Search Results — 2000 specimen records retrieved (1438 records with coordinates)
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 Please cite data retrieved from this page: Data provided by the participants of the Consortium of California Herbaria (ucjeps.berkeley.edu/cch_archive/).
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? Specimen ID Determination * Collector Collection Date Collection Number County Locality Elevation in meters Feedback
  HSC4976  Abies X shastensis J. O. Sawyer 1968-9-13 715 Siskiyou W of the Happy Camp/O'Brien Rd. between Louse Creek and Indian Creek, on the E slopes of Little Grayback 1463 Comment
  HSC4979  Abies amabilis J. O. Sawyer 1968-7-22 525 Siskiyou Between Handcock and Diamond Lakes 1951 Comment
  JEPS83904  Abies amabilis Stephen K. Langer with Charles S. Rand 1988-6-21 Siskiyou 6.5 mi e Cook and Greene Pass (300 to 400 yards w of main spruce stand); White Mountain, Rogue River National Forest 1983 1645 Comment
  CAS-BOT-BC73504  Abies concolor Gilbert Muth 1966-8-3 494 Siskiyou Marble Mts. - Dry slope, Marble Valley Meadow 1792 Comment
  CAS-BOT-BC73505  Abies concolor Gilbert Muth 1965-7-29 313 Siskiyou Ridge near 4-corners. Comment
  HSC1337  Abies concolor D. M. Thomson 1965-8-14 197 Siskiyou Lava Beds National Monument, Tickner Rd., 2 mi. SW of Mammoth Crater Comment
  HSC4984  Abies lasiocarpa J. O. Sawyer 1968-7-9 754 Siskiyou W of Little Duck Lake. 1936 Comment
  HSC4985  Abies lasiocarpa J. O. Sawyer 1968-7-10 499 Siskiyou On trail to South Sugar Lake. 1982 Comment
  HSC5008  Abies lasiocarpa J. O. Sawyer 1968-10-8 754 Siskiyou W of Little Duck Lake 1936 Comment
  HSC69303  Abies magnifica Maralyn A. Renner 1980-7-24 1986 Siskiyou Pacific Crest Trail above Lily Pad Lake. 1799 Comment
  JEPS80586  Abies magnifica var. shastensis Gilbert Muth 1965-7-29 132 Siskiyou Marble Valley , Marble Valley (Marble Mt. Wilderness Area) 1792 Comment
  UC1001951  Abies magnifica var. shastensis Mrs. B. M. Berry 1954-10-9 1 Siskiyou between Etna and Salmon Mountain summit; Salmon Mountains, Salmon Mountain 1828 Comment
  HSC29634  Abies procera Frederick W. Oettinger 1968-9-10 810 Siskiyou Marble Mtn. Wilderness Area, N of peak near English Lake. Bulk Collection #51 2104 Comment
  RSA237418  Abies procera Frederick W. Oettinger, R. F. Thorne 1969-8-6 1239 Siskiyou Below Pine Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1883 Comment
  UC138080  Acer circinatum A. A. Heller 1905-6-1 7923 Siskiyou between Dunsmuir and Upper Soda Spring; between Dunsmuir and Upper Soda Spring Comment
  CAS-BOT-BC331024  Acer glabrum var. glabrum Alice Eastwood 1912-7-19 1220 Siskiyou Mount Shasta Comment
  UC1505812  Acer glabrum var. glabrum Robert T. Clausen and Harold Trapido 1940-7-26 4959 Siskiyou canyon of Mud Creek So. Cascade Mts., Sacramento River Basin, Mt. Shasta (Sacramento River Basin, So. Cascade Mts.) 1493 Comment
  CAS-BOT-BC336934  Acer negundo var. californicum W. B. Cooke; V. G. Cooke; Bob Frenkel 1963-7-12 34324 Siskiyou Memorial Highway below McBride Springs, Mt. Shasta 1432 Comment
  UC166198  Acer negundo var. interior Geo. D. Butler 1910-4-19 1204 Siskiyou Yreka Creek Comment
  CAS-BOT-BC30442  Achillea millefolium Doris K. Kildale 1929-8-24 9099 Siskiyou Rattlesnake Meadow, Preston Peak 1524 Comment
  HSC22300  Achillea millefolium J. O. Sawyer 1969-8-1 1641 Siskiyou SE facing slope above Duck Lake Creek 1951 Comment
  RSA12486  Achillea millefolium Carl B. Wolf 1934-7-4 5951 Siskiyou 6.8 miles from Dry Lake lookout on road to Horse Creek, Siskiyou Mountains. 1829 Comment
  CAS-BOT-BC30432  Achillea millefolium Gilbert J. Muth 1965-7-29 s.n. Siskiyou On top of Marble Mountain Lookout Comment
  HSC44579  Achlys triphylla Laura Witherspoon 1977-7-16 Siskiyou Copper Creek Area. 1128 Comment
  UC1409393  Achlys triphylla subsp. triphylla Frederick W. Oettinger 1969-9-4 1669 Siskiyou near gap between Tom's Lake Basin and Tobacco Lake Basin; Salmon Mts, High Lake Basins, English Peak vicinity, Marble 1828 Comment
  CAS-BOT-BC260332  Achnatherum hymenoides J. R. Swallen 1940-6-4 15001 Siskiyou Mount Shasta. Along the Bolam Road 1219 Comment
  CAS-BOT-BC210719  Achnatherum lemmonii Roxana S. Ferris; Laura Lorraine 1948-6-12 11791 Siskiyou Scott Mountain Road south of Callahan Comment
  JEPS101149  Achnatherum lemmonii Dean W. Taylor 1996-6-19 15714 Siskiyou Lime Gulch; bordering Shasta Valley (about 15 miles south of Yreka) 1188 Comment
  POM211395  Achnatherum lemmonii var. lemmonii L. C. Wheeler 1934-6-11 2682 Siskiyou North Hungry Creek , Siskiyou Mtns. (Mt Diablo Mer) 1311 Comment
  CAS-BOT-BC210751  Achnatherum nelsonii Roxana S. Ferris; Laura Lorraine 1948-6-12 11791 Siskiyou Scott Mountain Road south of Callahan Comment
  CAS-BOT-BC216927  Achnatherum occidentale Louis C. Wheeler 1934-6-11 2684 Siskiyou N Hungry Creek 1310 Comment
  CAS-BOT-BC210869  Achnatherum occidentale subsp. californicum H. S. Yates 1936-6-4 5837 Siskiyou One mile southwest of Signal Butte 1341 Comment
  RSA233653  Achnatherum occidentale subsp. californicum R. F. Thorne, Frederick W. Oettinger 1969-8-10 38998 Siskiyou Mount Shasta National Forest; south slope of Mt. Shasta at base of boulders. 2378 Comment
  UC1133087  Achnatherum occidentale subsp. californicum H. S. Yates 1936-6-4 5837 Siskiyou 1 mi sw Signal Butte; Dunsmuir Quadrangle Comment
  UC60168  Achnatherum occidentale subsp. californicum W. L. Jepson 1895-1 Siskiyou Shasta Comment
  UCD55547  Achnatherum occidentale subsp. californicum Beecher Crampton 1956-8-20 3800 Siskiyou Northern city limits of Dunsmuir; driveway of Oak-Lo Motel. 716 Comment
  CDA18406  Achnatherum occidentale subsp. pubescens G. D. Barbe, P. Hiatt & M. Keffer 1980-6-5 2809 Siskiyou Cascade Range; Mt. Shasta Reforestation area, north of Mt. Shasta city on Everitt Memorial Hwy to Panther Meadows ski area. 1097 Comment
  UCD56642  Achnatherum occidentale subsp. pubescens G. Douglas Barbe; P. Hiatt, M. Keffer 1980-6-5 2809 Siskiyou Cascade Ranges, Mt. Shasta Reforestation area, north of Mt. Shasta city on Everitt Memorial Hwy. to Panther Meadows ski area. 1097 Comment
  UC134232  Achyrachaena mollis Dr. E. B. Copeland 1903-7-3 3528 Siskiyou Klamathon; Pacific Coast Comment
  UC891059  Achyrachaena mollis Louis C. Wheeler 1935-5-26 3533 Siskiyou Yreka Creek; Siskiyou Mts., Yreka Creek 853 Comment
  HSC27690  Acmispon micranthus Carl W. Mize 1972-6-8 40 Siskiyou Along main trail 366 Comment
  HSC30775  Acmispon nevadensis J. P. Smith, J. O. Sawyer 1972-5-28 5373 Siskiyou 1.2 mi. E. of Jackson Creek on Callahan-Cecilville Rd., Klamath National Forest 1341 Comment
  HSC100269  Aconitum columbianum J. P. Smith, , J. O. Sawyer, & R. J. Cole 2010-8-7 13059 Siskiyou Klamath National Forest, road to Crater Lake off Forest Service Road 40N24. 2003 Comment
  CAS-BOT-BC391512  Aconitum columbianum subsp. columbianum Alice Eastwood 1921-7-24 10728 Siskiyou Castle Lake Comment
  CAS-BOT-BC391518  Aconitum columbianum subsp. columbianum Alice Eastwood 1912-8-30 1989 Siskiyou Mount Eddy Comment
  CAS-BOT-BC391520  Aconitum columbianum subsp. columbianum Alice Eastwood 1912-8-30 1951 Siskiyou Mount Eddy Comment
  CAS-BOT-BC391534  Aconitum columbianum subsp. columbianum A. A. Heller 1914-8-28 11724 Siskiyou East side of Mt. Eddy 1310 Comment
  HSC19285  Aconogonon davisiae J. O. Sawyer 1969-7-8 1092 Siskiyou NE slope above Little Duck Lake 2140 Comment
  HSC30483  Aconogonon davisiae Frederick W. Oettinger 1968-8-4 396 Siskiyou Vicinity of English Peak, Marble Mountain Wilderness Area; Crapo Peak Ridge trail break 2195 Comment
  CAS-BOT-BC418813  Aconogonon phytolaccifolium Annie M. Alexander; Louise Kellogg 1949-7-19 5808 Siskiyou Paradise Lake, Marble Mountains 1920 Comment
  HSC78206  Aconogonon phytolaccifolium L. P. Janeway 1983-7-24 449 Siskiyou Poker Flat, upper portion of meadow 1524 Comment
  SJSU2559  Aconogonon phytolaccifolium H. L. Buckalew 1962-7-7 Siskiyou Poker Flat c. 3 mi W of junction of Indian Cr with W Branch Indian Cr, Siskiyou Mts 1082 Comment
  CAS-BOT-BC29321  Adenocaulon bicolor A. A. Heller 1916-8-24 12558 Siskiyou Near Sisson 1074 Comment
  POM24645  Adiantum aleuticum E. B. Copeland 1903-9-6 3859 Siskiyou Mount Eddy 1463 Comment
  CAS-BOT-BC68956  Adiantum aleuticum A. A. Heller 1915-8-26 12235 Siskiyou Mt. Eddy in open swampy places in the forest. 1828 Comment
  CHSC91255  Aegilops cylindrica Lowell Ahart; John Dittes 2005-6-10 12122 Siskiyou North side of the corral, end of Salvadori Road, Nelson Ranch, about 1 1/4 miles (air) south of Highway 99/97 Cutoff, about 5 1/4 miles (air) east-southeast of Grenada. 785 Comment
  RSA0003895  Agastache parvifolia Alice Eastwood, J. T. Howell 1940-6-14 8266 Siskiyou Lava Beds National Mon. near Schonchin Butte Comment
  CAS-BOT-BC540710  Agastache urticifolia Dana York 2012-7-22 3145 Siskiyou Siskiyou Mountains: Klamath National Forest, ca. 440 m ESE of Red Butte, springs around Bee Camp 1740 Comment
  POM351180  Ageratina occidentalis M. B. Dunkle 1945-1 9342 Siskiyou Klamath Natl. Forest. Marble Mts. Comment
  RSA183723  Ageratina occidentalis Gilbert Muth 1965-8-4 167 Siskiyou Near the Marble, Marble Valley; Marble Mts. Comment
  CAS-BOT-BC15478  Agoseris X dasycarpa Elmer I. Applegate 1923-8-17 3845 Siskiyou West side of Medicine Lake Comment
  CAS-BOT-BC15479  Agoseris X dasycarpa Elmer I. Applegate 1923-8-18 3857 Siskiyou Redshale Mountain east of Medicine Lake 2438 Comment
  RSA238736  Agoseris aurantiaca Frederick W. Oettinger 1968-8-14 512 Siskiyou Stream bank about 100 yards below Tom Taylor Cabin. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2012 Comment
  HSC46195  Agoseris heterophylla Jennifer Whipple 1977-4-30 1886 Siskiyou Scott Valley near Weston Gulch 854 Comment
  UC61075  Agoseris heterophylla W. A. Setchell, C. C. Dobie 1902-7-13 Siskiyou Sisson Mt. Shasta Comment
  UCD77306  Agoseris heterophylla Robert E. Preston 2002-6-20 1850 Siskiyou Klamath National Forest, Rainbow Mountain, W ridge, on E-facing slope 1968 Comment
  UC61074  Agoseris retrorsa W. A. Setchell, C. C. Dobie 1902-7-13 Siskiyou Sisson; Mount Shasta Comment
  CDA345  Agoseris retrorsa T. C. Fuller 1962-6-11 8957 Siskiyou East side of Hwy 99 to Black Butte Summit, 4.1 miles south of Weed. 0 Comment
  RSA120644  Agropyron desertorum G. D. Barbe 1955-06 76 Siskiyou 1 1/4 mi E of Etna near junction of West side road and East West road Comment
  RSA0037257  Agrostis Robert F. Thorne, Frederick W. Oettinger 1969-8-10 38979 Siskiyou Mt. Shasta National Forest: S slope of Mt. Shasta. 2316 Comment
  CAS-BOT-BC126979  Agrostis exarata Wm. Bridge Cooke 1938-7-29 11410 Siskiyou Mount Shasta. Above Bear Springs. 1676 Comment
  UCD52273  Agrostis exarata J. M. Tucker 1963-8-19 3782 Siskiyou Marble Mountain Wilderness Area, headwaters of Canyon Creek. 1950 Comment
  LA206324  Agrostis humilis J. R. Swallen; 1939-8-8 13815 Siskiyou Mount Shasta, around the water supply spring above Horse Camp Comment
  RSA115695  Agrostis humilis Beecher Crampton 1956-8-22 3860 Siskiyou Panther Meadow, south slope of Mt. Shasta 2317 Comment
  RSA239093  Agrostis humilis Frederick W. Oettinger 1969-8-22 1503 Siskiyou South side of Horse Hole, near Horse Range Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1860 Comment
  UCD53259  Agrostis pallens R. Tofsrud 1948-8-1 s.n. Siskiyou Few mi. N. of Happy Camp. Comment
  HSC103905  Agrostis variabilis Dana York, Richard Helliwell 2010-9-11 3013 Siskiyou Six Rivers National Forest. Northeast slope of Broken Rib Mountain 1671 Comment
  POM259583  Agrostis variabilis J. T. Howell 1939-8-9 15214 Siskiyou Sky High Valley, Marble Mountains. 1829 Comment
  RSA211231  Agrostis variabilis William J. Ferlatte 1967-8-20 1074 Siskiyou Caribou Basin. Ridge west of Big Caribou Lake 2134 Comment
  HSC100993  Alisma triviale J. P. Smith 2009-8-22 12656 Siskiyou Along the road to Bray. 1422 Comment
  RSA105378  Alisma triviale G. D. Barbe 1955-7-5 108 Siskiyou At eastern limit of Greenview on road to Fort Jones; south side of road. 884 Comment
  UC375198  Allium acuminatum Geo. D. Butler 1910-5-17 1357 Siskiyou Yreka hills Comment
  SEINET8112105  Allium amplectens G. D. Butler 1910-5-17 1358 Siskiyou Yreka. Comment
  SBBG14883  Allium bolanderi A. I. Richardson 1961-6-8 14 Siskiyou near Cedar Lake, N of Mt Shasta 853 Comment
  UC722290  Allium bolanderi C. L. Hitchcock, J. S. Martin 1939-7-9 5309 Siskiyou 1 mi above Bucher's Ranch (ca. 3 mi w of Turner's Camp) 1219 Comment
  JEPS104836  Allium bolanderi var. bolanderi Dean W. Taylor 1996-6-18 15727 Siskiyou Scott Mountains; bordering Shasta Valley, hillslopes about 4 miles south of Gazelle; Shasta-Trinity National Forests 1249 Comment
  HSC39467  Allium bolanderi var. mirabile J. P. Smith, Steve Selva 1970-6-15 Siskiyou Between Forks of Salmon and Cecilville. Comment
  HSC91448  Allium falcifolium Jennifer Whipple 1976-7-14 1472 Siskiyou SE slope of Mt. Eddy draining into the N Fork of Sacramento River 2195 Comment
  SBBG844  Allium falcifolium K. K. Muller 1954-6-23 645 Siskiyou summit ca. 3.5 mi S of Oregon line on road to Happy Camp, Siskiyou Mtns Comment
  UC164160  Allium falcifolium Geo. D. Butler 1908-8-6 110 Siskiyou along trail on summit n West Fork of Woolly Creek Comment
  UC909369  Allium falcifolium Ira L. Wiggins 1950-5-28 12384 Siskiyou serpentine ridge just above Grouse Lake (headwaters of Grouse Creek); Grouse Creek 1737 Comment
  POM110166  Allium falcifolium Geo D. Butler 1908-8-6 110 Siskiyou Marble Mountain. 2134 Comment
  CAS-BOT-BC132144  Allium siskiyouense Gilbert Muth 1966-7-14 390 Siskiyou Flat above Marble Valley, Marble Gap Trail, Marble Mts. 1828 Comment
  CAS-BOT-BC384652  Allium validum Andrew Townesmith; Karen M. Meyer 2007-7-30 876 Siskiyou Shasta-Trinity National Forest. Off county road A-10, mile 12.6 (from beginning of road in Mount Shasta City), Panther Meadow campground vicinity 2284 Comment
  HSC39473  Allium validum J. P. Smith, Steve Selva 1970-7-27 Siskiyou Gumboot Lake 1768 Comment
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Apr 23 2015
  UC618715  Allium validum W. Bridge Cooke 1938-7-15 11253 Siskiyou along the creeks leading from Wagon Camp Springs; Mount Shasta, Wagon Camp Comment
  HSC43034  Allophyllum gilioides J. O. Sawyer, Ken Stillman 1976-7-2 2807 Siskiyou Ridges E of the Little N Fork Trail 732 Comment
  CAS-BOT-BC171248  Alnus L. E. Smith 1913-3-28 616 Siskiyou Weed Comment
  HSC67766  Alnus incana subsp. tenuifolia John Palmer 1980-8-15 990 Siskiyou NE of Seiad Low Gap on spur of F.S. Rd. 46N50 1098 Comment
  JEPS58635  Alnus incana subsp. tenuifolia W. L. Jepson 1914-8-13 5795 Siskiyou Sisson; swamps 1097 Comment
  SEINET231470  Alnus incana subsp. tenuifolia E. P. Boyle 1946-8-9 45 Siskiyou W Carson Sorensen's 2134 Comment
  CAS-BOT-BC171415  Alnus incana subsp. tenuifolia W. R. Dudley 1899-8-9 s.n. Siskiyou Below Upton Comment
  RSA0044689  Alnus incana subsp. tenuifolia Geo. D. Butler 1316 Siskiyou Goosenest foothills. 1524 Comment
  HSC27461  Alnus rhombifolia J. P. Smith, J. O. Sawyer 1972-5-28 5376 Siskiyou 1.2 mi. E. of Jackson Creek on Callahan-Cecilville Rd., Klamath National Forest 1341 Comment
  UC1034619  Alnus rhombifolia Douglas Barbe 1955-6-27 5 Siskiyou 0.8 mi n Callahan (in dredgings near Hjertagers' Mill); Klamath Mountains 975 Comment
  RSA238558  Alnus viridis subsp. sinuata Frederick W. Oettinger 1969-7-14 1012 Siskiyou Salmon Mountains, in the vicinity of English Peak, Marble Mountains Wilderness Area, along the s. shore of Charmaine Lake. 1921 Comment
  CHSC88411  Alopecurus aequalis Jenny Marr 1993-7-1 170 Siskiyou Butte Valley Wildlife Area, +/- 7 air miles NW of the town of MacDoel. Meadow NW of Meiss Lake. 1349 Comment
  RSA477428  Alyssum alyssoides L. C. Wheeler 1934-6-7 2653 Siskiyou Siskiyou Mountains: Hungry Creek Lookout. 1502 Comment
  UCD35448  Amelanchier alnifolia Beecher Crampton 1956-8-22 3870 Siskiyou 3-4 miles east of Mt. Shasta City, Mt. Shasta Pine logging road. 1584 Comment
  HSC18536  Amelanchier pallida D. M. Thomson 1965-8-21 203 Siskiyou Lava Beds NM, 1/4 mi. S of Caldwell Cinder Pit Comment
  HSC29362  Amelanchier pallida Frederick W. Oettinger 1969-8-25 1555 Siskiyou High Lake Basins in the vicinity of English Peak, Marble Mtn. Wilderness Area; Little N Fork stream along new trail from end of logging road to Devils Canyon trail 1220 Comment
  JEPS123660  Amelanchier pallida C. S. Campbell, M. Lorusso 2011-5-20 11 -350 Siskiyou Pat Trinca's property, east side of Hilt Valley Comment
  RSA453149  Amelanchier pallida Bonnie C. Templeton 1960-6-21 8545 Siskiyou Edge of cienega, Scott Mts Comment
  CAS-BOT-BC136879  Amelanchier utahensis Isabelle C. Kimber 1934-6-9 21 Siskiyou Steelbridge Camp, Sacramento River just above confluence with Ney Creek 731 Comment
  CAS-BOT-BC136913  Amelanchier utahensis J. H. Thomas 1954-5-13 4126 Siskiyou Salmon Mountains, Klamath National Forest. Near South Fork of Salmon River, 5 to 9 miles southeast of Cecilville. Vicinity of Blind Horse Creek 1066 Comment
  UC453988  Amelanchier utahensis I. J. Condit 1911-7-5 Siskiyou near Shasta Retreat (Mt Bradley); Mt. Bradley 1676 Comment
  UCSB15828  Amelanchier utahensis Breedlove, Dennis 1962-6-11 Siskiyou Along State Highway 89, 8.0 miles east of McCloud; Cascade Range 1127 Comment
  HSC29228  Anaphalis margaritacea Frederick W. Oettinger 1969-8-15 1382 Siskiyou High Lake Basins near English Peak, Marble Mountain Wilderness Area; N of Upper English Lake 1776 Comment
  CAS-BOT-BC391753  Anemone L. E. Smith 1913-6-29 s.n. Siskiyou Mt. Eddy Comment
  CAS-BOT-BC391805  Anemone deltoidea John Thomas Howell 1937-7-21 13173 Siskiyou South Fork of Salmon River near Big Flat 1524 Comment
  HSC29427  Anemone deltoidea Frederick W. Oettinger 1968-8-6 429 Siskiyou Marble Mtn. Wilderness Area, SE corner of Hancock Lake 1905 Comment
  HSC38  Anemone deltoidea William J. Ferlatte 1966-6-22 112 Siskiyou Josephine Lake Basin 1677 Comment
  UC8882  Anemone deltoidea Harley P. Chandler Jun 1901 1554 Siskiyou near Marble Mtn (ridges and meadows); North Coast Ranges 1828 Comment
  UC69625  Anemone deltoidea W. P. Gibbons Jun 1896 Siskiyou <Coleston?>; W. 121 degrees 1249 Comment
  CAS-BOT-BC391850  Anemone drummondii John Thomas Howell 1939-8-2 14873 Siskiyou Spirit Lake, Marble Mts. 1828 Comment
  CAS-BOT-BC391862  Anemone drummondii Harley P. Chandler 1901-6-1 1657 Siskiyou North Coast Ranges. Marble Mountain 2438 Comment
  RSA211129  Anemone drummondii William J. Ferlatte 1966-6-23 120 Siskiyou Dorleska summit; Trinity Alps. 2134 Comment
  HSC4933  Anemone lyallii J. O. Sawyer 1968-6-18 204 Siskiyou Above S Russian Creek, below the Blake's Fork confluence. 1463 Comment
  UC618684  Anemone occidentalis W. Bridge Cooke 1938-7-21 11303 Siskiyou s. Horse Camp (crekk basins around s.w. slopes Mt. Shasta); Mt. Shasta Comment
  RSA215648  Anemone occidentalis Gilbert Muth 1969-8-7 1227 Siskiyou damp shaded area on east side of Boulder Peak Ridge in Subalpine Forest. 2470 Comment
  SEINET12099858  Anemone occidentalis H. P. Chandler 1901-1 1637 Siskiyou North Coast Ranges 2134 Comment
  UC906643  Angelica tomentosa Joseph P. Tracy 1949-9-16 18567 Siskiyou from Callahan to Trinity Center (Scott Mountain); Scott Mountain 1615 Comment
  RSA211191  Angelica tomentosa var. tomentosa William J. Ferlatte 1966-8-3 244 Siskiyou Trinity Alps: Big Flat, wooded area near public camp. 1524 Comment
  HSC42905  Anisocarpus madioides J. O. Sawyer, Ken Stillman 1976-5-28 2727 Siskiyou Along Rd. W of Sawyers Bar. 610 Comment
  CAS-BOT-BC59288  Antennaria argentea A. A. Heller 1916-7-20 12475 Siskiyou Near Wagon Creek Falls, east side of Mt. Eddy 1371 Comment
  RSA699536  Antennaria argentea Jenny Marr 1993-07 0134 Siskiyou Butte Valley Wildlife Area, ~7 air miles NW of the town of MacDoel. 1350 Comment
  CAS-BOT-BC59289  Antennaria argentea J. H. Thomas 1954-5-13 4160 Siskiyou Salmon Mountains, Klamath Nation Forest 1127 Comment
  CAS-BOT-BC59161  Antennaria dimorpha Geo. D. Butler 1910-3-24 1140 Siskiyou Shasta River Hills Comment
  CHSC29308  Antennaria geyeri J. D. Prouty; A. Ratcliff 1979-6-28 79 .89 Siskiyou Toad Mtn. 152 Comment
  UC60986  Antennaria media Geo. B. Grant 1902-9-1 5113 Siskiyou Horse Camp Mt Shasta 2438 Comment
  CAS-BOT-BC79910  Antennaria microphylla Doris K. Kildale 1929-7-20 8580 Siskiyou South east spur of Preston Peak 1950 Comment
  JEPS33931  Antennaria rosea Willis L. Jepson 1894-8-4 Siskiyou snow line Mt. Shasta Comment
  RSA20170  Antennaria rosea J. T. Howell 1937-7-21 13177 Siskiyou S Fork of Salmon river near Big Flat. 1524 Comment
  RSA238721  Antennaria rosea Frederick W. Oettinger 1969-7-13 1003 Siskiyou N of Upper English lake just above moist meadows. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. Comment
  HSC29203  Antennaria umbrinella Frederick W. Oettinger 1969-9-3 1615 Siskiyou Marble Mtn. Wilderness Area, 'Shasta Ridge' between English Peak and Diamond Lake 2073 Comment
  CAS-BOT-BC102273  Anthemis cotula Dorothy Parker 1946-7-20 s.n. Siskiyou Plowman's Valley 1188 Comment
  CAS-BOT-BC280674  Anthoxanthum nitens Gus Hormay 1944-7-19 s.n. Siskiyou Kuck's Cabin, Bald Mountain, west of Mount Hebron 1828 Comment
  SEINET516159 Image available Apera interrupta Vernon H. Oswald 1998-6-27 9243 Siskiyou Big Tableland at the southwest edge of the Lower Klamath National Wildlife Refuge. 1353 Comment
  HSC82254  Aquilegia formosa Thomas W. Nelson, Jane P. Nelson 1980-7-20 6179 Siskiyou Above and to SE of Big Carmen Lake 1738 Comment
  HSC28661  Aquilegia formosa var. truncata Frederick W. Oettinger 1968-8-6 422 Siskiyou Marble Mtn. Wilderness Area, SE corner of Hancock Lake 1905 Comment
  CDA24646  Arabis breweri Don Shaw 1977-4-19 Siskiyou Old Highway 99 North, Yreka. 0 Comment
  JEPS53064  Arabis glabra Geo. D. Butler 1908-8-3 123 Siskiyou Log Lake Shackelford Creek Comment
  RSA0125834  Arabis glabra S. O. Mattoon, Alva Hansen 1978-6-16 32 Siskiyou S-facing flank of Scott Bar Mountains, McKinney Creek Canyon; 6 miles S of Klamath River at Oak Knoll R[anger].S[tation]. Comment
  HSC77124  Arabis holboellii var. retrofracta K. T. Stillman 1976-8-7 181 Siskiyou Marble Mtn. Wilderness Area. Comment
  POM143204  Arabis holboellii var. retrofracta Geo. D. Butler 1910-5-10 1331 Siskiyou Goosenest foothills Comment
  HSC90626  Arabis holboellii var. retrofracta Jennifer Whipple 1977-7-22 2038 Siskiyou Ridgecrest between Dobkins Lake and Dale Creek drainage Comment
  CAS-BOT-BC17370  Arabis oregana Lillian Mott 1976-7-18 27 LM76 Siskiyou Road to Lily Pad Lake from Cook and Green Pass. 1828 Comment
  JEPS84109  Arabis oregana L. R. Heckard with S. D'Alcamo, J. Hickman, S. Winchester 1986-7-16 6415 Siskiyou ca 5 mi n Seiad Valley town (cirque at head of Hell's Canyon, e slope of Kangaroo Mountain); Kangaroo Mountain 1828 Comment
  HSC90567  Arabis puberula Jennifer Whipple 1976-6-12 980 Siskiyou SE slope of Mt. Eddy draining into the N Fork of the Sacramento River 2195 Comment
  RSA237353  Arabis rigidissima var. rigidissima Frederick W. Oettinger 1969-9-4 1636 Siskiyou West face of Peak just east of Hancock Lake. Salmon Mountains. High Lake Basins in the Vicinity of English Peak. Marble Mountain Wilderness Area. 1999 Comment
  UC166108  Arabis subpinnatifida Geo. D. Butler 1910-7-12 1763 Siskiyou Shackleford Creek Comment
  CHSC33071  Aralia californica J. P. Smith; Steve Selva 1970-6-14 3887 Siskiyou Roadside seep, 1 mile east of Steinacher Creek road on road to Forks of Salmon. Comment
  CAS-BOT-BC171029  Aralia californica Marion Ownbey; Fred G. Meyer 1940-7-8 2221 Siskiyou Along Cade Creek near it's mouth, 3 miles east of Happy Camp. Comment
  HSC27900  Arbutus menziesii Carl W. Mize 1972-9-23 120 Siskiyou Along Steinacher Creek Rd. above moist draw 610 Comment
  CAS-BOT-BC407725  Arceuthobium abietinum F. G. Hawksworth; D. Wiens 1964-7-1 641 Siskiyou on Mt. Shasta Ski Area Road, 5 miles from US 99 (Mt. Shasta) 1524 Comment
  CAS-BOT-BC407792  Arceuthobium campylopodum William Bridge Cooke 1938-9-2 11593 Siskiyou Sisson Southern Trail, Mount Shasta 1371 Comment
  CDA22358  Arceuthobium campylopodum R. L. Mathiasen 2005-3-12 531 Siskiyou 0.8 km north of Highway 89 on Forest Road 88 (road to Mt. Shasta Ski Park). Shasta-Trinity National Forest. 0 Comment
  JEPS84178  Arceuthobium campylopodum L. R. Heckard with J. Hickman et al. 1986-7-17 6489 Siskiyou ca 9 mi n Hwy 96 (Walker) (Oak Knoll Ranger Station rd to Condrey Mt.) 1480 Comment
  UC1078807  Arceuthobium campylopodum Job Kuijt 1957-5-31 1277 Siskiyou ca 3 mi above West Branch Guard Station and Campground (on rd from Happy Camp to Caves Junction, Oregon) 914 Comment
  UC705583  Arceuthobium campylopodum Marion Ownbey, Fred G. Meyer 1940-7-6 2212 Siskiyou summit of Cayenne Ridge near Marble Mtn Comment
  HSC29239  Arceuthobium campylopodum Frederick W. Oettinger 1969-8-22 1509 Siskiyou Marble Mtn. Wilderness Area, just W of outlet and along shoreline of Horse Range Lake 1822 Comment
  SEINET2471352  Arceuthobium tsugense subsp. mertensianae R. L. Mathiasen 2007-9-18 2007 -50 Siskiyou 38.7 km N. of St. Rte. 96 on forest road 15N01 (near Rock Creek Butte) 1530 Comment
  CAS-BOT-BC102217  Arctium minus Louis C. Wheeler 1934-9-17 3276 Siskiyou Dutch Creek off Klamath River, Siskiyou Mts. 701 Comment
  CDA6783  Arctium minus R. E. Talbert 1959-9-4 Siskiyou South side Scott River, ca. 1.5 miles west-southwest of Ft. Jones. 0 Comment
  JEPS49476  Arctostaphylos nevadensis B. Wise Neilsen 1936-10-18 Siskiyou 2 mi nw Etna Mt.; Salmon Mt. Comment
  RSA211438  Arctostaphylos nevadensis William J. Ferlatte 1966-6-22 71 Siskiyou Josephine Lake basin; Trinity Alps. 1677 Comment
  RSA50235  Arctostaphylos nevadensis E. K. Balls 1949-7-9 13944 Siskiyou 10.3 miles from Etna on rd. to Sawyer's Bar. Summit of pass over Salmon Mts. 1479 Comment
  UC1483541  Arctostaphylos nevadensis Maralyn A. Renner 1980-9-9 2765 Siskiyou ridge to sw Medicine Mtn.; Klamath National Forest, Forks of Salmon Quad. 2057 Comment
  UCD52850  Arctostaphylos nevadensis Robert E. Preston 2001-6-23 1560 Siskiyou Klamath National Forest; north slope of Rainbow Mtn. 1767 Comment
  CAS-BOT-BC45414  Arctostaphylos nevadensis subsp. knightii Roger Raiche; Kurt Zadnik 1982-7-6 20558 Siskiyou Deadwood Lookout northwest of Yreka. 1676 Comment
  HSC69157  Arctostaphylos patula Maralyn A. Renner 1980-8-7 2394 Siskiyou Klamath National Forest, NW flank of Preston Peak, near summit 2180 Comment
  HSC91294  Arctostaphylos patula Jennifer Whipple 1976-7-1 1223 Siskiyou Wagon Creek drainage on E face of Mount Eddy 2226 Comment
  HSC92374  Arctostaphylos patula Jennifer Whipple 1976-7-2 1275 Siskiyou Dale Creek drainage on the N face of Mount Eddy 2195 Comment
  JEPS38800  Arctostaphylos patula Willis L. Jepson July 24 1894-August 10, 1894 14719 Siskiyou near Sisson; Region of the Upper Sacramento, Upton Comment
  JEPS38841  Arctostaphylos patula Willis L. Jepson July 1894 14722 Siskiyou near Mt. Shasta; Sisson Comment
  RSA15478  Arctostaphylos patula H. P. Bracelin 1936-4-15 830 Siskiyou N.E. slope of Mt. Eddy; 3 miles above Metcalf ranch house, 6 miles N.W. of Mt. Shasta City. 1341 Comment
  UC1005654  Arctostaphylos patula Frank W. Gould 1940-5-15 1245 Siskiyou n slope Goosenest Mountain 1524 Comment
  UC60989  Arctostaphylos patula Geo. B. Grant September 1902 5171 Siskiyou Sisson Mount Shasta 914 Comment
  RSA238585  Arctostaphylos patula Frederick W. Oettinger 1969-7-29 1100 Siskiyou Mt. Chaparral element due E. of Uncles Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1829 Comment
  RSA12620  Arenaria congesta C. B. Wolf 1934-7-5 5965 Siskiyou 3.6 miles from Dry Lake Lookout on road to Horse Creek, Siskiyou Mountains 1982 Comment
  UC454233  Arenaria congesta var. suffrutescens I. J. Condit 1911-7-28 Siskiyou Castle Lake 1981 Comment
  CDA34594  Arenaria kingii var. glabrescens M. Beyers, G. F. Hrusa 2010-8-18 706 Siskiyou Highway 3; +/- south of Callahan, just N of where Pacific Crest Trail intersects hwy. 1638 Comment
  SD113379  Arenaria nuttallii subsp. gregaria Darley F. Howe 1972-7-4 4868 Siskiyou Sanger Peak Road;Stony hilltop south of Del Norte; Siskiyou County marker on road to Youngs Valley. 1740 Comment
  UCR51822  Arenaria serpyllifolia L. C. Wheeler 1934-1-4 02641 Siskiyou Siskiyou Mtns, Ridge east of Nigger Gulch off Klamath River 1067 Comment
  UCD105962  Arenaria serpyllifolia var. serpyllifolia Jesse Miller 2010-1 s.n. Siskiyou Near Yreka.. 1219 Comment
  CAS-BOT-BC384755  Arenaria serpyllifolia var. serpyllifolia John Thomas Howell 1937-7-23 13351 Siskiyou South Fork of Salmon River near Big Flat 1524 Comment
  CAS-BOT-BC467187  Arenaria serpyllifolia var. serpyllifolia Roxana S. Ferris; Laura Lorraine 1948-6-12 11721 Siskiyou French Creek Logging Road west of Callahan 1219 Comment
  HSC61111  Arnica amplexicaulis Ruby Van Deventer 1955-8-5 Siskiyou Doe Flat; Forest Service Road 17N04, 1 mi. N of Doe Flat camp Comment
  CAS-BOT-BC82251  Arnica chamissonis Roxana S. Ferris; Laura Lorraine 1941-8-11 10499 Siskiyou Grass Lake Station, on U.S. Highway 97 1554 Comment
  UC1192167  Arnica chamissonis Calvin McMillan and Malcolm A. Nobs 1949-6-17 798 Siskiyou Highway 97 Grass Lake Comment
  UC1608321  Arnica chamissonis J. Kierstead 1990-8-23 90 -136 Siskiyou small sedge meadow associated with spring feeding Cold Creek; Shasta-Trinity National Forests, McCloud Ranger District 1615 Comment
  CAS-BOT-BC82550  Arnica discoidea Alice Eastwood 1912-7-23 1338 Siskiyou Cantara Comment
  UC1041024  Arnica discoidea J. W. Congdon 1900-8-16 Siskiyou Castle Lake Road Comment
  RSA237424  Arnica latifolia Frederick W. Oettinger 1969-8-6 1256 Siskiyou Tom's Lake Basin. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1890 Comment
  HSC46239  Arnica mollis J. P. Smith, J. O. Sawyer 1971-9-17 4778 Siskiyou Little Duck Lake Comment
  JEPS128462  Arnica mollis Julie Kierstead Nelson with Martin Lenz 2015-6-18 2015 -063 Siskiyou Headwaters of West Fork Parks Creek, 2 miles NNE of China Mountain; 7 miles W of town of Weed. Comment
  UC1409283  Arnica mollis Frederick W. Oettinger 1969-8-19 1470 Siskiyou .2 mi due ne of, (high lake basins in vicinity of English Peak) Charmaine Lake; Salmon Mountains, Marble Mountain Wilderness Area 1889 Comment
  SEINET5712781  Arnica mollis J. M. Tucker 1974-1 4322 Siskiyou Haypress Meadows, Marble Mountain Wilderness Area.; Marble Mountain Wild. Area 1463 Comment
  JEPS105131  Arnica ovata Dean W. Taylor 1996-7-11 15783 Siskiyou Scott Mountains; West Fork Parks Creek (about 15 air miles west of Weed & 1 air mile west of Stewart Springs); Shasta Trinity National Forests 1328 Comment
  JEPS50861  Arnica viscosa Al Hobart 1967-8-8 Siskiyou just s of, extreme w Siskiyou Co Youngs Valley; Siskiyou Mts., El Capitan 1828 Comment
  UCD56024  Arrhenatherum elatius S. D. Nelson 1947-5-24 s.n. Siskiyou Scott Valley. Comment
  UCD129192  Artemisia arbuscula subsp. longiloba Alfred H. Murphy 1961-7-19 61 B Siskiyou Marble Mtns. Klamath National Forest, ridge above Shadow Lake. 1950 Comment
  CHSC86655  Artemisia cana subsp. bolanderi Jenny Marr 1993-7-1 38 Siskiyou Butte Valley Wildlife Area, +/- 7 air miles NW of the town of MacDoel. Meadow NW of Meiss Lake. 1349 Comment
  CHSC71849  Artemisia douglasiana Vernon H. Oswald; Lowell Ahart 1998-9-8 9602 Siskiyou Julia Glover Flat on USFS 3 ca. 6 air mi west of Mosquito Lake and Whitehorse Flat Reservoir. 1112 Comment
  UC933414  Artemisia douglasiana Annie Alexander and Louise Kellogg 1948-9-6 5585 Siskiyou South Fork Salmon River Comment
  HSC5015  Artemisia tridentata subsp. tridentata R. C. Wunner 1965-8-26 481 Siskiyou Lava Beds N.M., N Prefab Indian Well 1433 Comment
  UC1736235  Aruncus dioicus var. pubescens Dean W. Taylor 1972-7-3 1583 Siskiyou Cook and Green Pass 1371 Comment
  CAS-BOT-BC447713  Aruncus dioicus var. vulgaris Dorothy Parker 1947-5-31 188 Siskiyou Kidder Creek, Scott Valley 853 Comment
  CAS-BOT-BC400700  Asarum hartwegii A. A. Heller 1905-6-5 7989 Siskiyou Plateau above Shasta Springs Comment
  SBBG30592  Asclepias cordifolia D. Myrick 1968-6-27 2041 Siskiyou trail to Lake Josephine above Carter's Ranch 5 mi S of Big Flat 1828 Comment
  UC705671  Asclepias cordifolia Marion Ownbey, Fred G. Meyer 1940-7-6 2202 Siskiyou Cayenne Ridge Marble Mountain Comment
  SEINET10829548  Asclepias cordifolia F. Marion Ownbey, D. H. Brown 1941-6-22 Ownbey 2423 Siskiyou Gravelly ridge W of Craggy Mountain, NW of Yreka Comment
  SEINET6833745  Asclepias cordifolia G. D. Butler 1910-5-23 1396 Siskiyou Humbug Mountain 1219 Comment
  SEINET7121401  Asclepias speciosa B. L. Wilson 2006-7-25 11946 Siskiyou Near spring on Forest Service road above Forest Mountain Summit 1265 Comment
  RSA401106  Asclepias speciosa B. C. Templeton 1957-6-23 s.n. Siskiyou North of Callahan on Hwy. 3 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-BC69552  Aspidotis densa Ira L. Wiggins 1955-7-27 13533 Siskiyou Caribou Lake, Salmon-Trinity Alps Primitive Area. 2042 Comment
  UC185224  Aspidotis densa Geo. D. Butler 1910-7-8 1670 Siskiyou Shackelford Creek Comment
  UCD137299  Aspidotis densa Louise Kellogg 5-7 Aug 1953 103 Siskiyou Scott Mountains, Klamath National Forest (11 miles east of Callahan on road to Gazelle, then south 5.8 miles on logging road); Cabin Meadow, 1 mile north of Cory Peak. 1844 Comment
  POM211775  Aster frondosus L. C. Wheeler 1934-10-14 3320 Siskiyou Shasta River, 2 miles below Yreka Creek 670 Comment
  UCD105521  Astragalus Geo. W. King 1926-4-25 s.n. Siskiyou Montague, thru Mt. Elwood. Comment
  CAS-BOT-BC177277  Astragalus accidens var. hendersonii L. E. Smith 1913-7-1 s.n. Siskiyou Hilt Comment
  CDA26664  Astragalus filipes L. Ahart, J. Dittes 2005-6-1 12092 Siskiyou North of the rock fence, about 150 yards southeast of the pump house along the Shasta River, about 1.9 miles (air) south of Highway 99/97 Cutoff, about 6 miles (air) east-southeast of Grenada. Comment
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Oct 5 2019
  JEPS107649  Astragalus filipes Lowell Ahart, John Dittes 2005-6-10 12092 Siskiyou Rocky hillside, north of the rock fence, about 150 yards southeast of the pump house along the Shasta River, about 1.9 miles (air) south of Highway 99/97 Cutoff, about 6 miles (air) east-southeast of Grenada 776 Comment
  SEINET7042832  Astragalus obscurus A. G. Vestal 1955-5-16 s.n. Siskiyou Serpentine ca. 6.2 miles northwest of Weed. Weed quadrangle UTM Zone 10, 543291mE, 4591309mN. Comment
  CAS-BOT-BC192968  Astragalus purshii var. purshii Copeland 1903-7-6 3557 Siskiyou Hornbrook Comment
  CAS-BOT-BC193062  Astragalus purshii var. tinctus Roxana S. Ferris; Laura Lorraine 1948-6-12 11710 Siskiyou Schoolhouse Hill, Plowman's Valley, [Noyes Valley], east fork of Scott River Comment
  CAS-BOT-BC193068  Astragalus purshii var. tinctus Roxana S. Ferris; Laura Lorraine 1948-6-12 11710 -A Siskiyou Schoolhouse Hill, Plowman's Valley [Noyes Valley], east fork of Scott River Comment
  CAS-BOT-BC516178  Astragalus purshii var. tinctus Dana York 2011-8-13 3069 Siskiyou Marble Mountain Wilderness: Klamath National Forest, 230 m WSW of Black Marble Mountain 2220 Comment
  UC862792  Astragalus whitneyi L. E. Smith 1913-7-2 Siskiyou Rainbow Comment
  CAS-BOT-BC199146  Astragalus whitneyi var. siskiyouensis John Thomas Howell; Alice Eastwood 1937-6-25 5019 Siskiyou Scott Mts. S of Callahan Comment
  JEPS82266  Astragalus whitneyi var. siskiyouensis Roger Raiche 1983-8-13 30596 Siskiyou summit area of Mt. Eddy 2743 Comment
  RSA237518  Athyrium americanum Frederick W. Oettinger 1969-8-22 1489 Siskiyou On the southeast bank of Horse Range Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1829 Comment
  RSA211515  Athyrium americanum William J. Ferlatte 1967-8-23 1097 Siskiyou Head of Kidd Creek. 2134 Comment
  UC1034072  Athyrium distentifolium var. americanum W. Bridge Cooke 1941-9-10 16313 Siskiyou Horse Camp Creek; Mt Shasta Comment
  UC399394  Athyrium distentifolium var. americanum C. G. Pringle Sept. 1882 Siskiyou Mt Shasta 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
  CHSC30  Athyrium filix-femina var. cyclosorum V. Holt 1932-7-20 Siskiyou Summer School meadow. 1097 Comment
  CDA2952  Atriplex heterosperma R. Pederson, G. Pederson 1979-9-26 111 Siskiyou Lower Klamath National Wildlife Refuge. Comment
  CAS-BOT-BC106546  Balsamorhiza deltoidea L. E. Smith 1914-4-25 641 Siskiyou Yreka Comment
  POM30828  Balsamorhiza deltoidea Geo. D. Butler 1910-4-16 1180 Siskiyou Klamath hills Comment
  SEINET7239737 Image available Balsamorhiza deltoidea G. D. Butler 1910-4-16 1180 Siskiyou Klamath Hills Comment
  SEINET193358  Balsamorhiza hookeri Unknown 1942-5-14 2919 Siskiyou One mile east of Yreka. 762 Comment
  CAS-BOT-BC106446  Balsamorhiza sericea Roxana S. Ferris; Laura Lorraine 1948-6-12 11713 Siskiyou Schoolhouse Hill Plowmans Valley (Noyes Valley), east fork of Scott River Comment
  HSC70596  Balsamorhiza sericea J. O. Sawyer, R. J. Cole 1981-7-2 4156 Siskiyou Near Scott Mountain Campground 1585 Comment
  UC796482  Balsamorhiza sericea Roxana S. Ferris and Laura Lorraine Jun 12 1948-Jun 16 1948 11713 Siskiyou Schoolhouse Hill, Plowman's Valley (Noyes Valley), e fork of Scott River Plowman's Valley (Noyes Valley), E. Fork of Scott River, Sch Comment
  CAS-BOT-BC16690  Barbarea orthoceras L. E. Smith 1914-5-5 653 Siskiyou Dunsmuir. Comment
  HSC61822  Barbarea orthoceras Ruby Van Deventer 1959-7-9 Siskiyou Poker Flat 1585 Comment
  RSA237403  Barbarea orthoceras Frederick W. Oettinger 1968-8-23 620 Siskiyou Due west of English Lake; Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1768 Comment
  UC1191424  Bassia hyssopifolia Verne Grant and Irving Schneider 1947-8-25 8280 Siskiyou w side Tule Lake; w side of Tule Lake Comment
  HSC73274  Berberis aquifolium var. repens M. A. Baker 1980-6-20 2185 Siskiyou Near Bald Mtn. 1036 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
  JEPS82698  Berberis nervosa Wayne Roderick 1984-6-7 Siskiyou sw Streart Springs (Cabin Meadow) 1935 Comment
  SEINET3151153  Berberis nervosa G. D. Butler 1910-5-5 1287 1/2 Siskiyou illegible Comment
  CAS-BOT-BC75920  Berberis piperiana Doris K. Kildale 1929-5-11 7714 Siskiyou Cecilville upper South Fork of Salmon River. Comment
  CAS-BOT-BC75932  Berberis piperiana Roxana S. Ferris; Laura Lorraine 1948-6-12 11814 Siskiyou At Mule Creek crossing of Scott Mountain Road. 1524 Comment
  CAS-BOT-BC75942  Berberis piperiana John Thomas Howell; T. C. Fuller; G. D. Barbe 1980-4-29 53430 Siskiyou Along East Fork Scott River 2 miles east of Callahan on road to Gazelle. 990 Comment
  CAS-BOT-BC76003  Berberis pumila G. P. Rixford s.n. Siskiyou South side Shaft rock Mountain. Hilt. Comment
  UCD127249  Berula erecta T. F. O' Sullivan 1935-9-10 s.n. Siskiyou Dorris. Comment
  RSA17903  Betula occidentalis W. R. Dudley 1899-8-8 s.n. Siskiyou Near Sisson. Comment
  CAS-BOT-BC413074  Bistorta bistortoides D. E. Breedlove 1962-6-11 3370 Siskiyou Along State Hwy. 89, 17.6 miles east of McCloud; Cascade Mts. 1219 Comment
  CAS-BOT-BC127940  Blepharipappus scaber Dr. E. B. Copeland 1903-7-3 3524 Siskiyou Klamathon Comment
  CAS-BOT-BC127950  Blepharipappus scaber J. J. Walters 1936-5-30 s.n. Siskiyou Bogus Creek, one mile above its confluence with the Klamath River Comment
  CHSC60597  Blepharipappus scaber L. P. Janeway 1984-6-22 871 Siskiyou About 1 mi north of Scott Summit on Rd 40N08. 1645 Comment
  UC894105  Blepharipappus scaber Alice Eastwood 1912-7-20 1252 Siskiyou Hornbrook Comment
  POM31556  Blepharipappus scaber Geo. D. Butler 1910-5-17 1355 Siskiyou Yreka. Comment
  CAS-BOT-BC16872  Boechera R. C. Wenk 2005-7-19 329 Siskiyou Along Pacific Crest Trail, near top of pass below Mount Eddy. 2438 Comment
  JEPS82691  Boechera breweri Steve Edwards 1984-6-7 Siskiyou South China Mtn. 2286 Comment
  UC1409482  Boechera breweri Frederick W. Oettinger 1969-7-15 1026 Siskiyou between Diamond Lake and Upper English Lake (w Siskiyou County); Salmon Mountains, Marble Mountain Wilderness Area, English P 2011 Comment
  CAS-BOT-BC16149  Boechera covillei R. E. Frenkel 1963-7-13 248 Siskiyou Mount Shasta, vicinity of rain guage below Horse Camp. 2255 Comment
  LA204396  Boechera howellii Wm. Bridge Cooke; 1939-7-26 13773 Siskiyou Mount Shasta, along the Summit Trail below Lake Helen 2895 Comment
  JEPS53135  Boechera platysperma Willis L. Jepson 1894-8-4 59 b Siskiyou Horse Camp Mt. Shasta Comment
  SEINET12627114 Image available Boechera retrofracta Martin Schilling 2013-1 MS 310 Siskiyou NW side of Mt Eddy, on rocky outcrops just below Deadfall Lakes, ca 1.5 air mi from peak 2138 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
  CAS-BOT-BC25691  Boechera sparsiflora John Thomas Howell 1937-7-26 13567 Siskiyou Salmon River Canyon. Between Big Flat and Caribou Gulch. Comment
  CAS-BOT-BC25929  Boechera suffrutescens John Thomas Howell 1937-7-24 13379 Siskiyou Salmon-Trinity Alps. Caribou Basin. 2286 Comment
  CHSC88370  Bolboschoenus maritimus subsp. paludosus Jenny Marr 1993-7-1 176 Siskiyou Butte Valley Wildlife Area, +/- 7 air miles NW of the town of MacDoel. Meadow NW of Meiss Lake. 1349 Comment
  UC1475116  Botrychium pinnatum Donald Burk 1993-9-7 Siskiyou ca. 3/4 mi e Gray Butte radio facilities (between confluence of 2 streams); s slope Mt. Shasta 1950 Comment
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Apr 20 2012
  CAS-BOT-BC418463  Boykinia major Alice Eastwood; John Thomas Howell 1937-6-26 5066 Siskiyou Near Forks of Salmon Comment
  CHSC30650  Boykinia major M. S. Taylor 1980-7-8 3105 Siskiyou On nw side of Castle Lake. 1615 Comment
  HSC101473  Boykinia major J. P. Smith, J. O. Sawyer 2011-7-21 13039 Siskiyou Near Dillon Camp 1358 Comment
  RSA211105  Boykinia major William J. Ferlatte 1966-8-17 395 Siskiyou Caribou Basin; Trinity Alps 1982 Comment
  RSA238308  Boykinia major Frederick W. Oettinger 1968-8-15 525 Siskiyou E bank of Hancock Lake. Salmon Mtns. High Lake Basins in the vicinity of English Peak. Marble Mtn Wilderness Area. 1936 Comment
  RSA466748  Boykinia major M. B. Dunkle 1945-07 9258 Siskiyou Klamath National Forest; Marble Mts. Comment
  RSA12508  Boykinia occidentalis Carl B. Wolf 1934-7-4 5928 Siskiyou 0.7 mi. below mouth of Dillon Creek, Klamath River. 244 Comment
  HSC29195  Brickellia grandiflora Frederick W. Oettinger 1968-8-23 611 Siskiyou The High Lake Basins near English Peak, Marble Mountain Wilderness Area; cliff base ENE of Diamond Lake 2058 Comment
  RSA593950  Brickellia greenei L. C. Wheeler 1963-8-30 8309 Siskiyou Siskiyou Mountains. Mouth of Preston Creek at Clear Creek. 792 Comment
  SEINET5707333 Image available Brickellia greenei Lowell E. Urbatsch, Vesna Karaman, Castro 2000-1 7693 Siskiyou Scott Mts. Collected along Road 17, 8.8 mi. SW from the intersection of I-5 and Stewart Spring Rd.; Scott Mountains 1586 Comment
  POM147663  Brickellia greenei Alice Eastwood 1912-8-30 2093 Siskiyou Mount Eddy Comment
  HSC44873  Brodiaea elegans subsp. elegans J. P. Smith, Steve Selva 1970-6-14 3869 Siskiyou Comment
  CAS-BOT-BC144103  Bromus Melissa A. Berry 1957-7-4 s.n. Siskiyou High CCC Road, south of Highway 96, between Ridge and Humbug roads. 1371 Comment
  JEPS69188  Bromus hordeaceus Geo. D. Butler 1909-5-26 819 Siskiyou field near Yreka Comment
  CAS-BOT-BC162473  Bromus laevipes Lewis S. Rose 1945-6-18 45087 Siskiyou Horse Creek & Klamath River. 502 Comment
  UCD58887  Bromus laevipes Lewis S. Rose 1945-6-18 45087 Siskiyou Horse Creek and Klamath River. 502 Comment
  CAS-BOT-BC162137  Bromus orcuttianus W. R. Dudley 1899-8-15 s.n. Siskiyou Toward Black Fox Mountain. Comment
  HSC101844  Bromus sterilis J. P. Smith, J. O. Sawyer, R. J. Cole 2011-5-22 13172 Siskiyou Along road from Cecilville to Forks of Salmon 743 Comment
  UC1495324  Bromus suksdorfii Robert T. Clausen and Harold Trapido 1940-7-26 4950 Siskiyou Mount Shasta, along e side of canyon of Mud Creek, Sacramento River Basin Mount Shasta; Pacific Slope, S Cascade Mountains, Sacramento River Basin 1584 Comment
  CAS-BOT-BC185603  Bromus tectorum Lewis S. Rose 1945-6-18 45075 Siskiyou Horse Creek & Klamath River. 502 Comment
  HSC69271  Bromus vulgaris Maralyn A. Renner 1980-7-24 1996 Siskiyou Pacific Crest Trail above Lily Pad Lake. 1799 Comment
  UC1190230  Bromus vulgaris Ira L. Wiggins 1955-7-29 13590 Siskiyou 3.5 mi above South Fork Salmon River (along Thompson Creek); Thompson Creek 1371 Comment
  UCD60239  Bromus vulgaris Robert E. Preston 2001-7-20 1688 Siskiyou Rainbow Mountain and Vicinity. Klamath National Forest, north slope of Rainbow Mountain, N of Hemlock Lake. 1731 Comment
  UCD60248  Bromus vulgaris R. Tofsrud 1948-8-1 s.n. Siskiyou : Near summit of road from Happy Camp to O'Brien, Oregon. Comment
  HSC65360  Cacaliopsis nardosmia Rich White 1978-7-3 215 Siskiyou Saddle in Spur Ridge between Dillon Trail and 5759 1662 Comment
  HSC23101  Calamagrostis breweri J. O. Sawyer 1969-8-5 1755 Siskiyou W of Little Duck Lake 2073 Comment
  SEINET10520765  Calamagrostis canadensis Louis C. Wheeler 1935-7-26 Wheeler 3716 Siskiyou Wet sunny meadow. Jaynes Canyon, Siskiyou Mts. T47N R10W S12. Mt. Diablo Mer. 1951 Comment
  HSC24229  Calamagrostis koelerioides J. O. Sawyer 1969-8-4 1880 Siskiyou SE slope above S Sugar Lake 2165 Comment
  UC1495303  Calamagrostis purpurascens Robert T. Clausen and Harold Trapido 1940-7-27 4972 Siskiyou w side of creek about 4 mi nne summit of Mt. Shasta; So. Cascade Mts., Sacramento River Basin, Mountainhouse Cree 2133 Comment
  OBI55489  Calocedrus decurrens David J. Keil 1992-7-20 23512 Siskiyou Etna 1000 Comment
  HSC77084  Calochortus coeruleus K. T. Stillman 1978-6-17 10 Siskiyou Marble Mtn. Wilderness Area, Elk Valley 1768 Comment
  UC1299340  Calochortus elegans Freed W. Hoffman 1950-7-13 3766 Siskiyou Baldy Lookout, w Siskiyou County Baldy Lookout Comment
  HSC30654  Calochortus elegans var. nanus Frederick W. Oettinger 1969-7-10 951 Siskiyou Marble Mtn. Wilderness Area, NW of Lower English Lake 1768 Comment
  SEINET12045296  Calochortus elegans var. nanus M. Ownbey, Brown, D. H. 1941-1 2429 Siskiyou near Gunsight Peak, mountains W of Yreka Comment
  SEINET5078371  Calochortus greenei Unknown 1995-7-1 25 Siskiyou near Table Mountain; east of Yreka, CA Comment
  SEINET8233948  Calochortus macrocarpus Frank Callahan 1993-9-7 Siskiyou County Rd. A-12; JUNIPER FLAT 7.5' QUAD 840 Comment
  HSC15365  Calochortus macrocarpus var. macrocarpus R. C. Wunner 1965-7-20 402 Siskiyou Lava Beds National Monument, Indian Wells near N prefab 1433 Comment
  CAS-BOT-BC493096  Calochortus nudus A. A. Heller 1915-7-15 12100 Siskiyou Mt. Eddy in open swampy places in the forest 1371 Comment
  RSA0120948  Caltha biflora G. D. Barbe 1955-7-6 124 Siskiyou SE end of Taylor Lake, Salmon Mtns. 1951 Comment
  CAS-BOT-BC181515  Caltha leptosepala H. A. Thomas; J. H. Thomas 1954-7-24 4498 Siskiyou Vicinity of Rush Lake and Rush Creek Meadow, about 9 miles E of Cecilville, Salmon - Trinity Mts. 1981 Comment
  CAS-BOT-BC273391  Calycadenia fremontii David D. Keck 1938-8-7 4851 Siskiyou Schoolhouse Hill, 5.5 m. NE of Callahan, on road to Gazelle 1100 Comment
  SEINET7096759  Calyptridium monandrum A. G. Vestal 1955-5-16 s.n. Siskiyou Open pine country just west of Weed between tail road and highway 99 (I 15). NAD27, 41? deg. 25' 49ao, -122?_ 24' 09ao (converted to WGS84 decimal degrees) UTM Zone 10, 549920mE, 4586493mN. Comment
  JEPS17236  Calyptridium umbellatum W. L. Jepson 1940-6-27 20032 Siskiyou Mount Shasta, e slope Mount Shasta 1828 Comment
  JEPS52507  Calyptridium umbellatum Geo. D. Butler 1908-8-3 207 Siskiyou near Log Lake (Shackelford Creek); Shackelford Creek 1524 Comment
  HSC99980  Calystegia occidentalis subsp. occidentalis Thomas W. Nelson 2005-7-16 9380 Siskiyou Along F. S. Rd. 42N16. 1337 Comment
  CAS-BOT-BC497584  Camassia quamash subsp. breviflora Geo. D. Butler 1909-6-22 890 Siskiyou Goosenest foothills Comment
  POM109509  Camassia quamash subsp. breviflora Geo D. Butler 1909-6-22 891 Siskiyou Goose nest meadows 1524 Comment
  CAS-BOT-BC37000  Camelina microcarpa Carl B. Wolf 1934-7-6 5977 Siskiyou Southwest slope of Mount Shasta. 0.25 mile east of Mount Shasta City. 1097 Comment
  CAS-BOT-BC36998  Camelina microcarpa Bellue 1933-7-1 s.n. Siskiyou Dunsmuir and Yreka. Comment
  CAS-BOT-BC36999  Camelina microcarpa Brandegee s.n. Siskiyou Unspecified. Comment
  CAS-BOT-BC160896  Camissonia tanacetifolia subsp. tanacetifolia Peter H. Raven 1962-5-30 17898 Siskiyou U. S. Highway 97, 4.4 miles south of Dorris Comment
  SEINET3142707  Campanula prenanthoides G. D. Butler 1910-8-7 1815 Siskiyou Humbug Mountain 1219 Comment
  SEINET10463109  Campanula prenanthoides Kildale 1928-8-18 KILDALE 6466 Siskiyou Head of North Fork of Salmon River at Finley's Upper Camp Comment
  SEINET10463113  Campanula prenanthoides Willis L. Jepson 1914-8-14 Jepson 6172 Siskiyou DUNSMUIR 671 Comment
  SEINET10463143  Campanula prenanthoides Life 1923-8-6 LIFE s.n. Siskiyou SHASTA SPRINGS Comment
  SEINET10463177  Campanula prenanthoides Heckard 1969-7-25 HECKARD 2313 Siskiyou NR FALL CREEK INN ALONG GILMAN RD., BTWN SACRAMENTO & MCCLOUD ARMS OF SHASTA LAKE, 1300 Comment
  JEPS97192  Campanula rotundifolia Julie Kierstead Nelson with Maria Ulloa-Cruz 1995-8-22 95044 Siskiyou 1 1/2 mi W of The Eddys (on Parks Creek Road (Rd. 17); W slope of Parks Creek drainage); Shasta-Trinity National Forests, Mt. Shasta Ranger District 1737 Comment
  POM259605  Campanula rotundifolia J. T. Howell 1939-8-4 15046 Siskiyou Marble Rim, Marble Mts 1890 Comment
  RSA22036  Campanula rotundifolia J. T. Howell 1939-8-4 15046 Siskiyou Marble Rim, Marble Mts 1890 Comment
  RSA456192  Campanula scouleri M. B. Dunkle 1944-7-18 9148 Siskiyou Siskiyou National Forest Comment
  POM255804  Campanula scouleri Marion Ownbey, Ruth Ownbey 1938-7-19 1757 Siskiyou Near Deer Camp, Siskiyou Mtns Comment
  UC1258470  Campanula scouleri John Palmer 1980-8-12 751 Siskiyou road from Beaver Creek Road to Bearground Spring; Condry Mtn. Quad. 1341 Comment
  CAS-BOT-BC266466  Campanula wilkinsiana C. Edward Graves 1944-8-28 s.n. Siskiyou Panther Meadows, Mount Shasta Comment
  JEPS74417  Campanula wilkinsiana W. J. Ferlatte 1967-8-22 1099 Siskiyou Kidd Creek Trail; Trinity Alps 2133 Comment
  JEPS109882  Cardamine bellidifolia var. pachyphylla Dean W. Taylor 2005-8-18 19468 Siskiyou Dry Creek Peak, cirque on north face at headwaters Antelope Creek 1950 Comment
  CAS-BOT-BC37797  Cardamine nuttallii Ira L. Wiggins 1950-5-28 12375 Siskiyou On ridge between Carmen Lake and headwaters of Grouse Creek. 1798 Comment
  HSC39336  Carex amplifolia J. O. Sawyer 1969-7-11 861 Siskiyou Ravine above C.C.C. road. 1280 Comment
  UC1195514  Carex angustata Geo. D. Butler 1909-6-22 855 Siskiyou Goosenest foothills Comment
  CAS-BOT-BC17963  Carex angustata William J. Ferlatte 1974-7-26 1594 Siskiyou Trinity Alps. Big Flat, near South Fork of Salmon River. Bottom of meadow west of campground. 1508 Comment
  HSC48639  Carex aquatilis D. H. Norris May 1970 12267 Siskiyou Haypress Meadows, Marble Mtn. Wilderness Area Comment
  CHSC98565  Carex athrostachya Thomas W. Nelson; Jane P. Nelson 1984-7-28 7705 Siskiyou Along west edge of Gumboot Lake. 1859 Comment
  UCD77479  Carex athrostachya Robert E. Preston 2001-6-30 1656 Siskiyou Klamath National Forest, Hemlock Lake. 1889 Comment
  SEINET10644707  Carex athrostachya Edwin B. Copel 1903-9-7 Copeland 3866 Siskiyou Mt. Eddy. 2134 Comment
  UCD140137  Carex athrostachya Herbert L. Mason 1948-7-18 13610 Siskiyou Grass Lake. Comment
  CHSC52743  Carex bolanderi L. P. Janeway 1983-5-28 314 Siskiyou Drainage ditch along Road 44N45 ca 1/2 mi SW of Indian Scotty Campground. 822 Comment
  HSC37157  Carex bolanderi J. O. Sawyer 1969-7-23 1443 Siskiyou Near N Horse Range Creek, along C.C.C. road. 1341 Comment
  HSC39846  Carex bolanderi J. O. Sawyer 1969-7-26 1574 Siskiyou SE facing slope near S Sugar Creek 1700 Comment
  UC1265324  Carex brainerdii Frederick W. Oettinger 1969-8-3 1146 Siskiyou above English Lake; Salmon Mountains, Marble Mountain Wilderness Area 1828 Comment
  SD71330  Carex breweri B. B. Chistman 1966-7-4 Siskiyou Mt. Shasta. 3657 Comment
  SEINET10648318  Carex breweri Charles F. Baker 1903-7-16 Baker 3517 Siskiyou Mount Shasta. 3170 Comment
  RSA91634  Carex deflexa var. boottii J. T. Howell 1937-7-25 13486 Siskiyou Caribou Basin, Salmon-Trinity Alps. 1982 Comment
  POM80849  Carex feta Geo D. Butler 1910-7-15 1785 Siskiyou Oro Fino Comment
  SEINET11309789 Image available Carex fracta Unknown 2009-1 24603 Siskiyou Near top of Road A10 (Everett Memorial Highway), S slope of Mt. Shasta. Cascade Range Highlands (CaRH). Comment
  RSA237276  Carex fracta Frederick W. Oettinger 1969-8-16 1393 Siskiyou SW of Wiregrass Meadow below English Lake. Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1677 Comment
  HSC91192  Carex geyeri Jennifer Whipple 1976-6-18 1037 Siskiyou Slopes near Little Crater Lake 2195 Comment
  JEPS105023  Carex gigas Dean W. Taylor 1996-7-26 15838 A Siskiyou Scott Mountains; Crater Lake, in cirque above upper lake (about 10 air mi W of Weed); Klamath National Forest; Klamath Region 2316 Comment
  JEPS88990  Carex gigas Julie Kierstead 1991-7-2 91096 Siskiyou 10 mi w of city of Mount Shasta (Mt. Shasta Ranger District, upper end of Fawn Creek Meadow); Shasta-Trinity National Forests, Mt. Shasta Ranger District 1828 Comment
  HSC48021  Carex globosa D. H. Norris 1972-6-11 22844 Siskiyou Along Duck Lakes trail near Parrott's Mill Road 1677 Comment
  JEPS95092  Carex halliana Vernon Oswald and Lowell Ahart 1997-7-28 8798 Siskiyou s of Schonchin Spring Campground at Medicine Lake Medicine Lake 2057 Comment
  UCD140363  Carex halliana S. S. Tillett 1956-7-11 690 Siskiyou Siskiyou - Trinity County: County line, north side Scott Mountain divide near campground; ca. 8 miles SE of Callahan. 1615 Comment
  SEINET12649458 Image available Carex hassei Peter F. Zika, Barbara Wilson 2011-1 25675 Siskiyou 1700 Comment
  SEINET7561745 Image available Carex hoodii L. P. Janeway 2006-7-1 8720 Siskiyou Deadman Peak 7.5' quad. Klamath Ranges. Salmon Mountains, just west of Carter Meadow, north side of South Fork Salmon River. 1579 Comment
  RSA0069322  Carex inops subsp. inops Dean Wm. Taylor 2014-5-29 21481 Siskiyou Mt. Shasta; southeastern flank of the base of the mountain, Squaw Valley Creek watershed. 1664 Comment
  CAS-BOT-BC7658  Carex integra Arthur Menzies 1962-7-21 13253 Siskiyou Morgan Meadows, base of Mt. Eddy. 1706 Comment
  HSC97429  Carex integra Jennifer Whipple 1977-7-21 2013 Siskiyou Near Durney Lake 2073 Comment
  RSA577790  Carex jonesii L. C. Wheeler 1935-7-26 3720 Siskiyou Siskiyou mountains: Jaynes Canyon 1951 Comment
  RSA237277  Carex laeviculmis Frederick W. Oettinger 1969-8-4 1179 Siskiyou Just north of Tobacco Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1890 Comment
  SEINET7564598 Image available Carex lenticularis var. impressa L. P. Janeway 2003-8-9 7957 Siskiyou Klamath Ranges. Siskiyou Mountains, west side of Echo Lake, between Cook and Green Pass and Red Butte. Kangaroo Mtn 7.5' quad. 1664 Comment
  CAS-BOT-BC31631  Carex luzulina var. ablata William Bridge Cooke 1939-7-7 13619 Siskiyou In the Sedge Swamp at Wagon Camp. 1737 Comment
  HSC76389  Carex mendocinensis L. P. Janeway 1982-6-22 19 Siskiyou 400 m NE of West Branch Guard Station along the road into Indian Creek, near small creek crossing 671 Comment
  SEINET7567163 Image available Carex mertensii Ray Tallent 1987-8-12 900 Siskiyou Klamath National Forest, Long Gulch Lake, near where creek exits lake. 1939 Comment
  JEPS84171  Carex microptera L. R. Heckard with S. D'Alcamo, J. Hickman, S. Winchester 1986-7-16 6436 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-BC31838  Carex microptera William Bridge Cooke 1939-7-21 13732 Siskiyou In small bog around lower Wagon Camp Springs. 1737 Comment
  CAS-BOT-BC32006  Carex multicaulis Elmer Ivan Applegate 1895-5-28 784 Siskiyou Sisson, Strawberry Valley. Comment
  CAS-BOT-BC32011  Carex multicaulis Gote Wilhelm Turesson; Carl Gustav Alm 1938-7-19 503 Siskiyou Mt. Shasta, southern slope. 2743 Comment
  JEPS63685  Carex multicaulis W. L. Jepson July, 1894 52 a Siskiyou Upton Comment
  CDA33113  Carex multicaulis T. C. Fuller 1962-6-11 8963 Siskiyou East side of Hwy 99 to Black Butte Summit, 4.1 miles south of Weed. 0 Comment
  HSC37147  Carex multicaulis J. O. Sawyer 1969-6-11 822 Siskiyou Near C.C.C. road, in Horse Range Creek drainage 1360 Comment
  CAS-BOT-BC23423  Carex multicostata John Thomas Howell 1937-7-24 13429 Siskiyou Caribou Basin, Salmon-Trinity Alps 2286 Comment
  CHSC40165  Carex nudata L. P. Janeway 1984-6-22 865 Siskiyou Along the East Fork Scott River at the Hwy 3 bridge just east of Callahan. 987 Comment
  UC194551  Carex nudata Geo. D. Butler 1910-7-6 1646 Siskiyou Shackleford Creek 914 Comment
  CAS-BOT-BC119464  Carex nudata C. F. Baker 1903-7-4 3541 Siskiyou Klamathon Comment
  POM80405  Carex nudata E. B. Copeland 1903-7-4 3541 Siskiyou Klamathon Comment
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Jan 23 2011
  CAS-BOT-BC31055  Carex pachycarpa K. T. Stillman 1976-7-14 231 Siskiyou Scott Bar quad. Marble Mountain Wilderness Area. 1950 Comment
  SEINET8275557  Carex pellita Elmer I. Applegate 1895-5-28 787 Siskiyou Sacramento River below Sisson Comment
  CAS-BOT-BC118573  Carex praegracilis Alice Eastwood; John Thomas Howell 1936-6-13 2748 Siskiyou 6 miles N of Weed Comment
  CHSC106709  Carex preslii Barbara Ertter 1990-7-14 9317 Siskiyou E side Mt Eddy ca 4 airmiles due W of Mt Shasta City, at streamlet near end of FR 41N53 ca 1 mi N of Morgan Meadows, steep E-facing serpentine hillside. 1676 Comment
  UC1540261  Carex raynoldsii Dean W. Taylor 1987-6-26 9064 Siskiyou 2 mi se Medicine Lake (near head of easternmost spring); Paynes Springs 1996 Comment
  CAS-BOT-BC118214  Carex rossii L. P. Janeway 1983-8-27 621 Siskiyou Preston Peak quad, Along the Twin Valley-Poker Flat trail. 1676 Comment
  CAS-BOT-BC117907  Carex scabriuscula John Thomas Howell 1937-7-29 13673 Siskiyou North side of Scott Mt. Comment
  CAS-BOT-BC117909  Carex scabriuscula L. P. Janeway 1983-8-27 623 Siskiyou Twin Valley lower meadow near trail, on W side of creek. 1493 Comment
  HSC30526  Carex scopulorum Frederick W. Oettinger 1968-9-5 710 Siskiyou Marble Mtn. Wilderness Area, S end of Diamond Lake 2073 Comment
  HSC91264  Carex scopulorum Jennifer Whipple 1977-8-6 2213 Siskiyou Mt. Eddy, SW of Dobkins Lake along drainage into the lake 2195 Comment
  HSC96570  Carex scopulorum var. bracteosa Gordon Leppig, J. Kalt 1996-7-9 388 Siskiyou Klamath National Forest, Russian Wilderness, cirque W of Little Duck Lake 2200 Comment
  CAS-BOT-BC117247  Carex spectabilis John Thomas Howell 1937-7-24 13434 Siskiyou Caribou Basin, Salmon-Trinity Alps. 2286 Comment
  CAS-BOT-BC117257  Carex spectabilis John Thomas Howell 1939-8-9 15232 Siskiyou Ridge South of Marble Valley, Marble Mts. Comment
  HSC265  Carex spectabilis William J. Ferlatte 1967-8-21 1066 Siskiyou Sawtooth Ridge between Caribou Basin and Little S Fork Lake 2287 Comment
  HSC39298  Carex spectabilis J. O. Sawyer 1969-7-24 1494 Siskiyou SW of Sugar Lake 1890 Comment
  UC1265453  Carex spectabilis Frederick W. Oettinger 1969-9-2 1602 Siskiyou above Tom Taylor Cabin (Bear Meadow); Salmon Mountains, Marble Mountain Wilderness Area 2164 Comment
  RSA238924  Carex spectabilis Frederick W. Oettinger 1968-9-9 796 Siskiyou Above pond north of Tom s Lake. Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2012 Comment
  CAS-BOT-BC117344  Carex stipata William Bridge Cooke 1940-6-8 15121 Siskiyou In meadow in Mount Shasta City. 1082 Comment
  POM79940  Carex straminiformis E. B. Copeland 1903-8-16 3893 Siskiyou Mt. Shasta. 2439 Comment
  CAS-BOT-BC115835  Carex subfusca John Thomas Howell 1937-7-29 13626 Siskiyou Scott Mt. between Trinity and Siskiyou Cos. Comment
  CAS-BOT-BC115849  Carex subfusca William Bridge Cooke 1938-9-17 11690 Siskiyou Mt Shasta Spring. 2438 Comment
  CAS-BOT-BC115859  Carex subfusca Louis C. Wheeler 1934-6-22 2754 Siskiyou Cottonwood Creek. 914 Comment
  JEPS84065  Carex subfusca L. R. Heckard with J. Hickman et al. 1986-7-17 6526 Siskiyou Oak Knoll Road to Condrey Mt. (near small Dry Lake, n of Hwy. 96 (Walker)) Comment
  UC822440  Carex subfusca John Thomas Howell 1939-8-3 15004 Siskiyou Spirit Lake Marble Mts. 1828 Comment
  SEINET7577153 Image available Carex subfusca Frederick W. Oettinger 1969-8-10 1464 Siskiyou Plants of the Salmon Mountains. Between King David Peak and Abbotts Basin. 1859 Comment
  JEPS121616  Carex utriculata Danielle Roach 2011-9-13 Siskiyou Bogbean Fen, Caldwell Lakes Basin, headwaters of Parks Creek, east slope of China Mountain. Abundant in flat fen, over gabbro. China Mountain quadrangle. CLB_A Comment
  CAS-BOT-BC115165  Carex vesicaria James D. Jokerst 1983-7-5 1829 A Siskiyou Atkin's Meadow in a low lying area near the Lodgepole Pine Forest at the Meadow's NE corner. Comment
  CAS-BOT-BC114816  Carex whitneyi Alice Eastwood 1921-7-28 10941 Siskiyou Medicine Lake Comment
  CHSC592  Cassiope mertensiana V. Holt 1932-7-10 Siskiyou Mt. Eddy. 2438 Comment
  RSA238340  Cassiope mertensiana subsp. ciliolata Frederick W. Oettinger 1968-8-1 336 Siskiyou Inlet stream to Little Hancock Lake as it passes through a wet boreal meadow just So. of the lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2043 Comment
  HSC19023  Castilleja applegatei J. O. Sawyer 1969-6-12 920 Siskiyou Along C.C.C. road just S of Sugar Creek 1463 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
  CAS-BOT-BC241142  Castilleja applegatei subsp. pinetorum Donald Myrick 1961-6-19 267 Siskiyou Near Mt. Shasta City Comment
  HSC72576  Castilleja applegatei subsp. pinetorum J. P. Smith 1976-5-5 8702 Siskiyou Road between Forks of Salmon and Somes Bar. 366 Comment
  JEPS23766  Castilleja applegatei subsp. pinetorum Rimo Bacigalupi with Drs. Reino and Aloha Alava 1958-9-1 6785 Siskiyou a little above and e McBride Springs (s slopes of Mt. Shasta); Mt. Shasta 1432 Comment
  UC585187  Castilleja applegatei subsp. pinetorum E. B. Babcock, G. L. Stebbins Jr. 1936-6-13 1988 Siskiyou about 1.5 mi w Mt. Shasta City (e and ne slope of spur of Rainbow Ridge, above Sulloway Creek); Rainbow Ridge 1188 Comment
  CAS-BOT-BC241148  Castilleja applegatei subsp. pinetorum Ella Dales Cantelow 1940-6-2 4381 Siskiyou W. of Indian Wells Ranger St. on rd. to Tenet Comment
  CAS-BOT-BC243753  Castilleja applegatei var. pinetorum David D. Keck 1938-8-8 4873 Siskiyou At Trinity Co. line, Scott Mountain Divide, between Scott Mtn. and Craggy Peak 1676 Comment
  JEPS6841  Castilleja arachnoidea H. A. Thomas and J. H. Thomas 1954-7-24 4481 Siskiyou about 9 mi e Cecilville (vicinity of Rush Lake and Rush Creek Meadow); Salmon-Trinity Mts., Rush Lake, Rush Creek Meadow 1828 Comment
  UC1408796  Castilleja arachnoidea Robert F. Thorne and Fred Oettinger 1969-8-10 39007 Siskiyou s slope Mt. Shasta (slopes above ski-lodge); Mt. Shasta National Forest 2377 Comment
  HSC61964  Castilleja arachnoidea Al Hobart Siskiyou Preston Peak 2073 Comment
  HSC76912  Castilleja arachnoidea K. T. Stillman 1976-6-26 124 Siskiyou Marble Mtn. Wilderness Area, near Bear Lake. 1829 Comment
  POM15507  Castilleja arachnoidea Geo. D. Butler 1910-7-8 1684 Siskiyou Shackleford Creek. 1829 Comment
  RSA142601  Castilleja arachnoidea subsp. shastensis P. A. Munz 1960-8-22 24186 Siskiyou Panther Meadows, Mt. Shasta. 2530 Comment
  JEPS9986  Castilleja attenuata Geo. D. Butler 1909-5-22 717 Siskiyou near Yreka Comment
  CHSC88112  Castilleja lacera Jenny Marr 1993-7-1 122 Siskiyou Butte Valley Wildlife Area, +/- 7 air miles NW of the town of MacDoel. Meadow NW of Meiss Lake. 1349 Comment
  HSC36883  Castilleja lacera J. P. Smith 1974-5-26 7527 Siskiyou On Hwy. 3, 0.5 mi. NE of Fort Jones 854 Comment
  CAS-BOT-BC254012  Castilleja miniata Geo. D. Butler 1909-6-23 929 Siskiyou Goosenest foothills Comment
  CAS-BOT-BC254018  Castilleja miniata Alice Eastwood 1917-9-2 6669 Siskiyou Shasta Springs Comment
  CAS-BOT-BC254105  Castilleja miniata Maxine Wilkes 1940-8-1 s.n. Siskiyou Deep Lake, Marble Mts. Comment
  JEPS1756  Castilleja miniata Freed Hoffman 1951-7-12 4046 Siskiyou about 8 mi above Scott River (Hammonds Stock-raising Camp, on Kelsey Creek); Marble Mountains, Kelsey Creek 1524 Comment
  JEPS84869  Castilleja miniata Steve Morgan 1987-7-28 Siskiyou 5 mi nw McCloud (s of Mt. Shasta, McGinnis Springs); Shasta-Trinity National Forest, McGinnis Springs 1767 Comment
  CAS-BOT-BC254020  Castilleja miniata Doris K. Kildale 1928-8-20 6637 Siskiyou Head of north fork of Salmon River at Finley's Apple Camp 1524 Comment
  HSC72413  Castilleja miniata J. P. Smith, Steve Selva 1970-7-27 4523 Siskiyou Gumboot Lake 1768 Comment
  JEPS9763  Castilleja miniata Willis L. Jepson Jul 24 1894-Aug 10 1894 21479 Siskiyou n of Sisson (on old stage road); Upper Sacramento Region Comment
  POM15492  Castilleja miniata Geo. D. Butler 1909-6-23 929 Siskiyou Goosenest. Comment
  SBBG25941  Castilleja miniata subsp. miniata D. Myrick 1966-8-12 1544 Siskiyou Big Flat, Mountain Meadow Ranch; Trinity Alps 1676 Comment
  RSA0005952  Castilleja pinetorum var. fragilis E. B. Copeland 1903-8-14 3883 Siskiyou Sisson. Comment
  HSC19019  Castilleja pruinosa J. O. Sawyer 1969-7-9 1243 Siskiyou W facing slope above Bingham Lake 2317 Comment
  UC163706  Castilleja pruinosa Geo. D. Butler 1910-5-23 1388 Siskiyou Humbug Mountain 1219 Comment
  CAS-BOT-BC241085  Castilleja schizotricha G. J. Muth 1969-8-6 1209 Siskiyou Boulder Peak 2529 Comment
  JEPS68264  Castilleja tenuis L. R. Heckard 1972-5-31 2938 Siskiyou about 2 mi e Gazelle (on road to Weed) Comment
  CHSC1498  Ceanothus cordulatus V. Keeler 1935-5-9 Siskiyou Near Mt. Shasta City. 1097 Comment
  SEINET3110808  Ceanothus cuneatus Steve Selva, Roger Jensen 1974-8-24 46 Siskiyou Along Road 8 to Sugar Lake trail. Comment
  CAS-BOT-BC63607  Ceanothus integerrimus Mrs. Pettibone 1894-8-8 s.n. Siskiyou Upper Soda Springs. Comment
  CAS-BOT-BC63650  Ceanothus integerrimus John Thomas Howell 1934-7-4 12393 Siskiyou SE. corner of Siskiyou Co. Comment
  JEPS42461  Ceanothus integerrimus W. L. Jepson 1902-7-17 2063 A Siskiyou Devil's Backbone 1828 Comment
  RSA136296  Ceanothus integerrimus var. californicus Geo. D. Butler 1920-5-21 1381 Siskiyou Sikiyou county: Klamath hills Comment
  CDA35592  Ceanothus integerrimus var. macrothyrsus T. C. Fuller 1962-8-3 9516 Siskiyou Siskiyou Mountains; Slope above Salt Gulch, Horse Creek. 0 Comment
  CAS-BOT-BC52121  Ceanothus prostratus L. E. Smith 1913-4-10 67 Siskiyou Weed Comment
  CAS-BOT-BC53079  Ceanothus prostratus Robert F. Thorne; Frederick W. Oettinger 1969-8-10 38946 Siskiyou Mt. Shasta National Forest - SW slope of Mt. Shasta along Ski Bowl Road 1280 Comment
  UC1733691  Ceanothus prostratus Kay H. Beach, Frank Gould 1940-5-16 638 Siskiyou Bald Mt. Comment
  UC375367  Ceanothus prostratus Geo. D. Butler 1908-8-2 410 Siskiyou Quartz Valley 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-BC53026  Ceanothus sanguineus Louis C. Wheeler 1934-6-23 2774 Siskiyou Siskiyou Mts. - Sterling Mine, Bullion Mt. - Mt. Diablo Mer. 1280 Comment
  RSA63225  Ceanothus sanguineus Roman Gankin, W. R. Hildreth 1967-10-27 1182 Siskiyou 2.6 road miles from Lafayette Point on USFS orad 39N04 off Black bear road between Sawyers Bar and Cecilville. 1707 Comment
  UCR266168  Ceanothus sanguineus David J. Keil, Kathleen Keil 1990-7-28 s.n. Siskiyou Marble Mountains, Klamath National Forest, Rye Patch Creek Trail 1700 Comment
  CAS-BOT-BC63199  Ceanothus velutinus Brent Helm; Curtis Miller; Mark Steiger 1988-4-30 78 Siskiyou unspecified. 1463 Comment
  CHSC1521  Ceanothus velutinus V. Holt 1932-6-23 Siskiyou Shasta Flats. Comment
  UC1071459  Ceanothus velutinus H. A. Jensen 1933-9-25 355 Siskiyou Spring Hill Dunsmuir Quad. 1188 Comment
  UC144560  Ceanothus velutinus A. A. Heller 1905-6-16 8046 Siskiyou near Sisson; near Sisson Comment
  UC455426  Ceanothus velutinus I. J. Condit 1911-7-22 Siskiyou Mt. Shasta Comment
  CHSC3220  Centaurea cyanus Gerry Carrauthers 1966-5-14 165 Siskiyou 4 mi. N.W. of Callahan. Comment
  CDA7211  Centaurea diffusa T. C. Fuller 1967-8-15 16262 Siskiyou Butte Valley; Butte Valley. West side of Highway 97 to Weed, 3 miles south of Macdoel. 0 Comment
  UCD130122  Centaurea virgata subsp. squarrosa T. C. Fuller 1969-7-1 18618 Siskiyou Hawkinsville, just north of Yreka. Comment
  RSA240102  Cephalanthera austiniae Frederick W. Oettinger 1969-8-25 1549 Siskiyou Little North Fork Trail. The Salmon Mountains; the high lake basins in the vicinity of English Peak; Marble Mountain Wilderness Area 2012 Comment
  RSA184742  Cerastium arvense Gilbert Muth 1966-7-25 450 Siskiyou Marble Mountain lookout, Marble Mountains. 2098 Comment
  CDA3352  Cerastium dichotomum C. S. Giebner 1963-4-3 Siskiyou Chili Hammond property, halfway between Yreka and Montague. 0 Comment
  UCD97996  Cerastium dichotomum M. V. Maxwell 1961-5-10 s.n. Siskiyou 5 miles east of Montague. Comment
  CAS-BOT-BC388166  Cerastium fontanum Alice Eastwood 1921-7-24 10783 Siskiyou Castle Lake Comment
  UC165260  Cercocarpus betuloides var. betuloides Geo. D. Butler 1909-4-26 672 Siskiyou Oro Fino Comment
  RSA449453  Cercocarpus ledifolius Louis C. Wheeler 1934-9-5 3246 Siskiyou Summit of Sterling Mt. 2128 Comment
  CAS-BOT-BC148516  Cercocarpus ledifolius var. ledifolius John Thomas Howell 1937-7-25 13467 Siskiyou Caribou Basin, Salmon-Trinity Alps 2286 Comment
  POM351687  Chaenactis carphoclinia M. B. Dunkle 1945-1 9286 Siskiyou Klamath National Forest, Marble Mountains, Kings Castle 2378 Comment
  JEPS80545  Chaenactis douglasii var. douglasii Gilbert Muth 1965-8-12 216 Siskiyou Black Mountain front slope, Marble Mt. Wilderness Area Black Mountain, Marble Mountain 2194 Comment
  LA203125  Chaenactis douglasii var. douglasii Louis Wheeler; 1934-6-15 2715 Siskiyou Hungry Creek, Siskiyou Mts 1280 Comment
  UC1286473  Chaenactis douglasii var. douglasii W. B. and V. G. Cooke 1965-7-12 35192 Siskiyou along Bolam Road Mt. Shasta 1706 Comment
  UC699708  Chaenactis douglasii var. douglasii W. Bridge Cooke 1939-8-10 13872 Siskiyou area between Squaw Valley Creek and Mud Creek Canyon; Mount Shasta 2590 Comment
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Jul 12 2010
  UC904784  Chaenactis douglasii var. douglasii unknown 1949-8-26 25679 Siskiyou above Bolam Station; Mount Shasta 2133 Comment
  CAS-BOT-BC276779  Chaenactis douglasii var. douglasii W. B. Cooke; V. G. Cooke 1960-8-8 s.n. Siskiyou Fell fields, W side of Mud Creek Canyon, Mount Shasta 3048 Comment
  UC173222  Chaenactis suffrutescens Katharine Brandegee 1887-7-1 Siskiyou Edgewood Comment
  RSA94059  Chaenactis suffrutescens R. C. Barneby 1954-5-16 s.n. Siskiyou Scott Road, 10.5 miles below Fort Jones 1006 Comment
  CAS-BOT-BC141584  Chamaebatiaria millefolium Wm. Bridge Cooke 1938-8-24 11579 Siskiyou In a small canyon west of Bolam Creek - Mount Shasta 2133 Comment
  HSC1190  Chamaecyparis lawsoniana W. R. Oxner 1966-4-5 130 Siskiyou Mt. Shasta 1037 Comment
  RSA314999  Chamaecyparis nootkatensis Stephen Edwards 1983-7-11 SWE- 83 -21 Siskiyou Klamath National Forest, south end of Buck Lake 1311 Comment
  CDA41127  Chamaesaracha nana T. C. Fuller 1962-6-12 8967 Siskiyou East side of Davis Road to Medicine Lake, 0.2 mile south of road to Dorris, ca. 16 miles east of MacDoel. 0 Comment
  HSC8630  Chamaesyce glyptosperma R. C. Wunner 1965-8-27 435 Siskiyou Lava Beds National Monument, about 1 mi. from NW entrance 1220 Comment
  CDA4788  Chamaesyce maculata L. C. Wheeler 1963-8-23 8266 Siskiyou Klamath River: Walker (near Oak Knoll). . 0 Comment
  UC164022  Chamaesyce maculata Geo. D. Butler 1908-7-16 444 Siskiyou Klamath Rim Comment
  UC902143  Chamaesyce maculata Joseph P. Tracy 1949-9-13 18549 Siskiyou near forks Salmon (at mouth of Butter Creek) 274 Comment
  JEPS100296  Chamaesyce serpillifolia subsp. serpillifolia Dean W. Taylor 2001-8-28 17904 Siskiyou Mt. Shasta; Ski Park Highway 0.7 miles north from Highway 89 at Snowmans Hill Summit 1417 Comment
  CHSC26170  Chamerion angustifolium subsp. circumvagum J. P. Kroessig 1977-8-5 48 Siskiyou McBrides Springs Campground on Mt. Shasta, ca. 4.5 km n of Mt. Shasta City. 1460 Comment
  CHSC4544  Chamerion angustifolium subsp. circumvagum J. E. Bowlin 1967-7-18 55 Siskiyou On roadside, and ca. 9.5 mi w of Mount Shasta Ski Bowl. Comment
  CHSC66542  Chamerion angustifolium subsp. circumvagum Vernon H. Oswald 1996-7-12 7996 Siskiyou High Cascade Range. Everitt Memorial Hwy. (A10) E of Mt. Shasta city between mileposts 5 and 6. At roadside. 1554 Comment
  JEPS82482  Chamerion latifolium Gilbert Muth 1965-8-11 205 Siskiyou along trail to four corners Marble Mt. Wilderness Area, Black Mt. 1874 Comment
  CAS-BOT-BC68241  Cheilanthes gracillima G. J. Muth 1969-8-6 1193 Siskiyou Boulder Peak 2529 Comment
  CAS-BOT-BC70224  Cheilanthes gracillima Alice Eastwood 1912-9-1 2061 Siskiyou Mount Shasta Comment
  UC725674  Cheilanthes gracillima A. A. Heller 1916-7-20 12470 Siskiyou e side Mt Eddy (near Wagon Creek) 1524 Comment
  CAS-BOT-BC68213  Cheilanthes gracillima H. M. Hall 1909-7-28 8674 Siskiyou Head of Salmon River 1645 Comment
  UC851054  Chenopodium pumilio L. E. Smith 1913-7-12 467 Siskiyou Igerna Comment
  CAS-BOT-BC451440  Chimaphila menziesii Alice Eastwood 1921-7-26 10858 Siskiyou Soda Creek Comment
  HSC141  Chimaphila menziesii William J. Ferlatte 1966-8-3 270 Siskiyou Along the S Fork of the Salmon River between the campground and Carter's. 1524 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
  CHSC71575  Chimaphila umbellata Vernon H. Oswald; Lowell Ahart 1998-8-3 9433 Siskiyou Near the Pacific Crest Trail in the Scott Mtns. west of Kangaroo Lake. 1981 Comment
  UC876121  Chimaphila umbellata Alice Eastwood 1912-7-15 1113 Siskiyou McCloud Comment
  UCR222516  Chimaphila umbellata R. F. Thorne 1969-8-2 63400 Siskiyou Klamath Ranges Region; Salmon Mountains, Klamath National Forest, Marble Mountain Wilderness Area, trail to English Peak [along N fork of Salmon River] 1159 Comment
  UCSB23743  Chimaphila umbellata Keefe, Joseph 1967-7-11 Siskiyou Cook and Green Pass, north of Seida Valley 1341 Comment
  RSA68953  Chimaphila umbellata subsp. occidentalis A. E. Culbertson 1943-7-17 5 Siskiyou Near Forest Service Camp Grd. about a mile downstream from Castle Lake on road to town of Shasta; on north slope of a 6600' eastern spur of Trinity Mts. and 1500 above Sacramento R., within 9 air miles of its headwaters to the west., Mt. Shasta 13 miles to NE. 1524 Comment
  RSA186843  Chloris virgata T. C. Fuller 1966-10-5 15243 Siskiyou at edge of pavement, w. side of Interstate 5 just s. of exit to Hilts. Comment
  RSA697616  Chrysolepis chrysophylla Leo Miller 1938-1 s.n. Siskiyou Siskiyou Mtns. 915 Comment
  RSA697617  Chrysolepis chrysophylla Leo Miller 1938-1 s.n. Siskiyou Siskiyou Mtns. 915 Comment
  HSC26564  Chrysolepis sempervirens J. P. Smith, J. O. Sawyer 1972-8-20 5756 Siskiyou Slope of Mt. Hoffman 2134 Comment
  HSC8065  Chrysolepis sempervirens Richard Spjut 1968-10-5 168 Siskiyou Along the trail to Sugar Creek Lake in the Salmon Mtns. 1524 Comment
  UC1096788  Chrysolepis sempervirens H. K. Wagnon 1957-8-11 1690 Siskiyou 3 mi w Military Pass Rd. (on rd to Brewer Creek, e slope of Mt Shasta); North Coast Ranges, Mt. Shasta Comment
  UC572800  Chrysolepis sempervirens unknown 1937-7-23 9139 Siskiyou Mt. Shasta Comment
  UC750566  Chrysothamnus viscidiflorus subsp. viscidiflorus Lewis S. Rose 1941-8-28 41427 Siskiyou Dorris 1291 Comment
  UC106567  Cicuta douglasii T. S. Brandegee July 1887 Siskiyou Edgewood 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
  RSA183464  Cinna latifolia J. M. Tucker 1963-8-19 3775 Siskiyou Headwaters of Canyon Creek, Marble Mountain Wilderness Area. 1951 Comment
  UCD59780  Cinna latifolia J. M. Tucker 1963-8-19 3775 Siskiyou Marble Mountain Wilderness Area, headwaters of Canyon Creek. 1950 Comment
  HSC179  Circaea alpina subsp. pacifica William J. Ferlatte 1967-8-19 1034 Siskiyou S Fork of Salmon River, between campground and Carter's 1524 Comment
  HSC71093  Cirsium andersonii Thomas W. Nelson, Jane P. Nelson, J. P. Smith 1978-7-24 4545 Siskiyou Along State Route 3, just N of Scott Mtn summit. 1585 Comment
  CAS-BOT-BC278047  Cirsium cymosum John Thomas Howell 1952-6-15 28361 Siskiyou Montague Comment
  UC454287  Cirsium douglasii var. breweri I. J. Condit 1911-7-31 Siskiyou Shasta Springs Comment
  CAS-BOT-BC288011  Cirsium occidentale var. candidissimum John Thomas Howell 1952-6-15 28362 Siskiyou Montague Comment
  CDA21700  Cirsium ochrocentrum subsp. ochrocentrum F. D. Horn, T. R. Haig 1979-9-19 Siskiyou Near Macdoel. 0 Comment
  HSC152  Cirsium remotifolium William J. Ferlatte 1966-8-3 263 Siskiyou Along the S Fork of the Salmon River between the campground and Carter's. 1524 Comment
  RSA607265  Cirsium scariosum L. C. Wheeler 1935-6-30 3636 Siskiyou Shasta Valley, 3 miles S of Grenada. 793 Comment
  CAS-BOT-BC228971  Cistanthe umbellata Elizabeth McClintock; Wayne Roderick; Martha Roderick 1967-7-29 s.n. Siskiyou Mumbo Lake, Trinity Mts. 1828 Comment
  OBI6075  Clarkia gracilis subsp. gracilis Carl B. Wolf 1941-7-26 11077 Siskiyou SW end of Little Shasta Valley, 12 mi NE of Weed on US 97at jctn with Rd. to Montague 914 Comment
  CAS-BOT-BC163455  Clarkia purpurea subsp. quadrivulnera Lewis S. Rose 1945-6-22 45157 Siskiyou Walker, Klamath River 533 Comment
  RSA237658  Clarkia rhomboidea Frederick W. Oettinger 1969-7-28 1086 Siskiyou Dry open granite slope above first part of Tom s Lake Basin. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1677 Comment
  RSA789824  Clarkia rhomboidea Rebecca Wenk 2005-7-15 196 Siskiyou Trinity Alps, above South Fork of the Salmon River, along the Yellow Rose mine trail. 2043 Comment
  JEPS80486  Claytonia palustris W. B. and V. G. Cooke 1923-5-23 56458 A Siskiyou Bear Springs; Mt. Shasta Comment
  HSC4456  Claytonia rubra subsp. rubra William J. Ferlatte 1966-6-22 107 Siskiyou 3 mi. S of Big Flat 1585 Comment
  HSC4459  Claytonia rubra subsp. rubra William J. Ferlatte 1967-6-5 495 Siskiyou Big Flat, near public camp 1524 Comment
  UC618649  Claytonia rubra subsp. rubra unknown 1938-6-24 11063 Siskiyou MacBride Springs; Mount Shasta Comment
  CAS-BOT-BC443864  Claytonia sibirica Alice Eastwood 1917-9-2 6676 Siskiyou Shasta Springs Comment
  HSC30284  Claytonia sibirica William J. Ferlatte 1969-6-25 1178 Siskiyou Big Flat, near public camp 1524 Comment
  CAS-BOT-BC92756  Clematis ligusticifolia Dorothy Parker 1947-8-3 207 Siskiyou Along the banks of the East Fork of Scott River. Plowman's Valley. 1066 Comment
  RSA3834  Cleome platycarpa A. A. Heller 1927-8-2 14440 Siskiyou North end of Shasta Valley near the Klamath River Comment
  HSC22449  Clintonia uniflora J. O. Sawyer 1969-8-4 1925 Siskiyou Above S Sugar Lake 2043 Comment
  HSC67679  Clintonia uniflora John Palmer 1980-7-24 620 Siskiyou Klamath National Forest, Elk Hole 1503 Comment
  UC1409327  Clintonia uniflora Frederick W. Oettinger 1969-8-7 1277 Siskiyou se end of English Lake, in the vicinity of English Peak, Salmon Mountains, Marble Mountain Wilderness Area English Lake; Salmon Mountains, Marble Mountain Wilderness Area, English L 1767 Comment
  UC30058  Clintonia uniflora Harley P. Chandler June, 1901 1718 Siskiyou near Marble Mountain (Shackleford Canyon); North Coast Ranges, Shackleford Canyon 2133 Comment
  UC375201  Clintonia uniflora Geo. D. Butler 1908-8-4 98 Siskiyou near Cold Spring (Wooley Creek); Wooley Creek Comment
  HSC72674  Collinsia grandiflora J. P. Smith 1976-5-5 8674 Siskiyou Road from Etna to Sawyer's Bar. 732 Comment
  JEPS3691  Collinsia linearis Dorothy Mrs. Warren Parker 1953-5-24 537 Siskiyou Scott River; hillside 687 Comment
  JEPS3848  Collinsia linearis Duncan Dunning 1923-6-13 Siskiyou sw Sawyers Bar (near Blue Ridge Ranger Station) Comment
  JEPS74150  Collinsia linearis J. M. Tucker and L. K. Mann 1963-7-4 3691 Siskiyou ca 4.7 mi sw Etna (beside rd from Etna to Sawyer's Bar) Comment
  CHSC89527  Collinsia parviflora G. F. Hrusa 2001-6-6 15848 Siskiyou Siskiyou Mountains. Nr. summit of pass betw. Happy Camp and O'Brien, Oregon at turnoff to Bolan Lake, at Oregon border. Roadside. UTM: 10S, 4649821 N, 0456023 E. 1424 Comment
  CDA41377  Collinsia parviflora G. D. Barbe, J. T. Howell, T. C. Fuller 1980-4-29 2600 Siskiyou 3 km east of Forest Mountain summit, Highway 3, southwest of Yreka. Comment
  HSC29392  Collinsia parviflora Frederick W. Oettinger 1969-7-13 995 Siskiyou Salmon Mts., Upper English Lake 1677 Comment
  POM208360  Collinsia rattanii Louis C. Wheeler 1934-6-12 2692 Siskiyou Hungry Creek Lookout, Siskiyou Mountains. 1463 Comment
  RSA412244  Collinsia torreyi Christopher Davidson 1975-6-5 2671 Siskiyou 0.8 mi. from gate on special service rd. branching SE of rd from Gazelle to Callahan, ca. 9.3 miles W of Gazelle. Klamath Nat. Forest. 1509 Comment
  HSC628  Collinsia torreyi var. latifolia William J. Ferlatte 1966-7-7 217 Siskiyou N side of Caribou Mtn. 1982 Comment
  HSC43471  Collomia grandiflora Maralyn O'Meara 1974-5-25 382 Siskiyou Along Rd. 8, 0.9 mi. from its junction with Hwy. 3 976 Comment
  JEPS70997  Collomia grandiflora W. L. Jepson 1937-7-30 18535 Siskiyou near Poker Flat; summit Siskiyou Mts. 1584 Comment
  UC718486  Collomia grandiflora Carl B. Wolf 1934-7-6 5980 Siskiyou 1/4 mi e Mt. Shasta City (sw slope of mt.); Mt. Shasta 1097 Comment
  UCSB3064  Collomia heterophylla Hardham, Clare 1965-8-20 Siskiyou Granite Trail; Cudahy Lakes; Marble Mountains 1219 Comment
  UC2013021  Collomia tinctoria Barbara Ertter 1990-7-14 9333 Siskiyou Wagon Creek on E side of Mt. Eddy, ca. 4 air miles W of Mt. Shasta City. Comment
  UCR94143  Conium maculatum N. F. McBain, N. A. Alexander, J. A. Alexander 1995-6-30 411 Siskiyou Shasta Valley, near Grenada, on Montague-Grenada Rd. 2 mi. north of US Hwy 97 cutoff. 762 Comment
  POM21381  Convolvulus arvensis George B. Grant 1902-9-13 s.n. Siskiyou Sisson. Comment
  HSC495  Corallorhiza maculata William J. Ferlatte 1966-6-22 83 Siskiyou Along the S Fork of the Salmon River, between the campground and Carter's. 1524 Comment
  JEPS80487  Corallorhiza maculata Gilbert Muth 1966-7-14 397 Siskiyou Marble Valley Marble Mt. Wilderness Area 1792 Comment
  HSC29151  Corallorhiza maculata Frederick W. Oettinger 1969-7-28 1090 Siskiyou Salmon Mountains, High Lake Basins, NNE of Pine Lake 2073 Comment
  HSC19266  Corallorhiza mertensiana J. O. Sawyer 1968-7-9 452 Siskiyou W of Little Duck Lake. 1936 Comment
  HSC77013  Corallorhiza striata K. T. Stillman 1976-6-24 38 Siskiyou Marble Mountain Wilderness Area, trail from Lovers Camp to Marble Valley 1463 Comment
  JEPS117854  Cordylanthus tenuis subsp. viscidus unknown 1976-8-18 Siskiyou Gravel pit north of Abram's Lake turnoff from I-5 1127 Comment
  CAS-BOT-BC212281  Cornus glabrata Wm. Bridge Cooke 1940-6-20 15171 Siskiyou Along the bank of the Klamath River along the Pacific Highway below Hornbrook. 609 Comment
  POM78075  Cornus nuttallii Geo. D. Butler 1908-8-21 85 Siskiyou Edson Creek Comment
  UC1190154  Cornus nuttallii Ira L. Wiggins 1955-7-29 13589 Siskiyou along Thompson Creek 3.5 mi. above S. Fork Salmon R.; Thompson Creek 1371 Comment
  UC165290  Cornus nuttallii Geo. D. Butler 1908-8-21 85 Siskiyou Etna Creek Comment
  UC637143  Cornus nuttallii Edward Lee 1934-8-11 1029 Siskiyou e. end Seiad Valley (Walker Creek); e. end Seiad Valley, Walker Creek (tributary of Klamath R.) 609 Comment
  CAS-BOT-BC210419  Cornus sericea A. A. Heller 1905-6-15 8043 Siskiyou On the banks of the Sacramento west of and near Sisson Comment
  UCSB15564  Cornus sericea Breedlove, Dennis 1962-6-10 Siskiyou Along Indian Creek Road; 16.2 miles northwest of Happy Camp; Siskiyou Mountains 1066 Comment
  SJSU2549  Cornus sericea subsp. sericea H. L. Buckalew 1962-7-12 Siskiyou near Poker Flat c. 4 mi W of junction of Indian Cr with W Branch Indian Cr, Siskiyou Mts 1143 Comment
  JEPS75962  Cornus sericea subsp. sericea William J. Ferlatte 1974-7-15 1541 Siskiyou Trinity Alps, Yellow Rose Mine Trail 1706 Comment
  JEPS124698 Image available Corylus cornuta subsp. californica B. Corwin 1964-7-1 131 Siskiyou Above lower falls of McCloud River. Fowler Public Camp, off rte. 89. Comment
  RSA238546  Corylus cornuta var. californica Frederick W. Oettinger 1968-8-23 615 Siskiyou Salmon Mountains, in the vicinity of English Peak, Marble Mountain Wilderness Area. Amid large granite scree of Diamond Lake outlet spillway. 1951 Comment
  SEINET6892684  Corylus cornuta var. californica M. K. Solecki, J. B. Taft 1986-9-13 2157 Siskiyou Near the Marble Mountain Wilderness; along Canyon Creek Trail above Canyon Creek. Comment
  SBBG84017  Crepis acuminata K. T. Stillman 1976-7-15 247 Siskiyou Marble Mtn Wilderness Area Comment
  JEPS105230  Crepis bakeri Dean W. Taylor 1995-6-25 15118 Siskiyou Highway 3 at Soap Creek Summit (ca. 6 miles West of Yreka) 1280 Comment
  CAS-BOT-BC299653  Crepis monticola Geo. D. Butler 1910-5-1 148 Siskiyou Near Yreka Comment
  JEPS125929  Crepis monticola D. W. Taylor 1996-6-28 15756 Siskiyou Antelope Mountain, ca 8 air miles S of Yreka Comment
  UC429491  Crepis monticola Morris Halperin 1930-5-17 Siskiyou around Yreka (Geo. Gray of Yreka, prop. of ranch); Schulmeyer Gulch Comment
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May 9 2008
  SEINET7838799 Image available Crepis occidentalis G. D. Butler 1910-5-19 1365 Siskiyou Yreka Comment
  UC1282027  Crepis pleurocarpa Louise Kellogg Aug 8 1953-Aug 9 1953 126 Siskiyou Blue Point Scott Mountains, Klamath National Forest (near Scott Mountain Public Campground) 1630 Comment
  JEPS24803  Crypsis schoenoides Rimo Bacigalupi with Drs. Reino and Aloha Alava 1958-9-2 6812 Siskiyou about 3 mi nw Weed (head of Valley); Shasta Valley 975 Comment
  HSC19008  Cryptantha affinis J. O. Sawyer 1969-7-11 867 Siskiyou Ravine above C.C.C. road. 1280 Comment
  UC133676  Cryptantha affinis A. A. Heller 1905-6-5 7962 Siskiyou near Shasta Springs Comment
  UC1409420  Cryptantha affinis Frederick W. Oettinger 1969-7-11 991 Siskiyou Mt. Chaparral, near the spring along English Lake-Diamond Lake Trail, vicinity of English Peak, w Siskiyou County Salmon Mountains, Marble Mountain Wilderness Area 1897 Comment
  CHSC71475  Cryptantha ambigua Vernon H. Oswald; Lowell Ahart 1998-7-21 9332 Siskiyou Northeast of Weed and east of Grass Lake at a gravel pit on the south side of Tennant Rd. 0.4 mi southeast of Old State Hwy. to Bray. 1402 Comment
  UC711887  Cryptantha ambigua Roxana S. Ferris and Laura Lorraine 1941-8-11 10496 Siskiyou Grass Lake Station, on U.S. Highway 97 1554 Comment
  POM72149  Cryptantha milobakeri Geo. D. Butler 1909-5-2 733 Siskiyou Yreka. Comment
  RSA273419  Cryptantha milobakeri J. P. Smith, Advanced plant taxonomy class-1974 1974-5-25 7393 Siskiyou Along road 8, 0.9 miles from its jct with State Route 3. 976 Comment
  CHSC75685  Cryptantha torreyana Vernon H. Oswald; Lowell Ahart 1999-7-5 9796 Siskiyou Gazelle-Callahan Hwy. 9.0 mi west of Gazelle. 914 Comment
  UC933385  Cryptantha torreyana Annie M. Alexander and Louise Kellogg 1948-9-7 5589 Siskiyou Black Bear Summit, at fork of road from Cecilville to first lookout Siskiyou Mountains 1524 Comment
  UCD78125  Cryptogramma cascadensis Robert E. Preston 2001-6-23 1579 Siskiyou Klamath National Forest, n slope of Rainbow Mtn, at Hemlock Lake. 1889 Comment
  NY16590  Cupressus bakeri G. D. Butler 1910-7-4 1637 Siskiyou [G... handwriting not clear] foothills 1219.2 Comment
  RSA17603  Cupressus bakeri C. B. Wolf 1934-10-8 6167 Siskiyou Modoc Lava Beds, 1 mile NE of Timbered Crater on old Stage road from Dana to Little Hot Springs Valley 1220 Comment
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Mar 29 2012
  RSA22775  Cupressus bakeri O. V. Matthews 1939-7-3 21 Siskiyou Southwest of Sullivan Mine. Cook-Green Region, 3 miles south of Blue Ledge Mine 1220 Comment
  RSA40901  Cupressus bakeri C. B. Wolf 1944-10-30 11481 Siskiyou 1mile NE of Timbered Crater, Modoc Lava Beds on Old Stage Road form Dana to Little Hot Springs Valley 1220 Comment
  UC650675  Cupressus bakeri Oliver V. Matthews 1939-7-5 21 Siskiyou Sullivan Mine Grove Cook and Green Region, Sullivan Mine Grove 1066 Comment
  UC813438  Cupressus bakeri Louis C. Wheeler 1935-4-14 3417 Siskiyou West Fork Seiad Creek; Siskiyou Mts., Mt. Diablo Mer., Seiad Creek 1158 Comment
  POM120002  Cupressus bakeri Geo D. Butler 1910-7-4 1637 Siskiyou Goosenest foothills 1220 Comment
  HSC99962  Cupressus nootkatensis Michael Kauffmann 2011-7-8 17 Siskiyou Boundry Trail West of Kangaroo Peak. 1726 Comment
  JEPS25542  Cuscuta californica Rimo Bacigalupi with Lincoln Constance 1959-6-17 7159 Siskiyou 4 mi ne Weed (slopes across from junction of Big Springs Road with U.S. Highway 97) 1066 Comment
  JEPS47092  Cuscuta cephalanthi George B. Grant 1902-9-4 5217 Siskiyou Sisson 914 Comment
  UC879557  Cuscuta occidentalis W. Bridge Cooke 1940-6-20 15144 Siskiyou w of Pacific Highway (in the vicinity along the Klamath River Highway) Comment
  SEINET3153057  Cynoglossum occidentale G. D. Butler 1910-6-4 1497 Siskiyou Phackleford creek Comment
  HSC66254  Cypripedium californicum Maralyn A. Renner 1980-7-4 1381 Siskiyou Near trail about 0.25 mi. below Rattlesnake Meadow. 1585 Comment
  RSA264952  Cypripedium californicum G. L. Clifton 1975-7-28 9828 Siskiyou Near Siskiyou Mountains, near Seiad Valley; (Seiad Valley quad) 1634 Comment
  UC727006  Cypripedium californicum A. A. Heller 1919-6-29 13282 Siskiyou near Wagon Creek Falls Comment
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Jun 24 2013
  HSC363  Cystopteris fragilis William J. Ferlatte 1967-7-9 699 Siskiyou Kidd Creek Trail 1677 Comment
  RSA183739  Cystopteris fragilis Gilbert Muth 1965-8-3 162 Siskiyou Pothole in Marble, Marble Valley, Marble Mountains. Comment
  RSA585077  Danthonia californica L. C. Wheeler 1934-7-2 2842 Siskiyou Little Smoky Creek, Sterling Mt., Siskiyou Mts. 1280 Comment
  RSA239120  Danthonia californica var. americana Frederick W. Oettinger 1969-9-4 1657 Siskiyou Hancock Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1890 Comment
  JEPS83996  Danthonia intermedia L. R. Heckard with S. D'Alcamo, J. Hickman, S. Winchester 1986-7-16 6358 Siskiyou ca 1/2 mi se Red Butte (ca 7 mi nne of Seiad Valley, sw of Cook and Green Pass) 1730 Comment
  JEPS128472  Danthonia unispicata Julie Kierstead Nelson with Martin Lenz, Rhonda Posey, Brenna Montagne 2016-6-9 2016 -030 Siskiyou Lower Parks Creek watershed, E Klamath Range; Forest Road 42N19. 4 miles northwest of Stewart Springs. Comment
  CAS-BOT-BC76234  Darlingtonia californica L. E. Smith 1913-7-4 81908 Siskiyou Castle Lake. Comment
  CAS-BOT-BC76235  Darlingtonia californica L. E. Smith 1913-6-29 s.n. Siskiyou Mount Eddy. Comment
  CAS-BOT-BC76244  Darlingtonia californica Arthur Menzies 1962-7-21 s.n. Siskiyou Morgan Meadows, base of Mount Eddy. 1706 Comment
  CAS-BOT-BC76245  Darlingtonia californica Dr. E. B. Copeland 1903-8-17 3812 Siskiyou Mount Eddy. 1219 Comment
  HSC66361  Darlingtonia californica M. S. Taylor 1980-7-22 3171 Siskiyou 0.1 mi. SW of Big Carmen Lake, on S side of 40N08, 2.3 mi. NE of its junction with Hwy. 3 at Scott Mt. Summit. 1738 Comment
  RSA11913  Darlingtonia californica Elmer I. Applegate 1895-5-28 25 Siskiyou 18th crossing of the Sacramento River below Sisson Comment
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Nov 6 2019
  UC11158  Darlingtonia californica Geological Survey 1862-1 1356 Siskiyou near streams Mt Shasta Comment
  UC34981  Darlingtonia californica M. A. Howe 1894-8-9 Siskiyou Shasta Springs Comment
  UC166557  Darmera peltata Geo. D. Butler 1908-8-11 220 Siskiyou Shackleford Creek Comment
  RSA431673  Datisca glomerata Edwin Kline 1920-06 s.n. Siskiyou Siskiyou Mtns. Comment
  CHSC1443  Delphinium decorum subsp. tracyi S. Friday 1935-4-14 Siskiyou Scott valley. 1188 Comment
  HSC63252  Delphinium glaucum M. A. Baker 1979-7-28 1065 Siskiyou Wooley Creek Comment
  JEPS23356  Delphinium nudicaule Geo. D. Butler 1909-4-18 599 Siskiyou w Yreka; Humbug Divide Comment
  CAS-BOT-BC116162  Delphinium nuttallianum D. E. Breedlove 1962-6-11 3362 Siskiyou Along State Highway 89, 8.0 miles east of McCloud; Cascade Range. 1127 Comment
  CAS-BOT-BC116168  Delphinium nuttallianum Roxana S. Ferris; Laura Lorraine 1948-6-12 11893 Siskiyou Gazelle Mountain grade, road between Callahan and Gazelle. 1499 Comment
  HSC64661  Delphinium nuttallianum J. O. Sawyer 1977-7-6 3027 Siskiyou South of Little Duck Lake 2134 Comment
  HSC39219  Delphinium nuttallianum J. O. Sawyer 1969-7-2 1016 Siskiyou Near summit above Lipstick Lake 2226 Comment
  HSC77038  Delphinium nuttallianum K. T. Stillman 1976-6-17 19 Siskiyou Marble Mountain Wilderness Area, head of Elk Valley 1768 Comment
  JEPS117878  Deschampsia atropurpurea unknown 1976-9-21 Siskiyou Lower Squaw Valley Cr. Mdw. Mt. Shasta 2249 Comment
  CAS-BOT-BC192471  Deschampsia cespitosa subsp. cespitosa Alice Eastwood 1912-8-30 2049 Siskiyou Mount Eddy Comment
  CAS-BOT-BC201941  Deschampsia elongata Melissa A. Berry 1957-7-3 s.n. Siskiyou Taylor Creek CCC Road, East Fork of the South Fork of the Salmon River 762 Comment
  RSA728504  Deschampsia elongata Gary D. Wallace, Tom Jimmerson 1979-6-22 1857 Siskiyou Due west of Requa, NNW of Flint Valley, SE of Chimney Rock. Along 15N01. Comment
  CAS-BOT-BC42970  Descurainia incisa subsp. incisa John Thomas Howell 1939-8-9 15222 Siskiyou Marble Mountains. Ridge south of Marble Valley. Comment
  RSA47781  Descurainia pinnata subsp. filipes Roxana S. Ferris, Laura Lorraine 11829 Siskiyou Gazelle Mountain grade, road between Callahan and Gazelle. 1500 Comment
  JEPS14815  Descurainia sophia W. L. Kleaver 1919-5-16 1 Siskiyou Comment
  UCD114786  Descurainia sophia A. A. Heller 1916-7-20 12463 Siskiyou Metcalf's Ranch, northeast base of Mt. Eddy in openings in the forest. 1188 Comment
  HSC69339  Dicentra formosa John Palmer 1980-8-13 785 Siskiyou Klamath National Forest, Dead Cow Creek near F.S. Rd. 47N44 from Beaver Creek Rd. 1616 Comment
  HSC8349  Dicentra formosa William J. Ferlatte 1967-6-5 497 Siskiyou Big Flat, near public camp 1524 Comment
  RSA0028774  Dicentra formosa subsp. formosa J. P. Smith 1973-5-5 6480 Siskiyou Along Cook and Green Pass road. Comment
  HSC43327  Dicentra uniflora Maralyn O'Meara 1974-5-26 468 Siskiyou Chandler Glade along USFS Rd. 47N03 1768 Comment
  JEPS5684  Dichelostemma X venustum Geo. D. Butler 1909-7-15 889 Siskiyou Highland Mine Comment
  UC1409326  Dichelostemma ida-maia Frederick W. Oettinger 1969-7-31 1119 Siskiyou just above Willow Springs (on trail between Abbott's Cabin and English Lake); Salmon Mountains, Marble Mountain Wilderness Area 1691 Comment
  HSC46046  Dichelostemma multiflorum Maralyn O'Meara 1974-5-25 430 Siskiyou On Rd. 8, 2.4 mi. W of junction with Hwy. 3 1006 Comment
  CAS-BOT-BC500998  Dichelostemma multiflorum Geo. D. Butler 1910-5-18 1361 Siskiyou Yreka Comment
  SD73134  Dieteria canescens Darley F. Howe 1969-8-30 Siskiyou 1.3 miles south of Weed on Highway 5. 1130 Comment
  CAS-BOT-BC290992  Dieteria canescens var. shastensis Louis C. Wheeler 1934-8-24 3218 Siskiyou Trapper Creek, Siskiyou Mts. 1859 Comment
  CAS-BOT-BC290998  Dieteria canescens var. shastensis Louis C. Wheeler 1934-8-24 3218 Siskiyou Klamath National Forest. Trapper Creek 1859 Comment
  CAS-BOT-BC291017  Dieteria canescens var. shastensis R. H. Bohmannson 1926-7-1 s.n. Siskiyou Mt. Shasta Comment
  CAS-BOT-BC291019  Dieteria canescens var. shastensis L. E. Smith 1915-7-1 s.n. Siskiyou Bray Comment
  JEPS94395  Dieteria canescens var. shastensis Vernon Oswald and Lowell Ahart 1997-7-28 8778 Siskiyou Forest Route 56 (42N56) 3.7 mi e of Forest Route 49, edge of Burnt Lava Flow Virgin Area at Yellow Jacket Ice Cave Yellow Jacket Ice Cave; Burnt Lava Flow Virgin Area at Yellow Jacket Ice Cave 1755 Comment
  UC61649  Dieteria canescens var. shastensis Geo. B. Grant September 1902 5119 Siskiyou Horse Camp, Mt. Shasta Mt. Shasta 2438 Comment
  UC618850  Dieteria canescens var. shastensis W. Bridge Cooke 1938-8-5 11439 Siskiyou MacBride Spring Road Mount Shasta, MacBride Spring Road Comment
  CAS-BOT-BC153300  Diplacus kelloggii Harley P. Chandler 1901-6-1 1480 Siskiyou Ridges and meadows near Marble Mountain 426 Comment
  CAS-BOT-BC153455  Diplacus layneae Copeland 1903-9-5 3851 Siskiyou Igerna Comment
  SEINET260462 Image available Diplacus nanus David M. Thompson 1989-1 1022 Siskiyou 10.0 mi NE of Weed along Hwy 97 NW side of rd 1150 Comment
  CAS-BOT-BC153739  Diplacus nanus W. B. Cooke; V. G. Cooke 1966-7-16 37213 Siskiyou Above Hotlum Station, Mt. Shasta 1676 Comment
  CHSC1391  Dodecatheon alpinum V. Holt 1932-7-10 Siskiyou Mt. Eddy. 2590 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
  RSA238728  Dodecatheon alpinum subsp. majus Frederick W. Oettinger 1969-9-4 1672 Siskiyou In wet boreal meadow below Tom Taylor Cabin Springs. Salmon Mtns. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2043 Comment
  SEINET10550647 Image available Downingia bacigalupii John H. Weiler, A. P. Nelson 1960-6-24 Weiler 60205 Siskiyou In a bowl-shaped, rocky bottomed depression at the side of Dorris-Beswick road 2.7 miles southwest of the California-Oregon border. Abundant. Associated with Erynigium. Comment
  UC1188734  Downingia montana John H. Weiler, L. Constance, and E. Molseed 1960-6-15 60178 Siskiyou about 300 ft off Highway 99 (just n of the bridge over the Sacramento River, at the n end of Lake Shasta (Antler Resort area)); Lake Shasta, Antler Resort Area 396 Comment
  CAS-BOT-BC41843  Draba breweri William Bridge Cooke 1940-7-26 15383 Siskiyou Mount Shasta. On the west side of Shastina above Merriam's timberline. 2895 Comment
  UC1045262  Draba breweri W. Bridge Cooke 1940-7-26 15383 Siskiyou above Merriam's timberline; Mount Shasta, w side Shastina Comment
  CAS-BOT-BC41757  Draba howellii John Thomas Howell 1939-8-10 15249 Siskiyou Marble Mountains. Sky High Valley. 1828 Comment
  CAS-BOT-BC41763  Draba howellii Edna Kelsey 1961-8-1 s.n. Siskiyou Marble Mountains. Summit of Marble Mountain. Comment
  HSC29186  Draba pterosperma Frederick W. Oettinger 1968-8-22 601 Siskiyou Salmon Mtns., Marble Mtn. Wilderness Area, cliffs above English Lake to Diamond Lake trail on English Lake side of pass 2226 Comment
  UCR37813  Draba pterosperma K. T. Stillman 1976-7-30 318 Siskiyou Marble Mtn Wilderness Area, ridge top just north of Black Mt. 2104 Comment
  HSC44704  Draperia systyla J. O. Sawyer, E. Cope 1977-6-18 2900 Siskiyou Along Clear Creek trail below Ten Mile Creek 457 Comment
  UC61197  Draperia systyla W. A. Setchell, C. C. Dobie 1902-7-22 Siskiyou McCloud River Mount Shasta (The Bend) Comment
  CAS-BOT-BC438787  Drosera anglica Dana York 2011-9-9 3090 Siskiyou Marble Mountain Wilderness. Klamath National Forest, a few meters inside Marble Mountain Wilderness at Isinglass Lake. 1985 Comment
  HSC61836  Drymocallis glandulosa Ruby Van Deventer 1959-7-9 Siskiyou Poker Flat 1585 Comment
  CAS-BOT-BC159681  Drymocallis glandulosa K. T. Stillman 1976-6-25 80 Siskiyou N side of Elk Valley, Marble Mountain wilderness Area 1798 Comment
  UC54354  Drymocallis hansenii H. M. Hall and E. B. Babcock June, 1903 4136 Siskiyou Pole Canyon Sierra Nevada Mountains, Pole Canyon (north-eastern Shasta County) 1463 Comment
  CAS-BOT-BC159287  Drymocallis lactea var. lactea Wm. Bridge Cooke 1938-6-24 11070 Siskiyou MacBridge Springs - Mount Shasta 1524 Comment
  CAS-BOT-BC159297  Drymocallis lactea var. lactea Alice Eastwood 1921-7-24 10793 Siskiyou Castle Lake Comment
  HSC69709  Drymocallis lactea var. lactea Maralyn A. Renner 1980-7-15 1776 Siskiyou English Lake inlet 1780 Comment
  UC609347  Drymocallis pseudorupestris var. saxicola Eleanor Burks Hart 1938-8-18 931 Siskiyou western slope of Boulder Peak 2529 Comment
  CAS-BOT-BC158426  Drymocallis rhomboidea Elmer I. Applegate 1935-6-10 9478 b Siskiyou Caldwell Butte, Lava Beds National Monument Comment
  HSC46070  Dryopteris arguta J. P. Smith, Steve Selva 1970-6-14 3873 Siskiyou Road to Steinacher Creek near Somes Bar. Comment
  UC1593363  Dryopteris expansa Alan Smith with Chris Richards, C. Don Macneill, Janet Sowers, Bob Martin, Pat Toops, and Barney 1992-6-6 2541 Siskiyou at base of entrance pit Fossil Cave; Lava Beds Nat'l Monument 1280 Comment
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May 30 2013
  UCD98724  Dysphania botrys A. A. Heller 1916-8-24 12564 Siskiyou near Sisson. 1077 Comment
  CDA4585  Echinops exaltatus V. Pierce, M. Grifantini 1970-7-2 Siskiyou David Caldwell property, The Pines, Interstate 5, south of Yreka. 0 Comment
  RSA577424  Eleocharis acicularis var. acicularis L. C. Wheeler 1935-7-23 3681 Siskiyou Siskiyou Mountains: Mt. Diablo Mer.; Mud Springs, Middlehell Creek. 2011 Comment
  SEINET5718064 Image available Eleocharis montevidensis Philip E. Hyatt 2002-1 11140 Siskiyou Happy Camp community. Along Klamath River. Collected while departing work on the Stanza Fire (Happy Camp) as a Base Camp Manager. In memory of engine E-11 Lassen NF; John Self, Hether DePaulo, Steve Ousatd. Happy Camp Elementary School Grounds; wet area, sewer smell, downslope form main school building in mown lawn. 41 deg. 47" 37.5" 123 deg. 22" 24.3". [See postcard.]; Klamath River Comment
  CAS-BOT-BC112696  Eleocharis parishii 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. 1676 Comment
  POM111783  Eleocharis radicans Geo D. Butler 1910-7-12 1743 Siskiyou Shackleford Creek. 1220 Comment
  CAS-BOT-BC197358  Elymus Melissa A. Berry 1957-7-8 s.n. Siskiyou North Fork of the Salmon River, Somes Bar-Etna Road 609 Comment
  CAS-BOT-BC197360  Elymus Copeland 1903-9-7 3794 Siskiyou Mt. Eddy Comment
  CAS-BOT-BC227127  Elymus Melissa A. Berry 1957-7-11 s.n. Siskiyou Parrott Mill Road, vicinity of Callahan 1005 Comment
  UCD62811  Elymus X hansenii Mr. Roseman 1913-1 42 Siskiyou Butte Valley. Comment
  HSC103032  Elymus caput-medusae J. P. Smith 2014-6-7 13890 Siskiyou Yreka 844 Comment
  CAS-BOT-BC227915  Elymus elymoides R. J. Mastrogiuseppe; J. D. Mastrogiuseppe 1974-9-2 171 Siskiyou West slope of ridge of Red Rock Mtn. 2133 Comment
  RSA211383  Elymus elymoides William J. Ferlatte 1966-8-4 316 Siskiyou Yellow Rose Mine 1982 Comment
  UC618876  Elymus elymoides subsp. elymoides W. Bridge Cooke 1938-7-15 11266 Siskiyou Wagon Camp Mount Shasta (around outer portions of meadows) 1737 Comment
  SD104847  Elymus elymoides var. brevifolius Darley Howe 1979-6-26 Siskiyou Military Pass Road, 3 miles Southeast of California Highway 97 Comment
  HSC69216  Elymus elymoides var. elymoides Maralyn A. Renner 1980-7-24 2088 Siskiyou Lily Pad Lake 1768 Comment
  RSA239026  Elymus glaucus Frederick W. Oettinger 1968-9-1 638 Siskiyou Southwest side of Abbott's Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1723 Comment
  CAS-BOT-BC206596  Elymus glaucus subsp. glaucus Louis C. Wheeler 1934-8-14 3143 Siskiyou E end White Mt., Klamath National Forest 1767 Comment
  CAS-BOT-BC206614  Elymus glaucus subsp. glaucus Alice Eastwood 1912-7-15 1100 Siskiyou McCloud Comment
  HSC22166  Elymus glaucus subsp. glaucus J. O. Sawyer 1969-8-1 1646 Siskiyou SE facing slope above Duck Lake Creek 1951 Comment
  RSA603760  Elymus lanceolatus L. C. Wheeler 1935-6-30 3627 Siskiyou Shasta Valley, 3 miles S of Grenada. 793 Comment
  RSA591598  Elymus multisetus L. C. Wheeler 1934-10-21 3328 Siskiyou Shasta Valley 4 mi E Grenada 869 Comment
  UC196945  Elymus multisetus Geo. D. Butler 1910-5-26 1424 Siskiyou Yreka Comment
  HSC64828  Elymus spicatus J. P. Smith, Steve Selva 1970-6-16 3970 Siskiyou 6 mi. from Hwy. 3 on Rd. 8 to Sugar Creek. 1280 Comment
  HSC75113  Elymus spicatus J. P. Smith, Thomas W. Nelson 1979-6-15 10123 Siskiyou Klamath National Forest, road to Carmen Lake, 0.6 mi. from its junction with Hwy. 3 1646 Comment
  UC1666801  Elymus trachycaulus Geo. D. Butler 1909-6-28 850 Siskiyou along creek near Yreka Comment
  CAS-BOT-BC204264  Elymus trachycaulus subsp. subsecundus David D. Keck 1949-7-19 6353 Siskiyou 6.5 mi. SW of Yreka on road to Ft. Hones [Jones] nr. head of Yreka Ck 1127 Comment
  JEPS107453  Elytrigia intermedia subsp. barbulata Lowell Ahart, John Dittes 2005-6-10 12121 Siskiyou North side of the corral, end of Salvadori Road, Nelson Ranch, about 1 1/4 miles (air) south of Highway 99/97 Cutoff, about 5 1/4 miles (air) east-southeast of Grenada 785 Comment
  UC1105961  Elytrigia intermedia subsp. intermedia Milo S. Baker 1955-7-26 13083 Siskiyou Hwy 99 4 mi s Gazelle 914 Comment
  JEPS117458  Epilobium ciliatum subsp. ciliatum Lowell Ahart, John Dittes 2010-7-30 16952 Siskiyou Along the south edge of the Shasta River, about 100 yards east of the East Louie Road Bridge, Shasta Big Springs Ranch, 1.6 miles (air) southwest of Big Springs Lake, 4.6 miles (air) northwest of Dwinnel Dam, 5.7 miles (air) southeast of Grenada 716 Comment
  POM258979  Epilobium ciliatum subsp. glandulosum W. Bridge Cooke 1940-8-2 15394 Siskiyou Bear Springs, Mount Shasta 1524 Comment
  SEINET515876  Epilobium densiflorum Vernon H. Oswald 1998-9-8 9604 Siskiyou Julia Glover Flat on USFS 3 ca. 6 air mi W of mosquito Lake and Whitehorse Flat Reservoir. 1113 Comment
  HSC19490  Epilobium glaberrimum subsp. fastigiatum J. O. Sawyer 1969-7-24 1514 Siskiyou SE facing slope W of Sugar Lake 1905 Comment
  HSC69363  Epilobium glaberrimum subsp. fastigiatum Maralyn A. Renner 1980-8-19 2504 Siskiyou S side of Caribou Lake 2104 Comment
  UC1408912  Epilobium hallianum Frederick W. Oettinger 1969-7-18 1053 Siskiyou Upper English Lake Salmon Mountains, Marble Mountain Wilderness Area (upper side, high lake basins in vicinity of English Peak, w Siskiyou Co.) 1950 Comment
  CAS-BOT-BC165944  Epilobium hallianum Thomas W. Nelson; Jane P. Nelson 1980-7-19 6202 Siskiyou Along Forest Service road 40N17 ca. 1 mile from junction with Callahan-Cecilville road 1584 Comment
  HSC29141  Epilobium hornemannii subsp. hornemannii Frederick W. Oettinger 1968-8-10 463 Siskiyou Salmon Mtns., stream inlet into Hancock Lake 1890 Comment
  HSC35807  Epilobium hornemannii subsp. hornemannii J. O. Sawyer 1969-7-9 1344 Siskiyou Above S Sugar Lake 2287 Comment
  RSA183679  Epilobium lactiflorum Gilbert Muth 1965-8-11 205 Siskiyou On trail to 4 corners, Marble Valley, Marble Mountains Comment
  CAS-BOT-BC419731  Epilobium luteum Julie Kierstead Nelson; Martin Lenz; Rhonda Posey 2014-8-13 2014 -086 Siskiyou Headwaters of West Fork Parks Creek, adjacent to Road 41N29Y, 2 miles NE of China Mountain, eastern Klamath Ranges. 2194 Comment
  HSC77154  Epilobium luteum L. P. Janeway 1983-9-11 679 Siskiyou Along creek edge just W of Poker Flat along the trail to Twin Valley 1524 Comment
  UC1408901  Epilobium minutum Frederick W. Oettinger 1969-7-11 981 Siskiyou n Hancock Lake (sw-running ridge of mt., w Siskiyou Co., High Lake Basins in vicinity of English Peak); Salmon Mountains, Marble Mountain Wilderness Area, Little Me 2042 Comment
  HSC102713  Eragrostis pectinacea var. pectinacea J. P. Smith 2013-6-18 13746 Siskiyou Camp Creek Recreation Area. 723 Comment
  HSC619  Eremogone congesta William J. Ferlatte 1966-8-5 330 Siskiyou N side of Caribou Mtn. 1982 Comment
  HSC69508  Eremogone congesta John Palmer 1980-7-24 658 Siskiyou Dillon Divide 1707 Comment
  CAS-BOT-BC168326  Eremogone congesta var. congesta Doris K. Kildale 1928-8-19 6543 Siskiyou Summit of divide between English Lake and Hancock Lake on trail to Marble Mt. 2194 Comment
  CAS-BOT-BC168846  Eremogone congesta var. congesta Milo S. Baker 1926-8-8 242 -26 Siskiyou Between Red Mt. and Granite Peak 2194 Comment
  HSC16948  Eriastrum sparsiflorum R. C. Wunner 1965-7-13 388 Siskiyou Lava Bed National Monument, along fire rd. around Crescent Butte-Lone Pine Flat Rd. 1479 Comment
  RSA142695  Ericameria bloomeri P. A. Munz 1960-8-22 24172 Siskiyou Panther Meadows, Mt. Shasta 2287 Comment
  UC216590  Ericameria bloomeri W. H. Brewer 1862-1 1415 Siskiyou Mt. Shasta Comment
  UC598531  Ericameria bloomeri C. Hart Merriam 1898-8-14 16 Siskiyou Mt. Shasta 1524 Comment
  POM274348  Ericameria greenei B. W. Heacox 1947-9-11 187 Siskiyou Dry-Lake Look-out Station. Siskiyou Mt. Range, Klamath River Drainage Area Comment
  CHSC8609  Ericameria nauseosa G. Smalley 1967-6-20 Siskiyou Collected 7 miles e of Callahan. 1066 Comment
  UC201306  Ericameria nauseosa var. oreophila A. A. Heller 1917-9-7 12978 Siskiyou 2 mi s of Grenada; Shasta Valley 914 Comment
  CAS-BOT-BC294303  Ericameria nauseosa var. speciosa Doris K. Kildale 1929-8-24 8815 Siskiyou Preston Peak 2225 Comment
  SD73171  Ericameria nauseosa var. speciosa Darley F. Howe 1969-8-31 Siskiyou 4.5 miles north of Weed on HGighway 907. 1035 Comment
  UCD77546  Ericameria nauseosa var. speciosa Robert E. Preston 2001-8-26 1770 Siskiyou Klamath National Forest, N slope of Rainbow Mountain. 2103 Comment
  CAS-BOT-BC294403  Ericameria parryi var. latior Alice Eastwood 1912-8-30 2079 Siskiyou Mount Eddy Comment
  CAS-BOT-BC293504  Erigeron aliceae Doris K. Kildale 1928-8-18 6486 Siskiyou Head of North Fork of Salmon River at Finley's Upper Camp Comment
  HSC61780  Erigeron aliceae Ruby Van Deventer 1938-7-31 Siskiyou Poker Flat 1585 Comment
  RSA50187  Erigeron bloomeri E. K. Balls 1949-7-8 13917 Siskiyou Trail from Scott Mt. Camp to Carmen Lake, Scott Mt. 1753 Comment
  CAS-BOT-BC294498  Erigeron bloomeri var. bloomeri L. P. Janeway 1984-6-22 874 Siskiyou Ca 1 mi north of Scott Summit on road 40N08 1645 Comment
  CAS-BOT-BC294503  Erigeron bloomeri var. bloomeri R. C. Barneby 1954-5-16 11531 Siskiyou 6 mi. s.-w. of Yreka 975 Comment
  HSC61209  Erigeron cervinus Al Hobart 16 Jul [year missing] Siskiyou El Capitan Comment
  UC75816  Erigeron compositus Milo S. Baker 1899-7-31 Siskiyou above Warren and Andersons Mill Ash Creek (e slope of Mt. Shasta); Mt. Shasta, Ash Creek Comment
  CAS-BOT-BC297184  Erigeron concinnus var. concinnus A. A. Heller 1905-6-19 8063 Siskiyou Along the railroad near Grenada station Comment
  RSA17741  Erigeron elegantulus Elmer I. Applegate 1935-6-11 9494 Siskiyou Upper Ice Cave, south end of big lava flow, Lava Beds National Monument Comment
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Feb 6 2015
  HSC2229  Erigeron filifolius J. W. Thompson 1936-7-8 13157 Siskiyou Lava Beds National Monument, lava slopes Comment
  UC917219  Erigeron inornatus var. inornatus R. Tofsrud and J. M. Tucker 1948-8-2 1755 Siskiyou outskirts of McCloud Comment
  OBI53773  Erigeron inornatus var. inornatus David J. Keil 1992-7-20 23481 Siskiyou 10.3 mi W of Fort Jones along Scott River rd; above Scott river 900 Comment
  JEPS41494  Erigeron klamathensis W. L. Jepson 2071 Siskiyou rocky cliffs on the knife's edge the ridge; Western Siskiyou, Devil's Backbone 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
  HSC92398  Erigeron tener Jennifer Whipple 1977-8-5 2193 Siskiyou Near Little Crater Lake 2195 Comment
  POM165278  Eriogonum alpinum Edward L. Greene 1903-8-18 3813 Siskiyou Mt. Eddy. 2652 Comment
  UC637153  Eriogonum compositum var. compositum Edward Lee 1934-8-15 1134 Siskiyou summit of road from Happy Camp to Waldo (Oregon); Klamath National Forest, Indian Creek watershed 1615 Comment
  HSC41055  Eriogonum compositum var. compositum J. O. Sawyer 1969-7-8 1094 Siskiyou Ridge N of High Lake 2360 Comment
  JEPS84207  Eriogonum diclinum L. R. Heckard with J. Hickman et al. 1986-7-17 6495 Siskiyou Oak Knoll Ranger Station road to Condrey Mt ca 14.5 mi from. Hwy 96 (Walker) (near Dry Lake) 2000 Comment
  RSA237985  Eriogonum diclinum Frederick W. Oettinger 1968-8-18 571 Siskiyou Little Medicine Mountain, north of Tobacco Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1921 Comment
  POM253985  Eriogonum douglasii var. douglasii C. L. Hitchcock, J. S. Martin 1939-7-8 5304 Siskiyou North side of Black Mt 2073 Comment
  CAS-BOT-BC255706  Eriogonum douglasii var. meridionale K. T. Stillman 1976-6-26 107 Siskiyou Marble Mountain Wilderness Area Comment
  CAS-BOT-BC259366  Eriogonum lobbii Doris K. Kildale 1928-8-20 6618 Siskiyou Hancock Lookout, on trail to Marble Mt. 13 Comment
  HSC59935  Eriogonum lobbii D. L. Goforth 1979-7-19 259 Siskiyou Trinity Alps Wild Area, Caribou Lakes Basin 2104 Comment
  HSC43462  Eriogonum marifolium Jennifer Whipple 1976-6-18 1042 Siskiyou W facing slope of the ridge between Durney Lake and Little Crater 2378 Comment
  JEPS56734  Eriogonum marifolium W. L. Jepson 1940-6-27 20033 Siskiyou Mt. Shasta; e slope 1828 Comment
  JEPS56778  Eriogonum marifolium Chesnut and Drew July 1891 Siskiyou Mt. Shasta-Lassen Comment
  SBBG21292  Eriogonum marifolium D. Myrick 1964-7-25 960 Siskiyou above Ski Bowl Lodge, Mt Shasta 2407 Comment
  UC604097  Eriogonum marifolium W. Bridge Cooke 1938-7-1 11137 Siskiyou Mt. Shasta 1676 Comment
  HSC12265  Eriogonum marifolium Richard Spjut 1970-7-22 870 Siskiyou N Warner Mtns. on Mt. Shasta by ski lodge 2591 Comment
  CAS-BOT-BC263181  Eriogonum marifolium var. cupulatum A. A. Heller 1914-8-28 11741 Siskiyou East side of Mt. Eddy 2194 Comment
  CAS-BOT-BC263191  Eriogonum marifolium var. cupulatum C. G. Pringle 1881-8-17 s.n. Siskiyou Mount Shasta 2438 Comment
  CAS-BOT-BC267389  Eriogonum marifolium var. marifolium H. K. Wagnon 1957-8-11 1696 Siskiyou East slope of Mt. Shasta along Brewer Cr. 6 mi. West of Military Pass Rd. Comment
  CHSC9496  Eriogonum marifolium var. marifolium J. F. Goodwin 1971-7-3 127 Siskiyou West side of road, in open area, 0.3 mi south of Mt. Shasta Ski Bowl area. 2438 Comment
  CHSC32977  Eriogonum nudum var. nudum J. P. Smith; J. O. Sawyer 1972-5-28 5366 Siskiyou 2.7 miles north of road 8 and Sugar Creek on State Route 3; hillside and roadside ditch. 914 Comment
  HSC27107  Eriogonum nudum var. nudum Carl W. Mize 1972-6-21 60 Siskiyou 0.25 mi. above rd. on WSW slope 274 Comment
  HSC43402  Eriogonum nudum var. nudum K. T. Stillman 1976-7-30 315 Siskiyou Marble Mountain Wilderness Area, ridge top just N of Black Mt. 2104 Comment
  SEINET11262483  Eriogonum nudum var. nudum J. O. Sawyer 1969-8-1 1672 Siskiyou Etna quad. Above Duck Lake Creek.; 0 Comment
  RSA165637  Eriogonum nudum var. nudum Clare B. Hardham 1961-6-30 7992 Siskiyou Siskiyou Mountains: White Mt. Comment
  SD22389  Eriogonum nudum var. nudum Susan G. Stokes 1932-7-14 Siskiyou Near Dorris Comment
  HSC17326  Eriogonum nudum var. pubiflorum D. M. Thomson 1965-7-10 130 Siskiyou Lava Beds N.M., 0.5 mi. S of Cauldwell Butte along main rd. Comment
  CHSC98694  Eriogonum ovalifolium var. eximium L. P. Janeway; B. Castro 2007-7-29 9136 Siskiyou High Cascade Range. Medicine Lake Highlands; Pumice Stone Mountain, on top of the northwest-trending shoulder. 2067 Comment
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Mar 28 2018
  CAS-BOT-BC252954  Eriogonum pyrolifolium var. pyrolifolium Robert F. Thorne; Fred Oettinger 1969-8-10 38984 Siskiyou S slope of Mt. Shasta, slopes above ski-lodge, Mt. Shasta National Forest 2438 Comment
  CHSC67580  Eriogonum siskiyouense James D. Jokerst 1992-7-30 3415 Siskiyou Top of divide between Trinity River, summit of reddish mountain S of road crossing saddle. [no additional location data; W of Interstate 5? V. Oswald] Comment
  SEINET3405023 Image available Eriogonum siskiyouense Dorothy Parker 1968-8-10 Siskiyou Kangaroo Divide, above Kangaroo Lake Comment
  RSA601669  Eriogonum sphaerocephalum Louis C. Wheeler 1935-6-29 3625 Siskiyou Yreka. 808 Comment
  UC164306  Eriogonum sphaerocephalum var. halimioides Geo. D. Butler 1910-5-20 1371 Siskiyou Yreka Yreka Comment
  CAS-BOT-BC263385  Eriogonum strictum var. proliferum Arthur Menzies 1962-7-21 s.n. Siskiyou Mt. Eddy 2529 Comment
  CAS-BOT-BC263395  Eriogonum strictum var. proliferum Milo S. Baker 1955-6-28 012 Siskiyou 0.3 mile north of Callahan 1005 Comment
  HSC66355  Eriogonum umbellatum Maralyn A. Renner 1980-7-24 2022 Siskiyou Lily Pad Lake 1768 Comment
  HSC69393  Eriogonum umbellatum Maralyn A. Renner 1980-9-9 2761 Siskiyou Medicine Mtn., ridge to SW 2058 Comment
  CAS-BOT-BC267932  Eriogonum umbellatum Alice Eastwood 1921-7-29 10989 Siskiyou Bear Spring on road to Medicine L. Comment
  CAS-BOT-BC267975  Eriogonum umbellatum var. argus H. A. Thomas; J. H. Thomas 1954-7-25 4532 Siskiyou Salmon - Trinity Mts. Vicinity of Rush Lake and Rush Creek Meadow. About 9 miles E of Cecilville 1981 Comment
  UC1585426  Eriogonum umbellatum var. argus R. Raiche, K. Zadnick, and H. Forbes 1989-10-3 UCBG 50 Siskiyou n Seiad Valley (at Cook and Green Pass) 1425 Comment
  UC163832  Eriogonum umbellatum var. argus Geo. D. Butler 1909-8-3 209 Siskiyou Log Lake, Shackleford Creek Comment
  UC725761  Eriogonum umbellatum var. argus A. A. Heller 1940-7-24 15762 Siskiyou Castle Lake Comment
  JEPS56182  Eriogonum umbellatum var. dumosum J. G. Lemmon 1889-6-28 Siskiyou near Edgewood Comment
  RSA0033766  Eriogonum umbellatum var. humistratum Barbara Ertter 1990-7-14 9327 Siskiyou Wagon Creek on E side of Mt. Eddy, ca. 4 airmiles W of Mt. Shasta City; open rocky dry ridge S of & above creek. 1950 Comment
  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
  RSA420694  Eriogonum umbellatum var. modocense M. B. Dunkle 1944-6-18 9128 Siskiyou Siskiyou National Forest. Comment
  HSC77563  Eriogonum umbellatum var. stellatum L. P. Janeway 1983-9-11 660 Siskiyou Poker Flat 1524 Comment
  HSC96736  Eriogonum ursinum var. erubescens James L. Reveal, Julie Knorr 2002-8-5 8371 Siskiyou Scott Bar Mtns., N and W slope and ridge of Deadwood Baldy Peak, Klamath National Forest 1675 Comment
  HSC68437  Eriophorum crinigerum Maralyn A. Renner 1980-7-4 1394 Siskiyou Near trail about 0.25 mi. below Rattlesnake Meadow. 1585 Comment
  RSA760960  Eriophorum crinigerum Robert F. Thorne, Frederick W. Oettinger 1969-8-4 63386 Siskiyou Klamath National Forest, Salmon Mountains, Marble Mountain Wilderness Area, high lake basins in the vicinity of English Peak 1890 Comment
  CDA33200  Eriophorum crinigerum Gordon Leppig 1998-7-1 908 Siskiyou Klamath National Forest; Russian Wilderness, Little Duck Lake Fen; cirque west of Little Duck Lake. Comment
  SEINET5711481  Eriophyllum ambiguum Lowell E. Urbatsch, Vesna Karaman, Castro 2000-1 7701 Siskiyou Scott Mts. Collected along road 17, 11.8 mi. SW from the intersection of I-15 and Stewart Spring Rd.; Scott Mountains 1955 Comment
  CDA18412  Eriophyllum lanatum G. D. Barbe, T. C. Fuller & J. T. Howell 1980-4-29 2650 Siskiyou Klamath Ranges; Schoolhouse Hill, summit of Gazelle-Callahan Road, 7 miles (11.3 km) east of Callahan. 1173 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-BC301134  Eriophyllum lanatum var. achilleoides Doris K. Kildale; J. W. Gillespie 1929-6-22 8031 Siskiyou Base of Black Butte near Mt. Shasta Comment
  UC195374  Eriophyllum lanatum var. achilleoides A. A. Heller 1916-7-20 12479 Siskiyou near Wagon Creek Falls (e side of Mt. Eddy); Mt. Eddy 1524 Comment
  CAS-BOT-BC301112  Eriophyllum lanatum var. achilleoides Elmer I. Applegate 1935-6-10 9474 Siskiyou Thomas massacre area, Lava Beds National Monument Comment
  CAS-BOT-BC301118  Eriophyllum lanatum var. achilleoides L. Constance 1933-6-21 E 83 Siskiyou South side of the Siskiyou Mts., 1 mile south of the Oregon-California State Line Comment
  CAS-BOT-BC301120  Eriophyllum lanatum var. achilleoides L. Constance 1933-6-21 E 84 Siskiyou 1 mile south of Hornbrook Comment
  UC507182  Eriophyllum lanatum var. grandiflorum Lincoln Constance 1928-6-1 Siskiyou s of Weed Comment
  RSA302656  Eriophyllum lanatum var. grandiflorum J. R. Shevock 1972-7-25 2222 Siskiyou Hwy. 97, near Mt. Shasta 1524 Comment
  CAS-BOT-BC94802  Eriophyllum lanatum var. lanceolatum R. C. Wenk 2008-7-24 939 Siskiyou Kangaroo Lake, S of Gazelle-Callahan Road, top of ridge S of lake 1981 Comment
  HSC76696  Eriophyllum lanatum var. lanceolatum K. T. Stillman 1976-8-7 202 Siskiyou Marble Mtn. Wilderness Area 1982 Comment
  CAS-BOT-BC301714  Eriophyllum lanatum var. lanceolatum Doris K. Kildale 1929-7-20 8711 Siskiyou Trail from Elk Lick to Raspberry Lake, upper South Fork of Indian Creek 1828 Comment
  UC166606  Erysimum capitatum Geo. D. Butler 1909-5-8 724 Siskiyou dry hill near Yreka Comment
  CDA33622  Erysimum capitatum R. A. Price 2010-7-3 1655 Siskiyou Along Forest Service Road 17 (Stewart Springs Road); 5 miles east of crest. 0 Comment
  SEINET11249702  Erysimum capitatum var. capitatum L. E. Detling 1947-6-3 6057 Siskiyou Klamath NF, Happy Camp. 335 Comment
  RSA530365  Erysimum capitatum var. capitatum Christopher Davidson 1975-6-5 2675 Siskiyou 2.8 mi from gate on special service rd branching SE from rd from Gazelle to Callahan 9.3 mi W of Gazelle. Klamath Nat. Forest. 1631 Comment
  RSA96730  Erythronium Percy C. Everett, E. K. Balls 1954-10-13 20283 Siskiyou Canyon Creek above junction of trails to Kangaroo Mountain and West Fork Seiad Creek, 6.6 miles northeast from Highway 96 671 Comment
  HSC30414  Erythronium grandiflorum subsp. grandiflorum Frederick W. Oettinger 1968-8-12 600 Siskiyou Marble Mtn. Wilderness Area. above Diamond Lake on ridge to English Peak 2134 Comment
  POM109641  Erythronium grandiflorum subsp. grandiflorum Geo D. Butler 1910-7-9 1715 Siskiyou Marble Mountain. 1829 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
  HSC16751  Eschscholzia californica R. C. Wunner 1965-6-15 192 Siskiyou Lava Beds National Monument, SE side of Caldwell Butte near old cinder pit 1402 Comment
  JEPS22070  Eucephalus glabratus Rimo Bacigalupi 1958-9-3 6892 Siskiyou upper edges of Poker Flat, very close to the ne portion of Del Norte Co. Siskiyou Mountains, Poker Flat 1536 Comment
  JEPS74517  Eucephalus glabratus W. J. Ferlatte 1966-8-3 294 Siskiyou Josephine Lake Basin , Trinity Alps 1920 Comment
  JEPS74516  Eucephalus ledophyllus W. J. Ferlatte 1966-8-3 298 Siskiyou Yellow Rose Mine Trinity Alps 1981 Comment
  CAS-BOT-BC310456  Eucephalus ledophyllus var. covillei W. R. Dudley 1901-8-18 s.n. Siskiyou Jackson's Lake, Salmon Mts. Comment
  HSC69202  Eucephalus ledophyllus var. ledophyllus Maralyn A. Renner 1980-9-1 2686 Siskiyou Bear Mtn. 1936 Comment
  CAS-BOT-BC310627  Eurybia radulina Wm. Bridge Cooke 1938-8-19 11511 Siskiyou Mount Shasta. Howard Comment
  UC135418  Eurybia radulina Dr. E. B. Copeland 1903-9-8 3869 Siskiyou foot of Mt. Eddy Mt. Eddy 121 Comment
  HSC71188  Festuca idahoensis M. A. Baker 1980-6-20 2220 Siskiyou Near Bald Mtn. 1036 Comment
  RSA13873  Festuca idahoensis L. C. Wheeler 1934-6-10 2678 Siskiyou North Hungry Creek. Siskiyou Mountains. 1311 Comment
  RSA414217  Festuca idahoensis L. C. Wheeler 1935-6-9 3560 Siskiyou Siskiyou Mounatins, Yreka Creek 1220 Comment
  UC1483448  Festuca idahoensis J. Sawyer and J. Cole 1980-7-22 3944 Siskiyou nw slopes Cedar Mt.; Klamath National Forest, Bray Quad., Cedar Mt. 1524 Comment
  CAS-BOT-BC278874  Festuca occidentalis John Thomas Howell 1937-7-22 13259 Siskiyou South Fork of Salmon River near Big Flat 1524 Comment
  HSC13  Festuca occidentalis William J. Ferlatte 1966-6-22 108 Siskiyou 3 mi. S of Big Flat 1585 Comment
  SJSU11322  Festuca occidentalis S. H. Casey 1981-7-4 1214 Siskiyou Seiad Creek Road 1mi below summit of Vook & Green Pass c. 8 mi N of Seiad Valley 1219 Comment
  HSC75129  Festuca pratensis J. P. Smith, Thomas W. Nelson 1979-6-16 10148 Siskiyou Klamath National Forest. State Route 3, 1 mi. from Scott Mtn. Summit. 1341 Comment
  JEPS57224  Festuca roemeri L. R. Heckard 1967-8-13 1711 Siskiyou e flank Mt. Eddy 2727 Comment
  HSC30673  Festuca rubra Frederick W. Oettinger 1969-9-4 1673 Siskiyou Salmon Mtns., Tom Taylor Cabin. 2012 Comment
  CAS-BOT-BC278640  Festuca subulata Ira L. Wiggins 1955-7-29 13591 Siskiyou Along Thompson Creek, 3.5 mi. above S Fork of Salmon River 1371 Comment
  UC1108537  Festuca subulata Ira L. Wiggins 1955-7-29 13591 Siskiyou 3.5 mi above South Fork of Salmon River (along Thompson Creek); Thompson Creek 1371 Comment
  HSC32288  Festuca subuliflora J. O. Sawyer 1970-6-17 2206 Siskiyou Dry slopes N of Sugar Lake 1799 Comment
  CAS-BOT-BC453507  Fragaria Harley P. Chandler 1901-6-1 1569 Siskiyou Ridges and meadows near Marble Mountain; North Coast Ranges 1828 Comment
  CAS-BOT-BC453509  Fragaria Elmer I. Applegate 1923-8-20 3911 Siskiyou Medicine Lake Comment
  UC555501  Fragaria vesca D. Tebbe 1929-7-1 10 Siskiyou Mt. Eddy at Donkey Camp; Mt. Eddy Comment
  UC618840  Fragaria vesca unknown 1938-6-24 11079 Siskiyou MacBride Springs; Mount Shasta Comment
  UC859959  Fragaria vesca A. A. Heller 1916-6-20 12406 Siskiyou ne base Mt. Eddy (Metcalf's ranch) 1188 Comment
  CAS-BOT-BC457568  Fragaria vesca subsp. californica Roxana S. Ferris; Laura Lorraine 1948-6-12 11741 Siskiyou French Creek Logging Road west of Callahan 1219 Comment
  UC1258449  Fragaria virginiana subsp. platypetala J. Sawyer and J. Cole 1980-7-22 3990 Siskiyou Little Horse Peak; Klamath National Forest, Bray Quad. 1719 Comment
  CAS-BOT-BC59978  Frangula purshiana Louis C. Wheeler 1934-7-17 2915 Siskiyou Forest: Klamath. Cottonwood Cr. 944 Comment
  CAS-BOT-BC59979  Frangula purshiana Louis C. Wheeler 1934-7-17 2915 Siskiyou Cottonwood Creek. Siskiyou Mts. 944 Comment
  CAS-BOT-BC60010  Frangula purshiana Wm. F. Herrin 1920-1-1 s.n. Siskiyou Shasta Springs. Comment
  SEINET8584501  Frasera albicaulis var. nitida G. D. Butler 1910-6-2 1451 Siskiyou Dry land near Yreka. Comment
  POM211258  Fraxinus latifolia Louis C. Wheeler 1934-9-15 3262 Siskiyou Walker, Klamath River, Siskiyou Mts. (Mt. Diablo Mer.) 518 Comment
  UC141797  Fraxinus latifolia Dr. E. B. Copeland 1903-7-4 3559 Siskiyou Klamathon Comment
  UC164479  Fritillaria pudica Geo. D. Butler 1910-3-11 1121 Siskiyou Yreka hills 914 Comment
  UC1733719  Fritillaria pudica Frank Gould, Kay H. Beach 1940-5-15 1244 Siskiyou Bull Meadows Comment
  CAS-BOT-BC506213  Fritillaria pudica Ira L. Wiggins 1950-5-28 12391 Siskiyou .3 mile west of Carmen Lake Comment
  RSA20156  Galium bolanderi J. T. Howell 1937-7-26 13553 Siskiyou Caribou Gulch. Comment
  SBBG18847  Galium bolanderi C. B. Hardham 1961-7-2 8050 Siskiyou Scott River Comment
  UCSB17349  Galium bolanderi Hardham, Clare 1961-6-30 Siskiyou White Moutnain, Siskiyou Mountains Comment
  CAS-BOT-BC428043  Galium boreale Julie Kierstead Nelson; Martin Lenz; Rhonda Posey; Brenna Montagne 2013-7-12 2013 -011 Siskiyou Headwaters of West Parks Creek, Scott Mountain, eastern Klamath Range. Near Forest Rd. 41N73 1859 Comment
  RSA756845  Galium glabrescens Barbara Ertter 1990-7-14 9329 Siskiyou Wagon Creek on east side of Mt. Eddy, ca. 4 miles west of Mt. Shasta City Comment
  UC455889 Image available Galium glabrescens subsp. glabrescens I. J. Condit 1909-8-23 Siskiyou near Sisson; Castle Lake; Castle Lake near Sisson 1828 Comment
  CAS-BOT-BC210238  Galium grayanum var. grayanum Dana York 2011-8-12 3039 Siskiyou Marble Mountain Wilderness. Klamath National Forest, Marble Mountain 2075 Comment
  JEPS119371  Galium grayanum var. grayanum Dana York 2011-8-12 3042 Siskiyou Klamath National Forest, Marble Mountain. Comment
  RSA165562  Galium serpenticum Clare B. Hardham 1961-7-3 8115 Siskiyou Scott R, SW of Callahan Comment
  JEPS83623  Galium serpenticum subsp. scotticum Marla Knight 1987-7-16 942 Siskiyou Grouse Creek Mine Klamath National Forest, Scott River District, China Mtn. Qu (one half mi w of junction of FS Rds 40N03 and 40N40) 1127 Comment
  NY131475  Galium serpenticum subsp. scotticum L. T. Dempster 1961-7-3 1877 Siskiyou About 2 miles below summit (i.e. E of) on road SW of Callahan. 1828.8 Comment
  HSC22459  Galium triflorum J. O. Sawyer 1968-7-10 491 Siskiyou 1768 Comment
  HSC19179  Garrya buxifolia J. O. Sawyer 1968-9-11 698 Siskiyou Slopes above Twin Valley 1463 Comment
  CAS-BOT-BC182271  Garrya fremontii Alice Eastwood 1921-7-24 10712 Siskiyou Castle Lake Comment
  RSA96943  Garrya fremontii Percy C. Everett, E. K. Balls 1954-10-10 20263 Siskiyou Road from town of Mt. Shasta to Castle Lake, one mile south of turn off to Ney Springs. 1159 Comment
  SFV5056  Garrya fremontii B. C. Templeton 1957-6-21 s. n. Siskiyou About 10 miles north of Callahan. Comment
  HSC58862  Gaultheria ovatifolia Marvin Butler 1971-7-29 231 Siskiyou Near El Capitan Lake 1585 Comment
  SEINET10453068  Gayophytum diffusum Mary Susan Taylor 1980-8-19 Taylor 3267 A 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
  HSC34140  Gayophytum diffusum subsp. parviflorum J. O. Sawyer 1969-8-1 1659 Siskiyou SE facing slope above Duck Lake Creek 1951 Comment
  UCD103637  Gayophytum diffusum subsp. parviflorum John M. Tucker 1974-7-28 4311 Siskiyou Adjacent to camp at Haypress Meadows, Marble Mountain Wilderness Area. 1463 Comment
  UC873670  Gayophytum heterozygum Lewis S. Rose 1937-7-28 37599 Siskiyou Shasta Springs 914 Comment
  UCD103563  Gayophytum heterozygum J. M. Tucker 1950-7-24 1946 Siskiyou Outskirts of town of Mt. Shasta, beside Highway 99. Comment
  RSA237868  Gayophytum humile Frederick W. Oettinger 1969-8-14 1379 Siskiyou Campsite, English Lake. Salmon Mtns. High Lake Basins in the vicinity of English Peak. Marble Mtn Wilderness Area 1738 Comment
  RSA600334  Gayophytum humile Louis C. Wheeler 1935-7-24 3691 Siskiyou Jaynes Canyon. Siskiyou Mtns. 1951 Comment
  UC422807  Gayophytum racemosum Milo S. Baker 1898-8-1 504 Siskiyou Medicine Lake; sw side Comment
  SEINET4853845  Gentiana plurisetosa George D. Butler 1910-7-9 1709 Siskiyou Shackleford Creek. 1220 Comment
  CHSC661  Gentianella amarella subsp. acuta N. Jaekel 1939-7-29 Siskiyou Black Butte Meadow. 1158 Comment
  UC185731  Gentianella amarella subsp. acuta Copeland 1903-9-6 3849 Siskiyou Mt. Eddy Comment
  HSC91278  Gentianella amarella subsp. acuta Jennifer Whipple 1976-9-3 1782 Siskiyou Mt. Eddy, W-facing slope of the ridge between Durney Lake and Little Crater Lake 2287 Comment
  CAS-BOT-BC143593  Geum triflorum C. L. Hitchcock; J. S. Martin 1939-7-9 5326 Siskiyou 1/2 mile southeast of King's Castle; Marble Mts. 1828 Comment
  JEPS44854  Geum triflorum Geo. D. Butler 1909-6-23 922 Siskiyou Goosenest Mountain Comment
  RSA237947  Gilia capitata Frederick W. Oettinger 1968-8-16 536 Siskiyou Red Hill north of Hancock Lake. Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2058 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
  CAS-BOT-BC225352  Gilia latiflora subsp. davyi John Thomas Howell; T. C. Fuller; G. D. Barbe 1980-5-21 53572 Siskiyou Yreka 822 Comment
  UC29086  Githopsis specularioides E. L. Greene 1876-1 Siskiyou near Yreka Comment
  CHSC71514  Glyceria borealis Vernon H. Oswald; Lowell Ahart 1998-7-21 9352 Siskiyou Northeast of Weed and south of Macdoel along Old State Highway on the west side of Bray. On the edge of the marsh. 1417 Comment
  CAS-BOT-BC282842  Glyceria striata C. F. Baker 1903-9-8 3795 Siskiyou Mt. Eddy Comment
  RSA237524  Gnaphalium palustre Frederick W. Oettinger 1969-9-1 1572 Siskiyou Dry Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2027 Comment
  RSA69946  Grayia spinosa F. W. Peirson 1923-7-19 3716 Siskiyou About 2 miles S of Oregon line, Lowest Klamath Lake. Comment
  JEPS55564  Hackelia californica W. L. Jepson 1940-6-30 20065 Siskiyou 6 mi e of McCloud (Fowlers Camp); McCloud River 944 Comment
  HSC63982  Hackelia micrantha J. P. Smith, Steve Selva 1970-6-15 3967 Siskiyou 20 mi. E of Cecilville on the road to Callahan. 1646 Comment
  HSC77107  Hastingsia alba K. T. Stillman 1976-6-25 100 Siskiyou Marble Mtn. Wilderness Area, between Marble Gap and Elk Valley Trail Comment
  UC1483457  Hastingsia alba Maralyn A. Renner 1980-6-25 1093 Siskiyou West Fork Little South Fork Indian Creek Preston Pk Quad. Klamath Natl For, Little S Fk Indian Creek (Klamath National Forest) 1219 Comment
  CAS-BOT-BC504610  Hastingsia alba Alice Eastwood 1921-7-24 10722 Siskiyou Castle Lake Comment
  CAS-BOT-BC504622  Hastingsia alba R. C. Barneby; H. D. Ripley 1954-5-16 11507 Siskiyou Along Klamath R., 5 1/2 mi. upstream from Klamath River P. O. 548 Comment
  RSA237951  Hastingsia alba Frederick W. Oettinger, Robert F. Thorne 1969-8-8 1301 Siskiyou Sundew Bog near English Lake. Salmon Mtns; High Lake Basins in the vicinity of English Peak; Marble Mountain Wilderness Area. 1829 Comment
  CAS-BOT-BC123566  Hazardia whitneyi var. discoidea John Thomas Howell 1939-8-9 15236 Siskiyou Marble Mts. Shackleford Creek Trail south of Sky High Valley 1828 Comment
  JEPS116588  Hazardia whitneyi var. discoidea Julie Kierstead Nelson with Rhonda Posey, Ross Olson 2007-8-1 2007 -026 Siskiyou The Eddys, west of Mt. Shasta. East side of Toad Lake, headwaters of Middle Fork of upper Sacramento River Mt. Eddy 2103 Comment
  RSA183695  Hazardia whitneyi var. discoidea Gilbert Muth 1965-8-4 310 Siskiyou Marble Mountains, Marble Valley Comment
  HSC69358  Helenium bigelovii Maralyn A. Renner 1980-8-21 2581 Siskiyou Kidd Creek 2043 Comment
  HSC43139  Helenium puberulum Ken Stillman 1976-8-24 417 Siskiyou E and N slopes of Williams Point 366 Comment
  CAS-BOT-BC305470  Helianthus annuus W. B. Cooke; V. G. Cooke 1974-8-20 49243 Siskiyou Memorial Highway, Mt. Shasta Comment
  CAS-BOT-BC305567  Helianthus bolanderi L. E. Smith 1913-8-13 515 Siskiyou Montague Comment
  CAS-BOT-BC305570  Helianthus bolanderi Henry M. Pollard 1956-10-7 s.n. Siskiyou Klamath River bar on Spink's Ranch at Rogers Creek, Somes Bar Comment
  CAS-BOT-BC313448  Hemizonella minima Elmer I. Applegate 1935-6-8 9418 Siskiyou Bear Paw Cave, Lava Beds National Monument Comment
  HSC44962  Hemizonella minima J. O. Sawyer 1978-6-16 3225 Siskiyou Marble Mtn. Wilderness Area, Upper Elk Valley 1951 Comment
  UC134584  Hemizonella minima H. E. Brown June 1-10 1897 307 Siskiyou near Sisson 1083 Comment
  HSC36946  Hesperochiron pumilus J. P. Smith 1974-5-26 7564 Siskiyou Along FS Rd. 47N03 1524 Comment
  SD40665  Hesperocyparis bakeri Carl B. Wolf, E. R. Johnson 1934-10-8 Siskiyou Modoc lava Beds, 1 mile northeast of Timbered Crater on Old Stage Road from Dana to Little Hot Springs Valley 1220 Comment
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Mar 29 2012
  POM8869  Hesperolinon micranthum W. A. Setchell, C. C. Dobie 1902-07 8422 Siskiyou Mt. Shasta, at Sisson. Comment
  UC1212238  Hesperolinon micranthum Herbert L. Mason 1950-7-1 14046 Siskiyou on road from Callahans to summit of mountain; Scott Mountain grade Comment
  HSC77759  Heterocodon rariflorum L. P. Janeway 1983-9-11 672 Siskiyou Poker Flat 1524 Comment
  HSC27593  Heteromeles arbutifolia Carl W. Mize 1972-6-21 68 Siskiyou Along trail by sharp bend in trail 274 Comment
  CAS-BOT-BC420711  Heuchera merriamii John Thomas Howell 1939-8-2 14863 Siskiyou Spirit Lake, Marble Mts. 1828 Comment
  HSC22091  Heuchera merriamii J. O. Sawyer 1969-8-1 1685 Siskiyou SE facing slope above Duck Lake Creek 1951 Comment
  CAS-BOT-BC420735  Heuchera merriamii Gilbert Muth 1966-1-1 308 Siskiyou Marble Mts. Comment
  RSA0063195  Heuchera merriamii G. D. Barbe 1955-8-5 367 Siskiyou Growing along the trail to Caribou Lake. Salmon Mtns. 2409 Comment
  RSA238313  Heuchera merriamii Frederick W. Oettinger 1967-8-17 278 Siskiyou Granite boulders on slope 1/2 mile SSW of Diamond Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. Comment
  RSA0066095  Heuchera micrantha var. diversifolia M. B. Dunkle 1944-6-25 9014 Siskiyou Siskiyou National Forest. 1677 Comment
  POM33157  Hieracium albiflorum Geo D. Butler 1910-6-5 1483 Siskiyou Shackleford Creek. 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
  CAS-BOT-BC318549  Hieracium greenei Alice Eastwood 1921-7-30 10994 Siskiyou Soda Creek Comment
  CAS-BOT-BC316013  Hieracium nudicaule Alice Eastwood 1921-7-25 10815 Siskiyou Bigelows, McCloud River Comment
  HSC36471  Hieracium scouleri J. O. Sawyer 1969-8-1 1643 Siskiyou SE facing slope above Duck Lake Creek 1951 Comment
  OBI55424  Hieracium scouleri David J. Keil 1992-7-20 23485 Siskiyou Klamath NF, W of Fort Jones .Along forest rd 44N45, 1.4 mi S of Scott river rd, 0.1 mi S of Boulder Crk trl head 1000 Comment
  CAS-BOT-BC320109  Hieracium triste R. H. Bohmannson 1926-7-16 s.n. Siskiyou Mt. Shasta Comment
  HSC34326  Holodiscus discolor J. P. Smith, J. O. Sawyer 1973-8-14 7309 Siskiyou On trail from Campbell Lake to Cliff Lake 1829 Comment
  HSC36734  Holodiscus discolor Brent Whitely 1975-7-1 115 Siskiyou 671 Comment
  UC922310  Holodiscus discolor Annie M. Alexander and Louise Kellogg 1949-7-31 5906 Siskiyou Marble Mountains, trail at entrance to Sky High Valley Sky High Valley; Marble Mountains, Sky High Valley 1767 Comment
  CAS-BOT-BC152373  Holodiscus discolor var. discolor W. R. Dudley 1901-8-24 s.n. Siskiyou Head of Coffee Creek, Salmon Mts. Comment
  HSC81976  Hordeum brachyantherum Thomas W. Nelson, Jane P. Nelson 1979-6-16 4863 Siskiyou Above Mule Creek, along Hwy. 3, 4.4 mi. N of Scott Mtn. Summit 1220 Comment
  CAS-BOT-BC284740  Hordeum jubatum Dorothy Parker 1948-7-16 78 Siskiyou In Plowmans Valley, East Fork of Scott River 1188 Comment
  UCD85810  Hordeum marinum subsp. gussoneanum Geo. D. Butler 1909-5-21 822 Siskiyou Along road near Yreka. Comment
  CAS-BOT-BC284768  Hordeum murinum subsp. glaucum Dorothy Parker 1949-5-22 76 Siskiyou At Etna, Scott Valley 896 Comment
  UC481096  Horkelia fusca subsp. parviflora W. A. Setchell, C. C. Dobie 1902-7-13 Siskiyou Sisson Mount Shasta Comment
  RSA451645  Horkelia fusca subsp. pseudocapitata E. Yale Dawson 1948-7-16 5099 c Siskiyou Grass Lake; Margins of Grass Lake, a drying, vernal lake north of Mount Shasta 1524 Comment
  JEPS47182  Horkelia tridentata W. L. Jepson 1940-6-30 20069 Siskiyou 6 mi e;On the McCloud River McCloud; McCloud River, Fowlers Camp, Forest Service Campground 944 Comment
  JEPS102922  Horkelia tridentata subsp. flavescens Thomas W. Nelson and Jane P. Nelson 1983-7-29 7527 Siskiyou Scott Mountain Summit campground; Scott Mountain 1645 Comment
  RSA119333  Horkelia tridentata subsp. flavescens S. S. Tillett 1956-7-11 696 Siskiyou just N of campground, Scott Mtn divide, Siskiyou - Trinity County line, 8 mile SE of Callahan. 1631 Comment
  UC860237  Horkelia tridentata subsp. tridentata A. A. Heller 1916-8-24 12565 Siskiyou near Sisson 1077 Comment
  CAS-BOT-BC539741  Horkelia tridentata var. flavescens Roxana S. Ferris; Laura Lorraine 1948-6-12 11792 Siskiyou Scott Mountain Road south of Callahan Comment
  CAS-BOT-BC201125  Hosackia crassifolia Jessie P. Rose 1905-7-1 157 Siskiyou North side of Ashland Butte, Siskiyou Mts. 1828 Comment
  HSC32005  Hosackia crassifolia A. M. Montalvo, J. D. Ackerman 1974-7-2 358 Siskiyou Along rd. to Shasta Retreat, 2 mi. S of Snowman Hill and Hwy. 89 Comment
  HSC71399  Hosackia oblongifolia var. oblongifolia J. P. Smith, Steve Selva 1970-7-27 4514 Siskiyou Gumboot Lake 1768 Comment
Read comments
Jun 7 2012
  CAS-BOT-BC142664  Howellanthus dalesianus Dorothy Parker 1958-6-9 649 Siskiyou summit of Scott Mt. 1630 Comment
  RSA105309  Hymenoxys lemmonii Milo S. Baker 1955-6-26 13075 Siskiyou Hwy 99, 4 miles south of Gazella 915 Comment
  CAS-BOT-BC400988  Hypericum anagalloides John Thomas Howell 1939-8-5 15083 Siskiyou Spirit Lake, Marble Mts. 1828 Comment
  CAS-BOT-BC400992  Hypericum anagalloides Gilbert Muth 1966-8-1 480 Siskiyou Marble Valley Horse Pasture, Marble Mts. 1792 Comment
  JEPS109404  Hypericum formosum var. scouleri Dean W. Taylor 2004-7-19 19187 Siskiyou Weed, wet meadow just east of town limits along Boles Creek 1051 Comment
  UC1216705  Hypericum perforatum W. B. and V. G. Cooke 1962-8-19 33549 Siskiyou near Memorial Hwy. Mt. Shasta Comment
  CAS-BOT-BC206827  Iliamna bakeri Carl B. Wolf 1941-7-26 11073 Siskiyou 10.3 mi. NE of Weed along U.S. Highway #97 914 Comment
  RSA469531  Ipomopsis aggregata A. C. Life 1923-08 s.n. Siskiyou near Mt. Shasta Comment
  HSC98031  Ipomopsis aggregata subsp. formosissima Thomas W. Nelson, Sydney Carothers 2005-7-17 9389 Siskiyou Along the W side of Hwy. 3 at the junction of F. S. Rd. 40N43. 1220 Comment
  RSA12495  Ipomopsis aggregata subsp. formosissima C. B. Wolf 1934-7-4 5942 Siskiyou Horse Creek Road to Dry Lake Lookout, Siskiyou Mountains, 13.5 miles from Horse Creek Bridge on Klamath River 1524 Comment
  CAS-BOT-BC133533  Iris bracteata C. L. Hitchcock; J. S. Martin 1939-7-7 5270 Siskiyou Sanger Peak Trail, ca. 13 miles south of Takilma, Oregon 1066 Comment
  HSC36670  Iris tenuissima Brent Whiteley 1975-7-3 134 Siskiyou 1220 Comment
  RSA136363  Iris tenuissima Lee W. Lenz 1953-5-17 18314 Siskiyou 1 mile above junction of Salmon and Klamath Rivers on Klamath River 183 Comment
  CHSC96097  Isatis tinctoria L. P. Janeway 2006-7-3 8761 Siskiyou Klamath Ranges. Salmon Mountains; along Music Creek Trailhead Road at upper crossing of Music Creek. 1716 Comment
  NY411181  Isatis tinctoria F. M. Ownbey 1940-7-7 2208 Siskiyou Soap Ridge road, southwest of Yreka Comment
  SEINET10735771  Isatis tinctoria Andrew Townesmith, Karen M. Meyer 2007-8-3 Townesmith 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. T46N R7W, near boundary between sections 7 and 8. 576 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
  HSC47618  Isatis tinctoria J. P. Smith 1977-5-15 9071 Siskiyou Rd. 8, 1 mi. from junction with Hwy. 3 Comment
  UCD115198  Isatis tinctoria R. C. Bacigalupi; S. Galen Smith 1957-6-27 5973 Siskiyou Grass Lake, along Highway 97. 1524 Comment
  RSA597971  Isoetes L. C. Wheeler 1963-8-31 8315 Siskiyou Siskiyou Mountains. Devil's Punch Bowl off Clear Creek. 1432 Comment
  CAS-BOT-BC57676  Isoetes bolanderi John Thomas Howell 1937-7-29 13669 Siskiyou North side of Scott Mt. Comment
  CAS-BOT-BC57681  Isoetes bolanderi Elmer I. Applegate 1923-8-19 3889 Siskiyou Medicine Lake Comment
  RSA576444  Isoetes howellii L. C. Wheeler 1934-7-3 2871 Siskiyou Soda Creek, Sterling Mt. Siskiyou Mountains. (Mt. Diablo Mer.) 1676 Comment
  CAS-BOT-BC324836  Iva axillaris A. A. Heller 1918-7-25 s.n. Siskiyou Shasta Valley between Gazelle and Edgewood Comment
  CDA8054  Iva axillaris T. C. Fuller 1958-6-19 1802 Siskiyou Tom Williams property, 4 miles northeast of Montague. 0 Comment
  HSC90597  Ivesia gordonii Jennifer Whipple 1976-6-17 1033 Siskiyou W facing slope of ridge between Durney Lake and Little Crater Lake 2409 Comment
  UC185649  Ivesia gordonii Dr. E. B. Copeland 1903-8-18 3900 Siskiyou Mt. Eddy 2743 Comment
  UC538029  Ivesia gordonii David H. Johnson 1934-6-11 Siskiyou Dobkins Lake; Mt. Eddy 1828 Comment
  HSC40383  Ivesia pickeringii Kevin Sawyer, J. O. Sawyer, Jane Cole, J. P. Smith 1976-9-5 8970 Siskiyou 2.5 miles north of Siskiyou-Trinity Co. line on State Route 3 1524 Comment
  HSC75159  Ivesia pickeringii Kenneth M. Balk, Miles Dwan 1980-7-18 414 Siskiyou Near mule Creek, just off Hwy. 3 between Callahan and Scott Mtn. Campground 1280 Comment
  JEPS66905  Juncus balticus Geo. D. Butler 1910-5-1 1254 Siskiyou near Yreka Comment
  RSA238918  Juncus covillei Frederick W. Oettinger 1969-8-14 1369 Siskiyou English Lake main campsite. Sandy lake shore on W side of English Lake. Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1753 Comment
  RSA238903  Juncus drummondii Frederick W. Oettinger 1969-9-4 1660 Siskiyou Just S of Tom s Lower Pond. Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1951 Comment
  CAS-BOT-BC110122  Juncus dudleyi Melissa A. Berry 1957-7-8 s.n. Siskiyou North Fork of the Salmon River, Somes Bar-Etna Road. 609 Comment
  HSC67454  Juncus effusus subsp. pacificus J. P. Smith, Steve Selva 1970-7-16 4375 Siskiyou Along Klamath River, 2 mi. W of Seiad Creek 518 Comment
  CHSC40143  Juncus ensifolius L. P. Janeway 1983-8-26 613 Siskiyou At Poker Flat. Northwest part of the meadow near the dirt road. 1524 Comment
  UC1108536  Juncus ensifolius Ira L. Wiggins 1955-7-21 13430 Siskiyou 7 mi above Cecilville (near Mt. View Ranch); South Fork of Salmon River 975 Comment
  HSC30697  Juncus ensifolius Frederick W. Oettinger 1968-9-6 743 Siskiyou Bear Meadow, midway between English Peak and Tom Taylor Cabin at head of Snowslide Gulch 1997 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-BC127615  Juncus mertensianus Doris K. Kildale 1928-8-19 6523 Siskiyou English Lake, head of north fork of Salmon River. Comment
  HSC22185  Juncus mertensianus J. O. Sawyer 1969-8-5 1748 Siskiyou W of Little Duck Lake 2073 Comment
  HSC69348  Juncus mertensianus Maralyn A. Renner 1980-8-21 2588 Siskiyou Kidd Creek 2043 Comment
  UC1265335  Juncus mertensianus Frederick W. Oettinger 1968-9-20 817 Siskiyou just s of Horse Range Lake (vicinity of English Peak, w Siskiyou County); Salmon Mountains, Marble Mountain Wilderness Area 1844 Comment
  UCD141624  Juncus nevadensis Jack Major 1961-7-14 641 Siskiyou Wagon Camp Meadow, Mount Shasta. 1737 Comment
  LA20061  Juncus nevadensis var. nevadensis Wm. Bridge Cooke; 1940-8-22 15471 Siskiyou Mt. Shasta, near springs in Mud Creek Canyon 1981 Comment
  UC1265303  Juncus occidentalis Frederick W. Oettinger 1969-8-24 1526 Siskiyou due w English Lake main camp (midway between English Lake main camp and Sundew Bog, vicinity of English Peak, w Siskiyou County); Salmon Mountains, Marble Mountain Wilderness Area, English P 1798 Comment
  JEPS66698  Juncus orthophyllus B. C. Goldsmith 1916-9-29 30 Siskiyou Medicine Lake Comment
  CHSC98906  Juncus parryi L. P. Janeway; B. Castro 2007-7-29 9133 Siskiyou High Cascade Range. Medicine Lake Highlands; along the bottom edge of the north side of the northwestern-most lobes of Little Glass Mountain. 1951 Comment
  UC842429  Juncus parryi John Thomas Howell 1937-7-24 13425 Siskiyou Caribou Basin Salmon-Trinity Alps 1981 Comment
  CAS-BOT-BC279922  Juncus trilocularis Peter F. Zika 2009-8-16 24598 Siskiyou Forest Service Road 46N04, Cascade Range Highlands (CaRH) 1550 Comment
  HSC30624  Juniperus communis var. saxatilis Frederick W. Oettinger 1969-8-23 1513 Siskiyou Base of slope near Smith Lake, Salmon Mtns. 1677 Comment
  SD53334  Juniperus communis var. saxatilis Darley F. Howe 1962-8-6 Siskiyou Mount Shasta 2440 Comment
  CHSC32823  Juniperus occidentalis Dirk Reith 1979-4-10 4 Siskiyou 10 mi wsw of Newell, 2 mi sw of Tule Lake, in Lava Beds Nat'l Monument. 1371 Comment
  NY20176  Juniperus occidentalis A. A. Heller 1938-7-12 15262 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
  JEPS107377  Juniperus occidentalis var. occidentalis Lowell Ahart, John Dittes 2005-6-9 12021 Siskiyou Small low hill, north fence boundary, on the east side of a poor rock fence, about 350 yards east of where cattle water in the Shasta River, about 3/5 mile (air) south of Highway 99/97 Cutoff, about 2 1/2 miles (air) east-southeast of Grenada 774 Comment
  POM21780  Juniperus occidentalis var. occidentalis Alice Eastwood 1922-10-23 11554 Siskiyou Yreka. Comment
  SEINET11058377  Juniperus occidentalis var. occidentalis D. Charlet, T. Charlet 1996-11-25 2346 Siskiyou Siskiyou Mountains., Klamath River, S slope above and N of river. 585 Comment
  SEINET7852090  Kalmia microphylla Unknown 1974-1 48 Siskiyou Little Duck Lake, Siskiyou Co., T40N, R9W, Sec. 19. Meadow at West end of Little Duck Lake. Enriched Mixed Conifer Forest. Comment
  HSC35446  Kalmia polifolia A. M. Montalvo, J. D. Ackerman 1975-7-18 585 Siskiyou Panther Meadow, Mt. Shasta 2287 Comment
  UC412684  Kalmia polifolia subsp. microphylla Annie M. Alexander and Louise Kellogg 1911-6-15 146 Siskiyou Jackson Lake Comment
  RSA293302  Keckiella corymbosa D. C. Michener 1980-8-2 3763 Siskiyou Klamath Mountains. Blue Nose Bluff of the Klamath River near confluence with Dillon Creek. 250 Comment
  RSA782435  Keckiella corymbosa R. W. Spjut, Paul Burchstead 2008-6-12 16346 Siskiyou Klamath Region. Klamath National Forest: along North Fork of the Salmon River, between Somes Bar and Forks of the Salmon 491 Comment
  RSA305804  Keckiella corymbosa James R. Shevock 1972-7-26 2226 Siskiyou Along the Klamath River. 518 Comment
  JEPS10864  Keckiella lemmonii Milo S. Baker 1893-6 Siskiyou near Dunsmuir; Sacramento Canyon Comment
  RSA760931  Kelloggia galioides Robert F. Thorne, Frederick W. Oettinger 1969-8-4 63379 Siskiyou Klamath National Forest, Salmon Mountains, Marble Mountain Wilderness Area, high lake basins in the vicinity of English Peak. 1768 Comment
  UCD85701  Koeleria macrantha A. A. Beetle; G . L. Stebbins Jr. 1942-5-31 3424 Siskiyou 3 miles south of Yreka. Comment
  CAS-BOT-BC340372  Kyhosia bolanderi Alice Eastwood 1912-8-30 1988 Siskiyou Mount Eddy Comment
  CAS-BOT-BC340378  Kyhosia bolanderi Louis C. Wheeler 1934-8-10 3103 Siskiyou Dead Cow Creek, Siskiyou Mts. 1828 Comment
  CHSC68145  Lagophylla ramosissima L. E. Detling 1959-6-12 8248 Siskiyou Klamath River Valley (Hornbrook). 670 Comment
  CAS-BOT-BC341697  Lagophylla ramosissima K. L. Chambers 1967-6-22 2851 Siskiyou Siskiyou Mountains. Knoll about 500 ft. above and east of the freeway (Hwy. 5) at the Hilts exit, Siskiyou Pass 1005 Comment
  CAS-BOT-BC341704  Lagophylla ramosissima Louis C. Wheeler 1934-6-2 2608 Siskiyou Klamath National Forest. Oak Knoll R. S. 670 Comment
  UC163826  Lathyrus jepsonii var. californicus Geo. D. Butler 1910-7-6 1644 Siskiyou Shackleford Creek 914 Comment
  JEPS96695  Lathyrus lanszwertii var. aridus Dean Wm. Taylor with Craig Martz, Joe Molter, Barbara Williams, Julie Nelson 1997-5-4 15984 Siskiyou ca. 4 air mi. s.w. Gazelle; Scott Mts., Yreka Ditch, Shasta Valley; ca. 4 air mi. s.w.; hillslopes of Scott Mts. along the Yreka Ditch, bordering Shasta Valley 960 Comment
  SEINET955921  Lathyrus maritimus G. D. Butler 1910-1 1588 Siskiyou Dlaup Bank 1524 Comment
  RSA3772  Lathyrus pauciflorus subsp. brownii A. A. Heller 1927-5-14 14378 Siskiyou About the base of black Butte near the western base of Mount Shasta. Comment
  JEPS55311  Lathyrus sulphureus Mrs. C. Quigley 1909-5-8 707 Siskiyou near Yreka; Klamath River Comment
  RSA429989  Lepidium campestre B. C. Templeton 1957-6-25 7731 Siskiyou Between Callahan and Gazelle. Comment
  NY76303  Lepidium montanum subsp. canescens A. A. Heller 1928-6-9 14610 Siskiyou Along the railroad between Gazelle and Grenada in the Shasta Valley Comment
  UCD115842  Lepidium perfoliatum Freed W. Hoffman 1948-7-7 2545 Siskiyou Near junction of Aetna and Ft. Jones roads. Comment
  CAS-BOT-BC60147  Lepidium virginicum var. menziesii Carl B. Wolf 1927-8-27 1147 Siskiyou On the Klamath River 10 miles above the Salmon River. Comment
  RSA48218  Leptosiphon bolanderi Roxana S. Ferris, Laura Lorraine 1948-6-12 11758 Siskiyou French Creek logging road west of Callahan. 1067 Comment
  RSA238011  Leptosiphon ciliatus Frederick W. Oettinger 1969-8-1 1129 Siskiyou near English Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. Comment
  UC1539984  Leucocrinum montanum M. Mitchell 1936-5-12 13 Siskiyou Eaglenest Butte; Lava Beds National Monument 1661 Comment
  CHSC96022  Leucothoe davisiae L. P. Janeway 2006-7-4 8787 Siskiyou Klamath Ranges. Scott Mountains; Darlingtonia fen and creeklet complex above Road 40N13 1.6 air km west of Scott Mountain Summit. 1728 Comment
  HSC36210  Leucothoe davisiae John Rehling 1975-8-11 106 Siskiyou S end of Little Duck Lake Comment
  SJSU6542  Leucothoe davisiae R. W. Trivelpiece 1973-6-22 153 Siskiyou trail to Big Duck Lakes, Scott R drainage c. 7 mi W of Callahan 1920 Comment
  HSC4868  Lewisia cotyledon J. O. Sawyer 1968-9-9 665 Siskiyou Ridges S of Cyclone Gap 1738 Comment
  UC7801  Lewisia cotyledon var. cotyledon Harley P. Chandler June, 1901 1594 Siskiyou ridges and meadows near Marble Mountain; North Coast Ranges 2286 Comment
  CAS-BOT-BC444081  Lewisia leeana Harley P. Chandler 1901-6-1 1609 Siskiyou North Coast Ranges. Near Marble Mountain 2286 Comment
  CHSC114575  Lewisia leeana M. S. Taylor 1980-7-8 3093 Siskiyou Shasta-Trinity National Forests, Mt. Shasta Ranger District, S side of Little Castle. 1767 Comment
  CDA23971  Lewisia nevadensis T. C. Fuller 1962-6-13 8985 Siskiyou Toad Well, road to Medicine Lake, ca. 12 miles northeast of Bartle. 0 Comment
  CAS-BOT-BC444577  Lewisia triphylla C. L. Hitchcock; J. S. Martin 1939-7-9 5337 Siskiyou Paradise Lake, near King's Castle 1767 Comment
  HSC24052  Lewisia triphylla J. O. Sawyer 1971-7-2 2403 Siskiyou 1463 Comment
  RSA237364  Lewisia triphylla Frederick W. Oettinger 1967-7-8 153 Siskiyou North-facing cliff between Big Blue Lake and Hogan Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2073 Comment
  CDA32461  Leymus cinereus T. C. Fuller 1958-6-19 1808 Siskiyou Fence row adjacent to open pasture, 3 miles northeast of Montague 0 Comment
  CDA32491  Leymus triticoides Unknown 1959-1-15 s.n. Siskiyou Ager, Southern Pacific Railway 0 Comment
  HSC61927  Ligusticum californicum Ruby Van Deventer 1959-7-9 Siskiyou Poker Flat 1585 Comment
  UC572969  Lilaeopsis occidentalis Louis C. Wheeler 1935-7-3 3645 Siskiyou 2 mi. n.w. Montague; Shasta R. 762 Comment
  HSC91458  Lilium kelleyanum Jennifer Whipple 1976-7-24 1570 Siskiyou Dobkins Lake 2073 Comment
  CAS-BOT-BC509380  Lilium kelleyanum Alice Eastwood 1921-7-24 10784 Siskiyou Castle Lake Comment
  RSA130325  Lilium kelleyanum Albert M. Vollmer 1949-7-5 11 Siskiyou 7 miles from Callahan on Callahan--Carrville road Comment
  CAS-BOT-BC130812  Lilium pardalinum H. A. Thomas; J. H. Thomas 1954-7-21 4412 Siskiyou Salmon - Trinity Mts. About 6 miles SE of Cecilville. West side of Rush Creek 1158 Comment
  SEINET3887240  Lilium pardalinum Alv Dan Youngberg 1964-6-14 69 Siskiyou Humbolt Meridian.; 0 427 Comment
  CHSC2292  Lilium pardalinum subsp. pardalinum V. Holt 1943-8-7 Siskiyou Marble Mountains. 1828 Comment
  CAS-BOT-BC130871  Lilium pardalinum subsp. wigginsii A. M. Vollmer; L. Beane 1953-7-1 112 Siskiyou Hamburg, Klamath River Comment
  HSC78955  Lilium pardalinum subsp. wigginsii L. P. Janeway 1983-8-13 534 Siskiyou Along S Fork of Indian Creek 1494 Comment
  HSC61120  Lilium parvum Al Hobart 1965-8-14 Siskiyou USFS Rd. 17N04, Doe Flat 1067 Comment
  CAS-BOT-BC132995  Lilium rubescens E. K. Balls 1949-7-10 13953 Siskiyou 3 miles from Sawyers bar on rd. to Cecilville 1005 Comment
  RSA28138  Lilium washingtonianum Albert M. Vollmer, I. L. Wiggins 1940-7-5 9 Siskiyou 3.5 miles northeast of the town on Mount Shasta 1402 Comment
  CAS-BOT-BC133022  Lilium washingtonianum subsp. purpurascens Gilbert Muth 1966-7-29 133 Siskiyou Marble Valley, Marble Mts. 1792 Comment
  CAS-BOT-BC133028  Lilium washingtonianum subsp. purpurascens Wayne Roderick 1967-7-23 s.n. Siskiyou Between Lily Pad Lake and Cook & Grass Pass 1676 Comment
  UC1190145  Lilium washingtonianum subsp. purpurascens Ira L. Wiggins 1955-7-24 13489 Siskiyou ridge between upper reaches of Chin Creek and Blind Horse Creek 1493 Comment
  CAS-BOT-BC133095  Lilium washingtonianum subsp. washingtonianum Alice Eastwood 1912-8-28 1950 Siskiyou Cantara Comment
  HSC69280  Lilium washingtonianum subsp. washingtonianum Maralyn A. Renner 1980-7-24 1992 Siskiyou Pacific Crest Trail above Lily Pad Lake. 1799 Comment
  HSC68673  Lilium washingtonianum subsp. washingtonianum Maralyn A. Renner 1980-7-4 1492 Siskiyou Trail from Doe Flat to Trout Camp 1098 Comment
  CHSC109946  Limnanthes alba Peter F. Zika 2012-5-14 25855 Siskiyou Cascade Range Highlands. I-5 southbound, one road mile n of (and above) exit 724 for Castella. 665 Comment
  UC164131  Linanthus bolanderi Geo. D. Butler 1909-4-26 611 Siskiyou near Oro Fino Comment
  UC537991  Linanthus harknessii Louis C. Wheeler 1934-7-3 2868 Siskiyou Soda Creek Siskiyou Mts., Sterling Mt. 1676 Comment
  HSC92600  Linanthus pungens Jennifer Whipple 1978-7-20 2356 Siskiyou E and S facing slopes draining into the N fork of the Sacramento River 2378 Comment
  RSA166006  Linaria dalmatica Donald Myrick 1961-6-20 285 Siskiyou On Old McCloud Road to Bear Springs about 1 mile east of Mt. Shasta City. 1159 Comment
  RSA0087558  Linnaea borealis subsp. longiflora Henry M. Pollard 1947-9-6 s.n. Siskiyou Dillons Mt. Forest Road. 1219 Comment
  JEPS12683  Linnaea borealis var. longiflora Ruby Van Deventer 1938-7-31 194 Siskiyou w side Poker Flat Woods; w side Poker Flat Woods 1219 Comment
  JEPS82719  Linnaea borealis var. longiflora Wayne Roderick 1983-7-10 Siskiyou Doe Flat; (next to Del Norte County) 1143 Comment
  UC1045254  Linnaea borealis var. longiflora W. Bridge Cooke 1940-8-8 15421 Siskiyou along Squaw Valley Creek below McCloud intake; Mount Shasta, along Squaw Valley Creek below McCloud intake Comment
  HSC61604  Listera convallarioides Ruby Van Deventer 12 Jul [year missing] Siskiyou Lookout Mountain Comment
  UC5490  Lithocarpus densiflorus W. H. Brewer 1862-6-17 1443 Siskiyou between Camp 98 and Soda Springs; Mt. Shasta Comment
  CAS-BOT-BC36575  Lithocarpus densiflorus var. echinoides Wm. Bridge Cooke 1941-9-16 16321 Siskiyou along trail to Castle Lake Road 1219 Comment
  JEPS24622  Lithocarpus densiflorus var. echinoides Rimo Bacigalupi with Drs. Reino and Aloha Alava 1958-8-31 6775 Siskiyou directly opposite Mossbrae Falls (on bank of Sacramento River, between Shasta Retreat and Shasta Springs); Sacramento River 731 Comment
  HSC22237  Lithophragma heterophyllum J. O. Sawyer 1969-7-11 863 Siskiyou Ravine above C.C.C. road. 1280 Comment
  UC196955  Lolium multiflorum Geo. D. Butler 1909-6-7 828 Siskiyou along creek near Yreka Comment
  UC1731419  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
  HSC39322  Lomatium macrocarpum J. P. Smith 1974-5-26 7387 Siskiyou Along FS Rd. 47N03 1524 Comment
  JEPS84043  Lomatium macrocarpum L. R. Heckard with J. Hickman et al. 1986-7-17 6454 Siskiyou ca. 5 mi. n. town of Seiad Valley (ridge e. of Kangaroo Peak, s. of Lily Pad Lake) 1900 Comment
  SEINET193348  Lomatium nevadense var. nevadense Lincoln Constance, Reed C. Rollins 1942-5-14 2918 Siskiyou One mile east of Yreka. 762 Comment
  RSA452584  Lomatium nudicaule L. C. Wheeler 1935-6-29 3623 Siskiyou Yreka 808 Comment
  HSC46186  Lomatium piperi Jennifer Whipple 1977-3-20 1833 Siskiyou Scott Valley near Weston Gulch 854 Comment
  UC698032  Lomatium vaginatum J. F. Gates Clarke 1944-4-7 Siskiyou near Hornbrook (E side of Hwy 99, one mi S of California - Oregon border) Comment
  HSC81884  Lonicera ciliosa Barry Silver 1986-5-24 638 Siskiyou West Branch Campground, Klamath National Forest, 7 mi. NW of Happy Camp. 671 Comment
  HSC4900  Lonicera conjugialis J. O. Sawyer 1968-7-10 460 Siskiyou Floodplain of Sugar Creek near Sugar Lake. 1799 Comment
  HSC61904  Lonicera conjugialis Ruby Van Deventer 1938-7-31 Siskiyou Poker Flat 1585 Comment
  RSA126301  Lonicera conjugialis I. L. Wiggins 1955-7-27 13568 Siskiyou Caribou Lake, Salmon-Trinity Alps Primitive Area. 2043 Comment
  SEINET3106104  Lonicera conjugialis Steve Selva, Roger Jensen 1974-8-16 13 Siskiyou North shore of Sugar Lake. Comment
  UC1608337  Lonicera conjugialis J. Kierstead 1991-5-8 90 -58 Siskiyou Lakin Dam on the McCloud River Shasta-Trinity National Forests, McCloud Ranger Dist. 1097 Comment
  UC195242  Lonicera conjugialis Annie M. Alexander and L. Kellogg 1911-6-26 127 Siskiyou Jackson Lake 1798 Comment
  CAS-BOT-BC200969  Lotus Elmer I. Applegate 1895-5-30 953 Siskiyou Sisson Comment
  JEPS107490  Lotus humistratus Lowell Ahart, John Dittes 2005-6-10 12115 Siskiyou Rocky hillside, north of the rock fence, about 100 yards southeast of the pump house along the Shasta River, about 1.9 miles (air) south of Highway 99/97 Cutoff, about 6 miles (air) east-southeast of Grenada 776 Comment
  UC81102  Lotus micranthus Katharine Brandegee Jul 1887 Siskiyou Sisson Comment
  JEPS100701  Lotus nevadensis var. nevadensis Dean Wm. Taylor with Glenn Clifton 1990-6-12 10874 Siskiyou Adobe Flat Reservoir, ca. 5 miles N of Timbered Crater, 1075 Comment
  HSC26153  Lotus unifoliolatus var. unifoliolatus J. P. Smith, J. O. Sawyer 1972-9-14 5805 Siskiyou Miner's Creek Rd. just S of French Creek Rd. between Callahan and Etna. 915 Comment
  HSC26912  Luetkea pectinata J. P. Smith 1971-9-16 4764 Siskiyou Ridge S of Bingham Lake. 2134 Comment
  HSC60910  Luetkea pectinata Al Hobart Siskiyou Black Butte Comment
  HSC83924  Luetkea pectinata K. Berg, Stephanie Bennett 1986-8-25 639 Siskiyou Salmon-Trinity Alps Wilderness, headwaters of Little S Fork of Salmon River, above Little S Fork Lake 1982 Comment
  UCD113638  Luetkea pectinata J. M. Tucker 1963-7-8 3732 Siskiyou Trail to Marble Valley, ca. 2 miles south of Paradise Lake, Marble Mountain Wilderness Area. 1981 Comment
  SD53402  Lupinus Darley F. Howe 1962-8-6 3400 Siskiyou Mt. Shasta 2438 Comment
  JEPS25559  Lupinus albicaulis Rimo Bacigalupi with George Bacigalupi Jr. 1959-6-30 7182 Siskiyou SW of Mt. Shasta (town) Comment
  UCD105849  Lupinus albicaulis Rimo Bacigalupi; Mr. and Mrs. Van Deventer 1959-7-9 7274 Siskiyou Poker Flat. 1536 Comment
  RSA519115  Lupinus albicaulis var. albicaulis 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
  CHSC71299  Lupinus albicaulis var. shastensis Vernon H. Oswald 1998-6-11 9184 Siskiyou Shasta NF plantation on the west side of Hwy. 97 2.2 mi northeast of Lake Shastina-Big Springs Rd., northeast of Weed. 1066 Comment
  UC398668  Lupinus albicaulis var. shastensis A. A. Heller 1927-8-1 14436 Siskiyou near Shasta Springs (Type Station); near Shasta Springs Comment
  UC563063  Lupinus albicaulis var. shastensis Elmer I. Applegate 1923-9-7 3953 Siskiyou Doggett Ridge Doggett Ridge, Siskiyou Mountains (s slope of the Siskiyou Mountains); , Doggett Ridge Comment
  UC640281  Lupinus albifrons H. and M. Dearing 1939-6-4 3544 Siskiyou Fort Jones Comment
  POM11084  Lupinus albifrons var. eminens Geo. D. Butler 1910-5-2 1268 Siskiyou Around Yreka. Comment
  UC1408828  Lupinus andersonii Frederick W. Oettinger 1968-8-19 587 Siskiyou English Peak Salmon Mountains, Marble Mountain Wilderness Area (Crapo View Gap) 2133 Comment
  RSA237946  Lupinus andersonii var. andersonii Frederick W. Oettinger 1968-8-19 587 Siskiyou Crapo View Gap, English Peak. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2134 Comment
  UC563134  Lupinus angustiflorus Elmer I. Applegate 1923-8-20 3907 Siskiyou ridge on s side Medicine Lake; s side of Medicine Lake 2133 Comment
  HSC37523  Lupinus bicolor J. P. Smith 1974-5-25 7421 Siskiyou Along Rd. 8, 0.9 mi. from its junction with Hwy. 3 976 Comment
  POM23593  Lupinus bicolor subsp. tridentatus Geo. D. Butler 1910-4-16 1190 Siskiyou Yreka. Comment
  RSA47806  Lupinus bicolor subsp. tridentatus Roxana S. Ferris, Laura Lorraine, Daniel F. Ferris 1948-6-12 11727 Siskiyou French Creek logging road west of Callahan. 1067 Comment
  UC147327  Lupinus breweri Harley P. Chandler June, 1901 1590 Siskiyou near Marble Mountain; North Coast Ranges, near Marble Mountain 1981 Comment
  CAS-BOT-BC196693  Lupinus breweri var. breweri Carl B. Wolf 1934-7-5 5961 Siskiyou Siskiyou Mts., 3 6/10 mi. from Dry Lake Lookout on road to Horse Creek 1981 Comment
  RSA372147  Lupinus croceus var. pilosellus O. Kenney 1973-6-4 384 -a Siskiyou Along road from Cecilville to Callahan, 6.4 miles W of Callahan 1738 Comment
  UC146920  Lupinus klamathensis Harley P. Chandler June, 1901 1720 Siskiyou ridges and meadows near Marble Mountain (Shackleford Canyon); North Coast Ranges, near Marble Mountain 1828 Comment
  UCD108204  Lupinus latifolius var. latifolius J. M. Tucker 1974-7-28 4325 Siskiyou adjacent to camp at Haypress Meadows, Marble Mountain Wilderness Area. 1463 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
  UC60975  Lupinus latifolius var. viridifolius Geo. B. Grant September 1902 5233 Siskiyou Mount Shasta, Shasta Springs Mount Shasta; , Shasta Springs 609 Comment
  UC865529  Lupinus latifolius var. viridifolius L. E. Smith 1913-7-4 Siskiyou Castle Crags Comment
  SEINET194957  Lupinus laxiflorus A. A. Heller 1938-7-12 15260 Siskiyou Border of a meadow east of Deer Mountain on the old U.S. Highway 97, toward Bray. 1402 Comment
  RSA166007  Lupinus leucophyllus Donald Myrick 1961-6-21 314 Siskiyou Siskiyou county: on Deer Camp road above oak Knoll Ranger Station on Klamath River 19 miles W of Hwy 99. 1738 Comment
  UC156996  Lupinus luteolus Geo. D. Butler 1908-6-23 375 Siskiyou near Yreka; near Yreka Comment
  RSA413776  Lupinus luteolus Bonnie C. Templeton 1960-6-21 8531 Siskiyou Between California State line and the Agricultural Inspection Station Comment
  RSA413777  Lupinus lyallii var. lobbii M. B. Dunkle 1945-8-2 9285 Siskiyou Klamath National Forest, Marble Mts., Kings Castle. Comment
  CHSC930  Lupinus polyphyllus var. pallidipes K. Jaekel 1939-7-7 Siskiyou Mt. Shasta. 1219 Comment
  HSC41643  Lupinus sellulus subsp. ursinus J. O. Sawyer, Ed Cope 1977-6-21 2982 Siskiyou Near Prescott Peak along headwaters of W Fork of Clear Creek 1677 Comment
  HSC68532  Lupinus sellulus var. artulus Maralyn A. Renner 1980-6-24 1071 Siskiyou 1/2 mi. E of Cook and Green Pass 1555 Comment
  HSC71651  Lupinus sellulus var. artulus J. P. Smith, Steve Selva 1970-6-16 4005 Siskiyou 5 mi. from Hwy. 3 on Rd. 8 to Sugar Creek. 1189 Comment
  HSC74871  Lupinus sellulus var. artulus J. P. Smith, Jennifer Whipple 1978-7-2 9971 Siskiyou Trail from Cook and Green Pass to Copper Butte. 1768 Comment
  NY16053  Lupinus violaceus A. A. Heller 1905-6-15 8037 Siskiyou Near Sisson Comment
  HSC46056  Luzula comosa Maralyn O'Meara 1974-5-25 419 Siskiyou On Rd. 8, 4.7 mi. W of junction with Hwy. 3 1159 Comment
  HSC709  Luzula comosa William J. Ferlatte 1967-8-19 1038 Siskiyou S Fork of Salmon River, between campground and Carter's 1524 Comment
  CAS-BOT-BC436706  Luzula comosa var. laxa Roxana S. Ferris; Laura Lorraine 1948-6-12 11743 Siskiyou French Creek Logging Road west of Callahan 1219 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
  UC1265318  Luzula divaricata Frederick W. Oettinger 1968-8-8 447 Siskiyou along ridge English Peak trail (High Lake Basins in the vicinity of English Peak, Salmon Mountains, western Siskiyou County, Marble Mountain Wilderness Area); Salmon Mountains, Marble Mountain Wilderness Area 2164 Comment
  JEPS40872  Luzula parviflora Paul C. Hutchison 1962-8-2 932 Siskiyou between Panther Meadow and top ski lift; Mount Shasta, bet Panther Meadow and top ski lift 2743 Comment
  UC843145  Luzula parviflora John Thomas Howell 1939-8-9 15228 Siskiyou ridge s Marble Valley (Marble Mts.); , ridge s of Marble Valley Comment
  CDA16167  Lycium barbarum G. F. Hrusa, T. D. Wilfred 1999-5-31 15065 Siskiyou Klamath Ranges; Along Klamath River on E side of I-5 at Klamath R. rest area +- 10 mi N of Yreka. 640 Comment
  CDA40732  Lycopus asper T. C. Fuller 1963-8-27 11165 Siskiyou North shore of Lower Klamath Lake, south side of Dorris-Tulelake Road, 12.4 miles west of Hatfield. 0 Comment
  CAS-BOT-BC344015  Madia elegans Lewis S. Rose 1937-7-3 37394 Siskiyou Weed 944 Comment
  UCR66731  Madia exigua L. C. Wheeler 1934-6-2 02607 Siskiyou Siskiyou Mtns, Oak knoll ranger station, Klamath River 671 Comment
  UCR37838  Madia gracilis L. P. Janeway 1983-7-31 477 Siskiyou Poker Flat, upper portion of meadow 1524 Comment
  CAS-BOT-BC343425  Madia gracilis L. E. Smith 1915-6-15 s.n. Siskiyou Sisson Comment
  OBI58649  Madia gracilis David J. Keil 1992-7-20 23493 Siskiyou Klamath NF, W of Fort Jones. Along Forest Rd 44N45, 3.9 mi S of Scott river rd Comment
  RSA452625  Mahonia nervosa M. B. Dunkle 1944-6-25 9012 Siskiyou Beaver Creek, Siskiyou Mt. 1677 Comment
  HSC18917  Maianthemum racemosum subsp. amplexicaule J. O. Sawyer 1968-6-18 173 Siskiyou Above S Russian Creek on W side. 1463 Comment
  HSC96871  Maianthemum stellatum Gordon Leppig 1998-7-10 914 Siskiyou Russian Wilderness, cirque W of Little Duck Lake 671 Comment
  CAS-BOT-BC514184  Maianthemum stellatum J. M. Tucker 1963-7-5 3702 Siskiyou Blake's Fork of South Russian Creek (a tributary of the Salmon River), 7 miles (airline) east of Sawyer's Bar, Salmon Mountains 1615 Comment
  UC127826  Malacothrix floccifera Harley P. Chandler june, 1901 1728 Siskiyou near Marble Mountain; North Coast Ranges, Shackleford Canyon 1828 Comment
  CAS-BOT-BC105074  Melica aristata R. C. Wenk 2008-7-24 916 Siskiyou SW side of Mount Shasta, growing by side of road, Everitt Memorial Highway 1676 Comment
  SJSU11323  Melica harfordii S. H. Casey 1981-7-4 1215 Siskiyou Seiad Creek Road 1 mi below summit of Cook & Green Pass c. 8 mi N of Seiad Valley, NW Siskiyou County 1219 Comment
  HSC39870  Melica stricta J. O. Sawyer 1969-7-9 1264 Siskiyou N slope of Grizzly Peak. 2378 Comment
  UCD125058  Mentha canadensis J. P. Smith; Steve Selva 1970-8-7 4542 Siskiyou Junction Interstate 5 and Stewart Creek Road. Comment
  JEPS63435  Mentha spicata Geo. D. Butler 1908-7-17 178 Siskiyou Butler's Ranch Yreka (Yreka) Comment
  RSA201180  Mentzelia montana Dorothy Parker 1967-5-14 s.n. Siskiyou McConahue Gulch, Scott Valley. 1128 Comment
  RSA733949  Mentzelia multiflora J. Russell Bruff 1928-7-9 s.n. Siskiyou Summit of Jerome Mt. Comment
  CAS-BOT-BC428556  Micranthes aprica John Thomas Howell 1937-7-24 13408 Siskiyou Caribou Basin, Salmon-Trinity Alps 2286 Comment
  CAS-BOT-BC429155  Micranthes odontoloma Gilbert Muth 1965-8-17 308 Siskiyou Lower Creek on trail to Blk. Mt. Comment
  HSC67937  Micropus californicus var. californicus J. P. Smith 1973-5-5 6542 Siskiyou Scott Bar along the Scott River Comment
  CHSC88402  Microseris laciniata subsp. laciniata Jenny Marr 1993-7-1 161 Siskiyou Butte Valley Wildlife Area, +/- 7 air miles NW of the town of MacDoel. Meadow NW of Meiss Lake. 1349 Comment
  JEPS13223  Microseris laciniata subsp. laciniata W. L. Jepson Jul 24 1894-Aug 10 1894 Siskiyou Sisson (present Mt. Shasta town) Comment
  HSC77029  Microseris nutans K. T. Stillman 1976-6-25 48 Siskiyou Marble Mtn. Wilderness Area, SW facing slope. 1921 Comment
  UC564178  Microseris nutans Elmer I. Applegate 1935-6-7 9417 Siskiyou Bear Paw Cave Lava Beds National Monument Comment
  CAS-BOT-BC349373  Microseris nutans L. E. Smith 1913-5-12 203 Siskiyou Castle Creek Comment
  HSC36956  Microsteris gracilis J. P. Smith 1974-5-26 7567 Siskiyou Along FS Rd. 47N03 1524 Comment
  UC1586887  Mimulus Juha Pykala and D. H. Norris 1987-6-26 1981 Siskiyou n Tickner Hole; Marble Mountain Wilderness Area Comment
  UC446430  Mimulus arvensis T. H. Gilbert Jun 15 1899-Jul 15 1899 Siskiyou Scott River Valley Comment
  JEPS11704  Mimulus breweri F. W. Pennell 1940-7-19 26197 Siskiyou Mount Shasta 1981 Comment
  HSC29404  Mimulus guttatus Frederick W. Oettinger 1969-8-22 1496 Siskiyou Salmon Mountains, Horse Range Lake, S of Horse's Hole Pond. 1875 Comment
  CDA41799  Mimulus guttatus subsp. micranthus F. D. Horn 1977-5-17 s.n. Siskiyou Highway 263, Shasta River Canyon, northeast of Yreka. 0 Comment
  POM213853  Mimulus layneae G. C. Kimber 1934-6-9 33 Siskiyou Ney Creek 1/8 mi from junction with Sacramento River. 732 Comment
  POM43116  Mimulus layneae Geo. D. Butler 1910-6-19 1585 Siskiyou Goosenest foothills. 1524 Comment
  SBBG19766  Mimulus moschatus H. and M. Dearing 1938-6-29 2188 Siskiyou Wagon Camp, Mt Shasta 1828 Comment
  HSC447  Mimulus moschatus William J. Ferlatte 1967-8-19 1035 Siskiyou Along the S Fork of the Salmon River between the campground and Carter's 1524 Comment
  UCD77259  Mimulus moschatus Robert E. Preston 2001-6-30 1641 Siskiyou Klamath National Forest, Rainbow Mountain. 1722 Comment
  HSC91020  Mimulus nanus Jennifer Whipple 1977-8-4 2147 Siskiyou Trinity and Siskiyou Counties: Summit region of Mt. Eddy 2622 Comment
  UC1540004  Mimulus nanus var. nanus M. Mitchell 1936-5-22 51 Siskiyou Black Crater Lava Beds National Monument 1356 Comment
  HSC99276  Mimulus nanus var. nanus D. M. Thompson 1988-6-5 933 Siskiyou 10 mi. NE of Weed along Hwy. 97, NW side of road 1149 Comment
  RSA237535  Mimulus nanus var. nanus Frederick W. Oettinger 1967-8-5 948 Siskiyou Northwest of Lower English Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1829 Comment
  RSA48209  Mimulus nanus var. nanus Roxana S. Ferris, Laura Lorraine 1948-6-12 11851 Siskiyou 1.5 miles below summit of Gazelle Mountain grade, east side. 1418 Comment
  JEPS84010  Mimulus primuloides L. R. Heckard with J. Hickman et al. 1986-7-17 6503 Siskiyou e Condrey Mt.; Alex Hole 1950 Comment
  UC70445  Mimulus primuloides subsp. linearifolius Milo S. Baker July 1899 Siskiyou near Sisson; Sacramento River Comment
  UCD122891  Mimulus primuloides var. linearifolius Dean William Taylor 1972-7-3 1603 Siskiyou At Cook and Green Pass. 1371 Comment
  UC166123  Minuartia douglasii Geo. D. Butler 1909-5-2 660 Siskiyou near Yreka Comment
  CAS-BOT-BC174731  Minuartia nuttallii Doris K. Kildale 1929-8-24 8817 Siskiyou Preston Peak 2225 Comment
  CAS-BOT-BC181111  Minuartia nuttallii var. gregaria Ira L. Wiggins 1955-7-29 13584 Siskiyou Summit of ridge above Thompson Creek, trail to Caribou Lake 1999 Comment
  UC165314  Minuartia pusilla Geo. D. 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
  POM229186  Mirabilis greenei Louis C. Wheeler 1935-7-17 3667 Siskiyou Scott Valley, near Fort Jones, Mouth Indian Creek 854 Comment
  CAS-BOT-BC229613  Mirabilis greenei Dorothy Parker 1950-6-5 449 Siskiyou On the W side of Scott Valley 914 Comment
  POM68863  Mirabilis greenei Geo. D. Butler 1910-5-11 1334 Siskiyou Shasta Valley Comment
  UC1190268  Mitella diversifolia Ira L. Wiggins 1955-7-24 13481 Siskiyou China Creek; diversion dam 1097 Comment
  CAS-BOT-BC433019  Mitella diversifolia Clarence R. Quick 1959-6-19 59 -18 Siskiyou 6.7 miles south of Four Corners on ridge south-east of Seiad Valley Comment
  HSC64877  Mitella pentandra J. P. Smith, Steve Selva 1970-6-16 4069 Siskiyou 8 mi. W of Etna on road to Sawyers Bar. 1372 Comment
  UCR93379  Monardella Kathy Harper, Dane Karr 1994-6-15 s.n. Siskiyou Vicinity of Bartle, c. 0.25 mi. south of McIntosh Vista on road between Calif. Hwy 89 and Pioneer Hill Road 1341 Comment
  HSC24689  Monardella glauca J. O. Sawyer 1969-8-1 1674 Siskiyou SE facing slope above Duck Lake Creek 1951 Comment
  SEINET3996519 Image available Monardella odoratissima R. Tofsrud, J. M. Tucker 1948-8-2 1757 Siskiyou Ca. 2 miles south of McCloud Comment
  CAS-BOT-BC222169  Monardella odoratissima subsp. pallida Marion Ownbey; Fred G. Meyer 1940-7-5 2182 Siskiyou On East side of Mt. Shasta Comment
  HSC67785  Monardella odoratissima subsp. pallida J. O. Sawyer, J. Cole 1980-7-21 3831 Siskiyou N of FS Rd. 44N01 near intersection with road to Lava Camp. 1677 Comment
  JEPS63424  Monardella odoratissima subsp. pallida W. L. Jepson 1894-8-4 59 f Siskiyou Mt. Shasta Comment
  UC60931  Monardella odoratissima subsp. pallida Geo. B. Grant September, 1902 5208 Siskiyou Dunsmuir Mount Shasta 609 Comment
  JEPS25673  Monardella odoratissima subsp. pallida Rimo Bacigalupi with Mr. and Mrs. Van Deventer 1959-7-10 7318 Siskiyou jeep road between Poker Flat and Twin Valley (near (but not on) serpentine area at ridge-top marking Del Norte-Siskiyou County boundary); Siskiyou Mts. 1664 Comment
  RSA68919  Monardella odoratissima subsp. pallida A. E. Culbertson 1943-8-1 38 Siskiyou Castle Lake. 14 miles s.w. of Mt. Shasta on n side of a 6600 eastern spur of Trinity Mts.; 2000 above Sacramento R. within 10 air miles at its headwaters to the west. 1657 Comment
  JEPS83877  Monardella purpurea Wayne Roderick July 1986 Siskiyou Vicinity Cook and Green Pass, along trail to Lily Pad lake. Siskiyou Mts. 1463 Comment
  SEINET10499763  Monardella sheltonii Mary Merello 1993-6-22 Merello 696 Siskiyou Shasta National Forest. Along Forest Road 26 to Lake Siskiyou outside of Mt. Shasta City. Mixed conifer forest. Steep, rocky serpentine slopes along Sacramento River. 1270 Comment
  RSA262375  Monotropa hypopitys D. V. Hemphill 1974-7-28 s.n. Siskiyou Ca. 1/4 mile north of Jawbone Camp. Marble Mountain Wilderness Area. 1555 Comment
  HSC48340  Montia chamissoi Maralyn O'Meara 1974-5-25 414 Siskiyou On Rd. 8, ~4.7 mi. W of junction with Hwy. 3 1159 Comment
  CDA23980  Montia linearis Vernon H. Oswald & Lowell Ahart 1998-6-11 9204 Siskiyou Dry Lake on the south side of Tennant Road, ca. 9 air miles east of Grass Lake, ca. 22 air miles northeast of Weed. Comment
  JEPS43326  Montia linearis J. W. Kisling 1910-1 Siskiyou Edgewood Comment
  HSC29447  Montia parvifolia Frederick W. Oettinger 1969-7-13 1004 Siskiyou Marble Mtn. Wilderness Area, N of Upper English Lake 1951 Comment
  CAS-BOT-BC267043  Muhlenbergia filiformis John Thomas Howell 1937-7-25 13445 Siskiyou Caribou Basin, Salmon - Trinity Alps 2286 Comment
  CAS-BOT-BC267053  Muhlenbergia filiformis Arthur Menzies 1962-6-21 s.n. Siskiyou Morgan Meadows, base of Mount Eddy 1706 Comment
  UCD86715  Muhlenbergia filiformis R. Tofsrud 1950-7-1 s.n. Siskiyou E. side of Mt. Shasta. Comment
  SEINET10599825  Muhlenbergia filiformis A. Arthur Heller 1914-8-25 Heller 11704 Siskiyou Plentiful in moist sandy soil near Deetz station 6 miles north of Sisson, completely covering the ground in places on the edges of thickets and burnt-over land. 1158 Comment
  CAS-BOT-BC275337  Muhlenbergia jonesii John R. Reeder; Charlotte G. Reeder 1972-7-24 5807 Siskiyou 1.5 miles SSE of Bartle 1219 Comment
  CHSC69100  Muhlenbergia jonesii Vernon Oswald; Lowell Ahart 1997-7-28 8784 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
  CAS-BOT-BC275339  Muhlenbergia jonesii W. B. C. 1940-7-5 15247 Siskiyou Mount Shasta. Along the Wagon Camp road Comment
  HSC100332  Muhlenbergia richardsonis J. P. Smith 2011-7-15 13300 Siskiyou Off Tennant Road at a large, open borrow pit 1417 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
  SEINET209083 Image available Myriophyllum sibiricum L. C. Wheeler 1935-6-23 3591 Siskiyou Shasta River 2 mi NW Montague. 762 Comment
  CHSC4554  Nama lobbii J. E. Bowlin 1967-7-18 41 Siskiyou On roadside, ca. 3.9 mi w of Mount Shasta Ski Bowl. 2133 Comment
  CHSC9485  Nama lobbii J. F. Goodwin 1971-7-3 136 Siskiyou 6.0 mi. south of Mt. Shasta Ski Bowl area. 1737 Comment
  HSC82521  Nama lobbii Thomas W. Nelson, Jane P. Nelson 1980-7-5 5973 Siskiyou Fowler's Campground 1006 Comment
  RSA74810  Nama lobbii F. W. Peirson 1923-7-19 3821 Siskiyou Whitney Creek at the foot of Mt. Shasta. Comment
  UC107202  Nama lobbii Wm. M. Canby in company with Profs. C. S. Sargent and John Muir 1897-9-7 207 Siskiyou Mt. Shasta Comment
  CAS-BOT-BC516027  Narthecium californicum W. R. Dudley 1905-8-4 s.n. Siskiyou Trail to Mount Eddy Comment
  RSA715957  Nasturtium officinale L. Ahart, John Dittes 2005-6-10 12079 Siskiyou On the N side of the Shasta River, about 60 yards NW of the pump house along the Shasta River, about 1.9 miles (air) south of Hwy 99/97 Cutoff, about 6 miles (air) ESE of Grenada. 777 Comment
  UC1023728  Navarretia capillaris W. Bridge Cooke 1941-7-18 16062 Siskiyou along the Wagon Camp--Bear Springs Road Mount Shasta (Mount Shasta) 1676 Comment
  RSA238002  Navarretia capillaris Frederick W. Oettinger, R. F. Thorne 1969-8-7 1265 Siskiyou Pine Lake Meadow. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1883 Comment
  UCD48378  Navarretia divaricata Robert F. Preston 2002-6-20 1831 Siskiyou Klamath National Forest, Rainbow Mountain, W ridge, on E-facing slope. 1911 Comment
  CHSC57437  Navarretia intertexta subsp. intertexta L. P. Janeway 1984-6-21 850 Siskiyou At Ti Bar Flat, on east side of Klamath River. Along dirt road. 213 Comment
  JEPS81653  Navarretia leucocephala subsp. minima L. R. Heckard with L. Constance and R. Ornduff 1969-6-24 2298 Siskiyou on US Hwy 97 0.8 mi s Bray junction; Murphy Wells 1493 Comment
  UC726811  Navarretia linearifolia subsp. linearifolia A. A. Heller 1916-7-20 12476 Siskiyou near Wagon Creek Falls; e side Mt. Eddy, near Wagon Creek Falls 1371 Comment
  UCD48626  Navarretia pubescens Robert E. Preston 1995-6-18 879 Siskiyou CA: Siskiyou Co.; ca. 3 mi ese of Hornbrook, in oak woodland adjacent to Ager Rd; (Copco 15' quad). 701 Comment
  CAS-BOT-BC219535  Nemophila parviflora Clarence R. Quick 1958-6-17 58 -23 Siskiyou Near Black Bear Summit south of Sawyer's [Sawyers] Bar on ridge road to Cecilville 1356 Comment
  UC796661  Nemophila parviflora var. austiniae Roxana S. Ferris and Laura Lorraine Jun 12 1948-Jun 16 1948 11739 Siskiyou French Creek Logging Road w Callahan; French Creek Logging Road w of Callahan 1066 Comment
  POM216006  Nemophila parviflora var. austiniae Louis C. Wheeler 1935-5-5 3462 Siskiyou Greenhorn Creek. Siskiyou Mtns. (Mt Diablo Mer.) 854 Comment
  UCR131625  Nicotiana quadrivalvis L. C. Wheeler 1934-9-17 3273 Siskiyou Siskiyou Mtns., Dutch Creek off Klamath River 701 Comment
  HSC62466  Noccaea fendleri subsp. glauca Ruby Van Deventer 1959-7-9 Siskiyou Twin Valley Comment
  HSC81838  Noccaea fendleri subsp. glauca Thomas W. Nelson, Jane P. Nelson 1980-7-20 6182 Siskiyou Above and to SE of Big Carmen Lake 1738 Comment
  CHSC402  Nothocalais alpestris V. Holt 1943-8-9 Siskiyou Marble mountains. 1828 Comment
  HSC27252  Nothocalais troximoides J. P. Smith, J. O. Sawyer 1972-5-7 5284 Siskiyou 2.3 mi. W of Lava Beds National Monument, on road to Mtn. Dome. 1220 Comment
  CHSC69838  Nothochelone nemorosa J. O. Sawyer 1969-7-24 1457 Siskiyou Northeast facing slope above Sugar Lake. 1783 Comment
  HSC19137  Nothochelone nemorosa J. O. Sawyer 1969-7-23 1457 Siskiyou Near Sugar Lake 1799 Comment
  NY790538  Nothochelone nemorosa D. D. Keck 1938-8-6 4821 Siskiyou At Del Norte Co. line, Poker Flat, on north slope just southeast of summit 1402.1 Comment
  SACT001618  Notholcus lanatus G. Kimber 1934-6-9 Siskiyou .15 mile above junction with Sacramento River. Comment
  CAS-BOT-BC400117  Nuphar polysepala Doris K. Kildale 1928-8-20 6598 Siskiyou Lily Pad Lake on trail to Marble Mountain near Hancock Lookout 2133 Comment
  JEPS46108  Oemleria cerasiformis Duncan Dunning 1923-6-15 Siskiyou trail between Godfreys Ranch and Sawyers Bar (sw Siskiyou County) Comment
  CAS-BOT-BC355597  Oreostemma alpigenum var. andersonii David D. Keck 1938-8-8 4868 Siskiyou At Trinity Co. line: Scott Mountain Divide, between Scott Mtn. and Craggy Peak 1675 Comment
  HSC34269  Oreostemma alpigenum var. andersonii J. P. Smith, J. O. Sawyer 1973-8-14 7319 Siskiyou W of Cliff Lake 1982 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
  JEPS24818  Oreostemma alpigenum var. andersonii Rimo Bacigalupi with Drs. Reino and Aloha Alava 1958-9-2 6834 Siskiyou just below and n of Scott Mtn. Road summit; Scott Mtn. 1615 Comment
  HSC73298  Orobanche fasciculata M. A. Baker 1980-6-20 2213 Siskiyou Near Bald Mtn. 1036 Comment
  UC1024069  Orobanche uniflora subsp. occidentalis Dorothy Parker 1954-4-12 612 Siskiyou Siskiyou Mountains near Callahan. Comment
  CAS-BOT-BC458072  Orthilia secunda Maxine Wilkes 1940-8-18 s.n. Siskiyou Deep Lake, Marble Mts. Comment
  HSC62314  Orthilia secunda Ruby Van Deventer Aug 1957 Siskiyou Youngs Valley. Comment
  UC1190162  Orthilia secunda Ira L. Wiggins 1955-7-24 13495 Siskiyou Ridge between upper reaches of China & Blind Horse Creeks 1645 Comment
  UCD117706  Orthilia secunda Dean William Taylor 1972-7-3 1589 Siskiyou At Cook and Green Pass. 1371 Comment
  UCR101272  Orthilia secunda L. C. Wheeler 1959-7-25 7594 Siskiyou Marble Mountains, Camp Three, Rogers Creek 329 Comment
  CAS-BOT-BC458078  Orthilia secunda Milo S. Baker 1926-8-21 307 -26 Siskiyou Near Sulphur Springs, 9.5 miles from Mineral 2072 Comment
  CAS-BOT-BC458086  Orthilia secunda Doris K. Kildale 1929-8-24 8831 Siskiyou Preston Peak 2225 Comment
  CAS-BOT-BC458096  Orthilia secunda Annetta Carter 1939-8-21 1469 Siskiyou Above SE end of Taylor Lake, 12 mies SW of Etna, Salmon Mountains 2164 Comment
  RSA0083190  Orthilia secunda Frederick W. Oettinger 1967-8-3 233 Siskiyou Slope leading down from Little Hancock Lake to Hancock Lake. The Salmon Mtns. High lake basins in the vicinity of English Peak. Marble Mtn Wilderness Area. 1982 Comment
  NY90839  Orthocarpus copelandii E. B. Copeland 1903-8-18 s.n. Siskiyou Mt. Eddy 2133.6 Comment
  CAS-BOT-BC6998  Orthocarpus copelandii var. copelandii Edwin Bingham Copeland 1903-8-18 s.n. Siskiyou Mt. Eddy 2133 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
  CAS-BOT-BC266619  Orthocarpus cuspidatus Dorothy Parker 1948-7-11 101 Siskiyou Shovel Creek, near Beswick 1011 Comment
  HSC69104  Orthocarpus cuspidatus subsp. copelandii Maralyn A. Renner 1980-8-4 2226 Siskiyou Flint Valley 1390 Comment
  UC164259  Orthocarpus cuspidatus subsp. cuspidatus Geo. D. Butler 1909-6-22 930 Siskiyou foothills Goosenest Mountain; foothills of Goosenest Mountain Comment
  CAS-BOT-BC7008  Orthocarpus pachystachyus Edward Lee Greene 1876-5-26 s.n. Siskiyou Near Yreka Comment
  SEINET10913365 Image available Orthocarpus pachystachyus Edward L. Greene 1876-5-26 Greene 813 Siskiyou Collected near Yreka. Siskiyou County. Comment
  UC642517  Osmorhiza berteroi W. Bridge Cooke 1939-6-23 13546 Siskiyou upper Wagon Camp meadow Mount Shasta Comment
  HSC76685  Osmorhiza occidentalis K. T. Stillman 1976-7-30 322 Siskiyou Marble Mtn. Wilderness Area, ridge N of Black Mtn. into Elk Valley by way of Boulder Field, SE corner of valley 1768 Comment
  CAS-BOT-BC413216  Oxyria digyna Wm. Bridge Cooke 1938-9-8 11651 Siskiyou Mount Shasta. North side of Red Butte Comment
  UC922365  Oxyria digyna Annie M. Alexander and Louise Kellogg 1949-7-28 5888 Siskiyou Marble Mountains Sky High Valley; , Sky High Valley 1767 Comment
  CAS-BOT-BC318449  Packera cana Elmer Ivan Applegate 1935-6-10 9491 Siskiyou South slope of Caldwell Butte, Lava Beds national Monument Comment
  SEINET515875  Panicum capillare Vernon H. Oswald 1998-9-8 9606 Siskiyou Julia Glover Flat on USFS 3 ca. 6 air mi W of mosquito Lake and Whitehorse Flat Reservoir. 1113 Comment
  UCD37092  Panicum capillare Beecher Crampton 1956-8-21 3853 Siskiyou Siskiyou County, 1.5 miles southwest of city of Mount Shasta, Castle Lake Road. 1036 Comment
  CAS-BOT-BC253763  Panicum capillare David D. Keck 1938-8-7 4856 Siskiyou Scott Mountain Lodge, 2 miles E of Callahan, on E Fork of Scott River at junction with Mill Creek 1000 Comment
  CAS-BOT-BC422851  Papaver rhoeas W. R. Ernst 1960-6-14 741 Siskiyou About 1/4 mi. north of Gazelle on U. S. Highway 99. Comment
  CDA3569  Papaver rhoeas T. C. Fuller 1962-6-13 8971 Siskiyou Highway 99 to Yreka, north limits of Gazelle. 0 Comment
  JEPS84272  Parnassia californica L. R. Heckard with J. Hickman 1986-7-16 6442 Siskiyou 5 mi n of the town of Seiad Valley (se of Red Butte, Lily Pad Lake); Lily Pad Lake 1770 Comment
  RSA68923  Parnassia californica A. E. Culbertson 1943-9-3 34 Siskiyou Castle Lake. 14 Miles SW of Mt. Shasta on N side of a 6600' eastern spur of Trinity Mts.2000' above Sacramento River within 10 air miles of its headwaters to the west. 1657 Comment
  CAS-BOT-BC175603  Parnassia palustris Alice Eastwood 1912-8-30 2045 Siskiyou Mount Eddy Comment
  HSC2390  Parnassia palustris W. J. Ferlatte 1966-8-19 434 Siskiyou Trinity Alps, along Kidd Creek trail. 1829 Comment
  HSC29457  Parnassia palustris Frederick W. Oettinger 1968-8-3 377 Siskiyou Marble Mountain Wilderness, base camp near Diamond Lake. 2012 Comment
  CAS-BOT-BC202847  Paxistima myrsinites Alice Eastwood 1917-9-2 6681 Siskiyou Shasta Springs Comment
  JEPS11901  Paxistima myrsinites Rimo Bacigalupi with C. L. Custer and G. T. Robbins 1954-8-12 4788 Siskiyou upper reaches of Indian Creek Canyon (1.8 mi. below summit of rd. and Del Norte-Siskiyou Co. line, along Happy Camp-Takilma rd.) 1371 Comment
  UCR5254  Paxistima myrsinites O. F. Clarke 1966-8-6 660806- 02 Siskiyou 46 mi south of Oregan Border on US 99 Comment
  CAS-BOT-BC202857  Paxistima myrsinites Volney Rattan 1879-6-16 s.n. Siskiyou Summit of Siskiyou Mountains Comment
  SEINET3152895  Pectocarya pusilla G. D. Butler 1910-5-8 1306 Siskiyou Dry land near Yreka Comment
  CAS-BOT-BC266641  Pedicularis bracteosa John Thomas Howell 1939-8-3 15010 Siskiyou Spirit Lake, Marble Mountains 1828 Comment
  CAS-BOT-BC266651  Pedicularis bracteosa var. flavida Annie M. Alexander; Louise Kellogg 1948-9-9 5612 Siskiyou Siskiyou Mountains. Trail to Taylor Lake Comment
  HSC76666  Pedicularis bracteosa var. flavida K. T. Stillman 1976-7-23 306 Siskiyou Marble Mtn. Wilderness Area 2012 Comment
  JEPS10414  Pedicularis bracteosa var. flavida Geo. D. Butler 1910-7-10 1735 Siskiyou Shackleford Creek; Upper Campbell Lake 1524 Comment
  JEPS74416  Pedicularis bracteosa var. flavida W. J. Ferlatte 1966-8-17 387 Siskiyou Caribou Basin; Trinity Alps 1981 Comment
  RSA238822  Pedicularis contorta Frederick W. Oettinger 1968-8-22 599 Siskiyou Below Diamond Lake on way to English Lake. Salmon Mountains. High Lake Basins, in the vicinity of English Peak. Marble Mountain Wilderness Area. 2226 Comment
  HSC47102  Pedicularis howellii J. O. Sawyer, K. Stillman 1978-7-6 3300 Siskiyou Along Happy Camp- O'Brien Rd., 0.5 mi. S of summit and S of Louse Creek 1280 Comment
  HSC2366  Pedicularis racemosa William J. Ferlatte 1966-8-19 443 Siskiyou Kidd Creek Trail 1890 Comment
  CAS-BOT-BC67681  Pellaea brachyptera Marion Ownbey; Fred G. Meyer 1940-7-6 2198 Siskiyou Near summit of Cayenne Ridge on south side, Marble Mountain. Comment
  RSA605525  Pellaea brachyptera L. C. Wheeler 1959-7-26 7609 Siskiyou Marble Mountain, near summit of Ukonom Mountain 1402 Comment
  CAS-BOT-BC67676  Pellaea brachyptera Louis C. Wheeler 1934-8-30 3227 Siskiyou Siskiyou Mts. - Trapper Creek, Mt. Diablo Mer. 1371 Comment
  UC371164  Pellaea brachyptera G. D. Butler 1908-7-20 248 Siskiyou w side Humbug Mt Comment
  HSC44388  Penstemon anguineus Maralyn O'Meara 1973-6-25 238 Siskiyou Music Creek 1463 Comment
  SBBG15654  Penstemon anguineus D. Myrick 1961-6-21 313 Siskiyou Deer Camp Rd above Oak Knoll Ranger Station, Klamath River, 19 mi W of Hwy 99 1676 Comment
  SFV3425  Penstemon anguineus D. Myrick 1961-6-21 313 Siskiyou On Deer Camp Road above Oak Knoll Ranger Station on Klamath River. 19 miles west of Highway 99. 1677 Comment
  UC1483456  Penstemon anguineus John Palmer 1980-7-23 1922 Siskiyou on w side of Upper Devils Peak Klamath National Forest, Seiad Valley Quad., Upper Devils Pk (Pacific Crest Trail) 1767 Comment
  CAS-BOT-BC27115  Penstemon anguineus Volney Rattan 1879-6-1 s.n. Siskiyou Indian Creek Comment
  SEINET5326467 Image available Penstemon anguineus G. Butler 1910-7-12 1761 Siskiyou Shackleford Creek 1219 Comment
  SEINET3160236  Penstemon californicus G. D. Butler 1910-7-12 1761 Siskiyou Shackleford Creek 1219 Comment
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Jul 30 2019
  JEPS101584  Penstemon cinicola Dean W. Taylor 1987-6-26 9068 Siskiyou meadow 0.5 miles West of west end Medicine Lake, 2042 Comment
  CHSC110953  Penstemon davidsonii B. Castro; L. P. Janeway 2007-7-29 1668 Siskiyou High Cascade Range. Medicine Lake Highlands; along the bottom edge of the north side of the northwestern-most lobes of Little Glass Mountain. On N edge USFS Rd 43N48 ca 0.9 mi E of its jcn with the '15 Road'. 1950 Comment
  CAS-BOT-BC265373  Penstemon davidsonii var. davidsonii W. R. Dudley 1899-8-24 s.n. Siskiyou Top of Craggy Peak Comment
  UC1408797  Penstemon davidsonii var. davidsonii Robert F. Thorne and Fred Oettinger 1969-8-10 39005 Siskiyou Mout Shasta, S slope Mount Shasta National Forest (above ski-lodge) 2377 Comment
  CHSC91544  Penstemon deustus G. F. Hrusa 2001-6-6 15858 Siskiyou Siskiyou Mountains. Along Hwy 96 at Scott R. Bridge. Cuts above river. Flats at end of Scott R. Bridge. UTM: 10T, 4625883 N, 0496656 E. 426 Comment
  SBBG30644  Penstemon deustus D. Myrick 1968-6-27 2037 Siskiyou just above Carter's Ranch, 5 mi S of Big Flat 1676 Comment
  RSA215600  Penstemon deustus Gilbert Muth 1969-8-6 1187 Siskiyou Boulder Peak. 2530 Comment
  UC454780  Penstemon deustus var. suffrutescens I. J. Condit 1911-7-22 Siskiyou trail to Horse Camp Mt. Shasta, trail to Horse Camp (also near Sisson) 1524 Comment
  SDSU10944  Penstemon gracilentus D. F. Howe 1962-8-9 3412 Siskiyou Mt. Shasta, Shasta National Forest. 2438 Comment
  SEINET5328460 Image available Penstemon gracilentus K. Vincent 1987-6-29 4444 Siskiyou Cascade Range, Butte Mtn.; on logged edge of douglas fir forest along Butte Mtn. Rd. ca 3.6 mi W of jct. Meiss Lake Rd., located 7.2 mi W of jct. US 97 on S side of MacDoel, 1829 Comment
  NY601598  Penstemon heterodoxus var. shastensis F. W. Gould 1940-5-16 645 Siskiyou About 24 miles north of Weed on the road to Klammath Falls. Comment
  SDSU10981  Penstemon heterodoxus var. shastensis D. F. Howe 1962-8-4 3387 Siskiyou Baldy Mtn. 1524 Comment
  UCD124274  Penstemon heterodoxus var. shastensis Jack Major 1961-7-14 639 Siskiyou Wagon Camp Meadow, Mount Shasta. 1737 Comment
  SBBG30655  Penstemon laetus D. Myrick 1968-6-22 1992 Siskiyou Lava Beds Nat Monument 1371 Comment
  HSC67796  Penstemon laetus subsp. sagittatus J. O. Sawyer, J. Cole 1980-7-22 4000 Siskiyou Little Horse Peak 1720 Comment
  JEPS11612  Penstemon laetus var. sagittatus W. L. Jepson 1940-6-23 20026 Siskiyou Andesite Sta. n of Mt. Shasta, Andesite Sta. 975 Comment
  NY604562  Penstemon laetus var. sagittatus A. A. Heller 1920-7-9 13431 Siskiyou Near the summit of Mount Eddy 2590.8 Comment
  SD98974  Penstemon laetus var. sagittatus Darley F. Howe 1977-7-5 5000 Siskiyou 15 mi. SE of Granada 1219 Comment
  SEINET11053338  Penstemon laetus var. sagittatus Karl A. Vincent 1987-6-28 4440 Siskiyou Cascade Range Mt. Shasta; along E side of US 97 ca 5.1 mi NE of jct. I-5 bus. loop in Weed 1158 Comment
  SD53335  Penstemon newberryi Darley F. Howe 1962-8-6 3405 Siskiyou Mt. Shasta 2438 Comment
  SEINET270928  Penstemon newberryi Richard J. Shaw 1963-6-10 1293 Siskiyou Old highway 99 2 miles south of Weed. Comment
  CAS-BOT-BC239337  Penstemon newberryi var. berryi Donald Myrick 1961-6-19 263 Siskiyou On road to Mt. Shasta Ski Bowl Comment
  NY627381  Penstemon newberryi var. newberryi A. C. Scribner 1968-6-21 689- 13 Siskiyou Mt. Shasta 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
  LA28289  Penstemon newberryi var. sonomensis Harvey P. Chandler; June 1901 1599 Siskiyou near Marble Mountain 2133 Comment
  HSC81519  Penstemon parvulus Thomas W. Nelson, Jane P. Nelson 1980-7-20 6168 Siskiyou Above and to SE of Big Carmen Lake 1738 Comment
  UCR37829  Penstemon parvulus K. T. Stillman 1976-7-15 264 Siskiyou Marble Mountain Wilderness Area, Scott Bar 15' Q. 1951 Comment
  RSA50199  Penstemon parvulus E. K. Balls 1949-7-8 13905 Siskiyou Trail from Scott Mountain Camp to Carmen Lake, Scott Mtn. 1738 Comment
  UC722754  Penstemon parvulus C. L. Hitchcock, J. S. Martin 1939-7-6 5230 Siskiyou California on Takilma-Happy Camp Road peak above and n of divide of Siskiyou Mts. 1828 Comment
  HSC21  Penstemon procerus var. brachyanthus William J. Ferlatte 1966-6-22 81 Siskiyou Josephine Lake Basin 1677 Comment
  JEPS101474  Penstemon procerus var. brachyanthus Dean W. Taylor 1972-7-3 1608 Siskiyou Salmon Mountains, near Little Duck Lake 1981 Comment
  CHSC75762  Penstemon roezlii Vernon H. Oswald; Lowell Ahart 1999-7-5 9800 Siskiyou Hwy. 3 on Scott Mtn. 5.9 mi southeast of Gazelle-Callahan Hwy., 0.6 mi northwest of the highway summit. 1569 Comment
  HSC82000  Penstemon roezlii Thomas W. Nelson, Jane Nelson 1979-6-16 4853 Siskiyou Along Hwy. 3, 3.1 mi. N of Scott Mtn. Summit 1280 Comment
  JEPS11376  Penstemon roezlii W. L. Jepson 1894-8-9 21429 Siskiyou Horseshoe Bend* Horseshoe Bend, Upper Sacramento River (Upper Sacramento River, *near Shasta Springs - bend in rr., not in river) Comment
  UC1096820  Penstemon speciosus Milo S. Baker 1957-6-15 13111 Siskiyou just s Weed; just s of Weed Comment
  UC618811  Penstemon speciosus W. Bridge Cooke 1938-6-24 11095 Siskiyou near MacBride Springs; Mount Shasta Comment
  NY661038  Penstemon speciosus A. A. Heller 1938-7-12 15249 Siskiyou Along U.S. Highway #97 1066.8 Comment
  UC725619  Penstemon speciosus A. A. Heller 1938-7-12 15249 Siskiyou 5 mi n Weed (along highway #97); n of Weed Comment
  RSA715948  Perideridia lemmonii L. Ahart, John Dittes 2005-6-10 12112 Siskiyou About 100 yards southeast of the pump house along the Shasta River, about 1.9 air miles south of Highway 99/97 Cutoff, about 6 air miles east-southeast of Grenada 777 Comment
  UC1312872  Perideridia leptocarpa L. Constance, T. I. and Fei-Mei Chuang, M. Sousa S. 1966-6-15 3768 Siskiyou 5 mi nw Cecilville (w-facing slope above river); Trinity River; Trinity River, NW of Cecilville, Siskiyou Co. 762 Comment
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Mar 2 2015
  CDA38505  Perideridia oregana T. C. Fuller 1958-6-19 1890 Siskiyou Tom Williams property, 4 miles northeast of Montague. 0 Comment
  HSC103566  Perideridia oregana Thomas W. Nelson, Jane Nelson 1983-8-12 7594 Siskiyou In and about Scott Mountain Campground 1646 Comment
  SEINET13944986 Image available Perideridia oregana L. Constance, T. I. Chuang, Fei, Mei Chuang, and M. Sousa S. 1966-1 3767 Siskiyou US Hwy 99W, 1.5 mi N of Edgewood turnoff, open rocky adobe pastured flat, alt. 300 ft 91 Comment
  JEPS22049  Perideridia parishii subsp. latifolia Rimo Bacigalupi with Reino and Aloha Alava 1958-9-2 6932 Siskiyou in meadow 1/4 mi n Scott Mtn. road summit (rd. from Callahan to Trinity Center) 1615 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
  HSC17506  Persicaria lapathifolia Geo. D. Butler 1908-7-8 191 Siskiyou Butler's Ranch. near Yreka Comment
  SD76662  Persicaria maculosa Helen V. Witham none given Siskiyou At bridge to Indian Scotty Campground, Scott River Comment
  CAS-BOT-BC419258  Persicaria maculosa Louis C. Wheeler 1934-9-20 3286 Siskiyou Lumgrey Creek, Siskiyou Mts. 670 Comment
  CAS-BOT-BC419260  Persicaria maculosa Louis C. Wheeler 1934-9-20 3286 Siskiyou Klamath National Forest. Lumgrey Creek 670 Comment
  UC923092  Phacelia bolanderi Freed W. Hoffman 1950-7-11 3312 Siskiyou Cedar Camp rd 1.4 mi from Klamath Highway (w Siskiyou Co.); North Coast Ranges Comment
  HSC69519  Phacelia corymbosa Maralyn A. Renner 1980-6-26 1289 Siskiyou Klamath National Forest, ridge along FS Rd. 15N01, 1 mi. N of Flint Valley. 1494 Comment
  JEPS2783 Image available Phacelia corymbosa W. L. Jepson 1914-8-13 6161 Siskiyou Dunsmuir 670 Comment
  RSA97052  Phacelia corymbosa J. T. Howell 1952-6-14 28339 Siskiyou Five and a half miles from Yreka on road to Fort Jones. Comment
  RSA30619  Phacelia egena Lincoln Constance, R. C. Rollins 1942-5-14 2928 Siskiyou Shasta River, 4 miles north of Yreka. 762 Comment
  UC144628  Phacelia egena A. A. Heller 1905-6-8 7993 Siskiyou Yreka Comment
  HSC66244  Phacelia greenei Maralyn A. Renner 1980-6-9 833 Siskiyou Ridge SE of FS Rd. 45N35 1341 Comment
  SEINET8366644  Phacelia hastata F. Sipe 1953-6-17 Siskiyou northeast of Weed. Comment
  RSA105459  Phacelia hastata subsp. hastata G. D. Barbe 1955-7-1 70 Siskiyou 0.6 mile east of Etna in a rocky field on the south side of the road; Klamath Mountains. 854 Comment
  JEPS22201  Phacelia heterophylla subsp. virgata Rimo Bacigalupi with Drs. Reino and Aloha Alava 1958-9-1 6782 Siskiyou just below McBride Springs (lower slopes of mt.); Mt. Shasta 1493 Comment
  HSC67637  Phacelia heterophylla subsp. virgata J. P. Smith, Steve Selva 1970-6-16 4044 Siskiyou Etna 897 Comment
  HSC60793  Phacelia leonis Ruby Van Deventer 1960-7-7 Siskiyou Bell Echo Camp in Youngs Valley Comment
  HSC61875  Phacelia leonis Ruby Van Deventer 1960-7-13 Siskiyou Poker Flat 1585 Comment
  UC24435  Phacelia linearis W. C. Blasdale 1896-6-18 Siskiyou Shasta Comment
  UC107348 Image available Phacelia mutabilis K. Brandegee Siskiyou Sisson; ; Sisson, Shasta Co. Comment
  UC1426019  Phacelia procera Frederick W. Oettinger 1968-8-23 613 Siskiyou base of cliff due e Diamond Lake; Salmon Mountains, Marble Mountain Wilderness Area 2057 Comment
  HSC62290  Phacelia procera Al Hobart 1969-8-8 Siskiyou Youngs Valley Comment
  CAS-BOT-BC77433  Philadelphus lewisii L. B. Kildale 1929-6-25 8361 Siskiyou Klamath River, 6 miles north of Hornbrook Comment
  UC165383  Philadelphus lewisii Geo. D. Butler 1908-8-11 87 Siskiyou Shackleford Creek Quartz Valley Comment
  SEINET516279  Phleum alpinum Vernon H. Oswald 1997-7-28 8788 Siskiyou SE of Medicine Lake on road 43N54 at a meadow 0.6 mi SE of Paynes Springs. 1920 Comment
  HSC4822  Phlox diffusa J. O. Sawyer 1968-7-22 556 Siskiyou Between Handcock and Diamond Lakes 1951 Comment
  HSC65283  Phlox diffusa Rich White 1978-7-6 248 Siskiyou Pond above Elk Hole 1524 Comment
  UC1483548  Phlox diffusa John Palmer 1980-7-24 652 Siskiyou Dillon Divide Klamath National Forest, Dillon Mtn. Quad. 1706 Comment
  UC726850  Phlox diffusa A. A. Heller 1940-7-25 15768 Siskiyou just above Horse Camp; Mt. Shasta 2438 Comment
  RSA120681  Phlox diffusa subsp. diffusa S. S. Tillett 1956-7-9 630 Siskiyou Scott Mtn, Siskiyou Trinity County line, 8 miles SE of Callahan. 2073 Comment
  JEPS71085  Phlox gracilis W. L. Jepson Jul 1894 15054 Siskiyou near Black Butte (Muir Peak) (n of Sisson) Comment
  UC1734049  Phlox gracilis Frank Gould, Kay H. Beach 1940-5-15 1249 Siskiyou Bald Mountain. Comment
  UC1934626  Phlox speciosa V. J. Krajina 1953-6-26 Siskiyou between town of Weed and Mt. Shasta Camp. Comment
  HSC34002  Phlox speciosa subsp. occidentalis J. P. Smith 1974-5-25 7502 Siskiyou Along Rd. 8, 2.4 mi. W of its junction with Hwy. 3 976 Comment
  CDA40277  Phlox speciosa subsp. occidentalis G. D. Barbe, J. T. Howell, T. C. Fuller 1980-4-29 2614 Siskiyou 3 km east of Forest Mountain summit, Highway 3, southwest of Yreka. Comment
  JEPS42561  Phoradendron densum James R. Weir Oct. 1917 9366 Siskiyou Sisson Comment
  CAS-BOT-BC171213  Phoradendron serotinum subsp. tomentosum W. R. Dudley 1901-8-26 s.n. Siskiyou W of Gazelle Comment
  RSA211460  Phyllodoce empetriformis William J. Ferlatte 1966-8-5 352 Siskiyou Caribou Mtn. 2470 Comment
  UC922458  Phyllodoce empetriformis Annie M. Alexander and Louise Kellogg 1949-7-28 5876 Siskiyou Marble Mountains, Sky High Valley Sky High Valley; Marble Mountains, Sky High Valley 1767 Comment
  CDA5831  Physalis longifolia J. R. Grisham 1969-7-28 Siskiyou Mrs. Struble, 3 Mile Lane, Montague. 0 Comment
  CAS-BOT-BC60763  Physaria occidentalis K. T. Stillman 1976-6-25 59 Siskiyou Marble Mountain Wilderness Area. 2072 Comment
  CAS-BOT-BC60777  Physaria occidentalis Arthur Menzies 1962-7-21 s.n. Siskiyou Mount Eddy. 2529 Comment
  HSC38584  Physocarpus capitatus J. P. Smith, Steve Selva 1970-8-7 4544 Siskiyou Comment
  POM139827  Physocarpus capitatus E. B. Copeland 1903-6-9 3858 Siskiyou Mt. Eddy Comment
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Jan 23 2011
  HSC24697  Picea breweriana J. O. Sawyer 1969-7-26 1573 Siskiyou SE facing slope near S Sugar Creek 1700 Comment
  HSC31991  Picea breweriana Steve Selva, Roger Jensen 1974-8-16 18 Siskiyou Seepy areas along Sugar Lake trail Comment
  HSC68989  Picea breweriana Maralyn A. Renner 1980-8-7 2372 Siskiyou Ridge just E of saddle, S of Rattlesnake Meadow 1799 Comment
  POM193628  Picea breweriana Patricia Bennett 1928-7-11 s.n. Siskiyou Salmon Mountains; head of No Nothing Creek. Comment
  RSA31097  Picea breweriana L. E. Berriman 1940-9-17 s.n. Siskiyou Sugar Creek, a tributary of the Scott River, NW of Callahan. Mount Diablo Meridian. 1433 Comment
  SEINET10666399  Picea breweriana Peter W. Fritsch, James R. Shevock 2012-6-20 Fritsch 1935 Siskiyou Russian Wilderness, Klamath National Forest. Along Sugar Creek Trail to Sugar Lake from trailhead off forest road 41N14. 1755 Comment
  UC667969  Picea breweriana Joseph P. Tracy 1935-8-1 14417 Siskiyou in a cold cirque 1 mi e Salmon Summit Mine (head of creek); Knownothing Creek 1767 Comment
  UC971915  Picea breweriana Herbert L. Mason 1950-7-16 14061 Siskiyou Road from Happy Camp <California> to Waldo, Oregon Comment
  CAS-BOT-BC73437  Picea engelmannii Dorothy Parker 1962-9-19 s.n. Siskiyou Siskiyou Mountains - Horse Range Creek, Salmon Mountains. 1676 Comment
  CAS-BOT-BC73398  Pinus albicaulis W. R. Dudley 1899-8-9 s.n. Siskiyou Summit of Black Butte. 1905 Comment
  CAS-BOT-BC73399  Pinus albicaulis E. G. Dudley 1901-8-18 s.n. Siskiyou High Peak, north of Jacksons Lake. 2438 Comment
  JEPS80563  Pinus albicaulis Gilbert Muth 1965-8-6 177 Siskiyou backside of Black Mountain; Marble Mt. Wilderness Area, Black Mountain 2133 Comment
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Nov 1 2018
  RSA0086516  Pinus albicaulis Bonnie C. Templeton 1968-6-13 11334 Siskiyou Mt. Shasta, in the region of Panther Meadows. 2804 Comment
  UC1037414  Pinus albicaulis Douglas Barbe 1955-8-5 360 Siskiyou ridge nw of the summit Caribou Mountain (in the Salmon Mountains); Klamath Mountains 2407 Comment
  HSC1411  Pinus balfouriana R. J. Mastrogiuseppe 1967-7-21 Siskiyou Ridge above Yellow Rose and Dorleska Mine, Bulk Collection # 92 2058 Comment
  RSA184682  Pinus balfouriana Gilbert Muth 1966-8-6 178 Siskiyou North ridges of the Marble Rim, Marble Mounains. 2134 Comment
  CAS-BOT-BC73097  Pinus lambertiana Doris K. Kildale 1929-5-11 7749 Siskiyou Cecilville, South Fork of Salmon River Comment
  JEPS47927  Pinus lambertiana B. Wise Neilsen 1936-10-18 Siskiyou 2 mi nw Etna Mt.; Salmon Mt. Comment
  RSA237211  Pinus lambertiana Frederick W. Oettinger 1968-9-3 686 Siskiyou Near high ridge NW of Horse Range Lake. Salmon Mtns. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2012 Comment
  RSA82766  Pinus lambertiana J. M. Tucker 1950-7-24 1956 Siskiyou Beside road to Brewer Creek, off the Military Road, east side of Mt. Shasta. Comment
  UC618790  Pinus lambertiana W. Bridge Cooke 1938-9-2 11598 Siskiyou Sisson Southern Trail Mount Shasta Comment
  UC70583  Pinus ponderosa Mrs. Stirring May 1905 Siskiyou Etna Comment
  CAS-BOT-BC228038  Plagiobothrys Geo. D. Butler 1909-5-23 732 Siskiyou Near [Yreka?] Comment
  CDA5732  Plagiobothrys bracteatus L. Ahart, J. Dittes 2005-6-9 12035 Siskiyou About 50 yards east of where cattle water in the Shasta River, about 3/5 mile (air) south of Highway 99/97 Cutoff, about 2 1/2 miles (air) east-southeast of Grenada. Comment
  JEPS107412  Plagiobothrys bracteatus Lowell Ahart, John Dittes 2005-6-9 12035 Siskiyou Meadow area along a small drainage, about 50 yards east of where cattle water in the Shasta River, about 3/5 mile (air) south of Highway 99/97 Cutoff, about 2 1/2 miles (air) east-southeast of Grenada 774 Comment
  SEINET13365287  Plagiobothrys bracteatus G. D. Butler 1910-5-29 1424 Siskiyou Near Yreka. Comment
  JEPS61036  Plagiobothrys hispidulus W. L. Jepson 1940-7-3 20108 Siskiyou about 5 mi se Bartle; Big Bear Flat 1219 Comment
  JEPS69750  Plagiobothrys hispidus W. B. and V. G. Cooke 1972-6-30 45416 Siskiyou above Andesite Crossing (Military Pass Road); Mt. Shasta 1524 Comment
  UC450115  Plagiobothrys tenellus Geo. D. Butler 1910-5-6 1295 Siskiyou Yreka Comment
  POM229187  Plagiobothrys tenellus L. C. Wheeler 1935-5-18 3495 Siskiyou Siskiyou Mountains; Yreka Creek (Mt. Diablo Mer.) 854 Comment
  JEPS29999  Platanthera leucostachys Rimo Bacigalupi, and L. Heckard, J. Weiler 1961-7-2 7985 Siskiyou wet meadow at n end of town town of Mt. Shasta (Sisson) Comment
  HSC69099  Platanthera sparsiflora Maralyn A. Renner 1980-8-4 2221 Siskiyou Flint Valley 1390 Comment
  UC890145  Plectritis brachystemon W. Bridge Cooke 1941-6-7 16001 Siskiyou eastern base of Mount Eddy Mount Eddy 1066 Comment
  HSC30213  Plectritis congesta subsp. brachystemon William J. Ferlatte 1968-6-8 1138 Siskiyou Big Flat, wooded area near public camp. 1524 Comment
  HSC68546  Plectritis macrocera Maralyn A. Renner 1980-6-7 781 Siskiyou N of Greenhorn Rd. 1098 Comment
  RSA433743  Plectritis macrocera Christopher Davidson 1975-6-5 2669 Siskiyou 0.8 mi. from gate on special service rd. branching SE of rd from Gazelle to Callahan, ca. 9.3 miles W of Gazelle. Klamath Nat. Forest. 1509 Comment
  RSA600378  Plectritis macrocera Louis C. Wheeler 1935-6-1 3537 Siskiyou Siskiyou Mountains: Yreka Creek. 854 Comment
  RSA22160  Poa J. T. Howell 1937-7-24 13403 Siskiyou Caribou Basin, Salmon-Trinity Alps. 1982 Comment
  HSC30667  Poa bolanderi Frederick W. Oettinger 1969-9-4 1644 Siskiyou Marble Mtn. Wilderness Area, between Lily Pond and Tobacco Lake. 1921 Comment
  UCD90582  Poa bolanderi A. H. Murphy 1956-8-15 56 H Siskiyou Klamath National Forest. Tangle Blue Creek. 1767 Comment
  CHSC88101  Poa bulbosa Jenny Marr 1993-7-1 111 Siskiyou Butte Valley Wildlife Area, +/- 7 air miles NW of the town of MacDoel. Meadow NW of Meiss Lake. 1349 Comment
  UCD90830  Poa bulbosa Roger Zwanziger 1950-4-22 s.n. Siskiyou Albee Ranch. Comment
  RSA732494  Poa compressa P. M. Peterson, C. J. Sears, J. M. Saarela 2006-8-8 19743 Siskiyou 6.5 miles SW of Etna on Forest Service Rd 1C-01 towards Etna Summit. 1424 Comment
  RSA239031  Poa cusickii subsp. epilis Frederick W. Oettinger 1969-9-2 1605 Siskiyou On north side of English Peak. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2165 Comment
  SEINET11683993  Poa howellii var. chandleri H. P. Chandler 1901-1 1703 Siskiyou near Marble Mountain, North Coast Ranges 1524 Comment
  CAS-BOT-BC247010  Poa nervosa Douglas Barbe 1955-8-1 331 Siskiyou Summit, Mt. Bolivar, Scott Mts. 2468 Comment
  CDA2359  Poa pratensis G. D. Barbe, J. T. Howell, T. C. Fuller 1980-5-2 2771 Siskiyou 2 miles (3.2 km) east of Callahan, at Hwy 3 bridge over East Fork Scott River. Comment
  UCD91980  Poa pratensis H. S. Yates 1936-6-20 5800 Siskiyou Siskiyou Summit. 1371 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
  UC196961  Poa pratensis subsp. pratensis Geo. D. Butler 1909-6-20 846 Siskiyou Yreka Comment
  CAS-BOT-BC443956  Poa pringlei Dana York 2012-7-21 3142 Siskiyou Siskiyou Mountains. Klamath National Forest, Siskiyou Mountains, a few meters below summit of Red Butte. 2040 Comment
  UCD91764  Poa pringlei A. A. Heller 1921-7-7 13566 Siskiyou East slope of Mt. Eddy, in the Canadian Life Zone. Comment
  CAS-BOT-BC247533  Poa rhizomata Geo. D. Butler 1910-4-21 1206 Siskiyou Kidder Creek Comment
  CAS-BOT-BC237708  Poa secunda Elmer I. Applegate 1935-6-8 9424 Siskiyou Bearpaw Cave, Lava Beds National Monument Comment
  RSA484241  Poa secunda Christopher Davidson 1975-6-5 2657 Siskiyou Just above gate on special service rd branching SE off rd from Gazelle to Callahan 9.3 mi. W of Gazelle. 1471 Comment
  JEPS101878  Poa secunda subsp. juncifolia Dean W. Taylor 1987-6-24 9060 Siskiyou Tom Young Flat 1280 Comment
  UCD77924  Poa secunda subsp. juncifolia Robert E. Preston 2001-6-23 1606 Siskiyou Klamath National Forest, N-facing slope of Rainbow Mtn. 2011 Comment
  CAS-BOT-BC243239  Poa secunda subsp. secunda John Thomas Howell; T. C. Fuller; G. D. Barbe 1980-4-29 53435 Siskiyou Along E Fork Scott River 2 miles E of Callahan on road to Gazelle 990 Comment
  UC1037087  Poa secunda subsp. secunda Leo Whitney 1934-6-29 2224 Siskiyou near Tennant (Antelope Creek) 1463 Comment
  CAS-BOT-BC244179  Poa trivialis Roxana S. Ferris; Laura Lorraine 1948-6-12 11747 Siskiyou French Creek Logging Road W of Callahan 1219 Comment
  JEPS84250  Polemonium californicum L. R. Heckard with J. Hickman et al. 1986-7-17 6517 Siskiyou n slope of Condrey Mt. 1960 Comment
  CAS-BOT-BC232900  Polemonium carneum Geo. D. Butler 1910-5-15 1344 Siskiyou McAdams Creek Comment
  UC164115  Polemonium micranthum Geo. D. Butler 1910-3-23 1137 Siskiyou near Yreka; near Yreka Comment
  UC335946  Polemonium occidentale J. G. Lemmon 1889-6-26 Siskiyou Edgewood Comment
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Jun 26 2012
  HSC19296  Polemonium pulcherrimum J. O. Sawyer 1969-7-9 1241 Siskiyou W facing slope above Bingham Lake 2317 Comment
  LA206594  Polemonium pulcherrimum L. Ellison; 1928-11-12 503 Siskiyou Mt Shasta Comment
  JEPS60240  Polyctenium fremontii L. R. Heckard with L. Constance and R. Ornduff 1969-6-24 2300 Siskiyou on U.S. Highway 97 0.8 mi s Bray junction; Murphy Wells, s of Bray junction 1493 Comment
  SEINET1004842  Polygala cornuta var. cornuta Marion Ownbey 1940-1 2164 Siskiyou 7 miles northwest of McCloud. Comment
  SEINET10885041  Polygala cornuta var. cornuta Karen M. Meyer, Andrew Townesmith 2007-7-31 Meyer 177 Siskiyou Shasta-Trinity National Forest. 6.2 on NF Rd. 17, off US Hwy. 97. 1350 Comment
  CAS-BOT-BC413949  Polygonum aviculare subsp. aviculare Wm. Bridge Cooke 1940-8-2 15403 Siskiyou Mount Shasta. Along the road in Bear Springs meadow Comment
  UC60974  Polygonum convolvulus Geo. B. Grant September 1902 5163 Siskiyou Sisson Mount Shasta 914 Comment
  RSA237763  Polygonum convolvulus Frederick W. Oettinger 1969-8-24 1530 Siskiyou Salmon Mtns. High Lake Basins in the vicinity of English Peak. Marble Mtn Wilderness Area. 1829 Comment
  RSA233652  Polygonum davisiae Robert F. Thorne, Frederick W. Oettinger 1969-8-10 38986 Siskiyou Mount Shasta National Forest; south slope of Mt. Shasta at base of boulders. 2378 Comment
  HSC58967  Polygonum douglasii G. L. Clifton 1975-7-28 5156 Siskiyou Near Cook and Green Pass 1646 Comment
  HSC78329  Polygonum douglasii L. P. Janeway 1983-7-31 478 Siskiyou Poker Flat, upper portion of meadow. 1524 Comment
  JEPS51268  Polygonum douglasii Geo. D. Butler 1908-7-20 195 Siskiyou Humbug Creek Comment
  UC127342  Polygonum douglasii H. M. Hall and E. B. Babcock June, 1903 4096 Siskiyou Shasta Valley Mount Shasta 853 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
  JEPS105049  Polygonum douglasii subsp. johnstonii Dean W. Taylor 1996-7-11 15787 Siskiyou Scott Mountains; ridge dividing West Fork Parks Creek drainage from Willow Creek drainage (about 15 air miles west of Weed & 3 air miles west of Stewart Springs); Shasta-Trinity National Forest 1828 Comment
  UC375153  Polygonum douglasii subsp. spergulariiforme Geo. D. Butler 1909-5-25 719 Siskiyou hill near Yreka Comment
  RSA237762  Polygonum kelloggii Frederick W. Oettinger 1967-8-7 1264 Siskiyou English Lake Meadows. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1829 Comment
  CAS-BOT-BC418585  Polygonum minimum Alice Eastwood 1921-7-24 10752 a Siskiyou Castle Lake Comment
  CAS-BOT-BC418595  Polygonum minimum John Thomas Howell 1939-8-2 14862 Siskiyou Spirit Lake, Marble Mts. 1828 Comment
  HSC93007  Polygonum minimum Jennifer Whipple 1977-8-6 2230 Siskiyou Dale Creek drainage on the N face of Mt. Eddy 2195 Comment
  CAS-BOT-BC420065  Polygonum polygaloides subsp. kelloggii Herbert L. Mason 1948-7-17 13599 Siskiyou Eastern Grass Lake Comment
  UC1408814  Polygonum polygaloides subsp. kelloggii Frederick W. Oettinger and R. F. Thorne 1967-8-7 1264 Siskiyou English Lake meadows Salmon Mountains, Marble Mountain Wilderness Area (w Siskiyou Co.) 1828 Comment
  UC1045290  Polygonum sawatchense subsp. oblivium W. Bridge Cooke 1940-6-6 15039 Siskiyou near Castle Lake Road (in meadow along creek) Comment
  UC726984  Polygonum shastense A. A. Heller 1920-8-12 13520 Siskiyou spring above Horse Camp Comment
  CAS-BOT-BC421074  Polygonum spergulariiforme Louis C. Wheeler 1934-9-26 3303 Siskiyou Lumgrey Creek, Siskiyou Mts. 1005 Comment
  RSA120859  Polygonum spergulariiforme G. D. Barbe 1957-7-13 379 Siskiyou Big Flat Public Camp, Klamath National Forest along the path to the spring, west side of camp. Comment
  HSC73322  Polypodium californicum Gail Newton 1980-6-20 483 Siskiyou Near Bald Mtn. 1097 Comment
  UC637168  Polypodium calirhiza Edward Lee 1934-8-13 1056 Siskiyou 4 mi n Happy Camp (Indian Creek); Klamath Nat'l Forest 411 Comment
  RSA129379  Polypogon monspeliensis H. S. Yates 1936-6-21 5813 Siskiyou 6 miles N of Gazelle. 793 Comment
  CAS-BOT-BC237393  Polypogon monspeliensis Carl B. Wolf 1927-8-26 1083 Siskiyou On the Klamath River, 14 miles above Happy Camp Comment
  HSC41045  Polystichum imbricans J. O. Sawyer 1970-3-4 2064 Siskiyou N of Idlewild Campground 762 Comment
  HSC79151  Polystichum imbricans C. J. Thomas 1983-10-1 101 Siskiyou 0.75 mi. from Indian Scotty campground on gravel rd. to Paradise Lake 854 Comment
  RSA237503  Polystichum imbricans Frederick W. Oettinger 1969-9-3 1616 Siskiyou Just below that section of the English Peak-Hancock Lake trail that is due NE of Tom's Lake. West facing. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. Comment
  UC150381  Polystichum imbricans subsp. imbricans A. A. Heller 1905-6-17 8061 Siskiyou near Sisson Comment
  UC185244  Polystichum imbricans subsp. imbricans Geo. D. Butler 1910-7-9 1693 Siskiyou Shackleford Creek 1219 Comment
  UC637174  Polystichum imbricans subsp. imbricans Edward Lee 1934-8-14 1115 Siskiyou Little Grayback 1798 Comment
  CAS-BOT-BC76731  Polystichum imbricans subsp. imbricans J. H. Thomas 1954-5-14 4176 Siskiyou Salmon Mountains, Klamath National Forest - near South Fork of Salmon River, 5 to 9 miles southeast of Cecilville, 1219 Comment
  CAS-BOT-BC72388  Polystichum lemmonii A. A. Heller 1914-8-28 11739 Siskiyou Mt. Eddy 2346 Comment
  CAS-BOT-BC72389  Polystichum lemmonii John Thomas Howell 1937-7-29 13668 Siskiyou North side of Scott Mt. Comment
  UC338377  Polystichum lemmonii J. G. Lemmon and wife Sep 1889 Siskiyou s slope Mt. Eddy (near Mt. Shasta) Comment
  POM197154  Polystichum lemmonii J. G. Lemmon 1889-09 s.n. Siskiyou Mt. Eddy Comment
  CAS-BOT-BC72400  Polystichum lonchitis Louis C. Wheeler 1934-8-10 3100 Siskiyou Dead Cow Creek, Siskiyou Mts. 1889 Comment
  SD82108  Polystichum lonchitis Louis C. Wheeler 1934-8-10 3100 Siskiyou Siskiyou Mountains, Dead Cow Creek, Mt. Diablo Mer. 1890 Comment
  RSA13704  Polystichum lonchitis L. C. Wheeler 1934-8-6 3058 Siskiyou Siskiyou Mountains; Rock Gulch off Jaynes Canyon. 1829 Comment
  CAS-BOT-BC76685  Polystichum munitum Robert T. Clausen; Harold Trapido 1940-7-28 4984 Siskiyou Klamath Mts., Klamath River Basin - 1 mile up canyon of Canyon Creek from Scott River, about 12 miles south of Hamburg. 762 Comment
  HSC27013  Polystichum scopulinum J. P. Smith, J. O. Sawyer 1972-9-12 Siskiyou Scott Mtn., slopes E of Big Carmen Lake 1982 Comment
  HSC79141  Polystichum scopulinum C. J. Thomas 1983-10-1 93 Siskiyou Box Camp Mtn. Ridge in Marble Mtn. Wilderness, 0.5 mi. from trail 2098 Comment
  RSA85049  Polystichum scopulinum L. C. Wheeler 1934-8-6 3059 Siskiyou Siskiyou Mountains: Rocky Gulch off Jaynes Canyon. Mt. Diablo Mer. 1829 Comment
  CAS-BOT-BC102964  Populus trichocarpa Wm. F. Herrin 1920-8-25 s.n. Siskiyou Shasta Springs Comment
  UCD144584  Potamogeton amplifolius Steve Orloff 2002-1 s.n. Siskiyou Cecilville, Property owned by John Riewerts. 709 Comment
  HSC61506  Potamogeton crispus Ruby Van Deventer Siskiyou Kelley Lake and Trail Comment
  UC637083  Potamogeton foliosus Edward Lee 1934-8-12 1238 Siskiyou near mouth of Walker Creek (s side of Klamath River, e end of Seiad Valley); Klamath River, Seiad Valley 426 Comment
  POM312993  Potamogeton gramineus Calvin McMillan, Malcolm A. Nobs 1949-6-17 801 Siskiyou Grass Lake, Highway 97. Comment
  POM172662  Potamogeton illinoensis Geo D. Butler 1910-8-21 1853 Siskiyou Shasta River. Comment
  HSC90589  Potentilla breweri Jennifer Whipple 1976-7-1 1241 Siskiyou Near Durney Lake 2073 Comment
  CAS-BOT-BC143263  Potentilla flabellifolia John Thomas Howell 1939-8-9 15230 Siskiyou Ridge south of Marble Valley, Marble Mts. Comment
  UC375272  Potentilla flabellifolia Geo. D. Butler 1908-8-8 357 Siskiyou Marble Valley Comment
  UC574866  Potentilla flabellifolia John Thomas Howell 1937-7-24 13398 Siskiyou Caribou Basin Salmon-Trinity Alps 1981 Comment
  UC136448  Potentilla gracilis A. A. Heller 1905-6-22 8092 Siskiyou between Igerna and Weed; between Igerna and Weed Comment
  UCD113872  Potentilla gracilis A. A. Heller 1918-7-16 13030 Siskiyou Well up on the bare eastern slope leading to Mt. Eddy. 2438 Comment
  UC648284  Potentilla gracilis var. fastigiata John Thomas Howell 1939-8-2 14931 Siskiyou Spirit Lake Marble Mountains, Spirit Lake 1828 Comment
  CAS-BOT-BC540563  Potentilla gracilis var. fastigiata W. R. Dudley 1899-8-13 s.n. Siskiyou Near McCloud Comment
  CAS-BOT-BC158526  Potentilla millefolia A. A. Heller 1938-7-13 15266 Siskiyou About a mile south of Bray, along U. S. Highway #97 Comment
  UCD113806  Potentilla millefolia M. V. Maxwell 1941-6-25 s.n. Siskiyou 14 mi. E. of Montague. 914 Comment
  SEINET516294  Potentilla newberryi Vernon H. Oswald 1998-6-27 9241 Siskiyou Dry Lake on the S side of Tennant Rd., ca 9 air mi E of Grass Lake, ca. 22 air mi NE of Wee. 1402 Comment
  UC711899  Potentilla rivalis Roxana S. Ferris and Laura Lorraine 1941-8-11 10501 Siskiyou Grass Lake Station Grass Lake Station (on U.S. Highway 97) 1554 Comment
  SEINET3157045  Potentilla wrangelliana G. D. Butler 1910-5-30 1431 Siskiyou Humbug Creek Comment
  HSC82361  Prunella vulgaris subsp. lanceolata Thomas W. Nelson, Jane P. Nelson, J. P. Smith 1978-7-24 4516 Siskiyou Siskiyou-Trinity County line, head of Scott Mtn. Creek, S of Forest Service campground 1646 Comment
  CAS-BOT-BC158206  Prunus emarginata V. B. Whitehead 1963-7-5 s.n. Siskiyou McBride Springs (3 mi. nne. of Mt. Shasta City) 1371 Comment
  CAS-BOT-BC158217  Prunus emarginata Geo. D. Butler 1910-5-1 1256 Siskiyou Humbug Mt. Comment
  CDA26150  Prunus emarginata T. C. Fuller 1960-5-26 4345 Siskiyou 2 miles south of Mt. Shasta City. 0 Comment
  POM88101  Prunus emarginata Geo. D. Butler 1910-5-1 1256 Siskiyou Humbug Mountain 1220 Comment
  UC618731  Prunus emarginata W. Bridge Cooke 1938-6-17 11011 Siskiyou Mount Shasta, Sisson Southern Trail Sisson Southern Trail; Mount Shasta, Sisson Southern Trail 1371 Comment
  CAS-BOT-BC154675  Prunus subcordata Wm. Bridge Cooke 1938-8-5 11437 Siskiyou [MacBride] McBride Spring road Comment
  CAS-BOT-BC151244  Prunus virginiana var. demissa Elmer I. Applegate 1935-6-5 9305 Siskiyou Capt. Jack's Stronghold, Lava Beds National Monument Comment
  RSA698648  Prunus virginiana var. demissa Leo Miller 1938-9-17 s.n. Siskiyou Siskiyou Mtns [Siskiyou or Del Norte counties]. 915 Comment
  HSC29165  Pseudognaphalium thermale Frederick W. Oettinger 1969-8-19 1449 Siskiyou Marble Mtn. Wilderness Area, ridge from Arrow Peak to King David Peak, English Lake Basin 1936 Comment
  POM358887  Pseudognaphalium thermale Chadwick, Chadwick 1911-07 1931 Siskiyou Shasta Springs. Comment
  JEPS101140  Pseudoroegneria spicata subsp. spicata Dean W. Taylor 1996-6-18 15722 Siskiyou Scott Mountains; bordering Shasta Valley, hillslopes about 4 miles south of Gazelle; Shasta-Trinity National Forests 1249 Comment
  RSA585076  Pseudoroegneria spicata subsp. spicata L. C. Wheeler 1934-6-29 2831 Siskiyou Soda Creek, Sterling Mt., Siskiyou Mts. 1067 Comment
  UC593544  Pseudoroegneria spicata subsp. spicata E. B. Babcock, G. L. Stebbins Jr. 1936-6-11 1944 Siskiyou about 8 mi s of Yreka 822 Comment
  UC165936  Pseudostellaria jamesiana Geo. D. Butler 1909-6-13 966 Siskiyou Moffitt Creek Comment
  CAS-BOT-BC80167  Pseudotsuga menziesii W. R. Dudley 1899-8-9 s.n. Siskiyou Top of Black Butte Comment
  CAS-BOT-BC80173  Pseudotsuga menziesii Doris K. Kildale 1929-4-27 7480 Siskiyou Cecilville 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
  CAS-BOT-BC147906  Purshia tridentata var. tridentata Alice Eastwood 1923-5-22 11898 Siskiyou Sisson, road to Mt. Shasta Comment
  LA208179  Purshia tridentata var. tridentata Victor Duran; 1916-6-23 Siskiyou near Black Butte N of Sisson 1127 Comment
  SEINET8334428  Pyrola aphylla L. E. Detling 1947-6-3 6047 Siskiyou Happy Camp, Klamath Nat'l. Forest. 335 Comment
  RSA0080476  Pyrola dentata Frederick W. Oettinger 1969-8-9 1325 Siskiyou Before Hen Creek along main North Fork trail between 5 miles Stockgate and Abbott's Upper Cabin. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1098 Comment
  HSC804  Pyrola picta William J. Ferlatte 1967-7-25 715 Siskiyou N side of Caribou Mtn. 1982 Comment
  UC922448  Pyrola picta Annie M. Alexander and Louise Kellogg 1949-7-28 5878 Siskiyou Marble Mountains, Sky High Valley Sky High Valley; Marble Mountains, Sky High Valley 1767 Comment
  SD88340  Pyrola picta Darley F. Howe 1972-7-6 Siskiyou 3.2 miles south of Oregon state line on road to Happy Camp 1402 Comment
  UCSB22296  Pyrola picta Keefe, Joseph 1967-7-11 Siskiyou Cook and Green Pass, north of Seida Valley 1341 Comment
  JEPS117464  Pyrrocoma lanceolata var. lanceolata Lowell Ahart, John Dittes 2010-7-30 16969 Siskiyou Riparian terraces near spring, Shasta Big Springs Ranch, 2.6 miles (air) northwest of Big Springs Lake, 3.9 miles (air) southeast of Grenada, 6.3 miles (air) northwest of Dwinnel Dam 778 Comment
  CHSC34104  Pyrrocoma racemosa var. pinetorum J. D. Jokerst; M. D. Huffine 1981-9-8 1462 Siskiyou E of road in the section. 1249 Comment
  CAS-BOT-BC362386  Pyrrocoma racemosa var. racemosa Elmer I. Applegate 1923-8-21 3925 Siskiyou Willow Creek, south of Lower Klamath Marsh Comment
  CAS-BOT-BC68603  Quercus chrysolepis Carl B. Wolf 1927-8-26 1069 Siskiyou on the Klamath River, 8 mi below Hamburg Comment
  CAS-BOT-BC68646  Quercus chrysolepis Doris K. Kildale 1929-7-20 8748 Siskiyou Elk Lick, South Fork Indian Creek Comment
  UCD40474  Quercus chrysolepis Rodney Gale Myatt 1971-9-22 1225 -8 Siskiyou Hamburg. 490 Comment
  HSC27242  Quercus garryana J. P. Smith, J. O. Sawyer 1971-9-18 4815 Siskiyou 1.2 mi. W of junction of Hwy. 3 and Rd. 8, N of Callahan. Comment
  UC164437  Quercus garryana var. breweri Geo. D. Butler 1908-8-8 232 Siskiyou Marble Valley Comment
  RSA476805  Quercus garryana var. garryana Bonnie C. Templeton 1957-6-21 s.n. Siskiyou N of Callahan Comment
  CAS-BOT-BC104344  Quercus sadleriana Marion Ownbey; Fred G. Meyer 1940-7-8 2230 Siskiyou Near summit of Siskiyou Mountains, 20 miles N of Happy Camp Comment
  CAS-BOT-BC104354  Quercus sadleriana Doris K. Kildale 1929-8-23 8804 Siskiyou Youngs valley, on trail to Preston Peak Comment
  OBI14235  Quercus sadleriana Reino Alava, Aloha Alava, Rimo Bacigalupi 1958-9-3 2454 Siskiyou At the jctn of the road to Poker Flat and the road from Happy Camp to Takilma 1376 Comment
  RSA300512  Quercus sadleriana John Dourley, Walter Wisura 1982-10-17 3883 Siskiyou Mill Creek Ridge, ca. 18 mi N of Happy Camp, along old road up Indian Creek. 1524 Comment
  UC1313014  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
  UC722975  Quercus sadleriana C. L. Hitchcock and J. S. Martin 1939-7-6 5221 Siskiyou on Takilma - Happy Camp road 1676 Comment
  UCD47240  Quercus sadleriana T. Wilton 1980-9-10 126 Siskiyou Kelly Oak, Preston Peak Quad. Collected from roadside (USFS 18N34, Klamath National Forest), app. 20 feet from trail to Kelly Lake. (Received through the courtesy of Chris Cagle Oct. 16, 1980 B. Kasapligil). 1316 Comment
  CAS-BOT-BC104617  Quercus vacciniifolia William Bridge Cooke 1941-9-16 16320 Siskiyou along the Castle Lake Road 1219 Comment
  CAS-BOT-BC104619  Quercus vacciniifolia Doris K. Kildale 1928-8-19 6564 Siskiyou Hancock Lake, on trail to Marble Mt. 2133 Comment
  RSA237786  Quercus vacciniifolia Frederick W. Oettinger 1968-8-13 507 Siskiyou Northeast side of Hancock Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1936 Comment
  SEINET234405  Quercus vacciniifolia John Tucker 1948-8-3 1776 Siskiyou 6.7 road mi below the summit of Happy Camp Waldo road Comment
  UC338543  Quercus vacciniifolia unknown 1888-8-24 Siskiyou near Castle Lake (near Sisson's) Comment
  UCD47446  Quercus vacciniifolia John M. Tucker 1948-8-3 1776 Siskiyou California, Siskiyou Co.; 6.7 mi. (by road) below the summit of Happy Camp - Waldo road; Comment
  JEPS95288  Raillardella pringlei Lowell Ahart 1994-7-11 7546 Siskiyou W of Dunsmuir (Gumboot Creek on the upstream side of Forest Road 26 (to Mt. Shasta), ca. 0.5 mi NE of Gumboot Lake) 1783 Comment
  UC70365  Ranunculus alismifolius var. alismifolius Milo S. Baker 1898-8-1 499 Siskiyou Medicine Lake; near shore Comment
  HSC519  Ranunculus eschscholtzii var. eschscholtzii William J. Ferlatte 1967-7-26 758 Siskiyou Caribou Basin, Sawtooth Ridge 2043 Comment
  UC635098  Ranunculus glaberrimus D. Tebbe 1930-3-28 70 Siskiyou Weed Comment
  HSC28743  Ranunculus gormanii Frederick W. Oettinger 1969-7-14 1015 Siskiyou Marble Mtn. Wilderness Area, 100 ft. down outlet stream at NE corner of Charmaine Lake 1905 Comment
  SEINET10619535 Image available Ranunculus occidentalis var. dissectus Harley P. Chandler Chandler 1691 Siskiyou Ridges and meadows near Marble Mountain. Siskiyou County. 2286 Comment
  HSC36926  Ranunculus occidentalis var. occidentalis J. P. Smith 1974-5-26 7591 Siskiyou Along FS Rd. 47N03, 1/4 mi. NE of Chandler Glade 1768 Comment
  HSC46228  Ranunculus occidentalis var. occidentalis Jennifer Whipple 1978-6-5 2339 Siskiyou Weston Gulch in Scott Valley 854 Comment
  CDA3484  Ranunculus repens C. S. Giebner 1959-5-29 Siskiyou Copeland Ranch, Weed. 0 Comment
  CDA3485  Ranunculus repens C. S. Giebner 1959-5-29 Siskiyou Copeland Ranch, Weed. 0 Comment
  POM311435  Ranunculus repens D. E. Breedlove 1962-6-10 3330 Siskiyou N bank of the Klamath River at its jct with Goff Creek, 4.5 miles W of Seiad. 412 Comment
  RSA28827  Rhamnus californica subsp. occidentalis A. A. Heller 1916-7-22 12490 Siskiyou E side of Mt. Eddy Comment
  CAS-BOT-BC56114  Rhamnus ilicifolia L. E. Detling 1950-6-10 6620 Siskiyou Shasta R. Canyon, nr. Dry Gulch 777 Comment
  RSA30429  Rhamnus purshiana A. A. Heller 1915-7-18 12132 Siskiyou Metcalf's ranch, NE base of Mt. Eddy in moist soil in the forest. 1189 Comment
  JEPS94251  Rhamnus rubra Vernon H. Oswald and Lowell Ahart 1998-6-11 9188 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
  SEINET13946368 Image available Rhamnus rubra A. A. Heller 1916-1 12490 Siskiyou East side of Mt. Eddy Comment
  HSC101869  Rhododendron columbianum R. D. Whittlesey 2013-8-3 13 Siskiyou 3.2 mi. west on Castle Creek Rd. from Castella, and 3.0 mi. up Sulfur Creek Climber's Trail. 1585 Comment
  HSC22279  Rhododendron columbianum J. O. Sawyer 1969-7-11 1334 Siskiyou S Sugar Creek 1829 Comment
  SBBG25359  Rhododendron neoglandulosum J. M. Tucker 1963-7-5 3704 Siskiyou Blake's Fork of S Russian Crk (tributary of the Salmon River), ca. 7 mi (airline) E of Sawyer's Bar, Salmon Mtns 1615 Comment
  OBI14446  Rhododendron occidentale H. E. McMinn 1931-6-27 2535 Siskiyou Summit above Weitchpec Comment
  HSC68581  Rhododendron occidentale var. paludosum Maralyn A. Renner 1980-6-23 976 Siskiyou W Fork Seiad Creek 878 Comment
  POM85301  Rhus trilobata var. quinata Geo. D. Butler 1910-4-1 1151 Siskiyou [No further location information.] Comment
  CAS-BOT-BC92403  Ribes aureum var. aureum John Thomas Howell; T. C. Fuller; G. D. Barbe 1980-4-29 53407 Siskiyou Fort Jones. 853 Comment
  HSC44980  Ribes binominatum J. O. Sawyer 1978-6-21 3283 Siskiyou Marble Mtn. Wilderness Area, along trail N of Clear Lake 1951 Comment
  CAS-BOT-BC108773  Ribes cereum Elmer I. Applegate 1923-8-18 3171 Siskiyou Top of Redshale Mountain, east of Medicine Lake. 2438 Comment
  HSC69495  Ribes cereum J. O. Sawyer, J. Cole 1980-7-19 3687 Siskiyou Near FS Rd. 45N05, center of section 1890 Comment
  UC54303  Ribes cereum H. M. Hall and E. B. Babcock July, 1903 4106 Siskiyou ne shoulder Mount Shasta; Sierra Nevada Mountains 1828 Comment
  RSA0024867  Ribes cereum A. A. Heller 1938-7-12 15252 Siskiyou 8 miles north of Weed, on US Highway 97. Comment
  UC144335  Ribes divaricatum A. A. Heller 1905-6-15 8042 Siskiyou Near Sisson Comment
  SEINET4853858  Ribes glanduliferum A. A. Heller 1905-6-9 8005 Siskiyou Yreka. Comment
  RSA0023967  Ribes indecorum Marcus E. Jones 1931-7-17 s.n. Siskiyou Shasta City (Session s). Comment
  HSC100038  Ribes inerme var. klamathense J. P. Smith, & J. O. Sawyer 2010-5-6 12824 Siskiyou Along Rd. 92K02, E of Copco. 823 Comment
  JEPS49411  Ribes inerme var. klamathense W. L. Jepson July, 1894 13509 Siskiyou Sisson Comment
  UC1181815  Ribes inerme var. klamathense Dorothy Parker 1950-4-28 407 Siskiyou along Scott River Siskiyou Mountains, Scott Valley 853 Comment
  HSC96414  Ribes lacustre Gordon Leppig, J. Kalt 1996-7-9 384 Siskiyou Klamath National Forest, Russian Wilderness, cirque W of Little Duck Lake 2200 Comment
  JEPS24023  Ribes lacustre Rimo Bacigalupi with Drs. Reino and Aloha Alava 1958-9-3 6885 Siskiyou 2 1/2 mi ne Poker Flat; Siskiyou Mountains 1463 Comment
  JEPS49364  Ribes lobbii Geo. D. Butler 1908-8-5 261 Siskiyou near Cold Spring Camp; Wooly Creek 1676 Comment
  RSA0021141  Ribes lobbii J. P. Smith 1977-5-15 9072 Siskiyou The road leading through International Paper property to the Duck Lakes trailheads. 1524 Comment
  RSA0021624  Ribes lobbii Roxana S. Ferris, Laura Lorraine 1948-6-12 11773 Siskiyou About 7 miles from Etna on forks of Salmon Road. 1819 Comment
  JEPS105033 Image available Ribes nevadense Dean W. Taylor 1996-7-11 15784 Siskiyou Scott Mountains; West Fork Parks Creek (about 15 air miles west of Weed & 1 air mile west of Stewart Springs); Shasta Trinity National Forests 1328 Comment
  UC465794 Image available Ribes nevadense Annie M. Alexander and Louise Kellogg 1911-6-23 179 Siskiyou Jackson Lake 1798 Comment
  UC796518 Image available Ribes nevadense Roxana S. Ferris and Laura Lorraine Jun 12 1948-Jun 16 1948 11802 Siskiyou s Callahan (on Scott Mountain Road at Mule Creek crossing) 1493 Comment
  UC1540023  Ribes roezlii Roseberry 1936-5-11 15 Siskiyou w slope Hippo Butte; Lava Beds National Monument 1630 Comment
  CAS-BOT-BC200003  Ribes roezlii var. cruentum Doris K. Kildale 1928-8-12 6420 Siskiyou North Fork of Salmon River near Finley Camp 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
  HSC68479  Ribes roezlii var. cruentum Maralyn A. Renner 1980-6-8 815 Siskiyou Slopes N of Moffett Creek 945 Comment
  HSC93044  Ribes roezlii var. cruentum Jennifer Whipple 1976-9-3 1784 Siskiyou W facing slope of the ridge between Durney Lake and Little Crater Lake 2195 Comment
  JEPS49235  Ribes roezlii var. cruentum W. L. Jepson 1937-7-30 18544 Siskiyou headwaters Indian Creek (Poker Flat); Siskiyou Mountains 1584 Comment
  UC166612  Ribes roezlii var. cruentum Geo. D. Butler 1909-5-31 780 Siskiyou Humbug Creek Comment
  RSA0024596  Ribes roezlii var. cruentum Louis C. Wheeler 1934-6-28 2815 Siskiyou Little Soda Creek, Sterling Mt., Siskiyou Mts. 1067 Comment
  UC1222370 Image available Ribes sanguineum Joseph P. Tracy 1951-6-16 19497 Siskiyou near State Line (summit of the Siskiyous, at crossing of Takilma-Happy Camp Road); Siskiyous Comment
  UC165922  Ribes sanguineum Geo. D. Butler 1908-8-4 258 Siskiyou head Shackleford Creek Comment
  CAS-BOT-BC144521  Ribes sanguineum var. sanguineum Louis C. Wheeler 1934-6-12 2695 Siskiyou Klamath [National] Forest. North Hungry Cr. 1310 Comment
  SEINET182273 Image available Ribes velutinum L. C. Wheeler 1935-5-4 3467 Siskiyou Siskiyou Mountains; Greenhorn Creek 853 Comment
  UC857970  Ribes velutinum A. A. Heller 1938-7-12 15251 Siskiyou base of lava flow 8 mi n Weed (along U.S. Highway 97) Comment
  RSA0019713  Ribes velutinum G. D. Barbe 1955-6-28 18 Siskiyou 0.6 mile north of Callahan, 50 yds from the road. 1037 Comment
  SEINET10627997 Image available Ribes velutinum A. Arthur Heller 1905-6-9 Heller 8005 Siskiyou Yreka. Comment
  UC165744  Ribes velutinum Geo. D. Butler 1910-5-21 1374 Siskiyou Klamath Rim Comment
  HSC23473  Ribes viscosissimum J. O. Sawyer 1968-6-18 220 Siskiyou Headwaters of Blake's Fork of S Russian Creek 1738 Comment
  CAS-BOT-BC50365  Rigiopappus leptocladus Lewis Samuel Rose 1945-6-18 45065 Siskiyou Horse Creek & Klamath River 502 Comment
  CAS-BOT-BC146747  Rosa gymnocarpa Marian L. Campbell 1921-7-26 s.n. Siskiyou Near Castle Crags Comment
  CAS-BOT-BC146757  Rosa gymnocarpa Doris K. Kildale 1928-7-4 5469 Siskiyou 3 miles west of Summit of divide between Sawyers Bar and Etna Mills 1828 Comment
  HSC19384  Rosa gymnocarpa J. O. Sawyer 1968-7-10 487 Siskiyou Floodplain of Sugar Creek near Sugar Lake. 1799 Comment
  HSC61512  Rosa gymnocarpa Ruby Van Deventer 1939-7-18 Siskiyou Kelley Lake and Kelley Lake Trail Comment
  CAS-BOT-BC146759  Rosa gymnocarpa W. R. Dudley 1901-8-25 s.n. Siskiyou Carters Meadow, Salmon Mts. 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-BC147055  Rosa pisocarpa Elizabeth McClintock; Wayne Roderick; Martha Roderick 1967-7-28 s.n. Siskiyou Gumboot Lake, Trinity Mts. 1828 Comment
  RSA52431  Rosa pisocarpa Dorothy Parker 1948-8-19 s.n. Siskiyou Summit of Scott Mtn. 1583 Comment
  UC768893  Rosa pisocarpa Doris K. Kildale 1928-8-18 6476 Siskiyou head of North Fork of Salmon River Finley's Camp Comment
  POM277840  Rosa pringlei C. G. Pringle 1882-9-6 s.n. Siskiyou By streams. Comment
  CAS-BOT-BC149747  Rosa woodsii subsp. ultramontana Carl B. Wolf 1927-8-26 1006 Siskiyou On the Klamath River, 5 mi. below Hornbrook Comment
  HSC48288  Rubus lasiococcus J. O. Sawyer, K. Stillman 1978-7-6 3297 Siskiyou Along Happy Camp - O'Brien Rd., above Louse Creek. Comment
  CAS-BOT-BC147321  Rubus parviflorus Doris K. Kildale 1929-7-20 8678 Siskiyou Raspberry Lake, near east spur Preston Peak Comment
  POM366427  Rubus parviflorus Bonnie C. Templeton 1960-6-21 8555 Siskiyou Near the summit of Scott Mtn. Comment
  RSA237646  Rubus parviflorus Frederick W. Oettinger 1968-8-18 565 Siskiyou E side of Hancock Lake. Salmon Mtns. High Lake Basins in the vicinity of English Peak. Marble Mtn Wilderness Area. Comment
  RSA264949  Rubus parviflorus G. L. Clifton 1975-7-28 s.n. Siskiyou Near Cook and Green Pass. Near Seiad Valley. 1646 Comment
  HSC27982  Rubus ursinus Carl W. Mize 1972-9-24 130 Siskiyou Along trail from Camp 3 732 Comment
  POM208282  Rubus vitifolius Louis C. Wheeler 1934-6-29 2824 Siskiyou Soda Creek. Sterling Mtn. Siskiyou Mtns. 1280 Comment
  CAS-BOT-BC433403  Rumex crispus W. B. Cooke; V. G. Cooke; Bob Frenkel 1963-7-12 34325 Siskiyou Memorial Highway below McBride Springs, Mt. Shasta Comment
  UC375324  Rumex salicifolius var. salicifolius Geo. D. Butler 1908-7-6 512 Siskiyou near Yreka Comment
  HSC92353  Sagina saginoides Jennifer Whipple 1976-7-24 1569 Siskiyou Near Dobkins Lake 2073 Comment
  UC1408875  Sagina saginoides Frederick W. Oettinger 1969-8-19 1467 Siskiyou near Abbotts; Salmon Mts, High Lake Basins, English Peak vicinity, Marble 1859 Comment
  UC5260  Salix boothii Milo S. Baker Aug 8 1893-Jan 1 1900 Siskiyou Medicine Lake 1981 Comment
  CAS-BOT-BC103534  Salix commutata John Thomas Howell 1939-8-7 15125 Siskiyou Sky High Valley, Marble Mts. 1828 Comment
  CAS-BOT-BC103543  Salix commutata Gilbert Muth 1965-8-5 s.n. Siskiyou Along trail behind Blk. Mt. Comment
  HSC22196  Salix eastwoodiae J. O. Sawyer 1969-8-4 1916 Siskiyou Headwaters of S Sugar Creek. 2043 Comment
  HSC28672  Salix eastwoodiae Frederick W. Oettinger 1968-9-3 690 Siskiyou Marble Mtn. Wilderness Area, near Horse's Hole, Horse Range Lake Basin 1829 Comment
  HSC34135  Salix eastwoodiae J. O. Sawyer 1969-8-4 1915 Siskiyou Headwaters of S Sugar Creek. 2043 Comment
  RSA183704  Salix eastwoodiae Gilbert Muth 1965-8-5 172 Siskiyou Along trail behind Black Mtn. Marble Mtns. Comment
  RSA184759  Salix eastwoodiae Gilbert Muth 1966-8-3 498 Siskiyou Marble Valley. Marble Mtns. 1793 Comment
  RSA201499  Salix eastwoodiae J. T. Howell 1939-8-5 15078 Siskiyou Spirit Lake, Marble Mtns 1829 Comment
  SBBG50695  Salix eastwoodiae J. M. Tucker 1963-7-7 3730 a Siskiyou near Paradise Lake, Paradise Lake Public Camp, base of Kings Castle on the E side, Marble Mountain Wilderness Area 1981 Comment
  UC1409266  Salix eastwoodiae Frederick W. Oettinger 1968-9-3 689 Siskiyou near Horse's Hole Horse Range Lake basin; Salmon Mts, High Lake Basins, English Peak vicinity, Marble 1828 Comment
  UC1409267  Salix eastwoodiae Frederick W. Oettinger 1968-8-2 364 Siskiyou e outlet of Diamond Lake; Salmon Mts, High Lake Basins, English Peak vicinity, Marble 2072 Comment
  UC846307  Salix eastwoodiae John Thomas Howell 1939-8-5 15077 Siskiyou Spirit Lake; Marble Mts. Comment
  SD991  Salix exigua var. hindsiana Mrs. H. P. Bracelin 1931-6-22 477 Siskiyou Pit River at Gibson Flag station, 125 km. north of Red Bluff, along margin of river 449 Comment
  UC164036  Salix exigua var. hindsiana Geo. D. Butler 1910-5-14 1339 Siskiyou Yreka Creek Comment
  POM107037  Salix laevigata Geo. D. Butler 1909-9-20 1084 Siskiyou Yreka Creek. Comment
  UC1608336  Salix laevigata J. Kierstead 1991-5-8 90 -57 Siskiyou on McCloud R. Lakin Dam; Shasta-Trinity Nat'l Forests, McCloud Ranger Dist. 1097 Comment
  UC164075  Salix laevigata Geo. D. Butler 1908-7-7 151 Siskiyou Comment
  SEINET4471748 Image available Salix laevigata var. angustifolia E. L. Greene 1876-1 795 Siskiyou Yreka Comment
  RSA0038286  Salix lasiandra H. P. Bracelin 1931-6-19 411 Siskiyou Northeast side of Mount Eddy, about 16 km. northwest of Shasta City. 1425 Comment
  CAS-BOT-BC125476  Salix lasiandra var. lasiandra A. A. Heller 1905-6-15 8032 Siskiyou Sisson 1083 Comment
  UCD111534  Salix lasiandra var. lasiandra Mrs. H. P. Bracelin 1931-6-19 423 Siskiyou Northeast side of Mount Eddy, about 16 km. northwest of Shasta City. Above Metcalf ranch house. 1350 Comment
  CAS-BOT-BC107063  Salix lasiolepis Mrs. H. P. Bracelin 1931-6-19 419 Siskiyou Northeast side of Mount Eddy, about 16 km. northwest of Shasta City 1425 Comment
  CAS-BOT-BC107085  Salix lasiolepis Mrs. H. P. Bracelin 1936-9-3 853 Siskiyou 11 miles N.W. from Mt. Shasta City, and about 2 miles E. of Burney Mill, N. base of Mt. Eddy 1127 Comment
  SJSU215  Salix lasiolepis Mrs. H. P. Bracelin 1931-6-21 469 Siskiyou 300 km below Dobbins L, N side Mt Eddy c. 21 km NW of Shasta City 1645 Comment
  UC375225  Salix lasiolepis Geo. D. Butler 1909-3-13 1081 Siskiyou along creek near Yreka (Butler's Ranch, just below junction of Hamburg Gulch) 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
  POM107036  Salix lucida subsp. lasiandra Geo. D. Butler 1910-3-29 1149 Siskiyou Yreka Creek. Comment
  SBBG57821  Salix lucida subsp. lasiandra Mrs. H. P. Bracelin 1931-6-21 473 Siskiyou N base of Mt Eddy, ca. 13 km NW of Shasta City 1110 Comment
  CAS-BOT-BC126124  Salix scouleriana L. S. Smith 1931-6-7 16 Siskiyou Mt. Shasta 1066 Comment
  CAS-BOT-BC129044  Salix scouleriana W. R. Dudley 1899-8-8 s.n. Siskiyou Near Big Spring above Sisson Comment
  UC481712  Salix scouleriana Mrs. H. P. Bracelin 1931-6-20 447 Siskiyou ca. 17 km. n.w. Shasta City (above stream in Wagon Creek Canyon, ca. 1 km. up from Metcalf ranch house, e. side of Mt. Eddy); Mt. Eddy Comment
  RSA15593A  Salix sitchensis Carl B. Wolf 1907-8-27 1117 Siskiyou On the Klamath River. Happy Camp. Comment
  HSC65315  Salsola tragus J. P. Smith, Steve Selva 1970-8-9 4585 Siskiyou In potato fields W of Macdoel. Comment
  CAS-BOT-BC220802  Salvia dorrii var. dorrii Elmer I. Applegate 1935-6-2 9283 Siskiyou Indian Well, Lava Beds National Monument Comment
  UC1124683  Salvia dorrii var. dorrii M. H. Mitchell 1936-5-21 Siskiyou Frozen River Cave; Modoc Lava Beds National Monument, Dorris Quad. 1356 Comment
  SEINET13947646 Image available Salvia sonomensis A. A. Heller 1905-1 8044 Siskiyou Near Sisson Comment
  CDA26417  Sanguisorba annua G. D. Barbe, T. C. Fuller 1972-6-14 946 Siskiyou North of Weed, ca. 1 mile north of US 97 on Hoy Road. 0 Comment
  POM90116  Sanguisorba annua Geo. D. Butler 1910-6-3 1468 Siskiyou [??] Valley Comment
  HSC62024  Sanicula graveolens Ruby Van Deventer 5 Jun [year missing] Siskiyou Poker Flat 1585 Comment
  HSC77242  Sanicula graveolens L. P. Janeway 1983-7-17 424 Siskiyou Poker Flat, E edge of upper portion of meadow 1524 Comment
  CAS-BOT-BC94390  Sanicula tuberosa R. C. Wenk 2005-6-17 169 Siskiyou Trinity Alps, South Fork of the Salmon River, near Big Flat Campground at the southern end of Big Flat Meadow 1517 Comment
  SBBG30560  Sanicula tuberosa D. Myrick 1968-6-25 2012 Siskiyou Mountain Meadow Ranch, Big Flat, head of Coffee Crk; Trinity Alps 1524 Comment
  UC1112261  Sanicula tuberosa Rimo C. Bacigalupi with Galen Smith 1957-6-26 5974 Siskiyou 6 mi due s of Mount Eddy (Gumboot Lake, Head of the South Fork of the Sacramento River); Gumboot Lake, South Fork Sacramento River 1859 Comment
  RSA211474  Sanicula tuberosa William J. Ferlatte 1967-6-30 589 Siskiyou Along the south fork of the Salmon River between the campground and Carter s 1524 Comment
  SD264751  Sanicula tuberosa Tracey G. Call, Viola Call 1964-6-20 2275 Siskiyou Siskiyou-Trinity County line: surrounding Scott Mt. campground. 1676 Comment
  UC166119  Saponaria officinalis Geo. D. Butler 1908-7-9 1059 Siskiyou near Yreka Comment
  SD112461  Sarcobatus vermiculatus Darley F. Howe 1966-8-27 4310 Siskiyou 2.1 miles east of Highway 97 on Highway 161. 1280 Comment
  RSA210860  Sarcobatus vermiculatus James Henrickson, C. Tilforth 1969-9-3 39040 Siskiyou 2 mi W of Lower Kalmath National Wildlife refuge 1296 Comment
  JEPS59093  Sarcodes sanguinea W. L. Jepson 1907-7-6 2859 Siskiyou Ridge above Cudahay Valley, region of Marble Mt. Comment
  POM211804  Saussurea americana L. C. Wheeler 1934-8-14 3146 Siskiyou South side of White Mtn, Siskiyou Mountains 1738 Comment
  UC1034050  Saxifraga aprica W. Bridge Cooke 1941-8-28 16255 Siskiyou tributary of Squaw Valley Creek (Mount Shasta); Mount Shasta 2286 Comment
  UC1190190  Saxifraga aprica Ira L. Wiggins 1955-7-27 13516 Siskiyou Caribou Lake; Trinity Alps, Salmon-Trinity Alps Primitive Area, Caribou La 2042 Comment
  POM92223  Saxifraga californica Geo. D. Butler 1910-3-25 1138 Siskiyou Shasta, Rim Hills. Comment
  UC722383  Saxifraga ferruginea C. L. Hitchcock, J. S. Martin 1939-7-7 5287 Siskiyou Sanger Peak 1780 Comment
  POM141796  Saxifraga howellii H. P. Chandler 1901-06 1613 Siskiyou Near Marble Mountain 2134 Comment
  SEINET12220731  Saxifraga marshallii H. P. Chandler 1901-1 1613 Siskiyou near Marble Mountain, North Coast Ranges 2134 Comment
  CAS-BOT-BC445880  Saxifragopsis fragarioides C. L. Hitchcock; J. S. Martin 1939-7-7 5285 a Siskiyou Sanger Peak 1780 Comment
  CHSC100002  Saxifragopsis fragarioides L. P. Janeway 2008-7-26 9506 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
  POM258940  Saxifragopsis fragarioides C. L. Hitchcock, J. S. Martin 1939-7-7 5285 -a Siskiyou Sanger Peak. 1780 Comment
  POM354593  Saxifragopsis fragarioides Louis C. Wheeler 1934-8-2 3015 Siskiyou Alex Hole, Alex Canyon. Siskiyou Mtns. 1890 Comment
  UC702903  Saxifragopsis fragarioides Lester Rowntree 1937-7-21 Siskiyou Caribou Lake Comment
  CAS-BOT-BC445874  Saxifragopsis fragarioides Louis C. Wheeler 1934-8-2 3015 Siskiyou Alex Hole, Alex Canyon; Siskiyou Mts., Mt. Diablo Mer. 918 Comment
  RSA580863  Schedonorus arundinaceus L. C. Wheeler 1934-6-26 2796 Siskiyou Siskiyou Mountains, Cottonwood Creek. 838 Comment
  HSC74816  Schoenoplectus tabernaemontani J. P. Smith 1978-7-1 9996 Siskiyou Klamath National Forest, O'Neill Creek Campground, Klamath River 488 Comment
  JEPS63985  Scirpus americanus B. C. Goldsmith 1916-9-9 23 Siskiyou Klamath Hot Springs Comment
  JEPS19774  Scirpus congdonii Rimo Bacigalupi with S. Galen Smith 1957-6-26 5954 Siskiyou springy bog at w end Gumboot Lake (head of South Fork Sacramento River, close to Trinity County line); head of South Fork Sacramento River, w end Gumboot Lake 1859 Comment
  UCD21464  Scirpus congdonii Ellen Dean; with Gary Nakamura and K. Mawdsley 2002-7-28 1204 Siskiyou Shasta Trinity National Forest; NW of Castle Crags, in Castle Crags Wilderness. Found west of I-5, near headwaters of the south fork of the Sacramento River. Along shores of Gray Rock Lake. 1800 Comment
  POM116868  Scirpus congdonii Geo D. Butler 1910-7-9 1696 Siskiyou Shackleford Creek. 1220 Comment
  UC61086  Sclerolinon digynum W. A. Setchell, C. C. Dobie 1902-7-21 Siskiyou Sisson; Mount Shasta Comment
  SEINET8021125  Scutellaria antirrhinoides D. Parker, W. Roderick 1967-7-25 s.n. Siskiyou Scott Mountain, Cabin Meadow. 1829 Comment
  JEPS94880  Scutellaria galericulata Vernon H. Oswald and Lowell Ahart 1998-7-21 9350 Siskiyou ne of Weed and s of Macdoel (along Old State Highway on the w side of Bray); along Old State Highway on the w side of Bray 1417 Comment
  CAS-BOT-BC214256  Scutellaria nana Milo S. Baker 1957-6-15 13105 Siskiyou Road cut just S of Weed Comment
  RSA0059720  Sedum lanceolatum L. C. Wheeler 1934-8-9 3075 Siskiyou Head of Jaynes Canyon; Siskiyou Mts. Mt. Diablo Mer. North slope. 1921 Comment
  CHSC116241  Sedum lanceolatum var. lanceolatum Barbara L. Wilson; Rhonda Posey, Julia K. Nelson 2011-8-10 16830 Siskiyou Ridge line west of Kangaroo Lake, near loop at end of road 40N15; UTM Zone 10 529792 east, 4575286 north +-30 feet. 2012 Comment
  RSA0076441  Sedum laxum subsp. laxum C. B. Wolf 1927-8-27 1142 Siskiyou Mouth of Crawford Creek, Klamath River. Comment
  UC830962  Sedum obtusatum subsp. boreale John Thomas Howell 1939-8-2 14905 Siskiyou Marble Mts. , Spirit Lake (Spirit Lake) Comment
  JEPS26928  Sedum obtusatum subsp. boreale P. C. Hutchison 2042 Siskiyou s side of the Klamath River 100 yards w Ash Creek Bridge (ca 1.9 mi w of junction of highways 299 and US 99); s side Klamath River at Ash Creek Bridge Comment
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Jul 7 2015
  HSC19431  Sedum obtusatum subsp. retusum J. O. Sawyer 1968-7-9 418 Siskiyou Ridge between Sugar Creek and Duck Lake Creek drainages 2195 Comment
  HSC74907  Sedum obtusatum subsp. retusum J. P. Smith 1978-7-1 9959 Siskiyou Klamath National Forest, Baker Cypress Grove 854 Comment
  RSA0083646  Sedum oregonense L. C. Wheeler 1935-6-27 3604 Siskiyou Head of Etna Creek, Marble Mountains. 1799 Comment
  UC1410117  Sedum spathulifolium H. M. Wheeler Siskiyou Highway 96, 26 mi n Orleans (bridge at junction with Dillon Creek Road, steep exposed rocky wall); n of Orleans Comment
  RSA237787  Selaginella densa var. scopulorum Frederick W. Oettinger 1968-9-3 680 Siskiyou West of Horse Range Lake. Salmon Mtns. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area; 1905 Comment
  CAS-BOT-BC496372  Selaginella scopulorum John Thomas Howell 1937-7-26 13521 Siskiyou Salmon-Trinity Alps, Caribou Basin 2286 Comment
  UCD77997  Senecio aronicoides Robert E. Preston 2001-6-23 1614 Siskiyou Klamath National Forest, n-facing slope of Rainbow Mtn. 1889 Comment
  RSA0013319  Senecio aronicoides Albert M. Vollmer, L. Beane 1951-5-31 s.n. Siskiyou Scott Mountain Comment
  CAS-BOT-BC363590  Senecio fremontii var. fremontii Peter H. Raven 1956-9-4 10413 Siskiyou S. slope of Mt. Eddy 2682 Comment
  UCD135530  Senecio hydrophilus Thomas C. Horn 1956-8-6 s.n. Siskiyou west side of Lower Klamath Lake. Comment
  SBBG8762  Senecio integerrimus H. and M. Dearing 1938-6-28 2187 Siskiyou Mt Shasta 1828 Comment
  RSA0125032  Senecio integerrimus var. exaltatus 1934-7-5 s.n. Siskiyou 3 6/10 mi from Dry Lake Lookout on rd. to Horse Creek, Siskiyou Mts. 1981 Comment
  CDA7627  Senecio jacobaea Don Shaw 1980-10-2 Siskiyou Indian Creek Road, 11 miles north of Happy Camp. 0 Comment
  CAS-BOT-BC364419  Senecio triangularis K. T. Stillman 1976-9-9 472 Siskiyou Marble Mountain Wilderness Area. N & NE & E side of Black Mtn. Comment
  CAS-BOT-BC364441  Senecio triangularis Doris K. Kildale 1929-8-24 9040 Siskiyou Rattlesnake Meadow, Preston Peak 1676 Comment
  CAS-BOT-BC364451  Senecio triangularis Marion Ownbey; Ruth P. Ownbey 1938-7-20 1759 Siskiyou 1 mile northwest of Dry Lake Lookout, summit of the Siskiyou Mts. Comment
  UC129421  Senecio triangularis Harley P. Chandler June 1901 1717 Siskiyou ridges and meadows near Marble Mountain (Shackleford Canyon); North Coast Ranges, Shackleford Canyon 1524 Comment
  HSC76737  Senecio triangularis K. T. Stillman 1976-7-14 235 Siskiyou Marble Mtn. Wilderness Area; Big Rock Camp & slope to Elk Valley 2073 Comment
  JEPS44595  Sibbaldia procumbens Willis L. Jepson 1894-8-4 14169 Siskiyou above snow-line Mt. Shasta Comment
  UC618835  Sibbaldia procumbens unknown 1938-8-18 11480 Siskiyou above Horse Camp (on the Summit Trail, Horse Camp Springs); Horse Camp Springs Comment
  UCD116649  Sidalcea glaucescens Rolf Y. Berg 1964-7-15 8265 Siskiyou Seiad Valley. Along dirt road west of Cook and Green Pass and above Lily Pad Lake, Siskiyou Mountains. Comment
  HSC58997  Sidalcea malviflora Gilbert Muth 1975-7-30 4013 Siskiyou Near Lily Pad Lake, close to the town of Seiad Valley 1585 Comment
  SDSU8173  Sidalcea malviflora subsp. asprella D. F. Howe 1965-8-8 4126 Siskiyou Saddle south of Little Grayback, Klamath National Forest 1402 Comment
  UC108898  Sidalcea oregana subsp. spicata T. S. Brandegee July 1887 Siskiyou Sissons Comment
  HSC81676  Silene campanulata subsp. greenei Thomas W. Nelson, Jane P. Nelson 1980-7-21 6160 Siskiyou Along FS Rd. 40N08, 0.6 mi. from junction with Hwy. 3 1646 Comment
  JEPS44102  Silene douglasii W. B. and V. G. Cooke 1965-7-12 35180 Siskiyou Mt. Shasta Mt. Shasta (Bolam Road) 1524 Comment
  CAS-BOT-BC388963  Silene grayi Doris K. Kildale 1928-8-20 6596 Siskiyou Lily Pad Lake, near Hancock Lookout on trail to Marble Mt. Comment
  CHSC98892  Silene grayi L. P. Janeway; B. Castro 2007-7-29 9142 Siskiyou High Cascade Range. Medicine Lake Highlands; Pumice Stone Mountain, very steep north-facing slope near the top of the northwest-trending shoulder. 2054 Comment
  UCD98588  Silene grayi Mary Ann Showers 1980-7-23 1921 Siskiyou on south and east-facing slopes of Pumice Stone Mt. 2103 Comment
  CAS-BOT-BC181252  Silene hookeri subsp. hookeri J. H. Thomas 1954-5-12 4122 Siskiyou Near South Fork of Salmon River, 5 to 9 miles southeast of Cecilville, Salmon Mountains, Klamath National Forest 975 Comment
  CAS-BOT-BC388995  Silene laciniata subsp. californica Alice Eastwood 1912-7-24 1370 Siskiyou Castella Comment
  SEINET3155778  Silene menziesii G. D. Butler 1910-6-1 1445 Siskiyou locality illegible Comment
  HSC44727  Silene vulgaris J. O. Sawyer, E. Cope 1977-6-18 2902 Siskiyou Along Clear Creek trail below Ten Mile Creek 457 Comment
  JEPS53887  Sisymbrium altissimum W. L. Kleaver 1919-6-10 2 Siskiyou Yreka Comment
  HSC6907  Sisymbrium altissimum R. C. Wunner 1965-6-18 210 Siskiyou Indian Well Campground, Lava Beds National Monument 1433 Comment
  HSC36814  Sisymbrium officinale J. P. Smith 1974-5-27 7620 Siskiyou Along FS Rd. 47N03 1280 Comment
  SBBG15962  Sisyrinchium bellum D. Myrick 1961-6-20 267 Siskiyou Bear Springs, on S slope of Mt Shasta 1676 Comment
  CDA39481  Sisyrinchium douglasii T. C. Fuller 1958-4-16 s.n. Siskiyou Giebner property, 4 miles south of Yreka. 0 Comment
  CDA39211  Smilax californica County Ag Comm. Office 1957-10-17 s.n. Siskiyou M. Williams property. 0 Comment
  SEINET8488560 Image available Smilax californica A. A. Heller 1905-6-5 Siskiyou Between Shasta Retreat and Shasta Springs. Comment
  CHSC72241  Solanum dulcamara Vernon H. Oswald; Lowell Ahart 1998-9-16 9637 Siskiyou Hwy. 161 adjacent to a marsh at the Lower Klamath NWR 5.3 mi east of Hwy. 97. 1243 Comment
  RSA715956  Solanum dulcamara L. Ahart, John Dittes 2005-6-10 12078 Siskiyou On the N side of the Shasta River, about 60 yards NW of the pump house along the Shasta River, about 1.9 miles (air) south of Hwy 99/97 Cutoff, about 6 miles (air) ESE of Grenada. 777 Comment
  NY821197  Solanum parishii W. B. Cooke 1940-6-6 15075 Siskiyou Along the Castle Lake Road 1676 Comment
  UC163712  Solanum physalifolium var. nitidibaccatum Geo. D. Butler 1908-7-11 1009 Siskiyou near Yreka Comment
  RSA428804B  Solanum triflorum Louis C. Wheeler 1935-7-13 3655 Siskiyou Ager. 793 Comment
  JEPS11995  Solanum umbelliferum Geo. D. Butler 1908-8-3 18 Siskiyou Log Lake 1371 Comment
  HSC96880  Solidago elongata Gordon Leppig 1997-8-23 674 Siskiyou Russian Wilderness; cirque W of Little Duck Lake 2200 Comment
  UC61053  Solidago elongata W. A. Setchell, C. C. Dobie 1902-7-22 Siskiyou Hearst Castle Comment
  UCD78006  Solidago elongata Robert E. Preston 2002-7-14 1937 Siskiyou Klamath National Forest, N slope of Rainbow Mountain 1877 Comment
  CAS-BOT-BC365556  Solidago elongata L. E. Smith 1915-7-11 s.n. Siskiyou Sisson Comment
  CHSC114087  Solidago multiradiata Danielle Roach 2011-8-25 Siskiyou Middle Fork Sacramento River headwaters, east slope of the Eddys. 1947 Comment
  HSC61978  Solidago multiradiata Al Hobart 25 Jul [year missing] Siskiyou Preston Peak 1982 Comment
  CHSC69073  Solidago velutina subsp. californica Vernon Oswald; Lowell Ahart 1997-7-28 8791 Siskiyou Southeast of Medicine Lake at Paynes Springs. On the floor and walls of Paynes Creek Canyon north of the campground. 1981 Comment
  SEINET13695055 Image available Sonchus arvensis T. C. Fuller 1963-8-27 11162 Siskiyou Perennial in scattered patches on roadside, S. side of Dorris-Tulelake Road where the roadbed forms the N. shore of Lower Klamath Lake, Lower Klamath Lake Wildlife Refuge, 12 mi. W. of Hatfield Comment
  POM88253  Sorbus californica Geo. D. Butler 1908-8-26 282 Siskiyou Salmon Mountain. 1677 Comment
  HSC45150  Sorbus scopulina J. O. Sawyer, E. Cope 1977-6-19 2957 Siskiyou Along trail to Devil's Punchbowl 1372 Comment
  RSA237830  Sorbus scopulina Frederick W. Oettinger 1968-9-8 782 Siskiyou E side of English Lake. Salmon Mtns. High Lake Basins in the vicinity of English Peak. Marble Mtn Wilderness Area. 1814 Comment
  UCD114046  Sorbus scopulina J. M. Tucker 1963-7-7 3715 Siskiyou Vicinity of Paradise Lake, at base of King's Castle on the east side, Marble Mountain Wilderness Area. 1981 Comment
  UC1409331  Sorbus scopulina var. scopulina Frederick W. Oettinger 1969-7-18 1052 Siskiyou sw of Upper English Lake; Salmon Mountains, Marble Mountain Wilderness Area 1920 Comment
  UC375389  Spiraea densiflora Geo. D. Butler 1908-8-4 277 Siskiyou Head of Shackleford Creek Comment
  SEINET3157632  Spiraea discolor G. D. Butler 1910-7-6 1645 Siskiyou Shackleford Creek 914 Comment
  HSC71  Spiraea splendens var. splendens William J. Ferlatte 1967-7-25 731 Siskiyou Caribou Basin 1982 Comment
  HSC90554  Spiraea splendens var. splendens Jennifer Whipple 1976-7-14 1465 Siskiyou Wagon Creek Drainage near Wagon Creek 2195 Comment
  CHSC2358  Spiranthes porrifolia 1936-7-26 Siskiyou Mt. Shasta. Comment
  UC1408913  Spiranthes romanzoffiana Frederick W. Oettinger 1968-8-12 497 Siskiyou Tobacco Lake Trail Salmon Mountains, Marble Mountain Wilderness Area (high lake basins in vicinity of English Peak, w Siskiyou Co.) 1889 Comment
  RSA447291  Stachys M. B. Dunkle 1944-7-16 9115 Siskiyou Siskiyou Natl. Forest, Coastal Northern California. Comment
  JEPS83876  Stachys palustris subsp. pilosa Wayne Roderick July 1976 Siskiyou along trail to Lily Pad Lake (vicinity Cook and Green Pass); Siskiyou Mts. 1706 Comment
  SEINET9285653  Stachys rigida Unknown 2002-6-28 Siskiyou Yreka Park Comment
  RSA238547  Stachys rigida subsp. rivularis Frederick W. Oettinger 1968-8-11 481 Siskiyou Just below Tom Taylor Cabin spring. The Salmon Mountains. The High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2043 Comment
  SEINET187664  Stellaria borealis subsp. sitchana W. Bridge Cooke 1940-7-5 15276 Siskiyou Wagon Camp. 1737 Comment
  RSA69524  Stenanthium occidentale J. T. Howell 1939-8-5 15070 Siskiyou Spirit Lake, Marble Mtns 1829 Comment
  CDA8847  Stephanomeria lactucina G. C. Fleischman 1946-7-26 Siskiyou Northern California; Mr. Shasta, Dunsmuir area. 0 Comment
  HSC24115  Stephanomeria lactucina J. O. Sawyer 1969-9-11 1796 Siskiyou 1738 Comment
  CAS-BOT-BC375665  Stephanomeria paniculata Alice Eastwood 1912-9-4 2096 Siskiyou Sisson Comment
  CHSC63599  Stephanomeria paniculata Vernon H. Oswald; Lowell Ahart 1994-8-10 6453 Siskiyou Pilgrim Creek Rd. (FS13) at Mud Creek, 2.7 mi N of Hwy. 89, ca. 4.5 mi (air) NE of McCloud. Roadside. 1097 Comment
  CAS-BOT-BC375943  Stephanomeria virgata Louis C. Wheeler 1934-7-17 2912 Siskiyou Klamath National Forest. Cottonwood Cr. 1036 Comment
  HSC30689  Stipa occidentalis var. occidentalis Frederick W. Oettinger 1969-8-13 1352 Siskiyou Marble Mtn. Wilderness Area, SE ridge of English Lake. 2134 Comment
  HSC102712  Stipa thurberiana J. P. Smith 2013-6-17 13745 Siskiyou Cinder Pit Road, 0.6 miles from its junction with County Road A12. 1123 Comment
  SD98975  Stipa thurberiana Darley F. Howe 1977-7-5 4996 Siskiyou 15 miles southeast of Granada. 1219 Comment
  UC1282026  Streptanthus barbatus Louise Kellogg Aug 8 1953-Aug 9 1953 127 Siskiyou serpentine outcrop near Scott Mountain Public Campground; Scott Mountains, Klamath National Forest, Blue Point 1630 Comment
  JEPS95631  Streptanthus barbatus Vernon H. Oswald and L. Ahart 1994-8-1 6438 Siskiyou T40N R6W SE1/4 SW1/4 Sec. 11, 6600 ft, Red Fir Forest. Forest Rd. 17 at the upper trailhead to Deadfall Lakes, ca. 2.5 mi (air) WNW of Mt. Eddy 2011 Comment
  CAS-BOT-BC87875  Streptanthus tortuosus Louis C. Wheeler 1935-6-27 3600 Siskiyou Head of Etna Creek, Marble Mountains. 1798 Comment
  POM266038  Streptanthus tortuosus Lincoln Constance, Reed C. Rollins 1942-5-13 2901 Siskiyou Klamath River near Clear Creek, 8 miles S of Happy Camp. 305 Comment
  RSA211226  Streptanthus tortuosus William J. Ferlatte 1966-6-22 79 Siskiyou Josephine Lake basin. Trinity Alps. 1677 Comment
  UC648312  Streptanthus tortuosus John Thomas Howell 1939-8-2 14891 Siskiyou Spirit Lake Marble Mts. 1828 Comment
  CHSC30242  Streptanthus tortuosus var. orbiculatus M. S. Taylor; J. Prouty, E. Heinitz 1980-8-18 3263 A Siskiyou Little Mt. Hoffman, w side. 2225 Comment
  JEPS25565  Streptanthus tortuosus var. orbiculatus Rimo Bacigalupi with George Bacigalupi Jr. 1959-7-1 7190 Siskiyou pumice fields just e Mt. Shasta Ski Bowl Lodge (upper end of Everitt Hwy, sw slopes of mt); Mt. Shasta 2346 Comment
  UC130672  Streptanthus tortuosus var. orbiculatus H. M. Hall July 1909 8673 Siskiyou Salmon River 1645 Comment
  HSC35794  Streptanthus tortuosus var. tortuosus J. O. Sawyer 1969-6-12 881 Siskiyou Ridge SE of Eaton Lake 2226 Comment
  CAS-BOT-BC245847  Symphoricarpos W. R. Dudley 1901-8-24 s.n. Siskiyou Salmon Mountains Comment
  RSA68908  Symphoricarpos acutus A. E. Culbertson 1943-7-17 50 Siskiyou Castle Lake, in a north facing cirque with an abrupt 1000' backwall, 14 miles SW of Mt Shasta on n. side of a 6600' eastern spur of Trinity Mts.; 2000' above Sacramento R. within 10 air miles of its headwaters to the west. 1657 Comment
  CAS-BOT-BC269619  Symphoricarpos albus var. laevigatus Carl B. Wolf 1930-10-22 1753 Siskiyou 1 mile west of Mt. Shasta City 1066 Comment
  RSA300513  Symphoricarpos albus var. laevigatus John Dourley, W. Wisura 1982-10-17 3882 Siskiyou Mill Creek Ridge, ca. 18 mi N of Happy Camp, along old road up Indian Creek. 1524 Comment
  CAS-BOT-BC234793  Symphoricarpos mollis A. A. Heller 1905-6-1 s.n. Siskiyou Between Upper Soda Spring [Springs] and Shasta Retreat Comment
  HSC18885  Symphoricarpos mollis J. O. Sawyer 1968-7-10 474 Siskiyou Floodplain of Sugar Creek near Sugar Lake. 1799 Comment
  HSC42921  Symphoricarpos mollis Ken Stillman 1976-8-31 464 Siskiyou Along the Klamath River at Williams Point. 366 Comment
  HSC68385  Symphoricarpos mollis Maralyn A. Renner 1980-6-26 1203 Siskiyou N edge of Flint Valley 1390 Comment
  POM67558  Symphoricarpos vaccinioides Edward Palmer 1892-7-13 2560 Siskiyou Mt. Shasta and vicinity. Comment
  CAS-BOT-BC97582  Symphyotrichum ascendens A. A. Heller 1914-8-26 11713 Siskiyou near Deetz Station near/opposite Black Butte 1158 Comment
  UC1538954  Symphyotrichum bracteolatum W. J. Ferlatte 1987-9-2 2111 Siskiyou 0.8 mi e of, n side of Hwy A-12 Grenada 768 Comment
  CAS-BOT-BC99034  Symphyotrichum cusickii Doris K. Kildale 1928-8-20 6619 a Siskiyou Hancock Lookout, on trail to Marble Mt. Comment
  CAS-BOT-BC99035  Symphyotrichum cusickii Louis C. Wheeler 1934-8-14 3130 Siskiyou Siskiyou Mts. - North side White Mt. - Mt. Diablo Mer. 1767 Comment
  CAS-BOT-BC97881  Symphyotrichum eatonii Geo. B. Grant 1902-9-1 69 Siskiyou Shasta Springs Comment
  CAS-BOT-BC97876  Symphyotrichum eatonii Doris K. Kildale 1925-9-6 1278 Siskiyou Somes Bar, at junction of Salmon & Klamath River 274 Comment
  HSC78313  Symphyotrichum hendersonii L. P. Janeway 1983-8-6 488 Siskiyou Poker Flat, upper part of lower portion of meadow 1524 Comment
  UC166578  Symphyotrichum spathulatum Geo. D. Butler 1908-8-10 294 Siskiyou near Bottoms' Camp (Shackelford Creek); Shackelford Creek Comment
  UC75819  Symphyotrichum spathulatum Milo S. Baker 1899-7-31 Siskiyou on Ash Creek, e slope of Mt. Shasta Mt. Shasta Comment
  CAS-BOT-BC98440  Symphyotrichum spathulatum Wm. Bridge Cooke 1940-7-5 15259 Siskiyou Mount Shasta, in wet places throughout lower Wagon Camp 1737 Comment
  JEPS100300  Symphyotrichum spathulatum var. spathulatum Dean W. Taylor 2001-8-28 17908 Siskiyou Mt. Shasta, Ash Creek Butte, Suprise Lake 2057 Comment
  UC1131546  Taeniatherum caput-medusae H. S. Yates 1936-6-21 5808 Siskiyou 1/2 mi ne of Hilt 1036 Comment
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Jun 18 2011
  UCD86207  Taeniatherum caput-medusae H. S. Yates 1936-6-21 5808 Siskiyou Yreka. 1/2 mile NE of Hilt. California Forest and Range Experiment Station. 1036 Comment
  HSC41805  Tauschia kelloggii Brent Whiteley 1975-6-24 59 Siskiyou Near Somes Bar along Salmon River Rd. 235 Comment
  CAS-BOT-BC81334  Taxus brevifolia Ira L. Wiggins 1955-7-24 13482 Siskiyou Diversion dam on China Creek 1158 Comment
  CAS-BOT-BC81345  Taxus brevifolia Alice Eastwood 1921-7-26 10857 Siskiyou Soda Creek Comment
  CAS-BOT-BC85237  Taxus brevifolia H. E. Brown 1897-6-1 311 Siskiyou Near Sisson 1082 Comment
  CAS-BOT-BC85247  Taxus brevifolia Doris K. Kildale 1929-8-24 8843 Siskiyou Preston Peak 2225 Comment
  JEPS84273  Tellima grandiflora L. R. Heckard with Susan D'Alcamo, J. Hickman, S. Winchester 1986-7-16 6425 Siskiyou ca 5 mi n Seiad Valley (town) (e slope of Kangaroo Mountain, cirque at head of Hell's Canyon); Kangaroo Mountain 1828 Comment
  CAS-BOT-BC399879  Thalictrum polycarpum Gilbert Muth 1966-7-17 408 Siskiyou Marble Mts. Comment
  CAS-BOT-BC88062  Thelypodium brachycarpum A. A. Heller 1905-6-9 8011 Siskiyou Montague. Comment
  HSC78074  Thelypodium brachycarpum R. & G. Pederson 1979-9-18 Siskiyou Tulelake, Lower Klamath National Wildlife Refuge, islands 1238 Comment
  CDA25195  Thelypodium brachycarpum R. Pederson, G. Pederson 1979-9-18 Siskiyou White Lake Management Unit, Lower Klamath National Wildlife Refuge. 0 Comment
  POM228972  Thelypodium brachycarpum L. C. Wheeler 1935-6-30 3637 Siskiyou Shasta Valley, 3 miles S of Grenada. 793 Comment
  UC1560409  Thelypodium flexuosum E. Joyal and D. Mehlman 1988-6-25 1278 Siskiyou Happy Camp-Takilma road at turn-off to Bolan Lake 1524 Comment
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Jan 14 2009
  RSA60794  Thelypodium flexuosum Dorothy Parker 1948-6-22 26 Siskiyou Shore line of lower Klamath Lake 1280 Comment
  CHSC99708  Thlaspi montanum var. montanum L. P. Janeway 2008-7-22 9451 Siskiyou Klamath Ranges. Between the Trinity Mountains, Castle Crags, and The Eddys; top of slope overlooking Little Castle Lake from the southwest; 0.6 air km southwest of Little Castle Lake. 1896 Comment
  UC165975  Thysanocarpus curvipes Geo. D. Butler 1910-3-27 1147 Siskiyou dry hill near Yreka; near Yreka Comment
  UC986573  Thysanocarpus curvipes Dorothy Parker 1951-5-10 511 Siskiyou near Kidder Creek (Scott Valley); , near Kidder Creek 914 Comment
  RSA0041643  Thysanocarpus radians K. L. Chambers, C. G. Carlbom 1962-4-21 2103 Siskiyou Hwy. 99, 5.6 mi. S of the center of Yreka. Comment
  UCD33538  Tilia platyphyllos Beecher Crampton 1969-6-19 8471 Siskiyou Siskiyou County, Edgewood, 3 miles N.W. (in direct line) of Weed. Comment
  POM198423  Torreyochloa pallida var. pauciflora Geo D. Butler 1910-7-9 1704 Siskiyou Shackleford Creek. 1220 Comment
  CAS-BOT-BC169256  Toxicodendron diversilobum Alice Eastwood 1923-5-18 11836 Siskiyou Shasta Sprnigs Comment
  SJSU6478  Toxicoscordion paniculatum R. W. Trivelpiece 1972-6-9 92 Siskiyou c. 4 mi E of Grass Lake 1524 Comment
  UC164042  Toxicoscordion paniculatum Geo. D. Butler 1909-4-27 790 Siskiyou Quartz Valley Comment
  UCD136891  Tragopogon porrifolius Morris Halperin 1930-7-11 1 Siskiyou near Eureka. Comment
  HSC82355  Triantha occidentalis subsp. occidentalis Thomas W. Nelson, Jane P. Nelson, J. P. Smith 1978-7-24 4522 Siskiyou Siskiyou-Trinity County line, head of Scott Mtn. Creek, S of Forest Service campground 1646 Comment
  CAS-BOT-BC519574  Triantha occidentalis subsp. occidentalis A. A. Heller 1920-7-30 13488 Siskiyou Metcalf's ranch, northeast base of Mt. Eddy 1158 Comment
  RSA390085  Tribulus terrestris Louis C. Wheeler 1934-9-22 3291 Siskiyou Walker, Klamath River, Siskiyou Mountains. (Mt. Diablo Mer.) 518 Comment
  UC61693  Trientalis latifolia Geo. B. Grant 1902-9-1 5245 Siskiyou Mount Shasta, Shasta Springs Shasta Springs; Pacific Coast, Mount Shasta, Shasta Springs 609 Comment
  POM28036  Trifolium eriocephalum subsp. eriocephalum Geo. D. Butler 918 Siskiyou Goosenest Comment
  UCR256430  Trifolium hirtum Barbara L. Wilson, Caitlin Coberley 2011-6-16 16251 Siskiyou north edge of rest area on Hwy I-5 southbound, north of the town of Weed 888 Comment
  HSC58924  Trifolium howellii Marvin Butler 1971-8-11 282 Siskiyou Near Marv's Meadow 1464 Comment
  UC1025112  Trifolium kingii var. productum Douglas Barbe 1955-7-9 154 Siskiyou s shore Kangaroo Lake; Scott Mtns 1828 Comment
  JEPS82520  Trifolium longipes Gilbert Muth 1966-8-3 500 Siskiyou Marble Valley horse pasture Marble Mtn Wilderness Area 1792 Comment
  RSA582434  Trifolium longipes Louis C. Wheeler 1935-7-26 3706 Siskiyou Siskiyou mountains: Jaynes Canyon 1951 Comment
  RSA237889  Trifolium longipes subsp. elmeri Frederick W. Oettinger 1968-8-17 553 Siskiyou The High Lake Basins in the vicinity of English Peak Marble Mountain Wilderness Area,Wet meadow north to northeast of Pine Lake. 1951 Comment
  JEPS75361  Trifolium obtusiflorum Geo. D. Butler 1909-6-20 914 Siskiyou near Yreka (McNutty's field) Comment
  UCD109300  Trifolium productum A. H. Murphy 1958-8-7 58 N Siskiyou Deep Lake, Marble Mts. 1889 Comment
  UC630693  Trifolium willdenovii Geo. D. Butler 1910-5-8 1313 Siskiyou near Yreka Comment
  UC618760  Trifolium wormskioldii William Bridge Cooke 1938-6-29 11392 Siskiyou Bear Springs Mount Shasta 1524 Comment
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Mar 31 2006
  JEPS86150  Trillium ovatum Wayne Roderick 1958-4 Siskiyou Cook and Green Pass area 1371 Comment
  UC1197818  Trillium ovatum Joseph P. Tracy 1935-8-1 14409 Siskiyou on ridge between Salmon and New Rivers (at extreme head of W. Fork Knownothing Creek); W. Fork Knownothing Creek 1889 Comment
  HSC37441  Trillium ovatum subsp. oettingeri Maralyn O'Meara 1973-6-5 201 Siskiyou Stream crossing rd. to Duck Lakes Trail 1.0 mi. from trailhead 1707 Comment
  JEPS47255  Trillium ovatum subsp. oettingeri E. L. Greene 1876-1 Siskiyou near Yreka Yreka Comment
  JEPS86788  Trillium ovatum subsp. oettingeri Roy E. Buck and Robert A. Price 1988-8-9 1064 Siskiyou 30 air km. e. McCloud (ca. 1.4 air km. n.-n.e. of Cub Spring, e. of dirt rd. (old R.R. grade), w. of Atkins Meadows) 1350 Comment
  SJSU6494  Trisetum canescens R. W. Trivelpiece 1972-6-14 110 .5 Siskiyou Vann Creek near Bear Peak c. 15 mi SW of Happy Camp, western Siskiyou County 1371 Comment
  UC1024700  Trisetum canescens L. Whitney 1934-6-27 2145 Siskiyou 1706 Comment
  HSC30532  Trisetum spicatum Frederick W. Oettinger 1969-7-28 1084 Siskiyou Marble Mtn. Wilderness Area, SSW of Little Hancook Lake 2134 Comment
  HSC73336  Trisetum spicatum Gail Newton 1980-6-20 464 Siskiyou Near Bald Mtn. 1097 Comment
  RSA238976  Trisetum spicatum Frederick W. Oettinger 1968-9-6 734 Siskiyou Trail southeast of Tom's Lake. Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2165 Comment
  RSA378084  Triteleia crocea M. B. Dunkle 1944-7-18 9139 Siskiyou Siskiyou National Forest Comment
  RSA206127  Triteleia crocea Gilbert Muth 1969-8-10 1337 Siskiyou Ridge west of Boulder Peak. 2378 Comment
  CHSC2087  Triteleia ixioides subsp. anilina M. Yoder 1941-6-28 Siskiyou Castle Lake. 1981 Comment
  HSC69718  Tsuga mertensiana Maralyn A. Renner 1980-7-16 1795 Siskiyou Hancock Lake inlet 1951 Comment
  JEPS80587  Tsuga mertensiana Gilbert Muth 1965-7-29 131 Siskiyou Marble Valley; Marble Mt. Wilderness Area 1792 Comment
  RSA167136  Tsuga mertensiana J. M. Tucker 1963-7-8 3734 Siskiyou East side of Black Mountain, ca. 1 mile north of Marble Valley, Marble Mountain Wilderness Area. 1982 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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Jun 25 2013
  UCD135154  Tsuga mertensiana John M. Tucker 1963-7-8 3734 Siskiyou Black Mountain, ca. 1 mile north of Marble Valley, Marble Mountain Wilderness Area. 1981 Comment
  JEPS93955  Urtica dioica subsp. holosericea Vernon H. Oswald and Lowell Ahart 1998-9-16 9639 Siskiyou 5.3 mi e of Highway 97 (Highway 161 adjacent to a marsh at the Lower Klamath National Wildlife Refuge); Lower Klamath National Wildlife Refuge, Highway 161 1243 Comment
  RSA68865  Vaccinium A. E. Culbertson 1943-6-23 91 Siskiyou On e. shore of Castle Lake (also at n.w. corner), 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
  CAS-BOT-BC199187  Vaccinium cespitosum A. A. Heller 1915-7-15 12087 Siskiyou Mt. Eddy 1828 Comment
  CAS-BOT-BC199197  Vaccinium cespitosum Doris K. Kildale 1929-8-24 9021 Siskiyou Rattlesnake Meadow near Preston Peak 1676 Comment
  HSC91310  Vaccinium cespitosum Jennifer Whipple 1976-6-17 1023 Siskiyou Near Durney Lake 2073 Comment
  HSC68306  Vaccinium parvifolium Maralyn A. Renner 1980-7-4 1420 Siskiyou Clear Creek Trail, N of Trout Camp. 1067 Comment
  CAS-BOT-BC228834  Vaccinium scoparium Peter W. Fritsch; James R. Shevock; Lu Lu 2012-6-20 1933 Siskiyou Russian Wilderness, Klamath National Forest. Above Sugar Lake along Sugar Creek on steep SE-facing slope. (From trailhead off forest road 41N14) 2019 Comment
  HSC19415  Vaccinium scoparium J. O. Sawyer 1968-7-9 429 Siskiyou W of Little Duck Lake. 1936 Comment
  HSC26906  Vaccinium scoparium J. P. Smith, J. O. Sawyer 1971-9-17 4785 Siskiyou On trail up to Little Duck lake 1829 Comment
  HSC31490  Vaccinium scoparium Steve Selva, Roger Jensen 1974-8-25 47 Siskiyou W end of Little Duck Lake Comment
  SEINET3107076  Vaccinium scoparium Steve Selva, Roger Jensen 1974-8-25 47 Siskiyou Meadow at west end of Little Duck Lake. Comment
  UCR38387  Vaccinium uliginosum subsp. occidentale G. R. Ballmer, G. F. Pratt 1985-6-19 s.n. Siskiyou Trinity Mtns, Cedar Lake, WNW of Dunsmuir, c. 1 mi north of Gumboot Lake 1738 Comment
  RSA438027  Vancouveria hexandra Edwin Kline 1920-6-24 s.n. Siskiyou Siskiyou Mts. Comment