Search Results — 2000 specimen records retrieved (1361 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/cch_archive/).
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? Specimen ID Determination * Collector Collection Date Collection Number County Locality Elevation in meters Feedback
  CAS-BOT-BC78132  Abies X shastensis Roxana S. Ferris; Laura Lorraine 1948-6-12 11770 Siskiyou About 6 miles from Etna on forks of Salmon Road 1706 Comment
  CAS-BOT-BC77939  Abies amabilis Gilbert J. Muth 1969-8-5 1274 Siskiyou Ridge above Deep Lake 2194 Comment
  UC1138215  Abies amabilis Dorothy Parker 1957-7-20 Siskiyou Salmon-Marble Mountains 1981 Comment
  RSA0091807  Abies concolor Bonnie C. Templeton 1968-6-13 11329 Siskiyou Near Castle lake. 1981 Comment
  RSA237338  Abies concolor Frederick W. Oettinger 1969-8-5 1194 Siskiyou Above Willow Springs along the trail from Abbots Upper Cabin to English Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1677 Comment
  UC336763  Abies concolor unknown Sept. 1888 Siskiyou near Shasta Comment
  HSC5008  Abies lasiocarpa J. O. Sawyer 1968-10-8 754 Siskiyou W of Little Duck Lake 1936 Comment
  HSC69431  Abies magnifica Maralyn A. Renner 1980-7-16 1783 Siskiyou Hancock Lake inlet 1951 Comment
  SEINET3559843 Image available Abies magnifica James Montgomery 1969-7-24 80918 a Siskiyou Mount Shasta, Mount Shasta National Forest. 1981 Comment
  UC401385  Abies magnifica var. magnifica Annie M. Alexander and L. Kellogg 1911-6-20 160 Siskiyou Jackson L. Jackson Lake 1798 Comment
  UC718152  Abies procera Carl B. Wolf 1934-7-5 5969 Siskiyou on road to Horse Creek 2.8 mi from Dry Lake Lookout; Siskiyou Mts. 2133 Comment
  CAS-BOT-BC203224  Abutilon W. R. Dudley 1899-8-15 s.n. Siskiyou Near trail to Black Fox Mountain Comment
  CAS-BOT-BC330620  Acer circinatum Alice Eastwood 1923-7-1 1346 Siskiyou Cantara Comment
  RSA96934  Acer circinatum Percy C. Everett, E. K. Balls 1954-10-11 20270 Siskiyou South fork of Sacramento River, 3 miles southwest from town of Mt. Shasta on road to Castle Lake 884 Comment
  UC1199014  Acer glabrum Joseph P. Tracy 1935-8-1 14403 Siskiyou on ridge between Salmon and New Rivers (Rock Lake, at extreme head of West Fork of Knownothing Creek); Rock Lake, extreme head West Fork Knownothing Creek 1889 Comment
  UCR37595  Acer glabrum K. Faber, Et al 1984-5-26 50 Siskiyou 0.7 mi. from Scott Mtn. 1672 Comment
  CAS-BOT-BC331050  Acer glabrum var. glabrum R. J. Mastrogiuseppe; J. D. Mastrogiuseppe 1974-9-2 s.n. Siskiyou Near Kidd Creek Comment
  UC454748  Acer glabrum var. glabrum I. J. Condit 1911-7-10 Siskiyou Shasta Retreat Comment
  HSC60847  Acer glabrum var. torreyi Ruby Van Deventer 1962-8-15 Siskiyou Above Bell Echo Camp in Youngs Valley 1220 Comment
  UC796498  Acer macrophyllum Roxana S. Ferris and Laura Lorraine Jun 12 1948-Jun 16 1948 11778 Siskiyou on forks of Salmon Road about 5.5 mi from Etna; Forks of Salmon road Comment
  UC166209  Acer negundo Geo. D. Butler 1910-6-30 1617 Siskiyou Yreka Creek Comment
  CAS-BOT-BC336934  Acer negundo var. californicum W. B. Cooke; V. G. Cooke; Bob Frenkel 1963-7-12 34324 Siskiyou Memorial Highway below McBride Springs, Mt. Shasta 1432 Comment
  UC1045301  Achillea millefolium W. Bridge Cooke 1904-7-7 15480 Siskiyou along west rim near upper limits of Hudsonian Zone Mud Creek Canyon; Mount Shasta 2743 Comment
Read comments
Oct 9 2007
  UC144341  Achillea millefolium A. A. Heller 1905-6-19 8067 Siskiyou Grenada Comment
  CAS-BOT-BC18867  Achillea millefolium William Bridge Cooke 1939-7-21 13705 Siskiyou Mount Shasta, above and south of the Municipal Spring along an old road 1280 Comment
  CAS-BOT-BC18868  Achillea millefolium William Bridge Cooke 1940-7-5 15252 Siskiyou Mount Shasta, Wagon Camp Meadow 1737 Comment
  CAS-BOT-BC30432  Achillea millefolium Gilbert J. Muth 1965-7-29 s.n. Siskiyou On top of Marble Mountain Lookout Comment
  CAS-BOT-BC260333  Achnatherum hymenoides J. R. Swallen 1940-6-4 15001 Siskiyou Mount Shasta. Along the Bolam Road 1219 Comment
  CAS-BOT-BC216928  Achnatherum occidentale Doris K. Kildale 1928-7-4 5512 Siskiyou Summit of divide between Saywers Bar and Etna Comment
  RSA135723  Achnatherum occidentale subsp. californicum H. A. Thomas, John H. Thomas 1954-7-24 4513 Siskiyou Salmon-Trinity Mts. Vicinty of Rush Lake and Rush Creek Meadow. About 9 miles E of Cecilville. 1829 Comment
  UC1133074  Achnatherum occidentale subsp. californicum H. A. Jensen 1933-7-27 Siskiyou Grey Butte Dunsmuir Quadrangle Comment
  UC156887  Achnatherum occidentale subsp. californicum Dr. E. B. Copeland 1903-8-16 3896 Siskiyou Mt. Shasta 2438 Comment
  SEINET255883  Achnatherum occidentale subsp. californicum Mary E. Barkworth, L. R. Firestone 1982-8-30 4095 Siskiyou Along roadside Cal 895 to Lassen Volcanic National Park from Weed; plentiful all along road south of Weed 975 Comment
  RSA17732  Achnatherum thurberianum Elmer I. Applegate 1935-6-8 9437 Siskiyou Bear Paw Cave, Lava Beds National Monument. Comment
  RSA716055  Achnatherum thurberianum L. Ahart, John Dittes 2005-6-9 12018 Siskiyou About 3/5 mile (air) south of Highway 99/97 Cutoff, about 2 1/2 miles (air) east-southeast of Grenada. 775 Comment
  HSC43029  Acmispon nevadensis J. O. Sawyer, Ken Stillman 1976-7-2 2802 Siskiyou Slopes and ridges E of Little N Fork Trail. 732 Comment
  UCD95368  Aconitum columbianum A. H. Murphy 1956-8-16 56 FF Siskiyou Tangle Blue Lake. 1767 Comment
  CAS-BOT-BC391536  Aconitum columbianum subsp. columbianum A. A. Heller 1914-8-28 11724 Siskiyou East side of Mt. Eddy 1310 Comment
  CAS-BOT-BC391523  Aconitum columbianum subsp. columbianum Wm. Bridge Cooke 1938-7-29 11420 Siskiyou Mount Shasta. Wagon Camp. In the Wagon Camp meadow. Also at Bear Springs Comment
  CAS-BOT-BC391585  Aconitum columbianum subsp. viviparum Gilbert Muth 1965-8-16 s.n. Siskiyou Marble Valley Comment
  CAS-BOT-BC412917  Aconogonon davisiae Alice Eastwood 1912-8-30 1994 Siskiyou Mount Eddy Comment
  HSC86457  Aconogonon davisiae D. K. Imper Jun 1987 Siskiyou 8 mi. E of the town of Mt. Shasta 2134 Comment
  SD53342  Aconogonon davisiae Darley F. Howe 1962-8-6 3407 Siskiyou Mt. Shasta 2438 Comment
  CHSC30237  Aconogonon newberryi M. S. Taylor; J. Prouty, E. Heinetz 1980-8-19 3269 Siskiyou Paint Pot Crater. 1920 Comment
  CAS-BOT-BC418816  Aconogonon phytolaccifolium Doris K. Kildale 1928-8-18 6499 Siskiyou Near head of north fork of Salmon River at Finley's Upper Camp 1524 Comment
  RSA184626  Adenocaulon bicolor Clare B. Hardham 1965-8-20 1302 Siskiyou Marble Mts. Granite Trail near Cudahy Lakes 1372 Comment
  HSC93000  Adiantum aleuticum Jennifer Whipple 1976-8-20 1723 Siskiyou Wagon Creek Drainage near Wagon Creek 2195 Comment
  UC637170  Adiantum aleuticum Edward Lee 1934-8-11 1033 Siskiyou Walker Creek, a tributary of Klamath River Walker Creek; e end Seiad Valley 609 Comment
  RSA577174  Adiantum aleuticum L. C. Wheeler 1934-8-23 3209 Siskiyou Jaynes Canyon, Siskiyou Mountains 915 Comment
  HSC102716  Aegilops cylindrica J. P. Smith 2013-6-18 13749 Siskiyou S. Main Street in Yreka. 838 Comment
  CHSC12950  Agastache parvifolia K. R. Stern; D. B. Joley, J. G. Geschke 1974-6-23 5834 Siskiyou Vicinity of Blue Grotto Cave, Lava Beds National Monument. 1456 Comment
  JEPS62933  Agastache urticifolia Geo. D. Butler 1908-8-6 171 Siskiyou trail beyond Whiskey Camp Whiskey Camp (Marble Mountains); , Whiskey Camp 1676 Comment
  POM210974  Ageratina occidentalis Louis C. Wheeler 1934-8-9 3070 Siskiyou Dead Cow Creek (Mt. Diablo Mer.) 1982 Comment
  CAS-BOT-BC15481  Agoseris X dasycarpa Roxana S. Ferris; Laura Lorraine 1941-8-11 10506 A Siskiyou Slopes above Medicine Lake, Shasta National Forest Comment
  CAS-BOT-BC15484  Agoseris X dasycarpa Alice Eastwood 1921-7-28 10880 Siskiyou Medicine Lake Comment
  HSC22431  Agoseris aurantiaca J. O. Sawyer 1969-7-18 1432 Siskiyou SW facing slope above Deacon Lee Trail 2195 Comment
  UC163887  Agoseris grandiflora Geo. D. Butler 1910-6-10 1555 Siskiyou Comment
  CAS-BOT-BC22774  Agoseris heterophylla Lewis S. Rose 1945-6-18 45108 Siskiyou Horse Creek and Klamath River 502 Comment
  UC163893  Agoseris heterophylla Geo. D. Butler 1910-4-21 1213 Siskiyou Oro Fino Comment
  JEPS94398  Agoseris monticola Vernon Oswald and Lowell Ahart 1997-7-28 8797 Siskiyou on the meadow s of Schonchin Spring Campground at Medicine Lake Medicine Lake 2057 Comment
  UC1025005  Agrostis exarata Leo Whitney 1935-7-15 3468 Siskiyou 2 mi se Medicine Lake; Bullseye Lake Comment
  UCD52129  Agrostis exarata Beecher Crampton 1956-8-22 3869 Siskiyou Wagon Camp Road, lower south slopes of Mt. Shasta. 1645 Comment
  CHSC88380  Agrostis exarata var. monolepis Jenny Marr 1993-7-1 185 Siskiyou Butte Valley Wildlife Area, +/- 7 air miles NW of the town of MacDoel. Meadow NW of Meiss Lake. 1349 Comment
  RSA239093  Agrostis humilis Frederick W. Oettinger 1969-8-22 1503 Siskiyou South side of Horse Hole, near Horse Range Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1860 Comment
  JEPS88997  Agrostis idahoensis Julie Kierstead 1992-9-5 92063 Siskiyou Modoc National Forest, at e end of Medicine Lake Medicine Lake; Modoc National Forest, Medicine Lake 2042 Comment
  HSC30552  Agrostis pallens Frederick W. Oettinger 1969-8-16 1411 Siskiyou Marble Mtn.Wilderness Area, English Lake, open dry rocky level NE of wiregrass meadow. 1677 Comment
  JEPS104859  Agrostis pallens Dean W. Taylor 1996-7-7 15810 Siskiyou Salmon Mountains; Ruffey Lakes (about 8 air miles southwest of Etna), in cirque above the upper lake; Klamath National Forest 2072 Comment
  RSA239091  Agrostis pallens Frederick W. Oettinger, Robert F. Thorne 1969-8-5 1188 Siskiyou west side of English Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1677 Comment
  RSA603995  Agrostis pallens L. C. Wheeler 1934-8-2 3020 Siskiyou Siskiyou Mountains: Head of Jaynes Canyon. (Mt Diablo Meridian) 2072 Comment
  HSC101547  Agrostis scabra J. P. Smith 2009-8-22 12658 Siskiyou Along the road to Bray. 1422 Comment
  SEINET3916651  Agrostis scabra J. P. Smith, J. O. Sawyer; Maralyn A. O'Meara 1972-7-4 5732 Siskiyou 1.4 miles south of sugar creek on Parrott Mill Road.; 0 1341 Comment
  UCD53370  Agrostis scabra Robert E. Preston 2001-8-26 1763 Siskiyou Klamath National Forest, north slope of Rainbow Mountain, Hemlock Lake. 1883 Comment
  HSC39912  Agrostis stolonifera J. P. Smith, Steve Selva 1970-7-16 4394 Siskiyou Along Klamath River, 2 mi. W of Seiad Creek 518 Comment
  UCD53688  Agrostis variabilis A. H. Murphy 1955-7-30 55 X Siskiyou Hamilton Camp, Marble Mountains, Klamath National Forest. 1828 Comment
  CAS-BOT-BC267064  Alisma W. R. Ernst 1958-8-8 284 Siskiyou Grass Lake area, about 32 miles S of Oregon state line on Highway 97 Comment
  UC57363  Allium acuminatum H. M. Hall and E. B. Babcock June, 1903 4086 Siskiyou Shasta Valley Sierra Nevada Mountains, Mount Shasta, Shasta Valley 1158 Comment
  CAS-BOT-BC459433  Allium acuminatum Lewis S. Rose 1945-6-18 45069 Siskiyou Horse Creek and Klamath River 502 Comment
  CAS-BOT-BC462377  Allium amplectens Geo. D. Butler 1910-5-17 1358 Siskiyou Dampland Yreka Comment
  HSC75124  Allium amplectens J. P. Smith, Thomas W. Nelson 1979-6-16 10144 Siskiyou Klamath National Forest, along USFS Rd. 40N03 0.3 mi. from its junction with SR 3, 2.72 mi. from county line 1463 Comment
  SEINET8112105  Allium amplectens G. D. Butler 1910-5-17 1358 Siskiyou Yreka. Comment
  CAS-BOT-BC462989  Allium bolanderi D E Breedlove 1962-6-10 3302 Siskiyou Along Indian Creek Road, 15.6 miles northwest of Happy Camp 975 Comment
  CAS-BOT-BC462995  Allium bolanderi Volney Rattan 1903-1-1 s.n. Siskiyou Klamath Comment
  HSC39467  Allium bolanderi var. mirabile J. P. Smith, Steve Selva 1970-6-15 Siskiyou Between Forks of Salmon and Cecilville. Comment
  HSC58838  Allium campanulatum Marvin Butler 1971-7-28 221 Siskiyou Near Marv's Meadow 2073 Comment
  UC164284  Allium campanulatum Geo. D. Butler 1908-8-9 111 Siskiyou summit above Cold Spring; Woolly Creek Comment
  UC1090392  Allium falcifolium Milo S. Baker 1957-6-16 13123 Siskiyou Scott Mt. 1645 Comment
  UC1561870  Allium falcifolium Barbara Ertter with Thomas J. Delendick 1987-5-17 6968 Siskiyou Summit Scott Mt. (1/2 mi e. of Rt. 3 on FR 40N08) 1706 Comment
  HSC77113  Allium falcifolium K. T. Stillman 1976-6-25 72 Siskiyou Above Elk Valley 1982 Comment
  UC15003  Allium siskiyouense Harley P. Chandler June, 1901 1647 Siskiyou Marble Mountain North Coast Ranges, Marble Mountain 2438 Comment
  HSC39474  Allium validum J. P. Smith, Steve Selva 1970-7-27 Siskiyou Gumboot Lake 1768 Comment
Read comments
Jun 7 2012
  UC843494  Allium validum A. A. Heller 1915-8-26 12233 Siskiyou Mt. Eddy 1828 Comment
  CAS-BOT-BC453447  Allotropa virgata Wm. Bridge Cooke 1939-7-21 13737 Siskiyou Mount Shasta: Along the Wagon Camp-Horse Camp Trail 2133 Comment
  HSC58964  Allotropa virgata Gilbert Muth 1976-7-28 5061 Siskiyou Near Sutcliffe Creek. Close to the town of Happy Camp, CA. 1415 Comment
  POM106426  Alnus incana subsp. tenuifolia Edward Palmer 1892-7-27 2559 Siskiyou Mount Shasta and vicinity. Comment
  HSC3405  Alnus rhombifolia C. B. Wolf 1927-8-26 1042 Siskiyou Along Klamath River, 4 mi. N of Gottville Comment
  CAS-BOT-BC169382  Alnus viridis subsp. sinuata Doris K. Kildale 1929-8-24 9022 Siskiyou Rattlesnake Meadow, trail to Preston Peak 1524 Comment
  HSC29280  Alnus viridis subsp. sinuata Frederick W. Oettinger 1968-9-8 779 Siskiyou Marble Mtn. Wilderness Area, near outlet of stream of English Lake 1753 Comment
  HSC62447  Alnus viridis subsp. sinuata Ruby Van Deventer 1959-7-9 Siskiyou Twin Valley Comment
  HSC69717  Alnus viridis subsp. sinuata Maralyn A. Renner 1980-7-15 1762 Siskiyou English Lake inlet 1780 Comment
  JEPS96880  Alnus viridis subsp. sinuata Dean W. Taylor 1999-8-12 17301 Siskiyou Mill Creek headwaters, Marble Mountains (ca. 4 miles W of Mugginsville, Quartz Valley), creek crossing on logging road Comment
  UCR143546  Alopecurus aequalis L. C. Wheeler 1934-6-26 2795 Siskiyou Siskiyou Mountains, Cottonwood Creek 838 Comment
  CHSC91341  Alyssum alyssoides Lowell Ahart; John Dittes 2005-6-9 12017 Siskiyou Pasture field, on the east side of a poor rock fence, about 300 yards east of where cattle water in the Shasta River, about 3/5 mile (air) south of Highway 99/97 Cutoff, about 2 1/2 miles (air) east-southeast of Grenada. 774 Comment
  CAS-BOT-BC17202  Alyssum alyssoides L. E. Smith 1913-5-27 299 Siskiyou Weed. Comment
  CAS-BOT-BC18600  Alyssum alyssoides A. A. Heller 1905-6-17 8054 Siskiyou Between Sisson and Barnard station. Comment
  CDA3622  Alyssum alyssoides Don Shaw 1984-4-8 Siskiyou Yreka Ager Road, Montague. 0 Comment
  SEINET3155432  Amaranthus blitoides G. D. Butler 1910-8-5 1812 Siskiyou Yuka Comment
  HSC68381  Amelanchier pallida Maralyn A. Renner 1980-6-26 1207 Siskiyou N edge of Flint Valley 1390 Comment
  RSA47626  Amelanchier pallida Roxana S. Ferris 1948-6-12 11800 Siskiyou At Mule Creek crossing on Scott Mt. Road so. of Callahan. 1463 Comment
  CAS-BOT-BC136902  Amelanchier utahensis Alice Eastwood 1921-7-24 10730 Siskiyou Castle Lake Comment
  CHSC91230  Amphiscirpus nevadensis Lowell Ahart; John Dittes 2005-6-9 12025 Siskiyou Meadow area along a small drainage, on the west side of a poor rock fence, about 150 yards east of where cattle water in the Shasta River, about 3/5 mile (air) south of Highway 99/97 Cutoff, about 2 1/2 miles (air) east-southeast of Grenada. 774 Comment
  CHSC91353  Amsinckia menziesii Lowell Ahart; John Dittes 2005-6-9 12046 Siskiyou Along the west side of a poor rock fence, about 300 yards east of where cattle water in the Shasta River, about 3/5 mile (air) south of Highway 99/97 Cutoff, about 2 1/2 miles (air) east-southeast of Grenada. 774 Comment
  CAS-BOT-BC45215  Anaphalis margaritacea L. E. Smith 1913-8-30 533 Siskiyou Mount Eddy Comment
  HSC61911  Anaphalis margaritacea Ruby Van Deventer 1939-7-18 Siskiyou Poker Flat 1585 Comment
  JEPS85080  Anaphalis margaritacea W. B. and V. G. Cooke with Ted Graves 1988-8-29 64234 Siskiyou s side, in Mud Creek drainage Mount Shasta; Shasta-Trinity National Forest, Mount Shasta 1584 Comment
  UC134306  Anaphalis margaritacea Copeland 1903-8-13 3816 Siskiyou Sisson Comment
  CAS-BOT-BC391754  Anemone Alice Eastwood 1912-8-30 1964 Siskiyou Mount Eddy Comment
  CAS-BOT-BC391808  Anemone deltoidea Harley P. Chandler 1901-6-1 1554 Siskiyou North Coast Ranges. Ridges and meadows near Marble Mountain 1828 Comment
  HSC68474  Anemone deltoidea Maralyn A. Renner 1980-6-26 1221 Siskiyou SE edge of Flint Valley. 1390 Comment
  RSA262470  Anemone deltoidea J. M. Tucker 1974-7-28 4310 Siskiyou Haypress Meadows, Marble Mtn Wilderness Area. 1463 Comment
  SEINET12087309  Anemone deltoidea A. Eastwood, Howell, J. T. 1937-1 5035 Siskiyou Salmon Mountains, 5 mi SW of Etna Comment
  HSC722  Anemone drummondii William J. Ferlatte 1966-6-23 120 Siskiyou Dorleska Summit 2134 Comment
  CAS-BOT-BC391853  Anemone drummondii Geo. D. Butler 1910-7-8 1683 Siskiyou Marble Mountain 1676 Comment
  CAS-BOT-BC391931  Anemone lyallii W. R. Dudley 1893-6-20 s.n. Siskiyou Near Castle Lake, Mt Shasta region Comment
  CAS-BOT-BC391977  Anemone occidentalis J. P. Smith; J. O. Sawyer 1973-8-14 7321 Siskiyou Hillside west of Cliff Lake 1981 Comment
  JEPS40860  Anemone occidentalis Paul C. Hutchison 1962-8-2 943 Siskiyou between Panther Meadow and top of ski lift Mt. Shasta 2895 Comment
  UC668273  Anemone occidentalis Joseph P. Tracy 1935-7-30 14386 Siskiyou in shell-rock cirque on n.e. side of peak Salmon Summit 2103 Comment
  JEPS107478  Anemopsis californica Lowell Ahart, John Dittes 2005-6-9 12024 Siskiyou Meadow area along a small drainage, on the west side of a poor rock fence, about 280 yards east of where cattle water in the Shasta River, about 3/5 mile (air) south of Highway 99/97 Cutoff, about 2 1/2 miles (air) east-southeast of Grenada 774 Comment
  HSC76747  Angelica arguta K. T. Stillman 1976-7-15 259 Siskiyou Marble Mountain Wilderness Area. 1951 Comment
  RSA749255  Angelica arguta K. M. Meyer, A. Townesmith 2007-7-31 180 Siskiyou Shasta-Trinity National Forest. 8.1 mi. on NF Rd. 17, off US Hwy 97. 1607 Comment
  RSA211191  Angelica tomentosa var. tomentosa William J. Ferlatte 1966-8-3 244 Siskiyou Trinity Alps: Big Flat, wooded area near public camp. 1524 Comment
  HSC86533  Antennaria alpina D. K. Imper Jun 1987 Siskiyou 8 mi. E of the town of Mt. Shasta 2134 Comment
  JEPS33962  Antennaria argentea Duncan Dunning 1922-6-5 Siskiyou Fort Jones; Moffett Creek Comment
  UC725677  Antennaria argentea A. A. Heller 1919-7-20 12475 Siskiyou Near Wagon Creek Falls, east side of Mt. Eddy. 1371 Comment
  HSC68582  Antennaria howellii Maralyn A. Renner 1980-6-24 1069 Siskiyou 1/2 mi. E of Cook and Green Pass 1555 Comment
  CAS-BOT-BC69101  Antennaria media Geo. B. Grant 1902-9-7 s.n. Siskiyou Mt. Shasta, Horse Camp. Comment
  RSA607256  Antennaria media L. C. Wheeler 1935-7-23 3690 Siskiyou Jaynes Canyon. Siskiyou Mts., Mt. Diablo Mer. 1951 Comment
Read comments
Jul 18 2011
  HSC61191  Antennaria racemosa Al Hobart 1967-8-8 Siskiyou El Capitan Comment
  POM230556  Antennaria rosea J. T. Howell 1937-7-21 13177 Siskiyou S Fork of Salmon river near Big Flat. 1524 Comment
  RSA238784  Antennaria rosea Frederick W. Oettinger 1968-8-14 516 Siskiyou Midway between Tom Taylor Cabin and English Peak L. O.; open site is granitic gravel and soil. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2005 Comment
  UC1409504  Antennaria rosea F. W. Oettinger 1969-8-22 1485 Siskiyou Pierce's Draw Salmon Mountains 1676 Comment
  CHSC70463  Antennaria rosea subsp. confinis M. Schweich 1997-6-17 4144 Siskiyou Payne's Spring, in rocks on rim of canyon. 1987 Comment
  CAS-BOT-BC280674  Anthoxanthum nitens Gus Hormay 1944-7-19 s.n. Siskiyou Kuck's Cabin, Bald Mountain, west of Mount Hebron 1828 Comment
  UCSB22757  Apocynum androsaemifolium Keefe, Joseph 1967-7-10 Siskiyou Indian Creak Road, 14.8 miles north of Happy Camp 914 Comment
  CHSC4712  Apocynum cannabinum R. Carter 1966-5-15 401 Siskiyou Ca. 5 mi. N of Callahan along W side of road on W side Scott R. 914 Comment
  CAS-BOT-BC394979  Aquilegia formosa John Thomas Howell 1939-8-8 15153 Siskiyou Black Mt., Marble Mts. Comment
  CAS-BOT-BC397938  Aquilegia formosa Annie M. Alexander; Louise Kellogg 1949-7-20 5820 Siskiyou Paradise Lake, Marble Mountains 1920 Comment
  CAS-BOT-BC397944  Aquilegia formosa Alice Eastwood 1921-7-24 10792 Siskiyou Castle Lake Comment
  UC1409275  Aquilegia formosa Frederick W. Oettinger 1968-8-6 422 Siskiyou se corner of Hancock Lake Salmon Mtns, Marble Mt. Wilderness Area 1935 Comment
  HSC58916  Aquilegia formosa var. truncata Marvin Butler 1971-7-19 152 Siskiyou Near El Capitan 1464 Comment
  UC1299659  Arabis Freed W. Hoffman 1951-7-15 4056 Siskiyou on w side Kelsey Creek (w Siskiyou County); Marble Mountains, Hammond Camp 1524 Comment
  HSC40062  Arabis divaricarpa J. P. Smith, Steve Selva 1970-6-16 4075 Siskiyou 8 mi. W of Etna on road to Sawyers Bar. 1372 Comment
  HSC6530  Arabis holboellii var. pinetorum Lincoln Constance, R. C. Rollins 1942-5-13 2914 Siskiyou Scott River, 10 mi. SW of Scott Bar 610 Comment
  HSC90561  Arabis platysperma var. howellii Jennifer Whipple 1976-7-9 1404 Siskiyou N facing slopes in the Eddy Creek drainage 2226 Comment
  HSC68419  Arabis subpinnatifida Maralyn A. Renner 1980-6-9 854 Siskiyou Ridge SE of FS Rd. 45N35 1341 Comment
  HSC67800  Arabis suffrutescens J. O. Sawyer, J. Cole 1980-7-22 3989 Siskiyou Little Horse Peak 1720 Comment
  CDA15524  Aralia californica G. F. Hrusa 1998-7-5 14692 Siskiyou Siskiyou Mountains; Cedar Camp Rd. +- 5 mi. E of Weitchpec on Hwy 96. N side of Hwy., at mile 5.x. Sheet 1 of 2 Comment
  UC164309  Aralia californica Geo. D. Butler 1908-8-24 457 Siskiyou Russian Creek, Eldredge's Corral Comment
  SD76161  Arbutus menziesii Helen V. Witham 1969-10-7 589 Siskiyou 6 miles south of Scott's Bar, Scott River. 500 Comment
  SEINET2471351  Arceuthobium abietinum R. L. Mathiasen 2007-9-18 2007 -49 Siskiyou 41.6 km N. of St. Rte. 96 on forest road 15N01 1420 Comment
  SEINET2140102  Arceuthobium californicum R. L. Mathiasen 2003-1 2003 -37 Siskiyou 16 km from St. Rte 96 on forest rd. 14N21 (Killon Mtn. Rd.). 1360 Comment
  SEINET3831773  Arceuthobium cyanocarpum R. L. Mathiasen 2012-1 1280 Siskiyou 2 km N of Park Creek Divide on FR. 17; On pinus monticola DOugl. ex D. Don 1990 Comment
  CAS-BOT-BC102220  Arctium minus Henry M. Pollard 1948-8-11 s.n. Siskiyou Irving Creek Comment
  CAS-BOT-BC27255  Arctostaphylos klamathensis T. Keeler-Wolf 1982-9-26 685 Siskiyou Terrace Lake 1950 Comment
  SEINET11989682  Arctostaphylos klamathensis Unknown 1982-1 20802 Siskiyou around little lake above & E of Upper Cliff Lake 1981 Comment
  CAS-BOT-BC105082  Arctostaphylos nevadensis R. C. Wenk 2008-7-25 942 Siskiyou Lily Pad Lake, just W of Kangaroo Lake, S of the Gazelle-Callahan Rd. Margin of lake 1798 Comment
  CAS-BOT-BC40020  Arctostaphylos nevadensis Doris K. Kildale 1929-8-25 9094 Siskiyou Wiskey Lake on trail to Preston Peak 1524 Comment
  CAS-BOT-BC45442  Arctostaphylos nevadensis Elizabeth McClintock; Wayne Roderick; Martha Roderick 1967-7-29 s.n. Siskiyou Mumbo Lake, Trinity Mts. A dammed lake. 1828 Comment
  UC1409401  Arctostaphylos nevadensis Frederick W. Oettinger 1968-8-2 366 Siskiyou 0.1 mi s Diamond Lake (high lake basins in vicinity of English Peak); Salmon Mountains, Marble Mountain Wilderness Area, Shasta R 2072 Comment
  CAS-BOT-BC46487  Arctostaphylos patula Ira L. Wiggins 1955-7-22 13459 Siskiyou Ridge w. of China Creek, s. side of s. fork of Salmon River. 944 Comment
  HSC92374  Arctostaphylos patula Jennifer Whipple 1976-7-2 1275 Siskiyou Dale Creek drainage on the N face of Mount Eddy 2195 Comment
  JEPS101962  Arctostaphylos patula Dean W. Taylor 1999-6-9 17229 Siskiyou Siskiyou Mountains, ca. 5 air miles WSW Hilt, very headwaters of South Fork Hungry Creek 1371 Comment
  RSA238577  Arctostaphylos patula Frederick W. Oettinger 1968-9-8 778 Siskiyou Just due N. of English Lake outlet. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1753 Comment
  RSA47603  Arctostaphylos patula Roxana S. Ferris, Laura Lorriane, R. T. Ferris 1948-6-12 11825 Siskiyou One mile below summit of Gazelle Mountain, Gazelle-Callahan grade, west side. 1220 Comment
  UCD53416  Arctostaphylos patula A. T. Leiser 1973-3-22 D 2504 Siskiyou Dunsmuir. Comment
  CAS-BOT-BC46488  Arctostaphylos patula W. B. C. 1939-8-4 13803 Siskiyou Along the Sisson Southern Trail. 1524 Comment
  SEINET11989685  Arctostaphylos patula subsp. patula R. Raiche, Radnik, K. 1982-1 20779 Siskiyou Humbug Rd near Yreka 914 Comment
  SEINET11988197  Arctostaphylos patula var. coalescens W. Roderick, Sigg, J. 1981-1 s.n. Siskiyou on road between Horsetail & Cook & Green Pass 1341 Comment
  RSA423698  Arenaria serpyllifolia L. C. Wheeler 1934-6-3 2623 Siskiyou Cherry Flat, Klamath River; Siskiyou Mts. 518 Comment
  RSA237421  Arnica amplexicaulis Frederick W. Oettinger 1968-9-4 698 Siskiyou On the SE side of Abbott's lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2073 Comment
  CAS-BOT-BC82249  Arnica chamissonis A. A. Heller 1940-7-23 15757 Siskiyou Grass Lake on U.S. Highway #97 Comment
  HSC4913  Arnica discoidea J. O. Sawyer 1968-7-23 616 Siskiyou Near Big Flat Campground, Trinity Alps Primitive Area 1524 Comment
  UC892213  Arnica discoidea Alice Eastwood 1912-7-15 1105 Siskiyou Mc Cloud Comment
  OBI55537  Arnica discoidea David J. Keil, Kathleen Keil 1992-7-24 23559 Siskiyou Klamath Natl forest E of Callahan. 1 mi N of Kangaroo Lake on Rail Crk rd 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-BC82668  Arnica latifolia John Thomas Howell 1939-8-2 14909 Siskiyou Spirit Lake, Marble Mts. 1828 Comment
  RSA184714  Arnica latifolia Gilbert Muth 1966-7-19 431 Siskiyou Marble Mountain Lookout Trail, Marble Mountains. 1829 Comment
  UCD129170  Arnica mollis J. M. Tucker 1974-7-28 4322 Siskiyou Marble Mountain Wilderness Area, Haypress Meadows. 1463 Comment
  RSA238807  Arnica viscosa Frederick W. Oettinger 1968-9-2 668 Siskiyou Above Upper English Lake. Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountains Wilderness Area. 1859 Comment
  UC1494015  Arnica viscosa Gerald B. Straley 1977-6-6 2002 Siskiyou Mt. Shasta (s side) Mt. Shasta 2590 Comment
  CAS-BOT-BC90096  Artemisia Alice Eastwood 1912-8-30 s.n. Siskiyou Mount Eddy Comment
  CAS-BOT-BC84976  Artemisia arbuscula subsp. arbuscula Louis C. Wheeler 1934-8-26 3226 Siskiyou Trapper Cr. - Klamath National Forest 1981 Comment
  UC179528  Artemisia douglasiana A. A. Heller 1914-8-25 11710 Siskiyou along the railroad embankment near Deetz <railroad> station (opposite Black Butte) 1158 Comment
  CAS-BOT-BC93890  Artemisia dracunculus Carl B. Wolf 1927-8-27 1130 Siskiyou On the Klamath River, 7 mi. below Happy Camp Comment
  HSC2271  Artemisia dracunculus Geo. D. Butler 1910-9-16 1878 Siskiyou Comment
  HSC2416  Artemisia norvegica subsp. saxatilis William J. Ferlatte 1966-8-5 342 Siskiyou Caribou Mtn. 2470 Comment
  UCR131603  Aruncus vulgaris L. C. Wheeler 1934-8-17 3179 Siskiyou Siskiyou Mtns., north side of White Mtn 1829 Comment
  CAS-BOT-BC400589  Asarum caudatum Alice Eastwood 1917-9-2 6679 Siskiyou Shasta Springs Comment
  HSC69541  Asarum caudatum Maralyn A. Renner 1980-8-6 2247 Siskiyou FS Rd. 40S07 crossing of Louse Creek 1127 Comment
  RSA416100  Asarum caudatum L. C. Wheeler 1934-8-9 3071 Siskiyou Jaynes Canyon (Mt. Diablo Mer.) 1738 Comment
  CAS-BOT-BC400692  Asarum hartwegii J. H. Thomas 1954-5-13 4132 Siskiyou Southwestern Siskiyou County. Salmon Mountains, Klamath National Forest. Near South Fork of Salmon River, 5 to 9 miles southeast of Cecilville. Vicinity of Blind Horse Creek 1066 Comment
  CAS-BOT-BC400701  Asarum hartwegii A. A. Heller 1905-6-5 7989 Siskiyou Plateau above Shasta Springs Comment
  UC164149  Asclepias speciosa Geo. D. Butler 1908-8-13 1019 Siskiyou near Yreka Comment
  CHSC53  Aspidotis densa V. Holt 1932-7-29 Siskiyou Mt. Eddy. 2438 Comment
  RSA13849  Aspidotis densa L. C. Wheeler 1934-8-13 3112 Siskiyou East Fork Horse Creek, Siskiyou Mountains 1982 Comment
  POM208194  Aspidotis densa L. C. Wheeler 1934-6-28 2814 Siskiyou Head of Little Soda Creek, Sterling Mountains 1433 Comment
  SEINET10568096  Aspidotis densa David B. Dunn, Melvin L. Conrad; Douglas G. LeDoux 1973-6-3 Dunn 20652 Siskiyou Vicinity of the Campground on the Salmon River, 8.3 mi W of Cecilville. Yellow pine forest with Douglas Fir. Area with mostly metamorphic rocks. Area very rocky and gravelly. Comment
  CAS-BOT-BC99243  Aster W. R. Dudley 1899-8-13 s.n. Siskiyou Near Pig Creek, McCloud Comment
  POM259366  Aster foliaceus var. parryi J. T. Howell 1939-8-2 14877 Siskiyou Spirit Lake, Marble Mountains. 1829 Comment
  SEINET516321  Aster frondosus Vernon H. Oswald 1998-9-16 9645 Siskiyou Vista point on Hwy. 161 adjacent to a marsh at the Lower Klamath NWR 5.3 mi E of Hwy. 97. 1244 Comment
  RSA44885  Aster ledophyllus J. C. Roos 1948-9-1 3949 Siskiyou Pass southwest of Etna Comment
  POM58128  Aster occidentalis var. occidentalis E. B. Copeland 1913-9-8 3856 Siskiyou Mt. Eddy Comment
  CAS-BOT-BC310334  Asteraceae R. C. Wenk 2005-7-15 236 B Siskiyou Trinity Alps, above South Fork of the Salmon River, along the Yellow Rose Mine trail 2042 Comment
  CAS-BOT-BC178816  Astragalus californicus Dorothy Parker 1948-6-14 s.n. Siskiyou Rail Creek, Plowman's Valley, east fork of Scott River Drainage 1203 Comment
  UC1601950  Astragalus californicus Katharine Brandegee July 1887 Siskiyou Ager Comment
  POM24211  Astragalus californicus Geo. D. Butler 1910-5-4 1284 Siskiyou Hamburg Mountain 1067 Comment
  UC163663  Astragalus californicus Geo. D. Butler 1909-4-15 593 Siskiyou Humbug Hills Comment
  UCD104695  Astragalus curvicarpus M. F. Wojciechowski; M. J. Sanderson 1998-6-17 809 Siskiyou Roadside, along US highway 97 at California-Oregon border. Comment
  CAS-BOT-BC200849  Astragalus utahensis Geo. D. Butler 1910-5-5 1283 Siskiyou Humbug Mountain Comment
  CHSC836  Astragalus whitneyi var. siskiyouensis E. G. England 1939-7-16 Siskiyou Mt. Eddy. 2133 Comment
  CAS-BOT-BC198716  Astragalus whitneyi var. siskiyouensis Elizabeth McClintock; Wayne Roderick; Martha Roderick 1967-7-29 s.n. Siskiyou Between turnoff to Picayne Lake and Mumbo summit, Trinity Mts. 1889 Comment
  HSC73331  Athyrium distentifolium var. americanum Gail Newton 1980-6-20 494 Siskiyou Near Bald Mtn. 1097 Comment
  POM197146  Athyrium filix-femina subsp. cyclosorum Geo D. Butler 1910-07 1675 Siskiyou Schackleford Creek 1220 Comment
  CAS-BOT-BC68715  Athyrium filix-femina var. californicum Gordon H. True; John Thomas Howell 1972-6-8 48861 Siskiyou South of summit on road from Takilma to Happy Camp Comment
  HSC35795  Athyrium filix-femina var. cyclosorum J. O. Sawyer 1968-6-18 171 Siskiyou Above S Russian Creek on W side. 1463 Comment
  UC185243  Athyrium filix-femina var. cyclosorum Geo. D. Butler 1910-7-8 1675 Siskiyou Shackleford Creek 1219 Comment
  CAS-BOT-BC17615  Athysanus pusillus George Dexter Butler 1910-3-27 1145 Siskiyou Near Yreka. Comment
  HSC4340  Atriplex prostrata L. C. Wheeler 1934-10-21 3331 Siskiyou Shasta Valley 4 mi. E of Grenada 869 Comment
  SEINET516325  Atriplex prostrata Vernon H. Oswald 1998-9-16 9650 Siskiyou Tour Route at Lower Klamath NWR 3 mi S of Hwy. 161. 1244 Comment
  RSA65340  Atriplex truncata L. C. Wheeler 1934-10-21 3330 Siskiyou Shasta Valley 4 mi E Grenada 869 Comment
  HSC9030  Avena fatua D. M. Thomson 1965-7-17 152 Siskiyou Lava Beds National Monument, N boundary Comment
  CDA10481  Balsamorhiza deltoidea T. C. Fuller 1962-6-11 8961 Siskiyou East side of Hwy 99 to Black Butte Summit, 4.1 miles south of Weed. 0 Comment
  POM30828  Balsamorhiza deltoidea Geo. D. Butler 1910-4-16 1180 Siskiyou Klamath hills Comment
  CAS-BOT-BC100049  Balsamorhiza hookeri Dorothy Parker 1951-5-20 s.n. Siskiyou on the summit of Scott Mountain 1630 Comment
  CAS-BOT-BC100054  Balsamorhiza lanata Richard R. Halse 1989-5-6 3818 Siskiyou Along Old Highway 99, 3.2 to 6.2 miles south of Gazelle, or 1.5 miles north of its junction with Old Stage Road 912 Comment
  CAS-BOT-BC100063  Balsamorhiza lanata Geo. D. Butler 1959-4-14 635 Siskiyou hills, Yreka Comment
  JEPS89306  Balsamorhiza lanata Dean W. Taylor 1997-6-12 16067 Siskiyou ca. 4 mi. w. Gazelle (hillslopes at base of Scott Mts. at mouth of Willow Creek, Shasta Valley); Klamath Region (eKR), China Mt. Quad., Shasta Valley 944 Comment
  RSA121103  Balsamorhiza sagittata M. H. Mitchell 1936-5-8 s.n. Siskiyou 0.25 mile east of Symbol Bridge on Road 1418 Comment
  JEPS73744  Beckmannia syzigachne George D. Butler 1908-6-25 484 Siskiyou Butler's Ranch near Yreka Comment
  HSC22119  Berberis aquifolium var. repens J. O. Sawyer 1969-6-11 837 Siskiyou NE facing slope near C.C.C. Rd. on the N fork of Horse Range Creek 1341 Comment
  HSC27230  Berberis aquifolium var. repens J. P. Smith, J. O. Sawyer 1971-9-18 4804 Siskiyou 0.2 mi. W of the jct. of Hwy. 3 and Rd. 8 N of Callahan. Comment
  HSC3351  Berberis nervosa Jerry Parker 1968-10-6 151 Siskiyou 1372 Comment
  CAS-BOT-BC75923  Berberis piperiana Doris K. Kildale 1929-4-27 7844 Siskiyou Cecilville upper South Fork of Salmon River. Comment
  CAS-BOT-BC75936  Berberis piperiana C. Hart Merriam 1919-10-12 s.n. Siskiyou Scott Valley (near Etna). Comment
  CAS-BOT-BC75999  Berberis pumila L. E. Smith 1913-5-4 249 Siskiyou Hornbrook. Comment
  CAS-BOT-BC169475  Betula occidentalis A. A. Heller 1918-7-16 13036 Siskiyou Mt. Eddy, W of Sisson, on open southeastern gravelly and stony slope 1524 Comment
  CAS-BOT-BC169485  Betula occidentalis Dorothy Parker 1947-4-27 177 Siskiyou Along the banks of the East Fork of Scott River Plowman's Valley 1158 Comment
  CAS-BOT-BC169491  Betula occidentalis Louis C. Wheeler 1934-6-27 2808 Siskiyou Cottonwood Cr., Klamath National Forest 792 Comment
  JEPS58657  Betula occidentalis Miss Edmonds Jul 1890 Siskiyou Comment
  JEPS87872  Betula occidentalis Vernon H. Oswald and Lowell Ahart 1994-8-1 6443 Siskiyou junction of Forest Road 17 3.3 mi sw junction with Stewart Springs Rd (w of Weed) 1706 Comment
  UC54210  Betula occidentalis H. M. Hall and E. B. Babcock June, 1903 4048 Siskiyou near Sisson; Sierra Nevada Mountains, Mt. Shasta, 18th crossing of Sacram 1036 Comment
  CAS-BOT-BC102125  Bidens cernua Verne Grant; Irving Schneider 1947-8-26 8295 Siskiyou Irrigation ditch west of Tule Lake Comment
  CDA10501  Bidens cernua G. Deal 1964-8-31 Siskiyou Lower Lake Road, 0.5 mile west of So. Merrill Road, Tulelake. 0 Comment
  CAS-BOT-BC413072  Bistorta bistortoides Geo. D. Butler 1909-6-23 969 Siskiyou Goosenest foothills Comment
  RSA52464  Blepharipappus scaber Dorothy Parker 1948-5-16 s.n. Siskiyou East side of Scott Valley 915 Comment
  CAS-BOT-BC15799  Boechera acutina John Thomas Howell 1937-7-26 13551 Siskiyou Caribou Gulch. Comment
  CAS-BOT-BC15805  Boechera acutina John Thomas Howell 1937-7-21 13205 Siskiyou South Fork of Salmon River near Big Flat. 1524 Comment
  JEPS53088  Boechera pauciflora Geo. D. Butler 1909-5-8 723 Siskiyou near Yreka Comment
  UCD77349  Boechera retrofracta Robert E. Preston 2002-7-14 1940 Siskiyou Klamath National Forest, N slope of Rainbow Mountain. 1716 Comment
  CAS-BOT-BC25613  Boechera retrofracta John Thomas Howell 1937-7-29 13633 Siskiyou Summit ridge of Scott Mountain between Siskiyou and Trinity counties. Comment
  UC1045263  Boechera sparsiflora Reed Rollins 1940-7-26 15365 Siskiyou Diller Canyon Mount Shasta 1828 Comment
  CAS-BOT-BC25930  Boechera suffrutescens John Thomas Howell 1937-7-21 13204 Siskiyou South Fork of Salmon River near Big Flat. 1524 Comment
  HSC96288  Boykinia major Gordon Leppig 1998-8-14 1009 Siskiyou Klamath National Forest, Russian Wilderness, Little Duck Lake Fen, cirque W of Little Duck Lake 2200 Comment
  JEPS74438  Boykinia major W. J. Ferlatte 1966-8-17 395 Siskiyou Caribou Basin; Trinity Alps, Caribou Basin 1981 Comment
  HSC86545  Boykinia major D. K. Imper 1987-7-21 Siskiyou 8 mi. E of Somes Bar 1372 Comment
  CAS-BOT-BC127858  Brickellia grandiflora John Thomas Howell 1939-8-4 15044 Siskiyou Marble Mts., Marble Rim 1889 Comment
  CAS-BOT-BC383117  Brickellia greenei Andrew Townesmith; Karen M. Meyer 2007-7-28 862 Siskiyou Shasta-Trinity National Forest. Along Forest Service route 26, 4.1 miles west of forest boundary 1277 Comment
  UCR19259  Brickellia greenei John C. Roos 1948-9-2 3975 Siskiyou 5 mi SW of Yreka Comment
  CAS-BOT-BC27803  Brickellia greenei Edward Lee Greene 1876-8-24 s.n. Siskiyou Scott Mountains Comment
  SEINET10570660  Brodiaea George D. Butler 1910-5-27 Butler 1415 Siskiyou Wet meadow Shasta Valley Comment
  SEINET10570598  Brodiaea capitata George D. Butler 1910-4-17 Butler 1192 Siskiyou Dry hills near Yreka Comment
  CAS-BOT-BC482219  Brodiaea coronaria var. coronaria Milo S. Baker 1934-6-24 8110 Siskiyou Along Hiwy in Sacto Canyon near Pollards Gulch 20 mi south of Dunsmuir Comment
  JEPS7633  Brodiaea elegans subsp. elegans Geo. D. Butler 1909-7-20 888 Siskiyou Highland Mine Comment
  JEPS69151  Bromus carinatus var. carinatus Geo. D. Butler 1909-6-22 842 Siskiyou Goosenest foothills Comment
  CAS-BOT-BC148796  Bromus carinatus var. marginatus John Thomas Howell 1939-8-2 14930 Siskiyou Spirit Lake, Marble Mountains. 1828 Comment
  CHSC116238  Bromus carinatus var. marginatus Barbara L. Wilson; Richard E. Brainerd 2010-8-5 16229 Siskiyou Shasta-Trinity National Forest, south of Mount Shasta itself, on road 40N88 at its junction with 41N31, 3.5 miles by road north of Highway 89. 1596 Comment
  HSC101401  Bromus carinatus var. marginatus J. P. Smith, J. O. Sawyer, R. J. Cole 2010-8-7 13068 Siskiyou Klamath National Forest, road to Crater Lake off Forest Service Road 40N24. 2005 Comment
  SEINET229957 Image available Bromus ciliatus Leila M. Shultz, John S Shultz 1985-6-23 8587 Siskiyou Lava Beds National Monument ca 20 mi S of Tulelake; western extension of the Great Basin in California 1341 Comment
  CDA1799  Bromus hordeaceus G. D. Barbe, J. T. Howell, T. C. Fuller 1980-5-2 2780 Siskiyou Yreka. West of Motel 6, south of town, north of Greenhorn Creek Road. Comment
  POM363434  Bromus marginatus M. B. Dunkle 1945-1 9320 Siskiyou Klamath National Forest, Marble Mountains. 2439 Comment
  RSA239076  Bromus orcuttianus Frederick W. Oettinger 1969-8-4 1157 Siskiyou near Halfway Spring between English Lake & Diamond Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1829 Comment
  UC164917  Bromus orcuttianus Geo. D. Butler 1908-7-20 469 Siskiyou Humbug Creek Comment
  SEINET10520365  Bromus orcuttianus A. Arthur Heller 1905-6-13 Heller s.n. Siskiyou Near Shasta Springs. Comment
  POM364041  Bromus suksdorfii M. B. Dunkle 1945-1 9326 Siskiyou Klamath National Forest, Marble Mountains. 2439 Comment
  CAS-BOT-BC161409  Bromus tectorum William Bridge Cooke 1938-7-1 11159 Siskiyou Above Bear Spring near the Bear Spring-Wagon Camp Road. 1676 Comment
  CAS-BOT-BC185591  Bromus tectorum Doris K. Kildale 1928-7-25 5905 Siskiyou Klamath River. Mack's Creek near Hamburg. Comment
  HSC100203  Bromus tectorum J. P. Smith, , J. O. Sawyer, & R. J. Cole 2011-5-22 13175 Siskiyou Along road from Cecilville to Forks of Salmon 743 Comment
  POM363991  Bromus tectorum M. B. Dunkle 1945-7-19 9232 Siskiyou Klamath National Forest; Marble Mts. Comment
  CAS-BOT-BC185379  Bromus vulgaris Gilbert Muth 1966-7-29 460 Siskiyou Marble Mountains. Marble Valley, by waterfall. 1798 Comment
  RSA751886  Bromus vulgaris P. M. Peterson, J. M. Saarela, C. J. Sears 2006-8-7 19729 Siskiyou Port Orford Cedar Botanical Area, Klamath National Forest. 1168 Comment
  HSC27036  Calamagrostis breweri J. P. Smith, J. O. Sawyer 1972-9-14 5813 Siskiyou W of Little Duck Lake 2073 Comment
  CAS-BOT-BC185267  Calamagrostis koelerioides A. A. Heller 1915-8-26 12243 Siskiyou North side of Mount Eddy. Comment
  HSC27333  Calamagrostis koelerioides J. P. Smith, J. O. Sawyer, M. O'Mera 1972-7-3 5711 Siskiyou E slope of Kangaroo Mtn., above Toehead Lake. 1890 Comment
  HSC30642  Calamagrostis koelerioides Frederick W. Oettinger 1969-9-3 683 Siskiyou Marble Mountain Wilderness Area, W of Horse Range Lake, NW of Horse's Hole Pond 1921 Comment
  RSA245255  Calamagrostis koelerioides J. O. Sawyer 1969-8-4 1880 Siskiyou Southeast slope above Sugar Lake. 2165 Comment
  UC204771  Calamagrostis koelerioides Geo. D. Butler 1910-7-7 1661 Siskiyou Shackleford Creek Comment
  SEINET7584065 Image available Calliscirpus criniger Frederick W. Oettinger 1968-8-2 350 Siskiyou Salmon Mountains, vicinity of English Peak Marble Moutain Wilderness Area, near Diamond Lake. 2073 Comment
  HSC65557  Callitropsis nootkatensis Rich White 1977-6-20 85 Siskiyou NE area around Devils Punchbowl 1433 Comment
  HSC68573  Calocedrus decurrens Maralyn A. Renner 1980-6-23 975 Siskiyou W Fork Seiad Creek 878 Comment
  CAS-BOT-BC487775  Calochortus coeruleus C. R. Quick 1950-6-21 50 -02 Siskiyou Upper Hungry Creek drainage, west of Hilt and east of Beaver Creek Comment
  JEPS113327  Calochortus elegans L. P. Janeway 2006-7-4 8795 Siskiyou Klamath Ranges. Scott Mountains; opening on spur ridge 1.9 km west-southwest of Scott Mountain Summit. Comment
  CAS-BOT-BC488625  Calochortus elegans F. D. Douthitt 1923-7-12 15 Siskiyou Dry Lake Mountain; Klamath Forest 2133 Comment
  CAS-BOT-BC488607  Calochortus elegans var. nanus Alice Eastwood 1923-5-20 11856 Siskiyou Shasta Springs Comment
  HSC81989  Calochortus nudus Thomas W. Nelson, Jane P. Nelson 1979-6-16 4867 Siskiyou Along SR 3, 2.2 mi. N of Scott Mtn. Summit 1341 Comment
  UC54188  Calochortus nudus H. M. Hall and E. B. Babcock Jun 1903 4067 Siskiyou n of Sisson (to near Upton); Sierra Nevada Mountains, Mount Shasta 1066 Comment
  UCD63043  Calochortus nudus Daniel Sanchez-Mata; Tomas Santamaria 2006-7-26 s.n. Siskiyou Weed. Rail Creek Road from Gazelle-Callahan Road. Kangaroo Lake. Kangaroo Lake Botanical Area. The Fen Trail. Scott Mountains, Klamath National Forest. 1850 Comment
  JEPS124744 Image available Calochortus nudus B. Corwin 1964-7-1 125 Siskiyou Rich soil on east side of rte 89, 12.2 miles south of Fowler Public Camp turnoff. Comment
  SEINET8197655  Calochortus nudus W. Roderick, D. Parker 1967-7-25 s.n. Siskiyou Scott Mountain, Cabin Meadow. 1829 Comment
  RSA124163  Calochortus persistens Marion Ownbey, S. J. Preece Jr. 1952-6-25 3341 Siskiyou Ridge road to Deadwood Lookout, mountains west of Yreka [8W?] Comment
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Jan 10 2020
  RSA0120951  Caltha biflora Frederick W. Oettinger 1968-8-3 379 Siskiyou Base of camp meadows, Diamond Lake. Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2012 Comment
  CAS-BOT-BC181500  Caltha leptosepala Milo S. Baker 1926-8-21 293 b-26 Siskiyou Wet spot near Sulphur Springs, 9 1/2 mi. from Mineral 2072 Comment
  RSA47126  Calycadenia ciliosa Doris K. Kildale 1925-9-6 1288 Siskiyou Somes Bar Comment
  CAS-BOT-BC273391  Calycadenia fremontii David D. Keck 1938-8-7 4851 Siskiyou Schoolhouse Hill, 5.5 m. NE of Callahan, on road to Gazelle 1100 Comment
  UC223708  Calycadenia fremontii Elmer I. Applegate 1923-9-10 3983 Siskiyou mouth of Salmon River Klamath River Comment
  UC1971695  Calycadenia truncata 1974-9-12 2160 Siskiyou 0.4 mi E of Somesbar on Salmon River Road 195 Comment
  UCD129885  Calycadenia truncata R. L. Carr 1974-8-17 2129 Siskiyou 4.0 miles west of Gazelle on Gazella-Callahan Road, south or Yreka. 950 Comment
  UCR70790  Calycadenia truncata subsp. scabrella L. C. Wheeler 1934-10-6 03310 Siskiyou Shasta Valley, 2 mi. SE of Yreka 856 Comment
  CAS-BOT-BC272744  Calycadenia truncata subsp. truncata Geo. D. Butler 1910-7-30 1801 Siskiyou Near Yreka Comment
  HSC64931  Calyptridium monospermum D. L. Goforth 1979-7-7 233 Siskiyou Klamath National Forest, near Deer Camp 1860 Comment
  HSC77017  Calyptridium umbellatum K. T. Stillman 1976-6-25 36 Siskiyou Marble Mtn. Wilderness Area, Marble Valley 1829 Comment
  JEPS52540  Calyptridium umbellatum Willis L. Jepson 1894-8-4 Siskiyou Mount Shasta, Niel's Camp Niel's Camp; Mount Shasta, Niel's Camp Comment
  UC598748  Calyptridium umbellatum C. Hart Merriam 1898-1 Siskiyou Mount Shasta, Wagon Camp Wagon Camp; Mount Shasta, Wagon Camp Comment
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Sep 19 2006
  UC642531  Calyptridium umbellatum W. Bridge Cooke 1939-7-13 13658 Siskiyou Red Butte, in The South Gate Red Butte; Mount Shasta, Red Butte 2499 Comment
  HSC29490  Calyptridium umbellatum Frederick W. Oettinger 1968-8-19 585 Siskiyou Marble Mtn. Wilderness Area, slope of Crapo Peak Meadow 2134 Comment
  CDA39861  Calystegia malacophylla D. H. Shaw & J. R. Keck 1977-7-19 s.n. Siskiyou Coffee Creek near Big Flat Campground, Klamath National Forest. 0 Comment
  HSC646  Calystegia malacophylla William J. Ferlatte Jul 1967 616 Siskiyou Along the Yellow Rose Mine Trail 1677 Comment
  SBBG30597  Calystegia malacophylla subsp. malacophylla D. Myrick 1968-6-27 2033 Siskiyou Big Flat Public Camp, head of Coffee Crk, Trinity Alps 1524 Comment
  UC1185276  Calystegia malacophylla subsp. malacophylla H. E. Brown June 1-10 1897 397 Siskiyou near Sisson; near Sisson 1083 Comment
  SEINET7126172  Calystegia occidentalis G. D. Butler 1910-5-23 1397 Siskiyou Humbug mountain 1067 Comment
  POM208190  Calystegia occidentalis subsp. occidentalis L. C. Wheeler 1934-6-28 2817 Siskiyou Little Soda Creek, Sterling Mt. 1067 Comment
  UCR21091  Camassia leichtlinii subsp. suksdorfii T. W. Fisher, Earl Oatman, R. E. Orth 1974-6-26 s.n. Siskiyou McIntosh Ranch on the McCloud River near Bartle 1220 Comment
  CAS-BOT-BC497584  Camassia quamash subsp. breviflora Geo. D. Butler 1909-6-22 890 Siskiyou Goosenest foothills Comment
  CAS-BOT-BC36989  Camelina microcarpa Alice Eastwood 1912-7-16 1137 Siskiyou McCloud. Comment
  CDA23024  Camelina microcarpa G. D. Barbe, T. C. Fuller, J. T. Howell 1980-4-28 2578 Siskiyou East of abandoned railroad station building and tracks, Grenada. Comment
  CAS-BOT-BC160896  Camissonia tanacetifolia subsp. tanacetifolia Peter H. Raven 1962-5-30 17898 Siskiyou U. S. Highway 97, 4.4 miles south of Dorris Comment
  SD88317  Campanula prenanthoides Darley F. Howe 1972-7-5 Siskiyou Near state line on Oregon to Happy Camp road. 1705 Comment
  SDSU1366  Campanula prenanthoides D. F. Howe 1962-8-4 3388 Siskiyou Baldy Mts. 1524 Comment
  SEINET10463325  Campanula prenanthoides Muth 1976-7-26 MUTH s.n. Siskiyou NR KELLEY LAKE, PRESTON PK QUAD, NR HAPPY CAMP 4498', COBBLY SOIL Comment
  SEINET10840344  Campanula prenanthoides Muth 1976-7-29 MUTH s.n. Siskiyou NR KUNTZ CR, SEIAD V. QUAD, NR SEIAD VALLEY 6001', FOREST FLOOR, COBBLY SOIL Comment
  UC1190263  Campanula prenanthoides Ira L. Wiggins 1955-7-23 13463 Siskiyou ridge w China Creek (s side of river); S Fork of Salmon River 960 Comment
  SEINET10462869  Campanula prenanthoides Chisaki 1959-8-20 CHISAKI 4736 Siskiyou NR CARTER MEADOW, CANYON OF E FORK SALMON RIVER 6000', RED FIR FOREST Comment
  SEINET10463362  Campanula prenanthoides Alice Eastwood 1921-7-25 Eastwood 10842 Siskiyou Bigelows, on the McCloud R. Comment
  SEINET10939017  Campanula prenanthoides A. Arthur Heller 1920-7-28 Heller 13486 Siskiyou ALONG HIGHWAY NORTH SLOPE OF SISKIYOU MTNS YELLOW PINE AND OAK BELT Comment
  UC803881  Campanula rotundifolia G. L. Stebbins Jr. with P. Dansereau, C. McMillan, and K. Narayan 1949-8-9 4022 Siskiyou Along Park's Creek, above Stewart Springs, 10 miles w of Weed. 1219 Comment
  SEINET10464346  Campanula rotundifolia Alice Eastwood 1912-8-30 Eastwood 2038 Siskiyou Mount Eddy Comment
  SEINET10463372  Campanula scabrella William R. Dudley 1899-8-26 Dudley s.n. Siskiyou SLOPES AND TOP OF MT. EDDY Comment
  POM59302  Campanula scouleri W. A. Setchell 1902-7-26 13688 Siskiyou Mt. Shasta. Sisson. Comment
  SD88346  Campanula scouleri Darley F. Howe 1972-7-6 4877 Siskiyou 1.3 miles south of Oregon State line on road to Happy Camp. 1645 Comment
  SEINET10872981  Campanula scouleri John G. Lemmon Lemmon s.n. Siskiyou Near Shasta Comment
  SEINET10905938  Campanula scouleri Edward L. Greene 1876-8-22 Greene 1010 Siskiyou SCOTT MOUNTAIN 1829 Comment
  SEINET12265033  Campanula scouleri M. Ownbey, Meyer, F. G. 1940-1 2226 Siskiyou 18 mi N of Happy Camp 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
  SEINET10463892  Campanula wilkinsiana Alice Eastwood 1912-9-1 Eastwood 2063 Siskiyou Mount Shasta Comment
  SEINET10840063  Campanula wilkinsiana Ditomaso 1980-8-21 DITOMASO 1893 Siskiyou Open area nest to Kidd Creek, in Kedd Creek Meadows, Trinity Alps Primitive Area 2042 Comment
  CAS-BOT-BC471262  Cardamine cordifolia Annie M. Alexander; Louise Kellogg 1949-7-24 5856 Siskiyou Trail to Bear Lake, Paradise Lake area, Marble Mountains 1920 Comment
  HSC47620  Cardaria draba J. P. Smith 1977-5-15 9069 Siskiyou Yreka Comment
  CAS-BOT-BC19761  Carex abrupta John Thomas Howell 1939-8-5 15066 Siskiyou Spirit Lake, Marble Mountains. 1828 Comment
  CAS-BOT-BC17866  Carex amplifolia Melissa A. Berry 1957-7-11 s.n. Siskiyou Sugar Creek CCC Road, west of Callahan. 1463 Comment
  CAS-BOT-BC17969  Carex angustata George Dexter Butler 1909-6-22 855 Siskiyou Goosenest foothills. Comment
  UCR228240  Carex atherodes Peter F. Zika 2010-7-21 25197 Siskiyou Cascade Range Highlands, Grass Lake, on north side of Route 97, 0.4 road miles east northeast of Grass Lake Rest Area 1540 Comment
  POM79948  Carex athrostachya E. B. Copeland 1903-9-7 2151 Siskiyou Mt. Eddy. 2134 Comment
  HSC76799  Carex bolanderi L. P. Janeway 1982-6-22 18 Siskiyou Next to creek 15 m below road from West Branch Guard Station towards Indian Creek 671 Comment
  UC823325  Carex brainerdii John Thomas Howell 1939-8-3 15008 Siskiyou Spirit Lake Marble Mts., Spirit Lake 1828 Comment
  JEPS25937  Carex brainerdii B. C. Goldsmith 1916-7-28 10 Siskiyou 20 mi n Bartles Comment
  CAS-BOT-BC34159  Carex breweri Leo Whitney 1934-6-17 2013 Siskiyou North side of Mt. Shasta. 2895 Comment
  UC670  Carex breweri Willis L. Jepson Aug 1894 Siskiyou Horse Camp Mount Shasta Comment
  SEINET7552949 Image available Carex breweri E. B. Copeland 1903-7-16 3517 Siskiyou Mt. Shasta. 3170 Comment
  CAS-BOT-BC34376  Carex cusickii John Thomas Howell 1937-7-23 13335 Siskiyou South Fork of Salmon River near Big Flat. 1524 Comment
  SEINET7557883 Image available Carex echinata Robert F. C. Naczi 1993-7-13 3267 Siskiyou Ca 7.5 mi SE of Callahan, along W side of route 3, 0.3 mi N of Trinity Co border. 1615 Comment
  SEINET7557910 Image available Carex echinata Frederick W. Oettinger 1968-8-3 372 Siskiyou Salmon Mountains. The high lake basins in the vicinity of English Peak Marble Mountain Wilderness Area. Midway on trail between Diamond Lake and Hancock Lake at "Base Camp". 2012 Comment
  CAS-BOT-BC19873  Carex echinata subsp. echinata J. D. Jokerst 1983-7-5 1822 Siskiyou Ca. 15 air miles east of McCloud. Atkin's Meadow - at its northeast corner near the adjacent Lodgepole Pine Forest. Comment
  CAS-BOT-BC19920  Carex epapillosa Alice Eastwood 1921-7-28 10955 Siskiyou Medicine Lake. Comment
  CAS-BOT-BC20753  Carex fracta David D. Keck 1938-8-7 4858 Siskiyou Scott Mountain Lodge, 2 mi. E of Callahan on E Fork of Scott River at junction with Mill Creek. 1000 Comment
  JEPS125992  Carex geyeri D. W. Taylor 1996-6-18 15699 Siskiyou Shasta-Trinity National Forest; Scott Mountains; bordering Shasta Valley, hillslopes about 4 miles S of Gazelle. Comment
  HSC82003  Carex gracilior Thomas W. Nelson, Jane P. Nelson 1979-6-16 4849 Siskiyou Along Hwy. 3, 2.7 mi. N of Scott Mtn. Summit 1341 Comment
  CHSC69096  Carex halliana Vernon Oswald; Lowell Ahart 1997-7-28 8798 Siskiyou Schonchin Spring Campground at Medicine Lake. 2057 Comment
  HSC39082  Carex halliana D. H. Norris May 1970 12284 Siskiyou Haypress Meadows, Marble Mtn. Wilderness Area Comment
  JEPS95092  Carex halliana Vernon Oswald and Lowell Ahart 1997-7-28 8798 Siskiyou s of Schonchin Spring Campground at Medicine Lake Medicine Lake 2057 Comment
  CAS-BOT-BC28085  Carex hoodii William Bridge Cooke 1938-7-15 11173 Siskiyou Mt. Shasta Springs. 1524 Comment
  CAS-BOT-BC7599  Carex inops subsp. inops L. E. Smith 1913-4-29 s.n. Siskiyou McCloud 986 Comment
  CHSC86243  Carex inops subsp. inops Martin J. Lenz 2003-6-9 18 Siskiyou 0.3 mi. up 100R1 logging road from Tom Young Rd. approx. 1 mi. WNW of Pondosa. UTM: Zone 10 608838N 4562152N. 1255 Comment
  CAS-BOT-BC7600  Carex inops subsp. inops 1938-7-22 11331 Siskiyou Mt. Shasta. 1981 Comment
  SEINET7562453 Image available Carex integra L. P. Janeway 2006-7-4 8790 Siskiyou Scott Mountain 7.5' Quad. Klamath Ranges. Scott Mountain, Darlingtonia fen and creeklet complex above Road 40N13 1.6 air km west of Scott Mountain Summit. 1728 Comment
  HSC166  Carex interior William J. Ferlatte 1966-8-2 236 Siskiyou Big Flat, between campground and S fork of the Salmon River 1524 Comment
  UC1576760  Carex jonesii Dean Wm. Taylor with Glenn L. Clifton and Rexford E. Palmer 1987-6-7 9025 Siskiyou Paynes Springs Upper Modoc Plateau, Medicine Lake highland 2011 Comment
  CHSC96613  Carex laeviculmis L. P. Janeway 2006-7-1 8721 Siskiyou Klamath Ranges. Salmon Mountains; just west of Carter Meadow, north side of South Fork Salmon River. 1579 Comment
  RSA724914  Carex laeviculmis L. P. Janeway 2006-7-1 8721 Siskiyou Klamath Ranges, Salmon Mountains; Just west of Carter Meadow, north side of South Fork Salmon River. 1579 Comment
  UCD140500  Carex lenticularis var. impressa A. H. Murphy 1960-8-9 60 D Siskiyou Klamath National Forest, Bear Lake. 1889 Comment
  CAS-BOT-BC28433  Carex lenticularis var. lipocarpa John Thomas Howell 1937-7-25 13473 Siskiyou Caribou Basin, Salmon-Trinity Alps. 2286 Comment
  HSC33993  Carex lenticularis var. lipocarpa J. P. Smith 1974-5-25 7482 Siskiyou Along Rd. 8, 4.7 mi. W of its junction with Hwy. 3 1159 Comment
  JEPS63685  Carex multicaulis W. L. Jepson July, 1894 52 a Siskiyou Upton Comment
  SEINET7568490 Image available Carex multicostata Ray Tallent 1987-8-13 915 Siskiyou Klamath National Forest, Forest Rd 39N11 at Little Jackson Creek. 1739 Comment
  CAS-BOT-BC32283  Carex multicostata William J. Ferlatte 1966-6-22 115 Siskiyou Josephine Lake basin. 1920 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
  CHSC40189  Carex nebrascensis L. P. Janeway 1983-7-30 468 Siskiyou Small drainage ditch along the rd to Copco Lake. 883 Comment
  HSC29644  Carex nigricans Frederick W. Oettinger 1968-8-2 359 Siskiyou Marble Mtn. Wilderness Area, Diamond Lake 2073 Comment
  UC1235  Carex nigricans W. H. Brewer 1862-9-15 1379 Siskiyou Mt. Shasta 2560 Comment
  RSA237224  Carex nigricans Frederick W. Oettinger 1968-8-2 358 Siskiyou East end of Diamond Lake. Salmon Mtns. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2073 Comment
  SEINET7568940 Image available Carex nigricans Unknown 1969-8-10 38950 Siskiyou Mt. Shasta National Forest, S slope of Mt. Shasta, Panther Creek Meadows. 2195 Comment
  CHSC40161  Carex nudata L. P. Janeway 1983-7-23 444 Siskiyou Along southwest side of Klamath River, 2.8 miles east on China Creek Road (just west of Woods Bar). 320 Comment
  HSC76396  Carex nudata L. P. Janeway 1982-7-3 46 Siskiyou At Ferry Point, W side of Klamath River 290 Comment
  HSC79275  Carex nudata L. P. Janeway 1983-7-30 459 Siskiyou Along NE shore of Klamath River, 1 mi. W of Seiad Creek 412 Comment
  POM80405  Carex nudata E. B. Copeland 1903-7-4 3541 Siskiyou Klamathon Comment
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Jan 23 2011
  SEINET10715701  Carex pellita A. Arthur Heller 1905-6-22 Heller 8095 Siskiyou Between Igerna and Weed. Comment
  SEINET8275557  Carex pellita Elmer I. Applegate 1895-5-28 787 Siskiyou Sacramento River below Sisson Comment
  CHSC106316  Carex praegracilis Lowell Ahart; John Dittes 2010-7-30 16951 Siskiyou South side of a water ditch, at the edgee of the dry upland, about 30 yards south of the Shasta River, about 80 yards west of the pipe across the Shasta River, about 200 yards east of the East Louie Road Bridge, Shasta Big Springs Ranch, 1.6 miles (air) southwest of Big Springs Lake, 4.6 miles (air) northwest of Dwinnel Dam, 5.7 miles (air) southeast of Grenada. 716 Comment
  CAS-BOT-BC118772  Carex preslii John Thomas Howell 1937-7-25 13488 Siskiyou Caribou Basin, Salmon-Trinity Alps 2286 Comment
  CAS-BOT-BC118782  Carex preslii A. H. Murphy 1953-7-28 KNF 1 Siskiyou Deadmans Peak, Klamath N. F. 1828 Comment
  HSC30670  Carex preslii Frederick W. Oettinger 1969-9-3 1620 Siskiyou Marble Mtn. Wilderness Area, Shasta Ridge below English Peak 1890 Comment
  SEINET7486116 Image available Carex rossii Unknown s.n. Siskiyou near Pacific Crest Trail, Route 3, Scott Mountain Summit, Klamath Range (KR) 1640 Comment
  CAS-BOT-BC117911  Carex scabriuscula G. Douglas Barbe 1955-7-9 145 Siskiyou SW shore of Kangaroo Lake, Scott Mtns. 1828 Comment
  UCSB63775  Carex scabriuscula Oswald, Vernon; Ahart, Lowell 1998-8-3 Siskiyou Near the Pacific Crest Trail; in the Scott Mtns.; west of Kangaroo Lake: T40N R7W NW1/4 Sect. 14 1981 Comment
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Dec 24 2010
  RSA238966  Carex scopulorum Frederick W. Oettinger 1968-8-2 353 Siskiyou South end of Diamond Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2073 Comment
  CAS-BOT-BC117690  Carex simulata W. R. Dudley 1893-6-21 s.n. Siskiyou In Peter Klink's Meadow, Sisson Comment
  CAS-BOT-BC117246  Carex spectabilis Annie M. Alexander; Louise Kellogg 1949-7-28 5886 Siskiyou Sky High Valley, Marble Mountains 1767 Comment
  CHSC2107  Carex spectabilis N. Jaekel 1939-7-8 Siskiyou Panther Meadows, Mt. Shasta. 1828 Comment
  HSC39298  Carex spectabilis J. O. Sawyer 1969-7-24 1494 Siskiyou SW of Sugar Lake 1890 Comment
  UC1265455  Carex spectabilis Frederick W. Oettinger 1969-8-6 1254 Siskiyou New York Flumes, Pine Lake Basin Salmon Mountains, Marble Mountain Wilderness Area 1859 Comment
  HSC76309  Carex spectabilis L. P. Janeway 1982-8-15 141 Siskiyou Above Echo Lake 1799 Comment
  CDA33164  Carex stipata G. D. Barbe 1973-8-14 1699 Siskiyou Site of the proposed quarantine station south of Mt. Shasta City, west side of Interstate 5. Comment
  SDSU11683  Carex straminiformis D. F. Howe 1962-8-6 3402 Siskiyou Mt. Shasta, Shasta National Forest. 2438 Comment
  SEINET10912836  Carex subfusca George D. Butler 1910-5-29 Butler 1426 Siskiyou Slough near Yreka. Comment
  UCD21465  Carex vesicaria Ellen Dean; with Gary Nakamura and K. Mawdsley 2002-7-28 1205 Siskiyou Shasta Trinity National Forest; NW of Castle Crags, in Castle Crags Wilderness. Found west of I-5, near headwaters of the south fork of the Sacramento River. Along shores of Gray Rock Lake. 1800 Comment
  CAS-BOT-BC114823  Carex whitneyi J. W. Stacey 1938-7-1 11161 Siskiyou Wagon Camp. 1737 Comment
  HSC30458  Cassiope mertensiana subsp. ciliolata Frederick W. Oettinger 1969-7-28 1083 Siskiyou Marble Mtn. Wilderness Area, High Lake Basins, Little Hancock Lake 2043 Comment
  RSA238347  Cassiope mertensiana subsp. ciliolata Frederick W. Oettinger 1969-7-28 1083 Siskiyou Inlet stream to Little Hancock Lake as it passes through a wet boreal meadow just s. of the lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2043 Comment
  RSA0002588  Cassiope mertensiana subsp. ciliolata E. B. Copeland 1903-8-18 3898 Siskiyou Mt. Eddy. 2591 Comment
  HSC69366  Castilleja applegatei J. O. Sawyer, J. Cole 1980-7-19 3652 Siskiyou N and W of Little Mt. Hoffman 1982 Comment
  SEINET9299579  Castilleja applegatei Unknown 2009-5-31 Siskiyou High elevation, semi-arid desert ecosystem; native species; collected at Lava Beds National Monument, directly South of Tulelake, CA. Comment
  CAS-BOT-BC241150  Castilleja applegatei subsp. pinetorum Alice Eastwood 1921-7-24 10779 Siskiyou Castle Lake Comment
  HSC20503  Castilleja applegatei subsp. pinetorum R. C. Wunner 1965-6-7 109 Siskiyou Lava Beds National Monument, Mammoth Crater 1616 Comment
  HSC72454  Castilleja applegatei subsp. pinetorum J. P. Smith, Steve Selva 1970-6-15 3962 Siskiyou 20 mi. E of Cecilville on the road to Callahan. 1646 Comment
  UC164278  Castilleja applegatei subsp. pinetorum Geo. D. Butler 1910-4-19 1198 Siskiyou near Yreka Comment
  HSC19028  Castilleja arachnoidea J. O. Sawyer 1969-8-4 1857 Siskiyou Slope SW of South Sugar Lake 2195 Comment
  SD53345  Castilleja arachnoidea Darley F. Howe 1962-8-6 Siskiyou Mt. Shasta 2438 Comment
  UC1096789  Castilleja arachnoidea H. K. Wagnon 1957-8-11 1694 Siskiyou 6 mi w Military Pass Rd. (along Brewer Creek, e slope of Mount Shasta); Mt. Shasta, Brewer Creek Comment
  UC922479  Castilleja arachnoidea Annie M. Alexander and Louise Kellogg 1949-7-20 5813 Siskiyou n of Paradise Lake; Marble Mountains 1920 Comment
  RSA165516  Castilleja arachnoidea Clare B. Hardham 1961-6-30 8029 Siskiyou Near Mud Springs. Comment
  POM147344  Castilleja arachnoidea subsp. shastensis D. D. Keck 1927-8-16 308 Siskiyou Horse Camp, south side of Mt. Shasta. 2470 Comment
  CHSC88112  Castilleja lacera Jenny Marr 1993-7-1 122 Siskiyou Butte Valley Wildlife Area, +/- 7 air miles NW of the town of MacDoel. Meadow NW of Meiss Lake. 1349 Comment
  UC673469  Castilleja lacera H. L. Mason 1931-5-9 5871 Siskiyou 3 mi w Weed Comment
  HSC68664  Castilleja miniata Maralyn A. Renner 1980-6-25 1128 Siskiyou Little South Fork Indian Creek, W Fork 1220 Comment
  JEPS23291  Castilleja miniata Rimo Bacigalupi with Mr. and Mrs. Van Deventer 1959-7-9 7260 Siskiyou Poker Flat 1536 Comment
  SEINET14142077  Castilleja miniata G. D. Butler 1910-6-3 1472 Siskiyou Quartz Valley. Comment
  UC1238989  Castilleja miniata Freed W. Hoffman 1950-7-14 3627 Siskiyou Baldy Mountain North Coast Ranges (w Siskiyou County) Comment
  CAS-BOT-BC254023  Castilleja miniata J. M. Tucker 1963-8-17 3740 Siskiyou Edge of Red Rock Creek, in vicinity of cabin; lower Red Rock Valley, Marble Mountain Wilderness Area 1493 Comment
  RSA504754  Castilleja miniata Leg A Meebold 1935-07 19774 Siskiyou Mt. Shasta (city). Comment
  CAS-BOT-BC241053  Castilleja pilosa David D. Keck 1940-6-13 5171 Siskiyou 1 mi. S.W. of Grass Lake 1525 Comment
  JEPS60246  Castilleja pruinosa L. R. Heckard with L. Constance and R. Ornduff 1969-6-25 2311 Siskiyou nw edge Weed Comment
  CAS-BOT-BC482442  Castilleja schizotricha Dana York 2011-8-12 3047 Siskiyou Marble Mountain Wilderness, Klamath National Forest, E-facing slope of Marble Mountain 2055 Comment
  HSC76640  Castilleja schizotricha K. T. Stillman 1976-6-25 102 Siskiyou Marble Mt. Wilderness Area, NE facing on Black Mt. 2134 Comment
  JEPS3785  Castilleja schizotricha Geo. D. Butler 1910-7-9 1711 Siskiyou Woolly Creek Comment
  LA44195  Ceanothus cordulatus Wm. Bridge Cooke; 1939-7-14 13674 Siskiyou Mount Shasta, along the Sisson Southern Trail 1219 Comment
  HSC36693  Ceanothus cuneatus Brent Whitely 1975-6-21 18 Siskiyou 223 Comment
  POM121382  Ceanothus cuneatus G. D. Barbe 1955-6-28 14 Siskiyou 0.4 mile N of Callahan 1006 Comment
  JEPS42184  Ceanothus cuneatus var. cuneatus Geo. D. Butler 1909-4-30 667 Siskiyou Yreka Comment
  CAS-BOT-BC50687  Ceanothus integerrimus var. macrothyrsus L. E. Detling 1950-6-8 6586 Siskiyou Dunsmuir 792 Comment
  CAS-BOT-BC50688  Ceanothus integerrimus var. macrothyrsus A. A. Heller 1905-6-1 7926 Siskiyou Between Dunsmuir and Upper Soda Spring Comment
  HSC36932  Ceanothus prostratus J. P. Smith 1974-5-27 7597 Siskiyou Along USFS Rd. 47N03 1646 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
  UC61167  Ceanothus prostratus W. A. Setchell, C. C. Dobie 1902-7-13 Siskiyou Sisson , Sisson (Mount Shasta) Comment
  CAS-BOT-BC52173  Ceanothus pumilus Roxana S. Ferris; Laura Lorraine 1948-6-12 11811 Siskiyou At Mule Creek crossing of Scott Mountain Road 1524 Comment
  HSC100186  Ceanothus sanguineus J. P. Smith, & J. O. Sawyer 2011-9-3 13404 Siskiyou Along Klamath National Forest Road 47N01. 739 Comment
  POM85996  Ceanothus sanguineus Geo. D. Butler 1910-6-17 1567 Siskiyou Hundrey Mtn. 1220 Comment
  JEPS83647  Ceanothus sanguineus R. Raiche, K. Zadnik 1987-9-1 RR 70698 Siskiyou nw Klamath River (the town) (below confluence of Jaynes Crk. and W fork if Beaver Crk., on US Forest Service Rd 47N01, ca 0.5 mi n of bridge over w fork); Jaynes Canyon, Jaynes Cyn. drainage Comment
  CAS-BOT-BC63151  Ceanothus velutinus Alice Eastwood 1912-9-1 2067 Siskiyou Mount Shasta. Comment
  CHSC1521  Ceanothus velutinus V. Holt 1932-6-23 Siskiyou Shasta Flats. Comment
  RSA12597  Ceanothus velutinus Carl B. Wolf 1934-7-6 5989 Siskiyou 3 mi. from Mt. Shasta City on Wagon Camp Road. SW slope of Mt. Shasta. 1220 Comment
  RSA398981  Ceanothus velutinus Bonnie C. Templeton 1960-6-16 8544 Siskiyou Between Bartle and McCloud Comment
  UCD112765  Ceanothus velutinus Roman Gankin; Richard Hildreth 1967-10-27 1182 Siskiyou 2.6 road miles from Lafayette Point on USFS road 39N04 off Black Bear Road between Sawyers Bar and Cecilville. 1706 Comment
  CAS-BOT-BC52838  Ceanothus velutinus var. velutinus Geo. D. Butler 1910-6-5 1480 Siskiyou Shackleford Creek Comment
  HSC69370  Ceanothus velutinus var. velutinus J. O. Sawyer, J. Cole 1980-7-19 3672 Siskiyou N and W of Little Mt. Hoffman 1982 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-BC281205  Centaurea stoebe subsp. micranthos T. C. Fuller 1963-8-26 11155 Siskiyou In adjacent lawn of ranch house and rangeland, W. H. Kerr, Flying K Ranch, upper Quartz Valley, 2 miles S 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
  UC165259  Centromadia fitchii Geo. D. Butler 1910-7-31 1805 Siskiyou near Yreka Comment
  HSC36718  Cephalanthera austiniae Brent Whiteley 1975-6-28 68 Siskiyou 915 Comment
  CAS-BOT-BC384990  Cerastium dichotomum C. S. Giebner 1963-4-30 s.n. Siskiyou Chili Hammond prop., halfway bet. Yreka and Montague Comment
  UC956839  Ceratophyllum demersum Verne Grant and Irving Schneider 1947-8-26 8291 Siskiyou w Tule Lake; w of Tule Lake Comment
  HSC2135  Cercis occidentalis C. B. Wolf 1927-8-27 1154 Siskiyou On Klamath River 1 mile above the mouth of the Salmon River. Comment
  CAS-BOT-BC135450  Cercocarpus betuloides var. betuloides Geo. D. Butler 1910-4-16 1179 Siskiyou Klamath Hills Comment
  SEINET6921078  Cercocarpus montanus var. glaber M. K. Solecki, J. B. Taft 1986-9-9 2150 Siskiyou About 15 miles southwest of Grenada, near lava tube cave. Comment
  HSC76723  Chaenactis douglasii var. douglasii K. T. Stillman 1976-8-7 384 Siskiyou Marble Mtn. Wilderness Area, Box Camp Mtn. 2195 Comment
  CAS-BOT-BC276744  Chaenactis douglasii var. douglasii Ynez Whilton Winblad 1941-7-1 s.n. Siskiyou Between Weed and Dunsmuir Comment
  CAS-BOT-BC276759  Chaenactis douglasii var. douglasii A. A. Heller 1921-7-17 13575 Siskiyou Mount Eddy W of Wagon Creek 2133 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
  UCD102286  Chamaesaracha nana Daniel Sanchez-Mata; S. Rivas-Martinez, A. Penas and Sara del Rio 2011-7-16 s.n. Siskiyou Mount Shasta. Everett Memorial Highway to Mount Shasta. 2010 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
  RSA499043  Chamaesyce serpillifolia L. C. Wheeler 2613 Siskiyou Oak knoll Ranger Station, Klamath River. 671 Comment
  JEPS52331  Chamaesyce serpyllifolia Geo. D. Butler 1908-8-15 71 Siskiyou near Yreka; McNulty Ranch Comment
  UC642565  Chamaesyce serpyllifolia L. W. Wheeler 1930-6-30 13578 Siskiyou Howard Mount Shasta Comment
  HSC96826  Chamerion angustifolium subsp. circumvagum S. Lyon 2006-7-18 11 Siskiyou E side of Eddy Gulch Rd., 3 mi. S of intersection with Sawyers Bar Rd. 915 Comment
  CAS-BOT-BC68202  Cheilanthes gracillima John Thomas Howell 1939-8-6 15100 Siskiyou Marble Mts. - Elk Mt. Comment
  RSA331961  Cheilanthes gracillima W. Wisura, Dave Kelly 1985-7-30 4075 Siskiyou Along forestry road 47N63 near Siskiyou Summit, N of Horse Creek on Hwy 96. Comment
  RSA44884  Cheilanthes gracillima J. C. Roos 1948-9-1 3947 Siskiyou tufted in rocks, on high ridge, summit of pass, southwest of Etna Comment
  RSA685758  Cheilanthes gracillima May N. Ackley 1932-07 51 Siskiyou Casile Lake Comment
  HSC4386  Chenopodium leptophyllum D. M. Thomson 1965-8-14 189 Siskiyou Lava Beds National Monument, Tickner Rd., 1.5 mi. from SE entrance Comment
  RSA187382  Chimaphila menziesii H. A. Thomas, J. H. Thomas, Alan Thomas 1954-7-21 4420 Siskiyou Salmon - Trinity Mts. About 6 miles SE of Cecilville. West side of Rush Creek. 1159 Comment
  RSA120884  Chimaphila menziesii G. D. Barbe 1957-7-13 389 Siskiyou Private road from Big Flat Camp to the Salmon-Trinity Alps Wilderness Area. 1524 Comment
  RSA238329  Chimaphila menziesii Frederick W. Oettinger 1969-8-5 417 Siskiyou Forest on s. side Charmaine Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. Comment
  HSC19017  Chimaphila umbellata J. O. Sawyer 1969-7-23 1163 Siskiyou Near Horse Range Creek. 1341 Comment
  UC1505637  Chimaphila umbellata Robert T. Clausen and Harold Trapido 1940-7-26 4960 Siskiyou Mud Creek canyon Mt. Shasta; S. Cascade Mts., Sacramento R. Basin, , Mud Creek 1493 Comment
  UC456181  Chimaphila umbellata I. J. Condit 1909-8-23 Siskiyou Castle Lake near Sisson; Castle lake 1524 Comment
  HSC30460  Chimaphila umbellata Frederick W. Oettinger, R. F. Thorne 1969-8-7 1279 Siskiyou W end of English Lake 1753 Comment
  HSC60904  Chimaphila umbellata Al Hobart Siskiyou Black Butte Comment
  RSA68953  Chimaphila umbellata subsp. occidentalis A. E. Culbertson 1943-7-17 5 Siskiyou Near Forest Service Camp Grd. about a mile downstream from Castle Lake on road to town of Shasta; on north slope of a 6600' eastern spur of Trinity Mts. and 1500 above Sacramento R., within 9 air miles of its headwaters to the west., Mt. Shasta 13 miles to NE. 1524 Comment
  HSC4938  Chrysolepis sempervirens J. O. Sawyer 1968-6-25 331 Siskiyou 1646 Comment
  HSC8066  Chrysolepis sempervirens Dorothy Parker 1949-8-12 365 Siskiyou Near Duck Lake Creek, Salmon Mtn. 1524 Comment
  UC5453  Chrysolepis sempervirens Milo S. Baker 1893-6 Siskiyou Squaw Valley Mt. Mt. Shasta (s base of Mt Shasta) Comment
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Aug 25 2006
  CAS-BOT-BC36237  Chrysolepis sempervirens C. H. Merriam 1898-9-1 s.n. Siskiyou north side of Mt. Shasta Comment
  RSA184687  Chrysothamnus nauseosus subsp. albicaulis Gilbert Muth 1966-8-7 503 Siskiyou Lookout trail along ridge, Marble Mts. 2058 Comment
  SJSU3017  Chrysothamnus viscidiflorus subsp. viscidiflorus J. W. Tilden 1967-8-21 1768 Siskiyou 2 mi N of Weed Comment
  UCR78453  Cichorium intybus Scott D. White, Julie Greene 1993-8-24 1842 Siskiyou Klamath National Forest. 'Tree of Heaven' campground, off Hwy 96. Comment
  CHSC85687  Circaea alpina subsp. pacifica G. F. Hrusa 1998-7-5 14698 Siskiyou Siskiyou Mountains. Cedar Camp Rd. +/- 5 mi. E of Weitchpec on Hwy 96. N side of Hwy. Mile 4.x. Roadside. Comment
  HSC42957  Circaea alpina subsp. pacifica J. O. Sawyer, Ken Stillman 1976-7-1 2783 Siskiyou Streamside terraces and lower slopes along the Little N Fork of the Salmon River. 732 Comment
  HSC29133  Circaea alpina subsp. pacifica Frederick W. Oettinger 1968-8-11 480 Siskiyou Marble Mtn. Wilderness Area, near Tom Tyler Cabin 2012 Comment
  RSA237661  Circaea alpina subsp. pacifica Frederick W. Oettinger 1968-8-11 480 Siskiyou Alder thicket near spring of Tom Taylor Cabin. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2012 Comment
  JEPS81788  Cirsium andersonii Rimo Bacigalupi with Drs. Reino and Aloha Alava 1958-9-2 6829 Siskiyou U.S. Forest Service camp ground at Scott Mtn. road summit Scott Mtn. (boundary of Siskiyou and Trinity Cos.) 1646 Comment
  SD110302  Cirsium canovirens T. C. Fuller 1979-10-3 20271 Siskiyou Below a log truck loading area, both sides of Goosenest Road, 14 km northeast of Tennant. Comment
  CDA1183  Cirsium cymosum T. C. Fuller 1960-5-24 4342 Siskiyou 1.5 mi. E/ Yreka, N/ R.R. Comment
  CAS-BOT-BC278046  Cirsium cymosum John Thomas Howell 1952-6-15 28361 Siskiyou Montague Comment
  CDA39081  Cirsium cymosum Jodi Aceves 2013-5-23 PDR# 470 P06027599 Siskiyou Near Hornbrook, on upland banks of the Klamath River near Klamath River County Estates and R-Ranch Campground. 0 Comment
  CDA35789  Cirsium cymosum var. canovirens Jodi Aceves 2011-7-2 PDR# 1466465 Siskiyou Copco Lake, Ager Beswick Road. 0 Comment
  OBI60938  Cirsium cymosum var. cymosum B. Villegas 1999-6-8 s.n. Siskiyou Shasta Valley, Slough Rd approx 2 mi S of Louie Rd near I-5 Comment
  CDA1205  Cirsium douglasii var. breweri T. C. Fuller 1959-1 3088 -A Siskiyou 3 mi. N/ Weed; Shasta River, wet meadow just S/ Hwy 99. Comment
  OBI54106  Cirsium douglasii var. breweri David J. Keil, Kathleen Keil 1992-7-21 23524 Siskiyou Klamath NF SE of Callahan. forest Rd 40N08, 0.5 mi W of Scott Mtn Rd (hwy 3) Comment
  CAS-BOT-BC285555  Cirsium occidentale var. candidissimum Louis C. Wheeler 1934-7-16 2908 Siskiyou Klamath National Forest. Oak Knoll R. S. 670 Comment
  CAS-BOT-BC288011  Cirsium occidentale var. candidissimum John Thomas Howell 1952-6-15 28362 Siskiyou Montague Comment
  JEPS109258  Cirsium remotifolium var. rivulare D. W. Taylor 2002-7-27 18277 Siskiyou Salmon Mountains, logging road ca 1 mile N of Carter Meadow Summit, 8 miles SW of Callahan. Comment
  CAS-BOT-BC286471  Cirsium scariosum John Thomas Howell 1952-6-14 28334 Siskiyou Gazelle Comment
  HSC75625  Cirsium scariosum J. O. Sawyer, R. J. Cole 1980-7-23 3907 Siskiyou S of Tennant 1524 Comment
  CDA1609  Cirsium undulatum J. Massey 1988-7-7 s.n.-(A) Siskiyou East of Dorris, Glenn Butler property. 0 Comment
  CAS-BOT-BC228956  Cistanthe umbellata Doris K. Kildale; J. W. Gillespie 1929-6-22 8038 Siskiyou Base of Black Butte, Mt Shasta Comment
  HSC44502  Clarkia gracilis subsp. gracilis K. Irwin 1977-5-22 390 Siskiyou On South Fork Salmon River Rd., 4 mi. E of Cecilville Comment
  RSA47808  Clarkia gracilis subsp. gracilis Roxana S. Ferris, Laura Lorraine 1948-6-12 11711 Siskiyou Schoolhouse Hill, Plowman s Valley (Noyes Valley), east fork of Scott River. Comment
  JEPS25540  Clarkia lassenensis Rimo Bacigalupi with Lincoln Constance 1959-6-17 7157 Siskiyou 4 mi ne Weed (slopes across from junction of Big Springs Road with U.S. 97) 1066 Comment
  CAS-BOT-BC163458  Clarkia purpurea subsp. quadrivulnera Geo. D. Butler 1909-5-14 747 Siskiyou Klamath River Comment
  CAS-BOT-BC164978  Clarkia rhomboidea A. A. Heller 1920-7-6 133420 Siskiyou Metcalf's ranch, northeast side of Mt. Eddy Comment
  POM32374  Clarkia rhomboidea Geo. D. Butler 1910-5-30 1436 Siskiyou Near Hawkinsville Comment
  HSC92962  Claytonia lanceolata Jennifer Whipple 1976-6-19 1068 Siskiyou N facing slopes in the Eddy Creek drainage 2195 Comment
  HSC103544  Claytonia palustris J. O. Sawyer 1970-7-4 2322 Siskiyou At Cedar Flat Cabin 1402 Comment
  POM101992  Claytonia parviflora Geo. D. Butler 1910-5-8 1305 Siskiyou Near Yreka. Comment
  UC7888  Claytonia parviflora subsp. parviflora T. H. Gilbert Jun 15 1899-Jul 15 1899 Siskiyou Scott River Valley Comment
  UC375332  Claytonia parviflora subsp. parviflora Geo. D. Butler 1908-7-11 68 Siskiyou Comment
  UCD100771  Claytonia perfoliata subsp. intermontana P. Quentin Tomich 1954-6-29 434 Siskiyou At mouth of cave. Caldwell Caves, Lava Beds National Monument. 1402 Comment
  RSA469310  Claytonia rubra M. B. Dunkle 1944-7-15 906 Siskiyou Siskiyou Nart l Forest. 1768 Comment
  CHSC88107  Claytonia rubra subsp. depressa Jenny Marr 1993-7-1 117 Siskiyou Butte Valley Wildlife Area, +/- 7 air miles NW of the town of MacDoel. Meadow NW of Meiss Lake. 1349 Comment
  CAS-BOT-BC443812  Claytonia rubra subsp. rubra L. E. Smith 1913-5-12 s.n. Siskiyou Dunsmuir Comment
  HSC4456  Claytonia rubra subsp. rubra William J. Ferlatte 1966-6-22 107 Siskiyou 3 mi. S of Big Flat 1585 Comment
  CDA23965  Claytonia saxosa G. D. Barbe, J. T. Howell, T. C. Fuller 1980-4-29 2644 Siskiyou Schoolhouse Hill, summit of Gazelle/Callahan Road, 11.3 km east of Callahan. Comment
  CAS-BOT-BC451757  Claytonia serpenticola W. R. Dudley 1893-6-20 s.n. Siskiyou Near Castle Lake, by Mt. Shasta Comment
  CAS-BOT-BC443860  Claytonia sibirica Elmer I. Applegate 1923-9-7 3958 Siskiyou Canyon Creek, Doggett Ridge, near Klamath River Comment
  HSC23687  Claytonia sibirica J. O. Sawyer 1971-7-15 2424 Siskiyou Along Red Rock Valley Creek 1585 Comment
  POM149886  Clematis ligusticifolia Geo. D. Butler 1910-8-3 1810 Siskiyou Yreka Creek. Comment
  UC83255  Cleome platycarpa Katharine Brandegee Jul 1887 Siskiyou Montague Comment
  HSC42887  Clinopodium douglasii K. T. Stillman 1976-8-15 402 Siskiyou Along Specimen Creek 915 Comment
  CAS-BOT-BC238057  Collinsia A. M. Vollmer; L. Beane 1951-6-2 76 Siskiyou Happy Camp, Klamath River Highway Comment
  JEPS23806  Collinsia linearis Rimo Bacigalupi with Mr. and Mrs. Van Deventer 1959-7-10 7315 Siskiyou jeep rd between Poker Flat and Twin Valley between Poker Flat and Twin Valley, (ridge top marking Del Norte-Siskiyou County line); Siskiyou Mtns 1664 Comment
  HSC36426  Collinsia parviflora J. O. Sawyer 1969-7-18 1406 Siskiyou SW facing slope above S Russian Creek. 1905 Comment
  HSC68488  Collinsia rattanii Maralyn A. Renner 1980-6-9 843 Siskiyou Ridge SE of FS Rd. 45N35 1341 Comment
  UC885604  Collinsia torreyi var. latifolia Alice Eastwood 1912-7-16 1144 Siskiyou McCloud Comment
  RSA120633  Collinsia torreyi var. latifolia G. D. Barbe 1955-7-6 131 Siskiyou SE shore of Taylor Lake, Salmon Mtns. 1951 Comment
  CAS-BOT-BC229542  Collomia diversifolia Louis C. Wheeler 1934-7-6 2889 Siskiyou Hungry Creek 1097 Comment
  HSC82211  Collomia grandiflora Thomas W. Nelson, Jane P. Nelson 1980-7-5 5974 Siskiyou Fowler's Campground 1006 Comment
  RSA68906  Collomia grandiflora A. E. Culbertson 1943-7-17 52 Siskiyou Castle Lake, in a north facing cirque with an abrupt 1000' backwall, 14 miles s.w. of Mt Shasta on n. side of a 6600' eastern spur of Trinity Mts.; 2000' above Sacramento R. within 10 air miles of its headwaters to the west. 1657 Comment
  SJSU6072  Collomia tinctoria R. W. Trivelpiece 1971-7-14 52 Siskiyou Blue Ridge between Sawyers Bar & Cecilville, SW of Eddy Gulch Lookout, Salmon R Mts 1219 Comment
  CAS-BOT-BC94909  Collomia tinctoria R. C. Wenk 2005-7-16 251 Siskiyou Trinity Alps, above S Fork of Salmon River, S end of Big Flat Meadow 1493 Comment
  CAS-BOT-BC230677  Collomia tracyi Doris K. Kildale 1928-7-2 5371 Siskiyou Salmon Summit, Horn Creek trail 1981 Comment
  JEPS125863  Collomia tracyi Dean W. Taylor 1996-7-10 15772 Siskiyou Hayden Ridge; watershed divide of Scott Valley and Noyes Valley, about 10 air miles E of Etna Comment
  CAS-BOT-BC180415  Comandra umbellata subsp. californica Wm. Bridge Cooke 1942-6-7 16007 Siskiyou along the Abrams Lake road near Mt. Shasta City 1066 Comment
  UC60933  Convolvulus arvensis Geo. B. Grant September, 1902 5219 Siskiyou Sisson Mount Shasta (railway bank) 914 Comment
  JEPS80487  Corallorhiza maculata Gilbert Muth 1966-7-14 397 Siskiyou Marble Valley Marble Mt. Wilderness Area 1792 Comment
  UC143609  Corallorhiza maculata Dr. E. B. Copeland 1903-9-6 3926 Siskiyou Mt. Eddy 1371 Comment
  RSA755949  Corallorhiza maculata Robert F. Thorne 1969-8-2 63343 Siskiyou Klamath National Forest, Salmon Mountains, Marble Mountain Wilderness Area, high lake basins in the vicinity of English Peak 1159 Comment
  HSC19266  Corallorhiza mertensiana J. O. Sawyer 1968-7-9 452 Siskiyou W of Little Duck Lake. 1936 Comment
  HSC45182  Corallorhiza mertensiana J. O. Sawyer, E. Cope 1977-6-18 2937 Siskiyou Along Clear Creek Trail between Bear Pen Creek and West Fork. 671 Comment
  UC196060  Cordylanthus tenuis A. A. Heller 1914-8-26 11723 Siskiyou Weed 975 Comment
  JEPS77479  Cordylanthus tenuis subsp. viscidus L. R. Heckard 1978-9-7 4973 Siskiyou sw Weed (s of Edgewood, road below Stewart Springs) 975 Comment
  JEPS57501  Cordylanthus tenuis subsp. viscidus L. R. Heckard with T. I. Chuang and R. Bacigalupi 1968-8-13 2123 Siskiyou just a mile over s of downtown Dunsmuir (along Dunsmuir Ave) 822 Comment
  CAS-BOT-BC212055  Cornus nuttallii J. H. Thomas 1954-5-13 4162 c Siskiyou Near South Fork of Salmon River, 5 to 9 miles southeast of Cecilville, along Rush Creek, Salmon Mountains, Klamath National Forest 1127 Comment
  CAS-BOT-BC212068  Cornus nuttallii Geo. D. Butler 1910-4-22 1246 Siskiyou Kidder Creek Comment
  POM301764  Cornus nuttallii Marion Ownbey, D. H. Brown, Findley Ownbey 1941-6-22 2426 Siskiyou Road between Craggy Moutain and Deadwood Lookout, northwest of Yreka. Comment
  UC796577  Cornus nuttallii Roxana S. Ferris and Laura Lorraine Jun 12 1948-Jun 16 1948 11748 Siskiyou French Creek Logging Rd. w. of Callahan 1066 Comment
  SEINET7042817  Cornus nuttallii A. G. Vestal 1955-5-15 s.n. Siskiyou At the Nugget Motel, Yreka. Ureka quadrangle UTM Zone 10, 529905mE, 4619722mE. Comment
  CAS-BOT-BC210397  Cornus sericea L. B. Kildale 1930-5-31 9796 Siskiyou Island in Klamath River near Hornbrook Comment
  CAS-BOT-BC210400  Cornus sericea W. R. Dudley 1899-8-8 s.n. Siskiyou Near Big Spring - Sisson Comment
  HSC29144  Cornus sericea subsp. sericea Frederick W. Oettinger 1968-9-1 634 Siskiyou Marble Mtn. Wilderness Area, E side of Abbott's Lake. 1723 Comment
  JEPS50180  Cornus sericea subsp. sericea Geo. D. Butler 1908-8-21 86 Siskiyou Etna Creek 1219 Comment
  POM106651  Corylus cornuta var. californica Geo. D. Butler 1908-3-2 1076 Siskiyou Forest House Mountain. Comment
  UC313842  Crepis bakeri J. L. Collins 1927-6-9 Siskiyou 5 mi n Hornbrook; Siskiyou Mts. Comment
  CAS-BOT-BC376448  Crepis bakeri subsp. bakeri Geo. D. Butler 1910-5-10 1328 Siskiyou Goosenest foothills 1524 Comment
  POM33154  Crepis bakeri subsp. bakeri Geo. D. Butler 1910-5-10 1328 Siskiyou Goosenest foothills 1524 Comment
  UC163935  Crepis monticola Geo. D. Butler 1910-5 148 Siskiyou near Yreka Comment
  SEINET7838758 Image available Crepis monticola G. D. Butler 148 Siskiyou Yreka Comment
  UCD77571  Crepis occidentalis Robert E. Preston 2002-6-20 1840 Siskiyou Klamath National Forest, Rainbow Mountain, W ridge, on E-facing slope 1946 Comment
  HSC36780  Crepis occidentalis subsp. pumila J. P. Smith 1974-5-25 7409 Siskiyou Along Rd. 8, 0.9 mi. from its junction with Hwy. 3 976 Comment
  JEPS101150  Crepis pleurocarpa Dean W. Taylor 1996-6-19 15710 Siskiyou Lime Gulch; bordering Shasta Valley (about 15 miles south of Yreka) 1188 Comment
  UC581211  Crepis pleurocarpa E. B. Babcock and G. L. Stebbins Jr. 1936-6-11 1897 Siskiyou about 7 mi sw Yreka (s of hwy from Yreka to Fort Jones); Forest House Mt. 1363 Comment
  OBI47579  Crepis pleurocarpa K. T. Stillman 1976-8-7 204 Siskiyou Marble Mtn Wilderness Area. Scatt Bar quad. T43N, R12W, sec 22 Comment
  JEPS24803  Crypsis schoenoides Rimo Bacigalupi with Drs. Reino and Aloha Alava 1958-9-2 6812 Siskiyou about 3 mi nw Weed (head of Valley); Shasta Valley 975 Comment
  UCD59926  Crypsis schoenoides Reino Alava; Aloha Alava, Rimo Bacigalupi 1958-9-2 2395 Siskiyou 3 miles northwest of Weed, head of Shasta Valley. 975 Comment
  RSA591655  Crypsis vaginiflora L. C. Wheeler 1934-10-14 3322 Siskiyou Siskiyou Mts.; Shasta River 2 mi. below Yreka Creek 671 Comment
  HSC44935  Cryptantha affinis J. O. Sawyer 1978-6-19 3249 Siskiyou Marble Mtn. Wilderness Area, trail between Timothy Gulch and Harry Hall Gulch 1433 Comment
  UC1180475  Cryptantha ambigua Robert Ornduff 1960-6-30 6268 Siskiyou U.S. Hwy 97 Grass Lake Comment
  UC78717  Cryptantha flaccida T. S. Brandegee Jul 1887 Siskiyou Edgewood Comment
  HSC91385  Cryptantha subretusa Jennifer Whipple 1977-8-4 2143 Siskiyou S Face of Mt. Eddy draining into the N Fork of the Sacramento River 2500 Comment
  CHSC30246  Cryptogramma acrostichoides M. S. Taylor 1980-7-8 3096 Siskiyou S end of Little Castle Lake. 1767 Comment
  HSC19422  Cryptogramma acrostichoides J. O. Sawyer 1968-9-9 666 Siskiyou Ridges S of Cyclone Gap 1738 Comment
  HSC69121  Cryptogramma acrostichoides Maralyn A. Renner 1980-8-7 2387 Siskiyou Klamath National Forest, NW flank of Preston Peak, near summit 2180 Comment
  CAS-BOT-BC70533  Cryptogramma cascadensis Maxine Wilkes 1940-8-1 s.n. Siskiyou Deep Lake, Marble Mts. Comment
  CAS-BOT-BC80540  Cupressus bakeri Oliver V. Matthews 1939-7-22 42 Siskiyou unspecified 1219 Comment
  CAS-BOT-BC80561  Cupressus bakeri W. L. Jepson 1914-8-11 5764 Siskiyou Lava [beds] Beds, s.e. Siskiyou Co. 1036 Comment
  CAS-BOT-BC80564  Cupressus bakeri Oliver V. Matthews 1939-7-11 32 Siskiyou Seiad Grove and Region 1463 Comment
  POM212070  Cupressus bakeri C. B. Wolf 1930-10-19 1746 Siskiyou Modoc Lava Beds, 1 mile E of Timbered Butte on Old Stage Road from CW Hill Farm to Dana to Little Hot Springs Valley Comment
  RSA22766  Cupressus bakeri O. V. Matthews 1939-7-11 30 Siskiyou Nearly the highest point of Seiad Grove, Seiad Region 1433 Comment
  JEPS47088  Cuscuta cephalanthi A. L. Grant 1902-9-1 5217 Siskiyou Sisson Comment
  JEPS49767  Cycladenia humilis var. humilis W. L. Jepson 1902-7-17 2072 Siskiyou w. Siskiyou, The Devil's Backbone 1828 Comment
  CDA38228  Cymopterus terebinthinus CDFA Staff 1959-6-5 s.n. Siskiyou Edgewood; Clint Jackson farm. 0 Comment
  UCD77586  Cymopterus terebinthinus var. californicus Robert E. Preston 2000-6-23 1380 Siskiyou East edge of Juniper Flat, north of Yellow Butte, along A12, 2.1 mi n of Hwy 97. 1100 Comment
  UC837442  Cyperus acuminatus Louis C. Wheeler 1934-10-11 3317 Siskiyou Oak Knoll Ranger Station Siskiyou Mts., Klamath R., Oak Knoll Ranger Station 670 Comment
  CAS-BOT-BC114689  Cyperus bipartitus Louis C. Wheeler 1934-8-31 3229 Siskiyou Lund Ranch, W Fork Beaver Creek. 1066 Comment
  CAS-BOT-BC114146  Cyperus squarrosus Alice Eastwood 1921-7-25 10848 Siskiyou Bigelows, McCloud River. Comment
  CDA39517  Cypripedium montanum D. Osterhandt 1979-6-1 s.n. Siskiyou Sawyers Bar. 0 Comment
  RSA59499  Cystopteris fragilis E. K. Balls 1950-5-17 14714 Siskiyou By Schebchin Butte, Lava Beds National Monument 1402 Comment
  JEPS25668  Danthonia californica Rimo Bacigalupi with Mr. and Mrs. Van Deventer 1959-7-10 7311 Siskiyou just e Del Norte County line (4 air-line mi nne of Preston Peak); Siskiyou Mts., watershed of Indian Creek, Twin Valley 1493 Comment
  UC618880  Danthonia intermedia W. Bridge Cooke 1938-9-8 11666 Siskiyou Squaw Creek Meadows Mount Shasta Comment
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Jul 31 2010
  UC816931  Danthonia intermedia John Thomas Howell 1939-8-7 15126 Siskiyou Sky High Valley Marble Mts. 1828 Comment
  HSC75125  Danthonia unispicata J. P. Smith, Thomas W. Nelson 1970-6-16 10146 Siskiyou Klamath National Forest: along Forest Rd. 40N03, 0.3 mi. from junction with Hwy. 3. 1463 Comment
  HSC76753  Danthonia unispicata K. T. Stillman 1976-7-21 277 Siskiyou Marble Mtn. Wilderness Area 1982 Comment
  RSA239121  Danthonia unispicata Frederick W. Oettinger 1969-8-24 1522 Siskiyou inlet to Upper English Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1799 Comment
  CAS-BOT-BC76241  Darlingtonia californica Peter H. Raven 1956-9-5 10440 Siskiyou North Fork of the Sacramento River. 2194 Comment
  CAS-BOT-BC76244  Darlingtonia californica Arthur Menzies 1962-7-21 s.n. Siskiyou Morgan Meadows, base of Mount Eddy. 1706 Comment
  UC165440  Darmera peltata Geo. D. Butler 1910-4-24 1234 Siskiyou Shackleford Creek Comment
  HSC139  Dasiphora fruticosa William J. Ferlatte 1966-8-19 441 Siskiyou Kidd Creek Trail. 1707 Comment
  CDA5364  Daucus carota T. C. Fuller 1959-7-8 6042 Siskiyou 0.6 mile west of Ainsworth Corners. 0 Comment
  HSC19076  Delphinium decorum subsp. tracyi J. O. Sawyer 1969-6-13 950 Siskiyou Slope above Little Duck Lake 2134 Comment
  RSA105391  Delphinium decorum subsp. tracyi G. D. Barbe 1955-7-6 134 Siskiyou Along northeast shore of Taylor Lake, Salmon Mtns. 1951 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
  UC454019  Delphinium depauperatum I. J. Condit 1911-7-27 Siskiyou Castle Lake 1981 Comment
  UC854164  Delphinium nudicaule Louis C. Wheeler 1935-5-26 3532 Siskiyou Yreka Creek Siskiyou Mts. 914 Comment
  SBBG2171  Delphinium nuttallianum H. and M. Dearing 1939-6-5 3549 Siskiyou 2 mi N of McCloud 1066 Comment
  SEINET5338058  Delphinium nuttallianum G. Butler 1910-3-24 1142 Siskiyou Shasta River hills. Comment
  HSC69102  Deschampsia cespitosa Maralyn A. Renner 1980-8-4 2228 Siskiyou Flint Valley 1390 Comment
  UCD61112  Deschampsia cespitosa A. H. Murphy 1958-8-4 58 -C Siskiyou Little Elk Lake Marble Mts. 1676 Comment
  CAS-BOT-BC192466  Deschampsia cespitosa subsp. cespitosa Louis C. Wheeler 1934-8-14 3128 Siskiyou North side White Mt., Siskiyou Mts. 1767 Comment
  CAS-BOT-BC201934  Deschampsia elongata A. A. Heller 1915-7-18 12134 Siskiyou Metcalf's ranch, base of Mt. Eddy Comment
  CAS-BOT-BC201948  Deschampsia elongata John Thomas Howell 1939-8-2 14935 Siskiyou Spirit Lake, Marble Mts. 1828 Comment
  HSC42943  Deschampsia elongata J. O. Sawyer, Ken Stillman 1976-7-1 2779 Siskiyou Streamside terraces and lower slopes along the Little N Fork of the Salmon River. 732 Comment
  HSC69208  Deschampsia elongata Maralyn A. Renner 1980-7-24 2067 Siskiyou Lily Pad Lake 1768 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
  RSA238390  Deschampsia elongata Frederick W. Oettinger 1969-8-29 1579 Siskiyou Margin of Katherine Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2027 Comment
  UC157089  Deschampsia elongata Dr. E. B. Copeland 1903-8-19 3912 Siskiyou Mt. Eddy 1371 Comment
  UC1950437  Deschampsia elongata Barbara Ertter 1990-7-14 9335 Siskiyou where several forks join before a steep drop; Wagon Creek on E side of Mt Eddy, ca 4 airmiles W of Mt. Shasta City Comment
  CAS-BOT-BC43267  Descurainia pinnata subsp. glabra R. E. Frenkel 1963-7-13 257 Siskiyou On Everitt Memorial Highway, 0.4 mile north of McCloud River RailRoad crossing near Mount Shasta. 1176 Comment
  CAS-BOT-BC43268  Descurainia pinnata subsp. glabra George Dexter Butler 1909-1-12 895 Siskiyou McAdams Creek. Comment
  CAS-BOT-BC43517  Descurainia sophia A. A. Heller 1916-6-22 12425 Siskiyou Near Sisson. 1074 Comment
  CAS-BOT-BC43518  Descurainia sophia A. A. Heller 1916-6-22 12425 Siskiyou Near Sisson. 1074 Comment
  HSC24688  Dicentra formosa J. O. Sawyer 1969-7-18 1361 Siskiyou E of Waterdog Lake 2012 Comment
  SBBG16474  Dicentra formosa D. Myrick 1961-6-21 312 Siskiyou Deer Camp Rd above Oak Knoll Ranger Stn on Klamath River 1828 Comment
  UC455332  Dicentra formosa I. J. Condit 1911-7-15 Siskiyou Shasta Springs to McCloud (tollroad) Comment
  HSC44575  Dicentra formosa Laura Witherspoon 1977-6-30 Siskiyou 1/2 mi. along Binwall Rd. before Dillon Camp 1494 Comment
  CAS-BOT-BC402476  Dicentra formosa subsp. formosa L. E. Smith 1912-7-1 s.n. Siskiyou Between Castella & Dunsmuir railroad track Comment
  RSA433580  Dicentra formosa subsp. formosa Chadwick, Chadwick 1911-07 s.n. Siskiyou Shasta Springs. Comment
  UCD150602  Dicentra pauciflora Rolf Y. Berg 1964-7-15 s.n. Siskiyou Seiad Valley. Near Lily Pad Lake; west of Cook and Green Pass. Comment
  CAS-BOT-BC208959  Dichanthelium oligosanthes subsp. scribnerianum Carl B. Wolf 1927-8-26 1099 Siskiyou On the Klamath River, 14 mi. above Happy Camp. Comment
  UC333371  Dichelostemma multiflorum unknown 1889-6-26 Siskiyou Edgewood Comment
  CAS-BOT-BC291024  Dieteria canescens var. shastensis Geo. D. Butler 1910-9-11 1869 Siskiyou Weed Comment
  CHSC71866  Dieteria canescens var. shastensis Vernon H. Oswald; Lowell Ahart 1998-9-8 9611 Siskiyou Junction of USFS 3 and 24 ca. 2.5 mi west-southwest of Hambone Butte, ca. 30 air mi north of Burney. 1310 Comment
  UC179691  Dieteria canescens var. shastensis A. A. Heller 1914-8-26 11719 Siskiyou in a field at Weed 1524 Comment
  UC609337  Dieteria canescens var. shastensis Eleanor Burks Hart 1938-8-16 943 Siskiyou Lower Wright Lake 2225 Comment
  JEPS11908  Dieteria canescens var. shastensis Rimo Bacigalupi with C. L. Custer and G. T. Robbins 1954-8-13 4794 Siskiyou 5 mi w junction with U. S. Highway 99 (on road from Yreka to Fort Jones) 1158 Comment
  HSC9626  Digitaria sanguinalis C. B. Wolf 1927-8-26 1089 Siskiyou Klamath River, 14 mi. above Happy Camp Comment
  CAS-BOT-BC153302  Diplacus kelloggii L. B. Kildale 1930-6-1 9709 Siskiyou Salmon River between Somes Bar and Forks of Salmon Comment
  UC375202  Disporum hookeri Geo. D. Butler 1908-8-24 93 Siskiyou Eldredge's Corral, Russian Creek Russian Creek; Eldredge's Corral, Russian Creek Comment
  UC1951261  Disporum hookeri Robert F. Thorne 1969-8-23 63349 Siskiyou Klamath National Forest, Salmon Mountains, Marble Mountain Wilderness Area, high lake basins in the vicinity of English Peak. Trail to upper English Lake along Salmon River. Comment
  SEINET10929825  Distichlis spicata var. stricta George D. Butler 1910-8-21 Butler 1844 Siskiyou Saline flats, Shasta Valley. Comment
  HSC19279  Dodecatheon alpinum J. O. Sawyer 1968-6-18 248 Siskiyou Valley bottom of Blakes' Fork. 1707 Comment
  HSC92946  Dodecatheon alpinum Jennifer Whipple 1976-6-12 972 Siskiyou Wagon Creek drainage near Wagon Creek 2195 Comment
  HSC68410  Dodecatheon jeffreyi Maralyn A. Renner 1980-7-4 1412 Siskiyou Near trail about 0.25 mi. below Rattlesnake Meadow. 1585 Comment
  UC1409476  Dodecatheon jeffreyi Frederick W. Oettinger 1969-7-15 1032 Siskiyou on ridge btw Diamond Lake and English Peak (High Lake Basins in vicinity English Peak, Marble Mountain Wilderness Area, Salmon Mountains, Western Siskiyou County); Marble Mountain Wilderness Area, Salmon Mountains 2072 Comment
  UC165970  Dodecatheon jeffreyi Geo. D. Butler 1910-6-5 1522 Siskiyou Loy Lake Shackleford Creek, Loy Lake Comment
  HSC29234  Dodecatheon jeffreyi Frederick W. Oettinger 1969-7-15 1032 Siskiyou High Lake Basins near English Peak; Marble Mtn. Wilderness Area: on 'Shasta Ridge' between Diamond Lake and English Peak 2073 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
  CAS-BOT-BC33306  Downingia bacigalupii John H. Weiler; Andrew Phillips Nelson 1960-6-24 60205 Siskiyou Side of Dorris-Beswick road, 207 miles SW of the California-Oregon border. Comment
  JEPS94821  Downingia cuspidata Vernon H. Oswald and Lowell Ahart 1998-6-11 9225 Siskiyou near the junction of Meiss Lake-Sams Neck Road and Highway 97 5 mi n of Macdoel (Butte Valley National Grassland); Butte Valley National Grassland 1295 Comment
  JEPS109774  Draba carnosula Dean W. Taylor 2002-7-29 18289 Siskiyou cirque at head of Huston Creek (Huston Creek divide on USFS trail sign at summit) ca. 0.4 miles easterly of summit, South China Mounain 2325 Comment
  CAS-BOT-BC540707  Draba howellii Dana York 2012-7-21 3139 Siskiyou Siskiyou Mountains: Rogue River-Siskiyou National Forests, Red Butte Wilderness, NE Slope of Red Butte 1925 Comment
  HSC101870  Draba howellii R. D. Whittlesey 2013-6-5 7 Siskiyou Near Castella: 3.1 mi. north from State Park entrance up Castle Dome Trail. 1514 Comment
  UC722619  Draba pterosperma C. L. Hitchcock, J. S. Martin 1939-7-9 5302 Siskiyou n. side of Black Mt. near Marble Mt. (King's Castle); Black Mt. 2072 Comment
  CAS-BOT-BC41417  Draba verna Louis C. Wheeler 1935-4-18 11793 Siskiyou Siskiyou Mountains. Greenhorn Creek. 1005 Comment
  UCD168827  Drosera rotundifolia Barry Rice 2015-9-6 BR 150902 Siskiyou East of Caldwell Fen. 2025 Comment
  UC618834  Drymocallis W. Bridge Cooke 1938-6-24 11070 Siskiyou below MacBride Springs; Mount Shasta Comment
  HSC61834  Drymocallis glandulosa Ruby Van Deventer 1959-7-9 Siskiyou Poker Flat 1585 Comment
  HSC69379  Drymocallis glandulosa J. O. Sawyer, J. Cole 1980-7-19 3689 Siskiyou Near FS Rd. 45N05, center of section 1890 Comment
  LA208033  Drymocallis pseudorupestris Wm. Bridge Cooke; 1940-7-26 15372 Siskiyou Mount Shasta, on the W side of Shastina, Hudesonian zone 2743 Comment
  UC545672  Drymocallis rhomboidea Louis C. Wheeler 1934-6-18 2732 Siskiyou West Fork Cottonwood Creek Siskiyou Mts., West Fork Cottonwood Creek 1432 Comment
  CAS-BOT-BC158426  Drymocallis rhomboidea Elmer I. Applegate 1935-6-10 9478 b Siskiyou Caldwell Butte, Lava Beds National Monument Comment
  HSC42935  Dysphania botrys Ken Stillman 1976-8-24 435 Siskiyou Along Klamath River at Williams Point. 366 Comment
  CAS-BOT-BC113720  Eleocharis acicularis Alice Eastwood 1921-7-29 10946 a Siskiyou Medicine Lake. 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
  CHSC88378  Eleocharis macrostachya Jenny Marr 1993-7-1 183 Siskiyou Butte Valley Wildlife Area, +/- 7 air miles NW of the town of MacDoel. Meadow NW of Meiss Lake. 1349 Comment
  CAS-BOT-BC451553  Elodea canadensis Edward Lee 1934-8-12 1239 Siskiyou South side of the Klamath River near the mouth of Walker Creek (east end of Seiad Valley) 426 Comment
  UC637115  Elodea canadensis Edward Lee 1934-8-12 1239 Siskiyou e end Seiad Valley (near mouth of Walker River, s side of Klamath River); , Klamath River 426 Comment
  RSA69474  Elodea nuttallii L. C. Wheeler 1934-6-3 2624 Siskiyou Cherry Flat, Klamath River; Siskiyou Mts. 518 Comment
  RSA184708  Elyhordeum macounii Gilbert Muth 1966-8-5 502 Siskiyou Meadow on Black Mountain Trail, Marble Mountains 1799 Comment
  CAS-BOT-BC227132  Elymus X hansenii Doris K. Kildale 1928-7-4 5514 Siskiyou Summit of divide between Sawyers Bar & Etna Comment
  CAS-BOT-BC227916  Elymus elymoides A. A. Heller 1920-6-27 13387 Siskiyou Metcalf's ranch, northeast base of Mt. Eddy 1158 Comment
  CAS-BOT-BC227925  Elymus elymoides Wm. Bridge Cooke 1938-7-28 11370 Siskiyou Mount Shasta. North Ridges Comment
  RSA29740  Elymus elymoides L. C. Wheeler 1934-8-6 3057 Siskiyou Siskiyou Mts.; Rock Gulch off Jaynes Canyon; Mt. Diablo Mer. 1829 Comment
  UCD61537  Elymus elymoides L. Whitney 1935-7-15 3472 Siskiyou Bullseye Lake, 2 miles southeast of Medicine Lake. Comment
  CHSC91366  Elymus elymoides subsp. californicus Lowell Ahart; John Dittes 2005-6-9 12019 Siskiyou Small low hill, pasture field, on the east side of a poor rock fence, about 350 yards east of where cattle water in the Shasta River, about 3/5 mile (air) south of Highway 99/97 Cutoff, about 2 1/2 miles (air) east-southeast of Grenada. 774 Comment
  JEPS72942  Elymus elymoides subsp. elymoides W. L. Jepson 1940-6-23 20009 Siskiyou n Mt. Shasta; Andesite station 975 Comment
  UC1024792  Elymus elymoides subsp. elymoides Leo Whitney 1934-6-29 2231 Siskiyou Tennant 1524 Comment
  HSC4775  Elymus elymoides var. californicus William J. Ferlatte 1966-8-4 316 Siskiyou Yellow Rose Mine 1982 Comment
  HSC92552  Elymus elymoides var. californicus Jennifer Whipple 1976-7-8 1367 Siskiyou Ridgetop W of Dobkins Lake 2256 Comment
  HSC22477  Elymus elymoides var. elymoides J. O. Sawyer 1969-8-1 1688 Siskiyou SE facing slope above Duck Lake Creek 1951 Comment
  HSC103022  Elymus glaucus J. P. Smith 2014-6-6 13879 Siskiyou Along State Route 96 at the Portuguese Creek Access to the Klamath River 416 Comment
  RSA239022  Elymus glaucus Frederick W. Oettinger 1969-8-3 1147 Siskiyou Above Wiregrass Meadow above English Lake on trail to Abbott's Cabin. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1829 Comment
  UC593548  Elymus glaucus E. B. Babcock and G. L. Stebbins Jr. 1936-6-11 1895 Siskiyou flat about 2 mi s Yreka 810 Comment
  CAS-BOT-BC206614  Elymus glaucus subsp. glaucus Alice Eastwood 1912-7-15 1100 Siskiyou McCloud Comment
  HSC31066  Elymus glaucus subsp. glaucus Frederick W. Oettinger 1969-9-3 1622 Siskiyou Marble Mtn. Wilderness Area, trail on south slope of English Peak. 2073 Comment
  HSC103035  Elymus multisetus J. P. Smith 2014-6-7 13893 Siskiyou Etna Comment
  UCD62613  Elymus stebbinsii subsp. septentrionalis A. A. Beetle; G. L. Stebbins Jr. 1942-5-31 3406 Siskiyou Canyon N of Willow Creek, 5 miles W of Gazelle. Comment
  CAS-BOT-BC204264  Elymus trachycaulus subsp. subsecundus David D. Keck 1949-7-19 6353 Siskiyou 6.5 mi. SW of Yreka on road to Ft. Hones [Jones] nr. head of Yreka Ck 1127 Comment
  CHSC105874  Elymus trachycaulus subsp. subsecundus Julie Kierstead Nelson 2008-7-12 2008 -002 Siskiyou South slope of Mt. Shasta in mixed conifer-black oak forest. 1325 Comment
  HSC92388  Elymus trachycaulus subsp. trachycaulus Jennifer Whipple 1977-7-21 2025 Siskiyou Near Durney Lake 2073 Comment
  HSC9739  Elymus triticoides L. C. Wheeler 1934-9-22 3293 Siskiyou Walker, Klamath River 518 Comment
  JEPS107657  Elytrigia intermedia subsp. barbulata Lowell Ahart, John Dittes 2005-6-10 12121 Siskiyou North side of the corral, end of Salvadori Road, Nelson Ranch, about 1 1/4 miles (air) south of Highway 99/97 Cutoff, about 5 1/4 miles (air) east-southeast of Grenada 785 Comment
  UC204380  Epilobium brachycarpum A. A. Heller 1914-8-25 11706 Siskiyou near Deetz Station (opposite Black Butte) 1158 Comment
  HSC22465  Epilobium ciliatum subsp. ciliatum J. O. Sawyer 1969-7-23 1446 Siskiyou Near N Horse Range Creek, along C.C.C. road. 1524 Comment
  UC422955  Epilobium ciliatum subsp. glandulosum Milo S. Baker Aug. 1897 141 Siskiyou Payne's Springs Comment
  POM192604  Epilobium ciliatum subsp. glandulosum Milo S. Baker 1897-08 141 Siskiyou Payne s Springs Comment
  RSA237402  Epilobium ciliatum subsp. glandulosum Frederick W. Oettinger, Robert F. Thorne 1969-8-5 1201 Siskiyou Willow Spring on English Lake Trail. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1677 Comment
  JEPS38212  Epilobium densiflorum Geo. D. Butler 1908-7-17 160 Siskiyou near Yreka (along creek); Butler's Ranch Comment
  SEINET9720242  Epilobium densiflorum G. D. Butler 1910-6-29 1614 Siskiyou Yreka Creek Comment
  UCD106287  Epilobium densiflorum Alice Eastwood 1912-7-17 1154 Siskiyou Sisson. Comment
  UCR104578  Epilobium glaberrimum subsp. glaberrimum J. A. Alexander, R. D. Alexander, N. A. Alexander, A. R. Alexander 1994-7-2 125 Siskiyou Marble Mtns., Sawyer's Bar Road, at base of Snoozer Ridge, Marble Mtns. Wilderness Area 1500 Comment
  UC136739  Epilobium minutum A. A. Heller 1905-6-1 7930 Siskiyou Upper Soda Spring Comment
  UC1408901  Epilobium minutum Frederick W. Oettinger 1969-7-11 981 Siskiyou n Hancock Lake (sw-running ridge of mt., w Siskiyou Co., High Lake Basins in vicinity of English Peak); Salmon Mountains, Marble Mountain Wilderness Area, Little Me 2042 Comment
  POM215871  Epilobium minutum Louis C. Wheeler 1935-6-9 3551 Siskiyou Yreka Creek, Siskiyou Mountains. 1220 Comment
  HSC97696  Epilobium oreganum Thomas W. Nelson, Shauna Hee 2006-8-4 9461 Siskiyou Scott Mtn. Pass, along ridge between Carmen Lake, Hwy. 3, ridge S of junction of FS Rds. 40N08 and 44N44 1671 Comment
  CAS-BOT-BC171867  Epilobium septentrionale Geo. D. Butler 1910-7-9 1727 Siskiyou Wooly Creek 1676 Comment
  UC125532  Epilobium siskiyouense Dr. E. B. Copeland 1903-9-7 3857 Siskiyou foot of glacier on se ridge Mt. Eddy Comment
  SFV12226  Equisetum arvense E. L. Smith 1967-5-22 s. n. Siskiyou City of Mount Shasta. Swampy area by railroad tracks. 1086 Comment
  RSA602818  Eragrostis cilianensis L. C. Wheeler 1935-7-20 3674 Siskiyou Scott Valley: Scott river 1.5 miles west of Fort Jones. 822 Comment
  CAS-BOT-BC174101  Eremogone aculeata John Thomas Howell 1939-8-2 14916 a Siskiyou Spirit Lake, Marble Mts. 1828 Comment
  HSC8  Eremogone congesta William J. Ferlatte 1966-6-23 121 Siskiyou Dorleska Summit 2134 Comment
  CAS-BOT-BC168328  Eremogone congesta var. congesta W. R. Dudley 1905-8-4 s.n. Siskiyou Mt. Eddy Comment
  HSC75350  Eremogone congesta var. congesta J. O. Sawyer, M. Mesler 1980-8-10 4032 Siskiyou S of Carmen Lake, ultramafics of Scott Mtn. 1829 Comment
  CAS-BOT-BC286702  Ericameria bloomeri Elmer I. Applegate 1923-8-20 3899 Siskiyou Medicine Lake Comment
  HSC4759  Ericameria bloomeri William J. Ferlatte 1966-9-18 486 Siskiyou Big Flat; wooded area near public camp 1524 Comment
  RSA14485  Ericameria bloomeri Elmer I. Applegate 1923-9-7 3956 Siskiyou Near Dry Lake lookout station, Doggett Ridge, Siskiyou Mts. 1829 Comment
  RSA233676  Ericameria bloomeri R. F. Thorne, Fred Oettinger 1969-8-10 38988 Siskiyou Mount Shasta National Forest; south slope of Mt. Shasta at base of boulders. 2378 Comment
  CAS-BOT-BC287495  Ericameria greenei Louis C. Wheeler 1934-9-2 3238 Siskiyou Miller Glade, Klamath Forest 1828 Comment
  HSC82056  Ericameria greenei J. O. Sawyer 1968-9-11 700 Siskiyou On slopes above Twin Valley 1463 Comment
  RSA178673  Ericameria greenei A. A. Heller 1927-8-1 14438 Siskiyou Along the base of Spring Hill near the town of Mt. Shasta on the headwater of the Sacramento River. Comment
  UC1408922  Ericameria greenei Frederick W. Oettinger 1967-8-24 322 Siskiyou near lookout along trail on w slope of English Peak Salmon Mountains, Marble Mountain Wilderness Area, English P (w Siskiyou County) 2225 Comment
  CAS-BOT-BC294308  Ericameria nauseosa var. speciosa Alice Eastwood 1912-8-28 1938 Siskiyou Cantara Comment
  CHSC72229  Ericameria nauseosa var. speciosa Vernon H. Oswald; Lowell Ahart 1998-9-16 9630 Siskiyou Butte Valley National Grassland near the junction of Meiss Lake-Sams Neck Rd. and hwy. 97 ca. 5 mi north of Macdoel. 1295 Comment
  SD98956  Ericameria nauseosa var. speciosa Darley F. Howe Oct 1977 Siskiyou Route 3, 7.7 miles south of Aetna. Comment
  SEINET8079190 Image available Ericameria nauseosa var. speciosa Unknown 1919-10-3 s.n. Siskiyou Near Yreka Hills Comment
  CAS-BOT-BC293378  Erigeron acris var. kamtschaticus Wm. Bridge Cooke 1939-8-24 13911 Siskiyou Mount Shasta. On the east red ridge west of and above Panther Creek Meadows Comment
  CAS-BOT-BC293502  Erigeron aliceae Geo. D. Butler 1910-7-8 1657 Siskiyou Shackleford Creek 1371 Comment
  RSA261540  Erigeron bloomeri J. M. Tucker, L. K. Mann 1963-8-18 3765 Siskiyou Saddle between Marble Mountain and SW ridge of Black Mountain (Black Marble Mountain), Marble Mountain Wilderness Area 2104 Comment
  CAS-BOT-BC294495  Erigeron bloomeri var. bloomeri John Thomas Howell 1939-8-4 15052 Siskiyou Marble Rim, Marble Mts. 1889 Comment
  JEPS101141  Erigeron bloomeri var. nudatus Dean W. Taylor 1996-6-18 15723 Siskiyou Scott Mountains; bordering Shasta Valley, hillslopes about 4 miles south of Gazelle; Shasta-Trinity National Forests 1524 Comment
  RSA184710  Erigeron bloomeri var. pubens Gilbert Muth 1966-7-22 436 Siskiyou Marble Rim, Marble Mountains 2195 Comment
  HSC23629  Erigeron cervinus J. O. Sawyer 1969-8-4 1839 Siskiyou Above Sugar Lake 2134 Comment
  RSA238780  Erigeron cervinus Frederick W. Oettinger 1968-9-1 645 Siskiyou SSW of Abbotts Lake, adjacent to Red Fir Forest. Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1799 Comment
  CAS-BOT-BC294910  Erigeron chrysopsidis var. austiniae Annie M. Alexander; Louise Kellogg 1949-7-22 5842 Siskiyou Trail to Kings Castle, top of ridge. Paradise Lake, Marble Mountains 2072 Comment
  HSC46719  Erigeron compositus William J. Ferlatte 1974-7-15 1547 Siskiyou Dorleska summit, Grouse Ridge 200yd N of summit 2134 Comment
  CAS-BOT-BC297182  Erigeron concinnus var. concinnus L. E. Smith 1914-5-21 703 Siskiyou Montagne Comment
  JEPS22365  Erigeron filifolius W. L. Jepson 1940-6-23 20008 Siskiyou n Mt. Shasta; Andesite station 975 Comment
  HSC5516  Erigeron filifolius D. M. Thomson 1965-6-19 98 Siskiyou Lava Beds National Monument, Merril Ice Cave by side of trail Comment
  HSC61968  Erigeron foliosus var. confinis Al Hobart 5 Aug [year missing] Siskiyou Preston Peak Comment
  SD76176  Erigeron glacialis var. glacialis Helen V. Witham 1969-10-6 559 Siskiyou Kanaroo Lake, Scott Mountains 2100 Comment
  CAS-BOT-BC295395  Erigeron inornatus Dr. E. B. Copeland 1903-7-3 3531 Siskiyou Klamathon Comment
  CHSC71563  Erigeron inornatus var. inornatus Vernon H. Oswald; Lowell Ahart 1998-8-3 9410 Siskiyou Kangaroo Lake Rd. (USFS 41N08) 3.5 mi southeast of Gazelle-Callahan Rd. 1493 Comment
  SEINET5708483 Image available Erigeron inornatus var. inornatus Lowell E. Urbatsch, Vesna Karaman, Castro 2000-1 7702 Siskiyou Scott Mtns. Collected along Road 17, 11.8 mi SW from the intersection of I-5 and Stewart Spring Rd.; Scott Mountains 1955 Comment
  POM211805  Erigeron klamathensis L. C. Wheeler 1934-8-6 3055 Siskiyou Siskiyou Mountains; Rock Gulch off Jaynes Canyon. 1829 Comment
  RSA238715  Erigeron peregrinus subsp. callianthemus Frederick W. Oettinger 1969-7-13 1008 Siskiyou Slope N of Upper English Lake 1799 Comment
  CAS-BOT-BC295366  Erigeron petrophilus R. C. Wenk 2005-7-20 351 Siskiyou National Forest Road 17, 1 mile down road to the north, heading towards Mt. Shasta 2029 Comment
  CAS-BOT-BC295808  Erigeron petrophilus var. viscidulus Douglas Barbe 1959-7-4 532 Siskiyou North shore of Caribou Lk., about 4 mi SW of Big Flat Camp, Klamath Nat'l Forest 2103 Comment
  CHSC67468  Erigeron petrophilus var. viscidulus James D. Jokerst 1992-7-30 3432 Siskiyou Camp above Tamarack Flat, NW of Mt. Eddy. Comment
  CAS-BOT-BC300085  Erigeron philadelphicus Lewis S. Rose 1945-6-18 45097 Siskiyou Horse Creek & Klamath River 502 Comment
  CAS-BOT-BC300091  Erigeron philadelphicus Laura M. Lathrop 1903-7-17 s.n. Siskiyou Sisson Comment
  RSA50220  Erigeron philadelphicus E. K. Balls 1949-7-9 13927 Siskiyou 3.1 miles from Etna on road to Sawyer's Bar 915 Comment
  UC455839  Erigeron philadelphicus var. philadelphicus I. J. Condit 1911-7-3 Siskiyou Shasta Retreat Comment
  UC468829  Erigeron philadelphicus var. philadelphicus W. A. Setchell, C. C. Dobie 1902-7-13 Siskiyou Sisson Mount Shasta, Sisson Comment
  POM39278  Erigeron pumilus subsp. intermedius Geo. D. Butler 1910-6-3 1471 Siskiyou Quartz Valley. Comment
  UC896031  Erigeron pumilus var. intermedius A. A. Heller 1938-7-12 15261 a Siskiyou near the e base of Deer mountain 1371 Comment
  CHSC8614  Eriodictyon californicum G. Smalley 1967-6-7 Siskiyou Collected ca. 9 miles w of Fort Jones on Quartz Mt. 1280 Comment
  UC1211908  Eriodictyon californicum Roy L. Taylor 1960-6-12 4447 Siskiyou 1 mi w of jtn of Hwy 96 (Klamath River Rd.) and Hwy 99 n Yreka (above Klamath River); above Klamath River Comment
  SEINET5495491  Eriodictyon californicum G. Butler 1910-5-25 1405 Siskiyou Near Yreka Comment
  SBBG15739  Eriodictyon lobbii D. Myrick 1961-6-22 319 Siskiyou Hwy 89 near McCloud 914 Comment
  CAS-BOT-BC248836  Eriogonum compositum var. compositum D. E. Breedlove 1962-6-11 3344 Siskiyou 7.4 miles south-west of Scott Bar 624 Comment
  HSC35112  Eriogonum compositum var. compositum J. P. Smith 1974-5-27 7634 Siskiyou Along FS Rd. 47N03 1280 Comment
  CAS-BOT-BC250063  Eriogonum compositum var. compositum Lillian Mott 1976-7-4 28 LM76 Siskiyou Cook and Green Pass road north of Seiad Valley at waterfowl 1463 Comment
  HSC43407  Eriogonum diclinum K. T. Stillman 1976-6-27 149 Siskiyou Marble Mtn. Wilderness area 2073 Comment
  JEPS74481  Eriogonum elatum var. elatum W. J. Ferlatte 1966-8-2 214 Siskiyou wooded area near public camp; Trinity Alps, Big Flat 1524 Comment
  JEPS84298  Eriogonum elatum var. elatum L. R. Heckard with J. Hickman et al. 1986-7-17 6488 Siskiyou ca. 3.5 mi n on Oak Knoll Ranger Station road to Condrey Mt. Hwy 96 (Walker) 850 Comment
  CAS-BOT-BC255762  Eriogonum elatum var. villosum John Thomas Howell 1939-8-2 14885 Siskiyou Spirit Lake, Marble Mts. 1828 Comment
  CAS-BOT-BC259366  Eriogonum lobbii Doris K. Kildale 1928-8-20 6618 Siskiyou Hancock Lookout, on trail to Marble Mt. 13 Comment
  CAS-BOT-BC263656  Eriogonum luteolum var. luteolum Geo. D. Butler 1910-6-17 1572 Siskiyou Near Yreka Comment
  HSC26560  Eriogonum marifolium J. P. Smith, J. O. Sawyer 1972-8-20 5752 Siskiyou Slope of Mt. Hoffman 2134 Comment
  HSC43462  Eriogonum marifolium Jennifer Whipple 1976-6-18 1042 Siskiyou W facing slope of the ridge between Durney Lake and Little Crater 2378 Comment
  UC1505832  Eriogonum marifolium Robert T. Clausen and Harold Trapido 1940-7-27 4975 Siskiyou 5 mi ne, on w side of Mountainhouse Creek summit of Mt. Shasta; So. Cascade Mts., Mountainhouse Creek 1981 Comment
  SEINET3836458 Image available Eriogonum marifolium W. L. Jepson 1940-6-27 20033 Siskiyou Mt. Shasta 1829 Comment
  CAS-BOT-BC263184  Eriogonum marifolium var. cupulatum John Thomas Howell 1934-7-4 12395 Siskiyou Se. corner of Siskiyou Co. Comment
  CAS-BOT-BC267390  Eriogonum marifolium var. marifolium A. A. Heller 1939-7-31 15429 Siskiyou Junction of the Horse Camp and Panther Meadow roads. Mt. Shasta 2286 Comment
  CDA22622  Eriogonum microthecum F. D. Horn 1977-10-5 Siskiyou Shasta Vista Estates, Grenada. 0 Comment
  CAS-BOT-BC94474  Eriogonum nudum R. C. Wenk 2005-7-19 342 Siskiyou Along Pacific Crest Trail, between Deadfall Lakes and pass below Mt. Eddy 2407 Comment
  SEINET11262471  Eriogonum nudum var. nudum D. W. McNeal 1978-6-2 2157 Siskiyou Along shoulder of Hwy #96, 6.8 mi s of Happy Camp.; 0 Comment
  HSC19517  Eriogonum nudum var. nudum J. O. Sawyer 1969-7-16 1133 Siskiyou Summit NE of Waterdog Lake 2332 Comment
  HSC689  Eriogonum nudum var. nudum William J. Ferlatte 1967-8-23 1113 Siskiyou Along S Fork of the Salmon River between the campground and Carter's 1524 Comment
  CAS-BOT-BC269739  Eriogonum nudum var. oblongifolium Doris Overman 1919-9-1 s.n. Siskiyou Yreka Comment
  CDA30918  Eriogonum nudum var. oblongifolium M. Beyers, G. F. Hrusa 2010-8-18 695 Siskiyou Highway 96; Sluice Box Klamath River Access. 556 Comment
  CAS-BOT-BC272497  Eriogonum nudum var. pubiflorum Reed C. Rollins; T. S. Chambers 1938-8-15 2723 Siskiyou 3 miles south of Weed 914 Comment
  JEPS56649  Eriogonum nudum var. pubiflorum W. L. Jepson 1940-6-22 19978 Siskiyou near Hawkinsville; Shasta River 792 Comment
  UC61057  Eriogonum nudum var. pubiflorum W. A. Setchell, C. C. Dobie 1902-7-14 Siskiyou Sisson Mount Shasta, Sisson Comment
  UC646552  Eriogonum nudum var. pubiflorum Reed C. Rollins and T. S. Chambers 1938-8-14 2720 Siskiyou 3 mi s Hornbrook 914 Comment
  CHSC98694  Eriogonum ovalifolium var. eximium L. P. Janeway; B. Castro 2007-7-29 9136 Siskiyou High Cascade Range. Medicine Lake Highlands; Pumice Stone Mountain, on top of the northwest-trending shoulder. 2067 Comment
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Mar 28 2018
  JEPS114194  Eriogonum ovalifolium var. purpureum L. P. Janeway, B. Castro 2007-7-29 9136 Siskiyou High Cascade Range. Medicine Lake Highlands; Pumice Stone Mountain, on top of the northwest-trending shoulder. Comment
  JEPS56534  Eriogonum pyrolifolium Willis L. Jepson 1897-8-4 14777 Siskiyou spring near Horse Camp (near snow line); Mt. Shasta Comment
  JEPS128833  Eriogonum siskiyouense Julie Kierstead Nelson with Rhonda Posey 2017-7-18 2017 -045 Siskiyou Eastern Klamath Ranges; Forest Service Road 41N14 Y, 0.1 mile west of Parks Creek Road (County Road 17). Comment
  JEPS56405  Eriogonum siskiyouense Dorothy Parker 1968-8-10 Siskiyou above Kangaroo Lake; Kangaroo Divide 1920 Comment
  CAS-BOT-BC262728  Eriogonum sphaerocephalum var. halimioides L. E. Smith 1913-7-1 446 Siskiyou Hilt Comment
  CAS-BOT-BC271963  Eriogonum sphaerocephalum var. halimioides M. K. Curran 1887-7-1 s.n. Siskiyou Gazelle Comment
  HSC103626  Eriogonum strictum var. greenei Thomas W. Nelson, Jane Nelson 1983-8-12 7587 Siskiyou Along Forest Service Rd. 40N02, ~ 1 mile north of junction with State Route 3 at Scott Mountain Summit 1646 Comment
  SBBG27992  Eriogonum ternatum L. C. Wheeler 1934-9-1 3235 Siskiyou Jaynes Cyn, Siskiyou Mtns 1950 Comment
  HSC65496  Eriogonum umbellatum R. White 1977-7-1 103 Siskiyou Top of Sawtooth Mtn. 1761 Comment
  CAS-BOT-BC267942  Eriogonum umbellatum Maralyn A. Renner 1980-6-24 1059 Siskiyou Klamath National Forest. Ridge 1/2 mile east of Cook and Green Pass 1554 Comment
  CAS-BOT-BC267978  Eriogonum umbellatum var. argus John Thomas Howell 1937-7-29 13629 Siskiyou Scott Mt. between Trinity and Siskiyou cos. Comment
  UC1409204  Eriogonum umbellatum var. argus Frederick W. Oettinger 1968-8-4 398 Siskiyou ridge s English Peak Lookout; Salmon Mountains, Marble Mountain Wilderness 2225 Comment
  UC163829  Eriogonum umbellatum var. dumosum Geo. D. Butler 1909-6-27 968 Siskiyou Shasta River bluffs Shasta River Comment
  UC83633  Eriogonum umbellatum var. modocense Dr. E. B. Copeland 1903-7-6 3496 Siskiyou Hornbrook Comment
  RSA50236  Eriogonum umbellatum var. polyanthum E. K. Balls 1949-7-9 13945 Siskiyou Salmon Mtns. top of pass on rd from Etna to Sawyer's Bar. 1479 Comment
  HSC42989  Eriogonum vimineum J. P. Smith, Steve Selva 1970-8-8 4567 Siskiyou Lava Beds National Monument Comment
  HSC91303  Eriophorum crinigerum Jennifer Whipple 1976-6-17 1026 Siskiyou Near Durney Lake 2073 Comment
  RSA238941  Eriophorum crinigerum Frederick W. Oettinger 1968-9-7 754 Siskiyou Local on shistose rock of the Hancock Lake outlet falls surrounded by running water. Open site on NE end of Lake. Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1936 Comment
  SEINET10953204  Eriophyllum lanatum Melvin L. Conrad, David B. Dunn; Katherine L. Morris 1973-6-1 Conrad 6966 Siskiyou Oak-Juniper Woodland at margin of Klamath River, 2 miles south of Hornbrook. 701 Comment
  UCD132177  Eriophyllum lanatum Wm. E. Moon 1958-5-29 s.n. Siskiyou State Highway 97, 12 miles northeast of Weed. 1219 Comment
  CAS-BOT-BC301122  Eriophyllum lanatum var. achilleoides Alice Eastwood 1912-8-30 1966 Siskiyou Mount Eddy Comment
  UC163918  Eriophyllum lanatum var. achilleoides unknown 1910-5-4 1279 Siskiyou dry hill near Yreka Comment
  UC896332  Eriophyllum lanatum var. achilleoides A. A. Heller 1915-7-16 12101 a Siskiyou slope n side of Mt. Eddy 1371 Comment
  UC90308  Eriophyllum lanatum var. achilleoides T. S. Brandegee 1887-7-1 Siskiyou Montague Comment
  CDA33631  Eriophyllum lanatum var. integrifolium R. A. Price 2010-7-3 1661 Siskiyou Along Forest Service Road 17 (Stewart Springs Road); 5 miles east of crest. 0 Comment
  CAS-BOT-BC301715  Eriophyllum lanatum var. lanceolatum J. M. Tucker; L. K. Mann 1963-8-18 3763 Siskiyou Between Marble and southwest ridge of Black Mountain, Marble Mountain Wilderness Area 2103 Comment
  CAS-BOT-BC301726  Eriophyllum lanatum var. lanceolatum Gilbert Muth 1965-7-29 s.n. Siskiyou Trail to Marble Mt. Lookout Comment
  POM301745  Eriophyllum lanatum var. lanceolatum Marion Ownbey, Fred G. Meyer 1940-7-4 2174 Siskiyou Siskiyou Mts. Northwest of Hornbrook. Comment
  SBBG16530  Eriophyllum lanatum var. lanceolatum D. Myrick 1961-6-20 274 Siskiyou near Mt Shasta City 1066 Comment
  SDSU4103  Eriophyllum lanatum var. lanceolatum D. F. Howe 1962-8-5 3396 Siskiyou 15.2 miles east of Happy Camp on #96. 549 Comment
  HSC41085  Erodium cicutarium J. O. Sawyer 1970-3-4 2071 Siskiyou N of Idlewild Campground. 762 Comment
  UC375288  Eruca vesicaria subsp. sativa Geo. D. Butler 1908-7-14 1049 Siskiyou Yreka, field near Comment
  UC140590  Eryngium articulatum unknown 1900-8-9 Siskiyou Shasta Region, Sisson's Comment
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Jan 18 2012
  CAS-BOT-BC54575  Erysimum capitatum L. E. Smith 1913-5-25 280 Siskiyou Gazelle. Comment
  CAS-BOT-BC54586  Erysimum capitatum G. B. Rossbach 1938-6-24 11073 Siskiyou Mount Shasta. MacBride Spring. 1524 Comment
  HSC19560  Erysimum perenne J. O. Sawyer 1969-7-24 1472 Siskiyou NW facing slope SW of Sugar lake. 1829 Comment
  HSC91047  Erysimum perenne Jennifer Whipple 1976-7-24 1557 Siskiyou SW of Dobkins Lake along the drainage into the lake 2287 Comment
  UC1037378  Erysimum perenne Douglas Barbe 1955-7-6 116 Siskiyou along ne shore Taylor Lake; Klamath Mountains, Salmon Mountains 1950 Comment
  CAS-BOT-BC105072  Erythranthe breweri R. C. Wenk 2008-7-24 913 Siskiyou SW side of Mount Shasta, Panther Meadow. Rocky area between wet boggy meadow, Phyllodoce heath, and red fir forest 2255 Comment
  SEINET14287547  Erythranthe guttata G. D. Butler 1910-5-29 1423 Siskiyou Near Yreka. Comment
  RSA28196  Erythronium citrinum var. citrinum Elmer I. Applegate 1932-4-15 7059 Siskiyou Quartz Valley, near Fort Jones Comment
  JEPS61854  Erythronium grandiflorum W. L. Jepson 1907-7-5 2826 Siskiyou Marble Mt. Comment
  HSC19558  Erythronium grandiflorum subsp. grandiflorum J. O. Sawyer 1969-7-18 1424 Siskiyou E of Russian Lake 2043 Comment
  HSC62633  Erythronium grandiflorum subsp. grandiflorum Ruby Van Deventer 1938-6-25 Siskiyou Youngs Valley 1524 Comment
  HSC25665  Eucephalus ledophyllus var. ledophyllus J. O. Sawyer 1969-9-12 2010 Siskiyou Hanging valley N of Wildcat Peak 2012 Comment
  HSC69416  Eucephalus ledophyllus var. ledophyllus John S. Palmer 1980-8-13 758 Siskiyou Dead Cow Creek, near FS 47N44 from Beaver Creek Rd. 1616 Comment
  POM67557  Euonymus occidentalis Geo. D. Butler 1910-7-9 1700 Siskiyou Shackleford Creek. 1220 Comment
  CAS-BOT-BC202765  Euonymus occidentalis Dorothy Parker 1951-7-15 s.n. Siskiyou Along banks of Etna Creek 883 Comment
  UC144542  Euphorbia crenulata A. A. Heller 1905-6-5 7981 Siskiyou between Shasta Retreat and Shasta Springs Comment
  CAS-BOT-BC310637  Eurybia radulina A. A. Heller 1915-8-24 12206 Siskiyou Metcalf's ranch, northeast base of Mt. Eddy 1188 Comment
  UC166590  Eurybia radulina Geo. D. Butler 1910-7-20 1729 Siskiyou Goosenest foothills 1524 Comment
  CAS-BOT-BC459230  Euthamia occidentalis Geo. D. Butler 1910-8-27 1859 Siskiyou Oro Fino Comment
  RSA507775  Euthamia occidentalis J. C. Semple, S. Heard 1986-8-16 8468 Siskiyou CA-96, 1.6 km W of Horse Creek, before CA-3; by Klamath River Comment
  SEINET957942  Fabaceae G. D. Butler 1910-1 1441 Siskiyou Dry banks near Guka. Comment
  CAS-BOT-BC413902  Fallopia convolvulus R. E. Frenkel 1963-7-13 249 Siskiyou On west side of Everitt Memorial Highway, 0.4 mile north of McCloud River RR crossing near Mount Shasta 1176 Comment
  HSC39664  Festuca californica J. P. Smith, J. O. Sawyer, Marilyn O'Meara 1972-7-4 5735 Siskiyou Parrott Mill Rd, 2 mi. S of Sugar Creek 1341 Comment
  HSC30522  Festuca idahoensis Frederick W. Oettinger 1969-8-16 1410 Siskiyou Marble Mtn.Wilderness Area, NE of Wiregrass Meadow, near English Lake 1677 Comment
  HSC76960  Festuca idahoensis K. T. Stillman 1976-7-21 274 Siskiyou Marble Mtn. Wilderness Area 1982 Comment
  RSA239117  Festuca idahoensis Frederick W. Oettinger 1969-9-2 1584 Siskiyou Bear Meadow near Tom Taylor Cabin. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2027 Comment
  UCD66110  Festuca idahoensis Mr. Roseman 1913-1 18 Siskiyou Butte Valley. Comment
  HSC19058  Festuca occidentalis J. O. Sawyer 1969-7-23 1185 Siskiyou Along road near Horse Range Creek. 1341 Comment
  HSC19060  Festuca occidentalis J. O. Sawyer 1969-7-23 1174 Siskiyou Near Horse Range Creek. 1341 Comment
  UCD66151  Festuca occidentalis A. A. Heller 1915-7-18 12123 Siskiyou Metcalf's ranch, northeast base of Mt. Eddy. 1188 Comment
  UC197105  Festuca roemeri Geo. D. Butler 1909-6-13 833 Siskiyou Moffitt Creek Comment
  UC593532  Festuca roemeri E. B. Babcock and G. L. Stebbins Jr. 1936-6-11 1910 Siskiyou about 7 mi sw Yreka (s of highway from Yreka to Fort Jones); Forest House Mt. 1371 Comment
  UCD66366  Festuca rubra Collector Unknown 1889-6-1 Siskiyou Edgewood. Comment
  CAS-BOT-BC53262  Frangula californica subsp. californica A. A. Heller 1916-7-22 12490 Siskiyou East side of Mt. Eddy Comment
  SBBG19298  Frangula californica subsp. occidentalis M. A. Piehl 1956-8-14 Siskiyou near jade mine, vicinity of Happy Camp Comment
  CAS-BOT-BC60021  Frangula purshiana A. A. Heller 1905-6-5 7969 Siskiyou Near Shasta Springs. Comment
  CAS-BOT-BC60024  Frangula purshiana John Thomas Howell 1937-7-24 13424 Siskiyou Caribou Basin, Salmon-Trinity Alpa. 2286 Comment
  CAS-BOT-BC223580  Fraxinus latifolia G. B. Grant 1902-9-13 s.n. Siskiyou Dunsmuir Comment
  RSA134944  Fraxinus latifolia Percy C. Everett, E. K. Balls 1959-10-24 23948 Siskiyou 3.3 miles from Forks along Salmon River, Sawyers Bar to Somes Bar 366 Comment
  RSA74739  Fraxinus latifolia Albert M. Vollmer, L. Beane 1951-6-2 46 Siskiyou Klamath River Hwy, between US 99 and Gottville. Comment
  UC141797  Fraxinus latifolia Dr. E. B. Copeland 1903-7-4 3559 Siskiyou Klamathon Comment
  HSC91455  Fritillaria atropurpurea Jennifer Whipple 1976-6-17 1018 Siskiyou N face of Mt. Eddy 2226 Comment
  CAS-BOT-BC502833  Fritillaria atropurpurea Mrs. Eric Anderson 1923-4-19 s.n. Siskiyou Shasta Springs Comment
  CAS-BOT-BC502845  Fritillaria atropurpurea Ira L. Wiggins 1950-5-28 12390 Siskiyou Hillside .3 mile west of Carmen Lake 1706 Comment
  HSC30638  Fritillaria atropurpurea Frederick W. Oettinger 1969-7-9 943 Siskiyou Marble Mtn. Wilderness Area, NW of Upper English Lake 1799 Comment
  SEINET3886631  Fritillaria pudica James P. Smith 1974-5-26 7581 Siskiyou Copco Quad. Along Forest Service road 47N03, 1/4 mile northeast of Chandler Glade.; 0 1768 Comment
  CHSC3219  Fritillaria recurva Gerry Carrauthers 1966-5-13 163 Siskiyou 6 mi. from Gazelle on Gazelle Mountain. 1219 Comment
  UC673166  Fritillaria recurva Lincoln Constance, Reed C. Rollins 1942-5-14 2925 Siskiyou 4 mi w of Yreka (Road to Walker Post Office); Klamath-Siskiyou Region 1219 Comment
  UCD77234  Galium bifolium Robert E. Preston 2001-6-30 1644 Siskiyou Klamath National Forest, north slope of Rainbow Mountain. 1722 Comment
  JEPS25845  Galium bolanderi Rimo Bacigalupi with L. Constance and L. Heckard 1960-7-21 7470 Siskiyou roadbank on state Hwy 96 about 5 mi s Clear Creek ((or 4 mi n of Swillup Creek), along river); Klamath River 292 Comment
  UC416635  Galium bolanderi Milo S. Baker 1899-7-17 Siskiyou Lava Beds Fall River Valley Comment
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Jan 16 2007
  UC416643  Galium boreale subsp. septentrionale W. A. Setchell, C. C. Dobie 1902-7-23 Siskiyou Hearst Castle Comment
  HSC25488  Galium glabrescens subsp. glabrescens J. P. Smith, J. O. Sawyer, Maralyn O'Meara 1972-7-3 5716 Siskiyou E slope of Kangaroo Mtn., above Toehead Lake. 1890 Comment
  HSC61215  Galium oreganum Al Hobart Siskiyou El Capitan Comment
  UC1258469  Galium triflorum John Palmer 1980-8-12 686 Siskiyou se Wards Gap; Klamath National Forest, Condry Mtn. Quad 1188 Comment
  HSC36168  Galium triflorum Brent Whiteley 1975-6-28 69 Siskiyou 915 Comment
  RSA597572  Garrya flavescens Louis C. Wheeler 1963-9-3 8346 Siskiyou Siskiyou Mountains. Cyclone Gap chrome mine. Comment
  HSC40240  Garrya fremontii J. P. Smith 1976-5-5 8690 Siskiyou Road between Sawyers Bar and Somes Bar 488 Comment
  RSA44064  Garrya fremontii W. Bridge Cooke 1941-9-16 16319 Siskiyou Along the Castle Lake Road. Comment
  UC1174946  Garrya fremontii P. C. Everett and E. K. Balls 1959-10-24 23947 Siskiyou on road from Sawyers Bar to Somesbar (Forks of Salmon River); Salmon River 381 Comment
  UC876011  Garrya fremontii L. E. Smith Jul 1912 Siskiyou Hornbrook Comment
  HSC65346  Gaultheria ovatifolia Rich White 218 Siskiyou E of Sawtooth Trail and N of Dillon Trail 1502 Comment
  RSA604467  Gaultheria shallon L. C. Wheeler 1959-7-25 7595 Siskiyou Marble Mountains: Camp Three, Rogers Creek. Comment
  SEINET10453068  Gayophytum diffusum Mary Susan Taylor 1980-8-19 Taylor 3267 A Siskiyou T43N R2E se sec 23, Medicine Lake quad. Shasta-Trinity Natl Forest, in pumice, on Paint Pot Crater. With J. Prouty & E. Heinz. 1920 Comment
  UC164345  Gayophytum diffusum subsp. parviflorum Geo. D. Butler 1908-8-3 165 Siskiyou Lake Long Comment
  HSC34828  Gayophytum diffusum subsp. parviflorum J. P. Smith, J. O. Sawyer 1975-10-23 8487 Siskiyou 1768 Comment
  POM254607  Gayophytum diffusum subsp. parviflorum W. Bridge Cooke 1940-8-22 15485 Siskiyou Mount Shasta: Squaw Valley Creek meadows 2439 Comment
  POM261010  Gayophytum diffusum subsp. parviflorum W. Bridge Cooke 1941-9-10 16307 Siskiyou In the yard at Horse Camp, Mt. Shasta. 2439 Comment
  UC1409236  Gayophytum diffusum subsp. parviflorum Frederick W. Oettinger 1969-8-12 1351 Siskiyou on English Lake Trail above Willow Spring (w Siskiyou Co., high lake basins in vicinity of English Peak); Salmon Mountains, Marble Mountain Wilderness Area 1676 Comment
  JEPS27537  Gayophytum heterozygum Willis L. Jepson Jul 24 1894-Aug 10 1894 14435 Siskiyou Sisson Region of the Upper Sacramento Comment
  POM258616  Gayophytum heterozygum W. Bridge Cooke 1940-7-12 15343 Siskiyou Mount Shasta: Along the Sisson Southern Trail near MacBride Springs. 1524 Comment
  SEINET10741189  Gentiana calycosa Andrew Townesmith, Karen M. Meyer 2007-8-1 Townesmith 878 Siskiyou Shasta-Trinity National Forest. 11.7 miles up Stewart Springs road/Forest Service road 17 (distance from intersection of Stewart Springs and Old 99 Highway). T41N R6W near sections 28 and 33. 1983 Comment
  HSC60905  Gentiana calycosa Al Hobart Siskiyou Black Butte Comment
  HSC96313  Gentiana newberryi var. newberryi Gordon Leppig 1998-8-14 1020 Siskiyou Klamath National Forest, Russian Wilderness, Little Duck Lake Fen, cirque W of Little Duck Lake 2200 Comment
  HSC34271  Gentiana plurisetosa J. P. Smith, J. O. Sawyer 1973-8-14 7320 Siskiyou W of Cliff Lake 1982 Comment
  JEPS24353  Gentiana plurisetosa Geo. D. Butler 1910-7-9 1709 Siskiyou Shackleford Creek 1219 Comment
  SEINET12651468 Image available Gentiana setigera C. C. Harris, S. K. Harris 1939-8-29 976 Siskiyou Half Moon Meadow, Marble Mountain Primitive Area. 1670 Comment
  JEPS123405  Gentianella amarella subsp. acuta Julie Kierstead Nelson with Don Lepley, Rhonda Posey 2015-8-13 2015 -125 Siskiyou Headwaters of west fork Parks Creek, 2 miles NE of China Mountain. Comment
  UC1584287  Gentianella amarella subsp. acuta J. Kierstead, R. Bittman, and M. Myers 1989-8-11 89 -69 Siskiyou Gumboot Creek crossing Shasta-Trinity National Forest, Mt. Shasta Ranger District (s side of FS Rd 26) 1767 Comment
  UC166618  Geum macrophyllum Geo. D. Butler 1910-6-5 1506 Siskiyou Shackleford Creek Comment
  POM75060  Gilia capitata Geo D. Butler 1908-8-6 32 Siskiyou Summit above Cold Spring, [Molly] Creek 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
  POM211403  Glyceria leptostachya L. C. Wheeler 1934-6-26 2797 Siskiyou Siskiyou Mountains, Cottonwood Creek. 838 Comment
  RSA239001  Glyceria striata Frederick W. Oettinger 1968-9-2 665 Siskiyou Southwest of Upper English Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1860 Comment
  RSA15684  Gnaphalium chilense C. B. Wolf 1927-8-26 1061 Siskiyou Klamath River, 3 miles below Gottville 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
  RSA59842  Grayia spinosa E. K. Balls 1950-5-17 14726 Siskiyou SW corner of Tule Lake, (State Game Refuge). 1265 Comment
  RSA675180  Gutierrezia sarothrae F. R. Schallert 1953-8-10 2394 Siskiyou below Shasta Comment
  UCD98141  Gypsophila paniculata T. C. Fuller 1963-8-27 11160 Siskiyou n. limits of Macdoel. Comment
  RSA114970  Hackelia bella E. K. Balls, L. W. Lenz 1956-6-18 21800 Siskiyou 5 mi. w. of McCloud, State Hwy. 89. 1341 Comment
  RSA238560  Hackelia bella Frederick W. Oettinger 1967-8-13 262 Siskiyou About 30 yards SE of Tom Taylor Cabin. 2043 Comment
  UCD77746  Hackelia californica Robert E. Preston 2001-6-23 1600 a Siskiyou Klamath National Forest, n-facing slope of Rainbow Mtn, T42N R1W nw 1/4 of nw 1/4 Section 23 2011 Comment
  JEPS25855  Hastingsia alba Rimo Bacigalupi with L. Constance and L. Heckard 1960-7-21 7488 Siskiyou 6.2 mi above and sw Callahan (seven mi below and ne of road summit on road from Cecilville to Callahan) Comment
  CAS-BOT-BC504600  Hastingsia alba W. R. Dudley 1899-8-26 s.n. Siskiyou Upper Sacramento Comment
  CAS-BOT-BC508651  Hastingsia alba Edna Kelsey 1961-8-1 s.n. Siskiyou Marble Mts. Comment
  RSA105445  Hastingsia alba Milo S. Baker 1955-7-26 13078 Siskiyou Hwy 99, 4 mi S of Gazelle. 915 Comment
  CAS-BOT-BC302427  Hazardia whitneyi Louis C. Wheeler 1934-8-5 3045 Siskiyou Klamath National Forest. Condrey Mt. 2164 Comment
  CAS-BOT-BC302449  Hazardia whitneyi var. discoidea Gilbert J. Muth 1969-8-10 1344 Siskiyou Red Mountain Ridge Comment
  CAS-BOT-BC302454  Hazardia whitneyi var. discoidea Edward Lee 1934-8-14 1097 Siskiyou Near summit of Little Grayback, Siskiyou-Del Norte County line 1868 Comment
  RSA0037111  Helenium autumnale T. C. Fuller 1960-8-23 4966 Siskiyou ca. 1 mi. SE/Greenview, Scott Valley. Comment
  UCD148983  Helenium autumnale T. C. Fuller 1960-8-23 4966 Siskiyou around 1 mile southeast of Greenview, Scott Valley. Comment
  JEPS80579  Helenium bigelovii Gilbert Muth 1965-8-2 145 Siskiyou Marble Valley Marble Mt. Wilderness Area, Marble Valley 1792 Comment
  JEPS93925  Helenium bigelovii Vernon H. Oswald and Lowell Ahart 1998-8-3 9414 Siskiyou Kangaroo Lake Road (USFS 41N08) 3.9 mi se of Gazelle-Callahan Road at its intersection with USFS 41N10 Kangaroo Lake Road 1554 Comment
  UC1040699  Helenium bigelovii Beecher Crampton 1956-8-21 3809 Siskiyou slopes above Gumboot Lake (headwaters of river); south fork Sacramento River 1920 Comment
  UCD132697  Helenium bigelovii J. M. Tucker 1974-7-28 4306 Siskiyou Haypress Meadows, Marble Mountain Wilderness Area. 1463 Comment
  RSA183489  Helenium bigelovii J. M. Tucker 1963-8-17 3738 Siskiyou In vicinity of cabin, lower Red Rock Valley, Marble Mountain Wilderness Area. 1494 Comment
  UC1282023  Helenium bigelovii Louise Kellogg 1953-8-8 112 Siskiyou on road between Callahan and Trinity Center (nw slope of Scott Mountain); Klamath National Forest, Scott Mountain, Mule Creek 1402 Comment
  HSC82585  Helianthella californica Thomas W. Nelson, Jane P. Nelson 1979-5-26 4710 Siskiyou Along Hwy. 3, N of Scott Mtn. Summit, at junction with FS Rd. 40N03 1524 Comment
  JEPS33586  Helianthella californica subsp. shastensis W. L. Jepson 1894-1 Siskiyou Sisson Comment
  JEPS109554  Helianthus exilis Dean W. Taylor 2002-7-20 18251 Siskiyou West Fork Parks Creek, along Forest Road 1310 Comment
  UC1191658  Heliotropium curassavicum Verne Grant and Irving Schneider 1947-8-26 8303 Siskiyou Lower Klamath Lake, alkali flats by Interstate Hwy. Lower Klamath Lake Comment
  HSC33987  Hemizonella minima J. P. Smith 1974-5-25 7489 Siskiyou Along Rd. 8, 4.7 mi. W of its junction with Hwy. 3 1159 Comment
  UC165250  Hemizonella minima Geo. D. Butler 1909-6-13 801 Siskiyou Moffitt Creek Comment
  CAS-BOT-BC313450  Hemizonella minima Louis C. Wheeler 1934-6-1 2601 Siskiyou Dry Lake Lookout, Siskiyou Mts. 2057 Comment
  UC1096811  Hemizonella minima Milo S. Baker 1957-6-16 13109 Siskiyou Scott Mts. Comment
  HSC27593  Heteromeles arbutifolia Carl W. Mize 1972-6-21 68 Siskiyou Along trail by sharp bend in trail 274 Comment
  RSA608378  Heterotheca oregona L. C. Wheeler 1934-9-15 3265 Siskiyou Walker, Klamath River, Siskiyou Mts. (Mt. Diablo Mer.) 518 Comment
  CAS-BOT-BC311034  Heterotheca oregona var. compacta Henry M. Pollard 1956-10-7 s.n. Siskiyou Klamath River bar on Spink's Ranch at Roger's Creek, Somes Bar Comment
  JEPS5823  Heterotheca oregona var. rudis Geo. D. Butler 1909-10-3 976 Siskiyou near Yreka (McNulty's field) Comment
  CAS-BOT-BC420706  Heuchera merriamii Ira L. Wiggins 1955-7-27 13561 Siskiyou Caribou Lake, Salmon-Trinity Alps Primitive Area 2042 Comment
  CHSC99585  Heuchera merriamii L. P. Janeway 2008-7-22 9447 Siskiyou Klamath Ranges. Between the Trinity Mountains, Castle Crags, and The Eddys; narrow ridge between Hart Lake and Little Castle Lake. Growing in rocky cracks in very steep north-facing granite outcrop. 1871 Comment
  UC609371  Heuchera merriamii Eleanor Burks 1938-8-21 918 Siskiyou Upper Wright Lake 2225 Comment
  CAS-BOT-BC420937  Heuchera micrantha var. diversifolia Marion Ownbey; Fred G. Meyer 1940-7-4 2175 Siskiyou Dry, north slope, Siskiyou Mts., northwest of Hornbrook Comment
  CAS-BOT-BC319676  Hieracium albiflorum H. A. Thomas; J. H. Thomas 1954-7-21 4393 Siskiyou Salmon - Trinity Mts. about 6 miles SE of Cecilville west side of Rush Creek 1036 Comment
  UC1190256  Hieracium albiflorum Ira L. Wiggins 1955-7-21 13435 Siskiyou 2 mi above Mt. View Ranch (Rush Creek Trail); Rush Creek Trail 1097 Comment
  UC1483516  Hieracium albiflorum John Palmer 1980-8-13 767 Siskiyou near F.S. Rd. 47N44 (from Beaver Creek Road); Klamath National Forest, Condry Mtn. Quad., Dead Cow Creek 1615 Comment
  CAS-BOT-BC319686  Hieracium albiflorum L. E. Smith 1913-7-1 449 Siskiyou Dunsmuir Comment
  HSC81198  Hieracium bolanderi Thomas W. Nelson, Jane P. Nelson 1980-7-5 5966 Siskiyou Fowler's Campground 1006 Comment
  RSA95170  Hieracium bolanderi J. T. Howell 1939-8-6 15097 Siskiyou Marble Mountains Comment
  SEINET515843  Hieracium greenei Vernon Oswald 1997-7-28 8801 Siskiyou Forest Route 15 near Grasshopper Flat, 3.9 mi. S of Medicine Lake Road. 1701 Comment
  HSC69167  Hieracium horridum Maralyn A. Renner 1980-8-7 2379 Siskiyou Klamath National Forest, NW flank of Preston Peak, near summit 2180 Comment
  UC1408935  Hieracium horridum Frederick W. Oettinger 1969-9-3 1610 Siskiyou below English Peak (w Siskiyou County); Salmon Mountains, Marble Mountain Wilderness Area, Shasta Ri 2072 Comment
  UC572809  Hieracium horridum W. Bridge Cooke 1938-8-17 9250 Siskiyou lava slopes Mt. Shasta 2590 Comment
  UC618648  Hieracium horridum unknown 1938-9-17 11703 Siskiyou canyon w Horse Camp (canyon below Horse Camp); Mount Shasta 2133 Comment
  CAS-BOT-BC316019  Hieracium nudicaule John Thomas Howell 1937-7-21 13178 Siskiyou South Fork of Salmon River near Big Flat 1524 Comment
  UC32784  Hieracium nudicaule W. A. Setchell, C. C. Dobie 1902-7-1 Siskiyou Sisson Mount Shasta Comment
  CAS-BOT-BC316011  Hieracium nudicaule H. M. Hall 1909-7-1 8677 Siskiyou Salmon River, Salmon Mountains 1584 Comment
  UC165399  Hieracium parryi Geo. D. Butler 1910-6-3 1470 Siskiyou Quartz Valley Comment
  CHSC70715  Hieracium scouleri A. Sanger 1996-7-16 2426 Siskiyou 200 yds N of road to Burnt Lava Flow, on Rd 56. On E side of road. 1804 Comment
  HSC29196  Hieracium scouleri Frederick W. Oettinger 1969-8-9 1257 Siskiyou High Lake Basins near English Peak; Marble Mtn. Wilderness Area: Tom's Lake Basin 1890 Comment
  CHSC69071  Hieracium scouleri var. nudicaule Vernon Oswald; Lowell Ahart 1997-7-28 8777 Siskiyou Forest Route 56 (42N56) 3.7 mi east of Forest Route 49, edge of Burnt Lava Flow Virgin Area at Yellow Jacket Ice Cave. 1755 Comment
  CAS-BOT-BC312950  Hieracium triste Wm. Bridge Cooke 1938-8-18 11500 Siskiyou Mount Shasta. Horse Camp Slopes Comment
  CAS-BOT-BC312999  Hieracium triste G. J. Muth 1969-8-8 1291 Siskiyou Gap Meadow, Boulder Peak Ridge 2286 Comment
  POM213961  Holcus lanatus G. C. Kimber 1934-6-9 51 Siskiyou Ney Creek, 1/8 mile above junction with Sacramento River. 732 Comment
  HSC36734  Holodiscus discolor Brent Whitely 1975-7-1 115 Siskiyou 671 Comment
  HSC40468  Holodiscus discolor J. O. Sawyer 1973-7-18 2554 Siskiyou 1524 Comment
  JEPS82498  Holodiscus discolor Gilbert Muth 1965-8-3 148 Siskiyou Down Creek from Marble Valley; Marble Mt. Wilderness Area 1767 Comment
  SJSU6505  Holodiscus discolor R. W. Trivelpiece 1972-6-18 123 Siskiyou Douglas Cr near Klamath R c. 9 mi SW of Happy Camp 792 Comment
  UC1409360  Holodiscus discolor Frederick W. Oettinger 1969-8-19 1448 Siskiyou Ridge from Arrow Peak to King David Peak (High Lake Basins in vicinity of English Peak, Salmon Mountains, Marble Mountain Wilderness Area); Salmon Mountains, Marble Mountain Wilderness Area 1950 Comment
  CAS-BOT-BC150131  Holodiscus microphyllus var. glabrescens A. A. Heller 1914-8-28 11730 Siskiyou East side of Mt. Eddy 2499 Comment
  CAS-BOT-BC289279  Hordeum brachyantherum subsp. brachyantherum Elmer I. Applegate 1923-8-17 3834 Siskiyou Medicine Lake 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
  UCD85592  Hordeum depressum A. A. Beetle; G. L. Stebbins Jr. 1942-5-31 3423 Siskiyou Shasta Valley. 6 miles N of Gazelle. Comment
  CAS-BOT-BC284769  Hordeum murinum subsp. glaucum Dorothy Parker 1949-5-3 77 Siskiyou In McConahue Gulch, Scott Valley 914 Comment
  UC555626  Horkelia daucifolia H. L. Mason 1931-5-9 5870 Siskiyou 3 mi s Weed Comment
  SBBG26776  Horkelia daucifolia L. Constance, R. C. Rollins 1942-5-13 Siskiyou Scott River, 2 mi S of Scott Bar 548 Comment
  UCSB12365  Horkelia daucifolia Dearing, Hugh; Dearing, Margaret 1939-6-3 Siskiyou Near Scotts Bar Comment
  JEPS25597  Horkelia fusca subsp. parviflora Rimo Bacigalupi 1959-7-2 7229 Siskiyou South Fork of the Salmon River, Big Flat Campground 1508 Comment
  JEPS80666  Horkelia fusca subsp. parviflora W. B. & V. G. Cooke 1970-7-22 42689 Siskiyou 0.5 mi above US-97 (Andesite Road); Mt. Shasta Comment
  JEPS95048  Horkelia fusca subsp. parviflora Vernon Oswald and Lowell Ahart 1997-7-28 8800 .1 Siskiyou Pumice Stone Well 0.2 mi. s. of Medicine Lake Rd. (on Forest Rte. 15, at edge of meadow); Pumice Stone Well 1905 Comment
  UC1586969  Horkelia fusca subsp. parviflora Juha Pykala and D. H. Norris 1987-7-7 2394 Siskiyou 3 rd mi from junction of rds 15 and 49 (towards Medicine Lake, Camp Two Road) Comment
  JEPS113065  Horkelia fusca var. brownii Roy Buck 1987-6-27 732 Siskiyou along USFS Road 41N36 ca 20 mi NE of Bartle Comment
  SJSU6484  Horkelia fusca var. parviflora R. W. Trivelpiece 1972-6-9 98 Siskiyou c. 4 mi E of Grass L 1524 Comment
  CAS-BOT-BC536228  Horkelia fusca var. parviflora Annie M. Alexander; Louise Kellogg 1911-7-16 251 Siskiyou South Fork Salmon River 1524 Comment
  CAS-BOT-BC539432  Horkelia tridentata var. tridentata Alice Eastwood 1922-10-18 11518 Siskiyou Shasta Springs Comment
  CAS-BOT-BC201126  Hosackia crassifolia Doris K. Kildale 1928-7-2 5390 Siskiyou Salmon Summit via Horn Creek trail 1981 Comment
  CAS-BOT-BC201133  Hosackia crassifolia Doris K. Kildale 1929-7-20 8573 Siskiyou South Fork Indian Creek near Gilmore's 457 Comment
  CAS-BOT-BC312577  Hulsea nana Peter H. Raven 1956-9-4 10425 Siskiyou Summit of Mt. Eddy 2758 Comment
  CHSC98745  Hulsea nana L. P. Janeway; B. Castro 2007-7-29 9137 Siskiyou High Cascade Range. Medicine Lake Highlands; Pumice Stone Mountain, very steep north-facing slope near the top of the northwest-trending shoulder. 2067 Comment
  JEPS81069  Hulsea nana J. P. Smith, L. Barker, J. Cole, and J. Whipple 1976-7-28 Siskiyou summit Mt. Eddy (Siskiyou-Trinity County line) 2751 Comment
  UC163836  Hydrophyllum fendleri var. albifrons Geo. D. Butler 1910-7-9 1720 Siskiyou Marble Mountain 1676 Comment
  HSC22098  Hydrophyllum occidentale J. O. Sawyer 1969-7-16 1139 Siskiyou SW facing upper slope SW of Waterdog Lake. 2104 Comment
  HSC99203  Hydrophyllum occidentale Al Hobart 1967-8-8 Siskiyou El Capitan Comment
  UC1426022  Hydrophyllum occidentale Frederick W. Oettinger 1969-7-9 945 Siskiyou slope due nw Upper English Lake (vicinity of English Peak, w Siskiyou County); Salmon Mountains, Marble Mountain Wilderness Area 1798 Comment
  HSC62600  Hydrophyllum occidentale Al Hobart 1968-6-26 Siskiyou Youngs Valley Comment
  RSA114967  Hymenoxys lemmonii E. K. Balls, Lenz 1956-6-18 21723 Siskiyou 5.7 miles SE of Gazelle, Hwy 99, Yreka to Dunsmuir. 884 Comment
  HSC41039  Hypericum anagalloides J. O. Sawyer 1969-8-4 1911 Siskiyou N of High Lake 2043 Comment
  HSC99604  Hypericum anagalloides Gail Newton 1980-6-20 443 Siskiyou Near Bald Mtn. 1097 Comment
  UC164087  Hypericum anagalloides Geo. D. Butler 1910-7-12 1765 Siskiyou Shackleford Creek 1219 Comment
  POM86613  Hypericum androsaemum Geo. D. Butler 1910-7-12 1765 Siskiyou Shackleford Creek. 1220 Comment
  UCD110385  Hypericum perforatum subsp. perforatum Daryl Koutnik; Martha Townsend 1979-9-10 s.n. Siskiyou Southwest of Etna, near Etna Bridge. 1066 Comment
  CAS-BOT-BC401468  Hypericum scouleri Laura M. Lathrop 1903-7-17 s.n. Siskiyou Sisson Comment
  JEPS104998 Image available Iliamna bakeri Dean W. Taylor 1996-7-25 15834 Siskiyou Scott Mtns., on watershed divide between Crater Creek drainage and Mountain House Creek drainage (about 15 air miles west of Weed); Klamath National Forest. 1645 Comment
  CDA35743  Iliamna bakeri D. H. Shaw 1971-8-4 Siskiyou Spring Hill, Mt. Shasta. 0 Comment
  RSA463113  Ipomopsis aggregata S. Morgan 1987-7-28 s.n. Siskiyou McGinnis Springs, 5 miles NW of McCloud, Shasta- Trinity National Forest, S of Mt. Shasta. 1768 Comment
  UC23329  Ipomopsis aggregata C. B. Bradley 1879-1 Siskiyou Siskiyou Comment
  HSC62453  Ipomopsis aggregata subsp. aggregata Ruby Van Deventer 1939-7-18 Siskiyou Twin Valley Comment
  CHSC1231  Ipomopsis aggregata subsp. formosissima V. Holt 1932-6-21 Siskiyou Black Butte meadow. 1158 Comment
  RSA211092  Ipomopsis aggregata subsp. formosissima William J. Ferlatte 1966-6-22 86 Siskiyou Along the South Fork of the Salmon River between the campgrond and Carter's; Trinity Alps. 1524 Comment
  UC722674  Ipomopsis congesta C. L. Hitchcock and J. S. Martin 1939-7-9 5306 Siskiyou n side Black Mtn (near Marble Mt. (King's Castle)) 2072 Comment
  SEINET4170699  Iris hartwegii C. L. Hitchcock, J. S. Martin 1939-7-7 5270 Siskiyou Sanger Peak Trail , ca. 13 miles south of Takilma , Oregon 1067 Comment
  CHSC71335  Iris missouriensis Vernon H. Oswald; Lowell Ahart 1998-6-11 9213 Siskiyou Old State Hwy. 0.5 miwest of Bray, ca. 10 air mi east of Grass Lake located on Hwy. 97, ca. we air mi northeast of Weed. 1414 Comment
  RSA181800  Iris missouriensis H. N. Metcalf, Jack C. Wilson 1965-7-3 65 -27 Siskiyou Gazelle, 14 miles east in the drainage of the Scott River 1707 Comment
  JEPS93197  Iris tenuissima Carol A. Wilson 1992-5-19 92 -25 Siskiyou 4.4 mi s of Happy Camp (on Highway 96); Highway 96 518 Comment
  RSA136346  Iris tenuissima Lee W. Lenz 1953-5-17 18313 Siskiyou Salmon River, 1 1/4 mi. above junction with Klamath River 177 Comment
  UC1094383  Isatis tinctoria R. C. Bacigalupi with S. Galen Smith 1957-6-27 5973 Siskiyou Grass Lake, along Highway 97 Grass Lake 1524 Comment
  UCR47638  Isatis tinctoria Don Pendleton 1986-6-26 s.n. Siskiyou N of Yreka along Interstate 5 Comment
  UC10592  Isatis tinctoria J. H. Gilbert June 1899 Siskiyou Scott Valley Comment
  CAS-BOT-BC109977  Juncus Melissa A. Berry 1957-7-6 s.n. Siskiyou Heather Lake near Salmon Mountain. 1981 Comment
  JEPS82414  Juncus Al Hobart 1970-8-6 1079 Siskiyou Preston Peak 1828 Comment
  CHSC106109  Juncus balticus subsp. ater Lowell Ahart; John Dittes 2010-7-30 16950 Siskiyou On the south side of the Shasta River, about 80 yards west of the pipe across the Shasta River, about 200 yards east of the East Louie Road Bridge, Shasta Big Springs Ranch, 1.6 miles (air) southwest of Big Springs Lake, 4.6 miles (air) northwest of Dwinnel Dam, 5.7 miles (air) southeast of Grenada. 716 Comment
  HSC85851  Juncus balticus subsp. ater L. P. Janeway 1983-8-28 639 Siskiyou Poker Flat 1529 Comment
  RSA238919  Juncus covillei Frederick W. Oettinger 1969-8-18 1419 Siskiyou NW side of Horse Range Lake. Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1822 Comment
  UC1265376  Juncus ensifolius F. W. Oettinger 1969-8-12 1335 Siskiyou near The Cedars (w Siskiyou County); Salmon Mountains, North Fork of Salmon River 914 Comment
  JEPS81650  Juncus hemiendytus var. hemiendytus L. R. Heckard with L. Constance and R. Ornduff 1969-6-24 2308 Siskiyou ca. 3 mi. n.e. Little Deer Mt.-The Whaleback Quad. (along rd. to Hoffman Mill, 1.2 mi from U.S. Hwy 97) 1554 Comment
  HSC58879  Juncus mertensianus Marvin Butler 1971-8-31 311 Siskiyou Near Bell Echo Camp, close to the town of Cave Junction 1433 Comment
  HSC76867  Juncus mertensianus K. T. Stillman 1976-9-9 473 Siskiyou Marble Mountain Wilderness Area, N and NE side of Black Mtn. Comment
  UC1265335  Juncus mertensianus Frederick W. Oettinger 1968-9-20 817 Siskiyou just s of Horse Range Lake (vicinity of English Peak, w Siskiyou County); Salmon Mountains, Marble Mountain Wilderness Area 1844 Comment
  CHSC70073  Juncus nevadensis Jennifer Whipple 1976-7-24 1537 Siskiyou Mount Eddy, Klamath Mountains. Dale Creek drainage on the north face of Mount Eddy. 2255 Comment
  UC1108383  Juncus nevadensis Philip A. Munz 1960-8-22 24175 Siskiyou Panther Meadows Mt. Shasta 2316 Comment
  UC1265301  Juncus nevadensis Frederick W. Oettinger 1969-7-31 1115 Siskiyou due w English Lake camp (Sundew Bog, vicinity of English Peak, w Siskiyou County); Salmon Mountains, Marble Mountain Wilderness Area, Sundew Bo 1828 Comment
  JEPS121619  Juncus nevadensis var. nevadensis Jennifer Buck, Deborah Stout 2011-8-24 Siskiyou Middle Fork Sacramento River headwaters, east slope of the Eddys, near Toad Lake. Sloping wet meadow in lodgepole pine forest on ultramafic soil. E aspect. Mount Eddy quadrangle. TL05A Comment
  HSC30679  Juncus nevadensis var. nevadensis Frederick W. Oettinger 1968-8-2 351 Siskiyou Marble Mtn. Wilderness Area, slope just SW of Diamond Lake 2073 Comment
  RSA233691  Juncus orthophyllus Robert F. Thorne, Frederick W. Oettinger 1969-8-10 38952 Siskiyou Mt. Shasta National Forest: S slope of Mt. Shasta, Panther Creek Meadows 2195 Comment
  JEPS84175  Juncus tenuis L. R. Heckard with S. D'Alcamo, J. Hickman 1986-7-16 6380 Siskiyou ca 7 mi nne Seiad Valley (w of Cook and Greene Pass, ca 1.5 mi e of Red Butte summit) 1900 Comment
  POM256459  Juncus tenuis Edward Lee 1934-8-11 1028 Siskiyou Walker Creek canyon, a tributary of the Klamath River (east end of Seiad Valley). 610 Comment
  UC1408804 Image available Juniperus communis Robert F. Thorne and Fred Oettinger 1969-8-10 39011 Siskiyou s slope of Mt. Shasta Mt. Shasta National Forest, Mt. Shasta (on dry rocky volcanic ridges) 2438 Comment
  CAS-BOT-BC81221  Juniperus occidentalis Copeland 1903-7-4 3545 Siskiyou Klamatha Comment
  CAS-BOT-BC81224  Juniperus occidentalis Alice Eastwood 1912-7-20 1264 Siskiyou Hornbrook Comment
  UCD133042  Juniperus occidentalis Beecher Crampton 1960-2-1 5475 Siskiyou 5 miles SW of Macdoel. Along State Hwy. 97. Comment
  RSA120815  Juniperus occidentalis var. occidentalis G. D. Barbe 1955-6-28 19 Siskiyou 0.6 mile north of Callahan, 50 yds from the road. 1037 Comment
  RSA6894  Juniperus occidentalis var. occidentalis Elmer I. Applegate 1932-4-15 7060 Siskiyou Scott Valley, east side Comment
  RSA305804  Keckiella corymbosa James R. Shevock 1972-7-26 2226 Siskiyou Along the Klamath River. 518 Comment
  OBI55447  Keckiella lemmonii David J. Keil 1992-7-20 23505 Siskiyou Klamath Natl Forest, SW of Fort Jones. Along Forest Rd 46N64, 2.8 mi W of Scott River Rd Comment
  LA208509  Kelloggia galioides Carl B. Wolf; 1934-7-6 Siskiyou Mount Shasta, SW slope of Mt. Shasta. 4 mi from Mt. Shasta City on Wagon Camp Road 1219 Comment
  UC1177930  Kelloggia galioides Francia Chisaki and Gene B. Newcomb 1958-6-22 1153 Siskiyou base of Black Butte (Highway 99, e of the road) Comment
  UC397360  Kelloggia galioides Katharine Brandegee 1895-8-11 Siskiyou Mt. Shasta Comment
  UCD121988  Kelloggia galioides J. M. Tucker 1950-7-24 1948 Siskiyou Highway 89, 7.5 miles east of McCloud. Comment
  CHSC88409  Koeleria macrantha Jenny Marr 1993-7-1 168 Siskiyou Butte Valley Wildlife Area, +/- 7 air miles NW of the town of MacDoel. Meadow NW of Meiss Lake. 1349 Comment
  UC1037107  Koeleria macrantha Leo Whitney 1934-6-29 2293 Siskiyou Tennant 1524 Comment
  UC1132158  Koeleria macrantha H. S. Yates 1936-6-21 5818 Siskiyou 1 mi se Gazelle; Etna Quad. Comment
  UCD85701  Koeleria macrantha A. A. Beetle; G . L. Stebbins Jr. 1942-5-31 3424 Siskiyou 3 miles south of Yreka. Comment
  CAS-BOT-BC340365  Kyhosia bolanderi Doris K. Kildale 1928-8-18 6488 Siskiyou Head of north fork of Salmon River at Finley's Upper Camp Comment
  CAS-BOT-BC340377  Kyhosia bolanderi John Thomas Howell 1939-8-9 15207 Siskiyou Sky High Valley, Marble Mts. 1828 Comment
  CAS-BOT-BC341698  Lagophylla ramosissima D. E. Breedlove 1962-6-11 3335 Siskiyou At confluence of Scott and Klamath Rivers 472 Comment
  RSA17698  Lappula occidentalis var. occidentalis Elmer I. Applegate 1935-6-5 9307 Siskiyou Capt. Jack s Stronghold, Lava Beds National Monument Comment
  CAS-BOT-BC204928  Lathyrus Clarence R. Quick 1959-6-19 59 -07 Siskiyou 3 miles south of Four Corners on ridge south-east of Seiad Valley Comment
  CAS-BOT-BC204932  Lathyrus A. M. Vollmer; L. Beane 1951-6-2 57 Siskiyou Road between Streamline Lodge and Deer Camp, north of Klamath River Highway Comment
  JEPS64870  Lathyrus Ruby Van Deventer 1937-7-4 302 Siskiyou road to Poker Flat, near state line 1066 Comment
  UCD106398  Lathyrus nevadensis var. nevadensis Freed W. Hoffman 1948-7-9 2567 Siskiyou 6.5 miles north of West Branch Public Camp, Waldo-Happy Camp Road. Comment
  CAS-BOT-BC205047  Lathyrus palustris Gilbert Muth 1966-7-14 384 Siskiyou Marble Valley, Marble Mts. 1798 Comment
  CAS-BOT-BC88862  Lepidium campestre Dorothy Parker 1946-6-6 s.n. Siskiyou Plowman's Valley. 1188 Comment
  UCD115479  Lepidium densiflorum R. Tofsrud Date unknown s.n. Siskiyou location unknown. Comment
  UC166134  Lepidium densiflorum var. macrocarpum Geo. D. Butler 1910-6-27 1612 Siskiyou Yreka Creek Comment
  CAS-BOT-BC89838  Lepidium nitidum L. E. Smith 1913-4-2 s.n. Siskiyou Hornbrook Road to Klamathon. Comment
  RSA715768  Lepidium perfoliatum L. Ahart, John Dittes 2005-6-9 11998 Siskiyou 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 2.5 miles (air) ESE of Grenada. 775 Comment
  CDA36794  Lepidium perfoliatum D. B. Joley 1976-6-24 2 Siskiyou Mt. Shasta City. 0 Comment
  HSC64815  Lepidium virginicum J. P. Smith, Steve Selva 1970-6-15 3924 Siskiyou 10 mi. NW of Forks of Salmon Comment
  POM43381  Leptosiphon bolanderi Geo D. Butler 1910-4-14 1172 Siskiyou Dry hills, Yreka. Comment
  JEPS57186  Lesquerella occidentalis subsp. occidentalis L. R. Heckard 1967-8-13 1688 Siskiyou near the summit Mt. Eddy (s-facing slope); near summit of Mt. Eddy 2712 Comment
  UC722121  Lesquerella occidentalis subsp. occidentalis C. L. Hitchcock and J. S. Martin 1939-7-9 5305 Siskiyou n side Black Mt. (near Marble Mt. (King's Castle)); n side of Black Mt. near Marble Mt. (King's Castle) 2072 Comment
  UC195376  Lessingia nemaclada A. A. Heller 1916-7-23 12494 Siskiyou at Dunsmuir Dunsmuir 640 Comment
  UC1212154  Lessingia nemaclada Francia Chisaki and Helen K. Sharsmith 1959-8-20 4738 Siskiyou ca 4 mi w Callahan (on Wildcat Creek road); Inner North Coast Ranges 1066 Comment
  CAS-BOT-BC228829  Leucothoe davisiae Peter W. Fritsch; James R. Shevock; Lu Lu 2012-6-19 1928 Siskiyou The Eddys Region, Shasta-Trinity National Forest. Ca. 100 m S of Cedar Lake along road to Cliff Lake, headwaters of the Sacramento River 1744 Comment
  CAS-BOT-BC58265  Leucothoe davisiae Walter Knight; Irja Knight 1983-9-16 4934 Siskiyou Outflow at Cliff lake, upper Sacramento River watershed. 1767 Comment
  HSC755  Leucothoe davisiae William J. Ferlatte 1967-7-26 739 Siskiyou Caribou Basin 1982 Comment
  RSA237458  Lewisia cotyledon Frederick W. Oettinger 1967-7-20 173 Siskiyou SSE of Diamond Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2073 Comment
  CAS-BOT-BC444046  Lewisia cotyledon var. cotyledon Gilbert Muth 1965-8-5 306 Siskiyou North slope of Marble Rim, near Blk. Mt. Comment
  JEPS25554  Lewisia cotyledon var. howellii Maxine Gibeson 1961-5-13 Siskiyou on large cliff...across Klamath River from Calif. Highway no. 96 (1 mi e of Walker Bridge, almost directly across from Oak Knoll Ranger Sta., 9 1/2 mi w of commun. of Klamath River) 524 Comment
  CAS-BOT-BC444083  Lewisia leeana Doris K. Kildale 1928-7-4 5525 Siskiyou Summit of divide between Salmon River & Scott Valley Comment
  UC1005598  Lewisia nevadensis Frank W. Gould 1940-5-15 1233 Siskiyou Bull Meadows Goosenet Mountain 152 Comment
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Jul 6 2007
  RSA50194  Lewisia rediviva E. K. Balls 1949-7-8 13910 Siskiyou Trail from Scott Mountain Camp to Carmen Lake; Scott Mountain. 1753 Comment
  UCD64279  Leymus cinereus August L. Hormay 1932-7-15 Siskiyou Weed Valley. Comment
  POM215709  Leymus triticoides L. C. Wheeler 1934-9-22 3293 Siskiyou Walker, Klamath River; Siskiyou Mts. 518 Comment
  POM229945  Leymus triticoides L. C. Wheeler 1935-6-2 3543 Siskiyou Shasta River; Siskiyou Mts. 732 Comment
  UCD65601  Leymus triticoides Mr. Roseman 1913-1 12 Siskiyou Butte Valley. Comment
  UCD65622  Leymus triticoides Geo. D. Butler 1908-7-3 472 Siskiyou Dry banks near Yreka. Comment
  RSA453855  Ligusticum grayi L. C. Wheeler 1934-8-9 3090 Siskiyou Siskiyou Mountains: Head of Jaynes Canyon. 1981 Comment
  HSC22273  Lilium kelleyanum J. O. Sawyer 1969-8-4 1899 Siskiyou Above S Sugar Lake 2043 Comment
  RSA238844  Lilium kelleyanum Frederick W. Oettinger 1968-8-6 420 Siskiyou At the southeast corner of Hancock Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area 1921 Comment
  CAS-BOT-BC509363  Lilium kelleyanum Albert M. Vollmer; Ira L. Wiggins 1940-7-5 7 Siskiyou On bottom of canyon and along banks of Cow Creek about 10 miles NE of Sawyer's Bar, on road to Etna. 975 Comment
  RSA120208  Lilium pardalinum S. S. Tillett 1956-7-11 689 Siskiyou North side Scott Mountain divide near campground; Siskiyou-Trinity county line 1616 Comment
  JEPS84242  Lilium pardalinum subsp. wigginsii L. R. Heckard with S. D'Alcamo, J. Hickman, S. Winchester 1986-7-16 6337 Siskiyou 7 mi nne of Seiad Valley (w of Cook and Green Pass, 1/2 air mi from Red Butte) 1730 Comment
  SEINET3818100  Limnorchis leucostachys A. A. Heller 1915-1 Siskiyou Comment
  UC52821  Linanthus ciliatus W. A. Setchell, C. C. Dobie 1902-7-13 Siskiyou Sisson Comment
  CAS-BOT-BC94932  Linanthus nuttallii R. C. Wenk 2006-7-23 529 Siskiyou Coffee Creek Road, Big Flat Meadow, along Yellow Rose Mine trail to Dorleska Mine 1975 Comment
  CAS-BOT-BC416402  Linnaea borealis subsp. longiflora W. B. C. 1940-8-8 15421 Siskiyou Mount Shasta, along Squaw Valley Creek below the McCloud intake 1371 Comment
  HSC586  Linum lewisii William J. Ferlatte 1967-7-8 668 Siskiyou Near Le Roy Mine 2104 Comment
  HSC16644  Listera convallarioides Dorothy Parker 1949-6-26 Siskiyou Salmon Mountains Range, Etna Creek 1177 Comment
  HSC67670  Listera convallarioides John S. Palmer 1980-7-24 591 Siskiyou Elk Hole 1503 Comment
  UC336569  Listera convallarioides unknown July 1878 Siskiyou near Mt. Shasta 2133 Comment
  POM267232  Lithocarpus densiflorus var. echinoides Marion Ownbey, Fred G. Meyer 1940-7-3 2163 Siskiyou 7 mi. northwest of McCloud. Comment
  HSC91189  Lithophragma glabrum Jennifer Whipple 1978-6-5 2349 Siskiyou Pass between Eddy Creek and Deadfall Creek drainages 2073 Comment
  CAS-BOT-BC435476  Lithophragma glabrum L. E. Smith 1913-4-2 s.n. Siskiyou Hornbrook, road to Klamathon [Klamath] Comment
  CAS-BOT-BC435631  Lithophragma heterophyllum J. H. Thomas 1954-5-13 4154 Siskiyou Salmon Mountains, Klamath National Forest. Near South Fork of Salmon River, 5 to 9 miles southeast of Cecilville. Along Rush Creek. 1127 Comment
  SBBG30540  Lithophragma parviflorum D. Myrick 1968-6-25 2010 Siskiyou Mountain Meadow Ranch, Big Flat, head of Coffee Crk; Trinity Alps 1524 Comment
  JEPS94268  Lithophragma tenellum Vernon H. Oswald and Lowell Ahart 1998-6-11 9209 Siskiyou 9 air mi e of Grass Lake (22 air mi ne of Weed, Dry Lake on s side of Tennant Road); Dry Lake, Tennant Road 1402 Comment
  CAS-BOT-BC317335  Lithospermum californicum Lincoln Constance; Reed C. Rollins 1942-5-12 2899 Siskiyou Klamath River 12 miles S of Happy Camp 304 Comment
  JEPS73750  Lolium multiflorum Geo. D. Butler 1908-6-25 482 Siskiyou Butler's Ranch along creek near Yreka; Butler's Ranch Comment
  JEPS107298  Lolium perenne Lowell Ahart, John Dittes 2005-6-10 12064 Siskiyou South edge of pasture, east of a poor dirt road, about 80 yards northeast of the pump house along the Shasta River, about 1.9 miles (air) south of Highway 99/97 Cutoff, about 6 miles (air) east-southeast of Grenada 776 Comment
  UC1246759  Lomatium californicum Howard Scott Gentry 1962-6-7 19753 Siskiyou near Klamath R. along Hwy. 99 609 Comment
  HSC82556  Lomatium engelmannii Thomas W. Nelson, Jane P. Nelson 1979-5-26 4712 Siskiyou Along Hwy. 3, N of Scott Mtn. Summit, at junction with FS Rd. 40N03 1524 Comment
  HSC76706  Lomatium macrocarpum K. T. Stillman 1976-7-14 225 Siskiyou Marble Mtn. Wilderness Area, Kings Castle 2073 Comment
  RSA47656  Lomatium nevadense Roxana S. Ferris, Laura Lorraine 1948-6-16 11842 Siskiyou Gazelle Mountain grade, road between Callahan and Gazelle 1500 Comment
  HSC37532  Lomatium nudicaule J. P. Smith 1974-5-26 7568 Siskiyou Along FS Rd. 47N03 1524 Comment
  UC1211914  Lomatium nudicaule Roy L. Taylor 1960-6-12 4439 Siskiyou N of Yreka (above Klamath River; 1 mi W of junction of Klamath River Rd (Hwy 96) and Hwy 99) Comment
  SEINET8756727  Lomatium nudicaule D. Butler 1910-5-19 1363 Siskiyou Yreka Comment
  UC1552567  Lomatium peckianum William J. Ferlatte and Linda M. Barker 1988-5-19 2113 Siskiyou 5 1/2 mi. n.w. Weed (s. end Weed Airport, adjacent to runway taxi-lane, 100 yds. s. of Airport buildings at s. end of Airport Runway) 893 Comment
  CHSC192  Lonicera ciliosa V. Holt 1932-6-26 Siskiyou Mt. Eddy 914 Comment
  RSA455709  Lonicera ciliosa Edwin Kline 1920-6-24 s.n. Siskiyou Siskiyou Mts. Comment
  HSC96884  Lonicera conjugialis Gordon Leppig 1998-7-10 915 Siskiyou Russian Wilderness, Little Duck Lake Fen, cirque W of Little Duck Lake 2200 Comment
  RSA211259  Lonicera conjugialis William J. Ferlatte 1966-7-7 191 Siskiyou Caribou Basin. Broad, open basin with scattered meadows and bare rock surfaces; Trinity Alps. 1982 Comment
  UC1408787  Lonicera conjugialis Frederick W. Oettinger 1968-9-2 658 Siskiyou sw Upper English Lake; Salmon Mountains, Marble Mountain Wilderness Area 1783 Comment
  UC28764  Lonicera conjugialis Edward L. Greene 1870-8-22 1054 Siskiyou Comment
  HSC76875  Lonicera interrupta K. T. Stillman 1976-9-9 466 Siskiyou Marble Mountain Wilderness Area, Marble Valley Guard Station. 1738 Comment
  SEINET3523666 Image available Lotus A. A. Heller 1927-8-2 14439 Siskiyou Shasta Valley Comment
  POM27164  Lotus denticulatus Geo. D. Butler 1910-6-27 1610 Siskiyou Yreka Creek. Comment
  UC585219  Lotus nevadensis var. nevadensis E. B. Babcock, G. L. Stebbins Jr. 1936-6-11 1892 Siskiyou about 2 mi s Yreka 822 Comment
  UC1408890  Lotus purshianus var. purshianus F. W. Oettinger and R. F. Thorne 1969-8-5 1215 Siskiyou Abbott's Upper Cabin, w Siskiyou County Salmon Mountains 1524 Comment
  UC204724  Lotus purshianus var. purshianus A. A. Heller 1914-8-25 11701 Siskiyou near Deetz Station 1158 Comment
  CAS-BOT-BC140247  Luetkea pectinata Louis C. Wheeler 1934-8-9 3089 Siskiyou Klamath National Forest, Jaynes Canyon 1981 Comment
  HSC29397  Luetkea pectinata Frederick W. Oettinger 1967-8-17 273 Siskiyou High Lakes Basins in Marble Mountain Wilderness Area, Crapo Peak Ridge. 2195 Comment
  HSC83924  Luetkea pectinata K. Berg, Stephanie Bennett 1986-8-25 639 Siskiyou Salmon-Trinity Alps Wilderness, headwaters of Little S Fork of Salmon River, above Little S Fork Lake 1982 Comment
  POM210967  Luetkea pectinata Louis C. Wheeler 1934-8-14 3321 Siskiyou 1 mile W White Mt. 1921 Comment
  SEINET11546885 Image available Luetkea pectinata C. L. Hitchcock, J. S. Martin 1939-7-9 5328 Siskiyou 1/2 mile southeast of King's Castle; Marble Mountains 1829 Comment
  UCR52471  Luetkea pectinata K. Berg, Stephanie Bennett 1986-8-25 639 Siskiyou Salmon-Trinity Alps Wilderness, headwaters of Little South Fork of Salmon River; above Little South Fork Lake 2287 Comment
  RSA119499  Lupinus C. P. Smith 1947-5-13 47269 Siskiyou 2.6 miles east of Weed. Highway 97. Comment
  SBBG3501  Lupinus albicaulis H. and M. Dearing 1939-6-30 3763 Siskiyou Callahan-Trinity Alps Rd Comment
  UC157018  Lupinus albicaulis var. shastensis Geo. D. Butler 1908-6-28 369 Siskiyou Upper end Quartz Valley; Upper end of Quartz Valley Comment
  RSA3846  Lupinus albicaulis var. shastensis A. A. Heller 1927-8-1 14436 Siskiyou On the banks of the Sacramento, a short distance above Shasta Springs. Comment
  CAS-BOT-BC195960  Lupinus albifrons var. albifrons Mrs. H. C. Cantelow 1936-5-20 sn. Siskiyou Near Fort Jones Comment
  POM11084  Lupinus albifrons var. eminens Geo. D. Butler 1910-5-2 1268 Siskiyou Around Yreka. Comment
  CAS-BOT-BC196320  Lupinus albifrons var. flumineus K. Morris; LeDoux; Dunn 1973-6-2 336 Siskiyou On Hornbrook to Montague road, about 1 mi SE of Hornbrook Comment
  HSC77060  Lupinus andersonii K. T. Stillman 1976-8-7 191 Siskiyou Marble Mtn. Wilderness Area 1951 Comment
  UC156893  Lupinus arbustus var. arbustus Geo. D. Butler 1909-5-14 705 Siskiyou Klamath Hills Comment
  HSC2247  Lupinus aridus Geo. D. Butler 1910-6-4 1500 Siskiyou Shackleford Creek Comment
  UC909320  Lupinus aridus Dorothy Parker 1948-7-14 Siskiyou 2 mi from Etna ( Scott Valley) 670 Comment
  RSA582458  Lupinus bicolor subsp. microphyllus Louis C. Wheeler 1935-5-18 3499 Siskiyou Siskiyou Mountains; Yreka Creek. 854 Comment
  CAS-BOT-BC215171  Lupinus croceus Roxana S. Ferris; Laura Lorraine 1948-6-12 11810 Siskiyou At Mule Creek crossing of Scott Mountain Road 1524 Comment
  CAS-BOT-BC215181  Lupinus croceus Arthur Menzies 1962-7-21 s.n. Siskiyou Mount Eddy 2529 Comment
  CAS-BOT-BC215195  Lupinus croceus A. A. Heller 1915-7-16 12097 Siskiyou N side of Mount Eddy 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
  UC454943  Lupinus croceus I. J. Condit 1911-7-5 Siskiyou Mt. Bradley near Shasta Retreat Mt. Bradley; Mt. Bradley near Shasta Retreat 1371 Comment
  CAS-BOT-BC215179  Lupinus croceus W. W. Eggleston 1915-8-11 11561 Siskiyou S Fork of Shasta River 1100 Comment
  RSA68872  Lupinus croceus A. E. Culbertson 1943-6-24 84 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
  UC1482884  Lupinus croceus var. pilosellus P. Kenney, Conrad and Dunn 1973-6-4 384 A Siskiyou along road from Cecilville to Callahan 6.4 mi w Callahan; w of Callahan 1737 Comment
  JEPS64895  Lupinus klamathensis Geo. D. Butler 1909-5-8 709 Siskiyou Shasta Valley Comment
  RSA119548  Lupinus klamathensis C. P. Smith 1947-5-13 47279 Siskiyou Weed. Highway 99, south side. Comment
  CHSC25080  Lupinus lapidicola D. Parker 1965-8-15 917 Siskiyou Near Syphon Lake, Salmon Mt. 2164 Comment
  RSA261441  Lupinus latifolius var. latifolius J. M. Tucker 1974-7-28 4325 Siskiyou Adjacent to camp at Haypress Meadows, Marble Mountain Wilderness Area. 1463 Comment
  CAS-BOT-BC7547  Lupinus latifolius var. viridifolius Amos Arthur Heller 1905-6-1 7928 Siskiyou Between Dunsmuir and Upper Soda Spring Comment
  UC144514  Lupinus latifolius var. viridifolius A. A. Heller 1905-6-1 7928 Siskiyou between Dunsmuir and Upper Soda Springs; ; between Dunsmuir and Upper Soda Spring, Siskiyou Co. Comment
  UC146909  Lupinus latifolius var. viridifolius Harley P. Chandler June, 1901 1710 Siskiyou near Marble Mountain (Shackleford Canyon, ridges and meadows); North Coast Ranges, nr Marble Mountain, Shackleford Canyon 1828 Comment
  UC60975  Lupinus latifolius var. viridifolius Geo. B. Grant September 1902 5233 Siskiyou Mount Shasta, Shasta Springs Mount Shasta; , Shasta Springs 609 Comment
  UC157027  Lupinus lepidus var. sellulus Geo. D. Butler 1908-6-28 367 Siskiyou upper end Quartz Valley; upper end of Quartz Valley Comment
  UC865433  Lupinus lepidus var. sellulus A. A. Heller 1916-7-21 12481 Siskiyou near Upton; near Upton 1097 Comment
  RSA413775  Lupinus luteolus Bonnie C. Templeton 1957-6-22 s.n. Siskiyou North of Yreka Comment
  SEINET10488767  Lupinus luteolus Patricia L. Kenney 1973-6-1 Kenney 380 Siskiyou Collected along roadside of i-5, 1.3 mi s of california state line. Comment
  HSC67777  Lupinus lyallii J. O. Sawyer, J. Cole 1980-7-21 3872 Siskiyou Near Haight Mtn. along USFS Rd. running S-SW 1939 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
  SEINET10862660 Image available Lupinus onustus A. Arthur Heller 1905-6-15 Heller 8037 Siskiyou Near Sisson. Comment
  UC922628  Lupinus polyphyllus var. burkei Annie M. Alexander and Louise Kellogg 1948-9-9 5607 Siskiyou Trail to Taylor Lake (meadow); Siskiyou Mountains Comment
  POM24915  Lupinus sellulus subsp. sellulus Geo. D. Butler 1908-8-2 368 Siskiyou Quartz Valley 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
  HSC14882  Lupinus subvexus var. subvexus R. C. Wunner 1965-7-1 323 Siskiyou Lava Beds N.M., Top of Gillem's Bluff 1372 Comment
  SEINET10490259  Lupinus subvexus var. transmontanus David B. Dunn, Patricia L. Kenney; Douglas G. LeDoux 1973-6-1 Dunn 20637 Siskiyou About 1 mi s of hornbrook. Along old hwy, four spp of lupines growing in Proximity. Area under cultivation and pasture. Waste areas by road and along Road cuts. Comment
  HSC42961  Luzula comosa J. O. Sawyer, K. T. Stillman 1976-5-30 2759 Siskiyou Along Specimen Creek. 915 Comment
  UC535929  Luzula comosa var. laxa Elmer I. Applegate 1895-5-28 753 a Siskiyou Sisson, Strawberry Valley Comment
  JEPS96983  Luzula parviflora Dean W. Taylor 1999-8-12 17304 Siskiyou Mill Creek headwaters, Marble Mountains (ca. 4 miles W of Mugginsville, Quartz Valley), creek crossing on logging road 1341 Comment
  RSA0015089  Lythrum californicum Louis C. Wheeler 1934-10-11 3316 Siskiyou Oak Knoll Ranger Station, Klamath River, Siskiyou Mountains. 671 Comment
  UC872891  Lythrum hyssopifolia Louis C. Wheeler 1934-10-11 3316 Siskiyou Siskiyou Mts., Klamath River, Oak Knoll Ranger Station Oak Knoll Ranger Station; Siskiyou Mts., Klamath River, Oak Knoll Ranger Station 670 Comment
  CDA34595  Machaeranthera canescens var. shastensis M. Beyers, G. F. Hrusa 2010-8-18 708 Siskiyou Highway 3; +/- south of Callahan just N of where Pacific Crest Trail intersects highway. 1638 Comment
  CAS-BOT-BC342667  Madia citriodora John Thomas Howell 1934-7-4 12410 Siskiyou Lava flow between Timbered Crater and Little Hot Springs Valley Comment
  JEPS40212  Madia citriodora Geo. D. Butler 1908-5-14 698 Siskiyou Klamath River Comment
  UC165404  Madia citriodora Geo. D. Butler 1909-5-14 698 Siskiyou Klamath River Comment
  UC165405  Madia elegans Geo. D. Butler 1909-8-17 950 Siskiyou along creek near Yreka Comment
  CAS-BOT-BC343995  Madia elegans Louis C. Wheeler 1934-9-18 3280 Siskiyou Klamath River near mouth Beaver Creek, Siskiyou Mts. 548 Comment
  POM56180  Madia elegans subsp. elegans E. B. Copeland 1903-8-13 3820 Siskiyou Sisson. 1067 Comment
  CAS-BOT-BC344547  Madia exigua Louis C. Wheeler 1934-6-2 2607 Siskiyou Oak Knoll Ranger Station, Klamath River, Siskiyou Mts. 670 Comment
  CAS-BOT-BC343440  Madia gracilis Wm. Bridge Cooke 1938-8-5 11440 Siskiyou Mount Shasta. MacBride Springs Comment
  CAS-BOT-BC94820  Madia gracilis R. C. Wenk 2008-7-25 945 Siskiyou Lily Pad Lake, just W of Kangaroo Lake, S of the Gazelle-Callahan Road 1798 Comment
  JEPS40207  Madia gracilis Willis L. Jepson Jul 24 1894-Aug 10 1894 Siskiyou Sims to Sissons; Region of the Upper Sacramento Comment
  POM362186  Madia gracilis subsp. gracilis L. C. Wheeler 1934-9-5 3247 Siskiyou South side Sterling Mountain, Siskiyou Mountains 1982 Comment
  RSA452624  Mahonia nervosa L. C. Wheeler 1934-6-29 2822 Siskiyou Soda Creek. Sterling Mtn. Siskiyou Mtns. 1280 Comment
  HSC44868  Maianthemum racemosum subsp. amplexicaule J. P. Smith 1973-5-5 6445 Siskiyou Trail to the Siskiyou cypress stand, off the Cook and Green Pass Rd. Comment
  UCD78003  Maianthemum stellatum Robert E. Preston 2001-6-30 1664 Siskiyou Klamath National Forest, Hemlock Lake, T42N R1W se 1/4 of se 1/4 Section 14 1889 Comment
  CAS-BOT-BC514186  Maianthemum stellatum Wm. Bridge Cooke 1938-7-1 11148 Siskiyou Mount Shasta, Below Wagon Camp 1706 Comment
  SEINET7881717 Image available Malacothrix floccifera H. L. Mason 1950-1 3355 Siskiyou Scott River, Scott Valley between Fort Jones and Etna 914 Comment
  UC618763  Medicago lupulina W. B. Cooke 1938-7-15 11185 Siskiyou Bear Springs Mount Shasta 1524 Comment
  CAS-BOT-BC271153  Melica Melissa A. Berry 1957-7-8 s.n. Siskiyou South Russian Creek at Power House 822 Comment
  HSC77058  Melica bulbosa K. T. Stillman 1976-8-7 190 Siskiyou Marble Mountain Wilderness Area. 1951 Comment
  RSA403520  Melica bulbosa M. B. Dunkle 1945-1 9319 Siskiyou Klamath National Forest; Marble Mountains, Black Marble ridge [?]. Comment
  UC722541  Melica bulbosa C. L. Hitchcock and J. S. Martin 1939-7-9 5311 Siskiyou between King's Castle and Black Mt. (w side of ridge) 1828 Comment
  CDA32507  Melica californica F. D. Horn 1978-5-8 Siskiyou I-5 at Collier Rest Area, Hornbrook. 0 Comment
  HSC27345  Melica subulata J. P. Smith, J. O. Sawyer, Maralyn O'Meara 1972-7-3 5700 Siskiyou E slope of Kangaroo Mtn. above Toehead Lake. 1890 Comment
  RSA239102  Melica subulata Frederick W. Oettinger 1969-8-16 1394 Siskiyou 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
  UCR143376  Mentha spicata L. C. Wheeler 1934-9-22 3301 Siskiyou Siskiyou Mtns, Walker, Klamath River 518 Comment
  JEPS42800  Mentzelia dispersa T. H. Gilbert Jun 15 1899-Jul 15 1899 Siskiyou Scott River Valley Comment
  RSA15786  Mentzelia laevicaulis Carl B. Wolf 1927-8-26 1009 Siskiyou Klamath River, 5 miles below Hornbrook. Comment
  UCD19280  Mentzelia laevicaulis Julie Knorr 1980-7-30 52 Siskiyou 2 mi. west from Callahan on Callahan-Cecilville rd., rocky serpentine outcrop. 1219 Comment
  CAS-BOT-BC432854  Micranthes tolmiei Lester Rowntree 1939-7-31 s.n. Siskiyou Caribou Lakes Comment
  UC1409493  Microseris laciniata subsp. siskiyouensis Frederick W. Oettinger 1969-7-11 966 Siskiyou English Lake Trail Salmon Mountains, Marble Mountain Wilderness Area (se-facing slope, high lake basins in vicinity of English Peak, w Siskiyou Co.) 1828 Comment
  CAS-BOT-BC349367  Microseris nutans H. A. Thomas; J. H. Thomas 1954-7-25 4526 Siskiyou Salmon - Trinity Mts. Vicinity of Rush Lake and Rush Creek Meadow. About 9 miles E of Cecilville 1981 Comment
  CAS-BOT-BC349375  Microseris nutans Wm. Bridge Cooke 1938-7-1 11140 Siskiyou Mount Shasta. Below Wagon Camp Comment
  RSA68883  Microseris nutans A. E. Culbertson 1943-7-1 73 Siskiyou Castle Lake, in a north facing cirque with an abrupt 1000' backwall; 14 miles S.W. of Mt. Shasta on N. side of a 6600' eastern spur of Trinity Mts.; 2000' above Sacramento R. within 10 air miles of its headwaters to the west 1657 Comment
  POM65022  Microsteris gracilis subsp. gracilis Geo D. Butler 1910-3-28 1148 Siskiyou Yreka. Comment
  SEINET3365879 Image available Mimulus breweri J. M. Tucker 1974-7-28 4315 Siskiyou Marble Mountain Wilderness Area, Haypress Meadows 1463 Comment
  UCD122461  Mimulus breweri John M. Tucker 1974-7-28 4315 Siskiyou Marble Mountain Wilderness Area, Haypress Meadows. 1463 Comment
  HSC40420  Mimulus cardinalis J. O. Sawyer 1973-7-16 2538 Siskiyou Along Wooley Creek at junction with Bridge Creek. 396 Comment
  RSA1921  Mimulus cardinalis Carl B. Wolf 1930-10-23 1757 Siskiyou Along the Klamath River, 2 mi. below Browns Resort. 305 Comment
  POM43116  Mimulus layneae Geo. D. Butler 1910-6-19 1585 Siskiyou Goosenest foothills. 1524 Comment
  POM213937  Mimulus moschatus Unspecified 1934-6-9 s.n. Siskiyou Ney Creek, 1/8 mile from junction with Sacramento River. 732 Comment
  HSC77028  Mimulus nanus var. nanus K. T. Stillman 1976-6-25 49 Siskiyou Marble Mtn. Wilderness Area 1829 Comment
  RSA535449  Mimulus nanus var. nanus David M. Thompson 1988-6-5 933 Siskiyou 10 mi NE of Weed along Hwy 97, NW side of road. 1150 Comment
  UC1409382  Mimulus nanus var. nanus Frederick W. Oettinger 1967-8-5 948 Siskiyou nw Lower English Lake (High Lakes Basin in the vicinity of English Peak); Salmon Mountains, Marble Mountain Wilderness Area 1828 Comment
  POM252820  Mimulus pilosus A. A. Heller 1938-7-13 15267 Siskiyou 1 mile south of Bray. 1402 Comment
  JEPS84009  Mimulus primuloides subsp. linearifolius L. R. Heckard with J. Hickman et al. 1986-7-16 6445 Siskiyou se Red Butte (ca. 5 mi n of town of Seiad Valley); Lily Pad Lake 1770 Comment
  HSC101476  Mimulus primuloides var. linearifolius J. P. Smith, J. O. Sawyer, R. J. Cole 2010-7-11 12991 Siskiyou Along State Route 3 (Scott Mountain Road) southeast of Callahan. 1334 Comment
  POM43846  Mimulus primuloides var. pilosellus Geo. D. Butler 1910-7-9 1699 Siskiyou Shackleford Creek. 1220 Comment
  CAS-BOT-BC388885  Minuartia douglasii John Thomas Howell; T. C. Fuller; G. D. Barbe 1980-4-29 53439 Siskiyou Slope 7 miles east of Callahan on road to Gazelle 1173 Comment
  JEPS90753  Minuartia nuttallii subsp. gracilis Dean William Taylor 1972-7-4 1570 Siskiyou 3 mi w Cook and Green Pass (near Lily Pad Lake) 1981 Comment
  UC135706  Minuartia nuttallii subsp. gregaria Dr. E. B. Copeland 1903-8-18 3907 Siskiyou Mt. Eddy 2133 Comment
  CAS-BOT-BC94471  Minuartia nuttallii subsp. nuttallii R. C. Wenk 2005-7-19 336 Siskiyou Along Pacific Crest Trail, near top of pass below Mt. Eddy 2438 Comment
  CAS-BOT-BC181111  Minuartia nuttallii var. gregaria Ira L. Wiggins 1955-7-29 13584 Siskiyou Summit of ridge above Thompson Creek, trail to Caribou Lake 1999 Comment
  CAS-BOT-BC229609  Mirabilis greenei L. E. Smith 1913-5-29 320 Siskiyou Yreka Comment
  UC30026  Mitella diversifolia Harley P. Chandler June, 1901 1555 Siskiyou near Marble Mountain; North Coast Ranges 1828 Comment
  HSC91200  Mitella pentandra Jennifer Whipple 1977-8-6 2234 Siskiyou Dale Creek drainage on the N face of Mt. Eddy 2195 Comment
  RSA184752  Mitella pentandra Gilbert Muth 1966-7-8 375 Siskiyou Marble Valley Meadow, Marble Mountains. 1793 Comment
  CAS-BOT-BC433075  Mitella trifida John Thomas Howell 1939-8-3 14977 Siskiyou Spirit Lake, Marble Mts. 1828 Comment
  HSC75247  Moehringia macrophylla J. P. Smith 1973-5-5 6412 Siskiyou Along Cook and Green Pass Rd. Comment
  POM101232  Moehringia macrophylla Geo. D. Butler 1910-4-22 1217 Siskiyou Shackleford Creek in wet sand. Comment
  HSC69342  Monardella odoratissima Maralyn A. Renner 1980-8-21 2540 Siskiyou Kidd Creek 2043 Comment
  RSA120862  Monardella odoratissima H. K. Wagnon 1957-8-11 1702 Siskiyou East slope of Mt. Shasta ca. 1 mile west of Military Pass Road, along road to Brewer Creek Comment
  CAS-BOT-BC222174  Monardella odoratissima subsp. pallida C. L. Hitchcock; J. S. Martin 1939-7-6 5213 Siskiyou On Takilma-Happy Camp road 1676 Comment
  SEINET3996791 Image available Monardella odoratissima subsp. pallida C. L. Hitchcock, J. S. Martin 1939-7-6 5213 Siskiyou On Takilma-Happy Camp road 1676 Comment
  SEINET10582081  Monardella odoratissima subsp. pallida A. Graff 1993-7-24 Graff 345 Siskiyou Mt. Shasta National Forest, Mt. Shasta. Memorial Hwy. from the 2nd road to Sand Flats going down the Mt., on both sides of the road. Locally frequent at the edge of mixed conifer forest of Abies magnifica, A. concolor, Pinus ponderosa, Pseudotsuga menziesii, Calocedrus decurrens, with Ceanothus sp., Arctostaphylos uva-ursi and A. sp. Comment
  CAS-BOT-BC26176  Monardella ovata H. E. Brown 1897-6-1 381 Siskiyou near Sisson 1082 Comment
  UCD125198  Monardella purpurea J. M. Tucker; L. K. Mann, Sandra L. Holloway 1963-8-18 3754 Siskiyou Southwestern ridge of Black Mountain (Black Marble Mountain), Marble Mountain Wilderness Area. 2133 Comment
  CDA40783  Monardella sheltonii J. Anslem 1958-7-1 670 -58 Siskiyou Scott s Bar. 0 Comment
  UC456091  Monardella villosa subsp. villosa I. J. Condit 1911-7-13 Siskiyou Along R. R. Dunsmuir Comment
  UC1409435  Monotropa hypopitys Frederick W. Oettinger 1968-8-7 430 Siskiyou trail between Diamond Lake and Hancock Lake (High Lake Basins in vicinity of English Peak, western Siskiyou Co.); Salmon Mountains, Marble Mountain Wilderness Area 2011 Comment
  RSA238375  Monotropa hypopitys Frederick W. Oettinger 1968-8-6 419 Siskiyou Along old Hancock Lake trail just before one descends into a clear view of the lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. Comment
  UC1475700  Monotropa hypopitys Clifton and Griswold 1979-6-28 6152 Siskiyou near Bittenbender Creek (close to town of Seiad Valley); Seiad Valley Quadrangle 903 Comment
  CAS-BOT-BC444634  Montia chamissoi James P. Smith, Jr. 1974-5-25 7469 Siskiyou Along Road 8, 4.7 miles west of its junction with State Route 3. 1158 Comment
  HSC64305  Montia chamissoi J. P. Smith, Steve Selva 1970-6-16 4035 Siskiyou 4 mi. from Hwy. 3 on Rd. 8 to Sugar Creek. 1159 Comment
  NY342247  Montia obtusata A. A. Heller 1905-6-1 7945 Siskiyou Between Upper Soda Spring and Shasta Retreat Comment
  HSC29447  Montia parvifolia Frederick W. Oettinger 1969-7-13 1004 Siskiyou Marble Mtn. Wilderness Area, N of Upper English Lake 1951 Comment
  UC454265  Montia parvifolia I. J. Condit 1911-7-13 Siskiyou Shasta Retreat, Cal. Comment
  HSC100201  Morus alba J. P. Smith, , J. O. Sawyer, & R. J. Cole 2011-5-22 13170 Siskiyou Klamath National Forest, East Fork Campground. 735 Comment
  HSC69110  Muhlenbergia filiformis Maralyn A. Renner 1980-8-6 2305 Siskiyou Cracker Meadow 1555 Comment
  UC1625408  Muhlenbergia filiformis F. W. Oettinger 1968-8-22 592 Siskiyou on ridge between Diamond Lake and English Peak; Salmon Mountains 2194 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
  CDA34725  Myosotis laxa L. Ahart, John Dittes 2010-7-3 16944 Siskiyou About 30 yards south the Shasta River, about 80 yards west of the pipe across the Shasta River, about 200 yards east of the East Louie Road Bridge, Shasta Big Springs Ranch, 1.6 miles (air) southwest of Big Springs Lake, 4.6 miles (air) northwest of Dwinnel Dam, 5.7 miles (air) southeast of Grenada. Comment
  JEPS32025  Nama densa W. B. and V. G. Cooke 1963-7-10 34266 Siskiyou in Bolam logging Road , Bolam logging Road (n side Mt. Shasta) 1828 Comment
  UC126064  Nama densa var. parviflora Katharine Brandegee July 1887 Siskiyou Edgewood Comment
  RSA79002  Nama lobbii E. K. Balls, P. C. Everett 1952-10-13 18190 Siskiyou 10.2 miles northeast of town of Mt. Shasta, on John Everitt Memorial Highway to Mt. Shasta. 1829 Comment
  UC455937  Nama lobbii I. J. Condit 1911-7-22 Siskiyou on Shasta Trail Sisson (Sisson) Comment
  HSC82353  Narthecium californicum Thomas W. Nelson, Jane P. Nelson, J. P. Smith 1978-7-24 4524 Siskiyou Siskiyou-Trinity County line, head of Scott Mtn. Creek, S of Forest Service campground 1646 Comment
  CAS-BOT-BC515775  Narthecium californicum Dorothy Parker 1959-7-20 735 Siskiyou Below Rock Fence Lake 1828 Comment
  CAS-BOT-BC516026  Narthecium californicum W. R. Dudley 1905-8-4 s.n. Siskiyou Meadow foot of Mount Eddy Comment
  RSA760958  Narthecium californicum Robert F. Thorne, Frederick W. Oettinger 1969-8-4 63388 Siskiyou Klamath National Forest, Salmon Mountains, Marble Mountain Wilderness Area, high lake basins in the vicinity of English Peak 1890 Comment
  CAS-BOT-BC60324  Nasturtium officinale L. B. Kildale 1930-5-31 9811 Siskiyou Island in Klamath River near Hornbrook. 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
  JEPS101548  Nemophila parviflora var. austiniae Dean W. Taylor 1999-7-18 17275 Siskiyou headwaters of South Fork Hungry Creek (ca. 6 air miles southwest from Hilt) 1432 Comment
  POM65375  Nemophila parviflora var. austiniae H. P. Chandler 1901-06 1649 Siskiyou Marble Mountains. 2287 Comment
  HSC39738  Nemophila pedunculata J. O. Sawyer 1970-4-3 2097 Siskiyou Along Sugar Creek 915 Comment
  UC52235  Nemophila pedunculata H. M. Hall and E. B. Babcock 1903-6-18 4121 Siskiyou Bartles Station , Bartles Station (McCloud River) 1219 Comment
  JEPS87826  Nepeta cataria Vernon H. Oswald and Lowell Ahart 1994-8-1 6445 Siskiyou near Weed (just s of Stewart Springs Road, Old Hwy 99); Old Hwy 99 923 Comment
  HSC67615  Nicotiana attenuata J. P. Smith, Steve Selva 1970-8-8 4574 Siskiyou Lava Beds National Monument Comment
  JEPS81665  Nicotiana attenuata L. R. Heckard with L. Constance and R. Ornduff 1969-6-24 2293 Siskiyou 0.2 mi n U.S. Highway 97 junction with Yreka road (along U.S. Highway 97, n of Mt Shasta) Comment
  RSA478854  Nitrophila occidentalis L. C. Wheeler 1934-10-21 3341 Siskiyou Shasta Valley 8 miles NE of Gazelle. 869 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
  CAS-BOT-BC60569  Noccaea fendleri subsp. glauca Alice Eastwood 1921-7-24 10788 Siskiyou Castle Lake. Comment
  CAS-BOT-BC60588  Noccaea fendleri subsp. glauca A. M. Vollmer 1951-5-31 23 Siskiyou Scott Mountain. Comment
  HSC60774  Noccaea fendleri subsp. glauca Ruby Van Deventer 1960-7-7 Siskiyou Bell Echo Camp in Youngs Valley Comment
  UC971909  Nothochelone nemorosa Herbert L. Mason 1950-7-16 14062 Siskiyou road from Happy Camp (California) to Waldo (Oregon) Happy Camp Comment
  RSA0013797  Nuphar lutea subsp. polysepala Frederick W. Oettinger 1968-8-12 488 Siskiyou Pond due W of the W cove of Hancock Lake. Salmon Mountains. High Lake Basins in the vicinity of English Peak, Marble Mountain Wilderness Area. 1936 Comment
  HSC29349  Nuphar polysepala Frederick W. Oettinger, R. F. Thorne 1969-8-7 1273 Siskiyou Marble Mtns. Wilderness Area, E side of English Lake 1753 Comment
  CAS-BOT-BC140451  Oemleria cerasiformis Lewis S. Rose 1945-6-18 45134 Siskiyou Horse Creek & Klamath River 502 Comment
  CHSC26182  Oenothera villosa subsp. strigosa J. P. Kroessig 1977-8-5 47 Siskiyou Along e margin of Everitt Memorial Hwy., between hwy entrance and Penny Pines Plantation, ca. 3 km n of Mt. Shasta City. 1220 Comment
  RSA790724  Onopordum acanthium T. C. Fuller 1963-8-26 11154 Siskiyou Bottomland of Greenhorn Valley, ca. 2 miles west of Yreka Comment
  CAS-BOT-BC349961  Onopordum tauricum W. T. Parsons; T. C. Fuller 1960-7-26 4878 Siskiyou F. Voelker ranch, w. edge of Meiss Lake Basin, just s. of Sam's Neck, ca. 15 mi. s.e. of Dorris Comment
  HSC96878  Oreostemma alpigenum Gordon Leppig 1997-8-23 673 Siskiyou Russian Wilderness, Little Duck Lake Fen 2200 Comment
  JEPS121625  Oreostemma alpigenum var. andersonii Jennifer Buck, Deborah Stout 2011-8-24 Siskiyou Middle Fork Sacramento River headwaters, east slope of the Eddys, near Toad Lake. Sloping wet meadow in lodgepole pine forest on ultramafic soil. E aspect. Mount Eddy quadrangle. TL05A Comment
  RSA0076584  Orobanche fasciculata Frederick W. Oettinger 1968-8-16 530 Siskiyou S-facing slope of Little Medicine Mountain near the open summit, due north of Hancock Lake. Comment
  HSC22174  Orobanche uniflora J. O. Sawyer 1969-7-24 1498 Siskiyou SW of Sugar Lake 1890 Comment
  JEPS100531  Orobanche uniflora subsp. occidentalis Gilbert Muth 1966-7-18 417 Siskiyou Marble Gap trail, meadow above Marble Valley, Marble Mt. Wilderness Area. Comment
  HSC19214  Orthilia secunda J. O. Sawyer 1968-7-10 507 Siskiyou On Sugar Creek just above confluence with S Sugar Creek 1707 Comment
  HSC296  Orthilia secunda William J. Ferlatte 1966-8-17 394 Siskiyou Caribou Basin 2134 Comment
  HSC42927  Orthilia secunda Sue Sweet 1977-5-21 67 Siskiyou Off Road 8 on the Sugar Creek Trail along Sugar Creek 1585 Comment
  HSC65561  Orthilia secunda R. White 1977-7-21 130 Siskiyou Slope below outlet of Raspberry Lake. 1512 Comment
  RSA0083192  Orthilia secunda E. B. Copeland 1903-9-6 3924 Siskiyou Mt. Eddy. 1372 Comment
  CAS-BOT-BC266617  Orthocarpus cuspidatus Geo. D. Butler 1910-6-19 1584 Siskiyou Goosenest foothills Comment
  HSC104277  Orthocarpus cuspidatus subsp. copelandii Samantha E. Andres 2016-7-3 11 Siskiyou Marble Mountain Wildnerness; above Little Elk Lake 1829 Comment
  JEPS74483  Orthocarpus cuspidatus subsp. copelandii W. J. Ferlatte 1966-8-2 238 Siskiyou Big Flat; Trinity Alps, Big Flat 1524 Comment
  JEPS84024  Orthocarpus cuspidatus subsp. copelandii L. R. Heckard with S. D'Alcamo, J. Hickman, and S. Winchester 1986-7-16 6334 Siskiyou ca 7 mi nne Seiad Valley (w of Cook and Green Pass, ca 1/2 mi from of Red Butte); w of Cook and Green Pass, ca 1/2 air mi from Red Butte 1730 Comment
  UCR101775  Orthocarpus cuspidatus subsp. copelandii L. C. Wheeler 1958-8-21 7412 Siskiyou Siskiyou Mountains, Lily Pad Lake, head W Fork Seiad Creek 1820 Comment
  HSC29372  Orthocarpus cuspidatus subsp. copelandii Frederick W. Oettinger 1967-8-12 251 Siskiyou Marble Mtn. Wilderness Area, E side of trail between Tom Taylor Cabin and meadow NW of English Peak Lookout 2104 Comment
  UC195192  Orthocarpus cuspidatus subsp. copelandii Annie M. Alexander and Louise Kellogg 1911-7-16 256 Siskiyou S Fk Salmon River Comment
  HSC91161  Osmorhiza berteroi Jennifer Whipple 1977-7-22 2050 Siskiyou Dale Creek drainage on the N face of Mount Eddy 2195 Comment
  UC726880  Osmorhiza berteroi A. A. Heller 1916-7-20 12467 Siskiyou Metcalf's Ranch Mt. Eddy (ne base of mt.) 1188 Comment
  RSA215605  Osmorhiza occidentalis Gilbert Muth 1969-8-6 1260 Siskiyou Boulder Peak Ridge 2470 Comment
  SFV8548  Osmorhiza purpurea J. M. Tucker, L. K. Mann 1963-7-5 3700 Siskiyou Salmon Mountains. On Blake's Fork of South Russian Creek (a tributary of Salmon River), about 7 miles (airline) east of Sawyer's Bar. 1616 Comment
  UC922364  Oxyria digyna Annie M. Alexander and Louise Kellogg 1949-7-22 5836 Siskiyou trail to Kings Castle Paradise Lake (Marble Mountains); , Paradise Lake 1996 Comment
  UCD77870  Ozomelis trifida Robert E. Preston 2001-6-23 1590 a Siskiyou Klamath National Forest, n slope of Rainbow Mtn, T42N R1W nw 1/4 of ne 1/4 Section 23 1950 Comment
  HSC90557  Packera cana Jennifer Whipple 1976-7-7 1331 Siskiyou N slopes of Mt. Eddy. 2439 Comment
  UC1234603  Packera cana Peter H. Raven 1962-5-30 17901 Siskiyou U.S. Highway 97 8.3 mi n Weed Comment
  SD46776  Packera streptanthifolia E. K. Balls, L. W. Lenz 1956-6-18 21722 Siskiyou 5.7 miles southeast of Gazelle, US Highway 99, Yreka to Dunsmuir 885 Comment
  SD46544  Papaver rhoeas E. K. Balls, L. W. Lenz 1956-6-18 21719 Siskiyou U. S. Highway 99, Gazelle. 822 Comment
  POM210931  Parnassia californica Louis C. Wheeler 1934-8-14 3127 Siskiyou North side White Mountain; Siskiyou Mountains. Mt. Diablo Mer. 1768 Comment
  RSA68923  Parnassia californica A. E. Culbertson 1943-9-3 34 Siskiyou Castle Lake. 14 Miles SW of Mt. Shasta on N side of a 6600' eastern spur of Trinity Mts.2000' above Sacramento River within 10 air miles of its headwaters to the west. 1657 Comment
  HSC91998  Parnassia palustris Jennifer Whipple 1976-8-20 1721 Siskiyou Wagon Creek Drainage near Wagon Creek 2195 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
  RSA238304  Parnassia palustris var. californica Frederick W. Oettinger 1968-8-3 377 Siskiyou Base camp near Diamond Lake. Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2012 Comment
  CAS-BOT-BC202855  Paxistima myrsinites Doris K. Kildale 1928-7-4 5517 Siskiyou Summit of divide between Sawyers Bar & Etna Mills Comment
  HSC29145  Paxistima myrsinites Frederick W. Oettinger 1968-9-3 687 Siskiyou Marble Mtn. Wilderness Area, steep loose talus due W of 'Horse's Hole', a pond above Horse Range Lake 1982 Comment
  POM228954  Pectocarya pusilla L. C. Wheeler 1935-5-1 3453 Siskiyou Yreka Creek, Siskiyou Mts. 854 Comment
  RSA68897  Pedicularis attollens A. E. Culbertson 1943-7-12 60 Siskiyou 0.25 mile below 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-BC266647  Pedicularis bracteosa var. flavida Edna Kelsey 1961-8-1 s.n. Siskiyou Sky High Lake, Marble Mountains Comment
  CHSC1836  Pedicularis contorta V. Holt 1942-9-6 Siskiyou Caribou Lake, Trinity Alps. 2286 Comment
  UCD123373  Pedicularis groenlandica J. M. Tucker; D. V. Hemphill 1974-7-26 4293 Siskiyou Let 'Er Buck Meadows, ca. 0.5 mile southeast of Haypress Meadows, Marble Mountain Wilderness Area. 1432 Comment
  POM147890  Pedicularis racemosa J. B. Feudge 1927-7-24 1760 Siskiyou Along trail, Mt Shasta City to Mt. Eddy. 1677 Comment
  POM299020  Pellaea brachyptera Marion Ownbey, Fred G. Meyer 1940-7-6 2198 Siskiyou Near summit of Cayenne Ridge on south side, Marble Mountain. Comment
  CAS-BOT-BC67672  Pellaea breweri John Thomas Howell 1939-8-2 14874 Siskiyou Marble Mts. - Spirit Lake 1828 Comment
  HSC26148  Pellaea breweri J. P. Smith, J. O. Sawyer, Maralyn O'Meara 1972-7-3 5689 Siskiyou E slope of Kangaroo Mtn. above Toehead Lake. 1890 Comment
  RSA12504  Penstemon anguineus Carl B. Wolf 1934-7-4 5932 Siskiyou Horse Creek Rd to Dry Lake Lookout, Siskiyou Mtns. 12 miles from Horse Creek Bridge on Klamath River. 1311 Comment
  RSA495515  Penstemon anguineus Elaine Joyal, D. Mehlman 1988-6-25 1276 Siskiyou Happy Camp - Takilma road at turn-off to Bolan Lake 1524 Comment
  UC180115  Penstemon cinereus H. M. Hall and E. B. Babcock June, 1903 4118 Siskiyou near Sheep Rock (n side of mt.); Sierra Nevada Mountains, Mount Shasta 1371 Comment
  UC727344  Penstemon cinicola Elmer I. Applegate 1923-8-18 3854 Siskiyou w base of Redshale Mountain , Medicine Lake (Medicine Lake) 2133 Comment
  CHSC102568  Penstemon davidsonii var. davidsonii L. P. Janeway 2009-8-4 9903 Siskiyou High Cascade Range. Mt. Shasta, north slope; 3.7 air km south-southwest of Northgate Trailhead. 2783 Comment
  CHSC1859  Penstemon davidsonii var. davidsonii K. Jaekel 1939-7-8 Siskiyou Panther Meadows, Mt. Shasta. 2316 Comment
  HSC67812  Penstemon deustus J. O. Sawyer, J. Cole 1980-7-21 3826 Siskiyou N of FS Rd. 44N01 near intersection with road to Lava Camp. 1677 Comment
  RSA75599  Penstemon deustus subsp. deustus Albert M. Vollmer, L. Beane 1951-6-2 39 Siskiyou Klamath River Hwy, between US 99 and Gottville. Comment
  JEPS107481  Penstemon deustus var. suffrutescens Lowell Ahart, John Dittes 2005-6-9 12037 Siskiyou Rocky hill, about 20 yards north of where cattle water in the Shasta River, about 3/5 mile (air) south of Highway 99/97 Cutoff, about 2 1/2 miles (air) east-southeast of Grenada 774 Comment
  SFV5160  Penstemon deustus var. suffrutescens B. C. Templeton 1960-6-21 8527 Siskiyou Between the agricultural Experiment Station and the California state line._x000B_Grassy hillside. Comment
  RSA739774  Penstemon gracilentus L. P. Janeway, B. Castro 2007-7-28 9129 Siskiyou High Cascade Range, Medicine Lake Highlands, just N of the N edge of Medicine Lake Glass Flow. 2109 Comment
  UC1483538  Penstemon gracilentus J. Sawyer and J. Cole 1980-7-19 3675 Siskiyou near F.S. Road 45N05 in center of section; Klamath National Forest, Medicine Lake Quad. 2017 Comment
  UC313696  Penstemon gracilentus David D. Keck 1927-8-16 305 Siskiyou 4 mi e Mt. Shasta City (Sisson) (on w flank of Mt. Shasta); w flank of Mt. Shasta, e of Mt. Shasta City (Sisson) 1609 Comment
  CHSC1887  Penstemon heterodoxus var. shastensis N. Jaekal 1939-7-8 Siskiyou Near Horse Camp on Mt. Shasta. 2133 Comment
  JEPS93872  Penstemon heterodoxus var. shastensis Vernon H. Oswald and Lowell Ahart 1998-7-21 9329 Siskiyou Highway 97 between Weed and Macdoel (at the e end of Grass Lake); Grass Lake, Highway 97 1524 Comment
  UC1586983  Penstemon laetus Juha Pykala and D. H. Norris 1987-6-26 2012 Siskiyou between Doolittle Creek and Stanza Creek (eastern tributaries of Elk Creek); Klamath National Forest, n of Sulphur Springs 1371 Comment
  SEINET7073530  Penstemon laetus var. laetus A. G. Vestal 1963-6-3 s.n. Siskiyou South of Gazelle on the east slope of lava hill on Gazelle-Callahan Road. UTM Zone 10, 535838mN, 4591995mN. Coordinate datum: NAD27. Comment
  CHSC93546  Penstemon laetus var. sagittatus Lowell Ahart; John Dittes 2005-6-9 12029 Siskiyou Hill, south of a rock fence, about 100 yards northeast of where cattle water in the Shasta River, about 3/5 mile (air) south of Highway 99/97 Cutoff, about 2 1/2 miles (air) east-southeast of Grenada. 774 Comment
  JEPS104886  Penstemon laetus var. sagittatus Dean W. Taylor 1993-7-30 13993 Siskiyou Bolan Lake Road (Forest Road 4812) about 2 miles east of Indian Creek Road (Forest Road 40S07); Klamath National Forest 1584 Comment
  NY604560  Penstemon laetus var. sagittatus A. A. Heller 1905-6-13 8019 Siskiyou Shasta Springs. Comment
  SFV17492  Penstemon laetus var. sagittatus P. Wilson 1998-7-25 3550 dup. Siskiyou Trailhead at end of Elk Creek Road. 700 Comment
  RSA668198  Penstemon laetus var. sagittatus Karl Vincent 1987-6-28 4440 Siskiyou Cacade Range, Mt Shasta; old roadbed in lava flow area along E side of US 97 ca 5.1 mi NE of jct I-5 Bus. Loop in Weed. 1159 Comment
  SEINET272937  Penstemon laetus var. sagittatus Karl A. Vincent, Charlotte A. Labbe 1987-8-12 4510 Siskiyou Cascade Range Mt. Shasta; common old roadbed in lava flow area along E side of US 97 ca 5.1 mi NE of jct. I-5 bus. lo 1158 Comment
  CHSC4530  Penstemon newberryi J. E. Bowlin 1967-7-16 39 Siskiyou On roadside, ca. 8.5 mi w of Mount Shasta Ski Bowl. 1554 Comment
  SBBG16534  Penstemon newberryi D. Myrick 1961-6-19 263 Siskiyou rd to Mt Shasta Ski Bowl 1371 Comment
  POM299514  Penstemon newberryi subsp. berryi Marion Ownbey, Fred G. Meyer 1940-7-6 2204 Siskiyou West side of Cayenne Ridge at summit, Marble Mountain. Comment
  UC1585379  Penstemon newberryi var. newberryi R. Raiche 1989-9-7 90321 Siskiyou ca 6 km beyond McBride Spring (Mt. Shasta); , beyond McBride Spring 1385 Comment
  HSC81519  Penstemon parvulus Thomas W. Nelson, Jane P. Nelson 1980-7-20 6168 Siskiyou Above and to SE of Big Carmen Lake 1738 Comment
  JEPS21124  Penstemon parvulus Rimo Bacigalupi with S. Galen Smith and Geo. Bacigalupi Jr. 1957-6-26 5964 Siskiyou Canyon of South Fork of Sacramento River at its source in the region immediately s Mt. Eddy (along very poor mountain road to Gumboot Lake, sw corner of Siskiyou County); Canyon South Fork Sacramento River, s of Mt. Eddy 1432 Comment
  NY130475  Penstemon piliferus A. A. Heller 1905-6-8 7991 Siskiyou Comment
  CAS-BOT-BC94548  Penstemon procerus subsp. brachyanthus R. C. Wenk 2006-9-2 544 Siskiyou trail to Caribou Lakes from Big Flat Meadow. Dry granite talus area by side of trail, above Big Conrad Gulch 1950 Comment
  JEPS27132  Penstemon procerus var. formosus Harley P. Chandler June, 1901 1639 Siskiyou near Marble Mountain (North Coast Ranges); , near Marble Mountain 2133 Comment
  CHSC75762  Penstemon roezlii Vernon H. Oswald; Lowell Ahart 1999-7-5 9800 Siskiyou Hwy. 3 on Scott Mtn. 5.9 mi southeast of Gazelle-Callahan Hwy., 0.6 mi northwest of the highway summit. 1569 Comment
  UC1045256  Penstemon roezlii W. Bridge Cooke 1940-7-26 15389 Siskiyou along the junction of the Memorial Highway and the Wagon Camp Road; Mount Shasta 1828 Comment
  HSC91118  Penstemon roezlii Jennifer Whipple 1976-7-8 1358 Siskiyou Dobkins Lake drainage on E slopes above Dobkins Lake 2256 Comment
  UC1238946  Penstemon rupicola Freed W. Hoffman 1950-7-13 3495 Siskiyou ne slope Baldy Mountain trail to Clear Creek (western Siskiyou County); North Coast Ranges, ne slope Baldy Mtn. trail to Clear Cr 1828 Comment
  NY130508  Penstemon shastensis D. D. Keck 1940-6-13 5172 Siskiyou Grass Lake 1539.2 Comment
  NY660847  Penstemon speciosus H. M. Hall 06 1903 4071 Siskiyou Mount Shasta, near Sisson 1066.8 Comment
  UC875336  Perideridia howellii A. A. Heller 1915-8-24 12204 Siskiyou Metcalf's Ranch Mt. Eddy (ne base of mt.) 1188 Comment
  CAS-BOT-BC222750  Perideridia leptocarpa Clifton; Ground 1978-7-12 2026 Siskiyou Near Crawford Creek Guard Station, close to the town of Forks of Salmon 762 Comment
  UC1312907  Perideridia leptocarpa L. Constance and T. I. Chuang 1967-7-22 3802 Siskiyou 5 mi nw Cecilville (w-facing slope above river); Trinity River 762 Comment
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Mar 2 2015
  SEINET13944986 Image available Perideridia oregana L. Constance, T. I. Chuang, Fei, Mei Chuang, and M. Sousa S. 1966-1 3767 Siskiyou US Hwy 99W, 1.5 mi N of Edgewood turnoff, open rocky adobe pastured flat, alt. 300 ft 91 Comment
  UC906660  Perideridia parishii subsp. latifolia Joseph P. Tracy 1949-9-16 18570 Siskiyou summit of road from Callahan to Trinity Center; Scott Mt. 1615 Comment
  HSC74832  Persicaria amphibia J. P. Smith, J. O. Sawyer 1978-7-3 10001 Siskiyou Klamath National Forest, Williams Point along the Klamath River, S of Hwy. 96 Comment
  HSC43050  Persicaria lapathifolia K. T. Stillman 1976-8-24 441 Siskiyou Along the Klamath River at Williams Point 366 Comment
  CAS-BOT-BC330281  Petasites frigidus var. palmatus Dorothy Parker 1961-6-4 883 Siskiyou Along the Callahan-Cecilville Road 1219 Comment
  CDA41161  Petunia parviflora J. O. McKinney 1944-1 s.n. Siskiyou Yreka. 0 Comment
  HSC61920  Phacelia corymbosa Ruby Van Deventer 1938-7-31 Siskiyou Poker Flat 1585 Comment
  UC923134  Phacelia corymbosa Freed W. Hoffman 1950-7-13 3335 Siskiyou Baldy Mountain Lookout North Coast Ranges (w Siskiyou Co.) 1737 Comment
  POM65428  Phacelia corymbosa E. B. Copeland 1903-8-18 3831 Siskiyou Mt. Eddy. Comment
  JEPS52297  Phacelia dalesiana Wayne Roderick 1963-6-14 Siskiyou meadow just n Scott Mtn. pass (on road from Callahan to Trinity County communities) 1828 Comment
  RSA249718  Phacelia dalesiana Frederick W. Oettinger 1969-7-25 s.n. Siskiyou Scott Mountains: Shasta-Trinity National Forest: 15 air miles SW of Weed near Kangaroo Lake Campground Comment
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Jul 5 2017
  JEPS1963  Phacelia egena Geo. D. Butler 1909-5-23 735 Siskiyou near Yreka Comment
  JEPS81016  Phacelia egena James Payne Smith Jr. 1976-5-22 8784 Siskiyou Callahan Rd along e side of valley Scott Valley 1036 Comment
  HSC43867  Phacelia greenei M. A. Baker 1977-5-22 322 Siskiyou N facing slope of hill just S of Whipple Ranch 976 Comment
  JEPS33176  Phacelia greenei Roxana S. Ferris and Laura Lorraine Jun 12 1948-Jun 16 1948 11718 Siskiyou Plowman's Valley (Noyes Valley), e. fork of Scott River, Schoolhouse Hill Schoolhouse Hill; e. fork of Scott River, Plowman's Valley (Noyes Valley) Comment
  UC1483480  Phacelia greenei Maralyn A. Renner 1980-6-9 833 Siskiyou ridge se F.S. Road 45N35; Klamath National Forest, Yreka Quad. 1341 Comment
  CDA40412  Phacelia heterophylla subsp. virgata Vernon H. Oswald & Lowell Ahart 1998-6-11 9181 Siskiyou Shasta National Forest plantation on the west side of Hwy. 97 2.2 miles northeast of Lake Shastina-Big Springs Rd., northeast of Weed. Comment
  UC221581  Phacelia mutabilis Dr. Edward Palmer Jul 13 1892-Jul 27 1892 2444 Siskiyou Mt. Shasta and vicinity Comment
  CDA40400  Phacelia mutabilis J. T. Howell 1939-8-2 14882 Siskiyou Spirit Lake, Marble Mountains. Comment
  HSC19148  Phacelia mutabilis J. O. Sawyer 1969-7-1 966 Siskiyou NE facing lower slope above Paynes Lake Creek 1829 Comment
  RSA238762  Phacelia mutabilis Frederick W. Oettinger 1969-8-13 1354 Siskiyou On the trail heading up to English Peak L.O. The Salmon Mountains; the High Lake Basins in the vicinity of English Peak. Marble Mountains Wilderness Area. 2172 Comment
  UC923090  Phacelia mutabilis Freed W. Hoffman 1950-7-11 3313 Siskiyou Cedar Camp Rd 8.4 mi from Klamath Highway (w Siskiyou Co.); North Coast Ranges 914 Comment
  RSA105482  Phacelia pringlei G. D. Barbe 1955-7-26 276 Siskiyou At a spring, north slope of Scott Mountain. 1829 Comment
  UC922466  Phacelia procera Annie M. Alexander and Louise Kellogg 1949-7-20 5814 Siskiyou Paradise Lake Marble Mountains 1920 Comment
  HSC61880  Phacelia procera Ruby Van Deventer 1938-7-17 Siskiyou Poker Flat 1585 Comment
  RSA238840  Phacelia procera Frederick W. Oettinger 1968-8-23 613 Siskiyou Base of sheer cliff just due east of Diamond Lake and 50 feet below the lake in elevation. The high lake basins in the vicinity of English Peak, Marble Mountain Wilderness. 2058 Comment
  CAS-BOT-BC77407  Philadelphus lewisii H. P. Olmo 1933-6-8 s.n. Siskiyou Somes Bar, Klamath River Comment
  CAS-BOT-BC77408  Philadelphus lewisii C. H. M. 1919-9-24 s.n. Siskiyou Klamath Canyon, mouth of Shovel Creek Comment
  RSA0058051  Philadelphus lewisii Frederick W. Oettinger 1968-9-8 793 Siskiyou Brush patch east side of Abbotts Lake. Salmon Mtns. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1738 Comment
  RSA0097436  Philadelphus lewisii Edwin Kline 1920-6-19 s.n. Siskiyou Siskiyou Mts. Comment
  HSC10588  Phleum alpinum D. E. Anderson 1962-8-5 2301 Siskiyou Mt. Shasta, Panther Meadows. 2287 Comment
  JEPS94385  Phleum alpinum Vernon Oswald and Lowell Ahart 1997-7-28 8788 Siskiyou on road 43N54 at a meadow 0.6 mi se of Paynes Springs (se of Medicine Lake) 1920 Comment
  HSC82220  Phleum pratense Thomas W. Nelson, Jane P. Nelson, J. P. Smith 1978-7-24 4540 Siskiyou Siskiyou-Trinity County line, head of Scott Mtn. Creek, S of Forest Service campground 1646 Comment
  RSA580859  Phleum pratense L. C. Wheeler 1934-6-22 2752 Siskiyou Cottonwood; Siskiyou Mountains 915 Comment
  UC196936  Phleum pratense Geo. D. Butler 1908-6-25 1094 Siskiyou along creek near Yreka Comment
  HSC39779  Phlox adsurgens J. P. Smith, Steve Selva 1970-7-16 4398 Siskiyou Blue Mtn. Comment
  CAS-BOT-BC294730  Phlox adsurgens James Vale 1980-7-24 s.n. Siskiyou Out of Happy Camp, road to Oregon Comment
  UC60873  Phlox austromontana Harley P. Chandler Jun 1901 1662 Siskiyou Marble Mountain North Coast Ranges 2438 Comment
  UCD118456  Phlox diffusa R. Tofsrud; J. M. Tucker 1948-8-2 s.n. Siskiyou Panther Meadows, south slope of Mt. Shasta. 2407 Comment
  JEPS124891 Image available Phlox diffusa Michael D. Fleschner 1965-7-13 1965 -137 Siskiyou Above Mt. Shasta Ski Board. Comment
  UC1080548  Phlox diffusa S. S. Tillett 1956-7-9 630 Siskiyou ca 8 mi se Callahan (e-facing slope of Scott Mtn., Siskiyou-Trinity Co. line); Scott Mtn. 2072 Comment
  HSC30428  Phlox diffusa subsp. diffusa Frederick W. Oettinger 1968-8-19 586 Siskiyou High Lake Basins, Marble Mtn. Wilderness Area, English Peak Gap 2134 Comment
  RSA120880  Phlox hoodii subsp. canescens G. D. Barbe 1955-8-5 363 Siskiyou Growing at the summit of the trail from Big Flat to Caribou Lake, a spot northwest of Caribou Mtn. Salmon Mountains. 2409 Comment
  SEINET3145518  Phlox hoodii subsp. canescens G. D. Butler 1910-3-13 1127 Siskiyou Klamath hills Comment
  UC164140  Phlox hoodii subsp. canescens Geo. D. Butler 1909-5-15 738 Siskiyou Klamath Hills Klamath Comment
  JEPS69987  Phlox speciosa subsp. occidentalis Geo. D. Butler 1909-4-13 650 Siskiyou near Yreka Comment
  POM265887  Phlox speciosa subsp. occidentalis Lincoln Constance, Reed C. Rollins 1942-5-13 2912 Siskiyou Klamath-Siskiyou Region: Scott River 2 miles northwest of Scott Bar. 488 Comment
  RSA614434  Phlox speciosa subsp. occidentalis K. L. Chambers, C. G. Carlbom 1962-4-21 2111 Siskiyou Highway 99, 6.2 miles south of the center of Yreka Comment
  POM255838  Phoenicaulis cheiranthoides Marion Ownbey, Ruth Ownbey 1938-7-19 1752 Siskiyou Summit of the Siskiyou Mountains, 2.5 miles NW of Dry Lake Lookout. Comment
  UC166047  Phoenicaulis cheiranthoides Geo. D. Butler 1910-5-7 1296 Siskiyou near Yreka Comment
  UC164050  Phoradendron densum Geo. D. Butler 1908-7-16 1071 Siskiyou Klamath R. Comment
  CAS-BOT-BC56482  Phyllodoce empetriformis R. F. Thorne; Frederick W. Oettinger 1969-8-4 63364 Siskiyou Klamath National Forest, Salmon Mountains, Marble Mountain Wilderness Area, 2097 Comment
  UC166486  Phyllodoce empetriformis Geo. D. Butler 1910-7-8 1686 Siskiyou Shackleford Creek 1828 Comment
  UCD77916  Phyllodoce empetriformis Robert E. Preston 2001-6-23 1578 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
  SEINET11998673  Phyllodoce empetriformis Unknown 1986-1 60401 Siskiyou Kangaroo Mountain, SW of Cook & Green Pass 1920 Comment
  CAS-BOT-BC60762  Physaria occidentalis Gilbert Muth 1965-8-12 s.n. Siskiyou Behind Black Mountain. Comment
  UCD116161  Physaria occidentalis subsp. occidentalis J. M. Tucker; L. K. Mann, Sandra L. Holloway 1963-8-18 3756 Siskiyou Southwestern ridge of Black Mountain (Black Marble Mountain), Marble Mountain Wilderness Area. 2133 Comment
  UC1267076  Picea Dorothy Parker June, 1962 Siskiyou Sugar Creek Siskiyou Mountains, Salmon Mountains 1219 Comment
  CAS-BOT-BC78173  Picea breweriana Doris K. Kildale 1929-8-24 8839 Siskiyou Preston Peak 2225 Comment
  HSC4815  Picea breweriana J. O. Sawyer 1968-7-2 350 Siskiyou Upper drainage of Joe Creek 1677 Comment
  RSA237209  Picea breweriana Frederick W. Oettinger 1968-8-13 506 Siskiyou Cliffs above Hellhole, near Hancock Lake. Salmon Mtns. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1936 Comment
  CAS-BOT-BC78165  Picea breweriana William R. Dudley 1899-7-5 s.n. Siskiyou Spur of Siskiyou Mts. between branches of Illinois River 2133 Comment
  NY30092  Picea breweriana P. Bennett 1928-7-11 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
  SBBG33683  Picea breweriana W. Plumb 1969-9-25 Siskiyou ca. 1 mi on rd from Happy Camp to Oregon border Comment
  HSC103158  Pinus albicaulis Michael Kauffmann 2013-8-9 22 Siskiyou West Haight Mountain 2541 Comment
  JEPS82671  Pinus albicaulis Steve Edwards 1984-6-7 Siskiyou South China Mountain 2438 Comment
  NY34554  Pinus albicaulis H. E. Brown 1897-6-11 499 - Siskiyou North side Mt. Shasta 1524.0 Comment
  UC572792  Pinus albicaulis unknown 1937-7-28 9163 Siskiyou Mt. Shasta 2590 Comment
  UC705871  Pinus attenuata Marion Ownbey and Fred G. Meyer 1940-7-7 2219 Siskiyou near summit of Cayenne Ridge Marble Mountain, Cayenne Ridge Comment
  SEINET11526740  Pinus attenuata D. A. Charlet, T. Charlet 1996-12-15 2350 Siskiyou Mt. Shasta, lower southern slopes along State Highway 89, from a few miles east of McLeod to a few miles west of Bartle. Comment
  CAS-BOT-BC73312  Pinus balfouriana John Thomas Howell 1939-8-8 15166 Siskiyou Marble Mts., Black Mt. 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
  HSC92115  Pinus balfouriana subsp. balfouriana Jennifer Whipple 1976-8-21 1733 Siskiyou S face of Mt. Eddy draining into N Fork of the Sacramento River 2378 Comment
  UCD134532  Pinus contorta subsp. murrayana J. M. Tucker 1950-7-24 1957 Siskiyou area reached by Military Road, east slope of Mt. Shasta. Comment
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Mar 6 2015
  NY61575  Pinus jeffreyi C. G. Pringle 1882-9-7 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
  HSC45031  Pinus lambertiana Maralyn O'Meara 1974-5-25 394 Siskiyou Along road to Duck Lakes trail 1402 Comment
  UC618741  Pinus ponderosa unknown 1938-9-2 11597 Siskiyou Sisson Southern Trail Mount Shasta (Transition zone forest and chaparral belts around mountain) 1524 Comment
  JEPS64435  Piperia elongata Willis L. Jepson 1894-8-9 21279 Siskiyou Shasta Springs Upper Sacramento Region Comment
  UC375219  Piperia leptopetala Geo. D. Butler 1908-6-28 Siskiyou near Oro Fino Comment
  JEPS104989  Plagiobothrys hispidulus Dean W. Taylor 1996-7-27 15861 Siskiyou Grass Lake (about 15 air miles NE of Weed); Klamath National Forest; Modoc Plateau region 1524 Comment
  UC164105  Plagiobothrys nothofulvus Geo. D. Butler 1909-4-4 585 Siskiyou near Yreka Comment
  POM72152  Plagiobothrys nothofulvus Geo. D. Butler 1910-4-10 1164 Siskiyou Near Yreka. Comment
  RSA237637  Platanthera Frederick W. Oettinger 1969-8-8 1287 Siskiyou Sundew Bog near English Lake. Salmon Mtns; High Lake Basins in the vicinity of English Peak; Marble Mountain Wilderness Area. 1829 Comment
  JEPS29999  Platanthera leucostachys Rimo Bacigalupi, and L. Heckard, J. Weiler 1961-7-2 7985 Siskiyou wet meadow at n end of town town of Mt. Shasta (Sisson) Comment
  UC336576  Platanthera leucostachys unknown 1889-6-8 Siskiyou near Edgewood Comment
  POM107735  Platanthera leucostachys Geo D. Butler 1910-6-6 1455 Siskiyou Quartz Valley Comment
  HSC27799  Platanthera sparsiflora J. D. Ackerman 1973-7-27 108 Siskiyou S Fork Sacramento River Comment
  HSC62289  Platanthera sparsiflora Ruby Van Deventer 1960-7-7 Siskiyou Youngs Valley Comment
  HSC30213  Plectritis congesta subsp. brachystemon William J. Ferlatte 1968-6-8 1138 Siskiyou Big Flat, wooded area near public camp. 1524 Comment
  SEINET8531600  Plectritis macrocera G. D. Butler 1910-3-24 1139 Siskiyou Shasta River Hills Comment
  UCR142785  Plectritis macrocera subsp. macrocera L. C. Wheeler 1935-6-1 3537 Siskiyou Siskiyou Mtns., Yreka Creek [at Lime Gulch confluence] 854 Comment
  JEPS84214  Pleuricospora fimbriolata L. R. Heckard with J. Hickman et al. 1986-7-17 6481 Siskiyou 0.2 mi w Cook and Green Pass; w of Cook and Green Pass 1465 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
  JEPS80532  Poa bolanderi Gilbert Muth 1966-7-17 402 Siskiyou trail to Lookout Marble Mt Wilderness Area 1828 Comment
  RSA238336  Poa bolanderi Frederick W. Oettinger 1968-9-7 759 Siskiyou On hillside going down to Tobacco Lake from Lily Pond. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1921 Comment
  UCD90281  Poa bolanderi Geo. D. Butler 1910-7-12 1750 Siskiyou Shackleford Creek. 1219 Comment
  CHSC22881  Poa bulbosa Robert A. Schlising 1963-6-6 2610 Siskiyou Northern part of County; SW of Hilt, along Beaver Creek Road, near crossing of Beaver Creek. Comment
  UCD90837  Poa compressa Geo. D. Butler 1909-6-30 845 Siskiyou Longmont (?). Comment
  UC1265391  Poa cusickii subsp. purpurascens Frederick W. Oettinger 1969-9-2 1605 Siskiyou above meadow n. side of English Peak; Salmon Mts., High Lake Basins, English Peak vic., Marble Mt. 2164 Comment
  HSC76917  Poa pringlei K. T. Stillman 1976-6-26 129 Siskiyou Marble Mtn. Wilderness Area, top of ridge W of Kings Castle. 2073 Comment
  UCD91764  Poa pringlei A. A. Heller 1921-7-7 13566 Siskiyou East slope of Mt. Eddy, in the Canadian Life Zone. Comment
  UCD91765  Poa pringlei Freed W. Hoffman 1950-7-13 3655 Siskiyou western side of Baldy Mountain. Comment
  UC167208  Poa rhizomata Geo. D. Butler 1910-4-21 1205 Siskiyou Oro Fino; ; Siskiyou Co. Comment
  POM198428  Poa secunda Geo D. Butler 1910-7-12 1749 Siskiyou Shackleford Creek 1220 Comment
  RSA239035  Poa secunda Frederick W. Oettinger 1969-8-3 1149 Siskiyou west-northwest of English Lake; Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1951 Comment
  RSA603830  Poa secunda L. C. Wheeler 1935-5-4 3464 Siskiyou Siskiyou Mountains; Greenhorn Creek. 854 Comment
  UCD148981  Poa secunda subsp. juncifolia G. Douglas Barbe; T. C. Fuller, J. T. Howell 1980-4-28 2587 Siskiyou between Old Highway 99 and railroad at Truttman Lane, 2.3 km south of Grenada. 800 Comment
  HSC31101  Poa secunda subsp. secunda Frederick W. Oettinger, R. F. Thorne 1969-8-6 1223 Siskiyou Marble Mtn. Wilderness Area, S side of Pine Lake. 1951 Comment
  UC1265393  Poa secunda subsp. secunda Frederick W. Oettinger 1969-8-3 1149 Siskiyou wnw of English Lake (vicinity of English Peak); Salmon Mts, High Lake Basins, Marble Mt Wilderness Area 1950 Comment
  UC196959  Poa secunda subsp. secunda Geo. D. Butler 1909-6-13 831 Siskiyou Moffitt Creek Comment
  UCD52735  Podagrostis humilis Beecher Crampton 1956-8-21 3803 Siskiyou slopes above Gumboot Lake, headwater of the south fork of the Sacramento River, 15-16 miles southwest of Mt. Shasta City. 1920 Comment
  POM230563  Polemonium californicum J. T. Howell 1937-7-24 13377 Siskiyou Caribou Basin, Salmon-Trinity Alps. 1982 Comment
  RSA262351  Polemonium californicum J. M. Tucker 1963-7-7 3725 Siskiyou In vicinity of Paradise Lake, at base of Kings Castle on the east side, Marble Mountain Wilderness Area. 1982 Comment
  RSA600333  Polemonium pulcherrimum L. C. Wheeler 1935-7-24 3695 Siskiyou Siskiyou Mountains: Mt. Diablo Mer.; Mud Springs, Middlehell Creek 2012 Comment
  JEPS100294  Polygonum aubertii Dean W. Taylor 2001-8-27 17902 Siskiyou Mt. Shasta; in Weed, on far western end of town between old highway to Yreka and present-day Interstate 5 1036 Comment
  HSC17463  Polygonum aviculare Geo. D. Butler 1908-6-24 181 Siskiyou Butler's Ranch near Yreka Comment
  UCD99839  Polygonum aviculare subsp. neglectum A. A. Heller 1915-8-24 12207 Siskiyou Metcalf's ranch, northeast base of Mt. Eddy. 1188 Comment
  CAS-BOT-BC414594  Polygonum douglasii Louis C. Wheeler 1934-7-3 2860 Siskiyou Soda Creek, Sterling Mt., Siskiyou Mts. 1676 Comment
  CAS-BOT-BC414603  Polygonum douglasii Doris K. Kildale 1928-7-4 5527 Siskiyou 1 1/2 miles east of summit of divide between Sawyers Bar & Etna Comment
  POM104485  Polygonum douglasii Geo. D. Butler 1908-8-8 186 Siskiyou W Fork Wooly Creek. 1829 Comment
  JEPS94858  Polygonum douglasii subsp. spergulariiforme Vernon H. Oswald and Lowell Ahart 1998-8-3 9405 Siskiyou 11. 5 mi w of Gazelle (junction of Gazelle-Callahan Road and USFS 41N03); junction of Gazelle-Callahan Road and USFS 41N03 1524 Comment
  UC217425  Polygonum douglasii subsp. spergulariiforme H. M. Hall 1919-10-1 Siskiyou s slope on Oregon hwy Siskiyou Mts. Comment
  UC609355  Polygonum douglasii subsp. spergulariiforme Eleanor Burks Hart 1938-8-13 883 Siskiyou above Scott River 701 Comment
  UC1408829  Polygonum minimum Frederick W. Oettinger 1968-8-11 472 Siskiyou Tom Taylor Cabin Salmon Mountains, Marble Mountain Wilderness Area (ne side of creek bed, w Siskiyou Co.) 2042 Comment
  UC1408818  Polygonum phytolaccifolium Frederick W. Oettinger and R. F. Thorne 1969-8-7 1274 Siskiyou English Lake Salmon Mountains, Marble Mountain Wilderness Area (se end, w Siskiyou Co.) 1828 Comment
  HSC30501  Polygonum polygaloides subsp. kelloggii Frederick W. Oettinger, R. F. Thorne 1969-8-5 1216 Siskiyou Marble Mtn. Wilderness Area, base camp at English Lake 1829 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-BC383121  Polygonum shastense Andrew Townesmith; Karen M. Meyer 2007-7-30 867 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
  CAS-BOT-BC420989  Polygonum spergulariiforme Alice Eastwood 1922-10-23 11553 Siskiyou Yreka Comment
  CAS-BOT-BC421087  Polygonum spergulariiforme W. R. Dudley 1899-8-15 s.n. Siskiyou Toward Black Fox Comment
  POM103320  Polygonum spergulariiforme Geo. D. Butler 1908-8-27 189 Siskiyou Humbay Creek Comment
  CAS-BOT-BC237391  Polypogon monspeliensis L. E. Smith 1914-8-1 s.n. Siskiyou Yreka Comment
  CHSC4287  Polystichum imbricans D. Parker 1965-6-10 885 Siskiyou South Fork of Scott River. 1524 Comment
  RSA693319  Polystichum imbricans Edwin Kline 1920-06 s.n. Siskiyou Siskiyou Mtns. Comment
  CAS-BOT-BC76741  Polystichum imbricans subsp. imbricans Alice Eastwood 1912-7-23 1336 Siskiyou Cantara Comment
  CAS-BOT-BC72381  Polystichum lemmonii Louis C. Wheeler 1934-8-14 3137 Siskiyou North side White Mt., Siskiyou Mts. 1767 Comment
  CAS-BOT-BC72384  Polystichum lemmonii Maxine Wilkes 1940-8-1 s.n. Siskiyou Deep Lake, Marble Mts. Comment
  HSC26113  Polystichum lemmonii J. P. Smith, J. O. Sawyer, Maralyn O'Meara 1972-7-3 5680 Siskiyou E slope of Kangaroo Mtn. above Toehead Lake. 1890 Comment
  HSC44934  Polystichum lemmonii J. O. Sawyer 1978-6-17 3234 Siskiyou Marble Mtn. Wilderness Area, slopes E of Gem Lake 2073 Comment
  RSA624979  Polystichum lemmonii L. C. Wheeler 1963-8-25 8272 Siskiyou South side of Preston Peak: Head Rattlesnake Creek. 1829 Comment
  UC812639  Polystichum lemmonii John Thomas Howell 1937-7-29 13668 Siskiyou n side Scott Mt. Comment
  UC909350  Polystichum lemmonii Ira L. Wiggins 1950-5-28 12378 Siskiyou ridge just above Grouse Lake (headwaters of Grouse Creek) 1828 Comment
  UCR101154  Polystichum lemmonii L. C. Wheeler 1958-8-20 7411 Siskiyou Siskiyou Mountains, south side of Red Butte. 1738 Comment
  HSC90061  Polystichum lemmonii R. W. Becking 1985-8-28 Siskiyou Scott Mtn. Rd. Callahan, Rockfence Lake, E of Kangaroo Lake, above cabin 1829 Comment
  SFV94  Polystichum lemmonii D. Parker 1960-7-20 s. n. Siskiyou Cory Peak. Alono Cabin, Meadow Creek. 1829 Comment
  UCSB17940  Polystichum lemmonii Hardham, Clare 1961-7-3 Siskiyou S of Calahan, Scott Mountains. Comment
  HSC1147  Polystichum lonchitis Dorothy Parker 1949-7-10 336 Siskiyou Above Paradise Lake, Salmon Mtn. 1982 Comment
  RSA237509  Polystichum lonchitis Frederick W. Oettinger 1968-9-2 661 Siskiyou Above Upper English Lake. Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountains Wilderness Area. 1875 Comment
  HSC67731  Polystichum munitum John Palmer 1980-8-12 698 Siskiyou SE of Ward's Gap. 1189 Comment
  UC371162  Polystichum munitum G. D. Butler 1908-8-24 245 Siskiyou Eldridge's Corral; Russian Creek 1219 Comment
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Jan 13 2007
  UC922442  Polystichum munitum Annie M. Alexander and Louise Kellogg 1948-9-15 5622 Siskiyou Canyon Creek, branch Scott River Canyon Creek 762 Comment
  RSA240096  Polystichum munitum Frederick W. Oettinger 1969-8-25 1554 Siskiyou At the little N Fork stream crossing along the new trail that goes from the end of the logging road to the Devil's Canyon Trail. 1220 Comment
  CAS-BOT-BC72515  Polystichum scopulinum Louis C. Wheeler 1934-8-6 3059 Siskiyou Rock Gulch off Jaynes Canyon 1828 Comment
  HSC45878  Polystichum scopulinum J. P. Smith, J. O. Sawyer 1972-9-13 5788 Siskiyou 2 mi. W of Cook and Green Pass on the rd. to Lily Pad Lake Comment
  SEINET8233949  Populus balsamifera Frank Callahan 2007-1 Siskiyou Moffett Creek. 884 Comment
  UC164396  Populus trichocarpa Geo. D. Butler 1909-4-26 1072 Siskiyou low ground near Oro Fino; near Oro Fino Comment
  SEINET10344392  Populus trichocarpa G. D. Butler 1910-4-16 1177 Siskiyou Yreka Creek. Comment
  JEPS42976  Potamogeton foliosus Geo. D. Butler 1909-9-12 882 Siskiyou Oro Fino Comment
  UC202562  Potamogeton illinoensis Geo. D. Butler 1910-8-21 1853 Siskiyou Shasta River Comment
  UC164068  Potentilla anserina subsp. anserina Geo. D. Butler 1910-9-13 1874 Siskiyou Butte Valley 1280 Comment
  CAS-BOT-BC143182  Potentilla breweri David D. Keck 1938-8-8 4870 Siskiyou At Trinity Co. line: Scott Mountain Divide, between Scott Mtn. and Craggy Peak 1675 Comment
  HSC90589  Potentilla breweri Jennifer Whipple 1976-7-1 1241 Siskiyou Near Durney Lake 2073 Comment
  RSA215633  Potentilla breweri var. breweri Gilbert Muth 1969-8-8 1275 Siskiyou Boreal meadow, Boulder Peak ridge in subalpine forest. 2287 Comment
  JEPS82728  Potentilla drummondii Wayne Roderick 1983-7-10 Siskiyou Doe Flat near the Del Norte County line; Doe Flat 1143 Comment
  UCD113827  Potentilla drummondii J. M. Tucker 1974-7-28 4320 Siskiyou Haypress Meadows, Marble Mountain Wilderness Area. 1463 Comment
  HSC29383  Potentilla drummondii Frederick W. Oettinger 1968-9-7 769 Siskiyou Marble Mountain Wilderness Area, ridge SE of Tobacco Lake Meadow 1890 Comment
  CHSC1574  Potentilla glandulosa subsp. ashlandica M. Yoder 1941-7-12 Siskiyou Castle Lake. 1981 Comment
  RSA85694  Potentilla gracilis var. fastigiata E. E. Stanford 1930-8-14 2079 Siskiyou Below summit of Sonora Pass. 2896 Comment
  RSA105464  Potentilla gracilis var. flabelliformis M. S. Baker 1955-6-26 13085 Siskiyou Shasta Valley, between Weed and Gazella. 915 Comment
  CAS-BOT-BC158530  Potentilla millefolia A. A. Heller 1921-7-7 13570 Siskiyou Along Wagon Creek on Mt. Eddy 1981 Comment
  CAS-BOT-BC143316  Potentilla newberryi Gary Schoolcraft 1984-6-18 1228 Siskiyou On Big Tableland 9 mi. SW of Dorris, CA, 47-2-28 1356 Comment
  SEINET3157045  Potentilla wrangelliana G. D. Butler 1910-5-30 1431 Siskiyou Humbug Creek Comment
  UCD119035  Primula suffrutescens Joseph M. DiTomaso 1975-9-10 321 Siskiyou Just below Sawtooth Pass on Caribou Lake side. 2286 Comment
  UC1124448  Prunella vulgaris var. lanceolata L. Whitney 1934-6-24 6 Siskiyou Antelope Creek Tennant (Tennant); Dorris Quad., Antelope Creek Comment
  CAS-BOT-BC158230  Prunus emarginata Geo. D. Butler 1908-8-26 537 Siskiyou Upper Camp, East side Saltum Mt. Comment
  HSC18926  Prunus emarginata J. O. Sawyer 1969-8-1 1664 Siskiyou SE facing slope above Duck Lake Creek 1951 Comment
  CAS-BOT-BC154679  Prunus subcordata Lincoln Constance; Reed C. Rollins 1942-5-14 2922 Siskiyou Road to Walker Post Office, 3 miles west of Yreka 1219 Comment
  CAS-BOT-BC151240  Prunus virginiana var. demissa L. B. Kildale 1930-5-31 9795 Siskiyou Island in Klamath River near Hornbrook Comment
  HSC76874  Prunus virginiana var. demissa K. T. Stillman 1976-6-26 136 Siskiyou Marble Mtn. Wilderness Area, Kings Castle 2134 Comment
  CAS-BOT-BC356386  Pseudognaphalium beneolens Geo. B. Grant 1902-9-6 5075 Siskiyou Sisson Comment
  CAS-BOT-BC357577  Pseudognaphalium stramineum Carl B. Wolf 1927-8-26 1061 Siskiyou On the Klamath River, 3 mi. below Gottville Comment
  JEPS96674  Pseudoroegneria spicata subsp. spicata Dean W. Taylor 1997-6-12 16062 Siskiyou hillslopes at base of Scott Mountains at mouth of Willow Creek, Shasta Valley); ca. 4 miles west of Gazelle 944 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
  CAS-BOT-BC80176  Pseudotsuga menziesii Doris K. Kildale 1928-4-2 4402 Siskiyou Klamath River at Somes Bar Comment
  RSA237417  Pseudotsuga menziesii Frederick W. Oettinger 1968-8-15 528 Siskiyou On the ridge above Hell Hole at the northeast side of Hancock Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1936 Comment
  JEPS24801  Psilocarphus brevissimus var. brevissimus Rimo Bacigalupi with Drs. Reino and Aloha Alava 1958-9-2 6810 Siskiyou about 3 mi nw Weed (head of Shasta Valley); Shasta Valley 975 Comment
  UC1408847  Pteridium aquilinum var. pubescens Frederick W. Oettinger 1968-8-14 513 Siskiyou vicinity of English Peak, Marble Mountain Wilderness Area; 0.1 mi e. of Tom Taylor Cabin Comment
  HSC2601  Pterospora andromedea William J. Ferlatte 1966-8-19 445 Siskiyou Kidd Creek Trail. 1707 Comment
  CAS-BOT-BC460548  Pterospora andromedea L. E. Smith 1913-7-19 472 Siskiyou Downey Butte Comment
  UCD91896  Puccinellia lemmonii Mr. Roseman 1913-1 19 Siskiyou Butte Valley. Comment
  SD90132  Purshia tridentata Nancy Ryan Zabriskie, Walter Zabriskie 1971-7-23 411 Siskiyou St. Hwy 89 just east of McCloud, southeast of Mt. Shasta Comment
  UCR13736  Purshia tridentata N. R. Zabriskie, W. W. Zabriskie 1971-7-23 411 Siskiyou Hwy 89 just east of McCloud, southeast of Mt. Shasta Comment
  SEINET9342725  Purshia tridentata Unknown 2009-5-31 Siskiyou High elevation, semi-arid desert ecosystem; native species; collected at Lava Beds National Monument, directly South of Tulelake, CA. Comment
  CAS-BOT-BC147914  Purshia tridentata var. tridentata Ellsworth Bethel 1923-5-22 s.n. Siskiyou McCloud Comment
  HSC60169  Purshia tridentata var. tridentata J. P. Smith 1976-5-22 8780 Siskiyou Callahan Rd. along the E side of Scott Valley 1037 Comment
  POM301618  Purshia tridentata var. tridentata Carl B. Wolf 1941-7-26 11076 Siskiyou SW end Little Shasta Valley. 12 miles NE weed on US Hwy 97 at jct with Rd to Montague 915 Comment
  UC467827  Purshia tridentata var. tridentata Annie M. Alexander and Louise Kellogg 1911-6-13 136 Siskiyou 6 mi nw Callahan Comment
  HSC41796  Pyrola aphylla Brent Whiteley 1975-6-28 101 Siskiyou Irving sale of the Klamath River. 915 Comment
  JEPS26519  Pyrola aphylla Lauramay T. Dempster 1961-7-1 1848 Siskiyou Mill Creek near Etna 1219 Comment
  CAS-BOT-BC460866  Pyrola aphylla Geo. D. Butler 1910-6-17 1575 Siskiyou Humbug Mountain 1219 Comment
  RSA0082800  Pyrola aphylla Frederick W. Oettinger 1969-8-9 1324 Siskiyou Along main trail (North fork of Salmon River) between 5 mile Stock Gate and Abbott's Upper Cabin. 1098 Comment
  CAS-BOT-BC465505  Pyrola asarifolia W. R. Dudley 1899-8-15 s.n. Siskiyou Black Fox Mountains Comment
  JEPS82485  Pyrola crypta Gilbert Muth 1965-8-10 198 Siskiyou Along either trail, Black Mt., Marble Mt 1828 Comment
  RSA0080537  Pyrola crypta Frederick W. Oettinger 1967-8-26 330 Siskiyou Along the trail heading downhill to Diamond Lake from the Tom's Lake Basin. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2027 Comment
  CAS-BOT-BC462543  Pyrola dentata Elizabeth McClintock; Wayne Roderick; Martha Roderick 1967-7-29 s.n. Siskiyou Near Cedar Lake, Trinity Mts. 1828 Comment
  SEINET7257268  Pyrola minor W. Roderick, D. Parker 1967-7-27 s.n. Siskiyou South of Etna 1676 Comment
  HSC17971  Pyrola picta Wm. F. Bowman 1968-10-12 Siskiyou Sugar Creek Trail 1585 Comment
  SJSU2557  Pyrola picta H. L. Buckalew 1962-7-6 Siskiyou junction of Indian Cr & W Branch Indian Cr Comment
  UC32711  Pyrola picta W. C. Blasdale 1894-7-1 Siskiyou Mount Shasta Comment
  UC585173  Pyrola picta E. B. Babcock, G. L. Stebbins Jr. 1936-6-13 1992 A Siskiyou East and Northeast slope of spur of Rainbow Ridge above Sulloway Creek about 1 1/2 miles west of Mt. Shasta City. 1188 Comment
  CAS-BOT-BC466130  Pyrola picta John Thomas Howell 1937-7-26 13520 Siskiyou Caribou Basin, Salmon-Trinity Alps 2286 Comment
  UC166180  Pyrola picta Geo. D. Butler 1908-7-2 38 Siskiyou head Long Gulch near Yreka Comment
  POM52309  Pyrrocoma racemosa var. paniculata Geo D. Butler 1910-8-21 1843 Siskiyou Shasta Valley Comment
  OBI55525  Pyrrocoma racemosa var. pinetorum David J. Keil 1992-7-21 23514 Siskiyou Klamath NF SE of Callahan on hwy 3, 5.3 mi NW of Scott Mtn summit Comment
  CAS-BOT-BC94662  Quercus garryana Alice Eastwood 1921-7-22 10710 Siskiyou near Dunsmuir Comment
  UC220658  Quercus garryana H. E. Brown Aug 1 1897-Aug 15 1897 Siskiyou s side Mt. Shasta 1524 Comment
  CAS-BOT-BC62760  Quercus garryana var. breweri Doris K. Kildale 1928-8-18 6442 Siskiyou lead of north fork of Salmon River at Finley's upper Camp Comment
  RSA237383  Quercus garryana var. breweri Frederick W. Oettinger 1968-9-8 792 Siskiyou 0.1 mi due north of English Lake outlet. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1768 Comment
  UCD46171  Quercus garryana var. breweri P. C. Everett; E. K. Balls 1954-10-13 20288 Siskiyou Indian Creek road to Obrien, summit of pass, 21 mi. n.w. from Hwy 96 at Happy Camp, Siskiyou County. 1554 Comment
  RSA96850  Quercus garryana var. breweri Percy C. Everett, E. K. Balls 1954-10-13 20288 Siskiyou Indian Creek road to Obrien, at summit of pass, 21 mi. n.w. from Hwy 96 at Happy Camp. 1555 Comment
  POM106327  Quercus garryana var. garryana Geo. D. Butler 1910-4-16 1182 Siskiyou Klamath River. Comment
  UCD46096  Quercus garryana var. garryana J. M. Tucker 1947-5-17 1553 Siskiyou 7 miles southwest of Gazelle, Siskiyou County, California. Comment
  LA205301  Quercus kelloggii W. B. C.; 1939-7-28 13778 Siskiyou along the MacBride Springs Rd 1371 Comment
  CAS-BOT-BC104347  Quercus sadleriana Reino Olavi Alava; Aloha Alava; Rimo Bacigalupi 1958-9-3 2454 Siskiyou At the junction of the road to Poker Flat and the road from Happy Camp to Takilma 1376 Comment
  CAS-BOT-BC104352  Quercus sadleriana Doris K. Kildale 1928-8-20 6586 Siskiyou Lily Pad Lake near Hancock Lookout on trail to Marble Mt. Comment
  SD51661  Quercus sadleriana Reino Alava, Aloha Alava and Rimo Bacigalupi 1958-9-3 2454 Siskiyou At the junction of the road to Poker Flat and the road from Happy Camp to Takilma. 1376 Comment
  SEINET12029704  Quercus sadleriana S. Edwards, Roderick, W. 1983-1 105 Siskiyou E of Cook & Green Pass Comment
  SEINET13953860 Image available Quercus sadleriana D. K. Bailey 1972-1 Siskiyou Understory shrubs beneath Picea breweriana, cf. NE slope above O'Brien to Happy Camp road 1311 Comment
  CAS-BOT-BC104622  Quercus vacciniifolia Doris K. Kildale 1929-8-24 8835 Siskiyou Preston Peak 2225 Comment
  CDA22070  Quercus vacciniifolia T. C. Fuller, Don Shaw 1974-9-24 20040 Siskiyou Pacific Crest Trail, summit of the Siskiyou Mountains, east of White Mountain. 0 Comment
  SEINET10437620  Quercus vacciniifolia G. D. Butler 1910-7-12 1760 Siskiyou Shackleford Creek. 1372 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
  HSC28740  Ranunculus aquatilis var. diffusus Frederick W. Oettinger 1969-8-24 1541 Siskiyou Marble Mtn. Wilderness Area, outlet of Upper English Lake 1921 Comment
  UC375274  Ranunculus flammula Geo. D. Butler 1908-8-3 350 Siskiyou Shackleford Creek Long Lake Comment
  RSA49963  Ranunculus orthorhynchus E. K. Balls 1949-7-8 13898 Siskiyou Trail to Carmen Lake from Scott Mountain Camp, Scott Mt. 1707 Comment
  UC796608  Ranunculus parviflorus Roxana S. Ferris and Laura Lorraine Jun 12 1948-Jun 16 1948 11746 Siskiyou French Creek Logging Road w Callahan 1066 Comment
  RSA604936  Ranunculus populago Louis C. Wheeler 1935-7-23 3685 Siskiyou Siskiyou Mountains: Mt. Diablo Mer.; Mud Springs, Middlehell Creek. 2012 Comment
  RSA176792  Ranunculus testiculatus Peter H. Raven 1963-5-19 18400 Siskiyou Sagebrush covered flats just S of California State line on Hwy 97, N of Mcdoel Comment
  JEPS94640  Rhamnus californica subsp. occidentalis Vernon H. Oswald and Lowell Ahart 1998-8-3 9447 Siskiyou Rock Fence Lake Rd. (USFS 41N18) 0.1 mi ne intersection with Kangaroo Lake Rd. (USFS 41N08) (4.9 mi se of Gazelle-Callahan Rd.) 1676 Comment
  CAS-BOT-BC56113  Rhamnus ilicifolia W. B. C. 1940-6-20 15141 Siskiyou along the Klamath River west of the Pacific Highway 609 Comment
  RSA7807  Rhamnus purshiana Doris K. Kildale 1928-7-25 5912 Siskiyou Klamath River Comment
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Jan 24 2013
  JEPS41960  Rhamnus rubra W. L. Jepson 1914-8-14 6171 Siskiyou Dunsmuir 670 Comment
  HSC4878  Rhododendron columbianum J. O. Sawyer 1968-6-25 289 Siskiyou NE of N Horse Range Lake 2012 Comment
  HSC27604  Rhododendron occidentale Carl W. Mize 1972-6-10 49 Siskiyou ca. 50 ft. above Steinacher Creek and 1/2 mi. from Wooley Creek 335 Comment
  SEINET10907249  Rhododendron occidentale Mary Merello 1993-6-22 Merello 688 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
  UC141199  Rhododendron occidentale A. A. Heller 1905-6-1 7948 Siskiyou Upper Soda Spring Comment
  CAS-BOT-BC200405  Rhododendron occidentale var. paludosum A. A. Heller 1905-6-1 7948 Siskiyou Upper Soda Spring Comment
  CDA32771  Rhododendron occidentale var. paludosum G. F. Hrusa 1992-5-3 9555 Siskiyou Siskiyou Mountains; South side of Scott Mtn. just below summit area. 1627 Comment
  HSC44980  Ribes binominatum J. O. Sawyer 1978-6-21 3283 Siskiyou Marble Mtn. Wilderness Area, along trail N of Clear Lake 1951 Comment
  UC1096827  Ribes cereum Wagnon 1957-8-11 1704 Siskiyou 1 mi w Military Pass Rd. (along rd. to Brewer's Creek, w slope of Mt. Shasta); North Coast Ranges, Mt. Shasta Comment
  UC1127414  Ribes cereum M. H. Mitchell 1936-5-8 5 Siskiyou 1/2 mi w Incline Cone (close to road); Modoc Lava Beds Natl. Mon., Dorris Quadrangle Comment
  UC642577  Ribes inerme var. inerme W. Bridge Cooke 1939-7-21 13702 Siskiyou in the vicinity of the outlet of the Municipal Spring above Howard; Mount Shasta Comment
  CAS-BOT-BC168869  Ribes inerme var. klamathense Ellsworth Bethel 1923-5-21 s.n. Siskiyou Sisson Comment
  UC165268  Ribes inerme var. klamathense Geo. D. Butler 1910-4-9 1160 Siskiyou Yreka Comment
  HSC33959  Ribes lacustre J. P. Smith 1974-5-25 7444 Siskiyou Near junction of Rd. 8 with French Creek Rd. 1280 Comment
  UC1190179  Ribes lacustre Ira L. Wiggins 1955-7-29 13592 Siskiyou 3.5 mi above S. Fork of Salmon River (along Thompson Creek); Thompson Creek 1371 Comment
  CAS-BOT-BC173380  Ribes lobbii Doris K. Kildale 1928-8-18 6436 Siskiyou Near head of north fork of Salmon River at Finley's Upper Camp 1524 Comment
  UC166553  Ribes lobbii Geo. D. Butler 1910-4-22 1223 Siskiyou Quartz Valley Comment
  CAS-BOT-BC212485  Ribes marshallii John Thomas Howell 1939-8-2 14876 Siskiyou Spirit Lake, Marble Mts. Comment
  CAS-BOT-BC212491  Ribes marshallii David D. Keck 1938-8-6 4807 Siskiyou At Del Norte Co. line, Poker Flat, summit of Siskiyou Mts., 4 mi. S. of Oregon line, on road from Waldo to Happy Camp. 1554 Comment
  JEPS105050  Ribes montigenum Dean W. Taylor 1996-7-12 15791 Siskiyou Salmon Mountains; Patterson Creek drainage (about 5 air miles west of Etna); Klamath National Forest 1371 Comment
  CDA25569  Ribes roezlii F. D. Horn 1977-4-21 Siskiyou Van Horn Creek, McAdams Creek Road, Fort Jones. 0 Comment
  CAS-BOT-BC199986  Ribes roezlii var. cruentum John Thomas Howell; T. C. Fuller; G. D. Barbe 1980-4-29 53390 Siskiyou Forest Mountain Summit, 6 miles southwest of Yreka on road to Fort Jones 1249 Comment
  HSC93044  Ribes roezlii var. cruentum Jennifer Whipple 1976-9-3 1784 Siskiyou W facing slope of the ridge between Durney Lake and Little Crater Lake 2195 Comment
  CAS-BOT-BC186293  Ribes roezlii var. roezlii Ira L. Wiggins 1950-5-28 12374 Siskiyou Above Grouse Creek, about 1.5 miles from Carmen Lake 1584 Comment
  CAS-BOT-BC144513  Ribes sanguineum var. sanguineum Doris K. Kildale 1928-7-2 5341 Siskiyou Salmon Summit nr [?] Home Creek trail 1981 Comment
  CAS-BOT-BC173902  Ribes velutinum Doris K. Kildale 1929-6-25 8369 Siskiyou 6 miles north of Hornbrook on Klamath River 609 Comment
  UC165745  Ribes velutinum Geo. D. Butler 1910-5-8 1308 Siskiyou near Yreka Comment
  CAS-BOT-BC168790  Ribes viscosissimum Harley P. Chandler 1901-6-1 1597 Siskiyou Ridges and meadows near Marble Mountain 2133 Comment
  HSC67792  Ribes viscosissimum J. O. Sawyer, J. Cole 1980-7-20 3747 Siskiyou 2 mi. N of Little Glass Mtn., on road connecting FS Rd. 45N05 with FS Rd. 47N75 1875 Comment
  LA86537  Ribes viscosissimum John M. Tucker; 1963-7-7 3710 Siskiyou Marble Mountain Wilderness Area, in vicinity of Paradise Lake, at base of Kings Castle on E side 1981 Comment
  HSC76888  Ribes viscosissimum K. T. Stillman 1976-7-7 152 Siskiyou Marble Mtn. Wilderness Area, trail from S Kelsey Creek to Paradise Lake 1677 Comment
  UC90676  Rigiopappus leptocladus K. Brandegee July 1887 Siskiyou Ager Comment
  CDA16168  Robinia pseudoacacia G. F. Hrusa, T. D. Wilfred 1999-5-31 15067 Siskiyou Klamath Ranges; E side of I-5 at Klamath R. rest area +- 10 mi N of Yreka 640 Comment
  UC165938  Rorippa Geo. D. Butler 1909-5-29 783 Siskiyou near Yreka; near Yreka Comment
  CHSC65221  Rorippa columbiae V. Parker; J. Cooper, M. Ulloa-Cruz 1994-5-25 600 Siskiyou Shasta-Trinity National Forests. McCloud Ranger District. Dry Lake area. Comment
  CAS-BOT-BC74657  Rorippa curvisiliqua H. E. Brown 1897-7-15 573 Siskiyou South side of Mount Shasta. 304 Comment
  CAS-BOT-BC74658  Rorippa curvisiliqua John Thomas Howell 1939-8-5 15064 Siskiyou Spirit Lake, Marble Mountains. 1828 Comment
  JEPS84104  Rorippa curvisiliqua L. R. Heckard with J. Hickman et al. 1986-7-17 6513 Siskiyou n slope Condrey Mt.; n slope Condrey Mt. 1960 Comment
  RSA15595  Rosa eglanteria Carl B. Wolf 1927-8-27 1112 Siskiyou On the Klamath River, Happy Camp. Comment
  CAS-BOT-BC146748  Rosa gymnocarpa Alice Eastwood 1921-7-24 10721 Siskiyou Castle Lake Comment
  RSA237791  Rosa gymnocarpa Frederick W. Oettinger 1967-7-30 223 Siskiyou Outlet stream N end of Abbotts Lake, about 200 yards down from the lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1768 Comment
  SEINET10628435 Image available Rosa nutkana H. E. Brown 1897-6-11 Brown 349 Siskiyou Collected North side Mt. Shasta. 1524 Comment
  HSC19401  Rosa pisocarpa J. O. Sawyer 1968-9-10 672 Siskiyou W shore of Raspberry Lake Comment
  UC637138  Rosa pisocarpa Annetta Carter 1934-8-13 704 Siskiyou Happy Camp to Waldo (Oregon) rd Klamath National Forest, watershed of West Branch of Indian 1371 Comment
  CAS-BOT-BC147062  Rosa pisocarpa W. R. Dudley 1899-8-15 s.n. Siskiyou Toward Black Fox Comment
  NY415875  Rosa pringlei C. G. Pringle 1882-9-6 s.n. Siskiyou Comment
  CAS-BOT-BC148192  Rosa rubiginosa Carl B. Wolf 1927-8-26 1007 Siskiyou On the Klamath River, 5 mi. below Hornbrook Comment
  CAS-BOT-BC149737  Rosa woodsii subsp. ultramontana Geo. D. Butler 1910-7-31 1804 Siskiyou Yreka Creek 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
  HSC36659  Rubus armeniacus Brent Whitely 1975-6-20 6 Siskiyou 223 Comment
  HSC70622  Rubus laciniatus J. M. DiTomaso 1980-8-26 1920 Siskiyou Shasta Springs, 1 mi. along railroad track, N end of Scarlet Way, 4 mi. N of Dunsmir, W side of Sacramento River Comment
  HSC61950  Rubus lasiococcus Ruby Van Deventer 1959-7-10 Siskiyou Poker Flat 1585 Comment
  HSC99747  Rubus parviflorus Carl W. Mize 1972-6-22 93 Siskiyou Cut bank 1 1/2 mi. from Offield Lookout 854 Comment
  RSA237646  Rubus parviflorus Frederick W. Oettinger 1968-8-18 565 Siskiyou E side of Hancock Lake. Salmon Mtns. High Lake Basins in the vicinity of English Peak. Marble Mtn Wilderness Area. Comment
  UC375391  Rubus parviflorus Geo. D. Butler 1908-7-12 1043 Siskiyou Humbug Mountain Comment
  UC163748  Rubus ursinus Geo. D. Butler 1908-7-4 287 Siskiyou Shasta River near mouth; Shasta River near mouth Comment
  JEPS11910  Rudbeckia klamathensis Rimo Bacigalupi with C. L. Custer and G. T. Robbins 1954-8-12 4789 Siskiyou 4 mi below summit of road and Del Norte - Siskiyou Co. line (along Happy Camp-Takilma road, upper reaches of Indian Creek Canyon, nw corner Siskiyou County); Indian Creek Canyon 1005 Comment
  RSA12505  Rudbeckia occidentalis C. B. Wolf 1934-7-4 5931 Siskiyou Ten miles from Horse Creek Bridge on Klamath River, Horse Creek Road to Dry Lake Lookout, Siskiyou Mountains. 1220 Comment
  CHSC91779  Rumex acetosella G. F. Hrusa 2001-6-6 15845 Siskiyou Siskiyou Mountains. Nr. summit of pass betw. Happy Camp, CA and O'Brien, Oregon at turnoff to Bolan Lake, at Oregon border. Roadside. UTM: 10S, 4649821 N, 0456023 E. 1424 Comment
  RSA237968  Rumex acetosella Frederick W. Oettinger 1968-8-10 466 Siskiyou Trail side of Hancock Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1890 Comment
  JEPS93887  Rumex crispus Vernon H. Oswald and Lowell Ahart 1998-7-21 9345 Siskiyou 0.2 mi se of Old State Highway to Bray (ne of Weed and e of Grass Lake on the s side of Tennant Road, and on e side of intermittent stream draining Dry Lake); Tennant Road 1402 Comment
  CAS-BOT-BC433404  Rumex crispus H. E. Brown 1897-6-1 379 Siskiyou Near Sisson 1082 Comment
  CAS-BOT-BC454115  Ruppia cirrhosa Robert F. Thorne; J. Henrickson; C. W. Tilforth 1969-9-3 39035 Siskiyou Along Hwy 161 at N edge of White Lake, 13.5 mi E of junction of Hwys 97 and 161 1280 Comment
  RSA611388  Sagina apetala L. C. Wheeler 1934-6-2 2606 Siskiyou Klamath River at Cherry Flat; Siskiyou Mts. 518 Comment
  UC1408875  Sagina saginoides Frederick W. Oettinger 1969-8-19 1467 Siskiyou near Abbotts; Salmon Mts, High Lake Basins, English Peak vicinity, Marble 1859 Comment
  UC164036  Salix exigua var. hindsiana Geo. D. Butler 1910-5-14 1339 Siskiyou Yreka Creek Comment
  SEINET12003262  Salix lasiandra H. P. Bracelin 1931-1 474 Siskiyou N base of Mt.Eddy, 13 km NW of Shasta City, 1.3 km E of Burney Mill 1110 Comment
  CAS-BOT-BC125445  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-BC107068  Salix lasiolepis Mrs. H. P. Bracelin 1931-6-19 410 Siskiyou Northeast side of Mount Eddy, about 16 km. northwest of Shasta City 1425 Comment
  POM107151  Salix lasiolepis Geo. D. Butler 1909-3-13 1081 Siskiyou Yreka Creek. Comment
  SBBG29073  Salix lasiolepis Mrs. H. P. Bracelin 1931-6-21 469 Siskiyou N side of Mount Eddy, ca. 21 km NW of Shasta City, 300 km below Dobkin's Lake 1650 Comment
  UC481900  Salix lasiolepis Mrs. H. P. Bracelin 1931-6-19 409 Siskiyou about 16 km nw Shasta City (ne side of mt., edge of stream above Metcalf ranch house); Mount Eddy 1425 Comment
  UC482246  Salix lasiolepis Mrs. H. P. Bracelin 1931-6-19 420 Siskiyou about 16 km nw Shasta City (ne side of mt., edge of stream above Metcalf ranch house); Mount Eddy 1515 Comment
  CAS-BOT-BC128350  Salix lasiolepis var. lasiolepis L. E. Smith 1913-3-1 s.n. Siskiyou Mt. Eddy Comment
  UCR133525  Salix lemmonii Mrs. H. P. Bracelin 1931-6-21 467 Siskiyou North side of Mount Eddy, about 21 km northwest of Shasta City, below Dobkins Lake 1650 Comment
  CAS-BOT-BC129041  Salix scouleriana Mrs. H. P. Bracelin 1931-6-20 442 Siskiyou North base of Mount Eddy, about 1 km. up from Metcalf ranch house, about 17 km. northwest of Shasta City 1170 Comment
  HSC68376  Salix scouleriana Maralyn A. Renner 1980-6-26 1212 Siskiyou N edge of Flint Valley 1390 Comment
  RSA238030  Salix scouleriana Frederick W. Oettinger 1968-9-4 696 Siskiyou W shore line, Abbotts Lake. Salmon Mtns. High Lake Basins in the vicinity of English Peak. Marble Mtn Wilderness. 1723 Comment
  UC481714  Salix scouleriana Mrs. H. P. Bracelin 1931-6-20 446 Siskiyou ca. 17 km. n.w. Shasta City (above stream in Wagon Creek Canyon, ca. 1 km. up from Metcalf ranch house, e. side of Mt. Eddy); Mt. Eddy Comment
  UC482262  Salix scouleriana Mrs. H. P. Bracelin 1931-6-20 443 Siskiyou ca. 17 km. n.w. Shasta City (above stream in Wagon Creek Canyon, ca. 1 km. up from Metcalf ranch house, e. side Mt. Eddy); e. side Mt. Eddy 1170 Comment
  CAS-BOT-BC220807  Salvia dorrii var. dorrii Elmer I. Applegate 1935-6-5 2343 Siskiyou Capt. Jack's Ice Cave, Lava Beds National Monument Comment
  UCR129339  Salvia pratensis C. S. Giebner 1968-7-29 s.n. Siskiyou E.H. Marlow property, Greenhorn Valley, c. 2 miles west of Yreka 274 Comment
  UC1125317  Sambucus mexicana M. H. Mitchell 1936-5-19 Siskiyou 1 mi ne Caldwell Butte; Modoc Lava Beds Natl. Mon., Dorris Quadrangle Comment
  CAS-BOT-BC236482  Sambucus racemosa subsp. racemosa Doris K. Kildale 1928-7-2 5414 Siskiyou Salmon Summit via Horn Creek Trail 1981 Comment
  UC1733686  Sanicula graveolens Kay H. Beach, Frank Gould 1940-5-16 635 B Siskiyou in mixed coniferous forest. Summit of Bald Mountain grade about 11 miles west of Mt. Hebron. Comment
  HSC62024  Sanicula graveolens Ruby Van Deventer 5 Jun [year missing] Siskiyou Poker Flat 1585 Comment
  HSC77242  Sanicula graveolens L. P. Janeway 1983-7-17 424 Siskiyou Poker Flat, E edge of upper portion of meadow 1524 Comment
  SEINET13945185 Image available Sanicula graveolens L. Constance 1950-1 3360 Siskiyou East slope of Little Grayback Peak near summit, alt. 5700 ft 1737 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
  UCR28722  Saponaria officinalis John C. Roos 1948-9-2 4019 Siskiyou Hills just north of Shasta City. Comment
  RSA576938  Saponaria officinalis L. C. Wheeler 1934-9-16 3267 Siskiyou Walker, Klamath River; Siskiyou Mts. 518 Comment
  SD88171  Saussurea americana D. H. Shaw, T. C. Fuller 1974-9-24 20045 Siskiyou Headwaters of Horse Creek, southwest slope of White Mountain, Siskiyou Mountains. Comment
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Dec 7 2013
  SEINET10871268  Saxifraga bryophora Mary Susan Taylor 1980-7-8 Taylor 3095 Siskiyou T39N R5W south center sec 19, Dunsmuir quad; Shasta-Trinity Natl Forest; S end of Little Castle Lake, in steep granitic cliffs. 1768 Comment
  RSA238318  Saxifraga ferruginea Frederick W. Oettinger 1968-8-1 337 Siskiyou South side of Hancock Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2043 Comment
  JEPS43065  Saxifraga marshallii Harley P. Chandler 1901-6-25 1613 Siskiyou near Upper Cottei [i.e., Cuddihy] Valley; Marble Mountains, North Coast Ranges Comment
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Jun 23 2010
  UC1409257  Saxifraga odontoloma Frederick W. Oettinger 1968-8-24 629 Siskiyou High Lake Basins in vicinity of English Peak (Tom's Lake, western Siskiyou County); Salmon Mountains, Marble Mountain Wilderness Area, Tom's Lak 1950 Comment
  CAS-BOT-BC445879  Saxifragopsis fragarioides Ira L. Wiggins 1955-7-27 13552 Siskiyou Caribou Lake, Salmon-Trinity Alps Primitive Area 2042 Comment
  UCD126475  Schedonorus pratensis A. A. Heller 1915-8-24 12214 Siskiyou Metcalf's ranch, northeast base of Mt. Eddy. 1188 Comment
  SEINET3991640  Schoenolirion Unknown 1941-6-20 Siskiyou Between Weed and zreka. Comment
  CAS-BOT-BC111413  Schoenoplectus acutus var. occidentalis Doris K. Kildale 1929-7-21 8742 Siskiyou Elk Lisk, South Fork of Indian Creek 1219 Comment
  JEPS63800  Scirpus acutus var. occidentalis B. C. Goldsmith 1916-8-21 15 Siskiyou Gazelle Comment
  UC1100759  Scirpus acutus var. occidentalis Verne Grant and Irving Schneider 1947-8-25 8283 Siskiyou w side Tule Lake; w side of Tule Lake Comment
  UC1265460  Scirpus congdonii Frederick W. Oettinger and R. F. Thorne 1969-8-8 1290 Siskiyou around bog in meadow called Sundew Bog due e English Lake outlet (Salmon Mountains, High Lake Basins in the vicinity of English Peak, Marble Mountain Wilderness Area, w Siskiyou Co); Marble Mountain Wilderness Area, Salmon Mountains 1828 Comment
  CAS-BOT-BC110863  Scirpus lineatus Louis C. Wheeler 1934-7-17 2914 Siskiyou Sunny wet meadow, Cottonwood Creek, Siskiyou Mts. 883 Comment
  CAS-BOT-BC111101  Scirpus microcarpus Copeland 1903-8-14 3722 Siskiyou Sisson Comment
  CAS-BOT-BC111098  Scirpus microcarpus W. B. Cooke; V. G. Cooke 1976-10-19 53832 Siskiyou In spring area Jessie St, Mt. Shasta City. 1082 Comment
  RSA238943  Scirpus microcarpus Frederick W. Oettinger 1969-7-31 1121 Siskiyou Where inlet stream to Upper English Lake breaks out of woods and heads into open wet meadow. Salmon Mountains, the high lake basins in the vicinity of English Peak, Marble Mountains Wilderness Area 1768 Comment
  HSC10893  Scribneria bolanderi L. C. Wheeler 1935-5-18 3500 Siskiyou Yreka Creek 854 Comment
  HSC27105  Scutellaria antirrhinoides Carl W. Mize 1972-6-21 57 Siskiyou 0.25 mi. above rd. on WSW slope 274 Comment
  RSA17980  Scutellaria antirrhinoides Carl B. Wolf 1927-8-26 996 Siskiyou Klamath River, 5 miles below Hornbrook. Comment
  SBBG124784  Scutellaria antirrhinoides C. B. Hardham 1961-7-2 8058 Siskiyou Salmon Mtn Summit Comment
  UCD69139  Scutellaria antirrhinoides D. Sanchez-Mata; P. Rodriguez-Rojo 1997-7-13 s.n. Siskiyou Callahan-Cecilville. Cecilville Road. Klamath National Forest. 1130 Comment
  UC1408772  Scutellaria antirrhinoides Frederick W. Oettinger 1969-8-1 1128 Siskiyou High Lake Basins in vicinity of English Peak (below English Lake,); Salmon Mountains, Marble Mountain Wilderness Area 1676 Comment
  HSC46222  Scutellaria siphocampyloides Jennifer Whipple 1978-6-5 2332 Siskiyou Weston Gulch in Scott Valley 854 Comment
  HSC40493  Sedum laxum subsp. heckneri J. O. Sawyer 1973-7-16 2545 Siskiyou Along Big Meadow Creek 1128 Comment
  RSA238006  Sedum laxum subsp. heckneri Frederick W. Oettinger 1968-8-16 535 Siskiyou Near summit of Little Medicine Mountain (north of Hancock Lake). Salmon Mtns. High Lake Basin in the vicinity of English Peak, Marble Mountain Wilderness Area. 2104 Comment
  CLARK-A1528-5663  Sedum obtusatum John C. Roos 1948-9-1 4025 Siskiyou Etna Comment
  JEPS48011  Sedum obtusatum Geo. D. Butler 1908-6-27 140 Siskiyou Forest House Mountain 914 Comment
  CAS-BOT-BC64646  Sedum obtusatum subsp. boreale Alice Eastwood 1912-8-28 s.n. Siskiyou Cantara Comment
  CHSC460  Sedum obtusatum subsp. boreale V. Holt 1932-6-26 Siskiyou Mt. Eddy. 1981 Comment
  UC830962  Sedum obtusatum subsp. boreale John Thomas Howell 1939-8-2 14905 Siskiyou Marble Mts. , Spirit Lake (Spirit Lake) Comment
  HSC69041  Sedum obtusatum subsp. retusum Maralyn A. Renner 1980-8-7 2354 Siskiyou Klamath National Forest, ridge just E of saddle, S of Rattlesnake Meadow 1799 Comment
  HSC77279  Sedum obtusatum subsp. retusum L. P. Janeway 1983-7-3 374 Siskiyou NW of Poker Flat 1585 Comment
  HSC25419  Sedum radiatum J. P. Smith, J. O. Sawyer, Maralyn O'Meara 1972-7-3 5663 Siskiyou Ridge E of Cook and Green Pass. 1524 Comment
  HSC27494  Sedum radiatum J. P. Smith, J. O. Sawyer 1972-5-28 5381 Siskiyou 0.2 mi. E of Butcher Gulch on the Cecilville-Forks of Salmon road. 732 Comment
  HSC42918  Sedum radiatum Ken Stillman 1976-8-31 459 Siskiyou E and N sides of Williams Point 366 Comment
  RSA0074741  Sedum spathulifolium L. C. Wheeler 1934-6-4 2637 Siskiyou Hamburg Gulch off Horse Creek, Siskiyou Mts. 701 Comment
  HSC34089  Selaginella scopulorum J. O. Sawyer 1969-7-9 1256 Siskiyou W facing slope above Bingham Lake 2317 Comment
  RSA576449  Selaginella wallacei Louis Cutter Wheeler 1934-8-15 3158 Siskiyou East Fork Horse Creek, Siskiyou Mtns. (Mt Diablo Mer) 1524 Comment
  RSA697124  Senecio Leo Miller 1938-07 s.n. Siskiyou Siskiyou Mountains. Comment
  CAS-BOT-BC363425  Senecio aronicoides Alice Eastwood 1923-5-22 11888 Siskiyou Sisson Comment
  HSC91209  Senecio fremontii Jennifer Whipple 1978-10-6 2391 Siskiyou Mt. Eddy, N-facing slopes in the Eddy Creek Drainage 2317 Comment
  UC166212  Senecio hydrophilus Geo. D. Butler 1908-8-27 236 Siskiyou in bogs near Oro Fina Comment
  CAS-BOT-BC363942  Senecio integerrimus var. exaltatus Roxana S. Ferris; Laura Lorraine 1941-8-11 10505 Siskiyou Slopes above Medicine Lake. Shasta National Forest Comment
  CAS-BOT-BC364439  Senecio triangularis Geo. D. Butler 1910-6-5 1486 Siskiyou Shackleford Creek Comment
  HSC22188  Senecio triangularis J. O. Sawyer 1969-8-5 1756 Siskiyou W of Little Duck Lake 2073 Comment
  RSA12485  Senecio triangularis C. B. Wolf 1934-7-4 5952 Siskiyou 6 8/10 mi. from Dry Lake Lookout, on rd. to Horse Creek, Siskiyou Mts. 1829 Comment
  UCR39793  Senecio triangularis L. P. Janeway 1983-7-10 399 Siskiyou Poker Flat 1524 Comment
  HSC76958  Senecio triangularis K. T. Stillman 1976-9-9 472 Siskiyou Marble Mtn. Wilderness Area, N, NE and E side of Black Mtn. Comment
  UC60959  Sericocarpus oregonensis subsp. oregonensis Geo. B. Grant 1902-9-1 5084 Siskiyou Sisson Mount Shasta 914 Comment
  CAS-BOT-BC240272  Setaria viridis Geo. D. Butler 1910-7-29 1796 Siskiyou Yreka Comment
  HSC39742  Sherardia arvensis J. O. Sawyer 1970-4-4 2093 Siskiyou Along Sugar Creek 823 Comment
  JEPS67297  Sidalcea asprella W. L. Jepson 1937-7-30 18556 Siskiyou Poker Flat Siskiyou Mts., , Poker Flat (headwaters Indian Creek) 1584 Comment
  HSC30765  Sidalcea malviflora Arthur R. Kruckeberg 1972-6-10 6219 Siskiyou 3-4 mi. S of Cook and Green Pass Comment
  JEPS125970  Sidalcea oregana subsp. oregana D. W. Taylor 1999-8-12 17317 Siskiyou Mill Creek headwaters, Marble Mountains, ca 4 mi W of Mugginsville, Quartz Valley Comment
  JEPS67254  Sidalcea oregana subsp. spicata W. L. Jepson 1914-8-13 5784 Siskiyou Sisson 1097 Comment
  SBBG2045  Silene bernardina H. and M. Dearing 1939-7-1 3787 Siskiyou Salmon Mtn 1828 Comment
  CAS-BOT-BC181200  Silene campanulata subsp. glandulosa Thomas W. Nelson; Jane P. Nelson 1980-7-21 6160 Siskiyou Along Forest Service Road 40N08 ca. .6 miles from junction with State Route 3. 1645 Comment
  CDA40561  Silene conoidea Jodi Aceves 2014-5-21 PDR# 470 P06027635 Siskiyou 0 Comment
  SD61046  Silene douglasii Darley F. Howe 1964-8-4 3935 Siskiyou 9.0 miles south from entrance to Modoc National Forest on road to Medicine Lake. 2040 Comment
  CAS-BOT-BC227478  Silene grayi Dana York 2011-8-12 3051 Siskiyou Marble Mountain Wilderness. Klamath National Forest, Marble Mountain ridge 2055 Comment
  CHSC34833  Silene grayi M. S. Taylor 1980-8-19 3268 Siskiyou Paint Pot Crater. 1920 Comment
  UC1409290  Silene grayi Frederick W. Oettinger 1968-8-22 592 Siskiyou high lake basins in vicinity English Peak (n slope of English Peak, near Lookout, Western Siskiyou County); Salmon Mountains, Marble Mountain Wilderness Area 2222 Comment
  UCD98588  Silene grayi Mary Ann Showers 1980-7-23 1921 Siskiyou on south and east-facing slopes of Pumice Stone Mt. 2103 Comment
  CAS-BOT-BC389435  Silene lemmonii J. H. Thomas 1954-5-14 4178 Siskiyou Salmon Mountains, Klamath National Forest. Near South Fork of Salmon River, 5 to 9 miles southeast of Cecilville, Southwestern Siskiyou County 1219 Comment
  JEPS50875  Silene menziesii Geo. D. Butler 1908-6-28 103 Siskiyou near Yreka (along creek at Butler's Ranch); near Yreka, Butler's Ranch Comment
  SEINET10574541 Image available Silene menziesii var. viscosa Edward L. Greene 1876-6-29 Greene 900 Siskiyou Collected near Yreka. Comment
  UC1333307  Silene vulgaris Dorothy Parker 1949-6-30 Siskiyou along the banks of Crystal Creek banks of Crystal Creek, Scott Valley (Scott Valley) 871 Comment
  CDA17128  Sisymbrium altissimum G. F. Hrusa 2001-6-5 15842 Siskiyou Shasta Valley; Northbound exit from I-5 at Louie Rd. 914 Comment
  CHSC2211  Sisyrinchium bellum M. Yoder 1941-7-12 Siskiyou Castle Lake 1981 Comment
  HSC67458  Sisyrinchium bellum J. P. Smith, Steve Selva 1970-7-27 4517 Siskiyou Gumboot Lake 1768 Comment
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Jun 7 2012
  JEPS120258  Smilax californica Julie Kierstead Nelson with Rhonda Posey, Mary Ellen Colberg 2011-7-12 2011 -41 Siskiyou Eastern Klamath Mountains, The Eddys. County Road 26, south side of Siskiyou lake, ca. 3 miles SW of Mt. Shasta City Comment
  SEINET6630420  Smilax californica G. D. Butler 1910-1 1466 Siskiyou Quartz Valley Comment
  UC163713  Solanum americanum Geo. D. Butler 1909-8-18 1010 Siskiyou near Yreka Comment
  RSA795337  Solanum dulcamara L. Ahart, John Dittes 2010-7-30 16939 Siskiyou Along the south edge of the Shasta River, about 100 yards east of the East Louie Road Bridge, Shasta Big Springs Ranch, 1.6 air miles southwest of Big Springs Lake, 4.6 air miles northwest of Dwinnel Dam, 5.7 air miles southeast of Grenada. 717 Comment
  UCD40897  Solanum dulcamara R. Rhode 1983-5-26 22 Siskiyou At Highway 96 and Interstate 5 on the banks of the Klamath River. 701 Comment
  SEINET5760795  Solanum umbelliferum Joseph P. Tracy 1950-7-20 19214 Siskiyou About 8 miles SE of Flint Valley, on road to New Orleans Comment
  SEINET516275  Solidago californica Vernon H. Oswald 1997-7-28 8791 Siskiyou SE of Medicine Lake at Paynes Springs. 1981 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-BC365576  Solidago elongata Geo. D. Butler 1910-7-20 1732 Siskiyou Goosenest foothills 1524 Comment
  UC185524  Solidago elongata Copeland 1903-8-12 3823 Siskiyou Sisson Comment
  HSC77560  Solidago lepida var. salebrosa L. P. Janeway 1983-8-16 542 Siskiyou Poker Flat 1524 Comment
  CHSC69073  Solidago velutina subsp. californica Vernon Oswald; Lowell Ahart 1997-7-28 8791 Siskiyou Southeast of Medicine Lake at Paynes Springs. On the floor and walls of Paynes Creek Canyon north of the campground. 1981 Comment
  CAS-BOT-BC365981  Sonchus arvensis T. C. Fuller 1963-8-27 11162 Siskiyou S. side of Dorris-Tulelake Road where the roadbed forms the north shore of Lower Klamath Lake, Lower Klamath Lake Wildlife Refuge, ca. 12 mi. w. of Hatfield Comment
  UCD136122  Sonchus arvensis T. C. Fuller 1963-8-27 11162 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
  CAS-BOT-BC374522  Sonchus asper R. E. Frenkel 1964-7-13 675 Siskiyou Near Mount Shasta on Everitt Memorial Highway 1280 Comment
  CAS-BOT-BC158938  Sorbus scopulina Geo. D. Butler 1910-7-8 1681 Siskiyou Shackleford Creek 1371 Comment
  UC454961  Sorbus scopulina I. J. Condit 1911-7-27 Siskiyou Castle Lake 1981 Comment
  SEINET11919140  Sorbus scopulina J. P. Tracy 19478 Siskiyou in openings in woods,summit of the Siskiyous at crossing of the Takilma-Happy Camp Road 244 Comment
  RSA531259  Sorbus sitchensis subsp. californica Walter Wisura, D. Grzanna 1991-9-3 4573 Siskiyou SE shore of Castle Lake W of town of Mt. Shasta. Comment
  CAS-BOT-BC149678  Spiraea douglasii Laura M. Lathrop 1903-7-27 s.n. Siskiyou Shasta Retreat Comment
  CAS-BOT-BC149688  Spiraea douglasii Louis C. Wheeler 1934-8-16 3176 Siskiyou 2 miles SE White Mts., Siskiyou Mts. 1737 Comment
  HSC18903  Spiraea douglasii J. O. Sawyer 1968-6-18 246 Siskiyou Valley bottom of Blakes' Fork. 1707 Comment
  POM140065  Spiraea douglasii Geo. D. Butler 1910-7-9 1708 Siskiyou Shackleford Creek. 1220 Comment
  POM140097  Spiraea douglasii Alice Eastwood 1903-8-12 3836 Siskiyou Sisson. 1067 Comment
  UC136435  Spiraea douglasii A. A. Heller 1905-6-20 8085 Siskiyou between Igerna and Weed Comment
  UCSB24987  Spiraea douglasii Keefe, Joseph 1967-7-11 Siskiyou Near summit of hill by Little Castle Lake; south of Castle Lake, 10 miles southwest of town of Mt. Shasta 2011 Comment
  HSC60775  Spiraea splendens var. splendens Ruby Van Deventer 1960-7-7 Siskiyou Bell Echo Camp in Youngs Valley Comment
  HSC18956  Spiranthes romanzoffiana J. O. Sawyer 1969-8-4 1866 Siskiyou Slope SW of South Sugar Lake 2195 Comment
  JEPS63046  Stachys ajugoides var. rigida W. L. Jepson 1894-8-9 14958 Siskiyou Shasta Springs Comment
  HSC27640  Stachys pycnantha Carl W. Mize 1972-6-21 74 Siskiyou Along main trail 305 Comment
  HSC27981  Stachys pycnantha Carl W. Mize 1972-9-24 124 Siskiyou Along logging road 816 Comment
  SEINET10537638  Stellaria jamesiana Mary Susan Taylor 1980-6-23 Taylor 2941 Siskiyou T39N R5W sw sec 28 Dunsmuir quad; Shasta Trinity Natl Forest. Soapstone Gulch, on E side of Rd 39N45, ca. 2 mi S of its jct with Hwy 26, ca. 8 mi SW of Mt Shasta City. With B. Williams. (Meadows 0.3, .55 and .05 mi from end of road have Darlingtonia). 1676 Comment
  RSA256591  Stenanthium occidentale J. D. Ackerman, A. M. Montalvo 1974-8-17 425 Siskiyou Western slope Preston Peak ca. 0.5 mile north of Rattlesnake Meadow 1646 Comment
  CAS-BOT-BC375099  Stephanomeria Alice Eastwood 1912-7-20 1255 Siskiyou Hornbrook Comment
  CAS-BOT-BC375644  Stephanomeria lactucina R. Tofsrud; J. M. Tucker 1948-8-4 1784 Siskiyou Ca. 1 1/2 miles north-west of McCloud Comment
  CAS-BOT-BC375638  Stephanomeria lactucina W. R. Dudley 1899-8-9 s.n. Siskiyou Mesa above Upton, south of Black Butte Comment
  JEPS81795  Stephanomeria paniculata Rimo Bacigalupi with Drs. Reino and Aloha Alava 1958-9-1 6778 Siskiyou 2.3 mi above Mt. Shasta town (Sisson) (along Everitt Memorial Highway to Panther Meadow, at sw base of Mt. Shasta); Mt. Shasta 1219 Comment
  UC584352  Stephanomeria paniculata G. L. Stebbins Jr. and J. A. Jenkins 1937-7-19 2444 Siskiyou about 1 mi n Scott River (at Wicks Ranch, 2 mi below Quartz Valley) 914 Comment
  CAS-BOT-BC375941  Stephanomeria virgata Geo. D. Butler 1910-8-7 1814 Siskiyou Humbug Mountain 1066 Comment
  HSC42893  Stephanomeria virgata Ken Stillman 1976-8-15 407 Siskiyou Clearcut at junction of Specimen Creek and Little N Fork of the Salmon River 732 Comment
  HSC19242  Stipa occidentalis var. californica J. O. Sawyer 1969-7-19 1427 Siskiyou SW facing slope above Deacon Lee Trail 2180 Comment
  HSC61  Stipa occidentalis var. occidentalis William J. Ferlatte 1966-6-23 136 Siskiyou Along the Yellow Rose Mine Trail. 1677 Comment
  POM203465  Streptanthus tortuosus Alice Eastwood, J. T. Howell 1934-4-20 1773 Siskiyou Junction of Klamath and Shasta Rivers. Comment
  RSA183658  Streptanthus tortuosus Gilbert Muth 1965-8-5 171 Siskiyou On trail to Black Mtn, Marble Mtns. Comment
  RSA237369  Streptanthus tortuosus Frederick W. Oettinger 1968-8-5 406 Siskiyou Ridge between English Peak and Diamond Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2073 Comment
  SD79848  Streptanthus tortuosus Helen V. Witham 1969-10-9 607 Siskiyou Timberline, Mt. Shasta. 2400 Comment
  UCSB27379  Streptanthus tortuosus Wilken, Dieter 1969-7-26 Siskiyou Above summit of Mt. Shasta Ski Bowl Road, south slope of Mt. Shasta 3200 Comment
  POM143374  Streptanthus tortuosus Milo S. Baker 1899-7-31 s.n. Siskiyou Eastern slope, Mt Shasta. Ash Creek above Warren and Anderson s Comment
  JEPS25565  Streptanthus tortuosus var. orbiculatus Rimo Bacigalupi with George Bacigalupi Jr. 1959-7-1 7190 Siskiyou pumice fields just e Mt. Shasta Ski Bowl Lodge (upper end of Everitt Hwy, sw slopes of mt); Mt. Shasta 2346 Comment
  HSC60660  Streptanthus tortuosus var. tortuosus J. P. Smith, Steve Selva 1970-6-15 3928 Siskiyou 5 mi. NW of Forks of Salmon 335 Comment
  JEPS73712  Streptanthus tortuosus var. tortuosus L. R. Heckard with T. I. Chuang 1968-7-3 1973 Siskiyou just off Hwy. 5 s.e. of Black Butte and w. of Mt. Shasta (City) 1173 Comment
  UC1409355  Streptanthus tortuosus var. tortuosus Frederick W. Oettinger 1968-8-5 406 Siskiyou ridges between English Peak and Diamond Lake; Salmon Mountains, Marble Mountain Wilderness Area 2072 Comment
  RSA68947  Streptopus amplexifolius A. E. Culbertson 1943-7-17 11 Siskiyou Near Forest Service Camp Grd. about a mile downstream from Castle Lake on road to town of Shasta; on north slope of a 6600 eastern spur of Trinity Mts. and 1500 above Sacramento R., within 9 air miles of its headwaters to the west., Mt. Shasta 13 miles to NE 1524 Comment
  JEPS83580  Suaeda calceoliformis Dean W. Taylor 1987-8-9 9290 Siskiyou 8.3 mi w Highway 139 (along Highway 161 (Oregon border)); Lower Klamath National Wildlife Refuge 1249 Comment
  SDSU5611  Suaeda calceoliformis D. F. Howe 1964-8-5 3939 Siskiyou 13.4 miles east of junction with #97 on state line road. 1219 Comment
  CHSC71301  Swertia albicaulis var. albicaulis Vernon H. Oswald; Lowell Ahart 1998-6-11 9186 Siskiyou Shasta NF plantation on the west side of Hwy. 97 2.2 mi northeast of Lake Shastina-Big Springs Rd., northeast of Weed. 1066 Comment
  JEPS93826  Swertia albicaulis var. albicaulis Vernon H. Oswald and Lowell Ahart 1998-6-11 9186 Siskiyou ne of Weed (Shasta National Forest plantation on the w side of Highway 97 2.2 mi ne of Lake Shastina-Big Springs Road); Shasta National Forest, Highway 97 1066 Comment
  HSC62304  Swertia albicaulis var. nitida Ruby Van Deventer 1955-8-5 Siskiyou Trout Camp Comment
  CAS-BOT-BC269614  Symphoricarpos albus var. laevigatus D. H. Norris 1970-5-23 12250 Siskiyou Along Klamath River at Ishi Pishi Bridge near Somes Bar Comment
  UC164059  Symphoricarpos mollis var. acutus Geo. D. Butler 1909-6-22 947 Siskiyou Goosenest foothills 1524 Comment
  CAS-BOT-BC245775  Symphoricarpos rotundifolius Wm. Bridge Cooke; V. G. Cooke 1963-7-10 34270 Siskiyou Along Bolam logging road, north Side of Mt. Shasta 2133 Comment
  HSC58870  Symphyotrichum bracteolatum Marvin Butler 1971-8-11 308 Siskiyou Near Youngs Valley, close to the town of Cave Junction 1403 Comment
  CHSC86454  Symphyotrichum campestre Jenny Marr 1993-7-1 71 Siskiyou Butte Valley Wildlife Area, +/- 7 air miles NW of the town of MacDoel. Meadow NE of Meiss Lake. 1349 Comment
  CAS-BOT-BC98941  Symphyotrichum foliaceum var. parryi John Thomas Howell 1939-8-7 15133 Siskiyou Sky High Valley, Marble Mts. 1828 Comment
  CAS-BOT-BC98944  Symphyotrichum foliaceum var. parryi Alice Eastwood 1912-8-30 s.n. Siskiyou Mount Eddy Comment
  HSC29235  Symphyotrichum foliaceum var. parryi Frederick W. Oettinger 1969-8-16 1407 Siskiyou Marble Mtn. Wilderness Area, central areas of Wire Grass Meadow below English Lake 1677 Comment
  UC609325  Symphyotrichum hendersonii Eleanor Burks Hart 1938-8-16 898 Siskiyou west slope of Lower Wright Lake Lower Wright Lake 2072 Comment
  CAS-BOT-BC98443  Symphyotrichum spathulatum Elmer I. Applegate 1923-8-19 3896 Siskiyou Medicine Lake Comment
  UC75825  Symphyotrichum spathulatum Milo S. Baker 1899-7-1 Siskiyou above, e slope of Mt. Shasta Warren and Anderson's Mill; Mt. Shasta, Ash Creek Comment
  JEPS22233  Symphyotrichum spathulatum Rimo Bacigalupi with Drs. Reino and Aloha Alava 1958-9-2 6820 Siskiyou 7 mi w of, in field near roadside Callahan 1127 Comment
  CAS-BOT-BC98855  Symphyotrichum spathulatum var. intermedium Geo. D. Butler 1910-9-11 1880 Siskiyou Near Edgewood Comment
  HSC85697  Symphyotrichum spathulatum var. spathulatum J. P. Smith 1980-8-24 10343 Siskiyou Klamath National Forest. Forest Rd. 40N03, 0.3 mi. from its junction with State Route 3; 2.72 mi. from county line 1463 Comment
  CAS-BOT-BC221962  Taeniatherum caput-medusae H. S. Yates 1936-6-21 5808 Siskiyou .5 mile northeast of Hilt 1036 Comment
  JEPS105692  Taraxia subacaulis Julie Kierstead Nelson 1993-6-4 93009 Siskiyou Mud Well, ca. 20 mi E of Mount Shasta. McCloud Ranger District. Shasta-Trinity National Forests. 1392 Comment
  CAS-BOT-BC81335  Taxus brevifolia H. A. Thomas; J. H. Thomas 1954-7-23 4472 Siskiyou Salmon-Trinity Mts., about 6 miles SE of Cecilville, vicinity of Blind Horse Creek 1036 Comment
  UC902021  Taxus brevifolia Joseph P. Tracy 1949-9-14 18553 Siskiyou 6 mi ne Cecilville; Shadow Creek 914 Comment
  CAS-BOT-BC447416  Tellima grandiflora Wm. F. Herrin 1920-5-1 s.n. Siskiyou Shasta Springs Comment
  JEPS82442  Tellima grandiflora Gilbert Muth 1966-7-19 429 Siskiyou Marble Gap Trail Marble Mountain Wilderness Area (along first bluff) 1828 Comment
  HSC100276  Thelypodium brachycarpum J. P. Smith, , J. O. Sawyer, & R. J. Cole 2010-8-7 13074 Siskiyou Klamath National Forest, along road to botanical area off Forest Service Road 40N24 to Crater Lake. 1860 Comment
  HSC78074  Thelypodium brachycarpum R. & G. Pederson 1979-9-18 Siskiyou Tulelake, Lower Klamath National Wildlife Refuge, islands 1238 Comment
  HSC90988  Thelypodium brachycarpum Jennifer Whipple 1976-7-1 1237 Siskiyou Near Durney Lake, W facing slope above lake 2073 Comment
  UC1408836  Thelypteris nevadensis Frederick W. Oettinger 1968-9-4 694 Siskiyou sw shore line Abbotts Lake; Salmon Mts, High Lake Basins, English Peak vicinity, Marble 1722 Comment
  CHSC34500  Thlaspi montanum var. montanum J. D. Jokerst 1981-9-8 1468 Siskiyou Between West Park Cr. and first road to the west. 1524 Comment
  CHSC91613  Thlaspi montanum var. montanum G. Douglas Barbe; T. C. Fuller, J. T. Howell 1980-4-29 2653 Siskiyou Klamath Ranges. Schoolhouse Hill, summit of Gazelle-Callahan Road, 7 miles (11.3 km) east of Callahan. 1173 Comment
  UC609354  Thlaspi montanum var. montanum Eleanor Burks Hart 1938-8-17 907 Siskiyou meadow on se side Upper Wright Lake; se side of Upper Wright Lake 2225 Comment
  RSA0036026  Thysanocarpus curvipes var. curvipes Louis C. Wheeler 1925-5-11 3477 Siskiyou Klamath River at Ash Creek, Sisikyou Mts. 609 Comment
  SD230295  Tiarella trifoliata var. unifoliata Louis C. Wheeler 1959-7-25 7602 Siskiyou Marble Mountains: Camp Three, Rogers Creek. Comment
  SEINET12044516  Tofieldia glutinosa J. T. Howell 1937-1 13371 Siskiyou South Fork of Salmon River near Big Flat 1524 Comment
  SEINET10937952  Tofieldia glutinosa subsp. occidentalis Mary Susan Taylor 1980-7-22 Taylor 3173 Siskiyou T40N R7W ne sec 32, China Mt quad. Klamath Natl Forest, along creek and meadow, ca. 0.1 mi SW of Big Carmen Lake, on S side of rd 40N08, ca. 2.3 mi NE of its jct with Hwy 3 at Scott Mt summit. 1737 Comment
  HSC30615  Tolmiea diplomenziesii Frederick W. Oettinger 1969-8-9 1320 Siskiyou Along main North Fork trail between 5 mile stock gate and Abbott's Upper Cabin, Salmon Mountains 1357 Comment
  RSA603012  Torreyochloa pallida var. pauciflora L. C. Wheeler 1935-7-26 3714 Siskiyou Siskiyou mountains: Jaynes Canyon 1951 Comment
  SJSU6478  Toxicoscordion paniculatum R. W. Trivelpiece 1972-6-9 92 Siskiyou c. 4 mi E of Grass Lake 1524 Comment
  UCD78039  Tragopogon dubius Robert E. Preston 2002-7-12 1900 Siskiyou Klamath National Forest, Rainbow Mountain, S slope, N of Trout Creek 1644 Comment
  CDA7717  Tragopogon dubius T. C. Fuller 1958-6-19 1800 Siskiyou Tom Williams property, 4 miles northeast of Montague. 0 Comment
  SEINET5723543 Image available Triantha occidentalis subsp. occidentalis Lowell E. Urbatsch, Vensa Karaman 2000-1 7694 Siskiyou Collected along Road 17, 8.8 mi. SW from the intersection of I-5 & Stewart Spring Rd.; Scott Mountains 1586 Comment
  CAS-BOT-BC519562  Triantha occidentalis subsp. occidentalis Gilbert Muth 1966-8-3 499 Siskiyou Marble Mt.: Marble Valley 1792 Comment
  CHSC91234  Tribulus terrestris Lowell Ahart; John Dittes 2005-6-10 12076 Siskiyou Overflow area, on the north side of the Shasta River, about 100 yards northwest of the pump house along the Shasta River, about 1.9 miles (air) south of Highway 99/97 Cutoff, about 6 miles (air) east-southeast of Grenada. 776 Comment
  JEPS43404  Tribulus terrestris W. L. Jepson 1914-8-14 6160 Siskiyou near Dunsmuir (Castle Crag station) 670 Comment
  HSC68369  Trientalis latifolia J. P. Smith 1973-5-5 6369 Siskiyou In and around the O'Neill Campground near Seiad Valley. 488 Comment
  RSA460864  Trientalis latifolia M. B. Dunkle 1944-6-25 90001 Siskiyou Siskiyou National Forest. 1677 Comment
  CHSC4556  Trifolium dubium J. E. Bowlin 1967-7-18 60 Siskiyou On roadside, ca. 4 mi w of Mount Shasta Ski Bowl. 2133 Comment
  CHSC75715  Trifolium eriocephalum subsp. eriocephalum Vernon H. Oswald; Lowell Ahart 1999-7-5 9806 Siskiyou Gazelle Mtn. on road 41N03 0.2 mi southeast of Gazelle-Callahan Hwy. 1508 Comment
  CAS-BOT-BC219046  Trifolium howellii Geo. D. Butler 1908-8-3 385 Siskiyou Shackleford Creek Comment
  UC630997  Trifolium hybridum A. A. Heller 1916-6-20 12415 Siskiyou Metcalf's Ranch ne base of Mt. Eddy 1188 Comment
  HSC30417  Trifolium longipes Frederick W. Oettinger 1968-8-17 553 Siskiyou Salmon Mountains: N to NW of Pine Lake 1860 Comment
  CHSC63511  Trifolium longipes subsp. elmeri Vernon H. Oswald; Lowell Ahart 1994-8-1 6423 Siskiyou Gumboot Creek on the upstream side of Forest Rd. 26, ca. 0.5 mi (air) NE of Gumboot Lake, W. of Mt. Shasta (city). 1783 Comment
  UC630806  Trifolium longipes var. elmeri A. A. Heller 1915-7-18 12099 Siskiyou Metcalf's Ranch northeast base of Mt. Eddy 1371 Comment
  UC1409229  Trifolium longipes var. hansenii Frederick W. Oettinger 1969-8-8 1298 Siskiyou near English Lake (vicinity of English Peak); Salmon Mtns, Marble Mtn Wilderness Area 1828 Comment
  UC163859  Trifolium microcephalum Geo. D. Butler 1909-6-20 920 Siskiyou near Yreka Comment
  CAS-BOT-BC230886  Trifolium productum Geo. D. Butler 1910-7-9 1721 Siskiyou Marble Mountain 1828 Comment
  HSC2320  Trifolium willdenovii Geo. D. Butler 1910-5-8 1313 Siskiyou Near Yreka Comment
  SEINET3151084  Triglochin maritima G. D. Butler 1910-8-21 1846 Siskiyou Shasta Valley Comment
  CAS-BOT-BC519594  Trillium Roxana S. Ferris; Laura Lorraine 1948-6-12 11883 Siskiyou About 6 miles from Etna on forks of Salmon road 1676 Comment
  HSC18871  Trillium ovatum J. O. Sawyer 1968-7-2 374 Siskiyou Upper drainage of Joe Creek 1677 Comment
  UCD82887  Tripleurospermum Steve Orloff 2009-10-1 s. n. Siskiyou Siskiyou County. Comment
  HSC18985  Trisetum spicatum J. O. Sawyer 1969-7-24 1463 Siskiyou NW facing slope SW of Sugar lake. 1829 Comment
  HSC41816  Trisetum spicatum Robert Wharton 1977-8-20 Siskiyou Along E slope of Mt. Shasta at Wintun Glacier along ridge between Ash & Brewer Creeks 3354 Comment
  UCD93669  Trisetum spicatum Beecher Crampton 1956-8-22 3854 Siskiyou Panther Meadow, south slope of Mt. Shasta. 2316 Comment
  UCD93710  Trisetum spicatum A. A. Heller 1914-8-28 11735 Siskiyou East side of Mt. Eddy. 2438 Comment
  UCD94378  Trisetum spicatum J. M. Tucker 1963-8-19 3780 Siskiyou Marble Mountain Wilderness Area, headwaters of Canyon Creek. 1950 Comment
  HSC24102  Triteleia crocea J. O. Sawyer 1971-7-16 2432 Siskiyou Slope NE of Deep Lake 2165 Comment
  JEPS104867  Triteleia crocea var. crocea Dean W. Taylor 1996-5-29 15639 Siskiyou Highway 3 about 4 miles east of southern edge Yreka; Soap Creek Ridge 822 Comment
  UC165733  Triteleia hyacinthina Geo. D. Butler 1910-5-27 1415 Siskiyou wet meadow Shasta Valley Comment
  SBBG2387  Turritis glabra H. and M. Dearing 1939-7-2 3803 Siskiyou below Salmon Mtn Summit 1524 Comment
  CAS-BOT-BC91277  Umbellularia californica Carl B. Wolf 1927-8-27 1149 Siskiyou On the Klamath River above the Salmon River. Comment
  CAS-BOT-BC91278  Umbellularia californica Doris K. Kildale 1928-4-2 4408 Siskiyou Klamath River at Somes Bar. Comment
  HSC36687  Umbellularia californica Brent Whitely 1975-6-20 4 Siskiyou 223 Comment
  CAS-BOT-BC404215  Urtica dioica subsp. holosericea Alice Eastwood 1912-9-1 1771 Siskiyou Sisson Comment
  CAS-BOT-BC199190  Vaccinium cespitosum John Thomas Howell 1937-7-24 13416 Siskiyou Caribou Basin, Salmon-Trinity Alps 2286 Comment
  CAS-BOT-BC228590  Vaccinium cespitosum Peter W. Fritsch; James R. Shevock; Lu Lu 2012-6-18 1925 Siskiyou The Eddys Region, Shasta-Trinity National Forest. Gumboot Lake, headwaters of the Sacramento River 1836 Comment
  HSC19528  Vaccinium cespitosum J. O. Sawyer 1969-8-3 1728 Siskiyou W of Little Duck Lake 2195 Comment
  HSC69175  Vaccinium cespitosum Maralyn A. Renner 1980-8-6 2334 Siskiyou Cracker Meadow 1555 Comment
  UC1409422  Vaccinium deliciosum Frederick W. Oettinger 1969-7-14 1013 b Siskiyou Charmaine Lake Salmon Mountains, Marble Mountain Wilderness Area, English P 1920 Comment
  HSC19113  Vaccinium membranaceum J. O. Sawyer 1969-8-5 1964 Siskiyou Alluvial terrace along South Sugar Creek 1692 Comment
  RSA238865  Vaccinium membranaceum Frederick W. Oettinger 1968-9-5 721 Siskiyou Near inlet stream to Hancock Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1936 Comment
  HSC7926  Vaccinium parvifolium Wm. F. Bowman 1968-10-12 Siskiyou Sugar Creek Trail Comment
  UCR38387  Vaccinium uliginosum subsp. occidentale G. R. Ballmer, G. F. Pratt 1985-6-19 s.n. Siskiyou Trinity Mtns, Cedar Lake, WNW of Dunsmuir, c. 1 mi north of Gumboot Lake 1738 Comment
  UCD137622  Valeriana sitchensis Alfred H. Murphy 1961-7-19 61 E Siskiyou Marble Mtns., Klamath National Forest, Sky High Valley, north end. 1584 Comment
  UC164333  Valeriana sitchensis subsp. sitchensis Geo. D. Butler 1910-7-7 1655 Siskiyou Shackleford Creek Comment
  RSA12629  Veratrum californicum Carl B. Wolf 1934-7-4 5956 Siskiyou 6.8 miles from Dry Lake lookout on road to Horse Creek, Siskiyou Mountains. 1829 Comment
  CHSC2323  Veratrum californicum var. californicum V. Holt 1932-7-10 Siskiyou Mt. Shasta City. 1097 Comment
  HSC36207  Veratrum viride John Rehling 1975-8-11 103 Siskiyou S end of Little Duck Lake Comment
  SEINET3889182  Veratrum viride John M. Tucker 1972-8-8 4243 Siskiyou Marble Mountains; on moist slope just above Little Marble Valley.; 0 1890 Comment
  HSC4804  Veronica americana William J. Ferlatte 1967-6-5 489 Siskiyou Big Flat, between public camp and S Fork of Salmon River 1524 Comment
  CAS-BOT-BC238149