 7604 Siskiyou Along FS Rd. 47N03 1524 Comment
  HSC4824  Phyllodoce empetriformis J. O. Sawyer 1968-6-25 290 Siskiyou NE of N Horse Range Lake 2012 Comment
  UC1409436  Phyllodoce empetriformis Frederick W. Oettinger 1968-8-1 338 Siskiyou inlet to Little Hancock Lake (in vicinity of English Peak, Marble Mountain Wilderness Area); Salmon Mountains, Marble Mountain Wilderness Area 2042 Comment
  CAS-BOT-BC56494  Phyllodoce empetriformis W. R. Dudley 1901-8-23 s.n. Siskiyou Rocky Peak, Foxtail Ridge, Salmon Mts. Comment
  CDA5830  Physalis longifolia T. C. Fuller, Don Shaw 1977-8-3 20221 Siskiyou South of Willow Creek Road, 10 km northeast of Montague. 0 Comment
  UCSB13155  Physocarpus capitatus Breedlove, Dennis 1962-6-10 Siskiyou North bank of the Klamath River at its junction with Goff Creek, 4.5 miles west of Seiad 411 Comment
  CAS-BOT-BC73474  Picea breweriana John Thomas Howell 1939-8-2 14900 Siskiyou Spirit Lake, Marble Mts. 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
  CAS-BOT-BC78164  Picea breweriana Roxana S. Ferris; Doris K. Kildale 1928-8-19 (K) 6534 Siskiyou Summit of Divide between English + Hancock Lake - trail to Marble Mt. 2194 Comment
  LA86569  Picea breweriana J. M. Tucker; 1963-7-5 3698 Siskiyou Blake's Fork of S Russian Creek (a tributary of Salmon River), ca. 7 mi (airline) E of Sawyer's Bar 1615 Comment
  SJSU14645  Picea breweriana C. L. Schmidt 1981-8-13 Siskiyou Josephine Lake near Sawtooth Ridge, Trinity Alps 1950 Comment
  UCD134305  Picea breweriana G. L. Stebbins 1963-7-5 s.n. Siskiyou Blake's Fork of South Russian Creek (a tributary of Salmon River), ca. 7 miles (airline) east of Sawyer's Bar, Salmon Mountains. 1615 Comment
  CAS-BOT-BC78165  Picea breweriana William R. Dudley 1899-7-5 s.n. Siskiyou Spur of Siskiyou Mts. between branches of Illinois River 2133 Comment
  POM264685  Picea engelmannii L. E. Berriman 1940-8-30 s.n. Siskiyou Sugar Creek, a tributary of the Scott River; Mount Diablo Meridian 1433 Comment
  HSC92114  Pinus albicaulis Jennifer Whipple 1976-7-26 1587 Siskiyou Ridgecrest between Dale Creek and Dobkins Lake Drainages 2468 Comment
  UC1199672  Pinus balfouriana James B. Roof, Irja Knight 1962-10-23 Siskiyou 6 mi s Callahan (between Mill Creek Lake and Washbasin Lake); Klamath Nat. Forest, Callahan District, Scott Mts. 1828 Comment
  RSA184682  Pinus balfouriana Gilbert Muth 1966-8-6 178 Siskiyou North ridges of the Marble Rim, Marble Mounains. 2134 Comment
  HSC92115  Pinus balfouriana subsp. balfouriana Jennifer Whipple 1976-8-21 1733 Siskiyou S face of Mt. Eddy draining into N Fork of the Sacramento River 2378 Comment
  HSC103160  Pinus contorta subsp. murrayana Michael Kauffmann 2013-8-7 20 Siskiyou South China Mountain 2395 Comment
  HSC32587  Pinus contorta var. murrayana Steven Lagos 1974-5-26 92 Siskiyou Little Duck Lake and the ridge above it 2073 Comment
  MACF017420  Pinus jeffreyi Trudy R. Ericson 1974-8-8 220 Siskiyou St. Hwy. 96, between Happy Camp and Hamburg, near Seiad Valley Comment
  NY61579  Pinus jeffreyi C. G. Pringle 1882-9-7 s.n. Siskiyou This specimen represents an endangered or threatened species. The specific locality has been removed from this record to protect this species from over-collection. These data may be supplied to researchers on request. Comment
  CAS-BOT-BC78776  Pinus lambertiana Doris K. Kildale 1929-7-20 8675 Siskiyou Raspberry Lake, near east spur Preston Peak Comment
  HSC33995  Pinus lambertiana J. P. Smith 1974-5-25 7485 Siskiyou Along Rd. 8, 4.7 mi. W of its junction with Hwy. 3 1159 Comment
  RSA572072  Pinus monticola L. C. Wheeler 1934-8-26 3222 Siskiyou Trapper Creek (Mt. Diablo Mer.) 1860 Comment
  CAS-BOT-BC72869  Pinus ponderosa Doris K. Kildale 1929-5-26 9188 Siskiyou Hawkins Bar on Salmon River 609 Comment
  JEPS101155  Piperia unalascensis Dean W. Taylor 1996-6-18 15700 Siskiyou Scott Mountains; bordering Shasta Valley, hillslopes about 4 miles south of Gazelle; Shasta-Trinity National Forests 1249 Comment
  UC130660  Piperia unalascensis H. M. Hall 1909-7-1 8678 Siskiyou Salmon River Salmon Mountains 1645 Comment
  UC206170  Plagiobothrys Milo S. Baker 1898-8-1 490 Siskiyou Payne's Springs Comment
  CDA40670  Plagiobothrys nothofulvus T. C. Fuller 1958-4-16 4816 Siskiyou Giebner property, 4 miles south of Yreka. 0 Comment
  POM215851  Plagiobothrys scouleri var. hispidulus L. C. Wheeler 1934-7-3 2869 Siskiyou Soda Creek, Sterling Mt., Siskiyou Mts 1677 Comment
  CHSC93543  Plagiobothrys tenellus Lowell Ahart; John Dittes 2005-6-10 12089 Siskiyou Rocky hillside, north of the rock fence, about 100 yards southeast of the pump house along the Shasta River, about 1.9 miles (air) south of Highway 99/97 Cutoff, about 6 miles (air) east-southeast of Grenada. 776 Comment
  JEPS117461  Plantago eriopoda Lowell Ahart, John Dittes 2010-7-30 16967 Siskiyou About 10 yards south of the Shasta River, about 40 yards west of the pipe crossing the Shasta River, about 300 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 716 Comment
  SD64364  Plantago indica Darley F. Howe 1966-8-27 Siskiyou 8.5 miles north of Weed on Highway 97. 1189 Comment
  JEPS107315  Plantago lanceolata Lowell Ahart, John Dittes 2005-6-10 12118 Siskiyou Near a poor dirt road, about 80 yards north of the pump house along the Shasta River, about 1.9 miles (air) south of Highway 99/97 Cutoff, about 6 miles (air) east-southeast of Grenada 776 Comment
  RSA105438  Plantago lanceolata G. D. Barbe 1955-7-1 74 Siskiyou 1.3 miles east of Etna on the Westside Rd. to Callahan. 854 Comment
  HSC96867  Platanthera dilatata var. leucostachys Gordon Leppig, J. Cromwell 1997-7-25 576 Siskiyou Klamath National Forest, Russian Wilderness, cirque W of Little Duck Lake 2200 Comment
  HSC61294  Platanthera sparsiflora Ruby Van Deventer 1960-7-14 Siskiyou Flint Valley Comment
  HSC43855  Plectritis macrocera Maralyn O'Meara 1974-5-25 378 Siskiyou Along Rd. 8, 0.9 mi. from its junction with Hwy. 3 976 Comment
  HSC68546  Plectritis macrocera Maralyn A. Renner 1980-6-7 781 Siskiyou N of Greenhorn Rd. 1098 Comment
  RSA576933  Plectritis samolifolia Louis C. Wheeler 1934-6-4 2632 Siskiyou Hamburg Gulch off Horse Creek. (Mt. Diablo Mer.) Siskiyou Mts. 610 Comment
  UC1025004  Poa bolanderi Leo Whitney 1935-7-15 3467 Siskiyou 2 mi se Medicine Lake (near Bullseye Lake) Comment
  UCD90546  Poa bolanderi A. A. Heller 1914-8-28 11736 Siskiyou East side of Mt. Eddy. 2438 Comment
  CAS-BOT-BC254996  Poa bulbosa Morris Halperin 1930-5-17 305 Siskiyou Railroad Station, Montague Comment
  HSC33986  Poa bulbosa J. P. Smith 1974-5-25 7480 Siskiyou Along Rd. 8, 4.7 mi. W of its junction with Hwy. 3 1159 Comment
  RSA0030867  Poa bulbosa Louis C. Wheeler 1935-6-1 3536 Siskiyou Yreka Creek, Siskiyou Mts., Mt. Diablo Meridian 853 Comment
  RSA732494  Poa compressa P. M. Peterson, C. J. Sears, J. M. Saarela 2006-8-8 19743 Siskiyou 6.5 miles SW of Etna on Forest Service Rd 1C-01 towards Etna Summit. 1424 Comment
  HSC30561  Poa cusickii subsp. epilis Frederick W. Oettinger 1969-9-2 1605 Siskiyou Marble Mtn. Wilderness Area, N side of English Peak. 2165 Comment
  UCD90924  Poa cusickii subsp. epilis Rimo Bacigalupi 1959-7-1 7197 Siskiyou above Mt. Shasta Ski Bowl Lodge; southwestern slopes of Mt. Shasta. 2834 Comment
  CAS-BOT-BC246634  Poa howellii Lewis S. Rose 1945-6-18 45111 Siskiyou Horse Creek & Klamath River 502 Comment
  CDA2365  Poa pratensis G. D. Barbe, J. T. Howell, T. C. Fuller 1980-4-29 2627 Siskiyou 0.4 km northeast of Oro Fino. Comment
  CHSC89335  Poa pratensis G. Douglas Barbe; T. C. Fuller, J. T. Howell 1980-4-29 2627 Siskiyou Klamath Ranges. Beaver pond, 0.25 miles northeast of Oro Fino. 883 Comment
  JEPS81691  Poa pringlei L. R. Heckard 1967-8-13 1710 Siskiyou e flank Mt Eddy (just below summit fell-field) 2727 Comment
  RSA238364  Poa secunda Frederick W. Oettinger 1969-9-2 1606 Siskiyou north side of English Peak. Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2165 Comment
  RSA602815  Poa secunda L. C. Wheeler 1935-6-9 3561 Siskiyou Siskiyou Mts.; Yreka Creek 1220 Comment
  UCD105959  Poa secunda Jesse Miller 2010-1 s.n. Siskiyou Near Yreka.. 1219 Comment
  CAS-BOT-BC237718  Poa secunda subsp. juncifolia Alice Eastwood 1921-7-24 10768 Siskiyou Castle Lake Comment
  CHSC93550  Poa secunda subsp. juncifolia 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
  JEPS101878  Poa secunda subsp. juncifolia Dean W. Taylor 1987-6-24 9060 Siskiyou Tom Young Flat 1280 Comment
  CAS-BOT-BC243215  Poa secunda subsp. secunda John Thomas Howell 1939-8-2 14912 Siskiyou Spirit Lake, Marble Mountains 1828 Comment
  UC1037087  Poa secunda subsp. secunda Leo Whitney 1934-6-29 2224 Siskiyou near Tennant (Antelope Creek) 1463 Comment
  UC1265426  Poa secunda subsp. secunda Frederick W. Oettinger 1968-9-1 642 Siskiyou at bnase of precipice at Abbotts Lake (vicinity of English Peak); Salmon Mts, High Lake Basins, Harvey Monroe Hall Natural Are 1798 Comment
  UC196944  Poa secunda subsp. secunda Geo. D. Butler 1910-5-6 1294 Siskiyou hill near Yreka Comment
  UCD23603  Poa secunda subsp. secunda Geo. D. Butler 1910-4-30 1250 Siskiyou Yreka. Comment
  RSA47975  Poa trivialis Roxana S. Ferris, Laura Lorraine 1948-6-16 11747 Siskiyou French Creek Logging west of Callahan 1067 Comment
  JEPS40859  Poa wheeleri Paul C. Hutchison 1961-8-2 937 -A Siskiyou between top of ski lift and Panther Meadow; Mt Shasta 2621 Comment
  JEPS84250  Polemonium californicum L. R. Heckard with J. Hickman et al. 1986-7-17 6517 Siskiyou n slope of Condrey Mt. 1960 Comment
  SEINET4557454  Polemonium californicum Ira L. Wiggins 1955-1 13574 Siskiyou Between Caribou Lake and Pass to Thompson Creek. 1957 Comment
  UCR64593  Polemonium micranthum L. C. Wheeler 1935-3-16 3374 Siskiyou Klamathon, Klamath River 701 Comment
  CAS-BOT-BC231348  Polemonium pulcherrimum Marion Ownbey; Fred G. Meyer 1940-7-4 2186 Siskiyou On ridge above head of Brewer Creek, East side of Mt. Shasta Comment
  CAS-BOT-BC231358  Polemonium pulcherrimum Copeland 1903-7-16 3515 Siskiyou Mt. Shasta 3169 Comment
  HSC45816  Polemonium pulcherrimum J. P. Smith, J. O. Sawyer 1972-6-30 5642 Siskiyou Ridge W of Little Duck Lake. 2378 Comment
  CAS-BOT-BC170330  Polygala cornuta var. cornuta H. A. Thomas; J. H. Thomas 1954-7-21 4398 Siskiyou Salmon-Trinity Mts. about 6 miles SE of Cecilville. West side of Rush Creek. 1158 Comment
  RSA96064  Polygala cornuta var. cornuta Percy C. Everett, E. K. Balls 1954-10-10 20260 Siskiyou Highway 89, 6.8 miles west of McCloud on road to the town of Mt. Shasta 1174 Comment
  RSA237802  Polygonum aviculare Frederick W. Oettinger 1969-8-24 1531 Siskiyou Salmon Mtns. High Lake Basins in the vicinity of English Peak. Marble Mtn Wilderness Area. 1829 Comment
  POM104639  Polygonum bistortoides Geo. D. Butler 1910-6-5 1477 Siskiyou Shackleford Creek Comment
  UC1045312  Polygonum convolvulus W. Bridge Cooke 1940-7-12 15322 Siskiyou on Castle Lake road near Mount Shasta City Comment
  JEPS82457  Polygonum davisiae Gilbert Muth 1966-7-14 392 Siskiyou flat above Marble Valley (Marble Gap trail); Marble Mt. Wilderness Area 1828 Comment
  JEPS84296  Polygonum davisiae L. R. Heckard with S. D'Alcamo, J. Hickman, and S. Winchester 1986-7-16 6416 Siskiyou e slope of mt. town of Seiad Valley (ca 5 mi n, cirque at head of Hell's Canyon); Kangaroo Mountain 1828 Comment
  CAS-BOT-BC414590  Polygonum douglasii John Thomas Howell 1939-8-2 14939 Siskiyou Spirit Lake, Marble Mts. 1828 Comment
  CAS-BOT-BC414605  Polygonum douglasii Annetta Carter 1934-8-15 714 Siskiyou Summit of Happy Camp to Waldo (Oregon) road, Indian Creek Watershed, Klamath National Forest 1615 Comment
  JEPS25543  Polygonum douglasii Rimo Bacigalupi with Lincoln Constance 1959-6-17 7160 Siskiyou on moraine 4 mi nw Weed (along US Hwy 99, overlooking s end of Shasta Valley) 952 Comment
  JEPS24027  Polygonum minimum Rimo Bacigalupi with Drs. Reino and Aloha Alava 1958-9-3 6890 Siskiyou Poker Flat Siskiyou Mountains 1536 Comment
  UC1026897  Polygonum minimum W. Bridge Cooke 1940-8-22 15486 Siskiyou Mount Shasta, Squaw Valley Creek 2438 Comment
  UCD77948  Polygonum minimum Robert E. Preston 2001-7-21 1751 Siskiyou Klamath National Forest, north slope of Rainbow Mountain, T42N R1W se 1/4 Section 15 1767 Comment
  SBBG29123  Polygonum minimum L. C. Wheeler 1934-8-22 3207 Siskiyou Siskiyou Mtns; R9W, T47N, S18 1828 Comment
  RSA0034881  Polygonum persicaria Louis C. Wheeler 1934-9-20 3286 Siskiyou Lumgrey Creek, Siskiyou Mountains. 670 Comment
  UC672954  Polygonum polygaloides subsp. kelloggii Joseph P. Tracy 1935-8-1 14401 Siskiyou on ridge between Salmon River and New River (at extreme head of Knownothing Creek); Rock Lake 1889 Comment
  JEPS50593  Polygonum shastense John G. Lemmon 1888-9-19 Siskiyou Shasta; side Comment
  HSC156  Polygonum spergulariiforme William J. Ferlatte 1966-8-3 249 Siskiyou Big Flat, near public campground 1524 Comment
  CAS-BOT-BC421087  Polygonum spergulariiforme W. R. Dudley 1899-8-15 s.n. Siskiyou Toward Black Fox Comment
  CAS-BOT-BC232928  Polypogon Melissa A. Berry 1957-7-2 s.n. Siskiyou Fay Lane, Scott Valley 822 Comment
  CHSC91236  Polypogon monspeliensis Lowell Ahart; John Dittes 2005-6-9 12003 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
  HSC61295  Polypogon monspeliensis Ruby Van Deventer 1960-7-14 Siskiyou Road to Flint Valley 2 miles from Klamath River. 762 Comment
  RSA105443  Polypogon monspeliensis G. D. Barbe, Milo S. Baker 1955-7-4 88 Siskiyou 10 miles south of Etna on Parrot Mill Road. 976 Comment
  HSC79158  Polystichum imbricans C. J. Thomas 1983-10-1 108 Siskiyou 0.75 mi. from Indian Scotty campground on gravel rd. to Paradise Lake 854 Comment
  RSA612747  Polystichum imbricans L. C. Wheeler 1935-4-16 3421 Siskiyou Soap Creek, Siskiyou Mountains. (Mt Diablo Mer.) 1585 Comment
  CAS-BOT-BC76735  Polystichum imbricans subsp. imbricans L. B. Kildale 1930-6-1 9780 Siskiyou Black Bear Trail to Sawyers Bar Comment
  CAS-BOT-BC76734  Polystichum imbricans subsp. imbricans Donald L. Branscomb 1958-7-1 s.n. Siskiyou Mount Shasta Comment
  CAS-BOT-BC76765  Polystichum imbricans subsp. imbricans William Bridge Cooke 1938-9-2 11594 Siskiyou Mount Shasta - along the Sisson Southern Trail on a lava flow. Comment
  HSC79136  Polystichum kruckebergii C. J. Thomas 1983-10-1 85 Siskiyou N side of Black Mtn. in Marble Mtn. Wilderness 1976 Comment
  POM22933  Polystichum lemmonii E. B. Copeland 1903-8-18 3813 Siskiyou Mount Eddy 1677 Comment
  SD82169  Polystichum lemmonii H. H. Tracy 1913-8-26 Siskiyou Mt. Eddy trail, near Mt. Shasta 1525 Comment
  UC405222  Polystichum lemmonii J. G. Lemmon 1879-7-23 Siskiyou Scott Valley near Shasta Scott Valley Comment
  HSC90061  Polystichum lemmonii R. W. Becking 1985-8-28 Siskiyou Scott Mtn. Rd. Callahan, Rockfence Lake, E of Kangaroo Lake, above cabin 1829 Comment
  RSA756838  Polystichum lemmonii Barbara Ertter 1990-7-16 9374 Siskiyou NW side of Mount Eddy, 8 air miles SW of Weed, 1-2 miles from Parks Creek trailhead (=crest of Rt 17) along ridge 2287 Comment
  UCR143038  Polystichum lonchitis L. C. Wheeler 1934-8-6 3058 Siskiyou Klamath Ranges; Siskiyou Mountains, Rock 'Gulch' [Creek] off Jaynes Canyon 1829 Comment
  CAS-BOT-BC76680  Polystichum munitum Doris K. Kildale 1928-7-3 5450 Siskiyou Little North Fork Salmon River Comment
  UC1481732  Polystichum scopulinum Lefebvre 1941-10-4 Siskiyou trail from Castle Lake to Little Castle Lake Comment
  HSC19177  Populus trichocarpa J. O. Sawyer 1968-7-9 454 Siskiyou W of Little Duck Lake. 1936 Comment
  HSC46779  Populus trichocarpa William J. Ferlatte 1974-7-14 1527 Siskiyou Big Flat, S Fork of Salmon River below campground 1509 Comment
  RSA215573  Potamogeton alpinus Al Hobart 1970-8-25 s.n. Siskiyou NW Siskiyou 1524 Comment
  UC725956  Potamogeton foliosus A. A. Heller 1925-7-28 13908 Siskiyou Abram Lake Comment
  RSA238841  Potamogeton pusillus subsp. tenuissimus Frederick W. Oettinger 1969-8-22 1494 Siskiyou Mucky bottom of Horses Hole. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1875 Comment
  HSC61830  Potentilla breweri Ruby Van Deventer 1938-7-31 Siskiyou Poker Flat 1585 Comment
  HSC61831  Potentilla breweri Ruby Van Deventer 1961-6-14 Siskiyou Poker Flat 1585 Comment
  HSC99681  Potentilla breweri G. L. Clifton 1979-7-1 6187 Siskiyou Near Poker Flat, close to the town of Happy Camp 1538 Comment
  UC1409356  Potentilla breweri Frederick W. Oettinger 1968-8-12 498 Siskiyou Tobacco Lake Trail Salmon Mountains, Marble Mountain Wilderness Area (Salmon Mts., high lake basins in vicinity of English Peak, Marble Mountain Wilderness area, western Siskiyou County) 1889 Comment
  HSC90588  Potentilla cristae Jennifer Whipple 1976-7-1 1222 Siskiyou Wagon Creek drainage near Wagon Creek 2409 Comment
  UC648279  Potentilla drummondii John Thomas Howell 1939-8-2 14906 Siskiyou Spirit Lake Marble Mts. 1828 Comment
  UCD113827  Potentilla drummondii J. M. Tucker 1974-7-28 4320 Siskiyou Haypress Meadows, Marble Mountain Wilderness Area. 1463 Comment
  HSC295  Potentilla flabellifolia William J. Ferlatte 1966-8-17 390 Siskiyou Caribou Basin 1982 Comment
  HSC66  Potentilla flabellifolia William J. Ferlatte 1967-7-25 732 Siskiyou Caribou Basin 1982 Comment
  CAS-BOT-BC143254  Potentilla flabellifolia H. A. Thomas; J. H. Thomas 1954-7-24 4494 Siskiyou Salmon - Trinity Mts. Vicinity of Rush Lake and Rush Creek Meadow. About 9 miles E of Cecilville 1981 Comment
  CAS-BOT-BC143259  Potentilla flabellifolia David Keck 1938-9-8 11626 Siskiyou Springs in the South Gate Comment
  JEPS95566  Potentilla fruticosa Vernon H. Oswald and L. Ahart 1994-7-11 6402 Siskiyou T39N R6W NE1/4 NW1/4 Sec. 25, 5850 ft, Yellow Pine Forest. Gumboot Creek on the upstream side of Forest Rd. 26 (to Mt. Shasta), ca. 0.5 mi NE of Gumboot Lake, W of Dunsmuir. Woody perennial growing on the rocky edge of the creek. 1783 Comment
  UC609368  Potentilla fruticosa Eleanor Hart 1938-8-16 Siskiyou Edge of Lower Wright Lake, east side 2072 Comment
  UC859865  Potentilla fruticosa A. A. Heller 1915-8-26 12223 Siskiyou meadow near the head Wagon Creek Canyon (Mt. Eddy); Mt. Eddy 2590 Comment
  SD125938  Potentilla glandulosa Steve Morgan 1987-7-28 Siskiyou McGinnis Springs, 5 mi. NW of McCloud, Shasta-Trinity National Forest, S of Mt. Shasta 1768 Comment
  CAS-BOT-BC540553  Potentilla gracilis var. fastigiata Geo. D. Butler 1910-5-28 1419 Siskiyou Shasta Valley Comment
  UC195253  Potentilla millefolia Annie M. Alexander and Louise Kellogg 1911-6-4 110 Siskiyou Mayten Comment
  UCR66582  Potentilla millefolia Milo S. Baker 1955-6-26 13080 Siskiyou Shasta Valley. Between Weed and Gazelle 915 Comment
  HSC4473  Primula suffrutescens William J. Ferlatte 1966-8-5 354 Siskiyou Caribou Mtn. 2470 Comment
  CAS-BOT-BC516382  Prosartes hookeri Geo. D. Butler 1908-8-24 93 Siskiyou Eldridges Corral, Russian Creek Comment
  CAS-BOT-BC516390  Prosartes hookeri Alice Eastwood 1921-7-30 11031 Siskiyou Soda Creek Canyon Comment
  HSC60  Prunella vulgaris subsp. lanceolata William J. Ferlatte 1966-6-23 143 Siskiyou Big Flat, between campground and S Fork of the Salmon River 1524 Comment
  RSA105423  Prunella vulgaris var. lanceolata G. D. Barbe 1955-6-29 40 Siskiyou 1.8 miles E of Callahan, S bank of Scott River 976 Comment
  CAS-BOT-BC158207  Prunus emarginata Alice Eastwood 1912-7-18 1212 Siskiyou Sisson Comment
  CAS-BOT-BC158215  Prunus emarginata Roxana S. Ferris; Laura Lorraine 1948-6-12 11776 Siskiyou About 5.5 miles from Etna on forks of Salmon Road Comment
  HSC23589  Prunus emarginata J. O. Sawyer 1969-9-12 2006 Siskiyou Hanging valley N of Wildcat Peak 2012 Comment
  RSA211470  Prunus emarginata William J. Ferlatte 1966-6-22 123 Siskiyou Yellow Rose Mine. 1982 Comment
  UC165439  Prunus emarginata Geo. D. Butler 1910-5-1 1256 Siskiyou Humbug Mountain Comment
  RSA96065  Prunus emarginata Percy C. Everett 1954-10-10 20259 Siskiyou 6.8 miles E of McCloud on road to Mt. Shasta (the town). Hwy 89. 1174 Comment
  CAS-BOT-BC151228  Prunus virginiana var. demissa A. A. Heller 1905-6-9 8004 Siskiyou Yreka, at the base of the hills east of the town, along an irrigating ditch. Comment
  RSA3386  Prunus virginiana var. demissa Carl B. Wolf 1931-9-2 2389 Siskiyou Near the fish hatchery at Mt. Shasta City (Sisson). Comment
  UCR152042  Prunus virginiana var. demissa P. V. Wells 1967-1-7 s.n. Siskiyou Mt. Shasta, At Mcbryde Spring 1524 Comment
  HSC67479  Pseudognaphalium stramineum J. P. Smith, Steve Selva 1970-6-15 3903 Siskiyou 10 mi. NW of Forks of Salmon Comment
  SBBG21935  Pseudognaphalium thermale D. Myrick 1964-7-25 972 Siskiyou Panther Meadows below Ski Bowl Lodge, Mt Shasta 2346 Comment
  UC1130634  Pseudoroegneria spicata subsp. spicata H. S. Yates 1936-6-21 5810 Siskiyou 2 mi nw of Paradise Gragg 731 Comment
  CHSC96624  Pseudostellaria jamesiana L. P. Janeway 2006-7-1 8725 Siskiyou Klamath Ranges. Salmon Mountains; just west of Carter Meadow, north side of South Fork Salmon River. 1579 Comment
  CAS-BOT-BC94479  Pseudostellaria jamesiana R. C. Wenk 2005-7-19 348 Siskiyou border between Siskiyou and Trinity Counties, National Forest Road 17, parking lot where Pacific Crest Trail crosses 2090 Comment
  SEINET10530901  Pseudotsuga menziesii David B. Dunn, Melvin L. Conrad; Douglas G. LeDoux 1973-6-3 Dunn 20650 Siskiyou Vicinity of the Campground on the Salmon River, 8.3 mi W of Cecilville. Yellow pine forest with Douglas Fir. Area with mostly metamorphic rocks. Area very rocky and gravelly. Comment
  HSC36736  Pseudotsuga menziesii var. menziesii Brent Whitely 1975-6-21 11 Siskiyou 223 Comment
  LA6344  Pseudotsuga menziesii var. menziesii W. B. C.; 1939-7-26 13788 Siskiyou Mount Shasta, along the Sisson Southern Trail 1371 Comment
  CAS-BOT-BC72684  Pteridium aquilinum A. A. Heller 1920-8-11 13502 Siskiyou Metcalf's Ranch, northeast base of Mt. Eddy 1158 Comment
  CAS-BOT-BC72685  Pteridium aquilinum H. A. Thomas; J. H. Thomas 1954-7-21 4390 Siskiyou Salmon-Trinity Mts., about 6 miles SE of Cecilville, West side of Rush Creek 1036 Comment
  HSC36705  Pteridium aquilinum var. pubescens Brent Whiteley 1975-6-23 44 Siskiyou 223 Comment
  HSC92199  Pterospora andromedea Jennifer Whipple 1976-9-3 1766 Siskiyou Wagon Creek drainage on the E face of Mount Eddy 2256 Comment
  UC61046  Pterospora andromedea W. A. Setchell, C. C. Dobie 1902-7-26 Siskiyou Sisson Mount Shasta 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
  SBBG30530  Purshia tridentata var. tridentata D. Myrick 1968-6-22 1991 Siskiyou Lava Beds Nat Monument 1371 Comment
  UC73074  Purshia tridentata var. tridentata Milo S. Baker Jun 1896 123 Siskiyou 15 mi w Bartles (Sissons Road) Comment
  UC456120  Pycnanthemum californicum I. J. Condit 1911-7-13 Siskiyou Dunsmuir Comment
  CAS-BOT-BC460874  Pyrola aphylla Edna Kelsey 1961-8-1 s.n. Siskiyou Marble Mts. Comment
  HSC18922  Pyrola dentata J. O. Sawyer 1969-6-11 820 Siskiyou Near C.C.C. road, in Horse Range Creek drainage 1360 Comment
  SJSU2557  Pyrola picta H. L. Buckalew 1962-7-6 Siskiyou junction of Indian Cr & W Branch Indian Cr Comment
  UC876270  Pyrola picta Alice Eastwood 1912-7-15 1116 Siskiyou McCloud Comment
  CAS-BOT-BC466129  Pyrola picta Alice Eastwood 1921-7-24 10800 Siskiyou Castle Lake Comment
  CHSC106271  Pyrrocoma lanceolata var. lanceolata Lowell Ahart; John Dittes 2010-7-30 16969 Siskiyou Riparian terraces near spring, Shasta Big Springs Ranch, 2.6 miles (air) northwest of Big Springs Lake, 3.9 miles (air) southeast of Grenada, 6.3 miles (air) northwest of Dwinnel Dam. 778 Comment
  UC166601  Pyrrocoma racemosa var. paniculata Geo. D. Butler 1910-8-21 1821 Siskiyou Shasta Valley Comment
  CAS-BOT-BC68606  Quercus chrysolepis Geo. D. Butler 1910-6-7 1530 Siskiyou Greenhorn Mountain Comment
  JEPS37941  Quercus garryana W. L. Jepson 1902-7-20 2085 Siskiyou Summerville Comment
  UC585068  Quercus garryana E. B. Babcock, G. L. Stebbins Jr. 1936-6-11 1946 Siskiyou about 8 mi s Yreka 822 Comment
  CDA16169  Quercus garryana var. garryana G. F. Hrusa, T. D. Wilfred 1999-5-31 15068 Siskiyou Klamath Ranges; E side of I-5 at Klamath R. rest area +- 10 mi N of Yreka area 640 Comment
  RSA82772  Quercus garryana var. garryana J. M. Tucker 1947-5-17 1553 Siskiyou 7 miles southwest of Gazelle. Comment
  CAS-BOT-BC105473  Quercus kelloggii William Bridge Cooke 1938-8-5 11435 Siskiyou MacBride Spring Road, on the SW slopes of the mountain 1219 Comment
  HSC40047  Quercus kelloggii J. O. Sawyer 1970-7-14 2355 Siskiyou S side of Bear Mtn. 1707 Comment
  RSA748771  Quercus kelloggii K. M. Meyer, A. Townesmith 2007-8-4 190 Siskiyou Klamath National Forest, 0.6 mi. on right fork, 6 mi. on Rd. 7J001 out of Yreka, CA (road past the water tower). 1286 Comment
  SEINET5644385  Quercus kelloggii Brent Helm, Curtis Miller; Mark Steiger 1988-4-30 80 Siskiyou 1 mile east of Spring Flat Campground; along Scott River Rd in Montane forest.; 0 Comment
  CAS-BOT-BC104363  Quercus sadleriana Louis C. Wheeler 1934-8-6 3048 Siskiyou Klamath National Forest, Jaynes canyon 1859 Comment
  CAS-BOT-BC104370  Quercus sadleriana G. D. Hanna; Salem Rice 1952-10-17 s.n. Siskiyou Sanger Lake Comment
  CAS-BOT-BC12345  Quercus sadleriana James R. Shevock; David Toren 2000-9-1 20099 Siskiyou Rouge River National Forest. Applegate River Drainage. 1432 Comment
  CDA22027  Quercus sadleriana D. G. Kelch 2007-7-25 7 .499 Siskiyou Indian Creek Rd., just S of Greyback Summit. Comment
  UCD14458  Quercus sadleriana G. L. Stebbins 1972-7-3 s.n. Siskiyou California, Siskiyou Co.; 0.5 mi. east of Cook and Green Pass; north of Seiad Valley, T 47N, R 11W, Sect. 9, Seiad Valley Quadrangle; Comment
  UCD47249  Quercus sadleriana P. C. Everett; E. K. Balls 1954-10-13 20292 Siskiyou Indian Creek rd. to Obrien, 20 1/2 mi. n.w. from Hwy 96 at Happy Camp, Siskiyou County. 1524 Comment
  CDA22069  Quercus vacciniifolia Gordon Leppig, Tony LaBanca 1998-7-11 923 Siskiyou Kalmath National Forest, Duck Lakes Trail. Comment
  RSA237792  Quercus vacciniifolia Frederick W. Oettinger 1969-8-18 1436 Siskiyou Southeast of and over the ridge from Horse Range Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1829 Comment
  RSA237825  Quercus vacciniifolia Frederick W. Oettinger 1968-9-1 641 Siskiyou On rocky ridge of Franz Peak NNE of Diamond Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2104 Comment
  JEPS58998  Raillardella pringlei Douglas Barbe 1959-7-11 538 Siskiyou 15 mi w Shasta National Forest (stream flowing nw from Gumboot Lake, headwaters of the South Fork Sacramento River); South Fork Sacramento River 1767 Comment
  UC165299  Ranunculus alismifolius var. alismifolius Geo. D. Butler 1910-5-10 1322 Siskiyou Bulls Meadow Goosenest Mtn. 1676 Comment
  JEPS55078  Ranunculus glaberrimus Geo. D. Butler 1910-3-7 1117 Siskiyou Shasta River Canyon Comment
  JEPS60681  Ranunculus glaberrimus Milo S. Baker 1933-4-10 7350 Siskiyou Pacific Hwy 2 mi s Yreka; Pine Grove Auto Camp Comment
  UC635098  Ranunculus glaberrimus D. Tebbe 1930-3-28 70 Siskiyou Weed Comment
  POM99251  Ranunculus hebecarpus Geo. D. Butler 1909-5-2 s.n. Siskiyou Damp land, near Yreka Comment
  HSC18127  Ranunculus occidentalis var. dissectus Geo. D. Butler 1909-4-25 683 Siskiyou Quartz Valley Comment
  UC747763  Rhamnus Isabelle C. Kimber 1934-6-9 20 Siskiyou just above Sacramento River confluence with Ney Creek (Steelbridge Camp, Sacramento River); Sacramento River 731 Comment
  CAS-BOT-BC58186  Rhododendron columbianum Volney Rattan 1879-1-1 10345 Siskiyou Illinois River. Comment
  RSA697558  Rhododendron macrophyllum Leo Miller 1938-07 s.n. Siskiyou Siskiyou, Mountains. 915 Comment
  CHSC86649  Rhododendron neoglandulosum Jenny Marr 1993-7-1 32 Siskiyou Butte Valley Wildlife Area, +/- 7 air miles NW of the town of MacDoel. Meadow NW of Meiss Lake. 1349 Comment
  HSC68407  Rhododendron occidentale var. paludosum Maralyn A. Renner 1980-7-4 1415 Siskiyou Near trail about 0.25 mi. below Rattlesnake Meadow. 1585 Comment
  HSC7889  Rhododendron occidentale var. paludosum Dorothy Parker 1949-6-6 Siskiyou French Creek, Salmon Mtns. 1372 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-BC200745  Rhus aromatica Elmer I. Applegate 1898-5-15 2127 Siskiyou Klamath River. Between Shovel Creek and Fall Creek 853 Comment
  HSC100036  Rhus aromatica J. P. Smith, & J. O. Sawyer 2010-5-6 12821 Siskiyou Along Rd. 92K02, E of Copco. 778 Comment
  CAS-BOT-BC438006  Ribes L. B. Kildale 1930-6-1 9860 Siskiyou Salmon River 5 miles north of Fork of Salmon Comment
  CAS-BOT-BC92409  Ribes aureum var. aureum Geo. D. Butler 1910-4-19 1203 Siskiyou Yreka Creek. Comment
  HSC23460  Ribes binominatum J. O. Sawyer 1968-7-23 614 Siskiyou Along trail from Brown's Valley to Caribou Basin including areas around Snowslide Lake and Caribou Lake. 1829 Comment
  HSC29424  Ribes binominatum Frederick W. Oettinger 1969-7-15 1025 Siskiyou Marble Mtn. Wilderness Area, between Diamond Lake and Upper English Lake 2012 Comment
  CAS-BOT-BC108771  Ribes cereum Alice Eastwood 1921-7-25 10821 Siskiyou Bigelows on McCloud River. 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
  SEINET4853858  Ribes glanduliferum A. A. Heller 1905-6-9 8005 Siskiyou Yreka. Comment
  CAS-BOT-BC168865  Ribes inerme var. klamathense Doris K. Kildale 1929-4-27 7842 Siskiyou Cecilville, Upper South Fork of Smith River Comment
  CAS-BOT-BC173295  Ribes lacustre John Thomas Howell; Gordon H. True 1972-6-8 48858 Siskiyou South of summit on road from Takilma to Happy Camp Comment
  HSC633  Ribes lacustre William J. Ferlatte 1967-6-29 571 Siskiyou Along Yellow Rose Mine Trail 1829 Comment
  UC1736426  Ribes lacustre Dean W. Taylor 1999-6-9 17228 Siskiyou Siskiyou Mountains, ca. 5 air miles WSW Hilt, very headwaters of South Fork Hungry Creek 1371 Comment
  RSA0021107  Ribes lacustre Frederick W. Oettinger, Robert F. Thorne 1969-8-6 1263 Siskiyou Stream at Toms Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1966 Comment
  CAS-BOT-BC173397  Ribes lobbii John Thomas Howell 1937-7-22 13284 Siskiyou South Fork of Salmon River near Big Flat 1524 Comment
  JEPS82475  Ribes lobbii Gilbert Muth 1966-7-8 360 Siskiyou Marble Valley Meadow Marble Mt. Wilderness Area 1792 Comment
  CAS-BOT-BC212488  Ribes marshallii Geo. D. Butler 1910-7-8 1682 Siskiyou Shackleford Creek 1219 Comment
  CAS-BOT-BC219275  Ribes nevadense A. A. Heller 1920-8-12 13513 Siskiyou 3.5 miles from Horse Camp on the Mount Shasta Trail Comment
  JEPS86133  Ribes roezlii Wayne Roderick 1956-2 Siskiyou Castle Lake 1676 Comment
  CAS-BOT-BC199981  Ribes roezlii var. cruentum Elmer I. Applegate 1935-8-3 10017 Siskiyou North slope of Caldwell Butte, Lava Beds National Monument Comment
  HSC65648  Ribes roezlii var. cruentum J. P. Smith 1976-5-5 8700 Siskiyou Road between Forks of Salmon and Somes Bar 366 Comment
  SBBG27523  Ribes roezlii var. cruentum L. C. Wheeler 1934-6-28 2815 Siskiyou Little Soda Crk, Sterling Mtn 1066 Comment
  CAS-BOT-BC200008  Ribes roezlii var. cruentum William A. Dayton 1913-6-13 209 Siskiyou Shasta National Forest. E. Fk of Scott River range opposite China Mt. 1706 Comment
  RSA0024607  Ribes roezlii var. cruentum Geo. D. Butler 1909-4-11 655 Siskiyou Shasta Retreat. Comment
  HSC29414  Ribes sanguineum Frederick W. Oettinger, R. F. Thorne 1969-8-7 1280 Siskiyou SE of English Lake 1829 Comment
  HSC29415  Ribes sanguineum Frederick W. Oettinger 1969-7-9 936 Siskiyou Vicinity of English Peak, Marble Mountain Wilderness Area; NW of Upper English Lake 1921 Comment
  UC921841  Ribes sanguineum Louis C. Wheeler 1934-6-12 2695 Siskiyou North Hungry Creek Siskiyou Mts. 1310 Comment
  RSA0019713  Ribes velutinum G. D. Barbe 1955-6-28 18 Siskiyou 0.6 mile north of Callahan, 50 yds from the road. 1037 Comment
  RSA0019714  Ribes velutinum Louis C. Wheeler 1935-5-4 3467 Siskiyou Greenhorn Creek, Siskiyou Mountains. 854 Comment
  CAS-BOT-BC168795  Ribes viscosissimum R. J. Mastrogiuseppe; J. D. Mastrogiuseppe 1974-9-2 160 Siskiyou Wooded slopes near Kidd Cr. 1828 Comment
  HSC27330  Ribes viscosissimum J. P. Smith, J. O. Sawyer, Maralyn O'Meara 1972-7-3 5667 Siskiyou E slope of Kangaroo Mtn. above Toehead Lake. 1890 Comment
  CHSC734  Romanzoffia sitchensis M. Yoder 1941-7-11 Siskiyou Castle Lake. 1981 Comment
  RSA238851  Romanzoffia sitchensis Frederick W. Oettinger 1969-7-10 957 Siskiyou Due SSW of Upper English Lake. Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountains Wilderness Area. 1921 Comment
  CHSC1596  Rosa bridgesii M. Yoder 1941-7-21 Siskiyou Castle Lake. 1981 Comment
  NY345434  Rosa brownii H. E. Brown 1897-6-11 349 Siskiyou North Side, Mt. Shasta 1524 Comment
  NY345435  Rosa brownii H. E. Brown 1897-6-1 349 Siskiyou Near Mt. Shasta Comment
  CAS-BOT-BC147463  Rosa californica L. B. Kildale 1930-5-31 9816 Siskiyou Island in Klamath River near Hornbrook Comment
  CAS-BOT-BC147470  Rosa californica Annie M. Alexander; Louise Kellogg 1911-6-13 128 Siskiyou 6 miles N.W. of Callahan Comment
  CAS-BOT-BC146743  Rosa gymnocarpa Alice Eastwood 1912-7-23 1321 Siskiyou Dunsmuir Comment
  CAS-BOT-BC146753  Rosa gymnocarpa Doris K. Kildale 1929-8-24 9065 Siskiyou Trail to Preston Peak, between Young's Valley & Rattlesnake Meadow 1524 Comment
  HSC29499  Rosa gymnocarpa Frederick W. Oettinger 1968-8-17 559 Siskiyou Marble Mtn. Wilderness Area, Pine Lake Meadow 1875 Comment
  RSA237812  Rosa gymnocarpa Frederick W. Oettinger 1969-9-4 1640 Siskiyou NW side of Hancock Lake. Salmon Mtns. High Lake Basins in the vicinity of English Peak. Marble Mtn Wilderness Area. 1951 Comment
  CAS-BOT-BC147066  Rosa pisocarpa E. K. Balls; P. C. Everett 1952-10-13 18185 Siskiyou 3.6 mi. s.w. of turn off to Ney Springs on road from town of Mt. Shasta to Castle Lake 1524 Comment
  RSA2867  Rosa pisocarpa Carl B. Wolf 1931-9-2 2390 Siskiyou Near the fish hatchery at Mt. Shasta City (Sisson). 1067 Comment
  RSA78997  Rosa pisocarpa E. K. Balls, Percy C. Everett 1952-10-13 18185 Siskiyou 3.6 miles SW of turn off to Ney Springs on road from town of Mt. Shasta to Castle Lake. 1524 Comment
  UC1871379  Rosa pisocarpa subsp. pisocarpa Barbara Ertter 2006-7-30 18744 Siskiyou S of Juanita Lake in mountains between Shasta and Butte valleys, ca 2 mi N of intersection of Little Shasta Road, roadside meadow (same meadow system as 18742, but larger and wetter site). 1584 Comment
  CAS-BOT-BC148192  Rosa rubiginosa Carl B. Wolf 1927-8-26 1007 Siskiyou On the Klamath River, 5 mi. below Hornbrook Comment
  CAS-BOT-BC149744  Rosa woodsii subsp. ultramontana Doris K. Kildale 1930-5-31 9803 Siskiyou Island in Klamath River near Hornbrook 609 Comment
  CAS-BOT-BC147163  Rubus laciniatus Alice Eastwood 1912-7-23 1317 Siskiyou Dunsmuir Comment
  HSC69516  Rubus leucodermis John Palmer 1980-8-12 750 Siskiyou Road to Bearground Spring from Beaver Creek Rd. 1341 Comment
  UCD77978  Rubus leucodermis Robert E. Preston 2001-6-30 1659 Siskiyou Klamath National Forest, Hemlock Lake, T42N R1W se 1/4 of se 1/4 Section 14 1889 Comment
  CAS-BOT-BC147980  Rubus leucodermis W. R. Dudley 1901-8-22 s.n. Siskiyou East slope of Foxtail Ridge - Salmon Mts. Comment
  CAS-BOT-BC147316  Rubus parviflorus H. A. Thomas; J. H. Thomas 1954-7-23 4463 Siskiyou Salmon - Trinity Mts. About 6 miles SE of Cecilville. Vicinity of Blind Horse Creek 1036 Comment
  CAS-BOT-BC147322  Rubus parviflorus Geo. D. Butler 1910-5-30 1438 Siskiyou Humbug Mountain 1219 Comment
  JEPS44738  Rubus parviflorus W. L. Jepson July 1894 13879 Siskiyou Cedar Spring Mt. Shasta, Cedar Spring Comment
  UC164308  Rubus parviflorus Geo. D. Butler 1910-5-30 1438 Siskiyou Humbug Mountain 1219 Comment
  CAS-BOT-BC157167  Rubus ursinus Wm. Bridge Cooke 1938-6-17 11048 Siskiyou Sisson Southern Trail Comment
  HSC48290  Rubus ursinus J. O. Sawyer, K. Stillman 1978-7-6 3295 Siskiyou Along Happy Camp - O'Brien Rd., above Louse Creek. Comment
  CAS-BOT-BC363168  Rudbeckia californica Julie Kierstead Nelson; Rhonda Posey; Ross Olson 2007-8-1 2007 -020 Siskiyou The Eddys, west of Mt. Shasta. Seep adjacent to unnamed tributary to Middle Fork of upper Sacramento River, along Forest Service Rd. 40N64 ca. 1/2 mile N of Middle Fork crossing 1693 Comment
  CAS-BOT-BC363172  Rudbeckia californica A. A. Heller 1914-8-28 11731 Siskiyou East side of Mt. Eddy 1524 Comment
  CAS-BOT-BC422219  Rumex acetosella G. Muth 1966-7-18 414 Siskiyou Marble Valley Comment
  CAS-BOT-BC422220  Rumex acetosella Gilbert Muth 1966-7-18 412 Siskiyou Marble Gap Trail, above Marble Valley, Marble Mts. 1828 Comment
  HSC68520  Rumex acetosella Maralyn A. Renner 1980-6-26 1147 Siskiyou Flint Valley. 1390 Comment
  CHSC93540  Rumex crispus Lowell Ahart; John Dittes 2005-6-10 12061 Siskiyou Near a poor dirt road, about 80 yards north of the pump house along the Shasta River, about 1.9 miles (air) south of Highway 99/97 Cutoff, about 6 miles (air) east-southeast of Grenada. 776 Comment
  JEPS39874  Rumex crispus Geo. D. Butler 1908-6-25 513 Siskiyou near Yreka (Butler's Ranch) Comment
  SJSU15092  Rumex fueginus C. W. Sharsmith 1992-9-17 9244 Siskiyou Stateline Rd, Klamath Wildlife Refuge, Lower Klamath L 1225 Comment
  HSC17612  Rumex triangulivalvis R. C. Wunner 1965-6-22 266 Siskiyou Lava Beds NM, 1 mi. NW of Stronghold 1220 Comment
  CDA33462  Sagina procumbens Ken Burbank 2010-7-9 PDR# 1414044 Siskiyou Weed; Weed Golf Course. 0 Comment
  UC935797  Sagittaria cuneata Herbert L. Mason 1948-7-18 13607 Siskiyou Grass Lake Comment
  RSA577798  Sagittaria cuneata L. C. Wheeler 1935-7-20 3669 Siskiyou Scott Valley: Scott river 1.5 miles west of Fort Jones. 822 Comment
  JEPS38483  Salix exigua W. L. Jepson 1907-7-22 2953 Siskiyou Burhart's Ranch Hamburg; Klamath River Comment
  SJSU167  Salix exigua Mrs. H. P. Bracelin 1931-6-22 477 Siskiyou Pit R at Gibson flag station, 125km N of Red Bluff 457 Comment
  SD991  Salix exigua var. hindsiana Mrs. H. P. Bracelin 1931-6-22 477 Siskiyou Pit River at Gibson Flag station, 125 km. north of Red Bluff, along margin of river 449 Comment
  NY284098  Salix laevigata var. angustifolia E. L. Greene 795 Siskiyou Near Yreka Comment
  CAS-BOT-BC125458  Salix lasiandra var. lasiandra C. Hart Merriam 1907-9-26 s.n. Siskiyou Klamath Hot Springs, Shovel Creek Comment
  CAS-BOT-BC125461  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-BC107061  Salix lasiolepis Mrs. H. P. Bracelin 1931-6-21 469 Siskiyou North side of Mount Eddy, about 21 km. northwest of Shasta City 1650 Comment
  POM219895  Salix lasiolepis H. P. Bracelin 1931-6-19 422 Siskiyou NE side of Mt Eddy. About 16 km NW of Shasta City. 1500 Comment
  UC481899  Salix lasiolepis Mrs. H. P. Bracelin 1931-6-19 409 Siskiyou about 16 km nw Shasta City (ne side of mt., edge of stream above Metcalf ranch house); Mount Eddy 1425 Comment
  UC576380  Salix lasiolepis Mrs. H. P. Bracelin 1935-9-3 853 Siskiyou 11 mi. n.w. from Mt. Shasta City (ca. 2 mi. e. of Burney Mill, n. base Mt. Eddy, flat beside creek at second bridge); n. base Mt. Eddy 1127 Comment
  CAS-BOT-BC128304  Salix lasiolepis var. lasiolepis Doris K. Kildale 1929-4-27 7846 Siskiyou Cecilville, upper South Fork of Salmon River Comment
  CAS-BOT-BC128309  Salix lasiolepis var. lasiolepis L. R. Abrams 1922-8-7 9902 Siskiyou Klamath River 6 mi. below Hornbrook Comment
  UC576381  Salix melanopsis Mrs. H. P. Bracelin 1936-9-3 861 Siskiyou 11 mi. n.w. Mt. Shasta City (ca. 2 mi. e. of Burney Mill, beside creek at first bridge, n. base Mt. Eddy); Mt. Eddy 1127 Comment
  SEINET11957679  Salix monochroma Unknown 1965-1 1061 Siskiyou Johnson Creek, near Etna 0 Comment
  CAS-BOT-BC126165  Salix scouleriana Mrs. H. P. Bracelin 1931-6-20 442 Siskiyou East side of Mount Eddy, about 17 km. northwest of Shasta City; in Wagon Creek Canyon, about 1 km. up from Metcalf ranch house 1170 Comment
  CAS-BOT-BC129044  Salix scouleriana W. R. Dudley 1899-8-8 s.n. Siskiyou Near Big Spring above Sisson Comment
  HSC61952  Salix scouleriana Ruby Van Deventer 1961-6-14 Siskiyou Poker Flat 1524 Comment
  HSC68376  Salix scouleriana Maralyn A. Renner 1980-6-26 1212 Siskiyou N edge of Flint Valley 1390 Comment
  JEPS38506  Salix scouleriana Geo. D. Butler 1908-8-11 148 Siskiyou Shackleford Creek 1066 Comment
  RSA238270  Salix scouleriana Frederick W. Oettinger 1969-7-29 1093 Siskiyou Margin of Dry Lake. Salmon Mtns. High Lake Basins in the vicinity of English Peak. Marble Mtn Wilderness Area. 1845 Comment
  UC576379  Salix scouleriana Mrs. H. P. Bracelin 1936-9-3 858 Siskiyou 11 mi. n.w. Shasta City (ca. 2 mi. e. of Burney Mill, at second bridge, n. base Mt. Eddy); n. base Mt. Eddy 1127 Comment
  CAS-BOT-BC126156  Salix scouleriana L. E. Smith 1914-3-17 573 Siskiyou Sisson, Junction of S.P. and McCloud R.R. Comment
  RSA0016960  Salvia dorrii subsp. dorrii P. Quentin Tomich 1954-6-24 425 Siskiyou Sentinal Cave, Lava Beds National Monument 1479 Comment
  JEPS95183  Salvia virgata Liz Parsons Aug 1998 s.n. Siskiyou along Ager Beswick Road, eastern Siskiyou County Ager Beswick Road Comment
  CAS-BOT-BC238886  Sambucus nigra subsp. caerulea John Thomas Howell 1939-8-5 15072 Siskiyou Spirit Lake, Marble Mts. 1828 Comment
  UC922574  Sambucus racemosa var. microbotrys Annie M. Alexander and Louise Kellogg 1948-9-9 5611 Siskiyou Taylor Lake Siskiyou Mountains (near edge) 1828 Comment
  UC13054  Sanguisorba annua W. A. Setchell, C. C. Dobie 1902-7-13 Siskiyou Sisson , Sisson (Mount Shasta) Comment
  JEPS1000  Sanicula graveolens W. L. Jepson July 17 - 22, 1902 2068 Siskiyou Devil's Backbone, Western Siskiyou County Devil's Backbone 1828 Comment
  UC165424  Sanicula graveolens Geo. D. Butler 1909-4-18 623 Siskiyou Humbug Mountain Comment
  RSA45489  Saponaria officinalis J. C. Roos, L. Roos 1948-9-2 4019 Siskiyou Hills just N of Mt. Shasta (city). Comment
  UC63944  Sarcodes sanguinea Harley P. Chandler June, 1901 1574 Siskiyou ridges & meadows near Marble Mt.; North Coast Ranges 2133 Comment
  HSC49938  Saussurea americana G. L. Clifton, Ground 1978-7-30 2461 Siskiyou Near White Mt., close to the town of Seiad Valley 1738 Comment
  RSA211112  Saxifraga ferruginea William J. Ferlatte 1967-7-25 729 Siskiyou Caribou Basin. Trinity Alps. 1982 Comment
  UC722711  Saxifraga mertensiana C. L. Hitchcock, J. S. Martin 1939-7-9 5316 Siskiyou between King's Castle and Black Mountain 1828 Comment
  HSC2420  Saxifragopsis fragarioides William J. Ferlatte 1966-8-5 347 Siskiyou Caribou Mountain 2470 Comment
  CAS-BOT-BC283656  Schedonorus pratensis A. A. Heller 1915-8-24 12214 Siskiyou Metcalf's ranch, NE base of Mount Eddy 1188 Comment
  UCSB23748  Schoenoplectus acutus var. occidentalis Breedlove, Dennis 1962-6-10 Siskiyou On the north bank of Klamth River; at its junction with Goff Creek; 4.5 miles west of Seiad 411 Comment
  UCD49975  Schoenoplectus tabernaemontani J. P. Smith; Steve Selva 1970-7-16 4393 Siskiyou California. Siskiyou Co.; along Klamath River 2 miles west of Seiad Creek. 518 Comment
  CAS-BOT-BC35598  Scirpus congdonii Elizabeth McClintock; Wayne Roderick; Martha Roderick 1967-7-28 s.n. Siskiyou Gumboot Lake, Trinity Mtns. 1828 Comment
  HSC77408  Scirpus congdonii L. P. Janeway 1983-9-11 674 Siskiyou Poker Flat 1524 Comment
  RSA119342  Scirpus congdonii S. S. Tillett 1956-7-9 641 Siskiyou E of Scott Mountain, ca. 8 mi. SE of Callahan. Trinity-Siskiyou Cos line. 1829 Comment
  CAS-BOT-BC35600  Scirpus congdonii A. H. Murphy 1954-8-21 54 -13 Siskiyou Round Meadow, Klamath National Forest 1676 Comment
  JEPS107421  Scirpus nevadensis Lowell Ahart, John Dittes 2005-6-9 12025 Siskiyou Meadow area along a small drainage, on the west side of a poor rock fence, about 150 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
  HSC4158  Scleranthus annuus L. C. Wheeler 1935-6-15 3585 Siskiyou Greenview, Scott Valley 884 Comment
  CDA3393  Scleranthus annuus J. R. Grisham 1958-6-13 537 -58 Siskiyou Quartz Valley. 0 Comment
  JEPS62917  Scutellaria antirrhinoides W. L. Jepson July, 1894 14929 Siskiyou Sisson Comment
  RSA20157  Scutellaria antirrhinoides J. T. Howell 1937-7-21 13194 Siskiyou S Fork of Salmon river near Big Flat. 1524 Comment
  UC25793  Scutellaria antirrhinoides T. H. Gilbert Jun 15 1899-Jul 15 1899 Siskiyou Scott River Valley Comment
  UCD69139  Scutellaria antirrhinoides D. Sanchez-Mata; P. Rodriguez-Rojo 1997-7-13 s.n. Siskiyou Callahan-Cecilville. Cecilville Road. Klamath National Forest. 1130 Comment
  POM63093  Scutellaria antirrhinoides E. B. Copeland 1903-7-2 3530 Siskiyou Klamathon Comment
  CHSC118108  Sedum kiersteadiae Len Lindstrand III 2011-7-11 NSR- 11 Siskiyou Downslope of trail to lake near trailhead; UTM zone 10, 546913 east, 4563536 north, +/- 9 feet. 1777 Comment
  CAS-BOT-BC59182  Sedum lanceolatum C. L. Hitchcock; J. S. Martin 1950-8-3 5331 Siskiyou 1/2 mile SE of King's Castle. 1828 Comment
  RSA0076354  Sedum lanceolatum C. L. Hitchcock, J. S. Martin 1939-7-9 5331 Siskiyou 1/2 mile SE of King's Castle, Marble Mts. 1829 Comment
  JEPS96686  Sedum laxum subsp. flavidum Dean W. Taylor 1996-6-28 15756 B Siskiyou Antelope Mountain (about 8 air miles south of Yreka) Comment
  HSC40493  Sedum laxum subsp. heckneri J. O. Sawyer 1973-7-16 2545 Siskiyou Along Big Meadow Creek 1128 Comment
  HSC19526  Sedum obtusatum subsp. retusum J. O. Sawyer 1968-7-10 480 Siskiyou Floodplain of Sugar Creek near Sugar Lake. 1799 Comment
  HSC19540  Sedum obtusatum subsp. retusum J. O. Sawyer 1969-7-9 1247 Siskiyou W facing slope above Bingham Lake 2317 Comment
  HSC40629  Sedum obtusatum subsp. retusum J. P. Smith, Steve Selva 1970-7-15 Siskiyou Baldy Mtn. Lookout Station 1723 Comment
  HSC69031  Sedum obtusatum subsp. retusum Maralyn A. Renner 1980-7-28 2177 Siskiyou Above Pacific Crest Trail, near ridge 1799 Comment
  HSC74907  Sedum obtusatum subsp. retusum J. P. Smith 1978-7-1 9959 Siskiyou Klamath National Forest, Baker Cypress Grove 854 Comment
  CAS-BOT-BC64642  Sedum oregonense John Thomas Howell 1939-8-2 14905 Siskiyou Spirit Lake, Marble Mts. 1828 Comment
  CAS-BOT-BC64649  Sedum oregonense John Thomas Howell 1939-8-3 14955 Siskiyou Spirit Lake, Marble Mts. Comment
  SBBG2665  Sedum oregonense H. and M. Dearing 1939-7-1 3792 Siskiyou Salmon Mtn 1828 Comment
  JEPS82427  Sedum rosea subsp. integrifolium Gilbert Muth 1966-7-31 474 Siskiyou n side Black Mt. (Marble Mt. Wilderness Area); , n side Black Mt. 2057 Comment
  UC1299669  Sedum spathulifolium Freed W. Hoffman 1950-7-14 4010 Siskiyou Clear Creek trail from Baldy Lookout (western Siskiyou County); Clear Creek trail from Baldy Lookout Comment
  HSC64818  Sedum spathulifolium var. spathulifolium J. P. Smith 1976-5-5 8688 Siskiyou Road between Sawyers Bar and Somes Bar 488 Comment
  RSA576443  Selaginella wallacei Louis Cutter Wheeler 1935-4-14 3419 Siskiyou West Fork Seiad Creek, Siskiyou Mtns. (Mt Diablo Mer) Comment
  HSC36874  Senecio aronicoides J. P. Smith 1974-5-26 7546 Siskiyou Along FS Rd. 47N03 1524 Comment
  HSC69260  Senecio aronicoides J. O. Sawyer`, J. Cole 1980-7-20 3744 Siskiyou 2 mi. N of Little Glass Mtn., on road connecting FS Rd. 45N05 with FS Rd. 47N75 1875 Comment
  UCD135525  Senecio aronicoides R. Tofsrud; J. M. Tucker 1948-8-2 1763 Siskiyou Panther Meadows, south slope of Mt. Shasta. 2407 Comment
  UC166212  Senecio hydrophilus Geo. D. Butler 1908-8-27 236 Siskiyou in bogs near Oro Fina Comment
  RSA0125031  Senecio integerrimus var. exaltatus Philip A. Munz 1952-7-2 17882 Siskiyou Road to Baldy Mt. northwest of Happy Camp. 1494 Comment
  CDA8655  Senecio integerrimus var. ochroleucus T. C. Fuller 1958-6-18 1791 Siskiyou Summit of Siskiyou Mountains along road between Cave Junction & Happy Camp. 0 Comment
  CAS-BOT-BC364424  Senecio triangularis John Thomas Howell 1937-7-22 13306 Siskiyou South Fork of Salmon River near Big Flat 1524 Comment
  HSC96431  Senecio triangularis Gordon Leppig, Tony LaBanca, Leonel Arguello 1997-6-27 475 Siskiyou Russian Wilderness, cirque W of Little Duck Lake 2200 Comment
  CAS-BOT-BC364429  Senecio triangularis Gilbert Muth 1965-8-2 s.n. Siskiyou Meadow at Marble Valley Comment
  HSC39742  Sherardia arvensis J. O. Sawyer 1970-4-4 2093 Siskiyou Along Sugar Creek 823 Comment
  UCR66584  Sibbaldia procumbens L. C. Wheeler 1934-8-2 3018 Siskiyou Siskiyou Mtns, Alex hole, Alex Canyon 1890 Comment
  HSC46130  Sidalcea malviflora subsp. nana J. P. Smith 1976-5-5 8703 Siskiyou Road between Forks of Salmon and Somes Bar. 366 Comment
  HSC81753  Sidalcea oregana subsp. spicata Thomas W. Nelson, Jane Nelson 1980-7-20 6185 Siskiyou Above and to SE of Big Carmen Lake 1738 Comment
  JEPS67263  Sidalcea oregana subsp. spicata Geo. D. Butler 1908-7-23 62 Siskiyou Eastlick's Ranch Oro Fino, Eastlick's Ranch Comment
  UC725676  Sidalcea oregana subsp. spicata A. A. Heller 1916-7-20 12474 Siskiyou near Wagon Creek Falls (e side Mt. Eddy); e side of Mt. Eddy, near Wagon Creek Falls 1524 Comment
  SBBG2045  Silene bernardina H. and M. Dearing 1939-7-1 3787 Siskiyou Salmon Mtn 1828 Comment
  UC668092  Silene campanulata Joseph P. Tracy 1935-8-1 14421 Siskiyou 1 mi e Salmon Summit Mine (head of Knownothing Creek); , e of Salmon Summit Mine 1767 Comment
  CAS-BOT-BC388964  Silene grayi Geo. B. Grant 1902-9-7 s.n. Siskiyou Mt Shasta, Horse Camp Comment
  CAS-BOT-BC388969  Silene grayi K. T. Stillman 1976-8-7 173 Siskiyou Marble Mountain Wilderness Area 2072 Comment
  CHSC96163  Silene grayi L. P. Janeway 2006-7-3 8769 Siskiyou Klamath Ranges. Salmon Mountains; 100 m west of the Taylor Lake Trailhead Road 0.8 km south of the main road. North-facing edge at top of narrow rocky spur ridge. 1820 Comment
  JEPS84223  Silene grayi L. R. Heckard with S. D'Alcamo, J. Hickman, S. Winchester 1986-7-16 6338 Siskiyou ca 1/2 air mi from Red Butte (ca 7 mi nne of Seiad Valley, w of Cook and Green Pass); nne of Seiad Valley, w of Cook and Green Pass 1730 Comment
  HSC606  Silene grayi William J. Ferlatte 1967-7-26 753 Siskiyou Caribou Basin, N slope on Sawtooth Ridge 2287 Comment
  CAS-BOT-BC389433  Silene lemmonii Alice Eastwood 1912-8-30 s.n. Siskiyou Mount Eddy Comment
  HSC99987  Silene lemmonii Thomas W. Nelson 2005-7-16 9379 Siskiyou Along F. S. Rd. 42N16. 1337 Comment
  UC165987  Silene menziesii Geo. D. Butler 1910-6-1 1445 Siskiyou Yreka Creek Comment
  UC595107  Silene menziesii David D. Keck 1938-8-7 4853 Siskiyou 2 mi e Callahan (Scott Mountain Lodge, on E Fork Scott River at junction with Mill Creek); E Fork Scott River at jct w/ Mill Creek 1000 Comment
  CAS-BOT-BC175054  Silene suksdorfii Wm. Bridge Cooke 1938-9-8 11648 Siskiyou North side of Red Butte Comment
  CDA3895  Sinapis arvensis T. C. Fuller 1958-4-17 4823 Siskiyou 1 mile south of Montague. 0 Comment
  JEPS53887  Sisymbrium altissimum W. L. Kleaver 1919-6-10 2 Siskiyou Yreka Comment
  JEPS107648  Sisyrinchium bellum Lowell Ahart, John Dittes 2005-6-10 12102 Siskiyou Steep slope, 30 yards east of the Shasta River, near the south fence, 100 yards south of the pump house along the Shasta River, about 1.9 miles (air) south of Highway 99/97 Cutoff, about 6 miles (air) east-southeast of Grenada 776 Comment
  JEPS941  Sium suave Willis L. Jepson July, 1894 13241 Siskiyou n of Sisson (Mount Shasta, by the stage-road); Mount Shasta Comment
  SEINET3154290  Smilacina sessilifolia G. D. Butler 1910-5-15 1343 Siskiyou McAdams Creek Comment
  HSC61170  Smilax californica Al Hobart 1967-8-8 Siskiyou El Capitan Comment
  HSC62277  Smilax californica Ruby Van Deventer Aug 1957 Siskiyou Youngs Valley. Comment
  UC336536  Smilax californica unknown Jul. 1878 Siskiyou near Shasta Comment
  UC60938  Smilax californica Geo. B. Grant September, 1902 5214 Siskiyou Dunsmuir Mount Shasta 609 Comment
  CDA39211  Smilax californica County Ag Comm. Office 1957-10-17 s.n. Siskiyou M. Williams property. 0 Comment
  CDA5945  Solanum dulcamara E. Deal 1963-10-1 Siskiyou Shasta Valley; Paul Kottel property, Grenada. 0 Comment
  CHSC71606  Solanum parishii Vernon H. Oswald; Lowell Ahart 1998-8-3 9458 Siskiyou Kangaroo Lake Rd. (USFS 41N08) 2.6 mi southeast of Gazelle-Callahan Rd. At roadside. 1426 Comment
  JEPS12122  Solanum triflorum Fred P. Cronemiller Jr. 1929-8-6 Siskiyou Paynes Cove, Modoc National Forest Paynes Cove; Modoc National Forest, Paynes Cove 1341 Comment
  CAS-BOT-BC157025  Solanum umbelliferum Louis C. Wheeler 1934-7-3 2853 Siskiyou Soda Creek, Klamath National Forest 1707 Comment
  RSA14375  Solanum umbelliferum Elmer I. Applegate 1898-5-15 2137 Siskiyou Klamath River, between Shovel Creek and Fall Creek 793 Comment
  RSA68903  Solanum umbelliferum A. E. Culbertson 1943-7-24 54 Siskiyou Castle Lake, 5434', in a N facing cirque with an abrupt 1000' backwall. 14 miles SW of Mt. Shasta on N side of a 6000' eastern spur of Trinity Mtns. 2000' above Sacramento River within 10 air miles of its headwaters to the W. Comment
  RSA211503  Solidago canadensis subsp. elongata William J. Ferlatte 1966-8-18 415 Siskiyou Along the South Fork of the Salmon River between the campground and Carter's. 1524 Comment
  HSC6196  Solidago multiradiata D. M. Thomson 1965-8-14 193 Siskiyou California Lave Beds National Park; Tichner Rd., 2 mi. SW of Mammoth Crater Comment
  UC133241  Solidago multiradiata E. B. Copeland 1903-8-18 3843 Siskiyou Mt. Eddy Comment
  CHSC69073  Solidago velutina subsp. californica Vernon Oswald; Lowell Ahart 1997-7-28 8791 Siskiyou Southeast of Medicine Lake at Paynes Springs. On the floor and walls of Paynes Creek Canyon north of the campground. 1981 Comment
  JEPS95109  Solidago velutina subsp. californica Vernon Oswald and Lowell Ahart 1997-7-28 8791 Siskiyou se of Medicine Lake at Paynes Springs, on floor and walls of Paynes Creek Canyon n of the campground Medicine Lake; Paynes Springs, Paynes Creek Canyon 1981 Comment
  OBI55540  Solidago velutina subsp. californica David J. Keil, Kathleen Keil 1992-7-24 23566 Siskiyou E of McCloud along hwy 89, 22.6 mi W of Shasta County line Comment
  OBI55541  Solidago velutina subsp. californica David J. Keil, Kathleen Keil 1992-7-24 23566 Siskiyou E of McCloud along hwy 89, 22.6 mi W of Shasta County line Comment
  UC36211  Solidago velutina subsp. californica State Survey c. 1889 Siskiyou Shasta Region Comment
  CAS-BOT-BC374523  Sonchus asper W. B. Cooke; V. G. Cooke 1963-7-12 34329 Siskiyou Memorial Highway, Mt. Shasta Comment
  CAS-BOT-BC157325  Sorbus californica Wm. Bridge Cooke 1939-6-30 13576 Siskiyou Along the Sisson Southern Trail Comment
  CAS-BOT-BC158934  Sorbus scopulina W. R. Dudley 1901-8-1 s.n. Siskiyou Salmon Mountains Comment
  CAS-BOT-BC158939  Sorbus scopulina Doris K. Kildale 1928-8-18 6453 Siskiyou Lead of north fork of Salmon River at Finley's Upper Camp Comment
  RSA237451  Sorbus scopulina var. cascadensis Frederick W. Oettinger 1969-9-4 1665 Siskiyou S end of Tobacco Lake Basin. Salmon Mtns. High Lake Basins in the vicinity of English Peak. Marble Mtn Wilderness Area. 1951 Comment
  UC1198763  Sorbus scopulina var. cascadensis Joseph P. Tracy 1935-8-1 14404 Siskiyou Rock Lake New River (between Salmon and; at extreme W. Fork of Knownothing Creek); Rock Lake, Knownothing Creek 1889 Comment
  HSC96873  Sparganium angustifolium Gordon Leppig 1997-8-23 672 Siskiyou Russian Wilderness; cirque W of Little Duck Lake 2200 Comment
  RSA577542  Spartina gracilis L. C. Wheeler 1935-6-30 3628 Siskiyou Shasta Valley, 3 miles S of Grenada. 793 Comment
  RSA0097343  Spergularia rubra Frederick W. Oettinger 1968-9-3 674 Siskiyou Salmon Mtns. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. Meadow southeast of Horse Range Lake. 1821 Comment
  RSA0097344  Spergularia rubra Frederick W. Oettinger 1969-8-31 1569 Siskiyou Weed patch near English Lake; Salmon Mts; The high lake basins in the vicinity of English Peak, Marble Mt. Wilderness Area. 1753 Comment
  POM141116  Spiraea douglasii E. B. Copeland 1903-8-12 3836 Siskiyou Sisson. 1067 Comment
  SCFS182  Spiraea douglasii P. Billings 1965-7-13 124 Siskiyou Death Horse Creek Canyon Rd, at intersection of Hwy 89 1494 Comment
  UCSB24987  Spiraea douglasii Keefe, Joseph 1967-7-11 Siskiyou Near summit of hill by Little Castle Lake; south of Castle Lake, 10 miles southwest of town of Mt. Shasta 2011 Comment
  HSC90554  Spiraea splendens var. splendens Jennifer Whipple 1976-7-14 1465 Siskiyou Wagon Creek Drainage near Wagon Creek 2195 Comment
  SEINET9345824  Stachys ajugoides Unknown 2002-7-12 1902 Siskiyou Klamath National Forest Comment
  HSC2385  Stachys rigida William J. Ferlatte 1966-8-19 439 Siskiyou Kidd Creek Trail. 1707 Comment
  HSC63578  Stachys rigida J. P. Smith, J. O. Sawyer 1971-9-18 4843 Siskiyou 2 mi. W of the junction of Hwy. 3 and Rd. 8, N of Callahan. 1037 Comment
  SEINET187664  Stellaria borealis subsp. sitchana W. Bridge Cooke 1940-7-5 15276 Siskiyou Wagon Camp. 1737 Comment
  JEPS51153  Stellaria calycantha Milo S. Baker 1898-8-1 487 Siskiyou 1 mi s Medicine Lake Comment
  POM101747  Stellaria longipes Geo. D. Butler 1910-6-6 1463 Siskiyou Quartz Valley Comment
  UC8681  Stellaria longipes var. longipes C. B. Bradley 1879-1 Siskiyou Comment
  RSA264968  Stenanthium occidentale G. L. Clifton 1975-7-29 6042 Siskiyou Near Copper Butte 1329 Comment
  HSC61988  Stenanthium occidentale Ruby Van Deventer 25 Jul [year missing] Siskiyou Rattlesnake Meadow 1524 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
  JEPS36869  Stephanomeria lactucina Willis L. Jepson Jul 24 1894-Aug 10 1894 Siskiyou Mt. Shasta Region of the Upper Sacramento Comment
  CAS-BOT-BC375638  Stephanomeria lactucina W. R. Dudley 1899-8-9 s.n. Siskiyou Mesa above Upton, south of Black Butte Comment
  CDA8847  Stephanomeria lactucina G. C. Fleischman 1946-7-26 Siskiyou Northern California; Mr. Shasta, Dunsmuir area. 0 Comment
  POM56351  Stephanomeria lactucina Copeland 1903-8-15 3838 Siskiyou Sisson. Comment
  CAS-BOT-BC375942  Stephanomeria virgata Louis C. Wheeler 1934-7-17 2912 Siskiyou Klamath National Forest. Cottonwood Creek 1036 Comment
  CAS-BOT-BC61131  Streptanthus barbatus Peter H. Raven 1956-9-5 10455 Siskiyou North Fork of the Sacramento River. 2011 Comment
  CHSC67485  Streptanthus barbatus James D. Jokerst 1992-7-30 3426 Siskiyou Top of divide between Trinity River, summit of reddish mountain S of road crossing saddle. [No additional location data; W of Interstate 5? V. Oswald]. Comment
  CAS-BOT-BC87874  Streptanthus tortuosus Donald Myrick 1961-6-20 273 Siskiyou Near Mount Shasta City. 1066 Comment
  CAS-BOT-BC87875  Streptanthus tortuosus Louis C. Wheeler 1935-6-27 3600 Siskiyou Head of Etna Creek, Marble Mountains. 1798 Comment
  LA51446  Streptanthus tortuosus C. L. Hitchcock; J. P. Martin 1939-7-7 5281 Siskiyou on side of Sanger Peak 1645 Comment
  RSA142606  Streptanthus tortuosus P. A. Munz 1960-8-22 24193 Siskiyou Panther Meadows, Mount Shasta 2530 Comment
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Jun 28 2018
  UCSB13059  Streptanthus tortuosus 1962-6-11 Siskiyou Base of Black Butte along U.S. Highway 99, 4 miles south of Weed 1188 Comment
  UC70401  Streptanthus tortuosus var. orbiculatus Milo S. Baker 1899-7-31 Siskiyou above Warren and Anderson's Mill; Mt. Shasta, Ash Creek Comment
  HSC58949  Streptopus amplexifolius Marvin Butler 1971-7-9 79 Siskiyou Near El Capitan 1464 Comment
  CAS-BOT-BC516441  Streptopus amplexifolius W. R. Dudley 1907-8-25 s.n. Siskiyou Salmon Mts. Comment
  RSA184799  Streptopus amplexifolius Gilbert Muth 1966-7-24 443 Siskiyou Marble Valley, along creek, Marble Mountains. 1793 Comment
  RSA210857  Suaeda calceoliformis R. F. Thorne, J. Henrickson, C. W. Tilforth, K. Thorne 1969-9-3 39041 a Siskiyou 2 miles W of Lower Klamath National Wildlife Refuge 1296 Comment
  HSC62451  Swertia albicaulis var. nitida Ruby Van Deventer 27 Jul [year missing] Siskiyou Twin Valley Comment
  RSA498175  Symphoricarpos Chadwick, Chadwick 1911-07 s.n. Siskiyou Shasta Springs. Comment
  CAS-BOT-BC269623  Symphoricarpos albus var. laevigatus Alice Eastwood 1917-9-2 6702 Siskiyou Shasta Springs Comment
  CHSC56532  Symphoricarpos albus var. laevigatus L. P. Janeway 1984-6-21 860 Siskiyou South side of Klamath River just east of Humbug Point. 594 Comment
  CAS-BOT-BC234797  Symphoricarpos mollis John Thomas Howell 1937-7-23 13362 Siskiyou South Fork of Salmon River near Big Flat 1524 Comment
  HSC69557  Symphoricarpos mollis Maralyn A. Renner 1980-8-6 2293 Siskiyou Along trail, 0.5 mi. SE of Cyclone Gap. 1585 Comment
  HSC58869  Symphyotrichum bracteolatum Marvin Butler 1971-8-31 309 Siskiyou Near Bell Echo Camp, close to the town of Cave Junction 1220 Comment
  HSC76895  Symphyotrichum foliaceum K. T. Stillman 1976-9-9 485 Siskiyou Marble Mountain Wilderness Area; jump off point, trail to Box Camp 1951 Comment
  CAS-BOT-BC98941  Symphyotrichum foliaceum var. parryi John Thomas Howell 1939-8-7 15133 Siskiyou Sky High Valley, Marble Mts. 1828 Comment
  UC609325  Symphyotrichum hendersonii Eleanor Burks Hart 1938-8-16 898 Siskiyou west slope of Lower Wright Lake Lower Wright Lake 2072 Comment
  HSC29225  Symphyotrichum hendersonii Frederick W. Oettinger 1968-9-10 815 Siskiyou NW of Horse Range Lake; Salmon Mtns, English Peak area 1822 Comment
  CAS-BOT-BC98437  Symphyotrichum spathulatum Peter H. Raven 1956-9-5 10449 Siskiyou North Fork of Sacramento River 2194 Comment
  UC135391 Image available Symphyotrichum spathulatum Dr. E. B. Copeland 1903-9-7 Siskiyou Mt. Eddy 2743 Comment
  JEPS81907  Symphyotrichum spathulatum Roger Raiche 1982-10-14 20825 Siskiyou Stewart Springs Road 914 Comment
  CAS-BOT-BC221959  Taeniatherum caput-medusae John Thomas Howell 1952-6-15 28365 Siskiyou Just east of Montague Comment
  CDA2535  Taeniatherum caput-medusae G. D. Barbe, J. T. Howell, T. C. Fuller 1980-5-2 2783 Siskiyou Yreka. West of Motel 6, south of town, north of Greenhorn Creek Road. Comment
  UCD86207  Taeniatherum caput-medusae H. S. Yates 1936-6-21 5808 Siskiyou Yreka. 1/2 mile NE of Hilt. California Forest and Range Experiment Station. 1036 Comment
  CDA7683  Taraxacum officinale G. D. Barbe, J. T. Howell, T. C. Fuller 1980-4-29 2640 Siskiyou Between highway and East Fork Scott River, 150 meters east of Highway 3 bridge, 3.2 km east of Callahan. Comment
  HSC33992  Taraxacum officinale J. P. Smith 1974-5-25 7476 Siskiyou Along Rd. 8, 4.7 mi. W of its junction with Hwy. 3 1159 Comment
  CDA37991  Taraxia subacaulis T. C. Fuller 1962-6-13 8988 Siskiyou Toad Well, road to Medicine Lake, ca. 12 miles northeast of Bartle. 0 Comment
  UCD107056  Taraxia tanacetifolia J. P. Smith; Steve Selva 1970-8-9 4586 Siskiyou Roadside by Grass Lake. Comment
  HSC18878  Taxus brevifolia J. O. Sawyer 1968-9-13 758 Siskiyou W Branch Campground on Indian Creek N of Happy Camp Comment
  RSA120813  Taxus brevifolia G. D. Barbe 1955-7-9 158 Siskiyou S side of Kangaroo Lake, Scott Mtns. 1829 Comment
  CAS-BOT-BC447414  Tellima grandiflora Doris K. Kildale 1928-7-4 5473 Siskiyou 3 miles west of Summit on Sawyers Bar - Etna Mills road. Comment
  HSC68511  Tellima grandiflora Maralyn A. Renner 1980-6-25 1121 Siskiyou Little South Fork Indian Creek, W Fork 1220 Comment
  CAS-BOT-BC447419  Tellima grandiflora Dorothy Parker 1950-6-15 454 Siskiyou Kidder Creek 914 Comment
  CHSC27067  Tetradymia canescens K. Bridwell 1978-7-20 Siskiyou Top of Big Tablelands. Ca. 20 mi ne of Macdoel, ca. 1 mi w of Lower Tulelake. 1365 Comment
  JEPS60729  Thalictrum fendleri var. polycarpum Geo. D. Butler 1908-8-9 359 Siskiyou near Shackelford summit; Wooly Creek 1767 Comment
  HSC36872  Thysanocarpus curvipes J. P. Smith 1974-5-25 7517 Siskiyou Along Rd. 8, 2.4 mi. W of its junction with Hwy. 3 976 Comment
  HSC41079  Thysanocarpus curvipes J. O. Sawyer 1970-3-4 2068 Siskiyou N of Idlewild Campground. 762 Comment
  HSC41080  Thysanocarpus curvipes J. O. Sawyer 1970-3-4 2069 Siskiyou N of Idlewild Campground. 762 Comment
  HSC101486  Tiarella trifoliata var. unifoliata J. P. Smith, J. O. Sawyer 2011-7-21 13035 Siskiyou Near Dillon Camp 1358 Comment
  UCR101152  Tiarella trifoliata var. unifoliata L. C. Wheeler 1959-7-25 7602 Siskiyou Marble Mtns, Camp Three, Rogers Creek 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
  RSA760959  Tofieldia occidentalis subsp. occidentalis Robert F. Thorne, Frederick W. Oettinger 1969-8-4 63387 Siskiyou Klamath National Forest, Salmon Mountains, Marble Mountain Wilderness Area, high lake basins in the vicinity of English Peak 1890 Comment
  CHSC43139  Tolmiea menziesii R. Banchero 1982-8-17 649 Siskiyou Ca 6 mi n of Happy Camp. N 1/4 mi from jct of F. S. roads 18N16 and 18N22 along 18N22. 975 Comment
  RSA240052  Tolmiea menziesii Frederick W. Oettinger 1969-8-9 1320 Siskiyou Along main N Fork trail between Five mile Stockgate and Abbott s upper cabin, Salmon Mts. The High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1357 Comment
  POM43378  Tonella tenella Geo. D. Butler 1910-4-17 1193 Siskiyou Near Yreka. Comment
  HSC6294  Tragopogon dubius D. M. Thomson 1965-6-19 105 Siskiyou Lava Beds National Monument; 1.5 mi. N of Merril Ice Cave, on fire road Comment
  HSC68346  Trientalis latifolia J. P. Smith 1973-5-5 6401 Siskiyou In and around the O'Neill Campground near Seiad Valley. 488 Comment
  RSA460865  Trientalis latifolia Edwin Kline 1920-6-24 14844 Siskiyou Siskiyou Mts. Comment
  UC353909  Trifolium depauperatum var. depauperatum Milo S. Baker 1927-4-1 2029 a Siskiyou above house (Maple Glen) Comment
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May 19 2012
  JEPS101153  Trifolium eriocephalum var. eriocephalum Dean W. Taylor 1996-6-19 15713 Siskiyou Lime Gulch; bordering Shasta Valley (about 15 miles south of Yreka) 1188 Comment
  HSC30416  Trifolium howellii Frederick W. Oettinger 1968-7-17 557 Siskiyou Pine Lake Meadow; elev. 6150 ft 1875 Comment
  JEPS65929  Trifolium howellii Geo. D. Butler 1898-5 385 Siskiyou below Log Lake (canyo of Shackelford Cree) 1432 Comment
  CAS-BOT-BC219044  Trifolium howellii Lillian Mott 1976-7-18 57 LM76 Siskiyou Meadow at base of Kangaroo Mt. west of Cook and Green Pass 1828 Comment
  POM313506  Trifolium howellii Kennedy 1926-6-21 s.n. Siskiyou Shackleford Creek Comment
  HSC58923  Trifolium longipes Marvin Butler 1971-7-6 20 Siskiyou Near El Capitan, close to Cave Junction 1 Comment
  JEPS75360  Trifolium variegatum Geo. D. Butler 1909-6-5 797 Siskiyou near Yreka (McNutty's field) Comment
  HSC44484  Trifolium willdenovii K. Irwin 1977-5-22 391 Siskiyou On South Fork Salmon River Rd., 4 mi. E of Cecilville Comment
  JEPS74422  Trifolium wormskioldii W. J. Ferlatte 1966-8-2 228 Siskiyou Big Flat hillside Trinity Alps (betw campground and Sout Fork Salmon River) Comment
  SEINET3151091  Triglochin maritima G. D. Butler 1910-8-21 1846 Siskiyou Shasta Valley Comment
  HSC18968  Trillium ovatum G. L. Clifton, Griswold 1979-6-28 6140 Siskiyou Near Upper Devils Peak, close to the town of Seiad Valley 1738 Comment
  CHSC95115  Trillium ovatum subsp. oettingeri L. P. Janeway 2006-7-2 8739 Siskiyou Klamath Ranges. Salmon Mountains; headwaters of West Fork Whites Gulch, a tributary of North Fork Salmon River from the south; between sharp switchbacks of Road 40N61. Steep north-facing slope just above alder-shaded creek. 1561 Comment
  UC1299348  Trillium ovatum subsp. oettingeri Freed W. Hoffman 1950-7-13 3638 Siskiyou S. Fork Indian Creek Rd. to Baldy Mt. (1.1 mi. before reaching Lookout) Comment
  CAS-BOT-BC200272  Trisetum spicatum A. A. Heller 1914-8-28 11735 Siskiyou On the east side of Mt. Eddy 2438 Comment
  HSC41807  Trisetum spicatum Robert Wharton 1977-8-20 Siskiyou Along E slope of Mt. Shasta at Wintun Glacier along ridge between Ash & Brewer Creeks 3354 Comment
  UCD94373  Trisetum spicatum R. Tofsrud 1948-8-1 s.n. Siskiyou Panther Meadow, Mt. Shasta. 2438 Comment
  HSC24102  Triteleia crocea J. O. Sawyer 1971-7-16 2432 Siskiyou Slope NE of Deep Lake 2165 Comment
  HSC68487  Triteleia crocea Maralyn A. Renner 1980-6-9 841 Siskiyou Ridge SE of FS Rd. 45N35 1341 Comment
  UC160439 Image available Triteleia crocea I. J. Condit 1911-7-27 Siskiyou Castle Lake; ; Castle Lake, Siskiyou Co. 1981 Comment
  UC1094393  Triteleia crocea var. modesta Rimo C. Bacigalupi with Galen Smith 1957-6-26 5945 Siskiyou ca. 6 mi. due s. Mt. Eddy (s. end Gumboot Lake, head of S. Fork Sacramento R.); S. Fork Sacramento R., Gumboot Lake 1859 Comment
  SEINET10472653  Triteleia grandiflora Mary Susan Taylor 1980-7-8 Taylor 3116 Siskiyou T39N R5W se sec 24, Dunsmuir quad; Shasta-Trinity Natl Forest; on ridge S of Castle Lake, above Hearts Lake. 2017 Comment
  CAS-BOT-BC522334  Triteleia hyacinthina Alice Eastwood 1921-7-24 10795 Siskiyou Castle Lake Comment
  CAS-BOT-BC522339  Triteleia hyacinthina Laura M. Lathrop 1903-7-17 s.n. Siskiyou Sisson Comment
  HSC30441  Triteleia hyacinthina Frederick W. Oettinger 1969-8-18 1415 Siskiyou Marble Mtn. Wilderness Area, trail to Horse Range Lake 1768 Comment
  CHSC2087  Triteleia ixioides subsp. anilina M. Yoder 1941-6-28 Siskiyou Castle Lake. 1981 Comment
  UCD78068  Triteleia ixioides subsp. anilina Robert E. Preston 2002-6-21 1869 Siskiyou Klamath National Forest, Rainbow Mountain, S slope, N of Trout Creek 1691 Comment
  CAS-BOT-BC80261  Tsuga mertensiana subsp. grandicona J. M. Tucker 1963-7-8 3734 Siskiyou east side of Black Mountain, ca. 1 mile north of Marble Valley, Marble Mountain Wilderness Area 1981 Comment
  HSC27590  Umbellularia californica Carl W. Mize 1972-6-21 73 Siskiyou Along trail 320 Comment
  RSA15687  Urtica dioica subsp. holosericea Carl B. Wolf 1927-8-26 1073 Siskiyou On the Klamath River, near Hamburg. Comment
  UC1281488  Vaccinium H. E. McMinn 1931-6-27 2534 Siskiyou summit above Weitchpec Comment
  CAS-BOT-BC199195  Vaccinium cespitosum W. R. Dudley 1905-8-4 s.n. Siskiyou Foot of Mt Eddy Comment
  CHSC88625  Vaccinium cespitosum Gail A. Newton; Steven Harris 1981-7-18 2254 Siskiyou Klamath National Forest. Near the Dillon Divide. 1609 Comment
  JEPS116592  Vaccinium cespitosum Julie Kierstead Nelson with Rhonda Posey, Ross Olson 2007-8-1 2007 -024 Siskiyou The Eddys, west of Mt. Shasta. West side of Toad Lake, headwaters of Middle Fork of upper Sacramento River South China Mountain 2118 Comment
  HSC31510  Vaccinium membranaceum Steve Selva, Roger Jensen 1974-8-22 34 Siskiyou Trail from Doe Flat campground to Buck Lake Comment
  HSC19341  Vaccinium scoparium J. O. Sawyer 1969-7-9 1277 Siskiyou NE facing slope above S Sugar Lake 2256 Comment
  RSA238821  Valeriana sitchensis subsp. scouleri Frederick W. Oettinger 1967-7-30 214 Siskiyou Approx. 300 yards up tributary of Upper English Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1784 Comment
  RSA378040B  Veratrum californicum M. B. Dunkle 1944-7-18 9141 Siskiyou Siskiyou National Forest Comment
  UC164388  Veratrum insolitum Geo. D. Butler 1908-8-9 535 Siskiyou Marble Valley Comment
  HSC30440  Veratrum viride Frederick W. Oettinger 1968-8-1 346 Siskiyou Marble Mtn. Wilderness Area, S of Hancock Lake 2043 Comment
  RSA237232  Verbena lasiostachys var. lasiostachys Frederick W. Oettinger 1967-6-28 129 Siskiyou Mouth of Kelly Gulch, tributary of Salmon River. The Salmon Mountains. The High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 616 Comment
  POM128338  Veronica alpina var. alterniflora M. S. Baker 1898-8-1 489 Siskiyou Medicine Lake. Comment
  JEPS66525  Veronica anagallis-aquatica L. R. Heckard 1971-8-28 2781 Siskiyou about 5 mi n of Yreka (on old U.S. Hwy 99, under and e of bridge across Shasta River); Shasta River 731 Comment
  JEPS107655  Veronica catenata Lowell Ahart, John Dittes 2005-6-10 12098 Siskiyou Along the Shasta River, about 30 yards south of the pump house along the Shasta River, about 1.9 miles (air) south of Highway 99/97 Cutoff, about 6 miles (air) east-southeast of Grenada 776 Comment
  HSC90873  Veronica catenata L. R. Heckard, Peter Rubtzoff 1971-8-2 2699 Siskiyou Grain field area along Meese Lake-Sams Nech Rd., 2.2 mi. W of Macdoel 1280 Comment
  JEPS16441  Veronica copelandii John G. Lemmon 1888-9-7 Siskiyou near Mount Eddy (Trinity - Siskiyou County Region) Comment
  UC1473429  Veronica copelandii Gilbert Jerome Muth 1978-8-2 7402 Siskiyou near South China Mountain (close to town of Callahan) 2438 Comment
  UC1026906  Veronica peregrina subsp. xalapensis W. Bridge Cooke 1940-6-6 15081 A Siskiyou near the outlet of Castle Lake 1676 Comment
  CHSC1913  Veronica wormskjoldii K. Jaekel 1939-7-8 Siskiyou Panther Meadows, Mt. Shasta. 2316 Comment