Search Results — 2000 specimen records retrieved (1394 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/).
 Records are made available under the CCH Data Use Terms.

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? Specimen ID Determination * Collector Collection Date Collection Number County Locality Elevation in meters Feedback
  CAS-BOT-BC78128  Abies X shastensis W. R. Dudley 1899-8-24 s.n. Siskiyou Craggy Peak Comment
  HSC31519  Abies X shastensis Steve Selva, Roger Jensen 1974-8-26 57 Siskiyou E side of Little Duck Lake Comment
  RSA237423  Abies X shastensis Frederick W. Oettinger 1967-8-26 328 Siskiyou Top of English Peak. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2226 Comment
  HSC5001  Abies lasiocarpa J. O. Sawyer 1969-8-2 1696 Siskiyou Slopes W of Little Duck Lake 2226 Comment
  HSC5010  Abies lasiocarpa J. O. Sawyer 1968-10-8 754 Siskiyou W of Little Duck Lake 1936 Comment
  JEPS88680  Abies lasiocarpa var. lasiocarpa Donald V. Hemphill 1971-8-16 Siskiyou Deep Lake-Second Valley Trail Klamath National Forest, Scott Bar. Quad. 2194 Comment
  OBI36530  Abies magnifica David J. Keil 1983-7-3 17385 Siskiyou Slopes of Mt Shasta along Memorial Hwy Comment
  UC119058  Abies magnifica var. magnifica unknown 1885-9-1 Siskiyou Siskiyou Mts. Comment
  UC55653  Abies magnifica var. magnifica Harley P. Chandler 1901-6-1 1684 Siskiyou Marble Mountain North Coast Ranges, Marble Mountain 2438 Comment
  JEPS84283  Abies procera L. R. Heckard with R. Raiche and S. Winchester 1986-7-17 6487 Siskiyou ne of summit Copper Butte (e of Cook and Greene Pass) 1767 Comment
  UC454749  Acer circinatum I. J. Condit 1911-7-28 Siskiyou Shasta Retreat Comment
  LA202792  Acer glabrum var. glabrum Wm. Bridge Cooke; 1939-8-4 13809 Siskiyou Mt. Shasta, along the Sisson Southern Trail in branches of Cascade Gulch and in the Gulch. 1676 Comment
  SEINET12765788  Acer glabrum var. torreyi Mary Merello, H. H. Schmidt; L. Woodruff 1993-6-22 690 Siskiyou Sasta National Forest outside of Mt. Shasta City. Along Forest Service Road 26 to Lake Siskiyou.; 0 1090 Comment
  CAS-BOT-BC332790  Acer macrophyllum A. A. Heller 1920-8-11 13506 Siskiyou Metcalf's ranch, NE base of Mt. Eddy 1158 Comment
  HSC65098  Acer macrophyllum J. P. Smith 1973-5-5 6446 Siskiyou Trail to the Siskiyou cypress stand, off the Cook and Green Pass Rd. Comment
  UC166209  Acer negundo Geo. D. Butler 1910-6-30 1617 Siskiyou Yreka Creek Comment
  CAS-BOT-BC83  Achillea lanulosa subsp. lanulosa Amos Arthur Heller 1905-6-19 8067 Siskiyou Grenada, near Grenada (RR) station Comment
  HSC67706  Achillea millefolium John Palmer 1980-7-24 606 Siskiyou Klamath National Forest, Elk Hole 1503 Comment
  HSC67833  Achillea millefolium J. O. Sawyer, J. Cole 1980-7-22 3923 Siskiyou NW slopes of Cedar Mtn. 1524 Comment
  UC1483522  Achillea millefolium Maralyn A. Renner 1980-6-9 856 Siskiyou ridge se F.S. Road 45N35; Klamath National Forest, Yreka Quad. 1341 Comment
  UCD128359  Achillea millefolium P. Quentin Tomich 1954-6-20 421 Siskiyou southeast entrance of Lava Beds National Monument. 1341 Comment
  CAS-BOT-BC210717  Achnatherum lemmonii Geo. D. Butler 1909-6-4 810 Siskiyou Near Yreka Comment
  JEPS104958  Achnatherum nelsonii subsp. dorei Dean W. Taylor 1996-6-28 15760 Siskiyou Antelope Mountain (about 8 air miles south of Yreka) 1798 Comment
  UCD55558  Achnatherum occidentale L. Whitney 1934-6-29 2193 Siskiyou Antelope Creek, near Tennant. 1463 Comment
  CAS-BOT-BC210866  Achnatherum occidentale subsp. californicum John Thomas Howell 1939-8-6 15095 Siskiyou Elk Mt., Marble Mts. Comment
  CAS-BOT-BC210868  Achnatherum occidentale subsp. californicum Alice Eastwood 1921-7-25 10851 Siskiyou Bigelows, McCloud River Comment
  RSA238981  Achnatherum occidentale subsp. californicum Frederick W. Oettinger 1968-9-6 744 -a Siskiyou Tom's Lake region, Edge of Bear Meadow . The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2188 Comment
  JEPS60369  Aconitum columbianum Geo. D. Butler 1908-8-3 363 Siskiyou Shackelford Creek, Log Lake 1524 Comment
  CAS-BOT-BC391514  Aconitum columbianum subsp. columbianum Alice Eastwood 1917-9-2 6640 Siskiyou Shasta Springs Comment
  CAS-BOT-BC391539  Aconitum columbianum subsp. columbianum H. A. Thomas; J. H. Thomas 1954-7-25 4521 Siskiyou Salmon - Trinity Mts. Vicinity of Rush Lake and Rush Creek Meadow. About 9 miles E of Cecilville 1981 Comment
  CAS-BOT-BC412911  Aconogonon davisiae Doris K. Kildale 1928-7-2 5369 Siskiyou Salmon Summit, via Horn Creek trail 1981 Comment
  CAS-BOT-BC412920  Aconogonon davisiae Gilbert J. Muth 1969-8-6 1221 Siskiyou Boulder Peak Comment
  HSC58965  Aconogonon davisiae Gilbert Muth 1975-10-1 4440 Siskiyou Near Kangaroo Mtn. 1920 Comment
  CAS-BOT-BC412909  Aconogonon davisiae A. A. Heller 1920-7-9 13429 Siskiyou Long bare easterly slope of Mt. Eddy 2438 Comment
  CAS-BOT-BC391703  Actaea rubra Gilbert Muth 1966-7-17 399 Siskiyou Trail to lookout, Marble Mts. 1798 Comment
  HSC77006  Actaea rubra K. T. Stillman 1976-6-25 84 Siskiyou Marble Mountain Wilderness Area. On N side of Elk Valley 1799 Comment
  SBBG15821  Actaea rubra D. Myrick 1961-6-20 290 Siskiyou Bear Springs on S slope of Mt Shasta 1676 Comment
  UC160923  Actaea rubra Harley P. Chandler June, 1901 1560 Siskiyou ridges & meadows near Marble Mt.; North Coast Ranges 1828 Comment
  HSC4991  Adenocaulon bicolor J. O. Sawyer 1968-7-10 459 Siskiyou Floodplain of Sugar Creek near Sugar Lake. 1799 Comment
  RSA239284  Adiantum aleuticum Frederick W. Oettinger 1966-6-23 28 Siskiyou Cecil Creek about 100 yards from where it crosses Black Gulch Road, Salmon River District, Klamath National Forest, Cecilville Comment
  SD88560  Agastache urticifolia Darley F. Howe 1972-7-6 Siskiyou 1.3 miles south of Oregon state line on road to Happy Camp 1646 Comment
  UC922471  Agastache urticifolia Annie M. Alexander and Louise Kellogg 1949-7-21 5824 Siskiyou s Paradise Lake (Paradise Lake, Marble Mountains); Marble Mountains, Paradise Lake 1920 Comment
  UCLA72413  Agastache urticifolia Edward Lee 1934-8-15 1125 Siskiyou summit of the Happy Camp - Waldo (Ore.) road; watershed of Indian Creek 1615 Comment
  CAS-BOT-BC29445  Ageratina occidentalis John Thomas Howell 1939-8-8 15138 Siskiyou Between Sky High Valley and Marble Valley Comment
  HSC78375  Agoseris aurantiaca L. P. Janeway 1983-9-11 658 Siskiyou Poker Flat 1524 Comment
  UC922276  Agoseris aurantiaca var. aurantiaca Annie M. Alexander and Louise Kellogg 1949-7-22 5839 Siskiyou trail to Kings Castle ((top of ridge)); Marble Mountains, Paradise Lake 1920 Comment
  HSC43334  Agoseris grandiflora Maralyn O'Meara 1974-5-27 473 Siskiyou Along FS Rd. 47N03 1646 Comment
  CAS-BOT-BC22782  Agoseris heterophylla Roxana S. Ferris; Laura Lorraine 1948-6-12 11837 Siskiyou Gazelle Mountain Grade, road between Gazelle and Callahan 1499 Comment
  JEPS93824  Agoseris heterophylla Vernon H. Oswald and Lowell Ahart 1998-6-11 9196 Siskiyou 9 air mi e of Grass Lake (22 air mi ne of Weed, Dry Lake on the s side of Tennant Road); Dry Lake, Tennant Road 1402 Comment
  HSC76761  Agoseris monticola K. T. Stillman 1976-9-9 492 Siskiyou Ridge above Paradise Lake, Marble Mountain Wilderness Area Comment
  UC61074  Agoseris retrorsa W. A. Setchell, C. C. Dobie 1902-7-13 Siskiyou Sisson; Mount Shasta Comment
  UC618636  Agrostis alba W. B. Cooke 1938-9-17 11693 Siskiyou Mount Shasta , Horse Camp Comment
  JEPS68388  Agrostis exarata Geo. D. Butler 1909-6-28 852 Siskiyou along creek near Yreka Comment
  RSA126054  Agrostis exarata I. L. Wiggins 1955-7-22 13453 Siskiyou South Fork of Salmon River, 9.5 miles above Cecilville. 1067 Comment
  HSC76656  Agrostis idahoensis K. T. Stillman 1976-7-23 295 Siskiyou Marble Mtn. Wilderness Area 2012 Comment
  JEPS84087  Agrostis idahoensis L. R. Heckard with S. D'Alcamo, J. Hickman, S. Winchester 1986-7-16 6340 Siskiyou ca 7 mi nne Seiad Valley (sw of Cook and Green Pass, ca 0.5 mi se of Red Butte) 1730 Comment
  SEINET7594039 Image available Agrostis idahoensis F. W. Oettinger 1968-9-7 765 Siskiyou W. Siskiyou County, Tobacco Lake, Salmon Mountains 1890 Comment
  HSC30515  Agrostis pallens Frederick W. Oettinger 1969-8-16 1390 Siskiyou Marble Mtn. Wilderness Area, rocky slope facing meadow near Upper English Lake 1768 Comment
  HSC65672  Agrostis pallens Donald W. Miles 1979-7-23 25 Siskiyou 8 mi. N of Pondosa CDF station, short road spur off of Short Grade Rd. 1012 Comment
  JEPS100757  Agrostis pallens Dean W. Taylor 1999-8-12 17347 a Siskiyou Mill Creek headwaters, Marble Mountains (ca. 4 miles W of Mugginsville, Quartz Valley) 1889 Comment
  RSA239090  Agrostis pallens Frederick W. Oettinger 1969-9-1 1571 Siskiyou midway on slope from English Lake to Dry Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2134 Comment
  UCD37096  Agrostis stolonifera Beecher Crampton 1956-8-22 3868 Siskiyou Siskiyou County, south slope of Mount Shasta, 5.5 miles southwest of Panther Meadow, just north of Everitt Hill, on Wagon Camp Road. 1645 Comment
  HSC30453  Agrostis variabilis Frederick W. Oettinger 1969-9-2 1604 Siskiyou Marble Mtn. Wilderness Area, N side of English Peak. 2165 Comment
  RSA384933  Agrostis variabilis M. B. Dunkle 9317 Siskiyou Klamath Nat'l Forest, Marble Mountains, Sierra Nevada. Comment
  UC1059001  Agrostis variabilis Beecher Crampton 1956-8-22 3857 Siskiyou s slope Mount Shasta (Panther Meadow); s slope Mount Shasta, Panther Meadow 2316 Comment
  UC1108542  Agrostis variabilis Ira L. Wiggins 1955-7-27 13530 Siskiyou Caribou Lake Salmon-Trinity Alps Primitive Area, Caribou Lake 2042 Comment
  UC1037382  Alisma plantago-aquatica Douglas Barbe 1955-7-5 108 Siskiyou e limit Greenview (on road to Fort Jones, s side of road); Klamath Mountains, Greenview 883 Comment
  JEPS118137  Allium amplectens Dean W. Taylor 1988-7-8 9968 Siskiyou Gumboot Lake, headwaters South Fork Sacramento River 1950 Comment
  SEINET3883771  Allium amplectens D. E. Bright 1961-6-15 190 Siskiyou 5 miles west of Bray, California.; 0 Comment
  HSC39472  Allium bolanderi var. mirabile J. P. Smith, Steve Selva 1970-7-15 Siskiyou Baldy Mtn. Lookout Station 1723 Comment
  JEPS84243  Allium campanulatum L. R. Heckard with S. D'Alcamo, J. Hickman, S. Winchester 1986-7-16 6345 Siskiyou ca. 7 mi nne Seiad Valley (slope e of road, sw of Cook and Green Pass, ca. 1/2 mi se of Red Butte) 1730 Comment
  CAS-BOT-BC466758  Allium campanulatum W. B. Cooke 1939-7-7 13598 Siskiyou Along the Wagon Camp road just below Wagon Camp, Mount Shasta 1676 Comment
  CAS-BOT-BC469077  Allium falcifolium Arthur Menzies 1962-7-21 s.n. Siskiyou Mt Eddy 2529 Comment
  RSA367095  Allium falcifolium Christopher Davidson 1975-6-5 2695 Siskiyou 0.5 miles ENE on unnamed dirt road departing to east off highway 3 at Scott Mtn. summit. 1677 Comment
  RSA47622  Allium falcifolium Roxana S. Ferris, Laura Lorraine 11840 Siskiyou Gazelle Mountain grade, road between Callahan and Gazelle. 1500 Comment
  SEINET12048092  Allium siskiyouense Unknown 1945-1 59 Siskiyou summit of Siskiyou Mts, between Happy Camp and O'Brien, Oregon Comment
  HSC61854  Allium validum Ruby Van Deventer 1938-7-31 Siskiyou Poker Flat 1585 Comment
  UC164296  Allium validum Geo. D. Butler 1910-6-19 1577 Siskiyou Goosenest foothills 1524 Comment
  HSC44608  Allium validum Laura Witherspoon 1977-7-30 Siskiyou Flint Valley 1341 Comment
  CAS-BOT-BC453444  Allotropa virgata Harley P. Chandler 1901-6-1 1546 Siskiyou Near Marble Mountain, North Coast Ranges 1828 Comment
  HSC4966  Alnus incana subsp. tenuifolia J. O. Sawyer 1968-6-18 231 Siskiyou Valley bottom of Blakes' Fork. 1707 Comment
  CAS-BOT-BC169638  Alnus rhombifolia L. E. Smith 1914-5-21 705 Siskiyou Weed Comment
  HSC67668  Alnus viridis subsp. sinuata John Palmer 1980-7-24 588 Siskiyou Klamath National Forest, Elk Hole 1503 Comment
  CAS-BOT-BC17202  Alyssum alyssoides L. E. Smith 1913-5-27 299 Siskiyou Weed. Comment
  CHSC27776  Alyssum desertorum William F. Frank 1978-4-1 1 Siskiyou Foothills facing lake. Ca. 3 miles in to end of public access road at s Lake Shastina. 914 Comment
  HSC43150  Amaranthus powellii Ken Stillman 1976-8-24 426 Siskiyou Along Klamath River at Williams Point. 366 Comment
  OBI55534  Ambrosia artemisiifolia David J. Keil, Kathleen Keil 1992-7-24 23564 Siskiyou E of McCloud along hwy 89, 22.6 mi W of Shasta County line Comment
  CAS-BOT-BC136717  Amelanchier alnifolia var. pumila Donald Myrick 1961-6-20 279 Siskiyou On road to Bear Springs east of Mt. Shasta City Comment
  HSC44719  Amelanchier alnifolia var. pumila J. O. Sawyer, E. Cope 1977-6-18 2910 Siskiyou Along Clear Creek trail below Ten Mile Creek 457 Comment
  CAS-BOT-BC26878  Amelanchier gracilis Amos Arthur Heller 1905-6-5 7970 Siskiyou Between Shasta Retreat and Shasta Springs Comment
  HSC42880  Amelanchier pallida J. O. Sawyer, Ken Stillman 1976-5-29 2732 Siskiyou Junction of Specimen Creek and Little N Fork of the Salmon River 732 Comment
  HSC65271  Amelanchier pallida Rich White 1978-7-6 247 Siskiyou Pond above Elk Hole 1524 Comment
  JEPS123584  Amelanchier pallida C. S. Campbell, M. Lorusso 2011-5-20 11 -352 Siskiyou Pat Trinca's property, east side of Hilt Valley Comment
  UCD169265  Amelanchier pallida T. Bruchman 1978-7-1 297 Siskiyou Tule Lake National Wildlife Refuge, along Hill Road. Comment
  CAS-BOT-BC136883  Amelanchier utahensis T. H. Harris 1951-6-1 s.n. Siskiyou Happy Camp 1432 Comment
  CAS-BOT-BC136894  Amelanchier utahensis Roxana S. Ferris; Laura Lorraine 1948-6-12 11800 Siskiyou Scott Mt. Rd. so. of Callahan 1463 Comment
  UC1483468 Image available Amelanchier utahensis Maralyn A. Renner 1980-8-7 2432 Siskiyou ridge s Preston Peak; Klamath National Forest, Preston Peak Quad. 1950 Comment
Read comments
Dec 20 2007
  UC453989 Image available Amelanchier utahensis I. J. Condit 1911-7-16 Siskiyou Shasta Retreat Comment
  UC454971  Amelanchier utahensis I. J. Condit 1909-8-23 Siskiyou near Sisson (Castle Lake); Castle Lake 1828 Comment
  CAS-BOT-BC222294  Amsinckia Alice Eastwood; John Thomas Howell 1934-4-20 1766 Siskiyou Near Yreka along Shasta River Comment
  HSC36775  Amsinckia intermedia J. P. Smith 1974-5-25 7402 Siskiyou Along Rd. 8, 0.9 mi. from its junction with Hwy. 3 976 Comment
  JEPS107482  Amsinckia menziesii var. menziesii Lowell Ahart, John Dittes 2005-6-9 12046 Siskiyou Along the west 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
  UC164120  Amsinckia menziesii var. menziesii Geo. D. Butler 1910-5-3 1269 Siskiyou Yreka Comment
  JEPS25298  Amsinckia tessellata var. gloriosa Geo. D. Butler 1908-6-23 529 Siskiyou near Yreka (Butler Ranch); Butler Ranch Comment
  CAS-BOT-BC45204  Anaphalis margaritacea John H. Thomas; H. A. Thomas 1954-7-23 4465 Siskiyou Salmon-Trinity Mtns about 6 miles SE of Cecilville. Vicinity of Blind Horse Creek. 1036 Comment
  CAS-BOT-BC45215  Anaphalis margaritacea L. E. Smith 1913-8-30 533 Siskiyou Mount Eddy Comment
  POM215878  Androsace elongata subsp. acuta Louis C. Wheeler 1935-4-18 3432 Siskiyou Greenhorn Creek, Siskiyou Mountains. 945 Comment
  RSA461382  Androsace elongata subsp. acuta Louis C. Wheeler 1935-3-16 3372 Siskiyou Klamathon, Klamath River. 701 Comment
  UC165735  Androsace elongata subsp. acuta Geo. D. Butler 1909-3-7 579 Siskiyou near Yreka Comment
  CAS-BOT-BC391802  Anemone deltoidea Roxana S. Ferris; Laura Lorraine 1948-6-12 11740 Siskiyou French Creek Logging Road west of Callahan 1219 Comment
  HSC43  Anemone deltoidea William J. Ferlatte 1966-6-22 89 Siskiyou Along the S Fork of the Salmon River, between the campground and Carter's. 1524 Comment
  HSC68474  Anemone deltoidea Maralyn A. Renner 1980-6-26 1221 Siskiyou SE edge of Flint Valley. 1390 Comment
  CAS-BOT-BC391797  Anemone deltoidea H. M. Hall 1909-7-1 8675 Siskiyou Salmon Mountains. Salmon River 1584 Comment
  JEPS60521  Anemone multifida Geo. D. Butler 1908-8-5 45 Siskiyou summit above Cold Spring 1828 Comment
  CAS-BOT-BC391936  Anemone multifida Edna Kelsey 1961-6-1 s.n. Siskiyou Marble Mts. Summit of Marble Mountain Comment
  CAS-BOT-BC391938  Anemone multifida Gilbert Muth 1965-8-6 s.n. Siskiyou Backside of Black Mountain Comment
  HSC77116  Anemone multifida var. multifida K. T. Stillman 1976-6-25 64 Siskiyou Marble Mtn. Wilderness Area 2073 Comment
  UC637114  Angelica arguta Edward Lee 1934-8-14 1106 Siskiyou near summit of Little Grayback (Siskiyou-Del Norte County line); near summit of Little Grayback 1865 Comment
  UCD127104  Angelica arguta K. M. Meyer; A. Townesmith 2007-7-31 180 Siskiyou Shasta-Trinity National Forest, 8.1 miles on NF Rd. 17, off US Hwy 97. 1607 Comment
  RSA416692  Antennaria argentea B. C. Templeton 1960-6-21 8550 Siskiyou Near summit of Scott Mt. Comment
  CAS-BOT-BC59283  Antennaria argentea A. A. Heller 1905-6-8 7999 Siskiyou West of Yreka Comment
  HSC22433  Antennaria argentea J. O. Sawyer 1969-6-11 835 Siskiyou Lower slope next to the C.C.C. road on the N fork of Horse Range Creek 1357 Comment
  UC485652  Antennaria geyeri T. S. Brandegee Siskiyou Sisson Comment
  HSC69160  Antennaria howellii Maralyn A. Renner 1980-8-4 2208 Siskiyou Flint Valley 1390 Comment
  HSC62588  Antennaria microphylla Al Hobart Siskiyou Youngs Valley Comment
  RSA238705  Antennaria racemosa Frederick W. Oettinger 1969-7-29 1109 Siskiyou Occasional on open, granitic, rocky slope NNW of Upper English lake; western exposed and growing beneathe a sugar pine. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2012 Comment
  UC1409466  Antennaria rosea Frederick W. Oettinger 1968-8-14 516 Siskiyou Bear Meadow, midway between Tom Taylor Cabin and English Peak Lookout Salmon Mountains, English Peak, Marble Mountain Wilderness A 2004 Comment
  UC891547  Antennaria rosea J. Thomas Howell 1937-7-21 13177 Siskiyou near Big Flat; South Fork of Salmon River 1524 Comment
  HSC29209  Antennaria rosea subsp. rosea Frederick W. Oettinger 1968-8-14 516 Siskiyou High Lake Basins near English Peak, Marble Mountain Wilderness Area; on dry border of 'Bear Meadow', between Tom Taylor Cabin and English Peak Lookout 2005 Comment
  UCR93352  Anthemis cotula Kathy Harper, Dane Karr 1994-6-14 s.n. Siskiyou Sierra Nevada Mtns., State Hwy 96, south of Happy Camp (at mi. Marker 13.96) 244 Comment
  JEPS83421  Antirrhinum vexillocalyculatum subsp. breweri David M. Thompson 1983-7-1 362 Siskiyou 1.9 mi from Quartz Valley Rd. (not East Q.V.R) jct. with Scott River Rd. (down Quartz Valley Rd, e side of road, 1.0 mi from bridge over Mill Creek); Fort Jones Quad. (15', 1955) 853 Comment
  HSC3207  Apocynum androsaemifolium Geo. D. Butler 1908-7-20 74 Siskiyou Humbug Creek 854 Comment
  HSC61858  Apocynum androsaemifolium Ruby Van Deventer 1938-7-31 Siskiyou Poker Flat 1585 Comment
  HSC65081  Apocynum androsaemifolium J. P. Smith, Steve Selva 1970-6-15 3892 Siskiyou Oak Bottom Campground near Somes Bar. 229 Comment
  UC618796  Apocynum androsaemifolium unknown 1938-7-22 11327 Siskiyou Mt. Shasta, Sisson Southern Trail Comment
  UC637167  Apocynum androsaemifolium Edward Lee 1934-8-13 1071 Siskiyou Happy Camp to Waldo (Oregon) rd. Klamath Nat'l Forest, watershed of W. Branch of Indian Creek 1371 Comment
  CDA39740  Apocynum androsaemifolium T. C. Fuller 1960-6-29 4621 Siskiyou 6.5 miles southeast of Callahan, on road to Trinity Center. 0 Comment
  HSC96810  Apocynum androsaemifolium S. Lyon 2006-6-28 6 Siskiyou E side of Eddy Gulch Rd., 3 mi. S of the intersection with Sawyers Bar Rd. 915 Comment
  UC164102  Apocynum androsaemifolium Geo. D. Butler 1908-7-20 74 Siskiyou Humbry Creek Comment
  CAS-BOT-BC394982  Aquilegia formosa John Thomas Howell 1937-7-22 13318 Siskiyou S Fork of Salmon River near Big Flat 1524 Comment
  HSC69383  Aquilegia formosa var. formosa Maralyn A. Renner 1980-7-24 1954 Siskiyou Pacific Crest Trail above Lily Pad Lake. 1799 Comment
  HSC22441  Arabis divaricarpa J. O. Sawyer 1969-7-9 1257 Siskiyou W facing slope above Bingham Lake 2317 Comment
  HSC62591  Arabis glabra Al Hobart 1967-8-8 Siskiyou Youngs Valley Comment
  LA210045  Arabis glabra var. glabra W. B. C. after Rollins; 1939-7-21 13710 Siskiyou Bear Springs, Mount Shasta 1523 Comment
  POM94627  Arabis holboellii var. retrofracta Geo. D. Butler 1910-7-12 1763 Siskiyou Shackleford Creek. 1372 Comment
  RSA0128944  Arabis modesta Elmer I. Applegate 1932-4-16 7065 Siskiyou Between Hamburg and Seiad Valley, Klamath River Comment
  HSC62267  Arabis platysperma Al Hobart 1968-6-18 Siskiyou Youngs Valley Comment
  HSC81575  Arabis suffrutescens var. suffrutescens Thomas W. Nelson, Jane P. Nelson 1980-7-17 6094 Siskiyou Along FS Rd. 17, 0.5 mi. N of summit at county line 2073 Comment
  HSC100205  Arbutus menziesii J. P. Smith, , J. O. Sawyer, & R. J. Cole 2011-5-22 13180 Siskiyou Matthews Campground on the Cecilville to Forks of Salmon Road. 640 Comment
  SEINET2140102  Arceuthobium californicum R. L. Mathiasen 2003-1 2003 -37 Siskiyou 16 km from St. Rte 96 on forest rd. 14N21 (Killon Mtn. Rd.). 1360 Comment
  CAS-BOT-BC45440  Arctostaphylos nevadensis H. A. Thomas; J. H. Thomas 1954-7-24 4506 Siskiyou Salmon-Trinity Mts. Vicinity of Rush Lake and Rush Creek Meadow. About 9 mi. e. of Cecilville. 1828 Comment
  HSC69205  Arctostaphylos nevadensis Maralyn A. Renner 1980-9-1 2680 Siskiyou Bear Mtn. Comment
  HSC742  Arctostaphylos nevadensis William J. Ferlatte 1967-7-8 669 Siskiyou Near Le Roy Mine 2073 Comment
  CAS-BOT-BC46476  Arctostaphylos patula Charles H. Lamoureux; Lalit Srivastava; Roman Gankin 1957-11-4 260 Siskiyou US Highway 199, e. side of hwy, approximately 2 mi. n. of Weed. Comment
  CAS-BOT-BC46477  Arctostaphylos patula 1911-6-15 s.n. Siskiyou Jackson Lake. Comment
  CAS-BOT-BC46489  Arctostaphylos patula Mrs. H. P. Bracelin 1931-6-21 460 Siskiyou N. side of Mt. Eddy above Dobkin's Lake. 2133 Comment
  CAS-BOT-BC46521  Arctostaphylos patula Roger Raiche; Kurt Zadnik 1982-10-12 20820 Siskiyou On road to Mt. Eddy. 1524 Comment
  HSC68535  Arctostaphylos patula Maralyn A. Renner 1980-6-24 1076 Siskiyou 1/2 mi. E of Cook and Green Pass 1555 Comment
  LA42233  Arctostaphylos patula William Bridge Cooke; 1939-8-4 sn Siskiyou Mount Shasta, along the Sisson Southern Trail 1523 Comment
  RSA303434  Arctostaphylos patula Jim Shevock 1971-4-9 941 Siskiyou Near Desmuir. 701 Comment
  RSA785506  Arctostaphylos patula Doris Bowers 1972-9-1 1890 Siskiyou Glass Mt., S/o Lava Beds National Mon. 1829 Comment
  UC1483494  Arctostaphylos patula J. Sawyer and J. Cole 1980-7-21 3906 Siskiyou near Haight Mtn. (along F.S. rd running ssw); Klamath National Forest, Bray Quad. 1938 Comment
  CHSC33287  Arctostaphylos patula subsp. patula M. Yoder 1941-7-6 Siskiyou Castle Lake. 1981 Comment
  CAS-BOT-BC47021  Arctostaphylos viscida subsp. viscida Lewis S. Rose 1945-6-22 45162 Siskiyou Walker, Klamath River. 533 Comment
  POM367491  Arctostaphylos viscida subsp. viscida Geo L. Moxley 1920-06 s.n. Siskiyou Siskiyou Mts. Comment
  UC1608344  Arenaria congesta J. Kierstead 1990-7-15 90 -98 Siskiyou 6 mi w Town of Mt. Shasta; Shasta-Trinity National Forests,Mt. Shasta Ranger Dist., Mor 1584 Comment
  UC166124  Arenaria congesta var. congesta Geo. D. Butler 1909-6-22 965 Siskiyou Goosenest foothills Comment
  JEPS51409  Arenaria congesta var. suffrutescens Geo. D. Butler 1908-8-3 51 Siskiyou Log Lake 1371 Comment
  UC1034580  Arenaria congesta var. suffrutescens Douglas Barbe 1953-7-26 263 Siskiyou Klamath Mountains, Scott Mt., Yellow Pine Forest Community 1828 Comment
  UCD37073  Aristida oligantha Beecher Crampton 1956-8-20 3798 Siskiyou Siskiyou County, 0.5 mile south Dunsmuir, along U.S. Highway 99. 701 Comment
  CAS-BOT-BC82363  Arnica cordifolia H. E. Brown 1897-6-1 364 Siskiyou Near Mt. Shasta 2133 Comment
  RSA93460  Arnica discoidea M. S. Baker, H. K. Wagnon 1953-7-11 12833 Siskiyou 1.9 mi. above Whitlock Camp in open forest. 1372 Comment
  CAS-BOT-BC82661  Arnica latifolia Doris K. Kildale 1928-8-19 6549 Siskiyou Hancock Lake, on trail to Marble Mt. Comment
  HSC22199  Arnica latifolia J. O. Sawyer 1968-7-2 353 Siskiyou Upper drainage of Joe Creek on steep N facing slopes. 1677 Comment
  CAS-BOT-BC82658  Arnica latifolia Gilbert Muth 1966-7-19 431 Siskiyou Marble Mountain Lookout trail, Marble Mts. 1828 Comment
  HSC29113  Arnica latifolia Frederick W. Oettinger, R. F. Thorne 1969-8-6 1256 Siskiyou Marble Mtn. Wilderness Area, above flume in Tom's Lake Basin 1890 Comment
  UCD129209  Arnica latifolia J. M. Tucker; L. K. Mann 1963-7-5 3701 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
  UC76028  Arnica longifolia Milo S. Baker 1899-7-31 Siskiyou e slope, (on Oak Creek) Mt. Shasta; , Oak Creek Comment
  SBBG21764  Arnica mollis D. Myrick 1964-7-25 966 Siskiyou Panther Meadows below Ski Bowl Lodge, Mt Shasta 2346 Comment
  RSA238811  Arnica nevadensis Frederick W. Oettinger 1969-8-6 1221 Siskiyou South side of Pine Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1951 Comment
  CAS-BOT-BC85064  Arnica parryi Gilbert Muth 1966-7-31 476 Siskiyou Damp rocky areas, north side of Black Mountain, Marble Mts. 2057 Comment
  JEPS109883  Arnica viscosa Dean W. Taylor 2005-8-18 19467 Siskiyou Dry Creek Peak, cirque on north face at headwaters Antelope Creek (ca. 12 air miles NE of the summit of Mt. Shasta) 1950 Comment
  JEPS80597  Arrhenatherum elatius Gilbert Muth 1966-8-1 487 Siskiyou Marble Mountain Wilderness Area, Marble Valley Horse Pasture Marble Valley Horse Pasture Marble Valley Horse Pasture; Marble Mountain Wilderness Area, Marble Valley Horse Pasture 1792 Comment
  CAS-BOT-BC84976  Artemisia arbuscula subsp. arbuscula Louis C. Wheeler 1934-8-26 3226 Siskiyou Trapper Cr. - Klamath National Forest 1981 Comment
  CAS-BOT-BC84977  Artemisia arbuscula subsp. arbuscula Louis C. Wheeler 1934-8-26 3226 Siskiyou Trapper Cr. - Klamath National Forest 1981 Comment
  POM211808  Artemisia arbuscula subsp. arbuscula L. C. Wheeler 1934-8-26 3226 Siskiyou Trapper Creek, Siskiyou Mountains. (Mt Diablo Mer.) 1982 Comment
  UCD77360  Artemisia douglasiana Robert E. Preston 2003-7-29 2169 Siskiyou S slope of Rainbow Mountain 1977 Comment
  CAS-BOT-BC93710  Artemisia norvegica subsp. saxatilis Annetta Carter 1939-8-21 1470 Siskiyou Steep slope above southeast end of Taylor Lake, 12 miles southwest of Etna, Salmon Mountains 2194 Comment
  HSC35806  Artemisia norvegica subsp. saxatilis J. O. Sawyer 1969-8-18 1978 Siskiyou S of S Sugar Lake 2104 Comment
  CAS-BOT-BC97418  Artemisia tridentata subsp. tridentata George H. Ward; Ann Ward 1949-7-14 828 Siskiyou ca. 15 mi. NE of Weed Comment
  HSC29395  Aruncus dioicus var. acuminatus Frederick W. Oettinger 1969-8-9 1327 Siskiyou Marble Mtn. Wilderness Area, near Five Mile Point and Herr Creek 1098 Comment
  CAS-BOT-BC400589  Asarum caudatum Alice Eastwood 1917-9-2 6679 Siskiyou Shasta Springs Comment
  HSC96815  Asarum caudatum S. Lyon, J. McIntire 2006-6-25 20 Siskiyou On FS Rd. 39N27, 0.6 mi. W of intersection with FS Rd. 39N60, S side of road 1220 Comment
  RSA238015  Asarum caudatum Frederick W. Oettinger 1968-8-14 510 Siskiyou In deep shade of alder thicket approx 100 yards down stream from Tom Taylor Cabin Spring. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2012 Comment
  CAS-BOT-BC400690  Asarum hartwegii L. E. Smith 1913-6-2 327 Siskiyou Castle Crags Comment
  SEINET999811  Asclepias fascicularis Mark Fishbein, Lane Greer 2006-1 5886 Siskiyou Along Hill Road, 0.5 mi south of Devil's Homestead, Lava Beds National Monument, about 3.75 mi north-northwest of Schonochin Butte. 1285 Comment
  HSC3731  Asclepias fascicularis C. B. Wolf 1927-8-26 1056 Siskiyou Klamath River, 3 mi. below Gottenville Comment
  CHSC33056  Asclepias speciosa J. P. Smith; Steve Selva 1970-6-16 4085 Siskiyou Immediately west of Sawyers Bar. Comment
  JEPS117565  Asclepias speciosa Lowell Ahart, John Dittes 2010-7-30 16965 Siskiyou About 10 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
  SEINET7121401  Asclepias speciosa B. L. Wilson 2006-7-25 11946 Siskiyou Near spring on Forest Service road above Forest Mountain Summit 1265 Comment
  POM129817  Asclepias speciosa Geo. D. Butler 1910-6-8 s.n. Siskiyou Dry land near Yreka Comment
  CAS-BOT-BC478847  Asparagus officinalis W. B. Cooke; V. G. Cooke 1958-10-10 s.n. Siskiyou Between high school and Howard, Mt. Shasta 1219 Comment
  CAS-BOT-BC69592  Aspidotis densa Geo. D. Butler 1908-8-4 239 Siskiyou Head of Shackleford Creek. Comment
  POM23231  Aspidotis densa E. B. Copeland 1903-8-18 3815 Siskiyou Mount Eddy 1677 Comment
  RSA577173  Aspidotis densa L. C. Wheeler 1934-8-26 3224 Siskiyou Trapper Creek Comment
  RSA417679  Aster integrifolius L. C. Wheeler 1934-8-14 3119 Siskiyou 1 mile west of White Mt., Siskiyou Mts. 1921 Comment
  CAS-BOT-BC178814  Astragalus californicus L. E. Smith 1915-5-30 s.n. Siskiyou Weed Comment
  UC163663  Astragalus californicus Geo. D. Butler 1909-4-15 593 Siskiyou Humbug Hills Comment
  CHSC71297  Astragalus curvicarpus Vernon H. Oswald; Lowell Ahart 1998-6-11 9183 Siskiyou Shasta NF plantation on the west side of Hwy. 97 2.2 mi northeast of Lake Shastina-Big Springs Rd., northwest of Weed. 1066 Comment
  RSA94041  Astragalus curvicarpus R. C. Barneby 1954-5-15 11504 Siskiyou 2.5 miles n. of Gazelle. 838 Comment
  CAS-BOT-BC177860  Astragalus curvicarpus var. curvicarpus J. K. Nelson; Rhonda Posey; Mary Ellen Colberg; Twyla Miller 2006-5-19 2006 -015 Siskiyou North side of Mt. Shasta, south of Hwy. 97; Hotlum Fire area burned in February 2006 1090 Comment
  CAS-BOT-BC182967  Astragalus filipes R. C. Barneby 1954-5-15 11503 Siskiyou 2 1/2 miles n. of Gazelle 838 Comment
  HSC62472  Astragalus purshii Diane L. Reed 1980-7-1 Siskiyou Mahogany Point just N of F.S. Rd. 45N28. Comment
  CAS-BOT-BC192914  Astragalus purshii var. lectulus K. T. Stillman 1976-6-25 61 Siskiyou Marble Mountain Wilderness Area 2072 Comment
  SEINET10490026  Astragalus purshii var. tinctus David B. Dunn, Billy Joe Cox 1971-6-9 Dunn 17940 Siskiyou 9 mi nof weed on us hwy 97, at whitney creek. Sw facing slope; volcanic pumice Some sedimentary loamy soil; assoc with pinus ponderosa, artemisia, bromus, and Arctostaphylos. 1250 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
  UC1001149  Astragalus whitneyi var. siskiyouensis Dorothy Parker 1952-7-26 12 Siskiyou Cabin Meadow Creek 1981 Comment
  CAS-BOT-BC198707  Astragalus whitneyi var. siskiyouensis A. A. Heller 1915-8-26 12220 Siskiyou Near the source of Wagon Creek, Mt. Eddy 2590 Comment
  RSA415402  Astragalus whitneyi var. siskiyouensis M. B. Dunkle 1944-7-18 9127 Siskiyou Siskiyou National Forest. 1890 Comment
  CAS-BOT-BC68702  Athyrium alpestre var. americanum Ira L. Wiggins 1955-7-27 13567 Siskiyou Caribou Lake, Salmon-Trinity Alps Primitive Area 2042 Comment
  POM339723  Athyrium americanum F. R. Fosberg 1969-8-17 51462 Siskiyou Southwest slope of Mount Shasta, end of highway at ski lift. 2450 Comment
  UC1481842  Athyrium filix-femina var. cyclosorum Milo S. Baker 1926-7-14 23 a-26 Siskiyou 4 1/2 mi along forest rd N Fork Mt. Comment
  HSC29370  Athyrium filix-femina var. cyclosorum Frederick W. Oettinger 1968-8-14 511 Siskiyou Marble Mtn. Wilderness Area, just below Tom Taylor Cabin Spring 2043 Comment
  CDA2952  Atriplex heterosperma R. Pederson, G. Pederson 1979-9-26 111 Siskiyou Lower Klamath National Wildlife Refuge. Comment
  UC119303  Atriplex rosea Verne Grant and Irving Schneider 1947-8-25 8277 Siskiyou w side Tule Lake; w side Tule Lake Comment
  UC163672  Atriplex rosea Geo. D. Butler 1910-8-18 1841 Siskiyou Shasta Valley Comment
  RSA245302  Atriplex rosea J. P. Smith, J. Sawyer 1972-9-14 5796 Siskiyou Miners Creek Road just south of French Creek Road between Callahan and Etna 915 Comment
  CDA10488  Balsamorhiza platylepis G. Deal 1968-4-1 Siskiyou Clement Brothers ranch, 0.5 mile east of Mary s Mountain, Willow Creek. 0 Comment
  CAS-BOT-BC16690  Barbarea orthoceras L. E. Smith 1914-5-5 653 Siskiyou Dunsmuir. Comment
  HSC204  Barbarea orthoceras William J. Ferlatte 1967-6-30 591 Siskiyou Along the S Fork of the Salmon River, between the campground and Carter's 1524 Comment
  UC204801  Beckmannia syzigachne Geo. D. Butler 1908-6-25 484 Siskiyou along creek near Yreka Comment
  CAS-BOT-BC400051  Berberis Doris K. Kildale 1929-5-18 7728 Siskiyou Klamath River at Hornbrook Comment
  UC165951  Berberis aquifolium var. aquifolium Geo. D. Butler 1910-4-11 1169 Siskiyou Yreka Creek Comment
  UCR101150  Berberis aquifolium var. aquifolium L. C. Wheeler 1959-7-19 7583 Siskiyou Saloman and Marble Mtns, Near White Bear Mine, Callahan Gulch off Black Bear Creek. Comment
  HSC69087  Berberis nervosa Maralyn A. Renner 1980-7-24 2120 Siskiyou Pacific Crest Trail, 0.25 mi. SW of Cook and Green Pass. 1494 Comment
  CAS-BOT-BC75931  Berberis piperiana Roxana S. Ferris; Laura Lorraine 1948-6-12 11814 Siskiyou At Mule Creek crossing of Scott Mountain Road. 1524 Comment
  CAS-BOT-BC75943  Berberis piperiana John Thomas Howell 1937-7-23 13357 Siskiyou South Fork of Salmon River near Big Flat. 1524 Comment
  CAS-BOT-BC76001  Berberis pumila Wm. F. Herrin 1920-5-1 s.n. Siskiyou Shasta Springs. Comment
  JEPS117473  Berula erecta Lowell Ahart, John Dittes 2010-7-30 16934 Siskiyou Along the west edge of 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
  JEPS87871  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
  LA204109  Betula occidentalis A. A. Heller; 1915-7-18 sn Siskiyou Metcalf's Ranch, NE base of Mt. Eddy in the forest 1188 Comment
  CAS-BOT-BC127946  Blepharipappus scaber Geo. D. Butler 1909-5-10 697 Siskiyou Yreka Comment
  JEPS40211  Blepharipappus scaber Geo. D. Butler 1909-5-10 697 Siskiyou near Yreka Comment
  UC166059  Blepharipappus scaber Geo. D. Butler 1910-5-17 1355 Siskiyou Yreka Comment
  UC595077  Blepharipappus scaber David D. Keck 1938-8-8 4861 Siskiyou near Mill Creek (on hillside .4 mi s of Scott Mt. Lodge, Scott Mts.); Scott Mts. 1036 Comment
  CAS-BOT-BC127927  Blepharipappus scaber David D. Keck 1938-8-8 4861 Siskiyou On hillside 0.4 mi. S. of Scott Mt. Lodge, near Mill Creek, Scott Mts. 1040 Comment
  CAS-BOT-BC127948  Blepharipappus scaber L. E. Smith 1913-5-1 266 Siskiyou Edgewood Comment
  POM55527  Blepharipappus scaber E. B. Copeland 1903-7-3 3524 Siskiyou Klamathon. Comment
  UC673129  Boechera pauciflora Lincoln Constance and Reed C. Rollins 1942-5-13 2905 Siskiyou 4 mi e Seiad; Klamath-Siskiyou Region, Klamath River 457 Comment
  UCD114421  Boechera pinetorum Robert E. Preston 1983-6-9 393 Siskiyou On N side of dirt road, ca. 1/8 mi E of jct with road to Juanita Lake. 1304 Comment
  JEPS53090  Boechera retrofracta Geo. D. Butler 1909-4-24 592 Siskiyou near Yreka (Butler's Ranch) Comment
  SEINET12627115 Image available Boechera sparsiflora Martin Schilling 2013-1 MS 337 Siskiyou On Klamath River Rd, off hwy 96 at Ash Creek bridge, ca 1.9 air mi W from bridge, 1.45 air mi N of Garvey Gulch, on rocky roadside 615 Comment
  UC1333316  Boechera stricta Dorothy Parker 1949-5-28 305 Siskiyou Kidder Creek Salmon Mountains Range 914 Comment
  UC1483551  Boechera subpinnatifida Maralyn A. Renner 1980-6-9 854 Siskiyou ridge se F.S. Road 45N35; Klamath National Forest, Yreka Quad. 1341 Comment
  CAS-BOT-BC25915  Boechera suffrutescens John Thomas Howell 1937-7-24 13379 Siskiyou Salmon Trinity Alps. Caribou Basin. 2286 Comment
  HSC29124  Boschniakia strobilacea Frederick W. Oettinger 1969-7-14 1021 Siskiyou High Lake Basins in the vicinity of English Peak, Marble Mtn. Wilderness Area, on the N side of Charmaine Lake 1921 Comment
  HSC4949  Boykinia major J. O. Sawyer 1968-7-23 581 Siskiyou Along trail from Brown's Valley to Caribou Basin including areas around Snowslide Lake and Caribou Lake 1829 Comment
  UC1190155  Boykinia major Ira L. Wiggins 1955-7-29 13588 Siskiyou along Thompson Creek 3.5 mi above South Fork of Salmon River; about South Fork of Salmon River, Thompson Creek 1371 Comment
  CDA25391  Boykinia major var. major T. C. Fuller, Don Shaw 1974-9-24 20022 Siskiyou Siskiyou Mountains.; Reeves Ranch Springs, east of White Mountain. 0 Comment
  CDA30921  Brickellia californica M. Beyers, G. F. Hrusa 2010-8-18 700 Siskiyou Highway 96; Sluice Box Klamath River Access. 556 Comment
  UC163913  Brickellia californica Geo. D. Butler 1909-9-20 948 Siskiyou near Yreka Comment
  CHSC29303  Brickellia greenei J. D. Prouty 1979-8-6 79 .95 Siskiyou Near summit of Stud Hill. 1767 Comment
  JEPS16950  Brickellia greenei Peter H. Raven 1956-9-5 10462 Siskiyou Fork of the Sacramento River 1828 Comment
  OBI55401  Brickellia greenei David J. Keil 1992-7-24 23562 Siskiyou Klamath Natl forest E of Callahan. 2.5 mi N of Kangaroo Lake on Rail Crk rd Comment
  CAS-BOT-BC482220  Brodiaea coronaria var. coronaria Alice Eastwood 1912-7-17 1157 Siskiyou Sisson Comment
  SEINET8399968  Brodiaea elegans L. E. Detling 1959-6-8 8225 Siskiyou Scott River near Scott Bar. 579 Comment
  CDA31385  Bromus carinatus var. carinatus T. C. Fuller 1958-6-19 1801 Siskiyou Tom Williams property, 4 miles northeast of Montague. 0 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-BC148794  Bromus carinatus var. marginatus K. T. Stillman 1976-7-23 305 Siskiyou Marble Mountain Wildnerss Area. 2011 Comment
  HSC30547  Bromus carinatus var. marginatus Frederick W. Oettinger 1969-8-18 1424 Siskiyou Marble Mtn. Wilderness Area, Horse Range Lake 1822 Comment
  UCD59177  Bromus carinatus var. marginatus Geo. D. Butler 1909-5-21 815 Siskiyou Near Yreka. Comment
  UC1255319  Bromus diandrus Dorothy Parker 1949-6-16 323 Siskiyou at the entrance to McConahue Gulch (Scott Valley); Scott Valley 853 Comment
  POM112544  Bromus hordeaceus Geo D. Butler 1910-5-4 1276 Siskiyou Dry hill, Yreka. Comment
  UCD58887  Bromus laevipes Lewis S. Rose 1945-6-18 45087 Siskiyou Horse Creek and Klamath River. 502 Comment
  RSA14320  Bromus marginatus Elmer I. Applegate 1923-8-20 3908 Siskiyou Medicine Lake 1982 Comment
  RSA184783  Bromus marginatus Gilbert Muth 1966-7-22 434 Siskiyou Meadow below Marble Rim, Marble Mountains. 2012 Comment
  RSA239069  Bromus marginatus Frederick W. Oettinger 1969-9-1 1576 Siskiyou Dry Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2027 Comment
  CAS-BOT-BC162131  Bromus orcuttianus L. E. Smith 1914-7-6 747 Siskiyou Sisson. Comment
  UC164917  Bromus orcuttianus Geo. D. Butler 1908-7-20 469 Siskiyou Humbug Creek Comment
  SACT000689  Bromus sterilis Isabelle Kimber 1934-6-9 Siskiyou Abundant but thin stand. Chaparral. Comment
  RSA239071  Bromus suksdorfii Frederick W. Oettinger 1968-8-24 624 Siskiyou Northeast of Crapo Ridge above Tom Taylor cabin. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1890 Comment
  UCD59740  Bromus suksdorfii Robert E. Preston 2001-7-21 1742 Siskiyou Klamath National Forest, Rainbow Mountain. 2255 Comment
  CAS-BOT-BC185601  Bromus tectorum A. A. Heller 1905-6-9 8012 Siskiyou Montague. Comment
  HSC101709  Bromus tectorum J. P. Smith, J. O. Sawyer 2011-6-25 13257 Siskiyou At the junction of Hwy. 3 and Callahan - Gazelle Road. 834 Comment
  UC164911  Bromus tectorum Geo. D. Butler 1909-5-21 816 Siskiyou near Yreka Comment
  UC726535  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
  HSC103034  Bromus tectorum J. P. Smith 2014-6-7 13892 Siskiyou Etna Comment
  SEINET10515131  Bromus tectorum A. Arthur Heller 1905-6-9 Heller 8012 Siskiyou Montague. Comment
  HSC30541  Bromus vulgaris Frederick W. Oettinger, R. F. Thorne 1969-8-6 1246 Siskiyou Salmon Mountains, woods below Pine Lake Basin 1829 Comment
  HSC31125  Bromus vulgaris J. O. Sawyer 1971-8-19 2456 Siskiyou 2012 Comment
  HSC69271  Bromus vulgaris Maralyn A. Renner 1980-7-24 1996 Siskiyou Pacific Crest Trail above Lily Pad Lake. 1799 Comment
  HSC91982  Calamagrostis breweri Jennifer Whipple 1977-7-20 2006 Siskiyou N slopes of Mt. Eddy 2287 Comment
  RSA238384  Calamagrostis canadensis Frederick W. Oettinger 1969-9-4 1653 Siskiyou Below Tobacco Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1890 Comment
  HSC24228  Calamagrostis koelerioides J. O. Sawyer 1969-8-1 1645 Siskiyou SE facing slope above Duck Lake Creek 1951 Comment
  RSA238372  Calamagrostis koelerioides Frederick W. Oettinger, Robert F. Thorne 1969-8-4 1183 Siskiyou north of Tobacco Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1890 Comment
  UC1265354  Calamagrostis koelerioides F. W. Oettinger 1968-9-7 771 Siskiyou n.w. slope on ridge above Tobacco lake (Salmon Mts.); W. Siskiyou Co., Salmon Mts. 2011 Comment
  CHSC118255  Callitriche palustris R. E. Brainerd; N. Otting 2013-7-12 2187 Siskiyou Klamath Mountains. Marble Mountains Wilderness Area. Upper Big Meadow, ca. 0.9 air mile northeast of Upper Wright Lake. UTM Zone 10 494918E 4604536N WGS84. 2167 Comment
  HSC19314  Callitropsis nootkatensis J. O. Sawyer 1968-9-10 675 Siskiyou Near top of Preston Peak 1524 Comment
  CAS-BOT-BC85733  Calocedrus decurrens H. A. Thomas; J. H. Thomas 1954-7-27 4558 Siskiyou Salmon - Trinity Mts. about 6 miles SE of Cecilville. Between Mt. Veiw Cabin and S. Fork of Salmon River. 944 Comment
  HSC69144  Calocedrus decurrens Maralyn A. Renner 1980-8-8 2473 Siskiyou Klamath National Forest, near trail, ~0.5 mi. down from Rattlesnake Meadow 1555 Comment
  JEPS50835  Calochortus elegans Theodore Niehaus 1967-7-2 768 Siskiyou Paradise Lake Marble Mountain Wilderness Area Comment
  HSC45146  Calochortus elegans var. nanus J. O. Sawyer, E. Cope 1977-6-20 2962 Siskiyou Behind Devil's Punchbowl 1829 Comment
  HSC44990  Calochortus nudus J. P. Smith, Steve Selva 1970-7-27 4521 Siskiyou Gumboot Lake 1768 Comment
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Jun 7 2012
  HSC44855  Calochortus tolmiei J. P. Smith 1973-5-5 6538 Siskiyou Scott Bar along the Scott River Comment
  CAS-BOT-BC181505  Caltha leptosepala D. M. Traugh 1933-8-7 17 Siskiyou Marble Valley Comment
  CAS-BOT-BC181508  Caltha leptosepala A. A. Heller 1915-7-15 12086 Siskiyou Mt. Eddy 2072 Comment
  UC166116  Calycadenia truncata Geo. D. Butler 1908-8-29 320 Siskiyou Comment
  CAS-BOT-BC272744  Calycadenia truncata subsp. truncata Geo. D. Butler 1910-7-30 1801 Siskiyou Near Yreka Comment
  HSC46106  Calypso bulbosa J. P. Smith 1973-5-5 6450 Siskiyou Trail to the Siskiyou cypress stand, off the Cook and Green Pass Rd. Comment
  JEPS52531  Calyptridium umbellatum W. L. Jepson 1894-8-9 Siskiyou Shasta Springs, Horshoe Bend Shasta Springs; , Horshoe Bend Comment
  JEPS52540  Calyptridium umbellatum Willis L. Jepson 1894-8-4 Siskiyou Mount Shasta, Niel's Camp Niel's Camp; Mount Shasta, Niel's Camp Comment
  SBBG30589  Calyptridium umbellatum D. Myrick 1968-6-27 2043 Siskiyou trail to Lake Josephine above Carter's Ranch, 5 mi S of Big Flat, head of Coffee Crk 1828 Comment
  HSC66108  Calystegia occidentalis subsp. occidentalis J. P. Smith, Steve Selva 1970-6-15 3930 Siskiyou Between Forks of Salmon and Cecilville. Comment
  JEPS61535  Camassia quamash subsp. quamash Geo. D. Butler 1909-6-22 890 Siskiyou Goosenest Mountain Comment
  CAS-BOT-BC160902  Camissonia tanacetifolia subsp. tanacetifolia D. Bates 1960-6-13 2436 Siskiyou Route 97 at Grass Lake Comment
  POM160660  Camissonia tanacetifolia subsp. tanacetifolia A. A. Heller 1922-7-15 13714 Siskiyou Medicine Lake 2134 Comment
  SEINET10462858  Campanula prenanthoides Butler 1971-8-11 BUTLER 297 Siskiyou NEAR EL CAPITAN LAKE, PRESON PEAK QUAD. NR CAVE JCT 5200 Comment
  SEINET10462935  Campanula prenanthoides Clifton 1979-6-26 CLIFTON 5960 Siskiyou NR MERRILL CR., FORKS OF SALMON QUAD. NR ORLEANS 1152', COBBLY SOIL Comment
  UC456046  Campanula prenanthoides I. J. Condit 1911-7-3 Siskiyou along RR and on mt. sides Shasta Retreat Comment
  SD104864  Campanula prenanthoides Darley F. Howe 1979-6-25 Siskiyou 7.0 miles southeast of Domes Bar. Comment
  SEINET10463362  Campanula prenanthoides Alice Eastwood 1921-7-25 Eastwood 10842 Siskiyou Bigelows, on the McCloud R. Comment
  SEINET10840321  Campanula prenanthoides Oettinger 1969-8-5 OETTINGER 1198 Siskiyou On southeast-facing slope along trail between Abbott's upper Cabin and English Lake, just above "Willow Springs" 1676 Comment
  SEINET10972404  Campanula prenanthoides Lathrop 1903-7-10 LATHROP s.n. Siskiyou Shasta Retreat Comment
  UC637161  Campanula scouleri Edward Lee 1934-8-13 1080 Siskiyou Happy Camp to Waldo (Oregon) road Klamath National Forest, watershed of west branch of Waldo C 1463 Comment
  SEINET10463788  Campanula scouleri Joseph W. Congdon 1900-8-16 Congdon s.n. Siskiyou Castle Lake Trail Comment
  SEINET10463792  Campanula scouleri Hemphill 1970-8-11 HEMPHILL s.n. Siskiyou Sanger Lake 1524 Comment
  HSC2359  Campanula wilkinsiana William J. Ferlatte 1966-8-19 446 Siskiyou Kidd Creek Trail. 1829 Comment
  SEINET10463874  Campanula wilkinsiana Groves 1944-8-28 GROVES s.n. Siskiyou Panther Meadows, Mt. Shasta. Comment
  SEINET10840063  Campanula wilkinsiana Ditomaso 1980-8-21 DITOMASO 1893 Siskiyou Open area nest to Kidd Creek, in Kedd Creek Meadows, Trinity Alps Primitive Area 2042 Comment
  SEINET10840066  Campanula wilkinsiana Cooke 1938-8-18 COOKE 11447 Siskiyou Mount Shasta; common around the water supply spring turf above Horse Camp 2469 Comment
  UC1368675  Cardamine bellidifolia var. pachyphylla W. B. and V. G. Cooke Siskiyou n side Red Butte (neath the South Gate, Mount Shasta); Mount Shasta, n side Red Butte Comment
  CAS-BOT-BC37746  Cardamine californica A. A. Heller 1919-6-25 13272 Siskiyou Compton's prairie, north base of Mount Eddy. 1158 Comment
  CAS-BOT-BC37747  Cardamine californica L. E. Smith 1915-4-25 13272 Siskiyou Sisson. Comment
  CAS-BOT-BC38118  Cardamine pensylvanica Alice Eastwood 1923-5-22 11889 Siskiyou Sissons. Comment
  CDA16166  Cardaria draba G. F. Hrusa 1998-5-25 14473 Siskiyou Klamath Ranges; Along Klamath R. at Yreka (Hwy 96 rest area) on N side of entrance rd. 632 Comment
  RSA120643  Cardaria draba Milo S. Baker 1955-6-27 13089 Siskiyou Scott Valley 1 mile N of Callahan. Comment
  CHSC116930  Carduus nutans Zachary Voigtman 2013-7-24 2013 -012 Siskiyou Forest Service Plantation, Mt. Shasta City. 1225 Comment
  CAS-BOT-BC18392  Carex Elmer I. Applegate 1923-8-17 3836 Siskiyou Medicine Lake. Comment
  CAS-BOT-BC539693  Carex John Thomas Howell 1937-7-22 13322 Siskiyou South Fork of Salmon River near Big Flat 1524 Comment
  CAS-BOT-BC19763  Carex abrupta John Thomas Howell 1939-8-10 15282 Siskiyou Marble Mountains. Sky High Valley. 1828 Comment
  HSC73340  Carex amplifolia Gail Newton 1980-6-20 466 Siskiyou Near Bald Mtn. 1097 Comment
  SD123678  Carex angustata Robert T. Clausen, Harold Trapido 1940-7-26 4956 Siskiyou Southern Cascade Mountains; Mt. Shasta; Sacramento River Basin; boggy meadow; wagon camp. 1737 Comment
  SEINET10343551  Carex angustata Philip E. Hyatt 2002-8-6 11142 Siskiyou Ft. Goff Recreation Area along Klamath River Comment
  CHSC40199  Carex aquatilis var. dives L. P. Janeway 1983-8-28 636 Siskiyou At Poker Flat. 1524 Comment
  CAS-BOT-BC18128  Carex athrostachya D. E. Breedlove 1962-6-10 3320 Siskiyou On the north bank of the Klamath River at its junction with Goff Creek, 4.5 miles west of Seiad. 411 Comment
  CAS-BOT-BC19402  Carex bolanderi J. W. Stacey 1940-8-8 15422 Siskiyou Mount Shasta. Along the cascade below the big Squaw Valley Creek Spring. 1463 Comment
  HSC41067  Carex bolanderi J. O. Sawyer 1969-6-27 866 Siskiyou Ridge between Duck Lake Creek & French Creek along FS 41N14 1280 Comment
  CAS-BOT-BC19658  Carex brainerdii John Thomas Howell 1939-8-3 15008 Siskiyou Marble Mountains. Spirit Lake. 1828 Comment
  CHSC98584  Carex brainerdii Thomas W. Nelson; Jane P. Nelson 1983-7-29 7506 Siskiyou Along Forest road 41N14 5 miles north of junction with Callaghan-Cecileville county road at crossing over Sugar Creek. 1432 Comment
  CAS-BOT-BC19661  Carex brainerdii R. E. Frenkel 1964-7-15 698 Siskiyou On Everitt Memorial Highway near Mount Shasta, 4.7 miles north of McCloud River RR crossing. 1545 Comment
  HSC77169  Carex brainerdii L. P. Janeway 1983-6-26 346 Siskiyou Along FS Rd. 18N33, 6 mi. from the Grayback Rd. 1250 Comment
  SEINET7554959 Image available Carex concinnoides Barbara Wilson 1994-5-27 6920 Siskiyou Rogue River National Forest, low on the New London, between the first and second acute corners, near the trailhead, between Road 1050 (Elliott Creek Road) and the creek. Comment
  SEINET7557910 Image available Carex echinata Frederick W. Oettinger 1968-8-3 372 Siskiyou Salmon Mountains. The high lake basins in the vicinity of English Peak Marble Mountain Wilderness Area. Midway on trail between Diamond Lake and Hancock Lake at "Base Camp". 2012 Comment
  JEPS25580  Carex fracta Rimo Bacigalupi with George Bacigalupi Jr. 1959-7-1 7209 Siskiyou w slopes of broadening base of Mt. Shasta Mt. Shasta 1676 Comment
  HSC68516  Carex hassei Maralyn A. Renner 1980-6-26 1172 Siskiyou Flint Valley. 1390 Comment
  UC1540260  Carex heteroneura Dean W. Taylor 1987-6-26 9066 Siskiyou Paynes Springs, 2 mi SE from Medicine Lake, near head of easternmost spring. 1996 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
  HSC97428  Carex hoodii Jennifer Whipple 1978-7-20 2353 Siskiyou E and S facing slopes draining into the N fork of the Sacramento River 2378 Comment
  LA17569  Carex inops J. W. Stacey; 1940-7-12 15344 Siskiyou Mount Shasta, along the Sisson Southern Trail 1676 Comment
  JEPS102966  Carex inops subsp. inops L. P. Janeway 2002-7-12 7623 Siskiyou High Cascade Range. 3.5 km south of the top of Ash Creek Butte; 0.2 km southwest of Road 19 (Military Pass Road); 0.6 km north-east of confluence of Ash Creek and Brewer Creek 1573 Comment
  JEPS102967  Carex inops subsp. inops L. P. Janeway 2002-7-13 7641 Siskiyou High Cascade Range. Along a logging spur road 0.2 km south-east of Road 13 (Pilgrim Creek Road) 9.0 km northeast of the Military Pass Road (Road 19); 0.2 km north of Edison Creek. Visible along miles of Pilgrim Creek Road 1347 Comment
  CAS-BOT-BC7657  Carex integra John Thomas Howell 1937-7-22 13253 Siskiyou South Fork of Salmon River near Big Flat. 1524 Comment
  RSA237324  Carex integra Frederick W. Oettinger, Robert F. Thorne 1969-8-4 1175 Siskiyou Tobacco Lake. Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1829 Comment
  RSA237297  Carex jonesii Frederick W. Oettinger 1969-8-19 1454 Siskiyou Abbott s Basin. Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1905 Comment
  HSC29636  Carex laeviculmis Frederick W. Oettinger, R. F. Thorne 1969-8-4 1179 Siskiyou Marble Mtn. Wilderness Area, N of Tobacco Lake 1890 Comment
  UCD140500  Carex lenticularis var. impressa A. H. Murphy 1960-8-9 60 D Siskiyou Klamath National Forest, Bear Lake. 1889 Comment
  CAS-BOT-BC28428  Carex lenticularis var. lipocarpa William Bridge Cooke 1939-7-7 13613 Siskiyou In the bog formed by the lower Wagon Camp springs. 1737 Comment
  CHSC107133  Carex leptopoda R. E. Brainerd 2009-7-22 1554 Siskiyou Trout Creek east of Mt. Shasta, 26 air miles east of Weed. UTM Zone 10 592966E 4588754N. 1493 Comment
  CAS-BOT-BC23418  Carex multicostata Alice Eastwood 1921-7-28 10942 Siskiyou Medicine Lake. Comment
  JEPS109224  Carex nervina D. W. Taylor 2005-8-18 19476 Siskiyou Dry Creek Peak, cirque on north face at headwaters Antelope Creek, ca 12 air miles NE of the summit of Mt. Shasta. Comment
  CHSC40160  Carex nudata L. P. Janeway 1983-7-30 456 Siskiyou Along north shore Klamath River ca 2 1/2 miles west of Fort Goff. 396 Comment
  CAS-BOT-BC119467  Carex nudata C. F. Baker 1903-7-4 3541 Siskiyou Klamathon Comment
  CAS-BOT-BC119477  Carex nudata John Thomas Howell; T. C. Fuller; G. D. Barbe 1980-4-29 53432 Siskiyou East Fork Scott River 2 mi E of Callahan on road to Gazelle. 990 Comment
  CHSC96159  Carex pachystachya L. P. Janeway 2006-7-1 8717 Siskiyou Klamath Ranges. Salmon Mountains; just west of Carter Meadow, north side of South Fork Salmon River. Small open dry meadow along road with seepy ditch along upper road edge. 1579 Comment
  JEPS102965  Carex pachystachya L. P. Janeway 2002-7-12 7624 Siskiyou High Cascade Range. 3.5 km south of the top of Ash Creek Butte; 0.2 km southwest of Road 19 (Military Pass Road); 0.6 km north-east of confluence of Ash Creek and Brewer Creek 1573 Comment
  SEINET10817663  Carex pachystachya Lawrence P. Janeway 1983-6-25 Janeway 327 Siskiyou Happy Camp quad. T18N, R6E, SE1/4 of sec. 23. Seep along edge of dirt road ca 350 m N of West Branch USFS Station towards Indian Cr. Serpentine; mixed conifer forest. 671 Comment
  JEPS117598  Carex praegracilis Lowell Ahart, John Dittes 2010-7-30 16953 Siskiyou About 50 yards west of the East Louie Road Bridge, about 30 yards west of the Shasta River, Shasta Big Springs Ranch, 1.6 miles (air) southwest of Big Springs Lake, 4.6 miles (air) northwest of Dwinnel Dam, 5.7 miles (air) southeast of Grenada 716 Comment
  RSA577427  Carex praegracilis L. C. Wheeler 1935-6-30 3632 Siskiyou Shasta Valley, 3 miles S of Grenada. 793 Comment
  HSC73345  Carex praticola Gail Newton 1980-6-20 456 Siskiyou Near Bald Mtn. 1097 Comment
  HSC62584  Carex scabriuscula V. Stansell 1968-6-13 Siskiyou Youngs Valley Comment
  JEPS121653  Carex scabriuscula Kendra Sikes 2011-9-14 Siskiyou Sundew Fen, Caldwell Lakes Basin, headwaters of Park Creek, east slope of China Mountain. Shallow pond, over gabbro. China Mountain quadrangle. CLS_1D Comment
  RSA238967  Carex scopulorum Frederick W. Oettinger 1968-9-9 804 Siskiyou Tom s Lake lower meadow. Salmon Mountains. High Lake Basin in the vicinity of English Peak. Marble Mountain Wilderness Area. 2012 Comment
  UCD63042  Carex scopulorum var. bracteosa Daniel Sanchez-Mata; Tomas Santamaria 2006-7-26 s.n. Siskiyou Weed. Rail Creek Road from Gazelle-Callahan Road. Kangaroo Lake. Kangaroo Lake Botanical Area. The Fen Trail. Scott Mountains, Klamath National Forest. 1850 Comment
  CAS-BOT-BC117251  Carex spectabilis John Thomas Howell 1937-7-25 13480 Siskiyou Caribou Basin, Salmon-Trinity Alps. 2286 Comment
  UC922497  Carex spectabilis Annie M. Alexander and Louise Kellogg 1949-7-28 5886 Siskiyou Sky High Valley Marble Mountains 1767 Comment
  HSC7172  Carex spectabilis J. T. Howell 1939-8-9 15226 Siskiyou Marble Mtns., S of Marble Valley Comment
  RSA238930  Carex spectabilis Frederick W. Oettinger 1969-9-2 1601 -b Siskiyou Bear Meadow near Tom Taylor Cabin. Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2165 Comment
  HSC69165  Carex straminiformis Maralyn A. Renner 1980-7-24 2068 Siskiyou Lily Pad Lake 1768 Comment
  SDSU11683  Carex straminiformis D. F. Howe 1962-8-6 3402 Siskiyou Mt. Shasta, Shasta National Forest. 2438 Comment
  RSA550444  Carex vesicaria R. Tallent 1987-8-12 897 a Siskiyou Klamath National Forest; Long Gulch Lake. 1940 Comment
  CAS-BOT-BC115164  Carex vesicaria Wilhelm Hillebrand s.n. Siskiyou Spragues River, E of Klamath Valley. Comment
  RSA238960  Carex vesicaria Frederick W. Oettinger 1968-9-4 693 Siskiyou Along the west shoreline of Abbotts Lake. Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1723 Comment
  JEPS109253  Carex whitneyi D. W. Taylor 2005-7-12 19382 Siskiyou Antelope Creek, along unnamed tributary that drians from Rainbow Mountain, just upstream from the crossing of Forest road 42N16. Comment
  CAS-BOT-BC59708  Cassiope mertensiana Gilbert J. Muth 1969-8-10 1351 Siskiyou Buckhorn Lake. 2255 Comment
  SD76146  Cassiope mertensiana Helen V. Witham 1969-10-6 550 Siskiyou On steep west slope, above Kangaroo Lake. Comment
  HSC22112  Cassiope mertensiana subsp. ciliolata J. O. Sawyer 1969-7-9 1274 Siskiyou NE facing slope above S Sugar Lake 2256 Comment
  HSC59937  Cassiope mertensiana subsp. ciliolata D. L. Goforth 1979-7-19 246 Siskiyou Trinity Alps Wild Area, Caribou Lakes Basin, 0.3 mi. NW of upper lake 2134 Comment
  HSC62029  Cassiope mertensiana subsp. ciliolata Al Hobart 1960-7-25 Siskiyou Preston Peak 1982 Comment
  UC1037464  Cassiope mertensiana subsp. ciliolata Douglas Barbe 1955-7-9 153 Siskiyou Cliffs south side of Kangaroo Lake, Scott Mtns. 1828 Comment
  UC1409402  Cassiope mertensiana subsp. ciliolata Frederick W. Oettinger 1968-8-1 336 Siskiyou in let stream to Little Hancock Lake (boreal meadow) 2042 Comment
  UC142949  Cassiope mertensiana subsp. ciliolata Dr. E. B. Copeland 1903-8-18 3898 Siskiyou Mt. Eddy 2590 Comment
  UC1408870  Castilleja applegatei Frederick W. Oettinger 1968-8-22 603 Siskiyou above English Lake trail (on English Lake side of pass to Diamond Lake, vicinity of English Peak); Salmon Mountains, Marble Mountain Wilderness Area 1889 Comment
  HSC76906  Castilleja applegatei subsp. pallida K. T. Stillman 1976-9-10 502 Siskiyou Marble Mountain Wilderness Area, across marble on E side of Black Mountain 2104 Comment
  HSC39324  Castilleja applegatei subsp. pinetorum J. P. Smith 1974-5-26 7392 Siskiyou Along F.S. Rd. 47N03 1707 Comment
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Feb 26 2013
  JEPS46015  Castilleja applegatei subsp. pinetorum L. R. Heckard 1956-8-7 829 Siskiyou 10.5 mi ne Weed (along U.S. Hwy 97, n of Mt. Shasta) Comment
  POM298035  Castilleja applegatei subsp. pinetorum A. A. Heller 1916-6-20 12398 Siskiyou Metcalfe Ranch, n.e. of Mt. Eddy. 1189 Comment
  RSA425924  Castilleja applegatei subsp. pinetorum E. E. Stanford 1930-6-15 1590 Siskiyou Near Shasta City. 1098 Comment
  SBBG6729  Castilleja applegatei subsp. pinetorum H. and M. Dearing 1938-6-29 2196 Siskiyou side of Mt Shasta 1219 Comment
  UC1190240  Castilleja applegatei subsp. pinetorum Ira L. Wiggins 1955-7-24 13486 Siskiyou ridge between upper reaches of China Creek and Blind Horse Creek 1463 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
  HSC19027  Castilleja arachnoidea J. O. Sawyer 1969-6-13 1091 Siskiyou Slope above Little Duck Lake 2134 Comment
  UC618868  Castilleja arachnoidea Alice Eastwood 1938-8-21 11535 Siskiyou Horse Camp Flats Mount Shasta (sw slope of Mount Shasta) 2438 Comment
  RSA142620  Castilleja arachnoidea subsp. schizotricha Philip A. Munz 1960-8-22 24190 Siskiyou Panther Meadows, Mount Shasta 2530 Comment
  HSC89867  Castilleja lacera W. L. Jepson 1940-7-3 20119 Siskiyou Big Bear Flat, 5 mi. SE of Bartle 1220 Comment
  UC164374  Castilleja lacera Geo. D. Butler 1909-6-20 932 Siskiyou near Yreka Comment
  UCR131624  Castilleja lacera L. C. Wheeler 1935-6-27 3611 Siskiyou Klamath Ranges region, Greenview, Scott Valley 884 Comment
  CAS-BOT-BC253618  Castilleja miniata Doris K. Kildale 1928-8-19 6579 Siskiyou Hancock Lake, on trail to Marble Mt. 2133 Comment
  CAS-BOT-BC254115  Castilleja miniata Alice Eastwood 1912-7-17 s.n. Siskiyou Sisson Comment
  HSC42230  Castilleja miniata J. D. Mastrogiuseppe 1974-9-2 167 Siskiyou W slope of ridge of Red Rock Mtn. 2165 Comment
  HSC68664  Castilleja miniata Maralyn A. Renner 1980-6-25 1128 Siskiyou Little South Fork Indian Creek, W Fork 1220 Comment
  SFV3340  Castilleja miniata J. M. Tucker 1963-8-17 3740 Siskiyou Marble Mountain Wilderness Area, Lower Red Rock Valley. At edge of Red Rock Creek in moist soil in vicinity of cabin. 1494 Comment
  UC1190141  Castilleja miniata Ira L. Wiggins 1955-7-27 13555 Siskiyou Caribou Lake; Salmon-Trinity Alps Primitive Area 2042 Comment
  CAS-BOT-BC253616  Castilleja miniata Edmonds 1890-7-6 s.n. Siskiyou unspecified Comment
  CDA41233  Castilleja minor var. exilis J. G. Schieber 1978-7-2 Siskiyou U.S. Wildlife Preserve, Tule Lake. 0 Comment
  HSC19019  Castilleja pruinosa J. O. Sawyer 1969-7-9 1243 Siskiyou W facing slope above Bingham Lake 2317 Comment
  RSA237563  Castilleja pruinosa Frederick W. Oettinger 1968-8-2 368 Siskiyou Northeast of Diamond Lake. The Salmon Mountains. The High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2088 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
  JEPS84188  Castilleja schizotricha L. R. Heckard with S. D'Alcamo, J. Hickman, S. Winchester 1986-7-16 6344 Siskiyou ca 0.5 mi se Red Butte (ca 7 mi nne of Seiad Valley, sw of Cook and Green Pass, e of road) 1730 Comment
  UC164276  Castilleja schizotricha Geo. D. Butler 1910-7-9 1711 Siskiyou Woody Creek Comment
  UC922484  Castilleja schizotricha Annie M. Alexander and Louise Kellogg 1949-7-22 5840 Siskiyou Paradise Lake Marble Mountains (trail to Kings Castle, top of ridge) 2072 Comment
  SEINET269404 Image available Castilleja tenuis Richard J. Shaw 1963-6-11 1285 Siskiyou Along old highway 99 2 miles north of Weed 1067 Comment
  CHSC1498  Ceanothus cordulatus V. Keeler 1935-5-9 Siskiyou Near Mt. Shasta City. 1097 Comment
  CAS-BOT-BC49189  Ceanothus cuneatus Carl B. Wolf 1927-8-26 1030 Siskiyou On the Klamath River, 5 mi. below Hornbrook Comment
  HSC31491  Ceanothus cuneatus Steve Selva, Roger Jensen 1974-8-24 46 Siskiyou S facing slopes along Road 8 to Sugar Lake Trail Comment
  UC375370  Ceanothus cuneatus var. cuneatus Geo. D. Butler 1909-5-30 667 Siskiyou near Yreka Comment
  CAS-BOT-BC50690  Ceanothus integerrimus var. macrothyrsus Alice Eastwood 1912-7-20 1251 Siskiyou Hornbrook Comment
  CAS-BOT-BC53088  Ceanothus prostratus W. R. Dudley 1893-6-20 s.n. Siskiyou Castle Lake Trail Comment
  CAS-BOT-BC52172  Ceanothus pumilus Herbert L. Mason 1947-5-17 14760 Siskiyou Five miles south of Callahan, on Scott Mountain road Comment
  HSC69523  Ceanothus pumilus Maralyn A. Renner 1980-6-26 1285 Siskiyou Klamath National Forest, ridge along FS Rd. 15N01, 1 mi. N of Flint Valley. 1494 Comment
  CAS-BOT-BC63151  Ceanothus velutinus Alice Eastwood 1912-9-1 2067 Siskiyou Mount Shasta. Comment
  OBI36629  Ceanothus velutinus David J. Keil 1983-7-3 17381 Siskiyou Slopes of Mt. Shasta along Memorial hwy Comment
  CDA35603  Ceanothus velutinus T. C. Fuller 1962-6-13 8992 Siskiyou Road to Medicine Lake, 3.2 miles north of Bartle. 0 Comment
  SEINET204767  Ceanothus velutinus J. M. Tucker, LK Mann 1963-7-4 3694 Siskiyou Beside road from Etna to Sawyer's Bar ca. 4.7 road miles SW of Etna Comment
  JEPS42299  Ceanothus velutinus var. lorenzenii L. N. Lorenzen 1920-9-19 Siskiyou Sisson Comment
  HSC36701  Ceanothus velutinus var. velutinus Brent Whitely 1975-7-3 129 Siskiyou 1220 Comment
  CHSC3256  Centaurea cyanus Virginia Hagaman 1966-5-14 181 Siskiyou 6 miles south of McConnahue Gulch--side of ra road. Comment
  CAS-BOT-BC272122  Centaurea cyanus John H. Thomas 1969-9-7 15467 Siskiyou Near railroad tracks, McCloud Comment
  CDA37898  Centaurea squarrosa J. L. Johnson 1980-7-1 s.n. Siskiyou Hawkinsville. 0 Comment
  CAS-BOT-BC106027  Centaurea virgata subsp. squarrosa R. E. Frenkel 1964-7-14 685 Siskiyou On a southern shoulder of Everitt Memorial Highway just east of a point 3.7 miles north of McCloud River RR crossing. 1493 Comment
  HSC43039  Cephalanthera austiniae J. O. Sawyer, K. T. Stillman 1976-7-2 2812 Siskiyou Ridges E of the Little N Fork Trail 732 Comment
  HSC65312  Ceratophyllum demersum J. P. Smith, Steve Selva 1970-7-16 4381 Siskiyou Along Klamath River, 2 mi. W of Seiad Creek 518 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-BC135448  Cercocarpus betuloides var. betuloides Alice Eastwood; John Thomas Howell 1934-4-20 1746 Siskiyou Near Yreka on Ft. Jones Road Comment
  HSC18571  Cercocarpus ledifolius R. C. Wunner 1965-7-15 393 Siskiyou Lava Beds NM, Indian Wells near N Prefab 1433 Comment
  SEINET6332023  Cercocarpus ledifolius var. intermontanus G. D. Butler 1910-4-10 1166 Siskiyou Near Yreka Comment
  CAS-BOT-BC148517  Cercocarpus ledifolius var. ledifolius J. H. Chastain 1917-6-1 s.n. Siskiyou North fork of Trinity River Comment
  CAS-BOT-BC148523  Cercocarpus ledifolius var. ledifolius C. Hart Merriam 1919-10-12 s.n. Siskiyou Mts. between Yreka & Ft. Jones (north or Yreka side of grade). Comment
  CAS-BOT-BC100653  Chaenactis douglasii var. alpina Wm. Bridge Cooke 1938-9-8 11662 Siskiyou Mount Shasta, near Squaw Creek Meadows 2590 Comment
  CHSC102550  Chaenactis douglasii var. douglasii L. P. Janeway 2009-8-4 9897 Siskiyou High Cascade Range. Flat open area along Military Pass Road (A43N19) 3.4 km east of Military Pass, 6.4 air km northwest of Ash Creek Butte. 1804 Comment
  HSC76723  Chaenactis douglasii var. douglasii K. T. Stillman 1976-8-7 384 Siskiyou Marble Mtn. Wilderness Area, Box Camp Mtn. 2195 Comment
  JEPS44092  Chaenactis douglasii var. douglasii W. B. and V. G. Cooke 1965-7-12 35192 Siskiyou Bolam Road Mt. Shasta 1706 Comment
  CAS-BOT-BC106045  Chaenactis suffrutescens Joy D. Mastrogiuseppe 1974-9-2 177 Siskiyou Ridge of Red rock Mountain 2255 Comment
  UC54082  Chaenactis suffrutescens H. M. Hall and E. B. Babcock 1903-6-1 4081 Siskiyou upper part of Shasta Valley; Sierra Nevada Mountains, Mount Shasta, Shasta Valley 1158 Comment
  UC584274  Chaenactis suffrutescens G. L. Stebbins Jr. and J. A. Jenkins 1937-7-19 2440 Siskiyou 1 to 3 mi s of Greenview (along w side of Scott Valley); Scott Valley 853 Comment
  CAS-BOT-BC85661  Chamaecyparis lawsoniana W. R. Dudley 1905-7-7 s.n. Siskiyou Shasta Springs Comment
  HSC68455  Chamaecyparis lawsoniana Maralyn A. Renner 1980-7-4 1440 Siskiyou Clear Creek Trail, N of Trout Camp. 1037 Comment
  SEINET11052218  Chamaecyparis lawsoniana A. T. Leiser 1968-9-4 s.n. Siskiyou Scott Camp Creek, near Methodist Camp, SW of Castle Lake turnoff. 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
  SBBG16538  Chamaesaracha nana D. Myrick 1961-6-19 265 Siskiyou rd to Mt Shasta Ski Bowl 1828 Comment
  SBBG28479  Chamaesyce serpillifolia subsp. serpillifolia L. C. Wheeler 1934-9-20 3289 Siskiyou Lumgrey Crk 670 Comment
  UC642565  Chamaesyce serpyllifolia L. W. Wheeler 1930-6-30 13578 Siskiyou Howard Mount Shasta Comment
  UC637051  Chamerion angustifolium subsp. circumvagum Edward Lee 1934-8-13 1069 Siskiyou Happy Camp-Waldo (Oregon) road Klamath Nat. Forest, watershed of West Branch of Indian Cree 1371 Comment
  CAS-BOT-BC68201  Cheilanthes gracillima John Thomas Howell 1939-8-3 14995 Siskiyou Spirit Lake, Marble Mts. 1828 Comment
  CHSC50  Cheilanthes gracillima V. Holt 1932-7-24 Siskiyou Mt. Eddy. Comment
  HSC373  Cheilanthes gracillima William J. Ferlatte 1966-6-22 117 Siskiyou Josephine Lake Basin 1677 Comment
  UC1037348  Cheilanthes gracillima Leo Whitney 1935-7-15 3484 Siskiyou 2 mi se Medicine Lake (lava ledge near Bullseye Lake) Comment
  UC371155  Cheilanthes gracillima G. D. Butler 1908-8-5 237 Siskiyou Wooly Creek below Cold Spring Comment
  UC618845  Cheilanthes gracillima W. Bridge Cooke 1938-8-18 11491 Siskiyou Lower Horse Camp Slopes Horse Camp; Mt Shasta Comment
  UC71530  Cheilanthes gracillima Harley P. Chandler June, 1901 1614 Siskiyou ridges and meadows near Marble Mt; North Coast Ranges 2133 Comment
  CAS-BOT-BC68242  Cheilanthes gracillima Gilbert Muth 1965-8-6 s.n. Siskiyou Trail to backside of Blk Mt. Comment
  HSC19021  Cheilanthes gracillima J. O. Sawyer 1969-7-10 1290 Siskiyou E facing slope W of S Sugar Lake 2226 Comment
  SEINET8671711 Image available Cheilanthes gracillima W. Bridge Cooke 1937-1 9094 Siskiyou Mt. Shasta, horse camp 2438 Comment
  JEPS59738  Chenopodium botrys W. L. Jepson 1914-8-9 5742 Siskiyou McCloud 1036 Comment
  JEPS59762  Chenopodium vulvaria Louis C. Wheeler 1934-10-6 3307 Siskiyou Yreka 792 Comment
  HSC69312  Chimaphila menziesii Maralyn A. Renner 1980-7-24 1969 Siskiyou Pacific Crest Trail above Lily Pad Lake. 1799 Comment
  HSC60903  Chimaphila menziesii Al Hobart Siskiyou Black Butte Comment
  RSA467013  Chimaphila menziesii M. B. Dunkle 9253 Siskiyou Marble Mts. Klamath N.F. Comment
  UCD117374  Chimaphila menziesii John M. Tucker; L. K. Mann 1963-7-4 3693 Siskiyou Beside road from Etna to Sawyer's Bar, ca. 4.7 miles (by road) southwest of Etna. Comment
  HSC19318  Chimaphila umbellata J. O. Sawyer 1968-7-10 474 Siskiyou Floodplain of Sugar Creek near Sugar Lake. 1799 Comment
  HSC19323  Chimaphila umbellata J. O. Sawyer 1968-6-25 339 Siskiyou 1646 Comment
  CAS-BOT-BC36381  Chrysolepis chrysophylla W. R. Dudley 1907-8-27 s.n. Siskiyou Salmon Mountains Comment
  POM207242  Chrysolepis chrysophylla Marion Ownbey, Fred G. Meyer 1940-7-7 2213 Siskiyou Cayenne Ridge, Marble Mountain. Comment
  HSC4938  Chrysolepis sempervirens J. O. Sawyer 1968-6-25 331 Siskiyou 1646 Comment
  HSC68299  Chrysolepis sempervirens J. P. Smith, J. O. Sawyer 1971-9-16 4765 Siskiyou Ridge S of Bingham Lake. 2134 Comment
  HSC8067  Chrysolepis sempervirens Wm. F. Bowman 1968-10-12 Siskiyou Sugar Creek Trail 1585 Comment
  UCR37810  Chrysopsis villosa var. hispida K. T. Stillman 1976-9-9 467 Siskiyou Marble Mtn Wilderness Area, Marble Mtn Guard Station, Scott Bar 15' Q. Comment
  RSA238760  Chrysothamnus nauseosus subsp. albicaulis Frederick W. Oettinger 1968-8-16 533 Siskiyou Near summit of 'Little Medicine Mountain' (north of Hancock Lake). Salmon Mtns. High Lake Basin in the vicinity of English Peak, Marble Mountain Wilderness Area. 2104 Comment
  HSC2234  Chrysothamnus viscidiflorus subsp. viscidiflorus Geo. D. Butler 1910-7-20 1731 Siskiyou Goosenest 1524 Comment
  UC60953  Cicuta douglasii Geo. B. Grant September 1902 5143 Siskiyou Mount Shasta, Sisson Mount Shasta; Pacific Coast, , Sisson 914 Comment
  CAS-BOT-BC520386  Cinna latifolia Dana York 2011-9-8 3082 Siskiyou Klamath National Forest, Marble Mountain Wildernesss, along PCT ca 650 m SE of Paradise Lake 1950 Comment
  RSA239134  Cinna latifolia Frederick W. Oettinger, Robert F. Thorne 1969-8-4 1165 Siskiyou Between Base Camp and Hancock Lake. Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1951 Comment
  HSC182  Circaea alpina subsp. pacifica William J. Ferlatte 1966-8-3 284 Siskiyou Josephine Lake basin. 1677 Comment
  HSC19228  Circaea alpina subsp. pacifica J. O. Sawyer 1969-7-18 1405 Siskiyou SW facing slope above S Russian Creek. 1905 Comment
  RSA184645  Circaea alpina subsp. pacifica Clare B. Hardham 1965-8-20 13036 Siskiyou Marble Mountains, Granite Trail, near Cudahy Lakes 1220 Comment
  RSA237661  Circaea alpina subsp. pacifica Frederick W. Oettinger 1968-8-11 480 Siskiyou Alder thicket near spring of Tom Taylor Cabin. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2012 Comment
  CDA1178  Cirsium cymosum T. C. Fuller 1962-5-17 8738 Siskiyou Gazelle; 3.5 mi. south on east side of Hwy 99. Comment
  CDA1182  Cirsium cymosum T. C. Fuller 1960-5-24 4342 Siskiyou 1.5 mi. E/ Yreka, N/ R.R. Comment
  CHSC91197  Cirsium cymosum Lowell Ahart; John Dittes 2005-6-10 12056 Siskiyou Meadow area, on the west side of a poor dirt road, about 1.6 miles (air) south of Highway 99/97 Cutoff, about 5 3/4 miles (air) east-southeast of Grenada. 799 Comment
  SEINET9318532  Cirsium cymosum Unknown 1999-6-8 6 99 Siskiyou Siskiyou Comment
  JEPS59124  Cirsium douglasii var. breweri W. L. Jepson Jul 24 1894-Aug 10 1894 Siskiyou meadows at Sissons Strawberry Valley, Sissons Comment
  OBI54106  Cirsium douglasii var. breweri David J. Keil, Kathleen Keil 1992-7-21 23524 Siskiyou Klamath NF SE of Callahan. forest Rd 40N08, 0.5 mi W of Scott Mtn Rd (hwy 3) Comment
  CAS-BOT-BC288005  Cirsium occidentale var. candidissimum John Thomas Howell 1952-6-15 28362 Siskiyou Knoll just east of Montague Comment
  RSA0070693  Cirsium occidentale var. candidissimum L. C. Wheeler 1934-7-16 2908 Siskiyou Oak Knoll Ranger Station, Klamath River. Siskiyou Mts. 671 Comment
  SEINET10808345  Cirsium occidentale var. candidissimum Katherine L. Morris, Melvin L. Conrad; David B. Dunn 1973-6-2 Morris 360 Siskiyou Found at the junction of Shasta and Klamath Rivers on Hwy. 263. Comment
  UCD130676  Cirsium remotifolium var. odontolepis A. H. Murphy 1956-8-16 56 AA Siskiyou Klamath National Forest, Tangle Blue Lake. 1767 Comment
  CAS-BOT-BC286476  Cirsium scariosum Peter H. Raven 1956-9-4 10404 Siskiyou South side of Mt. Eddy 2682 Comment
  CAS-BOT-BC286466  Cirsium scariosum T. C. Fuller 1959-7-9 2738 Siskiyou Hwy 99, 2 miles south of Gazelle Comment
  CAS-BOT-BC286468  Cirsium scariosum John Thomas Howell 1952-6-14 28334 Siskiyou Gazelle Comment
  CDA1589  Cirsium scariosum var. robustum T. C. Fuller 1959-7-9 2738 Siskiyou Hwy 99, 2 mi. S/ Gazelle. 0 Comment
  CAS-BOT-BC228963  Cistanthe umbellata Elmer I. Applegate 1923-8-18 3883 Siskiyou Medicine Lake Comment
  CAS-BOT-BC228973  Cistanthe umbellata Geo. B. Grant 1902-9-7 s.n. Siskiyou Mt Shasta Comment
  CAS-BOT-BC228985  Cistanthe umbellata Alice Eastwood 1912-7-15 1059 Siskiyou Mc Cloud [McCloud] Comment
  CAS-BOT-BC228986  Cistanthe umbellata Donald Myrick 1961-6-20 272 Siskiyou Near Mt. Shasta City Comment
  CAS-BOT-BC164165  Clarkia concinna Mrs. Dorothy Parker 1961-5-26 874 Siskiyou Dry rocky hillside near Cecilville 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
  UC1299417  Clarkia purpurea subsp. quadrivulnera Freed W. Hoffman 1948-7-7 2416 Siskiyou Callahan 1005 Comment
  CAS-BOT-BC164744  Clarkia rhomboidea Wm. Bridge Cooke 1940-7-12 15339 Siskiyou Along the Memorial Highway, near MacBride Springs Comment
  CAS-BOT-BC439103  Claytonia cordifolia Geo. D. Butler 1910-6-5 1510 Siskiyou Shackleford Creek Comment
  CAS-BOT-BC439143  Claytonia exigua subsp. exigua Lewis S. Rose 1945-6-18 45103 Siskiyou Horse Creek & Klamath River 502 Comment
  UC60981  Claytonia palustris Geo. B. Grant Sep 1902 5232 Siskiyou Shasta Springs; Mount Shasta 609 Comment
  CAS-BOT-BC443711  Claytonia rubra Alice Eastwood 1912-7-16 1130 Siskiyou McCloud Comment
  RSA238296  Claytonia rubra Frederick W. Oettinger 1969-8-6 1253 Siskiyou Pine Lake Basin. Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1829 Comment
  RSA47998  Claytonia rubra Roxana S. Ferris 1948-6-12 11807 Siskiyou At Mule Creek crossing of Scott Mountain Road. 1524 Comment
  CAS-BOT-BC443720  Claytonia rubra subsp. depressa John Thomas Howell; T. C. Fuller; G. D. Barbe 1980-4-28 53381 Siskiyou 2.5 miles south of Grenada, Shasta Valley 762 Comment
  UC726455  Claytonia rubra subsp. rubra A. A. Heller 1919-6-27 13277 Siskiyou Metcalf's Comment
  HSC30232  Claytonia rubra subsp. rubra William J. Ferlatte 1968-6-8 1131 Siskiyou Big Flat, near campground 1524 Comment
  SBBG25876  Claytonia sibirica D. Myrick 1966-8-10 1523 Siskiyou Salmon Crk Trail at Mountain Meadow Ranch, Big Flat 1676 Comment
  HSC4460  Claytonia sibirica William J. Ferlatte 1966-8-18 411 Siskiyou 3 mi. S of Big Flat 1585 Comment
  JEPS100601  Claytonia umbellata Dean W. Taylor 1988-7-11 9974 Siskiyou headwaters of Eddy Creek; The Eddys, Trinity Mountains; The Eddys, Trinity Mountains, headwaters of Eddy Creek and western tributary of Dale Creek; on ridgetop 0.2 to 0.8 east from summit of Forest Road 40N45. 2377 Comment
  UC367050  Clintonia uniflora J. G. Lemmon July, 1879 Siskiyou near Shasta Comment
  CAS-BOT-BC500967  Clintonia uniflora Geo. D. Butler 1910-6-5 1478 Siskiyou Shackleford Creek Comment
  RSA145169  Collinsia grandiflora Dorothy Parker 1960-5-23 751 Siskiyou Salmon River between Finley Camp and Sawyers Bar, Comment
  UCD123560  Collinsia linearis J. M. Tucker 1974-7-28 4326 Siskiyou Marble Mountain Wilderness Area, adjacent to Haypress Meadows. 1463 Comment
  UC1409408  Collinsia linearis Frederick W. Oettinger 1968-9-9 794 Siskiyou ne of Tom's Lake (High Lake Basins in vicinity of English Peak, Marble Mountain Wilderness Area, Salmon Mountains, western Siskiyou County); High Lake Basins, Marble Mtn Wilderness Area, Salmon Mts 1828 Comment
  UC1238975  Collinsia parviflora Freed W. Hoffman 1948-7-9 2575 Siskiyou North Coast Ranges, summit of Waldo-Happy Camp Road Waldo-Happy Camp Road; North Coast Ranges, summit of Waldo-Happy Camp Road 1539 Comment
  POM208360  Collinsia rattanii Louis C. Wheeler 1934-6-12 2692 Siskiyou Hungry Creek Lookout, Siskiyou Mountains. 1463 Comment
  HSC25480  Collinsia torreyi J. P. Smith, J. O. Sawyer, Maralyn O'Meara 1972-7-3 5721 Siskiyou E slope of Kangaroo Mtn., above Toehead Lake. 1890 Comment
  UC201122  Collomia grandiflora Dr. E. B. Copeland 1903-8-12 3932 Siskiyou Sisson Comment
  UCD118161  Collomia grandiflora J. M. Tucker 1948-8-2 1752 Siskiyou In the outskirts of McCloud. Comment
  UC164012  Collomia heterophylla Geo. D. Butler 1910-6-4 1496 Siskiyou Shackleford Creek Comment
  SBBG5813  Collomia tinctoria H. and M. Dearing 1939-7-1 3791 Siskiyou Salmon Mtn 1828 Comment
  UC643296  Collomia tinctoria W. Bridge Cooke 1940-7-26 15366 Siskiyou in woods and openings on banks of canyon Mount Shasta, Diller Canyon 1524 Comment
  RSA758586  Collomia tinctoria R. F. Thorne 1969-8-2 63392 Siskiyou Klamath National Forest, Salmon Mountains: Marble Mtn Wilderness, along trail to English Peak. 1159 Comment
  CAS-BOT-BC230679  Collomia tracyi Clarence R. Quick 1958-6-17 58 -28 Siskiyou Near Black Bear Summit S of Sawyer's Bar on ridge road to Cecilville 1356 Comment
  RSA50137  Collomia tracyi E. K. Balls 1949-7-10 13965 Siskiyou 9.5 miles from Sawyers Bar on way to Cecilville. 732 Comment
  HSC61807  Corallorhiza maculata Ruby Van Deventer 13 Jun [year missing] Siskiyou Poker Flat 1585 Comment
  POM168510  Corallorhiza maculata E. B. Copeland 1903-9-6 3926 Siskiyou Mt. Eddy. 1372 Comment
  HSC73994  Corallorhiza mertensiana Gail Newton 1980-6-20 520 Siskiyou Near Bald Mtn. 1326 Comment
  JEPS84238  Corallorhiza mertensiana L. R. Heckard with J. Hickman et al. 1986-7-17 6471 Siskiyou ca. 5 mi. n. town of Seiad Valley (trail up Kangaroo Peak, s. of Lily Pad Lake); Kangaroo Peak 1900 Comment
  JEPS96838  Corallorhiza striata Dean W. Taylor 1972-7-3 1588 Siskiyou Cook and Green Pass 1066 Comment
  JEPS85956  Cordylanthus tenuis subsp. pallescens Don Burk 1990-4-1 DB 17 Siskiyou just s Weed Elementary School (s side of Hilltop Dr, less than 0.1 mi e of S. Davis Ave.); Weed NW Quadrangle 1072 Comment
  SBBG55406  Cordylanthus tenuis subsp. pallescens F. W. Pennell 1940-7-18 26184 Siskiyou Route 99, 2-3 mi N of Mount Shasta City; ISOTYPE: C. pallescens 1158 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
  POM211267  Cordylanthus tenuis subsp. tenuis Louis C. Wheeler 1934-8-31 3231 Siskiyou West Fork Beaver Creek, Siskiyou Mtns. 1159 Comment
  RSA516621  Cordylanthus tenuis subsp. viscidus R. C. Bacigalupi, G. Thomas Robbins, C. L. Custer 1954-8-12 4792 Siskiyou Along highway following the Klamath River, 0.5 mile west of Hamburg. 457 Comment
  HSC65078  Cornus glabrata J. P. Smith, Steve Selva 1970-6-15 3937 Siskiyou Road between Forks of Salmon and Cecilville. 579 Comment
  POM132431  Cornus nuttallii E. B. Copeland 1903-9-8 3850 Siskiyou Foot of Mt. Eddy. 1220 Comment
  HSC19269  Cornus sericea subsp. sericea J. O. Sawyer 1968-7-10 488 Siskiyou Lower slopes grading to terrace of a temporary stream. 1768 Comment
  JEPS50142  Cornus sericea subsp. sericea Willis L. Jepson Jul 24 1894-Aug 10 1894 Siskiyou region of Upper Sacramento, Sisson region Comment
  UC144412  Cornus sericea subsp. sericea A. A. Heller 1905-6-15 8043 Siskiyou near Sisson Comment
  JEPS75962  Cornus sericea subsp. sericea William J. Ferlatte 1974-7-15 1541 Siskiyou Trinity Alps, Yellow Rose Mine Trail 1706 Comment
  CDA4036  Coronilla varia G. D. Barbe, T. C. Fuller 1972-6-13 943 Siskiyou Siskiyou Avenue exit from I-5 north of Dunsmuir; driveway to Dunsmuir Elementary School. 0 Comment
  CAS-BOT-BC180203  Corylus cornuta subsp. californica A. A. Heller 1905-6-5 7971 Siskiyou Between Shasta Retreat and Shasta Springs Comment
  POM270390  Corylus cornuta var. californica Lyman Benson 1929-3-26 1070 Siskiyou Shoulder of Mt. Shasta Pacific Highway. Comment
  RSA624391  Corylus cornuta var. californica L. C. Wheeler 1952-9-17 6935 Siskiyou [no locality information on the label for this specimen] Comment
  POM33148  Crepis monticola Geo. D. Butler 1910-6-2 1450 Siskiyou Near Yreka. Comment
  JEPS16957  Crepis occidentalis Peter H. Raven 1956-9-4 10398 Siskiyou Mount Eddy; s side 2560 Comment
  UC922491  Crepis occidentalis Annie M. Alexander and Louise Kellogg 1949-7-22 5850 Siskiyou Paradise Lake Marble Mountains 2072 Comment
  CAS-BOT-BC290836  Crepis occidentalis subsp. pumila Alice Eastwood 1912-7-17 1188 Siskiyou Sisson Comment
  CAS-BOT-BC290838  Crepis occidentalis subsp. pumila Roxana S. Ferris; Laura Lorraine 1948-6-12 11786 Siskiyou Scott Mountain Road south of Callahan Comment
  HSC475  Crepis pleurocarpa William J. Ferlatte 1966-8-4 300 Siskiyou Yellow Rose Mine 1982 Comment
  RSA13766  Crepis pleurocarpa L. C. Wheeler 1934-8-16 3168 Siskiyou Siskiyou Mountains: 2 mi. east of White Mt. 1921 Comment
  UC895344  Crepis pleurocarpa L. E. Smith 1913-7-12 474 Siskiyou Sulloway Creek Comment
  HSC68062  Croton setiger J. P. Smith, Steve Selva 1970-7-16 4401 Siskiyou 1 mi. E of O'Neill Campground 579 Comment
  SEINET9459397  Croton setiger G. D. Butler 1910-7-28 1794 Siskiyou Near Yreka. Comment
  HSC82249  Cryptantha affinis Thomas W. Nelson, Jane P. Nelson 1980-7-5 5982 Siskiyou Fowler's Campground 1006 Comment
  UC133676  Cryptantha affinis A. A. Heller 1905-6-5 7962 Siskiyou near Shasta Springs Comment
  CHSC93549  Cryptantha flaccida Lowell Ahart; John Dittes 2005-6-10 12070 Siskiyou Rocky hillside north of the Shasta River, south of a poor dirt road, about 50 yards northwest of the pump house along the Shasta River, about 1.9 miles (air) south of Highway 99/97 Cutoff, about 6 miles (air) east-southeast of Grenada. 776 Comment
  UC536684  Cryptantha intermedia D. H. Johnson and F. G. Palmer 1935-5-16 Siskiyou 11 mi ne of Weed 1097 Comment
  RSA695874  Cryptantha intermedia D. W. Taylor 1995-6-4 14968 Siskiyou 3 miles west of Highway 89 on Grenada Road; Shasta Valley; Klamath National Forest. (ca. 10 miles north of Weed). 1159 Comment
  UC1212566  Cryptantha torreyana Francia Chisaki and Helen Sharsmith 1959-8-20 4732 Siskiyou divide between Scott River and East Fork of Salmon River; Inner North Coast Ranges, Carrigher Summit 1981 Comment
  CAS-BOT-BC70480  Cryptogramma acrostichoides Ira L. Wiggins 1955-7-27 13529 Siskiyou Caribou Lake, Salmon-Trinity Alps Primitive Area 2042 Comment
  CAS-BOT-BC70484  Cryptogramma acrostichoides John Thomas Howell 1937-7-26 13525 Siskiyou Caribou Basin, Salmon-Trinity Alps 2286 Comment
  HSC30637  Cryptogramma acrostichoides Frederick W. Oettinger 1968-8-5 404 Siskiyou Marble Mtn. Wilderness Area, 'Shasta Ridge' between Diamond Lake and English Peak 2073 Comment
  RSA331956  Cryptogramma acrostichoides W. Wisura, Dave Kelly 1895-7-31 4080 Siskiyou Near Kangaroo Lake, Scotts Mtns, on granite rocks near campground. Comment
  UC42458  Cryptogramma cascadensis Marshall A. Howe 1894-8-4 Siskiyou Mt Shasta 2590 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-BC80558  Cupressus bakeri Carl B. Wolf 1930-10-19 1746 Siskiyou Modoc Lava Beds, 1 mile east of Timbered Butte on old road from C.W. Hill Farm at Dana to Little Hot Springs Valley 1219 Comment
  CAS-BOT-BC80561  Cupressus bakeri W. L. Jepson 1914-8-11 5764 Siskiyou Lava [beds] Beds, s.e. Siskiyou Co. 1036 Comment
  NY16590  Cupressus bakeri G. D. Butler 1910-7-4 1637 Siskiyou [G... handwriting not clear] foothills 1219.2 Comment
  POM212070  Cupressus bakeri C. B. Wolf 1930-10-19 1746 Siskiyou Modoc Lava Beds, 1 mile E of Timbered Butte on Old Stage Road from CW Hill Farm to Dana to Little Hot Springs Valley Comment
  RSA176218  Cupressus bakeri C. O. Stone 1964-6-20 291 Siskiyou North section line crossing of Sec 13 on west side of Jeep Rd. 1085 Comment
  RSA30874  Cupressus bakeri L. C. Wheeler 1935-4-14 3417 Siskiyou West Fork Seiad Creek, Siskiyou Mtns. (Mt Diablo Mer) Comment
  UC483417  Cupressus bakeri Mrs. Anderson 1902-2-16 Siskiyou Fork of Seiad Creek Comment
  UC164125  Cuscuta californica Geo. D. Butler 1908-8-9 15 Siskiyou summit above Cold Spring; Wooley Creek Comment
  HSC459  Cynoglossum occidentale William J. Ferlatte 1967-7-8 670 Siskiyou Along Yellow Rose Mine trail 1829 Comment
  SD104868  Cynoglossum occidentale Darley Howe 1979-6-26 5103 Siskiyou Military Pass Road, 19 miles east of Highway 97. 1769 Comment
  SDSU2648  Cynoglossum occidentale D. F. Howe 1979-6-26 5108 Siskiyou Military Pass road 19 miles east of #97. 1768 Comment
  RSA264952  Cypripedium californicum G. L. Clifton 1975-7-28 9828 Siskiyou Near Siskiyou Mountains, near Seiad Valley; (Seiad Valley quad) 1634 Comment
  CAS-BOT-BC70716  Cystopteris fragilis Lewis S. Rose 1945-6-18 45105 Siskiyou Horse Creek & Klamath River 502 Comment
  HSC69493  Cystopteris fragilis Maralyn A. Renner 1980-8-19 2490 Siskiyou S side of Caribou Lake 2104 Comment
  HSC69514  Cystopteris fragilis John S. Palmer 1980-8-13 795 Siskiyou Dead Cow Creek, near FS 47N44 from Beaver Creek Rd. 1616 Comment
  UC185190  Cystopteris fragilis Geo. D. Butler 1910-7-9 1694 Siskiyou Shackleford Creek 1219 Comment
  CAS-BOT-BC70717  Cystopteris fragilis Louis C. Wheeler 1934-7-5 2879 Siskiyou Klamath Forest, Deer Creek 1676 Comment
  CAS-BOT-BC445494  Damasonium californicum Lillian S. Mott 1967-7-2 LM 6764 Siskiyou Near Dorris 1371 Comment
  CAS-BOT-BC192255  Danthonia californica A. A. Heller 1915-7-18 12113 Siskiyou Metcalf's ranch, northeast base of Mt. Eddy 1249 Comment
  RSA238378  Danthonia californica var. americana Frederick W. Oettinger 1969-8-14 1372 Siskiyou English Lake Campsite. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1936 Comment
  UCD60722  Danthonia californica var. americana R. Tofsrud 1948-8-3 Siskiyou About 1 mi. SW of Happy Camp. Hwy 96. Comment
  HSC19072  Danthonia intermedia subsp. intermedia J. O. Sawyer 1969-8-4 1797 Siskiyou Above Sugar Lake 2134 Comment
  HSC30643  Danthonia intermedia subsp. intermedia Frederick W. Oettinger, R. F. Thorne 1969-8-4 1173 Siskiyou Marble Mtn. Wilderness Area, just N of Tobacco Lake 1890 Comment
  OBI55458  Darlingtonia californica David J. Keil, Kathleen Keil 1992-7-21 23545 Siskiyou Klamath Natl Forest SE of Callahan. Forest Road 40N08, 1.7 mi W of Scott Mtn rd (hwy 3) Comment
  SEINET5728399 Image available Darlingtonia californica Lowell E. Urbatsch, Vensa Karaman 2000-1 7696 Siskiyou Collected along Road 17, 8.8 mi. SW from the jct. of I-5 and Stewart Spring Rd.; Scott Mountains 1586 Comment
  CAS-BOT-BC420667  Darmera peltata George B. Grant 1902-9-13 s.n. Siskiyou Dunsmuir Comment
  RSA34341  Darmera peltata Carl B. Wolf 1927-8-27 1140 Siskiyou Mouth of Crawford Creek, Klamath River. Comment
  UC60964  Darmera peltata Geo. B. Grant Sep 1902 5185 Siskiyou Dunsmuir; Mount Shasta 609 Comment
  POM211409  Datura stramonium Louis C. Wheeler 1934-10-28 3350 Siskiyou Yreka. 823 Comment
  RSA17661  Delphinium andersonii Elmer I. Applegate 1935-6-8 9453 Siskiyou West cinder slope of Sconchin Butte Lava Beds National Monument Comment
  CAS-BOT-BC9569  Delphinium antoninum Thomas H. Harris 1951-6-1 s.n. Siskiyou Happy Camp 1524 Comment
  CAS-BOT-BC9049  Delphinium decorum subsp. tracyi Dorothy Inez Parker 1948-5-11 45 Siskiyou Around old Southern Oregon Sawmill, Plowman's Valley 1219 Comment
  UC454019  Delphinium depauperatum I. J. Condit 1911-7-27 Siskiyou Castle Lake 1981 Comment
  SBBG25946  Delphinium glaucum D. Myrick 1966-8-10 1517 Siskiyou Salmon Crk Trail at Mountain Meadow Ranch, Big Flat 1676 Comment
  CAS-BOT-BC116155  Delphinium nuttallianum Alice Eastwood 1921-7-24 10744 Siskiyou Castle Lake Comment
  HSC41683  Delphinium nuttallianum Jennifer Whipple 1977-7-22 2052 Siskiyou Dale Creek drainage on the N face of Mount Eddy 2195 Comment
  JEPS84232  Delphinium nuttallianum L. R. Heckard with J. Hickman et al. 1986-7-17 6518 Siskiyou e Condrey Mt. (n-facing cliffs); Alex Hole 1960 Comment
  CAS-BOT-BC116169  Delphinium nuttallianum Elmer Ivan Applegate 1923-8-20 3904 Siskiyou Medicine Lake, Comment
  RSA12574  Delphinium nuttallianum Carl B. Wolf 1934-7-6 6012 Siskiyou 1/2 mile below Wagon Camp, S slope of Mt. Shasta 1524 Comment
  RSA68853  Delphinium nuttallianum A. E. Culbertson 1943-6-26 103 Siskiyou Castle Lake, 5434', in a north facing cirque with an abrupt 1000' backwall; 14 miles s.w. of Mt. Shasta on n. side of a 6600' eastern spur of Trinity Mts.; 2000' above Sacramento R. within 10 air miles of its headwaters to the west. Comment
  UCD61120  Deschampsia cespitosa A. H. Murphy 1954-8-11 54 -E Siskiyou Round Meadow. 1676 Comment
  UCD61387  Deschampsia danthonioides R. Tofsrud 1948-8-1 Siskiyou Summit on road from Happy Camp, Siskiyou Co. to O'Brien, Oregon. Comment
  RSA238393  Deschampsia elongata Frederick W. Oettinger 1969-8-14 1373 Siskiyou Weed area near campsite, English Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1936 Comment
  UC536688  Descurainia incisa subsp. filipes D. H. Johnson and F. G. Palmer 1935-5-16 Siskiyou 11 mi ne Weed 1097 Comment
  POM369575  Descurainia sophia L. C. Wheeler 1934-6-2 2620 Siskiyou Oak Knoll ranger station, Klamath River; Mt. Diablo Mer. 671 Comment
  HSC19282  Dicentra formosa J. O. Sawyer 1968-7-10 486 Siskiyou Floodplain of Sugar Creek near Sugar Lake. 1799 Comment
  RSA297039  Dicentra formosa subsp. formosa John F. Emmel 1974-7-19 516 Siskiyou Wet meadow 0.2 air mile west of Lily Pad Lake, Siskiyou Mountains. 1753 Comment
  CAS-BOT-BC33273  Dicentra pauciflora Edward Lee Greene 1876-8-22 s.n. Siskiyou Scott Mountains Comment
  CAS-BOT-BC402545  Dicentra pauciflora Arthur L. Menzies 1962-7-23 s.n. Siskiyou Castle Lake Comment
  HSC91288  Dicentra pauciflora Jennifer Whipple 1976-6-17 1016 Siskiyou N face of Mt. Eddy 2226 Comment
  CAS-BOT-BC502187  Dichelostemma ida-maia Clarence R. Quick 1958-6-17 58 -18 Siskiyou Occasional on brushy slope near Black Bear SUmmit south of Sawyer's Bar, on ridge road to Cecilville 1356 Comment
  UC3291  Dichelostemma ida-maia C. B. Bradley 1879-1 Siskiyou Comment
  HSC44874  Dichelostemma multiflorum J. P. Smith, Steve Selva 1970-6-15 3944 Siskiyou Road between Forks of Salmon and Cecilville. 579 Comment
  UC593509  Dichelostemma multiflorum E. B. Babcock, G. L. Stebbins Jr. 1936-6-11 1941 Siskiyou about 8 mi s Yreka 822 Comment
  CAS-BOT-BC291024  Dieteria canescens var. shastensis Geo. D. Butler 1910-9-11 1869 Siskiyou Weed Comment
  UC179691  Dieteria canescens var. shastensis A. A. Heller 1914-8-26 11719 Siskiyou in a field at Weed 1524 Comment
  UCR70754  Dimeresia howellii D. W. Taylor, G. L. Clifton, R. D. Stone 1987-8-7 9250 Siskiyou Caldwell Butte, Lava Beds National Monument. On crater floor at northern interior 1500 Comment
  CHSC111314  Diplacus Julie Kierstead Nelson; Brenna Montagne 2012-9-10 2012 -098 Siskiyou Coonrod Flat, east side of Mount Shasta. Roadsides and forest openings, on fine dry volcanic soil with Pinus ponderosa. 1210 Comment
  CAS-BOT-BC153658  Diplacus jepsonii A. A. Heller 1922-7-15 13702 Siskiyou At Medicine Lake 2133 Comment
  UC1222250  Disporum hookeri Joseph P. Tracy 1951-6-16 19493 Siskiyou summit of The Siskiyous, at crossing of Takilma-Happy Camp Road, near State Line Takilma-Happy Camp Road; The Siskiyous, Takilma-Happy Camp Road Comment
  RSA238737  Dodecatheon alpinum Frederick W. Oettinger 1969-7-10 965 Siskiyou Along inlet brook to Upper English Lake. Salmon Mtns. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1768 Comment
  JEPS74496  Dodecatheon jeffreyi W. J. Ferlatte 1966-6-22 72 Siskiyou Josephine Lake basin Trinity Alps, Josephine Lake basin 1676 Comment
  JEPS82701  Dodecatheon jeffreyi Wayne Roderick 1984-6-7 Siskiyou n side Mt. Eddy Mt. Eddy, n side 1676 Comment
  UC178683  Dodecatheon jeffreyi Brandegee June 1887 Siskiyou Sisson's Comment
  UC1199666 Image available Downingia bacigalupii John H. Weiler and A. P. Nelson 1960-6-24 60205 Siskiyou along Ager-Beswick Road 2.7 mi sw California-Oregon border; ; Siskiyou Co. Comment
  JEPS24764  Downingia montana John H. Weiler, L. Constance, and E. Molseed 1960-6-15 60178 Siskiyou just n bridge over Sacramento River (about 300 ft off Highway 99, at the n end of Lake Shasta (Antler Resort Area)); Lake Shasta, Antler Resort Area 396 Comment
  CAS-BOT-BC41764  Draba howellii Gilbert J. Muth 1969-8-10 1348 Siskiyou Ridge west of Boulder Peak. 2346 Comment
  RSA237375  Draba howellii Frederick W. Oettinger 1969-8-25 1544 Siskiyou Near English Peak Trail. Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2104 Comment
  CAS-BOT-BC41305  Draba pterosperma John Thomas Howell 1939-8-4 15038 Siskiyou Marble Mountains. Marble Rim. Comment
  CAS-BOT-BC41310  Draba pterosperma C. L. Hitchcock; J. S. Martin 1939-7-9 5317 Siskiyou King's Castle. 1828 Comment
  CAS-BOT-BC41314  Draba pterosperma George Dexter Butler 1908-8-8 33 Siskiyou Marble Valley. Comment
  CAS-BOT-BC41410  Draba verna John Thomas Howell; T. C. Fuller; G. D. Barbe 1980-4-29 53385 Siskiyou Yreka. 792 Comment
  CAS-BOT-BC41414  Draba verna George Dexter Butler 1910-3-24 1143 Siskiyou Shasta River hills. Comment
  JEPS1616  Draperia systyla W. L. Jepson Jul 17 1902-Jul 22 1902 2070 Siskiyou Devil's Backbone; western Siskiyou 1828 Comment
  HSC68397  Drymocallis glandulosa Maralyn A. Renner 1980-6-26 1253 Siskiyou SE edge of Flint Valley. 1390 Comment
  HSC69379  Drymocallis glandulosa J. O. Sawyer, J. Cole 1980-7-19 3689 Siskiyou Near FS Rd. 45N05, center of section 1890 Comment
  UC454988  Drymocallis glandulosa I. J. Condit 1911-7-7 Siskiyou Shasta Retreat 1066 Comment
  CAS-BOT-BC159434  Drymocallis glandulosa var. glandulosa Doris K. Kildale 1928-7-1 5330 Siskiyou Forks of Salmon, Salmon River 365 Comment
  UC1409376  Drymocallis lactea var. austiniae Frederick W. Oettinger 1969-7-13 1002 Siskiyou moist meadow n Upper English Lake (High Lake Basins in the vicinity of English Peak, Marble Mountain Wilderness Area, w Siskiyou County); Salmon Mountains, Marble Mountain Wilderness Area, English P 1950 Comment
  UCD77958  Drymocallis pseudorupestris Robert E. Preston 2001-7-21 1716 Siskiyou Klamath National Forest, north slope of Rainbow Mountain, T42N R1W ne 1/4 Section 22 2072 Comment
  CAS-BOT-BC158421  Drymocallis rhomboidea Louis C. Wheeler 1934-6-19 2732 Siskiyou Klamath National Forest. Cottonwood Creek 1432 Comment
  HSC45487  Dulichium arundinaceum Maralyn O'Meara 1973-6-5 196 Siskiyou 1.0 mi. up Duck Lakes Trail along a trail crossing stream Comment
  RSA238955  Eleocharis acicularis var. acicularis Frederick W. Oettinger 1968-9-5 714 Siskiyou Cove on SE side of Hancock Lake. The Salmon Mountains, High Lake Basins in the vicinity of English Peak, Marble Mountain Wilderness Area 1936 Comment
  RSA577567  Eleocharis bella L. C. Wheeler 1935-7-20 3677 Siskiyou Scott Valley: Scott river 1.5 miles west of Fort Jones. 822 Comment
  CAS-BOT-BC112979  Eleocharis macrostachya David Daniels Keck 1949-7-20 6370 Siskiyou Scott Valley, 6 mi N of Callahan. Comment
  HSC46340  Eleocharis macrostachya J. P. Smith, Steve Selva 1970-6-15 3918 Siskiyou 10 mi. NW of Forks of Salmon Comment
  POM215742  Elymus elymoides L. C. Wheeler 1934-8-6 3057 Siskiyou Siskiyou Mts.; Rock Gulch off Jaynes Canyon; Mt. Diablo Mer. 1829 Comment
  JEPS70698  Elymus elymoides subsp. elymoides Geo. D. Butler 1909-6-4 812 Siskiyou near Yreka Comment
  UC197116  Elymus elymoides subsp. hordeoides Geo. D. Butler 1910-5-4 1278 Siskiyou Yreka Comment
  HSC108  Elymus elymoides var. californicus William J. Ferlatte 1966-8-2 243 Siskiyou Big Flat, wooded area near public camp 1524 Comment
  HSC41108  Elymus elymoides var. elymoides J. P. Smith, Steve Selva 1970-7-17 4450 Siskiyou Below Kangaroo Lake. 1890 Comment
  HSC39673  Elymus glaucus J. P. Smith, J. O. Sawyer 1971-9-18 4831 Siskiyou 2 mi. W of the junction of Hwy. 3 and Rd. 8, N of Callahan. 1037 Comment
  HSC48284  Elymus glaucus J. O. Sawyer, K. T. Stillman 1978-7-6 3303 Siskiyou Along Happy Camp - O'Brien Rd., above Louse Creek. Comment
  HSC76714  Elymus glaucus K. T. Stillman 1976-7-30 346 Siskiyou Marble Mountain Wilderness Area. Upper Marble Valley. 1829 Comment
  CAS-BOT-BC206603  Elymus glaucus subsp. glaucus W. R. Dudley 1901-8-23 s.n. Siskiyou East slope of Foxtail Ridge, Salmon Mountains Comment
  CAS-BOT-BC235222  Elymus multisetus H. A. Thomas; J. H. Thomas 1954-7-21 4409 Siskiyou Salmon - Trinity Mts. About 6 miles SE of Cecilville. West side of Rush Creek 1158 Comment
  HSC103013  Elymus multisetus J. P. Smith 2014-6-6 13870 Siskiyou Roadside along State Route 96 at access to the Klamath River 306 Comment
  POM198623  Elymus multisetus Geo D. Butler 1910-5-26 1412 Siskiyou Yreka Comment
  UC167210  Elymus multisetus Geo. D. Butler 1909-5-25 823 Siskiyou near Yreka Comment
  UCD62473  Elymus multisetus Louis C. Wheeler 1934-10-21 3328 Siskiyou Shasta Valley, 4 miles E Grenada. 868 Comment
  HSC68524  Elymus spicatus Maralyn A. Renner 1980-6-23 995 Siskiyou W Fork Seiad Creek 878 Comment
  UCD62708  Elymus trachycaulus A. H. Murphy 1956-8-14 56 C Siskiyou Little Mill Creek Meadow, Klamath N. F. 2011 Comment
  HSC29169  Epilobium anagallidifolium Frederick W. Oettinger 1969-9-2 1595 Siskiyou Marble Mtn. Wilderness Area, N side of English Peak 2165 Comment
  HSC78307  Epilobium brachycarpum L. P. Janeway 1983-9-11 659 Siskiyou Poker Flat 1524 Comment
  RSA15795  Epilobium brachycarpum Carl B. Wolf 1927-8-26 1034 Siskiyou Klamath River, 5 miles below Hornbrook. Comment
  CAS-BOT-BC94896  Epilobium brachycarpum R. C. Wenk 2005-7-19 320 Siskiyou Along Pacific Crest Trail, 1-2 mi. S of parking lot at top of pass on N.F.R. 17, going toward Mt. Eddy 2133 Comment
  SD3238  Epilobium brevistylum Eleanor C. Layman 1933-9-3 Siskiyou Shasta Springs. Comment
  JEPS121600  Epilobium ciliatum Kendra Sikes 2011-9-15 Siskiyou Tamarack Flat, north of Mt. Eddy. Gently sloping wet meadow on ultramafic soil; W aspect. South China Mountain quadrangle. TF1_A Comment
  RSA768924  Epilobium ciliatum subsp. ciliatum L. Ahart, John Dittes 2010-7-30 16952 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
  UCD106287  Epilobium densiflorum Alice Eastwood 1912-7-17 1154 Siskiyou Sisson. Comment
  CAS-BOT-BC94897  Epilobium glaberrimum subsp. fastigiatum R. C. Wenk 2005-7-19 323 Siskiyou Along Pacific Crest Trail, 2 mi. S of parking lot at top of pass on N.F.R. 17, going toward Mt. Eddy 2164 Comment
  HSC24698  Epilobium glaberrimum subsp. glaberrimum J. O. Sawyer 1969-7-26 1592 Siskiyou Along Sugar Creek 1707 Comment
  POM261231  Epilobium glaberrimum subsp. glaberrimum W. Bridge Cooke 1941-9-5 16277 Siskiyou Along the spring creek at MacBride Springs, Mount Shasta. 1524 Comment
  HSC49640  Epilobium hallianum Steve Selva 1970-6-16 4038 Siskiyou 4 mi. from Hwy. 3 on Rd. 8 to Sugar Creek 1159 Comment
  RSA237400  Epilobium hallianum Frederick W. Oettinger 1969-7-18 1053 Siskiyou Southwest side of Upper English Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area 1951 Comment
  HSC92086  Epilobium hornemannii subsp. hornemannii Jennifer Whipple 1976-7-24 1531 Siskiyou Dale Creek drainage on the N face of Mt. Eddy 2195 Comment
  JEPS25648  Epilobium hornemannii subsp. hornemannii Rimo Bacigalupi with Mr. and Mrs. Van Deventer 1959-7-9 7288 Siskiyou beside rill Poker Flat 1536 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
  CAS-BOT-BC58021  Equisetum Melissa A. Berry 1957-7-8 s.n. Siskiyou N. Fork of the Salmon River. 609 Comment
  HSC68530  Eremogone congesta Maralyn A. Renner 1980-6-24 1058 Siskiyou 1/2 mi. E of Cook and Green Pass 1555 Comment
  HSC8  Eremogone congesta William J. Ferlatte 1966-6-23 121 Siskiyou Dorleska Summit 2134 Comment
  CAS-BOT-BC168849  Eremogone congesta var. congesta Edna Kelsey 1961-8-1 s.n. Siskiyou Shackleford Trail below Bull Meadow, Marble Mts. Comment
  CAS-BOT-BC174269  Eremogone congesta var. subcongesta Gilbert J. Muth 1969-8-6 1237 Siskiyou Boulder Peak Ridge Comment
  CAS-BOT-BC286699  Ericameria bloomeri S. Cooper Smith 1942-10-11 42 - 1 Siskiyou Shasta National Forest. On #99 Highway at Black Butte 1188 Comment
  HSC5735  Ericameria bloomeri R. C. Wunner 1965-8-14 428 Siskiyou California Lava Beds National Monument; Mammoth Crater 1616 Comment
  SD76180  Ericameria bloomeri Helen V. Witham 1969-10-9 597 Siskiyou McBride Springs Road, Mount Shasta 1500 Comment
  SEINET5727000 Image available Ericameria bloomeri Lowell E. Urbatsch, Vesna Karaman, Castro 2000-1 7707 Siskiyou Mt. Shasta City. Collected along Rd. 89, E of Mt. Shasta City.; Mt. Shasta City 1338 Comment
  SEINET5727123 Image available Ericameria bloomeri Lowell E. Urbatsch, Vesna Karaman, Castro 2000-1 7707 Siskiyou Mt. Shasta City. Collected along Road 89, E of Mt. Shasta City.; Mt. Shasta City 1338 Comment
  SEINET5727124 Image available Ericameria bloomeri Lowell E. Urbatsch, Vesna Karaman, Castro 2000-1 7707 Siskiyou Mt. Shasta City. Collected along Road 89, E of Mt. Shasta City.; Mt. Shasta City 1338 Comment
  SEINET5727125 Image available Ericameria bloomeri Lowell E. Urbatsch, Vesna Karaman, Castro 2000-1 7707 Siskiyou Mt. Shasta City. Collected along Road 89, E of Mt. Shasta City.; Mt. Shasta City 1338 Comment
  UC1223100  Ericameria bloomeri Joseph P. Tracy 1949-9-15 18557 Siskiyou near top, on road between Cecilville and Sawyer's Bar Blue Ridge 1584 Comment
  UC31093  Ericameria bloomeri W. H. Brewer 1862-9-16 1415 Siskiyou Mount Shasta; ; Mt. Shasta 1828 Comment
  CAS-BOT-BC287499  Ericameria greenei A. A. Heller 1927-8-1 14438 Siskiyou Along the base of Spring Hill near the town of Mt Shasta on the headwater of the Sacramento River Comment
  RSA237450  Ericameria greenei Frederick W. Oettinger 1967-8-24 322 Siskiyou Near lookout, along trail on west slope of English Peak. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2226 Comment
  HSC27008  Ericameria nauseosa J. P. Smith, J. O. Sawyer 1972-9-12 5772 Siskiyou Scott Mtn., slopes E of Big Carmen Lake 1982 Comment
  UCD131490  Ericameria nauseosa var. speciosa P. B. Kennedy 1922-8-29 s.n. Siskiyou range back of Fritz Young Ranch, Scott Valley. Comment
  UC205549  Ericameria parryi var. latior Alice Eastwood 1912-8-30 2079 Siskiyou Mt. Eddy Comment
  UC725955  Ericameria parryi var. latior A. A. Heller 1925-7-13 13898 Siskiyou on highway near College Camp Comment
  CAS-BOT-BC293499  Erigeron aliceae J. M. Tucker; L. K. Mann; S. L. Holloway 1963-8-18 3748 Siskiyou Upper Canyon Creek, ca. 1/2 mile northeast of the Marble Valley Guard Station, Marble Mountain Wilderness Area 1920 Comment
  CAS-BOT-BC293505  Erigeron aliceae Doris K. Kildale 1928-8-20 6616 Siskiyou Hancock Lookout, on trail to Marble Mt., B.M. 2151 Comment
  CAS-BOT-BC293508  Erigeron aliceae Louis C. Wheeler 1934-7-3 2855 Siskiyou Soda Creek, Sterling Mt., Siskiyou Mts. 1676 Comment
  HSC29242  Erigeron aliceae Frederick W. Oettinger, R. F. Thorne 1969-8-4 1185 Siskiyou Marble Mtn. Wilderness Area, N of Tobacco Lake 1890 Comment
  HSC69094  Erigeron aliceae Maralyn A. Renner 1980-8-4 2223 Siskiyou Flint Valley 1390 Comment
  SD249139  Erigeron aliceae David Keil, Kathleen Keil 1990-7-28 Siskiyou Marble Moutains. Klamath National Forest. Rye Patch Creek Trail. 1700 Comment
  CAS-BOT-BC293506  Erigeron aliceae Elmer I. Applegate 1923-9-7 3950 Siskiyou Doggett Ridge, Siskiyou Mountains. Klamath River watershed Comment
  HSC61801  Erigeron aliceae Ruby Van Deventer 1939-7-19 Siskiyou Poker Flat 1585 Comment
  CAS-BOT-BC294499  Erigeron bloomeri var. bloomeri John Thomas Howell 1937-7-29 13644 Siskiyou Scott Mt. between Trinity and Siskiyou cos. Comment
  CAS-BOT-BC294506  Erigeron bloomeri var. bloomeri Gilbert Muth 1966-7-22 436 Siskiyou Marble Rim, Marble Mts. 2194 Comment
  JEPS101369  Erigeron bloomeri var. nudatus Dean W. Taylor 1997-6-12 16053 Siskiyou hillslopes at base of Scott Mountains at mouth of Willow Creek, Shasta Valley); ca. 4 miles west of Gazelle Comment
  JEPS33854  Erigeron chrysopsidis var. austiniae Gilbert Muth 1966-7-22 436 Siskiyou Marble Rim Marble Mt. Wilderness Area 2194 Comment
  CAS-BOT-BC294909  Erigeron chrysopsidis var. austiniae E. K. Balls 1950-5-17 14717 Siskiyou 1 mi. N. of rd. branching to Black Crater. Lava Beds Nat'l Monument 1402 Comment
  CAS-BOT-BC295365  Erigeron compositus R. C. Wenk 2005-7-15 211 Siskiyou Trinity Alps, above South Fork of the Salmon River, along the Yellow Rose Mine trail. Top of pass, going N along ridge towards Preacher's Peak 2133 Comment
  CAS-BOT-BC297183  Erigeron concinnus var. concinnus A. A. Heller 1905-6-19 8063 Siskiyou Along the railroad near Grenada station Comment
  CAS-BOT-BC300430  Erigeron elegantulus A. A. Heller 1938-7-13 15273 Siskiyou About a mile south of Bray Comment
  CAS-BOT-BC300475  Erigeron filifolius W. B. Cooke; V. G. Cooke 1966-7-16 37217 Siskiyou Above Bolam Station, Mt. Shasta 1676 Comment
  HSC19464  Erigeron glacialis var. glacialis J. O. Sawyer 1969-8-5 1741 Siskiyou W of Little Duck Lake 2073 Comment
  CAS-BOT-BC295383  Erigeron inornatus Wm. Bridge Cooke 1938-7-22 11326 Siskiyou Mount Shasta. Sisson Southern Trail Comment
  CAS-BOT-BC295394  Erigeron inornatus Copeland 1903-7-3 3531 Siskiyou Klamathon Comment
  LA203587  Erigeron inornatus Edward Lee; 1934-8-14 1113 Siskiyou near summit of Little Grayback, Siskiyou-Del Norte County line 1828 Comment
  CHSC71563  Erigeron inornatus var. inornatus Vernon H. Oswald; Lowell Ahart 1998-8-3 9410 Siskiyou Kangaroo Lake Rd. (USFS 41N08) 3.5 mi southeast of Gazelle-Callahan Rd. 1493 Comment
  UC455840  Erigeron inornatus var. inornatus I. J. Condit 1909-8-23 Siskiyou near Sisson; Mt. Shasta, Castle Lake 1828 Comment
  UC637123  Erigeron inornatus var. inornatus Edward Lee 1934-8-14 1113 Siskiyou near summit of Little Grayback (Siskiyou - Del Norte County Line) 1828 Comment
  CAS-BOT-BC295805  Erigeron petrophilus var. viscidulus Louis C. Wheeler 1934-8-24 3219 Siskiyou Klamath National Forest. Trapper Cr. 1859 Comment
  UC1282031  Erigeron petrophilus var. viscidulus Louise Kellogg Aug 8 1953-Aug 9 1953 123 Siskiyou near Scott Mountain Public Campground; Klamath National Forest, Blue Point 1630 Comment
  UC1034642  Erigeron pumilus var. intermedius Milo S. Baker 1955-6-26 13073 Siskiyou between Weed and Gazelle; Shasta Valley 914 Comment
  HSC92398  Erigeron tener Jennifer Whipple 1977-8-5 2193 Siskiyou Near Little Crater Lake 2195 Comment
  HSC68481  Eriodictyon californicum Maralyn A. Renner 1980-1 817 Siskiyou Slopes N of Moffett Creek 945 Comment
  POM267114A  Eriogonum baileyi var. baileyi L. S. Rose 1941-8-28 41429 Siskiyou Macdoel 1220 Comment
  CDA11920  Eriogonum compositum G. F. Hrusa 1990-4-2 7840 Siskiyou Klamath Ranges; 3 miles N of Yreka along Old Shasta River Rd. Between Yreka and Hwy 96 intersection. Comment
  CAS-BOT-BC248836  Eriogonum compositum var. compositum D. E. Breedlove 1962-6-11 3344 Siskiyou 7.4 miles south-west of Scott Bar 624 Comment
  CAS-BOT-BC248838  Eriogonum compositum var. compositum Doris K. Kildale 1929-7-20 8603 Siskiyou South east spur Preston Peak 1950 Comment
  CAS-BOT-BC250064  Eriogonum compositum var. compositum John Thomas Howell 1937-7-26 13548 Siskiyou Caribou Gulch Comment
  HSC42997  Eriogonum compositum var. compositum J. P. Smith, Steve Selva 1970-6-15 3950 Siskiyou Road between Forks of Salmon and Cecilville. 579 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
  CAS-BOT-BC246493  Eriogonum diclinum James L. Reveal; Mark L. Reveal 1975-8-15 3956 Siskiyou Siskiyou Mountains, Klamath National Forest, along the Dry Lake Lookout Road (Forest Service Road 40S01), 0.5 mile west of Dry Lake Lookout near the Buckthorn Trail 2042 Comment
  NY323263  Eriogonum diclinum L. C. Wheeler 1934-9-1 3235 Siskiyou Siskiyou Mountains; Mt. Diablo Mer.; Jaynes Canyon 1950.7 Comment
  SEINET6417366  Eriogonum diclinum J. L. Reveal, Mark L. Reveal 1975-8-15 3956 Siskiyou Siskiyou Mountains, Klamath National Forest, along the Dry Lake Lookout Road (Forest Service Road 40801), 0.5 mi west of Dry Lake Lookout near the Buckthorn Trail, in open places on the upper slopes 2042 Comment
  CAS-BOT-BC255707  Eriogonum douglasii var. meridionale K. T. Stillman 1976-6-26 107 Siskiyou Marble Mountain Wilderness Area 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-BC255728  Eriogonum elatum var. elatum Gilbert J. Muth 1969-8-6 1244 Siskiyou Boulder Peak Ridge 2468 Comment
  CAS-BOT-BC255762  Eriogonum elatum var. villosum John Thomas Howell 1939-8-2 14885 Siskiyou Spirit Lake, Marble Mts. 1828 Comment
  UC164079  Eriogonum elatum var. villosum Geo. D. Butler 1910-6-26 1606 Siskiyou near Yreka; ; near Yreka, Siskiyou Co. Comment
  NY622277  Eriogonum greenei E. L. Greene 1876-7-7 s.n. Siskiyou Yreka Comment
  HSC58960  Eriogonum lobbii Gilbert Muth 1975-7-31 4439 Siskiyou Near Kangaroo Mtn., close to the town of Seiad Valley 1920 Comment
  RSA237752  Eriogonum lobbii var. lobbii Frederick W. Oettinger 1967-7-30 229 Siskiyou Charmaine Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1921 Comment
  UC375307  Eriogonum luteolum var. luteolum Geo. D. Butler 1908-8-30 199 Siskiyou near Fort Jones Comment
  LA206908  Eriogonum luteolum var. luteolum Louis C. Wheeler; 1934-6-28 2811 Siskiyou Siskiyou Mountains, Beaver Creek at West Fork 701 Comment
  JEPS56734  Eriogonum marifolium W. L. Jepson 1940-6-27 20033 Siskiyou Mt. Shasta; e slope 1828 Comment
  POM165524  Eriogonum marifolium Alice Eastwood 1921-7-25 10801 Siskiyou Pilgrim Creek nursery Comment
  SJSU9507  Eriogonum marifolium M. D. Fleschner 1965-7-23 Siskiyou above Horse Camp on SW side Mt Shasta 2438 Comment
  UC72691  Eriogonum marifolium Milo S. Baker August, 1897 Siskiyou top of Medicine Lake Mts. Medicine Lake Mts. 3048 Comment
  UC912728  Eriogonum marifolium Lewis S. Rose 1937-7-25 37588 Siskiyou s slope of Mt. Shasta Mt. Shasta 1767 Comment
  UC912735  Eriogonum marifolium Alice Eastwood 1921-7-25 10801 Siskiyou near Pilgim Creek nursery Comment
  CAS-BOT-BC263190  Eriogonum marifolium var. cupulatum A. A. Heller 1922-7-15 13694 Siskiyou At Medicine Lake 2133 Comment
  RSA0049749  Eriogonum marifolium var. cupulatum Dean Wm. Taylor 2012-8-22 21300 Siskiyou Elk Flat, easterly flanks of Mt. Shasta, Shasta-Trinity National Forest 1241 Comment
  CAS-BOT-BC267390  Eriogonum marifolium var. marifolium A. A. Heller 1939-7-31 15429 Siskiyou Junction of the Horse Camp and Panther Meadow roads. Mt. Shasta 2286 Comment
  UC1540014  Eriogonum microthecum var. ambiguum Mitchell 1936-5-9 12 Siskiyou sse sloipe of Schonchin Butte Lava Beds National Monument, Schonchin Butte 1569 Comment
  CAS-BOT-BC261675  Eriogonum nudum var. nudum Doris K. Kildale 1928-7-3 5431 Siskiyou Forks of Salmon, Salmon River 365 Comment
  HSC24687  Eriogonum nudum var. nudum J. O. Sawyer 1969-7-9 1203 Siskiyou Near C.C.C. road, N of Sugar Creek 1433 Comment
  HSC27080  Eriogonum nudum var. nudum J. P. Smith, J. O. Sawyer 1972-9-13 5780 Siskiyou 0.5 mi. W of Cook and Green Pass on rd. to Lily Pad Lake. Comment
  SEINET7064409  Eriogonum nudum var. nudum A. G. Vestal 1955-5-17 s.n. Siskiyou Shasta Valley 2.1 miles north of Yreka. (NAD83/WGS84). UTM Zone 10, 531857mE, 4623863mN. Comment
  UC1043396  Eriogonum nudum var. nudum P. C. Everett and E. K. Balls 1954-10-13 20279 Siskiyou 6.7 mi ne, road to Kangaroo Mt. Hwy. 96; Seiad Creek 701 Comment
  HSC689  Eriogonum nudum var. nudum William J. Ferlatte 1967-8-23 1113 Siskiyou Along S Fork of the Salmon River between the campground and Carter's 1524 Comment
  RSA393331  Eriogonum nudum var. nudum L. S. Rose 1937-6-26 37601 Siskiyou 3 miles east of Mt. Shasta City. 1372 Comment
  CAS-BOT-BC269746  Eriogonum nudum var. oblongifolium Geo. D. Butler 1908-7-28 212 Siskiyou Near Yreka Comment
  CAS-BOT-BC272499  Eriogonum nudum var. pubiflorum Elmer I. Applegate 1935-6-11 9501 Siskiyou Upper Ice Cave area, Lava Beds National Monument Comment
  HSC17324  Eriogonum nudum var. pubiflorum C. B. Wolf 1927-8-26 1024 Siskiyou Klamath River, 5 mi. below Hornbrook Comment
  HSC17328  Eriogonum nudum var. pubiflorum D. M. Thomson 1965-7-10 131 Siskiyou Lava Beds N.M., 0.5 mi. S on main rd. from information center Comment
  UC61057  Eriogonum nudum var. pubiflorum W. A. Setchell, C. C. Dobie 1902-7-14 Siskiyou Sisson Mount Shasta, Sisson Comment
  UC618610  Eriogonum nudum var. pubiflorum Susan Stokes 1938-6-17 11037 Siskiyou Sisson Southern Trail Mt. Shasta, Sisson Southern Trail Comment
  UCR31684  Eriogonum nudum var. pubiflorum John C. Roos 1948-9-2 3976 Siskiyou Fort Jones 915 Comment
  LA206891  Eriogonum nudum var. pubiflorum A. A. Heller; 1927-8-2 14443 Siskiyou Gravelly plains about 3 mi. S of Yreka; Transition Zone Comment
  POM165266  Eriogonum nudum var. pubiflorum E. B. Copeland 1903-7-3 3526 Siskiyou Klamathon. Comment
  HSC24900  Eriogonum pyrolifolium Richard Spjut 1970-7-24 871 Siskiyou Near the ski lodge on Mt. Shasta 3293 Comment
  CAS-BOT-BC252960  Eriogonum pyrolifolium var. pyrolifolium Susan Stokes 1938-8-18 11495 Siskiyou Horse Camp Slopes, Mount Shasta 2514 Comment
  SD76169  Eriogonum pyrolifolium var. pyrolifolium Helen V. Witham 1969-10-9 605 Siskiyou Mt. Shasta, in scree at timberline 2400 Comment
  RSA120632  Eriogonum spergulinum var. reddingianum G. D. Barbe 1955-7-17 207 Siskiyou 1 mile. S of Toomes Camp on the country road. West slope. 1890 Comment
  RSA215654  Eriogonum sphaerocephalum Gilbert Muth 1969-8-6 1194 Siskiyou Boulder Peak. 2530 Comment
  HSC43452  Eriogonum strictum var. proliferum Jennifer Whipple 1977-8-4 2151 Siskiyou Wagon Creek drainage on the E face of Mt. Eddy 2439 Comment
  UC1299712  Eriogonum ternatum Freed W. Hoffman 1950-7-14 3624 Siskiyou Baldy Mountain Comment
  CAS-BOT-BC267951  Eriogonum umbellatum Geo. D. Butler 1910-6-19 1580 Siskiyou Goosenest foothills 1524 Comment
  SEINET10904464  Eriogonum umbellatum subsp. polyanthum Mary Susan Taylor 1980-8-19 Taylor 3267 Siskiyou T43N R2E se sec 23, Medicine Lake quad. Shasta-Trinity Natl Forest, in pumice, on Paint Pot Crater. With J. Prouty & E. Heinz. 1920 Comment
  CAS-BOT-BC267986  Eriogonum umbellatum var. argus L. E. Smith 1913-8-1 544 Siskiyou Mt. Eddy Comment
  CAS-BOT-BC267988  Eriogonum umbellatum var. argus Doris K. Kildale 1929-8-24 9037 Siskiyou Rattlesnake Meadow, trail to Preston Peak 1676 Comment
  UC1035862  Eriogonum umbellatum var. argus Annie M. Alexander and Louise Kellogg 1948-9-8 5601 Siskiyou top of grade between Sawyers Bar and Etna 1737 Comment
  CAS-BOT-BC267973  Eriogonum umbellatum var. argus Doris K. Kildale 1928-7-4 5482 Siskiyou Summit of divide between Salmon River and Scott Valley - Sawyers Valley - Etna Mills Comment
  POM274349  Eriogonum umbellatum var. argus B. W. Heacox 1947-9-11 186 Siskiyou Dry-Lake Look-out Station. 2043 Comment
  SCFS2090  Eriogonum umbellatum var. covillei P. C. Billings 1965-7-19 94 Siskiyou 100' above end of rd on Mt. Shasta 2438 Comment
  CHSC67583  Eriogonum umbellatum var. humistratum James D. Jokerst 1992-7-30 3416 Siskiyou Top of divide between Trinity River, summit of reddish mountain S of road crossing saddle. Comment
  UC635432  Eriogonum umbellatum var. humistratum D. Tebbe 1929-7-18 129 Siskiyou Mount Eddy Comment
  HSC17369  Eriogonum umbellatum var. modocense D. M. Thomson 1965-6-19 87 Siskiyou Lava Beds National Monument, Captain Jacks Stronghold Comment
  JEPS84206  Eriogonum umbellatum var. modocense L. R. Heckard with J. Hickman et al. 1986-7-17 6496 Siskiyou ca 14.5 mi Hwy 96 (Walker) (Oak Knoll Ranger Station road to Condrey Mt.; near Dry Lake); Oak Knoll Ranger Station road 2000 Comment
  SEINET1004221 Image available Eriogonum umbellatum var. modocense Mark Fishbein, Lane Greer 2006-1 5879 Siskiyou Paynes Creek, above Paynes Springs, about 2 mi southeast of Medicine Lake. 1990 Comment
  UC585150  Eriogonum umbellatum var. modocense E. B. Babcock, G. L. Stebbins Jr. 1936-6-11 1952 Siskiyou about 2 mi s Sheep Rock (on highway from Bray to Weed, North slope of Mt. Shasta); Mt. Shasta 1235 Comment
  UC1540140  Eriogonum umbellatum var. nevadense Dean Wm. Taylor, Glenn L. Clifton, R. Doug Stone 1987-8-7 9265 Siskiyou on northern interior rim of crater Lava Beds National Monument, Caldwell Butte 1499 Comment
  SEINET4856202  Eriogonum ursinum var. erubescens Unknown 2002-8-5 8371 Siskiyou Scott Bar Mountains, n and w slope and ridge of Deadwood Baldy Peak, Klamath National Forest. 1675 Comment
  RSA238941  Eriophorum crinigerum Frederick W. Oettinger 1968-9-7 754 Siskiyou Local on shistose rock of the Hancock Lake outlet falls surrounded by running water. Open site on NE end of Lake. Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1936 Comment
  CAS-BOT-BC300354  Eriophyllum Arthur Menzies 1962-7-21 s.n. Siskiyou Morgan Meadows, base of Mt. Eddy 1706 Comment
  CHSC118637  Eriophyllum lanatum Julie Kierstead Nelson; Martin Lenz, Rhonda Posey, Brenna Montagne 2016-6-9 2016 -016 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
  CAS-BOT-BC301132  Eriophyllum lanatum var. achilleoides Geo. D. Butler 1910-6-7 1532 Siskiyou McAdams Creek Comment
  SEINET10758249  Eriophyllum lanatum var. achilleoides Andrew Townesmith, Karen M. Meyer 2007-8-1 Townesmith 880 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
  UC1035411  Eriophyllum lanatum var. achilleoides David D. Keck 1953-7-31 6535 Siskiyou 3.5 mi s of Grass Lake (Deer Mountain Service Station) Comment
  UC896332  Eriophyllum lanatum var. achilleoides A. A. Heller 1915-7-16 12101 a Siskiyou slope n side of Mt. Eddy 1371 Comment
  POM252998  Eriophyllum lanatum var. achilleoides A. A. Heller 1938-7-12 15257 a Siskiyou Near the western base of Deer Mountain on US Hwy 97. Comment
  UC507115  Eriophyllum lanatum var. achilleoides Lincoln Constance 1933-6-21 E 83 Siskiyou 1 mi s Oregon-California Line; Siskiyou Mountains Comment
  CAS-BOT-BC301710  Eriophyllum lanatum var. lanceolatum Geo. D. Butler 1910-5-23 1394 Siskiyou Humbug Mountain 1219 Comment
  CAS-BOT-BC301721  Eriophyllum lanatum var. lanceolatum Philip A. Munz 1949-5-18 13309 Siskiyou 2 miles southwest of Gazelle 1066 Comment
  RSA183490  Eriophyllum lanatum var. lanceolatum J. M. Tucker, L. K. Mann 1963-8-18 3763 Siskiyou Saddle between Marble Mountain and SW ridge of Black Mountain (Black Marble Mountain), Marble Mountain Wilderness Area 2104 Comment
  UC609351  Eriophyllum lanatum var. lanceolatum Eleanor Burks Hart 1938-8-18 948 Siskiyou Boulder Peak 2529 Comment
  HSC36770  Erodium cicutarium J. P. Smith 1974-5-25 7400 Siskiyou Along Rd. 8, 0.9 mi. from its junction with Hwy. 3 976 Comment
  CAS-BOT-BC54575  Erysimum capitatum L. E. Smith 1913-5-25 280 Siskiyou Gazelle. Comment
  CAS-BOT-BC55111  Erysimum perenne William Bridge Cooke 1938-6-24 11073 Siskiyou Mount Shasta. MacBride Spring. 1524 Comment
  HSC91050  Erysimum perenne Jennifer Whipple 1978-10-6 2410 Siskiyou Slopes in the Eddy Creek drainage 2287 Comment
  SEINET8206542  Erythranthe moschata A. A. Heller 1914-8-25 11714 Siskiyou near Deetz station opposite Black Butte. 1158 Comment
  SEINET14375314  Erythranthe primuloides D. Paraker, W. Roderick 1967-7-25 s.n. Siskiyou Scott Mountain, Cabin Meadow. 1829 Comment
  RSA237908  Erythronium grandiflorum subsp. grandiflorum Frederick W. Oettinger 1968-8-12 600 Siskiyou Above Diamond Lake on ridge to English Peak. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area 2134 Comment
  CAS-BOT-BC403687  Eschscholzia californica W. B. Cooke; V. G. Cooke; Ed. Stuhl 1961-1-1 s.n. Siskiyou Along Snowline Road, Mount Shasta 1219 Comment
  SEINET10476279  Eschscholzia californica David B. Dunn, Katherine L. Morris; Melvin L. Conrad 1973-6-2 Dunn 361 Siskiyou Found at the junction of shasta and klamath rivers on hwy 263. Comment
  SD112373  Eucephalus breweri Darley F. Howe 1969-9-12 4678 Siskiyou Near north entrance to Klamath National Forest, about 10 miles east of O'Brien, Oregon 1525 Comment
  JEPS74517  Eucephalus glabratus W. J. Ferlatte 1966-8-3 294 Siskiyou Josephine Lake Basin , Trinity Alps 1920 Comment
  CAS-BOT-BC310459  Eucephalus ledophyllus var. ledophyllus K. T. Stillman 1976-9-9 470 Siskiyou Marble Mountain Wilderness Area. N & NE & E side of Black Mtn. Comment
  CAS-BOT-BC310478  Eucephalus tomentellus A. A. Heller 1915-8-26 12242 Siskiyou Slope north side of Mt. Eddy 1767 Comment
  UC1034614  Euphorbia palmeri Douglas Barbe 1955-6-29 10 Siskiyou 0.2 mi n Callahan; Klamath Mountains 975 Comment
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Mar 8 2012
  HSC42922  Euthamia occidentalis Ken Stillman 1976-8-31 462 Siskiyou Along the Klamath River at Williams Point. 366 Comment
  CAS-BOT-BC459230  Euthamia occidentalis Geo. D. Butler 1910-8-27 1859 Siskiyou Oro Fino Comment
  CHSC91727  Fallopia japonica T. C. Fuller 1968-8-1 17452 Siskiyou N.E. corner of Siskiyou Ave. and Interstate 5 freeway, on roadsides and in yards along Siskiyou Ave., n. limits of Dunsmuir. Comment
  HSC19063  Festuca californica J. O. Sawyer 1969-6-12 900 Siskiyou Along C.C.C. road just S of Sugar Creek 1463 Comment
  CAS-BOT-BC278737  Festuca idahoensis Elmer I. Applegate 1935-6-8 9436 Siskiyou Bearpaw Cave, Lava Beds National Monument Comment
  RSA201841  Festuca idahoensis Jack Major, M. Fleschner, R. Pemble 1966-9-4 s.n. Siskiyou Northeast face of Marble Mountain, Marble Mountains. 2226 Comment
  RSA239113  Festuca idahoensis Frederick W. Oettinger 1968-8-8 452 Siskiyou Crapo Meadows. Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2165 Comment
  UC1483545  Festuca idahoensis J. Sawyer and J. Cole 1980-7-21 3902 Siskiyou near Haight Mtn. (along F.S. road running s to sw); Klamath National Forest, Bray Quad. 1938 Comment
  UC796503  Festuca idahoensis Roxana S. Ferris and Laura Lorraine Jun 12 1948-Jun 16 1948 11797 Siskiyou s of Callahan (Scott Mountain Road) Comment
  HSC43044  Festuca occidentalis J. O. Sawyer, K. T. Stillman 1976-7-2 2817 Siskiyou Ridges E of the Little N Fork Trail 732 Comment
  RSA47801  Festuca occidentalis Roxana S. Ferris, Laura Lorraine 11744 Siskiyou French Creek logging road west of Callahan. 1067 Comment
  UC1190231  Festuca occidentalis Ira L. Wiggins 1955-7-24 13498 Siskiyou ridge between upper reaches of China Creek and Blind Horse Creek Comment
  CAS-BOT-BC278917  Festuca ovina C. L. Hitchcock; J. S. Martin 1939-7-9 5321 Siskiyou 1/2 mile southeast of King's Castle, Marble Mts. 1828 Comment
  HSC30646  Festuca rubra Frederick W. Oettinger 1969-9-2 1584 Siskiyou Marble Mtn. Wilderness Area, Bear Meadow near Tom Taylor Cabin 2027 Comment
  UC2046864  Festuca viridula R. E. Brainerd with N. Otting 2013-7-12 2182 Siskiyou Siskiyou County: Klamath Mountains. Marble Mountains Wilderness Area. Near the outlet at the west end of Upper Wright Lake. Comment
  UC618840  Fragaria vesca unknown 1938-6-24 11079 Siskiyou MacBride Springs; Mount Shasta Comment
  CAS-BOT-BC457569  Fragaria vesca subsp. californica Alice Eastwood 1923-5-27 11939 Siskiyou Shasta Springs Comment
  UC61650  Fragaria virginiana subsp. platypetala Geo. B. Grant Sep 1902 5196 Siskiyou Sisson; Mount Shasta 914 Comment
  HSC69518  Frangula californica John Palmer 1980-7-23 566 Siskiyou Past Elbow Springs at end of USFS Rd. 15N19 1220 Comment
  UCD113133  Frangula rubra Jack Major; M. Fleschner, R. Pemble 1966-9-5 s.n. Siskiyou east of Marble Mountain, Marble Mountains. 1716 Comment
  CAS-BOT-BC55700  Frangula rubra subsp. modocensis John Thomas Howell 1934-7-4 12402 Siskiyou Se. corner of Siskiyou Co. Comment
  CAS-BOT-BC55715  Frangula rubra subsp. obtusissima Alice Eastwood 1921-7-31 11013 Siskiyou Shasta Springs Comment
  CAS-BOT-BC59598  Frangula rubra subsp. rubra A. A. Heller 1905-6-22 8087 Siskiyou Between Igerna and Weed 1158 Comment
  CAS-BOT-BC223586  Fraxinus latifolia L. R. Short 1933-6-8 33 Siskiyou Klamath National Forest. Klamath River bank 701 Comment
  RSA576954  Fraxinus latifolia Louis C. Wheeler 1934-9-15 3262 Siskiyou Walker, Klamath River, Siskiyou Mts. (Mt. Diablo Mer.) 518 Comment
  HSC61605  Fritillaria glauca Ruby Van Deventer 6 Jun [year missing] Siskiyou Lookout Mountain 1768 Comment
  JEPS61947  Fritillaria pudica J. W. Kisling 1910-1 Siskiyou Edgewood Comment
  JEPS25674  Galium ambiguum subsp. siskiyouense Rimo Bacigalupi with Mr. and Mrs. Van Deventer 1959-7-10 7319 Siskiyou on rocky ridgetop marking Del Norte-Siskiyou co. boundary Siskiyou Mts. (on steep grade just above jeep road between Poker Flat and Twin Valley) 1664 Comment
  HSC68498  Galium aparine Maralyn A. Renner 1980-6-22 896 Siskiyou Slopes N of Little Shasta River 1372 Comment
  RSA610764  Galium bifolium Louis C. Wheeler 1935-6-27 3597 Siskiyou Marble Mountains: Etna Creek. 1524 Comment
  HSC43048  Galium bolanderi J. O. Sawyer, Ken Stillman 1976-7-1 2771 Siskiyou Streamside terraces and lower slopes along the Little N Fork of the Salmon River. 732 Comment
  UCR64602  Galium bolanderi L. C. Wheeler 1934-8-30 3228 Siskiyou Siskiyou Mountains: Trapper Creek 1585 Comment
  HSC35803  Galium bolanderi J. O. Sawyer 1969-6-11 814 Siskiyou Near C.C.C. road above Paynes Lake Creek 1357 Comment
  UC416635  Galium bolanderi Milo S. Baker 1899-7-17 Siskiyou Lava Beds Fall River Valley Comment
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Jan 16 2007
  UCD121617  Galium boreale P. B. Schultz 1967-7-12 83 Siskiyou 8 miles north of Siskiyou-Shasta county line on State Highway 89. 1219 Comment
  RSA202646B  Galium glabrescens subsp. glabrescens F. Ehrendorfer, G. Ledyard Stebbins 1959-6-29 5915 Siskiyou W flank of Scott Mtn. 1921 Comment
  RSA184794  Galium grayanum var. grayanum Gilbert Muth 1966-7-22 437 Siskiyou Marble Rim, Marble Mountains 2195 Comment
  HSC81558  Galium serpenticum subsp. scotticum Thomas W. Nelson, Jane P. Nelson 1980-7-21 6159 Siskiyou Along F.S. 40N08, 0.6 mi. from junction with S.R. 3 1646 Comment
  JEPS83625  Galium serpenticum subsp. scotticum Marla Knight 1987-7-14 935 Siskiyou junction of Hwy 3 and FS Rd. 40N03 Klamath National Forest, Scott River District, China Mtn. SW 1417 Comment
  HSC69567  Galium triflorum Maralyn A. Renner 1980-8-6 2270 Siskiyou FS Rd. 40S07 crossing of Louse Creek 1127 Comment
  HSC77762  Galium triflorum L. P. Janeway 1983-9-11 676 Siskiyou Poker Flat 1524 Comment
  HSC100301  Garrya elliptica J. P. Smith, & J. O. Sawyer 2011-6-25 13265 Siskiyou At the junction of Hwy. 3 and Callahan - Gazelle Road. 834 Comment
  JEPS101165  Garrya fremontii Dean W. Taylor 1996-6-19 15711 Siskiyou Lime Gulch; bordering Shasta Valley (about 15 miles south of Yreka) 1188 Comment
  UC527339  Garrya fremontii C. B. Wolf 1931-9-2 Siskiyou 4 mi above McCloud Road junction with Pacific Highway 1188 Comment
  CAS-BOT-BC282596  Gastridium phleoides L. E. Smith 1915-5-1 s.n. Siskiyou Dunsmuir Comment
  CAS-BOT-BC56289  Gaultheria ovatifolia W. R. Dudley 1899-7-6 s.n. Siskiyou Bartlett trail to Prestons Peak Comment
  UC334242  Gaultheria ovatifolia unknown 1879-1 Siskiyou near Shasta Comment
  UC1096799  Gayophytum diffusum subsp. parviflorum Barbe 1957-7-13 378 Siskiyou Big Flat Public Camp North Bay Counties, Klamath National Forest (along path to the spring at w side of camp) 1524 Comment
  JEPS93875  Gayophytum heterozygum Vernon H. Oswald and Lowell Ahart 1998-7-21 9316 Siskiyou 2.2 mi ne of Lake Shastina-Big Springs Road ne of Weed (Shasta National Forest plantation on the w side of Highway 97); Shasta National Forest, Highway 97 975 Comment
  UC618776  Gayophytum heterozygum W. Bridge Cooke 1938-7-29 11385 Siskiyou Howard Mount Shasta (along roadside) Comment
  RSA625174  Gentiana calycosa Louis C. Wheeler 1963-8-25 8270 Siskiyou South side of Preston Peak: Rattlesnake Meadow. Comment
  CAS-BOT-BC217415  Gentiana plurisetosa C. C. Harris; S. K. Harris 1939-8-29 976 Siskiyou Half Moon Meadow, Marble Mountain Primitive Area 1670 Comment
  RSA238871  Gentiana plurisetosa Frederick W. Oettinger 1967-8-5 242 Siskiyou North of Tobacco Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1890 Comment
  SEINET8234664  Gentiana plurisetosa Unknown 1939-8-29 976 Siskiyou Half Moon Meadow, Marble Mountain Primitive Area. 1670 Comment
  POM91458  Geum triflorum var. ciliatum Geo. D. Butler 1910-6-19 1578 Siskiyou Goosenest Foothills. 1524 Comment
  RSA237958  Gilia capitata Frederick W. Oettinger 1968-8-16 545 Siskiyou Below Red Hill summit north of Hancock Lake. Salmon Mtns. High Lake Basin in the vicinity of English Peak. Marble Mountain Wilderness Area. 1997 Comment
  UC60878  Gilia capitata subsp. capitata Harley P. Chandler June, 1901 1665 Siskiyou Marble Mountain North Coast Ranges, Marble Mountain 2438 Comment
  JEPS83579  Glyceria borealis Dean Wm. Taylor, Glenn L. Clifton, R. Doug Stone 1987-8-6 9243 Siskiyou Porcupine Lake 1304 Comment
  HSC90811  Glyceria elata D. K. Imper 1987-7-21 Siskiyou Marble Mtn. Wilderness, 8 mi. E of Somes Bar 1372 Comment
  UC1161520  Glyceria elata J. M. Tucker 1963-8-19 3774 Siskiyou Canyon Creek Marble Mountain Wilderness Area (headwaters of Canyon Creek) 1950 Comment
  UCD66846  Glyceria elata P. B. Kennedy 1923-7-29 Siskiyou Sisson. Comment
  UCD85162  Glyceria elata L. Whitney 1934-6-24 s.n. Siskiyou Tennant. 1463 Comment
  HSC26904  Glyceria striata J. P. Smith, J. O. Sawyer 1971-9-17 4784 Siskiyou On trail up to Little Duck lake 1829 Comment
  RSA238999  Glyceria striata Frederick W. Oettinger 1969-8-16 1401 Siskiyou Wire Grass Meadow, English Lake Basin. Salmon Mountains. The High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1677 Comment
  CDA6026  Gnaphalium palustre T. C. Fuller 1962-8-3 9511 Siskiyou Siskiyou Mountains: Gravel bar of Beaver Creek at the mouth of Raggedass Gulch, 5 miles north of the Klamath River. 0 Comment
  HSC27620  Goodyera oblongifolia Carl W. Mize 1972-8-19 106 Siskiyou 732 Comment
  CAS-BOT-BC123669  Grindelia nana var. nana Amos Arthur Heller 1917-9-7 12979 Siskiyou Shasta valley, ten miles S of Gazelle 914 Comment
  UCD98141  Gypsophila paniculata T. C. Fuller 1963-8-27 11160 Siskiyou n. limits of Macdoel. Comment
  SEINET6336347  Habenaria leucostachys W. B. C. 1937-1 Siskiyou Comment
  JEPS101589  Hackelia californica Dean W. Taylor 1999-7-18 17274 Siskiyou headwaters of South Fork Hungry Creek (ca. 6 air miles southwest from Hilt) 1432 Comment
  JEPS25633  Hackelia micrantha Rimo Bacigalupi with Mr. and Mrs. Van Deventer 1959-7-9 7272 Siskiyou Poker Flat 1536 Comment
  CAS-BOT-BC94460  Hackelia micrantha R. C. Wenk 2005-7-19 317 Siskiyou Along Pacific Crest Trail, 1-2 miles S of parking lot at top of pass on National Forest Road 17, going towards Mt. Eddy 2133 Comment
  SEINET11849258  Haplopappus racemosus subsp. pinetorum Unknown 1953-1 119 Siskiyou Scott Mountains, Scott Mountain Public Campground, Klamath National Forest 1631 Comment
  SJSU6536  Hastingsia alba R. W. Trivelpiece 1973-6-28 159 Siskiyou Big Duck Lake, Scott River drainage c. 7.5 mi W of Callahan 2042 Comment
  UC119828  Hastingsia alba J. W. Congdon Aug 1900 Siskiyou Sisson , Sisson (Mt. Shasta) Comment
  UC1409316  Hastingsia alba Frederick W. Oettinger 1968-8-17 561 Siskiyou vicinity English Peak (Pine Lake Meadow, Salmon Mountains, Marble Mountain Wilderness Area, High Lake Basins); Salmon Mountains, Marble Mountain Wilderness Area 1889 Comment
  UC3685  Hastingsia alba Brewer Sept. 1862 1421 Siskiyou Mount Shasta 2438 Comment
  CAS-BOT-BC508655  Hastingsia alba L. E. Smith 1913-7-12 457 Siskiyou Downeys hill Comment
  CAS-BOT-BC508656  Hastingsia alba L. E. Smith 1913-6-18 373 Siskiyou Between Sisson and Castle Lake Comment
  JEPS11905  Hastingsia alba Rimo Bacigalupi with C. L. Custer and G. T. Robbins 1954-8-13 4799 Siskiyou 0.1 mi n of summit of divide w Scott Mountain (along road from Callahan to Carrville and Trinity Center, just n of Trinity-Siskiyou County line) 1615 Comment
  JEPS112688  Hazardia whitneyi var. discoidea Dean W. Taylor 1999-8-12 17352 Siskiyou Mill Creek headwaters, Marble Mountains (ca. 4 miles W of Mugginsville, Quartz Valley) 1889 Comment
  CAS-BOT-BC306352  Helenium L. E. Smith 1913-8-30 532 Siskiyou Mount Eddy Comment
  HSC69055  Helenium bigelovii Maralyn A. Renner 1980-8-6 2313 Siskiyou Cracker Meadow 1555 Comment
  UC897343  Helenium bigelovii John Thomas Howell 1939-8-2 14860 Siskiyou Spirit Lake Marble Mts. Comment
  POM359786  Helenium bigelovii B. C. Templeton 1957-6-23 s.n. Siskiyou S slope of Scott Mt., between Trinity County line and Bear Creek. Comment
  POM68442  Helenium bigelovii Geo D. Butler 1908-8-2 318 Siskiyou Log Lake, Shackleford Creek. Comment
  CLARK-A1528-7877  Helianthus bolanderi John C. Roos 1948-9-1 3981 Siskiyou Fort Jones 853 Comment
  UC166242  Helianthus bolanderi Geo. D. Butler 1908-7-14 506 Siskiyou field near Yreka Comment
  RSA715492  Heliotropium curassavicum var. oculatum L. Ahart 2005-6-9 12038 Siskiyou 20 yards north of where cattle water in the Shasta River, about 3/5 mile (air) south of Highway 99/97 Cutoff, about 2.5 miles (air) east-southeast of Grenada. 775 Comment
  SD98879  Hemizonia congesta subsp. clevelandii Darley F. Howe 1977-7-2 4984 Siskiyou 7.0 miles west of Fort Jones, Scott River Road. 609 Comment
  UC909353  Hesperochiron californicus Ira L. Wiggins 1950-5-28 12388 Siskiyou 0.3 mi. w. Carmen Lake 1706 Comment
  POM73768  Hesperochiron pumilus Geo. D. Butler 1910-4-21 1210 Siskiyou Oro Fino. Comment
  UC454905  Hesperolinon micranthum I. J. Condit 1911-7-10 Siskiyou Shasta Retreat 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
  JEPS31851  Heterotheca villosa var. minor Geo. D. Butler 1908-8-8 338 Siskiyou Marble Valley 1676 Comment
  CAS-BOT-BC312302  Heterotheca villosa var. minor Gilbert Muth 1965-7-28 311 Siskiyou Ridge near Marble Mt. Lookout Comment
  CHSC99993  Heuchera merriamii L. P. Janeway 2008-7-26 9507 Siskiyou Klamath Ranges. Between Castle Crags, Trinity Mountains, and The Eddys; about 200 m west-southwest of Heart Lake and about 0.8 km south of Castle Lake. 1901 Comment
  HSC4792  Heuchera merriamii William J. Ferlatte 1966-8-5 331 Siskiyou N side of Caribou Mtn. 1982 Comment
  UC1190181  Heuchera merriamii Ira L. Wiggins 1955-7-29 13581 Siskiyou summit of ridge above Thompson Creek (trail to Caribou Lake); Trinity Alps 1999 Comment
  UC637118  Heuchera merriamii Edward Lee 1934-8-14 1102 Siskiyou near summit of Little Grayback 1859 Comment
  UC455375  Heuchera micrantha var. erubescens I. J. Condit 1911-7-4 Siskiyou Shasta Retreat Comment
  UCR66568  Heuchera rubescens L. C. Wheeler 1934-8-2 3012 Siskiyou Siskiyou Mtns, Head of Jaynes Canyon 2043 Comment
  RSA237435  Hieracium albiflorum Frederick W. Oettinger 1968-8-12 491 Siskiyou South slope trail down to Tobacco Lake from Lily Pond. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1921 Comment
  SD98940  Hieracium albiflorum Darley F. Howe 1977-7-2 Siskiyou Scott River resort Area. 609 Comment
  UC1408810  Hieracium greenei Frederick W. Oettinger 1968-9-3 688 Siskiyou English Peak; Marble Mountain Wilderness Area 2011 Comment
  HSC26559  Hieracium horridum J. P. Smith, J. O. Sawyer 1972-8-20 5751 Siskiyou Slope of Mt. Hoffman 2134 Comment
  RSA211519  Hieracium horridum William J. Ferlatte 1967-8-20 1041 Siskiyou Caribou Mountain. 2470 Comment
  UC1313023  Hieracium triste J. M. Tucker and L. K. Mann 1963-8-19 3783 Siskiyou headwaters of Canyon Creek; Marble Mountain Wilderness Area 1920 Comment
  CDA30919  Hirschfeldia incana M. Beyers, G. F. Hrusa 2010-8-18 703 Siskiyou Highway 96; Sluice Box Klamath River Access. 556 Comment
  HSC29375  Holodiscus discolor Frederick W. Oettinger 1969-8-16 1412 Siskiyou English Lake trail 1829 Comment
  RSA449787  Holodiscus discolor M. B. Dunkle 1944-7-15 9095 Siskiyou Siskiyou National Forest. Comment
  CAS-BOT-BC152380  Holodiscus discolor var. discolor Doris K. Kildale 1929-7-20 8575 Siskiyou South east spur Preston Peak 1950 Comment
  UCSB40246  Holodiscus discolor var. microphyllus McMinn, Howard 1931-6-27 Siskiyou Shasta City Comment
  CHSC91359  Hordeum depressum Lowell Ahart; John Dittes 2005-6-9 12001 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
  HSC92566  Hordeum marinum subsp. gussoneanum M. A. Baker 1977-5-22 320 Siskiyou N facing slope of hill just S of Whipple Ranch 976 Comment
  UC585215  Horkelia daucifolia E. B. Babcock and G. L. Stebbins Jr. 1936-6-11 1942 Siskiyou ca 8 mi s Yreka 822 Comment
  CAS-BOT-BC143964  Horkelia daucifolia David D. Keck; A. Gustafsson 1938-8-8 4860 Siskiyou On hillside 0.4 mi. S. of Scott Mt. Lodge, near Mill Creek, Scott Mts. 1040 Comment
  POM34911  Horkelia daucifolia Geo. D. Butler 1910-7-3 1634 Siskiyou Creek bank (illegible) foothills. 1220 Comment
  RSA256593  Horkelia daucifolia J. P. Smith 1974-5-25 7509 Siskiyou 2.4 miles west of its jct. with State Route 3. 976 Comment
  CHSC69089  Horkelia fusca subsp. parviflora Vernon Oswald; Lowell Ahart 1997-7-28 8804 Siskiyou Forest Route 15 ca. 1 mi south of Harris Spring. 1463 Comment
  RSA211178  Horkelia fusca subsp. parviflora William J. Ferlatte 1966-6-22 69 Siskiyou Big Flat wooded area near public camp. 1524 Comment
  HSC27406  Horkelia fusca var. parviflora D. H. Norris, Thomas W. Nelson, S. Dowty 1971-6-23 19533 Siskiyou Snowman's Hill Summit 3 mi. W of McCloud on Hwy. 89 Comment
  CAS-BOT-BC514284  Horkelia fusca var. pseudocapitata A. A. Heller 1916-6-23 12429 Siskiyou Near Black Butte N of Sisson 1127 Comment
  JEPS44556  Horkelia tridentata Willis L. Jepson Jul 24 1894-Aug 10 1894 120 p Siskiyou near Sisson; Region of the Upper Sacramento 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
  RSA507457  Horkelia tridentata S. Morgan 1987-7-28 s.n. Siskiyou McGinnis Springs, 5 miles NW of McCloud, Shasta- Trinity National Forest, S of Mt. Shasta. 1768 Comment
  JEPS88752  Horkelia tridentata subsp. tridentata Dean W. Taylor 1993-5-26 13521 Siskiyou ca 400 m e Forest Road 40N04 and right-of-way PG&E natural gas pipeline (1 mi nw Timbered Crater, on border of narrow meadows along unnamed creek tributary to Abode Flat); Modoc Plateau, nw Timbered Crater 1120 Comment
  UC545673  Horkelia tridentata subsp. tridentata Louis C. Wheeler 1934-6-29 2821 Siskiyou Beaver Creek Siskiyou Mts., Mt. Diablo Mer 1341 Comment
  JEPS116582  Horkelia tridentata subsp. tridentata Julie Kierstead Nelson with Rhonda Posey 2007-6-15 2007 -019 Siskiyou North side of Mt. Shasta, south of Hwy 97, along Forest Service Rd. 42N84 Mt. Shasta (in area burned by Hotlum Fire Feb 2006; ca. 4 mi NE of Town of Weed) 1249 Comment
  HSC70598  Horkelia tridentata var. flavescens J. O. Sawyer, R. J. Cole 1981-7-2 4154 Siskiyou Near Scott Mtn. Campground 1585 Comment
  CDA24878  Hornungia procumbens G. D. Barbe, J. T. Howell, T. C. Fuller 1980-4-28 2591 Siskiyou Between Old Highway 99 and railroad 4 km south of Grenada. Comment
  CAS-BOT-BC201123  Hosackia crassifolia Alice Eastwood 1912-7-15 111 Siskiyou Mc Cloud [McCloud] Comment
  HSC71654  Hosackia oblongifolia var. oblongifolia J. P. Smith, Steve Selva 1970-6-15 3981 Siskiyou 1 mi. W of junction of Hwy. 3 and Rd. 8 leading to Sugar Creek 1159 Comment
  JEPS1630  Hydrophyllum capitatum var. alpinum Geo. D. Butler 1910-5-10 1324 Siskiyou Bull Meadow; Goosenest Mountain 1676 Comment
  CAS-BOT-BC95001  Hydrophyllum occidentale R. C. Wenk 2005-7-15 207 Siskiyou Trinity Alps, above S Fork of the Salmon River, along the Yellow Rose Mine Trail. 2133 Comment
  SEINET5518642  Hydrophyllum occidentale G. D. Butler 1910-4-25 1241 Siskiyou Oro Fino Comment
  CAS-BOT-BC312847  Hymenoxys lemmonii Alice Eastwood; John Thomas Howell 1936-6-13 2751 Siskiyou 6 miles n. of Weed Comment
  UC127576  Hymenoxys lemmonii H. T. Mooney 1902-6-1 Siskiyou Yreka Comment
  CAS-BOT-BC400992  Hypericum anagalloides Gilbert Muth 1966-8-1 480 Siskiyou Marble Valley Horse Pasture, Marble Mts. 1792 Comment
  CAS-BOT-BC400985  Hypericum anagalloides Doris K. Kildale 1928-7-4 5526 Siskiyou 1 1/2 miles east of Summit between Sawyers Bar & Etna Mills Comment
  HSC100267  Hypericum scouleri J. P. Smith, , J. O. Sawyer, & R. J. Cole 2010-8-7 13053 Siskiyou Klamath National Forest, road to Crater Lake off Forest Service Road 40N24. 1860 Comment
  CAS-BOT-BC88622  Idahoa scapigera George Dexter Butler 1909-2-1 571 Siskiyou Near Yreka. Comment
  RSA77044  Iliamna latibracteata F. W. Peirson 1923-7-17 3772 Siskiyou Whitney Creek, foot of Mt. Shasta Comment
  JEPS815  Ipomopsis aggregata Geo. D. Butler 1909-6-22 945 Siskiyou Goosenest Mtn Comment
  SJSU6075  Ipomopsis aggregata R. W. Trivelpiece 1971-7-27 62 Siskiyou near Eddy Gulch Lookout c. 4.5 mi S of Sawyers Bar on N Fork Salmon R, Salmon R Mts 1828 Comment
  SEINET12056881  Iris macrosiphon H. P. Chandler 1901-1 1570 Siskiyou near Marble Mountain 1829 Comment
  RSA60636  Iris missouriensis I. L. Wiggins 1950-5-27 12357 Siskiyou Banks of East Fork of Scott River at Callahan Ranger Station, Callahan. 976 Comment
  UC164387  Iris missouriensis Geo. D. Butler 1910-6-3 1467 Siskiyou Quartz Valley Comment
  SD88327  Iris missouriensis Darley F. Howe 1972-7-8 Siskiyou Grass Lake, 21 miles north of Weed on #97. 1524 Comment
  CDA2714  Iris pseudacorus T. C. Fuller 1958-6-19 1797 Siskiyou South of road between Yreka & Montague. 0 Comment
  HSC65849  Iris tenax subsp. klamathensis Gail Newton 1980-6-20 438 Siskiyou Near Bald Mtn. 250 Comment
  JEPS17240  Iris tenuissima W. L. Jepson 1940-7-3 20094 Siskiyou Bartle 1188 Comment
  RSA136359  Iris tenuissima Lee W. Lenz, E. K. Balls 1956-6-18 21805 Siskiyou 1.4 mile west of Bartle (junction with road to Lava Beds), State Highway 89, McCloud to Burney 1220 Comment
  RSA138998  Iris tenuissima Lee W. Lenz 1958-6-22 23531 Siskiyou 18 miles from Happy Camp, road to Cave Junction Comment
  RSA139181  Iris tenuissima Lee W. Lenz 1958-6-22 23530 Siskiyou 17 miles from Happy Camp, road to Cave Junction Comment
  CAS-BOT-BC376182  Isatis tinctoria Andrew Townesmith; Karen M. Meyer 2007-8-3 896 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-BC88667  Isatis tinctoria Ynez Whilton Winblad 1941-6-30 s.n. Siskiyou Between Oregon line and Yreka. Comment
  CDA12116  Isatis tinctoria G. F. Hrusa 1990-4-2 7841 Siskiyou Siskiyou Mountains; Old Shasta River Rd. (Hwy 263) approx. 3 m. S of intersection w/Hwy 96, and 10 miles N of Yreka. Comment
  CAS-BOT-BC88666  Isatis tinctoria William Bridge Cooke 1940-6-20 15150 Siskiyou Along the Pacific Highway in the Klamath River gorge. 609 Comment
  SEINET3148773  Isatis tinctoria G. D. Butler 1910-6-7 1534 Siskiyou Scott River Comment
  CAS-BOT-BC57681  Isoetes bolanderi Elmer I. Applegate 1923-8-19 3889 Siskiyou Medicine Lake Comment
  UC922488  Isoetes occidentalis Annie M. Alexander and Louise Kellogg 1949-7-29 5893 Siskiyou hidden lake above Sky High Lake; Marble Mts, Sky High Valley 1859 Comment
  CAS-BOT-BC324836  Iva axillaris A. A. Heller 1918-7-25 s.n. Siskiyou Shasta Valley between Gazelle and Edgewood Comment
  CAS-BOT-BC324838  Iva axillaris Geo. D. Butler 1910-9-12 1874 Siskiyou Near Lower Klamath Lake 1219 Comment
  CAS-BOT-BC110015  Juncus Elizabeth McClintock; Wayne Roderick; Martha Roderick 1967-7-29 s.n. Siskiyou Trinity Mountains. Mumbo Basin. 1828 Comment
  CAS-BOT-BC110016  Juncus W. R. Dudley 1893-6-21 s.n. Siskiyou Peter Klinks Meadow. Comment
  CAS-BOT-BC110018  Juncus Melissa A. Berry 1957-7-4 s.n. Siskiyou High CCC Road, south of Highway 96, between Ridge and Humbug roads. 1371 Comment
  CHSC60615  Juncus articulatus L. P. Janeway 1983-9-23 696 Siskiyou Along edge of Rd 18N33 ca 6 mi form Grayback Road. 1432 Comment
  JEPS117567  Juncus articulatus Lowell Ahart, John Dittes 2010-7-30 16962 Siskiyou Along the west edge of 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
  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
  HSC46746  Juncus balticus subsp. ater William J. Ferlatte 1974-7-26 1597 Siskiyou Big Flat near S Fork of Salmon River, 100 m W of campground 1524 Comment
  HSC99317  Juncus bolanderi C. B. Wolf 1927-8-26 1096 Siskiyou Klamath River 14 mi. above Happy Camp Comment
  UC60945  Juncus bufonius Geo. B. Grant Sep 1902 5238 Siskiyou Shasta Springs Mount Shasta 609 Comment
  UCSB15124  Juncus bufonius var. bufonius Breedlove, Dennis 1962-6-10 Siskiyou On the north bank of the Klamath River at its junction with Goff Creek; 4.5 miles west of Seiad 411 Comment
  JEPS66928  Juncus bufonius var. occidentalis B. C. Goldsmith 1916-9-9 21 a Siskiyou Klamath Hot Springs Klamath River Comment
  UC1026903  Juncus effusus subsp. pacificus F. J. Hermann 1940-7-26 15357 Siskiyou along Black Butte Spring creek Mount Shasta 1219 Comment
  HSC33332  Juncus ensifolius William J. Ferlatte 1974-7-14 1528 Siskiyou Big Flat near S fork of the Salmon River, at edge of river below campground. 1509 Comment
  HSC60812  Juncus ensifolius Ruby Van Deventer 1962-8-15 Siskiyou Bell Echo Camp in Youngs Valley Comment
  RSA184628  Juncus ensifolius Clare B. Hardham 1965-8-20 13022 Siskiyou Marble Mountains. Cudahy Lakes. Comment
  HSC77130  Juncus exiguus L. P. Janeway 1983-9-23 695 Siskiyou Along edge of FS Rd. 18N33, 6 mi. from the Grayback Rd. 1433 Comment
  HSC30700  Juncus hemiendytus var. hemiendytus Frederick W. Oettinger, R. F. Thorne 1969-8-7 1266 Siskiyou Marble Mtn. Wilderness Area, W of Upper English Lake 1768 Comment
  UCSB63785  Juncus kelloggii Oswald, Vernon; Ahart, Lowell 1998-7-21 Siskiyou Northeast of Weed; east of Grass Lake; and west of Bray on Old State Highway; 0.8 mi east of Tennant Rd; T44N R1W SW'/i Sect. 20 1417 Comment
  CAS-BOT-BC110801  Juncus mertensianus John Thomas Howell 1939-8-8 15154 Siskiyou Black Mountain. Marble Mountains. Comment
  HSC22183  Juncus mertensianus J. O. Sawyer 1969-7-18 1418 Siskiyou Head of S Russian Creek 1829 Comment
  RSA238905  Juncus mertensianus Frederick W. Oettinger 1969-9-2 1599 Siskiyou On the cool north side of English Peak. Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2165 Comment
  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
  JEPS91255  Juncus orthophyllus Dean Wm. Taylor with Rexford E. Palmer 1988-6-23 9871 Siskiyou ca. 4 miles N of Timbered Crater, ca. 1 mile SE of Abobe Flat 1097 Comment
  RSA299465  Juncus orthophyllus J. P. Smith, Steve Selva 1970-7-18 4485 Siskiyou Hanging bog at Kangaroo Lake. 1890 Comment
  SD51279  Juniperus californica Darley F. Howe 1961-8-3 Siskiyou 56.5 miles west of Happy Camp on Highway #96 609 Comment
  CHSC65  Juniperus communis E. G. England 1939-7-16 Siskiyou Mt. Eddy. 2743 Comment
  CAS-BOT-BC81135  Juniperus communis W. B. C. 1938-8-22 11599 Siskiyou South [Slope] slope of Diller Canyon, on the north slopes of Shastina and Shasta 2743 Comment
  CDA707  Juniperus communis var. saxatilis J. Grisham 1960-10-27 Siskiyou Mt. Eddy, ca. 6 mi. W of Mt. Shasta City. Comment
  LA6569  Juniperus communis var. saxatilis Wm. Bridge Cooke; 1939-7-26 13743 Siskiyou above Panther Creek Meadows 2590 Comment
  UC618965  Juniperus communis var. saxatilis H. A. Jensen 1933-10-5 360 Siskiyou slope of Shastina Dunsmuir Quadrangle, Shastina Comment
  CAS-BOT-BC81226  Juniperus occidentalis Alice Eastwood 1922-10-23 11558 Siskiyou Yreka Comment
  CAS-BOT-BC81227  Juniperus occidentalis Mary Strong Clemens 1920-7-28 s.n. Siskiyou Yreka Comment
  CAS-BOT-BC81232  Juniperus occidentalis A. A. Heller 1938-7-12 15262 Siskiyou About 2 miles north of Bray Comment
  UC202176  Juniperus occidentalis Geo. D. Butler 1909-12-10 1112 Siskiyou Klamath Hills Comment
  POM120219  Juniperus occidentalis var. occidentalis Geo D. Butler 1908-7-1 1105 Siskiyou Near Yreka. Comment
  RSA120815  Juniperus occidentalis var. occidentalis G. D. Barbe 1955-6-28 19 Siskiyou 0.6 mile north of Callahan, 50 yds from the road. 1037 Comment
  UCR4291  Juniperus occidentalis var. occidentalis Frank C. Vasek 1965-8-31 650831- 01 Siskiyou Lava Beds National Monument, at the turn-off to Valentine Cave 1393 Comment
  UCR208051  Kalmia polifolia L. C. Wheeler 1934-8-5 3037 Siskiyou Siskiyou Mountains, Mud Springs, Middlehell Creek 1677 Comment
  JEPS10864  Keckiella lemmonii Milo S. Baker 1893-6 Siskiyou near Dunsmuir; Sacramento Canyon Comment
  CHSC1617  Kelloggia galioides V. Holt 1932-7-25 Siskiyou On Mt. Shasta. 1463 Comment
  HSC82202  Kelloggia galioides Thomas W. Nelson, Jane P. Nelson 1980-7-5 5967 Siskiyou Fowler's Campground 1006 Comment
  RSA447645  Kelloggia galioides Chadwick, Chadwick 1911-07 1931 Siskiyou Shasta Springs. Comment
  UC164422  Kelloggia galioides Geo. D. Butler 1910-7-3 1631 Siskiyou Goosenest foothills 1219 Comment
  UCR179178  Kelloggia galioides Robert E. Preston 2001-6-23 1559 Siskiyou Rainbow Mountain and Vicinity, Klamath National Forest, north slope of Rainbow Mtn. 1829 Comment
  CAS-BOT-BC273776  Koeleria pyramidata Elmer I. Applegate 1935-6-8 9435 Siskiyou Bearpaw Cave, Lava Beds National Monument Comment
  CAS-BOT-BC273778  Koeleria pyramidata Geo. D. Butler 1910-7-3 1625 Siskiyou Unspecified 1219 Comment
  CAS-BOT-BC341694  Lagophylla ramosissima Doris K. Kildale 1928-7-25 5866 Siskiyou Klamath River between Gottville & Brown's Resort Comment
  CAS-BOT-BC341704  Lagophylla ramosissima Louis C. Wheeler 1934-6-2 2608 Siskiyou Klamath National Forest. Oak Knoll R. S. 670 Comment
  POM361466  Lagophylla ramosissima L. C. Wheeler 1934-6-2 2608 Siskiyou Oak Knoll ranger station, Klamath River; Mt. Diablo Mer. 671 Comment
  RSA215847  Lamium amplexicaule Louis C. Wheeler 1935-4-18 3429 Siskiyou Greenhorn Creek, Siskiyou Mts, Mt. Diablo Mer. 1006 Comment
  UCD77792  Lapsana communis Robert E. Preston 2000-8-17 1435 Siskiyou McCloud River, along Pine Tree Hollow, ca. 0.5 mi s of Lower Falls, T39N R2W se 1/4 Section 12 975 Comment
  CAS-BOT-BC204928  Lathyrus Clarence R. Quick 1959-6-19 59 -07 Siskiyou 3 miles south of Four Corners on ridge south-east of Seiad Valley Comment
  JEPS116604  Lathyrus brownii J. K. Nelson with Rhonda Posey, Mary Ellen Colberg, Twyla Miller 2006-5-19 2006 -13 Siskiyou North side of Mt. Shasta south of Hwy 97; Hotlum Fire area burned in Feb 2006 1100 Comment
  SEINET3131408  Lathyrus californicus G. D. Butler 1910-7-6 1644 Siskiyou Shackleford Creek 914 Comment
  CAS-BOT-BC204984  Lathyrus jepsonii var. californicus Lewis S. Rose 1945-6-18 45137 Siskiyou Horse Creek & Klamath River 502 Comment
  SEINET3131418  Lathyrus nevadensis G. D. Butler 1910-6-19 1588 Siskiyou Goosenest foothills Comment
  UC61172  Lemna turionifera W. A. Setchell, C. C. Dobie 1902-7-15 Siskiyou Mount Shasta, Sisson Sisson; Mount Shasta, Sisson Comment
  JEPS93928  Lepidium campestre Vernon H. Oswald and Lowell Ahart 1998-8-3 9404 Siskiyou Gazelle-Callahan Road 11.5 mi w of Gazelle; Gazelle-Callahan Road 1524 Comment
  SBBG30517  Lepidium campestre D. Myrick 1968-6-28 2050 Siskiyou Mountain Meadow Ranch, Big Flat, head of Coffee Crk; Trinity Alps 1524 Comment
  UC375301  Lepidium densiflorum var. macrocarpum Geo. D. Butler 1909-7-14 130 Siskiyou near Yreka 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
  CAS-BOT-BC89828  Lepidium montanum A. A. Heller 1905-6-19 8068 Siskiyou Shasta Valley near Grenada Station. Comment
  CHSC91249  Lepidium perfoliatum Lowell Ahart; John Dittes 2005-6-9 11998 Siskiyou Pasture field, on the east side of a poor rock fence, about 300 yards east of where cattle water in the Shasta River, about 3/5 mile (air) south of Highway 99/97 Cutoff, about 2 1/2 miles (air) east-southeast of Grenada. 774 Comment
  HSC47621  Lepidium perfoliatum J. P. Smith 1977-5-15 9068 Siskiyou Yreka Comment
  SDSU3139  Leptodactylon pungens D. F. Howe 1977-7-5 5002 Siskiyou 15 miles SE of Granada. 1219 Comment
  UC643289  Leptodactylon pungens W. Bridge Cooke 1940-6-27 15218 Siskiyou in brush field in the Lava Park along old logging rd leading up Mount Shasta from Hotlum Station on the n side Mount Shasta 1371 Comment
  POM230550  Leptosiphon ciliatus J. T. Howell 1937-7-22 s.n. Siskiyou South Fork of Salmon River near Big Flat 1524 Comment
  RSA164303  Leptosiphon ciliatus Clare B. Hardham 1961-6-30 8013 Siskiyou Near White Mt. 1829 Comment
  RSA211089  Leptosiphon ciliatus William J. Ferlatte 1967-6-27 537 Siskiyou Big Flat 1524 Comment
  UCSB2974  Leptosiphon nuttallii subsp. nuttallii Hardham, Clare 1965-8-20 Siskiyou Near the Cudahy Lakes; on the Granite Trail; Marble Mountains 1524 Comment
  UC725418  Lessingia nemaclada A. A. Heller 1916-7-23 12494 Siskiyou at Dunsmuir Dunsmuir 640 Comment
  POM256458  Lessingia nemaclada Edward Lee 1934-8-11 1041 Siskiyou East of the mouth of Walker Creek, a tributary of the Klamath River (east end of Seiad Valley) 442 Comment
  UCD134102  Lessingia ramulosa James P. Smith; John Sawyer 1971-9-18 4796 Siskiyou State 3 between Callahan and Etna at turnoff to the Proctor Ranch. Comment
  HSC4870  Leucothoe davisiae J. O. Sawyer 1968-7-9 401 Siskiyou Ridge between Sugar Creek and Duck Lake drainages, Sugar Creek near Sugar Lake 2195 Comment
  UC1299367  Lewisia cotyledon var. cotyledon Freed W. Hoffman 1950-7-13 4011 Siskiyou Baldy Mt. Comment
  CAS-BOT-BC444044  Lewisia cotyledon var. cotyledon Edna Kelsey 1961-8-1 s.n. Siskiyou Marble Mts., Cuddyhi Lake [Cuddihy Lakes] Comment
  HSC92945  Lewisia leeana Jennifer Whipple 1976-6-18 1041 Siskiyou W facing slope of the ridge between Durney Lake and Little Crater Lake 2378 Comment
  SBBG124419  Lewisia leeana C. B. Hardham 1961-7-1 8011 Siskiyou White Mtn, just below summit 1981 Comment
  RSA47807  Lewisia rediviva Roxana S. Ferris, Laura Lorraine 1948-6-12 11715 Siskiyou Schoolhouse Hill, Plowman s Valley [Noyes Valley], East Fork of Scott River Comment
  CAS-BOT-BC444468  Lewisia rediviva var. rediviva L. E. Smith 1915-5-1 s.n. Siskiyou Yreka Comment
  HSC65284  Lewisia triphylla Rich White 1978-7-6 251 Siskiyou Pond above Elk Hole 1524 Comment
  CAS-BOT-BC444580  Lewisia triphylla Wm. Bridge Cooke 1939-7-13 13668 Siskiyou Mount Shasta. In The South Gate. Comment
  RSA601895  Lewisia triphylla L. C. Wheeler 1935-7-23 3686 Siskiyou Siskiyou Mountains: Mt. Diablo Mer.; Mud Springs, Middlehell Creek. 2011 Comment
  SEINET4175850 Image available Lewisia triphylla Sally Walker 1983-8-23 Siskiyou Mt Shasta 2896 Comment
  CAS-BOT-BC283813  Leymus cinereus Geo. D. Butler 1910-6-13 1561 Siskiyou Near Yreka Comment
  RSA715805  Leymus cinereus L. Ahart, John Dittes 2005-6-10 12109 Siskiyou 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
  UC1137059  Leymus triticoides August L. Hormay 1932-7-15 Siskiyou 2 mi s Badger Well; Weed Valley Comment
  HSC34295  Ligusticum californicum J. P. Smith, J. O. Sawyer 1973-8-14 7289 Siskiyou Along trail from Log Lake to Campbell Lake 1677 Comment
  HSC96299  Ligusticum grayi Gordon Leppig 1998-8-13 1003 Siskiyou Klamath National Forest, Russian Wilderness, Little Duck Lake Fen 2200 Comment
  UC1400380  Ligusticum grayi Frederick W. Oettinger 1968-8-3 381 Siskiyou at Base Camp Meadow Marble Mt. Wild. Area (midway down Diamond Lake-Hancock Lake trail); Salmon Mts., High Lake Basins, English Peak vicinity, Marble 2011 Comment
  POM82382  Ligusticum grayi Geo. D. Butler 1908-8-11 459 Siskiyou [Unspecified] Comment
  JEPS61987  Lilium columbianum George Butler 1908-8-3 115 Siskiyou Shackleford Creek; w Siskiyou County Comment
  HSC60155  Lilium kelleyanum D. L. Goforth 1979-7-7 226 Siskiyou Klamath National Forest, Condrey Mtn. Comment
  CAS-BOT-BC509360  Lilium kelleyanum Albert M. Vollmer 1949-7-5 11 Siskiyou 7 miles from Callahan on Callahan-Carrville road. Comment
  UC375209  Lilium pardalinum Geo. D. Butler 1908-8-3 115 Siskiyou Log Lake; Shackleford Creek Comment
  CAS-BOT-BC133017  Lilium washingtonianum subsp. purpurascens Marion Ownbey; Fred G. Meyer 1940-7-6 2196 Siskiyou Summit of Cayenne Ridge, Marble Mountain Comment
  CAS-BOT-BC133023  Lilium washingtonianum subsp. purpurascens L. E. Smith 1913-6-29 439 Siskiyou Mt. Eddy Comment
  HSC36707  Lilium washingtonianum subsp. purpurascens Brent Whiteley 1975-7-1 116 Siskiyou 671 Comment
  CAS-BOT-BC133095  Lilium washingtonianum subsp. washingtonianum Alice Eastwood 1912-8-28 1950 Siskiyou Cantara Comment
  CAS-BOT-BC133096  Lilium washingtonianum subsp. washingtonianum L. E. Smith 1913-1-1 s.n. Siskiyou Mt. Shasta Comment
  CAS-BOT-BC133098  Lilium washingtonianum subsp. washingtonianum Alice Eastwood 1923-5-27 s.n. Siskiyou Shasta Springs Comment
  UC454445  Lilium washingtonianum subsp. washingtonianum I. J. Condit Jul 1911 Siskiyou Shasta Retreat Comment
  SD257342  Limnanthes alba Peter F. Zika 2012-5-14 25855 Siskiyou I-5 southbound, one road mile N of (and above) exit 724 for Castella, Cascade Range Highlands (CaRH) 665 Comment
  UC23467  Linanthus ciliatus Harley P. Chandler Jun 1901 1643 Siskiyou Marble Mountain North Coast Ranges 2438 Comment
  UC722477  Linanthus harknessii C. L. Hitchcock and J. S. Martin 1939-7-6 5214 Siskiyou on Takilma to Happy Camp road 1676 Comment
  CDA6302  Linaria genistifolia subsp. dalmatica T. C. Fuller 1958-6-19 1798 Siskiyou South of road to Montague, 1.5 miles east of Yreka. 0 Comment
  UC726397  Linnaea borealis var. longiflora A. A. Heller 1919-6-20 13259 Siskiyou Metcalfs Comment
  UC169897  Linum lewisii Harley P. Chandler June, 1901 1652 Siskiyou North Coast Ranges, Marble Mountain Marble Mountain; North Coast Ranges, Marble Mountain 2438 Comment
  JEPS25642  Listera caurina Rimo Bacigalupi with Mr. and Mrs. Van Deventer 1959-7-9 7281 Siskiyou Poker Flat 1536 Comment
  UC1408889  Listera convallarioides F. W. Oettinger 1969-8-12 1334 Siskiyou between Yellow Dog Creek and Abbott's Lower Cabin (stream spring at the Cedars, along Main North Fork Trail); Salmon Mountains 960 Comment
  JEPS46620  Lithocarpus densiflorus Rick Hermann Sep 1900 Siskiyou Slate Creek; Upper Sacramento River Comment
  SACT002879  Lithocarpus densiflorus Geo Dobbins 1961-6-19 Siskiyou 5 miles west of Oregon Caves National Comment
  SEINET12030465  Lithocarpus densiflorus M. Ownbey, Meyer, F. G. 1940-1 2163 Siskiyou 7mi NW of McCloud Comment
  CAS-BOT-BC36538  Lithocarpus densiflorus var. echinoides W. R. Dudley 1899-8-14 s.n. Siskiyou Near Pig Creek, McCloud Comment
  UC1185940  Lithocarpus densiflorus var. echinoides L. E. Detling 1950-6-8 6587 Siskiyou Dunsmuir 792 Comment
  UC585241  Lithocarpus densiflorus var. echinoides E. B. Babcock, G. L. Stebbins Jr. 1936-6-13 1982 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-BC435475  Lithophragma glabrum J. P. Moore unspecified s.n. Siskiyou Sisson, now Mt. Shasta City Comment
  CAS-BOT-BC325942  Lithospermum californicum Alice Eastwood 1923-5-23 11915 Siskiyou Cantara. S.P.R.R. [Southern Pacific Railroad] Comment
  JEPS94263  Lithospermum ruderale Vernon H. Oswald and Lowell Ahart 1998-6-11 9176 Siskiyou ne of Weed (Shasta National Forest plantation on w side of Highway 97, 2.2 mi ne of Lake Shastina-Big Springs Road); Shasta National Forest, Highway 97 1066 Comment
  JEPS73750  Lolium multiflorum Geo. D. Butler 1908-6-25 482 Siskiyou Butler's Ranch along creek near Yreka; Butler's Ranch Comment
  UC165310  Lomatium californicum Geo. D. Butler 1910-5-18 1359 Siskiyou near Yreka Comment
  HSC29128  Lomatium dissectum var. multifidum Frederick W. Oettinger 1969-7-9 946 Siskiyou High Lake Basins, Marble Mountain Wilderness Area, NW of Upper English Lake 1845 Comment
  JEPS91126  Lomatium engelmannii Dean Wm. Taylor with Craig Martz, Joe Molter, Barbara Williams, Julie Nelson 1997-5-4 15982 Siskiyou along Yreka Ditch ca. 4 air mi sw Gazelle (hillslopes of mts., bordering Shasta Valley, China Mountain 7 1/2' USGS quadrangle); Klamath Region, Scott Mountains 960 Comment
  UC640624  Lomatium engelmannii John Thomas Howell 1937-7-29 13656 Siskiyou between Trinity & Siskiyou co.'s Scott Mt. Comment
  UC922405  Lomatium macrocarpum Annie M. Alexander and Louise Kellogg 1949-7-22 5843 Siskiyou trail to Kings Castle Paradise Lake (top of ridge); Marble Mts., , trail to Kings Castle 2072 Comment
  HSC48969  Lomatium martindalei M. A. Baker 1979-5-17 727 Siskiyou S facing hillside near road to Bald Mtn. trail off FS 15N01 Comment
  HSC39316  Lomatium nudicaule J. P. Smith 1974-5-26 7379 Siskiyou Along FS Rd. 47N03 1524 Comment
  CAS-BOT-BC217789  Lomatium peckianum L. E. Smith 1913-6-29 422 Siskiyou Mt. Eddy Comment
  UC165315  Lomatium piperi Geo. D. Butler 1910-3-14 1130 Siskiyou Yreka Comment
  POM82328  Lomatium piperi Geo. D. Butler 1909-2-28 578 Siskiyou Around Yreka Comment
  RSA452597  Lomatium triternatum L. C. Wheeler 1935-6-9 3555 Siskiyou Siskiyou Mounatins, Yreka Creek 1220 Comment
  UC1731420  Lomatium vaginatum Dean Wm. Taylor with Craig Martz, Joe Molter, Barbara Williams, Julie Nelson 1997-5-4 15983 Siskiyou along Yreka Ditch ca. 4 air mi sw Gazelle (hillslopes of mts., bordering Shasta Valley, China Mountain 7 1/2' USGS quadrangle); Klamath Region, Scott Mountains 960 Comment
  RSA594186  Lonicera ciliosa S. O. Mattoon 1977-6-26 61 Siskiyou Forest Road 47N03, on west side of Meiss Lake; 7 air miles NW of MacDoel. 1463 Comment
  SEINET8056605  Lonicera ciliosa G. D. Butler 1910-5-23 1395 Siskiyou Humbug Mountain. 1219 Comment
  RSA184706  Lonicera conjugialis Gilbert Muth 1966-7-25 455 Siskiyou Marble, near top of ridge, Marble Mts. 2043 Comment
  HSC44721  Lonicera hispidula var. vacillans J. O. Sawyer, E. Cope 1977-6-18 2908 Siskiyou Along Clear Creek Trail below Ten Mile Creek. 488 Comment
  CAS-BOT-BC240849  Lonicera interrupta Lewis S. Rose 1945-6-18 45128 Siskiyou Horse Creek & Klamath River 502 Comment
  CHSC51217  Lonicera interrupta L. P. Janeway 1984-6-21 857 Siskiyou South side of Klamath River just E of Humbug Point; Garvey Bar. 594 Comment
  CAS-BOT-BC200969  Lotus Elmer I. Applegate 1895-5-30 953 Siskiyou Sisson Comment
  POM17238  Lotus crassifolius Geo. D. Butler 1910-6-6 1452 Siskiyou Quartz Valley. Comment
  UC375404  Lotus humistratus Geo. D. Butler 1909-6-23 911 Siskiyou Goosenest foothills Goosenest Comment
  RSA406398  Lotus micranthus J. P. Smith 1973-5-5 6535 Siskiyou Scott Bar along the Scott River. Comment
  UC1408891  Lotus pinnatus F. W. Oettinger 1969-8-12 1342 Siskiyou Abbotts Lower Cabin Salmon Mountains 1188 Comment
  JEPS55748  Lotus purshianus var. purshianus W. L. Jepson Jul 1894 13777 Siskiyou Sisson Comment
  UC726478  Lotus purshianus var. purshianus A. A. Heller 1919-6-30 13288 Siskiyou near Durney's Mill Comment
  CAS-BOT-BC140212  Luetkea pectinata Jack Major; M. Fleschner; R. Pemble 1966-9-5 s.n. Siskiyou Along trail from Marble Mountain to Sky High Lake, east of Marble Mountain, Marble Mountains 1975 Comment
  UC860313  Luetkea pectinata Louis C. Wheeler 1934-8-9 3089 Siskiyou Head of Jaynes Canyon; Siskiyou Mts. 1981 Comment
  UCD109681  Lupinus A. A. Heller 1920-7-3 13407 Siskiyou at Metcalf's ranch, northeast base of Mt. Eddy in the Humid Transition zone. 1158 Comment
  JEPS64892  Lupinus albicaulis var. shastensis Willis L. Jepson August 1894 8 t Siskiyou near Sisson; Mt. Shasta, Upton, near Sisson Comment
  POM211512  Lupinus albicaulis var. shastensis Louis C. Wheeler 1934-6-11 2689 Siskiyou North Hungry Creek 1220 Comment
  UC640281  Lupinus albifrons H. and M. Dearing 1939-6-4 3544 Siskiyou Fort Jones Comment
  CAS-BOT-BC195963  Lupinus albifrons var. albifrons Roxana S. Ferris; Laura Lorraine 1948-6-12 11725 Siskiyou French Creek Logging Road west of Callahan 1219 Comment
  UC82285  Lupinus albifrons var. collinus Dr. E. B. Copeland 1903-7-3 3527 Siskiyou Klamathon Comment
  HSC22252  Lupinus andersonii J. O. Sawyer 1969-6-11 832 Siskiyou Lower slope next to the C.C.C. road on the N fork of Horse Range Creek 1357 Comment
  UC84436  Lupinus argenteus Katharine Brandegee July 1887 Siskiyou Edgewood Comment
  CAS-BOT-BC196377  Lupinus argenteus var. heteranthus Alice Eastwood; John Thomas Howell 1934-4-20 1757 Siskiyou Near Yreka, along Shasta River Comment
  JEPS87960  Lupinus croceus Barbara Ertter 1990-7-14 9330 Siskiyou ca 4 airmi w Mt. Shasta City (Wagon Creek on e-side of Mt. Eddy); e side Mt. Eddy, Wagon Creek 1889 Comment
  HSC14817  Lupinus croceus Dorothy Parker 1949-5-26 Siskiyou Salmon Mtn. Range, along Sugar Creek Rd. (above Eaton Mine). 1677 Comment
  SBBG122855  Lupinus croceus B. Ertter 1990-7-14 9330 Siskiyou Wagon Crk, E side of Mt Eddy, ca. 4 air-mi W of Mt Shasta City 1889 Comment
  RSA413738  Lupinus latifolius subsp. viridifolius Louis C. Wheeler 1934-7-3 2874 Siskiyou Smoky Creek, Sterling Mt. 1494 Comment
  UC162166  Lupinus latifolius var. viridifolius Geo. D. Butler 1908-8-5 374 Siskiyou Woolly Creek above Cold Spring; above Cold Spring, Woolly Creek Comment
  UC609357  Lupinus latifolius var. viridifolius Eleanor B. Hart 1938-8-16 893 Siskiyou e slope Lower Wright Lake; e slope of Lower Wright Lake 2103 Comment
  CHSC63607  Lupinus lepidus var. sellulus Vernon H. Oswald; Lowell Ahart 1994-8-10 6450 Siskiyou Pilgrim Creek Rd. (FS13) at Mudd Creek, 2.7 mi N of Hwy. 89, ca. 4.5 mi (air) NE of McCloud. 1097 Comment
  UC157026  Lupinus lepidus var. sellulus Geo. D. Butler 1908-8-2 368 Siskiyou Shackleford Creek edge Quartz Valley; Shackleford Creek edge of Quartz Valley Comment
  SEINET8056438  Lupinus leucophyllus G. D. Butler 1910-5-21 1376 Siskiyou Klamath River Comment
  UC1713502  Lupinus leucophyllus Geo. D. Butler 1909-5-14 703 Siskiyou Klamath River Comment
  RSA176875  Lupinus onustus A. A. Heller 1927-5-14 14371 Siskiyou Spring Hill, near the town of Mt. Shasta. Comment
  RSA237952  Lupinus polyphyllus subsp. polyphyllus Frederick W. Oettinger 1969-7-31 1111 Siskiyou Salmon Mountains, the High Lake Basins in the vicinity of English Peak Marble Mountain Wilderness Area. 1799 Comment
  HSC92405  Lupinus sellulus subsp. ursinus Jennifer Whipple 1977-7-20 1979 Siskiyou South face of Mt. Eddy. 2470 Comment
  SEINET10937145  Lupinus sellulus var. lobbii Billy Joe Cox, David B. Dunn 1971-6-9 Cox 2808 Siskiyou 3 mi n of weed, on u.s. Hwy 97. S-facing 20 degree slope; roadside; in pinus Ponderosa, p. Jeffreyi, and artemisia tridentata, and purshia. 1128 Comment
  NY16052  Lupinus violaceus A. A. Heller 1905-6-15 8037 Siskiyou Near Sisson Comment
  SEINET3881818  Luzula campestris Rimo C. Bacigalupi, Mr. Van Deventer; Mrs. Van Deventer 1959-7-9 7257 Siskiyou Poker Flat.; 0 622 Comment
  CAS-BOT-BC436704  Luzula comosa var. laxa Louis C. Wheeler 1934-6-12 2691 Siskiyou Klamath Forest, North Hungry Creek 1463 Comment
  RSA211376  Luzula comosa var. laxa William J. Ferlatte 1967-8-19 1038 Siskiyou Along the South Fork of the Salmon River between the campground and Carter s. Trinity Alps. 1524 Comment
  HSC30722  Luzula divaricata Frederick W. Oettinger 1968-8-8 447 Siskiyou Marble Mtn Wilderness Area, where old Tanner's Peak Trail meets English Peak Trail along ridge heading to the peak 2165 Comment
  JEPS84031  Luzula parviflora L. R. Heckard with S. D'Alcamo, J. Hickman 1986-7-16 6414 Siskiyou ca 5 mi n of the town Seiad Valley (e slope Kangaroo Mountain, cirque at head of Hell's Canyon); e slope Kangaroo Mountain, cirque at head Hell's Canyon 1828 Comment
  RSA238897  Luzula parviflora Frederick W. Oettinger 1968-9-9 800 Siskiyou Along stream that runs from Tom s Upper Pond to Tom s Lower Pond. Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2012 Comment
  CDA40731  Lycopus asper H. Christensen 1964-7-21 s.n. Siskiyou East side of Lower Sump, Modoc Wildlife Refuge. 0 Comment
  POM211821  Machaeranthera canescens var. shastensis L. C. Wheeler 1934-8-24 3218 Siskiyou Trapper Creek. 1860 Comment
  RSA170195  Machaeranthera canescens var. shastensis Joseph P. Tracy 1949-9-16 18564 Siskiyou Scott Valley, 1 mile east of Etna 884 Comment
  RSA233706  Machaeranthera canescens var. shastensis R. F. Thorne, Fred Oettinger 1969-8-10 38945 Siskiyou Mt. Shasta National Forest: Southwest slope of Mt. Shasta along Ski Bowl Road. 1280 Comment
  CAS-BOT-BC343992  Madia elegans L. R. Abrams 1927-9-11 12147 Siskiyou Pacific Highway between Hilt and Hornbrook Comment
  SD101077  Madia elegans Darley F. Howe 1977-1 Siskiyou 7.7 miles south of Etna 1000 Comment
  CAS-BOT-BC343442  Madia gracilis Carl B. Wolf 1934-7-4 5939 Siskiyou Klamath River, Horse Creek - Dry Lake Lookout, Siskiyou Mts., 13 1/2 mi. from Horse Creek Bridge 1524 Comment
  UC830825  Madia gracilis Lewis S. Rose 1937-7-26 37607 Siskiyou McCloud 1005 Comment
  POM267999  Madia gracilis subsp. gracilis W. Bridge Cooke 1938-8-5 11440 Siskiyou MacBride Springs, Mount Shasta 1524 Comment
  RSA537395  Mahonia aquifolium W. Wisura, J. Romero 1991-10-17 4595 Siskiyou 1.5 mi up Sugar Creek Rd, N of Callahan. Comment
  RSA12612  Mahonia aquifolium C. B. Wolf 1934-7-5 5973 Siskiyou 7 mi. from Oak Knoll R. S. on Klamath River, on rd. to Dry Lake Lookout, Siskiyou Mts. 1372 Comment
  CAS-BOT-BC512759  Maianthemum racemosum subsp. amplexicaule Doris K. Kildale 1928-7-2 5381 Siskiyou Salmon Summit via Horn Creek Trail 1981 Comment
  CAS-BOT-BC512765  Maianthemum racemosum subsp. amplexicaule John Thomas Howell 1937-7-24 13384 Siskiyou Caribou Basin, Salmon-Trinity Alps 2286 Comment
  RSA184813  Maianthemum racemosum subsp. amplexicaule Gilbert Muth 1966-7-8 364 Siskiyou Marble Valley Meadow, Marble Mountains. 1793 Comment
  RSA237902  Maianthemum racemosum subsp. amplexicaule Frederick W. Oettinger 1968-8-7 438 Siskiyou East side of Hancock Lake. The Salmon Mountains, the high lake basins in the vicinity of English Peak, Marble Mountains Wilderness Area 1936 Comment
  CAS-BOT-BC514183  Maianthemum stellatum Ira L. Wiggins 1955-7-23 13478 Siskiyou Banks of China Creek 1097 Comment
  UCD139117  Maianthemum stellatum J. M. Tucker 1963-7-5 3702 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
  SBBG27134  Marah oregana L. C. Wheeler 1934-8-2 3026 Siskiyou Alnus meadow, Jaynes Cyn, Siskiyou Mtns 1828 Comment
  UC164083  Marah oregana Geo. D. Butler 1909-5-8 731 Siskiyou Klamath River Comment
  HSC46292  Matricaria discoidea J. P. Smith, Steve Selva 1970-6-16 4012 Siskiyou 4 mi. from Hwy. 3 on Rd. 8 to Sugar Creek 1159 Comment
  CHSC86622  Melica fugax Jenny Marr 1993-7-1 5 Siskiyou Butte Valley Wildlife Area, +/- 7 air miles NW of the town of MacDoel. Meadow NW of Meiss Lake. 1349 Comment
  POM198426  Melica fugax Geo D. Butler 1910-4-19 1196 Siskiyou Near Yreka. Comment
  RSA603846  Melica fugax L. C. Wheeler 1935-5-18 3493 Siskiyou Siskiyou Mountains; Yreka Creek (Mt. Diablo Mer.) 854 Comment
  UCD87557  Melica harfordii R. Tofsrud 1948-8-1 s.n. Siskiyou : Near summit of road from Happy Camp to O'Brien, Oregon. Comment
  SEINET10599420  Melica harfordii A. Arthur Heller 1905-6-1 Heller 7935 Siskiyou Between Upper Soda Spring & Shasta Retreat. Comment
  SEINET10599434  Melica harfordii F. Marion Ownbey 1940-7-7 Ownbey 2217 Siskiyou Gravelly soil in open places near summit of Cayenne Ridge, Marble Mountain. Comment
  JEPS25625  Melica subulata Rimo Bacigalupi with Mr. and Mrs. Van Deventer 1959-7-9 7262 Siskiyou Poker Flat 1536 Comment
  HSC71444  Melilotus albus J. P. Smith, Steve Selva 1970-8-9 4577 Siskiyou In potato fields W of Macdoel. Comment
  SEINET8880644 Image available Mertensia ciliata Unknown 1991-5-30 Siskiyou Klamath National Forest; West branch, a Forest Service campground; 2200 feet. Comment
  UCD102787  Micranthes bryophora Joseph M. DiTomaso 1975-9-10 320 Siskiyou Caribou side of Sawtooth Ridge. 2194 Comment
  CAS-BOT-BC428979  Micranthes ferruginea Annetta Carter 1939-8-21 1473 Siskiyou Steep slope above and southeast end of Taylor Lake, 12 miles southwest of Etna, Salmon Mountains 2194 Comment
  CAS-BOT-BC429035  Micranthes nidifica Edna Churchill 1904-4-11 s.n. Siskiyou Yreka Comment
  CAS-BOT-BC429036  Micranthes nidifica John Thomas Howell 1980-4-30 53449 Siskiyou Yreka 792 Comment
  CAS-BOT-BC429259  Micranthes oregana A. A. Heller 1905-6-15 8031 Siskiyou At Sisson Comment
  CAS-BOT-BC349374  Microseris nutans Geo. D. Butler 1910-6-4 1498 Siskiyou Shackleford Creek Comment
  HSC69704  Microseris nutans Maralyn A. Renner 1980-6-26 1262 Siskiyou Klamath National Forest, ridge along FS Rd. 15N01, 1 mi. N of Flint Valley. 1494 Comment
  JEPS84327  Microseris nutans L. R. Heckard with S. D'Alcamo, J. Hickman, S. Winchester 1986-7-16 6421 Siskiyou ca 5 mi n town Seiad Valley (e slope Kangaroo Mountain, cirque at head of Hell's Canyon); e slope Kangaroo Mountain, cirque at head of Hell's Canyon 1828 Comment
  UC128870  Microseris nutans Harley P. Chandler June, 1901 1721 Siskiyou near Marble Mountain; North Coast Ranges, Shackleford Canyon 1828 Comment
  CAS-BOT-BC349364  Microseris nutans L. E. Smith 1912-5-12 203 Siskiyou Castle Creek Comment
  UC446430  Mimulus arvensis T. H. Gilbert Jun 15 1899-Jul 15 1899 Siskiyou Scott River Valley Comment
  RSA408133  Mimulus breweri Louis C. Wheeler 1935-6-27 3595 Siskiyou Etna Creek, Marble Mtns. 1524 Comment
  POM43687  Mimulus floribundus Edward Palmer 1892-7-13 2453 Siskiyou Mt. Shasta and vicinity. Comment
  RSA237239  Mimulus guttatus Frederick W. Oettinger 1967-6-28 128 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
  UC637085  Mimulus inodorus Edward Lee 1934-8-12 1042 Siskiyou tributary Klamath River (mouth of creek, e end of valley); Seiad Valley, Walker Creek 426 Comment
  UC445160  Mimulus layneae W. A. Setchell, C. C. Dobie 1902-7-21 Siskiyou Sisson, 18th Crossing Mount Shasta Comment
  UCR137198  Mimulus lewisii M. B. Dunkle 1945-7-12 9204 Siskiyou Marble Mtns., Klamath National Forest, Marble Valley Summit Trail 2134 Comment
  JEPS3168  Mimulus moniliformis George D. Butler 1908-8-4 453 Siskiyou head Shackleford Creek 1676 Comment
  HSC23587  Mimulus moschatus J. O. Sawyer 1970-7-4 2325 Siskiyou At Cedar Flat Cabin 1402 Comment
  HSC423  Mimulus moschatus William J. Ferlatte 1966-8-3 282 Siskiyou Josephine Lake Basin 1677 Comment
  RSA12581  Mimulus nanus var. jepsonii Carl B. Wolf 1934-7-6 6005 Siskiyou 5.4 mi. from Mt. Shasta City on Wagon Camp Rd. S.W. slope of Mt. Shasta. 1220 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
  UC164262  Mimulus primuloides subsp. linearifolius Geo. D. Butler 1908-8-4 452 Siskiyou head Shackleford Creek 1676 Comment
  HSC91055  Mimulus primuloides var. linearifolius Jennifer Whipple 1976-7-2 1251 Siskiyou Mt. Eddy: Near Dobkins Lake 2073 Comment
  RSA237542  Mimulus primuloides var. pilosellus Frederick W. Oettinger 1967-8-5 241 Siskiyou About 0.5 mile north of Tobacco Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1890 Comment
  JEPS77494  Mimulus tricolor Susan Horner 1978-6-30 400 Siskiyou about 4 mi sse Hambone (on road between 40NO5 and Sand Flat Well, vernal flat below road) Comment
  CAS-BOT-BC174734  Minuartia nuttallii A. A. Heller 1915-8-26 12219 Siskiyou Near the source of Wagon Creek, Mt. Eddy 2590 Comment
  RSA120683  Minuartia nuttallii subsp. gregaria S. S. Tillett 1956-7-9 633 Siskiyou Scott Mtn, Siskiyou Trinity County line, 8 miles SE of Callahan. 2073 Comment
  UC454228  Minuartia nuttallii subsp. gregaria I. J. Condit 1911-7-28 Siskiyou ridge <from> Castle Lake to Mt. Bradley; Shasta Retreat 1981 Comment
  SEINET5336978  Minuartia pusilla G. Butler 1910-4-23 1232 Siskiyou Quartz Valley Comment
  CAS-BOT-BC181159  Minuartia rubella John Thomas Howell 1939-8-8 15171 Siskiyou Black Mt., Marble Mts. Comment
  LA205965  Mirabilis greenei Wm. Bridge Cooke; 1940-6-20 15155 Siskiyou along the Pacific Highway in the Klamath River gorge 609 Comment
  UC163732  Mirabilis greenei Geo. D. Butler 1909-5-16 774 Siskiyou near Yreka Comment
  HSC91200  Mitella pentandra Jennifer Whipple 1977-8-6 2234 Siskiyou Dale Creek drainage on the N face of Mt. Eddy 2195 Comment
  HSC62313  Mitella trifida Al Hobart 1968-6-20 Siskiyou Youngs Valley 1829 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
  RSA237687  Mitella trifida Frederick W. Oettinger 1969-8-22 1484 Siskiyou Head of Pierce s Draw. Salmon Mtns. High Lake Basins in the vicinity of English Peak. Marble Mtn Wilderness Area. 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
  RSA0010759  Mollugo verticillata H. M. Pollard 1948-8-11 s.n. Siskiyou Irving Creek, near Somes Bar. Comment
  UC609332  Monardella Eleanor Burks Hart 1938-8-22 920 Siskiyou n. side Upper Wright Lake 2225 Comment
  HSC22246  Monardella glauca J. O. Sawyer 1969-7-8 1095 Siskiyou SW slope above Music Creek 2360 Comment
  CAS-BOT-BC221809  Monardella odoratissima Alice Eastwood 1912-7-19 1233 Siskiyou Mount Shasta Comment
  CAS-BOT-BC221811  Monardella odoratissima D. E. Breedlove 1961-7-5 699 Siskiyou On boundary of Klamath National Forest and California-Oregon state line along O'Brien to Happy Camp Road; Siskiyou Mtns 1584 Comment
  HSC65493  Monardella odoratissima R. White 1977-7-1 100 Siskiyou Top of Sawtooth Mtn. 1761 Comment
  UC144545  Monardella odoratissima subsp. glauca A. A. Heller 1905-6-13 8018 Siskiyou Shasta Springs Comment
  UCR21090  Monardella odoratissima subsp. glauca T. W. Fisher, Earl Oatman, R. E. Orth 1974-6-26 s.n. Siskiyou McIntosh Ranch on the McCloud River near Bartle 1220 Comment
  CAS-BOT-BC222036  Monardella odoratissima subsp. glauca Doris K. Kildale 1928-7-4 5498 Siskiyou Summit of divide between Sawyers Bar & Etna Comment
  CAS-BOT-BC222162  Monardella odoratissima subsp. pallida A. A. Heller 1915-8-26 12230 Siskiyou North side of Mt. Eddy 1981 Comment
  CAS-BOT-BC222172  Monardella odoratissima subsp. pallida W. R. Dudley 1893-6-20 s.n. Siskiyou Castle Lake Trail, near Mt. Shasta Comment
  RSA760936  Monotropa hypopitys R. F. Thorne, Frederick W. Oettinger 1969-8-4 63357 Siskiyou Klamath National Forest, Salmon Mountains, Marble Mountain Wilderness Area, high lake basins in the vicinity of English Peak Comment
  RSA601900  Montia chamissoi L. C. Wheeler 1935-7-26 3705 Siskiyou Siskiyou mountains: Jaynes Canyon 1951 Comment
  CAS-BOT-BC445110  Montia linearis L. E. Smith 1913-4-22 94 Siskiyou Yreka Comment
  SJSU6510  Montia parvifolia Trivelpiece 1972-6-15 117 Siskiyou Vann Cr near Bear Peak c. 15 mi SW of Happy Camp 1280 Comment
  HSC39859  Muhlenbergia asperifolia J. P. Smith, Steve Selva 1970-8-9 4582 Siskiyou In potato fields W of Macdoel. 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
  UC167215  Muhlenbergia filiformis Geo. D. Butler 1910-7-13 1768 Siskiyou wet meadow Shackleford Creek 1219 Comment
  JEPS45831  Muhlenbergia jonesii Duncan Dunning 1921-7-16 Siskiyou nw Hambone (se Siskiyou Co.); Toad Mountain Comment
  RSA268995  Muhlenbergia jonesii J. R. Reeder, C. G. Reeder 1972-7-24 5808 Siskiyou 7 miles E of McCloud to jct. and 2 miles N of Pilgrim Creek Nursery Road 1128 Comment
  HSC22179  Muhlenbergia montana J. O. Sawyer 1969-7-10 1304 Siskiyou SE facing slope above S Sugar Lake 2165 Comment
  RSA211316  Muhlenbergia montana William J. Ferlatte 1966-8-3 276 Siskiyou Trinity Alps: Josephine Lake basin 1677 Comment
  UC1222235  Myosotis discolor Joseph P. Tracy 1951-6-16 19464 Siskiyou ca. ___ <no mi. given> mi. n. of summit crossing of Siskiyou Mts. (on Takilma Happy Camp Rd.); Siskiyou Mts. Comment
  JEPS20036  Myosurus minimus George D. Butler 1909-4-4 551 Siskiyou Block 5, Yreka Yreka Comment
  JEPS94099  Nama lobbii Vernon H. Oswald and Lowell Ahart 1998-9-8 9610 Siskiyou ca. 6 air mi. w. of Mosquito Lake and Whitehorse Flat Reservoir (USFS 3 ca. 0.8 mi. w. of Julia Glover Flat, ca. 2 air mi. n.w. of Indian Spring Mt.) 1127 Comment
  UC618615  Nama lobbii W. Bridge Cooke 1938-6-17 11034 Siskiyou Sisson Southern trail , Sisson Southern Trail (Mount Shasta) 1371 Comment
  HSC12279  Narthecium californicum Richard Spjut 1970-7-17 450 Siskiyou 16 mi. W of Mt. Shasta at Gumboot Lake 1829 Comment
  RSA760958  Narthecium californicum Robert F. Thorne, Frederick W. Oettinger 1969-8-4 63388 Siskiyou Klamath National Forest, Salmon Mountains, Marble Mountain Wilderness Area, high lake basins in the vicinity of English Peak 1890 Comment
  JEPS69511  Navarretia capillaris Ruby Van Deventer 1938-7-31 267 Siskiyou Poker Flat , Poker Flat (w Siskiyou Mts.) Comment
  HSC30631  Navarretia capillaris Frederick W. Oettinger 1969-7-9 939 Siskiyou Marble Mtn. Wilderness Area, NW of Upper English Lake 1951 Comment
  JEPS101669  Navarretia heterandra Dean W. Taylor 1999-6-9 17244 Siskiyou Agate Flat, 0.3 miles S of Oregon State Line 1005 Comment
  UC880193  Navarretia linearifolia subsp. linearifolia A. A. Heller 1916-7-20 12476 Siskiyou near Wagon Creek Falls; e side Mt. Eddy, near Wagon Creek Falls 1371 Comment
  UC1191634  Navarretia sinistra Herbert L. Mason 1948-7-17 13597 Siskiyou Eastern Grass Lake Comment
  JEPS70476  Navarretia tagetina W. L. Jepson 1940-6-22 19966 Siskiyou Hutton Creek near Hornbrook; Hutton Creek 792 Comment
  CDA40364  Nemophila heterophylla T. C. Fuller 1958-4-16 s.n. Siskiyou Giebner property, 4 miles south of Yreka. 0 Comment
  RSA80775  Nicotiana attenuata F. W. Peirson 1923-7-19 3837 Siskiyou 20 miles north of Bray. Comment
  JEPS107919  Nitrophila occidentalis Lowell Ahart, John Dittes 2005-6-9 12005 Siskiyou Meadow area along a small drainage, on the east side of a poor rock fence, about 300 yards east of where cattle water in the Shasta River, about 3/5 mile (air) south of Highway 99/97 Cutoff, about 2 1/2 miles (air) east-southeast of Grenada 774 Comment
  CAS-BOT-BC60567  Noccaea fendleri subsp. glauca Alice Eastwood 1912-7-23 1330 Siskiyou Cantara. Comment
  CAS-BOT-BC60584  Noccaea fendleri subsp. glauca Jean Langenheim 1957-5-19 4344 Siskiyou At intersection of Miner's Creek road and Tiger Creek road. Comment
  HSC62466  Noccaea fendleri subsp. glauca Ruby Van Deventer 1959-7-9 Siskiyou Twin Valley Comment
  CAS-BOT-BC60580  Noccaea fendleri subsp. glauca Geo. D. Butler 1908-8-5 129 Siskiyou Summit above Cold Spring Wooley Creek. Comment
  JEPS84080  Nothochelone nemorosa L. R. Heckard with S. D'Alcamo, J. Hickman, S. Winchester 1986-7-15 6315 a Siskiyou Indian Creek Road from Takilma to Happy Camp (just s of state line) Comment
  UCD110192  Notholithocarpus densiflorus AT Leiser 1973-3-22 s.n. Siskiyou Dunsmuir. Comment
  RSA0013864  Nuphar lutea subsp. polysepala Frederick W. Oettinger, R. F. Thorne 1969-8-7 1273 Siskiyou East side of English Lake. Salmon Mountains. The high lake basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1753 Comment
  SEINET10632053  Oenothera Daniel K. Harder 1994-9-29 Harder 2487 Siskiyou Ca. 5 mi. W of Callahan on road to Cecilville in Klamath National Forest along S fork of Scott River. At serpentine outcrops along road. 1140 Comment
  POM259019  Oenothera elata subsp. hirsutissima W. Bridge Cooke 1940-7-12 15325 Siskiyou Along the Castle Lake Road near Mount Shasta City. 1067 Comment
  JEPS88631  Orcuttia tenuis Dean Wm. Taylor with Rexford E. Palmer 1988-6-23 9861 Siskiyou ca 5 mi n Timbered Crater (ca 1 mi e of Adobe Flat); Modoc Plateau, Fall River Mills 15' Quadrangle 1097 Comment
  HSC60899  Oreostemma alpigenum var. andersonii Al Hobart Siskiyou Black Butte Comment
  UC1222992  Oreostemma alpigenum var. andersonii Joseph P. Tracy 1949-9-16 18571 Siskiyou on the road between Callahan and Trinity Center Scott Mountain 1615 Comment
  UC1409452  Oreostemma alpigenum var. andersonii Frederick W. Oettinger 1968-8-1 339 Siskiyou south of Little Hancock Lake; Salmon Mountains, Marble Mountain Wilderness Area, English P 2042 Comment
  UC595071  Oreostemma alpigenum var. andersonii David D. Keck 1938-8-8 4868 Siskiyou between Craggy Peak and Scott Mountain divide, at Trinity Co. line Craggy Peak; Trinity Co. line, Scott Mountain 1675 Comment
  JEPS57398  Orobanche corymbosa subsp. mutabilis L. R. Heckard with T. I. Chuang 1968-7-3 1974 Siskiyou 2 miles north of Deer Lodge (ca. 18 miles north of Weed), along U. S. Highway 97. Comment
  JEPS79774  Orobanche corymbosa subsp. mutabilis L. R. Heckard 1967-8-14 1728 Siskiyou Just east of U.S. 97, 2 miles north of Deer Mt. Lodge (19 miles north of Weed). Comment
  CAS-BOT-BC500191  Orobanche fasciculata John Thomas Howell 1939-8-4 15028 Siskiyou Marble Mts: between Elk Mt. and Marble River Comment
  CAS-BOT-BC500329  Orobanche uniflora subsp. occidentalis Gilbert J. Muth 1966-7-18 417 Siskiyou Marble Mountains: Marble Gap Trail, above Marble Valley 1828 Comment
  RSA0059264  Orobanche uniflora subsp. occidentalis Albert M. Vollmer, Lawrence Beane 1951-5-31 12 A Siskiyou On scree near highway, Scott Mountain. Comment
  HSC19213  Orthilia secunda J. O. Sawyer 1968-9-10 685 Siskiyou Below Young's Meadow on Clear Creek. 1372 Comment
  HSC65561  Orthilia secunda R. White 1977-7-21 130 Siskiyou Slope below outlet of Raspberry Lake. 1512 Comment
  HSC803  Orthilia secunda William J. Ferlatte 1967-7-25 714 Siskiyou N side of Caribou Mtn. 1982 Comment
  CAS-BOT-BC458081  Orthilia secunda W. R. Dudley 1899-8-24 s.n. Siskiyou Craggy Peak at Spring Comment
  RSA0083186  Orthilia secunda M. B. Dunkle 1944-8-25 9168 Siskiyou Hungry Creek. 1829 Comment
  RSA0083187  Orthilia secunda L. C. Wheeler 1934-6-23 2772 Siskiyou Hungry Creek, Siskiyou Mts. 1128 Comment
  CAS-BOT-BC105080  Orthocarpus cuspidatus R. C. Wenk 2008-7-24 937 Siskiyou Kangaroo Lake, S of the Gazelle-Callahan Rd. Top of ridge S of the lake 1981 Comment
  JEPS4546  Orthocarpus cuspidatus subsp. copelandii John Thomas Howell 1939-8-4 15034 Siskiyou between Elk Mt. and Marble Rim (Marble Mts.); , btw Elk Mt. and Marble Rim Comment
  UCSB24668  Orthocarpus cuspidatus subsp. copelandii Hardham, Clare 1961-7-3 Siskiyou Scott Mtns. south of Calahan Comment
  JEPS84026  Orthocarpus cuspidatus subsp. cuspidatus L. R. Heckard with J. Hickman et al. 1986-7-17 6516 Siskiyou n slope of Condrey Mountain Condrey Mountain 1960 Comment
  JEPS84182  Orthocarpus cuspidatus subsp. cuspidatus L. R. Heckard with J. Hickman et al. 1986-7-17 6516 Siskiyou n slope of Condrey Mountain Condrey Mountain 1960 Comment
  SEINET13756769  Orthocarpus cuspidatus subsp. cuspidatus G. D. Butler 1910-6-19 1584 Siskiyou Goosenet foothills 1524 Comment
  POM43512  Orthocarpus hispidus Geo. D. Butler 1910-6-6 1461 Siskiyou Quartz Valley. Comment
  UC1034070  Orthocarpus imbricatus unknown 1941-8-16 Siskiyou in areas below Wagon Camp Mount Shasta (Mount Shasta); , below Wagon Camp Comment
  SEINET13755310  Orthocarpus imbricatus G. D. Butler 1910-7-8 1680 Siskiyou Shackleford Creek 1372 Comment
  JEPS82453  Osmorhiza berteroi Gilbert Muth 1966-7-14 396 Siskiyou trail to Black Mountain; Marble Mt. Wilderness Area 1798 Comment
  UCD77894  Osmorhiza depauperata Robert E. Preston 2001-7-20 1684 Siskiyou Klamath National Forest, north slope of Rainbow Mountain, n of Hemlock Lake, 1712 Comment
  HSC58840  Osmorhiza occidentalis Butler 1971-7-7 42 Siskiyou Near El Capitan 1464 Comment
  HSC69284  Osmorhiza occidentalis Maralyn A. Renner 1980-7-24 1953 Siskiyou Pacific Crest Trail above Lily Pad Lake. 1799 Comment
  JEPS84040  Osmorhiza occidentalis L. R. Heckard with S. D'Alcamo, J. Hickman, S. Winchester 1986-7-16 6409 Siskiyou ca 5 mi n town of Seiad Valley (cirque at head of canyon); Hell's Canyon 1750 Comment
  CAS-BOT-BC413216  Oxyria digyna Wm. Bridge Cooke 1938-9-8 11651 Siskiyou Mount Shasta. North side of Red Butte Comment
  CAS-BOT-BC413218  Oxyria digyna Annie M. Alexander; Louise Kellogg 1949-7-28 5888 Siskiyou Sky High Valley, Marble Mountains 1767 Comment
  UCR37815  Oxyria digyna K. T. Stillman 1976-7-15 256 Siskiyou Marble Mountain Wilderness Area, Scott Bar 15' Q. 1951 Comment
  UCD77995  Packera cana Robert E. Preston 2001-7-21 1736 Siskiyou Klamath National Forest, Rainbow Mountain, T42N R1W se 1/4 of ne 1/4 Section 22 2194 Comment
  CAS-BOT-BC253762  Panicum capillare L. R. Abrams 1934-8-23 13647 Siskiyou Dunsmuir Comment
  CHSC78534  Parnassia cirrata var. cirrata Vernon H. Oswald 2000-8-28 9954 Siskiyou East border of Kangaroo Lake. 1853 Comment
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May 8 2007
  POM112088  Pascopyrum smithii Geo D. Butler 1910-6-25 1603 Siskiyou Yreka Comment
  CAS-BOT-BC202834  Paxistima myrsinites John Thomas Howell 1952-6-14 2831 Siskiyou Just north of Black Butte Comment
  CAS-BOT-BC202841  Paxistima myrsinites Roxana S. Ferris; Laura Lorraine 1948-6-12 11753 Siskiyou French Creek Logging Road west of Callahan 1219 Comment
  HSC48271  Paxistima myrsinites K. Stillman, P. Stekel May 1977 512 Siskiyou Along Happy Camp-O'Brien Rd. above Louse Creek Comment
  CAS-BOT-BC266642  Pedicularis bracteosa John Thomas Howell 1937-7-25 13457 Siskiyou Caribou Basin, Salmon-Trinity Alps 2286 Comment
  HSC19156  Pedicularis bracteosa var. flavida J. O. Sawyer 1969-7-24 1486 Siskiyou NE facing seep SW of Sugar Lake 1890 Comment
  HSC29253  Pedicularis bracteosa var. flavida Frederick W. Oettinger, R. F. Thorne 1969-8-7 1269 Siskiyou Marble Mtn. Wilderness Area, SE of English Lake 2012 Comment
  UC1334019  Pedicularis bracteosa var. flavida Dorothy Parker 1949-7-10 335 Siskiyou near Paradise Lake; Siskiyou Mountains, Salmon Mountain 1981 Comment
  UC164398  Pedicularis densiflora Geo. D. Butler 1910-5-10 1324 Siskiyou Goosenest Foothills Comment
  HSC61870  Pedicularis howellii Ruby Van Deventer 1959-7-9 Siskiyou Poker Flat 1585 Comment
  HSC66245  Pedicularis howellii Maralyn A. Renner 1980-7-28 2183 Siskiyou E spur of Kangaroo Mtn., near ridge 1890 Comment
  JEPS80571  Pedicularis racemosa Gilbert Muth 1965-8-3 159 Siskiyou Marble Valley and slopes Marble Valley; , Marble Mountain Wilderness Area 1792 Comment
  RSA211402  Pedicularis racemosa William J. Ferlatte 1966-8-19 443 Siskiyou Kidd Creek Trail. Trinity Alps. 1890 Comment
  CHSC118024  Pedicularis racemosa var. racemosa K. M Meyer; A. Townesmith 2007-7-31 181 Siskiyou Shasta Trinity National Forest. 8.1 mi. on NF Rd. 17, off US Hwy. 97. Coniferous forest, steep rocky slope, small waterfall. 1607 Comment
  RSA425321  Pedicularis semibarbata Bonnie C. Templeton 1964-6-10 10070 Siskiyou Moutain slope of Mt. Shasta.Green Valley Lake, San Bernardino Mountains. Comment
  CAS-BOT-BC67671  Pellaea breweri John Thomas Howell 1939-8-2 14874 Siskiyou Marble Mts. - Spirit Lake Comment
  UC185226  Pellaea breweri Geo. D. Butler 1910-7-9 1718 Siskiyou Marble Mt 1676 Comment
  JEPS84174  Pellaea breweri L. R. Heckard with S. D'Alcamo, J. Hickman, S. Winchester 1986-7-16 6423 Siskiyou ca. 5 mi. n. town of Seiad Valley (cirque at head of Hell's Canyon, e. slope Kangaroo Mt.); Kangaroo Mt. 1828 Comment
  UCD137694  Pellaea breweri John M. Tucker 1963-8-18 3760 Siskiyou Marble Mountain Wilderness Area, Black Marble Mountain. 2133 Comment
  RSA425613  Penstemon azureus Louis C. Wheeler 1934-7-3 2850 Siskiyou Head of Soda Crk, Sterling Mt, Siskiyou Mtns. 1768 Comment
  SEINET3160254  Penstemon confertus G. D. Butler 1910-7-10 1739 Siskiyou Shackleford Creek upper Camphill Lake 1372 Comment
  HSC86542  Penstemon davidsonii D. K. Imper Jun 1987 Siskiyou 8 mi. E of town of Mt. Shasta, slope of Red Butte 2134 Comment
  UC70415  Penstemon davidsonii var. davidsonii Milo S. Baker Aug 1894 Siskiyou Medicine Lake Comment
  CHSC118649  Penstemon deustus Richard R. Halse 2016-5-29 9720 Siskiyou Along Hilt Road by its junction with Interstate Hwy. 5, east of Hilt. 939 Comment
  HSC40234  Penstemon deustus J. P. Smith 1976-5-4 8663 Siskiyou E boundary of Klamath National Forest along Hwy. 96, above Klamath River 610 Comment
  SBBG16532  Penstemon deustus D. Myrick 1961-6-19 262 Siskiyou rd to Mt Shasta Ski Bowl 1371 Comment
  SEINET13763668 Image available Penstemon deustus R. R. Halse 2016-5-29 9720 Siskiyou Along Hilt Road, E of Hilt by its intersection with I-5. 939 Comment
  HSC20981  Penstemon deustus R. C. Wunner 1965-6-7 115 Siskiyou Lava Beds National Monument, 0.2 mi. from Indian Well Camp Ground 1387 Comment
  SFV5160  Penstemon deustus var. suffrutescens B. C. Templeton 1960-6-21 8527 Siskiyou Between the agricultural Experiment Station and the California state line._x000B_Grassy hillside. Comment
  CHSC30239  Penstemon gracilentus M. S. Taylor; J. Prouty, E. Heinitz 1980-8-18 3262 Siskiyou Little Mt. Hoffman, n side. 2225 Comment
  UC1483501  Penstemon gracilentus J. Sawyer and J. Cole 1980-7-20 3737 Siskiyou two mi n Little Glass Mtn. (on road connecting F.S.Road 45N05 with F.S. Road 47N75); Klamath National Forest, Medicine Lake Quad. 1874 Comment
  UC1561057  Penstemon gracilentus Dean Wm. Taylor with Glenn L. Clifton, Rexford Palmer 1987-6-7 9023 Siskiyou near Yellowjacket Ice Cave (Medicine Lake Highland); Upper Modoc Plateau, Medicine Lake highland, nr Yellowjacket 1798 Comment
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Jun 8 2008
  NY600698  Penstemon gracilentus K. A. Vincent 1987-6-28 4442 Siskiyou Cascade Range, Mt. Shasta; logged area in scrub flat on lava flow between Mt. Shasta and the Whaleback along Andesite - Military Pass Road, ca. 4.6 miles southeast of junction US 97 located 14.4 miles northeast of junction US 97 and I-5 Business Loop in 1554.5 Comment
  UCD124183  Penstemon gracilentus Dean Wm. Taylor 1975-8-14 5357 Siskiyou Mount Shasta; Shasta Ski area and Green Butte. 2590 Comment
  JEPS101478  Penstemon heterodoxus var. shastensis Dean Wm. Taylor with Glenn Clifton 1987-6-24 9059 Siskiyou N end of White Horse Mountains, Tuft Creek, near BM 4374 1333 Comment
  NY601603  Penstemon heterodoxus var. shastensis W. L. Jepson 1940-7-3 20106 Siskiyou 5 miles southeast of Bartle, Big Bear Flat 1219.2 Comment
  UC642560  Penstemon heterodoxus var. shastensis W. Bridge Cooke 1939-7-13 13670 Siskiyou Panther Creek Meadows Mount Shasta, Panther Creek Meadows Comment
  UCD124274  Penstemon heterodoxus var. shastensis Jack Major 1961-7-14 639 Siskiyou Wagon Camp Meadow, Mount Shasta. 1737 Comment
  CDA41883  Penstemon humilis subsp. humilis Vernon H. Oswald & Lowell Ahart 1998-6-11 9190 Siskiyou Shasta National Forest plantation on the west side of Hwy. 97 2.2 miles northeast of Lake Shastina-Big Springs Rd., northeast of Weed. Comment
  SJSU6070  Penstemon humilis var. humilis R. W. Trivelpiece 1971-7-5 44 Siskiyou Little Shasta Cr c. 8 mi E of shasta Valley 1219 Comment
  NY603693  Penstemon humilis var. humilis K. A. Vincent 1987-6-28 4441 Siskiyou Cascade Range, Mt. Shasta; between Mt. Shasta and the Whaleback, along Andesite - Military Pass Road, ca. 4.6 miles southeast of jct. US 97 located 14.4 miles northeast of jct. US 97 and I-5 Business Loop in Weed. 1554.5 Comment
  SBBG7166  Penstemon laetus H. and M. Dearing 1939-6-3 3537 Siskiyou near Scott Bar, Scott River Comment
  HSC97132  Penstemon laetus subsp. sagittatus L. Ahart, John Dittes 2005-6-9 12029 Siskiyou Hill, S of rock fence, 100 yds. NE of where cattle water in Shasta River, 3/5 mi. S of Hwy. 99/97 Cutoff, 2.5 mi. ESE of Grenada 775 Comment
  JEPS11378  Penstemon laetus var. sagittatus W. L. Jepson 1940-6-30 20066 Siskiyou 6 mi e McCloud (Fowlers Camp, Forest Service Campground on McCloud River); McCloud River, e of McCloud, Fowlers Camp 944 Comment
  POM252934  Penstemon laetus var. sagittatus A. A. Heller 1938-7-12 15256 Siskiyou Along HS Hwy 97, 16 miles northeast of Weed. Comment
  POM257846  Penstemon laetus var. sagittatus C. Leo Hitchcock, J. S. Martin 1939-7-6 5210 Siskiyou on Takilma-Happy Camp Road 1677 Comment
  RSA305802  Penstemon laetus var. sagittatus James R. Shevock 1972-7-26 2229 Siskiyou Fork of the Salmon and Klamath R. 610 Comment
  HSC700  Penstemon newberryi subsp. berryi William J. Ferlatte 1967-8-23 1100 Siskiyou Head of Kidd Creek 2134 Comment
  CAS-BOT-BC239332  Penstemon newberryi var. berryi L. E. Smith 1913-1-1 s.n. Siskiyou Mt. Shasta Comment
  JEPS30716  Penstemon newberryi var. newberryi Lee W. Lenz 1961-6-20 24355 Siskiyou road to Panther Flat; Mount Shasta 1584 Comment
  UC1408780  Penstemon newberryi var. newberryi Frederick W. Oettinger 1968-9-6 747 Siskiyou Tom's Lake region Salmon Mountains, Marble Mountain Wilderness Area (Bear Meadow, Marble Mountain Wilderness Area, High Lake Basins in vicinity of English Peak, Salmon Mountains, western Siskiyou County) 2171 Comment
  UC1585379  Penstemon newberryi var. newberryi R. Raiche 1989-9-7 90321 Siskiyou ca 6 km beyond McBride Spring (Mt. Shasta); , beyond McBride Spring 1385 Comment
  UCD77907  Penstemon newberryi var. newberryi Robert E. Preston 2001-6-23 1589 Siskiyou Klamath National Forest, n slope of Rainbow Mtn, T42N R1W nw 1/4 of ne 1/4 Section 23 1950 Comment
  UCSB27383  Penstemon newberryi var. newberryi Wilken, Dieter 1969-7-26 Siskiyou Above summit of Mt. Shasta Ski Bowl Road; south slope of Mt. Shasta 3200 Comment
  CAS-BOT-BC482443  Penstemon parvulus Dana York 2011-8-12 3048 Siskiyou Marble Mountain Wilderness, Klamath National Forest, E-facing slope of Marble Mountain 2055 Comment
  CAS-BOT-BC94464  Penstemon parvulus R. C. Wenk 2005-7-19 322 Siskiyou Along Pacific Crest Trail, 2 miles S of parking lot at top of pass on National Forest Road 17, going towards Mt. Eddy 2164 Comment
  NY629979  Penstemon parvulus D. D. Keck 1938-8-6 4820 Siskiyou At Del Norte Co. line, Poker Flat, summit of Siskiyou Mountains, 4 miles south of Oregon line, on road from Waldo to Happy Camp. 1554.5 Comment
  HSC29301  Penstemon parvulus Frederick W. Oettinger 1968-8-16 539 Siskiyou Marble Mtn. Wilderness Area, W side of Red Hill near Hancock Lake 2058 Comment
  HSC21  Penstemon procerus var. brachyanthus William J. Ferlatte 1966-6-22 81 Siskiyou Josephine Lake Basin 1677 Comment
  NY638946  Penstemon procerus var. brachyanthus I. L. Wiggins 1955-7-27 13526 Siskiyou Caribou Lake, Salmon-Trinity Alps Primitive Area 2042.2 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
  SBBG21883  Penstemon roezlii D. Myrick 1964-7-25 948 Siskiyou Shasta Ski Bowl Hwy, Mt Shasta 1524 Comment
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Apr 15 2016
  SBBG28893  Penstemon roezlii G. D. Butler 1910-6-9 1579 Siskiyou foothills of Goosenest Mtns 1386 Comment
  UC335599  Penstemon roezlii J. G. Lemmon Sept. 1879 Siskiyou Mt. Shasta Comment
  HSC75126  Penstemon roezlii J. P. Smith, Thomas W. Nelson 1979-6-16 10145 Siskiyou Klamath National Forest, along FS Rd. 40N03, 0.3 mi. from its junction with Hwy. 3, 2.72 mi. from county line 1463 Comment
  RSA120824  Penstemon roezlii S. S. Tillett 1956-7-9 666 Siskiyou On north sloping ridge between Little and Big Carmen Lakes, north side of Scott Mtn., Siskiyou-Trinity County line, ca. 8 miles SE of Callahan. 1921 Comment
  JEPS19693  Penstemon rydbergii var. oreocharis Rimo Bacigalupi with S. Galen Smith and Geo. Bacigalupi Jr. 1957-6-27 5977 Siskiyou 20 mi ne Weed (alongside causeway traversing Grass Lake [U S Highway 97] on route between Klamath Lake and Weed); Grass Lake, btw Klamath Lake and Weed, ne of Week 1544 Comment
  CAS-BOT-BC27142  Penstemon speciosus Amos Arthur Heller 1905-6-8 7991 Siskiyou Yreka Comment
  RSA79871  Penstemon speciosus F. W. Peirson 1923-7-19 3841 Siskiyou Near Bray. Comment
  HSC69081  Perideridia howellii Maralyn A. Renner 1980-8-4 2220 Siskiyou Flint Valley 1390 Comment
  JEPS14096  Perideridia oregana Ruby Van Deventer 1938-7-31 295 Siskiyou trail to Twin Valley 2 mi s Poker Flat (Siskiyou-Del Norte Co. line); Siskiyou Mountains 1280 Comment
  UC166610  Perideridia oregana Geo. D. Butler Jun 10 1909-Jun 20 1909 925 Siskiyou near Yreka Comment
  SEINET7929362  Perideridia oregana L. Constance, T. I. Chuang; Fei-Mei Chuang; M. Sousa S. 1966-6-15 3767 Siskiyou U.S. Highway 99W, 1.5 miles north of Edgewood turnoff.; 0 91 Comment
  RSA237647  Perideridia parishii subsp. latifolia Frederick W. Oettinger 1967-8-20 286 Siskiyou Just below Tom Taylor Cabin spring and in bordering wet meadows. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2050 Comment
  CAS-BOT-BC423349  Peritoma platycarpa Geo. D. Butler 1909-6-6 899 Siskiyou Shasta Valley near Montague Comment
  HSC64425  Persicaria amphibia J. P. Smith, Steve Selva 1970-7-16 4386 Siskiyou Along Klamath River, 2 mi. W of Seiad Creek 518 Comment
  SEINET5537080  Phacelia corymbosa G. D. Butler 1910-5-4 4280 Siskiyou Dry hill near Yreka Comment
  HSC65663  Phacelia egena J. P. Smith, Steve Selva 1970-6-15 Siskiyou 1 mi. W of junction of Hwy. 3 and Rd. 8 leading to Sugar Creek 1159 Comment
  JEPS1963  Phacelia egena Geo. D. Butler 1909-5-23 735 Siskiyou near Yreka Comment
  JEPS2089  Phacelia heterophylla subsp. virgata Geo. D. Butler 1908-8-8 408 Siskiyou summit s Marble Mtn. 1828 Comment
  UC1228343  Phacelia heterophylla subsp. virgata L. R. Heckard 1956-8-7 831 Siskiyou along US Hwy 97 Deer Mt., Deer Mt. Lodge (w flank of mt.) 1432 Comment
  HSC61875  Phacelia leonis Ruby Van Deventer 1960-7-13 Siskiyou Poker Flat 1585 Comment
  JEPS91088  Phacelia leonis Dean W. Taylor 1988-7-9 9935 Siskiyou North Coast Ranges, Gumboot Lake, headwaters South Fork Sacramento River Gumboot Lake; North Coast Ranges, Gumboot Lake 1950 Comment
  UC572209  Phacelia linearis M. H. Mitchell 1936-5-14 Siskiyou Captain Jack's Stronghold Modoc Lava Beds Nat'l Monument, Dorris Quadrangle 1554 Comment
  UC1950197  Phacelia pringlei Barbara Ertter with Julie Kierstead and Jim Nelson 1990-7-15 9371 Siskiyou ca 1 mi E of Toad Lake at head of Middle Fk Sacramento River, ca 8 airmiles W of Mt Shasta City Comment
  HSC57390  Phacelia procera G. L. Clifton, Griswold 1979-7-26 10124 Siskiyou Near Salmon Mtn., close to the town of Forks of Salmon 2104 Comment
  JEPS1091  Phacelia procera Ruby Van Deventer 1938-7-31 203 Siskiyou Poker Flat w. Siskiyou Mts. 1584 Comment
  JEPS101029  Phacelia thermalis Dean Wm. Taylor with Glenn Clifton 1990-6-11 10871 Siskiyou Adobe Flat Reservoir, ca. 5 miles N of Timbered Crater, 1075 Comment
  UC922623  Philadelphus lewisii Annie M. Alexander and Louise Kellogg 1948-9-9 5613 Siskiyou on trail to Taylor Lake Siskiyou Mountains Comment
  SJSU2560  Phlox adsurgens H. L. Buckalew 1962-7-7 Siskiyou junction of Indian Cr & W Branch Indian Cr, Siskiyou Mts Comment
  UC1736666  Phlox adsurgens Dean W. Taylor 1972-7-3 1590 Siskiyou Cook and Green Pass 1371 Comment
  UCD118237  Phlox adsurgens G. L. Stebbins Jr.; A. A. Beetle 1942-6-1 3268 Siskiyou 15 miles north of Happy Camp, above Indian Creek. 1219 Comment
  HSC44975  Phlox diffusa J. O. Sawyer, E. Cope 1977-6-20 2969 Siskiyou Along W slopes of Bear Mtn. 1829 Comment
  HSC45810  Phlox diffusa J. P. Smith, J. O. Sawyer 1972-5-27 5350 Siskiyou Hwy. 3 near the Scott Mtn. Campground on divide between Scott and Trinity Rivers 1601 Comment
  JEPS84256  Phlox diffusa L. R. Heckard with S. D'Alcamo, J. Hickman 1986-7-16 6413 Siskiyou ca 5 mi n town of Seiad Valley (cirque at head of Hell's Canyon, e slope of Kangaroo Mountain); Kangaroo Mountain, Hell's Canyon 1828 Comment
  CAS-BOT-BC294731  Phlox diffusa James Vale 1979-6-4 s.n. Siskiyou Sierraville Comment
  HSC17154  Phlox diffusa Jerry Parker 1968-10-6 130 Siskiyou Little Duck Lake Trail, Salmon Mtns. 1677 Comment
  HSC44995  Phlox diffusa J. O. Sawyer 1978-6-16 3212 Siskiyou Marble Mtn. Wilderness Area, slopes of Marble Mtn. 1829 Comment
  JEPS124892 Image available Phlox diffusa Himayat H. Naqvi 1965-7-14 113 Siskiyou 100 feet north of ski bowl building, Mount Shasta. Comment
  UCR37836  Phlox gracilis L. P. Janeway 1983-7-3 368 Siskiyou Ridgetop NW of Poker Flat. (Siskiyou crest) 1585 Comment
  CDA40292  Phlox gracilis 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
  CAS-BOT-BC232824  Phlox hirsuta L. E. Smith 1913-4-20 639 Siskiyou Yreka Comment
  UC1186127  Phlox speciosa subsp. occidentalis H. L. Mason 1931-5-9 5869 Siskiyou 3 mi s Weed Comment
  UC585233  Phlox speciosa subsp. occidentalis E. B. Babcock, G. L. Stebbins Jr. 1936-6-11 1915 Siskiyou about 7 mi sw Yreka (Forest House Mt., s of highway from Yreka to Fort Jones); Forest House Mt. 1371 Comment
  UC375256  Phoradendron Geo. D. Butler 1908-8-16 275 Siskiyou hills near Yreka Comment
  CAS-BOT-BC135023  Phoradendron bolleanum C. F. Baker 1903-7-7 3542 Siskiyou Hornbrook Comment
  UCR143103  Phoradendron densum L. C. Wheeler 1934-6-26 2789 Siskiyou Siskiyou Mtns., Camp Lowe, Klamath River 765 Comment
  UC618793  Phoradendron libocedri W. Bridge Cooke 1938-8-19 11520 Siskiyou Mt. Shasta, Bear Springs Comment
  CAS-BOT-BC56484  Phyllodoce empetriformis G. J. Muth 1969-8-10 1324 Siskiyou Ridge w. of Boulder Peak 2286 Comment
  HSC19153  Phyllodoce empetriformis J. O. Sawyer 1969-7-2 995 Siskiyou Shore of Paynes Lake 1982 Comment
  JEPS40854  Phyllodoce empetriformis Paul C. Hutchison 1962-8-2 941 Siskiyou Mount Shasta, between Panther Meadow and top of ski lift Mount Shasta 2621 Comment
  JEPS82486  Phyllodoce empetriformis Gilbert Muth 1965-8-8 194 Siskiyou Black Mountain, Marble Mountain Wilderness Area Black Mountain; , Marble Mountain Wilderness Area 2011 Comment
  RSA237315  Phyllodoce empetriformis Frederick W. Oettinger 1967-7-8 164 Siskiyou Near Big Blue Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2104 Comment
  SD219029  Phyllodoce empetriformis R. F. Thorne, Frederick W. Oettinger 1969-8-4 63364 Siskiyou Klamath National Forest, Salmon Mountains, Marble Mountain Wilderness Area, high lake basins in the vicinity of English Peak. 2097 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
  UC142828  Phyllodoce empetriformis Dr. E. B. Copeland 1903-8-18 3899 Siskiyou Mount Eddy; Pacific Coast, Mount Eddy 2590 Comment
  UC917232  Phyllodoce empetriformis R. Tofsrud and J. M. Tucker 1948-8-2 1767 Siskiyou s slope of Mount Shasta, Panther Meadows Panther Meadows; Mount Shasta, Panther Meadows 2407 Comment
  CAS-BOT-BC140603  Physocarpus capitatus Wm. Bridge Cooke 1940-7-12 15315 Siskiyou In the Box Canyon of the Sacramento near Mount Shasta City Comment
  CAS-BOT-BC78174  Picea breweriana Edna Kelsey 1961-8-1 s.n. Siskiyou Marble Mts., [Cuddyhi] Cuddihy Lake Comment
  HSC4814  Picea breweriana J. O. Sawyer 1968-9-28 725 Siskiyou Along ridge NE of Orleans Mtn. 1677 Comment
  JEPS83900  Picea breweriana Stephen K. Langer with Charles S. Rand 1988-6-21 Siskiyou 6 mi e Cook and Green Pass (on nw slope of White Mountain); White Mountain Comment
  UC1349380  Picea breweriana H. A. Thomas 1943-7-7 8693 Siskiyou 1645 Comment
  UCD134306  Picea breweriana John M. Tucker 1963-7-5 3698 Siskiyou Blake's Fork of South Russian Creek (a tributary to Salmon River), ca. 7 miles (airline) east of Sawyer's Bar, Salmon Mountains. 1615 Comment
  NY30481  Picea breweriana H. A. Thomas 1943-7-7 8693 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
  RSA0059701  Picea breweriana J. T. Howell 1937-7-24 13413 Siskiyou Caribou Basin, Salmon-Trinity Alps. 1982 Comment
  RSA593941  Picea breweriana L. C. Wheeler 1963-9-3 8347 Siskiyou Siskiyou Mountains. Cyclone Gap chrome mine. Comment
  HSC4809  Picea engelmannii J. O. Sawyer 1968-6-25 349 Siskiyou Along Horse Range Creek 1646 Comment
  UC1001952  Picea engelmannii Mrs. B. M. Berry 1954-10-7 2 Siskiyou in creek bed just below Sugar Creek Bridge (High Road between French Creek and Scott River, near Callahan); Salmon Mountains, Sugar Creek 1828 Comment
  UC1313050  Picea engelmannii J. M. Tucker 1963-7-5 3707 Siskiyou ca 7 mi (airline) e Siskiyou County <border> (creek is tributary of Salmon River); lower Blake's Fork of South Russian Creek 1524 Comment
  UC665721  Picea engelmannii L. E. Berriman 1940-8-30 Siskiyou Sugar Creek (tributary of Scott River) North Coast Ranges, Mount Diablo Meridian, Sugar Creek 1432 Comment
  CAS-BOT-BC73396  Pinus albicaulis John Thomas Howell 1937-7-24 13436 Siskiyou Caribou Basin, Salmon-Trinity Alps 2286 Comment
  CAS-BOT-BC73397  Pinus albicaulis Peter H. Raven 1956-9-4 10416 Siskiyou On the summit of Mt. Eddy. 2758 Comment
  CAS-BOT-BC73385  Pinus albicaulis G. A. Coleman 1901-8-16 s.n. Siskiyou Mt. Shasta, on rocky ridge near head of Paulters Creek. 2590 Comment
  RSA29903  Pinus attenuata L. C. Wheeler 1935-4-14 3418 Siskiyou Siskiyou Mountains: West Fork Seiad Creek. (Mt. Diablo Mer.) 1159 Comment
  UC400301  Pinus attenuata Mrs. K. J. Stirring 1904-1 Siskiyou Etna Mills Comment
  HSC4807  Pinus balfouriana J. O. Sawyer 1968-7-9 406 Siskiyou Ridge between Sugar Creek and Duck Lake Creek drainages 2195 Comment
  JEPS82668  Pinus balfouriana Steve Edwards 1984-6-7 Siskiyou South China Mountain 2438 Comment
  UC1362102  Pinus balfouriana J. M. Tucker and L. K. Mann 1963-8-18 3770 Siskiyou top of saddle between Marble Mountain and southwest ridge of Black Mountain; Marble Mountain Wilderness 2103 Comment
  CAS-BOT-BC78713  Pinus jeffreyi Gilbert Muth 1966-7-27 457 Siskiyou Marble Gap, Marble Mts. 2042 Comment
  UC1313007  Pinus jeffreyi J. M. Tucker 1963-8-18 3768 Siskiyou just above the saddle between Marble sw ridge of Black Mountain; Marble Mountain Wilderness Area 2103 Comment
  HSC44632  Pinus monticola Jerome Peterson 1978-5-20 19 Siskiyou Haypress Meadow, Bulk Collection # 133 Comment
  HSC69222  Pinus monticola Maralyn A. Renner 1980-8-31 2622 Siskiyou Twin Valley. 1494 Comment
  CAS-BOT-BC72869  Pinus ponderosa Doris K. Kildale 1929-5-26 9188 Siskiyou Hawkins Bar on Salmon River 609 Comment
  CAS-BOT-BC72870  Pinus ponderosa Doris K. Kildale 1928-7-3 5435 Siskiyou Forks of Salmon Comment
  CAS-BOT-BC458145  Pityopus californicus Gilbert Muth 1966-7-29 465 Siskiyou Marble Mts.,: Marble Valley, by waterfall 1828 Comment
  CDA40677  Plagiobothrys greenei E. Hale 1984-5-8 s.n. Siskiyou Along Deer Meadow Road, near Yreka. 0 Comment
  RSA12578  Plagiobothrys hispidus C. B. Wolf 1934-7-6 6008 Siskiyou 5.4 miles from Mt. Shasta City on Wagon Camp Rd, SW slope of Mt. Shasta 1220 Comment
  UC163849  Plagiobothrys reticulatus Geo. D. Butler 1910-5-29 1424 Siskiyou near Yreka Comment
  POM182433  Plagiobothrys tenellus Geo. D. Butler 1910-5-6 1295 Siskiyou Yreka. Comment
  SJSU8038  Plagiobothrys tener C. L. Kline 1965-7-14 204 Siskiyou 10 mi E of McCloud 1280 Comment
  CDA6617  Plantago major T. C. Fuller 1962-8-3 9509 Siskiyou Siskiyou Mountains: Gravel bar of Beaver Creek at the mouth of Raggedass Gulch, 5 miles north of the Klamath River. 0 Comment
  HSC67923  Plantago major J. P. Smith, Steve Selva 1970-7-27 4515 Siskiyou Gumboot Lake 1768 Comment
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Jun 7 2012
  SBBG30577  Platanthera dilatata var. leucostachys D. Myrick 1968-6-29 2058 Siskiyou Big Flat, head of Coffee Crk, Trinity Alps 1524 Comment
  HSC485  Platanthera dilatata var. leucostachys William J. Ferlatte 1966-6-23 141 Siskiyou Big Flat, between campground and S Fork of the Salmon River 1524 Comment
  UC144294  Platanthera leucostachys A. A. Heller 1905-6-5 7979 Siskiyou between Shasta Retreat and Shasta Springs Comment
  UC61188  Platanthera leucostachys W. A. Setchell, C. C. Dobie 1902-7-17 Siskiyou Sisson Mount Shasta Comment
  POM208201  Platanthera leucostachys Louis C. Wheeler 1934-6-18 2725 Siskiyou Cottonwood Creek, Siskiyou Mts. Mt. Diablo Mer. 1311 Comment
  RSA78325  Platanthera sparsiflora Philip A. Munz 1952-7-1 17860 Siskiyou Baldy Mtn road, NW of Happy Camp, Siskiyou Mts. 1220 Comment
  CAS-BOT-BC254616  Poa X limosa David D. Keck 1949-7-19 6343 Siskiyou 2 miles S of Grenada, long RR right-of-way 777 Comment
  CAS-BOT-BC254618  Poa X limosa John Thomas Howell; T. C. Fuller; G. D. Barbe 1980-4-28 53382 Siskiyou 2.5 miles S of Grenada, Shasta Valley 762 Comment
  CAS-BOT-BC244384  Poa annua Lewis S. Rose 1945-6-22 45177 Siskiyou Beaver Creek and Klamath River 548 Comment
  CAS-BOT-BC254784  Poa bolanderi A. A. Heller 1914-8-28 11736 Siskiyou On the E side of Mount Eddy 2438 Comment
  HSC40238  Poa bulbosa J. P. Smith 1976-5-5 8675 Siskiyou Road from Etna to Sawyer's Bar. 732 Comment
  JEPS105022  Poa cusickii subsp. epilis Dean W. Taylor 1996-7-26 15838 B Siskiyou Scott Mountains; Crater Lake, in cirque above upper lake (about 10 air mi W of Weed; Klamath National Forest; Klamath region 2316 Comment
  HSC37468  Poa pratensis A. M. Montalvo, J. D. Ackerman 1975-7-19 586 Siskiyou 3 mi. E of McCloud off Hwy. 89 on F.S. Rd. 39N13 1067 Comment
  CHSC86460  Poa pratensis subsp. pratensis Jenny Marr 1993-7-1 77 Siskiyou Butte Valley Wildlife Area, +/- 7 air miles NW of the town of MacDoel. Meadow NE of Meiss Lake. 1349 Comment
  SJSU11320  Poa pringlei S. H. Casey 1981-7-4 1212 Siskiyou Cook & Green Pass, Siskiyou Mts c. 9 mi N of Seiad Valley, northwestern Siskiyou County. 1767 Comment
  UC1265427  Poa pringlei Frederick W. Oettinger and R. F. Thorne 1969-8-5 1218 Siskiyou Crapo View Gap above English Lake (vicinity of English Peak); Salmon Mts, western Siskiyou Co, High Lake Basins, Marble Mt 1828 Comment
  SEINET10659282  Poa pringlei William B. Cooke 1941-9-10 Cooke 16293 Siskiyou Occasional among boulders on ridges above Horse Camp, Mt. Shasta. Comment
  UCD91986  Poa rhizomata G. L. Stebbins Jr.; A. A. Beetle 1942-5-31 3263 Siskiyou along Klamath River, 13 miles east of Hamburg. Comment
  POM215748  Poa secunda L. C. Wheeler 1934-8-9 3076 Siskiyou Head of Jaynes Canyon. Siskiyou Mts. (Mt. Diablo Mer.) 1921 Comment
  UCD91676  Poa secunda A. A. Heller 1921-7-17 13579 Siskiyou Toward the head of Wagon Creek, Mt. Eddy. 2286 Comment
  JEPS101878  Poa secunda subsp. juncifolia Dean W. Taylor 1987-6-24 9060 Siskiyou Tom Young Flat 1280 Comment
  CAS-BOT-BC243222  Poa secunda subsp. secunda Roxana S. Ferris; Laura Lorraine 1948-6-12 11719 Siskiyou Schoolhouse Hill, Plowman's Valley [Noyes Valley], E fork of Scott River Comment
  CHSC98796  Poa secunda subsp. secunda J. K. Nelson; Rhonda Posey, Mary Ellen Colberg, Twyla Miller 2006-5-19 2006 -019 Siskiyou North side of Mt. Shasta, south of Hwy 97; Hotlum Fire area burned in February 2006. 1090 Comment
  HSC27167  Poa secunda subsp. secunda J. P. Smith, J. O. Sawyer 1972-5-7 5285 Siskiyou 2.3 mi. W of Lava Beds National Monument, on road to Mtn. Dome. 1220 Comment
  HSC31102  Poa secunda subsp. secunda Frederick W. Oettinger 1969-8-3 1149 Siskiyou Salmon Mountains, NW of English Lake. 1951 Comment
  HSC68450  Poa secunda subsp. secunda Maralyn A. Renner 1980-6-26 1256 Siskiyou SE edge of Flint Valley. 1390 Comment
  UC196959  Poa secunda subsp. secunda Geo. D. Butler 1909-6-13 831 Siskiyou Moffitt Creek Comment
  HSC92149  Poa wheeleri Jennifer Whipple 1976-6-30 1194 Siskiyou SE slope of Mt. Eddy, draining into the N Fork of the Sacramento River 2226 Comment
  CAS-BOT-BC244326  Podagrostis humilis John Thomas Howell 1939-8-3 15001 Siskiyou Spirit Lake, Marble Mountains 1828 Comment
  JEPS100991  Pogogyne zizyphoroides Dean Wm. Taylor with Glenn Clifton 1990-6-11 10870 Siskiyou 2.5 miles NE Abobe Flat Reservoir (ca. 5 miles N of Timbered Creter), just west of right of way of Pacific Gas Pipeline. 1341 Comment
  RSA166772  Polemonium californicum H. Dearing, M. Dearing 1939-7-2 3805 Siskiyou Salmon Mt. 1677 Comment
  CAS-BOT-BC313714  Polemonium eddyense R. Stubbs 2010-7-15 015 Siskiyou Mt Eddy in the Klamath Mts. On trail leading to summit. First plants on S aspect along trail. Plants also on summit 2749 Comment
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Jul 6 2020
  UCD37089  Polygala californica Beecher Crampton 1956-8-21 3846 Siskiyou canyon of Sacramento River, just above junction of river's north fork with middle and south forks. 1066 Comment
  UCD99839  Polygonum aviculare subsp. neglectum A. A. Heller 1915-8-24 12207 Siskiyou Metcalf's ranch, northeast base of Mt. Eddy. 1188 Comment
  JEPS51267  Polygonum douglasii Willis L. Jepson Jul 24 1894-Aug 10 1894 Siskiyou Mount Muir Region of the Upper Sacramento (= Black Butte near Sisson) Comment
  UC1950092  Polygonum douglasii Barbara Ertter 1990-7-14 9310 Siskiyou E side of Mt Eddy ca 4 airmiles due W of Mt Shasta City, at streamlet near end of FR 41N53 ca 1 mi N of Morgan Meadows, steep E-facing serpentine hillside Comment
  CAS-BOT-BC414595  Polygonum douglasii Louis C. Wheeler 1934-7-3 2859 Siskiyou Klamath National Forest. Soda Creek 1676 Comment
  CAS-BOT-BC414598  Polygonum douglasii Louis C. Wheeler 1934-7-3 2860 Siskiyou Klamath National Forest. Soda Creek 1676 Comment
  UC163820  Polygonum douglasii subsp. douglasii Geo. D. Butler 1908-8-3 185 Siskiyou Log Lake Shackleford Creek Comment
  UC1045311  Polygonum lapathifolium W. Bridge Cooke 1940-7-12 15323 Siskiyou along Castle Lake rd near Mount Shasta City (near irrigation ditch) 1066 Comment
  JEPS24027  Polygonum minimum Rimo Bacigalupi with Drs. Reino and Aloha Alava 1958-9-3 6890 Siskiyou Poker Flat Siskiyou Mountains 1536 Comment
  RSA237766  Polygonum minimum Frederick W. Oettinger 1968-9-2 678 Siskiyou West rocky bank, Horse Range Lake. Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountains Wilderness Area. 1860 Comment
  UC1312939  Polygonum minimum J. M. Tucker and L. K. Mann 1963-8-17 3743 Siskiyou Marble Mountain Wilderness Area; along trail from Red Rock Valley to top of ridge to s 1859 Comment
  UC1735911  Polygonum polygaloides subsp. confertiflorum Dean W. Taylor 1990-6-12 10872 Siskiyou Adobe Flat Reservoir, ca. 5 miles N of Timbered Crater, 1075 Comment
  UC1191242  Polygonum polygaloides subsp. kelloggii Herbert L. Mason 1948-7-17 13599 Siskiyou Eastern Grass Lake Comment
  CAS-BOT-BC420952  Polygonum sawatchense subsp. sawatchense Marion Ownbey; S. J. Preece, Jr. 1952-6-25 s.n. Siskiyou Ridge road to Deadwood Lookout, mountains west of Yreka Comment
  JEPS50591  Polygonum shastense W. L. Jepson 1894-8-4 14806 Siskiyou Snow Line Mt. Shasta Comment
  HSC17500  Polygonum spergulariiforme Geo. D. Butler 1908-8-29 189 Siskiyou Comment
  RSA44882  Polygonum spergulariiforme J. C. Roos, L. Roos 1948-9-1 3941 Siskiyou Fort Jones Comment
  SBBG29117  Polygonum spergulariiforme L. C. Wheeler 1934-9-26 3303 Siskiyou Siskiyou Mtns; R8W, T$&N, S27 1005 Comment
  CAS-BOT-BC237393  Polypogon monspeliensis Carl B. Wolf 1927-8-26 1083 Siskiyou On the Klamath River, 14 miles above Happy Camp Comment
  HSC27778  Polystichum imbricans J. P. Smith, J. O. Sawyer 1972-9-13 5783 Siskiyou 0.5 mi. W of Cook and Green Pass on rd. to Lily Pad Lake. Comment
  RSA239011  Polystichum imbricans Frederick W. Oettinger 1966-7-25 37 Siskiyou Along Timber Gulch stream bank, Klamath Natinal Forest, Colville. Comment
  CAS-BOT-BC76728  Polystichum imbricans subsp. imbricans J. H. Thomas 1949-6-16 953 A Siskiyou Klamath National Forest - 1/4 mile north of Beaver Creek Public Camp along Beaver Creek; 5 miles north of junction Comment
  HSC58845  Polystichum imbricans subsp. imbricans Marvin Butler 1971-7-20 169 Siskiyou Near Twin Lakes, close to the town of Cave Junction 1585 Comment
  HSC29354  Polystichum imbricans subsp. imbricans Frederick W. Oettinger 1969-9-3 1616 Siskiyou Just below Hancock Lake trail due NE of Tom's Lake 2119 Comment
  HSC92661  Polystichum lemmonii Jennifer Whipple 1976-9-3 1783 Siskiyou W facing slope of the ridge between Durney Lake and Little Crater Lake 2195 Comment
  HSC76642  Polystichum lemmonii K. T. Stillman 1976-6-26 115 Siskiyou Marble Mtn. Wilderness Area 2012 Comment
  HSC79126  Polystichum lemmonii C. J. Thomas 1983-10-1 76 Siskiyou Scott Mtn. Summit, 0.5 to 0.75 mi. above Big Carmen Lake 1756 Comment
  RSA85033  Polystichum lemmonii P. A. Munz 1934-8-14 3137 Siskiyou North side of White mountains 1768 Comment
  JEPS109823  Polystichum lonchitis Dean W. Taylor 2005-7-12 19386 Siskiyou Dry Creek Peak, cirque on north side of the peak (ca. 12 air miles NE of summit of Mt. Shasta) 1950 Comment
  SEINET3874527 Image available Polystichum munitum A. C. Smith 1970-6-14 3875 Siskiyou Road to Steinacher Creek near Somes Bar.; 0 Comment
  POM182463  Polystichum munitum Geo D. Butler 1900-8-24 245 Siskiyou Russian Creek. Comment
  UC1597991  Polystichum munitum Alan R. Smith with Christopher Richard, C. Don MacNeill, and Bernard Stoffel 1993-5-9 2549 Siskiyou ca. 1/2 mi sw Three Sisters (Little Fern Cave, ca. 2 mi along rail to Three Sisters, n side of and immediately adjacent to trail); Lava Beds Nat'l Monument 1341 Comment
  JEPS82446  Populus tremuloides Gilbert Muth 1966-7-19 420 Siskiyou meadow above Marble Valley (Black Mt. Trail); Marble Mt. Wilderness Area, Black Mt. Trail 1859 Comment
  UC54209  Populus tremuloides H. M. Hall and E. B. Babcock June, 1903 4080 Siskiyou along streams in Shasta Valley Shasta Valley (Mount Shasta); , Shasta Valley 914 Comment
  CAS-BOT-BC102956  Populus trichocarpa L. E. Smith 1918-4-27 s.n. Siskiyou Hornbrook Comment
  UC375242  Populus trichocarpa Geo. D. Butler 1909-9-26 972 Siskiyou along creek near Yreka; along creek near Yreka Comment
  CAS-BOT-BC102958  Populus trichocarpa W. B. C. 1939-8-10 13855 Siskiyou in the upper portion of Mud Creek Canyon 1828 Comment
  CAS-BOT-BC334233  Potamogeton pusillus Dana York 2011-9-9 3097 Siskiyou Klamath National Forest, a few meters inside Marble Mountain Wilderness at Isinglass Lake 1985 Comment
  CAS-BOT-BC143180  Potentilla breweri Harley P. Chandler 1901-6-1 1697 Siskiyou Near Marble Mountain 1524 Comment
  RSA237619  Potentilla drummondii Frederick W. Oettinger 1967-7-26 188 Siskiyou Stream bank just below Tom Taylor Cabin Spring. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2049 Comment
  HSC96322  Potentilla flabellifolia Gordon Leppig, Tony LaBanca, Leonel Arguello 1997-6-27 470 Siskiyou Russian Wilderness, cirque W of Little Duck Lake 2200 Comment
  HSC18736  Potentilla flabellifolia Dorothy Parker 1949-7-10 338 Siskiyou Head of Paradise Lake, Salmon Mtn. 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
  RSA120875  Potentilla gracilis var. fastigiata G. D. Barbe 1955-7-7 140 Siskiyou South of Forest Camp, Etna 884 Comment
  CAS-BOT-BC158527  Potentilla millefolia A. A. Heller 1905-6-20 8074 Siskiyou Gazelle Station Comment
  UC702909  Primula suffrutescens Lester Rowntree 1937-7-25 Siskiyou Caribou Lakes Comment
  HSC68391  Prosartes hookeri Maralyn A. Renner 1980-6-26 1249 Siskiyou SE edge of Flint Valley. 1390 Comment
  LA86525  Prunus emarginata John M. Tucker; 1963-7-7 3711 Siskiyou Marble Mountain Wilderness Area, in vicinity of Paradise Lake, at base of Kings Castle on E side 1981 Comment
  RSA184732  Prunus emarginata Gilbert Muth 1966-7-8 373 Siskiyou Marble Valley Meadow, Marble Mountains. 1793 Comment
  RSA48221  Prunus emarginata Roxana S. Ferris 1948-6-12 11776 Siskiyou About 5.5 miles from Etna on forks of Salmon road. Comment
  RSA531258  Prunus emarginata Walter Wisura 1991-9-3 4574 Siskiyou Along road to Castle Lake, W of town of Mt. Shasta. Comment
  UC165439  Prunus emarginata Geo. D. Butler 1910-5-1 1256 Siskiyou Humbug Mountain Comment
  UC166615  Prunus emarginata Geo. D. Butler 1908-8-26 537 Siskiyou Salmon Mountain Comment
  UC454977  Prunus emarginata I. J. Condit 1911-7-5 Siskiyou near Shasta Retreat (Mount Bradley); Mount Bradley Comment
  CAS-BOT-BC158225  Prunus emarginata W. R. Dudley 1901-8-25 s.n. Siskiyou Near 14 mile Post, Salmon Creek, Salmon Mts. Comment
  CAS-BOT-BC154679  Prunus subcordata Lincoln Constance; Reed C. Rollins 1942-5-14 2922 Siskiyou Road to Walker Post Office, 3 miles west of Yreka 1219 Comment
  HSC29358  Prunus virginiana var. demissa Frederick W. Oettinger 1969-8-29 1564 Siskiyou Marble Mtn. Wilderness Area, along English Lake trail above Willow Spring 1677 Comment
  UC1539991  Prunus virginiana var. demissa M. Mitchell 1936-5-12 17 Siskiyou n side of Eaglenest, Lava Beds National Monument, Eaglenest Eaglenest; Lava Beds National Monument, Eaglenest 1584 Comment
  SEINET7452469  Prunus virginiana var. demissa G. D. Butler 1909-5-16 s.n. Siskiyou Near Yreka. Comment
  JEPS97196  Pseudoroegneria spicata subsp. spicata Julie Kierstead Nelson with Maria Ulloa-Cruz 1995-8-22 95023 Siskiyou northern foothills of The Eddys, along Parks Creek Road (Rd. 17) 2.2 mi above junction with Stewart Springs Rd. Shasta-Trinity National Forests, Mt. Shasta Ranger District 1341 Comment
  RSA47994  Pseudoroegneria spicata subsp. spicata Roxana S. Ferris, Laura Lorraine 11795 Siskiyou Scott Mountain Road south of Callahan Comment
  CHSC227  Pseudostellaria jamesiana K. Jaekel 1939-7-29 Siskiyou Meadow on Mt. Eddy. 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
  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
  JEPS82420  Pteridium aquilinum var. pubescens Gilbert Muth 1966-8-1 486 Siskiyou Marble Valley horse pasture Marble Valley; Marble Mt Wilderness Area 1792 Comment
  CHSC69077  Pterospora andromedea Vernon Oswald; Lowell Ahart 1997-7-28 8780 Siskiyou Forest Route 56 (42N56) 3.7 mi east of Forest Route 49, edge of Burnt Lava Flow Virgin Area at Yellow Jacket Ice Cave. 1755 Comment
  SEINET236688 Image available Puccinellia nuttalliana Louis C. Wheeler 1935-6-30 3635 Siskiyou 3 mi. south of Grenada Shasta Valley 792 Comment
  RSA238344  Pyrola californica Frederick W. Oettinger 1969-8-14 1364 Siskiyou At inlet to Upper English Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1768 Comment
  UCD77970  Pyrola minor Robert E. Preston 2001-7-20 1677 Siskiyou Klamath National Forest, north slope of Rainbow Mountain, n of Hemlock Lake, T42N R1W se 1/4 of ne 1/4 Section 14 1688 Comment
  SEINET7257268  Pyrola minor W. Roderick, D. Parker 1967-7-27 s.n. Siskiyou South of Etna 1676 Comment
  HSC65567  Pyrola picta Rich White 1977-7-21 131 Siskiyou Slope below outlet of Raspberry Lake 1512 Comment
  JEPS58829  Pyrola picta W. L. Jepson 1902-7-19 2084 Siskiyou Near Jordan's Ranch, Summerville Comment
  UC1190130  Pyrola picta Ira L. Wiggins 1955-7-23 13463 A Siskiyou ridge W of China Creek, S side of S Fork of Salmon River 960 Comment
  CAS-BOT-BC462544  Pyrola picta Elizabeth McClintock; Wayne Roderick; Martha Roderick 1967-7-29 s.n. Siskiyou Road to Mumbo Basin, Trinity Mts. 1889 Comment
  CAS-BOT-BC466133  Pyrola picta Gilbert Muth 1965-8-10 s.n. Siskiyou Marble Valley and long upper trails Comment
  UC1282019  Pyrrocoma racemosa var. pinetorum Louise Kellogg Aug 8 1953-Aug 9 1953 119 Siskiyou Scott Mountain Public Campground Scott Mountains, Klamath National Forest 1630 Comment
  CAS-BOT-BC68643  Quercus chrysolepis J. H. Thomas 1954-5-14 4188 c Siskiyou Salmon Montains, Klamath National Forest. Near South Fork of Salmon River, 5 to 9 miles southeast of Cecilville. 1219 Comment
  HSC27952  Quercus chrysolepis Carl W. Mize 1972-9-23 117 Siskiyou End of road 945 Comment
  UCD40475  Quercus chrysolepis Rodney Gale Myatt 1971-9-22 1220 -5 Siskiyou Next to Klamath River, past Horse Creek. 500 Comment
  UC142637  Quercus garryana Copeland 1903-7-14 3522 Siskiyou Klamathon Comment
  UCSB1175  Quercus garryana var. breweri Muller, Cornelius 1954-6-23 Siskiyou Summit, 3.5 mi. S of Oregon line, on road to Happy Camp, Siskiyou Mtns.; Del Norte-Siskiyou Co. line Comment
  CAS-BOT-BC105469  Quercus kelloggii D. E. Breedlove 1962-6-10 3319 Siskiyou on the N bank of the Klamath River at its junction with Goff Creek, 4.5 miles W of Seiad 411 Comment
  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
  UCD105619  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
  LA205301  Quercus kelloggii W. B. C.; 1939-7-28 13778 Siskiyou along the MacBride Springs Rd 1371 Comment
  CAS-BOT-BC104364  Quercus sadleriana Sandra L. Holloway 1963-10-12 77 Siskiyou Junction Red Rock valley trail and Canyon Creek trail, Marble Mountain Wilderness Area 1341 Comment
  CHSC83156  Quercus sadleriana G. J. Muth; J. M. Tucker 1972-8-9 1797 Siskiyou Near Cook and Green Pass. Ridge top. 1462 Comment
  JEPS27149  Quercus sadleriana Lauramay T. Dempster 1961-7-1 1831 Siskiyou s slope White Mountain Comment
  LA205354  Quercus sadleriana Elizabeth Epling; 1939-7-6 5221 Siskiyou on Takilma-Happy Camp road 1676 Comment
  RSA749132  Quercus sadleriana Jim R. Shevock, David Toren 2000-9-1 20099 Siskiyou Applegate River Drainage. Along trail 959 toward Bear Gulch about 100 yards N of Cook and Green Pass off of road 1055. 1433 Comment
  UC1135782  Quercus sadleriana R. C. Bacigalupi 1935-10-21 2369 Siskiyou summit of road between Waldo and Happy Camp (near Del Norte-Siskiyou County line); Siskiyou National Forest, Seiad Quad. 1676 Comment
  UCD47261  Quercus sadleriana John M. Tucker 1972-8-8 4247 B Siskiyou (Q. garryana Hook. var. breweri (Engelm.) Jepson). California, Siskiyou Co.; Marble Mountains, trail from Whiskey Camp to Elk Peak, ca. 2.5 mi. west-southwest of Marble Valley Guard Station (extreme southeast corner of Section 20, R.11W., T.42N. 1828 Comment
  UCSB57179  Quercus sadleriana Holloway, Sandra 1963-10-12 Siskiyou Junction Red Rock Valley trail and Canyon Creek trail (T.43.R.11W., southeast corner section 7), Marble Mountain Wilderness Area Comment
  LA205358  Quercus sadleriana Edward Lee; 1934-8-13 1067 Siskiyou Kalmath National Forest, Happy Camp to Waldo (Oregon) rd, watershed of W Branch of Indian Creek 1371 Comment
  HSC19224  Quercus vacciniifolia J. O. Sawyer 1968-9-9 658 Siskiyou Ridges S of Cyclone Gap 1738 Comment
  HSC69277  Quercus vacciniifolia Maralyn A. Renner 1980-9-1 2678 Siskiyou Bear Mtn. 1936 Comment
  HSC69561  Quercus vacciniifolia Maralyn A. Renner 1980-8-6 2288 Siskiyou Along trail, 0.5 mi. SE of Cyclone Gap. 1585 Comment
  SEINET234405  Quercus vacciniifolia John Tucker 1948-8-3 1776 Siskiyou 6.7 road mi below the summit of Happy Camp Waldo road Comment
  UCD47466  Quercus vacciniifolia Beecher Crampton 1956-8-21 3847 Siskiyou Canyon of the Sacramento River just above the junction of the North Fork with Middle and South Forks, southwest of Mt. Shasta City, Siskiyou County. 1066 Comment
  JEPS49022  Ranunculus alismifolius var. alismellus Hilda W. Grinnell 1935-6-7 Siskiyou Deer Camp Ranger Station Siskiyou Mts. 1798 Comment
  UC1023837  Ranunculus aquatilis var. capillaceus Douglas Barbe 1955-6-29 52 Siskiyou 4.1 mi se Etna (on Eastside Rd.); Klamath Mountains 914 Comment
  HSC64659  Ranunculus eschscholtzii J. O. Sawyer 1977-7-6 3025 Siskiyou S of Little Duck Lake 2134 Comment
  HSC86556  Ranunculus gormanii D. K. Imper Jul 1987 Siskiyou Marble Mtn. Wilderness Area, Haypress Meadow, 8 mi. E of Somes Bar 1372 Comment
  UC166128  Ranunculus occidentalis Geo. D. Butler 1909-4-25 683 Siskiyou Quartz Valley Comment
  HSC78182  Ranunculus orthorhynchus var. orthorhynchus L. P. Janeway 1983-7-10 404 Siskiyou Poker Flat 1524 Comment
  UC165957  Ranunculus orthorhynchus var. orthorhynchus Geo. D. Butler 1910-4-21 1214 Siskiyou Oro Fino Comment
  UC796607  Ranunculus orthorhynchus var. orthorhynchus Roxana S. Ferris and Laura Lorraine Jun 12 1948-Jun 16 1948 11820 Siskiyou Parker Ranch Plowman's (Noyes) Valley, e. fork of Scott River Drainage 1203 Comment
  RSA7819  Rhamnus purshiana Carl B. Wolf 1927-8-27 1116 Siskiyou On the Klamath River, Happy Camp. Comment
  SEINET13946368 Image available Rhamnus rubra A. A. Heller 1916-1 12490 Siskiyou East side of Mt. Eddy Comment
  POM244253  Rhamnus rubra subsp. obtusissima Carl B. Wolf 1930-10-22 1755 Siskiyou 3 miles N of Mt. Shasta City on the Pacific Hwy 1220 Comment
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Sep 10 2010
  CAS-BOT-BC109791  Rhodiola integrifolia subsp. integrifolia G. J. Muth 1969-8-8 1289 Siskiyou Gap Meadow, Boulder Peak Ridge. 2286 Comment
  RSA697559  Rhododendron macrophyllum Leo Miller 1938-07 s.n. Siskiyou Siskiyou, Mountains. 915 Comment
  UC166113  Ribes aureum Geo. D. Butler 1910-6-12 1559 Siskiyou Yreka Creek Comment
  CAS-BOT-BC92539  Ribes binominatum Louis C. Wheeler 1934-7-3 2854 Siskiyou Klamath Forest. Soda Creek. 1676 Comment
  CAS-BOT-BC92545  Ribes binominatum Saxton; Canfield 1922-8-26 87 Siskiyou Klamath Forest. Greider [Grider] Creek. 1524 Comment
  RSA237679  Ribes binominatum Frederick W. Oettinger 1969-7-15 1025 Siskiyou Between Diamond Lake and Upper English Lake. Salmon Mtns. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2012 Comment
  UC1222380  Ribes binominatum Joseph P. Tracy 1951-6-16 19499 Siskiyou at crossing of Takilma-Happy Camp Road (summit of Siskiyous); Siskiyous Comment
  RSA0024875  Ribes cereum M. B. Dunkle 1944-7-18 9122 Siskiyou Sterling Mt. 1890 Comment
  RSA0024876  Ribes cereum Carl B. Wolf 1941-7-26 11075 Siskiyou SW end Little Shasta Valley, 12 miles NE. US Highway 97 at junction with rd. to Montague. 884 Comment
  CAS-BOT-BC6178  Ribes glanduliferum Amos Arthur Heller 1905-6-9 8005 Siskiyou Yreka Comment
  RSA0021095  Ribes inerme var. klamathense G. D. Barbe 1955-6-29 42 Siskiyou 1.8 miles east of Callahan, south bank of Scott River. 976 Comment
  CAS-BOT-BC173300  Ribes lacustre Milo S. Baker 1926-7-23 113 -'26 Siskiyou S. Fork Mt. - 5 mi. north of highway Comment
  CAS-BOT-BC173391  Ribes lobbii W. R. Dudley 1899-8-22 s.n. Siskiyou Side of Craggy Peak 1828 Comment
  JEPS49363  Ribes lobbii Geo. D. Butler 1908-7-19 265 Siskiyou Humbug Creek Comment
  UC1736425  Ribes lobbii Dean W. Taylor 1999-6-10 17249 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
  RSA0021628  Ribes lobbii J. P. Smith 1974-5-25 7443 Siskiyou Near junction of Road 8 and French Creek Road. 1280 Comment
  CAS-BOT-BC212484  Ribes marshallii Harry R. Saxton; Roy H. Canfield 1922-9-2 38882 Siskiyou Head of Bridge Creek, Klamath Forest 1524 Comment
  RSA692612  Ribes montigenum D. W. Taylor 1996-7-12 15791 Siskiyou Salmon Mountains; Patterson Creek drainage (about 5 air miles west of Etna); Klamath National Forest. 1372 Comment
  CAS-BOT-BC219262  Ribes nevadense W. B. C. 1938-6-17 11006 Siskiyou Sisson Southern Trail 1676 Comment
  CAS-BOT-BC219272  Ribes nevadense John Thomas Howell 1937-7-22 13310 Siskiyou South Fork of Salmon River near Big Flat 1524 Comment
  HSC98217  Ribes nevadense J. O. Sawyer 1969-7-9 1227 Siskiyou SE facing slope above South Sugar Lake 1890 Comment
  RSA0023154  Ribes nevadense var. glaucescens P. A. Munz 1952-7-2 17893 Siskiyou Rd. to Baldy Mt. NW of Happy Camp, Siskiyou Mts. 1524 Comment
  CHSC1664  Ribes roezlii M. Yoder 1941-6-28 Siskiyou Castle Lake. 1981 Comment
  CAS-BOT-BC198873  Ribes roezlii var. amictum L. E. Smith 1913-6-18 377 Siskiyou Castle Creek Comment
  CAS-BOT-BC199980  Ribes roezlii var. cruentum John H. Thomas 1954-5-14 4185 Siskiyou Salmon Mountains, Klamath National Forest. Near South Fork of Salmon River, 5 to 9 miles southeast of Cecilville 1219 Comment
  HSC26225  Ribes roezlii var. cruentum J. P. Smith, J. O. Sawyer 1972-5-27 5358 Siskiyou Hwy. 3 near the Scott Mtn. Campground on divide between Scott and Trinity Rivers 1601 Comment
  HSC65619  Ribes roezlii var. cruentum J. P. Smith 1973-5-5 6422 Siskiyou Along Cook and Green Pass Rd. Comment
  UC204030  Ribes roezlii var. cruentum H. E. Brown June 1-10 1897 309 Siskiyou near Sisson 1083 Comment
  HSC73292  Ribes sanguineum Gail Newton 1980-6-20 508 Siskiyou Near Bald Mtn. 1097 Comment
  RSA0019538  Ribes sanguineum J. P. Smith 1974-5-25 7445 Siskiyou Near junction of Road 8 and French Creek Road. 1280 Comment
  RSA0019540  Ribes sanguineum Frederick W. Oettinger, Robert F. Thorne 1969-8-7 1280 Siskiyou Southeast of English Lake. The high lake basins in the vicinity of English Peak, Marble Mountain Wilderness Area. 1829 Comment
  HSC44887  Ribes sanguineum var. sanguineum Maralyn O'Meara 1974-5-25 401 Siskiyou Along road to Duck Lakes trail 1402 Comment
  CAS-BOT-BC173914  Ribes velutinum T. Howell 1889-4-15 s.n. Siskiyou Hornbrook Comment
  HSC100033  Ribes velutinum J. P. Smith, & J. O. Sawyer 2010-5-6 12817 Siskiyou 732 Comment
  CAS-BOT-BC168809  Ribes viscosissimum John Thomas Howell 1939-8-2 14923 Siskiyou Spirit Lake, Marble Mts. Comment
  CDA8539  Rigiopappus leptocladus G. D. Barbe, J. T. Howell, T. C. Fuller 1980-5-2 2774 Siskiyou Northwest point of Chaparral Hill overlooking Scott River, 2 miles (3.2 km) west of Fort Jones on Lighthill Grade Road. Comment
  UC375408  Robinia pseudoacacia Geo. D. Butler 1908-7-20 1041 Siskiyou near Yreka Comment
  CHSC86437  Rorippa columbiae Jenny Marr 1993-7-1 91 Siskiyou Butte Valley Wildlife Area, SE of Meiss Lake, +/- 3 mi E of McDoel. Dept of Fish and Game land. Marsh. 1371 Comment
  UCD77975  Rorippa columbiae Robert E. Preston 2000-8-16 1434 Siskiyou Dry Lake, ca. 2.15 mi sw of Toad Mountain, T41N R2E sw 1/4 Section 18 1423 Comment
  CAS-BOT-BC74659  Rorippa curvisiliqua Alice Eastwood 1921-7-28 10914 Siskiyou Medicine Lake. Comment
  HSC29182  Rorippa curvisiliqua Frederick W. Oettinger 1968-8-22 495 Siskiyou Salmon Mtns., Marble Mtn. Wilderness Area, just before first moraine en route to Tobacco Lake 1890 Comment
  UC375395  Rosa californica Geo. D. Butler 1908-6-20 1044 Siskiyou near Yreka Comment
  CAS-BOT-BC146764  Rosa gymnocarpa Geo. B. Grant 1902-9-15 s.n. Siskiyou Dunsmuir Comment
  CAS-BOT-BC146796  Rosa gymnocarpa var. serpentina A. M. Vollmer; L. Beane 1951-6-2 54 Siskiyou Road between Streamline Lodge and Deer Camp, north of Klamath River Highway Comment
  CAS-BOT-BC147064  Rosa pisocarpa Geo. B. Grant 1902-9-13 s.n. Siskiyou Dunsmuir Comment
  CAS-BOT-BC147074  Rosa pisocarpa A. A. Heller 1919-6-27 13254 Siskiyou Metcalf's ranch, northeast base of Mt. Eddy 1158 Comment
  UC1871385  Rosa pisocarpa Barbara Ertter 2006-7-30 18742 Siskiyou S of Juanita Lake in mountains between Shasta and Butte valleys, 2.2 mi N of intersection with Little Shasta Road. 1584 Comment
  RSA300565  Rosa pisocarpa Walter Wisura, John Dourley 1982-10-16 3873 Siskiyou Shores of Castle Lake, SW of town of Mt. Shasta. 1646 Comment
  CAS-BOT-BC149739  Rosa woodsii subsp. ultramontana L. E. Smith 1915-9-1 s.n. Siskiyou Sisson Comment
  POM88096  Rosa woodsii var. ultramontana Geo. D. Butler 1908-6-20 1044 Siskiyou Near Yreka Comment
  HSC36758  Rubus laciniatus Brent Whitely 1975-7-11 156 Siskiyou 229 Comment
  HSC48288  Rubus lasiococcus J. O. Sawyer, K. Stillman 1978-7-6 3297 Siskiyou Along Happy Camp - O'Brien Rd., above Louse Creek. Comment
  HSC77789  Rubus lasiococcus L. P. Janeway 1983-9-11 652 Siskiyou Poker Flat 1524 Comment
  HSC36754  Rubus leucodermis Brent Whitely 1975-6-23 41 Siskiyou 223 Comment
  RSA245274  Rubus macropetalus Carl W. Mize 1972-6-8 37 Siskiyou Forks of Salmon quad. By Wooley Creek. 335 Comment
  UC144393  Rubus parviflorus A. A. Heller 1905-6-1 7949 Siskiyou between Upper Soda Spring and Shasta Retreat; between Upper Soda Spring and Shasta Retreat Comment
  CAS-BOT-BC157169  Rubus ursinus Alice Eastwood 1912-7-17 1186 Siskiyou Sisson Comment
  SEINET5710612  Rudbeckia klamathensis Lowell E. Urbatsch, Vesna Karaman, Castro 2000-1 7699 Siskiyou Scott Mts. Collected along Road 17, 10 mi. SW from the intersection of I-5 and Stewart Spring Rd.; Scott Mountains 1757 Comment
  HSC19445  Rumex acetosella J. O. Sawyer 1969-7-16 1119 Siskiyou SE facing upper slope S of Siphon Lake 2235 Comment
  HSC30285  Rumex acetosella William J. Ferlatte 1969-6-25 1177 Siskiyou Big Flat 1524 Comment
  JEPS39940  Rumex occidentalis W. L. Jepson 1913-8-13 5799 Siskiyou Marshes at Sisson Sisson 1097 Comment
  CAS-BOT-BC433709  Rumex occidentalis Geo. D. Butler 1909-6-5 971 Siskiyou Yreka Creek Comment
  RSA611388  Sagina apetala L. C. Wheeler 1934-6-2 2606 Siskiyou Klamath River at Cherry Flat; Siskiyou Mts. 518 Comment
  UC935797  Sagittaria cuneata Herbert L. Mason 1948-7-18 13607 Siskiyou Grass Lake Comment
  RSA184756  Salix eastwoodiae Gilbert Muth 1966-7-8 377 Siskiyou Marble Valley. Marble Mtns. 1793 Comment
  UC1173605  Salix eastwoodiae Joseph P. Tracy 1935-8-1 14398 Siskiyou at extreme head of W. Fork of Knownothing Creek Rock Lake (on ridge between Salmon and New Rivers) 1889 Comment
  UC1409264  Salix eastwoodiae Frederick W. Oettinger 1968-9-3 690 Siskiyou near Horse's Hole Horse Range Lake Basin; Salmon Mts, High Lake Basins, English Peak vicinity, Marble 1828 Comment
  RSA0034854  Salix hindsiana H. P. Bracelin 1931-6-22 477 Siskiyou Pit River at Gibson flag station, 125 km. north of Red Bluff. 450 Comment
  RSA0038339  Salix hindsiana H. P. Bracelin 1931-6-22 477 Siskiyou Pit River at Gibson flag station, 125 km. north of Red Bluff. 450 Comment
  HSC69200  Salix jepsonii Maralyn A. Renner 1980-7-24 2079 Siskiyou Lily Pad Lake 1768 Comment
  HSC19977  Salix lasiandra R. C. Wunner 1965-8-14 427 Siskiyou Lava Beds National Monument, N boundary near Hovey Pt. 1220 Comment
  UC449838  Salix lasiandra subsp. lasiandra L. S. Smith 1931-6-1 20 Siskiyou near Mt. Shasta Mt. Shasta 1066 Comment
  UC481727  Salix lasiandra subsp. lasiandra Mrs. H. P. Bracelin 1931-6-21 474 Siskiyou ca. 13 km. n.w. of Shasta City (1.3 km. e. of Burney Mill, at bridge, n. base Mt. Eddy); Mt. Eddy 1110 Comment
  UC482236  Salix lasiandra subsp. lasiandra Mrs. H. P. Bracelin 1931-6-19 411 Siskiyou ca. 16 km. n.w. Shasta City (stream above Metcalf ranch house, n.e. side Mt. Eddy); Mt. Eddy 1425 Comment
  CAS-BOT-BC125464  Salix lasiandra var. lasiandra Mrs. H. P. Bracelin 1931-6-21 473 Siskiyou North base of Mount Eddy, about 13 km. northwest of Shasta City; about 1.3 km. east of Burney Mill 1110 Comment
  JEPS80664  Salix lasiandra var. lasiandra W. B. and V. G. Cooke 1977-9-22 54823 Siskiyou near Deter Camp Mt. Shasta Comment
  SJSU263  Salix lasiandra var. lasiandra Mrs. H. P. Bracelin 1931-6-21 473 Siskiyou bridge c. 1.3 km E of Burney Mill, N base of Mt Eddy, c. 13 km NW of Shasta City 1109 Comment
  UCD111532  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-BC125474  Salix lasiandra var. lasiandra W. R. Dudley 1907-8-24 s.n. Siskiyou South Fork Salmon, below Smiths Comment
  LA208781  Salix lasiolepis Mrs. H. P. Bracelin; 1931-6-21 469 Siskiyou N side of Mount Eddy, about 21 km NW of Shasta City; 300 km. below Dobkin's Lake 1650.0 Comment
  UC481719  Salix lasiolepis Mrs. H. P. Bracelin 1931-6-21 469 Siskiyou creek side about 300 m below Dobkin Lake (n side of mt., about 21 km nw of Shasta City); Mt. Eddy 1650 Comment
  UC481721  Salix lasiolepis Mrs. H. P. Bracelin 1931-6-21 469 Siskiyou creek side about 300 m below Dobkin Lake (n side of mt., about 21 km nw of Shasta City); Mt. Eddy 1650 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
  UCR133523  Salix lasiolepis Mrs. H. P. Bracelin 1931-6-21 469 Siskiyou North side of Mount Eddy, about 21 km northwest of Shasta City, below Dobkins Lake 1650 Comment
  CHSC9686  Salix lemmonii E. L. Smith 1971-8-20 1058 Siskiyou At Mt. Shasta City. 1085 Comment
  POM219892  Salix lemmonii H. P. Bracelin 1931-6-19 415 Siskiyou NE side of Mount Eddy. About 16 km NW of Shasta City. Above Metcalf ranch house. Comment
  POM107034  Salix lucida subsp. lasiandra Geo. D. Butler 1910-4-10 1161 Siskiyou Yreka Creek. Comment
  POM219898  Salix lucida subsp. lasiandra H. P. Bracelin 1931-6-19 429 Siskiyou N base of Mt Eddy. About 10 km NW of Shasta City. 1200 Comment
  UCR66564  Salix lucida subsp. lasiandra Mrs. H. P. Bracelin 1931-6-19 423 Siskiyou Northeast side of Mount Eddy, c. 16 km. northwest of Shasta City, above Metcalf ranch house 1455 Comment
  CAS-BOT-BC129029  Salix scouleriana A. A. Heller 1915-7-18 12130 Siskiyou Metcalf's ranch, northeast base of Mt. Eddy in moist soil in the forest. 1188 Comment
  SD879  Salix scouleriana Mrs. H. P. Bracelin 1931-6-20 444 Siskiyou East side of Mount Eddy, about 17 km northwest of Shasta City, above stream in Wagon Creek Canyon, about 1 km up from Metcalf Ranch House 1170 Comment
  UC576385  Salix scouleriana Mrs. H. P. Bracelin 1936-9-3 856 Siskiyou 11 mi. n.w. Mt. Shasta City (ca. 2 mi. e. of Burney Mill, flat beside creek - second bridge, n. base Mt. Eddy); Mt. Eddy 1127 Comment
  UCR142840  Salix scouleriana Mrs. H. P. Bracelin 1931-6-19 435 Siskiyou North base of Mount Eddy, c. 10 km. northwest of Shasta City, east of Metcalf ranch house 1080 Comment
  HSC14354  Salvia dorrii var. incana R. C. Wunner 1965-6-13 150 Siskiyou Lava Beds National Monument, Devil's Homestead Lava Flow 1296 Comment
  CAS-BOT-BC220810  Salvia dorrii var. incana A. A. Heller 1922-6-22 13667 Siskiyou Along the Pacific highway on the Klamath River Comment
  JEPS62712  Salvia dorrii var. incana Geo. D. Butler 1908-7-16 177 Siskiyou near Anderson Ferry, Klamath River; Klamath River Comment
  JEPS62778  Salvia sonomensis W. L. Jepson 1894-8-4 14946 Siskiyou Niels Camp Niels Camp, Mt. Shasta (trail to snow-line); Mt. Shasta Comment
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Aug 10 2008
  SEINET13947646 Image available Salvia sonomensis A. A. Heller 1905-1 8044 Siskiyou Near Sisson Comment
  JEPS96773  Salvia virgata Dean W. Taylor 1999-8-12 17425 Siskiyou Ager Beswick Road, 0.3 miles South of the crossing of Bogus Creek 822 Comment
  UCD125657  Salvia virgata C. S. Giebner 1968-7-29 s.n. Siskiyou E. H. Marlow property, Greenhorn Valley, around 2 miles west of Yreka. Comment
  SEINET3154867  Sambucus canadensis G. D. Butler 1910-5-29 1425 Siskiyou Dry thicket near Yreka Comment
  CDA42179  Sambucus racemosa T. C. Fuller 1974-9-24 20025 Siskiyou Reeves Ranch Springs, ca. 2 miles south of Scraggy Mountain, Siskiyou Mountains. 0 Comment
  CAS-BOT-BC236484  Sambucus racemosa subsp. racemosa Louis C. Wheeler 1934-8-2 3019 Siskiyou Alex Canyon, Klamath Forest 1889 Comment
  UC54364  Sanguisorba annua H. M. Hall and E. B. Babcock June, 1903 4046 Siskiyou at 18th crossing near Sisson (Mount Shasta); Sierra Nevada Mountains, , at 18th crossing 1036 Comment
  JEPS98637  Sanicula crassicaulis O. Gomez and P. Vargas 1996-5-26 39 PV96 Siskiyou ca. 4 mi N of the town by Seiad Crek road Seiad Valley Comment
  UC585155  Sanicula graveolens E. B. Babcock, G. L. Stebbins Jr. 1936-6-13 2004 Siskiyou about 1 1/2 mi w of Mount Shasta (above Sulloway Creek, Rainbow Ridge); Rainbow Ridge 1188 Comment
  HSC77242  Sanicula graveolens L. P. Janeway 1983-7-17 424 Siskiyou Poker Flat, E edge of upper portion of meadow 1524 Comment
  UCD98483  Saponaria officinalis J. M. Tucker 1950-7-24 1947 Siskiyou lot beside Highway 99 on outskirts of town of Mount Shasta. Comment
  UCD135445  Saussurea americana T. C. Fuller; D. H. Shaw 1974-9-24 20045 Siskiyou headwaters of Horse Creek, southwest slope of White Mountain. Comment
  UC166552  Saxifraga californica Geo. D. Butler 1910-3-25 1138 Siskiyou Shasta River hills Shasta River Comment
  RSA238318  Saxifraga ferruginea Frederick W. Oettinger 1968-8-1 337 Siskiyou South side of Hancock Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2043 Comment
  JEPS13972 Image available Saxifraga fragarioides C. G. Pringle 1881-8-14 Siskiyou cliffs of Castle Lake; Mountains about headwaters of the Sacramento River; Sacramento River 1828 Comment
  UCD126471  Schedonorus arundinaceus P. B. Kennedy 1923-8-29 s.n. Siskiyou Mt. Shasta City. By Camp Cold Water, Sisson. Comment
  CAS-BOT-BC111220  Scirpus M. A. Berry 1957-7-4 s.n. Siskiyou Carter Meadow at junction of Long Gulch and Trail Gulch on South fork of Salmon River. 1524 Comment
  HSC77408  Scirpus congdonii L. P. Janeway 1983-9-11 674 Siskiyou Poker Flat 1524 Comment
  UC1152064  Scirpus congdonii Joseph P. Tracy 1950-7-19 19203 Siskiyou in swamp about 5 mi se Elk Valley (Flint Valley); se of Elk Valley, Flint Valley 1432 Comment
  CHSC86628  Scirpus microcarpus Jenny Marr 1993-7-1 11 Siskiyou Butte Valley Wildlife Area, +/- 7 air miles NW of the town of MacDoel. Meadow NW of Meiss Lake. 1349 Comment
  CAS-BOT-BC111093  Scirpus microcarpus L. E. Smith 1913-5-27 295 Siskiyou Unspecified Comment
  HSC4159  Scleranthus annuus L. C. Wheeler 1935-6-15 3589 Siskiyou 3 mi. S of Greenview, Scott Valley, Mt. Diablo Meridian 884 Comment
  RSA467543  Scribneria bolanderi M. B. Dunkle 1949-11-22 9255 Siskiyou Marble Mts. Comment
  UC821369  Scribneria bolanderi Louis C. Wheeler 1935-5-1 3450 Siskiyou Siskiyou Mountains, Yreka Creek Yreka Creek; Siskiyou Mountains, Yreka Creek 853 Comment
  RSA138223  Scrophularia californica Percy C. Everett, E. K. Balls 1959-10-23 23939 Siskiyou 4 mi SW from Etna, on rd from Callaban to Somesbar, Salmon Mtns. 1677 Comment
  UC164350  Scrophularia lanceolata Geo. D. Butler 1910-5-22 1383 Siskiyou Yreka Creek Comment
  HSC68478  Scutellaria antirrhinoides Maralyn A. Renner 1980-6-8 812 Siskiyou Slopes N of Moffett Creek 945 Comment
  UC163834  Scutellaria antirrhinoides Geo. D. Butler 1908-8-3 179 Siskiyou Log Lake, Shackleford Creek Shackleford Creek; Log Lake, Shackleford Creek Comment
  RSA755952  Scutellaria antirrhinoides Robert F. Thorne 1969-8-2 63351 Siskiyou Klamath National Forest, Salmon Mountains, Marble Mountain Wilderness Area, high lake basins in the vicinity of English Peak. 1159 Comment
  UC1211910  Scutellaria siphocampyloides Roy L. Taylor 1960-6-12 4442 Siskiyou above the Klamath River (1 mi w of jct Hwy 96 (Klamath River Road) and Hwy 99 n of Yreka) Comment
  RSA445344  Scutellaria siphocampyloides Bonnie C. Templeton 1960-6-21 8539 Siskiyou Between Callahan and the summit of Scott mts. Comment
  UC1034648  Secale cereale Milo S. Baker and Douglas Barbe 1955-6-27 13088 Siskiyou about 1 mi w Gazelle (on road to Callahan) 914 Comment
  UC205192  Sedum lanceolatum Harley P. Chandler June, 1901 1669 Siskiyou Marble Mountain North Coast Ranges, Marble Mountain 2438 Comment
  CAS-BOT-BC59184  Sedum lanceolatum Louis C. Wheeler 1934-8-9 3075 Siskiyou Jaynes Canyon 1920 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
  HSC101238  Sedum laxum subsp. heckneri P. F. Zika 2011-7-19 25640 Siskiyou W side of FS Rd. 1040, 2.9 road miles above junction with FS Rd. 10, above Middle Fork Applegate River, 1 air mile NW of Abney Butte, Siskiyou Mountains 675 Comment
  JEPS26673  Sedum obtusatum subsp. boreale Lauramay T. Dempster 1961-7-1 1841 Siskiyou along ridge from Condrey Peak to White Mountain; along ridge fr Condry Peak to White Mountain Comment
  JEPS121410  Sedum obtusatum subsp. retusum Peter F. Zika 2011-7-19 25647 Siskiyou near Pacific Crest Trail, 1 air mile WNW of Copper Butte, Siskiyou Mountains Comment
  RSA597965  Sedum oregonense L. C. Wheeler 1963-8-31 8322 Siskiyou Siskiyou Mountains. Devil's Punch Bowl off Clear Creek. 1524 Comment
  RSA0036680  Sedum radiatum subsp. depauperatum Peter F. Zika 2011-7-19 25645 Siskiyou Forest Service Road 1055, 5.9 road miles S of and above junction with Road 1050, 1 air mile SSE of Windy Peak, Siskiyou Mountains, Klamath Range (KR). 1340 Comment
  RSA0074771  Sedum spathulifolium E. K. Balls 1949-7-10 13966 Siskiyou Road from Sawyers Bar to Cecilville. 732 Comment
  CAS-BOT-BC496372  Selaginella scopulorum John Thomas Howell 1937-7-26 13521 Siskiyou Salmon-Trinity Alps, Caribou Basin 2286 Comment
  RSA629724  Selaginella wallacei Louis Cutter Wheeler 1958-8-19 7400 Siskiyou Seiad Creek Mine. Comment
  CAS-BOT-BC341178  Senecio hydrophiloides Geo. D. Butler 1909-6-22 956 Siskiyou Goosenest foothills Comment
  CAS-BOT-BC363743  Senecio hydrophilus Alice Eastwood 1912-9-4 2094 Siskiyou Sisson Comment
  CHSC88130  Senecio hydrophilus Jenny Marr 1993-7-1 141 Siskiyou Butte Valley Wildlife Area, +/- 7 air miles NW of the town of MacDoel. Meadow NW of Meiss Lake. 1349 Comment
  CAS-BOT-BC363936  Senecio integerrimus var. exaltatus Geo. D. Butler 1910-5-10 1332 Siskiyou Goosenest foothills 1524 Comment
  CAS-BOT-BC363938  Senecio integerrimus var. exaltatus Geo. D. Butler 1910-5-15 1345 Siskiyou McAdams Creek Comment
  CDA8646  Senecio integerrimus var. exaltatus Vernon H. Oswald & Lowell Ahart 1998-6-11 9216 Siskiyou Butte Valley National Grassland near the junction of Meiss Lake-Sams Neck Road and Highway 97, ca. 5 miles north of Macdoel. Comment
  UC1299449  Senecio integerrimus var. exaltatus Freed W. Hoffman 1950-7-13 3551 Siskiyou ne slope Baldy Mountain highest peak; Baldy Mountain 1743 Comment
  UC1560410  Senecio integerrimus var. exaltatus E. Joyal and D. Mehlman 1988-6-25 1277 Siskiyou Happy Camp to Takilma road (at turn-off to Bolan Lake) 1524 Comment
  UC166169  Senecio integerrimus var. exaltatus Geo. D. Butler 1910-5-10 1332 Siskiyou Goosenest foothills Goosenest 1524 Comment
  UC1733689  Senecio integerrimus var. exaltatus Frank Gould, Kay H. Beach 1940-5-16 1250 Siskiyou Bald Mt. Comment
  HSC90546  Senecio integerrimus var. exaltatus Jennifer Whipple 1976-6-19 1067 Siskiyou N-facing slopes in the Eddy Creek drainage 2195 Comment
  RSA0125031  Senecio integerrimus var. exaltatus Philip A. Munz 1952-7-2 17882 Siskiyou Road to Baldy Mt. northwest of Happy Camp. 1494 Comment
  UC53947  Senecio integerrimus var. major Harley P. Chandler Jun 1901 1606 Siskiyou near Marble Mountain; North Coast Ranges 1981 Comment
  HSC69386  Senecio triangularis Maralyn A. Renner 1980-8-31 2667 Siskiyou Poker Flat at trailhead to Twin Valley 1524 Comment
  HSC61998  Senecio triangularis Ruby Van Deventer 1939-7-19 Siskiyou Poker Flat 1585 Comment
  JEPS25663  Senecio triangularis Rimo Bacigalupi with Mr. and Mrs. Van Deventer 1959-7-10 7306 Siskiyou 4 air mi nne Preston Peak (just e of Del Norte County line, watershed of Indian Creek, meadow at Twin Valley); Siskiyou Mts., Twin Valley, Indian Creek 1493 Comment
  OBI55454  Senecio triangularis David J. Keil, Kathleen Keil 1992-7-21 23550 Siskiyou Klamath Natl Forest SE of Callahan. Forest Rd 40N08. 4.2 mi W of Scott Mtn rd (hwy 3) Comment
  CHSC102564  Sibbaldia procumbens L. P. Janeway 2009-8-4 9901 Siskiyou High Cascade Range. Mt. Shasta, north slope; 3.7 air km south-southwest of Northgate Trailhead. 2783 Comment
  CAS-BOT-BC205789  Sidalcea oregana Annie M. Alexander; Louise Kellogg 1949-7-23 5852 Siskiyou At Sky High Valley, Paradise Lake, Marble Mountains 1920 Comment
  JEPS67299  Sidalcea oregana subsp. spicata W. L. Jepson 1937-7-23 18457 Siskiyou Yreka Comment
  OBI55470  Sidalcea oregana subsp. spicata David J. Keil, Kathleen Keil 1992-7-21 23535 Siskiyou Klamath Natl Forest SE of Callahan. Forest Rd 40N08, 1.7 mi W of Scott Mtn rd (hwy 3) Comment
  RSA448234  Sidalcea oregana subsp. spicata L. S. Rose 1937-7-26 37608 Siskiyou McCloud 1006 Comment
  UC624821  Sidalcea setosa David D. Keck 1938-8-6 4815 Siskiyou 4 mi s Oregon line (Poker Flat, on road from Waldo to Happy Camp, North slope, summit of Siskiyou Mts., at Del Norte Co. line); summit of Siskiyou Mts., North slope 1554 Comment
  CAS-BOT-BC181194  Silene campanulata subsp. glandulosa Roxana S. Ferris; Laura Lorraine 1948-6-12 11806 Siskiyou At Mule Creek crossing on Scott Mountain Road south of Callahan 1524 Comment
  UC796448  Silene campanulata subsp. glandulosa Roxana S. Ferris and Laura Lorraine Jun 12 1948-Jun 16 1948 11806 Siskiyou at Mule Creek crossing on Scott Mountain Road s Callahan; s of Callahan 1524 Comment
  HSC23683  Silene campanulata subsp. greenei J. O. Sawyer 1971-7-16 2431 Siskiyou Slope NE of Deep Lake 2165 Comment
  CAS-BOT-BC389429  Silene lemmonii Alice Eastwood 1923-5-18 11850 Siskiyou Shasta Springs Comment
  HSC19440  Silene lemmonii J. O. Sawyer 1969-6-12 902 Siskiyou Along C.C.C. road just S of Sugar Creek 1463 Comment
  POM151411  Silene noctiflora G. R s.n. Siskiyou Auf Aeckern bei Dresden Comment
  UCR51823  Silene vulgaris J. O. Sawyer, K. T. Stillman 1976-7-1 2792 Siskiyou Along the Little North Fork of the Salmon River. 732 Comment
  HSC44727  Silene vulgaris J. O. Sawyer, E. Cope 1977-6-18 2902 Siskiyou Along Clear Creek trail below Ten Mile Creek 457 Comment
  CDA3895  Sinapis arvensis T. C. Fuller 1958-4-17 4823 Siskiyou 1 mile south of Montague. 0 Comment
  HSC6909  Sisymbrium altissimum D. M. Thomson 1965-6-19 89 Siskiyou Lava Beds National Monument, Captain Jacks Stronghold Comment
  POM109017  Sisyrinchium bellum Geo D. Butler 1910-6-6 1556 Siskiyou Quartz Valley Comment
  SEINET10611677 Image available Sisyrinchium bellum H. E. Brown 1897-6-11 Brown 351 Siskiyou Collected North Side Mt. Shasta, Siskiyou County. 1524 Comment
  UC1190167  Smilacina stellata Ira L. Wiggins 1955-7-23 13478 Siskiyou China Creek 1097 Comment
  UCSB25036  Smilax californica Keefe, Joseph 1967-7-11 Siskiyou Elk Creek Road, 6 miles south of Happy Camp 426 Comment
  CHSC106100  Solanum dulcamara Lowell Ahart; John Dittes 2010-7-30 16939 Siskiyou Along the south edge of the Shasta River, about 100 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
  NY821267  Solanum physalifolium A. A. Heller 1915-8-24 12208 Siskiyou Metcalf's ranch, northeast base of Mt. Eddy 1189 Comment
  CAS-BOT-BC157048  Solanum umbelliferum J. T. Howell 1939-8-9 15234 Siskiyou Shackleford Creek Trail, Marble Mts. Comment
  CAS-BOT-BC157045  Solanum umbelliferum C. R. Quick 1958-6-17 58 -32 Siskiyou Near Black Bear Summit south of Sawyer's Bar on ridge road to Cecilville 1356 Comment
  POM52743  Solidago canadensis subsp. elongata Geo D. Butler 1858 Siskiyou Oro Fino Comment
  HSC6197  Solidago multiradiata R. C. Wunner 1965-8-14 429 Siskiyou California Lava Beds N. P.; 2 mi. SW on Tichner Rd. from Mammoth Crater 1494 Comment
  HSC61978  Solidago multiradiata Al Hobart 25 Jul [year missing] Siskiyou Preston Peak 1982 Comment
  JEPS121624  Solidago multiradiata Jennifer Buck, Deborah Stout 2011-8-24 Siskiyou Middle Fork Sacramento River headwaters, east slope of the Eddys, near Toad Lake. Sloping wet meadow in lodgepole pine forest on ultramafic soil. E aspect. Mount Eddy quadrangle. TL05A Comment
  UC195207  Solidago multiradiata Annie M. Alexander and Louise Kellogg 1911-8-14 326 Siskiyou Mt. Eddy Comment
  JEPS22566  Solidago spectabilis Rimo Bacigalupi with Drs. Reino & Aloha Alava 1958-9-2 6833 Siskiyou just north and below Scott Mountain road summit 1615 Comment
  OBI55475  Solidago spectabilis David J. Keil, Kathleen Keil 1992-7-21 23531 Siskiyou Klamath NF SE of Callahan. Forest Rd 40N08, 1.7 mi W of Scott Mtn rd (hwy 3) Comment
  RSA715771  Sonchus asper subsp. asper L. Ahart, John Dittes 2005-6-10 12117 Siskiyou At the pump house along the Shasta River, about 1.9 miles (air) S of Hwy 99/97 Cutoff, about 6 miles (air) ESE of Granada. 777 Comment
  JEPS95096  Sorbus californica Vernon Oswald and Lowell Ahart 1997-7-28 8794 Siskiyou s.e. Medicine Lake (at Paynes Springs, on walls of Paynes Creek Canyon n. of the campground); Paynes Springs 1981 Comment
  HSC76  Sorbus scopulina William J. Ferlatte 1967-6-30 595 Siskiyou Josephine Lake basin 1677 Comment
  UC202193  Sparganium angustifolium Geo. D. Butler 1910-7-13 1766 Siskiyou Shackleford Creek 1219 Comment
  UC1736474  Spiraea densiflora subsp. densiflora Dean W. Taylor 1972-7-3 1600 Siskiyou Cook and Green Pass 1371 Comment
  CAS-BOT-BC149686  Spiraea douglasii Geo. D. Butler 1910-7-9 1708 Siskiyou Shackleford Creek 1219 Comment
  CAS-BOT-BC149688  Spiraea douglasii Louis C. Wheeler 1934-8-16 3176 Siskiyou 2 miles SE White Mts., Siskiyou Mts. 1737 Comment
  UC375390  Spiraea douglasii Geo. D. Butler 1908-8-2 284 Siskiyou Log Lake; Shackleford Creek Comment
  RSA304937  Spiraea douglasii James R. Shevock 1972-7-26 2226 -A Siskiyou Along the Klamath River. 518 Comment
  CAS-BOT-BC152554  Spiraea splendens Ira L. Wiggins 1955-7-27 13528 Siskiyou Caribou Lake, Salmon-Trinity Alps Primitive Area 2042 Comment
  HSC551  Spiranthes romanzoffiana William J. Ferlatte 1966-8-17 391 Siskiyou Trinity Alps: Caribou Basin 1982 Comment
  HSC26908  Spiranthes romanzoffiana J. P. Smith, J. O. Sawyer 1971-9-17 4774 Siskiyou Little Duck Lake outlet Comment
  JEPS63046  Stachys ajugoides var. rigida W. L. Jepson 1894-8-9 14958 Siskiyou Shasta Springs Comment
  JEPS63053  Stachys ajugoides var. rigida Geo. D. Butler 1908-8-8 172 Siskiyou near lake at head Woolly Creek 1676 Comment
  UCLA70897  Stachys ajugoides var. rigida W. Bridge Cooke 1940-6-20 15169 Siskiyou below Hornbrook (near the Pacific Highway); Klamath River Comment
  UCLA70760  Stachys ajugoides var. rigida C. G. Pringle 1881-8-16 Siskiyou Comment
  RSA184651  Stachys emersonii Clare B. Hardham 1965-8-20 13030 Siskiyou Marble Mts., Granite Trail near Cudahy Lakes. 1220 Comment
  POM70360  Stachys rigida subsp. rigida Geo. D. Butler 1910-7-24 1792 Siskiyou Yreka Creek. Comment
  HSC78209  Stachys rigida var. rigida L. P. Janeway 1983-8-16 546 Siskiyou Poker Flat 1524 Comment
  CAS-BOT-BC391222  Stellaria longipes subsp. longipes Herbert L. Mason 1948-7-18 13611 Siskiyou Grass Lake Comment
  UC1360488  Stenanthium occidentale J. M. Tucker and L. K. Mann and S. L. Holloway 1963-8-18 3747 Siskiyou ca 0.5 mi ne Marble Valley Guard Station (Upper Canyon Creek); Marble Mountain Wilderness Area 1920 Comment
  UCR131615  Stenanthium occidentale L. C. Wheeler 1934-8-17 3181 Siskiyou Siskiyou Mtns., north side of White Mtn 1829 Comment
  CAS-BOT-BC516468  Stenanthium occidentale Gilbert Muth 1966-7-19 427 Siskiyou Marble Gap Trail, along 1st bluff, Marble Mts. 1828 Comment
  UC1408919  Stephanomeria lactucina Frederick W. Oettinger 1969-8-18 1438 Siskiyou below Willow Spring (on English Lake Trail, w Siskiyou County, the high lake basins in the vicinity of English Peak, Marble Mountain Wilderness Area); Salmon Mountains 1676 Comment
  CAS-BOT-BC375669  Stephanomeria paniculata Wm. Bridge Cooke 1938-7-22 11316 Siskiyou Mount Shasta. Sisson Southern Trail Comment
  POM315997  Stephanomeria paniculata Patricia Wilder 1965-9-29 4198 Siskiyou Lava Beds National Monument on path up to top of Schonchin Butte. Tule Lake drainage area. 1524 Comment
  HSC71189  Stipa occidentalis var. californica M. A. Baker 1980-6-20 2221 Siskiyou Near Bald Mtn. 1036 Comment
  HSC76767  Stipa occidentalis var. californica K. T. Stillman 1976-8-7 378 Siskiyou Marble Mtn. Wilderness Area, Box Camp Mtn. 2195 Comment
  CAS-BOT-BC87864  Streptanthus tortuosus Elizabeth McClintock; Wayne Roderick; Martha Roderick 1967-7-29 s.n. Siskiyou Road to Mumbo Basin, Trinity Mountains. 1889 Comment
  HSC591  Streptanthus tortuosus William J. Ferlatte 1966-6-22 79 Siskiyou Josephine Lake Basin 1677 Comment
  RSA120638  Streptanthus tortuosus G. D. Barbe 1955-6-28 21 Siskiyou 0.7 mile N of Callahan. 1006 Comment
  RSA149078  Streptanthus tortuosus I. L. Wiggins, Dorothy Wiggins 1961-6-15 16492 Siskiyou Quarry on Glass Mountain. Comment
  CAS-BOT-BC87860  Streptanthus tortuosus Gilbert Muth 1965-8-5 s.n. Siskiyou On trail to Black Mountain. Comment
  CAS-BOT-BC87879  Streptanthus tortuosus William A. Dayton 1913-7-20 394 Siskiyou Shasta Forest. Crest of Trinity Mountain Ridge. 1524 Comment
  CHSC557  Streptanthus tortuosus var. orbiculatus M. Yoder 1941-7-6 Siskiyou Castle Lake. 1981 Comment
  CHSC96096  Streptanthus tortuosus var. orbiculatus L. P. Janeway 2006-7-3 8766 Siskiyou Klamath Ranges. Salmon Mountains; along Music Creek Trailhead Road about 1.5 km west of upper crossing of Music Creek. 1646 Comment
  SBBG2585  Streptanthus tortuosus var. pallidus H. and M. Dearing 1939-7-1 3780 Siskiyou Salmon Mtn 1828 Comment
  RSA237936  Streptopus amplexifolius Frederick W. Oettinger 1968-8-10 462 Siskiyou Inlet to Hancock Lake. Salmon Mountains; the High Lake Basins in the vicinity of English Peak; Marble Mountain Wilderness Area 1936 Comment
  JEPS62165  Streptopus amplexifolius var. americanus Willis L. Jepson Jul 1894 Siskiyou Sisson Comment
  JEPS80511  Streptopus amplexifolius var. americanus Gilbert Muth 1966-7-24 443 Siskiyou Marble Mt. Wilderness Area, Marble Valley 1792 Comment
  UC1540179  Suaeda calceoliformis Dean W. Taylor 1987-8-9 9290 Siskiyou 8.3 mi w Highway 139 (along Highway 161 (Oregon border)); Lower Klamath National Wildlife Refuge 1249 Comment
  UC456202  Swertia albicaulis var. nitida I. J. Condit 1909-8-23 Siskiyou near Sisson; Castle Lake 1524 Comment
  JEPS46344  Swertia radiata W. L. Jepson 1902-7-17 2075 Siskiyou Salmon Summit, w Siskiyou County Salmon Summit 2286 Comment
  CAS-BOT-BC245850  Symphoricarpos Doris K. Kildale 1928-7-2 5384 Siskiyou Salmon Summit via Horn Creek Trail 1981 Comment
  CAS-BOT-BC269617  Symphoricarpos albus var. laevigatus Marcus E. Jones 1931-7-17 29034 Siskiyou Shasta City (Sisson's) Comment
  CAS-BOT-BC269623  Symphoricarpos albus var. laevigatus Alice Eastwood 1917-9-2 6702 Siskiyou Shasta Springs Comment
  CAS-BOT-BC234797  Symphoricarpos mollis John Thomas Howell 1937-7-23 13362 Siskiyou South Fork of Salmon River near Big Flat 1524 Comment
  HSC18986  Symphoricarpos mollis J. O. Sawyer 1969-8-5 1947 Siskiyou Along Sugar Creek. 1921 Comment
  UCD78034  Symphoricarpos mollis Robert E. Preston 2001-6-23 1573 Siskiyou Klamath National Forest, n slope of Rainbow Mtn, at Hemlock Lake. 1889 Comment
  CAS-BOT-BC269708  Symphoricarpos mollis W. R. Dudley 1901-8-24 s.n. Siskiyou Four Mile [Fourmile] Creek Trail, Salmon Mts. Comment
  CAS-BOT-BC97581  Symphyotrichum ascendens A. A. Heller 1914-8-26 11713 Siskiyou near Deetz Station near/opposite Black Butte 1158 Comment
  CAS-BOT-BC97873  Symphyotrichum eatonii Geo. D. Butler 1910-8-13 1829 Siskiyou Quartz Valley Comment
  CAS-BOT-BC97891  Symphyotrichum eatonii Alice Eastwood 1912-8-28 1954 Siskiyou Cantara, Sisson Comment
  UC1409458  Symphyotrichum hendersonii F. W. Oettinger 1969-8-16 1407 Siskiyou below, central areas of Wiregrass Meadow English Lake; Salmon Mts., English Peak Comment
  POM216003  Taeniatherum caput-medusae L. C. Wheeler 1935-6-4 3546 Siskiyou Grenada, Shasta Valley. 793 Comment
  HSC27602  Taxus brevifolia Carl W. Mize 1972-6-10 51 Siskiyou Along Steinacher Creek 0.5 mi. from Wooley Creek 244 Comment
  SEINET3876098 Image available Taxus brevifolia Alv Dan Youngberg 1964-8-17 34 Siskiyou Growing at West Branch Guard Station. Humbolt Meridian.; 0 671 Comment
  CAS-BOT-BC447422  Tellima grandiflora John Thomas Howell 1939-8-10 15275 Siskiyou Sky High Valley, Marble Mountains 1828 Comment
  CHSC63390  Thlaspi montanum var. montanum Vernon H. Oswald; Lowell Ahart 1994-7-11 6403 Siskiyou Forest Rd. 26 (to Mt. Shasta) at Gumboot Creek, ca. 0.5 mi NE of Gumboot Lake, W of Dunsmuir. On a roadside bank near the creek. 1783 Comment
  UC165985  Thysanocarpus curvipes Geo. D. Butler 1910-4-25 1241 1/2 Siskiyou Oro Fino; fields Comment
  RSA237921  Tofieldia glutinosa subsp. occidentalis Frederick W. Oettinger 1967-8-3 232 Siskiyou West end of Little Hancock Lake. The Salmon Mountains: the high lake basins in the vicinity of English Peak, Marble Mountain Wilderness Area 2043 Comment
  SEINET10761610  Tofieldia occidentalis subsp. occidentalis Andrew Townesmith, Karen M. Meyer 2007-8-1 Townesmith 882 Siskiyou Shasta-Trinity National Forest. 11.7 miles up Stewart Springs road/Forest Service road 17 (distance from intersection of Stewart Springs and Old 99 Highway). T41N R6W near sections 28 and 33. 1983 Comment
  HSC27946  Toxicodendron diversilobum Carl W. Mize 1972-9-23 112 Siskiyou Along Steinacher Creek Rd. about 3 mi. from bridge 762 Comment
  CAS-BOT-BC377156  Tragopogon porrifolius Alice Eastwood 1912-7-21 1294 Siskiyou Sisson Comment
  CAS-BOT-BC377158  Tragopogon porrifolius W. B. Cooke; V. G. Cooke 1958-10-10 s.n. Siskiyou Between High School and Howard, Mt. Shasta Comment
  SEINET5723543 Image available Triantha occidentalis subsp. occidentalis Lowell E. Urbatsch, Vensa Karaman 2000-1 7694 Siskiyou Collected along Road 17, 8.8 mi. SW from the intersection of I-5 & Stewart Spring Rd.; Scott Mountains 1586 Comment
  HSC14451  Trichostema lanceolatum C. B. Wolf 1927-8-26 1041 Siskiyou Along Klamath River, 4 mi. N of Gottville Comment
  HSC27625  Trientalis latifolia Carl W. Mize 1972-6-22 91 Siskiyou About 1 1/2 mi. from Offield Lookout 854 Comment
  SEINET8565491  Trientalis latifolia G. D. Butler 1910-5-23 1392 Siskiyou Humbug Mountain. 1219 Comment
  RSA583104  Trifolium Louis C. Wheeler 1935-6-27 3617 Siskiyou Greenview, Scott Valley. 884 Comment
  POM229944  Trifolium dubium Louis C. Wheeler 1935-6-27 3617 Siskiyou Greenview, Scott Valley. 884 Comment
  CDA4287  Trifolium eriocephalum E. Hale 1984-5-8 Siskiyou East end of Deer Meadow Road, approximately 1 miles west of R. Diaz property on Shamrock Road, south of Yreka. 0 Comment
  UC922394  Trifolium howellii Annie M. Alexander and Louise Kellogg 1949-7-30 5904 Siskiyou Sky High Valley Marble Mtns 1767 Comment
  RSA582432  Trifolium hybridum Louis C. Wheeler 2791 Siskiyou Cottonwood Creek 838 Comment
  UC163982  Trifolium kingii var. productum Geo. D. Butler 1910-7-9 1721 Siskiyou Marble Mtn 1828 Comment
  HSC18999  Trifolium longipes J. O. Sawyer 1969-7-11 1343 Siskiyou Along trail to Sugar Lake 1707 Comment
  JEPS124492  Trifolium pratense Daniel Slakey 2015-7-14 165 Siskiyou Along Ager-Beswick Road, approximately 5 miles from Copco Lake. Comment
  JEPS80539  Trifolium repens Gilbert Muth 1965-8-16 229 Siskiyou Marble Mountain Wilderness Area, Black Mountain, next to trail and meadow Black Mountain; Marble Mountain Wilderness Area, Black Mountain 1792 Comment
  SEINET4206959  Trifolium variegatum A. A. Heller 1905-6-5 7964 Siskiyou Between Shasta Retreat and Shasta Springs.; 0 Comment
  CHSC86651  Triglochin concinna var. debilis Jenny Marr 1993-7-1 34 Siskiyou Butte Valley Wildlife Area, +/- 7 air miles NW of the town of MacDoel. Meadow NW of Meiss Lake. 1349 Comment
  UC164381  Trillium albidum Geo. D. Butler 1910-4-25 1242 Siskiyou Scott R. Comment
  UC1181807  Trillium chloropetalum Dorothy Parker 1950-4-22 405 Siskiyou Etna Creek Siskiyou Mts., Salmon Mts., Etna Creek 914 Comment
  SEINET3888777  Trillium ovatum subsp. oettingeri Maralyn A. O'Meara 1973-6-24 229 Siskiyou Statute Lake Creek where it is crossed by Music Creek loggin road, about 1/4 miles from confluence of Statute Lake Creek and Music Creek.; 0 1829 Comment
  UCD93876  Trisetum canescens R. Tofsrud 1948-8-1 s.n. Siskiyou Near summit of road between Happy Camp and O'Brien Oregon. Comment
  HSC30533  Trisetum spicatum Frederick W. Oettinger 1968-9-6 734 Siskiyou Marble Mtn. Wilderness Area, trail SE of Tom's Cabin 2165 Comment
  RSA233651  Trisetum spicatum R. F. Thorne, Frederick W. Oettinger 1969-8-10 38997 Siskiyou Mount Shasta National Forest; south slope of Mt. Shasta at base of boulders. 2378 Comment
  RSA233685  Trisetum spicatum R. F. Thorne, Frederick W. Oettinger 1969-8-10 38957 Siskiyou Mt. Shasta National Forest: S slope of Mt. Shasta, Panther Creek Meadows 2195 Comment
  UCD93740  Trisetum spicatum A. H. Murphy 1960-8-11 60 L Siskiyou Klamath National Forest. Whisky Camp. 1828 Comment
  HSC68487  Triteleia crocea Maralyn A. Renner 1980-6-9 841 Siskiyou Ridge SE of FS Rd. 45N35 1341 Comment
  HSC76883  Triteleia crocea K. T. Stillman 1976-6-27 143 Siskiyou Marble Mtn. Wilderness Area, near Bear Lake Comment
  JEPS5655  Triteleia crocea Geo. D. Butler 1909-5-30 786 Siskiyou Humbug Mountain Comment
  RSA60793  Triteleia crocea Dorothy Parker 1948-5-16 s.n. Siskiyou Near Harstrand Gulch, east side of Scott Valley 915 Comment
  CHSC86645  Triteleia hyacinthina Jenny Marr 1993-7-1 28 Siskiyou Butte Valley Wildlife Area, +/- 7 air miles NW of the town of MacDoel. Meadow NW of Meiss Lake. 1349 Comment
  POM109809  Triteleia hyacinthina Geo D. Butler 1910-5-27 1415 Siskiyou Shasta Valley Comment
  POM110211  Triteleia hyacinthina Geo D. Butler 1908-8-4 108 Siskiyou Head of Shackleford Creek. Comment
  CAS-BOT-BC524321  Triteleia ixioides subsp. anilina L. E. Smith 1913-6-12 360 Siskiyou Sisson Comment
  UC1223744  Tsuga mertensiana J. M. Tucker 1963-7-8 3734 Siskiyou ca 1 mi n Marble Valley (e side of Black Mountain); Marble Mountain Wilderness Area, Black Mountain 1981 Comment
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  UC572793  Tsuga mertensiana W. Bridge Cooke 1937-8-17 9295 Siskiyou lava slopes Mt. Shasta 2590 Comment
  UC915712  Tsuga mertensiana W. L. Jepson July 1907 Siskiyou Marble Mountain; w Siskiyou Co. Comment
  HSC67617  Typha latifolia J. P. Smith, Steve Selva 1970-8-7 4540 Siskiyou Jct. I-5 and Stewart Creek Rd. Comment
  CAS-BOT-BC91275  Umbellularia californica Marion Ownbey; Fred G. Meyer 1940-7-8 2223 Siskiyou Along Indian Creek, 12 miles above Happy Camp. Comment
  UC705620  Umbellularia californica Marion Ownbey, Fred G. Meyer 1940-7-8 2223 Siskiyou 12 mi above Happy Camp (along Indian Creek); Indian Creek Comment
  JEPS117566  Urtica dioica subsp. gracilis Lowell Ahart, John Dittes 2010-7-30 16961 Siskiyou On the south bank of the Shasta River, about 1 yard east of the East Louie Road Bridge, Shasta Big Springs Ranch, 1.6 miles (air) southwest of Big Springs Lake, 4.6 miles (air) northwest of Dwinnel Dam, 5.7 miles (air) southeast of Grenada 716 Comment
  CAS-BOT-BC404218  Urtica dioica subsp. holosericea Lewis S. Rose 1945-6-22 45163 Siskiyou Walker, Klamath River 533 Comment
  CAS-BOT-BC404215  Urtica dioica subsp. holosericea Alice Eastwood 1912-9-1 1771 Siskiyou Sisson Comment
  UCD121866  Utricularia minor Barry Rice 2007-7-7 BR 070701 Siskiyou Lower Cliff Lake. 1747 Comment
  CAS-BOT-BC199182  Vaccinium cespitosum W. R. Dudley 1901-8-18 s.n. Siskiyou Shores of Jackson Lake, Salmon Mts. Comment
  CAS-BOT-BC199195  Vaccinium cespitosum W. R. Dudley 1905-8-4 s.n. Siskiyou Foot of Mt Eddy Comment
  HSC19109  Vaccinium cespitosum J. O. Sawyer 1969-8-4 1813 Siskiyou Above Sugar Lake 2134 Comment
  HSC19512  Vaccinium cespitosum J. O. Sawyer 1969-8-3 1731 Siskiyou W of Little Duck Lake 2195 Comment
  HSC29307  Vaccinium cespitosum Frederick W. Oettinger 1969-7-14 1014 Siskiyou Marble Mountain Wilderness Area, N shore line of Charmaine Lake 1921 Comment
  HSC31964  Vaccinium cespitosum Steve Selva, Roger Jensen 1974-8-16 14 Siskiyou N shore of Sugar Lake. Comment
  HSC19361  Vaccinium membranaceum J. O. Sawyer 1968-7-22 539 Siskiyou Between Handcock and Diamond Lakes 1951 Comment
  JEPS66683  Vaccinium membranaceum Joseph P. Tracy 1935-8-1 14419 Siskiyou 3 mi e of Salmon Summit (Head of Knownothing Creek); Knownothing Creek 1767 Comment
  RSA238839  Vaccinium membranaceum Frederick W. Oettinger 1968-9-7 763 Siskiyou East side of Tobacco Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1890 Comment
  UC22196  Vaccinium membranaceum Harley P. Chandler Jun 1901 1577 Siskiyou near Marble Mountain; North Coast Ranges 2133 Comment
  JEPS91237  Vaccinium scoparium Dean W. Taylor 1972-7-3 1612 Siskiyou Salmon Mountains, near Little Duck Lake 1981 Comment
  UC1409421  Vaccinium scoparium Frederick W. Oettinger 1968-8-3 370 Siskiyou mid-trail between Diamond Lake and Hancock Lake (w Siskiyou County); Salmon Mountains, Marble Mountain Wilderness Area, English P 2011 Comment
  SEINET208830 Image available Vahlodea atropurpurea J. M. Fleschner, R Pemble 1966-9-5 Siskiyou Along trail from Marble Mt. to Sky High Lake E of Marble Mt. Marble Mt. 1975 Comment
  JEPS9213  Valeriana californica W. L. Jepson Jul 17 1902-Jul 22 1902 2074 Siskiyou Salmon Summit, Western Siskiyou 2286 Comment
  RSA761682  Valeriana sitchensis subsp. sitchensis Robert F. Thorne, Frederick W. Oettinger 1969-8-4 63361 Siskiyou Klamath National Forest, Salmon Mountains, Marble Mountain Wilderness Area, high lake basins in the vicinity of English Peak. Comment
  POM215872  Valerianella olitoria Louis C. Wheeler 1935-5-11 3485 Siskiyou Klamath River at Ash Creek; Siskiyou Mts. 610 Comment
  HSC102708  Ventenata dubia J. P. Smith 2013-6-17 13741 Siskiyou Margin of vernal pool and adjacent conifer forest. 1430 Comment
  CAS-BOT-BC527987  Veratrum W. R. Dudley 1909-8-18 s. n. Siskiyou Near Jacksons Lake Comment
  CAS-BOT-BC529103  Veratrum californicum Laura M. Lathrop 1903-7-17 s. n. Siskiyou Sisson Comment
  RSA15790  Verbascum blattaria Carl B. Wolf 1927-8-26 1018 Siskiyou Klamath River, 5 miles below Hornbrook. Comment
  HSC72501  Verbascum blattaria J. P. Smith, Steve Selva 1970-6-17 4093 Siskiyou 12 mi. E of Somes Bar on road between Forks of Salmon and Somes Bar 366 Comment
  RSA13898  Verbena lasiostachys var. lasiostachys Louis C. Wheeler 1934-10-11 3315 Siskiyou Siskiyou Mountains: Oak Knoll Ranger Station, Klamath River. 671 Comment