Search Results — 2000 specimen records retrieved (1398 records with coordinates)
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? Specimen ID Determination * Collector Collection Date Collection Number County Locality Elevation in meters Feedback
  RSA761839  Abies amabilis Robert F. Thorne, Frederick W. Oettinger 1969-8-4 63375 Siskiyou Klamath National Forest, Salmon Mountains, Marble Mountain Wilderness Area, high lake basins in the vicinity of English Peak Comment
  HSC99294  Abies concolor T. Jimerson, J. Pageau 1979-6-15 558 Siskiyou Near Bark Shanty Camp, close to the town of Orleans. 1067 Comment
  UC1001947  Abies concolor Mrs. B. A. Berry 1954-10-7 5 Siskiyou w Etna; Salmon Mountains, Etna Creek 914 Comment
  HSC32541  Abies lasiocarpa Steven Lagos 1974-5-26 83 Siskiyou Little Duck Lake and the ridge above it 2073 Comment
  HSC4985  Abies lasiocarpa J. O. Sawyer 1968-7-10 499 Siskiyou On trail to South Sugar Lake. 1982 Comment
  HSC4998  Abies lasiocarpa J. O. Sawyer 1969-8-4 1921 Siskiyou Headwaters of S Sugar Creek. 2043 Comment
  RSA226605  Abies lasiocarpa J. O. Sawyer 1969-7-3 1440 Siskiyou North of Russian Lake 2148 Comment
  HSC81891  Abies lasiocarpa var. lasiocarpa D. V. Hemphill 1986-7-20 Siskiyou E side of Virginia Lake Comment
  UC119058  Abies magnifica var. magnifica unknown 1885-9-1 Siskiyou Siskiyou Mts. Comment
  UC333504  Abies magnifica var. shastensis unknown 1891-11-12 Siskiyou near Mt. Shasta Comment
  HSC27600  Acer circinatum Carl W. Mize 1972-6-10 53 Siskiyou Along Steinacher Creek 0.5 mi. from Wooley Creek 244 Comment
  UC166211  Acer glabrum var. glabrum Geo. D. Butler 1909-7-20 908 Siskiyou Highland Mine Highland Mine Comment
  HSC4973  Acer glabrum var. torreyi J. O. Sawyer 1968-6-18 212 Siskiyou Headwaters of Blake's Fork of S Russian Creek 1738 Comment
  SEINET12765788  Acer glabrum var. torreyi Mary Merello, H. H. Schmidt; L. Woodruff 1993-6-22 690 Siskiyou Sasta National Forest outside of Mt. Shasta City. Along Forest Service Road 26 to Lake Siskiyou.; 0 1090 Comment
  CAS-BOT-BC332791  Acer macrophyllum Wm. Bridge Cooke 1940-7-12 15306 Siskiyou Near the Box Canyon of the Sacramento near Mt. Shasta City Comment
  UC1045289  Acer macrophyllum W. Bridge Cooke 1940-7-12 15306 Siskiyou near Mount Shasta City (near the Box Canyon of the Sacramento); Box Canyon of the Sacramento, near Mount Shasta City 914 Comment
  UC166209  Acer negundo Geo. D. Butler 1910-6-30 1617 Siskiyou Yreka Creek Comment
  CAS-BOT-BC336933  Acer negundo var. californicum J. H. Thomas; T. C. Fuller; G. D. Barbe 1980-4-29 53405 Siskiyou Fort Jones 853 Comment
  CAS-BOT-BC336937  Acer negundo var. californicum Geo. D. Butler 1910-5-22 1384 Siskiyou Yreka Creek Comment
  CAS-BOT-BC30440  Achillea millefolium A. A. Heller 1915-8-26 12241 Siskiyou Mt. Eddy 1828 Comment
  HSC4567  Achillea millefolium D. M. Thomson 1965-6-19 85 Siskiyou Lava Beds National Monument, Captain Jacks Stronghold Comment
  HSC58874  Achillea millefolium Marvin Butler 1971-7-19 155 Siskiyou Near Mary's Meadow, close to the town of Cave Junction 1220 Comment
  HSC81664  Achillea millefolium Thomas W. Nelson, Jane P. Nelson 1980-7-17 6077 Siskiyou Along FS Rd. 17, 1 mi. N of summit at county line 2073 Comment
  UC1409443  Achillea millefolium Frederick W. Oettinger 1968-8-5 400 Siskiyou above, on bedrock ridges, (high lake basins in vicinity of English Pk) English Lake; Salmon Mountains, Marble Mountain Wilderness Area, English P 2072 Comment
  JEPS84209  Achlys triphylla subsp. triphylla L. R. Heckard with S. D'Alcamo, J. Hickman, S. Winchester 1986-7-15 6300 Siskiyou Indian Creek Rd. from Takilma to Happy Camp (just s. of state line) Comment
  RSA47651  Achnatherum lemmonii var. lemmonii Roxana S. Ferris, Laura Lorraine 1948-06 11791 Siskiyou Scott Mountain Road south of Callahan Comment
  CHSC102577  Achnatherum occidentale subsp. californicum L. P. Janeway 2009-8-4 9896 Siskiyou High Cascade Range. Flat open area along Military Pass Road (43N19) 3.4 km east of Military Pass, 6.4 km northwest of Ash Creek Butte. 1804 Comment
  UCSB51222  Achnatherum occidentale subsp. pubescens Almanza, Ed 1976-7-12 Siskiyou Mt. Shasta ski lodge. 2316 Comment
  JEPS94899  Achnatherum thurberianum Vernon H. Oswald and Lowell Ahart 1998-6-11 9192 Siskiyou ne of Weed (Shasta National Forest plantation on the w side of Highway 97 2.2 mi ne of Lake Shastina-Big Springs Road); Shasta National Forest plantation 1066 Comment
  RSA17732  Achnatherum thurberianum Elmer I. Applegate 1935-6-8 9437 Siskiyou Bear Paw Cave, Lava Beds National Monument. Comment
  UCD51424  Achnatherum thurberianum W. E. Moon 1958-5-29 s.n. Siskiyou along State Hwy. 97, 12 miles northeast of Weed. Comment
  UC61662  Aconitum columbianum Geo. B. Grant September 1902 5262 Siskiyou Shasta Springs Mt. Shasta, Shasta Springs 609 Comment
  POM365584  Aconitum columbianum var. columbianum M. B. Dunkle 1944-7-1 9056 Siskiyou Siskiyou Natl. Forest 1829 Comment
  CAS-BOT-BC383124  Aconogonon davisiae Andrew Townesmith; Karen M. Meyer 2007-7-30 871 Siskiyou Shasta-Trinity National Forest. At the upper end of county road A10, mile 13.8 (from beginning of road in Mount Shasta City, 12.7 miles from National Forest boundary sign). Highest vehicle accessible point on Mount Shasta 2399 Comment
  UC2013022  Aconogonon davisiae Barbara Ertter 1990-7-14 9321 Siskiyou Wagon Creek on E side of Mt. Eddy, ca. 4 air miles W of Mt. Shasta City. Comment
  CAS-BOT-BC418817  Aconogonon phytolaccifolium Doris K. Kildale 1928-8-20 6604 Siskiyou Lily Pad Lake near Hancock Lookout on trail to Marble Mt. 2133 Comment
  HSC61825  Aconogonon phytolaccifolium Ruby Van Deventer 1959-7-9 Siskiyou Poker Flat 1585 Comment
  HSC86554  Aconogonon phytolaccifolium D. K. Imper 1987-7-23 Siskiyou 8 mi. E of Somes Bar 1372 Comment
  SJSU2559  Aconogonon phytolaccifolium H. L. Buckalew 1962-7-7 Siskiyou Poker Flat c. 3 mi W of junction of Indian Cr with W Branch Indian Cr, Siskiyou Mts 1082 Comment
  CAS-BOT-BC391701  Actaea rubra John Thomas Howell 1937-7-23 13340 Siskiyou South Fork of Salmon River near Big Flat 1524 Comment
  CAS-BOT-BC29322  Adenocaulon bicolor A. A. Heller 1916-8-24 12558 Siskiyou Near Sisson 1074 Comment
  HSC58867  Adenocaulon bicolor Marvin Butler 1971-7-29 234 Siskiyou Near Copper Mountain Mines, close to the town of Cave Junction 1464 Comment
  HSC30618  Adenocaulon bicolor Frederick W. Oettinger 1969-8-9 1317 Siskiyou Along main N Fork trail between 5 mile stock gate and Abbott's Upper Cabin, Salmon Mountains 1357 Comment
  UC401267  Adiantum aleuticum unknown Siskiyou Mt Shasta Comment
  CHSC32916  Agastache parvifolia J. P. Smith; Steve Selva 1970-8-8 4573 Siskiyou Lava Beds National Monument. Comment
  JEPS80551  Agastache urticifolia Gilbert Muth 1965-8-11 206 Siskiyou Marble Mt. Wilderness Area 1792 Comment
  SBBG39077  Agastache urticifolia C. Bornstein 1996-6-29 Siskiyou Indian Well Cmpgrd, Lava Beds Nat Monument 1432 Comment
  POM252837  Agastache urticifolia A. A. Heller 1938-7-13 15263 Siskiyou Among lava rocks at Bray. Comment
  CAS-BOT-BC29453  Ageratina occidentalis Nora Pettibone; Frank W. Hubby 1894-8-10 s.n. Siskiyou Upper Soda Springs Comment
  CAS-BOT-BC15478  Agoseris X dasycarpa Elmer I. Applegate 1923-8-17 3845 Siskiyou West side of Medicine Lake Comment
  CAS-BOT-BC15377  Agoseris grandiflora var. grandiflora Wm. Bridge Cooke 1938-8-5 11441 Siskiyou MacBride Springs, on southwest side of Mount Shasta 1524 Comment
  HSC46195  Agoseris heterophylla Jennifer Whipple 1977-4-30 1886 Siskiyou Scott Valley near Weston Gulch 854 Comment
  HSC67939  Agoseris heterophylla J. P. Smith 1973-5-5 6481 Siskiyou Along Cook and Green Pass Rd. Comment
  RSA142619  Agoseris monticola Philip A. Munz 1960-8-22 24185 Siskiyou Panther Meadows, Mount Shasta 2530 Comment
  UC165784  Agrostis Geo. D. Butler 1910-7-12 1748 Siskiyou Shackleford Creek 1219 Comment
  SJSU11317  Agrostis capillaris S. H. Casey 1981-7-4 1210 Siskiyou near Cook & Green Pass, Seiad Creek Rd c. 5 mi N of Seiad Valley, northwestern Siskiyou County 1463 Comment
  HSC77085  Agrostis exarata K. T. Stillman 1976-7-30 330 Siskiyou Marble Mtn. Wilderness Area, Elk Valley. Comment
  POM211406  Agrostis exarata L. C. Wheeler 1943-7-2 2843 Siskiyou Little Smoky Creek, Sterling Mt. 128 Comment
  SBBG26838  Agrostis exarata J. T. Howell 1939-8-9 Siskiyou Sky High Valley, Marble Mtns 1828 Comment
  UC815001  Agrostis exarata John Thomas Howell 1939-8-9 15205 Siskiyou Sky High Valley Marble Mts. 1828 Comment
  UCD52352  Agrostis exarata A. H. Murphy 1956-8-15 56 I Siskiyou Klamath National Forest, Tangle Blue Creek. 1767 Comment
  CAS-BOT-BC139568  Agrostis gigantea W. R. Dudley 1899-8-15 s.n. Siskiyou Near Bartlets. Comment
  CAS-BOT-BC138943  Agrostis pallens Doris K. Kildale 1928-7-25 5914 Siskiyou Klamath River - Mack's Creek near Hamburg. Comment
  HSC30632  Agrostis pallens Frederick W. Oettinger, R. F. Thorne 1969-8-4 1161 Siskiyou Marble Mtn. Wilderness Area, above Half-way Spring, on trail from English Lake to Diamond Lake 1951 Comment
  RSA239090  Agrostis pallens Frederick W. Oettinger 1969-9-1 1571 Siskiyou midway on slope from English Lake to Dry Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2134 Comment
  RSA239091  Agrostis pallens Frederick W. Oettinger, Robert F. Thorne 1969-8-5 1188 Siskiyou west side of English Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1677 Comment
  UCD53259  Agrostis pallens R. Tofsrud 1948-8-1 s.n. Siskiyou Few mi. N. of Happy Camp. Comment
  SEINET7594104 Image available Agrostis pallens F. W. Oettinger 1968-1 637 Siskiyou southeast side of Abbott's Lake, Salmon Mountains 1722 Comment
  HSC30584  Agrostis scabra Frederick W. Oettinger, R. F. Thorne 1969-8-4 1169 Siskiyou Marble Mtn. Wilderness Area, outlet to Hancock Lake. 1890 Comment
  HSC103012  Ailanthus altissima J. P. Smith 2014-6-6 13869 Siskiyou Along river access road just west of State Route 96. Naturalized trees 216 Comment
  UCD55716  Aira caryophyllea A. A. Beetle; G. L. Stebbins Jr. 1942-6-1 3615 Siskiyou 11 miles north of Happy Camp, road to Grants Pass, banks of Indian Creek. Comment
  CAS-BOT-BC462990  Allium bolanderi C. L. Hitchcock; J. S. Martin 1939-7-9 5309 Siskiyou 1 mile above Bucher's Ranch, Canyon Creek, ca. 3 miles west of Turner's Camp 1219 Comment
  CAS-BOT-BC462992  Allium bolanderi Geo. D. Butler 1908-6-29 113 Siskiyou Near Oro Fino Comment
  SEINET8118880  Allium bolanderi G. D. Butler 1910-6-3 1469 Siskiyou Quartz Valley. Comment
  CHSC30249  Allium falcifolium M. S. Taylor 1980-7-8 3111 Siskiyou S of Castle Lake, above Hearts Lake. 2016 Comment
  HSC69270  Allium falcifolium John S. Palmer 1980-7-24 641 Siskiyou Dillon Divide 1707 Comment
  UC1090392  Allium falcifolium Milo S. Baker 1957-6-16 13123 Siskiyou Scott Mt. 1645 Comment
  HSC77149  Allium falcifolium L. P. Janeway 1983-8-27 619 Siskiyou Along Twin Valley/Poker Flat trail 1677 Comment
  UC618662  Allium obtusum W. Bridge Cooke 1938-7-1 11163 Siskiyou 1 mi below main meadow; Mount Shasta, Panther Creek Sand Flats Comment
  CAS-BOT-BC474037  Allium parvum M. S. Taylor; J. Prouty 1980-6-25 2963 Siskiyou Grizzly Peak and western ridge. 5 mi due e of Lake McCloud 1889 Comment
  CAS-BOT-BC132142  Allium siskiyouense L. E. Smith 1914-4-20 637 Siskiyou Yreka Comment
  UCD143200  Allium siskiyouense Sandra L. Holloway 1963-7-14 s.n. Siskiyou ca. 5 miles south and 5 miles west of Weed. 2133 Comment
  UCD143201  Allium siskiyouense L. K. Mann; J. M. Tucker, S. L. Holloway 1963-7-9 s.n. Siskiyou 2nd camp Marble Mountain Wilderness Area. Comment
Read comments
Mar 27 2015
  POM170268  Allium validum Geo D. Butler 1910-6-19 1577 Siskiyou Goosenest Foothills. 1524 Comment
  CAS-BOT-BC169647  Alnus rhombifolia W. R. Dudley 1899-8-22 s.n. Siskiyou Gazelle Comment
  HSC65416  Alnus viridis subsp. sinuata Rich White 1978-7-3 221 Siskiyou Lake E of Sawtooth Trail, N of Dillon Trail 1502 Comment
  UC1736429  Alnus viridis subsp. sinuata Dean W. Taylor 1999-8-12 17301 Siskiyou Mill Creek headwaters, Marble Mountains (ca. 4 miles W of Mugginsville, Quartz Valley), creek crossing on logging road 1341 Comment
  UC1100238  Alopecurus aequalis Herbert L. Mason 1948-7-18 13617 Siskiyou Grass Lake Comment
  UCD55833  Alopecurus aequalis L. Whitney 1934-6-29 2234 Siskiyou Antelope Creek, near Tennant. 1463 Comment
  UC166283  Alyssum alyssoides Geo. D. Butler 1910-5-15 1341 Siskiyou near Yreka Comment
  UC1777717  Alyssum desertorum J. Di Tomaso 2002-5-17 Siskiyou 8 mi NE of Montague (York Rd, 3 m E of intersection with Mulloy Rd) Comment
  HSC69428  Amelanchier pallida John Palmer 1980-7-23 568 Siskiyou Past Elbow Springs at end of USFS Rd. 15N19 1220 Comment
  JEPS123617  Amelanchier pallida C. S. Campbell, M. Lorusso 2011-5-20 11 -351 Siskiyou Pat Trinca's property, east side of Hilt Valley Comment
  RSA47620  Amelanchier pallida Roxana S. Ferris 1948-6-12 11844 Siskiyou Gazelle Mtn grade, road betw Callahan and Gazelle. 1500 Comment
  RSA237659  Amelanchier pumila Frederick W. Oettinger 1969-8-13 1358 b Siskiyou Below Halfway Spring, trail from English Lake to Diamond Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1829 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
  RSA0089979  Amsinckia retrorsa E. B. Copeland 1903-7-2 3552 Siskiyou Klamathon. Comment
  CAS-BOT-BC45206  Anaphalis margaritacea Carl B. Wolf 1927-8-27 1148 Siskiyou On the Klamath River 10 mi above the Salmon River Comment
  CAS-BOT-BC45210  Anaphalis margaritacea A. A. Heller 1915-8-26 12247 Siskiyou Wagon Creek at the foot of Mt. Eddy 1127 Comment
  CAS-BOT-BC391803  Anemone deltoidea Roxana S. Ferris; Laura Lorraine 1948-6-12 11774 A Siskiyou About 5.5 miles from Etna on Forks of Salmon Road Comment
  CAS-BOT-BC391807  Anemone deltoidea John Thomas Howell 1939-8-2 14927 Siskiyou Spirit Lake, Marble Mts. Comment
  UC853527  Anemone deltoidea John Thomas Howell 1937-7-21 13173 Siskiyou near Big Flat (South Fork Salmon River); South Fork Salmon River 1524 Comment
  CAS-BOT-BC391791  Anemone deltoidea C. R. Quick 1950-6-21 50 -04 Siskiyou Upper Hungry Creek drainage, west of Hilt and east of Beaver Creek Comment
  CHSC1425  Anemone drummondii M. Yoder 1941-7-6 Siskiyou Castle Lake. 1981 Comment
  UCR37569  Anemone drummondii L. Linstedt, C. Houseman, M. A. Strull 1984-5-27 62 Siskiyou 0.7 miles from Hwy 3 on road 40N OB 1677 Comment
  HSC43361  Anemone lyallii N. G. Sugihara 1977-5-28 65 Siskiyou Bank of Haypress Creek 100 yds. upstream from edge of Haypress Meadow 1463 Comment
  POM100582  Anemone multifida Geo. D. Butler 1910-7-8 1683 Siskiyou Marble Mtn. 1677 Comment
  CAS-BOT-BC210241  Anemone multifida var. multifida Dana York 2011-8-12 3044 Siskiyou Marble Mountain Wilderness. Klamath National Forest, Marble Mountain 2075 Comment
  HSC77116  Anemone multifida var. multifida K. T. Stillman 1976-6-25 64 Siskiyou Marble Mtn. Wilderness Area 2073 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
  RSA259561  Anemone occidentalis J. P. Smith, J. O. Sawyer 1973-8-14 7321 Siskiyou Hillside W of Cliff Lake 1982 Comment
  CHSC30108  Anemone oregana M. S. Taylor 1980-6-4 2779 Siskiyou Cedar Lake, ca. 11 mi sw of Mt. Shasta City. 1737 Comment
  JEPS14076  Angelica arguta W. L. Jepson 1937-7-30 18564 Siskiyou Siskiyou Mountains, Poker Flat, headwaters of Indian Creek Poker Flat; Siskiyou Mountains, Poker Flat 1584 Comment
  HSC71323  Angelica genuflexa J. M. DiTomaso 1980-8-31 1967 Siskiyou 3 mi. S of Grayback Pass on road to Happy Camp. 1159 Comment
  CAS-BOT-BC59282  Antennaria argentea A. A. Heller 1916-7-20 12475 Siskiyou Near Wagon Creek Falls, east side of Mt. Eddy 1371 Comment
  CAS-BOT-BC59242  Antennaria corymbosa Gilbert J. Muth 1969-8-6 1212 Siskiyou Boulder Peak 2529 Comment
  CAS-BOT-BC59161  Antennaria dimorpha Geo. D. Butler 1910-3-24 1140 Siskiyou Shasta River Hills Comment
  CAS-BOT-BC59162  Antennaria dimorpha Dorothy Parker 1951-5-1 503 Siskiyou Mt. Boliver 1371 Comment
  RSA48004  Antennaria dimorpha Roxana S. Ferris, Laura Lorraine 1948-6-12 11831 Siskiyou Gazelle Mtn grade, road betw Callahan and Gazelle. 1500 Comment
  CHSC69065  Antennaria geyeri Vernon H. Oswald; Lowell Ahart 1997-7-28 8803 Siskiyou Forest Route 15 ca. 1 mi south of Harris Spring: T42N R2E Sect. 31, ca. 4800 ft. 1463 Comment
  UC579119  Antennaria geyeri J. William Thompson 1936-7-8 13158 Siskiyou Lava Beds National Monument Comment
  CAS-BOT-BC77346  Antennaria media John Thomas Howell 1937-7-24 13401 Siskiyou Caribou Basin, Salmon-Trinity Alps 2286 Comment
  CAS-BOT-BC77301  Antennaria media G. J. Muth 1969-8-8 1298 Siskiyou Boulder Peak Ridge, Gap 2286 Comment
  HSC29214  Antennaria media Frederick W. Oettinger 1969-7-14 1016 Siskiyou Salmon Mountains; N-facing slope between Charmaine Lake and Abbott's Lake 1860 Comment
  HSC78310  Antennaria microphylla L. P. Janeway 1983-8-26 616 Siskiyou At Poker Flat, dry W side of meadow 1524 Comment
  HSC44950  Antennaria racemosa J. O. Sawyer 1978-6-17 3232 Siskiyou Marble Mtn. Wilderness Area, slopes E of Gem Lake 2073 Comment
  JEPS120229  Antennaria racemosa Julie Kierstead Nelson with Rhonda Posey, Peter Zika, Talitha Derksen 2012-6-21 2012 -053 Siskiyou Headwaters of South Fork Willow Creek, foothills of N side Scott Mountain. Along Rd. 42N42Y .2 mi E of junction with 42N19 Comment
  SEINET6755311 Image available Antennaria racemosa G. D. Butler 1910-6-4 1502 Siskiyou Shackleford Creek Comment
  RSA45339  Anthemis cotula Dorothy Parker 1946-7-20 s.n. Siskiyou Plowman's Valley 1189 Comment
  CAS-BOT-BC102275  Anthemis cotula A. A. Heller 1916-7-20 12460 Siskiyou Metcalf's ranch, northeast base of Mt. Eddy Comment
  UC1034585  Anthemis cotula Douglas Barbe 1955-7-1 84 Siskiyou 6 mi s Etna; Scott Valley 883 Comment
  UC163714  Antirrhinum vexillocalyculatum subsp. breweri Geo. D. Butler 1910-6-17 1569 Siskiyou Humbug Mountain 1066 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
  JEPS83880  Apocynum androsaemifolium Wayne Roderick 1976-7-1 Siskiyou along trail to Lily Pad Lake (vicinity of Cook and Green Pass) 1706 Comment
  HSC3211  Apocynum androsaemifolium Geo. D. Butler 1908-9-6 78 Siskiyou Butler Ranch, near Yreka. Comment
  RSA12666  Apocynum androsaemifolium subsp. pumilum C. B. Wolf 1934-7-6 s.n. Siskiyou West side of Mt Shasta, along Snowline road, 3.3 miles from Mt. Shasta City 1524 Comment
  RSA68918  Apocynum androsaemifolium subsp. pumilum A. E. Culbertson 1943-8-1 40 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
  RSA123547  Aquilegia formosa G. D. Barbe 1955-7-6 133 Siskiyou SE end of Taylor Lake, Salmon Mtns. 1951 Comment
  RSA30393  Arabis breweri Lincoln Constance, Reed C. Rollins 1942-5-14 2930 Siskiyou Shasta River 6 miles N of Yreka. 762 Comment
  HSC44739  Arabis breweri var. breweri J. O. Sawyer, E. Cope 1977-6-21 2979 Siskiyou Near Prescott Peak 1677 Comment
  HSC90564  Arabis divaricarpa Jennifer Whipple 1977-7-22 2045 Siskiyou Dale Creek drainage on N face of Mt. Eddy. 2195 Comment
  HSC22442  Arabis divaricarpa var. interposita J. O. Sawyer 1969-6-2 1020 Siskiyou Summit above Albert Lake 2256 Comment
  JEPS53022  Arabis glabra W. L. Jepson 1940-7-1 20079 Siskiyou McCloud 975 Comment
  HSC62590  Arabis glabra Ruby Van Deventer 1960-7-7 Siskiyou Youngs Valley Comment
  RSA0125769  Arabis glabra S. O. Mattoon, Ken Hansen 1978-6-17 30 Siskiyou Old Hwy 99E; 5 miles S of I-5 at Siskiyou Summit. 1220 Comment
  HSC90577  Arabis holboellii var. retrofracta Jennifer Whipple 1976-7-8 1365 Siskiyou Klamath Mtns.: N to NE facing steep granite bluff above Dobkins Lake 2317 Comment
  POM143204  Arabis holboellii var. retrofracta Geo. D. Butler 1910-5-10 1331 Siskiyou Goosenest foothills Comment
  SEINET3899885  Arabis holboellii var. retrofracta C. Leo Hitchcock, J. P. Martin 1939-7-9 5310 Siskiyou Between King's Castle and Black Mt.; 0 1829 Comment
  RSA0129717  Arabis platysperma var. howellii R. F. Thorne, Frederick W. Oettinger 1969-8-10 38991 Siskiyou Mount Shasta National Forest; south slope of Mt. Shasta at base of boulders. 2378 Comment
  HSC67763  Aralia californica John Palmer 1980-8-15 999 Siskiyou NE of Seiad Low Gap on spur of F.S. Rd. 46N50 1098 Comment
  JEPS84177  Arceuthobium campylopodum L. R. Heckard with J. Hickman 1986-7-17 6489 Siskiyou ca 9 mi n Hwy 96 (Walker) (Oak Knoll Ranger Station rd to Condrey Mt.) 1480 Comment
  HSC96171  Arceuthobium campylopodum R. L. Mathiasen 2005-3-12 531 Siskiyou 0.8 km N of Hwy. 89 on FS Rd. 88 (road to Mt. Shasta Ski Park), Shasta-Trinity National Forest Comment
  RSA237456  Arceuthobium tsugense Frederick W. Oettinger 1969-9-5 1678 Siskiyou Between Abbotts Lake and Wiregrass Meadow. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1677 Comment
  SEINET2116925  Arceuthobium tsugense subsp. mertensianae R. L. Mathiasen, C. M. Daugherty 2004-9-12 2004 -32 Siskiyou Eaton Lake. Russian Wilderness Area 2000 Comment
  CAS-BOT-BC39980  Arctostaphylos nevadensis Elmer I. Applegate 1895-5-29 306 Siskiyou West base of Mt. Shasta near Sisson 1828 Comment
  CAS-BOT-BC39989  Arctostaphylos nevadensis Louis C. Wheeler 1934-7-23 75638 Siskiyou Long John creek 1463 Comment
  RSA238334  Arctostaphylos nevadensis Frederick W. Oettinger 1968-8-2 366 Siskiyou 0.1 mi. So. of Diamond Lake on Shasta Ridge'. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2073 Comment
  SEINET3411144 Image available Arctostaphylos nevadensis James D. Montgomery 1969-7-24 80918 d Siskiyou Mount Shasta, Shasta National Forest. 1981 Comment
  UCD146712  Arctostaphylos nevadensis G. F. Hrusa 1998-7-5 14683 Siskiyou south side of pass on Happy Camp-O' Brien Road around side of State Boundary, above Indian Creek Camp. 750 Comment
  CAS-BOT-BC46465  Arctostaphylos patula Elizabeth McClintock; Wayne Roderick; Martha Roderick 1967-7-29 s.n. Siskiyou W. side of Gumboot Lake, Trinity Mts. 1828 Comment
  CAS-BOT-BC46474  Arctostaphylos patula W. R. Dudley 1899-8-22 s.n. Siskiyou Top of Craggy Mt. Comment
  CAS-BOT-BC46490  Arctostaphylos patula Reed Rollins; T. S. Chambers 1938-8-15 2722 Siskiyou 3 mi. s. of Weed. 914 Comment
  CAS-BOT-BC46499  Arctostaphylos patula Alice Eastwood 1923-5-23 11907 Siskiyou Near Cantara. Comment
  HSC68535  Arctostaphylos patula Maralyn A. Renner 1980-6-24 1076 Siskiyou 1/2 mi. E of Cook and Green Pass 1555 Comment
  JEPS101962  Arctostaphylos patula Dean W. Taylor 1999-6-9 17229 Siskiyou Siskiyou Mountains, ca. 5 air miles WSW Hilt, very headwaters of South Fork Hungry Creek 1371 Comment
  OBI36634  Arctostaphylos patula David J. Keil 1983-7-3 17348 Siskiyou Slopes of Mt. Shasta along Memorial hwy Comment
  POM367402  Arctostaphylos patula B. C. Templeton 1964-6-10 10067 Siskiyou Moutain slope of Mt. Shasta. Comment
  UC54435  Arctostaphylos patula H. M. Hall and E. B. Babcock June, 1903 4103 Siskiyou above Sheep Rock (n side of mt.); Sierra Nevada Mountains, Mount Shasta 1371 Comment
  CDA38689  Arctostaphylos patula T. C. Fuller 1962-5-17 8733 Siskiyou East of Hwy. 99, 3 miles south of Mt. Shasta City. 0 Comment
  RSA238585  Arctostaphylos patula Frederick W. Oettinger 1969-7-29 1100 Siskiyou Mt. Chaparral element due E. of Uncles Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1829 Comment
  CAS-BOT-BC47012  Arctostaphylos viscida subsp. viscida Doris K. Kildale 1929-5-31 9162 Siskiyou Cecilville, s. fork Salmon River. Comment
  CAS-BOT-BC47018  Arctostaphylos viscida subsp. viscida E. B. Copeland 1903-7-14 3519 Siskiyou Klamathon. Comment
  RSA12511  Arctostaphylos viscida subsp. viscida C. B. Wolf 1934-7-4 5925 Siskiyou Klamath River, 3 mi. below Tee Bar Creek. 213 Comment
  UC718362  Arctostaphylos viscida subsp. viscida Carl B. Wolf 1934-7-4 5925 Siskiyou 3 mi below Tee Bar Creek; Klamath River 213 Comment
  JEPS51409  Arenaria congesta var. suffrutescens Geo. D. Butler 1908-8-3 51 Siskiyou Log Lake 1371 Comment
  HSC4690  Arnica amplexicaulis Ruby Van Deventer 1955-8-1 1001 Siskiyou Along Clear Creek (S. Fork), near Doe Flat, close to Del Norte county line 1311 Comment
  HSC69748  Arnica cernua Maralyn A. Renner 1980-6-26 1269 Siskiyou Klamath National Forest, ridge along FS Rd. 15N01, 1 mi. N of Flint Valley. 1494 Comment
  UCD129116  Arnica chamissonis Malcolm A. Nobs; Calvin McMillan 1949-6-17 797 Siskiyou Grass Lake, Highway 97. Comment
  HSC46314  Arnica discoidea J. P. Smith, Steve Selva 1970-7-15 4370 Siskiyou 2 mi. below the Baldy Mt. Lookout Station. Comment
  UCD77356  Arnica discoidea Robert E. Preston 2002-6-19 1822 Siskiyou Dunsmuir, in forest along E bank of Sacramento River. 727 Comment
  CAS-BOT-BC82547  Arnica discoidea Alice Eastwood 1912-8-30 2046 Siskiyou Mount Eddy Comment
  CAS-BOT-BC82655  Arnica latifolia W. R. Dudley 1901-8-23 s.n. Siskiyou Rocky Peak, Foxtail Ridge, Salmon Mts. Comment
  UC1409284  Arnica mollis Frederick W. Oettinger and R. F. Thorne 1969-8-6 1251 Siskiyou below, along steep gorge, (high lake basins in vicinity of English Peak) Tom's Lower Pond; Salmon Mountains, Marble Mountain Wilderness Area 1859 Comment
  JEPS80517  Arnica nevadensis Gilbert Muth 1966-7-19 431 Siskiyou Lookout Trail Marble Mt. Wilderness Area 1828 Comment
  HSC29299  Arnica viscosa Frederick W. Oettinger 1968-9-2 668 Siskiyou High Lake Basins near English Peak, marble Mountain Wilderness Area; N facing slope SSW of Upper English Lake 1860 Comment
  UC444336  Arnica viscosa W. L. Jepson and N. B. Greene 1894-1 45941 Siskiyou Mt. Shasta Comment
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Jan 18 2009
  RSA142615  Arnica viscosa Philip A. Munz 1960-8-22 24189 Siskiyou above Panther Meadows, Mt. Shasta 2499 Comment
  RSA417444  Artemisia M. B. Dunkle 1945-1 9316 Siskiyou Klamath National Forest, Marble Mountains. 2439 Comment
  CAS-BOT-BC84979  Artemisia arbuscula subsp. arbuscula John Thomas Howell 1939-8-4 15054 Siskiyou Marble Mts., Marble Rim 1889 Comment
  CAS-BOT-BC90471  Artemisia douglasiana H. E. Brown 1897-7-15 574 Siskiyou South side Mt. Shasta 3048 Comment
  CAS-BOT-BC90472  Artemisia douglasiana Grant 1902-9-14 s.n. Siskiyou Dunsmuir Comment
  CAS-BOT-BC90478  Artemisia douglasiana D. D. K. 1938-8-19 11509 Siskiyou along the margin of, and in the vicinity of, one of the overflow creeks from the Mount Shasta reservoir above Howard 1219 Comment
  HSC30276  Artemisia douglasiana William J. Ferlatte 1971-9-18 1371 Siskiyou Big Flat, near public campground 1524 Comment
  CAS-BOT-BC93710  Artemisia norvegica subsp. saxatilis Annetta Carter 1939-8-21 1470 Siskiyou Steep slope above southeast end of Taylor Lake, 12 miles southwest of Etna, Salmon Mountains 2194 Comment
  CAS-BOT-BC97419  Artemisia tridentata subsp. tridentata Geo. D. Butler 1910-9-12 1883 Siskiyou Butte Valley 1280 Comment
  CHSC72225  Artemisia tridentata subsp. tridentata Vernon H. Oswald; Lowell Ahart 1998-9-16 9629 Siskiyou Butte Valley National Grassland near the junction of Meiss Lake-Sams Neck Rd. and Hwy. 97 ca. 5 mi north of Macdoel. 1295 Comment
  UC1043534  Aruncus dioicus var. pubescens P. C. Everett and E. K. Balls 1954-10-13 20280 Siskiyou road to Kangaroo Mt. (6.5 mi ne of Hwy 96, Seiad Creek); Seiad Creek 701 Comment
  UC922318  Aruncus dioicus var. pubescens Annie M. Alexander and Louise Kellogg 1949-7-24 5866 Siskiyou trail to Bear Lake; Marble Mountains, Paradise Lake 1920 Comment
  UC1045273  Asarum caudatum W. B. Cooke 1940-7-12 15316 Siskiyou in Box Canyon of the Sacramento River near Mount Shasta City 914 Comment
  RSA240101  Asarum hartwegii Frederick W. Oettinger 1969-8-9 1326 Siskiyou Along the North Fork Trail about .2 mi NW of Herr Creek. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1098 Comment
  HSC636  Asclepias cordifolia William J. Ferlatte 1967-6-30 592 Siskiyou Josephine Lake basin 1677 Comment
  SEINET10950966  Asclepias speciosa Karen M. Meyer, Andrew Townesmith 2007-7-31 Meyer 173 Siskiyou Shasta-Trinity National Forest. 5.3 mi. on NF Rd. 17, off US Hwy. 97, turn out right before forest rd. 42N19. 1298 Comment
  HSC36219  Asclepias speciosa John Rehling 1974-8-24 38 Siskiyou Along Scott River at the confluence of the Klamath River. Comment
  UCSB23331  Asclepias speciosa Keefe, Joseph 1967-7-11 Siskiyou 0.2 mile south of Old Stage Road on Castle Stage Road, near Mt. Shasta Hatchery, town of Mt. Shasta 1097 Comment
  HSC48322  Aspidotis densa J. P. Smith, Steve Selva 1970-6-15 3951 Siskiyou Road between Forks of Salmon and Cecilville. 579 Comment
  HSC34465  Aspidotis densa J. D. Ackerman, A. M. Montalvo 1974-8-18 430 Siskiyou Ridge above chromium mine near Cyclone Gap and Copper Mtn. in the Siskiyou Mtns. 1829 Comment
  RSA686379  Aspidotis densa M. B. Dunkle 1945-1 9305 Siskiyou Klamath National Forest, Marble Mountains 2439 Comment
  RSA686383  Aspidotis densa M. B. Dunkle 1944-7-18 9135 Siskiyou Siskiyou National Forest Comment
  UCSB17935  Aspidotis densa Hardham, Clare 1961-7-3 Siskiyou Scott Mountains, S of Calahan Comment
  RSA238783  Aster alpigenus Frederick W. Oettinger, R. F. Thorne 1969-8-8 1293 Siskiyou Sundew Bog due E of English Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1829 Comment
  CAS-BOT-BC178802  Astragalus californicus John Thomas Howell; Alice Eastwood 1934-4-20 1739 Siskiyou Near Yreka on Ft. Jones Road Comment
  HSC42070  Astragalus californicus Sue Sweet 1977-5-21 70 Siskiyou Junction of Miner's Creek Rd. and Rd. 8, 5.5 mi. W of Callahan on Rd. 8. 1037 Comment
  CAS-BOT-BC182966  Astragalus filipes Milo S. Baker 1957-6-16 13150 Siskiyou Trip to Scott Mts. from Turn off near Callahan, area 5-6 mi beyond Turn off Comment
  UC1096785  Astragalus filipes Milo S. Baker 1957-6-16 13150 Siskiyou trip to Scott Mt. ca 5-6 mi from Turn Off near Callahan; near Callahan Comment
  HSC39321  Astragalus purshii var. tinctus J. P. Smith 1974-5-26 7385 Siskiyou Along FS Rd. 47N03 1524 Comment
  UC635309  Astragalus whitneyi Dorothy Tebbe 1929-7-1 77 Siskiyou Dobkins Lake , Dobkins Lake (Mount Eddy) Comment
  UC399394  Athyrium distentifolium var. americanum C. G. Pringle Sept. 1882 Siskiyou Mt Shasta Comment
  UC1408832  Athyrium filix-femina var. cyclosorum Frederick W. Oettinger 1968-8-14 511 Siskiyou just below Tom Taylor Cabin spring; Salmon Mts, High Lake Basins, English Peak vicinity, Marble 2042 Comment
  SEINET516324  Atriplex heterosperma Vernon H. Oswald 1998-9-16 9649 Siskiyou Tour Route at Lower Klamath NWR 3 mi S of Hwy. 161. 1244 Comment
  HSC4359  Atriplex rosea D. M. Thomson 1965-8-14 199 Siskiyou Lava Beds National Monument, by Hovey Pt. Comment
  HSC9030  Avena fatua D. M. Thomson 1965-7-17 152 Siskiyou Lava Beds National Monument, N boundary Comment
  CAS-BOT-BC106540  Balsamorhiza deltoidea Geo. D. Butler 1910-4-16 1180 Siskiyou Klamath Hills Comment
  CAS-BOT-BC106542  Balsamorhiza deltoidea Wm. Bridge Cooke; V. G. Cooke 1970-7-22 42693 Siskiyou Roadside turnoff, 1 mi. w. of Bolam road, along SR-97, Mt. Shasta 1158 Comment
  HSC36816  Balsamorhiza deltoidea J. P. Smith 1974-5-27 7617 Siskiyou Along FS Rd. 47N03 1280 Comment
  CAS-BOT-BC100057  Balsamorhiza lanata Alice Eastwood; John Thomas Howell 1934-4-20 1754 Siskiyou Near Yreka on Ft. Jones Road Comment
  JEPS76149  Balsamorhiza lanata Susan Horner 1977-5-31 72 Siskiyou ca. 1.5 mi sw of, s end of Shasta Valley Weed; Shasta Valley 1042 Comment
  POM36318  Balsamorhiza terebinthacea Geo. D. Butler 1910-5-11 1337 Siskiyou Shasta Valley Comment
  HSC39830  Barbarea orthoceras J. O. Sawyer 1969-7-18 1369 Siskiyou Along S Russian Creek below Russian Lake 2012 Comment
  POM94780  Barbarea orthoceras Geo. D. Butler 1910-7-7 1659 Siskiyou Shackleford Creek. 1220 Comment
  HSC44617  Berberis aquifolium var. aquifolium Laura Witherspoon 1977-5-20 Siskiyou Along rd. to Stewart Springs 1067 Comment
  JEPS82697  Berberis aquifolium var. aquifolium Steve Edwards 1984-6-7 Siskiyou sw Stewart Springs (above Cabin Meadow); South China Mt 2286 Comment
  HSC65095  Berberis aquifolium var. repens J. P. Smith 1973-5-5 6399 Siskiyou In and around the O'Neill Campground near Seiad Valley. 488 Comment
  CAS-BOT-BC75727  Berberis nervosa Ira L. Wiggins 1955-7-21 13441 Siskiyou Rush Creek Trail 2 miles above Mountain View Ranch. 1097 Comment
  HSC58851  Berberis nervosa Marvin Butler 1971-7-30 248 Siskiyou Near Bell Echo Camp, close to the town of Cave Junction 1433 Comment
  UC1483425  Berberis nervosa John Palmer 1980-8-15 980 Siskiyou ne of Seiad Low Gap (on spur of F.S. Rd 46N50); Seiad Valley Quadrangle 1097 Comment
  CAS-BOT-BC169486  Betula occidentalis L. B. Kildale 1930-6-1 9841 Siskiyou Mill Creek near Etna Mills 914 Comment
  CAS-BOT-BC169489  Betula occidentalis W. R. Dudley 1899-8-8 s.n. Siskiyou near Sisson Comment
  HSC43837  Betula occidentalis Maralyn O'Meara 1974-5-27 493 Siskiyou 7.4 mi. NE of Ft. Jones on Hwy. 3 Comment
  CAS-BOT-BC227789  Betula occidentalis Elmer I. Applegate 1895-5-28 635 Siskiyou Sacramento River below Sisson Comment
  UC1192188  Bidens cernua Verne Grant and Irving Schneider 1947-8-26 8295 Siskiyou irrigation ditch w of Tule Lake Comment
  UC166583  Bidens cernua Geo. D. Butler 1908-8-28 346 Siskiyou near Oro Fino Comment
  CAS-BOT-BC413081  Bistorta bistortoides Gilbert Muth 1966-8-1 481 Siskiyou Marble Valley Horse Pasture, Marble Mts. 1792 Comment
  HSC81744  Bistorta bistortoides Thomas W. Nelson, Jane P. Nelson 1980-7-20 6186 Siskiyou Above and to SE of Big Carmen Lake 1738 Comment
  UCSB24981  Bistorta bistortoides Keefe, Joseph 1967-7-11 Siskiyou Little Castle Lake, southeast of Castle Lake, 10 miles southwest of city of Mt. Shasta 1981 Comment
  RSA698467  Blechnum spicant Leo Miller 1938-07 s.n. Siskiyou Siskiyou Mountains 884 Comment
  HSC5207  Blepharipappus scaber Duncan Dunning 1922-6-5 Siskiyou Moffett Creek, NW of Fort James Comment
  UC372986  Boechera Geo. D. Butler 1908-8-3 128 Siskiyou Log Lake Shackleford Creek Comment
  CAS-BOT-BC16891  Boechera A. M. Vollmer; L. Beane 1951-6-2 73 Siskiyou Road between Streamline Lodge and Deer Camp, north of Klamath River Highway. Comment
  CAS-BOT-BC16892  Boechera Vesta Holt 1943-8-13 M- 16 Siskiyou Marble Mountains. Comment
  CAS-BOT-BC15803  Boechera acutina Marion Ownbey; Ruth P. Ownbey 1938-7-20 1760 Siskiyou 1 mile east of Dry Lake Lookout, summit of the Siskiyou Mountains. Comment
  SEINET193232  Boechera breweri Lincoln Constance, Reed C. Rollins 1942-5-13 2902 Siskiyou Klamath River near Clear Creek, 8 miles south of Happy Camp. 305 Comment
  UC166051  Boechera breweri Geo. D. Butler 1909-5-14 726 Siskiyou Klamath River Comment
  UC136187  Boechera howellii Dr. E. B. Copeland 1903-8-16 3914 Siskiyou Mt. Shasta 2438 Comment
  UC1409497  Boechera lyallii Frederick W. Oettinger 1968-8-4 390 a Siskiyou trail just n Crapo Peak Ridge (vicinity of English Peak, w Siskiyou County); Salmon Mountains, Marble Mountain Wilderness Area, English P 2194 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-BC14463  Boechera platysperma Alice Eastwood 1921-7-28 10897 Siskiyou Medicine Lake. Comment
  CAS-BOT-BC25422  Boechera retrofracta L. E. Smith 1913-6-12 s.n. Siskiyou Road between Sisson and Castle Lake. Comment
  CAS-BOT-BC25428  Boechera retrofracta J. H. Thomas 1954-5-13 4131 Siskiyou Klamath National Forest. Salmon Mountains. Near South Fork of Salmon River, 5 to 9 miles southeast of Cecilville. 1066 Comment
  CAS-BOT-BC25610  Boechera retrofracta John Thomas Howell 1937-7-24 13378 Siskiyou Salmon - Trinity Alps. Caribou Basin. 2286 Comment
  SBBG2413  Boechera retrofracta H. and M. Dearing 1939-7-2 3801 Siskiyou Etna-Salmon Divide 1828 Comment
  CAS-BOT-BC25421  Boechera retrofracta L. B. Kildale 1930-6-1 9856 Siskiyou Summit between Sawyers Bar and Etna Mills. Comment
  SEINET3166095  Boechera rollei P. J. Alexander 2008-7-24 873 -C Siskiyou On the Pacific Crest Trail +-0.7 miles SSW of Cook & Green Pass, +-1.9 miles E of Red Butte, +-7miles NNE of Seiad Valley, Siskiyou Mountains, Rogue River National Forest. 1606 Comment
  CAS-BOT-BC25688  Boechera sparsiflora Alice Eastwood; John Thomas Howell 1934-4-20 1762 Siskiyou Near Yreka along Shasta River. Comment
  UCD114377  Boechera sparsiflora Wm. E. Moon 1958-5-29 s.n. Siskiyou State Hwy. 97, 12 miles northeast of Weed. 1219 Comment
  CAS-BOT-BC25919  Boechera suffrutescens C. L. Hitchcock; J. S. Martin 1939-7-6 5224 Siskiyou Peak above and north of Divide of Siskiyou Mountains. On Takilma-Happy Camp road. 1828 Comment
  HSC22121  Boschniakia strobilacea J. O. Sawyer 1969-7-3 1058 Siskiyou SE facing upper slope above Horse Range Creek 1524 Comment
  UC42357  Botrychium multifidum Marshall A. Howe 1894-7-30 Siskiyou Sisson Comment
  CAS-BOT-BC438785  Boykinia major Dana York 2012-7-20 3120 Siskiyou Rogue River - Siskiyou National Forest, Siskiyou Mountains, ca. 2.4 km W-SW of Cook and Green Pass, moist slope above Echo Lake. 1710 Comment
  JEPS49659  Boykinia major Geo. D. Butler 1908-8-22 217 Siskiyou summit Salmon Mountain; Cabin near summit Salmon Mountain 1676 Comment
  RSA238308  Boykinia major Frederick W. Oettinger 1968-8-15 525 Siskiyou E bank of Hancock Lake. Salmon Mtns. High Lake Basins in the vicinity of English Peak. Marble Mtn Wilderness Area. 1936 Comment
  JEPS18787  Brickellia grandiflora Geo. D. Butler 1908-8-8 305 Siskiyou summit near, along trail Marble Mountain 1828 Comment
  UCSB37839  Brickellia greenei Roos, John 1948-9-2 Siskiyou 5 miles S.W. of Yreka Comment
  RSA96963  Brickellia greenei Percy C. Everett, E. K. Balls 1954-10-13 20277 Siskiyou Seiad Creek, road to Kangaroo Mountain, 7.2 miles NE from Hwy 96. 823 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
  CAS-BOT-BC484383  Brodiaea elegans subsp. elegans Ira L. Wiggins 1955-7-25 13509 Siskiyou Mountain View Ranch 960 Comment
  CAS-BOT-BC149494  Bromus briziformis A. A. Heller 1905-6-20 8075 Siskiyou Gazelle. Comment
  HSC30548  Bromus carinatus Frederick W. Oettinger 1969-8-13 1351 Siskiyou Marble Mtn. Wilderness Area, SE ridge of English Lake. 2134 Comment
  UCD58304  Bromus carinatus A. A. Beetle; G. L. Stebbins Jr. 1942-5-31 3413 Siskiyou Canyon N of Willow Creek, 5 miles W of Gazelle. Comment
  UCD59194  Bromus carinatus var. marginatus Geo. D. Butler 1909-6-13 832 Siskiyou Moffett Creek. Comment
  UCD58758  Bromus hordeaceus August L. Hormay 1932-4-20 s.n. Siskiyou Brownwell. Comment
  POM204679  Bromus marginatus Copeland 1903-09 3790 Siskiyou Mt. Eddy, California 1585 Comment
  HSC41384  Bromus suksdorfii J. O. Sawyer 1970-7-4 2319 Siskiyou S of Cedar Flat Cabin 1494 Comment
  CAS-BOT-BC161409  Bromus tectorum William Bridge Cooke 1938-7-1 11159 Siskiyou Above Bear Spring near the Bear Spring-Wagon Camp Road. 1676 Comment
  HSC9353  Bromus tectorum D. M. Thomson 1965-6-12 84 Siskiyou Lava Beds National Monument, Hovey Point Comment
  RSA30370  Cacaliopsis nardosmia Lincoln Constance, Reed C. Rollins 1942-5-13 2906 Siskiyou Klamath-Siskiyou Region: Klamath River 4 miles east of Seiad. 457 Comment
  RSA239004  Calamagrostis breweri Frederick W. Oettinger 1969-9-3 1613 Siskiyou Shasta Ridge, north slope of English Peak. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2073 Comment
  RSA238992  Calamagrostis canadensis Frederick W. Oettinger 1969-8-16 1404 Siskiyou Wire Grass Meadow, English Lake Meadow. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1677 Comment
  RSA602389  Calamagrostis canadensis L. C. Wheeler 1935-7-26 3716 Siskiyou Jaynes Canyon; Siskiyou Mountains. (Mt. Diablo Mer.) 1951 Comment
  HSC27138  Calamagrostis koelerioides J. P. Smith, Steve Selva 1970-7-27 4502 Siskiyou Gumboot Lake 1768 Comment
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Jun 7 2012
  HSC91978  Calamagrostis koelerioides Jennifer Whipple 1976-8-20 1727 Siskiyou Wagon Creek drainage on the E face of Mount Eddy 2195 Comment
  CAS-BOT-BC85733  Calocedrus decurrens H. A. Thomas; J. H. Thomas 1954-7-27 4558 Siskiyou Salmon - Trinity Mts. about 6 miles SE of Cecilville. Between Mt. Veiw Cabin and S. Fork of Salmon River. 944 Comment
  CAS-BOT-BC85737  Calocedrus decurrens Wm. Bridge Cooke 1938-9-2 11592 Siskiyou Sisson Southern Trail 1524 Comment
  CAS-BOT-BC85750  Calocedrus decurrens Peter H. Raven 1956-9-5 10467 Siskiyou North Fork of Sacramento River 1584 Comment
  OBI55417  Calocedrus decurrens David J. Keil 1992-7-20 23512 Siskiyou Etna 1000 Comment
  RSA183691  Calochortus elegans var. nanus Gilbert Muth 1965-8-6 189 Siskiyou Marble Mountains, backside of Blk. Mtn. 2073 Comment
  CAS-BOT-BC132458  Calochortus persistens Marion Ownbey; S. J. Preece, Jr. 1952-6-25 3341 Siskiyou Ridge road to Deadwood Lookout, mountains west of Yreka Comment
  CAS-BOT-BC494017  Calochortus tolmiei Gilbert Muth 1965-8-6 s.n. Siskiyou Backside of Blk. Mt. 2072 Comment
  CAS-BOT-BC494023  Calochortus tolmiei W. B. C. 1938-7-1 11154 Siskiyou Above Bear Spring( Transition) 1600 Comment
  HSC49832  Caltha leptosepala Maralyn O'Meara 1973-6-5 194 Siskiyou 1.0 mi. up Duck Lakes Trail along a trail crossing stream Comment
  CAS-BOT-BC273387  Calycadenia fremontii G. D. Carr 1974-9-11 781 Siskiyou Gazelle-Callahan Rd., 5.3 mi NE of Callahan 1068 Comment
  SEINET3863991  Calycadenia fremontii G. D. Carr 1974-9-11 781 Siskiyou Gazelle-Callahan Rd., 5.3 mi NE of Callahan.; 0 1068 Comment
  UCD129884  Calycadenia truncata R. L. Carr 1974-8-17 2129 Siskiyou 4.0 miles west of Gazelle on Gazella-Callahan Road, south or Yreka. 950 Comment
  CAS-BOT-BC272748  Calycadenia truncata subsp. truncata Louis C. Wheeler 1934-10-6 3310 Siskiyou Shasta Valley 2 mi. SE Yreka 853 Comment
  HSC31620  Calypso bulbosa Gleen McGourty 1974-5-25 53 Siskiyou Near junction of Road 8 and French Creek Rd. 1280 Comment
  HSC46106  Calypso bulbosa J. P. Smith 1973-5-5 6450 Siskiyou Trail to the Siskiyou cypress stand, off the Cook and Green Pass Rd. Comment
  HSC2414  Calyptridium monospermum William J. Ferlatte 1966-8-5 337 Siskiyou Caribou Mtn. 2470 Comment
  UC635369  Calyptridium monospermum D. Tebbe 1929-6-7 154 Siskiyou Mount Eddy Comment
  HSC64931  Calyptridium monospermum D. L. Goforth 1979-7-7 233 Siskiyou Klamath National Forest, near Deer Camp 1860 Comment
  CDA23947  Calyptridium umbellatum T. C. Fuller 1962-6-11 8950 Siskiyou East side of Highway 99 to Mt. Shasta City, 1.3 miles south of Black Butte Summit. 0 Comment
  CAS-BOT-BC221261  Calystegia malacophylla subsp. malacophylla A. A. Heller 1916-7-20 12471 Siskiyou Near Wagon Creek Falls, east side of Mt. Eddy 1524 Comment
  CDA39272  Camassia quamash M. K. Bellue Jun 1934 s.n. Siskiyou near Yreka(?). 0 Comment
  CAS-BOT-BC497587  Camassia quamash subsp. breviflora D. E. Breedlove 1962-6-11 3372 Siskiyou Along State Highway 89, 17.6 miles east of McCloud; Cascade Mountains 1219 Comment
  RSA530925  Camelina microcarpa L. C. Wheeler 1934-6-2 2619 Siskiyou Oak Knoll Ranger Station, Klamath River, Siskiyou Mountains (Mt. Diablo Mer.) 671 Comment
  CAS-BOT-BC160901  Camissonia tanacetifolia subsp. tanacetifolia W. R. Ernst 1958-8-8 283 Siskiyou Grass Lake area, about 32 miles south of Oregon State line on Highway 97 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
  SEINET10463098  Campanula prenanthoides Muth 1979-8-6 MUTH 13116 Siskiyou Near Tom Gray Gulch, on the Happy Camp quadrangle; close to the town or Happy Camp, gravelly soil, serpentine. 610 Comment
  UC164334  Campanula prenanthoides Geo. D. Butler 1910-8-7 1815 Siskiyou Humbug Mountain 1219 Comment
  SEINET10463164  Campanula prenanthoides Palmer 1892-7-13 Palmer 2511 Siskiyou Mount Shasta and vicinity Comment
  SEINET10840317  Campanula prenanthoides John T. Witherspoon 1977-8-10 Witherspoon s.n. 1977 Siskiyou 2 MI UP FOREST SERVICE RD 12N13 W OF BALD BUTTE. T12N R6E SEC. 11 610 Comment
  SEINET10939017  Campanula prenanthoides A. Arthur Heller 1920-7-28 Heller 13486 Siskiyou ALONG HIGHWAY NORTH SLOPE OF SISKIYOU MTNS YELLOW PINE AND OAK BELT Comment
  SEINET10463786  Campanula scouleri Joseph W. Congdon 1900-8-8 Congdon s.n. Siskiyou Near Sisson Comment
  RSA211342  Campanula wilkinsiana William J. Ferlatte 1967-8-22 1099 Siskiyou Head of Kidd Creek. 2134 Comment
  UCD114169  Cardamine bellidifolia Dean Wm. Taylor 1975-8-14 5456 Siskiyou Mt. Shasta, between Shasta Ski area and Green Butte. 2590 Comment
  JEPS82692  Cardamine californica var. integrifolia Wayne Roderick 1984-6-5 Siskiyou ca 12 air km sw Mt. Shasta city (above Castle Lake); sw of Mt. Shasta city, above Castle Lake 1905 Comment
  JEPS53389  Cardamine nuttallii var. covilleana Geo. D. Butler 1910-4-1 1152 Siskiyou Humbug Mountain Comment
  HSC47620  Cardaria draba J. P. Smith 1977-5-15 9069 Siskiyou Yreka Comment
  HSC39389  Carex amplifolia J. O. Sawyer 1969-6-11 828 Siskiyou Ridge next to C.C.C. road, near N fork of Horse Range Creek 1357 Comment
  HSC76859  Carex amplifolia L. P. Janeway 1982-9-2 182 Siskiyou Next to creek 15 m below road from West Branch Guard Station towards Indian Creek 671 Comment
  UCD140122  Carex atherodes Peter F. Zika 2010-7-21 25197 Siskiyou Grass Lake. On north side of Route 97, 0.4 road miles ENE of Grass Lake Rest Area. 1540 Comment
  CHSC98565  Carex athrostachya Thomas W. Nelson; Jane P. Nelson 1984-7-28 7705 Siskiyou Along west edge of Gumboot Lake. 1859 Comment
  CAS-BOT-BC19559  Carex bolanderi A. A. Heller 1905-6-13 8025 Siskiyou Near Shasta Springs. Along the railroad just above Shasta Springs. Comment
  UC1265330  Carex deweyana subsp. leptopoda Frederick W. Oettinger and R. F. Thorne 1969-8-6 1245 Siskiyou vicinity of English Peak (Pine Lake Basin); Salmon Mountains, Marble Mountain Wilderness Area 1828 Comment
  HSC101885  Carex echinata subsp. echinata Dana York 2011-9-9 3095 Siskiyou Klamath National Forest, a few meters inside Marble Mountain Wilderness at Isinglass Lake. 1985 Comment
  SEINET3900972  Carex eurycarpa L. E. Detling 1959-6-8 8227 Siskiyou Scott River near Kelsey Creek Guard Station.; 0 671 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
  CAS-BOT-BC20132  Carex feta George Dexter Butler 1909-6-13 807 Siskiyou Oro Fino. Comment
  CHSC93515  Carex fracta Barbara L. Wilson; Richard Brainerd 2003-6-18 10928 Siskiyou Road 48N20 between Seiad Valley and Cook and Green Pass; Klamath National Forest. Cutbank. 1158 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
  UC1608358  Carex gigas J. Kierstead 1991-7-3 91 -96 Siskiyou Fawn Creek Meadow Shasta-Trinity National Forests, Mt. Shasta Ranger Dist. 1828 Comment
  CAS-BOT-BC28085  Carex hoodii William Bridge Cooke 1938-7-15 11173 Siskiyou Mt. Shasta Springs. 1524 Comment
  SEINET7562360 Image available Carex infirminervia Ray Tallent 1987-8-12 901 Siskiyou Klamath National Forest, Long Gulch Lake, SE end of lake. 1945 Comment
  SEINET4292187 Image available Carex integra Unknown 2006-1 8775 Siskiyou Klamath Range. Salmon Mountains; south side of upper Carter Meadows 0.5 km west of Carter Meadows Summit. Deadman Peak 7.5' quad. Comment
  JEPS100906  Carex interior Dean W. Taylor 1988-7-8 9936 Siskiyou Gumboot Lake, headwaters South Fork Sacramento River 1950 Comment
  CAS-BOT-BC35523  Carex jonesii John Thomas Howell 1937-7-22 13256 Siskiyou South Fork of the Salmon River near Big Flat 1524 Comment
  UC1265331  Carex laeviculmis Frederick W. Oettinger 1969-8-19 1458 Siskiyou Abbott's Basin Salmon Mountains, Marble Mountain Wilderness Area 1905 Comment
  CAS-BOT-BC31304  Carex lenticularis var. impressa W. R. Dudley 1901-8-18 s.n. Siskiyou Jacksons Lake. Comment
  CHSC96158  Carex lenticularis var. lipocarpa L. P. Janeway 2006-7-1 8716 Siskiyou Klamath Ranges. Salmon Mountains; just west of Carter Meadow, north side of South Fork Salmon River. Small open dry meadow along road with seepy ditch along upper road edge. 1579 Comment
  HSC29638  Carex lenticularis var. lipocarpa Frederick W. Oettinger 1968-9-9 801 Siskiyou Marble Mtns. Wilderness Area, Tom's Lake, lower meadow 2012 Comment
  HSC76372  Carex lenticularis var. lipocarpa L. P. Janeway 1982-8-13 127 Siskiyou N side of Bear Lake 1814 Comment
  SEINET7566380 Image available Carex luzulina L. P. Janeway 2006-7-2 8733 Siskiyou Deadman Peak 7.5' Quad. Klamath Ranges, Salmon Mountains, near minor drainage to South Fork Scott River from the west, 1.6 km north of Carter Meadows Summit. 1728 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
  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
  HSC76389  Carex mendocinensis L. P. Janeway 1982-6-22 19 Siskiyou 400 m NE of West Branch Guard Station along the road into Indian Creek, near small creek crossing 671 Comment
  HSC59011  Carex mertensii Marvin Butler 1971-7-21 179 Siskiyou Near Bell Echo Camp, close to the town of Cave Junction 1433 Comment
  SEINET7567128 Image available Carex mertensii Frederick W. Oettinger 1969-8-6 1233 Siskiyou Salmon Mountains, High Lake Basins in the vicinity of English Peak Marble Mountain Wilderness Area, White Pine Meadow, northwest of Pine Lake. 1882 Comment
  HSC37143  Carex multicaulis J. O. Sawyer 1968-6-25 312 Siskiyou Along Horse Range Creek 1829 Comment
  HSC97418  Carex multicaulis Jennifer Whipple 1976-6-12 983 Siskiyou S face of Mount Eddy draining into the N Fork of the Sacramento River 2317 Comment
  UC833301  Carex multicaulis A. A. Heller 1922-7-3 13675 Siskiyou w Wagon creek; Mt. Eddy 2225 Comment
  UCD140652  Carex multicaulis John Thomas Howell 1937-7-26 13556 Siskiyou Caribou Gulch. Comment
  CHSC40193  Carex multicostata L. P. Janeway 1983-9-22 689 Siskiyou On ridge nw of Poker Flat (the Siskiyou crest). 1584 Comment
  RSA739623  Carex multicostata L. P. Janeway 2008-7-25 9502 Siskiyou Klamath Ranges, Siskiyou Mtns, 3.2 air km SW of cook and Green Pass, 0.4km SE of Red Butte 1737 Comment
  CAS-BOT-BC32278  Carex multicostata Lewis Samuel Rose 37593 Siskiyou S slope of Mt. Shasta 1767 Comment
  HSC76963  Carex multicostata K. T. Stillman 1976-7-30 328 Siskiyou Marble Mountain Wilderness Area, Elk Valley Comment
  CHSC39003  Carex nebrascensis J. D. Jokerst 1983-7-5 1829 b Siskiyou Atkin's Meadow. Ca 15 air miles east of McCloud. Comment
  UC618742  Carex nervina J. W. Stacey 1938-7-15 11255 Siskiyou Wagon Camp Mount Shasta Comment
  CAS-BOT-BC21131  Carex nigricans Gote Wilhelm Turesson; Carl Gustav Alm 1938-7-19 499 Siskiyou Mount Shasta, southern slope. 2743 Comment
  CAS-BOT-BC119643  Carex nigricans William Bridge Cooke 1938-7-18 11484 Siskiyou Springs, Mt. Shasta. 2499 Comment
  HSC29665  Carex nigricans Frederick W. Oettinger, R. F. Thorne 1969-8-4 1164 Siskiyou Marble Mtn. Wilderness Area, Diamond Lake 2073 Comment
  UCR45815  Carex nudata L. P. Janeway 1984-6-21 461 Siskiyou Dillon Mtn. Q., East side of Klamath River at Persido Bar. 213 Comment
  POM80405  Carex nudata E. B. Copeland 1903-7-4 3541 Siskiyou Klamathon Comment
Read comments
Jan 23 2011
  SEINET7569410 Image available Carex nudata David Castaner 1989-6-19 10239 Siskiyou Along Highway 3, between Callahan and Gazelle. Comment
  CAS-BOT-BC123135  Carex pachycarpa William Henry Brewer 1862-9-13 1398 Siskiyou Mount Shasta 2743 Comment
  CAS-BOT-BC119203  Carex pachystachya A. A. Heller 1916-7-20 12468 Siskiyou Near Wagon Creek Falls, E side of Mt. Eddy 1524 Comment
  CHSC71507  Carex pellita Vernon H. Oswald; Lowell Ahart 1998-7-21 9353 Siskiyou Northeast of Weed and south of Macdoel in an area of marshes and wet meadow along Old State Highway on the west side of Bray. 1417 Comment
  JEPS63701  Carex pellita W. L. Jepson 1914-8-13 5792 Siskiyou Sisson 1097 Comment
  UC1586947  Carex pellita Juha Pykala and D. H. Norris 1987-7-7 2350 Siskiyou w Weed (Stewart Springs road, near old Highway 99) 930 Comment
  LA17781  Carex phaeocephala J. W. Stacey; 1940-7-26 15386 Siskiyou Mount Shasta, in the vicinity of Merriam's timberline on the W side of Shastina 2743 Comment
  CHSC106316  Carex praegracilis Lowell Ahart; John Dittes 2010-7-30 16951 Siskiyou South side of a water ditch, at the edgee of the dry upland, about 30 yards south of the Shasta River, about 80 yards west of the pipe across the Shasta River, about 200 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
  UC144465  Carex praegracilis A. A. Heller 1905-6-20 8072 Siskiyou Gazelle Comment
  HSC67703  Carex rostrata John S. Palmer 1980-7-24 603 Siskiyou Elk Hole 1503 Comment
  HSC76830  Carex rostrata L. P. Janeway 1982-7-2 37 Siskiyou Poker Flat, end of FS Rd. 18N33 1524 Comment
  CAS-BOT-BC117907  Carex scabriuscula John Thomas Howell 1937-7-29 13673 Siskiyou North side of Scott Mt. Comment
  HSC76826  Carex scabriuscula L. P. Janeway 1982-8-14 134 Siskiyou Just E of Elk Wallow 1646 Comment
  JEPS121651  Carex scabriuscula Danielle Roach 2011-9-15 Siskiyou Tamarack Flat, north of Mt. Eddy. Flat meadow on ultramafic soil. South China Mountain quadrangle. TF1_B Comment
  CAS-BOT-BC28344  Carex scopulorum var. bracteosa John Thomas Howell 1939-8-10 15281 Siskiyou Sky High Valley, Marble Mts. 1828 Comment
  JEPS123408  Carex scopulorum var. bracteosa Julie Kierstead Nelson with Don Lepley, Rhonda Posey 2015-8-13 2015 -129 Siskiyou Headwaters of west fork Parks Creek, 2 miles NE of China Mountain. Comment
  HSC45963  Carex serratodens J. P. Smith, Steve Selva 1970-6-15 3945 Siskiyou Road between Forks of Salmon and Cecilville. 579 Comment
  UC1108382  Carex spectabilis Philip A. Munz 1960-8-22 24177 Siskiyou Panther Meadows Mt. Shasta 2316 Comment
  UC1265389  Carex spectabilis Frederick W. Oettinger 1968-9-5 709 Siskiyou s end Diamond Lake; Salmon Mountains, Marble Mountain Wilderness 2072 Comment
  UC1265456  Carex spectabilis Frederick W. Oettinger 1968-9-9 798 Siskiyou above Tom's upper Pond (n of Tom's Lake); Salmon Mountains, Marble Mountain Wilderness Area 2011 Comment
  CAS-BOT-BC115858  Carex subfusca Louis C. Wheeler 1934-6-22 2754 Siskiyou Cottonwood Creek. 914 Comment
  SEINET7577190 Image available Carex subfusca Ray Tallent 1987-8-13 916 Siskiyou Klamath National Forest. Forest Rd 39N11 at Little Jackson Creek; Along road. 1740 Comment
  UC1021829  Carex subfusca J. M. Tucker 1950-7-24 1951 Siskiyou ca. 6 mi nw Pilgrim Creek Experiment Station (beside Cold Creek at the Military Road crossing); Mount Shasta, Cold Creek Comment
  UC822440  Carex subfusca John Thomas Howell 1939-8-3 15004 Siskiyou Spirit Lake Marble Mts. 1828 Comment
  RSA577423  Carex subfusca L. C. Wheeler 1934-6-22 2754 Siskiyou Cottonwood Creek, Siskiyou Mountains. Mt. Diablo Mer. 915 Comment
  HSC101889  Carex utriculata Dana York 2011-9-9 3094 Siskiyou Klamath National Forest, a few meters inside Marble Mountain Wilderness at Isinglass Lake. 1985 Comment
  CHSC38988  Carex vesicaria J. D. Jokerst 1983-7-5 1829 A Siskiyou Along the upper edges of the wet meadow. N end of Atkin's Meadow, ca 15 air miles east of McCloud. Comment
  LA41290  Cassiope mertensiana John Thomas Howell; 1937-7-25 13443 Siskiyou Caribou Basin, Salmon-Trinity Alps 1981 Comment
  UC142949  Cassiope mertensiana subsp. ciliolata Dr. E. B. Copeland 1903-8-18 3898 Siskiyou Mt. Eddy 2590 Comment
  HSC19023  Castilleja applegatei J. O. Sawyer 1969-6-12 920 Siskiyou Along C.C.C. road just S of Sugar Creek 1463 Comment
  CAS-BOT-BC241143  Castilleja applegatei subsp. pinetorum John Thomas Howell 1937-7-29 13642 Siskiyou Scott Mt. between Trinity and Siskiyou cos. Comment
  HSC26117  Castilleja applegatei subsp. pinetorum J. P. Smith, J. O. Sawyer, Maralyn O'Meara 1972-7-3 5686 Siskiyou E slope of Kangaroo Mtn. above Toehead Lake. 1890 Comment
  HSC604  Castilleja applegatei subsp. pinetorum William J. Ferlatte 1967-7-26 751 Siskiyou Caribou Basin, Sawtooth Ridge 2287 Comment
  UC138771  Castilleja applegatei subsp. pinetorum Copeland 1903-8-14 3883 Siskiyou Sisson Comment
  RSA789826  Castilleja applegatei subsp. pinetorum Rebecca Wenk 2005-7-20 354 Siskiyou National Forest Road 17, 1 mile down road to the north, heading towards Mt. Shasta. Comment
  CAS-BOT-BC243747  Castilleja applegatei var. pinetorum B. Bartholomew 1988-5-12 4087 Siskiyou 4 kkm E of Hambone Butte between Hambone Butte and the N end of White Horse Mountains on Old Two Camp Road 1140 Comment
  JEPS19005  Castilleja arachnoidea H. K. Wagnon 1957-8-11 1699 Siskiyou 1 mi w Military Pass Rd. (along rd to Brewer Creek, e slope of Mt Shasta); North Coast Ranges, Mt. Shasta Comment
  JEPS79758  Castilleja arachnoidea L. R. Heckard 1967-8-14 1730 Siskiyou sw flank Mt. Shasta (above Horse Camp); sw flank of Mt. Shasta 2560 Comment
  JEPS84184  Castilleja arachnoidea L. R. Heckard with J. Hickman et al. 1986-7-17 6493 Siskiyou ca 14.5 mi from Hwy 96 (Walker) (Oak Knoll Ranger Station road to Condrey Mt., near Dry Lake); road to Condry Mt., near Dry Lake 1950 Comment
  UC1096789  Castilleja arachnoidea H. K. Wagnon 1957-8-11 1694 Siskiyou 6 mi w Military Pass Rd. (along Brewer Creek, e slope of Mount Shasta); Mt. Shasta, Brewer Creek Comment
  UC705753  Castilleja arachnoidea Marion Ownbey, Fred G. Meyer 1940-7-5 2180 Siskiyou e side Mt. Shasta (well below timber line) Comment
  JEPS4513  Castilleja lacera Geo. D. Butler 1909-6-20 932 a Siskiyou near Yreka; Upper Portugese Ditch Comment
  CAS-BOT-BC254005  Castilleja miniata J. H. Thomas; H. A. Thomas 1954-7-25 4533 Siskiyou Salmon-Trinity Mts. Vicinity of Rush lake and Rush Creek meadow. About 9 miles E of Cecilville. 1981 Comment
  HSC19170  Castilleja miniata J. O. Sawyer 1969-7-24 1506 Siskiyou SE facing slope W of Sugar Lake 1905 Comment
  UC103511  Castilleja miniata J. W. Congdon 1900-8-13 Siskiyou base Mt. Shasta Comment
  POM42531  Castilleja miniata Geo. D. Butler 1910-6-3 1472 Siskiyou [?] Valley. Comment
  RSA43901  Castilleja miniata H. M. Pollard 1947-9-6 s.n. Siskiyou Dillons Mt. Forest Road. Comment
  HSC61198  Castilleja miniata subsp. elata Al Hobart 1967-8-8 Siskiyou El Capitan Comment
  CHSC75630  Castilleja pilosa Vernon H. Oswald; Kenneth Beatty 1999-6-27 9791 Siskiyou Northeast of Grass Lake and south of Juanita Lake on FR 45N20 between Hwy. 97 and Martin Dairy Campground. 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
  HSC19019  Castilleja pruinosa J. O. Sawyer 1969-7-9 1243 Siskiyou W facing slope above Bingham Lake 2317 Comment
  UC1409379  Castilleja pruinosa Frederick W. Oettinger 1968-8-2 368 Siskiyou ne of Diamond Lake (vicinity of English Peak); Salmon Mountains, Marble Mountain Wilderness Area, English P 2087 Comment
  UC705595  Castilleja pruinosa Marion Ownbey, D. H. Brown 1941-6-22 2422 Siskiyou nw of Yreka (w of Craggy Mountain) Comment
  RSA50156  Castilleja pruinosa E. K. Balls 1949-7-9 13948 Siskiyou Salmon Mts. summit of pass on rd from Etna to Sawyer's Bar. 1479 Comment
  SBBG116569  Ceanothus arcuatus D. Wilken with E. Painter 2003-7-16 16153 Siskiyou near S Fk of Salmon River, near mouth of Butcher Gulch, ca. 6 linear km WNW of Cecilville 610 Comment
  CAS-BOT-BC48647  Ceanothus cordulatus Carl B. Wolf 1941-7-25 11072 Siskiyou 2 mi. E. of McCloud on Calif. Highway #89 1219 Comment
  UC61166  Ceanothus cordulatus W. A. Setchell, C. C. Dobie 1902-7-13 Siskiyou Sisson Mt. Shasta Comment
  CAS-BOT-BC49191  Ceanothus cuneatus Doris K. Kildale 1929-6-25 8370 Siskiyou Klamath River, 6 miles north of Hornbrook 609 Comment
  CAS-BOT-BC49192  Ceanothus cuneatus Doris K. Kildale 1929-7-20 8545 Siskiyou Trail to Preston Peak along South Fork Indian Creek 2133 Comment
  RSA399046  Ceanothus cuneatus Bonnie C. Templeton 1960-6-21 8534 Siskiyou Between California State line and the Agricultural Inspection Station Comment
  RSA639073  Ceanothus cuneatus Louis C. Wheeler 1958-8-19 7402 Siskiyou Seiad Creek Mine. Comment
  RSA712073  Ceanothus cuneatus C. L. schmidt 1990-6-22 1265 Siskiyou 4 miles E of Dana on A19 to Spring Creek Road. then 5.2 miles up Spring Creek road then 1.5 miles on jeep road near Timbered Crater, on old lava flow. 1006 Comment
  CAS-BOT-BC63607  Ceanothus integerrimus Mrs. Pettibone 1894-8-8 s.n. Siskiyou Upper Soda Springs. Comment
  JEPS42461  Ceanothus integerrimus W. L. Jepson 1902-7-17 2063 A Siskiyou Devil's Backbone 1828 Comment
  UC144555  Ceanothus integerrimus A. A. Heller 1905-6-1 7926 Siskiyou Between Dunsmuir and Upper Soda Springs Comment
  RSA136296  Ceanothus integerrimus var. californicus Geo. D. Butler 1920-5-21 1381 Siskiyou Sikiyou county: Klamath hills Comment
  POM85993  Ceanothus integerrimus var. macrothyrsus Geo. D. Butler 1910-5-21 1381 Siskiyou Klamath hills Comment
  RSA399889  Ceanothus integerrimus var. peduncularis M. B. Dunkle 1944-7-7 9075 Siskiyou Deer Creek. 1768 Comment
  CAS-BOT-BC53095  Ceanothus prostratus Elizabeth McClintock; Wayne Roderick; Martha Roderick 1967-7-29 s.n. Siskiyou West side of Gumboot Lake, Trinity Mts. 1828 Comment
  RSA14414  Ceanothus prostratus Elmer I. Applegate 1929-6-18 5740 Siskiyou [No location data on label] Comment
  UC455334  Ceanothus prostratus I. J. Condit 1911-7-5 Siskiyou near Shasta Retreat (Mt. Bradley); Mt. Bradley Comment
  CAS-BOT-BC52171  Ceanothus pumilus Geo. D. Butler 1909-4-24 907 Siskiyou Greenhorn road Comment
  CAS-BOT-BC52172  Ceanothus pumilus Herbert L. Mason 1947-5-17 14760 Siskiyou Five miles south of Callahan, on Scott Mountain road Comment
  JEPS42104  Ceanothus pumilus Geo. D. Butler 1909-4-24 907 Siskiyou Greenhorn Mt. 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
  RSA184762  Ceanothus velutinus Gilbert Muth 1966-7-30 141 Siskiyou Marble Valley, Marble Mtns. 1793 Comment
  RSA82882  Ceanothus velutinus J. M. Tucker 1950-7-23 1938 Siskiyou Beside road to Panther Meadows, S slope of Mt Shasta. 1524 Comment
  CDA15535  Ceanothus velutinus var. laevigatus G. F. Hrusa 1998-7-5 14703 Siskiyou Siskiyou Mountains; Cedar Camp Rd. +- 5 mi. E of Weitchpec on Hwy 96. N side of Hwy. Mile 8.8. Comment
  HSC99816  Ceanothus velutinus var. velutinus G. L. Clifton, Griswold 1979-6-27 6088 Siskiyou Near Shackleford Creek, close to the town of Greenview 1342 Comment
  CDA7338  Centaurea squarrosa T. C. Fuller 1969-7-1 18618 Siskiyou Hawkinsville, just north of Yreka. 0 Comment
  CAS-BOT-BC384868  Cerastium Gilbert Muth 1965-8-18 s.n. Siskiyou Trail behind Black Mountain Comment
  UC465650  Cerastium arvense Annie M. Alexander and L. Kellogg 1911-7-16 256 Siskiyou S. Fork Salmon R. 1524 Comment
  CAS-BOT-BC400179  Ceratophyllum demersum Edward Lee 1934-8-12 1240 Siskiyou South side of the Klamath River near the mouth of Walker Creek (east end of Seiad Valley) 426 Comment
  UC15101 Image available Cercis occidentalis Milo S. Baker 1893-6 Siskiyou 6 mi below Bartles; McCloud River Comment
  UC375377  Cercocarpus betuloides var. macrourus Geo. D. Butler 1908-7-4 286 Siskiyou Shasta River, near the mouth Shasta River Comment
  CAS-BOT-BC148516  Cercocarpus ledifolius var. ledifolius John Thomas Howell 1937-7-25 13467 Siskiyou Caribou Basin, Salmon-Trinity Alps 2286 Comment
  CAS-BOT-BC148519  Cercocarpus ledifolius var. ledifolius Geo. D. Butler 1910-5-4 1274 Siskiyou Near Yreka Comment
  CAS-BOT-BC148526  Cercocarpus ledifolius var. ledifolius Alice Eastwood 1912-8-30 1995 Siskiyou Mount Eddy Comment
  CAS-BOT-BC148529  Cercocarpus ledifolius var. ledifolius Ira L. Wiggins 1950-5-28 12377 Siskiyou Serpentine ridge just above Grouse Lake, headwaters of Grouse Creek 1828 Comment
  UC1539981  Cercocarpus ledifolius var. ledifolius M. H. Mitchell 1936-5-21 Siskiyou Modoc Lava Beds National Monument, s of the road to Devil's Gate Modoc Lava Beds National Monument 1310 Comment
  RSA120871  Chaenactis carphoclinia H. K. Wagnon 1957-8-11 1698 Siskiyou East slope of Mt. Shasta on rd. to Brewer Cr., 3 mi. W of Military Pass Rd. Comment
  SD88331  Chaenactis douglasii var. achilleifolia Darley F. Howe 1972-7-8 Siskiyou 11.5 miles north of Weed on Highway 97. 1220 Comment
  CHSC69069  Chaenactis douglasii var. douglasii Vernon Oswald; Lowell Ahart 1997-7-28 8769 Siskiyou Forest Route 49 (Powder Hill Rd.) at 41N03 (to Porcupine Butte), 16 mi south of Medicine Lake. 1365 Comment
  CHSC98746  Chaenactis douglasii var. douglasii L. P. Janeway; B. Castro 2007-7-29 9138 Siskiyou High Cascade Range. Medicine Lake Highlands; Pumice Stone Mountain, very steep north-facing slope near the top of the northwest-trending shoulder. 2067 Comment
  UC1170098  Chaenactis douglasii var. douglasii unknown 1956-7-16 30293 Siskiyou above Hotlum Station (along old loggin road; n side of Mount Shasta); Mount Shasta 1524 Comment
  UC54083  Chaenactis douglasii var. douglasii H. M. Hall and E. B. Babcock 1903-6-1 4117 Siskiyou Mount Shasta, at n base Sierra Nevada Mountains, Mount Shasta 1524 Comment
  UC904784  Chaenactis douglasii var. douglasii unknown 1949-8-26 25679 Siskiyou above Bolam Station; Mount Shasta 2133 Comment
  RSA142692  Chaenactis douglasii var. douglasii Philip A. Munz 1960-8-22 24179 Siskiyou Panther Meadows, Mt. Shasta 2378 Comment
  UC1299290  Chaenactis douglasii var. douglasii Freed W. Hoffman 1948-7-13 2628 Siskiyou 8.4 mi n of Tennant (on Butte Creek road) 1295 Comment
  SEINET11856212  Chaenactis suffrutescens H. M. Hall, Babcock, E. B. 1903-1 4081 Siskiyou Sierra Nevada Mountains, upper part of Shasta Valley, Mount Shasta 1158 Comment
  CAS-BOT-BC141585  Chamaebatiaria millefolium Oliver V. Matthews 1939-7-13 35 Siskiyou Goose Nest Grove-Goose [Gosse] Nest Region 1828 Comment
  SEINET10483290  Chamaebatiaria millefolium Mary Susan Taylor 1980-8-19 Taylor 3267 B Siskiyou T43N R1E nw sec 19, Medicine Lake quad. Shasta-Trinity Natl Forest, in pumice/ obsidian outcrops, SE side of Little Glass Mountain. With J. Prouty & E. Heinz. 1951 Comment
  HSC69224  Chamaecyparis lawsoniana Maralyn A. Renner 1980-8-31 2620 Siskiyou Twin Valley. 1494 Comment
  HSC31347  Chamaesaracha nana D. H. Norris, T. Nelson, S. Dowty 1971-6-23 19528 Siskiyou Snowman's Hill Summit 3 mi. W of McCloud on Hwy. 89 Comment
  JEPS9107  Chamaesaracha nana W. L. Jepson 1940-7-1 20087 Siskiyou 6 mi e McCloud (Fowlers Camp); McCloud River 975 Comment
  RSA572328  Chamaesyce serpillifolia W. Bridge Cooke 1940-7-12 15332 Siskiyou Along the Memorial Highway. 1372 Comment
  UC163690  Chamaesyce serpyllifolia Geo. D. Butler 1908-7-14 445 Siskiyou near Yreka Comment
  UC375364  Chamaesyce serpyllifolia Geo. D. Butler 1908-7-14 Siskiyou along creek near Yreka Comment
  CAS-BOT-BC165985  Chamerion angustifolium Gilbert Muth 1965-8-4 s.n. Siskiyou Marble Valley Comment
  CAS-BOT-BC166095  Chamerion angustifolium subsp. circumvagum Edward Lee 1934-8-13 1069 Siskiyou Happy Camp - Waldo (Oregon) Road. Watershed of West Branch of Indian Creek. Klamath Nat. Forest 1371 Comment
  HSC96826  Chamerion angustifolium subsp. circumvagum S. Lyon 2006-7-18 11 Siskiyou E side of Eddy Gulch Rd., 3 mi. S of intersection with Sawyers Bar Rd. 915 Comment
  UC1597994  Cheilanthes gracillima Alan R. Smith with Christopher Richard, and C. Don MacNeill 1993-5-10 2555 Siskiyou e rim Mammoth Crater; Lava Beds Nat'l Monument 1645 Comment
  UC637173  Cheilanthes gracillima Edward Lee 1934-8-14 1108 Siskiyou summit Little Grayback 1868 Comment
  UC399610  Cheilanthes gracillima Geo. D. Butler 1910-3-13 1126 Siskiyou rocky bluff on Klamath River Comment
  JEPS59737  Chenopodium botrys Willis L. Jepson 1894-8-9 14859 Siskiyou near Shasta Sprs.; Region of the Upper Sacramento, Horseshoe Bend Comment
  UC637128  Chenopodium pumilio Edward Lee 1934-8-15 1129 Siskiyou summit of Happy Camp to Waldo (OR) road Klamath National Forest, Indian Creek watershed 1615 Comment
  CHSC75698  Chenopodium vulvaria Vernon H. Oswald; Lowell Ahart 1999-7-5 9797 Siskiyou Gazelle-Callahan Hwy. 9.0 mi west of Gizelle. 914 Comment
  CLARK-A1528-7839  Chenopodium vulvaria John C. Roos 1948-9-1 3985 Siskiyou Fort Jones Comment
  JEPS83881  Chimaphila menziesii Wayne Roderick July 1976 Siskiyou vicinity of Cook & Green Pass; Siskiyou Mts. 1463 Comment
  HSC19320  Chimaphila umbellata J. O. Sawyer 1968-7-2 362 Siskiyou Upper drainage of Joe Creek 1677 Comment
  UC876107  Chimaphila umbellata John Thomas Howell 1937-7-26 13559 Siskiyou Caribou Gulch Comment
  SD73153  Chimaphila umbellata Darley F. Howe 1969-8-30 Siskiyou North Fork of Salmon River, Blake's Creek, about 20 miles southwest of Aetna 1829 Comment
  CAS-BOT-BC36385  Chrysolepis chrysophylla Doris K. Kildale 1929-7-20 8660 Siskiyou Trail up South Fork of Indian Creek to Elk Lick Comment
  JEPS37852  Chrysolepis chrysophylla Geo. D. Butler 1908-8-26 491 Siskiyou w side Salmon Mountain (along grade) 1524 Comment
  HSC33958  Chrysolepis sempervirens J. P. Smith 1974-5-25 7429 Siskiyou Near junction of Rd. 8 with French Creek Rd. 1280 Comment
  HSC4938  Chrysolepis sempervirens J. O. Sawyer 1968-6-25 331 Siskiyou 1646 Comment
  UC61174  Chrysolepis sempervirens W. A. Setchell, C. C. Dobie 1902-7-13 Siskiyou Sisson; Mount Shasta 1066 Comment
  UCD110140  Chrysolepis sempervirens C. H. Merriam 1898-9-1 s.n. Siskiyou From south side of Mt. Shasta. 914 Comment
  UCD110154  Chrysolepis sempervirens J. M. Tucker 1947-5-17 1555 Siskiyou ca. 5 miles southeast of Callahan, beside road up Scott Mountain. Comment
  UCR37810  Chrysopsis villosa var. hispida K. T. Stillman 1976-9-9 467 Siskiyou Marble Mtn Wilderness Area, Marble Mtn Guard Station, Scott Bar 15' Q. Comment
  UC904776  Chrysothamnus viscidiflorus subsp. viscidiflorus W. Bridge Cooke 1949-8-26 25689 Siskiyou opposite Coquette Falls (e bank of Bolam Creek); Mount Shasta, Bolam Creek 2590 Comment
  JEPS16947  Cirsium andersonii Peter H. Raven 1956-9-4 10377 Siskiyou on the ridge s Mount Eddy 2286 Comment
  RSA0070845  Cirsium andersonii Thomas W. Nelson, Jane P. Nelson, J. P. Smith 1978-7-24 4545 Siskiyou Along State Route 3, just N of Scott Mountain Summit. 1585 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
  CAS-BOT-BC105781  Cirsium ciliolatum T. C. Fuller; D. M. Shaw 1977-8-30 20220 Siskiyou South side of Willow Creek road, west slope of Willow Creek Mtn., 21 km. northeast of Montague 1370 Comment
  CAS-BOT-BC279893  Cirsium douglasii var. breweri Alice Eastwood 1917-9-2 6667 Siskiyou Shasta Springs Comment
  CAS-BOT-BC32849  Cirsium douglasii var. breweri Alice Eastwood 1912-7-17 1199 Siskiyou Sisson Comment
  UC30778  Cirsium douglasii var. breweri W. A. Setchell, C. C. Dobie 1902-7-15 A Siskiyou Sisson Mount Shasta, Sisson Comment
  CAS-BOT-BC288015  Cirsium occidentale var. candidissimum L. R. Abrams 1922-8-6 9901 Siskiyou Klamath River 6 mi. below Hornbrook Comment
  JEPS59330  Cirsium occidentale var. candidissimum W. L. Jepson 1940-6-22 19976 Siskiyou near Hawkinsville; Shasta River 792 Comment
  CAS-BOT-BC288773  Cirsium remotifolium John Thomas Howell 1939-8-4 15033 Siskiyou Between Elk Mt and Marble River, Marble Mts Comment
  CAS-BOT-BC285894  Cirsium vulgare Doris K. Kildale 1928-7-1 5321 Siskiyou Forks of Salmon, Salmon River Comment
  CAS-BOT-BC228955  Cistanthe umbellata F. D. Douthitt 1923-7-13 3 Siskiyou Klamath National Forest, Dry Lake Mt. 2133 Comment
  CAS-BOT-BC164164  Clarkia concinna L. B. Kildale 1930-6-1 9717 Siskiyou Salmon River between Oak Bottom and Somes Bar Comment
  JEPS25540  Clarkia lassenensis Rimo Bacigalupi with Lincoln Constance 1959-6-17 7157 Siskiyou 4 mi ne Weed (slopes across from junction of Big Springs Road with U.S. 97) 1066 Comment
  JEPS69756  Clarkia purpurea subsp. quadrivulnera W. B. and V. G. Cooke 1972-6-30 45411 Siskiyou above Andesite crossing (Military Pass Road); Mt. Shasta Comment
  UC1034589  Clarkia purpurea subsp. quadrivulnera Douglas Barbe 1955-7-1 73 Siskiyou 1.3 mi e Etna (s of the Westside Rd. to Callahan); Klamath Mountains 853 Comment
  UC454552  Clarkia rhomboidea I. J. Condit 1911-7-31 Siskiyou along S.P.R.R. Shasta Springs Comment
  RSA237655  Clarkia rhomboidea Frederick W. Oettinger, Robert F. Thorne 1969-8-5 1212 Siskiyou Hot area near English Lake Trail above Willow Spring. The Salmon Mountains. The High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1677 Comment
  UC1046531  Claytonia cordifolia R. Bacigalupi, L. Constance, J. P. Tracy, R. Moran, R. L. Rodriguez, and S. Carlquist 1951-6-16 3443 Siskiyou Takilma-Happy Camp road; exactly at Oregon-California State line 1432 Comment
  CHSC1364  Claytonia lanceolata V. Holt 1936-5-24 Siskiyou Mt. Shasta. Comment
  CDA23956  Claytonia perfoliata G. D. Barbe, J. T. Howell, T. C. Fuller 1980-4-28 2595 Siskiyou Between Old Highway 99 and railroad 4 km south of Grenada. Comment
  JEPS43385  Claytonia rubra Geo. D. Butler 1909-3-24 676 Siskiyou Oro Fino Comment
  SEINET5336423  Claytonia rubra subsp. rubra G. Butler 1910-5-5 1289 Siskiyou Humbug Mountain 1219 Comment
  CAS-BOT-BC443862  Claytonia sibirica Wm. Bridge Cooke 1938-6-24 11182 Siskiyou Mount Shasta. Bear Springs Comment
  HSC30284  Claytonia sibirica William J. Ferlatte 1969-6-25 1178 Siskiyou Big Flat, near public camp 1524 Comment
  UC61655  Clematis ligusticifolia Geo. B. Grant September 1902 5215 Siskiyou Mt. Shasta, Dunsmuir 609 Comment
  HSC19259  Clintonia uniflora J. O. Sawyer 1968-7-10 485 Siskiyou Floodplain of Sugar Creek near Sugar Lake. 1799 Comment
  CAS-BOT-BC500963  Clintonia uniflora I. J. Condit 1911-7-1 s.n. Siskiyou Sisson Comment
  CAS-BOT-BC500967  Clintonia uniflora Geo. D. Butler 1910-6-5 1478 Siskiyou Shackleford Creek Comment
  UCSB18255  Collinsia linearis Breedlove, Dennis 1962-6-10 Siskiyou on roadbank along Indian Creek Road; 11.7 miles northwest of Happy Camp; Siskiyou Mountains 594 Comment
  CAS-BOT-BC412801  Collinsia linearis Clarence R. Quick 1958-6-17 58 -20 Siskiyou Along telephone line near Black Bear Summit south of Sawyer's Bar on ridge road to Cecilville 1356 Comment
  JEPS25710  Collinsia linearis P. C. Hutchison 1961-5-22 2040 Siskiyou 2.7 mi n Clear Creek (on US 299; w side of Klamath River, 5.7 m s of Happy Camp); Klamath River Comment
  HSC77022  Collinsia parviflora K. T. Stillman 1976-6-25 55 Siskiyou Marble Mtn. Wilderness Area, SW facing slope. 1921 Comment
  JEPS66321  Collinsia parviflora L. R. Heckard with T. I. Chuang 1971-6-16 2585 Siskiyou ca 2 mi n Weed (along US Hwy 97) 1066 Comment
  HSC36892  Collinsia parviflora J. P. Smith 1974-5-26 7536 Siskiyou Along FS 47N03, Chandler Glade 1768 Comment
  HSC74914  Collinsia rattanii J. P. Smith 1978-5-28 9951 Siskiyou Along the N Fork of the Salmon River near Little Rattlesnake Gulch 732 Comment
  HSC25480  Collinsia torreyi J. P. Smith, J. O. Sawyer, Maralyn O'Meara 1972-7-3 5721 Siskiyou E slope of Kangaroo Mtn., above Toehead Lake. 1890 Comment
  CHSC96028  Collinsia torreyi var. latifolia L. P. Janeway 2006-7-3 8751 Siskiyou Klamath Ranges. Salmon Mountains; along Music Creek Trailhead near upper Music Creek. 1893 Comment
  RSA145235  Collinsia torreyi var. latifolia Dorothy Parker 1958-7-30 686 Siskiyou Above Taylor Hole, Salmon Mts. 2012 Comment
  RSA211393  Collinsia torreyi var. latifolia William J. Ferlatte 1966-7-7 193 Siskiyou Caribou Basin. Trinity Alps. 1982 Comment
  UC1190265  Collinsia torreyi var. latifolia Ira L. Wiggins 1955-7-24 13493 Siskiyou Ridge between upper reaches of China and Blind Horse Creeks Blind Horse Creek 1645 Comment
  UC52839  Collomia grandiflora W. A. Setchell, C. C. Dobie 1902-7-13 Siskiyou Sisson Comment
  HSC19057  Collomia heterophylla J. O. Sawyer 1969-7-1 959 Siskiyou Ridge above Paynes Lake Creek 1433 Comment
  UCSB3064  Collomia heterophylla Hardham, Clare 1965-8-20 Siskiyou Granite Trail; Cudahy Lakes; Marble Mountains 1219 Comment
  HSC16937  Collomia linearis R. C. Wunner 1965-6-6 78 Siskiyou Lava Beds N. M., 0.1 mi. on Rd. to Caldwell Ice Cave 1372 Comment
  UC1059038  Collomia tinctoria W. Bridge Cooke 1956-7-16 30306 Siskiyou along old logging road above Hotlum Station (n side of mountain); Mount Shasta Comment
  UC902031  Collomia tracyi Joseph P. Tracy 1949-9-18 18558 Siskiyou on road between Cecilville and Sawyer's Bar; Blue Ridge 1584 Comment
  CAS-BOT-BC180423  Comandra umbellata subsp. californica Wm. F. Herrin 1920-5-1 s.n. Siskiyou Shasta Springs Comment
  UC63990  Corallorhiza maculata Geo. B. Grant September, 1902 5155 Siskiyou Mount Shasta 1219 Comment
  UC375214  Corallorhiza mertensiana Geo. D. Butler 1908-7-20 347 Siskiyou Humbug Mountain Comment
  UCD138907  Corallorhiza mertensiana J. M. Tucker; D. V. Hemphill 1974-7-26 4296 Siskiyou slope above Let 'Er Buck Meadows, ca. 1/2 mile southeast of Haypress Meadows, Marble Mountain Wilderness Area. 1432 Comment
  RSA381991  Corallorhiza mertensiana M. B. Dunkle 1944-7-4 9066 Siskiyou Beaver Creek, Siskiyou National Forest Comment
  JEPS66516  Cordylanthus tenuis subsp. viscidus L. R. Heckard and T. I. Chuang 1971-8-15 2773 Siskiyou 1 mi s of downtown Dunsmuir (below freeway) 822 Comment
  POM43385  Cordylanthus tenuis subsp. viscidus Geo. D. Butler 1908-8-11 25 Siskiyou Quartz Valley near Shakleford Creek. Comment
  RSA240100  Cornus nuttallii Frederick W. Oettinger 1969-8-12 1336 Siskiyou Near theCedars homestead, 2 miles up the main North Fork trail from Mule Bridge enroute to English Peak - shortly before entering the Wilderness area. The Salmon Mountains. High Lake Basins in the vicinity of English Peak., Marble Mountain Wilderness Area. 960 Comment
  UCR198253  Cornus nuttallii Dean Kelch 2007-7-25 07- 501 Siskiyou Indian Creek Road, just south of Greyback Summit 1304 Comment
  SFV5169  Cornus sericea subsp. sericea B. C. Templeton 1960-6-21 8557 Siskiyou Klamath Mountains 2 miles below the summit of Scott Mountain. 1430 Comment
  UC1280732  Cornus sericea subsp. sericea H. E. McMinn 1931-6-27 2513 Siskiyou Mt. Shasta City Comment
  UC144412  Cornus sericea subsp. sericea A. A. Heller 1905-6-15 8043 Siskiyou near Sisson Comment
  JEPS83835  Corylus californica Wayne Roderick Aug 1975 Siskiyou vicinity of Cook and Green Pass, near Summit Siskiyou Mountains 1463 Comment
  CAS-BOT-BC180193  Corylus cornuta subsp. californica John Thomas Howell 1937-7-23 13352 Siskiyou S Fork of Salmon River near Big Flat 1524 Comment
  RSA481445  Corylus cornuta var. californica M. B. Dunkle 1944-6-25 9010 Siskiyou Siskiyou National Forest. 1677 Comment
  CHSC3381  Crataegus suksdorfii Alice L. Stoll 1966-5-14 184 Siskiyou 1 miles N.E. of Callahan. Comment
  HSC35062  Crataegus suksdorfii J. P. Smith 1974-5-25 7642 Siskiyou Along Rd. 8, 4.7 mi. W of its junction with Hwy. 3 1159 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
  HSC5441  Crepis acuminata R. C. Wunner 1965-6-10 146 Siskiyou California Lava Beds N. M. below Caldwell minor; E slope of Caldwell 1402 Comment
  JEPS80550  Crepis acuminata Gilbert Muth 1965-8-11 207 Siskiyou near Rim Trail; Marble Mt. Wilderness Area 2194 Comment
  UC895309  Crepis capillaris Alice Eastwood 1912-7-17 1176 Siskiyou Sisson Comment
  UC313845  Crepis occidentalis J. L. Collins 1927-6-9 Siskiyou Yreka Comment
  UC922491  Crepis occidentalis Annie M. Alexander and Louise Kellogg 1949-7-22 5850 Siskiyou Paradise Lake Marble Mountains 2072 Comment
  CAS-BOT-BC376498  Crepis occidentalis subsp. conjuncta K. T. Stillman 1976-8-7 204 Siskiyou Marble Mountain Wilderness Area 1981 Comment
  CAS-BOT-BC290841  Crepis occidentalis subsp. pumila H. M. Hall; E. B. Babcock 1903-6-1 4116 Siskiyou Sierra Nevada Mountains. Mount Shasta. Near Sheep Rock 1524 Comment
  CAS-BOT-BC290869  Crepis pleurocarpa A. A. Heller 1915-7-16 12104 Siskiyou North side of Mt. Eddy 1371 Comment
  CHSC33064  Crepis pleurocarpa Maralyn A. Renner 1980-8-21 2602 Siskiyou Klamath National Forest. Southwest of trail from Leroy Mine to Sunrise Basin, near ridge. 2286 Comment
  HSC19046  Crepis pleurocarpa J. O. Sawyer 1969-7-18 1390 Siskiyou Head of S Russian Creek 1829 Comment
  HSC82002  Crepis pleurocarpa Thomas W. Nelson, Jane P. Nelson 1979-6-16 4850 Siskiyou Along Hwy. 3, 3.1 mi. N of Scott Mtn. Summit 1280 Comment
  UC1934559  Crepis pleurocarpa P. M. Peterson, J. M. Saarela & C. J. Sears 2006-8-10 19792 Siskiyou Scott Mountain summit, 0.3 mi N of Hwy 3 on Forest Service 40N 08. 509 Comment
  UC581190  Crepis pleurocarpa G. L. Stebbins Jr. and J. A. Jenkins 1937-7-19 2446 A Siskiyou n-facing slope on ridge between Big Mill and Mule Creek (near road from Callahan to Carrville) 1120 Comment
  UC581211  Crepis pleurocarpa E. B. Babcock and G. L. Stebbins Jr. 1936-6-11 1897 Siskiyou about 7 mi sw Yreka (s of hwy from Yreka to Fort Jones); Forest House Mt. 1363 Comment
  UCD77572  Crepis pleurocarpa Robert E. Preston 2002-7-12 1913 Siskiyou Klamath National Forest, Rainbow Mountain. 1913 Comment
  CAS-BOT-BC290866  Crepis pleurocarpa G. L. Stebbins, Jr.; J. A. Jenkins 1937-7-17 2423 Siskiyou East and northeast slope of spur of Rainbow Ridge above Sulloway Creek about 1 1/2 mi. west of Mt. Shasta City 1380 Comment
  HSC39750  Crocidium multicaule J. O. Sawyer 1970-4-4 2084 Siskiyou Along Sugar Creek 823 Comment
  UC1409420  Cryptantha affinis Frederick W. Oettinger 1969-7-11 991 Siskiyou Mt. Chaparral, near the spring along English Lake-Diamond Lake Trail, vicinity of English Peak, w Siskiyou County Salmon Mountains, Marble Mountain Wilderness Area 1897 Comment
  UC726463  Cryptantha affinis A. A. Heller 1919-6-30 13287 Siskiyou near Durney's Mill Comment
  CHSC71475  Cryptantha ambigua Vernon H. Oswald; Lowell Ahart 1998-7-21 9332 Siskiyou Northeast of Weed and east of Grass Lake at a gravel pit on the south side of Tennant Rd. 0.4 mi southeast of Old State Hwy. to Bray. 1402 Comment
  JEPS87644  Cryptantha ambigua Vernon H. Oswald and Lowell Ahart 1994-8-10 6455 Siskiyou ca 4.5 mi (air) ne McCloud (Pilgrim Creek Rd (FS13), just e of Mud Creek, 2.7 mi n of Hwy 89) 1097 Comment
  HSC3598  Cryptantha celosioides R. C. Wunner 1965-6-15 184 Siskiyou Lava Beds National Monument; SE side of Caldwell Butte, ca. 1/2 way down steep red cinder slope above cinder pit 1463 Comment
  JEPS107419  Cryptantha flaccida Lowell Ahart, John Dittes 2005-6-9 12022 Siskiyou Pasture field, on the east side of a poor rock fence, about 350 yards east of where cattle water in the Shasta River, about 3/5 mile (air) south of Highway 99/97 Cutoff, about 2 1/2 miles (air) east-southeast of Grenada 774 Comment
  UC78717  Cryptantha flaccida T. S. Brandegee Jul 1887 Siskiyou Edgewood Comment
  JEPS107318  Cryptantha intermedia Lowell Ahart, John Dittes 2005-6-10 12114 Siskiyou Rocky hillside, north of the rock fence, about 100 yards southeast of the pump house along the Shasta River, about 1.9 miles (air) south of Highway 99/97 Cutoff, about 6 miles (air) east-southeast of Grenada 776 Comment
  UC726047  Cryptantha intermedia A. A. Heller 1938-7-12 15250 a Siskiyou 5 mi n Weed (along U.S. Highway 97) 1066 Comment
  HSC33977  Cryptantha muricata var. jonesii J. P. Smith 1974-5-25 7441 Siskiyou Near junction of Rd. 8 with French Creek Rd. 1280 Comment
  HSC82248  Cryptantha torreyana Thomas W. Nelson, Jane P. Nelson 1980-7-5 5983 Siskiyou Fowler's Campground 1006 Comment
  JEPS67869  Cryptantha torreyana Ira J. Condit 1911-7-3 Siskiyou Shasta Retreat Comment
  RSA47775  Cryptantha torreyana Roxana S. Ferris, Laura Lorraine 1948-6-12 11853 Siskiyou 1.5 miles below summit of Gazelle Mountain grade, east side. 1418 Comment
  CHSC46  Cryptogramma acrostichoides V. Holt 1932-7-12 Siskiyou Castle Lake. 1767 Comment
  HSC65356  Cryptogramma acrostichoides Rich White 1978-7-3 212 Siskiyou Saddle in Spur Ridge between Dillon Trail and 5759 1662 Comment
  NY16601  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
  UC484051  Cupressus bakeri Carl B. Wolf 1930-10-19 1746 Siskiyou 1 mi e of Timbered Butte (on old road from C. W. Hill Farm at Dana to Little Hot Springs Valley); Modoc Lava Beds 1219 Comment
  RSA22768  Cupressus bakeri O. V. Matthews 1939-7-11 32 Siskiyou Near junction of W and E Fork of Seiad Creek, on ridge above company s chromium mine 854 Comment
  RSA237965  Cuscuta occidentalis Frederick W. Oettinger 1968-8-11 474 Siskiyou SEE of Tom Taylor Cabin. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2027 Comment
  UCD121386  Cycladenia humilis Robert E. Preston 1996-7-23 982 Siskiyou 0.1 mi w of Forest Route 49, near Jot Dean Ice Caves. Comment
  UC618828  Cycladenia humilis var. humilis unknown 1938-7-28 11380 Siskiyou ridge n. of Horse Camp (Mt. Shasta); Mt. Shasta Comment
  JEPS109696  Cypripedium californicum Dean W. Taylor 2002-7-20 18254 Siskiyou Forest Road 17 ca. 3.3 miles west (above) junction with Stewart Springs Road, Parks Creek 1524 Comment
  CAS-BOT-BC70706  Cystopteris fragilis L. B. Kildale 1930-6-1 9851 Siskiyou Summit between Sawyers Bar and Etna Mountain Comment
  HSC29364  Cystopteris fragilis Frederick W. Oettinger 1969-7-9 944 Siskiyou Marble Mtn. Wilderness Area, NW of Upper English Lake 1799 Comment
  UC1265413  Dactylis glomerata F. W. Oettinger 1968-9-6 739 Siskiyou Bear Meadow Tom's Lake Region (Salmon Mountains, W Siskiyou Co.); Salmon Mountains, Tom's Lake Region 2186 Comment
  HSC19078  Danthonia intermedia subsp. intermedia J. O. Sawyer 1969-8-2 1703 Siskiyou E facing slope W of Little Duck Lake 2317 Comment
  CAS-BOT-BC76231  Darlingtonia californica Ira L. Wiggins 1950-5-28 12370 Siskiyou On side of ridge above Grouse Creek, about 1.5 mile from Carmen Lake. 1584 Comment
  CAS-BOT-BC76232  Darlingtonia californica David D. Keck 1938-8-8 4866 Siskiyou At Trinity county line. Scott Mountain Divide, between Scott Mountain and Craggy Peak. 1676 Comment
  CAS-BOT-BC76238  Darlingtonia californica Elmer I. Applegate 1895-5-28 25 Siskiyou Eighteenth crossing of the Sacramento River below Sisson. Comment
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Nov 6 2019
  CHSC30186  Darlingtonia californica M. S. Taylor 1980-7-22 3171 Siskiyou Along creek and meadow, ca. 0.1 mi sw of Big Carme ... Field redacted by CHSC, contact the data manager for more information 1737 Comment
  HSC67643  Darlingtonia californica J. P. Smith, Steve Selva 1970-7-17 4466 Siskiyou Below Kangaroo Lake. 1890 Comment
  POM142719  Darlingtonia californica H. M. Hall, E. B. Babcock 1903-06 4042 Siskiyou Mount Shasta; 18th Crossing, Sacramento River, near Sisson. 1037 Comment
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Nov 6 2019
  UC1185279  Darlingtonia californica H. E. Brown June 1-10 1897 389 Siskiyou near Sisson 1083 Comment
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Nov 6 2019
  UC909356  Darlingtonia californica Ira L. Wiggins 1950-5-28 12370 Siskiyou small bog on one side of ridge above Grouse Creek (about 1.5 mi from Carmen Lake) 1584 Comment
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Jan 29 2013
  CAS-BOT-BC420665  Darmera peltata Elmer I. Applegate 1895-5-29 589 Siskiyou Sacramento River below Sisson Comment
  UC60964  Darmera peltata Geo. B. Grant Sep 1902 5185 Siskiyou Dunsmuir; Mount Shasta 609 Comment
  RSA126347  Datisca glomerata I. L. Wiggins 1955-7-21 13426 Siskiyou Near Mt. View Ranch 7 mileNortheast of Cuesta Grade.s above Cecilville on S Fork of Salmon River 976 Comment
  HSC74082  Daucus carota J. P. Smith, J. O. Sawyer 1978-7-3 10010 Siskiyou Klamath National Forest, Williams Point along the Klamath River, S of Hwy. 96 Comment
  UC9128  Delphinium decorum subsp. tracyi Harley P. Chandler June 1901 1589 Siskiyou ridges and meadows near Marble Mountain; North Coast Ranges 2133 Comment
  UC922379  Delphinium glaucum Annie M. Alexander and Louise Kellogg 1949-7-23 5851 Siskiyou edge of creeks Marble Mountains, Paradise Lake 1920 Comment
  CAS-BOT-BC8760  Delphinium glaucum K. T. Stillman 1976-7-29 309 Siskiyou Marble Mountain Wilderness Area, Bear Creek Trail 1584 Comment
  CAS-BOT-BC10133  Delphinium menziesii Mrs. H. C. Cantelow 1936-5-20 1391 Siskiyou Summit of Salmon Mt. 1818 Comment
  CHSC57500  Delphinium nudicaule Lyna Black 1990-4-11 1 Siskiyou Approx. 1/2 mi ne of Yreka. 838 Comment
  CAS-BOT-BC9882  Delphinium nudicaule George Dexter Butler 1909-4-18 599 Siskiyou Humbug Divide Comment
  RSA99311  Delphinium nudicaule Geo. D. Butler 1910-5-7 1299 Siskiyou In thickets, dry hills near Yreka. Comment
  CAS-BOT-BC116171  Delphinium nuttallianum Ira L. Wiggins 1950-5-28 12382 Siskiyou Serpentine ridge just above Grouse Lake (headwaters of Grouse Creek). 1737 Comment
  CHSC9497  Delphinium nuttallianum J. F. Goodwin 1971-7-3 146 Siskiyou Southeast side of Castle Lake, 0.1 mi. south on Lookout Trail on east side of trail; 9.2 mi. sw of Mt. Shasta City. 1676 Comment
  HSC44963  Delphinium nuttallianum J. O. Sawyer 1978-6-21 3279 Siskiyou Marble Mtn. Wilderness Area, along trail N of Clear Lake 1951 Comment
  HSC63059  Delphinium nuttallianum David Wheeler 1979-4-1 4 Siskiyou Matthews Creek Campground, S Fork of the Salmon River, between Cecilville and Forks of the Salmon Comment
  UC1409277  Delphinium nuttallianum Frederick W. Oettinger 1969-7-18 1054 a Siskiyou sw English Lake; Salmon Mountains, Marble Mountain Wilderness Area 1950 Comment
  HSC86445  Deschampsia cespitosa D. K. Imper 1989-7-21 Siskiyou 8 mi. E of Somes Bar. 1372 Comment
  JEPS116611  Deschampsia cespitosa Julie Kierstead Nelson with Rhonda Posey, Ross Olson 2007-8-1 2007 -023 Siskiyou The Eddys, west of Mt. Shasta. West side of Toad Lake headwaters of Middle Fork of upper Sacramento River. South China Mountain 2118 Comment
  SEINET4344614 Image available Deschampsia cespitosa Unknown 1990-7-14 9305 Siskiyou E side Mt Eddy ca 4 airmiles due W of Mt Shasta City, at streamlet near end of FR 41N53 ca 1 mile N of Morgan Meadows, Steep E-facing serpentine hillside. 1676 Comment
  UCD61112  Deschampsia cespitosa A. H. Murphy 1958-8-4 58 -C Siskiyou Little Elk Lake Marble Mts. 1676 Comment
  CAS-BOT-BC192461  Deschampsia cespitosa subsp. cespitosa Louis C. Wheeler 1934-8-14 3128 Siskiyou Klamath National Forest, N. side White Mt. 1767 Comment
  CAS-BOT-BC201934  Deschampsia elongata A. A. Heller 1915-7-18 12134 Siskiyou Metcalf's ranch, base of Mt. Eddy Comment
  CAS-BOT-BC43267  Descurainia pinnata subsp. glabra R. E. Frenkel 1963-7-13 257 Siskiyou On Everitt Memorial Highway, 0.4 mile north of McCloud River RailRoad crossing near Mount Shasta. 1176 Comment
  CHSC91393  Descurainia pinnata subsp. halictorum Lowell Ahart; John Dittes 2005-6-10 12071 Siskiyou Rocky hillside north of the Shasta River, south of a poor dirt road, about 50 yards northwest of the pump house along the Shasta River, about 1.9 miles (air) south of Highway 99/97 Cutoff, about 6 miles (air) east-southeast of Grenada. 776 Comment
  CAS-BOT-BC43527  Descurainia sophia Elmer I. Applegate 1935-6-5 9297 Siskiyou Modoc Stronghold Lava Beds National Monument. Comment
  JEPS14815  Descurainia sophia W. L. Kleaver 1919-5-16 1 Siskiyou Comment
  POM369575  Descurainia sophia L. C. Wheeler 1934-6-2 2620 Siskiyou Oak Knoll ranger station, Klamath River; Mt. Diablo Mer. 671 Comment
  HSC19280  Dicentra formosa J. O. Sawyer 1968-6-18 201 Siskiyou Above S Russian Creek, below the Blake's Fork confluence. 1463 Comment
  HSC44575  Dicentra formosa Laura Witherspoon 1977-6-30 Siskiyou 1/2 mi. along Binwall Rd. before Dillon Camp 1494 Comment
  CAS-BOT-BC402476  Dicentra formosa subsp. formosa L. E. Smith 1912-7-1 s.n. Siskiyou Between Castella & Dunsmuir railroad track Comment
  HSC59009  Dicentra pauciflora Marvin Butler 1971-7-16 141 Siskiyou Near El Capitan Lake, close to the town of Cave Junction Comment
  HSC36692  Dichelostemma ida-maia Brent Whitely 1975-6-28 88 Siskiyou 915 Comment
  HSC33991  Dichelostemma multiflorum J. P. Smith 1974-5-25 7499 Siskiyou Along Rd. 8, 2.4 mi. W of its junction with Hwy. 3 976 Comment
  HSC43036  Dichelostemma multiflorum J. O. Sawyer, Ken Stillman 1976-7-2 2809 Siskiyou Ridges E of the Little N Fork Trail 732 Comment
  CAS-BOT-BC290993  Dieteria canescens var. shastensis Elmer I. Applegate 1935-8-3 10011 Siskiyou Caldwell Butte, Lava Beds National Monument Comment
  CHSC71866  Dieteria canescens var. shastensis Vernon H. Oswald; Lowell Ahart 1998-9-8 9611 Siskiyou Junction of USFS 3 and 24 ca. 2.5 mi west-southwest of Hambone Butte, ca. 30 air mi north of Burney. 1310 Comment
  JEPS45940  Dieteria canescens var. shastensis Rimo Bacigalupi, and L. R. Heckard 1966-6-20 9184 Siskiyou on n side Mt. Shasta (along upper part of Bolam Logging road) 1676 Comment
  JEPS95372  Dieteria canescens var. shastensis Vernon H. Oswald and Lowell Ahart 1994-8-10 6457 Siskiyou ca 11 mi (air) ne of McCloud (FS 41N01Y at Elk Flat, ca 1 mi N of Pilgrim creek Rd (FS 13)) 1243 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
  HSC5468  Dimeresia howellii R. C. Wunner 1965-6-15 194 Siskiyou California Lava Beds National Monument; top of Caldwell Butte in bottom of crater 1498 Comment
  CAS-BOT-BC153654  Diplacus jepsonii A. A. Heller 1922-7-14 13682 Siskiyou About 12 miles north of Bartle Comment
  CDA6684  Dipsacus fullonum J. R. Grisham 1958-1 2241 Siskiyou Ft. Jones. 0 Comment
  SDSU13054  Dipsacus sativus D. F. Howe 1962-8-5 3260 Siskiyou 56.8 miles east of Happy Camp on #96. 610 Comment
  JEPS61814  Disporum hookeri Geo. D. Butler 1908-8-24 93 Siskiyou Russian Creek, Eldredge's Corral Russian Creek; , Eldredge's Corral 1219 Comment
  CAS-BOT-BC208638  Distichlis spicata David D. Keck 1949-7-19 6347 Siskiyou 2 mi. S of Grenada, along RR right-of-way. 777 Comment
  CAS-BOT-BC136091  Dodecatheon alpinum Harley P. Chandler 1901-6-1 1572 Siskiyou Ridges and meadows near Marble Moutnain 1828 Comment
  CHSC75743  Dodecatheon jeffreyi Vernon H. Oswald; Lowell Ahart 1999-7-5 9826 Siskiyou Summit of Hwy. 3 on Scott Mtn. southeast of Callahan. 1645 Comment
  HSC81528  Dodecatheon jeffreyi Thomas W. Nelson, Jane P. Nelson 1980-7-20 6181 Siskiyou Above and to SE of Big Carmen Lake 1738 Comment
  UC562746  Dodecatheon jeffreyi Joseph P. Tracy 1935-8-1 14400 Siskiyou on ridge between Salmon River and New River (at extreme head of West Fork of Knownothing Creek, Rock Lake); btw Salmon and New Rivers, Rock Lake, West Fork Knownothing 1889 Comment
  UC1243987  Downingia bacigalupii John H. Weiler and A. P. Nelson 1960-6-24 60205 Siskiyou 2.7 mi sw California-Oregon border (at the side of Dorris-Beswick road) Comment
  HSC99983  Downingia montana Thomas W. Nelson, & Sydney Carothers 2005-7-17 9384 Siskiyou Along the W side of Hwy. 3 at the junction of F. S. Rd. 40N43. 1220 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
  CAS-BOT-BC41818  Draba breweri William Bridge Cooke 1940-7-26 15383 Siskiyou Mount Shasta. On the west side of Shastina above Merriam's timberline. 2895 Comment
  RSA237274  Draba howellii Frederick W. Oettinger 1967-7-26 196 Siskiyou Down northeast end of Crapo Peak ridge. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2186 Comment
  JEPS53534  Draba nemorosa Geo. D. Butler 1909-4-4 575 Siskiyou near Yreka; near Yreka Comment
  POM93801  Draba nemorosa Geo. D. Butler 1910-4-10 1162 Siskiyou Yreka Comment
  UC673346  Draba verna Dorothy Tebbe 1930-3-28 74 Siskiyou near Weed; near Weed Comment
  UCD35436  Draperia systyla Beecher Crampton 1956-8-21 3839 Siskiyou Canyon of the south fork of the Sacramento River, lower slopes of White Ridge. 1371 Comment
  UC1409375  Drymocallis glandulosa var. glandulosa Frederick W. Oettinger and R. F. Thorne 1969-8-5 1209 Siskiyou Willow Spring on English Lake trail Marble Mountain Wilderness Area, Salmon Mountains (High Lake Basins in vicinity of English Peak, Salmon Mountains, Marble Mountain Wilderness Area, western Siskiyou County) 1676 Comment
  CAS-BOT-BC159291  Drymocallis lactea var. lactea Gilbert Muth 1966-7-31 470 Siskiyou North side of Black Mountain, Marble Mts. 1981 Comment
  HSC76989  Drymocallis lactea var. lactea K. T. Stillman 1976-6-25 67 Siskiyou Marble Mtn. Wilderness Area 1829 Comment
  HSC76772  Drymocallis lactea var. lactea K. T. Stillman 1976-8-7 372 Siskiyou Marble Mtn. Wilderness Area; trail from Black Mtn. Camp to Jump off point 1951 Comment
  UCD70122  Dryopteris arguta D. Sanchez-Mata 1997-9-19 s.n. Siskiyou Klamath National Forest. Seiad Valley-Happy Camp. Jefferson State Scenic Byway close to Klamath River. 430 Comment
  HSC65132  Dysphania botrys J. P. Smith, Steve Selva 1970-7-17 4413 Siskiyou Along Klamath River. Comment
  HSC41130  Echinochloa crus-galli J. P. Smith, Steve Selva 1970-7-17 4423 Siskiyou Along Klamath River Comment
  CAS-BOT-BC197269  Echinochloa muricata var. microstachya Edward Lee 1934-8-10 1018 Siskiyou Klamath River, south bank between McKinney and Parkerhouse creeks 609 Comment
  CAS-BOT-BC113418  Eleocharis bella Doris K. Kildale 1928-8-19 6514 Siskiyou English Lake, head of north fork of Salmon River. 1676 Comment
  CHSC111070  Eleocharis decumbens Barbara L. Wilson 2011-8-23 16873 Siskiyou Fawn Creek meadows. 1879 Comment
  UC1265385  Eleocharis decumbens Frederick W. Oettinger and R. F. Thorne 1969-8-4 1181 Siskiyou just N of Tobacco Lake (High Lake Basins in vicinity of English Peak); Salmon Mountains, Western Siskiyou Mountains, Marble Mountai 1889 Comment
  POM144779  Eleocharis parishii E. B. Copeland 1903-7-7 3556 Siskiyou Hornbrook. Comment
  RSA577441  Eleocharis parishii L. C. Wheeler 1934-6-3 2628 Siskiyou Cherry Flat, Klamath River; Siskiyou Mts. 518 Comment
  HSC100862  Elymus caput-medusae J. P. Smith, J. O. Sawyer & R. J. Cole 2010-7-11 12997 Siskiyou Gazelle- Callahan Road. 1233 Comment
  POM205453  Elymus elymoides E. B. Copeland 1903-7-3 3536 Siskiyou Klamathon. Comment
  HSC42161  Elymus elymoides var. californicus R. J. Mastrogiuseppe, J. D. Mastrogiuseppe 1974-9-2 171 Siskiyou W slope of ridge of Red Rock Mtn. 2134 Comment
  RSA239022  Elymus glaucus Frederick W. Oettinger 1969-8-3 1147 Siskiyou Above Wiregrass Meadow above English Lake on trail to Abbott's Cabin. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1829 Comment
  UC1265398  Elymus glaucus F. W. Oettinger 1969-9-3 1622 Siskiyou English Peak Salmon Mountains (s slope, w Siskiyou Co.) 2072 Comment
  CAS-BOT-BC206604  Elymus glaucus subsp. glaucus E. Palmer 1892-1-1 2613 Siskiyou Mt. Shasta Comment
  HSC39437  Elymus intermedius J. P. Smith, J. O. Sawyer, Maralyn O'Meara 1972-7-4 Siskiyou Parrott Mill Rd, 2 mi. S of Sugar Creek 1341 Comment
  HSC91443  Elymus spicatus Jennifer Whipple 1977-8-6 2220 Siskiyou Dobkins Lake drainage on E facing slope above Dobkins Lake 2256 Comment
  UCD62613  Elymus stebbinsii subsp. septentrionalis A. A. Beetle; G. L. Stebbins Jr. 1942-5-31 3406 Siskiyou Canyon N of Willow Creek, 5 miles W of Gazelle. Comment
  UCD62631  Elymus trachycaulus subsp. subsecundus Beecher Crampton 1956-8-22 3867 Siskiyou Wagon Camp Road, north of Everitt Hill, lower southern slope of Mt. Shasta. 1645 Comment
  RSA211347  Epilobium angustifolium subsp. circumvagum William J. Ferlatte 1966-8-3 245 Siskiyou Trinity Alps: Big Flat, wooded area near public camp 1524 Comment
  POM248153  Epilobium brachycarpum W. Bridge Cooke 1939-7-13 13683 Siskiyou Mount Shasta: along the Sisson Southern Trail. 1372 Comment
  POM251091  Epilobium brachycarpum W. Bridge Cooke 1938-7-22 11321 Siskiyou Mt. Shasta. 1372 Comment
  POM259017  Epilobium ciliatum subsp. ciliatum W. Bridge Cooke 1940-7-12 15324 Siskiyou Along Castle Lake road near the Brown-Shasta Ranch 1067 Comment
  SBBG126111  Epilobium ciliatum subsp. ciliatum L. Ahart, J. Dittes 2010-7-30 16952 Siskiyou S edge of Shasta River, ca 100 yards E of S edge of the Shasta River, ca 100 yards E of the E Louie Rd Bridge, Shasta Big Springs Ranch, 1.6 mi SW of Big Springs Lake, 4.6 mi NW of Dwinnel Dam, 5.7 mi SE of Grenad 716 Comment
  SEINET12873233  Epilobium ciliatum subsp. ciliatum G. D. Butler 1910-6-22 1598 Siskiyou Ireka Creek Comment
  SEINET6635778 Image available Epilobium ciliatum subsp. glandulosum H. E. Brown 1897-1 552 Siskiyou S side of Mount Shasta 1524 Comment
  RSA237401  Epilobium ciliatum subsp. glandulosum Frederick W. Oettinger 1968-9-6 766 Siskiyou Upper meadow, Tobacco Lake. The Salmon Mountains. The High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1890 Comment
  RSA237398  Epilobium glaberrimum subsp. glaberrimum Frederick W. Oettinger 1969-8-3 1150 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
  HSC48282  Epilobium hallianum J. O. Sawyer, Ken Stillman 1978-7-6 3350 Siskiyou Along Happy Camp - O'Brien Rd., above Louse Creek. Comment
  RSA237400  Epilobium hallianum Frederick W. Oettinger 1969-7-18 1053 Siskiyou Southwest side of Upper English Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area 1951 Comment
  UC618799  Epilobium hornemannii subsp. hornemannii W. Bridge Cooke 1938-7-15 11257 Siskiyou Wagon Camp Mount Shasta (creek in upper meadow) Comment
  HSC39817  Epilobium hornemannii subsp. hornemannii J. O. Sawyer 1969-7-27 1765 Siskiyou W of Little Duck Lake 2012 Comment
  POM258623  Epilobium hornemannii subsp. hornemannii W. Bridge Cooke 1940-7-5 15291 Siskiyou Mt. Shasta: in the meadow at Wagon Camp 1738 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
  RSA0004442  Epilobium jucundum Edward L. Greene 1876-08 s.n. Siskiyou Scott Valley. Comment
  HSC43866  Epilobium minutum Maralyn O'Meara 1974-5-25 377 Siskiyou Along Rd. 8, 0.9 mi. from its junction with Hwy. 3 976 Comment
  HSC68491  Epilobium minutum Maralyn A. Renner 1980-6-9 853 Siskiyou Ridge SE of FS Rd. 45N35 1341 Comment
  CAS-BOT-BC171833  Epilobium oreganum Alice Eastwood 1921-7-30 10999 Siskiyou Soda Creek Comment
  HSC97696  Epilobium oreganum Thomas W. Nelson, Shauna Hee 2006-8-4 9461 Siskiyou Scott Mtn. Pass, along ridge between Carmen Lake, Hwy. 3, ridge S of junction of FS Rds. 40N08 and 44N44 1671 Comment
  UC204402  Epilobium oreganum A. A. Heller 1914-8-25 11712 Siskiyou near Deetz station (opposite Black Butte) 1158 Comment
  POM251090  Epilobium paniculatum W. Bridge Cooke 1938-7-22 11314 Siskiyou Mt. Shasta 1220 Comment
  CAS-BOT-BC171862  Epilobium septentrionale John Thomas Howell 1937-7-29 13639 A Siskiyou Scott Mt. between Trinity and Siskiyou counties Comment
  CAS-BOT-BC171860  Epilobium septentrionale C. G. Pringle 1881-8-19 s.n. Siskiyou Mountains about the head waters of the Sacramento River 2438 Comment
  CHSC1127  Epilobium siskiyouense V. Holt 1936-7-18 Siskiyou Mt. Eddy. 2438 Comment
  UC1045285  Equisetum laevigatum W. Bridge Cooke 1940-6-7 15088 Siskiyou just n Mts. Shasta city (along US 99) Comment
  JEPS60117  Equisetum telmateia subsp. braunii Geo. D. Butler 1909-4-11 682 Siskiyou Shasta Springs Comment
  HSC76643  Eremogone congesta K. T. Stillman 1976-7-7 160 Siskiyou Marble Mtn. Wilderness Area 1982 Comment
  CAS-BOT-BC168334  Eremogone congesta var. congesta Alice Eastwood 1912-8-30 s.n. Siskiyou Mount Eddy Comment
  CAS-BOT-BC286710  Ericameria bloomeri Elmer I. Applegate 1914-8-26 11722 Siskiyou At Weed 1066 Comment
  UC1034045  Ericameria bloomeri W. B. Cooke 1941-8-21 16215 Siskiyou on the n side Diller Canyon (at timberline on the w side of Shastina); Mt. Shasta, Shastina, Diller Canyon 2438 Comment
  CAS-BOT-BC286712  Ericameria bloomeri W. R. Dudley 1901-8-24 s.n. Siskiyou Head of Rush Creek Grade, Salmon Mts. Comment
  SEINET7846083 Image available Ericameria bloomeri M. J. Williams 1985-8-14 1- 16 -87 Siskiyou SE side of Medicine Lake Comment
  SFV8418  Ericameria bloomeri J. M. Tucker 1968-9-14 4143 Siskiyou State Highway 89, 7 miles east of McCloud. Comment
  CHSC72229  Ericameria nauseosa var. speciosa Vernon H. Oswald; Lowell Ahart 1998-9-16 9630 Siskiyou Butte Valley National Grassland near the junction of Meiss Lake-Sams Neck Rd. and hwy. 97 ca. 5 mi north of Macdoel. 1295 Comment
  RSA790000  Ericameria nauseosa var. speciosa Rebecca Wenk 2008-8-31 989 Siskiyou South Fork of Salmon River, Yellow Rose Mine above Big Flat Meadow. 1982 Comment
  UC205552  Ericameria nauseosa var. speciosa H. M. Hall 1919-10-3 10985 Siskiyou near Yreka Hills Comment
  UCR198036  Ericameria pinifolia Daniel Sanchez-Mata 1997-9-18 s.n. Siskiyou Mount Shasta-McCloud close to Snowmans Hill 1488 Comment
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Jul 18 2018
  HSC29242  Erigeron aliceae Frederick W. Oettinger, R. F. Thorne 1969-8-4 1185 Siskiyou Marble Mtn. Wilderness Area, N of Tobacco Lake 1890 Comment
  JEPS84324  Erigeron aliceae L. R. Heckard with J. Hickman et al. 1986-7-17 6500 Siskiyou ca 15 mi from Hwy 96 (Walker) (Oak Knoll Ranger Station road to Condrey Mt.) 2000 Comment
  CAS-BOT-BC293503  Erigeron aliceae Geo. D. Butler 1908-8-8 290 Siskiyou West Fork of Woolly Creek Comment
  RSA184709  Erigeron aliceae Gilbert Muth 1966-7-24 446 Siskiyou Marble Valley Meadow, Marble Mts. 1793 Comment
  HSC75497  Erigeron bloomeri var. bloomeri K. T. Stillman 1976-8-7 375 Siskiyou Marble Mtn. Wilderness Area, Box Camp Mtn. 2195 Comment
  CAS-BOT-BC297110  Erigeron compositus A. A. Heller 1920-7-9 13423 Siskiyou Mt. Eddy 2438 Comment
  JEPS101163  Erigeron compositus Dean W. Taylor 1996-6-19 15708 Siskiyou Lime Gulch; bordering Shasta Valley (about 15 miles south of Yreka) 1188 Comment
  CAS-BOT-BC300474  Erigeron filifolius A. A. Heller 1938-7-12 15255 Siskiyou Near the western base of Deer Mountain 16 miles northeast of Weed on Highway #97 Comment
  HSC69180  Erigeron glacialis var. glacialis Maralyn A. Renner 1980-8-6 2339 Siskiyou Cracker Meadow 1555 Comment
  HSC69334  Erigeron glacialis var. glacialis John Palmer 1980-8-13 770 Siskiyou Klamath National Forest, Dead Cow Creek near F.S. Rd. 47N44 from Beaver Creek Rd. 1616 Comment
  JEPS75885  Erigeron glacialis var. glacialis W. J. Ferlatte 1966-8-5 336 Siskiyou Caribou Mountain; Trinity Alps, Caribou Mountain 2468 Comment
  CAS-BOT-BC295397  Erigeron inornatus Annetta Carter 1939-8-21 1474 Siskiyou Near crest of peak above southeast end of Taylor Lake, 12 miles southwest of Etna, Salmon Mountains 2286 Comment
  UC1619969  Erigeron inornatus Barbara Ertter 1990-7-14 9328 Siskiyou ca. 4 airmiles w. Mt. Shasta City (Wagon Creek on e. side of Mt. Eddy, ridge s. and above creek); Mt. Eddy, Wagon Creek 1950 Comment
  JEPS29180  Erigeron klamathensis Lauramay Dempster 1961-7-1 1832 Siskiyou slopes se White Mountains 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
  CAS-BOT-BC295811  Erigeron petrophilus var. viscidulus A. A. Heller 1914-8-28 11737 Siskiyou East side of Mt. Eddy 2499 Comment
  UC1190269  Erigeron petrophilus var. viscidulus Ira L. Wiggins 1955-7-27 13560 Siskiyou Caribou Lake Salmon-Trnity Alps Primitive Area, Caribou Lake 2042 Comment
  RSA789814  Erigeron petrophilus var. viscidulus Rebecca Wenk 2005-7-20 351 Siskiyou National Forest Road 17, 1 mile down road to the north, heading towards Mt. Shasta Comment
  RSA12509  Erigeron philadelphicus C. B. Wolf 1934-7-4 5927 Siskiyou 0.7 mi. below mouth of Dillon Creek, Klamath River. 244 Comment
  HSC92780  Erigeron tener Jennifer Whipple 1976-7-25 1578 Siskiyou N face of Mt. Eddy 2500 Comment
  CAS-BOT-BC224135  Eriodictyon californicum D. E. Breedlove 1962-6-11 3343 Siskiyou 7.4 miles southwest of Scott Bar 624 Comment
  CDA11920  Eriogonum compositum G. F. Hrusa 1990-4-2 7840 Siskiyou Klamath Ranges; 3 miles N of Yreka along Old Shasta River Rd. Between Yreka and Hwy 96 intersection. Comment
  HSC67049  Eriogonum compositum J. P. Smith 1976-5-22 8779 Siskiyou Callahan Rd. along the E side of Scott Valley 1037 Comment
  JEPS57046  Eriogonum compositum var. compositum Geo. D. Butler 1908-8-6 201 Siskiyou Whiskey Camp Marble Mt. region, Independence Creek 1676 Comment
  CAS-BOT-BC248844  Eriogonum compositum var. compositum Roxana S. Ferris; Laura Lorraine 1948-6-12 11763 Siskiyou East fork of Scott River one mile north of Callahan Comment
  CAS-BOT-BC242527  Eriogonum congdonii Thomas W. Nelson; Jane P. Nelson 1983-8-12 7593 Siskiyou Klamath National Forest. Along forest road 40N02 ca. 1 mile north of juntion with State Route 3 at Scott Mountain Summit 1645 Comment
  CHSC78525  Eriogonum congdonii Vernon H. Oswald 2000-8-28 9958 Siskiyou Rock Fence Lake Road (40N18) 0.6 mi from its junction with Kangaroo Lake Road. 1737 Comment
  JEPS57004  Eriogonum elatum var. elatum W. L. Jepson 1914-8-14 6164 Siskiyou Dunsmuir 670 Comment
  HSC66242  Eriogonum hirtellum Maralyn A. Renner 1980-8-7 2415 Siskiyou Ridge S of Preston Peak 1951 Comment
  HSC77153  Eriogonum hirtellum L. P. Janeway 1983-8-7 522 Siskiyou Peak 5148 near end of USFS Rd. 17N32 19 mi. from Indian Creek Rd. 1555 Comment
  CAS-BOT-BC263655  Eriogonum luteolum var. luteolum Annetta Carter 1934-8-10 690 Siskiyou South bank of Klamath River between McKinney and Parkhouse Creeks, near Hamburg 609 Comment
  HSC28194  Eriogonum luteolum var. luteolum J. P. Smith, J. O. Sawyer 1971-9-18 4805 Siskiyou 1.2 mi. W of junction of Hwy. 3 and Rd. 8, N of Callahan. Comment
  HSC43459  Eriogonum marifolium Jennifer Whipple 1976-6-30 1183 Siskiyou S face of Mt. Eddy draining into the N fork of the Sacramento River 2500 Comment
  HSC83320  Eriogonum marifolium D. W. Taylor 1975-8-14 5460 Siskiyou Mt. Shasta between Shasta Ski area and Green Butte 2591 Comment
  SD23786  Eriogonum marifolium Wm. Bridge Cooke 1938-8-18 11489 Siskiyou Mt. Shasta, lava slopes 2514 Comment
  UC1601649  Eriogonum marifolium Dr. E. B. Copeland 1903-8-15 3916 Siskiyou Mt. Shasta 2346 Comment
  UC725518  Eriogonum marifolium A. A. Heller 1920-8-12 13522 Siskiyou spring above Horse Camp Comment
  CAS-BOT-BC263187  Eriogonum marifolium var. cupulatum Alice Eastwood 1921-7-28 10884 Siskiyou Medicine Lake Comment
  CHSC102576  Eriogonum marifolium var. marifolium L. P. Janeway 2009-8-3 9890 Siskiyou High Cascade Range. Mt. Shasta, east-northeast slope 2.6 air km southwest of Brewer Creek Trailhead; about 20 m south of Brewer Creek. 2637 Comment
  POM316726  Eriogonum microtheca var. laxiflorum Patricia Wilder 1965-9-29 4194 Siskiyou Lava Beds National Monument; on path leading to top of Schonchin Butte. Tule Lake drainage area. 1494 Comment
  CAS-BOT-BC261624  Eriogonum nudum var. nudum John Thomas Howell 1939-8-2 14889 Siskiyou Spirit Lake, Marble Mts. 1828 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
  CHSC99701  Eriogonum nudum var. nudum L. P. Janeway 2008-7-24 9490 Siskiyou Klamath Ranges. Siskiyou Mountains; crest of the mountain 1.3 air km east of Condrey Mountain. Open ridgetop. 2050 Comment
  HSC27080  Eriogonum nudum var. nudum J. P. Smith, J. O. Sawyer 1972-9-13 5780 Siskiyou 0.5 mi. W of Cook and Green Pass on rd. to Lily Pad Lake. Comment
  HSC19517  Eriogonum nudum var. nudum J. O. Sawyer 1969-7-16 1133 Siskiyou Summit NE of Waterdog Lake 2332 Comment
  POM208283  Eriogonum nudum var. nudum Louis C. Wheeler 1934-6-19 2738 Siskiyou North Hungry Creek. Siskiyou Mtns. 1098 Comment
  CAS-BOT-BC269740  Eriogonum nudum var. oblongifolium Alice Eastwood 1912-7-23 1355 Siskiyou Cantara Comment
  CAS-BOT-BC269742  Eriogonum nudum var. oblongifolium Lewis S. Rose 1945-6-19 45148 Siskiyou Horse Creek & Klamath River 502 Comment
  CAS-BOT-BC269738  Eriogonum nudum var. oblongifolium John Thomas Howell; T. C. Fuller; G. D. Barbe 1980-5-21 53570 Siskiyou Yreka 822 Comment
  SD22512  Eriogonum nudum var. oblongifolium Susan G. Stokes July 14 Siskiyou Near Yreka Comment
  HSC42990  Eriogonum nudum var. pubiflorum J. P. Smith, Steve Selva 1970-8-8 4569 Siskiyou Lava Beds National Monument Comment
  JEPS56649  Eriogonum nudum var. pubiflorum W. L. Jepson 1940-6-22 19978 Siskiyou near Hawkinsville; Shasta River 792 Comment
  UC585079  Eriogonum nudum var. pubiflorum E. B. Babcock, G. L. Stebbins Jr. 1936-6-11 1924 Siskiyou sw Yreka (s of highway); Forest House Mt. 1363 Comment
  CAS-BOT-BC272475  Eriogonum nudum var. pubiflorum Laura M. Lathrop 1908-7-10 s.n. Siskiyou Shasta Retreat Comment
  SD22537  Eriogonum nudum var. pubiflorum Susan G. Stokes 1932-7-14 Siskiyou Near Dorris Comment
  SDSU6799  Eriogonum nudum var. pubiflorum D. F. Howe 1969-8-31 4673 Siskiyou 4.2 miles south of Yreka, on #5. 823 Comment
  JEPS25567  Eriogonum pyrolifolium Rimo Bacigalupi with George Bacigalupi Jr. 1959-7-1 7192 Siskiyou pumice fields just e Mt. Shasta Ski Bowl Lodge (sw slope of mt., at upper end of Everitt Hwy); Mt. Shasta 2346 Comment
  SEINET530696  Eriogonum pyrolifolium Paul Opler 2008-7-8 Siskiyou Panther Meadows. 2438 Comment
  JEPS56446  Eriogonum roseum Geo. D. Butler 1908-8-2 203 Siskiyou near Shackelford Creek; Quartz Valley Comment
  UCD101262  Eriogonum spergulinum var. reddingianum J. M. Tucker 1950-7-24 1955 Siskiyou at Ash Creek crossing on the Military Road, east side of Mt. Shasta. Comment
  RSA17458  Eriogonum sphaerocephalum Elmer I. Applegate 1935-6-5 9339 Siskiyou Capt. Jack's Stronghold, Lava Beds National Monument Comment
  CAS-BOT-BC262761  Eriogonum strictum var. anserinum Geo. D. Butler 1908-8-6 211 Siskiyou Whiskey Camp, Independence Creek Comment
  JEPS93922  Eriogonum strictum var. proliferum Vernon H. Oswald and Lowell Ahart 1998-8-3 9407 Siskiyou 11.5 mi w of Gazelle ((USFS 41N03) 0.2 mi e of its junction with Gazelle-Callahan Road); USFS 41N03 1524 Comment
  SEINET5331685  Eriogonum strictum var. proliferum W. Roderick 1967-7-28 s.n. Siskiyou Scott Valley, W side of valley. 914 Comment
  HSC69044  Eriogonum ternatum Maralyn A. Renner 1980-8-7 2347 Siskiyou Klamath National Forest, ridge just E of saddle, S of Rattlesnake Meadow 1799 Comment
  CAS-BOT-BC267928  Eriogonum umbellatum Louis C. Wheeler 1934-6-22 2759 Siskiyou Klamath National Forest. Cottonwood Creek 914 Comment
  CAS-BOT-BC267988  Eriogonum umbellatum var. argus Doris K. Kildale 1929-8-24 9037 Siskiyou Rattlesnake Meadow, trail to Preston Peak 1676 Comment
  UC454348  Eriogonum umbellatum var. argus I. J. Condit 1909-8-23 Siskiyou near Sisson; Castle Lake 1828 Comment
  HSC162  Eriogonum umbellatum var. dumosum William J. Ferlatte 1966-8-2 240 Siskiyou Big Flat, wooded area near public camp 1524 Comment
  CAS-BOT-BC268146  Eriogonum umbellatum var. humistratum Wm. Bridge Cooke 1940-7-26 15369 Siskiyou Mount Shasta. Along Diller Canyon Comment
  CAS-BOT-BC268149  Eriogonum umbellatum var. humistratum A. M. Vollmer; L. Beane 1951-5-31 26 Siskiyou Scott Mountain Comment
  UC2028222  Eriogonum umbellatum var. humistratum Barbara Ertter 1990-7-14 9327 Siskiyou Wagon Creek on E side of Mt. Eddy, ca 4 air miles W of Mt. Shasta City Comment
  HSC103423  Eriogonum umbellatum var. humistratum Thomas W. Nelson, Jane Nelson 1979-6-15 4812 Siskiyou Along Forest Service Rd. 40N08, Carmen Lake Rd., .6 mi. from junction with State Route 3 1646 Comment
  JEPS84205  Eriogonum umbellatum var. modocense L. R. Heckard with J. Hickman et al. 1986-7-17 6504 Siskiyou e Condrey Mt. (slopes); Alex Hole 1880 Comment
  SEINET3160095  Eriogonum vimineum G. D. Butler 1910-6-17 1572 Siskiyou near Yreka Comment
  RSA423135  Eriogonum vimineum Louis C. Wheeler 1934-6-28 2811 Siskiyou Siskiyou Mountains: Beaver Creek at West Fork. 701 Comment
  HSC30682  Eriophorum crinigerum Frederick W. Oettinger 1968-8-2 350 Siskiyou Marble Mtn. Wilderness Area, meadow that feeds into Diamond Lake 2073 Comment
  SEINET10750622  Eriophorum crinigerum Andrew Townesmith, Karen M. Meyer 2007-8-1 Townesmith 883 Siskiyou Shasta-Trinity National Forest. 11.7 miles up Stewart Springs road/Forest Service road 17 (distance from intersection of Stewart Springs and Old 99 Highway). T41N R6W near sections 28 and 33. 1983 Comment
  UC1265449  Eriophorum crinigerum Frederick W. Oettinger 1968-9-7 767 Siskiyou just n. Tobacco Lake; Salmon Mts., High Lake Basins, English Peak vicinity, Marble 1889 Comment
  UC184614  Eriophorum crinigerum Geo. D. Butler 1910-7-9 1703 Siskiyou Shackleford Creek, Log Lake 1219 Comment
  HSC45903  Eriophyllum lanatum Laura Witherspoon 1978-8-18 98 Siskiyou Klamath National Forest; Ball Mtn. Lookout Comment
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Oct 17 2014
  CAS-BOT-BC301131  Eriophyllum lanatum var. achilleoides A. M. Vollmer; L. Beane 1951-6-2 40 Siskiyou Klamath River Highway, betw. U.S. 99 & Gottville Comment
  JEPS34645  Eriophyllum lanatum var. achilleoides W. L. Jepson 1940-6-23 20016 Siskiyou n of Mt. Shasta (Andesite station) 975 Comment
  UC507152  Eriophyllum lanatum var. achilleoides Lincoln Constance 1933-7-6 E 120 Siskiyou 5 mi s of Bray Comment
  CHSC75673  Eriophyllum lanatum var. integrifolium Vernon H. Oswald; Lowell Ahart 1999-7-5 9820 Siskiyou Hwy. 3 on Scott Mtn. 5.9 mi southeast of Gazelle-Callahan Hwy., 0.6 mi northwest of the highway summit. 1569 Comment
  HSC25459  Eriophyllum lanatum var. lanceolatum J. P. Smith, J. O. Sawyer, Maralyn O'Meara 1972-7-3 5654 Siskiyou Ridge E of Cook and Green Pass. 1524 Comment
  SD53407  Eriophyllum lanatum var. lanceolatum Darley F. Howe 1962-8-5 3396 Siskiyou 15.2 miles east of Happy Camp. 550 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
  JEPS107286  Erodium cicutarium Lowell Ahart, John Dittes 2005-6-10 12058 Siskiyou Near a poor dirt road, about 80 yards north of the pump house along the Shasta River, about 1.9 miles (air) south of Highway 99/97 Cutoff, about 6 miles (air) east-southeast of Grenada 776 Comment
  CHSC39011  Eryngium alismifolium J. D. Jokerst 1983-7-6 1835 Siskiyou The east edge of a narrow north-south oriented meadow. Comment
  JEPS19770  Eryngium articulatum Rimo Bacigalupi with S. Galen Smith 1957-6-27 5972 Siskiyou ca. 2 1/2 mi. n.w. Weed (close to U.S. Hwy. 99) 1005 Comment
  CAS-BOT-BC54583  Erysimum capitatum C. L. Hitchcock; J. S. Martin 1939-7-7 5286 Siskiyou Sanger Peak, ca. 13 miles south Takilma, Oregon and just near California border. 1780 Comment
  UC166606  Erysimum capitatum Geo. D. Butler 1909-5-8 724 Siskiyou dry hill near Yreka Comment
  RSA59507  Erysimum capitatum E. K. Balls 1950-5-16 14707 Siskiyou About Caldwell Caves, Lava Beds Nat l Monument. 1555 Comment
  HSC64095  Erysimum capitatum var. capitatum J. P. Smith 1973-5-5 6484 Siskiyou Along Cook and Green Pass Rd. Comment
  HSC19559  Erysimum perenne J. O. Sawyer 1969-7-9 1260 Siskiyou W facing slope above Bingham Lake 2317 Comment
  HSC68522  Erysimum perenne Maralyn A. Renner 1980-6-23 993 Siskiyou W Fork Seiad Creek 878 Comment
  JEPS74430  Erysimum perenne W. J. Ferlatte 1966-7-6 184 Siskiyou Caribou Mtn. Trinity Alps 2468 Comment
  JEPS74431  Erysimum perenne W. J. Ferlatte 1966-6-23 119 Siskiyou Dorleska summit Trinity Alps 2133 Comment
  HSC6767  Erysimum repandum R. C. Wunner 1965-6-22 267 Siskiyou California Lava Beds National Monument, 1 mi. NW of Stronghold (Capt. Jacks) 1220 Comment
  JEPS128470  Erythranthe guttata Julie Kierstead Nelson with Martin Lenz, Rhonda Posey, Brenna Montagne 2016-6-9 2016 -029 Siskiyou Lower Parks Creek watershed, E Klamath Range; Forest Road 42N19. 4 miles northwest of Stewart Springs. Comment
  CHSC71502  Erythranthe inflatula Vernon H. Oswald; Lowell Ahart 1998-7-21 9359 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
  CDA39347  Erythronium californicum D. Osterhandt & D. H. Shaw 1978-3-31 s.n. Siskiyou Along road between Forks of Salmon and Somes Bar, southwestern part of county. 0 Comment
  CAS-BOT-BC133269  Erythronium citrinum Geo. D. Butler 1909-4-24 661 Siskiyou Quartz Valley Comment
  JEPS96994  Erythronium grandiflorum var. pallidum Dean W. Taylor 1999-6-10 17254 Siskiyou Marble Mountains, Mill Creek, ca. 4 miles W from Mugginsville in Quartz Valley, northerly facing slopes near watershed divide with Kidder Creek 1584 Comment
  CAS-BOT-BC403683  Eschscholzia californica Elmer I. Applegate 1935-6-12 9523 Siskiyou South slope of Caldwell Butte, Lava Beds National Monument Comment
  CAS-BOT-BC310480  Eucephalus tomentellus Alice Eastwood 1912-8-30 1984 Siskiyou Mount Eddy Comment
  CAS-BOT-BC310482  Eucephalus tomentellus F. P. Cronemiller 1923-8-15 846 Siskiyou Black Butte 2133 Comment
  UC1034598  Euonymus occidentalis var. occidentalis Douglas Barbe 1955-6-30 60 Siskiyou 0.8 mi. n.w. Forest Camp (Etna, along Johnson Creek); Klamath Mts., Etna, Johnson Creek 944 Comment
  CAS-BOT-BC310631  Eurybia radulina John Thomas Howell 1939-8-9 15246 Siskiyou Shackleford Creek Trail, Marble Mts. Comment
  CHSC118611  Festuca arundinacea Julie Kierstead Nelson; Martin Lenz, Rhonda Posey, Brenna Montagne 2016-6-9 2016014 Siskiyou Lower Parks Creek watershed, E Klamath Range; along Forest Service Road 42N19, 3 miles northwest of Stewart Springs; UTM NAD 83 Zone 10, 539294m E, 4586547m N. 1376 Comment
  HSC42973  Festuca californica J. O. Sawyer, K. T. Stillman 1976-5-29 2742 Siskiyou Along Specimen Creek 915 Comment
  HSC76703  Festuca idahoensis K. T. Stillman 1976-7-14 222 Siskiyou Marble Mtn. Wilderness Area, Kings Castle 2073 Comment
  RSA414217  Festuca idahoensis L. C. Wheeler 1935-6-9 3560 Siskiyou Siskiyou Mounatins, Yreka Creek 1220 Comment
  UC618873  Festuca idahoensis W. Bridge Cooke 1938-7-15 11217 Siskiyou above Bear Spring; Mount Shasta Comment
  CHSC105879  Festuca occidentalis Julie Kierstead Nelson 2008-7-12 2008 -003 Siskiyou South slope of Mt. Shasta in mixed conifer-black oak forest. 1325 Comment
  UC651084  Festuca pratensis A. A. Heller 1915-8-24 12214 Siskiyou ne base Mt. Eddy (Metcalf's ranch) 1188 Comment
  JEPS80506  Festuca roemeri Gilbert Muth 1966-7-25 448 Siskiyou Marble Mt. Lookout Marble Mountain Wilderness Area 2097 Comment
  UCD66263  Festuca roemeri R. Tofsrud 1949-8-3 Siskiyou Soap Creek Ridge, between Yreka and Fort Jones. Comment
  CAS-BOT-BC278639  Festuca subulata A. A. Heller 1916-7-20 12466 Siskiyou Metcalf's ranch, northeast base of Mt. Eddy 1188 Comment
  RSA239111  Festuca subulata Frederick W. Oettinger 1968-9-6 726 Siskiyou Southeast of Hancock Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1890 Comment
  UC1483518  Fragaria vesca John Palmer 1980-8-12 735 Siskiyou road to Bearground Spring (from Beaver Creek Road); Klamath National Forest, Condry Mtn. Quad. 1341 Comment
  UC454005  Fragaria vesca I. J. Condit 1911-7-7 Siskiyou Shasta Retreat 1066 Comment
  CAS-BOT-BC437073  Fragaria vesca subsp. bracteata A. A. Heller 1916-6-20 12406 Siskiyou Metcalf's Ranch, northeast base of Mt. Eddy 1188 Comment
  CAS-BOT-BC457573  Fragaria vesca subsp. californica W. R. Dudley 1893-6-21 s.n. Siskiyou Near Mt. Shasta Springs Comment
  JEPS44878  Fragaria virginiana W. L. Jepson Jul 1894 13876 Siskiyou Sisson Comment
  CAS-BOT-BC447514  Fragaria virginiana var. platypetala Geo. D. Butler 1908-8-10 278 Siskiyou Shackleford Creek 1524 Comment
  CAS-BOT-BC53261  Frangula californica subsp. californica A. A. Heller 1915-8-26 12245 Siskiyou Wagon creek at the foot of Mt. Eddy 1127 Comment
  CAS-BOT-BC53262  Frangula californica subsp. californica A. A. Heller 1916-7-22 12490 Siskiyou East side of Mt. Eddy Comment
  CAS-BOT-BC53420  Frangula californica subsp. occidentalis A. A. Heller 1915-8-26 12245 Siskiyou Wagon creek at the foot of Mt. Eddy 1127 Comment
  HSC92639  Frangula californica subsp. occidentalis Jennifer Whipple 1976-8-21 1734 Siskiyou S face of Mt. Eddy draining into N Fork of the Sacramento River 2378 Comment
  SBBG19298  Frangula californica subsp. occidentalis M. A. Piehl 1956-8-14 Siskiyou near jade mine, vicinity of Happy Camp Comment
  UCD112752  Frangula californica subsp. occidentalis K. M. Meyer; A. Townesmith 2007-7-31 176 Siskiyou Shasta-Trinity National Forest. 6.2 on NF Road 17, off U.S. Hwy 97. 1350 Comment
  CAS-BOT-BC55720  Frangula rubra subsp. obtusissima John Thomas Howell; T. C. Fuller; G. D. Barbe 1980-5-20 53558 Siskiyou East Fork Scott River 2 miles east of Callahan on road to Gazelle 1005 Comment
  RSA78678  Frasera albicaulis var. nitida P. A. Munz 1952-7-2 17871 Siskiyou Road to Baldy Mountain, northwest of Happy Camp, Siskiyou Mountains. 1494 Comment
  UC164252  Fritillaria affinis Geo. D. Butler 1910-4-23 1225 Siskiyou Quartz Valley Comment
  JEPS61893  Fritillaria atropurpurea W. L. Jepson 1902-7-17 2077 Siskiyou Salmon Summit, Summit of Salmon divide, Western Siskiyou County Salmon Summit 2286 Comment
  UC75638  Fritillaria pudica Miss Anna Conau 1906-1 Siskiyou Fort Jones Comment
  CDA39329  Fritillaria recurva G. D. Barbe, J. T. Howell, T. C. Fuller 1980-4-29 2599 Siskiyou 3 km east of Forest Mountain summit, Highway 3, southwest of Yreka. Comment
  JEPS25596  Galium aparine Rimo Bacigalupi 1959-7-2 7228 Siskiyou just s Trinity Co. boundary (<Co. boundary is low divide separating Coffee Creek drainage from that of the Salmon River>); Caribou Mtn., Salmon River, Coffee Creek, Big Flat Campgroun 1508 Comment
  RSA238530  Galium bifolium Frederick W. Oettinger 1968-8-18 580 Siskiyou Due N of Tobacco Lake. Salmon Mtns. High Lake Basins in the vicinity of English Peak. Marble Mtn Wilderness Area. 1890 Comment
  SEINET12285342  Galium bifolium H. P. Chandler 1901-1 1645 Siskiyou Marble Mountain, North Coast Ranges 2438 Comment
  HSC39826  Galium bolanderi J. O. Sawyer 1969-7-25 1528 Siskiyou SE facing slope W of Sugar Lake 1845 Comment
  HSC68271  Galium bolanderi J. P. Smith, Steve Selva 1970-7-28 4531 Siskiyou South Fork of Sacramento River 1128 Comment
  UC164088  Galium bolanderi Geo. D. Butler 1908-7-19 999 Siskiyou Humbug Creek Comment
  POM60712  Galium bolanderi E. B. Copeland 1903-8-14 3779 Siskiyou Sisson. Comment
  SD211695  Galium glabrescens Barbara Ertter 1990-7-14 9329 Siskiyou Wagon Creek on east side of Mt. Eddy, ca. 4.0 airmiles west of Mt. Shasta City. 1890 Comment
  UC1185275  Galium glabrescens subsp. glabrescens H. E. Brown Jun 1 1897-Jun 15 1897 435 Siskiyou n side Mt. Shasta 1524 Comment
  RSA165559  Galium glabrescens subsp. glabrescens Clare B. Hardham 1961-7-3 8073 Siskiyou Scott Mountain south of Calahan. Comment
  JEPS74702  Galium grayanum J. M. Tucker, L. K. Mann and S. L. Holloway 1963-8-18 3755 Siskiyou se-facing slope on sw ridge of mt. Marble Mountain Wilderness Area, Black Mountain (Black Marbl 2133 Comment
  JEPS25703  Galium parisiense P. C. Hutchison 1961-5-22 2038 Siskiyou 2.7 mi n Clear Creek (on hwy US 299, w side of river, 5.7 mi s of Happy Camp); Klamath River Comment
  HSC19061  Galium triflorum J. O. Sawyer 1969-8-1 1621 Siskiyou NE facing slope near Duck Lake Creek. 1799 Comment
  HSC61496  Galium triflorum Ruby Van Deventer 1939-7-18 Siskiyou Kelley Lake and Kelley Lake Trail Comment
  RSA629725  Garrya buxifolia Louis C. Wheeler 1958-8-18 7395 Siskiyou West Fork Seiad Creek. Comment
  UC1971397  Garrya buxifolia Louis C. Wheeler 1958-8-18 7395 Siskiyou West Fork Seiad Creek. Comment
  RSA2866  Garrya fremontii Carl B. Wolf 1931-9-2 2392 Siskiyou 4 miles above jct of MCloud road with Pacific Hwy and Transition. 1189 Comment
  RSA300516  Garrya fremontii John Dourley, Walter Wisura 1982-10-17 3879 Siskiyou Mill Creek Ridge, ca. 18 mi N of Happy Camp, along old road up Indian Creek. 1524 Comment
  UC412883  Garrya fremontii Annie M. Alexander and Louise Kellogg 1911-6-13 138 Siskiyou 6 mi nw Callahan Comment
  SEINET3144595  Garrya fremontii G. D. Butler 1910-3-12 1125 Siskiyou Hill near Yreba 1067 Comment
  HSC30576  Gaultheria ovatifolia Frederick W. Oettinger 1969-7-14 1011 Siskiyou Marble Mountain Wilderness Area, N shore line of Charmaine Lake 1921 Comment
  UC2028811  Gayophytum diffusum subsp. diffusum Neal Kramer 2012-7-20 2066 Siskiyou Approx. 1.5 miles west of Etna. Comment
  UC114767  Gayophytum diffusum subsp. parviflorum W. Bridge Cooke 1956-7-19 30311 Siskiyou below Wagon Camp; Mt. Shasta Comment
  HSC29482  Gayophytum diffusum subsp. parviflorum Frederick W. Oettinger 1968-8-7 434 Siskiyou Salmon Mtns., E side of Hancock Lake 1890 Comment
  RSA12606  Gayophytum heterozygum Carl B. Wolf 1934-7-6 5979 Siskiyou 1/4 mile east of Mt. Shasta City, southwest slope of Mt. Shasta 1098 Comment
  HSC78249  Gayophytum humile L. P. Janeway 1983-7-3 367 Siskiyou NW of Poker Flat 1585 Comment
  RSA237873  Gayophytum humile Frederick W. Oettinger 1969-7-10 950 Siskiyou Northwest of English Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area 1738 Comment
  POM130546  Gentiana calycosa E. B. Copeland 1903-9-7 3879 Siskiyou Mt. Eddy. Comment
  UC1584288  Gentiana newberryi var. newberryi J. Kierstead, R. Bittman, and M. Meyers 1989-8-11 89 -71 Siskiyou s side Forest Service Rd. 26 (Gumboot Creek); Shasta/Trinity National Forest, Mt. Shasta Ranger Dist. 1767 Comment
  JEPS123405  Gentianella amarella subsp. acuta Julie Kierstead Nelson with Don Lepley, Rhonda Posey 2015-8-13 2015 -125 Siskiyou Headwaters of west fork Parks Creek, 2 miles NE of China Mountain. 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-BC143590  Geum triflorum John Thomas Howell 1939-8-8 15176 Siskiyou Black Mts., Marble Mts. 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
  SEINET6709654  Geum triflorum var. ciliatum G. D. Butler 1910-6-19 1578 Siskiyou Goosenest foothills 1524 Comment
  RSA184633  Gilia capitata Clare B. Hardham 1965-8-20 13018 Siskiyou Marble Mts. Near Cudahy Lakes Comment
  RSA237953  Gilia capitata Frederick W. Oettinger 1968-9-3 675 Siskiyou Western bank of Horse Range Lake. Salmon Mtns. High Lake Basins in the vicinity of English Peak, Marble Mountain Wilderness Area. 1791 Comment
  JEPS69515  Gilia capitata subsp. capitata Geo. D. Butler 1909-5-10 741 Siskiyou near Yreka; near Yreka Comment
  CAS-BOT-BC282716  Glyceria elata J. M. Tucker 1963-8-19 3774 Siskiyou Headwaters of Canyon Creek, Marble Mountain Wilderness Area 1950 Comment
  CAS-BOT-BC282719  Glyceria elata A. A. Heller 1916-7-20 12465 Siskiyou Metcalf's Ranch, northeast base of Mt. Eddy 1158 Comment
  HSC10064  Glyceria elata D. E. Anderson 1962-8-5 2316 Siskiyou 3 mi. W of Bartlett, 1 mi. N of Shasta Co. line on Hwy. 89 Comment
  SEINET10792341  Glyceria elata A. Arthur Heller 1916-7-20 Heller 12465 Siskiyou Metcalf's ranch, northeast base of Mt. Eddy. In wet ground near a spring in the forest, the trees Douglas fir, white fir and incense cedar. 1158 Comment
  RSA238997  Glyceria striata Frederick W. Oettinger 1969-9-4 1651 Siskiyou Tobacco Lake. Salmon Mountains High Lake Basin in the vicinity of English Peak. Marble Mountain Wilderness Area. 1890 Comment
  UC1265400  Glyceria striata F. W. Oettinger 1969-9-4 1651 Siskiyou Tobacco Lake Salmon Mountains (w Siskiyou County) 1889 Comment
  UC1265401  Glyceria striata F. W. Oettinger 1969-9-4 1403 Siskiyou English Lake Salmon Mountains (w Siskiyou County) 1889 Comment
  RSA15684  Gnaphalium chilense C. B. Wolf 1927-8-26 1061 Siskiyou Klamath River, 3 miles below Gottville Comment
  UCD132457  Gnaphalium palustre John M. Tucker 1974-7-28 4330 Siskiyou Haypress Meadows, Marble Mountain Wilderness Area. 1463 Comment
  POM58034  Gnaphalium palustre E. B. Copeland 1903-7-2 3533 Siskiyou Klamathon. Comment
  HSC19398  Goodyera oblongifolia J. O. Sawyer 1968-9-13 718 Siskiyou W of the Happy Camp/O'Brien Rd. between Louse Creek and Indian Creek, on the E slopes of Little Grayback 1463 Comment
  CDA3423  Gypsophila paniculata T. C. Fuller 1963-8-27 11160 Siskiyou North limits of Macdoel. 0 Comment
  SEINET3890845  Habenaria dilatata var. leucostachys Alv Dan Youngberg 1964-1 Siskiyou Comment
  CAS-BOT-BC94407  Hackelia bella R. C. Wenk 2005-7-15 209 Siskiyou Trinity Alps, above South Fork of the Salmon River, along the Yellow Rose Mine trail. Top of pass between Yellow Rose 2133 Comment
  UC206128  Hackelia californica Milo S. Baker Aug. 1893 Siskiyou Medicine Lake Comment
  JEPS55568  Hackelia micrantha Ruby Van Deventer 1938-7-31 280 Siskiyou Poker Flat 1219 Comment
  UC1560415  Hackelia setosa E. Joyal and D. Mehlman 1988-6-25 1271 Siskiyou Happy Camp-Takilma road at turn-off to Bolan Lake; Happy Camp 1524 Comment
  UC1483457  Hastingsia alba Maralyn A. Renner 1980-6-25 1093 Siskiyou West Fork Little South Fork Indian Creek Preston Pk Quad. Klamath Natl For, Little S Fk Indian Creek (Klamath National Forest) 1219 Comment
  UC429302  Hastingsia alba Annie M. Alexander and Louise Kellogg 1911-6-13 120 Siskiyou 6 mi nw Callahan Comment
  CAS-BOT-BC504613  Hastingsia alba A. A. Heller 1928-6-23 14648 Siskiyou Along the Pacific Highway near Edgewood in the Shasta valley Comment
  CAS-BOT-BC504617  Hastingsia alba Louis C. Wheeler 1934-7-3 2845 Siskiyou Klamath Forest, Soda Creek 1524 Comment
  CAS-BOT-BC302454  Hazardia whitneyi var. discoidea Edward Lee 1934-8-14 1097 Siskiyou Near summit of Little Grayback, Siskiyou-Del Norte County line 1868 Comment
  HSC29097  Hazardia whitneyi var. discoidea Frederick W. Oettinger 1968-9-3 684 Siskiyou Marble Mtn. Wilderness Area, above Horse's Hole near Horse Range Lake 1829 Comment
  CAS-BOT-BC306353  Helenium L. E. Smith 1913-6-29 435 Siskiyou Mt. Eddy Comment
  JEPS35549  Helenium autumnale Geo. D. Butler 1908-8-30 Siskiyou near Fort Jones (bank of Scott River); Scott River Comment
  HSC67016  Helenium bigelovii J. P. Smith, Steve Selva 1970-7-16 4410 Siskiyou Beaver Creek Campground. 823 Comment
  CAS-BOT-BC306733  Helenium bigelovii Doris K. Kildale 1929-8-25 9028 Siskiyou White's Meadow, trail to Preston Peak 1371 Comment
  RSA211511  Helenium bigelovii William J. Ferlatte 1967-8-17 947 Siskiyou Trinity Alps; Yellow Rose Mine. 1982 Comment
  UC584277  Helenium bigelovii G. L. Stebbins Jr. and J. A. Jenkins 1937-7-19 2470 Siskiyou w side of river near Trumble Ranch (along road from Callahan to Carrville); Trinity River 1050 Comment
  CLARK-A1528-7876  Helianthus bolanderi John C. Roos 1948-9-1 3981 Siskiyou Fort Jones 853 Comment
  CAS-BOT-BC313462  Hemizonella minima A. A. Heller 1905-6-13 8016 Siskiyou Near Mott Comment
  CAS-BOT-BC313460  Hemizonella minima L. E. Smith 1913-7-12 460 Siskiyou Igerna Comment
  UCR80254  Hemizonia fitchii L. C. Wheeler 1934-10-6 3309 Siskiyou Shasta Valley, 2 mi. SE of Yreka 856 Comment
  SD11874  Hesperocyparis macnabiana Carl B. Wolf 1930-10-19 Siskiyou Modoc Lava Beds, 1 mile east of Timbered Butte on old road from ? Hill Farm at Dana to Little Hot Spring Valley 1220 Comment
  UC17263  Hesperolinon micranthum W. A. Setchell, C. C. Dobie 1902-7-15 Siskiyou Sisson Mount Shasta Comment
  UC29091  Heterocodon rariflorum Milo S. Baker 1893-6 Siskiyou 6 mi below Bartles; McCloud River Comment
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Sep 4 2007
  CAS-BOT-BC311095  Heterotheca oregona var. rudis A. A. Heller 1917-9-7 12976 Siskiyou Unspecified 914 Comment
  HSC76903  Heterotheca villosa var. minor K. T. Stillman 1976-9-10 506 Siskiyou Marble Mountain Wilderness Area, across marble on E side of Black Mountain 2104 Comment
  JEPS84316  Heterotheca villosa var. minor L. R. Heckard with S. D'Alcamo, J. Hickman, S. Winchester 1986-7-16 6324 Siskiyou 1/2 air mi from Red Butte (ca 7 mi nne of Seiad Valley, w of Cook and Green Pass) 1850 Comment
  HSC22091  Heuchera merriamii J. O. Sawyer 1969-8-1 1685 Siskiyou SE facing slope above Duck Lake Creek 1951 Comment
  HSC638  Heuchera merriamii William J. Ferlatte 1967-6-30 594 Siskiyou Josephine Lake basin 1677 Comment
  UCD13286  Heuchera merriamii K. F. Mawdsley 1996-7-10 17 c Siskiyou California, Siskiyou County. Little Castle Lake, T 39N R 4W, NW 1/4 of Section 19, Seven Lakes Basin 7.5 topo. Elevation 5572. Comment
  CAS-BOT-BC94871  Heuchera merriamii R. C. Wenk 2005-7-15 220 Siskiyou Trinity Alps, above S. Fork of Salmon River, along Yellow Rose Mine Trail, N along ridge toward Preacher's Peak 2133 Comment
  HSC61970  Heuchera merriamii Al Hobart 16 Jul [year missing] Siskiyou Preston Peak Comment
  RSA0066186  Heuchera merriamii Frederick W. Oettinger 1968-8-4 386 Siskiyou Trail N of Crapo Peak ridge. Salmon Mtns. High Lake Basins in the vicinity of English Peak. Marble Mtn Wilderness Area. 2195 Comment
  HSC64836  Heuchera micrantha J. P. Smith, Steve Selva 1970-6-14 3880 Siskiyou Road to Steinacher Creek near Somes Bar. Comment
  CAS-BOT-BC319680  Hieracium albiflorum A. A. Heller 1915-7-18 12122 Siskiyou Metcalf's Ranch northeast base of Mt. Eddy 1188 Comment
  CAS-BOT-BC319682  Hieracium albiflorum A. A. Heller 1915-8-26 12229 Siskiyou North side of Mt. Eddy 2133 Comment
  HSC58886  Hieracium albiflorum Marvin Butler 1971-8-2 253 Siskiyou Near El Capitan 2013 Comment
  UC166115  Hieracium albiflorum Geo. D. Butler 1910-6-5 1483 Siskiyou Shackleford Creek Comment
  UC485540  Hieracium albiflorum H. W. Furlong Sep 1901 Siskiyou Summit to Ager Comment
  OBI55430  Hieracium albiflorum David J. Keil 1992-7-20 23489 Siskiyou Klamath NF, W of Fort Jones .Along forest rd 44N45, 2 mi S of Scott river rd 1000 Comment
  SD98875  Hieracium albiflorum Darley F. Howe 1977-7-2 Siskiyou Scott River resort area 609 Comment
  CAS-BOT-BC318524  Hieracium greenei C. G. Pringle 1882-9-1 s.n. Siskiyou Mts. about the head waters of teh Sacramento River Comment
  OBI55426  Hieracium scouleri David J. Keil 1992-7-20 23485 Siskiyou Klamath NF, W of Fort Jones .Along forest rd 44N45, 1.4 mi S of Scott river rd, 0.1 mi S of Boulder Crk trl head 1000 Comment
  UC134363  Hieracium scouleri unknown 1892-6-28 Siskiyou Jaynesville Comment
  HSC29149  Hieracium triste Frederick W. Oettinger 1969-9-5 1673 Siskiyou High Lake Basins near English Peak; Marble Mtn. Wilderness Area: Upper English Lake 1799 Comment
  UC1313023  Hieracium triste J. M. Tucker and L. K. Mann 1963-8-19 3783 Siskiyou headwaters of Canyon Creek; Marble Mountain Wilderness Area 1920 Comment
  CAS-BOT-BC320101  Hieracium triste Gilbert Muth 1965-8-11 s.n. Siskiyou Marble Valley Comment
  CHSC78958  Holcus lanatus Rhonda Posey 2000-8-17 Siskiyou Mud Creek Meadows; along Road 42N13 (Pilgrim Creek Road) about 3.5 mi northeast of the McCloud Ranger District office in McCloud. 1097 Comment
  HSC29377  Holodiscus discolor Frederick W. Oettinger 1969-8-19 1448 Siskiyou Marble Mtn. Wilderness area, ridge from Arrow Peak to King David Peak 1951 Comment
  CAS-BOT-BC152368  Holodiscus discolor var. discolor Edna Kelsey 1961-8-1 s.n. Siskiyou Marble Mts., Cuddyhi Lake Comment
  LA207930  Holodiscus discolor var. glabrescens W. B. C.; 1938-8-18 11505 Siskiyou Mount Shasta, Above Horse Camp 2438 Comment
  POM141569  Holodiscus microphyllus var. glabrescens E. B. Copeland 1903-10-11 6443 Siskiyou Mt. Eddy Comment
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Jan 23 2011
  CHSC71295  Holosteum umbellatum subsp. umbellatum Vernon H. Oswald; Lowell Ahart 1998-6-11 9201 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. Meadow. 1402 Comment
  JEPS73758  Hordeum brachyantherum Geo. D. Butler 1909-6-4 813 Siskiyou near Yreka Comment
  CAS-BOT-BC143944  Horkelia daucifolia A. A. Heller 1927-5-14 14384 Siskiyou Shasta Valley, near Gazelle Comment
  CAS-BOT-BC143953  Horkelia daucifolia Geo. D. Butler 1910-5-4 1272 Siskiyou Near Yreka Comment
  UC555626  Horkelia daucifolia H. L. Mason 1931-5-9 5870 Siskiyou 3 mi s Weed Comment
  JEPS74498  Horkelia fusca subsp. parviflora W. J. Ferlatte 1966-8-3 250 Siskiyou near public camp; Big Flat 1524 Comment
  UC574869  Horkelia fusca subsp. parviflora John Thomas Howell 1937-7-21 13168 Siskiyou near Big Flat (South Fork of Salmon River) 1524 Comment
  UCR38388  Horkelia tridentata G. F. Pratt, G. R. Ballmer 1985-6-20 s.n. Siskiyou Castle Lake, c. 6 air mi west of Dunsmuir, Trinity Mtns 1646 Comment
  HSC796  Hosackia crassifolia William J. Ferlatte 1967-7-9 701 Siskiyou Kidd Creek Trail 1677 Comment
  UCD106082  Hosackia crassifolia Tofsrud 1948-8-1 s.n. Siskiyou Near summit on road from Happy Camp to O'Brien, Oregon. Comment
  LA47886  Hosackia crassifolia var. crassifolia Wm. Bridge Cooke; 1940-7-26 15360 Siskiyou Mount Shasta, around the Black Butte Spring 1219 Comment
  HSC71098  Hosackia oblongifolia var. oblongifolia Thomas W. Nelson, Jane P. Nelson, J. P. Smith 1978-7-24 4504 Siskiyou Along W side of Hwy. 3 just N of Scott Mtn. Summit 1616 Comment
  HSC82352  Hosackia oblongifolia var. oblongifolia Thomas W. Nelson, Jane P. Nelson, J. P. Smith 1978-7-24 4525 Siskiyou Siskiyou-Trinity County line, head of Scott Mtn. Creek, S of Forest Service campground 1646 Comment
  UC1949031  Hosackia pinnata Barbara Ertter with Julie Kierstead and Jim Nelson 1990-4-15 9355 Siskiyou MOrgon Meadows on E side of Mt Eddy ca 5 airmiles due W of Mt Shasta City Comment
  CHSC30245  Hulsea nana M. S. Taylor; J. Prouty, E. Heinitz 1980-8-19 3265 Siskiyou Paint Pot Crater. 1920 Comment
  RSA420883  Hydrophyllum fendleri var. albifrons M. B. Dunkle 1944-06 9041 Siskiyou Wet seepage bank. Comment
  CAS-BOT-BC312847  Hymenoxys lemmonii Alice Eastwood; John Thomas Howell 1936-6-13 2751 Siskiyou 6 miles n. of Weed Comment
  CAS-BOT-BC88619  Idahoa scapigera Louis C. Wheeler 1935-3-16 3373 Siskiyou Klamath River. Klamathon. 701 Comment
  CHSC52811  Iliamna bakeri L. R. Heckard; L. Constance, R. Ornduff 1969-6-24 2290 Siskiyou Northwest side of Mt. Shasta along U.S. 97, 0.7 mile south of Bolam road junction. Comment
  RSA172017  Iliamna bakeri F. W. Peirson 1923-7-17 3772 Siskiyou Whitney Creek, foot of Mt. Shasta Comment
  HSC58931  Ipomopsis aggregata Marvin Butler 1971-8-13 126 Siskiyou Near Cyclone Gap, close to the town of Cave Junction 1555 Comment
  RSA114972  Ipomopsis aggregata subsp. formosissima E. K. Balls, Lee W. Lenz 1956-6-18 21803 Siskiyou 4.4 mi. e. of McCloud, State Hwy. 89 1037 Comment
  UC643293  Ipomopsis congesta W. Bridge Cooke 1940-6-27 15202 Siskiyou in brush field in the Lava Park along old logging rd leading up Mount Shasta from Hotlum Station on the n side Mount Shasta 1371 Comment
  SEINET10529086  Iris hartwegii Melvin L. Conrad, Douglas G. LeDoux; Patricia L. Kenney 1973-6-2 Conrad 6979 Siskiyou Western yellow pine, libocedrus, douglas fir forest, 6 mi. Sw of callahan 1524 Comment
  RSA60636  Iris missouriensis I. L. Wiggins 1950-5-27 12357 Siskiyou Banks of East Fork of Scott River at Callahan Ranger Station, Callahan. 976 Comment
  UC796614  Iris missouriensis Roxana S. Ferris and Laura Lorraine Jun 12 1948-Jun 16 1948 11815 Siskiyou Plowman's Valley (Noyes Valley) Scott River (Parker Ranch, e for of Scott River drainage) 1203 Comment
  CDA2714  Iris pseudacorus T. C. Fuller 1958-6-19 1797 Siskiyou South of road between Yreka & Montague. 0 Comment
  SEINET10469761  Iris tenuissima Mary Merello 1993-6-22 Merello 694 Siskiyou Shasta National Forest outside of Mt. Shasta City. Along Forest Service Road 26 to Lake Siskiyou. Mixed conifer forest along rocky, gravely slopes of the Sacramento River. 1090 Comment
  RSA138998  Iris tenuissima Lee W. Lenz 1958-6-22 23531 Siskiyou 18 miles from Happy Camp, road to Cave Junction Comment
  JEPS13903  Isatis tinctoria W. L. Kleaver 1915-5-20 Siskiyou Yreka, Scott Valley Scott Valley; Yreka, Scott Valley Comment
  SEINET10735771  Isatis tinctoria Andrew Townesmith, Karen M. Meyer 2007-8-3 Townesmith 896 Siskiyou Klamath National Forest, Oak Knoll Ranger District. Along state route 96, 5.2 miles west of National Forest boundary. Vicinity of Cayuse Day Use Area. T46N R7W, near boundary between sections 7 and 8. 576 Comment
  UC375299  Isatis tinctoria Geo. D. Butler 1909-6-13 804 Siskiyou near Fort Jones Comment
  HSC64125  Isatis tinctoria J. P. Smith 1973-5-5 6526 Siskiyou Scott Bar along the Scott River Comment
  HSC69130  Isoetes bolanderi Maralyn A. Renner 1980-7-24 2078 Siskiyou Lily Pad Lake 1768 Comment
  HSC91426  Isoetes bolanderi Jennifer Whipple 1976-9-4 1802 Siskiyou Dale Creek drainage on the N face of Mt. Eddy 2195 Comment
  CAS-BOT-BC69863  Isoetes occidentalis Louis C. Wheeler 1963-9-11 8385 Siskiyou Siskiyou Mountains: Dillon Creek, 3/4 mi. ne. of Sawtooth Mountain. 1615 Comment
  CAS-BOT-BC110018  Juncus Melissa A. Berry 1957-7-4 s.n. Siskiyou High CCC Road, south of Highway 96, between Ridge and Humbug roads. 1371 Comment
  RSA768775  Juncus articulatus L. Ahart, John Dittes 2010-7-30 16962 Siskiyou Edge of the Shasta River, about 50-100 yards from the East Louie Road Bridge, Shasta Big Springs Ranch, 1.6 air miles southwest of Big Springs Lake, 4.6 air miles northwest of Dwinnel Dam, 5.7 air miles southeast of Grenada. 717 Comment
  CHSC40142  Juncus balticus L. P. Janeway 1983-8-16 549 Siskiyou At Poker Flat. Dry front edge of upper portion of meadow. 1524 Comment
  JEPS117606  Juncus balticus subsp. ater Lowell Ahart, John Dittes 2010-7-30 16950 Siskiyou On the south side of the Shasta River, about 80 yards west of the pipe across the Shasta River, about 200 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 Dwinn 716 Comment
  RSA577914  Juncus balticus subsp. ater L. C. Wheeler 1935-6-23 3593 Siskiyou Shasta River, 2 miles NW Montague. 884 Comment
  POM210975  Juncus drummondii L. C. Wheeler 1934-8-9 3088 Siskiyou Siskiyou Mountains: Head of Jaynes Canyon. 1981 Comment
  CAS-BOT-BC110122  Juncus dudleyi Melissa A. Berry 1957-7-8 s.n. Siskiyou North Fork of the Salmon River, Somes Bar-Etna Road. 609 Comment
  CHSC40147  Juncus effusus subsp. pacificus L. P. Janeway 1983-7-2 363 Siskiyou On se side of Klamath R ca 6 mi e on China Cr Rd from Happy Camp. Ca 1/2 m from water's edge. 335 Comment
  UCR37583  Juncus ensifolius L. P. Janeway 1983-9-11 668 Siskiyou Poker Flat 1524 Comment
  HSC77127  Juncus ensifolius L. P. Janeway 1983-8-3 482 Siskiyou 350 m N of W Branch Guard Station 671 Comment
  RSA238920  Juncus ensifolius Frederick W. Oettinger 1968-9-6 743 Siskiyou At Bear Meadow mid-way along a straight line between English Peak and Tom Taylor cabin, at the head of Snowslide Gulch. Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1997 Comment
  UC595072  Juncus ensifolius David D. Keck 1938-8-8 4865 Siskiyou between Scott Mtn. and Craggy Peak; Scott Mountain Divide 1676 Comment
  HSC69348  Juncus mertensianus Maralyn A. Renner 1980-8-21 2588 Siskiyou Kidd Creek 2043 Comment
  UCD77272  Juncus mertensianus Robert E. Preston 2001-6-23 1611 a Siskiyou Klamath National Forest, n-facing slope of Rainbow Mtn, T42N R1W nw 1/4 of nw 1/4 Section 23 1965 Comment
  RSA238921  Juncus mertensianus Frederick W. Oettinger 1968-9-10 817 Siskiyou Just south above Horse Range Lake. Salmon Mtns High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1845 Comment
  UCD141353  Juncus mexicanus Harold L. Lint; Mary E. Lint 1967-8-7 C 657 Siskiyou Panther Meadows on slopes of Mt. Shasta. Comment
  HSC69355  Juncus nevadensis var. nevadensis Maralyn A. Renner 1980-8-21 2565 Siskiyou Kidd Creek 2043 Comment
  HSC30679  Juncus nevadensis var. nevadensis Frederick W. Oettinger 1968-8-2 351 Siskiyou Marble Mtn. Wilderness Area, slope just SW of Diamond Lake 2073 Comment
  HSC69159  Juncus orthophyllus Maralyn A. Renner 1980-8-4 2209 Siskiyou Flint Valley 1390 Comment
  RSA233691  Juncus orthophyllus Robert F. Thorne, Frederick W. Oettinger 1969-8-10 38952 Siskiyou Mt. Shasta National Forest: S slope of Mt. Shasta, Panther Creek Meadows 2195 Comment
  HSC22103  Juncus parryi J. O. Sawyer 1969-8-4 1852 Siskiyou Slope SW of South Sugar Lake 2195 Comment
  HSC39843  Juncus parryi J. O. Sawyer 1969-7-23 1442 Siskiyou Near N Horse Range Creek along Rd. 41N14 1037 Comment
  UC637098  Juncus tenuis Edward Lee 1934-8-11 1028 Siskiyou e end Seiad Valley (Walker Creek canyon, a tributary of Klamath River); Klamath River, Walker Creek 609 Comment
  CAS-BOT-BC80905  Juniperus Marcus E. Jones 1926-1-20 s.n. Siskiyou Yaqui Well, Colorado Desert Comment
  CAS-BOT-BC81235  Juniperus occidentalis Edward Lee 1934-8-9 1014 Siskiyou Above Shasta Creek, 6 miles north of Yreka Comment
  UC496193  Juniperus occidentalis Elmer I. Applegate 1932-4-15 7060 Siskiyou Scott Valley e side on dry rocky hillside Scott Valley Comment
  UC637102  Juniperus occidentalis Edward Lee 1934-8-9 1014 Siskiyou 6 mi n Yreka (above creek); Shasta Creek Comment
  CHSC91342  Juniperus occidentalis var. occidentalis Lowell Ahart; John Dittes 2005-6-9 12021 Siskiyou Small low hill, north fence boundary, on the east side of a poor rock fence, about 350 yards east of where cattle water in the Shasta River, about 3/5 mile (air) south of Highway 99/97 Cutoff, about 2 1/2 miles (air) east-southeast of Grenada. 774 Comment
  JEPS107377  Juniperus occidentalis var. occidentalis Lowell Ahart, John Dittes 2005-6-9 12021 Siskiyou Small low hill, north fence boundary, on the east side of a poor rock fence, about 350 yards east of where cattle water in the Shasta River, about 3/5 mile (air) south of Highway 99/97 Cutoff, about 2 1/2 miles (air) east-southeast of Grenada 774 Comment
  POM21780  Juniperus occidentalis var. occidentalis Alice Eastwood 1922-10-23 11554 Siskiyou Yreka. Comment
  SEINET7269996  Kalmia microphylla subsp. microphylla W. Roderick 1967-7-28 s.n. Siskiyou Panther Meadow, Mt. Shasta 2377 Comment
  CAS-BOT-BC235863  Keckiella corymbosa Ira L. Wiggins 1955-7-31 13593 Siskiyou Along S Fork of Salmon River betw. Cecilville and Forks of Salmon Comment
  NY790342  Keckiella lemmonii D. C. Michener 1980-8-2 3765 Siskiyou Klamath Mountains. Along CA 96 along the Klamath River between Swillup and Coon Creeks, ca. 17 miles south of Happy Camp. 304.8 Comment
  RSA293265  Keckiella lemmonii D. C. Michener 1980-8-2 3765 Siskiyou Klamath River. On CA 96 along the Klamath River between Swillup Creek and Coon Creek, ca 17 miles south of Happy Camp. 300 Comment
  HSC4855  Kelloggia galioides J. O. Sawyer 1968-7-23 612 Siskiyou Along trail from Brown's Valley to Caribou Basin including areas around Snowslide Lake and Caribou Lake. 1829 Comment
  HSC661  Kelloggia galioides William J. Ferlatte 1967-7-9 677 Siskiyou Kidd Creek Trail 1677 Comment
  RSA121244  Koeleria macrantha H. S. Yates 1936-6-21 5818 Siskiyou one mile southeast of Gazelle. 793 Comment
  CAS-BOT-BC273778  Koeleria pyramidata Geo. D. Butler 1910-7-3 1625 Siskiyou Unspecified 1219 Comment
  CAS-BOT-BC499662  Kopsiopsis strobilacea Wm. Bridge Cooke 1938-7-22 11308 Siskiyou Mount Shasta: Wagon Camp--Horse Camp Trail 2133 Comment
  RSA0103865  Kopsiopsis strobilacea B. Templeton 1964-6-9 10176 Siskiyou Slope of Mt. Shasta. Comment
  UC1045298  Kyhosia bolanderi W. B. Cooke 1940-8-2 15408 Siskiyou meadows Wagon Camp; Mount Shasta Comment
  OBI55443  Lactuca biennis David J. Keil 1992-7-20 23502 Siskiyou Klamath NF. Along Forest Rd 46N64, 2.8 mi W of Scott river rd Comment
  CAS-BOT-BC341691  Lagophylla ramosissima A. A. Heller 1919-6-27 13279 Siskiyou Metcalf's ranch, northeast base of Mt. Eddy 1158 Comment
  POM209650  Lagophylla ramosissima Palmer Stockwell 1934-7-16 77 Siskiyou [Town of] Weed. Comment
  CHSC71565  Lagophylla ramosissima subsp. ramosissima Vernon H. Oswald; Lowell Ahart 1998-8-3 9408 Siskiyou USFS 41N03 1.0 mi east of its junction with Gazelle-Callahan Rd. 11.5 mi west of Gazelle. Roadside. 1524 Comment
  UC372675  Lathyrus brownii Geo. D. Butler 1910-5-15 1346 Siskiyou Greenhorn Mountain 1066 Comment
  HSC71346  Lathyrus lanszwertii var. lanszwertii J. P. Smith 1976-5-21 8778 Siskiyou Klamath National Forest, FS Rd. 40N08, 12.3 mi. from its junction with Hwy. 3 1220 Comment
  RSA594185  Lathyrus polyphyllus S. O. Mattoon 1977-6-26 60 Siskiyou Gooseneast District; Klamath North Fork; Forest Road 2 miles S of Surveyors Glade; 12 air miles W of MacDoel. 1829 Comment
  CAS-BOT-BC89161  Lepidium draba L. E. Smith 1912-7-1 s.n. Siskiyou Yreka. Comment
  SEINET516322  Lepidium latifolium Vernon H. Oswald 1998-9-16 9646 Siskiyou Vista point on Hwy. 161 adjacent to a marsh at the Lower Klamath NWR 5.3 mi E of Hwy. 97. 1244 Comment
  CAS-BOT-BC89831  Lepidium montanum Dorothy Parker 1948-6-11 s.n. Siskiyou Yreka. Comment
  CAS-BOT-BC89838  Lepidium nitidum L. E. Smith 1913-4-2 s.n. Siskiyou Hornbrook Road to Klamathon. Comment
  CHSC91249  Lepidium perfoliatum Lowell Ahart; John Dittes 2005-6-9 11998 Siskiyou Pasture field, on the east side of a poor rock fence, about 300 yards east of where cattle water in the Shasta River, about 3/5 mile (air) south of Highway 99/97 Cutoff, about 2 1/2 miles (air) east-southeast of Grenada. 774 Comment
  CDA36794  Lepidium perfoliatum D. B. Joley 1976-6-24 2 Siskiyou Mt. Shasta City. 0 Comment
  RSA48218  Leptosiphon bolanderi Roxana S. Ferris, Laura Lorraine 1948-6-12 11758 Siskiyou French Creek logging road west of Callahan. 1067 Comment
  HSC61924  Leptosiphon harknessii Ruby Van Deventer 1960-7-13 Siskiyou Poker Flat 1585 Comment
  RSA237969  Leptosiphon harknessii Frederick W. Oettinger, R. F. Thorne 1969-8-8 1294 Siskiyou Sundew Bog near English Lake. Salmon Mtns; High Lake Basins in the vicinity of English Peak; Marble Mountain Wilderness Area. 1829 Comment
  UC735039  Lesquerella occidentalis subsp. occidentalis Lincoln Constance and Herbert L. Mason with J. F. Davidson and J. M. Tucker 1947-5-17 3199 Siskiyou summit of n.w. spur of Scott Mt. 1828 Comment
  JEPS88040  Lessingia nemaclada S. Markos 1996-7-28 134 Siskiyou On Caribou Rd. at the petersberg Fire Station Cecilville; Klamath National Forest Comment
  CAS-BOT-BC341894  Lessingia nemaclada J. O. Sawyer, Jr.; James Payne Smith, Jr. 1971-9-18 4796 Siskiyou State 3 between Callahan and Etna at the turnoff to the Proctor Ranch Comment
  CDA39356  Leucocrinum montanum D. H. Shaw 1979-5-9 s.n. Siskiyou Vicinity of Butte Creek, ca. 3.5 km west of Bray. 0 Comment
  HSC30488  Leucothoe davisiae Frederick W. Oettinger 1968-8-1 347 Siskiyou Marble Mountain Wilderness Area, N end of Little Hancock Lake 2043 Comment
  LA86527  Lewisia cotyledon John M. Tucker; 1963-7-7 3713 Siskiyou Marble Mountain Wilderness Area, in vicinity of Paradise Lake, at base of Kings Castle on E side 1981 Comment
  SEINET11942479  Lewisia cotyledon H. P. Chandler 1901-1 1594 Siskiyou near Marble Mountain, North Coast Ranges 2286 Comment
  CAS-BOT-BC444048  Lewisia cotyledon var. cotyledon Gilbert Muth 1969-8-6 1177 Siskiyou Second Valley Comment
  JEPS74489  Lewisia cotyledon var. heckneri W. J. Ferlatte 1966-6-22 76 Siskiyou Josephine Lake basin Trinity Alps 1676 Comment
  CAS-BOT-BC444063  Lewisia cotyledon var. howellii L. R. Short 1933-5-24 119 Siskiyou Klamath National Forest. Rocky cliff on Klamath 548 Comment
  JEPS25554  Lewisia cotyledon var. howellii Maxine Gibeson 1961-5-13 Siskiyou on large cliff...across Klamath River from Calif. Highway no. 96 (1 mi e of Walker Bridge, almost directly across from Oak Knoll Ranger Sta., 9 1/2 mi w of commun. of Klamath River) 524 Comment
  CAS-BOT-BC444084  Lewisia leeana Doris K. Kildale 1915-8-26 12218 Siskiyou Near the source of Wagon Creek, Mt. Eddy 2590 Comment
  CHSC114575  Lewisia leeana M. S. Taylor 1980-7-8 3093 Siskiyou Shasta-Trinity National Forests, Mt. Shasta Ranger District, S side of Little Castle. 1767 Comment
  RSA184767  Lewisia leeana Gilbert Muth 1966-7-14 382 Siskiyou Flat above Marble Valley, Marble Gap Trail, Marble Mountains. 1829 Comment
  RSA237331  Lewisia leeana Frederick W. Oettinger 1967-7-8 166 Siskiyou Near Big Blue Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2104 Comment
  CAS-BOT-BC444193  Lewisia nevadensis G. J. Muth 1969-8-8 1294 Siskiyou Gap Meadow, Boulder Peak Ridge 2286 Comment
  CAS-BOT-BC444423  Lewisia rediviva Elmer I. Applegate 1937-5-13 11092 Siskiyou South of the Flenner Ranch, Lava Beds National Monument Comment
  RSA47807  Lewisia rediviva Roxana S. Ferris, Laura Lorraine 1948-6-12 11715 Siskiyou Schoolhouse Hill, Plowman s Valley [Noyes Valley], East Fork of Scott River Comment
  JEPS73739  Leymus cinereus George D. Butler 1908-6-25 483 Siskiyou Butler's Ranch near Yreka Comment
  UC1034649  Leymus cinereus Milo S. Baker and Douglas Barbe 1955-6-27 13087 Siskiyou on Hwy 99 4 mi s Gazelle; Klamath Mountains 914 Comment
  UC817326  Leymus cinereus L. E. Smith July 1915 Siskiyou Bray Comment
  UC197190  Leymus triticoides Geo. D. Butler 1910-6-13 1562 Siskiyou Yreka Creek Comment
  SEINET6633383  Ligusticum californicum J. M. Tucker 1963-1 3786 Siskiyou headwaters of Canyon Creek, ca. 1/2 mile northeast of Marble Valley Guard Station, Marble Mountain Wilderness Area 1920 Comment
  HSC96859  Ligusticum grayi Gordon Leppig, J. Cromwell 1997-7-25 587 Siskiyou Klamath National Forest, Russian Wilderness, Little Duck Lake 2200 Comment
  CAS-BOT-BC509366  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
  CAS-BOT-BC509369  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
  SEINET8480709  Lilium pardalinum W. Roderick 1967-7-28 s.n. Siskiyou Center of town of Mt. Shasta, between the old highway and the railroad. 1067 Comment
  UC1035030  Lilium pardalinum subsp. wigginsii L. Beane and A. M. Vollmer 1954-7-16 1266 Siskiyou w of Highway 99 (Siskiyou Mountains, near Oregon border); Siskiyou Mountains; Siskiyou Mts., Siskiyou Co. Comment
  HSC61120  Lilium parvum Al Hobart 1965-8-14 Siskiyou USFS Rd. 17N04, Doe Flat 1067 Comment
  RSA184814  Lilium washingtonianum subsp. purpurascens Gilbert Muth 1966-7-29 133 Siskiyou Marble Valley, near marble, Marble Mountain 1793 Comment
  CHSC2297  Lilium washingtonianum subsp. washingtonianum V. Holt 1932-7-3 Siskiyou Near Mt. Shasta City. 1097 Comment
  UC1334271  Lilium washingtonianum subsp. washingtonianum Albert M. Vollmer and Ira L. Wiggins 1940-7-5 9 Siskiyou 3.5 mi ne Mount Shasta (town) 1402 Comment
  CAS-BOT-BC133097  Lilium washingtonianum subsp. washingtonianum Alice Eastwood 1912-7-22 1301 Siskiyou Sisson Comment
  RSA74742  Lilium washingtonianum var. washingtonianum Albert M. Vollmer, L. Beane 1951-07 186 Siskiyou Mt. Shasta Comment
  CAS-BOT-BC123091  Lilium wigginsii Lawrence Beane; Albert Michael Vollmer 1954-7-16 1266 Siskiyou Siskiyou Mountains near Oregon border west of Hwy 99 Comment
  SD257342  Limnanthes alba Peter F. Zika 2012-5-14 25855 Siskiyou I-5 southbound, one road mile N of (and above) exit 724 for Castella, Cascade Range Highlands (CaRH) 665 Comment
  SD98972  Linanthus pungens Darley F. Howe 1977-7-5 5002 Siskiyou 15 mi. SE of Granada 4000 Comment
  RSA0087563  Linnaea borealis subsp. longiflora Robert F. Thorne 1969-8-2 63329 Siskiyou Klamath National Forest, Salmon Mountains, Marble Mountain Wilderness Area, vicinity of English Peak. Trail to upper English Lake, opposite jct. with Grant Creek. Comment
  CHSC191  Linnaea borealis var. longiflora V. Holt 1932-6-29 Siskiyou Castle Lake Comment
  SBBG69501  Linnaea borealis var. longiflora J. G. Lemmon 1879-7-4 Siskiyou near Shasta Comment
  UC1408773  Linum lewisii Frederick W. Oettinger 1968-8-18 569 Siskiyou Salmon Mts, High Lake Basins in vicinity of English Peak, Marble Mountain Wilderness Area, w side of Hancock Lake Hancock Lake; Salmon Mts, Marble Mountain Wilderness Area 1935 Comment
  UC705916  Lithocarpus densiflorus Marion Ownbey, Fred G. Meyer 1940-7-8 2231 Siskiyou 17 mi n Happy Camp; Siskiyou Mountains Comment
  POM90134  Lithocarpus densiflorus var. echinoides S. B. Grout 1902-9-15 s.n. Siskiyou Shasta Springs. Comment
  HSC91190  Lithophragma glabrum Jennifer Whipple 1978-6-5 2352 Siskiyou Pass between Eddy Creek and Deadfall Creek drainages 2073 Comment
  SJSU6066  Lithophragma heterophyllum R. W. Trivelpiece 1971-6-1 4 Siskiyou East Fork of Horse Cr between White Mt & White Cloud Mt c. 5 mi from Oregon border 1219 Comment
  CAS-BOT-BC325938  Lithospermum californicum A. A. Heller 1905-6-13 8017 Siskiyou Shasta Springs. On the slope between the railroad and the river above Shasta Springs. Comment
  RSA44060  Lithospermum ruderale W. Bridge Cooke 1942-7-2 16362 Siskiyou Near Widow Springs, Mt. Shasta. Comment
  HSC71190  Lolium perenne M. A. Baker 1980-6-20 2223 Siskiyou Near Bald Mtn. 1036 Comment
  RSA603010  Lolium perenne subsp. multiflorum L. C. Wheeler 1935-6-2 3544 Siskiyou Shasta River; Siskiyou Mts. 732 Comment
  HSC39659  Lolium temulentum J. P. Smith, J. O. Sawyer, Maralyn O'Meara 1972-7-4 5740 Siskiyou 2.6 mi. S of Sugar Creek on Parrott Mill Rd. 1341 Comment
  SEINET8589104  Lomatium californicum G. D. Butler 1911-5-18 1359 Siskiyou Dry thicket near Eureka Comment
  RSA237413  Lomatium dissectum var. multifidum Frederick W. Oettinger 1968-8-15 523 Siskiyou On east side of Hancock Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1951 Comment
  JEPS97016  Lomatium engelmannii Dean W. Taylor 1997-6-12 16063 Siskiyou hillslopes at base of Scott Mountains at mouth of Willow Creek, Shasta Valley; ca. 4 miles west of Gazelle 944 Comment
  JEPS107409  Lomatium macrocarpum Lowell Ahart, John Dittes 2005-6-9 12032 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
  HSC46187  Lomatium nevadense Jennifer Whipple 1977-4-30 1883 Siskiyou Scott Valley near Weston Gulch 854 Comment
  CDA38461  Lomatium peckianum Ball May 1943 s.n. Siskiyou Yreka. 0 Comment
  UC165428  Lomatium vaginatum Geo. D. Butler Apr 18 1909-Apr 30 1909 624 Siskiyou near Yreka Comment
  RSA184705  Lonicera conjugialis Gilbert Muth 1966-7-8 378 Siskiyou Marble Valley. Marble Mtns. 1793 Comment
  UC602554  Lonicera conjugialis Joseph P. Tracy 1935-8-1 14405 Siskiyou on ridge between Salmon River and New River (at extreme head of West Fork of Knownothing Creek); Rock Lake 1889 Comment
  HSC44721  Lonicera hispidula var. vacillans J. O. Sawyer, E. Cope 1977-6-18 2908 Siskiyou Along Clear Creek Trail below Ten Mile Creek. 488 Comment
  POM68733  Lonicera hispidula var. vacillans Geo. D. Butler 1910-6-17 1571 Siskiyou Thickets near Yreka. Comment
  CAS-BOT-BC240851  Lonicera interrupta L. E. Smith 1913-11-12 570 Siskiyou Yreka Comment
  SEINET3523666 Image available Lotus A. A. Heller 1927-8-2 14439 Siskiyou Shasta Valley Comment
  RSA53845  Lotus corniculatus Ynez Whilton Winblad 1941-6-30 s.n. Siskiyou Between Oregon line and Yreka. Comment
  UC454685  Lotus oblongifolius var. oblongifolius I. J. Condit 1911-7-3 Siskiyou Shasta Retreat Comment
  JEPS75373  Lotus purshianus var. purshianus Geo. D. Butler 1908-8-4 391 Siskiyou Head of Shackleford Creek 1676 Comment
  UC1023843  Lotus purshianus var. purshianus Douglas Barbe 1955-6-28 25 Siskiyou 1.8 mi n Callahan; Klamath Mountains 1005 Comment
  JEPS65175  Lotus wrangelianus W. L. Jepson 1940-6-22 19969 Siskiyou near Hornbrook; Cottonwood Creek 670 Comment
  CAS-BOT-BC140244  Luetkea pectinata W. R. Dudley 1901-8-23 s.n. Siskiyou Rocky Creek, Foxtail Ridge, Salmon Mts. Comment
  HSC57385  Luina hypoleuca Overton, Butler 1979-7-26 10112 Siskiyou Near Salmon Mtn., close to the town of Forks of Salmon 2104 Comment
  HSC2387  Lupinus albicaulis William J. Ferlatte 1966-8-18 426 Siskiyou Willow Creek Trail 1982 Comment
  UCD105849  Lupinus albicaulis Rimo Bacigalupi; Mr. and Mrs. Van Deventer 1959-7-9 7274 Siskiyou Poker Flat. 1536 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
  JEPS85697  Lupinus albicaulis Geo. D. Butler 1909-6-23 913 Siskiyou Goose Nest 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
  CHSC82791  Lupinus albicaulis var. shastensis L. P. Janeway 2002-7-12 7627 Siskiyou High Cascade Range. 2.7 km west of the summit of Ash Creek Butte; along west side of Road 19 (Military Pass Road) about 1.6 km south of the National Forest boundary. 1780 Comment
  JEPS25635  Lupinus albicaulis var. shastensis Rimo Bacigalupi with Mr. and Mrs. Van Deventer 1959-7-9 7274 Siskiyou Poker Flat 1536 Comment
  UC157023  Lupinus albicaulis var. shastensis Geo. D. Butler 1910-6-6 1465 Siskiyou Quartz Valley Comment
  UC725354  Lupinus albicaulis var. shastensis A. A. Heller 1940-7-25 15764 Siskiyou trail to Horse Camp Mt. Shasta (Mt. Shasta) Comment
  CDA27357  Lupinus albicaulis var. shastensis T. C. Fuller 1964-6-24 12245 Siskiyou Flying K Ranch, ca. 2 miles south of Mugginsville, Quartz Valley. 0 Comment
  SEINET10484530  Lupinus albicaulis var. shastensis Emmel 1974-7-20 EMMEL 519 Siskiyou Slope 0.6 air miles ese of dry lake lookout, along road between dry lake Lookout and deer camp, siskiyou mountains. T47n,r9w,sec.19 se 1/4. Montane Conifer forest. In open areas of recently logged forest. Perennial. 2.5 Ft High. 2.5 Ft wide. Abundant. Plebejus icarioides ssp & lycaeides argyrognomon Ricei adults closely associated with this plant (lepidoptera; lycaenidae) 1890 Comment
  CHSC67492  Lupinus albifrons James D. Jokerst 1992-7-30 3422 Siskiyou Top of divide between Trinity River, summit of reddish mountain S of road crossing saddle. Comment
  HSC71540  Lupinus albifrons J. P. Smith, Steve Selva 1970-6-15 3952 Siskiyou Road between Forks of Salmon and Cecilville. 579 Comment
  CAS-BOT-BC195963  Lupinus albifrons var. albifrons Roxana S. Ferris; Laura Lorraine 1948-6-12 11725 Siskiyou French Creek Logging Road west of Callahan 1219 Comment
  CHSC32924  Lupinus albifrons var. flumineus J. P. Smith 1974-5-26 7390 Siskiyou Along F.S. road 47N03. 1524 Comment
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Feb 26 2013
  CAS-BOT-BC196321  Lupinus albifrons var. flumineus K. Morris; Dunn; Kenney 1973-6-2 370 Siskiyou On the south side of Hwy 3, 22 mi E of Fort Jones Comment
  SEINET10838378  Lupinus albifrons var. flumineus Edwin B. Copel 1903-7-3 Copeland 3527 Siskiyou On dry hills Comment
  UC1408828  Lupinus andersonii Frederick W. Oettinger 1968-8-19 587 Siskiyou English Peak Salmon Mountains, Marble Mountain Wilderness Area (Crapo View Gap) 2133 Comment
  UC562841  Lupinus angustiflorus Elmer I. Applegate 1923-8-18 3877 Siskiyou e side Medicine Lake (Redshale Mountain); , e side of Medicine Lake Comment
  UC711890  Lupinus angustiflorus Roxana S. Ferris and Laura Lorraine 1941-8-11 10503 Siskiyou above Medicine Lake (Shasta National Forest); , above Medicine Lake Comment
  CHSC86648  Lupinus argenteus Jenny Marr 1993-7-1 31 Siskiyou Butte Valley Wildlife Area, +/- 7 air miles NW of the town of MacDoel. Meadow NW of Meiss Lake. 1349 Comment
  UCD106687  Lupinus argenteus Robert E. Preston 1995-6-18 872 Siskiyou ca. 3 mi ese of Hornbrook, in oak woodland adjacent to Ager Rd; (Copco 15' quad). 701 Comment
  CAS-BOT-BC196356  Lupinus argenteus var. argenteus M. K. Curran 1887-7-1 s.n. Siskiyou Edgewood Comment
  RSA91209  Lupinus argenteus var. argenteus F. W. Peirson 1923-7-19 3609 Siskiyou Lairds Landing. Comment
  RSA582456  Lupinus aridus Louis C. Wheeler 1935-6-13 3582 Siskiyou N side Scott River, Scott Bar Mts. 823 Comment
  HSC63261  Lupinus breweri M. A. Baker 1979-7-30 1082 Siskiyou Marble Mtn. Wilderness, SE of Tickner peak 2200 Comment
  CAS-BOT-BC215188  Lupinus croceus Roxana S. Ferris; Laura Lorraine 1948-6-12 11810 Siskiyou At Mule Creek Crossing of Scott Mountain Road 1524 Comment
  JEPS87960  Lupinus croceus Barbara Ertter 1990-7-14 9330 Siskiyou ca 4 airmi w Mt. Shasta City (Wagon Creek on e-side of Mt. Eddy); e side Mt. Eddy, Wagon Creek 1889 Comment
  SEINET10837763  Lupinus croceus var. croceus Oettinger 1969-7-25 OETTINGER s.n. Siskiyou Scott mts., Shasta-trinity nat'l forest: c. 15 Air mi. Sw of weed, near Kangaroo lake campground; dry rocky meadow in lodgepole pine forest. Comment
  JEPS87961  Lupinus lapidicola Barbara Ertter 1990-7-14 9325 Siskiyou ca 4 airmi w Mt. Shasta City (Wagon Creek on e-side of Mt. Eddy); e side Mt. Eddy, Wagon Creek 1950 Comment
  HSC2367  Lupinus latifolius William J. Ferlatte 1966-8-19 444 Siskiyou Head of Kidd Creek 2134 Comment
  SEINET11161339 Image available Lupinus latifolius A. A. Heller 1914-1 11709 Siskiyou Deetz station 1158 Comment
  RSA582445  Lupinus latifolius subsp. latifolius Louis C. Wheeler 1935-6-13 3573 Siskiyou Shackleford Creek. Marble Mtns. 976 Comment
  UCD108204  Lupinus latifolius var. latifolius J. M. Tucker 1974-7-28 4325 Siskiyou adjacent to camp at Haypress Meadows, Marble Mountain Wilderness Area. 1463 Comment
  UC146909  Lupinus latifolius var. viridifolius Harley P. Chandler June, 1901 1710 Siskiyou near Marble Mountain (Shackleford Canyon, ridges and meadows); North Coast Ranges, nr Marble Mountain, Shackleford Canyon 1828 Comment
  CHSC63607  Lupinus lepidus var. sellulus Vernon H. Oswald; Lowell Ahart 1994-8-10 6450 Siskiyou Pilgrim Creek Rd. (FS13) at Mudd Creek, 2.7 mi N of Hwy. 89, ca. 4.5 mi (air) NE of McCloud. 1097 Comment
  POM10806  Lupinus leucophyllus C. F. Baker 1903-7-14 3518 Siskiyou Klamathon Comment
  UC157001  Lupinus leucophyllus Geo. D. Butler 1910-5-21 1376 Siskiyou Klamath River Comment
  SEINET10488769  Lupinus luteolus James P. Smith, Steven B. Selva 1970-8-9 Smith, Jr. 4576 Siskiyou T.46n, r.2w, sec.14. Disturbed roadside in potato fields w of macdoel. Comment
  SEINET10490807  Lupinus lyallii var. lyallii Robert T. Clausen, Harold Trapido 1940-7-27 Clausen 4966 Siskiyou In volcanic dust in forest of abies magnifica on w side of mountainhouse creek, About 4 mi n-ne of summit of mt. Shasta. Upper petals blue suffused with Purple, lower ones blue. Cascade mtns. Sacramento river basin. 2134 Comment
  RSA32811  Lupinus obtusilobus A. A. Heller 15765 Siskiyou About Horse Camp, Mt. Shasta. 2439 Comment
  UC15983  Lupinus obtusilobus W. H. Brewer 1862-9-13 1387 Siskiyou Mount Shasta 2438 Comment
  UC454622  Lupinus obtusilobus I. J. Condit 1911-7-22 Siskiyou Horse Camp Mt. Shasta 2438 Comment
  UC60976  Lupinus obtusilobus Geo. B. Grant Sept. 1902 5090 Siskiyou Horse Camp; Mt. Shasta 2438 Comment
  RSA176875  Lupinus onustus A. A. Heller 1927-5-14 14371 Siskiyou Spring Hill, near the town of Mt. Shasta. Comment
  RSA123788  Lupinus polyphyllus subsp. polyphyllus Douglas Barbe 1955-7-5 103 Siskiyou 2.5 miles north of Etna on Greeview Rd. 884 Comment
  HSC32760  Lupinus polyphyllus subsp. polyphyllus Frederick W. Oettinger 1969-7-31 1111 Siskiyou W of English Lake 1799 Comment
  CHSC930  Lupinus polyphyllus var. pallidipes K. Jaekel 1939-7-7 Siskiyou Mt. Shasta. 1219 Comment
  SEINET10490890  Lupinus sellulus var. sellulus Smith 1929-7-17 Smith 4415 Siskiyou Edgewood. Comment
  SEINET3881818  Luzula campestris Rimo C. Bacigalupi, Mr. Van Deventer; Mrs. Van Deventer 1959-7-9 7257 Siskiyou Poker Flat.; 0 622 Comment
  CAS-BOT-BC436706  Luzula comosa var. laxa Roxana S. Ferris; Laura Lorraine 1948-6-12 11743 Siskiyou French Creek Logging Road west of Callahan 1219 Comment
  CAS-BOT-BC436709  Luzula comosa var. laxa Alice Eastwood 1921-7-28 10908 Siskiyou Medicine Lake Comment
  RSA14322  Luzula comosa var. laxa Elmer I. Applegate 1895-5-28 753 a Siskiyou Sisson, Strawberry Valley. Comment
  CAS-BOT-BC441293  Luzula macrantha W. R. Dudley 1893-6-21 s.n. Siskiyou Peter Klink Meadow Comment
  SJSU6492  Luzula parviflora R. W. Trivelpiece 1972-6-14 109 Siskiyou Vann Creek, near Bear Peak, 15 mi SW of Happy Camp 1280 Comment
  UC1148967  Luzula parviflora Jack Major, M. Fleschner, and R. Pemble 1966-9-5 Siskiyou along trail from Marble Mountain to Sky High Lake (e of Marble Mountain, Marble Mountains); Marble Mountains, e of Marble Mountain 1975 Comment
  UCD142171  Luzula parviflora J. M. Tucker 1963-8-19 3779 Siskiyou Marble Mountain Wilderness Area, headwaters of Canyon Creek. 1950 Comment
  RSA233690  Luzula subcongesta Robert F. Thorne, Frederick W. Oettinger 1969-8-10 38951 Siskiyou Mt. Shasta National Forest: S slope of Mt. Shasta, Panther Creek Meadows 2195 Comment
  HSC36660  Lysichiton americanus Brent Whiteley 1975-6-29 105 Siskiyou 976 Comment
  RSA120868  Machaeranthera canescens var. shastensis H. K. Wagnon 1957-8-11 1701 Siskiyou East slope of Mt. Shasta in meadow ca. 1 mile west of Military Pass Road, along road to Brewer's Creek Comment
  RSA237494  Madia bolanderi Frederick W. Oettinger 1967-8-21 312 Siskiyou Northwest of Pine Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1878 Comment
  POM362228  Madia citriodora M. B. Dunkle 1944-6-25 9022 Siskiyou Siskiyou National Forest. 1677 Comment
  CAS-BOT-BC344006  Madia elegans Louis C. Wheeler 1934-6-28 2809 Siskiyou Klamath National Forest. Beaver Cr. 914 Comment
  POM31388  Madia elegans subsp. elegans Geo D. Butler 1910-5-27 1413 Siskiyou Dry land near Yreka Comment
  UCR66731  Madia exigua L. C. Wheeler 1934-6-2 02607 Siskiyou Siskiyou Mtns, Oak knoll ranger station, Klamath River 671 Comment
  CAS-BOT-BC334665  Madia glomerata Louis C. Wheeler 1934-8-24 3216 Siskiyou Trapper Creek, Siskiyou Mountains 1859 Comment
  CAS-BOT-BC343435  Madia gracilis Wm. Bridge Cooke 1938-8-19 11523 Siskiyou Lower Bear Spring, Mt. Shasta 1524 Comment
  CHSC79468  Madia gracilis G. F. Hrusa 1998-7-5 14690 Siskiyou Northern California. Siskiyou Mountains. Bear Creek Rd. +/- 1/2 mi. N of Hwy 96 and 10 mi. SW of Happy Camp. UTM: 10S, 04623 N, 46153 E. Comment
  HSC29116  Madia gracilis Frederick W. Oettinger 1969-8-18 1433 Siskiyou Marble Mountain Wilderness Area, English Peak vicinity, Horse Range Lake 1860 Comment
  POM362197  Madia madioides J. O. Sawyer, Ken Stillman 1976-5-28 2727 Siskiyou Along road west of Sawyers Bar 610 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
  RSA24233  Mahonia aquifolium C. B. Wolf 1940-12-12 9798 Siskiyou Siskiyou Mts. 7 mi. above Oak Knoll ranger station on rd. to Dry Lake Lookout. 1372 Comment
  RSA537395  Mahonia aquifolium W. Wisura, J. Romero 1991-10-17 4595 Siskiyou 1.5 mi up Sugar Creek Rd, N of Callahan. Comment
  RSA452625  Mahonia nervosa M. B. Dunkle 1944-6-25 9012 Siskiyou Beaver Creek, Siskiyou Mt. 1677 Comment
  SEINET5339080  Mahonia repens G. Butler 1910-8-1 1807 Siskiyou Yreka Creek Comment
  RSA237902  Maianthemum racemosum subsp. amplexicaule Frederick W. Oettinger 1968-8-7 438 Siskiyou East side of Hancock Lake. The Salmon Mountains, the high lake basins in the vicinity of English Peak, Marble Mountains Wilderness Area 1936 Comment
  HSC58947  Maianthemum stellatum Marvin Butler 1971-7-11 100 Siskiyou Near Bell Echo Camp 1403 Comment
  UC920138  Malacothrix floccifera L. Constance, J. F. Davidson, B. Kasapligil, and H. L. Mason 1930-7-15 3355 Siskiyou between Fort Jones and Etna; Scott Valley, Scott River 914 Comment
  CHSC91361  Medicago lupulina Lowell Ahart; John Dittes 2005-6-10 12063 Siskiyou Along a poor dirt road, about 80 yards north of the pump house along the Shasta River, about 1.9 miles (air) south of Highway 99/97 Cutoff, about 6 miles (air) east-southeast of Grenada. 776 Comment
  POM259099  Melica bulbosa C. L. Hitchcock, J. S. Martin 1939-7-9 5311 Siskiyou Between King's Castle and Black Mountains, west side of ridge. 1829 Comment
  CHSC36113  Melica californica K. Bridwell 1978-4-14 83 Siskiyou Along Klamath River ca. 4 mi s of Hornbrook. 670 Comment
  HSC2190  Melica californica Lincoln Constance, R. C. Rollins 1942-5-14 2934 Siskiyou Shasta River, 6 mi. N of Yreka. 762 Comment
  UC673173  Melica californica Lincoln Constance and Reed C. Rollins 1942-5-14 2934 Siskiyou 6 mi n Yreka (Shasta River); Klamath-Siskiyou Region 762 Comment
  SEINET10860810  Melica californica Lincoln Constance, Reed C. Rollins 1942-5-14 Constance 2934 Siskiyou Basaltic slope with Ceanothus, Schmaltzia, Toxicodendron and Artemisia, Pinus ponderosa-Juniperus association. Shasta River 6 miles north of Yreka. 762 Comment
  JEPS69302  Melica fugax Geo. D. Butler 1909-5-26 824 Siskiyou near Yreka Comment
  UCD87279  Melica fugax A. A. Heller 1921-7-7 13568 Siskiyou East slope of Mt. Eddy, in the Canadian Life Zone. Comment
  UCD87354  Melica geyeri R. Tofsrud 1948-8-1 s.n. Siskiyou Near summit of road between Happy Camp and O'Brien, Oregon. Comment
  CAS-BOT-BC281312  Melica harfordii Marion Ownbey; Fred G. Meyer 1940-7-7 s.n. Siskiyou Near summit of Cayenne Ridge, Marble Mountain Comment
  UCD87368  Melica harfordii A. A. Beetle; G. L. Stebbins Jr. 1942-6-1 3446 Siskiyou 11 miles north of Happy Camp, banks of Indian Creek. Comment
  SEINET10599434  Melica harfordii F. Marion Ownbey 1940-7-7 Ownbey 2217 Siskiyou Gravelly soil in open places near summit of Cayenne Ridge, Marble Mountain. Comment
  CDA36641  Mentzelia dispersa var. latifolia T. C. Fuller 1958-6-19 s.n. Siskiyou Tom Williams property, 4 miles northeast of Montague. 0 Comment
  CAS-BOT-BC428608  Micranthes bryophora Ira L. Wiggins 1955-7-27 13547 Siskiyou Caribou Lake, Salmon-Trinity Alps Primitive Area 2042 Comment
  CAS-BOT-BC428734  Micranthes californica G. Muth 1966-7-31 475 Siskiyou Marble Valley Comment
  CAS-BOT-BC348423  Micropus californicus var. californicus L. E. Smith 1913-4-23 s.n. Siskiyou Hornbrook Comment
  UC1112880  Microseris nutans Milo S. Baker, Douglas Barbe, and H. K. Wagnon 1957-6-16 13154 Siskiyou a few mi up grade Callahan-Trinity Center Rd.; Scott Mountains Comment
  CDA41682  Mimulus alsinoides D. Osterhandt & D. H. Shaw 1978-3-31 s.n. Siskiyou Between Forks of Salmon and Somes Bar. 0 Comment
  JEPS3162  Mimulus breweri George D. Butler 1908-8-7 437 Siskiyou lake at head Wooley Creek 1676 Comment
  UC609342  Mimulus guttatus Eleanor Burks Hart 1938-8-25 947 Siskiyou Upper Wright Lake 2225 Comment
  RSA237287  Mimulus guttatus Frederick W. Oettinger 1967-6-28 142 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
  UC1374813  Mimulus layneae Noel H. Holmgren, Liew Fah Seong 1969-6-25 3617 Siskiyou 23 mi e McCloud (Calif. 89, 1.3 mi from Shasta County line) Comment
  UC164473  Mimulus layneae Geo. D. Butler 1910-6-19 1585 Siskiyou Goosenest foothills 1524 Comment
  SEINET515850  Mimulus mephiticus Vernon Oswald 1997-7-28 8774 Siskiyou Forest Route 49 (Powder Hill Rd.) at 41N03 (to Porcupine Butte), 16 mi. S of Medicine Lake. 1366 Comment
  SEINET515851  Mimulus mephiticus Vernon Oswald 1997-7-28 8774 Siskiyou Forest Route 49 (Powder Hill Rd.) at 41N03 (to Porcupine Butte), 16 mi. S of Medicine Lake. 1366 Comment
  HSC36420  Mimulus moschatus J. O. Sawyer 1968-7-10 522 Siskiyou S side of Sugar Creek. 1616 Comment
  HSC91020  Mimulus nanus Jennifer Whipple 1977-8-4 2147 Siskiyou Trinity and Siskiyou Counties: Summit region of Mt. Eddy 2622 Comment
  SDSU117  Mimulus nanus var. jepsonii David M. Thompson 1988-6-4 932 Siskiyou 8.0 miles E of McCloud along Hwy 89. SW corner of jct of Bigelow Meadows Road and Hwy 89. Opposite Hwy 89 from USFS Road 40N16; 2.4 miles W of turnoff for Cattle Camp Road; 2.0 mile W of USFS Ash Creek Station; T39N, R1W, N1/2 S5. 1097 Comment
  JEPS86952  Mimulus nanus var. nanus David M. Thompson 1988-6-5 934 Siskiyou near Old Station (around entrance to Subway Cave, just n of juct of Hwy 44 and Hwy 89) 1280 Comment
  POM43848  Mimulus primuloides var. linearifolius Geo. D. Butler 1910-7-13 1770 Siskiyou Shackleford Creek. 1220 Comment
  HSC32164  Mimulus pulsiferae J. O. Sawyer 1970-6-17 2205 Siskiyou Dry slopes N of Sugar Lake 1799 Comment
  JEPS32673  Mimulus tilingii Paul C. Hutchison 1962-8-2 930 Siskiyou between top of ski lift and Panther Meadow; Mt. Shasta 2743 Comment
  HSC77097  Mimulus tilingii K. T. Stillman 1976-8-7 366 Siskiyou Marble Mtn. Wilderness Area, trail to Marble Valley Guard Station Comment
  POM101321  Minuartia douglasii Geo. D. Butler 1909-5-2 660 Siskiyou Yreka. Comment
  CAS-BOT-BC174738  Minuartia nuttallii Alice Eastwood 1923-5-23 11923 Siskiyou Cantara, S.P.R.R. Comment
  CAS-BOT-BC174740  Minuartia nuttallii Elmer I. Applegate 1923-8-18 3864 Siskiyou Top of Redshale Mountain, east of Medicine Lake 2438 Comment
  HSC76921  Minuartia nuttallii subsp. gregaria K. T. Stillman 1976-6-26 133 Siskiyou Marble Mtn. Wilderness Area, top of ridge W of Kings Castle. 2073 Comment
  UC726553  Minuartia nuttallii subsp. gregaria A. A. Heller 1916-7-22 12492 Siskiyou Mt. Eddy; e side Comment
  NY342563  Minuartia stolonifera T. W. Nelson 1985-6-19 7839 Siskiyou Along south side of State Route 3; 3.1 miles north of Scott Mountain Pass 1219.2 Comment
  RSA661226  Mirabilis greenei Rachel Levin 1998-5-25 98- 4 -A/B Siskiyou On Copco Road, 2.4-5 miles from jct. with I-5, head east towards the Copco Dam, plants on left side of road. Comment
  HSC61136  Mitella breweri Al Hobart 1968-6-20 Siskiyou El Capitan. Comment
  HSC62312  Mitella breweri Al Hobart 1968-6-23 Siskiyou Youngs Valley 1524 Comment
  HSC44363  Mitella pentandra Maralyn O'Meara 1973-6-24 232 Siskiyou Statute Lake Creek where it is crossed by Music Creek logging rd., 0.25 mi. from confluence of Statute Lake Creek and Music Creek 1829 Comment
  HSC450  Mitella trifida William J. Ferlatte 1967-6-29 570 Siskiyou Along Yellow Rose Mine Trail 1829 Comment
  LA54314  Monardella odoratissima Carl Epling; 1938-6-13 sn Siskiyou near Weed Comment
  JEPS105109  Monardella odoratissima subsp. glauca Dean W. Taylor 1993-7-30 13992 Siskiyou Bolan Lake Road (Forest Road 4812) about 2 miles east of Indian Creek Road (Forest Road 40S07); Klamath National Forest 1584 Comment
  SD88485  Monardella odoratissima subsp. glauca Darley F. Howe 1972-7-5 Siskiyou Near state line on Oregon to Happy Camp road. 1707 Comment
  CAS-BOT-BC220360  Monardella odoratissima subsp. pallida Elizabeth McClintock; Wayne Roderick; Martha Roderick 1967-7-28 s.n. Siskiyou Gumboot Lake, Trinity Mts. 1828 Comment
  CAS-BOT-BC220362  Monardella odoratissima subsp. pallida J. M. Tucker 1963-8-19 3785 Siskiyou Headwaters of Canyon Creek, Marble Mountain Wilderness Area 1920 Comment
  SD76167  Monardella odoratissima subsp. pallida Helen V. Witham 1969-10-9 596 Siskiyou McBride Springs Road, Mt. Shasta. 1500 Comment
  UC2035862  Monardella odoratissima subsp. pallida Carl B. Wolf 1934-7-6 5993 Siskiyou Southwest slope of Mt. Shasta. 4 mi from Mt. Shasta City on Wagon Camp Road. 1219 Comment
  HSC40880  Monotropa hypopitys J. O. Sawyer 1973-7-18 2549 Siskiyou Hamilton Camp Comment
  RSA262375  Monotropa hypopitys D. V. Hemphill 1974-7-28 s.n. Siskiyou Ca. 1/4 mile north of Jawbone Camp. Marble Mountain Wilderness Area. 1555 Comment
  RSA604349  Monotropa hypopitys A. Sanger 1997-8-22 2608 Siskiyou Medicine Lake Highlands, along the road to Alcohol Crater plast the sump pond, south side of the road. 2146 Comment
  UCD117676  Monotropa hypopitys D. V. Hemphill 1974-7-28 s.n. Siskiyou ca. 1/4 mile north of Jawbone Camp, Marble Mountain Wilderness area. 1554 Comment
  RSA601900  Montia chamissoi L. C. Wheeler 1935-7-26 3705 Siskiyou Siskiyou mountains: Jaynes Canyon 1951 Comment
  CDA23981  Montia linearis Don Shaw 1974-5-14 Siskiyou Emigrant Creek Ranches, Greenview, Quartz Valley. 0 Comment
  HSC22225  Montia parvifolia J. O. Sawyer 1969-6-13 1103 Siskiyou Slope above Little Duck Lake 2134 Comment
  HSC39859  Muhlenbergia asperifolia J. P. Smith, Steve Selva 1970-8-9 4582 Siskiyou In potato fields W of Macdoel. Comment
  RSA239103  Muhlenbergia filiformis Frederick W. Oettinger 1969-9-1 1575 Siskiyou Sandy margin of Katherine Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2027 Comment
  UCD86716  Muhlenbergia filiformis R. Tofsrud 1950-7-1 s.n. Siskiyou E. side of Mt. Shasta. Comment
  CAS-BOT-BC262585  Muhlenbergia jonesii John R. Reeder; Charlotte G. Reeder 1972-7-24 5807 Siskiyou 1.5 miles SSE of Bartle 1219 Comment
  RSA239110  Muhlenbergia montana Frederick W. Oettinger 1968-9-7 753 Siskiyou Near north end of Hancock Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1951 Comment
  CHSC71897  Muhlenbergia richardsonis Vernon H. Oswald; Lowell Ahart 1998-9-8 9605 Siskiyou Julia Glover Flat on USFS 3 ca. 6 air mi west of Mosquito Lake and Whitehorse Flat Reservoir. 1112 Comment
  CHSC71288  Myosotis discolor Vernon H. Oswald; Lowell Ahart 1998-6-11 9211 Siskiyou Old State Hwy. 0.5 mi west of Bray, ca. 10 air mi east of Grass Lake located on Hwy. 97, ca. 23 air mi northeast of Weed. Along a roadside ditch on the edge of the meadow. 1414 Comment
  HSC100793  Myosotis laxa Lowell Ahart, John Dittes 2010-7-30 16944 Siskiyou N side of water ditch, ~30 yd. S of the Shasta River, ~80 yd. W of the pipe across the river, ~200 yd. E of 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
  CHSC71320  Myosurus apetalus var. montanus Vernon H. Oswald; Lowell Ahart 1998-6-11 9221 Siskiyou Butte Valley National Grassland near the junction of Meiss Lake-Sams Neck Rd. and Hwy. 97 ca. 5 mi north of Macdoel. Along the edge of a vernal pool. 1295 Comment
  CHSC71321  Myosurus sessilis Vernon H. Oswald; Lowell Ahart 1998-6-11 9222 Siskiyou Butte Valley National Grassland near the junction of Meiss Lake-Sams Neck Rd. and Hwy. 97 ca. 5 mi north of Macdoel. Along the edge of a vernal pool. 1295 Comment
  POM228958  Myriophyllum sibiricum Louis C. Wheeler 1934-10-21 3336 Siskiyou Shasta Valley 4 miles east of Grenada. 868 Comment
  CHSC9485  Nama lobbii J. F. Goodwin 1971-7-3 136 Siskiyou 6.0 mi. south of Mt. Shasta Ski Bowl area. 1737 Comment
  RSA12569  Nama lobbii Carl B. Wolf 1934-7-6 s.n. Siskiyou Southwest side of Mt. Shasta about 1 mile northwest of Wagon Camp. 1524 Comment
  UC618615  Nama lobbii W. Bridge Cooke 1938-6-17 11034 Siskiyou Sisson Southern trail , Sisson Southern Trail (Mount Shasta) 1371 Comment
  HSC96303  Narthecium californicum Gordon Leppig 1998-8-14 1011 Siskiyou Klamath National Forest, Russian Wilderness, Little Duck Lake Fen, cirque W of Little Duck Lake 2200 Comment
  HSC563  Narthecium californicum William J. Ferlatte 1966-8-17 402 Siskiyou NW side of Caribou Mtn. 1829 Comment
  HSC19230  Navarretia capillaris J. O. Sawyer 1969-7-1 987 Siskiyou Above Paynes Lake Creek 1951 Comment
  UC163862  Navarretia divaricata Geo. D. Butler 1908-8-8 104 Siskiyou lake at head of West Fork of Woolly Creek West Fork of Woolly Creek Comment
  JEPS93883  Navarretia intertexta subsp. intertexta Vernon H. Oswald and Lowell Ahart 1998-7-21 9334 Siskiyou on the s side of Tennant Road 0.4 mi se of Old State Highway to Bray (ne of Weed and e of Grass Lake at a gravel pit); Tennant Road 1402 Comment
  UC879890  Navarretia linearifolia subsp. linearifolia A. A. Heller 1915-7-18 12119 Siskiyou Metcalf's RAnch ne base Mt. Eddy, Metcalf's Ranch 1188 Comment
  SBBG48692  Nitrophila occidentalis R. N. Philbrick 1974-9-2 Siskiyou Shasta River, just E of Grenada Comment
  RSA48579  Noccaea P. A. Munz 1949-5-18 13303 Siskiyou N of Trinity-Siskiyou co line, N of Trinity Center, road from Trinity Center to Callahan. 1585 Comment
  HSC68982  Noccaea fendleri subsp. glauca Maralyn A. Renner 1980-7-24 2056 Siskiyou Lily Pad Lake 1768 Comment
  CAS-BOT-BC60575  Noccaea fendleri subsp. glauca A. A. Heller 1922-7-3 13677 Siskiyou Mount Eddy south of Wagon Creek. 2438 Comment
  HSC75106  Noccaea fendleri subsp. glauca J. P. Smith, Thomas W. Nelson 1979-6-16 10136 Siskiyou Klamath National Forest, along Hwy. 3, 3.1 mi. from the Scott Mtn. summit. 1280 Comment
  UC971909  Nothochelone nemorosa Herbert L. Mason 1950-7-16 14062 Siskiyou road from Happy Camp (California) to Waldo (Oregon) Happy Camp Comment
  HSC27594  Notholithocarpus densiflorus Carl W. Mize 1972-6-21 67 Siskiyou Along trail 335 Comment
  UC164428  Oenothera deltoides subsp. piperi Geo. D. Butler 2000 Siskiyou Comment
  SEINET5345412  Oenothera villosa var. strigosa G. Butler 2010-7-30 1799 Siskiyou Yreka Creek Comment
  OBI5240  Onopordum tauricum W. T. Parsons & T. C. Fuller, T. C. Fuller 1960-7-26 4878 Siskiyou Around an old barnyard, F. Voelker ranch, W edge of Meiss Lake Basin, just S of Sam's Neck, ca 15 mi SW of Dorris Comment
  SEINET13694636 Image available Onopordum tauricum T. C. Fuller 1960-4-26 s.n. Siskiyou Dorris Comment
  RSA25794  Opuntia fragilis C. B. Wolf 1941-7-26 11074 Siskiyou East side of Little Shasta Valley at Coonrod Ranch (12 miles NE of Weed, then 8 miles N on road to Montague 884 Comment
  JEPS89441  Oreostemma alpigenum var. andersonii Dean W. Taylor 1992-9-18 13230 Siskiyou 0.5 m below Gumboot Lake (North Coast Ranges, Gumboot Creek, watershed South Fork Sacramento River); North Coast Ranges, Gumboot Creek 1844 Comment
  UC1619965  Oreostemma alpigenum var. andersonii Barbara Ertter with Julie Kierstead and Jim Nelson 1990-7-15 9357 Siskiyou ca. 5 airmi. due w. Shasta City (Morgan Meadows on e. side of Mt. Eddy); Mt. Eddy, Morgan Meadows 1676 Comment
  CAS-BOT-BC499825  Orobanche corymbosa subsp. corymbosa John Thomas Howell 1934-7-4 12387 Siskiyou SE corner of Siskiyou county: between Timbered Crater and Little Hot Springs Valley Comment
  HSC91957  Orobanche fasciculata Jennifer Whipple 1976-7-13 1457 Siskiyou E and S facing slopes draining into the N Fork of the Sacramento River. 2256 Comment
  UC1409492  Orobanche fasciculata Frederick W. Oettinger 1968-8-17 552 Siskiyou Salmon Mountains. The High Lake Basins in the Vicinity of English Peak, Marble Mountain Wilderness Area. From Taylor Cabin to Pine Lake. Comment
  CAS-BOT-BC500189  Orobanche fasciculata R. E. Frenkel 1963-7-13 216 Siskiyou On Everitt Memorial Highway, 1.0 mi N of McCloud River RR crossing, near Mt. Shasta 1219 Comment
  HSC29192  Orogenia fusiformis Frederick W. Oettinger 1969-7-13 999 Siskiyou High Lakes Basins, Marble Mountain Wilderness Area, Upper English Lake campsite at NE corner 1768 Comment
  HSC58956  Orthocarpus cuspidatus subsp. copelandii Gilbert Muth 1975-7-31 4035 Siskiyou Near Lily Pad Lake, close to the town of Seiad Valley 1585 Comment
  UCSB24668  Orthocarpus cuspidatus subsp. copelandii Hardham, Clare 1961-7-3 Siskiyou Scott Mtns. south of Calahan Comment
  JEPS9882  Orthocarpus cuspidatus subsp. cuspidatus Geo. D. Butler 1909-6-22 930 Siskiyou Goosenest Mountain Comment
  RSA48232  Orthocarpus lacerus Roxana S. Ferris, Laura Lorraine 1948-6-12 11787 Siskiyou Scott Mountain Road south of Callahan. Comment
  JEPS101144  Orthocarpus pachystachyus Dean W. Taylor 1996-6-18 15721 Siskiyou Scott Mountains; bordering Shasta Valley, base of hillslopes about 4 miles south of Gazelle, about 100 meters upslope from the Yreka Ditch 960 Comment
  HSC65503  Osmorhiza berteroi R. White 1977-7-21 128 Siskiyou Slope below outlet of Raspberry Lake. 1512 Comment
  RSA459027  Osmorhiza occidentalis L. C. Wheeler 1934-8-16 3166 Siskiyou Siskiyou Mountains: 2 mi. east of White Mt. (Mt. Diablo Mer.) 1920 Comment
  CAS-BOT-BC413220  Oxyria digyna Maxine Wilkes 1940-8-1 s.n. Siskiyou Deep Lake, Marble Mts. Comment
  HSC83920  Oxyria digyna K. Berg, Stephanie Bennett 1986-8-25 647 Siskiyou Salmon-Trinity Alps Wilderness, headwaters of Little S Fork of Salmon River, above Little S Fork Lake 1982 Comment
  SD88391  Ozomelis trifida Darley F. Howe 1972-7-5 4875 Siskiyou 0.6 miles south of Oregon state line on road to Happy Camp 1707 Comment
  HSC90558  Packera cana Jennifer Whipple 1976-7-25 1579 Siskiyou N face of Mt. Eddy 2500 Comment
  UC53872  Packera cana H. M. Hall and E. B. Babcock June 1903 4095 Siskiyou near Sheep Rock; n side Mount Shasta 853 Comment
  CAS-BOT-BC316760  Packera cana A. Heller 1921-7-17 s.n. Siskiyou Occasional on the long gravelly slope of Mt. Eddy west of Wagon Creek.Hudsonian 2286 Comment
  CAS-BOT-BC28833  Paeonia brownii A. A. Heller 1905-6-8 7994 Siskiyou Yreka Comment
  SEINET5337443  Paeonia brownii G. Butler 1910-4-23 1229 Siskiyou Quartz Valley Comment
  UCSC004604  Panicum dichotomiflorum subsp. dichotomiflorum Randall Morgan 2004-8-3 4272 Siskiyou Castle Crags State Park, Sacramento River Comment
  CAS-BOT-BC175508  Parnassia fimbriata J. M. Tucker; L. K. Mann; S. L. Holloway 1963-8-18 3745 Siskiyou Upper Canyon Creek, ca. 1/2 mile northeast of the Marble Valley Guard Station, Marble Mountain Wilderness Area 1920 Comment
  HSC366  Parnassia fimbriata W. J. Ferlatte 1967-8-20 1060 Siskiyou Trinity Alps, Caribou Basin, Sawtooth Ridge. Steep N facing slope. 2043 Comment
  CAS-BOT-BC175614  Parnassia palustris Wm. Bridge Cooke 1938-9-8 11671 Siskiyou Squaw Creek, Heather Meadows Comment
  CAS-BOT-BC202867  Paxistima myrsinites W. R. Dudley 1893-6-20 s.n. Siskiyou Castle Lake Trail, near Mt. Shasta Comment
  HSC29127  Paxistima myrsinites Frederick W. Oettinger, R. F. Thorne 1969-8-7 1281 Siskiyou Salmon Mtns., Marble Mtn. Wilderness Area, E side of English Lake Outlet 1768 Comment
  JEPS24623  Paxistima myrsinites Rimo Bacigalupi with Drs. Reino and Aloha Alava 1958-8-31 6776 Siskiyou between Shasta Retreat and Shasta Springs (directly opposite Mossbrae Falls, bank of Sacramento R.); Sacramento R. 731 Comment
  SBBG4073  Paxistima myrsinites K. K. Muller 1954-6-23 647 Siskiyou Siskiyou Mtns 1.8 mi below summit, 3.5 mi S of Oregon line on rd to Happy Camp Comment
  CHSC1638  Pectiantia pentandra V. Holt 1943-8-13 Siskiyou Marble Mountains. 1828 Comment
  POM72141  Pectocarya pusilla Geo. D. Butler 1910-4-21 1215 Siskiyou Oro Fino Comment
  OBI55459  Pedicularis attollens David J. Keil, Kathleen Keil 1992-7-21 23544 Siskiyou Klamath Natl Forest SE of Callahan. Forest Rd 40N08. 1.7 mi W of Scott Mtn rd (hwy 3) Comment
  CHSC1838  Pedicularis densiflora M. Yoder 1941-6-28 Siskiyou Castle Lake. 1920 Comment
  UCSB23732  Pedicularis densiflora Keefe, Joseph 1967-7-11 Siskiyou 2.3 miles north of Castle Lake, 10 miles southeast of town of Mt. Shasta 1219 Comment
  UC27322  Pedicularis groenlandica Harley P. Chandler June, 1901 1561 Siskiyou near Marble Mountain; North Coast Ranges 1828 Comment
  UCR131623  Pedicularis racemosa L. C. Wheeler 1934-6-12 2702 Siskiyou Siskiyou Mountains, Hungry Creek 1280 Comment
  SEINET10702295  Pedicularis racemosa var. racemosa Karen M. Meyer, Andrew Townesmith 2007-7-31 Meyer 181 Siskiyou Shasta-Trinity National Forest. 8.1 mi. on NF Rd. 17, off US Hwy. 97. 1607 Comment
  CAS-BOT-BC67678  Pellaea brachyptera Lincoln Constance; Reed C. Rollins 1942-5-14 2933 Siskiyou Klamath - Siskiyou Region - Shasta River 6 miles north of Yreka. 762 Comment
  RSA87592  Pellaea brachyptera Arthur R. Kruckeberg 1951-9-3 2802 Siskiyou On open dirt road above Joe Spini Ranch, just west of town of Mount Shasta, across river, between Wagon Creek and Deer Creek Bridges Comment
  SEINET6429241  Pellaea brachyptera L. C. Wheeler 1934-6-21 2744 Siskiyou Siskiyou Mtns; West Fork Cottonwood Creek 1238 Comment
  UC775207  Pellaea brachyptera W. H. Wagner Jr. 1949-4-26 4608 Siskiyou Memorial Hwy (dirt road) from Shasta Springs to Sand Flats (w side of base of Mt Shasta); Mt Shasta Comment
  CAS-BOT-BC67671  Pellaea breweri John Thomas Howell 1939-8-2 14874 Siskiyou Marble Mts. - Spirit Lake Comment
  CAS-BOT-BC67672  Pellaea breweri John Thomas Howell 1939-8-2 14874 Siskiyou Marble Mts. - Spirit Lake 1828 Comment
  UCD137694  Pellaea breweri John M. Tucker 1963-8-18 3760 Siskiyou Marble Mountain Wilderness Area, Black Marble Mountain. 2133 Comment
  JEPS84083  Penstemon anguineus L. R. Heckard with S. D'Alcamo, J. Hickman, S. Winchester 1986-7-15 6294 Siskiyou Indian Creek Road from Takilma to Happy Camp (just s of state line); Indian Creek Road fr Takilma to Happy Camp 1420 Comment
  UC922585  Penstemon anguineus Annie M. Alexander and Louise Kellogg 1948-9-8 5597 Siskiyou top of grade between Sawyers Bar and Etna; between Sawyers Bar and Etna Comment
  RSA165522  Penstemon anguineus Clare B. Hardham 1961-7-2 8061 Siskiyou Ridge west of Etha. Comment
  RSA50222  Penstemon anguineus E. K. Balls 1949-7-9 13929 Siskiyou 7.6 miles from Etna on road to Sawyer's Bar. 915 Comment
  SEINET185112 Image available Penstemon azureus C. L. Hitchcock, J. S. Martin 1939-7-6 5230 Siskiyou peak above and north of Divide of Siskiyou Mts., California on Takilma Happy Camp road 1829 Comment
  JEPS94895  Penstemon cinereus Vernon H. Oswald and Lowell Ahart 1998-6-11 9190 Siskiyou ne of Weed (Shasta National Forest plantation on the w side of Highway 97, 2.2 mi ne of Lake Shastina-Big Springs Road); Shasta National Forest plantation, Highway 97 1066 Comment
  RSA151969  Penstemon cinereus R. C. Bacigalupi, L. R. Heckard, G. Bacigalupi, Ruth D. Sanderson 1952-6-18 3740 Siskiyou Near Panther Creek Guard Station, along Little Shasta River, 16 miles E of Montague on forest road to Mount Hebron. 1280 Comment
  CHSC110960  Penstemon davidsonii B. Castro; L. P. Janeway 2007-7-28 1663 Siskiyou High Cascade Range. SE shoulder of Glass Mountain, along trail ca 0.3 mi N of Modoc NF Rd43N99. 2145 Comment
  CLARK-A1528-1220  Penstemon davidsonii John C. Roos 1948-9-1 3983 Siskiyou Etna Comment
  CAS-BOT-BC265386  Penstemon davidsonii var. davidsonii Arthur L. Menzies 1962-7-23 s.n. Siskiyou Castle Lake Comment
  NY591453  Penstemon davidsonii var. davidsonii L. C. Wheeler 1934-8-5 3044 Siskiyou Siskiyou Mountains, Condrey Mountain. 2164.1 Comment
  HSC22163  Penstemon deustus J. O. Sawyer 1969-7-2 1014 Siskiyou Slope above Big Blue Lake 2256 Comment
  JEPS13733  Penstemon deustus B. Wise Neilsen 1936-10-18 Siskiyou 2 mi nw Etna Mt. (Salmon Mt.); , nw of Etna Mt. Comment
  SBBG30644  Penstemon deustus D. Myrick 1968-6-27 2037 Siskiyou just above Carter's Ranch, 5 mi S of Big Flat 1676 Comment
  HSC63257  Penstemon deustus M. A. Baker 1979-7-31 1098 Siskiyou Johnson's Hunting Ground, 0.4 k. N of trail to Independence Valley 2000 Comment
  RSA412528  Penstemon deustus M. B. Dunkle 1945-7-6 9207 Siskiyou Black Marble Mtn. Klamath National Forest. Marble Mtns. 2195 Comment
  POM256009  Penstemon deustus subsp. deustus Marion Ownbey, Ruth P. Ownbey 1938-7-19 1750 Siskiyou 2.5 miles northwest of Dry Lake Lookout, summit of the Siskiyou Mtns. Comment
  CHSC96032  Penstemon deustus var. suffrutescens L. P. Janeway 2006-7-3 8767 Siskiyou Klamath Ranges. Salmon Mountains; along Music Creek Trailhead Road about 1.5 km west of upper crossing of Music Creek. 1646 Comment
  JEPS95925  Penstemon deustus var. suffrutescens Vernon H. Oswald and L. Ahart 1999-7-5 9815 Siskiyou Hwy. 3 0.5 mi southeast of Gazelle-Callahan Hwy.: T40N R8W Sect. 23, 3250 ft, mixed coniferous forest 990 Comment
  NY609839  Penstemon deustus var. suffrutescens E. I. Applegate 1898-5-15 2136 Siskiyou Along Klamath River, between Shovel Creek and Fall Creek 792.5 Comment
  NY600718  Penstemon gracilentus E. K. Balls 1952-10-13 18192 Siskiyou Mt. Shasta, 10.4 miles northeast of town of Mt. Shasta on John Everitt Memorial Highway up the mountain 1828.8 Comment
  RSA21195  Penstemon gracilentus Carl B. Wolf 1937-8-8 9083 Siskiyou SW side of Mt Shasta, along John S. Everett Memorial Hwy. 2134 Comment
  SEINET10964580  Penstemon gracilentus Mary Susan Taylor 1980-8-18 Taylor 3262 Siskiyou T43N R1E sw sec 8, Medicine Lake quad. Shasta-Trinity Natl Forest, Little Mount Hoffman, W side, between road and look out. With J. Prouty & E. Heinz. 2225 Comment
  JEPS11463  Penstemon heterodoxus var. shastensis W. L. Jepson 1940-7-3 20106 Siskiyou (5 mi se Bartle) (Large meadow.); Big Bear Flat 1219 Comment
  HSC72494  Penstemon heterophyllus J. P. Smith, Steve Selva 1970-6-16 4017 Siskiyou 4 mi. from Hwy. 3 on Rd. 8 to Sugar Creek 1159 Comment
  JEPS101505  Penstemon humilis var. humilis Dean W. Taylor 1997-6-11 16046 Siskiyou Duzel Rock, headwaters Moffett Creek, Scott River drainage 2072 Comment
  JEPS128  Penstemon laetus var. sagittatus Ruby Van Deventer 1938-7-31 196 Siskiyou trail to Twin Valley from Poker Flat; trail to Twin Valley from Poker Flat 1249 Comment
  UC722757  Penstemon laetus var. sagittatus C. L. Hitchcock, J. S. Martin 1939-7-6 5210 Siskiyou on Takilma-Happy Camp Road 1676 Comment
  NY604554  Penstemon laetus var. sagittatus K. A. Vincent 1987-6-28 4443 Siskiyou Cascade Range, Mount Shasta; on lava flow between Mount Shasta and Whaleback, along Andesite - Military Pass Road, ca. 1 mile southeast of jct. US 97, ca. 14.4 miles northeast of jct. US 97 & I-5 Bus. Loop in Weed. 1432.6 Comment
  POM203121  Penstemon laetus var. sagittatus Alice Eastwood, John T. Howell 1934-4-20 1793 Siskiyou 4 miles N of Weed. Comment
  RSA420420  Penstemon laetus var. sagittatus Chadwick, Chadwick 1911-07 s.n. Siskiyou Shasta Springs. Comment
  RSA43895  Penstemon laetus var. sagittatus H. M. Pollard 1947-9-6 s.n. Siskiyou Dillons Mt. Forest Road. 1220 Comment
  UC496170  Penstemon laetus var. sagittatus L. B. Kildale 1930-7-1 Siskiyou Salmon River at Sawyer's Bar; Salmon River at Sawyer's Bar Comment
  UCD69102  Penstemon laetus var. sagittatus D. Sanchez-Mata; P. Rodriguez-Rojo 1997-7-11 s.n. Siskiyou Siskiyou: Mount Shasta-Shasta Peak. J. Everitt Memorial Highway. White fir forests (Castanopsio sempervirentis-Abietetum lowianae Rivas-Martinez and Sanchez-Mata 1997). 1520 Comment
  RSA401782  Penstemon newberryi Louis C. Wheeler 1935-6-27 3605 Siskiyou Head of Etna Creek, Marble Mountains. 1799 Comment
  HSC4840  Penstemon newberryi subsp. berryi J. O. Sawyer 1968-9-9 656 Siskiyou Ridges S of Cyclone Gap 1738 Comment
  HSC55718  Penstemon newberryi subsp. berryi G. L. Clifton, Terry Griswold 1979-7-26 10150 Siskiyou Near Salmon Mtn., close to the town of Forks of Salmon 2104 Comment
  CAS-BOT-BC239334  Penstemon newberryi var. berryi L. E. Smith 1913-6-18 368 Siskiyou Road from Sisson to Castle Lake Comment
  JEPS74527  Penstemon newberryi var. berryi W. J. Ferlatte 1966-6-22 75 Siskiyou Josephine Lake Basin Trinity Alps 1676 Comment
  JEPS26254  Penstemon newberryi var. berryi Friedrich Ehrendorfer 1959-5-29 loc. 22 Siskiyou to the S of the road, at Etna summit, on road from Etna to Finley Camp (Salmon Mtn. summit) 1813 Comment
  UC1585379  Penstemon newberryi var. newberryi R. Raiche 1989-9-7 90321 Siskiyou ca 6 km beyond McBride Spring (Mt. Shasta); , beyond McBride Spring 1385 Comment
  UC335593  Penstemon newberryi var. newberryi unknown Aug. 1878 Siskiyou Shasta Comment
  NY629996  Penstemon parvulus F. W. Pennell 1940-7-17 26171 Siskiyou Northeastern slope, Salmon Mountains, west of Etna 1828.8 Comment
  HSC91115  Penstemon parvulus Jennifer Whipple 1976-7-2 1255 Siskiyou Near edge of Dobkins Lake 2073 Comment
  HSC65006  Penstemon procerus var. brachyanthus D. L. Goforth 1979-7-19 256 Siskiyou Trinity Alps Wilderness Area, Caribou Lakes Basin, 0.3 mi. NW of upper lake 2134 Comment
  JEPS101474  Penstemon procerus var. brachyanthus Dean W. Taylor 1972-7-3 1608 Siskiyou Salmon Mountains, near Little Duck Lake 1981 Comment
  NY638947  Penstemon procerus var. brachyanthus F. W. Pennell 1940-7-17 26180 Siskiyou Above Ruffy Lake, Salmon Mountains, west of Etna 1981.2 Comment
  HSC474  Penstemon roezlii William J. Ferlatte 1966-8-4 299 Siskiyou Yellow Rose Mine 1982 Comment
  UC163815  Penstemon roezlii Geo. D. Butler 1901-6-23 1601 Siskiyou Yreka Creek Comment
  UC1542736  Penstemon roezlii Barbara Ertter with Thomas J. Delendick 1987-5-17 6974 Siskiyou 1.7 mi n S Fk Scott River bridge (w side Rt 3 n of Callahan); n of S Fk Scott River bridge 914 Comment
  UC887140  Penstemon rydbergii var. oreocharis A. A. Heller 1938-7-13 15269 Siskiyou along hwy #97 just s Bray; s of Bray 1402 Comment
  CHSC1888  Penstemon speciosus V. Holt 1932-7-6 Siskiyou Black Butte meadows. 1158 Comment
  JEPS11386  Penstemon speciosus Leonard Joss 1922-1 Siskiyou Etna Mills Comment
  SBBG82056  Penstemon speciosus M. Roantree, B. Bonning 1983-5-28 Siskiyou NW of Callahan on St Hwy 3, near mile marker 10.00 Comment
  SD46693  Penstemon speciosus E. K. Balls, L. W. Lenz 1956-6-18 21798 Siskiyou 7.5 mi. se. of Weed, U.S. Hwy. 99 1219 Comment
  HSC65427  Perideridia leptocarpa D. Reed 1980-8-19 299 Siskiyou Above Scott River Rd., just E of Jones Beach 762 Comment
  SEINET10693779 Image available Perideridia leptocarpa Lincoln Constance, Fei, Mei Chuang; Mario Sousa S. 1966-6-15 Constance 3768 Siskiyou West-facing slope above Trinity River 5 miles north-west of Cecilville. 762 Comment
  CDA38507  Perideridia oregana D. H. Shaw 1982-7-16 s.n. Siskiyou Butte Valley near Dorris. 0 Comment
  CHSC30213  Phacelia cookei B. Williams 1980-6-10 Siskiyou On both sides of Military Pass Rd, ca. 4 mi s of Klamath Falls Hwy, ca. 4 mi n of Mt. Shasta. 1371 Comment
  HSC23000  Phacelia corymbosa William J. Ferlatte 1966-8-4 306 Siskiyou Dorleska summit 2134 Comment
  RSA0003820  Phacelia corymbosa W. L. Jepson 1914-8-14 6161 Siskiyou Dunsmuir. 671 Comment
  UC1076047  Phacelia dalesiana Herbert L. Mason 1947-5-17 14773 Siskiyou Trinity-Siskiyou county line Scott Mountain divide Comment
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Jul 5 2017
  RSA30618  Phacelia egena Lincoln Constance, R. C. Rollins 1942-5-13 2900 Siskiyou Klamath River near Clear Creek, eight miles south of Happy Camp. 305 Comment
  JEPS109690  Phacelia greenei Dean W. Taylor 2002-6-10 18130 Siskiyou Scott Mountain, between Grouse Creek and Little Carmen Creek along Forest Road 40N40 1005 Comment
  UC1034645  Phacelia hastata Milo S. Baker 1955-6-26 13077 Siskiyou between Weed and Gazelle; Shasta Val. 914 Comment
  SEINET8366644  Phacelia hastata F. Sipe 1953-6-17 Siskiyou northeast of Weed. Comment
  UC642520  Phacelia hastata subsp. compacta W. B. Cooke 1940-8-22 15477 Siskiyou Mud Creek Canyon Mount Shasta (along w rim) Comment
  JEPS94266  Phacelia hastata subsp. hastata Vernon H. Oswald and Lowell Ahart 1998-6-11 9181 Siskiyou ne of Weed (Shasta National Forest plantation on w side of Highway 97, 2.2 mi ne of Lake Shastina-Big Springs Road); Shasta National Forest, Highway 97 1066 Comment
  JEPS81027  Phacelia heterophylla subsp. virgata James Payne Smith Jr. 1976-5-5 8699 Siskiyou road between Forks of Salmon and Somes Bar 365 Comment
  UC60951  Phacelia heterophylla subsp. virgata Geo. B. Grant September 1902 5174 Siskiyou Sisson Mt. Shasta 914 Comment
  POM73592  Phacelia heterophylla subsp. virgata Geo. D. Butler 1910-5-7 1300 Siskiyou Near Yreka. Comment
  POM73741  Phacelia heterophylla subsp. virgata Geo. D. Butler 1910-5-22 1386 Siskiyou Yreka Creek. Comment
  HSC86535  Phacelia mutabilis D. K. Imper Jun 1987 Siskiyou 8 mi. E of town of Mt. Shasta 1829 Comment
  UC1034049  Phacelia mutabilis W. Bridge Cooke 1941-9-10 16308 Siskiyou vicinity of Horse Camp Mt. Shasta Comment
  HSC78199  Phacelia mutabilis L. P. Janeway 1983-8-28 644 Siskiyou At Poker Flat, dry NE edge of lower portion of meadow. 1524 Comment
  CDA21304  Phacelia pringlei Bill Ogden 2007-6-6 BO 1 -2007 Siskiyou Northern California; Bridge Rd, Weed. 0 Comment
  JEPS1088  Phacelia procera W. L. Jepson Jul 17 1902-Jul 22 1902 2076 Siskiyou Salmon Summit Western Siskiyou 2286 Comment
  UC923132  Phacelia procera Freed W. Hoffman 1950-7-13 3338 Siskiyou Baldy Mountain Lookout North Coast Ranges (w Siskiyou Co.) 1737 Comment
  HSC62290  Phacelia procera Al Hobart 1969-8-8 Siskiyou Youngs Valley Comment
  UCD120681  Phacelia ramosissima Robert E. Preston 1995-6-22 896 Siskiyou Irongate Reservoir, on open slopes W of Mirror Cove. 731 Comment
  CAS-BOT-BC159068  Phacelia ramosissima var. eremophila Wm. Bridge Cooke 1940-6-20 15135 Siskiyou Near a spring along the Pacific Highway in Gorge at confluence of Shasta and Klamath Rivers 609 Comment
  HSC29425  Philadelphus californicus Frederick W. Oettinger, R. F. Thorne 1969-8-5 1200 Siskiyou Marble Mtn. Wilderness Area, above Willow Spring on English Lake trail 1677 Comment
  CAS-BOT-BC77414  Philadelphus lewisii Louis C. Wheeler 1934-7-16 2910 Siskiyou Klamath National Forest, Oak Knoll R.S. 670 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
  RSA0057589  Philadelphus lewisii I. L. Wiggins 1955-7-21 s.n. Siskiyou Small gulch on Rush Creek Trail 1.5 mi. above Mt. View Ranch. 1037 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
  UC1190253  Philadelphus lewisii Ira L. Wiggins 1955-7-21 13431 Siskiyou small gulch on Rush Creek Trail 1.5 mi above Mt. View Ranch 1036 Comment
  RSA211245  Phleum alpinum William J. Ferlatte 1967-8-23 1110 Siskiyou Kidd Creek Trail. Trinity Alps. 2134 Comment
  RSA21890  Phleum alpinum J. T. Howell 1939-8-9 15224 Siskiyou Marble Mts, Ridge S of Marble Valley Comment
  UCD77913  Phleum alpinum Robert E. Preston 2001-6-23 1605 Siskiyou Klamath National Forest, n-facing slope of Rainbow Mtn, T42N R1W nw 1/4 of nw 1/4 Section 23 2011 Comment
  CAS-BOT-BC250953  Phleum pratense Wm. Bridge Cooke 1938-7-15 11202 Siskiyou Mount Shasta. Bear Springs Comment
  HSC31132  Phlox adsurgens J. O. Sawyer 1971-8-20 2461 Siskiyou Near Huckleberry Mtn. 1829 Comment
  HSC61882  Phlox adsurgens Al Hobart, V. S. 1969-6-18 Siskiyou Poker Flat 1585 Comment
  UC23915  Phlox austromontana Harley P. Chandler Jun 1901 1591 Siskiyou Marble Mountain North Coast Ranges 2133 Comment
  SBBG6059  Phlox speciosa H. and M. Dearing 1939-6-30 3760 Siskiyou Callahan-Trinity Alps Rd 1828 Comment
  HSC45154  Phlox speciosa subsp. nitida J. O. Sawyer, E. Cope 1977-6-19 2952 Siskiyou Clear Creek Trail between Preston Creek and Trout Camp 915 Comment
  HSC45989  Phlox speciosa subsp. nitida J. P. Smith 1973-5-5 6546 Siskiyou Scott Bar along the Scott River Comment
  HSC34002  Phlox speciosa subsp. occidentalis J. P. Smith 1974-5-25 7502 Siskiyou Along Rd. 8, 2.4 mi. W of its junction with Hwy. 3 976 Comment
  HSC39739  Phlox speciosa subsp. occidentalis J. O. Sawyer 1970-4-3 2097 Siskiyou Along Sugar Creek 915 Comment
  HSC82284  Phlox speciosa subsp. occidentalis Thomas W. Nelson, Jane P. Nelson 1979-6-15 4804 Siskiyou Along road to Carmen Lake, 0.6 mi. from junction with State Route. 1646 Comment
  POM202876  Phlox speciosa subsp. occidentalis J. T. Howell, Alice Eastwood 1934-4-20 1756 Siskiyou Near Yreka on Fort Jones Road Comment
  CAS-BOT-BC135341  Phoradendron juniperinum Wm. Bridge Cooke 1939-7-21 13699 Siskiyou Mount Shasta, on the SW side of the Mountain. Howard 1219 Comment
  CAS-BOT-BC56495  Phyllodoce empetriformis Annie M. Alexander; Louise Kellogg 1949-7-28 5876 Siskiyou Sky High Valley, Marble Mountains 1767 Comment
  HSC19152  Phyllodoce empetriformis J. O. Sawyer 1969-8-5 1767 Siskiyou W of Little Duck Lake 2073 Comment
  HSC4825  Phyllodoce empetriformis J. O. Sawyer 1968-6-18 225 Siskiyou Headwaters of Blake's Fork of S Russian Creek 1738 Comment
  HSC760  Phyllodoce empetriformis William J. Ferlatte 1967-7-25 726 Siskiyou Caribou Basin 1982 Comment
  SFV2670  Phyllodoce empetriformis J. Major 1961-7-14 633 Siskiyou Mount Shasta, Panther Meadows Campground. 2271 Comment
  UC917232  Phyllodoce empetriformis R. Tofsrud and J. M. Tucker 1948-8-2 1767 Siskiyou s slope of Mount Shasta, Panther Meadows Panther Meadows; Mount Shasta, Panther Meadows 2407 Comment
  UCD117722  Phyllodoce empetriformis K. F. Mawdsley 1996-7-9 12 a Siskiyou California, Siskiyou County. Russian Wilderness in Klamath NF. Along Little Duck Lake. 2036 Comment
  CDA5887  Physalis longifolia T. C. Fuller 1966-10-6 15246 Siskiyou Clement ranch, 5 miles north of Montague. 0 Comment
  CAS-BOT-BC140491  Physocarpus Alice Eastwood 1921-7-24 10743 Siskiyou Castle Lake Comment
  RSA68932  Physocarpus capitatus A. E. Culbertson 1943-7-16 26 Siskiyou Castle Lake, 5434', in a north facing cirque with an abrupt 1000' backwall; 14 miles s.w. of Mt. Shasta on n. side of a 6000' eastern spur of Trinity Wts. ; 2000' above Sacramento R. within 10 air miles of its headwaters to the west. Comment
  CAS-BOT-BC73430  Picea breweriana J. G. Lemmon 1889-10-18 s.n. Siskiyou Siskiyou Mts., near Waldo. Comment
  CAS-BOT-BC73439  Picea engelmannii L. E. Berriman 1940-8-30 s.n. Siskiyou North Coast Ranges - Sugar Creek, a tributary of the Scott River. Mount Diablo Meridian. 1432 Comment
  HSC58929  Pinguicula macroceras Marvin Butler 1971-8-8 68 Siskiyou Near Bell Echo Camp, close to the town of Cave Jct. 1433 Comment
  NY34554  Pinus albicaulis H. E. Brown 1897-6-11 499 - Siskiyou North side Mt. Shasta 1524.0 Comment
  UC141  Pinus albicaulis W. H. Brewer 1862-9-13 1400 Siskiyou Mount Shasta Comment
  CAS-BOT-BC78329  Pinus attenuata Doris K. Kildale 1928-8-21 6640 Siskiyou Big Creek - trail from Finley Camp to English Lake Comment
  NY34613  Pinus attenuata I. L. Wiggins 1955-7-24 13485 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
  UC1713793  Pinus attenuata W. A. Setchell, C. C. Dobie July 1902 Siskiyou Shasta; se slopes Comment
  SEINET10530651  Pinus attenuata Katherine L. Morris 1973-5-25 Morris 276 Siskiyou Collected 7.0 mi E of McCloud on Hwy 89 in an area of Pinus ponderosa and Pinus attenuata. Comment
  HSC45575  Pinus balfouriana Maralyn O'Meara 1972-9-14 115 Siskiyou Ridge above trail to Yellow Rose Mine Comment
  UC688867  Pinus balfouriana William E. Ferguson 1942-8-28 Siskiyou sw quarter Etna Quadrangle; Lyon Lake, Etna Quad. 2133 Comment
  CAS-BOT-BC78494  Pinus contorta subsp. murrayana W. R. Dudley 1899-8-15 s.n. Siskiyou Near Glazier Comment
  HSC32587  Pinus contorta var. murrayana Steven Lagos 1974-5-26 92 Siskiyou Little Duck Lake and the ridge above it 2073 Comment
  CAS-BOT-BC73145  Pinus lambertiana Wm. Bridge Cooke 1938-9-2 11598 Siskiyou Sisson Southern Trail. 1524 Comment
  UC1409272  Pinus lambertiana Frederick W. Oettinger 1968-9-3 686 Siskiyou near high ridge nw Horse Range Lake; Salmon Mountains, Marble Mountain Wilderness Area 2011 Comment
  CAS-BOT-BC72867  Pinus ponderosa Doris K. Kildale 1929-4-27 7494 Siskiyou Cecilville Comment
  HSC1540  Pinus ponderosa R. C. Wunner 1965-7-9 377 Siskiyou Lava Beds National Monument, Upper Ice Cave Junction with Tichner Rd. 1555 Comment
  UC455180  Piperia colemanii I. J. Condit 1911-7-22 Siskiyou trail to Horse Camp; Mt. Shasta 1524 Comment
  CAS-BOT-BC458145  Pityopus californicus Gilbert Muth 1966-7-29 465 Siskiyou Marble Mts.,: Marble Valley, by waterfall 1828 Comment
  HSC2196  Plagiobothrys bracteatus L. C. Wheeler 1934-6-3 2627 Siskiyou Cherry Flat, Klamath River 518 Comment
  CAS-BOT-BC231006  Plagiobothrys hispidulus A. A. Heller 1919-6-25 13264 Siskiyou Compton's prairie, N base of Mount Eddy 1158 Comment
  CAS-BOT-BC231009  Plagiobothrys hispidulus John Thomas Howell 1937-7-22 13331 A Siskiyou S Fork of Salmon River near Big Flat 1524 Comment
  JEPS44108  Plagiobothrys hispidus W. B. and V. G. Cooke 1966-4-25 35175 Siskiyou Bolam Road Mt. Shasta 1524 Comment
  JEPS69749  Plagiobothrys hispidus W. B. and V. G. Cooke 1972-6-30 45416 Siskiyou above Andesite Crossing (Military Pass Road); Mt. Shasta 1524 Comment
  UC54755  Plagiobothrys tenellus F. W. Hooper 1897-4-21 Siskiyou Little Shasta Comment
  UC398669  Plantago eriopoda A. A. Heller 1927-8-2 14442 Siskiyou near Gazelle; Shasta Valley Comment
  CAS-BOT-BC136640  Platanthera Arthur Menzies 1962-7-21 s.n. Siskiyou Field redacted by CAS, contact the data manager for more information 1706 Comment
  SBBG25935  Platanthera dilatata var. leucostachys D. Myrick 1966-8-13 1554 Siskiyou Big Flat Cmpgrd, Mtn Meadow Ranch, Big Flat, Trinity Alps 1524 Comment
  SBBG30577  Platanthera dilatata var. leucostachys D. Myrick 1968-6-29 2058 Siskiyou Big Flat, head of Coffee Crk, Trinity Alps 1524 Comment
  HSC4862  Platanthera sparsiflora J. O. Sawyer 1968-6-25 323 Siskiyou Along Horse Range Creek 1829 Comment
  HSC69088  Platanthera sparsiflora Maralyn A. Renner 1980-8-6 2311 Siskiyou Cracker Meadow 1555 Comment
  UC725684  Platanthera sparsiflora A. A. Heller 1915-7-15 12088 Siskiyou Mt. Eddy 1828 Comment
  RSA237638  Platanthera stricta Frederick W. Oettinger 1968-8-3 382 Siskiyou Base Camp Meadow at mid-trail between Diamond and Hancock Lakes. Salmon Mtns. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2012 Comment
  UC796544  Plectritis brachystemon Roxana S. Ferris and Laura Lorraine Jun 12 1948-Jun 16 1948 11726 Siskiyou French Creek Logging Road w of Callahan; French Creek Logging Road 1066 Comment
  RSA600378  Plectritis macrocera Louis C. Wheeler 1935-6-1 3537 Siskiyou Siskiyou Mountains: Yreka Creek. 854 Comment
  CAS-BOT-BC261049  Poa Melissa A. Berry 1957-7-8 s.n. Siskiyou South Russian Creek at Power House 822 Comment
  RSA239046  Poa bolanderi Frederick W. Oettinger 1969-8-14 1376 Siskiyou English Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1936 Comment
  UCD90281  Poa bolanderi Geo. D. Butler 1910-7-12 1750 Siskiyou Shackleford Creek. 1219 Comment
  UCD90581  Poa bolanderi A. H. Murphy 1955-7-27 55 F Siskiyou Klamath National Forest. Marble Mountains. Pierce's Draw Meadow. 1676 Comment
  CAS-BOT-BC254994  Poa bulbosa Morris Halperin 1930-5-17 304 Siskiyou Geo. Bray's Ranch, Yreka Comment
  UC450473  Poa bulbosa Morris Halperin 1931-4-28 325 Siskiyou near Yreka (Schulmeyer's (Geo. Gray's) Ranch) Comment
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May 9 2008
  HSC65375  Poa compressa J. P. Smith 1973-5-5 6549 Siskiyou Scott Bar along the Scott River Comment
  UCD90950  Poa cusickii subsp. epilis A. H. M. 1955-7-29 5500 Siskiyou Klamath National Forest, Marble Mountains. Clear Lake. 1798 Comment
  HSC26622  Poa pratensis J. P. Smith, Steve Selva 1970-6-15 3953 Siskiyou 20 mi. E of Cecilville on the road to Callahan. 1646 Comment
  HSC68979  Poa pratensis Maralyn A. Renner 1980-7-24 2104 Siskiyou Pacific Crest Trail, 0.25 mi. SW of Cook and Green Pass. 1494 Comment
  RSA129255  Poa pratensis H. A. Jensen 1933-7-27 s.n. Siskiyou Grey Butte 2073 Comment
  RSA238404  Poa pratensis Frederick W. Oettinger 1969-9-4 1630 Siskiyou East side of Hancock Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1890 Comment
  RSA129263  Poa pratensis H. S. Yates 1936-6-20 5806 Siskiyou Siskiyou Summit 1372 Comment
  HSC92155  Poa pringlei Jennifer Whipple 1977-7-20 1977 Siskiyou South face of Mt. Eddy. 2470 Comment
  JEPS81691  Poa pringlei L. R. Heckard 1967-8-13 1710 Siskiyou e flank Mt Eddy (just below summit fell-field) 2727 Comment
  UC144151  Poa pringlei Copeland 1903-10-7 3792 Siskiyou Mt Eddy Comment
  SEINET10954307  Poa pringlei A. Arthur Heller 1921-7-7 Heller 13566 Siskiyou Gravelly soil on the slope south of Wagon creek, Mt. Eddy, in the Canadian zone. Comment
  UCD83705  Poa rhizomata Jesse Miller 2009-6-16 s. n. Siskiyou near Gottville. Vegetation plot for Susan Harrison project. Plot # KLGV-N. 810 Comment
  RSA484241  Poa secunda Christopher Davidson 1975-6-5 2657 Siskiyou Just above gate on special service rd branching SE off rd from Gazelle to Callahan 9.3 mi. W of Gazelle. 1471 Comment
  CAS-BOT-BC237718  Poa secunda subsp. juncifolia Alice Eastwood 1921-7-24 10768 Siskiyou Castle Lake Comment
  HSC34107  Poa secunda subsp. secunda J. O. Sawyer 1969-7-24 1465 Siskiyou NW facing slope SW of Sugar lake. 1829 Comment
  JEPS74522  Poa secunda subsp. secunda W. J. Ferlatte 1966-6-22 114 Siskiyou Josephine Lake Basin; Trinity alps 1676 Comment
  UC1055818  Poa secunda subsp. secunda Frank W. Gould 1940-5-15 1234 Siskiyou Lower Bull Meadow Goosenest Mt Comment
  CAS-BOT-BC232898  Polemonium carneum Geo. D. Butler 1910-5-15 1344 Siskiyou McAdam Creek Comment
  CAS-BOT-BC231347  Polemonium pulcherrimum G. J. Muth 1969-8-6 1190 Siskiyou Boulder Peak Comment
  HSC45817  Polemonium pulcherrimum J. P. Smith, J. O. Sawyer 1972-6-30 5643 Siskiyou Ridge W of Little Duck Lake. 2378 Comment
  CAS-BOT-BC231354  Polemonium pulcherrimum A. A. Heller 1921-7-17 13577 Siskiyou At the summit of Mt. Eddy near the lookout station 2773 Comment
  UC1732953  Polyctenium fremontii Kay H. Beach, Frank Gould 1940-5-16 646 Siskiyou drying vernal pool about 24 miles north of Weed, on the road to Klamath Falls. Comment
  CAS-BOT-BC170334  Polygala cornuta var. cornuta R. E. Frenkel 1964-7-15 689 Siskiyou On Everitt Memorial road near Mount Shast, 1.7 miles north of McCloud River RR crossing. 1290 Comment
  JEPS25541  Polygala cornuta var. cornuta Rimo Bacigalupi with Lincoln Constance 1959-6-17 7158 Siskiyou slopes across from junction of Big Springs Road with US 97 (4 mi ne of Weed) 1066 Comment
  JEPS93927  Polygala cornuta var. cornuta Vernon H. Oswald and Lowell Ahart 1998-8-3 9411 Siskiyou Kangaroo Lake Road (USFS 41N08) 3.5 mi se of Gazelle-Callahan Road; Kangaroo Lake Road 1493 Comment
  RSA460150  Polygala cornuta var. cornuta Chadwick, Chadwick 1911-07 s.n. Siskiyou Shasta Springs. Comment
  RSA460151  Polygala cornuta var. cornuta Cora Mae Life 1923-08 s.n. Siskiyou Mt. Shasta Comment
  UC61160  Polygala cornuta var. cornuta W. A. Setchell, C. C. Dobie 1902-7-14 Siskiyou Sisson Mount Shasta Comment
  UC1192332  Polygonum amphibium var. emersum Verne Grant and Irving Schneider 1947-8-25 8285 Siskiyou Tule Lake; w side Comment
  JEPS107381  Polygonum arenastrum Lowell Ahart, John Dittes 2005-6-10 12060 Siskiyou In a depression, near a poor dirt road, about 80 yards north of the pump house along the Shasta River, about 1.9 miles (air) south of Highway 99/97 Cutoff, about 6 miles (air) east-southeast of Grenada 776 Comment
  HSC17464  Polygonum aviculare var. angustissimum Geo. D. Butler 1908-8-28 190 Siskiyou Mining dump of L. Eastlick near Oro Fino Comment
  UC164038  Polygonum bistortoides Geo. D. Butler 1908-8-4 183 Siskiyou Shackleford Creek; head Comment
  UC127342  Polygonum douglasii H. M. Hall and E. B. Babcock June, 1903 4096 Siskiyou Shasta Valley Mount Shasta 853 Comment
  CAS-BOT-BC414584  Polygonum douglasii Wm. Bridge Cooke 1941-9-5 16266 Siskiyou At MacBride Springs, Mt. Shasta Comment
  RSA466329A  Polygonum douglasii Louis C. Wheeler 1934-7-3 2859 Siskiyou Soda Creek, Sterling Mt. Siskiyou Mountains. 1677 Comment
  JEPS94639  Polygonum douglasii subsp. spergulariiforme Vernon H. Oswald and Lowell Ahart 1998-8-3 9405 Siskiyou junction of Gazelle-Callahan Rd. and USFS 41N03 (11.5 mi w of Gazelle) 1524 Comment
  UC375153  Polygonum douglasii subsp. spergulariiforme Geo. D. Butler 1909-5-25 719 Siskiyou hill near Yreka Comment
  CAS-BOT-BC418596  Polygonum minimum Wm. Bridge Cooke 1938-9-8 11658 Siskiyou Mount Shasta. Squaw Creek Meadows Comment
  RSA211294  Polygonum minimum William J. Ferlatte 1966-8-18 417 Siskiyou Trinity Alps. Along the South Fork of the Salmon River between the campground and Carter's. 1524 Comment
  RSA0034881  Polygonum persicaria Louis C. Wheeler 1934-9-20 3286 Siskiyou Lumgrey Creek, Siskiyou Mountains. 670 Comment
  UC375149  Polygonum phytolaccifolium Geo. D. Butler 1908-8-4 182 Siskiyou Shackleford Creek; head Comment
  CAS-BOT-BC419872  Polygonum polygaloides subsp. confertiflorum A. A. Heller 1925-7-25 13901 Siskiyou Along the Pacific highway near Edgewood. Comment
  RSA312534  Polygonum polygaloides subsp. confertiflorum H. L. Mason 1948-7-17 13595 Siskiyou Eastern Grass Lake. Comment
  HSC92959  Polygonum polygaloides subsp. kelloggii Jennifer Whipple 1978-10-6 2421 Siskiyou Dale Creek drainage on the N face of Mt. Eddy 2195 Comment
  JEPS50591  Polygonum shastense W. L. Jepson 1894-8-4 14806 Siskiyou Snow Line Mt. Shasta Comment
  HSC10848  Polypogon monspeliensis R. C. Wunner 1965-9-1 502 Siskiyou Lava Beds National Monument. NW boundary at end of dike. By shore of Tule Lake. Comment
  CAS-BOT-BC76741  Polystichum imbricans subsp. imbricans Alice Eastwood 1912-7-23 1336 Siskiyou Cantara Comment
  UC185244  Polystichum imbricans subsp. imbricans Geo. D. Butler 1910-7-9 1693 Siskiyou Shackleford Creek 1219 Comment
  UC42154  Polystichum imbricans subsp. imbricans Marshall A. Howe 1897-8-8 Siskiyou near Shasta Soda Springs Comment
  CAS-BOT-BC72383  Polystichum lemmonii Alice Eastwood 1912-8-30 2043 Siskiyou Mount Eddy Comment
  JEPS84172  Polystichum lemmonii L. R. Heckard with S. D'Alcamo, J. Hickman, and S. Winchester 1986-7-16 6347 Siskiyou ca. 7 mi nne Seiad Valley (sw of Cook and Green Pass, ca. 1/2 mi se of Red Butte) 1730 Comment
  HSC79144  Polystichum lemmonii C. J. Thomas 1983-10-1 81 Siskiyou Scott Mtn. Summit, 0.5 to 0.75 mi. above Big Carmen Lake 1756 Comment
  POM212871  Polystichum lemmonii L. C. Wheeler 1934-8-14 11415 Siskiyou North side White Mt. About rocks, dry north slope. 1768 Comment
  SEINET10793990  Polystichum lemmonii George Yatskievych, Kay Yatskievych 1988-8-25 Yatskievych 88 -204 Siskiyou 1.3 miles N of Park Creek Crest on paved Forest Service Road 42N17, SW of Weed. T41N R06W S33 NW4. 2000 Comment
  SEINET6409479  Polystichum lemmonii M. J. Williams 1967-9-2 s.n. Siskiyou Cabin Meadow 1829 Comment
  UC1408837  Polystichum lonchitis Frederick W. Oettinger 1968-9-2 661 Siskiyou sw of Upper English Lake; Salmon Mts, High Lake Basins, English Peak vicinity, Marble 1874 Comment
  RSA237508  Polystichum lonchitis Frederick W. Oettinger 1968-9-1 656 Siskiyou SSW of Abbotts Lake, adjacent to Red Fir Forest. Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1799 Comment
  CAS-BOT-BC72511  Polystichum scopulinum Louis C. Wheeler 1934-8-6 3059 Siskiyou Klamath National Forest, Rock Gulch 1828 Comment
  HSC92650  Polystichum scopulinum Jennifer Whipple 1978-7-20 2361 Siskiyou E and S facing slopes draining into the N Fork of the Sacramento River 2439 Comment
  UCD77956  Populus tremuloides Robert E. Preston 2001-6-30 1663 Siskiyou Klamath National Forest, Hemlock Lake, T42N R1W se 1/4 of se 1/4 Section 14 1889 Comment
  CAS-BOT-BC102956  Populus trichocarpa L. E. Smith 1918-4-27 s.n. Siskiyou Hornbrook Comment
  CAS-BOT-BC102959  Populus trichocarpa W. B. C. 1942-7-2 16363 Siskiyou Bed of Mud Creek Canyon above the Dam, [Mt.Shasta] Mt. Shasta 1524 Comment
  UC375242  Populus trichocarpa Geo. D. Butler 1909-9-26 972 Siskiyou along creek near Yreka; along creek near Yreka Comment
  CAS-BOT-BC453681  Potamogeton gramineus John Thomas Howell 1939-8-9 15195 Siskiyou Sky High Valley, Marble Mts. 1828 Comment
  CAS-BOT-BC453749  Potamogeton natans Alice Eastwood 1912-7-21 1284 Siskiyou Sisson Comment
  CHSC106269  Potamogeton pusillus var. tenuissimus Lowell Ahart; John Dittes 2010-7-30 16963 Siskiyou In the Shasta River, about 30 yards northwest of the East Louie Road Bridge, Shasta Big Springs Ranch, 1.6 miles (air) southwest of Big Springs Lake, 4.6 miles (air) northwest of Dwinnel Dam, 5.7 miles (air) southeast of Grenada. 716 Comment
  CAS-BOT-BC143254  Potentilla flabellifolia H. A. Thomas; J. H. Thomas 1954-7-24 4494 Siskiyou Salmon - Trinity Mts. Vicinity of Rush Lake and Rush Creek Meadow. About 9 miles E of Cecilville 1981 Comment
  JEPS80544  Potentilla fruticosa Gilbert Muth 1965-8-12 217 Siskiyou backside of Black Mountain , backside of Black Mountain (Marble Mt. Wilderness Area) 2072 Comment
  JEPS84267  Potentilla fruticosa L. R. Heckard with J. Hickman et al. 1986-7-17 6542 Siskiyou se Condrey Mt. (Alex Hole); se of Condrey Mt., Alex Hole 1960 Comment
  RSA12583  Potentilla glandulosa subsp. ashlandica Carl B. Wolf 1934-7-6 6003 Siskiyou 4.7 miles from Mt. Shasta City on Wagon Camp Road, SW slope of Mt. Shasta 1220 Comment
  CHSC86636  Potentilla gracilis Jenny Marr 1993-7-1 19 Siskiyou Butte Valley Wildlife Area, +/- 7 air miles NW of the town of MacDoel. Meadow NW of Meiss Lake. 1349 Comment
  HSC64756  Potentilla gracilis var. fastigiata J. P. Smith, Steve Selva 1970-7-18 4492 Siskiyou Hanging bog at Kangaroo Lake. 1890 Comment
  POM250747  Potentilla gracilis var. fastigiata W. Bridge Cooke 1938-7-29 11395 Siskiyou Bear Springs, Mount Shasta 1524 Comment
  UCD20355  Potentilla millefolia Jodi Notah 2002-5-30 s.n. Siskiyou Siskiyou county, 2 miles south of Grenada, just west of Interstate 5. Comment
  HSC65492  Prosartes hookeri R. White 1977-7-21 124 Siskiyou Slope below outlet of Raspberry Lake. 1512 Comment
  HSC60  Prunella vulgaris subsp. lanceolata William J. Ferlatte 1966-6-23 143 Siskiyou Big Flat, between campground and S Fork of the Salmon River 1524 Comment
  JEPS62506  Prunella vulgaris var. lanceolata W. L. Jepson Aug. 1894 14898 Siskiyou near Sisson; near Sisson Comment
  HSC96830  Prunus emarginata S. Lyon, J. McIntire 2006-6-25 31 Siskiyou 50 ft. E of intersection of FS 39N14 and 39N04 on 39N14 1616 Comment
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Nov 3 2014
  UC861016  Prunus emarginata Lewis S. Rose 1937-7-25 37595 Siskiyou Mount Shasta City 1158 Comment
  SEINET10937255  Prunus subcordata Lincoln Constance, Reed C. Rollins 1942-5-14 Constance s.n. 1942 Siskiyou Road to Walker Post Office, 3 miles west of Yreka. 1220 Comment
  CAS-BOT-BC159729  Prunus subcordata var. oregana C. H. M. 1919-9-24 s.n. Siskiyou Klamath Canyon, mouth of Shovel Creek Comment
  HSC29358  Prunus virginiana var. demissa Frederick W. Oettinger 1969-8-29 1564 Siskiyou Marble Mtn. Wilderness Area, along English Lake trail above Willow Spring 1677 Comment
  UC144438  Prunus virginiana var. demissa A. A. Heller 1905-6-5 7965 Siskiyou between Shasta Retreat and Shasta Springs Comment
  UCD33539  Prunus virginiana var. demissa Beecher Crampton 1969-6-19 8473 Siskiyou Siskiyou County, 1 mile north of Edgewood, along the Shasta River. Comment
  CAS-BOT-BC356386  Pseudognaphalium beneolens Geo. B. Grant 1902-9-6 5075 Siskiyou Sisson Comment
  CAS-BOT-BC357395  Pseudognaphalium microcephalum Wm. Bridge Cooke 1938-8-5 11452 Siskiyou Mount Shasta. Near MacBride Spring Comment
  CHSC71343  Pseudoroegneria spicata subsp. spicata Vernon H. Oswald; Lowell Ahart 1998-6-11 9195 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
  JEPS97196  Pseudoroegneria spicata subsp. spicata Julie Kierstead Nelson with Maria Ulloa-Cruz 1995-8-22 95023 Siskiyou northern foothills of The Eddys, along Parks Creek Road (Rd. 17) 2.2 mi above junction with Stewart Springs Rd. Shasta-Trinity National Forests, Mt. Shasta Ranger District 1341 Comment
  UC143958  Pseudoroegneria spicata subsp. spicata Dr. E. B. Copeland 1903-7-4 3542 Siskiyou Klamathon; Pacific Coast, Klamathon Comment
  SEINET5337037  Pseudostellaria jamesiana G. Butler 1910-6-4 1493 Siskiyou Shackleford Creek. Comment
  HSC31981  Pseudotsuga menziesii var. menziesii Steve Selva, Roger Jensen 1974-8-17 23 Siskiyou 300 yds above base of Sugar Lake Trail along USFS Rd. 40N23 (Road 8) Comment
  HSC68379  Pseudotsuga menziesii var. menziesii Maralyn A. Renner 1980-6-26 1209 Siskiyou N edge of Flint Valley 1390 Comment
  JEPS60239  Psilocarphus brevissimus var. brevissimus L. R. Heckard with L. Constance and R. Ornduff 1969-6-24 2299 Siskiyou 0.8 mi s Bray junction (on U. S. Highway 97); Murphy Wells 1493 Comment
  UC1368676  Pteryxia terebinthina var. californica W. Bridge Cooke and V. G. Cooke 1968-7-1 39232 Siskiyou Along Andesite Road, North Side of Mt Shasta, Siskiyou County 1524 Comment
  UCD91868  Puccinellia lemmonii A. A. Beetle; G. L. Stebbins Jr. 1942-5-31 3591 Siskiyou Shasta Valley. 6 miles N of Gazelle. Comment
  CAS-BOT-BC147897  Purshia tridentata var. tridentata Alice Eastwood; John Thomas Howell 1934-4-20 1759 Siskiyou Near Yreka along Shasta River Comment
  RSA120906  Purshia tridentata var. tridentata Milo S. Baker 1957-6-15 13103 Siskiyou Just south of Weed. Comment
  JEPS19283  Pycnanthemum californicum Willis L. Jepson Jul 24 1894-Aug 10 1894 14895 Siskiyou near Sissons (Region of the Upper Sacramento); Upper Sacramento Region, near Sissons Comment
  JEPS26519  Pyrola aphylla Lauramay T. Dempster 1961-7-1 1848 Siskiyou Mill Creek near Etna 1219 Comment
  CAS-BOT-BC460859  Pyrola aphylla H. A. Thomas; J. H. Thomas 1954-7-21 4413 Siskiyou Salmon-Trinity Mts. About 6 miles SE of Cecilville. West side of Rush Creek 1158 Comment
  CAS-BOT-BC466285  Pyrola asarifolia R. F. Thorne 1969-8-23 63338 Siskiyou Klamath National Forest, Salmon Mountains, Marble Mountain Wilderness Area, high lake basins in teh vicinity of English Peak; trail to upper English Lake along Salmon River 1159 Comment
  HSC19193  Pyrola asarifolia subsp. asarifolia J. O. Sawyer 1968-6-18 189 Siskiyou Above S Russian Creek on W side. 1463 Comment
  CAS-BOT-BC462801  Pyrola dentata Doris K. Kildale 1929-7-20 8646 Siskiyou Trail up South Fork Indian Creek to Elk Lick Comment
  HSC18921  Pyrola minor J. O. Sawyer 1969-8-1 1610 Siskiyou Behind Horseshoe Lake 1921 Comment
  UC1190175  Pyrola picta Ira L. Wiggins 1955-7-23 13472 Siskiyou Banks of China Creek 1097 Comment
  CAS-BOT-BC466150  Pyrola picta Laura M. Lathrop 1903-7-16 s.n. Siskiyou Shasta Retreat Comment
  HSC60913  Pyrola picta Al Hobart Siskiyou Black Butte Comment
  CAS-BOT-BC68644  Quercus chrysolepis J. H. Thomas 1954-5-14 4188 b Siskiyou Salmon Montains, Klamath National Forest. Near South Fork of Salmon River, 5 to 9 miles southeast of Cecilville. 1219 Comment
  JEPS46645  Quercus chrysolepis Mrs. Jared Stirring 1897-5 Siskiyou Etna Mills Comment
  CAS-BOT-BC94661  Quercus garryana Wm. F. Herrin 1919-9-1 s.n. Siskiyou near Dunsmuir Comment
  CAS-BOT-BC94662  Quercus garryana Alice Eastwood 1921-7-22 10710 Siskiyou near Dunsmuir Comment
  CAS-BOT-BC62758  Quercus garryana var. breweri John Thomas Howell 1939-8-2 14918 Siskiyou Spirit Lake, Marble Mts. 1828 Comment
  RSA237385  Quercus garryana var. breweri Frederick W. Oettinger 1968-9-1 632 Siskiyou On west facing gradual slope on e. side of Abbots Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1723 Comment
  UCD46171  Quercus garryana var. breweri P. C. Everett; E. K. Balls 1954-10-13 20288 Siskiyou Indian Creek road to Obrien, summit of pass, 21 mi. n.w. from Hwy 96 at Happy Camp, Siskiyou County. 1554 Comment
  UCD46154  Quercus garryana var. semota D. Sanchez-Mata 1997-9-17 s.n. Siskiyou Shasta-Trinity National Forest. Shasta Caverns Road near Shasta Lake. 430 Comment
  SEINET10678056  Quercus kelloggii Karen M. Meyer, Andrew Townesmith 2007-8-4 Meyer 190 Siskiyou Klamath National Forest, 0.6 mi. on right fork, 6 mi. on rd. 7J001 out of Yreka, CA. (road past the water tower). 1286 Comment
  CAS-BOT-BC104356  Quercus sadleriana W. J. Ferlatte 1988-8-24 2118 Siskiyou near Des Moines Cr. on road 18N30, 0.1 miles from road to O'Brien; 17 miles N of Happy Camp 1066 Comment
  CAS-BOT-BC104359  Quercus sadleriana C. L. Hitchcock; J. S. Martin 1939-7-6 5221 Siskiyou on Takilma - Happy Camp Road 1676 Comment
  CDA15568  Quercus sadleriana G. F. Hrusa 1998-7-5 14676 Siskiyou Siskiyou Mountains; S side below summit on Happy Camp-O'Brien Rd. on Ca. side of State Boundary. Comment
  HSC36740  Quercus sadleriana Brent Whitely 1975-7-3 128 Siskiyou 1220 Comment
  HSC73348  Quercus sadleriana Gail Newton 1980-6-20 440 Siskiyou Near Bald Mtn. 1097 Comment
  RSA152195  Quercus sadleriana Reino Alava, Aloha Alava, Rimo C. Bacigalupi 1958-9-3 2454 Siskiyou At the junction of the road to Poker Flat and the road from Happy Camp to Takilma. 1377 Comment
  SEINET3136091  Quercus sadleriana S. L. Holloway 1963-10-12 77 Siskiyou Marble Mtn Wilderness Area, jxn Rock Valley trail and Canyon Creek trail; T43 R11W, se corner S7 1341 Comment
  UCD47242  Quercus sadleriana D. V. Hemphill 1974-7-28 s.n. Siskiyou Stanshaw Meadows, Marble Mountain Wilderness Area, Siskiyou County, California. 1524 Comment
  RSA697640  Quercus sadleriana Leo Miller 1938-07 s.n. Siskiyou On top of mountains between Illinois and Roove Rivers 12 miles east of Agness Ore. 762 Comment
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Apr 26 2014
  RSA697641  Quercus sadleriana Leo Miller 1938-07 s.n. Siskiyou On top of mountains between Illinois and Roove Rivers 12 miles east of Agness Ore. 762 Comment
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Apr 26 2014
  SEINET12029178  Quercus sadleriana S. L. Holloway 1963-1 77 Siskiyou jct Red Rock Valley Trail and Canyon Creek trail, Marble Mountain Wilderness Area Comment
  SEINET12029704  Quercus sadleriana S. Edwards, Roderick, W. 1983-1 105 Siskiyou E of Cook & Green Pass Comment
  HSC19217  Quercus vacciniifolia J. O. Sawyer 1968-6-25 330 Siskiyou 1646 Comment
  HSC19226  Quercus vacciniifolia J. O. Sawyer 1968-9-10 678 Siskiyou Below Young's Meadow on Clear Creek. 1372 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
  RSA237831  Quercus vacciniifolia Frederick W. Oettinger 1969-8-22 1490 Siskiyou Horse Range Lake Basin. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. Comment
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Dec 10 2015
  UCD14013  Quercus vacciniifolia John M. Tucker 1948-8-3 1776 Siskiyou California, Siskiyou Co.; 6.7 mi. (by road) below the summit of Happy Camp - Waldo road; Comment
  SEINET10437620  Quercus vacciniifolia G. D. Butler 1910-7-12 1760 Siskiyou Shackleford Creek. 1372 Comment
  CAS-BOT-BC379473  Ranunculus alismifolius D. E. Breedlove 1962-6-11 3371 Siskiyou along State Hwy 89, 17.6 mi east of McCloud Cascade Mts. 1219 Comment
  UC165955  Ranunculus eschscholtzii var. suksdorfii Geo. D. Butler 1908-8-5 349 Siskiyou summit above Cold Spring; Wooly Creek Comment
  UC922382  Ranunculus eschscholtzii var. suksdorfii Annie M. Alexander and Louise Kellogg 1949-7-22 5847 Siskiyou trail to Kings Castle Marble Mountains, Paradise Lake 1920 Comment
  UC827914  Ranunculus occidentalis Frank W. Gould 1940-5-15 1252 Siskiyou on road from Mt. Hebron to Montague; Bald Mountain 1676 Comment
  RSA746507  Rhamnus californica subsp. occidentalis K. M. Meyer, A. Townesmith 2007-7-31 176 Siskiyou Shasta-Trinity National Forest, 6.2 mi on NF Rd. 17, off US Hwy 97. 1350 Comment
  CAS-BOT-BC56114  Rhamnus ilicifolia L. E. Detling 1950-6-10 6620 Siskiyou Shasta R. Canyon, nr. Dry Gulch 777 Comment
  JEPS41960  Rhamnus rubra W. L. Jepson 1914-8-14 6171 Siskiyou Dunsmuir 670 Comment
  UC1121928  Rhamnus rubra H. S. Yates 1936-6-21 5829 Siskiyou n base Wintoon Butte; Dunsmuir Quad. 1219 Comment
  JEPS95667  Rhododendron occidentale Vernon H. Oswald and L. Ahart 1999-7-5 9825 Siskiyou Summit of Hwy. 3 on Scott Mtn. southeast of Callahan: T39N R7W Sect. 5, 5400 ft, mixed coniferous forest, serpentine substrate 1645 Comment
  CDA35348  Rhus trilobata Vernon H. Oswald & Lowell Ahart 1998-6-11 9173 Siskiyou Shasta National Forest plantation on the west side of Hwy. 97 2.2 miles northeast of Lake Shastina-Big Springs Rd., northeast of Weed. Comment
  UC375358  Ribes aureum Geo. D. Butler 1908-6-20 266 Siskiyou near Yreka Comment
  CAS-BOT-BC92407  Ribes aureum var. aureum L. E. Smith 1913-5-27 319 Siskiyou Weed. Comment
  JEPS49274  Ribes binominatum Geo. D. Butler 1908-8-4 259 Siskiyou head Shackelford Creek 1676 Comment
  UC1167541  Ribes binominatum C. R. Quick 1936-8-18 Siskiyou near Oregon State Line (margins of Poker Flat, near summit of Siskiyou Mountains); Klamath National Forest Comment
  POM92615  Ribes binominatum Geo. D. Butler 1910-7-8 1682 Siskiyou Shackelford Creek. 1220 Comment
  HSC20283  Ribes cereum D. M. Thomson 1965-8-7 177 Siskiyou California Lava Beds National Monument, 1 mile up Cave Loop Trail. Comment
  HSC64667  Ribes inerme var. klamathense J. O. Sawyer 1977-7-7 3041 Siskiyou N of Sugar Creek on Hwy. 3, Scott Valley 976 Comment
  CAS-BOT-BC173297  Ribes lacustre D. E. Breedlove 1962-6-10 3270 Siskiyou On bank of Dunn Creek along Indian Creek Road from O'Brien to Happy Camp, 24.6 miles northwest of Happy Camp 1356 Comment
  JEPS24023  Ribes lacustre Rimo Bacigalupi with Drs. Reino and Aloha Alava 1958-9-3 6885 Siskiyou 2 1/2 mi ne Poker Flat; Siskiyou Mountains 1463 Comment
  LA205433  Ribes lacustre Louis C. Wheeler; 1934-6-14 2713 Siskiyou Siskiyou Mountains, Arrastre Creek, off Hungry Creek 1280 Comment
  UC1190179  Ribes lacustre Ira L. Wiggins 1955-7-29 13592 Siskiyou 3.5 mi above S. Fork of Salmon River (along Thompson Creek); Thompson Creek 1371 Comment
  UC796505  Ribes lacustre Roxana S. Ferris and Laura Lorraine Jun 12 1948-Jun 16 1948 11803 Siskiyou s Callahan (on Scott Mountain Rd. at Mule Creek crossing) 1493 Comment
  UC1736425  Ribes lobbii Dean W. Taylor 1999-6-10 17249 Siskiyou Marble Mountains, Mill Creek, ca. 4 miles W from Mugginsville in Quartz Valley, northerly facing slopes near watershed divide with Kidder Creek 1584 Comment
  HSC40049  Ribes marshallii J. O. Sawyer 1970-7-4 2323 Siskiyou At Cedar Flat Cabin 1402 Comment
  UC1167540  Ribes marshallii C. R. Quick 1936-8-18 Siskiyou n Happy Camp (margins of Poker Flat near summit of mountains); Siskiyou Mountains, Klamath National Forest Comment
  CAS-BOT-BC465594  Ribes montigenum Julie Kierstead Nelson; Martin Lenz 2015-6-18 2015 -061 Siskiyou Headwaters of West Fork Parks Creek, 2 mi NNE of China Mountain; 7 mi W of town of Weed 2208 Comment
  HSC100867  Ribes montigenum J. P. Smith, J. O. Sawyer, R. J. Cole 2010-8-7 13063 Siskiyou Klamath National Forest, road to Crater Lake off Forest Service Road 40N24. 2003 Comment
  HSC809  Ribes nevadense William J. Ferlatte 1967-7-25 734 Siskiyou Caribou Basin 1982 Comment
  HSC98216  Ribes nevadense J. O. Sawyer 1969-7-11 1339 Siskiyou S Sugar Creek 1829 Comment
  RSA0023152  Ribes nevadense William J. Ferlatte 1967-7-9 688 Siskiyou Kidd Creek Trail. 1860 Comment
  RSA0022721  Ribes nevadense var. glaucescens Carl B. Wolf 1934-7-6 5990 Siskiyou 3 mi. from Mt. Shasta City on Wagon Camp Rd. SW slopes of Mt. Shasta. 1220 Comment
  CAS-BOT-BC199995  Ribes roezlii var. cruentum Carl B. Wolf 1927-8-26 1068 Siskiyou On the Klamath River, 8 mi. above Hamburg Comment
  CAS-BOT-BC200003  Ribes roezlii var. cruentum Doris K. Kildale 1928-8-12 6420 Siskiyou North Fork of Salmon River near Finley Camp Comment
  JEPS49456  Ribes roezlii var. cruentum Geo. D. Butler 1909-4-15 645 Siskiyou Humbug Comment
  JEPS50702 Image available Ribes sanguineum Wayne Roderick 1963-6-12 Siskiyou ca. 15 road mi n Seiad Valley (n side of pass); Siskiyou Mtn. Range, Cook and Green Pass 1371 Comment
  SEINET12220354  Ribes sanguineum J. P. Tracy 1951-1 19497 Siskiyou summit of Siskiyous, at crossing of Takilma-Happy Camp Rd near state line Comment
  UCR80268  Ribes velutinum var. glanduliferum L. C. Wheeler 1935-5-4 3467 Siskiyou Siskiyou Mtns, Greenhorn Creek 854 Comment
  CAS-BOT-BC168790  Ribes viscosissimum Harley P. Chandler 1901-6-1 1597 Siskiyou Ridges and meadows near Marble Mountain 2133 Comment
  CAS-BOT-BC168792  Ribes viscosissimum Wm. Bridge Cooke 1938-6-17 11005 Siskiyou Sisson Southern Trail, Mount Shasta 1676 Comment
  CAS-BOT-BC168805  Ribes viscosissimum L. E. Smith 1913-1-1 s.n. Siskiyou Mt. Shasta Comment
  HSC42238  Ribes viscosissimum R. J. Mastrogiuseppe, J. D. Mastrogiuseppe 1974-9-2 160 Siskiyou Near Kidd Creek 1829 Comment
  HSC47  Ribes viscosissimum William J. Ferlatte 1966-7-6 187 Siskiyou Caribou Basin 1982 Comment
  HSC64674  Ribes viscosissimum J. O. Sawyer 1977-7-6 3033 Siskiyou South of Little Duck Lake 2134 Comment
  HSC65563  Ribes viscosissimum Rich White 1977-7-21 127 Siskiyou Slope below outlet of Raspberry Lake 1512 Comment
  CAS-BOT-BC50365  Rigiopappus leptocladus Lewis Samuel Rose 1945-6-18 45065 Siskiyou Horse Creek & Klamath River 502 Comment
  CHSC91347  Rigiopappus leptocladus Lowell Ahart; John Dittes 2005-6-9 12045 Siskiyou Pasture field, on the east side of a poor rock fence, about 300 yards east of where cattle water in the Shasta River, about 3/5 mile (air) south of Highway 99/97 Cutoff, about 2 1/2 miles (air) east-southeast of Grenada. 774 Comment
  CAS-BOT-BC74658  Rorippa curvisiliqua John Thomas Howell 1939-8-5 15064 Siskiyou Spirit Lake, Marble Mountains. 1828 Comment
  POM277828  Rosa brownii H. E. Brown 1897-6-11 349 Siskiyou North side, Mt. Shasta. 1524 Comment
  UC467675  Rosa californica Annie M. Alexander and Louise Kellogg 1911-6-13 128 Siskiyou 6 mi nw Callahan Comment
  UC163802  Rosa eglanteria Geo. D. Butler 1910-5-29 1427 Siskiyou dry land near Yreka Comment
  SEINET7665504  Rosa gymnocarpa G. D. Butler 1910-8-7 1816 Siskiyou Humbug Mt. 1219 Comment
  RSA300565  Rosa pisocarpa Walter Wisura, John Dourley 1982-10-16 3873 Siskiyou Shores of Castle Lake, SW of town of Mt. Shasta. 1646 Comment
  CAS-BOT-BC147321  Rubus parviflorus Doris K. Kildale 1929-7-20 8678 Siskiyou Raspberry Lake, near east spur Preston Peak Comment
  CHSC1599  Rubus parviflorus M. Yoder 1941-7-12 Siskiyou Castle Lake. 1981 Comment
  CAS-BOT-BC147311  Rubus parviflorus D. K. Noyes 1911-9-29 728 Siskiyou Klamath National Forest Comment
  CAS-BOT-BC363144  Rudbeckia californica L. R. Short 1933-9-8 67 Siskiyou Klamath National Forest. Deer Camp near Dry Lake 1889 Comment
  HSC67721  Rudbeckia occidentalis John Palmer 1980-8-15 971 Siskiyou NE of Seiad Low Gap on spur of F.S. Rd. 46N50 1098 Comment
  UCD77981  Rumex acetosella Robert E. Preston 2002-7-14 1925 Siskiyou Klamath National Forest, N slope of Rainbow Mountain 1739 Comment
  UC163673  Rumex crispus Geo. D. Butler 1909-6-5 971 Siskiyou creek near Yreka Comment
  CAS-BOT-BC433406  Rumex crispus Wm. Bridge Cooke 1939-6-23 13511 Siskiyou Mount Shasta. At Bear Springs. Comment
  CAS-BOT-BC433865  Rumex salicifolius Peter H. Raven 1956-8-11 10068 Siskiyou 9.6 miles south of turnoff to Bray on U.S. Highway 91 Comment
  SD88326  Sagittaria longiloba Darley F. Howe 1972-7-8 Siskiyou Grass Lake, 21 miles north of Weed on #97. 1525 Comment
  CAS-BOT-BC103536  Salix commutata John Thomas Howell 1939-8-7 15132 Siskiyou Sky High Valley, Marble Mts. Comment
  CAS-BOT-BC103539  Salix commutata Louis C. Wheeler 3083 Siskiyou Klamath National Forest, Jaynes Canyon 1981 Comment
  UC5224  Salix eastwoodiae Harley P. Chandler June, 1901 1547 Siskiyou ridges and meadows near Marble Mt.; North Coast Ranges 1828 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
  JEPS38487  Salix laevigata Geo. D. Butler 1908-7-7 151 Siskiyou Butler Ranch near Yreka Comment
  UC1196581  Salix lasiandra subsp. lasiandra Joseph P. Tracy 1935-8-1 14407 Siskiyou on ridge between Salmon <River> and New River (at extreme head of W. Fork Knownothing Creek); W. Fork Knownothing Creek 1889 Comment
  UCD111542  Salix lasiandra var. lasiandra Beecher Crampton 1969-6-19 8474 Siskiyou 1 mile north of Edgewood along the Shasta River. Comment
  UC482232  Salix lasiolepis Mrs. H. P. Bracelin 1931-6-19 410 Siskiyou about 16 km nw Shasta City (ne side of mt., edge of stream above Metcalf ranch house); Mount Eddy 1425 Comment
  CDA39550  Salix lasiolepis G. D. Barbe, J. T. Howell, T. C. Fuller 1980-4-29 2626 Siskiyou 0.4 km northeast of Oro Fino. 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
  CAS-BOT-BC126124  Salix scouleriana L. S. Smith 1931-6-7 16 Siskiyou Mt. Shasta 1066 Comment
  CAS-BOT-BC126148  Salix scouleriana John Thomas Howell 1939-8-5 15080 Siskiyou Spirit Lake, Marble Mts. 1828 Comment
  CAS-BOT-BC126167  Salix scouleriana Mrs. H. P. Bracelin 1931-6-20 446 Siskiyou East side of Mount Eddy, about 17 km. northwest of Shasta City; in Wagon Creek Canyon, about 1 km. up from Metcalf ranch house 1170 Comment
  CAS-BOT-BC126170  Salix scouleriana John Thomas Howell 1939-8-6 15102 A Siskiyou Elk Peak, Marble Mts., Siskiyou Mts. Comment
  CAS-BOT-BC129038  Salix scouleriana Mrs. H. P. Bracelin 1931-6-20 443 Siskiyou North base of Mount Eddy, about 1 km. up from Metcalf ranch house, about 17 km. northwest of Shasta City 1170 Comment
  CAS-BOT-BC129040  Salix scouleriana Mrs. H. P. Bracelin 1931-6-20 444 Siskiyou North base of Mount Eddy, about 1 km. up from Metcalf ranch house, about 17 km. northwest of Shasta City 1170 Comment
  HSC19409  Salix scouleriana J. O. Sawyer 1968-7-10 497 Siskiyou Lower slopes grading to terrace of a temporary stream. 1768 Comment
  HSC61952  Salix scouleriana Ruby Van Deventer 1961-6-14 Siskiyou Poker Flat 1524 Comment
  RSA238268  Salix scouleriana Frederick W. Oettinger 1969-8-24 1524 Siskiyou Upper English Lake. Salmon Mtns. High Lake Basins in the vicinity of English Peak. Marble Mtn Wilderness Area. 1784 Comment
  RSA238270  Salix scouleriana Frederick W. Oettinger 1969-7-29 1093 Siskiyou Margin of Dry Lake. Salmon Mtns. High Lake Basins in the vicinity of English Peak. Marble Mtn Wilderness Area. 1845 Comment
  RSA238271  Salix scouleriana Frederick W. Oettinger 1968-8-2 363 Siskiyou Outlet of Diamond Lake. Salmon Mtns. High Lake Basins in the vicinity of English Peak. Marble Mtn Wilderness Area. 2073 Comment
  UC576379  Salix scouleriana Mrs. H. P. Bracelin 1936-9-3 858 Siskiyou 11 mi. n.w. Shasta City (ca. 2 mi. e. of Burney Mill, at second bridge, n. base Mt. Eddy); n. base Mt. Eddy 1127 Comment
  CAS-BOT-BC129042  Salix scouleriana Mrs. H. P. Bracelin 1931-6-20 444 Siskiyou North base of Mount Eddy, about 1 km. up from Metcalf ranch house, about 17 km. northwest of Shasta City 1170 Comment
  SEINET12003644  Salix scouleriana H. P. Bracelin 1931-1 435 Siskiyou North base of Mount Eddy, about 10 km NW of Shasta City, east of Metcalf ranch house 80 Comment
  UC1539980  Salvia dorrii var. dorrii M. Mitchell 1936-5-21 45 Siskiyou Frozen River Cave; Lava Beds National Monument Comment
  HSC14354  Salvia dorrii var. incana R. C. Wunner 1965-6-13 150 Siskiyou Lava Beds National Monument, Devil's Homestead Lava Flow 1296 Comment
  JEPS62778  Salvia sonomensis W. L. Jepson 1894-8-4 14946 Siskiyou Niels Camp Niels Camp, Mt. Shasta (trail to snow-line); Mt. Shasta Comment
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Aug 10 2008
  UC456098  Salvia sonomensis I. J. Condit 1911-7-22 Siskiyou Sisson, on Shasta trail Comment
  CDA5768  Salvia virgata J. R. Grisham 1963-7-24 Siskiyou E. H. Marlow property, Greenhorn Valley, ca. 2 miles west of Yreka. 0 Comment
  UC169066  Sambucus racemosa var. microbotrys Harley P. Chandler 1901-6-25 1610 Siskiyou Upper Cotter Valley [Cuddihy Valley] (ridges and meadows near Marble Mountain); North Coast Ranges 2133 Comment
  SEINET3157602  Sanguisorba annua G. D. Butler 1910-6-3 1468 Siskiyou Quartz Valley Comment
  SEINET11912599  Sanguisorba annua Unknown 1986-1 60333 Siskiyou NE of Weed, between Herd Mt. & Miller Mt., Miller Mt. Road (Rd 45N22) at intersection with roads 1018 Comment
  UC1258448  Sanicula graveolens Maralyn A. Renner 1980-7-23 1831 Siskiyou about 1 mi e of Cook and Green Pass ( Klamath National Forest, Pacific Crest Trail); Klamath National Forest, Pacific Crest Trail 1752 Comment
  UCR37841  Sanicula graveolens L. P. Janeway 1983-8-6 493 Siskiyou Poker Flat. W part of lower portion of meadow 1529 Comment
  HSC77242  Sanicula graveolens L. P. Janeway 1983-7-17 424 Siskiyou Poker Flat, E edge of upper portion of meadow 1524 Comment
  JEPS1005  Sanicula graveolens Geo. D. Butler 1909-4-18 623 Siskiyou Humbug Divide Comment
  RSA237663  Sanicula graveolens Frederick W. Oettinger 1968-8-18 579 Siskiyou Just north of Tobacco Lake. Salmon Mtns. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1890 Comment
  RSA42328  Sanicula graveolens Lincoln Constance, R. Shan 1946-5-31 3059 Siskiyou East bank of Sacramento river at Dunsmuir 701 Comment
  HSC4153  Saponaria officinalis L. C. Wheeler 1934-9-16 3267 Siskiyou Mt. Diablo Meridian, Walker, Klamath River. 518 Comment
  SEINET6631662 Image available Sarcodes sanguinea D. V. Hemphill 1974-1 Siskiyou Stanshaw Trail, 1/4 mile south of Jawbone Camp, Marble Mountain Wilderness 1554 Comment
  CDA25436  Saxifraga fallax G. D. Barbe, J. T. Howell, T. C. Fuller 1980-4-29 2619 Siskiyou 200 meters north of Hamilton Street on Highway 3, north edge of Fort Jones. Comment
  POM354568  Saxifraga nidifica Christopher Davidson 1975-6-5 2691 Siskiyou 0.1 ENE on unnamed dirt rd. departing to E off Hwy 3 at Scott Mtn summit. 1677 Comment
  JEPS80512  Saxifraga odontoloma Gilbert Muth 1966-7-24 442 Siskiyou Marble Valley; Marble Mountain Wilderness Area, Marble Valley 1792 Comment
  RSA183690  Saxifraga odontoloma Gilbert Muth 1965-8-17 308 Siskiyou Lower creek on trail to Black Mountain, Marble Mts. Comment
  UC618602  Saxifraga tolmiei W. Bridge Cooke 1938-8-22 11556 Siskiyou w slope of Shastina (Mount Shasta); , Shastina 2895 Comment
  UC74442  Saxifraga tolmiei W. J. Ferlatte 1966-8-5 356 Siskiyou Caribou Mountain; Trinity Alps, Caribou Mountain 2468 Comment
  CAS-BOT-BC445878  Saxifragopsis fragarioides Doris K. Kildale 1928-8-19 6612 Siskiyou Hancok Lookout on trail to Marble Mountain 2194 Comment
  JEPS117616  Scirpus acutus var. occidentalis Lowell Ahart, John Dittes 2010-7-30 16972 -A Siskiyou Along the south edge of the Shasta River, 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
  JEPS63985  Scirpus americanus B. C. Goldsmith 1916-9-9 23 Siskiyou Klamath Hot Springs Comment
  HSC19530  Scirpus congdonii J. O. Sawyer 1969-7-18 1415 Siskiyou Head of S Russian Creek 1829 Comment
  HSC19543  Scirpus congdonii J. O. Sawyer 1969-7-18 1412 Siskiyou Head of S Russian Creek 1829 Comment
  HSC77192  Scirpus congdonii L. P. Janeway 1983-8-16 555 Siskiyou Poker Flat 1524 Comment
  JEPS83993  Scirpus microcarpus L. R. Heckard, and J. C. Hickman 1986-7-16 6448 Siskiyou ca 5 mi n of the town Seiad Valley (Lily Pad Lake, se of Red Butte); se of Red Butte, n of Seiad Valley, Lily Pad Lake 1770 Comment
  RSA238943  Scirpus microcarpus Frederick W. Oettinger 1969-7-31 1121 Siskiyou Where inlet stream to Upper English Lake breaks out of woods and heads into open wet meadow. Salmon Mountains, the high lake basins in the vicinity of English Peak, Marble Mountains Wilderness Area 1768 Comment
  CDA3396  Scleranthus annuus F. D. Horn 1974-5-13 Siskiyou D. V. Meadows property, Shasta Valley Road, Weed. 0 Comment
  CAS-BOT-BC243495  Scribneria bolanderi John Thomas Howell 1952-6-14 28346 Siskiyou 9.5 miles from Ft. Jones on road to Callahan Comment
  RSA467543  Scribneria bolanderi M. B. Dunkle 1949-11-22 9255 Siskiyou Marble Mts. Comment
  UC821369  Scribneria bolanderi Louis C. Wheeler 1935-5-1 3450 Siskiyou Siskiyou Mountains, Yreka Creek Yreka Creek; Siskiyou Mountains, Yreka Creek 853 Comment
  RSA138223  Scrophularia californica Percy C. Everett, E. K. Balls 1959-10-23 23939 Siskiyou 4 mi SW from Etna, on rd from Callaban to Somesbar, Salmon Mtns. 1677 Comment
  SEINET13751479  Scrophularia californica G. D. Butler 1910-5-22 1383 Siskiyou Yreka Creek Comment
  JEPS95654  Scutellaria antirrhinoides Vernon H. Oswald and L. Ahart 1999-7-5 9823 Siskiyou Hwy. 3 on Scott Mtn. 5.9 mi southeast of Gazelle-Callahan Hwy., 0.6 mi northwest of the highway summit: T40N R7W Sect. 32, 5150 ft, mixed coniferous forest 1569 Comment
  UC1713595  Scutellaria antirrhinoides C. Epling 1938-6-12 Siskiyou between Happy Camp and Orleans Comment
  RSA238531  Scutellaria antirrhinoides Frederick W. Oettinger 1969-8-1 1128 Siskiyou Above wiregrass meadow near English Lake. Salmon Mtns. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1799 Comment
  SEINET8021125  Scutellaria antirrhinoides D. Parker, W. Roderick 1967-7-25 s.n. Siskiyou Scott Mountain, Cabin Meadow. 1829 Comment
  UC1112881  Scutellaria nana Milo S. Baker 1957-6-15 13105 Siskiyou road cut just s of Week Comment
  CAS-BOT-BC61451  Sedum lanceolatum Miss D. Tebbe 1929-6-7 130 Siskiyou Crater Lake, Mount Eddy Comment
  CAS-BOT-BC61473  Sedum laxum subsp. laxum G. P. Rixford s.n. Siskiyou Hilt 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
  UC772714  Sedum obtusatum subsp. boreale Robert T. Clausen, W. B. Cooke, and Harold Trapido 1940-7-26 4952 Siskiyou e side Mud Creek Canyon; Mt. Shasta, Sacramento River Basin 1706 Comment
  CHSC72211  Sedum obtusatum subsp. obtusatum Vernon H. Oswald; Lowell Ahart 1998-8-3 9429 Siskiyou Near the Pacific Crest Trail in the Scott Mtns. West of Kangaroo Lake. 1981 Comment
  HSC19526  Sedum obtusatum subsp. retusum J. O. Sawyer 1968-7-10 480 Siskiyou Floodplain of Sugar Creek near Sugar Lake. 1799 Comment
  CAS-BOT-BC64083  Sedum oregonense Doris K. Kildale 1928-7-4 5468 Siskiyou Summit of divide between Salmon river and Scott Valley. Comment
  HSC104262  Sedum oregonense P. F. Zika 2011-7-19 25647 Siskiyou Klamath Range; Near Pacific Crest trail, 1 air mi. WNW of Copper Butte, Siskiyou Mountains 1610 Comment
  RSA0083653  Sedum oregonense L. C. Wheeler 1963-8-25 8271 Siskiyou South side of Preston Peak: Head Rattlesnake Creek. 1829 Comment
  RSA0036680  Sedum radiatum subsp. depauperatum Peter F. Zika 2011-7-19 25645 Siskiyou Forest Service Road 1055, 5.9 road miles S of and above junction with Road 1050, 1 air mile SSE of Windy Peak, Siskiyou Mountains, Klamath Range (KR). 1340 Comment
  JEPS25711  Sedum spathulifolium P. C. Hutchison 1961-5-22 2041 Siskiyou 2.8 mi e Seiad Valley (6.4 mi w of Hamburg, Klamath River); Klamath River, e of Seiad Valley, w of Hamburg Comment
  RSA0074772  Sedum spathulifolium L. C. Wheeler 1934-8-16 3171 Siskiyou Siskiyou Mountains: 2 mi. east of White Mt. 1920 Comment
  HSC85900  Sedum spathulifolium var. spathulifolium Barry Silver 1986-5-26 674 Siskiyou Elk Creek Rd., 11 mi. S of Happy Camp, just SW of bridge #7-1949 579 Comment
  HSC99740  Selaginella scopulorum J. O. Sawyer 1969-6-12 882 Siskiyou Ridge SE of Eaton Lake 2226 Comment
  RSA697124  Senecio Leo Miller 1938-07 s.n. Siskiyou Siskiyou Mountains. Comment
  CDA8646  Senecio integerrimus var. exaltatus Vernon H. Oswald & Lowell Ahart 1998-6-11 9216 Siskiyou Butte Valley National Grassland near the junction of Meiss Lake-Sams Neck Road and Highway 97, ca. 5 miles north of Macdoel. Comment
  JEPS30370  Senecio integerrimus var. exaltatus Peter H. Raven 1962-5-30 17899 Siskiyou 12.3 mi s Macdoel (U.S. Highway 97) Comment
  CAS-BOT-BC363935  Senecio integerrimus var. exaltatus Mrs. H. C. Cantelow 1936-5-21 1255 Siskiyou W. slope Scott Mt. about 4 mi. S. of Callahan Comment
  RSA0125032  Senecio integerrimus var. exaltatus 1934-7-5 s.n. Siskiyou 3 6/10 mi from Dry Lake Lookout on rd. to Horse Creek, Siskiyou Mts. 1981 Comment
  CDA8655  Senecio integerrimus var. ochroleucus T. C. Fuller 1958-6-18 1791 Siskiyou Summit of Siskiyou Mountains along road between Cave Junction & Happy Camp. 0 Comment
  CAS-BOT-BC364427  Senecio triangularis John Thomas Howell 1939-8-8 15150 Siskiyou Black Mt., Marble Mts. Comment
  HSC22189  Senecio triangularis J. O. Sawyer 1969-8-4 1810 Siskiyou Above Sugar Lake 2134 Comment
  HSC91240  Senecio triangularis Jennifer Whipple 1978-10-6 2402 Siskiyou Primarily N facing slopes in the Eddy Creek drainage. 2317 Comment
  RSA264986  Senecio triangularis G. L. Clifton 1975-7-28 5765 Siskiyou Near Cook and Green Pass near the Seiad Valley 1646 Comment
  UC545670  Sibbaldia procumbens Louis C. Wheeler 1934-8-2 3018 Siskiyou Alex Hole Alex Hole, Alex Canyon; Siskiyou Mts., Alex Canyon 1889 Comment
  UC1299198  Sidalcea asprella subsp. nana Freed W. Hoffman 1950-7-11 3723 Siskiyou Cedar Camp road 42.5 mi n Klamath River (western Siskiyou County); n of Klamath River, Cedar Camp Road Comment
  HSC58913  Sidalcea malviflora subsp. nana Marvin Butler 1971-7-30 249 Siskiyou Near Youngs Valley, close to the town of Cave Junction 1220 Comment
  JEPS67209  Sidalcea oregana subsp. oregana Geo. D. Butler 1908-8-3 61 Siskiyou Log Lake 1371 Comment
  CHSC88396  Sidalcea oregana subsp. spicata Jenny Marr 1993-7-1 155 Siskiyou Butte Valley Wildlife Area, +/- 7 air miles NW of the town of MacDoel. Meadow NW of Meiss Lake. 1349 Comment
  HSC92148  Sidalcea oregana subsp. spicata Jennifer Whipple 1977-8-6 2239 Siskiyou Dale Creek drainage on the N face of Mt. Eddy 2195 Comment
  JEPS67254  Sidalcea oregana subsp. spicata W. L. Jepson 1914-8-13 5784 Siskiyou Sisson 1097 Comment
  UC642536  Sidalcea oregana subsp. spicata W. Bridge Cooke 1939-7-7 13589 Siskiyou established at Bear Springs Mount Shasta, Bear Springs Comment
  UC725676  Sidalcea oregana subsp. spicata A. A. Heller 1916-7-20 12474 Siskiyou near Wagon Creek Falls (e side Mt. Eddy); e side of Mt. Eddy, near Wagon Creek Falls 1524 Comment
  RSA8252  Sidalcea oregana subsp. spicata Elmer I. Applegate 1923-8-18 3832 Siskiyou West end of Medicine Lake 1982 Comment
  JEPS23251  Silene campanulata Joseph P. Tracy 1935-8-1 14421 Siskiyou 1 mi e Salmon Summit Mine (head of Knownothing Creek); , e of Salmon Summit Mine 1767 Comment
  CAS-BOT-BC181202  Silene campanulata subsp. glandulosa John Thomas Howell 1939-8-3 14972 Siskiyou Spirit Lake, Marble Mts. 1828 Comment
  HSC44703  Silene campanulata subsp. glandulosa J. O. Sawyer, E. Cope 1977-6-18 2901 Siskiyou Along Clear Creek trail below Ten Mile Creek 457 Comment
  JEPS100205  Silene campanulata subsp. glandulosa Dean W. Taylor 2002-6-10 18119 Siskiyou Scott Mountain, Forest Road 40N08 0.25 miles E of the junction with Highway 3 (3 miles NE from Scott Mountain summit) 1341 Comment
  JEPS51012  Silene campanulata subsp. glandulosa T. H. Gilbert Jun 15 1899-Jul 15 1899 Siskiyou Scott River Valley Comment
  UC796448  Silene campanulata subsp. glandulosa Roxana S. Ferris and Laura Lorraine Jun 12 1948-Jun 16 1948 11806 Siskiyou at Mule Creek crossing on Scott Mountain Road s Callahan; s of Callahan 1524 Comment
  CAS-BOT-BC181200  Silene campanulata subsp. glandulosa Thomas W. Nelson; Jane P. Nelson 1980-7-21 6160 Siskiyou Along Forest Service Road 40N08 ca. .6 miles from junction with State Route 3. 1645 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
  CAS-BOT-BC388947  Silene grayi Wm. Bridge Cooke 1938-8-18 11494 Siskiyou Mount Shasta. Horse Camp Slopes Comment
  CAS-BOT-BC388954  Silene grayi Alice Eastwood 1921-7-28 10886 Siskiyou Little Mt. Hoffman Comment
  CAS-BOT-BC388968  Silene grayi G. J. Muth 1969-8-8 1297 Siskiyou Boulder Peak Ridge, Top 2286 Comment
  CAS-BOT-BC181254  Silene hookeri subsp. hookeri Volney Rattan 1879-1-1 s.n. Siskiyou Klamath Comment
  UC1586858  Silene invisa Juha Pykala and D. H. Norris 1987-7-7 2338 Siskiyou e China Mountain (beside a trail from Deadfall Creek Meadow to Stewart Springs); Shasta National Forest, fr Deadfall Crk Mdws to Stewart Spri 1889 Comment
  HSC57648  Silene lemmonii Marvin Butler 1971-8-11 276 Siskiyou Near El Capitan Lake, close to town of Cave Junction 1769 Comment
  CAS-BOT-BC75154  Sisymbrium altissimum A. A. Heller 1916-7-21 12480 Siskiyou Near Upton. 1097 Comment
  POM109018  Sisyrinchium bellum Geo D. Butler 1909-6-22 885 Siskiyou Goose nest meadows 1524 Comment
  SEINET3992500  Smilacina stellata J. M. Tucker 1963-7-5 3702 Siskiyou Blake's Fork of South Russian Creek (a tributary of the Salmon River), ca. 7 air miles E. of Sawyer's Bar, Salmon Mounatains 1615 Comment
  HSC30444  Smilax jamesii Frederick W. Oettinger 1968-9-4 691 Siskiyou Salmon Mountains, High Lake Basin in the vicinity of English Peak, Marble Mountain Wilderness Area, outlet of Abbott's Lake. 1723 Comment
  UC164044  Smilax jamesii Geo. D. Butler 1908-8-5 146 Siskiyou ravine below Cold Spring; Woolly Creek Comment
  SEINET5760795  Solanum umbelliferum Joseph P. Tracy 1950-7-20 19214 Siskiyou About 8 miles SE of Flint Valley, on road to New Orleans Comment
  RSA211503  Solidago canadensis subsp. elongata William J. Ferlatte 1966-8-18 415 Siskiyou Along the South Fork of the Salmon River between the campground and Carter's. 1524 Comment
  CAS-BOT-BC365551  Solidago elongata K. T. Stillman 1976-9-9 487 Siskiyou Marble Mountain Wilderness Area. Trail from jump off to Paradise Lake 1950 Comment
  UC166190  Solidago elongata Geo. D. Butler 1908-8-10 310 Siskiyou Henry Shackleford Creek Comment
  RSA749254  Solidago multiradiata K. M. Meyer, A. Townesmith 2007-7-31 178 Siskiyou Shasta-Trinity National Forest. 8.1 mi. on NF Rd. 17, off US Hwy 97. 1607 Comment
  UC446912  Solidago velutina subsp. californica L. F. Henderson 1929-8-24 11469 Siskiyou near Takilma, Oregon (but over the line in California); near Takilma, Oregon but over the line in California Comment
  CHSC91245  Sonchus asper subsp. asper Lowell Ahart; John Dittes 2005-6-10 12117 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
  CAS-BOT-BC157325  Sorbus californica Wm. Bridge Cooke 1939-6-30 13576 Siskiyou Along the Sisson Southern Trail Comment
  HSC27340  Sorbus californica J. P. Smith, J. O. Sawyer, Maralyn O'Meara 1972-7-3 5668 Siskiyou E slope of Kangaroo Mtn. above Toehead Lake. 1890 Comment
  JEPS95096  Sorbus californica Vernon Oswald and Lowell Ahart 1997-7-28 8794 Siskiyou s.e. Medicine Lake (at Paynes Springs, on walls of Paynes Creek Canyon n. of the campground); Paynes Springs 1981 Comment
  CAS-BOT-BC158936  Sorbus scopulina Louis C. Wheeler 1934-8-8 3068 Siskiyou W. Fork Beaver Cr., Klamath National Forest 1676 Comment
  CAS-BOT-BC158939  Sorbus scopulina Doris K. Kildale 1928-8-18 6453 Siskiyou Lead of north fork of Salmon River at Finley's Upper Camp Comment
  LA208276  Sorbus sitchensis W. B. C.; 1939-6-30 13576 Siskiyou Mount Shasta, Along the Sisson Southern Trail 1981 Comment
  RSA145150  Sparganium angustifolium Dorothy Parker 1960-9-10 791 Siskiyou Trail to Gulch Lake, Salmon Mountains. 2012 Comment
  JEPS84262  Spiraea densiflora L. R. Heckard with S. D'Alcamo, J. Hickman, S. Winchester 1986-7-16 6356 Siskiyou ca 7 mi nne Seiad Valley (sw of Cook and Green Pass, ca 0.5 mi se of Red Butte) 1730 Comment
  UC70411  Spiraea densiflora Milo S. Baker 1899-7-31 Siskiyou Ash Creek Mt. Shasta (above Warren and Anderson's Mill, e slope of Mt. Shasta) Comment
  CAS-BOT-BC149676  Spiraea douglasii Louis C. Wheeler 1934-8-16 3176 Siskiyou Klamath National Forest, 2 mi. SE White Mt. 1737 Comment
  CAS-BOT-BC149679  Spiraea douglasii A. A. Heller 1920-8-11 13503 Siskiyou Metcalf's ranch, northeast base of Mt. Eddy 1158 Comment
  CAS-BOT-BC149691  Spiraea douglasii John Thomas Howell 1937-7-22 13275 Siskiyou South Fork of Salmon River near Big Flat 1524 Comment
  HSC18903  Spiraea douglasii J. O. Sawyer 1968-6-18 246 Siskiyou Valley bottom of Blakes' Fork. 1707 Comment
  HSC64781  Spiraea douglasii J. P. Smith, Steve Selva 1970-7-17 4445 Siskiyou 915 Comment
  LA208255  Spiraea douglasii Steve Morgan; 1987-7-28 Siskiyou Mount Shasta, Shasta Trinity National Forest, McGinnis Springs, 5 mi. NW of McCloud 1767 Comment
  UC466728  Spiraea douglasii H. W. Furlong Sep 1901 Siskiyou Summit to Ager (No. California and So. Oregon) Comment
  UC555303  Spiraea douglasii Dorothy Tebbe 1929-7-1 Siskiyou Mt. Eddy; at Tern Dell Comment
  UCD114054  Spiraea douglasii R. Tofsrud; J. M. Tucker 1948-8-2 1751 Siskiyou Outskirts of McCloud. Comment
  HSC60775  Spiraea splendens var. splendens Ruby Van Deventer 1960-7-7 Siskiyou Bell Echo Camp in Youngs Valley Comment
  JEPS63083  Stachys ajugoides var. rigida W. L. Jepson 1894-7 21232 Siskiyou Sisson Comment
  CDA41015  Stachys ajugoides var. rigida T. R. Haig & F. D. Horn 1979-8-16 s.n. Siskiyou Gumboot Lake Area, west of Dunsmuir. 0 Comment
  HSC63578  Stachys rigida J. P. Smith, J. O. Sawyer 1971-9-18 4843 Siskiyou 2 mi. W of the junction of Hwy. 3 and Rd. 8, N of Callahan. 1037 Comment
  SEINET9285653  Stachys rigida Unknown 2002-6-28 Siskiyou Yreka Park Comment
  CAS-BOT-BC391219  Stellaria longipes subsp. longipes Alice Eastwood 1921-7-28 10876 Siskiyou Medicine Lake Comment
  HSC58  Stellaria longipes subsp. longipes William J. Ferlatte 1966-6-23 140 Siskiyou Big Flat, between campground and S Fork of the Salmon River 1524 Comment
  UCD99324  Stellaria longipes subsp. longipes Herbert L. Mason 1948-7-18 13611 Siskiyou Grass Lake. Comment
  HSC4294  Stellaria nitens Geo. D. Butler 1909-4-25 618 Siskiyou Quartz Valley Comment
  RSA69524  Stenanthium occidentale J. T. Howell 1939-8-5 15070 Siskiyou Spirit Lake, Marble Mtns 1829 Comment
  CAS-BOT-BC375943  Stephanomeria virgata Louis C. Wheeler 1934-7-17 2912 Siskiyou Klamath National Forest. Cottonwood Cr. 1036 Comment
  HSC34151  Stipa occidentalis var. californica J. O. Sawyer 1969-7-2 1031 Siskiyou SW facing upper slope above Music Lake 2378 Comment
  HSC92551  Stipa occidentalis var. californica Jennifer Whipple 1976-7-14 1475 Siskiyou SE slope of Mount Eddy draining into the N Fork of the Sacramento River 2195 Comment
  HSC19243  Stipa occidentalis var. occidentalis J. O. Sawyer 1969-7-25 1552 Siskiyou S of High Lake 2210 Comment
  HSC67789  Stipa occidentalis var. occidentalis J. O. Sawyer, Jane Cole 1980-7-20 3752 Siskiyou 2 mi. N of Little Glass Mtn., on road connecting FS Rd. 45N05 with FS Rd. 47N75 1875 Comment
  CAS-BOT-BC87864  Streptanthus tortuosus Elizabeth McClintock; Wayne Roderick; Martha Roderick 1967-7-29 s.n. Siskiyou Road to Mumbo Basin, Trinity Mountains. 1889 Comment
  CAS-BOT-BC87875  Streptanthus tortuosus Louis C. Wheeler 1935-6-27 3600 Siskiyou Head of Etna Creek, Marble Mountains. 1798 Comment
  LA51446  Streptanthus tortuosus C. L. Hitchcock; J. P. Martin 1939-7-7 5281 Siskiyou on side of Sanger Peak 1645 Comment
  SD79848  Streptanthus tortuosus Helen V. Witham 1969-10-9 607 Siskiyou Timberline, Mt. Shasta. 2400 Comment
  HSC103548  Streptanthus tortuosus var. orbiculatus Thomas W. Nelson 2005-5-23 9315 Siskiyou Shoeinhorse Mountain, along Forest Service Road 11, at Deer Creek. 948 Comment
  UC165748  Streptanthus tortuosus var. orbiculatus Geo. D. Butler 1909-7-15 893 Siskiyou Highland Mine Comment
  HSC18963  Streptanthus tortuosus var. tortuosus J. O. Sawyer 1969-7-25 1533 Siskiyou SE facing upper slope W of Sugar Lake 1997 Comment
  HSC18972  Streptanthus tortuosus var. tortuosus J. O. Sawyer 1969-8-3 1780 Siskiyou Near Little Duck Lake 2073 Comment
  HSC35793  Streptopus amplexifolius J. O. Sawyer 1969-7-18 1420 Siskiyou Head of S Russian Creek 1829 Comment
  SEINET6884052  Streptopus amplexifolius M. K. Solecki, J. B. Taft 1986-9-13 2161 Siskiyou Near Canyon Creek between Big Rock Fork and Death Valley Creek. Elevation 4,600 feet; Marble Mountain Wilderness. 1402 Comment
  UC1191398  Suaeda calceoliformis Verne Grant and Irving Schneider 1947-8-26 8304 Siskiyou Lower Klamath Lake; flats by Interstate Highway Comment
  RSA211326  Suksdorfia ranunculifolia William J. Ferlatte 1966-6-22 70 Siskiyou Josephine Lake basin; Trinity Alps. 1677 Comment
  CAS-BOT-BC245835  Symphoricarpos C. Hart Merriam 1919-10-12 s.n. Siskiyou Etna, Scott Valley Comment
  CAS-BOT-BC245849  Symphoricarpos Doris K. Kildale 1928-7-4 5523 Siskiyou Summit of divide between Salmon River and Scott Valley in Sawyers Bar-Etna Road Comment
  HSC18989  Symphoricarpos mollis J. O. Sawyer 1969-8-5 1968 Siskiyou Along Sugar Creek. 1707 Comment
  JEPS83839  Symphoricarpos mollis Wayne Roderick Jul 1976 Siskiyou vicinity Cook and Green Pass; Siskiyou Mts. 1463 Comment
  CAS-BOT-BC245772  Symphoricarpos rotundifolius Dorothy Parker 1947-5-23 183 Siskiyou Northeast slopes of the Gazelle Mountains 1493 Comment
  CAS-BOT-BC245770  Symphoricarpos rotundifolius Elmer I. Applegate 1923-9-7 3960 Siskiyou Doggett Ridge, south slope of the Siskiyou Mountains, Klamath River watershed. Comment
  CAS-BOT-BC97580  Symphyotrichum ascendens W. R. Dudley 1899-8-13 s.n. Siskiyou Nabar Meadows, near McCloud Comment
  JEPS22081  Symphyotrichum bracteolatum Willis L. Jepson 1894-7-24 Siskiyou Shasta Springs Upper Sacramento Comment
  JEPS40845  Symphyotrichum bracteolatum Geo. D. Butler 1908-8-29 289 Siskiyou L. Eastlicks Ranch Oro Fino Comment
  UC166162  Symphyotrichum campestre Geo. D. Butler 1910-9-11 1870 Siskiyou Edgewood Comment
  JEPS40765  Symphyotrichum foliaceum Geo. D. Butler 1910-8-13 1830 Siskiyou Quartz Valley Comment
  UC75819  Symphyotrichum spathulatum Milo S. Baker 1899-7-31 Siskiyou on Ash Creek, e slope of Mt. Shasta Mt. Shasta Comment
  HSC72274  Symphyotrichum spathulatum var. spathulatum J. P. Smith, J. O. Sawyer, Jane Sawyer, Kevin Sawyer 1976-9-5 8969 Siskiyou Hwy 3, 2.5 mi. N of Siskiyou-Trinity County line Comment
  HSC6261  Taraxacum officinale D. M. Thomson 1965-6-19 96 Siskiyou Lava Beds National Monument, Captain Jacks Stronghold Comment
  CAS-BOT-BC85247  Taxus brevifolia Doris K. Kildale 1929-8-24 8843 Siskiyou Preston Peak 2225 Comment
  HSC36733  Taxus brevifolia Brent Whitely 1975-6-28 84 Siskiyou 915 Comment
  UC224017  Taxus brevifolia H. E. Brown Jun 1 1897-Jun 10 1897 323 Siskiyou near Sisson 1083 Comment
  CAS-BOT-BC447415  Tellima grandiflora Alice Eastwood 1923-5-18 11847 Siskiyou Shasta Springs Comment
  CAS-BOT-BC88076  Thelypodium brachycarpum R. C. Barneby 1954-5-15 11502 Siskiyou 5.5 miles northwest of Edgewood. 899 Comment
  UC909331  Thelypodium flexuosum Dorothy Parker 1948-6-22 26 Siskiyou shoreline of lower Klamath Lake Klamath Lake 1280 Comment
  CAS-BOT-BC197375  Thinopyrum intermedium subsp. barbulatum T. C. Fuller 1962-8-30 9498 Siskiyou 200 yds. up Raggedass Gulch, e. of Beaver Creek, 5 mi. n. of the Klamath River Comment
  CHSC71569  Thlaspi montanum var. montanum Vernon H. Oswald; Lowell Ahart 1998-8-3 9426 Siskiyou Near the Pacific Crest Trail in the Scott Mtns. west of Kangaroo Lake. 1981 Comment
  JEPS93904  Thlaspi montanum var. montanum Vernon H. Oswald and Lowell Ahart 1998-8-3 9426 Siskiyou w of Kangaroo Lake (near the Pacific Crest Trail in the Scott Mountains); Scott Mountains 1981 Comment
  CAS-BOT-BC66802  Thysanocarpus curvipes Roxana S. Ferris; Laura Lorraine 1948-6-12 11887 Siskiyou Scott Mountain Road south of Callahan. Comment
  HSC64820  Thysanocarpus curvipes J. P. Smith 1976-5-5 8687 Siskiyou Road between Sawyers Bar and Somes Bar 488 Comment
  UC10993  Thysanocarpus curvipes T. H. Gilbert Jun 15 1899-Jul 15 1899 Siskiyou Scott River Valley Comment
  CAS-BOT-BC66801  Thysanocarpus curvipes L. B. Kildale 1930-6-1 9703 Siskiyou Salmon River at Crapp Creek. Comment
  RSA0049974  Thysanocarpus radians George D. Butler 1910-3-27 1146 Siskiyou Near Yreka. Comment
  RSA237924  Tofieldia glutinosa subsp. occidentalis Frederick W. Oettinger 1967-8-21 311 Siskiyou Northwest of Pine Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1878 Comment
  RSA378166  Tofieldia glutinosa subsp. occidentalis M. B. Dunkle 1945-7-24 9251 Siskiyou Klamath National Forest, Marble Mountains; Dad s Pocket Comment
  UCR222504  Tolmiea menziesii R. F. Thorne 1969-8-2 63396 Siskiyou Klamath Ranges Region; Salmon Mountains, Klamath National Forest, Marble Mountain Wilderness Area, trail to English Peak [along N fork of Salmon River] 1159 Comment
  UCD136889  Tragopogon dubius J. M. Tucker 1950-7-24 1945 Siskiyou Outskirts of town of Mt. Shasta. Comment
  POM56352  Tragopogon porrifolius Copeland 1903-8-4 3886 Siskiyou Sisson. Comment
  HSC62273  Triantha occidentalis subsp. occidentalis Ruby Van Deventer Aug 1957 Siskiyou Youngs Valley. Comment
  HSC76739  Triantha occidentalis subsp. occidentalis K. T. Stillman 1976-7-15 244 Siskiyou Marble Mtn. Wilderness Area 1951 Comment
  CAS-BOT-BC519561  Triantha occidentalis subsp. occidentalis Alice Eastwood 1912-7-22 1313 Siskiyou Sisson Comment
  UC22507  Trientalis latifolia Milo S. Baker 1893-6 Siskiyou 6 m below Bartles (McCloud River); McCloud River Comment
  RSA583104  Trifolium Louis C. Wheeler 1935-6-27 3617 Siskiyou Greenview, Scott Valley. 884 Comment
  POM28721  Trifolium cyathiferum Edward Palmer 1892-7-13 2475 Siskiyou Mount Shasta and vicinity Comment
  UCSC008680  Trifolium cyathiferum Randall Morgan 2003-7-12 3012 Siskiyou Cleghorn Meadow, circa 13 road miles north of Highway 96 on Oak Knoll Ranger Station Road, +/- east of Klamath River Village Comment
  JEPS2899 Image available Trifolium eriocephalum var. eriocephalum Geo. D. Butler 1908-8-3 384 Siskiyou Log Lake Shacklesford Creek 1524 Comment
  HSC62305  Trifolium howellii Ruby Van Deventer 1955-8-5 Siskiyou Clear Creek Trail crossing, Trout Camp Comment
  HSC44939  Trifolium longipes J. O. Sawyer 1978-6-20 3265 Siskiyou Marble Mtn. Wilderness Area, Hamilton Camp 1829 Comment
  UC1607609  Trifolium longipes subsp. oreganum Barbara Ertter 1990-7-16 9376 Siskiyou NW side of Mt. Eddy ca 8 air miles SW of Weed, ca 1-2 mi from Parks Cr trailhead (=crest of Rt 17). 2286 Comment
  SBBG15604  Trifolium pratense D. Myrick 1961-6-20 276 Siskiyou near Mt Shasta City 1066 Comment
  HSC19001  Trifolium productum J. O. Sawyer 1969-7-24 1193 Siskiyou NE facing slope above Sugar Lake 1784 Comment
  UCD78064  Trifolium productum Robert E. Preston 2001-6-23 1607 Siskiyou Klamath National Forest, n-facing slope of Rainbow Mtn, T42N R1W nw 1/4 of nw 1/4 Section 23 1981 Comment
  HSC101737  Trifolium willdenovii J. P. Smith, J. O. Sawyer 2010-5-2 12796 Siskiyou River access road, on the Salmon River. 164 Comment
  UCD139915  Trillium ovatum J. M. Tucker; L. K. Mann, Sandra Holloway 1963-7-7 3718 Siskiyou Paradise Lake, at the base of Kings Castle on the east side, Marble Mountain Wilderness Area. 1981 Comment
  RSA234826  Trillium ovatum subsp. oettingeri Frederick W. Oettinger 1969-7-10 956 Siskiyou Base of cliff southwest of Upper English Lake. Salmon Mtns. High Lake Basins in the vicinity of English Peak; Marble Mountain Wilderness Area. 1768 Comment
  CAS-BOT-BC200093  Trisetum canescens John Thomas Howell 1939-8-9 15199 Siskiyou Sky High Valley, Marble Mts. 1828 Comment
  HSC48279  Trisetum canescens Ken Stillman, J. O. Sawyer 1978-7-6 1036 Siskiyou Along Happy Camp-O'Brien Rd. above Louse Creek 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
  CAS-BOT-BC133494  Triteleia crocea Dorothy Parker 1948-5-16 s.n. Siskiyou Near Harstrand Gulch, east side of Scott Valley 914 Comment
  POM109795  Triteleia crocea Geo D. Butler 1910-5-5 1287 Siskiyou [Huckleberry] Mountain. 1220 Comment
  RSA256705  Triteleia crocea J. P. Smith 1974-5-25 7508 Siskiyou 2.4 miles west of its jct. with State Route 3. 976 Comment
  UC1037204  Triteleia ixioides subsp. anilina Leo Whitney 1934-6-28 1564 Siskiyou on the Stevens Pass Road 8 mi s Tennant 1524 Comment
  UC367041  Triteleia ixioides subsp. anilina unknown June 1879 Siskiyou near Shasta Comment
  UC454044  Triteleia ixioides subsp. anilina I. J. Condit 1911-7-27 Siskiyou Castle Lake 1981 Comment
  CAS-BOT-BC524316  Triteleia ixioides subsp. anilina W. B. C. 1938-7-15 11238 Siskiyou Wagon Camp Comment
  CAS-BOT-BC524319  Triteleia ixioides subsp. anilina A. A. Heller 1916-6-20 12413 Siskiyou Openings in the forest, Metcalf's ranch, northeast base of Mt. Eddy 1188 Comment
  UC572793  Tsuga mertensiana W. Bridge Cooke 1937-8-17 9295 Siskiyou lava slopes Mt. Shasta 2590 Comment
  CAS-BOT-BC80252  Tsuga mertensiana subsp. grandicona Ira L. Wiggins 1955-7-27 13566 Siskiyou Caribou Lake, Salmon-Trinity Alps Primitive Area 2042 Comment
  CAS-BOT-BC80258  Tsuga mertensiana subsp. grandicona John Thomas Howell 1937-7-25 13471 Siskiyou Caribou Basin, Salmon-Trinity Alps 2286 Comment
  CAS-BOT-BC80251  Tsuga mertensiana subsp. grandicona W. R. Dudley 1899-7-7 s.n. Siskiyou On Big M trail Comment
  HSC67617  Typha latifolia J. P. Smith, Steve Selva 1970-8-7 4540 Siskiyou Jct. I-5 and Stewart Creek Rd. Comment
  CAS-BOT-BC91274  Umbellularia californica Marion Ownbey; Fred G. Meyer 1940-7-8 2223 Siskiyou Along Indian Creek, 12 miles above Happy Camp. Comment
  CAS-BOT-BC403937  Urtica dioica subsp. gracilis Alice Eastwood 1917-9-2 6675 Siskiyou Shasta Springs Comment
  SFV17864  Utricularia vulgaris J. D. Dilley 1998-7-13 361 Siskiyou Siskiyou Mountains Grass Lake by rest stom on Interstate Highway 97, 20 miles north of Weed. 1550 Comment
  CDA42169  Utricularia vulgaris P. Zedeker 1964-7-28 s.n. Siskiyou Orr Lake, northwest of Bray. 0 Comment
  CAS-BOT-BC199187  Vaccinium cespitosum A. A. Heller 1915-7-15 12087 Siskiyou Mt. Eddy 1828 Comment
  HSC19469  Vaccinium cespitosum J. O. Sawyer 1969-8-1 1658 Siskiyou SE facing slope above Duck Lake Creek 1951 Comment
  HSC65289  Vaccinium cespitosum Rich White 1978-7-3 219 Siskiyou Lake E of Sawtooth Trail, N of Dillon Trail 1502 Comment
  HSC68332  Vaccinium cespitosum Maralyn A. Renner 1980-6-26 1239 Siskiyou SE edge of Flint Valley. 1390 Comment
  CAS-BOT-BC199229  Vaccinium membranaceum Louis C. Wheeler 1934-8-16 3162 Siskiyou Klamath National Forest. Johnson Dairy 1645 Comment
  HSC19336  Vaccinium membranaceum J. O. Sawyer 1969-6-12 876 Siskiyou SE facing upper slope above Sugar Creek 1982 Comment
  HSC19351  Vaccinium membranaceum J. O. Sawyer 1968-6-25 303 Siskiyou NE of N Horse Range Lake 2012 Comment
  JEPS25639  Vaccinium membranaceum Rimo Bacigalupi with Mr. and Mrs. Van Deventer 1959-7-9 7278 Siskiyou Poker Flat 1536 Comment
  CAS-BOT-BC199478  Vaccinium parvifolium Doris K. Kildale 1930-8-24 9032 Siskiyou Rattlesnake Meadow near Preston Peak 1676 Comment
  HSC27969  Vaccinium parvifolium Carl W. Mize 1972-9-24 129 Siskiyou 732 Comment
  HSC67630  Vaccinium parvifolium J. P. Smith, Steve Selva 1970-7-15 4352 Siskiyou Klamath National Forest, road to Happy Camp. 732 Comment
  UC1409421  Vaccinium scoparium Frederick W. Oettinger 1968-8-3 370 Siskiyou mid-trail between Diamond Lake and Hancock Lake (w Siskiyou County); Salmon Mountains, Marble Mountain Wilderness Area, English P 2011 Comment
  RSA238573  Vancouveria hexandra Frederick W. Oettinger 1968-8-17 555 Siskiyou NW of Pine Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1860 Comment
  HSC73293  Vancouveria planipetala Gail Newton 1980-6-20 523 Siskiyou Near Bald Mtn. 1326 Comment
  RSA237916  Veratrum californicum Frederick W. Oettinger 1969-9-2 1590 Siskiyou Meadows above Bear Meadow, near Tom Taylor Cabin. The Salmon Mountains. The High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2134 Comment
  UCD78077  Veratrum californicum var. californicum Robert E. Preston 2002-7-14 1931 Siskiyou Klamath National Forest, N slope of Rainbow Mountain 1895 Comment