Search Results — 2000 specimen records retrieved (1409 records with coordinates)
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 Please cite data retrieved from this page: Data provided by the participants of the Consortium of California Herbaria (ucjeps.berkeley.edu/consortium/).
 Records are made available under the CCH Data Use Terms.

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? Specimen ID Determination * Collector Collection Date Collection Number County Locality Elevation in meters Feedback
  HSC34996  Abies X shastensis Steve Adams 1975-11-8 Siskiyou N slope of of Rock Creek Butte on GO Rd., Bulk Collection #96 1524 Comment
  HSC41645  Abies X shastensis Robert Wharton 1977-10-9 Siskiyou N slope of Mt. Shasta, Bulk Collection #116 2287 Comment
  RSA237341  Abies X shastensis Frederick W. Oettinger 1968-9-8 788 Siskiyou The E side of English Lake on granitic cliff; Salmon Mountains. High Lake basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1784 Comment
  HSC4974  Abies amabilis J. O. Sawyer 1968-7-2 383 Siskiyou Upper drainage of Joe Creek 1677 Comment
  JEPS83903  Abies amabilis Stephen K. Langer with Charles S. Rand 1988-6-21 Siskiyou e of Slaughter House Flat (n slope of Black Mt.); Black Mt. 1524 Comment
  CAS-BOT-BC419723  Abies concolor Julie Kierstead Nelson; Keli McElroy 2012-8-10 2012 -073 Siskiyou NW side of Gumboot Lake. 1853 Comment
  CAS-BOT-BC73503  Abies concolor Elmer I. Applegate 1935-6-6 9368 Siskiyou North slope of Caldwell Butte, Lava Beds National Monument. Comment
  CAS-BOT-BC73534  Abies concolor W. R. Dudley 1899-7-6 s.n. Siskiyou Bartlett Trail to Preston's Peak Comment
  SBBG133153  Abies concolor B. C. Templeton 1968-6-13 11331 Siskiyou Mt Shasta, on rd to ski bowl 2835 Comment
  HSC45184  Abies grandis J. O. Sawyer, E. Cope 1977-6-18 2934 Siskiyou Along Clear Creek Trail between Bear Pen Creek and West Fork. 671 Comment
  CHSC27349  Abies lasiocarpa T. B. Devine 1976-10-23 364 Siskiyou NW side of Little Duck Lake, 10 ft from water line. 2042 Comment
  RSA226606  Abies lasiocarpa J. O. Sawyer 1969-7-3 1440 Siskiyou North of Russian Lake 2148 Comment
  SD136399  Abies magnifica var. shastensis Helen V. Witham 1969-10-9 640 Siskiyou Mount Shasta 2100 Comment
Read comments
Jul 10 2010
  SBBG133154  Abies magnifica var. shastensis B. C. Templeton 1968-6-13 11330 Siskiyou rd to Castle Lake, ca. 7 mi SW of Mt Shasta 2073 Comment
  CAS-BOT-BC332782  Acer macrophyllum Carl B. Wolf 1927-8-26 1037 Siskiyou On the Klamath River, 4 mi N of Gottville Comment
  CAS-BOT-BC376180  Acer negundo Andrew Townesmith; Karen M. Meyer 2007-8-3 892 Siskiyou Klamath National Forest, Oak Knoll Ranger District. Along state route 96, 5.2 miles west of National Forest boundary. Vicinity of Cayuse Day Use Area 576 Comment
  UC170342  Acer negundo Geo. D. Butler 1908-7-11 1030 Siskiyou Yreka Comment
  UC166198  Acer negundo var. interior Geo. D. Butler 1910-4-19 1204 Siskiyou Yreka Creek Comment
  HSC58874  Achillea millefolium Marvin Butler 1971-7-19 155 Siskiyou Near Mary's Meadow, close to the town of Cave Junction 1220 Comment
  UC129583  Achillea millefolium Harley P. Chandler 1901-6-1 1677 Siskiyou Marble Mountain; North Coast Ranges 2438 Comment
  CAS-BOT-BC400005  Achlys triphylla Clarence R. Quick 1959-6-19 59 -14 Siskiyou 6.7 miles south of Four Corners on ridge south-east of Seiad Valley Comment
  RSA238570  Achlys triphylla Frederick W. Oettinger 1969-9-4 1669 Siskiyou Near gap between Tobacco Lake and Toms Lake Basin (in Tobacco Lake Basin), Salmon Mountians, the High Lake Basins in the vicinity of English Peak Marble Mountain Wilderness Area. 1829 Comment
  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
  UCD50434  Achnatherum hymenoides Mr. Roseman 1913-1 11 Siskiyou Butte Valley. Comment
  CAS-BOT-BC210870  Achnatherum occidentale subsp. californicum Elmer I. Applegate 1935-6-10 9481 Siskiyou South base of Caldwell Butte, Lava Beds National Monument Comment
  CAS-BOT-BC210872  Achnatherum occidentale subsp. californicum Wm. Bridge Cooke 1938-7-15 11276 Siskiyou Mount Shasta. Wagon camp-Horse Camp Trail Comment
  POM207038  Achnatherum occidentale subsp. californicum E. B. Copeland 1903-8-16 3896 Siskiyou Mt. Shasta. 2439 Comment
  RSA238981  Achnatherum occidentale subsp. californicum Frederick W. Oettinger 1968-9-6 744 -a Siskiyou Tom's Lake region, Edge of Bear Meadow . The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2188 Comment
  UC1483495  Achnatherum occidentale subsp. occidentale J. Sawyer and J. Cole 1980-7-21 3905 Siskiyou near Haight Mtn. (along F.S. road running ssw); Bray Quad.; w1/2 1938 Comment
  RSA184786  Achnatherum occidentale subsp. occidentale Gilbert Muth 1966-7-25 454 Siskiyou Marble Rim, Marble Mountains 2073 Comment
  RSA17729  Achnatherum thurberianum Elmer I. Applegate 1937-6-8 9442 Siskiyou Bearpaw Cave, Lava Beds National Monument. Comment
  RSA17730  Achnatherum thurberianum Elmer I. Applegate 1935-6-10 9465 Siskiyou Indian Well, Lava Bed National Monument Comment
  HSC36807  Achyrachaena mollis J. P. Smith 1974-5-27 7630 Siskiyou Along FS Rd. 47N03 1280 Comment
  UCD103801  Acmispon americanus var. americanus A. A. Heller 1915-7-18 12110 Siskiyou Metcalf's ranch, northeast base of Mt. Eddy. 1188 Comment
  HSC22296  Aconitum columbianum subsp. columbianum J. O. Sawyer 1969-7-23 1186 Siskiyou Along road near Horse Range Creek. 1341 Comment
  POM365537  Aconitum columbianum var. columbianum M. B. Dunkle 1944-8-25 9180 Siskiyou Hungry Creek 1829 Comment
  HSC2379  Aconogonon davisiae William J. Ferlatte 1966-8-4 302 Siskiyou Dorleska summit 2134 Comment
  CHSC1346  Aconogonon newberryi N. Jaekel; K. Jaekel 1939-7-10 Siskiyou Panther Meadows, Mt. Shasta. Comment
  CAS-BOT-BC391706  Actaea rubra Doris K. Kildale 1928-7-2 5415 Siskiyou Salmon Summit, via Horn Creek trail 1981 Comment
  JEPS60385  Actaea rubra W. L. Jepson July, 1894 Siskiyou Sisson Comment
  RSA166283  Actaea rubra subsp. arguta Donald Myrick 1961-6-20 290 Siskiyou Bear Springs on S slope of Mt. Shasta. 1677 Comment
  CAS-BOT-BC29325  Adenocaulon bicolor John Thomas Howell 1937-7-21 13186 Siskiyou South Fork of Salmon River near Big Flat 1524 Comment
  CAS-BOT-BC68957  Adiantum aleuticum Doris K. Kildale 1929-8-24 9069 Siskiyou Rattlesnake Meadow, near Preston Peak 1524 Comment
  UCD124874  Agastache parvifolia P. Quentin Tomich 1954-6-24 424 Siskiyou pahoehoe lava at entrance of lava cave; Lava Beds National Monument. Comment
  JEPS83873  Agastache urticifolia Wayne Roderick July 1976 Siskiyou vicinity Cook and Green Pass (along trail to Lily Pad Lake); Vicinity Cook and Green Pass 1706 Comment
  RSA264983  Agastache urticifolia Gilbert Muth 1975-7-29 5836 Siskiyou Near Kangaroo Mtn. Near Seiad Valley. 1756 Comment
  JEPS75975  Ageratina occidentalis W. J. Ferlatte 1976-9-22 1855 Siskiyou 200 yds se of main tailings Yellow Rose Mine; Trinity Alps 2042 Comment
  CAS-BOT-BC15483  Agoseris X dasycarpa Alice Eastwood 1921-7-28 10875 Siskiyou Medicine Lake Comment
  HSC92334  Agoseris aurantiaca Jennifer Whipple 1976-7-24 1554 Siskiyou SW of Dobkins Lake along the drainage into the lake 2256 Comment
  CAS-BOT-BC15380  Agoseris grandiflora var. grandiflora Louis C. Wheeler 1934-6-11 2683 Siskiyou North Hungry Creek, Siskiyou Mountains 1310 Comment
  CAS-BOT-BC15382  Agoseris grandiflora var. grandiflora Alice Eastwood 1912-7-17 1171 Siskiyou Sisson Comment
  CAS-BOT-BC15386  Agoseris grandiflora var. grandiflora A. A. Heller 1916-7-20 12555 Siskiyou Metcalf's Ranch, NE base of Mt. Eddy 1188 Comment
  UC1090383  Agoseris grandiflora var. grandiflora Milo S. Baker 1957-6-15 13107 Siskiyou just s Weed ((road cut)); North Coast Ranges Comment
  CAS-BOT-BC15391  Agoseris grandiflora var. grandiflora George Dexter Butler 1910-5-19 1367 Siskiyou Near Yreka Comment
  JEPS94260  Agoseris parviflora Vernon H. Oswald and Lowell Ahart 1998-6-11 9224 Siskiyou 5 mi n of Macdoel (Butte Valley National Grassland near the junction of Meiss Lake-Sams Neck Road and Highway 97); Butte Valley National Grassland 1295 Comment
  HSC45889  Agropyron cristatum Laura Witherspoon 1978-8-15 79 Siskiyou Klamath National Forest, 0.1 miles S of junction of Forest Service Rds. 6Q01 and 7S01 1378 Comment
  HSC26540  Agrostis exarata J. P. Smith, Steve Selva 1970-7-27 4502 Siskiyou Gumboot Lake 1768 Comment
Read comments
Jun 7 2012
  UC53498  Agrostis exarata W. L. Jepson 1895-1 Siskiyou Shasta Comment
  POM207150  Agrostis hallii E. B. Copeland 1903-8-17 3903 Siskiyou Mount Eddy. 1220 Comment
  SEINET7594040 Image available Agrostis idahoensis F. W. Oettinger [s d ] 736 Siskiyou toward peak from Bear Meadow, Tom' Lake region, Salmon Mountains 2187 Comment
  UCD53181  Agrostis pallens Geo. D. Butler 1910-7-10 1724 Siskiyou Shackleford Creek. 1219 Comment
  SEINET7594104 Image available Agrostis pallens F. W. Oettinger 1968-1 637 Siskiyou southeast side of Abbott's Lake, Salmon Mountains 1722 Comment
  CDA28159  Agrostis scabra T. C. Fuller, Don Shaw 1974-9-24 20033 Siskiyou Pacific Crest Trail, summit of the Siskiyou Mountains, east of White Mountain. 0 Comment
  HSC30583  Agrostis scabra Frederick W. Oettinger 1968-9-7 751 Siskiyou Marble Mtn. Wilderness Area, N end of Hancock Lake. 1951 Comment
  RSA238369  Agrostis scabra Frederick W. Oettinger 1969-9-4 1637 Siskiyou near water, outlet to Hancock Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1890 Comment
  UC2046868  Agrostis stolonifera R. E. Brainerd 2014-7-6 2316 Siskiyou Siskiyou County: Klamath River Canyon; Randolph Collier Rest Area on Interstate 5; 10.7 road miles north of Yreka. Comment
  SEINET4342108  Agrostis stolonifera E. Palmer 1892-1 2621 Siskiyou Near Mt. Shasta Comment
  UC1265417  Agrostis thurberiana Frederick W. Oettinger 1969-8-22 1503 Siskiyou near Horse Range Lake (on s side of Horse Hole, w Siskiyou County); Salmon Mountains, Marble Mountain Wilderness Area, English P 1859 Comment
  HSC100993  Alisma triviale J. P. Smith 2009-8-22 12656 Siskiyou Along the road to Bray. 1422 Comment
  POM110212  Allium amplectens Geo D. Butler s.n. Siskiyou Yreka. Comment
  RSA237877  Allium campanulatum Frederick W. Oettinger 1968-8-18 573 Siskiyou On the SW running ridge of Little Medicine Mt. due north of Tobacco Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1921 Comment
  RSA367095  Allium falcifolium Christopher Davidson 1975-6-5 2695 Siskiyou 0.5 miles ENE on unnamed dirt road departing to east off highway 3 at Scott Mtn. summit. 1677 Comment
  SEINET10899662  Allium falcifolium Worley 1985-6-1 WORLEY 85 Siskiyou Shast-trinity national forest. Scott mountain, t40n,r7w,sec.33 h.m. Esposed Slope and summit 1829 Comment
  HSC44700  Allium siskiyouense J. O. Sawyer 1978-6-16 3215 Siskiyou Marble Mtn. Wilderness along trail to Elk Valley 1921 Comment
  HSC100268  Allium validum J. P. Smith, , J. O. Sawyer, & R. J. Cole 2010-8-7 13058 Siskiyou Klamath National Forest, road to Crater Lake off Forest Service Road 40N24. 2003 Comment
  JEPS61510  Allium validum George D. Butler 1908-8-3 109 Siskiyou near Log Lake; Shackleford Creek 1524 Comment
  HSC4966  Alnus incana subsp. tenuifolia J. O. Sawyer 1968-6-18 231 Siskiyou Valley bottom of Blakes' Fork. 1707 Comment
  JEPS58663  Alnus incana subsp. tenuifolia Geo. D. Butler 1908-8-8 12 Siskiyou West Fork of Wooly Creek; lake at head 1676 Comment
  UCD109994  Alnus incana subsp. tenuifolia J. M. Tucker 1963-8-17 3739 Siskiyou In vicinity of cabin, lower Red Rock Valley, Marble Mountain Wilderness Area. 1493 Comment
  CAS-BOT-BC169650  Alnus rhombifolia H. A. Thomas; J. H. Thomas 1954-6-22 4447 c Siskiyou Salmon - Trinity Mountains. About 6 mi SE of Cecilville. Between Rushand Big Bend Creeks, 0.25-0.5 mi N of S Fork of Salmon River 975 Comment
  HSC65131  Alnus rhombifolia J. P. Smith, Steve Selva 1970-7-16 4408 Siskiyou Beaver Creek Campground. 823 Comment
  HSC45043  Alnus viridis subsp. sinuata J. O. Sawyer 1978-6-21 3288 Siskiyou Marble Mountain Wilderness, trail W of Dollar Meadows 1890 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
  CDA3624  Alyssum alyssoides Vernon H. Oswald & Lowell Ahart 1998-6-11 9178 Siskiyou Shasta National Forest plantation on the west side of Hwy. 97 2.2 miles northeast of Lake Shastina-Big Springs Rd., northeast of Weed. Comment
  UC163667  Amaranthus californicus Geo. D. Butler 1908-8-14 64 Siskiyou Yreka Comment
  CAS-BOT-BC142876  Amelanchier alnifolia var. semiintegrifolia Alice Eastwood 1917-9-2 6708 Siskiyou Shasta Springs Comment
  HSC103  Amelanchier alnifolia var. semiintegrifolia William J. Ferlatte 1966-6-23 149 Siskiyou Big Flat, near public camp 1524 Comment
  HSC65271  Amelanchier pallida Rich White 1978-7-6 247 Siskiyou Pond above Elk Hole 1524 Comment
  RSA237653  Amelanchier pallida Frederick W. Oettinger 1969-7-18 1057 Siskiyou SW of upper English Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1951 Comment
  CAS-BOT-BC136902  Amelanchier utahensis Alice Eastwood 1921-7-24 10730 Siskiyou Castle Lake Comment
  CAS-BOT-BC136922  Amelanchier utahensis W. R. Dudley 1899-8-15 s.n. Siskiyou Toward Fox Mountain Comment
  CHSC57349  Amsinckia intermedia Lyna R. Black 1990-4-12 6 Siskiyou Approx. 1/2 mi ne of Yreka, CA e slope of hill. 853 Comment
  UCD119751  Amsinckia menziesii Jean H. Langenheim 1957-5-19 4348 Siskiyou Intersection of Miner's Creek Road and Tiger Creek Road, boundary SE 1/4. Comment
  JEPS107482  Amsinckia menziesii var. menziesii Lowell Ahart, John Dittes 2005-6-9 12046 Siskiyou Along the west side of a poor rock fence, about 300 yards east of where cattle water in the Shasta River, about 3/5 mile (air) south of Highway 99/97 Cutoff, about 2 1/2 miles (air) east-southeast of Grenada 774 Comment
  CAS-BOT-BC45217  Anaphalis margaritacea Louis C. Wheeler 1934-8-14 3120 Siskiyou 1 mile west of White Mountain, Siskiyou Mountains 1920 Comment
  UCD118717  Androsace elongata subsp. acuta Louis C. Wheeler 1935-1 3432 Siskiyou Greenhorn creek, Siskiyou Mts. 944 Comment
  UC2062592  Androsace filiformis Belinda Lo with Alex Randolph-Lowe 2017-8-26 357 Siskiyou SISKIYOU COUNTY: Klamath National Forest, about 0.9 miles SSW of Pinto Spring. Comment
  HSC65508  Anemone deltoidea Rich White 1977-7-21 129 Siskiyou Slope below outlet of Raspberry Lake 1512 Comment
  JEPS60503  Anemone deltoidea W. L. Jepson 1937-7-30 18568 Siskiyou Poker Flat Siskiyou Mtns (headwaters Indian Creek) 1584 Comment
  UC1025127  Anemone deltoidea Douglas Barbe 1955-7-6 135 Siskiyou ne shore Taylor Lake; Klamath Mtns, Salmon Mtns 1950 Comment
  UC1046555  Anemone deltoidea R. Bacigalupi, L. Constance, J. P. Tracy, R. Moran, R. L. Rodriguez, and S. Carlquist 1951-6-16 3450 Siskiyou at Poker Flat (near summit of Takilma-Happy Camp Rd over Siskiyou Mtns, Del Norte-Siskiyou Co. line); Siskiyou Mtns 1630 Comment
  CAS-BOT-BC391856  Anemone drummondii A. A. Heller 1915-7-15 12077 Siskiyou Mt. Eddy 2072 Comment
  JEPS60521  Anemone multifida Geo. D. Butler 1908-8-5 45 Siskiyou summit above Cold Spring 1828 Comment
  JEPS25818  Angelica arguta Geo. D. Butler 1908-8-3 464 Siskiyou Log Lake, Shackleford Creek hackleford Creek; Log Lake, Shackleford Creek 1524 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
  SD109163  Angelica tomentosa var. tomentosa Joseph M. DiTomaso 1980-8-4 1849 Siskiyou Elk Valley Campground, end of Gasquet-Orleans Rd. from Orleans. 1340 Comment
  JEPS120182  Antennaria argentea Julie Kierstead Nelson with Rhonda Posey, Peter Zika, Talitha Derksen 2012-6-21 2012 -054 Siskiyou Headwaters of South Fork Willow Creek, foothills of N side Scott Mountain. Along Rd. 42N42Y .2 mi. E of junction with 42N19 Comment
  POM34161  Antennaria dimorpha Geo. D. Butler 1910-3-24 1140 Siskiyou Shasta Rim Hills Comment
  CHSC69065  Antennaria geyeri Vernon H. Oswald; Lowell Ahart 1997-7-28 8803 Siskiyou Forest Route 15 ca. 1 mi south of Harris Spring: T42N R2E Sect. 31, ca. 4800 ft. 1463 Comment
  CAS-BOT-BC69101  Antennaria media Geo. B. Grant 1902-9-7 s.n. Siskiyou Mt. Shasta, Horse Camp. Comment
  HSC21991  Antennaria media J. O. Sawyer 1969-7-7 1085 Siskiyou Little Duck Lake 1966 Comment
  JEPS20904  Antennaria media Willis L. Jepson 1894-8-4 Siskiyou Horse Camp Mt. Shasta Comment
Read comments
Jan 23 2011
  CAS-BOT-BC77301  Antennaria media G. J. Muth 1969-8-8 1298 Siskiyou Boulder Peak Ridge, Gap 2286 Comment
  SJSU6486  Antennaria rosea R. W. Trivelpiece 1972-6-9 100 Siskiyou c. 4 mi E of Grass Lake, west-central Siskiyou County 1524 Comment
  UC88401  Antennaria rosea Harley P. Chandler 1901-6-1 1656 Siskiyou Marble Mountain North Coast Ranges, Marble Mountain 2438 Comment
  CDA6273  Antirrhinum majus T. C. Fuller 1965-6-1 13584 Siskiyou East side of Highway 99 just south of Dunsmuir exit, Dunsmuir. 0 Comment
  JEPS83422  Antirrhinum vexillocalyculatum subsp. breweri David M. Thompson 1983-9-10 361 Siskiyou 3.2 mi e center of Beaver Creek bridge on n side of Hwy. 96 (e town of Klamath River, opposite Klamath River from mouth of Vesa Creek); Condrey Mtn. Quad. (15', 1955) 560 Comment
  JEPS95664  Antirrhinum vexillocalyculatum subsp. breweri Vernon H. Oswald and L. Ahart 1999-7-5 9801 Siskiyou Gazelle-Callahan Hwy. 9.0 mi west of Gazelle: T42N R7W Sect. 26, 3000 ft, mixed hardwood-coniferous forest 914 Comment
  CHSC71338  Apera interrupta Vernon H. Oswald; Mike Dolan, Beth Corbin 1998-6-27 9243 Siskiyou Big Tableland at the southwest edge of the Lower Klamath National Wildlife Refuge. 1353 Comment
  UC54547  Apocynum androsaemifolium H. M. Hall and E. B. Babcock June, 1903 4050 Siskiyou Mt. Shasta near Sisson; Sierra Nevada 1066 Comment
  HSC22434  Apocynum androsaemifolium J. O. Sawyer 1969-8-18 1987 Siskiyou Along S Sugar Creek 1921 Comment
  UC1282014  Apocynum androsaemifolium Louise Kellogg 1953-8-8 110 Siskiyou on rd. between Callahan and Trinity Center (n.w. slope Scott Mt.); Klamath Nat'l Forest, Scott Mts., Mule Creek 1402 Comment
  SD76154  Apocynum cannabinum Helen V. Witham 1969-10-7 581 Siskiyou At bridge to Indian Scotty Campground 10 miles west of Fort Jones 700 Comment
  CAS-BOT-BC394977  Aquilegia formosa John Thomas Howell 1937-7-24 13388 Siskiyou Caribou Basin, Salmon-Trinity Alps 2286 Comment
  CAS-BOT-BC395145  Aquilegia formosa Alice Eastwood 1917-9-2 6656 Siskiyou Shasta Springs Comment
  UC635102  Aquilegia formosa Dorothy Tebbe 1929-6-25 24 Siskiyou Mount Eddy Comment
  UCD95553  Aquilegia formosa J. P. Smith; Steve Selva 1970-6-15 3975 Siskiyou 1 mile west junction Calif. 3 and Road 8 leading to Sugar Creek. 1158 Comment
  RSA68874  Aquilegia formosa var. truncata A. E. Culbertson 1943-7-1 82 Siskiyou Castle Lake, in a north facing cirque with an abrupt 1000' backwall; 14 miles S.W. of Mt. Shasta on N. side of a 6600 eastern spur of Trinity Mts.; 2000' above Sacramento. within 10 air miles of its headwaters to the west. Comment
  HSC22441  Arabis divaricarpa J. O. Sawyer 1969-7-9 1257 Siskiyou W facing slope above Bingham Lake 2317 Comment
  RSA0125826  Arabis glabra Frederick W. Oettinger 1969-8-17 1413 Siskiyou Upper English Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1768 Comment
  HSC90571  Arabis holboellii var. retrofracta Jennifer Whipple 1976-7-2 1244 Siskiyou Near Durney Lake. 2073 Comment
  HSC92694  Arabis modesta D. L. Goforth 1980-4-26 499 Siskiyou Klamath River at McKinney Creek 537 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
  UC589673  Arabis subpinnatifida Douglas Horn 1938-4-17 28 Siskiyou hills e Etna 883 Comment
  HSC81575  Arabis suffrutescens var. suffrutescens Thomas W. Nelson, Jane P. Nelson 1980-7-17 6094 Siskiyou Along FS Rd. 17, 0.5 mi. N of summit at county line 2073 Comment
  CAS-BOT-BC171026  Aralia californica Ira L. Wiggins 1955-7-22 13455 Siskiyou Gravel bar in S Fork of Salmon R, 9.5 mi. above Cecilville. 1066 Comment
  HSC65083  Aralia californica J. P. Smith, Steve Selva 1970-6-14 3887 Siskiyou 1 mi. E of Steinacher Creek Rd. on Rd. to Forks of Salmon Comment
  UC1174942  Aralia californica P. C. Everett and E. K. Balls 1959-10-24 23942 Siskiyou 6 mi. w. Red Bank F. S. Camp (on rd. to Somes Bar from Sawyers Bar) 609 Comment
  UC933377  Aralia californica Annie M. Alexander and Louise Kellogg 1948-9-7 5587 A Siskiyou at small creek S. Fork Salmon R. Siskiyou Mts., S. Fork Salmon R. Comment
  SEINET2471351  Arceuthobium abietinum R. L. Mathiasen 2007-9-18 2007 -49 Siskiyou 41.6 km N. of St. Rte. 96 on forest road 15N01 1420 Comment
  UC375255  Arceuthobium americanum Geo. D. Butler 1908-7-19 271 Siskiyou Comment
  SEINET3239876  Arceuthobium californicum R. L. Mathiasen 2010-1 1016 Siskiyou 17.4 km from Rte. 96 on Dillon Mtn. rd. 1310 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
  SEINET8530036  Arceuthobium tsugense subsp. mertensianae R. L. Mathiasen 2003-7-27 2003 -43 Siskiyou 1.2 km NW of Ahlgren Cabin on Garden Gulch Trail Comment
  RSA78813  Arctostaphylos manzanita subsp. manzanita P. A. Munz 1952-7-2 17887 Siskiyou Road to Baldy Mt., northwest of Happy Camp, Siskiyou Mts. 1524 Comment
  CAS-BOT-BC39979  Arctostaphylos nevadensis Ira L. Wiggins 1950-5-28 12373 Siskiyou Small bog on side of ridge above Grouse Creek, about 1.5 miles from Carmen Lake. 1584 Comment
  UC166196  Arctostaphylos nevadensis Geo. D. Butler 1908-8-4 101 Siskiyou head Shackleford Creek Comment
  RSA96937  Arctostaphylos nevadensis P. C. Everett, E. K. Balls, George B. Everett 1954-10-11 20268 Siskiyou Road from Castle Lake to town of Mt. Shasta, about 2 mi. n. from Castle Lake Forest Service camp. 1280 Comment
  CAS-BOT-BC46470  Arctostaphylos patula Alice Eastwood 1921-7-31 11022 Siskiyou Shasta Springs. Comment
  CAS-BOT-BC46472  Arctostaphylos patula W. R. Dudley 1901-8-18 s.n. Siskiyou Jackson's Lake, Salmon Mts. Comment
  CAS-BOT-BC46476  Arctostaphylos patula Charles H. Lamoureux; Lalit Srivastava; Roman Gankin 1957-11-4 260 Siskiyou US Highway 199, e. side of hwy, approximately 2 mi. n. of Weed. Comment
  CAS-BOT-BC46520  Arctostaphylos patula Doris K. Kildale 1929-7-20 8718 Siskiyou Raspberry Lake, upper Indian Creek. 1828 Comment
  CAS-BOT-BC46522  Arctostaphylos patula Roger Raiche; Kurt Zadnik 1982-10-12 20779 Siskiyou Humbug Rd. near Yreka. 914 Comment
  POM367401  Arctostaphylos patula L. C. Wheeler 1934-7-25 2984 Siskiyou Long John Creek. 1616 Comment
  RSA47638  Arctostaphylos viscida subsp. viscida Roxana S. Ferris, Laura Lorraine, R. T. Ferris 1948-6-12 11799 Siskiyou Scott Mountain Road south of Callahan. Comment
  RSA237838  Arenaria congesta Frederick W. Oettinger 1968-8-4 395 Siskiyou Trail break on Crapo Peak Ridge. The Salmon Mountains. The High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2195 Comment
  UC1034580  Arenaria congesta var. suffrutescens Douglas Barbe 1953-7-26 263 Siskiyou Klamath Mountains, Scott Mt., Yellow Pine Forest Community 1828 Comment
  RSA47977  Arenaria serpyllifolia Roxana S. Ferris, Laura Lorraine 1948-6-12 11721 Siskiyou French Creek logging road west of Callahan. 1067 Comment
  UC609313  Arnica Eleanor Burks Hart 1938-8-21 917 Siskiyou Upper Wright Lake 2225 Comment
  RSA30603  Arnica cernua Lincoln Constance, Reed C. Rollins 1942-5-19 s.n. Siskiyou Little Rock Creek, 2 miles SW of O'Brien 488 Comment
  POM312501  Arnica chamissonis subsp. foliosa Malcolm A. Nobs, Calvin McMillan 1949-6-17 798 Siskiyou Grass Lake, Highway 97. Comment
  HSC42945  Arnica discoidea J. O. Sawyer, Ken Stillman 1976-7-1 2764 Siskiyou Streamside terraces and lower slopes along the Little N Fork of the Salmon River. 732 Comment
  CAS-BOT-BC82669  Arnica latifolia John Thomas Howell 1939-8-2 14910 Siskiyou Spirit Lake, Marble Mts. 1828 Comment
  UC642539  Arnica longifolia Bassett Maguire 1939-8-10 13864 Siskiyou along wall of Mud Creek Canyon Mount Shasta, Mud Creek Canyon 2286 Comment
  JEPS84189  Arnica mollis L. R. Heckard with S. D'Alcamo, J. Hickman, W. Roderick 1986-7-16 6426 Siskiyou ca 5 mi n Seiad Valley (cirque at head of Hell's Canyon); e slope of Kangeroo Mountain, head of Hell's Canyon 1828 Comment
  JEPS15407  Arnica nevadensis Douglas Barbe 1955-7-6 129 Siskiyou Taylor Lake (area above se shore) Salmon Mts., Taylor Lake 1950 Comment
  CAS-BOT-BC90087  Arnica viscosa Wm. Bridge Cooke 1938-8-18 11501 Siskiyou Horse Camp Slopes, slopes above the Shasta Fir forest 2514 Comment
  JEPS117876  Arnica viscosa unknown 1976-8-2 Siskiyou Gully above Horse Camp Mt. Shasta 2438 Comment
  JEPS24420  Arnica viscosa unknown Siskiyou Comment
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Jul 22 2010
  UCR70774  Artemisia arbuscula L. C. Wheeler 1934-8-26 03226 Siskiyou Siskiyou Mtns, Trapper Creek, Siskiyou Mountains. 1982 Comment
  LA97822  Artemisia borealis subsp. borealis J. M. Tucker; L. K. Mann, Sandra L. Holloway 1963-8-18 3750 Siskiyou Marble Mountain Wilderness Area, SW ridge of Black Mountain (Black Marble Mountain) 2133 Comment
  RSA417212  Artemisia campestris subsp. borealis M. B. Dunkle 9356 Siskiyou Klamath Nat'l Forest. Marble Mts. 1982 Comment
  SD76162  Artemisia douglasiana Helen V. Witham 1969-10-7 578 Siskiyou Scott River, at bridge to Indian Scotty Campground. 700 Comment
  CAS-BOT-BC93888  Artemisia dracunculus Geo. D. Butler 1910-9-16 1878 Siskiyou Yreka Flat Comment
  RSA186322  Artemisia ludoviciana subsp. incompta Gilbert Muth 1966-10-16 9 Siskiyou Marble Mountains 1793 Comment
  HSC27089  Artemisia ludoviciana subsp. ludoviciana J. P. Smith, J. O. Sawyer 1972-9-14 5803 Siskiyou Miner's Creek Rd. just S of French Creek Rd. between Callahan and Etna. 915 Comment
  JEPS80593  Aruncus dioicus var. pubescens Gilbert Muth 1966-8-3 497 Siskiyou Marble Valley Marble Mt. Wilderness Area (by creek) 1792 Comment
  UC1755271  Asarum caudatum D. W. Taylor 2004-6-10 19094 Siskiyou Strawberry Valley, western base of Rainbow Ridge, headwaters of creek 0.4 miles W of Browns Lake, ca 3 air miles W of Mt. Shasta City. Comment
  RSA238021  Asarum caudatum Frederick W. Oettinger 1967-8-20 285 Siskiyou 100 yds down stream from Tom Taylor Cabin springs. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2012 Comment
  HSC89615  Asarum hartwegii Brian Marston, William Kristan, Reid Storre 1988-3-27 105 Siskiyou 5 mi. S of Somes Bar, Oak Bottom Campground, on Hwy. 99 152 Comment
  SEINET10890225  Asclepias fascicularis H. E. Brown 1897-8-1 Brown 596 Siskiyou Mt. Shasta, S side Comment
  HSC60013  Asparagus officinalis M. A. Baker 1977-6-27 387 Siskiyou Happy Camp. Comment
  HSC19423  Aspidotis densa J. O. Sawyer 1968-7-23 618 Siskiyou Along trail from Brown's Valley to Caribou Basin including areas around Snowslide Lake and Caribou Lake 1829 Comment
  JEPS82682  Aspidotis densa Wayne Roderick 1984-6-7 Siskiyou sw of Stewart Springs (Cabin Meadow) 1935 Comment
  POM23468  Aspidotis densa E. B. Copeland 1903-8-18 3815 Siskiyou Mount Eddy 1677 Comment
  RSA238783  Aster alpigenus Frederick W. Oettinger, R. F. Thorne 1969-8-8 1293 Siskiyou Sundew Bog due E of English Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1829 Comment
  RSA142693  Aster occidentalis Philip A. Munz 1960-8-22 24173 Siskiyou Panther Meadows, Mt. Shasta 2287 Comment
  POM39489  Aster torreyi Edward Palmer 1892-7-13 2516 Siskiyou Mount Shasta and vicinity Comment
  RSA582638  Astragalus accidens var. hendersonii Louis C. Wheeler 1936-6-30 3641 Siskiyou 3 mi. S. Grenada, Shasta Valley. 793 Comment
  UC144161  Astragalus californicus A. A. Heller 1905-6-22 8082 Siskiyou between Igerna and Weed; between Igerna and Weed Comment
  UC81203  Astragalus californicus Thos. Howell 1889-5-12 1351 Siskiyou Hornbrook Comment
  CAS-BOT-BC178815  Astragalus californicus L. E. Smith 1913-5-9 197 Siskiyou Weed Comment
  SEINET5323336  Astragalus californicus Unknown 1909-5-8 593 Siskiyou Humbug Road and McNutty's Field 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
  JEPS107669  Astragalus gambelianus Lowell Ahart, John Dittes 2005-6-9 12013 Siskiyou Pasture field, on the east side of a poor rock fence, about 300 yards east of where cattle water in the Shasta River, about 3/5 mile (air) south of Highway 99/97 Cutoff, about 2 1/2 miles (air) east-southeast of Grenada 774 Comment
  CDA26744  Astragalus purshii Bob Hunter 1948-7-14 Siskiyou Yreka. 0 Comment
  CAS-BOT-BC192915  Astragalus purshii var. lectulus J. P. Moore 629 Siskiyou Shasta Valley Comment
  CDA18415  Astragalus purshii var. tinctus G. D. Barbe, T. C. Fuller & J. T. Howell 1980-4-29 2654 Siskiyou Klamath Ranges; Schoolhouse Hill, summit of Gazelle-Callahan Road, 7 miles (11.3 km) east of Callahan. 1173 Comment
  RSA110924  Astragalus purshii var. tinctus R. C. Barneby 1954-5-16 11515 Siskiyou Scott Road, 10.5 miles below Fort Jones 1006 Comment
  CHSC67491  Astragalus whitneyi var. siskiyouensis James D. Jokerst 1992-7-30 3428 Siskiyou Top of divide between Trinity River, summit of reddish mountain S of road crossing saddle. [no additional location data; W of Interstate 5? V. Oswald] Comment
  CAS-BOT-BC199149  Astragalus whitneyi var. siskiyouensis W. R. Dudley 1899-8-22 s.n. Siskiyou Tower foot hills of Craggy Mt. Comment
  POM120355  Athyrium americanum Geo D. Butler 1910-7-10 1738 Siskiyou Upper Carufehell Lake. 1677 Comment
  RSA215608  Athyrium americanum Anonymous 1969-8-7 1270 Siskiyou Boulder Peak Ridge. 2470 Comment
  HSC29366  Athyrium distentifolium var. americanum Frederick W. Oettinger 1968-8-12 499 Siskiyou Marble Mtn. Wilderness Area, just SE of Tobacco Lake 1890 Comment
  JEPS35151  Athyrium distentifolium var. americanum Joseph P. Tracy 1935-8-1 14416 Siskiyou on ridge between Salmon and New Rivers (extreme head of W Fork of Knownothng Creek, Rock Lake) 1889 Comment
  UC1333324  Athyrium filix-femina var. cyclosorum Dorothy Parker 1949-6-30 Siskiyou stream that empties into Etna Creek; Salmon Mts 1176 Comment
  UC220844  Athyrium filix-femina var. cyclosorum H. E. Brown Jul 15 1897-Jul 31 1897 544 Siskiyou s side Mt Shasta 1524 Comment
  UC1476873  Atriplex heterosperma R. G. Pederson 1979-10-10 51 Siskiyou Lower Klamath National Wildlife Refuge Mt. Dome Quad., Lower Klamath National Wildlife Refuge (Unit 3, road shoulder) Comment
  CDA23342  Atriplex triangularis R. Pederson, G. Pederson 1980-11-9 Siskiyou Lower Klamath National Wildlife Refuge. 0 Comment
  RSA65340  Atriplex truncata L. C. Wheeler 1934-10-21 3330 Siskiyou Shasta Valley 4 mi E Grenada 869 Comment
  RSA82758  Atriplex truncata J. M. Tucker 1950-7-25 1964 Siskiyou Alongside road to Tule Lake, about one mile E of Hwy 97, along east-west road paralleling Oregon-California border, just inside Siskiyou County. Comment
  UCD97849  Atriplex truncata Verne Grant; Irving Scheider 1947-8-26 8301 Siskiyou by Interstate Highway, Lower Klamath Lake. Comment
  UCD56306  Avena fatua A. A. Beetle; G. L. Stebbins Jr. 1942-5-31 3395 Siskiyou 7 miles N of Weed. Comment
  RSA768925  Azolla microphylla Lowell A. Ahart, John Dittes 2010-7-30 16955 Siskiyou Edge of the Shasta River, about 50-100 yards from the East Louie Road Bridge, Shasta Big Springs Ranch, 1.6 air miles southwest of Big Springs Lake, 4.6 air miles northwest of Dwinnel Dam, 5.7 air miles southeast of Grenada. 717 Comment
  UC1053434  Balsamorhiza deltoidea Rimo Bacigalupi and Arthur Holmgren 1950-4-24 3140 Siskiyou cliffs opposite of, along Sacramento River on e side of canyon, directly opposite railroad shops Dunsmuir; Sacramento River Comment
  CAS-BOT-BC106444  Balsamorhiza sericea Ira L. Wiggins 1950-5-28 12386 Siskiyou Serpentine ridge just above Grouse Lake (headwaters of Grouse Creek) 1737 Comment
  CAS-BOT-BC400051  Berberis Doris K. Kildale 1929-5-18 7728 Siskiyou Klamath River at Hornbrook Comment
  CDA24388  Berberis aquifolium T. C. Fuller 1962-8-3 9521 Siskiyou Siskiyou Mountains; Slope above Salt Gulch, Horse Creek. 0 Comment
  HSC58852  Berberis aquifolium var. aquifolium Marvin Butler 1971-7-11 93 Siskiyou Near Youngs Valley, close to the town of Cave Junction 1403 Comment
  UC165951  Berberis aquifolium var. aquifolium Geo. D. Butler 1910-4-11 1169 Siskiyou Yreka Creek Comment
  HSC41073  Berberis aquifolium var. repens J. O. Sawyer 1970-3-4 2076 Siskiyou N of Idlewild Campground. 762 Comment
  CAS-BOT-BC75928  Berberis piperiana Carl B. Wolf 1933-7-5 5974 Siskiyou 4.7 miles from Oak Knoll Ranger Station on Klamath River, on road to Dry Lake Lookout, Siskiyou Mountains. 1219 Comment
  CAS-BOT-BC76010  Berberis pumila Doris K. Kildale 1929-8-24 8833 Siskiyou Preston Peak. 2228 Comment
  HSC65144  Betula occidentalis J. P. Smith, J. O. Sawyer 1972-5-28 5369 Siskiyou 2.7 mi. N of Rd. 8 and Sugar Creek on Hwy. 3 915 Comment
  JEPS107288  Betula occidentalis Lowell Ahart, John Dittes 2005-6-10 12072 Siskiyou On N side of the Shasta R., near rocky hillside N of the Shasta R., S of poor dirt road, ca. 50 yd NW of the pump house along the Shasta R., ca. 1.9 mi (air) S of Hwy 99/97 Cutoff, ca. 6 mi (air) east-SE of Grenada 776 Comment
  JEPS120186  Betula occidentalis Julie Kierstead Nelson with Rhonda Posey, Peter Zika, Talitha Derksen 2012-6-21 2012 -058 Siskiyou South Fork Willow Creek, foothills of N side Scott Mountain Rd. ca. 1 mile S of Gazelle-Callahan Hwy. Comment
  JEPS58658  Betula occidentalis W. L. Jepson 1914-8-13 5794 Siskiyou swamps Sisson 1097 Comment
  RSA715951  Betula occidentalis L. Ahart, John Dittes 2005-6-10 12072 Siskiyou About 50 yards northwest of the pump house along the Shasta River, about 1.9 miles (air) south of Highway 99/97 Cutoff, about 6 miles (air) east-southeast of Grenada. 777 Comment
  UCD77955  Bistorta bistortoides Robert E. Preston 2003-7-31 2176 Siskiyou Rainbow Mountain, at base of N slope, in upper Antelope Creek Meadow. 1661 Comment
  UCSB24981  Bistorta bistortoides Keefe, Joseph 1967-7-11 Siskiyou Little Castle Lake, southeast of Castle Lake, 10 miles southwest of city of Mt. Shasta 1981 Comment
  CAS-BOT-BC127928  Blepharipappus scaber Louis C. Wheeler 1934-6-22 2760 Siskiyou Cottonwood Cr. 914 Comment
  CAS-BOT-BC127942  Blepharipappus scaber Geo. D. Butler 1909-4-14 590 Siskiyou Humbug Road Comment
  HSC26152  Blepharipappus scaber J. P. Smith, J. O. Sawyer 1972-9-12 5767 Siskiyou Scott Mountain; 1/2 mile east of Scott Mountain Rd. (S.R. 3) 1646 Comment
  RSA52464  Blepharipappus scaber Dorothy Parker 1948-5-16 s.n. Siskiyou East side of Scott Valley 915 Comment
  UC166207  Boechera acutina Geo. D. Butler 1910-7-9 1719 Siskiyou Marble Mountain 1828 Comment
  UC375284  Boechera acutina Geo. D. Butler 1910-6-5 1537 Siskiyou Log Lake Comment
  UCD114359  Boechera breweri R. E. Preston 1982-5-1 277 Siskiyou 0.6 mi NW of where Camp Creek enters Irongate Reservoir. 853 Comment
  CAS-BOT-BC16024  Boechera breweri subsp. breweri Lincoln Constance; Reed Clark Rollins 1942-5-13 2901 Siskiyou Klamath-Siskiyou Region. Scott River 2 miles northwest of Scott Bar. 487 Comment
  CAS-BOT-BC13811  Boechera howellii Reed Rollins 1938-7-28 11373 Siskiyou Mount Shasta. North Ridges. 2743 Comment
  CHSC102558  Boechera howellii L. P. Janeway 2009-8-3 9885 Siskiyou High Cascade Range. Mt. Shasta, east-northeast slope 1.3 air km southwest of Brewer Creek Trailhead; about 0.3 km south of Brewer Creek. 2560 Comment
  JEPS82521  Boechera lyallii Gilbert Muth 1966-8-3 493 Siskiyou Marble Valley Marble Mountain Wilderness Area 1792 Comment
  JEPS93825  Boechera pinetorum Vernon H. Oswald and Lowell Ahart 1998-6-11 9179 Siskiyou 2.2 mi ne of Lake Shastina-Big Springs Road ne of Weed (Shasta National Forest plantation on the w side of Highway 97); Shasta National Forest, Highway 97 1066 Comment
  UC1483503  Boechera pinetorum J. Sawyer and J. Cole 1980-7-21 3840 Siskiyou n of F.S. Road 44N01 (near intersection with road to Lava Camp); Klamath National Forest, Medicine Lake Quad. 1676 Comment
  CAS-BOT-BC14669  Boechera rectissima Marion Ownbey; Fred G. Meyer 1940-7-3 2161 Siskiyou 5 miles northwest of McCloud. Comment
  CAS-BOT-BC25415  Boechera retrofracta George Dexter Butler 1910-6-5 1505 Siskiyou Shackleford Creek. Comment
  CAS-BOT-BC25620  Boechera retrofracta Doris K. Kildale 1928-7-2 5372 Siskiyou Salmon Summit via Horn Creek Trail. 1981 Comment
  CAS-BOT-BC25626  Boechera retrofracta H. E. Brown 1897-6-1 438 Siskiyou North side Mount Shasta. 3048 Comment
  JEPS53190  Boechera retrofracta Geo. D. Butler 1909-4-26 610 Siskiyou Quartz Valley Comment
  CAS-BOT-BC25421  Boechera retrofracta L. B. Kildale 1930-6-1 9856 Siskiyou Summit between Sawyers Bar and Etna Mills. Comment
  CAS-BOT-BC25622  Boechera retrofracta C. L. Hitchcock; J. S. Martin 1939-7-9 5310 Siskiyou Between King's Castle and Black Mountain west side of ridge. 1828 Comment
  UC165988  Boechera sparsiflora Geo. D. Butler 1910-5-5 1282 Siskiyou Humbug Mountain Comment
  UC1409353  Boechera suffrutescens Frederick W. Oettinger 1968-8-16 540 Siskiyou n of Hancock Lake (w side of Red Hill, vicinity of English Peak); Salmon Mountains, Marble Mountain Wilderness Area, English P 2057 Comment
  HSC69437  Boykinia major John Palmer 1980-8-13 793 Siskiyou Dead Cow Creek near USFS Rd. 47N44, Beaver Creek Rd. 1616 Comment
  SEINET10904152  Boykinia major Mary Susan Taylor 1980-7-8 Taylor 3105 Siskiyou T39N R5W ne sec 24, Dunsmuir quad; Shasta-Trinity Natl Forest; on NW side of Castle Lake, along edge of lake. 1615 Comment
  CDA24166  Brasenia schreberi P. Zedeker 1964-7-28 Siskiyou Orr Lake, northwest of Bray. 0 Comment
  UC163913  Brickellia californica Geo. D. Butler 1909-9-20 948 Siskiyou near Yreka Comment
  UCD57493  Bromus briziformis Mr. Roseman 1913-1 5 Siskiyou Butte Valley. Comment
  JEPS69158  Bromus carinatus var. carinatus Geo. D. Butler 1909-5-21 815 Siskiyou roadside near Yreka Comment
  RSA582096  Bromus commutatus L. C. Wheeler 1934-6-22 2748 Siskiyou Siskiyou Mts., Cottonwood Creek. 915 Comment
  UC1255319  Bromus diandrus Dorothy Parker 1949-6-16 323 Siskiyou at the entrance to McConahue Gulch (Scott Valley); Scott Valley 853 Comment
  UCD58758  Bromus hordeaceus August L. Hormay 1932-4-20 s.n. Siskiyou Brownwell. Comment
  RSA14320  Bromus marginatus Elmer I. Applegate 1923-8-20 3908 Siskiyou Medicine Lake 1982 Comment
  UCR37855  Bromus marginatus K. T. Stillman 1976-7-15 248 Siskiyou Marble Mountain Wilderness Area, Scott Bar 15' Q. 1951 Comment
  UC1265366  Bromus orcuttianus Frederick W. Oettinger and R. F. Thorne 1969-8-6 1246 Siskiyou below Pine Lake Basin (in vicinity of English Peak, Salmon Mountains, Marble Mountain Wilderness Area, Western Siskiyou County); Salmon Mountains, Marble Mountain Wilderness Area 1828 Comment
  UCD59249  Bromus orcuttianus A. A. Heller 1915-7-18 12124 Siskiyou Metcalf's ranch, base of Mt. Eddy. Comment
  UCD59251  Bromus orcuttianus R. Tofsrud 1948-8-1 s.n. Siskiyou Along road up Mt. Shasta to Panther Meadow. 1219 Comment
  POM364041  Bromus suksdorfii M. B. Dunkle 1945-1 9326 Siskiyou Klamath National Forest, Marble Mountains. 2439 Comment
  RSA184791  Bromus suksdorfii Gilbert Muth 1966-7-17 409 Siskiyou Trail to lookout, on ridge, Marble Mountains 2043 Comment
  HSC68483  Bromus tectorum Maralyn A. Renner 1980-6-10 878 Siskiyou Ridge 1 mi. S of Greenhorn Rd. and 1 mi. E of Mill Creek 1341 Comment
  SEINET10515122  Bromus tectorum A. Arthur Heller 1916-6-20 Heller 12405 Siskiyou Metcalf's ranch, northeast base of Mt. Eddy in openings in the forest. The prevalent tree is Douglas fir with some white fir and sugar pine, after cutting the original stand of Jeffrey pine. The common undershrubs are ceanothus and Uva-ursi in the dry places with Salix and Corylus in low ground. 1189 Comment
  CAS-BOT-BC185260  Calamagrostis koelerioides Doris K. Kildale 1929-8-24 9009 Siskiyou Preston Peak. Rattlesnake Meadow. 1676 Comment
  RSA238372  Calamagrostis koelerioides Frederick W. Oettinger, Robert F. Thorne 1969-8-4 1183 Siskiyou north of Tobacco Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1890 Comment
  RSA239129  Calamagrostis koelerioides Frederick W. Oettinger 1968-9-7 772 Siskiyou On ridge above Tobacco Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2012 Comment
  RSA237960  Callitriche verna Frederick W. Oettinger 1968-8-2 352 Siskiyou Diamond Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2073 Comment
  HSC19314  Callitropsis nootkatensis J. O. Sawyer 1968-9-10 675 Siskiyou Near top of Preston Peak 1524 Comment
  HSC32290  Callitropsis nootkatensis J. O. Sawyer 1971-6-29 2392 Siskiyou Elk Hole 1524 Comment
  CAS-BOT-BC85749  Calocedrus decurrens C. Hart Merriam 1907-9-15 s.n. Siskiyou Near Hat Creek (between Snell's and Eldredge's. Comment
  SBBG15287  Calochortus coeruleus H. and M. Dearing 1939-7-1 3793 Siskiyou Salmon Mtn summit 1828 Comment
  UC119789  Calochortus elegans Harley P. Chandler Jun 1901 1646 Siskiyou Marble Mountain North Coast Ranges 2438 Comment
  CAS-BOT-BC488612  Calochortus elegans var. nanus Harley P. Chandler 1901-6-1 1641 Siskiyou Marble Mountain; North Coast Ranges 2438 Comment
  CDA39290  Calochortus elegans var. nanus T. R. Haig & F. D. Horn 1978-5-31 s.n. Siskiyou Site of Deadwood Lookout, Fort Jones. 0 Comment
  HSC44581  Calochortus elegans var. nanus Laura Witherspoon 1977-6-22 Siskiyou Off G-O Rd. at the boundary of Humboldt-Siskiyou Counties 1494 Comment
  CAS-BOT-BC132420  Calochortus longebarbatus Frank; Forrest; Callahan 1989-9-3 586 Siskiyou Tom Young Flat ca. 2 mi. nw of Pondosa 1292 Comment
  UC1408792  Calochortus nudus F. W. Oettinger 1969-7-25 Siskiyou ca 15 air mi sw Weed (near Kangaroo Lake Campground); Shasta-Trinity National Forest, Scott Mts. Comment
  SEINET3885346  Calochortus persistens Marion Ownbey, Sherman J. Preece 1952-6-25 3341 Siskiyou Ridge road to Deadwood Lookout, mountains west of Yreka.; 0 Comment
  CAS-BOT-BC494022  Calochortus tolmiei J. H. Thomas 1954-5-12 4121 Siskiyou Salmon Mountains, klamath National Forest. Near south Fork of Salmon River, 5 to 9 miles southeast of Cecilville 975 Comment
  CAS-BOT-BC132629  Calochortus uniflorus A. A. Heller 1915-7-15 12100 Siskiyou Mt. Eddy 1371 Comment
  CAS-BOT-BC181510  Caltha leptosepala A. A. Heller 1915-7-15 12080 Siskiyou Mt. Eddy 2072 Comment
  CAS-BOT-BC181512  Caltha leptosepala Annie M. Alexander; Louise Kellogg 1949-7-28 5879 Siskiyou Sky High Valley, Marble Mountains 1767 Comment
  HSC96425  Caltha leptosepala Gordon Leppig, Tony LaBanca, Leonel Arguello 1997-6-27 494 Siskiyou Klamath National Forest, Russian Wilderness, Little Duck Lake Fen 2200 Comment
  CHSC1436  Caltha leptosepala var. biflora V. Holt 1932-7-10 Siskiyou Mt. Eddy. 1524 Comment
  CHSC38987  Calycadenia ciliosa J. D. Jokerst 1983-7-21 1865 A Siskiyou At Wiley Ranch, ca center of the E edge. Comment
  POM250707  Calycadenia ciliosa D. D. Keck 1938-8-7 4851 Siskiyou Schoolhouse Hill, 5.5 miles northeast of Callahan, on road to Gazelle. 1098 Comment
  RSA13400  Calycadenia truncata subsp. scabrella L. C. Wheeler 1934-10-6 3310 Siskiyou Shasta Valley, 2 mi. SE of Yreka. (Mt. Diable Mer.) 854 Comment
  CAS-BOT-BC272752  Calycadenia truncata subsp. truncata Ella Dales Cantelow 1938-10-23 2378 Siskiyou 16 mi. n.w. of Yreka, Klamath River Hy. #96 Comment
  HSC61819  Calyptridium monospermum Ruby Van Deventer 1938-7-21 Siskiyou Poker Flat 1585 Comment
  CAS-BOT-BC221263  Calystegia malacophylla subsp. malacophylla Alice Eastwood 1912-8-30 2030 Siskiyou Mount Eddy Comment
  HSC27110  Calystegia occidentalis subsp. occidentalis Carl W. Mize 1972-6-8 26 Siskiyou Along main trail 335 Comment
  CDA39272  Camassia quamash M. K. Bellue Jun 1934 s.n. Siskiyou near Yreka(?). 0 Comment
  JEPS61535  Camassia quamash subsp. quamash Geo. D. Butler 1909-6-22 890 Siskiyou Goosenest Mountain Comment
  CAS-BOT-BC37002  Camelina microcarpa Reed Rollins 1940-6-7 15094 Siskiyou Along the Pacific Highway near Black Butte. 1219 Comment
  JEPS11747  Campanula prenanthoides Geo. D. Butler 1908-7-20 37 Siskiyou near Yreka; Head of Long Gulch Comment
  RSA264954  Campanula prenanthoides G. L. Clifton 1975-8-1 5048 Siskiyou Roadside. Near Cook and Green Pass; near Seiad Valley. 1463 Comment
  SEINET10972387  Campanula prenanthoides Clifton 1979-8-12 CLIFTON 13992 Siskiyou SCOTT BAR QUAD. NR ISINGLASS LAKE 629', SLOPE, Comment
  SEINET11262424  Campanula prenanthoides Alv Dan Youngberg 1964-7-19 49 Siskiyou West Branch Guard Station. Humbolt Meridian.; 0 671 Comment
  SEINET10463031  Campanula prenanthoides Ira L. Wiggins 1955-7-23 Wiggins 13463 Siskiyou RIDGE W OF CHINE CR, S SIDE OF S FORK SALMON RIVER IN PARTIAL SHADE, 3150 Comment
  SEINET10463110  Campanula prenanthoides Kildale 1929-7-20 KILDALE 8650 Siskiyou Trail up South Fork Indian Creek to Elk Lick Comment
  SEINET12271820  Campanula prenanthoides M. Ownbey, Meyer, F. G. 1940-1 2171 Siskiyou Siskiyou Mts., NW of Hornbrook Comment
  HSC91393  Campanula rotundifolia Jennifer Whipple 1976-7-24 1556 Siskiyou Mt. Eddy, SW of Dobkins Lake 2256 Comment
  RSA456188  Campanula rotundifolia M. B. Dunkle 1945-1 9353 Siskiyou Klamath National Forest, Marble Mountains. 1982 Comment
  SEINET10463435  Campanula scouleri A. Arthur Heller 1915-7-18 Heller 12106 Siskiyou METCALF'S RANCH, NE BASE OF MT EDDY, MOIST SOIL 1189 Comment
  SEINET10872983  Campanula scouleri A. Arthur Heller 1914-8-25 Heller s.n. Siskiyou Deetz Station near Black Butte 1158 Comment
  SEINET10463882  Campanula wilkinsiana Cooke 1939-8-24 COOKE 11894 Siskiyou COMMON ALONG CREEKS IN SQUAW VALLEY CREEK MEADOWS 2286 Comment
  SEINET10872989  Campanula wilkinsiana Cooke 1938-9-17 COOKE 11698 Siskiyou Mount Shasta; Horse Camp Springs, on the Summit trail & Squaw Cr. Meadows. 2469 Comment
  HSC29188  Cardamine californica Frederick W. Oettinger 1967-7-26 184 Siskiyou Marble Mtn. Wilderness Area, just below Tom Taylor Cabin spring 2049 Comment
  RSA281668  Cardamine cordifolia var. lyallii S. O. Mattoon 1978-7-23 120 Siskiyou Wright Lakes Trail at Upper Wright Lake, approx. 11 air miles W of Fort Jones, Marble Mts. 2195 Comment
  CAS-BOT-BC19762  Carex abrupta John Thomas Howell 1939-8-3 15004 Siskiyou Spirit Lake, Marble Mountains. 1828 Comment
  RSA237249  Carex abrupta Frederick W. Oettinger 1968-9-6 803 Siskiyou West shore of Hancock Lake. Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1890 Comment
  UCD140054  Carex abrupta Lewis S. Rose 1937-7-3 37393 -A Siskiyou Weed, CA. 944 Comment
  RSA364723  Carex amplifolia L. C. Wheeler 1934-6-14 2711 Siskiyou Arrastre Creek off Hungry Creek. Siskiyou Mountains. 1280 Comment
  SEINET10586479  Carex amplifolia A. Arthur Heller 1905-6-5 Heller 7974 Siskiyou Between Shasta Retreat and Shasta Springs. Comment
  CAS-BOT-BC17964  Carex angustata W. R. Dudley 1893-6-21 s.n. Siskiyou Peter Klinks Meadow near Sissons. Comment
  JEPS63766  Carex aquatilis W. L. Jepson July 1894 55 a Siskiyou Sisson Comment
  HSC85806  Carex aquatilis var. dives L. P. Janeway 1983-8-28 637 Siskiyou Poker Flat, middle of meadow 1529 Comment
  SEINET11309953 Image available Carex atherodes Unknown 2009-1 24601 Siskiyou North side of Route 97, 0.4 road miles ENE of Grass Lake Rest Area, Cascade Range Highlands (CaRH). Comment
  UC822939  Carex athrostachya John Thomas Howell 1939-8-8 15139 Siskiyou between Sky High Valley and Marble Valley Marble Mountains Comment
  CAS-BOT-BC19072  Carex aurea John Thomas Howell 1937-7-22 13257 Siskiyou South Fork of Salmon River near Big Flat. 1524 Comment
  CAS-BOT-BC19655  Carex brainerdii L. P. Janeway 1983-8-7 523 Siskiyou East side of Peak 5148, near end of road 17N32 ca 19 miles from Indian Creek Road. 1554 Comment
  JEPS25573  Carex breweri Rimo Bacigalupi with George Bacigalupi Jr. 1959-7-1 7198 Siskiyou near head of ski lift above Mount Shasta Ski Bowl Lodge; southwestern slopes of Mount Shasta 2834 Comment
  UC672  Carex breweri W. H. Brewer 1862-9-13 1391 Siskiyou Mt. Shasta; ; Mt. Shasta 2743 Comment
  HSC69183  Carex echinata subsp. echinata Maralyn A. Renner 1980-8-31 2637 Siskiyou Twin Valley. 1494 Comment
  JEPS84066  Carex echinata subsp. echinata L. R. Heckard with J. Hickman 1986-7-16 6444 Siskiyou se Red Butte (ca. 5 mi n of the town of Seiad Valley); Lily Pad Lake 1770 Comment
  CAS-BOT-BC20130  Carex feta H. A. Thomas; J. H. Thomas 1954-7-21 4417 Siskiyou Salmon-Trinity Mountains. About 6 miles SE of Cecilville. West side of Rush Creek. 1158 Comment
  CAS-BOT-BC20132  Carex feta George Dexter Butler 1909-6-13 807 Siskiyou Oro Fino. Comment
  HSC82003  Carex gracilior Thomas W. Nelson, Jane P. Nelson 1979-6-16 4849 Siskiyou Along Hwy. 3, 2.7 mi. N of Scott Mtn. Summit 1341 Comment
  HSC39082  Carex halliana D. H. Norris May 1970 12284 Siskiyou Haypress Meadows, Marble Mtn. Wilderness Area Comment
  HSC77213  Carex hassei L. P. Janeway 1983-8-6 489 Siskiyou At Poker Flat, near seep drainage at front edge of upper portion of meadow. 1524 Comment
  HSC61817  Carex interior Ruby Van Deventer 1960-7-13 Siskiyou Poker Flat 1585 Comment
  JEPS84071  Carex lenticularis var. impressa L. R. Heckard with S. D'Alcamo, J. Hickman 1986-7-16 6375 Siskiyou ca. 1.5 mi e Red Butte summit (ca. 7 mi nne of Seiad Valley, w of Cook and Green Pass) 1900 Comment
  SEINET7564601 Image available Carex lenticularis var. impressa John Thomas Howell 1939-8-7 15128 Siskiyou Sky High Valley, Marble Mts. 1829 Comment
  CHSC96158  Carex lenticularis var. lipocarpa L. P. Janeway 2006-7-1 8716 Siskiyou Klamath Ranges. Salmon Mountains; just west of Carter Meadow, north side of South Fork Salmon River. Small open dry meadow along road with seepy ditch along upper road edge. 1579 Comment
  CAS-BOT-BC31436  Carex leporinella Louis C. Wheeler 1934-8-9 3087 Siskiyou Jaynes Canyon. 1981 Comment
  UC1950183  Carex luzulina Barbara Ertter 1990-7-16 9378 Siskiyou NW side of Mt Eddy ca 8 airmiles SW of Weed, ca 1-2 mi from Parks Cr trailhead (= crest of Rt 17) along ridge; steep N-facing rocky slope 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
  UC642548  Carex luzulina var. luzulina W. Bridge Cooke 1939-6-23 13548 Siskiyou Wagon Camp 1737 Comment
  SEINET10711249  Carex mariposana Louis C. Wheeler 1934-8-6 Wheeler 3049 Siskiyou Dry sunny meadow. Bear Ground Gulch off James Canyon. Siskiyou Mts. S32, T48N, R9W. Mt. Diablo Mer. 1676 Comment
  HSC59011  Carex mertensii Marvin Butler 1971-7-21 179 Siskiyou Near Bell Echo Camp, close to the town of Cave Junction 1433 Comment
  HSC76313  Carex mertensii L. P. Janeway 1982-7-18 78 Siskiyou Next to Green Creek, 30 m above crossing of FS 19N07 1250 Comment
  RSA237260  Carex mertensii Frederick W. Oettinger 1969-8-6 1233 Siskiyou White Pine Meadow, northwest of Pine Lake. Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1883 Comment
  HSC42949  Carex multicaulis J. O. Sawyer, K. T. Stillman 1976-7-1 2770 Siskiyou Streamside terraces and lower slopes along the Little N Fork of the Salmon River. 732 Comment
  JEPS121396  Carex multicaulis Peter F. Zika & Julie Nelson 2012-6-21 25909 Siskiyou ridge above South Fork Willow Creek, 9 air km ENE of Gazelle Mountain, Shasta-Trinity National Forest, FS Road 42N42Y, 0.25 road miles E of junction with 42N19 Comment
  SEINET8275892  Carex multicaulis Elmer I. Applegate 1895-5-28 784 Siskiyou Sisson, Strawberry Valley, Siskiyou County, California Comment
  CAS-BOT-BC32278  Carex multicostata Lewis Samuel Rose 37593 Siskiyou S slope of Mt. Shasta 1767 Comment
  HSC76373  Carex nebrascensis L. P. Janeway 1982-8-14 133 Siskiyou Between Hwy. 96 and Klamath River, near level of Hwy. 427 Comment
  UC1265347  Carex nigricans Frederick W. Oettinger and R. F. Thorne 1969-8-6 1261 Siskiyou w Tom's Lower Pond; Salmon Mountains, Marble Mountain Wilderness Area 1950 Comment
  UCR45816  Carex nudata L. P. Janeway 1983-7-30 461 Siskiyou Condrey Mtn. Q., North side of Klamath River at the Walker Bridge 518 Comment
  POM173649  Carex nudata Geo D. Butler 1910-7-6 1646 Siskiyou Shackleford Creek. 915 Comment
  SEINET7569426 Image available Carex nudata John Thomas Howell, T. C. Fuller, G. D. Barbe 1980-4-29 53432 Siskiyou Along East Fork Scott River 2 miles east of Callahan on road to Gazelle. 991 Comment
  CHSC118258  Carex pachycarpa R. E. Brainerd; N. Otting 2013-7-12 2189 Siskiyou Klamath Mountains. Lower Big Meadow, ca. 0.2 mile southwest of Big Meadow Trailhead, 6.7 air miles west of Oro Fino. UTM Zone 10 495857E 4604306N WGS84. 1981 Comment
  CAS-BOT-BC119129  Carex phaeocephala P. M. Kamb 1949-8-25 1498 Siskiyou SW slope of Mt. Shasta, above Horse Camp 3169 Comment
  JEPS25564  Carex phaeocephala Rimo Bacigalupi with George Bacigalupi Jr. 1959-7-1 7189 Siskiyou just e Mt. Shasta Ski Bowl Lodge (at upper end of Everitt Highway, sw slopes of Mt. Shasta); Mt. Shasta 2346 Comment
  UC1950435  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 Comment
  RSA91047  Carex preslii J. T. Howell 1937-7-24 13431 Siskiyou Caribou Basin, Salmon-Trinity Alps. 1982 Comment
  CHSC102562  Carex rossii L. P. Janeway 2009-8-3 9891 Siskiyou High Cascade Range. Mt. Shasta, east-northeast slope 2.4 air km southwest of Brewer Creek Trailhead; about 20 m south of Brewer Creek. 2637 Comment
  CHSC109958  Carex rossii Peter F. Zika; Julie Nelson 2012-6-21 25908 Siskiyou Ridge above South Fork Willow Creek, 9 air km ENE of Gazelle Mountain, Shasta-Trinity National Forest, FS Road 42N42Y, 0.25 road miles E of junction with 42N19, Klamath Range. 1665 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
  HSC62616  Carex rossii Ruby Van Deventer Siskiyou Youngs Valley Comment
  SEINET7573860 Image available Carex rossii Barbara L. Wilson 1996-6-22 8165 Siskiyou Shasta-Trinity National Forest, Castle Lake Campground near Castle Lake. 1524 Comment
  UCR52392  Carex rostrata L. P. Janeway 1982-7-2 37 Siskiyou Poker Flat, at bottom of the break between the upper & lower portions of the meadow 1524 Comment
  HSC76823  Carex scabriuscula L. P. Janeway 1982-8-13 125 Siskiyou 70 m N of Bear Lake at edge of seasonal channel 1814 Comment
  SEINET7486452 Image available Carex scabriuscula Peter F. Zika 2009-1 24536 Siskiyou near Pacific Crest Trail, Route 3, Scott Mountain Summit 1640 Comment
  SEINET7574452 Image available Carex scabriuscula L. P. Janeway 2006-7-4 8788 Siskiyou Scott Mountain 7.5' quad, Klamath Ranges, Scott Mountains, Darlingtonia fen and creeklet complex above Road 40N13 1.6 air km west of Scott Mountain Summit. 1728 Comment
  UCSB63775  Carex scabriuscula Oswald, Vernon; Ahart, Lowell 1998-8-3 Siskiyou Near the Pacific Crest Trail; in the Scott Mtns.; west of Kangaroo Lake: T40N R7W NW1/4 Sect. 14 1981 Comment
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Dec 24 2010
  HSC45963  Carex serratodens J. P. Smith, Steve Selva 1970-6-15 3945 Siskiyou Road between Forks of Salmon and Cecilville. 579 Comment
  CAS-BOT-BC117255  Carex spectabilis John Thomas Howell 1939-8-8 15189 Siskiyou Black Mt. Marble Mts. Comment
  CAS-BOT-BC117261  Carex spectabilis G. Douglas Barbe 1959-7-4 501 Siskiyou North shore of Caribou Lk, ca 4 mi SW of Big Flat Camp, Klamath Nat'l Forest. 2103 Comment
  HSC39292  Carex spectabilis J. O. Sawyer 1969-8-2 1720 Siskiyou E facing slope SW of Little Duck Lake 2241 Comment
  UC1190189  Carex spectabilis Ira L. Wiggins 1955-7-27 13549 Siskiyou Caribou Lake Salmon-Trinity Alps Primitive Area 2042 Comment
  HSC30702  Carex spectabilis Frederick W. Oettinger 1969-8-19 1439 Siskiyou Marble Mtn. Wilderness Area, SW of Arrow Peak and N of English Peak 1936 Comment
  SEINET7575713 Image available Carex spectabilis Frederick W. Oettinger 1968-9-4 700 Siskiyou Salmon Mountains, High Lake Basins in the vicinity of English Peak Marble Mountain Wilderness area, slope southeast of Abbotts Lake. 1722 Comment
  CHSC82751  Carex straminiformis L. P. Janeway 2002-7-13 7639 Siskiyou High Cascade Range. 1.0 km west of the western edge of Medicine Lake; 0.2 km southeast of Road 43N48 on west side of the road to a cinder pit. 2079 Comment
  SD53353  Carex straminiformis Darley F. Howe 1962-8-6 Siskiyou Mt. Shasta 2438 Comment
  SEINET10749867  Carex straminiformis A. Arthur Heller 1916-7-20 Heller 12468 Siskiyou Near Eagon Creek Falls, east side of Mt. Eddy in the yellow pine belt, the common shrubs Ceanothus, Uvva-ursi and Pasania, 1524 Comment
  SEINET10749876  Carex straminiformis Edwin B. Copel 1903-8-16 Copeland 3893 Siskiyou Mt. Shasta. 2438 Comment
  UC836151  Carex subfusca Louis C. Wheeler 1934-6-22 2754 Siskiyou Cottonwood Creek Siskiyou Mts. 914 Comment
  UCD140910  Carex subfusca A. A. Heller 1920-6-24 13390 Siskiyou Metcalf's ranch, NE base of Mt. Eddy. 1158 Comment
  RSA238961  Carex vesicaria Frederick W. Oettinger 1969-8-22 1506 Siskiyou Along N shoreline of Horse Range Lake. Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1822 Comment
  CHSC82803  Carex whitneyi L. P. Janeway 2002-7-12 7625 Siskiyou High Cascade Range. 3.5 km south of the top of Ash Creek Butte; 0.2 km southwest of Road 19 (Military Pass Road); 0.6 km north-east of confluence of Ash Creek and Brewer Creek. 1573 Comment
  RSA760761  Cassiope mertensiana R. F. Thorne, Frederick W. Oettinger 1969-8-4 63371 Siskiyou Klamath National Forest, Salmon Mountains, Marble Mountain Wilderness Area, high lake basins in the vicinity of English Peak 2072 Comment
  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
  CAS-BOT-BC241135  Castilleja applegatei subsp. pinetorum Elmer I. Applegate 1935-6-6 9359 Siskiyou North base of Caldwell Butte, Lava Beds National Monument Comment
  CAS-BOT-BC241149  Castilleja applegatei subsp. pinetorum Alice Eastwood No date on label s.n. Siskiyou Cantara Comment
  HSC81582  Castilleja applegatei subsp. pinetorum Thomas W. Nelson, Jane P. Nelson 1980-7-17 6086 Siskiyou Along FS Rd. 17, 1 mi. N of summit at county line 2073 Comment
  JEPS6837  Castilleja applegatei subsp. pinetorum H. A. Thomas and J. H. Thomas 1954-7-21 4423 Siskiyou about 6 mi se Cecilville (w side of Rush Creek); Salmon-Trinity Mts. 1158 Comment
  POM15470  Castilleja applegatei subsp. pinetorum E. B. Copeland 1903-8-14 13125 Siskiyou Sisson. Comment
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Jan 23 2011
  RSA425928  Castilleja applegatei subsp. pinetorum M. B. Dunkle 1944-6-26 9046 Siskiyou Siskiyou National Forest. Coastal Northern California. Comment
  CAS-BOT-BC243750  Castilleja applegatei var. pinetorum Doris K. Kildale 1929-5-26 9184 Siskiyou Salmon River at Hawkins Bar 609 Comment
  CAS-BOT-BC243774  Castilleja applegatei var. pinetorum Alice Eastwood 1923-5-23 11912 Siskiyou Cantara, S.P.R.R. Comment
  CAS-BOT-BC243752  Castilleja applegatei var. pinetorum Doris K. Kildale 1929-6-22 8036 Siskiyou WEst base of Black Butte near Mt. Shasta Comment
  JEPS57209  Castilleja arachnoidea L. R. Heckard 1967-8-14 1730 Siskiyou above Horse Camp (sw flank of Mt. Shasta); Mt. Shasta 2560 Comment
  UC313766  Castilleja arachnoidea David D. Keck 1926-8-16 308 Siskiyou Horse Camp Mt. Shasta (s side of Mt. Shasta) 2468 Comment
  HSC59896  Castilleja arachnoidea D. L. Goforth 1979-7-7 235 Siskiyou Klamath National Forest, near Deer Camp 1860 Comment
  RSA237566  Castilleja arachnoidea Frederick W. Oettinger 1968-8-4 393 Siskiyou Crapo Peak Ridge. The Salmon Mountains. The High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2195 Comment
  UC454803  Castilleja lacera I. J. Condit 1911-7-28 Siskiyou Shasta Retreat Comment
  UCR21105  Castilleja lacera T. W. Fisher, Earl Oatman, R. E. Orth 1974-6-26 s.n. Siskiyou McIntosh Ranch on the McCloud River near Bartle 1220 Comment
  CAS-BOT-BC254101  Castilleja miniata John Thomas Howell 1937-7-22 13293 Siskiyou South Fork of Salmon River near Big Flat 1524 Comment
  UC164431  Castilleja miniata Geo. D. Butler 1908-8-10 424 Siskiyou Shackleford Creek Comment
  JEPS23770  Castilleja miniata Rimo Bacigalupi with Drs. Reino and Aloha Alava 1958-9-2 6830 Siskiyou just n Scott Mtn. road summit 1615 Comment
  JEPS3851  Castilleja miniata subsp. elata W. L. Jepson 1937-7-30 18560 Siskiyou headwaters of Indian Creek; Poker Flat 1584 Comment
  SBBG6812  Castilleja miniata subsp. miniata H. and M. Dearing 1939-7-2 Siskiyou near Salmon Mtn Comment
  HSC45159  Castilleja pruinosa J. O. Sawyer, E. Cope 1977-6-19 2947 Siskiyou Clear Creek Trail between West Fork and Preston Creek 854 Comment
  JEPS82455  Castilleja pruinosa Gilbert Muth 1966-7-14 394 B Siskiyou s of Marble Valley (Marble); Marble Mt. Wilderness Area 1792 Comment
  POM42524  Castilleja pruinosa Geo. D. Butler 1910-5-15 1340 Siskiyou Greenhorn Mts. 1220 Comment
  JEPS93846  Castilleja tenuis Vernon H. Oswald and Lowell Ahart 1998-6-11 9207 Siskiyou 9 air mi e of Grass Lake (22 air mi ne of Weed, Dry Lake on the s side of Tennant Road); Dry Lake, Tennant Road 1402 Comment
  CAS-BOT-BC48648  Ceanothus cordulatus W. R. Dudley 1899-8-27 s.n. Siskiyou Sisson Comment
  CAS-BOT-BC48654  Ceanothus cordulatus Alice Eastwood 1912-7-20 s.n. Siskiyou Sisson Comment
  SD42409  Ceanothus cordulatus Carl B. Wolf 1941-7-25 11072 Siskiyou 2 Mi. E. McCloud on Calif. Highway #89 1219 Comment
  UC144559  Ceanothus cordulatus A. A. Heller 1905-6-5 7968 Siskiyou betw Shasta Retreat and Shasta Springs Comment
  SEINET11616398 Image available Ceanothus incanus A. A. Heller 1905-6-16 8051 Siskiyou Near Sisson Comment
  SBBG16397  Ceanothus integerrimus D. Myrick 1961-6-21 299 Siskiyou Deer Camp Rd above Oak Knoll Ranger Station, Klamath River, 19 mi W of Hwy 99 1066 Comment
  UC144555  Ceanothus integerrimus A. A. Heller 1905-6-1 7926 Siskiyou Between Dunsmuir and Upper Soda Springs 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
  HSC100191  Ceanothus prostratus J. P. Smith, & J. O. Sawyer 2011-9-4 13411 Siskiyou Montague- Ball Mountain-Little Shasta Road (County Road 7K007). 1192 Comment
  RSA24231  Ceanothus prostratus Carl B. Wolf 1940-12-11 9797 Siskiyou Siskiyou Mts, 8 miles above oak Knoll ranger station on road to dry lake lookout. 1524 Comment
  SJSU6488  Ceanothus prostratus R. W. Trivelpiece 1972-6-9 103 Siskiyou c. 4 mi E of Grass L 1524 Comment
  HSC100186  Ceanothus sanguineus J. P. Smith, & J. O. Sawyer 2011-9-3 13404 Siskiyou Along Klamath National Forest Road 47N01. 739 Comment
  CAS-BOT-BC63159  Ceanothus velutinus W. B. C. 1938-6-17 11022 Siskiyou Sisson Southern Trail. 1371 Comment
  POM85994  Ceanothus velutinus Geo. D. Butler 1910-6-5 1480 Siskiyou Shackleford Creek Comment
  UCR95633  Ceanothus velutinus L. C. Wheeler 1963-9-3 8339 Siskiyou Siskiyou Mtns. Cyclone Gap chrome mine Comment
  CAS-BOT-BC52844  Ceanothus velutinus var. velutinus Doris K. Kildale 1928-8-20 6588 Siskiyou Lily Pad Lake near Hancock Lookout on trail to Marble Mt. Comment
  CDA7018  Centaurea calcitrapa C. S. Giebner 1960-7-25 Siskiyou Edson Foulke Ranch, ca. 1 mile northeast of Gazelle. 0 Comment
  CAS-BOT-BC272123  Centaurea cyanus Alice Eastwood 1912-7-22 1303 Siskiyou Sisson 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
  CDA36863  Centaurea diffusa D. B. Joley 1976-6-24 5 A Siskiyou Lake Siskiyou. 0 Comment
  CDA7265  Centaurea maculosa T. C. Fuller 1963-8-26 11155 Siskiyou W. H. Kerr, Flying K Ranch, upper Quartz Valley, 2 miles south of Mugginsville. 0 Comment
  HSC33354  Centaurea virgata subsp. squarrosa William J. Ferlatte 1974-6-27 1501 Siskiyou 0.5 mile W of Hawkinsville on Long Gulch Rd.; N side 793 Comment
  CAS-BOT-BC288794  Centromadia fitchii L. R. Abrams 1927-9-11 12140 Siskiyou Shasta Valley, Yreka to Gazelle Comment
  CAS-BOT-BC288798  Centromadia fitchii Donald Myrick 1961-6-21 295 Siskiyou Along Highway 99 just S of Yreka Comment
  CAS-BOT-BC384868  Cerastium Gilbert Muth 1965-8-18 s.n. Siskiyou Trail behind Black Mountain Comment
  UC1618226  Cerastium arvense Barbara Ertter 1990-7-14 9339 Siskiyou ca. 4 airmiles w. Mt. Shasta City (Wagon Creek on e. side of Mt. Eddy, where several forks join before steep drop); Mt. Eddy, Wagon Creek 1828 Comment
  HSC92581  Cerastium arvense Jennifer Whipple 1976-7-8 1340 Siskiyou N slopes of Mount Eddy. 2439 Comment
  CHSC96778  Cerastium dichotomum T. C. Fuller 1962-5-18 8745 Siskiyou Northern California. Siskiyou County. B.M. Long property, Little Shasta Rd, 5 mi E of Montague. Comment
  CAS-BOT-BC135449  Cercocarpus betuloides var. betuloides L. E. Smith 1913-5-14 209 Siskiyou Yreka Comment
  CAS-BOT-BC148517  Cercocarpus ledifolius var. ledifolius J. H. Chastain 1917-6-1 s.n. Siskiyou North fork of Trinity River Comment
  CAS-BOT-BC148531  Cercocarpus ledifolius var. ledifolius Geo. D. Butler 1910-4-10 1166 Siskiyou Near Yreka Comment
  CHSC69819  Chaenactis douglasii var. douglasii D. M. Thomson 1965-6-30 120 Siskiyou Lava Beds N.M. On cave loop road, near Catacombs Cave. Comment
  UC1170098  Chaenactis douglasii var. douglasii unknown 1956-7-16 30293 Siskiyou above Hotlum Station (along old loggin road; n side of Mount Shasta); Mount Shasta 1524 Comment
  UC642590  Chaenactis douglasii var. douglasii Palmer Stockwell 1939-8-10 13872 Siskiyou between Squaw Valley Creek and Mud Creek Canyon 2895 Comment
  CAS-BOT-BC276760  Chaenactis douglasii var. douglasii A. A. Heller 1916-6-23 12431 Siskiyou Near Black Butte N of Sisson 1127 Comment
  HSC5256  Chaenactis douglasii var. douglasii D. M. Thomson 1965-6-30 120 Siskiyou California Lava Bedds National Monument; 1 mile up Cave Loop Road Comment
  RSA210823  Chamaebatiaria millefolium Robert F. Thorne, James Henrickson, C. W. Tilforth 1969-9-3 39014 Siskiyou Lava Beds National Monument, near Fleener Chimneys. 1524 Comment
  MACF017396  Chamaecyparis Trudy R. Ericson 1974-8-8 218 Siskiyou About 17 mi. northwest of Happy Camp on road to Cave Junction, Oregon Comment
  HSC101469  Chamaecyparis lawsoniana J. P. Smith, J. O. Sawyer 2011-7-21 13031 Siskiyou Flint Valley at the end of the G-O Road. 1313 Comment
  CAS-BOT-BC160568  Chamerion angustifolium Gilbert Muth 1965-8-12 s.n. Siskiyou 2/3 up meadow on back of Blk. Mt. 2133 Comment
  HSC29136  Chamerion angustifolium subsp. circumvagum Frederick W. Oettinger 1968-8-2 365 Siskiyou Marble Mtn. Wilderness Area, Diamond Lake 2073 Comment
  CAS-BOT-BC68218  Cheilanthes gracillima Maxine Wilkes 1940-8-1 s.n. Siskiyou Deep Lake, Marble Mts. Comment
  HSC76974  Cheilanthes gracillima K. T. Stillman 1976-6-25 44 Siskiyou Marble Mtn. Wilderness Area 1829 Comment
  UC1190383  Cheilanthes gracillima Ira L. Wiggins 1955-7-27 13531 Siskiyou w side Caribou Lake; Salmon-Trinity Alps Primitive Area Comment
  UC851054  Chenopodium pumilio L. E. Smith 1913-7-12 467 Siskiyou Igerna Comment
  CAS-BOT-BC452281  Chimaphila umbellata Doris K. Kildale 1930-6-1 9787 Siskiyou Black Bear trail to Sawyer's Bar Comment
  CAS-BOT-BC452287  Chimaphila umbellata H. A. Thomas; J. H. Thomas 1954-7-21 4422 Siskiyou Salmon-Trinity Mts. About 6 miles SE of Cecilville. West side of Rush Creek 1219 Comment
  CHSC33839  Chimaphila umbellata J. D. Prouty 1981-7-13 1233 Siskiyou W slope of Lookout Point. 1615 Comment
  HSC19017  Chimaphila umbellata J. O. Sawyer 1969-7-23 1163 Siskiyou Near Horse Range Creek. 1341 Comment
  HSC73212  Chimaphila umbellata Gail Newton 1980-6-20 499 Siskiyou Near Bald Mtn. 1097 Comment
  CAS-BOT-BC452273  Chimaphila umbellata Maxine Wilkes 1940-8-20 s.n. Siskiyou Deep Lake, Marble Mts. Comment
  HSC96818  Chimaphila umbellata S. Lyon, J. McIntire 2006-6-25 22 Siskiyou On FS Rd. 39N35, 0.26 mi. SE of intersection with FS Rd. 39N27 1341 Comment
  CDA1896  Chloris virgata T. C. Fuller 1966-10-5 15243 Siskiyou West side of Interstate 5 just south of exit to Hilts. 0 Comment
  SEINET7075526  Chlorogalum angustifolium A. G. Vestal 1955-5-16 s.n. Siskiyou About 6.2 miles northwest of Weed. 41? deg. 28' 27" North Latitude, -122? deg. 28' 53" West Longitude. UTM Zone 10, 543291mE, 4591309mN. (NAD 27). [Coordinate Datum: WGS84/NAD83]. Comment
  UC1096787  Chrysolepis sempervirens Milo S. Baker 1957-6-16 13143 Siskiyou from turn-off near Callahan (trip to Scott Mountain); North Coast Ranges Comment
  UCD13279  Chrysolepis sempervirens K. F. Mawdsley 1996-7-9 12 b Siskiyou California, Siskiyou County. Russian Wilderness in Klamath NF. T40N, R9w, NW 1/4 of Section 19, Eaton Peak 7.5 topo. Elevation 6400. From Eaton-Duck Lakes Trailhead off Hwy 3 on French Creek Rd. Comment
  RSA14165  Chrysolepis sempervirens C. Hart Merriam 1898-09 s.n. Siskiyou From south side of Mt. Shasta. 2439 Comment
  UC1598730  Cicuta douglasii T. S. Brandegee July 1887 Siskiyou Sisson Comment
  CDA1026  Cirsium andersonii M. R. Pryor 1950-7-26 s.n-A Siskiyou Hwy 99, 4 mi. N of Gazelle. Comment
  CAS-BOT-BC278034  Cirsium cymosum D. H. Shaw; T. C. Fuller 1978-7-5 20246 Siskiyou North side of York Road, 0.3 km. east of Bryant-Willow Creek Road, 15 km. north of Montague Comment
  CAS-BOT-BC278038  Cirsium cymosum John Thomas Howell 1952-6-15 28358 Siskiyou Yreka Comment
  CDA1205  Cirsium douglasii var. breweri T. C. Fuller 1959-1 3088 -A Siskiyou 3 mi. N/ Weed; Shasta River, wet meadow just S/ Hwy 99. Comment
  CAS-BOT-BC288006  Cirsium occidentale var. candidissimum John Thomas Howell 1952-6-15 28362 Siskiyou Montague Comment
  SBBG18918  Cirsium occidentale var. candidissimum F. E. Clements 1918-1 Siskiyou 2 mi from Hornbrook Comment
  CAS-BOT-BC288776  Cirsium remotifolium H. A. Thomas; J. H. Thomas 1954-7-25 4536 Siskiyou Salmon - Trinity Mts. Vicinity of Rush Lake and Rush Creek Meadow. About 9 miles E of Cecilville 1981 Comment
  CDA1554  Cirsium remotifolium var. odontolepis J. R. Grisham 1960-7-14 s.n. Siskiyou U.S. rangeland, 15 mi. N/ Cecilville. Klamath National Forest 0 Comment
  JEPS86288  Cirsium scariosum W. L. Jepson 1940-7-3 20111 Siskiyou about 5 mi se Bartle; Big Bear Flat 1219 Comment
  HSC75625  Cirsium scariosum J. O. Sawyer, R. J. Cole 1980-7-23 3907 Siskiyou S of Tennant 1524 Comment
  CDA1590  Cirsium scariosum var. robustum T. C. Fuller 1959-7-9 2738 Siskiyou Hwy 99, 2 mi. S/ Gazelle. 0 Comment
  RSA439205  Cirsium vulgare L. C. Wheeler 1934-7-5 2882 Siskiyou Deer Creek, Sterling Mt., Siskiyou Mts 1524 Comment
  UC1216711  Cirsium vulgare W. B. and V. G. Cooke 1962-8-19 33550 Siskiyou Memorial Highway Mt. Shasta, Memorial Highway 1219 Comment
  CAS-BOT-BC228984  Cistanthe umbellata Alice Eastwood 1912-8-30 2016 Siskiyou Mount Eddy Comment
  CAS-BOT-BC172045  Clarkia gracilis subsp. gracilis Roxana S. Ferris; Laura Lorraine 1948-6-12 11711 Siskiyou Schoolhouse Hill, Plowmans Valley (Noyes Valley), east fork of Scott Valley Comment
  HSC16291  Clarkia lassenensis R. C. Wunner 1965-6-6 66 Siskiyou Lava Beds N.M., Indian Well area 1433 Comment
  CAS-BOT-BC163283  Clarkia mildrediae subsp. mildrediae A. A. Heller 1928-6-10 14611 Siskiyou Along the Pacific Highway on a shale bank between Salt Creek and Pollock Comment
  CAS-BOT-BC164968  Clarkia rhomboidea Geo. D. Butler 1910-5-30 1436 Siskiyou Dry land near Hawkinsville Comment
  UCD100501  Claytonia cordifolia J. P. Smith; Steve Selva 1970-6-16 4055 Siskiyou 8 miles west of Etna on road to Sawyers Bar. 1371 Comment
  RSA50231  Claytonia cordifolia E. K. Balls 1949-7-9 13939 Siskiyou 8.3 miles from Etna on road to Sawyer s Bar. 1006 Comment
  HSC22226  Claytonia rubra subsp. rubra J. O. Sawyer 1969-7-1 991 Siskiyou Above Paynes Lake Creek 1951 Comment
  CHSC1385  Claytonia sibirica K. Jaekel 1939-7-25 Siskiyou Mt. Shasta. Comment
  HSC42887  Clinopodium douglasii K. T. Stillman 1976-8-15 402 Siskiyou Along Specimen Creek 915 Comment
  HSC67679  Clintonia uniflora John Palmer 1980-7-24 620 Siskiyou Klamath National Forest, Elk Hole 1503 Comment
  JEPS82734  Clintonia uniflora Wayne Roderick 1983-7-10 Siskiyou Doe Flat, near Del Norte County boundary Doe Flat 1143 Comment
  CAS-BOT-BC238056  Collinsia Alice Eastwood 1912-7-15 s.n. Siskiyou Mc Cloud [McCloud] 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
  HSC44716  Collinsia rattanii J. O. Sawyer, E. Cope 1977-6-18 2913 Siskiyou Along Clear Creek Trail between Ten Mile Creek and Bear Pen Creek 610 Comment
  RSA211303  Collinsia torreyi var. latifolia William J. Ferlatte 1966-6-22 99 Siskiyou Along the South Fork of the Salmon River between the campgrond and Carter's; Trinity Alps. 1524 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
  JEPS80584  Collomia grandiflora Gilbert Muth 1965-7-29 137 Siskiyou meadow below Marble Rim; Marble Mt. Wilderness Area 1895 Comment
  RSA12614  Collomia grandiflora C. B. Wolf 1934-7-5 5971 Siskiyou 6-6/10 mi. from Dry Lake Lookout on rd. to Oak Knoll R. S. on Klamath River 1524 Comment
  POM75196  Collomia grandiflora Geo D. Butler 1910-5-19 1366 Siskiyou Yreka. Comment
  UC164012  Collomia heterophylla Geo. D. Butler 1910-6-4 1496 Siskiyou Shackleford Creek Comment
  UCD77565  Collomia linearis Robert E. Preston 2001-6-30 1640 Siskiyou Rainbow Mountain and Vicinity. Klamath National Forest, north slope of Rainbow Mountain. 1722 Comment
  SBBG5813  Collomia tinctoria H. and M. Dearing 1939-7-1 3791 Siskiyou Salmon Mtn 1828 Comment
  HSC27966  Collomia tracyi Carl W. Mize 1972-6-8 4 Siskiyou Along main trail 335 Comment
  JEPS46198  Collomia tracyi Duncan Dunning 1923-6-12 Siskiyou Sawyers Bar Comment
  UC1408894  Collomia tracyi F. W. Oettinger 1969-8-12 1337 Siskiyou along main North Fork Trail between Yellow Dog Creek and Abbott's Lower Cabin; Salmon Mountains Comment
  CAS-BOT-BC180420  Comandra umbellata subsp. californica Alice Eastwood 1923-5-20 11879 Siskiyou Shasta Springs Comment
  CAS-BOT-BC180422  Comandra umbellata subsp. californica A. A. Heller 1905-6-1 7937 Siskiyou Between Upper Soda Spring and Shasta Retreat Comment
  UCD77567  Corallorhiza maculata Robert E. Preston 2001-6-23 1549 Siskiyou Klamath National Forest, n slope of Rainbow Mtn. 1828 Comment
  HSC29151  Corallorhiza maculata Frederick W. Oettinger 1969-7-28 1090 Siskiyou Salmon Mountains, High Lake Basins, NNE of Pine Lake 2073 Comment
  RSA381987  Corallorhiza maculata M. B. Dunkle 1944-6-25 9013 Siskiyou Beaver Creek, Siskiyou National Forest, Sierra Nevada Comment
  SEINET10469999  Corallorhiza maculata Mary Susan Taylor 1980-7-8 Taylor 3106 Siskiyou T39N R5W ne sec 24, Dunsmuir quad; Shasta-Trinity Natl Forest; on NW side of Castle Lake, along edge of lake. 1615 Comment
  HSC491  Corallorhiza striata William J. Ferlatte 1967-6-29 580 Siskiyou Big Flat, near public camp 1524 Comment
  HSC101188  Cordylanthus tenuis subsp. tenuis Barbara L. Wilson, Richard E. Brainerd 2010-8-9 16282 Siskiyou Shasta-Trinity National Forest; road A10 between town of Mount Shasta and Panther Meadow, on the mountain. 1345 Comment
  SD129738  Cordylanthus tenuis subsp. tenuis Barbara Ertter 1987-7-26 7325 Siskiyou 2.2 mi N of Scott Mt. summit on Hwy 3, at road junction dried vernal meadow W of road 1372 Comment
  HSC75389  Cordylanthus tenuis subsp. viscidus J. O. Sawyer, M. Mesler 1980-8-10 4027 Siskiyou S of Carmen Lake, ultramafics of Scott Mtn. 1829 Comment
  JEPS16357  Cordylanthus tenuis subsp. viscidus Peter H. Raven 1956-9-5 10469 Siskiyou North Fork of Sacramento River 1371 Comment
  JEPS77479  Cordylanthus tenuis subsp. viscidus L. R. Heckard 1978-9-7 4973 Siskiyou sw Weed (s of Edgewood, road below Stewart Springs) 975 Comment
  CAS-BOT-BC212271  Cornus glabrata Geo. D. Butler 1910-5-22 1385 Siskiyou Yreka Creek Comment
  CAS-BOT-BC212277  Cornus glabrata A. M. Vollmer; L. Beane 1951-6-2 45 Siskiyou Klamath River Highway, between U.S. 99 & Gottville Comment
  UC166604  Cornus glabrata Geo. D. Butler 1908-8-7 84 Siskiyou bank of Lake at head of W. Fork Woolly Creek Comment
  POM208404  Cornus glabrata L. C. Wheeler 1934-7-16 2909 Siskiyou Oak Knoll Ranger Station, on Klamath River. Mt. Diablo Mer. 671 Comment
  CAS-BOT-BC212060  Cornus nuttallii Alice Eastwood 1912-7-24 1385 Siskiyou Castella Comment
  CAS-BOT-BC212062  Cornus nuttallii Alice Eastwood 1912-9-4 2095 Siskiyou Sisson Comment
  RSA47649  Cornus nuttallii Roxana S. Ferris, Laura Lorraine, R. T. Ferris 1948-6-12 11748 Siskiyou French Creek logging road west of Callahan. 1067 Comment
  RSA397468  Cornus nuttallii M. B. Dunkle 1944-7-15 9107 Siskiyou Siskiyou National Forest. 1768 Comment
  CAS-BOT-BC210418  Cornus sericea Elmer I. Applegate 1923-9-7 3947 Siskiyou Doggett Creek, Klamath River Comment
  HSC19270  Cornus sericea subsp. sericea J. O. Sawyer 1968-7-10 500 Siskiyou Along S Sugar Creek. 1768 Comment
  UC375259  Corylus californica Geo. D. Butler 1909-3-21 564 Siskiyou near Oro Fino Comment
  RSA624391  Corylus cornuta var. californica L. C. Wheeler 1952-9-17 6935 Siskiyou [no locality information on the label for this specimen] Comment
  HSC25045  Crataegus douglasii J. O. Sawyer 1972-9-25 2470 Siskiyou Doe Flat E of Bear Basin Butte Comment
  HSC101768  Crataegus gaylussacia J. P. Smith, J. O. Sawyer 2011-9-6 13422 Siskiyou Along East Moffett Creek Road 983 Comment
  HSC60816  Crepis acuminata Ruby Van Deventer 1960-7-7 Siskiyou Bell Echo Camp in Youngs Valley Comment
  UCD130929  Crepis capillaris Robert E. Preston 1995-6-18 880 Siskiyou ca. 3 miles east-southeast of Hornbrook, adjacent to Ager Road. 701 Comment
  UC581287  Crepis occidentalis subsp. pumila G. L. Stebbins Jr. and E. B. Babcock 1936-6-11 1939 Siskiyou old river terrace about 8 mi s Yreka 1180 Comment
  CAS-BOT-BC290874  Crepis pleurocarpa Alice Eastwood 1923-5-23 11925 Siskiyou Near Cantara Comment
  CAS-BOT-BC290878  Crepis pleurocarpa Alice Eastwood 1921-7-24 10780 Siskiyou Castle Lake Comment
  CAS-BOT-BC58389  Crepis pleurocarpa R. C. Wenk 2005-7-15 224 Siskiyou Trinity Alps, above South Fork of the Salmon River, along the Yellow Rose Mine trail. 2133 Comment
  CDA4439  Crepis pleurocarpa Agricultural Commissioner Aug 1951 Siskiyou Macdoel. 0 Comment
  JEPS101150  Crepis pleurocarpa Dean W. Taylor 1996-6-19 15710 Siskiyou Lime Gulch; bordering Shasta Valley (about 15 miles south of Yreka) 1188 Comment
  UC1934614  Crepis pleurocarpa P. M. Peterson, J. M. Saarela & C. J. Sears 2006-8-9 19779 Siskiyou Pacific Crest Trail, above Taylor Lake, Russian Wilderness 653 Comment
  CHSC71280  Crocidium multicaule Vernon H. Oswald; Lowell Ahart 1998-6-11 9215 Siskiyou Butte Valley National Grassland near the juction of Meiss Lake-Sams Neck Rd. and Hwy. 97 ca. 5 mi north of Macdoel. 1295 Comment
  CDA40516  Cryptantha flaccida L. Ahart, John Dittes 2005-6-9 12022 Siskiyou About 350 yards east of where cattle water in the Shasta River, about 3/5 mil (air) south of Highway 99/97 Cutoff, about 2 1/2 miles (air) east-southeast of Grenada. Comment
  JEPS107383  Cryptantha flaccida Lowell Ahart, John Dittes 2005-6-10 12070 Siskiyou Rocky hillside north of the Shasta River, south of a poor dirt road, about 50 yards northwest of the pump house along the Shasta River, about 1.9 miles (air) south of Highway 99/97 Cutoff, about 6 miles (air) east-southeast of Grenada 776 Comment
  JEPS57184  Cryptantha sobolifera L. R. Heckard 1967-8-13 1690 Siskiyou s.-facing slope near summit Mt. Eddy 2712 Comment
  HSC27334  Cryptogramma acrostichoides J. P. Smith, J. O. Sawyer, Maralyn O'Meara 1972-7-3 5710 Siskiyou E slope of Kangaroo Mtn., above Toehead Lake. 1890 Comment
  HSC99674  Cryptogramma acrostichoides Al Hobart Jul 1964 Siskiyou FS Rd. 17N04, Doe Flat, Buck Lake 1535 Comment
  SD112358  Cryptogramma cascadensis Darley F. Howe 1948-8-14 3401 Siskiyou Mt. Shasta, Shasta National Forest 2440 Comment
  CAS-BOT-BC80553  Cupressus bakeri Oliver V. Matthews 1939-7-18 36 Siskiyou N.E. [Goose Nest] Goosenest Grove - [Goose Nest] Goosenest Region 1828 Comment
  NY16608  Cupressus bakeri C. B. Wolf 1934-10-8 6166 Siskiyou Modoc Lava Beds, 1 mile northeast of Timbered Crater on Old Stage Road from Dana to Little Hot Springs Valley 1219.2 Comment
  RSA256700  Cupressus bakeri J. P. Smith 1973-5-5 s.n. Siskiyou Trail to the Siskiyou cypress stand off the Cook and Green Pass road. Comment
  CAS-BOT-BC80551  Cupressus bakeri Oliver V. Matthews July 22 40 Siskiyou From north side of Lava Road to Timbered Crater 1219 Comment
  POM211465  Cuscuta approximata L. C. Wheeler 1934-9-22 3294 Siskiyou Walker, Klamath River, Siskiyou Mountains. (Mt Diablo Mer) 518 Comment
  UC1618394  Cuscuta occidentalis Barbara Ertter 1987-7-26 7326 Siskiyou 2.2 mi n of Scott Mountain (summit on Hwy 3, at road junction); summit on Hwy 3 1371 Comment
  HSC77760  Cuscuta suksdorfii L. P. Janeway 1983-8-16 547 Siskiyou Poker Flat 1524 Comment
  JEPS39359  Cynoglossum grande Geo. D. Butler 1909-4-15 594 Siskiyou Humbug Comment
  CDA5639  Cynoglossum officinale G. Deal 1967-6-13 Siskiyou 5 miles south of McCloud. 0 Comment
  CHSC63601  Cynoglossum officinale Vernon H. Oswald; Lowell Ahart 1994-8-10 6458 Siskiyou FS 40N39 at Stillwater Meadows on Bartle Creek, ca. 0.5 mi W of Harris Spring Rd. (FS15), ca. 4 mi (air) NNE of Bartle. In meadow border and roadsides. 1359 Comment
  OBI68614  Cynoglossum officinale T. C. Fuller 1968-8-1 17453 Siskiyou W side of rd to McCloud Reservoir, 0.3 mi S of McCloud Comment
  HSC103019  Cynosurus echinatus J. P. Smith 2014-6-6 13876 Siskiyou Along State Route 96 at the Portuguese Creek Access to the Klamath River 416 Comment
  HSC7266  Cyperus squarrosus C. B. Wolf 1927-8-26 993 Siskiyou Klamath River, 5 mi. below Hornbrook Comment
  JEPS64062  Cyperus squarrosus Geo. D. Butler 1909-9-12 867 Siskiyou Oro Fino Comment
  CAS-BOT-BC114108  Cyperus squarrosus Cyrus Guernsey Pringle 1881-8-16 s.n. Siskiyou Flora of the Pacific Slope. Comment
  SEINET8253671  Cypripedium californicum Frank Callahan 2007-7-5 Siskiyou Methodist Camp Meadows (south of) up Scott Camp Creek. Comment
  CDA42723  Cystopteris fragilis G. D. Barbe, J. T. Howell, T. C. Fuller 1980-5-2 2767 Siskiyou North side of road, 2 miles (3.2 km) east of Callahan, at Highway 3 bridge over East Fork Scott River. Comment
  HSC1032  Cystopteris fragilis R. C. Wunner 1965-6-20 231 Siskiyou Lava Beds N.M., entrance of Thunderbolt Cave 1463 Comment
  HSC90222  Cystopteris fragilis Michael P. Murray 1991-6-30 2 Siskiyou Marble Mtn. Wilderness Area, ridge between Kings Castle and jumpoff point 2134 Comment
  CAS-BOT-BC189811  Dactylis glomerata Melissa A. Berry 1957-7-2 s.n. Siskiyou Fay Lane, Scott Valley. 822 Comment
  CAS-BOT-BC192262  Danthonia californica Geo. D. Butler 1910-7-8 1660 Siskiyou Shackleford Creek 1219 Comment
  HSC103042  Danthonia californica J. P. Smith 2014-6-7 13900 Siskiyou Along Forest Service Road 40N08, just north of Big Carmen Lake 1699 Comment
  HSC19075  Danthonia unispicata J. O. Sawyer 1969-8-1 1635 Siskiyou SE facing slope above Duck Lake Creek 1951 Comment
  HSC19079  Danthonia unispicata J. O. Sawyer 1969-7-15 1114 Siskiyou Slopes S of Jackson Lake. 2287 Comment
  CHSC30181  Darlingtonia californica M. S. Taylor 1980-7-8 3102 Siskiyou On nw side of Castle Lake, along edge of lake, in ... Field redacted by CHSC, contact the data manager for more information 1615 Comment
  CHSC95121  Darlingtonia californica L. P. Janeway 2006-7-4 8780 Siskiyou Klamath Ranges. Scott Mountains; Darlingtonia fe ... Field redacted by CHSC, contact the data manager for more information 1728 Comment
  UC30134  Darlingtonia californica W. C. Blasdale July, 1899 1074 Siskiyou Siskiyou Mts. Comment
  UC63716  Darlingtonia californica H. M. Hall and E. B. Babcock June, 1903 4042 Siskiyou near Sisson (18th Crossing, Sacramento River); Mount Shasta 1036 Comment
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Nov 6 2019
  RSA239008  Datisca glomerata Frederick W. Oettinger 1966-7-25 39 Siskiyou Along Black Gulch Road roadside; Salmon River District; Klamath N.F.; Cecilville. Comment
  RSA276116  Datisca glomerata Frederick W. Oettinger 1969-7-6 933 Siskiyou Up the N fork of the Salmon River 0.2 miles from the bridge in Forks of Salmon. On S side of R nearly directly across from metal erosion. Supporter along Fk of Salmon-Sawyers's Bar rd. Comment
  CDA5359  Daucus carota T. C. Fuller 1959-7-8 6042 Siskiyou 0.6 mile west of Ainsworth Corners. 0 Comment
  CDA5364  Daucus carota T. C. Fuller 1959-7-8 6042 Siskiyou 0.6 mile west of Ainsworth Corners. 0 Comment
  RSA59807  Delphinium andersonii E. K. Balls 1950-5-17 14724 Siskiyou New Lava Flow, on road from Schonchin Butte to Campt. Jack's Stronghold, Lava Bed National. 1494 Comment
  CAS-BOT-BC9564  Delphinium antoninum J. H. Thomas 1954-5-13 4150 Siskiyou Salmon Mountains, Klamath National Forest. Near South Fork of Salmon River, 5 to 9 miles southeast of Cecilville 1127 Comment
  JEPS80529  Delphinium decorum subsp. tracyi Gilbert Muth 1966-7-17 407 Siskiyou Trail to Lookout, Marble Mt. Wilderness Area 1859 Comment
  HSC36435  Delphinium depauperatum J. P. Smith 1974-5-26 7579 Siskiyou Along FS Rd. 47N03, 1/4 mi. NE of Chandler Glade 1768 Comment
  JEPS24033  Delphinium glaucum Rimo Bacigalupi with Drs. Reino and Aloha Alava 1958-9-3 6897 Siskiyou Poker Flat Siskiyou Mountains 1536 Comment
  SBBG27184  Delphinium nudicaule L. C. Wheeler 1935-5-26 3532 Siskiyou Yreka Crk 914 Comment
  CHSC9497  Delphinium nuttallianum J. F. Goodwin 1971-7-3 146 Siskiyou Southeast side of Castle Lake, 0.1 mi. south on Lookout Trail on east side of trail; 9.2 mi. sw of Mt. Shasta City. 1676 Comment
  HSC41688  Delphinium nuttallianum J. P. Smith 1976-5-5 8704 Siskiyou Road between Forks of Salmon and Somes Bar. 366 Comment
  HSC19082  Delphinium nuttallianum J. O. Sawyer 1969-7-11 1320 Siskiyou Slope above S Fork of Sugar Creek 1982 Comment
  HSC39751  Delphinium nuttallianum J. O. Sawyer 1970-4-4 2081 Siskiyou Along Sugar Creek 823 Comment
  CAS-BOT-BC192463  Deschampsia cespitosa subsp. cespitosa Arthur Menzies 1962-7-21 s.n. Siskiyou Morgan Meadows, base of Mt. Eddy 1706 Comment
  RSA415968  Deschampsia cespitosa subsp. cespitosa M. B. Dunkle 1945-7-24 9265 Siskiyou Klamath National Forest, Marble Mts. Comment
  POM365038  Deschampsia danthonioides M. B. Dunkle 9352 Siskiyou Klamath Nat'l Forest. Marble Mts. 1982 Comment
  HSC26620  Deschampsia elongata J. P. Smith, Steve Selva 1970-6-16 4049 Siskiyou 7 mi. W of Etna on road to Sawyers Bar. 1280 Comment
  HSC39862  Deschampsia elongata J. P. Smith, Steve Selva 1970-7-15 4368 Siskiyou 2 mi. below the Baldy Mt. Lookout Station. Comment
  UCD63427  Deschampsia elongata A. A. Heller 1915-7-18 12134 Siskiyou Metcalf's ranch, base of Mt. Eddy. Comment
  UCD63529  Deschampsia elongata Rimo Bacigalupi; Mr. and Mrs. Van Deventer of Fort Dick 1959-7-10 7298 Siskiyou Twin Valley, Siskiyou Mts., just east of Del Norte County line, about 4 miles NNE of Preston Peak; watershed of Indian Creek. 1493 Comment
  UCD63530  Deschampsia elongata Beecher Crampton 1956-8-21 3812 Siskiyou Headwater of the south fork of the Sacramento River, ca. 15-16 miles southwest of Mt. Shasta City, around Gumboot Lake. 1920 Comment
  JEPS107384  Descurainia incisa subsp. filipes Lowell Ahart, John Dittes 2005-6-10 12062 Siskiyou Near a poor dirt road, about 80 yards north of the pump house along the Shasta River, about 1.9 miles (air) south of Highway 99/97 Cutoff, about 6 miles (air) east-southeast of Grenada 776 Comment
  CHSC93525  Descurainia sophia Lowell Ahart; John Dittes 2005-6-9 12054 Siskiyou Meadow area along a small drainage, along the sides of a poor rock fence, about 300 yards east of where cattle water in the Shasta River, about 3/5 mile (air) south of Highway 99/97 Cutoff, about 2 1/2 miles (air) east-southeast of Grenada. 774 Comment
  RSA715489  Descurainia sophia L. Ahart, John Dittes 2005-6-9 12054 Siskiyou On the east side of a poor rock fence, about 350 yards E of where cattle water in the Shasta River, about 3/5 mile (air) south of Highway 99/97 Cutoff, about 2.5 miles (air) ESE of Grenada. 775 Comment
  CAS-BOT-BC43517  Descurainia sophia A. A. Heller 1916-6-22 12425 Siskiyou Near Sisson. 1074 Comment
  CAS-BOT-BC402473  Dicentra formosa subsp. formosa Lewis S. Rose 1925-7-27 s.n. Siskiyou Shasta Springs Comment
  CAS-BOT-BC402481  Dicentra formosa subsp. formosa A. A. Heller 1905-6-13 8021 Siskiyou Near Shasta Springs Comment
  CHSC639  Dicentra pauciflora M. Yoder 1941-7-6 Siskiyou Castle Lake. 1981 Comment
  JEPS82679  Dicentra pauciflora Wayne Roderick 1984-6-5 Siskiyou ca 12 air km sw Mt. Shasta City (above Castle Lake, on up and clear down to the lake) 1981 Comment
  CAS-BOT-BC402547  Dicentra pauciflora Ira L. Wiggins 1950-5-28 12394 Siskiyou .3 mile west of Carmen Lake 1706 Comment
  UC3328  Dichelostemma multiflorum Mrs. Palmer 1898-4-21 Siskiyou Shasta Comment
  UC765914  Dichelostemma multiflorum unknown 1940-6-7 15093 Siskiyou between Mount Shasta City and Black Butte (along the Pacific Coast Highway (U.S. Hwy 99)) Comment
  CAS-BOT-BC501000  Dichelostemma multiflorum A. A. Heller 1905-6-1 7942 Siskiyou Between Upper Soda Spring and Shasta Retreat Comment
  CAS-BOT-BC502676  Dichelostemma multiflorum A. A. Heller 1919-6-27 7942 Siskiyou Metcalf's ranch, northeast base of Mt. Eddy 1158 Comment
  CAS-BOT-BC291004  Dieteria canescens var. shastensis Robert F. Thorne; Fred Oettinger 1969-8-10 39003 Siskiyou Mt. Shasta National Forest: S slope of Mt. Shasta 2438 Comment
  CAS-BOT-BC291008  Dieteria canescens var. shastensis L. E. Smith 1915-8-1 s.n. Siskiyou Bray Comment
  CAS-BOT-BC291024  Dieteria canescens var. shastensis Geo. D. Butler 1910-9-11 1869 Siskiyou Weed Comment
  UC75817  Dieteria canescens var. shastensis Milo S. Baker 1898-8-1 474 Siskiyou Medicine Lake Comment
  HSC103635  Dieteria canescens var. shastensis Thomas W. Nelson, Jane Nelson 1983-8-12 7591 Siskiyou Along Forest Service Rd. 40N08, ~ 1 mi. from junction with State Route 3 at Scott Mountain summit 1646 Comment
  CDA15523  Digitalis purpurea G. F. Hrusa 1998-7-5 14691 Siskiyou Siskiyou Mountains; Cedar Camp Rd. +- 5 mi. E of Weitchpec on Hwy 96. N side of Hwy. at mile 5.x. Sheet 1 of 2 Comment
  SBBG16031  Diplacus jepsonii D. Myrick 1961-6-22 318 Siskiyou St Hwy 89 near McCloud 914 Comment
  CAS-BOT-BC153721  Diplacus nanus Elmer I. Applegate 1935-6-11 9496 Siskiyou Upper Ice Cave area, Lava Beds National Monument Comment
  CAS-BOT-BC153727  Diplacus nanus C. L. Hitchcock; J. S. Martin 1939-7-9 5318 Siskiyou Between King's Castle and Black Mt., west side of ridge 1828 Comment
  UC1409478  Dodecatheon alpinum Frederick W. Oettinger 1969-7-10 965 Siskiyou high lake basins in the vicinity English Peak (sw side of Upper English Lake); Marble Mountain Wilderness Area, Salmon Mountains 1767 Comment
  HSC96876  Dodecatheon jeffreyi Gordon Leppig 1998-7-10 918 Siskiyou Russian Wilderness, Little Duck Lake Fen, cirque W of Little Duck Lake 2200 Comment
  RSA238722  Dodecatheon jeffreyi Frederick W. Oettinger 1969-7-17 1051 Siskiyou Along inlet stream on SW side of Upper English Lakw. Wet bereal meadow. Red Fir Forest. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1768 Comment
  UC1409474  Dodecatheon jeffreyi Frederick W. Oettinger 1968-8-3 380 Siskiyou at Base Camp Meadow between Diamond and Hancock Lakes (High Lake Basins in vicinity English Peak, Marble Mountain Wilderness Area, Salmon Mountains, Western Siskiyou County); Marble Mountain Wilderness Area, Salmon Mountains 2011 Comment
  SEINET8563813  Dodecatheon redolens G. D. Butler 1910-6-5 1522 Siskiyou Loy Lake, Shackleford Creek Comment
  CDA42337  Downingia bacigalupii Ed Hale 1986-7-15 s.n. Siskiyou Intersection of 97 and road to Tenant. 0 Comment
  JEPS94785  Downingia pulcherrima Vernon H. Oswald and Lowell Ahart 1998-7-21 9356 Siskiyou e of Grass Lake (ne of Weed and w of Bray on Old State Highway 0.8 mi e of Tennant Road); Old State Highway 1417 Comment
  UC1244079  Downingia pulcherrima John Weiler and A. P. Nelson 1960-6-25 60207 Siskiyou 2.3 mi nw Weed (at the side of Highway 99) Comment
  HSC90894  Draba carnosula Jennifer Whipple 1976-7-1 1233 Siskiyou Near Little Crater Lake 2195 Comment
  HSC57402  Draba howellii G. L. Clifton, Terry Griswold 1979-7-26 10151 Siskiyou Near Salmon Mtn., close to the town of Forks of Salmon 2104 Comment
  CAS-BOT-BC41315  Draba pterosperma D. M. Traugh 1933-8-6 9 Siskiyou Klamath Forest. Marble Valley. 1981 Comment
  UCD115549  Draba pterosperma Jack Major; M. Fleschner, R. Pemble 1966-9-4 s.n. Siskiyou NE-face of Marble Mountain, Marble Mountains. 2133 Comment
  RSA237377  Draba pterosperma Frederick W. Oettinger 1968-8-22 601 Siskiyou Above English Lake to Diamond Lake trail on English Lake side of pass. Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2098 Comment
  UC1040750  Draperia systyla B. Crampton 1956-8-21 3839 Siskiyou Lower slope of White Ridge, canyon of the South Fork of the Sacramento River 1371 Comment
  RSA0011654  Drosera anglica D. V. Hemphill 1972-8-9 s.n. Siskiyou Isinglass Lake. 1982 Comment
  RSA0011660  Drosera rotundifolia Frederick W. Oettinger 1969-7-31 1113 Siskiyou West above English Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1829 Comment
  UC73027  Drymocallis lactea var. austiniae Milo S. Baker Aug. 1897 Siskiyou Mt. w Medicine Lake (near to); Mt. West of Medicine Lake 3048 Comment
  UC1265386  Eleocharis bella Frederick W. Oettinger 1969-8-15 1387 Siskiyou vicinity of English Peak (inlet to Upper English Lake); Salmon Mountains, Western Siskiyou County, Marble Mountain W 1767 Comment
  JEPS121618  Eleocharis decumbens Kendra Sikes 2011-9-12 Siskiyou Sundew Fen, Caldwell Lakes Basin, headwaters of Park Creek, east slope of China Mountain. Sloping fen, SE aspect, over gabbro. China Mountain quadrangle. CLS_1A Comment
  JEPS125883  Eleocharis engelmannii Dean W. Taylor 1996-7-27 15865 Siskiyou Klamath National Forest; Grass Lake, about 15 air miles NE of Weed. Comment
  CHSC88377  Eleocharis macrostachya Jenny Marr 1993-7-1 183 Siskiyou Butte Valley Wildlife Area, +/- 7 air miles NW of the town of MacDoel. Meadow NW of Meiss Lake. 1349 Comment
  HSC45949  Eleocharis parishii J. P. Smith, Steve Selva 1970-6-15 3917 Siskiyou 10 mi. NW of Forks of Salmon Comment
  RSA577441  Eleocharis parishii L. C. Wheeler 1934-6-3 2628 Siskiyou Cherry Flat, Klamath River; Siskiyou Mts. 518 Comment
  RSA0037180  Eleocharis rostellata Lowell A. Ahart, John Dittes 2010-7-30 16946 Siskiyou About 5 yards south of the Shasta River, about 40 yards east of the East Louie Road Bridge, Shasta Big Springs Ranch, 1.6 miles (air) southwest of Big Springs Lake, 4.6 miles (air) northwest of Dwinnel Dam, 5.7 miles (air) southeast of Grenada. 716 Comment
  CAS-BOT-BC227919  Elymus elymoides Elmer I. Applegate 1923-8-18 3862 Siskiyou Top of Redshale Mountain, Medicine Lake region 2438 Comment
  UC53735  Elymus elymoides subsp. elymoides W. L. Jepson 1895-1 Siskiyou Shasta Comment
  HSC48278  Elymus glaucus Ken Stillman, J. O. Sawyer 1978-7-6 1035 Siskiyou Along Happy Camp-O'Brien Rd. above Louse Creek Comment
  HSC69221  Elymus glaucus Maralyn A. Renner 1980-8-31 2623 Siskiyou Twin Valley. 1494 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-BC206614  Elymus glaucus subsp. glaucus Alice Eastwood 1912-7-15 1100 Siskiyou McCloud Comment
  UC197108  Elymus glaucus subsp. jepsonii Geo. D. Butler 1908-7-20 466 Siskiyou Humbug Creek Comment
  HSC101472  Elymus lanceolatus subsp. lanceolatus J. P. Smith, J. O. Sawyer, R. J. Cole 2010-7-11 12996 Siskiyou Gazelle-Callahan Road. 1233 Comment
  CAS-BOT-BC235221  Elymus multisetus Gilbert Muth 1966-7-17 410 Siskiyou Near Lookout, Marble Mts. 2057 Comment
  HSC38842  Elymus multisetus J. P. Smith, Steve Selva 1970-6-15 3949 Siskiyou Road between Forks of Salmon and Cecilville. 579 Comment
  UCD62613  Elymus stebbinsii subsp. septentrionalis A. A. Beetle; G. L. Stebbins Jr. 1942-5-31 3406 Siskiyou Canyon N of Willow Creek, 5 miles W of Gazelle. Comment
  JEPS89972  Epilobium anagallidifolium Dean W. Taylor 1975-8-14 5453 Siskiyou between Shasta Ski area and Green Butte (Mt. Shasta); Mt. Shasta 2590 Comment
  RSA105333  Epilobium angustifolium subsp. circumvagum Douglas Barbe 1955-7-5 105 Siskiyou 5 miles north of Etna on Greenview Road; east side of road 884 Comment
  POM37890  Epilobium brachycarpum Edward Palmer 1892-7-13 2433 Siskiyou Mt. Shasta and vicinity. 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
  UC642587  Epilobium ciliatum subsp. glandulosum W. Bridge Cooke 1939-7-21 13718 Siskiyou meadow at Bear Springs Mount Shasta Comment
  POM258979  Epilobium ciliatum subsp. glandulosum W. Bridge Cooke 1940-8-2 15394 Siskiyou Bear Springs, Mount Shasta 1524 Comment
  POM32618  Epilobium ciliatum subsp. glandulosum E. B. Copeland 1903-8-13 3723 Siskiyou Sisson. 1067 Comment
  UC618829  Epilobium clavatum W. Bridge Cooke 1938-8-18 11479 Siskiyou along Summit Trail above Horse Camp; Mount Shasta, Horse Camp Springs 2514 Comment
  UC164046  Epilobium densiflorum Geo. D. Butler 1910-6-29 1614 Siskiyou Yreka Creek Comment
  HSC19493  Epilobium hornemannii subsp. hornemannii J. O. Sawyer 1969-7-18 1402 Siskiyou SW facing slope above S Russian Creek. 1905 Comment
  RSA598062  Epilobium lactiflorum Louis C. Wheeler 1963-8-31 8325 Siskiyou Siskiyou Mountains. Devil's Punch Bowl off Clear Creek. 1524 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
  HSC69291  Epilobium minutum Maralyn A. Renner 1980-7-24 1946 Siskiyou Pacific Crest Trail above Lily Pad Lake. 1799 Comment
  HSC76708  Epilobium minutum K. T. Stillman 1976-7-14 227 Siskiyou Marble Mtn. Wilderness Area, Kings Castle 2073 Comment
  JEPS39209  Epilobium minutum Geo. D. Butler 1909-4-26 612 Siskiyou Oro Fino Comment
  HSC86524  Epilobium oreganum D. K. Imper 1987-7-23 Siskiyou 8 mi. E of Somes Bar 1372 Comment
  HSC216  Epilobium siskiyouense William J. Ferlatte 1966-8-4 303 Siskiyou Dorleska summit 2134 Comment
  POM230321  Epilobium siskiyouense J. T. Howell 1937-7-29 s.n. Siskiyou Scott Mountain between Trinity and Siskiyou counties. Comment
  CAS-BOT-BC56953  Equisetum arvense Barbe 1957-7-13 373 Siskiyou Big Flat Public Camp, Klamath National Forest 1524 Comment
  SEINET3864901 Image available Equisetum arvense Edward L. Smith 1967-5-22 s.n. Siskiyou By railroad tracks. City of Mt. Shasta.; 0 1085 Comment
  UC399180  Equisetum hyemale subsp. affine Geo. D. Butler 1909-6-22 877 Siskiyou Goosenest foothills Comment
  CAS-BOT-BC57806  Equisetum laevigatum J. H. Thomas 1949-6-16 941 Siskiyou 10 mi. n. of Gazelle. Comment
  HSC36752  Equisetum telmateia subsp. braunii Brent Whiteley 1975-6-23 42 Siskiyou 223 Comment
  SD10034  Equisetum telmateia subsp. braunii Eleanor C. Layman 1933-9-3 Siskiyou Shasta Springs Comment
  UCD63091  Eragrostis curvula Beecher Crampton 1969-6-19 8465 Siskiyou 3 miles south of Yreka, Interstate Hwy. 5 Southbound. Comment
  CAS-BOT-BC213570  Eragrostis hypnoides Carl B. Wolf 1927-8-26 1086 Siskiyou On the Klamath River, 14 mi. above Happy Camp Comment
  HSC81999  Eremogone congesta var. congesta Thomas W. Nelson, Jane P. Nelson 1979-6-16 4854 Siskiyou Along Hwy. 3, 3.1 mi. N of Scott Mtn. Summit 1280 Comment
  HSC29467  Eremogone congesta var. congesta Frederick W. Oettinger 1969-8-4 395 Siskiyou Marble Mtn. Wilderness Area, trail break on Crapo Peak ridge 2195 Comment
  HSC29469  Eremogone congesta var. congesta Frederick W. Oettinger 1969-9-3 1621 Siskiyou Marble Mtn. Wilderness Area, N side of Crapo ridge by trail crossing 2134 Comment
  CAS-BOT-BC286693  Ericameria bloomeri Wm. Bridge Cooke 1938-9-17 11687 Siskiyou Mount Shasta. Horse Camp Comment
  CHSC30403  Ericameria bloomeri A. W. Ratcliff 1979-8-2 Siskiyou Shasta-Trinity National Forest. Bear Springs. 1536 Comment
  JEPS81785  Ericameria bloomeri Rimo Bacigalupi with Drs. Reino and Aloha Alava 1958-9-1 6779 Siskiyou near beginning of road to Wagon Camp (just off Everitt Memorial Highway, lower slopes of Mt. Shasta); Mt. Shasta 1737 Comment
  RSA14486  Ericameria bloomeri Elmer I. Applegate 1923-8-20 3899 Siskiyou Medicine Lake 1982 Comment
  UC1034045  Ericameria bloomeri W. B. Cooke 1941-8-21 16215 Siskiyou on the n side Diller Canyon (at timberline on the w side of Shastina); Mt. Shasta, Shastina, Diller Canyon 2438 Comment
  UC1178568  Ericameria bloomeri Peter Kamb 1949-8-25 1484 Siskiyou sw slope of mtn above Horse Camp; Mt. Shasta 2468 Comment
  CAS-BOT-BC287497  Ericameria greenei Louis C. Wheeler 1934-8-24 3220 Siskiyou Trapper Creek, Klamath Forest 1859 Comment
  HSC75372  Ericameria greenei J. O. Sawyer, M. Mesler 1980-8-10 4028 Siskiyou S of Carmen Lake, ultramafics of Scott Mtn. 1829 Comment
  LA203658  Ericameria greenei Louis Wheeler; 1934-8-24 3220 Siskiyou Siskiyou Mountains, Trapper Creek 1859 Comment
  UC894742  Ericameria nauseosa var. oreophila A. A. Heller 1917-9-7 12978 Siskiyou 2 mi s of Grenada; Shasta Valley 914 Comment
  CAS-BOT-BC298249  Ericameria nauseosa var. oreophila A. A. Heller 1917-9-7 12978 Siskiyou Shasta Valley 2 miles S of Grenada 914 Comment
  UC134757  Ericameria nauseosa var. speciosa E. B. Copeland 1903-10-10 3785 Siskiyou Pacific Coast, Mt. Eddy 2225 Comment
  CAS-BOT-BC294402  Ericameria parryi var. latior Alice Eastwood 1912-8-30 2079 Siskiyou Mount Eddy Comment
  HSC29242  Erigeron aliceae Frederick W. Oettinger, R. F. Thorne 1969-8-4 1185 Siskiyou Marble Mtn. Wilderness Area, N of Tobacco Lake 1890 Comment
  HSC68172  Erigeron aliceae J. P. Smith, J. O. Sawyer, Maralyn O'Meara 1972-7-3 5714 Siskiyou E slope of Kangaroo Mtn., above Toehead Lake. 1890 Comment
  UCR266169  Erigeron aliceae David J. Keil, Kathleen Keil 1990-7-28 s.n. Siskiyou Marble Mountains, Klamath National Forest, Rye Patch Creek Trail 1700 Comment
  RSA184709  Erigeron aliceae Gilbert Muth 1966-7-24 446 Siskiyou Marble Valley Meadow, Marble Mts. 1793 Comment
  UCR51769  Erigeron breweri var. klamathensis L. C. Wheeler 1934-8-6 03055 Siskiyou Klamath Ranges; Siskiyou Mountains, Rock 'Gulch' [Creek] off Jaynes Canyon 1829 Comment
  CAS-BOT-BC294899  Erigeron cervinus K. T. Stillman 1976-7-31 354 Siskiyou Marble Mountain Wilderness Area. Ridge north of Jump off Comment
  HSC77104  Erigeron cervinus K. T. Stillman 1976-7-31 354 Siskiyou Marble Mtn. Wilderness Area: Ridge N of jump off Comment
  JEPS101163  Erigeron compositus Dean W. Taylor 1996-6-19 15708 Siskiyou Lime Gulch; bordering Shasta Valley (about 15 miles south of Yreka) 1188 Comment
  UC895812  Erigeron filifolius Alice Eastwood 1912-7-19 1223 Siskiyou Mount Shasta Comment
  CAS-BOT-BC300472  Erigeron filifolius Edwin B. Copeland 1903-9-8 s.n. Siskiyou Foot of Mt. Eddy 1219 Comment
  JEPS84322  Erigeron glacialis var. glacialis L. R. Heckard with J. Hickman et al. 1986-7-17 6475 Siskiyou trail up Kangaroo Peak (s of Lily Pad Lake, ca 5 mi n of town of Seiad Valley, in a n-facing cirque) 1800 Comment
  JEPS41443  Erigeron inornatus var. inornatus W. L. Jepson 1940-7-1 20076 Siskiyou 6 mi e McCloud; Fowlers Camp, McCloud River 975 Comment
  SEINET5708481 Image available Erigeron inornatus var. inornatus Lowell E. Urbatsch, Vesna Karaman, Castro 2000-1 7702 Siskiyou Scott Mtns. Collected along Road 17, 11.8 mi SW from the intersection of I-5 and Stewart Spring Rd.; Scott Mountains 1955 Comment
  RSA238778  Erigeron inornatus var. inornatus Frederick W. Oettinger, R. F. Thorne 1969-8-5 1197 Siskiyou Along the trail above 'Willow Springs' (between Abbotts Upper Cabin and English Lake) 1677 Comment
  CAS-BOT-BC33500  Erigeron petrophilus var. viscidulus Edwin Bingham Copeland 1903-8-17 s.n. Siskiyou Mt. Eddy 1402 Comment
  HSC92776  Erigeron petrophilus var. viscidulus Jennifer Whipple 1977-8-4 2155 Siskiyou Wagon Creek drainage on the E face of Mount Eddy 2226 Comment
  RSA0030732  Erigeron petrophilus var. viscidulus L. C. Wheeler 1934-8-14 3140 Siskiyou Siskiyou Mountains: Western end of White Mt. 1768 Comment
  RSA715773  Erigeron philadelphicus L. Ahart, John Dittes 2005-6-10 12082 Siskiyou South edge of a water ditch, pipe discharge, irrigated pasture, about 90 yards east of the pump house along the Shasta River, about 1.9 air miles S of Highway 99/97 cutoff, about 6 air miles ESE of Grenada 777 Comment
  CAS-BOT-BC250064  Eriogonum compositum var. compositum John Thomas Howell 1937-7-26 13548 Siskiyou Caribou Gulch Comment
  CAS-BOT-BC250068  Eriogonum compositum var. compositum Lewis S. Rose 1945-6-23 45179 Siskiyou Junction of Shasta River & Klamath River 624 Comment
  HSC46891  Eriogonum compositum var. compositum William J. Ferlatte 1974-7-13 1516 Siskiyou Canyon of the S Fork of Salmon River near falls 436 Comment
  POM104935  Eriogonum compositum var. compositum Geo. D. Butler 1910-5-21 1378 Siskiyou Klamath hills Comment
  CHSC99723  Eriogonum diclinum L. P. Janeway 2008-7-24 9479 B Siskiyou Klamath Ranges. Siskiyou Mountains; crest of the mountain 2.1 air km northeast of Condrey Mountain. 2115 Comment
  HSC23647  Eriogonum diclinum J. O. Sawyer 1969-7-2 1028 Siskiyou SW facing upper slope above Music Lake 2378 Comment
  UC609321  Eriogonum elatum Eleanor Burks Hart 1938-8-15 926 Siskiyou n side of Upper Wright Lake Upper Wright Lake 2225 Comment
  CHSC71591  Eriogonum elatum var. villosum Vernon H. Oswald; Lowell Ahart 1998-8-3 9409 B Siskiyou USFS 41N03 1.0 mi east of its junction with Gazelle-Callahan Rd. 11.5 mi west of Gazelle. 1524 Comment
  CHSC1337  Eriogonum lobbii V. Holt 1942-8-6 Siskiyou Caribou Ridge. 2438 Comment
  UC1408822  Eriogonum lobbii var. lobbii Frederick W. Oettinger 1968-8-5 407 Siskiyou ridge between English Peak Diamond Lake; Salmon Mountains, Marble Mountains Wilderness Area, High Lak 2072 Comment
  RSA233650  Eriogonum maculatum Robert F. Thorne 1969-8-10 38985 Siskiyou Mount Shasta National Forest; south slope of Mt. Shasta at base of boulders. 2378 Comment
  JEPS56733  Eriogonum marifolium W. L. Jepson 1940-6-28 20064 Siskiyou McCloud 975 Comment
  JEPS87645  Eriogonum marifolium Vernon H. Oswald and Lowell Ahart 1994-8-10 6456 Siskiyou FS 41N01Y ca 1 mi n Pilgrim Creek Rd (FS 13) (ca 11 air mi ne of McCloud); Elk Flat 1243 Comment
  SEINET530687  Eriogonum marifolium Paul Opler 2008-7-8 Siskiyou Mt. Shaster, Panther Meadows. 2438 Comment
  UCD100380  Eriogonum marifolium Beecher Crampton 1956-8-22 3865 Siskiyou Wagon Camp Road, south slope of Mt. Shasta. 1828 Comment
  CAS-BOT-BC263180  Eriogonum marifolium var. cupulatum Wm. Bridge Cooke 1938-8-21 11543 Siskiyou Mount Shasta. Horse Camp Flats Comment
  CHSC63610  Eriogonum marifolium var. cupulatum Vernon H. Oswald; Lowell Ahart 1994-8-10 6456 Siskiyou FS 41N01Y at Elk Flat, ca. 1 mi N of Pilgrim Creek Rd. (FS13), ca. 11 mi (air) NE of McCloud. In a meadow. 1243 Comment
  CAS-BOT-BC261620  Eriogonum nudum var. nudum R. Tofsrud; J. M. Tucker 1948-8-2 1753 Siskiyou Outskirts of McCloud Comment
  CAS-BOT-BC261622  Eriogonum nudum var. nudum A. A. Heller 1915-8-26 12246 Siskiyou Wagon Creek at the foot of Mt. Eddy 1127 Comment
  CHSC99701  Eriogonum nudum var. nudum L. P. Janeway 2008-7-24 9490 Siskiyou Klamath Ranges. Siskiyou Mountains; crest of the mountain 1.3 air km east of Condrey Mountain. Open ridgetop. 2050 Comment
  JEPS56652  Eriogonum nudum var. nudum W. L. Jepson 1914-8-13 5788 Siskiyou Lessin 1097 Comment
  RSA215592  Eriogonum nudum var. nudum Gilbert Muth 1969-8-8 1301 Siskiyou Boulder Peak Ridge Gap 2287 Comment
  CAS-BOT-BC272499  Eriogonum nudum var. pubiflorum Elmer I. Applegate 1935-6-11 9501 Siskiyou Upper Ice Cave area, Lava Beds National Monument Comment
  CAS-BOT-BC272500  Eriogonum nudum var. pubiflorum Reed C. Rollins; T. S. Chambers 1938-8-14 2720 Siskiyou 3 miles south of Hornbrook 914 Comment
  HSC43015  Eriogonum nudum var. pubiflorum J. P. Smith 1973-5-5 6440 Siskiyou Trail to the Siskiyou cypress stand, off the Cook and Green Pass Rd. Comment
  UCR31684  Eriogonum nudum var. pubiflorum John C. Roos 1948-9-2 3976 Siskiyou Fort Jones 915 Comment
  UCR93353  Eriogonum nudum var. pubiflorum Kathy Harper, Dane Karr 1994-6-16 s.n. Siskiyou Modoc National Forest, Forest Road 49 (Lava Beds/Medicine Lake Road), c. 1 mi north of southern boundary of Lava Beds National Monument 1402 Comment
  CAS-BOT-BC105071  Eriogonum pyrolifolium R. C. Wenk 2008-7-24 911 Siskiyou SW side of Mount Shasta, Panther Meadow. Rocky area between wet boggy meadow, Phyllodoce heath, and red fir forest 2255 Comment
  SEINET10733992  Eriogonum pyrolifolium Andrew Townesmith, Karen M. Meyer 2007-7-30 Townesmith 866 Siskiyou Shasta-Trinity National Forest. At the upper end of county road A10, mile 13.8 (from beginning of road in Mount Shasta City, 12.7 miles from National Forest boundary sign). Highest vehicle accessible point on Mount Shasta. T41N R3W S33 NW 1/4. 2399 Comment
  SD76169  Eriogonum pyrolifolium var. pyrolifolium Helen V. Witham 1969-10-9 605 Siskiyou Mt. Shasta, in scree at timberline 2400 Comment
  UC637180  Eriogonum roseum Edward Lee 1934-8-11 1040 Siskiyou e mouth of Walker Creek (a tributary of the Klamath River) (e end of Seiad Valley); Seiad Valley 441 Comment
  UC1475702  Eriogonum siskiyouense Clifton and Ground 1978-7-2 1752 Siskiyou near Hayden Cabin (close to town of Callahan); China Mt. Quadrangle 1738 Comment
  RSA93409  Eriogonum spergulinum var. reddingianum M. S. Baker, H. K. Wagnon 1953-7-11 12831 Siskiyou 1.9 mi. above Whitlock Camp in open forest. 1372 Comment
  UCD101243  Eriogonum spergulinum var. reddingianum W. Bridge Cooke 1954-7-5 s.n. Siskiyou Military Pass Road, Mt. Shasta. 1828 Comment
  RSA126712  Eriogonum sphaerocephalum Peter H. Raven 1956-9-4 10403 Siskiyou Rocky slope, south side of Mount Eddy. 2561 Comment
  CAS-BOT-BC262726  Eriogonum sphaerocephalum var. halimioides L. E. Smith 1915-7-1 s.n. Siskiyou Yreka Comment
  CAS-BOT-BC262766  Eriogonum strictum var. anserinum Dorothy Parker 1967-6-20 s.n. Siskiyou Scott Valley 914 Comment
  CAS-BOT-BC263387  Eriogonum strictum var. proliferum Arthur Menzies 1962-7-21 s.n. Siskiyou Mt. Eddy 2529 Comment
  UC164295  Eriogonum strictum var. proliferum Geo. D. Butler 1910-5-27 1417 Siskiyou near Yreka Comment
  HSC69044  Eriogonum ternatum Maralyn A. Renner 1980-8-7 2347 Siskiyou Klamath National Forest, ridge just E of saddle, S of Rattlesnake Meadow 1799 Comment
  RSA0081457  Eriogonum ternatum L. R. Heckard, S. D'Alcamo, J. Hickman, S. Winchester 1986-7-16 6346 Siskiyou Ca. 7 miles NNE of Seiad Valley, SW of Cook and Green Pass, ca. 0.5 mile SE of red Butte. 1730 Comment
  RSA463120  Eriogonum umbellatum 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
  CAS-BOT-BC267932  Eriogonum umbellatum Alice Eastwood 1921-7-29 10989 Siskiyou Bear Spring on road to Medicine L. Comment
  UC1035862  Eriogonum umbellatum var. argus Annie M. Alexander and Louise Kellogg 1948-9-8 5601 Siskiyou top of grade between Sawyers Bar and Etna 1737 Comment
  UC718151  Eriogonum umbellatum var. argus Carl B. Wolf 1934-7-5 5966 Siskiyou 3.6 mi on road to Horse Creek Dry Lake Lookout; Siskiyou Mts. 1981 Comment
  RSA0066290  Eriogonum umbellatum var. argus William J. Ferlatte 1966-8-2 240 Siskiyou Trinity Alps: Big Flat; wooded area near public camp. 1524 Comment
  CAS-BOT-BC105077  Eriogonum umbellatum var. dumosum R. C. Wenk 2008-7-24 925 Siskiyou Kangaroo Lake, S of the Gazelle-Callahan Rd. Serpentine outcrop barrens above S side of lake, about halfway to top of 1889 Comment
  RSA165616  Eriogonum umbellatum var. nelsoniorum Clare B. Hardham 1961-6-30 7995 Siskiyou Near White Mt. Comment
  POM165414  Eriogonum umbellatum var. polyanthum E. B. Copeland 1903-7-6 3496 Siskiyou Hornbrook. Comment
  UC164458  Eriogonum vimineum Geo. D. Butler 1910-7-31 1806 Siskiyou Comment
  UCD101530  Eriogonum vimineum Robert E. Preston 1966-7-24 984 Siskiyou Shafter Campground. 1328 Comment
  HSC58860  Eriophorum crinigerum Marvin Butler 1971-7-8 69 Siskiyou Near Bell Echo Camp, close to the town of Cave Junction 1433 Comment
  HSC98412  Eriophorum crinigerum L. P. Janeway 1982-8-14 138 Siskiyou Elk Wallow 1677 Comment
  OBI53732  Eriophyllum lanatum David J. Keil 1992-7-19 23465 Siskiyou Klamath NF. Salmon Mtn Summit on Sawyers Bar Rd, SW of Etna 1816 Comment
  CAS-BOT-BC301126  Eriophyllum lanatum var. achilleoides David D. Keck 1953-7-31 6535 Siskiyou Deer Mountain Service Station, 3.5 mi. S. of Grass Lake Comment
  CAS-BOT-BC301139  Eriophyllum lanatum var. achilleoides Lincoln Constance 1933-7-6 E 120 Siskiyou 5 miles s. of Bray Comment
  UC163824  Eriophyllum lanatum var. achilleoides Geo. D. Butler 1910-6-7 1532 Siskiyou McAdams Creek Comment
  UC643286  Eriophyllum lanatum var. achilleoides W. Bridge Cooke 1940-6-4 15027 Siskiyou between US97 and Bolam Station (along an old logging road on the n side of the mountain); Mount Shasta 1219 Comment
  CAS-BOT-BC301099  Eriophyllum lanatum var. achilleoides L. E. Smith 1913-5-12 262 Siskiyou Edgewood Comment
  CAS-BOT-BC301106  Eriophyllum lanatum var. achilleoides Doris K. Kildale; J. W. Gillespie 1929-6-22 8031 Siskiyou W. base of Black Butte, Mt. Shasta Comment
  RSA92292  Eriophyllum lanatum var. achilleoides F. W. Peirson 1923-7-19 3915 Siskiyou Open Tableland 17 miles north of Bray Comment
  UC1483521  Eriophyllum lanatum var. grandiflorum Maralyn A. Renner 1980-6-10 863 Siskiyou ridge 1 mi s of Greenhorn Road (1 mi e of Mill Creek); Yreka Quadrangle 1341 Comment
  HSC36774  Eriophyllum lanatum var. lanatum J. P. Smith 1974-5-25 7401 Siskiyou Along Rd. 8, 0.9 mi. from its junction with Hwy. 3 976 Comment
  HSC25459  Eriophyllum lanatum var. lanceolatum J. P. Smith, J. O. Sawyer, Maralyn O'Meara 1972-7-3 5654 Siskiyou Ridge E of Cook and Green Pass. 1524 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
  CHSC86455  Erodium cicutarium Jenny Marr 1993-7-1 72 Siskiyou Butte Valley Wildlife Area, +/- 7 air miles NW of the town of MacDoel. Meadow NE of Meiss Lake. 1349 Comment
  CAS-BOT-BC54589  Erysimum capitatum Carl B. Wolf 1927-8-27 1128 Siskiyou On the Klamath River, 7 miles below Happy Camp. Comment
  JEPS44103  Erysimum capitatum var. capitatum W. B. and V. G. Cooke 1965-7-9 35123 Siskiyou along Everett Memorial Hwy Mt. Shasta Comment
  SDSU10772  Erythranthe guttata D. F. Howe 1972-7-5 4872 Siskiyou 0.6 mile from Oregon State line on road to Happy Camp. 1707 Comment
  POM109641  Erythronium grandiflorum subsp. grandiflorum Geo D. Butler 1910-7-9 1715 Siskiyou Marble Mountain. 1829 Comment
  RSA184803  Erythronium grandiflorum subsp. grandiflorum Gilbert Muth 1966-7-8 350 Siskiyou Marble Valley Meadow, Marble Mountains. 1793 Comment
  RSA237912  Erythronium grandiflorum subsp. grandiflorum Frederick W. Oettinger 1967-7-20 175 Siskiyou SSE of Diamond Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2073 Comment
  SEINET10966318  Erythronium grandiflorum var. pallidum F. Marion Ownbey, Ruth P. Ownbey 1938-7-19 Ownbey 1753 Siskiyou Near melting snow, summit of the Siskiyou Mountains, 2 1/2 miles northwest of Dry Lake Lookout. Comment
  SEINET10528989  Erythronium grandiflorum var. parviflorum Harley P. Chandler Chandler 1619 Siskiyou Ridges and meadows near Marble Mountain. 2135 Comment
  CAS-BOT-BC133300  Erythronium hendersonii Elmer I. Applegate 1932-4-16 7063 Siskiyou Klamath River between Hamburg and Seiad Valley Comment
  JEPS50874  Erythronium klamathense Wayne Roderick 1963-6-10 Siskiyou along trail from Castle Lake to Little Castle Lake 1828 Comment
  SEINET3160625  Eschscholzia californica G. D. Butler 1910-5-7 1301 Siskiyou Yreka Comment
  NY1085467  Eschscholzia confinis C. F. Baker 1903-7-2 3532 Siskiyou Klamathon Comment
  HSC34267  Eucephalus ledophyllus var. ledophyllus J. P. Smith, J. O. Sawyer 1973-8-14 7318 Siskiyou W of Cliff Lake 1982 Comment
  CAS-BOT-BC310479  Eucephalus tomentellus A. A. Heller 1915-8-26 12242 Siskiyou Slope north side of Mt. Eddy 1767 Comment
  HSC42938  Euonymus occidentalis J. O. Sawyer, Ken Stillman 1976-7-1 2772 Siskiyou Streamside terraces and lower slopes along the Little N Fork of the Salmon River. 732 Comment
  SEINET10453752  Euphorbia crenulata Mary Merello 1993-6-25 Merello 720 Siskiyou Shasta National Forest. At end of Forest Service Road 39N 28, road to Lower Falls and Fowlers Campground. Open conifer woodlands. Disturbed. Along McCloud River. 970 Comment
  POM210925  Euphorbia lathyris L. C. Wheeler 1934-11-4 3358 Siskiyou Marble Mountains: Scott Bar, Scott River. (Mt Diablo Mer.) 518 Comment
  RSA70536  Euphorbia lathyris L. C. Wheeler 1934-11-4 3358 Siskiyou Marble Mountains: Scott Bar, Scott River. (Mt Diablo Mer.) 518 Comment
  JEPS31925  Eurybia radulina Willis L. Jepson Jul 24 1894-Aug 10 1894 Siskiyou Sisson Upper Sacramento, Mt. Shasta Comment
  SEINET5708047 Image available Eurybia radulina Lowell E. Urbatsch, Vesna Karaman, Castro 2000-1 7700 Siskiyou Scott Mts. Collected along Road 17, 10.3 miles SW from the intersection of I-5 and Stewart Springs Rd.; Scott Mountains 1755 Comment
  UC572797  Eurybia radulina W. Bridge Cooke 1937-8-6 9177 Siskiyou Mt. Shasta 1219 Comment
  HSC76770  Festuca idahoensis K. T. Stillman 1976-8-7 374 Siskiyou Marble Mtn. Wilderness Area, Box Camp Mtn. 2195 Comment
  HSC76960  Festuca idahoensis K. T. Stillman 1976-7-21 274 Siskiyou Marble Mtn. Wilderness Area 1982 Comment
  HSC42963  Festuca occidentalis J. O. Sawyer, K. T. Stillman 1976-5-30 2757 Siskiyou Along Specimen Creek. 915 Comment
  UCD66114  Festuca occidentalis Beecher Crampton 1956-8-21 3814 Siskiyou 15 miles southwest of city of Mount Shasta, slope above Gumboot Lake, headwater of south fork of Sacramento River. 1920 Comment
  SEINET10553350  Festuca pratensis George D. Butler 1910-7-4 Butler 1636 Siskiyou Creek bed, Goosenest foothills. 1219 Comment
  UC197192  Festuca roemeri Geo. D. Butler 1909-6-22 841 Siskiyou Goosenest foothills Comment
  CAS-BOT-BC279075  Festuca rubra L. P. Janeway 1983-7-7 390 Siskiyou Siskiyou Mountains; ridge just north-west behind West Branch Guard Station 701 Comment
  UCD66440  Festuca subulata A. A. Heller 1916-7-20 12466 Siskiyou Metcalf's ranch, northeast base of Mt. Eddy in openings in the forest. 1188 Comment
  UC2046864  Festuca viridula R. E. Brainerd with N. Otting 2013-7-12 2182 Siskiyou Siskiyou County: Klamath Mountains. Marble Mountains Wilderness Area. Near the outlet at the west end of Upper Wright Lake. Comment
  HSC78202  Floerkea proserpinacoides L. P. Janeway 1983-8-6 485 Siskiyou At Poker Flat, at front edge of upper portion of meadow. 1524 Comment
  RSA29656  Floerkea proserpinacoides Louis C. Wheeler 1935-6-27 3596 Siskiyou Etna Creek, Marble Mtns. 1524 Comment
  CDA25856  Fragaria vesca T. C. Fuller 1958-6-18 1816 Siskiyou Summit of Siskiyou Mountains along road between Cave Junction & Happy Camp. 0 Comment
  SEINET6699530  Fragaria virginiana var. platypetala G. D. Butler 1910-5-10 1315 Siskiyou Goosenest Foothills 1524 Comment
  CAS-BOT-BC447517  Fragaria virginiana var. platypetala Wm. Bridge Cooke 1939-6-23 13542 Siskiyou Frequent around moist places at the lower end of the upper Wagon Camp meadow 1737 Comment
  CAS-BOT-BC53259  Frangula californica subsp. californica Arthur Menzies 1962-7-21 s.n. Siskiyou Morgan Meadows, base of Mt. Eddy 1706 Comment
  SEINET7417503 Image available Frangula californica subsp. californica M. Ownbey, F. G. Meyer 1940-7-8 2224 Siskiyou Indian Creek, 12 mi above Happy Camp Comment
  HSC100303  Frangula rubra J. P. Smith, & J. O. Sawyer 2011-6-25 13272 Siskiyou Along Sugar Creek Rd., 1.8 mi. E of Hwy. 3. 968 Comment
  SDSU7105  Frasera albicaulis var. nitida D. F. Howe 1962-8-4 3389 Siskiyou Baldy Mountain. 1737 Comment
  CAS-BOT-BC130176  Fritillaria affinis Mrs. A. E. Stonehouse 1917-4-25 s.n. Siskiyou Hilt Comment
  SBBG57788  Fritillaria atropurpurea H. and M. Dearing 1938-6-28 203 Siskiyou Wagon Camp, Mt Shasta 1828 Comment
  CAS-BOT-BC502842  Fritillaria atropurpurea Geo. D. Butler 1910-5-1 1261 Siskiyou Humbug Mountain 1219 Comment
  CHSC2283  Fritillaria pudica A. Anderson 1962-3-14 Siskiyou Scott Valley. 914 Comment
  UC15017  Fritillaria pudica F. W. Hooper 1897-3-27 Siskiyou Litttle Shasta Comment
  UC375203  Fritillaria pudica Geo. D. Butler 1910-5-1 1264 Siskiyou Humbug Mountain Comment
  UC1005601  Fritillaria pudica Frank W. Gould 1940-5-14 1244 Siskiyou Goosenest Mountain, Bull Meadow Bull Meadow; Goosenest Mountain, Bull Meadow 1524 Comment
  UC637127  Galium ambiguum var. siskiyouense Edward Lee 1934-8-13 1061 Siskiyou Happy Camp to Waldo (Oregon) road Klamath National Forest, watershed of West Branch of Indian Comment
  UC164089  Galium aparine Geo. D. Butler 1908-7-19 1000 Siskiyou Humbug Creek Comment
  HSC72354  Galium bolanderi J. P. Smith, J. O. Sawyer, Kevin Sawyer, Jane Sawyer 1976-9-5 8972 Siskiyou Hwy. 3, 4 mi. N of Siskyou-Trinity Co. line Comment
  JEPS93919  Galium bolanderi Vernon H. Oswald and Lowell Ahart 1998-8-3 9412 Siskiyou Kangaroo Lake Road (USFS 41N08) 3.5 mi se of Gazelle-Callahan Road; Kangaroo Lake Road 1493 Comment
  UC416639  Galium bolanderi W. A. Setchell, C. C. Dobie 1902-7-14 Siskiyou Sisson Mount Shasta Comment
  SBBG18757  Galium bolanderi C. B. Hardham 1961-7-2 8051 Siskiyou Scott River near Mill Crk 1219 Comment
  UC416635  Galium bolanderi Milo S. Baker 1899-7-17 Siskiyou Lava Beds Fall River Valley Comment
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Jan 16 2007
  UCSB17349  Galium bolanderi Hardham, Clare 1961-6-30 Siskiyou White Moutnain, Siskiyou Mountains Comment
  JEPS27424  Galium glabrescens Lauramay T. Dempster and Clare Hardham 1961-7-1 1820 Siskiyou just s Oregon border (e slope just below peak); White Mountain Comment
  CAS-BOT-BC94860  Galium glabrescens subsp. glabrescens R. C. Wenk 2005-7-20 352 Siskiyou National Forest Road 17, 1 mile down road to the north heading toward Mt. Shasta 2029 Comment
  UC722316  Galium grayanum C. L. Hitchcock and J. S. Martin 1939-7-7 5289 Siskiyou Sanger Peak 1780 Comment
  CAS-BOT-BC223194  Galium serpenticum subsp. scotticum L. B. Kildale 1930-6-1 9844 Siskiyou Mill Creek near Etna Mills Comment
  UC163751  Galium trifidum Geo. D. Butler 1910-7-9 1691 Siskiyou Shackleford Creek 1219 Comment
  JEPS6561  Galium trifidum var. pacificum Willis L. Jepson Jul 24 1894-Aug 10 1894 Siskiyou Sisson Region of the Upper Sacramento Comment
  HSC61496  Galium triflorum Ruby Van Deventer 1939-7-18 Siskiyou Kelley Lake and Kelley Lake Trail Comment
  HSC36168  Galium triflorum Brent Whiteley 1975-6-28 69 Siskiyou 915 Comment
  HSC59093  Garrya buxifolia Clark L. Miller 1978-10-21 81 Siskiyou French Camp Rd. off Hwy. 199, E of Hwy. 101 549 Comment
  UC21600  Garrya buxifolia Thos. Howell Apr 1892 1437 Siskiyou Siskiyou Mts. Comment
  CAS-BOT-BC182249  Garrya fremontii Dorothy Parker 1948-2-27 215 Siskiyou South slope, in Plowman's Valley 1219 Comment
  RSA238889  Garrya fremontii Frederick W. Oettinger 1968-8-18 581 Siskiyou At the northeast side of Hancock Lake, Salmon Mountains, Marble Mountain Wilderness Area. 1936 Comment
  RSA52144  Garrya fremontii Dorothy Parker 1948-2-27 215 Siskiyou In Plowmans Valley. 1220 Comment
  UC876011  Garrya fremontii L. E. Smith Jul 1912 Siskiyou Hornbrook Comment
  UCSB24872  Garrya fremontii Favero, R. 1968-3-27 Siskiyou on southwest steep slopes; 1.5 miles west of Yreka, Calif, on Humbug road, Humbug Mountain 975 Comment
  RSA467221  Gaultheria humifusa L. C. Wheeler 1934-8-16 3164 Siskiyou Johnson Dairy, Siskiyou Mts. 1646 Comment
  HSC92090  Gayophytum diffusum subsp. parviflorum Jennifer Whipple 1976-7-9 1382 Siskiyou Dale Creek Drainage on the N face of Mt. Eddy 2195 Comment
  JEPS25588  Gayophytum diffusum subsp. parviflorum Rimo Bacigalupi 1959-7-2 7220 Siskiyou headwaters or iver near Caribou Mtn. (just s of low divide (Trinity Co. boundary) separating Coffee Creek drainage from that of Salmon River); South Fork of the Salmon River, Big Flat Campground 1508 Comment
  RSA237857  Gayophytum diffusum subsp. parviflorum Frederick W. Oettinger, Robert F. Thorne 1969-8-5 1196 Siskiyou English Lake Basin, on way to Abbotts. Salmon Mountains, the High Lake Basins in the vicinity of English Peak, Marble Mountains Wilderness Area. 1677 Comment
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Dec 10 2015
  RSA34680  Gayophytum diffusum subsp. parviflorum W. Bridge Cooke, V. G. Cooke 1946-9-2 17645 Siskiyou At Horse Camp, Mount Shasta 2439 Comment
  UC873670  Gayophytum heterozygum Lewis S. Rose 1937-7-28 37599 Siskiyou Shasta Springs 914 Comment
  POM258618  Gayophytum heterozygum W. Bridge Cooke 1940-7-5 15293 Siskiyou Mount Shasta: along the road between Wagon Camp and Bear Springs. 1524 Comment
  POM261178  Gayophytum heterozygum W. Bridge Cooke 1941-9-5 16273 Siskiyou Vicinity of Bear Springs, Mt. Shasta 1524 Comment
  RSA34387  Gayophytum heterozygum W. Bridge Cooke 1947-8-9 17789 Siskiyou Around Horse Camp, Mount Shasta. 2439 Comment
  HSC92087  Gayophytum humile Jennifer Whipple 1976-7-9 1387 Siskiyou Dale Creek drainage on the N face of Mt. Eddy 2195 Comment
  SBBG30545  Gayophytum humile D. Myrick 1968-6-28 2051 Siskiyou Mountain Meadow Ranch, Big Flat, head of Coffee Crk, Trinity Alps 1524 Comment
  POM204499  Gayophytum humile Louis C. Wheeler 1934-6-22 2770 Siskiyou Siskiyou Mountains: Cottonwood Creek, Mt. Diablo Mer. 1006 Comment
  HSC76722  Gentiana calycosa K. T. Stillman 1976-8-7 386 Siskiyou Marble Mountain Wilderness Area Comment
  JEPS47042  Gentiana calycosa Milo S. Baker 1893-6 Siskiyou McCloud River Comment
  JEPS83888  Gentiana calycosa Wayne Roderick Sep 1978 Siskiyou vicinity Cook and Green Pass (along trail to Lily Pad Lake); Siskiyou Mts. 1706 Comment
  CAS-BOT-BC123925  Gentiana newberryi Alice Eastwood 1912-8-30 2037 Siskiyou Mount Eddy Comment
  JEPS61442  Geranium oreganum W. L. Jepson Jul 1894 13570 Siskiyou Sisson Comment
  UC1299120  Geum macrophyllum Freed W. Hoffman 1951-7-15 4032 Siskiyou Marble Mountains, Hammond Camp, western Siskiyou County Hammond Camp; North Coast Ranges, Marble Mountains, Hammond Camp 1524 Comment
  HSC45986  Gilia capitata J. P. Smith, Steve Selva 1970-6-15 3947 Siskiyou Road between Forks of Salmon and Cecilville. 579 Comment
  JEPS25651  Gilia capitata subsp. capitata Rimo Bacigalupi with Mr. and Mrs. Van Deventer 1959-7-9 7293 Siskiyou at Poker Flat 1536 Comment
  CAS-BOT-BC94919  Gilia capitata subsp. capitata R. C. Wenk 2006-9-2 549 Siskiyou Trail to Caribou Lakes from Big Flat Meadow, below Snowslide Lake 2164 Comment
  SEINET10684536 Image available Glaux acutifolia A. Arthur Heller 1905-6-20 Heller 8073 Siskiyou Gazelle. Comment
  CAS-BOT-BC282723  Glyceria elata John Thomas Howell 1937-7-22 13272 Siskiyou South Fork of Salmon River near Big Flat 1524 Comment
  RSA183415  Glyceria striata J. M. Tucker 1963-8-19 3774 Siskiyou Headwaters of Canyon Creek, Marble Mountain Wilderness Area. 1951 Comment
  HSC2133  Glycyrrhiza lepidota C. B. Wolf 1927-8-26 1022 Siskiyou Klamath River, 5 mi. below Hornbrook Comment
  CHSC29309  Gnaphalium palustre J. D. Prouty; A. W. Ratcliff 1979-8-2 79 .93 Siskiyou Vernal pool, roadside, Hwy. 49, ca. 20 mi ne of jct. with Hwy. 89. 1645 Comment
  JEPS33998  Gnaphalium palustre Geo. D. Butler 1909-6-5 795 Siskiyou along creek near Yreka Comment
  JEPS83864  Goodyera oblongifolia Wayne Roderick 1976-7-1 Siskiyou vicinity of Cook and Green Pass (ne side of Pass, Siskiyou Mountains); Siskiyou Mountains 1463 Comment
  HSC42889  Goodyera oblongifolia K. T. Stillman 1976-8-15 403 Siskiyou Along Specimen Creek 915 Comment
  UC885859  Gratiola ebracteata Louis C. Wheeler 1935-6-13 3570 Siskiyou Greenview , Greenview (Scott Valley) 883 Comment
  RSA607425  Gratiola ebracteata Louis C. Wheeler 1935-6-13 3570 Siskiyou Greenview, Scott Valley. 884 Comment
  RSA675587  Grindelia camporum F. R. Schallert 1953-8-10 3131 Siskiyou Below Mt. Shasta. Comment
  UC897131  Grindelia hirsutula A. A. Heller 1917-9-7 12979 Siskiyou Shasta valley ten mi s Gazelle 914 Comment
  JEPS55564  Hackelia californica W. L. Jepson 1940-6-30 20065 Siskiyou 6 mi e of McCloud (Fowlers Camp); McCloud River 944 Comment
  JEPS55573  Hackelia micrantha Geo. D. Butler 1908-8-6 13 Siskiyou head of Independence Creek (Whiskey Camp); , Whiskey Camp 1676 Comment
  RSA644033  Hackelia setosa Elaine Joyal, D. Mehlman 1988-6-25 1271 Siskiyou Happy Camp - Takilma road at turn-off to Bolan Lake 1524 Comment
  UC72277  Hastingsia alba Milo S. Baker 1899-8-4 Siskiyou Dead Horse Canyon Dead Horse Canyon (e Siskiyou County) Comment
  CDA39324  Hastingsia alba T. C. Fuller 1958-6-19 1821 Siskiyou Highway 99, 3 miles south of Gazelle. 0 Comment
  RSA47599  Hastingsia alba Roxana S. Ferris, Laura Lorraine 11730 Siskiyou French Creek logging road west of Callahan. 1067 Comment
  SD98966  Hastingsia bracteosa Darley F. Howe 1977-7-1 Siskiyou Scott Mountain Creek. Comment
  JEPS120254  Hazardia whitneyi var. discoidea Julie Kierstead Nelson 2011-8-23 2011 -46 Siskiyou Eastern Klamath Mountains, The Eddys, North side of Fawn Creek, 2 miles NE of Gumboot Lake Comment
  CAS-BOT-BC306364  Helenium autumnale Edward Lee 1934-8-12 1051 Siskiyou Near mouth of Walker Creek, a tributary of the Klamath River (east end of Seiad Valley) 426 Comment
  UC165252  Helenium autumnale Geo. D. Butler 1908-8-30 319 Siskiyou near Fort Jones; Scott River Comment
  SEINET10758262  Helenium bigelovii Andrew Townesmith, Karen M. Meyer 2007-7-28 Townesmith 865 Siskiyou Shasta-Trinity National Forest. At the intersection of Forest Service route 26 and Forest Service road 40N33, 6.0 miles west of forest boundary (via route 26). T39N R5W S16. 1441 Comment
  UC642535  Helenium bigelovii W. B. Cooke 1939-7-21 13723 Siskiyou Wagon Camp meadows Mount Shasta 1737 Comment
  SBBG8400  Helianthella californica C. B. Hardham 1961-7-3 8069 Siskiyou S of Calahan, Scott Mtns Comment
  CAS-BOT-BC305473  Helianthus annuus Carl B. Wolf 1927-8-26 1053 Siskiyou On the Klamath River, 3 mi. below Gottville Comment
  OBI55529  Helianthus bolanderi David J. Keil, Kathleen Keil 1992-7-21 23516 Siskiyou Klamath Natl Forest SE of Callahan on hwy 3, 2.1 mi NW of Scott Mtn summit Comment
  CAS-BOT-BC305575  Helianthus bolanderi L. R. Abrams 1922-8-6 9910 Siskiyou Between Summit and Hornbrook Comment
  JEPS107479  Heliotropium curassavicum Lowell Ahart, John Dittes 2005-6-9 12038 Siskiyou Rocky hill, about 20 yards north of where cattle water in the Shasta River, about 3/5 mile (air) south of Highway 99/97 Cutoff, about 2 1/2 miles (air) east-southeast of Grenada 774 Comment
  RSA715492  Heliotropium curassavicum var. oculatum L. Ahart 2005-6-9 12038 Siskiyou 20 yards north of where cattle water in the Shasta River, about 3/5 mile (air) south of Highway 99/97 Cutoff, about 2.5 miles (air) east-southeast of Grenada. 775 Comment
  CAS-BOT-BC313463  Hemizonella minima A. A. Heller 1905-6-13 8016 Siskiyou Near Mott Comment
  HSC510  Hemizonella minima William J. Ferlatte 1967-6-27 541 Siskiyou Big Flat, near public campground 1524 Comment
  SD11874  Hesperocyparis macnabiana Carl B. Wolf 1930-10-19 Siskiyou Modoc Lava Beds, 1 mile east of Timbered Butte on old road from ? Hill Farm at Dana to Little Hot Spring Valley 1220 Comment
  UC133548  Hesperolinon micranthum Dr. E. B. Copeland 1903-7-8 3561 Siskiyou Klamathon Comment
  JEPS24011  Hesperolinon micranthum Rimo Bacigalupi with Drs. Reino and Aloha Alava 1958-9-2 6872 Siskiyou along the road 4.7 mi below (n of) Scott Mtn. (road summit, just s of and above Callahan) 1127 Comment
  CAS-BOT-BC311092  Heterotheca oregona var. rudis Louis C. Wheeler 1934-9-15 3265 Siskiyou Klamath National Forest. Walker 518 Comment
  CAS-BOT-BC312303  Heterotheca villosa var. minor G. Muth 1966-7-25 453 Siskiyou Marble Valley Comment
  JEPS84204  Heterotheca villosa var. minor L. R. Heckard with S. D'Alcamo, J. Hickman, S. Winchester 1986-7-16 6324 Siskiyou 1/2 air mi from Red Butte (ca 7 mi nne of Seiad Valley, w of Cook and Green Pass) 1850 Comment
  CAS-BOT-BC420728  Heuchera cylindrica Elmer I. Applegate 1935-6-6 9356 Siskiyou North slope of Caldwell Butte, Lava Beds National Monument Comment
  CAS-BOT-BC420708  Heuchera merriamii Edward Lee 1934-8-14 1102 Siskiyou near summit of Little Grayback, Siskiyou-Del Norte County Line 1859 Comment
  CAS-BOT-BC420704  Heuchera merriamii Doris K. Kildale 1928-8-19 6542 Siskiyou Summit of divide between English Lake and Haverick Lake on trail to Marble Mt. 2194 Comment
  RSA782326  Heuchera micrantha R. W. Spjut, Paul Burchstead 2008-6-12 16341 Siskiyou Klamath Region. Klamath National Forest: vicinity of Sawyers Bar along the North Fork of the Salmon River. Along south side of river just across the bridge south of paved road. 658 Comment
  CAS-BOT-BC424177  Heuchera micrantha var. erubescens Alice Eastwood; John Thomas Howell 1934-4-20 1771 Siskiyou Near Yreka along Shasta River Comment
  CAS-BOT-BC424370  Heuchera rubescens C. S. Robinson 1927-7-28 107 Siskiyou Sequoia Forest. Grantie Gulch Long Meadow. 2987 Comment
  CHSC359  Hieracium albiflorum K. Jaekel 1939-7-2 Siskiyou Mt. Shasta. 1828 Comment
  UC637125  Hieracium albiflorum Edward Lee 1934-8-13 1088 Siskiyou watershed of West Branch of Indian Creek, Happy camp to Waldo (Oregon) road Klamath National Forest 1463 Comment
  CAS-BOT-BC319692  Hieracium albiflorum P. A. Munz 1965-8-11 s.n. Siskiyou Upper meadows, Marble Valley Comment
  RSA237433  Hieracium albiflorum Frederick W. Oettinger, R. F. Thorne 1969-8-6 1258 Siskiyou Tobacco Lake Basin. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1890 Comment
  UC337088  Hieracium horridum unknown 1888-9-12 Siskiyou side Mt. Shasta Comment
  CAS-BOT-BC316019  Hieracium nudicaule John Thomas Howell 1937-7-21 13178 Siskiyou South Fork of Salmon River near Big Flat 1524 Comment
  UC897886  Hieracium nudicaule Alice Eastwood 1912-7-15 1083 Siskiyou McCloud Comment
  CAS-BOT-BC320104  Hieracium triste J. M. Tucker; L. K. Mann 1963-8-19 3783 Siskiyou Headwaters of Canyon Creek, Marble Mountain Wilderness Area 1920 Comment
  CAS-BOT-BC320108  Hieracium triste Annie M. Alexander; Louise Kellogg 1949-7-29 5896 Siskiyou Near Hidden Lake, above Sky High Lake, Sky High Valley, Marble Mountains 1767 Comment
  UC375380  Holodiscus discolor Geo. D. Butler 1908-7-19 494 Siskiyou 3 mi nw of Yreka (Humbug, Humkissville Road); Humbug, Humkissville Road Comment
  HSC4859  Holodiscus microphyllus var. glabrescens J. O. Sawyer 1968-6-18 227 Siskiyou Headwaters of Blake's Fork of S Russian Creek 1738 Comment
  CDA16144  Holosteum umbellatum G. F. Hrusa 1999-4-2 14934 Siskiyou Cascade Range; Louise Rd exit off I-5 on Louise Rd east turnout. 822 Comment
  CDA3418  Holosteum umbellatum J. G. Schieber 1978-5-3 Siskiyou Don Dysert ranch, Macdoel. 0 Comment
  HSC92531  Hordeum brachyantherum Jennifer Whipple 1978-10-6 2428 Siskiyou Dale Creek drainage on the N face of Mt. Eddy 2195 Comment
  POM112114  Hordeum brachyantherum Geo D. Butler 1910-6-15 1564 Siskiyou Yreka Creek Comment
  SACT001296  Hordeum nodosum Geo Butler 1910-6-5 Siskiyou Comment
  CAS-BOT-BC143949  Horkelia daucifolia L. E. Smith 1914-5-14 700 Siskiyou Yreka Comment
  UC163747  Horkelia daucifolia Geo. D. Butler 1910-7-3 1634 Siskiyou 1219 Comment
  UC673253  Horkelia daucifolia Lincoln Constance and Reed C. Rollins 1942-5-13 2913 Siskiyou 2 mi s Scott Bar; Klamath Siskiyou Region, Scott River 548 Comment
  CAS-BOT-BC123401  Horkelia daucifolia subsp. latior John Thomas Howell 1937-7-29 13677 Siskiyou North slope of Scott Mts. 1676 Comment
  JEPS80666  Horkelia fusca subsp. parviflora W. B. & V. G. Cooke 1970-7-22 42689 Siskiyou 0.5 mi above US-97 (Andesite Road); Mt. Shasta Comment
  JEPS95044  Horkelia fusca subsp. parviflora Vernon Oswald and Lowell Ahart 1997-7-28 8804 Siskiyou Forest Rte. 15 ca. 1 mi. s. Harris Spring 1463 Comment
  POM178492  Horkelia fusca var. brownii Marcus E. Jones 1930-7-10 25377 Siskiyou Lake Tahoe Comment
  JEPS69758  Horkelia tridentata W. B. and V. G. Cooke 1972-7-6 45457 Siskiyou along Mud Creek Dam Road Mt. Shasta 10 Comment
  POM208191  Horkelia tridentata Louis C. Wheeler 1934-6-29 s.n. Siskiyou Beaver Creek 1341 Comment
  UC545673  Horkelia tridentata subsp. tridentata Louis C. Wheeler 1934-6-29 2821 Siskiyou Beaver Creek Siskiyou Mts., Mt. Diablo Mer 1341 Comment
  CAS-BOT-BC538243  Horkelia tridentata var. flavescens J. H. Thomas 1954-5-12 4123 Siskiyou Salmon Mountains, Klamath National Forest. Near South Fork of Salmon River, 5 to 9 miles southeast of Cecilville 975 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
  JEPS107486  Hornungia procumbens Lowell Ahart, John Dittes 2005-6-9 12044 Siskiyou Meadow area along a small drainage, on the east side of a poor rock fence, about 300 yards east of where cattle water in the Shasta River, about 3/5 mile (air) south of Highway 99/97 Cutoff, about 2 1/2 miles (air) east-southeast of Grenada 774 Comment
  UCD106083  Hosackia crassifolia R. Tofsrud; J. M. Tucker 1948-8-2 1754 Siskiyou Open Yellow Pine woods, outskirts of McCloud. Comment
  CAS-BOT-BC142664  Howellanthus dalesianus Dorothy Parker 1958-6-9 649 Siskiyou summit of Scott Mt. 1630 Comment
  UC1540215  Hulsea nana Dean W. Taylor 1987-6-29 9094 Siskiyou n end of Burnt Lava Flow 1706 Comment
  JEPS101288  Hydrophyllum occidentale Dean W. Taylor 1972-7-3 1575 Siskiyou Salmon Mountains, near Little Duck Lake 1828 Comment
  SEINET3156128  Hydrophyllum occidentale G. D. Butler 1910-7-9 1720 Siskiyou Marble Mountain 1676 Comment
  HSC62600  Hydrophyllum occidentale Al Hobart 1968-6-26 Siskiyou Youngs Valley Comment
  CAS-BOT-BC400987  Hypericum anagalloides H. A. Thomas; J. H. Thomas 1954-7-23 4461 Siskiyou Salmon - Trinity Mts. About 6 miles SE of Cecilville. Vicinity of Blind Horse Creek 1036 Comment
  SBBG21928  Hypericum anagalloides D. Myrick 1964-7-25 969 Siskiyou Panther Meadows, Mt Shasta 2346 Comment
  UC1408883  Hypericum anagalloides Frederick W. Oettinger 1968-8-1 444 Siskiyou meadow at inlet to Tobacco Lake; Salmon Mts, High Lake Basins, English Peak vicin., Marble Mt 1889 Comment
  UC164087  Hypericum anagalloides Geo. D. Butler 1910-7-12 1765 Siskiyou Shackleford Creek 1219 Comment
  POM86619  Hypericum formosum var. scouleri Geo. D. Butler 1910-7-3 1627 Siskiyou Creek bank (illegible) foothills. 1220 Comment
  RSA105441  Hypericum perforatum G. D. Barbe 1955-7-1 072 Siskiyou 1.3 miles east of Etna on the Westside Rd. to Callahan. 854 Comment
  CAS-BOT-BC401469  Hypericum scouleri Carl B. Wolf 1927-8-26 1074 Siskiyou On the Klamath River, near Hamburg Comment
  CAS-BOT-BC206831  Iliamna bakeri L. Constance 1940-7-12 15337 Siskiyou Along Memorial Highway, Mount Shasta. 1524 Comment
  HSC100273  Iliamna bakeri J. P. Smith, , J. O. Sawyer, & R. J. Cole 2010-8-7 13067 Siskiyou Klamath National Forest, road to Crater Lake off Forest Service Road 40N24. 1838 Comment
  JEPS60236  Iliamna bakeri L. R. Heckard with L. Constance and R. Ornduff 1969-6-24 2290 Siskiyou along US 97 0.7 mi s Bolam road junction (nw side of mountain); Mount Shasta Comment
  SD46431  Ipomopsis aggregata E. K. Balls, L. W. Lenz 1956-6-18 21803 Siskiyou 4.4 miles east of McCloud, State Highway 89. 1036 Comment
  CHSC26181  Ipomopsis aggregata subsp. formosissima J. P. Kroessig 1977-8-5 49 Siskiyou Roadside, s of jct of Everitt Memorial Hwy and McBridge Springs Campground access road, ca 4.5 km n of Mt Shasta City. 1460 Comment
  JEPS52326  Iris chrysophylla Wayne Roderick 1963-6-10 Siskiyou ca. 10 mi. e. McCloud Comment
  SEINET4898742  Iris chrysophylla J. Seely s.n. Siskiyou Klamath National Forest Comment
  POM168907  Iris macrosiphon H. P. Chandler 1901-06 1570 Siskiyou Near Marble Mtn. 1829 Comment
  UC909355  Iris missouriensis Ira L. Wiggins 1950-5-27 12357 Siskiyou Callahan Ranger Station Callahan, Scott River (banks of e fork of Scott River) 975 Comment
  HSC65849  Iris tenax subsp. klamathensis Gail Newton 1980-6-20 438 Siskiyou Near Bald Mtn. 250 Comment
  HSC73993  Iris tenuissima Gail Newton 1980-6-20 522 Siskiyou Near Bald Mtn. 1326 Comment
  UC844949  Iris tenuissima unknown 1941-6-6 16015 Siskiyou e base Mt. Eddy Comment
  RSA78683  Iris thompsonii Philip A. Munz 1952-6-2 17875 Siskiyou Road to Baldy Mountain, northwest of Happy Camp, Siskiyou Mountains 1494 Comment
  CHSC118593  Isatis tinctoria Richard R. Halse 2016-5-29 9722 Siskiyou Along Hilt Road by its junction with Interstate Hwy. 5, east of Hilt. 939 Comment
  CAS-BOT-BC88664  Isatis tinctoria George Dexter Butler 1910-6-7 1534 Siskiyou Scott River. Comment
  HSC47618  Isatis tinctoria J. P. Smith 1977-5-15 9071 Siskiyou Rd. 8, 1 mi. from junction with Hwy. 3 Comment
  UC1148969  Isoetes bolanderi Jack Major, M. Fleschner, and R. Pemble 1966-9-5 Siskiyou e Marble Mt (Frying Pan Lake); Marble Mts 1783 Comment
  RSA264994  Isoetes occidentalis Gilbert Muth 1975-7-30 s.n. Siskiyou Near Lily Pad Lake near Seiad Valley. 1585 Comment
  CHSC114171  Juglans hindsii R. E. Brainerd 2010-8-11 1739 Siskiyou Boles Creek in Weed between E, Lake Street and S. Weed Boulevard. UTM Zone 10 551456E 45888885820N 1048 Comment
  CAS-BOT-BC110021  Juncus Melissa A. Berry 1957-7-1 s.n. Siskiyou On Highway 97 at Hebron Summit. Comment
  CDA42385  Juncus articulatus Jodi Aceves 2014-8-15 PDR# 470 P06027656 Siskiyou 0 Comment
  HSC46746  Juncus balticus subsp. ater William J. Ferlatte 1974-7-26 1597 Siskiyou Big Flat near S Fork of Salmon River, 100 m W of campground 1524 Comment
  HSC77291  Juncus bolanderi L. P. Janeway 1982-6-30 31 Siskiyou E facing slope 300m N of West Branch Guard Station 671 Comment
  CHSC96695  Juncus drummondii Gordon Leppig 1998-8-14 1028 Siskiyou Klamath National Forest, Russian Wilderness, Little Duck Lake Fen. Subalpine fen in cirque west of Little Duck Lake. NAD 27 UTM Zone 10, 503813E, 4572466N. 670 Comment
  CHSC40145  Juncus ensifolius L. P. Janeway 1983-8-3 482 Siskiyou Seep area along edge of dirt rd ca 350 m n of West Branch Guard Sta. 670 Comment
  HSC34124  Juncus ensifolius J. O. Sawyer 1969-8-18 1991 Siskiyou S Sugar Lake Creek 1829 Comment
  HSC73220  Juncus ensifolius Gail Newton 1980-6-20 504 Siskiyou Near Bald Mtn. 1097 Comment
  RSA238917  Juncus ensifolius Frederick W. Oettinger 1969-7-29 1104 Siskiyou At the northern shore line of Uncle s Lake. Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1845 Comment
  JEPS121599  Juncus howellii Danielle Roach 2011-9-15 Siskiyou Tamarack Flat, north of Mt. Eddy. Sloping wet meadow on ultramafic soil; NE aspect. South China Mountain quadrangle. TF1_B Comment
  CDA33214  Juncus howellii William J. Ferlatte 1987-7-7 2109 Siskiyou USFS Road 31, 1.6 miles east of McCloud River Railroad; Bear Springs area, near Mt. Shasta. 0 Comment
  RSA215589  Juncus mertensianus Gilbert Muth 1969-8-10 1325 Siskiyou Ridge W of Boulder Peak. 2287 Comment
  CAS-BOT-BC127617  Juncus mertensianus W. B. Cooke 1938-8-18 11475 Siskiyou Mount Shasta. Horse Camp Springs. Around several springs above Horse Camp along the Summit Trail. 2514 Comment
  CAS-BOT-BC127623  Juncus mertensianus Jennifer Whipple 1976-6-30 1219 Siskiyou Mount Eddy. Klamath Mountains. Wagon Creek drainage near Wagon Creek. 2194 Comment
  UCD141353  Juncus mexicanus Harold L. Lint; Mary E. Lint 1967-8-7 C 657 Siskiyou Panther Meadows on slopes of Mt. Shasta. Comment
  HSC22107  Juncus nevadensis J. O. Sawyer 1969-8-5 1760 Siskiyou W of Little Duck Lake 2073 Comment
  UC1100994  Juncus nevadensis Herbert L. Mason 1948-7-18 13614 Siskiyou Grass Lake Comment
  JEPS66697  Juncus orthophyllus B. C. Goldsmith 1916-6-22 1 Siskiyou se of Mt. Shasta; McCloud Flat, Pilgrim Creek Comment
  CHSC99697  Juncus parryi L. P. Janeway 2008-7-24 9470 Siskiyou Klamath Ranges. Siskiyou Mountains; at end of short spur road into top of Alex Hole; 1.0 km east-southeast of Condrey Mountain. 1975 Comment
  CAS-BOT-BC80907  Juniperus Doris K. Kildale; J. W. Gillespie 1929-6-23 8039 Siskiyou Shasta River near Yreka 762 Comment
  NY21384  Juniperus communis W. B. Cooke 1939-7-26 13743 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
  HSC4852  Juniperus communis var. jackii J. O. Sawyer 1968-7-23 591 Siskiyou Along trail from Brown's Valley to Caribou Basin including areas around Snowslide Lake and Caribou Lake. 1829 Comment
  CAS-BOT-BC81234  Juniperus occidentalis Elmer I. Applegate 1932-4-15 7060 Siskiyou Scott Valley, east side Comment
  HSC45854  Juniperus occidentalis J. P. Smith, Steve Selva 1970-8-8 4550 Siskiyou Juanita Lake Comment
  UC119000  Juniperus occidentalis T. S. Brandegee 1887-7-1 Siskiyou Ager Comment
  UC54251  Juniperus occidentalis H. M. Hall and E. B. Babcock 1903-6-1 4100 Siskiyou head Little Shasta Valley; Mount Shasta, Sheep Rock 1371 Comment
  UCD133042  Juniperus occidentalis Beecher Crampton 1960-2-1 5475 Siskiyou 5 miles SW of Macdoel. Along State Hwy. 97. Comment
  POM120220  Juniperus occidentalis var. occidentalis Geo D. Butler 1908-8-16 227 Siskiyou Near Yreka 915 Comment
  RSA6894  Juniperus occidentalis var. occidentalis Elmer I. Applegate 1932-4-15 7060 Siskiyou Scott Valley, east side Comment
  LA41201  Kalmia polifolia Wm. Bridge Cooke; 1938-9-8 11668 Siskiyou Mount Shasta, upper Heather Meadows along Squaw Valley Creek 2438 Comment
  RSA659518  Kalmia polifolia subsp. microphylla Gary D. Wallace 1990-7-1 2955 Siskiyou Trinity Mountains: SW of Shasta City, Cedar Basin Research Area. 1828 Comment
  UC917333  Kelloggia galioides R. Tofsrud and J. M. Tucker 1948-8-4 1785 Siskiyou ca 1.5 mi nw McCloud Comment
  CAS-BOT-BC274223  Koeleria Melissa A. Berry 1957-7-11 s.n. Siskiyou Parrott Mill Road, near Callahan 975 Comment
  UC1037107  Koeleria macrantha Leo Whitney 1934-6-29 2293 Siskiyou Tennant 1524 Comment
  CHSC118609  Koeleria macrantha Julie Kierstead Nelson; Martin Lenz, Rhonda Posey, Brenna Montagne 2016-6-9 2016011 Siskiyou Lower Parks Creek watershed, E Klamath Range; UTM NAD 83 Zone 10, 539617m E, 4586637m N. 1360 Comment
  UC133347  Kyhosia bolanderi E. B. Copeland 3882 Siskiyou Sisson 1066 Comment
  UC89209  Lagophylla ramosissima T. S. Brandegee 1884-7-1 Siskiyou Ager Comment
  POM209650  Lagophylla ramosissima Palmer Stockwell 1934-7-16 77 Siskiyou [Town of] Weed. Comment
  CAS-BOT-BC204931  Lathyrus Roxana S. Ferris; Laura Lorraine 1948-6-12 11828 Siskiyou 1 mi. below summit of Gazelle Mt. grade, w. side, Gazelle-Callahan Road 1219 Comment
  HSC62307  Lathyrus delnorticus Ruby Van Deventer Aug 1957 Siskiyou Youngs Valley. Comment
  HSC71653  Lathyrus latifolius J. P. Smith, Steve Selva 1970-6-17 4096 Siskiyou 3 mi. E of Somes Bar. 152 Comment
  SEINET3145112  Lathyrus nevadensis G. D. Butler 1910-6-19 1588 Siskiyou Goosenest foothills Comment
  HSC61918  Lathyrus nevadensis var. nevadensis Ruby Van Deventer 1939-7-18 Siskiyou Poker Flat 1585 Comment
  CDA3780  Lepidium campestre J. R. Grisham 1958-5-15 412 -58 Siskiyou 0 Comment
  HSC101560  Lepidium chalepense J. P. Smith, J. O. Sawyer 2010-5-6 12814 Siskiyou Roadside along Klamath River 536 Comment
  CAS-BOT-BC89183  Lepidium draba Geo. D. Butler 1909-5-10 725 Siskiyou Yreka. Comment
  CAS-BOT-BC89831  Lepidium montanum Dorothy Parker 1948-6-11 s.n. Siskiyou Yreka. Comment
  CDA5625  Lepidium perfoliatum L. Ahart, J. Dittes 2005-6-9 11998 Siskiyou About 300 yards east of where cattle water in the Shasta River, about 3/5 mile (air) south of Highway 99/97 Cutoff, about 2 1/2 miles (air) east-southeast of Grenada. Comment
  UC1126705  Lepidium perfoliatum L. Whitney 1934-6-23 4 Siskiyou Tennant Dorris Quad., Antelope Creek 1463 Comment
  HSC229  Leptosiphon ciliatus William J. Ferlatte 1967-6-27 537 Siskiyou Big Flat, near public campground 1524 Comment
  RSA237980  Leptosiphon harknessii Frederick W. Oettinger 1968-8-8 577 Siskiyou Tobacco Lake meadows. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1890 Comment
  UC165407  Lessingia nemaclada Geo. D. Butler 342 Siskiyou near Greenview Comment
  OBI55427  Lessingia nemaclada David J. Keil 1992-7-20 23486 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
  HSC96499  Leucothoe davisiae Gordon Leppig 1998-8-13 1004 Siskiyou Klamath National Forest, Russian Wilderness, Little Duck Lake Fen 2200 Comment
  HSC4437  Lewisia cotyledon William J. Ferlatte 1966-7-6 190 Siskiyou Caribou Basin 1982 Comment
  RSA237467  Lewisia cotyledon Frederick W. Oettinger 1968-8-5 411 Siskiyou NE slope below English Peak. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2210 Comment
  CAS-BOT-BC444050  Lewisia cotyledon var. cotyledon John M. Tucker 1963-7-7 3713 Siskiyou In vicinity of Paradise Lake, at base on east side of Kings Castle, Marble Mountain Wilderness 1981 Comment
  CAS-BOT-BC444078  Lewisia leeana Gilbert Muth 1966-7-14 382 Siskiyou Upper meadows of Marble Valley, Marble Gap Trail, Marble Mts. 1828 Comment
  UC375330  Lewisia rediviva Geo. D. Butler 1909-4-30 773 Siskiyou near Yreka (<Herzog?> hill) Comment
  CHSC1372  Lewisia triphylla M. Yoder 1941-7-12 Siskiyou Castle Lake. 1981 Comment
  CAS-BOT-BC283811  Leymus cinereus Geo. D. Butler 1910-6-13 1561 Siskiyou Near Yreka Comment
  CAS-BOT-BC283817  Leymus cinereus David D. Keck 1949-7-19 6352 Siskiyou 2 miles S of Grenada 777 Comment
  JEPS68580  Leymus triticoides Geo. D. Butler 1909-6-19 838 Siskiyou near Yreka Comment
  UCD65621  Leymus triticoides Geo. D. Butler 1909-6-19 837 Siskiyou Along creek near Yreka. Comment
  HSC27106  Ligusticum californicum Carl W. Mize 1972-8-17 104 Siskiyou Near Gates Creek 366 Comment
  HSC69351  Ligusticum californicum Maralyn A. Renner 1980-8-21 2570 Siskiyou Kidd Creek 2043 Comment
  RSA453851  Ligusticum californicum M. B. Dunkle 1945-07 9256 Siskiyou Klamath National Forest; Marble Mts. Comment
  SFV8559  Ligusticum californicum J. M. Tucker 1963-8-20 3786 Siskiyou Marble Mountain Wilderness. Headwaters of Canyon Creek. About 0.5 miles northeast of Marble Valley Guard Station. 1921 Comment
  HSC67682  Lilium kelleyanum John S. Palmer 1980-7-24 623 Siskiyou Elk Hole 1503 Comment
  CAS-BOT-BC509359  Lilium kelleyanum Wayne Roderick 1967-7-28 s.n. Siskiyou North of center of the town of Mt. Shasta. In large bog, between old Hwy. and R.R. 1066 Comment
  JEPS61997  Lilium pardalinum Geo. D. Butler 1909-7-20 886 Siskiyou Highland Mine Comment
  CAS-BOT-BC132996  Lilium rubescens Elizabeth McClintock; Wayne Roderick; Martha Roderick 1967-7-29 s.n. Siskiyou Road to Mumbo Basin, Trinity Mts. 1962 Comment
  UCSB24550  Lilium washingtonianum Keefe, Joseph 1967-7-11 Siskiyou 2.3 miles north of Castle Lake, 10 miles southeast of town of Mt. Shasta 1219 Comment
  CAS-BOT-BC133093  Lilium washingtonianum subsp. washingtonianum Albert M. Vollmer; Ira L. Wiggins 1940-7-5 9 Siskiyou 3.5 miles northeast of the town of Mount Shasta 1402 Comment
  UCD168842  Limnanthes alba Peter. F. Zika 2012-5-14 25854 Siskiyou Klamath Range (KR). I-5 southbound, near exit 730 for central Dunsmuir. 750 Comment
  JEPS58290  Linanthus ciliatus Willis L. Jepson Jul 24 1894-Aug 10 1894 20916 Siskiyou Sisson Comment
  HSC4864  Linnaea borealis subsp. longiflora J. O. Sawyer 1968-7-10 519 Siskiyou S side of Sugar Creek. 1616 Comment
  CAS-BOT-BC36009  Lithocarpus densiflorus var. densiflorus Marion Ownbey; Fred G. Meyer 1940-7-8 2231 Siskiyou Siskiyou Mountains, 17 miles north of Happy Camp. Comment
  CAS-BOT-BC36532  Lithocarpus densiflorus var. echinoides Laura Myrtle Lathrop 1903-7-27 s.n. Siskiyou Shasta Retreat Comment
  CAS-BOT-BC432316  Lithophragma campanulatum John Thomas Howell 1937-7-22 13300 Siskiyou S Fork of Salmon River near Big Flat 1524 Comment
  RSA68852  Lithophragma campanulatum A. E. Culbertson 1943-6-26 104 Siskiyou Castle Lake, 5434 , in a north facing cirque with an abrupt 1000 backwall; 14 miles s.w. of Mt. Shasta on n. side of a 6600 eastern spur of Trinity Mts.; 2000 above Sacramento R. within 10 air miles of its headwaters to the west. Comment
  UC1167563  Lithophragma glabrum Gene B. Newcomb and H. G. Baker Mar 28 1959-Mar 29 1959 244 Siskiyou on US Highway 99, 4.5 mi n Yreka City limits 914 Comment
  UC570871  Lithophragma glabrum Dorothy Tebbe 1930-3-28 67 Siskiyou near Weed; near Weed Comment
  HSC62131  Lithophragma heterophyllum Ruby Van Deventer 28 Jun [year missing] Siskiyou Raspberry Lake, 2 mi. W of Copper Mtn. Comment
  RSA184751  Lithophragma heterophyllum Gilbert Muth 1966-7-14 385 Siskiyou Slopes above Marble Valley. Marble Gap Trail. Marble Mtns. 1814 Comment
  CHSC86635  Lithophragma parviflorum Jenny Marr 1993-7-1 18 Siskiyou Butte Valley Wildlife Area, +/- 7 air miles NW of the town of MacDoel. Meadow NW of Meiss Lake. 1349 Comment
  SEINET6032583  Lithophragma parviflorum G. D. Butler 1910-5-8 1307 Siskiyou Near Yreka Comment
  UCD58332  Lithospermum arvense Steve Orloff 2007-5-22 1 Siskiyou On Island Road in Scott Valley just south of Ft. Jones. Comment
  HSC27650  Lithospermum californicum Carl W. Mize 1972-6-8 13 Siskiyou Along Wooley Creek Trail 328 Comment
  SD230185  Lithospermum californicum Louis C. Wheeler 1959-7-24 7589 Siskiyou Salmon & Marble Mountains Region: Ridge between Crawford Creek Gulch. Comment
  UC1239633  Lithospermum californicum Joseph P. Tracy 1939-4-29 16275 Siskiyou 3 mi n mouth of Salmon River; Klamath River 243 Comment
  UC1299480  Lithospermum californicum Freed W. Hoffman 1950-7-11 3759 Siskiyou 12.1 mi Klamath River (at n end of road); Ceder Creek Road Comment
  UC196916  Lolium multiflorum Geo. D. Butler 1909-6-7 827 Siskiyou along creek near Yreka Comment
  CAS-BOT-BC269143  Lolium perenne A. A. Heller 1915-7-18 12125 Siskiyou Metcalf's ranch, northeast base of Mt. Eddy 1188 Comment
  RSA603010  Lolium perenne subsp. multiflorum L. C. Wheeler 1935-6-2 3544 Siskiyou Shasta River; Siskiyou Mts. 732 Comment
  UC165310  Lomatium californicum Geo. D. Butler 1910-5-18 1359 Siskiyou near Yreka Comment
  UC1211906  Lomatium californicum Roy L. Taylor 1960-6-12 4438 Siskiyou n. Yreka (1 mi. w. of junction of Hwy. 96 (Klamath R. rd.) and Hwy. 99, hillsides above Klamath R.) Comment
  UC1246759  Lomatium californicum Howard Scott Gentry 1962-6-7 19753 Siskiyou near Klamath R. along Hwy. 99 609 Comment
  OBI8923  Lomatium macrocarpum Tracey Call, Viola Call 1964-6-22 2279 Siskiyou On Montague Rd. 5 mi W of Mt Hebron town 1554 Comment
  RSA237411  Lomatium macrocarpum Frederick W. Oettinger 1969-7-11 986 Siskiyou Near summit of Little Medicine Mountain (north of Hancock Lake). Salmon Mtns. High Lake Basin in the vicinity of English Peak. Marble Mountain Wilderness Area. 2104 Comment
  RSA78821  Lomatium macrocarpum P. A. Munz 1952-7-2 17899 Siskiyou Baldy Mountain ca. 6 miles west (by air) of Happy Camp. 1738 Comment
  HSC46209  Lomatium piperi Jennifer Whipple 1976-5-2 912 Siskiyou Scott Valley near Weston Gulch on open hillsides 854 Comment
  JEPS91124  Lomatium vaginatum Dean Wm. Taylor with Craig Martz, Joe Molter, Barbara Williams, Julie Nelson 1997-5-4 15983 Siskiyou along Yreka Ditch ca. 4 air mi sw Gazelle (hillslopes of mts., bordering Shasta Valley, China Mountain 7 1/2' USGS quadrangle); Klamath Region, Scott Mountains 960 Comment
  CHSC79486  Lonicera ciliosa G. F. Hrusa 1998-7-5 14682 Siskiyou Northwest California. Siskiyou Mountains. S side of Little Grayback pass on Happy Camp-O'Brien Rd. Ca. side of State Boundary, nr. Indian Ck. Camp. 750 Comment
  HSC4901  Lonicera conjugialis J. O. Sawyer 1968-7-10 467 Siskiyou Floodplain of Sugar Creek near Sugar Lake. 1799 Comment
  LA205970  Lonicera conjugialis Charles Darland; 1940-6-6 sn Siskiyou Castle Lake Comment
  RSA238542  Lonicera conjugialis Frederick W. Oettinger 1967-8-3 231 Siskiyou West side of Little Hancock Lake; Hancock Lake Basin. The Salmon Mtns. High lake basins in the vicinity of English Peak. Marble Mtn Wilderness Area. 2043 Comment
  UC1190106  Lonicera conjugialis Ira L. Wiggins 1955-7-27 13568 Siskiyou Caribou Lake Salmon-Trinity Alps Primitive Area 2042 Comment
  UCD137302  Lonicera conjugialis Jack Major; M. Fleschner, R. Pemble 1966-9-5 s.n. Siskiyou East of Marble Mountain, Marble Mountains. 1716 Comment
  CAS-BOT-BC240844  Lonicera interrupta Wm. Bridge Cooke 1940-6-20 15161 Siskiyou Along the Pacific Highway in the Klamath River gorge Comment
  CAS-BOT-BC240848  Lonicera interrupta Alice Eastwood; John Thomas Howell 1936-6-13 2763 Siskiyou Junction of Klamath and Shasta rivers Comment
  JEPS16020  Lonicera tatarica W. T. Mooney 1903-5-21 Siskiyou Yreka Comment
  CAS-BOT-BC200967  Lotus Arthur Menzies 1962-7-21 s.n. Siskiyou Morgan Meadows, base of Mt. Eddy 1706 Comment
  UC375402  Lotus crassifolius var. crassifolius Geo. D. Butler 1909-5-31 775 Siskiyou Humbug Creek Comment
  POM27605  Lotus denticulatus Geo. D. Butler 1909-6-24 912 Siskiyou Yreka Creek Comment
  CDA27279  Lotus nevadensis T. C. Fuller Jun 1958 1805 Siskiyou Tom Williams property, 4 miles northeast of Montague. 0 Comment
  CDA27282  Lotus nevadensis var. nevadensis G. D. Barbe, J. T. Howell, T. C. Fuller 1980-5-21 2788 Siskiyou West of Motel 6, south of town, north of Greenhorn Creek Road, Yreka. Comment
  UC618758  Lotus oblongifolius var. oblongifolius unknown 1938-7-1 11115 Siskiyou along the creeks from Bear Springs Mount Shasta, Bear Springs 1524 Comment
  UC375399  Lotus purshianus var. purshianus Geo. D. Butler 1910-6-27 1610 Siskiyou Yreka Comment
  UC725417  Lotus purshianus var. purshianus A. A. Heller 1916-8-24 12557 Siskiyou near Sisson 1074 Comment
  UC862228  Lotus purshianus var. purshianus A. A. Heller 1916-6-23 12430 Siskiyou n of Sisson (near Black Butte) 1127 Comment
  HSC666  Lotus unifoliolatus var. unifoliolatus William J. Ferlatte 1967-7-9 682 Siskiyou Kidd Creek Trail 1768 Comment
  POM38070  Ludwigia palustris var. pacifica Geo. D. Butler 1910-7-16 1791 Siskiyou Oro Fino Comment
  HSC29401  Luetkea pectinata Frederick W. Oettinger 1968-8-2 356 Siskiyou Marble Mtn. Wilderness Area, SE corner of Diamond Lake 2073 Comment
  CAS-BOT-BC342566  Luina hypoleuca Doris K. Kildale 1928-8-19 6526 Siskiyou Trail between English Lake & Hancock Lake on way to Marble Mt. 2133 Comment
  RSA78323  Luina hypoleuca P. A. Munz 1952-7-1 17858 Siskiyou Klamath River, 6 miles north of Orleans. 183 Comment
  CHSC82791  Lupinus albicaulis var. shastensis L. P. Janeway 2002-7-12 7627 Siskiyou High Cascade Range. 2.7 km west of the summit of Ash Creek Butte; along west side of Road 19 (Military Pass Road) about 1.6 km south of the National Forest boundary. 1780 Comment
  SBBG13880  Lupinus albifrons H. and M. Dearing 1939-6-4 3544 Siskiyou Fort Jones Comment
  UC640283  Lupinus albifrons H. and M. Dearing 1939-7-3 3812 Siskiyou Etna Comment
  CAS-BOT-BC195962  Lupinus albifrons var. albifrons Lewis S. Rose 1945-6-18 45074 Siskiyou Horse Creek & Klamath River 502 Comment
  CHSC900  Lupinus albifrons var. collinus V. Holt 1937-5-5 Siskiyou Below Dunsmuir. 609 Comment
  RSA104556  Lupinus andersonii var. andersonii Leland S. Smith 1913-5-4 62032 Siskiyou Hornbrook Comment
  UCD77844  Lupinus angustiflorus Robert E. Preston 2001-6-23 1603 Siskiyou Klamath National Forest, n-facing slope of Rainbow Mtn, T42N R1W nw 1/4 of nw 1/4 Section 23 2011 Comment
  JEPS65308  Lupinus arbustus Geo. D. Butler 1909-5-14 705 Siskiyou near Yreka (Klamath Hills); Klamath Hills Comment
  HSC2247  Lupinus aridus Geo. D. Butler 1910-6-4 1500 Siskiyou Shackleford Creek Comment
  UC1181814  Lupinus bicolor Dorothy Parker 1950-4-28 408 Siskiyou along Scott River (Scott Valley); Siskiyou Mountains, along Scott River, Scott Valley 853 Comment
  HSC71759  Lupinus bicolor J. P. Smith, Steve Selva 1970-6-16 4083 Siskiyou Idlewild Campground 808 Comment
  RSA582458  Lupinus bicolor subsp. microphyllus Louis C. Wheeler 1935-5-18 3499 Siskiyou Siskiyou Mountains; Yreka Creek. 854 Comment
  CAS-BOT-BC215172  Lupinus croceus P. Kenney; Conrad; Dunn 1973-6-4 384 A Siskiyou 6.4 miles W of Callahan, along road from Cecilville to Callahan 1737 Comment
  CAS-BOT-BC215195  Lupinus croceus A. A. Heller 1915-7-16 12097 Siskiyou N side of Mount Eddy 1524 Comment
  CHSC914  Lupinus croceus M. Yoder 1941-7-12 Siskiyou Castle Lake. 1950 Comment
  NY15836  Lupinus croceus H. E. Brown 1897-6-11 392 Siskiyou North side of Mt. Shasta 1524.0 Comment
  SD125491  Lupinus croceus var. croceus P. Kenney, M. L. Conrad, D. B. Dunn 1973-6-4 384 Siskiyou 6.4 miles west of Callahan, on steep roadbank along road from Cecilville to Callahan 1737 Comment
  SEINET10485422  Lupinus klamathensis Melvin L. Conrad, David B. Dunn; Katherine L. Morris 1973-6-1 Conrad 6964 Siskiyou Road cut, 0.1 mi. N of hornbrook. 732 Comment
  HSC40978  Lupinus latifolius subsp. viridifolius J. O. Sawyer 1970-7-3 2311 Siskiyou W of Camp 3. Plot 320. Comment
  CHSC102566  Lupinus lepidus var. sellulus L. P. Janeway 2009-8-4 9893 Siskiyou High Cascade Range. Flat open area along Military Pass Road (43N19) 3.4 km east of Military Pass, 6.4 air km northwest of Ash Creek Butte. 1804 Comment
  JEPS44094  Lupinus lepidus var. sellulus W. B. and V. G. Cooke 1965-7-12 35189 Siskiyou Bolam Road Mt. Shasta; , Bolam Road Comment
  JEPS86069  Lupinus lepidus var. sellulus Wayne Roderick 1966-6-26 Siskiyou just e Cook and Green Pass; e of Cook and Green Pass area 1371 Comment
  SBBG10899  Lupinus lepidus var. sellulus H. and M. Dearing 1938-6-28 2180 Siskiyou McCloud Comment
  HSC2251  Lupinus leucophyllus Geo. D. Butler 1910-4-19 1201 Siskiyou Yreka Comment
  UCD107955  Lupinus leucophyllus Freed W. Hoffman 1948-7-8 2417 Siskiyou Scott Bar Lodge, Scott River. Comment
  RSA413776  Lupinus luteolus Bonnie C. Templeton 1960-6-21 8531 Siskiyou Between California State line and the Agricultural Inspection Station Comment
  RSA331949  Lupinus obtusilobus Dave Kelly, Walter Wisura, A. Kelly 1985-7-31 4087 Siskiyou Mount Shasta, end of Everitt Memorial Hwy Comment
  UC1409329  Lupinus polyphyllus var. polyphyllus Frederick W. Oettinger 1969-7-31 1111 Siskiyou boggy area w above English Lake (High Lake Basins in vicinity of English Peak, Marble Mountain Wilderness Area, Salmon Mountains, Western Siskiyou County); Marble Mountain Wilderness Area, Salmon Mountains 1798 Comment
  SEINET10490225  Lupinus sellulus var. artulus Thomas W. Nelson, Jane P. Nelson 1979-6-15 Nelson 4805 Siskiyou China mtn quad. Serpentine along road to carmen lake .6 mi from jct with state Route 3. 1646 Comment
  CAS-BOT-BC436602  Luzula cascadensis Geo. D. Butler 1910-7-9 1701 Siskiyou Shackleford Creek 1219 Comment
  HSC67951  Luzula comosa J. P. Smith 1973-5-5 6513 Siskiyou Along Cook and Green Pass Rd. Comment
  HSC99343  Luzula comosa G. L. Clifton, Griswold 1979-6-28 6134 Siskiyou Near Upper Devils Peak, close to the town of Seiad Valley 1738 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
  UC535929  Luzula comosa var. laxa Elmer I. Applegate 1895-5-28 753 a Siskiyou Sisson, Strawberry Valley Comment
  RSA238892  Luzula comosa var. laxa Frederick W. Oettinger 1969-7-16 1034 Siskiyou Just NE of Abbotts Lake outlet. Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1723 Comment
  HSC22088  Luzula divaricata J. O. Sawyer 1968-7-9 428 Siskiyou W of Little Duck Lake 1936 Comment
  HSC92867  Luzula divaricata Jennifer Whipple 1976-7-23 1518 Siskiyou Dale Creek drainage on the N face of Mt. Eddy 2317 Comment
  RSA233690  Luzula subcongesta Robert F. Thorne, Frederick W. Oettinger 1969-8-10 38951 Siskiyou Mt. Shasta National Forest: S slope of Mt. Shasta, Panther Creek Meadows 2195 Comment
  JEPS48633  Lythrum hyssopifolia Geo. D. Butler 1908-7-16 404 Siskiyou Butlers Ranch near Yreka; Butlers Ranch Comment
  POM52120  Machaeranthera canescens var. shastensis George B. Grant 1902-9-7 5111 Siskiyou Mt. Shasta 2439 Comment
  SEINET11805156  Machaeranthera canescens var. shastensis J. P. Kroessig 1977-1 53 Siskiyou along E margin of Everitt Memorial Hwy, between hwy entrance & Penny Pines Plantation, ca 3 km N of 1220 Comment
  CAS-BOT-BC344003  Madia elegans Geo. D. Butler 1910-5-23 1400 Siskiyou Humbug Mountain 1066 Comment
  CAS-BOT-BC344011  Madia elegans Louis C. Wheeler 1935-6-13 3584 Siskiyou N side Scott River, Scott Bar Mts. 792 Comment
  HSC40203  Madia elegans J. P. Smith 1976-5-5 8680 Siskiyou Road between Sawyers Bar and Somes Bar 488 Comment
  UC165392  Madia elegans Geo. D. Butler 1910-5-27 1413 Siskiyou near Yreka Comment
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Jan 23 2011
  CAS-BOT-BC344017  Madia elegans W. R. Dudley 1899-8-27 s.n. Siskiyou Sisson - near Fish Pond Comment
  HSC43032  Madia exigua J. O. Sawyer, Ken Stillman 1976-7-2 2805 Siskiyou Ridges E of the Little N Fork Trail 732 Comment
  CAS-BOT-BC344543  Madia exigua John Thomas Howell 1980-5-20 53561 Siskiyou Lightning Grade Road between Oro Fino and Fort Jones 868 Comment
  CAS-BOT-BC334665  Madia glomerata Louis C. Wheeler 1934-8-24 3216 Siskiyou Trapper Creek, Siskiyou Mountains 1859 Comment
  CAS-BOT-BC343429  Madia gracilis Alice Eastwood 1917-9-2 6638 Siskiyou Shasta Springs Comment
  CAS-BOT-BC343436  Madia gracilis Wm. Bridge Cooke 1938-7-15 11174 Siskiyou Mt. Shasta 1524 Comment
  JEPS24814  Madia gracilis Rimo Bacigalupi with Drs. Reino and Aloha Alava 1958-9-2 6825 Siskiyou U. S. Forest Service camp ground at Scott road summit, boundary of Siskiyou and Trinity counties Scott Mtn. 1646 Comment
  UC1409494  Madia gracilis Frederick W. Oettinger 1968-9-9 805 Siskiyou between Lower Pond and Tobacco Lake; Salmon Mountains, High Lake Basins, English Peak, Marble Mts 1920 Comment
  POM362186  Madia gracilis subsp. gracilis L. C. Wheeler 1934-9-5 3247 Siskiyou South side Sterling Mountain, Siskiyou Mountains 1982 Comment
  RSA136408  Mahonia aquifolium P. C. Everett, E. K. Balls 1959-10-23 23938 Siskiyou 5.4 mi. nw. from Trinity-Siskiyou Co. line, rd. from Trinity Center to Callaban. 1585 Comment
  HSC18917  Maianthemum racemosum subsp. amplexicaule J. O. Sawyer 1968-6-18 173 Siskiyou Above S Russian Creek on W side. 1463 Comment
  HSC69512  Maianthemum racemosum subsp. amplexicaule Maralyn A. Renner 1980-7-14 1722 Siskiyou Near road at switchback, headwaters of Etna Creek 1707 Comment
  RSA264978  Maianthemum racemosum subsp. amplexicaule G. L. Clifton 1975-7-28 s.n. Siskiyou Near Cook and Green Pass near the Seiad Valley 1646 Comment
  CAS-BOT-BC512763  Maianthemum racemosum subsp. amplexicaule Alice Eastwood 1921-7-31 s.n. Siskiyou Shasta Springs Comment
  HSC77489  Maianthemum stellatum L. P. Janeway 1983-7-17 423 Siskiyou Poker Flat, upper portion of meadow 1524 Comment
  RSA237949  Maianthemum stellatum Frederick W. Oettinger 1967-8-3 235 Siskiyou Along trail SE side of Hancock Lake. The Salmon Mtns. High lake basins in the vicinity of English Peak. Marble Mtn Wilderness Area. 1936 Comment
  SEINET12044215  Maianthemum stellatum E. L. Greene 1876-1 s.n. Siskiyou Yreka Comment
  UCD134395  Malacothrix floccifera Steve Selva; James Payne Smith, Jr 1970-7-15 3974 Siskiyou 1 mile west of junction California 3 and Road 8 leading to Sugar Creek. 1158 Comment
  RSA715947  Marrubium vulgare L. Ahart, John Dittes 2005-6-10 12106 Siskiyou East side of the Shasta River, 20 yards south of the pump house along the Shasta River, about 1.9 miles (air) south of Highway 99/97 cutoff, about 6 miles (air) east-southeast of Grenada. 777 Comment
  UCD78181  Medicago lupulina Robert E. Preston 2008-5-15 2632 b Siskiyou Ca. 3.25 mi N of Somes Bar, along Hwy 96 256 Comment
  CAS-BOT-BC271163  Melica W. R. Dudley 1899-7-5 s.n. Siskiyou Near Bartlett Trail, Preston's Peak, Siskiyou Mountains Comment
  UC1026900  Melica bulbosa W. Bridge Cooke 1940-7-5 15296 Siskiyou above Wagon Camp; Mount Shasta Comment
  CHSC91602  Melica californica G. Douglas Barbe; P. Hiatt, M. Keffer 1980-6-5 2810 Siskiyou Cascade Ranges. Mt. Shasta Reforestation area, north of Mt. Shasta city on Everitt Memorial Hwy to Panther Meadows ski area. 1097 Comment
  HSC2190  Melica californica Lincoln Constance, R. C. Rollins 1942-5-14 2934 Siskiyou Shasta River, 6 mi. N of Yreka. 762 Comment
  CAS-BOT-BC282073  Melica fugax John Thomas Howell 1937-7-21 13155 Siskiyou S Fork of Salmon River near Big Flat 1524 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
  SEINET10599434  Melica harfordii F. Marion Ownbey 1940-7-7 Ownbey 2217 Siskiyou Gravelly soil in open places near summit of Cayenne Ridge, Marble Mountain. Comment
  HSC42951  Melica subulata J. O. Sawyer, K. T. Stillman 1976-7-1 2777 Siskiyou Streamside terraces and lower slopes along the Little N Fork of the Salmon River. 732 Comment
  RSA403532  Melica subulata M. B. Dunkle 1945-1 9261 Siskiyou Klamath National Forest, Marble Mountains. 2439 Comment
  CHSC91344  Melilotus indicus Lowell Ahart; John Dittes 2005-6-9 12011 Siskiyou Pasture field, on the east side of a poor rock fence, about 300 yards east of where cattle water in the Shasta River, about 3/5 mile (air) south of Highway 99/97 Cutoff, about 2 1/2 miles (air) east-southeast of Grenada. 774 Comment
  UC1714374  Mentha canadensis W. Bridge Cooke 1940-6-20 15168 Siskiyou below Hornbrook (near the Pacific Highway); Klamath River Comment
  SBBG30508  Mentzelia D. Myrick 1968-6-22 1996 Siskiyou Lava Beds Nat Monument 1371 Comment
  CHSC75728  Mentzelia albicaulis Vernon H. Oswald; Lowell Ahart 1999-7-5 9798 Siskiyou Gazell-Callahan Hwy. 9.0 mi west of Gazelle. 914 Comment
  UC164048  Mentzelia dispersa Geo. D. Butler 1909-6-12 906 Siskiyou McAdams Creek Comment
  POM83508  Mentzelia dispersa Geo. D. Butler 1909-6-12 906 Siskiyou McAdams Creek. Comment
  RSA239286  Mentzelia laevicaulis Frederick W. Oettinger 1966-7-20 33 Siskiyou Between Cecilville General Store and post office, along Cecilville to Callahan road. Comment
  SJSU6538  Micranthes ferruginea R. W. Trivelpiece 1973-6-28 158 Siskiyou Big Duck L, Scott R drainage c. 7.5 mi W of Callahan 2042 Comment
  CAS-BOT-BC429001  Micranthes fragosa Grace Wood 1919-4-1 s.n. Siskiyou Yreka Comment
  CAS-BOT-BC429258  Micranthes oregana Elmer I. Applegate 1895-5-29 446 Siskiyou Sisson, west base of Mt. Shasta Comment
  HSC67936  Micropus californicus var. californicus J. P. Smith 1973-5-5 6529 Siskiyou Scott Bar along the Scott River Comment
  JEPS100497  Microseris laciniata subsp. detlingii Dean W. Taylor 1999-6-9 17237 Siskiyou Agate Flat, 0.3 miles S of Oregon State Line 1005 Comment
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Feb 26 2006
  UC133485  Microseris laciniata subsp. laciniata Dr. E. B. Copeland 1903-8-13 3818 Siskiyou Sisson 1066 Comment
  UC130567  Microseris nutans H. M. Hall July, 1909 8676 Siskiyou Salmon River Salmon Mountains 1615 Comment
  HSC60800  Microsteris gracilis Ruby Van Deventer 1960-7-7 Siskiyou Bell Echo Camp in Youngs Valley Comment
  HSC39747  Microsteris gracilis J. O. Sawyer 1970-4-4 2088 Siskiyou Along Sugar Creek 823 Comment
  JEPS120238  Mimulus Julie Kierstead Nelson with Brenna Montagne 2012-9-10 2012 -098 Siskiyou Coonrod Flat, east side of Mount Shasta Comment
  POM301676  Mimulus cardinalis Marion Ownbey, Fred G. Meyer 1940-7-6 2179 Siskiyou 3 mi. down the Klamath River from the mouth of Beaver Creek, north side of river. Comment
  HSC420  Mimulus guttatus William J. Ferlatte 1966-8-17 401 Siskiyou NW side of Caribou Mtn. 1982 Comment
  LA209361  Mimulus guttatus W. B. C.; 1938-8-19 11526 Siskiyou Mount Shasta, Along the lower Bear Spring Creek 1523 Comment
  RSA237547  Mimulus guttatus Frederick W. Oettinger 1969-9-4 1671 Siskiyou At spring at Tom Taylor Cabin. The Salmon Mountains. The High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2049 Comment
  RSA535564  Mimulus layneae David M. Thompson 1929-6-29 1023 Siskiyou Near Black Butte, mid-way between Mt. Shasta city and Weed. 1.2 mi N of I-5 interchange (summit Drive/Deetz Road/Truck Village Drive) along N part of Truck Village Drive (E side of I-5). 1200 Comment
  HSC76658  Mimulus lewisii K. T. Stillman 1976-7-22 293 Siskiyou Marble Mtn. Wilderness Area Comment
  JEPS82495  Mimulus moniliformis Gilbert Muth 1965-8-3 153 Siskiyou Marble Valley Marble Mt. Wilderness Area 1792 Comment
  HSC36420  Mimulus moschatus J. O. Sawyer 1968-7-10 522 Siskiyou S side of Sugar Creek. 1616 Comment
  HSC70516  Mimulus moschatus J. P. Smith, Steve Selva 1970-6-15 3921 Siskiyou 10 mi. NW of Forks of Salmon Comment
  HSC72488  Mimulus moschatus J. P. Smith, Steve Selva 1970-6-16 4059 Siskiyou 8 mi. W of Etna on road to Sawyers Bar. 1372 Comment
  RSA105434  Mimulus moschatus G. D. Barbe 1955-6-30 55 Siskiyou 0.6 mile northwest of Forest Camp, Etna. Along Johnson Creek. 915 Comment
  RSA211426  Mimulus moschatus William J. Ferlatte 1967-8-19 1035 Siskiyou Trinity Alps: Along the South Fork of the Salmon River between the campground and Carter's. 1524 Comment
  UCD122797  Mimulus moschatus Jack Major; M. Fleschner, R. Pemble 1966-9-3 s.n. Siskiyou near head of Canyon Creek, east of Marble Mountain, Marble Mountains. 1645 Comment
  HSC90991  Mimulus nanus Jennifer Whipple 1976-8-20 1716 Siskiyou S face of Mt. Eddy draining into the N Fork of the Sacramento River 2470 Comment
  UC1063560  Mimulus nanus var. nanus M. H. Mitchell 1936-5-22 51 Siskiyou Black Crater Modoc Lava Beds Nat'l Monument, Dorris Quadrangle Comment
  UC164054  Mimulus nanus var. nanus Geo. D. Butler 1909-6-29 60 Siskiyou Cherry Creek Comment
  UC1177937  Mimulus nanus var. nanus Francia Chisaki, Gene B. Newcomb 1958-6-22 1159 Siskiyou 9.6 mi from Ft. Jones (between Ft. Jones and Gazelle, on road 9.4 mi s of the turn-off to Duzel Rock); Duzel Rock 1645 Comment
  UC535784  Mimulus primuloides Elmer I. Applegate 1923-8-17 3833 Siskiyou w end Medicine Lake Comment
  UC1409384  Mimulus primuloides subsp. primuloides Frederick W. Oettinger 1968-8-14 519 Siskiyou Bear Meadow Salmon Mountains, Marble Mountain Wilderness Area, Tom's Lak (w Siskiyou Co., high lake basins in vicinity of English Peak) 2186 Comment
  UCD105961  Minuartia douglasii Jesse Miller 2010-1 s.n. Siskiyou Near Yreka.. 1219 Comment
  UC1076039  Minuartia douglasii Herbert L. Mason 1947-5-17 14758 Siskiyou Scott Mt. Rd 5 mi s Callahan Comment
  HSC69347  Minuartia nuttallii subsp. gregaria Maralyn A. Renner 1980-8-21 2592 Siskiyou SW of trail from Leroy Mine to Sunrise Basin near ridge 2287 Comment
  UC1190152  Minuartia nuttallii subsp. gregaria Ira L. Wiggins 1955-4-29 13584 Siskiyou summit of ridge above Thompson Creek (trail to Caribou Lake) 1999 Comment
  UC135706  Minuartia nuttallii subsp. gregaria Dr. E. B. Copeland 1903-8-18 3907 Siskiyou Mt. Eddy 2133 Comment
  UC1540135  Minuartia nuttallii subsp. gregaria Dean Wm. Taylor and Rexford E. Palmer 1987-8-8 9261 Siskiyou Lyons Peak Medicine Lake volcanic highland region (extreme ne portion of co.) 2407 Comment
  UCD63244  Minuartia nuttallii subsp. gregaria Daniel Sanchez-Mata; Tomas Santamaria 2006-7-26 s.n. Siskiyou Weed. Rail Creek Road from Gazelle-Callahan Road. Kangaroo Lake. Kangaroo Lake Botanical Area. Scott Mountains, Klamath National Forest. 1900 Comment
  RSA211229  Minuartia nuttallii subsp. gregaria William J. Ferlatte 1966-8-4 304 Siskiyou Dorleska summit. 2134 Comment
  CAS-BOT-BC181107  Minuartia nuttallii var. gregaria Gilbert J. Muth 1969-8-10 1352 Siskiyou Red Mountain Ridge 2316 Comment
  CAS-BOT-BC181113  Minuartia nuttallii var. gregaria Lillian Mott 1976-7-18 53 LM76 Siskiyou Along road to Lily Pad Lake west of Cook and Green Pass 1463 Comment
  HSC92012  Minuartia stolonifera Thomas W. Nelson, Jane P. Nelson 1979-6-15 4851 Siskiyou Along SR 3 3.1 mi. N of Scott Mtn. Pass 1250 Comment
  RSA47645  Mirabilis greenei Roxana S. Ferris, L. Lorraine 1948-6-12 s.n. Siskiyou Willow Creek, foot of Gazelle Mountain Grade Comment
  RSA276601  Mirabilis greenei George Pilz 1972-5-29 800 Siskiyou 4 miles N of Yreka, above the Shasta River. 700 Comment
  CAS-BOT-BC433021  Mitella diversifolia Alice Eastwood 1923-5-18 11833 Siskiyou Shasta Springs Comment
  UC165274  Mitella diversifolia Geo. D. Butler 1910-5-23 1391 Siskiyou Humbug Mountain 1219 Comment
  HSC4891  Mitella pentandra J. O. Sawyer 1968-7-10 463 Siskiyou Floodplain of Sugar Creek near Sugar Lake. 1799 Comment
  CAS-BOT-BC433061  Mitella pentandra Wm. Bridge Cooke 1938-9-8 11656 Siskiyou Mount Shasta. Squaw Creek, Heather Meadows. On the banks of the Squaw Creek. Also at Panther Creek. Comment
  HSC450  Mitella trifida William J. Ferlatte 1967-6-29 570 Siskiyou Along Yellow Rose Mine Trail 1829 Comment
  HSC86450  Mitella trifida D. K. Imper 1987-6-6 Siskiyou 8 mi. E of Somes Bar 1372 Comment
  RSA238328  Mitella trifida Frederick W. Oettinger 1969-8-12 1346 Siskiyou Below Abbotts Lower Cabin. Salmon Mtns. High Lake Basins in the vicinity of English Peak. Marble Mtn Wilderness Area. 1189 Comment
  HSC78226  Monardella glauca L. P. Janeway 1983-8-28 631 Siskiyou At Poker Flat. Dry W side of lower portion of meadow. 1524 Comment
  JEPS63404  Monardella odoratissima subsp. glauca W. L. Jepson 1894-7 50 c Siskiyou Sisson Comment
  SD88485  Monardella odoratissima subsp. glauca Darley F. Howe 1972-7-5 Siskiyou Near state line on Oregon to Happy Camp road. 1707 Comment
  UC2035802  Monardella odoratissima subsp. glauca Elmer I. Applegate 1935-8-3 10012 Siskiyou North base Caldwell Butte; Lava Beds National Monument Comment
  CAS-BOT-BC220360  Monardella odoratissima subsp. pallida Elizabeth McClintock; Wayne Roderick; Martha Roderick 1967-7-28 s.n. Siskiyou Gumboot Lake, Trinity Mts. 1828 Comment
  CAS-BOT-BC222165  Monardella odoratissima subsp. pallida R. J. Mastrogiuseppe; J. D. Mastrogiuseppe 1974-9-2 162 Siskiyou Above Kidd Creek 1950 Comment
  CDA40926  Monardella odoratissima subsp. pallida Jim Jokerst 1992-7-3 3413 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] 0 Comment
  CAS-BOT-BC220235  Monardella sheltonii Alice Eastwood; John Thomas Howell 1940-6-14 824 Siskiyou Lava Beds Nat. Mon. near Indian Well Comment
  RSA29914  Montia fontana L. C. Wheeler 1935-4-13 3415 Siskiyou Siskiyou Mountains: Seiad Creek, Klamath River. 426 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
  CAS-BOT-BC445208  Montia parvifolia C. L. Hitchcock; J. S. Martin 1939-7-7 5288 Siskiyou Sanger Peak 1780 Comment
  CAS-BOT-BC445204  Montia parvifolia W. R. Dudley 1893-6-23 s.n. Siskiyou Castle Crag, region of Mt. Shasta Comment
  RSA654054  Muhlenbergia andina Beecher Crampton 1956-8-21 3837 Siskiyou Lower slopes of White Ridge, canyon of the South Fork of the Sacramento River. Comment
  UC711878  Muhlenbergia asperifolia Roxana S. Ferris and Laura Lorraine 1941-8-11 10502 Siskiyou on US Hwy 97 Grass Lake Station 1554 Comment
  CHSC61580  Muhlenbergia filiformis L. P. Janeway 1983-8-16 543 Siskiyou Siskiyou Mountains; at Poker Flat, meadow. 1524 Comment
  SEINET206452 Image available Muhlenbergia filiformis Rimo Bacigalupi, Mr. Deventer; Mrs. Deventer 1959-7-10 7308 Siskiyou Meadow at Twin Valley Siskiyou Mts. just east of Del Norte County line; 4 air-line miles north-northeast of Preston Peak. 1494 Comment
  CAS-BOT-BC267040  Muhlenbergia filiformis Copeland 1903-9-5 s.n. Siskiyou Igerna Comment
  JEPS117462  Myosotis laxa Lowell Ahart, John Dittes 2010-7-30 16944 Siskiyou On the north side of a water ditch, at the edge of the dry upland, about 80 yards west of the pipe across the Shasta River, about 200 yards east of the East Louie Road Bridge, about 30 yards south of the Shasta River, Shasta Big Springs Ranch, 1.6 miles ( 716 Comment
  UC9332  Myosurus minimus Mrs. R. M. Austin June, 1894 Siskiyou Pot Hole Springs Comment
  HSC30468  Najas flexilis Frederick W. Oettinger 1969-8-23 1511 Siskiyou Salmon Mtns., Smith Lake. 1418 Comment
  CHSC2300  Narthecium californicum V. Holt 1932-7-10 Siskiyou Mt. Eddy. 2133 Comment
  UCD139967  Narthecium californicum A. H. Murphy 1956-8-16 56 S Siskiyou Big Marshy Meadows. Klamath National Forest. 1981 Comment
  HSC30433  Narthecium californicum Frederick W. Oettinger 1968-9-8 791 Siskiyou Marble Mtn. Wilderness Area. NE of English Lake 1936 Comment
  UC163862  Navarretia divaricata Geo. D. Butler 1908-8-8 104 Siskiyou lake at head of West Fork of Woolly Creek West Fork of Woolly Creek Comment
  JEPS19746  Navarretia leucocephala subsp. minima Rimo Bacigalupi with S. Galen Smith 1957-6-27 5978 Siskiyou 4.0 mi sw Dorris (along U.S. Highway 97); Butte Valley 1280 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
  RSA495513  Nemophila parviflora var. parviflora Elaine Joyal, D. Mehlman 1988-6-25 1273 Siskiyou Happy Camp - Takilma road at turn-off to Bolan Lake 1524 Comment
  UC164108  Nemophila pedunculata Geo. D. Butler 1909-4-7 658 Siskiyou near Yreka; near Yreka Comment
  JEPS12279  Nicotiana attenuata W. L. Jepson 1940-6-23 19989 Siskiyou e of Mayten (e side of Little Shasta Valley); Little Shasta Valley 883 Comment
  JEPS12282  Nicotiana attenuata Geo. D. Butler 1908-6-28 17 Siskiyou Oro Fino 762 Comment
  JEPS107919  Nitrophila occidentalis Lowell Ahart, John Dittes 2005-6-9 12005 Siskiyou Meadow area along a small drainage, on the east side of a poor rock fence, about 300 yards east of where cattle water in the Shasta River, about 3/5 mile (air) south of Highway 99/97 Cutoff, about 2 1/2 miles (air) east-southeast of Grenada 774 Comment
  CAS-BOT-BC60594  Noccaea fendleri subsp. glauca C. L. Hitchcock; J. S. Martin 1939-7-7 5278 Siskiyou Whiskey Lake, 0.5 mile above Camp Chicago, on Sanger Peak Trail. 1463 Comment
  HSC19125  Nothochelone nemorosa J. O. Sawyer 1969-8-18 1979 Siskiyou S of S Sugar Lake 2104 Comment
  HSC19129  Nothochelone nemorosa J. O. Sawyer 1969-7-23 1167 Siskiyou Near Horse Range Creek. 1341 Comment
  HSC69388  Nothochelone nemorosa Maralyn A. Renner 1980-8-31 2663 Siskiyou Poker Flat at trailhead to Twin Valley 1524 Comment
  RSA215645  Nothochelone nemorosa Gilbert Muth 1969-8-6 1198 Siskiyou Boulder Peak. 2530 Comment
  RSA96849  Nothochelone nemorosa Percy C. Everett, E. K. Balls 1954-10-13 20290 Siskiyou Indian Creek Road to Obrien, 20.5 mi NW of Hwy 96 at Happy Camp. 1524 Comment
  UCD110225  Notholithocarpus densiflorus var. echinoides B. Crampton 1956-8-21 3850 Siskiyou Canyon of the Sacramento River just the junction of the North Fork with Middle and South Forks. 1066 Comment
  CAS-BOT-BC140349  Oemleria cerasiformis Doris K. Kildale 1929-4-27 7506 Siskiyou Cecilville Comment
  POM108009  Olsynium douglasii Geo D. Butler 1910-3-11 1123 Siskiyou Yreka Hills. Comment
  SEINET4171086 Image available Olsynium douglasii Sandra L. Holloway 1963-4-9 18 Siskiyou Road to Pythian Cave, between Yreka and Grenada, west of U.S. Highway 99 762 Comment
  JEPS66884  Opuntia fragilis Beatrice Wise Siskiyou Shasta Valley Comment
  SEINET8225553  Oreostemma alpigenum J. Kierstead 1990-7-18 90 -103 Siskiyou Mt. Shasta Ranger Dist.; Gumboot Creek, south side of Mt. Eddy, 100 yards wouth of Forest Service Rd. 40N26. 1676 Comment
  CAS-BOT-BC355593  Oreostemma alpigenum var. andersonii Doris K. Kildale 1929-8-24 9108 Siskiyou Rattlesnake Meadow, Preston Peak 1676 Comment
  HSC29218  Oreostemma alpigenum var. andersonii Frederick W. Oettinger, R. F. Thorne 1969-8-4 1180 Siskiyou Marble Mtn. Wilderness Area, N of Tobacco Lake 1890 Comment
  HSC82354  Oreostemma alpigenum var. andersonii Thomas W. Nelson, Jane P. Nelson, J. P. Smith 1978-7-24 4523 Siskiyou Trinity-Siskiyou County line; At head of Scott Mtn. Creek S of Forest Service Campground 1646 Comment
  CAS-BOT-BC500187  Orobanche fasciculata W. R. Dudley 1893-6-1 s.n. Siskiyou Castle Crag Trail, near Mt. Shasta Comment
  UC164090  Orobanche uniflora subsp. occidentalis Geo. D. Butler 1909-4-4 730 Siskiyou Shasta Valley between Yreka and Montague. Comment
  RSA0059263  Orobanche uniflora subsp. occidentalis George D. Butler 1909-4-4 730 Siskiyou Shasta Valley Comment
  UC1400367  Orogenia fusiformis Frederick W. Oettinger 1969-7-13 999 Siskiyou campsite at n.e. corner Upper English Lake; Salmon Mts., High Lake Basins, English Peak vicinity, Marble 1767 Comment
  HSC19208  Orthilia secunda J. O. Sawyer 1968-9-28 748 Siskiyou Along ridge NE of Orleans Mtn. 1677 Comment
  RSA0083198  Orthilia secunda William J. Ferlatte 1966-8-3 269 Siskiyou Along the south fork of the Salmon River between the campground and Carter's. 1524 Comment
  NY90839  Orthocarpus copelandii E. B. Copeland 1903-8-18 s.n. Siskiyou Mt. Eddy 2133.6 Comment
  HSC69104  Orthocarpus cuspidatus subsp. copelandii Maralyn A. Renner 1980-8-4 2226 Siskiyou Flint Valley 1390 Comment
  SBBG25932  Orthocarpus cuspidatus subsp. copelandii D. Myrick 1966-8-10 1532 Siskiyou Salmon Crk Trail at Mountain Meadow Ranch, Big Flat 1676 Comment
  UC2026467  Orthocarpus cuspidatus subsp. copelandii Louis C. Wheeler 1958-8-21 7412 Siskiyou Siskiyou Mountains. Lily Pad Lake. Comment
  RSA237571  Orthocarpus cuspidatus subsp. copelandii Frederick W. Oettinger 1967-8-12 251 -b Siskiyou Between Tom Taylor Cabin meadows and the large meadow northwest of English Peak Lookout. The Salmon Mountains. The High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2104 Comment
  POM43512  Orthocarpus hispidus Geo. D. Butler 1910-6-6 1461 Siskiyou Quartz Valley. Comment
  UC1713697  Orthocarpus pachystachyus Edward Lee Greene 1876-1 Siskiyou Yreka Comment
  CAS-BOT-BC413215  Oxyria digyna K. T. Stillman 1976-7-15 256 Siskiyou Marble Mountain Wilderness Area 1950 Comment
  HSC92968  Oxyria digyna Jennifer Whipple 1976-7-25 1574 Siskiyou N face of Mt Eddy 2378 Comment
  RSA211284  Oxyria digyna William J. Ferlatte 1966-8-5 350 Siskiyou Caribou Mtn., Open granite slopes and ridges. Near summit. 2470 Comment
  CAS-BOT-BC316761  Packera cana Marion L. Campbell 1916-7-15 s.n. Siskiyou Moraine Lake to Arroyo Creek Comment
  UC585147  Packera cana E. B. Babcock, G. L. Stebbins Jr. 1936-6-11 1957 Siskiyou about 2 mi s Sheep Rock (on highway from Bray to Weed); n slope Mt. Shasta 1249 Comment
  CAS-BOT-BC316755  Packera cana William Bridge Cooke 1940-8-22 15475 Siskiyou along the west rim of Mud Creek Canyon 2743 Comment
  CAS-BOT-BC28833  Paeonia brownii A. A. Heller 1905-6-8 7994 Siskiyou Yreka Comment
  HSC74834  Panicum capillare var. capillare J. P. Smith, J. O. Sawyer 1978-7-3 10003 Siskiyou Klamath National Forest, Williams Point along the Klamath River, S of Hwy. 96 Comment
  RSA238306  Parnassia californica Frederick W. Oettinger 1967-8-21 310 Siskiyou Northwest of Pine Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1878 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
  CHSC78534  Parnassia cirrata var. cirrata Vernon H. Oswald 2000-8-28 9954 Siskiyou East border of Kangaroo Lake. 1853 Comment
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May 8 2007
  JEPS50863  Parnassia fimbriata Al Hobart 1967-8-8 Siskiyou above Raspberry Lake (Preston Peak, westernmost Siskiyou County); Preston Peak 1584 Comment
  CAS-BOT-BC202853  Paxistima myrsinites Doris K. Kildale 1929-7-21 8740 Siskiyou Elk Lick, south fork Indian Creek 1219 Comment
  RSA120709  Pedicularis attollens S. S. Tillett 1956-7-11 686 Siskiyou Meadows on both sides of Scott Mtn. divide, near campground; Siskiyou-Trinity cos. line, about 8 miles SE of Callahan 1616 Comment
  RSA211404  Pedicularis attollens William J. Ferlatte 1966-8-17 396 Siskiyou Caribou Basin; Trinity Alps. 1982 Comment
  POM43388  Pedicularis aurantiaca Geo. D. Butler 1324 Siskiyou Goosenest foothills. 1524 Comment
  CAS-BOT-BC266652  Pedicularis bracteosa var. flavida W. R. Dudley 1899-8-24 s.n. Siskiyou On Craggy Peak Comment
  UC220831  Pedicularis densiflora H. E. Brown Jun 11 1897-Jun 16 1897 356 Siskiyou northside Mount Shasta 1524 Comment
  RSA238824  Pedicularis flavida Frederick W. Oettinger 1968-8-3 378 Siskiyou Base camp near Diamond Lake. Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2012 Comment
  UCD123373  Pedicularis groenlandica J. M. Tucker; D. V. Hemphill 1974-7-26 4293 Siskiyou Let 'Er Buck Meadows, ca. 0.5 mile southeast of Haypress Meadows, Marble Mountain Wilderness Area. 1432 Comment
  HSC27341  Pedicularis howellii J. P. Smith, J. O. Sawyer, Maralyn O'Meara 1972-7-3 5704 Siskiyou E slope of Kangaroo Mtn., above Toehead Lake. 1890 Comment
  UCR131622  Pedicularis racemosa L. C. Wheeler 1934-6-7 2659 Siskiyou Siskiyou Mountains, North Hungry Creek 1311 Comment
  RSA758223  Pedicularis racemosa Robert F. Thorne 1969-8-2 63323 Siskiyou Klamath National Forest, Salmon Mountains, Marble Mountain Wilderness Area, high lake basins in the vicinity of English Peak Comment
  SBBG26839  Pedicularis racemosa L. C. Wheeler 1934-6-12 2702 Siskiyou Hungry Crk, Mt. Diablo 1280 Comment
  CAS-BOT-BC67688  Pellaea brachyptera W. R. Dudley 1899-8-9 s.n. Siskiyou Black Butte Comment
  IRVC4790  Pellaea brachyptera William B. Cooke 1941-9-5 16275 Siskiyou MacBride Springs Mt. Shasta Comment
  RSA686812  Pellaea brachyptera L. L. Kiefer 1963-8-9 721 Siskiyou West of town of Mount Shasta, county road off road to Castle Lake, between Wagon and Deer Creek bridges 1220 Comment
  UC705509  Pellaea brachyptera Marion Ownbey and Fred G. Meyer 1940-7-6 2198 Siskiyou near summit Cayenne Ridge (s side Marble Mt); Marble Mt Comment
  UC371158  Pellaea breweri G. D. Butler 1908-8-8 240 Siskiyou Marble Valley 1676 Comment
  JEPS26526  Penstemon anguineus Lauramay T. Dempster 1961-7-2 1865 Siskiyou sw Etna (just ne of Salmon Summit); ne of Salmon Summit, sw of Etna 1828 Comment
  JEPS7208  Penstemon anguineus Geo. D. Butler 1908-8-4 432 Siskiyou head of Shackleford Creek 1676 Comment
  RSA12504  Penstemon anguineus Carl B. Wolf 1934-7-4 5932 Siskiyou Horse Creek Rd to Dry Lake Lookout, Siskiyou Mtns. 12 miles from Horse Creek Bridge on Klamath River. 1311 Comment
  JEPS74563  Penstemon anguineus W. J. Ferlatte 1966-8-5 325 Siskiyou n side Caribou Mtn Trinity Alps, n side of Caribou Mtn 1981 Comment
  SD88544  Penstemon anguineus Darley F. Howe 1972-8-5 Siskiyou Happy Camp Road from Oregon near state line 1707 Comment
  UC1222496  Penstemon anguineus Joseph P. Tracy 1951-6-16 19474 Siskiyou near State Line (summit of the Siskiyous, at crossing of Takilma-Happy Camp Road near State Line (Oregon to Calif.)); Siskiyous aummit Comment
  HSC62464  Penstemon azureus Ruby Van Deventer 1939-7-18 Siskiyou Twin Valley Comment
  CAS-BOT-BC265372  Penstemon davidsonii var. davidsonii Elmer I. Applegate 1931-6-24 6806 Siskiyou Near summit of ridge between Modoc Lava Beds and Medicine Lake Comment
  NY590179  Penstemon davidsonii var. davidsonii M. S. Baker 06 1893 s.n. Siskiyou Medicine Lakes Comment
  HSC67773  Penstemon deustus J. O. Sawyer, J. Cole 1980-7-20 3792 Siskiyou E side of Grouse Hill 2134 Comment
  HSC67812  Penstemon deustus J. O. Sawyer, J. Cole 1980-7-21 3826 Siskiyou N of FS Rd. 44N01 near intersection with road to Lava Camp. 1677 Comment
  HSC19130  Penstemon deustus J. O. Sawyer 1969-6-12 871 Siskiyou SE upper slope above Sugar Creek 1707 Comment
  POM237613  Penstemon deustus subsp. deustus C. Leo Hitchcock, J. S. Martin 1939-7-7 5293 Siskiyou North side of Sanger Peak. 1646 Comment
  SFV5160  Penstemon deustus var. suffrutescens B. C. Templeton 1960-6-21 8527 Siskiyou Between the agricultural Experiment Station and the California state line._x000B_Grassy hillside. Comment
  CHSC30326  Penstemon gracilentus M. S. Taylor 1980-8-19 3269 A Siskiyou On se side of 42N50, on Hemlock Ridge, ca. 7.5 mi s of Tennant. 1828 Comment
  JEPS11273  Penstemon gracilentus W. L. Jepson 1940-6-27 20035 Siskiyou e slope Mt. Shasta 1828 Comment
  UC61051  Penstemon gracilentus W. A. Setchell, C. C. Dobie 1902-7-16 Siskiyou Sisson , Sisson (Mount Shasta) Comment
  NY600699  Penstemon gracilentus K. A. Vincent 1987-6-29 4444 Siskiyou Cascade Range, Butte Mountain; along Butte Mountain Road, ca. 3.6 miles west of junction Meiss Lake Road, located 7.2 miles west of junction US 97 on south side of MacDoel. 1828.8 Comment
  RSA78950  Penstemon gracilentus E. K. Balls, Percy C. Everett 1952-10-12 18177 Siskiyou 3.1 mi W of boundary of Lava Beds Nat'l Monument on road from Indian Well Ranger Station to Tennant. 1372 Comment
  NY601602  Penstemon heterodoxus var. shastensis W. L. Jepson 1940-7-1 20077 Siskiyou Fowlers Camp, McCloud River, 6 miles east of McCloud 975.4 Comment
  HSC72451  Penstemon heterophyllus J. P. Smith, Steve Selva 1970-6-15 3973 Siskiyou 1 mi. W of junction of Hwy. 3 and Rd. 8 leading to Sugar Creek 1159 Comment
  JEPS11612  Penstemon laetus var. sagittatus W. L. Jepson 1940-6-23 20026 Siskiyou Andesite Sta. n of Mt. Shasta, Andesite Sta. 975 Comment
  JEPS44098  Penstemon laetus var. sagittatus W. B. and V. G. Cooke 1965-7-17 35178 Siskiyou Bolam Road , Bolam Road (Mt. Shasta) 1524 Comment
  SD98974  Penstemon laetus var. sagittatus Darley F. Howe 1977-7-5 5000 Siskiyou 15 mi. SE of Granada 1219 Comment
  UC1034026  Penstemon laetus var. sagittatus Francis W. Pennell 1940-7-19 26193 Siskiyou southwestern slope Mount Shasta; sw slope of Mount Shasta 1676 Comment
  UC1341739  Penstemon laetus var. sagittatus Noel H. Holmgren, James L. Reveal 1966-6-9 2678 Siskiyou US 97, 4 mi n Weed; Shasta Valley, n of Weed 1158 Comment
  UC722757  Penstemon laetus var. sagittatus C. L. Hitchcock, J. S. Martin 1939-7-6 5210 Siskiyou on Takilma-Happy Camp Road 1676 Comment
  NY604573  Penstemon laetus var. sagittatus W. B. Cooke 1972-6-30 45409 Siskiyou Andesite - Military Pass Road, Mount Shasta. Along dirt road just beyond berm. 5000 Comment
  RSA12568  Penstemon laetus var. sagittatus Carl B. Wolf 1934-7-6 6018 Siskiyou SW slope of Mt Shasta, about 2.5 mi NW of Wagon Camp. 1524 Comment
  HSC29276  Penstemon newberryi Frederick W. Oettinger 1968-9-1 655 Siskiyou Marble Mtn. Wilderness Area, cliffs E of Abbott's Lake 1799 Comment
  HSC86631  Penstemon newberryi D. K. Imper Jun 1987 Siskiyou 8 mi. E of town of Mt. Shasta, S side of Red Butte 2134 Comment
  JEPS101482  Penstemon newberryi var. berryi Dean W. Taylor 1972-7-3 1611 Siskiyou Salmon Mountains, near Little Duck Lake 1981 Comment
  UCSB24889  Penstemon newberryi var. newberryi Keefe, Joseph 1967-7-11 Siskiyou Near summit of hill by Little Castle Lake, south of Castle Lake, 10 miles southwest of town of Mt. Shasta 2011 Comment
  HSC81519  Penstemon parvulus Thomas W. Nelson, Jane P. Nelson 1980-7-20 6168 Siskiyou Above and to SE of Big Carmen Lake 1738 Comment
  UC164357  Penstemon parvulus Geo. D. Butler 1909-7-15 937 Siskiyou Highland Mine Comment
  HSC81757  Penstemon parvulus Thomas W. Nelson, Jane P. Nelson 1980-7-19 6192 Siskiyou Along FS Rd. 40N17 at trail head to Mavis Lake 1707 Comment
  SEINET5323604 Image available Penstemon procerus var. brachyanthus G. Butler 1910-7-10 1739 Siskiyou Shacksleford Creek, upper Campbell Lke 1372 Comment
  CHSC86679  Penstemon roezlii Jenny Marr 1993-7-1 65 Siskiyou Butte Valley Wildlife Area, +/- 7 air miles NW of the town of MacDoel. Meadow NW of Meiss Lake. 1349 Comment
  POM252936  Penstemon shastensis A. A. Heller 1938-7-13 15269 Siskiyou Along US Hwy 97, just south of Bray. 1402 Comment
  RSA233702  Penstemon shastensis Robert F. Thorne, Frederick W. Oettinger 1969-8-10 38971 Siskiyou Mt. Shasta National Forest: S slope of Mt. Shasta, Panther Creek Meadows. 2195 Comment
  RSA297052  Penstemon shastensis John F. Emmel 1974-7-23 524 Siskiyou 1 air miles SE of Bartle, just N of hwy 89 (0.5 road mile W of railroad crossing). 1210 Comment
  CHSC118594  Penstemon speciosus Richard R. Halse 2016-5-29 9721 Siskiyou Along Hilt Road by its junction with Interstate Hwy. 5, east of Hilt. 939 Comment
  JEPS69754  Penstemon speciosus W. B. and V. G. Cooke 1972-7-6 45458 Siskiyou along Mud Creek Dam Road (Mt. Shasta); , along Mud Creek Dam Road 1066 Comment
  UC164359  Penstemon speciosus Geo. D. Butler 1909-6-20 430 Siskiyou near Yreka; near Yreka Comment
  SEINET5329863 Image available Penstemon speciosus G. Butler 1910-5-18 1360 Siskiyou near Yreka Comment
  HSC97691  Penstemon spectabilis Thomas W. Nelson, Jane Nelson 2006-7-1 9448 Siskiyou Along USFS Rd. 4319, Military Pass Rd., The Whaleback 1392 Comment
  CAS-BOT-BC540345  Perideridia gairdneri subsp. gairdneri Dana York 2011-9-8 3089 Siskiyou Marble Mountain Wilderness: Klamath National Forest, slopes of Kings Castle 2175 Comment
  RSA14390  Perideridia howellii Elmer I. Applegate 1923-8-21 3915 Siskiyou Willow Creek, south of Lower Klamath Marsh Comment
  SEINET12122372  Perideridia oregana Unknown 1986-1 60331 Siskiyou NE of Weed, between Herd Mt. & Miller Mt., Miller Mt. Rd (45N22) at int with rds to Davis Gulch, 1018 Comment
  JEPS121603  Perideridia parishii Jennifer Buck, Deborah Stout 2011-8-24 Siskiyou Middle Fork Sacramento River headwaters, east slope of the Eddys, near Toad Lake. Gently sloping open meadow within lodgepole pine forest on ultramafic soil. W aspect. Mount Eddy quadrangle. TL01A Comment
  JEPS74554  Perideridia parishii subsp. latifolia W. J. Ferlatte 1966-8-16 371 Siskiyou Big Flat Hillside seep forming boggy meadow Trinity Alps (between campground and S. Fork of the Salmon R.) 1524 Comment
  UC672408  Phacelia Herbert L. Mason 1931-5-9 5867 Siskiyou Shasta Creek Comment
  JEPS55965  Phacelia corymbosa John Thomas Howell 1939-8-4 15042 Siskiyou Marble Rim Marble Mts. 1889 Comment
  JEPS57168  Phacelia corymbosa L. R. Heckard 1967-8-13 1708 Siskiyou edge of summit fell-field Mt. Eddy 2743 Comment
  RSA0003820  Phacelia corymbosa W. L. Jepson 1914-8-14 6161 Siskiyou Dunsmuir. 671 Comment
  SEINET5759868  Phacelia dalesiana W. Roderick, D. Parker 1967-7-25 s.n. Siskiyou Scott Mts., Kangaroo Lake 1981 Comment
  JEPS33176  Phacelia greenei Roxana S. Ferris and Laura Lorraine Jun 12 1948-Jun 16 1948 11718 Siskiyou Plowman's Valley (Noyes Valley), e. fork of Scott River, Schoolhouse Hill Schoolhouse Hill; e. fork of Scott River, Plowman's Valley (Noyes Valley) Comment
  UC1475690  Phacelia greenei Clifton and Ground 1978-6-13 1001 Siskiyou near Forest House (close to town of Yreka); Yreka Quadrangle 1037 Comment
  HSC67820  Phacelia hastata J. O. Sawyer, J. Cole 1980-7-20 3773 Siskiyou S of Grouse Hill, at N base of Badger Peak 2146 Comment
  HSC67835  Phacelia hastata J. O. Sawyer, J. Cole 1980-7-22 3920 Siskiyou NW slopes of Cedar Mtn. 1524 Comment
  UC642520  Phacelia hastata subsp. compacta W. B. Cooke 1940-8-22 15477 Siskiyou Mud Creek Canyon Mount Shasta (along w rim) Comment
  UCD77218  Phacelia hastata subsp. compacta Robert E. Preston 2001-7-21 1734 Siskiyou Klamath National Forest, Rainbow Mountain, T42N R1W se 1/4 of ne 1/4 Section 22 2194 Comment
  UCSB51236  Phacelia hastata subsp. compacta Almanza, Ed 1976-7-13 Siskiyou McBride campground, Mt. Shasta 1493 Comment
  HSC77056  Phacelia heterophylla subsp. virgata K. T. Stillman 1976-8-7 187 Siskiyou Marble Mtn. Wilderness Area 1951 Comment
  RSA715801  Phacelia heterophylla subsp. virgata L. Ahart, John Dittes 2005-6-9 12026 Siskiyou Hill, south of a rock fence, about 100 yards northeast of where cattle water in the Shasta River, about 3/5 mile (air) south of Highway 99/97 cutoff, about 2 1/2 miles (air) east-southeast of Grenada. 775 Comment
  POM73592  Phacelia heterophylla subsp. virgata Geo. D. Butler 1910-5-7 1300 Siskiyou Near Yreka. Comment
  RSA211171  Phacelia humilis var. humilis W. J. Ferlatte 257 Siskiyou Mountain Meadow Ranch. 1524 Comment
  HSC61875  Phacelia leonis Ruby Van Deventer 1960-7-13 Siskiyou Poker Flat 1585 Comment
  CHSC69480  Phacelia mutabilis James D. Jokerst 1992-7-30 3418 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
  HSC2372  Phacelia mutabilis William J. Ferlatte 1966-6-23 146 Siskiyou Big Flat, near public camp 1524 Comment
  UC1483455  Phacelia mutabilis Maralyn A. Renner 1980-7-23 1924 Siskiyou Pacific Crest Trail on w side Upper Devils Peak; Klamath National Forest, Seiad Valley Quad. 1767 Comment
  UC901811  Phacelia mutabilis L. Constance, J. F. Davidson, B. Kasipligil, and H. L. Mason 1950-7-16 3359 Siskiyou e side Little Grayback Peak (summit of Happy Camp-Waldo rd) 1524 Comment
  UCD77216  Phacelia mutabilis Robert E. Preston 2001-7-21 1741 Siskiyou Klamath National Forest, Rainbow Mountain, T42N R1W sw 1/4 of ne 1/4 Section 22 2255 Comment
  RSA120315  Phacelia pringlei S. S. Tillett 1956-7-9 647 Siskiyou South slope of Scott Mountain, Siskiyou-Trinity County line, ca. 8 miles southeast of Callahan. 1951 Comment
  RSA166761  Phacelia procera H. Dearing, M. Dearing 1939-7-1 3777 Siskiyou Salmon Mts. 1829 Comment
  CAS-BOT-BC141449  Phacelia ramosissima var. eremophila Elmer I. Applegate 1935-6-5 9300 Siskiyou Capt. Jack's Stronghold, Lava Beds National Monument Comment
  CAS-BOT-BC159068  Phacelia ramosissima var. eremophila Wm. Bridge Cooke 1940-6-20 15135 Siskiyou Near a spring along the Pacific Highway in Gorge at confluence of Shasta and Klamath Rivers 609 Comment
  UCD77959  Phacelia scariosa Robert E. Preston 2001-6-23 1571 Siskiyou Klamath National Forest, n slope of Rainbow Mtn, at Hemlock Lake, T42N R1W se 1/4 of se 1/4 Section 14 1889 Comment
  JEPS73749  Phalaris canariensis George D. Butler 1908-6-25 488 Siskiyou Butler's Ranch near Yreka; Butler's Ranch Comment
  UC329950  Philadelphus lewisii unknown 1889-6-26 Siskiyou Edgwood Comment
  RSA602583  Phleum alpinum L. C. Wheeler 1935-7-26 3713 Siskiyou Jaynes Canyon; Siskiyou Mountains. (Mt. Diablo Mer.) 1951 Comment
  HSC70731  Phleum pratense Ruby Van Deventer 1955-8-5 Siskiyou Forest Service Rd. 17N04 Comment
  HSC61882  Phlox adsurgens Al Hobart, V. S. 1969-6-18 Siskiyou Poker Flat 1585 Comment
  CHSC3383  Phlox diffusa Alice L. Stoll 1966-5-14 202 Siskiyou 7 miles S.E. of Callahan. Alongside the Old Oregon Stage Road. 1219 Comment
  JEPS25568  Phlox diffusa Rimo Bacigalupi with George Bacigalupi Jr. 1959-7-1 7193 Siskiyou just e Mt. Shasta Ski Bowl Lodge (at upper end of Everitt Highway, sw slopes of Mt. Shasta); Mt. Shasta 2346 Comment
  JEPS71115  Phlox gracilis J. W. Kisling Mar 1910 Siskiyou Edgewood Comment
  UC163991  Phlox gracilis Geo. D. Butler 1910-3-28 1148 Siskiyou Yreka Comment
  CAS-BOT-BC232823  Phlox hirsuta Alice Eastwood; John Thomas Howell 1934-4-20 1751 Siskiyou Near Yreka on Ft. Jones road Comment
  HSC46737  Phlox hirsuta William J. Ferlatte 1978-5-28 1904 Siskiyou NE of Yreka, .4 mi. E of I-5, .2 mi. N of Hwy. 3 on way to Montague 830 Comment
  RSA468395  Phlox hoodii subsp. canescens Christopher Davidson 1975-6-5 2682 Siskiyou 0.8 mi N of Scott Mtn Summit on Hwy 3. 1585 Comment
  SEINET7042831  Phlox speciosa 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
  RSA469943  Phlox speciosa subsp. occidentalis B. C. Templeton 1960-6-21 8551 Siskiyou Near the summit of Scott Mt. Comment
  JEPS84106  Phoenicaulis cheiranthoides L. R. Heckard with J. Hickman et al. 1986-7-17 6545 Siskiyou 1 mi ne of Buckhorn 2100 Comment
  CDA22368  Phoradendron densum L. Ahart, J. Dittes 2005-6-1 12068 Siskiyou South of a poor dirt road, about 90 yards northwest of the pump house along the Shasta River, about 1.9 miles (air) south of Highway 99/97 Cutoff, about 6 miles (air) east-southeast of Grenada. Comment
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Oct 5 2019
  HSC30282  Phoradendron juniperinum William J. Ferlatte 1969-6-25 1184 Siskiyou Big Flat 1524 Comment
  UC618899  Phyllodoce empetriformis W. Bridge Cooke 1938-7-21 11291 Siskiyou Mount Shasta, Heather Meadow, Panther Creek, (feature of the meadows at Panther and Squaw Creeks) Panther Creek; Mount Shasta, Heather Meadow, Panther Creek 2286 Comment
  CAS-BOT-BC60772  Physaria occidentalis Alice Eastwood 1912-8-30 2024 Siskiyou Mount Eddy. Comment
  LA208020  Physocarpus capitatus Louis C. Wheeler; 1934-7-5 2877 Siskiyou Siskiyou Mountains, Beaver Creek at Dear Creek 975 Comment
  CAS-BOT-BC78160  Picea breweriana Peter M. Bennett s.n. Siskiyou head of Know-Nothing Creek, Salmon Mts. near boundary of Siskiyou + Trinity Co. 2133 Comment
  CAS-BOT-BC78162  Picea breweriana Marion Ownbey; Fred G. Meyer 1940-7-6 2205 Siskiyou Summit of Cayenne Ridge on west side, Marble Mountain Comment
  CAS-BOT-BC78166  Picea breweriana W. R. Dudley 1899-7-5 s.n. Siskiyou North slope of Siskiyou near Bartlett trail Comment
  CAS-BOT-BC73428  Picea breweriana unspecified 1912-10-1 s.n. Siskiyou Marble Mt. Comment
  CAS-BOT-BC73389  Pinus albicaulis Geo. B. Grant 1902-9-8 s.n. Siskiyou Horse Camp, Mt. Shasta Comment
  HSC103157  Pinus albicaulis Michael Kauffmann 2013-8-8 21 Siskiyou The Whaleback 2541 Comment
  HSC30652  Pinus albicaulis Frederick W. Oettinger 1966-8-27 51 Siskiyou S side of E Boulder Lake in the Scott Mtns. 2043 Comment
  HSC29671  Pinus attenuata Frederick W. Oettinger 1968-9-3 685 Siskiyou Marble Mtn. Wilderness Area, near ridge top of 'Rusty Ridge' near where it grades into Frang Peak W of Horse Range Lake, Bulk Collection 52 2012 Comment
  UC1980216  Pinus balfouriana Ron Mastrogiuseppe, Joy Mastrogiuseppe August 1975 s.n. Siskiyou SISKIYOU CO.: Klamath National Forest, Lake Mountain. Comment
  HSC68674  Pinus contorta Maralyn A. Renner 1980-7-4 1434 Siskiyou Clear Creek Trail, N of Trout Camp. 1067 Comment
  HSC69520  Pinus jeffreyi Maralyn A. Renner 1980-6-26 1288 Siskiyou Klamath National Forest, ridge along FS Rd. 15N01, 1 mi. N of Flint Valley. 1494 Comment
  SEINET11738788  Pinus jeffreyi C. G. Pringle 1882-1 s.n. Siskiyou no further locality 1524 Comment
  CAS-BOT-BC78775  Pinus lambertiana Geo. B. Grant 1902-9-10 s.n. Siskiyou Sisson Comment
  CAS-BOT-BC78782  Pinus lambertiana Carl B. Wolf 1927-8-27 1124 Siskiyou On the Klamath River, 4 mi. below Happy Camp Comment
  RSA237212  Pinus lambertiana Frederick W. Oettinger 1969-8-24 1538 Siskiyou 0.1 mile north of English Lake. Salmon Mtns. High Lake Basins in the vicinity of English Peak. Marble Mountains Wilderness Area. 1768 Comment
  UC1190124  Pinus lambertiana Ira L. Wiggins 1955-7-24 13496 Siskiyou ridge between upper reaches of China Creek and Blind Horse Creek 1645 Comment
  CAS-BOT-BC78954  Pinus monticola Peter H. Raven 1956-9-5 10448 Siskiyou North Fork of Sacramento River 2194 Comment
  JEPS48189 Image available Pinus ponderosa W. L. Jepson 1914-8-14 Siskiyou Dunsmuir Comment
  JEPS96842  Piperia unalascensis Dean W. Taylor 1988-7-8 9933 Siskiyou Gumboot Lake, headwaters South Fork Sacramento River 1950 Comment
  UC1409483  Piperia unalascensis Frederick W. Oettinger 1969-7-27 1077 Siskiyou nw of English Lake; Salmon Mountains, Marble Mountain Wilderness Area, English P 1981 Comment
  UC618670  Piperia unalascensis W. Bridge Cooke 1938-7-22 11309 Siskiyou Wagon Camp meadow Mount Shasta, Wagon Camp 1737 Comment
  CDA40670  Plagiobothrys nothofulvus T. C. Fuller 1958-4-16 4816 Siskiyou Giebner property, 4 miles south of Yreka. 0 Comment
  CHSC86662  Plagiobothrys tenellus Jenny Marr 1993-7-1 45 Siskiyou Butte Valley Wildlife Area, +/- 7 air miles NW of the town of MacDoel. Meadow NW of Meiss Lake. 1349 Comment
  UC164110  Plagiobothrys tenellus Geo. D. Butler 1909-4-18 633 Siskiyou hills near Yreka Comment
  RSA59809  Plagiobothrys tenellus E. K. Balls 1950-5-17 14721 Siskiyou New Lava Flow, along road from Schonchin Butte to Capt. Jack s Stronghold, Lava Beds Nat l Monument. 1463 Comment
  NY278426  Plantago shastensis E. L. Greene 1876-6-26 851 Siskiyou Collected near Yreka Comment
  UCD138977  Platanthera dilatata var. leucostachys J. M. Tucker; D. V. Hemphill 1974-7-26 4291 Siskiyou Let 'Er Buck Meadows, ca. 0.5 mile southeast of Haypress Meadows, Marble Mountain Wilderness Area. 1432 Comment
  HSC485  Platanthera dilatata var. leucostachys William J. Ferlatte 1966-6-23 141 Siskiyou Big Flat, between campground and S Fork of the Salmon River 1524 Comment
  SD104886  Platanthera dilatata var. leucostachys Darley F. Howe 1979-6-25 51 Siskiyou 17.8 miles southeast of Somes Bar. Comment
  HSC484  Platanthera sparsiflora William J. Ferlatte 1967-7-25 723 Siskiyou Caribou Basin 1982 Comment
  HSC35287  Platanthera sparsiflora A. Montalvo, J. D. Ackerman 1974-7-2 354 Siskiyou Along road to Middle Fork Sacramento River and Toad Lake. West of Mt. Shasta City Comment
  UC573575  Plectritis macrocera M. H. Mitchell 1936-5-8 2 Siskiyou 2 mi e of Schonchin Butte 1371 Comment
  UC890152  Plectritis macrocera Louis C. Wheeler 1935-6-1 3537 Siskiyou Siskiyou Mountains, Yreka Creek Yreka Creek; Siskiyou Mountains, Yreka Creek 853 Comment
  POM67770  Plectritis macrocera subsp. grayi Geo. D. Butler 1910-4-15 1176 Siskiyou Yreka Creek. Comment
  CAS-BOT-BC261055  Poa John Thomas Howell; T. C. Fuller; G. D. Barbe 1980-4-29 53431 A Siskiyou Along East Fork Scott River 2 miles east of Callahan on road to Gazelle 990 Comment
  RSA239045  Poa annua Frederick W. Oettinger 1969-8-24 1529 Siskiyou English Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1936 Comment
  CAS-BOT-BC254784  Poa bolanderi A. A. Heller 1914-8-28 11736 Siskiyou On the E side of Mount Eddy 2438 Comment
  HSC92164  Poa bolanderi Jennifer Whipple 1976-9-4 1807 Siskiyou Dale Creek drainage on the N face of Mount Eddy. 2195 Comment
  HSC102710  Poa bulbosa J. P. Smith 2013-6-17 13743 Siskiyou Tennat-Bray. 1485 Comment
  UCD90654  Poa bulbosa Beecher Crampton 1969-6-19 8470 Siskiyou 3 miles north of Weed, along Interstate Hwy. 5. Comment
  RSA0030867  Poa bulbosa Louis C. Wheeler 1935-6-1 3536 Siskiyou Yreka Creek, Siskiyou Mts., Mt. Diablo Meridian 853 Comment
  RSA732494  Poa compressa P. M. Peterson, C. J. Sears, J. M. Saarela 2006-8-8 19743 Siskiyou 6.5 miles SW of Etna on Forest Service Rd 1C-01 towards Etna Summit. 1424 Comment
  HSC31053  Poa cusickii subsp. epilis Frederick W. Oettinger 1967-8-17 274 Siskiyou High Lakes Basins in Marble Mountain Wilderness Area, Crapo Peak Ridge. 2195 Comment
  UC1265391  Poa cusickii subsp. purpurascens Frederick W. Oettinger 1969-9-2 1605 Siskiyou above meadow n. side of English Peak; Salmon Mts., High Lake Basins, English Peak vic., Marble Mt. 2164 Comment
  UCD91091  Poa howellii A. A. Beetle; G. L. Stebbins Jr. 1942-5-31 3429 Siskiyou 13 miles east of Hamburg, banks of the Klamath River. Comment
  SEINET10509470 Image available Poa howellii var. chandleri Harley P. Chandler Chandler 1703 Siskiyou Ridges and meadows near Marble Mountain. 1524 Comment
  RSA22128  Poa pratensis J. T. Howell 1937-7-23 13347 Siskiyou South Fork of Salmon River near Big Flat 1524 Comment
  RSA238410  Poa pratensis Frederick W. Oettinger 1969-8-5 1191 Siskiyou English Lake to Abbotts. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. Comment
  UCD91932  Poa pratensis Wm. E. Moon 1958-5-29 s.n. Siskiyou along State Hwy. 97, southwest of Hebron Summit. 1524 Comment
  CAS-BOT-BC247526  Poa pringlei Elmer I. Applegate 1923-8-18 3861 Siskiyou Top of Redshale Mountain, Medicine Lake region Comment
  UCD91765  Poa pringlei Freed W. Hoffman 1950-7-13 3655 Siskiyou western side of Baldy Mountain. Comment
  UCD91769  Poa pringlei A. H. Murphy 1959-7-22 59 L Siskiyou Shasta National Forest. Summit between Bear Creek and Toad Lake. 2346 Comment
  SEINET207114 Image available Poa pringlei Rimo Bacigalupi 1959-7-1 7197 Siskiyou At edge of overhanging lava rock near head of ski lift above Mt. Shasta ski Bowl Lodge; on moriane between ice and snow fields; southwestern slopes of Mt. Sasta; elev. 9300 Comment
  UCD90327  Poa secunda A. A. Beetle; G. L. Stebbins Jr. 1942-5-31 3404 Siskiyou Canyon N of Willow Creek, 5 miles W of Gazelle. Comment
  UCD92392  Poa secunda subsp. juncifolia Mr. Roseman 1913-1 33 Siskiyou Butte Valley. Comment
  CDA319  Poa secunda subsp. juncifolia G. D. Barbe, T. C. Fuller, J. T. Howell 1980-4-28 2587 Siskiyou Between Old Highway 99 and railroad at Truttman Lane, 3.2 km south of Grenada. Comment
  CAS-BOT-BC243225  Poa secunda subsp. secunda Alice Eastwood 1923-5-27 11962 a Siskiyou Shasta Springs Comment
  JEPS74522  Poa secunda subsp. secunda W. J. Ferlatte 1966-6-22 114 Siskiyou Josephine Lake Basin; Trinity alps 1676 Comment
  UC1037087  Poa secunda subsp. secunda Leo Whitney 1934-6-29 2224 Siskiyou near Tennant (Antelope Creek) 1463 Comment
  UCD92067  Poa secunda subsp. secunda Louis C. Wheeler 1934-8-9 3076 Siskiyou Siskiyou Mountains. Head Jaynes Canyon. 1920 Comment
  HSC30674  Poa wheeleri Frederick W. Oettinger 1969-8-25 1545 Siskiyou Along Tanner Peak Trail, 400 yards. down from English Peak Trail. 2012 Comment
  JEPS101164  Poa wheeleri Dean W. Taylor 1996-6-19 15709 Siskiyou Lime Gulch; bordering Shasta Valley (about 15 miles south of Yreka) 1188 Comment
  UCD35442  Poa wheeleri Beecher Crampton 1956-8-22 3855 Siskiyou Panther Meadow, south slope of Mt. Shasta. 2316 Comment
  UCD91743  Poa wheeleri R. Tofsrud 1948-8-1 s.n. Siskiyou Pather Meadow, Mt. Shasta. 2438 Comment
  UCD52735  Podagrostis humilis Beecher Crampton 1956-8-21 3803 Siskiyou slopes above Gumboot Lake, headwater of the south fork of the Sacramento River, 15-16 miles southwest of Mt. Shasta City. 1920 Comment
  JEPS80553  Polemonium californicum Gilbert Muth 1965-8-8 196 Siskiyou Marble Wilderness Area Marble Mt. Wilderness Area 1828 Comment
  SBBG6065  Polemonium californicum H. and M. Dearing 1939-7-2 3805 Siskiyou Salmon Mtn 1676 Comment
  UC922452  Polemonium californicum Annie M. Alexander and Louise Kellogg 1949-7-20 5819 Siskiyou Paradise Lake Marble Mountains, Paradise Lake 1920 Comment
  HSC76631  Polemonium californicum K. T. Stillman 1976-6-17 17 Siskiyou Marble Mtn. Wilderness Area 1768 Comment
  CAS-BOT-BC232901  Polemonium carneum Louise A. Boyd; Katherine Donahoe 1923-5-1 s.n. Siskiyou Near Oregon boundary Comment
  CAS-BOT-BC263240  Polemonium carneum R. Stubbs 2010-6-25 010 Siskiyou 1.08 mile SE of Deadwood historical marker. West of Yreka 1331 Comment
  JEPS69889  Polemonium carneum Geo. D. Butler 1909-4-28 737 Siskiyou McAdams Creek Comment
  UCR64593  Polemonium micranthum L. C. Wheeler 1935-3-16 3374 Siskiyou Klamathon, Klamath River 701 Comment
  HSC4426  Polygala cornuta William J. Ferlatte 1966-8-4 321 Siskiyou Big Flat, wooded area near public camp 1524 Comment
  POM138800  Polygala cornuta var. cornuta E. B. Copeland 1903-8-13 3817 Siskiyou Sisson. 1067 Comment
  UC17452  Polygala cornuta var. cornuta Milo S. Baker 1893-8-20 Siskiyou Dunsmuir Sac. Canyon Comment
  RSA120791  Polygonum bistortoides S. S. Tillett 1956-7-9 658 Siskiyou E side of Scott Mtn; Siskiyou Trinity County line; 8 miles SE of Callahan. 1890 Comment
  UC164035  Polygonum bistortoides Geo. D. Butler 1910-6-5 1477 Siskiyou Shackelford Creek Comment
  JEPS50520  Polygonum convolvulus W. L. Jepson 1894-7 14805 Siskiyou Sisson Comment
  UC55516  Polygonum convolvulus T. H. Gilbert Jun 15 1899-Jul 15 1899 Siskiyou Scott River Valley Comment
  UC168611  Polygonum davisiae J. W. Congdon 1900-8-13 Siskiyou Shasta Comment
  JEPS50548  Polygonum douglasii J. W. Blankinship 1910-8-1 Siskiyou Comment
  UC850088  Polygonum douglasii subsp. douglasii John Thomas Howell 1939-8-2 14939 Siskiyou Spirit Lake Marble Mts. Comment
  JEPS79755  Polygonum douglasii subsp. spergulariiforme Geo. D. Butler 1908-7-23 192 Siskiyou lot w Catholic Cemetary; Yreka Comment
  UC164039  Polygonum douglasii subsp. spergulariiforme Geo. D. Butler 1910-6-20 1593 Siskiyou Yreka Comment
  UC454279  Polygonum douglasii subsp. spergulariiforme I. J. Condit July 1911 Siskiyou Dunsmuir Comment
  UC637130  Polygonum douglasii subsp. spergulariiforme Annetta Carter 1934-8-10 689 Siskiyou s bank of river between McKinney Creek and Parkhouse Creek (near Hamburg); Klamath River 609 Comment
  CAS-BOT-BC418619  Polygonum majus John Thomas Howell 1939-8-4 15035 Siskiyou Between Elk Mt. and Marble River, Marble Mts. Comment
  CAS-BOT-BC418596  Polygonum minimum Wm. Bridge Cooke 1938-9-8 11658 Siskiyou Mount Shasta. Squaw Creek Meadows Comment
  SEINET3160424  Polygonum phytolaccifolium G. D. Butler 1910-7-8 1674 Siskiyou Upper Campbell Lake 1676 Comment
  CAS-BOT-BC420074  Polygonum polygaloides subsp. kelloggii Alice Eastwood 1921-7-29 10954 Siskiyou Medicine Lake Comment
  UC1191240  Polygonum polygaloides subsp. kelloggii Herbert L. Mason 1948-7-18 13621 Siskiyou Grass Lake Comment
  CAS-BOT-BC109284  Polygonum shastense Alice Eastwood 1912-9-1 2077 Siskiyou Mount Shasta. Comment
  CAS-BOT-BC109288  Polygonum shastense G. A. Coleman 1901-8-17 s.n. Siskiyou Mount Shasta. 2529 Comment
  HSC30504  Polygonum shastense Frederick W. Oettinger 1969-9-3 1611 Siskiyou Marble Mtn. Wilderness Area, Shasta Ridge N below English Peak 2134 Comment
  CAS-BOT-BC421062  Polygonum spergulariiforme L. E. Smith 1912-8-1 s.n. Siskiyou Yreka Comment
  HSC17550  Polygonum spergulariiforme Geo. D. Butler 1908-8-6 184 Siskiyou Summit, along trail SE of Marble Mtn. 1829 Comment
  HSC76893  Polygonum spergulariiforme K. T. Stillman 1976-9-9 489 Siskiyou Marble Mtn. Wilderness Area; trail from jump off to Paradise Lake 1951 Comment
  POM104534  Polygonum spergulariiforme Geo. D. Butler 189 Siskiyou Dry hills near Yreka. Comment
  HSC68533  Polypodium californicum Maralyn A. Renner 1980-6-25 1095 Siskiyou Little South Fork Indian Creek, W Fork 1220 Comment
  UCD91021  Polypogon interruptus Chandler Jensen 1957-4-29 s.n. Siskiyou Redding Airport, Redding. Comment
  HSC27778  Polystichum imbricans J. P. Smith, J. O. Sawyer 1972-9-13 5783 Siskiyou 0.5 mi. W of Cook and Green Pass on rd. to Lily Pad Lake. Comment
  HSC79157  Polystichum imbricans C. J. Thomas 1983-10-1 107 Siskiyou 0.75 mi. from Indian Scotty campground on gravel rd. to Paradise Lake 854 Comment
  UC705505  Polystichum imbricans subsp. imbricans Marion Ownbey and Fred G. Meyer 1940-7-7 2209 Siskiyou sw of Yreka (Soap Ridge at top of ridge) Comment
  HSC79134  Polystichum kruckebergii C. J. Thomas 1983-10-1 83 Siskiyou N side of Black Mtn. in Marble Mtn. Wilderness 1976 Comment
  CAS-BOT-BC72387  Polystichum lemmonii A. A. Heller 1914-8-28 11739 Siskiyou east side of Mt. Eddy 2346 Comment
  HSC92662  Polystichum lemmonii Jennifer Whipple 1976-8-20 1730 Siskiyou Wagon Creek Drainage near Wagon Creek 2195 Comment
  RSA624979  Polystichum lemmonii L. C. Wheeler 1963-8-25 8272 Siskiyou South side of Preston Peak: Head Rattlesnake Creek. 1829 Comment
  HSC61976  Polystichum lemmonii Al Hobart 6 Aug [year missing] Siskiyou Preston Pk. 1982 Comment
  SFV95  Polystichum lemmonii E. Bacciu 1961-6-1 s. n. Siskiyou Mount Eddy Creek, near Weed. 1524 Comment
  CAS-BOT-BC72398  Polystichum lonchitis Gilbert Muth 1965-8-3 s.n. Siskiyou Pothole in Marble, Marble Valley Comment
  SBBG27193  Polystichum scopulinum L. C. Wheeler 1934-8-6 3059 Siskiyou Rock Gulch off Jaynes Cyn, Siskiyou Mtns 1828 Comment
  CDA42711  Polystichum scopulinum T. C. Fuller, D. H. Shaw 1974-9-24 20042 Siskiyou Summit of the Siskiyou Mountains above Pacific Crest Trail, summit of the Siskiyou Mountains, east of White Mountain. 0 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
  RSA693354  Polystichum scopulinum L. C. Wheeler 1934-8-13 3113 Siskiyou East Fork Horse Creek, Siskiyou Mountains 1982 Comment
  HSC99282  Populus fremontii subsp. fremontii Frank T. Callahan May 2007 Siskiyou Moffett Creek Comment
  CAS-BOT-BC102960  Populus trichocarpa Geo. D. Butler 1910-4-16 1177 Siskiyou Yreka Creek Comment
  UCD77957  Populus trichocarpa Robert E. Preston 2002-6-21 1876 Siskiyou Klamath National Forest, Rainbow Mountain, S slope, N of Trout Creek 1765 Comment
  UC416612  Porterella carnosula H. W. Furlong Sept. 1901 Siskiyou Summit to Ager; about 10 mi (air) s of the Oregon boundary and about 11 mi (by road) n of Montague, northern Siskiyou Co. Comment
  UC1265461  Potamogeton berchtoldii Frederick W. Oettinger 1969-9-5 1684 Siskiyou 0.7 mi ne of Abbotts Lake (in Salamander Lake, High Lake Basins in Vicinity of English Peak); Salmon Mountains, Marble Mountain Wilderness Area 1790 Comment
  CAS-BOT-BC143184  Potentilla breweri H. E. Brown 1897-6-11 472 Siskiyou On the north side of Mt. Shasta 2743 Comment
  UC1560737 Image available Potentilla cristae W. J. Ferlatte 1989-8-5 2122 Siskiyou ridge e Cory Peak; China Mt. se Quad., ridge e of Cory Peak 2286 Comment
  HSC29383  Potentilla drummondii Frederick W. Oettinger 1968-9-7 769 Siskiyou Marble Mountain Wilderness Area, ridge SE of Tobacco Lake Meadow 1890 Comment
  HSC295  Potentilla flabellifolia William J. Ferlatte 1966-8-17 390 Siskiyou Caribou Basin 1982 Comment
  CAS-BOT-BC143260  Potentilla flabellifolia David Keck 1938-9-8 11626 Siskiyou Springs in the South Gate Comment
  RSA507455  Potentilla glandulosa 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
  RSA12583  Potentilla glandulosa subsp. ashlandica Carl B. Wolf 1934-7-6 6003 Siskiyou 4.7 miles from Mt. Shasta City on Wagon Camp Road, SW slope of Mt. Shasta 1220 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
  JEPS98790  Potentilla gracilis var. fastigiata Sue Pappalardo 1993-7-19 494 Siskiyou about 4 mi SE of Bear Mountain Lookout (between Forest Service roads 40N38 and 40N36); Shasta Trinity National Forest, McCloud Ranger District 1300 Comment
  RSA29631  Potentilla gracilis var. fastigiata Stephen Edwards 1975-8-2 s.n. Siskiyou [Unspecified] Comment
  CAS-BOT-BC158531  Potentilla millefolia Frank Gould; Kay H. Beach 1940-5-16 644 Siskiyou About 24 miles north of Weed on the road to [Klammath] Klamath Falls Comment
  CAS-BOT-BC158537  Potentilla millefolia Alice Eastwood; John Thomas Howell 1936-6-13 2752 Siskiyou 6 miles n. of Weed Comment
  RSA105311  Potentilla millefolia M. S. Baker 1955-6-26 13080 Siskiyou Shasta Valley, between Weed and Gazella. 915 Comment
  HSC83923  Primula suffrutescens K. Berg, Stephanie Bennett 1986-8-25 645 Siskiyou Salmon-Trinity Alps Wilderness, headwaters of Little S Fork of Salmon River, above Little S Fork Lake 1982 Comment
  RSA211268  Primula suffrutescens William J. Ferlatte 1966-8-17 399 Siskiyou Caribou Basin, Sawtooth Ridge. 2043 Comment
  HSC65492  Prosartes hookeri R. White 1977-7-21 124 Siskiyou Slope below outlet of Raspberry Lake. 1512 Comment
  CAS-BOT-BC516389  Prosartes hookeri Alice Eastwood 1923-5-27 11941 Siskiyou Shasta Springs on road to McCloud Comment
  HSC69056  Prunella vulgaris Maralyn A. Renner 1980-8-6 2314 Siskiyou Cracker Meadow 1555 Comment
  UCLA49010  Prunella vulgaris W. Bridge Cooke 1940-8-2 15401 Siskiyou Bear Springs Mount Shasta; , Bear Springs Comment
  JEPS124565 Image available Prunella vulgaris subsp. lanceolata Rechen 1964-7-8 88 Siskiyou 5.5 miles north of Dead Horse Summit. Comment
  UC449932  Prunella vulgaris var. lanceolata Annie M. Alexander and Louise Kellogg 1911-7-16 248 Siskiyou S. Fk. Salmon R. <South Fork Salmon River> 1524 Comment
  CDA26150  Prunus emarginata T. C. Fuller 1960-5-26 4345 Siskiyou 2 miles south of Mt. Shasta City. 0 Comment
  JEPS44721  Prunus emarginata W. L. Jepson 1940-6-28 20058 Siskiyou McCloud 975 Comment
  RSA453223  Prunus emarginata Bonnie C. Templeton 1957-6-22 s.n. Siskiyou Along the Scott River, north of Callahan. Comment
  UC1409368  Prunus emarginata Frederick W. Oettinger 1968-4-10 468 Siskiyou e side of Hancock Lake, High Lake Basins in vicinity of English Peak, Salmon Mountains, Marble Mountain Wilderness Area, Western Siskiyou County Hancock Lake; Salmon Mountains, Marble Mountain Wilderness Area, Hancock L 1889 Comment
  UC144434  Prunus emarginata A. A. Heller 1905-6-16 8045 Siskiyou Sisson Comment
  UC154511  Prunus emarginata Harley P. Chandler June, 1901 1603 Siskiyou near Marble Mountain (Klamath River to Marole Mountain); North Coast Range 1828 Comment
  CAS-BOT-BC154680  Prunus subcordata Dorothy Parker 1948-5-25 s.n. Siskiyou Plowman's Valley Comment
  RSA3386  Prunus virginiana var. demissa Carl B. Wolf 1931-9-2 2389 Siskiyou Near the fish hatchery at Mt. Shasta City (Sisson). Comment
  JEPS33954  Pseudognaphalium stramineum George D. Butler 1908-9-6 316 Siskiyou Butler's ranch near Yreka Comment
  OBI55480  Pseudognaphalium thermale David J. Keil, Kathleen Keil 1992-7-21 23527 Siskiyou Klamath Natl Forest SE of Callahan. Forest Rd 40N08. 0.5 mi W of Scott Mtn rd (hwy 3) Comment
  CAS-BOT-BC239810  Pseudoroegneria spicata David D. Keck 1949-7-19 6354 Siskiyou 6.5 mi SW of Yreka on road to Ft. Jones, nr. head of Yreka Creek 1127 Comment
  UC650630  Pseudoroegneria spicata subsp. spicata Elmer I. Applegate 1935-6-5 9316 Siskiyou n end of Lava Beds National Monument Lava Beds National Monument Comment
  CHSC34832  Pseudostellaria jamesiana M. S. Taylor 1980-6-23 2941 Siskiyou On e side of 39N45, in Soapstone Gulch, ca. 2 mi s of its jct with Hwy 26, ca. 8 mi sw of Mt. Shasta City. 1676 Comment
  UC165936  Pseudostellaria jamesiana Geo. D. Butler 1909-6-13 966 Siskiyou Moffitt Creek Comment
  JEPS121604  Pseudostellaria jamesiana Danielle Roach 2011-8-25 Siskiyou Middle Fork Sacramento River headwaters, east slope of the Eddys. Fen / wet meadow on ultramafic soil. Mount Eddy quadrangle. Comment
  CAS-BOT-BC80167  Pseudotsuga menziesii W. R. Dudley 1899-8-9 s.n. Siskiyou Top of Black Butte Comment
  UC1409221  Pseudotsuga menziesii var. menziesii Frederick W. Oettinger 1968-8-15 528 Siskiyou on ridge above Hell Hole near Hancock Lake (w Siskiyou County, the high lake basins in the vicinity of English Peak); Salmon Mountains, Marble Mountain Wilderness Area 1935 Comment
  UC54247  Pseudotsuga menziesii var. menziesii H. M. Hall and E. B. Babcock 1903-6-1 4077 Siskiyou near, n of Sisson Upton; Sierra Nevada, Mount Shasta 1219 Comment
  UC933382  Pterospora andromedea Annie M. Alexander and Louise Kellogg 1948-9-9 5614 Siskiyou near start of 2-mi trail from Cook & White Mine to Taylor Lake; Siskiyou Mountains Comment
  CDA32665  Puccinellia distans L. Ahart, J. Dittes 2005-6-9 12002 Siskiyou About 300 yards east of where cattle water in the Shasta River, about 3/5 mile (air) south of Highway 99/97 Cutoff, about 2 1/2 miles (air) east-southeast of Grenada. Comment
  UCD91525  Puccinellia distans A. A. Beetle; G. L. Stebbins 1942-5-31 3421 Siskiyou Near Gazelle. Comment
  SEINET5338232  Pulsatilla occidentalis G. Butler 1910-7-10 1736 Siskiyou Upper Campbell Lake. 1676 Comment
  CAS-BOT-BC147897  Purshia tridentata var. tridentata Alice Eastwood; John Thomas Howell 1934-4-20 1759 Siskiyou Near Yreka along Shasta River Comment
  UC164303  Purshia tridentata var. tridentata Geo. D. Butler 1910-4-16 1184 Siskiyou Shasta River Comment
  JEPS23190  Pycnanthemum californicum W. L. Jepson 1914-8-13 5785 Siskiyou Sisson 1097 Comment
  SBBG30606  Pyrola asarifolia D. Myrick 1968-6-28 2054 Siskiyou Mountain Meadow Ranch, Big Flat, head of Coffee Crk, Trinity Alps 1524 Comment
  HSC19199  Pyrola crypta J. O. Sawyer 1968-7-23 623 Siskiyou Near Big Flat Campground, Trinity Alps Primitive Area 1524 Comment
  RSA0080537  Pyrola crypta Frederick W. Oettinger 1967-8-26 330 Siskiyou Along the trail heading downhill to Diamond Lake from the Tom's Lake Basin. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2027 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
  HSC19195  Pyrola picta J. O. Sawyer 1968-9-13 720 Siskiyou W of the Happy Camp/O'Brien Rd. between Louse Creek and Indian Creek, on the E slopes of Little Grayback 1463 Comment
  UC618902  Pyrola picta W. Bridge Cooke 1938-5-8 11454 Siskiyou Mount Shasta, Sisson Southern Trail Sisson Southern Trail; Mount Shasta, Sisson Southern Trail 1828 Comment
  CAS-BOT-BC466144  Pyrola picta W. R. Dudley 1899-8-22 s.n. Siskiyou Craggy Peak in Shasta Fir Belt Comment
  UC86685  Pyrrocoma carthamoides var. cusickii J. W. Congdon 1900-8-18 Siskiyou [illeg.] Mt. Eddy Comment
  OBI55525  Pyrrocoma racemosa var. pinetorum David J. Keil 1992-7-21 23514 Siskiyou Klamath NF SE of Callahan on hwy 3, 5.3 mi NW of Scott Mtn summit Comment
  UC829439  Pyrrocoma racemosa var. racemosa A. A. Heller 1917-9-7 12980 Siskiyou 5 mi s Gazelle; Shasta Valley 914 Comment
  UCD45700  Quercus douglasii Miss C. Hoak 1903-1 Siskiyou 16 mi S. of Ashland, Oregon, near Calif. Line- 3000 ft. up the Siskiyou. 914 Comment
  CAS-BOT-BC94649  Quercus garryana Copeland 1903-7-14 3522 Siskiyou Klamathon Comment
  JEPS57399  Quercus garryana L. R. Heckard with T. I. Chuang 1968-7-3 1975 Siskiyou just s Klamath River (near the bridge crossing of the Hornbrook-Alger road) Comment
  HSC29147  Quercus garryana var. breweri Frederick W. Oettinger 1968-8-18 574 Siskiyou Marble Mtn. Wilderness Area, NNW of Tobacco Lake and W of W cove of Hancock Lake 1921 Comment
  RSA23946  Quercus garryana var. breweri O. V. Matthews 1939-7-3 20 Siskiyou Maybe 1500 yards southwest of Sullivan Mine. Cook-Green Region W side of creek, maybe 3 miles by trail south of Blue Ledge Mine. 1067 Comment
  UC1408908  Quercus garryana var. breweri Frederick W. Oettinger 1968-9-5 703 Siskiyou slope above English Lake (about halfway up to Diamond Lake, along the trail from Engish Lake, vicinity of English Peak, w Siskiyou County); Salmon Mountains, Marble Mountain Wilderness Area, English P 1889 Comment
  UC338537  Quercus garryana var. breweri unknown Jul 28 1888-Aug 13 1888 Siskiyou near Mt. Shasta (near Soda Spring) Comment
  UCD46171  Quercus garryana var. breweri P. C. Everett; E. K. Balls 1954-10-13 20288 Siskiyou Indian Creek road to Obrien, summit of pass, 21 mi. n.w. from Hwy 96 at Happy Camp, Siskiyou County. 1554 Comment
  UCSB1173  Quercus garryana var. breweri Muller, Cornelius 1954-6-24 Siskiyou 10.7 mi. SW of Etna, Summit of Salmon Mt. pass, 10 mi. NE of Idyllwild 1798 Comment
  UC60993  Quercus kelloggii Geo. B. Grant Sep 1902 5197 Siskiyou Sisson Mount Shasta 914 Comment
  HSC74841  Quercus sadleriana J. P. Smith, Jennifer Whipple 1978-7-2 9990 Siskiyou Trail from Cook and Green Pass to Copper Butte. 1768 Comment
  RSA23948  Quercus sadleriana O. V. Matthews 1939-7-3 22 Siskiyou Upper Limits of Sullivan Mine Grove, Cook-Green region. 1067 Comment
  SBBG25343  Quercus sadleriana J. M. Tucker 1963-7-9 3735 Siskiyou ca. 0.75 mi E of Marble Valley Guard Stn, upper Cyn Crk, Marble Mtn Wilderness 1615 Comment
  UC1409454  Quercus sadleriana Frederick W. Oettinger 1968-9-7 761 Siskiyou n shore Tobacco Lake (vicinity of English Peak); Salmon Mountains, Marble Mountain Wilderness Area, Engliah P 1889 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-BC104626  Quercus vacciniifolia Alice Eastwood 1921-6-24 10759 Siskiyou Castle Lake Comment
  CAS-BOT-BC104639  Quercus vacciniifolia Marion Ownbey; Fred G. Meyer 1940-7-6 2201 Siskiyou Along Cayenne Ridge, Marble Mountain Comment
  UC535898  Ranunculus alismifolius var. alismifolius Elmer I. Applegate 1931-6-24 6808 Siskiyou Medicine Lake; w side 1981 Comment
  RSA105416  Ranunculus aquatilis var. capillaceus Milo S. Baker 1955-6-29 52 Siskiyou 4.1 miles SE of Etna on the Eastside Road. In a Stagnant pool. 915 Comment
  HSC77031  Ranunculus eschscholtzii var. suksdorfii K. T. Stillman 1976-6-17 11 Siskiyou Marble Mountain Wilderness Area, head of Elk Valley 1768 Comment
  UC165947  Ranunculus flammula Geo. D. Butler 1910-7-12 1741 Siskiyou Shackleford Creek 1219 Comment
  RSA238276  Ranunculus gormanii Frederick W. Oettinger 1969-7-14 1015 Siskiyou Salmon Mtns. High Lake Basins in the vicinity of English Peak. Marble Mtn Wilderness Area. 1905 Comment
  CHSC1488  Ranunculus occidentalis var. dissectus V. Holt 1943-8-7 Siskiyou Marble mountains. 1828 Comment
  POM149885  Ranunculus occidentalis var. eisenii Geo. D. Butler 1910-4-19 1199 Siskiyou Yreka Comment
  POM99425  Ranunculus occidentalis var. eisenii Geo. D. Butler 1908-6-28 362 Siskiyou Siskiyou county: Meadow near Oro Fino Comment
  CDA3485  Ranunculus repens C. S. Giebner 1959-5-29 Siskiyou Copeland Ranch, Weed. 0 Comment
  RSA28827  Rhamnus californica subsp. occidentalis A. A. Heller 1916-7-22 12490 Siskiyou E side of Mt. Eddy Comment
  UC592954  Rhamnus rubra Carl B. Wolf 1930-10-22 Siskiyou 3 mi n Mt. Shasta City (on the Pacific Highway) 1219 Comment
  UC725519  Rhamnus rubra A. A. Heller 1920-8-13 13525 Siskiyou Upton Comment
  UC80229  Rhamnus rubra Dr. E. B. Copeland 1903-8-15 3833 Siskiyou Sisson 1097 Comment
  HSC4876  Rhododendron columbianum J. O. Sawyer 1968-7-23 585 Siskiyou Along trail from Brown's Valley to Caribou Basin including areas around Snowslide Lake and Caribou Lake. 1829 Comment
  RSA697559  Rhododendron macrophyllum Leo Miller 1938-07 s.n. Siskiyou Siskiyou, Mountains. 915 Comment
  CHSC96003  Rhododendron occidentale L. P. Janeway 2006-7-4 8785 Siskiyou Klamath Ranges. Scott Mountains; Darlingtonia fen and creeklet complex above Road 40N13 1.6 air km west of Scott Mountain Summit. 1728 Comment
  CAS-BOT-BC200398  Rhododendron occidentale var. paludosum Jessie P. Rose 1908-6-13 80 Siskiyou Sacramento River at Dunsmuir Comment
  CAS-BOT-BC200405  Rhododendron occidentale var. paludosum A. A. Heller 1905-6-1 7948 Siskiyou Upper Soda Spring Comment
  UC160397  Ribes I. J. Condit 1911-7-22 Siskiyou Shasta trail 1676 Comment
  CAS-BOT-BC437999  Ribes Alice Eastwood 1912-7-23 1324 Siskiyou Cantara Comment
  CAS-BOT-BC438015  Ribes Laura M. Lathrop 1903-7-16 s.n. Siskiyou Shasta Retreat Comment
  CAS-BOT-BC92537  Ribes binominatum John Thomas Howell 1939-8-3 14958 Siskiyou Spirit Lake Marble Mountains. 1828 Comment
  JEPS120191  Ribes binominatum Julie Kierstead Nelson with Rhonda Posey, Mary Ellen Colberg 2011-7-12 2011 -38 Siskiyou Eastern Klamath Mountains, The Eddys. Forest Road 40N45 at Pacific Crest Trail crossing south of Picayune Lake Comment
  UC618608  Ribes cereum W. Bridge Cooke 1938-6-17 11032 Siskiyou Sisson Southern Trail Mount Shasta Comment
  HSC69539  Ribes lacustre Maralyn A. Renner 1980-8-6 2249 Siskiyou FS Rd. 40S07 crossing of Louse Creek 1127 Comment
  HSC98168  Ribes lacustre J. O. Sawyer 1969-7-10 1307 Siskiyou Along S Sugar Creek 2012 Comment
  CAS-BOT-BC173379  Ribes lobbii C. H. M. 1916-9-8 s.n. Siskiyou Black Butte, Calif. Nat'l. Forest Comment
  CAS-BOT-BC173386  Ribes lobbii Alice Eastwood; John Thomas Howell 1937-6-26 5034 Siskiyou Salmon Mts. 5 miles sw. of Etna Comment
  JEPS49364  Ribes lobbii Geo. D. Butler 1908-8-5 261 Siskiyou near Cold Spring Camp; Wooly Creek 1676 Comment
  SEINET3151806  Ribes lobbii G. D. Butler 1910-5-30 1442 Siskiyou Humbug Creek Comment
  CAS-BOT-BC212480  Ribes marshallii John Thomas Howell 1939-8-2 14876 Siskiyou Spirit Lake, Marble Mts. 1828 Comment
  HSC44983  Ribes marshallii J. O. Sawyer 1978-6-21 3287 Siskiyou Marble Mtn. Wilderness Area, along trail N of Clear Lake 1951 Comment
  JEPS49353  Ribes marshallii W. L. Jepson 1907-7-4 2819 Siskiyou Shackelford Canyon Marble Mt. region Comment
  UC1408858  Ribes marshallii Frederick W. Oettinger 1968-8-4 387 Siskiyou along trail n Crapo Peak ridge; Salmon Mountains, Marble Mountain Wilderness Area 2194 Comment
  CAS-BOT-BC6179  Ribes nevadaense Alice Eastwood 1893-8-13 s.n. Siskiyou Mt. Shasta Comment
  CAS-BOT-BC217876  Ribes nevadense Ira L. Wiggins 1950-5-28 12372 Siskiyou On side of ridge above Grouse Creek, about 1.5 miles from Carmen Lake 1584 Comment
  CAS-BOT-BC219270  Ribes nevadense Alice Eastwood 1921-7-24 10777 Siskiyou Castle Lake Comment
  UC1608353  Ribes nevadense J. Kierstead 1991-6-3 91 -41 Siskiyou Lower Falls of the McCloud River McCloud Ranger Dist. 944 Comment
  CAS-BOT-BC199984  Ribes roezlii var. cruentum Alice Eastwood; John Thomas Howell 1937-6-26 5046 Siskiyou Salmon Mts. near Taylor Creek Comment
  RSA0024602  Ribes roezlii var. cruentum Geo. D. Butler 1909-7-23 780 Siskiyou [No location information on label.] Comment
  CAS-BOT-BC186286  Ribes roezlii var. roezlii A. A. Heller 1915-7-15 12078 Siskiyou Mt. Eddy 2072 Comment
  HSC33961  Ribes sanguineum J. P. Smith 1974-5-25 7445 Siskiyou Near junction of Rd. 8 with French Creek Rd. 1280 Comment
  JEPS8478  Ribes sanguineum Rimo Bacigalupi with J. P. Tracy, L. Constance, R. Moran, R. L. Rodriguez, and S. Carlquist 1951-6-16 3455 Siskiyou about 1.5 mi below and se of saddle at summit Takilma-Happy Camp road Comment
  UC1408854  Ribes sanguineum Frederick W. Oettinger 1969-7-9 936 Siskiyou nw Upper English Lake; Salmon Mountains, Marble Mountain Wilderness Area 1920 Comment
  CAS-BOT-BC144515  Ribes sanguineum var. sanguineum Doris K. Kildale 1929-7-20 8693 Siskiyou trail fm Elk Lick to Raspberry Lake, upper Indian Creek 1828 Comment
  HSC61942  Ribes sanguineum var. sanguineum Ruby Van Deventer 1959-7-9 Siskiyou Poker Flat 1555 Comment
  HSC65618  Ribes sanguineum var. sanguineum J. P. Smith, Steve Selva 1970-6-16 4078 Siskiyou 8 mi. W of Etna on road to Sawyers Bar. 1372 Comment
  CAS-BOT-BC173903  Ribes velutinum Lyman Benson 1929-3-27 1074 Siskiyou Rocky ledges by the Pacific Highway on Klamath River Comment
  CAS-BOT-BC173911  Ribes velutinum Alice Eastwood; John Thomas Howell 1940-6-14 8263 Siskiyou Lava Beds Nat. Mon. near Indian Wells Comment
  CAS-BOT-BC168793  Ribes viscosissimum Doris K. Kildale 1928-7-2 5344 Siskiyou Salmon Summit via Horn Creek Trail 1981 Comment
  HSC47  Ribes viscosissimum William J. Ferlatte 1966-7-6 187 Siskiyou Caribou Basin 1982 Comment
  UC1222366 Image available Ribes viscosissimum Joseph P. Tracy 1951-6-16 19500 Siskiyou summit of the Siskiyous at crossing of Takilma-Happy Camp Road Siskiyous Comment
  UC1173693  Romanzoffia californica Joseph P. Tracy 1939-4-29 16269 Siskiyou Somes Bar 182 Comment
  CAS-BOT-BC74658  Rorippa curvisiliqua John Thomas Howell 1939-8-5 15064 Siskiyou Spirit Lake, Marble Mountains. 1828 Comment
  UC375395  Rosa californica Geo. D. Butler 1908-6-20 1044 Siskiyou near Yreka Comment
  CAS-BOT-BC146755  Rosa gymnocarpa Annie M. Alexander; Louise Kellogg 1948-9-7 5593 Siskiyou On road between first and second forks to Lookouts; Black Bear Summit Comment
  RSA237785  Rosa gymnocarpa Frederick W. Oettinger 1969-7-11 970 Siskiyou Between English Lake and Diamond Lake. Salmon Mtns. High Lake Basins in the vicinity of English Peak. Marble Mtn Wilderness Area. 1951 Comment
  CAS-BOT-BC146798  Rosa gymnocarpa var. serpentina Doris K. Kildale 1929-8-24 8844 Siskiyou Preston Peak 2228 Comment
  CAS-BOT-BC147060  Rosa pisocarpa A. A. Heller 1915-7-18 12112 Siskiyou Metcalf's ranch, northeast base of Mt. Eddy 1188 Comment
  JEPS127707  Rosa pisocarpa Dean W. Taylor 1996-7-7 15822 Siskiyou Klamath National Forest. Scott Mountains; Highway 3 about 3 miles south of Scott Mountain Pass. Comment
  UC1871385  Rosa pisocarpa Barbara Ertter 2006-7-30 18742 Siskiyou S of Juanita Lake in mountains between Shasta and Butte valleys, 2.2 mi N of intersection with Little Shasta Road. 1584 Comment
  JEPS109651  Rosa spithamea Dean W. Taylor 2002-6-29 18204 Siskiyou Big Carmen Lake, Scott Mountain 1676 Comment
  JEPS125884  Rotala ramosior Dean W. Taylor 1996-7-27 15864 Siskiyou Klamath National Forest; Grass Lake, about 15 air miles NE of Weed. Comment
  HSC70622  Rubus laciniatus J. M. DiTomaso 1980-8-26 1920 Siskiyou Shasta Springs, 1 mi. along railroad track, N end of Scarlet Way, 4 mi. N of Dunsmir, W side of Sacramento River Comment
  JEPS47797  Rubus lasiococcus W. L. Jepson 1937-7-30 18563 Siskiyou Poker Flat Siskiyou Mts., (headwaters Indian Creek) 1584 Comment
  SBBG50769  Rubus lasiococcus J. M. Tucker, D. V. Hemphill 1974-7-27 4300 Siskiyou camp at Haypress Meadows, Marble Mtn Wilderness Area 1463 Comment
  JEPS80568  Rubus parviflorus Gilbert Muth 1965-8-4 165 Siskiyou Pothole in Marble Marble Mt. Wilderness Area, Pothole in Marble 1792 Comment
  CAS-BOT-BC157159  Rubus ursinus Louis C. Wheeler 1934-6-29 2824 Siskiyou Klamath National Forest. Soda Creek 1280 Comment
  HSC67721  Rudbeckia occidentalis John Palmer 1980-8-15 971 Siskiyou NE of Seiad Low Gap on spur of F.S. Rd. 46N50 1098 Comment
  UCD19426  Rudbeckia occidentalis J. DiTomaso 2001-7-24 s.n. Siskiyou N of Hwy 96 near Happy Camp. Comment
  CAS-BOT-BC422219  Rumex acetosella G. Muth 1966-7-18 414 Siskiyou Marble Valley Comment
  JEPS117466  Rumex conglomeratus Lowell Ahart, John Dittes 2010-7-30 16935 Siskiyou Along the west bank of the Shasta River, about 30 yards northwest of the East Louie Road Bridge, Shasta Big Springs Ranch, 1.6 miles (air) southwest of Big Springs Lake, 4.6 miles (air) northwest of Dwinnel Dam, 5.7 miles (air) southeast of Grenada 716 Comment
  UC375325  Rumex conglomeratus Geo. D. Butler 1908-7-5 514 Siskiyou near Yreka Comment
  JEPS93887  Rumex crispus Vernon H. Oswald and Lowell Ahart 1998-7-21 9345 Siskiyou 0.2 mi se of Old State Highway to Bray (ne of Weed and e of Grass Lake on the s side of Tennant Road, and on e side of intermittent stream draining Dry Lake); Tennant Road 1402 Comment
  UCD101332  Rumex kerneri G. D. Barbe 1980-6-5 2815 Siskiyou Abandoned dairy south of Knighton Road along Sacramento River, on Riverland Drive (Interstate 5 frontage road); between Redding and Anderson. 128 Comment
  RSA210801  Ruppia cirrhosa Robert F. Thorne, J. Henrickson, C. W. Tilforth 1969-9-3 39035 Siskiyou Along Highway 161 at north edge of White Lake, 13.5 miles east of junction of Highways 97 and 161. 1280 Comment
  CAS-BOT-BC445652  Sagittaria cuneata Calvin McMillan; Malcom A. Nobs 1949-6-17 799 Siskiyou Grass Lake, Highway 97 Comment
  CAS-BOT-BC102799  Salix bebbiana Elmer I. Applegate s.n. Siskiyou Willow Creek, near Dome Mountain, south of Lower Klamath Lake 1219 Comment
  LA208556  Salix exigua var. exigua W. B. C.; 1940-6-20 15158 Siskiyou along the Pacific Highway in the Klamath River gorge 609 Comment
  CAS-BOT-BC107781  Salix hindsiana Mrs. H. P. Bracelin 1931-6-22 477 Siskiyou Pit River at Gibson flat station, 125 km. north of Red Bluff 450 Comment
  CAS-BOT-BC107787  Salix hindsiana L. R. Abrams 1922-8-7 9903 Siskiyou Klamath River, 6 miles below Hornbrook Comment
  RSA610757  Salix laevigata Louis C. Wheeler 1935-5-11 3474 Siskiyou Klamath River at Ash Creek; Siskiyou Mountains. 610 Comment
  CAS-BOT-BC125153  Salix lasiandra var. lasiandra Grant 1902-9-11 5166 Siskiyou Sisson 1127 Comment
  CHSC13909  Salix lasiolepis E. L. Smith 1971-4-8 934 Siskiyou Yreka. 792 Comment
  SD998  Salix lasiolepis Mrs. H. P. Bracelin 1931-6-19 Siskiyou Northeast side of Mount Eddy, about 16 km northwest of Shasta City, above Metcalf ranch house 1424 Comment
  UC482244  Salix lasiolepis Mrs. H. P. Bracelin 1931-6-19 419 Siskiyou about 16 km nw Shasta City (ne side of mt., edge of stream above Metcalf ranch house); Mount Eddy 1425 Comment
  UC576382  Salix lasiolepis Mrs. H. P. Bracelin 1936-4-15 831 Siskiyou above Metcalf Ranch (e side of mt., 8-9 mi nw of Mt. Shasta City); Mt. Eddy, Wagon Creek 1203 Comment
  CAS-BOT-BC128303  Salix lasiolepis var. lasiolepis Doris K. Kildale 1929-4-27 7851 Siskiyou Cecilville, upper South Fork of Salmon River Comment
  CHSC9686  Salix lemmonii E. L. Smith 1971-8-20 1058 Siskiyou At Mt. Shasta City. 1085 Comment
  POM208268  Salix lucida subsp. lasiandra Louis C. Wheeler 1934-7-5 2893 Siskiyou Hungry Creek. Siskiyou Mtns. 1372 Comment
  CAS-BOT-BC125683  Salix melanopsis L. E. Smith 1914-7-6 751 Siskiyou Cantara Comment
  CAS-BOT-BC126150  Salix scouleriana L. E. Smith 1914-3-28 612 Siskiyou Weed Comment
  CAS-BOT-BC126152  Salix scouleriana L. E. Smith 1913-3-28 611 Siskiyou Weed Comment
  CAS-BOT-BC129034  Salix scouleriana Geo. B. Grant 1902-9-1 5168 Siskiyou Sisson 1219 Comment
  CAS-BOT-BC129038  Salix scouleriana Mrs. H. P. Bracelin 1931-6-20 443 Siskiyou North base of Mount Eddy, about 1 km. up from Metcalf ranch house, about 17 km. northwest of Shasta City 1170 Comment
  HSC99834  Salix scouleriana G. L. Clifton 1979-7-1 6189 Siskiyou Near Poker Flat, close to the town of Happy Camp 1538 Comment
  SBBG57986  Salix scouleriana Mrs. H. P. Bracelin 1931-6-21 472 Siskiyou N base of Mount Eddy, ca. 13 km NW of Shasta City, at bridge, ca. 1.3 km E of Burney Mill 1110 Comment
  UC449842  Salix scouleriana L. S. Smith 1931-6-1 15 Siskiyou near Mt. Shasta Mt. Shasta 1066 Comment
  UC576379  Salix scouleriana Mrs. H. P. Bracelin 1936-9-3 858 Siskiyou 11 mi. n.w. Shasta City (ca. 2 mi. e. of Burney Mill, at second bridge, n. base Mt. Eddy); n. base Mt. Eddy 1127 Comment
  UC618830  Salix scouleriana W. Bridge Cooke 1938-9-2 11590 Siskiyou Sisson Southern Trail Mt. Shasta Comment
  HSC27227  Salsola tragus J. P. Smith, J. O. Sawyer 1971-9-18 4800 Siskiyou Hwy. 3, between Callahan and Etna at the turnoff to the Proctor Ranch. Comment
  UCD125667  Salvia dorrii var. incana Robert E. Preston 1995-6-18 888 Siskiyou ca. 4 miles east of Hornbrook, on rock outcrop on north side of road to Irongate Reservoir. 670 Comment
  CAS-BOT-BC220810  Salvia dorrii var. incana A. A. Heller 1922-6-22 13667 Siskiyou Along the Pacific highway on the Klamath River Comment
  JEPS62712  Salvia dorrii var. incana Geo. D. Butler 1908-7-16 177 Siskiyou near Anderson Ferry, Klamath River; Klamath River Comment
  UC1408789  Sambucus mexicana Frederick W. Oettinger 1968-8-23 618 Siskiyou just w Upper English Lake (w Siskiyou Co.); Salmon Mountains, Marble Mountain Wilderness Area 1767 Comment
  UC61047  Sambucus mexicana W. A. Setchell, C. C. Dobie 1902-7-18 Siskiyou Sisson Mount Shasta Comment
  HSC29278  Sambucus racemosa var. racemosa Frederick W. Oettinger 1969-7-18 1059 Siskiyou Marble Mtn. Wilderness Area, E side of Upper English Lake. 1768 Comment
  SEINET3103512  Sambucus racemosa var. racemosa Steve Selva, Roger Jensen 1974-8-26 61 Siskiyou Collected along road 8 to Sugar Creek trail. Approx. 2 miles from highway 3. Comment
  SEINET3157602  Sanguisorba annua G. D. Butler 1910-6-3 1468 Siskiyou Quartz Valley Comment
  UC136486  Sanguisorba annua Dr. E. B. Copeland 1903-8-14 3585 Siskiyou Sisson 1066 Comment
  UC901893  Sanicula graveolens L. Constance 1950-7-16 3360 Siskiyou Little Grayback Peak near summit Little Grayback Peak 1737 Comment
  RSA237668  Sanicula graveolens Frederick W. Oettinger 1969-7-11 968 Siskiyou Near where the main trail splits off to English lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1829 Comment
  CHSC72236  Sarcobatus vermiculatus Vernon H. Oswald; Lowell Ahart 1998-8-16 9632 Siskiyou Butte Valley National Grassland near the junction of Meiss Lake-Sams Neck Rd. and Hwy. 97 ca. 5 mi north of Macdoel. 1295 Comment
  UCD118035  Sarcodes sanguinea D. V. Hemphill 1974-7-28 s.n. Siskiyou Stanshaw Trail, 1/4 mile south of Jawbone Camp, Marble Mountain Wilderness Area. 1554 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
  SEINET3411466 Image available Saxifraga mertensiana E. A. Meola 1939-4-22 68 Siskiyou Siskiyou lowlands; near Gasquet Comment
  RSA237684  Saxifraga nidifica Frederick W. Oettinger 1969-7-9 940 Siskiyou NW of Upper English Lake. Salmon Mtns. High Lake Basins in the vicinity of English Peak. Marble Mtn Wilderness Area. 1921 Comment
  RSA261470  Saxifraga nidifica var. claytoniifolia J. M. Tucker 1963-7-7 3727 Siskiyou In vicinity of Paradise Lake, at base of Kings Castle on the east side, Marble Mountain Wilderness Area. 1982 Comment
  RSA183690  Saxifraga odontoloma Gilbert Muth 1965-8-17 308 Siskiyou Lower creek on trail to Black Mountain, Marble Mts. Comment
  CDA25443  Saxifraga oregana T. C. Fuller 1966-5-26 14716 Siskiyou Between road and railroad tracks, north end of Mt. Shasta City. 0 Comment
  JEPS47635  Saxifraga oregana Milo S. Baker 1899-8-4 Siskiyou Dead Horse Canyon Comment
  UC166560  Saxifraga oregana Geo. D. Butler 1910-6-19 1590 Siskiyou Goosenest foothills 1524 Comment
  POM298393  Saxifraga tolmiei Lester Rowntree 1939-7-31 s.n. Siskiyou Caribou Lake. Comment
  CAS-BOT-BC445871  Saxifragopsis fragarioides John Thomas Howell 1939-8-3 14990 Siskiyou Spirit Lake, Marble Mts. 1828 Comment
  CAS-BOT-BC445883  Saxifragopsis fragarioides C. G. Pringle 1909-7-15 897 Siskiyou Highland Mine 1828 Comment
  JEPS84192  Saxifragopsis fragarioides L. R. Heckard with J. Hickman et al. 1986-7-17 6508 Siskiyou e Condrey Mt. (slopes of Alex Hole); e of Condrey Mt., slopes of Alex Hole 1930 Comment
  POM259289  Saxifragopsis fragarioides John T. Howell 1939-8-3 14990 Siskiyou Spirit Lake, Marble Mountains. 1829 Comment
  RSA0101699  Sceptridium multifidum Frederick W. Oettinger 1968-8-7 443 Siskiyou At the inlet meadow to Tobacco Lake. 1890 Comment
  CDA32669  Schedonnardus paniculatus Don Shaw 1980-8-5 Siskiyou Don Shaw Property, Ager Road, Montague 0 Comment
  RSA602813  Schedonorus pratensis L. C. Wheeler 1935-6-2 3545 Siskiyou Shasta River, Siskiyou Mountains. 732 Comment
  JEPS63953  Scirpus lineatus Geo. D. Butler 1909-5-23 857 Siskiyou near Yreka; near Yreka Comment
  UC971922  Scleranthus annuus subsp. annuus Herbert L. Mason 1950-7-15 14041 Siskiyou Scott Creek , Scott Creek (Scott Valley) Comment
  RSA138223  Scrophularia californica Percy C. Everett, E. K. Balls 1959-10-23 23939 Siskiyou 4 mi SW from Etna, on rd from Callaban to Somesbar, Salmon Mtns. 1677 Comment
  JEPS94857  Scutellaria antirrhinoides Vernon H. Oswald and Lowell Ahart 1998-8-3 9417 Siskiyou Kangaroo Lake Road (USFS 41N08) 3.9 mi se of Gazelle-Callahan Road at its intersection with USFS 41N10 Gazelle-Callahan Road; Kangaroo Lake Road 1554 Comment
  RSA445344  Scutellaria siphocampyloides Bonnie C. Templeton 1960-6-21 8539 Siskiyou Between Callahan and the summit of Scott mts. Comment
  CAS-BOT-BC64647  Sedum kiersteadiae E. B. Copeland 1903-8-18 3781 Siskiyou Mt. Eddy 2133 Comment
  CHSC118262  Sedum kiersteadiae Peter F. Zika 2013-6-28 26289 Siskiyou Route 26, 0.6 air km WNW of Gumboot Lake, Kalmath Range (KR) 1960 Comment
  CHSC118104  Sedum kiersteadiae Peter Zika; Barbara Wilson 2011-7-31 25677 Siskiyou 0.9 mile by roadd east of summit on Highway 3 at Scott Mountain; UTM zone 10, 525847 east, 4568011 north +- 30 feet. 1547 Comment
  HSC23663  Sedum lanceolatum J. O. Sawyer 1969-7-2 1003 Siskiyou E of Twin Lakes 2195 Comment
  UC205192  Sedum lanceolatum Harley P. Chandler June, 1901 1669 Siskiyou Marble Mountain North Coast Ranges, Marble Mountain 2438 Comment
  RSA0076356  Sedum lanceolatum E. K. Balls 1949-7-8 13915 Siskiyou Trail from Scott Mountain Camp to Carmen Lake, Scott Mt. 1753 Comment
  JEPS26913  Sedum laxum subsp. heckneri P. C. Hutchison 1961-5-22 2036 Siskiyou 5.7 mi s Happy Camp (2.7 mi n of Clear Creek on highway US299, w side of Klamath River); w side Klamath River, n of Clear Creek, s of Happy Camp Comment
  UCR246362  Sedum laxum subsp. heckneri Peter F. Zika 2011-7-19 25640 Siskiyou Klamath Range (KR), W side of Forest Service Road 1040, 2.9 road miles above junction with FS Road 10; above Middle Fork Applegate River, 1 air mile NW of Abney Butte, Siskiyou Mountains 675 Comment
  HSC69031  Sedum obtusatum subsp. retusum Maralyn A. Renner 1980-7-28 2177 Siskiyou Above Pacific Crest Trail, near ridge 1799 Comment
  HSC25457  Sedum obtusatum subsp. retusum J. P. Smith, J. O. Sawyer, Maralyn O'Meara 1972-7-3 5652 Siskiyou E of Cook and Green Pass 1524 Comment
  RSA597965  Sedum oregonense L. C. Wheeler 1963-8-31 8322 Siskiyou Siskiyou Mountains. Devil's Punch Bowl off Clear Creek. 1524 Comment
  UC144331  Sedum spathulifolium A. A. Heller 1905-6-1 7932 Siskiyou between Dunsmuir and Upper Soda Spring; between Dunsmuir and Upper Soda Spring Comment
  RSA0074771  Sedum spathulifolium E. K. Balls 1949-7-10 13966 Siskiyou Road from Sawyers Bar to Cecilville. 732 Comment
  CAS-BOT-BC443954  Selaginella scopulorum Dana York 2014-10-11 3226 Siskiyou Marble Mountain Wilderness. Klamath National Forest, Marble Mountain Wilderness, a few meters S and above Deep Lake. 1935 Comment
  HSC99740  Selaginella scopulorum J. O. Sawyer 1969-6-12 882 Siskiyou Ridge SE of Eaton Lake 2226 Comment
  HSC68064  Senecio aronicoides J. P. Smith 1976-5-21 8769 Siskiyou Klamath National Forest, FS Rd. 40N08, 6.9 mi. from its junction with Hwy. 3 1524 Comment
  HSC91209  Senecio fremontii Jennifer Whipple 1978-10-6 2391 Siskiyou Mt. Eddy, N-facing slopes in the Eddy Creek Drainage 2317 Comment
  CAS-BOT-BC363645  Senecio fremontii var. occidentalis Alice Eastwood 1912-8-30 2021 Siskiyou Mount Eddy Comment
  JEPS94673  Senecio integerrimus var. exaltatus Vernon H. Oswald and Lowell Ahart 1998-6-11 9216 Siskiyou near intersection of Meiss Lake-Sames Neck Rd. and Hwy. 97 (ca 5 mi n of Macdoel); Butte Valley National Grassland 1295 Comment
  UC1560410  Senecio integerrimus var. exaltatus E. Joyal and D. Mehlman 1988-6-25 1277 Siskiyou Happy Camp to Takilma road (at turn-off to Bolan Lake) 1524 Comment
  POM37677  Senecio integerrimus var. exaltatus Geo D. Butler 1910-5-15 1345 Siskiyou N...[illegible] McAdams Creek. Comment
  HSC22202  Senecio integerrimus var. major J. O. Sawyer 1968-7-9 417 Siskiyou Ridge between Sugar Creek and Duck Lake Creek drainages 2195 Comment
  UC1408878  Senecio integerrimus var. major Frederick W. Oettinger 1969-7-13 996 Siskiyou n of Upper English Lake (w Siskiyou County); Salmon Mountains, Marble Mountain Wilderness Area, English P 1889 Comment
  CAS-BOT-BC364420  Senecio triangularis D. H. Norris 1968-7-29 2214 Siskiyou Along trail from Big Flat to Yellow Rose Mine. 1828 Comment
  HSC69336  Senecio triangularis John Palmer 1980-8-13 780 Siskiyou Dead Cow Creek, near USFS Rd. 47N44, Beaver Creek Rd. 1616 Comment
  RSA237446  Senecio triangularis Frederick W. Oettinger 1967-8-20 291 Siskiyou Salmon Mountains. The High Lake basins in the vicinity of English Peak Marble Mountain Wilderness Area. Stream bank below stream, Tom Taylor Cabin. 2049 Comment
  UCR66584  Sibbaldia procumbens L. C. Wheeler 1934-8-2 3018 Siskiyou Siskiyou Mtns, Alex hole, Alex Canyon 1890 Comment
  SEINET11971662  Sidalcea glaucescens M. Ownbey, Meyer, F. G. 1940-1 2227 Siskiyou summit of Siskiyou Mountains, 21 mi N of Happy Camp Comment
  JEPS67250  Sidalcea oregana subsp. oregana Geo. D. Butler 1908-6-28 63 Siskiyou Oro Fino L. Eastlick Ranch, Oro Fino Comment
  RSA518677  Sidalcea oregana subsp. oregana W. L. Jepson 1940-6-28 20062 Siskiyou McCloud. 976 Comment
  UC1299200  Sidalcea oregana subsp. oregana Freed W. Hoffman 1951-7-15 4032 Siskiyou on w side Kelsey Creek (Hammond Camp, Marble Mountains, western Siskiyou County); North Coast Ranges, Marble Mountains 1524 Comment
  HSC46140  Sidalcea oregana subsp. spicata J. P. Smith, Steve Selva 1970-7-27 4516 Siskiyou Gumboot Lake 1768 Comment
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Jun 7 2012
  HSC58911  Sidalcea oregana subsp. spicata Marvin Butler 1971-7-21 185 Siskiyou Near Bell Echo Camp, close to the town of Cave Junction 1433 Comment
  JEPS67290  Sidalcea oregana subsp. spicata W. L. Jepson 1940-7-3 20110 Siskiyou 5 mi se Bartle (Big Bear Flat); se of Bartle, Big Bear Flat 1219 Comment
  UC108900  Sidalcea oregana subsp. spicata T. S. Brandegee 1887-7-1 Siskiyou Sisson's Comment
  UCD13282  Sidalcea oregana subsp. spicata K. F. Mawdsley 1996-7-10 14 Siskiyou California, Siskiyou County. From Castle Lake Trailhead to Little Castle Lake, T 39N R 4W, NW 1/4 of Section 19, Seven Lakes Basin 7.5 topo. Elevation 5450. Comment
  UCD116856  Sidalcea oregana subsp. spicata J. M. Tucker 1950-7-23 1934 Siskiyou roadside just west of Mount Shasta High School, town of Mount Shasta. Comment
  JEPS94629  Silene antirrhina Vernon H. Oswald 1998-6-11 9180 Siskiyou on w side of Hwy 97 2.2 mi ne Lake Shastina-Big Springs Rd. (ne of Weed); Shasta NF plantation 1066 Comment
  JEPS94897  Silene antirrhina Vernon H. Oswald and Lowell Ahart 1998-6-11 9180 Siskiyou ne of Weed (Shasta National Forest plantation on the w side of Highway 97 2.2 mi ne of Lake Shastina-Big Springs Road); Shasta National Forest plantation 1066 Comment
  HSC67837  Silene bernardina J. O. Sawyer, J. Cole 1980-7-22 3915 Siskiyou NW slopes of Cedar Mtn. 1524 Comment
  CAS-BOT-BC181189  Silene campanulata subsp. glandulosa Doris K. Kildale 1928-7-2 5342 Siskiyou Salmon Summit via Horn Creek Trail 1981 Comment
  SBBG2016  Silene campanulata subsp. glandulosa H. and M. Dearing 1939-6-3 3530 Siskiyou Spring Flat, Klamath Nat Forest Comment
  HSC29623  Silene campanulata subsp. glandulosa Frederick W. Oettinger 1968-8-16 543 Siskiyou Marble Mtn. Wilderness Area, N of Red Hill near outlet of Hancock Lake 1997 Comment
  RSA48002  Silene campanulata subsp. greenei Roxana S. Ferris, Laura Lorraine 1948-6-12 11806 Siskiyou At Mule Creek crossing n Scott Mountain Road south of Callahan. 1524 Comment
  UC1190192  Silene douglasii Ira L. Wiggins 1955-7-29 13580 Siskiyou trail to Caribou Lake , trail to Caribou Lake (Summit of ridge above Thompson Creek) 1999 Comment
  UC166126  Silene douglasii Geo. D. Butler 1909-7-15 963 Siskiyou Highland Mine Comment
  HSC19523  Silene douglasii J. O. Sawyer 1969-7-2 1032 Siskiyou NE facing slope near summit above Lipstick Lake 2226 Comment
  CHSC96163  Silene grayi L. P. Janeway 2006-7-3 8769 Siskiyou Klamath Ranges. Salmon Mountains; 100 m west of the Taylor Lake Trailhead Road 0.8 km south of the main road. North-facing edge at top of narrow rocky spur ridge. 1820 Comment
  UC618781  Silene grayi W. Bridge Cooke 1938-8-18 11494 Siskiyou Horse Camp Slopes , Horse Camp Slopes (sw slopes Mount Shasta) 2514 Comment
  UC136250  Silene grayi Copeland 1903-9-7 3853 Siskiyou Mt. Liddy Comment
  CAS-BOT-BC181253  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
  POM182779  Silene menziesii var. viscosa Geo. D. Butler 1909-6-10 967 Siskiyou Yreka Creek. Comment
  HSC68010  Silene vulgaris J. P. Smith, Steve Selva 1970-6-15 3893 Siskiyou Oak Bottom Campground near Somes Bar. 229 Comment
  RSA275295  Silene vulgaris J. O. Sawyer, E. Cope 1977-6-18 2902 Siskiyou Rock along clear Creek Trail below Ten miles Creek 457 Comment
  CDA3896  Sinapis arvensis T. C. Fuller 1958-4-17 4822 Siskiyou 4 miles east of Yreka. 0 Comment
  CHSC48344  Sisymbrium altissimum Vernon Oswald 1986-5-29 2068 Siskiyou Lower Klamath National Wildlife Refuge, on the tour route ca. 1.5 mi s of Hwy 161. On levees. 1245 Comment
  RSA715632  Sisymbrium altissimum L. Ahart, John Dittes 2005-6-9 12020 Siskiyou On the east side of a poor rock fence, about 350 yards E of where cattle water in the Shasta River, about 3/5 mile (air) south of Highway 99/97 Cutoff, about 2.5 miles (air) ESE of Grenada. 775 Comment
  UCD115472  Sisymbrium altissimum A. A. Heller 1916-7-21 12480 Siskiyou near Upton. Comment
  POM109017  Sisyrinchium bellum Geo D. Butler 1910-6-6 1556 Siskiyou Quartz Valley Comment
  RSA238754  Sisyrinchium bellum Frederick W. Oettinger 1969-8-1 1125 Siskiyou Wiregrass Meadow below English Lake, Elnglish Lake Basin. The Salmon Mountains, High Lake Basins in the vicinity of English Peak, Marble Mountain Wilderness Area 1677 Comment
  RSA145154  Sisyrinchium elmeri Dorothy Parker 1959-6-15 723 Siskiyou Near summit of Scott Mountain 1631 Comment
  CAS-BOT-BC5742  Sisyrinchium greenei H. E. Brown 1897-6-11 351 Siskiyou North side of Mt. Shasta 2743 Comment
  UC1037431  Smilacina racemosa Douglas Barbe 1955-8-1 323 Siskiyou Mt. Bolivar Scott Mountains (summit) 2468 Comment
  UC1409215  Smilax jamesii Frederick W. Oettinger 1969-8-1 1138 Siskiyou near stream below English Lake (vicinity of English Peak); Salmon Mountains, Marble Mountain Wilderness Area, High Lake 1813 Comment
  CHSC91239  Solanum dulcamara Lowell Ahart; John Dittes 2005-6-10 12078 Siskiyou In water on the north side of the Shasta River, about 60 yards northwest of the pump house along the Shasta River, about 1.9 miles (air) south of Highway 99/97 Cutoff, about 6 miles (air) east-southeast of Grenada. 776 Comment
  SEINET7262072 Image available Solanum villosum A. A. Heller 1915-8-24 12208 Siskiyou Metcalf's Ranch, NE base of Mount Eddy Comment
  SEINET12765229  Solidago californica Vernon Oswald, Lowell Ahart 1997-7-28 8791 Siskiyou Southeast of Medicine Lake at Paynes Springs.; 0 1981 Comment
  CAS-BOT-BC365553  Solidago elongata Copeland 1903-8-12 3823 Siskiyou Sisson Comment
  UC598533  Solidago elongata C. Hart Merriam Sept 1898 Siskiyou Wagon Camp , Wagon Camp (Mt. Shasta) Comment
  OBI53777  Solidago velutina subsp. californica David J. Keil 1992-7-20 23477 Siskiyou 10.3 mi W of Fort Jones along Scott River Rd 900 Comment
  HSC90601  Sorbus californica Jennifer Whipple 1976-7-9 1390 Siskiyou Dale Creek drainage on the N face of Mt. Eddy 2226 Comment
  HSC18982  Sorbus scopulina J. O. Sawyer 1969-8-4 1896 Siskiyou Above S Sugar Lake 2043 Comment
  CAS-BOT-BC158933  Sorbus scopulina W. R. Dudley 1899-8-15 s.n. Siskiyou Black Fox Mountains Comment
  SEINET5735644 Image available Sorbus scopulina J. M. Tucker 1963-1 3715 Siskiyou Vicinity of Paradise Lake, at base of King's castle on the E side.; Marble Mountain Wild. Area 1981 Comment
  CAS-BOT-BC149690  Spiraea douglasii Alice Eastwood 1921-7-24 10717 Siskiyou Castle Lake Comment
  CAS-BOT-BC149692  Spiraea douglasii Dr. E. B. Copeland 1903-8-12 3836 Siskiyou Sisson 1066 Comment
  UC454958  Spiraea douglasii I. J. Condit 1911-7-3 Siskiyou Shasta Retreat Sacramento River (along the Sacramento River) Comment
  JEPS78185  Spiraea douglasii Gary W. Zamzow 1972-7-20 97 Siskiyou 28.8 mi nw Highway 89 junction with Highway 299 (growing beside Highway 89) 1158 Comment
  HSC64782  Spiraea splendens var. splendens J. P. Smith, Steve Selva 1970-7-17 4447 Siskiyou Below Kangaroo Lake. 1890 Comment
  RSA237629  Spiranthes Frederick W. Oettinger 1969-8-12 1343 Siskiyou Abbotts Lower Cabin. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1220 Comment
  HSC78331  Spiranthes romanzoffiana L. P. Janeway 1983-9-11 667 Siskiyou Poker Flat, seep at NW side 1524 Comment
  CHSC71586  Stachys ajugoides var. rigida Vernon H. Oswald; Lowell Ahart 1998-8-3 9418 Siskiyou Kangaroo Lake Rd. (USFS 41N08) 3.9 mi southeast of Gazelle-Callahan Rd. at its intersection with USFS 41N10. Along a roadside drainage. 1554 Comment
  HSC62004  Stellaria crispa Ruby Van Deventer 1960-7-13 Siskiyou Poker Flat 1524 Comment
  UC8681  Stellaria longipes var. longipes C. B. Bradley 1879-1 Siskiyou Comment
  RSA377577  Stenanthium occidentale M. B. Dunkle 1945-7-24 9250 Siskiyou Klamath National Forest, Marble Mountains; Dads Pocket Comment
  CAS-BOT-BC375099  Stephanomeria Alice Eastwood 1912-7-20 1255 Siskiyou Hornbrook Comment
  CDA8849  Stephanomeria paniculata T. C. Fuller 1963-8-27 11159 Siskiyou Highway 97 to Weed, 5.7 miles south of Grass Lake Campground. 0 Comment
  RSA15798  Stephanomeria virgata C. B. Wolf 1927-8-26 1040 Siskiyou On the Klamath River, 4 mi N of Gottville. Comment
  HSC13337  Stipa comata R. C. Wunner 1965-6-22 269 Siskiyou Lava Beds N.M., 2 mi. N of Devils Homestead Overlook Comment
  HSC18975  Stipa occidentalis var. californica J. O. Sawyer 1969-7-19 1428 Siskiyou SW facing slope above Deacon Lee Trail 2180 Comment
  HSC71191  Stipa occidentalis var. californica M. A. Baker 1980-6-20 2222 Siskiyou Near Bald Mtn. 1036 Comment
  HSC92556  Stipa occidentalis var. occidentalis Jennifer Whipple 1976-7-14 1476 Siskiyou SE slope of Mount Eddy draining into the N Fork of the Sacramento River 2195 Comment
  CAS-BOT-BC61130  Streptanthus barbatus M. S. Baker s.n. Siskiyou Sacramento River near Sisson. Comment
  CAS-BOT-BC61132  Streptanthus barbatus W. R. Dudley 1905-8-4 s.n. Siskiyou Trail to Mount Eddy. Comment
  HSC75346  Streptanthus barbatus J. O. Sawyer, M. Mesler 1980-8-10 4027 Siskiyou Just W of Carmen Lake 1585 Comment
  CAS-BOT-BC87850  Streptanthus tortuosus A. A. Heller 1916-6-23 12433 Siskiyou Near Black Butte north of Sisson. 1127 Comment
  CAS-BOT-BC87852  Streptanthus tortuosus A. A. Heller 1940-7-25 15769 Siskiyou Along the pathway above Horse Camp Lodge, Mount Shasta. 2438 Comment
  CAS-BOT-BC87856  Streptanthus tortuosus Reed Rollins 1938-8-21 11555 Siskiyou Mount Shasta. Above Horse Camp and around the Horse Camp fountain overflow. 2438 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
  UC1492825  Streptanthus tortuosus Freed W. Hoffman 1951-7-12 4031 Siskiyou trail to Elk Lake Marble Mountains Comment
  UC1188081  Streptanthus tortuosus var. orbiculatus Philip A. Munz 1960-8-22 24193 Siskiyou Panther Meadows Mt. Shasta 2529 Comment
  HSC43270  Streptanthus tortuosus var. tortuosus K. Irwin 1977-5-22 392 Siskiyou On S Fork Salmon River Rd., 4.5 mi. W of Cecilville Comment
  HSC60663  Streptanthus tortuosus var. tortuosus J. P. Smith 1976-5-22 8781 Siskiyou Callahan Rd. along the E side of Scott Valley 1037 Comment
  JEPS73712  Streptanthus tortuosus var. tortuosus L. R. Heckard with T. I. Chuang 1968-7-3 1973 Siskiyou just off Hwy. 5 s.e. of Black Butte and w. of Mt. Shasta (City) 1173 Comment
  HSC67675  Streptopus amplexifolius John Palmer 1980-7-24 596 Siskiyou Klamath National Forest, Elk Hole 1503 Comment
  HSC69714  Streptopus amplexifolius Maralyn A. Renner 1980-7-15 1770 Siskiyou English Lake inlet 1780 Comment
  RSA47663  Streptopus amplexifolius Roxana S. Ferris, Laura Lorraine 11749 Siskiyou French Creek logging road west of Callahan. 1067 Comment
  UC1540179  Suaeda calceoliformis Dean W. Taylor 1987-8-9 9290 Siskiyou 8.3 mi w Highway 139 (along Highway 161 (Oregon border)); Lower Klamath National Wildlife Refuge 1249 Comment
  UC163669  Suaeda calceoliformis Geo. D. Butler 1910-8-21 1845 Siskiyou Shasta Valley Comment
  CAS-BOT-BC48105  Suksdorfia ranunculifolia Ira L. Wiggins 1955-7-27 13546 Siskiyou Caribou Lake, Salmon-Trinity Alps Primitive Area 2042 Comment
  HSC45155  Swertia albicaulis var. nitida J. O. Sawyer, E. Cope 1977-6-19 2951 Siskiyou Clear Creek Trail between Preston Creek and Trout Camp 915 Comment
  CAS-BOT-BC269613  Symphoricarpos albus var. laevigatus L. R. Short 1933-6-15 37 Siskiyou Klamath National Forest. Clear Creek 640 Comment
  CAS-BOT-BC269621  Symphoricarpos albus var. laevigatus Doris K. Kildale 1928-8-18 6445 Siskiyou Near head of North Fork of Salmon River at Finleys Upper Camp 1524 Comment
  CAS-BOT-BC269627  Symphoricarpos albus var. laevigatus D. K. Noyes 1911-9-29 30 Siskiyou Klamath National Forest Comment
  SFV5157  Symphoricarpos albus var. laevigatus B. C. Templeton 1960-6-21 8525 a Siskiyou Between the agricultural Experiment Station and the California state line._x000B_Grassy hillside. Comment
  HSC61152  Symphoricarpos mollis T. Jimerson, J. Pageau 1979-6-15 562 Siskiyou Near Bark Shanty Camp, close to the town of Orleans. 1067 Comment
  JEPS40846  Symphyotrichum bracteolatum Geo. D. Butler 1908-8-11 291 Siskiyou Shackleford Creek Comment
  HSC30275  Symphyotrichum bracteolatum William J. Ferlatte 1971-9-18 1372 Siskiyou Big Flat near public campground 1524 Comment
  HSC68185  Symphyotrichum foliaceum var. parryi J. P. Smith, J. O. Sawyer 1973-8-14 7296 Siskiyou W shore of Campbell Lake 1768 Comment
  CAS-BOT-BC98437  Symphyotrichum spathulatum Peter H. Raven 1956-9-5 10449 Siskiyou North Fork of Sacramento River 2194 Comment
  UC1282018  Symphyotrichum spathulatum Louise Kellogg Aug 8 1953-Aug 9 1953 117 Siskiyou Scott Mountain Public Campground Scott Mountains, Klamath National Forest 1630 Comment
  HSC69166  Symphyotrichum spathulatum var. spathulatum Maralyn A. Renner 1980-8-4 2214 Siskiyou Flint Valley 1390 Comment
  HSC85697  Symphyotrichum spathulatum var. spathulatum J. P. Smith 1980-8-24 10343 Siskiyou Klamath National Forest. Forest Rd. 40N03, 0.3 mi. from its junction with State Route 3; 2.72 mi. from county line 1463 Comment
  OBI77861  Symphyotrichum spathulatum var. spathulatum David J. Keil, Kathleen Keil 1992-7-24 23570 Siskiyou E of McCloud along hwy 89, 7.7 mi W of Shasta County line Comment
  UC163894  Tanacetum vulgare Geo. D. Butler 1910-8-13 1826 Siskiyou Oro Fino Comment
  JEPS105692  Taraxia subacaulis Julie Kierstead Nelson 1993-6-4 93009 Siskiyou Mud Well, ca. 20 mi E of Mount Shasta. McCloud Ranger District. Shasta-Trinity National Forests. 1392 Comment
  CHSC32898  Taraxia tanacetifolia J. P. Smith; Steve Selva 1970-8-9 4586 Siskiyou Roadside by Grass Lake. Comment
  SD88328  Taraxia tanacetifolia Darley F. Howe 1972-7-8 4880 Siskiyou Grass Lake, 21 miles north of Weed on #97 1524 Comment
  UC725378  Taraxia tanacetifolia A. A. Heller 1938-7-13 15265 Siskiyou along hwy just s Bray Comment
  CAS-BOT-BC81344  Taxus brevifolia Alice Eastwood 1917-9-2 6709 Siskiyou Shasta Springs Comment
  CAS-BOT-BC85235  Taxus brevifolia Louis C. Wheeler 1934-8-14 3138 Siskiyou West end White Mt., Siskiyou Mts., Mt. Diablo Mer. 1767 Comment
  HSC18878  Taxus brevifolia J. O. Sawyer 1968-9-13 758 Siskiyou W Branch Campground on Indian Creek N of Happy Camp Comment
  HSC73324  Taxus brevifolia Gail Newton 1980-6-20 481 Siskiyou Near Bald Mtn. 1097 Comment
  UC144226  Thelypodium brachycarpum A. A. Heller 1905-6-9 8011 Siskiyou Montague Comment
  RSA60794  Thelypodium flexuosum Dorothy Parker 1948-6-22 26 Siskiyou Shore line of lower Klamath Lake 1280 Comment
  UC62776  Thelypteris nevadensis unknown 1883-1 Siskiyou Castle Lake Castle Lake Comment
  HSC73350  Thermopsis macrophylla Gail Newton 1980-6-20 441 Siskiyou Near Bald Mtn. 1097 Comment
  UCD93360  Thinopyrum intermedium T. C. Fuller 1962-8-30 9498 Siskiyou 5 miles N of Klamath River, Siskiyou Mountains, E of Beaver Creek, Raggedass Gulch. 182 Comment
  JEPS45935  Thlaspi montanum var. montanum Rimo Bacigalupi and L. R. Heckard 1966-6-15 9179 Siskiyou just n Cedar Lake (in The Eddys, upper drainage of the South Fork of the Sacramento River); upper drainage of South Fork Sacramento River, n of Cedar La 1731 Comment
  JEPS54046  Thlaspi montanum var. montanum W. L. Jepson 1907-7-5 2842 Siskiyou Marble Mt. Comment
  CAS-BOT-BC66794  Thysanocarpus curvipes J. H. Thomas 1954-5-13 4153 Siskiyou Klamath National Forest. Salmon Mountains. Near South Fork of Salmon River, 5 to 9 miles southesat of Cecilville. 1127 Comment
  HSC41800  Tiarella trifoliata var. unifoliata Brent Whitely 1975-6-28 66 Siskiyou Irving sale of the Klamath National Forest 915 Comment
  CHSC43139  Tolmiea menziesii R. Banchero 1982-8-17 649 Siskiyou Ca 6 mi n of Happy Camp. N 1/4 mi from jct of F. S. roads 18N16 and 18N22 along 18N22. 975 Comment
  HSC30566  Torreyochloa pallida var. pauciflora Frederick W. Oettinger, R. F. Thorne 1969-8-7 1267 Siskiyou Salmon Mtns., Pine Lake. 1768 Comment
  HSC46950  Tragopogon dubius William J. Ferlatte 1974-7-16 1550 Siskiyou Big Flat near South Fork of the Salmon River, 100 yds. W of campground 1524 Comment
  HSC18876  Triantha occidentalis subsp. occidentalis J. O. Sawyer 1968-7-9 438 Siskiyou W of Little Duck Lake. 1936 Comment
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Jul 15 2010
  HSC60915  Triantha occidentalis subsp. occidentalis Al Hobart Siskiyou Black Butte Comment
  RSA602844  Tribulus terrestris Louis C. Wheeler 1935-7-13 3657 Siskiyou Ager. 793 Comment
  UCLA54787  Trichostema lanceolatum Edward Lee 1934-8-12 1047 Siskiyou Klamath River, S bank 1/4 mi W of Walker Creek (between Hamburg and Seiad Valley) North Coast Range 426 Comment
  CHSC71487  Trichostema oblongum Vernon H. Oswald; Lowell Ahart 1998-7-21 9358 Siskiyou Northeast of Weed, east of Grass Lake, and west of Bray on Old State Highway 0.8 mi east of Tennant Rd. 1417 Comment
  UC1258455  Trientalis latifolia Maralyn A. Renner 1980-6-24 1039 Siskiyou Tributary stream to East Fork Seiad Creek, where crossed by F.S. Road. 48N20 East Fork Seiad Creek; Klamath National Forest, East Fork Seiad Creek 1021 Comment
  HSC71477  Trifolium dubium J. P. Smith 1973-5-5 6544 Siskiyou Scott Bar along the Scott River Comment
  HSC68568  Trifolium eriocephalum Maralyn A. Renner 1980-6-22 923 Siskiyou 1 mi. N of Little Shasta River 1402 Comment
  HSC62305  Trifolium howellii Ruby Van Deventer 1955-8-5 Siskiyou Clear Creek Trail crossing, Trout Camp Comment
  JEPS48898  Trifolium howellii Geo. D. Butler 1908-8-3 385 Siskiyou below Log Lake (canyon, Shackleford Creek) Comment
  UC1409203  Trifolium hybridum Frederick W. Oettinger 1969-8-1 1130 Siskiyou near English Lake; Salmon Mtns, Marble Mtn Wilderness Area, English Peak vicini 1706 Comment
  UC866815  Trifolium hybridum A. A. Heller 1916-6-20 12415 Siskiyou Metcalf's Ranch ne base of Mt. Eddy 91 Comment
  RSA183650  Trifolium hybridum Gilbert Muth 1965-8-16 228 Siskiyou Marble Valley Comment
  HSC58923  Trifolium longipes Marvin Butler 1971-7-6 20 Siskiyou Near El Capitan, close to Cave Junction 1 Comment
  SBBG3845  Trifolium longipes subsp. oreganum H. and M. Dearing 1939-6-5 3556 Siskiyou E of McCloud 1066 Comment
  UCD109298  Trifolium productum Herbert L. Mason 1948-7-17 13601 Siskiyou Eastern Grass Lake. Comment
  SEINET4206959  Trifolium variegatum A. A. Heller 1905-6-5 7964 Siskiyou Between Shasta Retreat and Shasta Springs.; 0 Comment
  JEPS48904  Trifolium wormskioldii Geo. D. Butler 1908-7-2 381 Siskiyou near Yreka (Butler's Ranch) Comment
  JEPS66081  Trifolium wormskioldii W. L. Jepson July 1894 13650 Siskiyou Sisson Comment
  CAS-BOT-BC451782  Triglochin maritima Geo. D. Butler 1910-8-21 1846 Siskiyou Shasta Valley Comment
  SEINET3151091  Triglochin maritima G. D. Butler 1910-8-21 1846 Siskiyou Shasta Valley Comment
  CHSC95115  Trillium ovatum subsp. oettingeri L. P. Janeway 2006-7-2 8739 Siskiyou Klamath Ranges. Salmon Mountains; headwaters of West Fork Whites Gulch, a tributary of North Fork Salmon River from the south; between sharp switchbacks of Road 40N61. Steep north-facing slope just above alder-shaded creek. 1561 Comment
  HSC44968  Trillium ovatum subsp. oettingeri J. O. Sawyer 1978-6-20 3273 Siskiyou Marble Mtn. Wilderness Area, Hamilton Camp 1829 Comment
  RSA234821  Trillium ovatum subsp. oettingeri Frederick W. Oettinger 1967-6-27 126 Siskiyou West of Statue Creek near the point where the Music Creek logging road makes hairpin turn. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1756 Comment
  HSC27037  Trisetum canescens J. P. Smith, J. O. Sawyer 1972-9-14 5814 Siskiyou Trail to Little Duck Lake 1829 Comment
  HSC86562  Trisetum cernuum D. K. Imper 1987-7-21 Siskiyou 8 mi. E of Somes Bar, vicinity of Haypress Meadows 1372 Comment
  HSC18979  Trisetum spicatum J. O. Sawyer 1969-7-2 1004 Siskiyou E of Twin Lakes 2195 Comment
  HSC30533  Trisetum spicatum Frederick W. Oettinger 1968-9-6 734 Siskiyou Marble Mtn. Wilderness Area, trail SE of Tom's Cabin 2165 Comment
  RSA115547  Trisetum spicatum Beecher Crampton 1956-8-22 3854 Siskiyou Panther Meadow, south slope of Mt. Shasta 2317 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
  UC1265476  Trisetum spicatum Frederick W. Oettinger 1968-9-6 734 Siskiyou on trail se Tom's Lake (w Siskiyou Co., high lake basins in vicinity of English Peak); Salmon Mountains, Marble Mountain Wilderness Area 2164 Comment
  JEPS96987  Triteleia crocea var. crocea Dean W. Taylor 1999-7-18 17273 Siskiyou Wiegel Mile, headwaters of Nickelwaite Creek (ca. 6 air miles southwest from Hilt) 1463 Comment
  UC1618204  Triteleia hyacinthina Barbara Ertter with Julie Kierstead and Jim Nelson 1990-7-15 9369 Siskiyou ca 1 mi e Toad Lake (at head of river, ca 8 air mi w of Mt. Shasta City); Middle Fork Sacramento River 1981 Comment
  UCD78068  Triteleia ixioides subsp. anilina Robert E. Preston 2002-6-21 1869 Siskiyou Klamath National Forest, Rainbow Mountain, S slope, N of Trout Creek 1691 Comment
  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
  RSA331960  Tsuga mertensiana W. Wisura, D. Kelly 1985-7-30 4076 Siskiyou Along forestry road 47N63 near Siskiyou Summit, N of Horse Creek on Hwy 96. Comment
  SD76190  Tsuga mertensiana Helen V. Witham 1969-10-6 556 Siskiyou west face, granite cliffs above Kangaroo Lake 2100 Comment
  CAS-BOT-BC74101  Turritis glabra Marion Ownbey; Fred G. Meyer 1940-7-7 2207 Siskiyou Along Soap Ridge road, southwest of Yreka. Comment
  CAS-BOT-BC74097  Turritis glabra Wm. Bridge Cooke 1941-7-11 16040 Siskiyou Around MacBride Springs, Mount Shasta. 1524 Comment
  HSC67617  Typha latifolia J. P. Smith, Steve Selva 1970-8-7 4540 Siskiyou Jct. I-5 and Stewart Creek Rd. Comment
  CAS-BOT-BC404218  Urtica dioica subsp. holosericea Lewis S. Rose 1945-6-22 45163 Siskiyou Walker, Klamath River 533 Comment
  CHSC72243  Urtica dioica subsp. holosericea Vernon H. Oswald; Lowell Ahart 1998-9-16 9639 Siskiyou Hwy. 161 adjacent to a marsh at the Lower Klamath NWR 5.3 mi east of Hwy. 97. 1243 Comment
  UC1101479  Utricularia macrorhiza Calvin McMillan and Malcolm A. Nobs 1949-6-17 800 Siskiyou Grass Lake, Hwy. 97 Comment
  CAS-BOT-BC199201  Vaccinium cespitosum Harley P. Chandler 1901-6-1 1578 Siskiyou Near Marble Mountain 2133 Comment
  HSC91311  Vaccinium cespitosum Jennifer Whipple 1976-4-17 1029 Siskiyou Near Durney Lake 2073 Comment
  HSC98336  Vaccinium cespitosum J. O. Sawyer 1969-8-4 1893 Siskiyou Above S Sugar Lake 2043 Comment
  SJSU6545  Vaccinium cespitosum R. W. Trivelpiece 1973-6-21 151 Siskiyou Big Duck L, Scott R drainage c. 7.5 mi W of Callahan 2042 Comment
  UC1409422  Vaccinium deliciosum Frederick W. Oettinger 1969-7-14 1013 b Siskiyou Charmaine Lake Salmon Mountains, Marble Mountain Wilderness Area, English P 1920 Comment
  CAS-BOT-BC199233  Vaccinium membranaceum Wm. Bridge Cooke 1940-6-6 15032 Siskiyou Along the Castle Lake Road Comment
  HSC19360  Vaccinium membranaceum J. O. Sawyer 1968-6-18 224 Siskiyou Headwaters of Blake's Fork of S Russian Creek 1738 Comment
  HSC60769  Vaccinium membranaceum Ruby Van Deventer 1960-7-7 Siskiyou Bell Echo Camp in Youngs Valley Comment
  HSC36696  Vaccinium parvifolium Brent Whiteley 1975-7-11 157 Siskiyou 229 Comment
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Feb 25 2013
  HSC44966  Vaccinium uliginosum J. O. Sawyer 1978-6-20 3275 Siskiyou Marble Mtn. Wilderness Area, Hamilton Camp 1829 Comment
  POM128296  Valeriana capitata subsp. californica M. S. Baker 1898-8-1 480 Siskiyou Medicine Lake. Comment
  UC163749  Valerianella locusta Geo. D. Butler 1909-5-20 729 Siskiyou near Yreka Comment
  UC637032  Vancouveria hexandra Edward Lee 1934-8-13 1083 Siskiyou Happy Camp to Waldo (Oregon) road watershed of West Branch of Indian Creek; Klamath National Forest, watershed West Branch Indian Crk 1463 Comment
  HSC27716  Vancouveria planipetala Carl W. Mize 1972-6-8 18 Siskiyou Along main trail 305 Comment
  HSC99652  Vancouveria planipetala Jimerson, J. Pageau 1979-6-15 565 Siskiyou Near Bark Shanty Camp, close to the town of Orleans 1067 Comment
  UC164384  Veratrum californicum var. californicum Geo. D. Butler 1908-8-3 534 Siskiyou Shackleford Creek, Log Lake Comment
  UC455538  Verbascum blattaria I. J. Condit 1911-7-7 Siskiyou Shasta Retreat Comment
  RSA184821  Veronica alpina var. alterniflora Gilbert Muth 1966-7-18 413 Siskiyou Marble Gap Trail, Meadow above Marble Valley, Marble Mtns. 1829 Comment
  JEPS16834  Veronica americana Geo. D. Butler 1908-7-22 451 Siskiyou near Yreka (Butler's Ranch); Butler's Ranch Comment
  JEPS16838  Veronica americana W. L. Jepson July, 1894 21321 Siskiyou Sisson Comment
  JEPS66437  Veronica anagallis-aquatica L. R. Heckard and P. Rubtzoff 1971-8-2 2699 Siskiyou 2.2 mi w of Macdoel (along Meese Lake-Sams Nech Road) 1280 Comment
  CHSC1907  Veronica copelandii N. Jaekel 1939-7-29 Siskiyou Mount Eddy. 2590 Comment
  SBBG27153  Veronica persica L. C. Wheeler 1935-4-17 3425 Siskiyou Greenhorn Crk, Siskiyou Mts; T45N, R 7W, S19 1005 Comment
  UC27746  Veronica serpyllifolia subsp. humifusa Milo S. Baker 1893-8-6 Siskiyou Mount Spring, Medicine Lake Medicine Lake; Mount Spring, Medicine Lake Comment