Search Results — 2000 specimen records retrieved (1383 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/).
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? Specimen ID Determination * Collector Collection Date Collection Number County Locality Elevation in meters Feedback
  CAS-BOT-BC78133  Abies X shastensis Alan Bell 1962-7-1 s.n. Siskiyou Mosquito Lake, headwaters of Tangle Blue Creek, tributary of Trinity River, Trinity-Salmon Primitive Area 1981 Comment
  HSC31519  Abies X shastensis Steve Selva, Roger Jensen 1974-8-26 57 Siskiyou E side of Little Duck Lake Comment
  CAS-BOT-BC77937  Abies amabilis Eugene L. Parker 1961-10-3 s.n. Siskiyou Below [summitof] summit of Copper Butte on northern edge of Colony, Klamath National Forest 1920 Comment
  JEPS47975  Abies concolor W. L. Jepson 1902-7-18 2078 A Siskiyou trail to Salmon Forks; Western Siskiyou. Salmon Summit Comment
  SEINET3869603  Abies concolor Alv Dan Youngberg 1964-8-17 66 Siskiyou Growing at West Branch Guard Station. Humboldt Meridian.; 0 Comment
  CAS-BOT-BC78022  Abies grandis M. P. Anderson 1902-2-16 s.n. Siskiyou Ridge between Seiad and Hone Creek Comment
  HSC4985  Abies lasiocarpa J. O. Sawyer 1968-7-10 499 Siskiyou On trail to South Sugar Lake. 1982 Comment
  UC1229746  Abies magnifica var. shastensis Alan Bell 1962-7-1 Siskiyou headwaters, tributary of Trinity River Tangle Blue Creek; Scott Mountains, Trinity-Salmon Primitivve area, Mosquito La 1981 Comment
  UC54490  Acer circinatum H. M. Hall and E. B. Babcock June, 1903 4150 Siskiyou Pole Canyon Sierra Nevada Mountains, Pole Canyon (north-eastern Shasta County) 1463 Comment
  CAS-BOT-BC331015  Acer glabrum var. glabrum Doris K. Kildale 1928-7-2 5339 Siskiyou Salmon Summit via Horn Creek trail 1981 Comment
  CAS-BOT-BC331045  Acer glabrum var. glabrum Milo S. Baker 1926-8-22 295 b-26 Siskiyou Mineral to Sulphur Springs 1767 Comment
  HSC22292  Acer glabrum var. torreyi J. O. Sawyer 1969-6-10 794 Siskiyou Lower SE slope above Sugar Creek, near Sugar Lake. 1799 Comment
  CHSC91360  Achillea millefolium Lowell Ahart; John Dittes 2005-6-9 12039 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. 774 Comment
  HSC67706  Achillea millefolium John Palmer 1980-7-24 606 Siskiyou Klamath National Forest, Elk Hole 1503 Comment
  UCR37814  Achillea millefolium K. T. Stillman 1976-7-15 251 Siskiyou Marble Mountain Wilderness Area, Scott Bar 15' Q. 1951 Comment
  RSA671413  Achillea millefolium var. alpicola F. R. Schallert 1953-8-20 s.n. Siskiyou near Mt. Shasta Comment
  CAS-BOT-BC110707  Achnatherum nelsonii subsp. dorei L. P. Janeway 1983-8-26 606 Siskiyou Siskiyou Mountains. At Poker Flat. 1524 Comment
  JEPS104958  Achnatherum nelsonii subsp. dorei Dean W. Taylor 1996-6-28 15760 Siskiyou Antelope Mountain (about 8 air miles south of Yreka) 1798 Comment
  CAS-BOT-BC216921  Achnatherum occidentale John Thomas Howell 1937-7-26 13523 Siskiyou Caribou Basin, Salmon-Trinity Alps 2286 Comment
  CAS-BOT-BC216925  Achnatherum occidentale A. A. Heller 1916-6-22 12427 Siskiyou Near Black Butte N of Sisson 1097 Comment
  CAS-BOT-BC210865  Achnatherum occidentale subsp. californicum Alice Eastwood 1923-5-27 11961 Siskiyou Shasta Springs Comment
  CAS-BOT-BC218017  Achnatherum thurberianum Leo W Whitney 1934-6-27 1974 Siskiyou Near Dome Mountain, 27 miles NE of Tennant Comment
  SEINET11696160  Achnatherum thurberianum W. E. Moon 1958-5-29 s.n. Siskiyou State Hwy 97, 12 mi NE of Weed Comment
  RSA416308  Achyrachaena mollis Louis C. Wheeler 1935-5-26 3533 Siskiyou Siskiyou Mts. Mt. Diablo Mer. 854 Comment
  CHSC118648  Acmispon denticulatus Richard R. Halse 2016-5-29 9718 Siskiyou Along Hilt Road ca. 2.1 miles northwest of Hilt on the Oregon/California State Line. 876 Comment
  CHSC93524  Acmispon denticulatus Lowell Ahart; John Dittes 2005-6-9 12008 Siskiyou Open pasture field, on the east side of a poor rock fence, about 300 yards east of where cattle water in the Shasta River, about 3/5 mile (air) south of Highway 99/97 Cutoff, about 2 1/2 miles (air) east-southeast of Grenada. 774 Comment
  UC61081  Aconitum columbianum W. A. Setchell, C. C. Dobie 1902-7-22 Siskiyou Mt. Shasta, McCloud R., The Bend Comment
  UC853390  Aconitum columbianum John Thomas Howell 1937-7-22 13323 Siskiyou S. Fork Salmon R. near Big Flat; S. Fork Salmon R. 1524 Comment
  SJSU6270  Aconitum columbianum R. W. Trivelpiece 1971-8-9 64 Siskiyou Kangaroo L on Kangaroo Cr, S of East Fork Scott R between Gazelle & Callahan 1737 Comment
  CAS-BOT-BC391509  Aconitum columbianum subsp. columbianum John Thomas Howell 1939-8-5 15074 Siskiyou Spirit Lake, Marble Mts. 1828 Comment
  HSC22295  Aconitum columbianum subsp. columbianum J. O. Sawyer 1969-8-1 1604 Siskiyou Behind Horseshoe Lake 1921 Comment
  HSC64344  Aconitum columbianum subsp. columbianum J. P. Smith, Steve Selva 1970-7-18 4489 Siskiyou Hanging bog at Kangaroo Lake. 1890 Comment
  HSC92159  Aconitum columbianum subsp. columbianum Jennifer Whipple 1976-7-8 1352 Siskiyou Along drainage into SW side of Dobkins Lake 2195 Comment
  HSC86457  Aconogonon davisiae D. K. Imper Jun 1987 Siskiyou 8 mi. E of the town of Mt. Shasta 2134 Comment
  CAS-BOT-BC418813  Aconogonon phytolaccifolium Annie M. Alexander; Louise Kellogg 1949-7-19 5808 Siskiyou Paradise Lake, Marble Mountains 1920 Comment
  CAS-BOT-BC418818  Aconogonon phytolaccifolium Geo. D. Butler 1910-7-8 1674 Siskiyou Upper Campbell Lake 1676 Comment
  CAS-BOT-BC418814  Aconogonon phytolaccifolium L. S. Smith 1913-7-27 507 Siskiyou McCloud Comment
  SBBG15821  Actaea rubra D. Myrick 1961-6-20 290 Siskiyou Bear Springs on S slope of Mt Shasta 1676 Comment
  HSC4989  Adenocaulon bicolor J. O. Sawyer 1968-6-18 197 Siskiyou Above S Russian Creek on W side. 1463 Comment
  RSA184626  Adenocaulon bicolor Clare B. Hardham 1965-8-20 1302 Siskiyou Marble Mts. Granite Trail near Cudahy Lakes 1372 Comment
  POM197159  Adiantum aleuticum Anonymous 1881-07 s.n. Siskiyou Mount Shasta Comment
  UCD137174  Adiantum aleuticum H. P. Olmo 1931-6-1 s.n. Siskiyou Somesbar. Comment
  SEINET14139457 Image available Aegilops cylindrica T. C. Fuller 1960-5-24 4341 Siskiyou Roadside ditch, 4 mi. E. Montague Comment
  CAS-BOT-BC26634  Agastache parvifolia Alice Eastwood; John Thomas Howell 1940-6-14 8266 Siskiyou Lava Beds National Monument, near Schonchin Butte Comment
  CHSC12950  Agastache parvifolia K. R. Stern; D. B. Joley, J. G. Geschke 1974-6-23 5834 Siskiyou Vicinity of Blue Grotto Cave, Lava Beds National Monument. 1456 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-BC29450  Ageratina occidentalis Louis C. Wheeler 1934-8-9 3070 Siskiyou Dead Cow Creek, Siskiyou Mountains 1981 Comment
  HSC22431  Agoseris aurantiaca J. O. Sawyer 1969-7-18 1432 Siskiyou SW facing slope above Deacon Lee Trail 2195 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-BC15344  Agoseris heterophylla Alice Eastwood 1923-5-20 11862 Siskiyou Shasta Springs Comment
  HSC77023  Agoseris heterophylla K. T. Stillman 1976-6-25 53 Siskiyou Marble Mtn. Wilderness Area, SW facing slope. 1921 Comment
  SEINET7295881 Image available Agrostis alba Beecher Crampton 1956-1 3868 Siskiyou Abundant in a dry meadow of volcanic ash with surrounds of Abies forest, Wagon camp Road, ca. 5.5 miles southwest of Panther Meadow, south slope of Mt. Shasta 1646 Comment
  CAS-BOT-BC139559  Agrostis gigantea Melissa A. Berry 1957-7-2 s.n. Siskiyou Fay Lane, Scott Valley. 822 Comment
  HSC30511  Agrostis pallens Frederick W. Oettinger 1968-9-1 637 Siskiyou Marble Mtn. Wilderness Area, SE side of Abbot's Lake, on rocks and in rock crevices 1723 Comment
  RSA239089  Agrostis pallens Frederick W. Oettinger, Robert F. Thorne 1969-8-6 1230 Siskiyou South of Pine Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1921 Comment
  RSA384953  Agrostis pallens M. B. Dunkle 9324 Siskiyou Marble Mountains. 2439 Comment
  UC1265350  Agrostis pallens Frederick W. Oettinger 1969-8-22 1488 Siskiyou lower meadow at margin of meadow woods Salmon Mountains, Marble Mountain Wilderness Area, Horse Ran 1767 Comment
  HSC38393  Agrostis scabra J. D. Ackerman, A. M. Montalvo 1975-7-19 591 Siskiyou 3 mi E of McCloud, off Hwy 89, on USFS Rd 39N13 1067 Comment
  HSC65669  Agrostis scabra Donald W. Miles 1979-7-21 21 Siskiyou Near Black Fox Mt., 20 mi. NE of McCloud, 3/4 way up Shirttail Canyon. 1585 Comment
  JEPS72964  Agrostis scabra W. L. Jepson 1940-7-4 20112 Siskiyou 5 mi se Barlte; Big Bear Flat 1219 Comment
  UCD53583  Agrostis stolonifera Beecher Crampton 1956-8-20 3799 Siskiyou along US Hwy. 99, 0.5 mile south of Dunsmuir. 701 Comment
  UCD53628  Agrostis stolonifera A. H. Murphy 1958-8-4 58 -B Siskiyou Little Elk Lake Marble Mts. 1676 Comment
  HSC22461  Agrostis variabilis J. O. Sawyer 1969-8-5 1962 Siskiyou Slopes W of S Sugar Creek 1799 Comment
  HSC58901  Allium amplectens Marvin Butler 1971-7-29 247 Siskiyou Near Bell Echo Camp 1 Comment
  POM110212  Allium amplectens Geo D. Butler s.n. Siskiyou Yreka. Comment
  SEINET8118880  Allium bolanderi G. D. Butler 1910-6-3 1469 Siskiyou Quartz Valley. Comment
  JEPS104836  Allium bolanderi var. bolanderi Dean W. Taylor 1996-6-18 15727 Siskiyou Scott Mountains; bordering Shasta Valley, hillslopes about 4 miles south of Gazelle; Shasta-Trinity National Forests 1249 Comment
  HSC39472  Allium bolanderi var. mirabile J. P. Smith, Steve Selva 1970-7-15 Siskiyou Baldy Mtn. Lookout Station 1723 Comment
  HSC68554  Allium campanulatum Maralyn A. Renner 1980-6-8 797 Siskiyou Slopes E of Hwy. 3 1341 Comment
  UCD77310  Allium campanulatum Robert E. Preston 2002-6-20 1835 Siskiyou Klamath National Forest, Rainbow Mountain, 1911 Comment
  CHSC30249  Allium falcifolium M. S. Taylor 1980-7-8 3111 Siskiyou S of Castle Lake, above Hearts Lake. 2016 Comment
  JEPS84947  Allium falcifolium Barbara Ertter with Thomas J. Delendick 1987-5-17 6968 Siskiyou Summit Scott Mt. (1/2 mi e. of Rt. 3 on FR 40N08) 1706 Comment
  UC1076030  Allium falcifolium Herbert L. Mason 1947-5-17 14764 Siskiyou on Scott Mountain road 5 mi s Callahan Comment
  HSC30918  Allium siskiyouense Melinda F. Denton 1973-6-27 2797 Siskiyou Klamath National Forest, just S of border of Klamath and Siskiyou National Forests, 9 mi. S of intersection of 416C and 4007 on 416C 1628 Comment
  RSA240085  Allotropa virgata Frederick W. Oettinger 1969-8-23 1515 Siskiyou Between Chimney Rock and Smith Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1418 Comment
  CAS-BOT-BC171396  Alnus incana subsp. tenuifolia Geo. D. Butler 1910-5-10 1316 Siskiyou Goosenest foothills 1524 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
  RSA452797  Alnus rhombifolia E. E. Stanford 1930-6-15 1585 Siskiyou 1 mile north of Dunsmuir. Comment
  CAS-BOT-BC169700  Alnus rhombifolia W. R. Dudley; F. H. Lamb 1896-6-29 4751 Siskiyou Goodenough Meadows. Mt. Pinos Region Comment
  RSA452809  Alnus rhombifolia M. B. Dunkle 9178 Siskiyou Siskiyou National Forest. Comment
  HSC69223  Alnus viridis subsp. sinuata Maralyn A. Renner 1980-8-31 2621 Siskiyou Twin Valley. 1494 Comment
  UC1408784  Alnus viridis subsp. sinuata Frederick W. Oettinger 1968-8-3 383 Siskiyou near Base Camp (along trail bet. Diamond and Hancock Lakes, high lake basins in vicinity of English Peak, w Siskiyou Co.); Marble Mountain Wilderness Area, Salmon Mountains 2011 Comment
  HSC64811  Alyssum alyssoides J. P. Smith 1974-5-25 7371 Siskiyou Along Rd. 8, 0.9 mi. from its junction with Hwy. 3 976 Comment
  HSC18539  Amelanchier pallida R. C. Wunner 1965-8-21 466 Siskiyou California Lava Beds National Monument; 1/4 mile S from Cinder Pit in direction of Caldwell Cave 1402 Comment
  HSC101562  Amelanchier utahensis J. P. Smith, J. O. Sawyer 2010-5-6 12818 Siskiyou 732 Comment
  JEPS44697  Amelanchier utahensis W. I. Follett 1936-5-25 Siskiyou 11.6 mi sw Gazelle (upper canyon of Willow Creek) 1524 Comment
  UC466781  Amelanchier utahensis Annie M. Alexander and Louise Kellogg 1911-6-17 153 A Siskiyou Jackson Lake 1798 Comment
  UC637027  Amelanchier utahensis Edward Lee 1934-8-14 1112 Siskiyou Little Grayback; Siskiyou-Del Norte County line 1798 Comment
  UCD77329  Amelanchier utahensis Robert E. Preston 2001-6-23 1569 Siskiyou Rainbow Mountain and Vicinity. Klamath National Forest, N slope of Rainbow Mountain at Hemlock Lake. 1889 Comment
  HSC63987  Amsinckia intermedia J. P. Smith 1973-5-5 6533 Siskiyou Scott Bar along the Scott River Comment
  RSA240049  Anaphalis margaritacea Frederick W. Oettinger 1969-8-9 1314 Siskiyou Near young's Cabin . The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. Comment
  RSA416596  Anaphalis margaritacea L. C. Wheeler 1934-8-14 3120 Siskiyou 1 mile W White Mt. 1921 Comment
  HSC78210  Anemone deltoidea L. P. Janeway 1983-8-6 502 Siskiyou Poker Flat. W part of lower portion of meadow. 1529 Comment
  UCD95464  Anemone deltoidea A. H. Murphy 1961-7-19 61 G Siskiyou Marble Mountains. Klamath National Forest. Sky High Valley, north end. 1584 Comment
  CAS-BOT-BC391857  Anemone drummondii Dorothy Parker 1945-6-8 75 Siskiyou Rock Fence Lake to Deadfall Comment
  UC609311  Anemone drummondii Eleanor Burks Hart 1938-8-20 944 Siskiyou below Red Cap 2407 Comment
  CAS-BOT-BC391937  Anemone multifida Gilbert Muth 1965-8-6 s.n. Siskiyou North side of Black Mountain Comment
  UC1409273  Anemone occidentalis Frederick W. Oettinger 1968-8-4 389 Siskiyou along trail just n. Crapo Peak rdige; Salmon Mts., High Lake Basins, English Peak vicinity, Marble 2194 Comment
  UC1505784  Anemone occidentalis Robert T. Clausen and Harold Trapido 1940-7-27 4978 Siskiyou 3 mi. n.-n.e. of summit Mt. Shasta (w. side of w. fork of Mountainhouse Creek); S. Cascade Mts., Sacramento R. Basin, Mountainhouse Creek 2438 Comment
  UC903756  Anemone occidentalis M. B. Dunkle July, 1945 Siskiyou Marble Mts., Klamath Nat'l Forest Comment
  CAS-BOT-BC391982  Anemone occidentalis Wm. Bridge Cooke 1938-7-21 11303 Siskiyou Mount Shasta. South of Horse Camp Comment
  RSA211132  Anemone occidentalis William J. Ferlatte 1967-7-26 754 Siskiyou Caribou Basin, Sawtooth Ridge. 2043 Comment
  CDA42371  Anemopsis californica Jodi Aceves 2014-7-7 PDR# 470 P06027653 Siskiyou East of Grenada, off of Highway A-12, approx. 1/2 mile east of Ralston Road, south side. 0 Comment
  UCD127104  Angelica arguta K. M. Meyer; A. Townesmith 2007-7-31 180 Siskiyou Shasta-Trinity National Forest, 8.1 miles on NF Rd. 17, off US Hwy 97. 1607 Comment
  SD109159  Angelica arguta Joseph M. DiTomaso 1980-7-23 1782 Siskiyou End of road to Lily Pad Lake below Kangaroo Peak; 25 miles north of Seiad. 1525 Comment
  UCD127105  Angelica arguta R. Tofsrud 1948-8-3 s.n. Siskiyou Siskiyou-Del Norte (Oregon) County Line: Summit of Happy Camp, Waldo (Oregon) Road. 1554 Comment
  HSC71992  Angelica tomentosa J. M. DiTomaso 1980-8-7 1861 Siskiyou Rattlesnake Meadow, below Preston Peak 1631 Comment
  UCD127193  Angelica tomentosa J. M. Tucker; L. K. Mann 1963-7-4 3697 Siskiyou vicinity of U.S. Forest Service Public Camp, just east of Finley Camp, road from Etna to Sawyer's Bar. Comment
  HSC67769  Antennaria argentea John S. Palmer 1980-8-12 747 Siskiyou Road to Bearground Spring from Beaver Creek Rd. 1341 Comment
  JEPS22832  Antennaria argentea A. A. Heller 1916-7-20 12475 Siskiyou Near Wagon Creek Falls; Mt. Eddy. 1371 Comment
  UC165969  Antennaria dimorpha Geo. D. Butler 1909-4-4 573 Siskiyou near, dry hillside Yreka Comment
  CAS-BOT-BC58717  Antennaria geyeri A. A. Heller 1916-7-21 12482 Siskiyou Near Upton 1097 Comment
  UCR51806  Antennaria geyeri J. W. Thompson 1936-7-8 13158 Siskiyou Lava Bed National Monument Comment
  RSA238703  Antennaria howellii Frederick W. Oettinger 1968-9-3 679 Siskiyou Between Horse Range Lake and 'Horses Hole' pond. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1860 Comment
  UCD77338  Antennaria howellii subsp. howellii Robert E. Preston 2002-7-14 1930 Siskiyou Klamath National Forest, N slope of Rainbow Mountain 1850 Comment
  HSC21993  Antennaria media J. O. Sawyer 1969-8-4 1804 Siskiyou Above Sugar Lake 2134 Comment
  HSC92375  Antennaria media Jennifer Whipple 1976-7-23 1515 Siskiyou Dale Creek drainage on the N face of Mt. Eddy 2317 Comment
  UC1408808  Antennaria media Robert F. Thorne and Fred Oettinger 1969-8-10 38973 Siskiyou s slope of, (at Panther Creek Meadows) Mt. Shasta; Mt. Shasta National Forest, Panther Creek Meadows 2194 Comment
  JEPS25842  Antennaria media Rimo Bacigalupi with L. Constance and L. Heckard 1960-7-20 7457 Siskiyou meadow at headwaters of, just of Jeep Rd from Poker Flat to Twin Valley Indian Creek; Siskiyou Mts., Indian Creek 1584 Comment
  CAS-BOT-BC79903  Antennaria microphylla John Thomas Howell 1937-7-21 13177 Siskiyou South Fork of Salmon River near Big Flat 1524 Comment
  RSA238710  Antennaria rosea Frederick W. Oettinger 1969-9-3 1615 Siskiyou On the bedrock slopes of Shasta Ridge between English Peak and Diamond Lake . The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2073 Comment
  SEINET515906  Antennaria rosea subsp. confinis Vernon Oswald 1997-7-28 8789 Siskiyou Southeast of Medicine Lake at Paynes Springs. 1981 Comment
  HSC21990  Antennaria rosea subsp. rosea J. O. Sawyer 1969-7-9 1252 Siskiyou W facing slope above Bingham Lake 2317 Comment
  HSC67783  Antennaria rosea subsp. rosea J. O. Sawyer, J. Cole 1980-7-21 3842 Siskiyou N of FS Rd. 44N01 near intersection with road to Lava Camp. 1677 Comment
  RSA60648  Antirrhinum vexillocalyculatum subsp. breweri Rodney Gregg 1948-8-20 s.n. Siskiyou Along road at Quartz Valley, near Sniktaw Creek. 915 Comment
  UC1238901  Antirrhinum vexillocalyculatum subsp. breweri Freed W. Hoffman 1950-7-11 3724 Siskiyou 2.0 mi from north end of Cedar Camp road (Cedar Camp road, where the road joins the Klamath <River> again, and 42.5 mi n of Klamath <River> from the s end of Cedar Camp road, w Siskiyou Co.); North Coast Ranges Comment
  JEPS80555  Apocynum androsaemifolium Gilbert Muth 1965-8-6 191 Siskiyou trail backside of Black Mt.; Marble Mt. Wilderness Area, Black Mt. 1920 Comment
  CDA39740  Apocynum androsaemifolium T. C. Fuller 1960-6-29 4621 Siskiyou 6.5 miles southeast of Callahan, on road to Trinity Center. 0 Comment
  UC1483511  Aquilegia formosa Maralyn A. Renner 1980-8-21 2556 Siskiyou Kidd Creek Coffee Creek quad., Klamath National Forest 2042 Comment
  SEINET5337610  Aquilegia formosa G. Butler 1910-6-17 1576 Siskiyou Humbug mountain 1219 Comment
  RSA12588  Aquilegia formosa var. truncata Carl B. Wolf 1934-7-6 5998 Siskiyou 4.7 miles from Mt. Shasta City on Wagon Camp Road, SW slope of Mt. Shasta 1220 Comment
  CDA24646  Arabis breweri Don Shaw 1977-4-19 Siskiyou Old Highway 99 North, Yreka. 0 Comment
  RSA0125743  Arabis breweri Lincoln Constance, Reed C. Rollins 1942-5-13 2910 Siskiyou Klamath-Siskiyou Region: Scott River 2 miles northwest of Scott Bar. 488 Comment
  RSA237271  Arabis holboellii var. retrofracta Frederick W. Oettinger 1969-7-11 992 Siskiyou Near Half-way Spring, trail from English Lake to Diamond Lake. Salmon Mtns. High Lake Basin in the vicinity of English Peak. Marble Mountain Wilderness Area. 1898 Comment
  CAS-BOT-BC17367  Arabis oregana Lincoln Constance; Reed Clark Rollins 1942-5-13 2915 Siskiyou Scott River 10 miles southwest of Scott Bar. 609 Comment
  HSC67751  Arabis platysperma J. O. Sawyer, J. Cole 1980-7-21 3888 Siskiyou Near Haight Mtn. along USFS Rd. running S-SW 1939 Comment
  HSC67832  Arabis sparsiflora J. O. Sawyer, J. Cole 1980-7-22 3826 Siskiyou NW slopes of Cedar Mtn. 1524 Comment
  HSC67800  Arabis suffrutescens J. O. Sawyer, J. Cole 1980-7-22 3989 Siskiyou Little Horse Peak 1720 Comment
  HSC90606  Arabis suffrutescens Jennifer Whipple 1977-7-22 2037 Siskiyou Mt. Eddy, Dobkins Lake drainage on E facing slopes above Dobkins Lake 2256 Comment
  SEINET2118123  Arceuthobium abietinum subsp. wiensii R. L. Mathiasen, C. M. Daugherty 2008-8-8 08 -23 Siskiyou Klamath National Forest. Baldy Mountain, 18.2 km W of Indian Creek on forest road 17N11 (Doolittle Creek Road) 1820 Comment
  SEINET3239865  Arceuthobium monticola R. L. Mathiasen 2003-1 2003 -64 Siskiyou 1.4 km W of Cook and Green Pass. 1640 Comment
  CDA6780  Arctium minus T. C. Fuller 1960-8-23 4965 Siskiyou ca. 1 mile south of Greenview. 0 Comment
  UC1388343  Arctostaphylos Freed W. Hoffman 1948-7-8 2584 Siskiyou Waldo-Happy Camp Rd n West Branch Camp; North Coast Ranges Comment
  CAS-BOT-BC39983  Arctostaphylos nevadensis Wayne Roderick; Martha Roderick 1979-7-11 s.n. Siskiyou Mumbo Basin 1737 Comment
  CAS-BOT-BC45441  Arctostaphylos nevadensis Roxana S. Ferris; Laura Lorraine 1948-6-12 11801 Siskiyou At Mile Creek crossing on Scott Mt. Rd. s. of Callahan. 1493 Comment
  UC1190121  Arctostaphylos nevadensis Ira L. Wiggins 1955-7-27 13559 Siskiyou Caribou Lake Salmon-Trinity Alps Primitive Area 2042 Comment
  UC1733768  Arctostaphylos nevadensis Kay H. Beach 1940-5-15 633 Siskiyou between Bull Meadows and Goosenest Mtn. Goosenest Mtn. 2133 Comment
  CAS-BOT-BC46429  Arctostaphylos patula Doris K. Kildale 1929-4-27 7483 Siskiyou Upper South Fork of Salmon River. Comment
  CAS-BOT-BC46452  Arctostaphylos patula Roxana S. Ferris; Laura Lorraine 1948-6-12 11771 Siskiyou About 6 mi. from Etna on forks of Salmon Rd. 1706 Comment
  CAS-BOT-BC46458  Arctostaphylos patula John Thomas Howell 1937-7-25 13472 Siskiyou Caribou Basin, Salmon-Trinity Alps. 2286 Comment
  CAS-BOT-BC46475  Arctostaphylos patula W. R. Dudley 1899-8-9 s.n. Siskiyou Near Black Butte. Comment
  CAS-BOT-BC46514  Arctostaphylos patula A. A. Heller 1921-7-23 13586 Siskiyou Very common near the ice cave near the Pilgrim Creek forestry nursery. Comment
  HSC36958  Arctostaphylos patula J. P. Smith 1974-5-26 7570 Siskiyou Along FS Rd. 47N03 1524 Comment
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Feb 26 2013
  POM301588  Arctostaphylos patula C. Hart Merriam 1899-10-6 s.n. Siskiyou Sisson. Comment
  POM367402  Arctostaphylos patula B. C. Templeton 1964-6-10 10067 Siskiyou Moutain slope of Mt. Shasta. Comment
  SEINET2029610 Image available Arctostaphylos patula Reed C. Rollins, T. S. Chambers 1938-8-15 2722 Siskiyou 3 mi south of Weed 914 Comment
  UC796519  Arctostaphylos patula Roxana S. Ferris and Laura Lorraine Jun 12 1948-Jun 16 1948 11771 Siskiyou on Forks of Salmon Rd about 6 mi from Etna 1706 Comment
  CAS-BOT-BC47021  Arctostaphylos viscida subsp. viscida Lewis S. Rose 1945-6-22 45162 Siskiyou Walker, Klamath River. 533 Comment
  RSA12620  Arenaria congesta C. B. Wolf 1934-7-5 5965 Siskiyou 3.6 miles from Dry Lake Lookout on road to Horse Creek, Siskiyou Mountains 1982 Comment
  RSA423698  Arenaria serpyllifolia L. C. Wheeler 1934-6-3 2623 Siskiyou Cherry Flat, Klamath River; Siskiyou Mts. 518 Comment
  RSA47977  Arenaria serpyllifolia Roxana S. Ferris, Laura Lorraine 1948-6-12 11721 Siskiyou French Creek logging road west of Callahan. 1067 Comment
  HSC45209  Arnica cernua J. O. Sawyer, E. Cope 1977-6-20 2966 Siskiyou Behind Devil's Punchbowl 1829 Comment
  UC1608321  Arnica chamissonis J. Kierstead 1990-8-23 90 -136 Siskiyou small sedge meadow associated with spring feeding Cold Creek; Shasta-Trinity National Forests, McCloud Ranger District 1615 Comment
  RSA34970  Arnica chamissonis subsp. foliosa Roxana S. Ferris, Laura Lorraine 1941-8-11 10499 Siskiyou Grass Lake Station, on US Hwy 97 1555 Comment
  SEINET11837690  Arnica cordifolia H. P. Chandler 1901-1 1615 Siskiyou near Marble Mountain 2134 Comment
  SEINET3085712 Image available Arnica foliosa A. A. Heller 1938-7-13 15270 Siskiyou Meadows south of Bray Comment
  CAS-BOT-BC82655  Arnica latifolia W. R. Dudley 1901-8-23 s.n. Siskiyou Rocky Peak, Foxtail Ridge, Salmon Mts. Comment
  RSA211215  Arnica latifolia William J. Ferlatte 1967-8-20 1042 Siskiyou Caribou Basin. Broad open basin with scattered meadows and bare rock surfaces. 2287 Comment
  SEINET3098740 Image available Arnica latifolia C. L. Hitchcock, J. S. Martin 1939-7-7 5233 Siskiyou On road to Bolan Lake, 5 miles from cut-off at junction with Takilma-Happy Camp road. 1770 Comment
  CAS-BOT-BC82689  Arnica longifolia Bassett Maguire 1939-8-10 13864 Siskiyou along the wall of Mud Creek Canyon 2286 Comment
  CAS-BOT-BC82773  Arnica mollis W. B. Cooke; V. G. Cooke 1946-8-29 17629 Siskiyou along Squaw Creek, Mt. Shasta 2286 Comment
  UC1408811  Arnica parryi Frederick W. Oettinger 1969-7-28 1087 Siskiyou Tom's Upper Pond (above) Marble Mountain Wilderness Area, English Peak, The Salmon Mo 2026 Comment
  JEPS24419  Arnica viscosa P. A. Munz 1960-8-22 24189 Siskiyou above Panther Meadows; Mt. Shasta, Panther Meadows 2529 Comment
  JEPS57207  Arnica viscosa L. R. Heckard 1967-8-14 1732 Siskiyou above Horse Camp; Mt. Shasta 2560 Comment
  CAS-BOT-BC146278  Arrhenatherum elatius var. elatius Gilbert Muth 1966-8-1 487 Siskiyou Marble Mountains. Marble Valley Horse Pasture. 1792 Comment
  UCR45430  Artemisia arbuscula K. T. Stillman 1976-9-9 483 Siskiyou Marble Mountain Wilderness Area 1951 Comment
  RSA186317  Artemisia campestris subsp. borealis Gilbert Muth 1966-7-22 186317 Siskiyou Marble Rim, Marble Mountains 2195 Comment
  SEINET516319  Artemisia cana subsp. bolanderi Vernon H. Oswald 1998-9-16 9628 Siskiyou Butte Valley National Grassland near the junction of Meiss Lake-Smas Neck Rd. and Hwy. 97 ca. 5 mi N of Macdoel. 1295 Comment
  JEPS94675  Artemisia ludoviciana subsp. incompta Vernon H. Oswald and Lowell Ahart 1998-7-21 9339 Siskiyou on s side of Tennant Rd. 0.2 mi se Old State Hwy. to Bray (and on e side of intermittent stream draining Dry Lake) 1402 Comment
  CAS-BOT-BC93709  Artemisia norvegica subsp. saxatilis Annetta Carter 1939-8-21 1471 Siskiyou Steep slope above southeast end of Taylor Lake, 12 miles southwest of Etna, Salmon Mountains 2194 Comment
  RSA237600  Aruncus sylvester Frederick W. Oettinger, Robert F. Thorne 1969-8-9 1327 Siskiyou Near Five miles Point, Stock gate slope near Herr Creek. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1098 Comment
  CAS-BOT-BC400585  Asarum caudatum Alice Eastwood 1912-7-16 1140 Siskiyou McCloud Comment
  RSA238015  Asarum caudatum Frederick W. Oettinger 1968-8-14 510 Siskiyou In deep shade of alder thicket approx 100 yards down stream from Tom Taylor Cabin Spring. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2012 Comment
  CAS-BOT-BC400695  Asarum hartwegii Alice Eastwood 1912-7-17 1174 Siskiyou Sisson Comment
  UC220787  Asclepias cordifolia H. E. Brown Jun 11 1897-Jun 16 1897 371 Siskiyou n side Mt. Shasta 1524 Comment
  RSA401670B  Asclepias cordifolia E. E. Stanford 1930-6-15 1594 Siskiyou Near Shasta City Comment
  SEINET3158762  Asclepias fascicularis G. D. Butler 1910-6-29 1613 Siskiyou near Yreka Comment
  HSC60013  Asparagus officinalis M. A. Baker 1977-6-27 387 Siskiyou Happy Camp. Comment
  CAS-BOT-BC69561  Aspidotis densa Elizabeth McClintock; Wayne Roderick; Martha Roderick 1967-7-29 s.n. Siskiyou Road to Mumbo Basin, trinity Mts. 1889 Comment
  HSC92678  Aspidotis densa Jennifer Whipple 1976-8-20 1725 Siskiyou Wagon Creek drainage on the E face of Mount Eddy 2195 Comment
  SEINET10945674  Aspidotis densa Andrew Townesmith, Karen M. Meyer 2007-8-1 Townesmith 885 Siskiyou Shasta-Trinity National Forest. 11.7 miles up Stewart Springs road/Forest Service road 17 (distance from intersection of Stewart Springs and Old 99 Highway). T41N R6W near sections 28 and 33. 1983 Comment
  RSA211214  Aster ledophyllus William J. Ferlatte 1966-8-3 298 Siskiyou Yellow Rose Mine. Trinity Alps 1982 Comment
  CAS-BOT-BC177277  Astragalus accidens var. hendersonii L. E. Smith 1913-7-1 s.n. Siskiyou Hilt Comment
  HSC71622  Astragalus californicus J. P. Smith 1973-5-5 6552 Siskiyou Scott Bar along the Scott River Comment
  HSC99986  Astragalus californicus Thomas W. Nelson 2005-7-16 9377 Siskiyou Along F. S. Rd. 42N16. 1337 Comment
  RSA0006722  Astragalus californicus R. C. Barneby 1954-5-16 11518 Siskiyou Scott Bar. 549 Comment
  RSA111033  Astragalus curvicarpus R. C. Barneby 1954-5-18 11504 Siskiyou 2.5 miles N of Gazelle. Alt. 2750 feet. Comment
  CAS-BOT-BC177861  Astragalus curvicarpus var. curvicarpus R. C. Barneby 1954-5-15 11504 Siskiyou 2 1/2 miles n. of Gazelle 838 Comment
  CAS-BOT-BC187306  Astragalus lentiginosus var. lentiginosus A. A. Heller 1905-6-19 8062 Siskiyou Grenada Station Comment
  RSA48586  Astragalus purshii var. lectulus P. A. Munz 1949-5-18 13310 Siskiyou 2 miles southwest of Gazelle. Comment
  JEPS95304  Astragalus whitneyi var. siskiyouensis Vernon H. Oswald and L. Ahart 1994-7-11 6398 Siskiyou T39N R6W NE1/4 Sec. 26, 6320 ft, Red Fir Forest. Forest Rd. 26 (to Mt. Shasta) 0.6 mi N of Gumboot Trailhead on the Pacific Crest Trail, W of Dunsmuir 1926 Comment
  UC1001149  Astragalus whitneyi var. siskiyouensis Dorothy Parker 1952-7-26 12 Siskiyou Cabin Meadow Creek 1981 Comment
  UC1001185  Astragalus whitneyi var. siskiyouensis Dorothy Parker 1953-7-20 547 Siskiyou Cabin Meadow Creek near Cory Peak (Siskiyou Mountains, dry rocky hillside); Siskiyou Mountains, Cabin Meadow Creek nr Cory Peak 1981 Comment
  CAS-BOT-BC198716  Astragalus whitneyi var. siskiyouensis Elizabeth McClintock; Wayne Roderick; Martha Roderick 1967-7-29 s.n. Siskiyou Between turnoff to Picayne Lake and Mumbo summit, Trinity Mts. 1889 Comment
  CHSC63505  Asyneuma prenanthoides Vernon H. Oswald; Lowell Ahart 1994-8-1 6421 Siskiyou Forest Rd. 26 paralleling the South Fork of the Sacramento River, 0.3 mi E of Forest Rd. 40N43, 9.0 mi SW of the dam at Lake Siskiyou. 1438 Comment
  POM197146  Athyrium filix-femina subsp. cyclosorum Geo D. Butler 1910-07 1675 Siskiyou Schackleford Creek 1220 Comment
  CAS-BOT-BC66189  Athyrium filix-femina var. cyclosorum A. A. Heller 1915-8-26 12234 Siskiyou Mt. Eddy 1828 Comment
  UC673287  Athysanus pusillus Lincoln Constance, Reed C. Rollins 1942-5-13 2916 Siskiyou Scott River 10 mi sw of Scott Bar; Klamath-Siskiyou Region, Scott River 609 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
  CAS-BOT-BC106501  Balsamorhiza deltoidea Alice Eastwood 1923-5-23 11927 Siskiyou Cantara Comment
  OBI55453  Balsamorhiza deltoidea David J. Keil 1992-7-20 23510 Siskiyou Klamath Natl forest, SW of Fort Jones. Along forest rd 46N64, 4.8 mi W of Scott river Rd 800 Comment
  RSA30371  Balsamorhiza hookeri var. lagocephala Lincoln Constance, Reed C. Rollins 1942-5-14 s.n. Siskiyou 1 mile E of Yreka 762 Comment
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Apr 26 2007
  CHSC75669  Balsamorhiza hookeri var. lanata Vernon H. Oswald; Lowell Ahart 1999-7-5 9811 Siskiyou Gazelle Mtn. on road 41N03 0.6 mi southeast of Gazelle-Callahan Hwy. 1524 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
  HSC101715  Berberis aquifolium var. dictyota J. P. Smith, J. O. Sawyer 2011-6-25 13264 Siskiyou At the junction of Hwy. 3 and Callahan - Gazelle Road. 834 Comment
  HSC39319  Berberis aquifolium var. repens J. P. Smith 1974-5-26 7382 Siskiyou Along FS Rd. 47N03 1524 Comment
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Feb 26 2013
  CAS-BOT-BC75731  Berberis nervosa William Bridge Cooke 1940-8-8 15415 Siskiyou Mount Shasta. Below the McCloud intake along Squaw Valley Creek. 1371 Comment
  HSC65539  Berberis nervosa R. White 1977-6-4 74 Siskiyou E shore of Buck Lake 1293 Comment
  OBI20531  Berberis nervosa H. E. McMinn 1932-6-27 2532 Siskiyou Serad Valley to Clear Crk, Klamath River Comment
  CAS-BOT-BC75920  Berberis piperiana Doris K. Kildale 1929-5-11 7714 Siskiyou Cecilville upper South Fork of Salmon River. Comment
  CAS-BOT-BC75936  Berberis piperiana C. Hart Merriam 1919-10-12 s.n. Siskiyou Scott Valley (near Etna). Comment
  UC796520  Betula occidentalis Roxana S. Ferris and Laura Lorraine Jun 12 1948-Jun 16 1948 11823 Siskiyou Plowman's (Noyes) Valley east fork of Scott River drainage, Parker Ranch 1203 Comment
  HSC68518  Bistorta bistortoides Maralyn A. Renner 1980-6-26 1168 Siskiyou Flint Valley. 1390 Comment
  HSC92957  Bistorta bistortoides Jennifer Whipple 1978-10-6 2400 Siskiyou Primarily N facing slopes in the Eddy Creek drainage. 2317 Comment
  HSC82282  Blepharipappus scaber Thomas W. Nelson, Jane P. Nelson 1979-6-15 4801 Siskiyou Along road to Carmen Lake, 0.6 mi. from junction with State Route. 1646 Comment
  CAS-BOT-BC16049  Boechera breweri subsp. shastaensis Alice Eastwood; John Thomas Howell 1934-4-20 1762 Siskiyou Near Yreka along Shasta River. Comment
  UC1783914  Boechera pauciflora Geo. D. Butler 1908-8-4 125 Siskiyou head of Shackelford Creek 1676 Comment
  UCD77347  Boechera paupercula Robert E. Preston 2001-7-21 1730 Siskiyou Klamath National Forest, north slope of Rainbow Mountain, T42N R1W ne 1/4 Section 22 2072 Comment
  CAS-BOT-BC25431  Boechera retrofracta Reed Rollins 1940-6-6 15074 Siskiyou Near the outlet of Castle Lake. 1676 Comment
  CAS-BOT-BC25616  Boechera retrofracta John Thomas Howell; T. C. Fuller; G. D. Barbe 1980-4-29 53410 Siskiyou Fort Jones. 853 Comment
  CAS-BOT-BC25693  Boechera sparsiflora E. K. Balls 1949-7-9 1394 Siskiyou 8.3 miles from Etna on road to Sawyer's Bar. 1005 Comment
  UC165991  Boechera subpinnatifida Geo. D. Butler 1910-6-1 1446 Siskiyou Yreka Comment
  HSC248  Boschniakia strobilacea William J. Ferlatte 1966-8-5 345 Siskiyou N side of Caribou Mtn. 1982 Comment
  HSC62621  Botrychium multifidum Ruby Van Deventer 1957-8-4 Siskiyou Youngs Valley 1768 Comment
  HSC96288  Boykinia major Gordon Leppig 1998-8-14 1009 Siskiyou Klamath National Forest, Russian Wilderness, Little Duck Lake Fen, cirque W of Little Duck Lake 2200 Comment
  RSA15650  Brickellia californica C. B. Wolf 1927-8-26 1005 Siskiyou Klamath River, 5 miles below Hornbrook. Comment
  UC1040686  Brickellia greenei Beecher Crampton 1956-8-21 3840 Siskiyou bench above Sacramento River, just below junction of the Middle Fork with the South Fork Sacramento River 1112 Comment
  UC635731  Brodiaea elegans subsp. elegans D. Tebbe 1929-7-15 135 Siskiyou White's Gulch Salmon Mts. Comment
  HSC36749  Brodiaea elegans subsp. elegans Brent Whiteley 1975-6-23 40 Siskiyou 223 Comment
  CAS-BOT-BC149495  Bromus briziformis A. A. Heller 1905-6-20 8075 Siskiyou Shasta Valley. Gazelle. Comment
  UCD58305  Bromus carinatus L. D. Whitney 1935-7-15 s.n. Siskiyou Bulls-Eye Lake. Comment
  UC1130981  Bromus carinatus var. carinatus H. S. Yates 1936-6-21 5832 Siskiyou 1 mi w of Signal Butte 1341 Comment
  CAS-BOT-BC148792  Bromus carinatus var. marginatus Elmer I. Applegate 1935-6-10 9480 Siskiyou South slope of Caldwell Butte. Lava Beds National Monument. Comment
  UCD59121  Bromus carinatus var. marginatus Beecher Crampton 1956-8-21 3816 Siskiyou Ca. 15-16 miles southwest of Mt. Shasta City. Above Gumboot Lake, headwater of the south fork of the Sacramento River. 1920 Comment
  CAS-BOT-BC155960  Bromus commutatus John Thomas Howell 1952-6-14 28350 Siskiyou East of Etna on Fort Jones-Callahan Road. Comment
  SEINET14341973  Bromus diandrus R. E. Frenkel 1963-1 236 Siskiyou W. of Everitt Memorial Hwy, 1.7 mi N of McCloud River RR Crossing, near Mount Shasta. 1291 Comment
  JEPS69188  Bromus hordeaceus Geo. D. Butler 1909-5-26 819 Siskiyou field near Yreka Comment
  UCD58799  Bromus hordeaceus Geo. D. Butler 1909-5-26 819 Siskiyou Field near Yreka. Comment
  CAS-BOT-BC155279  Bromus inermis Hans Karstensson; Ethel Hyde 1939-7-26 s.n. Siskiyou Near Tule Lake, northeast corner of Siskiyou county. 1280 Comment
  UCD58887  Bromus laevipes Lewis S. Rose 1945-6-18 45087 Siskiyou Horse Creek and Klamath River. 502 Comment
  POM363433  Bromus marginatus M. B. Dunkle 1945-1 9214 Siskiyou Klamath National Forest; Marble Mountains, Black Marble ridge [?]. Comment
  JEPS69222  Bromus tectorum George D. Butler 1909-8-16 860 Siskiyou near Yreka Comment
  UC1024790  Bromus tectorum Leo Whitney 1934-6-29 2232 Siskiyou Tennant 1524 Comment
  HSC103034  Bromus tectorum J. P. Smith 2014-6-7 13892 Siskiyou Etna Comment
  CAS-BOT-BC185381  Bromus vulgaris John Thomas Howell 1939-8-5 15067 Siskiyou Spirit Lake, Marble Mountains. 1828 Comment
  SEINET7379693 Image available Cacaliopsis nardosmia G. D. Butler 1910-5-1 1266 Siskiyou Humbug Mountains Comment
  CAS-BOT-BC185255  Calamagrostis koelerioides Geo. D. Butler 1910-7-12 1746 Siskiyou Shackleford Creek. 1371 Comment
  HSC30642  Calamagrostis koelerioides Frederick W. Oettinger 1969-9-3 683 Siskiyou Marble Mountain Wilderness Area, W of Horse Range Lake, NW of Horse's Hole Pond 1921 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
  UC816583  Calamagrostis koelerioides John Thomas Howell 1937-7-25 13451 Siskiyou Caribou Basin Salmon-Trinity Alps 1981 Comment
  CHSC107138  Calliscirpus criniger R. E. Brainerd 2009-7-21 1535 Siskiyou Trinity Mountains, Gumboot Meadow; 12.2 air miles west of Dunsmuir. UTM Zone 10 541147E 4562996N. 1821 Comment
  HSC65506  Callitropsis nootkatensis Rich White 1977-6-20 85 Siskiyou NE area around Devils Punchbowl 1433 Comment
  CAS-BOT-BC85732  Calocedrus decurrens Doris K. Kildale 1928-8-18 6432 Siskiyou North fork Salmon River - Finley Camp Comment
  CDA631  Calocedrus decurrens G. D. Barbe 1973-8-14 1704 Siskiyou Site of proposed quarantine station south of Mt. Shasta City, west side of Interstate 5. Comment
  CAS-BOT-BC85738  Calocedrus decurrens Doris K. Kildale 1929-4-27 7561 Siskiyou Cecilville 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
  JEPS105059  Calochortus coeruleus Dean W. Taylor 1996-7-11 15776 Siskiyou Scott Mountains; West Park Lakes (about 15 air miles west of Weed); Shasta-Trinity National Forest 2194 Comment
  UC618672  Calochortus coeruleus unknown 1938-7-1 11154 Siskiyou above Bear Spring; Mount Shasta Comment
  CAS-BOT-BC487853  Calochortus coeruleus Roxana S. Ferris; Laura Lorraine 1948-6-12 11738 Siskiyou French Creek logging road west of Callahan 1219 Comment
  CHSC96100  Calochortus elegans L. P. Janeway 2006-7-4 8795 Siskiyou Klamath Ranges. Scott Mountains; opening on spur ridge 1.9 km west-southwest of Scott Mountain Summit. 1838 Comment
  UC1333321  Calochortus nudus Dorothy Parker 1949-7-4 Siskiyou Summit of Scott Mountain 1676 Comment
  SEINET8263376  Calochortus nudus Frank Callahan 1994-8-15 Siskiyou SE of Bartle both sides of Hwy 89. 1494 Comment
  UC618675  Calochortus nudus var. shastensis unknown 1938-7-15 11219 Siskiyou lower Wagon Camp; Mount Shasta 1706 Comment
  HSC44912  Calochortus tolmiei J. P. Smith, Steve Selva 1970-6-16 4003 Siskiyou 5 mi. from Hwy. 3 on Rd. 8 to Sugar Creek. 1189 Comment
  HSC44915  Calochortus tolmiei J. P. Smith 1973-5-5 6483 Siskiyou Along Cook and Green Pass Rd. Comment
  CAS-BOT-BC494023  Calochortus tolmiei W. B. C. 1938-7-1 11154 Siskiyou Above Bear Spring( Transition) 1600 Comment
  RSA275398  Calochortus tolmiei J. P. Smith 1973-5-5 6375 Siskiyou In and around the ONeill Campground near Seiad Valley. 488 Comment
  CAS-BOT-BC132629  Calochortus uniflorus A. A. Heller 1915-7-15 12100 Siskiyou Mt. Eddy 1371 Comment
  UC922381  Caltha biflora Annie M. Alexander and Louise Kellogg 1949-7-28 5879 Siskiyou Sky High Valley; Marble Mountains. 1767 Comment
  RSA0120943  Caltha biflora I. L. Wiggins 1950-5-28 12367 Siskiyou Above Grouse Creek, about 1.5 miles from Carmen Lake. 1585 Comment
  RSA0120945  Caltha biflora Frederick W. Oettinger 1967-7-6 151 Siskiyou Statue Creek just below the highest clear out block of the Music Creek Logging Sale (block M). The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1951 Comment
  HSC44941  Caltha leptosepala J. O. Sawyer 1978-6-20 3263 Siskiyou Marble Mtn. Wilderness Area, Hamilton Camp 1829 Comment
  RSA0120953  Caltha leptosepala J. P. Smith 1974-5-26 7538 Siskiyou Chandler Glade on Forest Service Road 47N03. 1768 Comment
  CHSC38987  Calycadenia ciliosa J. D. Jokerst 1983-7-21 1865 A Siskiyou At Wiley Ranch, ca center of the E edge. Comment
  JEPS81793  Calycadenia truncata Rimo Bacigalupi with Drs. Reino and Aloha Alava 1958-9-2 6814 Siskiyou about 4 mi n Weed (along US Hwy 99, on short grade down into floor of valley); Shasta Valley 920 Comment
  POM30674  Calycadenia truncata subsp. microcephala Geo. D. Butler 1910-7-30 1801 Siskiyou Near Yreka. Comment
  UCR51762  Calycadenia truncata subsp. scabrella L. C. Wheeler 1934-6-26 2787 Siskiyou Siskiyou Mtns., Camp Lowe, Klamath River 765 Comment
  POM53159  Calycadenia truncata subsp. scabrella E. B. Copeland 1903-7-4 3547 Siskiyou Klamathon. Comment
  CHSC4526  Calyptridium umbellatum J. E. Bowlin 1967-7-18 63 Siskiyou On roadside, on the side of a bank. Ca. 1.5 mi w of Mount Shasta Ski Bowl. 2286 Comment
  UC618664  Calyptridium umbellatum W. Bridge Cooke 1938-8-21 11538 Siskiyou Mount Shasta, Horse Camp Flats Horse Camp Flats; Mount Shasta, Horse Camp Flats 2438 Comment
  UC879420  Calystegia malacophylla subsp. malacophylla A. A. Heller 1916-7-20 12471 Siskiyou e side Mt. Eddy (near Wagon Creek Falls); e side Mt. Eddy, near Wagon Creek Falls 1524 Comment
  CAS-BOT-BC221255  Calystegia malacophylla subsp. malacophylla A. A. Heller 1919-6-27 13280 Siskiyou Metcalf's ranch, northeast base of Mt. Eddy 1158 Comment
  JEPS84336  Calystegia occidentalis subsp. occidentalis L. R. Heckard with S. D'Alcamo, J. Hickman, S. Winchester 1986-7-16 6411 Siskiyou ca 5 mi n of the town Seiad Valley (Cirque at head of Hell's Canyon); Cirque at head Hell's Canyon, n of Seiad Valley 1750 Comment
  CDA39272  Camassia quamash M. K. Bellue Jun 1934 s.n. Siskiyou near Yreka(?). 0 Comment
  CAS-BOT-BC497584  Camassia quamash subsp. breviflora Geo. D. Butler 1909-6-22 890 Siskiyou Goosenest foothills Comment
  CAS-BOT-BC497588  Camassia quamash subsp. breviflora D. E. Breedlove 1962-6-11 3372 Siskiyou Along State Highway 89, 17.6 miles east of McCloud; Cascade Mts. 1219 Comment
  CDA23024  Camelina microcarpa G. D. Barbe, T. C. Fuller, J. T. Howell 1980-4-28 2578 Siskiyou East of abandoned railroad station building and tracks, Grenada. Comment
  UC1045293  Camelina microcarpa Reed Rollins 1940-6-7 15094 Siskiyou along the Pacific Highway near Black Butte; Pacific Highway 1219 Comment
  JEPS95640  Campanula prenanthoides Vernon H. Oswald and L. Ahart 1994-8-1 6421 Siskiyou T39N R5W SE1/4 Sec. 16, 4720 ft, Yellow Pine Forest. Forest Rd. 26 paralleling the South Fork of the Sacramento River, 0.3 mi E of Forest Rd. 40N43, 9.0 mi SW of the dam at Lake Siskiyou 1438 Comment
  SEINET10462857  Campanula prenanthoides Butler 1910-8-7 BUTLER 1815 Siskiyou HUMBUG MOUNTAIN 4000 Comment
  SEINET10463164  Campanula prenanthoides Palmer 1892-7-13 Palmer 2511 Siskiyou Mount Shasta and vicinity Comment
  SEINET10463249  Campanula prenanthoides Thomas 1954-7-21 Thomas 4384 Siskiyou SALMON-TRINITY MTS CA 6 MI SE OF CECILVILLE, W SIDE RUSH CREEK. 975 Comment
  UC1212559  Campanula prenanthoides Francia Chisaki and Helen Sharsmith 1959-8-20 4736 Siskiyou in forest near Carter Meadow; Inner North Coast Ranges, canyon of East Fork Salmon River 1828 Comment
  SEINET10464346  Campanula rotundifolia Alice Eastwood 1912-8-30 Eastwood 2038 Siskiyou Mount Eddy Comment
  SEINET10905936  Campanula scabrella England 1987-7-16 ENGLAND s.n. Siskiyou Mt. Eddy Timberline. Comment
  POM147896  Campanula scouleri J. B. Feudge 1927-7-22 1775 Siskiyou Mt. Shasta City 1067 Comment
  SEINET10463570  Campanula scouleri Clifton 1975-7-29 CLIFTON s.n. Siskiyou STREAMSIDE, NR. COPPER BUTTE, SEIAD V. QUAD. NR SEIAD V. 1414 Comment
  CAS-BOT-BC266460  Campanula wilkinsiana Alice Eastwood 1912-9-1 2063 Siskiyou Mount Shasta 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
  SEINET10972125  Campanula wilkinsiana Cyrus G. Pringle 1881-8-24 Pringle s.n. Siskiyou Mount shasta 2134 Comment
  CAS-BOT-BC37191  Capsella bursa-pastoris A. A. Heller 1916-6-20 12417 Siskiyou Metcalf's Ranch, northeast base of Mount Eddy. 1188 Comment
  CAS-BOT-BC37194  Capsella bursa-pastoris John Thomas Howell; T. C. Fuller; G. D. Barbe 1980-4-28 53373 Siskiyou Grenada. Near the railroad station. 792 Comment
  CAS-BOT-BC37315  Cardamine breweri William Bridge Cooke 1939-6-23 13508 Siskiyou Mount Shasta. Along the creeks in Bear Springs. 1524 Comment
  HSC60817  Cardamine californica Ruby Van Deventer 1960-7-7 Siskiyou Bell Echo Camp in Youngs Valley Comment
  CAS-BOT-BC37849  Cardamine oligosperma Lewis S. Rose 1945-6-18 45109 Siskiyou Horse Creek and Klamath River. 502 Comment
  CAS-BOT-BC38118  Cardamine pensylvanica Alice Eastwood 1923-5-22 11889 Siskiyou Sissons. Comment
  CAS-BOT-BC19772  Carex abrupta K. T. Stillman 1976-7-15 257 Siskiyou Marble Mountain Wilderness Area. 1950 Comment
  UC618716  Carex abrupta J. W. Stacey 1938-8-15 11258 Siskiyou Wagon Camp, in the meadow near the springs Mount Shasta, Wagon Camp Comment
  RSA237313  Carex abrupta Frederick W. Oettinger 1968-8-11 485 Siskiyou Tom Taylor Cabin. Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1982 Comment
  CAS-BOT-BC17863  Carex amplifolia W. R. Dudley 1893-6-21 s.n. Siskiyou Peter Klinks Meadow. Comment
  HSC463  Carex aquatilis William J. Ferlatte 1966-8-3 278 Siskiyou Josephine Lake basin. 1677 Comment
  CHSC40170  Carex aquatilis var. dives L. P. Janeway 1982-7-2 36 Siskiyou At Poker Flat, at end of rd 18N33. 1524 Comment
  CHSC75766  Carex aurea Vernon H. Oswald; Lowell Ahart 1999-7-5 9817 Siskiyou Hwy. 3 4.0 mi southeast of Gazelle-Callahan Hwy. 1365 Comment
  SEINET7552949 Image available Carex breweri E. B. Copeland 1903-7-16 3517 Siskiyou Mt. Shasta. 3170 Comment
  UC671  Carex breweri var. breweri W. H. Brewer Sep 1862 1422 Siskiyou Mt. Shasta; ; Mt. Shasta 2743 Comment
  HSC81983  Carex buxbaumii Thomas W. Nelson, Jane P. Nelson 1979-6-16 4855 Siskiyou Above Mule Creek, along Hwy. 3, 4.4 mi. N of Scott Mtn. Summit 1220 Comment
  CAS-BOT-BC34881  Carex deflexa var. boottii John Thomas Howell 1939-8-3 15007 Siskiyou Spirit Lake, Marble Mountains. 1828 Comment
  CAS-BOT-BC34884  Carex deflexa var. boottii John Thomas Howell 1937-7-24 13430 Siskiyou Caribou Basin, Salmon-Trinity Alps. 2286 Comment
  HSC29666  Carex echinata subsp. echinata Frederick W. Oettinger, R. F. Thorne 1969-8-7 1270 Siskiyou Marble Mtn. Wilderness Area, margin of English Lake 1768 Comment
  UCD140249  Carex exsiccata A. H. Murphy 1958-8-4 58 A Siskiyou Little Elk Lake Marble Mts. 1676 Comment
  CAS-BOT-BC20131  Carex feta H. M. Hall; E. B. Babcock 1903-6-1 4061 Siskiyou Sierra Nevada Mountains. Mount Shasta. Sisson. 1066 Comment
  HSC86564  Carex fracta D. K. Imper 1987-7-23 Siskiyou 8 mi. E of Somes Bar 1372 Comment
  HSC76843  Carex fracta L. P. Janeway 1982-7-18 76 Siskiyou On small island in Mill Creek, about 10 m below crossing of FS 19N07 610 Comment
  JEPS88990  Carex gigas Julie Kierstead 1991-7-2 91096 Siskiyou 10 mi w of city of Mount Shasta (Mt. Shasta Ranger District, upper end of Fawn Creek Meadow); Shasta-Trinity National Forests, Mt. Shasta Ranger District 1828 Comment
  CAS-BOT-BC20466  Carex halliana A. A. Heller 1922-7-15 13689 Siskiyou In the meadow at Medicine Lake. 2133 Comment
  CHSC82813  Carex halliana L. P. Janeway 2002-7-13 7634 Siskiyou High Cascade Range. 1.6 km southeast of southeast corner of Medicine Lake; east side of Road 49 (44N75) 0.2 km north of Road 44N17. Drainage below the road. 2067 Comment
  SEINET7561221 Image available Carex halliana Juha Pykala, D. H. Norris 1987-7-8 2432 Siskiyou Little Medicine Lake, between lake and road. 2042 Comment
  JEPS106478  Carex inops subsp. inops J. K. Nelson 2004-7-4 2004 -66 Siskiyou SW side Mount Shasta, Mount Shasta Forest (private land) 1325 Comment
  JEPS109847  Carex inops subsp. inops Dean W. Taylor 2004-7-20 19194 Siskiyou Mt. Shasta, slopes ca. 0.3 air mile E of Mud Creek dam. 1524 Comment
  HSC59014  Carex integra Marvin Butler 1971-7-7 40 Siskiyou Near Porcupine Meadow, close to the town of Cave Junction 2073 Comment
  HSC85799  Carex integra L. P. Janeway 1983-7-24 445 Siskiyou Poker Flat, upper portion of meadow 1524 Comment
  RSA237299  Carex integra Frederick W. Oettinger 1969-8-15 1384 Siskiyou Meadows near Upper English Lake. Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1677 Comment
  CAS-BOT-BC7618  Carex interior W. J. Ferlatte 1966-8-2 236 Siskiyou Between campground and South Fork of the Salmon River. Big Flat Hillside seep forming boggy meadow. 1524 Comment
  HSC33317  Carex lanuginosa William J. Ferlatte 1974-7-14 1531 Siskiyou Big Flat, near S fork of Salmon River, 100 yds W of campground 1524 Comment
  JEPS105409  Carex luzulifolia Dean W. Taylor 1996-7-26 15840 Siskiyou Scott Mtns.; Crater Lake, in cirque above upper lake (about 10 air miles west of Weed); Klamath National Forest Comment
  CAS-BOT-BC31630  Carex luzulina var. ablata John Thomas Howell 1939-8-7 15120 Siskiyou Sky High Valley, MarbleMts. 1828 Comment
  CAS-BOT-BC31674  Carex luzulina var. ablata A. A. Heller 1920-7-6 13410 Siskiyou Metcalf's ranch, NE base of Mt. Eddy. 1158 Comment
  JEPS109246  Carex luzulina var. ablata D. W. Taylor 2005-8-18 19481 b Siskiyou Dry Creek Peak, cirque on N-face at headwaters of Antelope Creek, ca 12 air miles NE of the summit of Mt. Shasta. Comment
  UC1265320  Carex luzulina var. ablata Frederick W. Oettinger 1968-8-3 374 Siskiyou Diamond Lake Salmon Mountains, Marble Mountain Wilderness Area (high lake basins in the vicinity of English Peak) 1828 Comment
  RSA237330  Carex luzulina var. ablata Frederick W. Oettinger, Robert F. Thorne 1969-8-8 1292 Siskiyou Sundew Bog near English Lake. Salmon Mtns; High Lake Basins in the vicinity of English Peak; Marble Mountain Wilderness Area. 1829 Comment
  HSC76388  Carex mendocinensis L. P. Janeway 1982-6-29 30 Siskiyou Old roadbed across small creek, 400 ft. SE of No Mans Creek, and .7 mi. up No Mans Creek from the Clear Creek Road 701 Comment
  HSC77204  Carex mertensii L. P. Janeway 1983-8-13 529 Siskiyou S side and above S Fork Indian Creek 1433 Comment
  CAS-BOT-BC32012  Carex multicaulis M. A. Berry 1957-7-4 s.n. Siskiyou Carter Meadow at junction of Long Gulch and Trail Gulch on S Fork of Salmon River. 1524 Comment
  JEPS63685  Carex multicaulis W. L. Jepson July, 1894 52 a Siskiyou Upton Comment
  UCD77461  Carex multicaulis Robert E. Preston 2001-6-23 1547 Siskiyou Klamath National Forest, n slope of Rainbow Mtn, T42N R1W ne 1/4 of se 1/4 Section 14 1828 Comment
  CAS-BOT-BC32003  Carex multicaulis L. P. Janeway 1982-8-21 169 Siskiyou Preston Peak Quad, in the old dirt road between Poker Flat and Twin Valley, near Twin Valley 1463 Comment
  CAS-BOT-BC32279  Carex multicostata J. Major 1961-7-14 644 -A Siskiyou Upland meadow along Mud Creek, Mt. Shasta 1980 Comment
  CAS-BOT-BC32282  Carex multicostata William J. Ferlatte 1974-7-14 1524 Siskiyou Big Flat, near South Fork of Salmon River. 1524 Comment
  HSC77270  Carex nebrascensis L. P. Janeway 1983-7-2 354 Siskiyou NW side of Klamath River and below Happy Camp 335 Comment
  UCD77459  Carex nervina Robert E. Preston 2001-6-23 1542 Siskiyou Klamath National Forest, n slope of Rainbow Mtn. 1706 Comment
  POM248555  Carex nigricans W. Bridge Cooke 1938-7-21 11292 Siskiyou Heather meadow, Mt. Shasta. 2287 Comment
  SEINET7568940 Image available Carex nigricans Unknown 1969-8-10 38950 Siskiyou Mt. Shasta National Forest, S slope of Mt. Shasta, Panther Creek Meadows. 2195 Comment
  CAS-BOT-BC119469  Carex nudata A. A. Heller 1905-6-1 7921 Siskiyou Between Dunsmuir and Upper Soda Spring. Comment
  CHSC40164  Carex nudata L. P. Janeway 1983-8-19 564 Siskiyou Along the south side of the Klamath River near Hornbrook. 640 Comment
  CHSC40165  Carex nudata L. P. Janeway 1984-6-22 865 Siskiyou Along the East Fork Scott River at the Hwy 3 bridge just east of Callahan. 987 Comment
  HSC76949  Carex pachystachya K. T. Stillman 1976-7-15 257 Siskiyou Marble Mtn. Wilderness Area 1951 Comment
  CAS-BOT-BC119210  Carex pachystachya H. M. Hall; E. B. Babcock 1903-6-1 4063 Siskiyou Sisson, in the Transition Zone., Mt Shasta. 1066 Comment
  JEPS93891  Carex pellita Vernon H. Oswald and Lowell Ahart 1998-7-21 9353 Siskiyou ne of Weed and s of Macdoel (along Old State Highway on the w side of Bray); Bray, Old State Highway 1417 Comment
  CHSC91374  Carex praegracilis Lowell Ahart; John Dittes 2005-6-10 12094 Siskiyou Steep slope, 30 yards east of the Shasta River, near the south fence, 100 yards south of the pump house along the Shasta River, about 1.9 miles (air) south of Highway 99/97 Cutoff, about 6 miles (air) east-southeast of Grenada. 776 Comment
  CHSC91375  Carex praegracilis Lowell Ahart; John Dittes 2005-6-10 12108 Siskiyou Slope, 30 yards east of the Shasta River, about 60 yards south of the pump house along the Shasta River, about 1.9 miles (air) south of Highway 99/97 Cutoff, about 6 miles (air) east-southeast of Grenada. 776 Comment
  POM254882  Carex preslii J. T. Howell 1939-8-8 15157 Siskiyou Marble Mountains: Black Mountain Comment
  CHSC53541  Carex rossii L. P. Janeway 1983-8-28 647 Siskiyou At Poker Flat. On SE side of the mdw. 1524 Comment
  HSC39279  Carex scopulorum J. O. Sawyer 1969-8-1 1597 Siskiyou Behind Horseshoe Lake 1921 Comment
  RSA238970  Carex scopulorum Frederick W. Oettinger, Robert F. Thorne 1969-8-6 1262 Siskiyou West of Tom s Lake lower hole. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1951 Comment
  HSC85804  Carex scopulorum var. bracteosa L. P. Janeway 1983-8-6 509 Siskiyou Poker Flat 1524 Comment
  CDA33142  Carex scopulorum var. bracteosa Gordon Leppig, Jennifer Kalt 1996-7-9 388 Siskiyou Northern California Peatlands; Klamath National Forest, Russian Wilderness, Little Duck Lake Fen, cirque west of Little Duck Lake. Comment
  HSC77255  Carex scopulorum var. bracteosa L. P. Janeway 1983-7-9 393 Siskiyou S side of Indian Creek at FS 17N32 crossing 1159 Comment
  CDA33145  Carex senta G. D. Barbe, J. T. Howell, T. C. Fuller 1980-5-2 2769 Siskiyou 2 miles (3.2 km) east of Callahan, at Hwy 3 bridge over East Fork Scott River. Comment
  SD204750  Carex simulata R. F. Thorne 1969-8-2 63397 Siskiyou Klamath Ranges region: Klamath National Forest, Salmon Mountains, Marble Mountain Wilderness, along trail to English Peak. Comment
  UC834264  Carex specifica Louis C. Wheeler 1934-8-6 3049 Siskiyou Bear Ground Gulch off Jaynes Canyon Siskiyou Mountains 1676 Comment
  CAS-BOT-BC117260  Carex spectabilis William J. Ferlatte 1967-8-20 1047 Siskiyou Sawtooth Ridge steep, north facing slope. 2286 Comment
  RSA238923  Carex spectabilis Frederick W. Oettinger 1969-8-4 1182 Siskiyou North side of Tobacco Lake. Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1890 Comment
  RSA238964  Carex spectabilis Frederick W. Oettinger 1969-9-4 1659 Siskiyou Tom s lower pond near Tom s Lake. Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1951 Comment
  SEINET7575726 Image available Carex spectabilis Frederick W. Oettinger 1968-9-9 796 Siskiyou Salmon Mountains, High Lake Basins in the vicinity of English Peak Marble Mountain Wilderness area, north of Tom's Lake. 2012 Comment
  JEPS63651  Carex stipata var. stipata Mrs. M. H. Goldsmith 1916-8-6 12 Siskiyou Sisson Comment
  CHSC99590  Carex straminiformis L. P. Janeway 2008-7-25 9502 Siskiyou Klamath Ranges. Siskiyou Mountains; 3.2 air km southwest of Cook and Green Pass, 0.4 km southeast of Red Butte. 1737 Comment
  UC142324  Carex straminiformis Wm. M. Canby in company with Profs. C. S. Sargent and John Muir 1897-9-4 313 Siskiyou Mt. Shasta Comment
  RSA186338  Carex straminiformis Gilbert Muth 1966-10-16 21 Siskiyou Marble Mountains 1793 Comment
  CAS-BOT-BC115861  Carex subfusca 1902-9-8 5129 Siskiyou Horse Camp. Mt. Shasta 2590 Comment
  SEINET7577203 Image available Carex subfusca Unknown 2003-6-17 10946 Siskiyou 5.5 miles toward Cecilville on the 1C02 road, at intersection with Shasta-Trinity National Forest road 41N14. 1097 Comment
  HSC48042  Carex subfusca D. H. Norris 1972-6-11 22907 Siskiyou Along Duck Lakes trail near Parrott's Mill Rd. 1677 Comment
  UC194549  Carex vesicaria Geo. D. Butler 1910-7-8 1666 Siskiyou Log Lake Shackleford Creek 1219 Comment
  HSC99730  Cassiope mertensiana K. A. Wayman 2010-8-14 263 Siskiyou Trinity Alps Wilderness, near Thompson Peak, beneath N side of Caesar Peak 2439 Comment
  UC1037464  Cassiope mertensiana subsp. ciliolata Douglas Barbe 1955-7-9 153 Siskiyou Cliffs south side of Kangaroo Lake, Scott Mtns. 1828 Comment
  HSC16  Castilleja applegatei William J. Ferlatte 1966-6-22 105 Siskiyou 3 mi. S of Big Flat 1585 Comment
  HSC19229  Castilleja applegatei subsp. pinetorum J. O. Sawyer 1969-8-4 1871 Siskiyou Slopes W of S Sugar Lake 2165 Comment
  UC61065  Castilleja applegatei subsp. pinetorum W. A. Setchell, C. C. Dobie Jul 1902 Siskiyou Sisson; Mount Shasta Comment
  CAS-BOT-BC243746  Castilleja applegatei var. pinetorum A. A. Heller 1905-6-15 8033 Siskiyou Near Sisson Comment
  CAS-BOT-BC243772  Castilleja applegatei var. pinetorum Geo. D. Butler 1909-6-22 931 Siskiyou Goosenest foothills Comment
  JEPS23287  Castilleja arachnoidea Rimo Bacigalupi 1959-7-1 7204 Siskiyou just w Panther Meadow (sw slopes of Mt. Shasta); Mt. Shasta 2286 Comment
  UC618868  Castilleja arachnoidea Alice Eastwood 1938-8-21 11535 Siskiyou Horse Camp Flats Mount Shasta (sw slope of Mount Shasta) 2438 Comment
  JEPS68260  Castilleja lacera L. R. Heckard 1972-5-31 2933 Siskiyou about 2 mi se Yreka 822 Comment
  UC164373  Castilleja lacera Geo. D. Butler 1910-5-26 1407 Siskiyou near Yreka Comment
  UC726462  Castilleja lacera A. A. Heller 1919-6-20 13260 Siskiyou Metcalf's Comment
  HSC64583  Castilleja lacera J. O. Sawyer 1979-5-26 3362 Siskiyou Along Hwy. 3 on N side of Scott Mtn. 1341 Comment
  CAS-BOT-BC253613  Castilleja miniata Ira L. Wiggins 1955-7-27 13555 Siskiyou Caribou Lake, Salmon-Trinity Alps Primitive Area 2042 Comment
  CAS-BOT-BC253618  Castilleja miniata Doris K. Kildale 1928-8-19 6579 Siskiyou Hancock Lake, on trail to Marble Mt. 2133 Comment
  CAS-BOT-BC254116  Castilleja miniata John Thomas Howell 1939-8-2 14861 Siskiyou Spirit Lake, Marble Mts. 1828 Comment
  HSC29388  Castilleja miniata Frederick W. Oettinger 1968-8-6 424 Siskiyou Marble Mtn. Wilderness Area, SE corner of Hancock Lake 1951 Comment
  HSC61114  Castilleja miniata Ruby Van Deventer 1955-7-31 Siskiyou FS Rd. 17N04, Doe Flat 1067 Comment
  CAS-BOT-BC253614  Castilleja miniata Annie M. Alexander; Louise Kellogg 1949-7-20 5811 Siskiyou Paradise Lake, Marble Mountains, on slope above lake 1920 Comment
  CAS-BOT-BC253622  Castilleja miniata L. R. Abrams 1926-7-4 11232 Siskiyou 1 mile west of Mt. Shasta City on road to Abrams Lake Comment
  POM42531  Castilleja miniata Geo. D. Butler 1910-6-3 1472 Siskiyou [?] Valley. Comment
  RSA183418  Castilleja miniata J. M. Tucker 1963-8-17 3740 Siskiyou Red Rock Creek, in vicinity of cabin. Lower Red Rock Valley, Marble Mountain Wilderness Area. 1494 Comment
  HSC61198  Castilleja miniata subsp. elata Al Hobart 1967-8-8 Siskiyou El Capitan Comment
  JEPS90569  Castilleja pilosa Dean Wm. Taylor with Glenn L. Clifton and Rexford E. Palmer 1987-6-6 9011 Siskiyou Egg Lake Upper Modoc Plateau 1298 Comment
  RSA184819  Castilleja pruinosa Gilbert Muth 1966-7-14 394 -B Siskiyou Marble, south of Marble Valley, Marble Mountains. 1793 Comment
  RSA428400B  Castilleja pruinosa M. B. Dunkle 1944-7-15 9091 Siskiyou Siskiyou National Forest. Coastal northern California. 1768 Comment
  JEPS3785  Castilleja schizotricha Geo. D. Butler 1910-7-9 1711 Siskiyou Woolly Creek Comment
  CHSC71330  Castilleja tenuis Vernon H. Oswald; Lowell Ahart 1998-6-11 9207 Siskiyou Dry Lake on the south side of Tennant Rd. ca. 9 air mi east of Grass Lake, ca. 22 air mi northeast of Weed. 1402 Comment
  CAS-BOT-BC48649  Ceanothus cordulatus A. A. Heller 1916-6-20 12418 Siskiyou Metcalf's ranch, northeast base of Mt. Eddy in openings in the forest 1188 Comment
  JEPS42356  Ceanothus cordulatus Willis L. Jepson July 1894 14010 Siskiyou near Mt. Shasta (Sisson) Comment
  JEPS42357  Ceanothus cordulatus W. L. Jepson Aug. 1894 14011 Siskiyou Sisson Comment
  UC61166  Ceanothus cordulatus W. A. Setchell, C. C. Dobie 1902-7-13 Siskiyou Sisson Mt. Shasta Comment
  CAS-BOT-BC48391  Ceanothus cuneatus Elmer I. Applegate 1898-5-15 2134 Siskiyou Klamath River, between Shovel Creek and Fall Creek 853 Comment
  CAS-BOT-BC50688  Ceanothus integerrimus var. macrothyrsus A. A. Heller 1905-6-1 7926 Siskiyou Between Dunsmuir and Upper Soda Spring Comment
  CAS-BOT-BC53087  Ceanothus prostratus W. R. Dudley 1899-8-9 s.n. Siskiyou Near Sisson Comment
  CAS-BOT-BC53090  Ceanothus prostratus B. Bartholomew; B. Anderson 1988-5-12 4086 Siskiyou 4 km E of Hambone Butte between Hambone Butte and the N end of White Horse Mountains on Old Two Camp Road. 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
  RSA60713  Ceanothus prostratus I. L. Wiggins 1950-5-28 12364 Siskiyou Margins of Carmen Lake, ca. 1.5 miles E of Scott Mtn road. 1738 Comment
  RSA659520  Ceanothus prostratus Gary D. Wallace 1990-7-1 2957 Siskiyou Trinity Mountains: SW of Shasta City, Cedar Basin Research Area. 1829 Comment
  UC909375  Ceanothus pumilus Ira L. Wiggins 1950-5-28 12365 Siskiyou ca 1.5 mi e Scott Mountain Road; margins of Carmen Lake, e of Scott Mountain Road 1737 Comment
  CAS-BOT-BC63156  Ceanothus velutinus Miss Kilbourn 1923-7-1 1214 Siskiyou Near Sisson. Comment
  HSC99932  Ceanothus velutinus J. P. Smith, & J. O. Sawyer 2011-7-31 13351 Siskiyou Sugar Creek Trail W of Callahan 1463 Comment
  UC1190266  Ceanothus velutinus Ira L. Wiggins 1955-7-24 13488 Siskiyou ridge betw upper reaches of China Creek and Blind Horse Creek; btw upper reaches of China and Blind Horse Creeks 1463 Comment
  UC61661  Ceanothus velutinus Geo. B. Grant September 1902 5178 Siskiyou Sisson Mount Shasta, Sisson 914 Comment
  UCD112759  Ceanothus velutinus B. Crampton 1956-8-22 3866 Siskiyou Wagon Camp Road south slope of Mt. Shasta. 1767 Comment
  SEINET5339428  Ceanothus velutinus G. Butler 1910-6-5 1480 Siskiyou Shackleford Creek Comment
  CAS-BOT-BC52811  Ceanothus velutinus var. velutinus John Thomas Howell 1937-7-21 13160 Siskiyou South Fork of Salmon River near Big Flat 1524 Comment
  HSC67803  Ceanothus velutinus var. velutinus J. O. Sawyer, J. Cole 1980-7-22 3978 Siskiyou NW slopes of Cedar Mtn. 1524 Comment
  CDA20007  Centaurea X moncktonii M. Bagley 2002-8-1 PDR P 087837 -C Siskiyou Northern California; vicinity of Mt Shasta. 0 Comment
  CDA7266  Centaurea maculosa Steelman, Casson 1996-7-1 Siskiyou I-5 at Mott Road interchange north of Dunsmuir. 0 Comment
  UCD130123  Centaurea virgata subsp. squarrosa T. C. Fuller 1969-7-1 18618 Siskiyou Hawkinsville, just north of Yreka. Comment
  UCR47629  Centaurea virgata var. squarrosa Don Pendleton 1986-6-26 s.n. Siskiyou Modoc Plateau 1293 Comment
  SEINET10741257 Image available Centaurium floribundum Edward L. Greene 1876-8-5 Greene 965 Siskiyou Collected near Yreka. Comment
  JEPS64315  Cephalanthera austiniae W. L. Jepson 1902-7-22 2090 a Siskiyou trail from Salmon Forks Salmon Summit; w. Siskiyou, Salmon Summit 1981 Comment
  UC922390  Cerastium arvense Annie M. Alexander and Louise Kellogg 1949-7-28 5882 Siskiyou Sky High Valley Marble Mts., Sky High Valley 1767 Comment
  CAS-BOT-BC384982  Cerastium dichotomum John Thomas Howell; T. C. Fuller; G. D. Barbe 1980-5-21 53571 Siskiyou Yreka 822 Comment
  LA47766  Cercocarpus betuloides var. macrourus Louis C. Wheeler; 1934-7-12 2901 Siskiyou Siskiyou Mountains, Cottonwood Creek 1066 Comment
  RSA211465  Cercocarpus ledifolius William J. Ferlatte 1967-7-26 762 Siskiyou NW side of Caribou Mtn. Trinity Alps. 1829 Comment
  POM66496  Chaenactis carphoclinia Geo. D. Butler 1910-6-17 1573 Siskiyou Humbug[?] Mtn 1220 Comment
  JEPS34167  Chaenactis douglasii var. douglasii Geo. D. Butler 1908-6-28 332 Siskiyou Oro Fino Comment
  UC1286473  Chaenactis douglasii var. douglasii W. B. and V. G. Cooke 1965-7-12 35192 Siskiyou along Bolam Road Mt. Shasta 1706 Comment
  UC564177  Chaenactis douglasii var. douglasii Elmer I. Applegate 1935-6-8 9450 A Siskiyou Sconchin Butte Lava Beds National Monument Comment
  JEPS101314  Chaenactis suffrutescens Dean W. Taylor 1999-7-18 17286 Siskiyou Moffett Creek Road 2.8 miles South from junction with Highway 3, opposite confluence Crooked Creek 295 Comment
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Jul 5 2007
  SEINET515847  Chamaebatiaria millefolium Vernon Oswald 1997-7-28 8772 Siskiyou Forest Route 49 (Powder Hill Rd.) at 41N03 (to Porcupine Butte), 16 mi. S of Medicine Lake. 1366 Comment
  UCR136932  Chamaebatiaria millefolium J. W. Thompson 1936-7-8 13151 Siskiyou Lava Bed National Monument Comment
  SEINET7342597 Image available Chamaecyparis nootkatensis Steve Selva, Roger Jensen 1974-1 40 Siskiyou T16N, R5E, Sec 6. Collected in the environs of Devils Punchbowl. Comment
  RSA624995  Chamaesyce maculata L. C. Wheeler 1963-8-23 8266 Siskiyou Klamath River: Walker (near Oak Knoll). Comment
  RSA432491B  Chamaesyce serpillifolia W. Bridge Cooke 1939-7-7 13578 Siskiyou Wagon Camp Road at Howard. Also seen commonly along the old MacBride Spring Road. Comment
  UC583154  Chamaesyce serpyllifolia Lewis S. Rose 1936-7-29 36702 Siskiyou Shasta Springs 762 Comment
  UC873300  Chamerion angustifolium subsp. circumvagum John Thomas Howell 1939-8-9 15244 Siskiyou Shackelford Creek Trail Marble Mts. Comment
  HSC34468  Cheilanthes gracillima J. D. Ackerman, A. M. Montalvo 1974-8-18 432 Siskiyou Ridge above chromium mine near Cyclone Gap and Copper Mtn. in the Siskiyou Mtns. 1829 Comment
  SEINET8671710 Image available Cheilanthes gracillima Marian Ownbey, Ruth P. Ownbey 1938-1 1754 Siskiyou 2.5 miles northwest of Dry Lake Lookout; summit of Siskiyou Mountains Comment
  UCSB51233  Cheilanthes gracillima Almanza, Ed 1976-7-14 Siskiyou Castle Crags, Trinity Mountains 2438 Comment
  HSC65141  Chenopodium album J. P. Smith, Steve Selva 1970-7-17 4435 Siskiyou 915 Comment
  RSA0072903  Chenopodium chenopodioides R. F. Thorne, C. W. Tilforth, J. Henrickson 1969-9-3 39038 Siskiyou Along Hwy 161 on N side of Lower Klamath Lake, Lake Klamath National Wildlife Refuge, 1.9 miles E of junction of Hwys 97 and 161. Comment
  RSA238388  Chenopodium pumilio Frederick W. Oettinger 1969-8-24 1532 Siskiyou English Lake; The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1753 Comment
  JEPS59762  Chenopodium vulvaria Louis C. Wheeler 1934-10-6 3307 Siskiyou Yreka 792 Comment
  SBBG25823  Chimaphila menziesii D. Myrick 1966-8-10 1527 Siskiyou Salmon Crk Trail at Mountain Meadow Ranch, Big Flat 1676 Comment
  CAS-BOT-BC452277  Chimaphila umbellata Ira L. Wiggins 1955-7-21 13434 Siskiyou Rush Creek Trail, 2 mi. above Mt. View Ranch 1097 Comment
  JEPS48634  Chimaphila umbellata Geo. D. Butler 1908-8-4 58 Siskiyou head of Shackelford Creek 1676 Comment
  SJSU2591  Chimaphila umbellata H. L. Buckalew 1962-7-6 Siskiyou junction of Indian Cr with W Branch Indian Cr, Siskiyou Mts Comment
  UC637049  Chimaphila umbellata Edward Lee 1934-8-13 1086 Siskiyou watershed of W. Branch Indian Creek (Happy Camp-Waldo (Oregon) Rd.); Klamath Nat'l Forest, W. Branch Indian Creek 1463 Comment
  UCD58333  Chorispora tenella Steve Orloff 2007-5-22 3 Siskiyou From Gazelle in Shasta Valley. Just off of Old 99 and Scarface Road. Comment
  HSC69004  Chrysolepis chrysophylla Maralyn A. Renner 1980-7-24 2133 Siskiyou Pacific Crest Trail, 0.25 mi. SW of Cook and Green Pass. 1494 Comment
  UCD110116  Chrysolepis chrysophylla R. Tofsrud; J. M. Tucker 1948-8-3 1774 Siskiyou 6.7 miles (by road) below summit of Happy Camp-Waldo (Oregon) road. Comment
  UC164392  Chrysolepis chrysophylla var. chrysophylla Geo. D. Butler 1908-7-12 1074 Siskiyou hill w of Yreka Comment
  UC60955  Cicuta douglasii Geo. B. Grant September 1902 5143 Siskiyou Mount Shasta Comment
  CAS-BOT-BC190005  Cinna latifolia J. M. Tucker 1963-8-19 3775 Siskiyou Marble Mountain Wilderness. Headwaters of Canyon Creek. 1950 Comment
  CAS-BOT-BC520386  Cinna latifolia Dana York 2011-9-8 3082 Siskiyou Klamath National Forest, Marble Mountain Wildernesss, along PCT ca 650 m SE of Paradise Lake 1950 Comment
  HSC19167  Cinna latifolia J. O. Sawyer 1969-8-3 1791 Siskiyou Along C.C.C. road 1524 Comment
  UC1495339  Circaea alpina subsp. pacifica Robert T. Clausen and Harold Trapido 1940-7-26 4951 Siskiyou e. side of canyon of Mud Creek; S. Cascade Mts., Sacramento R. Basin, Mt. Shasta 1584 Comment
  POM89964  Circaea alpina subsp. pacifica L. R. Abrams 1922-6-29 8469 Siskiyou Mill Creek Comment
  JEPS16947  Cirsium andersonii Peter H. Raven 1956-9-4 10377 Siskiyou on the ridge s Mount Eddy 2286 Comment
  CDA1027  Cirsium andrewsii M. R. Pryor 1950-7-26 s.n.-B Siskiyou Hwy 99, 4 mi. N of Gazelle. Comment
  CAS-BOT-BC32848  Cirsium botrys L. E. Smith 1913-6-25 397 Siskiyou Montague Comment
  JEPS82112  Cirsium brevistylum Rimo Bacigalupi with L. Constance and L. Heckard 1960-7-21 7478 Siskiyou 0.2 mi w Rogers Creek crossing (along California highway 96, road bank on e side of canyon); Klamath River Canyon 228 Comment
  UC1211912  Cirsium cymosum var. cymosum Roy L. Taylor 1960-6-12 4445 Siskiyou 1 mi w junction of Hwy 96 and Hwy 99 (n of Yreka); Klamath River Comment
  UC469086  Cirsium cymosum var. cymosum Geo. D. Butler 1909-5-14 753 Siskiyou Klamath Hills Comment
  CHSC69201  Cirsium remotifolium James D. Jokerst 1992-7-30 3417 Siskiyou Top of divide between Trinity River, summit of reddish mountain S of road crossing saddle. Comment
  CAS-BOT-BC288777  Cirsium remotifolium J. R. Grisham 1960-7-14 s.n. Siskiyou US Rangeland, 15 miles N/Cecilville Comment
  CDA1553  Cirsium remotifolium var. odontolepis F. D. Horn 1970-7-16 s.n. Siskiyou Salmon Mtns.; Callahan - Cecilville Rd., E of Carter Meadows, Klamath National Forest. Comment
  SBBG25853  Cirsium remotifolium var. odontolepis D. Myrick 1966-8-8 1498 Siskiyou Mtn Meadow Ranch, Big Flat, Trinity Alps 1524 Comment
  CAS-BOT-BC439049  Cistanthe monosperma Henry M. Pollard 1947-9-6 s.n. Siskiyou Dillons Mt. Forest Road 1524 Comment
  CAS-BOT-BC228958  Cistanthe umbellata Doris K. Kildale 1928-7-2 5370 Siskiyou Salmon Summit via Horn Creek trail 1981 Comment
  CAS-BOT-BC228954  Cistanthe umbellata L. R. Short 1933-8-6 23 Siskiyou Klamath National Forest. Marble Valley 1792 Comment
  POM215736  Clarkia purpurea subsp. quadrivulnera Louis C. Wheeler 1935-6-27 3609 Siskiyou Greenview, Scott Valley. 884 Comment
  CAS-BOT-BC164742  Clarkia rhomboidea Wm. Bridge Cooke 1938-6-17 11047 Siskiyou Sisson Southern Trail Comment
  CAS-BOT-BC164967  Clarkia rhomboidea Alice Eastwood 1912-7-15 1149 Siskiyou McCloud Comment
  SEINET10674957 Image available Claytonia bulbifera Edward L. Greene 1876-8-22 Greene 1008 Siskiyou On Scott Mountain. Comment
  CAS-BOT-BC439143  Claytonia exigua subsp. exigua Lewis S. Rose 1945-6-18 45103 Siskiyou Horse Creek & Klamath River 502 Comment
  HSC43839  Claytonia exigua subsp. exigua Maralyn O'Meara 1974-5-27 495 Siskiyou 7.4 mi. NE of Ft. Jones on Hwy. 3 1159 Comment
  HSC48274  Claytonia lanceolata P. Stekel, K. Stillman May 1977 239 Siskiyou Along Happy Camp-O'Brien Rd. above Louse Creek Comment
  UC60981  Claytonia palustris Geo. B. Grant Sep 1902 5232 Siskiyou Shasta Springs; Mount Shasta 609 Comment
  UC166188  Claytonia parviflora subsp. parviflora Geo. D. Butler 1909-4-16 675 Siskiyou near Yreka Comment
  UC412619  Claytonia parviflora subsp. parviflora Milo S. Baker 104 Siskiyou Igerna Comment
  CAS-BOT-BC443816  Claytonia rubra subsp. rubra Wm. Bridge Cooke 1938-7-1 11122 Siskiyou Mount Shasta. Bear Spring. Comment
  HSC39746  Claytonia rubra subsp. rubra J. O. Sawyer 1970-4-4 2089 Siskiyou Along Sugar Creek 823 Comment
  HSC64322  Claytonia sibirica J. P. Smith, Steve Selva 1970-6-15 3956 Siskiyou 20 mi. E of Cecilville on the road to Callahan. 1646 Comment
  HSC4465  Claytonia sibirica William J. Ferlatte 1967-6-5 490 Siskiyou Big Flat, between public camp and S Fork of Salmon River 1524 Comment
  CAS-BOT-BC92764  Clematis ligusticifolia Geo. B. Grant 1902-9-14 s.n. Siskiyou Dunsmuir. 609 Comment
  CAS-BOT-BC92761  Clematis ligusticifolia W. R. Dudley 1901-8-25 s.n. Siskiyou Jackson Creek. Comment
  RSA377072  Clintonia uniflora Louis C. Wheeler 1934-8-10 3105 Siskiyou Siskiyou Mountains, Jaynes Canyon 1128 Comment
  SEINET3131040  Clintonia uniflora G. D. Butler 1910-6-5 1478 Siskiyou Shackleford Creek Comment
  SJSU2577  Clintonia uniflora H. L. Buckalew 1962-7-9 Siskiyou near Poker Flat c. 4 mi W of junction of Indian Creek with W Branch Indian Creek, Siskiyou Mts 1066 Comment
  CHSC88115  Collinsia grandiflora Jenny Marr 1993-7-1 125 Siskiyou Butte Valley Wildlife Area, +/- 7 air miles NW of the town of MacDoel. Meadow NW of Meiss Lake. 1349 Comment
  JEPS31008  Collinsia linearis D. E. Breedlove 1962-6-10 3305 Siskiyou 11.7 mi nw Happy Camp (along Indian Creek Rd); Siskiyou Mtns 594 Comment
  UCD123561  Collinsia linearis John M. Tucker; L. K. Mann 1963-7-4 3691 Siskiyou Beside road from Etna to Sawyer's Bar, ca. 4.7 miles (by road) southwest of Etna. Comment
  JEPS24987  Collinsia parviflora Jean Langenheim 1957-5-19 4343 Siskiyou between Gazelle and Callahan (along roadcut) Comment
  JEPS5111  Collinsia parviflora unknown Apr 1903 Siskiyou Mt. Mooney , Mt. Mooney (Yreka) Comment
  JEPS6166  Collinsia rattanii Geo. D. Butler 1909-4-14 651 Siskiyou Hamburg Comment
  HSC62079  Collinsia rattanii Ruby Van Deventer 18 Jun [year missing] Siskiyou Raspberry Lake, 2 mi. W of Copper Mtn. Comment
  UC885599  Collinsia torreyi var. latifolia John Thomas Howell 1937-7-21 13181 Siskiyou South Fork Salmon River near Big Flat (Trinity Alps); , South Fork Salmon River 1524 Comment
  UC1409308  Collomia grandiflora Frederick W. Oettinger 1968-8-12 489 Siskiyou slope between lily pond and Tobacco Lake (High Lake Basins in Vicinity of English Peak); Salmon Mountains, Marble Mountain Wilderness Area 1889 Comment
  UC164148  Collomia grandiflora Geo. D. Butler 1908-7-2 440 Siskiyou along creek near Yreka Comment
  UC52546  Collomia grandiflora Geo. B. Grant September, 1902 5242 Siskiyou Shasta Springs Mount Shasta 609 Comment
  RSA237935  Collomia grandiflora Frederick W. Oettinger 1968-8-11 483 Siskiyou Tom Taylor Cabin spring. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 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
  CHSC1229  Collomia tinctoria A. Anderson 1962-9-15 Siskiyou Salmon summit. 2164 Comment
  CHSC57435  Collomia tinctoria L. P. Janeway 1984-6-22 872 Siskiyou Ca 1 mi north of Scott Summit on Road 40N08. 1645 Comment
  HSC19056  Collomia tinctoria J. O. Sawyer 1969-7-16 1148 Siskiyou W of Waterdog Lake 2073 Comment
  HSC77500  Collomia tinctoria L. P. Janeway 1983-8-6 510 Siskiyou At Poker Flat, E side of meadow 1524 Comment
  RSA120685  Collomia tracyi S. Tillett 1956-7-9 636 Siskiyou E-facing slope of Scott Mountain, 8 miles SE of Callahan; Siskiyou-Trinity Co. line 2073 Comment
  RSA237632  Corallorhiza maculata Frederick W. Oettinger 1969-7-28 1090 Siskiyou Steep west-southwest slope north-northeast of Pine Lake. The Salmon Mountains; high lake basins in the vicinity of English Peak, Marble Mountain Wilderness Area 2073 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
  HSC104273  Corallorhiza striata Samantha E. Andres 2016-6-5 19 Siskiyou About 2.5 mi. on the Doe Flat Trail from the parking lot 1229 Comment
  SEINET4854286  Cordylanthus pallescens Francis W. Pennell 1940-1 26184 Siskiyou Route 99, 2-3 mi N of Mount Shasta City. 1159 Comment
  SEINET3864281  Cordylanthus tenuis Barbara L. Wilson, R. E. Brainerd 2010-8-6 16231 Siskiyou North Shore Road, north side of Lake Siskiyou, 1.2 miles west of cross road.; 0 997 Comment
  CHSC105575  Cordylanthus tenuis subsp. tenuis Barbara L. Wilson; Richard E. Brainerd 2010-8-6 16231 Siskiyou North Shore Road, north side of Lake Siskiyou, 1.2 miles west of cross road, a few along the road and most in a clearing north of and visible from the road. Lat. and Long. indicated +/- 33 feet. 996 Comment
  CHSC105591  Cordylanthus tenuis subsp. tenuis Barbara L. Wilson; Richard E. Brainerd 2010-8-4 16210 Siskiyou Old Stagecoach Road, about 0.5 mile north of Forest Service road 41N26, the Eddy Creek Road, on both sides of the road. Label says +/- 33 feet of Lat. and Long. shown. 995 Comment
  SEINET3863430  Cordylanthus tenuis subsp. tenuis Barbara L. Wilson, Dick Brainerd 2010-8-4 16210 Siskiyou Old Stagecoach Road, about 0.5 mile north of Forest Service road 41N26, the Eddy Creek Raod.; 0 996 Comment
  RSA517292  Cordylanthus tenuis subsp. tenuis Barbara J. Ertter 1987-7-26 7325 Siskiyou 2.2 mi N of Scott Mt. summit on Hwy 3, at road junction.Half way down Old Priest Grade between Big Oak Flat and junction of Highways 120 and 49, ca. 35 airmiles E of Modesto. 1372 Comment
  CHSC110358  Cordylanthus tenuis subsp. viscidus Barbara L. Wilson; Richard E. Brainerd 2010-8-5 16220 Siskiyou Dunsmuir; Panorama Drive north of Interstate Highway 5. 774 Comment
  HSC42895  Cordylanthus tenuis subsp. viscidus Ken Stillman 1976-8-15 411 Siskiyou Clearcut at junction of Specimen Creek and Little N Fork of the Salmon River 732 Comment
  UC1196818  Cordylanthus tenuis subsp. viscidus Joseph P. Tracy 1920-8-14 5351 Siskiyou mouth of river Northern Coast Ranges, Salmon River 243 Comment
  UC144139  Cordylanthus tenuis subsp. viscidus Geo. D. Butler 1908-8-11 25 Siskiyou near Shackelford Creek; Quartz Valley Comment
  CAS-BOT-BC212281  Cornus glabrata Wm. Bridge Cooke 1940-6-20 15171 Siskiyou Along the bank of the Klamath River along the Pacific Highway below Hornbrook. 609 Comment
  CAS-BOT-BC212071  Cornus nuttallii Doris K. Kildale 1929-7-20 8630 Siskiyou Trail up South Fork Indian Crek to Elk Lick 609 Comment
  JEPS50169  Cornus nuttallii Geo. D. Butler 1908-8-21 85 Siskiyou Etna Creek 1219 Comment
  RSA256603  Cornus nuttallii J. P. Smith 1974-5-25 7434 Siskiyou Near junction of Road 8 and French Creek Road. 1280 Comment
  UCR198253  Cornus nuttallii Dean Kelch 2007-7-25 07- 501 Siskiyou Indian Creek Road, just south of Greyback Summit 1304 Comment
  HSC19037  Cornus sericea subsp. sericea J. O. Sawyer 1969-6-11 840 Siskiyou Duck Lake Creek near C.C.C. road. 1311 Comment
  HSC69542  Cornus sericea subsp. sericea Maralyn A. Renner 1980-8-6 2245 Siskiyou FS Rd. 40S07 crossing of Louse Creek 1127 Comment
  JEPS24620  Cornus sericea subsp. sericea Rimo Bacigalupi with Drs. Reino and Aloha Alava 1958-8-31 6773 Siskiyou directly opposite Mossbrae Falls between Shasta Retreat and Shasta Springs (on bank of Sacramento R.); Sacramento R. 731 Comment
  HSC33340  Cornus sericea subsp. sericea William J. Ferlatte 1974-7-15 1541 Siskiyou Yellow Rose Mine Trail. 1707 Comment
  UC1408785  Corylus californica Frederick W. Oettinger 1968-8-23 615 Siskiyou high lake basins in vicinity of English Peak (Diamond Lake outlet spillway); Salmon Mountains, Marble Mountain Wilderness Area 1950 Comment
  CAS-BOT-BC180200  Corylus cornuta subsp. californica Alice Eastwood 1923-5-29 12005 Siskiyou Cantara Comment
  HSC36606  Corylus cornuta subsp. californica Brent Whitely 1975-7-3 130 Siskiyou 1220 Comment
  CDA25818  Crataegus douglasii var. suksdorfii F. D. Horn 1977-7-2 Siskiyou Lighthill Grade Road near Fort Jones. 0 Comment
  RSA15690  Crataegus suksdorfii Carl B. Wolf 1927-8-26 1080 Siskiyou Klamath River. 4 miles below Hamburg Comment
  RSA47646  Crataegus suksdorfii Roxana S. Ferris, Laura Lorraine 1948-6-12 s.n. Siskiyou E Fork of Scott River drainage, Parker Ranch, Plowman's Valley. 1204 Comment
  JEPS93879  Crepis acuminata Vernon H. Oswald and Lowell Ahart 1998-7-21 9319 Siskiyou Highway 97 at the 11.0 mi marker 1.2 mi w of A12 ne of Weed; Highway 97. 1188 Comment
  UC581311  Crepis monticola E. B. Babcock and G. L. Stebbins Jr. 1936-6-11 1888 Siskiyou about 2 mi s Yreka 810 Comment
  UC455900  Crepis occidentalis I. J. Condit 1911-7-13 Siskiyou Dunsmuir; Siskiyou-Shasta Counties Comment
  HSC82285  Crepis occidentalis subsp. occidentalis Thomas W. Nelson, Jane P. Nelson 1979-6-15 4806 Siskiyou Along road to Carmen Lake, 0.6 mi. from junction with State Route. 1646 Comment
  CAS-BOT-BC290836  Crepis occidentalis subsp. pumila Alice Eastwood 1912-7-17 1188 Siskiyou Sisson Comment
  HSC92423  Crepis occidentalis subsp. pumila Jennifer Whipple 1977-7-20 1991 Siskiyou N slopes of Mount Eddy 2500 Comment
  CAS-BOT-BC290870  Crepis pleurocarpa Doris K. Kildale 1929-8-24 8845 Siskiyou Preston Peak 2133 Comment
  SD53386  Crepis pleurocarpa Darley F. Howe 1962-8-4 3392 Siskiyou Near summit of Baldy Mountain. 1735 Comment
  CAS-BOT-BC290879  Crepis pleurocarpa Gilbert Muth 1965-8-11 s.n. Siskiyou Marble Valley Comment
  POM230911  Crepis pleurocarpa G. Ledyard Stebbins, J. A. Jenkins 1937-7-19 2445 Siskiyou Ridge between Big Mill and Mule Creek, near road from Callahan to Carrville 1220 Comment
  CAS-BOT-BC299728  Crocidium L. E. Smith 1913-3-26 23 Siskiyou Yreka, back of Caholic cemetery Comment
  CAS-BOT-BC299730  Crocidium Geo. D. Butler 1910-3-11 1122 Siskiyou Yreka hills 914 Comment
  UC1181809  Crocidium multicaule Dorothy Parker 1950-3-14 383 Siskiyou e side Scott Valley; Siskiyou Mountains, Scott Valley 853 Comment
  HSC67966  Croton setiger J. P. Smith, J. O. Sawyer 1971-9-18 4808 Siskiyou 1.2 mi. W of junction of Hwy. 3 and Rd. 8, N of Callahan. Comment
  UCD59926  Crypsis schoenoides Reino Alava; Aloha Alava, Rimo Bacigalupi 1958-9-2 2395 Siskiyou 3 miles northwest of Weed, head of Shasta Valley. 975 Comment
  JEPS112999  Cryptantha affinis Dean W. Taylor 1999-6-9 17234 Siskiyou Humbug Gulch, ca. 1 mile WNE of Yreka 899 Comment
  SBBG25872  Cryptantha affinis D. Myrick 1966-8-12 1546 Siskiyou Salmon Crk Trail at Mountain Meadow Ranch, Big Flat 1676 Comment
  UC726531  Cryptantha affinis A. A. Heller 1916-6-20 12397 Siskiyou ne base Mt. Eddy (Metcalf's ranch) 1188 Comment
  JEPS116598  Cryptantha ambigua Julie Kierstead Nelson with Rhonda Posey 2007-6-15 2007 -014 Siskiyou North side of Mt. Shasta, south of Hwy 97, along Forest Service Rd. 42N73 Weed (unburned area within Hotlum Fire perimeter burned in Feb 2006 4 miles NE of town of); Mt. Shasta 1127 Comment
  UC164156  Cryptantha torreyana Geo. D. Butler 1910-5-8 1310 Siskiyou near Yreka Comment
  UC933385  Cryptantha torreyana Annie M. Alexander and Louise Kellogg 1948-9-7 5589 Siskiyou Black Bear Summit, at fork of road from Cecilville to first lookout Siskiyou Mountains 1524 Comment
  POM72150  Cryptantha torreyana Geo. D. Butler 1909-5-30 762 Siskiyou Near Yreka. Comment
  HSC19422  Cryptogramma acrostichoides J. O. Sawyer 1968-9-9 666 Siskiyou Ridges S of Cyclone Gap 1738 Comment
  HSC92769  Cryptogramma acrostichoides Jennifer Whipple 1976-7-23 1520 Siskiyou Dale Cr. drainage, N face of Mt. Eddy 2317 Comment
  JEPS24793  Cryptogramma acrostichoides Rimo Bacigalupi with Drs. Reino and Aloha Alava 1958-9-1 6802 Siskiyou shore of Castle Lake (headwater of Sacramento River) 1661 Comment
  NY16602  Cupressus bakeri C. B. Wolf 1944-10-29 11478 Siskiyou Northwest side Goose Nest Mt., about 1 mile due south of Old Smith Sawmill on Montague to Mt. Hebron Road 1676.4 Comment
  RSA176221  Cupressus bakeri C. O. Stone 1964-6-6 286 Siskiyou 100 yards NE of Quarry in Sec. 25 SW/4 SW/4 NE/4 Fall River Mills quad 1110 Comment
  NY16598  Cupressus bakeri G. Schoolcraft 1983-9-14 1153 Siskiyou About 3 miles north of Timbered Crater 1097.3 Comment
  UC60899  Cupressus lawsoniana W. A. Setchell, C. C. Dobie 1902-7-1 Siskiyou near Suies (Sisson); Mount Shasta, Sacramento Canyon Comment
  JEPS48635  Cuscuta suksdorfii Louis C. Wheeler 1934-7-31 3011 Siskiyou 1 mi e Dry Lake Lookout; Siskiyou Mts. 1828 Comment
  SD60190  Cymopterus terebinthinus var. californicus A. A. Heller 1928-6-9 14597 Siskiyou On Spring Hill near Sisson. Comment
  RSA757951  Cymopterus terebinthinus var. californicus Barbara Ertter, Thomas J. Delendick 1996-5-7 14626 Siskiyou Hwy 79 northeast of Weed Comment
  UCD77586  Cymopterus terebinthinus var. californicus Robert E. Preston 2000-6-23 1380 Siskiyou East edge of Juniper Flat, north of Yellow Butte, along A12, 2.1 mi n of Hwy 97. 1100 Comment
  JEPS39348  Cynoglossum occidentale W. L. Jepson 1894-7 21075 Siskiyou Sisson Comment
  UC1177923  Cynoglossum occidentale Francia Chisaki and G. B. Newcomb 1958-6-21 1147 Siskiyou on rd. to and slopes of Everitt Hill (3.5 mi. e. of junction with Hwy. 89-99) 1447 Comment
  UCR247492  Cynoglossum officinale Ashley Knight 2012-7-16 s.n. Siskiyou Shasta/Trinity National Forest, slightly west of Slagger Camp Comment
  CAS-BOT-BC114693  Cyperus bipartitus Carl B. Wolf 1927-8-26 1085 Siskiyou On Klamath River, 14 mi above Happy Camp Comment
  CAS-BOT-BC114694  Cyperus bipartitus Henry M. Pollard 1956-10-7 s.n. Siskiyou Klamath River bar on Spink's Ranch at Roger's Creek, Somes Bar. Comment
  JEPS64062  Cyperus squarrosus Geo. D. Butler 1909-9-12 867 Siskiyou Oro Fino Comment
  UC673565  Cypripedium californicum Dorothy Tebbe 1929-7-15 116 Siskiyou Mount Eddy Comment
  CAS-BOT-BC70718  Cystopteris fragilis L. R. Short 1933-9-10 77 Siskiyou Rogue River Forest 1889 Comment
  CAS-BOT-BC189807  Dactylis glomerata Gilbert Muth 1966-8-1 489 Siskiyou Marble Mountains. Marble Valley Horse Pasture. 1792 Comment
  HSC39657  Dactylis glomerata J. P. Smith, J. O. Sawyer, & Maralyn O'Meara 1972-7-4 5738 Siskiyou Parrott Mill Rd, 2 mi. S of Sugar Creek 1341 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
  HSC69220  Danthonia californica Maralyn A. Renner 1980-8-31 2624 Siskiyou Twin Valley. 1494 Comment
  RSA13865  Danthonia californica var. americana L. C. Wheeler 1934-7-2 2842 Siskiyou Little Smoky Creek, Sterling Mt., Siskiyou Mts. 1280 Comment
  HSC19079  Danthonia unispicata J. O. Sawyer 1969-7-15 1114 Siskiyou Slopes S of Jackson Lake. 2287 Comment
  CAS-BOT-BC76228  Darlingtonia californica W. H. Brewer 1862-9-8 1356 Siskiyou In the valley of the Upper Sacramento near 'Jim Southern's' about 30 miles south of Mount Shasta. Comment
  CAS-BOT-BC76235  Darlingtonia californica L. E. Smith 1913-6-29 s.n. Siskiyou Mount Eddy. Comment
  UC857781  Darlingtonia californica A. A. Heller 1915-7-15 12090 Siskiyou Mt. Eddy 1828 Comment
  RSA60637  Darlingtonia californica I. L. Wiggins 1950-5-28 12370 Siskiyou Above Grouse Creek, about 1.5 miles from Carmen Lake. 1585 Comment
  HSC40239  Darmera peltata J. P. Smith 1976-5-5 8679 Siskiyou Rd. from Sawyers Bar to Somes Bar 488 Comment
  HSC76671  Dasiphora fruticosa K. T. Stillman 1976-7-22 285 Siskiyou Marble Mtn. Wilderness Area Comment
  UC166662  Datisca glomerata Geo. D. Butler 1910-7-19 1723 Siskiyou Little Shasta Comment
  CAS-BOT-BC9569  Delphinium antoninum Thomas H. Harris 1951-6-1 s.n. Siskiyou Happy Camp 1524 Comment
  CAS-BOT-BC9572  Delphinium antoninum Alice Eastwood; John Thomas Howell 1937-6-26 5036 Siskiyou Salmon Mts., 10 miles SW of Etna Comment
  CAS-BOT-BC9883  Delphinium nudicaule George Dexter Butler 1910-5-7 1299 Siskiyou Near Yreka Comment
  UC467761  Delphinium nudicaule Lewis C. Rosenbaum 1916-6-6 Siskiyou Shasta Springs Comment
  RSA17734  Delphinium nudicaule Elmer I. Applegate 1935-6-6 9376 Siskiyou S base of Caldwell Butte, Lava Beds National Monument Comment
  CAS-BOT-BC116176  Delphinium nuttallianum H. A. Thomas; J. H. Thomas 1954-7-25 4522 Siskiyou Salmon-Trinity Mts. Vicinity of Rush Lake and Rush Creek meadow, About 9 miles E of Cecilville. 1981 Comment
  HSC679  Delphinium nuttallianum William J. Ferlatte 1966-6-23 150 Siskiyou Big Flat, near public camp 1524 Comment
  SBBG2171  Delphinium nuttallianum H. and M. Dearing 1939-6-5 3549 Siskiyou 2 mi N of McCloud 1066 Comment
  SBBG30506  Delphinium nuttallianum D. Myrick 1968-6-24 2000 Siskiyou Mountain Meadow Ranch, Big Flat; Coffee Crk 1524 Comment
  UC1190185  Delphinium nuttallianum Ira L. Wiggins 1955-7-27 13544 Siskiyou Caribou Lake Salmon-Trinity Alps Primitive Area 2042 Comment
  CAS-BOT-BC118065  Delphinium nuttallianum Roxana S. Ferris; Laura Lorraine 1948-6-12 11885 Siskiyou About 5.5 miles from Etna on forks of the Salmon Road Comment
  HSC77020  Delphinium nuttallianum K. T. Stillman 1976-6-25 57 Siskiyou Marble Mtn. Wilderness Area, top of Marble Mtn. 2073 Comment
  JEPS75887  Deschampsia atropurpurea William J. Ferlatte 1971-9-18 1377 Siskiyou lower slope of Sawtooth Ridge; Trinity Alps, Caribou Basin 2194 Comment
  RSA758077  Deschampsia cespitosa subsp. cespitosa Barbara Ertter 1990-7-14 9320 Siskiyou East side of Mount Eddy about 4 air miles due west of Mount Shasta City, at streamlet near end of Forest Road 41N53, about 1 mile north of Morgan Meadows 1677 Comment
  UCD62395  Deschampsia danthonioides A. A. Heller 1915-7-18 12120 Siskiyou Metcalf's ranch, base of Mt. Eddy. Comment
  CAS-BOT-BC201944  Deschampsia elongata Alice Eastwood 1912-8-30 2049 a Siskiyou Mount Eddy Comment
  UCD77603  Descurainia incisa subsp. incisa Robert E. Preston 2001-6-30 1639 Siskiyou Klamath National Forest, north slope of Rainbow Mountain, T42N R1W se 1/4 of nw 1/4 Section 14 1722 Comment
  HSC6707  Descurainia pinnata subsp. brachycarpa R. C. Wunner 1965-6-6 64 Siskiyou California Lava Beds National Monument, Indian Well Campground 1433 Comment
  CHSC38089  Descurainia sophia R. E. Preston 1983-6-9 395 Siskiyou In vacant lot, MacDoel. 1292 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
  CAS-BOT-BC43519  Descurainia sophia A. A. Heller 1916-7-20 12463 Siskiyou Metcalf's Ranch, northeast base of Mount Eddy. 1188 Comment
  HSC8349  Dicentra formosa William J. Ferlatte 1967-6-5 497 Siskiyou Big Flat, near public camp 1524 Comment
  CAS-BOT-BC47496  Dicentra formosa subsp. oregana A. M. Vollmer; L. Beane 1951-6-2 72 Siskiyou Road between Streamline Lodge & Deer Camp, north of Klamath River Highway Comment
  JEPS86114  Dicentra pauciflora Wayne Roderick 1966-7-23 Siskiyou Castle Lake; and higher up trail to Little Castle Lake 1676 Comment
  CAS-BOT-BC208959  Dichanthelium oligosanthes subsp. scribnerianum Carl B. Wolf 1927-8-26 1099 Siskiyou On the Klamath River, 14 mi. above Happy Camp. Comment
  JEPS64177  Dichelostemma capitatum Geo. D. Butler 1909-4-13 Siskiyou near Yreka Comment
  HSC36778  Dichelostemma capitatum subsp. capitatum J. P. Smith 1974-5-25 7428 Siskiyou Along Rd. 8, 0.9 mi. from its junction with Hwy. 3 976 Comment
  CAS-BOT-BC502224  Dichelostemma ida-maia Geo. D. Butler 1909-7-15 889 Siskiyou Salmon Range 1828 Comment
  UC144626  Dichelostemma multiflorum A. A. Heller 1905-6-1 7942 Siskiyou between Upper Soda Spring and Shasta Retreat Comment
  CAS-BOT-BC500997  Dichelostemma multiflorum Roxana S. Ferris; Laura Lorraine 1948-6-12 11784 Siskiyou Outskirts of Etna Comment
  HSC5959  Dieteria canescens var. canescens R. C. Wunner 1965-8-27 488 Siskiyou California Lava Beds National Monument; 1/2 mi. from Devil's Homestead Overlook on Gillems Bluff 1280 Comment
  CAS-BOT-BC291023  Dieteria canescens var. shastensis John Thomas Howell 1934-7-4 12391 Siskiyou Se. corner of Siskiyou Co. Comment
  CAS-BOT-BC291024  Dieteria canescens var. shastensis Geo. D. Butler 1910-9-11 1869 Siskiyou Weed Comment
  UC1188084  Dieteria canescens var. shastensis Philip A. Munz 1960-8-22 24183 Siskiyou Panther Meadows Mt. Shasta, Panther Meadows 2529 Comment
  UC75817  Dieteria canescens var. shastensis Milo S. Baker 1898-8-1 474 Siskiyou Medicine Lake Comment
  CAS-BOT-BC291012  Dieteria canescens var. shastensis Elmer I. Applegate 1923-8-20 3900 Siskiyou Ranger station, west end of Medicine Lake 1981 Comment
  UCR70754  Dimeresia howellii D. W. Taylor, G. L. Clifton, R. D. Stone 1987-8-7 9250 Siskiyou Caldwell Butte, Lava Beds National Monument. On crater floor at northern interior 1500 Comment
  CAS-BOT-BC153656  Diplacus jepsonii Gilbert Muth 1966-7-8 374 Siskiyou Marble Valley Meadow, Marble Mts. 1792 Comment
  CAS-BOT-BC153457  Diplacus layneae Geo. D. Butler 1910-6-19 1585 Siskiyou Goosenest foothills 1524 Comment
  RSA755664  Dodecatheon alpinum Barbara J. Ertter, Julie Kierstead, Jim Nelson 1990-7-15 9370 Siskiyou ca 1 mile east of Toad Lake at head of Middle Fork Sacramento River, ca. 8 air miles west of Mount Shasta City. 1982 Comment
  JEPS74496  Dodecatheon jeffreyi W. J. Ferlatte 1966-6-22 72 Siskiyou Josephine Lake basin Trinity Alps, Josephine Lake basin 1676 Comment
  UC178683  Dodecatheon jeffreyi Brandegee June 1887 Siskiyou Sisson's Comment
  HSC4469  Dodecatheon jeffreyi William J. Ferlatte 1966-6-22 72 Siskiyou Josephine Lake Basin, base of cliff 1677 Comment
  SEINET10550647 Image available Downingia bacigalupii John H. Weiler, A. P. Nelson 1960-6-24 Weiler 60205 Siskiyou In a bowl-shaped, rocky bottomed depression at the side of Dorris-Beswick road 2.7 miles southwest of the California-Oregon border. Abundant. Associated with Erynigium. Comment
  JEPS94820  Downingia insignis Vernon H. Oswald and Lowell Ahart 1998-6-11 9217 Siskiyou near the junction of Meiss Lake-Sams Neck Road and Highway 97 5 mi n of Macdoel (Butte Valley National Grassland); Butte Valley National Grassland 1295 Comment
  CHSC71479  Downingia pulcherrima Vernon H. Oswald; Lowell Ahart 1998-7-21 9356 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
  HSC197  Draba carnosula William J. Ferlatte 1967-7-26 757 Siskiyou Caribou Basin, Sawtooth Ridge 2043 Comment
  CAS-BOT-BC41237  Draba nemorosa George Dexter Butler 1910-4-10 1162 Siskiyou Near Yreka. 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
  CAS-BOT-BC41411  Draba verna L. E. Smith 1915-3-15 s.n. Siskiyou Yreka. Comment
  CHSC36124  Draba verna var. verna K. Bridwell 1978-4-14 76 Siskiyou 1 block s of Weed Airport, along Hwy 5, ca. 3 mi n of Weed. 609 Comment
  CHSC62547  Drosera rotundifolia L. P. Janeway 1993-8-30 4566 Siskiyou West side of Cedar Lake; head of South Fork Sacram ... Field redacted by CHSC, contact the data manager for more information 1741 Comment
  CAS-BOT-BC159680  Drymocallis glandulosa Gilbert Muth 1966-7-17 405 Siskiyou Trail to Lookout, Marble Mts. 1828 Comment
  JEPS96932  Drymocallis lactea var. austiniae Dean W. Taylor 1996-7-25 15844 Siskiyou Scott Mtns.; Crater Lake, in cirque above upper lake (about 10 air miles west of Weed); Klamath National Forest Comment
  CAS-BOT-BC159289  Drymocallis lactea var. lactea K. T. Stillman 1976-7-15 246 Siskiyou Marble Mountain Wilderness Area Comment
  CAS-BOT-BC536650  Drymocallis pseudorupestris Wm. Bridge Cooke 1939-8-8 13829 Siskiyou Mount Shasta Comment
  HSC45014  Drymocallis pseudorupestris var. pseudorupestris J. O. Sawyer 1978-6-16 3220 Siskiyou Marble Mtn. Wilderness Area; in Upper Elk Valley 1921 Comment
  HSC4378  Dysphania botrys C. B. Wolf 1927-8-26 1008 Siskiyou Klamath River, 5 mi. below Hornbrook Comment
  CHSC88376  Eleocharis acicularis Jenny Marr 1993-7-1 182 Siskiyou Butte Valley Wildlife Area, +/- 7 air miles NW of the town of MacDoel. Meadow NW of Meiss Lake. 1349 Comment
  RSA238953  Eleocharis bella Frederick W. Oettinger 1969-8-15 1387 Siskiyou Inlet of upper English Lake. Salmon Mtns. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1768 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
  CAS-BOT-BC112979  Eleocharis macrostachya David Daniels Keck 1949-7-20 6370 Siskiyou Scott Valley, 6 mi N of Callahan. 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
  CHSC91241  Eleocharis parishii Lowell Ahart; John Dittes 2005-6-10 12096 Siskiyou At 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
  CHSC106361  Eleocharis rostellata Lowell 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 Spring Lake, 4.6 miles (air) northwest of Dwinnel Dam, 5.7 miles (air) southeast of Grenada. 716 Comment
  CAS-BOT-BC112012  Eleocharis suksdorfiana William Bridge Cooke 1940-7-5 15270 Siskiyou Common in the sedge swamp at Wagon Camp, Mount Shasta Comment
  CAS-BOT-BC451556  Elodea canadensis Wm. Bridge Cooke 1940-6-20 15164 Siskiyou In the Klamath River along the Pacific Highway below Hornbrook. Comment
  CAS-BOT-BC227127  Elymus Melissa A. Berry 1957-7-11 s.n. Siskiyou Parrott Mill Road, vicinity of Callahan 1005 Comment
  CAS-BOT-BC227132  Elymus X hansenii Doris K. Kildale 1928-7-4 5514 Siskiyou Summit of divide between Sawyers Bar & Etna Comment
  UCD61537  Elymus elymoides L. Whitney 1935-7-15 3472 Siskiyou Bullseye Lake, 2 miles southeast of Medicine Lake. Comment
  UC197112  Elymus elymoides subsp. elymoides Geo. D. Butler 1910-7-12 1762 Siskiyou Shackleford Creek 1371 Comment
  HSC4775  Elymus elymoides var. californicus William J. Ferlatte 1966-8-4 316 Siskiyou Yellow Rose Mine 1982 Comment
  HSC27025  Elymus elymoides var. elymoides J. P. Smith, J. O. Sawyer 1972-9-12 5765 Siskiyou Scott Mtn., 1/2 mile E of Scott Mtn. Rd. (Hwy. 3). 1646 Comment
  HSC41108  Elymus elymoides var. elymoides J. P. Smith, Steve Selva 1970-7-17 4450 Siskiyou Below Kangaroo Lake. 1890 Comment
  HSC76714  Elymus glaucus K. T. Stillman 1976-7-30 346 Siskiyou Marble Mountain Wilderness Area. Upper Marble Valley. 1829 Comment
  JEPS72965  Elymus glaucus subsp. jepsonii W. L. Jepson 1940-7-1 20084 Siskiyou 6 mi e McCloud; McCloud River, Fowlers Camp 975 Comment
  UC197108  Elymus glaucus subsp. jepsonii Geo. D. Butler 1908-7-20 466 Siskiyou Humbug Creek Comment
  UC196945  Elymus multisetus Geo. D. Butler 1910-5-26 1424 Siskiyou Yreka Comment
  UC197115  Elymus multisetus Geo. D. Butler 1910-5-26 1412 Siskiyou Yreka Comment
  JEPS117470  Elytrigia pontica subsp. pontica Lowell Ahart, John Dittes 2010-7-30 16956 Siskiyou About 30 yards west of the East Louie Road Bridge, Shasta Big Springs Ranch, 1.6 miles (air) southwest of Big Springs Lake, 4.6 miles (air) northwest of Dwinnel Dam, 5.7 miles (air) southeast of Grenada 716 Comment
  RSA68920  Epilobium angustifolium var. intermedium A. E. Culbertson 1943-8-1 37 Siskiyou Castle Lake. 14 miles s.w. of Mt. Shasta on n side of a 6600 eastern spur of Trinity Mts.; 2000 above Sacramento R. within 10 air miles at its headwaters to the west. 1657 Comment
  HSC42892  Epilobium brachycarpum Ken Stillman 1976-8-15 407 Siskiyou Clearcut at junction of Specimen Creek and Little N Fork of the Salmon River 732 Comment
  UC164268  Epilobium brachycarpum Geo. D. Butler 1910-7-3 1629 Siskiyou Goosenest foothills 1219 Comment
  RSA240051  Epilobium brachycarpum Frederick W. Oettinger 1969-8-12 1339 Siskiyou Along Main, North Fork Trail, between Yellow Dog Creek and Abbott s Lower Cabin. Salmon Mtns. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. Comment
  CAS-BOT-BC166836  Epilobium canum subsp. latifolium Doris K. Kildale 1925-9-7 1303 Siskiyou Mouth of Dillon Creek on Klamath River Comment
  UC144354  Epilobium ciliatum subsp. ciliatum Copeland 1903-7-7 3548 Siskiyou Hornbrook Comment
  RSA424894B  Epilobium ciliatum subsp. ciliatum 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
  SDSU8813  Epilobium ciliatum subsp. ciliatum D. F. Howe 1972-7-5 4873 Siskiyou 0.6 mile south of Oregon state line on road to Happy Camp. 1707 Comment
  SEINET6635778 Image available Epilobium ciliatum subsp. glandulosum H. E. Brown 1897-1 552 Siskiyou S side of Mount Shasta 1524 Comment
  UC873374  Epilobium glaberrimum subsp. glaberrimum Alice Eastwood 1912-7-16 1065 Siskiyou McCloud Comment
  RSA120861  Epilobium glaberrimum subsp. glaberrimum H. K. Wagnon 1957-8-11 1711 Siskiyou East slope of Mt. Shasta, along Ash Cr., ca. 1 mi N of Military Pass Rd. Comment
  HSC29168  Epilobium hallianum Frederick W. Oettinger 1969-7-18 1053 Siskiyou Marble Mtn. Wilderness Area, SW of Upper English Lake 1951 Comment
  HSC32273  Epilobium hallianum J. O. Sawyer 1969-8-5 1742 Siskiyou W of Little Duck Lake 2073 Comment
  UC1026904  Epilobium hallianum W. Bridge Cooke 1940-7-5 15238 Siskiyou along road between Bear Springs and Wagon Camp; Mount Shasta 1615 Comment
  UCD80893  Epilobium hallianum Robert E. Preston 2001-7-21 1721 Siskiyou Rainbow Mountain and Vicinity. Klamath National Forest, north slope of Rainbow Mtn. 2066 Comment
  HSC92791  Epilobium hornemannii subsp. hornemannii Jennifer Whipple 1976-7-8 1336 Siskiyou N slopes of Mount Eddy 2439 Comment
  RSA237389  Epilobium hornemannii subsp. hornemannii Frederick W. Oettinger 1968-8-10 463 Siskiyou Stream inlet into Hancock Lake. Salmon Mountains; the High Lake Basins in the vicinity of English Peak; Marble Mountain Wilderness Area 1890 Comment
  RSA598062  Epilobium lactiflorum Louis C. Wheeler 1963-8-31 8325 Siskiyou Siskiyou Mountains. Devil's Punch Bowl off Clear Creek. 1524 Comment
  HSC69700  Epilobium minutum Maralyn A. Renner 1980-6-26 1266 Siskiyou Klamath National Forest, ridge along FS Rd. 15N01, 1 mi. N of Flint Valley. 1494 Comment
  RSA691939  Epilobium minutum Barbara Ertter 1990-7-14 9309 Siskiyou East side of Mount Eddy about 4 air miles due west of Mount Shasta City, at streamlet near end of Forest Road 41N53, about 1 mile north of Morgan Meadows. 1677 Comment
  UC1408901  Epilobium minutum Frederick W. Oettinger 1969-7-11 981 Siskiyou n Hancock Lake (sw-running ridge of mt., w Siskiyou Co., High Lake Basins in vicinity of English Peak); Salmon Mountains, Marble Mountain Wilderness Area, Little Me 2042 Comment
  POM171633  Epilobium minutum Doris K. Kildale 1929-7-20 8690 Siskiyou Raspberry Lake, upper Indian Creek 1829 Comment
  CAS-BOT-BC171835  Epilobium oreganum A. A. Heller 1914-8-25 11712 Siskiyou Deetz Station near Black Butte 1158 Comment
  SEINET10632308  Epilobium oreganum A. Arthur Heller 1914-8-28 Heller s.n. Siskiyou Mt. Eddy 1290 Comment
  UC125532  Epilobium siskiyouense Dr. E. B. Copeland 1903-9-7 3857 Siskiyou foot of glacier on se ridge Mt. Eddy Comment
  HSC34222  Equisetum arvense J. P. Smith 1974-5-25 7406 Siskiyou Along Rd. 8, 0.9 mi. from its junction with Hwy. 3 976 Comment
  UC399182  Equisetum arvense Geo. D. Butler 1908-7-16 249 Siskiyou Klamath River Comment
  HSC60047  Equisetum laevigatum M. A. Baker 1978-5-20 576 Siskiyou 3 km N of Somes Bar Comment
  UC1034593  Eremocarpus setiger Douglas Barbe 1955-7-1 68 Siskiyou 0.5 mi e Etna (near burned lumber mill, along edge of road) 853 Comment
  HSC68530  Eremogone congesta Maralyn A. Renner 1980-6-24 1058 Siskiyou 1/2 mi. E of Cook and Green Pass 1555 Comment
  CAS-BOT-BC168331  Eremogone congesta var. congesta A. A. Heller 1918-7-16 13031 Siskiyou Mt. Eddy, west of Sisson 2133 Comment
  CAS-BOT-BC168335  Eremogone congesta var. congesta John Thomas Howell 1937-7-24 13426 Siskiyou Caribou Basin, Salmon-Trinity Alps 2286 Comment
  CAS-BOT-BC286699  Ericameria bloomeri S. Cooper Smith 1942-10-11 42 - 1 Siskiyou Shasta National Forest. On #99 Highway at Black Butte 1188 Comment
  CAS-BOT-BC286706  Ericameria bloomeri A. A. Heller 1939-7-31 15428 Siskiyou Junction of the Horse Camp and Panther Meadow roads, Mt. Shasta Comment
  JEPS74448  Ericameria bloomeri W. J. Ferlatte 1966-9-18 486 Siskiyou Big Flat Trinity Alps, Big Flat (near public camp) 1524 Comment
  RSA14485  Ericameria bloomeri Elmer I. Applegate 1923-9-7 3956 Siskiyou Near Dry Lake lookout station, Doggett Ridge, Siskiyou Mts. 1829 Comment
  UC166600  Ericameria bloomeri Geo. D. Butler 1910-8-7 1823 Siskiyou Humbug Mountain 1219 Comment
  UC86517  Ericameria bloomeri J. D. Hooker and A. Gray 1877-1 Siskiyou n base Shasta Comment
  SEINET5709302 Image available Ericameria bloomeri Lowell E. Urbatsch, D. Clark 1974-1 1509 Siskiyou Along Rd to Ski Bowl on Mt. Shasta. 1676 Comment
  UC415690  Ericameria parryi var. latior Wm. M. Canby, III 1897-9-7 Siskiyou Mt. Shasta Comment
  UC725955  Ericameria parryi var. latior A. A. Heller 1925-7-13 13898 Siskiyou on highway near College Camp Comment
  OBI80253  Erigeron aliceae David J. Keil, Kathleen Keil 1990-7-28 s.n. Siskiyou Marble Mountains. Klamath National Forest. Rye Patch Creek Trail. 1700 Comment
  RSA238733  Erigeron aliceae Frederick W. Oettinger 1967-8-12 247 Siskiyou Below Crapo Peak Ridge. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2134 Comment
  JEPS41564  Erigeron bloomeri Geo. D. Butler 1909-5-10 699 Siskiyou dry hill near Yreka Comment
  RSA261540  Erigeron bloomeri J. M. Tucker, L. K. Mann 1963-8-18 3765 Siskiyou Saddle between Marble Mountain and SW ridge of Black Mountain (Black Marble Mountain), Marble Mountain Wilderness Area 2104 Comment
  HSC75806  Erigeron bloomeri var. bloomeri J. P. Smith, Thomas W. Nelson 1979-6-15 10122 Siskiyou Klamath National Forest, road to Carmen Lake, 0.6 mi. from its junction with Hwy. 3 1646 Comment
  HSC92420  Erigeron bloomeri var. bloomeri Jennifer Whipple 1976-6-30 1197 Siskiyou SE slope of Mt. Eddy, draining into the N Fork of the Sacramento River 2226 Comment
  RSA790073  Erigeron cervinus Rebecca Wenk 2006-9-2 546 Siskiyou Trail to Caribou Lakes from Big Flat Meadow. 1951 Comment
  HSC41811  Erigeron compositus Robert Wharton 1977-8-20 Siskiyou Along E slope of Mt. Shasta at Wintun Glacier along ridge between Ash & Brewer Creeks 3354 Comment
  CAS-BOT-BC297163  Erigeron concinnus var. concinnus Elmer I. Applegate 1929-6-18 5737 Siskiyou About 5 miles north of Edgewood, Shasta Valley Comment
  CAS-BOT-BC300379  Erigeron eatonii var. plantagineus Alice Eastwood 1921-7-28 10902 Siskiyou Medicine Lake Comment
  CAS-BOT-BC296126  Erigeron foliosus var. confinis Doris K. Kildale 1928-7-4 5490 Siskiyou Summit of divide between Salmon River and Scott Valley Comment
  RSA50155  Erigeron foliosus var. confinis E. K. Balls 1949-7-9 13947 Siskiyou Salmon Mts., summit of pass on road from Etna to Sawyer's Pass 1479 Comment
  HSC29237  Erigeron glacialis var. glacialis Frederick W. Oettinger, R. F. Thorne 1969-8-4 1174 Siskiyou Marble Mtn. Wilderness Area, English Peak area, N of Tobacco Lake 1890 Comment
  OBI55472  Erigeron inornatus David J. Keil, Kathleen Keil 1992-7-21 23534 Siskiyou Klamath NF SE of Callahan. forest Rd 40N08, 1.7 mi W of Scott Mtn Rd (hwy 3) Comment
  OBI53773  Erigeron inornatus var. inornatus David J. Keil 1992-7-20 23481 Siskiyou 10.3 mi W of Fort Jones along Scott River rd; above Scott river 900 Comment
  POM56541  Erigeron inornatus var. inornatus E. B. Copeland 1903-7-3 3531 Siskiyou Klamathon. Comment
  CAS-BOT-BC295460  Erigeron klamathensis Louis C. Wheeler 1934-8-6 3056 Siskiyou Rock Gulch off Jaynes Canyon, Siskiyou Mts. 1828 Comment
  JEPS101307  Erigeron klamathensis Dean W. Taylor 1999-8-12 17319 Siskiyou Mill Creek headwaters, Marble Mountains (ca. 4 miles W of Mugginsville, Quartz Valley) 1889 Comment
  JEPS84307  Erigeron klamathensis L. R. Heckard with J. Hickman et al. 1986-7-18 6530 Siskiyou above and s Alex Hole (n of Hwy 96); Buckhorn Campground Comment
  UC1409442  Erigeron klamathensis Frederick W. Oettinger 1968-8-19 588 Siskiyou along trail in gap in ridge between Tom's and Hancock Lake basins (w Siskiyou County, the high lake basins in the vicinity of English Peak, Marble Mountain Wilderness Area); Salmon Mountains 2145 Comment
  POM211820  Erigeron petrophilus var. viscidulus L. C. Wheeler 1934-8-24 3219 Siskiyou Trapper Creek. 1860 Comment
  CDA4938  Erigeron philadelphicus T. C. Fuller 1958-6-19 1887 Siskiyou Tom Williams property, 4 miles northeast of Montague. 0 Comment
  JEPS41375  Erigeron philadelphicus var. philadelphicus Willis L. Jepson Jul 24 1894-Aug 10 1894 Siskiyou Sisson Region of the Upper Sacramento, Sisson Comment
  CAS-BOT-BC300115  Erigeron pumilus var. intermedius J. H. Chastain 1917-6-1 s.n. Siskiyou Gazelle Comment
  POM65393  Eriodictyon californicum Geo. D. Butler 1910-5-25 1405 Siskiyou Near Yreka. Comment
  RSA15653  Eriodictyon californicum Carl B. Wolf 1927-8-26 1001 Siskiyou Klamath River, 5 miles below Hornbrook. Comment
  SEINET5328996  Eriogonum compositum G. Butler 1910-5-21 1378 Siskiyou Klamath hills Comment
  CAS-BOT-BC250066  Eriogonum compositum var. compositum John Thomas Howell 1939-8-2 14869 Siskiyou Spirit Lake, Marble Mts. 1828 Comment
  HSC30408  Eriogonum compositum var. compositum Frederick W. Oettinger 1968-9-6 748 Siskiyou Marble Mtn. Wilderness area, ridge trail E of Tom's Lake 2104 Comment
  CAS-BOT-BC33564  Eriogonum diclinum Louis Cutter Wheeler 1934-9-1 3235 Siskiyou Siskiyou Mts., Jaynes Canyon. 1950 Comment
  JEPS93929  Eriogonum elatum var. elatum Vernon H. Oswald and Lowell Ahart 1998-8-3 9409 A Siskiyou 11.5 mi w of Gazelle ((USFS 41N03) 1.0 mi e of its junction with Gazelle-Callahan Road); USFS 41N03 1524 Comment
  UC163808  Eriogonum elatum var. villosum Geo. D. Butler 1910-7-29 1797 Siskiyou near Yreka Comment
  CAS-BOT-BC261216  Eriogonum hirtellum James L. Reveal; Darin S. Reveal 1978-8-9 4810 a Siskiyou Along the dirt road from near Happy Camp to Baldy Mountain Lookout (USFS #17N11), 0.5 mile south of the junction of 17N23 near the head of Doolittle Creek 1280 Comment
  UC1299711  Eriogonum hirtellum Freed W. Hoffman 1948-7-8 2597 Siskiyou n, on Waldo-Happy Camp Road West Branch Camp; North Coast Ranges, Waldo-Happy Camp Road Comment
  LA25767  Eriogonum marifolium H. Lewis; M. Lewis 1951-7-12 sn Siskiyou Mount Shasta, Panther Meadows Comment
  SBBG21293  Eriogonum marifolium D. Myrick 1964-7-25 958 Siskiyou above Ski Bowl Lodge, Mt Shasta 2407 Comment
  UC917320  Eriogonum marifolium R. Tofsrud and J. M. Tucker 1948-8-2 1761 Siskiyou Panther Meadows, s slope of Mt. Shasta Mt. Shasta, Panther Meadows 2407 Comment
  CHSC110786  Eriogonum marifolium var. cupulatum Dean Wm. Taylor 2012-8-22 21301 Siskiyou Mt. Shasta vicinity; Pilgrim Creek Snowmobile Park, growing on the north shoulder Pilgrim Creek Road (Forest Road 12) about 200 meters east thereof; Shasta-Trinity National Forest. 1210 Comment
  CAS-BOT-BC263192  Eriogonum marifolium var. cupulatum G. A. Coleman 1901-8-17 s.n. Siskiyou On Red Butte, Mt. Shasta 2560 Comment
  UC1540014  Eriogonum microthecum var. ambiguum Mitchell 1936-5-9 12 Siskiyou sse sloipe of Schonchin Butte Lava Beds National Monument, Schonchin Butte 1569 Comment
  CAS-BOT-BC261672  Eriogonum nudum var. nudum A. A. Heller 1915-8-26 12246 Siskiyou Wagon Creek at the foot of Mt. Eddy 1127 Comment
  CDA22628  Eriogonum nudum var. nudum T. C. Fuller 1962-8-3 9504 Siskiyou Siskiyou Mountains; 200 yards up Raggedass Gulch, east of Beaver Creek, 5 miles north of the Klamath River. 0 Comment
  HSC24702  Eriogonum nudum var. nudum J. O. Sawyer 1969-8-1 1672 Siskiyou SE facing slope above Duck Lake Creek 1951 Comment
  UC917319  Eriogonum nudum var. nudum R. Tofsrud and J. M. Tucker 1948-8-2 1753 Siskiyou outskirts of McCloud McCloud Comment
  CAS-BOT-BC261616  Eriogonum nudum var. nudum John Thomas Howell; T. C. Fuller; G. D. Barbe 1980-5-21 53569 Siskiyou Yreka 822 Comment
  HSC42996  Eriogonum nudum var. nudum J. P. Smith, Steve Selva 1970-6-14 3860 Siskiyou Comment
  RSA237755  Eriogonum nudum var. nudum Frederick W. Oettinger 1968-8-16 532 Siskiyou Summit of Red Hill, north of Hancock Lake. Salmon Mountains. The High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2088 Comment
  CAS-BOT-BC269743  Eriogonum nudum var. oblongifolium Carl B. Wolf 1927-8-26 1043 Siskiyou On the Klamath River, 4 mi. north of Gottville Comment
  CAS-BOT-BC269744  Eriogonum nudum var. oblongifolium A. A. Heller 1916-9-1 12641 Siskiyou Near Yreka Comment
  CAS-BOT-BC272499  Eriogonum nudum var. pubiflorum Elmer I. Applegate 1935-6-11 9501 Siskiyou Upper Ice Cave area, Lava Beds National Monument Comment
  HSC43073  Eriogonum nudum var. pubiflorum J. P. Smith, J. O. Sawyer 1972-5-28 5366 Siskiyou 2.7 mi. N of Rd. 8 and Sugar Creek on Hwy. 3 915 Comment
  UC849497  Eriogonum nudum var. pubiflorum Lewis S. Rose 1937-7-26 37601 Siskiyou 3 mi e Mt. Shasta City 1371 Comment
  CAS-BOT-BC272475  Eriogonum nudum var. pubiflorum Laura M. Lathrop 1908-7-10 s.n. Siskiyou Shasta Retreat Comment
  CAS-BOT-BC272490  Eriogonum nudum var. pubiflorum Doris K. Kildale 1928-7-25 5874 Siskiyou Klamath River, between Brown's Resort & Gottville 579 Comment
  CAS-BOT-BC258742  Eriogonum ovalifolium var. ovalifolium Elmer I. Applegate 1935-6-11 9493 Siskiyou Upper Ice Cave Area, Lava Beds National Monument Comment
  UC1299708  Eriogonum ovalifolium var. purpureum Freed W. Hoffman 1948-7-12 2616 Siskiyou 2 mi w junction of Little Shasta road with Mt. Hebron road Comment
  HSC24900  Eriogonum pyrolifolium Richard Spjut 1970-7-24 871 Siskiyou Near the ski lodge on Mt. Shasta 3293 Comment
  CAS-BOT-BC252959  Eriogonum pyrolifolium var. pyrolifolium C. G. Pringle 1882-8-30 s.n. Siskiyou Mount Shasta 2743 Comment
  HSC43441  Eriogonum siskiyouense Jennifer Whipple 1976-9-2 1758 Siskiyou S face of Mt. Eddy draining into the N Fork of the Sacramento River 2439 Comment
  UC1032246  Eriogonum spergulinum var. reddingianum L. Whitney 1934-6-14 2 Siskiyou near Tennant; Dorris Quadrangle 1463 Comment
  RSA17458  Eriogonum sphaerocephalum Elmer I. Applegate 1935-6-5 9339 Siskiyou Capt. Jack's Stronghold, Lava Beds National Monument Comment
  RSA50192  Eriogonum sphaerocephalum E. K. Balls 1949-7-8 13912 Siskiyou Trail from Scott Mountain Camp to Carmen Lake; Scott Mountain. 1753 Comment
  CAS-BOT-BC263383  Eriogonum strictum var. proliferum A. A. Heller 1918-7-16 13028 Siskiyou Mt. Eddy, west of Sisson 2651 Comment
  UC55401  Eriogonum strictum var. proliferum Harley P. Chandler 1901-7-2 1733 Siskiyou Etna Mills North Coast Ranges, Etna Mills 914 Comment
  UCD101201  Eriogonum strictum var. proliferum Dean William Taylor; G. Ledyard Stebbins 1972-7-4 1623 Siskiyou along Highway 3, about 3 miles east of Etna. 1066 Comment
  HSC77292  Eriogonum ternatum L. P. Janeway 1983-8-7 515 Siskiyou Peak 5148 near end of USFS Rd. 17N32 19 mi. from Indian Creek Rd. 1555 Comment
  CAS-BOT-BC267940  Eriogonum umbellatum Gilbert Muth 1969-8-6 1184 Siskiyou Boulder Peak Comment
  CAS-BOT-BC267949  Eriogonum umbellatum Alice Eastwood; John Thomas Howell 1940-6-14 8257 Siskiyou Lava Beds Nat. Mon. near Indian Wells Comment
  HSC65577  Eriogonum umbellatum R. White 1977-7-7 111 Siskiyou Devil's Punchbowl, NE shore 1433 Comment
  CAS-BOT-BC267932  Eriogonum umbellatum Alice Eastwood 1921-7-29 10989 Siskiyou Bear Spring on road to Medicine L. Comment
  CAS-BOT-BC267987  Eriogonum umbellatum var. argus Doris K. Kildale 1928-8-19 6568 Siskiyou Hancock Lake, on trail to Marble Mt. 2133 Comment
  HSC289  Eriogonum umbellatum var. argus William J. Ferlatte 1967-8-23 1083 Siskiyou Head of Kidd Creek, E side of Black Mtn. 2439 Comment
  RSA12619  Eriogonum umbellatum var. argus Carl B. Wolf 1934-7-5 5966 Siskiyou 3 6/10 mi. from Dry Lake Lookout on rd. to Horse Creek, Siskiyou Mts. 1982 Comment
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Mar 29 2012
  UC1282017  Eriogonum umbellatum var. argus Louise Kellogg Aug 8 1953-Aug 9 1953 114 Siskiyou Scott Mountain Public Campground Scott Mountains, Klamath National Forest 1630 Comment
  JEPS100253  Eriogonum umbellatum var. lautum Dean W. Taylor 2003-8-13 18683 Siskiyou ca. 1 mi S of Greenview, along Kidder Creek Road 0.5 mi W from the junction with Hwy 3, Scott Valley; Trinity Alps 987 Comment
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May 3 2007
  CHSC30840  Eriogonum umbellatum var. nevadense M. S. Taylor; J. Prouty, E. Heinitz 1980-8-18 3261 Siskiyou Little Mt. Hoffman, in pumice. 2225 Comment
  HSC77562  Eriogonum umbellatum var. polyanthum L. P. Janeway 1983-8-26 615 Siskiyou At Poker Flat, dry W side of meadow 1524 Comment
  POM105092  Eriogonum umbellatum var. polyanthum Geo. D. Butler 1910-6-19 1580 Siskiyou Goosenest Foothills. 1524 Comment
  CAS-BOT-BC262381  Eriogonum vimineum Elmer I. Applegate 1935-8-3 10007 Siskiyou North base of Caldwell Butte, Lava Beds National Monument Comment
  SEINET3160095  Eriogonum vimineum G. D. Butler 1910-6-17 1572 Siskiyou near Yreka Comment
  CAS-BOT-BC262385  Eriogonum vimineum Louis C. Wheeler 1934-6-28 2811 Siskiyou Klamath National Forest. Beaver Cr. 701 Comment
  SEINET8850152 Image available Eriophorum gracile H. E. Brown 1897-7-15 628 Siskiyou South side of Mt. Shasta 1524 Comment
  JEPS69766  Eriophyllum lanatum var. achilleoides W. B. and V. G. Cooke 1972-6-30 45420 Siskiyou Military Pass Road Mt. Shasta 1524 Comment
  UC896368  Eriophyllum lanatum var. achilleoides A. A. Heller 1916-7-22 12488 Siskiyou slope e side Mt. Eddy Comment
  CAS-BOT-BC301120  Eriophyllum lanatum var. achilleoides L. Constance 1933-6-21 E 84 Siskiyou 1 mile south of Hornbrook Comment
  CAS-BOT-BC301449  Eriophyllum lanatum var. grandiflorum A. A. Heller 1916-6-23 12438 Siskiyou Near Black Butte north of Sisson 1127 Comment
  UC90283  Eriophyllum lanatum var. grandiflorum T. S. Brandegee 1890-7-1 Siskiyou Sisson Comment
  HSC58873  Eriophyllum lanatum var. lanceolatum Marvin Butler 1971-7-21 187 Siskiyou Near Bell Echo Camp, close to town of Cave Junction 1433 Comment
  HSC60388  Eriophyllum lanatum var. lanceolatum Carl Wishner 1978-8-1 554 Siskiyou Cuddihy Lakes Basin, Marble Mtn. Wilderness Area Comment
  POM358044  Eriophyllum lanatum var. lanceolatum M. B. Dunkle 1945-7-1 9058 Siskiyou Smoky Creek Comment
  SJSU6503  Eriophyllum lanatum var. lanceolatum R. W. Trivelpiece 1972-6-18 125 Siskiyou Douglas Cr near Klamath R c. 9 mi SW of Happy Camp 807 Comment
  POM358045  Eriophyllum lanatum var. lanceolatum M. B. Dunkle 1944-6-25 9019 Siskiyou Siskiyou National Forest. 1677 Comment
  UC1540015  Erodium cicutarium Mitchell 1936-5-14 22 Siskiyou Canby Cross Lava Beds National Monument 1249 Comment
  UC1565573  Eryngium mathiasiae Beth Corbin 1989-8-28 547 Siskiyou ca. 15 air mi. n. Fall River Mills (ca. 1/4 mi. n.-n.w. of Adobe Flat Reservoir) 1097 Comment
  CAS-BOT-BC54573  Erysimum capitatum John Thomas Howell 1939-8-2 14883 Siskiyou Spirit Lake, Marble Mountains. 1828 Comment
  RSA50152  Erysimum capitatum var. capitatum E. K. Balls 1949-7-10 13958 Siskiyou 8 miles from Sawyer s Bar on road to Cecilville. 793 Comment
  CAS-BOT-BC55121  Erysimum perenne Elizabeth McClintock; Wayne Roderick; Martha Roderick 1967-7-29 s.n. Siskiyou Road to Mumbo Basin, Trinity Mountains. 1889 Comment
  HSC91049  Erysimum perenne Jennifer Whipple 1976-6-24 1131 Siskiyou N slopes of Mt. Eddy 2439 Comment
  CHSC71505  Erythranthe pulsiferae Vernon H. Oswald; Lowell Ahart 1998-7-21 9361 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
  POM266139  Erythronium citrinum var. citrinum Elmer I. Applegate 1932-4-15 7059 Siskiyou Quartz Valley, near Fort Jones Comment
  HSC19558  Erythronium grandiflorum subsp. grandiflorum J. O. Sawyer 1969-7-18 1424 Siskiyou E of Russian Lake 2043 Comment
  SEINET10528989  Erythronium grandiflorum var. parviflorum Harley P. Chandler Chandler 1619 Siskiyou Ridges and meadows near Marble Mountain. 2135 Comment
  CHSC86257  Erythronium klamathense Martin J. Lenz 2003-5-1 2 Siskiyou North Fork Bear Creek, 3.1 mi NW of Pondosa. UTM: Zone 10. 606070E 4564100N. 1276 Comment
  CAS-BOT-BC403682  Eschscholzia californica Elmer I. Applegate 1935-6-10 9470 Siskiyou Harden Butte (Sand Hill), Lava Beds National Monument Comment
  HSC16751  Eschscholzia californica R. C. Wunner 1965-6-15 192 Siskiyou Lava Beds National Monument, SE side of Caldwell Butte near old cinder pit 1402 Comment
  RSA184656  Eucephalus ledophyllus var. covillei Clare B. Hardham 1965-08 13005 Siskiyou Near Cudahy Lakes, Marble Mountains 1524 Comment
  HSC22123  Eucephalus ledophyllus var. ledophyllus J. O. Sawyer 1969-8-1 1637 Siskiyou SE facing slope above Duck Lake Creek 1951 Comment
  HSC471  Eucephalus ledophyllus var. ledophyllus William J. Ferlatte 1966-8-3 294 Siskiyou Josephine Lake basin 1677 Comment
  HSC68016  Euphorbia esula J. P. Smith, Steve Selva 1970-7-17 4446 Siskiyou 915 Comment
  UC1971261  Euphorbia maculata Louis C. Wheeler 1963-8-23 8266 Siskiyou KLAMATH RIVER: Walker (near Oak Knoll). Comment
  CAS-BOT-BC310628  Eurybia radulina Wm. Bridge Cooke 1938-8-19 11511 Siskiyou Mount Shasta. Howard Comment
  CAS-BOT-BC459230  Euthamia occidentalis Geo. D. Butler 1910-8-27 1859 Siskiyou Oro Fino Comment
  HSC100206  Festuca californica J. P. Smith, , J. O. Sawyer, & R. J. Cole 2011-5-22 13181 Siskiyou Matthews Campground on the Cecilville to Forks of Salmon Road. 640 Comment
  RSA47658  Festuca idahoensis Roxana S. Ferris, Laura Lorraine 11797 Siskiyou Scott Mountain Road south of Callahan Comment
  UC593535  Festuca idahoensis E. B. Babcock, G. L. Stebbins Jr. 1936-6-11 1909 Siskiyou about 7 mi sw Yreka (s of highway from Yreka to Fort Jones); Forest House Mt. 1371 Comment
  SEINET10521968  Festuca idahoensis Stillman 1976-6-25 STILLMAN 99 Siskiyou Scott bar quad. T43n,r12w,sec.15. Montane and subalpine meadows. Marble Mountain wilderness area. Between marble gap and elk valley trail Comment
  CAS-BOT-BC278875  Festuca occidentalis Alice Eastwood 1912-7-17 1098 Siskiyou McCloud Comment
  HSC42967  Festuca occidentalis J. O. Sawyer, K. T. Stillman 1976-5-29 2750 Siskiyou Along Specimen Creek. 1433 Comment
  UC207708  Festuca occidentalis Geo. D. Butler 1910-7-12 1752 Siskiyou Shackleford Creek 1219 Comment
  HSC30645  Festuca pratensis Frederick W. Oettinger 1969-8-16 1402 Siskiyou Marble Mtn. Wilderness Area, Wire Grass Meadow above English Lake. 1677 Comment
  SEINET3364383 Image available Festuca roemeri Barbara L. Wilson 1996-6-22 8172 Siskiyou about 2 miles from Gazelle Road on the road to Mount Eddy (Forest Service Road 17). Comment
  HSC67780  Festuca rubra J. O. Sawyer`, J. Cole 1980-7-21 3857 Siskiyou N of F.S. Rd. 44N01 near intersection with road to Lava Camp. 1677 Comment
  HSC92061  Floerkea proserpinacoides Jennifer Whipple 1976-7-23 1527 Siskiyou Dale Creek drainage on the N face of Mt. Eddy 2195 Comment
  RSA29656  Floerkea proserpinacoides Louis C. Wheeler 1935-6-27 3596 Siskiyou Etna Creek, Marble Mtns. 1524 Comment
  UC12221  Fragaria Harley P. Chandler Jun 1901 1569 Siskiyou near Marble Mountain; North Coast Ranges 1828 Comment
  UC859959  Fragaria vesca A. A. Heller 1916-6-20 12406 Siskiyou ne base Mt. Eddy (Metcalf's ranch) 1188 Comment
  SEINET8274264  Fragaria vesca W. Bridge Cooke 1938-6-24 11079 Siskiyou McBride Springs. 1524 Comment
  CAS-BOT-BC53263  Frangula californica subsp. californica Marion Ownbey; Fred G. Meyer 1940-7-8 2224 Siskiyou Dry hillside along Indian Creek, 12 miles above Happy Camp Comment
  SEINET10690240  Frangula californica subsp. occidentalis Karen M. Meyer, Andrew Townesmith 2007-7-31 Meyer 176 Siskiyou Shasta-Trinity National Forest. 6.2 on NF Rd. 17, off US Hwy. 97. 1350 Comment
  CAS-BOT-BC53419  Frangula californica subsp. occidentalis Dorothy Parker 1950-6-27 465 Siskiyou Near an irrigation ditch in Scott Valley 883 Comment
  CAS-BOT-BC59983  Frangula purshiana G. B. Grant 2000-1-1 s.n. Siskiyou unspecified. Comment
  HSC59596  Frangula purshiana J. P. Smith, Steve Selva 1970-6-16 4087 Siskiyou 7 mi. W of Sawyers Bar on road to Forks of Salmon Comment
  SBBG27245  Frangula rubra subsp. obtusissima D. K. Kildale 1929-6-22 8032 Siskiyou base of Black Butte, Mt Shasta Comment
  HSC101714  Frangula rubra subsp. yosemitana J. P. Smith, J. O. Sawyer 2011-6-25 13263 Siskiyou At the junction of Hwy. 3 and Callahan - Gazelle Road. 834 Comment
  CAS-BOT-BC223587  Fraxinus latifolia Louis C. Wheeler 1934-9-15 3262 Siskiyou Klamath National Forest. Walker 518 Comment
  UC141797  Fraxinus latifolia Dr. E. B. Copeland 1903-7-4 3559 Siskiyou Klamathon Comment
  HSC35064  Fritillaria affinis J. P. Smith 1974-5-25 7645 Siskiyou Along Rd. 8, 4.7 mi. W of its junction with Hwy. 3 1159 Comment
  UC429285  Fritillaria atropurpurea Annie M. Alexander and L. Kellogg 1911-6-17 151 Siskiyou Jackson Lake Comment
  CAS-BOT-BC502841  Fritillaria atropurpurea Elmer I. Applegate 1895-5-29 714 Siskiyou West base of Mount Shasta, near Sisson Comment
  CAS-BOT-BC502845  Fritillaria atropurpurea Ira L. Wiggins 1950-5-28 12390 Siskiyou Hillside .3 mile west of Carmen Lake 1706 Comment
  JEPS55701  Fritillaria pudica D. Parker 1967-3-26 Siskiyou e. side of Scott Valley ca. halfway between Etna and Fort Jones; Scott Valley 914 Comment
  RSA256590  Fritillaria pudica J. P. Smith 1974-5-26 7581 Siskiyou Along Forest Service road 47N03, 1.4 mile northeast of Chandler Glade 1768 Comment
  HSC30288  Galium aparine William J. Ferlatte 1969-6-25 1185 Siskiyou Big Flat 1524 Comment
  POM367777  Galium aparine M. B. Dunkle 1944-6-25 9016 Siskiyou Siskiyou National Forest. 1677 Comment
  JEPS88842  Galium arcuatum T. Howell 1886-1 137 Siskiyou Comment
  HSC28215  Galium bolanderi Carl W. Mize 1972-6-8 25 Siskiyou 351 Comment
  SBBG18844  Galium bolanderi C. B. Hardham 1961-7-2 8051 Siskiyou banks of Scott River S of Steelhead Comment
  CAS-BOT-BC428043  Galium boreale Julie Kierstead Nelson; Martin Lenz; Rhonda Posey; Brenna Montagne 2013-7-12 2013 -011 Siskiyou Headwaters of West Parks Creek, Scott Mountain, eastern Klamath Range. Near Forest Rd. 41N73 1859 Comment
  HSC104308  Galium glabrescens subsp. glabrescens Dana York 2012-7-21 3144 Siskiyou Rogue River-Siskiyou National Forests; Siskiyou Mountains, Red Buttes Wilderness, a few meters below summit of Red Butte 2043 Comment
  JEPS52759  Galium porrigens var. porrigens G. Ledyard Stebbins 6136 Siskiyou 2 mi w Cecilville (on road to Forks of Salmon) Comment
  HSC81558  Galium serpenticum subsp. scotticum Thomas W. Nelson, Jane P. Nelson 1980-7-21 6159 Siskiyou Along F.S. 40N08, 0.6 mi. from junction with S.R. 3 1646 Comment
  UC618722  Galium trifidum W. Bridge Cooke 1938-7-29 11414 Siskiyou in narrow stream between two meadows Mt. Shasta, Wagon Camp Comment
  HSC19067  Galium triflorum J. O. Sawyer 1969-8-4 1891 Siskiyou Above S Sugar Lake 2043 Comment
  UC21600  Garrya buxifolia Thos. Howell Apr 1892 1437 Siskiyou Siskiyou Mts. Comment
  CAS-BOT-BC182233  Garrya fremontii J. H. Thomas 1954-5-14 4186 Siskiyou Salmon Mountains, Klamath National Forest. Near South Fork of Salmon River, 5 to 9 miles southeast of Cecilville 1219 Comment
  CAS-BOT-BC182247  Garrya fremontii J. H. Thomas 1954-5-14 4186 Siskiyou Salmon Mountains, Klamath National Forest. Near South Fork of Salmon River, 5 to 9 miles southeast of Cecilville. Along north side of river. 1219 Comment
  CHSC75719  Garrya fremontii Vernon H. Oswald; Lowell Ahart 1999-7-5 9802 Siskiyou Gazelle-Callahan Hwy. 11.1 mi west of Gazelle, 0.4 mi east of summit of Gazelle Mtn. 1158 Comment
  HSC29256  Garrya fremontii Frederick W. Oettinger 1968-8-18 581 Siskiyou HIgh Lake basin in the vicinity of English Peak, Marble Mtn Wilderness Area. NE side of Hancock Lake 1936 Comment
  UC527339  Garrya fremontii C. B. Wolf 1931-9-2 Siskiyou 4 mi above McCloud Road junction with Pacific Highway 1188 Comment
  CAS-BOT-BC182229  Garrya fremontii W. R. Dudley 1901-8-16 s.n. Siskiyou near the head of Willow Creek Grade, west of Gazelle Comment
  SEINET5765232  Garrya fremontii L. C. Wheeler 1934-6-22 2764 Siskiyou Cottonwood Creek, Siskiyou Mts. 1067 Comment
  HSC36727  Gaultheria shallon Brent Whiteley 1975-7-8 152 Siskiyou 610 Comment
  UC873638  Gayophytum diffusum subsp. parviflorum P. A. Munz 1941-9-10 16307 Siskiyou above Horse Camp Creek (near); Mt. Shasta Comment
  JEPS27537  Gayophytum heterozygum Willis L. Jepson Jul 24 1894-Aug 10 1894 14435 Siskiyou Sisson Region of the Upper Sacramento Comment
  SEINET4150938  Gayophytum heterozygum G. D. Butler 1910-7-3 1630 Siskiyou Goosenest foothills 1219 Comment
  UC873647  Gayophytum heterozygum W. Bridge Cooke 1941-9-5 16273 Siskiyou along the Memorial Hwy below MacBride Springs; Mt. Shasta Comment
  POM258620  Gayophytum heterozygum W. Bridge Cooke 1940-7-12 15340 Siskiyou Mount Shasta: along the Memorial Highway below MacBride Springs. 1372 Comment
  HSC91291  Gentiana newberryi Jennifer Whipple 1976-9-4 1792 Siskiyou Mt. Eddy, SW of Dobkins Lake along the drainage into the lake 2226 Comment
  JEPS24352  Gentiana plurisetosa Geo. D. Butler 1908-8-3 419 Siskiyou Log Lake Shackelford Creek 1737 Comment
  SEINET12651468 Image available Gentiana setigera C. C. Harris, S. K. Harris 1939-8-29 976 Siskiyou Half Moon Meadow, Marble Mountain Primitive Area. 1670 Comment
  UC224194  Geranium oreganum Dr. Edward Palmer Jul 13 1892-Jul 27 1892 2518 Siskiyou Mount Shasta and vicinity Mount Shasta Comment
  CAS-BOT-BC459623  Geum macrophyllum H. A. Thomas; J. H. Thomas 1954-7-21 4436 Siskiyou Salmon-Trinity Mts. About 6 miles SE of Cecilville. West side of Rush Creek. 1219 Comment
  CAS-BOT-BC459624  Geum macrophyllum H. A. Thomas; J. H. Thomas 1954-7-21 4436 Siskiyou Salmon-Trinity Mts. About 6 miles SE of Cecilville. West side of Rush Creek. 1219 Comment
  UC722695  Geum triflorum C. L. Hitchcock, J. S. Martin 1939-7-9 5326 Siskiyou 1/2 mi se of King's Castle (Marble Mountains); Marble Mountains 1828 Comment
  JEPS95305  Gilia capillaris Vernon H. Oswald and L. Ahart 1994-7-11 6399 Siskiyou T39N R6W SE1/4 SE1/4 Sec. 23, 6240 ft, Red Fir Forest. Junction of Forest Rd. 26 (to Mt. Shasta) and Forest Rd. 40N45 (to Deadfall Lakes Trailhead), 1.0 mi N of Gumboot Trailhead on the Pacific Crest Trail, W of Dunsmuir 1901 Comment
  RSA185783  Gilia capitata H. A. Thomas, John H. Thomas 1954-7-21 4407 Siskiyou Salmon-Trinity Mts. About 6 miles SE of Cecilville. West side of Rush Creek. 1037 Comment
  JEPS84253  Gilia capitata subsp. capitata L. R. Heckard with S. D'Alcamo, J. Hickman, S. Winchester 1986-7-15 6307 Siskiyou just s state line (Indian Creek Road from Takilma to Happy Camp); rd from Takilma to Happy Camp Comment
  SEINET10684536 Image available Glaux acutifolia A. Arthur Heller 1905-6-20 Heller 8073 Siskiyou Gazelle. Comment
  HSC22313  Glyceria elata J. O. Sawyer 1969-7-18 1399 Siskiyou Above S Russian Creek 1905 Comment
  HSC90811  Glyceria elata D. K. Imper 1987-7-21 Siskiyou Marble Mtn. Wilderness, 8 mi. E of Somes Bar 1372 Comment
  UC197495  Glyceria elata Geo. D. Butler 1910-7-14 1780 Siskiyou Shackleford Creek Comment
  RSA239000  Glyceria striata Frederick W. Oettinger 1969-8-19 1468 Siskiyou Southwest of Arrow Peak, north of English Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1860 Comment
  HSC2133  Glycyrrhiza lepidota C. B. Wolf 1927-8-26 1022 Siskiyou Klamath River, 5 mi. below Hornbrook Comment
  HSC2268  Gnaphalium palustre Geo. D. Butler 1910-6-12 1560 Siskiyou Yreka Creek Comment
  UC896940  Gnaphalium palustre A. A. Heller 1915-8-24 11211 Siskiyou ne base Mt. Eddy (Metcalf's Ranch) 1188 Comment
  HSC4414  Grayia spinosa R. C. Wunner 1965-6-13 157 Siskiyou Lava Beds National Monument, Petroglyph Section, S face 1220 Comment
  SJSU3570  Grindelia nana G. R. Ostrander 1965-7-14 78 Siskiyou by state Rte 89, 10 mi E of McCloud 1219 Comment
  SEINET1911810  Hackelia R. Tofsrud, J. M. Tucker 1948-1 1783 Siskiyou Openings in Yellow Pine woods, ca. 1.5 miles northwest of McCloud, California Comment
  CHSC154  Hackelia californica V. Holt 1932-6-23 Siskiyou McCloud River. Comment
  CHSC9491  Hackelia californica J. F. Goodwin 1971-7-3 133 Siskiyou 0.1 mi. south of road at Multiple Use Area, 4.9 mi. south of Mt. Shasta Ski Bowl area. 1889 Comment
  RSA235938  Hackelia californica J. L. Gentry Jr., David Vierig 1968-6-18 2065 Siskiyou 12.1 miles northwest of Siskiyou-Shasta Co. line on Calif. Hwy. 89. Comment
  HSC61912  Hackelia micrantha Ruby Van Deventer 1959-7-9 Siskiyou Poker Flat 1585 Comment
  HSC61915  Hackelia micrantha Ruby Van Deventer 1959-7-10 Siskiyou Poker Flat 1585 Comment
  JEPS25633  Hackelia micrantha Rimo Bacigalupi with Mr. and Mrs. Van Deventer 1959-7-9 7272 Siskiyou Poker Flat 1536 Comment
  UC1222249  Hackelia micrantha Joseph P. Tracy 1951-6-16 19494 Siskiyou at crossing of Takilma-Happy Camp Road (near state line, summit of the Siskiyous) Comment
  UC1222251  Hackelia micrantha Joseph P. Tracy 1951-6-16 19495 Siskiyou at crossing of Takilma-Happy Camp Road (near State Line, summit of the Siskiyous) Comment
  RSA495512  Hackelia setosa Elaine Joyal, D. Mehlman 1988-6-25 1271 Siskiyou Happy Camp - Takilma road at turn-off to Bolan Lake 1524 Comment
  HSC69219  Hastingsia alba Maralyn A. Renner 1980-8-31 2626 Siskiyou Twin Valley. 1494 Comment
  RSA377543  Hastingsia alba M. B. Dunkle 1945-7-24 9260 Siskiyou Klamath National Forest. Marble Mtns. Comment
  UCD132644  Hazardia whitneyi Joseph M. DiTomaso 1976-9-8 687 Siskiyou Trinity Alps. Sawtooth Ridge Trail above Stuarts Fork on pass. Siskiyou-Trinity county line. 2279 Comment
  UCD132645  Hazardia whitneyi var. discoidea Jack Major; M. Fleschner, R. Pemble 1966-9-4 s.n. Siskiyou east side of Marble Mountain, Marble Mountains. 1941 Comment
  HSC62598  Helenium bigelovii Ruby Van Deventer Aug 1957 Siskiyou Youngs Valley. Comment
  HSC69055  Helenium bigelovii Maralyn A. Renner 1980-8-6 2313 Siskiyou Cracker Meadow 1555 Comment
  JEPS84051  Helenium bigelovii L. R. Heckard with S. D'Alcamo, J. Hickman, and S. Winchester 1986-7-16 6363 Siskiyou ca 0.5 mi e Red Butte summit (ca 7 mi nne of Seiad Valley, w of Cook and Green Pass) 1900 Comment
  CAS-BOT-BC306746  Helenium bigelovii Gilbert Muth 1965-8-2 s.n. Siskiyou Marble Valley Comment
  HSC44710  Helianthella californica J. O. Sawyer, E. Cope 1977-6-18 2920 Siskiyou Along Clear Creek Trail between Ten Mile Creek and Bear Pen Creek 610 Comment
  CAS-BOT-BC305473  Helianthus annuus Carl B. Wolf 1927-8-26 1053 Siskiyou On the Klamath River, 3 mi. below Gottville Comment
  CHSC30914  Hemizonella minima M. S. Taylor 1980-7-8 3113 Siskiyou On ridge s of Castle Lake, above Hearts lake. 2016 Comment
  HSC68505  Hemizonella minima Maralyn A. Renner 1980-6-22 921 Siskiyou 1 mi. N of Little Shasta River 1402 Comment
  HSC101743  Herniaria hirsuta subsp. hirsuta J. P. Smith, J. O. Sawyer 2010-5-2 12804 Siskiyou Oak Bottom River Access Road 175 Comment
  HSC36946  Hesperochiron pumilus J. P. Smith 1974-5-26 7564 Siskiyou Along FS Rd. 47N03 1524 Comment
  RSA184729  Hesperochiron pumilus Gilbert Muth 1966-7-8 368 Siskiyou Marble Valley Meadow. Marble Mtns. 1793 Comment
  CDA15536  Heteromeles arbutifolia G. F. Hrusa 1998-7-5 14704 Siskiyou Siskiyou Mountains; Hwy 96 17.6 mi. W of Happy Camp. Comment
  UC574655  Heuchera cylindrica var. ovalifolia J. William Thompson 1936-7-8 13169 Siskiyou Lava Beds National Monument Comment
  JEPS84337  Heuchera merriamii L. R. Heckard with S. D'Alcamo, J. Hickman, S. Winchester 1986-7-16 6370 Siskiyou 7 mi nne of Seiad Valley (w of Cook and Green Pass, 1/2 mi e of Red Butte summit) 1900 Comment
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Jul 30 2009
  CAS-BOT-BC420710  Heuchera merriamii Doris K. Kildale 1928-7-2 6510 Siskiyou Salmon Summit via Horse Creek trail 1981 Comment
  CAS-BOT-BC420732  Heuchera merriamii M. B. Dunkle 1944-8-2 9279 Siskiyou Klamath National Forest. Marble Mts. 2194 Comment
  HSC64677  Heuchera merriamii J. O. Sawyer 1977-7-6 3036 Siskiyou Behind S Sugar Lake 1982 Comment
  HSC44501  Heuchera micrantha K. Irwin 1977-5-22 389 Siskiyou On South Fork Salmon River Rd., 4 mi. E of Cecilville Comment
  CAS-BOT-BC420719  Heuchera micrantha M. B. Dunkle 1945-7-19 9224 Siskiyou Sky-High Bluffs, Klamath forest 2194 Comment
  UC144318  Heuchera micrantha var. diversifolia A. A. Heller 1905-6-17 8060 Siskiyou near Sisson 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-BC425007  Heuchera micrantha var. micrantha John Thomas Howell 1937-7-26 13564 Siskiyou Between Big Flat and Caribou Gulch Comment
  HSC61158  Heuchera rubescens Al Hobart 16 Jul [year missing] Siskiyou El Capitan Comment
  CAS-BOT-BC319681  Hieracium albiflorum A. A. Heller 1915-8-26 12229 Siskiyou North side of Mt. Eddy 2133 Comment
  RSA12623  Hieracium albiflorum C. B. Wolf 1934-7-5 5962 Siskiyou 3 6/10 mi. from Dry Lake Lookout on rd. to Horse Creek, Siskiyou Mts. 1982 Comment
  CAS-BOT-BC319685  Hieracium albiflorum L. E. Smith 1913-7-6 s.n. Siskiyou North fork Castle Creek Comment
  JEPS84187  Hieracium bolanderi L. R. Heckard with J. Hickman et al. 1986-7-17 6469 Siskiyou trail up peak s Lily Pad Lake (ca 5 mi n of town of Seiad Valley, e ridge); Kangaroo Peak 1940 Comment
  CAS-BOT-BC318508  Hieracium bolanderi J. P. Smith; J. O. Sawyer 1975-10-23 8488 Siskiyou Unspecified 1767 Comment
  CDA7968  Hieracium bolanderi J. R. Grisham 1960-7-11 4659 Siskiyou Hambone Wells No. 1, Toad Lake. 0 Comment
  UC1223076  Hieracium greenei Joseph P. Tracy 1949-9-15 18559 Siskiyou Blue Ridge on road between Cecilville and Sawyer's Bar, near the summit; Salmon Mountains 1584 Comment
  CAS-BOT-BC315998  Hieracium nudicaule Wm. Bridge Cooke 1938-7-29 11407 Siskiyou Below Wagon Camp, Mount Shasta 1676 Comment
  UC897817  Hieracium nudicaule Alice Eastwood 1921-7-29 10976 Siskiyou on road to Medicine Lake; Bear Spring Comment
  CAS-BOT-BC316011  Hieracium nudicaule H. M. Hall 1909-7-1 8677 Siskiyou Salmon River, Salmon Mountains 1584 Comment
  CAS-BOT-BC316015  Hieracium nudicaule Alice Eastwood 1921-7-29 10976 a Siskiyou Pilgrim Creek Nursery Comment
  HSC36473  Hieracium scouleri J. O. Sawyer 1969-7-25 1525 Siskiyou SE facing slope W of Sugar Lake 1845 Comment
  HSC36470  Hieracium scouleri J. O. Sawyer 1969-8-18 1986 Siskiyou Along S Sugar Creek 1921 Comment
  CAS-BOT-BC280779  Holcus lanatus W. B. Cooke; V. G. Cooke 1963-7-12 34340 Siskiyou Memorial Highway, Mt. Shasta Comment
  RSA237613  Holodiscus discolor Frederick W. Oettinger 1969-9-4 1667 Siskiyou Cliffs south of of Tobacco Lake basin. Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1829 Comment
  RSA449787  Holodiscus discolor M. B. Dunkle 1944-7-15 9095 Siskiyou Siskiyou National Forest. Comment
  CAS-BOT-BC152371  Holodiscus discolor var. discolor R. F. Thorne; Frederick W. Oettinger 1969-8-4 63384 Siskiyou Klamath National Forest, Salmon Mountains, Marble Mountain Wilderness Area, high lake basins in the vicinity of English Peak, near crest of ridge above English Lake, along trail to Hancock Lake 1767 Comment
  CAS-BOT-BC152375  Holodiscus discolor var. discolor Annie M. Alexander; Louise Kellogg 1949-7-31 5906 Siskiyou Edge of trail at entrance to valley, Sky High Valley, Marble Mountains 1767 Comment
  HSC26577  Holodiscus microphyllus var. glabrescens J. P. Smith 1972-8-18 5750 Siskiyou Medicine Lake Glass Flow 2012 Comment
  HSC67791  Holodiscus microphyllus var. glabrescens J. O. Sawyer, J. Cole 1980-7-20 3750 Siskiyou 2 mi. N of Little Glass Mtn., on road connecting FS Rd. 45N05 with FS Rd. 47N75 1875 Comment
  UCR142756  Hordeum brachyantherum L. C. Wheeler 1934-8-14 3133 Siskiyou Siskiyou Mtns, North side of White Mountain 1768 Comment
  JEPS80525  Hordeum brachyantherum subsp. brachyantherum Gilbert Muth 1966-7-17 410 Siskiyou Marble Mountain Wilderness Area near Lookout; Marble Mountain Wilderness Area 2057 Comment
  CAS-BOT-BC284740  Hordeum jubatum Dorothy Parker 1948-7-16 78 Siskiyou In Plowmans Valley, East Fork of Scott River 1188 Comment
  JEPS44170  Horkelia daucifolia Geo. D. Butler 1909-5-8 713 Siskiyou Shasta Valley Comment
  HSC60168  Horkelia daucifolia var. daucifolia J. P. Smith 1976-5-21 8766 Siskiyou Klamath National Forest, FS Rd. 40N08, 6.9 mi. from its junction with Hwy. 3 1524 Comment
  UC221642  Horkelia fusca H. E. Brown 1897-7-31 530 Siskiyou S side of Mt. Shasta, Siskiyou Co. Comment
  UC485549  Horkelia fusca subsp. parviflora F. W. Hooper Apr. 1897 Siskiyou Little Shasta Comment
  HSC28  Horkelia fusca var. parviflora William J. Ferlatte 1966-6-22 69 Siskiyou Big Flat, near public camp 1524 Comment
  SJSU6484  Horkelia fusca var. parviflora R. W. Trivelpiece 1972-6-9 98 Siskiyou c. 4 mi E of Grass L 1524 Comment
  UC185648  Horkelia tridentata subsp. tridentata Dr. E. B. Copeland 1903-9-5 3865 Siskiyou Igerna 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
  HSC98313  Hosackia oblongifolia D. E. Anderson 1962-8-5 2312 Siskiyou 3 mi. W of Bartlett, 1 mi. N of Shasta Co. line on Hwy. 89 Comment
  HSC44713  Hosackia oblongifolia var. oblongifolia J. O. Sawyer, Ed Cope 1977-6-18 2917 Siskiyou Along Clear Creek Trail between Ten Mile Creek and Bear Pen Creek 610 Comment
  CAS-BOT-BC142664  Howellanthus dalesianus Dorothy Parker 1958-6-9 649 Siskiyou summit of Scott Mt. 1630 Comment
  JEPS79757  Hulsea nana L. R. Heckard 1967-8-13 1701 Siskiyou Mt. Eddy; summit region 2743 Comment
  JEPS1630  Hydrophyllum capitatum var. alpinum Geo. D. Butler 1910-5-10 1324 Siskiyou Bull Meadow; Goosenest Mountain 1676 Comment
  HSC22204  Hydrophyllum fendleri var. albifrons J. O. Sawyer 1968-7-2 365 Siskiyou Upper drainage of Joe Creek on steep N facing slopes. 1677 Comment
  HSC627  Hydrophyllum occidentale William J. Ferlatte 1966-7-7 215 Siskiyou N side of Caribou Mtn. 1982 Comment
  UC455935  Hydrophyllum occidentale I. J. Condit 1911-7-5 Siskiyou near Shasta Retreat (Mt. Bradley); Mt. Bradley 1524 Comment
  SBBG21928  Hypericum anagalloides D. Myrick 1964-7-25 969 Siskiyou Panther Meadows, Mt Shasta 2346 Comment
  CAS-BOT-BC400986  Hypericum anagalloides Doris K. Kildale 1928-8-8 6462 Siskiyou Near head of north fork of Salmon River at Finley's Upper Camp Comment
  RSA239013  Hypericum perforatum Frederick W. Oettinger 1966-7-30 s.n. Siskiyou Crawford Creek Guard Station, Salmon River District, Klamath National Forest, Cecilville Comment
  UC1096800  Ipomopsis aggregata H. K. Wagnon 1957-8-11 Siskiyou 6 mi w Military Pass (along Brewer Creek); e slope of Mt Shasta Comment
  UC23327  Ipomopsis aggregata unknown 1862-9-13 1368 Siskiyou near Mt. Shasta Upper Sacramento Comment
  SEINET10950885  Ipomopsis aggregata subsp. formosissima Karen M. Meyer, Andrew Townesmith 2007-7-29 Meyer 172 Siskiyou Shasta-Trinity National Forest. 0.3 mi. on 40N25 Rd., off Siskiyou County Rd., A10/Everitt Memorial Hwy. 1805 Comment
  HSC77019  Ipomopsis congesta K. T. Stillman 1976-6-25 58 Siskiyou Marble Mtn. Wilderness Area 2073 Comment
  HSC17050  Ipomopsis congesta R. C. Wunner 1965-6-26 285 Siskiyou Lava Beds National Monument, Schonchin Butte near top 1614 Comment
  JEPS52326  Iris chrysophylla Wayne Roderick 1963-6-10 Siskiyou ca. 10 mi. e. McCloud Comment
  SEINET3875271  Iris douglasiana D. E. Bright 1961-6-15 192 Siskiyou 5 miles west of Bray, California in dry stream-bed.; 0 Comment
  UC164387  Iris missouriensis Geo. D. Butler 1910-6-3 1467 Siskiyou Quartz Valley Comment
  CAS-BOT-BC133696  Iris tenax Marc Baker 1980-6-20 2182 Siskiyou Near Bald Mountain 274 Comment
  HSC43367  Iris tenuissima N. G. Sugihara 1977-5-28 85 Siskiyou Recently burned hillside, 0.3 mi. toward Sawyers Bar from Hwy. 96 1067 Comment
  SEINET6373100  Isatis tinctoria Barbara L. Wilson, Richard E. Brainerd 2010-1 16199 Siskiyou closed road near south edge of Black Butte, north of the dump. Comment
  UCR47638  Isatis tinctoria Don Pendleton 1986-6-26 s.n. Siskiyou N of Yreka along Interstate 5 Comment
  OBI55481  Isatis tinctoria David J. Keil, Kathleen Keil 1992-7-21 23526 Siskiyou Klamath Natl Forest SE of Callahan. Forest Rd 40N08, 0.5 mi W of Scott Mtn rd (hwy 3) Comment
  CAS-BOT-BC57772  Isoetes Clare B. Hardham 1965-8-20 13022 Siskiyou Cudahy Lakes, Marble Lakes. Comment
  UC371167  Isoetes bolanderi G. D. Butler 1908-8-4 255 Siskiyou head of Shackelford Creek 1524 Comment
  JEPS83820  Isoetes echinospora Wayne Roderick July 1976 Siskiyou vicinity of Cook & Green Pass (in Lily Pad Lake); Siskiyou Mts., Lily Pad Lake 1828 Comment
  UCR266170  Isoetes occidentalis David J. Keil, Kathleen Keil 1990-7-28 s.n. Siskiyou Marble Mountains, Klamath National Forest, Rye Patch Creek Trail, Paradise Lake 1865 Comment
  CDA42385  Juncus articulatus Jodi Aceves 2014-8-15 PDR# 470 P06027656 Siskiyou 0 Comment
  HSC77295  Juncus articulatus L. P. Janeway 1983-6-25 340 Siskiyou E side of Klamath River, N side of Independence Cr. Br. 290 Comment
  RSA368201  Juncus articulatus J. P. Smith 1978-7-1 9995 Siskiyou Klamath National Forest; O Neill Creek Campground. 488 Comment
  UC618744  Juncus balticus unknown 1938-9-8 11660 Siskiyou Squaw Creek Meadows lower, in the largest meadow Mount Shasta, Squaw Creek Meadows Comment
  HSC74839  Juncus bolanderi J. P. Smith, J. O. Sawyer 1978-7-3 10008 Siskiyou Williams Point along the Klamath River S of Hwy. 96 Comment
  UC842317  Juncus bufonius A. A. Heller 1916-6-20 12411 Siskiyou ne base Mt. Eddy (Metcalf's ranch) 1188 Comment
  HSC71130  Juncus confusus Thomas W. Nelson, Jane P. Nelson, J. P. Smith 1978-7-24 4498 Siskiyou Along W side of Hwy. 3, just N of Scott Mtn. Summit 1616 Comment
  UC842400  Juncus confusus John Thomas Howell 1939-8-3 15005 Siskiyou Spirit Lake Marble Mts. 1828 Comment
  HSC30703  Juncus drummondii Frederick W. Oettinger 1968-8-2 360 Siskiyou Marble Mtn. Wilderness Area, E shore of Diamond Lake 2073 Comment
  RSA577436  Juncus dubius L. C. Wheeler 1935-6-27 3619 Siskiyou Greenview, Scott Valley. 884 Comment
  UC1265483  Juncus ensifolius Frederick W. Oettinger 1969-7-29 1104 Siskiyou n shore Uncle's Lake (vicinity of English Peak, w Siskiyou County); Salmon Mountains, Marble Mountain Wilderness Area 1844 Comment
  HSC30700  Juncus hemiendytus var. hemiendytus Frederick W. Oettinger, R. F. Thorne 1969-8-7 1266 Siskiyou Marble Mtn. Wilderness Area, W of Upper English Lake 1768 Comment
  JEPS81650  Juncus hemiendytus var. hemiendytus L. R. Heckard with L. Constance and R. Ornduff 1969-6-24 2308 Siskiyou ca. 3 mi. n.e. Little Deer Mt.-The Whaleback Quad. (along rd. to Hoffman Mill, 1.2 mi from U.S. Hwy 97) 1554 Comment
  CAS-BOT-BC127615  Juncus mertensianus Doris K. Kildale 1928-8-19 6523 Siskiyou English Lake, head of north fork of Salmon River. Comment
  CHSC70073  Juncus nevadensis Jennifer Whipple 1976-7-24 1537 Siskiyou Mount Eddy, Klamath Mountains. Dale Creek drainage on the north face of Mount Eddy. 2255 Comment
  HSC71105  Juncus nevadensis var. nevadensis Thomas W. Nelson, Jane Nelson, J. P. Smith 1978-7-24 4511 Siskiyou Along W side of Hwy. 3 just N of Scott Mtn. Summit 1616 Comment
  HSC19247  Juncus parryi J. O. Sawyer 1969-8-1 1686 Siskiyou SE facing slope above Duck Lake Creek 1951 Comment
  HSC39843  Juncus parryi J. O. Sawyer 1969-7-23 1442 Siskiyou Near N Horse Range Creek along Rd. 41N14 1037 Comment
  HSC92706  Juncus parryi Jennifer Whipple 1976-7-23 1517 Siskiyou Dale Creek drainage on the N face of Mt. Eddy 2317 Comment
  JEPS75886  Juncus parryi W. J. Ferlatte 1966-6-22 116 Siskiyou Josephine Lake basin Trinity Alps 1676 Comment
  POM110819  Juncus xiphioides Geo D. Butler 1910-7-9 1734 Siskiyou Shackleford Creek. 1220 Comment
  CAS-BOT-BC80907  Juniperus Doris K. Kildale; J. W. Gillespie 1929-6-23 8039 Siskiyou Shasta River near Yreka 762 Comment
  CDA707  Juniperus communis var. saxatilis J. Grisham 1960-10-27 Siskiyou Mt. Eddy, ca. 6 mi. W of Mt. Shasta City. Comment
  HSC30624  Juniperus communis var. saxatilis Frederick W. Oettinger 1969-8-23 1513 Siskiyou Base of slope near Smith Lake, Salmon Mtns. 1677 Comment
  CAS-BOT-BC81219  Juniperus occidentalis C. H. M. 1919-9-24 s.n. Siskiyou Ager Comment
  HSC1278  Juniperus occidentalis R. C. Wunner 1965-6-18 205 Siskiyou Indian Well Campground, Lava Beds National Monument 1433 Comment
  UC567206  Juniperus occidentalis H. A. Jensen 1934-8-29 384 Siskiyou Cedar Park School Dunsmuir Quad. 883 Comment
  POM210970  Kalmia polifolia subsp. microphylla L. C. Wheeler 1934-8-5 3037 Siskiyou Mud Springs, Middlehell Creek. 2011 Comment
  HSC19782  Kelloggia galioides R. C. Wunner 1965-8-22 472 Siskiyou California Lava Beds National Monument; Hidden Valley 1585 Comment
  UC164422  Kelloggia galioides Geo. D. Butler 1910-7-3 1631 Siskiyou Goosenest foothills 1219 Comment
  HSC81991  Koeleria macrantha Thomas W. Nelson, Jane P. Nelson 1979-6-16 4864 Siskiyou Above Mule Creek, along Hwy. 3, 4.4 mi. N of Scott Mtn. Summit 1220 Comment
  SEINET10606857  Koeleria macrantha Louis C. Wheeler 1935-6-30 Wheeler 3630 Siskiyou Dry subsaline adobe flat. 3 mi. S. Grenada, Shasta Valley. 792 Comment
  HSC69095  Kyhosia bolanderi Maralyn A. Renner 1980-8-4 2222 Siskiyou Flint Valley 1390 Comment
  CDA7522  Lactuca tatarica subsp. pulchella J. G. Schieber 1967-8-9 Siskiyou Art Cherry property, 6 miles east of Macdoel. 0 Comment
  RSA580058  Lamium amplexicaule Louis C. Wheeler 1935-7-15 3666 Siskiyou Fort Jones, Scott Valley. 854 Comment
  UC163826  Lathyrus jepsonii var. californicus Geo. D. Butler 1910-7-6 1644 Siskiyou Shackleford Creek 914 Comment
  UCD106351  Lathyrus latifolius S. P. Lynch 1975-4-19 1384 Siskiyou Along roadsides on St. Hwy. 96, 16.3 mi. NE of Happy Camp. Comment
  SEINET955921  Lathyrus maritimus G. D. Butler 1910-1 1588 Siskiyou Dlaup Bank 1524 Comment
  UCSB16533  Lathyrus polyphyllus Breedlove, Dennis 1962-6-10 Siskiyou Along Indian Creek Road, 16.7 miles northwest of Happy Camp; Siskiyou Mountains 1127 Comment
  RSA238362  Ledum glandulosum var. californicum Frederick W. Oettinger 1968-8-2 349 Siskiyou S & W sides of Diamond Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2073 Comment
  CAS-BOT-BC88862  Lepidium campestre Dorothy Parker 1946-6-6 s.n. Siskiyou Plowman's Valley. 1188 Comment
  JEPS96803  Lepidium densiflorum var. macrocarpum Dean W. Taylor 1999-8-12 17302 Siskiyou Mill Creek headwaters, Marble Mountains (ca. 4 miles W of Mugginsville, Quartz Valley), creek crossing on logging road 1341 Comment
  JEPS117568  Lepidium latifolium Lowell Ahart, John Dittes 2010-7-30 16966 Siskiyou About 10 yards west of the East Louie Road Bridge, Shasta Big Springs Ranch, 1.6 miles (air) southwest of Big Springs Lake, 4.6 miles (air) northwest of Dwinnel Dam, 5.7 miles (air) southeast of Grenada 716 Comment
  JEPS94850  Lepidium latifolium Vernon H. Oswald and Lowell Ahart 1998-9-16 9646 Siskiyou Vista Point on Highway 161 adjacent to a marsh at Lower Klamath National Wildlife Refuge (8.7 mi e of Highway 97); Vista Point, Highway 161 1243 Comment
  CAS-BOT-BC89829  Lepidium montanum A. A. Heller 1925-7-25 s.n. Siskiyou In the Shasta Valley north of Gazelle. Comment
  CHSC114921  Lepidium perfoliatum D. B. Joley 1976-6-24 2 Siskiyou Mt. Shasta City. Comment
  POM94079  Lepidium ramosissimum var. bourgeauanum Geo. D. Butler 1910-6-27 1612 Siskiyou Yreka Creek. Comment
  UC637078  Lepidium virginicum Edward Lee 1934-8-10 1020 Siskiyou near Hamburg (between McKinney and Parkhouse Creeks, s bank of Klamath River); Klamath River 609 Comment
  CAS-BOT-BC60146  Lepidium virginicum var. menziesii Carl B. Wolf 1927-8-26 1095 Siskiyou On the Klamath River, 14 miles above Happy Camp. Comment
  HSC30426  Leptosiphon harknessii Frederick W. Oettinger, R. F. Thorne 1969-8-8 1294 Siskiyou Marble Mtn. Wilderness Area, Sundew Bog near English Lake 1829 Comment
  UC1540138  Lesquerella occidentalis subsp. occidentalis Dean Wm. Taylor and Rexford E. Palmer 1987-8-8 9262 Siskiyou Lyons Peak Medicine Lake volcanic highland region, Lyons Peak (extreme ne portion of co.) 2407 Comment
  UC375302  Lesquerella occidentalis subsp. occidentalis Geo. D. Butler 1909-4-25 588 Siskiyou Cherry Creek Comment
  UC1001184  Lesquerella occidentalis subsp. occidentalis Dorothy Parker 1953-5-12 531 Siskiyou w side Scott Valley; Siskiyou Mountains, w side of Scott Valley 1188 Comment
  POM4765  Lessingia nemaclada George B. Grant 1902-9-14 5213 Siskiyou Dunsmuir Comment
  CAS-BOT-BC508377  Leucocrinum montanum W. B. Cooke; V. G. Cooke 1979-6-1 s.n. Siskiyou South end of Shasta Valley, north of US-97 1143 Comment
  CAS-BOT-BC228829  Leucothoe davisiae Peter W. Fritsch; James R. Shevock; Lu Lu 2012-6-19 1928 Siskiyou The Eddys Region, Shasta-Trinity National Forest. Ca. 100 m S of Cedar Lake along road to Cliff Lake, headwaters of the Sacramento River 1744 Comment
  CAS-BOT-BC58263  Leucothoe davisiae John Thomas Howell 1937-7-24 13387 Siskiyou Caribou Basin, Salmon-Trinity Alps. 2286 Comment
  RSA355695  Leucothoe davisiae Dave Kelly, W. Wisura, A. Kelly 1986-7-29 4132 Siskiyou S side of Hancock Lake, Marble Mtn. Wilderness. Comment
  SEINET3107004  Leucothoe davisiae Steve Selva, Roger Jensen 1974-8-16 15 Siskiyou West end of Sugar Lake. Comment
  UC1951316  Leucothoe davisiae Robert F. Thorne and Fred Oettinger 1969-8-4 63378 Siskiyou Klamath National Forest, Salmon Mountains, Marble Mountain Wilderness Area, high lake basins in the vicinity of English Peak. At margin of Diamond Lake. Comment
  HSC69192  Lewisia cotyledon Maralyn A. Renner 1980-9-1 2696 Siskiyou Bear Mtn. 1936 Comment
  RSA183431  Lewisia cotyledon var. cotyledon J. M. Tucker 1963-7-7 3713 Siskiyou In vicinity of Paradise Lake, at base of Kings Castle on the east side, Marble Mountain Wilderness Area. 1982 Comment
  UC1299367  Lewisia cotyledon var. cotyledon Freed W. Hoffman 1950-7-13 4011 Siskiyou Baldy Mt. Comment
  UC375330  Lewisia rediviva Geo. D. Butler 1909-4-30 773 Siskiyou near Yreka (<Herzog?> hill) Comment
  CAS-BOT-BC444583  Lewisia triphylla John Thomas Howell 1937-7-24 13407 Siskiyou Caribou Basin, Salmon-Trinity Alps 2286 Comment
  UC618650  Lewisia triphylla William Bridge Cooke 1938-9-8 11657 Siskiyou Squaw Creek Meadows Mount Shasta Comment
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Mar 31 2006
  UC817326  Leymus cinereus L. E. Smith July 1915 Siskiyou Bray Comment
  UCD64299  Leymus condensatus Mr. Roseman 1913-1 Siskiyou Butte Valley. Comment
  UCD65580  Leymus triticoides August L. Hormay 1932-7-15 s.n. Siskiyou Weed Valley. Comment
  UCD65583  Leymus triticoides August L. Hormay 1932-7-15 s.n. Siskiyou Weed Valley. Comment
  HSC76682  Ligusticum californicum K. T. Stillman 1976-7-30 325 Siskiyou Marble Mountain Wilderness Area, Elk Valley Comment
  JEPS24032  Ligusticum grayi Rimo Bacigalupi with Drs. Reino and Aloha Alava 1958-9-3 6896 Siskiyou Siskiyou Mts., Poker Flat 1536 Comment
  HSC22273  Lilium kelleyanum J. O. Sawyer 1969-8-4 1899 Siskiyou Above S Sugar Lake 2043 Comment
  UC54199  Lilium kelleyanum H. M. Hall and E. B. Babcock Jun 1903 4047 a Siskiyou near Sisson (18th crossing of the Sacramento River); Sierra Nevada Mountains, Mount Shasta 1036 Comment
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Dec 13 2006
  CAS-BOT-BC509361  Lilium kelleyanum Albert M. Vollmer; L. Beane 1953-7-1 109 Siskiyou Foot of Mt. Shasta Comment
  CAS-BOT-BC509365  Lilium kelleyanum Albert M. Vollmer; Ira L. Wiggins 1940-7-5 7 Siskiyou On bottom of canyon and along banks of Cow Creek about 10 miles NE of Sawyer's Bar, on road to Etna. 975 Comment
  SEINET8264767  Lilium pardalinum Lincoln Constance 1928-6-9 Siskiyou Weed. Comment
  HSC68341  Lilium pardalinum subsp. pardalinum Maralyn A. Renner 1980-7-4 1427 Siskiyou Clear Creek Trail, N of Trout Camp. 1067 Comment
  HSC101482  Lilium pardalinum subsp. wigginsii J. P. Smith, J. O. Sawyer 2011-7-21 13034 Siskiyou Near Dillon Camp 1358 Comment
  RSA28139  Lilium washingtonianum Albert M. Vollmer, I. L. Wiggins 1940-7-5 9 Siskiyou 3.5 miles northeast of the town on Mount Shasta 1402 Comment
  CAS-BOT-BC133094  Lilium washingtonianum subsp. washingtonianum L. E. Smith 1913-7-4 s.n. Siskiyou North fork Castle Creek Comment
  CAS-BOT-BC133098  Lilium washingtonianum subsp. washingtonianum Alice Eastwood 1923-5-27 s.n. Siskiyou Shasta Springs 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
  CAS-BOT-BC133107  Lilium washingtonianum subsp. washingtonianum Albert Vollmer 1949-7-5 10 -A Siskiyou Base of Mount Shasta Comment
  JEPS58261  Linanthus bolanderi Geo. D. Butler 1909-4-26 617 Siskiyou Oro Fino Comment
  UCSB29033  Linanthus ciliatus var. ciliatus C. Hardham 1961-6-30 8013 Siskiyou NEAR WHITE MOUNTAIN 1828 Comment
  UC722477  Linanthus harknessii C. L. Hitchcock and J. S. Martin 1939-7-6 5214 Siskiyou on Takilma to Happy Camp road 1676 Comment
  CAS-BOT-BC94932  Linanthus nuttallii R. C. Wenk 2006-7-23 529 Siskiyou Coffee Creek Road, Big Flat Meadow, along Yellow Rose Mine trail to Dorleska Mine 1975 Comment
  CHSC71491  Linanthus pungens Vernon H. Oswald; Lowell Ahart 1998-7-21 9318 Siskiyou Shasta NF plantation on the west side of Hwy. 97 2.2 mi northeast of Lake Shastina-Big Springs Rd. northeast of Weed. 975 Comment
  CDA6298  Linaria genistifolia subsp. dalmatica T. C. Fuller 1962-6-11 8955 Siskiyou East side of Hwy 99 to Black Butte Summit, 4.1 miles south of Weed. 0 Comment
  CDA6303  Linaria genistifolia subsp. dalmatica T. C. Fuller 1962-5-17 8736 Siskiyou East side of Highway 99, across from Pinehurst Motel, south limits of Weed. 0 Comment
  CAS-BOT-BC240390  Linnaea borealis subsp. longiflora Wm. Bridge Cooke 1940-8-8 15421 Siskiyou Moutn Shasta. Along Squaw Valley Creek below the McCloud intake Comment
  HSC22270  Linnaea borealis subsp. longiflora J. O. Sawyer 1969-7-23 1168 Siskiyou Near Horse Range Creek. 1341 Comment
  UC1190261  Linnaea borealis var. longiflora Ira L. Wiggins 1955-7-23 13467 Siskiyou ridge w China Creek (s side of S Fork of Salmon River); , w of China Creek 1097 Comment
  RSA187335  Linum lewisii H. A. Thomas, John H. Thomas 1954-7-25 4538 Siskiyou Salmon Trinity Mts, Vicinity of Rush Lake and Rush Creek Meadow, 9 miles E of Cecilville. 1829 Comment
  HSC61926  Listera caurina Ruby Van Deventer Siskiyou Poker Flat 1585 Comment
  RSA382534  Listera convallarioides M. B. Dunkle 1944-7-4 9068 Siskiyou Beaver Creek, Siskiyou National Forest Comment
  UC62214  Lithocarpus densiflorus W. J. V. Osterhout 1903-1 Siskiyou Shasta Springs Comment
  CAS-BOT-BC36529  Lithocarpus densiflorus var. echinoides A. A. Heller 1915-8-26 12248 Siskiyou Wagon creek at the foot of Mt. eddy 1127 Comment
  CAS-BOT-BC36545  Lithocarpus densiflorus var. echinoides Geo. B. Grant 1902-9-15 s.n. Siskiyou Shasta Springs 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
  CAS-BOT-BC435632  Lithophragma heterophyllum Gilbert Muth 1966-7-14 385 Siskiyou Slopes above Marble Vally, Marble Gap Trail, Marble Mts. 1813 Comment
  CAS-BOT-BC325940  Lithospermum californicum D. E. Breedlove 1962-6-10 3303 Siskiyou Along Indian Creek Road, 15.6 miles NW of Happy Camp. 975 Comment
  HSC43055  Lithospermum californicum Ken Stillman 1976-8-24 446 Siskiyou E and N slopes of Williams Point 366 Comment
  POM133074  Lomatium californicum Geo. D. Butler 1910-5-18 1359 Siskiyou Near Yreka. Comment
  SEINET8589104  Lomatium californicum G. D. Butler 1911-5-18 1359 Siskiyou Dry thicket near Eureka Comment
  UC1246759  Lomatium californicum Howard Scott Gentry 1962-6-7 19753 Siskiyou near Klamath R. along Hwy. 99 609 Comment
  HSC43828  Lomatium macrocarpum Maralyn O'Meara 1974-5-27 484 Siskiyou Along FS Rd. 47N03 1646 Comment
  HSC68496  Lomatium macrocarpum Maralyn A. Renner 1980-6-22 882 Siskiyou Slopes N of Little Shasta River 1372 Comment
  HSC29129  Lomatium macrocarpum Frederick W. Oettinger 1969-7-10 958 Siskiyou Marble Mountain Wilderness Area, SSW of Upper English Lake 1921 Comment
  POM82362  Lomatium macrocarpum Geo. D. Butler 1910-6-5 1528 Siskiyou Shackleford Creek Comment
  RSA452143  Lomatium macrocarpum M. B. Dunkle 1945-1 9341 Siskiyou Klamath National Forest, Marble Mountains. 2439 Comment
  HSC46186  Lomatium piperi Jennifer Whipple 1977-3-20 1833 Siskiyou Scott Valley near Weston Gulch 854 Comment
  HSC39323  Lomatium triternatum var. macrocarpum J. P. Smith 1974-5-26 7389 Siskiyou Along FS Rd. 47N03 1524 Comment
  HSC69301  Lonicera conjugialis Maralyn A. Renner 1980-7-24 1988 Siskiyou Pacific Crest Trail above Lily Pad Lake. 1799 Comment
  POM68733  Lonicera hispidula var. vacillans Geo. D. Butler 1910-6-17 1571 Siskiyou Thickets near Yreka. Comment
  SEINET3154559  Lonicera involucrata G. D. Butler 1910-7-9 1700 Siskiyou margin of Shackleford creek 1219 Comment
  CAS-BOT-BC243924  Lonicera involucrata var. involucrata Dorothy Parker 1950-6-7 456 Siskiyou Along Scott River 853 Comment
  JEPS16301  Lonicera tatarica W. T. Mooney 1903-5-21 Siskiyou Yreka Comment
  CHSC86459  Lotus corniculatus Jenny Marr 1993-7-1 76 Siskiyou Butte Valley Wildlife Area, +/- 7 air miles NW of the town of MacDoel. Meadow NE of Meiss Lake. 1349 Comment
  SEINET3131480  Lotus crassifolius var. crassifolius G. D. Butler 1910-6-6 1452 Siskiyou Quartz Valley Comment
  JEPS55465  Lotus denticulatus Geo. D. Butler 1909-6-24 912 Siskiyou near Yreka Comment
  JEPS75364  Lotus denticulatus Geo. D. Butler 1908-6-24 389 Siskiyou near Yreka (Butler's Ranch) Comment
  CDA27279  Lotus nevadensis T. C. Fuller Jun 1958 1805 Siskiyou Tom Williams property, 4 miles northeast of Montague. 0 Comment
  JEPS75370  Lotus nevadensis var. nevadensis Geo. D. Butler 1908-6-28 392 Siskiyou L. Eastlick's Ranch Oro Fino Comment
  UC1034602  Lotus oblongifolius var. oblongifolius Douglas Barbe 1955-6-29 48 Siskiyou 1.8 mi e Callahan (s bank of Scott River); Klamath Mountains, Scott River 975 Comment
  JEPS75372  Lotus purshianus var. purshianus Geo. D. Butler 1908-7-5 390 Siskiyou near Yreka (Butler's Ranch) Comment
  UC1561366  Lotus purshianus var. purshianus Barbara Ertter 1987-7-26 7324 Siskiyou 2.2 mi n Scott Mt. summit (on Hwy 3, at road junction, w of road) 1371 Comment
  POM27064  Lotus unifoliolatus Geo. D. Butler 1910-6-27 1610 Siskiyou Yreka Comment
  RSA406444  Lotus unifoliolatus M. B. Dunkle 1944-9-15 9112 Siskiyou Siskiyou National Park. Comment
  HSC71446  Lotus unifoliolatus var. unifoliolatus J. P. Smith, Steve Selva 1970-7-15 4351 Siskiyou Klamath National Forest, road to Happy Camp. 732 Comment
  HSC83924  Luetkea pectinata K. Berg, Stephanie Bennett 1986-8-25 639 Siskiyou Salmon-Trinity Alps Wilderness, headwaters of Little S Fork of Salmon River, above Little S Fork Lake 1982 Comment
  UC1190149  Luetkea pectinata Ira L. Wiggins 1955-7-29 13571 Siskiyou pass at sw end Caribou Lake; Salmon-Trinity Alps Primitive Area 2072 Comment
  UC922372  Luetkea pectinata Annie M. Alexander and Louise Kellogg 1949-7-29 5895 Siskiyou near Hidden Lake (above Sky High Lake); Marble Mountains, Sky High Valley 1859 Comment
  SD87754  Luina hypoleuca Frank W. Peirson 1926-7-10 7021 Siskiyou Yreka; mountain range west of Yreka 1370 Comment
  OBI55450  Lupinus David J. Keil 1992-7-20 23508 Siskiyou Klamath Natl Forest, SW of Fort Jones. Along Forest Rd 46N64, 7.4 mi W of Scott river Rd 800 Comment
  UC173901  Lupinus adsurgens Geo. D. Butler 1909-5-8 709 Siskiyou Shasta Valley Comment
  UCD105861  Lupinus albicaulis A. A. Heller 1915-7-18 12117 Siskiyou Metcalf's ranch, northeast base of Mt. Eddy. 1188 Comment
  UCR63952  Lupinus albicaulis Steve Morgan 1987-7-28 s.n. Siskiyou Sierra Nevada Mtns, McGinnis Springs, 5 mi NW of McCloud, Shasta-Trinity National Forest, south of Mt. Shasta 1768 Comment
  CHSC71299  Lupinus albicaulis var. shastensis Vernon H. Oswald 1998-6-11 9184 Siskiyou Shasta NF plantation on the west side of Hwy. 97 2.2 mi northeast of Lake Shastina-Big Springs Rd., northeast of Weed. 1066 Comment
  UC15787  Lupinus albifrons T. H. Gilbert Jun 15 1899-Jul 15 1899 Siskiyou Scott River Valley Comment
  UC338162  Lupinus albifrons unknown 1889-6-27 Siskiyou Edgwood Edgwood (Edgewood?) Comment
  CAS-BOT-BC195956  Lupinus albifrons var. albifrons Geo. D. Butler 1910-5-16 1353 Siskiyou Yreka Comment
  SD116273  Lupinus albifrons var. collinus D. B. Dunn, B. J. Cox 1971-6-9 17937 Siskiyou 9.0 miles north of Weed, on U. S. Highway 97, at Whitney Creek. 1250 Comment
  HSC30774  Lupinus albifrons var. flumineus J. P. Smith, J. O. Sawyer 1972-5-28 5374 Siskiyou 1.2 mi. E. of Jackson Creek on Callahan-Cecilville Rd., Klamath National Forest 1341 Comment
  HSC36811  Lupinus albifrons var. flumineus J. P. Smith 1974-5-27 7623 Siskiyou Along FS Rd. 47N03 1280 Comment
  HSC22255  Lupinus andersonii J. O. Sawyer 1969-8-5 1945 Siskiyou Along Sugar Creek. 1921 Comment
  HSC22252  Lupinus andersonii J. O. Sawyer 1969-6-11 832 Siskiyou Lower slope next to the C.C.C. road on the N fork of Horse Range Creek 1357 Comment
  UC156893  Lupinus arbustus var. arbustus Geo. D. Butler 1909-5-14 705 Siskiyou Klamath Hills Comment
  CAS-BOT-BC8427  Lupinus argenteus Amos Arthur Heller 1905-6-9 8015 Siskiyou Montague Comment
  SEINET10544236 Image available Lupinus argenteus A. Arthur Heller 1905-6-9 Heller 8015 Siskiyou Montague. Comment
  CAS-BOT-BC196377  Lupinus argenteus var. heteranthus Alice Eastwood; John Thomas Howell 1934-4-20 1757 Siskiyou Near Yreka, along Shasta River Comment
  OBI59150  Lupinus bicolor Rhonda Riggins 1993-6-16 1686 Siskiyou Vacant lot at Main St and Lawrence Dr, Yreka Comment
  JEPS65034  Lupinus breweri W. L. Jepson 1907-7-6 2856 Siskiyou ridge above Cuddihy Valley Marble Mt. region Comment
  UCD107375  Lupinus breweri A. H. Murphy 1953-7-30 KNF 17 Siskiyou Coffee Creek, N. Fork. 2133 Comment
  CAS-BOT-BC196693  Lupinus breweri var. breweri Carl B. Wolf 1934-7-5 5961 Siskiyou Siskiyou Mts., 3 6/10 mi. from Dry Lake Lookout on road to Horse Creek 1981 Comment
  CAS-BOT-BC196694  Lupinus breweri var. breweri Marion Ownbey; Ruth P. Ownbey 1938-7-20 1763 Siskiyou Near Dry Lake Lookout, summit of the Siskiyou Mountains Comment
  CAS-BOT-BC215197  Lupinus croceus Christopher Davidson 1975-6-5 2681 Siskiyou 0.8 mile N of Scott Mountain Summit on Highway 3 1584 Comment
  SEINET10485430  Lupinus klamathensis Charles Piper Smith 1947-5-13 Smith 47275 Siskiyou 6.9 mi. E of weed. Hwy 97. Comment
  SEINET10937103  Lupinus klamathensis Charles Piper Smith 1940-6-7 Smith 15101 Siskiyou Occasional along the pacific hwy near black butte. 1219 Comment
  SD88546  Lupinus lapidicola Darley F. Howe 1972-7-4 4869 Siskiyou Sanger Pass Road, stoney hilltop south of marker for Del Norte-Siskiyou county line on the road to Youngs Valley Comment
  POM10902  Lupinus latifolius subsp. viridifolius E. B. Copeland 1903-8-13 7306 Siskiyou Sisson Comment
  RSA237934  Lupinus latifolius subsp. viridifolius Frederick W. Oettinger 1969-7-13 1006 b Siskiyou The High lake Basins in the vicinity of English Peak Marble Mountain Wilderness Area, slope north of Upper English Lake. 1951 Comment
  RSA237940  Lupinus latifolius subsp. viridifolius Frederick W. Oettinger 1968-9-7 768 Siskiyou The High Lake Basins in the vicinity of English Peak Marble Mountain Wilderness Area, near Tobacco lake. 1890 Comment
  UC1409222  Lupinus latifolius var. viridifolius Frederick W. Oettinger 1969-7-13 1006 a Siskiyou slope n Upper English Lake (High Lake Basins in the vicinity of English Peak, Marble Mountain Wilderness Area, Salmon Mountains, Western Siskiyou County); Salmon Mountains, Marble Mountain Wilderness Area 1950 Comment
  RSA32788  Lupinus laxiflorus A. A. Heller 1938-7-12 15260 Siskiyou East of Deer Mountain. 1402 Comment
  UC922627  Lupinus leucophyllus Annie M. Alexander and Louise Kellogg 1948-9-13 5618 Siskiyou Canyon Creek Siskiyou Mountains, , Canyon Creek (branch of Scott River) 762 Comment
  UC157000  Lupinus luteolus Geo. D. Butler 1910-6-1 1447 Siskiyou near Yreka; near Yreka Comment
  CHSC928  Lupinus obtusilobus V. Holt 1932-7-25 Siskiyou Mt. Shasta Flats. 1219 Comment
  HSC41639  Lupinus sellulus subsp. ursinus Jennifer Whipple 1976-9-2 1760 Siskiyou S face of Mt. Eddy draining into the N Fork of the Sacramento River 2439 Comment
  RSA50195  Lupinus sellulus var. artulus E. K. Balls 1949-7-8 13909 Siskiyou Trail from Scott Mountain Camp to Carmen Lake, Scott Mt. 1753 Comment
  SEINET5039261 Image available Lupinus shastensis Unknown 1905-1 8024 Siskiyou Shasta Springs Comment
  JEPS66702  Luzula parviflora B. C. Goldsmith 1916-7-23 9 Siskiyou 6 mi from McCloud; McCloud River, 6 mi from McCloud Comment
  UC1161522  Luzula parviflora J. M. Tucker 1963-8-19 3779 Siskiyou headwaters Canyon Creek; Marble Mountain Wilderness Area, headwaters Canyon Creek 1950 Comment
  RSA211368  Luzula parviflora William J. Ferlatte 1967-7-26 748 Siskiyou Caribou Basin. Ridge west of Big Caribou Lake. Steep slope with talus and solid rock outcrops. Trinity Alps. 2134 Comment
  HSC43052  Lythrum hyssopifolia Ken Stillman 1976-8-24 443 Siskiyou Along Klamath River at Williams Point. 366 Comment
  HSC81980  Madia elegans Thomas W. Nelson, Jane P. Nelson 1979-6-16 4859 Siskiyou Above Mule Creek, along Hwy. 3, 4.4 mi. N of Scott Mtn. Summit 1220 Comment
  SEINET11601350 Image available Madia elegans G. D. Butler 1910-5-19 1364 Siskiyou Yreka Comment
  CDA8243  Madia exigua G. D. Barbe, J. T. Howell, T. C. Fuller 1980-5-2 2773 Siskiyou Northwest point of Chaparral Hill overlooking Scott River, 2 miles (3.2 km) west of Fort Jones on Lighthill Grade Road. Comment
  CAS-BOT-BC343429  Madia gracilis Alice Eastwood 1917-9-2 6638 Siskiyou Shasta Springs Comment
  CAS-BOT-BC343433  Madia gracilis Louis C. Wheeler 1934-9-5 3247 Siskiyou Sterling Mt., Siskiyou Mts. 1981 Comment
  CAS-BOT-BC343434  Madia gracilis Louis C. Wheeler 1934-6-4 2646 Siskiyou Horse Creek, Siskiyou Mts. 1066 Comment
  CAS-BOT-BC343438  Madia gracilis Wm. Bridge Cooke 1938-8-5 11440 Siskiyou McBride Springs, Mount Shasta 1524 Comment
  OBI55434  Madia gracilis David J. Keil 1992-7-20 23493 Siskiyou Klamath NF, W of Fort Jones. Along Forest Rd 44N45, 3.9 mi S of Scott river rd Comment
  OBI55493  Madia gracilis David J. Keil 1992-7-21 23552 Siskiyou Klamath NF SE of Callahan. Forest Rd 40N08, 4.2 mi W of Scott Mtn rd (hwy 3) Comment
  POM31723  Madia gracilis subsp. gracilis Edward Palmer 1892-7-13 2557 -a Siskiyou Mt. Shasta and vicinity. Comment
  POM362185  Madia gracilis subsp. gracilis L. C. Wheeler 1934-6-4 2646 Siskiyou Siskiyou Mountains: Horse Creek near mouth 762 Comment
  RSA211521  Madia gracilis subsp. gracilis William J. Ferlatte 1966-8-3 248 Siskiyou Trinity Alps: Big Flat, wooded area near public camp 1524 Comment
  POM208277  Madia minima L. C. Wheeler 1934-6-1 2601 Siskiyou Siskiyou Mountains: Dry Lake Lookout 2058 Comment
  RSA237534  Madia minima Frederick W. Oettinger 1969-7-11 973 Siskiyou Northwest of Hancock Lake outlet. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1936 Comment
  UC89419  Madia sativa subsp. dissitiflora T. S. Brandegee July 1887 Siskiyou Sisson's Mt. Shasta, Sisson's Comment
  HSC30412  Maianthemum racemosum subsp. amplexicaule Frederick W. Oettinger 1968-8-7 438 Siskiyou Marble Mtn. Wilderness Area, between granite boulders, E side of Hancock Lake 1936 Comment
  HSC27467  Malacothrix floccifera J. P. Smith, J. O. Sawyer 1972-5-28 5379 Siskiyou Cecilville-Forks of Salmon 762 Comment
  CAS-BOT-BC67848  Marsilea vestita Louis C. Wheeler 1934-10-14 3323 Siskiyou Siskiyou Mountains - Shasta River 2 mi. below Yreka Creek - Mt. Diablo Mer. 670 Comment
  CAS-BOT-BC271153  Melica Melissa A. Berry 1957-7-8 s.n. Siskiyou South Russian Creek at Power House 822 Comment
  HSC21981  Melica fugax J. O. Sawyer 1969-7-9 1271 Siskiyou S facing upper slope above S Sugar Lake. 2378 Comment
  CAS-BOT-BC264197  Melica subulata John Thomas Howell 1937-7-22 13319 Siskiyou South Fork of Salmon River near Big Flat 1524 Comment
  HSC15846  Mentzelia albicaulis R. C. Wunner 1965-6-6 86 Siskiyou California Lava Beds National Monument, Indian Well Campground 1433 Comment
  SEINET3155018  Mentzelia laevicaulis G. D. Butler 1910-7-17 1789 Siskiyou Near Yreka Comment
  UC583414  Mentzelia laevicaulis var. laevicaulis Elmer I. Applegate 1923-9-6 3938 Siskiyou 12 mi below mouth of Shasta River; Klamath River Comment
  CAS-BOT-BC428550  Micranthes aprica A. A. Heller 1915-7-15 12081 Siskiyou Mt. Eddy 2072 Comment
  CAS-BOT-BC428733  Micranthes californica G. J. Muth 1969-8-8 1282 Siskiyou Gap Meadow, Boulder Peak Ridge Comment
  CAS-BOT-BC428734  Micranthes californica G. Muth 1966-7-31 475 Siskiyou Marble Valley Comment
  UC56720  Micranthes marshallii Harley P. Chandler 1901-6-25 1613 Siskiyou Upper Cottei Valley, near Haypress Mdw; W Siskiyou Co.) near Marbler Mountain Comment
  CAS-BOT-BC432853  Micranthes tolmiei Wm. Bridge Cooke 1938-8-22 11556 Siskiyou Mount Shasta. West slope of Shastina. Comment
  CAS-BOT-BC322666  Microseris laciniata Geo. D. Butler 1909-6-13 957 Siskiyou Oro Fino Comment
  UC1409493  Microseris laciniata subsp. siskiyouensis Frederick W. Oettinger 1969-7-11 966 Siskiyou English Lake Trail Salmon Mountains, Marble Mountain Wilderness Area (se-facing slope, high lake basins in vicinity of English Peak, w Siskiyou Co.) 1828 Comment
  UC707027  Microseris laciniata subsp. siskiyouensis G. L. Stebbins Jr. with A. A. Beetle 1942-6-1 3273 Siskiyou along river 2 mi n Swillup Creek Ranger Station; Klamath River 270 Comment
  POM208258  Microsteris gracilis subsp. humilis L. C. Wheeler 1934-6-1 2602 Siskiyou Siskiyou Mountains; Mt. Diablo Mer. Head Jaynes Canyon. 1829 Comment
  CHSC71504  Mimetanthe pilosa Vernon H. Oswald; Lowell Ahart 1998-7-21 9360 Siskiyou Northeast of Weed, east of Grass Lake, and west of Bray on Old State Highway 0.8 mi east of Tennant Rd. 1417 Comment
  RSA237540  Mimulus breweri Frederick W. Oettinger 1967-8-20 296 Siskiyou Stream about 100 yards below spring at Tom Taylor Cabin. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2049 Comment
  UC164370  Mimulus floribundus Geo. D. Butler 1910-6-22 1599 Siskiyou Yreka Creek Comment
  UC61069  Mimulus guttatus W. A. Setchell, C. C. Dobie 1902-7-17 Siskiyou Sisson Mount Shasta Comment
  RSA609081  Mimulus kelloggii Louis C. Wheeler 1935-4-16 3422 Siskiyou Soap Creek, Siskiyou Mtns. 1037 Comment
  JEPS8209  Mimulus layneae W. L. Jepson 1914-8-14 6169 Siskiyou Dunsmuir 670 Comment
  JEPS86983  Mimulus layneae David M. Thompson 1989-6-29 1023 Siskiyou near Black Butte (hill overlooking railway junction, mid-way between Mt. Shasta city and Weed, 1.2 mi n of I-5 interchage along n part of Truck Village Drive, e side of I-5) 1200 Comment
  POM5168  Mimulus layneae Copeland 1903-4-5 3857 Siskiyou Igerna. Comment
  RSA535617  Mimulus nanus var. jepsonii David M. Thompson 1988-6-4 931 Siskiyou Ca. 1.5 air mi SE of Deadhorse Summit. 1.3 mi NW of Shasta Co. line along Hwy 89. 1300 Comment
  JEPS3167  Mimulus nanus var. nanus George D. Butler 1908-6-29 60 Siskiyou Cherry Creek 1066 Comment
  RSA237535  Mimulus nanus var. nanus Frederick W. Oettinger 1967-8-5 948 Siskiyou Northwest of Lower English Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1829 Comment
  SDSU5486  Mimulus primuloides D. F. Howe 1964-8-4 3930 Siskiyou Medicine Lake, probably Shasta or Modoc National Forest. 2012 Comment
  UC454789  Mimulus primuloides I. J. Condit 1909-8-22 Siskiyou Sisson Comment
  HSC442  Mimulus primuloides var. linearifolius William J. Ferlatte 1967-8-17 955 Siskiyou Yellow Rose Mine 1982 Comment
  HSC72401  Mimulus primuloides var. linearifolius J. P. Smith, Steve Selva 1970-7-18 4480 Siskiyou Hanging bog at Kangaroo Lake. 1890 Comment
  HSC81621  Mimulus primuloides var. linearifolius Thomas W. Nelson, Jane P. Nelson 1980-7-19 6205 Siskiyou Along USFS Rd. 40N17 1.0 mi. from junction with Callahan-Cecilville Rd. 1585 Comment
  RSA211423  Mimulus primuloides var. linearifolius William J. Ferlatte 1967-8-17 955 Siskiyou Trinity Alps; Yellow Rose Mine. 1982 Comment
  JEPS4670  Mimulus pulsiferae Milo S. Baker 1893-6 Siskiyou 6 mi below (w of) Bartles; McCloud River Comment
  HSC90998  Mimulus tilingii Jennifer Whipple 1976-7-24 1529 Siskiyou Dale Creek drainage on the N face of Mt. Eddy 2195 Comment
  UC922334  Mimulus tilingii var. corallinus Annie M. Alexander and Louise Kellogg 1949-7-22 5833 Siskiyou edge of small stream which arises from spring at lower end of Paradise Lake; Marble Mountains, Paradise Lake 2072 Comment
  UC166123  Minuartia douglasii Geo. D. Butler 1909-5-2 660 Siskiyou near Yreka Comment
  RSA28128  Minuartia douglasii Elmer I. Applegate 1936-7-4 10509 Siskiyou North slope of Caldwell Butte, Lava Beds National Monument. Comment
  CAS-BOT-BC174731  Minuartia nuttallii Doris K. Kildale 1929-8-24 8817 Siskiyou Preston Peak 2225 Comment
  CAS-BOT-BC174735  Minuartia nuttallii Alice Eastwood 1912-7-23 1328 Siskiyou Cantara Comment
  JEPS51478  Minuartia nuttallii subsp. gregaria W. L. Jepson 1907-7-10 2871 Siskiyou near Putnam Peak; Klamath Range Comment
  CAS-BOT-BC181112  Minuartia nuttallii var. gregaria R. C. Barneby 1954-5-17 11539 Siskiyou Scott Mts., 8 miles above Callahan 1569 Comment
  LA205965  Mirabilis greenei Wm. Bridge Cooke; 1940-6-20 15155 Siskiyou along the Pacific Highway in the Klamath River gorge 609 Comment
  POM68866  Mirabilis greenei Geo. D. Butler 1909-5-16 774 Siskiyou Near Yreka 1067 Comment
  UC1459328  Mirabilis greenei George E. Pilz 1973-5-25 993 Siskiyou 4 mi n Yreka (above Shasta River) 700 Comment
  SEINET8544887  Mirabilis greenei G. D. Butler 1910-5-11 1334 Siskiyou Shasta Valley. Comment
  HSC4891  Mitella pentandra J. O. Sawyer 1968-7-10 463 Siskiyou Floodplain of Sugar Creek near Sugar Lake. 1799 Comment
  RSA211102  Mitella pentandra William J. Ferlatte 1967-7-9 686 Siskiyou Kidd Creek Trail. Trinity Alps. 1677 Comment
  HSC75348  Monardella glauca J. O. Sawyer, M. Mesler 1980-8-10 4030 Siskiyou S of Carmen Lake, ultramafics of Scott Mtn. 1829 Comment
  UC2035946  Monardella odoratissima subsp. glauca C. Epling 1938-6-13 Siskiyou Near Weed Comment
  UC2035947  Monardella odoratissima subsp. glauca C. Epling 1938-6-13 Siskiyou Near Weed Comment
  UC722274  Monardella odoratissima subsp. glauca C. L. Hitchcock, J. S. Martin 1939-7-6 5213 Siskiyou Takilma-Happy Camp road 1676 Comment
  CHSC67842  Monardella odoratissima subsp. pallida James D. Jokerst 1992-7-30 3431 Siskiyou Camp above Tamarack Flat, NW of Mt. Eddy. Comment
  UC1096813  Monardella odoratissima subsp. pallida H. K. Wagnon 1957-8-11 1702 Siskiyou Mt. Shasta ca. 1 mi W of Military Pass Road, along road to Brewer Creek. Comment
  RSA68919  Monardella odoratissima subsp. pallida A. E. Culbertson 1943-8-1 38 Siskiyou Castle Lake. 14 miles s.w. of Mt. Shasta on n side of a 6600 eastern spur of Trinity Mts.; 2000 above Sacramento R. within 10 air miles at its headwaters to the west. 1657 Comment
  HSC60798  Monardella purpurea Ruby Van Deventer 1960-7-7 Siskiyou Bell Echo Camp in Youngs Valley Comment
  SEINET10499763  Monardella sheltonii Mary Merello 1993-6-22 Merello 696 Siskiyou Shasta National Forest. Along Forest Road 26 to Lake Siskiyou outside of Mt. Shasta City. Mixed conifer forest. Steep, rocky serpentine slopes along Sacramento River. 1270 Comment
  JEPS63378  Monardella villosa subsp. villosa Geo. D. Butler 1908-7-19 169 Siskiyou Humbug Creek Comment
  UC164001  Monardella villosa subsp. villosa Geo. D. Butler 1908-7-19 169 Siskiyou Humbug Creek Comment
  UC75187  Monardella villosa subsp. villosa Dr. E. B. Copeland 1903-7-6 3497 Siskiyou Hornbrook Comment
  RSA240084  Monotropa hypopitys Frederick W. Oettinger 1969-8-23 1514 Siskiyou On hill above Smith Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. Comment
  CAS-BOT-BC444877  Montia fontana W. R. Dudley 1893-6-23 s.n. Siskiyou Castle Crag, near Mt. Shasta Comment
  LA95001  Montia parvifolia J. M. Tucker; L. K. Mann 1963-7-4 3696 Siskiyou vicinity of U.S. Forest Service Public Camp, just E of Finley Camp, rd from Etna to Sawyer's Bar Comment
  UC375333  Montia parvifolia Geo. D. Butler 1910-6-4 1488 Siskiyou Shackleford Creek 1066 Comment
  RSA238298  Montia parvifolia Frederick W. Oettinger 1969-7-13 1004 Siskiyou Salmon Mtns. High Lake Basins in the vicinity of English Peak. Marble Mtn Wilderness Area. 1951 Comment
  HSC100201  Morus alba J. P. Smith, , J. O. Sawyer, & R. J. Cole 2011-5-22 13170 Siskiyou Klamath National Forest, East Fork Campground. 735 Comment
  CAS-BOT-BC262613  Muhlenbergia andina K. T. Stillman 1976-9-10 507 Siskiyou Marble Mountain Wilderness Area. Up across Marble on east side of Black Mtn. 2103 Comment
  CAS-BOT-BC262614  Muhlenbergia andina Beecher Crampton 1956-8-21 3837 Siskiyou Lower slopes of White Ridge, canyon of the south fork of the Sacramento River 1371 Comment
  UC711878  Muhlenbergia asperifolia Roxana S. Ferris and Laura Lorraine 1941-8-11 10502 Siskiyou on US Hwy 97 Grass Lake Station 1554 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
  UCD86593  Muhlenbergia filiformis Beecher Crampton 1956-8-21 3817 Siskiyou south slope of Gumboot Lake, headwater of the south fork of the Sacramento River. 1920 Comment
  SEINET10599825  Muhlenbergia filiformis A. Arthur Heller 1914-8-25 Heller 11704 Siskiyou Plentiful in moist sandy soil near Deetz station 6 miles north of Sisson, completely covering the ground in places on the edges of thickets and burnt-over land. 1158 Comment
  CAS-BOT-BC275337  Muhlenbergia jonesii John R. Reeder; Charlotte G. Reeder 1972-7-24 5807 Siskiyou 1.5 miles SSE of Bartle 1219 Comment
  RSA403612  Muhlenbergia richardsonis E. Yale Dawson 1948-7-16 5094 Siskiyou Margins of Grass Lake, north of Mount Shasta 1524 Comment
  UC874310  Myriophyllum sibiricum Louis C. Wheeler 1935-6-23 3591 Siskiyou Shasta River 2 mi NW of Montague 762 Comment
  HSC96412  Narthecium californicum Gordon Leppig, J. Kalt 1996-7-9 366 Siskiyou Klamath National Forest, Russian Wilderness, cirque W of Little Duck Lake 2200 Comment
  HSC96869  Narthecium californicum Gordon Leppig, J. Cromwell 1997-7-25 582 Siskiyou Klamath National Forest, Russian Wilderness, cirque W of Little Duck Lake 2200 Comment
  UC1540246  Navarretia capillaris Dean W. Taylor 1987-6-26 9077 Siskiyou 2 mi se from Medicine Lake (Paynes Springs); se from Medicine Lake, Paynes Springs 1996 Comment
  UCD106105  Navarretia capillaris J. M. Tucker 1974-7-28 4327 Siskiyou Marble Mountain Wilderness Area, Haypress Meadows. 1463 Comment
  RSA238014  Navarretia divaricata Frederick W. Oettinger 1968-8-8 578 Siskiyou Tobacco Lake meadows. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1890 Comment
  JEPS70351  Navarretia intertexta Geo. D. Butler 1908-8-27 157 Siskiyou Oro Fino 853 Comment
  CAS-BOT-BC230385  Navarretia leucocephala subsp. minima Lewis S. Rose 1946-6-4 46142 Siskiyou 2 miles S of Dorris 1219 Comment
  UC1191634  Navarretia sinistra Herbert L. Mason 1948-7-17 13597 Siskiyou Eastern Grass Lake Comment
  POM65375  Nemophila parviflora var. austiniae H. P. Chandler 1901-06 1649 Siskiyou Marble Mountains. 2287 Comment
  RSA47797  Nemophila parviflora var. parviflora Roxana S. Ferris, Laura Lorraine 1948-6-12 11739 Siskiyou French Creek logging road west of Callahan. 1067 Comment
  UC1114141  Nemophila pedunculata Gene B. Newcomb and H. G. Baker Mar 28 1959-Mar 29 1959 230 Siskiyou on the road to Callahan 11.9 mi w Gazelle; w of Gazelle 1219 Comment
  UC163670  Nitrophila occidentalis Geo. D. Butler 1910-8-21 1849 Siskiyou Shasta Valley Comment
  UCD20356  Nitrophila occidentalis Jodi Notah 2002-5-30 s.n. Siskiyou Siskiyou county, 2 miles south of Grenada, just west of Interstate 5. Comment
  CAS-BOT-BC60571  Noccaea fendleri subsp. glauca Elizabeth McClintock; Wayne Roderick; Martha Roderick 1967-7-28 s.n. Siskiyou Trinity Mountains. Gumboot Lake. 1828 Comment
  CAS-BOT-BC60574  Noccaea fendleri subsp. glauca A. A. Heller 1915-7-15 12083 Siskiyou Mount Eddy. 2072 Comment
  CAS-BOT-BC60597  Noccaea fendleri subsp. glauca Lillian Mott 1976-7-4 38 LM76 Siskiyou Vicinity of Lily Pad Lake west of Cook and Green Pass. 2011 Comment
  HSC75095  Noccaea fendleri subsp. glauca J. P. Smith, Thomas W. Nelson 1979-6-15 10119 Siskiyou Klamath National Forest, road to Carmen Lake, 0.6 mi. from its junction with Hwy. 3 1646 Comment
  CAS-BOT-BC60580  Noccaea fendleri subsp. glauca Geo. D. Butler 1908-8-5 129 Siskiyou Summit above Cold Spring Wooley Creek. Comment
  UC164352  Nothochelone nemorosa Geo. D. Butler 1908-8-6 429 Siskiyou Marble Mountain, Whiskey Camp Whiskey Camp; Marble Mountain, Whiskey Camp Comment
  HSC27594  Notholithocarpus densiflorus Carl W. Mize 1972-6-21 67 Siskiyou Along trail 335 Comment
  HSC22484  Nuphar polysepala J. O. Sawyer 1969-8-1 1594 Siskiyou Above Horseshoe Lake 1921 Comment
  POM211388  Olsynium douglasii Louis C. Wheeler 1935-3-18 3377 Siskiyou Cottonwood Creek, Siskiyou Mtns. (Mt Diablo Mer.) 945 Comment
  UCD134660  Onopordum tauricum T. C. Fuller; W. T. Parsons 1960-7-26 4878 Siskiyou Fred Voelker Ranch, west edge of Meiss Lake Basin, just south of Sam's Neck, ca. 15 miles southwest of Dorris. Comment
  CHSC91259  Opuntia fragilis Lowell Ahart; John Dittes 2005-6-10 12101 Siskiyou Hillside, north of the rock fence, about 100 yards southeast of the pump house along the Shasta River, about 1.9 miles (air) south of Highway 99/97 Cutoff, about 6 miles (air) east-southeast of Grenada. 776 Comment
  JEPS121625  Oreostemma alpigenum var. andersonii Jennifer Buck, Deborah Stout 2011-8-24 Siskiyou Middle Fork Sacramento River headwaters, east slope of the Eddys, near Toad Lake. Sloping wet meadow in lodgepole pine forest on ultramafic soil. E aspect. Mount Eddy quadrangle. TL05A Comment
  UC595071  Oreostemma alpigenum var. andersonii David D. Keck 1938-8-8 4868 Siskiyou between Craggy Peak and Scott Mountain divide, at Trinity Co. line Craggy Peak; Trinity Co. line, Scott Mountain 1675 Comment
  JEPS51820  Orobanche uniflora subsp. occidentalis Theodore Niehaus 1966-6-20 719 Siskiyou Open slopes just below Little Castle Lake along trail from Castle Lake. Comment
  UC1028684  Orobanche uniflora subsp. occidentalis Herbert L. Mason 1947-5-17 14774 Siskiyou Summit of Scott Mountain grade. Trinity-Siskiyou Counties. Comment
  HSC19210  Orthilia secunda J. O. Sawyer 1968-6-25 316 Siskiyou Along Horse Range Creek 1829 Comment
  HSC19213  Orthilia secunda J. O. Sawyer 1968-9-10 685 Siskiyou Below Young's Meadow on Clear Creek. 1372 Comment
  HSC29319  Orthilia secunda Frederick W. Oettinger 1968-8-5 409 Siskiyou Marble Mtn. Wilderness Area, N of English Peak on way down to Upper English Lake 1951 Comment
  HSC296  Orthilia secunda William J. Ferlatte 1966-8-17 394 Siskiyou Caribou Basin 2134 Comment
  SD230221  Orthilia secunda Louis C. Wheeler 1959-7-25 7594 Siskiyou Marble Mountains: Camp Three, Rogers Creek. Comment
  UC1190151  Orthilia secunda Ira L. Wiggins 1955-7-29 13582 Siskiyou Summit of ridge above Thompson Creek, trail to Caribou Lake 1999 Comment
  CAS-BOT-BC458097  Orthilia secunda Edward Lee 1934-8-13 1087 Siskiyou Watershed of West Branch of Indian Creek, Happy Camp to Waldo (Oregon) road, Klamath National Forest 1463 Comment
  CAS-BOT-BC266619  Orthocarpus cuspidatus Dorothy Parker 1948-7-11 101 Siskiyou Shovel Creek, near Beswick 1011 Comment
  CHSC20419  Orthocarpus cuspidatus subsp. copelandii L. M. Mayer 1974-7-1 308 Siskiyou Along ridgetop, se of Shadow Lake. Marble Mountain Primitive Area. Comment
  UC1282016  Orthocarpus cuspidatus subsp. copelandii Louise Kellogg Aug 8 1953-Aug 9 1953 116 Siskiyou Scott Mountain Public Campground; Klamath National Forest, Scott Mountains 1630 Comment
  JEPS84026  Orthocarpus cuspidatus subsp. cuspidatus L. R. Heckard with J. Hickman et al. 1986-7-17 6516 Siskiyou n slope of Condrey Mountain Condrey Mountain 1960 Comment
  JEPS84027  Orthocarpus cuspidatus subsp. cuspidatus L. R. Heckard with J. Hickman et al. 1986-7-17 6498 Siskiyou ca 14.5 mi from Hwy 96 (Walker) near Dry Lake (Oak Knoll Ranger Station road to Condrey Mt.); near Dry Lake, road to Condrey Mt. 2000 Comment
  UCD123245  Orthocarpus tenuifolius A. H. Murphy 1956-8-14 56 G Siskiyou Klamath National Forest, pass on trail west of Marshy Lake. 2133 Comment
  CAS-BOT-BC94408  Osmorhiza occidentalis R. C. Wenk 2005-7-15 212 Siskiyou Trinity Alps, above South Fork of the Salmon River, along the Yellow Rose Mine trail. Top of pass, going N along ridge 2133 Comment
  HSC4882  Osmorhiza occidentalis J. O. Sawyer 1968-7-23 617 Siskiyou Near Big Flat Campground, Trinity Alps Primitive Area 1524 Comment
  HSC76685  Osmorhiza occidentalis K. T. Stillman 1976-7-30 322 Siskiyou Marble Mtn. Wilderness Area, ridge N of Black Mtn. into Elk Valley by way of Boulder Field, SE corner of valley 1768 Comment
  RSA237754  Oxyria digyna Frederick W. Oettinger 1969-8-25 1543 Siskiyou northeast-facing slope above Tanner Peak tail 400 yards down from English Peak Trail. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2134 Comment
  UC922364  Oxyria digyna Annie M. Alexander and Louise Kellogg 1949-7-22 5836 Siskiyou trail to Kings Castle Paradise Lake (Marble Mountains); , Paradise Lake 1996 Comment
  HSC313  Oxyria digyna William J. Ferlatte 1966-8-5 350 Siskiyou Caribou Mountain summit 2470 Comment
  CAS-BOT-BC316757  Packera cana Peter Hamilton Raven 1956-9-4 10390 Siskiyou pass just south of Mt. Eddy 2438 Comment
  UC1731286  Packera cana Dean Wm. Taylor with Joe Molter 1998-6-17 16558 Siskiyou base of hillslopes 3 mi s of Gazelle (bordering Shasta Valley, Scott Mountains); Klamath Region, Scott Mountains 1036 Comment
  UC53872  Packera cana H. M. Hall and E. B. Babcock June 1903 4095 Siskiyou near Sheep Rock; n side Mount Shasta 853 Comment
  UC128685  Packera streptanthifolia A. A. Heller 1905-6-20 8076 Siskiyou Gazelle Comment
  CAS-BOT-BC28833  Paeonia brownii A. A. Heller 1905-6-8 7994 Siskiyou Yreka Comment
  HSC26487  Panicum acuminatum var. fasciculatum J. P. Smith, Steve Selva 1970-7-16 4395 Siskiyou Along Klamath River, 2 mi. W of Seiad Creek 518 Comment
  CAS-BOT-BC253770  Panicum capillare Henry M. Pollard 1956-10-7 s.n. Siskiyou Klamath River bar on Spink's Ranch at Roger's Creek, Somes Bar Comment
  JEPS84272  Parnassia californica L. R. Heckard with J. Hickman 1986-7-16 6442 Siskiyou 5 mi n of the town of Seiad Valley (se of Red Butte, Lily Pad Lake); Lily Pad Lake 1770 Comment
  RSA68923  Parnassia californica A. E. Culbertson 1943-9-3 34 Siskiyou Castle Lake. 14 Miles SW of Mt. Shasta on N side of a 6600' eastern spur of Trinity Mts.2000' above Sacramento River within 10 air miles of its headwaters to the west. 1657 Comment
  CAS-BOT-BC202861  Paxistima myrsinites R. F. Thorne 1969-8-2 63324 Siskiyou Klamath National Forest, Salmon Mountains, Marble Mountain Wilderness Area, high lake basins in the vicinity of English Peak. Near jct. of Boulder Creek and N. Fork Salmon River, along trail to English Peak Comment
  CAS-BOT-BC202865  Paxistima myrsinites Wm. Bridge Cooke 1938-6-17 11046 Siskiyou Mount Shasta. Sisson Southern Trail 1432 Comment
  UC163687  Paxistima myrsinites Geo. D. Butler 1908-8-5 20 Siskiyou gulch below Cold Spring (Woolly Creek); Woolly Creek Comment
  CAS-BOT-BC266640  Pedicularis bracteosa Geo. D. Butler 1910-7-10 1735 Siskiyou Shackleford Creek, Upper Campbell Lake 1524 Comment
  CAS-BOT-BC266649  Pedicularis bracteosa var. flavida Maxine Wilkes 1940-8-1 s.n. Siskiyou Deep Lake, Marble Mountains Comment
  HSC76666  Pedicularis bracteosa var. flavida K. T. Stillman 1976-7-23 306 Siskiyou Marble Mtn. Wilderness Area 2012 Comment
  UCD123289  Pedicularis bracteosa var. flavida Alfred H. Murphy 1961-7-19 61 D Siskiyou Marble Mtns., Klamath National Forest, Sky High Valley, north end. 1584 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
  UCR208061  Pellaea brachyptera L. C. Wheeler 1934-8-15 3157 Siskiyou Siskiyou Mtns., East Fork Horse Creek 1524 Comment
  JEPS23801  Penstemon anguineus Rimo Bacigalupi with Mr. and Mrs. Van Deventer and Don Liles 1959-7-9 7259 Siskiyou Poker Flat 1536 Comment
  SFV3425  Penstemon anguineus D. Myrick 1961-6-21 313 Siskiyou On Deer Camp Road above Oak Knoll Ranger Station on Klamath River. 19 miles west of Highway 99. 1677 Comment
  JEPS84306  Penstemon anguineus L. R. Heckard with S. D'Alcamo, J. Hickman, S. Winchester 1986-7-16 6404 Siskiyou ca 5 mi n of the town Seiad Valley; Cirque at head Hell's Canyon, n of Seiad Valley 1750 Comment
  JEPS84078  Penstemon azureus L. R. Heckard with J. Hickman et al. 1986-7-17 6512 Siskiyou n slope of Condrey Mt. 1960 Comment
  RSA425613  Penstemon azureus Louis C. Wheeler 1934-7-3 2850 Siskiyou Head of Soda Crk, Sterling Mt, Siskiyou Mtns. 1768 Comment
  CHSC69094  Penstemon cinicola Vernon Oswald; Lowell Ahart 1997-7-28 8786 Siskiyou Southwest of Medicine Lake on road 43N54 at a meadow 0.6 mi southeast of Paynes Springs. 1920 Comment
  HSC69367  Penstemon cinicola J. O. Sawyer, J. Cole 1980-7-20 3782 Siskiyou S of Grouse Hill, at N base of Badger Peak 2146 Comment
  HSC60464  Penstemon davidsonii Carl Wishner 1978-7-19 548 Siskiyou Sandy Ridge trail 11W21 above Monument Lake, Marble Mtn. Wilderness 1768 Comment
  CHSC69095  Penstemon deustus var. pedicellatus Vernon Oswald 1997-7-28 8775 Siskiyou Forest Route 49 (Powder Hill Rd.) at 41N03 (to Porcupine Butte), 16 mi south of Medicine Lake. 1365 Comment
  NY609829  Penstemon deustus var. suffrutescens F. W. Pennell 1940-7-17 26169 Siskiyou Salmon Mountains, west of Etna 1828.8 Comment
  CHSC26190  Penstemon gracilentus J. P. Kroessing 1977-8-5 55 Siskiyou At Panther Meadow Campground, ca 14 km e on Everitt Memorial Hwy, and 6 km s of Mt Shasta Peak. 2270 Comment
  SBBG21884  Penstemon gracilentus D. Myrick 1964-8-25 950 Siskiyou above Ski Bowl Lodge, Mt Shasta 2407 Comment
  UC1483538  Penstemon gracilentus J. Sawyer and J. Cole 1980-7-19 3675 Siskiyou near F.S. Road 45N05 in center of section; Klamath National Forest, Medicine Lake Quad. 2017 Comment
  UC1584307  Penstemon gracilentus Julie Kierstead 1989-6-28 89 -53 Siskiyou vicinity spatter cones in T43N R3E S33 SE1/4 (McCloud R.D., Medicine Lake Highlands, Shasta-Trinity N.F.); Shasta-Trinity National Forests, Medicine Lake Highlands 1798 Comment
  UCD124184  Penstemon gracilentus J. M Tucker 1950-7-23 1939 Siskiyou Mount Shasta, 3.9 miles (by road) west of Panther Meadows. 1828 Comment
  JEPS100297  Penstemon heterodoxus var. shastensis Dean W. Taylor 2001-8-28 17905 Siskiyou Mt. Shasta; Ski Park Highway 0.7 miles north from Highway 89 at Snowmans Hill Summit 1417 Comment
  UC1586983  Penstemon laetus Juha Pykala and D. H. Norris 1987-6-26 2012 Siskiyou between Doolittle Creek and Stanza Creek (eastern tributaries of Elk Creek); Klamath National Forest, n of Sulphur Springs 1371 Comment
  RSA700414  Penstemon laetus subsp. sagittatus Noel Holmgren, James L. Reveal 1966-6-9 2678 Siskiyou US 97, Shasta Valley, 4 mi. north of Weed. 1159 Comment
  JEPS107410  Penstemon laetus var. sagittatus Lowell Ahart, John Dittes 2005-6-9 12029 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 774 Comment
  NY604568  Penstemon laetus var. sagittatus N. H. Holmgren 1980-7-1 9448 Siskiyou U.S. Highway 97, 8.7 km (5.4 miles) northeast of Weed. 1100 Comment
  HSC29296  Penstemon newberryi Frederick W. Oettinger 1968-9-6 747 Siskiyou Marble Mtn. Wilderness Area, Bear Meadow, Tom's Lake region 2188 Comment
  SBBG21851  Penstemon newberryi D. Myrick 1964-7-25 949 Siskiyou Shasta Ski Bowl Hwy, Mt Shasta 1524 Comment
  UCD124305  Penstemon newberryi Dean William Taylor 1972-7-3 s.n. Siskiyou near Little Duck Lake. Comment
  RSA68868  Penstemon newberryi subsp. newberryi A. E. Culbertson 1943-6-24 88 Siskiyou Castle Lake, 5434', in a north facing cirque with an abrupt 1000' backwall, 14 miles SW of Mt Shasta on N side of a 6600' eastern spur of Trinity Mts. 2000' above Sacramento R within 10 air miles of its headwaters to the west. Comment
  NY627428  Penstemon newberryi var. berryi F. M. Ownbey 1940-7-6 2204 Siskiyou West side of Cayenne Ridge at Summit, Marble Mountain Comment
  RSA420440  Penstemon parvulus M. B. Dunkle 1945-1 9208 Siskiyou Black Marble Mtn. Klamath Nat'l Forest. Marble Mtns. 2134 Comment
  NY130475  Penstemon piliferus A. A. Heller 1905-6-8 7991 Siskiyou Comment
  UC130602  Penstemon procerus var. brachyanthus H. M. Hall 1909-7-28 8672 Siskiyou head of Salmon River Salmon Mountains, head of Salmon River 1645 Comment
  HSC21100  Penstemon purpusii William J. Ferlatte 1967-6-8 672 Siskiyou Yellow Rose Mine Trail 1677 Comment
  CHSC67610  Penstemon roezlii J. D. Jokerst 1992-7-30 3410 Siskiyou Top of divide between Trinity River, N of road. (Interstate 5?). Comment
  CHSC86633  Penstemon roezlii Jenny Marr 1993-7-1 16 Siskiyou Butte Valley Wildlife Area, +/- 7 air miles NW of the town of MacDoel. Meadow NW of Meiss Lake. 1349 Comment
  UC163815  Penstemon roezlii Geo. D. Butler 1901-6-23 1601 Siskiyou Yreka Creek Comment
  HSC71133  Penstemon roezlii Thomas W. Nelson, Jane Nelson 1978-7-24 4495 Siskiyou Siskiyou-Trinity Co. line, along road to Carmen Lake, 100 m from junction with Hwy. 3 1585 Comment
  SEINET10898228  Penstemon rupicola Mary Susan Taylor 1980-7-8 Taylor 3094 Siskiyou T39N R5W south center sec 19, Dunsmuir quad; Shasta-Trinity Natl Forest; S end of Little Castle Lake, in steep granitic cliffs. 1768 Comment
  CAS-BOT-BC6686  Penstemon rydbergii var. varians David Daniels Keck 1940-6-13 5172 Siskiyou Grass Lake 1540 Comment
  POM252936  Penstemon shastensis A. A. Heller 1938-7-13 15269 Siskiyou Along US Hwy 97, just south of Bray. 1402 Comment
  POM257614  Penstemon sonomensis C. Leo Hitchcock, J. S. Martin 1939-7-7 5292 Siskiyou Sanger Peak. 1780 Comment
  CHSC1889  Penstemon speciosus N. Jaekal 1932-6-23 Siskiyou Mt. Shasta. 1828 Comment
  UC1303025  Penstemon speciosus A. A. Heller 1928-6-9 14605 Siskiyou near Yreka; near Yreka Comment
  UC144615  Penstemon speciosus A. A. Heller 1905-6-8 7991 Siskiyou Yreka; ; Yreka, Siskiyou Co. Comment
  UC1602334  Penstemon speciosus H. M. Hall and E. B. Babcock June, 1903 4097 Siskiyou Mount Shasta Sierra Nevada Mountains, Mount Shasta 853 Comment
  JEPS12410  Perideridia howellii Geo. D. Butler 1910-8-13 1831 Siskiyou Quartz Valley 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
  HSC169  Perideridia parishii subsp. latifolia William J. Ferlatte 1966-8-2 233 Siskiyou Big Flat, wooded area near public camp 1524 Comment
  SD76662  Persicaria maculosa Helen V. Witham none given Siskiyou At bridge to Indian Scotty Campground, Scott River Comment
  CAS-BOT-BC330263  Petasites frigidus var. palmatus H. A. Thomas; J. H. Thomas 1954-7-23 4469 Siskiyou Salmon - Trinity Mts. Abouty 6 miles SE of Cecilville. Vicinity of Blind Horse Creek. 1036 Comment
  JEPS117879  Phacelia cookei unknown 1976-7-27 Siskiyou Along Military Pass Road on edge of Goosenest Pine Plantation. Comment
  UC1442843  Phacelia cookei W. B. and V. G. Cooke 1965-7-12 35182 Siskiyou Bolam Rd Mt. Shasta Comment
  HSC30735  Phacelia corymbosa Glenn McGourty 1974-5-25 68 Siskiyou On Rd. 8, 0.9 mi. from jct. with Hwy. 3 976 Comment
  HSC66244  Phacelia greenei Maralyn A. Renner 1980-6-9 833 Siskiyou Ridge SE of FS Rd. 45N35 1341 Comment
  HSC67835  Phacelia hastata J. O. Sawyer, J. Cole 1980-7-22 3920 Siskiyou NW slopes of Cedar Mtn. 1524 Comment
  UCD120557  Phacelia linearis Wm. E. Moon 1958-5-29 s.n. Siskiyou State Hwy. 97, 12 miles northeast of Weed. 1219 Comment
  UCD120556  Phacelia linearis E. K. Balls 1950-5-17 14725 Siskiyou New Lava Flow, rd. from Schonchin Butte to Capt. Jack's Stronghold, Lava Beds Nat'l Monument. 1493 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
  JEPS2030  Phacelia mutabilis Willis L. Jepson 1894-8-4 21040 Siskiyou Horse Camp Comment
  JEPS84331  Phacelia mutabilis L. R. Heckard with J. Hickman et al. 1986-7-17 6505 Siskiyou e Condrey Mt. (slopes of hole); Alex Hole 1880 Comment
  SD76168  Phacelia mutabilis Helen V. Witham 1969-10-9 594 Siskiyou Mt. Shasta. Disturbed area near McBride Springs Road. 1500 Comment
  UC618690  Phacelia mutabilis W. Bridge Cooke 1938-7-15 11273 Siskiyou Wagon Camp-Horse Camp Trail Mt. Shasta Comment
  UC794430  Phacelia mutabilis W. Bridge Cooke 1949-8-26 25655 Siskiyou old logging rd above Bolam Station; Mount Shasta Comment
  JEPS34514  Phacelia pringlei Freed W. Hoffman 1948-7-7 2415 Siskiyou road to Callahan North Coast Ranges, Scott Mountains 1524 Comment
  UC923132  Phacelia procera Freed W. Hoffman 1950-7-13 3338 Siskiyou Baldy Mountain Lookout North Coast Ranges (w Siskiyou Co.) 1737 Comment
  HSC29248  Phacelia procera Frederick W. Oettinger 1969-7-18 1056 Siskiyou Salmon Mtns., cliffs SW of Upper English Lake 1829 Comment
  JEPS107317  Phacelia ramosissima var. ramosissima Lowell Ahart, John Dittes 2005-6-10 12084 Siskiyou Under a juniper tree, about 50 yards southeast of the pump house along the Shasta River, about 1.9 miles (air) south of Highway 99/97 Cutoff, about 6 miles (air) east-southeast of Grenada 776 Comment
  UCD88525  Phalaris arundinacea B. A. Madson Date Unknown s.n. Siskiyou 3 miles N of Tulelake. 1219 Comment
  CAS-BOT-BC77416  Philadelphus lewisii Geo. D. Butler 1910-6-12 1558 Siskiyou Yreka Creek Comment
  CHSC57434  Philadelphus lewisii L. P. Janeway 1984-6-21 858 Siskiyou Garvey Bar, south side of Klamath River just east of Humbug Point. On flat above river. 594 Comment
  UC165387  Philadelphus lewisii Geo. D. Butler 1910-6-12 1558 Siskiyou Yreka Creek Comment
  RSA0057592  Philadelphus lewisii G. D. Barbe 1955-6-27 s.n. Siskiyou 0.8 mi north of Callahan in the dredgings near Hjertagers Mill. 976 Comment
  NY186333  Philadelphus platyphyllus H. E. Brown 1897-7-1 562 Siskiyou South side of Mount Shasta 1524.0 Comment
  RSA580859  Phleum pratense L. C. Wheeler 1934-6-22 2752 Siskiyou Cottonwood; Siskiyou Mountains 915 Comment
  HSC27689  Phlox adsurgens Carl W. Mize 1972-6-8 39 Siskiyou Along main trail 1/2 mi. before Deer Lick Creek 396 Comment
  HSC46003  Phlox diffusa J. P. Smith 1973-5-5 6472 Siskiyou Along Cook and Green Pass Rd. Comment
  UC195176  Phlox diffusa Annie M. Alexander and Louise Kellogg 1911-6-21 165 Siskiyou Jackson Pk and Jackson Lake Jackson Pk., Jackson Lake Comment
  POM301670  Phlox diffusa subsp. diffusa Marion Ownbey, Fred G. Meyer 1940-7-4 2191 Siskiyou On ridge above head of Brewer Creek, east side of Mt. Shasta. Comment
  SEINET7963210 Image available Phlox douglasii Marion Ownbey, Ruth P. Ownbey 1938-1 1762 Siskiyou Near Dry Lake Lookout, summit of Siskiyou Mountains Comment
  JEPS71104  Phlox gracilis George D. Butler 1909-4-18 625 Siskiyou near Yreka Comment
  RSA469941  Phlox speciosa subsp. nitida J. P. Smith 1973-5-5 6546 Siskiyou Scott Bar along the Scott River. Comment
  UC23965  Phlox speciosa subsp. nitida C. B. Bradley 1879-1 Siskiyou Comment
  CAS-BOT-BC56489  Phyllodoce empetriformis Joseph P. Tracy 1935-8-1 14406 Siskiyou Rock Lake, on ridge between Salmon and New Rivers, at extreme head of West Fork of Knownothing Creek 1889 Comment
  LA41254  Phyllodoce empetriformis John Thomas Howell; 1937-7-24 13396 Siskiyou Caribou Basin, Salmon-Trinity Alps 1981 Comment
  UCR219537  Phyllodoce empetriformis R. F. Thorne, Frederick W. Oettinger 1969-8-4 63364 Siskiyou Salmon Mountains, Klamath National Forest, Marble Mountain Wilderness Area, vicinity of English Peak 2098 Comment
  CDA5887  Physalis longifolia T. C. Fuller 1966-10-6 15246 Siskiyou Clement ranch, 5 miles north of Montague. 0 Comment
  POM208276  Physocarpus capitatus Louis C. Wheeler 1934-7-5 2877 Siskiyou Beaver Creek at Deer Creek, Siskiyou Mts. 976 Comment
  UC14119  Physocarpus capitatus W. H. Brewer 1862-9-7 1340 Siskiyou Upper Sacramento Ferry Camp 96; Upper Sacramento Ferry Comment
  CAS-BOT-BC73473  Picea breweriana John Thomas Howell 1937-7-24 13413 Siskiyou Caribou Basin, Salmon-Trinity Alps 2286 Comment
  SBBG47340  Picea breweriana J. T. Howell, G. H. True 1972-6-8 Siskiyou S of summit on rd from Takilma to Happy Camp Comment
  UC1220341  Picea breweriana H. G. Baker 1963-7-5 Siskiyou around Blake's Fork Meadow (w of Russian Creek in the Saywer's Bar District, mostly on granite slopes); Saywer's Bar District, Blake's Fork Meadow 1676 Comment
  UCD133125  Picea breweriana D. Sanchez-Mata 1997-9-19 s.n. Siskiyou Klamath National Forest. Happy Camp-O'Brien. Indian Creek Road. Jefferson State Scenic Byway. 1470 Comment
  NY30477  Picea breweriana L. E. Berriman 1940-9-17 s.n. Siskiyou This specimen represents an endangered or threatened species. The specific locality has been removed from this record to protect this species from over-collection. These data may be supplied to researchers on request. Comment
  JEPS22770  Picea engelmannii B. C. Goldsmith 1930-9-3 Siskiyou on bank where road crosses French Creek (tributary to Scott Valley); Scott Valley, French Creek 1066 Comment
  CAS-BOT-BC73389  Pinus albicaulis Geo. B. Grant 1902-9-8 s.n. Siskiyou Horse Camp, Mt. Shasta 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
  POM215876  Pinus attenuata L. C. Wheeler 1935-4-14 3418 Siskiyou Siskiyou Mountains: West Fork Seiad Creek. (Mt. Diablo Mer.) 1159 Comment
  UC718127  Pinus attenuata Carl B. Wolf 1934-7-4 5929 Siskiyou Klamath River 0.3 mi below Walker Creek Klamath River 426 Comment
  CAS-BOT-BC73311  Pinus balfouriana Edna Kelsey 1961-8-1 s.n. Siskiyou Summit of Marble Mt., Marble Mts. Comment
  CAS-BOT-BC78404  Pinus balfouriana W. R. Dudley 1905-8-4 s.n. Siskiyou slope of Mt. Eddy Comment
  HSC1411  Pinus balfouriana R. J. Mastrogiuseppe 1967-7-21 Siskiyou Ridge above Yellow Rose and Dorleska Mine, Bulk Collection # 92 2058 Comment
  SBBG33719  Pinus balfouriana W. M. Plumb 1969-9-23 Siskiyou between Cory Pk and China Mtn 2133 Comment
  JEPS47960  Pinus contorta subsp. murrayana W. L. Jepson 1907-7-4 2813 Siskiyou e of Marble Mt.; Shackelford Canyon Comment
  CAS-BOT-BC78715  Pinus jeffreyi Peter H. Raven 1956-9-5 10460 Siskiyou North Fork of Sacramento River 1828 Comment
  UC401392  Pinus lambertiana Geo. D. Butler 1908-8-5 520 Siskiyou Cold Spring Woolly<?> Creek Comment
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Nov 25 2011
  HSC31520  Pinus lambertiana Steve Selva, Roger Jensen 1974-8-26 58 Siskiyou Along Rd. 8 to Sugar Creek trail, 4 mi. from Hwy. 3 Comment
  CAS-BOT-BC78956  Pinus monticola John Thomas Howell 1937-7-25 13469 Siskiyou Caribou Basin, Salmon-Trinity Alps 2286 Comment
  JEPS80554  Pinus monticola Gilbert Muth 1965-8-8 193 Siskiyou trail on backside Black Mountain; Marble Mt. Wilderness Area 1981 Comment
  JEPS64436  Piperia elongata W. L. Jepson 1894-7-1 21278 Siskiyou Sisson Comment
  UC1190184  Piperia transversa Ira L. Wiggins 1955-7-24 13483 Siskiyou between upper reaches of China and Blind Horse Creeks 1234 Comment
  UC166574  Piperia unalascensis Geo. D. Butler 1671 Siskiyou Comment
  RSA715802  Plagiobothrys bracteatus L. Ahart, John Dittes 2005-6-9 12035 Siskiyou About 3/5 mile (air) south of Highway 99/97 Cutoff, about 2 1/2 miles (air) east-southeast of Grenada. 775 Comment
  CAS-BOT-BC231002  Plagiobothrys hispidulus Alice Eastwood 1921-7-25 s.n. Siskiyou Near Pigrim Creek nursery Comment
  CDA40670  Plagiobothrys nothofulvus T. C. Fuller 1958-4-16 4816 Siskiyou Giebner property, 4 miles south of Yreka. 0 Comment
  POM72153  Plagiobothrys nothofulvus Geo. D. Butler 1910-5-6 1293 Siskiyou Near Yreka. Comment
  UC2012950  Platanthera hyperborea Barbara Ertter 1990-7-14 9343 Siskiyou Wagon Creek on E side of Mt Eddy, ca 4 air miles W of Mt. Shasta City, Comment
  UC164416  Platanthera leucostachys Geo. D. Butler 1909-6-22 884 Siskiyou Goosenest foothills Goosenest Comment
  RSA183692  Platanthera leucostachys Gilbert Muth 1965-8-4 168 Siskiyou Marble Mountains, Marble Valley Comment
  SJSU6500  Platanthera sparsiflora R. W. Trivelpiece 1972-6-15 115 Siskiyou Vann Creek near Bear Peak, SW of Happy Camp 1280 Comment
  POM128299  Plectritis macrocera subsp. grayi A. M. Alexander, Louise Kellogg 1911-6-13 124 Siskiyou 6 miles northwest Callahan. Comment
  UCR142785  Plectritis macrocera subsp. macrocera L. C. Wheeler 1935-6-1 3537 Siskiyou Siskiyou Mtns., Yreka Creek [at Lime Gulch confluence] 854 Comment
  JEPS69767  Pleuricospora fimbriolata W. B. and V. G. Cooke 1972-7-6 45463 Siskiyou Mount Shasta, Mud Creek Dam Road Mount Shasta; , Mud Creek Dam Road 1127 Comment
  CAS-BOT-BC261037  Poa Melissa A. Berry 1957-7-6 s.n. Siskiyou Heather Lake, near Salmon Mt. 2042 Comment
  CAS-BOT-BC261048  Poa Melissa A. Berry 1957-7-4 s.n. Siskiyou High CCC Road, south of Hwy 96, between Ridge and Humbug Roads 1371 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
  UCD80890  Poa Robert E. Preston 2001-6-23 1557 Siskiyou Klamath National Forest, n slope of Rainbow Mtn. 1767 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
  UCD90284  Poa annua A. A. Beetle; G. L. Stebbins Jr. 1942-6-1 3443 Siskiyou Near Happy Camp. Bank of Klamath River near habitations. Comment
  CAS-BOT-BC254778  Poa bolanderi John Thomas Howell 1937-7-22 13321 Siskiyou South Fork of Salmon River near Big Flat 1524 Comment
  UCD90539  Poa bolanderi Beecher Crampton 1956-8-21 3810 Siskiyou 15 to 16 miles southwest of city of Mount Shasta. Gumboot Lake, headwater of south fork of Sacramento River. 1920 Comment
  CAS-BOT-BC255002  Poa bulbosa Thomas Howell; T. C. Fuller; G. D. Barbe 1980-4-29 53429 Siskiyou E side of Scott Valley, 10 miles S of Fort Jones on road to Callahan 853 Comment
  SEINET7096765 Image available Poa bulbosa A. G. Vestal 1955-5-17 s.n. Siskiyou Scott Valley. 0.8 miles north of Etna on Route 3. NAD27 41? deg. 28' 13ao, -122?_ 53' 51ao (converted to WGS84 decimal degrees) UTM Zone 10, 508563mE, 4590750mN. Comment
  SEINET10817122  Poa compressa Paul M. Peterson, Jeffrey M. Saarela; Sears, Joe 2006-8-8 Peterson 19743 Siskiyou 6.5 mi SW of Etna on forest Service Rd IC-01 towards Etna Summit 1424 Comment
  RSA239030  Poa cusickii subsp. epilis Frederick W. Oettinger 1968-8-3 449 Siskiyou Slope between Upper English Lake and trail to English Peak and Hancock Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area 2165 Comment
  SEINET10660119  Poa gracillima A. Arthur Heller 1905-6-9 Heller 8007 Siskiyou Montague. Comment
  SEINET11683993  Poa howellii var. chandleri H. P. Chandler 1901-1 1703 Siskiyou near Marble Mountain, North Coast Ranges 1524 Comment
  RSA239032  Poa nervosa Frederick W. Oettinger 1969-9-4 1666 Siskiyou south side of Tobacco Lake; Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. Comment
  RSA578032  Poa nervosa L. C. Wheeler 1935-6-30 3629 Siskiyou Shasta Valley, 3 miles S of Grenada. 793 Comment
  HSC34093  Poa pratensis J. O. Sawyer 1969-7-18 1433 Siskiyou SW facing slope above Deacon Lee Trail 2195 Comment
  SEINET10717135  Poa pratensis Paul M. Peterson 2006-8-9 Peterson 19764 Siskiyou E. Side of Taylor Lake, Russian Wilderness. Edge of woods, with Veratrum viride, Pteridium aquilinum, Alnus, Abies, Aconitum columbianum, Rumex acetosells, Solidago, Phleum alpinum, Danthonia, Deschampsia and Juncus. 1979 Comment
  UCD91929  Poa pratensis A. H. Murphy 1953-7-29 KNF 11 Siskiyou Steavale Canyon. Klamath National Forest. 1524 Comment
  UCD91938  Poa pratensis A. H. Murphy 1956-8-16 56 P Siskiyou Big Marshy Meadows. Klamath National Forest. 1981 Comment
  UC1535350  Poa pratensis subsp. pratensis W. J. Ferlatte 1987-5-22 2106 Siskiyou between Siskiyou Blvd and S.P.R.R. Grenada (2 mi s of intersection of Hwy A-12 and Siskiyou Blvd, 10-30' s of Truttman Lane); Yreka Quadrangle 783 Comment
  CAS-BOT-BC247526  Poa pringlei Elmer I. Applegate 1923-8-18 3861 Siskiyou Top of Redshale Mountain, Medicine Lake region Comment
  SEINET10659378  Poa scabrella A. Arthur Heller 1919-6-29 Heller 13402 Siskiyou Near Wagon creek falls, east side of Mt. Eddy in swampy places, the trees Pinus Jeffreyi and P. monticola, the shrubs Salix and Alnus. Comment
  CAS-BOT-BC237711  Poa secunda John Thomas Howell 1937-7-29 13620 Siskiyou Scott Mountain between Siskiyou and Trinity counties Comment
  UCD91676  Poa secunda A. A. Heller 1921-7-17 13579 Siskiyou Toward the head of Wagon Creek, Mt. Eddy. 2286 Comment
  HSC102706  Poa secunda subsp. juncifolia J. P. Smith 2013-6-17 13739 Siskiyou Off Tennant Road at a large, open pit. 1417 Comment
  UCD148981  Poa secunda subsp. juncifolia G. Douglas Barbe; T. C. Fuller, J. T. Howell 1980-4-28 2587 Siskiyou between Old Highway 99 and railroad at Truttman Lane, 2.3 km south of Grenada. 800 Comment
  CAS-BOT-BC243217  Poa secunda subsp. secunda John Thomas Howell 1934-7-4 s.n. Siskiyou SE corner of county Comment
  CAS-BOT-BC243220  Poa secunda subsp. secunda Roxana S. Ferris; Laura Lorraine 1948-6-12 11719 Siskiyou Schoolhouse Hill, Plowman's Valley [Noyes Valley], E fork of Scott River Comment
  CAS-BOT-BC243229  Poa secunda subsp. secunda L. E. Smith 1915-6-1 s.n. Siskiyou Yreka Comment
  CAS-BOT-BC243233  Poa secunda subsp. secunda A. A. Heller 1919-6-25 13266 Siskiyou Compton's prairie, N base of Mount Eddy 1158 Comment
  CAS-BOT-BC243238  Poa secunda subsp. secunda John Thomas Howell; T. C. Fuller; G. D. Barbe 1980-4-29 53443 Siskiyou 7 miles E of Callahan on road to Gazelle 1173 Comment
  HSC101468  Poa secunda subsp. secunda J. P. Smith, J. O. Sawyer, R. J. Cole 2010-7-11 13000 Siskiyou Along Gazelle-Callahan Road. Klamath National Forest 1708 Comment
  HSC63243  Poa secunda subsp. secunda M. A. Baker 1979-7-30 1072 Siskiyou E facing rock slope. 2200 Comment
  CAS-BOT-BC243234  Poa secunda subsp. secunda W. R. Dudley 1901-8-23 s.n. Siskiyou Foxtail Ridge, Salmon Mountains, Siskiyou Mountains Comment
  CAS-BOT-BC244179  Poa trivialis Roxana S. Ferris; Laura Lorraine 1948-6-12 11747 Siskiyou French Creek Logging Road W of Callahan 1219 Comment
  RSA184627  Polemonium californicum Clare B. Hardham 1965-8-20 13035 Siskiyou Marble Mountains. Cudahy Lakes. 1524 Comment
  UC164137  Polemonium carneum Geo. D. Butler 1910-5-15 1344 Siskiyou McAdams Creek Comment
  HSC45816  Polemonium pulcherrimum J. P. Smith, J. O. Sawyer 1972-6-30 5642 Siskiyou Ridge W of Little Duck Lake. 2378 Comment
  POM301665  Polemonium pulcherrimum Marion Ownbey, Fred G. Meyer 1940-7-4 2186 Siskiyou On ridge above head of Brewer Creek, east side of Mt. Shasta. Comment
  JEPS60240  Polyctenium fremontii L. R. Heckard with L. Constance and R. Ornduff 1969-6-24 2300 Siskiyou on U.S. Highway 97 0.8 mi s Bray junction; Murphy Wells, s of Bray junction 1493 Comment
  CHSC48339  Polyctenium fremontii var. fremontii Vernon Oswald 1986-5-29 2073 Siskiyou Hwy 97 between Grass Lake and Hebron Summit, 26.9 mi ne of Weed. 1432 Comment
  HSC4426  Polygala cornuta William J. Ferlatte 1966-8-4 321 Siskiyou Big Flat, wooded area near public camp 1524 Comment
  CAS-BOT-BC170337  Polygala cornuta var. cornuta G. B. Grant 1902-9-6 1024 Siskiyou Sisson, N. Cal. 1127 Comment
  CAS-BOT-BC170343  Polygala cornuta var. cornuta Marion Ownbey; Fred G. Meyer 1940-7-3 2164 Siskiyou 7 miles northwest of McCloud Comment
  CAS-BOT-BC170344  Polygala cornuta var. cornuta Annetta Carter 1939-8-20 1456 Siskiyou 5.5 miles north of Dunsmuir 1005 Comment
  UC630386  Polygala cornuta var. cornuta Annetta Carter 1939-8-20 1456 Siskiyou 5.5 mi n Dunsmuir 1005 Comment
  RSA170306  Polygonum cuspidatum T. C. Fuller 1963-8-26 11152 Siskiyou Dunsmuir Grade, Hwy 99 to Mt. Shasta City, 0.5 miles N of the limits of Dunsmuir, siskiyou. Comment
  UC168611  Polygonum davisiae J. W. Congdon 1900-8-13 Siskiyou Shasta Comment
  SEINET3160402  Polygonum davisiae M. S. Baker sn Siskiyou Mt. Shasta; Ash Creek above Warren & Anderson's Mill Comment
  UC454081  Polygonum davisiae I. J. Condit 1909-8-23 Siskiyou Castle Lake Sisson 2133 Comment
  HSC58967  Polygonum douglasii G. L. Clifton 1975-7-28 5156 Siskiyou Near Cook and Green Pass 1646 Comment
  HSC708  Polygonum douglasii William J. Ferlatte 1967-8-19 1036 Siskiyou South Fork of Salmon River, between campground and Carter's. 1524 Comment
  HSC92997  Polygonum douglasii Jennifer Whipple 1978-10-6 2420 Siskiyou Dale Creek drainage on the N face of Mt. Eddy 2195 Comment
  RSA756974  Polygonum douglasii Barbara J. Ertter 1990-7-14 93101 Siskiyou East side of Mount Eddy about 4 air miles due west of Mount Shasta City, at streamlet near end of Forest Road 41N53, about 1 mile north of Morgan Meadows. 1677 Comment
  JEPS49633  Polygonum douglasii subsp. douglasii Louis C. Wheeler 1935-7-26 3700 Siskiyou Jaynes Canyon Siskiyou Mts. 1950 Comment
  JEPS51298  Polygonum douglasii subsp. douglasii Willis L. Jepson Jul 24 1894-Aug 10 1894 Siskiyou near Mt. Shasta; Region of the Upper Sacramento, Sisson Comment
  JEPS105049  Polygonum douglasii subsp. johnstonii Dean W. Taylor 1996-7-11 15787 Siskiyou Scott Mountains; ridge dividing West Fork Parks Creek drainage from Willow Creek drainage (about 15 air miles west of Weed & 3 air miles west of Stewart Springs); Shasta-Trinity National Forest 1828 Comment
  CHSC71313  Polygonum douglasii subsp. majus Vernon H. Oswald; Lowell Ahart 1998-6-11 9187 Siskiyou Shasta NF plantation on the west side of Hwy. 97 2.2 mi northeast of Lake Shastina-Big Springs Rd., northeast of Weed. 1066 Comment
  RSA96964  Polygonum douglasii subsp. spergulariiforme Percy C. Everett, E. K. Balls 1954-10-13 20278 Siskiyou Chiefly along roadside, Seiad Creek, road to Kangaroo Mt, 6.7 miles NE from Hwy 96. 701 Comment
  CAS-BOT-BC418595  Polygonum minimum John Thomas Howell 1939-8-2 14862 Siskiyou Spirit Lake, Marble Mts. 1828 Comment
  CAS-BOT-BC418591  Polygonum minimum Doris K. Kildale 1930-8-24 9051 a Siskiyou Rattlesnake Meadow, trail to Preston Peak 1676 Comment
  SEINET3399369 Image available Polygonum minimum Joseph P. Tracy 1935-8-7 14618 Siskiyou Devil's Canyon Mts, at head of White Creek Comment
  UC1059020  Polygonum polygaloides subsp. kelloggii A. H. Murphy 1956-8-16 56 M Siskiyou Klamath N. F. 1981 Comment
  UCD100665  Polygonum sawatchense subsp. sawatchense J. M. Tucker; L. K. Mann 1963-8-17 3742 Siskiyou Beside trail from Red Rock Valley to top of ridge to the south, Marble Mountain Wilderness Area. 1859 Comment
  UC1188085  Polygonum shastense Philip A. Munz 1960-8-22 24182 Siskiyou Panther Meadows Mt. Shasta 2529 Comment
  HSC46074  Polypodium californicum J. P. Smith, Steve Selva 1970-6-14 3877 Siskiyou Road to Steinacher Creek near Somes Bar. Comment
  HSC68533  Polypodium californicum Maralyn A. Renner 1980-6-25 1095 Siskiyou Little South Fork Indian Creek, W Fork 1220 Comment
  RSA237504  Polystichum imbricans Frederick W. Oettinger 1969-7-29 1106 Siskiyou On the base of the southern facing slope just north of Uncle's Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1860 Comment
  RSA237505  Polystichum imbricans Frederick W. Oettinger 1616 a Siskiyou The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area., On a west facing granitic rock slope just below that section of the English Peak - Hancock Lake trail that is due NNE of Ton's Lake. 2119 Comment
  CHSC63313  Polystichum lemmonii Vernon H. Oswald; Lowell Ahart 1994-7-11 6404 Siskiyou Gumboot Lake Rd. (40N37) just S of Forest Rd, 26 ( to Mt. Shasta), W of Dunsmuir. 1777 Comment
  JEPS33243  Polystichum lemmonii unknown 1878-7-19 Siskiyou near Mt. Shasta Comment
  POM22933  Polystichum lemmonii E. B. Copeland 1903-8-18 3813 Siskiyou Mount Eddy 1677 Comment
  RSA693361  Polystichum lemmonii L. C. Wheeler 1934-8-14 3137 Siskiyou North side White Mt. About rocks, dry north slope. 1768 Comment
  UC336670  Polystichum lemmonii unknown Siskiyou Mt. Eddy near Shasta Mt. Mt. Eddy Comment
  UC909350  Polystichum lemmonii Ira L. Wiggins 1950-5-28 12378 Siskiyou ridge just above Grouse Lake (headwaters of Grouse Creek) 1828 Comment
  CAS-BOT-BC76716  Polystichum lemmonii Galen Clarke s.n. Siskiyou Unspecified Comment
  POM120353  Polystichum lemmonii Geo D. Butler 1910-7-12 1757 Siskiyou Shackleford Creek 1372 Comment
  POM120881  Polystichum lemmonii J. G. Lemmon s.n. Siskiyou Scott Mt. under Pinus Balfouriana Comment
  RSA259549  Polystichum lemmonii J. P. Smith, J. O. Sawyer 1973-8-14 7308 Siskiyou On trail from Campbell Lake to Cliff Lake. 1828 Comment
  SBBG19505  Polystichum lonchitis L. L. Kiefer 1963-8-9 732 Siskiyou Castle Lake, rocks at S end of lake 2133 Comment
  UC1408838  Polystichum lonchitis Frederick W. Oettinger 1968-8-6 421 Siskiyou w slope on se corner of Hancock Lake; Salmon Mts, High Lake Basins, English Peak vicinity, Marble 1950 Comment
  CAS-BOT-BC72511  Polystichum scopulinum Louis C. Wheeler 1934-8-6 3059 Siskiyou Klamath National Forest, Rock Gulch 1828 Comment
  CAS-BOT-BC72514  Polystichum scopulinum Louis C. Wheeler 1934-8-6 3059 Siskiyou Rock Gulch off Jaynes Canyon, Siskiyou Mts. 1828 Comment
  JEPS83822  Polystichum scopulinum Wayne Roderick July 1976 Siskiyou vicinity of Cook and Green Pass (near Lily Pad Lake); Siskiyou Mts. 1828 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
  POM210965  Polystichum scopulinum L. C. Wheeler 1934-8-13 3113 Siskiyou East Fork Horse Creek, Siskiyou Mountains 1982 Comment
  CAS-BOT-BC102953  Populus trichocarpa John Thomas Howell; T. C. Fuller; G. D. Barbe 1980-4-29 53413 Siskiyou Oro Fino 853 Comment
  CAS-BOT-BC102954  Populus trichocarpa Gilbert Muth 1966-7-19 421 Siskiyou Marble Gap Trail, along 1st bluff, Marble Mts. 1828 Comment
  CAS-BOT-BC102958  Populus trichocarpa W. B. C. 1939-8-10 13855 Siskiyou in the upper portion of Mud Creek Canyon 1828 Comment
  JEPS94388  Porterella carnosula Vernon Oswald and Lowell Ahart 1997-7-28 8806 Siskiyou 10.9 mi n of Highway 89 (on the e side of Forest Route 15); Forest Route 15 1383 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
  UC163719  Portulaca oleracea Geo. D. Butler 1908-7-15 1061 Siskiyou near Yreka Comment
  HSC43152  Portulaca oleracea Ken Stillman 1976-8-24 428 Siskiyou Along the Klamath River at Williams Point 366 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
  UC1023838  Potamogeton pectinatus Douglas Barbe 1955-6-29 51 Siskiyou 4.1 mi se of Etna (on the Eastside Road, Klamath Mountains); Klamath Mountains 914 Comment
  SEINET3893295  Potamogeton richardsonii Louis C. Wheeler 1958-8-21 7414 Siskiyou Siskiyou Mountains. Lily Pad Lake, head West Fork Seiad Creek.; 0 Comment
  RSA602928  Potamogeton richardsonii L. C. Wheeler 1958-8-21 7414 Siskiyou Siskiyou Mountains. Lily Pad Lake, head West Fork Seiad Creek. Comment
  RSA236430  Potamogeton robbinsii G. L. Clifton 1972-7-28 1960 Siskiyou Hooligan Lake 1585 Comment
  UC164067  Potentilla breweri Geo. D. Butler 1910-6-5 1520 Siskiyou Log Lake Comment
  CAS-BOT-BC142033  Potentilla drummondii John Thomas Howell 1939-8-2 14906 Siskiyou Spirit Lake, Marble Mts. 1828 Comment
  CAS-BOT-BC142034  Potentilla drummondii Harley P. Chandler 1901-6-1 1564 Siskiyou Ridges and meadows naer Marble Mountain 1828 Comment
  HSC37144  Potentilla drummondii A. M. Montalvo, J. D. Ackerman 1974-7-2 346 Siskiyou E slope of Mt. Eddy, near Morgan Meadows, W of Mt Shasta City. Comment
  CAS-BOT-BC143261  Potentilla flabellifolia John Thomas Howell 1939-8-10 15269 Siskiyou Sky High Valley, Marble Mts. 1828 Comment
  SJSU6532  Potentilla flabellifolia R. W. Trivelpiece 1973-6-21 148 Siskiyou Big Duck L, Scott R drainage c. 7.5 mi W of Callahan 2042 Comment
  JEPS44224  Potentilla gracilis W. L. Jepson Jul 20 1894-Aug 3 1894 102 p Siskiyou Sisson Comment
  RSA105464  Potentilla gracilis var. flabelliformis M. S. Baker 1955-6-26 13085 Siskiyou Shasta Valley, between Weed and Gazella. 915 Comment
  UC639592  Potentilla millefolia Henry Fitch April, 1933 Siskiyou 5 mi s Shasta Valley (Yreka); s of Shasta Valley, Yreka Comment
  CAS-BOT-BC516386  Prosartes hookeri Doris K. Kildale 1929-8-24 9078 Siskiyou Rattlesnake Meadow, trail to Preston Peak Comment
  HSC69092  Prunella vulgaris Maralyn A. Renner 1980-8-4 2225 Siskiyou Flint Valley 1390 Comment
  RSA105423  Prunella vulgaris var. lanceolata G. D. Barbe 1955-6-29 40 Siskiyou 1.8 miles E of Callahan, S bank of Scott River 976 Comment
  RSA238553  Prunella vulgaris var. lanceolata Frederick W. Oettinger 1969-8-18 1422 Siskiyou Local population in wet meadow near spring hole just west of the Horse Range Lake outlet. Salmon Mtns. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1822 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
  CAS-BOT-BC158206  Prunus emarginata V. B. Whitehead 1963-7-5 s.n. Siskiyou McBride Springs (3 mi. nne. of Mt. Shasta City) 1371 Comment
  HSC25760  Prunus emarginata D. H. Norris, Thomas W. Nelson, S. Dowty 1971-6-23 19532 Siskiyou Snowman's Hill Summit 3 mi. W of McCloud on Hwy. 89 Comment
  LA208061  Prunus emarginata W. B. C.; 1938-6-17 11061 Siskiyou Mount Shasta, along the Sisson Southern Trail 1371 Comment
  UCSB12914  Prunus emarginata Breedlove, Dennis 1962-6-11 Siskiyou Along State Highway 89, 8.0 miles east of McCloud; Cascade Mountains 1127 Comment
  HSC100863  Prunus subcordata J. P. Smith, J. O. Sawyer 2010-5-6 12815 Siskiyou Along Road 9KO2, N of Irongate Reservoir. 755 Comment
  POM88254  Prunus subcordata Geo. D. Butler 1909-4-14 644 Siskiyou Humbug divide. Comment
  CAS-BOT-BC151237  Prunus virginiana var. demissa John Thomas Howell 1934-7-4 12407 Siskiyou Se. corner of Siskiyou Co. Comment
  CAS-BOT-BC151243  Prunus virginiana var. demissa Elmer I. Applegate 1935-6-10 9483 Siskiyou Caldwell Butte, Lave Beds National Monument Comment
  CAS-BOT-BC151244  Prunus virginiana var. demissa Elmer I. Applegate 1935-6-5 9305 Siskiyou Capt. Jack's Stronghold, Lava Beds National Monument Comment
  CAS-BOT-BC151248  Prunus virginiana var. demissa C. B. Wolf 1931-9-2 2389 Siskiyou Near Fish Hatchery at Mt. Shasta City (Sisson) along edge of ditch. 1066 Comment
  JEPS80524  Prunus virginiana var. demissa Gilbert Muth 1966-7-17 411 Siskiyou Marble, s of camp, Marble Mountain Wilderness Area Marble Mountain Wilderness Area; Marble, Marble Mountain Wilderness Area 1792 Comment
  RSA184747  Prunus virginiana var. demissa Gilbert Muth 1966-7-17 411 Siskiyou Marble S of camp. Marble Mtns. 1793 Comment
  UC1281136  Prunus virginiana var. demissa H. E. McMinn 1931-6-27 2524 Siskiyou near Gottville River (Klamath); Klamath Comment
  UCR93371  Prunus virginiana var. demissa Kathy Harper, Dane Karr 1994-6-16 s.n. Siskiyou Modoc National Forest; Forest Route 49 (Lava Beds/ Medicine Lake Rd.) within 1 mi. of southern boundary of Lava Beds National Monument 1555 Comment
  UC618634  Pseudognaphalium thermale unknown 1938-8-5 11452 Siskiyou near MacBride Spring; Mount Shasta 1524 Comment
  CAS-BOT-BC239812  Pseudoroegneria spicata Dr. E. B. Copeland 1903-7-4 3540 Siskiyou Klamathon Comment
  CAS-BOT-BC94427  Pseudostellaria jamesiana R. C. Wenk 2005-7-16 257 Siskiyou Trinity Alps, South Fork of the Salmon River. South end of Big Flat Meadow 1499 Comment
  CAS-BOT-BC80177  Pseudotsuga menziesii Doris K. Kildale 1927-11-20 4178 Siskiyou Fort Jones Comment
  UC401304  Pseudotsuga menziesii var. menziesii Geo. D. Butler 1909-4-25 1096 Siskiyou Quartz Valley Comment
  HSC73297  Pteridium aquilinum var. pubescens M. A. Baker 1980-6-20 2194 Siskiyou Near Bald Mtn. 1036 Comment
  JEPS82420  Pteridium aquilinum var. pubescens Gilbert Muth 1966-8-1 486 Siskiyou Marble Valley horse pasture Marble Valley; Marble Mt Wilderness Area 1792 Comment
  HSC92199  Pterospora andromedea Jennifer Whipple 1976-9-3 1766 Siskiyou Wagon Creek drainage on the E face of Mount Eddy 2256 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
  RSA605983  Purshia tridentata var. tridentata Louis C. Wheeler 1935-6-13 3571 Siskiyou Mill Creek. Quartz Valley. 945 Comment
  UC1128525  Purshia tridentata var. tridentata R. D. Roseberry 1936-5-15 Siskiyou 0.5 mi e Coldwell Butte; Modoc Lava Beds National Monument, Dorris Quad. 1371 Comment
  UCSB12915  Purshia tridentata var. tridentata Breedlove, Dennis 1962-6-11 Siskiyou Along State Highway 89, 8.0 miles east of McCloud; Cascade Range 1127 Comment
  HSC67488  Pyrola aphylla J. P. Smith, Steve Selva 1970-6-14 3882 Siskiyou Road to Steinacher Creek near Somes Bar. Comment
  SEINET8404856  Pyrola aphylla L. E. Detling 1947-6-3 6047 Siskiyou Happy Camp, Klamath Nat'l. Forest. 335 Comment
  POM77545  Pyrola californica Geo D. Butler 1910-7-9 1698 Siskiyou Shackleford Creek. 1220 Comment
  RSA0080538  Pyrola crypta Frederick W. Oettinger 1966-8-7 48 Siskiyou The Salmon Mountains. The High Lake Basins in the vicinity of English peak. Marble Mountain Wilderness Area. Comment
  CAS-BOT-BC462543  Pyrola dentata Elizabeth McClintock; Wayne Roderick; Martha Roderick 1967-7-29 s.n. Siskiyou Near Cedar Lake, Trinity Mts. 1828 Comment
  HSC18921  Pyrola minor J. O. Sawyer 1969-8-1 1610 Siskiyou Behind Horseshoe Lake 1921 Comment
  SEINET8205865  Pyrola picta R. Waring 1964-8-26 555 Siskiyou Red Butte, on southern boundary of Rogue River Nat'l Forest. 1737 Comment
  CAS-BOT-BC362268  Pyrrocoma carthamoides var. cusickii J. D. Jokerst 1981-8-18 1462 Siskiyou East side of USFS logging road between road and canyon bottom 1249 Comment
  POM52309  Pyrrocoma racemosa var. paniculata Geo D. Butler 1910-8-21 1843 Siskiyou Shasta Valley Comment
  HSC72275  Pyrrocoma racemosa var. pinetorum J. P. Smith, J. O. Sawyer, Jane Sawyer, Kevin Sawyer 1976-9-5 8967 Siskiyou Hwy 3, 2.5 mi. N of Siskiyou-Trinity County line Comment
  CAS-BOT-BC68645  Quercus chrysolepis John Thomas Howell 1937-7-26 13543 Siskiyou Caribou Gulch Comment
  RSA573417  Quercus chrysolepis Louis C. Wheeler 1934-9-4 3242 Siskiyou Bear Creek off West Fork Beaver Creek. 1372 Comment
  UC164395  Quercus chrysolepis Geo. D. Butler 1908-8-11 231 Siskiyou Shackleford Creek Comment
  UCD40474  Quercus chrysolepis Rodney Gale Myatt 1971-9-22 1225 -8 Siskiyou Hamburg. 490 Comment
  CAS-BOT-BC94653  Quercus garryana W. R. Dudley 1901-8-26 s.n. Siskiyou W of Willow Creek Slope, Salmon Mountains Comment
  SEINET10477171  Quercus garryana K. Faber, S. LaChance; M. Rekart 1984-5-26 Faber 53 Siskiyou Indian scotty campground, t44n,r11w,sec.26. Disturbed area, 15-20% slopr, Northern oak woodland with quercus 701 Comment
  CAS-BOT-BC62755  Quercus garryana var. breweri John Thomas Howell 1934-7-4 12384 Siskiyou Lava flow between Timbered Crater and Little Hot Springs Valley Comment
  HSC74869  Quercus garryana var. breweri J. P. Smith, Jennifer Whipple 1978-7-2 9989 Siskiyou Trail from Cook and Green Pass to Copper Butte. 1768 Comment
  RSA237814  Quercus garryana var. breweri Frederick W. Oettinger 1969-8-24 1540 Siskiyou Growing just SW of the brook on the W side of English Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1753 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
  UCSB1175  Quercus garryana var. breweri Muller, Cornelius 1954-6-23 Siskiyou Summit, 3.5 mi. S of Oregon line, on road to Happy Camp, Siskiyou Mtns.; Del Norte-Siskiyou Co. line Comment
  UCR37560  Quercus garryana var. garryana K. B. Barrows, C. G. Phillips, L. Cole, S. A. Haultain 1984-5-27 108 Siskiyou Scott River Road, 10.6 mi. north of Indian Scotty Campground 610 Comment
  CAS-BOT-BC105102  Quercus kelloggii Copeland 1933-7-14 3521 Siskiyou Klamathon Comment
  CAS-BOT-BC104352  Quercus sadleriana Doris K. Kildale 1928-8-20 6586 Siskiyou Lily Pad Lake near Hancock Lookout on trail to Marble Mt. Comment
  CHSC91794  Quercus sadleriana G. F. Hrusa 2001-6-6 15853 Siskiyou Siskiyou Mountains. Nr. summit of pass betw. Happy Camp, CA and O'Brien, Oregon at turnoff to Bolan Lake, at Oregon border. Roadside. UTM: 10T, 4649821 N, 0456023 E. 1424 Comment
  LA86551  Quercus sadleriana Sandra L. Holloway; 1963-10-12 77 Siskiyou Marble Mountain Wilderness Area, junction Red Rock Valley trail and Canyon Creek trail 1341 Comment
  POM258373  Quercus sadleriana C. L. Hitchcock, J. S. Martin 1939-7-6 5221 Siskiyou On Takilma-Happy camp road. 1677 Comment
  RSA758222  Quercus sadleriana Robert F. Thorne 1969-8-2 63325 Siskiyou Klamath National Forest, Salmon Mountains, Marble Mountain Wilderness Area, high lake basins in the vicinity of English Peak Comment
  SBBG25325  Quercus sadleriana S. L. Holloway 1963-10-12 77 Siskiyou jct Red Rock Valley trail and Cyn Crk trail; Marble Mtn Wilderness 1341 Comment
  SFV17490  Quercus sadleriana P. Wilson 1998-7-25 3548 Siskiyou Bear Creek just before entering Marble Mountain Wilderness. 1200 Comment
  UCD14456  Quercus sadleriana Dean W. Taylor 1972-7-1 1567 Siskiyou California, Siskiyou Co.; 0.5 mi. east of Cook and Green Pass; T 47N, R 11W, Sect. 8, NE quarter of NE quarter; 1371 Comment
  CAS-BOT-BC104618  Quercus vacciniifolia Doris K. Kildale 1929-8-24 9079 Siskiyou Rattlesnake meadow, near Preston Peak 1524 Comment
  CAS-BOT-BC104622  Quercus vacciniifolia Doris K. Kildale 1929-8-24 8835 Siskiyou Preston Peak 2225 Comment
  CAS-BOT-BC104637  Quercus vacciniifolia W. R. Dudley 1899-8-22 s.n. Siskiyou Near Spring - Craggy Mt. Comment
  CAS-BOT-BC104643  Quercus vacciniifolia Edward Lee 1934-8-13 1066 Siskiyou Happy Camp to Waldo (Oregon) road, watershed of West Branch of Indian Creek, Klamath National Forest Comment
  CAS-BOT-BC104644  Quercus vacciniifolia Edward Lee 1934-8-13 1066 Siskiyou Happy Camp to Waldo (Oregon) road, watershed of West Branch of Indian Creek, Klamath National Forest Comment
  HSC69524  Quercus vacciniifolia Maralyn A. Renner 1980-6-26 1284 Siskiyou Klamath National Forest, ridge along FS Rd. 15N01, 1 mi. N of Flint Valley. 1494 Comment
  HSC74930  Quercus vacciniifolia J. P. Smith, Jennifer Whipple 1978-7-2 9975 Siskiyou Trail from Cook and Green Pass to Copper Butte. 1768 Comment
  OBI69127  Quercus vacciniifolia Dieter H. Wilken, E. Painter 2000-8-10 15856 Siskiyou Just S of Del Norte and Josephine (OR) county lines, NNE of Little Grayback, near head of Indian creek. O'Brien-Happy camp road 1500 Comment
  UC1040687  Quercus vacciniifolia Beecher Crampton 1956-8-21 3847 Siskiyou just above junction of the North Fork with the South and Middle Fork; Canyon of the Sacramento River 1066 Comment
  UC1045205  Quercus vacciniifolia unknown 1940-6-5 15044 Siskiyou along the Castle Lake Road Comment
  UC142567  Quercus vacciniifolia Dr. E. B. Copeland 1903-8-17 3930 Siskiyou Mt. Eddy 1432 Comment
  SEINET12029702  Quercus vacciniifolia Unknown 1983-1 4889 Siskiyou Terrace Lake 1898 Comment
  UC1565730  Raillardella argentea W. J. Ferlatte 1980-8-30 2027 Siskiyou ca 0.75 mi s China Mountain (ca 100 yds n of trail); Houston Creek Divide 2316 Comment
  SEINET11805954  Raillardella pringlei C. G. Pringle 1882-1 s.n. Siskiyou head of Sacramento River Comment
  CAS-BOT-BC186688  Ranunculus Gilbert Muth 1966-7-8 355 Siskiyou Marble Valley, Marble Mts. 1792 Comment
  CAS-BOT-BC380413  Ranunculus alismifolius var. hartwegii Alice Eastwood 1921-7-28 10927 Siskiyou Medicine Lake Comment
  CAS-BOT-BC380414  Ranunculus alismifolius var. hartwegii Frank W. Gould 1940-5-14 1225 Siskiyou Bull Meadows 11 mi west of Highway US 97 on road to Montague 1676 Comment
  RSA534580  Ranunculus flammula var. ovalis Peter Rubtzoff 1955-7-10 1947 Siskiyou Duncans Mills Marsh Comment
  SEINET3160969  Ranunculus flammula var. reptans G. D. Butler 1910-7-12 1741 Siskiyou Shackleford Creek 1219 Comment
  POM268378  Ranunculus occidentalis var. eisenii Frank W. Gould 1940-5-15 s.n. Siskiyou Bald Mtn on road from Mt. Hebron to Montague 1677 Comment
  CAS-BOT-BC56110  Rhamnus ilicifolia Carl B. Wolf 1927-8-26 1031 Siskiyou On the Klamath River, 5 mi. below Hornbrook Comment
  SJSU6535  Rhodiola integrifolia subsp. integrifolia R. W. Trivelpiece 1973-6-30 162 Siskiyou Big Duck L, Scott R drainage c. 7.5 mi W of Callahan 2042 Comment
  CAS-BOT-BC56660  Rhododendron occidentale J. H. Thomas 1949-6-16 958 Siskiyou Between Fort Jones and Etna Comment
  HSC68401  Rhododendron occidentale var. paludosum Maralyn A. Renner 1980-7-4 1453 Siskiyou Clear Creek Trail, N of Trout Camp 1037 Comment
  CHSC57405  Rhus aromatica L. P. Janeway 1984-4-21 859 Siskiyou Garvey Bar, south side Klamath River just east of Humbug Point. On flat above river. 594 Comment
  UC1045240  Rhus trilobata W. Bridge Cooke 1940-6-4 15010 Siskiyou Shasta Valley Mount Shasta (along the Bolam road) 1219 Comment
  UC1608351  Rhus trilobata J. Kierstead 1991-4-23 91 -1 Siskiyou 2 mi sw of Haystack Rock (n side of Mt. Shasta, n of Hwy. 97); Mt Shasta Comment
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Jun 1 2007
  JEPS105133  Ribes binominatum Dean W. Taylor 1996-7-7 15805 Siskiyou Salmon Mountains; Ruffey Lakes (about 8 air miles southwest of Etna), in cirque above the upper lake; Klamath National Forest 2072 Comment
  RSA459479  Ribes bracteosum M. B. Dunkle 1944-7-15 9116 Siskiyou Tree Creek. 1829 Comment
  CAS-BOT-BC108780  Ribes cereum Carl B. Wolf 1941-7-26 11075 Siskiyou Southwest end of Little Shasta Valley, 12 miles northeast Weed on U.S. Highway #97 at junction with road to Montague. 883 Comment
  SBBG15096  Ribes cereum J. Major 1961-7-14 635 Siskiyou Panther Crk, Mount Shasta 1790 Comment
  UC1037214  Ribes cereum Leo Whitney 1934-6-17 1577 Siskiyou Canyon side Mount Shasta 2438 Comment
  RSA0023967  Ribes indecorum Marcus E. Jones 1931-7-17 s.n. Siskiyou Shasta City (Session s). Comment
  RSA0021108  Ribes lacustre Roxana S. Ferris, Laura Lorraine 1948-6-12 11752 Siskiyou French Creek logging road west of Callahan. 1067 Comment
  CAS-BOT-BC173379  Ribes lobbii C. H. M. 1916-9-8 s.n. Siskiyou Black Butte, Calif. Nat'l. Forest Comment
  CAS-BOT-BC173391  Ribes lobbii W. R. Dudley 1899-8-22 s.n. Siskiyou Side of Craggy Peak 1828 Comment
  UC375354  Ribes lobbii Geo. D. Butler 1908-7-19 267 Siskiyou Humbug Creek Comment
  HSC40049  Ribes marshallii J. O. Sawyer 1970-7-4 2323 Siskiyou At Cedar Flat Cabin 1402 Comment
  JEPS49284  Ribes nevadense Willis L. Jepson 1894-8-4 13520 Siskiyou half-way up from Cedar Spring to Horse-Camp; Mt. Shasta Comment
  SEINET3151815  Ribes nevadense G. D. Butler 1910-7-12 1759 Siskiyou Shackleford Creek 1372 Comment
  RSA0023154  Ribes nevadense var. glaucescens P. A. Munz 1952-7-2 17893 Siskiyou Rd. to Baldy Mt. NW of Happy Camp, Siskiyou Mts. 1524 Comment
  UC1096802  Ribes roezlii H. K. Wagnon and Douglas Barbe 1957-6-16 13127 Siskiyou Scott Mts. Klamath Mountains 1920 Comment
  CAS-BOT-BC200007  Ribes roezlii var. cruentum Doris K. Kildale 1929-7-20 8543 Siskiyou South Fork of Indian Creek near Gilmores Comment
  RSA0024596  Ribes roezlii var. cruentum Louis C. Wheeler 1934-6-28 2815 Siskiyou Little Soda Creek, Sterling Mt., Siskiyou Mts. 1067 Comment
  CAS-BOT-BC186288  Ribes roezlii var. roezlii A. A. Heller 1915-7-15 12078 Siskiyou Mt. Eddy 2072 Comment
  HSC42901  Ribes sanguineum J. O. Sawyer, Ken Stillman 1976-5-29 2731 Siskiyou Junction of Specimen Creek and Little N Fork of the Salmon River 732 Comment
  UC796523 Image available Ribes sanguineum Roxana S. Ferris and Laura Lorraine Jun 12 1948-Jun 16 1948 11775 Siskiyou about 5.5 mi from Etna (on Forks of Salmon Road) Comment
  CAS-BOT-BC144520  Ribes sanguineum var. sanguineum T. H. Harris 1951-6-1 s.n. Siskiyou Indian Creek Basin, Happy Camp 1524 Comment
  RSA605519  Ribes sanguineum var. sanguineum Louis C. Wheeler 1959-7-19 7584 Siskiyou Salmon and Marble Mountains Region: Black Bear Creek, between Sawyers Bar & Cecilville. 1372 Comment
  CAS-BOT-BC173900  Ribes velutinum Elmer I. Applegate 1935-6-5 9328 Siskiyou Modoc Stronghold, Lava Beds National Monument Comment
  CAS-BOT-BC173909  Ribes velutinum Alice Eastwood; John Thomas Howell 1934-4-20 1758 Siskiyou Near Yreka along Shasta River Comment
  JEPS49256  Ribes velutinum Geo. D. Butler 1908-6-20 267 Siskiyou near Yreka (Butler's Ranch) Comment
  UC857970  Ribes velutinum A. A. Heller 1938-7-12 15251 Siskiyou base of lava flow 8 mi n Weed (along U.S. Highway 97) Comment
  RSA0020884  Ribes velutinum Lyman Benson 1929-3-27 1074 Siskiyou Rocky ledges along Klamath River. Comment
  HSC49421  Ribes viscosissimum J. O. Sawyer 1968-9-8 760 Siskiyou Below Young's Meadow on Clear Creek 1402 Comment
  JEPS84056 Image available Ribes viscosissimum L. R. Heckard with S. D'Alcamo, J. Hickman, S. Winchester 1986-7-16 6361 Siskiyou ca. 1/2 mi e Red Butte summit (ca. 7 mi nne of Seiad Valley, w of Cook and Green Pass) 1900 Comment
  JEPS84057  Ribes viscosissimum L. R. Heckard with S. D'Alcamo, J. Hickman, S. Winchester 1986-7-16 6351 Siskiyou ca. 1/2 mi se Red Butte (ca. 7 mi nne of Seiad Valley, sw of Cook and Green Pass) 1730 Comment
  UC90676  Rigiopappus leptocladus K. Brandegee July 1887 Siskiyou Ager Comment
  HSC46224  Rigiopappus leptocladus Jennifer Whipple 1978-6-5 2335 Siskiyou Weston Gulch in Scott Valley 854 Comment
  JEPS84186  Rorippa curvisiliqua L. R. Heckard with J. Hickman et al. 1986-7-17 6513 Siskiyou n slope Condrey Mt.; n slope Condrey Mt. 1960 Comment
  SBBG30531  Rorippa curvisiliqua D. Myrick 1968-6-26 2032 Siskiyou Big Flat, head of Coffee Crk; Trinity Alps 1524 Comment
  JEPS117460  Rorippa nasturtium-aquaticum Lowell Ahart, John Dittes 2010-7-30 16960 Siskiyou About 50 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
  UC375305  Rorippa nasturtium-aquaticum Geo. D. Butler 1908-6-23 1057 Siskiyou near Yreka; near Yreka Comment
  UC164304  Rosa Geo. D. Butler 1910-7-31 1804 Siskiyou Yreka Creek Comment
  NY345434  Rosa brownii H. E. Brown 1897-6-11 349 Siskiyou North Side, Mt. Shasta 1524 Comment
  UC375394  Rosa californica Geo. D. Butler 1908-9-6 1045 Siskiyou dry land near Yreka Comment
  POM277848  Rosa eastwoodiae Alice Eastwood 1912-9-4 2100 Siskiyou Sisson. Comment
  SEINET8986557  Rosa eastwoodiae Unknown 1912-1 2100 (15) Siskiyou Sisson, Siskiyou County. Comment
  CAS-BOT-BC146740  Rosa gymnocarpa Alice Eastwood 1912-7-19 1228 Siskiyou Mount Shasta Comment
  CAS-BOT-BC146749  Rosa gymnocarpa Alice Eastwood 1921-7-31 11018 Siskiyou Shasta Springs Comment
  HSC19387  Rosa gymnocarpa J. O. Sawyer 1968-9-10 682 Siskiyou Below Young's Meadow on Clear Creek. 1372 Comment
  RSA237781  Rosa gymnocarpa Frederick W. Oettinger 1969-7-29 1098 Siskiyou Along stream above Uncle's Lake. Salmon Mtns. High Lake Basins in the vicinity of English Peak. Marble Mtn Wilderness Area. 1829 Comment
  UC164425  Rosa gymnocarpa Geo. D. Butler 1910-8-7 1816 Siskiyou Humbug Mountain 1219 Comment
  LA208226  Rosa nutkana Louis C. Wheeler; 1934-10-27 3349 Siskiyou Siskiyou Mountains, Mt. Diablo Mer., Shasta River 1 mi. below Yreka Creek 731 Comment
  CAS-BOT-BC147066  Rosa pisocarpa E. K. Balls; P. C. Everett 1952-10-13 18185 Siskiyou 3.6 mi. s.w. of turn off to Ney Springs on road from town of Mt. Shasta to Castle Lake 1524 Comment
  HSC90551  Rosa pisocarpa Jennifer Whipple 1977-8-6 2203 Siskiyou W side of Dobkins Lake 2073 Comment
  UC1409338  Rosa pisocarpa subsp. ahartii Frederick W. Oettinger 1969-8-16 1408 Siskiyou near English Lake; Salmon Mountains, Marble Mountain Wilderness Area 1798 Comment
  UC454962  Rosa pisocarpa subsp. pisocarpa I. J. Condit 1909-8-23 Siskiyou near Sisson; Castle Lake Comment
  CAS-BOT-BC148193  Rosa rubiginosa Carl B. Wolf 1930-10-23 1760 Siskiyou Along the Klamath River, 1 mi. above Happy Camp 182 Comment
  CAS-BOT-BC148194  Rosa rubiginosa Alice Eastwood 1912-7-20 1263 Siskiyou Hornbrook Comment
  CHSC91229  Rosa rubiginosa Lowell Ahart; John Dittes 2005-6-10 12065 Siskiyou Pasture east of a poor dirt road, about 90 yards northeast of the pump house along the Shasta River, about 1.9 miles (air) south of Highway 99/97 Cutoff, about 6 miles (air) east-southeast of Grenada. 776 Comment
  CAS-BOT-BC149736  Rosa woodsii subsp. ultramontana Alice Eastwood 1912-7-16 1147 Siskiyou Sisson Comment
  LA208215  Rubus glaucifolius Louis C. Wheeler; 3233 Siskiyou Siskiyou Mountains, Bear Creek off W. Fork Beaver Creek 1767 Comment
  UCR66438  Rubus glaucifolius L. C. Wheeler 1934-8-31 3233 Siskiyou Siskiyou Mountains: semi-shady E slope. Bear Creek off W Fork Beaver Creek 1768 Comment
  CAS-BOT-BC147978  Rubus leucodermis Wm. Bridge Cooke 1938-7-22 11351 Siskiyou Sisson Southern Trail - Mount Shasta 1676 Comment
  CAS-BOT-BC147986  Rubus leucodermis Elizabeth McClintock; Wayne Roderick; Martha Roderick 1967-7-29 s.n. Siskiyou Road to Mumbo Basin, Trinity Mts. 1889 Comment
  CAS-BOT-BC147308  Rubus parviflorus John Thomas Howell 1937-7-21 13190 Siskiyou South Fork of Salmon River near Big Flat 1524 Comment
  JEPS44777  Rubus ursinus W. L. Jepson July, 1894 13881 Siskiyou Sisson Comment
  UC618725  Rubus ursinus W. Bridge Cooke 1938-6-17 11048 Siskiyou Sisson Southern Trail , Sisson Southern Trail (Mount Shasta) Comment
  SEINET5710611  Rudbeckia klamathensis Lowell E. Urbatsch, Vesna Karaman, Castro 2000-1 7699 Siskiyou Scott Mts. Collected along Road 17, 10 mi. SW from the intersection of I-5 and Stewart Spring Rd.; Scott Mountains 1757 Comment
  CAS-BOT-BC433403  Rumex crispus W. B. Cooke; V. G. Cooke; Bob Frenkel 1963-7-12 34325 Siskiyou Memorial Highway below McBride Springs, Mt. Shasta Comment
  UC54227  Rumex occidentalis H. M. Hall and E. B. Babcock Jun 1903 4065 Siskiyou Sisson Sierra Nevada Mountains, Mount Shasta 1066 Comment
  HSC92353  Sagina saginoides Jennifer Whipple 1976-7-24 1569 Siskiyou Near Dobkins Lake 2073 Comment
  RSA759838  Salix Robert F. Thorne 1969-8-2 63399 -b Siskiyou Klamath National Forest, Salmon Mountains: Marble Mtn Wilderness, along trail to English Peak. 1159 Comment
  UC482248  Salix Mrs. H. P. Bracelin 1931-6-19 422 Siskiyou ca. 16 km. n.w. of Shasta City (n.e. side Mt. Eddy, above Metcalf ranch house); Mt. Eddy 1500 Comment
  CAS-BOT-BC102799  Salix bebbiana Elmer I. Applegate s.n. Siskiyou Willow Creek, near Dome Mountain, south of Lower Klamath Lake 1219 Comment
  CAS-BOT-BC102817  Salix boothii A. A. Heller 1922-7-15 13704 Siskiyou On the shore of Medicine Lake 2133 Comment
  RSA184759  Salix eastwoodiae Gilbert Muth 1966-8-3 498 Siskiyou Marble Valley. Marble Mtns. 1793 Comment
  CAS-BOT-BC107790  Salix hindsiana W. R. Dudley 1905-8-3 s.n. Siskiyou By upper Sacramento near Sissons below wood and Sheldon's Mill Comment
  HSC69545  Salix lasiandra Maralyn A. Renner 1980-8-6 2237 Siskiyou FS Rd. 40S07 crossing of Louse Creek 1127 Comment
  CAS-BOT-BC125456  Salix lasiandra var. lasiandra Mrs. H. P. Bracelin 1931-6-19 424 Siskiyou Northeast side of Mount Eddy, about 16 km. northwest of Shasta City; above Metcalf ranch house 1350 Comment
  HSC69187  Salix lasiolepis Maralyn A. Renner 1980-8-31 2631 Siskiyou Twin Valley. 1494 Comment
  LA208780  Salix lasiolepis Mrs. H. P. Bracelin; 1931-6-19 412 Siskiyou NE side of Mount Eddy, ca16 km NW of Shasta City, above Metcalf ranch house 1425.0 Comment
  POM362720  Salix lasiolepis H. P. Bracelin 1931-6-19 411 Siskiyou NE side of Mt Eddy. About 16 km NW of Shasta City. Above Metcalf ranch house. 1425 Comment
  UC482237  Salix lasiolepis Mrs. H. P. Bracelin 1931-6-19 412 Siskiyou ca. 16 km. n.w. Shasta City (n.e. side Mt. Eddy, above Metaclf ranch house); n.e. side Mt. Eddy 1425 Comment
  CAS-BOT-BC124896  Salix lemmonii Mrs. H. P. Bracelin 1931-6-21 467 Siskiyou North side of Mount Eddy, about 21 km. northwest of Shasta City; 180 m. below Dobkin's Lake 1770 Comment
  SBBG29077  Salix lemmonii Mrs. H. P. Bracelin 1931-6-19 415 Siskiyou ca. 16 km NW of Shasta City, on edge of stream above Metcalf ranch house; NE side of Mount Eddy 1455 Comment
  SBBG57902  Salix lemmonii Mrs. H. P. Bracelin 1931-6-21 467 Siskiyou ca. 21 km NW of Shasta City, 180 m below Dobkin's Lake, N side of Mount Eddy 1770 Comment
  SJSU199  Salix lemmonii Mrs. H. P. Bracelin 1931-6-21 467 Siskiyou 180 m below Dobkin's Lake, N side of Mt Eddy c. 21 km NW of Shasta City 1767 Comment
  POM106965  Salix lucida subsp. lasiandra Geo. D. Butler 1909-4-20 1077 Siskiyou Yreka Creek. Comment
  CAS-BOT-BC125696  Salix melanopsis Alice Eastwood 1921-7-25 10829 Siskiyou Bigelows, McCloud River Comment
  CAS-BOT-BC129031  Salix scouleriana Alice Eastwood 1921-7-30 11005 Siskiyou Soda Creek Comment
  SBBG28808  Salix scouleriana Mrs. H. P. Bracelin 1931-6-19 435 Siskiyou N base of Mount Eddy, ca. 10 km NW of Shasta City, E of Metcalf ranch house 1080 Comment
  UC576386  Salix scouleriana Mrs. H. P. Bracelin 1936-9-3 862 Siskiyou 11 mi. n.w. Shasta City (ca. 2 mi. e. of Burney Mill, at first bridge, n. base Mt. Eddy); n. base Mt. Eddy Comment
  CDA39589  Salix scouleriana T. C. Fuller 1960-6-3 4616 Siskiyou Four miles north of Harris Springs Guard Station, 14 miles north of Bartle. 0 Comment
  CAS-BOT-BC128972  Salix sitchensis Mrs. H. P. Bracelin 1937-7-22 870 Siskiyou Beyond head of Big Flat, in woods, near south fork of Salmon River 1615 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
  JEPS96773  Salvia virgata Dean W. Taylor 1999-8-12 17425 Siskiyou Ager Beswick Road, 0.3 miles South of the crossing of Bogus Creek 822 Comment
  UCD125660  Salvia virgata M. V. Maxwell 1941-6-25 s.n. Siskiyou 3 miles east of Hornbrook. 670 Comment
  JEPS80581  Sambucus mexicana Gilbert Muth 1965-8-2 143 Siskiyou between gate and Lower Sky High Lakes; Marble Mt. Wilderness Area 1767 Comment
  HSC58855  Sambucus nigra subsp. caerulea Marvin Butler 1971-1 241 Siskiyou Near Copper Mtn., close to the town of Cave Junction. 1464 Comment
  HSC29279  Sambucus racemosa var. racemosa Frederick W. Oettinger 1968-8-6 423 Siskiyou Marble Mtn. Wilderness Area, SE side of Hancock Lake along trail. 1905 Comment
  SEINET3157602  Sanguisorba annua G. D. Butler 1910-6-3 1468 Siskiyou Quartz Valley Comment
  POM141260  Sanguisorba annua E. B. Copeland 1903-8-14 3585 Siskiyou Sisson. Comment
  UCSB71660  Saponaria officinalis Myrick, Donald 1964-7-25 Siskiyou Near Shasta Royal Inn, Dunsmuir 762 Comment
  UC1034050  Saxifraga aprica W. Bridge Cooke 1941-8-28 16255 Siskiyou tributary of Squaw Valley Creek (Mount Shasta); Mount Shasta 2286 Comment
  UC1053439  Saxifraga californica Rimo Bacigalupi, and Arthur Holmgren 1950-4-24 3135 Siskiyou opposite town Dunsmuir (directly opposite railroad shops, along Sacramento River, e side of canyon); cliffs along Sacramento River Comment
  RSA183690  Saxifraga odontoloma Gilbert Muth 1965-8-17 308 Siskiyou Lower creek on trail to Black Mountain, Marble Mts. Comment
  CDA32669  Schedonnardus paniculatus Don Shaw 1980-8-5 Siskiyou Don Shaw Property, Ager Road, Montague 0 Comment
  JEPS107421  Scirpus nevadensis Lowell Ahart, John Dittes 2005-6-9 12025 Siskiyou Meadow area along a small drainage, on the west side of a poor rock fence, about 150 yards east of where cattle water in the Shasta River, about 3/5 mile (air) south of Highway 99/97 Cutoff, about 2 1/2 miles (air) east-southeast of Grenada 774 Comment
  UC1713587  Scutellaria antirrhinoides Dr. E. B. Copeland 1903-7-2 3530 Siskiyou Klamathon; Pacific Coast, Klamathon Comment
  POM69088  Scutellaria antirrhinoides Geo. D. Butler 1908-7-19 176 Siskiyou Humbug Creek Comment
  JEPS94674  Scutellaria galericulata Vernon H. Oswald and Lowell Ahart 1998-7-21 9350 Siskiyou ne Weed (and se of Macdoel in area of marshes and wet meadow along Old State Highway on w side of Bray) 1417 Comment
  UC618653  Scutellaria nana W. Bridge Cooke 1938-8-23 11569 Siskiyou n slope of Shastina; Mount Shasta, Shastina 2438 Comment
  UCD125688  Scutellaria siphocampyloides Robert E. Preston 1995-6-22 897 Siskiyou Irongate Reservoir, on open slopes W of Mirror Cove. 731 Comment
  UC1299473  Scutellaria siphocampyloides Freed W. Hoffman 1948-7-8 2563 Siskiyou s of Scott Bar (along Scott River); North Coast Ranges, Scott River Comment
  CAS-BOT-BC59184  Sedum lanceolatum Louis C. Wheeler 1934-8-9 3075 Siskiyou Jaynes Canyon 1920 Comment
  UCD77119  Sedum obtusatum Robert E. Preston 2001-6-30 1648 Siskiyou Klamath National Forest, north slope of Rainbow Mountain, T42N R1W nw 1/4 of se 1/4 Section 14 1828 Comment
  UC1951317  Sedum obtusatum subsp. boreale Robert F. Thorne and Fred Oettinger 1969-8-4 63383 Siskiyou Klamath National Forest, Salmon Mountains, Marble Mountain Wilderness Area, high lake basins in the vicinity of English Peak. Near crest of ridge above English Lake, along trail to Hancock Lake. Comment
  HSC19546  Sedum obtusatum subsp. retusum J. O. Sawyer 1969-8-4 1850 Siskiyou S of Sugar Lake 2134 Comment
  HSC90580  Sedum obtusatum subsp. retusum Jennifer Whipple 1977-7-20 2010 Siskiyou Mt. Eddy: Near Durney Lake 2073 Comment
  JEPS2848 Image available Sedum purdyi Carl Purdy 1900-1 Siskiyou Etna Mills; ; Etna Mills, Siskiyou Co. Comment
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Jun 5 2007
  HSC74918  Sedum radiatum J. P. Smith, Jennifer Whipple 1978-7-2 9967 Siskiyou Klamath National Forest, ridge trail E of Cook and Green Pass 1341 Comment
  RSA0074725  Sedum spathulifolium C. B. Wolf 1927-8-26 1063 Siskiyou Klamath River; 8 miles above Hamburg. Comment
  CAS-BOT-BC59181  Sedum stenopetalum subsp. stenopetalum Dorothy Parker 1950-8-3 484 Siskiyou Little Mill Creek, Mount Bolivar 1828 Comment
  RSA237815  Selaginella densa var. scopulorum Frederick W. Oettinger, J. L. Morrison 1967-8-17 282 Siskiyou NE side of Hancock Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1936 Comment
  LA209666  Selaginella scopulorum Lawrence L. Kiefer; 1963-8-11 804 Siskiyou Kangaroo Lake (NE of Callahan), E side of lake 2133 Comment
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Oct 24 2014
  CHSC90388  Selaginella wallacei Martin J. Lenz 2004-12-17 1085 Siskiyou Road cutbank near small tributary of Tompkins Cr., approx. 7.1 air mi. SW of mouth of Scott River. UTM: 10 489596 E 4616333 N. 957 Comment
  RSA0012698  Senecio aronicoides Jerry A. Powell 1974-6-16 1167 Siskiyou Ash Creek Ranger Station. Comment
  SEINET196520  Senecio aronicoides R. Tofarud, J. M. Tucker 1948-8-2 1763 Siskiyou Panther Meadows south slode on Mt. Shasta 2408 Comment
  HSC91206  Senecio fremontii Jennifer Whipple 1976-7-24 1560 Siskiyou SW of Dobkins Lake along the drainage into the lake 2256 Comment
  JEPS16959  Senecio fremontii var. fremontii Peter H. Raven 1956-9-4 10413 Siskiyou s slope Mount Eddy Comment
  CAS-BOT-BC363745  Senecio hydrophilus T. C. Fuller 1958-9-12 s.n. Siskiyou 5 mi. s. of Yreka Comment
  RSA0125031  Senecio integerrimus var. exaltatus Philip A. Munz 1952-7-2 17882 Siskiyou Road to Baldy Mt. northwest of Happy Camp. 1494 Comment
  SEINET10726584  Senecio scorzonella Karen M. Meyer, Andrew Townesmith 2007-7-31 Meyer 178 Siskiyou Shasta-Trinity National Forest. 8.1 mi. on NF Rd. 17, off US Hwy. 97. 1607 Comment
  HSC22188  Senecio triangularis J. O. Sawyer 1969-8-5 1756 Siskiyou W of Little Duck Lake 2073 Comment
  UC618693  Senecio triangularis W. Bridge Cooke 1938-9-8 11678 Siskiyou along the creek and lower meadow below the middle meadow Panther Creek Meadow (Mount Shasta); , Panther Creek Meadow 2286 Comment
  RSA237491  Senecio triangularis Frederick W. Oettinger 1968-8-24 628 Siskiyou Stream side below meadow between Flume and Tom's Lake stream. The Salmon Mountains, High Lake basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1890 Comment
  UC60959  Sericocarpus oregonensis subsp. oregonensis Geo. B. Grant 1902-9-1 5084 Siskiyou Sisson Mount Shasta 914 Comment
  CAS-BOT-BC240272  Setaria viridis Geo. D. Butler 1910-7-29 1796 Siskiyou Yreka Comment
  HSC73257  Sidalcea malviflora M. A. Baker 1980-6-20 2186 Siskiyou Near Bald Mtn. 1036 Comment
  CAS-BOT-BC205787  Sidalcea oregana Elmer I. Applegate 1895-5-29 941 Siskiyou Sisson, Mt. Shasta Comment
  UC465676  Silene californica H. W. Furlong Sept 1901 Siskiyou Summit to Ager Comment
  CAS-BOT-BC181188  Silene campanulata subsp. glandulosa Doris K. Kildale 1928-8-19 6558 Siskiyou Hancock Lake on trail to Marble Mountain Comment
  CAS-BOT-BC181184  Silene campanulata subsp. glandulosa Geo. D. Butler 1909-5-31 772 Siskiyou Humbug Road Comment
  RSA237843  Silene campanulata subsp. glandulosa Frederick W. Oettinger 1969-7-11 989 Siskiyou Near outlet of Hancock Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1951 Comment
  SJSU2569  Silene campanulata subsp. glandulosa H. L. Buckalew 1962-7-12 Siskiyou near Poker Flat c. 2 mi W of junction of Indian Cr with W Branch Indian Cr, Siskiyou Mts 1143 Comment
  HSC99733  Silene campanulata subsp. greenei G. L. Clifton, Grisswold 1979-6-28 6111 Siskiyou Near Upper Devils Peak, close to the town of Seiad Valley 1738 Comment
  HSC19238  Silene douglasii J. O. Sawyer 1969-8-2 1710 Siskiyou Summit W of Little Duck Lake 2409 Comment
  CAS-BOT-BC136284  Silene douglasii W. R. Dudley 1901-8-23 s.n. Siskiyou Slope of Foxtail Ridge Salmon Mts. Comment
  RSA211453  Silene douglasii William J. Ferlatte 1967-8-21 1069 Siskiyou Sawtooth Ridge between Caribou Basin and Little South Fork Lake. 2287 Comment
  UCD78001  Silene douglasii var. douglasii Robert E. Preston 2001-6-30 1651 Siskiyou Klamath National Forest, north slope of Rainbow Mountain, T42N R1W nw 1/4 of se 1/4 Section 14 1889 Comment
  HSC92350  Silene grayi Jennifer Whipple 1976-7-14 1480 Siskiyou SE slope of Mount Eddy draining into the N Fork of the Sacramento River 2195 Comment
  JEPS84223  Silene grayi L. R. Heckard with S. D'Alcamo, J. Hickman, S. Winchester 1986-7-16 6338 Siskiyou ca 1/2 air mi from Red Butte (ca 7 mi nne of Seiad Valley, w of Cook and Green Pass); nne of Seiad Valley, w of Cook and Green Pass 1730 Comment
  CAS-BOT-BC388946  Silene grayi Mary Ann Showers 1980-7-23 1909 b Siskiyou At summit of Little Mt. Hoffman 2225 Comment
  CAS-BOT-BC388967  Silene grayi M. A. Showers 1981-8-8 2107 mas Siskiyou Basin between Shastina and Mt. Shasta at head of Cascade Gulch 2804 Comment
  HSC606  Silene grayi William J. Ferlatte 1967-7-26 753 Siskiyou Caribou Basin, N slope on Sawtooth Ridge 2287 Comment
  RSA184741  Silene grayi Gilbert Muth 1965-8-17 231 Siskiyou Back side of Black Mountain, Marble Mountains. Comment
  UC1198360  Silene hookeri Joseph P. Tracy 1939-4-29 16273 Siskiyou 3 mi n of mouth Salmon (near Somes Bar, e side Klamath River); e side Klamath River near Somes Bar, n of mouth Salmon 243 Comment
  UC585108  Silene lemmonii E. B. Babcock, G. L. Stebbins Jr. 1936-6-13 1999 Siskiyou about 1 1/2 mi w Mt. Shasta City (e and ne slope of spur of Rainbow Ridge above Sulloway Creek); , above Sulloway Creek 1188 Comment
  CAS-BOT-BC389528  Silene menziesii Geo. D. Butler 1910-6-1 1445 Siskiyou Yreka Creek Comment
  CAS-BOT-BC389530  Silene menziesii John Thomas Howell 1937-7-21 13184 Siskiyou South Fork of Salmon River near Big Flat 1524 Comment
  RSA610005  Silene menziesii subsp. menziesii L. C. Wheeler 1935-6-27 3593 .5 Siskiyou Yreka Creek; Siskiyou Mts. 884 Comment
  CDA3454  Silene vulgaris R. S. Richards 1967-6-15 Siskiyou Highway 3, 1 mile south of Etna. 0 Comment
  UC1096832  Sisymbrium altissimum Milo S. Baker 1957-6-15 13110 Siskiyou just s of Weed; North Coast Ranges Comment
  UCD115472  Sisymbrium altissimum A. A. Heller 1916-7-21 12480 Siskiyou near Upton. Comment
  CHSC106093  Sisyrinchium bellum Lowell Ahart; John Dittes 2010-7-30 16945 Siskiyou In a low meadow area west of the Shasta River, about 300 yards northwest of the East Louie Road Bridge, Shasta Big Springs Ranch, 1.6 miles (air) southwest of Big Springs Lake, 5.7 miles (air) southeast of Grenada, 4.6 miles (air) northwest of Dwinnel Dam. 716 Comment
  UC1025073  Sisyrinchium idahoense Leo Whitney 1934-6-11 1587 Siskiyou near Tennant; Antelope Creek 1463 Comment
  CDA39479  Sisyrinchium idahoense T. C. Fuller 1962-6-13 8989 Siskiyou Toad Well, road to Medicine Lake, ca. 12 miles northeast of Bartle. 0 Comment
  SEINET6630420  Smilax californica G. D. Butler 1910-1 1466 Siskiyou Quartz Valley Comment
  HSC100790  Solanum dulcamara Lowell Ahart, John Dittes 2010-7-30 16939 Siskiyou Along the S edge of the Shasta River, ~100 yd. E of the East Louie Road Bridge, Shasta Big Springs Ranch, 1.6 (air) mi. SW of Big Springs Lake, 4.6 (air) mi. NW of Dwinnel Dam, 5.7 (air) mi. SE of Grenada. 717 Comment
  HSC45046  Solanum parishii J. O. Sawyer 1978-6-20 3261 Siskiyou Marble Mtn. Wilderness; W of Abbot's Upper Cabin, N Fork Trail 1524 Comment
  JEPS12122  Solanum triflorum Fred P. Cronemiller Jr. 1929-8-6 Siskiyou Paynes Cove, Modoc National Forest Paynes Cove; Modoc National Forest, Paynes Cove 1341 Comment
  CAS-BOT-BC157044  Solanum umbelliferum A. Eastwood; J. T. Howell 1934-4-20 1772 Siskiyou Near Yreka along Shasta River Comment
  UC1409252  Solanum umbelliferum Frederick W. Oettinger 1969-7-15 1033 Siskiyou along trail from English to Diamond Lake (Marble Mountain Wilderness Area, High Lake Basins in vicinity of English Peak); Salmon Mountains, Marble Mountain Wilderness Area 1874 Comment
  UCD136055  Solidago K. M. Meyer; A. Townesmith 2007-7-31 178 Siskiyou Shasta-Trinity National Forest. 8.1 miles on NF Road 17, off US Highway 97. 1607 Comment
  HSC96880  Solidago elongata Gordon Leppig 1997-8-23 674 Siskiyou Russian Wilderness; cirque W of Little Duck Lake 2200 Comment
  UC1408918  Solidago elongata Frederick W. Oettinger 1968-8-12 494 Siskiyou high lake basins in the vicinity English Peak (Marble Mountain Wilderness Area, Western Siskyou County); Salmon Mountains, Marble Mountain Wilderness Area, Tobacco L 1889 Comment
  UC1557825  Solidago elongata J. Semple, S. Heard 1986-8-14 8460 Siskiyou behind grade school (on East Lake St., Mt. Shasta City); Mt. Shasta City Comment
  UC726607  Solidago elongata A. A. Heller 1916-8-24 12562 Siskiyou near Sisson 1074 Comment
  UC830204  Solidago elongata Lewis S. Rose 1937-7-26 37604 Siskiyou McCloud 1005 Comment
  SEINET5709652 Image available Solidago multiradiata Lowell E. Urbatsch, Vesna Karaman, Castro 2000-1 7697 Siskiyou Scott Mts. Collected along Road 17, 8.8 mi SW from the intersection of I-5 and Stewart Spring Rd.; Scott Mountains 1586 Comment
  OBI55475  Solidago spectabilis David J. Keil, Kathleen Keil 1992-7-21 23531 Siskiyou Klamath NF SE of Callahan. Forest Rd 40N08, 1.7 mi W of Scott Mtn rd (hwy 3) Comment
  CAS-BOT-BC374521  Sonchus asper R. E. Frenkel 1964-7-13 674 Siskiyou Near Mt. Shasta on an east shoulder of Everitt Memorial Highway 1280 Comment
  RSA78999  Sorbus californica E. K. Balls, Percy C. Everett 1952-10-13 18187 Siskiyou E shore of Castle Lake. 1585 Comment
  SBBG50781  Sorbus scopulina J. M. Tucker 1963-7-7 3715 Siskiyou vicinity of Paradise Lake, at base of King's Castle on the E side, Marble Mtn Wilderness Area 1981 Comment
  RSA145150  Sparganium angustifolium Dorothy Parker 1960-9-10 791 Siskiyou Trail to Gulch Lake, Salmon Mountains. 2012 Comment
  RSA0097340  Spergularia rubra L. C. Wheeler 1934-9-2 3239 Siskiyou Miller Glade, Siskiyou Mts. 1829 Comment
  CHSC71602  Spiraea densiflora Vernon H. Oswald; Lowell Ahart 1998-8-3 9440 Siskiyou Near the Pacific Crest Trail in the Scott Mtns. west of Kangaroo Lake. 1981 Comment
  CAS-BOT-BC149682  Spiraea douglasii A. A. Heller 1905-6-20 8085 Siskiyou Between/near Igerna and Weed Comment
  POM148450  Spiraea douglasii J. B. Feudge 1927-7-22 1683 Siskiyou Mt. Shasta City. 1067 Comment
  CAS-BOT-BC152550  Spiraea splendens L. E. Smith 1913-9-1 549 Siskiyou Mt. Eddy Comment
  CAS-BOT-BC152559  Spiraea splendens John Thomas Howell 1937-7-29 13671 Siskiyou North side of Scott Mt. Comment
  RSA237644  Spiranthes romanzoffiana Frederick W. Oettinger, Robert F. Thorne 1969-8-8 1303 Siskiyou Sundew Bog near English Lake. Salmon Mtns; High Lake Basins in the vicinity of English Peak; Marble Mountain Wilderness Area. 1829 Comment
  UC618681  Stachys ajugoides var. rigida W. Bridge Cooke 1938-7-29 11429 Siskiyou Wagon Camp, upper portion of springs Mt. Shasta Comment
  RSA184657  Stachys emersonii Clare B. Hardham 1965-8-20 13013 Siskiyou Marble Mountains, Granite Trail, near Cudahy Lakes 1220 Comment
  SEINET7977024  Stachys rigida G. D. Butler 1910-7-24 1792 Siskiyou Yreka Creek Comment
  RSA237302  Stachys rigida subsp. rivularis Frederick W. Oettinger 1967-6-28 138 Siskiyou On Salmon River near Kelly Gulch. The Salmon Mountains. The High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 613 Comment
  CAS-BOT-BC181418  Stellaria calycantha Wm. Bridge Cooke 1939-8-8 13820 Siskiyou Frequent in the border of the wet area around the upper spring along the Summit Trail above Horse Camp - Mount Shasta 2514 Comment
  SEINET12558110 Image available Stellaria calycantha F. W. Oettinger, R. F. Thomas 1969-1 1166 Siskiyou High Lake Basins in the vicinity of English Peak, Marble Mountain wilderness area, above inlet to Hancock Lake. 1951 Comment
  UC1265673  Stenanthium occidentale Rolf Y. Berg 1980-6-25 Siskiyou Horsetail Falls Klamath River Region (on road from Seiad Valley to Cook and Green Pass) Comment
  RSA577802  Stenanthium occidentale Louis C. Wheeler 1934-8-17 3181 Siskiyou Siskiyou Mts. North side White Mt. 1829 Comment
  UC166204  Stephanomeria virgata subsp. pleurocarpa Geo. D. Butler 1908-8-30 138 Siskiyou near Fort Jones (along Light hill grade) Comment
  SEINET10603842  Stipa lemmonii Louis C. Wheeler 1935-5-11 Wheeler 3480 Siskiyou Siskiyou Mts., Mt. Diablo Mer. Klamath River at Ash Creek. Low , sunny, formerly wet site. 610 Comment
  HSC13360  Stipa occidentalis var. occidentalis R. C. Wunner 1965-6-22 246 Siskiyou Lava Beds National Monument, Canby Cross. 1220 Comment
  CAS-BOT-BC61129  Streptanthus barbatus Alice Eastwood 1912-8-30 s.n. Siskiyou Mount Eddy. Comment
  UC857414  Streptanthus barbatus Alice Eastwood 1912-7-23 1329 Siskiyou Cantara Comment
  CAS-BOT-BC87843  Streptanthus tortuosus Alice Eastwood; John Thomas Howell 1937-6-26 5038 Siskiyou Salmon Mountains above Taylor Creek. Comment
  RSA142606  Streptanthus tortuosus P. A. Munz 1960-8-22 24193 Siskiyou Panther Meadows, Mount Shasta 2530 Comment
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Jun 28 2018
  UC1586880  Streptanthus tortuosus Juha Pykala and D. H. Norris 1987-7-7 2404 Siskiyou Jot Dean Ice Cave 1700 Comment
  UC1601617  Streptanthus tortuosus Lewis S. Rose 1937-7-3 37386 Siskiyou n Mt. Shasta City; Black Butte 1005 Comment
  UC1492819  Streptanthus tortuosus Freed W. Hoffman 1950-7-12 3424 Siskiyou rocks along Klamath River Hwy 3.2 mi from Pick-Aw-Wish Public Camp (toward the e) Comment
  SBBG30518  Streptanthus tortuosus var. pallidus D. Myrick 1968-6-27 2044 Siskiyou trail to Lake Josephine above Carter's Ranch 5 mi S of Big Flat 1828 Comment
  HSC35794  Streptanthus tortuosus var. tortuosus J. O. Sawyer 1969-6-12 881 Siskiyou Ridge SE of Eaton Lake 2226 Comment
  CHSC95132  Streptopus amplexifolius var. americanus L. P. Janeway 2006-7-2 8747 Siskiyou Klamath Ranges. Salmon Mountains; un-named creek at the sharp bend in the Music Creek Trailhead Road, 0.6 km south of Music Creek. North-facing slope above the creek. 1762 Comment
  HSC92936  Stuckenia filiformis subsp. alpina Jennifer Whipple 1976-9-4 1790 Siskiyou Dobkins Lake 2073 Comment
  POM312357  Suaeda calceoliformis Verne Grant, Irving Schneider, Grant 1947-8-26 8300 Siskiyou Interstate Highway, Lower Klamath Lake Comment
  CAS-BOT-BC234787  Symphoricarpos mollis John Thomas Howell 1939-8-2 14947 Siskiyou Spirit Lake, Marble Mts. 1828 Comment
  CAS-BOT-BC234800  Symphoricarpos mollis A. A. Heller 1915-8-24 12202 Siskiyou Metcalf's ranch, northeast base of Mt. Eddy 1188 Comment
  UC889807  Symphoricarpos mollis A. A. Heller 1915-8-24 12202 Siskiyou ne base Mt. Eddy (Metcalf's ranch) 1188 Comment
  HSC58870  Symphyotrichum bracteolatum Marvin Butler 1971-8-11 308 Siskiyou Near Youngs Valley, close to the town of Cave Junction 1403 Comment
  HSC61494  Symphyotrichum foliaceum Ruby Van Deventer 1939-7-18 Siskiyou Kelley Lake and Kelley Lake Trail Comment
  UC726149  Symphyotrichum spathulatum A. A. Heller 1940-7-24 15760 Siskiyou Castle Lake, along the outlet of Castle Lake Comment
  CAS-BOT-BC98435  Symphyotrichum spathulatum Doris K. Kildale 1929-8-24 8810 Siskiyou Young's Valley, trail to Preston Peak 1371 Comment
  CAS-BOT-BC81335  Taxus brevifolia H. A. Thomas; J. H. Thomas 1954-7-23 4472 Siskiyou Salmon-Trinity Mts., about 6 miles SE of Cecilville, vicinity of Blind Horse Creek 1036 Comment
  CAS-BOT-BC85238  Taxus brevifolia Doris K. Kildale 1928-4-2 4403 Siskiyou Klamath River at Somes Bar Comment
  HSC29493  Taxus brevifolia Frederick W. Oettinger 1968-8-13 504 Siskiyou Marble Mtn. Wilderness Area, NE side of Hancock Lake 1936 Comment
  SBBG25354  Taxus brevifolia J. M. Tucker 1963-7-5 3706 Siskiyou lower Blake's Fork of S Russian Crk (a tributary of Salmon River), ca. 7 mi (airline) E of Sawyer's Bar, Salmon Mtns 1524 Comment
  UCR168462  Taxus brevifolia L. C. Wheeler 1934-8-14 3138 Siskiyou Northwestern; Klamath Ranges, Siskiyou Mountains: Western end of White Mtn. 1829 Comment
  SEINET10872329  Taxus brevifolia H. E. Brown 1897-6-1 Brown 323 Siskiyou Collected near Sisson, Siskiyou County. 1084 Comment
  CAS-BOT-BC447419  Tellima grandiflora Dorothy Parker 1950-6-15 454 Siskiyou Kidder Creek 914 Comment
  SD98951  Tellima grandiflora Darley F. Howe 1977-7-4 Siskiyou Indian Creek Rd. 1341 Comment
  HSC6276  Tetradymia canescens R. C. Wunner 1965-7-9 352 Siskiyou California Lava Beds National Monument; 0.4 mi. along Hardin Butte Trail 1341 Comment
  SBBG30494  Tetradymia canescens D. Myrick 1968-6-22 1985 Siskiyou Lava Beds Nat Monument 1371 Comment
  UCD96765  Thalictrum fendleri var. polycarpum John M. Tucker 1963-7-7 3728 Siskiyou Marble Mountain Wilderness Area, vicinity of Paradise Lake at east base of King's Castle on the east side. 1981 Comment
  CAS-BOT-BC88061  Thelypodium brachycarpum A. A. Heller 1905-6-9 8011 Siskiyou Montague. Comment
  CAS-BOT-BC88064  Thelypodium brachycarpum A. A. Heller 1922-6-22 13669 Siskiyou In the Shasta Valley between Gazelle and Edgewood. Comment
  UC1222603  Thermopsis macrophylla var. macrophylla Joseph P. Tracy 1950-7-20 19213 Siskiyou on road to Prospect Hill 5 mi se Flint Valley Comment
  UC1483508  Thlaspi montanum var. montanum Maralyn A. Renner 1980-8-8 2455 Siskiyou Rattlesnake Meadow; Klamath National Forest, Preston Peak Quad., Rattlesnake Mea 1645 Comment
  UC165983  Thlaspi montanum var. montanum Geo. D. Butler 1910-6-4 1503 Siskiyou Shackleford Creek 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
  RSA264980  Tofieldia glutinosa subsp. occidentalis G. L. Clifton 1975-7-28 5903 Siskiyou Near Elk Meadow, near Seiad Valley 1634 Comment
  RSA275403  Tofieldia glutinosa subsp. occidentalis J. P. Smith, Steve Selva 1970-7-18 4481 Siskiyou Hanging bog at Kangaroo Lake. 1890 Comment
  UC1001156  Tofieldia occidentalis subsp. occidentalis Dorothy Parker 1953-7-29 Siskiyou summit of Scott Mountain Siskiyou Mountains 1630 Comment
  HSC41041  Tonella tenella J. O. Sawyer 1970-3-4 2060 Siskiyou N of Idlewild Campground 762 Comment
  HSC72467  Tonella tenella J. P. Smith 1973-5-5 6408 Siskiyou Along Cook and Green Pass Rd. Comment
  SEINET10810172  Torreyochloa pallida var. pauciflora Louis C. Wheeler 1935-7-26 Wheeler 3714 Siskiyou Siskiyou Mts., Jaynes Canyon. Wet sunny meadow. Mt. Diablo Mer. S 12 T 47 N, R 10 W. 1951 Comment
  POM127970  Toxicodendron diversilobum L. R. Abrams 1922-8-6 9900 Siskiyou Klamath River 6 miles below Hornbrook Comment
  CAS-BOT-BC377157  Tragopogon porrifolius Copeland 1903-8-14 3886 Siskiyou Sisson Comment
  HSC69052  Triantha occidentalis subsp. occidentalis Maralyn A. Renner 1980-8-6 2308 Siskiyou Cracker Meadow 1555 Comment
  CAS-BOT-BC519568  Triantha occidentalis subsp. occidentalis David D. Keck 1949-7-20 6363 Siskiyou Scott Mountain Summit: meadow at Scott Mountain Summit, at Trinity County line 1716 Comment
  CAS-BOT-BC519570  Triantha occidentalis subsp. occidentalis Doris K. Kildale 1929-8-24 9036 Siskiyou Rattlesnake Meadow, Preston Peak 1524 Comment
  JEPS65700  Trifolium albopurpureum var. dichotomum Geo. D. Butler 1909-5-13 710 Siskiyou near Yreka; Klamath Hills Comment
  UC1101403  Trifolium cyathiferum Herbert L. Mason 1948-7-17 13604 Siskiyou eastern Grass Lake Comment
  HSC39320  Trifolium eriocephalum J. P. Smith 1974-5-26 7386 Siskiyou Along FS Rd. 47N03 1524 Comment
  CDA4287  Trifolium eriocephalum E. Hale 1984-5-8 Siskiyou East end of Deer Meadow Road, approximately 1 miles west of R. Diaz property on Shamrock Road, south of Yreka. 0 Comment
  UCD78179  Trifolium glomeratum Robert E. Preston 2008-5-13 2631 Siskiyou Along Hwy 96, ca. 11.6 miles N of the confl of the Klamath River and Salmon River. 229 Comment
  HSC30415  Trifolium hybridum Frederick W. Oettinger 1969-8-1 1130 Siskiyou Wiregrass Meadow near English Lake 1707 Comment
  SEINET12147830  Trifolium longipes H. P. Chandler 1901-1 1580 Siskiyou North Coast Ranges,ridges and meadows near Marble Mt 1829 Comment
  UCD111247  Trifolium longipes Al Crebbin 1957-7-23 57 K Siskiyou Head of Deadfall Creek base of Mt. Eddy Shasta National Forest. 2590 Comment
  UC631546  Trifolium microcephalum A. A. Heller 1916-7-20 12462 Siskiyou Metcalf's ranch ne base of Mt. Eddy 1188 Comment
  POM28041  Trifolium productum Geo. D. Butler 1910-7-9 1721 Siskiyou Marble Mountain. 1829 Comment
  UC165558  Trifolium repens J. Burtt Davy 1902-6-15 Siskiyou Sisson Comment
  POM20461  Trifolium variegatum E. B. Copeland 1903-7-7 3554 Siskiyou Hornbrook. Comment
  HSC2320  Trifolium willdenovii Geo. D. Butler 1910-5-8 1313 Siskiyou Near Yreka Comment
  JEPS66093  Trifolium wormskioldii Geo. D. Butler 1908-7-2 381 Siskiyou near Yreka (Butler's Ranch) Comment
  RSA237892  Trifolium wormskioldii Frederick W. Oettinger 1969-8-16 1406 Siskiyou Wiregrass meadow near English Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1707 Comment
  SEINET10577454  Trifolium wormskioldii var. wormskioldii Wiegand 1921-8-23 WIEGAND 1389 Siskiyou Marshy subalkaline soil, south of Montague. Comment
  UC1409311  Trillium ovatum subsp. oettingeri Frederick W. Oettinger 1967-6-27 126 Siskiyou streambank w. of Statue Creek (near point where Music Creek logging rd. makes hairpin turn); Salmon Mts, High Lake Basins, English Peak vicinity, Marble 1755 Comment
  CAS-BOT-BC200090  Trisetum canescens W. R. Dudley 1899-8-22 s.n. Siskiyou Craggy Mt. 1981 Comment
  RSA238972  Trisetum canescens Frederick W. Oettinger 1969-8-3 1151 Siskiyou Halfway spring. trail English Lake to Diamond Lake; Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1829 Comment
  UCD78067  Trisetum canescens Robert E. Preston 2001-8-26 1756 Siskiyou Klamath National Forest, north slope of Rainbow Mountain, n of Hemlock Lake, T42N R1W se 1/4 of se 1/4 Section 14 1828 Comment
  UCD93876  Trisetum canescens R. Tofsrud 1948-8-1 s.n. Siskiyou Near summit of road between Happy Camp and O'Brien Oregon. Comment
  HSC76721  Trisetum spicatum K. T. Stillman 1976-8-7 388 Siskiyou Marble Mountain Wilderness Area, trail from Black Mtn. camp to Jump off Comment
  JEPS52321  Triteleia crocea var. crocea Wayne Roderick 1965-6-6 Siskiyou ca. 4 mi. e. Little Grayback Peak (ridge above headwaters of Indian Creek, Siskiyou Mts.); Siskiyou Mts. Comment
  HSC71102  Triteleia hyacinthina Thomas W. Nelson, Jane P. Nelson, J. P. Smith 1978-7-24 4508 Siskiyou Along W side of Hwy. 3 just N of Scott Mtn. Summit 1616 Comment
  UC1026905  Triteleia ixioides subsp. anilina R. F. Hoover 1940-6-6 15083 Siskiyou along Castle Lake Road 1219 Comment
  CAS-BOT-BC524313  Triteleia ixioides subsp. anilina Francia Chisaki; Gene B. Newcomb 1958-6-21 1151 Siskiyou Squaw Valley Creek, on road to ice caves north of McCloud 1158 Comment
  CAS-BOT-BC524314  Triteleia ixioides subsp. anilina Mrs. Van Fassen 1925-4-1 s. n. Siskiyou Dunsmuir Comment
  CAS-BOT-BC524318  Triteleia ixioides subsp. anilina A. A. Heller 1905-6-5 7986 Siskiyou In woods on the plateau just above Shasta Springs Comment
  CAS-BOT-BC80255  Tsuga mertensiana subsp. grandicona G. A. Coleman 1901-7-31 36 Siskiyou Near summit of range, west of forks of Salmon River Comment
  CAS-BOT-BC74096  Turritis glabra John Thomas Howell 1939-8-6 15088 Siskiyou Spirit Lake, Marble Mountains. 1828 Comment
  UC8397  Vaccaria hispanica T. H. Gilbert Jun 15 1899-Jul 15 1899 Siskiyou Scott River Valley Comment
  CAS-BOT-BC199197  Vaccinium cespitosum Doris K. Kildale 1929-8-24 9021 Siskiyou Rattlesnake Meadow near Preston Peak 1676 Comment
  CAS-BOT-BC228833  Vaccinium cespitosum Peter W. Fritsch; James R. Shevock; Lu Lu 2012-6-20 1932 Siskiyou Russian Wilderness, Klamath National Forest. Along Sugar Creek Trail to Sugar Lake from trailhead off forest road 41N14 1809 Comment
  HSC19514  Vaccinium cespitosum J. O. Sawyer 1969-8-2 1697 Siskiyou Slopes W of Little Duck Lake 2226 Comment
  HSC31964  Vaccinium cespitosum Steve Selva, Roger Jensen 1974-8-16 14 Siskiyou N shore of Sugar Lake. Comment
  UCD118054  Vaccinium cespitosum R. Tofsrud; J. M. Tucker 1948-8-2 1766 Siskiyou Panther Meadows, south slope of Mt. Shasta. 2407 Comment
  HSC19355  Vaccinium membranaceum J. O. Sawyer 1968-6-25 304 Siskiyou NE of N Horse Range Lake 2012 Comment
  HSC19370  Vaccinium membranaceum J. O. Sawyer 1968-7-22 255 Siskiyou Between Handcock and Diamond Lakes 1951 Comment
  SEINET11971724  Vaccinium membranaceum H. P. Chandler 1901-1 1577 Siskiyou near Marble Mountain 2134 Comment
  CAS-BOT-BC199475  Vaccinium parvifolium Doris K. Kildale 1929-7-20 8618 Siskiyou Trail up South Fork of Indian Creek to Elk Lick Comment
  CAS-BOT-BC228834  Vaccinium scoparium Peter W. Fritsch; James R. Shevock; Lu Lu 2012-6-20 1933 Siskiyou Russian Wilderness, Klamath National Forest. Above Sugar Lake along Sugar Creek on steep SE-facing slope. (From trailhead off forest road 41N14) 2019 Comment
  HSC19096  Vaccinium scoparium J. O. Sawyer 1969-8-1 1657 Siskiyou Along trail to Little Duck Lake 1951 Comment
  UCR219536  Valeriana sitchensis R. F. Thorne, Frederick W. Oettinger 1969-8-4 63361 Siskiyou Salmon Mountains, Klamath National Forest, Marble Mountain Wilderness Area, vicinity of English Peak 2098 Comment