Search Results — 2000 specimen records retrieved (1347 records with coordinates)
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 Please cite data retrieved from this page: Data provided by the participants of the Consortium of California Herbaria (ucjeps.berkeley.edu/consortium/).
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? Specimen ID Determination * Collector Collection Date Collection Number County Locality Elevation in meters Feedback
  RSA237368  Abies amabilis Frederick W. Oettinger 1967-8-26 331 Siskiyou Around Diamond Lake; tree at south side of lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2073 Comment
  CAS-BOT-BC419723  Abies concolor Julie Kierstead Nelson; Keli McElroy 2012-8-10 2012 -073 Siskiyou NW side of Gumboot Lake. 1853 Comment
  UC1001949  Abies concolor Mrs. B. M. Berry 1954-10-7 4 Siskiyou Sugar Creek Bridge Salmon Mountains, Sugar Creek Bridge (High Road between French Creek and Scott River, near Callahan) 1828 Comment
  UC401379  Abies concolor Geo. D. Butler 1908-8-3 228 Siskiyou Log Lake Shackleford Creek, Log Lake Comment
  CAS-BOT-BC73509  Abies concolor Doris K. Kildale 1929-8-24 9058 Siskiyou Rattlesnake Meadow, Preston Peak. 1676 Comment
  CAS-BOT-BC73511  Abies concolor Doris K. Kildale 1929-4-27 7481 Siskiyou Cecilville Comment
  HSC49827  Abies lasiocarpa D. A. Thornburgh Aug 1978 Siskiyou Junction of Sky lake and Main Rim trails 1921 Comment
  HSC67823  Abies magnifica J. O. Sawyer, J. Cole 1980-7-20 3767 Siskiyou 2 mi. N of Little Glass Mtn., on road connecting FS Rd. 45N05 with FS Rd. 47N75 1875 Comment
  HSC69303  Abies magnifica Maralyn A. Renner 1980-7-24 1986 Siskiyou Pacific Crest Trail above Lily Pad Lake. 1799 Comment
  CAS-BOT-BC330615  Acer circinatum Geo. B. Grant 1902-9-13 s.n. Siskiyou Dunsmuir Comment
  JEPS42680  Acer glabrum Geo. D. Butler 1909-7-2 908 Siskiyou Highland Mine 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
  CHSC92  Acer glabrum var. torreyi M. Yoder 1941-6-28 Siskiyou Castle Lake 1828 Comment
  RSA68864  Acer glabrum var. torreyi A. E. Culbertson 1943-6-23 92 Siskiyou Along east shore of Castle Lake, 14 miles southwest of Mt. Shasta, above Sacamento River within 10 miles of its headwaters to the west Comment
  SEINET10454033  Acer glabrum var. torreyi Mary Merello 1993-6-22 Merello 690 Siskiyou Shasta National Forest outside of Mt. Shasta City. Along Forest Service Road 26 to Lake Siskiyou. Mixed conifer forest along rocky, gravely slopes of the Sacramento River. 1090 Comment
  CAS-BOT-BC332794  Acer macrophyllum Doris K. Kildale 1928-7-3 5452 Siskiyou Little North Fork, Salmon River Comment
  UC1034596  Acer macrophyllum Douglas Barbe 1955-6-30 62 Siskiyou 1 mi nw Forest Camp (along Johnson Creek, Etna); Klamath Mountains, along Johnson Creek, Etna 944 Comment
  CAS-BOT-BC83  Achillea lanulosa subsp. lanulosa Amos Arthur Heller 1905-6-19 8067 Siskiyou Grenada, near Grenada (RR) station Comment
  CHSC246  Achillea millefolium M. Yoder 1941-7-21 Siskiyou Castle Lake. 1981 Comment
  HSC22300  Achillea millefolium J. O. Sawyer 1969-8-1 1641 Siskiyou SE facing slope above Duck Lake Creek 1951 Comment
  CAS-BOT-BC18875  Achillea millefolium Alice Eastwood 1912-8-30 s.n. Siskiyou Mounty Eddy Comment
  RSA238785  Achillea millefolium Frederick W. Oettinger 1968-8-5 400 Siskiyou Ridges above English Lake Basin, Shasta Ridge'. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2073 Comment
  UCD128359  Achillea millefolium P. Quentin Tomich 1954-6-20 421 Siskiyou southeast entrance of Lava Beds National Monument. 1341 Comment
  CAS-BOT-BC260332  Achnatherum hymenoides J. R. Swallen 1940-6-4 15001 Siskiyou Mount Shasta. Along the Bolam Road 1219 Comment
  UC1026898  Achnatherum hymenoides W. Bridge Cooke 1940-6-4 15001 Siskiyou along the Bolam Road Mount Shasta Comment
  CAS-BOT-BC210717  Achnatherum lemmonii Geo. D. Butler 1909-6-4 810 Siskiyou Near Yreka Comment
  CAS-BOT-BC216919  Achnatherum occidentale C. B. W. 1938-7-22 11336 Siskiyou Sisson Southern Trail 1828 Comment
  CAS-BOT-BC216920  Achnatherum occidentale John Thomas Howell 1939-8-6 15087 Siskiyou Spirit Lake, Marble Mountains 1828 Comment
  UCD51161  Achnatherum occidentale subsp. californicum Beecher Crampton 1956-8-22 3862 Siskiyou Panther Meadow, south slope of Mt. Shasta. 2316 Comment
  RSA484124  Achnatherum occidentale subsp. occidentale M. B. Dunkle 1945-1 9363 Siskiyou Klamath National Forest, Marble Mountains. 1982 Comment
  UCSB51222  Achnatherum occidentale subsp. pubescens Almanza, Ed 1976-7-12 Siskiyou Mt. Shasta ski lodge. 2316 Comment
  UC563985  Achnatherum thurberianum Elmer I. Applegate 1935-6-8 9437 Siskiyou Bearpaw Cave Lava Beds National Monument Comment
  CHSC91343  Acmispon brachycarpus Lowell Ahart; John Dittes 2005-6-9 12014 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
  UCD95340  Aconitum columbianum A. A. Heller 1915-8-26 12240 Siskiyou Mt. Eddy. 1828 Comment
  CAS-BOT-BC391506  Aconitum columbianum subsp. columbianum L. E. Smith 1913-7-27 498 Siskiyou McCloud Comment
  CAS-BOT-BC391540  Aconitum columbianum subsp. columbianum Alice Eastwood 1912-7-17 1189 Siskiyou Sisson Comment
  HSC34  Aconitum columbianum subsp. columbianum William J. Ferlatte 1966-8-19 437 Siskiyou Kidd Creek Trail 1890 Comment
  HSC34262  Aconitum columbianum subsp. viviparum J. P. Smith, J. O. Sawyer 1973-8-14 7311 Siskiyou Around Cliff Lake 1860 Comment
  HSC2388  Aconogonon davisiae William J. Ferlatte 1966-8-18 428 Siskiyou Willow Creek Trail. 2226 Comment
  HSC27338  Aconogonon davisiae J. P. Smith, J. O. Sawyer, Maralyn O'Meara 1972-7-3 5706 Siskiyou E slope of Kangaroo Mtn., above Toehead Lake. 1890 Comment
  UCSB27378  Aconogonon davisiae Wilken, Dieter 1969-7-26 Siskiyou Above summit of Mt. Shasta Ski Bowl Road, south slope of Mt. Shasta 3200 Comment
  HSC78418  Aconogonon davisiae L. P. Janeway 1983-7-31 480 Siskiyou Poker Flat, E portion of meadow. 1524 Comment
  UCD98559  Aconogonon newberryi R. Tofsrud 1948-8-2 s.n. Siskiyou Near Panther Meadow, Mt. Shasta. Comment
  HSC61825  Aconogonon phytolaccifolium Ruby Van Deventer 1959-7-9 Siskiyou Poker Flat 1585 Comment
  HSC76992  Aconogonon phytolaccifolium K. T. Stillman 1976-6-25 79 Siskiyou Marble Mtn. Wilderness Area, N side of Elk Valley. 1799 Comment
  UCD98807  Aconogonon phytolaccifolium John M. Tucker 1963-7-7 3714 Siskiyou vicinity of Paradise Lake, on east side and at the base of King's Castle, Marble Mountain Wilderness Area. 1981 Comment
  HSC29437  Actaea rubra Frederick W. Oettinger 1968-9-1 635 Siskiyou Marble Mtn. Wilderness Area, E side of Abbott's Lake 1723 Comment
  RSA68866  Actaea rubra subsp. arguta A. E. Culbertson 1943-6-23 90 Siskiyou Along east shore of Castle Lake, 14 miles southwest of Mt. Shasta, above Sacamento River within 10 miles of its headwaters to the west Comment
  HSC4989  Adenocaulon bicolor J. O. Sawyer 1968-6-18 197 Siskiyou Above S Russian Creek on W side. 1463 Comment
  RSA264984  Adenocaulon bicolor Gilbert Muth 1975-8-1 s.n. Siskiyou Near Sutcliffe Creek, near Happy Camp 1341 Comment
  UC1190387  Adiantum aleuticum Ira L. Wiggins 1955-7-23 13477 Siskiyou banks of China Creek 1097 Comment
  UC371165  Adiantum aleuticum G. D. Butler 1908-8-2 247 Siskiyou Shackleford Creek Comment
  RSA0003895  Agastache parvifolia Alice Eastwood, J. T. Howell 1940-6-14 8266 Siskiyou Lava Beds National Mon. near Schonchin Butte Comment
  SD88459  Agastache urticifolia Darley F. Howe 1972-7-5 Siskiyou 1.4 miles south of Oregon state lines on road to Happy Camp 1646 Comment
  JEPS25851  Ageratina occidentalis Rimo Bacigalupi with L. Constance and L. Heckard 1960-7-21 7482 Siskiyou 8 mi above and e Somes Bar (along road up Salmon River, at Grants Bluffs); Salmon River, Grants Bluffs 304 Comment
  CAS-BOT-BC29445  Ageratina occidentalis John Thomas Howell 1939-8-8 15138 Siskiyou Between Sky High Valley and Marble Valley Comment
  CAS-BOT-BC29517  Agoseris William A. Dayton Jr. 1912-7-28 160 Siskiyou Shasta Forest, Ash Creek Sink Range 1188 Comment
  HSC29261  Agoseris aurantiaca Frederick W. Oettinger 1968-8-14 518 Siskiyou Marble Mountain Wilderness area; midway between Tom Taylor Cabin and English Peak Lookout 1997 Comment
  RSA238743  Agoseris aurantiaca Frederick W. Oettinger 1968-8-5 724 Siskiyou SE side of Hancock L. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1951 Comment
  CAS-BOT-BC22771  Agoseris heterophylla Elmer I. Applegate 1936-5-19 10322 Siskiyou Lava Beds National Monument, between Indian Wells and Three Sisters. Comment
  CAS-BOT-BC22776  Agoseris heterophylla George Dexter Butler 1910-5-23 1402 Siskiyou Near Yreka Comment
  UC163892  Agoseris heterophylla Geo. D. Butler 1910-5-23 1402 Siskiyou near Yreka Comment
  CAS-BOT-BC13188  Agoseris monticola Wm. Bridge Cooke 1938-9-8 11693 Siskiyou Little Red Butte, Mount Shasta 2743 Comment
  UC618704  Agoseris monticola W. B. Cooke 1938-9-8 8200 Siskiyou near, in lava fields South Gare Springs; Mt. Shasta 2499 Comment
  JEPS94260  Agoseris parviflora Vernon H. Oswald and Lowell Ahart 1998-6-11 9224 Siskiyou 5 mi n of Macdoel (Butte Valley National Grassland near the junction of Meiss Lake-Sams Neck Road and Highway 97); Butte Valley National Grassland 1295 Comment
  HSC45889  Agropyron cristatum Laura Witherspoon 1978-8-15 79 Siskiyou Klamath National Forest, 0.1 miles S of junction of Forest Service Rds. 6Q01 and 7S01 1378 Comment
  CHSC71512  Agropyron desertorum Vernon H. Oswald; Lowell Ahart 1998-7-21 9325 Siskiyou Hwy. 97 between Weed and Macdoel at the west end of Grass Lake. 1524 Comment
  JEPS68388  Agrostis exarata Geo. D. Butler 1909-6-28 852 Siskiyou along creek near Yreka Comment
  CAS-BOT-BC139567  Agrostis gigantea W. B. Cooke; V. G. Cooke 1976-10-17 53783 Siskiyou Little Bear Springs, Mount Shasta. 1584 Comment
  JEPS83986  Agrostis idahoensis L. R. Heckard with J. Hickman et al. 1986-7-17 6474 Siskiyou ca 5 mi n Seiad Valley (town) (trail up to Kangaroo Peak, s of Lily Pad Lake) 1800 Comment
  HSC22424  Agrostis pallens J. O. Sawyer 1969-7-24 1511 Siskiyou SE facing slope W of Sugar Lake 1905 Comment
  UC1265310  Agrostis pallens F. W. Oettinger 1969-9-2 1587 Siskiyou near Tom Taylor Cabin; Salmon Mountains, Bear Meadow 2164 Comment
  UC1265418  Agrostis pallens F. W. Oettinger 1969-8-16 1390 b Siskiyou rocky slope near wiregrass meadow near Upper English Lake; Salmon Mountains 1767 Comment
  UCD53099  Agrostis pallens E. B. Copeland 1903-9-6 3801 Siskiyou Siskiyou/Trinity County: Mt. Eddy. Comment
Read comments
Jun 10 2012
  UCD53399  Agrostis scabra R. Tofsrud 1950-7-1 s.n. Siskiyou E side of Mt. Shasta. 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
  HSC103012  Ailanthus altissima J. P. Smith 2014-6-6 13869 Siskiyou Along river access road just west of State Route 96. Naturalized trees 216 Comment
  HSC42108  Allium amplectens J. O. Sawyer, K. T. Stillman 1976-5-29 2751 Siskiyou Along Specimen Creek 884 Comment
  CAS-BOT-BC462378  Allium amplectens Roxana Ferris; Laura Lorraine 1948-6-12 11720 Siskiyou Schoolhouse Hill, Plowman's Valley [Noyes Valley], e. fork of Scott River Comment
  CAS-BOT-BC94409  Allium campanulatum R. C. Wenk 2005-7-15 213 Siskiyou Trinity Alps, above South Fork of the Salmon River, along the Yellow Rose Mine trail. Top of pass, going N along ridge 2133 Comment
  SBBG835  Allium campanulatum H. and M. Dearing 1939-6-3 3529 Siskiyou Klamath Public Camp, Scott River Comment
  CAS-BOT-BC469237  Allium falcifolium Alice Eastwood 1912-8-30 2004 Siskiyou Mount Eddy Comment
  CAS-BOT-BC469248  Allium falcifolium A. A. Heller 1920-7-9 13437 Siskiyou Mt Eddy 2286 Comment
  JEPS25575  Allium obtusum var. obtusum Rimo Bacigalupi with George Bacigalupi Jr. 1959-7-1 7200 Siskiyou upper edges of Panther Meadow, sw slopes of Mount Shasta Mount Shasta, Panther Meadow 2286 Comment
  CAS-BOT-BC132147  Allium siskiyouense Geo. D. Butler 1910-4-10 1167 Siskiyou Hills near Yreka Comment
  UCD138603  Allium siskiyouense Sandra L. Holloway 1963-7-14 s.n. Siskiyou ca. 5 miles south and 5 miles west of Weed. 2133 Comment
  POM109964  Allium siskiyouense Geo D. Butler 1909-5-3 791 Siskiyou Yreka hills Comment
  SEINET8193676  Allium validum G. D. Butler 1910-6-19 1577 Siskiyou Goosenest foothills. 1524 Comment
  CAS-BOT-BC478030  Allium validum Doris K. Kildale 1928-8-19 6545 Siskiyou Hancock Lake on trail to Marble Mt. 2133 Comment
  CAS-BOT-BC171415  Alnus incana subsp. tenuifolia W. R. Dudley 1899-8-9 s.n. Siskiyou Below Upton Comment
  HSC29275  Alnus viridis subsp. sinuata Frederick W. Oettinger 1968-8-3 383 Siskiyou Marble Mtn. Wilderness Area, near 'Base Camp' on trail between Diamond and Hancock Lakes 2012 Comment
  HSC45042  Alnus viridis subsp. sinuata J. O. Sawyer 1978-6-20 3274 Siskiyou Marble Mtn. Wilderness Area, Hamilton Camp 1829 Comment
  HSC62447  Alnus viridis subsp. sinuata Ruby Van Deventer 1959-7-9 Siskiyou Twin Valley Comment
  UCD14406  Alopecurus pratensis Sheryl Gill 1996-9-3 s.n. Siskiyou At the Tule Lake National Wildlife Refuge - 'Frey's Island' Sites D, E, and F; in the south-east part of the refuge in southern sump; 'Captain Jack's Stronghold' GS map quad. 1229 Comment
Read comments
Jun 24 2009
  JEPS52986  Alyssum alyssoides Geo. D. Butler 1909-5-13 722 Siskiyou Cottonwood Creek Comment
  CDA3621  Alyssum alyssoides F. D. Horn 1977-4-2 Siskiyou ca. 5 km south of Weed. 0 Comment
  RSA52438  Alyssum alyssoides Dorothy Parker 1948-6-12 s.n. Siskiyou Siskiyou County: Parker Ranch, Plowman s Valley Comment
  SEINET3155432  Amaranthus blitoides G. D. Butler 1910-8-5 1812 Siskiyou Yuka Comment
  HSC2910  Amaranthus hybridus D. M. Thomson 1965-7-31 157 Siskiyou Lava Beds National Monument, Telephone Line Rd., by dump. Comment
  HSC68453  Amelanchier alnifolia Maralyn A. Renner 1980-7-4 1401 Siskiyou Near trail about 0.25 mi. below Rattlesnake Meadow. 1585 Comment
  CAS-BOT-BC142876  Amelanchier alnifolia var. semiintegrifolia Alice Eastwood 1917-9-2 6708 Siskiyou Shasta Springs Comment
  RSA211464  Amelanchier pallida William J. Ferlatte 1967-6-5 493 Siskiyou Big Flat. 1524 Comment
  CHSC96025  Amelanchier utahensis L. P. Janeway 2006-7-4 8799 Siskiyou Klamath Ranges. Scott Mountains; opening on spur ridge 1.9 km west-southwest of Scott Mountain Summit. 1838 Comment
  POM72147  Amsinckia intermedia Geo. D. Butler 1910-5-3 1296 Siskiyou Yreka Comment
  UCD119701  Amsinckia intermedia James P. Smith; Advanced Plant Taxonomy Class 1973 1973-5-5 6533 Siskiyou Scott Bar along the Scott River. Comment
  RSA0089948  Amsinckia menziesii var. menziesii L. Ahart 2005-6-9 12046 Siskiyou On the east side of a poor rock fence, about 350 yards E of where cattle water in the Shasta River, about 3/5 mile (air) south of Highway 99/97 Cutoff, about 2.5 miles (air) ESE of Grenada. 775 Comment
  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
  UC1584291  Anaphalis margaritacea Julie Kierstead 1990-8-23 90 -144 Siskiyou Cold Creek; Mt. Shasta, McCloud R. D. 1584 Comment
  UCD95464  Anemone deltoidea A. H. Murphy 1961-7-19 61 G Siskiyou Marble Mountains. Klamath National Forest. Sky High Valley, north end. 1584 Comment
  UCD95466  Anemone deltoidea John M. Tucker 1974-7-28 4310 Siskiyou Siskiyou Co.; Marble Mountain Wilderness Area, Camp at Haypress Meadows. 1463 Comment
  SEINET12093238  Anemone deltoidea Unknown 1982-1 20592 Siskiyou Cook and Green Pass 1524 Comment
  CAS-BOT-BC391850  Anemone drummondii John Thomas Howell 1939-8-2 14873 Siskiyou Spirit Lake, Marble Mts. 1828 Comment
  HSC58914  Anemone drummondii Marvin Butler 1971-7-7 56 Siskiyou Near El Capitan, close to the town of Cave Junction 1585 Comment
  SEINET12086506  Anemone drummondii H. P. Chandler 1901-1 1676 Siskiyou Marble Mountain 2438 Comment
  CAS-BOT-BC391963  Anemone occidentalis Volney Rattan 1882-9-1 s.n. Siskiyou Mt Shasta 2438 Comment
  SEINET3158801  Anemone occidentalis G. D. Butler 1910-7-10 sn Siskiyou Upper Campbell Lake 1676 Comment
  UC618684  Anemone occidentalis W. Bridge Cooke 1938-7-21 11303 Siskiyou s. Horse Camp (crekk basins around s.w. slopes Mt. Shasta); Mt. Shasta Comment
  UC637114  Angelica arguta Edward Lee 1934-8-14 1106 Siskiyou near summit of Little Grayback (Siskiyou-Del Norte County line); near summit of Little Grayback 1865 Comment
  RSA470340  Angelica arguta var. arguta M. B. Dunkle 1945-1 9339 Siskiyou Klamath National Forest, Marble Mountains. 2439 Comment
  HSC35774  Angelica tomentosa J. O. Sawyer 1969-9-12 2009 Siskiyou Hanging valley N of Wildcat Peak 2012 Comment
  JEPS120190  Angelica tomentosa Julie Kierstead Nelson 2011-8-23 2011 -42 Siskiyou Eastern Klamath Mountains, The Eddys. North side of Fawn Creek, 2 miles NE of Gumboot Lake Comment
  UC1190108  Anisocarpus madioides Ira L. Wiggins 1955-7-23 13466 Siskiyou ridge w China Creek (s side of S Fork of Salmon River) 1005 Comment
  JEPS22832  Antennaria argentea A. A. Heller 1916-7-20 12475 Siskiyou Near Wagon Creek Falls; Mt. Eddy. 1371 Comment
  HSC92259  Antennaria dimorpha Jennifer Whipple 1976-7-7 1330 Siskiyou N slopes of Mt. Eddy. 2439 Comment
  JEPS13376  Antennaria dimorpha George D. Butler 1909-4-4 573 Siskiyou near, (at Butcher Hill) Yreka; Butcher Hill Comment
  HSC27477  Antennaria luzuloides J. P. Smith, J. O. Sawyer 1972-5-28 5372 Siskiyou 1.2 mi. E. of Jackson Creek on Callahan-Cecilville Rd., Klamath National Forest 1341 Comment
  JEPS25842  Antennaria media Rimo Bacigalupi with L. Constance and L. Heckard 1960-7-20 7457 Siskiyou meadow at headwaters of, just of Jeep Rd from Poker Flat to Twin Valley Indian Creek; Siskiyou Mts., Indian Creek 1584 Comment
  CHSC71277  Antennaria rosea subsp. rosea Vernon H. Oswald; Lowell Ahart 1998-6-11 9210 Siskiyou Old State Hwy. 0.1 mi east of Tennant Rd., ca. 9 air mi east of Grass Lake located on Hwy. 97, ca. 22 air mi northeast of Weed. 1402 Comment
  RSA240060  Antennaria umbrinella Frederick W. Oettinger 1969-8-22 1485 Siskiyou Pierce's Draw. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1677 Comment
  CHSC26179  Apocynum androsaemifolium J. P. Kroessig 1977-8-6 62 Siskiyou Ca. 3 km sw of Mt. Shasta City. 1000 Comment
  UC157679  Apocynum androsaemifolium Milo S. Baker 563 Siskiyou Sisson Comment
  UC164099  Apocynum androsaemifolium Geo. D. Butler 1908-7-5 75 Siskiyou dry land near Yreka Comment
  HSC27636  Apocynum androsaemifolium Carl W. Mize 1972-7-22 100 Siskiyou Forks of Salmon quad., along edge of large cut block. 1037 Comment
  CAS-BOT-BC394983  Aquilegia formosa H. A. Thomas; J. H. Thomas 1954-7-23 4476 Siskiyou Salmon - Trinity Mts, about 6 miles SE of Cecilville, vicinity of Blind Horse Creek 1036 Comment
  HSC22426  Aquilegia formosa var. truncata J. O. Sawyer 1969-6-12 926 Siskiyou Along C.C.C. road just S of Sugar Creek 1463 Comment
  HSC58916  Aquilegia formosa var. truncata Marvin Butler 1971-7-19 152 Siskiyou Near El Capitan 1464 Comment
  HSC44591  Aquilegia formosa var. truncata Laura Witherspoon 1977-6-30 Siskiyou Dillon Camp 1494 Comment
  RSA238277  Aquilegia formosa var. truncata Frederick W. Oettinger 1967-8-13 256 Siskiyou Below Tom Taylor Cabin Spring. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2049 Comment
  RSA0125503  Arabis breweri var. austiniae Alice Eastwood, J. T. Howell 1934-4-20 1762 Siskiyou Near Yreka along Shasta River. Comment
  HSC77285  Arabis breweri var. breweri L. P. Janeway 1983-7-4 382 Siskiyou S ridge of Little Grayback Mtn. 1738 Comment
  HSC29179  Arabis divaricarpa Frederick W. Oettinger 1969-7-11 974 Siskiyou High Lake Basins near English Peak; Marble Mtn. Wilderness Area: Hancock Lake 1936 Comment
  RSA0126137  Arabis divaricarpa var. interposita Geo. D. Butler 1910-6-5 1547 Siskiyou Log Lake, Shackleford Creek. Comment
  HSC29187  Arabis glabra Frederick W. Oettinger 1969-8-18 1420 Siskiyou High Lake Basins near English Peak; Marble Mtn. Wilderness Area: W side of Horse Range Lake 1829 Comment
  HSC26568  Arabis holboellii var. pinetorum J. P. Smith, J. O. Sawyer 1972-8-20 5758 Siskiyou Slope of Mt. Hoffman 2134 Comment
  POM94756  Arabis holboellii var. retrofracta Geo. D. Butler 1910-6-5 1525 Siskiyou Log Lake, Shackleford Creek. Comment
  SEINET184716  Arabis holboellii var. retrofracta C. L. Hitchcock 1939-7-9 5308 Siskiyou North side of Black Mt. near Marble Mt. 2073 Comment
  POM266029  Arabis oregana Lincoln Constance, Reed C. Rollins 1942-5-13 2915 Siskiyou Scott River 10 miles southwest of Scott Bar. 610 Comment
  UC165757  Arabis subpinnatifida Geo. D. Butler 1910-4-16 1181 Siskiyou hills near Yreka Comment
  UC165380  Arabis suffrutescens Geo. D. Butler 1910-7-9 1705 Siskiyou Shackleford Creek Comment
  UC933377  Aralia californica Annie M. Alexander and Louise Kellogg 1948-9-7 5587 A Siskiyou at small creek S. Fork Salmon R. Siskiyou Mts., S. Fork Salmon R. Comment
  UC163800  Arceuthobium americanum Geo. D. Butler 1908-7-19 1070 Siskiyou Henley Comment
  UC705588  Arceuthobium campylopodum Marion Ownbey and D. H. Brown 1941-6-22 2425 Siskiyou nw Yreka (w of Craggy Mtn) Comment
  HSC96174  Arceuthobium campylopodum R. L. Mathiasen 2005-3-12 532 Siskiyou 0.8 km N of Hwy. 89 on FS Rd. 88 (road to Mt. Shasta Ski Park), Shasta-Trinity National Forest Comment
  CAS-BOT-BC410042  Arceuthobium cyanocarpum William Bridge Cooke 1938-8-23 11576 Siskiyou N slope of Shastina in the upper end of the Shastina lava park 2438 Comment
  CDA6781  Arctium minus T. C. Fuller 1960-8-23 4965 Siskiyou ca. 1 mile south of Greenview. 0 Comment
  SEINET11996228  Arctostaphylos klamathensis F. T. Callahan 1982-1 6045 Siskiyou intersection of main rd into wilderness area & spur rd ca 1.5 mi W of Scott Mt Campground 1829 Comment
  CAS-BOT-BC40022  Arctostaphylos nevadensis John Thomas Howell 1939-8-3 14998 Siskiyou Spirit Lake, Marble Mts. 1828 Comment
  HSC69365  Arctostaphylos nevadensis J. O. Sawyer, J. Cole 1980-7-19 3670 Siskiyou N and W of Little Mt. Hoffman 1982 Comment
  OBI36626  Arctostaphylos nevadensis David J. Keil 1983-7-3 17383 Siskiyou Slopes of Mt. Shasta along Memorial hwy Comment
  SJSU11157  Arctostaphylos nevadensis P. L. Billings 1965-7-12 93 Siskiyou slope above Horse Camp, SW side of Mt Shasta 2377 Comment
  UC456164  Arctostaphylos nevadensis I. J. Condit 1911-7-22 Siskiyou Shasta trail below Horse Camp 2286 Comment
  SEINET11990949  Arctostaphylos nevadensis W. Knight, Knight, I. 1983-1 4885 Siskiyou Terrace Lake 1890 Comment
  CAS-BOT-BC45414  Arctostaphylos nevadensis subsp. knightii Roger Raiche; Kurt Zadnik 1982-7-6 20558 Siskiyou Deadwood Lookout northwest of Yreka. 1676 Comment
  CAS-BOT-BC46428  Arctostaphylos patula Doris K. Kildale 1929-4-27 7483 a Siskiyou Upper South Fork of Salmon River. Comment
  CAS-BOT-BC46515  Arctostaphylos patula G. B. Grant 1902-9-11 s.n. Siskiyou Sisson. Comment
  POM77503  Arctostaphylos patula Geo D. Butler 1909-3-7 586 Siskiyou Hills near Yreka. Comment
  RSA138579  Arctostaphylos patula Frederick W. Oettinger 1969-7-11 967 Siskiyou Just above the trail marker to Diamond and Hancock Lakes from English Lake area. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 183 Comment
  RSA47637  Arctostaphylos patula Roxana S. Ferris, Laura Lorraine, R. T. Ferris 1948-6-12 11771 Siskiyou About 6 miles from Etna on forks of Salmon Road. 1707 Comment
  UC410799  Arctostaphylos patula Mrs. Eric Anderson 1923-4-19 Siskiyou Shasta Springs Comment
  CHSC117378  Arctostaphylos patula subsp. patula Richard R. Halse 2015-3-21 9325 Siskiyou Weed; southern part of city, west side of Interstate Hwy. 5, off of Mountain View Drive. 1083 Comment
  CHSC33287  Arctostaphylos patula subsp. patula M. Yoder 1941-7-6 Siskiyou Castle Lake. 1981 Comment
  HSC73329  Arctostaphylos viscida Gail Newton 1980-6-20 489 Siskiyou Near Bald Mtn. 1097 Comment
  CAS-BOT-BC47009  Arctostaphylos viscida subsp. viscida Ira L. Wiggins 1955-7-23 13462 Siskiyou Ridge w. of China Creek, s. side of s. fork of Salmon River. 960 Comment
  CAS-BOT-BC47011  Arctostaphylos viscida subsp. viscida Doris K. Kildale 1929-5-12 7792 Siskiyou Sawyers Bar, n. fork of Salmon River. Comment
  CAS-BOT-BC47016  Arctostaphylos viscida subsp. viscida Doris K. Kildale 1929-5-11 7717 Siskiyou Cecilville, upper s. Fork of Salmon River. Comment
  POM31414  Arnica amplexicaulis Geo. D. Butler 1910-7-7 1656 Siskiyou Shackleford Creek. Comment
  RSA237480  Arnica cordifolia Frederick W. Oettinger 1969-7-16 1038 Siskiyou SSW of Abbott's Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1799 Comment
  RSA93460  Arnica discoidea M. S. Baker, H. K. Wagnon 1953-7-11 12833 Siskiyou 1.9 mi. above Whitlock Camp in open forest. 1372 Comment
  UC166160  Arnica lanceolata subsp. prima Geo. D. Butler 1910-7-7 1656 Siskiyou Shackleford Creek Comment
  CAS-BOT-BC82667  Arnica latifolia John Thomas Howell 1937-7-22 13269 Siskiyou South Fork of Salmon River near Big Flat 1524 Comment
  CAS-BOT-BC82670  Arnica latifolia C. R. Quick 1950-6-21 50 -05 Siskiyou Upper Hungry Creek drainage, west of Hilt and east of Beaver Creek Comment
  UC166159  Arnica mollis Geo. D. Butler 1910-7-13 1773 Siskiyou Shackleford Creek 1219 Comment
  RSA238816  Arnica parryi subsp. sonnei Frederick W. Oettinger 1969-7-28 1087 Siskiyou NE above Toms Upper Pond. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2027 Comment
  HSC66241  Arnica viscosa Maralyn A. Renner 1980-9-1 2697 Siskiyou S side of Devil's Punchbowl 1829 Comment
  UCD70481  Artemisia R. Fernau 1997-6-26 2 Siskiyou Klamath Mountains: Marble Mountain Wilderness. Summit of mountain, mafic metavolcanic rocks, no trees. Taxa with highest cover values: Artemisia arbuscula?, Phlox, Festuca, and Phacelia. 2097 Comment
  CAS-BOT-BC84888  Artemisia campestris subsp. pacifica Gilbert Muth 1966-7-22 435 Siskiyou Marble Rim, Marble Mountains 2194 Comment
  CAS-BOT-BC90471  Artemisia douglasiana H. E. Brown 1897-7-15 574 Siskiyou South side Mt. Shasta 3048 Comment
  CAS-BOT-BC90476  Artemisia douglasiana Ira L. Wiggins 1955-7-26 13511 Siskiyou Banks of S Fork of Salmon R just above mouth of Blind Horse Creek 886 Comment
  CAS-BOT-BC97250  Artemisia ludoviciana J. P. Smith; J. O. Sawyer 1973-8-14 7324 Siskiyou Hillside west of Cliff Lake 2011 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
  HSC68276  Artemisia ludoviciana subsp. ludoviciana Steve Selva, J. P. Smith 1970-8-9 4578 Siskiyou W of Macdoel Comment
  JEPS74562  Artemisia norvegica subsp. saxatilis W. J. Ferlatte 1966-8-5 342 Siskiyou Caribou Mountain Trinity Alps 2468 Comment
  RSA15586  Aruncus sylvester Carl B. Wolf 1927-8-27 1139 Siskiyou Mouth of Crawford Creek, Klamath river Comment
  UC727045  Asarum caudatum A. A. Heller 1919-6-27 13276 Siskiyou Metcalfs Comment
  SBBG16539  Asclepias cordifolia D. Myrick 1961-6-20 271 Siskiyou near Mt Shasta City 1066 Comment
  UCD77362  Asclepias cordifolia Robert E. Preston 2002-6-21 1879 Siskiyou Klamath National Forest, Rainbow Mountain, S slope. 1819 Comment
  SEINET6833731  Asclepias cordifolia G. D. Butler 1910-6-7 1531 Siskiyou Greenhorn Mountain Comment
  SEINET10890228  Asclepias fascicularis Mark E. Fishbein, L. Greer 2006-8-4 Fishbein 5886 Siskiyou Along Hill Road, 0.5 mi S of Devil's Homestead, Lava Beds National Monument, about 3.75 mi NNW of Schonchin Butte 1285 Comment
  SEINET515877  Asclepias fascicularis Vernon H. Oswald 1998-9-8 9601 Siskiyou Julia Glover Flat on USFS 3 ca. 6 air mi W of mosquito Lake and Whitehorse Flat Reservoir. 1113 Comment
  UC1409503  Asclepias speciosa F. W. Oettinger 1969-8-12 1331 Siskiyou 1 mi from Etna Summit (on road toward Etna); Salmon Mountains Comment
  RSA60664  Aspidotis densa I. L. Wiggins 1950-5-28 12379 Siskiyou Just above Grouse Lake, headwaters of Grouse Lake 1829 Comment
  UC218601  Aspidotis densa C. G. Pringle 1882-9-3 Siskiyou Mts above head waters of Sacramento River Comment
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Jul 19 2010
  SEINET11852800  Aster alpigenus var. andersonii C. T. Pringle 1882-1 s.n. Siskiyou Mts. about headwaters of Sacramento River Comment
  RSA44885  Aster ledophyllus J. C. Roos 1948-9-1 3949 Siskiyou Pass southwest of Etna Comment
  CAS-BOT-BC177277  Astragalus accidens var. hendersonii L. E. Smith 1913-7-1 s.n. Siskiyou Hilt Comment
  UC82618  Astragalus accidens var. hendersonii Copeland 1903-7-6 3512 Siskiyou Hornbrook Comment
  CAS-BOT-BC178807  Astragalus californicus T. S. Brandegee 1887-6-1 s.n. Siskiyou Near Yreka Comment
  CAS-BOT-BC178814  Astragalus californicus L. E. Smith 1915-5-30 s.n. Siskiyou Weed Comment
  RSA111033  Astragalus curvicarpus R. C. Barneby 1954-5-18 11504 Siskiyou 2.5 miles N of Gazelle. Alt. 2750 feet. Comment
  RSA94041  Astragalus curvicarpus R. C. Barneby 1954-5-15 11504 Siskiyou 2.5 miles n. of Gazelle. 838 Comment
  CAS-BOT-BC186918  Astragalus inversus J. William Thompson 1936-7-9 13167 Siskiyou Lava slopes of Lava Beds Nat. Monument Comment
  CDA26704  Astragalus lentiginosus var. salinus T. C. Fuller 1962-6-12 8966 Siskiyou Davis Road to Medicine Lake, Little Oklahoma district, ca. 15 miles east of Dorris. 0 Comment
  SEINET5326786  Astragalus purshii var. tinctus G. Butler 1910-5-5 1283 Siskiyou Humbug Mtn. Comment
  SEINET5326835  Astragalus purshii var. tinctus G. Butler 1910-3-20 1134 Siskiyou dry hills near Yreka Comment
  HSC81526  Astragalus whitneyi var. siskiyouensis Thomas W. Nelson, Jane P. Nelson 1980-7-17 6071 Siskiyou Along FS Rd. 17, 1 mi. N of summit at county line 2073 Comment
  CAS-BOT-BC94462  Astragalus whitneyi var. siskiyouensis R. C. Wenk 2005-7-19 319 Siskiyou Along Pacific Crest Trail, 1-2 miles S of parking lot at top of pass on National Forest Road 17, going towards Mt. Eddy 2133 Comment
  HSC67631  Asyneuma prenanthoides J. P. Smith, Steve Selva 1970-7-16 4396 Siskiyou Blue Mtn. Comment
  HSC30653  Asyneuma prenanthoides Frederick W. Oettinger 1969-8-5 1198 Siskiyou High Lake Basins in the vicinity of English Peak Marble Mtn. Wilderness Area, on slope along trail between Abbott's Upper Cabin and English Lake, just above Willow Springs. 1677 Comment
  RSA237516  Athyrium americanum Frederick W. Oettinger 1968-8-12 499 Siskiyou From Golden Peak in the area just southeast of Tobacco Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1890 Comment
  RSA597968  Athyrium americanum L. C. Wheeler 1963-8-31 8318 Siskiyou Siskiyou Mountains, Devils Punch Bowl. 1433 Comment
  CAS-BOT-BC66200  Athyrium filix-femina var. cyclosorum A. A. Heller 1915-8-26 12234 Siskiyou Mt. Eddy 1828 Comment
  HSC35795  Athyrium filix-femina var. cyclosorum J. O. Sawyer 1968-6-18 171 Siskiyou Above S Russian Creek on W side. 1463 Comment
  UC637169  Athyrium filix-femina var. cyclosorum Edward Lee 1934-8-11 1032 Siskiyou e end Seiad Valley (Walker Creek, a tributary of Klamath River) 609 Comment
  CDA2952  Atriplex heterosperma R. Pederson, G. Pederson 1979-9-26 111 Siskiyou Lower Klamath National Wildlife Refuge. Comment
  UC164030  Atriplex rosea Geo. D. Butler 1909-9-20 1066 Siskiyou damp fields near Yreka; damp fields near Yreka Comment
  RSA245302  Atriplex rosea J. P. Smith, J. Sawyer 1972-9-14 5796 Siskiyou Miners Creek Road just south of French Creek Road between Callahan and Etna 915 Comment
  UC456083  Balsamorhiza deltoidea I. J. Condit 1911-7-10 Siskiyou Shasta Retreat, old logging road Shasta Retreat 914 Comment
  SEINET193358  Balsamorhiza hookeri Unknown 1942-5-14 2919 Siskiyou One mile east of Yreka. 762 Comment
  SEINET7042826  Balsamorhiza hookeri var. lanata A. G. Vestal 1955-5-16 s.n. Siskiyou Serpentine ca. 6.2 miles northwest of Weed. Weed quadrangle UTM Zone 10, 543291mE, 4591309mN. Comment
  JEPS125861  Balsamorhiza lanata Dean W. Taylor 1996-6-27 15747 Siskiyou Scott Valley; hill slopes on south base of Hartstrand Gulch about 2 miles east of canyon mouth. About 5 air miles E of Etna Comment
  UC1540008  Balsamorhiza sagittata M. Mitchell 1936-5-8 7 Siskiyou 1/4 mi e of, on road Symbol Bridge 1417 Comment
  UC204801  Beckmannia syzigachne Geo. D. Butler 1908-6-25 484 Siskiyou along creek near Yreka Comment
  HSC44617  Berberis aquifolium var. aquifolium Laura Witherspoon 1977-5-20 Siskiyou Along rd. to Stewart Springs 1067 Comment
  HSC41073  Berberis aquifolium var. repens J. O. Sawyer 1970-3-4 2076 Siskiyou N of Idlewild Campground. 762 Comment
  HSC65095  Berberis aquifolium var. repens J. P. Smith 1973-5-5 6399 Siskiyou In and around the O'Neill Campground near Seiad Valley. 488 Comment
  UC165959  Berberis nervosa Geo. D. Butler 1910-5-5 1287 1/2 Siskiyou <Hanby Creek> Comment
  CAS-BOT-BC75921  Berberis piperiana Doris K. Kildale 1929-5-12 7780 Siskiyou Sawyers Bar North Fork of Salmon River. Comment
  CAS-BOT-BC75926  Berberis piperiana L. B. Kildale 1930-6-1 9822 Siskiyou Etna Mills. Comment
  CAS-BOT-BC75942  Berberis piperiana John Thomas Howell; T. C. Fuller; G. D. Barbe 1980-4-29 53430 Siskiyou Along East Fork Scott River 2 miles east of Callahan on road to Gazelle. 990 Comment
  CDA34722  Berula erecta L. Ahart, John Dittes 2010-7-3 16934 Siskiyou Along the west edge of the Shasta River, about 30 yards northwest of the East Louie Road Bridge, Shasta Big Springs Ranch, 1.6 miles (air) southwest of Big Springs Lake, 4.6 miles (air) northwest of Dwinnel Dam, 5.7 miles (air) southeast of Grenada. Comment
  CDA38215  Berula erecta Carrick 1943-1 s.n. Siskiyou Weed. 0 Comment
  CAS-BOT-BC169488  Betula occidentalis W. R. Dudley 1901-8-26 s.n. Siskiyou Salmon Mountains Comment
  HSC100271  Betula occidentalis J. P. Smith, , J. O. Sawyer, & R. J. Cole 2010-8-7 13065 Siskiyou Klamath National Forest, road to Crater Lake off Forest Service Road 40N24. 2003 Comment
  RSA30437  Betula occidentalis A. A. Heller 1915-7-18 12133 Siskiyou Metcalf s ranch, NE base of Mt. Eddy. 1189 Comment
  UC796520  Betula occidentalis Roxana S. Ferris and Laura Lorraine Jun 12 1948-Jun 16 1948 11823 Siskiyou Plowman's (Noyes) Valley east fork of Scott River drainage, Parker Ranch 1203 Comment
  CAS-BOT-BC102124  Bidens cernua A. A. Heller 1914-8-26 11718 Siskiyou Deetz Station near Black Butte 1158 Comment
  HSC27220  Bidens frondosa J. P. Smith, J. O. Sawyer 1971-9-18 4793 Siskiyou Hwy. 3, between Callahan and Etna at the turnoff to the Proctor Ranch. Comment
  CAS-BOT-BC413076  Bistorta bistortoides H. A. Thomas; J. H. Thomas 1954-7-24 4496 Siskiyou Salmon - Trinity Mts. Vicinity of Rush Lake and Rush Creek Meadow. About 9 miles E of Cecilville 1981 Comment
  HSC64428  Bistorta bistortoides J. P. Smith, Steve Selva 1970-7-17 4478 Siskiyou Below Kangaroo Lake. 1890 Comment
  HSC68981  Bistorta bistortoides Maralyn A. Renner 1980-7-24 2060 Siskiyou Lily Pad Lake 1768 Comment
  HSC30407  Bistorta bistortoides Frederick W. Oettinger 1968-8-8 446 Siskiyou Marble Mtn. Wilderness Area, slope dropping down to Upper English Lake near trail 'Y' to English Peak 2165 Comment
  HSC76736  Bistorta bistortoides K. T. Stillman 1976-7-14 236 Siskiyou Marble Mtn. Wilderness Area; Big Rock Camp & slope to Elk Valley 2073 Comment
  CAS-BOT-BC127943  Blepharipappus scaber W. R. Dudley 1899-8-22 s.n. Siskiyou Slopes of Craggy Mt. Comment
  CHSC38990  Blepharipappus scaber J. D. Jokerst 1983-7-21 1865 B Siskiyou Center of the east edge of the large open meadow at Wiley Ranch. Comment
  CHSC63494  Blepharipappus scaber Vernon H. Oswald; Lowell Ahart 1994-8-1 6444 Siskiyou Junction of Forest Rd. 17 and Stewart Springs Rd., W of Weed. 1146 Comment
  CAS-BOT-BC127926  Blepharipappus scaber John Thomas Howell; T. C. Fuller; G. D. Barbe 1980-4-29 53444 Siskiyou Open serpentine slope 7 miles east of Callahan on road to Gazelle 1173 Comment
  CAS-BOT-BC16892  Boechera Vesta Holt 1943-8-13 M- 16 Siskiyou Marble Mountains. Comment
  RSA0125480  Boechera Geo. D. Butler 1910-7-9 1719 Siskiyou Marble Mountain. 1829 Comment
  CAS-BOT-BC15790  Boechera acutina John Thomas Howell 1937-7-24 13418 Siskiyou Salmon-Trinity Alps. Caribou Basin. 2286 Comment
  UC375280  Boechera breweri Geo. D. Butler 1910-3-5 1118 Siskiyou Shasta Rim Comment
  CHSC102558  Boechera howellii L. P. Janeway 2009-8-3 9885 Siskiyou High Cascade Range. Mt. Shasta, east-northeast slope 1.3 air km southwest of Brewer Creek Trailhead; about 0.3 km south of Brewer Creek. 2560 Comment
  CAS-BOT-BC14673  Boechera rectissima A. A. Heller 1916-6-23 12421 Siskiyou Near Black Butte north of Sisson. 1127 Comment
  CAS-BOT-BC25415  Boechera retrofracta George Dexter Butler 1910-6-5 1505 Siskiyou Shackleford Creek. Comment
  CAS-BOT-BC25428  Boechera retrofracta J. H. Thomas 1954-5-13 4131 Siskiyou Klamath National Forest. Salmon Mountains. Near South Fork of Salmon River, 5 to 9 miles southeast of Cecilville. 1066 Comment
  UC722114  Boechera retrofracta C. L. Hitchcock and J. S. Martin 1939-7-9 5308 Siskiyou near Marble Mt. (Kings Castle) (n side of Black Mt.); Black Mt. 2072 Comment
  UC166138  Boechera sparsiflora Geo. D. Butler 1910-4-16 1178 Siskiyou Klamath hills Klamath Comment
  HSC29124  Boschniakia strobilacea Frederick W. Oettinger 1969-7-14 1021 Siskiyou High Lake Basins in the vicinity of English Peak, Marble Mtn. Wilderness Area, on the N side of Charmaine Lake 1921 Comment
  SEINET10500399  Boschniakia strobilacea Mary Susan Taylor 1980-6-23 Taylor 2944 Siskiyou T39N R6W se sec 25 Dunsmuir quad. Shasta-Trinity Natl Forest; bog around Cedar Lake, ca. 11 mi SW of Mt Shasta City; peaty soils over gabbro. 1737 Comment
  HSC72378  Brickellia greenei J. P. Smith, J. O. Sawyer, Jane Sawyer, Kevin Sawyer 1976-9-5 8964 Siskiyou 1/2 mile N of Siskiyou County line on Hwy. 3 Comment
  SEINET10879263  Brickellia greenei Andrew Townesmith, Karen M. Meyer 2007-7-28 Townesmith 862 Siskiyou Shasta-Trinity National Forest. Along Forest Service route 26, 4.1 miles west of forest boundary. T39N R5W S10. 1277 Comment
  JEPS16950  Brickellia greenei Peter H. Raven 1956-9-5 10462 Siskiyou Fork of the Sacramento River 1828 Comment
  UC635731  Brodiaea elegans subsp. elegans D. Tebbe 1929-7-15 135 Siskiyou White's Gulch Salmon Mts. Comment
  CAS-BOT-BC484384  Brodiaea elegans subsp. elegans Clarice Nye 1940-7-1 s.n. Siskiyou Near Copco, Green Springs Mountain, California-Oregon border Comment
  UC144809  Bromus briziformis A. A. Heller 1905-6-20 8075 Siskiyou Gazelle Comment
  CAS-BOT-BC149058  Bromus carinatus var. carinatus Geo. D. Butler 1909-6-22 842 Siskiyou Goosenest Foothills. Comment
  HSC43470  Bromus hordeaceus Maralyn O'Meara 1974-5-25 381 Siskiyou Along Rd. 8, 0.9 mi. from its junction with Hwy. 3 976 Comment
  CAS-BOT-BC162133  Bromus orcuttianus H. A. Thomas; J. H. Thomas 1954-7-21 4432 Siskiyou Salmon-Trinity Mountains. About 6 miles southeast of Cecilville. West side of Rush Creek. 1219 Comment
  SEINET10520365  Bromus orcuttianus A. Arthur Heller 1905-6-13 Heller s.n. Siskiyou Near Shasta Springs. Comment
  UC166002  Bromus racemosus Geo. D. Butler 1909-5-21 817 Siskiyou near Yreka Comment
  CAS-BOT-BC161705  Bromus rubens L. R. Short 1933-5-31 80 Siskiyou Klamath Forest. Cougar Gulch. 914 Comment
  POM363991  Bromus tectorum M. B. Dunkle 1945-7-19 9232 Siskiyou Klamath National Forest; Marble Mts. Comment
  UCD59865  Bromus tectorum Sandra L. Holloway 1963-4-11 33 Siskiyou Umbrella Hill,' 1 mile S of Oberlin Road and 5 miles SE of Yreka. 762 Comment
  CAS-BOT-BC185382  Bromus vulgaris John Thomas Howell 1937-7-23 13364 Siskiyou South Fork of Salmon River near Big Flat. 1524 Comment
  HSC39661  Bromus vulgaris J. P. Smith, J. O. Sawyer, Maralyn O'Meara 1972-7-4 5728 Siskiyou 0.9 mi. S of Sugar Creek on Parrott Mill Rd. 1341 Comment
  RSA238380  Calamagrostis canadensis Frederick W. Oettinger 1969-8-6 1235 Siskiyou Northwest of Pine Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1875 Comment
  UC1265421  Calamagrostis canadensis Frederick W. Oettinger 1969-9-4 1653 Siskiyou below Tobacco Lake W Siskiyou County, Salmon Mountains, Marble Mountain Wildern (high lake basins in vicinity of English Peak) 1889 Comment
  HSC104253  Calamagrostis canadensis var. canadensis Dana York 2011-9-9 3099 Siskiyou Klamath National Forest, a few meters inside Marble Mountain Wilderness at Isinglass Lake. 1985 Comment
  RSA239128  Calamagrostis koelerioides Frederick W. Oettinger 1969-9-3 683 Siskiyou West of Horse Range Lake, northwest of Horse's Hole Pond. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1921 Comment
  UCD57248  Calamagrostis koelerioides A. H. Murphy 1954-8-11 54 - Siskiyou USFS, Klamath National Forest, McCash Forks. 1676 Comment
  CAS-BOT-BC185258  Calamagrostis koelerioides Doris K. Kildale 1929-8-24 8814 Siskiyou Preston Peak. 2133 Comment
  NY18928  Calocedrus decurrens H. T. Edwards 08 1875 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
  SEINET13289850 Image available Calocedrus decurrens D. K. Bailey 1972-1 72 -36 Siskiyou Happy Camp, 7 mi. NW Comment
  UC54189  Calochortus coeruleus H. M. Hall and E. B. Babcock Jun 1903 4033 Siskiyou Dunsmuir Upper Sacramento Valley 609 Comment
  UC909346  Calochortus coeruleus Ira L. Wiggins 1950-5-28 12383 Siskiyou just above Grouse Lake (headwaters of Grouse Creek); Grouse Creek 1737 Comment
  SBBG16027  Calochortus elegans D. Myrick 1961-6-20 283 Siskiyou Bear Springs, Mt Shasta 1676 Comment
  CAS-BOT-BC488613  Calochortus elegans var. nanus Wm. Bridge Cooke 1938-7-1 11154 Siskiyou Above Bear Spring. (Transition); Mount Shasta 1600 Comment
  CDA39291  Calochortus elegans var. nanus D. Osterhandt & D. H. Shaw 1978-3-31 s.n. Siskiyou Along road between Forks of Salmon and Somes Bar, southwestern part of county. 0 Comment
  UC1170099  Calochortus macrocarpus unknown 1956-7-16 30302 Siskiyou n side Mount Shasta (along U.S. Hwy 97, above hwy) 1219 Comment
  CHSC41224  Calochortus nudus J. D. Jokerst 1983-7-6 1834 Siskiyou Ca. 5.0 miles north of Pondosa (N of Hwy. 89), ca. 1.0 mile west of Sand Flat Well. Comment
  UC1333321  Calochortus nudus Dorothy Parker 1949-7-4 Siskiyou Summit of Scott Mountain 1676 Comment
  JEPS86146  Calochortus persistens Mr. L. P. Crocker 1890-1 Siskiyou near Yreka Comment
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Jan 10 2020
  HSC44915  Calochortus tolmiei J. P. Smith 1973-5-5 6483 Siskiyou Along Cook and Green Pass Rd. Comment
  CAS-BOT-BC132626  Calochortus uniflorus Wayne Roderick 1967-7-25 s.n. Siskiyou Cabin Meadow, n. of Cory Peak, Scott Mts. 1828 Comment
  RSA120213  Calochortus uniflorus S. S. Tillett 1956-7-11 693 Siskiyou just N of campground, Scott Mtn divide, Siskiyou - Trinity County line, 8 mile SE of Callahan. 1631 Comment
  UC1094390  Caltha biflora Rimo C. Bacigalupi with Galen Smith 1957-6-26 5955 Siskiyou Gumboot Lake, head of the South Fork of Sacramento River ca. 6 miles due south of Mt. Eddy. 1859 Comment
  HSC69129  Caltha leptosepala Maralyn A. Renner 1980-7-24 2046 Siskiyou Lily Pad Lake 1768 Comment
  CAS-BOT-BC272752  Calycadenia truncata subsp. truncata Ella Dales Cantelow 1938-10-23 2378 Siskiyou 16 mi. n.w. of Yreka, Klamath River Hy. #96 Comment
  HSC22850  Calyptridium monospermum J. O. Sawyer 1969-7-2 1000 Siskiyou E of Twin Lakes 2195 Comment
  HSC61819  Calyptridium monospermum Ruby Van Deventer 1938-7-21 Siskiyou Poker Flat 1585 Comment
  HSC4942  Calyptridium umbellatum J. O. Sawyer 1968-7-9 413 Siskiyou Ridge between Sugar Creek and Duck Lake Creek drainages 2195 Comment
  HSC66108  Calystegia occidentalis subsp. occidentalis J. P. Smith, Steve Selva 1970-6-15 3930 Siskiyou Between Forks of Salmon and Cecilville. Comment
  POM76572  Calystegia occidentalis subsp. occidentalis Geo. D. Butler 1909-5-30 764 Siskiyou Humbug Road Comment
  CAS-BOT-BC36989  Camelina microcarpa Alice Eastwood 1912-7-16 1137 Siskiyou McCloud. Comment
  CDA3583  Camelina microcarpa F. Wallier 1961-5-1 Siskiyou R. Collier, Yreka. 0 Comment
  SDSU8627  Camissonia tanacetifolia D. F. Howe 1972-7-8 4880 Siskiyou Grass Lake, 21 miles north of Weed on #97. 1524 Comment
  SEINET3142707  Campanula prenanthoides G. D. Butler 1910-8-7 1815 Siskiyou Humbug Mountain 1219 Comment
  UC1037435  Campanula prenanthoides Douglas Barbe 1955-7-28 317 Siskiyou on n slope of mountain 1/4 mi sw Big Carmen Lake; Klamath Mountains, Scott Mountain 1737 Comment
  SEINET10939014  Campanula prenanthoides Edward L. Greene 1876-7-21 Greene 958 Siskiyou Near Yreka Comment
  HSC44652  Campanula rotundifolia J. P. Smith, Steve Selva 1970-7-18 4494 Siskiyou Hanging bog at Kangaroo Lake. 1890 Comment
  HSC76900  Campanula rotundifolia K. T. Stillman 1976-7-22 289 Siskiyou Marble Mtn. Wilderness Area Comment
  SEINET10463523  Campanula scouleri Muth 1975-8-1 MUTH s.n. Siskiyou NR. SUTCLIFFE CR., PRESTON PEAK QUAD. NR. HAPPY CAMP STREAMSIDE, EVERGREEN FOREST 1341 Comment
  RSA456191  Campanula scouleri M. B. Dunkle 1944-7-15 9102 Siskiyou Siskiyou Natl. Forest Comment
  SEINET10463782  Campanula scouleri Setchell 1902-7-26 SETCHELL s.n. Siskiyou Mount Shasta; Sisson Comment
  SEINET10972074  Campanula scouleri Edward L. Greene 1879-1 Greene 1732 Siskiyou Soda Springs, upper Sacramento River Comment
  HSC66249  Campanula wilkinsiana Maralyn A. Renner 1980-8-21 2538 Siskiyou Kidd Creek 2043 Comment
  SEINET10463878  Campanula wilkinsiana Cyrus G. Pringle 1881-8-24 Pringle s.n. Siskiyou MT. SHASTA 2134 Comment
  CAS-BOT-BC37193  Capsella bursa-pastoris Doris K. Kildale 1929-5-31 9166 Siskiyou Cecilville. South Fork Salmon River. Comment
  CAS-BOT-BC37314  Cardamine breweri Reed Rollins 1939-6-23 13508 Siskiyou Mount Shasta. Bear Springs. 1524 Comment
  CAS-BOT-BC37745  Cardamine californica A. A. Heller 1919-6-25 13272 Siskiyou Compton's prairie, north base of Mount Eddy. 1158 Comment
  CAS-BOT-BC37798  Cardamine nuttallii R. C. Barneby 1954-5-17 11541 Siskiyou Scott Mountain Summit, Siskiyou-Trinity County line. Comment
  CDA3667  Cardaria chalepensis E. Hale 1989-5-15 Siskiyou Bruce Street, between Fourth and Main, Yreka. 0 Comment
  HSC48639  Carex aquatilis D. H. Norris May 1970 12267 Siskiyou Haypress Meadows, Marble Mtn. Wilderness Area 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
  CHSC106462  Carex atherodes Peter F. Zika 2009-8-16 24601 Siskiyou Cascade Range Highlands (CaRH). On north side of Route 97, 0.4 road miles ENE of Grass Lake Rest Area, in seasonally wet meadow of Grass Lake. 1540 Comment
  UC143808  Carex athrostachya Dr. E. B. Copeland 1903-9-7 3866 Siskiyou Mount Eddy 2133 Comment
  HSC76844  Carex athrostachya L. P. Janeway 1982-8-13 121 Siskiyou 4 m from creeklet that joins Bear Creek 1555 Comment
  SEINET10644707  Carex athrostachya Edwin B. Copel 1903-9-7 Copeland 3866 Siskiyou Mt. Eddy. 2134 Comment
  CHSC75766  Carex aurea Vernon H. Oswald; Lowell Ahart 1999-7-5 9817 Siskiyou Hwy. 3 4.0 mi southeast of Gazelle-Callahan Hwy. 1365 Comment
  CAS-BOT-BC19657  Carex brainerdii John Thomas Howell 1939-8-3 15008 Siskiyou Marble Mountains. Spirit Lake. 1828 Comment
  CHSC96545  Carex brainerdii L. P. Janeway 2006-7-2 8729 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-BC34158  Carex breweri J. W. Stacey 1938-7-28 11367 Siskiyou Mount Shasta. North Ridges. 2743 Comment
  JEPS25573  Carex breweri Rimo Bacigalupi with George Bacigalupi Jr. 1959-7-1 7198 Siskiyou near head of ski lift above Mount Shasta Ski Bowl Lodge; southwestern slopes of Mount Shasta 2834 Comment
  UC666  Carex breweri var. breweri W. H. Brewer 1862-9-16 1422 Siskiyou Mt. Shasta; ; Mt. Shasta 2438 Comment
  HSC170  Carex cusickii William J. Ferlatte 1966-8-2 234 Siskiyou Big Flat, between campground and S fork of the Salmon River 1524 Comment
  UC195512  Carex cusickii Geo. D. Butler 1910-6-5 1475 Siskiyou Shackleford Creek Comment
  RSA237231  Carex deflexa var. boottii Frederick W. Oettinger, Robert F. Thorne 1969-8-5 1217 Siskiyou Near Crapo Peak at Crapo View Gap. Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. Comment
  CAS-BOT-BC34943  Carex densa George Dexter Butler 1909-6-10 809 Siskiyou Along creek near Yreka. Comment
  HSC96548  Carex echinata subsp. echinata Gordon Leppig 1998-7-10 904 Siskiyou Russian Wilderness, Little Duck Lake Fen, cirque W of Little Duck Lake 2200 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
  JEPS84180  Carex echinata subsp. echinata L. R. Heckard with J. Hickman 1986-7-16 6444 Siskiyou se Red Butte (ca. 5 mi n of the town of Seiad Valley); Lily Pad Lake 1770 Comment
  HSC89537  Carex exsiccata K. Berg, Stephanie Bennett 1986-8-25 652 Siskiyou Salmon-Trinity Alps Wilderness, headwaters of Little S Fork of Salmon River, above Little S Fork Lake 1982 Comment
  CAS-BOT-BC20751  Carex fracta Rimo Bacigalupi 1959-7-1 7209 Siskiyou Western Slopes at broadening base of Mt. Shasta. 1676 Comment
  SEINET10652997  Carex gigas Thomas W. Nelson, Jane P. Nelson; James P. Smith 1978-7-24 Nelson 4544 Siskiyou Siskiyou-Trinity County line. China Mountain Quad. T39N, R7W, Sec. 5. Bog at head of Scott Mountain Creek south of Forest Service Campground. 1646 Comment
  SEINET515838  Carex halliana Vernon Oswald 1997-7-28 8798 Siskiyou Schonchin Spring Campground at Medicine Lake. 2057 Comment
  CAS-BOT-BC22296  Carex hassei John Thomas Howell 1937-7-23 13334 Siskiyou South Fork of Salmon River near Big Flat. 1524 Comment
  UC1540260  Carex heteroneura Dean W. Taylor 1987-6-26 9066 Siskiyou Paynes Springs, 2 mi SE from Medicine Lake, near head of easternmost spring. 1996 Comment
  UC1540262  Carex hoodii Dean W. Taylor 1987-6-26 9067 Siskiyou 2 mi se Medecine Lake (near head of easternmost spring); Paynes Springs 1996 Comment
  RSA13866  Carex hoodii L. C. Wheeler 1934-7-2 2841 Siskiyou Little Smoky Creek, Sterling Mt., Siskiyou Mts. 1280 Comment
  UC1755300  Carex inops subsp. inops Dean W. Taylor 2005-7-14 19406 Siskiyou Mount Shasta: Bear Spring, Big Canyon Creek drainage. 1533 Comment
  HSC76846  Carex integra L. P. Janeway 1982-8-13 129 Siskiyou 50 m from SW edge of Bear Lake 1829 Comment
  HSC97430  Carex jonesii Jennifer Whipple 1978-10-6 2432 Siskiyou Dale Creek drainage on the N face of Mt. Eddy 2195 Comment
  UC1152060  Carex jonesii Joseph P. Tracy 1950-7-20 19205 Siskiyou about 5 mi se Elk Valley; Flint Valley 1432 Comment
  RSA550445  Carex laeviculmis R. Tallent 1987-8-12 899 Siskiyou Klamath National Forest; Long Gulch Lake. 1940 Comment
  HSC76370  Carex lenticularis var. impressa L. P. Janeway 1982-8-15 142 Siskiyou Below Echo Lake 1646 Comment
  JEPS101102  Carex luzulifolia Dean W. Taylor 1996-7-25 15840 Siskiyou Scott Mtns.; Crater Lake, in cirque above upper lake (about 10 air miles west of Weed); Klamath National Forest Comment
  UCD140530  Carex luzulina A. A. Heller 1920-7-6 13410 Siskiyou Metcalf's ranch, northeast base of Mt. Eddy. 1158 Comment
  UCD140532  Carex luzulina Robert E. Preston 1996-7-24 984 Siskiyou 2 miles SE of Medicine Lake, at Paynes Springs. 2011 Comment
  UC1608360  Carex luzulina var. ablata J. Kierstead 1991-7-3 91 -93 Siskiyou Fawn Creek Meadow Shasta-Trinity National Forests, Mt. Shasta Ranger Dist. 1828 Comment
  CAS-BOT-BC32012  Carex multicaulis M. A. Berry 1957-7-4 s.n. Siskiyou Carter Meadow at junction of Long Gulch and Trail Gulch on S Fork of Salmon River. 1524 Comment
  UC909344  Carex multicaulis Ira L. Wiggins 1950-5-28 12363 Siskiyou ca 1.5 mi e Scott Mt. Road; Carmen Lake 1737 Comment
  HSC69230  Carex multicostata Maralyn A. Renner 1980-9-1 2717 Siskiyou S side of Devil's Punchbowl 1829 Comment
  SEINET7568517 Image available Carex multicostata Frederick W. Oettinger, R. F. Thorne 1969-8-6 1244 Siskiyou High Lake Basins in the vicinity of English Peak Marble Mountain Wilderness Area, Pine Lake Meadows. 1844 Comment
  CHSC38992  Carex nebrascensis J. D. Jokerst 1983-7-5 1828 Siskiyou N end of Atkin's Meadow. Ca 15 air miles east of McCloud. Comment
  CHSC40157  Carex nudata L. P. Janeway 1983-6-25 337 Siskiyou Along west side Klamath Rover at Swillup Creek. 243 Comment
  SEINET7569430 Image available Carex nudata John Thomas Howell, T. C. Fuller, G. D. Barbe 1980-5-20 53559 Siskiyou East Fork Scott River 2 miles east of Callahan on road to Gazelle. 1006 Comment
  CHSC48072  Carex pachystachya L. P. Janeway 1983-6-25 327 Siskiyou Seep along edge of dirt road ca 350 m N of West Branch USFS Station towards Indian Cr. 670 Comment
  UC55221  Carex pachystachya H. M. Hall and E. B. Babcock June 1903 4063 Siskiyou Sisson Sierra Nevada Mountains, Mount Shasta; Sisson, Mt. Shasta, Siskiyou Co., Sierra Nevada Mts. 1066 Comment
  RSA577427  Carex praegracilis L. C. Wheeler 1935-6-30 3632 Siskiyou Shasta Valley, 3 miles S of Grenada. 793 Comment
  JEPS63665  Carex raynoldsii Sonis Sorenzen 5 d Siskiyou Medicine Lake Comment
  CHSC109958  Carex rossii Peter F. Zika; Julie Nelson 2012-6-21 25908 Siskiyou Ridge above South Fork Willow Creek, 9 air km ENE of Gazelle Mountain, Shasta-Trinity National Forest, FS Road 42N42Y, 0.25 road miles E of junction with 42N19, Klamath Range. 1665 Comment
  HSC37155  Carex rossii J. O. Sawyer 1969-6-12 886 Siskiyou Above Sugar Creek, NW facing slope 1619 Comment
  HSC89804  Carex rostrata D. K. Imper 1987-7-22 Siskiyou 8 mi. E of Somes Bar 1372 Comment
  HSC91238  Carex scabriuscula Jennifer Whipple 1976-6-19 1050 Siskiyou Near Durney Lake 2073 Comment
  RSA238969  Carex scopulorum Frederick W. Oettinger 1969-8-19 1455 Siskiyou Abbott s Basin. Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1905 Comment
  CHSC96434  Carex scopulorum var. bracteosa Gordon Leppig; Jennifer Kalt 1996-7-9 368 Siskiyou Klamath National Forest. Russian Wilderness, Little Duck Lake Fen. In cirque west of Little Duck Lake. UTM Zone 10 NAD 1927, 503813E, 4572466N. 2200 Comment
  UCR52394  Carex sitchensis L. P. Janeway 1983-7-24 453 Siskiyou Slope between upper & lower parts of meadow at Poker Flat. 1524 Comment
  CAS-BOT-BC117246  Carex spectabilis Annie M. Alexander; Louise Kellogg 1949-7-28 5886 Siskiyou Sky High Valley, Marble Mountains 1767 Comment
  HSC30555  Carex spectabilis Frederick W. Oettinger 1969-8-4 1178 Siskiyou Marble Mtn. Wilderness Area, between Tobacco Lake and Mud Lake 1890 Comment
  RSA142678  Carex spectabilis Phillip A. Munz 1960-8-22 24177 Siskiyou Panther Meadows, Mt. Shasta. 2317 Comment
  SEINET7575712 Image available Carex spectabilis John Thomas Howell 1939-8-8 15189 Siskiyou Black Mt, Marble Mts. 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
  UCD140917  Carex subfusca J. M. Tucker 1950-7-24 1951 Siskiyou beside Cold Creek at the Military Road crossing, about 6 miles northwest of Pilgrim Creek Experiement Station, east side of Mt. Shasta. Comment
  CAS-BOT-BC115846  Carex subfusca William Bridge Cooke 1938-6-24 11082 Siskiyou Mt. Shasta spring 1524 Comment
  POM81964  Carex subfusca Geo D. Butler 1910-6-5 1476 Siskiyou Shackleford Creek Comment
  POM81966  Carex subfusca Geo D. Butler 1910-5-29 1426 Siskiyou Slough near Yreka. Comment
  CAS-BOT-BC115166  Carex vesicaria A. A. Heller 1940-7-24 15763 Siskiyou Edge of Castle Lake. Comment
  UCD77478  Carex vesicaria Robert E. Preston 2001-6-30 1657 Siskiyou Klamath National Forest, Hemlock Lake, T42N R1W se 1/4 of se 1/4 Section 14 1889 Comment
  UC1980222  Cassiope mertensiana R. F. Thorne, Frederick W. Oettinger 1969-8-4 63371 Siskiyou Klamath National Forest, Salmon Mountains, Marble Mountain Wilderness Area, high lake basins in the vincinity of English Peak. 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
  UC1540025  Castilleja applegatei M. Mitchell 1936-5-21 26 Siskiyou Fleppe Chimney; Lava Beds National Monument 1478 Comment
  JEPS16626  Castilleja applegatei subsp. pinetorum Douglas Barbe 1955-7-28 311 Siskiyou 1 mi w Scott Mt. Camp (near the Siskiyou-Trinity County line); Klamath Mountains 1676 Comment
  JEPS3870  Castilleja arachnoidea W. L. Jepson 1940-6-27 20034 Siskiyou e slope Mt. Shasta 1828 Comment
  SEINET3159135  Castilleja arachnoidea G. D. Butler 1910-7-8 1684 Siskiyou Shackleford Creek 1829 Comment
  UC1037255  Castilleja arachnoidea Leo Whitney 1935-7-15 3476 Siskiyou 2 mi s Medicine Lake; Bullseye Lake Comment
  UC454801  Castilleja arachnoidea I. J. Condit 1911-7-22 Siskiyou Horse Camp; Mt. Shasta 2438 Comment
  HSC76912  Castilleja arachnoidea K. T. Stillman 1976-6-26 124 Siskiyou Marble Mtn. Wilderness Area, near Bear Lake. 1829 Comment
  RSA237567  Castilleja arachnoidea Frederick W. Oettinger 1967-8-4 270 Siskiyou Trail from English Peak Lookout on southwest ridge. The Salmon Mountains. The High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2207 Comment
  SEINET3159134  Castilleja arachnoidea subsp. schizotricha G. D. Butler 1910-7-9 1711 Siskiyou Wooly Creek 1676 Comment
  UCD122133  Castilleja brevilobata Jack Major; M. Fleschner and R. Pemble 1966-9-4 s.n. Siskiyou Northeast face of Marble Mountain, Marble Mountains. 2225 Comment
  CDA41245  Castilleja lacera G. D. Barbe, T. C. Fuller 1972-6-14 945 Siskiyou South of Oberlin Road, between Yreka and Montague. 0 Comment
  CAS-BOT-BC252477  Castilleja miniata Henry M. Pollard 1947-9-6 s.n. Siskiyou Dillons Mt. Forest Road 1524 Comment
  HSC69174  Castilleja miniata Maralyn A. Renner 1980-8-6 2333 Siskiyou Cracker Meadow 1555 Comment
  SEINET14142077  Castilleja miniata G. D. Butler 1910-6-3 1472 Siskiyou Quartz Valley. Comment
  CAS-BOT-BC254111  Castilleja miniata Wm. Bridge Cooke 1938-7-15 11191 Siskiyou Mt. Shasta. Meadow 1524 Comment
  SBBG6805  Castilleja miniata subsp. miniata H. and M. Dearing 1948-9-12 6732 Siskiyou Panther Meadow, Mt Shasta 2316 Comment
  CAS-BOT-BC32645  Castilleja pinetorum var. fragilis Charles Fuller Baker 1903-8-14 s.n. (= no. 3883 of C.F. Baker's distribution) Siskiyou Sisson, N. Cal. Comment
  CHSC35560  Castilleja pruinosa James Payne Smith Jr. 1976-5-4 8668 Siskiyou State Route 263, near its junction with State Route 96. 670 Comment
  HSC76734  Castilleja pruinosa K. T. Stillman 1976-7-15 242 Siskiyou Marble Mountain Wilderness Area. 1951 Comment
  HSC76889  Castilleja pruinosa K. T. Stillman 1976-7-7 154 Siskiyou Marble Mtn. Wilderness Area 1982 Comment
  UC163703  Castilleja pruinosa Geo. D. Butler 1910-5-15 1340 Siskiyou Greenhorn Mountain 1066 Comment
  UC164330  Castilleja pruinosa Geo. D. Butler 1910-5-1 1259 Siskiyou Humbug Mountain 1219 Comment
  UC922482  Castilleja pruinosa Annie M. Alexander and Louise Kellogg 1949-7-29 5898 Siskiyou above Sky High Lake (trail to Hidden Lake); Marble Mountains, Sky High Valley 1767 Comment
  RSA184820  Castilleja pruinosa Gilbert Muth 1966-7-14 394 -A Siskiyou Marble, south of Marble Valley, Marble Mountains. 1793 Comment
  CAS-BOT-BC241086  Castilleja schizotricha Gilbert Muth 1965-8-6 s.n. Siskiyou Backside of Blk. Mt. 2072 Comment
  JEPS3785  Castilleja schizotricha Geo. D. Butler 1910-7-9 1711 Siskiyou Woolly Creek Comment
  CDA36032  Ceanothus cordulatus CDFA Staff 1977-9-1 Siskiyou Lake Siskiyou. 0 Comment
  CAS-BOT-BC48387  Ceanothus cuneatus John Thomas Howell 1939-7-31 14859 Siskiyou Scott Valley near Fort Jones Comment
  HSC31491  Ceanothus cuneatus Steve Selva, Roger Jensen 1974-8-24 46 Siskiyou S facing slopes along Road 8 to Sugar Lake Trail Comment
  RSA399045  Ceanothus cuneatus Bonnie C. Templeton 1957-6-22 s.n. Siskiyou Along the Scott River, north of Callahan. Comment
  SBBG16397  Ceanothus integerrimus D. Myrick 1961-6-21 299 Siskiyou Deer Camp Rd above Oak Knoll Ranger Station, Klamath River, 19 mi W of Hwy 99 1066 Comment
  CAS-BOT-BC50688  Ceanothus integerrimus var. macrothyrsus A. A. Heller 1905-6-1 7926 Siskiyou Between Dunsmuir and Upper Soda Spring Comment
  CAS-BOT-BC53090  Ceanothus prostratus B. Bartholomew; B. Anderson 1988-5-12 4086 Siskiyou 4 km E of Hambone Butte between Hambone Butte and the N end of White Horse Mountains on Old Two Camp Road. Comment
  JEPS60237  Ceanothus prostratus L. R. Heckard with L. Constance and R. Ornduff 1969-6-24 2291 Siskiyou Mt. Shasta, NW side, along US 97, 0.7 mi S of Bolam road junction Comment
  POM85302  Ceanothus prostratus Geo. D. Butler 1910-5-10 1317 Siskiyou Goosenest Foothills. Comment
  RSA256581  Ceanothus prostratus J. P. Smith 1974-5-26 7554 Siskiyou Along Forest Service Road 47N03. 1524 Comment
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Feb 26 2013
  UC1076019  Ceanothus prostratus Herbert L. Mason 1947-5-17 14766 Siskiyou on Scott Mountain Road five mi s Callahan; s of Callahan Comment
  UCSB24688  Ceanothus prostratus Favere, R. 1968-4-21 Siskiyou on flat at foot of Black Butte; On old US 99, 3 miles north of Mount Shasta City; Scott Mountains. 1371 Comment
  UC163661  Ceanothus pumilus Geo. D. Butler 1909-4-24 907 Siskiyou Greenhorn Road Comment
  CAS-BOT-BC53030  Ceanothus sanguineus Geo. D. Butler 1910-6-17 1567 Siskiyou Humbug Mountain 1219 Comment
  SEINET12210763  Ceanothus sanguineus R. Gankin, Hildreth, R. 1967-1 1182 Siskiyou 2.6 road mi from Lafayette Point on USFS road 39N04 off Black Bear Road between Sawyers Bar and 1707 Comment
  HSC4479  Ceanothus velutinus William J. Ferlatte 1966-6-23 148 Siskiyou Big Flat, near public camp 1524 Comment
  OBI10323  Ceanothus velutinus H. E. McMinn 1931-6-27 2519 Siskiyou Shasta City Comment
  SD76170  Ceanothus velutinus Helen V. Witham 1969-10-9 594 a Siskiyou lower slopes of Mt. Shasta 1500 Comment
  UC163728  Ceanothus velutinus Geo. D. Butler 1909-6-22 904 Siskiyou foothills Goosenest Mountain; foothills of Goosenest Mountain Comment
  CAS-BOT-BC52802  Ceanothus velutinus var. velutinus A. A. Heller 1919-6-20 13252 Siskiyou Metcalf's ranch, northeast base of Mt. Eddy 1158 Comment
  CAS-BOT-BC52810  Ceanothus velutinus var. velutinus Gilbert Muth 1965-7-30 s.n. Siskiyou Marble Valley and Marble Rim Comment
  CAS-BOT-BC52839  Ceanothus velutinus var. velutinus Gilbert Muth 1965-7-30 s.n. Siskiyou Marble Valley and Marble Rim Comment
  HSC36701  Ceanothus velutinus var. velutinus Brent Whitely 1975-7-3 129 Siskiyou 1220 Comment
  HSC69563  Ceanothus velutinus var. velutinus Maralyn A. Renner 1980-8-6 2282 Siskiyou Along trail, 0.5 mi. SE of Cyclone Gap. 1585 Comment
  CAS-BOT-BC281967  Centaurea benedicta Dorothy Parker 1950-6-19 458 Siskiyou Near Scott River, Scott Valley (Horn Ranch) 850 Comment
  CHSC3220  Centaurea cyanus Gerry Carrauthers 1966-5-14 165 Siskiyou 4 mi. N.W. of Callahan. Comment
  HSC67031  Centaurea cyanus J. P. Smith, Steve Selva 1970-6-16 4080 Siskiyou Idlewild Campground 808 Comment
  CDA36763  Centaurea diffusa D. B. Joley 1976-5-13 7 Siskiyou Lake Siskiyou. 0 Comment
  CDA7264  Centaurea maculosa T. C. Fuller 1963-8-26 11155 Siskiyou W. H. Kerr, Flying K Ranch, upper Quartz Valley, 2 miles south of Mugginsville. 0 Comment
  UCD130116  Centaurea stoebe subsp. micranthos T. C. Fuller 1963-8-26 11155 Siskiyou W. H. Kerr, Flying K Ranch, upper Quartz Valley, 2 miles south of Mugginsville. Comment
  JEPS25882  Centaurium muehlenbergii Rimo Bacigalupi with L. Constance and L. Heckard 1960-7-21 7481 Siskiyou 4 mi above Oak Bottom guard station (or 5 mi above and se of Somes Bar, in gorge of Salmon River); Salmon River 274 Comment
  UC189123  Centaurium muehlenbergii Edward Lee Greene Jul 1876 Siskiyou Yreka Comment
  POM130333  Centaurium muehlenbergii E. B. Copeland 1903-7-14 3513 Siskiyou Klamathon. Comment
  SEINET7379753 Image available Centromadia pungens G. D. Butler 1910-8-18 1840 Siskiyou Shasta Valley Comment
  HSC30469  Cephalanthera austiniae Frederick W. Oettinger 1969-8-25 1549 Siskiyou Little N Fork Trail, Salmon Mountains 2012 Comment
  SJSU6517  Cephalanthera austiniae R. W. Trivelpiece 1972-7-11 144 Siskiyou near Elk Creek Divide NW of Boulder Peak c. 10 mi W of Happy Camp 1402 Comment
  CAS-BOT-BC384987  Cerastium dichotomum T. C. Fuller 1962-5-18 8475 Siskiyou B. M. Long prop., Little Shasta Rd., 5 mi. e. of Montague Comment
  HSC504  Cerastium fontanum subsp. vulgare William J. Ferlatte 1967-6-27 529 Siskiyou Big Flat, between campground and S Fork of the Salmon River 1524 Comment
  CAS-BOT-BC135448  Cercocarpus betuloides var. betuloides Alice Eastwood; John Thomas Howell 1934-4-20 1746 Siskiyou Near Yreka on Ft. Jones Road Comment
  UC1034587  Cercocarpus betuloides var. macrourus Milo S. Baker and Douglas Barbe 1955-7-1 81 Siskiyou 2.1 mi n of Callahan (at the mouth of Limekiln Gulch); Klamath Mountains, Limekiln Gulch 975 Comment
  HSC68509  Cercocarpus ledifolius Maralyn A. Renner 1980-6-9 840 Siskiyou Ridge SE of FS Rd. 45N35 1341 Comment
  CAS-BOT-BC148526  Cercocarpus ledifolius var. ledifolius Alice Eastwood 1912-8-30 1995 Siskiyou Mount Eddy Comment
  CAS-BOT-BC148532  Cercocarpus ledifolius var. ledifolius Dr. E. B. Copeland 1903-7-6 3562 Siskiyou Hornbrook Comment
  JEPS50483  Chaenactis douglasii var. douglasii Al Hobart 1967-7-1 Siskiyou above Youngs Valley; Siskiyou Mountains, westermost Siskiyou County 1584 Comment
  JEPS69747  Chaenactis douglasii var. douglasii W. B. and V. G. Cooke 1972-6-30 45408 Siskiyou above Andesite crossing Military Pass Road; Mt. Shasta 1524 Comment
  CAS-BOT-BC276763  Chaenactis douglasii var. douglasii Elmer I. Applegate 1935-1-1 3867 Siskiyou Top of Redshale Mountain, E of Medicine Lake 2438 Comment
  CAS-BOT-BC106034  Chaenactis suffrutescens R. C. Barneby 1954-5-16 11521 Siskiyou Scott R. 10 1/2 miles below Fort Jones 1005 Comment
  JEPS125888  Chaenactis suffrutescens Dean W. Taylor 1996-6-18 15695 Siskiyou Shasta Trinity National Forest; Scott Mountains, bordering Shasta Valley, hillslopes about 4 miles S of Gazelle; about 350 m upslope from the Yreka Ditch. Comment
  UC229957  Chaenactis suffrutescens H. E. Brown Jun 11 1897-Jun 16 1897 411 Siskiyou n side Mt. Shasta 1524 Comment
  RSA23949  Chamaebatiaria millefolium O. V. Matthews 1939-7-13 35 Siskiyou NW slope of Goose Nest, E of Yreka. 1524 Comment
  RSA23630  Chamaecyparis nootkatensis O. V. Matthews 1939-6-7 12 Siskiyou NE slope of Mt. Emily, above Frog Pond, 2 mi. south of Oregon-California line 1524 Comment
  CDA41127  Chamaesaracha nana T. C. Fuller 1962-6-12 8967 Siskiyou East side of Davis Road to Medicine Lake, 0.2 mile south of road to Dorris, ca. 16 miles east of MacDoel. 0 Comment
  UCD126574  Chamaesaracha nana T. C. Fuller 1962-6-12 8967 Siskiyou east side of Davis Road to Medicine Lake, 0.2 mile south of road to Dorris, ca. 16 miles east of Macdoel. Comment
  UC618797  Chamerion angustifolium subsp. circumvagum W. Bridge Cooke 1938-7-22 11329 Siskiyou Sisson Southern Trail Mount Shasta Comment
  UC1483406  Cheilanthes gracillima John Palmer 1980-7-24 663 Siskiyou Dillon Divide; Klamath Nat'l Forest, Dillon Mt Quadrangle 1706 Comment
  RSA760928  Cheilanthes gracillima R. F. Thorne, Frederick W. Oettinger 1969-8-4 63382 Siskiyou Klamath National Forest, Salmon Mountains, Marble Mountain Wilderness Area, high lake basins in the vicinity of English Peak 1768 Comment
  UCSB51233  Cheilanthes gracillima Almanza, Ed 1976-7-14 Siskiyou Castle Crags, Trinity Mountains 2438 Comment
  RSA624458  Chenopodium atrovirens L. C. Wheeler 1935-7-26 3709 Siskiyou Siskiyou mountains: Jaynes Canyon 1951 Comment
  SEINET5764003 Image available Chenopodium berlandieri A. A. Heller 1915-1 12212 Siskiyou Metcalf's ranch, northeast base of Mount Eddy 1189 Comment
  JEPS59737  Chenopodium botrys Willis L. Jepson 1894-8-9 14859 Siskiyou near Shasta Sprs.; Region of the Upper Sacramento, Horseshoe Bend Comment
  JEPS75210  Chenopodium botrys W. B. and V. G. Cooke 1975-9-3 50487 Siskiyou Ash Creek Area Mt. Shasta (at Military Pass Rd.) Comment
  HSC67493  Chimaphila menziesii J. P. Smith, Steve Selva 1970-6-15 3933 Siskiyou Between Forks of Salmon and Cecilville. Comment
  CAS-BOT-BC452280  Chimaphila umbellata Doris K. Kildale 1928-8-18 6449 Siskiyou Near head of North Fork of Salmon River at Finley's Upper Camp Comment
  UC1185281  Chimaphila umbellata H. E. Brown Jul 1 1897-Jul 15 1897 Siskiyou s. side Mt. Shasta 1524 Comment
  UC1483423  Chimaphila umbellata John Palmer 1980-8-15 1007 Siskiyou n.e. Seiad Low Gap (on spur of F.S. Rd. 46N50); Klamath Nat'l Forest, Seiad Valley Quad. 1463 Comment
  CAS-BOT-BC252661  Chorizanthe membranacea Louis C. Wheeler 1934-6-9 2665 Siskiyou Klamath River between Dutch Creek adn Deadman Gulch, Siskiyoui Mts. 670 Comment
  CAS-BOT-BC36377  Chrysolepis chrysophylla Marion Ownbey; Fred G. Meyer 1940-7-8 2222 Siskiyou Dry hillside along Indian Creek, 11 miles above Happy Camp. Comment
  CAS-BOT-BC36390  Chrysolepis chrysophylla Marion Ownbey; Fred G. Meyer 1940-7-8 2222 Siskiyou Dry hillside along Indian Creek, 11 miles above Happy Camp Comment
  UC705917  Chrysolepis chrysophylla Marion Ownbey, Fred G. Meyer 1940-7-7 2213 Siskiyou Cayenne Ridge; Marble Mountain Comment
  CAS-BOT-BC36234  Chrysolepis sempervirens Alice Eastwood 1922-10-18 11542 Siskiyou Shasta Springs Comment
  CAS-BOT-BC36243  Chrysolepis sempervirens Roxana S. Ferris; Laura Lorraine 1941-8-11 10508 Siskiyou About 7 miles from Medicine Lake on road to Modoc Lave Beds National Monument, Shasta National Forest Comment
  HSC26564  Chrysolepis sempervirens J. P. Smith, J. O. Sawyer 1972-8-20 5756 Siskiyou Slope of Mt. Hoffman 2134 Comment
  HSC33958  Chrysolepis sempervirens J. P. Smith 1974-5-25 7429 Siskiyou Near junction of Rd. 8 with French Creek Rd. 1280 Comment
  UC5451  Chrysolepis sempervirens W. H. Brewer 1862-9-16 1420 Siskiyou Mount Shasta 914 Comment
  SEINET7450592 Image available Chrysopsis oregona G. D. Butler 1910-7-16 1790 Siskiyou Oro Fino Comment
  CAS-BOT-BC100853  Chrysothamnus viscidiflorus subsp. viscidiflorus Delzie Demaree 1959-7-26 41333 Siskiyou on large shelves above Tule Lake 1219 Comment
  RSA78945  Chrysothamnus viscidiflorus subsp. viscidiflorus E. K. Balls, Percy C. Everett 1952-10-12 18172 Siskiyou 1.8 miles south of turn off to Medicine Lake, on road from Indian Well Ranger Station, Modoc Lava Beds National Monument. 1372 Comment
  UC894871  Chrysothamnus viscidiflorus subsp. viscidiflorus W. Bridge Cooke 1941-8-22 16205 Siskiyou above Hotlum Station (in the Lava Park, n side of Mt. Shasta); Mt. Shasta, Lava Park 1676 Comment
  RSA603491  Cichorium intybus L. C. Wheeler 1935-6-27 3614 Siskiyou Greenview, Scott Valley. 884 Comment
  RSA183464  Cinna latifolia J. M. Tucker 1963-8-19 3775 Siskiyou Headwaters of Canyon Creek, Marble Mountain Wilderness Area. 1951 Comment
  RSA105485  Circaea alpina subsp. pacifica Douglas Barbe 1955-6-30 61 Siskiyou 1.0 mile NW of Forest Camp, Etna. Along Johnson Creek. 945 Comment
  UC637107  Circaea alpina subsp. pacifica Annetta Carter 1934-8-13 706 Siskiyou Happy Camp (CA) to Waldo (Oregon) rd. (W. Branch Indian Creek); Klamath Nat'l Forest, W. Branch Indian Creek watershed 1463 Comment
  CDA1028  Cirsium andersonii M. R. Pryor 1950-7-26 s.n.-C Siskiyou Hwy 99, 4 mi. N of Gazelle. Comment
  JEPS25880  Cirsium brevistylum Rimo Bacigalupi with L. Constance and L. Heckard 1960-7-21 7478 Siskiyou 0.2 mi w Rogers Creek crossing (along California highway 96, road bank on e side of canyon); Klamath River Canyon 228 Comment
  CDA1178  Cirsium cymosum T. C. Fuller 1962-5-17 8738 Siskiyou Gazelle; 3.5 mi. south on east side of Hwy 99. Comment
  CDA1185  Cirsium cymosum T. C. Fuller 1978-7-5 20245 Siskiyou 17.5 km NE of Montague; N side of Willow Creek Rd., 2.7 km east of York Rd. 0 Comment
  CAS-BOT-BC278037  Cirsium cymosum John Thomas Howell 1952-6-14 28336 Siskiyou Near Yreka Comment
  CAS-BOT-BC288009  Cirsium occidentale var. candidissimum Lester Rowntree 1937-8-5 s.n. Siskiyou Between Callahan and Etna 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
  CDA21700  Cirsium ochrocentrum subsp. ochrocentrum F. D. Horn, T. R. Haig 1979-9-19 Siskiyou Near Macdoel. 0 Comment
  CAS-BOT-BC286462  Cirsium scariosum T. C. Fuller 1959-7-9 2738 Siskiyou Hwy 99, 2 miles south of Gazelle Comment
  CAS-BOT-BC228970  Cistanthe umbellata Doris K. Kildale 1929-7-20 8594 Siskiyou East spur of Preston Peak above Rockefeller Lake 1981 Comment
  UCR93350  Clarkia 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
  SJSU11000  Clarkia lassenensis J. W. Tilden 1958-6-26 1271 Siskiyou near Monument Hedquarters, Lava Beds National Monument Comment
  CAS-BOT-BC163460  Clarkia purpurea subsp. quadrivulnera Rodney Gregg 1948-6-15 s.n. Siskiyou Near reservoir, Yreka Comment
  UC164325  Clarkia purpurea subsp. quadrivulnera Geo. D. Butler 1940-5-21 1375 Siskiyou Klamath Hills Comment
  CAS-BOT-BC164974  Clarkia rhomboidea Doris K. Kildale 1930-6-1 9707 Siskiyou Salmon River between Somes Bar and Forks of Salmon 365 Comment
  HSC16270  Clarkia rhomboidea R. C. Wunner 1965-6-29 296 Siskiyou Lava Beds N. M., 0.25 mi. NW of Lower Caldwell Ice Cave 1433 Comment
  POM259226  Clarkia rhomboidea W. Bridge Cooke 1940-7-12 15339 Siskiyou Mount Shasta: Near MacBride Springs along the Memorial Highway. 1524 Comment
  SEINET10492520  Clarkia rhomboidea Whipple 1978-6-5 WHIPPLE 2342 Siskiyou Weston Gulch in Scott Valley. T42N, R8W, sec 19, M.D.M. Oak-Pine woodland including Pinus ponderosa, Quercus garryana, and Quercus kelloggii. Elevation 2800-3000 feet. 855 Comment
  HSC58961  Claytonia cordifolia Gilbert Muth 1976-7-28 5195 Siskiyou Near Kuntz Creek, close to the town of Seiad Valley 1830 Comment
  CAS-BOT-BC439142  Claytonia exigua subsp. exigua Dorothy Parker 1947-3-30 s.n. Siskiyou Hartstrand Gulch, east side of Scott Valley 822 Comment
  HSC27336  Claytonia lanceolata J. P. Smith, J. O. Sawyer, Maralyn O'Meara 1972-7-3 5708 Siskiyou E slope of Kangaroo Mtn., above Toehead Lake. 1890 Comment
Read comments
Sep 23 2019
  RSA101989  Claytonia rubra Geo. D. Butler 1910-5-5 1289 Siskiyou [Huckleberry] Mountain. 1220 Comment
  RSA238295  Claytonia rubra Frederick W. Oettinger 1969-7-29 1105 Siskiyou Uncle s Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1860 Comment
  CDA23959  Claytonia rubra subsp. depressa T. C. Fuller 1970-5-27 19587 Siskiyou Interstate 5 at truck inspection station, Dunsmuir Grade, 4 miles north of Dunsmuir. 0 Comment
  HSC44929  Claytonia rubra subsp. rubra J. O. Sawyer 1978-6-19 3254 Siskiyou Marble Mtn. Wilderness Area, trail between Timothy Gulch and Harry Hall Gulch 1433 Comment
  UC618649  Claytonia rubra subsp. rubra unknown 1938-6-24 11063 Siskiyou MacBride Springs; Mount Shasta Comment
  CAS-BOT-BC443821  Claytonia rubra subsp. rubra A. A. Heller 1919-6-30 13286 Siskiyou Near Durney's mill, north base of Mt. Eddy Comment
  HSC29462  Claytonia rubra subsp. rubra Frederick W. Oettinger, R. F. Thorne 1969-8-6 1253 Siskiyou Marble Mtn. Wilderness Area, Pine Lake Basin 1829 Comment
  SEINET5336423  Claytonia rubra subsp. rubra G. Butler 1910-5-5 1289 Siskiyou Humbug Mountain 1219 Comment
  SEINET198900  Claytonia saxosa D. Parker 1947-3-30 Siskiyou Hartstrand Gulch E side of Scott Valley 866 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
  HSC96796  Clinopodium douglasii S. Lyon 2006-6-29 8 Siskiyou E side of Eddy gulch Rd., 3.3 mi. S of intersection with Sawyers Bar Rd. 915 Comment
  UC1409327  Clintonia uniflora Frederick W. Oettinger 1969-8-7 1277 Siskiyou se end of English Lake, in the vicinity of English Peak, Salmon Mountains, Marble Mountain Wilderness Area English Lake; Salmon Mountains, Marble Mountain Wilderness Area, English L 1767 Comment
  CAS-BOT-BC500966  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
  JEPS86076  Collinsia linearis Wayne Roderick 1966-6-26 Siskiyou w of Copper Butte (e along trail to Copper Butte); Cook and Green Pass area Comment
  SBBG106808  Collinsia linearis R. Olmstead 1983-7-11 468 Siskiyou Etna summit, ca. 20 mi W of Etna; T41N, R10W, S15 1792 Comment
  CDA41377  Collinsia parviflora G. D. Barbe, J. T. Howell, T. C. Fuller 1980-4-29 2600 Siskiyou 3 km east of Forest Mountain summit, Highway 3, southwest of Yreka. Comment
  OBI9622  Collinsia parviflora J. Applegarth 1970-4-11 s.n. Siskiyou 914 Comment
  SEINET13406250  Collinsia rattanii L. C. Wheeler 1934-6-12 2692 Siskiyou Siskiyou Mountains, Hungry Creek Lookout. 1463 Comment
  UC164472  Collinsia rattanii Geo. D. Butler 1910-4-16 1188 Siskiyou Klamath Bluffs near Yreka; Klamath Bluffs Comment
  UC879755  Collomia grandiflora A. A. Heller 1916-6-23 12436 Siskiyou near Black Butte (n of Sisson) 1127 Comment
  CAS-BOT-BC94906  Collomia grandiflora R. C. Wenk 2005-7-15 225 Siskiyou Trinity Alps, above South Fork of Salmon River, along Yellow Rose Mine Trail, N along ridge toward Preacher's Peak 2133 Comment
  UCD118161  Collomia grandiflora J. M. Tucker 1948-8-2 1752 Siskiyou In the outskirts of McCloud. Comment
  UCSB24733  Collomia grandiflora Keefe, Joseph 1967-7-10 Siskiyou Indian Creek Road, 8 miles north of Happy Camp; Siskiyou Mts. 487 Comment
  JEPS101160  Collomia tinctoria Dean W. Taylor 1996-6-18 15705 Siskiyou Scott Mountains; bordering Shasta Valley, hillslopes about 4 miles south of Gazelle; Shasta-Trinity National Forests 1524 Comment
  UC1409299  Collomia tinctoria Frederick W. Oettinger 1969-8-12 1349 Siskiyou side of English Lake Trail above Willow Spring (high lake basins in vicinity of English Peak); Salmon Mountains, Marble Mountain Wilderness Area Comment
  CAS-BOT-BC230679  Collomia tracyi Clarence R. Quick 1958-6-17 58 -28 Siskiyou Near Black Bear Summit S of Sawyer's Bar on ridge road to Cecilville 1356 Comment
  RSA240080  Collomia tracyi Frederick W. Oettinger 1969-8-12 1337 Siskiyou Along Main, North Fork Trail, between Yellow Dog Creek and Abbott's Lower Cabin. Salmon Mtns. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. Comment
  UC902031  Collomia tracyi Joseph P. Tracy 1949-9-18 18558 Siskiyou on road between Cecilville and Sawyer's Bar; Blue Ridge 1584 Comment
  CAS-BOT-BC286041  Conyza canadensis L. E. Smith 1913-8-12 519 Siskiyou McCloud Comment
  HSC46112  Corallorhiza maculata J. P. Smith, Steve Selva 1970-6-16 3989 Siskiyou 6 mi. from Hwy. 3 on Rd. 8 to Sugar Creek. 1280 Comment
  RSA237632  Corallorhiza maculata Frederick W. Oettinger 1969-7-28 1090 Siskiyou Steep west-southwest slope north-northeast of Pine Lake. The Salmon Mountains; high lake basins in the vicinity of English Peak, Marble Mountain Wilderness Area 2073 Comment
  HSC19040  Corallorhiza mertensiana J. O. Sawyer 1969-7-18 1387 Siskiyou Near South Russian Creek 1890 Comment
  HSC77013  Corallorhiza striata K. T. Stillman 1976-6-24 38 Siskiyou Marble Mountain Wilderness Area, trail from Lovers Camp to Marble Valley 1463 Comment
  CHSC105585  Cordylanthus tenuis subsp. tenuis Barbara L. Wilson; Richard E. Brainerd 2010-8-9 16291 b Siskiyou Shasta-Trinity National Forest, on Stewart Springs Road (Forest Service Road 17) 5.3 miles from the Gazelle Road. Lat. and Long. indicated +/- 30 feet. 1304 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
  HSC74909  Cordylanthus tenuis subsp. viscidus J. P. Smith 1978-7-1 9957 Siskiyou Klamath National Forest, Baker Cypress Grove 854 Comment
  JEPS86235  Cordylanthus tenuis subsp. viscidus L. R. Heckard 1979-8-28 5160 Siskiyou 1 mi s of downtown Dunsmuir (below Hwy 5) 822 Comment
  UC144139  Cordylanthus tenuis subsp. viscidus Geo. D. Butler 1908-8-11 25 Siskiyou near Shackelford Creek; Quartz Valley Comment
  HSC77490  Cordylanthus tenuis subsp. viscidus L. P. Janeway 1983-8-3 483 Siskiyou Near W Branch USFS Station 671 Comment
  HSC65078  Cornus glabrata J. P. Smith, Steve Selva 1970-6-15 3937 Siskiyou Road between Forks of Salmon and Cecilville. 579 Comment
  UC166602  Cornus glabrata Geo. D. Butler 1909-7-7 803 Siskiyou along creek near Yreka Comment
  SEINET3161704  Cornus pubescens G. D. Butler 1910-6-4 1490 Siskiyou Shackleford Creek Comment
  CAS-BOT-BC210389  Cornus sericea Annie M. Alexander; Louise Kellogg 1948-9-6 5586 Siskiyou Siskiyou Mountains. At Matthews Creek, South Fork Salmon River Comment
  CAS-BOT-BC210426  Cornus sericea D. E. Breedlove 1962-6-10 3299 Siskiyou Along Indian Creek Road, 16.2 miles northwest of Happy Camp; Siskiyou Mountains 1066 Comment
  JEPS24620  Cornus sericea subsp. sericea Rimo Bacigalupi with Drs. Reino and Aloha Alava 1958-8-31 6773 Siskiyou directly opposite Mossbrae Falls between Shasta Retreat and Shasta Springs (on bank of Sacramento R.); Sacramento R. 731 Comment
  JEPS50179  Cornus sericea subsp. sericea Geo. D. Butler 1908-8-7 84 Siskiyou border of lake at head of Wooly Creek 1676 Comment
  JEPS94790  Cornus sericea subsp. sericea Vernon H. Oswald and Lowell Ahart 1998-8-3 9457 Siskiyou Kangaroo Lake Road(USFS 41N08) 2.6 mi se of Gazelle-Callahan Road; Kangaroo Lake Road 1426 Comment
  UC336460  Cornus sericea subsp. sericea J. G. Lemmon 1889-6-26 Siskiyou Edgewood Comment
  UC933381  Cornus sericea subsp. sericea Annie M. Alexander and Louise Kellogg 1948-9-6 5586 Siskiyou S. Fork Salmon R. at Matthews Creek; Siskiyou Mts., S. Fork Salmon R., Matthews Creek Comment
  JEPS78178  Corylus californica Gary W. Zamzow 1972-7-20 93 Siskiyou 7 mi e of McCloud (on Highway 89, Fowlers Campground, on e-facing bank of McCloud River); McCloud River, Fowlers Campground, Highway 89 1066 Comment
  UC1040689  Corylus californica Beecher Crampton 1956-8-21 3848 Siskiyou canyon of the Sacramento River just above the north fork junction with south and middle forks 1066 Comment
  UC164271  Corylus californica Geo. D. Butler 1910-4-1 1150 Siskiyou Humbug Mountain Comment
  CAS-BOT-BC180196  Corylus cornuta subsp. californica J. H. Thomas; H. A. Thomas 1954-7-22 4451 Siskiyou Along banks of Bog Bend creek. Salmon - Trinity Mts. About 6 mi SE of Cecilville. Between Rush and Big Bend Creeks, 0.25-0.5 mi N of S Fork of Salmon River 975 Comment
  HSC60816  Crepis acuminata Ruby Van Deventer 1960-7-7 Siskiyou Bell Echo Camp in Youngs Valley Comment
  CAS-BOT-BC310333  Crepis occidentalis subsp. conjuncta R. C. Wenk 2005-7-19 333 Siskiyou Along Pacific Crest Trail, near top of pass below Mt. Eddy 2438 Comment
  HSC92423  Crepis occidentalis subsp. pumila Jennifer Whipple 1977-7-20 1991 Siskiyou N slopes of Mount Eddy 2500 Comment
  CAS-BOT-BC290876  Crepis pleurocarpa John Thomas Howell 1937-7-29 13646 Siskiyou Scott Mt. between Trinity and Siskiyou cos. Comment
  CAS-BOT-BC376576  Crepis pleurocarpa A. A. Heller 1915-7-16 12104 Siskiyou North side of Mt. Eddy 1371 Comment
  CDA4439  Crepis pleurocarpa Agricultural Commissioner Aug 1951 Siskiyou Macdoel. 0 Comment
  HSC475  Crepis pleurocarpa William J. Ferlatte 1966-8-4 300 Siskiyou Yellow Rose Mine 1982 Comment
  JEPS16944  Crepis pleurocarpa Peter H. Raven 1956-9-4 10396 Siskiyou pass just s Mount Eddy 2438 Comment
  SEINET7838868 Image available Crepis pleurocarpa H. M. Hall, E. B. Babcock 4024 Siskiyou Upper Sacramento River near Chromite 457 Comment
  SBBG25872  Cryptantha affinis D. Myrick 1966-8-12 1546 Siskiyou Salmon Crk Trail at Mountain Meadow Ranch, Big Flat 1676 Comment
  UC726463  Cryptantha affinis A. A. Heller 1919-6-30 13287 Siskiyou near Durney's Mill Comment
  JEPS67602  Cryptantha flaccida Geo. D. Butler 1909-5-10 734 Siskiyou near Yreka Comment
  UC1042564  Cryptantha flaccida John Thomas Howell 1952-6-14 28342 Siskiyou 9.5 mi from Ft. Jones (on road to Callahan) 853 Comment
  UC79409  Cryptantha flaccida Katharine Brandegee Jul 1887 Siskiyou Ager Comment
  JEPS21126  Cryptantha simulans T. Walker 1938-6-24 Siskiyou MacBride Spr. Mt. Shasta 1524 Comment
  SBBG30587  Cryptantha torreyana D. Myrick 1968-6-25 2017 Siskiyou Mountain Meadow Ranch, Big Flat, head of Coffee Crk, Trinity Alps 1524 Comment
  UC1212566  Cryptantha torreyana Francia Chisaki and Helen Sharsmith 1959-8-20 4732 Siskiyou divide between Scott River and East Fork of Salmon River; Inner North Coast Ranges, Carrigher Summit 1981 Comment
  HSC1020  Cryptogramma acrostichoides Dorothy Parker 1949-7-10 347 Siskiyou Above Paradise Lake, Salmon Mtn. 1982 Comment
  UC185185  Cryptogramma acrostichoides Geo. D. Butler 1755 Siskiyou Shackelford Creek 1371 Comment
  CAS-BOT-BC70535  Cryptogramma cascadensis W. B. C. 1938-8-18 11502 Siskiyou Lower Horse Camp Slopes above Horse Camp 2514 Comment
  CAS-BOT-BC80540  Cupressus bakeri Oliver V. Matthews 1939-7-22 42 Siskiyou unspecified 1219 Comment
  NY16605  Cupressus bakeri C. B. Wolf 1934-10-9 6170 Siskiyou Siskiyou Mountains, above West Fork of Seiad Creek, 0.75 miles above forks of creek 1158.2 Comment
  POM264855  Cupressus bakeri O. V. Matthews 1939-7-18 36 Siskiyou NE Goose Nest Grove; Goose Nest region 1524 Comment
Read comments
Oct 13 2013
  RSA17602  Cupressus bakeri C. B. Wolf 1934-7-8 6166 Siskiyou 1 mile NE of Timbered Butte, Modoc Lava beds on Old Stage Road from Dana Little Hot Springs Valley Comment
  RSA22774  Cupressus bakeri O. V. Matthews 1939-7-3 19 Siskiyou Southwest of Sullivan Mine. Cook-Green Region, 3 miles south of Blue Ledge Mine 1220 Comment
  RSA256700  Cupressus bakeri J. P. Smith 1973-5-5 s.n. Siskiyou Trail to the Siskiyou cypress stand off the Cook and Green Pass road. Comment
  UC1321451  Cupressus bakeri C. O. Stone 1964-6-6 287 Siskiyou approximately 100 yds n Quarry in section 25 (plot 52-54-1); Fall River Mills Quad 1109 Comment
  SEINET10531421 Image available Cupressus bakeri Carl B. Wolf, E. R. Johnson 1934-10-9 Wolf 2130 Siskiyou Siskiyou Mts. above W. Fork of Seiad Creek, 3/4 mi above forks of creek. Arid transition:- Yellow Pines, Douglas Firs. Sun. S slope in red rock/ 1160 Comment
  CAS-BOT-BC224418  Cuscuta californica Copeland 1903-7-6 3498 Siskiyou Hornbrook Comment
  UCR243141  Cuscuta campestris Rob Wilson 2010-9-8 s.n. Siskiyou Near Tulelake 1232 Comment
  RSA602930  Cuscuta occidentalis L. C. Wheeler 1958-8-21 7417 Siskiyou Siskiyou Mountains. Lily Pad Lake. Comment
  HSC45202  Cycladenia humilis J. Sawyer, E. Cope 1977-6-21 2977 Siskiyou Near Prescott Peak. 1677 Comment
  UC618627  Cycladenia humilis var. humilis W. Bridge Cooke 1938-9-17 11704 Siskiyou ridge along canyon below/directly w. of Horse Camp (Mt. Shasta); Mt. Shasta Comment
  CDA5638  Cynoglossum officinale T. C. Fuller 1967-8-14 16259 Siskiyou Road to McCloud Reservoir, 3 miles south of McCloud. 0 Comment
  UC183884  Cyperus erythrorhizos Geo. D. Butler 1909-9-5 868 Siskiyou along creek near Yreka Comment
  JEPS93885  Cyperus squarrosus Vernon H. Oswald and Lowell Ahart 1998-7-21 9338 Siskiyou 9 air mi e of Grass Lake (22 air mi ne of Weed, Dry Lake on the s side of Tennant Road); Dry Lake, Tennant Road 1402 Comment
  UC637068  Cyperus squarrosus Edward Lee 1934-8-11 1026 Siskiyou e. end Seiad Valley (Walker Creek); , Walker Creek (tributary of Klamath R.) 457 Comment
  CHSC2336  Cypripedium californicum V. Holt 1932-6-20 Siskiyou Mt. Eddy. ... Field redacted by CHSC, contact the data manager for more information 2133 Comment
  RSA264952  Cypripedium californicum G. L. Clifton 1975-7-28 9828 Siskiyou Near Siskiyou Mountains, near Seiad Valley; (Seiad Valley quad) 1634 Comment
  CAS-BOT-BC133734  Cypripedium californicum A. A. Heller 1919-6-29 13282 Siskiyou Field redacted by CAS, contact the data manager for more information Comment
  CHSC2338  Cypripedium fasciculatum M. Yoder 1932-6-20 Siskiyou Castle Lake. ... Field redacted by CHSC, contact the data manager for more information 1981 Comment
  HSC44890  Cypripedium fasciculatum Maralyn O'Meara 1974-5-25 408 Siskiyou Near junction of Rd. 8 and French Creek Rd. 1280 Comment
  HSC92572  Cystopteris fragilis Jennifer Whipple 1976-7-23 1519 Siskiyou Dale Cr. drainage, N face of Mt. Eddy 2317 Comment
  CAS-BOT-BC189809  Dactylis glomerata Melissa A. Berry 1957-7-1 s.n. Siskiyou Highway 97 near Hebron Summit. 1524 Comment
  CAS-BOT-BC189894  Danthonia californica Philip A. Munz 1952-6-26 17794 Siskiyou Siskiyou Mountains. Humboldt Flat, south of Adams Station. 762 Comment
  RSA239126  Danthonia intermedia Frederick W. Oettinger, Robert F. Thorne 1969-8-4 1173 Siskiyou Tobacco Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1890 Comment
  HSC19072  Danthonia intermedia subsp. intermedia J. O. Sawyer 1969-8-4 1797 Siskiyou Above Sugar Lake 2134 Comment
  RSA422668  Darlingtonia californica Christopher Davidson 1975-6-5 2676 Siskiyou 3.3 miles from gate on special service road branching to SE of road from Gazelle to Callahan 9.3 miles W of Gazelle; Klamath Nat'l Forest. 1623 Comment
  UC34981  Darlingtonia californica M. A. Howe 1894-8-9 Siskiyou Shasta Springs Comment
  CAS-BOT-BC420669  Darmera peltata A. A. Heller 1905-6-1 7922 Siskiyou Between Dunsmuir and Upper Soda Spring Comment
  HSC30498  Darmera peltata Frederick W. Oettinger 1969-8-29 1561 Siskiyou Between 4th and 5th river crossing, Main N Fork Trail, Salmon Mtns. Comment
  CAS-BOT-BC141838  Dasiphora fruticosa Alice Eastwood 1912-8-30 2025 Siskiyou Summit, Mount Eddy Comment
  HSC64753  Dasiphora fruticosa J. P. Smith, Steve Selva 1970-7-17 4451 Siskiyou Below Kangaroo Lake. 1890 Comment
  RSA239008  Datisca glomerata Frederick W. Oettinger 1966-7-25 39 Siskiyou Along Black Gulch Road roadside; Salmon River District; Klamath N.F.; Cecilville. Comment
  CAS-BOT-BC9050  Delphinium decorum subsp. tracyi Philip Alexander Munz 1952-7-2 17901 Siskiyou Baldy Mountain ca. 6 air-line miles west of Happy Camp, Siskiyou Mountains 1737 Comment
  RSA120765  Delphinium depauperatum S. S. Tillett 1956-7-9 632 Siskiyou Scott Mtn, Siskiyou Trinity County line, 8 miles SE of Callahan. 2073 Comment
  HSC28666  Delphinium depauperatum Frederick W. Oettinger 1969-7-18 1054 Siskiyou Marble Mtn. Wilderness Area, SW of Upper English Lake 1951 Comment
  CHSC1444  Delphinium glaucum V. Holt 1943-8-1 Siskiyou Marble mountains. 1828 Comment
  UC609323  Delphinium glaucum Eleanor B. Hart 1938-8-16 Siskiyou moist meadow at n end Lower Wright Lake 2072 Comment
  HSC61772  Delphinium glaucum Ruby Van Deventer 1960-7-14 Siskiyou Poker Flat 1585 Comment
  HSC28664  Delphinium nuttallianum Frederick W. Oettinger 1969-7-18 1054 Siskiyou Marble Mtn. Wilderness Area, SW of Upper English Lake 1951 Comment
  SBBG2171  Delphinium nuttallianum H. and M. Dearing 1939-6-5 3549 Siskiyou 2 mi N of McCloud 1066 Comment
  UC618686  Delphinium nuttallianum W. Bridge Cooke 1938-7-1 11156 Siskiyou near Wagon Camp (lower end of the Wagon Camp meadow along stream and road side); Mt. Shasta Comment
  RSA49961  Delphinium nuttallianum E. K. Balls 1949-7-8 13899 Siskiyou Trail to Carmen Lake from Scott Mountain Camp, Scott Mt. 1707 Comment
  CAS-BOT-BC520387  Deschampsia cespitosa subsp. cespitosa Dana York 2011-9-9 3098 Siskiyou Klamath National Forest, a few meters inside Marble Mountain Wilderness at Isinglass Lake 1985 Comment
  CAS-BOT-BC201638  Deschampsia danthonioides A. A. Heller 1915-7-18 12120 Siskiyou Metcalf's ranch, base of Mt. Eddy Comment
  RSA582089  Deschampsia danthonioides L. C. Wheeler 1934-6-10 2674 Siskiyou Hungry Creek; Siskiyou Mts. 1098 Comment
  CAS-BOT-BC201938  Deschampsia elongata H. A. Thomas; J. H. Thomas 1954-7-24 4513 A Siskiyou Salmon - Trinity Mts. Vicinity of Rush Lake and Rush Creek Meadow. About 9 miles E of Cecilville 1981 Comment
  HSC39669  Deschampsia elongata J. P. Smith, J. O. Sawyer, Maralyn O'Meara 1972-7-4 5731 Siskiyou Roadside, 1.4 mi. S of Sugar Creek on Parrott Mill Road 1341 Comment
  JEPS80523  Deschampsia elongata Gilbert Muth 1966-7-18 415 Siskiyou meadow above Marble Valley (Marble Gap Trail); Marble Mt. Wilderness Area, Marble Gap Trail 1828 Comment
  POM207176  Deschampsia elongata E. B. Copeland 1903-8-19 3912 Siskiyou Mt. Eddy; On a creek bank 1372 Comment
  RSA126058  Deschampsia elongata I. L. Wiggins 1955-7-22 13449 Siskiyou Gravel bar in S Fork of Salmon R, 9.5 mi. above Cecilville 1067 Comment
  UC204770  Deschampsia elongata Geo. D. Butler 1910-7-13 1769 Siskiyou Shackleford Creek 1219 Comment
  UCD63529  Deschampsia elongata Rimo Bacigalupi; Mr. and Mrs. Van Deventer of Fort Dick 1959-7-10 7298 Siskiyou Twin Valley, Siskiyou Mts., just east of Del Norte County line, about 4 miles NNE of Preston Peak; watershed of Indian Creek. 1493 Comment
  RSA59808  Descurainia pinnata subsp. filipes E. K. Balls 1950-5-17 14722 Siskiyou New Lava Flow, along road from Schonchin Butte to Capt. Jack s Stronghold, Lava Beds Nat l Monument. 1463 Comment
  CAS-BOT-BC43517  Descurainia sophia A. A. Heller 1916-6-22 12425 Siskiyou Near Sisson. 1074 Comment
  JEPS14815  Descurainia sophia W. L. Kleaver 1919-5-16 1 Siskiyou Comment
  UCD114794  Descurainia sophia Roseman 1913-1 41 Siskiyou Butte Valley. Comment
  POM210949  Dicentra formosa subsp. formosa Louis C. Wheeler 1934-8-2 3013 Siskiyou Head of Jaynes Canyon. Siskiyou Mtns. 2043 Comment
  CAS-BOT-BC47496  Dicentra formosa subsp. oregana A. M. Vollmer; L. Beane 1951-6-2 72 Siskiyou Road between Streamline Lodge & Deer Camp, north of Klamath River Highway Comment
  HSC26101  Dicentra pauciflora J. P. Smith, J. O. Sawyer, Maralyn O'Meara 1972-7-3 5684 Siskiyou E slope of Kangaroo Mtn. above Toehead Lake. 1890 Comment
  HSC59009  Dicentra pauciflora Marvin Butler 1971-7-16 141 Siskiyou Near El Capitan Lake, close to the town of Cave Junction Comment
  SBBG2376  Dicentra pauciflora H. and M. Dearing 1938-6-28 2186 Siskiyou Mt Shasta 1828 Comment
  HSC27651  Dichelostemma ida-maia Carl W. Mize 1972-6-8 12 Siskiyou Along the main trail 328 Comment
  HSC71076  Dichelostemma ida-maia M. A. Baker 1980-6-20 2197 Siskiyou Near Bald Mtn. 1036 Comment
  HSC5958  Dieteria canescens var. canescens R. C. Wunner 1965-8-21 452 Siskiyou California Lava Beds National Monument; on main road at Crescent Butte 1463 Comment
  CAS-BOT-BC291003  Dieteria canescens var. shastensis Alice Eastwood 1912-7-16 1120 Siskiyou McCloud Comment
  CAS-BOT-BC291019  Dieteria canescens var. shastensis L. E. Smith 1915-7-1 s.n. Siskiyou Bray Comment
  CAS-BOT-BC291024  Dieteria canescens var. shastensis Geo. D. Butler 1910-9-11 1869 Siskiyou Weed Comment
  JEPS40709  Dieteria canescens var. shastensis W. L. Jepson 1940-7-1 20082 Siskiyou 6 mi e McCloud (Fowlers Camp); McCloud River 975 Comment
  JEPS44099  Dieteria canescens var. shastensis W. B. and V. G. Cooke 1965-7-12 35191 Siskiyou Bolam Road Mt. Shasta 1524 Comment
  JEPS94395  Dieteria canescens var. shastensis Vernon Oswald and Lowell Ahart 1997-7-28 8778 Siskiyou Forest Route 56 (42N56) 3.7 mi e of Forest Route 49, edge of Burnt Lava Flow Virgin Area at Yellow Jacket Ice Cave Yellow Jacket Ice Cave; Burnt Lava Flow Virgin Area at Yellow Jacket Ice Cave 1755 Comment
  SD112556  Dieteria canescens var. shastensis Darley F. Howe 1969-8-30 4671 Siskiyou 1.3 miles south of Weed on [interstate] 5 1130 Comment
  UC1332426  Dieteria canescens var. shastensis W. Bridge Cooke 1940-7-12 15336 Siskiyou along Memorial Highway; Mount Shasta Comment
  UC572807  Dieteria canescens var. shastensis W. Bridge Cooke 1937-8-6 9172 Siskiyou Mt. Shasta 2133 Comment
  UC991121  Dieteria canescens var. shastensis J. M. Tucker 1950-7-24 1949 Siskiyou 7.5 mi e McCloud (beside Highway 89) Comment
  UCD131222  Dimeresia howellii Dean Wm. Taylor; G. Clifton, R. Stone 1975-8-7 9250 Siskiyou Caldwell Butte, Lava Beds National Monument. 1499 Comment
  CAS-BOT-BC153446  Diplacus layneae D. E. Breedlove 1962-6-11 3361 Siskiyou Along State Highway 89, 8.0 miles east of McCloud; Cascade Range 1127 Comment
  CAS-BOT-BC153732  Diplacus nanus Gilbert J. Muth 1969-8-6 1208 Siskiyou Boulder Peak Comment
  SD53404  Dipsacus fullonum Darley F. Howe 1962-8-5 3260 Siskiyou Bank of Klamouth River, 56.8 mi. E of Happy Camp on Hwy 96 609 Comment
  HSC81528  Dodecatheon jeffreyi Thomas W. Nelson, Jane P. Nelson 1980-7-20 6181 Siskiyou Above and to SE of Big Carmen Lake 1738 Comment
  JEPS74496  Dodecatheon jeffreyi W. J. Ferlatte 1966-6-22 72 Siskiyou Josephine Lake basin Trinity Alps, Josephine Lake basin 1676 Comment
  JEPS84211  Dodecatheon jeffreyi L. R. Heckard with J. Hickman et al. 1986-7-17 6464 Siskiyou ca 5 mi n of the town Seiad Valley (s of Lily Pad Lake, trail up Kangaroo Peak); s of Lily Pad Lake, n of Seiad Valley 2011 Comment
  HSC30792  Dodecatheon jeffreyi Melinda F. Denton 1973-6-30 2939 Siskiyou Klamath National Forest, Young's Valley, 5 mi. S of Sanger Lake at base of El Capitan 1409 Comment
  CHSC71293  Downingia cuspidata Vernon H. Oswald; Lowell Ahart 1998-6-11 9225 Siskiyou Butte Valley National Grassland near the junction of Meiss Lake-Sams Neck Rd. and Hwy. 97 ca. 5 mi north of Macdoel. 1295 Comment
  RSA237373  Draba howellii Frederick W. Oettinger 1968-8-4 385 Siskiyou Along trail north of NE Crapo Peak Ridge. Salmon Mtns. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2195 Comment
  JEPS53534  Draba nemorosa Geo. D. Butler 1909-4-4 575 Siskiyou near Yreka; near Yreka Comment
  JEPS60249  Draperia systyla L. R. Heckard with L. Constance and R. Ornduff 1969-6-25 2315 Siskiyou Near Fall Creek Inn along Gilman Road, between Sacramento and McCloud arms of Shasta Lake 396 Comment
  CAS-BOT-BC159438  Drymocallis glandulosa var. glandulosa Dorothy Parker 1950-6-15 455 Siskiyou Along Kidder Creek 914 Comment
  RSA50232  Drymocallis glandulosa var. glandulosa E. K. Balls 1949-7-9 13940 Siskiyou 8.3 miles from Etna on road to Sawyer's Bar. 1006 Comment
  HSC76877  Drymocallis lactea var. lactea K. T. Stillman 1976-8-8 400 Siskiyou Marble Mountain Wilderness Area. Trail to jump off to Paradise Lake. Comment
  CHSC62597  Dulichium arundinaceum L. P. Janeway 1993-8-30 4569 Siskiyou West side of Cedar Lake; head of South Fork Sacramento River. 1741 Comment
  RSA238953  Eleocharis bella Frederick W. Oettinger 1969-8-15 1387 Siskiyou Inlet of upper English Lake. Salmon Mtns. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1768 Comment
  SEINET5718064 Image available Eleocharis montevidensis Philip E. Hyatt 2002-1 11140 Siskiyou Happy Camp community. Along Klamath River. Collected while departing work on the Stanza Fire (Happy Camp) as a Base Camp Manager. In memory of engine E-11 Lassen NF; John Self, Hether DePaulo, Steve Ousatd. Happy Camp Elementary School Grounds; wet area, sewer smell, downslope form main school building in mown lawn. 41 deg. 47" 37.5" 123 deg. 22" 24.3". [See postcard.]; Klamath River Comment
  UC839227  Eleocharis parishii Louis C. Wheeler 1934-7-17 2913 Siskiyou Cottonwood Creek Siskiyou Mountains 1036 Comment
  RSA577441  Eleocharis parishii L. C. Wheeler 1934-6-3 2628 Siskiyou Cherry Flat, Klamath River; Siskiyou Mts. 518 Comment
  CAS-BOT-BC112233  Eleocharis rostellata W. R. Dudley 1893-6-21 s.n. Siskiyou Peter Klinks Meadow Comment
  POM359941  Elymus elymoides M. B. Dunkle 1945-08 9284 Siskiyou Paradise Lake, rocky ledge. Comment
  UCD61688  Elymus elymoides subsp. californicus A. A. Heller 1920-6-24 13387 Siskiyou Metcalf's ranch, NE base of Mt. Eddy. 1280 Comment
  UC157087  Elymus elymoides subsp. elymoides Dr. E. B. Copeland 1903-7-3 3536 Siskiyou Klamathon Comment
  RSA239025  Elymus glaucus Frederick W. Oettinger 1969-8-16 1391 Siskiyou Edge of talus southwest of Wire Grass Meadow above English Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1677 Comment
  UC166039  Elymus glaucus Geo. D. Butler 1910-7-3 1624 Siskiyou Goosenest foothills; creek bed 1219 Comment
  UC637099  Elymus glaucus Edward Lee 1934-8-14 1119 Siskiyou Little Grayback; w slope, Siskiyou-Del Norte Co. line 1706 Comment
  CAS-BOT-BC206593  Elymus glaucus subsp. glaucus John Thomas Howell 1939-8-9 15212 Siskiyou Sky High Valley, Marble Mts. 1828 Comment
  UC197115  Elymus multisetus Geo. D. Butler 1910-5-26 1412 Siskiyou Yreka Comment
  UCD62708  Elymus trachycaulus A. H. Murphy 1956-8-14 56 C Siskiyou Little Mill Creek Meadow, Klamath N. F. 2011 Comment
  CHSC88404  Elytrigia repens Jenny Marr 1993-7-1 163 Siskiyou Butte Valley Wildlife Area, +/- 7 air miles NW of the town of MacDoel. Meadow NW of Meiss Lake. 1349 Comment
  RSA68920  Epilobium angustifolium var. intermedium A. E. Culbertson 1943-8-1 37 Siskiyou Castle Lake. 14 miles s.w. of Mt. Shasta on n side of a 6600 eastern spur of Trinity Mts.; 2000 above Sacramento R. within 10 air miles at its headwaters to the west. 1657 Comment
  UC164343  Epilobium brachycarpum Geo. D. Butler 1908-8-26 155 Siskiyou roadside near Etna Comment
  POM251091  Epilobium brachycarpum W. Bridge Cooke 1938-7-22 11321 Siskiyou Mt. Shasta. 1372 Comment
  RSA240051  Epilobium brachycarpum Frederick W. Oettinger 1969-8-12 1339 Siskiyou Along Main, North Fork Trail, between Yellow Dog Creek and Abbott s Lower Cabin. Salmon Mtns. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. Comment
  RSA34395  Epilobium brachycarpum W. Bridge Cooke 1947-8-1 17759 Siskiyou Along the Shasta Snowline Highway, Mt. Shasta 1677 Comment
  HSC19499  Epilobium ciliatum subsp. ciliatum J. O. Sawyer 1969-7-23 1165 Siskiyou Near Horse Range Creek 1341 Comment
  JEPS43914  Epilobium ciliatum subsp. ciliatum Geo. D. Butler 1908-8-2 159 Siskiyou first meadow Shackelford Creek 1158 Comment
  RSA8242  Epilobium ciliatum subsp. ciliatum Elmer I. Applegate 1923-8-21 3917 Siskiyou Willow Creek, south of Lower Klamath Lake Comment
  UC1045239  Epilobium ciliatum subsp. glandulosum W. Bridge Cooke 1940-8-5 15409 Siskiyou Wagon Camp Mount Shasta, Onion Creek (along creek) Comment
  HSC92082  Epilobium glaberrimum subsp. fastigiatum Jennifer Whipple 1976-7-4 1467 Siskiyou Wagon Creek drainage near Wagon Creek 2195 Comment
  UCD80891  Epilobium glaberrimum subsp. fastigiatum Robert E. Preston 2001-6-23 1585 Siskiyou Klamath National Forest, N slope of Rainbow Mountain, at Hemlock Lake. 1889 Comment
  HSC69291  Epilobium minutum Maralyn A. Renner 1980-7-24 1946 Siskiyou Pacific Crest Trail above Lily Pad Lake. 1799 Comment
  SEINET6644398 Image available Epilobium minutum A. A. Heller 1905-1 7930 Siskiyou Upper Soda Spring Comment
  CHSC118636  Epilobium minutum Julie Kierstead Nelson; Martin Lenz, Rhonda Posey, Brenna Montagne 2016-6-9 2016 -017 Siskiyou Lower Parks Creek watershed, E Klamath Range, along Forest Service Road 42N19, 3 miles northwest of Stewart Springs. UTM NAD 83 Zone 10, 539249m E, 4586866m N. 1478 Comment
  RSA120896  Epilobium minutum Milo S. Baker 1957-6-16 13157 Siskiyou Trip to Scott Mt. from turn off near Callahan, 5-6 mi. from turn off. Comment
  RSA237397  Epilobium minutum Frederick W. Oettinger 1969-7-11 981 Siskiyou Little Medicine Mountain, north of Hancock Lake. Salmon Mtns. High Lake Basin in the vicinity of English Peak. Marble Mountain Wilderness Area. 2043 Comment
  POM38541  Epilobium paniculatum Geo. D. Butler 1908-8-26 155 Siskiyou Dry land near Etna Comment
  SEINET10815063 Image available Epilobium paniculatum Edward L. Greene 1876-8-28 Greene 1029 Siskiyou Near Etna. Comment
  CAS-BOT-BC171863  Epilobium septentrionale John Thomas Howell 1937-7-29 13639 Siskiyou Scott Mt. between Trinity and Siskiyou counties Comment
  UC873454  Epilobium siskiyouense Alice Eastwood 1912-8-30 1997 Siskiyou Mount Eddy Comment
  HSC73294  Equisetum arvense Gail Newton 1980-6-20 516 Siskiyou Near Bald Mtn. 1097 Comment
  UC371171  Equisetum laevigatum G. D. Butler 1909-6-20 880 Siskiyou Yreka Comment
  RSA603672  Eragrostis hypnoides L. C. Wheeler 1935-7-20 3675 Siskiyou Scott Valley: Scott river 1.5 miles west of Fort Jones. 822 Comment
  UC220632  Eremocarpus setiger H. E. Brown Jul 15 1897-Jul 31 1897 571 Siskiyou Mt. Shasta; s side 1524 Comment
  CAS-BOT-BC174220  Eremogone congesta var. congesta K. T. Stillman 1976-6-25 94 Siskiyou Marble Mountain Wilderness Area. Between Marble Gap & Elk Valley trail Comment
  CAS-BOT-BC174224  Eremogone congesta var. congesta John Thomas Howell 1939-8-2 14916 Siskiyou Spirit Lake, Marble Mts. 1828 Comment
  JEPS19232  Ericameria bloomeri W. L. Jepson 1940-7-3 20098 Siskiyou se Siskiyou County; Bartle 1188 Comment
  UC134298  Ericameria bloomeri Dr. E. B. Copeland 1903-9-8 3922 Siskiyou Igerna 1158 Comment
  CAS-BOT-BC287492  Ericameria greenei Louis C. Wheeler 1934-8-24 3220 Siskiyou Trapper Creek, Siskiyou Mts 1859 Comment
  CHSC67482  Ericameria greenei James D. Jokerst 1992-7-30 3434 Siskiyou Camp above Tamarack Flat, NW of Mt. Eddy. Comment
  RSA236428  Ericameria greenei D. V. Hemphill 1972-8-22 2073 Siskiyou English Peak, Salmon Mts. 2165 Comment
  SD76145  Ericameria nauseosa var. speciosa Helen V. Witham 1969-10-4 452 Siskiyou Black Butte Summit, 4I(c) miles south of Weed. 1000 Comment
  UC618706  Ericameria nauseosa var. speciosa unknown 1938-8-5 11451 Siskiyou near MacBride Springs; Mount Shasta, Diller Canyon 1524 Comment
  CAS-BOT-BC293499  Erigeron aliceae J. M. Tucker; L. K. Mann; S. L. Holloway 1963-8-18 3748 Siskiyou Upper Canyon Creek, ca. 1/2 mile northeast of the Marble Valley Guard Station, Marble Mountain Wilderness Area 1920 Comment
  HSC69028  Erigeron aliceae Maralyn A. Renner 1980-7-28 2185 Siskiyou E spur of Kangaroo Mtn., near ridge 1890 Comment
  POM357568  Erigeron aliceae M. B. Dunkle 1944-08 9298 Siskiyou Marble Mts. 2439 Comment
  CDA4409  Erigeron annuus F. D. Horn 1980-7-2 Siskiyou Indian Creek Road, just above Catholic Church, Happy Camp. 0 Comment
  HSC19425  Erigeron cervinus J. O. Sawyer 1968-7-23 568 Siskiyou Along trail from Brown's Valley to Caribou Basin including areas around Snowslide Lake and Caribou Lake. 1829 Comment
  HSC59903  Erigeron cervinus D. L. Goforth 1979-7-19 262 Siskiyou Caribou Lakes Basin, lakeside at upper lake. 2134 Comment
  RSA126295  Erigeron cervinus I. L. Wiggins 1955-7-27 13518 Siskiyou Caribou Lake, Salmon-Trinity Alps Primitive Area. 2043 Comment
  UC1190272  Erigeron cervinus Ira L. Wiggins 1955-7-27 13518 Siskiyou Caribou Lake Salmon-Trinity Alps Primitive Area, Caribou Lake 2042 Comment
  CAS-BOT-BC297107  Erigeron compositus Wm. Bridge Cooke 1940-7-26 15384 Siskiyou Vicinity of Merriam's timberline on the west side of Shastina, Mount Shasta 2895 Comment
  CAS-BOT-BC297185  Erigeron concinnus var. concinnus Geo. D. Butler 1910-6-3 1471 Siskiyou Quartz Valley Comment
  CAS-BOT-BC300475  Erigeron filifolius W. B. Cooke; V. G. Cooke 1966-7-16 37217 Siskiyou Above Bolam Station, Mt. Shasta 1676 Comment
  HSC19468  Erigeron glacialis var. glacialis J. O. Sawyer 1969-8-4 1860 Siskiyou Slope SW of Sugar Lake 2195 Comment
  JEPS80508  Erigeron glacialis var. hirsutus Gilbert Muth 1966-7-24 446 Siskiyou Marble Mtn Wilderness area Marble Valley 1792 Comment
  PASA1715  Erigeron inornatus Frank W. Peirson 1923-7-20 Siskiyou 2 miles below Whitney Creek on the road to Weed Comment
  HSC2323  Erigeron inornatus var. inornatus Geo. D. Butler 1910-6-17 1570 Siskiyou Humbug Mtn. 1067 Comment
  OBI55433  Erigeron inornatus var. inornatus David J. Keil 1992-7-20 23492 Siskiyou Klamath NF W of Ft. Jones. Along Forest Rd 44N45, 2 mi S of Scott river Rd 100 Comment
  POM56541  Erigeron inornatus var. inornatus E. B. Copeland 1903-7-3 3531 Siskiyou Klamathon. Comment
  RSA238778  Erigeron inornatus var. inornatus Frederick W. Oettinger, R. F. Thorne 1969-8-5 1197 Siskiyou Along the trail above 'Willow Springs' (between Abbotts Upper Cabin and English Lake) 1677 Comment
  JEPS84203  Erigeron klamathensis L. R. Heckard with J. Hickman et al. 1986-7-18 6530 Siskiyou above and s Alex Hole (n of Hwy 96); Buckhorn Campground Comment
  CAS-BOT-BC58400  Erigeron petrophilus R. C. Wenk 2008-8-31 988 Siskiyou South Fork of Salmon River, Yellow Rose Mine above Big Flat Meadow. 1981 Comment
  HSC32257  Erigeron petrophilus var. viscidulus J. O. Sawyer 1970-7-6 2331 Siskiyou 1662 Comment
  JEPS93920  Erigeron petrophilus var. viscidulus Vernon H. Oswald and Lowell Ahart 1998-8-3 9410 Siskiyou Kangaroo Lake Road (USFS 41N08) 3.5 mi se of Gazelle-Callahan Road at its intersection with USFS 41N10 Kangaroo Lake Road 1493 Comment
  RSA0030732  Erigeron petrophilus var. viscidulus L. C. Wheeler 1934-8-14 3140 Siskiyou Siskiyou Mountains: Western end of White Mt. 1768 Comment
  UC1216708  Erigeron philadelphicus var. philadelphicus W. B. and V. G. Cooke 1962-8-19 33551 Siskiyou McBride Springs Mt. Shasta, McBride Springs 1524 Comment
  RSA153440  Erigeron strigosus Francia Chisaki, Helen Sharsmith 1960-8-20 4739 Siskiyou On Wildcat Canyon Road ca. 4 miles west of Callahan 1067 Comment
  UC1212588  Erigeron strigosus var. septentrionalis Francia Chisaki and Helen Sharsmith 1960-8-20 4739 Siskiyou on Wildcat Creek road ca 4 mi w Callahan; Inner North Coast Ranges 1066 Comment
  SBBG21908  Eriodictyon lobbii D. Myrick 1964-7-25 951 Siskiyou Shasta Ski Bowl Hwy, Mt Shasta 1524 Comment
  RSA0020049  Eriogonum Anthony Baniaga 2011-7-8 430 Siskiyou Klamath National Forest. Along Salmon River, on Highway 93. 694 Comment
  CAS-BOT-BC255434  Eriogonum alpinum Peter H. Raven 1956-9-4 10405 Siskiyou South side of Mt. Eddy 2682 Comment
  POM165278  Eriogonum alpinum Edward L. Greene 1903-8-18 3813 Siskiyou Mt. Eddy. 2652 Comment
  HSC74932  Eriogonum compositum J. P. Smith, Jennifer Whipple 1978-7-2 9973 Siskiyou Trail from Cook and Green Pass to Copper Butte. 1768 Comment
  UC634601  Eriogonum compositum var. compositum Mable Ruttle 1927-6-5 Siskiyou s slopes of Siskiyou Mts. Siskiyou Mts. Comment
  CHSC99723  Eriogonum diclinum L. P. Janeway 2008-7-24 9479 B Siskiyou Klamath Ranges. Siskiyou Mountains; crest of the mountain 2.1 air km northeast of Condrey Mountain. 2115 Comment
  RSA0004986  Eriogonum diclinum Louis C. Wheeler 1934-9-1 3235 Siskiyou Siskiyou Mountains, Jaynes Canyon. 1951 Comment
  CAS-BOT-BC255731  Eriogonum elatum var. elatum Edward Lee 1934-8-14 1096 Siskiyou Near summit of Little Grayback 1828 Comment
  CAS-BOT-BC261219  Eriogonum hirtellum Freed W. Hoffman 1948-7-8 2597 Siskiyou North of West Branch Camp, Waldo-Happy Camp Road Comment
  HSC28194  Eriogonum luteolum var. luteolum J. P. Smith, J. O. Sawyer 1971-9-18 4805 Siskiyou 1.2 mi. W of junction of Hwy. 3 and Rd. 8, N of Callahan. Comment
  HSC82206  Eriogonum marifolium Thomas W. Nelson, Jane P. Nelson 1980-7-5 5972 Siskiyou Fowler's Campground 1006 Comment
  SD104875  Eriogonum marifolium Darley Howe 1979-6-25 Siskiyou 3 mi. NW of forks of Salmon River on Somes Bar Rd Comment
  UC642570  Eriogonum marifolium W. B. Cooke 1939-6-23 13529 Siskiyou vicinity Wagon Camp (along Wagon Camp road); Mount Shasta 1676 Comment
  UC912735  Eriogonum marifolium Alice Eastwood 1921-7-25 10801 Siskiyou near Pilgim Creek nursery Comment
  CAS-BOT-BC263185  Eriogonum marifolium var. cupulatum Alice Eastwood 1921-7-29 10982 Siskiyou Bear Spring on road to Medicine Lake Comment
  CAS-BOT-BC263193  Eriogonum marifolium var. cupulatum Lewis S. Rose 1937-7-25 37588 Siskiyou S. slope of Mt. Shasta 1767 Comment
  SEINET7064423  Eriogonum nudum var. nudum A. G. Vestal 1955-5-17 s.n. Siskiyou Scott Valley, 0.8 mile north of Etna on Route 3. (NAD83/WGS84). UTM Zone 10, 508463mE, 4590957mN. 899 Comment
  SD22553  Eriogonum nudum var. nudum Susan G. Stokes 1932-7-14 Siskiyou Near Dorris Comment
  HSC43073  Eriogonum nudum var. pubiflorum J. P. Smith, J. O. Sawyer 1972-5-28 5366 Siskiyou 2.7 mi. N of Rd. 8 and Sugar Creek on Hwy. 3 915 Comment
  UCD77662  Eriogonum nudum var. pubiflorum Robert E. Preston 2001-6-23 1566 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
  JEPS56534  Eriogonum pyrolifolium Willis L. Jepson 1897-8-4 14777 Siskiyou spring near Horse Camp (near snow line); Mt. Shasta Comment
  CAS-BOT-BC252953  Eriogonum pyrolifolium var. pyrolifolium Robert T. Clausen; Harold Trapido 1940-7-27 4968 Siskiyou West side of west fork of Mountainhouse Creek, 3 miles north-northeast of summit of Mt. Shasta, Sacramento River Basin, So. Cascade Mts. 2438 Comment
  CAS-BOT-BC252961  Eriogonum pyrolifolium var. pyrolifolium Peter Kamb 1949-8-25 1490 Siskiyou Southwest slope of Mt. Shasta above Horse Camp 2895 Comment
  SEINET11261409  Eriogonum sphaerocephalum var. halimioides Noel H. Holmgren, James L. Reveal 1966-6-9 2681 Siskiyou US 97, 5.5 miles south of Macdoel, 35 miles north of Weed.; 0 1341 Comment
  RSA734379  Eriogonum strictum subsp. proliferum Lester Rowntree 1937-8-5 s.n. Siskiyou Between Etna Mills and Ft. Jones. Comment
  CAS-BOT-BC263397  Eriogonum strictum var. proliferum Alice Eastwood 1912-8-30 2008 Siskiyou Mount Eddy Comment
  HSC43455  Eriogonum strictum var. proliferum Jennifer Whipple 1977-8-4 2151 Siskiyou Wagon Creek drainage on the E face of Mt. Eddy 2439 Comment
  JEPS93922  Eriogonum strictum var. proliferum Vernon H. Oswald and Lowell Ahart 1998-8-3 9407 Siskiyou 11.5 mi w of Gazelle ((USFS 41N03) 0.2 mi e of its junction with Gazelle-Callahan Road); USFS 41N03 1524 Comment
  JEPS56463  Eriogonum strictum var. proliferum Geo. D. Butler 1909-6-19 970 Siskiyou Stones Hill Yreka Comment
  CAS-BOT-BC267936  Eriogonum umbellatum Noel H. Holmgren; James L. Reveal 1966-6-9 2697 Siskiyou US 97, Shasta Valley, 4 miles north of Weed 1158 Comment
  CAS-BOT-BC267945  Eriogonum umbellatum L. E. Detling 1950-6-10 6625 Siskiyou Shasta R. Canyon, nr. Dry Gulch 777 Comment
  CAS-BOT-BC267971  Eriogonum umbellatum var. argus Elmer I. Applegate 1923-9-7 3961 Siskiyou Dry Lake Lookout Station, Doggett Ridge, south slope of the Siskiyou Mountains Comment
  HSC95793  Eriogonum umbellatum var. lautum James L. Reveal 2001-7-19 8348 Siskiyou Scott Valley, along S Kidder Creek Rd., 0.5 mi. WSW of Hwy. 3, 6.1 mi. SW of Fort Jones, 5.7 mi. N of Etna 869 Comment
  JEPS84205  Eriogonum umbellatum var. modocense L. R. Heckard with J. Hickman et al. 1986-7-17 6504 Siskiyou e Condrey Mt. (slopes); Alex Hole 1880 Comment
  LA105219  Eriogonum umbellatum var. umbellatum Steve Morgan; 1987-7-28 sn Siskiyou Mount Shasta, Shasta Trinity National Forest, McGinnis Springs, 5 mi. NW of McCloud Comment
  CHSC36179  Eriogonum vimineum K. Bridwell 1978-7-5 165 Siskiyou Ca. 15 mi se of Macdoel, at base of Coyote Ridge. 1341 Comment
  JEPS24804  Eriogonum vimineum Rimo Bacigalupi with Drs. Reino and Aloha Alava 1958-9-2 6813 Siskiyou about 3 mi nw Weed (head of Shasta Valley); Shasta Valley 975 Comment
  RSA165230  Eriogonum vimineum E. B. Copeland 1903-7-5 3538 Siskiyou Klamathon. Comment
  CAS-BOT-BC301132  Eriophyllum lanatum var. achilleoides Geo. D. Butler 1910-6-7 1532 Siskiyou McAdams Creek Comment
  CAS-BOT-BC301101  Eriophyllum lanatum var. achilleoides R. C. Barneby 1954-5-16 11506 Siskiyou Along Klamath R., 5 1/2 mi. upstream from Klamath River P. O. 548 Comment
  SBBG111919  Eriophyllum lanatum var. achilleoides C. Bornstein 1996-6-29 Siskiyou Scott Valley Overlook Comment
  UC507155  Eriophyllum lanatum var. achilleoides Lincoln Constance 1933-7-6 E 122 Siskiyou 6.5 mi n of Dorris Comment
  CAS-BOT-BC301448  Eriophyllum lanatum var. grandiflorum A. A. Heller 1916-6-22 12438 Siskiyou Near Black Butte north of Sisson 1097 Comment
  CHSC91365  Eriophyllum lanatum var. grandiflorum Lowell Ahart; John Dittes 2005-6-10 12090 Siskiyou Rocky hillside, north of the rock fence, about 150 yards southeast of the pump house along the Shasta River, about 1.9 miles (air) south of Highway 99/97 Cutoff, about 6 miles (air) east-southeast of Grenada. 776 Comment
  CAS-BOT-BC301712  Eriophyllum lanatum var. lanceolatum Geo. D. Butler 1910-6-23 1602 Siskiyou Yreka Creek Comment
  HSC41085  Erodium cicutarium J. O. Sawyer 1970-3-4 2071 Siskiyou N of Idlewild Campground. 762 Comment
  RSA15584  Eryngium articulatum C. B. Wolf 1927-8-27 7744 Siskiyou On the Klamath River at the mouth of Dillon Creek Comment
  RSA530365  Erysimum capitatum var. capitatum Christopher Davidson 1975-6-5 2675 Siskiyou 2.8 mi from gate on special service rd branching SE from rd from Gazelle to Callahan 9.3 mi W of Gazelle. Klamath Nat. Forest. 1631 Comment
  HSC36565  Erysimum perenne J. O. Sawyer 1969-8-4 1829 Siskiyou Above Sugar Lake 2134 Comment
  LA87409  Erysimum perenne J. M. Tucker; 1963-7-7 3717 Siskiyou Marble Mountain Wilderness Area, in vicinity of Paradise Lake, at base of Kings Castle on E side 1981 Comment
  SD128722  Erythranthe moschata Darley F. Howe 1980-7-6 Siskiyou 1.3 mile south of Oregon state line on road to Happy Camp 1645 Comment
  UC1107165  Erythronium citrinum Dorothy Parker 1950-4-7 388 Siskiyou in forest near Scott Bar; Siskiyou Mountains, Scott River 515 Comment
  HSC30414  Erythronium grandiflorum subsp. grandiflorum Frederick W. Oettinger 1968-8-12 600 Siskiyou Marble Mtn. Wilderness Area. above Diamond Lake on ridge to English Peak 2134 Comment
  CAS-BOT-BC133303  Erythronium klamathense W. R. Dudley 1893-6-19 s.n. Siskiyou Castle Lake, near Mt. Shasta Comment
  CAS-BOT-BC403677  Eschscholzia californica A. A. Heller 1905-6-9 8002 Siskiyou Yreka Comment
  HSC68361  Eschscholzia californica J. P. Smith, Steve Selva 1970-6-16 4053 Siskiyou 7 mi. W of Etna on road to Sawyers Bar. 1280 Comment
  CAS-BOT-BC403683  Eschscholzia californica Elmer I. Applegate 1935-6-12 9523 Siskiyou South slope of Caldwell Butte, Lava Beds National Monument Comment
  SEINET5339918  Eschscholzia californica G. Butler 1910-5-7 1301 Siskiyou Dry land yreka Comment
  SD126059  Eucephalus breweri Steve Morgan 1987-7-28 Siskiyou Shasta-Trinity National Forest. McGinnis Springs, 5 miles north of McCloud, south of Mt. Shasta Comment
  RSA507781  Eucephalus glabratus J. C. Semple, S. Heard 1986-8-16 8492 Siskiyou SW of Etna. Etna Summit on Forest Hwy 93 1646 Comment
  SD241733  Eucephalus ledophyllus Dean Wm. Taylor 1999-8-12 17314 Siskiyou Mill Creek headwaters, Marble Mountains (ca. 4 miles W of Mugginsville, Quartz Valley). 1890 Comment
  CAS-BOT-BC310459  Eucephalus ledophyllus var. ledophyllus K. T. Stillman 1976-9-9 470 Siskiyou Marble Mountain Wilderness Area. N & NE & E side of Black Mtn. Comment
  HSC25665  Eucephalus ledophyllus var. ledophyllus J. O. Sawyer 1969-9-12 2010 Siskiyou Hanging valley N of Wildcat Peak 2012 Comment
  CAS-BOT-BC383118  Eucephalus tomentellus Andrew Townesmith; Karen M. Meyer 2007-7-28 863 Siskiyou Shasta-Trinity National Forest. Along Forest Service route 26, 4.1 miles west of forest boundary 1277 Comment
  RSA530007  Eucephalus tomentellus D. W. Taylor, Glenn L. Clifton 1987-8-5 9224 Siskiyou Forest Road 36N06 at crossing of Tate Creek, headwaters McCloud River drainage 1485 Comment
  UCR80272  Euonymus occidentalis J. O. Sawyer, K. T. Stillman 1976-7-1 2772 Siskiyou Along the Little North Fork of the Salmon River. 732 Comment
  UC1034598  Euonymus occidentalis var. occidentalis Douglas Barbe 1955-6-30 60 Siskiyou 0.8 mi. n.w. Forest Camp (Etna, along Johnson Creek); Klamath Mts., Etna, Johnson Creek 944 Comment
  UC163694  Euonymus occidentalis var. occidentalis Geo. D. Butler 1908-8-22 407 Siskiyou Russian Creek, Eldredge's Corral Comment
  HSC68016  Euphorbia esula J. P. Smith, Steve Selva 1970-7-17 4446 Siskiyou 915 Comment
  RSA0036537  Eurhynchiastrum pulchellum James R. Shevock, Ken Kellman 2012-10-6 41162 Siskiyou Above Sugar Lake accessed via trailhead off of FS road 41N14. 1821 Comment
  CAS-BOT-BC310633  Eurybia radulina Alice Eastwood 1912-7-21 1281 Siskiyou Sisson Comment
  JEPS24788  Eurybia radulina Rimo Bacigalupi with Drs. Reino and Aloha Alava 1958-9-1 6796 Siskiyou 6.2 mi above and sw of junction with road to, along road to Castle Lake Gumboot Lake; Scott Creek Camp 1432 Comment
  UCD65897  Festuca californica subsp. californica G. L. Stebbins Jr.; A. A. Beetle 1942-6-1 3266 Siskiyou 15 miles north of Happy Camp, above Indian Creek. 1219 Comment
  RSA239114  Festuca idahoensis Frederick W. Oettinger 1968-8-8 452 Siskiyou Crapo Meadows. Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2165 Comment
  CAS-BOT-BC278724  Festuca idahoensis Clare B. Hardham 1961-6-30 8000 B Siskiyou Siskiyou Mountains. White Mt., Siskiyou Mts. Comment
  CAS-BOT-BC278876  Festuca occidentalis Alice Eastwood 1923-5-27 11951 Siskiyou Shasta Springs, on road to McCloud Comment
  HSC26623  Festuca occidentalis J. P. Smith, Steve Selva 1970-6-16 3990 Siskiyou 6 mi. from Hwy. 3 on Rd. 8 to Sugar Creek. 1280 Comment
  HSC99293  Festuca occidentalis Gail Newton 1980-6-20 487 Siskiyou Near Bald Mtn. 1097 Comment
  UC796737  Festuca occidentalis Roxana S. Ferris and Laura Lorraine Jun 12 1948-Jun 16 1948 11744 Siskiyou w of Callahan (French Creek Logging Road) 1066 Comment
  SEINET239083 Image available Festuca roemeri var. klamathensis Barbara L. Wilson 1996-6-2 BLM 8123 Siskiyou Klamath National Forest ; Road cut where old highway intersects modern one, on Hwy 3 6.7 miles by road southwest of the Yreka city limits at road marker 003/SIS/40. 1128 Comment
  CAS-BOT-BC282571  Festuca viridula Gilbert Muth 1969-8-7 1261 Siskiyou Boulder Peak Ridge 2468 Comment
  CAS-BOT-BC59977  Frangula purshiana Alice Eastwood 1912-7-23 1333 Siskiyou Cantaria. Comment
  CAS-BOT-BC59990  Frangula purshiana Edward Lee 1934-8-15 1124 Siskiyou Summit of Happy Camp to Waldo (Oregon) road, Indian Creek watershed, Klamath National Forest. 1615 Comment
  CAS-BOT-BC60017  Frangula purshiana Doris K. Kildale 1928-8-18 6423 Siskiyou N. Fork Salmon River at Finley Camp. Comment
  SEINET11249900  Frangula rubra H. M. Hall, E. B. Babcock 4172 Siskiyou Head of McCloud River 1524 Comment
  JEPS116616  Frangula rubra subsp. rubra Julie Kierstead Nelson with Rhonda Posey 2007-6-15 2007 -009 Siskiyou North side of Mt. Shasta, south Hwy 97, along Forest Service Rd. 42N73 Hotlum Fire area burned Feb 2006 ca. 4 mi NE town of Weed Mt. Shasta 1090 Comment
  RSA761385  Frasera Barbara Ertter 1990-7-14 9304 Siskiyou E side Mt. Eddy ca 4 airmiles due W of Mt. Shasta City, at streamlet near end of FR 41N53 ca 1 mi N of Morgan meadows. 1677 Comment
  RSA17690  Frasera albicaulis var. modocensis Elmer I. Applegate 1935-6-6 9366 Siskiyou Crater of Caldwell Butte, Lava Beds National Monument. Comment
  RSA78678  Frasera albicaulis var. nitida P. A. Munz 1952-7-2 17871 Siskiyou Road to Baldy Mountain, northwest of Happy Camp, Siskiyou Mountains. 1494 Comment
  RSA215599  Frasera speciosa Gilbert Muth 1969-8-7 1232 Siskiyou East side of Boulder Peak Ridge. 2500 Comment
  HSC35064  Fritillaria affinis J. P. Smith 1974-5-25 7645 Siskiyou Along Rd. 8, 4.7 mi. W of its junction with Hwy. 3 1159 Comment
  JEPS82476  Fritillaria affinis Gilbert Muth 1966-7-8 356 Siskiyou Marble Mountain Wilderness Area, Marble Valley Meadow Marble Valley Meadow Marble Valley Meadow; Marble Mountain Wilderness Area, Marble Valley Meadow 1792 Comment
  HSC35066  Fritillaria atropurpurea J. P. Smith 1974-5-25 7647 Siskiyou Along Rd. 8, 4.7 mi. W of its junction with Hwy. 3 1159 Comment
  JEPS55701  Fritillaria pudica D. Parker 1967-3-26 Siskiyou e. side of Scott Valley ca. halfway between Etna and Fort Jones; Scott Valley 914 Comment
  POM273477  Fritillaria pudica Lyman Benson 1929-3-26 1072 Siskiyou Yreka Comment
  CAS-BOT-BC504470  Fritillaria recurva Mrs. Van Fassen 1925-4-1 s.n. Siskiyou Dunsmuir Comment
  JEPS25674  Galium ambiguum subsp. siskiyouense Rimo Bacigalupi with Mr. and Mrs. Van Deventer 1959-7-10 7319 Siskiyou on rocky ridgetop marking Del Norte-Siskiyou co. boundary Siskiyou Mts. (on steep grade just above jeep road between Poker Flat and Twin Valley) 1664 Comment
  HSC29315  Galium aparine Frederick W. Oettinger 1969-8-1 1131 Siskiyou Marble Mtn. Wilderness Area: N of Wiregrass Meadow near English Lake 1677 Comment
  SEINET10500692  Galium bifolium Mary Susan Taylor 1980-7-8 Taylor 3107 Siskiyou T39N R5W nw sec 19, Dunsmuir quad; Shasta-Trinity Natl Forest; on trail, E side of Castle Lake to Little Castle Lake. 1768 Comment
  JEPS52698  Galium bolanderi G. L. Stebbins Jr. 1963-7-7 6137 Siskiyou 5 mi ne Cecilville (on road to Callahan, Shadow Creek campsite) 975 Comment
  POM68837  Galium bolanderi Geo. D. Butler 1908-8-21 413 Siskiyou Etna Creek. Comment
  UC416635  Galium bolanderi Milo S. Baker 1899-7-17 Siskiyou Lava Beds Fall River Valley Comment
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Jan 16 2007
  HSC104303  Galium glabrescens subsp. glabrescens Dana York 2012-7-21 3143 Siskiyou Rogue River-Siskiyou National Forests; Siskiyou Mountains, Red Buttes Wilderness, a few meters below summit of Red Butte 2043 Comment
  HSC77341  Galium glabrescens subsp. glabrescens L. P. Janeway 1983-8-7 517 Siskiyou Near end of Rd. 17N32 (the S Fork Indian Cr. Rd.), 19 mi. from the Indian Creek Rd. 1555 Comment
  CHSC91385  Galium parisiense Lowell Ahart; John Dittes 2005-6-10 12116 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
  CAS-BOT-BC200584  Garrya buxifolia Geo. D. Butler 40 Siskiyou On West Fork of Woolly Creek 1524 Comment
  UC1971397  Garrya buxifolia Louis C. Wheeler 1958-8-18 7395 Siskiyou West Fork Seiad Creek. Comment
  HSC19180  Garrya fremontii J. O. Sawyer 1968-7-23 608 Siskiyou Near Big Flat Campground, Trinity Alps Primitive Area 1524 Comment
  HSC8398  Garrya fremontii C. B. Wolf 1927-8-26 1045 Siskiyou Along Klamath River, 4 mi. N of Gottville Comment
  RSA300516  Garrya fremontii John Dourley, Walter Wisura 1982-10-17 3879 Siskiyou Mill Creek Ridge, ca. 18 mi N of Happy Camp, along old road up Indian Creek. 1524 Comment
  RSA392398A  Garrya fremontii H. E. McMinn 1931-6-27 2525 Siskiyou Near Gottsville. Klamath River. Comment
  RSA44059  Garrya fremontii W. Bridge Cooke 1941-6-11 16031 Siskiyou Along the Castle Lake Road. Comment
  SD219046  Garrya fremontii R. F. Thorne 1969-8-23 63348 Siskiyou Klamath National Forest, Salmon Mountains, Marble Mountain Wilderness Area, high lake basins in the vicinity of English Peak. 1159 Comment
  UC1409479  Garrya fremontii Frederick W. Oettinger and R. F. Thorne 1969-8-5 1199 Siskiyou near Willow Springs (between Abbotts Upper Cabin and English Lake, vicinity of English Peak, w Siskiyou County); Salmon Mountains, Marble Mountain Wilderness Area 1676 Comment
  HSC38129  Gaultheria humifusa J. O. Sawyer 1976-10-23 2826 Siskiyou W of Little Duck Lake Comment
  HSC98346  Gaultheria humifusa Gordon Leppig, J. Kalt 1996-7-9 378 Siskiyou Klamath National Forest, Russian Wilderness, cirque W of Little Duck Lake 2200 Comment
  CAS-BOT-BC94901  Gayophytum diffusum subsp. parviflorum R. C. Wenk 2005-7-15 200 Siskiyou Trinity Alps, above South Fork of Salmon River, along the Yellow Rose Mine Trail 1645 Comment
  HSC34140  Gayophytum diffusum subsp. parviflorum J. O. Sawyer 1969-8-1 1659 Siskiyou SE facing slope above Duck Lake Creek 1951 Comment
  UC1409238  Gayophytum diffusum subsp. parviflorum Frederick W. Oettinger 1968-8-7 434 Siskiyou Hancock Lake Salmon Mountains, Marble Mountain Wilderness Area (e side, w Siskiyou Co. high lake basins in vicinity of English Peak) 1889 Comment
  UC718018  Gayophytum diffusum subsp. parviflorum Carl B. Wolf 1934-7-4 5940 Siskiyou Horse Creek-Dry Lake Lookout Siskiyou Mts., Klamath River (13 1/2 mi from Horse Creek Bridge) 1524 Comment
  POM313456  Gayophytum diffusum subsp. parviflorum Paul C. Hutchison 1962-8-3 946 Siskiyou Just east of Paint Pot Crater between Grasshopper Flat and Little Medicine Lake 1784 Comment
  JEPS24633  Gayophytum heterozygum Rimo Bacigalupi with Drs. Reino and Aloha Alava 1958-9-1 6788 Siskiyou a little above and e McBride Springs (s slopes of mt.); Mt. Shasta 1432 Comment
  OBI48982  Gayophytum heterozygum Lewis S. Rose 1937-7-28 37599 Siskiyou Shasta Springs 914 Comment
  HSC40995  Gayophytum heterozygum J. O. Sawyer 1972-7-14 2471 Siskiyou N Fork of Salmon River 1006 Comment
  NY297643  Gentiana plurisetosa C. C. Harris 1939-8-29 976 Siskiyou Half Moon Meadow, Marble Mountain Primitive Area 1670 Comment
  CAS-BOT-BC123769  Gentianella amarella subsp. acuta Copeland 1903-9-6 s.n. (= no. 3849 of C.F. Baker's distribution) Siskiyou Mt. Eddy Comment
  SEINET3151360  Geranium incisum G. D. Butler 1910-6-6 1458 Siskiyou Quartz Valley Comment
  RSA0029594  Geranium viscosissimum var. viscosissimum Geo. D. Butler 1910-6-6 1458 Siskiyou Quartz Valley. Comment
  UC1258442  Gilia capitata subsp. capitata Maralyn A. Renner 1980-7-23 1848 Siskiyou near ridge about 1 mi e Cook and Green Pass (Pacific Crest Trail); Seiad Valley Quad., Klamath National Forest 1752 Comment
  UC1258451  Gilia capitata subsp. capitata Maralyn A. Renner 1980-6-25 1096 Siskiyou West Fork Little South Fork Indian Creek, Klamath National Forest, Preston Peak Quad. Comment
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Feb 9 2009
  CAS-BOT-BC94919  Gilia capitata subsp. capitata R. C. Wenk 2006-9-2 549 Siskiyou Trail to Caribou Lakes from Big Flat Meadow, below Snowslide Lake 2164 Comment
  CDA40027  Gilia sinuata G. D. Barbe, J. T. Howell, T. C. Fuller 1980-5-2 2777 Siskiyou Yreka. West of Motel 6, south of town, north of Greenhorn Creek Road. Comment
  SEINET10934814  Glyceria cookei William B. Cooke 1940-7-12 Cooke 15312 Siskiyou Box Canyon of Sacramento River near Shasta City Comment
  CAS-BOT-BC302676  Gnaphalium palustre L. E. Smith 1915-7-1 s.n. Siskiyou Castella Comment
  RSA237524  Gnaphalium palustre Frederick W. Oettinger 1969-9-1 1572 Siskiyou Dry Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2027 Comment
  SEINET8770785 Image available Gnaphalium palustre G. D. Bulter 1910-6-12 1560 Siskiyou Yreka Creek Comment
  POM168319  Goodyera oblongifolia E. B. Copeland 1903-8-19 3929 Siskiyou Mt. Eddy 1372 Comment
  POM215865  Gratiola ebracteata Louis C. Wheeler 1935-6-13 3570 Siskiyou Greenview, Scott Valley. 884 Comment
  JEPS2565 Image available Hackelia californica C. G. Pringle 1881-8-23 Siskiyou Mount Shasta Comment
  UC726512  Hackelia californica A. A. Heller 1916-6-22 12426 Siskiyou near Sisson 1074 Comment
  HSC3666  Hackelia cusickii R. C. Wunner 1965-8-27 484 Siskiyou Lava Beds National Monument; Devil's Homestead where road runs through near Juniper on H.Q. side of flow Comment
  HSC22137  Hackelia micrantha J. O. Sawyer 1969-7-3 1040 Siskiyou Near Lipstick Lake 1951 Comment
  HSC22162  Hackelia micrantha J. O. Sawyer 1969-7-16 1137 Siskiyou SW facing upper slope SW of Waterdog Lake. 2104 Comment
  HSC63982  Hackelia micrantha J. P. Smith, Steve Selva 1970-6-15 3967 Siskiyou 20 mi. E of Cecilville on the road to Callahan. 1646 Comment
  RSA211230  Hackelia micrantha W. J. Ferlatte 1966-6-22 91 Siskiyou Along the South Fork of the Salmon River between the campground and Carter s. Trinity Alps. 1524 Comment
  UC3685  Hastingsia alba Brewer Sept. 1862 1421 Siskiyou Mount Shasta 2438 Comment
  CAS-BOT-BC504601  Hastingsia alba Geo. D. Butler 1910-6-5 1482 Siskiyou Shackleford Creek Comment
  CDA39324  Hastingsia alba T. C. Fuller 1958-6-19 1821 Siskiyou Highway 99, 3 miles south of Gazelle. 0 Comment
  POM109513  Hastingsia alba Geo D. Butler 1910-6-5 1482 Siskiyou Shackleford Creek Comment
  RSA105445  Hastingsia alba Milo S. Baker 1955-7-26 13078 Siskiyou Hwy 99, 4 mi S of Gazelle. 915 Comment
  RSA237440  Hazardia whitneyi var. discoidea Frederick W. Oettinger 1968-8-24 623 Siskiyou Crapo Peak Ridge above Tom Taylor Cabin. Salmon Mountains. High Lake Basin in the vicinity of English Peak. Marble Mountain Wilderness Area. 1799 Comment
  HSC772  Helenium bigelovii William J. Ferlatte 1967-8-17 947 Siskiyou Yellow Rose Mine 1982 Comment
  JEPS107103  Helenium bigelovii Barbara Ertter with Julie Kierstead and Jim Nelson 1990-7-15 9353 Siskiyou Morgan Meadows on E side of Mount Eddy ca 5 airmiles due W of Mount Shasta City Comment
  JEPS74421  Helenium bigelovii W. J. Ferlatte 1966-8-2 231 Siskiyou between campground and S. Fork of the Salmon River; Trinity Alps, Big Flat 1524 Comment
  CAS-BOT-BC306736  Helenium bigelovii Gilbert Muth 1965-8-2 s.n. Siskiyou Marble Valley Comment
  RSA126340  Helenium bigelovii I. L. Wiggins 1955-7-26 13510 Siskiyou Banks of S Fork of Salmon R just above mouth of Blind Horse Creek 887 Comment
  RSA275411  Helianthella californica var. californica J. O. Sawyer, E. Cope 1977-6-18 2920 Siskiyou along Clear Creek Trail between Ten Mile Creek and Bear Pen Creek. 610 Comment
  CAS-BOT-BC123528  Helianthella californica var. shastensis Amos Arthur Heller 1916-7-22 12489 Siskiyou East side of Mt. Eddy Comment
  NY179044  Helianthella californica var. shastensis A. A. Heller 1916-7-22 12489 Siskiyou East side of Mt. Eddy Comment
  UC134872  Helianthus bolanderi J. W. Congdon 1910-8-9 Siskiyou near Sisson Comment
  UC166242  Helianthus bolanderi Geo. D. Butler 1908-7-14 506 Siskiyou field near Yreka Comment
  CAS-BOT-BC305570  Helianthus bolanderi Henry M. Pollard 1956-10-7 s.n. Siskiyou Klamath River bar on Spink's Ranch at Rogers Creek, Somes Bar Comment
  JEPS109775  Helianthus exilis Dean W. Taylor 2002-7-27 18280 Siskiyou Highway 3 2.3 miles North of Scott Mountain Summit 1386 Comment
  UC134584  Hemizonella minima H. E. Brown June 1-10 1897 307 Siskiyou near Sisson 1083 Comment
  CAS-BOT-BC313469  Hemizonella minima Alice Eastwood 1923-5-22 11901 Siskiyou Sisson Comment
  OBI7194  Hesperocyparis bakeri Carl B. Wolf 1944-10-29 11478 Siskiyou NW side Goose Nest Mt, about 1 mi due S of Old Smith sawmill on Montague to Mt. Hebron rd 1676 Comment
  UC133548  Hesperolinon micranthum Dr. E. B. Copeland 1903-7-8 3561 Siskiyou Klamathon Comment
  UC17265  Hesperolinon micranthum M. K. Curran July 1887 Siskiyou Sissons Comment
  CDA15536  Heteromeles arbutifolia G. F. Hrusa 1998-7-5 14704 Siskiyou Siskiyou Mountains; Hwy 96 17.6 mi. W of Happy Camp. Comment
  UC163946  Heterotheca oregona var. rudis Geo. D. Butler 1910-7-16 1790 Siskiyou Oro Fino Comment
  CAS-BOT-BC420730  Heuchera cylindrica Elmer I. Applegate 1935-6-12 9518 Siskiyou East base of Cinder Cone, near western boundary of Lava Beds National Monument. Comment
  CAS-BOT-BC420705  Heuchera merriamii Gilbert Muth 1969-8-6 1185 Siskiyou Boulder Peak Comment
  CAS-BOT-BC509283  Heuchera merriamii Dana York 2012-7-20 3119 Siskiyou Rogue River--Siskiyou National Forest, Siskiyou Mountains, ca 2.4 km WSW of Cook and Green Pass, moist slope above Echo Lake 1710 Comment
  JEPS54950  Heuchera merriamii Wayne Roderick and Dorothy Parker 1966-7-26 Siskiyou at edge of Kangaroo Lake (n side of Scott Mts); Scott Mountains, Kangaroo Lake 1844 Comment
  HSC77088  Heuchera merriamii K. T. Stillman 1976-8-7 361 Siskiyou Marble Mtn. Wilderness Area, trail to Marble Valley Guard Station Comment
  RSA0066095  Heuchera micrantha var. diversifolia M. B. Dunkle 1944-6-25 9014 Siskiyou Siskiyou National Forest. 1677 Comment
  CAS-BOT-BC319695  Hieracium albiflorum Alice Eastwood 1921-7-30 10995 Siskiyou Soda Creek Comment
  JEPS36577  Hieracium albiflorum Geo. D. Butler 1908-8-3 345 Siskiyou Shackelford Creek Log Lake, Shackelford Creek 1524 Comment
  UC1483555  Hieracium albiflorum John Palmer 1980-8-12 719 Siskiyou se of Wards Gap; Klamath National Forest, Condry Mtn. Quad. 1188 Comment
  UCD77772  Hieracium albiflorum Robert E. Preston 2001-7-20 1686 Siskiyou Klamath National Forest, north slope of Rainbow Mountain, n of Hemlock Lake, 1712 Comment
  HSC34826  Hieracium bolanderi J. P. Smith, J. O. Sawyer 1975-10-23 8488 Siskiyou 1768 Comment
  UC455911  Hieracium greenei I. J. Condit 1911-7-22 Siskiyou beginning of Shasta trail, near box factory; Sisson Comment
  HSC69195  Hieracium horridum Maralyn A. Renner 1980-9-1 2692 Siskiyou Bear Mtn. 1936 Comment
  CAS-BOT-BC316009  Hieracium nudicaule Lewis S. Rose 1937-7-26 37609 Siskiyou McCloud 1005 Comment
  CAS-BOT-BC316013  Hieracium nudicaule Alice Eastwood 1921-7-25 10815 Siskiyou Bigelows, McCloud River Comment
  UC897886  Hieracium nudicaule Alice Eastwood 1912-7-15 1083 Siskiyou McCloud Comment
  UCD133118  Hieracium scouleri J. M. Tucker; L. K. Mann 1963-8-18 3767 Siskiyou saddle between Marble Mountain and southwestern ridge of Black Mountain (Black Marble Mountain), Marble Mountain Wilderness Area. 2103 Comment
  RSA211206  Hieracium scouleri William J. Ferlatte 1966-8-5 340 Siskiyou Caribou Mountain. 2470 Comment
  RSA211520  Hieracium scouleri William J. Ferlatte 1966-8-3 275 Siskiyou Josephine Lake basin. 1677 Comment
  CAS-BOT-BC320104  Hieracium triste J. M. Tucker; L. K. Mann 1963-8-19 3783 Siskiyou Headwaters of Canyon Creek, Marble Mountain Wilderness Area 1920 Comment
  JEPS82483  Hieracium triste Gilbert Muth 1965-8-11 204 Siskiyou Black Mt. Marble Mt. Wilderness Area (meadow near summit, rim trail) 2011 Comment
  HSC29126  Hieracium triste Frederick W. Oettinger 1968-8-8 448 Siskiyou High Lake Basins near English Peak; Marble Mtn. Wilderness Area: Ridge above Upper English Lake near trail to English Peak 2165 Comment
  HSC29378  Holodiscus discolor Frederick W. Oettinger 1968-9-8 787 Siskiyou S of English Lake 1784 Comment
  JEPS46111  Holodiscus discolor Duncan Dunning 1923-6-16 Siskiyou Happy Camp; northwestern Siskiyou County Comment
  RSA237606  Holodiscus discolor Frederick W. Oettinger 1969-8-16 1412 Siskiyou Old wiregrass meadow on English Lake Trail. Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1829 Comment
  UC1409361  Holodiscus discolor Frederick W. Oettinger 1968-8-13 503 Siskiyou se side of Hancock Lake, High Lake Basins in vicinity of English Peak, Salmon Mountains, Marble Mountain Wilderness Area Hancock Lake; Salmon Mountains, Marble Mountain Wilderness Area 1935 Comment
  UC637025  Holodiscus discolor Edward Lee 1934-8-14 1093 Siskiyou near summit of Little Grayback (Siskiyou-Del Norte County line) 1828 Comment
  CAS-BOT-BC94844  Holodiscus microphyllus var. microphyllus R. C. Wenk 2005-7-15 210 Siskiyou Trinity Alps, above South Fork of the Salmon River, along Yellow Rose Mine trail 2133 Comment
  JEPS80525  Hordeum brachyantherum subsp. brachyantherum Gilbert Muth 1966-7-17 410 Siskiyou Marble Mountain Wilderness Area near Lookout; Marble Mountain Wilderness Area 2057 Comment
  CHSC91359  Hordeum depressum Lowell Ahart; John Dittes 2005-6-9 12001 Siskiyou Meadow area along a small drainage, on the east side of a poor rock fence, about 300 yards east of where cattle water in the Shasta River, about 3/5 mile (air) south of Highway 99/97 Cutoff, about 2 1/2 miles (air) east-southeast of Grenada. 774 Comment
  CAS-BOT-BC284741  Hordeum jubatum Verne Grant; Irving Schneider 1947-8-26 8302 Siskiyou By Interstate Highway, Lower Klamath Lake Comment
  CAS-BOT-BC284769  Hordeum murinum subsp. glaucum Dorothy Parker 1949-5-3 77 Siskiyou In McConahue Gulch, Scott Valley 914 Comment
  CDA25946  Horkelia daucifolia G. D. Barbe, J. T. Howell, T. C. Fuller 1980-4-29 2656 Siskiyou Behind motel and restaurant at Old Highway 99 and Greenhorn Road, south edge of Yreka. 0 Comment
  UCSB12103  Horkelia daucifolia Breedlove, Dennis 1962-6-11 Siskiyou Along Scott River, 0.5 mile south of Scott Bar 548 Comment
  CHSC99207  Horkelia fusca subsp. parviflora L. P. Janeway; B. Castro 2007-7-28 9127 Siskiyou High Cascade Range. Medicine Lake Highlands; west side of Arnica Sink about 6.5 km west of Glass Mountain. 2042 Comment
  JEPS25597  Horkelia fusca subsp. parviflora Rimo Bacigalupi 1959-7-2 7229 Siskiyou South Fork of the Salmon River, Big Flat Campground 1508 Comment
  JEPS47182  Horkelia tridentata W. L. Jepson 1940-6-30 20069 Siskiyou 6 mi e;On the McCloud River McCloud; McCloud River, Fowlers Camp, Forest Service Campground 944 Comment
  UCR52573  Horkelia tridentata 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
  HSC12274  Horkelia tridentata var. tridentata Richard Spjut 1970-7-18 469 Siskiyou 8 mi. E of Mt. Shasta just off Hwy. 89 1220 Comment
  HSC82204  Horkelia tridentata var. tridentata Thomas W. Nelson, Jane P. Nelson 1980-7-5 5969 Siskiyou Fowler's Campground 1006 Comment
  CAS-BOT-BC539428  Horkelia tridentata var. tridentata W. B. Cooke; V. G. Cooke 1972-6-7 45457 Siskiyou Along Mud Creek Dam Road, Mt. Shasta Comment
  CHSC91363  Hornungia procumbens Lowell Ahart; John Dittes 2005-6-10 12057 Siskiyou Near 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
  CDA24878  Hornungia procumbens G. D. Barbe, J. T. Howell, T. C. Fuller 1980-4-28 2591 Siskiyou Between Old Highway 99 and railroad 4 km south of Grenada. Comment
  HSC61502  Hosackia crassifolia Ruby Van Deventer 1939-7-18 Siskiyou Kelley Lake and Kelley Lake Trail 1220 Comment
  HSC71347  Hosackia crassifolia J. P. Smith 1976-5-21 8773 Siskiyou Klamath National Forest, FS Rd. 40N08, 12.3 mi. from its junction with Hwy. 3 1220 Comment
  CAS-BOT-BC201132  Hosackia crassifolia Doris K. Kildale 1929-7-20 8720 Siskiyou Raspberry Lake, near head South Fork Indian Creek 1828 Comment
  SEINET957334  Hosackia crassifolia G. D. Butler 1910-1 1452 Siskiyou Lang Valley. Comment
  UCD106083  Hosackia crassifolia R. Tofsrud; J. M. Tucker 1948-8-2 1754 Siskiyou Open Yellow Pine woods, outskirts of McCloud. Comment
  JEPS16952  Hulsea nana Peter H. Raven 1956-9-4 10425 Siskiyou summit Mount Eddy 2758 Comment
  JEPS34895  Hulsea nana Willis L. Jepson 1894-8-4 Siskiyou Mt. Shasta Comment
  RSA420883  Hydrophyllum fendleri var. albifrons M. B. Dunkle 1944-06 9041 Siskiyou Wet seepage bank. Comment
  HSC27489  Hydrophyllum occidentale J. P. Smith, J. O. Sawyer 1972-5-27 5352 Siskiyou Hwy. 3 near the Scott Mtn. Campground on divide between Scott and Trinity Rivers 1601 Comment
  HSC69225  Hypericum anagalloides Maralyn A. Renner 1980-8-31 2619 Siskiyou Twin Valley. 1494 Comment
  UC1483537  Hypericum anagalloides Maralyn A. Renner 1980-8-21 2567 Siskiyou Klamath Nat'l Forest, s. corner boundary Coffee Creek Quad., Kidd Creek Klamath Nat'l Forest, Coffee Creek Quad., Kidd Creek 2042 Comment
  UC164399  Hypericum formosum var. scouleri Geo. D. Butler 1910-7-3 1627 Siskiyou <Goosenest> foothills 1219 Comment
  CHSC740  Hypericum perforatum V. Holt 1936-7-2 Siskiyou Mt. Eddy. 1219 Comment
  UC166054  Idahoa scapigera Geo. D. Butler 1910-3-21 1136 Siskiyou near Yreka Comment
  HSC81565  Ipomopsis aggregata subsp. aggregata Thomas W. Nelson, Jane P. Nelson 1980-7-17 6093 Siskiyou Along FS Rd. 17, 0.5 mi. N of summit at county line 2073 Comment
  UC23469  Ipomopsis congesta Harley P. Chandler 1901-6-1 1666 Siskiyou Marble Mtn North Coast Ranges 2438 Comment
  UC609317  Ipomopsis congesta Eleanor Burks Hart 1938-8-18 903 Siskiyou Boulder Peak 2529 Comment
  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
  HSC43367  Iris tenuissima N. G. Sugihara 1977-5-28 85 Siskiyou Recently burned hillside, 0.3 mi. toward Sawyers Bar from Hwy. 96 1067 Comment
  RSA136340  Iris tenuissima Lee W. Lenz 1953-5-13 18297 Siskiyou 9 miles north of Siskiyou County line, road to Happy Camp Comment
  RSA136360  Iris tenuissima Lee W. Lenz, E. K. Balls 1956-6-18 21801 Siskiyou 1.5 mile east of McCloud, State Highway 89 1006 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
  SD76157  Isatis tinctoria Helen V. Witham 1969-10-7 587 Siskiyou Naturalized along Scott River at bridge to Indian Scotty Campground. 700 Comment
  SDSU2432  Isatis tinctoria D. F. Howe 1977-7-2 4983 Siskiyou 7 miles west of Fort Jones on Scott River road. 671 Comment
  CAS-BOT-BC88662  Isatis tinctoria Marion Ownbey; Fred G. Meyer 1940-7-7 2208 Siskiyou Soap Ridge Road, southwest of Yreka. Comment
  HSC68480  Isatis tinctoria Maralyn A. Renner 1980-6-8 816 Siskiyou Slopes N of Moffett Creek 945 Comment
  SD98938  Isatis tinctoria Darley F. Howe 1977-7-2 4983 Siskiyou 7.0 miles west of Fort Jones. 669 Comment
  SEINET3148773  Isatis tinctoria G. D. Butler 1910-6-7 1534 Siskiyou Scott River Comment
  SEINET5342457  Isatis tinctoria G. Butler 1910-6-7 1534 Siskiyou Scott Rin. Comment
  JEPS100303  Isoetes bolanderi Dean W. Taylor 2001-8-28 17911 Siskiyou Mt. Shasta, Ash Creel Butte, Suprise Lake 2057 Comment
  CAS-BOT-BC69856  Isoetes occidentalis Charlotte K. Glenn 1967-9-6 201 Siskiyou Castle Lake; Siskiyou Mts. 1584 Comment
  CDA8054  Iva axillaris T. C. Fuller 1958-6-19 1802 Siskiyou Tom Williams property, 4 miles northeast of Montague. 0 Comment
  JEPS91218  Ivesia gordonii Dean W. Taylor 1988-7-10 9963 Siskiyou summit ridge Mt. Eddy 2750 Comment
  JEPS66977  Juncus ensifolius Geo. D. Butler 1910-7-9 1734 Siskiyou Shackleford Creek 1219 Comment
  HSC30700  Juncus hemiendytus var. hemiendytus Frederick W. Oettinger, R. F. Thorne 1969-8-7 1266 Siskiyou Marble Mtn. Wilderness Area, W of Upper English Lake 1768 Comment
  RSA238898  Juncus hemiendytus var. hemiendytus Frederick W. Oettinger 1969-8-24 1520 Siskiyou Inlet of upper English Lake. Salmon Mtns. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1768 Comment
  CHSC70199  Juncus mertensianus Jennifer Whipple 1976-7-2 1247 Siskiyou Mount Eddy, Klamath Mountains. Near Durney Lake. Along stream draining Durney Lake. 2133 Comment
  HSC96563  Juncus mertensianus Gordon Leppig, J. Kalt 1996-7-9 355 Siskiyou Russian Wilderness, cirque W of Little Duck Lake 2200 Comment
  HSC14091  Juncus mexicanus R. C. Wunner 1965-6-22 259 Siskiyou Lava Beds National Monument, Canby Bay 1220 Comment
  POM119126  Juncus mexicanus Geo D. Butler 1910-5-26 1409 Siskiyou Yreka. Comment
  RSA142676  Juncus nevadensis Phillip A. Munz 1960-8-22 24175 Siskiyou Panther Meadows, Mt. Shasta. 2317 Comment
  UCD141646  Juncus occidentalis S. S. Tillett 1956-7-11 694 Siskiyou Siskiyou - Trinity County: County line, Scott Mountain divide just N of campground; ca. 8 miles SE of Callahan. 1630 Comment
  HSC39812  Juncus orthophyllus J. O. Sawyer 1969-8-4 1838 Siskiyou Above Sugar Lake 2134 Comment
  RSA299465  Juncus orthophyllus J. P. Smith, Steve Selva 1970-7-18 4485 Siskiyou Hanging bog at Kangaroo Lake. 1890 Comment
  UCSB63776  Juncus orthophyllus Oswald, Vernon; Ahart, Lowell 1998-8-3 Siskiyou Kangaroo Lake Rd. (USFS 41N08); 3.9 mi southeast of Gazelle-Callahan Rd. at its intersection with USFS 4IN 10: T41N R7W ca. center Sect. 34 1554 Comment
  CHSC98758  Juncus parryi L. P. Janeway; B. Castro 2007-7-29 9144 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
  CHSC71510  Juncus tiehmii Vernon H. Oswald; Lowell Ahart 1998-7-21 9362 Siskiyou Northeast of Weed, east of Grass Lake, and west of Bray on Old State Highway 0.8 mi east of Tennant Rd. 1417 Comment
  JEPS74637  Juniperus communis Richard McP. Brown 1974-7-27 Siskiyou near shore at southeastern corner Caribou Lake (Trinity Alps, Klamath National Forest); Klamath National Forest, Trinity Alps, Caribou Lake 2087 Comment
  RSA233708  Juniperus communis var. montana Robert F. Thorne, Fred Oettinger 1969-8-10 39011 Siskiyou Mt. Shasta National Forest: S slope of Mt. Shasta. 2439 Comment
  CAS-BOT-BC81224  Juniperus occidentalis Alice Eastwood 1912-7-20 1264 Siskiyou Hornbrook Comment
  UC567206  Juniperus occidentalis H. A. Jensen 1934-8-29 384 Siskiyou Cedar Park School Dunsmuir Quad. 883 Comment
  HSC4849  Kalmia polifolia J. O. Sawyer 1968-6-25 314 Siskiyou Along Horse Range Creek 1829 Comment
  RSA760543  Kalmia polifolia R. F. Thorne, Frederick W. Oettinger 1969-8-4 63367 Siskiyou Klamath National Forest, Salmon Mountains, Marble Mountain Wilderness Area, high lake basins in the vicinity of English Peak 2072 Comment
  RSA447646  Kelloggia galioides M. B. Dunkle 1945-1 9344 Siskiyou Klamath National Forest, Marble Mountains. 2439 Comment
  UCD121986  Kelloggia galioides R. Tofsrud; J. M. Tucker 1948-8-4 1785 Siskiyou ca. 1 1/2 miles northwest of McCloud. Comment
  HSC100335  Koeleria macrantha J. P. Smith 2011-7-15 13303 Siskiyou 1427 Comment
  JEPS94262  Koeleria macrantha Vernon H. Oswald and Lowell Ahart 1998-6-11 9194 Siskiyou 2.2 mi ne of Lake Shastina-Big Springs Road, ne of Weed, Shasta National Forest plantation on w side of Highway 97 Weed; Shasta National Forest, Highway 97 1066 Comment
  CAS-BOT-BC499658  Kopsiopsis strobilacea John Thomas Howell 1939-8-6 15096 Siskiyou Marble Mts.: Elk Mt. Comment
  CAS-BOT-BC340378  Kyhosia bolanderi Louis C. Wheeler 1934-8-10 3103 Siskiyou Dead Cow Creek, Siskiyou Mts. 1828 Comment
  UC1045298  Kyhosia bolanderi W. B. Cooke 1940-8-2 15408 Siskiyou meadows Wagon Camp; Mount Shasta Comment
  CAS-BOT-BC340611  Lactuca serriola R. E. Frenkel 1964-10-2 872 Siskiyou On north-east side of Everitt Memorial Highway near Mount Shasta 1615 Comment
  JEPS24813  Lagophylla ramosissima Rimo Bacigalupi with Drs. Reino and Aloha Alava 1958-9-2 6824 Siskiyou 7 mi e of Callahan 1127 Comment
  CAS-BOT-BC341701  Lagophylla ramosissima Louis C. Wheeler 1934-7-16 2905 Siskiyou Gottville, Klamath River, Siskiyou Mts. 563 Comment
  UC398681  Lathyrus brownii A. A. Heller 1927-5-14 14378 Siskiyou near w base Mount Shasta (about the base of Black Butte); , Black Butte Comment
  SEINET3131408  Lathyrus californicus G. D. Butler 1910-7-6 1644 Siskiyou Shackleford Creek 914 Comment
  HSC42971  Lathyrus polyphyllus J. O. Sawyer, Ken Stillman 1976-5-29 2745 Siskiyou Along Specimen Creek 915 Comment
  RSA78674  Lathyrus polyphyllus P. A. Munz 1952-7-1 17867 Siskiyou Baldy Mtn road, NW of Happy Camp, Siskiyou Mts. 1220 Comment
  UC1023839  Lemna turionifera Douglas Barbe 1955-6-29 50 Siskiyou 4.1 mi se of Etna (on the Eastside Road, Klamath Mountains); Klamath Mountains 914 Comment
  CDA36979  Lepidium campestre CDFA Staff 12 Siskiyou Mt. Shasta. 0 Comment
  UCD115479  Lepidium densiflorum R. Tofsrud Date unknown s.n. Siskiyou location unknown. Comment
  CAS-BOT-BC89830  Lepidium montanum A. A. Heller 1928-6-9 14610 Siskiyou Along the Pacific Highway between Gazelle and Grenada. Comment
  CDA17127  Lepidium perfoliatum G. F. Hrusa, T. D. Wilfred 2001-6-5 15841 Siskiyou Shasta Valley; at northbound exit from I-5 at Louie Rd. 829 Comment
  SEINET5342023  Lepidium virginicum var. medium G. Butler 1910-6-27 1612 Siskiyou Yreka Creek. Comment
  CHSC40747  Leptosiphon ciliatus A. A. Heller 1938-7-12 15247 Siskiyou Five miles north of Weed on U.S. Highway #97. Comment
  HSC45992  Leptosiphon ciliatus J. P. Smith, Steve Selva 1970-6-16 4002 Siskiyou 5 mi. from Hwy. 3 on Rd. 8 to Sugar Creek. 1189 Comment
  RSA601533  Leptosiphon filipes L. C. Wheeler 1935-5-4 3455 Siskiyou Siskiyou Mts. 854 Comment
  POM253567  Lesquerella occidentalis C. L. Hitchcock, J. S. Martin 1939-7-9 5305 Siskiyou N side of Black Mt. near Marble Mt. (King s Castle). 2073 Comment
  POM96126  Lesquerella occidentalis Geo. D. Butler 1910-5-15 1342 Siskiyou Greenhorn Mtn Comment
  JEPS53797  Lesquerella occidentalis subsp. occidentalis W. L. Jepson 1907-7-5 2835 Siskiyou Marble Mt. Comment
  UC165407  Lessingia nemaclada Geo. D. Butler 342 Siskiyou near Greenview Comment
  HSC43145  Lessingia nemaclada Ken Stillman 1976-8-24 412 Siskiyou E and N slopes of Williams Point 366 Comment
  CAS-BOT-BC508371  Leucocrinum montanum Elmer I. Applegate 1936-5-2 10208 Siskiyou Crater of Caldwell Butte, Lava Beds National Monument Comment
  CAS-BOT-BC58262  Leucothoe davisiae Ira L. Wiggins 1955-7-27 13563 Siskiyou Caribou Lake, Salmon-Trinity Alps Primitive Area. 2042 Comment
  HSC31990  Leucothoe davisiae Steve Selva, Roger Jensen 1974-8-16 15 Siskiyou W end of Sugar Lake Comment
  RSA211450  Leucothoe davisiae William J. Ferlatte 1966-8-3 279 Siskiyou Trinity Alps: Josephine Lake basin 1677 Comment
  SEINET4903945  Lewisia columbiana Jack Seely 1991-5-27 s.n. Siskiyou Klamath National Forest, West Branch (2200 ft) Forest service Camp Ground, Poker Flats (5200 ft) a high mountain meadow. Comment
  RSA760545  Lewisia cotyledon R. F. Thorne, Frederick W. Oettinger 1969-8-4 63369 Siskiyou Klamath National Forest, Salmon Mountains, Marble Mountain Wilderness Area, high lake basins in the vicinity of English Peak Comment
  CAS-BOT-BC444040  Lewisia cotyledon var. cotyledon Harley P. Chandler 1901-6-1 1594 Siskiyou North Coast Ranges. Near Marble Mountain 2286 Comment
  CAS-BOT-BC444057  Lewisia cotyledon var. cotyledon Ira L. Wiggins 1955-7-27 13538 Siskiyou Caribou Lake, Salmon-Trinity Alps Primitive Area 2042 Comment
  UC1736073  Lewisia leeana Dean W. Taylor 1988-7-9 9948 Siskiyou Castle Lake region, in cirque and ridgetop above Heart Lake 1950 Comment
  UC52210  Lewisia rediviva W. T. Mooney 1908-5-28 Siskiyou Yreka Comment
  HSC77041  Lewisia triphylla K. T. Stillman 1976-6-25 24 Siskiyou Marble Mtn. Wilderness Area, Marble Valley 1829 Comment
  UC1137018  Leymus cinereus August L. Hormay 1932-7-15 Siskiyou Weed Valley Comment
  CAS-BOT-BC283815  Leymus cinereus A. A. Heller 1905-6-19 s.n. Siskiyou Grenada Station Comment
  UC803924  Leymus triticoides G. L. Stebbins Jr. with P. Dansereau, C. McMillan, and K. Narayan 1949-8-8 4016 Siskiyou 3 mi s Grenada (along RR right of way) 792 Comment
  UCD65602  Leymus triticoides Mr. Roseman 1913-1 4 Siskiyou Butte Valley. Comment
  CDA41063  Ligusticum apiifolium G. F. Hrusa 1998-7-5 14689 Siskiyou Siskiyou Mountains; Bear Creek Rd. +- 1/2 mi. N of Hwy 96 and 10 mi. SW of Happy Camp. Sheet 2 of 2 Comment
  HSC96299  Ligusticum grayi Gordon Leppig 1998-8-13 1003 Siskiyou Klamath National Forest, Russian Wilderness, Little Duck Lake Fen 2200 Comment
  SEINET11121078  Lilaeopsis occidentalis L. C. Wheeler 1935-7-3 3645 Siskiyou Shasta River, 2 miles NW Montague. 765 Comment
  RSA12590  Lilium kelleyanum Carl B. Wolf 1934-7-6 5996 Siskiyou 4.7 miles from Mt. Shasta City on Wagon Camp Road, SW slope of Mt. Shasta 1220 Comment
  CAS-BOT-BC509357  Lilium kelleyanum Albert M. Vollmer 1949-7-5 11 -B Siskiyou 7 miles from Callahan on Callahan-Carrville road. Comment
  CAS-BOT-BC130823  Lilium pardalinum R. C. Wooley 1931-6-1 s.n. Siskiyou Shasta Retreat Comment
  SEINET10813742 Image available Lilium pardalinum Lawrence Beane, Vollmer, Albert Michael 1954-7-16 Beane 1266 Siskiyou Siskiyou Mountains near Oregon border west of U.S. Highway 99 Comment
  HSC44604  Lilium pardalinum subsp. vollmeri Laura Witherspoon 1977-7-12 Siskiyou Flint Valley 1341 Comment
  HSC68307  Lilium pardalinum subsp. vollmeri Maralyn A. Renner 1980-7-4 1411 Siskiyou Near trail about 0.25 mi. below Rattlesnake Meadow. 1585 Comment
  RSA297886  Lilium pardalinum subsp. wigginsii W. L. Jepson 1937-7-30 18513 Siskiyou Fork of Dunn Creek, headwaters of the Illinois River, East Fork Comment
  RSA377190  Lilium washingtonianum M. B. Dunkle 1944-7-18 9146 Siskiyou Siskiyou National Forest Comment
  CAS-BOT-BC133027  Lilium washingtonianum subsp. purpurascens Ira L. Wiggins 1955-7-24 13489 Siskiyou Ridge betw. upper reaches of China Creek and Blind Horse Creek 1493 Comment
  UC164043  Lilium washingtonianum subsp. purpurascens Geo. D. Butler 1908-7-12 1113 Siskiyou Humbug Mountain Comment
  CAS-BOT-BC133094  Lilium washingtonianum subsp. washingtonianum L. E. Smith 1913-7-4 s.n. Siskiyou North fork Castle Creek 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
  UC30145  Linanthus filipes W. H. Brewer 1862-9-9 1364 Siskiyou Upper Sacramento, between Camp 97 and 98 Upper Sacramento Comment
  JEPS25586  Linanthus harknessii Rimo Bacigalupi 1959-7-2 7218 Siskiyou near n base of 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 of the Salmon River, Big Flat Campground 1508 Comment
  UC60872  Linanthus nuttallii subsp. nuttallii Harley P. Chandler Jun 1901 1587 Siskiyou near Marble Mountain; North Coast Ranges 1981 Comment
  CDA6303  Linaria genistifolia subsp. dalmatica T. C. Fuller 1962-5-17 8736 Siskiyou East side of Highway 99, across from Pinehurst Motel, south limits of Weed. 0 Comment
  POM229948  Lindernia dubia var. dubia Louis C. Wheeler 1934-9-15 3261 Siskiyou Walker, Klamath River, Siskiyou Mts. (Mt. Diablo Mer.) 518 Comment
  UC5554  Lithocarpus densiflorus W. H. Brewer 1862-6-17 1443 Siskiyou between Camp 98 Soda Springs (at foot of Mt Shasta); Mt. Shasta Comment
  JEPS24622  Lithocarpus densiflorus var. echinoides Rimo Bacigalupi with Drs. Reino and Aloha Alava 1958-8-31 6775 Siskiyou directly opposite Mossbrae Falls (on bank of Sacramento River, between Shasta Retreat and Shasta Springs); Sacramento River 731 Comment
  RSA96939  Lithocarpus densiflorus var. echinoides Percy C. Everett, E. K. Balls 1954-10-10 20261 Siskiyou Hwy 89, 6.8 mi. w. of McCloud on road to the town of Mt. Shasta. 1174 Comment
  UC375362  Lithophragma Geo. D. Butler 1909-5-1 687 Siskiyou Klamath Hills Comment
  RSA184753  Lithophragma glabrum Gilbert Muth 1966-7-8 366 Siskiyou Marble Valley Meadow, Marble Mountains. 1793 Comment
  SJSU6066  Lithophragma heterophyllum R. W. Trivelpiece 1971-6-1 4 Siskiyou East Fork of Horse Cr between White Mt & White Cloud Mt c. 5 mi from Oregon border 1219 Comment
  HSC22240  Lithophragma heterophyllum J. O. Sawyer 1969-7-18 1378 Siskiyou Near South Russian Creek 1890 Comment
  JEPS47536  Lithophragma parviflorum Elna Long 1934-4-26 Siskiyou head of Sacramento River Shasta City (at Summer School of Chico State College); , Shasta City Comment
  CDA40613  Lithospermum californicum Gene Deal 1968-6-11 s.n. Siskiyou Adar Mill prop., Mt Shasta. 0 Comment
  UC1299483  Lithospermum californicum Freed W. Hoffman 1948-7-9 2664 Siskiyou <between Siskiyou Mt. summit and Oregon-Claifornia state line> Waldo-Happy Camp Road Comment
  CAS-BOT-BC269144  Lolium perenne A. A. Heller 1915-7-18 12125 Siskiyou Metcalf's ranch, northeast base of Mt. Eddy 1188 Comment
  HSC29128  Lomatium dissectum var. multifidum Frederick W. Oettinger 1969-7-9 946 Siskiyou High Lake Basins, Marble Mountain Wilderness Area, NW of Upper English Lake 1845 Comment
  UC1483408  Lomatium macrocarpum Maralyn A. Renner 1980-8-7 2423 Siskiyou ridge S of Preston Peak 1950 Comment
  UCR51779  Lomatium macrocarpum M. O'Mera 1974-5-27 484 Siskiyou Along road 47N03. 1284 Comment
  OBI81750  Lomatium macrocarpum Tracey Call, Viola Call 1964-6-22 2279 Siskiyou Montague Rd. 5 miles west of Mt. Hebron town Comment
  SD98968  Lomatium marginatum Darley F. Howe 1977-7-5 4995 Siskiyou 15 miles southeast of Granada 1220 Comment
  CHSC88401  Lomatium nudicaule Jenny Marr 1993-7-1 160 Siskiyou Butte Valley Wildlife Area, +/- 7 air miles NW of the town of MacDoel. Meadow NW of Meiss Lake. 1349 Comment
  HSC39316  Lomatium nudicaule J. P. Smith 1974-5-26 7379 Siskiyou Along FS Rd. 47N03 1524 Comment
  RSA48583  Lomatium nudicaule P. A. Munz 1949-5-18 13305 Siskiyou South of Callahan on road to Trinity Center 1524 Comment
  CAS-BOT-BC217789  Lomatium peckianum L. E. Smith 1913-6-29 422 Siskiyou Mt. Eddy Comment
  JEPS177  Lomatium peckianum Geo. D. Butler 1909-4-14 638 Siskiyou Block 5 Yreka Comment
  SEINET13761959  Lomatium utriculatum R. R. Halse 2016-5-29 9724 Siskiyou Along Hilt Road, E of Hilt. 902 Comment
  UC1731420  Lomatium vaginatum Dean Wm. Taylor with Craig Martz, Joe Molter, Barbara Williams, Julie Nelson 1997-5-4 15983 Siskiyou along Yreka Ditch ca. 4 air mi sw Gazelle (hillslopes of mts., bordering Shasta Valley, China Mountain 7 1/2' USGS quadrangle); Klamath Region, Scott Mountains 960 Comment
  JEPS74560  Lonicera conjugialis W. J. Ferlatte 1966-7-7 191 Siskiyou Caribou Basin Trinity Alps 1981 Comment
  RSA610629  Lonicera interrupta L. C. Wheeler 1934-6-26 2784 Siskiyou Klamath River at Camp Lower; Siskiyou Mts. Mt. Diablo Mer. 762 Comment
  CDA15534  Lotus crassifolius G. F. Hrusa 1998-7-5 14702 Siskiyou Siskiyou Mountains; Cedar Camp Rd. +- 5 mi. E of Weitchpec on Hwy 96. N side of Hwy. Mile 8.8. Comment
  UC1045247  Lotus crassifolius var. crassifolius unknown 1940-7-26 15360 Siskiyou Black Butte Spring Mount Shasta 1219 Comment
  UC1299179  Lotus nevadensis var. nevadensis Freed W. Hoffman 1950-7-14 3628 Siskiyou Baldy Mountain, w Siskiyou County North Coast Ranges Comment
  CAS-BOT-BC94432  Lotus oblongifolius var. oblongifolius R. C. Wenk 2005-7-18 268 Siskiyou Scott Mountains, border between Trinity and Siskiyou Counties. Growing along Pacific Crest Trail, 1/2 mile E of Hwy 3 1900 Comment
  RSA105529  Lotus unifoliolatus G. D. Barbe 025 Siskiyou 1.8 miles north of Callahan. 1006 Comment
  RSA32901  Lotus unifoliolatus A. A. Heller 1927-8-2 144398 Siskiyou Shasta Valley. Comment
  HSC666  Lotus unifoliolatus var. unifoliolatus William J. Ferlatte 1967-7-9 682 Siskiyou Kidd Creek Trail 1768 Comment
  JEPS65175  Lotus wrangelianus W. L. Jepson 1940-6-22 19969 Siskiyou near Hornbrook; Cottonwood Creek 670 Comment
  CAS-BOT-BC140211  Luetkea pectinata Ken Berg; Stephanie Bennett 1986-8-25 639 Siskiyou Salmon-Trinity Alps Wilderness, Headwaters of Little South Fork of Salmon River; above Little S. Fk. Lake 2286 Comment
  CAS-BOT-BC140249  Luetkea pectinata Ira L. Wiggins 1955-7-29 13571 Siskiyou Pass at SW end of Caribou L., Salmon-Trinity Alps Primitive Area 2072 Comment
  RSA624978  Luetkea pectinata Louis C. Wheeler 1963-8-25 8274 Siskiyou Preston Peak: Summit ridge. 2134 Comment
  HSC32762  Lupinus albicaulis Frederick W. Oettinger 1969-8-19 1462 Siskiyou Marble Mtn. Wilderness Area, Abbott's Lake. 1860 Comment
  UC157024  Lupinus albicaulis var. shastensis Geo. D. Butler 1908-7-20 371 Siskiyou Humbug Creek Comment
  UC454636  Lupinus albicaulis var. shastensis I. J. Condit 1911-7-10 Siskiyou Shasta Retreat Comment
  POM11364  Lupinus albicaulis var. shastensis C. P. Smith 1922-8-9 3728 Siskiyou Sisson, Mt. Shasta. 2287 Comment
  CDA16170  Lupinus albifrons G. F. Hrusa, T. D. Wilfred 1999-5-31 15069 Siskiyou Klamath Ranges; E side of I-5 at Klamath R. rest area +- 10 mi N of Yreka 640 Comment
  SBBG13892  Lupinus albifrons H. and M. Dearing 1939-7-3 3812 Siskiyou Mt Etna 1219 Comment
  SEINET7042819 Image available Lupinus albifrons A. G. Vestal 1955-5-16 s.n. Siskiyou Ca 2.2 miles west of Weed on a secondary road east of Route 99. Weed quadrangle UTM Zone 10, 547751mE, 4586681mN. Comment
  CAS-BOT-BC196328  Lupinus albifrons var. flumineus Charles Piper Smith 1949-4-22 49135 Siskiyou Highway 99 - Klamath River Bridge, 3.9 miles south - Shasta River Canyon Comment
  SEINET10838377  Lupinus albifrons var. flumineus Katherine L. Morris 1973-5-25 Morris 281 Siskiyou 9.5 miles ne of the junction of hwy 97 and 5 on us 97, in an area of Arctostaphylos and juniper Comment
  UCD106687  Lupinus argenteus Robert E. Preston 1995-6-18 872 Siskiyou ca. 3 mi ese of Hornbrook, in oak woodland adjacent to Ager Rd; (Copco 15' quad). 701 Comment
  HSC43859  Lupinus bicolor Maralyn O'Meara 1974-5-25 369 Siskiyou Along Rd. 8, 0.9 mi. from its junction with Hwy. 3 976 Comment
  CAS-BOT-BC215174  Lupinus croceus H. P. Bracelin 1931-6-21 466 Siskiyou N side of Mount Eddy, Dobkin's Lake, Near Mount Shasta City 1828 Comment
  CAS-BOT-BC215189  Lupinus croceus Roxana S. Ferris; Laura Lorraine 1948-6-12 11810 Siskiyou At Mule Creek Crossing of Scott Mountain Road 1524 Comment
  SEINET10870978  Lupinus croceus Melvin L. Conrad, David B. Dunn; Patricia L. Kenney 1973-6-2 Conrad 6988 Siskiyou Yellow pine, libocedrus, douglas fir, western hemlock forest, 17.4 mi. Ne of Cecilville store, on rd. To callahan. 2073 Comment
  CAS-BOT-BC94416  Lupinus croceus R. C. Wenk 2005-7-15 229 Siskiyou Trinity Alps, above South Fork of the Salmon River, along the Yellow Rose Mine trail, near mines around 2103 Comment
  RSA372142  Lupinus croceus P. Kenney, Conrad, Dunn, O. Kenney 1973-6-4 384 Siskiyou Along road from Cecilville to Callahan; 6.4 mi W of Callahan. 1738 Comment
  SD125491  Lupinus croceus var. croceus P. Kenney, M. L. Conrad, D. B. Dunn 1973-6-4 384 Siskiyou 6.4 miles west of Callahan, on steep roadbank along road from Cecilville to Callahan 1737 Comment
  SEINET10490742  Lupinus croceus var. croceus Thomas W. Nelson, Jane P. Nelson 1982-7-28 Nelson 7251 Siskiyou Siskiyou-Trinity County line. China Mountain quad. Along W side of forest service red. 42N17 at summit above Dead Fall Meadow. Jeffrey pine woodland over serpentine. 2073 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
  UC1481294  Lupinus croceus var. pilosellus M. L. Conrad, Dunn, and Kenney 1973-6-2 6988 Siskiyou on road to Callahan, ne Cecilville Store; ne of Cecilville Store 2072 Comment
  SEINET8042186  Lupinus formosus G. D. Butler 1910-4-19 1201 Siskiyou Near Yreka Comment
  POM229175  Lupinus latifolius subsp. viridifolius Louis C. Wheeler 1935-6-13 3573 Siskiyou Shackleford Creek, Marble Mts. 976 Comment
  UC162166  Lupinus latifolius var. viridifolius Geo. D. Butler 1908-8-5 374 Siskiyou Woolly Creek above Cold Spring; above Cold Spring, Woolly Creek Comment
  SEINET10485457 Image available Lupinus latifolius var. viridifolius A. Arthur Heller 1905-6-1 Heller 7928 Siskiyou Between Dunsmuir and Upper Soda Spring. Comment
  CAS-BOT-BC8340  Lupinus lelandsmithii L. E. Smith 1913-5-4 253 Siskiyou Hornbrook Comment
  UC157028  Lupinus lepidus var. lobbii Geo. D. Butler 1910-9-11 1867 Siskiyou Weed Comment
  JEPS57167  Lupinus lepidus var. sellulus L. R. Heckard 1967-8-13 1706 Siskiyou Mt. Eddy 2743 Comment
  UC157026  Lupinus lepidus var. sellulus Geo. D. Butler 1908-8-2 368 Siskiyou Shackleford Creek edge Quartz Valley; Shackleford Creek edge of Quartz Valley Comment
  HSC45900  Lupinus luteolus Laura Witherspoon 1978-8-24 107 Siskiyou Klamath National Forest 1646 Comment
  SEINET7040262 Image available Lupinus microcarpus var. microcarpus A. G. Vestal 1963-6-1 s.n. Siskiyou Ca 1 mile southeast of Hornbrook. Hornbrook Quadrangle. UTM Zone 10, 538602mE, 4638284mN. Comment
  RSA105766  Lupinus obtusilobus W. Bridge Cooke 1938-8-21 11545 Siskiyou Horse Camp Mt. Shasta. 2591 Comment
  SEINET10862660 Image available Lupinus onustus A. Arthur Heller 1905-6-15 Heller 8037 Siskiyou Near Sisson. Comment
  JEPS93878  Lupinus polyphyllus var. burkei Vernon H. Oswald and Lowell Ahart 1998-7-21 9330 Siskiyou 0.5 mi w of the Old State Highway to Bray (ne of Weed on Tennant Road 4.5 mi e of Highway 97); Tennant Road 1417 Comment
  JEPS75359  Lupinus polyphyllus var. polyphyllus Geo. D. Butler 1908-6-28 376 Siskiyou Oro Fino, L. Eastlick's Meadow Oro Fino Comment
  HSC68532  Lupinus sellulus var. artulus Maralyn A. Renner 1980-6-24 1071 Siskiyou 1/2 mi. E of Cook and Green Pass 1555 Comment
  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
  POM26284  Lupinus subvexus var. transmontanus Geo. D. Butler 1910-5-21 1373 Siskiyou Klamath hills Comment
  HSC69299  Luzula comosa Maralyn A. Renner 1980-7-24 1990 Siskiyou Pacific Crest Trail above Lily Pad Lake 1799 Comment
  UC2977  Luzula comosa Harley P. Chandler June, 1901 1567 Siskiyou ridges and meadows near Marble Mountain; North Coast Ranges, near Marble Mountain 1828 Comment
  HSC660  Luzula comosa William J. Ferlatte 1967-7-8 675 Siskiyou Along S Fork of Salmon River between the campground and Carter's 1524 Comment
  CAS-BOT-BC436699  Luzula comosa var. laxa Wm. Bridge Cooke 1939-7-7 13602 Siskiyou Mt. Shasta: between Bear Springs and Wagon Camp 1676 Comment
  UC796535  Luzula comosa var. laxa Roxana S. Ferris and Laura Lorraine Jun 12 -16, 1948 11743 Siskiyou French Creek Logging Road west of Callahan 1066 Comment
  RSA605980  Luzula comosa var. laxa L. C. Wheeler 1934-6-12 2691 Siskiyou Hungry Creek Lookout, Siskiyou Mountains. (Mt. Diablo Mer.) 1463 Comment
  UC843143  Luzula parviflora Louis C. Wheeler 1934-6-18 2726 Siskiyou Cottonwood Creek Siskiyou Mts., Cottonwood Creek 1310 Comment
  OBI2049  Lysimachia latifolia J. H. Applegarth 1969-6-22 s.n. Siskiyou Jctn of Cow Crk and Grouse Crk 914 Comment
  POM261536  Machaeranthera canescens var. shastensis Alice Eastwood 1912-7-16 1120 Siskiyou Mt. Cloud. Comment
  POM52120  Machaeranthera canescens var. shastensis George B. Grant 1902-9-7 5111 Siskiyou Mt. Shasta 2439 Comment
  RSA233706  Machaeranthera canescens var. shastensis R. F. Thorne, Fred Oettinger 1969-8-10 38945 Siskiyou Mt. Shasta National Forest: Southwest slope of Mt. Shasta along Ski Bowl Road. 1280 Comment
  POM56187  Madia bolanderi E. B. Copeland 1903-8-15 3882 Siskiyou Sisson 1067 Comment
  POM362227  Madia citriodora Chadwick, Chadwick 1911-07 s.n. Siskiyou Shasta Springs. Comment
  CAS-BOT-BC344016  Madia elegans Carl B. Wolf 1927-8-26 1052 Siskiyou On the Klamath River, 3 mi. below Gottville Comment
  CAS-BOT-BC343994  Madia elegans Louis C. Wheeler 1934-9-18 3280 Siskiyou Klamath River near Beaver Creek, Siskiyou Mts. 548 Comment
  CHSC71473  Madia exigua Vernon H. Oswald; Lowell Ahart 1998-7-12 9355 Siskiyou Northeast of Weed, east of Grass Lake, and west of Bray on Old State Highway 0.8 mi east of Tennant Rd. 1417 Comment
  HSC43032  Madia exigua J. O. Sawyer, Ken Stillman 1976-7-2 2805 Siskiyou Ridges E of the Little N Fork Trail 732 Comment
  RSA21196  Mahonia aquifolium C. B. Wolf 1937-8-9 9084 Siskiyou Siskiyou Mts., 4 7/10 mi. from Oak Knoll Ranger Station on road to Dry Lake Lookout. 1220 Comment
  RSA78676  Mahonia nervosa P. A. Munz 1952-7-1 17868 Siskiyou Baldy Mt. road n.w. of Happy Valley, Siskiyou Mts. 1220 Comment
  SJSU6506  Maianthemum racemosum R. W. Trivelpiece 1972-6-15 121 Siskiyou Vann Creek near Bear Peak c. 15 mi SW of Happy Camp 1280 Comment
  RSA238989  Maianthemum racemosum Frederick W. Oettinger 1966-6-27 29 Siskiyou 400 yeards up road from Crawford Creek Guard Station, Salmon River District, Klamath National Forest, Cecilville Comment
  CAS-BOT-BC514185  Maianthemum stellatum Wm. Bridge Cooke 1938-7-1 11148 Siskiyou Mount Shasta, Below Wagon Camp 1706 Comment
  JEPS93957  Malva neglecta Vernon H. Oswald and Lowell Ahart 1998-9-16 9643 Siskiyou 5.9 mi e of Highway 97 (Highway 161 at the Lower Klamath National Wildlife Refuge) 1243 Comment
  HSC176  Malva neglecta William J. Ferlatte 1966-8-3 261 Siskiyou Mtn. Meadow Ranch 1524 Comment
  SBBG27134  Marah oregana L. C. Wheeler 1934-8-2 3026 Siskiyou Alnus meadow, Jaynes Cyn, Siskiyou Mtns 1828 Comment
  RSA715947  Marrubium vulgare L. Ahart, John Dittes 2005-6-10 12106 Siskiyou East side of the Shasta River, 20 yards south of the pump house along the Shasta River, about 1.9 miles (air) south of Highway 99/97 cutoff, about 6 miles (air) east-southeast of Grenada. 777 Comment
  CAS-BOT-BC67849  Marsilea vestita Louis C. Wheeler 1934-10-14 3323 Siskiyou Siskiyou Mountains - Shasta River 2 mi. below Yreka Creek - Mt. Diablo Mer. 670 Comment
  CHSC71466  Marsilea vestita subsp. vestita Vernon H. Oswald; Lowell Ahart 1998-7-21 9337 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
  UC163675  Medicago lupulina Geo. D. Butler 1908-6-20 1039 Siskiyou along creek near Yreka Comment
  RSA416000  Melica M. B. Dunkle 1945-7-24 9248 Siskiyou Klamath National Forest; Marble Mountains; Whiskey Camp. Comment
  CAS-BOT-BC269234  Melica aristata A. A. Heller 1921-7-5 13563 Siskiyou At the State Teachers College near Mt. Shasta Comment
  CAS-BOT-BC282074  Melica fugax Geo. D. Butler 1910-4-30 1251 Siskiyou Yreka Comment
  POM299029  Melica harfordii Marion Ownbey, Fred G. Meyer 1940-7-7 2217 Siskiyou Near summit of Cayenne Ridge, Marble Mountain. Comment
  RSA602387  Melica spectabilis L. C. Wheeler 1935-7-26 3701 Siskiyou Siskiyou Mountains: Jaynes Canyon. 1951 Comment
  RSA403531  Melica subulata M. B. Dunkle 1945-1 9340 Siskiyou Klamath National Forest, Marble Mountains. 2439 Comment
  UCD88666  Melica subulata S. S. Tillett 1956-7-11 688 Siskiyou On the border of Trinity County. North side of Scott Mtn. divide near campground. 8 mi. se. of Callahan. 1615 Comment
  CHSC72237  Mentha canadensis Vernon H. Oswald; Lowell Ahart 1998-9-16 9635 Siskiyou Hwy. 161 adjacent to a marsh at the Lower Klamath NWR 5.3 mi east of Hwy. 97. 1231 Comment
  UCLA58369  Mentha spicata Louis C. Wheeler 1934-9-22 3301 Siskiyou Klamath River Walker (Walker); Siskiyou Mts., Klamath River 518 Comment
  UC618717  Mentzelia dispersa W. B. Cooke 1937-7-23 9127 Siskiyou Sisson Southern Trail Chaparral Mount Shasta Comment
  CHSC30657  Micranthes bryophora M. S. Taylor 1980-7-8 3095 Siskiyou S end of Little Castle Lake. 1767 Comment
  CAS-BOT-BC428977  Micranthes ferruginea K. T. Stillman 1976-7-31 351 Siskiyou Marble Mountain Wilderness Area. East-facing ridge north from Black Mt. towards Jump off point. 2103 Comment
  UCD102748  Micranthes fragosa John M. Tucker 1963-7-7 3727 Siskiyou Vicinity of Paradise Lake, at the east base of King's Castle, Marble Mountain Wilderness Area. 1981 Comment
  CAS-BOT-BC348420  Micropus californicus var. californicus J. H. Thomas 1954-5-13 4148 Siskiyou Southwestern Siskiyou County. Salmon Mountains, Klamath National Forest. Near South Fork of Salmon River, 5 to 9 miles southeast of Cecilville, between Lat. 41 deg. 03' and 41 deg. 06' N., and Long. 122 deg. 58' and 123 deg. 03' W. Along Rush Creek 1127 Comment
  UC166151  Micropus californicus var. californicus Geo. D. Butler 1910-5-7 1297 Siskiyou Yreka Comment
  CDA8390  Microseris laciniata subsp. laciniata T. C. Fuller 1958-6-19 1823 Siskiyou Highway 99, 3 miles south of Gazelle. 0 Comment
  HSC837  Microseris nutans William J. Ferlatte 1967-7-9 694 Siskiyou Kidd Creek Trail 1982 Comment
  UC1190270  Microseris nutans Ira L. Wiggins 1955-7-27 13520 Siskiyou Caribou Lake Salmon-Trinity Alps Primitive Area 2042 Comment
  UCD77864  Microseris nutans Robert E. Preston 2002-6-20 1838 Siskiyou Klamath National Forest, Rainbow Mountain, W ridge, on E-facing slope. 1946 Comment
  RSA120818  Microsteris gracilis subsp. gracilis G. D. Barbe 1955-7-6 128 Siskiyou SE shore of Taylor Lake, Salmon Mtns. 1951 Comment
  UCD122135  Mimulus alsinoides Sandy Holloway 1963-4-11 35 Siskiyou Indian campground, Clement's Ranch, ca. 4 miles northwest of Montague. 762 Comment
  UC164368  Mimulus breweri Geo. D. Butler 1910-7-9 1733 Siskiyou Upper Campbell Lake Shackleford Creek 1371 Comment
  RSA237539  Mimulus breweri Frederick W. Oettinger 1967-7-26 186 Siskiyou Stream bank below spring at Tom Taylor Cabin. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2049 Comment
  HSC420  Mimulus guttatus William J. Ferlatte 1966-8-17 401 Siskiyou NW side of Caribou Mtn. 1982 Comment
  POM43854  Mimulus guttatus Geo. D. Butler 1910-7-13 1771 Siskiyou Shackleford Creek. 1220 Comment
  RSA237547  Mimulus guttatus Frederick W. Oettinger 1969-9-4 1671 Siskiyou At spring at Tom Taylor Cabin. The Salmon Mountains. The High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2049 Comment
  RSA447947  Mimulus guttatus M. B. Dunkle 1944-7-18 9137 Siskiyou Siskiyou National Forest. Comment
  JEPS8234  Mimulus layneae W. L. Jepson 1894-8-9 34 m Siskiyou above Shasta Springs (Horseshoe Bend); Shasta Region Comment
  JEPS4201  Mimulus layneae A. A. Heller 1938-7-12 15248 Siskiyou 5 mi n Weed (on U. S. Highway #97) 1066 Comment
  UC726059  Mimulus layneae A. A. Heller 1938-7-12 15248 Siskiyou 8 mi n Weed (on U. S. Highway #97) Comment
  JEPS11712  Mimulus microphyllus F. W. Pennell 1940-6-20 26203 Siskiyou w Bartle (Route 89) 1158 Comment
  HSC423  Mimulus moschatus William J. Ferlatte 1966-8-3 282 Siskiyou Josephine Lake Basin 1677 Comment
  POM43511  Mimulus moschatus var. moniliformis Geo. D. Butler 1910-6-5 1511 Siskiyou Log Lake, Shackleford Creek. Comment
  RSA50146  Mimulus moschatus var. moniliformis E. K. Balls 1949-7-9 13935 Siskiyou 8.3 miles from Etna on road to Sawyer's Bar. Comment
  HSC91020  Mimulus nanus Jennifer Whipple 1977-8-4 2147 Siskiyou Trinity and Siskiyou Counties: Summit region of Mt. Eddy 2622 Comment
  UC718166  Mimulus nanus var. jepsonii Carl B. Wolf 1934-7-6 6005 Siskiyou 5.4 mi from Mt. Shasta City (on Wagon Camp Road, sw slope of mt.); Mt. Shasta 1219 Comment
  HSC426  Mimulus nanus var. nanus William J. Ferlatte 1966-8-18 409 Siskiyou 3 mi. S of Big Flat 1585 Comment
  RSA82884  Mimulus primuloides J. M. Tucker 1950-7-24 1950 Siskiyou Beside Cold Creek at the Militry Road crossing about 6 miles northwest of Pilgrim Creek Experiment Station, east side of Mt. Shasta. Comment
  UC1409384  Mimulus primuloides subsp. primuloides Frederick W. Oettinger 1968-8-14 519 Siskiyou Bear Meadow Salmon Mountains, Marble Mountain Wilderness Area, Tom's Lak (w Siskiyou Co., high lake basins in vicinity of English Peak) 2186 Comment
  CHSC57425  Minuartia douglasii L. P. Janeway 1984-6-22 868 Siskiyou Ca 1 mi north of Scott Summit on Road 40N08. 1645 Comment
  RSA120887  Minuartia douglasii Milo S. Baker 1957-6-16 13165 Siskiyou Trip to Scott Mt. after turn off near Callahan. Comment
  HSC70603  Minuartia nuttallii J. O. Sawyer, R. J. Cole 1981-7-2 4150 Siskiyou Near Scott Mtn. Campground 1585 Comment
  SFV1205  Minuartia nuttallii subsp. gracilis D. Parker 1953-8-3 155 Siskiyou Above cabin Meadow Creek, near Cory Peak. 1982 Comment
  HSC101484  Minuartia nuttallii subsp. gregaria J. P. Smith, J. O. Sawyer, R. J. Cole 2010-7-11 13001 Siskiyou Along Gazelle-Callahan Road. Klamath National Forest 1708 Comment
  JEPS84228  Minuartia nuttallii subsp. gregaria L. R. Heckard with S. D'Alcamo, J. Hickman, and S. Winchester 1986-7-16 6343 Siskiyou ca 7 mi nne Seiad Valley (sw of Cook and Green Pass, ca 1/2 mi se of Red Butte) 1730 Comment
  UC673160  Mirabilis greenei Lincoln Constance and Reed C. Rollins 1942-5-14 2929 Siskiyou 4 mi n Yreka (Shasta River); Klamath-Siskiyou Region 762 Comment
  CDA23865  Mirabilis greenei D. L. Janssen, F. D. Horn 1978-5-22 Siskiyou Montague-Ager Road, Montague. 0 Comment
  UC420430  Mitella pentandra Milo S. Baker 1899-7-31 Siskiyou above Warren and Anderson's Mill; Mt. Shasta, Ash Creek Comment
  JEPS1217  Mitella pentandra Freed Hoffman 1951-7-12 4034 c Siskiyou Hammond's Stock-raising Camp Marble Mountains, Kelsey Creek (about 8 mi above Scott River, w Siskiyou Co.) 1524 Comment
  HSC61891  Mitella trifida Ruby Van Deventer 1959-7-9 Siskiyou Poker Flat 1585 Comment
  RSA468285  Mitella trifida M. B. Dunkle 1944-6-26 9054 Siskiyou Deer Creek. 1829 Comment
  SEINET3152593  Monardella odoratissima subsp. glauca G. B. Grant 796 Siskiyou Mount Shasta. 2438 Comment
  UC932681  Monardella odoratissima subsp. glauca W. Bridge Cooke 1949-8-26 25665 Siskiyou along logging road above Bolam Station; Mount Shasta Comment
  UCD125202  Monardella odoratissima subsp. glauca K. M. Meyer; A. Townesmith 2007-8-2 186 Siskiyou Klamath National Forest; 10.1 miles on National Forest Road 70, off Highway 97 toward Oregon. 1956 Comment
  CAS-BOT-BC220363  Monardella odoratissima subsp. pallida Alice Eastwood 1921-7-29 10978 Siskiyou Bear Spring on road to Medicine Lake Comment
  POM257708  Monardella odoratissima subsp. pallida C. L. Hitchcock, J. S. Martin 1939-7-6 5213 Siskiyou on Takilma-Happy Camp Road 1677 Comment
  CAS-BOT-BC220236  Monardella sheltonii Dr. E. B. Copeland 1903-7-6 3497 Siskiyou Hornbrook Comment
  CHSC32899  Monardella siskiyouensis J. P. Smith; Steve Selva 1970-6-15 3929 Siskiyou 8 miles southeast of Forks of Salmon on road to Cecilville. 457 Comment
  RSA0022799  Monardella villosa Clare B. Hardham 1965-8-17 13070 Siskiyou 4-5 miles southwest of Klamath River. Orleans - Eureka road. Comment
  CAS-BOT-BC453476  Monotropa hypopitys Elmer I. Applegate 1923-8-18 3855 Siskiyou West slope of Redshale Mountain, east of Medicine Lake 2133 Comment
  RSA238382  Monotropa hypopitys Frederick W. Oettinger 1968-8-7 430 Siskiyou Forest at base camp mid trail betw Diamond Lake & Hancock Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2012 Comment
  HSC60814  Montia linearis Ruby Van Deventer 1960-7-8 Siskiyou Bell Echo (Bell Echo Camp), in Youngs Valley Comment
  JEPS43194  Montia parvifolia Milo S. Baker 1923-8-14 248 a Siskiyou Siskiyou National Forest, Smith River Division, Camp 6 Smith River Division; Siskiyou National Forest, , Camp 6 Comment
  RSA654054  Muhlenbergia andina Beecher Crampton 1956-8-21 3837 Siskiyou Lower slopes of White Ridge, canyon of the South Fork of the Sacramento River. Comment
  UCD86564  Muhlenbergia asperifolia R. Tofsrud 1949-8-4 s.n. Siskiyou between Grenada and Gazelle, Hwy. 99. Comment
  SEINET10596045  Muhlenbergia asperifolia George D. Butler 1910-8-21 Butler 1848 Siskiyou Damp soil, Shasta Valley. Comment
  RSA239103  Muhlenbergia filiformis Frederick W. Oettinger 1969-9-1 1575 Siskiyou Sandy margin of Katherine Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2027 Comment
  RSA602588  Muhlenbergia filiformis L. C. Wheeler 1935-7-26 3703 Siskiyou Siskiyou mountains: Jaynes Canyon 1951 Comment
  UC204922  Muhlenbergia filiformis unknown 11704 Siskiyou near Deetz Station (6 mi n of Sisson) Comment
  SEINET10599809  Muhlenbergia filiformis H. E. Brown 1897-6-11 Brown 425 Siskiyou North side Mt. Shasta. 1524 Comment
  CAS-BOT-BC262585  Muhlenbergia jonesii John R. Reeder; Charlotte G. Reeder 1972-7-24 5807 Siskiyou 1.5 miles SSE of Bartle 1219 Comment
  CAS-BOT-BC275341  Muhlenbergia jonesii W. B. C. 1938-7-29 11401 Siskiyou Above Bear Springs Comment
  UCR21088  Muilla transmontana T. W. Fisher, Earl Oatman, R. E. Orth 1974-6-26 s.n. Siskiyou McIntosh Ranch on the McCloud River near Bartle 1220 Comment
  CDA5594  Myosotis micrantha G. D. Barbe, J. T. Howell, T. C. Fuller 1980-4-29 2625 Siskiyou 0.4 km northeast of Oro Fino. Comment
  JEPS1363  Nama lobbii Milo S. Baker 1893-6 Siskiyou s base Mt. Shasta Comment
  RSA68891  Nama lobbii A. E. Culbertson 1943-7-10 66 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
  POM230340  Nama lobbii L. S. Rose 1937-7-25 37597 Siskiyou Mt. Shasta City. 1159 Comment
  CHSC96709  Narthecium californicum Gordon Leppig 1998-8-14 1011 Siskiyou Klamath National Forest, Russian Wilderness, Little Duck Lake Fen. Subalpine fen in cirque west of Little Duck Lake. NAD 27 UTM Zone 10, 503813E, 4572466N. 2200 Comment
  HSC96303  Narthecium californicum Gordon Leppig 1998-8-14 1011 Siskiyou Klamath National Forest, Russian Wilderness, Little Duck Lake Fen, cirque W of Little Duck Lake 2200 Comment
  HSC96412  Narthecium californicum Gordon Leppig, J. Kalt 1996-7-9 366 Siskiyou Klamath National Forest, Russian Wilderness, cirque W of Little Duck Lake 2200 Comment
  HSC44289  Navarretia intertexta J. P. Smith, Steve Selva 1970-8-8 4551 Siskiyou Juanita Lake Comment
  SBBG25928  Navarretia intertexta D. Myrick 1966-8-8 1480 Siskiyou Mountain Meadow Ranch, Big Flat 1524 Comment
  UC163989  Navarretia intertexta Geo. D. Butler 1909-6-5 998 Siskiyou near Yreka Comment
  HSC13616  Nemophila heterophylla L. C. Wheeler 1935-6-1 3538 Siskiyou Yreka Creek 854 Comment
  HSC23551  Nemophila parviflora var. austiniae J. O. Sawyer 1970-7-3 2315 Siskiyou 1402 Comment
  UC164107  Nemophila pedunculata Geo. D. Butler 1910-5-7 1302 Siskiyou around Yreka; around Yreka Comment
  HSC99332  Nepeta cataria C. B. Wolf 1927-8-26 1046 Siskiyou Along Klamath River, 4 mi. N of Gottville Comment
  RSA15791  Nicotiana bigelovii Carl B. Wolf 1927-8-26 1019 Siskiyou Klamath River, 5 miles below Hornbrook. Comment
  RSA60666  Noccaea I. L. Wiggins 1950-5-28 12359 Siskiyou Margins of Carmen Lake, ca. 1.5 miles E of Scott Mtn road. 1738 Comment
  HSC593  Noccaea fendleri subsp. glauca William J. Ferlatte 1967-6-30 585 Siskiyou Along the S Fork of the Salmon River, between the campground and Carter's 1524 Comment
  HSC65269  Noccaea fendleri subsp. glauca Rich White 1978-7-6 249 Siskiyou Pond above Elk Hole 1524 Comment
  UC573272  Nothocalais troximoides M. H. Mitchell 1936-5-8 3 Siskiyou close to Schonchin Butte; Dorris Quad 1371 Comment
  HSC65275  Nothochelone nemorosa Rich White 1978-7-3 201 Siskiyou 0.5 mi. up Dillon Ridge Trail 1715 Comment
  UC637030  Nothochelone nemorosa Edward Lee 1934-8-13 1089 Siskiyou Happy Camp to Waldo (Oregon) Road, Klamath National Forest, watershed of West Branch of Indian Creek West Branch of Indian Creek; Klamath National Forest 1463 Comment
  UC722330  Nuphar lutea subsp. polysepala C. L. Hitchcock, J. S. Martin 1939-7-7 5273 Siskiyou Whiskey Lake 1/2 mi above Camp Chicago (on Sanger Peak Trail); Whiskey Lake, Sanger Peak Trail 1463 Comment
  CHSC1156  Oenothera elata subsp. hirsutissima W. Gorsuch 1935-7-21 Siskiyou Along highway near Mt. Shasta City. 1097 Comment
  CAS-BOT-BC349959  Onopordum tauricum T. C. Fuller 1959-12-10 3324 Siskiyou Fred Voelker ranch, W edge/Meiss Lake Basin, just S/Sam's Neck, ca. 15 mi SW/Dorris Comment
  UCD134660  Onopordum tauricum T. C. Fuller; W. T. Parsons 1960-7-26 4878 Siskiyou Fred Voelker Ranch, west edge of Meiss Lake Basin, just south of Sam's Neck, ca. 15 miles southwest of Dorris. Comment
  CAS-BOT-BC355590  Oreostemma alpigenum var. andersonii L. E. Smith 1913-9-1 550 Siskiyou Mt. Eddy Comment
  CAS-BOT-BC355594  Oreostemma alpigenum var. andersonii A. A. Heller 1915-8-26 12225 Siskiyou Heather Meadow near the head of Wagon Creek Canon [Canyon], Mt. Eddy 2590 Comment
  HSC29218  Oreostemma alpigenum var. andersonii Frederick W. Oettinger, R. F. Thorne 1969-8-4 1180 Siskiyou Marble Mtn. Wilderness Area, N of Tobacco Lake 1890 Comment
  HSC68168  Oreostemma alpigenum var. andersonii J. P. Smith, Steve Selva 1970-7-18 4499 Siskiyou Hanging bog at Kangaroo Lake. 1890 Comment
  UCD77891  Orobanche uniflora Robert E. Preston 2002-6-20 1849 Siskiyou Klamath National Forest, Rainbow Mountain, W ridge. 1968 Comment
  HSC61864  Orogenia fusiformis Ruby Van Deventer Jun 1961 Siskiyou Poker Flat 1585 Comment
  HSC61868  Orogenia fusiformis Ruby Van Deventer 21 May [year missing] Siskiyou Poker Flat 1585 Comment
  HSC19212  Orthilia secunda J. O. Sawyer 1968-9-13 717 Siskiyou W of the Happy Camp/O'Brien Rd. between Louse Creek and Indian Creek, on the E slopes of Little Grayback 1463 Comment
  HSC29321  Orthilia secunda Frederick W. Oettinger 1967-8-3 233 Siskiyou Marble Mtn. Wilderness Area, N facing wooded slope leading down from Little Hancock Lake to Hancock Lake 1982 Comment
  HSC69387  Orthilia secunda Maralyn A. Renner 1980-8-31 2664 Siskiyou Poker Flat at trailhead to Twin Valley 1524 Comment
  CAS-BOT-BC458076  Orthilia secunda Wm. Bridge Cooke 1938-8-5 11457 Siskiyou Mount Shasta: Sisson Southern Trail 1828 Comment
  RSA0083224  Orthilia secunda M. B. Dunkle 1945-7-22 9236 Siskiyou Marble Mts., Klamath National Forest. Comment
  JEPS3005  Orthocarpus cuspidatus subsp. copelandii R. P. Allen 1951-6-24 Siskiyou slopes Lake Mountain (northern end of the Marble Mountains); northern end Marble Mountains, slopes of Lake Mountain 1828 Comment
  UC1282016  Orthocarpus cuspidatus subsp. copelandii Louise Kellogg Aug 8 1953-Aug 9 1953 116 Siskiyou Scott Mountain Public Campground; Klamath National Forest, Scott Mountains 1630 Comment
  HSC29250  Orthocarpus cuspidatus subsp. copelandii Frederick W. Oettinger, R. F. Thorne 1969-8-6 1295 Siskiyou Marble Mtn. Wilderness Area, English Lake region 1829 Comment
  RSA407987  Orthocarpus cuspidatus subsp. copelandii Louis C. Wheeler 1934-7-3 2851 Siskiyou Head of Soda Crk, Sterling Mt, Siskiyou Mtns. 1768 Comment
  JEPS84182  Orthocarpus cuspidatus subsp. cuspidatus L. R. Heckard with J. Hickman et al. 1986-7-17 6516 Siskiyou n slope of Condrey Mountain Condrey Mountain 1960 Comment
  UC903488  Orthocarpus cuspidatus subsp. cuspidatus Dorothy Parker 1948-7-11 101 Siskiyou near Beswick (Shovel Creek); , near Beswick 1011 Comment
  JEPS4515  Orthocarpus imbricatus Alice Eastwood 1912-7-15 1066 Siskiyou McCloud Comment
  SEINET13755310  Orthocarpus imbricatus G. D. Butler 1910-7-8 1680 Siskiyou Shackleford Creek 1372 Comment
  JEPS101144  Orthocarpus pachystachyus Dean W. Taylor 1996-6-18 15721 Siskiyou Scott Mountains; bordering Shasta Valley, base of hillslopes about 4 miles south of Gazelle, about 100 meters upslope from the Yreka Ditch 960 Comment
  HSC4882  Osmorhiza occidentalis J. O. Sawyer 1968-7-23 617 Siskiyou Near Big Flat Campground, Trinity Alps Primitive Area 1524 Comment
  HSC76759  Osmorhiza occidentalis K. T. Stillman 1976-7-14 238 Siskiyou Marble Mtn. Wilderness Area Comment
  SEINET11141888  Osmorhiza occidentalis G. D. Butler 1910-7-7 1668 Siskiyou Shackleford Creek. 1219 Comment
  HSC36605  Oxalis trilliifolia Brent Whiteley 1975-6-29 108 Siskiyou 976 Comment
  CAS-BOT-BC413217  Oxyria digyna Wm. Bridge Cooke 1938-9-8 11651 Siskiyou Mount Shasta. North side of Red Butte Comment
  SJSU2592  Ozomelis trifida H. L. Buckalew 1962-7-9 Siskiyou Poker Flat c. 3 mi W of junction of Indian Cr with W Branch Indian Cr 1143 Comment
  UC585146  Packera cana E. B. Babcock, G. L. Stebbins Jr. 1936-6-11 1880 Siskiyou about 2 mi s Sheep Rock (on highway from Bray to Weed); n slope of Mt. Shasta 1249 Comment
  CAS-BOT-BC317127  Packera streptanthifolia var. streptanthifolia A. A. Heller 1922-6-22 13670 Siskiyou Shasta Valley between Gazelle and Edgewood. Comment
  RSA52141  Paeonia brownii Dorothy Parker 1948-5-18 s.n. Siskiyou West side of Scott Valley 915 Comment
  CHSC71898  Panicum capillare Vernon H. Oswald; Lowell Ahart 1998-9-8 9606 Siskiyou Julia Glover Flat on USFS 3 ca. 6 air mi west of Mosquito Lake and Whitehorse Flat Reservoir. 1112 Comment
  UC196954  Panicum capillare Geo. D. Butler 1910-8-13 1833 Siskiyou Quartz Valley Comment
  CAS-BOT-BC253765  Panicum capillare Geo. D. Butler 1909-9-26 871 Siskiyou Along creek near [illegible] Comment
  RSA202366  Parnassia fimbriata J. M. Tucker, L. K. Mann, S. L. Holloway 1963-8-18 3745 Siskiyou Upper Canyon Creek ca. 1/2 mile NE of the Marble Valley Guard Station, Marble Mountain Wilderness Area. 1921 Comment
  CAS-BOT-BC175608  Parnassia palustris Louis C. Wheeler 1934-8-14 3127 Siskiyou Klamath National Forest. N. side White Mt. 1767 Comment
  CHSC78533  Parnassia palustris Vernon H. Oswald 2000-8-28 9956 Siskiyou Rock Fence Lake Road (40N18) near the junction with Kangaroo Lake Road. 1659 Comment
  JEPS121607  Parnassia palustris Danielle Roach 2011-9-13 Siskiyou Sundew Fen, Caldwell Lakes Basin, headwaters of Park Creek, east slope of China Mountain. Sloping fen, SSE aspect, over gabbro. China Mountain quadrangle. CLS_1C Comment
  UCR70823  Parnassia palustris var. californica L. C. Wheeler 1934-8-14 3127 Siskiyou Siskiyou Mtns, North side of White Mountain 1768 Comment
  CAS-BOT-BC202834  Paxistima myrsinites John Thomas Howell 1952-6-14 2831 Siskiyou Just north of Black Butte Comment
  CAS-BOT-BC202858  Paxistima myrsinites Doris K. Kildale 1929-7-20 8639 Siskiyou Trail up South Fork Indian Creek to Elk Lick Comment
  UC54486  Paxistima myrsinites H. M. Hall and E. B. Babcock June, 1903 4075 Siskiyou near Upton; Sierra Nevada Mts., Mt. Shasta 1219 Comment
  UCSB25631  Paxistima myrsinites Favero, R. 1968-5-15 Siskiyou Old Highway 99, 6 miles south of Weed, Cascade Mountains; at base of Black Butte 1188 Comment
  CHSC1638  Pectiantia pentandra V. Holt 1943-8-13 Siskiyou Marble Mountains. 1828 Comment
  HSC685  Pedicularis attollens William J. Ferlatte 1967-8-20 1063 Siskiyou Caribou Basin 1982 Comment
  UC1282021  Pedicularis attollens Louise Kellogg Aug 8 1953-Aug 9 1953 120 Siskiyou Scott Mountain Public Campground; Scott Mountains, Klamath National Forest 1630 Comment
  UC1001155  Pedicularis attollens Dorothy Parker 1953-7-29 Siskiyou near the summit of Scott Mountain; Siskiyou Mountains, Scott Mountain 1630 Comment
  HSC65021  Pedicularis bracteosa var. flavida D. L. Goforth 1979-7-19 268 Siskiyou Trinity Alps Wilderness Area, Caribou Lakes Basin, 0.5 mi. S of Caribou Lake 2195 Comment
  UC618752  Pedicularis densiflora W. Bridge Cooke 1938-6-24 11098 Siskiyou Mount Shasta 1524 Comment
  RSA238824  Pedicularis flavida Frederick W. Oettinger 1968-8-3 378 Siskiyou Base camp near Diamond Lake. Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2012 Comment
  HSC49937  Pedicularis howellii G. L. Clifton 1979-7-1 6198 Siskiyou Near Poker Flat, close to the town of Happy Camp 1653 Comment
  JEPS3363  Pedicularis howellii W. L. Jepson 1907-7-10 2876 Siskiyou Kelsey Trail near Preston Peak (Onion Patch) 1828 Comment
  HSC699  Pedicularis racemosa William J. Ferlatte 1967-8-23 1101 Siskiyou Head of Kidd Creek 1982 Comment
  JEPS83838  Pedicularis racemosa Wayne Roderick July 1976 Siskiyou vicinity of Cook and Green Pass; Siskiyou Mountains 1463 Comment
  POM208356  Pedicularis racemosa Louis C. Wheeler 1934-6-7 2659 Siskiyou North Hungry Creek, Siskiyou Mts. (Mt Diablo Meridian) 1311 Comment
  RSA425340  Pedicularis racemosa Louis C. Wheeler 1934-8-2 3021 Siskiyou Siskiyou Mountains: Head of Jaynes Canyon. 2073 Comment
  RSA425342  Pedicularis racemosa M. B. Dunkle 1944-8-25 9175 Siskiyou Siskiyou National Forest. Coastal Northern California. Comment
  UC711825  Pedicularis semibarbata Roxana S. Ferris and Laura Lorraine 1941-8-11 10504 Siskiyou slopes above Medicine Lake; Shasta National Forest Comment
  CAS-BOT-BC67683  Pellaea brachyptera Louis C. Wheeler 1934-6-21 75592 Siskiyou Klamath National Forest - W. fork of Cottonwood Cr. 1371 Comment
  RSA577172  Pellaea brachyptera L. C. Wheeler 1934-8-30 3227 Siskiyou Siskiyou Mountains: Trapper Creek. 1372 Comment
  HSC62474  Penstemon anguineus Ruby Van Deventer 1938-7-31 Siskiyou Twin Valley Comment
  RSA12502  Penstemon anguineus Carl B. Wolf 1934-7-4 5934 Siskiyou Horse Creek Rd. to Dry Lake Lookout, Siskiyou Mts. 13 mi from Horse Creek Bridge on Klamath River. 1372 Comment
  HSC29294  Penstemon anguineus Frederick W. Oettinger 1968-8-5 410 Siskiyou Marble Mtn. Wilderness Area, ridge between English Peak and Charmaine Lake 2024 Comment
  UCD67376  Penstemon azureus Lynette Renouf 1992-5-31 25 Siskiyou Shasta Trinity National Forest, SW of Mt. Shasta, along south fork Sacramento River. Comment
  JEPS101470  Penstemon azureus var. azureus Dean W. Taylor 1972-7-4 1596 Siskiyou near Lily Pad Lake 3 miles west of Cook & Green Pass 1981 Comment
  LA209521  Penstemon davidsonii var. davidsonii W. B. C.; 1939-7-13 13639 Siskiyou Mount Shasta, Gray Butte saddle 2285 Comment
  HSC20982  Penstemon deustus D. M. Thomson 1965-6-19 91 Siskiyou Lava Beds National Monument, Captain Jacks Stronghold Comment
  HSC21012  Penstemon deustus D. M. Thomson 1965-8-7 179 Siskiyou Lava Beds National Monument, 1 mi. up cave loop road Comment
  RSA78952  Penstemon deustus E. K. Balls, Percy C. Everett 1952-10-12 18179 Siskiyou 3.6 mi W of boundary of Lava Beds Nat'l Monument, road from Indian Well Ranger Station to Tenant. 1372 Comment
  CHSC96032  Penstemon deustus var. suffrutescens L. P. Janeway 2006-7-3 8767 Siskiyou Klamath Ranges. Salmon Mountains; along Music Creek Trailhead Road about 1.5 km west of upper crossing of Music Creek. 1646 Comment
  SBBG7148  Penstemon gracilentus H. and M. Dearing 1948-9-12 6727 Siskiyou Mt Shasta 2316 Comment
  UC705378  Penstemon gracilentus Marion Ownbey, Fred G. Meyer 1940-7-3 2195 Siskiyou e side of Mt. Shasta Comment
  RSA519225  Penstemon gracilentus Karl Vincent, Charlotte A. Labbe 1987-8-12 4512 Siskiyou Cascade Range, Butte Mtn. Along Butte Mtn Rd, ca 3.6 miles W of jct Meiss Lake Rd, located 7.2 mi W of jct US 97 on S side of Macdoel. 1829 Comment
  NY603843  Penstemon humilis var. humilis G. Schoolcraft 1985-6-18 1433 Siskiyou Mahogany Mountains 1706.9 Comment
  HSC43836  Penstemon laetus subsp. laetus Maralyn O'Meara 1974-5-27 491 Siskiyou Along FS Rd. 47N03 1280 Comment
  NY604560  Penstemon laetus var. sagittatus A. A. Heller 1905-6-13 8019 Siskiyou Shasta Springs. Comment
  UC1238949  Penstemon laetus var. sagittatus Freed W. Hoffman 1950-7-11 3483 Siskiyou Cedar Camp Road North Coast Ranges, Cedar Camp road (western Siskiyou County) 1005 Comment
  HSC29296  Penstemon newberryi Frederick W. Oettinger 1968-9-6 747 Siskiyou Marble Mtn. Wilderness Area, Bear Meadow, Tom's Lake region 2188 Comment
  SBBG21851  Penstemon newberryi D. Myrick 1964-7-25 949 Siskiyou Shasta Ski Bowl Hwy, Mt Shasta 1524 Comment
  HSC663  Penstemon newberryi subsp. berryi William J. Ferlatte 1967-7-9 679 Siskiyou Kidd Creek Trail 1768 Comment
  RSA21194  Penstemon newberryi subsp. newberryi Carl B. Wolf 1937-8-8 9082 Siskiyou Sw side of Mt Shasta, 0.5 mi S of trail to Horse Camp. 1524 Comment
  RSA68868  Penstemon newberryi subsp. newberryi A. E. Culbertson 1943-6-24 88 Siskiyou Castle Lake, 5434', in a north facing cirque with an abrupt 1000' backwall, 14 miles SW of Mt Shasta on N side of a 6600' eastern spur of Trinity Mts. 2000' above Sacramento R within 10 air miles of its headwaters to the west. Comment
  CAS-BOT-BC239334  Penstemon newberryi var. berryi L. E. Smith 1913-6-18 368 Siskiyou Road from Sisson to Castle Lake Comment
  UC27481  Penstemon newberryi var. newberryi C. B. Bradley 1879-1 Siskiyou Comment
  UCSB27383  Penstemon newberryi var. newberryi Wilken, Dieter 1969-7-26 Siskiyou Above summit of Mt. Shasta Ski Bowl Road; south slope of Mt. Shasta 3200 Comment
  CAS-BOT-BC482443  Penstemon parvulus Dana York 2011-8-12 3048 Siskiyou Marble Mountain Wilderness, Klamath National Forest, E-facing slope of Marble Mountain 2055 Comment
  UC1017676  Penstemon parvulus Marion Ownbey and Ruth P. Ownbey 1938-7-19 1749 Siskiyou 2 1/2 mi nw Dry Lake Lookout (summit of the Siskiyou Mountains); , nw of Dry Lake Lookout Comment
  RSA238763  Penstemon parvulus Frederick W. Oettinger 1967-8-13 263 Siskiyou 1/8 miles east of Tom Taylor Cabin. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2037 Comment
  UC1408794  Penstemon procerus Robert F. Thorne and Fred Oettinger 1969-8-10 39006 Siskiyou s slope of Mt. Shasta Mt. Shasta National Forest, Mt. Shasta (on dry, sunny volcanic slopes above ski-lodge) 2377 Comment
  RSA238759  Penstemon procerus subsp. brachyanthus Frederick W. Oettinger 1968-8-18 570 Siskiyou West end of Hancock Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1936 Comment
  HSC69505  Penstemon procerus var. brachyanthus John Palmer 1980-7-24 655 Siskiyou Dillon Divide 1707 Comment
  HSC60465  Penstemon procerus var. brachyanthus Carl Wishner 1978-7-19 549 Siskiyou Sandy Ridge trail 11W21E, Monument Lake, Marble Mtn. Wilderness 1768 Comment
  NY650146  Penstemon roezlii E. L. Greene 1876-6-5 s.n. Siskiyou Comment
  UC1238953  Penstemon roezlii Freed W. Hoffman 1948-7-7 2407 Siskiyou Scott Mountain road, from summit along Scott Mountain Creek to Trumbull Ranch; North Coast Ranges, Scott Mountain road Comment
  SBBG82056  Penstemon speciosus M. Roantree, B. Bonning 1983-5-28 Siskiyou NW of Callahan on St Hwy 3, near mile marker 10.00 Comment
  UC1314265  Penstemon speciosus Noel H. Holmgren, James L. Reveal 1966-6-9 2677 Siskiyou US 97, 4 mi n Weed; Shasta Valley, n of Weed 1158 Comment
  UC696832  Penstemon speciosus Elmer I. Applegate 1931-6-24 6805 Siskiyou between Bear Paw Cave, Modoc Lava Beds and Medicine Lake; btw Bear Paw Cave, Modoc Lava Beds and Medicine Lake Comment
  UC1473446  Perideridia oregana Laura Witherspoon 1980-9-7 123 Siskiyou Oak Knoll Ranger District 975 Comment
  UCD127877  Perideridia oregana Robert E. Preston 1995-6-18 878 Siskiyou Ca. 3 miles ESE of Hornbrook. Adjacent to Ager Road. 701 Comment
  HSC401  Perideridia parishii subsp. latifolia William J. Ferlatte 1967-8-17 946 Siskiyou Yellow Rose Mine 1982 Comment
  JEPS74554  Perideridia parishii subsp. latifolia W. J. Ferlatte 1966-8-16 371 Siskiyou Big Flat Hillside seep forming boggy meadow Trinity Alps (between campground and S. Fork of the Salmon R.) 1524 Comment
  HSC64424  Persicaria lapathifolia J. P. Smith, Steve Selva 1970-7-16 4389 Siskiyou Along Klamath River, 2 mi. W of Seiad Creek 518 Comment
  UC165414  Petasites frigidus var. palmatus Geo. D. Butler 1909-4-11 627 Siskiyou Shasta Springs Comment
  CHSC4537  Phacelia J. E. Bowlin 1967-7-18 75 Siskiyou Off roadside, ca. 4 mi w of Mount Shasta Ski Bowl. 2133 Comment
  UCR45368  Phacelia bolanderi D. H. Norris 1970-5-23 12236 Siskiyou Along Klamath River at Ishi Pishi [Rd.] Bridge near Somes Bar 145 Comment
  CAS-BOT-BC142703  Phacelia cookei W. B. Cooke; V. G. Cooke 1972-6-30 45419 Siskiyou Military Pass Road, Mt. Shasta. In margins of road. 1524 Comment
  CHSC70020  Phacelia corymbosa Jennifer Whipple 1977-7-22 2035 Siskiyou Klamath Mountains, Mount Eddy. Dobkins Lake drainage on east facing slopes above Dobkins Lake. 2316 Comment
  HSC23000  Phacelia corymbosa William J. Ferlatte 1966-8-4 306 Siskiyou Dorleska summit 2134 Comment
  HSC61920  Phacelia corymbosa Ruby Van Deventer 1938-7-31 Siskiyou Poker Flat 1585 Comment
  UC164114  Phacelia corymbosa Geo. D. Butler 1910-5-4 1280 Siskiyou dry hill near Yreka Comment
  UC1228351  Phacelia corymbosa L. R. Heckard 1956-8-7 826 Siskiyou about 2 mi s railway station (above Sacramento River); Dunsmuir 731 Comment
  HSC67656  Phacelia dalesiana J. P. Smith, J. O. Sawyer 1972-5-27 5351 Siskiyou Hwy. 3 near the Scott Mtn. Campground on divide between Scott and Trinity Rivers 1601 Comment
  SD98970  Phacelia frigida Darley F. Howe 1977-7-5 Siskiyou Are north of Mt. Shasta. 1463 Comment
  HSC75157  Phacelia greenei Unknown Siskiyou 1433 Comment
  JEPS79423  Phacelia greenei F. D. and C. L. Horn 1980-6-1 Siskiyou summit of hill Callahan, School House Hill (Callahan-Gazelle Rd, n edge of Section 1) Comment
  JEPS79425  Phacelia greenei F. D. and C. L. Horn 1980-6-9 Siskiyou Eastside Rd Etna, Hanna's Hill Comment
  POM311047  Phacelia greenei Lincoln Constance, JF Davidson, J. M. Tucker 1947-5-17 s.n. Siskiyou Summit of NW spur of Scott Mountain. 1829 Comment
  UCR40022  Phacelia greenei C. Houseman, M. A. Strull, L. Linstedt 1984-5-26 68 Siskiyou (none given on label) 701 Comment
  CDA12115  Phacelia hastata G. F. Hrusa 1990-4-2 7839 Siskiyou Siskiyou Mountains; Old Shasta River Rd. (Hwy 263) approx. 3 m. S of intersection w/Hwy 96, and 10 miles N of Yreka. Comment
  UC794431  Phacelia hastata subsp. compacta W. Bridge Cooke 1949-8-22 25560 Siskiyou Summit Trail Mount Lassen Volcanic National Park 2895 Comment
  RSA105459  Phacelia hastata subsp. hastata G. D. Barbe 1955-7-1 70 Siskiyou 0.6 mile east of Etna in a rocky field on the south side of the road; Klamath Mountains. 854 Comment
  SEINET11263923  Phacelia hastata subsp. hastata Lowell Ahart, Vernon H. Oswald 1994-8-10 6449 Siskiyou Pilgrim Creek Road (FS13) at the railroad crossing 0.9 miles N of Hwy 89, ca 3 air miles ENE of McCloud.; 0 Comment
  HSC13669  Phacelia hastata var. hastata R. C. Wunner 1965-6-26 283 Siskiyou Lava Beds National Monument, S side of top 1614 Comment
  JEPS2081  Phacelia heterophylla subsp. virgata W. L. Jepson 1940-6-23 19983 Siskiyou 2 mi e Montague 822 Comment
  UC909961  Phacelia heterophylla subsp. virgata A. A. Heller 1916-6-23 12422 Siskiyou near Black Butte (n of Sisson) 1127 Comment
  UCD77222  Phacelia heterophylla subsp. virgata Robert E. Preston 2001-6-23 1625 Siskiyou Klamath National Forest, n-facing slope of Rainbow Mtn. 1706 Comment
  JEPS81015  Phacelia heterophylla subsp. virgata J. P. Smith and Steve Selva 1970-6-15 Siskiyou 1 mi w junction Calif. 3 and Road 8 leading to Sugar Creek (sw of Callahan) 1158 Comment
  RSA152172  Phacelia leonis Lincoln Constance, R. C. Bacigalupi, L. Heckard 1960-7-20 s.n. Siskiyou Twin Valley, 5 miles SW of Poker Flat, Siskiyou Mountains 1555 Comment
  CHSC48471  Phacelia linearis Vernon Oswald 1986-5-29 2075 Siskiyou Hwy 97 between Weed and Grass Lake, 9.8 mi ne of Weed. 1158 Comment
  RSA59806  Phacelia linearis E. K. Balls 1950-5-17 14725 Siskiyou New Lava Flow, road from Schonchin Butte to Capt. Jack s Stronghold, Lava Bed National Monument. 1494 Comment
  CHSC70138  Phacelia mutabilis Jennifer Whipple 1976-7-8 1350 Siskiyou Mount Eddy, Klamath Mountains. Dry slopes and meadows southwest of Dobkins Lake along the drainage into the lake. 2225 Comment
  HSC86535  Phacelia mutabilis D. K. Imper Jun 1987 Siskiyou 8 mi. E of town of Mt. Shasta 1829 Comment
  JEPS25840  Phacelia mutabilis Rimo Bacigalupi with L. Constance and L. Heckard 1960-7-20 7454 Siskiyou about 13 air mi nw Happy Camp (along Del Norte-Siskiyou Co. boundary (ridge top) dividing Indian Creek drainage from that of the Illinois River, leading to Twin Valley) 1584 Comment
  JEPS1089  Phacelia procera Geo. D. Butler 1908-8-9 14 Siskiyou camp below Marble Mountain 1676 Comment
  SD72096  Phacelia virgata William B. Cooke 1938-8-5 11448 Siskiyou Mt. Shasta. 1524 Comment
  HSC27638  Philadelphus californicus Carl W. Mize 1972-6-10 50 Siskiyou Along Steinacher Creek 0.5 mi. from Wooley Creek 290 Comment
  CAS-BOT-BC77418  Philadelphus lewisii Alice Eastwood; John Thomas Howell 1937-6-26 5055 Siskiyou Near Sawyers Bar Comment
  CAS-BOT-BC77425  Philadelphus lewisii Gilbert Muth 1965-8-3 s.n. Siskiyou Down creek from Marble Valley Comment
  CDA17141  Philadelphus lewisii G. F. Hrusa 2001-6-6 15855 Siskiyou Siskiyou Mountains; Along Hwy 96 at Scott R. Bridge. 426 Comment
  UC922623  Philadelphus lewisii Annie M. Alexander and Louise Kellogg 1948-9-9 5613 Siskiyou on trail to Taylor Lake Siskiyou Mountains Comment
  UCR93361  Philadelphus lewisii Kathy Harper, Dane Karr 1994-6-14 s.n. Siskiyou Sierra Nevada Mtns., State Hwy 96, south of Happy Camp (at mi. Marker 13.96) 244 Comment
  RSA0097451  Philadelphus lewisii E. E. Stanford 1930-6-15 1601 Siskiyou Shasta River Canyon near Yreka. Comment
  UCD162379  Philadelphus lewisii Charlotte Glenn 1967-6-20 113 Siskiyou east of Seiad Valley, on the Klamath River, O'Neills Creek. 60 Comment
  HSC39779  Phlox adsurgens J. P. Smith, Steve Selva 1970-7-16 4398 Siskiyou Blue Mtn. Comment
  CAS-BOT-BC383122  Phlox diffusa Andrew Townesmith; Karen M. Meyer 2007-7-30 868 Siskiyou Shasta-Trinity National Forest. At the upper end of county road A10, mile 13.8 (from beginning of road in Mount Shasta City, 12.7 miles from National Forest boundary sign). Highest vehicle accessible point on Mount Shasta 2399 Comment
  HSC65283  Phlox diffusa Rich White 1978-7-6 248 Siskiyou Pond above Elk Hole 1524 Comment
  JEPS25568  Phlox diffusa Rimo Bacigalupi with George Bacigalupi Jr. 1959-7-1 7193 Siskiyou just e Mt. Shasta Ski Bowl Lodge (at upper end of Everitt Highway, sw slopes of Mt. Shasta); Mt. Shasta 2346 Comment
  CAS-BOT-BC294729  Phlox diffusa James Vale 1980-7-25 s.n. Siskiyou Shasta - Trinity National Forest. Mount Shasta, Panther Meadow Comment
  RSA120867  Phlox diffusa subsp. diffusa Wagnon 1957-8-11 1703 Siskiyou East slope of Mt. Shasta in meadow ca. 1 mile west of Military Pass Road along road to Brewer Cr. Comment
  RSA469927  Phlox diffusa subsp. diffusa J. P. Smith 1973-5-5 6424 Siskiyou Along Cook and Green Pass road. Comment
  UCR66520  Phlox gracilis L. C. Wheeler 1934-6-1 2602 Siskiyou Siskiyou Mtns., Head Jaynes Canyon 1829 Comment
  SEINET7042788  Phlox gracilis A. G. Vestal 1955-5-17 s.n. Siskiyou 3 miles northeast of Fort Jones on Moffett Creek Road. Moffett Creek Valley. Indian Creek quadrangle UTM Zone 10, 518135mE, 4608002mN. Comment
  UCSB21823  Phlox hoodii Keefe, Joseph 1967-7-11 Siskiyou 0.5 mile on trail east of Cook and Green Pass; north of Seiad Valley 1371 Comment
  CDA40285  Phlox hoodii subsp. canescens T. C. Fuller 1958-4-17 4826 Siskiyou 3 miles south of Gazelle. 0 Comment
  UC585201  Phlox speciosa subsp. nitida E. B. Babcock, G. L. Stebbins Jr. 1936-6-13 2014 Siskiyou about 1.5 mi w Mt. Shasta City (e and ne slope of spur of Rainbow Ridge, above Sulloway Creek); Rainbow Ridge 1188 Comment
  RSA469941  Phlox speciosa subsp. nitida J. P. Smith 1973-5-5 6546 Siskiyou Scott Bar along the Scott River. 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
  CAS-BOT-BC135021  Phoradendron bolleanum Louis C. Wheeler 1934-6-26 2789 Siskiyou Camp Lowe, Klamath River, Siskiyou Mts. 762 Comment
  CAS-BOT-BC135338  Phoradendron juniperinum Alice Eastwood 1922-10-18 11543 Siskiyou Shasta Springs Comment
  UC375253  Phoradendron libocedri Geo. D. Butler 1908-8-1 274 Siskiyou near Forest House Comment
  HSC19153  Phyllodoce empetriformis J. O. Sawyer 1969-7-2 995 Siskiyou Shore of Paynes Lake 1982 Comment
  HSC30570  Phyllodoce empetriformis Frederick W. Oettinger 1968-8-1 338 Siskiyou Marble Mountain Wilderness, Little Hancock Lake inlet 2043 Comment
  HSC91335  Phyllodoce empetriformis Jennifer Whipple 1976-6-30 1212 Siskiyou Wagon Creek drainage near Wagon Creek 2195 Comment
  JEPS91239  Phyllodoce empetriformis Dean W. Taylor 1972-7-3 1614 Siskiyou Salmon Mountains, near Little Duck Lake 1981 Comment
  POM131811  Phyllodoce empetriformis E. B. Copeland 1902-8-18 3899 Siskiyou Mt. Eddy 2591 Comment
  RSA659529  Phyllodoce empetriformis Gary D. Wallace 1990-7-1 2949 b Siskiyou Mount Shasta: Panther Meadow, campground on AAA map. 2255 Comment
  UCR182951  Physalis longifolia T. C. Fuller 1966-10-6 15246 Siskiyou Clement Ranch, 5 miles north of Montague Comment
  CAS-BOT-BC60778  Physaria occidentalis Lincoln Constance; Herbert L. Mason; J. F. Davidson; J. M. Tucker 1947-5-17 3199 Siskiyou Summit of northwest spur of Scott Mountain. 1828 Comment
  HSC91035  Physaria occidentalis subsp. occidentalis Jennifer Whipple 1976-6-11 962 Siskiyou S face of Mount Eddy draining into the N Fork of the Sacramento River 2195 Comment
  CAS-BOT-BC140605  Physocarpus capitatus L. E. Smith 1913-6-12 352 Siskiyou Road between Sisson and Castle Lake Comment
  HSC68989  Picea breweriana Maralyn A. Renner 1980-8-7 2372 Siskiyou Ridge just E of saddle, S of Rattlesnake Meadow 1799 Comment
  JEPS83899  Picea breweriana Stephen K. Langer with Charles S. Rand 1988-6-23 Siskiyou slope e Elk Lake (n of Red Butte) Comment
  NY29986  Picea breweriana J. T. Howell 1937-7-24 13413 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
  UC407005  Picea breweriana Peter Bennett 1928-7-11 Siskiyou head of No Nothing Creek Salmon Mts., No Nothing Creek Comment
  CAS-BOT-BC73395  Pinus albicaulis Dr. C. E. Wilson 1930-7-9 s.n. Siskiyou Marble Mt. Comment
  CAS-BOT-BC78323  Pinus attenuata A. A. Heller 1921-7-23 13587 Siskiyou near McCloud at the foot of Mt. Shasta 1066 Comment
  POM215876  Pinus attenuata L. C. Wheeler 1935-4-14 3418 Siskiyou Siskiyou Mountains: West Fork Seiad Creek. (Mt. Diablo Mer.) 1159 Comment
  RSA639071  Pinus attenuata L. C. Wheeler 1958-8-18 7396 Siskiyou West Fork Seiad Creek. Comment
  CAS-BOT-BC78406  Pinus balfouriana W. R. Dudley 1899-8-15 s.n. Siskiyou summit of Black Butte Comment
  HSC26017  Pinus balfouriana R. J. Mastrogiuseppe 1971-10-23 Siskiyou Ridge between Sugar Creek and Duck Lake Creek draianages 2195 Comment
  UC1452399  Pinus balfouriana Ronald J. Mastrogiuseppe 1967-7-1 Siskiyou near Upper High Camp Creek 2164 Comment
  UCD134408  Pinus balfouriana J. M. Tucker; L. K. Mann, S. L. Holloway 1963-8-18 3769 Siskiyou Southwestern ridge of Black Marble Mountain, Marble Mountain Wilderness Area. 2133 Comment
  JEPS47960  Pinus contorta subsp. murrayana W. L. Jepson 1907-7-4 2813 Siskiyou e of Marble Mt.; Shackelford Canyon Comment
  CAS-BOT-BC73091  Pinus lambertiana Peter H. Raven 1956-9-5 10465 Siskiyou North Fork of the Sacramento River 1584 Comment
  CAS-BOT-BC73096  Pinus lambertiana Doris K. Kildale 1927-11-28 4233 Siskiyou Quartz Valley, Scott River Comment
  CAS-BOT-BC78779  Pinus lambertiana W. R. Dudley 1899-8-9 s.n. Siskiyou Side of Black Butte Comment
  HSC1513  Pinus lambertiana R. C. Wunner 1965-9-12 514 Siskiyou Lava Beds National Monument, N side of Caldwell Minor 1448 Comment
  NY61612  Pinus lambertiana A. A. Heller 1915-8-26 12253 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
  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-BC78962  Pinus monticola W. R. Dudley 1901-8-18 s.n. Siskiyou Jackson Lake Comment
  HSC29678  Pinus monticola Frederick W. Oettinger 1968-9-2 671 Siskiyou Marble Mtn. Wilderness Area, E of inlet to Upper English Lake 1829 Comment
  HSC69371  Pinus monticola J. O. Sawyer, J. Cole 1980-7-19 3673 Siskiyou N and W of Little Mt. Hoffman 1982 Comment
  UC401400  Pinus monticola Geo. D. Butler 1908-8-5 521 Siskiyou Cold Springs, Woolly Creek, Cold Springs Comment
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Nov 25 2011
  CAS-BOT-BC72873  Pinus ponderosa Elmer I. Applegate 1935-6-8 9414 Siskiyou Near and west of Indian Well, Lava Beds National Monument. Comment
  UC1600414  Pinus ponderosa Kate Stirring 1904-9-25 Siskiyou Etna Mills Comment
  UC70583  Pinus ponderosa Mrs. Stirring May 1905 Siskiyou Etna Comment
  SEINET8408406  Pinus sabiniana Frank Callahan 2006-1 Siskiyou forks of Salmon, South Fork. Comment
  JEPS101155  Piperia unalascensis Dean W. Taylor 1996-6-18 15700 Siskiyou Scott Mountains; bordering Shasta Valley, hillslopes about 4 miles south of Gazelle; Shasta-Trinity National Forests 1249 Comment
  RSA237630  Piperia unalascensis Frederick W. Oettinger 1969-7-27 1077 Siskiyou Northwest of English Lake. The Salmon Mountains, the high lake basins in the vicinity of English Peak, Marble Mountain Wilderness Area 1982 Comment
  CHSC93545  Plagiobothrys bracteatus Lowell Ahart; John Dittes 2005-6-9 12035 Siskiyou Meadow area along a small drainage, about 50 yards east of where cattle water in the Shasta River, about 3/5 mile (air) south of Highway 99/97 Cutoff, about 2 1/2 miles (air) east-southeast of Grenada. 774 Comment
  CAS-BOT-BC231009  Plagiobothrys hispidulus John Thomas Howell 1937-7-22 13331 A Siskiyou S Fork of Salmon River near Big Flat 1524 Comment
  JEPS82445  Plagiobothrys hispidulus Gilbert Muth 1966-7-19 424 Siskiyou horse pasture above camp Marble Mountain Wilderness Area 1798 Comment
  SBBG28858  Plagiobothrys hispidulus L. C. Wheeler 1934-7-3 2869 Siskiyou Soda Crk, Sterling Mtn, Siskiyou Mtns 1676 Comment
  UCD120837  Plagiobothrys hispidulus Louis C. Wheeler 1934-7-3 2869 Siskiyou Soda Creek, Sterling Mt., Siskiyou Mts., Mt. Diablo Mer. 1676 Comment
  SDSU5442  Plagiobothrys hispidus D. F. Howe 1964-8-5 3941 Siskiyou Klamouth National Forest 3.7 miles from north entrance on #97. 1585 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
  RSA240062  Plantago major Frederick W. Oettinger 1969-8-12 1341 Siskiyou Near Abbott's Lower Cabin. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 945 Comment
  UC2013019  Platanthera dilatata var. leucostachys Barbara Ertter 1990-7-14 9344 Siskiyou Wagon Creek on E side of Mt. Eddy, ca. 4 air miles W of Mt. Shasta City. Comment
  RSA382873  Platanthera leucostachys M. B. Dunkle 1945-7-8 9212 Siskiyou Big Rock Spring; Klamath National Forest; Marble Mts. Comment
  HSC29095  Platanthera sparsiflora Frederick W. Oettinger 1969-7-17 1050 Siskiyou Salmon Mountains: the high lake basins in the vicinity of English Peak, Marble Mountain Wilderness area; Inlet to Upper English Lake 1921 Comment
  HSC35287  Platanthera sparsiflora A. Montalvo, J. D. Ackerman 1974-7-2 354 Siskiyou Along road to Middle Fork Sacramento River and Toad Lake. West of Mt. Shasta City Comment
  POM67770  Plectritis macrocera subsp. grayi Geo. D. Butler 1910-4-15 1176 Siskiyou Yreka Creek. Comment
  JEPS69767  Pleuricospora fimbriolata W. B. and V. G. Cooke 1972-7-6 45463 Siskiyou Mount Shasta, Mud Creek Dam Road Mount Shasta; , Mud Creek Dam Road 1127 Comment
  CAS-BOT-BC261045  Poa Arthur Menzies 1962-7-21 s.n. Siskiyou Morgan Meadows, base of Mt. Eddy 1706 Comment
  RSA123776  Poa G. Douglas Barbe 1955-8-5 362 Siskiyou Salmon Mtns., At summit of trail from Big Flat to Caribou Lake, a point NW of Caribou Mt. 2409 Comment
  SEINET236450 Image available Poa bolanderi Louis C. Wheeler 1935-7-26 3708 Siskiyou Klamath National Forest ; Jaynes Canyon Siskiyou mts. 1951 Comment
  UC1265390  Poa bolanderi Frederick W. Oettinger 1969-8-16 1395 Siskiyou sw of Wire Grass Meadow above English Lake; Salmon Mts, High Lake Basins, Marble Mt Wilderness Area 1676 Comment
  UCD90607  Poa bulbosa Alan A. Beetle; G. L. Stebbins Jr. 1942-5-30 3385 Siskiyou at Weed. Comment
  UCD91091  Poa howellii A. A. Beetle; G. L. Stebbins Jr. 1942-5-31 3429 Siskiyou 13 miles east of Hamburg, banks of the Klamath River. Comment
  CDA2365  Poa pratensis G. D. Barbe, J. T. Howell, T. C. Fuller 1980-4-29 2627 Siskiyou 0.4 km northeast of Oro Fino. Comment
  CAS-BOT-BC247525  Poa pringlei Gilbert J. Muth 1969-8-10 1309 Siskiyou Ridge west of Boulder Peak Comment
  HSC92155  Poa pringlei Jennifer Whipple 1977-7-20 1977 Siskiyou South face of Mt. Eddy. 2470 Comment
  UCD91776  Poa pringlei Robert E. Preston 2001-6-23 1597 Siskiyou Klamath National Forest, north facing slope of Rainbow Mountain. 2042 Comment
  CAS-BOT-BC243236  Poa secunda subsp. secunda Geo. D. Butler 1910-7-12 1749 Siskiyou Shackleford Creek 1219 Comment
  HSC42965  Poa secunda subsp. secunda J. O. Sawyer, Ken Stillman 1976-5-29 2753 Siskiyou Along Specimen Creek. 884 Comment
  UC1037087  Poa secunda subsp. secunda Leo Whitney 1934-6-29 2224 Siskiyou near Tennant (Antelope Creek) 1463 Comment
  UC196956  Poa secunda subsp. secunda Geo. D. Butler 1910-4-19 1200 Siskiyou Yreka Comment
  UC1265392  Poa wheeleri Frederick W. Oettinger 1969-9-4 1666 Siskiyou s side of Tobacco Lake (vicinity of English Peak); Salmon Mts, High Lake Basins, Marble Mt Wilderness Area 1828 Comment
  JEPS69922  Polemonium californicum Geo. D. Butler 1908-8-6 26 Siskiyou trail near summit above Marble Mountain Valley; trail near summit above Marble Mountain Valley 1767 Comment
  UC1072720  Polemonium californicum Douglas Barbe 1955-7-6 132 Siskiyou shore Taylor Lake Klamath Mountains, , Taylor Lake (Salmon Mts.) 1950 Comment
  UC164116  Polemonium micranthum Geo. D. Butler 1909-3-16 551 Siskiyou near Yreka; near Yreka Comment
  CDA40273  Polemonium micranthum G. D. Barbe, J. T. Howell, T. C. Fuller 1980-4-28 2579 Siskiyou Grenada, around abandoned railroad station building and tracks. Comment
  RSA600333  Polemonium pulcherrimum L. C. Wheeler 1935-7-24 3695 Siskiyou Siskiyou Mountains: Mt. Diablo Mer.; Mud Springs, Middlehell Creek 2012 Comment
  CAS-BOT-BC74164  Polyctenium fremontii H. Lewis 1940-1-1 1901 Siskiyou At edge of Grass Lake. 1219 Comment
  UC1732953  Polyctenium fremontii Kay H. Beach, Frank Gould 1940-5-16 646 Siskiyou drying vernal pool about 24 miles north of Weed, on the road to Klamath Falls. Comment
  HSC27592  Polygala cornuta Carl W. Mize 1972-6-21 69 Siskiyou Along trail about 3/8 mi. from corner 343 Comment
  UC1034061  Polygala cornuta var. cornuta W. Bridge Cooke 1941-9-5 16259 Siskiyou along Sisson Southern Trail and Memorial Highway Mount Shasta 1371 Comment
  UC450154  Polygala cornuta var. cornuta I. J. Condit 1909-8-23 16 Siskiyou near Sisson; Castle Lake Comment
  CAS-BOT-BC414278  Polygonum aviculare subsp. depressum A. A. Heller 1915-8-24 12207 Siskiyou Metcalf's ranch, northeast base of Mt. Eddy 1188 Comment
  RSA200040  Polygonum cuspidatum T. C. Fuller 1968-8-1 17452 Siskiyou NE corner of Siskiyou Ave and Interstate 5 freeqay, commonly naturalized on roadsides and in yard along Siskiyou Ave, N limits of Dunsmuir, Siskiyou County Comment
  JEPS51268  Polygonum douglasii Geo. D. Butler 1908-7-20 195 Siskiyou Humbug Creek Comment
  CAS-BOT-BC418619  Polygonum majus John Thomas Howell 1939-8-4 15035 Siskiyou Between Elk Mt. and Marble River, Marble Mts. Comment
  UCR66535  Polygonum minimum L. C. Wheeler 1934-8-13 3115 Siskiyou Johnson Dairy 1829 Comment
  UC1735918  Polygonum newberryi Dean W. Taylor 1974-7-20 4241 Siskiyou 2499 Comment
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May 7 2014
  SEINET3160427  Polygonum nuttallii G. D. Butler 1910-7-31 1803 Siskiyou Yreka Comment
  RSA184755  Polygonum phytolaccifolium Gilbert Muth 1966-7-17 406 Siskiyou Trail to Lookout, Marble Mtns. 1860 Comment
  HSC78322  Polygonum polygaloides subsp. kelloggii L. P. Janeway 1983-8-6 484 Siskiyou At Poker Flat, at front edge of upper portion of meadow. 1524 Comment
  CAS-BOT-BC109281  Polygonum shastense A. A. Heller 1939-7-27 15433 Siskiyou Mount Shasta. Border of Panther Meadow, upper edge of the Canadian Life Zone. 2438 Comment
  CHSC1351  Polygonum shastense K. Jaekel 1939-7-8 Siskiyou Panther Meadows, Mt. Shasta. Comment
  RSA237974  Polygonum shastense Frederick W. Oettinger 1968-8-22 597 Siskiyou Rock crevices, slope between English Peak and Diamond Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2195 Comment
  UC1037193  Polygonum shastense Leo Whitney 1934-6-17 1508 Siskiyou Mt. Shasta; n side 3048 Comment
  CAS-BOT-BC421087  Polygonum spergulariiforme W. R. Dudley 1899-8-15 s.n. Siskiyou Toward Black Fox Comment
  UC637175  Polypodium glycyrrhiza Edward Lee 1934-8-11 1034 Siskiyou Walker Creek, a tributary of Klamath River Walker Creek; e end Seiad Valley 609 Comment
  CAS-BOT-BC233036  Polypogon interruptus Doris K. Kildale 1928-7-3 5418 Siskiyou Forks of Salmon River Comment
  CAS-BOT-BC237390  Polypogon monspeliensis Dorothy Parker 1948-7-28 74 Siskiyou Scott Valley 853 Comment
  HSC10837  Polypogon monspeliensis C. B. Wolf 1927-8-26 Siskiyou Klamath River, 14 mi. above Happy Camp Comment
  RSA105443  Polypogon monspeliensis G. D. Barbe, Milo S. Baker 1955-7-4 88 Siskiyou 10 miles south of Etna on Parrot Mill Road. 976 Comment
  HSC45877  Polystichum imbricans subsp. curtum J. P. Smith, J. O. Sawyer 1972-9-13 5783 Siskiyou 0.5 mi. W of Cook and Green Pass on road to Lily Pad Lake Comment
  HSC69324  Polystichum imbricans subsp. imbricans John Palmer 1980-8-12 732 Siskiyou Road to Bearground Spring from Beaver Creek Rd. 1341 Comment
  UC1400748  Polystichum imbricans subsp. imbricans Alan R. Smith 1972-5-20 571 Siskiyou along rd. from Callahan to Somes Bar (between Cecilville and Forks of Salmon) Comment
  UC185244  Polystichum imbricans subsp. imbricans Geo. D. Butler 1910-7-9 1693 Siskiyou Shackleford Creek 1219 Comment
  CAS-BOT-BC76734  Polystichum imbricans subsp. imbricans Donald L. Branscomb 1958-7-1 s.n. Siskiyou Mount Shasta Comment
  HSC36663  Polystichum imbricans subsp. imbricans Brent Whiteley 1975-6-21 19 Siskiyou 223 Comment
  CHSC38  Polystichum lemmonii V. Holt 1933-4-10 Siskiyou Mt. Eddy. 2438 Comment
  CAS-BOT-BC72375  Polystichum lemmonii Lillian Mott 1976-7-18 56 LM76 Siskiyou base of Kangaroo Mt. near Cook and Green Pass 1828 Comment
  HSC76642  Polystichum lemmonii K. T. Stillman 1976-6-26 115 Siskiyou Marble Mtn. Wilderness Area 2012 Comment
  LA204823  Polystichum lonchitis Lawrence L. Kiefer; 1963-8-9 732 Siskiyou Klamath Mts., Castle Lake, bluff at the S end of the lake 2133 Comment
  SEINET8671627 Image available Polystichum munitum W. Bridge Cooke 1937-1 9133 Siskiyou Mt. Shasta 1524 Comment
  SD82093  Polystichum scopulinum Louis C. Wheeler 1934-8-26 3225 Siskiyou Siskiyou Mountains, Trapper Creek, Mt. Diablo Mer. 1980 Comment
  HSC79137  Polystichum scopulinum C. J. Thomas 1983-10-1 98 Siskiyou Box Camp Mtn. Ridge in Marble Mtn. Wilderness, 0.5 mi. from trail 2098 Comment
  SEINET8233949  Populus balsamifera Frank Callahan 2007-1 Siskiyou Moffett Creek. 884 Comment
  CAS-BOT-BC102964  Populus trichocarpa Wm. F. Herrin 1920-8-25 s.n. Siskiyou Shasta Springs Comment
  JEPS125852  Potamogeton alpinus subsp. tenuifolius Dean W. Taylor 1996-6-24 15741 Siskiyou Klamath River canyon near Oregon State line Comment
  HSC67610  Potamogeton crispus J. P. Smith, Steve Selva 1970-7-16 4380 Siskiyou Along Klamath River, 2 mi. W of Seiad Creek 518 Comment
  UC725956  Potamogeton foliosus A. A. Heller 1925-7-28 13908 Siskiyou Abram Lake Comment
  UC202562  Potamogeton illinoensis Geo. D. Butler 1910-8-21 1853 Siskiyou Shasta River Comment
  HSC79092  Potamogeton natans Paul Wilson 1984-8-26 356 Siskiyou Juanita Lake Reservoir 1555 Comment
  JEPS94254  Potentilla anserina subsp. anserina Vernon H. Oswald and Lowell Ahart 1998-6-11 9212 Siskiyou Old State Highway 0.5 mi w of Bray (10 air mi e of Grass Lake located on Highway 97, 23 air mi ne of Weed); Old State Highway 1414 Comment
  UC164068  Potentilla anserina subsp. anserina Geo. D. Butler 1910-9-13 1874 Siskiyou Butte Valley 1280 Comment
  CHSC71497  Potentilla biennis Vernon H. Oswald; Lowell Ahart 1998-7-21 9341 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
  CAS-BOT-BC143181  Potentilla breweri John Thomas Howell 1939-8-2 14903 Siskiyou Spirit Lake, Marble Mts. 1828 Comment
  UC1560736 Image available Potentilla cristae W. J. Ferlatte 1989-8-5 2120 Siskiyou e Cory Peak (above headwaters of Cabin Meadow Creek); China Mt. SE Quad., e of Cory Peak, Cabin Meadow Creek 2194 Comment
  RSA237623  Potentilla drummondii Frederick W. Oettinger 1968-9-7 769 Siskiyou Ridge SE of Tobacco Lake Meadow. Salmon Mtns. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1890 Comment
  CAS-BOT-BC143263  Potentilla flabellifolia John Thomas Howell 1939-8-9 15230 Siskiyou Ridge south of Marble Valley, Marble Mts. Comment
  UC574866  Potentilla flabellifolia John Thomas Howell 1937-7-24 13398 Siskiyou Caribou Basin Salmon-Trinity Alps 1981 Comment
  JEPS74487  Potentilla fruticosa W. J. Ferlatte 1966-8-19 441 Siskiyou Kidd Creek Trail Trinity Alps, Kidd Creek Trail 1676 Comment
  RSA184695  Potentilla glandulosa subsp. ashlandica Gilbert Muth 1966-7-17 405 Siskiyou Trail to lookout, Marble Mountains 1829 Comment
  CAS-BOT-BC540552  Potentilla gracilis var. fastigiata Geo. D. Butler 1910-5-28 1419 Siskiyou Shasta Valley Comment
  UCR38390  Potentilla millefolia G. R. Ballmer, G. F. Pratt 1985-6-19 s.n. Siskiyou Trinity Mtns, Gumboot Lake, west of Dunsmuir 1829 Comment
  CAS-BOT-BC158532  Potentilla millefolia L. E. Smith 1913-5-18 269 Siskiyou Gazelle Comment
  UC2062454  Potentilla newberryi Barbara Ertter 2015-10-4 22452 Siskiyou East end of Grass Lake on Highway 97, south side of highway. Comment
  UC711899  Potentilla rivalis Roxana S. Ferris and Laura Lorraine 1941-8-11 10501 Siskiyou Grass Lake Station Grass Lake Station (on U.S. Highway 97) 1554 Comment
  UCD119035  Primula suffrutescens Joseph M. DiTomaso 1975-9-10 321 Siskiyou Just below Sawtooth Pass on Caribou Lake side. 2286 Comment
  RSA0021433  Prunella vulgaris Edwin Kline 1920-6-24 s.n. Siskiyou Yreka Creek Comment
  UCD18943  Prunella vulgaris A. H. Murphy 1955-7-27 55 B Siskiyou Klamath National Forest, Marble Mountains, Cold Springs Meadow. 1676 Comment
  UC1034608  Prunella vulgaris var. lanceolata Douglas Barbe 1955-6-29 40 Siskiyou on the s bank of Scott River 1.8 mi e Callahan; Klamath Mountains, bank of Scott River 975 Comment
  CAS-BOT-BC158202  Prunus emarginata A. A. Heller 1905-6-1 7929 Siskiyou Between Dunsmuir and Upper Soda Spring Comment
  CAS-BOT-BC158231  Prunus emarginata C. B. Wolf 1931-9-1 2388 Siskiyou 1/4 mile north of Entrance to Shasta Springs 914 Comment
  HSC125  Prunus emarginata William J. Ferlatte 1966-6-23 123 Siskiyou Yellow Rose Mine 1982 Comment
  JEPS44721  Prunus emarginata W. L. Jepson 1940-6-28 20058 Siskiyou McCloud 975 Comment
  CDA26201  Prunus subcordata T. C. Fuller 1961-5-16 6953 Siskiyou Sam s Neck, ca. 15 miles southwest of Dorris. 0 Comment
  SEINET10542452  Prunus subcordata David B. Dunn 1971-8-15 Dunn 18143 Siskiyou 0.5 mile e of mccloud ranger station on hwy 89. Yellow pine forest Comment
  SEINET10937255  Prunus subcordata Lincoln Constance, Reed C. Rollins 1942-5-14 Constance s.n. 1942 Siskiyou Road to Walker Post Office, 3 miles west of Yreka. 1220 Comment
  CAS-BOT-BC151236  Prunus virginiana var. demissa C. Hart Merriam 1919-9-24 s.n. Siskiyou Ager Comment
  HSC59609  Prunus virginiana var. demissa J. P. Smith, Steve Selva 1970-7-16 4411 Siskiyou Beaver Creek Campground. 823 Comment
  UC1409341  Prunus virginiana var. demissa Frederick W. Oettinger 1969-8-29 1564 Siskiyou along English Lake trail (above Willow Spring, High Lake Basins in vicinity of English Peak, Salmon Mountains, Marble Mountain Wilderness Area); Salmon Mountains, Marble Mountain Wilderness Area 1676 Comment
  CAS-BOT-BC357407  Pseudognaphalium microcephalum A. A. Heller 1914-8-25 11702 Siskiyou Near Deetz station opposite Black Butte 1158 Comment
  HSC29165  Pseudognaphalium thermale Frederick W. Oettinger 1969-8-19 1449 Siskiyou Marble Mtn. Wilderness Area, ridge from Arrow Peak to King David Peak, English Lake Basin 1936 Comment
  UCD91508  Pseudoroegneria spicata Beecher Crampton 1969-6-18 8461 Siskiyou 4 miles s.w. Yreka, State Hwy. 3. 975 Comment
  POM206496  Pseudoroegneria spicata subsp. spicata C. F. Baker 1903-9-7 3797 Siskiyou Mt. Eddy. Comment
  UC593550  Pseudoroegneria spicata subsp. spicata E. B. Babcock, G. L. Stebbins Jr. 1936-6-11 1908 Siskiyou about 7 mi sw of Yreka (s of Highway from Yreka to Fort Jones, Forest House Mountain); Forest House Mountain 1371 Comment
  HSC81663  Pseudostellaria jamesiana Thomas W. Nelson, Jane P. Nelson 1980-7-17 6079 Siskiyou Along FS Rd. 17, 1 mi. N of summit at county line 2073 Comment
  UC165936  Pseudostellaria jamesiana Geo. D. Butler 1909-6-13 966 Siskiyou Moffitt Creek Comment
  HSC69268  Pseudotsuga menziesii var. menziesii John Palmer 1980-7-23 576 Siskiyou Past Elbow Springs at end of USFS Rd. 15N19 1220 Comment
  CHSC57  Pteridium aquilinum var. pubescens V. Holt 1932-7-19 Siskiyou Spring Hill. 1219 Comment
  UCD78117  Pteridium aquilinum var. pubescens Robert E. Preston 2001-6-30 1662 Siskiyou Klamath National Forest, Hemlock Lake. 1889 Comment
  CAS-BOT-BC460546  Pterospora andromedea Wm. Bridge Cooke 1939-7-28 13793 Siskiyou Mount Shasta: Along the Sisson Southern Trail 1676 Comment
  RSA240082  Pterospora andromedea Frederick W. Oettinger 1969-8-21 1482 Siskiyou Near where trail to Cold Springs heads out of English Lake Basin. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1524 Comment
  UC1292079  Pteryxia terebinthina var. californica A. A. Heller 1928-6-9 14597 Siskiyou yellow pine forest on Spring Hill near Sisson Comment
  SEINET193347  Pteryxia terebinthina var. californica Lincoln Constance, Reed C. Rollins 1942-5-14 2924 Siskiyou Road to Walker Post Office 4 miles west of Yerka. 1219 Comment
  UCD91862  Puccinellia distans R. Tofsrud 1949-8-4 s.n. Siskiyou between Grenada and Gazelle, Hwy. 99. Comment
  CDA26232  Purshia tridentata T. C. Fuller 1962-6-11 8951 Siskiyou East side of Highway 99 to Mt. Shasta City, 1.3 miles south of Black Butte Summit. 0 Comment
  UCD113279  Purshia tridentata R. V. Parke 1954-5-15 120 Siskiyou 8 miles E of McCloud, Highway 89. 1097 Comment
  UC73074  Purshia tridentata var. tridentata Milo S. Baker Jun 1896 123 Siskiyou 15 mi w Bartles (Sissons Road) Comment
  HSC26566  Pyrola aphylla J. P. Smith, J. O. Sawyer 1972-8-20 5757 Siskiyou Slope of Mt. Hoffman 2134 Comment
  CAS-BOT-BC460864  Pyrola aphylla Ira L. Wiggins 1955-7-21 13442 Siskiyou Rush Creek Trail, 2 mi. above Mt. View Ranch 1097 Comment
  RSA0082801  Pyrola aphylla Geo D. Butler 1910-6-17 1575 Siskiyou Humbug Mountain. 1220 Comment
  SBBG30606  Pyrola asarifolia D. Myrick 1968-6-28 2054 Siskiyou Mountain Meadow Ranch, Big Flat, head of Coffee Crk, Trinity Alps 1524 Comment
  RSA0084311  Pyrola dentata Diana D. Jolles, Erik M. Beaston 2011-8-26 483 Siskiyou Klamath National Forest, Alcohol Crater. 2113 Comment
  UC2062587  Pyrola dentata Belinda Lo with Alex Randolph-Lowe 2017-8-25 361 Siskiyou SISKIYOU COUNTY: Ash Creek Butte, southwest of Surprise Lake. Comment
  CAS-BOT-BC462807  Pyrola dentata L. N. Lorenzen no date on label 28679 Siskiyou Shasta Forest, Tamarack Springs 1676 Comment
  HSC17971  Pyrola picta Wm. F. Bowman 1968-10-12 Siskiyou Sugar Creek Trail 1585 Comment
  CAS-BOT-BC466136  Pyrola picta Doris K. Kildale 1929-8-24 8832 Siskiyou Preston Peak 2133 Comment
  CAS-BOT-BC466145  Pyrola picta Volney Rattan 1879-1-1 s.n. Siskiyou Klamath Comment
  HSC72275  Pyrrocoma racemosa var. pinetorum J. P. Smith, J. O. Sawyer, Jane Sawyer, Kevin Sawyer 1976-9-5 8967 Siskiyou Hwy 3, 2.5 mi. N of Siskiyou-Trinity County line Comment
  JEPS97186  Pyrrocoma racemosa var. pinetorum Julie Kierstead Nelson with Maria Ulloa-Cruz 1995-8-22 95022 Siskiyou northern foothills of The Eddys, along Parks Creek Road (Rd. 17) 2.2 mi above junction with Stewart Springs Rd. Shasta-Trinity National Forests, Mt. Shasta Ranger District Comment
  UC829439  Pyrrocoma racemosa var. racemosa A. A. Heller 1917-9-7 12980 Siskiyou 5 mi s Gazelle; Shasta Valley 914 Comment
  UCR30566  Pyrrocoma racemosa var. racemosa John C. Roos 1948-9-1 3954 Siskiyou Near Fort Jones 854 Comment
  CAS-BOT-BC68605  Quercus chrysolepis Dr. A. Kellogg; W. G. W. Harford 1868-9 915 Siskiyou Ukiah Comment
  RSA237386  Quercus garryana var. breweri Frederick W. Oettinger 1968-8-18 574 Siskiyou Due NNW of Tobacco Lake and west of the west cove of Hancock Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1921 Comment
  POM166635  Quercus garryana var. garryana Copeland 1903-7-14 3522 Siskiyou Klamathon. Comment
  SEINET5644385  Quercus kelloggii Brent Helm, Curtis Miller; Mark Steiger 1988-4-30 80 Siskiyou 1 mile east of Spring Flat Campground; along Scott River Rd in Montane forest.; 0 Comment
  UC338624  Quercus kelloggii unknown Siskiyou near Shasta Comment
  HSC69243  Quercus sadleriana Maralyn A. Renner 1980-9-1 2700 Siskiyou S side of Devil's Punchbowl 1829 Comment
  HSC87769  Quercus sadleriana S. L. Holloway 1963-10-12 77 Siskiyou Marble Mountain Wilderness Area, junction of Red Rock Valley trail and Canyon Creek trail. 1341 Comment
  UCD47231  Quercus sadleriana T. H. Harris 1951-6-1 s.n. Siskiyou Happy Camp. 1371 Comment
  UCD47239  Quercus sadleriana Gilbert Jerome Muth; J. M. Tucker 1972-8-9 1797 Siskiyou Near Cook and Green Pass, Siskiyou County, California. Seiad Valley Quad. 345 mm from bottom margin, 137 mm from left margin. SLID No. 6936, Herb Acc No. 00011252. 1462 Comment
  UCD47258  Quercus sadleriana John M. Tucker 1972-8-8 4247 A 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-BC104619  Quercus vacciniifolia Doris K. Kildale 1928-8-19 6564 Siskiyou Hancock Lake, on trail to Marble Mt. 2133 Comment
  CAS-BOT-BC104624  Quercus vacciniifolia A. A. Heller 1914-8-28 11728 Siskiyou East side of Mt. Eddy 1676 Comment
  HSC99609  Quercus vacciniifolia G. L. Clifton, Griswold 1979-6-28 6136 Siskiyou Near Upper Devils Peak 1738 Comment
  OBI69127  Quercus vacciniifolia Dieter H. Wilken, E. Painter 2000-8-10 15856 Siskiyou Just S of Del Norte and Josephine (OR) county lines, NNE of Little Grayback, near head of Indian creek. O'Brien-Happy camp road 1500 Comment
  SEINET10970880  Quercus vacciniifolia Patricia L. Kenney 1973-6-4 Kenney 385 Siskiyou On steep roadbank along road from cecilville to callahan; 6.4 miles w of Callahan 1737 Comment
  UCD135381  Raillardella pringlei Bruce G. Baldwin 1986-7-21 617 Siskiyou Shasta-Trinity National Forest, around 0.25 miles north of Gumboot Lake along gumboot Creek (near Mount Eddy). Comment
  SEINET5338464  Ranunculus canus G. Butler 1910-4-19 1199 Siskiyou Damp gully near Yreka. Comment
  RSA184769  Ranunculus eschscholtzii var. suksdorfii Gilbert Muth 1966-7-8 355 Siskiyou Marble Valley Meadow, Marble Mountains. 1793 Comment
  UC827780  Ranunculus flammula Alice Eastwood 1912-7-15 1087 Siskiyou McCloud Comment
  HSC39295  Ranunculus occidentalis var. occidentalis J. O. Sawyer 1970-4-4 2083 Siskiyou Along Sugar Creek 823 Comment
  UC118221  Ranunculus orthorhynchus var. orthorhynchus T. S. Brandegee July 1887 Siskiyou Ager Comment
  HSC19435D  Ranunculus uncinatus J. O. Sawyer 1969-7-11 855 Siskiyou Ravine above C.C.C. road. 1280 Comment
  CHSC71600  Rhamnus californica subsp. occidentalis Vernon H. Oswald; Lowell Ahart 1998-8-3 9447 Siskiyou Rock Fence Lake Rd. (USFS 41N18) 0.1 mi northeast of its intersection with Kangaroo Lake Rd. (USFS 41N08) 4.9 mi southeast of Gazelle-Callahan Rd. 1676 Comment
  RSA0005516  Rhamnus obtusissima E. B. Copeland 1903-8-15 3833 Siskiyou Sisson 1098 Comment
  LA207875  Rhamnus purshiana Louis C. Wheeler; 1934-7-17 2915 Siskiyou Siskiyou Mountains, Cottonwood Creek Comment
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Feb 17 2015
  POM134115  Rhamnus purshiana John H. Thomas 1954-7-22 4452 Siskiyou Salmon-Trinity Mts, 6 miles SE of Cecilville betw Rush and Big Bend Creek, 0.25-0.5 miles N of S Fork of Salmon River. 945 Comment
  UC163696  Rhamnus purshiana Geo. D. Butler 1908-8-8 23 Siskiyou Marble Valley Comment
  HSC26915  Rhodiola integrifolia subsp. integrifolia J. P. Smith, J. O. Sawyer 1971-9-17 4772 Siskiyou Slopes above Big Duck Lake Comment
  CAS-BOT-BC53737  Rhododendron columbianum John Thomas Howell 1937-7-24 13423 Siskiyou Caribou Basin, Salmon-Trinity Alps 2286 Comment
  HSC36223  Rhododendron columbianum John Rehling 1974-8-24 44 Siskiyou S end of Little Duck Lake Comment
  HSC749  Rhododendron columbianum William J. Ferlatte 1967-7-26 759 Siskiyou Caribou Basin 1982 Comment
  CHSC598  Rhododendron neoglandulosum M. Yoder 1941-7-6 Siskiyou Castle Lake. 1981 Comment
  CAS-BOT-BC200398  Rhododendron occidentale var. paludosum Jessie P. Rose 1908-6-13 80 Siskiyou Sacramento River at Dunsmuir Comment
  HSC26749  Rhus aromatica J. P. Smith, J. O. Sawyer 1971-9-18 4824 Siskiyou 1.2 mi. W of junction of Hwy. 3 and Rd. 8, N of Callahan. Comment
  CAS-BOT-BC200744  Rhus aromatica Mrs. H. C. Cantelow 1936-5-20 1463 Siskiyou Cottonwood Creek, near Oregon line Comment
  UC1608351  Rhus trilobata J. Kierstead 1991-4-23 91 -1 Siskiyou 2 mi sw of Haystack Rock (n side of Mt. Shasta, n of Hwy. 97); Mt Shasta Comment
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Jun 1 2007
  UC455595  Ribes I. J. Condit 1909-8-23 Siskiyou near Sisson; Castle Lake 1828 Comment
  CAS-BOT-BC438000  Ribes Alice Eastwood 1912-7-19 1245 Siskiyou Mount Shasta Comment
  CAS-BOT-BC438017  Ribes H. E. Brown 1898-1-1 393 Siskiyou North side of Mt. Shasta Comment
  JEPS49271  Ribes aureum Geo. D. Butler 1904-4-13 598 Siskiyou near Yreka (Butler's Ranch) Comment
  HSC22487  Ribes binominatum J. O. Sawyer 1969-7-2 998 Siskiyou S facing midslope above Paynes Lake 1966 Comment
  JEPS49274  Ribes binominatum Geo. D. Butler 1908-8-4 259 Siskiyou head Shackelford Creek 1676 Comment
  SFV18029  Ribes cereum var. cereum J. A. Matos, D. C. Rudolph 1999-8-7 s. n. Siskiyou 2 miles south of Lava Beds National Monument on Lava Beds National Monument Road. 1738 Comment
  SEINET3154875  Ribes glanduliferum A. A. Heller 1905-6-9 8005 Siskiyou near railraod at Yreka Comment
  JEPS49411  Ribes inerme var. klamathense W. L. Jepson July, 1894 13509 Siskiyou Sisson Comment
  HSC19430  Ribes lacustre J. O. Sawyer 1968-7-9 451 Siskiyou W of Little Duck Lake. 1936 Comment
  JEPS86078  Ribes lacustre Wayne Roderick 1966-6-26 Siskiyou Cook and Green Pass 1371 Comment
  CAS-BOT-BC173389  Ribes lobbii A. M. Vollmer; L. Beane 1951-6-2 86 Siskiyou Happy Camp, Klamath River Highway Comment
  HSC36870  Ribes lobbii J. P. Smith 1974-5-26 7549 Siskiyou Along FS Rd. 47N03 1524 Comment
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Feb 26 2013
  HSC73321  Ribes lobbii Gail Newton 1980-6-20 480 Siskiyou Near Bald Mtn. 1097 Comment
  SJSU6064  Ribes lobbii R. W. Trivelpiece 1971-6-9 26 Siskiyou near Deadman Peak c. 8 mi E of Cecilville, Salmon R Mts 1432 Comment
  SEINET5339459  Ribes marshallii G. Butler 1910-7-8 1682 Siskiyou Shackleford Creek 1219 Comment
  CAS-BOT-BC465594  Ribes montigenum Julie Kierstead Nelson; Martin Lenz 2015-6-18 2015 -061 Siskiyou Headwaters of West Fork Parks Creek, 2 mi NNE of China Mountain; 7 mi W of town of Weed 2208 Comment
  CAS-BOT-BC219272  Ribes nevadense John Thomas Howell 1937-7-22 13310 Siskiyou South Fork of Salmon River near Big Flat 1524 Comment
  CHSC1660  Ribes nevadense M. Yoder 1941-6-28 Siskiyou Castle Lake. Comment
  UC162061  Ribes nevadense A. A. Heller 1905-6-5 7967 Siskiyou near Shasta Springs Comment
  CAS-BOT-BC200012  Ribes roezlii var. cruentum Elmer I. Applegate 1895-5-28 598 Siskiyou 18th Crossing SPRR, Sacramento River, below Sisson 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
  HSC100864  Ribes roezlii var. cruentum J. P. Smith, J. O. Sawyer, R. J. Cole 2010-8-7 13060 Siskiyou Klamath National Forest, road to Crater Lake off Forest Service Road 40N24. 2003 Comment
  CAS-BOT-BC186290  Ribes roezlii var. roezlii Laura M. Lathrop 1903-7-22 s.n. Siskiyou Shasta Retreat Comment
  UC1333318  Ribes sanguineum Dorothy Parker 1949-5-26 301 Siskiyou Sugar Creek Salmon Mountains Range 1676 Comment
  RSA0019536  Ribes sanguineum Louis C. Wheeler 1934-6-12 2695 Siskiyou North Hungry Creek, Siskiyou Mts. 1311 Comment
  RSA0019537  Ribes sanguineum Geo. D. Butler 1910-5-1 1265 Siskiyou Humbug Mountain. Comment
  HSC48270  Ribes sanguineum var. sanguineum K. T. Stillman, P. Stekel May 1977 511 Siskiyou Along Happy Camp-O'Brien Rd. above Louse Creek Comment
  CHSC36158  Ribes velutinum K. Bridwell 1978-4-14 86 Siskiyou Along Klamath River, ca. 4 mi s of Hornbrook. 670 Comment
  UC1127584  Ribes velutinum M. H. Mitchell 1936-5-21 25 Siskiyou Frozen River Cave Modoc Lava Beds Natl. Mon., Dorris Quadrangle Comment
  RSA0020883  Ribes velutinum Geo. D. Butler 1910-5-8 1308 Siskiyou Near Yreka. Comment
  RSA0020884  Ribes velutinum Lyman Benson 1929-3-27 1074 Siskiyou Rocky ledges along Klamath River. Comment
  CAS-BOT-BC168801  Ribes viscosissimum W. R. Dudley 1899-8-15 s.n. Siskiyou Black Fox Mountain Comment
  JEPS74540  Ribes viscosissimum W. J. Ferlatte 1966-7-6 187 Siskiyou Caribou Basin Trinity Alps 1981 Comment
  UC166562  Ribes viscosissimum Geo. D. Butler 1908-8-5 260 Siskiyou camp below Cold Spring; West Fork of Woolly Creek 1676 Comment
  UC165938  Rorippa Geo. D. Butler 1909-5-29 783 Siskiyou near Yreka; near Yreka Comment
  CHSC105278  Rorippa nasturtium-aquaticum Lowell Ahart; John Dittes 2010-7-30 16960 Siskiyou About 50 yards east of the East Louie Road Bridge, Shasta Big Springs Ranch, 1.6 miles (air) southwest of Big Springs Lake, 4.6 miles (air) northwest of Dwinnel Dam, 5.7 miles (air) southeast of Grenada. 716 Comment
  UC1871381  Rosa Barbara Ertter 2006-7-30 18737 a Siskiyou Butte Valley 4 air mi due W of Macdoel, Meiss Lake Road at S entrance to Butte Valley Wildlife Area. 1298 Comment
  HSC73218  Rosa gymnocarpa Gail Newton 1980-6-20 509 Siskiyou Near Bald Mtn. 1097 Comment
  RSA184749  Rosa gymnocarpa Gilbert Muth 1966-7-29 466 Siskiyou Marble Valley,.Marble Mtns. 1829 Comment
  RSA237812  Rosa gymnocarpa Frederick W. Oettinger 1969-9-4 1640 Siskiyou NW side of Hancock Lake. Salmon Mtns. High Lake Basins in the vicinity of English Peak. Marble Mtn Wilderness Area. 1951 Comment
  RSA300567  Rosa nutkana John Dourley, Walter Wisura 1982-10-15 3871 Siskiyou Near fish hatchery on W side of town of Mt. Shasta. 1067 Comment
  CAS-BOT-BC6001  Rosa pisocarpa E. B. Copeland 1903-9-8 3875 Siskiyou Mt. Eddy 1463 Comment
  HSC27034  Rosa pisocarpa J. P. Smith, J. O. Sawyer 1972-9-14 5811 Siskiyou 3.6 mi. W of S.R. 3 on Rd. 8 1220 Comment
  RSA237810  Rosa pisocarpa Frederick W. Oettinger 1969-8-16 1408 Siskiyou Old wiregrass meadow on English Lake Trail. Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1829 Comment
  RSA78997  Rosa pisocarpa E. K. Balls, Percy C. Everett 1952-10-13 18185 Siskiyou 3.6 miles SW of turn off to Ney Springs on road from town of Mt. Shasta to Castle Lake. 1524 Comment
  UC902160  Rosa pisocarpa Joseph P. Tracy 1949-9-16 18565 Siskiyou near summit (on road from Scott Valley to Trinity Center); Scott Mt. 1615 Comment
  HSC26929  Rubus armeniacus J. P. Smith, J. O. Sawyer 1971-9-18 4835 Siskiyou 2 mi. W of the junction of Hwy. 3 and Rd. 8, N of Callahan. 1037 Comment
  HSC99744  Rubus laciniatus C. B. Wolf 1927-8-27 1115 Siskiyou Klamath River at Happy Camp. Comment
  UC1409344  Rubus lasiococcus Frederick W. Oettinger 1968-8-5 415 Siskiyou w end, (high lake basins in vicinity of English Peak) Charmaine Lake; Salmon Mountains, Marble Mountain Wilderness Area 1920 Comment
  CAS-BOT-BC147319  Rubus parviflorus G. P. Rixford s.n. Siskiyou Hilt Comment
  CAS-BOT-BC147320  Rubus parviflorus H. A. Thomas; J. H. Thomas 1954-7-23 4463 Siskiyou Salmon - Trinity Mts. About 6 miles SE of Cecilville. Vicinity of Blind Horse Creek 1036 Comment
  CAS-BOT-BC157164  Rubus ursinus A. A. Heller 1916-6-20 12419 Siskiyou Metcalf's ranch, northeast base of Mt. Eddy 1188 Comment
  JEPS87796  Rudbeckia glaucescens Vernon H. Oswald and Lowell Ahart 1994-8-1 6418 Siskiyou 9 mi. s.w. of dam at Lake Siskiyou (Forest Rd. 26 paralleling S. Fork Sacramento R., 0.3 mi. e. of Forest Rd. 40N43) 1438 Comment
  RSA237971  Rumex acetosella Frederick W. Oettinger 1967-8-13 259 Siskiyou Just below Tom Taylor Cabin Spring. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2043 Comment
  CAS-BOT-BC433404  Rumex crispus H. E. Brown 1897-6-1 379 Siskiyou Near Sisson 1082 Comment
  UCD101332  Rumex kerneri G. D. Barbe 1980-6-5 2815 Siskiyou Abandoned dairy south of Knighton Road along Sacramento River, on Riverland Drive (Interstate 5 frontage road); between Redding and Anderson. 128 Comment
  HSC29621  Sagina saginoides Frederick W. Oettinger 1969-8-19 1467 Siskiyou Marble Mountain Wilderness Area, near Abbott's 1860 Comment
  UC482249  Salix Mrs. H. P. Bracelin 1931-6-19 422 Siskiyou ca. 16 km. n.w. of Shasta City; Mt. Eddy 1500 Comment
  CAS-BOT-BC103465  Salix eastwoodiae Harley P. Chandler 1901-6-1 1547 Siskiyou Ridges and meadows near Marble Mountain 1828 Comment
  RSA15588  Salix exigua Carl B. Wolf 1927-8-27 1133 Siskiyou On the Klamath River. 7 miles below Happy Camp. Comment
  SEINET10538849  Salix exigua Katherine L. Morris 1973-6-2 Morris 374 Siskiyou Collected 7.0 mi s of etna along roadside of hwy 3, near a gravel quarry. Comment
  UC54763  Salix exigua var. hindsiana P. E. Goddard 1901-8-4 150 Siskiyou Klamath River Comment
  LA208831  Salix lasiandra A. A. Heller; 1915-7-18 12129 Siskiyou Metcalf's Ranch, Metcalf's ranch, NE of Mt. Eddy in the forest 1371 Comment
  RSA0034683  Salix lasiandra H. P. Bracelin 1931-6-19 423 Siskiyou Northeast side of Mount Eddy, about 16 km. northwest of Shasta City. 1350 Comment
  CAS-BOT-BC125451  Salix lasiandra var. lasiandra Louis C. Wheeler 1934-7-6 2893 Siskiyou Klamath National Forest, Hungry Creek 1371 Comment
  CAS-BOT-BC125463  Salix lasiandra var. lasiandra Mrs. H. P. Bracelin 1931-6-19 423 Siskiyou Northeast side of Mount Eddy, about 16 km. northwest of Shasta City; above Metcalf ranch house 1350 Comment
  HSC91251  Salix lasiandra var. lasiandra Jennifer Whipple 1977-8-6 2205 Siskiyou Dobkins Lake, below outlet of lake 2058 Comment
  UCD111532  Salix lasiandra var. lasiandra Mrs. H. P. Bracelin 1931-6-19 411 Siskiyou Northeast side of Mount Eddy, about 16 km. northwest of Shasta City. Above Metcalf ranch house. 1425 Comment
  CAS-BOT-BC107070  Salix lasiolepis Mrs. H. P. Bracelin 1931-6-19 419 Siskiyou Northeast side of Mount Eddy, about 16 km. northwest of Shasta City 1425 Comment
  UCR133523  Salix lasiolepis Mrs. H. P. Bracelin 1931-6-21 469 Siskiyou North side of Mount Eddy, about 21 km northwest of Shasta City, below Dobkins Lake 1650 Comment
  CHSC9686  Salix lemmonii E. L. Smith 1971-8-20 1058 Siskiyou At Mt. Shasta City. 1085 Comment
  CAS-BOT-BC125681  Salix melanopsis H. A. Thomas; J. H. Thomas 1954-7-1 4456 Siskiyou Salmon - Trinity Mts. About 6 miles SE of Cecilville. Along north bank of S. Fork of Salmon River just west of Blind Horse Creek 883 Comment
  CAS-BOT-BC126149  Salix scouleriana Wm. F. Herrin 1918-5-15 s.n. Siskiyou Shasta Springs Comment
  CAS-BOT-BC126153  Salix scouleriana L. E. Smith 1913-4-2 620 Siskiyou Sisson Comment
  CAS-BOT-BC126161  Salix scouleriana L. E. Smith 1915-6-1 s.n. Siskiyou Sisson 1524 Comment
  CAS-BOT-BC129045  Salix scouleriana W. R. Dudley 1899-8-8 s.n. Siskiyou Near Big Spring above Sisson Comment
  CDA119  Salix scouleriana D. G. Kelch 2007-7-25 7 .5 Siskiyou Indian Creek Rd., just S of Greyback Summit. Comment
  HSC99834  Salix scouleriana G. L. Clifton 1979-7-1 6189 Siskiyou Near Poker Flat, close to the town of Happy Camp 1538 Comment
  CDA39589  Salix scouleriana T. C. Fuller 1960-6-3 4616 Siskiyou Four miles north of Harris Springs Guard Station, 14 miles north of Bartle. 0 Comment
  HSC65315  Salsola tragus J. P. Smith, Steve Selva 1970-8-9 4585 Siskiyou In potato fields W of Macdoel. Comment
  UC618882  Salvia sonomensis unknown 1938-6-17 11027 Siskiyou Sisson Southern Trail; Mount Shasta Comment
  POM210953  Sambucus microbotrys L. C. Wheeler 1934-8-2 3019 Siskiyou Alex Hole, Alex Canyon. Siskiyou Mtns. 1890 Comment
  HSC58855  Sambucus nigra subsp. caerulea Marvin Butler 1971-1 241 Siskiyou Near Copper Mtn., close to the town of Cave Junction. 1464 Comment
  CAS-BOT-BC236486  Sambucus racemosa subsp. racemosa John Thomas Howell 1939-8-3 15011 Siskiyou Spirit Lake, Marble Mts. 1828 Comment
  RSA123783  Sanguisorba minor G. D. Barbe 1953-7-5 97 Siskiyou 11 miles S of Etna on French Creek 1067 Comment
  HSC76751  Sanicula graveolens K. T. Stillman 1976-7-15 252 Siskiyou Marble Mtn. Wilderness Area 1951 Comment
  SEINET2140098  Santalaceae R. L. Mathiasen 2007-1 2007 -39 Siskiyou 6.4 km W. of McCloud on St. Rte. 89 at turn to Mt. Shasta Ski Park. 1340 Comment
  CHSC33037  Saponaria officinalis J. P. Smith; Steve Selva 1970-7-16 4404 Siskiyou 1 mile east of O'Neill Campground; sandbar and roadside. 579 Comment
  HSC68018  Saponaria officinalis J. P. Smith, Steve Selva 1970-7-16 4404 Siskiyou 1 mi. E of O'Neill Campground 579 Comment
  UCR37585  Saxifraga ferruginea var. vreelandii L. P. Janeway 1983-9-11 653 Siskiyou Poker Flat 1524 Comment
  UCR52361  Saxifraga tolmiei K. Berg, Stephanie Bennett 1986-8-25 648 Siskiyou Salmon-Trinity Alps Wilderness, headwaters of Little South Fork of Salmon River; above Little South Fork Lake 2287 Comment
  POM354594  Saxifragopsis fragarioides M. B. Dunkle 1945-7-22 9242 Siskiyou Marble Mts., Klamath National Forest. Comment
  RSA598072  Scirpus L. C. Wheeler 1963-9-3 8348 Siskiyou Siskiyou Mountains. Young's Valley, head of Clear Creek 1402 Comment
  CAS-BOT-BC35551  Scirpus congdonii John Thomas Howell 1939-8-7 15130 Siskiyou Sky High Valley, Marble Mtns. 1828 Comment
  HSC82377  Scirpus congdonii Thomas W. Nelson, Jane P. Nelson, J. P. Smith 1978-7-24 4530 Siskiyou Siskiyou-Trinity County line, head of Scott Mtn. Creek, S of Forest Service campground 1646 Comment
  JEPS19774  Scirpus congdonii Rimo Bacigalupi with S. Galen Smith 1957-6-26 5954 Siskiyou springy bog at w end Gumboot Lake (head of South Fork Sacramento River, close to Trinity County line); head of South Fork Sacramento River, w end Gumboot Lake 1859 Comment
  CAS-BOT-BC110851  Scirpus congdonii Doris K. Kildale 1928-8-19 6516 Siskiyou English Lake, head of the north fork of Salmon River Comment
  RSA238937  Scirpus congdonii Frederick W. Oettinger 1969-8-22 1500 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
  SEINET11754611  Scirpus congdonii J. P. Tracy 1950-1 19203 Siskiyou Flint Valley, ca 5 mi SE of Elk Valley 1433 Comment
  CAS-BOT-BC110863  Scirpus lineatus Louis C. Wheeler 1934-7-17 2914 Siskiyou Sunny wet meadow, Cottonwood Creek, Siskiyou Mts. 883 Comment
  JEPS124475  Scirpus microcarpus Daniel Slakey 2015-7-14 162 Siskiyou South side of Copco Lake. East side of Patricia Ave., along creek shortly before its terminus in the lake. Comment
  HSC30680  Scirpus microcarpus Frederick W. Oettinger 1969-7-31 1121 Siskiyou Marble Mtn. Wilderness Area, inlet stream to Upper English Lake 1768 Comment
  HSC4158  Scleranthus annuus L. C. Wheeler 1935-6-15 3585 Siskiyou Greenview, Scott Valley 884 Comment
  UC61042  Scutellaria antirrhinoides W. A. Setchell, C. C. Dobie 1902-7-21 Siskiyou Sisson, 18th Crossing Sisson; Mount Shasta, , 18th Crossing Comment
  HSC82524  Scutellaria antirrhinoides Thomas W. Nelson, Jane P. Nelson 1980-7-20 6177 Siskiyou Hillside above Big Carmen Lake 1738 Comment
  JEPS81648  Scutellaria antirrhinoides L. R. Heckard with L. Constance and R. Ornduff 1969-6-24 2314 Siskiyou between the Sacramento and McCloud arms of Shasta Lake (near Fall Creek Inn along Gilman Road) 396 Comment
  CHSC71486  Scutellaria galericulata Vernon H. Oswald; Lowell Ahart 1998-7-21 9350 Siskiyou Northeast of Weed and south of Macdoel along Old State Highway on the west side of Bray. On the edge of the marsh. 1417 Comment
  JEPS121407  Sedum laxum subsp. heckneri Peter F. Zika 2011-7-19 25541 Siskiyou FS Road 1040, 3.7-3.8 road miles (5.9 km) above junction with FS Road 10 at mouth of Carberry Creek, along Middle Fork Applegate River, 1 air mile NW of Abney Butte, Siskiyou Mountains Comment
  CAS-BOT-BC61474  Sedum laxum subsp. heckneri Doris K. Kildale 1928-7-2 5362 Siskiyou Salmon summit near Horn Creek trail 1981 Comment
  UC637043  Sedum obtusatum subsp. boreale Edward Lee 1934-8-14 1105 Siskiyou Little Grayback Little Grayback (rocky n-facing slope at summit, Siskiyou-Del Norte County Line) 1868 Comment
  HSC25457  Sedum obtusatum subsp. retusum J. P. Smith, J. O. Sawyer, Maralyn O'Meara 1972-7-3 5652 Siskiyou E of Cook and Green Pass 1524 Comment
  HSC59367  Sedum obtusatum subsp. retusum M. A. Baker 1979-7-30 1075 Siskiyou Marble Gap 2300 Comment
  HSC90580  Sedum obtusatum subsp. retusum Jennifer Whipple 1977-7-20 2010 Siskiyou Mt. Eddy: Near Durney Lake 2073 Comment
  RSA264941  Sedum oregonense G. L. Clifton 1975-7-28 9943 Siskiyou Near Cook and Green Pass near the Seiad Valley. 1646 Comment
  CAS-BOT-BC64644  Sedum oregonense John Thomas Howell 1937-7-26 13566 Siskiyou Between Big Flat and Caribou Gulch, Siskiyou Co. 2286 Comment
  UC1190125  Sedum radiatum Ira L. Wiggins 1955-7-22 13458 Siskiyou ridge w China Creek (s side of S Fork Salmon River); , w of China Creek 944 Comment
  RSA0074771  Sedum spathulifolium E. K. Balls 1949-7-10 13966 Siskiyou Road from Sawyers Bar to Cecilville. 732 Comment
  HSC64818  Sedum spathulifolium var. spathulifolium J. P. Smith 1976-5-5 8688 Siskiyou Road between Sawyers Bar and Somes Bar 488 Comment
  UC711811  Senecio aronicoides Roxana S. Ferris and Laura Lorraine 1941-8-11 10505 Siskiyou slopes above Medicine Lake; Shasta National Forest Comment
  RSA0013328  Senecio aronicoides J. P. Smith 1976-5-21 8769 Siskiyou Klamath national Forest, Forest Foad 40N08, 6.9 miles from its junction with State Route 3 1524 Comment
  CAS-BOT-BC363591  Senecio fremontii var. fremontii John Thomas Howell 1939-8-8 15158 Siskiyou Black Mt., Marble Mts. Comment
  UC165416  Senecio hydrophiloides Geo. D. Butler 1909-6-22 956 Siskiyou foothills of Goosenest Mountain Goosenest Mountain Comment
  HSC45485  Senecio integerrimus Maralyn O'Meara 1974-5-25 426 Siskiyou On Rd. 8, ~4.7 mi. W of junction with Hwy. 3 1159 Comment
  CAS-BOT-BC363941  Senecio integerrimus var. exaltatus Geo. D. Butler 1910-5-1 1263 Siskiyou Humbug Mountain Comment
  CAS-BOT-BC364044  Senecio integerrimus var. major Harley P. Chandler 1901-6-1 1606 Siskiyou North Coast Ranges. Ridges and meadows near Marble Mountain 1981 Comment
  HSC69328  Senecio sylvaticus John Palmer 1980-8-12 745 Siskiyou Road to Bearground Spring from Beaver Creek Rd. 1341 Comment
  OBI55440  Senecio sylvaticus David J. Keil 1992-7-20 23499 Siskiyou Klamath Natl Forest, SW of Fort Jones. Along Forest rd 46N64, 6.5 mi W of Scott river Rd, 1 mi S of turnoff to Lover's camp Comment
  HSC19257  Senecio triangularis J. O. Sawyer 1968-7-9 403 Siskiyou Ridge between Sugar Creek and Duck Lake Creek drainages 2195 Comment
  UC618693  Senecio triangularis W. Bridge Cooke 1938-9-8 11678 Siskiyou along the creek and lower meadow below the middle meadow Panther Creek Meadow (Mount Shasta); , Panther Creek Meadow 2286 Comment
  CAS-BOT-BC364437  Senecio triangularis Gilbert Muth 1965-8-2 s.n. Siskiyou Meadow at Marble Valley Comment
  UC922277  Senecio triangularis Annie M. Alexander and Louise Kellogg 1949-7-19 5809 Siskiyou creeks and edge Paradise Lake; Marble Mountains, Paradise Lake 1920 Comment
  HSC64942  Sibbaldia procumbens D. L. Goforth 1979-7-19 266 Siskiyou Caribou Lakes Basin, lakeside at upper lake. 2134 Comment
  SBBG4687  Sidalcea glaucescens H. and M. Dearing 1938-6-27 2174 Siskiyou E of Bartle Comment
  SBBG4716  Sidalcea oregana H. and M. Dearing 1939-6-30 3757 Siskiyou Callahan-Trinity Alps Rd 1219 Comment
  SBBG25911  Sidalcea oregana D. Myrick 1966-8-9 1502 Siskiyou near Ward Lake, Mountain Meadow Ranch, Big Flat, Trinity Alps 2438 Comment
  UC18929  Sidalcea oregana subsp. spicata State Survey 1800-1 1434 Siskiyou Strawberry Valley Mt. Shasta, Strawberry Valley Comment
  SEINET9004861  Sidalcea oregana subsp. spicata G. D. Butler 1910-7-17 1728 Siskiyou Oro Frisco. Comment
  CAS-BOT-BC94411  Silene douglasii R. C. Wenk 2005-7-15 222 Siskiyou Trinity Alps, above South Fork of the Salmon River, along the Yellow Rose Mine trail. Top of pass, going N along ridge 2133 Comment
  HSC19443  Silene douglasii J. O. Sawyer 1969-8-4 1884 Siskiyou SE slope above S Sugar Lake 2165 Comment
  UC1540254  Silene douglasii Dean W. Taylor 1987-6-26 9063 Siskiyou 2 mi se from Medicine Lake (moist meadow margin near head of easternmost spring); Paynes Springs, se from Medicine Lake 1996 Comment
  UC922617  Silene douglasii Annie M. Alexander and Louise Kellogg 1948-9-8 5596 Siskiyou on e side at top grade between Sawyers Bar and Etna (Siskiyou Mountains); , btw Sawyers Bar and Etna 1737 Comment
  SBBG30596  Silene douglasii var. douglasii D. Myrick 1968-6-29 2059 Siskiyou Big Flat, head of Coffee Crk; Trinity Alps 1524 Comment
  UCD78001  Silene douglasii var. douglasii Robert E. Preston 2001-6-30 1651 Siskiyou Klamath National Forest, north slope of Rainbow Mountain, T42N R1W nw 1/4 of se 1/4 Section 14 1889 Comment
  CAS-BOT-BC388969  Silene grayi K. T. Stillman 1976-8-7 173 Siskiyou Marble Mountain Wilderness Area 2072 Comment
  HSC69003  Silene grayi Maralyn A. Renner 1980-7-28 2162 Siskiyou Above Pacific Crest Trail, near ridge 1799 Comment
  CAS-BOT-BC388941  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 2377 Comment
  CAS-BOT-BC389432  Silene lemmonii Alice Eastwood 1921-7-24 10745 Siskiyou Castle Lake Comment
  UC618595  Silene suksdorfii W. B. Cooke 1938-9-8 11648 Siskiyou n side of Red Butte , n side of Red Butte (Mount Shasta) Comment
  HSC44727  Silene vulgaris J. O. Sawyer, E. Cope 1977-6-18 2902 Siskiyou Along Clear Creek trail below Ten Mile Creek 457 Comment
  UC429226  Sisyrinchium bellum Annie M. Alexander and L. Kellogg 1911-7-16 250 Siskiyou South Fork of Salmon River Comment
  JEPS941  Sium suave Willis L. Jepson July, 1894 13241 Siskiyou n of Sisson (Mount Shasta, by the stage-road); Mount Shasta Comment
  UC1076036  Smilax californica Herbert L. Mason 1947-5-15 14756 Siskiyou nw Edgewood Comment
  CDA39211  Smilax californica County Ag Comm. Office 1957-10-17 s.n. Siskiyou M. Williams property. 0 Comment
  UC30091  Smilax jamesii Harley P. Chandler June, 1901 1625 Siskiyou ridges and meadows near Marble Mountain; North Coast Ranges 2133 Comment
  UCD126987  Solanum physalifolium var. nitidibaccatum R. C. Bacigalupi; S. Galen Smith 1957-6-27 5967 Siskiyou about 1.5 miles west of Weed, along U.S. Highway 99. 1074 Comment
  RSA237482  Solidago canadensis subsp. elongata Frederick W. Oettinger 1967-8-20 307 Siskiyou Northwest of Pine Lake, Salmon Mountains; Marble Mountain Wilderness Area. 1878 Comment
  CAS-BOT-BC365569  Solidago elongata H. A. Thomas; J. H. Thomas 1954-7-25 4534 Siskiyou Salmon - Trinity Mts. Vicinity of Rush Lake and Rush Creek Meadow. About 9 miles E of Cecilville 1981 Comment
  CAS-BOT-BC365575  Solidago elongata A. A. Heller 1916-8-24 12562 Siskiyou Near Sisson 1074 Comment
  HSC96880  Solidago elongata Gordon Leppig 1997-8-23 674 Siskiyou Russian Wilderness; cirque W of Little Duck Lake 2200 Comment
  UC609352  Solidago multiradiata Eleanor Burks Hart 1938-8-16 947 Siskiyou edge Lower Wright Lake 2072 Comment
  JEPS94994  Solidago velutina subsp. californica Vernon Oswald and Lowell Ahart 1997-7-28 8791 Siskiyou se of Medicine Lake at Paynes Springs, on floor and walls of Paynes Creek Canyon n of the campground Medicine Lake; Paynes Springs, Paynes Creek Canyon 1981 Comment
  UCD136124  Sonchus arvensis T. C. Fuller 1963-8-27 11162 -b Siskiyou south side of Dorris-Tulelake Road where the roadbed forms the north shore of Lower Klamath Lake, Lower Klamath Lake Wildlife Refuge. Around 12 miles west of Hatfield. Comment
  UC455693  Sonchus asper I. J. Condit 1911-7-13 Siskiyou Dunsmuir Comment
  CAS-BOT-BC157324  Sorbus californica Wm. Bridge Cooke 1939-6-30 13576 Siskiyou Along the Sisson Southern Trail Comment
  UC73083  Sorbus californica Milo S. Baker 1898-8-1 471 Siskiyou Medicine Lake Comment
  CAS-BOT-BC158929  Sorbus scopulina Gilbert Muth 1966-7-8 363 Siskiyou Marble Valley, Marble Mts. 1792 Comment
  HSC18982  Sorbus scopulina J. O. Sawyer 1969-8-4 1896 Siskiyou Above S Sugar Lake 2043 Comment
  HSC69211  Sorbus scopulina Maralyn A. Renner 1980-7-24 2082 Siskiyou Lily Pad Lake 1768 Comment
  RSA237451  Sorbus scopulina var. cascadensis Frederick W. Oettinger 1969-9-4 1665 Siskiyou S end of Tobacco Lake Basin. Salmon Mtns. High Lake Basins in the vicinity of English Peak. Marble Mtn Wilderness Area. 1951 Comment
  UC44993  Sorbus scopulina var. cascadensis W. L. Jepson July 1894 13850 Siskiyou Sisson 1082 Comment
  CAS-BOT-BC390724  Spergularia rubra M. S. Baker; Frank Nutting 1894-5-20 s.n. Siskiyou Near Redding Comment
  CHSC71602  Spiraea densiflora Vernon H. Oswald; Lowell Ahart 1998-8-3 9440 Siskiyou Near the Pacific Crest Trail in the Scott Mtns. west of Kangaroo Lake. 1981 Comment
  CAS-BOT-BC149680  Spiraea douglasii W. R. Dudley 1905-8-3 s.n. Siskiyou Sacramento River near [Sissons] Sisson Comment
  HSC18899  Spiraea douglasii J. O. Sawyer 1968-6-25 307 Siskiyou NE of N Horse Range Lake 2012 Comment
  RSA237598  Spiraea douglasii Frederick W. Oettinger 1969-8-16 1409 Siskiyou English Lake. Salmon Mtns. High Lake Basins in the vicinity of English Peak. Marble Mtn Wilderness Area. 1799 Comment
  JEPS78185  Spiraea douglasii Gary W. Zamzow 1972-7-20 97 Siskiyou 28.8 mi nw Highway 89 junction with Highway 299 (growing beside Highway 89) 1158 Comment
  SEINET3163886  Spraguea umbellata M. S. Baker 1893-1 sn Siskiyou Fall River Valley Comment
  RSA580059  Stachys rigida subsp. rigida Louis C. Wheeler 1935-7-26 3715 Siskiyou Jaynes Canyon; Siskiyou Mountains. (Mt. Diablo Mer.) 1951 Comment
  SEINET12558110 Image available Stellaria calycantha F. W. Oettinger, R. F. Thomas 1969-1 1166 Siskiyou High Lake Basins in the vicinity of English Peak, Marble Mountain wilderness area, above inlet to Hancock Lake. 1951 Comment
  CAS-BOT-BC391222  Stellaria longipes subsp. longipes Herbert L. Mason 1948-7-18 13611 Siskiyou Grass Lake Comment
  CHSC88120  Stellaria longipes var. longipes Jenny Marr 1993-7-1 130 Siskiyou Butte Valley Wildlife Area, +/- 7 air miles NW of the town of MacDoel. Meadow NW of Meiss Lake. 1349 Comment
  CAS-BOT-BC181463  Stellaria obtusa Doris K. Kildale 1928-8-18 6467 Siskiyou Near head of north fork of Salmon River at Farley's Upper Camp Comment
  CAS-BOT-BC375641  Stephanomeria lactucina Alice Eastwood 1917-9-2 6644 Siskiyou Shasta Springs Comment
  UCSB276  Stephanomeria lactucina Myrick, Donald 1964-7-25 Siskiyou Along Shasta Ski Bowl Highway, Mt. Shasta 1219 Comment
  CAS-BOT-BC375669  Stephanomeria paniculata Wm. Bridge Cooke 1938-7-22 11316 Siskiyou Mount Shasta. Sisson Southern Trail Comment
  CDA8849  Stephanomeria paniculata T. C. Fuller 1963-8-27 11159 Siskiyou Highway 97 to Weed, 5.7 miles south of Grass Lake Campground. 0 Comment
  CAS-BOT-BC375941  Stephanomeria virgata Geo. D. Butler 1910-8-7 1814 Siskiyou Humbug Mountain 1066 Comment
  HSC68567  Stipa lemmonii Maralyn A. Renner 1980-6-22 936 Siskiyou 1 mi. N of Little Shasta River 1402 Comment
  SEINET10603910  Stipa nelsonii Lawrence P. Janeway 1983-8-26 Janeway 606 Siskiyou Preston Peak quad (15'). At Poker Flat, a meadow in a fir forest. Mostly open, gravelly, dry ground on upper side of road on the North side of the meadow. 1524 Comment
  HSC67808  Stipa occidentalis var. californica J. O. Sawyer, J. Cole 1980-7-22 3948 Siskiyou NW slopes of Cedar Mtn. 1524 Comment
  UC455752  Streptanthus barbatus I. J. Condit 1909-8-25 Siskiyou along trail Sisson, North Fork 914 Comment
  CAS-BOT-BC87838  Streptanthus tortuosus Alice Eastwood 1912-7-19 1241 Siskiyou Mount Shasta. Comment
  CAS-BOT-BC87845  Streptanthus tortuosus John Thomas Howell 1937-7-22 13298 Siskiyou South Fork of Salmon River near Big Flat. 1524 Comment
  CAS-BOT-BC87868  Streptanthus tortuosus Lewis S. Rose 1937-7-3 37386 Siskiyou Black Butte, north of Mount Shasta City. 1005 Comment
  RSA120638  Streptanthus tortuosus G. D. Barbe 1955-6-28 21 Siskiyou 0.7 mile N of Callahan. 1006 Comment
  RSA237366  Streptanthus tortuosus Frederick W. Oettinger 1967-7-20 176 Siskiyou SSE of Diamond Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2073 Comment
  UC1492808  Streptanthus tortuosus Freed W. Hoffman 1950-7-14 3382 Siskiyou Clear Creek Trail near Baldy Lookout (w Siskiyou Co.) Comment
  UC1492825  Streptanthus tortuosus Freed W. Hoffman 1951-7-12 4031 Siskiyou trail to Elk Lake Marble Mountains Comment
  UC710894  Streptanthus tortuosus var. orbiculatus C. L. Hitchcock and J. P. Martin 1939-7-7 5281 Siskiyou on side Sanger Peak 1645 Comment
  SEINET10448528  Streptanthus tortuosus var. orbiculatus Mary Susan Taylor 1980-8-18 Taylor 3263 A Siskiyou T43N R1E sw sec 8, Medicine Lake quad. Shasta-Trinity Natl Forest, Little Mount Hoffman, W side, between road and look out. With J. Prouty & E. Heinz. 2225 Comment
  SBBG30518  Streptanthus tortuosus var. pallidus D. Myrick 1968-6-27 2044 Siskiyou trail to Lake Josephine above Carter's Ranch 5 mi S of Big Flat 1828 Comment
  OBI9065  Styrax redivivus H. E. McMinn 1931-6-26 2493 Siskiyou Pit River Bridge and hwy Comment
  UC889891  Symphoricarpos albus var. laevigatus Alice Eastwood 1912-7-17 1192 Siskiyou Sisson Comment
  CAS-BOT-BC234799  Symphoricarpos mollis Alice Eastwood 1921-7-26 10870 Siskiyou Soda Creek Comment
  HSC42903  Symphoricarpos mollis J. O. Sawyer, Ken Stillman 1976-5-28 2729 Siskiyou Along Rd. W of Sawyers Bar. 610 Comment
  CAS-BOT-BC269708  Symphoricarpos mollis W. R. Dudley 1901-8-24 s.n. Siskiyou Four Mile [Fourmile] Creek Trail, Salmon Mts. Comment
  HSC58870  Symphyotrichum bracteolatum Marvin Butler 1971-8-11 308 Siskiyou Near Youngs Valley, close to the town of Cave Junction 1403 Comment
  UC60979  Symphyotrichum bracteolatum Geo. B. Grant 1902-9-1 5157 Siskiyou Mount Shasta Comment
  CAS-BOT-BC97874  Symphyotrichum eatonii Louis C. Wheeler 1934-9-19 3284 Siskiyou Klamath National Forest, Walker 518 Comment
  CAS-BOT-BC97883  Symphyotrichum eatonii Elmer I. Applegate 1923-9-7 3970 Siskiyou Doggett Ridge, south slope of Siskiyou Mountains Comment
  CAS-BOT-BC97947  Symphyotrichum frondosum Geo. D. Butler 1910-9-13 1873 Siskiyou Butte Valley 1280 Comment
  UC1409458  Symphyotrichum hendersonii F. W. Oettinger 1969-8-16 1407 Siskiyou below, central areas of Wiregrass Meadow English Lake; Salmon Mts., English Peak Comment
  UC1282018  Symphyotrichum spathulatum Louise Kellogg Aug 8 1953-Aug 9 1953 117 Siskiyou Scott Mountain Public Campground Scott Mountains, Klamath National Forest 1630 Comment
  UC135424  Symphyotrichum spathulatum C. F. Baker 1903-9-8 3856 Siskiyou Mt. Eddy Comment
  UC817369  Taeniatherum caput-medusae Louis C. Wheeler 1935-6-4 3546 Siskiyou Grenada, Shasta Valley Shasta Valley; Grenada, Shasta Valley 792 Comment
  HSC67940  Taraxacum erythrospermum J. P. Smith 1973-5-5 6489 Siskiyou Along Cook and Green Pass Rd. Comment
  CAS-BOT-BC81349  Taxus brevifolia John Thomas Howell 1937-7-26 13563 Siskiyou Between Big Flat and Caribou Gulch Comment
  CAS-BOT-BC85247  Taxus brevifolia Doris K. Kildale 1929-8-24 8843 Siskiyou Preston Peak 2225 Comment
  HSC68398  Taxus brevifolia Maralyn A. Renner 1980-7-4 1451 Siskiyou Clear Creek Trail, N of Trout Camp. 1037 Comment
  UC1408874  Taxus brevifolia Frederick W. Oettinger 1968-8-13 504 Siskiyou on open dry site of decomposed granite rock near outlet on ne side Hancock Lake Salmon Mountains, Marble Mountains Wilderness Area, Mt. Chap 1935 Comment
  CAS-BOT-BC447417  Tellima grandiflora Annie M. Alexander; Louise Kellogg 1920-5-1 s.n. Siskiyou Sky High Valley, Marble Mountains 1767 Comment
  RSA94943  Tetradymia canescens F. W. Peirson 1923-7-19 3928 Siskiyou Whitney Creek, Mt. Shasta. Comment
  CAS-BOT-BC392305  Thalictrum fendleri D. M. Traugh 1933-8-7 15 Siskiyou Klamath National Forest. Marble Valley 1828 Comment
  CAS-BOT-BC88067  Thelypodium brachycarpum L. E. Smith 1914-5-21 706 Siskiyou Montague. Comment
  CAS-BOT-BC344988  Thelypteris nevadensis Dana York 2013-6-14 3170 Siskiyou Klamath National Forest, Siskiyou Wilderness, ca 825 km N of Raspberry Lake just W of main trail 1575 Comment
  MACF002236  Thelypteris nevadensis Donald L. Branscomb 1958-7-29 27256 Siskiyou Castle Lake Comment
  UC1094392  Thlaspi montanum var. montanum Rimo C. Bacigalupi with Galen Smith 1957-6-26 5951 Siskiyou above s end Gumboot Lake (ca 6 mi due s Mt. Eddy, head of South Fork Sacramento River, Gumboot Lake); head of South Fork Sacramento River, Gumboot Lake 1859 Comment
  RSA605353  Tiarella trifoliata var. unifoliata Louis C. Wheeler 1959-7-25 7602 Siskiyou Marble Mountains: Camp Three, Rogers Creek. Comment
  RSA757026  Tofieldia glutinosa subsp. occidentalis Barbara Ertter 1990-7-14 9346 Siskiyou Wagon Creek on east side of Mt. Eddy, ca. 4 air miles west of Mt. Shasta City 1829 Comment
  SBBG56745  Torreyochloa pallida A. Eastwood 1912-7-17 Siskiyou McCloud Comment
  SEINET5357974  Torreyochloa pauciflora E. Palmer 1892-1 2615 Siskiyou Near Mt. Shasta Comment
  CHSC4160  Toxicoscordion venenosum var. venenosum R. Carter 1966-5-15 404 Siskiyou Location: 1.7 mi. SE Callahan, 1.1 mi. S intersection Callahan-Gazella Rd. and Old Oregon State Rd. 1310 Comment
  RSA82893  Tragopogon dubius J. M. Tucker 1950-7-24 1945 Siskiyou On outskirts of the town of Mt. Shasta. Comment
  UCD136889  Tragopogon dubius J. M. Tucker 1950-7-24 1945 Siskiyou Outskirts of town of Mt. Shasta. Comment
  HSC43834  Tragopogon porrifolius Maralyn O'Meara 1974-5-27 488 Siskiyou Along FS Rd. 47N03 1280 Comment
  SEINET7972552  Trichostema lanceolatum G. D. Butler 1910-7-28 1793 Siskiyou Near Yreka Comment
  HSC68369  Trientalis latifolia J. P. Smith 1973-5-5 6369 Siskiyou In and around the O'Neill Campground near Seiad Valley. 488 Comment
  POM28069  Trifolium cyathiferum Geo. D. Butler 1910-6-3 1473 Siskiyou Quartz Valley. Comment
  UCSC008680  Trifolium cyathiferum Randall Morgan 2003-7-12 3012 Siskiyou Cleghorn Meadow, circa 13 road miles north of Highway 96 on Oak Knoll Ranger Station Road, +/- east of Klamath River Village Comment
  CAS-BOT-BC219042  Trifolium howellii Doris K. Kildale 1928-8-18 6434 Siskiyou Finley's Upper Camp near head of north fork of Salmon River 1676 Comment
  HSC30416  Trifolium howellii Frederick W. Oettinger 1968-7-17 557 Siskiyou Pine Lake Meadow; elev. 6150 ft 1875 Comment
  UC630859  Trifolium howellii P. B. Kennedy Siskiyou Shackleford Creek Comment
  HSC71103  Trifolium longipes Thomas W. Nelson, Jane P. Nelson, J. P. Smith 1978-7-24 4509 Siskiyou Along W side of Hwy. 3 just N of Scott Mtn. Summit 1616 Comment
  UCD111257  Trifolium longipes AHM 1953-7-29 KNF 15 Siskiyou Trinity county line. Steavale Canyon. 1524 Comment
  UC1045267  Trifolium longipes subsp. elmeri W. B. Cooke 1940-6-6 15037 Siskiyou Near Castle Lake Road. 1524 Comment
  RSA237890  Trifolium longipes subsp. elmeri Frederick W. Oettinger, Robert F. Thorne 1969-8-8 1298 Siskiyou Sundew Bog near English Lake. Salmon Mtns; High Lake Basins in the vicinity of English Peak; Marble Mountain Wilderness Area. 1829 Comment
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  UC16580  Trifolium longipes var. hansenii Harley P. Chandler 1901-6-1 1580 Siskiyou near Marble Mtn; North Coast Ranges 1828 Comment
  UC52259  Trifolium macrocephalum W. T. Mooney May 1903 Siskiyou Yreka Comment
  UCD109295  Trifolium pratense L. Whitney 1934-6-24 s.n. Siskiyou location unknown. 1463 Comment
  HSC36434  Trifolium productum J. O. Sawyer 1969-7-24 1478 Siskiyou SW of Sugar Lake 1890 Comment
  RSA237892  Trifolium wormskioldii Frederick W. Oettinger 1969-8-16 1406 Siskiyou Wiregrass meadow near English Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1707 Comment
  UC164025  Trillium albidum Geo. D. Butler 1908-7-19 1087 Siskiyou Humbug <road> Comment
  HSC68314  Trillium ovatum Maralyn A. Renner 1980-6-26 1226 Siskiyou SE edge of Flint Valley. 1390 Comment
  CHSC187  Triodanis biflora 1943-8-5 Siskiyou Scott Valley. Comment
  HSC34133  Trisetum spicatum J. O. Sawyer 1969-8-5 1779 Siskiyou Near Little Duck Lake 2073 Comment
  HSC71074  Triteleia bridgesii M. A. Baker 1980-6-20 2196 Siskiyou Near Bald Mtn. 275 Comment
  HSC73275  Triteleia bridgesii Gail Newton 1980-6-20 471 Siskiyou Near Bald Mtn. 1097 Comment
  CAS-BOT-BC522334  Triteleia hyacinthina Alice Eastwood 1921-7-24 10795 Siskiyou Castle Lake Comment
  UC765407  Triteleia ixioides subsp. anilina W. Bridge Cooke 1939-6-23 13540 Siskiyou in lower part Wagon Camp Flats (Mount Shasta); Mount Shasta Comment
  HSC69718  Tsuga mertensiana Maralyn A. Renner 1980-7-16 1795 Siskiyou Hancock Lake inlet 1951 Comment
  CAS-BOT-BC74105  Turritis glabra Milo S. Baker 1925-4-8 254 a Siskiyou Highway East Blue Lakes. Comment
  CAS-BOT-BC391313  Vaccaria hispanica L. E. Smith 1914-6-24 723 Siskiyou Sisson Comment
  HSC18868  Vaccinium cespitosum J. O. Sawyer 1968-7-22 532 Siskiyou Between Handcock and Diamond Lakes 1951 Comment
  HSC19520  Vaccinium cespitosum J. O. Sawyer 1969-7-18 1161 Siskiyou E of Waterdog Lake 2012 Comment
  CAS-BOT-BC199191  Vaccinium cespitosum W. R. Dudley 1899-8-15 s.n. Siskiyou In Black Fox Comment
  CAS-BOT-BC199237  Vaccinium membranaceum Wm. Bridge Cooke 1940-6-6 15032 Siskiyou Along the Castle Lake road Comment
  HSC68383  Vaccinium membranaceum Maralyn A. Renner 1980-6-26 1205 Siskiyou N edge of Flint Valley 1390 Comment
  JEPS66683  Vaccinium membranaceum Joseph P. Tracy 1935-8-1 14419 Siskiyou 3 mi e of Salmon Summit (Head of Knownothing Creek); Knownothing Creek 1767 Comment
  RSA238839  Vaccinium membranaceum Frederick W. Oettinger 1968-9-7 763 Siskiyou East side of Tobacco Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1890 Comment
  RSA238867  Vaccinium membranaceum Frederick W. Oettinger 1968-8-1 344 Siskiyou SW side of Little Hancock Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2043 Comment
  CAS-BOT-BC199529  Vaccinium uliginosum Wm. Bridge Cooke 1939-7-7 13606 Siskiyou At Wagon Camp Comment
  HSC76881  Valeriana californica K. T. Stillman 1976-6-27 151 Siskiyou Marble Mtn. Wilderness Area. Comment
  UCD137622  Valeriana sitchensis Alfred H. Murphy 1961-7-19 61 E Siskiyou Marble Mtns., Klamath National Forest, Sky High Valley, north end. 1584 Comment
  UC7408791  Valeriana sitchensis subsp. sitchensis Frederick W. Oettinger 1968-8-6 425 Siskiyou along stream at se corner of Hancock Lake (High Lake Basins in vicinity of English Peak); Salmon Mountains, Marble Mountain Wilderness Area 1935 Comment
  HSC36208  Veratrum californicum var. californicum John Rehling 1975-8-11 104 Siskiyou S end of Little Duck Lake Comment
  HSC44854  Veratrum californicum var. californicum J. P. Smith, Steve Selva 1970-6-16 4029 Siskiyou 4 mi. from Hwy. 3 on Rd. 8 to Sugar Creek. 1159 Comment
  UCD14452  Veratrum viride John M. Tucker 1972-8-8 4243 Siskiyou Marble Mountains. 1889 Comment
  CDA39371  Veratrum viride F. D. Horn 1977-8-7 s.n. Siskiyou Carter Meadows, Long Gulch Creek, along Cecilville-Callahan Road, southwest of Callahan. 0 Comment
  RSA237907  Veratrum viride Frederick W. Oettinger 1969-9-2 1591 Siskiyou Bear Meadow near Tom Tyler [Taylor] Cabin. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1997 Comment
  UCSB14918  Verbascum blattaria Breedlove, Dennis 1962-6-11 Siskiyou Scott River, 3.5 miles south of Scott Bar 609 Comment
  JEPS16831  Veronica americana Geo. D. Butler 1908-6-28 450 Siskiyou Oro Fino, at L. Eastlick's Ranch Oro Fino Comment
  JEPS16834  Veronica americana Geo. D. Butler 1908-7-22 451 Siskiyou near Yreka (Butler's Ranch); Butler's Ranch Comment
  UC444943  Veronica peregrina subsp. xalapensis W. A. Setchell, C. C. Dobie 1902-7-14 Siskiyou Mount Shasta, Sisson Sisson; Mount Shasta, Sisson Comment
  HSC61935  Veronica serpyllifolia subsp. humifusa Ruby Van Deventer 1959-7-9 Siskiyou Poker Flat 1555 Comment
  HSC29283  Veronica serpyllifolia subsp. humifusa Frederick W. Oettinger 1968-9-5 720 Siskiyou Marble Mtn. Wilderness Area, along trail SE side of Hancock Lake 1890 Comment
  CDA6413  Veronica triphyllos T. C. Fuller 1961-5-16 6947 Siskiyou Behind El Rancho Motel, Yreka. 0 Comment
  HSC22479  Veronica wormskjoldii J. O. Sawyer 1969-7-10 1148 Siskiyou W of Lower Russian Lake, along trail 2073 Comment
  SFV5179  Vicia americana var. americana B. C. Templeton 1960-6-21 8651 Siskiyou Klamath Mountains Near the top of Scott Mountain. On mountain slopes. 1645 Comment
  UC375421  Vicia americana var. americana Geo. D. Butler 1908-6-22 1099 Siskiyou near Yreka Comment
  CAS-BOT-BC213721  Vicia pumila A. A. Heller 1905-6-1 7938 Siskiyou Between Upper Soda Spring and Shasta Retreat Comment
  CAS-BOT-BC5209  Vicia pumila A. A. Heller 1905-6-1 7938 Siskiyou Between Upper Soda Spring and Shasta Retreat Comment
  CAS-BOT-BC264072  Viola adunca Elizabeth McClintock; Wayne Roderick; Martha Roderick 1967-7-28 s.n. Siskiyou Gumboot Lake, Trinity Mountains 1828 Comment
  CAS-BOT-BC270231  Viola adunca D. E. Breedlove 1962-6-11 3369 Siskiyou Along State Highway 89, 17.6 miles E of McCloud, Cascade Mountains 1219 Comment
  RSA402173  Viola adunca M. B. Dunkle 1944-7-1 9063 Siskiyou Beaver Creek, Siskiyou Nat'l Forest. 1677 Comment
  SEINET11981108  Viola bakeri H. P. Chandler 1901-1 1688 Siskiyou Marble Mountain 2438 Comment
  UC581486  Viola beckwithii H. L. Mason 1930-3-28 68 Siskiyou near Weed Comment
  HSC39098  Viola glabella J. P. Smith, Steve Selva 1970-6-16 4072 Siskiyou 8 mi. W of Etna on road to Sawyers Bar. 1372 Comment
  HSC69176  Viola glabella Maralyn A. Renner 1980-8-6 2335 Siskiyou Cracker Meadow 1555 Comment
  CAS-BOT-BC536925  Viola glabella L. E. Smith 1913-4-29 153 Siskiyou McCloud Comment
  CDA36596  Viola glabella T. C. Fuller 1958-6-18 1788 Siskiyou Summit of Siskiyo