Search Results — 2000 specimen records retrieved (1394 records with coordinates)
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? Specimen ID Determination * Collector Collection Date Collection Number County Locality Elevation in meters Feedback
  UC1409512  Abies amabilis Frederick W. Oettinger 1968-9-5 711 Siskiyou s end of Diamond Lake Salmon Mts., Diamond Lake (w Siskiyou County) 2072 Comment
  HSC43427  Abies concolor Maralyn O'Meara 1974-5-25 390 Siskiyou Along road to Duck Lakes trail 1402 Comment
  HSC67698  Abies concolor John Palmer 1980-7-24 582 Siskiyou Klamath National Forest, Elk Hole 1503 Comment
  UC637119  Abies grandis Edward Lee 1934-8-12 1053 Siskiyou 0.25 mi w of the mouth Walker Creek (s side of the Klamath River, e end of Seiad Valley); Seiad Valley 426 Comment
  HSC39922  Abies lasiocarpa J. O. Sawyer 1971-7-16 2431 Siskiyou Slopes NE of Deep Lake, Bulk Collection 115 2165 Comment
  HSC4982  Abies lasiocarpa J. O. Sawyer 1968-7-9 430 Siskiyou W of Little Duck Lake. 1936 Comment
  HSC69242  Abies magnifica Maralyn A. Renner 1980-9-1 2701 Siskiyou S side of Devil's Punchbowl 1829 Comment
  HSC69550  Abies magnifica Maralyn A. Renner 1980-7-28 2202 Siskiyou E spur of Kangaroo Mtn., near ridge 1890 Comment
  OBI36530  Abies magnifica David J. Keil 1983-7-3 17385 Siskiyou Slopes of Mt Shasta along Memorial Hwy Comment
  UC55653  Abies magnifica var. magnifica Harley P. Chandler 1901-6-1 1684 Siskiyou Marble Mountain North Coast Ranges, Marble Mountain 2438 Comment
  UC333504  Abies magnifica var. shastensis unknown 1891-11-12 Siskiyou near Mt. Shasta Comment
  RSA237206  Abies procera Frederick W. Oettinger 1968-9-10 810 Siskiyou Slope N of Franz Peak NW of English Peak. Salmon Mtns. High Lake basins in the vicinity of English Peak Marble Mountain Wilderness area; 2104 Comment
  CAS-BOT-BC330621  Acer circinatum Wm. Bridge Cooke 1940-7-12 15309 Siskiyou Near the Sacramento River in the Box Canyon near Mount Shasta City 914 Comment
  JEPS42681  Acer glabrum Geo. D. Butler 1908-8-5 531 Siskiyou Wooley Creek Comment
  UC1505812  Acer glabrum var. glabrum Robert T. Clausen and Harold Trapido 1940-7-26 4959 Siskiyou canyon of Mud Creek So. Cascade Mts., Sacramento River Basin, Mt. Shasta (Sacramento River Basin, So. Cascade Mts.) 1493 Comment
  HSC42164  Acer glabrum var. torreyi R. J. Mastrogiuseppe, J. D. Mastrogiuseppe 1974-9-2 Siskiyou Near Kidd Creek Comment
  HSC672  Acer glabrum var. torreyi William J. Ferlatte 1967-7-9 689 Siskiyou Kidd Creek 1890 Comment
  RSA29662  Acer glabrum var. torreyi Louis C. Wheeler 1935-6-27 3598 Siskiyou Head of Etna Creek, Marble Mountains. 1799 Comment
  CAS-BOT-BC332783  Acer macrophyllum Carl B. Wolf 1927-8-26 1103 Siskiyou On the Klamath River, 14 mi above Happy Camp Comment
  SEINET4068104 Image available Acer macrophyllum O. M. Clark 1947-1 sn Siskiyou Siskiyou Mountains. Comment
  UC166209  Acer negundo Geo. D. Butler 1910-6-30 1617 Siskiyou Yreka Creek Comment
  CAS-BOT-BC18871  Achillea millefolium J. M. Tucker; L. K. Mann; S. L. Holloway 1963-8-18 3758 Siskiyou Southwestern ridge of Black Marble Mountain, Marble Mountain Wilderness Area 2133 Comment
  CAS-BOT-BC30440  Achillea millefolium A. A. Heller 1915-8-26 12241 Siskiyou Mt. Eddy 1828 Comment
  HSC68003  Achillea millefolium J. P. Smith, Steve Selva 1970-6-15 3983 Siskiyou 1 mi. W of junction of Hwy. 3 and Rd. 8 leading to Sugar Creek 1159 Comment
  HSC92585  Achillea millefolium Jennifer Whipple 1978-10-6 2404 Siskiyou Primarily N facing slopes in the Eddy Creek drainage. 2317 Comment
  UCD77247  Achillea millefolium Robert E. Preston 2001-6-23 1618 Siskiyou Klamath National Forest, n-facing slope of Rainbow Mtn. 1706 Comment
  RSA68926  Achillea millefolium A. E. Culbertson 1943-7-12 31 Siskiyou Castle Lake, in a north facing cirque with an abrupt 1000' backwall; 14 miles SW of Mt. Shasta on N side of a 6600' eastern spur of Trinity Mts.; 2000' above Sacramento R. within 10 air miles of its headwaters to the west. 1657 Comment
  CAS-BOT-BC210720  Achnatherum lemmonii Louis C. Wheeler 1934-6-11 2682 Siskiyou Klamath National Forest. North Hungry Cr. 1310 Comment
  CAS-BOT-BC216925  Achnatherum occidentale A. A. Heller 1916-6-22 12427 Siskiyou Near Black Butte N of Sisson 1097 Comment
  UCD55558  Achnatherum occidentale L. Whitney 1934-6-29 2193 Siskiyou Antelope Creek, near Tennant. 1463 Comment
  CAS-BOT-BC210863  Achnatherum occidentale subsp. californicum Alice Eastwood 1912-7-15 1131 Siskiyou McCloud Comment
  JEPS76055  Achnatherum occidentale subsp. californicum W. L. Jepson 1937-7-22 18453 Siskiyou Dunsmuir Comment
  RSA238981  Achnatherum occidentale subsp. californicum Frederick W. Oettinger 1968-9-6 744 -a Siskiyou Tom's Lake region, Edge of Bear Meadow . The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2188 Comment
  SEINET203569  Achnatherum occidentale subsp. californicum W. B. Cooke 1938-7-15 11168 Siskiyou Bear Springs; Mt Shasta 1524 Comment
  UCD55544  Achnatherum occidentale subsp. californicum A. H. Murphy 1953-7-28 KNF 4 Siskiyou Klamath National Forest. Long Gulch Camp. 1889 Comment
  CDA28112  Achnatherum occidentale subsp. pubescens Don Shaw 1973-7-26 Siskiyou MCloud, Hearst Estates in orchard. 0 Comment
  UC563985  Achnatherum thurberianum Elmer I. Applegate 1935-6-8 9437 Siskiyou Bearpaw Cave Lava Beds National Monument Comment
  POM216195  Achyrachaena mollis Louis C. Wheeler 1935-5-26 3533 Siskiyou Siskiyou Mts. Mt. Diablo Mer. 854 Comment
  UCD104265  Acmispon nevadensis var. nevadensis Tofsrud 1948-8-1 s.n. Siskiyou East edge of McCloud. Comment
  HSC101739  Acmispon wrangelianus J. P. Smith, J. O. Sawyer 2010-5-2 12798 Siskiyou River access road, on the Salmon River. 164 Comment
  CAS-BOT-BC167238  Aconitum columbianum R. C. Wenk 2008-7-25 944 Siskiyou Lily Pad Lake, just west of Kangaroo Lake, south of the Gazelle-Callahan Rd. 1798 Comment
  CAS-BOT-BC391515  Aconitum columbianum subsp. columbianum Alice Eastwood 1912-7-17 1189 a Siskiyou Sisson Comment
  HSC69335  Aconitum columbianum subsp. columbianum John Palmer 1980-8-13 771 Siskiyou Dead Cow Creek, near USFS Rd. 47N44, Beaver Creek Rd. 1616 Comment
  CAS-BOT-BC412918  Aconogonon davisiae Gilbert Muth 1966-7-14 392 Siskiyou Flat above Marble Valley, Marble Gap Trail, Marble Mts. 1828 Comment
  HSC61825  Aconogonon phytolaccifolium Ruby Van Deventer 1959-7-9 Siskiyou Poker Flat 1585 Comment
  CAS-BOT-BC418814  Aconogonon phytolaccifolium L. S. Smith 1913-7-27 507 Siskiyou McCloud Comment
  UC637155  Actaea rubra Edward Lee 1934-8-15 1130 Siskiyou near summit of rd. Happy Camp to Waldo (Oregon); Klamath Nat'l Forest, Indian Creek watershed 1584 Comment
  CAS-BOT-BC29320  Adenocaulon bicolor Doris Kildale 1929-7-21 8745 Siskiyou Elk Lick, south fork Indian Creek Comment
  RSA416327  Adenocaulon bicolor M. B. Dunkle 1944-7-17 9117 Siskiyou Deer Creek. Comment
  HSC46073  Adiantum aleuticum J. P. Smith, Steve Selva 1970-6-14 3876 Siskiyou Road to Steinacher Creek near Somes Bar. Comment
  RSA687743  Adiantum aleuticum M. B. Dunkle 1945-1 9314 Siskiyou Klamath National Forest, Marble Mountains 2439 Comment
  UC1483405  Adiantum aleuticum Maralyn A. Renner 1980-6-24 1005 Siskiyou tributary stream to East Fork Seiad Creek (where crossed by FS Rd 48N20); Klamath Nat'l Forest, Seiad Valley Quadrangle 1021 Comment
  RSA126296  Adiantum aleuticum I. L. Wiggins 1955-7-23 13477 Siskiyou China Creek 1098 Comment
  SEINET10953807 Image available Adiantum aleuticum Edwin B. Copel 1903-9-6 Copeland 3859 Siskiyou Mt. Eddy. 1463 Comment
  UCD51462  Aegilops cylindrica T. C. Fuller 1962-6-12 8970 Siskiyou Little Shasta Rd., 1 mile east of Montague. Comment
  SEINET14139455 Image available Aegilops cylindrica T. C. Fuller 1960-5-24 4341 Siskiyou Roadside ditch, 4 mi. E. Montague Comment
  CAS-BOT-BC26634  Agastache parvifolia Alice Eastwood; John Thomas Howell 1940-6-14 8266 Siskiyou Lava Beds National Monument, near Schonchin Butte Comment
  SEINET515848  Agastache parvifolia Vernon Oswald 1997-7-28 8771 Siskiyou Forest Route 49 (Powder Hill Rd.) at 41N03 (to Porcupine Butte), 16 mi. S of Medicine Lake. 1366 Comment
  HSC2395  Agastache urticifolia William J. Ferlatte 1966-8-18 425 Siskiyou Willow Creek Trail. 1707 Comment
  SDSU6844  Ageratina occidentalis D. F. Howe 1964-8-6 3942 Siskiyou 3.5 miles south of Happy Camp on #96, Klamouth National Forest. 152 Comment
  RSA238750  Agoseris aurantiaca Frederick W. Oettinger 1968-8-14 517 Siskiyou Bear Meadow,' mid-way, as the crow flies, between Tom Taylor Cabin and English Peak lookout. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1997 Comment
  UCD77307  Agoseris aurantiaca var. aurantiaca Robert E. Preston 2002-7-12 1906 Siskiyou Klamath National Forest, S slope of Rainbow Mountain, N of Trout Creek. 1712 Comment
  RSA14495  Agoseris glauca var. dasycephala Elmer I. Applegate 1923-8-17 3845 Siskiyou West side of Medicine Lake Comment
  CHSC98747  Agoseris glauca var. monticola L. P. Janeway; B. Castro 2007-7-29 9139 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
  RSA167323  Agoseris grandiflora Joseph P. Tracy 1949-9-15 18555 Siskiyou 1.5 miles up Taylor Creek from mouth (branch of E. Fork of S. Fork Salmon River) 5 miles northeast of Cecilville. Comment
  RSA416433  Agoseris grandiflora M. B. Dunkle 1944-7-7 s.n. Siskiyou Deer Creek. 1768 Comment
  CAS-BOT-BC15379  Agoseris grandiflora var. grandiflora Louis C. Wheeler 1934-6-11 2683 Siskiyou North Hungry Creek, Siskiyou Mountains 1310 Comment
  UC195380  Agoseris grandiflora var. grandiflora A. A. Heller 1916-7-20 12555 Siskiyou at, ne base of Mt. Eddy Metcalf's ranch; Mt. Eddy 1188 Comment
  CAS-BOT-BC15392  Agoseris grandiflora var. grandiflora LeRoy Ellsworth Detling 1950-6-11 6636 Siskiyou Siskiyou Pass 1127 Comment
  CAS-BOT-BC22778  Agoseris heterophylla LeRoy Abrams 1926-7-4 11223 Siskiyou 1 mile west of Shasta City on road to Abrams Lake Comment
  HSC26540  Agrostis exarata J. P. Smith, Steve Selva 1970-7-27 4502 Siskiyou Gumboot Lake 1768 Comment
Read comments
Jun 7 2012
  HSC30613  Agrostis exarata Frederick W. Oettinger 1968-9-7 755 Siskiyou Marble Mtn. Wilderness Area, along N shoreline of Hancock Lake 1936 Comment
  HSC39666  Agrostis exarata J. P. Smith, J. O. Sawyer, & Maralyn O'Meara 1972-7-4 5733 Siskiyou Roadside, 1.4 mi. S of Sugar Creek on Parrott Mill Road 1341 Comment
  HSC69385  Agrostis exarata Maralyn A. Renner 1980-8-31 2668 Siskiyou Poker Flat at trailhead to Twin Valley 1524 Comment
  UCD52132  Agrostis exarata Beecher Crampton 1956-8-21 3818 Siskiyou south slope of Gumboot Lake, headwater of the south fork of the Sacramento River. 1920 Comment
  CAS-BOT-BC139568  Agrostis gigantea W. R. Dudley 1899-8-15 s.n. Siskiyou Near Bartlets. Comment
  CAS-BOT-BC139570  Agrostis gigantea Louis C. Wheeler 1934-8-14 3134 Siskiyou Klamath Forest. North side White Mountain. 1767 Comment
  RSA238357  Agrostis humilis Frederick W. Oettinger 1969-9-4 1631 Siskiyou East side of Hancock Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1890 Comment
  SEINET7594040 Image available Agrostis idahoensis F. W. Oettinger [s d ] 736 Siskiyou toward peak from Bear Meadow, Tom' Lake region, Salmon Mountains 2187 Comment
  HSC30454  Agrostis pallens Frederick W. Oettinger, R. F. Thorne 1969-8-4 1160 Siskiyou Marble Mtn. Wilderness Area, above Half-way Spring, on trail from English Lake to Diamond Lake 1951 Comment
  HSC39813  Agrostis pallens J. O. Sawyer 1969-8-4 1836 Siskiyou Above Sugar Lake 2134 Comment
  UC1265314  Agrostis pallens F. W. Oettinger and R. F. Thorne 1969-8-6 1230 Siskiyou face of steep cliff s Pine Lake; Salmon Mountains 1920 Comment
  CAS-BOT-BC138698  Agrostis scabra Copeland 1903-9-5 3799 Siskiyou Igerna. Comment
  HSC40881  Agrostis scabra J. O. Sawyer 1973-7-16 2540 Siskiyou Along Wooley Creek at junction with Bridge Creek. 396 Comment
  HSC710  Agrostis scabra William J. Ferlatte 1967-8-19 1039 Siskiyou S Fork of Salmon River, between campground and Carter's 1524 Comment
  UC815156  Agrostis scabra J. R. Swallen 1941-7-25 16114 Siskiyou MacBride Springs area Mt. Shasta 1524 Comment
  CAS-BOT-BC138647  Agrostis stolonifera Alice Eastwood 1921-7-31 s.n. Siskiyou Shasta Springs. Comment
  RSA115691  Agrostis stolonifera Beecher Crampton 1956-8-20 3799 Siskiyou Ditch along US Hwy. 99, 1/2 mile south of Dunsmuir Comment
  RSA238341  Agrostis stolonifera Frederick W. Oettinger 1969-8-24 1523 Siskiyou Near inlet to Upper English lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1799 Comment
  RSA238351  Agrostis stolonifera Frederick W. Oettinger 1968-9-8 790 Siskiyou Cliffs south of English Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. Comment
  UC1265425  Agrostis stolonifera Frederick W. Oettinger 1969-8-24 1527 Siskiyou vicinity English Peak (Upper English Lake); Salmon Mountains, Marble Mountain Wilderness Area, English P 1798 Comment
  UCD53513  Agrostis stolonifera Geo. D. Butler 1909-6-28 852 Siskiyou Almy Creek, near Yreka. Comment
  UCD53628  Agrostis stolonifera A. H. Murphy 1958-8-4 58 -B Siskiyou Little Elk Lake Marble Mts. 1676 Comment
  RSA186327  Agrostis variabilis Gilbert Muth 1966-10-16 18 Siskiyou Marble Mountain. 1793 Comment
  RSA384933  Agrostis variabilis M. B. Dunkle 9317 Siskiyou Klamath Nat'l Forest, Marble Mountains, Sierra Nevada. Comment
  UCD35443  Agrostis variabilis Beecher Crampton 1956-8-22 3857 Siskiyou Panther Meadow, south slope of Mt. Shasta. 2316 Comment
  SEINET10790426  Agrostis variabilis A. Arthur Heller 1922-7-15 Heller 13697 Siskiyou Damp ground, margin of the small lake at Medicine Lake. Canadian. 2134 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-BC138356  Aira caryophyllea var. caryophyllea J. H. Thomas 1954-5-13 4148 A Siskiyou Salmon Mountains, Klamath National Forest. Near South Fork of Salmon River, 5 to 9 miles southeast of Cecilville. Along Rush Creek. 1127 Comment
  UC201705  Alisma plantago-aquatica Geo. D. Butler 1910-8-21 1854 Siskiyou Shasta River Comment
  HSC66101  Alisma triviale J. P. Smith, Steve Selva 1970-8-8 4546 Siskiyou Juanita Lake Comment
  CAS-BOT-BC462374  Allium amplectens A. M. Vollmer; L. Beane 1951-5-31 33 Siskiyou On scree near highway, Scott Mountain Comment
  CAS-BOT-BC462993  Allium bolanderi Geo. D. Butler 1910-6-3 1469 Siskiyou Quartz Valley Comment
  HSC77343  Allium bolanderi var. bolanderi L. P. Janeway 1983-6-26 347 Siskiyou Near USFS Rd. 18N33 0.74 mi. from Grayback Rd. 1006 Comment
  HSC76636  Allium falcifolium K. T. Stillman 1976-6-25 54 Siskiyou Marble Mountain Wilderness Area. 1829 Comment
  SBBG843  Allium falcifolium H. and M. Dearing 1938-6-29 2195 Siskiyou Mt Shasta 2438 Comment
  CAS-BOT-BC469237  Allium falcifolium Alice Eastwood 1912-8-30 2004 Siskiyou Mount Eddy Comment
  CAS-BOT-BC469247  Allium falcifolium Antone J. Soares 1922-6-1 s.n. Siskiyou Shasta Springs Comment
  CAS-BOT-BC472981  Allium membranaceum Volney Rattan 1879-6-10 s.n. Siskiyou Klamath Comment
  UCD138604  Allium siskiyouense L. K. Mann; J. M. Tucker, S. L. Holloway 1963-7-9 s.n. Siskiyou Marble Mountain Wilderness Area. 1950 Comment
Read comments
Mar 27 2015
  JEPS74459  Allium validum W. J. Ferlatte 1966-8-17 393 Siskiyou Caribou Basin 1981 Comment
  CAS-BOT-BC478026  Allium validum Wm. Bridge Cooke 1938-7-15 11253 Siskiyou Wagon camp. Common along the creeks leading from the Wagon Camp springs. Also in the Heather Meadows at Panther and Squaw Creeks. 1737 Comment
  CAS-BOT-BC478032  Allium validum A. A. Heller 1915-8-26 12233 Siskiyou Mt. Eddy in open swampy places in the forest 1828 Comment
  CAS-BOT-BC453443  Allotropa virgata Volney Rattan 1879-6-1 s.n. Siskiyou Klamath Comment
  CAS-BOT-BC171412  Alnus incana subsp. tenuifolia W. R. Dudley 1907-8-25 s.n. Siskiyou Carter Meadow, Salmon Mountains Comment
  UC847420  Alnus incana subsp. tenuifolia A. A. Heller 1916-8-24 12559 Siskiyou near Sisson Comment
  HSC68578  Alnus rhombifolia Maralyn A. Renner 1980-6-23 973 Siskiyou W Fork Seiad Creek 878 Comment
  JEPS109399  Alnus rhombifolia Dean W. Taylor 2004-7-19 19190 B Siskiyou Weed, wet meadow just east of town limits along Boles Creek 1051 Comment
  JEPS46400  Alnus rhombifolia W. L. Jepson 1920-1 Siskiyou Hamburg Klamath River Comment
  CLARK-A1528-7858  Alnus tenuifolia John C. Roos 1948-9-1 3953 Siskiyou Etna Comment
  SBBG25320  Alnus viridis subsp. sinuata S. L. Holloway 1963-6-2 72 Siskiyou 100 yards from Deep Crk and 0.25 mi N of Deep Lake, Marble Mtns Comment
  CDA1713  Alopecurus pratensis William J. Ferlatte 1988-5-26 Siskiyou Larry Moran property, French Creek Road, Etna. 0 Comment
  JEPS125961  Alyssum alyssoides D. W. Taylor 1997-6-11 16044 Siskiyou Headwaters of Moffett Creek, Scott river drainage, at head of Sissel Gulch Comment
  JEPS54294  Amaranthus californicus Geo. D. Butler 1908-7-16 544 Siskiyou near Yreka (along creek of Butler's ranch) Comment
  HSC65538  Amelanchier pallida R. White 1977-6-20 88 Siskiyou NE area around Devil's Punchbowl 1433 Comment
  HSC68381  Amelanchier pallida Maralyn A. Renner 1980-6-26 1207 Siskiyou N edge of Flint Valley 1390 Comment
  RSA237653  Amelanchier pallida Frederick W. Oettinger 1969-7-18 1057 Siskiyou SW of upper English Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1951 Comment
  CAS-BOT-BC136921  Amelanchier utahensis Roxana S. Ferris; Laura Lorraine 1948-6-12 11777 Siskiyou About 5.5 miles from Etna on forks of Salmon Road Comment
  UC1190236  Amelanchier utahensis Ira L. Wiggins 1955-7-28 13564 Siskiyou Caribou Lake; Salmon-Trinity Primitive Area 2042 Comment
  RSA611110  Amsinckia menziesii L. C. Wheeler 1935-6-2 3539 Siskiyou Shasta River, Siskiyou Mts. 732 Comment
  RSA0089706  Amsinckia retrorsa E. K. Balls 1950-5-17 14720 Siskiyou By New Lava Flow, on rd. to Capt. Jack s Stronghold. Lava Beds Nat l Monument. 1585 Comment
  CHSC63492  Anaphalis margaritacea Vernon H. Oswald; Lowell Ahart 1994-8-1 6416 Siskiyou Forest Rd. 26 paralleling the South Fork of the Sacramento River, 1.5 mi E of Forest Rd. 40N43, 7.8 mi SW of the dam at Lake Siskiyou. 1341 Comment
  JEPS85080  Anaphalis margaritacea W. B. and V. G. Cooke with Ted Graves 1988-8-29 64234 Siskiyou s side, in Mud Creek drainage Mount Shasta; Shasta-Trinity National Forest, Mount Shasta 1584 Comment
  UC642540  Anaphalis margaritacea W. B. Cooke 1939-8-10 13863 Siskiyou Mud Creek Canyon; Mount Shasta 2133 Comment
  UC165395  Ancistrocarphus filagineus Geo. D. Butler 1909-5-23 718 Siskiyou trodden plains near Yreka Comment
  RSA461382  Androsace elongata subsp. acuta Louis C. Wheeler 1935-3-16 3372 Siskiyou Klamathon, Klamath River. 701 Comment
  HSC67684  Anemone deltoidea John Palmer 1980-7-24 629 Siskiyou Klamath National Forest, Elk Hole 1503 Comment
  HSC69536  Anemone deltoidea Maralyn A. Renner 1980-8-6 2257 Siskiyou FS Rd. 40S07 crossing of Louse Creek 1127 Comment
  HSC99847  Anemone deltoidea G. L. Clifton 1979-7-1 6179 Siskiyou Near Poker Flat, close to the town of Happy Camp 1538 Comment
  RSA211140  Anemone deltoidea William J. Ferlatte 1966-6-22 89 Siskiyou Along the South Fork of the Salmon River between the campgrond and Carter's; Trinity Alps. 1524 Comment
  SEINET12087309  Anemone deltoidea A. Eastwood, Howell, J. T. 1937-1 5035 Siskiyou Salmon Mountains, 5 mi SW of Etna Comment
  HSC45193  Anemone drummondii J. O. Sawyer, E. Cope 1977-6-21 2986 Siskiyou Along Kelsey Trail W of Bear Lakes 1677 Comment
  HSC69707  Anemone drummondii Maralyn A. Renner 1980-6-26 1259 Siskiyou Klamath National Forest, ridge along FS Rd. 15N01, 1 mi. N of Flint Valley. 1494 Comment
  UC1094391  Anemone drummondii Rimo C. Bacigalupi with Galen Smith 1957-6-26 5952 Siskiyou ca. 6 mi. due s. Mt. Eddy (slope above s. end Gumboot Lake, head of S. Fork Sacramento R.); S. Fork Sacramento R., Gumboot Lake 1859 Comment
  UC199534  Anemone drummondii Annie M. Alexander and L. Kellogg 1911-8-14 320 Siskiyou Mt. Eddy 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
  CAS-BOT-BC391857  Anemone drummondii Dorothy Parker 1945-6-8 75 Siskiyou Rock Fence Lake to Deadfall Comment
  POM100562  Anemone drummondii Geo. D. Butler 1908-8-5 45 Siskiyou Marble Mtn Comment
  HSC41040  Anemone lyallii J. O. Sawyer 1970-3-4 2059 Siskiyou N of Idlewild Campground 762 Comment
  HSC34320  Anemone occidentalis J. P. Smith, J. O. Sawyer 1973-8-14 7321 Siskiyou W of Cliff Lake 1982 Comment
  HSC62128  Anemone occidentalis Al Hobart 25 Jul [year missing] Siskiyou Preston Peak 1982 Comment
  HSC33969  Anemone oregana var. oregana J. P. Smith 1974-5-25 7462 Siskiyou Along Rd. 8, 4.7 mi. W of its junction with Hwy. 3 1159 Comment
  UCD127178  Angelica tomentosa Joseph DiTomaso 1980-8-5 1853 Siskiyou Baldy Mt. Lookout, 6 miles west of Happy Camp. 200 m north of lookout. 1706 Comment
  RSA202367  Angelica tomentosa var. tomentosa J. M. Tucker 1963-8-20 3787 Siskiyou 1/2 mile northwest of the Marble Valley Guard Station, Marble Mountain Wilderness Area 1921 Comment
  RSA699536  Antennaria argentea Jenny Marr 1993-07 0134 Siskiyou Butte Valley Wildlife Area, ~7 air miles NW of the town of MacDoel. 1350 Comment
  CAS-BOT-BC58717  Antennaria geyeri A. A. Heller 1916-7-21 12482 Siskiyou Near Upton 1097 Comment
  JEPS13375  Antennaria geyeri Duncan Dunning 1921-7-16 Siskiyou nw of Hambone; Toad Mountain Comment
  UC485652  Antennaria geyeri T. S. Brandegee Siskiyou Sisson Comment
  RSA238723  Antennaria media Frederick W. Oettinger 1969-9-2 1598 Siskiyou The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. Moist, rocky sedge meadow of late snow hold area on the N side of English Peak. Comment
  SFV5166  Antennaria rosea B. C. Templeton 1960-6-21 8550 Siskiyou Klamath Mountains Near the top of Scott Mountain. On mountain slopes. 1645 Comment
  UC34179  Antennaria rosea Harley P. Chandler 1901-6-1 1656 Siskiyou Marble Mountain North Coast Ranges, Marble Mountain 2438 Comment
  UC75910  Antennaria rosea Milo S. Baker 1892-8-1 156 Siskiyou Medicine Lake Comment
  UC725670  Anthemis cotula A. A. Heller 1916-7-20 12460 Siskiyou Metcalf's Ranch Comment
  POM43118  Antirrhinum vexillocalyculatum subsp. breweri Geo. D. Butler 1910-6-17 1569 Siskiyou Humbug Mountain. 1067 Comment
  UC157679  Apocynum androsaemifolium Milo S. Baker 563 Siskiyou Sisson Comment
  RSA403115  Apocynum androsaemifolium subsp. pumilum B. C. Templeton 1960-6-21 8538 Siskiyou Between Callahan and the summit of Scott mts. Comment
  HSC729  Aquilegia formosa William J. Ferlatte 1966-8-3 273 Siskiyou Josephine Lake Basin 1677 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
  SEINET193230  Arabis holboellii var. pinetorum Lincoln Constance, Reed C. Rollins 1942-5-13 2914 Siskiyou Scott River 10 miles southwest of Scott Bar. 610 Comment
  HSC67807  Arabis holboellii var. pinetorum J. O. Sawyer, J. Cole 1980-7-22 3961 Siskiyou NW slopes of Cedar Mtn. 1524 Comment
  HSC57505  Arabis lyallii G. L. Clifton, Terry Griswold 1979-7-26 10157 Siskiyou Near Salmon Mtn., close to the town of Forks of Salmon 2104 Comment
  JEPS53010  Arabis oregana Joseph P. Tracy 1939-4-29 16267 Siskiyou near Somes Bar (1 mi. above mouth of Salmon R.) 182 Comment
  UC1980203  Arabis oregana Curtis R. Bjork 2000-5-21 5334 Siskiyou Siskyou Co.: Klamath / Siskyou Bioregion. Klamath National Forest. Shortly upslope from Walker Road. 15 miles NWN of Yreka on slopes above the south bank of the Klamath River. Comment
  HSC75660  Arabis platysperma J. O. Sawyer, R. J. Cole 1980-7-20 3704 Siskiyou Little Glass Mtn. 1951 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
  UC909371  Arabis puberula Ira L. Wiggins 1950-5-28 12376 Siskiyou ridge just above Grouse Lake (headwaters of Grouse Creek); Grouse Creek 1828 Comment
  HSC90570  Arabis puberula Jennifer Whipple 1976-6-11 961 Siskiyou S face of Mount Eddy draining into the N Fork of the Sacramento River 2195 Comment
  UC589673  Arabis subpinnatifida Douglas Horn 1938-4-17 28 Siskiyou hills e Etna 883 Comment
  UC165380  Arabis suffrutescens Geo. D. Butler 1910-7-9 1705 Siskiyou Shackleford Creek Comment
  UC54229  Arceuthobium douglasii H. M. Hall and E. B. Babcock 1903-6-15 4078 Siskiyou near Upton Sierra Nevada Mtns 1219 Comment
  SEINET2139750  Arceuthobium monticola R. L. Mathiasen 2008-1 2008 -24 Siskiyou Black Butte (south of Takilma, OR) 1450 Comment
  UCR47872  Arctostaphylos manzanita 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
  LA42206  Arctostaphylos nevadensis H. P. Bracelin; 1931-6-21 459 Siskiyou N side of Mt. Eddy above Dobkin's Lake, near Mt. Shasta City 2133 Comment
  UC1190121  Arctostaphylos nevadensis Ira L. Wiggins 1955-7-27 13559 Siskiyou Caribou Lake Salmon-Trinity Alps Primitive Area 2042 Comment
  UC1483541  Arctostaphylos nevadensis Maralyn A. Renner 1980-9-9 2765 Siskiyou ridge to sw Medicine Mtn.; Klamath National Forest, Forks of Salmon Quad. 2057 Comment
  SEINET11991010  Arctostaphylos nevadensis S. Edwards, Roderick, W. 1983-1 104 Siskiyou along trail between Cook & Green Pass & Lily Pad Lake 1676 Comment
  CAS-BOT-BC46479  Arctostaphylos patula Doris K. Kildale 1928-8-19 6566 Siskiyou Hancock Lake, on trail to Marble Mt. 2133 Comment
  CAS-BOT-BC46497  Arctostaphylos patula Wayne Roderick; Jacob Sigg 1981-8-23 s.n. Siskiyou Cedar Lake. 1767 Comment
  HSC63077  Arctostaphylos patula David Wheeler 1979-4-7 22 Siskiyou Comment
  JEPS38836  Arctostaphylos patula Geo. D. Butler 1909-5-30 586 Siskiyou Yreka Hills Comment
  RSA105355  Arctostaphylos patula G. D. Barbe 1955-7-6 137 Siskiyou Along northeast shore of Taylor Lake, Salmon Mtns. 1951 Comment
  RSA47603  Arctostaphylos patula Roxana S. Ferris, Laura Lorriane, R. T. Ferris 1948-6-12 11825 Siskiyou One mile below summit of Gazelle Mountain, Gazelle-Callahan grade, west side. 1220 Comment
  UC1409418  Arctostaphylos patula Frederick W. Oettinger 1969-7-11 967 Siskiyou just above trail marker between English Lake and Diamond and Hancock Lakes (w Siskiyou Co.); Salmon Mountains, Marble Mountain Wilderness Area 1828 Comment
  UC1483547  Arctostaphylos patula Maralyn A. Renner 1980-9-9 2764 Siskiyou ridge to sw Medecine Mtn.; Klamath National Forest, Forks of Salmon Quad. 2057 Comment
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Feb 9 2009
  UC674758  Arctostaphylos patula C. Hart Merriam and V. B. 1899-10-6 Siskiyou Sisson Comment
  HSC73329  Arctostaphylos viscida Gail Newton 1980-6-20 489 Siskiyou Near Bald Mtn. 1097 Comment
  CAS-BOT-BC47019  Arctostaphylos viscida subsp. viscida Alice Eastwood 1917-9-2 6645 Siskiyou Shasta Springs. Comment
  CAS-BOT-BC47006  Arctostaphylos viscida subsp. viscida L. Toso Erna Mills 1922-4-20 s.n. Siskiyou Received at 8th California annual World Flower Show. Comment
  UCR200667  Arenaria nuttallii subsp. gregaria Daniel Sanchez-Mata, Thomas Santamaria 2006-7-26 s.n. Siskiyou Scott Mountains, Klamath National Forest; Weed, Rail Creek Road from Gazelle-Callahan Road, Kangaroo Lake, Kangaroo Lake Botanical Area 1900 Comment
  RSA237421  Arnica amplexicaulis Frederick W. Oettinger 1968-9-4 698 Siskiyou On the SE side of Abbott's lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2073 Comment
  HSC46238  Arnica cernua J. P. Smith 1973-5-5 6372 Siskiyou In and around the O'Neill Campground near Seiad Valley. 488 Comment
  RSA78690  Arnica cernua Philip A. Munz 1952-7-2 17879 Siskiyou Baldy Mt. Road, NW of Happy Camp, Siskiyou Mts. 1493 Comment
  CAS-BOT-BC82246  Arnica chamissonis L. E. Smith 1915-7-1 s.n. Siskiyou Bray Comment
  UC726140  Arnica chamissonis A. A. Heller 1940-7-23 15757 Siskiyou Grass Lake 1561 Comment
  UC585145  Arnica cordifolia E. B. Babcock, G. L. Stebbins Jr. 1936-6-13 1998 Siskiyou ca 1.5 mi w, (e and ne slope of spur of Rainbow Ridge above Sulloway Creek) Mt. Shasta City; Sulloway Creek, Rainbow Ridge 1180 Comment
  SBBG7587  Arnica discoidea H. and M. Dearing 1939-6-19 3684 Siskiyou high up French Crk Comment
  UC166589  Arnica discoidea Geo. D. Butler 1910-6-4 1492 Siskiyou Shackleford Creek Comment
  CAS-BOT-BC82663  Arnica latifolia John Thomas Howell 1939-8-2 14910 Siskiyou Spirit Lake, Marble Mts. 1828 Comment
  HSC22157  Arnica latifolia J. O. Sawyer 1969-7-11 1311 Siskiyou E facing slope above S Sugar Creek. 2012 Comment
  HSC61824  Arnica latifolia Ruby Van Deventer 1938-7-31 Siskiyou Poker Flat 1585 Comment
  HSC28398  Arnica mollis Frederick W. Oettinger 1968-8-24 625 Siskiyou Marble Mountain Wilderness Area, below Tom's Lower Pond 1860 Comment
  HSC65396  Arnica mollis Rich White 1978-7-3 203 Siskiyou 3/4 mile from Sawttoth Trail. Ridgetop near where Dillon Trail crosses Saddle 1768 Comment
  CAS-BOT-BC90059  Arnica nevadensis Harley P. Chandler 1901-6-1 1615 Siskiyou Ridges and meadows near Marble Mountain 2133 Comment
  RSA417151  Arnica nevadensis M. B. Dunkle 1944-6-26 9044 Siskiyou Deer Creek. 1829 Comment
  RSA184712  Arnica parryi subsp. sonnei Gilbert Muth 1966-7-31 476 Siskiyou North side of Black Mountain, Marble Mountains 2058 Comment
  JEPS50861  Arnica viscosa Al Hobart 1967-8-8 Siskiyou just s of, extreme w Siskiyou Co Youngs Valley; Siskiyou Mts., El Capitan 1828 Comment
  UC1475693  Arnica viscosa Muth and Overton 1979-8-12 13687 Siskiyou near Cliff Lake; Scott Bar Quad. 1951 Comment
  CAS-BOT-BC90086  Arnica viscosa W. B. Cooke 1947-8-20 17828 Siskiyou slopes near the water supply spring above Horse Camp, Mt. Shasta 2514 Comment
  CAS-BOT-BC146278  Arrhenatherum elatius var. elatius Gilbert Muth 1966-8-1 487 Siskiyou Marble Mountains. Marble Valley Horse Pasture. 1792 Comment
  JEPS82415  Artemisia arbuscula Gilbert Muth 1966-8-7 504 Siskiyou ridge, Lookout Trail; Marble Mountain Wilderness Area 2057 Comment
  RSA215638  Artemisia arbuscula subsp. arbuscula Gilbert Muth 1969-8-6 1210 Siskiyou Boulder Peak. 2530 Comment
  UC618867  Artemisia douglasiana W. Bridge Cooke 1938-8-19 11509 Siskiyou along overflow stream from Mount Shasta City water reservoir; Mount Shasta region 1219 Comment
  UCD77360  Artemisia douglasiana Robert E. Preston 2003-7-29 2169 Siskiyou S slope of Rainbow Mountain 1977 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
  UC1190169  Artemisia douglasiana Ira L. Wiggins 1955-7-26 13511 Siskiyou just above mouth of Blind Horse Creek (on river banks); South Fork Salmon River 886 Comment
  CHSC71468  Artemisia ludoviciana subsp. incompta Vernon H. Oswald; Lowell Ahart 1998-7-21 9339 Siskiyou Northeast of Weed and east of Grass Lake on the south side of Tennant Rd. 0.2 mi southeast of Old State Hwy. to Bray and on the east side of the intermittent stream draining Dry Lake. 1402 Comment
  RSA183731  Artemisia ludoviciana subsp. incompta Gilbert Muth 1965-8-17 232 Siskiyou On trail to backside of Blk. Mt. Comment
  RSA127616  Artemisia tridentata subsp. tridentata George H. Ward 1949-7-14 828 Siskiyou Stony, sandy soil, ca. 15 mi. NE of Weed Comment
  UC12124  Aruncus dioicus var. pubescens C. B. Bradley 1879-1 Siskiyou Comment
  UC1409364  Aruncus dioicus var. pubescens Frederick W. Oettinger 1969-8-9 1327 Siskiyou near Five Mile Point (near Herr Creek, vicinity of English Peak, w Siskiyou County); Salmon Mountains, Marble Mountain Wilderness Area 1097 Comment
  CAS-BOT-BC447718  Aruncus dioicus var. vulgaris C. A. Chamberlain 1913-7-5 363 Siskiyou Trinity Forest 1066 Comment
  CAS-BOT-BC400591  Asarum caudatum A. A. Heller 1919-6-27 13276 Siskiyou Metcalf's ranch, northeast base of Mt. Eddy 1158 Comment
  CAS-BOT-BC400596  Asarum caudatum W. R. Dudley 1901-8-22 s.n. Siskiyou E. slope of Foxtail Ridge, Salmon Mountains Comment
  CAS-BOT-BC400690  Asarum hartwegii L. E. Smith 1913-6-2 327 Siskiyou Castle Crags Comment
  JEPS49846  Asclepias cordifolia Geo. D. Butler 1901-5-31 763 Siskiyou Humbug Comment
  RSA569002  Asclepias cordifolia E. E. Stanford 1930-6-15 1594 Siskiyou Near Shasta City Comment
  SEINET10580360  Asclepias cordifolia Edward L. Greene 1876-6-19 Greene 862 Siskiyou Near Yreka Comment
  SEINET6833745  Asclepias cordifolia G. D. Butler 1910-5-23 1396 Siskiyou Humbug Mountain 1219 Comment
  CHSC71848  Asclepias fascicularis Vernon H. Oswald; Lowell Ahart 1998-9-8 9601 Siskiyou Julia Glover Flat on USFS 3 ca. 6 air mi west of Mosquito Lake and Whitehorse Flat Reservoir. 1112 Comment
  CDA39831  Asclepias speciosa Gordon Leppig, T. LaBanca 1998-7-11 925 Siskiyou French Creek Road. Comment
  HSC76918  Aspidotis densa K. T. Stillman 1976-6-26 130 Siskiyou Marble Mtn. Wilderness Area, top of ridge W of Kings Castle. 2073 Comment
  UC1242062  Aspidotis densa Don Branscomb 1958-7-17 Siskiyou w Dunsmuir; Scott Mts Comment
  HSC36658  Aspidotis densa Brent Whiteley 1975-6-21 20 Siskiyou 223 Comment
  RSA686379  Aspidotis densa M. B. Dunkle 1945-1 9305 Siskiyou Klamath National Forest, Marble Mountains 2439 Comment
  RSA417705  Aster occidentalis L. C. Wheeler 1934-8-14 3130 Siskiyou North side White Mt., Siskiyou Mts., Mt. Diablo Mer. 1768 Comment
  POM16255  Astragalus accidens var. hendersonii E. B. Copeland 1903-7-6 3512 Siskiyou Hornbrook. Comment
Read comments
Jan 23 2011
  CAS-BOT-BC178812  Astragalus californicus R. C. Barneby; H. D. Ripley 1948-7-5 9633 Siskiyou 2 miles SW of Yreka 853 Comment
  JEPS116602  Astragalus curvicarpus var. curvicarpus J. K. Nelson with Rhonda Posey, Mary Ellen Colberg, Twyla Miller 2006-5-19 2006 -15 Siskiyou North side of Mt. Shasta south of Hwy 97; Hotlum Fire area burned in Feb 2006 1090 Comment
  UC82564  Astragalus filipes Katharine Brandegee June 1887 Siskiyou Shasta Plains Comment
  UC1539997  Astragalus gibbsii M. Mitchell 1936-5-14 28 Siskiyou Lava Beds National Monument Hospital Rock; , Hospital Rock 1249 Comment
  CAS-BOT-BC210243  Astragalus purshii var. tinctus Dana York 2011-8-12 3050 Siskiyou Marble Mountain Wilderness. Klamath National Forest, Marble Mountain ridge 2055 Comment
  CAS-BOT-BC198706  Astragalus whitneyi var. siskiyouensis A. A. Heller 1916-7-22 12487 Siskiyou East side of Mt. Eddy Comment
  CAS-BOT-BC198701  Astragalus whitneyi var. siskiyouensis W. R. Dudley 1901-8-26 s.n. Siskiyou By trail south Fork Scott Creek - Salmon Mts. Comment
  CAS-BOT-BC198713  Astragalus whitneyi var. siskiyouensis Douglas Barbe 1955-7-26 272 Siskiyou Northwest slope of Scott Mtn. - Klamath Mountains 1828 Comment
  HSC62626  Asyneuma prenanthoides Ruby Van Deventer Aug 1957 Siskiyou Youngs Valley. Comment
  SJSU2585  Asyneuma prenanthoides H. L. Buckalew 1962-7-4 Siskiyou Red Bank Camp, N Fork Salmon R, Salmon Mts Comment
  RSA692501  Athyrium americanum M. B. Dunkle 1945-7-19 9230 Siskiyou Cliff above Sky High Lake Comment
  CAS-BOT-BC66020  Athyrium filix-femina var. cyclosorum Copeland 1903-9-5 3848 Siskiyou Mt. Eddy Comment
  UC1333324  Athyrium filix-femina var. cyclosorum Dorothy Parker 1949-6-30 Siskiyou stream that empties into Etna Creek; Salmon Mts 1176 Comment
  UC433180  Athyrium filix-femina var. cyclosorum J. G. Lemmon Siskiyou Mt Shasta Comment
  CAS-BOT-BC17618  Athysanus pusillus Lincoln Constance; Reed Clark Rollins 1942-5-13 2916 Siskiyou Klamath-Siskiyou Region. Scott River 10 miles southwest of Scott Bar. 609 Comment
  JEPS93962  Atriplex heterosperma Vernon H. Oswald and Lowell Ahart 1998-9-16 9649 Siskiyou 3 mi s of Highway 161 (Tour Route at Lower Klamath National Wildlife Refuge); Lower Klamath National Wildlife Refuge 1243 Comment
  SEINET7042825  Balsamorhiza hookeri var. lanata A. G. Vestal 1955-5-16 s.n. Siskiyou Bouldery roadside ca. 5.2 miles northwest of Weed. Weed quadrangle UTM Zone 10, 544718mE, 4590385mN. Comment
  CAS-BOT-BC100055  Balsamorhiza lanata Elmer I. Applegate 1928-9-26 5393 Siskiyou Yreka Comment
  CDA16165  Balsamorhiza lanata G. F. Hrusa 1998-5-25 14472 Siskiyou Klamath Ranges; at +- Pioneer (1-2 mi N on Frontage Rd. of I-5), +-10 mi S of Weed, near Mt. Shasta city. 0 Comment
  CAS-BOT-BC16686  Barbarea orthoceras John Thomas Howell 1937-7-22 13263 Siskiyou South Fork of Salmon River near Big Flat. 1524 Comment
  HSC31619  Berberis aquifolium var. repens Glenn McGourty 1974-5-25 54 Siskiyou 1402 Comment
  HSC69522  Berberis aquifolium var. repens Maralyn A. Renner 1980-6-26 1286 Siskiyou Klamath National Forest, ridge along FS Rd. 15N01, 1 mi. N of Flint Valley. 1494 Comment
  CAS-BOT-BC75726  Berberis nervosa Geo. B. Grant 1902-9-14 s.n. Siskiyou Dunsmuir. 609 Comment
  HSC69417  Berberis nervosa John Palmer 1980-8-12 731 Siskiyou Road to Bearground Spring from Beaver Creek Rd. 1341 Comment
  CAS-BOT-BC75998  Berberis pumila Carl B. Wolf 1927-8-27 1110 Siskiyou On the Klamath River, Happy Camp. Comment
  CAS-BOT-BC76007  Berberis pumila Doris K. Kildale 1927-11-20 4183 Siskiyou Fort Jones. Comment
  UCD127249  Berula erecta T. F. O' Sullivan 1935-9-10 s.n. Siskiyou Dorris. Comment
  CAS-BOT-BC169478  Betula occidentalis Wm. Bridge Cooke 1940-7-12 15328 Siskiyou A small grove grows in a swamp near the Mount Shasta High School, Mount Shasta 1097 Comment
  UC1045287  Betula occidentalis W. Bridge Cooke 1940-7-12 15328 Siskiyou swamp near Mt. Shasta High School Comment
  UC1051397  Betula occidentalis Herbert L. Mason 1953-7-30 14580 Siskiyou just n Weed; Shasta River Comment
  SD76151  Bidens vulgata Helen V. Witham 1969-10-7 570 Siskiyou Edge of Scott River, 10 miles west of Fot. Jones. 700 Comment
  CAS-BOT-BC127950  Blepharipappus scaber J. J. Walters 1936-5-30 s.n. Siskiyou Bogus Creek, one mile above its confluence with the Klamath River Comment
  UC1211907  Blepharipappus scaber Roy L. Taylor 1960-6-12 4444 Siskiyou 1 mi w of jtn. of Hwy. 96 (Klamath River rd) and Hwy. 99 n of Yreka, above Klamath River Hwy. 96 Comment
  OBI55524  Blepharipappus scaber David J. Keil, Kathleen Keil 1992-7-21 23513 Siskiyou Klamath Natl forest SE of Callahan on hwy 3, 5.3 mi NW of Scott Mtn summit Comment
  POM215870  Blepharipappus scaber L. C. Wheeler 1935-6-9 3553 Siskiyou Yreka Creek, Siskiyou Mountains. 1220 Comment
  CAS-BOT-BC16871  Boechera R. C. Wenk 2005-7-15 217 Siskiyou Trinity Alps, above S Fork of Salmon R., along the Yellow Rose Mine Trail, top of pass going N towards Preacher's Peak 2133 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
  CAS-BOT-BC15804  Boechera acutina Thomas W. Nelson; Jane P. Nelson 1980-7-19 6196 Siskiyou Along Forest Service road 29N01 A at Fox Creek ca. 1 mile from junction with Forest Service road 29N01. 1676 Comment
  CAS-BOT-BC16017  Boechera breweri subsp. breweri John Thomas Howell 1939-8-8 15181 Siskiyou Marble Mountain. Black mountain. Comment
  CHSC102556  Boechera howellii L. P. Janeway 2009-8-3 9885 Siskiyou High Cascade Range. Mt. Shasta, east-northeast slope 1.2 air km southwest of Brewer Creek Trailhead; about 0.3 km south of Brewer Creek. 2560 Comment
  CAS-BOT-BC14094  Boechera pauciflora Elmer I. Applegate 1935-6-2 9274 Siskiyou Lava Beds National Monument. Indian Well Ranger Station. Comment
  CAS-BOT-BC14271  Boechera pinetorum C. L. Hitchcock; J. S. Martin 1939-7-9 5308 Siskiyou North side of Black Mountain near Marble Mountain (King's Castle). 2072 Comment
  JEPS93825  Boechera pinetorum Vernon H. Oswald and Lowell Ahart 1998-6-11 9179 Siskiyou 2.2 mi ne of Lake Shastina-Big Springs Road ne of Weed (Shasta National Forest plantation on the w side of Highway 97); Shasta National Forest, Highway 97 1066 Comment
  CAS-BOT-BC14410  Boechera platysperma Lester Rowntree 1937-7-24 s.n. Siskiyou Caribou Lakes. Comment
  JEPS104001  Boechera retrofracta Geo. D. Butler 1908-8-3 128 Siskiyou near Log Lake 1524 Comment
  CAS-BOT-BC25618  Boechera retrofracta Roxana S. Ferris; Laura Lorraine 1948-6-12 11858 Siskiyou 1.5 miles below summit of Gazelle Moutain grade, east side. 1417 Comment
  CAS-BOT-BC438786  Boechera rollei Dana York 2012-7-21 3129 Siskiyou Klamath/Siskiyou Mts. Rogue River - Siskiyou National Forest, Siskiyou Mountains, ridge above Echo Lake. 1790 Comment
  SEINET3166094  Boechera rollei P. J. Alexander 2008-7-24 871 -A, B Siskiyou Below the Pacific Crest Trail on the W side of Lilypad Lake, +-0.55 miles S of Red Butte, +-5.5 miles N of Seiad Valley, Siskiyou Mountains, Rogue River National Forest. 1768 Comment
  UC1483551  Boechera subpinnatifida Maralyn A. Renner 1980-6-9 854 Siskiyou ridge se F.S. Road 45N35; Klamath National Forest, Yreka Quad. 1341 Comment
  CAS-BOT-BC25915  Boechera suffrutescens John Thomas Howell 1937-7-24 13379 Siskiyou Salmon Trinity Alps. Caribou Basin. 2286 Comment
  CAS-BOT-BC25930  Boechera suffrutescens John Thomas Howell 1937-7-21 13204 Siskiyou South Fork of Salmon River near Big Flat. 1524 Comment
  JEPS109872  Botrychium simplex var. simplex Dean W. Taylor 2005-7-13 19398 Siskiyou Deter Spring, at northern base Buck Mountain (ca 11 air miles N of Bartle on Highway 89) 1554 Comment
  HSC103381  Botrychium virginianum Martin J. Lenz 2006-7-13 3082 Siskiyou ~ 2 aerial mi. NW of north Dunsmuir. 1040 Comment
  CHSC30650  Boykinia major M. S. Taylor 1980-7-8 3105 Siskiyou On nw side of Castle Lake. 1615 Comment
  SBBG25884  Boykinia major D. Myrick 1966-8-10 1518 Siskiyou Salmon Crk at Mtn Meadow Ranch, Big Flat 1676 Comment
  CAS-BOT-BC418459  Boykinia major Edna Kelsey 1961-8-1 s.n. Siskiyou Marble Mts. Comment
  UC2026462  Boykinia major Louis C. Wheeler 1958-8-21 7419 Siskiyou Siskiyou Mountains. Head of Hell's Canyon. Comment
  SD61021  Boykinia occidentalis Darley F. Howe 1964-8-7 Siskiyou 8.2 mi. from #96 on Mill Creek Road. Hoopa Valley 1067 Comment
  CAS-BOT-BC127859  Brickellia grandiflora Wm. Bridge Cooke 1941-8-22 16209 Siskiyou among lava boulders in the Lava Park above Bolam Station on the north side of Mt. Shasta 1524 Comment
  CAS-BOT-BC383117  Brickellia greenei Andrew Townesmith; Karen M. Meyer 2007-7-28 862 Siskiyou Shasta-Trinity National Forest. Along Forest Service route 26, 4.1 miles west of forest boundary 1277 Comment
  CAS-BOT-BC27803  Brickellia greenei Edward Lee Greene 1876-8-24 s.n. Siskiyou Scott Mountains Comment
  SEINET10570598  Brodiaea capitata George D. Butler 1910-4-17 Butler 1192 Siskiyou Dry hills near Yreka Comment
  SEINET10533785  Brodiaea crocea George D. Butler 1910-5-5 Butler 1287 Siskiyou Humbug Mountain Comment
  CHSC88407  Bromus carinatus var. carinatus Jenny Marr 1993-7-1 166 Siskiyou Butte Valley Wildlife Area, +/- 7 air miles NW of the town of MacDoel. Meadow NW of Meiss Lake. 1349 Comment
  UC1265359  Bromus carinatus var. carinatus F. W. Oettinger 1969-8-13 1351 Siskiyou Salmon Mountains, English Peak, western Siskiyou County English Peak; Salmon Mountains, English Peak 2133 Comment
  UCD58497  Bromus carinatus var. marginatus A. H. Murphy 1955-5-29 55 V Siskiyou Klamath National Forest. Marble Mountains. Clear Lake. 1798 Comment
  SEINET250617 Image available Bromus inermis subsp. inermis Cindy Roche, Robert Korfhage 2005-7-12 Siskiyou Road 1055 milepost 3.3 Cook & Green Road. 1040 Comment
  UCSB63786  Bromus japonicus Oswald, Vernon; Ahart, Lowell 1998-7-21 Siskiyou Hwy 97 between Weed and Macdoel at W end of Grass Lake (T44N R3W NE1/4 Sect 28) 1524 Comment
  UC70747  Bromus laevipes T. H. Gilbert Jun 15 1899-Jul 15 1899 Siskiyou Scott River Valley Comment
  POM204679  Bromus marginatus Copeland 1903-09 3790 Siskiyou Mt. Eddy, California 1585 Comment
  RSA14320  Bromus marginatus Elmer I. Applegate 1923-8-20 3908 Siskiyou Medicine Lake 1982 Comment
  CAS-BOT-BC162138  Bromus orcuttianus A. A. Heller 1915-7-18 12124 Siskiyou Metcalf's ranch, base of Mount Eddy. Comment
  UC144490  Bromus orcuttianus A. A. Heller 1905-6-13 8026 Siskiyou near Shasta Springs Comment
  UC204802  Bromus racemosus Geo. D. Butler 1910-5-20 1370 Siskiyou near Yreka Comment
  UC637096  Bromus vulgaris Annetta Carter 1934-8-13 708 Siskiyou watershed of West Branch Indian Creek (Happy Camp to Waldo (Oregon) Road, Klamath National Forest); Klamath National Forest 1463 Comment
  HSC92322  Calamagrostis breweri Jennifer Whipple 1976-9-3 1779 Siskiyou W facing slope of ridge between Durney Lake and Little Crater Lake 2409 Comment
  HSC245  Calamagrostis koelerioides William J. Ferlatte 1966-8-4 315 Siskiyou Yellow Rose Mine 1982 Comment
  HSC91977  Calamagrostis koelerioides Jennifer Whipple 1976-8-20 1717 Siskiyou S face of Mount Eddy draining into the N Fork of the Sacramento River 2470 Comment
  POM353039  Calamagrostis koelerioides M. B. Dunkle 1945-7-22 9239 Siskiyou Marble Mts., Klamath National Forest. Comment
  UC1265349  Calamagrostis koelerioides F. W. Oettinger 1968-9-7 772 Siskiyou nw slope of ridge above Tobacco Lake; Salmon Mountains 2011 Comment
  CAS-BOT-BC85727  Calocedrus decurrens Doris K. Kildale 1929-8-24 9057 Siskiyou Rattlesnake Meadow, Preston Peak 1524 Comment
  HSC68393  Calocedrus decurrens Maralyn A. Renner 1980-6-26 1247 Siskiyou SE edge of Flint Valley. 1390 Comment
  RSA352871  Calocedrus decurrens B. C. Templeton 1969-9-5 11425 Siskiyou About 2 miles northwest of the town of Mt. Shasta 1090 Comment
  SEINET212050 Image available Calocedrus decurrens D. K. Bailey 1972-9-12 72 -36 Siskiyou Along road from O'Brien, Oregon to Happy Camp, California; about 7 mi NW of Happy Camp. 457 Comment
  HSC26554  Calochortus coeruleus D. H. Norris, Thomas W. Nelson, S. Dowty 1971-6-23 19526 Siskiyou Snowman's Hill Summit 3 mi. W of McCloud on Hwy. 89 Comment
  RSA47796  Calochortus coeruleus Roxana S. Ferris, Laura Lorraine 1948-6-12 11738 Siskiyou French Creek logging road west of Callahan. 1067 Comment
  SEINET4169788  Calochortus elegans C. L. Hitchcock, J. S. Martin 1939-7-9 5335 Siskiyou Paradise Lake , near King's Lake 1768 Comment
  CAS-BOT-BC488612  Calochortus elegans var. nanus Harley P. Chandler 1901-6-1 1641 Siskiyou Marble Mountain; North Coast Ranges 2438 Comment
  CDA39290  Calochortus elegans var. nanus T. R. Haig & F. D. Horn 1978-5-31 s.n. Siskiyou Site of Deadwood Lookout, Fort Jones. 0 Comment
  SEINET10971608 Image available Calochortus greenei Edward L. Greene 1876-7-6 Greene 914 Siskiyou on Table Rock, Little Shasta River. Comment
  SEINET12047246  Calochortus longebarbatus E. F. Heinitz 1980-1 27 Siskiyou at Tom Young Flat ca 2 mi NW of Pondosa 1292 Comment
  UCD139525  Calochortus longebarbatus var. longebarbatus J. D. Jokerst 1983-7-21 1864 Siskiyou Center of the east edge of the large meadow at Wiley Ranch. Comment
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Oct 9 2014
  UC60900  Calochortus macrocarpus Mrs. E. A. Wilson 1902-7-2 Siskiyou Sheep Rock Mount Shasta Comment
  CAS-BOT-BC493091  Calochortus nudus W. R. Dudley 1905-8-4 s.n. Siskiyou meadow foot of Mt. Eddy Comment
  CAS-BOT-BC493096  Calochortus nudus A. A. Heller 1915-7-15 12100 Siskiyou Mt. Eddy in open swampy places in the forest 1371 Comment
  HSC15410  Calochortus nudus Dorothy Parker 1949-7-4 Siskiyou Summit of Scott Mtn. 1677 Comment
  SEINET8197655  Calochortus nudus W. Roderick, D. Parker 1967-7-25 s.n. Siskiyou Scott Mountain, Cabin Meadow. 1829 Comment
  HSC49930  Calochortus persistens G. L. Clifton, Ground 1978-6-18 1270 Siskiyou Near Humbug close to the town of Yreka 1353 Comment
  CAS-BOT-BC181520  Caltha leptosepala John Thomas Howell 1939-8-10 15276 Siskiyou Sky High Valley, Marble Mts. 1828 Comment
  UCD95573  Caltha leptosepala John M. Tucker; D. V. Hemphill 1974-7-27 4308 Siskiyou Beside Haypress Creek, a short distance downstream from Haypress Meadows, Marble Mountain Wilderness Area. 1463 Comment
  UC562934  Calycadenia fremontii Elmer I. Applegate 1923-9-10 3983 Siskiyou mouth of Salmon River Klamath River, Salmon River Comment
  JEPS30009  Calycadenia truncata Geo. D. Butler 1908-8-2 343 Siskiyou roadside near, Greenview; Scott Valley Comment
  CAS-BOT-BC272754  Calycadenia truncata subsp. truncata Dr. E. B. Copeland 1903-7-4 3547 Siskiyou Klamathon Comment
  SEINET7096759  Calyptridium monandrum A. G. Vestal 1955-5-16 s.n. Siskiyou Open pine country just west of Weed between tail road and highway 99 (I 15). NAD27, 41? deg. 25' 49ao, -122?_ 24' 09ao (converted to WGS84 decimal degrees) UTM Zone 10, 549920mE, 4586493mN. Comment
  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
  UC922355  Calyptridium umbellatum Annie M. Alexander and Louise Kellogg 1949-7-21 5826 Siskiyou hill n of Paradise Lake (Marble Mountains); Marble Mountains 1920 Comment
  SBBG25944  Calystegia malacophylla subsp. malacophylla D. Myrick 1966-8-9 1542 Siskiyou Gates Ranch, Mountain Meadow Ranch, Big Flat; Trinity Alps 1524 Comment
  HSC27110  Calystegia occidentalis subsp. occidentalis Carl W. Mize 1972-6-8 26 Siskiyou Along main trail 335 Comment
  OBI55473  Camassia quamash David J. Keil, Kathleen Keil 1992-7-21 23533 Siskiyou Klamath Natl Forest SE of Callahan. Forest Rd 40N08, 1.7 mi W of Scott Mtn rd 9hwy 3) Comment
  CAS-BOT-BC160909  Camissonia tanacetifolia subsp. tanacetifolia A. A. Heller 1922-7-15 13714 Siskiyou Along the shore of Medicine Lake 2133 Comment
  SEINET10462933  Campanula prenanthoides Clifton 1978-7-6 CLIFTON 1927 Siskiyou NR OFFIELD MTN, FORKS OF SALMON QUAD. NR SOMES BAR 2700', GANITE SOIL Comment
  SEINET10840322  Campanula prenanthoides Muth 1976-7-29 MUTH s.n. Siskiyou Near Kuntz Creek, on the Seiad Valley Quadrangle; close to the town of Seiad Valley 1829 Comment
  UC890513  Campanula prenanthoides Alice Eastwood 1912-7-21 1275 Siskiyou Sisson Comment
  SEINET10463143  Campanula prenanthoides Life 1923-8-6 LIFE s.n. Siskiyou SHASTA SPRINGS Comment
  SEINET10463157  Campanula prenanthoides Deventer DEVENTER s.n. Siskiyou Preston Peak quadrangle; Youngs Valley. T17N R5E SECS. 9, 10 & 16. Comment
  SEINET10463161  Campanula prenanthoides Cyrus G. Pringle 1881-8-16 Pringle s.n. Siskiyou Comment
  SEINET10972403  Campanula prenanthoides Kildale 1928-7-22 KILDALE 5776 Siskiyou Klamath River near mouth Comment
  HSC91393  Campanula rotundifolia Jennifer Whipple 1976-7-24 1556 Siskiyou Mt. Eddy, SW of Dobkins Lake 2256 Comment
  SEINET10463386  Campanula scabrella Muth 1978-8-2 MUTH 6762 Siskiyou Near South China Mountain, on the China Mountain quadrangle, close to the town of Callahan 2348 Comment
  SEINET10972072  Campanula scabrella Muth 1978-8-1 MUTH 6957 Siskiyou Near Cory Peak, on the China Mountain quadrangle, close to the town of Callahan 2195 Comment
  CAS-BOT-BC266447  Campanula scabrella C. G. Pringle 1882-9-3 s.n. Siskiyou Mountains about the head waters of the Sacramento River 2438 Comment
  SEINET10463782  Campanula scouleri Setchell 1902-7-26 SETCHELL s.n. Siskiyou Mount Shasta; Sisson Comment
  UC29022  Campanula scouleri Edward L. Greene 1876-8-22 1010 Siskiyou Scott Mountain 1828 Comment
  HSC687  Campanula wilkinsiana William J. Ferlatte 1967-8-22 1099 Siskiyou Head of Kidd Creek. 2134 Comment
  UC642519  Campanula wilkinsiana W. Bridge Cooke 1939-8-24 13894 Siskiyou along creeks Mount Shasta, Squaw Valley Creek meadows Comment
  UC375294  Capsella bursa-pastoris Geo. D. Butler 1908-7-14 1047 Siskiyou around Yreka Comment
  UCD114132  Capsella bursa-pastoris A. A. Heller 1916-6-20 12417 Siskiyou Metcalf's Ranch, northeast base of Mt. Eddy. 1188 Comment
  JEPS25570  Cardamine bellidifolia var. pachyphylla Rimo Bacigalupi with George Bacigalupi Jr. 1959-7-1 7195 Siskiyou at head of ski lift above Mt. Shasta Ski Bowl Lodge (southwestern slopes Mt. Shasta); , above Mt. Shasta Ski Bowl Lo 2834 Comment
  JEPS53313  Cardamine breweri Milo S. Baker 1899-7-31 Siskiyou Ash Creek above Warren and Anderson's Mill (on McCloud River near Bartles, e slope Mount Shasta); e slope Mt. Shasta, Ash Creek, McCloud River Comment
  HSC60817  Cardamine californica Ruby Van Deventer 1960-7-7 Siskiyou Bell Echo Camp in Youngs Valley Comment
  JEPS53394  Cardamine californica var. integrifolia Geo. D. Butler 1909-4-11 649 Siskiyou Shasta Springs Comment
  POM95829  Cardamine californica var. integrifolia Geo. D. Butler 1909-4-11 649 Siskiyou Shasta Springs. Comment
  RSA297045  Cardamine cordifolia var. lyallii John F. Emmel 1974-7-21 521 Siskiyou Meaadows 0.2 air mile N of N end of lower Wright Lake, Marble Mtn Wildernes area. 2073 Comment
  UC1736492  Cardamine nuttallii Dean W. Taylor 1999-6-10 17252 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
  CDA6891  Carduus nutans C. S. Giebner 1966-7-1 Siskiyou Colly Road south of Grenada. 0 Comment
  RSA237245  Carex abrupta Frederick W. Oettinger, Robert F. Thorne 1969-8-6 1260 Siskiyou Lower pond, Tom s Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1951 Comment
  SEINET10585936  Carex abrupta David Castaner 1989-6-19 Castaner 10240 Siskiyou Along Hwy 3 Between Callahan and Gazelle along a rocky stream. Comment
  HSC76853  Carex amplifolia L. P. Janeway 1982-6-22 20 Siskiyou Next to creek 15 m below road from West Branch Guard Station towards Indian Creek 671 Comment
  UCD140120  Carex aquatilis S. S. Tillett 1956-7-9 639 Siskiyou Siskiyou-Trinity County line: northwest-facing slope of Scott Mountain. 1828 Comment
  HSC85832  Carex aquatilis var. dives L. P. Janeway 1983-7-24 453 Siskiyou Poker Flat: slope between upper & lower parts of meadow. 1524 Comment
  JEPS63749  Carex bolanderi Willis L. Jepson 1894-8-4 54 a Siskiyou Cedar Spring Mt. Shasta, Cedar Spring Comment
  CAS-BOT-BC34158  Carex breweri J. W. Stacey 1938-7-28 11367 Siskiyou Mount Shasta. North Ridges. 2743 Comment
  SEINET10856290  Carex breweri Thorne 1969-8-10 THORNE 38982 Siskiyou Mount Shasta National Forest: south slope of Mount Shasta; at base of boulders on dry, sunny volcanic slopes above ski-logde. 2377 Comment
  HSC7059  Carex douglasii Robert C. Wunner 1965-8-21 462 Siskiyou Lava Beds National Monument, 1/4 mi. S of Caldwell Cinder Pit, near base of Caldwell Butte Comment
  UC642555  Carex echinata subsp. echinata J. W. Stacey 1939-7-7 13615 Siskiyou in the Wagon Camp Sedge Swamp Mount Shasta, Wagon Camp Comment
  UC195513  Carex feta Geo. D. Butler 1910-7-15 1785 Siskiyou Oro Fino Comment
  CHSC82840  Carex fracta L. P. Janeway 2002-7-12 7629 Siskiyou High Cascade Range. Along Ash Creek 5.0 km south of summit of Ash Creek Butte, about 0.8 km northwest of The Ford. 1561 Comment
  JEPS87798  Carex gigas Vernon H. Oswald and Lowell Ahart 1994-8-1 6422 Siskiyou on the upstream side of Forest Rd. 26 ca. 0.5 mi (air) ne Gumboot Lake (w of Mt. Shasta (city)); Gumboot Creek 1783 Comment
  JEPS121602  Carex hassei 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-BC28086  Carex hoodii Rimo Bacigalupi 1959-7-2 7233 Siskiyou Big Flat Campground, headwaters of South Fork of the Salmon River, 1508 Comment
  POM254203  Carex integra J. T. Howell 1939-8-3 15002 Siskiyou Spirit Lake, Marble Mountains. 1829 Comment
  RSA550445  Carex laeviculmis R. Tallent 1987-8-12 899 Siskiyou Klamath National Forest; Long Gulch Lake. 1940 Comment
  HSC76815  Carex laeviculmis L. P. Janeway 1982-8-15 144 Siskiyou Below Echo Lake 1646 Comment
  CAS-BOT-BC28432  Carex lenticularis var. lipocarpa John Thomas Howell 1937-7-22 13255 Siskiyou South Fork of Salmon River near Big Flat. 1524 Comment
  CHSC62595  Carex lenticularis var. lipocarpa L. P. Janeway 1993-8-31 4573 Siskiyou Northeast side of Cliff Lake; headwaters of South Fork Sacramento River. 1758 Comment
  CAS-BOT-BC31436  Carex leporinella Louis C. Wheeler 1934-8-9 3087 Siskiyou Jaynes Canyon. 1981 Comment
  HSC82375  Carex luzulina Thomas W. Nelson, Jane Nelson, J. P. Smith 1978-7-24 4528 Siskiyou Siskiyou-Trinity County line, head of Scott Mtn. Creek, S of Forest Service campground 1646 Comment
  UCD140533  Carex luzulina Robert E. Preston 2001-6-30 1655 Siskiyou Klamath National Forest, Hemlock Lake. 1889 Comment
  UC642548  Carex luzulina var. luzulina W. Bridge Cooke 1939-6-23 13548 Siskiyou Wagon Camp 1737 Comment
  UC1147831  Carex mariposana John Thomas Howell 1937-7-25 13488 Siskiyou Caribou Basin, Salmon- Trinity Alps 1981 Comment
  JEPS95952  Carex mendocinensis Vernon H. Oswald and L. Ahart 1999-7-5 9818 Siskiyou Hwy. 3 4.0 mi southeast of Gazelle-Callahan Hwy.: T40N R8W Sect. 24, 4480 ft, mixed coniferous forest, serpentine substrate 1365 Comment
  HSC39081  Carex mendocinensis D. H. Norris 1970-5-23 12235 Siskiyou Along Klamath River at Ishi Pishi Bridge near Somes Bar Comment
  HSC58920  Carex mertensii Marvin Butler 1971-8-31 318 Siskiyou Near Bell Echo Camp, close to the town of Cave Junction 1464 Comment
  CAS-BOT-BC31780  Carex mertensii Rimo Bacigalupi; Mr. VanDeventer; Mrs. VanDeventer 1959-7-10 7301 Siskiyou Along streamside in Twin Valley, Siskiyou Mts., just E of Del Norte Co. Line 1493 Comment
  HSC97434  Carex multicaulis Jennifer Whipple 1976-6-30 1184 Siskiyou S face of Mount Eddy draining into the N Fork of the Sacramento River 2378 Comment
  SD130933  Carex multicaulis John Thomas Howell 1937-7-26 13556 Siskiyou Caribou Gulch. Comment
  HSC37147  Carex multicaulis J. O. Sawyer 1969-6-11 822 Siskiyou Near C.C.C. road, in Horse Range Creek drainage 1360 Comment
  RSA364653  Carex multicaulis Christopher Davidson 1975-6-5 2651 Siskiyou 9.1 miles W of Gazelle on road to Callahan. Klamath National Forest. 1120 Comment
  SEINET7568467 Image available Carex multicaulis David Castaner 1989-6-19 10243 Siskiyou Trinity Creek campground, along Highway 3 by Trinity River, North Trinity Center. Comment
  CAS-BOT-BC23422  Carex multicostata John Thomas Howell 1937-7-21 13199 Siskiyou South Fork of Salmon River near Big Flat 1524 Comment
  CAS-BOT-BC32276  Carex multicostata John Thomas Howell 1939-8-9 15219 Siskiyou Sky High Valley, Marble Mts. 1828 Comment
  UCR45814  Carex multicostata K. T. Stillman 1976-7-30 328 Siskiyou Marble Mountain Wilderness Area. Elk Valley. Comment
  HSC76673  Carex multicostata K. T. Stillman 1976-7-21 282 Siskiyou Marble Mtn. Wilderness Area 1982 Comment
  HSC86536  Carex nigricans D. K. Imper Jun 1987 Siskiyou 8 mi. E of town of Mt. Shasta, NW base of Red Butte 2226 Comment
  CHSC40157  Carex nudata L. P. Janeway 1983-6-25 337 Siskiyou Along west side Klamath Rover at Swillup Creek. 243 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
  CAS-BOT-BC119475  Carex nudata Doris K. Kildale 1929-7-20 8552 Siskiyou Trail up Smith Fork of Indian Creek near Happy Camp. 487 Comment
  HSC79275  Carex nudata L. P. Janeway 1983-7-30 459 Siskiyou Along NE shore of Klamath River, 1 mi. W of Seiad Creek 412 Comment
  CAS-BOT-BC119204  Carex pachystachya Doris K. Kildale 1929-7-20 8694 Siskiyou Raspberry Lake, South Fork of Indian Creek. 1828 Comment
  HSC76949  Carex pachystachya K. T. Stillman 1976-7-15 257 Siskiyou Marble Mtn. Wilderness Area 1951 Comment
  CAS-BOT-BC119246  Carex pachystachya William Bridge Cooke 1939-7-21 13732 Siskiyou In the Wagon Camp Sedge Swamp. 1737 Comment
  CHSC86629  Carex praegracilis Jenny Marr 1993-7-1 12 Siskiyou Butte Valley Wildlife Area, +/- 7 air miles NW of the town of MacDoel. Meadow NW of Meiss Lake. 1349 Comment
  CAS-BOT-BC118779  Carex preslii John Thomas Howell 1939-8-8 15157 Siskiyou Black Mt. Marble Mts. Comment
  CHSC86630  Carex preslii Jenny Marr 1993-7-1 13 Siskiyou Butte Valley Wildlife Area, +/- 7 air miles NW of the town of MacDoel. Meadow NW of Meiss Lake. 1349 Comment
  CAS-BOT-BC118795  Carex preslii William Bridge Cooke 1939-7-13 13636 Siskiyou Bottom of Horse Camp Creek. 2438 Comment
  SEINET7572541 Image available Carex preslii Frederick W. Oettinger 1969-9-3 1620 Siskiyou High Lake Basins in the vicinity of English Peak Marble Mountain Wilderness area. On Shasta Ridge below English Peak. 1890 Comment
  HSC68514  Carex rostrata Maralyn A. Renner 1980-6-26 1175 Siskiyou Flint Valley. 1390 Comment
  CHSC40186  Carex scabriuscula L. P. Janeway 1983-8-27 623 Siskiyou Twin Valley lower meadow near trail, on w side of creek. 1493 Comment
  HSC76827  Carex scabriuscula L. P. Janeway 1982-8-14 137 Siskiyou Just E of Elk Wallow 1646 Comment
  CAS-BOT-BC28345  Carex scopulorum var. bracteosa John Thomas Howell 1939-8-7 15127 Siskiyou Sky High Valley, Marble Mts. 1828 Comment
  HSC85805  Carex scopulorum var. bracteosa L. P. Janeway 1983-8-28 638 Siskiyou Poker Flat 1529 Comment
  UC1265468  Carex scopulorum var. bracteosa Frederick W. Oettinger 1969-9-4 1649 Siskiyou Tobacco Lake, lower wet meadow Salmon Mountains, Marble Mountain Wilderness Area 1889 Comment
  CAS-BOT-BC117245  Carex spectabilis Paul Clifford Hutchison 1962-8-2 931 Siskiyou Mt. Shasta between Panther Meadow and top of ski lift. 2743 Comment
  HSC30671  Carex spectabilis Frederick W. Oettinger 1969-9-2 1602 Siskiyou Marble Mtn. Wilderness Area, Bear Meadow near Tom Taylor Cabin 2165 Comment
  CAS-BOT-BC117235  Carex spectabilis K. T. Stillman 1976-7-14 232 Siskiyou Scott Bar Quad. Marble Mountain Wilderness Area. 1950 Comment
  UC70640  Carex stipata var. stipata T. H. Gilbert Jun 15 1899-Jul 15 1899 Siskiyou Scott River Valley Comment
  CHSC82751  Carex straminiformis L. P. Janeway 2002-7-13 7639 Siskiyou High Cascade Range. 1.0 km west of the western edge of Medicine Lake; 0.2 km southeast of Road 43N48 on west side of the road to a cinder pit. 2079 Comment
  CHSC98757  Carex straminiformis L. P. Janeway; B. Castro 2007-7-29 9140 Siskiyou High Cascade Range. Medicine Lake Highlands; Pumice Stone Mountain, very steep north-facing slope near the top of the northwest-trending shoulder. 2054 Comment
  UCR245613  Carex straminiformis R. F. Thorne, Frederick W. Oettinger 1969-8-10 38977 Siskiyou Northwestern; Klamath Ranges region, Mt. Shasta National Forest: south slope of Mt. Shasta, above ski lodge 2317 Comment
  CAS-BOT-BC115166  Carex vesicaria A. A. Heller 1940-7-24 15763 Siskiyou Edge of Castle Lake. Comment
  RSA238347  Cassiope mertensiana subsp. ciliolata Frederick W. Oettinger 1969-7-28 1083 Siskiyou Inlet stream to Little Hancock Lake as it passes through a wet boreal meadow just s. of the lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2043 Comment
  RSA0036076  Cassiope mertensiana subsp. ciliolata Louis Cutter Wheeler 1934-8-17 3178 Siskiyou Siskiyou Mts., North Side White Mt. 1828 Comment
  UCR52366  Cassiope mertensiana var. mertensiana K. Berg, Stephanie Bennett 1986-8-25 646 Siskiyou Salmon-Trinity Alps Wilderness, headwaters of Little South Fork of Salmon River; above Little South Fork Lake 2287 Comment
  UCR93375  Castilleja Kathy Harper, Dane Karr 1994-6-16 s.n. Siskiyou Modoc National Forest; Forest Route 49 (Lava Beds/ Medicine Lake Rd.) within 1 mi. of southern boundary of Lava Beds National Monument 1555 Comment
  CAS-BOT-BC249373  Castilleja applegatei Gilbert Muth 1966-7-17 386 Siskiyou Near lookout, Marble Mts. 2042 Comment
  HSC97685  Castilleja applegatei subsp. pinetorum Thomas W. Nelson, Jane Nelson 2006-7-1 9453 Siskiyou Along USFS Rd. 4319, Military Pass Rd., The Whaleback 1392 Comment
  CAS-BOT-BC243752  Castilleja applegatei var. pinetorum Doris K. Kildale 1929-6-22 8036 Siskiyou WEst base of Black Butte near Mt. Shasta Comment
  HSC61197  Castilleja arachnoidea Al Hobart 1968-6-20 Siskiyou El Capitan. 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
  UC725615  Castilleja arachnoidea A. A. Heller 1940-7-25 15770 Siskiyou about Horse Camp; Mt. Shasta 2438 Comment
  HSC711  Castilleja arachnoidea William J. Ferlatte 1967-8-20 1040 Siskiyou Caribou Mtn. 2470 Comment
  RSA105430  Castilleja arachnoidea G. D. Barbe 1955-7-26 281 Siskiyou On the north slope of Scott Mtn. 1921 Comment
  RSA142620  Castilleja arachnoidea subsp. schizotricha Philip A. Munz 1960-8-22 24190 Siskiyou Panther Meadows, Mount Shasta 2530 Comment
  CDA18397  Castilleja lacera G. D. Barbe, J. T. Howell, T. C. Fuller 1980-5-21 2784 Siskiyou Klamath Ranges; Yreka, behind (west of ) Motel 6, southside of town, north of Greenhorn Creek Road. 2194 Comment
  JEPS124594 Image available Castilleja lacera M. R. Kempf 1965-7-14 316 Siskiyou Located within 5 ft. from road - collected 4 miles west of Siskiyou Co., Calif. Dead Horse Summit. Comment
  CAS-BOT-BC253611  Castilleja miniata H. A. Thomas; J. H. Thomas 1954-7-25 4520 Siskiyou Salmon - Trinity Mts. Vicinity of Rush Lake and Rush Creek Meadow. About 9 miles E of Cecilville 1981 Comment
  CAS-BOT-BC254105  Castilleja miniata Maxine Wilkes 1940-8-1 s.n. Siskiyou Deep Lake, Marble Mts. Comment
  POM15464  Castilleja miniata Copeland 1903-8-17 3809 Siskiyou Foot of Mt. Eddy. 1159 Comment
  UC1096790  Castilleja miniata Barbe 1957-7-13 374 Siskiyou Big Flat Public Camp; Klamath National Forest 1524 Comment
  CAS-BOT-BC253616  Castilleja miniata Edmonds 1890-7-6 s.n. Siskiyou unspecified Comment
  CAS-BOT-BC254020  Castilleja miniata Doris K. Kildale 1928-8-20 6637 Siskiyou Head of north fork of Salmon River at Finley's Apple Camp 1524 Comment
  CAS-BOT-BC254110  Castilleja miniata Wm. Bridge Cooke 1938-9-8 11659 Siskiyou Mt. Shasta. Heather Meadow. 2438 Comment
  HSC20550  Castilleja pilosa R. C. Wunner 1965-6-7 128 Siskiyou Lava Beds National Monument, near Dragon Head Cave 1364 Comment
  JEPS28174  Castilleja pilosa A. A. Heller 1938-7-12 15261 Siskiyou near Deer Mountain eastern base (on U.S. Hwy 97) 1371 Comment
  JEPS94269  Castilleja pilosa Vernon H. Oswald and Lowell Ahart 1998-6-11 9206 Siskiyou 9 air mi e of Grass Lake (22 air mi ne of Weed, Dry Lake on s side of Tennant Road); Dry Lake, Tennant Road 1402 Comment
  HSC76975  Castilleja pruinosa K. T. Stillman 1976-6-25 71 Siskiyou Marble Mtn. Wilderness Area 1829 Comment
  HSC91221  Castilleja pruinosa Jennifer Whipple 1976-7-2 1270 Siskiyou Ridge west of Dobkins Lake 2317 Comment
  UC163707  Castilleja pruinosa Geo. D. Butler 1908-6-29 425 Siskiyou Greenhorn Mountain Comment
  RSA189668  Castilleja pruinosa Noel Holmgren, James L. Reveal 1966-6-9 2679 Siskiyou US 97, Shasta Valley, 4 mi. north of Weed. 1159 Comment
  JEPS1755  Castilleja schizotricha Freed Hoffman 1951-7-12 4048 Siskiyou about 8 mi above Scott River (Hammond's Camp (stock-raising), on Kelsey Creek); Marble Mountains, Kelsey Creek 1828 Comment
  CAS-BOT-BC47941  Ceanothus O. V. Matthews 1939-7-8 26 Siskiyou From along Kangaroo Mtn. (?) Forest Service trail near Seiad Grove of Bakers Cypress 1371 Comment
  HSC92152  Ceanothus arcuatus Jennifer Whipple 1978-6-5 2350 Siskiyou Pass between Eddy Creek and Deadfall Creek drainages 2073 Comment
  CAS-BOT-BC48389  Ceanothus cuneatus Doris K. Kildale 1929-5-12 7804 Siskiyou Sawyers Bar north fork of Salmon River 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
  HSC25662  Ceanothus integerrimus J. O. Sawyer 1969-8-18 2020 Siskiyou SE facing midslope near CCC Rd. Comment
  HSC60307  Ceanothus integerrimus J. P. Smith, Steve Selva 1970-6-14 3891 Siskiyou 1 mi. E of Steinacher Creek Rd. on Rd. to Forks of Salmon Comment
  RSA136296  Ceanothus integerrimus var. californicus Geo. D. Butler 1920-5-21 1381 Siskiyou Sikiyou county: Klamath hills Comment
  CAS-BOT-BC53079  Ceanothus prostratus Robert F. Thorne; Frederick W. Oettinger 1969-8-10 38946 Siskiyou Mt. Shasta National Forest - SW slope of Mt. Shasta along Ski Bowl Road 1280 Comment
  CAS-BOT-BC53097  Ceanothus prostratus Wm. Bridge Cooke 1938-6-17 11015 Siskiyou Mount Shasta - Sisson Southern Trail 1371 Comment
  HSC99929  Ceanothus prostratus J. P. Smith, & J. O. Sawyer 2011-7-31 13347 Siskiyou Sugar Creek Trail W of Callahan 1463 Comment
  UC164316  Ceanothus prostratus Geo. D. Butler 1910-6-4 1501 Siskiyou Quartz Valley Comment
  UC54493  Ceanothus prostratus H. M. Hall and E. B. Babcock June, 1903 4032 Siskiyou around Dunsmuir; Sierra Nevada Mountains, around Dunsmuir 609 Comment
  UC61167  Ceanothus prostratus W. A. Setchell, C. C. Dobie 1902-7-13 Siskiyou Sisson , Sisson (Mount Shasta) Comment
  UCD112676  Ceanothus pumilus D. Sanchez-Mata 1997-9-18 s.n. Siskiyou Mount Shasta-Lake Siskiyou-Gumboot Lake. South Fork (Sacramento River) Road. 1340 Comment
  HSC59642  Ceanothus velutinus J. P. Smith, Steve Selva 1970-6-16 4047 Siskiyou 7 mi. W of Etna on road to Sawyers Bar. 1280 Comment
  RSA12597  Ceanothus velutinus Carl B. Wolf 1934-7-6 5989 Siskiyou 3 mi. from Mt. Shasta City on Wagon Camp Road. SW slope of Mt. Shasta. 1220 Comment
  RSA238025  Ceanothus velutinus Frederick W. Oettinger, Robert F. Thorne 1969-8-6 1228 Siskiyou Southeast of Pine Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1905 Comment
  UC1037434  Ceanothus velutinus Douglas Barbe 1955-8-1 320 Siskiyou se Craggy Lookout (on Mt. Bolivar); Scott Mountains, se of Craggy Lookout on Mt. Bolivar 2194 Comment
  UC61661  Ceanothus velutinus Geo. B. Grant September 1902 5178 Siskiyou Sisson Mount Shasta, Sisson 914 Comment
  CAS-BOT-BC63155  Ceanothus velutinus W. R. Dudley 1899-8-15 s.n. Siskiyou Toward Black Fox. Comment
  HSC36701  Ceanothus velutinus var. velutinus Brent Whitely 1975-7-3 129 Siskiyou 1220 Comment
  UCD14430  Centaurea cyanus R. M. Rhode 1984-5-26 s.n. Siskiyou downtown Weed, at the intersection of Highway 97 and Business 5; 1056 Comment
  UCD130113  Centaurea stoebe subsp. micranthos T. C. Fuller 1963-8-26 11155 a Siskiyou W. H. Kerr, Flying K Ranch, upper Quartz Valley, 2 miles south of Mugginsville. Comment
  HSC44701  Cephalanthera austiniae J. O. Sawyer, E. Cope 1977-6-19 2941 Siskiyou Clear Creek Trail between West Fork and Preston Creek 854 Comment
  UC1618226  Cerastium arvense Barbara Ertter 1990-7-14 9339 Siskiyou ca. 4 airmiles w. Mt. Shasta City (Wagon Creek on e. side of Mt. Eddy, where several forks join before steep drop); Mt. Eddy, Wagon Creek 1828 Comment
  CDA3353  Cerastium dichotomum T. C. Fuller 1962-5-18 8746 Siskiyou B.M. Long property, Little Shasta Road, 5 miles east of Montague. 0 Comment
  CDA3358  Cerastium dichotomum T. C. Fuller 1962-5-18 8475 Siskiyou B. M. Long property, Little Shasta Road, 5 miles east of Montague. 0 Comment
  CAS-BOT-BC384989  Cerastium dichotomum M. V. Maxwell 1961-5-10 s.n. Siskiyou 5 mi. e. of Montague 807 Comment
  HSC71655  Cercis occidentalis J. P. Smith, Steve Selva 1970-6-17 4092 Siskiyou 12 mi. E of Somes Bar on road between Forks of Salmon and Somes Bar 366 Comment
  UC375377  Cercocarpus betuloides var. macrourus Geo. D. Butler 1908-7-4 286 Siskiyou Shasta River, near the mouth Shasta River Comment
  UC618748  Cercocarpus ledifolius var. ledifolius W. Bridge Cooke 1938-8-23 11574 Siskiyou Upper end of Shastina Lava Park, on the n side of Mount Shasta Shastina Lava Park; Mount Shasta, Shastina Lava Park 2438 Comment
  HSC18582  Cercocarpus montanus R. C. Wunner 1965-7-9 390 Siskiyou Lava Beds National Monument Upper Ice Cave 1555 Comment
  CAS-BOT-BC276758  Chaenactis douglasii var. douglasii John Thomas Howell 1937-7-29 13651 Siskiyou Scott Mountain between Trinity and Siskiyou Counties Comment
  HSC82203  Chaenactis douglasii var. douglasii Thomas W. Nelson, Jane P. Nelson 1980-7-5 5968 Siskiyou Fowler's Campground 1006 Comment
  UC699708  Chaenactis douglasii var. douglasii W. Bridge Cooke 1939-8-10 13872 Siskiyou area between Squaw Valley Creek and Mud Creek Canyon; Mount Shasta 2590 Comment
Read comments
Jul 12 2010
  CAS-BOT-BC276774  Chaenactis douglasii var. douglasii Gilbert Muth 1965-8-12 s.n. Siskiyou Black Mountain, S slope Comment
  CAS-BOT-BC276783  Chaenactis douglasii var. douglasii Elmer I. Applegate 1935-6-10 9468 Siskiyou Ruby Hill, Lava Beds National Monument Comment
  POM351689  Chaenactis douglasii var. douglasii E. E. Stanford 1930-6-15 1592 Siskiyou Near Shasta City Comment
  SEINET7379869 Image available Chaenactis douglasii var. douglasii G. D. Butler 1910-6-17 1573 Siskiyou Humbug Mountain 1219 Comment
  UC90185  Chaenactis suffrutescens E. Palmer 1892-7-1 Siskiyou Mt. Shasta Comment
  HSC69224  Chamaecyparis lawsoniana Maralyn A. Renner 1980-8-31 2620 Siskiyou Twin Valley. 1494 Comment
  UCD133317  Chamaecyparis lawsoniana D. Sanchez-Mata 1997-9-19 s.n. Siskiyou Klamath National Forest. Happy Camp-O'Brian, Indian Creek Road. Jefferson State Scenic Byway. 1400 Comment
  UCD126576  Chamaesaracha nana Jack Major 1961-7-14 637 Siskiyou along road to Panther Creek, Mount Shasta. 1800 Comment
  UC229860  Chamaesyce serpyllifolia H. E. Brown Jul 15 1897-Jul 31 1897 541 Siskiyou s side Mount Shasta 1524 Comment
  CAS-BOT-BC68241  Cheilanthes gracillima G. J. Muth 1969-8-6 1193 Siskiyou Boulder Peak 2529 Comment
  HSC76974  Cheilanthes gracillima K. T. Stillman 1976-6-25 44 Siskiyou Marble Mtn. Wilderness Area 1829 Comment
  CAS-BOT-BC68217  Cheilanthes gracillima Volney Rattan 1884-6-19 s.n. Siskiyou Black Butte Comment
  HSC92770  Cheilanthes gracillima Jennifer Whipple 1976-7-24 1547 Siskiyou Ridgecrest between Dale Creek and Dobkins Lake drainage 2317 Comment
  UC399623  Cheilanthes gracillima H. M. Hall 1909-7-28 8647 Siskiyou head of Salmon River 1645 Comment
  CLARK-A1528-7839  Chenopodium vulvaria John C. Roos 1948-9-1 3985 Siskiyou Fort Jones Comment
  POM210956  Chenopodium vulvaria L. C. Wheeler 1934-10-6 3307 Siskiyou Edge of path, Yreka. 793 Comment
  RSA64788  Chenopodium vulvaria L. C. Wheeler 1934-10-6 11412 Siskiyou Edge of path, Yreka. 793 Comment
  CAS-BOT-BC451437  Chimaphila menziesii Louis C. Wheeler 1934-8-24 3221 Siskiyou Siskiyou Mts., Trapper Creek 1615 Comment
  RSA467012  Chimaphila menziesii L. C. Wheeler 1934-8-24 3221 Siskiyou Trapper Creek. 1616 Comment
  UC876107  Chimaphila umbellata John Thomas Howell 1937-7-26 13559 Siskiyou Caribou Gulch Comment
  UC412891  Chimaphila umbellata Annie M. Alexander and L. Kellogg 1911-7-16 243 Siskiyou S. Fork Salmon R. 1524 Comment
  RSA183672  Chimaphila umbellata subsp. occidentalis Gilbert Muth 1965-8-10 197 Siskiyou Marble Valley and along upper trail, Marble Mts. Comment
  CAS-BOT-BC498814  Chlorogalum pomeridianum Doris K. Kildale 1929-7-20 8651 Siskiyou trail up South Fork Indian Creek to Elk Lick. Comment
  CDA3723  Chorispora tenella D. R. Hill 1961-5-17 Siskiyou 1 mile northwest of Gazelle. 0 Comment
  CDA5619  Chorispora tenella L. Ahart, J. Dittes 2005-6-1 12120 Siskiyou East side of the corral, end of Salvadori Road, Nelson Ranch, about 1 1/4 miles (air) south of Highway 99/97 Cutoff, about 5 1/4 miles (air) east-southeast of Grenada. Comment
Read comments
Oct 5 2019
  OBI4696  Chorispora tenella F. Wallier 1961-5-16 s.n. Siskiyou 1 mi NW of Gazelle Comment
  UCR21087  Chrysanthemum leucanthemum T. W. Fisher, Earl R. Oatman, Robert Orth 1974-6-26 s.n. Siskiyou McIntosh Ranch on the McCloud River near Bartle 1220 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
  RSA604378  Chrysolepis chrysophylla Louis C. Wheeler 1959-7-25 7597 Siskiyou Marble Mountains: Camp Three, Rogers Creek. Comment
  CAS-BOT-BC36244  Chrysolepis sempervirens Doris K. Kildale 1928-8-19 6556 Siskiyou Hancock Lake, on trail to Marble Mt. 2133 Comment
  UC1034038  Chrysolepis sempervirens unknown 1941-8-21 16221 Siskiyou n side Diller Canyon (w side of Shastina); Mount Shasta Comment
  UC5453  Chrysolepis sempervirens Milo S. Baker 1893-6 Siskiyou Squaw Valley Mt. Mt. Shasta (s base of Mt Shasta) Comment
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Aug 25 2006
  RSA30402  Chrysothamnus nauseosus subsp. consimilis A. A. Heller 1917-9-7 12978 Siskiyou Shasta Valley 2 miles south of Grenada 915 Comment
  LA28602  Chrysothamnus viscidiflorus subsp. viscidiflorus Lewis S. Rose; 1941-8-28 41427 Siskiyou Dorris 1291 Comment
  JEPS25821  Cicuta douglasii Geo. D. Butler 1908-8-12 456 Siskiyou Oro Fino, L. Eastlick's Ranch Oro Fino; , L. Eastlick's Ranch Comment
  CDA38293  Cicuta douglasii T. C. Fuller 1984-7-3 20429 Siskiyou On east side of railroad, north limits of Mt. Shasta City. 0 Comment
  CAS-BOT-BC190006  Cinna latifolia John Thomas Howell 1939-8-10 15252 Siskiyou Marble Mountains. Sky High Valley. 1828 Comment
  CAS-BOT-BC190008  Cinna latifolia J. M. Tucker 1963-8-19 3775 Siskiyou Marble Mountain Wildnerness Area. Headwaters of Canyon Creek. 1950 Comment
  HSC182  Circaea alpina subsp. pacifica William J. Ferlatte 1966-8-3 284 Siskiyou Josephine Lake basin. 1677 Comment
  UC164412  Circaea alpina subsp. pacifica Geo. D. Butler 1910-6-4 1499 Siskiyou Shackleford Creek Comment
  UCR51764  Cirsium andersonii Thomas W. Nelson, J. Nelson, J. P. Smith 1978-7-24 4545 Siskiyou Along State Route 3, just north of Scott Mtn summit. 1585 Comment
  CDA32841  Cirsium arvense CDFA Staff 1985-6-27 Siskiyou Tule Lake. 0 Comment
  CDA1137  Cirsium ciliolatum T. C. Fuller, Don Shaw 1978-7-5 20246 -B Siskiyou Northwestern; Klamath Ranges region; North side of York Road, 0.3 km east of Bryant-Willow Creek Road, 15 km north of Montague; T46N R5W, sec. 20 0 Comment
  JEPS95639  Cirsium douglasii var. breweri Vernon H. Oswald and L. Ahart 1994-8-1 6414 Siskiyou T39N R5W Sec. 10, 4400 ft, Yellow Pine Forest. Forest Rd. 26 paralleling the South Fork of the Sacramento River, 1.5 mi E of Forest Rd. 40N43, 7.8 mi SW of the dam at Lake Siskiyou 1341 Comment
  UC135253  Cirsium douglasii var. breweri Dr. E. B. Copeland 1903-8-14 3934 Siskiyou Sisson Pacific Coast, Sisson 1066 Comment
  CAS-BOT-BC279883  Cirsium douglasii var. breweri John Thomas Howell 1952-6-14 28329 Siskiyou Mt. Shasta City Comment
  OBI54107  Cirsium douglasii var. breweri David J. Keil, Kathleen Keil 1992-7-24 23561 Siskiyou Klamath NF E fo Callahan. 2.1 mi N of Kangaroo Lake on Rail Crk rd Comment
  UCD130621  Cirsium inamoenum var. inamoenum T. C. Fuller 1979-10-3 20271 Siskiyou both sides of Goosenest Road, 14 km northeast of Tennant. Comment
  HSC72015  Cirsium occidentale var. candidissimum J. P. Smith, J. O. Sawyer, Kevin Sawyer, Jane Sawyer 1976-9-5 8977 Siskiyou 1/5 mi. W of State Rte. 3 on Road 8 671 Comment
  RSA0070694  Cirsium occidentale var. candidissimum B. C. Templeton 1957-6-22 s.n. Siskiyou North of Yreka. Comment
  OBI55422  Cirsium remotifolium var. odontolepis David J. Keil 1992-7-20 23495 Siskiyou Klamath NF, W of Fort Jones. Along Forest Rd 44N45, 4.4 mi S of Scott river rd Comment
  JEPS109258  Cirsium remotifolium var. rivulare D. W. Taylor 2002-7-27 18277 Siskiyou Salmon Mountains, logging road ca 1 mile N of Carter Meadow Summit, 8 miles SW of Callahan. Comment
  POM33210  Cirsium scariosum Geo. D. Butler 1910-6-6 1459 Siskiyou Quartz Valley Comment
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Nov 25 2011
  RSA607265  Cirsium scariosum L. C. Wheeler 1935-6-30 3636 Siskiyou Shasta Valley, 3 miles S of Grenada. 793 Comment
  CAS-BOT-BC228958  Cistanthe umbellata Doris K. Kildale 1928-7-2 5370 Siskiyou Salmon Summit via Horn Creek trail 1981 Comment
  CAS-BOT-BC228983  Cistanthe umbellata John Thomas Howell 1939-8-2 14866 Siskiyou Spirit Lake, Marble Mts. 1828 Comment
  CAS-BOT-BC160928  Clarkia amoena subsp. amoena Alice Eastwood; John Thomas Howell 1937-6-26 5069 Siskiyou Somes Bar Comment
  CAS-BOT-BC172568  Clarkia purpurea subsp. purpurea L. E. Smith 1913-6-20 384 Siskiyou Weed Comment
  UC903388  Clarkia purpurea subsp. quadrivulnera Rodney Gregg 1948-6-15 Siskiyou Yreka Comment
  CAS-BOT-BC163459  Clarkia purpurea subsp. quadrivulnera L. B. Kildale 1930-6-1 9699 Siskiyou Salmon River at Crapp Creek Comment
  HSC42940  Clarkia rhomboidea J. O. Sawyer, Ken Stillman 1976-7-1 2775 Siskiyou Streamside terraces and lower slopes along the Little N Fork of the Salmon River. 732 Comment
  JEPS43670  Clarkia rhomboidea W. L. Jepson July, 1894 14420 Siskiyou Sisson Comment
  RSA0059500  Claytonia cordifolia J. T. Howell 1939-8-3 15012 Siskiyou Spirit Lake, Marble Mountains. 1829 Comment
  HSC92962  Claytonia lanceolata Jennifer Whipple 1976-6-19 1068 Siskiyou N facing slopes in the Eddy Creek drainage 2195 Comment
  RSA299446  Claytonia parviflora J. P. Smith 1973-5-5 6523 Siskiyou Scott Bar along the Scott River. Comment
  RSA601897  Claytonia parviflora L. C. Wheeler 1935-5-5 3466 Siskiyou Greenhorn Creek. Siskiyou Mtns. (Mt Diablo Mer.) 854 Comment
  HSC64315  Claytonia perfoliata subsp. intermontana J. P. Smith 1973-5-5 6507 Siskiyou Along Cook and Green Pass Rd. Comment
  CAS-BOT-BC443827  Claytonia rubra subsp. rubra Geo. D. Butler 1910-5-5 1289 Siskiyou Humbug Mountain 1219 Comment
  HSC33990  Claytonia rubra subsp. rubra J. P. Smith 1974-5-25 7491 Siskiyou Along Rd. 8, 4.7 mi. W of its junction with Hwy. 3 1159 Comment
  RSA238293  Claytonia sibirica Frederick W. Oettinger 1967-7-26 185 Siskiyou Stream bank just below Tom Taylor Cabin Spring. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2049 Comment
  RSA8217  Clematis ligusticifolia Elmer I. Applegate 1923-9-6 3974 Siskiyou Klamath River mouth of Daggett Creek along wooded stream Comment
  SEINET6907100  Clematis ligusticifolia M. K. Solecki, J. B. Taft 1986-9-9 2142 Siskiyou Bank of Scotty River near Indian Scotty campground; elevation 2,200 feet. 670 Comment
  HSC19260  Clintonia uniflora J. O. Sawyer 1968-9-13 724 Siskiyou W of the Happy Camp/O'Brien Rd. between Louse Creek and Indian Creek, on the E slopes of Little Grayback 1463 Comment
  JEPS61605  Clintonia uniflora Geo. D. Butler 1908-8-4 98 Siskiyou Wooley Creek, Cold Spring Camp Wooley Creek; , Cold Spring Camp 1645 Comment
  CAS-BOT-BC499972  Clintonia uniflora A. A. Heller 1919-6-20 13251 Siskiyou Metcalf's ranch, northeast base of Mt. Eddy 1158 Comment
  CAS-BOT-BC500956  Clintonia uniflora L. E. Smith 1913-6-12 359 Siskiyou Road from Sisson to Castle Lake Comment
  RSA181619  Clintonia uniflora Dorothy Parker 1950-6-25 462 Siskiyou Duck Lake Creek, Salmon Mountain. 1524 Comment
  JEPS31008  Collinsia linearis D. E. Breedlove 1962-6-10 3305 Siskiyou 11.7 mi nw Happy Camp (along Indian Creek Rd); Siskiyou Mtns 594 Comment
  HSC29393  Collinsia linearis Brad Klipfel 1969-7-11 978 Siskiyou Due W of NW end of Hancock Lake 1951 Comment
  RSA237562  Collinsia linearis Frederick W. Oettinger 1968-9-5 705 Siskiyou Near spring half way up trail from English Lake to Diamond Lake. The Salmon Mountains. The High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1898 Comment
  RSA78685  Collinsia linearis Philip A. Munz 1952-7-2 17876 Siskiyou Road to Baldy Mt., northwest of Happy Camp, Siskiyou Mts. 1494 Comment
  SEINET13395184  Collinsia parviflora B. Byrne 1941-4-10 s.n. Siskiyou Sugar Creek. Comment
  HSC19051  Collinsia parviflora J. O. Sawyer 1969-7-1 964 Siskiyou NE facing lower slope above Paynes Lake Creek 1829 Comment
  JEPS24987  Collinsia parviflora Jean Langenheim 1957-5-19 4343 Siskiyou between Gazelle and Callahan (along roadcut) Comment
  CHSC96009  Collinsia rattanii L. P. Janeway 2006-7-3 8765 Siskiyou Klamath Ranges. Salmon Mountains; along Music Creek Trailhead Road about 1.5 km west of upper crossing of Music Creek. 1646 Comment
  HSC72483  Collinsia rattanii J. P. Smith 1973-5-5 6388 Siskiyou In and around the O'Neill Campground near Seiad Valley. 488 Comment
  SEINET13406273  Collinsia rattanii G. D. Butler 1910-5-1 1262 Siskiyou Humbug Mountain. 1219 Comment
  HSC4799  Collinsia torreyi var. latifolia William J. Ferlatte 1966-7-7 193 Siskiyou Caribou Basin 1982 Comment
  JEPS26522  Collinsia torreyi var. latifolia Lauramay T. Dempster 1961-7-2 1853 Siskiyou sw Etna (ridge w of Salmon Mtn. Summit) 1828 Comment
  RSA409250  Collomia diversifolia M. B. Dunkle 1944-7-15 9105 Siskiyou Siskiyou National Forest Comment
  POM259288  Collomia tinctoria J. T. Howell 1939-8-9 15239 Siskiyou Shackleford Creek Trail, Marble Mts. Comment
  CAS-BOT-BC230673  Collomia tracyi Ira L. Wiggins 1955-7-22 13457 Siskiyou S Fork of Salmon River, 9.5 miles above Cecilville 1066 Comment
  HSC45973  Collomia tracyi J. P. Smith, Steve Selva 1970-6-15 3978 Siskiyou 1 mi. W of junction of Hwy. 3 and Rd. 8 leading to Sugar Creek 1159 Comment
  UC971919  Collomia tracyi Herbert L. Mason 1950-7-15 14043 Siskiyou stream wash Scott Valley, Scott Creek Comment
  CHSC72222  Conium maculatum Vernon H. Oswald; Lowell Ahart 1998-9-16 9644 Siskiyou Vista point on Hwy. 161 adjacent to a marsh at the Lower Klamath NWR 8.7 mi east of Hwy. 97. 1243 Comment
  UC1072721  Conium maculatum Douglas Barbe 1955-7-5 113 Siskiyou 1/2 mi n of Etna (on the middle Valley Road, Klamath Mountains); Klamath Mountains, Valley Road 883 Comment
  CDA21755  Conyza canadensis T. C. Fuller 1962-8-3 9499 Siskiyou Siskiyou Mountains; 200 yards up Raggedass Gulch, east of Beaver Creek, 5 miles north of Klamath River. 0 Comment
  UC164421  Corallorhiza striata Geo. D. Butler 1910-5-5 1292 Siskiyou Humbug Mountain Comment
  CDA36728  Cordylanthus tenuis subsp. tenuis Barbara L. Wilson, Richard E. Brainerd 2010-8-4 16210 Siskiyou Old Stagecoach Road, about 0.5 mile north of Forest Service road 41N26, the Eddy Creek Road, on both sides of the road. Comment
  UCD123167  Cordylanthus tenuis subsp. tenuis Barbara L. Wilson; Richard E. Brainerd 2010-8-4 16202 b Siskiyou Forest Service road 41N26, the Eddy Creek Road, 0.6 mile above the junction with Old Stagecoach Road. 1039 Comment
  JEPS7046  Cordylanthus tenuis subsp. viscidus Rimo Bacigalupi with G. T. Robbins and C. L. Custer 1954-8-12 4792 Siskiyou 1/2 mi w Hamburg (along hwy following Klamath River) 457 Comment
  LA209041  Cordylanthus tenuis subsp. viscidus Rimo Bacigalupi; 1954-8-12 4790 Siskiyou In serpentine, 5.1 mi below (and SE of) summit of the road between Takilma, Ore. and Happy Camp Calif.- Klamath National Forest, Siskiyou Mountains; drainage of the West Branch of Indian Creek 914 Comment
  RSA237382  Cornus californica Frederick W. Oettinger 1969-7-18 1058 Siskiyou Upper English Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1768 Comment
  CAS-BOT-BC212275  Cornus glabrata Louis C. Wheeler 1934-7-16 2909 Siskiyou Oak Knoll Ranger Station, Klamath R. 670 Comment
  UC166603  Cornus glabrata Geo. D. Butler 1909-9-26 974 Siskiyou along creek near Yreka Comment
  CAS-BOT-BC212059  Cornus nuttallii Doris K. Kildale 1928-8-18 6417 Siskiyou North Fork Salmon river at Finley Camp Comment
  CAS-BOT-BC212072  Cornus nuttallii Doris K. Kildale 1929-5-31 9159 Siskiyou Cecilville, South Fork Salmon River Comment
  HSC27681  Cornus nuttallii Carl W. Mize 1972-6-10 46 Siskiyou 0.75 mi. from bridge on Steinacher Creek Rd. 366 Comment
  RSA397466  Cornus nuttallii B. C. Templeton 1960-6-21 8540 Siskiyou Scott Mts., ca 1 mile north of Siskiyou-Trinity Co. line. Comment
  HSC19268  Cornus sericea subsp. sericea J. O. Sawyer 1968-6-18 196 Siskiyou Above S Russian Creek on W side. 1463 Comment
  HSC61806  Cornus sericea subsp. sericea Ruby Van Deventer 1938-7-13 Siskiyou Poker Flat. 1585 Comment
  UC165420  Cornus sericea subsp. sericea Geo. D. Butler 1908-8-21 86 Siskiyou Etna Creek Comment
  SBBG59866  Cornus sessilis A. Lefebure 1941-10-19 Siskiyou E Fork, Stuart Fork, Trinity River Comment
  UC375261  Corylus californica Geo. D. Butler 1908-11-2 1076 Siskiyou Forest House road Comment
  CAS-BOT-BC180202  Corylus cornuta subsp. californica Alice Eastwood 1912-7-15 1093 Siskiyou Mc. Cloud Comment
  SEINET3105180  Corylus cornuta subsp. californica Steve Selva, Roger Jensen 1974-8-22 35 Siskiyou Collected along trail from Doe Flat campground to Buck Lake. Comment
  JEPS124698 Image available Corylus cornuta subsp. californica B. Corwin 1964-7-1 131 Siskiyou Above lower falls of McCloud River. Fowler Public Camp, off rte. 89. Comment
  HSC101827  Crataegus gaylussacia J. P. Smith, J. O. Sawyer 2011-7-31 13346 Siskiyou Fence row along on Collier Way in Etna. 884 Comment
  CHSC71469  Crepis acuminata Vernon H. Oswald; Lowell Ahart 1998-7-21 9319 Siskiyou Hwy. 97 at the 11.0 mi mile marker 1.2 mi west of A12 northeast of Weed. Roadside bank. 1188 Comment
  JEPS125929  Crepis monticola D. W. Taylor 1996-6-28 15756 Siskiyou Antelope Mountain, ca 8 air miles S of Yreka Comment
  UC313843  Crepis monticola J. L. Collins 1927-6-8 Siskiyou Yreka Comment
  CAS-BOT-BC290863  Crepis pleurocarpa P. M. Peterson; J. M. Saarela; C. J. Sears 2006-8-10 19792 Siskiyou Scott Mountain summit, at 0.3 mi N of Hwy 3 on Forest Service 40 N 08 1671 Comment
  CAS-BOT-BC290875  Crepis pleurocarpa Alice Eastwood 1923-5-23 11925 a Siskiyou Cantara Comment
  RSA264990  Crepis pleurocarpa Gilbert Muth 1975-7-30 5724 Siskiyou Near Kangaroo Mountain, near Seiad Valley 1854 Comment
  CDA34521  Crocidium multicaule B. Villegas, Jodi Aceves 2011-5-24 s.n. Siskiyou Klamath National Forest, USFS Road 45N01 off USFS Road 45N11Y. 0 Comment
  HSC68062  Croton setiger J. P. Smith, Steve Selva 1970-7-16 4401 Siskiyou 1 mi. E of O'Neill Campground 579 Comment
  UC726463  Cryptantha affinis A. A. Heller 1919-6-30 13287 Siskiyou near Durney's Mill Comment
  CHSC91345  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
  CHSC93549  Cryptantha flaccida Lowell Ahart; John Dittes 2005-6-10 12070 Siskiyou Rocky hillside north of the Shasta River, south of a poor dirt road, about 50 yards northwest of the pump house along the Shasta River, about 1.9 miles (air) south of Highway 99/97 Cutoff, about 6 miles (air) east-southeast of Grenada. 776 Comment
  CHSC86661  Cryptantha intermedia Jenny Marr 1993-7-1 44 Siskiyou Butte Valley Wildlife Area, +/- 7 air miles NW of the town of MacDoel. Meadow NW of Meiss Lake. 1349 Comment
  JEPS125890  Cryptantha milobakeri Dean W. Taylor 1996-7-11 15786 Siskiyou Shasta Trinity National Forest; Scott Mountains, ridge dividing West Fork Parks Creek drainage from Willow Creek drainage, ca 15 air miles W of Weed and 3 air miles W of Stewart Springs. Comment
  HSC63997  Cryptantha rostellata J. P. Smith 1974-5-25 7372 Siskiyou Along Rd. 8, 0.9 mi. from its junction with Hwy. 3 976 Comment
  HSC19043  Cryptogramma acrostichoides J. O. Sawyer 1969-7-7 1071 Siskiyou NW facing upper slope above Little Duck Lake 2159 Comment
  UCSB51229  Cryptogramma acrostichoides Almanza, Ed 1976-7-13 Siskiyou The "Gate" Pass, Mt. Shasta 2438 Comment
  CAS-BOT-BC80558  Cupressus bakeri Carl B. Wolf 1930-10-19 1746 Siskiyou Modoc Lava Beds, 1 mile east of Timbered Butte on old road from C.W. Hill Farm at Dana to Little Hot Springs Valley 1219 Comment
  POM212070  Cupressus bakeri C. B. Wolf 1930-10-19 1746 Siskiyou Modoc Lava Beds, 1 mile E of Timbered Butte on Old Stage Road from CW Hill Farm to Dana to Little Hot Springs Valley Comment
  RSA17603  Cupressus bakeri C. B. Wolf 1934-10-8 6167 Siskiyou Modoc Lava Beds, 1 mile NE of Timbered Crater on old Stage road from Dana to Little Hot Springs Valley 1220 Comment
Read comments
Mar 29 2012
  RSA22756  Cupressus bakeri O. V. Matthews 1939-7-18 39 Siskiyou Northeast slope of Goose Nest, ca. 15 minute hike from end of recently abandoned caterpillar logging trail or drag-way 1524 Comment
  RSA24032  Cupressus bakeri O. V. Matthews 1939-7-18 38 Siskiyou NW Goose Nest, E of Yreka Comment
  UC483417  Cupressus bakeri Mrs. Anderson 1902-2-16 Siskiyou Fork of Seiad Creek Comment
  RSA22761  Cupressus bakeri O. V. Matthews 1939-7-18 38 Siskiyou Northeast Goose Nest. East of Yreka 1524 Comment
  UC1733972  Cupressus bakeri subsp. matthewsii Frank Gould, Kay H. Beach 1940-5-15 1247 Siskiyou Meadows and Goosenest Mountain. 1828 Comment
  POM211465  Cuscuta approximata L. C. Wheeler 1934-9-22 3294 Siskiyou Walker, Klamath River, Siskiyou Mountains. (Mt Diablo Mer) 518 Comment
  CAS-BOT-BC224418  Cuscuta californica Copeland 1903-7-6 3498 Siskiyou Hornbrook Comment
  JEPS25542  Cuscuta californica Rimo Bacigalupi with Lincoln Constance 1959-6-17 7159 Siskiyou 4 mi ne Weed (slopes across from junction of Big Springs Road with U.S. Highway 97) 1066 Comment
  JEPS48635  Cuscuta suksdorfii Louis C. Wheeler 1934-7-31 3011 Siskiyou 1 mi e Dry Lake Lookout; Siskiyou Mts. 1828 Comment
  RSA12491  Cuscuta suksdorfii var. subpedicellata C. B. Wolf 1934-7-4 5946 Siskiyou 6 8/10 mi. from Dry Lake Lookout on rd. to Horse Creek, Siskiyou Mts. Comment
  UC1540019  Cycladenia humilis var. humilis M. Mitchell 1936-5-9 10 Siskiyou s.e. slope of Schonchin Butte; Lava Beds Nat'l Monument, Schonchin Butte Comment
  UC133674  Cynoglossum occidentale A. A. Heller 1905-6-5 7984 Siskiyou Shasta Springs Comment
  RSA15460  Cyperus bipartitus Carl B. Wolf 1927-8-26 1085 Siskiyou Klamath River, 14 miles above Happy Camp. Comment
  UC1755212  Cypripedium californicum Dean William Taylor 1972-7-3 1605 Siskiyou At Cook and Green Pass, in White Fir Forest 1371 Comment
  CAS-BOT-BC70705  Cystopteris fragilis L. B. Kildale 1930-6-1 9777 Siskiyou Black Bear Trail to Sawyers Bar Comment
  UC796587  Cystopteris fragilis Roxana S. Ferris and Laura Lorraine Jun 12 1948-Jun 16 1948 11765 Siskiyou ca. 6 mi from Etna (on forks of Salmon Rd.) 1676 Comment
  CHSC49467  Damasonium californicum Vernon Oswald 1986-5-29 2070 Siskiyou Hwy 97 between Dorris and Macdoel, 46.3 mi ne of Weed. 1219 Comment
  SEINET3895842 Image available Damasonium californicum George Neville Jones 1967-6-30 45134 Siskiyou In pond near Dorris.; 0 Comment
  JEPS76057  Danthonia californica W. L. Jepson 1937-7-23 18459 Siskiyou Hayden Mt. Yreka Comment
  RSA239123  Danthonia intermedia Frederick W. Oettinger 1969-9-5 1681 Siskiyou Region of Abbott's Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2096 Comment
  HSC44949  Danthonia unispicata J. O. Sawyer 1978-6-17 3233 Siskiyou Marble Mtn. Wilderness Area, slopes E of Gem Lake 2073 Comment
  HSC91412  Danthonia unispicata Jennifer Whipple 1976-6-30 1202 Siskiyou SE slope of Mt. Eddy, draining into the N Fork of the Sacramento River 2226 Comment
  CHSC71604  Darlingtonia californica Vernon H. Oswald 1998-8-3 9441 Siskiyou Near the Pacific Crest Trail in the Scott Mtns. we ... Field redacted by CHSC, contact the data manager for more information 1981 Comment
  OBI55458  Darlingtonia californica David J. Keil, Kathleen Keil 1992-7-21 23545 Siskiyou Klamath Natl Forest SE of Callahan. Forest Road 40N08, 1.7 mi W of Scott Mtn rd (hwy 3) Comment
  RSA120876  Darlingtonia californica Unspecified 1955-7-9 160 Siskiyou 0.25 mile north of Kangaroo Lake on Rail Creek, Scott Mountains 1829 Comment
  UC11153  Darlingtonia californica W. A. Setchell, C. C. Dobie July, 1902 Siskiyou near Sisson; Mount Shasta, 18th Crossing Comment
  UC11158  Darlingtonia californica Geological Survey 1862-1 1356 Siskiyou near streams Mt Shasta Comment
  UC166662  Datisca glomerata Geo. D. Butler 1910-7-19 1723 Siskiyou Little Shasta Comment
  CDA36141  Datisca glomerata Jim Staggs 2011-11-15 PDR# 450 P06001782 Siskiyou Castle Crags State Park near Dunsmuir. 0 Comment
  HSC43033  Daucus carota J. O. Sawyer, K. T. Stillman 1976-7-2 2806 Siskiyou Ridges E of the Little N Fork Trail 732 Comment
  HSC27493  Delphinium depauperatum J. P. Smith, J. O. Sawyer 1972-5-27 5343 Siskiyou Hwy. 3 near the Scott Mtn. Campground on divide between Scott and Trinity Rivers 1601 Comment
  RSA398632  Delphinium glaucum Albert J. Perkins 1925-08 14737 Siskiyou Along road to Tuolumne Glacier, Yosemite National Park. Comment
  CAS-BOT-BC10145  Delphinium menziesii L. R. Short 1933-5-22 54 Siskiyou Klamath National Forest 609 Comment
  CAS-BOT-BC9884  Delphinium nudicaule George Dexter Butler 1910-5-7 1299 Siskiyou Near Yreka Comment
  CAS-BOT-BC9887  Delphinium nudicaule Elmer Ivan Applegate 1935-6-10 9478 a Siskiyou South base of Caldwell Butte, Lava Beds National Monument Comment
  UC1409278  Delphinium nuttallianum Frederick W. Oettinger 1969-7-10 955 Siskiyou base of cliff se Upper English Lake; Salmon Mountains, Marble Mountain Wilderness Area 1950 Comment
  UC166147  Delphinium nuttallianum Geo. D. Butler 1901-6-22 901 Siskiyou Goosenest foothills Comment
  RSA238282  Delphinium nuttallianum Frederick W. Oettinger 1969-7-18 1054 a Siskiyou SW of upper English Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1951 Comment
  HSC37565  Deschampsia cespitosa A. Montalvo, J. D. Ackerman 1975-7-19 590 Siskiyou 3 mi. E of McCloud, off Hwy. 89 on FS Rd. 39N13. 1067 Comment
  HSC81765  Deschampsia cespitosa Thomas W. Nelson, Jane P. Nelson 1980-7-20 6171 Siskiyou Above and to SE of Big Carmen Lake 1738 Comment
  UCD61112  Deschampsia cespitosa A. H. Murphy 1958-8-4 58 -C Siskiyou Little Elk Lake Marble Mts. 1676 Comment
  CAS-BOT-BC192464  Deschampsia cespitosa subsp. cespitosa L. P. Janeway 1983-8-16 545 Siskiyou Siskiyou Mountains; at Poker Flat 1524 Comment
  UCD61375  Deschampsia cespitosa subsp. cespitosa Ellen Dean; with Gary Nakamura and K. Mawdsley 2002-7-28 1207 Siskiyou Shasta Trinity National Forest; NW of Castle Crags, in Castle Crags Wilderness. Found west of I-5, near headwaters of the south fork of the Sacramento River. Along shores of Gray Rock Lake. 1800 Comment
  UC651085  Deschampsia cespitosa subsp. cespitosa L. Whitney 1933-8-2 Siskiyou Slate Creek Comment
  HSC102654  Deschampsia danthonioides J. P. Smith 2009-6-1 12615 Siskiyou Road to Tenant. Comment
  HSC26620  Deschampsia elongata J. P. Smith, Steve Selva 1970-6-16 4049 Siskiyou 7 mi. W of Etna on road to Sawyers Bar. 1280 Comment
  HSC34144  Deschampsia elongata J. O. Sawyer 1969-7-10 1438 Siskiyou Rocky ridge S of Jackson Lake. 1951 Comment
  RSA591530  Deschampsia elongata L. C. Wheeler 1934-6-3 2629 Siskiyou Cherry Flat, Klamath River; Siskiyou Mts. 518 Comment
  CAS-BOT-BC42970  Descurainia incisa subsp. incisa John Thomas Howell 1939-8-9 15222 Siskiyou Marble Mountains. Ridge south of Marble Valley. Comment
  HSC67685  Dicentra formosa John Palmer 1980-7-24 630 Siskiyou Klamath National Forest, Elk Hole 1503 Comment
  JEPS91305  Dicentra formosa Dean W. Taylor 1972-7-4 1595 Siskiyou near Lily Pad Lake 3 miles west of Cook & Green Pass 1981 Comment
  UCSB24989  Dicentra pauciflora Keefe, Joseph 1967-7-11 Siskiyou Along trail to Little Castle Lake, 1.0 mile southeast of Castle Lake, 10 miles south of city of Mt. Shasta 1828 Comment
  CAS-BOT-BC246543  Dichanthelium acuminatum subsp. fasciculatum Beecher Crampton 1964-8-26 7176 Siskiyou 0.6 miles east of Bartle on Hwy. 89 1310 Comment
  HSC44910  Dichelostemma capitatum subsp. capitatum J. P. Smith 1973-5-5 6402 Siskiyou In and around the O'Neill Campground near Seiad Valley. 488 Comment
  UC593509  Dichelostemma multiflorum E. B. Babcock, G. L. Stebbins Jr. 1936-6-11 1941 Siskiyou about 8 mi s Yreka 822 Comment
  UC179691  Dieteria canescens var. shastensis A. A. Heller 1914-8-26 11719 Siskiyou in a field at Weed 1524 Comment
  CAS-BOT-BC291025  Dieteria canescens var. shastensis John Thomas Howell 1937-7-29 13678 Siskiyou North slope of Scott Mts. 1676 Comment
  HSC9626  Digitaria sanguinalis C. B. Wolf 1927-8-26 1089 Siskiyou Klamath River, 14 mi. above Happy Camp Comment
  CAS-BOT-BC131054  Dimeresia howellii Dean Wm. Taylor; Glenn L. Clifton; R. Doug Stone 1987-8-7 9250 Siskiyou Caldwell Butte, Lava Beds National Monument 1499 Comment
  CAS-BOT-BC153304  Diplacus kelloggii R. C. Barneby 1954-5-16 11520 Siskiyou Scott River canyon 11 1/2 miles above Scott Bar 777 Comment
  JEPS8800  Dipsacus fullonum W. L. Kleaver 1915-5-31 1 Siskiyou Yreka Comment
  UC796501  Disporum hookeri Roxana S. Ferris and Laura Lorraine Jun 12 1948-Jun 16 1948 11750 Siskiyou French Creek Logging Road w of Callahan; French Creek Logging Road 1066 Comment
  HSC9646  Distichlis spicata R. C. Wunner 1965-7-4 339 Siskiyou Lava Beds National Monument: E side of Petroglyphs, near old shoreline of Tule Lake. 1220 Comment
  JEPS107661  Distichlis spicata Lowell Ahart, John Dittes 2005-6-9 12004 Siskiyou Meadow area along a small drainage, on the east side of a poor rock fence, about 300 yards east of where cattle water in the Shasta River, about 3/5 mile (air) south of Highway 99/97 Cutoff, about 2 1/2 miles (air) east-southeast of Grenada 774 Comment
  RSA461942  Dodecatheon A. C. Life 1924-3-22 14602 Siskiyou Camp Meeker-foot of Mt. Shasta. Comment
  RSA238740  Dodecatheon alpinum Frederick W. Oettinger 1968-8-13 502 Siskiyou Open wet meadow at Hancock Lake inlet; Red Fir Forest. Cold snow melt brook flows into the lake here. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1936 Comment
  HSC381  Dodecatheon jeffreyi William J. Ferlatte 1967-7-25 727 Siskiyou Caribou Basin 1982 Comment
  JEPS82701  Dodecatheon jeffreyi Wayne Roderick 1984-6-7 Siskiyou n side Mt. Eddy Mt. Eddy, n side 1676 Comment
  CHSC86665  Downingia bacigalupii Jenny Marr 1993-7-1 48 Siskiyou Butte Valley Wildlife Area, +/- 7 air miles NW of the town of MacDoel. Meadow NW of Meiss Lake. 1349 Comment
  JEPS60244  Downingia bacigalupii L. R. Heckard with L. Constance and R. Ornduff 1969-6-24 2306 Siskiyou ca 3 mi ne Little Deer Mt.--The Whaleback Quad. (1.2 mi from U.S. Highway 97, along road to Hoffman Mill) 1554 Comment
  JEPS124627 Image available Downingia montana B. Wenegrat 1969-7-10 67 Siskiyou 1 mile SE of Bartle on H. 89. Comment
  SBBG25839  Downingia yina D. Myrick 1966-8-8 1475 Siskiyou Mountain Meadow Ranch, Big Flat Comment
  CAS-BOT-BC41764  Draba howellii Gilbert J. Muth 1969-8-10 1348 Siskiyou Ridge west of Boulder Peak. 2346 Comment
  HSC44974  Draba howellii J. O. Sawyer, E. Cope 1977-6-20 2974 Siskiyou Along W slopes of Bear Mtn. 1829 Comment
  HSC57402  Draba howellii G. L. Clifton, Terry Griswold 1979-7-26 10151 Siskiyou Near Salmon Mtn., close to the town of Forks of Salmon 2104 Comment
  HSC6738  Draba howellii H. P. Chandler Jun 1901 1654 Siskiyou Marble Mtn. 2439 Comment
  CAS-BOT-BC41317  Draba pterosperma W. R. Dudley 1899-8-24 s.n. Siskiyou Top of Craggy Peak. Comment
  CDA24828  Draba verna G. D. Barbe, J. T. Howell, T. C. Fuller 1980-4-29 2598 Siskiyou Between restaurant and motel properties, Old Highway 99, south edge of Yreka. Comment
  UC1040750  Draperia systyla B. Crampton 1956-8-21 3839 Siskiyou Lower slope of White Ridge, canyon of the South Fork of the Sacramento River 1371 Comment
  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
  JEPS25594  Drymocallis glandulosa var. reflexa Rimo Bacigalupi 1959-7-2 7226 Siskiyou near n base Caribou Mtn (and just s of low divide (Trinity Co. boundary) separating Coffee Creek drainage from that of the Salmon River, Big Flat Campground); headwaters South Fork Salmon River, Coffee Creek drainage 1508 Comment
  UC165739  Drymocallis lactea var. austiniae Geo. D. Butler 1910-7-8 1658 Siskiyou Shackleford Creek 1371 Comment
  CAS-BOT-BC158417  Drymocallis rhomboidea G. P. Rixford s.n. Siskiyou South side of [Shaft-rock] Shaft Rock Mt., Hilt Comment
  HSC65313  Dysphania botrys J. P. Smith, Steve Selva 1970-7-16 4378 Siskiyou Along Klamath River, 2 mi. W of Seiad Creek 518 Comment
  RSA120499  Eleocharis decumbens S. Tillett 1956-7-9 640 Siskiyou E. of Scott Mtn., Siskiyou-Trinity county line, ca 8 mi. SE of Callahan. 1829 Comment
  HSC68515  Eleocharis suksdorfiana Maralyn A. Renner 1980-6-26 1174 Siskiyou Flint Valley. 1390 Comment
  CAS-BOT-BC451557  Elodea canadensis Louis C. Wheeler 1934-6-3 2624 Siskiyou Cherry Flat, Klamath River, Siskiyou Mts. 518 Comment
  CHSC6713  Elymus X hansenii B. Anthony 1968-5-12 521 Siskiyou Shasta Valley, 5 miles N. of Weed. Comment
  HSC103026  Elymus caput-medusae J. P. Smith 2014-6-7 13884 Siskiyou Yreka 844 Comment
  HSC64370  Elymus caput-medusae Don Bateman 1980-6-19 Siskiyou 930 Comment
  RSA211381  Elymus elymoides William J. Ferlatte 1966-8-2 243 Siskiyou Trinity Alps; Big Flat. wooded area near public camp. 1524 Comment
  RSA238987  Elymus elymoides Frederick W. Oettinger 1969-9-2 1583 Siskiyou Crapo Meadow near Tom Taylor Cabin. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2027 Comment
  HSC30696  Elymus elymoides var. elymoides Frederick W. Oettinger 1968-8-8 455 Siskiyou Marble Mtn. Wilderness Area, Crapo Meadow 2165 Comment
  CAS-BOT-BC206594  Elymus glaucus subsp. glaucus John Thomas Howell 1937-7-21 13167 Siskiyou South Fork of Salmon River near Big Flat 1524 Comment
  CAS-BOT-BC206614  Elymus glaucus subsp. glaucus Alice Eastwood 1912-7-15 1100 Siskiyou McCloud Comment
  UCD62652  Elymus trachycaulus Beecher Crampton 1956-8-21 3824 Siskiyou 1/2 mile northeast of Gumboot Lake, the headwater of the south fork of the Sacramento River. 1767 Comment
  HSC42919  Epilobium brachycarpum Ken Stillman 1976-8-31 458 Siskiyou E and N sides of Williams Point 366 Comment
  JEPS43818  Epilobium brachycarpum Geo. D. Butler 1908-9-5 136 Siskiyou e side of High School lot Yreka Comment
  SDSU8792  Epilobium brachycarpum D. F. Howe 1969-8-31 4674 Siskiyou 7 miles north of Weed on road to Yreka. 1006 Comment
  RSA237255  Epilobium ciliatum subsp. ciliatum Frederick W. Oettinger 1967-6-28 135 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
  SDSU8813  Epilobium ciliatum subsp. ciliatum D. F. Howe 1972-7-5 4873 Siskiyou 0.6 mile south of Oregon state line on road to Happy Camp. 1707 Comment
  UC1409432  Epilobium ciliatum subsp. glandulosum Frederick W. Oettinger and R. F. Thorne 1969-8-8 1305 Siskiyou Sundew Bog Salmon Mountains, Marble Mountain Wilderness Area (near English Lake, w Siskiyou Co.) 1828 Comment
  RSA215612  Epilobium clavatum Gilbert Muth 1969-8-6 1229 Siskiyou East side of Boulder Peak Ridge 2470 Comment
  UC873155  Epilobium densiflorum A. A. Heller 1916-7-20 12478 Siskiyou ne base of mt. Mt. Eddy, Metcalf's Ranch 1188 Comment
  HSC19501  Epilobium glaberrimum subsp. fastigiatum J. O. Sawyer 1969-8-1 1665 Siskiyou SE facing slope above Duck Lake Creek 1951 Comment
  HSC42954  Epilobium glaberrimum subsp. glaberrimum J. O. Sawyer, Ken Stillman 1976-7-1 2781 Siskiyou Streamside terraces and lower slopes along the Little N Fork of the Salmon River. 732 Comment
  UC618800  Epilobium glaberrimum subsp. glaberrimum W. Bridge Cooke 1938-7-15 11193 Siskiyou Bear Springs Meadow Mount Shasta, Bear Springs (marshy portion) Comment
  CHSC1129  Epilobium hallianum E. G. England 1939-6-30 Siskiyou Mt. Eddy. 2438 Comment
  HSC213  Epilobium hallianum William J. Ferlatte 1966-6-22 95 Siskiyou Along the S Fork of the Salmon River, between the campground and Carter's 1524 Comment
  RSA264965  Epilobium hallianum G. L. Clifton 1975-7-28 s.n. Siskiyou Near Siskiyou Mountains near Seiad Valley. 1634 Comment
  RSA105429  Epilobium hallianum Douglas Barbe 1955-7-26 277 Siskiyou Klamath Mountains: At a spring on the north slope of Scott Mountain 1829 Comment
  HSC19493  Epilobium hornemannii subsp. hornemannii J. O. Sawyer 1969-7-18 1402 Siskiyou SW facing slope above S Russian Creek. 1905 Comment
  CAS-BOT-BC171824  Epilobium luteum Canfield; Saxton 1922-8-21 69 Siskiyou Klamath Forest 1554 Comment
  HSC33998  Epilobium minutum J. P. Smith 1974-5-25 7486 Siskiyou Along Rd. 8, 4.7 mi. W of its junction with Hwy. 3 1159 Comment
  JEPS39212  Epilobium minutum Geo. D. Butler 1909-6-13 927 Siskiyou Moffitt Creek Comment
  UC1950195  Epilobium minutum Barbara Ertter 1990-7-14 9336 Siskiyou Wagon Creek on E side of Mt Eddy, ca 4 airmiles W of Mt. Shasta City; where several forks join before steep drop Comment
  RSA237393  Epilobium oregonense Frederick W. Oettinger 1968-9-7 758 Siskiyou Near Tobacco Lake. The Salmon Mountains, the High Lake Basins in the vicinity of English Peak, Marble Mountain Wilderness Area 1890 Comment
  CAS-BOT-BC171858  Epilobium septentrionale Maxine Wilkes 1940-8-20 s.n. Siskiyou Cliff Lake, Marble Mts. Comment
  HSC65267  Epilobium siskiyouense Rich White 1977-7-21 138 Siskiyou N slope of Preston Peak 1799 Comment
  UC1181349  Epilobium siskiyouense R. Ornduff with J. R. Swanson 1960-7-27 6272 Siskiyou just below summit (nw side of mt.); Scott Mountain Comment
  SEINET208833 Image available Equisetum arvense E. L. Smith, R Maguire 1967-5-22 Siskiyou City of Mt Shasta 1086 Comment
  UC1096837  Equisetum laevigatum Barbe 1957-7-13 376 Siskiyou w. side of camp Big Flat Public Camp (along footpath leading to spring); Klamath Nat'l Forest 1524 Comment
  UC637171  Equisetum laevigatum Edward Lee 1934-8-10 1201 Siskiyou near Hamburg (s bank Klamath River, between McKinney and Parkhouse Creeks) 609 Comment
  UCSC004593  Eragrostis Randall Morgan 2004-8-3 4271 Siskiyou Castle Crags State Park, Sacramento River Comment
  CAS-BOT-BC204623  Eragrostis mexicana subsp. virescens Louis C. Wheeler 1934-10-6 3314 Siskiyou Oak Knoll Ranger Station, Klamath River, Siskiyou Mts. 670 Comment
  HSC81555  Eremogone congesta Thomas W. Nelson, Jane P. Nelson 1980-7-20 6166 Siskiyou Above and to SE of Big Carmen Lake 1738 Comment
  CAS-BOT-BC168330  Eremogone congesta var. congesta A. A. Heller 1918-7-16 13031 Siskiyou Mt. Eddy, west of Sisson 2133 Comment
  CAS-BOT-BC174233  Eremogone congesta var. congesta Carl B. Wolf 1934-7-5 5965 Siskiyou Siskiyou Mts., 3 6/10 mi. from Dry Lake Lookout on road to Horse Creek 1981 Comment
  CHSC96600  Eremogone congesta var. crassula L. P. Janeway 2006-7-2 8731 Siskiyou 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
  CAS-BOT-BC286705  Ericameria bloomeri Doris K. Kildale 1928-8-20 6614 Siskiyou Hancock Lookout, on trail to Marble Mt. 2151 Comment
  CAS-BOT-BC286710  Ericameria bloomeri Elmer I. Applegate 1914-8-26 11722 Siskiyou At Weed 1066 Comment
  UC134300  Ericameria bloomeri unknown Siskiyou near timberline Sisson Comment
  SEINET5647875 Image available Ericameria bloomeri Lowell E. Urbatsch, D. Clark 1974-1 1509 f Siskiyou Along road to Ski Bowl on Mt. Shasta.; Mount Shasta 1676 Comment
  JEPS97193  Ericameria greenei Julie Kierstead Nelson with Maria Ulloa-Cruz 1995-8-22 95033 Siskiyou 1 1/2 mi W of The Eddys (on Parks Creek Road (Rd. 17); W slope of Parks Creek drainage); Shasta-Trinity National Forests, Mt. Shasta Ranger District 1737 Comment
  RSA13895  Ericameria greenei L. C. Wheeler 1934-8-24 3220 Siskiyou Trapper Creek. 1860 Comment
  CHSC57344  Ericameria nauseosa Michael D. Mayes 1983-4-16 7 Siskiyou Ca. 8 mi sw of Tulelake. Approx. 250 yds n of n entrance to Lava Beds National Monument. 1231 Comment
  CAS-BOT-BC294298  Ericameria nauseosa var. speciosa Edward Lee 1934-8-14 1099 Siskiyou Little Grayback, Siskiyou-Del Norte County line 1868 Comment
  UC1034043  Ericameria nauseosa var. speciosa unknown 1941-8-21 16216 Siskiyou on the n side of Diller Canyon (at timberline on the w side of Shastina); Mt. Shasta, Shastina, Diller Canyon 2438 Comment
  UC894775  Ericameria nauseosa var. speciosa Lewis S. Rose 1941-8-28 41430 Siskiyou Macdoel 1297 Comment
  CAS-BOT-BC294402  Ericameria parryi var. latior Alice Eastwood 1912-8-30 2079 Siskiyou Mount Eddy Comment
  UC1540155  Ericameria parryi var. latior Dean Wm. Taylor and Glenn L. Clifton 1987-8-6 9249 Siskiyou near Bartle (road to Medicine Lake from Highway 89) 1389 Comment
  UC415690  Ericameria parryi var. latior Wm. M. Canby, III 1897-9-7 Siskiyou Mt. Shasta Comment
  UC725955  Ericameria parryi var. latior A. A. Heller 1925-7-13 13898 Siskiyou on highway near College Camp Comment
  SEINET8687685 Image available Erigeron M. S. Baker s.n. Siskiyou Road to medicine Lake Comment
  CAS-BOT-BC293378  Erigeron acris var. kamtschaticus Wm. Bridge Cooke 1939-8-24 13911 Siskiyou Mount Shasta. On the east red ridge west of and above Panther Creek Meadows Comment
  HSC41054  Erigeron cervinus J. O. Sawyer 1969-7-9 1108 Siskiyou Dry slope above Little Duck Lake. Grandiorite 2012 Comment
  UC585086  Erigeron filifolius E. B. Babcock, G. L. Stebbins Jr. 1936-6-11 1955 Siskiyou about 2 mi s Sheep Rock (n slope of Mt. Shasta on highway from Bray to Weed); Mt. Shasta 1249 Comment
  CAS-BOT-BC300472  Erigeron filifolius Edwin B. Copeland 1903-9-8 s.n. Siskiyou Foot of Mt. Eddy 1219 Comment
  POM252997  Erigeron filifolius A. A. Heller 1936-7-12 15255 Siskiyou Near western base of Deer Mountain on U. S. Highway 97 Comment
  UCR93349  Erigeron filifolius var. filifolius Kathy Harper, D. Karr 1994-6-16 s.n. Siskiyou Sierra Nevada Mtns, 31 mi. NE of Bartle, meadow at junction of Medicine Lake Rd & road to Schonchin Springs, at Headquarters Camp 1982 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
  UC896067  Erigeron glacialis var. glacialis John Thomas Howell 1939-8-8 15163 Siskiyou Black Mt. Marble Mts., Black Mt. Comment
  SEINET10473743  Erigeron inornatus Mary Merello 1993-6-25 Merello 726 Siskiyou Shasta National Forest. At end of Forest Service Road 39N 28, road to Lower Falls and Fowlers Campground. Open conifer woodlands. Disturbed. Along McCloud River. 970 Comment
  JEPS109824  Erigeron inornatus var. calidipetris Dean W. Taylor 2005-7-13 19396 Siskiyou Big Sand Flat (ca. 8 air miles N of Bartle on Highway 89), along Forest Road 40N17 road leaving SW corner of the flat 1402 Comment
  JEPS41431  Erigeron inornatus var. inornatus W. L. Jepson 1940-6-30 20067 Siskiyou Fowler's Camp, 6 mi e McCloud; McCloud River,Forest Service Campground 944 Comment
  RSA0030731  Erigeron inornatus var. viscidulus L. C. Wheeler 1934-8-24 3219 Siskiyou Trapper Creek. 1860 Comment
  JEPS41495  Erigeron klamathensis W. L. Jepson Jul 17 1902-Jul 22 1902 2101 Siskiyou The Devils Backbone Western Siskiyou 1828 Comment
  RSA238772  Erigeron klamathensis Frederick W. Oettinger 1968-8-19 588 Siskiyou Along trail near gap in ridge between Toms and Hancock Lake basins. High Lake Basins in the vicinity of English Peak, Marble Mountain Wilderness Area 2146 Comment
  UC556436  Erigeron linearis R. D. Roseberry 1936-5-21 Siskiyou 1 mi ne Whitney Butte; Modoc Lava Beds 1447 Comment
  CAS-BOT-BC295809  Erigeron petrophilus var. viscidulus Peter H. Raven 1956-9-4 10410 Siskiyou S. slope of Mt. Eddy 2682 Comment
  RSA12509  Erigeron philadelphicus C. B. Wolf 1934-7-4 5927 Siskiyou 0.7 mi. below mouth of Dillon Creek, Klamath River. 244 Comment
  CAS-BOT-BC224142  Eriodictyon californicum A. A. Heller 1905-6-8 7996 Siskiyou Yreka Comment
  HSC77564  Eriogonum compositum var. compositum L. P. Janeway 1983-9-11 661 Siskiyou Poker Flat 1524 Comment
  JEPS82707  Eriogonum compositum var. compositum Wayne Roderick 1984-6-6 Siskiyou 1 mi n on Highway 3 Callahan Comment
  CAS-BOT-BC248840  Eriogonum compositum var. compositum Lillian Mott 1976-5-31 19 LM76 Siskiyou Klamath River, for ca. 4.5 miles below jct. of Hwy. 5 and 96 579 Comment
  CAS-BOT-BC250074  Eriogonum compositum var. compositum Geo. D. Butler 1909-5-14 720 Siskiyou Klamath River bluffs Comment
  HSC41055  Eriogonum compositum var. compositum J. O. Sawyer 1969-7-8 1094 Siskiyou Ridge N of High Lake 2360 Comment
  HSC46891  Eriogonum compositum var. compositum William J. Ferlatte 1974-7-13 1516 Siskiyou Canyon of the S Fork of Salmon River near falls 436 Comment
  UC634601  Eriogonum compositum var. compositum Mable Ruttle 1927-6-5 Siskiyou s slopes of Siskiyou Mts. Siskiyou Mts. Comment
  CAS-BOT-BC124204  Eriogonum congdonii Joseph Whipple Congdon 1900-8-18 s.n. Siskiyou Mt. Eddy Trail Comment
  JEPS116585  Eriogonum congdonii Julie Kierstead Nelson with Rhonda Posey, Ross Olson 2007-8-1 2007 -028 Siskiyou The Eddys, west of Mt. Shasta. East of Toad Lake trailhead, terminus of Forest Service Rd 40N64 headwaters of Middle Fork of upper Sacramento River. Mt. Eddy 2051 Comment
  UC77428  Eriogonum elatum Dr. E. B. Copeland 1903-7-3 3525 Siskiyou Klamathon Comment
  RSA279671  Eriogonum hirtellum James L. Reveal 1978-8-9 4813 Siskiyou Along dirt road to Baldy Mountain Lookout (USFS #17N11), 0.6 mile south of the jct of 17N23, on a ridge dividing Doolittle Creek and little South Fork, about 3.5 miles NNE of the lookout. 1341 Comment
  RSA279582  Eriogonum luteolum James L. Reveal, Mark L. Reveal 1975-8-15 3949 Siskiyou Siskiyou Mountains, Klamath National Forest, along the Daggett Creek Road on the west slope of Cedar Cove, about 0.5 mile east of the Forest Service Road 46N52, about 2.2 miles north of California Highway 96 Comment
  JEPS56778  Eriogonum marifolium Chesnut and Drew July 1891 Siskiyou Mt. Shasta-Lassen Comment
  CAS-BOT-BC263194  Eriogonum marifolium var. cupulatum Alice Eastwood 1912-7-19 1238 Siskiyou Mount Shasta Comment
  CHSC110785  Eriogonum marifolium var. cupulatum Dean Wm. Taylor 2012-8-22 21300 Siskiyou Mount Shasta. Elk Flat, easterly flanks of Mt. Shasta, Shasta-Trinity National Forest. 1241 Comment
  CHSC30829  Eriogonum marifolium var. marifolium M. S. Taylor 1980-8-18 3260 Siskiyou Pumice Stone Well, ca. 0.5 mi n of Pumice Stone Mt. 1950 Comment
  CDA22628  Eriogonum nudum var. nudum T. C. Fuller 1962-8-3 9504 Siskiyou Siskiyou Mountains; 200 yards up Raggedass Gulch, east of Beaver Creek, 5 miles north of the Klamath River. 0 Comment
  HSC43064  Eriogonum nudum var. nudum J. P. Smith, Steve Selva 1970-7-27 4519 Siskiyou Gumboot Lake 1768 Comment
Read comments
Jun 7 2012
  UCR37584  Eriogonum nudum var. nudum L. P. Janeway 1983-8-7 516 Siskiyou Peak '5148' East of Preston Peak 1555 Comment
  SD22553  Eriogonum nudum var. nudum Susan G. Stokes 1932-7-14 Siskiyou Near Dorris Comment
  CAS-BOT-BC272501  Eriogonum nudum var. pubiflorum John Thomas Howell 1934-7-4 12396 Siskiyou Se. corner of Siskiyou Co. Comment
  UC77613  Eriogonum nudum var. pubiflorum M. K. Curran July 1887 Siskiyou Ager Comment
  CAS-BOT-BC272478  Eriogonum nudum var. pubiflorum Elmer I. Applegate 1935-6-10 9473 Siskiyou Thomas massacre area, Lava Beds National Monument Comment
  SEINET10733992  Eriogonum pyrolifolium Andrew Townesmith, Karen M. Meyer 2007-7-30 Townesmith 866 Siskiyou Shasta-Trinity National Forest. At the upper end of county road A10, mile 13.8 (from beginning of road in Mount Shasta City, 12.7 miles from National Forest boundary sign). Highest vehicle accessible point on Mount Shasta. T41N R3W S33 NW 1/4. 2399 Comment
  CAS-BOT-BC267711  Eriogonum roseum W. R. Dudley 1899-8-22 s.n. Siskiyou Above Callahan's Comment
  HSC43441  Eriogonum siskiyouense Jennifer Whipple 1976-9-2 1758 Siskiyou S face of Mt. Eddy draining into the N Fork of the Sacramento River 2439 Comment
  CAS-BOT-BC269973  Eriogonum spergulinum var. reddingianum John Thomas Howell 1937-7-26 13561 A Siskiyou Salmon River Canyon between Big Flat and Caribou Gulch Comment
  HSC43453  Eriogonum strictum var. proliferum Jennifer Whipple 1976-9-3 1772 Siskiyou Near Little Crater Lake 2195 Comment
  CAS-BOT-BC263399  Eriogonum strictum var. proliferum John Thomas Howell 1937-7-29 13676 Siskiyou North slope of Scott Mts. 1676 Comment
  HSC69206  Eriogonum umbellatum Maralyn A. Renner 1980-9-1 2679 Siskiyou Bear Mtn. 1936 Comment
  CAS-BOT-BC268144  Eriogonum umbellatum var. humistratum Wm. Bridge Cooke 1940-7-26 15369 Siskiyou Mount Shasta. Along Diller Canyon Comment
  CAS-BOT-BC268152  Eriogonum umbellatum var. humistratum Arthur Menzies 1962-7-21 s.n. Siskiyou Mt. Eddy 2529 Comment
  UC195252  Eriogonum umbellatum var. humistratum Annie M. Alexander and Louise Kellogg 1911-8-14 322 Siskiyou Mt. Eddy Comment
  UC585150  Eriogonum umbellatum var. modocense E. B. Babcock, G. L. Stebbins Jr. 1936-6-11 1952 Siskiyou about 2 mi s Sheep Rock (on highway from Bray to Weed, North slope of Mt. Shasta); Mt. Shasta 1235 Comment
  CAS-BOT-BC265196  Eriogonum umbellatum var. nevadense Noel H. Holmgren; James L. Reveal 1966-6-9 2675 Siskiyou Shasta River Canyon, US 99, 5 miles north of Yreka, Siskiyou Mountains 853 Comment
  SD98969  Eriogonum umbellatum var. polyanthum D. F. Howe 1977-7-5 4997 Siskiyou 15 mi. SE Granada Comment
  SEINET10680303 Image available Eriogonum ursinum var. erubescens James L. Reveal, Julie D. Knorr 2002-8-5 Reveal 8371 Siskiyou Scott Bar Mountains, n and w slope and ridge of Deadwood Baldy Peak, Klamath National Forest, on metasedimentary (chert) soils associated with Ericameria nauseosa var. speciosa (and scattered Pseudotsuga menziesii). T.45N, R8W, secs 6 SE 1/4 of SW 1/4 and 7 NW1/4. 1675 Comment
  SEINET3160094  Eriogonum vimineum G. D. Butler 1910-7-31 1806 Siskiyou near Yreka Comment
  CAS-BOT-BC262369  Eriogonum vimineum L. E. Smith 1913-7-7 s.n. Siskiyou Yreka Comment
  CAS-BOT-BC376589  Eriophorum crinigerum Andrew Townesmith; Karen M. Meyer 2007-8-1 883 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) 1983 Comment
  HSC98412  Eriophorum crinigerum L. P. Janeway 1982-8-14 138 Siskiyou Elk Wallow 1677 Comment
  JEPS19990  Eriophorum gracile W. L. Jepson Aug. 1894 Siskiyou near Sisson Comment
  HSC71184  Eriophyllum lanatum M. A. Baker 1980-6-20 2195 Siskiyou Near Bald Mtn. 1036 Comment
  CAS-BOT-BC301124  Eriophyllum lanatum var. achilleoides Geo. D. Butler 1910-5-4 1279 Siskiyou Near Yreka Comment
  UC896369  Eriophyllum lanatum var. achilleoides A. A. Heller 1916-7-20 12479 Siskiyou ne base Mt. Eddy (Metcalf's ranch) 1188 Comment
  CAS-BOT-BC301102  Eriophyllum lanatum var. achilleoides L. Constance 1940-6-4 15027 Siskiyou Mount Shasta. Along the Bolam Road and US97 Comment
  UC455785  Eriophyllum lanatum var. grandiflorum I. J. Condit 1911-7-3 Siskiyou Shasta Retreat Comment
  UC507182  Eriophyllum lanatum var. grandiflorum Lincoln Constance 1928-6-1 Siskiyou s of Weed Comment
  OBI55542  Eriophyllum lanatum var. integrifolium David J. Keil, Kathleen Keil 1992-7-24 23567 Siskiyou East of McCloud along hwy 89, 22.6 mi W of Shasta County line Comment
  RSA14500  Eriophyllum lanatum var. lanceolatum Elmer I. Applegate 1923-9-7 3952 Siskiyou Doggett Ridge, south slope of the Siskiyou Mountains. Comment
  SBBG16530  Eriophyllum lanatum var. lanceolatum D. Myrick 1961-6-20 274 Siskiyou near Mt Shasta City 1066 Comment
  CAS-BOT-BC301714  Eriophyllum lanatum var. lanceolatum Doris K. Kildale 1929-7-20 8711 Siskiyou Trail from Elk Lick to Raspberry Lake, upper South Fork of Indian Creek 1828 Comment
  CAS-BOT-BC65378  Erysimum capitatum R. C. Wenk 2005-7-15 235 Siskiyou Above South Fork Salmon River, along Yellow Rose Mine trail. 2042 Comment
  CAS-BOT-BC55113  Erysimum perenne William Bridge Cooke; V. G. Cooke 1963-7-9 34218 Siskiyou Mount Shasta. Near McBride Springs in dry Cascade Gulch. 1524 Comment
  CAS-BOT-BC55114  Erysimum perenne William Bridge Cooke; V. G. Cooke 1963-7-10 34276 Siskiyou North side of Mount Shasta. East side of Bolam Canyon. 2438 Comment
  CHSC33834  Erythranthe primuloides R. E. Preston 1981-8-22 141 Siskiyou N shore of Juanita Lake. 1556 Comment
  CAS-BOT-BC502723  Erythronium grandiflorum V. Rattan 1879-6-1 s. n. Siskiyou NW California, Siskiyou Mts. Comment
  JEPS50874  Erythronium klamathense Wayne Roderick 1963-6-10 Siskiyou along trail from Castle Lake to Little Castle Lake 1828 Comment
  CAS-BOT-BC402627  Eschscholzia caespitosa A. A. Heller 1918-7-16 13081 Siskiyou Fields south of Yreka Comment
  SEINET3160625  Eschscholzia californica G. D. Butler 1910-5-7 1301 Siskiyou Yreka Comment
  RSA17662  Eschscholzia californica var. crocea Elmer I. Applegate 1935-6-10 9470 Siskiyou Harden Butte (Sand Hill), Lava Beds National Monument Comment
  SEINET4854345  Eschscholzia confinis E. B. Copeland 1903-7-2 3532 Siskiyou Klamathon. Comment
  UC1557892  Eucephalus glabratus J. Semple, S. Heard 1986-8-16 8492 Siskiyou sW of Etna (Etna Summit on Forest HWY 93) Comment
  HSC22123  Eucephalus ledophyllus var. ledophyllus J. O. Sawyer 1969-8-1 1637 Siskiyou SE facing slope above Duck Lake Creek 1951 Comment
  HSC62120  Eucephalus ledophyllus var. ledophyllus Al Hobart 6 Aug [year missing] Siskiyou Preston Pk. 1890 Comment
  HSC68331  Eucephalus ledophyllus var. ledophyllus Maralyn A. Renner 1980-6-26 1238 Siskiyou SE edge of Flint Valley. 1390 Comment
  CAS-BOT-BC202763  Euonymus occidentalis Doris K. Kildale 1928-7-3 5456 Siskiyou 8 miles east of Forks of Salmon on road to Little North Fork Salmon River Comment
  RSA34279  Euphorbia crenulata C. B. Wolf 1934-7-6 6030 Siskiyou West side of Mt Shasta, along Snowline road, 3.3 miles from Mt. Shasta City 1524 Comment
  UC17633  Euphorbia crenulata T. H. Gilbert Jun 15 1899-Jul 15 1899 Siskiyou Scott River Valley Comment
  UCSB37071  Euphorbia virgata Clark, Dell 1970-6-23 Siskiyou 2 1/2 miles northwest of Dorris, on east side of Mathews Rd., 1 1/2 miles north of Picards Rd. Comment
  JEPS81790  Eurybia radulina Rimo Bacigalupi with Drs. Reino and Aloha Alava 1958-9-2 6828 Siskiyou meadow just below and n of Scott Mountain road summit 1615 Comment
  HSC77121  Festuca idahoensis K. T. Stillman 1976-6-25 99 Siskiyou Marble Mtn. Wilderness Area, between Marble Gap and Elk Valley Trail Comment
  JEPS107387  Festuca idahoensis Lowell Ahart, John Dittes 2005-6-10 12100 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
  RSA211385  Festuca idahoensis William J. Ferlatte 1966-8-3 251 Siskiyou Trinity Alps: Big Flat, wooded area near public camp. 1524 Comment
  UC651084  Festuca pratensis A. A. Heller 1915-8-24 12214 Siskiyou ne base Mt. Eddy (Metcalf's ranch) 1188 Comment
  SEINET3364383 Image available Festuca roemeri Barbara L. Wilson 1996-6-22 8172 Siskiyou about 2 miles from Gazelle Road on the road to Mount Eddy (Forest Service Road 17). Comment
  RSA656724  Festuca roemeri var. klamathensis Barbara L. Wilson 1996-6-23 8177 Siskiyou Near the Klamath National Forest but in private land, on Forest service road 43N21, half mile west of intersection with Quartz Valley Road. Comment
  SBBG82381  Festuca rubra C. Bornstein 1996-6-29 Siskiyou Indian Well Cmpgrd, Lava Beds Nat Monument 1432 Comment
  CAS-BOT-BC278639  Festuca subulata A. A. Heller 1916-7-20 12466 Siskiyou Metcalf's ranch, northeast base of Mt. Eddy 1188 Comment
  SEINET10559490  Festuca subulata A. Arthur Heller 1916-7-20 Heller 12466 Siskiyou Metcalf's ranch, northeast base of Mt. Eddy in opening in the forest, 3900 Comment
  RSA215653  Festuca viridula Gilbert Muth 1969-8-7 1261 Siskiyou On east side of Boulder Peak Ridge. 2470 Comment
  HSC96  Fragaria vesca William J. Ferlatte 1966-6-22 103 Siskiyou Along the S Fork of the Salmon River, between the campground and Carter's 1524 Comment
  UC454005  Fragaria vesca I. J. Condit 1911-7-7 Siskiyou Shasta Retreat 1066 Comment
  UC555501  Fragaria vesca D. Tebbe 1929-7-1 10 Siskiyou Mt. Eddy at Donkey Camp; Mt. Eddy Comment
  CAS-BOT-BC457569  Fragaria vesca subsp. californica Alice Eastwood 1923-5-27 11939 Siskiyou Shasta Springs Comment
  CAS-BOT-BC447519  Fragaria virginiana var. platypetala Wm. Bridge Cooke 1938-7-15 11251 Siskiyou Wagon Camp. Occasional along the outer fringe of the meadow in dry locations. 1737 Comment
  CAS-BOT-BC59980  Frangula purshiana Louis C. Wheeler 1934-10-28 3351 Siskiyou Shasta River 2 mi. below Yreka Creek. Siskiyou Mts. 822 Comment
  CAS-BOT-BC60016  Frangula purshiana Doris K. Kildale 1928-7-3 5440 Siskiyou Little N. Fork Salmon River near mouth. Comment
  CAS-BOT-BC60025  Frangula purshiana John Thomas Howell 1937-7-26 13541 Siskiyou Caribou Gulch. Comment
  CAS-BOT-BC55718  Frangula rubra subsp. obtusissima L. E. Smith 1913-6-29 s.n. Siskiyou Rainbow Comment
  CAS-BOT-BC59551  Frangula rubra subsp. rubra Doris K. Kildale; J. W. Gillespie 1929-6-22 8032 Siskiyou Base of Black Butte, Mt. Shasta Comment
  CAS-BOT-BC59600  Frangula rubra subsp. rubra Doris K. Kildale 1929-6-22 8032 Siskiyou Base of Black Butte, Mt. Shasta Comment
  CAS-BOT-BC223578  Fraxinus latifolia Lewis S. Rose 1945-6-18 45073 Siskiyou Horse Creek & Klamath River 502 Comment
  HSC46150  Fraxinus latifolia J. P. Smith, Steve Selva 1970-7-17 4424 Siskiyou Along Klamath River Comment
  POM211258  Fraxinus latifolia Louis C. Wheeler 1934-9-15 3262 Siskiyou Walker, Klamath River, Siskiyou Mts. (Mt. Diablo Mer.) 518 Comment
  UC1045281  Fraxinus latifolia W. Bridge Cooke 1940-6-20 15174 Siskiyou below Hornbrook (along banks of Klamath River); Klamath River Comment
Read comments
Aug 20 2012
  CAS-BOT-BC502842  Fritillaria atropurpurea Geo. D. Butler 1910-5-1 1261 Siskiyou Humbug Mountain 1219 Comment
  JEPS20034  Fritillaria pudica George D. Butler 1909-3-7 554 Siskiyou Butcher Hill near Yreka; Butcher Hill Comment
  HSC69398  Galium bifolium Maralyn A. Renner 1980-8-8 2449 Siskiyou Rattlesnake Meadow 1646 Comment
  HSC19299  Galium bifolium J. O. Sawyer 1969-7-1 969 Siskiyou NE facing lower slope above Paynes Lake Creek 1829 Comment
  JEPS25704  Galium bolanderi P. C. Hutchison 1961-5-22 2037 Siskiyou on Hwy 299 2.7 mi n Clear Creek (w side of river 5.7 mi s of Happy Camp); Klamath River Comment
  UC585122  Galium bolanderi E. B. Babcock and G. L. Stebbins Jr. 1936-6-13 1989 Siskiyou e and ne slope of spur of ridge above Sulloway Creek (about 1 1/2 mi w); Rainbow Ridge 1180 Comment
  UC1949249  Galium glabrescens Barbara Ertter 1990-7-14 9329 Siskiyou Wagon Creek on E side of Mt Eddy, ca 4 airmiles W of Mt. Shasta City Comment
  POM253613  Galium glabrescens subsp. glabrescens C. Leo Hitchcock, J. S. Martin 1939-7-6 5228 Siskiyou Peak above and N of Divide of Siskiyou Mts, Takilma Happy Camp road. 1829 Comment
  RSA202646B  Galium glabrescens subsp. glabrescens F. Ehrendorfer, G. Ledyard Stebbins 1959-6-29 5915 Siskiyou W flank of Scott Mtn. 1921 Comment
  UCSB17111  Galium glabrescens subsp. glabrescens Hardham, Clare 1961-6-30 Siskiyou White Moutnain, Siskiyou Mountains Comment
  JEPS119371  Galium grayanum var. grayanum Dana York 2011-8-12 3042 Siskiyou Klamath National Forest, Marble Mountain. Comment
  UCR94142  Galium parisiense J. A. Alexander, N. F. McBain, N. A. Alexander 1995-6-30 424 Siskiyou Line Gulch, Klamath River drainage, along Calif. Hwy 96, c. 7 miles west (293 deg. ) of the intersection with I-5, near the S.F. Clyburn family home from 1917-1966 518 Comment
  UC1586850  Galium trifidum var. pusillum Juha Pykala and D. H. Norris 1987-7-8 2454 Siskiyou n shore Medicine Lake 2040 Comment
  HSC19066  Galium triflorum J. O. Sawyer 1969-7-26 1587 Siskiyou Along Sugar Creek 1707 Comment
  HSC29316  Galium triflorum Frederick W. Oettinger 1968-8-7 436 Siskiyou Marble Mtn. Wilderness Area, along trail on E side of Hancock Lake 1936 Comment
  CAS-BOT-BC182159  Garrya fremontii Louis C. Wheeler 1934-6-22 2764 Siskiyou Cottonwood Cr. Klamath National Forest 1066 Comment
  CAS-BOT-BC182269  Garrya fremontii L. E. Smith 1912-7-1 s.n. Siskiyou Hornbrook Comment
  JEPS66747  Garrya fremontii Geo. D. Butler 1910-3-12 1125 Siskiyou near Yreka Comment
  UC21601  Garrya fremontii Thos. Howell Apr 1892 1437 Siskiyou Siskiyou Mts. Comment
  UC412883  Garrya fremontii Annie M. Alexander and Louise Kellogg 1911-6-13 138 Siskiyou 6 mi nw Callahan Comment
  POM78079  Garrya fremontii Geo. D. Butler 1909-3-21 562 Siskiyou Oro Fino Comment
  CAS-BOT-BC478506  Gayophytum C. G. Pringle 1881-8-17 s.n. Siskiyou Mount Shasta 2438 Comment
  HSC19481  Gayophytum diffusum subsp. parviflorum J. O. Sawyer 1969-7-24 1515 Siskiyou SE facing slope W of Sugar Lake 1905 Comment
  JEPS25588  Gayophytum diffusum subsp. parviflorum Rimo Bacigalupi 1959-7-2 7220 Siskiyou headwaters or iver near Caribou Mtn. (just s of low divide (Trinity Co. boundary) separating Coffee Creek drainage from that of Salmon River); South Fork of the Salmon River, Big Flat Campground 1508 Comment
  JEPS40900  Gayophytum diffusum subsp. parviflorum Paul C. Hutchison 1962-8-3 946 Siskiyou just e Paint Pot Crater (between Grasshopper Flat and Little Medicine Lake) 1783 Comment
  HSC184  Gayophytum diffusum subsp. parviflorum William J. Ferlatte 1966-8-3 256 Siskiyou Mtn. Meadow Ranch 1524 Comment
  UCR52565  Gayophytum heterozygum 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
  UCD77734  Gayophytum humile Robert E. Preston 2002-6-20 1832 Siskiyou Klamath National Forest, Rainbow Mountain, W ridge, on E-facing slope 1911 Comment
  UC878459  Gentiana calycosa John Thomas Howell 1939-8-8 15145 Siskiyou Black Mt. Marble Mts. Comment
  UCD77735  Gentiana calycosa Robert E. Preston 2002-7-14 1932 Siskiyou Klamath National Forest, N slope of Rainbow Mountain. 1895 Comment
  SEINET8586406  Gentiana newberryi W. Roderick 1967-9-1 s.n. Siskiyou Cedar Lake, W of Mount Shasta. 1829 Comment
  CAS-BOT-BC217415  Gentiana plurisetosa C. C. Harris; S. K. Harris 1939-8-29 976 Siskiyou Half Moon Meadow, Marble Mountain Primitive Area 1670 Comment
  CAS-BOT-BC459351  Geum aleppicum L. E. Smith 1913-7-27 506 Siskiyou Mc Cloud Comment
  SEINET6709654  Geum triflorum var. ciliatum G. D. Butler 1910-6-19 1578 Siskiyou Goosenest foothills 1524 Comment
  JEPS98787  Gilia Sue Pappalardo 1993-7-19 504 A Siskiyou about 4 mi SE of Bear Mountain Lookout (between Forest Service roads 40N38 and 40N36); Shasta Trinity National Forest, McCloud Ranger District 1300 Comment
  HSC45986  Gilia capitata J. P. Smith, Steve Selva 1970-6-15 3947 Siskiyou Road between Forks of Salmon and Cecilville. 579 Comment
  SEINET7042833  Gilia capitata A. G. Vestal 1955-5-17 s.n. Siskiyou Serpentine bank on the east side of Scott Valley. Ca 3 miles east of Etna on Eastsi De Road. McConaughy Gulch quadrangle UTM Zone 10, 513136mE, 4589617mN. Comment
  SD53391  Glyceria striata Darley F. Howe 1962-8-4 3387 Siskiyou Baldy Mt., pool of water 1524 Comment
  UC1608322  Glyceria striata J. Kierstead 1990-8-23 90 -138 Siskiyou Cold Creek Shasta-Trinity National Forests, Mt. Shasta (e slope of Mt. Shasta, McCloud Ranger Dist) 1615 Comment
  UC144171  Gnaphalium palustre Copeland 1903-10-5 3846 Siskiyou Igerna Comment
  UC637148  Gnaphalium palustre Edward Lee 1934-8-15 1136 Siskiyou summit of road between Waldo (Oregon) and Happy Camp; Klamath National Forest, Indian Creek watershed 1615 Comment
  HSC30496  Gnaphalium palustre Frederick W. Oettinger 1969-8-21 1479 Siskiyou Near Ethel Lake; Salmon Mtns. Comment
  RSA237526  Gnaphalium palustre Frederick W. Oettinger 1969-8-14 1368 Siskiyou Campsite, English Lake. Salmon Mtns. High Lake Basins in the vicinity of English Peak. Marble Mtn Wilderness Area. 1829 Comment
  HSC69384  Goodyera oblongifolia Maralyn A. Renner 1980-8-31 2669 Siskiyou Poker Flat at trailhead to Twin Valley 1524 Comment
  UC202446  Grindelia hirsutula A. A. Heller 1917-9-7 12979 Siskiyou 10 mi s Gazelle (Shasta Valley); ; Shasta valley S of Gazelle, Siskiyou Co. 914 Comment
  SDSU2695  Grindelia nana D. F. Howe 1961-8-3 3178 Siskiyou 26.5 miles east of Shasta on #89. 1219 Comment
  RSA675180  Gutierrezia sarothrae F. R. Schallert 1953-8-10 2394 Siskiyou below Shasta Comment
  UC1408782  Hackelia bella Frederick W. Oettinger 1968-8-11 476 Siskiyou 30 yards se of Tom Taylor Cabin (High Lake Basins in Vicinity of English Peak); Salmon Mountains, Marble Mountain Wilderness Area 2026 Comment
  UCD119376  Hackelia californica K. M. Meyer; A. Townesmith 2007-7-29 170 Siskiyou Shasta-Trinity National Forest. 0.3 mi. on 40N25 Rd., off Siskiyou County Rd., A10/Everitt Memorial Hwy. 1805 Comment
  UC1063908  Hackelia cusickii M. H. Mitchell 1936-5-21 Siskiyou s of road to Devils Gate Lava Beds National Monument; Modoc National Forest 1310 Comment
  CHSC96089  Hackelia micrantha L. P. Janeway 2006-7-3 8773 Siskiyou Klamath Ranges. Salmon Mountains; south side of upper Carter Meadows 0.5 km west of Carter Meadows Summit. 1798 Comment
  UCR39975  Hackelia micrantha L. P. Janeway 1983-7-31 470 Siskiyou Poker Flat 1524 Comment
  HSC92282  Hackelia micrantha Jennifer Whipple 1976-7-9 1406 Siskiyou N-facing slopes in the Eddy Creek Drainage 2226 Comment
  POM72107  Hackelia micrantha Geo. D. Butler 1910-7-8 1678 Siskiyou Shackleford Creek. 1372 Comment
  UC1186470  Hackelia setosa John Weiler, A. P. Nelson 1960-6-26 60222 Siskiyou 0.6 mi n of Bacon Rind Public Camp (s of Sawyers Bar) Comment
  HSC41469  Hackelia setosa Ed Cope 1977-7-16 131 Siskiyou Johnson's Hunting Grounds Trail at Wilderness Area border 1677 Comment
  CAS-BOT-BC123569  Haplopappus racemosus subsp. pinetorum David Daniels Keck 1938-8-8 4862 Siskiyou Scott Mts., ridge between Milll and Mule creeks, 3 mi SE of Scott Mt. Lodge. 1340 Comment
  JEPS62098  Hastingsia alba W. L. Jepson July 1894 Siskiyou Sisson Comment
  SEINET3154175  Hastingsia alba G. D. Butler 1910-6-5 1482 Siskiyou Shackleford Creek Comment
  UC61498  Hastingsia alba W. A. Setchell, C. C. Dobie 1902-7-13 Siskiyou Sisson , Sisson (Mount Shasta) Comment
  UC796499  Hastingsia alba Roxana S. Ferris and Laura Lorraine Jun 12 1948-Jun 16 1948 11730 Siskiyou French Creek Logging Road w Callahan; w of Callahan 1066 Comment
  CAS-BOT-BC504625  Hastingsia alba A. A. Heller 1905-6-1 s.n. Siskiyou Between Upper Soda Spring and Shasta Retreat Comment
  CAS-BOT-BC508653  Hastingsia alba Elizabeth McClintock; Wayne Roderick 1967-7-27 s.n. Siskiyou At head of Gumboot Lake, s.w. of Mt. Eddy 1828 Comment
  CDA39324  Hastingsia alba T. C. Fuller 1958-6-19 1821 Siskiyou Highway 99, 3 miles south of Gazelle. 0 Comment
  RSA215643  Hazardia whitneyi var. discoidea Gilbert Muth 1969-8-10 1344 Siskiyou Red Mountain Ridge. 2378 Comment
  UC165252  Helenium autumnale Geo. D. Butler 1908-8-30 319 Siskiyou near Fort Jones; Scott River Comment
  SBBG8384  Helenium bigelovii H. and M. Dearing 1939-6-30 3756 Siskiyou rd from Callahan to Trinity Alps 1828 Comment
  UC1619966  Helenium bigelovii Barbara Ertter with Julie Kierstead and Jim Nelson 1990-7-15 9353 Siskiyou 5 air mi due w of Mount Shasta City (Morgan Meadows on e side of Mount Eddy); Mount Eddy, Morgan Meadows 1676 Comment
  HSC43139  Helenium puberulum Ken Stillman 1976-8-24 417 Siskiyou E and N slopes of Williams Point 366 Comment
  CAS-BOT-BC305315  Helianthella Elizabeth McClintock; Wayne Roderick; Martha Roderick 1967-7-28 s.n. Siskiyou Gumboot Lake, Trinity Mts. 1828 Comment
  POM359825  Helianthella californica var. nevadensis Christopher Davidson 1975-6-5 2678 Siskiyou 6 miles ESE of Callahan on Hwy 3 (= 4 miles SE of Scott River Bridge). 1349 Comment
  UC722218  Hemizonella minima C. L. Hitchcock and J. S. Martin 1939-7-9 5325 Siskiyou 1/2 mi se King's Castle; Marble Mts. 1828 Comment
  CAS-BOT-BC313449  Hemizonella minima Wm. Bridge Cooke 1940-6-4 15006 Siskiyou Old Bolam Road, Mount Shasta 1219 Comment
  HSC77565  Hemizonella minima L. P. Janeway 1983-7-3 369 Siskiyou NW of Poker Flat 1585 Comment
  RSA11163  Hemizonia fitchii C. B. Wolf 1927-8-26 1003 Siskiyou Klamath River, 5 miles below Hornbrook. Comment
  UC618740  Heracleum lanatum W. Bridge Cooke 1938-7-15 11186 Siskiyou along middle of Bear Spring creek Bear Springs; Mt.Shasta, Bear Springs Comment
  HSC69511  Heracleum maximum Maralyn A. Renner 1980-7-14 1735 Siskiyou Near road at switchback, headwaters of Etna Creek 1707 Comment
  CHSC71302  Hesperochiron californicus Vernon H. Oswald; Lowell Ahart 1998-6-11 9203 Siskiyou Dry lake on the south side of Tennant Rd. ca. 9 air mi east of Grass Lake, ca. 22 air mi northeast of Weed. 1402 Comment
  HSC96738  Hesperochiron californicus M. Mesler 2006-7-2 624 Siskiyou Trail to E of Boulder Lake 1829 Comment
  UCD20354  Hesperochiron pumilus Jodi Notah 2002-5-30 s.n. Siskiyou Siskiyou county, 2 miles south of Grenada, just west of Interstate 5. Comment
  HSC78308  Heterocodon rariflorum L. P. Janeway 1983-7-31 476 Siskiyou Poker Flat, upper portion of meadow. 1524 Comment
  JEPS74414  Heterocodon rariflorum W. B. and V. G. Cooke 1974-8-21 49262 Siskiyou Howard; Mt. Shasta Comment
  HSC74833  Heterotheca oregona var. rudis J. P. Smith, J. O. Sawyer 1978-7-3 10002 Siskiyou Klamath National Forest, Williams Point along the Klamath River, S of Hwy. 96 Comment
  POM40918  Heterotheca oregona var. rudis Geo D. Butler 1910-7-16 1790 Siskiyou Oro Fino Comment
  JEPS29996  Heterotheca villosa var. minor Rimo Bacigalupi, and L. Heckard, J. Weiler 1961-7-2 7982 Siskiyou about 7 1/2 mi ne Weed (along US Hwy 97) 1127 Comment
  UCD77769  Heuchera cylindrica Robert E. Preston 2001-6-30 1650 Siskiyou Klamath National Forest, north slope of Rainbow Mountain, T42N R1W nw 1/4 of se 1/4 Section 14 1889 Comment
  SBBG26900  Heuchera merriamii J. T. Howell 1937-7-24 Siskiyou Caribou Basin, Salmon-Trinity Alps 1981 Comment
  RSA0063194  Heuchera merriamii William J. Ferlatte 1967-8-20 1061 Siskiyou Caribou Basin. Sawtooth Ridge. Trinity Alps. 2043 Comment
  HSC26104  Heuchera micrantha J. P. Smith, J. O. Sawyer, Maralyn O'Meara 1972-7-3 5675 Siskiyou E slope of Kangaroo Mtn. above Toehead Lake. 1890 Comment
  NY186042  Heuchera pringlei C. G. Pringle 1881-8-14 s.n. Siskiyou Castle Lake 1828.8 Comment
  CHSC1637  Heuchera rubescens var. glandulosa M. Yoder 1941-7-12 Siskiyou Castle Lake. 1981 Comment
  CAS-BOT-BC319687  Hieracium albiflorum L. E. Smith 1913-7-12 477 Siskiyou Mt. Eddy Comment
  CAS-BOT-BC319701  Hieracium albiflorum John Thomas Howell 1937-7-22 13308 Siskiyou South Fork of Salmon River near Big Flat 1524 Comment
  UC485540  Hieracium albiflorum H. W. Furlong Sep 1901 Siskiyou Summit to Ager Comment
  HSC67747  Hieracium albiflorum J. O. Sawyer, J. Cole 1980-7-21 3817 Siskiyou NW of Little Mt. Hoffman 1982 Comment
  CAS-BOT-BC318510  Hieracium bolanderi Doris K. Kildale 1929-7-20 8540 Siskiyou Trail to Preston Peak along South Fork INdian Creek 2133 Comment
  CHSC69070  Hieracium greenei Vernon Oswald; Lowell Ahart 1997-7-28 8801 Siskiyou Forest Route 15 near Grasshopper Flat, 3.9 mi south of Medicine Lake Road. 1700 Comment
  OBI80263  Hieracium greenei David J. Keil, Kathleen Keil 1990-7-28 s.n. Siskiyou Marble Mountains. Klamath National Forest. Rye Patch Creek Trail. 1700 Comment
  CAS-BOT-BC315998  Hieracium nudicaule Wm. Bridge Cooke 1938-7-29 11407 Siskiyou Below Wagon Camp, Mount Shasta 1676 Comment
  CAS-BOT-BC316016  Hieracium nudicaule Ira L. Wiggins 1955-7-27 13522 Siskiyou Caribou Lake, Salmon-Trinity Alps Primitive Area 2042 Comment
  CAS-BOT-BC316011  Hieracium nudicaule H. M. Hall 1909-7-1 8677 Siskiyou Salmon River, Salmon Mountains 1584 Comment
  HSC36473  Hieracium scouleri J. O. Sawyer 1969-7-25 1525 Siskiyou SE facing slope W of Sugar Lake 1845 Comment
  HSC29197  Hieracium scouleri Frederick W. Oettinger 1968-8-12 490 Siskiyou High Lake Basins near English Peak; Marble Mtn. Wilderness Area: Near Tobacco Lake 1890 Comment
  UCD133129  Hieracium triste J. M. Tucker; Louis K. Mann 1963-8-19 3783 Siskiyou Canyon Creek, Marble Mountain Wilderness Area. 1920 Comment
  UCD133130  Hieracium triste J. M. Tucker 1950-7-23 1942 Siskiyou Panther Meadows, south slope of Mount Shasta. 2407 Comment
  CAS-BOT-BC280784  Holcus lanatus Melissa A. Berry 1957-7-2 s.n. Siskiyou Fay Lane, Scott Valley 822 Comment
  HSC58952  Holodiscus discolor Marvin Butler 1971-7-29 240 Siskiyou Near Copper Camp, close to the town of Cave Junction 1464 Comment
  RSA11810  Holodiscus discolor Elmer I. Applegate 1923-9-7 3965 Siskiyou Rocky summit of the Siskiyou Mountains, above Dry Lake Ranger Station. Comment
  RSA181618  Holodiscus discolor Dorothy Parker 1950-8-6 489 Siskiyou Dry granite rocks, Salmon Mt. 1799 Comment
  RSA237612  Holodiscus discolor Frederick W. Oettinger 1968-9-8 787 Siskiyou Cliffs south of English Lake. Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1784 Comment
  CAS-BOT-BC152381  Holodiscus discolor var. discolor Geo. D. Butler 1910-7-6 1645 Siskiyou Shackleford Creek 914 Comment
  RSA714933  Holodiscus microphyllus var. glabrescens M. E. Fishbein, Doris Greer 2006-8-3 5874 Siskiyou S base of Medicine Lake Glass Flow, just N of Medicine Lake. 2070 Comment
  CAS-BOT-BC289281  Hordeum brachyantherum subsp. brachyantherum Alice Eastwood 1921-7-28 10937 Siskiyou Medicine Lake Comment
  CHSC61578  Hordeum brachyantherum subsp. californicum L. P. Janeway 1983-8-26 590 Siskiyou Siskiyou Mountains; at Poker Flat, upper part of the meadow. 1524 Comment
  POM352503  Hordeum marinum subsp. gussoneanum L. C. Wheeler 1934-6-22 2749 Siskiyou Cottonwood Creek; Siskiyou Mountains; Mt. Diablo Mer. 915 Comment
  JEPS44540  Horkelia daucifolia Geo. D. Butler 1909-5-8 713 Siskiyou e Yreka (Shasta Valley); Shasta Valley Comment
  UC485548  Horkelia daucifolia F. W. Hooper Apr. 1897 Siskiyou Little Shasta Comment
  JEPS102921  Horkelia daucifolia Thomas W. Nelson and Jane P. Nelson 1985-6-20 7848 Siskiyou near Scott Mountain Pass (Along FS road 40N08, .5 mi e of junction with SR 3); Scott Mountaio Comment
  CHSC69088  Horkelia fusca subsp. parviflora Vernon Oswald; Lowell Ahart 1997-7-28 8800 .1 Siskiyou Pumice Stone Well 0.2 mi south of Medicine Lake Rd. on Forest Route 15. At the edge of a meadow. 1905 Comment
  JEPS77496  Horkelia fusca subsp. parviflora Susan Horner 1978-6-30 397 Siskiyou About 4 mi s-se Hambone (on road between 40N05 and Sand Flat Well) 1280 Comment
  SEINET515837  Horkelia fusca subsp. parviflora Vernon Oswald 1997-7-28 8800 .1 Siskiyou Pumice Stone Well 0.2 mi. S of Medicine Lake Rd. on Forest Route 15. 1905 Comment
  UC136484  Horkelia fusca subsp. parviflora A. A. Heller 1905-6-17 8055 Siskiyou Sisson Comment
  JEPS113062  Horkelia fusca var. brownii Roy Buck 1987-6-3 624 Siskiyou White Deer Lake, ca 10 mi NE of Bartle on Hwy 89 Comment
  SBBG25898  Horkelia fusca var. parviflora D. Myrick 1966-8-9 1512 Siskiyou Mountain Meadow Ranch, Big Flat 1524 Comment
  CAS-BOT-BC536222  Horkelia fusca var. parviflora Alice Eastwood 1921-7-29 10981 Siskiyou Bear Spring on raod to Medicine Lake Comment
  CAS-BOT-BC514282  Horkelia fusca var. pseudocapitata A. A. Heller 1905-6-17 8055 Siskiyou Sisson - between Sisson and Barnard station. Comment
  CHSC870  Hosackia crassifolia V. Holt 1932-6-4 Siskiyou Spring Hill near Mt. Shasta City. 1127 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
  HSC71654  Hosackia oblongifolia var. oblongifolia J. P. Smith, Steve Selva 1970-6-15 3981 Siskiyou 1 mi. W of junction of Hwy. 3 and Rd. 8 leading to Sugar Creek 1159 Comment
  SEINET480179  Hulsea nana D. Wilken 1972-8-6 Siskiyou Summit of Cinder Cone (Cinder Butte), about 3 miles west of Mammoth Crater Comment
  HSC61785  Hydrophyllum occidentale Ruby Van Deventer 1960-7-13 Siskiyou Poker Flat 1585 Comment
  CDA8006  Hymenoxys lemmonii D. Jenott 1972-6-22 Siskiyou Parks Creek, Edgewood. 0 Comment
  RSA603492  Hymenoxys lemmonii L. C. Wheeler 1935-6-30 3638 Siskiyou Shasta Valley, 3 miles S of Grenada. 793 Comment
  HSC68559  Hypericum anagalloides Maralyn A. Renner 1980-6-26 1167 Siskiyou Flint Valley. 1390 Comment
  HSC69225  Hypericum anagalloides Maralyn A. Renner 1980-8-31 2619 Siskiyou Twin Valley. 1494 Comment
  SBBG25919  Hypericum anagalloides D. Myrick 1966-8-11 1536 Siskiyou Adams Lake, Mountain Meadow Ranch, Big Flat, Trinity Alps 1828 Comment
  UC618754  Hypericum anagalloides W. Bridge Cooke 1938-9-8 11654 Siskiyou Squaw Creek Heather Meadows and Panther Creek Heather Meadows Mt. Shasta, Squaw Creek Heather Meadows, Panther Creek Heath Comment
  RSA238857  Hypericum androsaemum Frederick W. Oettinger 1966-8-7 43 Siskiyou Mouth of Tom Taylor Cabin Spring. The Salmon Mountains. The High Lake Basins in the vicinity of English peak. Marble Mountain Wilderness Area. Comment
  RSA211252  Hypericum formosum var. scouleri William J. Ferlatte 1966-8-2 224 Siskiyou Big Flat. Hillside seep forming boggy meadow. Between campground and S. Fork of the Salmon R. 1524 Comment
  HSC29221  Hypericum perforatum Frederick W. Oettinger, R. F. Thorne 1969-8-8 1307 Siskiyou Marble Mtn. Wilderness Area, mid-way between English Lake main camp & Sundew Bog due W of camp 1799 Comment
  CAS-BOT-BC401468  Hypericum scouleri Laura M. Lathrop 1903-7-17 s.n. Siskiyou Sisson Comment
  HSC100267  Hypericum scouleri J. P. Smith, , J. O. Sawyer, & R. J. Cole 2010-8-7 13053 Siskiyou Klamath National Forest, road to Crater Lake off Forest Service Road 40N24. 1860 Comment
  CAS-BOT-BC401470  Hypericum scouleri W. R. Dudley 1899-8-13 s.n. Siskiyou Near Nabar Meadows, McCloud Comment
  UC643277  Iliamna bakeri W. Bridge Cooke 1940-7-12 15337 Siskiyou Mount Shasta, along the Memorial Highway Mount Shasta; , Memorial Highway 1463 Comment
  JEPS74449  Ipomopsis aggregata W. J. Ferlatte 1966-6-22 86 Siskiyou between the campground and Carter's Trinity Alps, South Fork of Salmon River 1524 Comment
  RSA792304  Ipomopsis aggregata Rebecca Wenk 2008-7-23 905 Siskiyou Southwest side of Mount Shasta, trail from Bunny Flat to Sierra Club Cabin above Avalanche Gulch. 2119 Comment
  UC133855  Ipomopsis aggregata E. B. Copeland 1903-4-15 3919 Siskiyou Mt. Shasta 2316 Comment
  UC195395  Ipomopsis aggregata A. A. Heller 1914-8-26 11720 Siskiyou Weed 1066 Comment
  UCD77784  Ipomopsis aggregata Robert E. Preston 2002-7-12 1910 Siskiyou Klamath National Forest, S slope of Rainbow Mountain 1798 Comment
  CHSC71882  Ipomopsis congesta subsp. congesta Vernon H. Oswald; Lowell Ahart 1998-9-8 9612 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
  HSC101402  Ipomopsis tenuifolia J. P. Smith, J. O. Sawyer, R. J. Cole 2010-8-7 13070 Siskiyou Klamath National Forest, road to Crater Lake off Forest Service Road 40N24. 2005 Comment
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Jul 13 2018
  RSA366802  Iris hartwegii E. Yale Dawson 1948-7-16 5099 -a Siskiyou Grass Lake; Margins of Grass Lake, a drying, vernal lake north of Mount Shasta 1524 Comment
  RSA150584  Iris tenuissima Lee W. Lenz 1961-6-21 24353 Siskiyou Rd to Panther Flat, Mt Shasta. 1585 Comment
  HSC100274  Isatis tinctoria J. P. Smith, , J. O. Sawyer, & R. J. Cole 2010-8-7 13069 Siskiyou Klamath National Forest, road to Crater Lake off Forest Service Road 40N24. 2005 Comment
  RSA184739  Isatis tinctoria Gilbert Muth 1966-7-5 349 Siskiyou Lovers Camp, Marble Valley, Marble Mtns. 1250 Comment
  HSC91421  Isoetes bolanderi Jennifer Whipple 1976-7-24 1536 Siskiyou Dale Creek drainage on the N face of Mt. Eddy 2195 Comment
  RSA237970  Isoetes bolanderi Frederick W. Oettinger 1969-9-1 1573 Siskiyou At Dry Lake. The Salmon Mtns. High Lake Basins in the vicinity of English Peak. Marble Mtn Wilderness Area. 2027 Comment
  RSA240088  Isoetes bolanderi Frederick W. Oettinger 1969-8-21 1474 Siskiyou Ethel Lake. Salmon Mtns. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1738 Comment
  HSC34656  Isoetes occidentalis Thomas W. Nelson, J. Sawyer 1974-10-29 1745 Siskiyou Submerged at margin of Little Duck Lake Comment
  CAS-BOT-BC109977  Juncus Melissa A. Berry 1957-7-6 s.n. Siskiyou Heather Lake near Salmon Mountain. 1981 Comment
  CHSC40151  Juncus balticus L. P. Janeway 1983-8-28 639 Siskiyou At Poker Flat, a meadow. Middle of lower portion of meadow. 1524 Comment
  CHSC91357  Juncus balticus Lowell Ahart; John Dittes 2005-6-9 12043 Siskiyou Meadow area along a small drainage, on the west side of a poor rock fence, about 280 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
  CHSC97977  Juncus balticus Jennifer Whipple 1976-7-2 1250 Siskiyou Klamath Mountains, Mount Eddy. Near Dobkins Lake. Along shore of lake. 2133 Comment
  HSC82374  Juncus balticus subsp. ater Thomas W. Nelson, Jane Nelson, J. P. Smith 1978-7-24 4527 Siskiyou Siskiyou-Trinity County line, head of Scott Mtn. Creek, S of Forest Service campground 1646 Comment
  JEPS66924  Juncus bufonius Geo. D. Butler 1908-7-9 874 Siskiyou near Yreka Comment
  UC75259  Juncus bufonius Copeland 1903-7-7 3555 Siskiyou Hornbrook Comment
  HSC30703  Juncus drummondii Frederick W. Oettinger 1968-8-2 360 Siskiyou Marble Mtn. Wilderness Area, E shore of Diamond Lake 2073 Comment
  RSA238901  Juncus drummondii Frederick W. Oettinger 1968-8-2 360 Siskiyou East shore of Diamond Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2073 Comment
  RSA577436  Juncus dubius L. C. Wheeler 1935-6-27 3619 Siskiyou Greenview, Scott Valley. 884 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
  HSC39871  Juncus exiguus J. O. Sawyer 1969-7-10 1213 Siskiyou N of Sugar Creek along FS Rd. 41N14 1372 Comment
  JEPS81651  Juncus hemiendytus var. hemiendytus L. R. Heckard with L. Constance and R. Ornduff 1969-6-24 2308 Siskiyou ca. 3 mi. n.e. Little Deer Mt.-The Whaleback Quad. (along rd. to Hoffman Mill, 1.2 mi from U.S. Hwy 97) 1554 Comment
  UCD141559  Juncus howellii J. M. Tucker 1950-7-24 1952 Siskiyou Beside Cold Creek at the Military Road crossing, about 6 miles northwest of Pilgrim Creek Experience Station, east side of Mt. Shasta. Comment
  UC1106413  Juncus mertensianus Peter Kamb 1949-8-25 1486 Siskiyou above Horse Camp (sw slope of Mt. Shasta); Mt. Shasta 2621 Comment
  UC618808  Juncus mertensianus unknown 1938-8-8 11475 Siskiyou above Horse Camp (along the Summit Trail); Mount Shasta, Horse Camp Springs, Summit Trail 2514 Comment
  UC1100994  Juncus nevadensis Herbert L. Mason 1948-7-18 13614 Siskiyou Grass Lake Comment
  RSA233689  Juncus nevadensis Robert F. Thorne, Frederick W. Oettinger 1969-8-10 38954 Siskiyou Mt. Shasta National Forest: S slope of Mt. Shasta, Panther Creek Meadows 2195 Comment
  RSA238907  Juncus nevadensis Frederick W. Oettinger, Robert F. Thorne 1969-8-6 1241 Siskiyou NNW of Pine Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1883 Comment
  POM110776  Juncus occidentalis Geo D. Butler 1910-7-9 1697 Siskiyou Shackleford Creek. 1220 Comment
  RSA14328  Juncus orthophyllus Elmer I. Applegate 1923-8-17 3837 Siskiyou Medicine Lake. Comment
  JEPS75886  Juncus parryi W. J. Ferlatte 1966-6-22 116 Siskiyou Josephine Lake basin Trinity Alps 1676 Comment
  CAS-BOT-BC80908  Juniperus Mrs. G. Earle Kelly 1924-6-1 s.n. Siskiyou Eagle ridge, Klamath L. Comment
  CAS-BOT-BC81142  Juniperus communis Louis C. Wheeler 1934-8-14 3123 Siskiyou Klamath National Forest, 1/2 mi. W. White. Mt. 1920 Comment
  RSA17905  Juniperus communis var. montana Doris K. Kildale 1929-8-23 8787 Siskiyou Bear Wallow, 2 miles north Sanger Peak 1372 Comment
  CAS-BOT-BC81222  Juniperus occidentalis L. E. Smith 1913-4-10 s.n. Siskiyou Yreka Comment
  CAS-BOT-BC81227  Juniperus occidentalis Mary Strong Clemens 1920-7-28 s.n. Siskiyou Yreka Comment
  HSC45854  Juniperus occidentalis J. P. Smith, Steve Selva 1970-8-8 4550 Siskiyou Juanita Lake Comment
  UC401376  Juniperus occidentalis Geo. D. Butler 1909-3-6 580 Siskiyou dry hill near Yreka Comment
  RSA6894  Juniperus occidentalis var. occidentalis Elmer I. Applegate 1932-4-15 7060 Siskiyou Scott Valley, east side Comment
  RSA68905  Kelloggia galioides A. E. Culbertson 1943-7-24 53 Siskiyou Castle Lake, 5434', in a N facing cirque with an abrupt 1000' backwall. 14 miles SW of Mt. Shasta on N side of a 6000' eastern spur of Trinity Mtns. 2000' above Sacramento River within 10 air miles of its headwaters to the W. Comment
  OBI55444  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
  POM147897  Lactuca canadensis J. B. Feudge 1927-7-22 1780 Siskiyou Mt. Shasta City 1067 Comment
  HSC5888  Lactuca serriola R. C. Wunner 1965-8-14 414 Siskiyou California Lava Beds National Monument; near old shoreline of Tule Lake 1220 Comment
  CAS-BOT-BC204928  Lathyrus Clarence R. Quick 1959-6-19 59 -07 Siskiyou 3 miles south of Four Corners on ridge south-east of Seiad Valley Comment
  HSC60784  Lathyrus delnorticus Ruby Van Deventer 1960-7-8 Siskiyou Bell Echo (Bell Echo Camp), in Youngs Valley Comment
  CDA4175  Lathyrus latifolius T. C. Fuller 1964-10-7 12684 Siskiyou ca. 1 mile southeast of Mt. Shasta City. 0 Comment
  JEPS104937  Lathyrus nevadensis var. nevadensis Dean W. Taylor 1996-6-18 15697 Siskiyou Scott Mountains; bordering Shasta Valley, hillslopes about 4 miles south of Gazelle; Shasta-Trinity National Forests 1249 Comment
  RSA3772  Lathyrus pauciflorus subsp. brownii A. A. Heller 1927-5-14 14378 Siskiyou About the base of black Butte near the western base of Mount Shasta. Comment
  RSA87133  Leersia oryzoides L. C. Wheeler 1934-9-16 3270 Siskiyou Walker, Klamath River 518 Comment
  HSC64057  Lepidium campestre J. P. Smith, Steve Selva 1970-7-17 4427 Siskiyou Along Klamath River. Comment
  CDA3796  Lepidium latifolium J. R. Grisham 1967-9-25 Siskiyou Indian Tom Lake, Dorris. 0 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
  SJSU8735  Leptosiphon harknessii M. D. Fleschner 1965-7-14 Siskiyou c. 4 mi W of Dead Horse Summit (c. 4 mi SE of Bartle on State Rte 89) 1219 Comment
  RSA238566  Leptosiphon nuttallii Frederick W. Oettinger 1969-9-5 1687 Siskiyou Next basin east of Salamander Pond, near Abbotts Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1905 Comment
  UC198722  Lesquerella occidentalis subsp. occidentalis Annie M. Alexander and L. Kellogg 1911-8-14 331 Siskiyou Mt. Eddy Comment
  JEPS17290  Lewisia columbiana unknown 1922-5-24 Siskiyou garden of Leonard Joss of Etna Mills Comment
  HSC69192  Lewisia cotyledon Maralyn A. Renner 1980-9-1 2696 Siskiyou Bear Mtn. 1936 Comment
  UC163731  Lewisia cotyledon var. cotyledon Geo. D. Butler 1909-7-20 460 Siskiyou Highland Mine Comment
  CAS-BOT-BC229458  Lewisia cotyledon var. heckneri Marion Ownbey; Ruth P. Ownbey 1938-7-19 1751 Siskiyou Summit of the Siskiyou Mountains 2 1/2 miles northwest of Dry Lake Lookout Comment
  UC1299365  Lewisia leeana Freed W. Hoffman 1951-7-15 4027 Siskiyou above Packers Valley; Marble Mountains 2133 Comment
  UCD13276  Lewisia leeana K. F. Mawdsley 1996-7-9 10 Siskiyou California, Siskiyou County. Russian Wilderness in Klamath NF. T40N, R9w, NW 1/4 of Section 19, Eaton Peak 7.5 topo. Elevation 6680. Comment
  CAS-BOT-BC444080  Lewisia leeana Lester Rowntree 1931-7-26 s.n. Siskiyou Caribou Lakes Comment
  HSC99206  Lewisia leeana J. O. Sawyer 1969-7-2 1033 Siskiyou NE facing slope near summit above Lipstick Lake 2226 Comment
  UC52210  Lewisia rediviva W. T. Mooney 1908-5-28 Siskiyou Yreka Comment
  HSC24052  Lewisia triphylla J. O. Sawyer 1971-7-2 2403 Siskiyou 1463 Comment
  UC803947  Leymus triticoides G. L. Stebbins Jr., P. Dansereau, K. Narayan, and C. McMillan 1949-8-8 4015 Siskiyou 2.5 mi s Grenada (along railroad right-of-way) 792 Comment
  HSC34295  Ligusticum californicum J. P. Smith, J. O. Sawyer 1973-8-14 7289 Siskiyou Along trail from Log Lake to Campbell Lake 1677 Comment
  UC165764  Ligusticum grayi Geo. D. Butler 1908-8-11 459 Siskiyou Shackleford Creek near Quartz Valley; Shackleford Creek Comment
  UC875079  Ligusticum grayi A. A. Heller 1915-8-26 12237 Siskiyou Mt. Eddy 1828 Comment
  CDA38347  Ligusticum grayi Gordon Leppig, Jennifer Kalt 1996-7-9 372 Siskiyou Northern California Peatlands; Klamath National Forest, Russian Wilderness, Little Duck Lake Fen, in cirque west of Little Duck Lake. Comment
  HSC29247  Lilium kelleyanum Frederick W. Oettinger 1968-8-6 420 Siskiyou Marble Mtn. Wilderness Area, SE corner of Hancock Lake 1905 Comment
  CAS-BOT-BC509384  Lilium kelleyanum A. A. Heller 1905-6-13 s.n. Siskiyou Near Shasta Springs Comment
  CAS-BOT-BC130821  Lilium pardalinum Lillian Mott 1977-7-4 27 LM76 Siskiyou Between Seiad Valley and Cook and Green Pass, at Horse Tail Falls 1219 Comment
  POM109713  Lilium pardalinum subsp. vollmeri Geo D. Butler 1910-6-6 1454 Siskiyou Quartz Valley Comment
  HSC101482  Lilium pardalinum subsp. wigginsii J. P. Smith, J. O. Sawyer 2011-7-21 13034 Siskiyou Near Dillon Camp 1358 Comment
  UC61185  Lilium washingtonianum subsp. washingtonianum W. A. Setchell, C. C. Dobie 1902-7-16 Siskiyou Sisson; Mount Shasta Comment
  CAS-BOT-BC133107  Lilium washingtonianum subsp. washingtonianum Albert Vollmer 1949-7-5 10 -A Siskiyou Base of Mount Shasta Comment
  JEPS95776  Linanthus bolanderi J. C. Game 1999-7-4 99 -51 Siskiyou about seven miles NNE of Seiad Valley (Copper Butte, W of summit, E of and above Cook and Greene Pass) Comment
  CDA6301  Linaria genistifolia subsp. dalmatica T. C. Fuller 1958-6-19 1798 Siskiyou South of road to Montague, 1.5 miles east of Yreka. 0 Comment
  POM319162  Linum lewisii Patricia Wilder 1965-9-29 4200 Siskiyou Lava Beds National Monument on path up to top of Schonchin Butte. Clear Lake Reservoir drainage area. 1372 Comment
  UC1190127  Listera convallarioides Ira L. Wiggins 1955-7-23 13470 Siskiyou China Creek 1097 Comment
  SEINET13954119 Image available Lithocarpus densiflorus A. A. Heller 1915-1 12248 Siskiyou Wagon creek at foot of Mt. Eddy 1128 Comment
  HSC36949  Lithophragma glabrum J. P. Smith 1974-5-26 7565 Siskiyou Along FS Rd. 47N03 1524 Comment
  CDA25417  Lithophragma glabrum F. D. Horn 1978-4-9 Siskiyou Horn Ranch near Etna. 0 Comment
  HSC22237  Lithophragma heterophyllum J. O. Sawyer 1969-7-11 863 Siskiyou Ravine above C.C.C. road. 1280 Comment
  SBBG30540  Lithophragma parviflorum D. Myrick 1968-6-25 2010 Siskiyou Mountain Meadow Ranch, Big Flat, head of Coffee Crk; Trinity Alps 1524 Comment
  CAS-BOT-BC283562  Lolium multiflorum Geo. D. Butler 1909-9-5 864 Siskiyou Near Yreka Comment
  UC1400382  Lomatium dissectum var. multifidum Frederick W. Oettinger 1969-7-9 946 Siskiyou slope NW of Upper English Lake, high lake basins in the vicinity of English Peak Salmon Mountains, Marble Mountain Wilderness Area, western S 1844 Comment
  UC726881  Lomatium macrocarpum A. A. Heller 1925-6-25 13894 Siskiyou State Hwy. 3 mi. n. Mt. Shasta Comment
  POM82364  Lomatium macrocarpum Geo. D. Butler 1910-5-4 1275 Siskiyou Dry hill, Yreka. Comment
  POM265882  Lomatium peckianum Lincoln Constance, Reed Rollins 1942-5-14 2918 Siskiyou 1 mile E of Yreka 762 Comment
  CDA38460  Lomatium triternatum var. macrocarpum T. C. Fuller 1958-6-19 1889 Siskiyou Tom Williams property, 4 miles northeast of Montague. 0 Comment
  RSA105386  Lonicera conjugialis G. D. Barbe 1955-7-6 130 Siskiyou SE shore of Taylor Lake, Salmon Mtns. 1951 Comment
  UC630399  Lonicera conjugialis Annetta Carter 1939-8-21 1478 Siskiyou 12 mi sw of Etna (above se end of Taylor Lake); Salmon Mountains 2072 Comment
  CAS-BOT-BC198578  Lotus Elizabeth McClintock; Wayne Roderick; Martha Roderick 1967-7-29 131 Siskiyou Road to Mumbo Basin, Trinity Mts. 1962 Comment
  SEINET3523666 Image available Lotus A. A. Heller 1927-8-2 14439 Siskiyou Shasta Valley Comment
  JEPS75660  Lotus crassifolius var. crassifolius Geo. D. Butler 1909-5-31 775 Siskiyou Humbug Creek Comment
  POM27164  Lotus denticulatus Geo. D. Butler 1910-6-27 1610 Siskiyou Yreka Creek. Comment
  UC204724  Lotus purshianus var. purshianus A. A. Heller 1914-8-25 11701 Siskiyou near Deetz Station 1158 Comment
  RSA211466  Luetkea pectinata William J. Ferlatte 1966-8-5 343 Siskiyou Caribou Mtn., Open granite slopes and ridges. Near summit. 2470 Comment
  OBI55450  Lupinus David J. Keil 1992-7-20 23508 Siskiyou Klamath Natl Forest, SW of Fort Jones. Along Forest Rd 46N64, 7.4 mi W of Scott river Rd 800 Comment
  RSA119499  Lupinus C. P. Smith 1947-5-13 47269 Siskiyou 2.6 miles east of Weed. Highway 97. Comment
  LA205033  Lupinus albicaulis Wm. Bridge Cooke; 1940-7-12 15329 Siskiyou Memorial Highway near the Mt. Shasta High School 1097 Comment
  CAS-BOT-BC195971  Lupinus albifrons var. albifrons Charles Piper Smith 1949-4-22 49130 Siskiyou Highway 99 - Hornbrook - West Cottonwood Creek Bridge Comment
  SD116273  Lupinus albifrons var. collinus D. B. Dunn, B. J. Cox 1971-6-9 17937 Siskiyou 9.0 miles north of Weed, on U. S. Highway 97, at Whitney Creek. 1250 Comment
  SEINET10484556  Lupinus albifrons var. flumineus Melvin L. Conrad, Douglas G. LeDoux; Patricia L. Kenney 1973-6-2 Conrad 6974 Siskiyou Western yellow pine, libocedrus, douglas fir forest, 6 miles sw of callahan 1524 Comment
  CAS-BOT-BC196327  Lupinus albifrons var. flumineus Charles Piper Smith 1949-4-22 49133 Siskiyou Highway 99 - Chafron Auto Camp, Klamath River Canyon Comment
  UC1542837  Lupinus andersonii K. Morris, Dunn and Kenney 1973-5-25 272 Siskiyou 20.7 mi E of McCloud on Highway 89. Comment
  UCD106798  Lupinus argenteus var. argenteus J. M. Tucker 1950-7-24 1960 Siskiyou outskirts of Dorris. Comment
  RSA91209  Lupinus argenteus var. argenteus F. W. Peirson 1923-7-19 3609 Siskiyou Lairds Landing. Comment
  CAS-BOT-BC196377  Lupinus argenteus var. heteranthus Alice Eastwood; John Thomas Howell 1934-4-20 1757 Siskiyou Near Yreka, along Shasta River Comment
  OBI59150  Lupinus bicolor Rhonda Riggins 1993-6-16 1686 Siskiyou Vacant lot at Main St and Lawrence Dr, Yreka Comment
  CAS-BOT-BC196695  Lupinus breweri var. breweri Elmer I. Applegate 1923-9-7 3967 Siskiyou Dry Lake Lookout Station, Doggett Ridge, south slope of the Siskiyou Mountains Comment
  HSC81548  Lupinus croceus Thomas W. Nelson, Jane P. Nelson 1980-7-21 6155 Siskiyou Along F.S. Rd. 40N08, .25 mi. from jct. with State Route 3. 1646 Comment
  SBBG122855  Lupinus croceus B. Ertter 1990-7-14 9330 Siskiyou Wagon Crk, E side of Mt Eddy, ca. 4 air-mi W of Mt Shasta City 1889 Comment
  RSA47662  Lupinus croceus var. pilosellus Roxana S. Ferris 1948-6-12 s.n. Siskiyou At Mule Creek crossing of Scott Mountain Road. 1524 Comment
  SEINET10485424  Lupinus klamathensis Jeffrey Huber 1971-6-9 Huber 258 Siskiyou 3 mi. N of weed, on us hwy 97; s facing 20 degree slope; roadside; in pinus Ponderosa, p. Jeffreyi, and artemisia tridentata and purshia. 1128 Comment
  HSC92404  Lupinus lapidicola Jennifer Whipple 1976-6-11 965 Siskiyou S face of Mount Eddy draining into the N Fork of the Sacramento River 2195 Comment
  RSA237934  Lupinus latifolius subsp. viridifolius Frederick W. Oettinger 1969-7-13 1006 b Siskiyou The High lake Basins in the vicinity of English Peak Marble Mountain Wilderness Area, slope north of Upper English Lake. 1951 Comment
  UC454628  Lupinus lepidus var. sellulus I. J. Condit 1911-7-15 Siskiyou McCloud Comment
  HSC14841  Lupinus leucophyllus Dorothy Parker 1949-6-16 322 Siskiyou Along the Etna-Callahan Rd., Scott Valley 869 Comment
  RSA166007  Lupinus leucophyllus Donald Myrick 1961-6-21 314 Siskiyou Siskiyou county: on Deer Camp road above oak Knoll Ranger Station on Klamath River 19 miles W of Hwy 99. 1738 Comment
  SEINET10485529  Lupinus leucophyllus var. belliae Melvin L. Conrad, Douglas G. LeDoux; Patricia L. Kenney 1973-6-2 Conrad 6978 Siskiyou Wester yellow pine, libocedrus, douglas fir forest, 6 mi. Sw of callahan. 1524 Comment
  CHSC20640  Lupinus luteolus Robert A. Schlising 1963-6-6 2609 Siskiyou Along road to Hilt from Hwy. 99, in northern part of county. 914 Comment
  UC1481908  Lupinus nanus K. Morris, Conrad and Dunn 1973-6-2 372 Siskiyou onwy 3 along roadside 0.7 mi s of junction at Etna Road Comment
  RSA233670  Lupinus obtusilobus Robert F. Thorne, Fred Oettinger, K. Thorne 1969-8-10 38990 Siskiyou Mt. Shasta National Forst: S slope of Mt. Shasta. 2439 Comment
  RSA32811  Lupinus obtusilobus A. A. Heller 15765 Siskiyou About Horse Camp, Mt. Shasta. 2439 Comment
  UC60976  Lupinus obtusilobus Geo. B. Grant Sept. 1902 5090 Siskiyou Horse Camp; Mt. Shasta 2438 Comment
  RSA414230  Lupinus polyphyllus subsp. superbus M. B. Dunkle 1945-08 9294 Siskiyou Klamath National Forest Marble Mts. Comment
  RSA582436  Lupinus rivularis Louis C. Wheeler 1935-7-26 3707 Siskiyou Siskiyou Mts.; Jaynes Canyon 1951 Comment
  HSC92405  Lupinus sellulus subsp. ursinus Jennifer Whipple 1977-7-20 1979 Siskiyou South face of Mt. Eddy. 2470 Comment
  HSC76486  Lupinus sellulus var. lobbii B. J. Cox, D. B. Dunn 1971-6-9 2807 Siskiyou 11 mi. N of Weed, on Hwy. 97 1250 Comment
  SEINET10937145  Lupinus sellulus var. lobbii Billy Joe Cox, David B. Dunn 1971-6-9 Cox 2808 Siskiyou 3 mi n of weed, on u.s. Hwy 97. S-facing 20 degree slope; roadside; in pinus Ponderosa, p. Jeffreyi, and artemisia tridentata, and purshia. 1128 Comment
  SD46405  Lupinus sellulus var. ursinus E. K. Balls, L. W. Lenz 1956-6-18 21799 Siskiyou 7.5 miles southeast of Weed, U. S. Highway 99. 1219 Comment
  UC1483487  Lupinus tracyi Maralyn A. Renner 1980-6-26 1213 Siskiyou se edge Flint Valley; Klamath National Forest, Dillon Mtn. Quad., Flint Valley 1389 Comment
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Oct 13 2011
  CAS-BOT-BC436707  Luzula comosa var. laxa Melissa A. Berry 1957-7-4 s.n. Siskiyou High CCC Road, south of Hwy. 96, between Ridge and Humbug roads 1371 Comment
  CHSC111640  Luzula comosa var. laxa Peter F. Zika 2009-8-16 24597 Siskiyou Damp meadows near north end of Juanita Lake, over basalt, partial shade, Forest Sevrice Road 46N04. 1550 Comment
  HSC2419  Luzula divaricata William J. Ferlatte 1966-8-5 348 Siskiyou Caribou Mtn. 2470 Comment
  HSC67019  Luzula divaricata J. P. Smith, J. O. Sawyer, Maralyn O'Meara 1972-7-4 5741 Siskiyou 2.6 mi. S of Sugar Creek on Parrott Mill Rd. 1341 Comment
  JEPS40872  Luzula parviflora Paul C. Hutchison 1962-8-2 932 Siskiyou between Panther Meadow and top ski lift; Mount Shasta, bet Panther Meadow and top ski lift 2743 Comment
  UCD142171  Luzula parviflora J. M. Tucker 1963-8-19 3779 Siskiyou Marble Mountain Wilderness Area, headwaters of Canyon Creek. 1950 Comment
  HSC18965  Luzula parviflora J. O. Sawyer 1969-8-5 1952 Siskiyou Alluvial terrace above the S fork of Sugar Creek 1814 Comment
  HSC42948  Luzula spicata J. O. Sawyer, K. T. Stillman 1976-7-1 2768 Siskiyou Streamside terraces and lower slopes along the Little N Fork of the Salmon River. 732 Comment
  UCR131619  Lycium barbarum L. C. Wheeler 1934-11-4 3356 Siskiyou Marble Mtns, Scott Bar, Scott River 518 Comment
  RSA0015089  Lythrum californicum Louis C. Wheeler 1934-10-11 3316 Siskiyou Oak Knoll Ranger Station, Klamath River, Siskiyou Mountains. 671 Comment
  RSA215639  Machaeranthera canescens var. shastensis Gilbert Muth 1969-8-8 1302 Siskiyou Boulder Peak Ridge 2287 Comment
  SEINET11806038  Madia bolanderi C. G. Pringle 1882-1 s.n. Siskiyou about Mt. Shasta Comment
  CAS-BOT-BC342669  Madia citriodora K. L. Chambers 1967-6-22 2845 Siskiyou Siskiyou Mountains. Rocky knoll about 500 ft. above and east of the freeway (Hwy. 5) at the Hilts exit, Siskiyou Pass 1097 Comment
  CAS-BOT-BC7469  Madia citriodora Edward Lee Greene 1876-1-1 s.n. Siskiyou Yreka Comment
  JEPS40340  Madia elegans Duncan Dunning 1922-6-5 Siskiyou nw of Fort Jones; Moffett Creek Comment
  CAS-BOT-BC344008  Madia elegans Louis C. Wheeler 1934-9-18 3280 Siskiyou Klamath National Forest. Klamath River 548 Comment
  SD76182  Madia elegans subsp. densifolia Helen V. Witham 1969-10-7 572 Siskiyou Scott River, 10 miles west of Fort Jones 700 Comment
  CDA8243  Madia exigua G. D. Barbe, J. T. Howell, T. C. Fuller 1980-5-2 2773 Siskiyou Northwest point of Chaparral Hill overlooking Scott River, 2 miles (3.2 km) west of Fort Jones on Lighthill Grade Road. Comment
  JEPS40350  Madia gracilis Willis L. Jepson Jul 24 1894-Aug 10 1894 Siskiyou Sissons to Simms; Region of the Upper Sacramento Comment
  UC165394  Madia gracilis Geo. D. Butler 1909-6-12 952 Siskiyou near road<?> Greenhorn Mountain Comment
  RSA11146  Madia gracilis subsp. gracilis C. B. Wolf 1934-7-6 5981 Siskiyou 1/4 mile east of Mt. Shasta City 1067 Comment
  POM31723  Madia gracilis subsp. gracilis Edward Palmer 1892-7-13 2557 -a Siskiyou Mt. Shasta and vicinity. Comment
  HSC69768  Maianthemum racemosum subsp. amplexicaule Maralyn A. Renner 1980-6-26 1275 Siskiyou Klamath National Forest, ridge along FS Rd. 15N01, 1 mi. N of Flint Valley. 1494 Comment
  HSC18983  Maianthemum stellatum J. O. Sawyer 1969-7-18 1385 Siskiyou Near South Russian Creek 1890 Comment
  CAS-BOT-BC140197  Malus rivularis C. H. M. 1919-9-24 s.n. Siskiyou Klamath Canyon, mouth of Shovel Creek Comment
  UC618755  Malva neglecta W. Bridge Cooke 1938-8-21 11550 Siskiyou in front yard of Shasta Alpine Lodge, Horse Camp Shasta Alpine Lodge; , Horse Camp 1524 Comment
  HSC46144  Malva neglecta J. P. Smith, Steve Selva 1970-8-9 4580 Siskiyou In potato fields W of Macdoel. Comment
  HSC6017  Matricaria discoidea R. C. Wunner 1965-6-29 309 Siskiyou California Lava Beds National Monument; Indian Wells Campground, lower loop 1433 Comment
  CAS-BOT-BC105074  Melica aristata R. C. Wenk 2008-7-24 916 Siskiyou SW side of Mount Shasta, growing by side of road, Everitt Memorial Highway 1676 Comment
  SEINET10599300  Melica aristata A. Arthur Heller 1921-7-5 Heller 13563 Siskiyou Sandy soil about shrubs near the State Teachers College grounds, near the town of Mt. Shasta. Yellow pine belt. Comment
  HSC26105  Melica bulbosa J. P. Smith, J. O. Sawyer, Marilyn O'Meara 1972-7-3 5674 Siskiyou E slope of Kangaroo Mtn. above Toehead Lake. 1890 Comment
  UC1026900  Melica bulbosa W. Bridge Cooke 1940-7-5 15296 Siskiyou above Wagon Camp; Mount Shasta Comment
  CHSC61579  Melica fugax L. P. Janeway 1983-8-28 630 Siskiyou Siskiyou Mountains; at Poker Flat, western side of meadow. 1524 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
  UC144807  Melica harfordii A. A. Heller 1905-6-1 7935 Siskiyou between Upper Soda Spring and Shasta Retreat Comment
  CAS-BOT-BC281388  Melica harfordii Doris K. Kildale 1928-6-24 5276 Siskiyou Entrance to Horse Mountain 914 Comment
  HSC15854  Mentzelia congesta R. C. Wunner 1965-6-6 52 Siskiyou California Lava Beds National Monument, Indian Well Campground 1433 Comment
  UCD117380  Mentzelia montana Dorothy Parker 1967-5-14 s.n. Siskiyou McConahue Gulch, Scott Valley. 1127 Comment
  UCD13283  Micranthes bryophora K. F. Mawdsley 1996-7-10 16 a Siskiyou California, Siskiyou County. Little Castle Lake, Seven Lakes Basin 7.5 topo. Comment
  SEINET3416626 Image available Micranthes ferruginea Rimo Bacigalupi, Lincoln Constance & L. Heckard 1960-7-20 7448 Siskiyou Siskiyou Mountains; Poker Flat (about 12 air miles northwest of Happy Camp) 1524 Comment
  CAS-BOT-BC429157  Micranthes odontoloma Annie M. Alexander; Louise Kellogg 1949-7-24 5859 Siskiyou Trail to Bear Lake, Paradise Lake, Marble Mountains. 1920 Comment
  CHSC102574  Micranthes tolmiei L. P. Janeway 2009-8-4 9898 Siskiyou High Cascade Range. Mt. Shasta, north slope, 3.7 air km south-southwest of Northgate Trailhead. 2784 Comment
  LA208999  Micranthes tolmiei Wm. Bridge Cooke; 1939-7-13 Siskiyou Mount Shasta, N side of Red Butte 2499 Comment
  HSC46230  Micropus californicus var. californicus Jennifer Whipple 1978-6-5 2341 Siskiyou Weston Gulch in Scott Valley 854 Comment
  UC1185945  Microseris laciniata subsp. laciniata L. E. Detling 1950-6-11 6635 Siskiyou Siskiyou Pass 1127 Comment
  UC165388  Microseris laciniata subsp. siskiyouensis Geo. D. Butler 1909-6-23 958 Siskiyou Goosenest Mountain; foothills Comment
  CAS-BOT-BC349378  Microseris nutans Ira L. Wiggins 1955-7-27 13520 Siskiyou Caribou Lake, Salmon-Trinity Alps Primitive Area 2042 Comment
  HSC22287  Microseris nutans J. O. Sawyer 1969-8-4 1811 Siskiyou Above Sugar Lake 2134 Comment
  POM208263  Microsteris gracilis subsp. humilis L. C. Wheeler 1934-6-7 2650 Siskiyou Siskiyou Mountains: Hungry Creek Lookout. 1502 Comment
  HSC416  Mimulus guttatus William J. Ferlatte 1966-8-2 225 Siskiyou 3 mi. S of Big Flat 1585 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
  JEPS10936  Mimulus moniliformis Willis L. Jepson Jul 24 1894-Aug 10 1894 43 m Siskiyou near Sisson; Upper Sacramento Region Comment
  SBBG19766  Mimulus moschatus H. and M. Dearing 1938-6-29 2188 Siskiyou Wagon Camp, Mt Shasta 1828 Comment
  UCD122803  Mimulus moschatus J. M. Tucker; D. V. Hemphill 1974-7-27 4305 Siskiyou at edge of Haypress Creek, Haypress Meadows, Marble Mountain Wilderness Area. 1463 Comment
  RSA447997  Mimulus moschatus M. B. Dunkle 1944-7-1 9061 Siskiyou Smoky Crk., Siskiyou Natl' Forest. Comment
  HSC82262  Mimulus nanus var. jepsonii Thomas W. Nelson, Jane P. Nelson 1980-7-5 5979 Siskiyou Fowler's Campground 1006 Comment
  RSA165529  Mimulus nanus var. nanus Clare B. Hardham 1961-6-30 8030 Siskiyou Mud Springs. 1829 Comment
  UC454789  Mimulus primuloides I. J. Condit 1909-8-22 Siskiyou Sisson Comment
  HSC91003  Mimulus primuloides var. linearifolius Jennifer Whipple 1976-9-3 1781 Siskiyou Mt. Eddy, W-facing slope of the ridge between Durney Lake and Little Crater Lake 2287 Comment
  POM43846  Mimulus primuloides var. pilosellus Geo. D. Butler 1910-7-9 1699 Siskiyou Shackleford Creek. 1220 Comment
  HSC82583  Minuartia douglasii Thomas W. Nelson, Jane P. Nelson 1979-5-26 4708 Siskiyou Along Hwy. 3, N of Scott Mtn. Summit, at junction with FS Rd. 40N03 1524 Comment
  CAS-BOT-BC388884  Minuartia douglasii Louis C. Wheeler 1934-6-4 2640 Siskiyou Klamath National Forest. Nigger Gulch 1066 Comment
  CAS-BOT-BC105083  Minuartia nuttallii subsp. gregaria R. C. Wenk 2008-7-25 948 Siskiyou Road to Kangaroo Lake, 4.3 miles S of turnoff from Gazelle-Callahan Rd. 1615 Comment
  CHSC75696  Minuartia nuttallii subsp. gregaria Vernon H. Oswald; Lowell Ahart 1999-7-2 9821 Siskiyou Hwy. 3 on Scott Mtn. 5.9 mi southeast of Gazelle-Callahan Hwy., 0.6 mi northwest of the highway summit. On a roadcut. 1569 Comment
  HSC69000  Minuartia nuttallii subsp. gregaria Maralyn A. Renner 1980-7-28 2163 Siskiyou Above Pacific Crest Trail, near ridge 1799 Comment
  SEINET4856155  Minuartia stolonifera Unknown 1985-6-19 7839 Siskiyou Along south side of State Rt. 3, 3.1 m N of Scott Mountain Pass. 1220 Comment
  CHSC96407  Mitella caulescens L. P. Janeway 2006-7-1 8723 Siskiyou Klamath Ranges. Salmon Mountains; just west of Carter Meadow, north side of South Fork Salmon River. 1579 Comment
  UC530062  Mitella diversifolia Louis C. Wheeler 1934-7-12 2899 Siskiyou Cottonwood Creek Siskiyou Mts. 1066 Comment
  CAS-BOT-BC433070  Mitella trifida Gilbert Muth 1965-8-18 s.n. Siskiyou Trail behind Blk. Mt. Comment
  SEINET12219614  Mitella trifida H. P. Chandler 1901-1 1555 a Siskiyou near Marble Mountain 1829 Comment
  HSC36943  Moehringia macrophylla J. P. Smith 1974-5-26 7563 Siskiyou Along FS Rd. 47N03 1524 Comment
  SBBG6452  Monardella odoratissima H. and M. Dearing 1939-7-2 3798 Siskiyou Etna-Salmon divide 1828 Comment
  SD88485  Monardella odoratissima subsp. glauca Darley F. Howe 1972-7-5 Siskiyou Near state line on Oregon to Happy Camp road. 1707 Comment
  UC164003  Monardella odoratissima subsp. glauca Geo. D. Butler 1908-7-12 168 Siskiyou Humbug Mountain Comment
  UC722274  Monardella odoratissima subsp. glauca C. L. Hitchcock, J. S. Martin 1939-7-6 5213 Siskiyou Takilma-Happy Camp road 1676 Comment
  SEINET844328  Monardella odoratissima subsp. glauca Marion Ownbey, Fred G. Meyer 1940-1 2182 Siskiyou in sandy soil in open meadow well below timber line on east side of Mt. Shasta Comment
  CAS-BOT-BC220369  Monardella odoratissima subsp. pallida A. A. Heller 1905-6-13 8018 Siskiyou Shasta Springs Comment
  CAS-BOT-BC222179  Monardella odoratissima subsp. pallida Gilbert Muth 1965-8-3 s.n. Siskiyou Marble Valley Comment
  SEINET10582084  Monardella odoratissima subsp. pallida A. Graff 1993-7-24 Graff 349 Siskiyou Mt. Shasta National Forest, Mt. Shasta. Memorial Hwy. from the 2nd road to Sand Flats going down the Mt., on both sides of the road. Locally frequent at the edge of mixed conifer forest of Abies magnifica, A. concolor, Pinus ponderosa, Pseudotsuga menziesii, Calocedrus decurrens, with Ceanothus sp., Arctostaphylos uva-ursi and A. sp. Comment
  CAS-BOT-BC26176  Monardella ovata H. E. Brown 1897-6-1 381 Siskiyou near Sisson 1082 Comment
  HSC60798  Monardella purpurea Ruby Van Deventer 1960-7-7 Siskiyou Bell Echo Camp in Youngs Valley Comment
  JEPS83877  Monardella purpurea Wayne Roderick July 1986 Siskiyou Vicinity Cook and Green Pass, along trail to Lily Pad lake. Siskiyou Mts. 1463 Comment
  CAS-BOT-BC220228  Monardella sheltonii A. M. Vollmer; L. Beane 1951-6-2 43 Siskiyou Klamath River Highway, betw. U.S. 99 & Gottville Comment
  RSA0022798  Monardella villosa Louis C. Wheeler 1934-6-9 2664 Siskiyou Klamath River between Dutch Creek and Deadman Gulch. 671 Comment
  CAS-BOT-BC445110  Montia linearis L. E. Smith 1913-4-22 94 Siskiyou Yreka Comment
  SEINET10596045  Muhlenbergia asperifolia George D. Butler 1910-8-21 Butler 1848 Siskiyou Damp soil, Shasta Valley. Comment
  HSC92502  Muhlenbergia filiformis Jennifer Whipple 1977-8-5 2171 Siskiyou Mt. Eddy, Wagon Creek drainage near Wagon Creek 2287 Comment
  UC1625408  Muhlenbergia filiformis F. W. Oettinger 1968-8-22 592 Siskiyou on ridge between Diamond Lake and English Peak; Salmon Mountains 2194 Comment
  UCD86588  Muhlenbergia filiformis Rimo Bacigalupi; Mr. and Mrs. Van Deventer 1959-7-10 7308 Siskiyou Meadow at Twin Valley, Siskiyou Mts., just east of Del Norte Co. line; 4 air-line miles NNE of Preston Peak; watershed of Indian Creek. 1493 Comment
  UCD86594  Muhlenbergia filiformis Beecher Crampton 1956-8-21 3822 Siskiyou Siskiyou County, 0.25 mile northeast of Gumboot Lake. 1828 Comment
  RSA45312  Myosotis scorpioides Dorothy Parker 1946-6-6 3 Siskiyou (Etna) Scott Valley. 897 Comment
  JEPS105222  Myosurus minimus subsp. major Dean W. Taylor 1995-6-4 14963 Siskiyou 2 miles southeast of Montague; Shasta Valley Wildlife Management Area; Little Shasta River 853 Comment
  JEPS69760  Nama densa W. B. and V. G. Cooke 1972-6-30 45415 Siskiyou Military Pass Road above Andesite Crossing (Mt. Shasta); , above Andesite Crossing Comment
  CHSC28790  Nama lobbii J. D. Prouty 1979-8-22 7908221 Siskiyou E slopes of Mt. Shasta. 1950 Comment
  CAS-BOT-BC515775  Narthecium californicum Dorothy Parker 1959-7-20 735 Siskiyou Below Rock Fence Lake 1828 Comment
  SEINET14055717  Navarretia capillaris L. C. Wheeler 1935-7-26 3699 Siskiyou Jaynes Canyon, Siskiyou Mts. 1951 Comment
  POM75064  Navarretia divaricata Geo D. Butler 104 Siskiyou West Fork of Wooley Creek 1677 Comment
  UC1094397  Navarretia intertexta Rimo C. Bacigalupi with Galen Smith 1957-6-26 5933 Siskiyou ca 2 mi n Weed (along Highway 99) 1036 Comment
  UC1191634  Navarretia sinistra Herbert L. Mason 1948-7-17 13597 Siskiyou Eastern Grass Lake Comment
  RSA148670  Navarretia sinistra Clare B. Hardham 1961-7-3 8114 Siskiyou Scott Mountain south of Calahan. Comment
  RSA297047  Navarretia sinistra John F. Emmel 1974-7-16 511 Siskiyou Along Clear Creek, Youngs Valley 1402 Comment
  UC24281  Nemophila parviflora var. austiniae Harley P. Chandler June, 1901 1706 Siskiyou near Marble Mountain; North Coast Ranges, near Marble Mountain 1981 Comment
  CAS-BOT-BC230557  Nemophila parviflora var. austiniae A. A. Heller 1919-6-20 13257 Siskiyou Metcalf's Ranch, NE base of Mount Eddy 1158 Comment
  JEPS87825  Nepeta cataria Vernon H. Oswald and Lowell Ahart 1994-8-1 6445 Siskiyou near Weed (Old Highway 99, just s of Stewart Springs Rd) 923 Comment
  UC195220  Nicotiana quadrivalvis Annie M. Alexander and Louise Kellogg 1911-6-13 132 Siskiyou 6 mi nw Callahan Comment
  CAS-BOT-BC60581  Noccaea fendleri subsp. glauca Geo. D. Butler 1910-6-4 1503 Siskiyou Shackleford Creek. Comment
  HSC34294  Noccaea fendleri subsp. glauca J. P. Smith, J. O. Sawyer 1973-8-14 7288 Siskiyou Along trail from Log Lake to Campbell Lake 1585 Comment
  UC2013020  Noccaea fendleri subsp. glauca Barbara Ertter 1990-7-14 9337 Siskiyou Wagon Creek on E side of Mt. Eddy, ca. 4 air miles W of Mt. Shasta City. Comment
  CAS-BOT-BC60570  Noccaea fendleri subsp. glauca Alice Eastwood 1923-5-23 11929 Siskiyou Cantara. Southern Pacific RailRoad. Comment
  HSC92177  Nothocalais alpestris Jennifer Whipple 1977-7-22 2056 Siskiyou Dale Creek drainage on N face of Mt. Eddy. 2195 Comment
  RSA184704  Nothocalais alpestris Gilbert Muth 1966-7-14 389 Siskiyou Flat above Marble Valley, Marble Gap Trail, Marble Mountains. 1829 Comment
  RSA14377  Nothochelone nemorosa Elmer I. Applegate 1923-9-7 3959 Siskiyou Dry Lake Lookout Station; Doggett Ridge, Siskiyou Mountains, Klamath River watershed. Comment
  UC1238906  Nothochelone nemorosa Freed W. Hoffman 1950-7-11 3494 Siskiyou Cedar Camp Road 30.1 mi from Klamath Highway (western Siskiyou County); North Coast Ranges, Cedar Camp Road Comment
  SACT001618  Notholcus lanatus G. Kimber 1934-6-9 Siskiyou .15 mile above junction with Sacramento River. Comment
  UC630393  Nuphar lutea subsp. polysepala Annetta Carter 1939-8-20 1462 Siskiyou 12 mi sw of Etna (Salmon Mountains, nw end of Taylor Lake); Salmon Mountains, Taylor Lake 2026 Comment
  HSC29331  Nuphar polysepala Frederick W. Oettinger 1968-9-3 672 Siskiyou Marble Mtn. Wilderness Area, N end of Horse Range Lake 1829 Comment
  CDA38151  Oenothera deltoides subsp. piperi T. C. Fuller 1960-6-3 4647 Siskiyou Mt. Hebron Road & Highway 97, 2 miles west of Mt. Hebron. 0 Comment
  CHSC91259  Opuntia fragilis Lowell Ahart; John Dittes 2005-6-10 12101 Siskiyou Hillside, north of the rock fence, about 100 yards southeast of the pump house along the Shasta River, about 1.9 miles (air) south of Highway 99/97 Cutoff, about 6 miles (air) east-southeast of Grenada. 776 Comment
  JEPS66435  Orobanche corymbosa subsp. corymbosa L. R. Heckard and P. Rubtzoff 1971-8-2 2697 Siskiyou 2 miles north of Deer Mt. Lodge along U. S. Highway 97. Comment
  JEPS57398  Orobanche corymbosa subsp. mutabilis L. R. Heckard with T. I. Chuang 1968-7-3 1974 Siskiyou 2 miles north of Deer Lodge (ca. 18 miles north of Weed), along U. S. Highway 97. Comment
  JEPS10831  Orobanche fasciculata Willis L. Jepson July 24, 1994-Aug 10, 1894 Siskiyou Hillside near Sisson. Comment
  RSA0059236  Orobanche uniflora subsp. occidentalis Gilbert Muth 1966-7-18 417 Siskiyou Marble Gap Trail, Meadow above Marble Valley, Marble Mountains. 1829 Comment
  HSC37539  Orogenia fusiformis J. P. Smith 1974-5-26 7584 Siskiyou Along FS Rd. 47N03, 1/4 mi. NE of Chandler Glade 1768 Comment
  HSC19207  Orthilia secunda J. O. Sawyer 1968-7-9 443 Siskiyou W of Little Duck Lake. 1936 Comment
  SBBG25932  Orthocarpus cuspidatus subsp. copelandii D. Myrick 1966-8-10 1532 Siskiyou Salmon Crk Trail at Mountain Meadow Ranch, Big Flat 1676 Comment
  UCD123232  Orthocarpus cuspidatus subsp. copelandii Jack Major; M. Fleschner, R. Pemble 1966-9-4 s.n. Siskiyou east of Marble Mountain, Marble Mountains, California. 1859 Comment
  UC1713697  Orthocarpus pachystachyus Edward Lee Greene 1876-1 Siskiyou Yreka Comment
  HSC38448  Osmorhiza berteroi Maralyn A. Renner 1980-6-26 1214 Siskiyou SE edge of Flint Valley. 1390 Comment
  JEPS50867  Oxyria digyna Al Hobart 1967-8-8 Siskiyou n side El Capitan (just s of Youngs Valley); western Siskiyou Mountains, n side El Capitan 1828 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
  SDSU9528  Ozomelis trifida D. F. Howe 1972-7-5 4875 Siskiyou 0.6 mile south of Oregon State line on road to Happy Camp. 1707 Comment
  HSC90559  Packera cana Jennifer Whipple 1977-8-4 2153 Siskiyou Wagon Creek drainage on the E face of Mt. Eddy 2439 Comment
  UC128741  Packera streptanthifolia W. T. Mooney June 1902 Siskiyou Yreka Comment
  HSC100192  Panicum capillare J. P. Smith, & J. O. Sawyer 2011-9-4 13412 Siskiyou Along Ball Mountain-Little Shasta-Mt. Hebron Road. 877 Comment
  CAS-BOT-BC253763  Panicum capillare David D. Keck 1938-8-7 4856 Siskiyou Scott Mountain Lodge, 2 miles E of Callahan, on E Fork of Scott River at junction with Mill Creek 1000 Comment
  UCSC004589  Panicum capillare Randall Morgan 2004-5-31 4177 Siskiyou Castle Crags State Park, Sacramento River Comment
  UC618609  Parnassia californica W. Bridge Cooke 1938-9-8 11671 Siskiyou Mount Shasta, Upper and Middle Heather Meadows, Squaw Creek Squaw Creek; Mount Shasta, Heather Meadows, Squaw Creek 2590 Comment
  JEPS128828  Parnassia palustris Julie Kierstead Nelson with Martin Lenz 2017-10-3 2017 -056 Siskiyou Eastern Klamath Ranges, The Eddys; Parks Creek Road (County Rd. 17). Comment
  CAS-BOT-BC175614  Parnassia palustris Wm. Bridge Cooke 1938-9-8 11671 Siskiyou Squaw Creek, Heather Meadows Comment
  CHSC106095  Pastinaca sativa Lowell Ahart; John Dittes 2010-7-30 16937 Siskiyou West of the pipe crossing the Shasta River, about 10 yards south of the Shasta River, about 300 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) southwest of Grenada. 716 Comment
  CAS-BOT-BC202861  Paxistima myrsinites R. F. Thorne 1969-8-2 63324 Siskiyou Klamath National Forest, Salmon Mountains, Marble Mountain Wilderness Area, high lake basins in the vicinity of English Peak. Near jct. of Boulder Creek and N. Fork Salmon River, along trail to English Peak Comment
  CAS-BOT-BC202866  Paxistima myrsinites Geo. B. Grant 1902-9-9 s.n. Siskiyou Sisson Comment
  HSC4833  Paxistima myrsinites J. O. Sawyer 1968-9-13 709 Siskiyou W of the Happy Camp/O'Brien Rd. between Louse Creek and Indian Creek, on the E slopes of Little Grayback 1463 Comment
  RSA237257  Paxistima myrsinites Frederick W. Oettinger 1969-8-7 1281 Siskiyou Margin of English Lake. Salmon Mtns. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1768 Comment
  SEINET10739292  Paxistima myrsinites Louis Krautter 1905-7-15 Krautter s.n. Siskiyou Black Butte. 1219 Comment
  SEINET13355128  Pectocarya pusilla G. D. Butler 1910-5-8 1306 Siskiyou Near Yreka. Comment
  UC922340  Pedicularis bracteosa var. flavida Annie M. Alexander and Louise Kellogg 1949-7-29 5897 Siskiyou near Hidden Lake (above Sky High Lake); Sky High Valley, Marble Mountains 1859 Comment
  HSC19149  Pedicularis contorta J. O. Sawyer 1969-8-4 1832 Siskiyou Above Sugar Lake 2134 Comment
  UC1483481  Pedicularis howellii Maralyn A. Renner 1980-7-28 2183 Siskiyou e spur of Kangaroo Mountain; Klamath National Forest, Kangaroo Mountain 1889 Comment
  JEPS3356  Pedicularis racemosa H. W. Furlong Sept., 1901 Siskiyou Summit to Ager Comment
  UC1040697  Pedicularis racemosa Alfred H. Murphy 1956-8-16 56 EE Siskiyou Tangle Blue Lake; Klamath National Forest 1767 Comment
  JEPS29774  Pellaea brachyptera Lauramay T. Dempster 1961-7-2 1859 Siskiyou sw Etna (ridge w of Salmon Mt Summit) 1828 Comment
  UC618697  Pellaea brachyptera W. Bridge Cooke 1938-6-17 11036 Siskiyou Mt Shasta along Sisson Southern Trail Mt Shasta 1371 Comment
  UCR101142  Pellaea brachyptera L. C. Wheeler 1959-7-26 7609 Siskiyou Marble Mountains: near summit of Ukonom Mountain. 1402 Comment
  CAS-BOT-BC67676  Pellaea brachyptera Louis C. Wheeler 1934-8-30 3227 Siskiyou Siskiyou Mts. - Trapper Creek, Mt. Diablo Mer. 1371 Comment
  RSA686824  Pellaea breweri M. B. Dunkle 1945-1 9216 Siskiyou Canyon Creek. Klamath National Forest, Marble Mtns. Comment
  UCSB51230  Pellaea mucronata Almanza, Ed 1976-7-13 Siskiyou McBride campground, Mt. Shasta 1493 Comment
  RSA0006214  Penstemon W. C. Cusick 1902-1 2928 Siskiyou Siskiyou Mts., Waldo-Crescent City rd., 1/4 mi. S. of Cal. Line [Siskiyou or Del Norte counties]. Comment
  UC1222500  Penstemon anguineus Joseph P. Tracy 1950-7-20 19212 Siskiyou 5 mi se Elk Valley (Flint Valley); , se of Elk Valley 1432 Comment
  UC1586979  Penstemon anguineus Juha Pykala and D. H. Norris 1987-6-26 2116 Siskiyou 0-3 km below Bear Lake (above Bear Creek, sw slopes); Marble Mountain Wilderness area Comment
  UC922561  Penstemon anguineus Annie M. Alexander and Louise Kellogg 1948-9-9 5597 A Siskiyou trail to Taylor Lake Siskiyou Mountains, trail to Taylor Lake Comment
  RSA44883  Penstemon anguineus J. C. Roos 1948-9-1 3945 Siskiyou 10 miles SW of Etna. Comment
  SBBG7110  Penstemon azureus H. and M. Dearing 1939-6-30 3755 Siskiyou road from Callahan to Trinity Alps Comment
  SEINET7073520  Penstemon centranthifolius A. G. Vestal 1963-6-1 s.n. Siskiyou Southeast rim of Shasta Valley. About 0.2 mile northwest of Route 97 on the road to Dwinnell Reservoir (Lake Shastina). UTM Zone 10, 551439mN, 4588002mN. Coordinate datum: NAD27. Comment
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  CHSC69094  Penstemon cinicola Vernon Oswald; Lowell Ahart 1997-7-28 8786 Siskiyou Southwest of Medicine Lake on road 43N54 at a meadow 0.6 mi southeast of Paynes Springs. 1920 Comment
  HSC69369  Penstemon cinicola J. O. Sawyer, J. Cole 1980-7-20 3790 Siskiyou E side of Grouse Hill 2134 Comment
  SD86686  Penstemon davidsonii Helen V. Witham 1969-10-9 610 a Siskiyou Near creek, Panther Meadow, Mount Shasta 2400 Comment
  CAS-BOT-BC265380  Penstemon davidsonii var. davidsonii Alice Eastwood 1921-7-28 10889 Siskiyou Little Mount Hoffman Comment
  HSC40234  Penstemon deustus J. P. Smith 1976-5-4 8663 Siskiyou E boundary of Klamath National Forest along Hwy. 96, above Klamath River 610 Comment
  HSC43259  Penstemon deustus K. Irwin 1977-5-22 382 Siskiyou On South Fork Salmon River Rd., 4 mi. E of Cecilville Comment
  HSC72491  Penstemon deustus J. P. Smith, Steve Selva 1970-6-16 4073 Siskiyou 8 mi. W of Etna on road to Sawyers Bar. 1372 Comment
  POM42980  Penstemon deustus subsp. deustus Geo. D. Butler 1910-5-25 1404 Siskiyou Near Yreka. Comment
  RSA309613  Penstemon deustus subsp. deustus Walter Wisura 1983-9-16 3938 Siskiyou 5.9 mi W of western boundary of Lava Beds Nat'l Mon., along road to Tennant. Comment
  UC1177927  Penstemon deustus var. pedicellatus Francia Chisaki and Gene B. Newcomb 1958-6-22 1155 Siskiyou at base of Black Butte just e Highway #99; at base of Black Butte Comment
  OBI9277  Penstemon gracilentus Carl B. Wolf 1937-8-8 9083 Siskiyou SW side of Mt. Shasta, along John S. Everett Memorial hwy 2134 Comment
  UC313696  Penstemon gracilentus David D. Keck 1927-8-16 305 Siskiyou 4 mi e Mt. Shasta City (Sisson) (on w flank of Mt. Shasta); w flank of Mt. Shasta, e of Mt. Shasta City (Sisson) 1609 Comment
  UC454776  Penstemon gracilentus I. J. Condit 1911-7-22 Siskiyou trail to Horse Camp Mt. Shasta, trail to Horse Camp 2438 Comment
  NY600699  Penstemon gracilentus K. A. Vincent 1987-6-29 4444 Siskiyou Cascade Range, Butte Mountain; along Butte Mountain Road, ca. 3.6 miles west of junction Meiss Lake Road, located 7.2 miles west of junction US 97 on south side of MacDoel. 1828.8 Comment
  NY600717  Penstemon gracilentus E. K. Balls 1952-10-12 18181 Siskiyou 7.2 miles southwest of boundary of Lava Beds National Monument on road from Indian Well Ranger Station to Tennant. 1066.8 Comment
  HSC20972  Penstemon humilis subsp. humilis R. C. Wunner 1965-6-10 143 Siskiyou Lava Beds National Monument, Caldwell Butte above Caldwell Minor 1463 Comment
  UCSB23750  Penstemon laetus Breedlove, Dennis 1962-6-10 Siskiyou along Indian Creek Road; 6.8 miles northwest of Happy Camp; Siskiyou Mountains 457 Comment
  HSC43836  Penstemon laetus subsp. laetus Maralyn O'Meara 1974-5-27 491 Siskiyou Along FS Rd. 47N03 1280 Comment
  RSA700414  Penstemon laetus subsp. sagittatus Noel Holmgren, James L. Reveal 1966-6-9 2678 Siskiyou US 97, Shasta Valley, 4 mi. north of Weed. 1159 Comment
  NY604478  Penstemon laetus var. laetus D. Parker 1954-6-5 619 Siskiyou Hartstrand Gulch, just east of Scott Valley. 855.9 Comment
  SD113664  Penstemon laetus var. sagittatus Darley F. Howe 1977-7-5 5000 Siskiyou 15 miles southeast of Granada 1219 Comment
  POM252935  Penstemon laetus var. sagittatus A. A. Heller 1938-7-12 15237 Siskiyou Near the western base of Deer Mountain on US Hwy 97. Comment
  HSC4838  Penstemon newberryi subsp. berryi J. O. Sawyer 1968-7-22 538 Siskiyou Between Handcock and Diamond Lakes 1951 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
  JEPS7254  Penstemon newberryi var. berryi Leonard Joss 1922-1 Siskiyou Etna Mills Comment
  NY627432  Penstemon newberryi var. berryi F. W. Pennell 1940-7-17 26170 Siskiyou Salmon Mountains, west of Etna 1828.8 Comment
  LA28278  Penstemon newberryi var. berryi L. E. Smith; 1913-6-18 368 Siskiyou road from Sisson [Mt. Shasta] to Castle Lake Comment
  JEPS5707  Penstemon newberryi var. newberryi W. L. Jepson Jul 1894 21414 Siskiyou Muir Peak ((Black Butte), Sisson Comment
  NY627386  Penstemon newberryi var. newberryi C. B. Wolf 1937-8-8 9082 Siskiyou Southwest side of Mt. Shasta, 1/2 mile south of trail to Horse Camp. 1524.0 Comment
  HSC74931  Penstemon parvulus J. P. Smith, Jennifer Whipple 1978-7-2 9974 Siskiyou Trail from Cook and Green Pass to Copper Butte. 1768 Comment
  HSC81519  Penstemon parvulus Thomas W. Nelson, Jane P. Nelson 1980-7-20 6168 Siskiyou Above and to SE of Big Carmen Lake 1738 Comment
  UC1483407  Penstemon parvulus Maralyn A. Renner 1980-8-7 2425 Siskiyou ridge s Preston Peak; Klamath National Forest, Preston Peak Quad. 1950 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
  NY638942  Penstemon procerus var. brachyanthus J. T. Howell 1937-7-24 13390 Siskiyou Caribou Basin, Salmon-Trinity Alps 1981.2 Comment
  CHSC71333  Penstemon rydbergii var. oreocharis Vernon H. Oswald; Lowell Ahart 1998-6-11 9208 Siskiyou Dry Lake on the south side of Tennant Rd. ca. 9 air mi east of Grass Lake, ca. 22 air mi northeast of Weed. 1402 Comment
  CAS-BOT-BC6685  Penstemon rydbergii var. varians David Daniels Keck 1940-6-13 5172 Siskiyou Grass Lake 1540 Comment
  CHSC118594  Penstemon speciosus Richard R. Halse 2016-5-29 9721 Siskiyou Along Hilt Road by its junction with Interstate Hwy. 5, east of Hilt. 939 Comment
  SEINET7073528  Penstemon speciosus A. G. Vestal 1963-6-1 s.n. Siskiyou Southeast of Dwinnell Reservoir (Lake Shastina) about 3.6 miles northwest of Rout 97. UTM Zone 10, 549041mN, 4591197mN. Coordinate datum: NAD27. Comment
  UC887342  Penstemon speciosus A. A. Heller 1916-6-23 12424 Siskiyou near Black Butte (n of Sisson); near Black Butte 1127 Comment
  SEINET5135939  Perideridia leptocarpa Unknown 1966-6-15 3768 Siskiyou W-facing slope above Trinity River 5 miles NW of Cecilville Comment
  HSC404  Perideridia parishii subsp. latifolia William J. Ferlatte 1966-8-16 371 Siskiyou Big Flat, between campground and S Fork of the Salmon River. 1524 Comment
  RSA211473  Perideridia parishii subsp. latifolia William J. Ferlatte 1966-8-16 371 Siskiyou Trinity Alps: Big Flat Hillside, between campground and S. Fork of the Salmon River 1524 Comment
  CAS-BOT-BC423363  Peritoma serrulata Elmer I. Applegate 1923-8-21 3927 Siskiyou South end of Little Klamath Lake Comment
  HSC79093  Persicaria amphibia Paul Wilson 1984-8-29 360 Siskiyou Juanita Lake Reservoir, next to lake edge 1555 Comment
  CAS-BOT-BC413737  Persicaria hydropiper Louis C. Wheeler 1934-9-20 3287 Siskiyou Lumgrey Creek, Siskiyou Mts. 670 Comment
  HSC30471  Persicaria maculosa Frederick W. Oettinger 1969-8-29 1562 Siskiyou Between 4th and 5th river crossing, Main N Fork Trail, Salmon Mtns. Comment
  HSC101738  Petrorhagia dubia J. P. Smith, J. O. Sawyer 2010-5-2 12797 Siskiyou River access road, on the Salmon River. 164 Comment
  UC1051790  Phacelia L. R. Heckard 1952-6-18 307 Siskiyou about 0.5 mi w Panther Creek Guard Station (16 mi e of Montague on rd to Mt. Hebron) Comment
  HSC97684  Phacelia corymbosa Thomas W. Nelson, Jane Nelson 2006-7-1 9454 Siskiyou Along USFS Rd. 4319, Military Pass Rd., The Whaleback 1392 Comment
  JEPS2783 Image available Phacelia corymbosa W. L. Jepson 1914-8-13 6161 Siskiyou Dunsmuir 670 Comment
  POM65428  Phacelia corymbosa E. B. Copeland 1903-8-18 3831 Siskiyou Mt. Eddy. Comment
  HSC93605  Phacelia dalesiana Dorothy Parker 1965-6-1 640 Siskiyou Scott Mtn. 1631 Comment
  UCR93351  Phacelia egena Kathy Harper, Dane Karr 1994-6-16 s.n. Siskiyou Modoc National Forest, Forest Road 49 (Lava Beds/Medicine Lake Road), c. 1 mi north of southern boundary of Lava Beds National Monument 1402 Comment
  RSA517321  Phacelia greenei Barbara Ertter, T. Delendick 1987-5-17 6969 Siskiyou Scott Mountain Summit; 0.5 mile east of Route 3 on FR 40N08. 1707 Comment
  UC1602156  Phacelia hastata subsp. compacta John Thomas Howell 1939-7-26 13767 Siskiyou along Summit Trail below Lake Helen; Mount Shasta Comment
  HSC13653  Phacelia hastata var. hastata R. C. Wunner 1965-7-9 371 Siskiyou Lava Beds National Monument Upper Ice Cave 1555 Comment
  HSC46179  Phacelia heterophylla subsp. virgata Jennifer Whipple 1977-4-30 1880 Siskiyou Scott Valley near Weston Gulch on open hillsides 854 Comment
  UC1602020  Phacelia heterophylla subsp. virgata Geo. D. Butler 1910-5-7 1300 Siskiyou near Yreka Comment
  RSA170220  Phacelia heterophylla subsp. virgata W. L. Jepson 1940-6-23 19983 Siskiyou Two miles east of Montague. 823 Comment
  SBBG30550  Phacelia linearis D. Myrick 1968-6-22 1993 Siskiyou Lava Beds Nat Monument 1371 Comment
  UCR93374  Phacelia linearis Kathy Harper, Dane Karr 1994-6-16 s.n. Siskiyou Modoc National Forest, Forest Road 49 (Lava Beds/Medicine Lake Road), c. 1 mi north of southern boundary of Lava Beds National Monument 1402 Comment
  JEPS32027  Phacelia mutabilis W. B. and V. G. Cooke 1963-7-10 34267 Siskiyou along Bolam Logging Rd Mt. Shasta (n side of mt.) Comment
  RSA68892  Phacelia mutabilis A. E. Culbertson 1943-7-10 65 Siskiyou Castle Lake, 5434 , in a north facing cirque with an abrupt 1000 backwall, 14 miles SW of Mt Shasta on N side of a 6600 eastern spur of Trinity Mts. 2000 above Sacramento R within 10 air miles of its headwaters to the west. Comment
  UC923142  Phacelia mutabilis Freed W. Hoffman 1950-7-13 3336 Siskiyou Clear Creek trail from Baldy Lookout North Coast Ranges (w Siskiyou Co.) 1524 Comment
  UC1950197  Phacelia pringlei Barbara Ertter with Julie Kierstead and Jim Nelson 1990-7-15 9371 Siskiyou ca 1 mi E of Toad Lake at head of Middle Fk Sacramento River, ca 8 airmiles W of Mt Shasta City Comment
  HSC75118  Phacelia pringlei J. P. Smith, Thomas W. Nelson 1979-6-16 10127 Siskiyou Klamath National Forest, Rd. to Carmen Lake, .2 mi. from its jct. with Hwy. 3 Comment
  RSA755540  Phacelia pringlei Barbara Ertter, Julie Kierstead, Jim Nelson 1990-7-15 9371 Siskiyou ca 1 mile east of Toad Lake at head of Middle Fork Sacramento River, ca. 8 air miles west of Mount Shasta City. 1982 Comment
  CAS-BOT-BC141449  Phacelia ramosissima var. eremophila Elmer I. Applegate 1935-6-5 9300 Siskiyou Capt. Jack's Stronghold, Lava Beds National Monument Comment
  CAS-BOT-BC77417  Philadelphus lewisii Carl B. Wolf 1927-8-26 1044 Siskiyou On the Klamath River, 4 mi. north of Gottville Comment
  CAS-BOT-BC77433  Philadelphus lewisii L. B. Kildale 1929-6-25 8361 Siskiyou Klamath River, 6 miles north of Hornbrook Comment
  CAS-BOT-BC77434  Philadelphus lewisii L. E. Detling 1950-6-10 6623 Siskiyou Shasta R. Canyon, nr. Dry Gulch 777 Comment
  HSC19151  Philadelphus lewisii J. O. Sawyer 1969-7-11 853 Siskiyou Ravine above C.C.C. road. 1280 Comment
  JEPS84271  Philadelphus lewisii L. R. Heckard with J. Hickman, S. D'Alcamo 1986-7-17 6482 Siskiyou e Cook and Green Pass (s ridge of butte); Copper Butte 1584 Comment
  UC1408863  Philadelphus lewisii Frederick W. Oettinger and R. F. Thorne 1969-8-5 1200 Siskiyou on English Lake trail above Willow Spring (high lake basins in vicinity of English Peak, w Siskiyou Co.); Salmon Mountains, Marble Mountain Wilderness Area 1676 Comment
  HSC60790  Phleum pratense Ruby Van Deventer 1960-7-7 Siskiyou Bell Echo Camp in Youngs Valley. 1220 Comment
  HSC186  Phlox diffusa William J. Ferlatte 1967-6-29 576 Siskiyou Dorleska Summit 2134 Comment
  HSC44975  Phlox diffusa J. O. Sawyer, E. Cope 1977-6-20 2969 Siskiyou Along W slopes of Bear Mtn. 1829 Comment
  HSC4822  Phlox diffusa J. O. Sawyer 1968-7-22 556 Siskiyou Between Handcock and Diamond Lakes 1951 Comment
  SBBG30601  Phlox diffusa D. Myrick 1968-6-27 2048 Siskiyou Yellow Rose Mine above Big Flat, head of Coffee Crk; Trinity Alps 1828 Comment
  RSA78684  Phlox diffusa subsp. diffusa P. A. Munz 1952-7-2 17881 Siskiyou Road to Baldy Mt., northwest of Happy Camp, Siskiyou Mts. 1494 Comment
  UC705693  Phlox douglasii subsp. rigida Marion Ownbey, Fred G. Meyer 1940-7-4 2191 Siskiyou above Head of Brewer Creek (e side of Mt. Shasta); Mt. Shasta Comment
  RSA237314  Phlox douglasii subsp. rigida Frederick W. Oettinger 1967-6-24 121 Siskiyou Ridge near Etna Summit on road from Etna to Sawyers Bar. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1820 Comment
  CAS-BOT-BC232824  Phlox hirsuta L. E. Smith 1913-4-20 639 Siskiyou Yreka Comment
  UC572311  Phlox hoodii subsp. canescens W. H. Mitchell 1936-5-8 Siskiyou Base of Schonclim Butte Dorris Quad. 1432 Comment
  UC23965  Phlox speciosa subsp. nitida C. B. Bradley 1879-1 Siskiyou Comment
  RSA120759  Phlox speciosa subsp. occidentalis S. S. Tillett 1956-7-9 635 Siskiyou Scott Mtn, Siskiyou Trinity County line, 8 miles SE of Callahan. 2073 Comment
  CDA40275  Phlox speciosa subsp. occidentalis T. C. Fuller 1958-4-16 4811 Siskiyou Giebner property, 4 miles south of Yreka. 0 Comment
  POM75065  Phlox speciosa subsp. occidentalis Geo D. Butler 1909-4-13 650 Siskiyou Near Yreka. Comment
  RSA259573  Phlox speciosa subsp. occidentalis J. P. Smith 1974-5-25 7502 Siskiyou Along road 8, 2.4 miles west of its junction with State Route 3. 976 Comment
  JEPS84106  Phoenicaulis cheiranthoides L. R. Heckard with J. Hickman et al. 1986-7-17 6545 Siskiyou 1 mi ne of Buckhorn 2100 Comment
  UC166047  Phoenicaulis cheiranthoides Geo. D. Butler 1910-5-7 1296 Siskiyou near Yreka Comment
  UC375256  Phoradendron Geo. D. Butler 1908-8-16 275 Siskiyou hills near Yreka Comment
  CAS-BOT-BC56493  Phyllodoce empetriformis W. R. Dudley 1899-8-24 s.n. Siskiyou Craggy Peak - Lunch Creek Comment
  HSC758  Phyllodoce empetriformis William J. Ferlatte 1966-7-7 204 Siskiyou Caribou Basin 1982 Comment
  HSC96364  Phyllodoce empetriformis Gordon Leppig, Tony LaBanca, Leonel Arguello 1997-6-27 496 Siskiyou Klamath National Forest, Russian Wilderness, Little Duck Lake Fen 2200 Comment
  CAS-BOT-BC56494  Phyllodoce empetriformis W. R. Dudley 1901-8-23 s.n. Siskiyou Rocky Peak, Foxtail Ridge, Salmon Mts. Comment
  CDA5887  Physalis longifolia T. C. Fuller 1966-10-6 15246 Siskiyou Clement ranch, 5 miles north of Montague. 0 Comment
  POM208276  Physocarpus capitatus Louis C. Wheeler 1934-7-5 2877 Siskiyou Beaver Creek at Deer Creek, Siskiyou Mts. 976 Comment
  UC75157  Physocarpus capitatus Copeland 1903-9-6 3858 Siskiyou Mt Eddy Comment
  UCSB13155  Physocarpus capitatus Breedlove, Dennis 1962-6-10 Siskiyou North bank of the Klamath River at its junction with Goff Creek, 4.5 miles west of Seiad 411 Comment
  CAS-BOT-BC73473  Picea breweriana John Thomas Howell 1937-7-24 13413 Siskiyou Caribou Basin, Salmon-Trinity Alps 2286 Comment
  CAS-BOT-BC73474  Picea breweriana John Thomas Howell 1939-8-2 14900 Siskiyou Spirit Lake, Marble Mts. 1828 Comment
  LA86569  Picea breweriana J. M. Tucker; 1963-7-5 3698 Siskiyou Blake's Fork of S Russian Creek (a tributary of Salmon River), ca. 7 mi (airline) E of Sawyer's Bar 1615 Comment
  POM193628  Picea breweriana Patricia Bennett 1928-7-11 s.n. Siskiyou Salmon Mountains; head of No Nothing Creek. Comment
  UC665706  Picea breweriana L. E. Berriman January, 1941 Siskiyou w Callahan (n slopes of peak); North Coast Ranges, Russian Peak 1828 Comment
  UC813169  Picea breweriana John Thomas Howell 1937-7-24 13413 Siskiyou Caribou Basin Salmon-Trinity Alps, Caribou Basin 1981 Comment
  POM120193  Pinus albicaulis Geo D. Butler 1908-8-5 520 Siskiyou West Fork of Wooley Creek. 1677 Comment
  SD126128  Pinus albicaulis Walter M. Plumb 1972-7-16 Siskiyou northeastern slope of Mount Eddy 2440 Comment
  UCD134319  Pinus albicaulis Robert E. Preston 2001-6-30 1649 d Siskiyou Klamath National Forest, Rainbow Mountain, north slope of east lobe. 1920 Comment
  CAS-BOT-BC78320  Pinus attenuata Marion Ownbey; Fred G. Meyer 1940-7-7 2219 Siskiyou Near summit of Cayenne Ridge, Marble Mountain Comment
  JEPS46916  Pinus attenuata W. L. Jepson 1907-7-11 2889 Siskiyou upper crossing to Quartz Valley; S Fork Smith River Comment
Read comments
Nov 12 2011
  UC70582  Pinus attenuata Mrs. Stirring May 1905 Siskiyou Etna 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
  NY49383  Pinus balfouriana W. R. Dudley 1901-8-22 s.n. Siskiyou This specimen represents an endangered or threatened species. The specific locality has been removed from this record to protect this species from over-collection. These data may be supplied to researchers on request. Comment
  UC463339  Pinus contorta subsp. murrayana H. M. Hall and E. B. Babcock 1903-6-1 4105 Siskiyou divide between Shasta Black Crater; Sierra Nevada, Mount Shasta 1706 Comment
  MACF017420  Pinus jeffreyi Trudy R. Ericson 1974-8-8 220 Siskiyou St. Hwy. 96, between Happy Camp and Hamburg, near Seiad Valley Comment
  SEINET11738788  Pinus jeffreyi C. G. Pringle 1882-1 s.n. Siskiyou no further locality 1524 Comment
  CAS-BOT-BC78781  Pinus lambertiana Carl B. Wolf 1927-8-26 1106 Siskiyou On the Klamath River, 8 mi. above Happy Camp Comment
  HSC31520  Pinus lambertiana Steve Selva, Roger Jensen 1974-8-26 58 Siskiyou Along Rd. 8 to Sugar Creek trail, 4 mi. from Hwy. 3 Comment
  CAS-BOT-BC78925  Pinus monticola Elmer I. Applegate 1935-6-11 s.n. Siskiyou East Base of Cinder Cone, Lava Beds National Monument 1524 Comment
  CAS-BOT-BC72865  Pinus ponderosa Doris K. Kildale 1929-4-27 7566 Siskiyou Cecilville Comment
  RSA237359  Pinus washoensis Frederick W. Oettinger 1968-9-4 701 Siskiyou On a northwest-tending ridge from the peak between Abbotts Lake and Lake of the Island---just below the peak. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2134 Comment
  JEPS64435  Piperia elongata Willis L. Jepson 1894-8-9 21279 Siskiyou Shasta Springs Upper Sacramento Region Comment
  UC1409483  Piperia unalascensis Frederick W. Oettinger 1969-7-27 1077 Siskiyou nw of English Lake; Salmon Mountains, Marble Mountain Wilderness Area, English P 1981 Comment
  RSA237643  Piperia unalascensis Frederick W. Oettinger 1967-7-30 224 Siskiyou Between Abbotts Lake and Charmine Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1829 Comment
  UC725971  Plagiobothrys A. A. Heller 1929-5-4 14859 Siskiyou Yreka Comment
  CAS-BOT-BC228035  Plagiobothrys Lewis S. Rose 1946-6-4 46143 Siskiyou 2 miles S of Dorris 1219 Comment
  UC164103  Plagiobothrys nothofulvus Geo. D. Butler 1910-5-6 1293 Siskiyou near Yreka Comment
  POM228957  Plagiobothrys scouleri var. hispidulus L. C. Wheeler 1935-6-27 3613 Siskiyou Greenview, Scott Valley. 884 Comment
  RSA238847  Plagiobothrys scouleri var. hispidulus Frederick W. Oettinger 1969-7-9 938 Siskiyou NW of Upper English Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1799 Comment
  HSC33985  Plagiobothrys tenellus J. P. Smith 1974-5-25 7474 Siskiyou Along Rd. 8, 4.7 mi. W of its junction with Hwy. 3 1159 Comment
  UCSB24814  Platanthera dilatata Keefe, Joseph 1967-7-11 Siskiyou Cook and Green Pass; north of Seiad Valley 1341 Comment
  HSC486  Platanthera dilatata var. leucostachys William J. Ferlatte 1967-6-27 528 Siskiyou Big Flat, between campground and S Fork of the Salmon River 1524 Comment
  HSC61842  Platanthera dilatata var. leucostachys Al Hobart 1967-1 Siskiyou Poker Flat 1585 Comment
  JEPS74458  Platanthera leucostachys W. J. Ferlatte 1966-6-23 141 Siskiyou between campground and S. Fork of the Salmon R. (Trinity Alps, Big Flat); Trinity Alps, Big Flat 1524 Comment
  HSC484  Platanthera sparsiflora William J. Ferlatte 1967-7-25 723 Siskiyou Caribou Basin 1982 Comment
  HSC68412  Platanthera sparsiflora Maralyn A. Renner 1980-7-4 1409 Siskiyou Near trail about 0.25 mi. below Rattlesnake Meadow. 1585 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
  HSC67860  Plectritis congesta J. P. Smith, Steve Selva 1970-6-16 4026 Siskiyou 4 mi. from Hwy. 3 on Rd. 8 to Sugar Creek. 1159 Comment
  HSC34011  Plectritis macrocera J. P. Smith 1974-5-25 7507 Siskiyou Along Rd. 8, 2.4 mi. W of its junction with Hwy. 3 976 Comment
  UCD90539  Poa bolanderi Beecher Crampton 1956-8-21 3810 Siskiyou 15 to 16 miles southwest of city of Mount Shasta. Gumboot Lake, headwater of south fork of Sacramento River. 1920 Comment
  CAS-BOT-BC255055  Poa compressa L. P. Janeway 1983-8-26 600 Siskiyou Siskiyou Mountains. At Poker Flat, front edge of the upper part of the meadow 1524 Comment
  RSA211242  Poa compressa William J. Ferlatte 1966-6-23 139 Siskiyou along the Yellow Rose Mine Trail 1677 Comment
  HSC30577  Poa cusickii subsp. epilis Frederick W. Oettinger, R. F. Thorne 1969-8-5 1218 Siskiyou Marble Mountain Wilderness Area, Crapo View Gap above English Lake. 1829 Comment
  JEPS84092  Poa grandis L. R. Heckard with J. Hickman et al. 1986-7-17 6525 Siskiyou e Condrey Mt; Alex Hole region 1980 Comment
  CDA18410  Poa pratensis G. D. Barbe, T. C. Fuller & J. T. Howell 1980-4-29 2627 Siskiyou Klamath Ranges; 0.25 miles northeast of Oro Fino. 883 Comment
  HSC38849  Poa pratensis J. P. Smith, Steve Selva 1970-6-16 4074 Siskiyou 8 mi. W of Etna on road to Sawyers Bar. 1372 Comment
  UCD91932  Poa pratensis Wm. E. Moon 1958-5-29 s.n. Siskiyou along State Hwy. 97, southwest of Hebron Summit. 1524 Comment
  CHSC86460  Poa pratensis subsp. pratensis Jenny Marr 1993-7-1 77 Siskiyou Butte Valley Wildlife Area, +/- 7 air miles NW of the town of MacDoel. Meadow NE of Meiss Lake. 1349 Comment
  CHSC91355  Poa pratensis subsp. pratensis Lowell Ahart; John Dittes 2005-6-10 12125 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
  JEPS33849  Poa pringlei Gilbert Muth 1966-7-31 473 Siskiyou n side Black Mt; Marble Mt Wilderness Area 2042 Comment
  POM113796  Poa secunda Geo D. Butler 1910-5-6 1294 Siskiyou Near Yreka. Comment
  CAS-BOT-BC243227  Poa secunda subsp. secunda H. A. Thomas; J. H. Thomas 1954-7-24 4512 Siskiyou Salmon-Trinity Mountains, vicinity of Rush Lake and rush Creek Meadow. About 9 miles E of Cecilville 1981 Comment
  CHSC88405  Poa secunda subsp. secunda Jenny Marr 1993-7-1 164 Siskiyou Butte Valley Wildlife Area, +/- 7 air miles NW of the town of MacDoel. Meadow NW of Meiss Lake. 1349 Comment
  HSC31102  Poa secunda subsp. secunda Frederick W. Oettinger 1969-8-3 1149 Siskiyou Salmon Mountains, NW of English Lake. 1951 Comment
  UC1037087  Poa secunda subsp. secunda Leo Whitney 1934-6-29 2224 Siskiyou near Tennant (Antelope Creek) 1463 Comment
  UC1055818  Poa secunda subsp. secunda Frank W. Gould 1940-5-15 1234 Siskiyou Lower Bull Meadow Goosenest Mt Comment
  UC1265393  Poa secunda subsp. secunda Frederick W. Oettinger 1969-8-3 1149 Siskiyou wnw of English Lake (vicinity of English Peak); Salmon Mts, High Lake Basins, Marble Mt Wilderness Area 1950 Comment
  UCD91740  Poa wheeleri Dean Wm. Taylor 1975-8-14 5462 Siskiyou Mt. Shasta. Between Shasta Ski area and Green Butte. 2590 Comment
  UC23987  Polemonium occidentale subsp. occidentale C. B. Bradley 1879-1 Siskiyou Squaw Valley Comment
  HSC67490  Polygala californica J. P. Smith, Steve Selva 1970-6-14 3889 Siskiyou 1 mi. E of Steinacher Creek Rd. on Rd. to Forks of Salmon Comment
  HSC67532  Polygala cornuta J. P. Smith, Steve Selva 1970-6-14 3858 Siskiyou Comment
  JEPS24616  Polygala cornuta var. cornuta Rimo Bacigalupi with Drs. Reino and Aloha Alava 1958-8-31 6769 Siskiyou along SP (Shasta Route) railway grade upper Sacramento River Canyon (in the 1 1/2 mi stretch between Shasta Retreat (at northern outskirts of Dunsmuir) to Mossbrae Falls and Shasta Springs) 731 Comment
  POM211510  Polygonum argyrocoleon Louis C. Wheeler 1934-7-3 2860 Siskiyou Soda Creek, Sterling Mt. Siskiyou Mountains. 1677 Comment
  JEPS93926  Polygonum bistortoides Vernon H. Oswald and Lowell Ahart 1998-8-3 9436 Siskiyou w of Kangaroo Lake (near the Pacific Crest Trail in the Scott Mountains); Scott Mountains 1981 Comment
  UC850082  Polygonum davisiae John Thomas Howell 1939-8-2 14897 Siskiyou Spirit Lake Marble Mts. Comment
  CAS-BOT-BC414587  Polygonum douglasii Wm. Bridge Cooke 1938-8-5 11447 Siskiyou Mount Shasta. MacBride Springs Comment
  JEPS51268  Polygonum douglasii Geo. D. Butler 1908-7-20 195 Siskiyou Humbug Creek Comment
  POM104413  Polygonum douglasii Geo. D. Butler 1908-8-3 185 Siskiyou Log Lake, Shackleford Creek Comment
  UC572801  Polygonum douglasii subsp. douglasii W. Bridge Cooke 1937-8-6 9200 Siskiyou Bear Spring Mt. Shasta 1524 Comment
  CHSC88094  Polygonum douglasii subsp. johnstonii Jenny Marr 1993-7-1 104 Siskiyou Butte Valley Wildlife Area, +/- 7 air miles NW of the town of MacDoel. Meadow NW of Meiss Lake. 1349 Comment
  CDA22791  Polygonum majus Vernon H. Oswald & Lowell Ahart 1998-6-11 9187 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
  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
  POM211806  Polygonum persicaria Louis C. Wheeler 1934-9-20 3286 Siskiyou Lumgrey Creek, Siskiyou Mts. Mt. Diablo Mer. 671 Comment
  SEINET13711311  Polygonum polygaloides subsp. confertiflorum Lowell William Ahart, Lowell William Ahart 1998-1 9335 Siskiyou NE of Weed and E of Grass Lake at Gravel Pit on S Side of Tennant Rd. (T44N, R1W, sec 32, NW 1/4) 4600 Ft. 1402 Comment
  CAS-BOT-BC420065  Polygonum polygaloides subsp. kelloggii Herbert L. Mason 1948-7-17 13599 Siskiyou Eastern Grass Lake Comment
  HSC19293  Polygonum polygaloides subsp. kelloggii J. O. Sawyer 1969-6-18 1409 Siskiyou Head of S Russian Creek 1829 Comment
  CAS-BOT-BC420152  Polygonum ramosissimum subsp. ramosissimum Wm. Bridge Cooke 1940-8-2 15403 Siskiyou Mount Shasta. Along the road in Bear Springs meadow. Comment
  LA51270  Polygonum shastense William Bridge Cooke; 1939-8-8 13839 Siskiyou Mount Shasta, vicinity of Horse Camp Comment
  CAS-BOT-BC421078  Polygonum spergulariiforme Alice Eastwood 1912-8-30 1992 Siskiyou Mount Eddy Comment
  SBBG29117  Polygonum spergulariiforme L. C. Wheeler 1934-9-26 3303 Siskiyou Siskiyou Mtns; R8W, T$&N, S27 1005 Comment
  UCD91021  Polypogon interruptus Chandler Jensen 1957-4-29 s.n. Siskiyou Redding Airport, Redding. Comment
  CAS-BOT-BC233036  Polypogon interruptus Doris K. Kildale 1928-7-3 5418 Siskiyou Forks of Salmon River Comment
  UCD78119  Polystichum imbricans Robert E. Preston 2001-6-23 1572 Siskiyou Klamath National Forest, n slope of Rainbow Mtn, at Hemlock Lake, T42N R1W se 1/4 of se 1/4 Section 14 1889 Comment
  UC338387  Polystichum imbricans subsp. imbricans unknown 1888-9-12 Siskiyou Mt. Shasta 3657 Comment
  CAS-BOT-BC76766  Polystichum imbricans subsp. imbricans William Bridge Cooke 1938-9-2 11594 Siskiyou Mount Shasta - along the Sisson Southern Trail on a lava flow. Comment
  CAS-BOT-BC72380  Polystichum lemmonii Louis C. Wheeler 1934-8-13 3114 Siskiyou East Fork Horse Creek, Siskiyou Mts. 1981 Comment
  CAS-BOT-BC72400  Polystichum lonchitis Louis C. Wheeler 1934-8-10 3100 Siskiyou Dead Cow Creek, Siskiyou Mts. 1889 Comment
  HSC79160  Polystichum lonchitis C. J. Thomas 1983-10-1 89 Siskiyou N side of Black Mtn. in Marble Mtn. Wilderness 1976 Comment
  HSC73053  Polystichum munitum Gail Newton 1980-6-20 477 Siskiyou Near Bald Mtn. 1097 Comment
  SEINET8671627 Image available Polystichum munitum W. Bridge Cooke 1937-1 9133 Siskiyou Mt. Shasta 1524 Comment
  CAS-BOT-BC72515  Polystichum scopulinum Louis C. Wheeler 1934-8-6 3059 Siskiyou Rock Gulch off Jaynes Canyon 1828 Comment
  HSC19175  Populus tremuloides J. O. Sawyer 1968-7-23 603 Siskiyou Along trail from Brown's Valley to Caribou Basin including areas around Snowslide Lake and Caribou Lake. 1829 Comment
  CAS-BOT-BC102961  Populus trichocarpa Grant 1902-9-1 5230 Siskiyou Sisson 1127 Comment
  HSC19174  Populus trichocarpa J. O. Sawyer 1968-7-23 576 Siskiyou Near Big Flat Campground, Trinity Alps Primitive Area 1524 Comment
  CAS-BOT-BC454097  Potamogeton pusillus subsp. tenuissimus Frederick W. Oettinger 1969-8-22 1494 Siskiyou Salmon Mountains, western Siskiyou County. The High Lake Basins in the vicinity of English Peak, Marble Mountain Wilderness Area. In Horse's Hole near Horse Range Lake Comment
  RSA238841  Potamogeton pusillus subsp. tenuissimus Frederick W. Oettinger 1969-8-22 1494 Siskiyou Mucky bottom of Horses Hole. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1875 Comment
  UC201704  Potamogeton richardsonii Geo. D. Butler 1908-8-7 142 Siskiyou Lake at head of West Fork of Wooley Creek Comment
  HSC18933  Potentilla breweri J. O. Sawyer 1969-7-18 1370 Siskiyou E of Waterdog Lake 2012 Comment
  HSC29381  Potentilla breweri Frederick W. Oettinger 1968-8-12 498 Siskiyou Salmon Mountains, Tobacco Lake Trail 1890 Comment
  HSC90541  Potentilla breweri Jennifer Whipple 1976-7-8 1376 Siskiyou Dale Creek drainage on the N face of Mt. Eddy 2195 Comment
  UC12511  Potentilla breweri Harley P. Chandler June, 1901 1697 Siskiyou near Marble Mountain; North Coast Ranges, near Marble Mountain 1524 Comment
  JEPS44292  Potentilla breweri W. L. Jepson 1907-7-4 2815 Siskiyou Shackleford Canyon near Marble Mountain (W Siskiyou County); Shackleford Canyon Comment
  SEINET11916322  Potentilla drummondii H. P. Chandler 1901-1 1564 Siskiyou nr Marble Mtn 1829 Comment
  HSC66  Potentilla flabellifolia William J. Ferlatte 1967-7-25 732 Siskiyou Caribou Basin 1982 Comment
  RSA237859  Potentilla glandulosa var. nevadensis Frederick W. Oettinger 1968-8-16 531 Siskiyou Summit of Red Hill, N of Hancock Lake. Salmon Mtns. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2058 Comment
  JEPS80606  Potentilla gracilis var. fastigiata Gilbert Muth 1966-7-31 470 Siskiyou north side of Black Mountain Marble Mt. Wilderness Area, n side of Black Mountain 1981 Comment
  CAS-BOT-BC540567  Potentilla gracilis var. fastigiata John Thomas Howell 1939-8-2 14931 Siskiyou Spirit Lake, Marble Mts. 1828 Comment
  SEINET6637145  Potentilla gracilis var. fastigiata G. D. Butler 1910-5-28 1419 Siskiyou Shasta Valley Comment
  UC1409377  Potentilla gracilis var. fastigiata Frederick W. Oettinger 1969-7-31 1118 Siskiyou along trail midway between English Lake and drift fence (High Lake Basins in the vicinity of English Peak, Salmon Mountains, Marble Mountain Wilderness Area, W Siskiyou Co.); Salmon Mountains, Marble Mountain Wilderness Area 1828 Comment
  UC164062  Potentilla gracilis var. gracilis Geo. D. Butler 1910-5-28 1419 Siskiyou Shasta Valley Comment
  JEPS81657  Potentilla millefolia L. R. Heckard with L. Constance and R. Ornduff 1969-6-24 2297 Siskiyou Murphy Wells, 0.8 mile south of Bray junction on U.S.97. 1493 Comment
  UC538009  Potentilla millefolia Leo Whitney 1934-6-10 3035 Siskiyou Tennant Dorris Quad., , Tennant (Antelope Creek) 1219 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
  UC2062454  Potentilla newberryi Barbara Ertter 2015-10-4 22452 Siskiyou East end of Grass Lake on Highway 97, south side of highway. Comment
  HSC65492  Prosartes hookeri R. White 1977-7-21 124 Siskiyou Slope below outlet of Raspberry Lake. 1512 Comment
  UCLA49010  Prunella vulgaris W. Bridge Cooke 1940-8-2 15401 Siskiyou Bear Springs Mount Shasta; , Bear Springs Comment
  JEPS83875  Prunella vulgaris var. lanceolata Wayne Roderick July 1976 Siskiyou vicinity Cook and Green Pass (trail to Lily Pad Lake); Siskiyou Mountains, vicinity Cook and Green Pass 1706 Comment
  UC618719  Prunella vulgaris var. lanceolata W. Bridge Cooke 1938-7-15 11189 Siskiyou Bear Springs Mount Shasta (Mount Shasta) Comment
  CAS-BOT-BC158219  Prunus emarginata Laura M. Lathrop 1903-7-16 s.n. Siskiyou Shasta Retreat Comment
  UC144434  Prunus emarginata A. A. Heller 1905-6-16 8045 Siskiyou Sisson Comment
  UC144435  Prunus emarginata A. A. Heller 1905-6-1 7929 Siskiyou between Dunsmuir and Upper Soda Spring Comment
  SBBG27199  Prunus subcordata L. Constance, R. C. Rollins 1942-5-14 2922 Siskiyou rd to Walker Post Office, 3 mi W of Yreka 1219 Comment
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Mar 27 2013
  CAS-BOT-BC151226  Prunus virginiana var. demissa G. J. Muth 1969-8-12 1376 Siskiyou Second Valley 2225 Comment
  CAS-BOT-BC151228  Prunus virginiana var. demissa A. A. Heller 1905-6-9 8004 Siskiyou Yreka, at the base of the hills east of the town, along an irrigating ditch. Comment
  CAS-BOT-BC151232  Prunus virginiana var. demissa Gilbert Muth 1966-7-17 411 Siskiyou Marble, south of camp, Marble Mts. 1792 Comment
  CAS-BOT-BC151242  Prunus virginiana var. demissa Doris K. Kildale 1929-5-31 9125 Siskiyou Cecilville, South Fork Salmon River Comment
  HSC24682  Prunus virginiana var. demissa J. O. Sawyer 1969-8-1 1662 Siskiyou SE facing slope above Duck Lake Creek 1951 Comment
  UC1539991  Prunus virginiana var. demissa M. Mitchell 1936-5-12 17 Siskiyou n side of Eaglenest, Lava Beds National Monument, Eaglenest Eaglenest; Lava Beds National Monument, Eaglenest 1584 Comment
  CAS-BOT-BC357395  Pseudognaphalium microcephalum Wm. Bridge Cooke 1938-8-5 11452 Siskiyou Mount Shasta. Near MacBride Spring Comment
  SBBG21935  Pseudognaphalium thermale D. Myrick 1964-7-25 972 Siskiyou Panther Meadows below Ski Bowl Lodge, Mt Shasta 2346 Comment
  OBI55445  Pseudognaphalium thermale David J. Keil 1992-7-20 23503 Siskiyou Klamath Natl Forest, SW of Fort Jones. along Forest rd 46N64, 2.8 mi W of Scott river Rd Comment
  POM112087  Pseudoroegneria spicata subsp. spicata Geo D. Butler 1910-6-23 1600 Siskiyou Yreka Comment
  CHSC228  Pseudostellaria jamesiana M. Yoder 1941-7-12 Siskiyou Castle Lake. Comment
  CHSC86667  Pseudostellaria jamesiana Jenny Marr 1993-7-1 50 Siskiyou Butte Valley Wildlife Area, +/- 7 air miles NW of the town of MacDoel. Meadow NW of Meiss Lake. 1349 Comment
  CHSC96624  Pseudostellaria jamesiana L. P. Janeway 2006-7-1 8725 Siskiyou Klamath Ranges. Salmon Mountains; just west of Carter Meadow, north side of South Fork Salmon River. 1579 Comment
  SEINET10530901  Pseudotsuga menziesii David B. Dunn, Melvin L. Conrad; Douglas G. LeDoux 1973-6-3 Dunn 20650 Siskiyou Vicinity of the Campground on the Salmon River, 8.3 mi W of Cecilville. Yellow pine forest with Douglas Fir. Area with mostly metamorphic rocks. Area very rocky and gravelly. Comment
  UC456177  Pterospora andromedea I. J. Condit 1909-8-23 Siskiyou Sisson 1524 Comment
  CAS-BOT-BC460555  Pterospora andromedea Henry M. Pollard 1947-9-6 s.n. Siskiyou Dillons Mt., Forest Road 1524 Comment
  RSA578036  Puccinellia distans L. C. Wheeler 1935-6-30 3634 Siskiyou Shasta Valley, 3 miles S of Grenada. 793 Comment
  CHSC88366  Puccinellia nuttalliana Jenny Marr 1993-7-1 172 Siskiyou Butte Valley Wildlife Area, +/- 7 air miles NW of the town of MacDoel. Meadow NW of Meiss Lake. 1349 Comment
  CAS-BOT-BC147897  Purshia tridentata var. tridentata Alice Eastwood; John Thomas Howell 1934-4-20 1759 Siskiyou Near Yreka along Shasta River Comment
  LA208179  Purshia tridentata var. tridentata Victor Duran; 1916-6-23 Siskiyou near Black Butte N of Sisson 1127 Comment
  UC25274  Pycnanthemum californicum W. H. Brewer 1862-9-7 1355 Siskiyou Upper Sacramento Ferry Camp 96; Upper Sacramento Ferry Comment
  CAS-BOT-BC460862  Pyrola aphylla W. R. Dudley 1893-6-21 s.n. Siskiyou Sides of Mt. Shasta Comment
  RSA0080478  Pyrola dentata R. F. Thorne 1969-8-2 63391 Siskiyou Klamath National Forest, Salmon Mountains: Marble Mtn Wilderness, along trail to English Peak. 1159 Comment
  SEINET8218484  Pyrola dentata Fred W. Hoffman 1948-7-8 2601 Siskiyou north of West Branch Camp; Waldo-Happy Camp Road. Comment
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May 8 2018
  UC479140  Pyrola picta Marcus E. Jones 1931-7-17 29062 Siskiyou Shasta City Comment
  CAS-BOT-BC466138  Pyrola picta Ira L. Wiggins 1955-7-23 13472 Siskiyou Banks of China Creek 1097 Comment
  RSA0083258  Pyrola picta A. E. Culbertson 1943-8-5 47 Siskiyou Castle Lake, in a north facing cirque with an abrupt 1000' backwall; 14 miles s.w. of Mt. Shasta on n. side of a 6600' eastern spur of Trinity Mts.; 2000' above Sacramento R. with 10 air miles of its headwaters to the west. Comment
  OBI55525  Pyrrocoma racemosa var. pinetorum David J. Keil 1992-7-21 23514 Siskiyou Klamath NF SE of Callahan on hwy 3, 5.3 mi NW of Scott Mtn summit Comment
  CAS-BOT-BC362391  Pyrrocoma racemosa var. racemosa Geo. D. Butler 1910-8-21 1843 Siskiyou Shasta Valley Comment
  CAS-BOT-BC45747  Quercus Doris K. Kildale 1927-11-20 s.n. Siskiyou Klamath River at Hornbrook Comment
  JEPS37854  Quercus chrysolepis Geo. D. Butler 1908-12-1 548 Siskiyou Kidder Creek Comment
  POM270211  Quercus chrysolepis George B. Grant 1902-09 s.n. Siskiyou Dunsmuir, N. California. Comment
  UC5539  Quercus chrysolepis W. H. Brewer 1862-8-21 1326 Siskiyou near Mount Shasta 609 Comment
  CAS-BOT-BC94649  Quercus garryana Copeland 1903-7-14 3522 Siskiyou Klamathon Comment
  HSC36686  Quercus garryana Brent Whitely 1975-6-20 5 Siskiyou 223 Comment
  JEPS37953  Quercus garryana var. breweri Geo. D. Butler 1908-8-16 233 Siskiyou e of Yreka Comment
  RSA237814  Quercus garryana var. breweri Frederick W. Oettinger 1969-8-24 1540 Siskiyou Growing just SW of the brook on the W side of English Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1753 Comment
  UCD46094  Quercus garryana var. garryana J. M Tucker 1948-8-3 1771 Siskiyou Ca. 0.6 mile west of Happay Camp, Siskiyou County, California. 335 Comment
  LA205301  Quercus kelloggii W. B. C.; 1939-7-28 13778 Siskiyou along the MacBride Springs Rd 1371 Comment
  CAS-BOT-BC104351  Quercus sadleriana Doris K. Kildale 1928-8-18 6443 Siskiyou Lead of N Fork Salmon River at Finley's upper Camp 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
  HSC65556  Quercus sadleriana R. S. White 1977-6-20 87 Siskiyou NE area around Devil's Punchbowl 1433 Comment
  HSC67669  Quercus sadleriana John Palmer 1980-7-24 589 Siskiyou Klamath National Forest, Elk Hole 1503 Comment
  RSA293015  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
  UCD47262  Quercus sadleriana John M. Tucker 1972-8-8 4247 B Siskiyou (Q. garryana Hook. var. breweri (Engelm.) Jepson). California, Siskiyou Co.; Marble Mountains, trail from Whiskey Camp to Elk Peak, ca. 2.5 mi. west-southwest of Marble Valley Guard Station (extreme southeast corner of Section 20, R.11W., T.42N. 1828 Comment
  CAS-BOT-BC104339  Quercus sadleriana Baki Kasapligil 1981-6-26 6184 Siskiyou 9 miles E of O'Brien road from Takilm to Happy Camp Comment
  SEINET12029178  Quercus sadleriana S. L. Holloway 1963-1 77 Siskiyou jct Red Rock Valley Trail and Canyon Creek trail, Marble Mountain Wilderness Area Comment
  CAS-BOT-BC104637  Quercus vacciniifolia W. R. Dudley 1899-8-22 s.n. Siskiyou Near Spring - Craggy Mt. Comment
  HSC535  Quercus vacciniifolia William J. Ferlatte 1967-8-23 1085 Siskiyou Head of Kidd Creek; E side of Black Mtn. 2134 Comment
  CAS-BOT-BC328127  Raillardella pringlei Bruce G. Baldwin 1986-7-21 617 Siskiyou Near Mount Eddy ca. 0.25 mile north of Gumboot Lake along Gumboot Creek, Shasta-Trinity National Forest Comment
  JEPS75772  Raillardella pringlei Susan Horner 1976-10-5 49 Siskiyou along stream draining out of Toad Lake 2072 Comment
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Oct 13 2011
  POM147915  Raillardella pringlei J. B. Feudge 1927-7-24 1818 Siskiyou Along trail, Mt Shasta City to Mt. Eddy. 1677 Comment
  HSC98331  Ranunculus alismifolius var. alismellus G. L. Clifton 1979-7-1 6161 Siskiyou Near Poker Flat, close to the town of Happy Camp 1538 Comment
  JEPS55081  Ranunculus alismifolius var. alismifolius Milo S. Baker 1893-8-8 Siskiyou Medicine Lake; near shore Comment
  CAS-BOT-BC380409  Ranunculus alismifolius var. hartwegii Elmer I. Applegate 1931-6-24 6808 Siskiyou west side of Medicine Lake 1981 Comment
  JEPS60681  Ranunculus glaberrimus Milo S. Baker 1933-4-10 7350 Siskiyou Pacific Hwy 2 mi s Yreka; Pine Grove Auto Camp Comment
  SEINET12100634  Ranunculus orthorhynchus Unknown 1936-1 13306 Siskiyou Hornbrook Comment
  UC796607  Ranunculus orthorhynchus var. orthorhynchus Roxana S. Ferris and Laura Lorraine Jun 12 1948-Jun 16 1948 11820 Siskiyou Parker Ranch Plowman's (Noyes) Valley, e. fork of Scott River Drainage 1203 Comment
  RSA269271  Ranunculus testiculatus T. C. Fuller 1970-3-24 s.n. Siskiyou Juvenile Hall, S of jct of Annie and State Street, Yreka Comment
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Mar 20 2011
  UCD97134  Ranunculus testiculatus T. C. Fuller 1970-3-24 19359 Siskiyou Yreka, Juvenile Hall, s. of junct. of Annie and State Streets. Comment
  UCD97135  Ranunculus testiculatus T. C. Fuller 1970-3-24 19359 Siskiyou Yreka, Juvenile Hall, s. of junct. of Annie and State Streets. Comment
  UC1181802  Ranunculus uncinatus Dorothy Parker 1950-5-21 433 Siskiyou Fay Lane Siskiyou Mountains, Scott Valley (edges of swamp) 853 Comment
  RSA240070  Ranunculus uncinatus var. parviflorus Frederick W. Oettinger 1969-8-9 1313 Siskiyou Along trail near Youngs cabin. Salmon Mtns. High Lake Basins in the vicinity of English Peak. Marble Mtn Wilderness Area. 1463 Comment
  JEPS94640  Rhamnus californica subsp. occidentalis Vernon H. Oswald and Lowell Ahart 1998-8-3 9447 Siskiyou Rock Fence Lake Rd. (USFS 41N18) 0.1 mi ne intersection with Kangaroo Lake Rd. (USFS 41N08) (4.9 mi se of Gazelle-Callahan Rd.) 1676 Comment
  UC61094  Rhamnus californica subsp. occidentalis Milo S. Baker 1899-7-31 Siskiyou e slope Mt. Shasta (on Ash Creek); , Ash Creek Comment
  CAS-BOT-BC56111  Rhamnus ilicifolia Doris Overman 1919-9-1 s.n. Siskiyou Yreka Comment
  UC637071  Rhamnus purshiana Edward Lee 1934-8-15 1124 Siskiyou summit of Happy Camp to Waldo (Oregon) road (Indian Creek watershed); Klamath National Forest, Indian Creek 1615 Comment
  HSC101869  Rhododendron columbianum R. D. Whittlesey 2013-8-3 13 Siskiyou 3.2 mi. west on Castle Creek Rd. from Castella, and 3.0 mi. up Sulfur Creek Climber's Trail. 1585 Comment
  CAS-BOT-BC199725  Rhododendron occidentale L. B. Kildale 1930-6-1 9730 Siskiyou Salmon River between Oak Bottom and Somes Bar Comment
  JEPS49301  Ribes aureum Annie M. Alexander and Louise Kellogg 1911-6-4 108 Siskiyou Mayten Comment
  HSC99335  Ribes binominatum G. L. Clifton 1979-7-1 6193 Siskiyou Near Poker Flat, close to the town of Happy Camp 1538 Comment
  CAS-BOT-BC108780  Ribes cereum Carl B. Wolf 1941-7-26 11075 Siskiyou Southwest end of Little Shasta Valley, 12 miles northeast Weed on U.S. Highway #97 at junction with road to Montague. 883 Comment
  SBBG28485  Ribes cereum A. A. Heller 1938-7-12 Siskiyou US Hwy 97, 8 mi N of Weed Comment
  CAS-BOT-BC168869  Ribes inerme var. klamathense Ellsworth Bethel 1923-5-21 s.n. Siskiyou Sisson Comment
  JEPS49410  Ribes inerme var. klamathense Geo. D. Butler 1910-4-9 1160 Siskiyou Yreka Comment
  HSC62282  Ribes lacustre Al Hobart 1968-6-20 Siskiyou Youngs Valley Comment
  JEPS84054  Ribes lacustre L. R. Heckard with S. D'Alcamo, J. Hickman, S. Winchester 1986-7-16 6352 Siskiyou ca. 1/2 mi se Red Butte (ca. 7 mi nne of Seiad Valley, w of Cook and Green Pass) 1730 Comment
  CAS-BOT-BC173385  Ribes lobbii Ira L. Wiggins 1955-7-22 13460 Siskiyou Ridge W of China Creek S side of S Fork of Salmon River 960 Comment
  HSC32159  Ribes lobbii J. O. Sawyer 1970-6-17 2202 Siskiyou 1768 Comment
  SEINET3151806  Ribes lobbii G. D. Butler 1910-5-30 1442 Siskiyou Humbug Creek Comment
  UCD78096  Ribes montigenum Robert E. Preston 2001-7-21 1713 Siskiyou Klamath National Forest, north slope of Rainbow Mountain, T42N R1W ne 1/4 Section 22 2036 Comment
  CHSC78518  Ribes nevadense Vernon H. Oswald 2000-8-28 9953 Siskiyou Kangaroo Lake Road ca. 0.5 mi north of the road to Rock Fence Creek Lake. 1487 Comment
  UC60939  Ribes nevadense Geo. B. Grant September, 1902 5227 Siskiyou Shasta Springs Mount Shasta 609 Comment
  CDA25573  Ribes roezlii var. cruentum G. D. Barbe, J. T. Howell, T. C. Fuller 1980-4-29 2610 Siskiyou 3 km east of Forest Mountain summit, Highway 3, southwest of Yreka. Comment
  RSA0019537  Ribes sanguineum Geo. D. Butler 1910-5-1 1265 Siskiyou Humbug Mountain. Comment
  CAS-BOT-BC173908  Ribes velutinum A. A. Heller 1938-7-12 15251 Siskiyou Eight miles north of Weed along U.S. Highway #97 Comment
  RSA0019710  Ribes velutinum Elmer I. Applegate 1929-5-2 5557 Siskiyou Shasta Valley between Gazelle and Yreka. Comment
  RSA0019714  Ribes velutinum Louis C. Wheeler 1935-5-4 3467 Siskiyou Greenhorn Creek, Siskiyou Mountains. 854 Comment
  CAS-BOT-BC168798  Ribes viscosissimum R. J. Mastrogiuseppe; J. D. Mastrogiuseppe 1974-9-2 160 Siskiyou Wooded slopes near Kidd Cr. 1828 Comment
  CAS-BOT-BC168800  Ribes viscosissimum Edna Kelsey 1961-8-1 s.n. Siskiyou Skyhigh Lake, Marble Mts. Comment
  HSC92778  Ribes viscosissimum Jennifer Whipple 1976-7-8 1368 Siskiyou Ridgetop W of Dobkins Lake 2256 Comment
  UC75456  Ribes viscosissimum Milo S. Baker 1898-8-1 472 Siskiyou Medicine Lake Comment
  JEPS86151  Ribes viscosissimum Wayne Roderick 1958-4 Siskiyou ca. 0.1 mi e Salmon Mountain Summit (w of Etna) 1828 Comment
  UC673226  Romanzoffia californica Lincoln Constance, Reed C. Rollins 1942-5-13 2904 Siskiyou Klamath River 4 mi e of Seiad; Klamath-Siskiyou Region, Klamath River 457 Comment
  UC922467  Romanzoffia sitchensis Annie M. Alexander and Louise Kellogg 1949-7-28 5880 Siskiyou Marble Mountains, Sky High Valley Sky High Valley; Marble Mountains, Sky High Valley 1767 Comment
  RSA238851  Romanzoffia sitchensis Frederick W. Oettinger 1969-7-10 957 Siskiyou Due SSW of Upper English Lake. Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountains Wilderness Area. 1921 Comment
  CAS-BOT-BC74371  Rorippa columbiae Dean William Taylor; Barbara Williams 1987-6-29 9096 Siskiyou White Deer Lake. 1399 Comment
  CHSC86437  Rorippa columbiae Jenny Marr 1993-7-1 91 Siskiyou Butte Valley Wildlife Area, SE of Meiss Lake, +/- 3 mi E of McDoel. Dept of Fish and Game land. Marsh. 1371 Comment
  JEPS84186  Rorippa curvisiliqua L. R. Heckard with J. Hickman et al. 1986-7-17 6513 Siskiyou n slope Condrey Mt.; n slope Condrey Mt. 1960 Comment
  CAS-BOT-BC74654  Rorippa curvisiliqua Doris K. Kildale 1928-7-4 5530 Siskiyou 1.5 mile west of summit of divide between Salmon River and Scott Valley. Comment
  CAS-BOT-BC146435  Rosa bridgesii Alice Eastwood 1912-7-20 1247 a Siskiyou Sisson Comment
  UC467675  Rosa californica Annie M. Alexander and Louise Kellogg 1911-6-13 128 Siskiyou 6 mi nw Callahan Comment
  POM88595  Rosa eglanteria Geo. D. Butler 1910-7-31 1802 Siskiyou Near Yreka Comment
  RSA105510  Rosa eglanteria G. D. Barbe 1953-6-27 3 Siskiyou 0.8 miles N of Callahan near Hjertagers' Mill. 976 Comment
  HSC61514  Rosa gymnocarpa Ruby Van Deventer 1939-7-18 Siskiyou Kelley Lake and Kelley Lake Trail 1372 Comment
  HSC69390  Rosa gymnocarpa Maralyn A. Renner 1980-8-31 2660 Siskiyou Poker Flat at trailhead to Twin Valley 1524 Comment
  CAS-BOT-BC148326  Rosa pisocarpa Alice Eastwood 1917-9-2 6663 Siskiyou Shasta Springs Comment
  HSC60785  Rosa pisocarpa Ruby Van Deventer 1960-7-7 Siskiyou Bell Echo Camp in Youngs Valley Comment
  HSC32289  Rosa rubiginosa J. O. Sawyer 1970-6-15 2200 Siskiyou Slopes N of Sugar Creek 976 Comment
  CAS-BOT-BC147139  Rubus glaucifolius Louis C. Wheeler 1934-8-31 3233 Siskiyou Bear Creek off West Fork Beaver Creek, Siskiyou Mts. 1767 Comment
  UCSC000370  Rubus leucodermis I. J. Condit 2009-8-23 s.n. Siskiyou near Sisson Sisson - Castle Lake 1829 Comment
  CAS-BOT-BC147308  Rubus parviflorus John Thomas Howell 1937-7-21 13190 Siskiyou South Fork of Salmon River near Big Flat 1524 Comment
  CAS-BOT-BC147313  Rubus parviflorus John Thomas Howell 1939-8-2 14937 Siskiyou Spirit Lake, Marble Mts. 1828 Comment
  HSC68977  Rubus ursinus Maralyn A. Renner 1980-7-24 2114 Siskiyou Pacific Crest Trail, 0.25 mi. SW of Cook and Green Pass. 1494 Comment
  CAS-BOT-BC6026  Rudbeckia californica var. intermedia L. E. Smith 1913-9-1 557 Siskiyou Mt. Eddy Comment
  OBI55479  Rudbeckia klamathensis David J. Keil, Kathleen Keil 1992-7-21 23528 Siskiyou Klamath Natl Forest SE of Callahan. Forest Rd 40N08. 0.5 mi W of Scott Mtn rd (hwy 3) 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
  UCD101073  Rumex acetosella John M. Tucker 1974-7-28 4316 Siskiyou Siskiyou Co.; Marble Mountain Wilderness Area, Haypress Meadows. 1463 Comment
  CAS-BOT-BC422228  Rumex acetosella Wm. Bridge Cooke 1938-8-21 11549 Siskiyou Mount Shasta. At Horse Camp. Comment
  HSC33984  Rumex acetosella J. P. Smith 1974-5-25 7473 Siskiyou Along Rd. 8, 4.7 mi. W of its junction with Hwy. 3 1159 Comment
  JEPS39895  Rumex crispus Geo. D. Butler 1909-6-5 971 Siskiyou Yreka Comment
  HSC17612  Rumex triangulivalvis R. C. Wunner 1965-6-22 266 Siskiyou Lava Beds NM, 1 mi. NW of Stronghold 1220 Comment
  UC166121  Sagina saginoides Geo. D. Butler 1910-7-12 1764 Siskiyou Shackleford Creek 1219 Comment
  CAS-BOT-BC103367  Salix bonplandiana Thos. Howell 1889-4-14 1393 Siskiyou Hornbrook Comment
  RSA261430  Salix eastwoodiae J. M. Tucker 1963-7-7 3730 -A Siskiyou Paradise Lake Public Camp. At base of Kings Castle on the E side. Marble Mtn Wilderness Area. 1982 Comment
  UCR78459  Salix exigua Scott D. White 1993-8-24 1841 Siskiyou Klamath National Forest. 'Tree of Heaven' campground, off Hwy 96. Comment
  HSC86544  Salix lasiandra D. K. Imper 1987-6-6 Siskiyou 8 mi. E of Somes Bar 1372 Comment
  UC164393  Salix lasiandra subsp. lasiandra Geo. D. Butler 1909-4-20 1077 Siskiyou along creek near Yreka (opposite <Mc__ys> old dam) Comment
  CAS-BOT-BC125450  Salix lasiandra var. lasiandra L. E. Smith 1913-4-14 629 Siskiyou Weed Comment
  CAS-BOT-BC125464  Salix lasiandra var. lasiandra Mrs. H. P. Bracelin 1931-6-21 473 Siskiyou North base of Mount Eddy, about 13 km. northwest of Shasta City; about 1.3 km. east of Burney Mill 1110 Comment
  UC481900  Salix lasiolepis Mrs. H. P. Bracelin 1931-6-19 409 Siskiyou about 16 km nw Shasta City (ne side of mt., edge of stream above Metcalf ranch house); Mount Eddy 1425 Comment
  UC482242  Salix lasiolepis Mrs. H. P. Bracelin 1931-6-19 417 Siskiyou about 16 km nw Shasta City (ne side of mt., edge of stream above Metcalf ranch house); Mount Eddy 1425 Comment
  UC576383  Salix lasiolepis Mrs. H. P. Bracelin 1936-4-15 832 Siskiyou 8-9 mi. n.w.of Mt. Shasta City (Wagon Creek above Metcalf ranch house); e. side Mt. Eddy 1203 Comment
  UC576391  Salix lasiolepis Mrs. H. P. Bracelin 1935-9-3 854 Siskiyou 11 mi. n.w. from Mt. Shasta City (ca. 2 mi. e. of Burney Mill, n. base Mt. Eddy, flat beside creek at second bridge); n. base Mt. Eddy 1127 Comment
  CAS-BOT-BC124537  Salix lasiolepis var. lasiolepis Alice Eastwood 1917-9-2 s.n. Siskiyou Shasta Springs Comment
  CAS-BOT-BC124901  Salix lemmonii W. R. Dudley 1899-8-8 s.n. Siskiyou Near Big Spring - Sisson Comment
  LA208891  Salix lemmonii Mrs. H. P. Bracelin; 1931-6-21 467 Siskiyou N side of Mount Eddy, about 21 km NW of Shasta City; 180 m. below Dobkin's Lake 1770.0 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
  UC481736  Salix lemmonii Mrs. H. P. Bracelin 1931-6-21 467 Siskiyou ca. 21 km. n.w. of Shasta City (meadow 180 m. below Dobkin's Lake); n. side Mt. Eddy 1770 Comment
  UC576376  Salix ligulifolia Mrs. H. P. Bracelin 1936-5-12 846 Siskiyou 11 mi. n.w. from Shasta City (ca. 2 mi. e. of Burney Mill, n. base Mt.Eddy, beside creek at bridge); Mt. Eddy 1127 Comment
  SBBG57821  Salix lucida subsp. lasiandra Mrs. H. P. Bracelin 1931-6-21 473 Siskiyou N base of Mt Eddy, ca. 13 km NW of Shasta City 1110 Comment
  CAS-BOT-BC125933  Salix prolixa W. R. Dudley 1899-8-15 s.n. Siskiyou [Glazier] Glacier/Glaser along McCloud Comment
  CDA21576  Salix scouleriana Marianne Cabot 2008-8-12 PDR# 1413931 Siskiyou Ft. Jones, 6711 Mill Creek Rd. 0 Comment
  SD880  Salix scouleriana Mrs. H. P. Bracelin 1931-6-19 435 Siskiyou North base of Mount Eddy, about 10 km northwest of Shasta City, east of Metcalf Ranch House 1079 Comment
  SJSU209  Salix scouleriana Mrs. H. P. Bracelin 1931-6-20 444 Siskiyou Wagon Cr Canyon c. 1 km up from Metcalf ranch house, E side of Mt Eddy c.17 km NW of Shasta city 1158 Comment
  UC449843  Salix scouleriana L. S. Smith 1931-6-1 13 Siskiyou near Mt. Shasta Mt. Shasta 1066 Comment
  UC481711  Salix scouleriana Mrs. H. P. Bracelin 1931-6-20 445 Siskiyou ca. 17 km. n.w. Shasta City (above stream in Wagon Creek Canyon, ca. 1 km. up from Metcalf ranch house, e. side of Mt. Eddy); Mt. Eddy Comment
  UC481722  Salix scouleriana Mrs. H. P. Bracelin 1931-6-21 472 Siskiyou 13 km. n.w. Shasta City (1.3 km. e. of Burney Mill, beside creek at bridge, n. base Mt. Eddy); Mt. Eddy 1100 Comment
  HSC92120  Salix sitchensis Jennifer Whipple 1978-10-6 2418 Siskiyou Dale Creek drainage on the N face of Mt. Eddy 2195 Comment
  CHSC14084  Salvia sonomensis K. R. Stern; D. B. Joley, J. G. Geschke 1974-4-23 5832 Siskiyou Vicinity of Bule Grotto Cave, Lava Beds National Monument. 1456 Comment
  CAS-BOT-BC235044  Sambucus W. R. Dudley 1901-8-21 s.n. Siskiyou Rush Creek, Meadows, Salmon Mts. Comment
  RSA183737  Sambucus caerulea Gilbert Muth 1965-8-2 143 Siskiyou 1/2 mile btween gate and Lower Sky High Lakes, Marble Mountains Comment
  UC1539995  Sambucus mexicana M. Mitchell 1936-5-19 35 Siskiyou Lava Beds National Monument 1371 Comment
  CAS-BOT-BC238893  Sambucus nigra subsp. caerulea Alice Eastwood 1917-9-2 6662 Siskiyou Shasta Springs Comment
  CDA42179  Sambucus racemosa T. C. Fuller 1974-9-24 20025 Siskiyou Reeves Ranch Springs, ca. 2 miles south of Scraggy Mountain, Siskiyou Mountains. 0 Comment
  CAS-BOT-BC236484  Sambucus racemosa subsp. racemosa Louis C. Wheeler 1934-8-2 3019 Siskiyou Alex Canyon, Klamath Forest 1889 Comment
  HSC674  Sambucus racemosa var. melanocarpa William J. Ferlatte 1967-7-26 747 Siskiyou Caribou Basin, ridge W of Big Caribou Lake. 2134 Comment
  HSC38874  Sanicula graveolens J. P. Smith 1973-5-5 6491 Siskiyou Along Cook and Green Pass Rd. Comment
  JEPS84044  Sanicula graveolens L. R. Heckard with J. Hickman et al. 1986-7-17 6455 Siskiyou ca. 5 mi. n. town of Seiad Valley (ridge e. of Kangaroo Peak, s. of Lily Pad Lake) 1900 Comment
  UC1034053  Sanicula graveolens W. Bridge Cooke 1941-7-18 16083 Siskiyou below Wagon Camp (near the Bear Springs-Wagon Camp Road, Mount Shasta); Mount Shasta 1706 Comment
  OBI55094  Sanicula graveolens L. Constance 1950-7-16 3360 Siskiyou East slope of Little Grayback Peak near summit 1737 Comment
  POM77780  Sanicula graveolens Geo. D. Butler 1910-5-1 1258 Siskiyou Humbug Mountain 1220 Comment
  HSC12270  Saponaria officinalis Richard Spjut 1970-7-17 467 Siskiyou Just off Hwy. 89 at the W end of McCloud 1220 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
  HSC49938  Saussurea americana G. L. Clifton, Ground 1978-7-30 2461 Siskiyou Near White Mt., close to the town of Seiad Valley 1738 Comment
  UCR37585  Saxifraga ferruginea var. vreelandii L. P. Janeway 1983-9-11 653 Siskiyou Poker Flat 1524 Comment
  RSA237684  Saxifraga nidifica Frederick W. Oettinger 1969-7-9 940 Siskiyou NW of Upper English Lake. Salmon Mtns. High Lake Basins in the vicinity of English Peak. Marble Mtn Wilderness Area. 1921 Comment
  JEPS82436  Saxifragopsis fragarioides Gilbert Muth 1966-7-25 452 Siskiyou below lookout n Marble Rim; Marble Mountain Wilderness Area 2072 Comment
  CAS-BOT-BC445875  Saxifragopsis fragarioides Louis C. Wheeler 1934-8-2 3015 Siskiyou Alex Hole, Alex Canyon; Siskiyou Mts., Mt. Diablo Mer. 1889 Comment
  RSA0101700  Sceptridium multifidum Frederick W. Oettinger, Robert F. Thorne 1969-8-7 1278 Siskiyou On the east shore of English Lake. 1753 Comment
  UCD126475  Schedonorus pratensis A. A. Heller 1915-8-24 12214 Siskiyou Metcalf's ranch, northeast base of Mt. Eddy. 1188 Comment
  CAS-BOT-BC111411  Schoenoplectus acutus var. occidentalis D. E. Breedlove 1962-6-10 3323 Siskiyou On the north bank of the Klamath River at its junction with Goff Creek. 411 Comment
  CHSC40155  Scirpus pendulus L. P. Janeway 1983-7-30 469 Siskiyou At edge of small drainage ditch of rancid water along the road to Copco Lake. 883 Comment
  HSC10893  Scribneria bolanderi L. C. Wheeler 1935-5-18 3500 Siskiyou Yreka Creek 854 Comment
  CHSC63403  Scutellaria antirrhinoides Vernon H. Oswald; Lowell Ahart 1994-7-11 6406 Siskiyou Forest Rd. 26 (to Mt. Shasta) paralleling the South Fork of the Sacramento River, just W of Forest Rd. 40N43, 9.2 mi SW of the dam at Lake Siskiyou. 1447 Comment
  UC1523370  Scutellaria nana J. G. Lemmon 1889-6-26 Siskiyou Edgewood Comment
  UCD13291  Scutellaria siphocampyloides W. C. Overton Jr. 1977-6-26 s.n. Siskiyou Siskiyou CO. Scott Bar Mountains, beside Ridge Road, 3.15 miles from junction with Hawkinsville Road, northwest of Yreka. Elevation ca. 4750 feet. Comment
  CDA16164  Secale cereale G. F. Hrusa 1998-5-25 14470 Siskiyou Klamath Ranges; +- 1 mi S of Weed, on frontage Rd. along I-5. Common between road & fence, possibly planted. 0 Comment
  CDA2411  Secale cereale T. C. Fuller 1958-6-19 1893 Siskiyou Tom Williams property, 4 miles northeast of Montague. 0 Comment
  HSC26548  Secale cereale J. P. Smith, Steve Selva 1970-7-17 4429 Siskiyou Along Klamath River Comment
  CAS-BOT-BC64080  Sedum kiersteadiae L. E. Smith 1913-6-13 433 Siskiyou Mount Eddy Comment
  RSA0059720  Sedum lanceolatum L. C. Wheeler 1934-8-9 3075 Siskiyou Head of Jaynes Canyon; Siskiyou Mts. Mt. Diablo Mer. North slope. 1921 Comment
  RSA0076356  Sedum lanceolatum E. K. Balls 1949-7-8 13915 Siskiyou Trail from Scott Mountain Camp to Carmen Lake, Scott Mt. 1753 Comment
  RSA297051  Sedum lanceolatum John F. Emmel 1974-7-22 523 Siskiyou Meadows 0.2 air mile N of N end of Lower Wright Lake, Marble Mountain Wilderness Area. 2088 Comment
  UC1045308  Sedum obtusatum subsp. boreale W. B. Cooke 1940-8-22 15459 Siskiyou banks Mud Creek Canyon; Mount Shasta, banks Mud Creek Canyon 1981 Comment
  HSC19431  Sedum obtusatum subsp. retusum J. O. Sawyer 1968-7-9 418 Siskiyou Ridge between Sugar Creek and Duck Lake Creek drainages 2195 Comment
  HSC74907  Sedum obtusatum subsp. retusum J. P. Smith 1978-7-1 9959 Siskiyou Klamath National Forest, Baker Cypress Grove 854 Comment
  HSC19537  Sedum obtusatum subsp. retusum J. O. Sawyer 1969-7-24 1501 Siskiyou Steep slopes of Sugar Creek drainage 1890 Comment
  UC205173  Sedum spathulifolium Lewis C. Rosenbaum June 1916 Siskiyou Shasta Springs 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
  HSC76686  Sedum stenopetalum K. T. Stillman 1976-7-30 321 Siskiyou Marble Mtn. Wilderness Area, ridge N of Black Mtn. into Elk Valley by way of Boulder Field, SE corner of valley 1768 Comment
  RSA576448  Selaginella densa var. scopulorum Louis Cutter Wheeler 1934-8-14 3122 Siskiyou 0.5 mile west White Mountain, Siskiyou Mountains 1921 Comment
  CAS-BOT-BC496375  Selaginella scopulorum Louis C. Wheeler 1934-8-14 3122 Siskiyou Siskiyou Mts., 0.5 mile W White Mt. 1920 Comment
  RSA576449  Selaginella wallacei Louis Cutter Wheeler 1934-8-15 3158 Siskiyou East Fork Horse Creek, Siskiyou Mtns. (Mt Diablo Mer) 1524 Comment
  CHSC33066  Senecio aronicoides James Payne Smith Jr. 1976-5-21 8769 Siskiyou Klamath National Forest, Forest Road 40N08, 6.9 miles from its junction with State Route 3. 1524 Comment
  JEPS82277  Senecio hydrophilus Roger Raiche 1983-8-14 30626 Siskiyou between road of North Mt. Shasta Blvd (900 block) and Shasta City railroad tracks 975 Comment
  HSC76910  Senecio integerrimus K. T. Stillman 1976-6-26 122 Siskiyou Marble Mtn. Wilderness Area, near Bear Lake. 1829 Comment
  CAS-BOT-BC363936  Senecio integerrimus var. exaltatus Geo. D. Butler 1910-5-10 1332 Siskiyou Goosenest foothills 1524 Comment
  CAS-BOT-BC363941  Senecio integerrimus var. exaltatus Geo. D. Butler 1910-5-1 1263 Siskiyou Humbug Mountain Comment
  CAS-BOT-BC363946  Senecio integerrimus var. exaltatus Ruby Vandeventer 1937-7-8 s.n. Siskiyou On road to Happy Camp Comment
  CDA8647  Senecio integerrimus var. exaltatus T. C. Fuller 1962-6-12 8965 Siskiyou Road to Medicine Lake, ca. 3 miles southeast of Dorris. 0 Comment
  CHSC417  Senecio triangularis 1939-7-12 Siskiyou Mt. Shasta. 1828 Comment
  CAS-BOT-BC364450  Senecio triangularis C. L. Hitchcock; J. S. Martin 1939-7-6 5204 Siskiyou Siskiyou Mts., 2 miles within California boundary on Takilma-Happy Camp road 1554 Comment
  JEPS25663  Senecio triangularis Rimo Bacigalupi with Mr. and Mrs. Van Deventer 1959-7-10 7306 Siskiyou 4 air mi nne Preston Peak (just e of Del Norte County line, watershed of Indian Creek, meadow at Twin Valley); Siskiyou Mts., Twin Valley, Indian Creek 1493 Comment
  UC1557912  Sericocarpus oregonensis J. Semple, S. Heard 1986-8-16 8479 Siskiyou nw of Salmon Forks (along Salmon River, For. Hwy. 93); Salmon River Comment
  CAS-BOT-BC240271  Setaria viridis Catherine Best 1982-7-23 s.n. Siskiyou Along the edge of Hwy 5 near about 5 miles south of Weed Comment
  UCD92872  Setaria viridis R. Tofsrud 1948-8-1 s.n. Siskiyou Dunsmuir. Comment
  HSC61977  Sibbaldia procumbens Al Hobart 6 Aug [year missing] Siskiyou Preston Pk. 1982 Comment
  HSC46145  Sidalcea malviflora subsp. nana J. P. Smith, Steve Selva 1970-7-15 4356 Siskiyou Baldy Mtn. Lookout Station 1723 Comment
  HSC75347  Sidalcea malviflora subsp. nana J. O. Sawyer, M. Mesler 1980-8-10 4029 Siskiyou S of Carmen Lake, ultramafics of Scott Mtn. 1829 Comment
  UC163716  Sidalcea oregana Geo. D. Butler 1908-8-3 61 Siskiyou Log Lake , Log Lake (Shackleford Creek) Comment
  UC73428  Sidalcea oregana subsp. spicata Milo S. Baker Aug., 1897 148 Siskiyou Medicine Lake 2133 Comment
  UC1409371  Silene campanulata subsp. glandulosa Frederick W. Oettinger 1968-8-16 543 Siskiyou n Red Hill (near outlet Hancock Lake, high lake basins in the vicinity of English Peak, Salmon Mountains, Marble Mountain Wilderness Area, western Siskiyou County); Marble Mountain Wilderness Area, Salmon Mountains 1996 Comment
  RSA237849  Silene campanulata subsp. glandulosa Frederick W. Oettinger 1969-8-22 1497 Siskiyou On the south side of Horses Hole Pond above Horse Range Lake. Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1875 Comment
  HSC92350  Silene grayi Jennifer Whipple 1976-7-14 1480 Siskiyou SE slope of Mount Eddy draining into the N Fork of the Sacramento River 2195 Comment
  UCD98589  Silene grayi Mary Ann Showers 1980-8-28 2059 Siskiyou to the north of Red Butte on the lower slopes of Mt. Shasta, Shasta Trinity National Forest. 2316 Comment
  UCD98591  Silene grayi Mary Ann Showers 1980-8-28 2051 Siskiyou along trail between old ski area and Panther Meadows on Mt. Shasta. 2377 Comment
  CAS-BOT-BC181253  Silene hookeri subsp. hookeri J. H. Thomas 1954-5-12 4122 Siskiyou Near South Fork of Salmon River, 5 to 9 miles southeast of Cecilville, Salmon Mountains, Klamath National Forest 975 Comment
  UC1282008  Silene invisa Louise Kellogg Aug 5 1953-Aug 7 1953 104 Siskiyou 1 mi n Cory Peak (Cabin Meadow, 11 mi e of Callahan on road to Gazelle then s 5.8 mi on logging road, Klamath National Forest, Scott Mountains); Klamath National Forest, Scott Mts., n of Cory Peak 1844 Comment
  RSA12664  Silene latifolia C. B. Wolf 1934-7-7 6032 Siskiyou Along upper Sacramento River, ar[ound] Dunsmuir. Comment
  UCR51823  Silene vulgaris J. O. Sawyer, K. T. Stillman 1976-7-1 2792 Siskiyou Along the Little North Fork of the Salmon River. 732 Comment
  HSC27980  Silene vulgaris Gary S. Lester 1973-7-16 51 Siskiyou Above Wooley Creek trail at Canyon Creek crossing 488 Comment
  CAS-BOT-BC75153  Sisymbrium altissimum A. A. Heller 1916-7-21 12480 Siskiyou Near Upton. 1097 Comment
  HSC64805  Sisymbrium altissimum J. P. Smith 1974-5-26 7388 Siskiyou Along FS Rd. 47N03 1524 Comment
  HSC36814  Sisymbrium officinale J. P. Smith 1974-5-27 7620 Siskiyou Along FS Rd. 47N03 1280 Comment
  POM109017  Sisyrinchium bellum Geo D. Butler 1910-6-6 1556 Siskiyou Quartz Valley Comment
  UC1045313  Smilax californica W. Bridge Cooke 1940-6-20 15158 Siskiyou along Pacific Highway (along river bank); Klamath River Gorge 609 Comment
  HSC30413  Smilax jamesii Frederick W. Oettinger 1969-8-1 1138 Siskiyou Marble Mountain Wilderness Area, near stream below English Lake. 1814 Comment
  HSC36222  Solanum nigrum John Rehling Siskiyou Along Hwy. 3, .5 mi. N of Fort Jones Comment
  NY821197  Solanum parishii W. B. Cooke 1940-6-6 15075 Siskiyou Along the Castle Lake Road 1676 Comment
  JEPS84277  Solanum umbelliferum L. R. Heckard with S. D'Alcamo, J. Hickman, S. Winchester 1986-7-15 6311 Siskiyou Indian Creek Road from Takilma to Happy Camp (just s of state line) Comment
  RSA105461  Solanum umbelliferum Douglas Barbe 1955-6-27 2 Siskiyou 2 miles E of Callahan at Trinity Center Road junction 976 Comment
  RSA68867  Solanum umbelliferum A. E. Culbertson 1943-6-24 89 Siskiyou At lake level in rocks along the road at Castle Lake, 5434, in a north facing cirque with an abrupt 1000' back wall; 14 miles SW of Mt. Shasta on N side of a 6000' eastern spur of Trinity Mts., 2000' above Sacramento River within 10 air miles of its headwaters to the west. 1657 Comment
  RSA298136  Solidago canadensis subsp. elongata J. P. Smith, J. O. Sawyer 1971-9-17 4781 Siskiyou At Little Duck Lake Comment
  HSC2321  Solidago elongata Geo. D. Butler 1910-8-31 1858 Siskiyou Comment
  JEPS80578  Solidago elongata Gilbert Muth 1965-8-3 146 Siskiyou Marble Valley , Marble Valley (Marble Mt. Wilderness Area) 1792 Comment
  CHSC114087  Solidago multiradiata Danielle Roach 2011-8-25 Siskiyou Middle Fork Sacramento River headwaters, east slope of the Eddys. 1947 Comment
  RSA186321  Solidago multiradiata Gilbert Muth 1966-10-16 2 Siskiyou Marble Mountains 1793 Comment
  JEPS22566  Solidago spectabilis Rimo Bacigalupi with Drs. Reino & Aloha Alava 1958-9-2 6833 Siskiyou just north and below Scott Mountain road summit 1615 Comment
  CAS-BOT-BC365248  Solidago velutina subsp. californica Henry M. Pollard 1956-10-7 s.n. Siskiyou Klamath River bar on Spink's Ranch at Roger's Creek, Somes Bar Comment
  CAS-BOT-BC374523  Sonchus asper W. B. Cooke; V. G. Cooke 1963-7-12 34329 Siskiyou Memorial Highway, Mt. Shasta Comment
  CAS-BOT-BC157325  Sorbus californica Wm. Bridge Cooke 1939-6-30 13576 Siskiyou Along the Sisson Southern Trail Comment
  RSA237833  Sorbus scopulina Frederick W. Oettinger 1969-9-5 1674 Siskiyou Upper English Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1921 Comment
  POM172661  Sparganium angustifolium Geo D. Butler 1910-7-13 1766 Siskiyou Shackleford Creek 1220 Comment
  CAS-BOT-BC149683  Spiraea douglasii A. A. Heller 1905-6-20 8085 Siskiyou Between Igerna and Weed Comment
  HSC18899  Spiraea douglasii J. O. Sawyer 1968-6-25 307 Siskiyou NE of N Horse Range Lake 2012 Comment
  JEPS45017  Spiraea douglasii Geo. D. Butler 1908-8-2 284 Siskiyou Log Lake; Shackleford Creek 1524 Comment
  RSA463116  Spiraea douglasii S. Morgan 1987-7-28 s.n. Siskiyou McGinnis Springs, 5 miles NW of McCloud, Shasta- Trinity National Forest, S of Mt. Shasta. 1768 Comment
  RSA472781  Spiraea douglasii M. K. Curran 1887-07 s.n. Siskiyou Edgewood. Comment
  UC136434  Spiraea douglasii Dr. E. B. Copeland 1903-8-12 3836 Siskiyou Sisson 1066 Comment
  UC136435  Spiraea douglasii A. A. Heller 1905-6-20 8085 Siskiyou between Igerna and Weed Comment
  CAS-BOT-BC149674  Spiraea douglasii W. R. Dudley 1901-8-25 s.n. Siskiyou 14 mile post, Salmon Creek, Salmon Mts. Comment
  SJSU6518  Spiraea splendens R. W. Trivelpiece 1972-6-29 143 Siskiyou N of Kelsey Range Ridge Trail, W of Red Hill, 12 mi W of Klamath R c. 16 mi SW of Happy Camp 1524 Comment
  SD88345  Stachys emersonii Darley F. Howe 1972-7-6 Siskiyou 1.3 miles south of Oregon state line on road to Happy Camp. 1646 Comment
  UC1408876  Stellaria calycantha Frederick W. Oettinger and R. F. Thorne 1969-8-4 1166 Siskiyou above inlet Hancock Lake (vicinity of English Peak); Salmon Mountains, Marble Mountain Wilderness Area, English P 1950 Comment
  SEINET3155908  Stellaria nitens G. D. Butler 1909-3-16 581 Siskiyou Butlers Ranch Comment
  JEPS24635  Stephanomeria lactucina Rimo Bacigalupi with Drs. Reino and Aloha Alava 1958-9-1 6790 Siskiyou A little above and east of McBride Springs south slopes of Mt. Shasta. 1432 Comment
  UCSB276  Stephanomeria lactucina Myrick, Donald 1964-7-25 Siskiyou Along Shasta Ski Bowl Highway, Mt. Shasta 1219 Comment
  POM56351  Stephanomeria lactucina Copeland 1903-8-15 3838 Siskiyou Sisson. Comment
  RSA474275  Stephanomeria lactucina Chadwick, Chadwick 1911-07 s.n. Siskiyou Shasta Springs. Comment
  CHSC63599  Stephanomeria paniculata Vernon H. Oswald; Lowell Ahart 1994-8-10 6453 Siskiyou Pilgrim Creek Rd. (FS13) at Mud Creek, 2.7 mi N of Hwy. 89, ca. 4.5 mi (air) NE of McCloud. Roadside. 1097 Comment
  HSC13337  Stipa comata R. C. Wunner 1965-6-22 269 Siskiyou Lava Beds N.M., 2 mi. N of Devils Homestead Overlook Comment
  HSC101542  Stipa lemmonii var. lemmonii J. P. Smith, J. O. Sawyer, R. J. Cole 2010-7-11 12995 Siskiyou Gazelle-Callahan Road. 1233 Comment
  HSC18976  Stipa occidentalis var. occidentalis J. O. Sawyer 1969-7-20 1568 Siskiyou SE facing slope near the N fork of Sugar Creek 1753 Comment
  CAS-BOT-BC61132  Streptanthus barbatus W. R. Dudley 1905-8-4 s.n. Siskiyou Trail to Mount Eddy. Comment
  UC1282013  Streptanthus barbatus Louise Kellogg 1953-8-8 109 Siskiyou creek on road between Callahan and Trinity Center (nw slope of mt); Scott Mountains, Klamath National Forest, Scott Mountain, Mu 1402 Comment
  HSC6948  Streptanthus tortuosus Lincoln Constance, R. C. Rollins 1942-5-13 2901 Siskiyou Klamath River near Clear Creek, 8 mi. S of Happy Camp 305 Comment
  RSA603096  Streptanthus tortuosus L. C. Wheeler 1935-6-27 3600 Siskiyou Head of Etna Creek, Marble Mountains 1799 Comment
  HSC43270  Streptanthus tortuosus var. tortuosus K. Irwin 1977-5-22 392 Siskiyou On S Fork Salmon River Rd., 4.5 mi. W of Cecilville Comment
  UC1334017  Streptanthus tortuosus var. tortuosus Dorothy Parker 1949-7-10 343 Siskiyou 2 mi from summit of Salmon Mountain; Siskiyou Mountains 1828 Comment
  CAS-BOT-BC269621  Symphoricarpos albus var. laevigatus Doris K. Kildale 1928-8-18 6445 Siskiyou Near head of North Fork of Salmon River at Finleys Upper Camp 1524 Comment
  CAS-BOT-BC269626  Symphoricarpos albus var. laevigatus John Thomas Howell 1937-7-21 13188 Siskiyou South Fork of Salmon River near Big Flat 1524 Comment
  HSC18881  Symphoricarpos mollis J. O. Sawyer 1968-9-13 722 Siskiyou W of the Happy Camp/O'Brien Rd. between Louse Creek and Indian Creek, on the E slopes of Little Grayback 1463 Comment
  HSC19110  Symphoricarpos mollis J. O. Sawyer 1969-7-23 1179 Siskiyou Along road near Horse Range Creek. 1341 Comment
  CAS-BOT-BC234789  Symphoricarpos mollis Elizabeth McClintock; Wayne Roderick; Martha Roderick 1967-7-29 s.n. Siskiyou Road to Mumbo Basin, Trinity Mts. 1889 Comment
  CAS-BOT-BC97872  Symphyotrichum eatonii Geo. D. Butler 1910-8-13 1828 Siskiyou Oro Fino Comment
  CAS-BOT-BC98945  Symphyotrichum foliaceum var. parryi Alice Eastwood 1912-8-30 1970 Siskiyou Mount Eddy Comment
  HSC77012  Symphyotrichum hendersonii K. T. Stillman 1976-7-7 167 Siskiyou Marble Mountain Wilderness Area 1982 Comment
  UC933469  Symphyotrichum hendersonii Annie M. Alexander 1948-9-9 5617 Siskiyou meadow at start of 2 mile trail to Taylor Lake from Cook & White Mine Taylor Lake; Siskyou Mountains 1584 Comment
  CAS-BOT-BC98433  Symphyotrichum spathulatum Doris K. Kildale 1929-8-24 9102 Siskiyou Rattlesnake Meadow, Preston Peak 1676 Comment
  CAS-BOT-BC98434  Symphyotrichum spathulatum Doris K. Kildale 1929-8-24 9025 Siskiyou Rattlesnake Meadow, Preston Peak 1676 Comment
  CAS-BOT-BC98441  Symphyotrichum spathulatum Wm. Bridge Cooke 1938-9-8 11607 Siskiyou Mount Shasta, Little Red Butte 2590 Comment
  JEPS22233  Symphyotrichum spathulatum Rimo Bacigalupi with Drs. Reino and Aloha Alava 1958-9-2 6820 Siskiyou 7 mi w of, in field near roadside Callahan 1127 Comment
  HSC26764  Symphyotrichum spathulatum var. spathulatum J. P. Smith, J. O. Sawyer 1971-9-18 4842 Siskiyou 2 mi. W of the junction of Hwy. 3 and Rd. 8, N of Callahan. 1037 Comment
  IRVC26651  Taeniatherum caput-medusae L. C. Wheeler 1935-6-4 3546 Siskiyou Shasta Valley; Grenada. 793 Comment
  HSC67634  Tamarix parviflora J. P. Smith 1976-5-4 8665 Siskiyou Hwy. 96, 1 mi. E of Klamath National Forest Boundary, along Klamath River. 610 Comment
  CAS-BOT-BC376856  Taraxacum Gilbert Muth 1966-8-1 484 Siskiyou Marble Valley Horse Pasture, Marble Mts. 1792 Comment
  UC564179  Taraxia tanacetifolia Elmer I. Applegate 1935-7-2 9285 Siskiyou old road to the lava beds near National Monument; Frenner's ranch Comment
  UC615192  Taraxia tanacetifolia Beryl O. Schreiber 1932-7-18 443 Siskiyou near Dorris Comment
  UCD107054  Taraxia tanacetifolia Wm. E. Moon 1958-5-29 s.n. Siskiyou State Hwy. 97, southwest of Hebron Summit. 1524 Comment
  CAS-BOT-BC85233  Taxus brevifolia W. R. Dudley 1899-8-14 s.n. Siskiyou Near Pig Creek, McCloud Comment
  CAS-BOT-BC85241  Taxus brevifolia Doris K. Kildale 1928-8-19 6557 Siskiyou Hancock Lake - trail to Marble Mt. 2133 Comment
  SEINET3876098 Image available Taxus brevifolia Alv Dan Youngberg 1964-8-17 34 Siskiyou Growing at West Branch Guard Station. Humbolt Meridian.; 0 671 Comment
  UCR168462  Taxus brevifolia L. C. Wheeler 1934-8-14 3138 Siskiyou Northwestern; Klamath Ranges, Siskiyou Mountains: Western end of White Mtn. 1829 Comment
  CAS-BOT-BC85234  Taxus brevifolia W. R. Dudley 1901-8-22 s.n. Siskiyou W. slope of Foxtail Ridge Salmon Mountains Comment
  CAS-BOT-BC447416  Tellima grandiflora Wm. F. Herrin 1920-5-1 s.n. Siskiyou Shasta Springs Comment
  HSC18991  Tellima grandiflora J. O. Sawyer 1969-7-18 1386 Siskiyou Near South Russian Creek 1890 Comment
  HSC20424  Tellima grandiflora Geo. D. Butler 1909-7-15 896 Siskiyou Highland Mine Comment
  HSC24028  Thalictrum polycarpum J. O. Sawyer 1971-7-15 2426 Siskiyou Along Red Rock Valley Creek 1585 Comment
  RSA184720  Thalictrum polycarpum Gilbert Muth 1966-7-17 408 Siskiyou Trail to lookout, Marble Mtns, Siskiyou county. Comment
  CDA25192  Thelypodium brachycarpum M. R. Pryor 1948-7-14 3705 Siskiyou 5 miles north of Gazelle, State Highway 99. 0 Comment
  CAS-BOT-BC88076  Thelypodium brachycarpum R. C. Barneby 1954-5-15 11502 Siskiyou 5.5 miles northwest of Edgewood. 899 Comment
  CAS-BOT-BC77736  Thelypteris nevadensis Louis C. Wheeler 1934-8-21 3191 Siskiyou East Fork Horse Creek, Siskiyou Mts. 1219 Comment
  SEINET12156919  Thermopsis macrophylla J. P. Tracy 1950-1 19213 Siskiyou 5 mi SE of Flint Valley along the road to Prospect Hill Comment
  CDA15532  Thermopsis robusta G. F. Hrusa, T. D. Wilfred 1998-7-5 14700 Siskiyou Siskiyou Mountains; Cedar Camp Rd. +- 5 mi. E of Weitchpec on Hwy 96. N side of Hwy. Mile 8.8. Sheet 2 of 2 Comment
  JEPS82673  Thlaspi montanum var. montanum Wayne Roderick 1984-6-7 Siskiyou sw Stewart Springs (Cabin Meadow, Campsite); Cabin Meadow (sw of Stewart Springs) 1798 Comment
  CAS-BOT-BC66795  Thysanocarpus curvipes J. H. Thomas 1954-5-13 4153 Siskiyou Klamath National Forest. Salmon Mountains. Near South Fork of Salmon River, 5 to 9 miles southesat of Cecilville. 1127 Comment
  POM95126  Thysanocarpus curvipes var. curvipes Geo. D. Butler 1910-3-27 1147 Siskiyou Near Yreka. Comment
  UCR101152  Tiarella trifoliata var. unifoliata L. C. Wheeler 1959-7-25 7602 Siskiyou Marble Mtns, Camp Three, Rogers Creek Comment
  POM169142  Tofieldia glutinosa subsp. occidentalis E. B. Copeland 1903-9-7 3864 Siskiyou Mt. Eddy 2439 Comment
  RSA184798  Tofieldia glutinosa subsp. occidentalis Gilbert Muth 1966-8-3 499 Siskiyou Marble Valley, water source spring, Marble Mountains 1793 Comment
  UC3963  Tofieldia occidentalis subsp. occidentalis unknown 1431 Siskiyou 1066 Comment
  CAS-BOT-BC447625  Tolmiea menziesii Ira L. Wiggins 1955-7-23 13475 Siskiyou Banks of China Creek 1097 Comment
  HSC19118  Triantha occidentalis subsp. brevistyla J. O. Sawyer 1969-8-5 1764 Siskiyou W of Little Duck Lake 2073 Comment
  CHSC30093  Triantha occidentalis subsp. occidentalis M. S. Taylor 1980-7-22 3173 Siskiyou Ca. 0.1 mi sw of Big Carmen Lake, on s side of 40N08, ca. 2.3 mi ne of its jct with Hwy 3 at Scott Mt. Summitt. 1737 Comment
  UC2062584  Triantha occidentalis subsp. occidentalis Belinda Lo with Alex Randolph-Lowe 2017-7-16 340 Siskiyou SISKIYOU COUNTY: Klamath National Forest, Scott Mountain Botanical Area, southeast of Big Carmen Lake. Comment
  CAS-BOT-BC519557  Triantha occidentalis subsp. occidentalis John Thomas Howell 1937-7-23 13371 Siskiyou Siskiyou: South Fork of Salmon River near Big Flat 1524 Comment
  CAS-BOT-BC519575  Triantha occidentalis subsp. occidentalis W. R. Dudley 1899-8-13 s.n. Siskiyou Nabar: near Mc Cloud Comment
  RSA322035  Trifolium cyathiferum John M. Gillett, C. W. Crompton 1966-6-4 12901 Siskiyou 8.1 miles west of Gazelle. Comment
  CHSC35548  Trifolium dubium James P. Smith 1973-5-5 6544 Siskiyou Scott Bar along the Scott River. Comment
  UC163821  Trifolium eriocephalum var. eriocephalum Geo. D. Butler 1910-6-6 Siskiyou Inez Valley Comment
  CHSC91386  Trifolium hirtum Lowell Ahart; John Dittes 2005-6-10 12074 Siskiyou Overflow area, on the north side of the Shasta River, about 100 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
  HSC42955  Trifolium howellii J. O. Sawyer, Ken Stillman 1976-7-1 2782 Siskiyou Streamside terraces and lower slopes along the Little N Fork of the Salmon River. 732 Comment
  RSA349096  Trifolium kingii M. B. Dunkle 1945-08 9290 Siskiyou Klamath National Forest Marble Mts. Comment
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Jul 11 2010
  JEPS74570  Trifolium longipes W. J. Ferlatte 1966-6-23 130 Siskiyou Rose Mine Trinity Alps 1981 Comment
  CHSC38996  Trifolium longipes subsp. hansenii J. D. Jokerst 1983-7-5 1830 Siskiyou Atkin's Meadow, northern 1/2, ca 15 air miles east of McCloud. Comment
  JEPS33206  Trifolium longipes var. elmeri John Gill Lemmon 1889-6-28 Siskiyou Mt. Eddy Comment
  UC630806  Trifolium longipes var. elmeri A. A. Heller 1915-7-18 12099 Siskiyou Metcalf's Ranch northeast base of Mt. Eddy 1371 Comment
  UC85327  Trifolium longipes var. elmeri Harley P. Chandler June 1901 1580 Siskiyou near Marble Mtn; North Coast Ranges 1828 Comment
  UC164162  Trifolium macrocephalum Geo. D. Butler 1910-4-15 1174 Siskiyou Dry hill Yreka Comment
  JEPS48901  Trifolium microcephalum Geo. D. Butler 1908-6-28 380 Siskiyou Butler's Ranch Quartz Valley Comment
  JEPS66038  Trifolium pratense W. L. Jepson 1914-8-14 6167 Siskiyou Dunsmuir 670 Comment
  SJSU6543  Trifolium productum R. W. Trivelpiece 1973-6-28 157 Siskiyou Big Duck L, Scott R drainage c. 7.5 mi W of Callahan 2042 Comment
  POM349113  Trifolium productum M. B. Dunkle 1945-7-19 9217 Siskiyou Marble Mts. Comment
  RSA237893  Trifolium repens Frederick W. Oettinger 1969-8-9 1311 Siskiyou Above trail near Young Cabin in region of Upper Abbots Cabin. The High Lake Basins in the vicinity of English Peak Marble Mountain Wilderness Area. 1829 Comment
  SEINET4206959  Trifolium variegatum A. A. Heller 1905-6-5 7964 Siskiyou Between Shasta Retreat and Shasta Springs.; 0 Comment
  UC61695  Trifolium willdenovii Geo. B. Grant September, 1902 5072 Siskiyou Sisson Mount Shasta Comment
  UC630702  Trifolium wormskioldii A. A. Heller 1916-7-20 12459 Siskiyou Metcalf's ranch ne base of Mt. Eddy 1188 Comment
  JEPS95247  Triglochin concinna Steve Edwards 1996-7-14 Siskiyou Road A12, 6.2 mi W of Big Springs Road, or 0.7 mi E of RR tracks in Granada Shasta Valley Comment
  CAS-BOT-BC520838  Trillium albidum Geo. D. Butler 1910-4-3 1168 Siskiyou Humbug Creek Comment
  POM109158  Trillium albidum Geo D. Butler 1909-4-14 669 Siskiyou Humbug Creek Comment
  UC164381  Trillium albidum Geo. D. Butler 1910-4-25 1242 Siskiyou Scott R. Comment
  CAS-BOT-BC519098  Trillium chloropetalum var. chloropetalum Gilbert Muth 1966-7-8 376 Siskiyou Marble Valley, Marble Mountains 1792 Comment
  HSC69573  Trillium ovatum Maralyn A. Renner 1980-8-6 2263 Siskiyou FS Rd. 40S07 crossing of Louse Creek 1127 Comment
  CHSC33163  Trillium ovatum subsp. oettingeri Maralyn A. O'Meara 1973-6-24 229 Siskiyou Statute Lake Creek where it is crossed by Music Creek logging road, about 1/4 mile from confluence of Statute Lake Creek and Music Creek. 1828 Comment
  HSC780  Trillium ovatum subsp. oettingeri William J. Ferlatte 1967-7-9 691 Siskiyou Kidd Creek Trail 1890 Comment
  JEPS47255  Trillium ovatum subsp. oettingeri E. L. Greene 1876-1 Siskiyou near Yreka Yreka Comment
  SEINET3888777  Trillium ovatum subsp. oettingeri Maralyn A. O'Meara 1973-6-24 229 Siskiyou Statute Lake Creek where it is crossed by Music Creek loggin road, about 1/4 miles from confluence of Statute Lake Creek and Music Creek.; 0 1829 Comment
  RSA184784  Trisetum canescens Gilbert Muth 1966-7-22 433 Siskiyou Meadow below Marble Rim, Marble Mountains. 2012 Comment
  CAS-BOT-BC200268  Trisetum spicatum Gilbert Muth 1966-7-31 469 Siskiyou North side of Black Mountain, Marble Mts. 1981 Comment
  CAS-BOT-BC200270  Trisetum spicatum Beecher Crampton 1956-8-22 3854 Siskiyou Panther Meadow, south slope of Mt Shasta 2316 Comment
  HSC41807  Trisetum spicatum Robert Wharton 1977-8-20 Siskiyou Along E slope of Mt. Shasta at Wintun Glacier along ridge between Ash & Brewer Creeks 3354 Comment
  POM109794  Triteleia crocea var. crocea Geo D. Butler 1909-5-30 786 Siskiyou Humbug Mountain. 1220 Comment
  HSC71102  Triteleia hyacinthina Thomas W. Nelson, Jane P. Nelson, J. P. Smith 1978-7-24 4508 Siskiyou Along W side of Hwy. 3 just N of Scott Mtn. Summit 1616 Comment
  UCSB24893  Triteleia hyacinthina Keefe, Joseph 1967-7-11 Siskiyou Little Castle Lake, southwest of Castle Lake, 10 miles southwest of the city of Mt. Shasta 1981 Comment
  CAS-BOT-BC524317  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
  CAS-BOT-BC526140  Triteleia laxa D. H. Norris 1970-5-23 12247 Siskiyou In open oak forest along Klamath River at Ishi Pishi Bridge near Somes Bar Comment
  CAS-BOT-BC91276  Umbellularia californica Carl B. Wolf 1927-8-27 1135 Siskiyou On the Klamath River at mouth of Crawford Creek. Comment
  JEPS40107  Umbellularia californica Wm. C. Cusick 1902-7-31 2932 Siskiyou Siskiyou Mountains Comment
  CAS-BOT-BC199193  Vaccinium cespitosum A. A. Heller 1915-7-15 12087 Siskiyou Mt. Eddy 1828 Comment
  HSC18868  Vaccinium cespitosum J. O. Sawyer 1968-7-22 532 Siskiyou Between Handcock and Diamond Lakes 1951 Comment
  RSA659523  Vaccinium cespitosum Gary D. Wallace 1990-7-1 2951 Siskiyou Mount Shasta: Panther Meadow, campground on AAA map. 2255 Comment
  UC1409419  Vaccinium cespitosum Frederick W. Oettinger 1969-7-14 1014 Siskiyou n shoreline Charmaine Lake; Salmon Mountains, Marble Mountain Wilderness Area, English P 1920 Comment
  SEINET11972188  Vaccinium cespitosum H. P. Chandler 1901-1 1617 Siskiyou near Marble Mountain, North Coast Ranges 2134 Comment
  JEPS66690  Vaccinium deliciosum Geo. D. Butler 1908-8-5 44 Siskiyou summit above Cold Springs 1828 Comment
  CAS-BOT-BC199231  Vaccinium membranaceum W. R. Dudley 1901-8-18 s.n. Siskiyou Shore of Jackson Lake, Salmon Mountains Comment
  CAS-BOT-BC199236  Vaccinium membranaceum Joseph P. Tracy 1935-8-1 14419 Siskiyou Head of Knownothing Creek, 3 mi. E. of Salmon Summit 1767 Comment
  HSC60769  Vaccinium membranaceum Ruby Van Deventer 1960-7-7 Siskiyou Bell Echo Camp in Youngs Valley Comment
  UC1409403  Vaccinium membranaceum Frederick W. Oettinger 1968-9-5 721 Siskiyou near Hancock Lake (vicinity of English Peak, w Siskiyou County); Salmon Mountains, Marble Mountain Wilderness Area, English P 1935 Comment
  CAS-BOT-BC199475  Vaccinium parvifolium Doris K. Kildale 1929-7-20 8618 Siskiyou Trail up South Fork of Indian Creek to Elk Lick Comment
  CAS-BOT-BC228830  Vaccinium scoparium Peter W. Fritsch; James R. Shevock; Lu Lu 2012-6-19 1929 Siskiyou The Eddys Region, Shasta-Trinity National Forest. Ca. 0.3 km S of Cedar Lake along road to Cliff Lake, headwaters of the Sacramento River 1752 Comment
  HSC19416  Vaccinium scoparium J. O. Sawyer 1968-7-22 547 Siskiyou Between Handcock and Diamond Lakes 1951 Comment
  HSC30619  Vaccinium uliginosum Frederick W. Oettinger 1969-8-23 1512 Siskiyou Inlet to Smith Lake, Salmon Mountains 1418 Comment
  RSA240089  Vaccinium uliginosum subsp. occidentale Frederick W. Oettinger 1969-8-23 1512 Siskiyou Inlet to Smith Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. Comment
  UC642554  Vaccinium uliginosum subsp. occidentale unknown 1939-7-7 13606 Siskiyou Wagon Camp Mount Shasta 1737 Comment
  UCR38387  Vaccinium uliginosum subsp. occidentale G. R. Ballmer, G. F. Pratt 1985-6-19 s.n. Siskiyou Trinity Mtns, Cedar Lake, WNW of Dunsmuir, c. 1 mi north of Gumboot Lake 1738 Comment
  HSC76701  Valeriana sitchensis subsp. sitchensis K. T. Stillman 1976-8-7 212 Siskiyou Marble Mtn. Wilderness Area. 1951 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
  RSA237909  Veratrum californicum Frederick W. Oettinger 1968-8-12 496 Siskiyou Near Tobacco Lake. The Salmon Mountains; High Lake Basins in the vicinity of English Peak; Marble Mountain Wilderness Area. 1890 Comment
  UC164109  Verbena lasiostachys var. lasiostachys Geo. D. Butler 1910-7-2 1621 Siskiyou Yreka Comment
  POM69590  Verbena lasiostachys var. lasiostachys Geo. D. Butler 1910-7-2 1621 Siskiyou Near Yreka. Comment
  RSA184821  Veronica alpina var. alterniflora Gilbert Muth 1966-7-18 413 Siskiyou Marble Gap Trail, Meadow above Marble Valley, Marble Mtns. 1829 Comment
  JEPS84019  Veronica copelandii L. R. Heckard with J. Hickman et al. 1986-7-17 6459 Siskiyou 5 mi n of the town of Seiad Valley (ridge e of Kangaroo Peak, s of Lily Pad Lake) 1940 Comment
  RSA0006256  Veronica copelandii E. B. Copeland 1903-8-18 3931 Siskiyou Mount Eddy. 1677 Comment
  SBBG27153  Veronica persica L. C. Wheeler 1935-4-17 3425 Siskiyou Greenhorn Crk, Siskiyou Mts; T45N, R 7W, S19 1005 Comment
  HSC69008  Veronica serpyllifolia subsp. humifusa Maralyn A. Renner 1980-7-24 2050 Siskiyou Lily Pad Lake 1768 Comment
  UC1096835  Veronica serpyllifolia subsp. humifusa H. K. Wagnon 1957-8-11 1708