Search Results — 2000 specimen records retrieved (1364 records with coordinates)
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 Please cite data retrieved from this page: Data provided by the participants of the Consortium of California Herbaria (ucjeps.berkeley.edu/consortium/).
 Records are made available under the CCH Data Use Terms.

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? Specimen ID Determination * Collector Collection Date Collection Number County Locality Elevation in meters Feedback
  HSC31519  Abies X shastensis Steve Selva, Roger Jensen 1974-8-26 57 Siskiyou E side of Little Duck Lake Comment
  CAS-BOT-BC73504  Abies concolor Gilbert Muth 1966-8-3 494 Siskiyou Marble Mts. - Dry slope, Marble Valley Meadow 1792 Comment
  HSC69559  Abies concolor Maralyn A. Renner 1980-8-6 2290 Siskiyou Along trail, 0.5 mi. SE of Cyclone Gap. 1585 Comment
  UCD134144  Abies concolor Robert E. Preston 2002-7-12 1912 a Siskiyou Klamath National Forest, S slope of Rainbow Mountain. 1893 Comment
  HSC31508  Abies lasiocarpa Steve Selva, Roger Jensen 1974-8-25 52 Siskiyou W end of Little Duck Lake Comment
  HSC81890  Abies lasiocarpa var. lasiocarpa D. V. Hemphill 1986-7-18 Siskiyou S of Mavis Lake Comment
  SEINET3559843 Image available Abies magnifica James Montgomery 1969-7-24 80918 a Siskiyou Mount Shasta, Mount Shasta National Forest. 1981 Comment
  UC618788  Abies magnifica var. shastensis W. B. Cooke 1938-9-17 11679 Siskiyou Horse Camp Mount Shasta 2438 Comment
  CLARK-A1528-1053  Acer circinatum John C. Roos 1939-7-5 1520 Siskiyou 990 Comment
  JEPS105135  Acer glabrum var. diffusum Dean W. Taylor 1996-7-12 15792 Siskiyou Salmon Mountains; Patterson Creek drainage (about 5 air miles west of Etna); Klamath National Forest 1371 Comment
  HSC72673  Acer negundo var. californicum J. P. Smith 1973-5-5 6569 Siskiyou Weed lots of Etna 793 Comment
  HSC67833  Achillea millefolium J. O. Sawyer, J. Cole 1980-7-22 3923 Siskiyou NW slopes of Cedar Mtn. 1524 Comment
  HSC68423  Achillea millefolium Maralyn A. Renner 1980-1-10 872 Siskiyou Ridge 1 mile south of Greenhorn Road and 1 mile east of Mill Creek 1341 Comment
  RSA50158  Achillea millefolium E. K. Balls 1949-7-9 s.n. Siskiyou Salmon Mtns. top of pass on rd from Etna to Sawyer's Bar. 1479 Comment
  RSA237216  Achillea millefolium var. occidentalis Frederick W. Oettinger 1969-7-29 1094 Siskiyou On bedrock ridge above Dry Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2043 Comment
  RSA616935  Achlys californica L. C. Wheeler 1959-7-25 7598 Siskiyou Marble Mountains: Camp Three, Rogers Creek Comment
  JEPS101149  Achnatherum lemmonii Dean W. Taylor 1996-6-19 15714 Siskiyou Lime Gulch; bordering Shasta Valley (about 15 miles south of Yreka) 1188 Comment
  CAS-BOT-BC216920  Achnatherum occidentale John Thomas Howell 1939-8-6 15087 Siskiyou Spirit Lake, Marble Mountains 1828 Comment
  CAS-BOT-BC216926  Achnatherum occidentale A. A. Heller 1916-6-22 12427 Siskiyou Near Black Butte N of Sisson 1127 Comment
  JEPS72980  Achnatherum occidentale subsp. californicum W. L. Jepson 1940-6-30 20072 Siskiyou 6 mi e McCloud (Fowlers Camp); McCloud River 944 Comment
  SBBG27160  Achyrachaena mollis L. C. Wheeler 1935-5-26 3533 Siskiyou Yreka Crk, Siskiyou Mts (S4, T 44N, R7W) 853 Comment
  UCD103954  Acmispon americanus var. americanus W. A. Williams 1957-7-23 57 R Siskiyou Dead Fall Creek, Shasta National Forest, e. of Mt. Eddy. 2011 Comment
  CHSC86677  Acmispon denticulatus Jenny Marr 1993-7-1 60 Siskiyou Butte Valley Wildlife Area, +/- 7 air miles NW of the town of MacDoel. Meadow NW of Meiss Lake. 1349 Comment
  UCD95288  Aconitum columbianum AHM 1957-7-23 57 M Siskiyou On the border of Trinity County. Deadfall creek Shasta National Forest (east base of Mt. Eddy). 2011 Comment
  CAS-BOT-BC391532  Aconitum columbianum subsp. columbianum W. R. Dudley 1899-8-15 s.n. Siskiyou Black Fox Comment
  HSC37  Aconitum columbianum subsp. columbianum William J. Ferlatte 1966-8-3 291 Siskiyou Josephine Lake basin 1677 Comment
  HSC19285  Aconogonon davisiae J. O. Sawyer 1969-7-8 1092 Siskiyou NE slope above Little Duck Lake 2140 Comment
  CHSC30237  Aconogonon newberryi M. S. Taylor; J. Prouty, E. Heinetz 1980-8-19 3269 Siskiyou Paint Pot Crater. 1920 Comment
  CAS-BOT-BC418815  Aconogonon phytolaccifolium Doris K. Kildale 1928-8-20 6607 Siskiyou Lily Pad Lake, near Hancock Lookout on trail to Marble Mountain Comment
  CDA6767  Acroptilon repens W. Martin 1968-8-19 Siskiyou Yreka City Corporation Yard. 0 Comment
  CAS-BOT-BC29313  Adenocaulon bicolor Laura Myrtle Lathrop 1903-7-16 s.n. Siskiyou Shasta Retreat Comment
  SEINET11261967  Adenocaulon bicolor Alv Dan Youngberg 1964-7-19 96 Siskiyou Along west branch of Indian Creek.; 0 Comment
  CAS-BOT-BC29318  Adenocaulon bicolor L. E. Smith 1913-7-1 428 Siskiyou Dunsmuir Comment
  UC401267  Adiantum aleuticum unknown Siskiyou Mt Shasta Comment
  RSA237840  Adiantum aleuticum Frederick W. Oettinger 1968-9-1 644 Siskiyou Southwest of Abbotts Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1799 Comment
  CDA1643  Aegilops cylindrica T. C. Fuller 1962-6-12 8970 Siskiyou Little Shasta Rd, 1 mile east of Montague. 0 Comment
  CHSC32916  Agastache parvifolia J. P. Smith; Steve Selva 1970-8-8 4573 Siskiyou Lava Beds National Monument. Comment
  JEPS75975  Ageratina occidentalis W. J. Ferlatte 1976-9-22 1855 Siskiyou 200 yds se of main tailings Yellow Rose Mine; Trinity Alps 2042 Comment
  CAS-BOT-BC29453  Ageratina occidentalis Nora Pettibone; Frank W. Hubby 1894-8-10 s.n. Siskiyou Upper Soda Springs Comment
  HSC76873  Ageratina occidentalis K. T. Stillman 1976-9-9 466 Siskiyou Marble Mountain Wilderness Area, Marble Valley Guard Station. 1738 Comment
  HSC77090  Ageratina occidentalis K. T. Stillman 1976-8-7 362 Siskiyou Marble Mtn. Wilderness Area, trail to Marble Valley Guard Station Comment
  UC1199313  Ageratina occidentalis Joseph P. Tracy 1935-8-2 14433 Siskiyou ne side along trail Youngs Peak; North Coast Regions, Youngs Peak 1524 Comment
  JEPS101308  Agoseris aurantiaca var. aurantiaca Dean W. Taylor 1999-8-12 17313 Siskiyou Mill Creek headwaters, Marble Mountains (ca. 4 miles W of Mugginsville, Quartz Valley) 1889 Comment
  POM33130  Agoseris glauca var. dasycephala Geo. D. Butler 1910-6-19 1589 Siskiyou Goosenest Foothills. 1524 Comment
  HSC67939  Agoseris heterophylla J. P. Smith 1973-5-5 6481 Siskiyou Along Cook and Green Pass Rd. Comment
  HSC67943  Agoseris heterophylla J. P. Smith 1973-5-5 6431 Siskiyou Along Cook and Green Pass Rd. Comment
  CAS-BOT-BC13185  Agoseris monticola W. B. Cooke; V. G. Cooke 1946-8-8 17614 Siskiyou Above Panther Meadows, Mount Shasta 2743 Comment
  CAS-BOT-BC13474  Agoseris retrorsa George Dexter Butler 1910-5-15 1347 Siskiyou Greenhorn Mountain 1066 Comment
  RSA264989  Agoseris retrorsa Gilbert Muth 1975-7-28 10065 Siskiyou Near Cook and Green Pass, near Seiad Valley 1524 Comment
  CDA3361  Agrostemma githago William J. Ferlatte 1978-6-25 1909 Siskiyou Big Springs Area. 1/4 mile north of Road A12, 1 mile east of Four Corners. 0 Comment
  CAS-BOT-BC126992  Agrostis exarata Melissa A. Berry 1957-7-8 s.n. Siskiyou South Russian Creek at Power House. 822 Comment
  HSC30559  Agrostis pallens Frederick W. Oettinger 1968-9-3 681 Siskiyou Marble Mtn. Wilderness Area, slope west of Horse Range Lake 1905 Comment
  UC814987  Agrostis pallens Louis C. Wheeler 1934-8-14 3134 Siskiyou meadow on n side Siskiyou Mountains, White Mt. 1767 Comment
  UCD53529  Agrostis stolonifera P. B. Kennedy 1923-7-29 s.n. Siskiyou by camp Sisson (Mount Shasta). Comment
  SEINET10790426  Agrostis variabilis A. Arthur Heller 1922-7-15 Heller 13697 Siskiyou Damp ground, margin of the small lake at Medicine Lake. Canadian. 2134 Comment
  CHSC2046  Alisma triviale V. Holt 1939-7-8 Siskiyou Abram's Lake near Mt. Shasta City. 914 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-BC459429  Allium acuminatum Lillian Mott 1976-7-4 20 LM76 Siskiyou Cook and Green Pass Road north of Seiad Valley at waterfall 1463 Comment
  CAS-BOT-BC459430  Allium acuminatum L. B. Kildale 1930-5-31 9801 Siskiyou island in Klamath River near Hornbrook Comment
  POM110045  Allium acuminatum Geo D. Butler 1909-5-26 788 Siskiyou Hill near Yreka. Comment
  CAS-BOT-BC462994  Allium bolanderi Volney Rattan 1903-1-1 s.n. Siskiyou Klamath Comment
  HSC77113  Allium falcifolium K. T. Stillman 1976-6-25 72 Siskiyou Above Elk Valley 1982 Comment
  CAS-BOT-BC132142  Allium siskiyouense L. E. Smith 1914-4-20 637 Siskiyou Yreka Comment
  UC1299629  Allium siskiyouense Freed W. Hoffman 1950-7-13 3251 Siskiyou e slope at Baldy Lookout Baldy Lookout Comment
  HSC39473  Allium validum J. P. Smith, Steve Selva 1970-7-27 Siskiyou Gumboot Lake 1768 Comment
Read comments
Apr 23 2015
  UC21634  Allotropa virgata Harley P. Chandler Jun 1901 1546 Siskiyou Ridges and Meadows near Marble Mountain 1828 Comment
  CAS-BOT-BC171246  Alnus L. E. Smith 1913-3-29 s.n. Siskiyou McCloud Comment
  SBBG25321  Alnus incana subsp. tenuifolia J. M. Tucker 1963-8-17 3739 Siskiyou lower Red Rock Valley, Marble Mountain Wilderness Area 1493 Comment
  UC796443  Alnus incana subsp. tenuifolia Roxana S. Ferris and Laura Lorraine Jun 12 1948-Jun 16 1948 11766 Siskiyou Forks of Salmon Rd about 6 mi from Etna 1676 Comment
  CAS-BOT-BC169700  Alnus rhombifolia W. R. Dudley; F. H. Lamb 1896-6-29 4751 Siskiyou Goodenough Meadows. Mt. Pinos Region Comment
  CAS-BOT-BC169382  Alnus viridis subsp. sinuata Doris K. Kildale 1929-8-24 9022 Siskiyou Rattlesnake Meadow, trail to Preston Peak 1524 Comment
  HSC42237  Alnus viridis subsp. sinuata R. J. Mastrogiuseppe, J. D. Mastrogiuseppe 1974-9-2 159 Siskiyou On both sides of Kidd Creek Comment
  RSA211261  Alnus viridis subsp. sinuata W. J. Ferlatte 1966-7-7 192 Siskiyou A flora of the Trinity Alps of northern California ; Caribou Basin. 1982 Comment
  HSC26522  Alopecurus aequalis J. P. Smith, Steve Selva 1970-7-16 4385 Siskiyou Along Klamath River, 2 mi. W of Seiad Creek 518 Comment
  POM211401  Alopecurus aequalis L. C. Wheeler 1934-6-26 2795 Siskiyou Border of sunny creek. Cottonwood Creek, Siskiyou Mts. 838 Comment
  UC165945  Alyssum alyssoides Geo. D. Butler 1909-5-13 722 Siskiyou Cottonwood Creek below Hornbrook; Cottonwood Creek Comment
  CDA3620  Alyssum alyssoides G. D. Barbe, J. T. Howell, T. C. Fuller 1980-4-29 2647 Siskiyou Schoolhouse Hill, summit of Gazelle/Callahan Road, 11.3 km east of Callahan. Comment
  CDA3623  Alyssum alyssoides F. D. Horn 1980-4-24 Siskiyou Williams Creek near Collier Rest Area, I-5 near Hornbrook. 0 Comment
  UCD114086  Alyssum alyssoides John Thomas Howell 1952-6-14 2 Siskiyou Between Gazelle and Callahan. Comment
  JEPS89085  Amaranthus californicus Geo. D. Butler 1909-8-18 1067 Siskiyou Yreka Comment
  JEPS123503  Amelanchier alnifolia var. semiintegrifolia E. T. Doucette 2013-5-17 13 -113 Siskiyou McCloud River loop road Comment
  CAS-BOT-BC26879  Amelanchier gracilis Amos Arthur Heller 1905-6-5 7970 Siskiyou Between Shasta Retreat and Shasta Springs Comment
  HSC4958  Amelanchier pallida J. O. Sawyer 1968-7-23 593 Siskiyou Along trail from Brown's Valley to Caribou Basin including areas around Snowslide Lake and Caribou Lake. 1829 Comment
  RSA237659  Amelanchier pumila Frederick W. Oettinger 1969-8-13 1358 b Siskiyou Below Halfway Spring, trail from English Lake to Diamond Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1829 Comment
  CAS-BOT-BC136879  Amelanchier utahensis Isabelle C. Kimber 1934-6-9 21 Siskiyou Steelbridge Camp, Sacramento River just above confluence with Ney Creek 731 Comment
  CAS-BOT-BC136887  Amelanchier utahensis Doris K. Kildale 1928-7-4 5518 Siskiyou Summit of Divide between Salmon River & Scott Valley Comment
  CAS-BOT-BC136913  Amelanchier utahensis J. H. Thomas 1954-5-13 4126 Siskiyou 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
  UC1483468 Image available Amelanchier utahensis Maralyn A. Renner 1980-8-7 2432 Siskiyou ridge s Preston Peak; Klamath National Forest, Preston Peak Quad. 1950 Comment
Read comments
Dec 20 2007
  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
  HSC63989  Amsinckia intermedia J. P. Smith 1973-5-5 6558 Siskiyou Scott Bar along the Scott River Comment
  POM369883  Amsinckia intermedia Edwin Kline 1920-06 s.n. Siskiyou Siskiyou Mts. Comment
  UC1178231  Amsinckia menziesii var. menziesii Jean H. Langenheim 1957-5-19 4348 Siskiyou intersection of Miner's Creek Road and Tiger Creek Road Comment
  CAS-BOT-BC45216  Anaphalis margaritacea Alice Eastwood 1912-7-23 1344 Siskiyou Cantara Comment
  UC179644  Anaphalis margaritacea A. A. Heller 1914-8-28 11734 Siskiyou Mt. Eddy 2133 Comment
  CAS-BOT-BC45217  Anaphalis margaritacea Louis C. Wheeler 1934-8-14 3120 Siskiyou 1 mile west of White Mountain, Siskiyou Mountains 1920 Comment
  CAS-BOT-BC391753  Anemone L. E. Smith 1913-6-29 s.n. Siskiyou Mt. Eddy Comment
  HSC65508  Anemone deltoidea Rich White 1977-7-21 129 Siskiyou Slope below outlet of Raspberry Lake 1512 Comment
  UCD95465  Anemone deltoidea J. P. Smith; Steve Selva 1970-6-16 4063 Siskiyou 8 miles west of Etna on road to Sawyers Bar. 1371 Comment
  CAS-BOT-BC391794  Anemone deltoidea Wayne Roderick 1967-7-23 s.n. Siskiyou Ca. 15 miles from Happe [Happy] Camp on O'Brien-Happy Camp road 1219 Comment
  HSC722  Anemone drummondii William J. Ferlatte 1966-6-23 120 Siskiyou Dorleska Summit 2134 Comment
  HSC22429  Anemone lyallii J. O. Sawyer 1969-7-11 1318 Siskiyou Slope above S Fork of Sugar Creek 1982 Comment
  CAS-BOT-BC391968  Anemone occidentalis Geo. D. Butler 1910-7-10 1736 Siskiyou Upper Campbell Lake 1676 Comment
  RSA142621  Anemone occidentalis P. A. Munz 1960-8-22 24184 Siskiyou Panther Meadows, Mount Shasta 2530 Comment
  RSA238274  Anemone occidentalis Frederick W. Oettinger 1968-8-4 389 Siskiyou Along trail north of NE Crapo Peak Ridge. Salmon Mtns. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2195 Comment
  JEPS74555  Angelica arguta W. J. Ferlatte 1966-8-3 244 Siskiyou Trinity Alps, Big Flat, area near public camp Big Flat; Trinity Alps, Big Flat 1524 Comment
  JEPS120188  Angelica tomentosa Julie Kierstead Nelson 2011-8-23 2011 -42 Siskiyou Eastern Klamath Mountains, The Eddys. North side of Fawn Creek, 2 miles NE of Gumboot Lake Comment
  CAS-BOT-BC59286  Antennaria argentea Geo. D. Butler 1909-5-31 756 Siskiyou Humbug Creek Comment
  CAS-BOT-BC59287  Antennaria argentea Geo. D. Butler 1909-5-31 756 Siskiyou Humbug Mountain Comment
  HSC148  Antennaria argentea William J. Ferlatte 1966-8-3 265 Siskiyou Along the S Fork of the Salmon River between the campground and Carter's. 1524 Comment
  CAS-BOT-BC59289  Antennaria argentea J. H. Thomas 1954-5-13 4160 Siskiyou Salmon Mountains, Klamath Nation Forest 1127 Comment
  RSA416678  Antennaria argentea M. B. Dunkle 1944-7-7 9089 Siskiyou Deer Creek. 1768 Comment
  JEPS13217  Antennaria howellii subsp. howellii Geo. D. Butler 1909-7-15 954 Siskiyou Highland Mine Comment
  RSA238721  Antennaria rosea Frederick W. Oettinger 1969-7-13 1003 Siskiyou N of Upper English lake just above moist meadows. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. Comment
  HSC27485  Antennaria rosea subsp. rosea J. P. Smith, J. O. Sawyer 1972-5-27 5354 Siskiyou Hwy. 3 near the Scott Mtn. Campground on divide between Scott and Trinity Rivers 1601 Comment
  RSA240060  Antennaria umbrinella Frederick W. Oettinger 1969-8-22 1485 Siskiyou Pierce's Draw. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1677 Comment
  HSC68350  Anthemis cotula J. P. Smith, Steve Selva 1970-7-17 4428 Siskiyou Along Klamath River Comment
  HSC67802  Apocynum androsaemifolium J. Sawyer, J. Cole 1980-7-22 3981 Siskiyou NW slopes of Cedar Mtn. 1524 Comment
  SBBG21855  Apocynum androsaemifolium D. Myrick 1964-7-25 946 Siskiyou Shasta Ski Bowl Hwy, Mt Shasta 1219 Comment
  UC566936  Apocynum androsaemifolium Dorothy Tebbe 1929-7-7 7 Siskiyou Donkey Camp Mt. Eddy Comment
  HSC3208  Apocynum androsaemifolium R. C. Wunner 1965-7-9 367 Siskiyou Lava Beds N.M., 1 mi. from Mammoth Crater Jct. on Tichner Rd. to Upper Ice Cave. 1555 Comment
  UCSB22757  Apocynum androsaemifolium Keefe, Joseph 1967-7-10 Siskiyou Indian Creak Road, 14.8 miles north of Happy Camp 914 Comment
  RSA12666  Apocynum androsaemifolium subsp. pumilum C. B. Wolf 1934-7-6 s.n. Siskiyou West side of Mt Shasta, along Snowline road, 3.3 miles from Mt. Shasta City 1524 Comment
  SD76154  Apocynum cannabinum Helen V. Witham 1969-10-7 581 Siskiyou At bridge to Indian Scotty Campground 10 miles west of Fort Jones 700 Comment
  RSA45334  Apocynum cannabinum Dorothy Parker 1947-7-14 s.n. Siskiyou In Howman s Valley 1204 Comment
  CAS-BOT-BC395154  Aquilegia formosa Mrs. H. P. Bracelin 1931-6-19 407 Siskiyou N side of Mt. Eddy, up from Metcalf's ranch house 1341 Comment
  HSC82254  Aquilegia formosa Thomas W. Nelson, Jane P. Nelson 1980-7-20 6179 Siskiyou Above and to SE of Big Carmen Lake 1738 Comment
  UC166050  Aquilegia formosa Geo. D. Butler 1908-8-9 352 Siskiyou s Marble Valley (hillside) 1828 Comment
  UC166055  Aquilegia formosa Geo. D. Butler 1910-6-17 1576 Siskiyou Humbug Mountain 1219 Comment
  HSC81750  Aquilegia formosa Thomas W. Nelson, Jane P. Nelson 1980-7-19 6199 Siskiyou Along USFS Rd. 41N17 1.0mi junction with Callahan-Cecilville Rd. 1585 Comment
  HSC98160  Aquilegia formosa J. O. Sawyer 1969-7-1 993 Siskiyou Above Paynes Lake Creek 1951 Comment
  HSC69383  Aquilegia formosa var. formosa Maralyn A. Renner 1980-7-24 1954 Siskiyou Pacific Crest Trail above Lily Pad Lake. 1799 Comment
  HSC44499  Arabis breweri var. breweri K. Irwin 1977-5-22 386 Siskiyou On South Fork Salmon River Rd., 4 mi. E of Cecilville Comment
  HSC44933  Arabis breweri var. breweri J. O. Sawyer 1978-6-19 3248 Siskiyou Marble Mtn. Wilderness Area, trail between Timothy Gulch and Harry Hall Gulch 1433 Comment
  CAS-BOT-BC17355  Arabis eschscholtziana Dorothy Parker 1948-6-14 s.n. Siskiyou Plowman's Valley. Rail Creek. 1203 Comment
  CAS-BOT-BC251145  Arabis eschscholtziana R. C. Wenk 2005-7-16 252 Siskiyou Trinity Alps, South Fork of the Salmon River. South end of Big Flat Meadow 1493 Comment
  RSA0125751  Arabis glabra Frederick W. Oettinger 1969-8-18 1420 Siskiyou West side of Horse Range Lake. Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1822 Comment
  RSA0125828  Arabis glabra R. F. Thorne 1969-8-2 63331 Siskiyou Klamath National Forest, Salmon Mountains, Marble Mountain Wilderness Area, high lake basins in the vicinity of English Peak 1159 Comment
  LA210045  Arabis glabra var. glabra W. B. C. after Rollins; 1939-7-21 13710 Siskiyou Bear Springs, Mount Shasta 1523 Comment
  HSC242  Arabis holboellii var. retrofracta William J. Ferlatte 1966-6-22 87 Siskiyou Along the S Fork of the Salmon River between the campground and Carter's 1524 Comment
  UC375279  Arabis holboellii var. retrofracta Geo. D. Butler 1910-6-5 1525 Siskiyou Log Lake Shackleford Creek Comment
  HSC90626  Arabis holboellii var. retrofracta Jennifer Whipple 1977-7-22 2038 Siskiyou Ridgecrest between Dobkins Lake and Dale Creek drainage Comment
  UC1173728  Arabis oregana Joseph P. Tracy 1939-4-29 16267 Siskiyou near Somes Bar (1 mi above mouth of Salmon River) 182 Comment
  RSA0129805  Arabis platysperma P. A. Munz 1960-8-22 24191 Siskiyou Panther Meadows, Mt. Shasta. 2530 Comment
  HSC29138  Arabis platysperma var. howellii Frederick W. Oettinger 1968-8-4 390 Siskiyou Vicinity of English Peak, Marble Mountain Wilderness Area; trail N of Crapo Peak Ridge 2195 Comment
  HSC67832  Arabis sparsiflora J. O. Sawyer, J. Cole 1980-7-22 3826 Siskiyou NW slopes of Cedar Mtn. 1524 Comment
  POM94042  Arabis subpinnatifida Geo. D. Butler 1910-4-17 1194 Siskiyou Near Yreka. Comment
  UC454524  Aralia californica I. J. Condit 1911-7-31 Siskiyou Shasta Springs Comment
  RSA126341  Aralia californica I. L. Wiggins 1955-7-22 s.n. Siskiyou South Fork of Salmon River, 9.5 miles above Cecilville. 1067 Comment
  UC1585411  Arbutus menziesii R. Raiche, K. Zadnik, and H. Forbes 1989-3-10 UCBG 37 Siskiyou 17 km e of Happy Camp (on Hwy 96, Seiad VAlley area); Seiad VAlley area Comment
  CAS-BOT-BC407728  Arceuthobium abietinum Clarence R. Quick 1960-6-29 60 -21 Siskiyou Trestle Road to Hilt, N of Oak Knoll Ranger Station Comment
  SEINET2471230  Arceuthobium abietinum subsp. wiensii R. L. Mathiasen 2008-9-16 2008 -33 Siskiyou 18.4 km W. of Indian Creek road on forest road 17N11 1310 Comment
  SEINET2471231  Arceuthobium abietinum subsp. wiensii R. L. Mathiasen 2008-9-16 2008 -34 Siskiyou 18.4 km W. of Indian Creek road on forest road 17N11 1310 Comment
  CAS-BOT-BC407706  Arceuthobium americanum Peter H. Raven 1956-9-5 10456 Siskiyou North Fork of Sacramento River 2011 Comment
  CDA6781  Arctium minus T. C. Fuller 1960-8-23 4965 Siskiyou ca. 1 mile south of Greenview. 0 Comment
  HSC73232  Arctostaphylos nevadensis Gail Newton 1980-6-20 506 Siskiyou Near Bald Mtn. 1097 Comment
  POM77966  Arctostaphylos nevadensis Geo D. Butler 1908-8-4 101 Siskiyou Head of Shackleford Creek. 1829 Comment
  RSA60638  Arctostaphylos nevadensis I. L. Wiggins 1950-5-28 12373 Siskiyou Above Grouse Creek, about 1.5 miles from Carmen Lake. 1585 Comment
  CAS-BOT-BC46428  Arctostaphylos patula Doris K. Kildale 1929-4-27 7483 a Siskiyou Upper South Fork of Salmon River. Comment
  CAS-BOT-BC46481  Arctostaphylos patula Doris K. Kildale 1928-7-4 5522 Siskiyou Summit of divide between Salmon River & Scott Valley. 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
  RSA604050  Arctostaphylos patula L. C. Wheeler 1935-3-31 3413 Siskiyou Wintoon Butte, south base, near (W of) Mt. Shasta. 1189 Comment
  UCD53415  Arctostaphylos patula A. T. Leiser 1973-3-22 D 2504 Siskiyou Dunsmuir. Comment
  SEINET5460632 Image available Arctostaphylos patula Ross C. Clark, Bob Harvey; Chris Harvey 23912 Siskiyou Town of Mt. Shasta Comment
  HSC68579  Arctostaphylos viscida Maralyn A. Renner 1980-6-23 695 Siskiyou Ridge S of Pacific Crest Trail 1463 Comment
  CAS-BOT-BC47012  Arctostaphylos viscida subsp. viscida Doris K. Kildale 1929-5-31 9162 Siskiyou Cecilville, s. fork Salmon River. Comment
  CAS-BOT-BC384754  Arenaria serpyllifolia var. serpyllifolia Alice Eastwood 1923-5-29 s.n. Siskiyou Cantara Comment
  HSC46315  Arnica cernua J. P. Smith 1976-5-4 8655 Siskiyou On the road to Slater Butte, Klamath National Forest 549 Comment
  UC1299272  Arnica cernua Freed W. Hoffman 1950-7-13 3547 Siskiyou Baldy Lookout North Coast Ranges, Baldy Lookout Comment
  CHSC69067  Arnica chamissonis Vernon H. Oswald; Lowell Ahart 1997-7-28 8805 Siskiyou Large, vernally flooded meadow on the east side of Forest Route 15, 10.9 mi north of Hwy. 89. 1383 Comment
  UC711894  Arnica chamissonis Roxana S. Ferris and Laura Lorraine 1941-8-11 10499 Siskiyou U. S. Highway 97 Grass Lake Station 1554 Comment
  RSA34970  Arnica chamissonis subsp. foliosa Roxana S. Ferris, Laura Lorraine 1941-8-11 10499 Siskiyou Grass Lake Station, on US Hwy 97 1555 Comment
  HSC63258  Arnica cordifolia M. A. Baker 1979-7-31 1099 Siskiyou Johnson's Hunting Ground 2080 Comment
  RSA237480  Arnica cordifolia Frederick W. Oettinger 1969-7-16 1038 Siskiyou SSW of Abbott's Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1799 Comment
  CAS-BOT-BC82550  Arnica discoidea Alice Eastwood 1912-7-23 1338 Siskiyou Cantara Comment
  HSC62592  Arnica discoidea Al Hobart 1967-8-8 Siskiyou Youngs Valley Comment
  HSC62618  Arnica diversifolia Al Hobart 1967-8-17 Siskiyou Young's Valley Comment
  CAS-BOT-BC465595  Arnica mollis Julie Kierstead Nelson; Martin Lenz 2015-6-18 2015 -063 Siskiyou Headwaters of West Fork Parks Creek, 2 mi NNE of China Mountain; 7 mi W of town of Weed 2197 Comment
  JEPS128462  Arnica mollis Julie Kierstead Nelson with Martin Lenz 2015-6-18 2015 -063 Siskiyou Headwaters of West Fork Parks Creek, 2 miles NNE of China Mountain; 7 miles W of town of Weed. Comment
  UC1190275  Arnica nevadensis Ira L. Wiggins 1955-7-27 13562 Siskiyou Caribou Lake Salmon-Trinity Alps Primitive Area 2042 Comment
  UC1494015  Arnica viscosa Gerald B. Straley 1977-6-6 2002 Siskiyou Mt. Shasta (s side) Mt. Shasta 2590 Comment
  UCD70481  Artemisia R. Fernau 1997-6-26 2 Siskiyou Klamath Mountains: Marble Mountain Wilderness. Summit of mountain, mafic metavolcanic rocks, no trees. Taxa with highest cover values: Artemisia arbuscula?, Phlox, Festuca, and Phacelia. 2097 Comment
  RSA261515  Artemisia campestris subsp. borealis J. M. Tucker, L. K. Mann, Sandra Holloway 1963-8-18 3750 Siskiyou SW ridge of Black Mtn (Black Marble Mtn); Marble Mtn Wilderness Areas. 2134 Comment
  CAS-BOT-BC90481  Artemisia douglasiana Elmer I. Applegate 1923-8-21 3922 Siskiyou Willow Creek, south of Lower Klamath Marsh Comment
  HSC1955  Artemisia douglasiana Geo. D. Butler 1910-7-29 1798 Siskiyou Yreka Comment
  CAS-BOT-BC93762  Artemisia furcata K. T. Stillman 1976-7-9 220 Siskiyou Scott Bar quad. Marble Mountain Wilderness Area 2133 Comment
  CAS-BOT-BC90783  Artemisia ludoviciana subsp. ludoviciana John Thomas Howell 1939-8-8 15146 Siskiyou Black Mt., Marble Mts. Comment
  HSC92872  Artemisia tridentata subsp. tridentata Jennifer Whipple 1976-9-4 1805 Siskiyou Dale Creek Drainage on the N face of Mt. Eddy 2226 Comment
  HSC29395  Aruncus dioicus var. acuminatus Frederick W. Oettinger 1969-8-9 1327 Siskiyou Marble Mtn. Wilderness Area, near Five Mile Point and Herr Creek 1098 Comment
  CHSC100006  Aruncus dioicus var. pubescens L. P. Janeway 2008-7-25 9491 Siskiyou Klamath Ranges. Siskiyou Mountains; at Horsetail Falls, along Road 48N20, along upper eastern fork of East Fork Seiad Creek. 1237 Comment
  SEINET11163156 Image available Aruncus sylvester Unknown 1974-8-12 Siskiyou Somes Bar Comment
  CAS-BOT-BC400585  Asarum caudatum Alice Eastwood 1912-7-16 1140 Siskiyou McCloud Comment
  HSC48291  Asarum caudatum J. O. Sawyer, K. T. Stillman 1978-7-6 3294 Siskiyou Along Happy Camp - O'Brien Rd., above Louse Creek. Comment
  JEPS24614  Asarum caudatum Rimo Bacigalupi with Dr. Reino and Dr. Aloha Alava 1958-8-31 6767 Siskiyou Along S.P. (Shasta Route) railway grade in the upper Sacramento River Canyon; in the 1 1/2 mile stretch between Shasta Retreat (at northern ouskirts of Dunsmuir) to Mossbrae Falls and Shasta Springs 731 Comment
  HSC28655  Asarum caudatum Frederick W. Oettinger 1968-8-14 510 Siskiyou Marble Mtn. Wilderness Area, 100 yds. downstream from Tom Taylor Cabin spring 2012 Comment
  SEINET515877  Asclepias fascicularis Vernon H. Oswald 1998-9-8 9601 Siskiyou Julia Glover Flat on USFS 3 ca. 6 air mi W of mosquito Lake and Whitehorse Flat Reservoir. 1113 Comment
  JEPS49824  Asclepias speciosa Willis L. Jepson July 24, 1894 - August 10, 1894 14539 Siskiyou near Sisson; Region of the Upper Sacramento Comment
  UC221739  Asclepias speciosa H. E. Brown Jul 15 1897-Jul 31 1897 493 Siskiyou n side Mt. Shasta 1524 Comment
  CAS-BOT-BC69596  Aspidotis densa Roxana S. Ferris; Laura Lorraine 1948-6-12 11794 Siskiyou Scott Mountain Road s. of Callahan. Comment
  POM145516  Aspidotis densa J. B. Feudge 1927-7-22 1614 Siskiyou Trail to Mountain Eddy. 1067 Comment
  UC1478239  Aspidotis densa Nancy Morin with J. Richards 1981-7-18 307 Siskiyou Little Castle Lake Comment
  RSA417679  Aster integrifolius L. C. Wheeler 1934-8-14 3119 Siskiyou 1 mile west of White Mt., Siskiyou Mts. 1921 Comment
  UCR139080  Aster ledophyllus Jennifer Whipple 1977-8-4 2158 D Siskiyou Klamath Mountains, Wagon Creek drainagee on the E face of Mount Eddy 2226 Comment
  SEINET10799400 Image available Aster occidentalis var. occidentalis Edwin B. Copel 1903-9-7 Copeland 3867 Siskiyou Mt. Eddy. 2743 Comment
  POM39489  Aster torreyi Edward Palmer 1892-7-13 2516 Siskiyou Mount Shasta and vicinity Comment
  CAS-BOT-BC178806  Astragalus californicus T. S. Brandegee 1887-6-1 s.n. Siskiyou Near Yreka Comment
  CAS-BOT-BC178814  Astragalus californicus L. E. Smith 1915-5-30 s.n. Siskiyou Weed Comment
  CAS-BOT-BC178760  Astragalus canadensis var. brevidens Alice Eastwood; John Thomas Howell 1940-6-14 82 Siskiyou 5 miles W. of Tulelake 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-BC182968  Astragalus filipes Elmer I. Applegate 1935-6-5 9331 Siskiyou Capt. Jack's Stronghold, Lava Beds National Monument Comment
  NY658494  Astragalus filipes E. L. Greene 1876-6-14 847 Siskiyou Near Yreka Comment
  HSC82565  Astragalus purshii var. lectulus Thomas W. Nelson, Jane P. Nelson 1979-5-26 4725 Siskiyou Along Hwy. 3, N of Scott Mtn. Summit, at junction with FS Rd. 40N03 1524 Comment
  UC160959  Astragalus purshii var. lectulus Harley P. Chandler June, 1901 1679 Siskiyou Marble Mountain; North Coast Ranges, Marble Mountain 2438 Comment
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Oct 30 2007
  CAS-BOT-BC193067  Astragalus purshii var. tinctus Roxana S. Ferris; Laura Lorraine 1948-6-12 11710 Siskiyou Schoolhouse Hill, Plowman's Valley [Noyes Valley], east fork of Scott River Comment
  UC69534 Image available Astragalus purshii var. tinctus T. H. Gilbert Jun 15 1899-Jul 15 1899 Siskiyou Scott River Valley Comment
  CAS-BOT-BC192980  Astragalus purshii var. tinctus D. M. Traugh 1933-5-22 52 Siskiyou Klamath National Forest. Near Humbug Creek 914 Comment
  HSC71340  Astragalus whitneyi var. siskiyouensis J. P. Smith 1974-5-26 7384 Siskiyou Along FS Rd. 47N03 1524 Comment
  UC1561941  Astragalus whitneyi var. siskiyouensis Barbara Ertter 1985-5-30 5758 Siskiyou on Hwy 3 se of Callahan 2.6 mi n Scott Mt. Summit; n of Scott Mt. summit, se of Callahan 1402 Comment
  CAS-BOT-BC198707  Astragalus whitneyi var. siskiyouensis A. A. Heller 1915-8-26 12220 Siskiyou Near the source of Wagon Creek, Mt. Eddy 2590 Comment
  CAS-BOT-BC68750  Athyrium alpestre var. americanum Gilbert J. Muth 1969-8-7 1270 Siskiyou Boulder Peak Ridge 2468 Comment
  CAS-BOT-BC66188  Athyrium filix-femina var. cyclosorum Edward Lee 1934-8-11 1037 Siskiyou Walker Creek, a tributary of the Klamath River (east end of Seiad Valley) 609 Comment
  CAS-BOT-BC66183  Athyrium filix-femina var. cyclosorum W. B. C. 1940-8-5 15407 Siskiyou in the Wagon Camp spring area 1737 Comment
  RSA422252  Atriplex L. C. Wheeler 1934-10-21 3329 Siskiyou Shasta Valley 4 mi E Grenada 869 Comment
  CHSC72231  Atriplex heterosperma Vernon H. Oswald; Lowell Ahart 1998-9-16 9649 Siskiyou Tour Route at Lower Klamanth NWR 3 mi south of Hwy. 161. 1243 Comment
  RSA245302  Atriplex rosea J. P. Smith, J. Sawyer 1972-9-14 5796 Siskiyou Miners Creek Road just south of French Creek Road between Callahan and Etna 915 Comment
  RSA210852  Atriplex subspicata R. F. Thorne, J. Henrickson, C. W. Tilforth 1969-9-3 39031 Siskiyou Hwy 161 at N edge of White Lake, 13.5 miles E of junction of Hwy 97 and 161. 1280 Comment
  UC204767  Avena fatua Geo. D. Butler 1909-6-27 849 Siskiyou Shasta River bluffs Comment
  CAS-BOT-BC106539  Balsamorhiza deltoidea Geo. D. Butler 1910-4-16 1180 Siskiyou Klamath Hills Comment
  HSC67942  Balsamorhiza deltoidea J. P. Smith 1973-5-5 6416 Siskiyou Along Cook and Green Pass Rd. Comment
  UC585252  Balsamorhiza deltoidea E. B. Babcock, G. L. Stebbins Jr. 1936-6-13 1995 Siskiyou 1 1/2 mi w of, e and ne slope of spur of Rainbow Ridge above Sulloway Creek Mt. Shasta City; Rainbow Ridge 1180 Comment
  HSC96813  Balsamorhiza deltoidea S. Lyon, J. McIntire 2006-6-25 29 Siskiyou 200 ft. W of intersection of FS 39N14 and 39N04 1616 Comment
  CAS-BOT-BC100048  Balsamorhiza hookeri Lincoln Constance; Reed C. Rollins 1942-5-14 2919 Siskiyou One mile east of Yreka 762 Comment
  CAS-BOT-BC100063  Balsamorhiza lanata Geo. D. Butler 1959-4-14 635 Siskiyou hills, Yreka Comment
  CAS-BOT-BC100104  Balsamorhiza sagittata Elmer I. Applegate 1935-6-8 9439 Siskiyou Bear Paw Cave, Lava Beds National Monument Comment
  RSA211344  Barbarea orthoceras William J. Ferlatte 1966-6-22 94 Siskiyou Along the South Fork of the Salmon River between the campground and Carter s. Trinity Alps. 1524 Comment
  UCD77420  Barbarea orthoceras Robert E. Preston 2001-6-30 1642 Siskiyou Klamath National Forest, north slope of Rainbow Mountain, T42N R1W se 1/4 of nw 1/4 Section 14 1722 Comment
  POM94780  Barbarea orthoceras Geo. D. Butler 1910-7-7 1659 Siskiyou Shackleford Creek. 1220 Comment
  CAS-BOT-BC145847  Beckmannia syzigachne Dorothy Parker 1950-6-21 s.n. Siskiyou Scott Valley (Fay Lane). 853 Comment
  CAS-BOT-BC400049  Berberis Doris K. Kildale 1928-7-25 5908 Siskiyou Klamath River - Mack's Creek near Hamburg Comment
  CAS-BOT-BC75730  Berberis nervosa Geo. D. Butler 1910-5-5 1287 1/2 Siskiyou Humbug Creek. Comment
  UC164979  Berberis nervosa Geo. D. Butler 1908-8-22 540 Siskiyou Eldridges' Corral, Russian Creek Eldridges' Corral Comment
  UC165959  Berberis nervosa Geo. D. Butler 1910-5-5 1287 1/2 Siskiyou <Hanby Creek> Comment
  UC1001148  Berberis vulgaris Dorothy Parker 1952-5-24 4 Siskiyou Low hillsides on Quartz Valley (Mill Creek) 883 Comment
  UC1192188  Bidens cernua Verne Grant and Irving Schneider 1947-8-26 8295 Siskiyou irrigation ditch w of Tule Lake Comment
  CAS-BOT-BC102119  Bidens cernua A. A. Heller 1914-8-25 11718 Siskiyou Granite sand near Deetz station opposite Black Butte 1158 Comment
  UC61669  Bidens frondosa Geo. B. Grant 1902-9-1 5278 Siskiyou Mt. Shasta, Pacific Coast Pacific Coast, Mt. Shasta 0 Comment
  CAS-BOT-BC413079  Bistorta bistortoides W. R. Dudley 1893-6-18 s.n. Siskiyou Sisson's Comment
  HSC34009  Blepharipappus scaber J. P. Smith 1974-5-25 7506 Siskiyou Along Rd. 8, 2.4 mi. W of its junction with Hwy. 3 976 Comment
  JEPS82691  Boechera breweri Steve Edwards 1984-6-7 Siskiyou South China Mtn. 2286 Comment
  SEINET193232  Boechera breweri Lincoln Constance, Reed C. Rollins 1942-5-13 2902 Siskiyou Klamath River near Clear Creek, 8 miles south of Happy Camp. 305 Comment
  SEINET197954  Boechera breweri T. Howell 1884-6-17 Siskiyou Siskiyou Mts. Comment
  UC198717  Boechera breweri Annie M. Alexander and L. Kellogg 1911-6-28 200 Siskiyou Wildcat Pk. Comment
  SEINET12783915  Boechera breweri subsp. shastaensis D. W. Taylor 1996-5-30 15645 Siskiyou Hill summit just north of Wanaka Spring, Iron Gate Reservoir (about 20 miles east of Yreka, Klamath National Forest 914 Comment
  CAS-BOT-BC13809  Boechera howellii William Bridge Cooke 1941-8-14 16177 Siskiyou Mount Shasta. Above Horse Camp. 2743 Comment
  UCD114342  Boechera howellii Robert E. Preston 1984-7-26 495 Siskiyou Green Butte, on s slope of Mt. Shasta. Comment
  UCD114343  Boechera howellii Robert E. Preston 1996-7-23 980 Siskiyou 1 mi e of Medicine Lake. 2072 Comment
  UC1190114  Boechera platysperma Ira L. Wiggins 1955-7-27 13534 Siskiyou Caribou Lake Salmon-Trinity Alps Primitive Area 2042 Comment
  CAS-BOT-BC14671  Boechera rectissima Marion Ownbey; Fred G. Meyer 1940-7-3 2161 Siskiyou 5 miles northwest of McCloud. Comment
  CAS-BOT-BC25413  Boechera retrofracta George Dexter Butler 1910-7-8 1663 Siskiyou Log Lake-Shackleford Creek. 1219 Comment
  CAS-BOT-BC25612  Boechera retrofracta John Thomas Howell 1937-7-26 13570 Siskiyou Salmon River Gulch. Between Big Flat and Caribou Gulch. Comment
  CAS-BOT-BC410946  Boechera sparsiflora Geo. D. Butler 1910-4-16 1178 Siskiyou Klamath hills Comment
  UCD114377  Boechera sparsiflora Wm. E. Moon 1958-5-29 s.n. Siskiyou State Hwy. 97, 12 miles northeast of Weed. 1219 Comment
  CAS-BOT-BC25921  Boechera suffrutescens George Dexter Butler 1910-7-9 1705 Siskiyou Dryland Shackleford Creek. 1219 Comment
  RSA43885  Boisduvalia densiflora var. densiflora H. M. Pollard 1948-8-11 s.n. Siskiyou Irving Creek, near Somes Bar. Comment
  SEINET10585318  Bolboschoenus maritimus George D. Butler 1910-8-21 Butler 1847 Siskiyou Shasta Valley. Comment
  SEINET3296901 Image available Boschniakia strobilacea Marion Ownbey, Fred G. Meyer 1940-7-7 2220 Siskiyou Summit of Cayenne Ridge, Marble Mountain. Comment
  CDA25391  Boykinia major var. major T. C. Fuller, Don Shaw 1974-9-24 20022 Siskiyou Siskiyou Mountains.; Reeves Ranch Springs, east of White Mountain. 0 Comment
  CAS-BOT-BC127860  Brickellia grandiflora W. R. Dudley 1901-8-22 s.n. Siskiyou Bear Canon -- west of Foxtail Ridge -- Salmon Mts. Comment
  CHSC63594  Brickellia greenei Vernon H. Oswald; Lowell Ahart 1994-8-1 6417 A Siskiyou Forest Rd. 26 paralleling the South Fork of the Sacramento River, 1.5 mi E of Forest Rd. 40N43, 7.8 mi SW of the dam at Lake Siskiyou. 1341 Comment
  CAS-BOT-BC127714  Brickellia greenei L. E. Smith 1915-7-1 s.n. Siskiyou Castella Comment
  NY162750  Brickellia greenei E. L. Greene 1870-8-24 1012 Siskiyou On South Fork of Scott River Comment
  UC3257  Brodiaea coronaria subsp. coronaria Miss Edmonds 1890-7-8 Siskiyou Comment
  CAS-BOT-BC149054  Bromus carinatus var. carinatus R. E. Frenkel 1963-7-13 223 Siskiyou On Everitt Memorial Highway, 0.4 mile north of McCloud River Railroad crossing near Mount Shasta. 1176 Comment
  CHSC60566  Bromus carinatus var. carinatus L. P. Janeway 1983-8-16 550 Siskiyou Siskiyou Mountains; at Poker Flat. 1524 Comment
  UC1037090  Bromus carinatus var. carinatus Leo Whitney 1934-6-29 2220 Siskiyou Tennant 1524 Comment
  UC1130981  Bromus carinatus var. carinatus H. S. Yates 1936-6-21 5832 Siskiyou 1 mi w of Signal Butte 1341 Comment
  UC1265361  Bromus carinatus var. carinatus F. W. Oettinger 1969-8-18 1424 Siskiyou Horse Range Lake, Salmon Mountains, western Siskiyou County Horse Range Lake; Salmon Mountains, Horse Range Lake 1821 Comment
  CAS-BOT-BC148794  Bromus carinatus var. marginatus K. T. Stillman 1976-7-23 305 Siskiyou Marble Mountain Wildnerss Area. 2011 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
  UC204778  Bromus hordeaceus Geo. D. Butler 1909-5-22 818 Siskiyou near Yreka Comment
  UC618657  Bromus hordeaceus W. Bridge Cooke 1938-7-15 11216 Siskiyou above Bear Springs (Mount Shasta); Mount Shasta 1676 Comment
  CHSC91358  Bromus japonicus Lowell Ahart; John Dittes 2005-6-9 12009 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
  RSA239067  Bromus marginatus Frederick W. Oettinger 1969-8-13 1351 Siskiyou Southeast ridge of English Peak. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2134 Comment
  HSC30540  Bromus orcuttianus Frederick W. Oettinger 1968-9-2 664 Siskiyou Marble Mountain Wilderness Area, on the SW side of Upper English Lake 1869 Comment
  UCD59243  Bromus orcuttianus Joseph P. Tracy 1950-7-18 19219 Siskiyou Prospect Hill, 3 miles (airline distance) NW from mouth of Salmon River. 1097 Comment
  UC166002  Bromus racemosus Geo. D. Butler 1909-5-21 817 Siskiyou near Yreka Comment
  JEPS69218  Bromus secalinus Geo. D. Butler 1909-6-5 826 Siskiyou near Yreka Comment
  HSC30545  Bromus suksdorfii Frederick W. Oettinger 1969-9-2 1588 Siskiyou Marble Mtn. Wilderness Area, Bear Meadow near Tom Taylor Cabin 2027 Comment
  CHSC86643  Bromus tectorum Jenny Marr 1993-7-1 26 Siskiyou Butte Valley Wildlife Area, +/- 7 air miles NW of the town of MacDoel. Meadow NW of Meiss Lake. 1349 Comment
  HSC103037  Bromus tectorum J. P. Smith 2014-6-7 13895 Siskiyou Along State Route 3 at its junction with the East Fork of the Scott River 994 Comment
  HSC68483  Bromus tectorum Maralyn A. Renner 1980-6-10 878 Siskiyou Ridge 1 mi. S of Greenhorn Rd. and 1 mi. E of Mill Creek 1341 Comment
  UCD60248  Bromus vulgaris R. Tofsrud 1948-8-1 s.n. Siskiyou : Near summit of road from Happy Camp to O'Brien, Oregon. Comment
  CAS-BOT-BC185254  Calamagrostis koelerioides Ira L. Wiggins 1955-7-27 13558 Siskiyou Caribou Lake, Salmon Trinity Alps Primitive Area. 2042 Comment
  CAS-BOT-BC185263  Calamagrostis koelerioides Doris K. Kildale 1928-8-20 6621 Siskiyou Hancock Lookout, on trail to Marble Mountain. 2151 Comment
  HSC25492  Calamagrostis koelerioides J. P. Smith, J. O. Sawyer, M. O'Mera 1972-7-3 5719 Siskiyou E slope of Kangaroo Mtn., above Toehead Lake. 1890 Comment
  HSC30660  Calamagrostis koelerioides Frederick W. Oettinger 1969-9-3 1614 Siskiyou Marble Mtn. Wilderness Area, Shasta Ridge, N slope of English Peak 2073 Comment
  UC1483470  Calamagrostis koelerioides Maralyn A. Renner 1980-8-7 2428 Siskiyou ridge s Preston Peak; Klamath National Forest, Preston Peak Quad. 1950 Comment
  UCD57320  Calamagrostis koelerioides A. A. Heller 1915-8-26 12243 Siskiyou north side of Mt. Eddy. Comment
  CAS-BOT-BC85737  Calocedrus decurrens Wm. Bridge Cooke 1938-9-2 11592 Siskiyou Sisson Southern Trail 1524 Comment
  CAS-BOT-BC85739  Calocedrus decurrens Doris K. Kildale 1929-7-20 8679 Siskiyou Raspberry Lake, near east spur Preston Peak Comment
  SBBG15287  Calochortus coeruleus H. and M. Dearing 1939-7-1 3793 Siskiyou Salmon Mtn summit 1828 Comment
  NY319580  Calochortus elegans var. oreophilus F. M. Ownbey 1938-7-19 1748 Siskiyou 2.5 miles NE of Dry Lake Lookout, summit of Siskiyou Mts. Comment
  SEINET8214322  Calochortus longebarbatus Unknown 1989-9-3 587 Siskiyou Tom Young Flat; ca. 2 mi. nw of Pondosa. 1292 Comment
  CHSC71611  Calochortus nudus Vernon H. Oswald; Lowell Ahart 1998-8-3 9443 Siskiyou Near the Pacific Crest Trail in the Scott Mtns. West of Kangaroo Lake. 1981 Comment
  UC160447  Calochortus nudus I. J. Condit 1911-7-15 Siskiyou McCloud Comment
  HSC49930  Calochortus persistens G. L. Clifton, Ground 1978-6-18 1270 Siskiyou Near Humbug close to the town of Yreka 1353 Comment
  CAS-BOT-BC132626  Calochortus uniflorus Wayne Roderick 1967-7-25 s.n. Siskiyou Cabin Meadow, n. of Cory Peak, Scott Mts. 1828 Comment
  UC199253  Caltha biflora Annie M. Alexander and Louise Kellogg 1911-6-22 177 Siskiyou Jackson Lake. 1798 Comment
  JEPS84229  Caltha biflora L. R. Heckard with J. Hickman 1986-7-16 6443 Siskiyou Lily Pad Lake, SE of Red Butte, ca 5 mi N of the town Seiad Valley. 1770 Comment
  CAS-BOT-BC181507  Caltha leptosepala L. E. Smith 1913-9-1 556 Siskiyou Mt. Eddy Comment
  HSC61821  Caltha leptosepala Al Hobart 1968-6-21 Siskiyou Poker Flat 1585 Comment
  UC595108  Calycadenia fremontii David D. Keck 1938-8-7 4851 Siskiyou Schoolhouse Hill, 5.5 mi ne of Callahan, on road to GAzelle 1100 Comment
  RSA788202  Calycadenia truncata R. L. Carr 1977-7-2 2010 Siskiyou Along Klamath River exit of I-5, 12 mi N of Yreka. 641 Comment
  HSC26561  Calyptridium monospermum J. P. Smith, J. O. Sawyer 1972-8-20 5753 Siskiyou Slope of Mt. Hoffman 2134 Comment
  SBBG30589  Calyptridium umbellatum D. Myrick 1968-6-27 2043 Siskiyou trail to Lake Josephine above Carter's Ranch, 5 mi S of Big Flat, head of Coffee Crk 1828 Comment
  UC221534  Calystegia occidentalis subsp. occidentalis H. E. Brown June 1-10 1897 282 Siskiyou near Sisson; near Sisson 1083 Comment
  RSA12608  Camelina microcarpa C. B. Wolf 1934-7-6 5977 Siskiyou 1/4 mile east of Mt. Shasta City, southwest slope of Mt. Shasta 1098 Comment
  SEINET10462862  Campanula prenanthoides Clifton 1975-8-1 CLIFTON s.n. Siskiyou NR COOK & GREEN PASS, SEIAD VAL. QUAD., NR SEIAD V. 4800', ROADSIDE, COBBLY SOIL Comment
  SEINET10463097  Campanula prenanthoides Muth 1979-8-10 MUTH 13329 Siskiyou Near Little Mill Creek, on the Etna quadrangle; close to the town of Callahan, granitic 1707 Comment
  SEINET10873248  Campanula prenanthoides Clifton 1978-7-18 CLIFTON 2285 Siskiyou NR STATE LINE, CAVE JCT QUAD., NR CAVE JCT. 4849', RIDGE TOP Comment
  SEINET10939000  Campanula prenanthoides Clifton 1978-6-20 CLIFTON 1415 Siskiyou NR O'NEIL CREEK, SEIAD V. QUAD., NR SEIAD V. 1499', ROAD CUT, BOULDERS Comment
  JEPS60248  Campanula prenanthoides L. R. Heckard with L. Constance and R. Ornduff 1969-7-25 2313 Siskiyou near Fall Creek Inn (along Gilman Road, between the Sacramento and McCloud arms of Shasta Lake); Shasta Lake 396 Comment
  SEINET10463065  Campanula prenanthoides Van Deventer VAN DEVENTER s.n. Siskiyou PRESTON PEAK QUAD, YOUNGS VALLEY. T17N R5E SECS 9, 10 & 16 Comment
  SEINET10463333  Campanula prenanthoides Mize 1972-8-17 MIZE 103 Siskiyou FORKS OF SALMON R QUAD, S OF GATES CREEK. T12N R7E Sec. 20 488 Comment
  JEPS104783  Campanula rotundifolia Dean W. Taylor 1996-7-11 15780 Siskiyou Scott Mountains; West Park Lakes (about 15 air miles west of Weed); Shasta-Trinity National Forest 2194 Comment
  JEPS97192  Campanula rotundifolia Julie Kierstead Nelson with Maria Ulloa-Cruz 1995-8-22 95044 Siskiyou 1 1/2 mi W of The Eddys (on Parks Creek Road (Rd. 17); W slope of Parks Creek drainage); Shasta-Trinity National Forests, Mt. Shasta Ranger District 1737 Comment
  RSA456187  Campanula rotundifolia M. B. Dunkle 1945-7-19 9220 Siskiyou Klamath Natl. Forest. Marble Mts. Southern exposure, Marble ledge Comment
  SEINET10873043  Campanula rotundifolia Edwin B. Copel 1903-9-7 Copeland 3852 Siskiyou Mount Eddy Comment
  SEINET10463374  Campanula scabrella Clifton 1978-7-26 CLIFTON 6421 Siskiyou NEAR DEADFALL, CHINA MT QUAD., IN CONIFER FOREST 2341 Comment
  POM59313  Campanula scouleri E. B. Copeland 1903-8-17 3911 Siskiyou Mt. Eddy. 1311 Comment
  RSA264953  Campanula scouleri G. L. Clifton 1975-7-29 5043 Siskiyou Copper Butte. Near Seiad Valley. 1415 Comment
  SEINET10463435  Campanula scouleri A. Arthur Heller 1915-7-18 Heller 12106 Siskiyou METCALF'S RANCH, NE BASE OF MT EDDY, MOIST SOIL 1189 Comment
  SEINET10972077  Campanula scouleri Hemphill 1970-8-11 HEMPHILL s.n. Siskiyou SANGER LAKE MONTANE FOREST 1524 Comment
  CAS-BOT-BC266457  Campanula wilkinsiana Allen Barbour 1961-8-1 s.n. Siskiyou Near Upper Caribou Lake, Trinity Alps Comment
  CAS-BOT-BC266465  Campanula wilkinsiana A. A. Heller 1920-8-12 13518 Siskiyou About the spring above Horse Camp, Mount Shasta Comment
  UC334031  Campanula wilkinsiana unknown 1888-9-12 Siskiyou springs near, w slope of mountain Horse Camp; Mt. Shasta Comment
  CAS-BOT-BC266461  Campanula wilkinsiana W. B. C. 1939-8-24 13894 Siskiyou Mount Shasta. Along the creeks in Squaw Valley Creek meadows Comment
  SEINET10463879  Campanula wilkinsiana Prouty 1979-8-14 PROUTY 79 .40 Siskiyou CREEKSIDE, COLD CREEK, E SLOPE OF MT. SHASTA T41N R2W SEC. 20 NE 1/4 1890 Comment
  CAS-BOT-BC37224  Cardamine angulata Alice Eastwood 1923-5-18 11838 Siskiyou Shasta Springs. Comment
  HSC68475  Cardamine californica Maralyn A. Renner 1980-6-26 1218 Siskiyou SE edge of Flint Valley. 1390 Comment
  CAS-BOT-BC37796  Cardamine nuttallii George Dexter Butler 1909-3-22 566 Siskiyou Slyva. Oro Fino. Comment
  CHSC48061  Carex L. P. Janeway 1983-8-28 633 Siskiyou At Poker Flat. S edge of mdw bordering forest. 1524 Comment
  CAS-BOT-BC19764  Carex abrupta John Thomas Howell 1939-8-1 15192 Siskiyou Marble Mountains. Sky High Valley. 1828 Comment
  CAS-BOT-BC19771  Carex abrupta Louis C. Wheeler 1935-7-26 3718 Siskiyou Siskiyou Mountains. Jaynes Canyon. 1950 Comment
  JEPS63590  Carex abrupta B. C. Goldsmith 1916-9-29 28 Siskiyou Meadow, Medicine Lake Comment
  SEINET7273505 Image available Carex amplifolia A. A. Heller 1905-6-5 7982 Siskiyou Between Shasta Retreat and Shasta Springs Comment
  UC1195514  Carex angustata Geo. D. Butler 1909-6-22 855 Siskiyou Goosenest foothills Comment
  HSC37138  Carex bolanderi J. O. Sawyer 1969-7-9 1214 Siskiyou Near C.C.C. road, N of Sugar Creek 1433 Comment
  SEINET4110850  Carex bolanderi D. W. Taylor 2005-1 19401 Siskiyou Wagon Camp; along Forest Road 40N25, Panther Creek Drainage, Mount Shasta. 1685 Comment
  CAS-BOT-BC19558  Carex bolanderi Melissa A. Berry 1957-7-11 s.n. Siskiyou Sugar Creek CCC Road, west of Callahan. 1463 Comment
  CAS-BOT-BC31047  Carex bolanderi William Bridge Cooke 1940-8-2 15404 Siskiyou Mt Shasta, Along the creeks at Bear Springs. 1524 Comment
  JEPS25656  Carex bolanderi Rimo Bacigalupi with Mr. and Mrs. Van Deventer 1959-7-10 7299 Siskiyou 4 air0line mi nne Preston Peak (just e of Del Norte County line); Siskiyou Mts., Twin Valley, watershed of Indian Creek 1493 Comment
  UC642557  Carex brainerdii J. W. Stacey 1939-8-10 13819 Siskiyou in the bed of Mud Creek Canyon Mud Creek Canyon Comment
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Mar 22 2008
  HSC77170  Carex brainerdii L. P. Janeway 1983-6-25 341 Siskiyou Bluff above Klamath River, E side, near Independence Creek Bridge 274 Comment
  UC618743  Carex breweri W. Bridge Cooke 1938-8-18 11498 Siskiyou Horse Camp Slopes Mount Shasta 2514 Comment
  SEINET10648318  Carex breweri Charles F. Baker 1903-7-16 Baker 3517 Siskiyou Mount Shasta. 3170 Comment
  SEINET7556603 Image available Carex deflexa var. boottii Unknown 1969-8-6 1227 Siskiyou Salmon Mountains The high lake basins in the vicinity of English Peak Marble Mountains Wilderness Area. Southwest of Pine Lake. 1905 Comment
  CAS-BOT-BC20747  Carex fracta William Bridge Cooke 1938-6-24 11085 Siskiyou Mt. Shasta. 1524 Comment
  HSC86564  Carex fracta D. K. Imper 1987-7-23 Siskiyou 8 mi. E of Somes Bar 1372 Comment
  CAS-BOT-BC20749  Carex fracta Alice Eastwood; John Thomas Howell 1937-6-26 5058 Siskiyou Near Fork of Salmon Comment
  HSC95502  Carex halliana V. H. Oswald, R. Ondricek-Fallscheer 1996-7-12 8009 Siskiyou Junction of roads to Schonchin Spring and Little Mt. Hoffman at W end of Medicine Lake 2049 Comment
  UC1576728  Carex halliana Dean Wm. Taylor, Glenn L. Clifton, Rexford E. Palmer 1987-8-9 9269 Siskiyou on floor of Alcohol Crater Medicine Lake area 2072 Comment
  SEINET10650708  Carex halliana Taylor 1987-8-9 Taylor 9269 Siskiyou Medicine Lake Area, extreme northeastern portion of county. Common on white pumice on floor of Alcohol Crater, SE 1/4 Section 7, T43N, R4E. Under Pinus contorta canopy, with few other herbaceous taxa: Eriogonum marifolium, Penstemon cinicola, Juncus balticus. Comment
  SEINET10367310  Carex hassei P. F. Zika 2011-7-31 25668 Siskiyou FS Rd 42N03, 1.6 road miles from junction with Gazelle-Callahan Rd. 1.5 air miles NE Mountain House, 3.5 air miles NW of Crater Lake, Scott Mts. 1600 Comment
  UCD77474  Carex heteroneura Robert E. Preston 2001-6-30 1667 Siskiyou Klamath National Forest, north slope of Rainbow Mountain, n of Hemlock Lake. 1853 Comment
  CHSC39001  Carex hoodii J. D. Jokerst 1983-7-5 1827 Siskiyou Along the upper margin of the NE corner of Atkin's Meadow. Ca 15 air miles E. of McCloud. Comment
  CHSC96166  Carex hoodii L. P. Janeway 2006-7-1 8720 Siskiyou Klamath Ranges. Salmon Mountains; just west of Carter Meadow, north side of South Fork Salmon River. Small open dry meadow along road with seepy ditch along upper road edge. 1579 Comment
  UCR39770  Carex hoodii L. P. Janeway 1982-7-2 35 Siskiyou Poker Flat, end of road 18N33. At a raised drier spot in upper part of the meadow. 1524 Comment
  SEINET7561712 Image available Carex hoodii John Thomas Howell 1937-7-21 13196 Siskiyou South Fork of Salmon River near Big Flat. 1524 Comment
  RSA0089764  Carex inops subsp. inops Dean Wm. Taylor 2014-5-29 21481 Siskiyou Mt. Shasta; southeastern flank of the base of the mountain, Squaw Valley Creek watershed. 1664 Comment
  SEINET4292187 Image available Carex integra Unknown 2006-1 8775 Siskiyou Klamath Range. Salmon Mountains; south side of upper Carter Meadows 0.5 km west of Carter Meadows Summit. Deadman Peak 7.5' quad. Comment
  SEINET7562450 Image available Carex integra John Thomas Howell 1939-8-7 15121 Siskiyou Sky High Valley, Marble Mts. 1829 Comment
  RSA14330  Carex interior Elmer I. Applegate 1895-5-28 785 Siskiyou Sisson, Strawberry Valley. Comment
  HSC76815  Carex laeviculmis L. P. Janeway 1982-8-15 144 Siskiyou Below Echo Lake 1646 Comment
  HSC76371  Carex lenticularis var. impressa L. P. Janeway 1982-8-13 123 Siskiyou Springy bench above and on NE side of Bear Creek, along the trail 1616 Comment
  CAS-BOT-BC31436  Carex leporinella Louis C. Wheeler 1934-8-9 3087 Siskiyou Jaynes Canyon. 1981 Comment
  HSC73327  Carex leptopoda Gail Newton 1980-6-20 491 Siskiyou Near Bald Mtn. 1097 Comment
  JEPS121605  Carex luzulina Jennifer Buck, Deborah Stout 2011-8-23 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. TL03B Comment
  UCD77472  Carex luzulina Robert E. Preston 2001-7-21 1747 Siskiyou Klamath National Forest, north slope of Rainbow Mountain. 2066 Comment
  UCD140536  Carex luzulina J. M. Tucker 1950-7-23 1944 Siskiyou Panther Meadows, Mount Shasta. 2407 Comment
  UC1598403  Carex luzulina var. luzulina Ron Mastrogiuseppe, Joy Mastrogiuseppe 1986-8-2 4456 Siskiyou Panther Meadow on s side of mountain Shasta National Forest, Mt. Shasta Comment
  UC1147831  Carex mariposana John Thomas Howell 1937-7-25 13488 Siskiyou Caribou Basin, Salmon- Trinity Alps 1981 Comment
  HSC68461  Carex mendocinensis Maralyn A. Renner 1980-7-4 1455 Siskiyou Clear Creek Trail, N of Trout Camp 1037 Comment
  CAS-BOT-BC31837  Carex microptera John Thomas Howell 1937-7-22 13252 Siskiyou South Fork of Salmon River near Big Flat. 1524 Comment
  UCD140645  Carex microptera John Thomas Howell 1939-8-5 15082 Siskiyou Spirit Lake, Marble Mountains. 1828 Comment
  UC909344  Carex multicaulis Ira L. Wiggins 1950-5-28 12363 Siskiyou ca 1.5 mi e Scott Mt. Road; Carmen Lake 1737 Comment
  RSA364654  Carex multicaulis J. P. Smith 1973-5-5 6395 Siskiyou In and around the O Neill Campground near Seiad Valley. 488 Comment
  HSC76810  Carex multicostata L. P. Janeway 1982-8-13 130 Siskiyou Along trail S from Bear Lake 1890 Comment
  RSA237308  Carex multicostata Frederick W. Oettinger, Robert F. Thorne 1969-8-6 1244 Siskiyou Pine Lake Meadows. Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1845 Comment
  UC618742  Carex nervina J. W. Stacey 1938-7-15 11255 Siskiyou Wagon Camp Mount Shasta Comment
  CHSC40159  Carex nudata L. P. Janeway 1983-7-2 355 Siskiyou Along northwest shore of Klamath River ca 1 mile west of Seiad Creek. 411 Comment
  CHSC40164  Carex nudata L. P. Janeway 1983-8-19 564 Siskiyou Along the south side of the Klamath River near Hornbrook. 640 Comment
  SEINET7569408 Image available Carex nudata Frederick W. Oettinger 1968-9-5 709 Siskiyou Salmon Mountains, High Lake Basins in the vicinity of English Peak Marble Mountain Wilderness Area, south end of Diamond Lake. 2073 Comment
  HSC71131  Carex pachystachya Thomas W. Nelson, Jane P. Nelson, J. P. Smith 1978-7-24 4497 Siskiyou Along W side of Hwy. 3 just N of Scott Mtn. Summit 1616 Comment
  SEINET8989728 Image available Carex pachystachya Unknown 2006-1 8717 Siskiyou Klamath Ranges. Salmon Mountains; just west of Carter Meadow north side of South Fork Salmon River. Deadman Peak 7.5 quad. Comment
  CAS-BOT-BC118575  Carex praegracilis Lewis Samuel Rose 1937-7-3 37397 Siskiyou Weed. 944 Comment
  JEPS117598  Carex praegracilis Lowell Ahart, John Dittes 2010-7-30 16953 Siskiyou About 50 yards west of the East Louie Road Bridge, about 30 yards west of the Shasta River, 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
  RSA577426  Carex praegracilis L. C. Wheeler 1935-6-30 3633 Siskiyou Shasta Valley, 3 miles S of Grenada. 793 Comment
  CAS-BOT-BC118777  Carex preslii John Thomas Howell 1939-8-2 14907 Siskiyou Spirit Lake, Marble Mts. 1828 Comment
  RSA755707  Carex preslii Barbara Ertter 1990-7-14 9317 Siskiyou East side of Mount Eddy about 4 air miles due west of Mount Shasta City, at streamlet near end of Forest Road 41N53, about 1 mile north of Morgan Meadows 1677 Comment
  CAS-BOT-BC118789  Carex preslii William Bridge Cooke 1938-7-22 11344 Siskiyou Mt. Shasta 1981 Comment
  JEPS63665  Carex raynoldsii Sonis Sorenzen 5 d Siskiyou Medicine Lake Comment
  HSC90440  Carex rossii D. K. Imper Jun 1987 Siskiyou 8 mi. E of town of Mt. Shasta 1829 Comment
  UCD77473  Carex rossii Robert E. Preston 2001-6-23 1548 Siskiyou Klamath National Forest, n slope of Rainbow Mtn, T42N R1W ne 1/4 of se 1/4 Section 14 1828 Comment
  HSC76825  Carex scabriuscula L. P. Janeway 1982-8-14 135 Siskiyou Just E of Elk Wallow 1646 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
  CHSC71608  Carex serratodens Vernon H. Oswald; Lowell Ahart 1998-8-3 9420 Siskiyou Kangaroo Lake Rd. (USFS 41N08) 3.9 mi southeast of Gazelle-Callahan Rd. at its in-tersection with USFS 41N10. 1554 Comment
  UCR246368  Carex serratodens Peter F. Zika 2011-7-7 25546 Siskiyou Klamath Range (KR), West side Route 3, 0.8 miles north of Soap Creek Road, 3.5 air miles NW of Bally Mountain 1000 Comment
  CAS-BOT-BC117690  Carex simulata W. R. Dudley 1893-6-21 s.n. Siskiyou In Peter Klink's Meadow, Sisson Comment
  POM81963  Carex simulata Geo D. Butler 1910-6-5 1475 Siskiyou Shackleford Creek Comment
  SD204750  Carex simulata R. F. Thorne 1969-8-2 63397 Siskiyou Klamath Ranges region: Klamath National Forest, Salmon Mountains, Marble Mountain Wilderness, along trail to English Peak. Comment
  HSC69276  Carex spectabilis Maralyn A. Renner 1980-7-24 2070 Siskiyou Lily Pad Lake 1768 Comment
  JEPS25939  Carex spectabilis B. C. Goldsmith 1916-9-29 28 a Siskiyou Medicine Lake Comment
  RSA238925  Carex spectabilis Frederick W. Oettinger 1968-9-4 700 Siskiyou Slope southeast of Abbott s Lake. Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1723 Comment
  RSA238928  Carex spectabilis Frederick W. Oettinger 1969-8-19 1439 Siskiyou Southwest of Arrow Peak and north of English Peak. Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1936 Comment
  JEPS63652  Carex stipata var. stipata W. L. Jepson July 1894 56 a Siskiyou Sisson Comment
  CAS-BOT-BC117359  Carex stipata var. stipata A. A. Heller 1925-7-13 13897 Siskiyou Swampy place at the State College grounds near the town of Mt. Shasta. Comment
  UC1363  Carex straminiformis W. H. Brewer 1862-9-13 1399 Siskiyou Mt. Shasta 2133 Comment
  RSA21827  Carex straminiformis J. T. Howell 1939-8-8 15149 A Siskiyou Marble Mountains: Black Mountain Comment
  CAS-BOT-BC115858  Carex subfusca Louis C. Wheeler 1934-6-22 2754 Siskiyou Cottonwood Creek. 914 Comment
  CAS-BOT-BC115844  Carex subfusca William Bridge Cooke 1938-8-22 11340 Siskiyou Mt Shasta. 1981 Comment
  POM81964  Carex subfusca Geo D. Butler 1910-6-5 1476 Siskiyou Shackleford Creek Comment
  CAS-BOT-BC115278  Carex utriculata John Thomas Howell 1939-8-9 15197 Siskiyou Sky High Valley, Marble Mts. Comment
  SEINET7579987 Image available Carex vesicaria Ray Tallent 1987-8-12 897 a Siskiyou Klamath National Forest, Long Gulch Lake. 1939 Comment
  UC2046025  Carex viridula var. viridula Barbara L. Wilson with Mary Vance 2004-7-16 11055 Siskiyou Approximately one mile by road north of Crater Creek, in the headwaters of an unnamed tributary of Mountain House Creek, in the Klamath National Forest. Comment
  CAS-BOT-BC59704  Cassiope mertensiana Doris K. Kildale 1929-7-20 8582 Siskiyou E. spur of Preston Peak above Rockefeller Lake. 2133 Comment
  RSA195318  Cassiope mertensiana subsp. ciliolata Gilbert Muth 1967-8-19 725 Siskiyou Red Mountain, Marble Mountains. Comment
  RSA316749  Castilleja angustifolia Patricia Wilder 1965-9-29 4197 -a Siskiyou Lava Beds National Monument; on path leading to top of Schonchin Butte. Tule Lake drainage area. 1494 Comment
  HSC805  Castilleja applegatei William J. Ferlatte 1967-7-25 719 Siskiyou Caribou Basin 2287 Comment
  CHSC4545  Castilleja applegatei subsp. pinetorum J. E. Bowlin 1967-7-18 50 Siskiyou Ca. 10 mi w of Mount Shasta Ski Bowl. 1981 Comment
  RSA211407  Castilleja applegatei subsp. pinetorum William J. Ferlatte 1967-7-26 751 Siskiyou Caribou Basin, Sawtooth Ridge. 2043 Comment
  UC163705  Castilleja applegatei subsp. pinetorum Geo. D. Butler 1910-5-1 1255 Siskiyou near Yreka Comment
  CAS-BOT-BC243767  Castilleja applegatei var. pinetorum Elmer I. Applegate 1935-6-6 9373 Siskiyou Crater of Caldwell Butte, Lava Beds National Monument Comment
  POM255866  Castilleja arachnoidea Marion Ownbey, Ruth Ownbey 1938-7-20 1761 Siskiyou Near Dry Lake Lookout, summit of the Siskiyou Mountains. Comment
  UC1216704  Castilleja arachnoidea W. B. and V. G. Cooke 1962-8-18 33526 Siskiyou near Horse Camp; Mt. Shasta 2377 Comment
  UC885274  Castilleja arachnoidea A. A. Heller 1914-8-28 11740 Siskiyou e side Mt. Eddy 2286 Comment
  HSC12268  Castilleja arachnoidea Richard Spjut 1970-7-24 891 Siskiyou Mt. Shasta above ski lodge 2591 Comment
  POM15507  Castilleja arachnoidea Geo. D. Butler 1910-7-8 1684 Siskiyou Shackleford Creek. 1829 Comment
  JEPS3182  Castilleja attenuata Geo. D. Butler 1909-4-16 634 Siskiyou near Yreka Comment
  UC164365  Castilleja attenuata Geo. D. Butler 1910-5-8 1314 Siskiyou near Yreka Comment
  CAS-BOT-BC254019  Castilleja miniata Alice Eastwood 1903-8-17 3809 Siskiyou Foot of Mt. Eddy 1158 Comment
  POM15464  Castilleja miniata Copeland 1903-8-17 3809 Siskiyou Foot of Mt. Eddy. 1159 Comment
  UC1409380  Castilleja miniata Frederick W. Oettinger 1968-8-6 424 Siskiyou se corner Hancock Lake (vicinity of English Peak); Salmon Mountains, Marble Mountain Wilderness Area 1950 Comment
  CAS-BOT-BC254107  Castilleja miniata J. M. Tucker 1963-8-17 3740 Siskiyou at edge of Red Rock Creek, in vicinity of cabin; lower Red Rock Valley, Marble Mountain Wilderness Area 1493 Comment
  RSA448754  Castilleja miniata M. B. Dunkle 1945-1 9300 Siskiyou Klamath National Forest, Marble Mountains. 2439 Comment
  SBBG25940  Castilleja miniata subsp. miniata D. Myrick 1966-8-8 1484 Siskiyou Josephine Lake, Mountain Meadow Ranch, Big Flat; Trinity Alps 1828 Comment
  UC1409379  Castilleja pruinosa Frederick W. Oettinger 1968-8-2 368 Siskiyou ne of Diamond Lake (vicinity of English Peak); Salmon Mountains, Marble Mountain Wilderness Area, English P 2087 Comment
  JEPS60245  Castilleja pruinosa L. R. Heckard with R. Ornduff 1969-6-24 2310 Siskiyou just w road fork to Copco Lake (along Klamath River); Klamath River Comment
  JEPS2939  Castilleja schizotricha Geo. D. Butler 1908-8-5 423 Siskiyou w of Cold Spring Camp (trail); Woolly Creek; Cold Spring Camp, Woolly Creek, Siskiyou Co. Comment
  CAS-BOT-BC48655  Ceanothus cordulatus Alice Eastwood 1921-7-24 s.n. Siskiyou Castle Lake Comment
  UC585100  Ceanothus cuneatus var. cuneatus E. B. Babcock, G. L. Stebbins Jr. 1936-6-11 1893 Siskiyou ca 2 mi s Yreka 822 Comment
  HSC27646  Ceanothus integerrimus Carl W. Mize 1972-6-8 2 Siskiyou Along main trail 328 Comment
  HSC99931  Ceanothus integerrimus J. P. Smith, & J. O. Sawyer 2011-7-31 13350 Siskiyou Sugar Creek Trail W of Callahan 1463 Comment
  JEPS42428  Ceanothus integerrimus W. L. Jepson 1914-8-14 6170 Siskiyou Dunsmuir 670 Comment
  UC163660  Ceanothus integerrimus Geo. D. Butler 1910-8-7 1819 Siskiyou Humphrey Mountain 1219 Comment
  CAS-BOT-BC50687  Ceanothus integerrimus var. macrothyrsus L. E. Detling 1950-6-8 6586 Siskiyou Dunsmuir 792 Comment
  CAS-BOT-BC50689  Ceanothus integerrimus var. macrothyrsus A. A. Heller 1905-6-1 7926 Siskiyou Between Dunsmuir and Upper Soda Spring, along the Sacramento Comment
  HSC33967  Ceanothus prostratus J. P. Smith 1974-5-25 7433 Siskiyou Near junction of Rd. 8 with French Creek Rd. 1280 Comment
  RSA47604  Ceanothus prostratus Roxana S. Ferris, Laura Lorraine 1948-6-12 11737 Siskiyou French Creek logging road west of Callahan. 1067 Comment
  CAS-BOT-BC53088  Ceanothus prostratus W. R. Dudley 1893-6-20 s.n. Siskiyou Castle Lake Trail Comment
  CAS-BOT-BC63160  Ceanothus velutinus L. E. Smith 1913-7-1 s.n. Siskiyou Mt. Shasta. Comment
  JEPS42169  Ceanothus velutinus Geo. D. Butler 1908-8-3 412 Siskiyou Shackelford Creek Log Lake 1524 Comment
  OBI10323  Ceanothus velutinus H. E. McMinn 1931-6-27 2519 Siskiyou Shasta City Comment
  RSA183666  Ceanothus velutinus Gilbert Muth 1965-7-30 114 Siskiyou Marble Valley, Marble rim Comment
  UC1409313  Ceanothus velutinus Frederick W. Oettinger 1968-8-10 469 Siskiyou on e side Hancock Lake ((high lake basins in vicinity of English Peak)); Salmon Mountains, Marble Mountain Wilderness Area 1935 Comment
  UC61164  Ceanothus velutinus W. A. Setchell, C. C. Dobie 1902-7-14 Siskiyou Sissoon Mount Shasta, Sisson Comment
  CAS-BOT-BC52803  Ceanothus velutinus var. velutinus Henry M. Pollard 1947-9-6 s.n. Siskiyou Dillons Mt. Forest Road 1524 Comment
  HSC67803  Ceanothus velutinus var. velutinus J. O. Sawyer, J. Cole 1980-7-22 3978 Siskiyou NW slopes of Cedar Mtn. 1524 Comment
  CDA20008  Centaurea X moncktonii M. Bagley 2002-8-1 PDR P 087837 -B Siskiyou Northern California; vicinity of Mt Shasta. 0 Comment
  CAS-BOT-BC276996  Centaurea diffusa R. E. Frenkel 1964-10-2 875 Siskiyou On the south side of Everitt Memorial Highway in a pulloff area near McBride Springs turnoff, near Mount Shasta 1493 Comment
  CDA7265  Centaurea maculosa T. C. Fuller 1963-8-26 11155 Siskiyou W. H. Kerr, Flying K Ranch, upper Quartz Valley, 2 miles south of Mugginsville. 0 Comment
  UCD108104  Centaurea solstitialis Steve Orloff 2011-9-1 SQK 472276 S1-D Siskiyou From a property along the Klamath River. Comment
  UC1776773  Centaurea stoebe subsp. micranthos Steelman 1996-7-10 s.n. Siskiyou Mott Road exit from I-5, north of Dunsmuir Comment
  CHSC30247  Cephalanthera austiniae M. S. Taylor 1980-7-8 3087 Siskiyou On n side of Castle Lake Rd (39N24), ca. 0.9 mi w of its jct with 40N26 at se side of Lake Siskiyou, w of Mt. Shasta City. 1036 Comment
  HSC19081  Cephalanthera austiniae J. O. Sawyer 1969-7-23 1175 Siskiyou Along road near Horse Range Creek. 1341 Comment
  UC922390  Cerastium arvense Annie M. Alexander and Louise Kellogg 1949-7-28 5882 Siskiyou Sky High Valley Marble Mts., Sky High Valley 1767 Comment
  UC1777715  Cerastium dichotomum J. Di Tomaso 2002-5-17 Siskiyou 8 mi NE of Montague (York Rd, 3 m E of intersection with Mulloy Rd) Comment
  UCD97998  Cerastium dichotomum T. C. Fuller 1962-5-18 8475 Siskiyou B. M. Long prop., Little Shasta Road, 5 miles east of Montague. Comment
  CAS-BOT-BC388165  Cerastium fontanum Henry M. Pollard 1947-8-22 s.n. Siskiyou Fontana's Fishing Lodge north of Somes Bar Comment
  HSC36689  Cercis occidentalis Brent Whiteley 1975-6-21 14 Siskiyou 223 Comment
  UCD113081  Cercocarpus betuloides var. macrourus Delbert W. Hubbs 1975-10-8 s.n. Siskiyou Near Callahan. 1219 Comment
  HSC18571  Cercocarpus ledifolius R. C. Wunner 1965-7-15 393 Siskiyou Lava Beds NM, Indian Wells near N Prefab 1433 Comment
  HSC67804  Cercocarpus ledifolius J. O. Sawyer, J. Cole 1980-7-22 3975 Siskiyou NW slopes of Cedar Mtn. 1524 Comment
  RSA45332  Cercocarpus ledifolius Dorothy Parker 1947-4-5 166 Siskiyou Plowman's Valley. 1220 Comment
  RSA59495  Cercocarpus ledifolius E. K. Balls 1950-5-16 14705 Siskiyou Caldwell Caves, Lava Beds National Monument. 1524 Comment
  RSA611268  Cercocarpus ledifolius Louis C. Wheeler 1935-7-4 3654 Siskiyou Yreka Creek. 884 Comment
  SEINET9368213  Cercocarpus ledifolius var. intermontanus 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-BC148532  Cercocarpus ledifolius var. ledifolius Dr. E. B. Copeland 1903-7-6 3562 Siskiyou Hornbrook Comment
  RSA120871  Chaenactis carphoclinia H. K. Wagnon 1957-8-11 1698 Siskiyou East slope of Mt. Shasta on rd. to Brewer Cr., 3 mi. W of Military Pass Rd. Comment
  CAS-BOT-BC276781  Chaenactis douglasii var. douglasii K. T. Stillman 1976-7-21 279 Siskiyou Marble Mountain Wilderness Area 1981 Comment
  CHSC102550  Chaenactis douglasii var. douglasii L. P. Janeway 2009-8-4 9897 Siskiyou High Cascade Range. Flat open area along Military Pass Road (A43N19) 3.4 km east of Military Pass, 6.4 air km northwest of Ash Creek Butte. 1804 Comment
  HSC92683  Chaenactis douglasii var. douglasii Jennifer Whipple 1977-8-6 2219 Siskiyou Dobkins Lake drainage on E facing slope above Dobkins Lake 2256 Comment
  HSC92684  Chaenactis douglasii var. douglasii Jennifer Whipple 1976-7-14 1471 Siskiyou SE slope of Mount Eddy draining into the N Fork of the Sacramento River 2195 Comment
  JEPS16946  Chaenactis douglasii var. douglasii Peter H. Raven 1956-9-4 10393 Siskiyou pass just s of Mount Eddy 2438 Comment
  JEPS50483  Chaenactis douglasii var. douglasii Al Hobart 1967-7-1 Siskiyou above Youngs Valley; Siskiyou Mountains, westermost Siskiyou County 1584 Comment
  CAS-BOT-BC276759  Chaenactis douglasii var. douglasii A. A. Heller 1921-7-17 13575 Siskiyou Mount Eddy W of Wagon Creek 2133 Comment
  CAS-BOT-BC106041  Chaenactis suffrutescens L. E. Smith 1913-6-12 s.n. Siskiyou Road from Sisson to Castle Lake Comment
  CAS-BOT-BC106045  Chaenactis suffrutescens Joy D. Mastrogiuseppe 1974-9-2 177 Siskiyou Ridge of Red rock Mountain 2255 Comment
  UC336703 Image available Chaenactis suffrutescens J. G. Lemmon 1902-12-1 Siskiyou Head waters of Sacramento River; ; headwaters of Sacramento River Comment
  UC54082  Chaenactis suffrutescens H. M. Hall and E. B. Babcock 1903-6-1 4081 Siskiyou upper part of Shasta Valley; Sierra Nevada Mountains, Mount Shasta, Shasta Valley 1158 Comment
  UC584274  Chaenactis suffrutescens G. L. Stebbins Jr. and J. A. Jenkins 1937-7-19 2440 Siskiyou 1 to 3 mi s of Greenview (along w side of Scott Valley); Scott Valley 853 Comment
  HSC18590  Chamaebatiaria millefolium R. C. Wunner 1965-7-9 356 Siskiyou California Lava Beds National Monument; 60 yds. from Black Crater Trail jct. on trail to Hardin Butte Trail 1341 Comment
  JEPS95133  Chamaebatiaria millefolium Vernon Oswald and Lowell Ahart 1997-7-28 8772 Siskiyou 16 mi s of Medicine Lake (Forest Route 49 (Powder Hill Road) at 41N03 to Porcupine Butte); Forest Route 49 1365 Comment
  UC1539999  Chamaebatiaria millefolium M. Mitchell 1936-5-21 24 Siskiyou Lava Beds National Monument, Frozen River Cave Frozen River Cave; Lava Beds National Monument, Frozen River Cave 1348 Comment
  SEINET3863160 Image available Chamaecyparis lawsoniana Dan Youngberg 1964-7-19 76 Siskiyou Growing along West Branch of Indian Creek. S23, R6E, T18N, Humbolt Meridian.; 0 671 Comment
  SEINET3863161 Image available Chamaecyparis lawsoniana J. P. Smith, Steve Selva 1970-7-15 4343 Siskiyou Klamath Nat'l forest; road to Happy Camp; mixed coniferous forest.; 0 732 Comment
  UCD126574  Chamaesaracha nana T. C. Fuller 1962-6-12 8967 Siskiyou east side of Davis Road to Medicine Lake, 0.2 mile south of road to Dorris, ca. 16 miles east of Macdoel. Comment
  SBBG25916  Chamaesyce serpillifolia subsp. serpillifolia D. Myrick 1966-8-9 1511 Siskiyou Mountain Meadow Ranch, Big Flat 1524 Comment
  CHSC93669  Chamaesyce serpyllifolia Lowell Ahart; John Dittes 2005-6-10 12111 Siskiyou North of the poor dirt road, about 40 yards north of the Shasta River, about 200 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
  UC375364  Chamaesyce serpyllifolia Geo. D. Butler 1908-7-14 Siskiyou along creek near Yreka Comment
  HSC19498  Chamerion angustifolium subsp. circumvagum J. O. Sawyer 1969-8-4 1864 Siskiyou Slope SW of Sugar Lake 2195 Comment
  HSC19021  Cheilanthes gracillima J. O. Sawyer 1969-7-10 1290 Siskiyou E facing slope W of S Sugar Lake 2226 Comment
  HSC65141  Chenopodium album J. P. Smith, Steve Selva 1970-7-17 4435 Siskiyou 915 Comment
  SEINET5764325 Image available Chenopodium botrys A. A. Heller 1916-1 12564 Siskiyou near Sisson 1074 Comment
  HSC65136  Chenopodium fremontii J. P. Smith, Steve Selva 1970-7-17 4417 Siskiyou Along Klamath River. Comment
  RSA45491  Chenopodium vulvaria J. C. Roos 1948-9-1 3985 Siskiyou Fort Jones. Comment
  CAS-BOT-BC451432  Chimaphila menziesii W. R. Dudley 1899-8-22 s.n. Siskiyou Craggy Peak 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
  CAS-BOT-BC452272  Chimaphila umbellata L. E. Smith 1913-7-4 455 Siskiyou North fork, Castle Creek Comment
  CAS-BOT-BC94551  Chimaphila umbellata R. C. Wenk 2006-9-2 553 Siskiyou trail to Caribou Lakes from Big Flat Meadow, by side of trail in coniferous forest below Browns Meadow 2011 Comment
  HSC69313  Chimaphila umbellata Maralyn A. Renner 1980-7-24 1970 Siskiyou Pacific Crest Trail above Lily Pad Lake. 1799 Comment
  UC1043391  Chimaphila umbellata P. C. Everett and E. K. Balls 1954-10-11 20266 Siskiyou s.w. Mt. Shasta town (forest service camp, Castle Lake); Castle Lake 1249 Comment
  CAS-BOT-BC452283  Chimaphila umbellata David D. Keck 1938-8-6 4803 Siskiyou At Del Norte Co. line, Poker Flat, summit of Siskiyou Mts., on road from Waldo to Happy Camp Comment
  CDA3724  Chorispora tenella Th. Williams Jun 1957 Siskiyou Near Montague. 0 Comment
  CDA15533  Chrysolepis chrysophylla var. chrysophylla G. F. Hrusa 1998-7-5 14701 Siskiyou Siskiyou Mountains; Cedar Camp Rd. +- 5 mi. E of Weitchpec on Hwy 96. N side of Hwy. Mile 8.8. Comment
  CAS-BOT-BC36238  Chrysolepis sempervirens Wm. Bridge Cooke 1938-9-8 11645 Siskiyou North side of Red Butte, Mount Shasta 2468 Comment
  HSC8065  Chrysolepis sempervirens Richard Spjut 1968-10-5 168 Siskiyou Along the trail to Sugar Creek Lake in the Salmon Mtns. 1524 Comment
  UC1096788  Chrysolepis sempervirens H. K. Wagnon 1957-8-11 1690 Siskiyou 3 mi w Military Pass Rd. (on rd to Brewer Creek, e slope of Mt Shasta); North Coast Ranges, Mt. Shasta Comment
  UCR37810  Chrysopsis villosa var. hispida K. T. Stillman 1976-9-9 467 Siskiyou Marble Mtn Wilderness Area, Marble Mtn Guard Station, Scott Bar 15' Q. Comment
  CAS-BOT-BC140656  Chrysothamnus humilis Elmer I. Applegate 1935-8-3 10019 Siskiyou Crater rim of Caldwell Butte, Lava Beds National Monument Comment
  RSA78945  Chrysothamnus viscidiflorus subsp. viscidiflorus E. K. Balls, Percy C. Everett 1952-10-12 18172 Siskiyou 1.8 miles south of turn off to Medicine Lake, on road from Indian Well Ranger Station, Modoc Lava Beds National Monument. 1372 Comment
  SD76166  Cicuta maculata var. maculata Helen V. Witham 1969-10-7 586 Siskiyou along Scott River 700 Comment
  HSC96870  Cinna latifolia Gordon Leppig 1998-8-13 998 Siskiyou Klamath National Forest, Russian Wilderness, Little Duck Lake Fen, in cirque W of Little Duck Lake 2200 Comment
  LA86550  Cinna latifolia J. M. Tucker; 1963-8-19 3775 Siskiyou Marble Mountain Wilderness Area, headwaters of Canyon Creek 1950 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
  UC1483452  Circaea alpina subsp. pacifica Maralyn A. Renner 1980-6-24 1022 Siskiyou tributary stream to E. Fork Seiad Creek (where crossed by F.S. rd. 48N20); Klamath Nat'l Forest, Seiad Valley Quad. 1018 Comment
  POM89964  Circaea alpina subsp. pacifica L. R. Abrams 1922-6-29 8469 Siskiyou Mill Creek Comment
  RSA237664  Circaea alpina subsp. pacifica Frederick W. Oettinger 1967-7-26 191 Siskiyou Alder thicket at creek from spring near Tom Taylor Cabin. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2012 Comment
  CDA1028  Cirsium andersonii M. R. Pryor 1950-7-26 s.n.-C Siskiyou Hwy 99, 4 mi. N of Gazelle. Comment
  CAS-BOT-BC32848  Cirsium botrys L. E. Smith 1913-6-25 397 Siskiyou Montague 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
  SD110303  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
  CDA1190  Cirsium cymosum B. Villegas 1999-6-8 s.n. Siskiyou 3 mi. N/ Yreka; Jim Sewell property, near junction Anderson Grade Rd. & Hwy 263 Comment
  HSC81847  Cirsium cymosum Thomas W. Nelson, Jane P. Nelson 1980-7-17 6089 Siskiyou Along FS Rd. 17, 1 mi. N of summit at county line 2073 Comment
  HSC92675  Cirsium cymosum Jennifer Whipple 1976-7-2 1269 Siskiyou Dobkins Lake drainage on E facing slopes above Dobkins Lake 2256 Comment
  CDA1184  Cirsium cymosum T. C. Fuller 1958-6-19 1830 Siskiyou South of road to Montague, 1.5 miles east of Yreka. 0 Comment
  SEINET9318532  Cirsium cymosum Unknown 1999-6-8 6 99 Siskiyou Siskiyou Comment
  CAS-BOT-BC279888  Cirsium douglasii var. breweri A. A. Heller 1920-8-13 13526 Siskiyou Near Deetz Station, six miles from Sisson Comment
  HSC92670  Cirsium douglasii var. breweri Jennifer Whipple 1976-7-24 1567 Siskiyou Near Dobkins Lake 2073 Comment
  UCD130621  Cirsium inamoenum var. inamoenum T. C. Fuller 1979-10-3 20271 Siskiyou both sides of Goosenest Road, 14 km northeast of Tennant. Comment
  CAS-BOT-BC286462  Cirsium scariosum T. C. Fuller 1959-7-9 2738 Siskiyou Hwy 99, 2 miles south of Gazelle Comment
  CAS-BOT-BC285893  Cirsium vulgare W. B. Cooke; V. G. Cooke 1962-8-19 33550 Siskiyou Memorial Highway, Mt. Shasta Comment
  CAS-BOT-BC439045  Cistanthe monosperma L. E. Smith 1913-7-12 463 Siskiyou Weed Comment
  SBBG4974  Clarkia lassenensis H. and M. Dearing 1939-6-3 3633 Siskiyou near Scott Bar Comment
  UC54446  Clarkia lassenensis H. M. Hall and E. B. Babcock June, 1903 4174 Siskiyou Fall River Springs Sierra Nevada Mountains 1066 Comment
  CAS-BOT-BC163283  Clarkia mildrediae subsp. mildrediae A. A. Heller 1928-6-10 14611 Siskiyou Along the Pacific Highway on a shale bank between Salt Creek and Pollock Comment
  CAS-BOT-BC164972  Clarkia rhomboidea Doris K. Kildale 1928-7-2 5356 Siskiyou Salmon Summit via Horn Creek trail 1981 Comment
  RSA34386  Clarkia rhomboidea W. Bridge Cooke 1947-8-1 17765 Siskiyou Along the Shasta Snowline Highway, Mt. Shasta. Comment
  HSC61811  Claytonia lanceolata Ruby Van Deventer 1959-7-9 Siskiyou Poker Flat 1585 Comment
  CAS-BOT-BC439627  Claytonia parviflora subsp. parviflora J. H. Thomas 1949-6-16 951 Siskiyou 1/4 miles north of Beaver Creek Public Camp, along Beaver Creek; 5 miles north of junction of Beaver Creek and Klamath River; Klamath National Forest. Comment
  HSC64315  Claytonia perfoliata subsp. intermontana J. P. Smith 1973-5-5 6507 Siskiyou Along Cook and Green Pass Rd. Comment
  CDA23959  Claytonia rubra subsp. depressa T. C. Fuller 1970-5-27 19587 Siskiyou Interstate 5 at truck inspection station, Dunsmuir Grade, 4 miles north of Dunsmuir. 0 Comment
  HSC36925  Claytonia rubra subsp. rubra J. P. Smith 1974-5-26 7592 Siskiyou Along FS Rd. 47N03, 1/4 mi. NE of Chandler Glade 1768 Comment
  CAS-BOT-BC443817  Claytonia rubra subsp. rubra Wm. Bridge Cooke 1938-6-24 11063 Siskiyou Mount Shasta. MacBride [McBride] Springs Comment
  CAS-BOT-BC443859  Claytonia sibirica J. H. Thomas 1949-6-16 943 Siskiyou Beaver Creek Public Camp, along Beaver Creek, 5 miles north of junction of Beaver Creek and Klamath River. Klamath National Forest. Comment
  UC637156  Clematis ligusticifolia Edward Lee 1934-8-10 1022 Siskiyou near Hamburg (between McKinney Creek and Parkerhouse Creek, s. bank of Klamath R.); Klamath R. 609 Comment
  HSC30434  Clintonia uniflora Frederick W. Oettinger 1969-8-7 1277 Siskiyou Marble Mtn. Wilderness Area, SE end of English Lake 1768 Comment
  JEPS61605  Clintonia uniflora Geo. D. Butler 1908-8-4 98 Siskiyou Wooley Creek, Cold Spring Camp Wooley Creek; , Cold Spring Camp 1645 Comment
  RSA593952  Clintonia uniflora Louis C. Wheeler 1963-8-29 8305 Siskiyou Siskiyou Mountains. Head of west fork Clear Creek. 1432 Comment
  CAS-BOT-BC500962  Clintonia uniflora Philip A. Munz 1952-7-1 17861 Siskiyou Baldy Mountain road, northwest of Happy Camp, Siskiyou Mountains 1219 Comment
  RSA237926  Clintonia uniflora Frederick W. Oettinger 1967-7-26 213 Siskiyou 300 yards up a tributary of upper English Lake on moist bank. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1784 Comment
  HSC72674  Collinsia grandiflora J. P. Smith 1976-5-5 8674 Siskiyou Road from Etna to Sawyer's Bar. 732 Comment
  UC163700  Collinsia grandiflora Geo. D. Butler 1910-6-6 1464 Siskiyou Quartz Valley Comment
  UC1409411  Collinsia linearis Frederick W. Oettinger 1969-7-11 978 Siskiyou area due w of nw end of Hancock Lake (High Lake Basins in vicinity of English Peak, Marble Mountain Wilderness Area, Salmon Mountains, western Siskiyou County); Marble Mountain Wilderness Area, Salmon Mountains 1950 Comment
  UC454817  Collinsia linearis I. J. Condit 1911-7-3 Siskiyou Shasta Retreat Comment
  RSA145236  Collinsia linearis Dorothy Parker 1960-5-23 750 Siskiyou Salmon River below Sawyer's Bar. Comment
  UC1409408  Collinsia linearis Frederick W. Oettinger 1968-9-9 794 Siskiyou ne of Tom's Lake (High Lake Basins in vicinity of English Peak, Marble Mountain Wilderness Area, Salmon Mountains, western Siskiyou County); High Lake Basins, Marble Mtn Wilderness Area, Salmon Mts 1828 Comment
  CHSC86632  Collinsia parviflora Jenny Marr 1993-7-1 15 Siskiyou Butte Valley Wildlife Area, +/- 7 air miles NW of the town of MacDoel. Meadow NW of Meiss Lake. 1349 Comment
  CDA41379  Collinsia parviflora T. C. Fuller 1958-4-16 s.n. Siskiyou Giebner property, 4 miles south of Yreka. 0 Comment
  CAS-BOT-BC229542  Collomia diversifolia Louis C. Wheeler 1934-7-6 2889 Siskiyou Hungry Creek 1097 Comment
  CHSC86642  Collomia grandiflora Jenny Marr 1993-7-1 25 Siskiyou Butte Valley Wildlife Area, +/- 7 air miles NW of the town of MacDoel. Meadow NW of Meiss Lake. 1349 Comment
  HSC67834  Collomia grandiflora J. O. Sawyer, J. Cole 1980-7-22 3922 Siskiyou NW slopes of Cedar Mtn. 1524 Comment
  UC164129  Collomia grandiflora Geo. D. Butler 1910-5-19 1366 Siskiyou dry land near Yreka Comment
  HSC219  Collomia grandiflora William J. Ferlatte 1966-8-3 254 Siskiyou Mtn. Meadow Ranch 1524 Comment
  RSA237240  Collomia grandiflora Frederick W. Oettinger 1967-6-28 127 Siskiyou On Salmon River near mouth of Kelly Gulch. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 616 Comment
  UCD118161  Collomia grandiflora J. M. Tucker 1948-8-2 1752 Siskiyou In the outskirts of McCloud. Comment
  HSC45982  Collomia heterophylla J. P. Smith 1973-5-5 6534 Siskiyou Scott Bar along the Scott River Comment
  CAS-BOT-BC229523  Collomia larsenii Mary Ann Showers 1980-7-23 1917 Siskiyou At summit of Little Mount Hoffman, W facing slope Comment
  CHSC96012  Collomia tinctoria L. P. Janeway 2006-7-3 8762 Siskiyou Klamath Ranges. Salmon Mountains; along Music Creek Trailhead Road at upper crossing of Music Creek. 1716 Comment
  HSC45975  Collomia tinctoria J. P. Smith, Steve Selva 1970-6-15 3954 Siskiyou 20 mi. E of Cecilville on the road to Callahan. 1646 Comment
  UC1540190  Collomia tinctoria Dean W. Taylor 1987-6-26 9073 Siskiyou 2 mi se Medecine Lake; Paynes Springs 1996 Comment
  CAS-BOT-BC94908  Collomia tinctoria R. C. Wenk 2005-7-15 202 Siskiyou Trinity Alps, above S Fork of Salmon River, along Yellow Rose Mine Trail 1767 Comment
  CDA40003  Collomia tinctoria T. R. Haig & F. D. Horn 1979-8-16 s.n. Siskiyou Gumboot Lake Area, west of Mount Shasta. 0 Comment
  HSC16941  Collomia tinctoria R. C. Wunner 1965-6-15 204 Siskiyou Lava Beds N.M., SE side Caldwell Butte, 3/4 of way down Butte 1463 Comment
  RSA237983  Collomia tinctoria Frederick W. Oettinger 1969-7-11 969 Siskiyou Along trail, English Lake to Diamond Lake. Salmon Mtns. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1890 Comment
  HSC30432  Collomia tracyi Frederick W. Oettinger 1969-7-11 982 Siskiyou Marble Mtn. Wilderness Area, ridge of Little Medicine Mtn. N of Hancock Lake 2043 Comment
  UC1190260  Collomia tracyi Ira L. Wiggins 1955-7-22 13457 Siskiyou gravel bar in river 9.5 mi above Cecilville; S Fork of Salmon River 1066 Comment
  UC971919  Collomia tracyi Herbert L. Mason 1950-7-15 14043 Siskiyou stream wash Scott Valley, Scott Creek Comment
  UC1282020  Convolvulus arvensis Louise Kellogg Aug 8 1953-Aug 9 1953 118 Siskiyou Scott Mountain Public Campground Klamath National Forest, Scott Mountains 1630 Comment
  UC143609  Corallorhiza maculata Dr. E. B. Copeland 1903-9-6 3926 Siskiyou Mt. Eddy 1371 Comment
  SEINET10470003  Corallorhiza maculata Mary Susan Taylor 1980-6-23 Taylor 2943 Siskiyou T39N R6W se sec 25 Dunsmuir quad. Shasta-Trinity Natl Forest; bog around Cedar Lake, ca. 11 mi SW of Mt Shasta City; peaty soils over gabbro. 1737 Comment
  CHSC105585  Cordylanthus tenuis subsp. tenuis Barbara L. Wilson; Richard E. Brainerd 2010-8-9 16291 b Siskiyou Shasta-Trinity National Forest, on Stewart Springs Road (Forest Service Road 17) 5.3 miles from the Gazelle Road. Lat. and Long. indicated +/- 30 feet. 1304 Comment
  UCD123172  Cordylanthus tenuis subsp. tenuis Barbara L. Wilson; Richard E. Brainerd 2010-8-9 16291 Siskiyou Stewart Springs Road 1.5 miles from the Gazelle Road. Comment
  UCD123173  Cordylanthus tenuis subsp. tenuis Barbara L. Wilson; Richard E. Brainerd 2010-8-9 16281 Siskiyou Shasta-Trinity National Forest; road A10 between town of Mount Shasta and Panther Meadow on the mountain itself. 1344 Comment
  POM211267  Cordylanthus tenuis subsp. tenuis Louis C. Wheeler 1934-8-31 3231 Siskiyou West Fork Beaver Creek, Siskiyou Mtns. 1159 Comment
  HSC72362  Cordylanthus tenuis subsp. viscidus J. P. Smith, J. O. Sawyer, Jane Sawyer, Kevin Sawyer 1976-9-5 8981 Siskiyou 1/5 mi. W of Hwy. 3 on Road 8 671 Comment
  JEPS77480  Cordylanthus tenuis subsp. viscidus L. R. Heckard 1978-9-7 4974 Siskiyou s Edgewood (road above Stewart Springs, on Deadfall Meadow-Mt. Eddy Rd.) 1371 Comment
  OBI59411  Cordylanthus tenuis subsp. viscidus Rimo Bacigalupi, C. L. Custer & G. T. Robbins 1954-8-12 4790 Siskiyou 5.1 mi below (and SE of ) summit of the road between Takilma, OR and Happy Camp-Klamath Natl Forest, Siskiyou Mts; drainage of the West Branch of Indian Creek 914 Comment
  HSC23694  Cornus canadensis J. O. Sawyer 1969-8-5 1788 Siskiyou Along Sugar Creek. 1921 Comment
  CAS-BOT-BC212063  Cornus nuttallii Alice Eastwood 1923-5-27 11994 Siskiyou Shasta Springs Comment
  SEINET10739247  Cornus nuttallii Andrew Townesmith, Karen M. Meyer 2007-8-3 Townesmith 898 Siskiyou Klamath National Forest, Oak Knoll Ranger District. Along Forest Service road 46N50, 4.4 miles NW of intersection with state route 96. Collected on uphill side of road (just above House Creek Botanical Area). T46N R11W S12. 593 Comment
  RSA397466  Cornus nuttallii B. C. Templeton 1960-6-21 8540 Siskiyou Scott Mts., ca 1 mile north of Siskiyou-Trinity Co. line. Comment
  SEINET6976042  Cornus nuttallii Unknown 1986-9-13 2155 Siskiyou Near the Marble Mountain Wilderness; along Canyon Creek Trail above Canyon Creek. Comment
  CAS-BOT-BC210417  Cornus sericea Lewis S. Rose 1925-7-27 s.n. Siskiyou Shasta Springs Comment
  CHSC40092  Cornus sericea subsp. sericea A. A. Heller 1920-6-20 13392 Siskiyou Metcalf's ranch, northeast base of Mt. Eddy. 1158 Comment
  HSC34304  Cornus sericea subsp. sericea J. P. Smith, J. O. Sawyer 1973-8-14 7300 Siskiyou On trail from Campbell Lake to Cliff Lake. 1829 Comment
  LA40447  Cornus sericea subsp. sericea Wm. Bridge Cooke; 1939-7-21 13709 Siskiyou Mount Shasta, Bear Springs 1523 Comment
  UC1408909  Cornus sericea subsp. sericea Frederick W. Oettinger 1968-9-1 634 Siskiyou e. shore Abbotts Lake; Salmon Mts., High Lake Basins, vicin. English Peak, Marble M 1722 Comment
  UC60983  Cornus sericea subsp. sericea Geo. B. Grant September 1902 5212 Siskiyou Mt. Shasta, Dunsmuir 609 Comment
  RSA184703  Cornus stolonifera Gilbert Muth 1966-6-24 444 Siskiyou Marble Valley along creek, Marble Mountains. 1793 Comment
  UC61654  Corylus californica Geo. B. Grant Sep 1902 5240 Siskiyou Mount Shasta 609 Comment
  HSC19273  Corylus cornuta subsp. californica J. O. Sawyer 1968-7-23 595 Siskiyou Near Big Flat Campground, Trinity Alps Primitive Area 1524 Comment
  HSC19274  Corylus cornuta subsp. californica J. O. Sawyer 1968-6-18 235 Siskiyou Valley bottom of Blakes' Fork. 1707 Comment
  RSA238546  Corylus cornuta var. californica Frederick W. Oettinger 1968-8-23 615 Siskiyou Salmon Mountains, in the vicinity of English Peak, Marble Mountain Wilderness Area. Amid large granite scree of Diamond Lake outlet spillway. 1951 Comment
  RSA481444  Corylus cornuta var. californica E. E. Stanford 1930-6-15 1584 Siskiyou 1 mile north of Dunsmuir. Comment
  HSC101768  Crataegus gaylussacia J. P. Smith, J. O. Sawyer 2011-9-6 13422 Siskiyou Along East Moffett Creek Road 983 Comment
  UCR37825  Crepis acuminata K. T. Stillman 1976-7-15 247 Siskiyou Marble Mountain Wilderness Area, Scott Bar 15' Q. 1951 Comment
  SEINET7837063 Image available Crepis bakeri subsp. bakeri G. D. Butler 1910-5-10 1328 Siskiyou Goose nest foothills 1524 Comment
  CAS-BOT-BC290541  Crepis capillaris Alice Eastwood 1912-7-17 1176 Siskiyou Sisson Comment
  HSC29229  Crepis occidentalis subsp. conjuncta Frederick W. Oettinger 1969-8-15 1385 Siskiyou High Lake Basins near English Peak, Marble Mtn. Wilderness Area; W of Upper English Lake 1784 Comment
  CAS-BOT-BC290863  Crepis pleurocarpa P. M. Peterson; J. M. Saarela; C. J. Sears 2006-8-10 19792 Siskiyou Scott Mountain summit, at 0.3 mi N of Hwy 3 on Forest Service 40 N 08 1671 Comment
  POM10576  Crepis pleurocarpa E. B. Copeland 1903-9-6 3755 Siskiyou Mt. Eddy 1829 Comment
  UC195184  Crepis pleurocarpa Annie M. Alexander and Louise Kellogg 1911-8-12 310 Siskiyou near Toad L. Comment
  CAS-BOT-BC290873  Crepis pleurocarpa G. P. Rixford No date on label s.n. Siskiyou South side Shaft-rock [Shaft Rock] Mt., Hilt Comment
  CAS-BOT-BC290882  Crepis pleurocarpa Louis C. Wheeler 1934-8-16 3168 Siskiyou Klamath National Forest. 2 mi. E White Mt. 1920 Comment
  CAS-BOT-BC299732  Crocidium Peter H. Raven 1963-5-19 18398 Siskiyou Just south of California State line on U.S. Highway 97, north of Macdoel Comment
  JEPS22546  Crocidium multicaule George D. Butler 1909-3-7 553 Siskiyou near Yreka (upper field of Butler's Ranch) Comment
  JEPS93849  Crocidium multicaule Vernon H. Oswald and Lowell Ahart 1998-6-11 9215 Siskiyou 5 mi n of Macdoel (Butte Valley National Grassland near the junction of Meiss Lake-Sams Neck Road and Hwy 97); Butte Valley National Grassland 1295 Comment
  POM356384  Crocidium multicaule L. C. Wheeler 1935-5-5 3463 Siskiyou Greenhorn Creek. Siskiyou Mtns. (Mt Diablo Mer.) 854 Comment
  UC1540244  Cryptantha affinis Dean W. Taylor 1987-6-26 9074 Siskiyou 2 mi se Medicine Lake; Paynes Springs 1996 Comment
  CHSC71475  Cryptantha ambigua Vernon H. Oswald; Lowell Ahart 1998-7-21 9332 Siskiyou Northeast of Weed and east of Grass Lake at a gravel pit on the south side of Tennant Rd. 0.4 mi southeast of Old State Hwy. to Bray. 1402 Comment
  JEPS105004  Cryptantha intermedia Dean W. Taylor 1995-6-4 14968 Siskiyou 3 miles west of Highway 89 on Grenada Road; Shasta Valley; Klamath National Forest; (ca. 10 miles North of Weed) 1158 Comment
  SEINET12564977  Cryptantha torreyana G. D. Butler 1910-5-8 1310 Siskiyou Near Yreka. Comment
  UC1199975  Cryptantha torreyana Roy L. Taylor 1960-6-11 4435 Siskiyou 1.5 mi nw Weed (on Highway 99) Comment
  RSA238017  Cryptogramma acrostichoides Frederick W. Oettinger 1968-8-5 404 Siskiyou Shasta Ridge, an open granitic rock ridge between Diamond Lake and English Peak. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2073 Comment
  JEPS25563  Cryptogramma cascadensis Rimo Bacigalupi with George Bacigalupi Jr. 1959-7-1 7188 Siskiyou just e Mt Shasta Ski Bowl Lodge (upper end of Everitt Hwy, sw slopes Mt Shasta); Mt Shasta 2346 Comment
  UC1188320  Cryptogramma cascadensis Philip A. Munz 1960-8-22 24192 Siskiyou Panther Meadows; Mt Shasta 2529 Comment
  CAS-BOT-BC80535  Cupressus bakeri C. B. Wolf 1944-10-29 11478 Siskiyou N.W. side [Goose Nest] Goosenest Mt., about 1 mi. due S. of Old Smith Sawmill on Montague to Mt. Hebron Road 1676 Comment
  CAS-BOT-BC80558  Cupressus bakeri Carl B. Wolf 1930-10-19 1746 Siskiyou Modoc Lava Beds, 1 mile east of Timbered Butte on old road from C.W. Hill Farm at Dana to Little Hot Springs Valley 1219 Comment
  CAS-BOT-BC80564  Cupressus bakeri Oliver V. Matthews 1939-7-11 32 Siskiyou Seiad Grove and Region 1463 Comment
  CAS-BOT-BC85601  Cupressus bakeri Oliver V. Matthews 1939-7-18 37 Siskiyou N.E. Goose Nest Grove-Goose Nest Region 1828 Comment
  RSA24032  Cupressus bakeri O. V. Matthews 1939-7-18 38 Siskiyou NW Goose Nest, E of Yreka Comment
  SEINET10834035  Cupressus bakeri John Thomas Howell 1934-7-4 Howell 12386 Siskiyou Lava flow between Timbered Crater and Little Hot Springs Valley. Comment
  POM215887  Cupressus macnabiana L. C. Wheeler 1935-4-14 3417 Siskiyou Siskiyou Mountains: West Fork Seiad Creek. (Mt. Diablo Mer.) 1159 Comment
  HSC78073  Cyclachaena xanthiifolia R. Pederson, G. Pederson 1979-8-15 Siskiyou Tulelake; Lower Klamath National Wildlife Refuge; on E side of the road near entrance to tour route 1238 Comment
  CDA38228  Cymopterus terebinthinus CDFA Staff 1959-6-5 s.n. Siskiyou Edgewood; Clint Jackson farm. 0 Comment
  CHSC63601  Cynoglossum officinale Vernon H. Oswald; Lowell Ahart 1994-8-10 6458 Siskiyou FS 40N39 at Stillwater Meadows on Bartle Creek, ca. 0.5 mi W of Harris Spring Rd. (FS15), ca. 4 mi (air) NNE of Bartle. In meadow border and roadsides. 1359 Comment
  JEPS87640  Cynoglossum officinale Vernon H. Oswald and Lowell Ahart 1994-8-10 6458 Siskiyou ca. 4 mi.(air) n.-n.e. Bartle (FS 40N39 at Stillwater Meadows on Bartle Creek, ca. 0.5 mi. w. of Harris Spring Rd. (FS 15)); Bartle Creek, Stillwater Meadows 1359 Comment
  HSC103019  Cynosurus echinatus J. P. Smith 2014-6-6 13876 Siskiyou Along State Route 96 at the Portuguese Creek Access to the Klamath River 416 Comment
  HSC77191  Cyperus eragrostis L. P. Janeway 1983-9-12 686 Siskiyou Along Hwy. 96, 0.5 mi. N of Swillip Creek, W side of Klamath River 244 Comment
  CHSC2336  Cypripedium californicum V. Holt 1932-6-20 Siskiyou Mt. Eddy. ... Field redacted by CHSC, contact the data manager for more information 2133 Comment
  CAS-BOT-BC133737  Cypripedium californicum L. E. Smith 1913-6-19 371 Siskiyou Field redacted by CAS, contact the data manager for more information Comment
  HSC19326  Cypripedium montanum J. O. Sawyer 1968-6-25 317 Siskiyou Along Horse Range Creek 1829 Comment
  UC164390  Cypripedium montanum Geo. D. Butler 1910-6-19 Siskiyou <?> Mountain Comment
  UCD60487  Danthonia californica Rimo Bacigalupi; Mr. and Mrs. Van Deventer 1959-7-10 7311 Siskiyou Twin Valley, Siskiyou Mts., just east of Del Norte Co. line; 4 air-line miles NNE of Preston Peak; watershed of Indian Creek. 1493 Comment
  UC1108540  Danthonia californica var. americana Ira L. Wiggins 1955-7-27 13551 Siskiyou Caribou Lake Salmon River-Trinity Alps Primitive Area 2042 Comment
  CAS-BOT-BC76243  Darlingtonia californica Elizabeth McClintock; Wayne Roderick; Martha Roderick 1967-7-28 s.n. Siskiyou Gumboot Lake, Trinity Mountains. 1828 Comment
  CAS-BOT-BC76248  Darlingtonia californica H. M. Hall; E. B. Babcock 1903-6-1 3400 Siskiyou Sierra Nevada Mountains. Mount Shasta. 18th Crossing Sacramento River, near Sisson. Comment
  UCR95194  Darlingtonia californica L. C. Wheeler 1963-9-1 8329 Siskiyou Siskiyou Mtns, W side Clear Creek c. 1/2 mi upstream from Trout Camp. 1037 Comment
  JEPS49587  Darmera peltata Geo. D. Butler 1908-8-21 220 Siskiyou Etna Creek; Salmon road crossing 1219 Comment
  CDA5364  Daucus carota T. C. Fuller 1959-7-8 6042 Siskiyou 0.6 mile west of Ainsworth Corners. 0 Comment
  UC1334523  Delphinium andersonii G. A. L. Mehlquist and J. A. Jenkins 1940-5-30 18 Siskiyou sw-facing slope Sconchin Butte Comment
  CAS-BOT-BC8968  Delphinium depauperatum Lillian Mott 1976-7-14 4 OLM76 Siskiyou Vicinity of Lily Pad Lake, ca. 3 mi. west of Cook and Green Pass 2011 Comment
  CAS-BOT-BC116158  Delphinium nuttallianum L. E. Smith 1913-5-14 210 Siskiyou Yreka Comment
  HSC34156  Delphinium nuttallianum J. O. Sawyer 1969-7-9 1223 Siskiyou Along trail to Sugar Lake. 1768 Comment
  HSC41688  Delphinium nuttallianum J. P. Smith 1976-5-5 8704 Siskiyou Road between Forks of Salmon and Somes Bar. 366 Comment
  SBBG2168  Delphinium nuttallianum H. and M. Dearing 1938-6-29 2190 Siskiyou Wagon Camp, Mt Shasta 1828 Comment
  JEPS23390  Delphinium nuttallianum Hilda W. Grinnell 1935-6-7 Siskiyou Dry Lake Ranger Station (really D. L. Lookout) Siskiyou Mts., Klamath Nat. Forest (top of slope above snowbanks, n of and above Horse Creek P.O. on the Klamath River) 2062 Comment
  CAS-BOT-BC192462  Deschampsia cespitosa subsp. cespitosa Thomas W. Nelson; Jane P. Nelson 1980-7-20 6171 Siskiyou On hillside above and to southeast of Big Carmen Lake 1737 Comment
  POM365037  Deschampsia danthonioides P. B. Kennedy 1929-4-18 s.n. Siskiyou Highway between Woodlake and Dinuba, 10 miles from Dinuba. Comment
  RSA184789  Deschampsia elongata Gilbert Muth 1966-7-18 415 Siskiyou Marble Gap Trial, Meadow above Marble valley; Marble Mountains 183 Comment
  CAS-BOT-BC201932  Deschampsia elongata L. P. Janeway 1983-8-28 627 Siskiyou Siskiyou Mountains; at Poker Flat 1524 Comment
  UC166617  Descurainia incana Geo. D. Butler 1908-8-4 Siskiyou Head of Shackleford Creek Comment
  CAS-BOT-BC65374  Descurainia incana R. C. Wenk 2005-7-15 232 Siskiyou Above South Fork Salmon River, along Yellow Rose Mine trail. 1828 Comment
  JEPS107384  Descurainia incisa subsp. filipes Lowell Ahart, John Dittes 2005-6-10 12062 Siskiyou Near a poor dirt road, about 80 yards north of the pump house along the Shasta River, about 1.9 miles (air) south of Highway 99/97 Cutoff, about 6 miles (air) east-southeast of Grenada 776 Comment
  HSC77112  Descurainia incisa subsp. incisa K. T. Stillman 1976-7-30 341 Siskiyou Marble Mtn. Wilderness Area, Elk Valley. Comment
  RSA47781  Descurainia pinnata subsp. filipes Roxana S. Ferris, Laura Lorraine 11829 Siskiyou Gazelle Mountain grade, road between Callahan and Gazelle. 1500 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-BC43266  Descurainia pinnata subsp. glabra L. E. Smith 1913-6-25 394 Siskiyou Castella. Comment
  JEPS107484  Descurainia sophia Lowell Ahart, John Dittes 2005-6-9 12054 Siskiyou Meadow area along a small drainage, along the sides of a poor rock fence, about 300 yards east of where cattle water in the Shasta River, about 3/5 mile (air) south of Highway 99/97 Cutoff, about 2 1/2 miles (air) east-southeast of Grenada 774 Comment
  CAS-BOT-BC43518  Descurainia sophia A. A. Heller 1916-6-22 12425 Siskiyou Near Sisson. 1074 Comment
  JEPS14815  Descurainia sophia W. L. Kleaver 1919-5-16 1 Siskiyou Comment
  HSC19064  Dicentra formosa J. O. Sawyer 1969-7-18 1373 Siskiyou E of Waterdog Lake 2012 Comment
  RSA433580  Dicentra formosa subsp. formosa Chadwick, Chadwick 1911-07 s.n. Siskiyou Shasta Springs. Comment
  CHSC89530  Dicentra formosa subsp. oregana G. F. Hrusa 2001-6-6 15854 Siskiyou Siskiyou Mountains. Nr. summit of pass betw. Happy Camp and O'Brien, Oregon at turnoff to Bolan Lake, at Oregon border. Roadside. UTM: 10S, 4649821 N, 0456023 E. 1424 Comment
  CAS-BOT-BC402550  Dicentra pauciflora W. R. Dudley 1893-6-20 s.n. Siskiyou Near Castle Lake, region of Mt Shasta Comment
  CAS-BOT-BC500906  Dichelostemma capitatum Dorothy Parker 1948-5-25 s.n. Siskiyou Plowman's Valley 1066 Comment
  SEINET7839015 Image available Dieteria canescens G. D. Butler 1910-9-11 1869 Siskiyou Weed Comment
  CAS-BOT-BC291008  Dieteria canescens var. shastensis L. E. Smith 1915-8-1 s.n. Siskiyou Bray Comment
  CAS-BOT-BC291026  Dieteria canescens var. shastensis John Thomas Howell 1939-8-4 15045 Siskiyou Marble Rim, Marble Mts. 1889 Comment
  UC1223211  Dieteria canescens var. shastensis Joseph P. Tracy 1949-9-16 18564 Siskiyou 1 mi e Etna (in Scott Valley); Scott Valley 883 Comment
  CAS-BOT-BC290995  Dieteria canescens var. shastensis J. W. Congdon 1900-8-12 s.n. Siskiyou Foot Mt. Shasta Comment
  CAS-BOT-BC291020  Dieteria canescens var. shastensis W. B. Cooke; V. G. Cooke 1963-7-12 34333 Siskiyou Memorial Highway, Mt. Shasta Comment
  CAS-BOT-BC153652  Diplacus jepsonii Alice Eastwood 1921-7-29 10951 Siskiyou Medicine Lake Comment
  CAS-BOT-BC153456  Diplacus layneae Alice Eastwood 1923-5-1 s.n. Siskiyou Shasta Springs Comment
  SD60415  Diplacus nanus Peter H. Raven 1962-5-30 17902 Siskiyou flats on pumice, US Hwy 97, 8.3 miles north of Weed Comment
  SDSU5840  Dipsacus sativus D. F. Howe 1962-8-5 3260 Siskiyou 56.8 miles east of Happy Camp on #96. 610 Comment
  CAS-BOT-BC136092  Dodecatheon alpinum Elizabeth McClintock; Wayne Roderick; Martha Roderick 1967-7-29 s.n. Siskiyou Margin of Cedar Lake - Trinity Mts. 1828 Comment
  RSA78835  Dodecatheon hendersonii P. A. Munz 1952-7-2 17913 Siskiyou Ridge west of Baldy Mt. L. O., 6 mi. by air west of Happy Camp. Siskiyou Mts. 1768 Comment
  HSC77071  Dodecatheon jeffreyi K. T. Stillman 1976-6-26 117 Siskiyou Marble Mountain Wilderness Area 1829 Comment
  HSC81528  Dodecatheon jeffreyi Thomas W. Nelson, Jane P. Nelson 1980-7-20 6181 Siskiyou Above and to SE of Big Carmen Lake 1738 Comment
  CHSC71293  Downingia cuspidata Vernon H. Oswald; Lowell Ahart 1998-6-11 9225 Siskiyou Butte Valley National Grassland near the junction of Meiss Lake-Sams Neck Rd. and Hwy. 97 ca. 5 mi north of Macdoel. 1295 Comment
  CHSC71231  Downingia pulcherrima Vernon H. Oswald; Ken Beatty, Jay Thesken 1998-6-6 9171 Siskiyou Buckaroo Hole, Butte Valley National Grassland between Macdoel and Dorris. 1280 Comment
  CHSC71478  Downingia pulcherrima Vernon H. Oswald; Lowell Ahart 1998-7-21 9333 Siskiyou Northeast of Weed and east of Grass Lake at a gravel pit on the south side of Tennant Rd. 0.4 mi southeast of Old State Hwy. to Bray. 1402 Comment
  SEINET248096  Draba aureola Noel H. Holmgren, Patricia K. Holmgren; Melinda F. 1980-6-30 9447 Siskiyou Scott Mountains, upper Trinity River, Mount Eddy trial from Deadfall Meadows, top of Mount Eddy, 14 km (8.5 mi) air distance west of Mount Shasta City, at Siskiyou Co. line. 2740 Comment
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Jul 7 2020
  CAS-BOT-BC41756  Draba howellii John Thomas Howell 1937-7-24 13417 Siskiyou Salmon-Trinity Alps. Caribou Basin. 2286 Comment
  CAS-BOT-BC41757  Draba howellii John Thomas Howell 1939-8-10 15249 Siskiyou Marble Mountains. Sky High Valley. 1828 Comment
  SEINET4326819 Image available Draba verna Louis C. Wheeler 1935-4-18 3430 Siskiyou Siskiyou Mountains, Greenhorn Creek 1006 Comment
  CDA24831  Draba verna T. C. Fuller 1958-4-16 Siskiyou Giebner property, 4 miles south of Yreka. 0 Comment
  JEPS1616  Draperia systyla W. L. Jepson Jul 17 1902-Jul 22 1902 2070 Siskiyou Devil's Backbone; western Siskiyou 1828 Comment
  UC1023735  Drosera rotundifolia W. Bridge Cooke 1941-8-8 16164 Siskiyou Wagon Camp swamp Mount Shasta 1737 Comment
  CAS-BOT-BC159433  Drymocallis glandulosa var. glandulosa John Thomas Howell 1937-7-21 13157 Siskiyou South Fork of Salmon River near Big Flat 1524 Comment
  HSC29648  Drymocallis glandulosa var. reflexa Frederick W. Oettinger 1968-8-22 598 Siskiyou Marble Mtn. Wilderness Area, ridge between English Peak and Diamond Lake 2165 Comment
  HSC43054  Dryopteris arguta Ken Stillman 1976-8-24 445 Siskiyou E and N slopes of Williams Point 366 Comment
  UC922661  Dryopteris arguta Annie M. Alexander and Louise Kellogg 1948-9-4 5575 Siskiyou between Somesbar and Forks of Salmon River (bank above Salmon River Rd); Siskiyou Mts Comment
  RSA365423  Eleocharis acicularis var. acicularis L. C. Wheeler 1934-6-29 2827 Siskiyou Soda Creek. Sterling Mountain. Siskiyou Mountains. 1280 Comment
  CAS-BOT-BC113417  Eleocharis bella W. R. Ernst 1958-8-8 286 Siskiyou Grass Lake area, ca. 32 mi S or Oregon State line on Hwy 97. Comment
  HSC98409  Eleocharis decumbens Frederick W. Oettinger, R. F. Thorne 1969-8-4 1181 Siskiyou Marble Mtn. Wilderness Area, N of Tobacco Lake 1890 Comment
  JEPS19425  Eleocharis macrostachya B. C. Goldsmith 1916-9-9 26 Siskiyou Klamath Hot Springs Comment
  CHSC106361  Eleocharis rostellata Lowell Ahart; John Dittes 2010-7-30 16946 Siskiyou About 5 yards south of the Shasta River, about 40 yards east of the East Louie Road Bridge, Shasta Big Springs Ranch, 1.6 miles (air) southwest of Big Spring Lake, 4.6 miles (air) northwest of Dwinnel Dam, 5.7 miles (air) southeast of Grenada. 716 Comment
  SEINET10587561  Eleocharis rostellata Lowell Ahart, John Dittes 2005-6-10 Ahart 12097 Siskiyou T43N, R5W, northwest 1/4 Section 5. 30 yards east of the Shasta River, near the south fence, 100 yards south of the pump house along the Shasta River, about 1.9 miles (air) south of Highway 99/97 Cutoff, about 6 miles (air) east-southeast of Grenada. 777 Comment
  CAS-BOT-BC112012  Eleocharis suksdorfiana William Bridge Cooke 1940-7-5 15270 Siskiyou Common in the sedge swamp at Wagon Camp, Mount Shasta Comment
  POM205576  Elyhordeum macounii E. B. Copeland 1903-7-4 3540 Siskiyou Klamathon Comment
  UC1037161  Elymus X aristatus Leo Whitney 1935-7-15 3470 Siskiyou stream near Bullseye Lake (2 mi se of Medicine Lake) Comment
  CHSC91528  Elymus caput-medusae G. F. Hrusa 2001-6-5 15843 Siskiyou Shasta Valley. Road pullout at northbound exit from I-5 at Louie Rd. 914 Comment
  CHSC61567  Elymus elymoides subsp. californicus L. P. Janeway 1983-8-16 553 Siskiyou Siskiyou Mountains; at Poker Flat, upper part of the lower portion of the meadow. 1524 Comment
  UC618876  Elymus elymoides subsp. elymoides W. Bridge Cooke 1938-7-15 11266 Siskiyou Wagon Camp Mount Shasta (around outer portions of meadows) 1737 Comment
  HSC26575  Elymus elymoides var. californicus J. P. Smith 1972-8-17 5748 Siskiyou Medicine Lake 2012 Comment
  HSC30695  Elymus elymoides var. elymoides Frederick W. Oettinger 1967-8-18 283 Siskiyou The High Lake Basins, at junction of trials to English Peak and Uncle's Lake, Marble Mtn. wilderness area. 2165 Comment
  RSA591658  Elymus glaucus L. C. Wheeler 1934-8-14 3143 Siskiyou E end White Mt.; Siskiyou Mts. (Mt. Diablo Mer.) 1829 Comment
  UC158592  Elymus glaucus Dr. E. B. Copeland 1903-7-4 3540 Siskiyou Klamathon; river bank Comment
  CAS-BOT-BC235221  Elymus multisetus Gilbert Muth 1966-7-17 410 Siskiyou Near Lookout, Marble Mts. 2057 Comment
  HSC103027  Elymus multisetus J. P. Smith 2014-6-7 13885 Siskiyou Yreka 844 Comment
  CAS-BOT-BC213810  Elymus repens R. E. Frenkel 1964-7-14 683 Siskiyou On an east shoulder of Everitt Memorial Highway near Mount Shasta, 1.0 mile north of McCloud River RR crossing. 1341 Comment
  HSC42892  Epilobium brachycarpum Ken Stillman 1976-8-15 407 Siskiyou Clearcut at junction of Specimen Creek and Little N Fork of the Salmon River 732 Comment
  CHSC114077  Epilobium ciliatum Kendra Sikes 2011-8-23 FC 1 -1 Siskiyou Headwaters of Fawn Creek, east slope of the Eddys; UTM Zone 10N, 541673E, 4564801N. 1850 Comment
  HSC59015  Epilobium ciliatum subsp. ciliatum Marvin Butler 1971-7-12 109 Siskiyou Near Copper Creek, close to the town of Cave Junction 1433 Comment
  UC1096797  Epilobium glaberrimum subsp. glaberrimum H. K. Wagnon 1957-8-11 1711 Siskiyou along crk. 1 mi n junction with Military Pass Rd; North Coast Ranges, Mt. Shasta, Ash Cr. Comment
  UC873374  Epilobium glaberrimum subsp. glaberrimum Alice Eastwood 1912-7-16 1065 Siskiyou McCloud Comment
  POM251081  Epilobium glaberrimum subsp. glaberrimum W. Bridge Cooke 1938-7-15 11193 Siskiyou Bear Springs, Mt. Shasta 1524 Comment
  POM254606  Epilobium glaberrimum subsp. glaberrimum W. Bridge Cooke 1940-8-22 15472 Siskiyou Mount Shasta: near Clear Creek in Mud Creek Canyon 1982 Comment
  UC873286  Epilobium lactiflorum Alice Eastwood 1912-9-1 2058 Siskiyou Mount Shasta Comment
  HSC68491  Epilobium minutum Maralyn A. Renner 1980-6-9 853 Siskiyou Ridge SE of FS Rd. 45N35 1341 Comment
  HSC69700  Epilobium minutum Maralyn A. Renner 1980-6-26 1266 Siskiyou Klamath National Forest, ridge along FS Rd. 15N01, 1 mi. N of Flint Valley. 1494 Comment
  UC136739  Epilobium minutum A. A. Heller 1905-6-1 7930 Siskiyou Upper Soda Spring Comment
  UC1618333  Epilobium minutum Barbara Ertter 1990-7-14 9309 Siskiyou e. side Mt. Eddy ca. 4 airmiles due w. Mt. Shasta City (at streamlet near end of FR 41N53 ca. 1 mi. n. of Morgan Meadows, rocky roadcut near forest edge); Mt. Eddy 1676 Comment
  HSC49642  Epilobium minutum J. P. Smith, Steve Selva 1970-6-16 4038 Siskiyou 4 mi. from Hwy. 3 on Rd. 8 to Sugar Creek 1159 Comment
  HSC29166  Epilobium oregonense Frederick W. Oettinger, R. F. Thorne 1969-8-6 1242 Siskiyou Marble Mtn. Wilderness Area, Pine Lake 1883 Comment
  SEINET3149850  Epilobium paniculatum G. D. Butler 1910-7-3 1629 Siskiyou Goosenest foothills 1219 Comment
  SEINET10492277  Epilobium paniculatum Lawrence P. Janeway 1983-8-28 Janeway 641 Siskiyou Preston peak quak; t18n, r6e, sw 1/4 of sec 20. At poker flat; dry gravelly part of upper edge of lower portion of meadow; fir forest. 1524 Comment
  CAS-BOT-BC171859  Epilobium septentrionale Dorothy Parker 1959-7-20 739 Siskiyou Slope above Kangaroo Lake 2033 Comment
  HSC97386  Epipactis gigantea A. Montalvo, J. D. Ackerman 1974-7-2 355 Siskiyou Along road to Middle Fork Sacramento River and Toad Lake. West of Mt. Shasta City Comment
  SEINET182276 Image available Equisetum hyemale L. C. Wheeler 1934-7-12 2902 Siskiyou Cottonwood Creek Siskiyou Mtns 1220 Comment
  RSA639597  Equisetum hyemale var. affine L. C. Wheeler 1934-7-12 2902 Siskiyou Cottonwood Creek, Siskiyou Mtns. (Mt Diablo Mer.) 1220 Comment
  RSA60487  Equisetum laevigatum John H. Thomas 1949-6-16 941 Siskiyou 10 miles north of Gazelle. Comment
  SEINET3413803  Equisetum telmateia var. braunii Jack Seely 1991-6-2 s.n. Siskiyou Klamath National Forest: West Branch Forest Service Campground; elevation 2200 ft. 671 Comment
  UC817674  Eragrostis mexicana subsp. virescens Louis C. Wheeler 1934-10-6 3314 Siskiyou Oak Knoll Ranger Station; Siskiyou Mts., Klamath River 670 Comment
  CAS-BOT-BC291264  Ericameria bloomeri L. R. Short 1933-9-8 68 Siskiyou Klamath National Forest. Deer Camp 1889 Comment
  CAS-BOT-BC58394  Ericameria bloomeri R. C. Wenk 2008-8-31 989 Siskiyou South Fork of Salmon River, Yellow Rose Mine above Big Flat Meadow. 1981 Comment
  JEPS31333  Ericameria bloomeri Willis L. Jepson 1894-8-4 Siskiyou sw slope Mt. Shasta (Neil's Camp); Region of the Upper Sacramento, Mt. Shasta Comment
  JEPS31342  Ericameria bloomeri Geo. D. Butler 1908-9-25 502 Siskiyou n of Goose Nest Mountains (Old Deter place) 1524 Comment
  POM57939  Ericameria bloomeri E. B. Copeland 1903-9-8 3922 Siskiyou Igerna 1159 Comment
  RSA14485  Ericameria bloomeri Elmer I. Applegate 1923-9-7 3956 Siskiyou Near Dry Lake lookout station, Doggett Ridge, Siskiyou Mts. 1829 Comment
  SEINET5727123 Image available Ericameria bloomeri Lowell E. Urbatsch, Vesna Karaman, Castro 2000-1 7707 Siskiyou Mt. Shasta City. Collected along Road 89, E of Mt. Shasta City.; Mt. Shasta City 1338 Comment
  UC216590  Ericameria bloomeri W. H. Brewer 1862-1 1415 Siskiyou Mt. Shasta Comment
  UC501626  Ericameria bloomeri Frank W. Peirson 1923-7-19 3890 Siskiyou w base Mt. Shasta (road crossing of Whitney Creek); , Whitney Creek Comment
  CAS-BOT-BC286696  Ericameria bloomeri C. B. Wolf 1931-9-2 2391 Siskiyou On rd. to McCloud 1/2 mi. above junction with Pacific Highway 1097 Comment
  SEINET5709308 Image available Ericameria bloomeri J. M. Tucker 1968-1 4143 Siskiyou State Highway 89, 7 miles east of McCloud, Siskiyou County.; McCloud Comment
  SFV8418  Ericameria bloomeri J. M. Tucker 1968-9-14 4143 Siskiyou State Highway 89, 7 miles east of McCloud. Comment
  JEPS97193  Ericameria greenei Julie Kierstead Nelson with Maria Ulloa-Cruz 1995-8-22 95033 Siskiyou 1 1/2 mi W of The Eddys (on Parks Creek Road (Rd. 17); W slope of Parks Creek drainage); Shasta-Trinity National Forests, Mt. Shasta Ranger District 1737 Comment
  HSC68482  Ericameria nauseosa var. speciosa Maralyn A. Renner 1980-6-10 875 Siskiyou Ridge 1 mi. S of Greenhorn Rd. and 1 mi. E of Mill Creek 1341 Comment
  HSC92691  Ericameria nauseosa var. speciosa Jennifer Whipple 1978-10-6 2413 Siskiyou Dale Creek Drainage on the N face of Mt. Eddy 2256 Comment
  JEPS82416  Ericameria nauseosa var. speciosa Gilbert Muth 1966-8-7 503 Siskiyou Lookout Trail, Ridge Marble Mt. Wilderness Area 2057 Comment
  CAS-BOT-BC294402  Ericameria parryi var. latior Alice Eastwood 1912-8-30 2079 Siskiyou Mount Eddy Comment
  UC726586  Ericameria parryi var. latior A. A. Heller 1927-8-1 Siskiyou Sisson Comment
  JEPS81787  Erigeron aliceae Rimo Bacigalupi with Drs. Reino and Aloha Alava 1958-9-3 6894 Siskiyou Poker Flat Siskiyou Mountains 1536 Comment
  UC609333  Erigeron bloomeri var. bloomeri Eleanor Burks Hart 1938-8-18 932 Siskiyou Boulder Peak 2529 Comment
  HSC19551  Erigeron cervinus J. O. Sawyer 1969-8-3 1778 Siskiyou Near Little Duck Lake 2073 Comment
  CAS-BOT-BC297110  Erigeron compositus A. A. Heller 1920-7-9 13423 Siskiyou Mt. Eddy 2438 Comment
  CAS-BOT-BC300379  Erigeron eatonii var. plantagineus Alice Eastwood 1921-7-28 10902 Siskiyou Medicine Lake Comment
  UC87695  Erigeron filifolius Mrs. T. S. Brandegee 1887-7-1 Siskiyou Edgewood Comment
  CAS-BOT-BC296126  Erigeron foliosus var. confinis Doris K. Kildale 1928-7-4 5490 Siskiyou Summit of divide between Salmon River and Scott Valley Comment
  HSC19477  Erigeron glacialis var. glacialis J. O. Sawyer 1969-9-12 2013 Siskiyou Hanging valley N of Wildcat Peak 2012 Comment
  HSC92365  Erigeron glacialis var. glacialis Jennifer Whipple 1976-7-9 1385 Siskiyou Dale Creek drainage on the N face of Mt. Eddy 2195 Comment
  HSC714  Erigeron glacialis var. glacialis William J. Ferlatte 1967-8-20 1046 Siskiyou Trinity Alps, Caribou Basin, Sawtooth Ridge, N-facing slope 2256 Comment
  HSC72381  Erigeron greenei J. P. Smith, J. O. Sawyer, Jane Sawyer, Kevin Sawyer 1976-9-5 8965 Siskiyou 1/2 mile N of Siskiyou County line on Hwy. 3 Comment
  JEPS41428  Erigeron inornatus var. inornatus Geo. D. Butler 1908-7-20 327 Siskiyou head of Long Gulch, near Yreka; Long Gulch Comment
  JEPS84318  Erigeron inornatus var. inornatus L. R. Heckard with S. D'Alcamo, J. Hickman, S. Winchester 1986-7-16 6330 Siskiyou ca 0.5 air mi. from Red Butte, w of Cook and Green Pass. ca 7 mi nne of Seiad Valley 1730 Comment
  OBI53773  Erigeron inornatus var. inornatus David J. Keil 1992-7-20 23481 Siskiyou 10.3 mi W of Fort Jones along Scott River rd; above Scott river 900 Comment
  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
  HSC41051  Erigeron petrophilus var. viscidulus J. O. Sawyer 1969-7-9 1108 Siskiyou Dry slope above Little Duck Lake. Grandiorite 2012 Comment
  CAS-BOT-BC300086  Erigeron philadelphicus Laura M. Lathrop 1903-7-10 s.n. Siskiyou Shasta Retreat Comment
  UC163864  Erigeron philadelphicus var. philadelphicus Geo. D. Butler 1908-6-25 508 Siskiyou creek bank near Yreka Comment
  SJSU6485  Erigeron pumilus var. intermedius R. W. Trivelpiece 1972-6-9 99 Siskiyou about 4 miles east of Grass Lake 1524 Comment
  CAS-BOT-BC224135  Eriodictyon californicum D. E. Breedlove 1962-6-11 3343 Siskiyou 7.4 miles southwest of Scott Bar 624 Comment
  POM165278  Eriogonum alpinum Edward L. Greene 1903-8-18 3813 Siskiyou Mt. Eddy. 2652 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
  UC1211909  Eriogonum compositum var. compositum Roy L. Taylor 1960-6-12 4440 Siskiyou 1 mi w jtn. of Hwy 96 (Klamath River Rd.) and Hwy. 99 n of Yreka (hillsides above the Klamath River); Klamath River 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
  HSC43397  Eriogonum compositum var. compositum K. T. Stillman 1976-7-7 201 Siskiyou Marble Mtn. Wilderness Area, W side of Marble Gap and Ridge 1982 Comment
  RSA237750  Eriogonum compositum var. compositum Frederick W. Oettinger 1967-7-26 199 Siskiyou Northeastern end of Crapo Peak ridge. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2195 Comment
  CAS-BOT-BC242530  Eriogonum congdonii Julie Kierstead Nelson; Rhonda Posey; Ross Olson 2007-8-1 2007 -028 Siskiyou The Eddys, west of Mt. Shasta. East of Toad Lake trailhead, terminus of Forest Service Rd. 40N64, headwaters of Middle Fork of upper Sacramento River 2051 Comment
  RSA237982  Eriogonum diclinum Frederick W. Oettinger 1969-9-4 1643 Siskiyou Little Medicine Mountain, north of Tobacco Lake. Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1921 Comment
  CAS-BOT-BC255703  Eriogonum douglasii var. meridionale Gilbert J. Muth 1969-8-7 1267 Siskiyou Boulder Peak Ridge 2468 Comment
  UC375311  Eriogonum elatum Geo. D. Butler 1908-8-4 210 Siskiyou head of Shackleford Creek Shackleford Creek Comment
  JEPS2576 Image available Eriogonum elatum var. villosum W. L. Jepson 1894-8-1 Siskiyou Horseshoe-Bend Shasta Springs; Horseshoe-Bend, Shasta Springs Comment
  UC1072718  Eriogonum elatum var. villosum Douglas Barbe 1955-7-4 87 Siskiyou 1.3 mi s on the Westside Road to Callahan Etna (near the gate, meadow on s side of road) 853 Comment
  RSA279671  Eriogonum hirtellum James L. Reveal 1978-8-9 4813 Siskiyou Along dirt road to Baldy Mountain Lookout (USFS #17N11), 0.6 mile south of the jct of 17N23, on a ridge dividing Doolittle Creek and little South Fork, about 3.5 miles NNE of the lookout. 1341 Comment
  HSC42999  Eriogonum luteolum J. P. Smith, Steve Selva 1970-6-15 3979 Siskiyou 1 mi. W of junction of Hwy. 3 and Rd. 8 leading to Sugar Creek 1159 Comment
  CAS-BOT-BC263665  Eriogonum luteolum var. luteolum Alice Eastwood 1922-10-23 11550 Siskiyou Yreka Comment
  CAS-BOT-BC263657  Eriogonum luteolum var. luteolum Doris K. Kildale 1925-9-6 1281 Siskiyou Somes Bar, junction of Salmon and Klamath Rivers Comment
  CAS-BOT-BC263661  Eriogonum luteolum var. luteolum Elmer I. Applegate 1923-9-6 3941 Siskiyou Along the Klamath River about 20 miles below the Pacific Highway Comment
  HSC86628  Eriogonum marifolium D. K. Imper Jun 1987 Siskiyou 8 mi. E of the town of Mt. Shasta 1829 Comment
  UC1949265  Eriogonum marifolium Barbara Ertter 1990-7-16 9382 Siskiyou NW side of Mt Eddy ca 8 airmiles SW of Weed, ca 2 mi E of Parks Cr trailhead (= crest of Rt 17) along ridge Comment
  RSA393649  Eriogonum marifolium var. marifolium Cora Mae Life 1923-08 s.n. Siskiyou Near Horse Camp, Mt. Shasta. Comment
  CAS-BOT-BC268694  Eriogonum microthecum var. laxiflorum Elmer I. Applegate 1935-8-3 10018 Siskiyou North base of Caldwell Butte, Lava Beds National Monument Comment
  HSC69137  Eriogonum nudum Maralyn A. Renner 1980-8-8 2481 Siskiyou Klamath National Forest, near trail, ~0.5 mi. down from Rattlesnake Meadow 1555 Comment
  CAS-BOT-BC261620  Eriogonum nudum var. nudum R. Tofsrud; J. M. Tucker 1948-8-2 1753 Siskiyou Outskirts of McCloud Comment
  SD22389  Eriogonum nudum var. nudum Susan G. Stokes 1932-7-14 Siskiyou Near Dorris 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
  SDSU6774  Eriogonum nudum var. oblongifolium D. F. Howe 1961-8-3 3132 Siskiyou 20.3 miles east of Happy Camp on #96. 549 Comment
  CAS-BOT-BC272495  Eriogonum nudum var. pubiflorum Wm. Bridge Cooke 1938-6-17 11037 Siskiyou Mount Shasta. Sisson Southern Trail Comment
  HSC17328  Eriogonum nudum var. pubiflorum D. M. Thomson 1965-7-10 131 Siskiyou Lava Beds N.M., 0.5 mi. S on main rd. from information center Comment
  HSC67790  Eriogonum nudum var. pubiflorum J. O. Sawyer, J. Cole 1980-7-20 3751 Siskiyou 2 mi. N of Little Glass Mtn., on road connecting FS Rd. 45N05 with FS Rd. 47N75 1875 Comment
  CAS-BOT-BC272465  Eriogonum nudum var. pubiflorum G. P. Rixford No date on label s.n. Siskiyou South side of Shaft Rock Mt., Hilt Comment
  CAS-BOT-BC272475  Eriogonum nudum var. pubiflorum Laura M. Lathrop 1908-7-10 s.n. Siskiyou Shasta Retreat Comment
  HSC17318  Eriogonum nudum var. pubiflorum Jerry Parker 1968-10-6 124 Siskiyou Scott Mtn. Rd. Comment
  HSC40982  Eriogonum nudum var. pubiflorum J. O. Sawyer 1975-7-15 2696 Siskiyou 11 mi. W of Ft. Jones along SR 3 Comment
  RSA245303  Eriogonum nudum var. pubiflorum Thomas W. Nelson 1973-7-12 1072 Siskiyou Callahan Comment
  POM253225  Eriogonum ovalifolium var. ovalifolium A. A. Heller 1938-7-13 15272 Siskiyou Border of meadows just south of Bray. 1402 Comment
  CHSC102571  Eriogonum pyrolifolium var. pyrolifolium L. P. Janeway 2009-8-4 9905 Siskiyou High Cascade Range. Mt. Shasta, north slope, 3.7 air km south-southwest of Northgate Trailhead along a small creeklet. 2783 Comment
  UC163863  Eriogonum roseum Geo. D. Butler 1908-8-2 203 Siskiyou Quartz Valley Comment
  RSA11906  Eriogonum roseum Elmer I. Applegate 1923-9-6 3942 Siskiyou Klamath River about 20 mi. below the mouth of Shasta River. Gravelly river bottom. Comment
  POM105606  Eriogonum sphaerocephalum Geo. D. Butler 1910-6-21 1597 Siskiyou Dry hill. Yreka. Comment
  CAS-BOT-BC262759  Eriogonum strictum var. anserinum Louis C. Wheeler 1935-6-29 3625 Siskiyou Yreka 807 Comment
  CAS-BOT-BC263386  Eriogonum strictum var. proliferum Arthur Menzies 1962-7-21 s.n. Siskiyou Mt. Eddy 2529 Comment
  SEINET5331685  Eriogonum strictum var. proliferum W. Roderick 1967-7-28 s.n. Siskiyou Scott Valley, W side of valley. 914 Comment
  UC849749  Eriogonum strictum var. proliferum John Thomas Howell 1937-7-29 13676 Siskiyou n slope of Scott Mountains Scott Mountains 1676 Comment
  CAS-BOT-BC267928  Eriogonum umbellatum Louis C. Wheeler 1934-6-22 2759 Siskiyou Klamath National Forest. Cottonwood Creek 914 Comment
  HSC67771  Eriogonum umbellatum J. O. Sawyer, J. Cole 1980-7-20 3801 Siskiyou E side of Grouse Hill 2134 Comment
  JEPS102933  Eriogonum umbellatum Thomas W. Nelson and Jane P. Nelson 1980-7-20 6154 Siskiyou Along FS road 40N08, Carmen Lake Rd, 6 mi from junction with State Route 3; China Mountain 1645 Comment
  CAS-BOT-BC267983  Eriogonum umbellatum var. argus Louis C. Wheeler 1934-9-1 3234 Siskiyou Jaynes Canyon, Siskiyou Mts. 1950 Comment
  RSA12619  Eriogonum umbellatum var. argus Carl B. Wolf 1934-7-5 5966 Siskiyou 3 6/10 mi. from Dry Lake Lookout on rd. to Horse Creek, Siskiyou Mts. 1982 Comment
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Mar 29 2012
  CAS-BOT-BC105077  Eriogonum umbellatum var. dumosum R. C. Wenk 2008-7-24 925 Siskiyou Kangaroo Lake, S of the Gazelle-Callahan Rd. Serpentine outcrop barrens above S side of lake, about halfway to top of 1889 Comment
  CAS-BOT-BC268150  Eriogonum umbellatum var. humistratum A. A. Heller 1914-8-28 s.n. Siskiyou Mt. Eddy 2346 Comment
  CAS-BOT-BC268156  Eriogonum umbellatum var. humistratum A. A. Heller 1918-7-16 13027 Siskiyou Mt. Eddy, west of Sisson 2651 Comment
  UC2028222  Eriogonum umbellatum var. humistratum Barbara Ertter 1990-7-14 9327 Siskiyou Wagon Creek on E side of Mt. Eddy, ca 4 air miles W of Mt. Shasta City Comment
  JEPS84206  Eriogonum umbellatum var. modocense L. R. Heckard with J. Hickman et al. 1986-7-17 6496 Siskiyou ca 14.5 mi Hwy 96 (Walker) (Oak Knoll Ranger Station road to Condrey Mt.; near Dry Lake); Oak Knoll Ranger Station road 2000 Comment
  CAS-BOT-BC94539  Eriogonum umbellatum var. nelsoniorum R. C. Wenk 2006-7-23 530 Siskiyou Trinity Alps, Coffee Creek Road, Big Flat Meadow. Allong Yellow Rose Mine trail to Dorleska Mine. Growing on barren 2042 Comment
  CAS-BOT-BC265196  Eriogonum umbellatum var. nevadense Noel H. Holmgren; James L. Reveal 1966-6-9 2675 Siskiyou Shasta River Canyon, US 99, 5 miles north of Yreka, Siskiyou Mountains 853 Comment
  HSC66398  Eriogonum umbellatum var. polyanthum Maralyn A. Renner 1980-8-21 2603 Siskiyou SW of trail from Leroy Mine to Sunrise Basin near ridge 2287 Comment
  POM208306  Eriogonum umbellatum var. polyanthum Louis C. Wheeler 1934-6-22 2759 Siskiyou Dry sunny hillside. Cotton Creek, Siskiyou Mts. 915 Comment
  SBBG14884  Eriogonum umbellatum var. polyanthum A. I. Richardson 1961-6-8 17 Siskiyou near Big Springs Rd N of jct with Hwy 97 914 Comment
  HSC30404  Eriogonum umbellatum var. stellatum Frederick W. Oettinger 1968-8-4 398 Siskiyou Marble Mtn. Wilderness Area, ridge S of English Peak Lookout 2226 Comment
  CAS-BOT-BC435530  Eriogonum ursinum var. erubescens James L. Reveal; Julie D. Knorr 2002-8-5 8371 Siskiyou Scott Bar Mountains, N and W slope and ridge of Deadwood Baldy Peak, Klamath Naitonal Forest 1725 Comment
  CAS-BOT-BC262375  Eriogonum vimineum Geo. D. Butler 1910-7-31 1806 Siskiyou Near Yreka Comment
  UC86007  Eriogonum vimineum T. S. Brandegee July 1887 Siskiyou Hornbrook Comment
  CAS-BOT-BC262371  Eriogonum vimineum Alice Eastwood; John Thomas Howell 1937-6-25 5023 Siskiyou Callahan Comment
  HSC92166  Eriophyllum lanatum Jennifer Whipple 1976-6-30 1195 Siskiyou SE slope of Mt. Eddy, draining into the N Fork of the Sacramento River 2226 Comment
  UC507155  Eriophyllum lanatum var. achilleoides Lincoln Constance 1933-7-6 E 122 Siskiyou 6.5 mi n of Dorris Comment
  JEPS34485  Eriophyllum lanatum var. grandiflorum Willis L. Jepson Jul 24 1894-Aug 10 1894 14571 Siskiyou Shasta Springs Upper Sacramento region, Shasta Springs Comment
  UC1483521  Eriophyllum lanatum var. grandiflorum Maralyn A. Renner 1980-6-10 863 Siskiyou ridge 1 mi s of Greenhorn Road (1 mi e of Mill Creek); Yreka Quadrangle 1341 Comment
  POM358038  Eriophyllum lanatum var. grandiflorum B. C. Templeton 1957-6-24 s.n. Siskiyou Near top of Gazelle Mt., Scott Mts. 1463 Comment
  CAS-BOT-BC308280  Eriophyllum lanatum var. integrifolium L. Constance 1940-7-26 15368 Siskiyou Diller Canyon, Mount Shasta 2133 Comment
  CAS-BOT-BC301720  Eriophyllum lanatum var. lanceolatum D. E. Breedlove 1962-6-10 3314 Siskiyou Along Indian Creek Road, 2.3 miles northwest of Happy Camp; Siskiyou Mountains 365 Comment
  SEINET3892024  Eriophyllum lanatum var. lanceolatum P. Burchstead 2008-6-12 16340 Siskiyou Scott Valley, South Kidder Creek, Klamath Region; west of Greenview on north side of Hwy 3, between Ft. Jones and Etna.; 0 860 Comment
  POM358045  Eriophyllum lanatum var. lanceolatum M. B. Dunkle 1944-6-25 9019 Siskiyou Siskiyou National Forest. 1677 Comment
  HSC91049  Erysimum perenne Jennifer Whipple 1976-6-24 1131 Siskiyou N slopes of Mt. Eddy 2439 Comment
  HSC91050  Erysimum perenne Jennifer Whipple 1978-10-6 2410 Siskiyou Slopes in the Eddy Creek drainage 2287 Comment
  JEPS80560  Erysimum perenne Gilbert Muth 1965-8-6 182 Siskiyou trail on backside of mt Marble Mt. Wilderness Area, Black Mountain 1981 Comment
  SD88545  Erythranthe guttata Darley F. Howe 1972-7-5 Siskiyou 0.6 miles south of Oregon state line on road to Happy Camp 1707 Comment
  CHSC71605  Erythranthe linearifolia Vernon H. Oswald; Lowell Ahart 1998-8-3 9419 Siskiyou Kangaroo Lake Rd. (USFS 41N08) 3.9 mi southeast of Gazelle-Callahan Rd. at its intersection with USFS 41N10. 1554 Comment
  CDA39347  Erythronium californicum D. Osterhandt & D. H. Shaw 1978-3-31 s.n. Siskiyou Along road between Forks of Salmon and Somes Bar, southwestern part of county. 0 Comment
  JEPS50833  Erythronium grandiflorum Theodore Niehaus 1967-7-3 769 Siskiyou Sky High Lakes Marble Mt. Wilderness Area Comment
  HSC67492  Eschscholzia californica J. P. Smith, Steve Selva 1970-6-15 3941 Siskiyou Road between Forks of Salmon and Cecilville. 579 Comment
  CDA4823  Euphorbia cyparissias T. C. Fuller 1962-6-16 8968 Siskiyou East of main house, Meiss Lake Ranch, southwest edge of Meiss Lake Basin, ca. 7 miles west of Macdoel. 0 Comment
  CAS-BOT-BC310637  Eurybia radulina A. A. Heller 1915-8-24 12206 Siskiyou Metcalf's ranch, northeast base of Mt. Eddy 1188 Comment
  JEPS83582  Eurybia radulina Dean Wm. Taylor and Glenn L. Clifton 1987-8-5 9225 Siskiyou forest road 36N06 at crossing of Tate Creek; McCloud River drainage (headwaters) 1484 Comment
  SEINET3244013  Euthamia occidentalis G. D. Butler 1910-1 1859 Siskiyou Oro Fins. Comment
  HSC19063  Festuca californica J. O. Sawyer 1969-6-12 900 Siskiyou Along C.C.C. road just S of Sugar Creek 1463 Comment
  UC682121  Festuca californica G. L. Stebbins Jr. with A. A. Beetle 1942-6-1 3266 Siskiyou 15 mi n Happy Camp (above Indian Creek) 1219 Comment
  CAS-BOT-BC283180  Festuca californica subsp. californica A. A. Heller 1905-6-1 7944 Siskiyou Between Upper Soda Spring and Shasta Retreat Comment
  CAS-BOT-BC278721  Festuca idahoensis Wm. Bridge Cooke 1938-7-15 11217 Siskiyou Mount Shasta. Above Bear Spring Comment
  CAS-BOT-BC278725  Festuca idahoensis A. A. Heller 1916-6-23 12440 Siskiyou Near Black Butte north of Sisson 1127 Comment
  HSC103047  Festuca idahoensis J. P. Smith 2014-6-7 13905 Siskiyou Along Forest Service Road 40N08, east of State Route 3 1701 Comment
  HSC27480  Festuca idahoensis J. P. Smith, J. O. Sawyer 1972-5-28 5384 Siskiyou 0.2 mi. E of Butcher Gulch on the Cecilville-Forks of Salmon road. 732 Comment
  JEPS72961  Festuca idahoensis W. L. Jepson 1940-6-28 20059 Siskiyou McCloud 975 Comment
  JEPS73755  Festuca idahoensis Geo. D. Butler 1909-6-13 833 Siskiyou Moffitt Creek Comment
  RSA715931  Festuca idahoensis L. Ahart, John Dittes 2005-6-10 12100 Siskiyou About 100 yards southeast of the pump house along the Shasta River, about 1.9 air miles south of Highway 99/97 Cutoff, about 6 air miles east-southeast of Grenada 777 Comment
  SBBG6156  Festuca idahoensis C. Bornstein 1996-6-29 Siskiyou Caltrans Mt Shasta Vista Pt Overlook 1524 Comment
  UC817929  Festuca pratensis Louis C. Wheeler 1934-6-22 2750 Siskiyou Cottonwood Creek Siskiyou Mts., Mt. Diablo Mer. 914 Comment
  CAS-BOT-BC279070  Festuca rubra L. E. Smith 1915-6-1 s.n. Siskiyou Sisson 1524 Comment
  HSC30647  Festuca rubra Frederick W. Oettinger 1969-9-2 1585 Siskiyou Marble Mtn. Wilderness Area, Bear Meadow near Tom Taylor Cabin 2027 Comment
  CAS-BOT-BC278639  Festuca subulata A. A. Heller 1916-7-20 12466 Siskiyou Metcalf's ranch, northeast base of Mt. Eddy 1188 Comment
  RSA211179  Fragaria californica William J. Ferlatte 1966-6-22 110 Siskiyou Wooded area 3 miles S of Big Flat. 1585 Comment
  RSA451784  Fragaria californica M. B. Dunkle 1944-6-25 9026 Siskiyou Siskiyou National Forest Comment
  HSC19062  Fragaria vesca J. O. Sawyer 1969-6-11 824 Siskiyou Lower slope near C.C.C. road on the N fork of Horse Range Creek 1357 Comment
  HSC92  Fragaria vesca William J. Ferlatte 1967-6-5 487 Siskiyou Big Flat, near public camp 1524 Comment
  UC454005  Fragaria vesca I. J. Condit 1911-7-7 Siskiyou Shasta Retreat 1066 Comment
  UC859959  Fragaria vesca A. A. Heller 1916-6-20 12406 Siskiyou ne base Mt. Eddy (Metcalf's ranch) 1188 Comment
  CAS-BOT-BC437075  Fragaria vesca subsp. bracteata Alice Eastwood 1922-10-18 11517 Siskiyou Shasta Springs Comment
  UCD113133  Frangula rubra Jack Major; M. Fleschner, R. Pemble 1966-9-5 s.n. Siskiyou east of Marble Mountain, Marble Mountains. 1716 Comment
  CAS-BOT-BC55715  Frangula rubra subsp. obtusissima Alice Eastwood 1921-7-31 11013 Siskiyou Shasta Springs Comment
  JEPS116616  Frangula rubra subsp. rubra Julie Kierstead Nelson with Rhonda Posey 2007-6-15 2007 -009 Siskiyou North side of Mt. Shasta, south Hwy 97, along Forest Service Rd. 42N73 Hotlum Fire area burned Feb 2006 ca. 4 mi NE town of Weed Mt. Shasta 1090 Comment
  SEINET3150634  Frasera nitida G. D. Butler 1910-6-2 1451 Siskiyou Dry land near Yreka Comment
  CAS-BOT-BC223585  Fraxinus latifolia Doris K. Kildale 1929-7-20 8648 Siskiyou Trail up South Fork, Indian Creek to Elk Lick Comment
  JEPS61893  Fritillaria atropurpurea W. L. Jepson 1902-7-17 2077 Siskiyou Salmon Summit, Summit of Salmon divide, Western Siskiyou County Salmon Summit 2286 Comment
  CAS-BOT-BC505272  Fritillaria atropurpurea John Thomas Howell 1939-8-2 14896 Siskiyou Spirit Lake, Marble Mts. 1828 Comment
  RSA256720  Fritillaria atropurpurea J. P. Smith 1974-5-26 7558 Siskiyou Along Forest Service Road 47N03 1524 Comment
  CHSC3219  Fritillaria recurva Gerry Carrauthers 1966-5-13 163 Siskiyou 6 mi. from Gazelle on Gazelle Mountain. 1219 Comment
  HSC40220  Fritillaria recurva J. P. Smith 1976-5-21 8775 Siskiyou Klamath National Forest, FS Rd. 40N08, 12.3 mi. from its junction with Hwy. 3 1220 Comment
  UC637127  Galium ambiguum var. siskiyouense Edward Lee 1934-8-13 1061 Siskiyou Happy Camp to Waldo (Oregon) road Klamath National Forest, watershed of West Branch of Indian Comment
  CHSC30250  Galium bifolium M. S. Taylor 1980-7-8 3107 Siskiyou On trail, E side of Caslt Lake to Little Castle Lake. 1767 Comment
  UC144572  Galium bolanderi A. A. Heller 1905-6-15 8034 Siskiyou near Sisson Comment
  UC163753  Galium bolanderi Geo. D. Butler 1908-6-28 414 Siskiyou hill e Oro Fino Comment
  UC164076  Galium bolanderi Geo. D. Butler 1909-7-15 946 Siskiyou Highland Mine Comment
  UC163754  Galium bolanderi Geo. D. Butler 1908-8-21 413 Siskiyou Salmon road w from Etna Comment
  UC722297  Galium bolanderi C. L. Hitchcock and J. S. Martin 1939-7-7 5298 Siskiyou ca 15 mi n Happy Camp (on Happy Camp-Takilma Hwy) 914 Comment
  HSC90533  Galium glabrescens subsp. glabrescens Jennifer Whipple 1976-6-30 1192 Siskiyou SE slope of Mt. Eddy, draining into the N Fork of the Sacramento River 2226 Comment
  JEPS27425  Galium glabrescens subsp. glabrescens Lauramay T. Dempster and Clare Hardham 1961-7-3 1875 Siskiyou w face Scott Mountain (se of Callahan); w face of Scott Mountain Comment
  HSC82001  Galium serpenticum subsp. scotticum Thomas W. Nelson, Jane P. Nelson 1979-6-16 4852 Siskiyou Along Hwy. 3, 3.1 mi. N of Scott Mtn. Summit 1280 Comment
  JEPS83625  Galium serpenticum subsp. scotticum Marla Knight 1987-7-14 935 Siskiyou junction of Hwy 3 and FS Rd. 40N03 Klamath National Forest, Scott River District, China Mtn. SW 1417 Comment
  HSC65425  Galium serpenticum subsp. scotticum D. Reed 1980-8-12 289 Siskiyou Klamath National Forest; Tom Martin Peak 1982 Comment
  UCD80889  Galium trifidum subsp. subbiflorum Robert E. Preston 2001-6-23 1583 Siskiyou Klamath National Forest, n slope of Rainbow Mtn, at Hemlock Lake. 1889 Comment
  UC416664  Galium trifidum var. pusillum Milo S. Baker Aug. 1897 143 Siskiyou Payne's Springs Comment
  HSC19185  Galium triflorum J. O. Sawyer 1968-7-23 584 Siskiyou Along trail from Brown's Valley to Caribou Basin including areas around Snowslide Lake and Caribou Lake. 1829 Comment
  UC21600  Garrya buxifolia Thos. Howell Apr 1892 1437 Siskiyou Siskiyou Mts. Comment
  CAS-BOT-BC182230  Garrya fremontii W. R. Dudley 1899-8-9 s.n. Siskiyou Black Butte Summit Comment
  HSC19180  Garrya fremontii J. O. Sawyer 1968-7-23 608 Siskiyou Near Big Flat Campground, Trinity Alps Primitive Area 1524 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
  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
  UC718018  Gayophytum diffusum subsp. parviflorum Carl B. Wolf 1934-7-4 5940 Siskiyou Horse Creek-Dry Lake Lookout Siskiyou Mts., Klamath River (13 1/2 mi from Horse Creek Bridge) 1524 Comment
  HSC77275  Gayophytum diffusum subsp. parviflorum L. P. Janeway 1983-8-28 629 Siskiyou At Poker Flat. Dry W side of lower portion of meadow. 1524 Comment
  RSA237857  Gayophytum diffusum subsp. parviflorum Frederick W. Oettinger, Robert F. Thorne 1969-8-5 1196 Siskiyou English Lake Basin, on way to Abbotts. Salmon Mountains, the High Lake Basins in the vicinity of English Peak, Marble Mountains Wilderness Area. 1677 Comment
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Dec 10 2015
  SEINET4150938  Gayophytum heterozygum G. D. Butler 1910-7-3 1630 Siskiyou Goosenest foothills 1219 Comment
  UC422807  Gayophytum racemosum Milo S. Baker 1898-8-1 504 Siskiyou Medicine Lake; sw side Comment
  HSC76683  Gayophytum racemosum K. T. Stillman 1976-7-30 324 Siskiyou Marble Mtn. Wilderness Area, ridge N of Black Mtn. into Elk Valley by way of Boulder Field, SE corner of valley 1768 Comment
  UC334253  Gentiana newberryi unknown 1888-9-7 Siskiyou near Mt. Eddy Comment
  CAS-BOT-BC217413  Gentiana plurisetosa Doris K. Kildale 1928-8-19 6508 Siskiyou English Lake, head of north fork of Salmon River 1828 Comment
  RSA68913  Gentiana simplex A. E. Culbertson 1943-8-4 45 Siskiyou One fourth m. below Castle Lake; 14 miles southwest of Mt. Shasta on north side of a 6600 eastern spur of Trinity Mountains. 2000 above Sacramento River within ten air miles of its headwaters to the west. 1657 Comment
  CDA33310  Gentianella amarella F. D. Horn 1979-8-15 Siskiyou South of Carmen Lakes area, west of Scott Mountain, southeast of Callahan. 0 Comment
  RSA240078  Geum macrophyllum Frederick W. Oettinger 1969-8-9 1316 Siskiyou Along main N Fork trail between Five mile Stockgate and Abbott's upper cabin, Salmon Mts. The High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1357 Comment
  HSC75190  Geum triflorum K. T. Stillman 1976-6-26 111 Siskiyou Marble Mountain Wilderness Area 2073 Comment
  LA88501  Gilia capitata O. H. Kappler; 1948-7-16 1801 Siskiyou Siskyou Mountains, on rd to Happy Camp 701 Comment
  UCSB10071  Gilia capitata subsp. capitata Hardham, Clare 1965-8-1 Siskiyou Cudahy Lakes; Marble Mountains 1219 Comment
  NY329474  Glaux acutifolia A. A. Heller 1905-6-20 8073 Siskiyou Gazelle Comment
  RSA582093  Glyceria L. C. Wheeler 1934-6-14 2710 Siskiyou Arrastre Creek off Hungry Creek. Siskiyou Mountains. 1280 Comment
  RSA238349  Glyceria striata Frederick W. Oettinger 1969-9-4 1654 Siskiyou Tobacco Lake. Salmon Mountains High Lake Basin in the vicinity of English Peak. Marble Mountain Wilderness Area. 1890 Comment
  UC1265380  Glyceria striata F. W. Oettinger and R. F. Thorne 1969-8-5 1202 Siskiyou Willow Spring Salmon Mountains (on trail from English Lake to Abbotts Upper Cabin, w Siskiyou County) 1676 Comment
  SEINET10790893  Glyceria striata Lawrence P. Janeway 1983-9-11 Janeway 684 Siskiyou Preston Peak quad (15') T18N, R6E, SW1/4 of sec. 20. Siskiyou Mountains; at Poker Flat, a meadow in a fir forest. On wet edge of a dry "island in middle of the lower wet part of the meadow. 1524 Comment
  HSC19399  Goodyera oblongifolia J. O. Sawyer 1968-7-10 458 Siskiyou Floodplain of Sugar Creek near Sugar Lake. 1799 Comment
  HSC69384  Goodyera oblongifolia Maralyn A. Renner 1980-8-31 2669 Siskiyou Poker Flat at trailhead to Twin Valley 1524 Comment
  UC1585405  Goodyera oblongifolia R. Raiche, K. Zadnik and H. Forbes 1989-3-10 Siskiyou at Cook and Green Pass, Siead Valley Road, [UCBG 55] Green Pass; Siead Valley Road, Cook Pass, Green Pass 1425 Comment
  UC206128  Hackelia californica Milo S. Baker Aug. 1893 Siskiyou Medicine Lake Comment
  CAS-BOT-BC231152  Hackelia cusickii Gary Schoolcraft 1985-6-18 1432 Siskiyou Mahogany Mountains 1584 Comment
  HSC25411  Hackelia micrantha J. P. Smith, J. O. Sawyer, Maralyn O'Meara 1972-7-3 5692 Siskiyou E slope of Kangaroo Mtn. above Toehead Lake. 1890 Comment
  UCD77748  Hackelia micrantha Robert E. Preston 2001-6-23 1600 b Siskiyou Klamath National Forest, n-facing slope of Rainbow Mtn, T42N R1W nw 1/4 of nw 1/4 Section 23 2011 Comment
  SEINET10474688  Haplopappus bloomeri Mary Susan Taylor 1980-8-18 Taylor 3257 A Siskiyou T40N R2E sw sec 30. Shasta-Trinity Natl Forest, Yellow Pine Forest plantation, ca. 50 ft E of Hwy 15, ca. 3 mi N of it jctw ith Hwy 89, ca. 17 mi E of McCloud. With J. Prouty & E. Heinz. Comment
  CAS-BOT-BC123569  Haplopappus racemosus subsp. pinetorum David Daniels Keck 1938-8-8 4862 Siskiyou Scott Mts., ridge between Milll and Mule creeks, 3 mi SE of Scott Mt. Lodge. 1340 Comment
  UC1034054  Hastingsia alba W. Bridge Cooke 1941-8-8 16169 Siskiyou Wagon Camp Swamp , Wagon Camp Swamp (Mount Shasta) 1737 Comment
  UC166573  Hastingsia alba Geo. D. Butler 1910-6-5 1482 Siskiyou Shackleford Creek Comment
  CAS-BOT-BC508657  Hastingsia alba Palmer no date on the lable s.n. Siskiyou Sisson Comment
  RSA47599  Hastingsia alba Roxana S. Ferris, Laura Lorraine 11730 Siskiyou French Creek logging road west of Callahan. 1067 Comment
  UCD138752  Hastingsia alba M. V. Maxwell 1941-6-26 s.n. Siskiyou exact location unknown. Comment
  RSA120897  Hastingsia serpentinicola Milo S. Baker 1957-6-16 15753 Siskiyou Trip to Scott Mt. from turn off near Callahan, 5-6 mi. from turn off. Comment
  JEPS84051  Helenium bigelovii L. R. Heckard with S. D'Alcamo, J. Hickman, and S. Winchester 1986-7-16 6363 Siskiyou ca 0.5 mi e Red Butte summit (ca 7 mi nne of Seiad Valley, w of Cook and Green Pass) 1900 Comment
  RSA298337  Helenium bigelovii J. P. Smith, Steve Selva 1970-7-16 4410 Siskiyou Beaver Creek Campground 823 Comment
  SEINET11196739 Image available Helenium bigelovii I. L. Wiggins 1955-7-26 13510 Siskiyou Banks of S Fork of Salmon River, just above mouth of Blind Horse Creek 887 Comment
  CAS-BOT-BC305314  Helianthella Arthur Menzies 1962-7-21 s.n. Siskiyou Morgan Meadows, base of Mt. Eddy 1706 Comment
  CAS-BOT-BC314839  Helianthella californica var. shastensis L. E. Smith 1913-11-12 s.n. Siskiyou Sisson Comment
  POM55352  Helianthella californica var. shastensis H. M. Hall, E. B. Babcock 1903-06 4056 Siskiyou Near Sisson; Mt. Shasta. 1067 Comment
  CAS-BOT-BC305574  Helianthus bolanderi Ynez W. Winblad 1936-8-13 s.n. Siskiyou Dunsmuir Comment
  JEPS84217  Hemitomes congestum L. R. Heckard with J. Hickman et al. 1986-7-17 6449 Siskiyou Cook and Green Pass ca. 5 mi N of the town of Seiad Valley 1465 Comment
  HSC67600  Hesperochiron pumilus J. P. Smith 1974-5-26 7380 Siskiyou Along FS Rd. 47N03 1524 Comment
  SD136999  Hesperocyparis bakeri C. B. Wolf, E. R. Johnson 1934-10-9 6169 Siskiyou Siskiyou Mountains, above west fork of Seiad Creek, 3/4 mile above forks of creek, south slope in red rock. 1160 Comment
  UC1045251  Hesperolinon micranthum W. Bridge Cooke 1940-7-12 15334 Siskiyou along the Memorial Hwy Mount Shasta Comment
  CAS-BOT-BC312298  Heterotheca villosa var. minor Gilbert Muth 1965-8-4 s.n. Siskiyou Near the marble, Marble Valley Comment
  UC1190181  Heuchera merriamii Ira L. Wiggins 1955-7-29 13581 Siskiyou summit of ridge above Thompson Creek (trail to Caribou Lake); Trinity Alps 1999 Comment
  CAS-BOT-BC94871  Heuchera merriamii R. C. Wenk 2005-7-15 220 Siskiyou Trinity Alps, above S. Fork of Salmon River, along Yellow Rose Mine Trail, N along ridge toward Preacher's Peak 2133 Comment
  HSC61969  Heuchera merriamii Al Hobart 5 Aug [year missing] Siskiyou Preston Peak Comment
  SEINET190977  Heuchera micrantha M. Ownbey, FG Meyer 1940-7-4 2175 Siskiyou Siskiyou Mts NW of Hornbrook Comment
  HSC96812  Heuchera micrantha S. Lyon, J. McIntire 2006-6-25 28 Siskiyou 1.5 mi. SE of Blackbear Summit on USFS Rd. 39N14 1494 Comment
  CAS-BOT-BC424178  Heuchera micrantha var. erubescens W. B. C. 1940-7-12 15319 Siskiyou Box Canyon of the Sacramento near Mount Shasta City Comment
  CAS-BOT-BC319688  Hieracium albiflorum Ira L. Wiggins 1955-7-21 13435 Siskiyou Rush Creek Trail 2 mi. above Mt. View Ranch 1097 Comment
  UC1408926  Hieracium albiflorum Frederick W. Oettinger 1968-8-12 491 Siskiyou S slope trail down to Tobacco Lake from Lily Pond Salmon Mountains, Marble Mountains Wilderness Area (vicinity of English Peak) 1920 Comment
  HSC28228  Hieracium albiflorum Carl W. Mize 1972-6-8 7 Siskiyou 320 Comment
  HSC67747  Hieracium albiflorum J. O. Sawyer, J. Cole 1980-7-21 3817 Siskiyou NW of Little Mt. Hoffman 1982 Comment
  CAS-BOT-BC318544  Hieracium greenei Geo. D. Butler 1980-7-20 328 Siskiyou Humbug Creek Comment
  UC144251  Hieracium nudicaule A. A. Heller 1905-6-22 8088 Siskiyou near Igerna Comment
  CAS-BOT-BC316022  Hieracium scouleri Wm. F. Herrin 1921-6-28 s.n. Siskiyou Shasta Springs Comment
  RSA120888  Hieracium scouleri G. D. Barbe 1957-7-13 382 Siskiyou Big Flat Public Camp, Klamath National Forest. 1524 Comment
  UCD84842  Holcus lanatus A. A. Beetle; G. L. Stebbins Jr. 1942-6-1 3444 Siskiyou Near Happy Camp bank of the Klamath River near habitations. Comment
  HSC40468  Holodiscus discolor J. O. Sawyer 1973-7-18 2554 Siskiyou 1524 Comment
  RSA237610  Holodiscus discolor Frederick W. Oettinger 1969-8-19 1448 Siskiyou Ridge from Arrow Peak to King David Peak. Salmon Mountains. Salmon Mtns. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1951 Comment
  UC1037416  Holodiscus discolor Douglas Barbe 1955-8-4 357 Siskiyou about 1/2 mi w of Big Flat (on the trail from Big Flat to Caribou Lake, Salmon Mountains); Salmon Mountains 1524 Comment
  UC1409361  Holodiscus discolor Frederick W. Oettinger 1968-8-13 503 Siskiyou se side of Hancock Lake, High Lake Basins in vicinity of English Peak, Salmon Mountains, Marble Mountain Wilderness Area Hancock Lake; Salmon Mountains, Marble Mountain Wilderness Area 1935 Comment
  CAS-BOT-BC152384  Holodiscus discolor var. discolor John Thomas Howell 1939-8-6 15106 Siskiyou Elk Mt., Marble Mts. Comment
  LA207930  Holodiscus discolor var. glabrescens W. B. C.; 1938-8-18 11505 Siskiyou Mount Shasta, Above Horse Camp 2438 Comment
  SD76173  Holodiscus discolor var. glabrescens Helen V. Witham 1969-10-6 547 Siskiyou Rocky slope above Kangaroo Lake, Scott Mts. 2400 Comment
  HSC81976  Hordeum brachyantherum Thomas W. Nelson, Jane P. Nelson 1979-6-16 4863 Siskiyou Above Mule Creek, along Hwy. 3, 4.4 mi. N of Scott Mtn. Summit 1220 Comment
  JEPS73758  Hordeum brachyantherum Geo. D. Butler 1909-6-4 813 Siskiyou near Yreka Comment
  CAS-BOT-BC284741  Hordeum jubatum Verne Grant; Irving Schneider 1947-8-26 8302 Siskiyou By Interstate Highway, Lower Klamath Lake Comment
  JEPS107284  Hordeum marinum subsp. gussoneanum Lowell Ahart, John Dittes 2005-6-9 12000 Siskiyou Meadow area along a small drainage, on the east side of a poor rock fence, about 300 yards east of where cattle water in the Shasta River, about 3/5 mile (air) south of Highway 99/97 Cutoff, about 2 1/2 miles (air) east-southeast of Grenada 774 Comment
  CDA2201  Hordeum vulgare var. trifurcatum G. D. Barbe, J. T. Howell, T. C. Fuller 1980-4-28 2589 Siskiyou Between Old Highway 99 and railroad at Truttman Lane, 3.2 km south of Grenada. Comment
  CHSC75747  Horkelia daucifolia Vernon H. Oswald; Lowell Ahart 1999-7-5 9807 Siskiyou Gazelle Mtn. on road 41N03 0.2 mi southeast of Gazelle-Callahan Hwy. 1508 Comment
  UC398680  Horkelia daucifolia A. A. Heller 1927-5-14 14384 Siskiyou near Gazelle (Shasta Valley); Shasta Valley Comment
  CAS-BOT-BC143947  Horkelia daucifolia H. D. Ripley; R. C. Barneby 1948-7-5 9632 Siskiyou 2 mi. SW. of Yreka 853 Comment
  JEPS44539  Horkelia daucifolia Geo. D. Butler 1909-4-27 603 Siskiyou Comment
  SBBG26776  Horkelia daucifolia L. Constance, R. C. Rollins 1942-5-13 Siskiyou Scott River, 2 mi S of Scott Bar 548 Comment
  UCD113410  Horkelia daucifolia J. T. Howell; T. C. Fuller, G. D. Barbe 1980-4-29 2656 Siskiyou Behind motel and restaurant at Old Hwy 99 and Greenhorn Road, south edge of Yreka. Comment
  HSC18932  Horkelia daucifolia var. daucifolia J. O. Sawyer 1969-6-12 925 Siskiyou Along C.C.C. road just S of Sugar Creek 1463 Comment
  HSC49900  Horkelia daucifolia var. daucifolia Maralyn O'Meara 1974-5-25 439 Siskiyou On Rd. 8, 2.4 mi. W of junction with Hwy. 3 1006 Comment
  HSC60168  Horkelia daucifolia var. daucifolia J. P. Smith 1976-5-21 8766 Siskiyou Klamath National Forest, FS Rd. 40N08, 6.9 mi. from its junction with Hwy. 3 1524 Comment
  JEPS74498  Horkelia fusca subsp. parviflora W. J. Ferlatte 1966-8-3 250 Siskiyou near public camp; Big Flat 1524 Comment
  POM35294  Horkelia fusca subsp. parviflora E. B. Copeland 1903-9-5 3865 Siskiyou Igerna Comment
  CAS-BOT-BC536226  Horkelia fusca var. parviflora John Thomas Howell 1937-7-21 13168 Siskiyou South Fork of Salmon River near Big Flat 1524 Comment
  CAS-BOT-BC514288  Horkelia fusca var. pseudocapitata A. A. Heller 1927-8-1 14435 Siskiyou Near Shasts City (Sisson) [type (of H. brownii) collected on the south side of Mt. Shasta] Comment
  JEPS44556  Horkelia tridentata Willis L. Jepson Jul 24 1894-Aug 10 1894 120 p Siskiyou near Sisson; Region of the Upper Sacramento Comment
  CHSC91363  Hornungia procumbens Lowell Ahart; John Dittes 2005-6-10 12057 Siskiyou Near the pump house along the Shasta River, about 1.9 miles (air) south of Highway 99/97 Cutoff, about 6 miles (air) east-southeast of Grenada. 776 Comment
  HSC42916  Hosackia oblongifolia var. oblongifolia J. O. Sawyer, Ken Stillman 1976-7-1 2784 Siskiyou Streamside terraces and lower slopes along the Little N Fork of the Salmon River. 732 Comment
  RSA167327  Hydrophyllum fendleri var. albifrons Joseph P. Tracy 1951-6-16 19496 Siskiyou Summit of Siskiyou Mountains, crossing of the Takilma-Happy Camp Road Comment
  JEPS82677  Hydrophyllum occidentale Wayne Roderick 1984-6-7 Siskiyou sw of Stewart Springs (Cabin Meadow); Cabin Meadow 1935 Comment
  RSA105309  Hymenoxys lemmonii Milo S. Baker 1955-6-26 13075 Siskiyou Hwy 99, 4 miles south of Gazella 915 Comment
  JEPS33847  Hypericum anagalloides Gilbert Muth 1966-8-1 480 Siskiyou Marble Valley horse pasture Marble Mt. Wilderness Area, Marble Valley 1792 Comment
  SEINET10472172  Hypericum anagalloides Mary Susan Taylor 1980-7-8 Taylor 3100 Siskiyou T39N R5W ne sec 24, Dunsmuir quad; Shasta-Trinity Natl Forest; on NW side of Castle Lake, along edge of lake. 1615 Comment
  UC1034590  Hypericum perforatum Douglas Barbe 1955-7-1 72 Siskiyou 1.3 mi. e. Etna (on Westside Rd. to Callahan, s. of the rd.); Klamath Mts. 853 Comment
  SEINET5342445  Idahoa scapigera G. Butler 1910-3-21 1136 Siskiyou Near Yreka. Comment
  UCD77784  Ipomopsis aggregata Robert E. Preston 2002-7-12 1910 Siskiyou Klamath National Forest, S slope of Rainbow Mountain 1798 Comment
  POM64964  Ipomopsis aggregata subsp. formosissima H. P. Chandler 1901-06 1624 Siskiyou Near Marble Mountain 2134 Comment
  HSC76648  Ipomopsis congesta K. T. Stillman 1976-8-7 176 Siskiyou Marble Mtn. Wilderness Area. 2073 Comment
  HSC17050  Ipomopsis congesta R. C. Wunner 1965-6-26 285 Siskiyou Lava Beds National Monument, Schonchin Butte near top 1614 Comment
  POM259367  Ipomopsis congesta J. T. Howell 1939-8-4 15047 Siskiyou Marble Rim, Marble Mts 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
  SDSU11760  Iris missouriensis D. F. Howe 1972-7-8 4883 Siskiyou Grass Lake, 21 miles north of Weed on #97 1524 Comment
  SBBG15965  Iris purdyi D. Myrick 1961-6-21 307 Siskiyou Deer Camp Rd above Oak Knoll Ranger Station, Klamath River, 19 mi W of Hwy 99 1371 Comment
  CAS-BOT-BC88667  Isatis tinctoria Ynez Whilton Winblad 1941-6-30 s.n. Siskiyou Between Oregon line and Yreka. Comment
  SEINET10481752  Isatis tinctoria Katherine L. Morris, Melvin L. Conrad; David B. Dunn 1973-6-2 Morris 342 Siskiyou Found at the jct. Of shasta and klamath rivers on hwy 263. Comment
  UCD115206  Isatis tinctoria J. M. Tucker; L. K. Mann 1963-7-4 3688 Siskiyou 8.5 miles (by road) northeast of Fort Jones. Comment
  CAS-BOT-BC57681  Isoetes bolanderi Elmer I. Applegate 1923-8-19 3889 Siskiyou Medicine Lake Comment
  UC1408840  Isoetes occidentalis Frederick W. Oettinger and R. F. Thorne 1969-8-7 1268 Siskiyou w end English Lake; Salmon Mts, High Lake Basins, English Peak vicinity, Marble 1752 Comment
  SEINET11259939 Image available Iva axillaris G. D. Butler 1910-9-12 1874 Siskiyou Near Lower Klamath Lake Comment
  JEPS96982  Juncus acuminatus Dean W. Taylor 1999-7-18 17279 Siskiyou headwaters of South Fork Hungry Creek (ca. 6 air miles southwest from Hilt) 1432 Comment
  UC618744  Juncus balticus unknown 1938-9-8 11660 Siskiyou Squaw Creek Meadows lower, in the largest meadow Mount Shasta, Squaw Creek Meadows Comment
  JEPS107851  Juncus balticus var. balticus Lowell Ahart, John Dittes 2005-6-9 12043 Siskiyou Meadow area along a small drainage, on the west side of a poor rock fence, about 280 yards east of where cattle water in the Shasta River, about 3/5 mile (air) south of Highway 99/97 Cutoff, about 2 1/2 miles (air) east-southeast of Grenada 774 Comment
  UCSB15124  Juncus bufonius var. bufonius Breedlove, Dennis 1962-6-10 Siskiyou On the north bank of the Klamath River at its junction with Goff Creek; 4.5 miles west of Seiad 411 Comment
  RSA577436  Juncus dubius L. C. Wheeler 1935-6-27 3619 Siskiyou Greenview, Scott Valley. 884 Comment
  CHSC88369  Juncus ensifolius Jenny Marr 1993-7-1 175 Siskiyou Butte Valley Wildlife Area, +/- 7 air miles NW of the town of MacDoel. Meadow NW of Meiss Lake. 1349 Comment
  HSC30700  Juncus hemiendytus var. hemiendytus Frederick W. Oettinger, R. F. Thorne 1969-8-7 1266 Siskiyou Marble Mtn. Wilderness Area, W of Upper English Lake 1768 Comment
  HSC69348  Juncus mertensianus Maralyn A. Renner 1980-8-21 2588 Siskiyou Kidd Creek 2043 Comment
  UC1100995  Juncus nevadensis Herbert L. Mason 1948-7-18 13612 Siskiyou Grass Lake Comment
  HSC30705  Juncus nevadensis var. nevadensis Frederick W. Oettinger, R. F. Thorne 1969-8-5 1205 Siskiyou Marble Mtn. Wilderness Area, Willow Springs on the trail from English Lake to Abbott's Upper Cabin 1677 Comment
  UC618965  Juniperus communis var. saxatilis H. A. Jensen 1933-10-5 360 Siskiyou slope of Shastina Dunsmuir Quadrangle, Shastina Comment
  HSC1276  Juniperus occidentalis R. C. Wunner 1965-6-18 207 Siskiyou Indian Well Campground, Lava Beds National Monument 1433 Comment
  NY20176  Juniperus occidentalis A. A. Heller 1938-7-12 15262 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
  SEINET10826625  Juniperus occidentalis J. William Thompson 1936-7-8 Thompson 13156 Siskiyou Lava slopes of Lava Beds, National Monument. Comment
  RSA659522  Kalmia polifolia subsp. microphylla Gary D. Wallace 1990-7-1 2950 Siskiyou Mount Shasta: Panther Meadow, campground on AAA map. 2255 Comment
  RSA305804  Keckiella corymbosa James R. Shevock 1972-7-26 2226 Siskiyou Along the Klamath River. 518 Comment
  UC60949  Keckiella lemmonii Geo. B. Grant Sep 1902 4189 Siskiyou Dunsmuir Comment
  JEPS12484  Kelloggia galioides Duncan Dunning 1921-7-18 Siskiyou 5-6 mi w Medicine Lake (extreme e Siskiyou County); Pumice Stone Mountain Comment
  JEPS19790  Kelloggia galioides Rimo Bacigalupi with S. Galen Smith 1957-6-25 5931 Siskiyou just w Black Butte railroad junction 1188 Comment
  CHSC86623  Koeleria macrantha Jenny Marr 1993-7-1 6 Siskiyou Butte Valley Wildlife Area, +/- 7 air miles NW of the town of MacDoel. Meadow NW of Meiss Lake. 1349 Comment
  CAS-BOT-BC340613  Lactuca serriola Lewis S. Rose 1925-7-29 s.n. Siskiyou Shasta Springs Comment
  CDA8089  Lagophylla ramosissima M. V. Maxwell 1971-6-23 Siskiyou South part of Yreka. 0 Comment
  RSA406668  Lathyrus Louis C. Wheeler 1934-6-8 2662 Siskiyou Beaver Creek. 1220 Comment
  HSC60784  Lathyrus delnorticus Ruby Van Deventer 1960-7-8 Siskiyou Bell Echo (Bell Echo Camp), in Youngs Valley Comment
  RSA594185  Lathyrus polyphyllus S. O. Mattoon 1977-6-26 60 Siskiyou Gooseneast District; Klamath North Fork; Forest Road 2 miles S of Surveyors Glade; 12 air miles W of MacDoel. 1829 Comment
  RSA30645  Lathyrus tracyi Lincoln Constance, Reed C. Rollins 1942-5-12 2898 Siskiyou Klamath River 2 miles north of Somes Bar. 183 Comment
  SEINET10449271  Ledum glandulosum var. californicum Mary Susan Taylor 1980-7-8 Taylor 3101 Siskiyou T39N R5W ne sec 24, Dunsmuir quad; Shasta-Trinity Natl Forest; on NW side of Castle Lake, along edge of lake. 1615 Comment
  JEPS117633  Lemna minuta Lowell Ahart, John Dittes 2010-7-30 16958 Siskiyou On the south side of the Shasta River, about 80 yards west of the pipe across the Shasta River, about 200 yards east of the East Louie Road Bridge, Shasta Big Springs Ranch, 1.6 miles (air) southwest of Big Springs Lake, 4.6 miles (air) northwest of Dwinn 716 Comment
  CHSC33171  Lepidium campestre R. E. Preston 1981-5-2 54 Siskiyou At Camp Creek Recreation Area, on Irongate Reservoir, ca. 32 km ne of Yreka. 700 Comment
  RSA299472  Lepidium campestre J. P. Smith 1973-5-5 6571 Siskiyou Weed lots of Etna. 793 Comment
  SEINET516322  Lepidium latifolium Vernon H. Oswald 1998-9-16 9646 Siskiyou Vista point on Hwy. 161 adjacent to a marsh at the Lower Klamath NWR 5.3 mi E of Hwy. 97. 1244 Comment
  SEINET3148906  Lepidium medium G. D. Butler 1910-6-27 1612 Siskiyou Yreka Creek Comment
  JEPS53718  Lepidium perfoliatum W. L. Jepson 1940-6-23 19985 Siskiyou e of Mayten (e side of Little Shasta Valley); Little Shasta Valley 883 Comment
  SEINET7073597  Lepidium perfoliatum A. G. Vestal 1955-5-18 s.n. Siskiyou About 2.2 miles southeast of Dorris on US Route 97. UTM Zone 10, 588147mE, 4642648mN. Coordinate datum: NAD27. Comment
  JEPS88951  Lepidium virginicum Geo. D. Butler 1910-6-27 1612 Siskiyou Yreka Creek Comment
  JEPS96946  Lesquerella occidentalis subsp. occidentalis Dean W. Taylor 1997-6-11 16047 Siskiyou Duzel Rock, headwaters Moffett Creek, Scott River drainage 2072 Comment
  CAS-BOT-BC341897  Lessingia nemaclada Edward Lee 1934-8-11 1041 Siskiyou East of the mouth of Walker Creek, a tributary of the Klamath River (east end of Seiad Valley) 441 Comment
  POM56235  Lessingia nemaclada Geo. D. Butler 1910-8-13 1827 Siskiyou Scott Valley Comment
  HSC4874  Leucothoe davisiae J. O. Sawyer 1968-6-18 209 Siskiyou Above S Russian Creek, below the Blake's Fork confluence. 1463 Comment
  JEPS74505  Leucothoe davisiae W. J. Ferlatte 1966-8-3 279 Siskiyou Trinity Alps, Josephine Lake basin Josephine Lake basin; Trinity Alps, Josephine Lake basin 1676 Comment
  SEINET8566352 Image available Lewisia columbiana Unknown 1991-5-30 Siskiyou Collected in dry rocky area of woods Klamath National Forest, Siskiyou County, in northwestern California. West Branch (2200 ft) a Forest Service Camp Ground or Poker Flats (5200 ft) a high mountain meadow 671 Comment
  RSA237461  Lewisia cotyledon Frederick W. Oettinger 1968-8-23 606 Siskiyou Ridge below English Lake overlook by English Peak meadow trail Y going to Hancock Lake, Crapo Peak and Tom Taylor Cabin. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2165 Comment
  UCD19287  Lewisia cotyledon Julie Knorr 1978-7-14 18 Siskiyou Marble Mountain Wilderness, rocky bluff 1 mi. below summit lake on trail. 1889 Comment
  CAS-BOT-BC444081  Lewisia leeana Harley P. Chandler 1901-6-1 1609 Siskiyou North Coast Ranges. Near Marble Mountain 2286 Comment
  JEPS86111  Lewisia leeana Wayne Roderick 1966-7-23 Siskiyou near summit of trail to Little Castle Lake; Castle Lake 1828 Comment
  CAS-BOT-BC444085  Lewisia leeana Doris K. Kildale 1915-8-26 12218 Siskiyou Near the source of Wagon Creek, Mt. Eddy 2590 Comment
  SBBG124419  Lewisia leeana C. B. Hardham 1961-7-1 8011 Siskiyou White Mtn, just below summit 1981 Comment
  UC162636  Lewisia triphylla Harley P. Chandler June, 1901 1607 Siskiyou near Marble Mountain (ridges and meadows); North Coast Ranges 2133 Comment
  HSC40983  Lewisia triphylla J. O. Sawyer 1975-7-16 2698 Siskiyou Along trail to Little Duck Lake, 1/2 mi. E of Lake 1829 Comment
  CAS-BOT-BC283819  Leymus cinereus Elmer I. Applegate 1935-6-5 9302 Siskiyou Capt. Jack's Stronghold, Lava Beds National Monument Comment
  RSA13855  Leymus cinereus L. C. Wheeler 1934-9-22 3292 Siskiyou Walker, Klamath River; Siskiyou Mts. 518 Comment
  UC246736  Leymus cinereus H. E. Brown Jul 15 1897-Jul 31 1897 504 Siskiyou Mt. Shasta; s side 1524 Comment
  JEPS68581  Leymus triticoides Geo. D. Butler 1909-6-19 837 Siskiyou along creek near Yreka Comment
  UC197190  Leymus triticoides Geo. D. Butler 1910-6-13 1562 Siskiyou Yreka Creek Comment
  HSC27106  Ligusticum californicum Carl W. Mize 1972-8-17 104 Siskiyou Near Gates Creek 366 Comment
  HSC76682  Ligusticum californicum K. T. Stillman 1976-7-30 325 Siskiyou Marble Mountain Wilderness Area, Elk Valley Comment
  UCD127547  Ligusticum californicum J. M. Tucker 1974-7-28 4313 Siskiyou Adjacent to camp at Haypress Meadows, Marble Mountain Wilderness Area. 1463 Comment
  SFV8559  Ligusticum californicum J. M. Tucker 1963-8-20 3786 Siskiyou Marble Mountain Wilderness. Headwaters of Canyon Creek. About 0.5 miles northeast of Marble Valley Guard Station. 1921 Comment
  UC165764  Ligusticum grayi Geo. D. Butler 1908-8-11 459 Siskiyou Shackleford Creek near Quartz Valley; Shackleford Creek Comment
  UC30112  Lilium bolanderi W. C. Blasdale Jul 1899 1073 Siskiyou Siskiyou Mts. Comment
  CAS-BOT-BC509357  Lilium kelleyanum Albert M. Vollmer 1949-7-5 11 -B Siskiyou 7 miles from Callahan on Callahan-Carrville road. Comment
  CAS-BOT-BC509361  Lilium kelleyanum Albert M. Vollmer; L. Beane 1953-7-1 109 Siskiyou Foot of Mt. Shasta Comment
  CAS-BOT-BC509365  Lilium kelleyanum Albert M. Vollmer; Ira L. Wiggins 1940-7-5 7 Siskiyou On bottom of canyon and along banks of Cow Creek about 10 miles NE of Sawyer's Bar, on road to Etna. 975 Comment
  CAS-BOT-BC130717  Lilium pardalinum L. R. Short 1933-8-8 1 Siskiyou Klamath National Forest, Dog Wallow Meadow 1828 Comment
  HSC101482  Lilium pardalinum subsp. wigginsii J. P. Smith, J. O. Sawyer 2011-7-21 13034 Siskiyou Near Dillon Camp 1358 Comment
  UC1035030  Lilium pardalinum subsp. wigginsii L. Beane and A. M. Vollmer 1954-7-16 1266 Siskiyou w of Highway 99 (Siskiyou Mountains, near Oregon border); Siskiyou Mountains; Siskiyou Mts., Siskiyou Co. Comment
  RSA237220  Lilium washingtonianum subsp. purpurascens Frederick W. Oettinger 1967-7-6 152 Siskiyou Music Creek Road, 2 miles up from Finley Camp. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. Comment
  UC537990  Linanthus ciliatus Louis C. Wheeler 1934-6-11 2688 Siskiyou North Hungry Creek Siskiyou Mts. 1219 Comment
  JEPS58444  Linanthus harknessii Geo. D. Butler 1910-7-7 1657 Siskiyou Shackleford Creek 1219 Comment
  JEPS58519  Linanthus nuttallii subsp. nuttallii W. L. Jepson Jul 6 1907-Jul 7 1907 2854 Siskiyou on ridge overlooking Klamath; Cuddihy Valley Comment
  SD98972  Linanthus pungens Darley F. Howe 1977-7-5 5002 Siskiyou 15 mi. SE of Granada 4000 Comment
  CHSC91816  Linaria genistifolia subsp. dalmatica T. C. Fuller 1960-6-30 4649 Siskiyou Roadside, Mt. Hebron-Medicine Lake Road, just E/ Rock Rock School road. Comment
  CAS-BOT-BC240385  Linnaea borealis subsp. longiflora A. A. Heller 1905-6-17 8056 Siskiyou Near the Sacramento River west of and near Sisson Comment
  UC912441  Linnaea borealis var. longiflora D. Tebbe 1929-7-15 137 Siskiyou Salmon Mountains Comment
  UC1408773  Linum lewisii Frederick W. Oettinger 1968-8-18 569 Siskiyou Salmon Mts, High Lake Basins in vicinity of English Peak, Marble Mountain Wilderness Area, w side of Hancock Lake Hancock Lake; Salmon Mts, Marble Mountain Wilderness Area 1935 Comment
  CAS-BOT-BC94972  Linum lewisii var. lewisii R. C. Wenk 2005-7-15 205 Siskiyou Trinity Alps, above South Fork of Salmon River, along Yellow Rose Mine Trail 2133 Comment
  UCD110605  Linum lewisii var. lewisii P. Quentin Tomich 1954-8-12 443 Siskiyou Indian Well, Lava Beds National Monument. 1463 Comment
  HSC4905  Listera caurina J. O. Sawyer 1968-7-2 359 Siskiyou Upper drainage of Joe Creek 1677 Comment
  SEINET12030465  Lithocarpus densiflorus M. Ownbey, Meyer, F. G. 1940-1 2163 Siskiyou 7mi NW of McCloud Comment
  RSA697649  Lithocarpus densiflorus var. echinoides Leo Miller 1938-07 s.n. Siskiyou Siskiyou Mnts. 1006 Comment
  HSC60783  Lithophragma heterophyllum Ruby Van Deventer Siskiyou Bell Echo Camp in Youngs Valley Comment
  JEPS47536  Lithophragma parviflorum Elna Long 1934-4-26 Siskiyou head of Sacramento River Shasta City (at Summer School of Chico State College); , Shasta City Comment
  HSC82205  Lithospermum ruderale Thomas W. Nelson, Jane P. Nelson 1980-7-5 5970 Siskiyou Fowler's Campground 1006 Comment
  UCD66312  Lolium perenne A. A. Heller 1915-7-18 12125 Siskiyou Metcalf's ranch, northeast base of Mt. Eddy. 1188 Comment
  SEINET3143862  Lomatium californicum G. D. Butler 1910-5-18 1359 Siskiyou near Yreka Comment
  HSC61916  Lomatium californicum Ruby Van Deventer 5 May [year missing] Siskiyou Poker Flat 1585 Comment
  HSC43035  Lomatium dasycarpum subsp. dasycarpum J. O. Sawyer, Ken Stillman 1976-7-2 2808 Siskiyou Ridges E of the Little N Fork Trail 732 Comment
  UC1424943  Lomatium dissectum var. multifidum Frederick W. Oettinger 1969-7-9 946 Siskiyou slope nw Upper English Lake (high lake basins in vicinity of Eanglish Peak, w Siskiyou Co.); Salmon Mountains, Marble Mountain Wilderness Area 1844 Comment
  CHSC33398  Lomatium macrocarpum J. P. Smith 1974-5-26 7387 Siskiyou Along F.S. road 47N03. 1524 Comment
  HSC29129  Lomatium macrocarpum Frederick W. Oettinger 1969-7-10 958 Siskiyou Marble Mountain Wilderness Area, SSW of Upper English Lake 1921 Comment
  HSC96814  Lomatium macrocarpum S. Lyon, J. McIntire 2006-6-25 30 Siskiyou 200 ft. W of intersection of FS 39N14 and 39N04 1616 Comment
  RSA565096  Lomatium nevadense D. W. Taylor 1993-5-26 13522 Siskiyou 1 mile NW Timbered Crater, ca. 400 m east of Forest Road 40N04 and right-of-way of PG&E natural gas pipeline, on border of narrow meadows along unnamed creek tributary to Adobe Flat 1120 Comment
  CAS-BOT-BC217789  Lomatium peckianum L. E. Smith 1913-6-29 422 Siskiyou Mt. Eddy Comment
  SEINET7042824  Lomatium peckianum A. G. Vestal 1955-5-16 s.n. Siskiyou Bouldery roadside ca. 5.2 miles northwest of Weed. Weed quadrangle UTM Zone 10, 544718mE, 4590385mN. Comment
  HSC46186  Lomatium piperi Jennifer Whipple 1977-3-20 1833 Siskiyou Scott Valley near Weston Gulch 854 Comment
  HSC68484  Lomatium triternatum Maralyn A. Renner 1980-6-22 879 Siskiyou Slopes N of Little Shasta River 1372 Comment
  CDA38460  Lomatium triternatum var. macrocarpum T. C. Fuller 1958-6-19 1889 Siskiyou Tom Williams property, 4 miles northeast of Montague. 0 Comment
  JEPS91124  Lomatium vaginatum Dean Wm. Taylor with Craig Martz, Joe Molter, Barbara Williams, Julie Nelson 1997-5-4 15983 Siskiyou along Yreka Ditch ca. 4 air mi sw Gazelle (hillslopes of mts., bordering Shasta Valley, China Mountain 7 1/2' USGS quadrangle); Klamath Region, Scott Mountains 960 Comment
  UC1731420  Lomatium vaginatum Dean Wm. Taylor with Craig Martz, Joe Molter, Barbara Williams, Julie Nelson 1997-5-4 15983 Siskiyou along Yreka Ditch ca. 4 air mi sw Gazelle (hillslopes of mts., bordering Shasta Valley, China Mountain 7 1/2' USGS quadrangle); Klamath Region, Scott Mountains 960 Comment
  RSA45333  Lonicera ciliosa Dorothy Parker 1947-5-28 185 Siskiyou Gazelle mountains. 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
  UC169069  Lonicera conjugialis Harley P. Chandler 1901-6-21 1605 Siskiyou near Marble Mountain (Haypress meadows); North Coast Ranges 1981 Comment
  UCR101765  Lonicera conjugialis L. C. Wheeler 1958-8-21 7416 Siskiyou Siskiyou Mountains, Lily Pad Lake, head W Fork Seiad Creek 1820 Comment
  UCSB24823  Lonicera conjugialis Keefe, Joseph 1967-7-11 Siskiyou East shore of Castle Lake, 10 miles southwest of the city of Mt. Shasta 1706 Comment
  SBBG7342  Lonicera hispidula H. and M. Dearing 1939-6-30 3753 Siskiyou near Callahan Comment
  CDA15534  Lotus crassifolius G. F. Hrusa 1998-7-5 14702 Siskiyou Siskiyou Mountains; Cedar Camp Rd. +- 5 mi. E of Weitchpec on Hwy 96. N side of Hwy. Mile 8.8. Comment
  SEINET3557097 Image available Lotus crassifolius R. Tofsrud, J. M. Tucker 1948-8-2 1754 Siskiyou outskirts of McCloud Comment
  UC33400  Lotus crassifolius var. crassifolius W. C. Blasdale Aug 1894 Siskiyou Sisson Comment
  UC375401  Lotus crassifolius var. crassifolius Geo. D. Butler 1908-8-3 396 Siskiyou Log Lake Shackleford Creek Comment
  HSC103350  Lotus crassifolius var. crassifolius Thomas W. Nelson, Jane Nelson 1983-7-29 7510 Siskiyou Along Forest Service Rd. 41N14, 5 mi. N of junction with Callahan-Cecilville County Rd., at crossing over Sugar Creek. 1433 Comment
  RSA47632  Lotus douglasii Roxana S. Ferris, Laura Lorraine, R. T. Ferris 1948-6-12 11788 Siskiyou Scott Mountain Road south of Callahan. Comment
  RSA406397  Lotus micranthus Louis C. Wheeler 1934-6-4 2645 Siskiyou Ridge south of Horse Creek near mouth, Siskiyou Mts. (Mt. Diablo mer.) 1067 Comment
  JEPS55532  Lotus nevadensis var. nevadensis W. L. Jepson Jul 1894 13797 Siskiyou w of Mt. Shasta; Upton Comment
  CDA27289  Lotus oblongifolius var. oblongifolius T. C. Fuller 1960-7-25 4867 Siskiyou North limits Mt. Shasta City. 0 Comment
  UC1483453  Lotus oblongifolius var. oblongifolius Maralyn A. Renner 1980-6-25 1084 Siskiyou West Fork, Little South Fork Indian Creek Klamath National Forest, Preston Peak Quad. 1219 Comment
  POM38070  Ludwigia palustris var. pacifica Geo. D. Butler 1910-7-16 1791 Siskiyou Oro Fino Comment
  HSC83  Luetkea pectinata William J. Ferlatte 1966-8-5 343 Siskiyou Caribou Mtn. 2470 Comment
  UCR80256  Luetkea pectinata L. C. Wheeler 1934-8-14 3121 Siskiyou Siskiyou Mtns., 1 mile west of White Mt. 1921 Comment
  HSC44707  Luina hypoleuca J. O. Sawyer, E. Cope 1977-6-18 2897 Siskiyou Along Clear Creek trail below Ten Mile Creek 457 Comment
  JEPS25850  Luina hypoleuca Rimo Bacigalupi with L. Constance and L. Heckard 1960-7-21 7480 Siskiyou 4 mi above Oak Bottom guard station (or 5 mi above and se of Somes Bar); Gorge of Salmon River 274 Comment
  OBI55451  Lupinus David J. Keil 1992-7-20 23508 Siskiyou Klamath Natl Forest, SW of Fort Jones. Along Forest Rd 46N64, 7.4 mi W of Scott river Rd 800 Comment
  HSC2387  Lupinus albicaulis William J. Ferlatte 1966-8-18 426 Siskiyou Willow Creek Trail 1982 Comment
  LA205033  Lupinus albicaulis Wm. Bridge Cooke; 1940-7-12 15329 Siskiyou Memorial Highway near the Mt. Shasta High School 1097 Comment
  RSA519115  Lupinus albicaulis var. albicaulis 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
  UC454636  Lupinus albicaulis var. shastensis I. J. Condit 1911-7-10 Siskiyou Shasta Retreat Comment
  POM11365  Lupinus albicaulis var. shastensis C. P. Smith 1922-8-8 3727 Siskiyou Sisson Comment
  HSC43827  Lupinus albifrons Maralyn O'Meara 1974-5-27 483 Siskiyou Along FS Rd. 47N03 1280 Comment
  CAS-BOT-BC195954  Lupinus albifrons var. albifrons L. E. Smith 1913-4-2 s.n. Siskiyou Between Redding and Hormet [Hornet] Comment
  CAS-BOT-BC195963  Lupinus albifrons var. albifrons Roxana S. Ferris; Laura Lorraine 1948-6-12 11725 Siskiyou French Creek Logging Road west of Callahan 1219 Comment
  RSA47602  Lupinus albifrons var. flumineus Roxana S. Ferris, Laura Lorraine, Daniel F. Ferris 1948-6-12 11725 Siskiyou French Creek logging road west of Callahan. 1067 Comment
  SEINET10838377  Lupinus albifrons var. flumineus Katherine L. Morris 1973-5-25 Morris 281 Siskiyou 9.5 miles ne of the junction of hwy 97 and 5 on us 97, in an area of Arctostaphylos and juniper Comment
  SEINET10937025  Lupinus albifrons var. flumineus Katherine L. Morris 1973-6-2 Morris 370 Siskiyou In an open meadow assoc. With yellow pine on the s side of hwy 3, 22 miles e of Fort jones Comment
  RSA237946  Lupinus andersonii var. andersonii Frederick W. Oettinger 1968-8-19 587 Siskiyou Crapo View Gap, English Peak. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2134 Comment
  JEPS65308  Lupinus arbustus Geo. D. Butler 1909-5-14 705 Siskiyou near Yreka (Klamath Hills); Klamath Hills Comment
  UC84436  Lupinus argenteus Katharine Brandegee July 1887 Siskiyou Edgewood Comment
  UCD107375  Lupinus breweri A. H. Murphy 1953-7-30 KNF 17 Siskiyou Coffee Creek, N. Fork. 2133 Comment
  CAS-BOT-BC215174  Lupinus croceus H. P. Bracelin 1931-6-21 466 Siskiyou N side of Mount Eddy, Dobkin's Lake, Near Mount Shasta City 1828 Comment
  CAS-BOT-BC215194  Lupinus croceus J. H. Thomas 1954-5-13 4136 Siskiyou Near S Fork of Salmon River, 5-9 miles SE of Cecilville, vicinity of Blind Horse Creek, Salmon Mountains, Klamath National Forest. 1066 Comment
  HSC22251  Lupinus croceus J. O. Sawyer 1969-6-12 906 Siskiyou Along C.C.C. road just S of Sugar Creek 1463 Comment
  NY15837  Lupinus croceus H. E. Brown 1897-6-11 392 Siskiyou North side of Mt. Shasta 1524.0 Comment
  UC796500  Lupinus croceus Roxana S. Ferris and Laura Lorraine Jun 12-16 1948 11810 Siskiyou at Mule Creek crossing of Scott Mountain Road 1524 Comment
  JEPS19766  Lupinus croceus Rimo Bacigalupi with S. Galen Smith 1957-6-26 5963 Siskiyou about 3 1/2 mi below (ne of) Gumboot Lake (Canyon of South Fork of Sacramento River); Canyon of South Fork Sacramento River, ne of Gumboot Lake 1767 Comment
  SBBG122855  Lupinus croceus B. Ertter 1990-7-14 9330 Siskiyou Wagon Crk, E side of Mt Eddy, ca. 4 air-mi W of Mt Shasta City 1889 Comment
  SEINET10485422  Lupinus klamathensis Melvin L. Conrad, David B. Dunn; Katherine L. Morris 1973-6-1 Conrad 6964 Siskiyou Road cut, 0.1 mi. N of hornbrook. 732 Comment
  UC1482890  Lupinus klamathensis M. L. Conrad, Dunn, and Kenney 1973-6-2 6972 Siskiyou 1.1 mi from Interstate 5 on Hwy 3 sw Yreka; sw of Yreka 914 Comment
  HSC41642  Lupinus lapidicola Jennifer Whipple 1976-6-12 975 Siskiyou SE slope of Mt. Eddy draining into the N Fork of the Sacramento River 2195 Comment
  SDSU4985  Lupinus lapidicola D. F. Howe 1972-7-4 4869 Siskiyou Ranger Peak road, stoney hilltop just south of Del Norte, marker near Youngs Valley. 1737 Comment
  SEINET10485447  Lupinus lapidicola Thomas W. Nelson, Jane P. Nelson 1979-5-26 Nelson 4721 Siskiyou On serpentine along State Route 3 north of Scott Mountain Summit at junction with Forest Road 40N03. 1524 Comment
  HSC77065  Lupinus latifolius subsp. viridifolius K. T. Stillman 1976-8-7 199 Siskiyou Marble Mtn. Wilderness Area 1829 Comment
  SEINET10489289  Lupinus latifolius subsp. viridifolius Joseph W. Congdon 1900-8-9 Congdon s.n. Siskiyou Near sisson. Comment
  UC338124  Lupinus lepidus var. confertus J. G. Lemmon Siskiyou near Edgwood; near Edgwood Comment
  UC609334  Lupinus lepidus var. lobbii Eleanor Burks Hart 1938-8-18 934 Siskiyou e slope Boulder Peak; e slope Boulder Peak 2529 Comment
  CHSC70125  Lupinus lepidus var. sellulus Jennifer Whipple 1977-8-5 2182 Siskiyou Mt. Eddy, Klamath Mountains. Ridge between Wagon Creek drainage and Little Crater Lake. 2499 Comment
  UC1332444  Lupinus lepidus var. sellulus Ralph K. Gierisch 1968-8-6 3366 Siskiyou Elk Flat; Shasta-Trinity National Forest, Elk Flat 1310 Comment
  UC909328  Lupinus leucophyllus Dorothy Parker 1948-8-5 160 Siskiyou dry sandy field, e. fork of Scott River E Fork of Scott River; Plowman's Valley, e. fork of Scott River 1188 Comment
  SEINET13761751  Lupinus luteolus R. R. Halse 2016-5-29 9715 Siskiyou Along Hilt Road, c 2.1 miles NW of Hilt on the OR/CA state line. 876 Comment
  UC157000  Lupinus luteolus Geo. D. Butler 1910-6-1 1447 Siskiyou near Yreka; near Yreka Comment
  POM10803  Lupinus luteolus E. B. Copeland 1903-7-2 3535 Siskiyou Klamathon Comment
  RSA413775  Lupinus luteolus Bonnie C. Templeton 1957-6-22 s.n. Siskiyou North of Yreka Comment
  SEINET10488765  Lupinus luteolus Katherine L. Morris 1973-6-2 Morris 337 Siskiyou Decomposed volcanic soil on hornbrook to montague rd, about 1 mi se of Hornbrook. Comment
  UC81983  Lupinus nanus Thos. Howell 1889-4-14 1343 Siskiyou Hornbrook; Dry hillsides Hornbrook Comment
  SBBG21863  Lupinus obtusilobus D. Myrick 1964-7-25 965 Siskiyou Panther Meadows, below Ski Bowl Lodge 2346 Comment
  UC454668  Lupinus polyphyllus var. burkei I. J. Condit 1909-8-23 Siskiyou near Sisson Castle Lake (Castle Lake); Castle Lake near Sisson 1828 Comment
  POM24915  Lupinus sellulus subsp. sellulus Geo. D. Butler 1908-8-2 368 Siskiyou Quartz Valley Comment
  POM252843  Lupinus sellulus subsp. sellulus A. A. Heller 1938-7-12 15259 Siskiyou East of Deer Mountain. 1402 Comment
  HSC41643  Lupinus sellulus subsp. ursinus J. O. Sawyer, Ed Cope 1977-6-21 2982 Siskiyou Near Prescott Peak along headwaters of W Fork of Clear Creek 1677 Comment
  SEINET10485918  Lupinus sellulus var. lobbii H. Dearing, M. Dearing 1938-6-28 Dearing 2180 Siskiyou Flower bluish. Location mccloud. Comment
  RSA296805  Lupinus subvexus var. subvexus Geo. D. Butler 1909-5-13 704 Siskiyou Klamath Hills near Yreka. Comment
  NY16053  Lupinus violaceus A. A. Heller 1905-6-15 8037 Siskiyou Near Sisson Comment
  SEINET4460493 Image available Lupinus viridifolius A. A. Heller 1905-1 7928 Siskiyou Comment
  HSC44888  Luzula comosa Maralyn O'Meara 1974-5-25 404 Siskiyou Along road to Duck Lakes trail 1402 Comment
  HSC86563  Luzula comosa D. K. Imper Jul 1989 Siskiyou 8 mi. E of Somes Bar, Haypress Meadows Region 1372 Comment
  UC796535  Luzula comosa var. laxa Roxana S. Ferris and Laura Lorraine Jun 12 -16, 1948 11743 Siskiyou French Creek Logging Road west of Callahan 1066 Comment
  UC909343  Luzula macrantha Ira L. Wiggins 1950-5-28 12362 Siskiyou Margins of Carmel Lake, ca 1.5 mi E of Scott Mountain Road 1737 Comment
  HSC632  Luzula parviflora William J. Ferlatte 1967-7-26 748 Siskiyou Caribou Basin, ridge W of Big Caribou Lake 2134 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
  UC1538956  Luzula parviflora W. J. Ferlatte 1987-7-7 2108 Siskiyou ca 1.6 mi e McCloud River R.R. (Bear Springs area, U.S.F.S. Rd. 31); Shasta Quad., Bear Springs Area, e of McCloud River R.R. 1508 Comment
  HSC96556  Luzula subcongesta Gordon Leppig 1998-8-14 1026 Siskiyou Klamath National Forest, Russian Wilderness, Little Duck Lake Fen, cirque W of Little Duck Lake 2200 Comment
  JEPS101272  Luzula subcongesta Dean W. Taylor 1975-8-14 5358 Siskiyou Mt. Shasta, between Shasta Ski Bowl and Green Butte 2743 Comment
  RSA0015990  Lythrum californicum Louis C. Wheeler 1934-10-11 3316 Siskiyou Oak Knoll Ranger Station, Klamath River, Siskiyou Mountains. 671 Comment
  HSC43052  Lythrum hyssopifolia Ken Stillman 1976-8-24 443 Siskiyou Along Klamath River at Williams Point. 366 Comment
  UCD131201  Machaeranthera canescens var. shastensis J. M. Tucker 1950-7-24 1949 Siskiyou beside Highway 89, 7.5 miles east of McCloud. Comment
  CAS-BOT-BC7469  Madia citriodora Edward Lee Greene 1876-1-1 s.n. Siskiyou Yreka Comment
  CAS-BOT-BC344019  Madia elegans L. B. Kildale 1930-6-1 9738 Siskiyou Salmon River between Oak Bottom and Somes Bar Comment
  POM31388  Madia elegans subsp. elegans Geo D. Butler 1910-5-27 1413 Siskiyou Dry land near Yreka Comment
  CAS-BOT-BC344547  Madia exigua Louis C. Wheeler 1934-6-2 2607 Siskiyou Oak Knoll Ranger Station, Klamath River, Siskiyou Mts. 670 Comment
  HSC77501  Madia exigua L. P. Janeway 1983-6-25 332 Siskiyou Ca. 500 m from West Branch Guard Station 671 Comment
  UC1034071  Madia gracilis W. B. Cooke 1941-7-31 16126 Siskiyou Bear Springs area Mount Shasta Comment
  UC618807  Madia gracilis unknown 1938-8-5 11440 Siskiyou MacBride Springs, Bear Springs; Mount Shasta 1524 Comment
  RSA377706  Maianthemum stellatum J. P. Smith, Steve Selva 1970-6-16 4057 Siskiyou 8 miles west of Etna on road to Sawyers Bar 1372 Comment
  UCD134462  Matricaria discoidea A. A. Heller 1916-7-20 12461 Siskiyou Metcalf's Ranch, northeast base of Mt. Eddy in openings in the forest. 1188 Comment
  CAS-BOT-BC269227  Melica aristata Wm. Bridge Cooke 1939-8-30 13559 Siskiyou Mount Shasta. In the vicinity of MacBride [McBride] Springs Comment
  HSC31097  Melica aristata Frederick W. Oettinger 1969-9-4 1663 Siskiyou Salmon Mtns., N side of Tom Lake Basin. Comment
  HSC77114  Melica bulbosa K. T. Stillman 1976-6-25 68 Siskiyou Marble Mountain Wilderness Area. 1829 Comment
  POM259099  Melica bulbosa C. L. Hitchcock, J. S. Martin 1939-7-9 5311 Siskiyou Between King's Castle and Black Mountains, west side of ridge. 1829 Comment
  UCD86380  Melica bulbosa L. Whitney 1935-7-15 3477 Siskiyou Near Bullseye Lake, 2 miles southeast of Medicine Lake. Comment
  SEINET4671564  Melica bulbosa G. Butler 1910-4-30 1251 Siskiyou Yreka Comment
  SEINET192916 Image available Melica californica L. Constance, RC Rollins 1942-5-14 2934 Siskiyou Shasta River 6 mi N of Yreka Klamath-Siskiyou Region 762 Comment
  CHSC86622  Melica fugax Jenny Marr 1993-7-1 5 Siskiyou Butte Valley Wildlife Area, +/- 7 air miles NW of the town of MacDoel. Meadow NW of Meiss Lake. 1349 Comment
  UCD87292  Melica fugax A. H. Murphy 1953-7-28 KNF 2 Siskiyou Deadman's Peak. 1828 Comment
  UC1265411  Melica harfordii F. W. Oettinger 1969-8-3 1143 Siskiyou above English Lake (w Siskiyou Co.); Salmon Mtns 1828 Comment
  CAS-BOT-BC281388  Melica harfordii Doris K. Kildale 1928-6-24 5276 Siskiyou Entrance to Horse Mountain 914 Comment
  UC618669  Melica subulata unknown 1938-7-15 11178 Siskiyou Bear Springs; Mount Shasta Comment
  CDA36641  Mentzelia dispersa var. latifolia T. C. Fuller 1958-6-19 s.n. Siskiyou Tom Williams property, 4 miles northeast of Montague. 0 Comment
  CAS-BOT-BC334234  Micranthes howellii Dana York 2013-6-14 3169 Siskiyou Klamath National Forest, Siskiyou Wilderness, ca 4.5 km N of Preston Peak, Bell Echo Camp 1440 Comment
  CAS-BOT-BC429153  Micranthes odontoloma John Thomas Howell 1939-8-8 15149 Siskiyou Black Mt., Marble Mts. Comment
  UC166151  Micropus californicus var. californicus Geo. D. Butler 1910-5-7 1297 Siskiyou Yreka Comment
  JEPS100497  Microseris laciniata subsp. detlingii Dean W. Taylor 1999-6-9 17237 Siskiyou Agate Flat, 0.3 miles S of Oregon State Line 1005 Comment
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Feb 26 2006
  UC133485  Microseris laciniata subsp. laciniata Dr. E. B. Copeland 1903-8-13 3818 Siskiyou Sisson 1066 Comment
  UC2015375  Microseris laciniata subsp. siskiyouensis K. L. Chambers 1964-7-10 2242 Siskiyou Hwy. 199, 5.0 mi by road up the Smith River from Patricks Creek Guard Staation. Comment
  CAS-BOT-BC349369  Microseris nutans Alice Eastwood 1921-7-24 10771 Siskiyou Castle Lake Comment
  HSC29119  Microseris nutans Frederick W. Oettinger 1969-7-11 966 Siskiyou High Lake Basins near English Peak; Marble Mtn. Wilderness Area; SE-facing slope on English Lake Trail 1829 Comment
  HSC22489  Mimulus breweri J. O. Sawyer 1969-7-3 1048 Siskiyou Above Lipstick Lake 1951 Comment
  HSC23539  Mimulus breweri J. O. Sawyer 1969-8-4 1799 Siskiyou Above Sugar Lake 2134 Comment
  HSC78192  Mimulus breweri L. P. Janeway 1983-7-10 406 Siskiyou Poker Flat 1524 Comment
  JEPS11704  Mimulus breweri F. W. Pennell 1940-7-19 26197 Siskiyou Mount Shasta 1981 Comment
  RSA237538  Mimulus breweri Frederick W. Oettinger 1969-8-13 1360 Siskiyou main camp site, English Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1829 Comment
  UC1736262  Mimulus jepsonii Dean W. Taylor 1987-6-7 9020 Siskiyou South end Saddle Hills 1645 Comment
  SEINET515851  Mimulus mephiticus Vernon Oswald 1997-7-28 8774 Siskiyou Forest Route 49 (Powder Hill Rd.) at 41N03 (to Porcupine Butte), 16 mi. S of Medicine Lake. 1366 Comment
  UC1034004  Mimulus microphyllus Francis W. Pennell Jul 16 1940-Jul 17 1940 26163 Siskiyou 5 mi sw yreka 914 Comment
  UC618718  Mimulus microphyllus W. Bridge Cooke 1938-6-24 11091 Siskiyou MacBride Springs Mount Shasta Comment
  HSC61893  Mimulus moschatus Ruby Van Deventer 1959-7-10 Siskiyou Poker Flat 1585 Comment
  HSC61894  Mimulus moschatus Ruby Van Deventer 1939-7-18 Siskiyou Poker Flat 1585 Comment
  RSA12487  Mimulus moschatus Carl B. Wolf 1934-7-4 5950 Siskiyou 6.8 miles from Dry Lake lookout on road to Horse Creek, Siskiyou Mountains. 1829 Comment
  JEPS60238  Mimulus nanus var. nanus L. R. Heckard with L. Constance and R. Ornduff 1969-6-24 2292 Siskiyou n Mt. Shasta (along U.S. Highway 97, 0.2 mi n of Yreka road junction) Comment
  HSC71101  Mimulus primuloides Thomas W. Nelson, J. P. Smith, Jane P. Nelson 1978-7-24 4507 Siskiyou Along W side of Hwy. 3 just N of Scott Mtn. Summit 1616 Comment
  JEPS10997  Mimulus primuloides Willis L. Jepson July, 1894 53 m Siskiyou near Sisson; Region of the Upper Sacramento Comment
  UC454789  Mimulus primuloides I. J. Condit 1909-8-22 Siskiyou Sisson Comment
  UC164371  Mimulus primuloides subsp. linearifolius Geo. D. Butler 1910-7-13 1770 Siskiyou Shackleford Creek 1219 Comment
  UC886325  Mimulus primuloides subsp. linearifolius A. A. Heller 1915-8-26 12224 Siskiyou near head Wagon Creek Canyon; Mt. Eddy 2590 Comment
  JEPS3161  Mimulus primuloides subsp. primuloides George D. Butler 1908-8-3 52 Siskiyou near Log Lake 1371 Comment
  JEPS82494  Mimulus primuloides subsp. primuloides Gilbert Muth 1965-8-3 156 Siskiyou Marble Valley Marble Mt. Wilderness Area 1792 Comment
  HSC81621  Mimulus primuloides var. linearifolius Thomas W. Nelson, Jane P. Nelson 1980-7-19 6205 Siskiyou Along USFS Rd. 40N17 1.0 mi. from junction with Callahan-Cecilville Rd. 1585 Comment
  HSC91055  Mimulus primuloides var. linearifolius Jennifer Whipple 1976-7-2 1251 Siskiyou Mt. Eddy: Near Dobkins Lake 2073 Comment
  CAS-BOT-BC388886  Minuartia douglasii Lewis S. Rose 1945-6-18 45125 Siskiyou Horse Creek & Klamath River 502 Comment
  CAS-BOT-BC388880  Minuartia douglasii A. A. Heller 1905-6-20 8084 Siskiyou About midway between Igerna and Weed Comment
  UC564212  Minuartia pusilla E. L. Greene 1876-4-26 727 Siskiyou plains about Yreka Comment
  HSC61892  Mitella breweri Al Hobart 1920-6-13 Siskiyou Poker Flat 1585 Comment
  CAS-BOT-BC433063  Mitella pentandra Gilbert Muth 1966-7-8 375 Siskiyou Marble Valley, Marble Mts. 1792 Comment
  HSC20240  Mitella pentandra Dorothy Parker 1949-7-10 333 Siskiyou Near Paradise Lake, Salmon Mountain 1982 Comment
  RSA184752  Mitella pentandra Gilbert Muth 1966-7-8 375 Siskiyou Marble Valley Meadow, Marble Mountains. 1793 Comment
  HSC75247  Moehringia macrophylla J. P. Smith 1973-5-5 6412 Siskiyou Along Cook and Green Pass Rd. Comment
  UC1053436  Moehringia macrophylla Rimo Bacigalupi and Arthur Holmgren 1950-4-24 3138 Siskiyou opposite town Dunsmuir (on e side of canyon, cliffs along Sacramento River); cliffs along Sacramento River, e side of canyon Comment
  UC609332  Monardella Eleanor Burks Hart 1938-8-22 920 Siskiyou n. side Upper Wright Lake 2225 Comment
  UC1980587  Monardella C. Rose Broome, James L. Reveal, Darin Reveal, Crissie Cagle 1978-8-6 2322 Siskiyou CA highway 96, 0.8 mi W of Hamburg, at Mill Creek, opposite the highway from the Klamath River. Comment
  CAS-BOT-BC222035  Monardella odoratissima subsp. glauca Alice Eastwood 1912-8-30 1987 Siskiyou Mount Eddy Comment
  CHSC99716  Monardella odoratissima subsp. glauca L. P. Janeway 2008-7-24 9484 Siskiyou Klamath Ranges. Siskiyou Mountains; crest of the mountain 1.3 air km east of Condrey Mountain. 2050 Comment
  CAS-BOT-BC222031  Monardella odoratissima subsp. glauca G. P. Rixford No date on label s.n. Siskiyou South side of Shaft-rock [Shaft Rock] Mt., Hilt Comment
  CHSC67840  Monardella odoratissima subsp. pallida James D. Jokerst 1992-7-30 3412 Siskiyou Top of divide between Trinity River, N of road [no additional location data; W of interstate 5? V. Oswald]. Comment
  JEPS63385  Monardella odoratissima subsp. pallida Ruby Van Deventer 1938-7-31 182 Siskiyou near Poker Flat (where trail starts to Twin Valley) 1371 Comment
  UCSB63904  Monardella odoratissima subsp. pallida Oswald, Vernon; Ahart, Lowell 1997-7-28 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: T42N R4E NE1/4 NE1/4 Sect. 6, Yellow Pine Forest 1755 Comment
  CAS-BOT-BC313729  Monardella siskiyouensis Clare Butterworth Hardham 1965-8-1 13080 Siskiyou Sulphur Springs Rd near Happy Camp Comment
  RSA8239  Monotropa hypopitys Elmer I. Applegate 1923-8-18 3855 Siskiyou West slope of Redshale Mountain east of Medicine Lake. 2134 Comment
  JEPS43183  Montia dichotoma Geo. D. Butler 1909-3-23 677 Siskiyou Oro Fino Comment
  RSA601896  Montia linearis L. C. Wheeler 1935-4-18 3431 Siskiyou Greenhorn Creek, Siskiyou Mountains. 944 Comment
  POM256460  Montia parvifolia Edward Lee 1934-8-13 1054 Siskiyou Indian Creek, 4 miles N of Happy Camp, Klamath National forest. 412 Comment
  CAS-BOT-BC267052  Muhlenbergia filiformis W. R. Dudley 1899-8-15 s.n. Siskiyou Near Bartletts Comment
  POM206718  Muhlenbergia filiformis Copeland 1903-9-5 3800 Siskiyou Igerma, N. Cal Comment
  CAS-BOT-BC275336  Muhlenbergia jonesii Ralph K. Gierisch 1968-8-6 3365 Siskiyou Elk Flat, Shasta - Trinity Forest 1310 Comment
  SD109607  Muhlenbergia jonesii John R. Reeder, Charlotte G. Reeder 1972-7-24 5807 Siskiyou 1.5 miles SSE of Bartale, in forest openings 1219 Comment
  RSA403612  Muhlenbergia richardsonis E. Yale Dawson 1948-7-16 5094 Siskiyou Margins of Grass Lake, north of Mount Shasta 1524 Comment
  HSC27352  Nama lobbii D. H. Norris, Thomas W. Nelson, S. Dowty 1971-6-23 19536 Siskiyou Snowman's Hill Summit 3 mi. W of McCloud on Hwy. 89 Comment
  HSC30433  Narthecium californicum Frederick W. Oettinger 1968-9-8 791 Siskiyou Marble Mtn. Wilderness Area. NE of English Lake 1936 Comment
  RSA68912  Narthecium californicum A. E. Culbertson 1943-8-4 46 Siskiyou Castle Lake, in a north facing cirque with an abrupt 1000 backwall; 14 miles southwest of Mt. Shasta on north side of a 6600 eastern spur of Trinity Mountains; 2000 above Sacramento River within 10 air miles of its headwaters to the west. 1657 Comment
  SEINET3991320  Narthecium californicum Unknown 1953-7-29 Siskiyou Summit of Scott Mountain 1625 Comment
  UC1023728  Navarretia capillaris W. Bridge Cooke 1941-7-18 16062 Siskiyou along the Wagon Camp--Bear Springs Road Mount Shasta (Mount Shasta) 1676 Comment
  UC163862  Navarretia divaricata Geo. D. Butler 1908-8-8 104 Siskiyou lake at head of West Fork of Woolly Creek West Fork of Woolly Creek Comment
  RSA148670  Navarretia sinistra Clare B. Hardham 1961-7-3 8114 Siskiyou Scott Mountain south of Calahan. Comment
  UC1114141  Nemophila pedunculata Gene B. Newcomb and H. G. Baker Mar 28 1959-Mar 29 1959 230 Siskiyou on the road to Callahan 11.9 mi w Gazelle; w of Gazelle 1219 Comment
  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
  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-BC60586  Noccaea fendleri subsp. glauca Doris K. Kildale 1929-8-24 8822 Siskiyou Preston Peak. Comment
  CAS-BOT-BC60589  Noccaea fendleri subsp. glauca Arthur Menzies 1962-7-21 s.n. Siskiyou Morgan Meadows, base of Mount Eddy. 1706 Comment
  HSC25493  Noccaea fendleri subsp. glauca J. P. Smith, J. O. Sawyer, Maralyn O'Meara 1972-7-3 5720 Siskiyou E slope of Kangaroo Mtn., above Toehead Lake. 1890 Comment
  HSC593  Noccaea fendleri subsp. glauca William J. Ferlatte 1967-6-30 585 Siskiyou Along the S Fork of the Salmon River, between the campground and Carter's 1524 Comment
  CAS-BOT-BC60587  Noccaea fendleri subsp. glauca L. B. Kildale 1929-5-31 9154 Siskiyou Salmon River. Comment
  UC49997  Nothocalais troximoides Edward L. Greene 1876-5-15 781 Siskiyou near Yreka Comment
  CHSC1871  Nothochelone nemorosa V. Holt 1943-8-13 Siskiyou Marble mountains. 1828 Comment
  UC1238904  Nothochelone nemorosa Freed W. Hoffman 1951-7-15 4026 Siskiyou near Packers' Valley (North Coast Ranges, Marble Mountain); North Coast Ranges, Marble Mountain Comment
  RSA420390  Nothochelone nemorosa M. B. Dunkle 1944-8-25 9165 Siskiyou Sikiyou Nat'l Forest. Coastal northern California. 1768 Comment
  CDA20567  Onopordum tauricum C. Pirosko 2005-7-29 PDR 1303860 Siskiyou Klamath Ranges; Schoolhouse Rd in eastern Siskiyou County, near Hwy 97. 0 Comment
  RSA139036  Onopordum tauricum T. C. Fuller 1960-6-30 4648 Siskiyou F. Voelker property, Wedge Meiss Lake Basin just south Sam's Neck, ca. 15 miles southwest Dorris Comment
  SEINET3163879  Oreobroma howellii G. D. Butler 1910-6-5 1527 Siskiyou Loy Lake Comment
  CAS-BOT-BC355593  Oreostemma alpigenum var. andersonii Doris K. Kildale 1929-8-24 9108 Siskiyou Rattlesnake Meadow, Preston Peak 1676 Comment
  JEPS87126  Oreostemma alpigenum var. andersonii Dean W. Taylor 1992-9-18 13230 Siskiyou .5 m below, (watershed South Fork Sacramento River) Gumboot Lake; South Fork Sacramento River, Gumboot Creek 1844 Comment
  CAS-BOT-BC500190  Orobanche fasciculata John Thomas Howell 1939-8-4 15028 Siskiyou Marble Mts: between Elk Mt. and Marble River Comment
  UC1028684  Orobanche uniflora subsp. occidentalis Herbert L. Mason 1947-5-17 14774 Siskiyou Summit of Scott Mountain grade. Trinity-Siskiyou Counties. Comment
  RSA0059264  Orobanche uniflora subsp. occidentalis Albert M. Vollmer, Lawrence Beane 1951-5-31 12 A Siskiyou On scree near highway, Scott Mountain. Comment
  HSC19210  Orthilia secunda J. O. Sawyer 1968-6-25 316 Siskiyou Along Horse Range Creek 1829 Comment
  CAS-BOT-BC458088  Orthilia secunda A. A. Heller 1914-8-28 11743 Siskiyou Mt. Eddy, east side 1828 Comment
  SEINET6976054  Orthilia secunda M. K. Solecki, J. B. Taft 1986-9-13 2159 Siskiyou Along Canyon Creek Trail between trailhead at Lovers Camp and first junction, Marble Mountain Wilderness. Comment
  UC164266  Orthocarpus cuspidatus subsp. copelandii Geo. D. Butler 1910-7-8 1680 Siskiyou Shackleford Creek 1371 Comment
  UC1736255  Orthocarpus cuspidatus subsp. copelandii Dean W. Taylor 1972-7-4 1604 Siskiyou near Lily Pad Lake 3 miles W of Cook & Green Pass 1767 Comment
  RSA182028  Orthocarpus cuspidatus subsp. copelandii Louise Kellogg 1953-8-8 116 Siskiyou Scott Mountain Public Campground, Klamath National Forest. 1631 Comment
  RSA407988  Orthocarpus cuspidatus subsp. copelandii Louis C. Wheeler 1934-7-3 2858 Siskiyou Soda Creek, Sterling Mt. Siskiyou Mountains. 1677 Comment
  UC1475691  Orthocarpus cuspidatus subsp. cuspidatus Overton, Butler 1979-8-8 13049 Siskiyou close to the town Klamath River (near Windy Camp); Condrey Mt. Quad. 2043 Comment
  HSC69323  Osmorhiza berteroi Maralyn A. Renner 1980-8-31 2666 Siskiyou Poker Flat at trailhead to Twin Valley 1524 Comment
  UCR101291  Oxalis trilliifolia L. C. Wheeler 1959-7-25 7593 Siskiyou Marble Mountains, Camp Three, Rogers Creek 329 Comment
  UC922365  Oxyria digyna Annie M. Alexander and Louise Kellogg 1949-7-28 5888 Siskiyou Marble Mountains Sky High Valley; , Sky High Valley 1767 Comment
  UC1408820  Oxyria digyna Frederick W. Oettinger 1969-8-25 1543 Siskiyou 400 yards from English Peak trail (ne facing slope above Tanner Peak trail, high lake basins in the vicinity of English Peak); Salmon Mountains, Marble Mountain Wilderness Area 2133 Comment
  CAS-BOT-BC316748  Packera cana Elmer Ivan Applegate 1935-6-12 9535 Siskiyou Between Capt. Jack's IceCave and Three Sisters,Lava beds national Monument Comment
  CAS-BOT-BC318450  Packera cana Elmer Ivan Applegate 1935-6-5 9338 Siskiyou Lyons road, north boundaty of lava Beds national Monument Comment
  UC1234603  Packera cana Peter H. Raven 1962-5-30 17901 Siskiyou U.S. Highway 97 8.3 mi n Weed Comment
  UCSC004589  Panicum capillare Randall Morgan 2004-5-31 4177 Siskiyou Castle Crags State Park, Sacramento River Comment
  UCSC004604  Panicum dichotomiflorum subsp. dichotomiflorum Randall Morgan 2004-8-3 4272 Siskiyou Castle Crags State Park, Sacramento River Comment
  RSA238306  Parnassia californica Frederick W. Oettinger 1967-8-21 310 Siskiyou Northwest of Pine Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1878 Comment
  UC1408936  Parnassia fimbriata Frederick W. Oettinger 1968-9-4 699 Siskiyou High Lake Basins in vicinity of English Peak (Salmon Mountains, Marble Mountain Wilderness Area, Abbott's Lake); Salmon Mountains, Marble Mountain Wilderness Area, Abbott's 1722 Comment
  CAS-BOT-BC175608  Parnassia palustris Louis C. Wheeler 1934-8-14 3127 Siskiyou Klamath National Forest. N. side White Mt. 1767 Comment
  UC637039  Paspalum distichum Edward Lee 1934-8-10 1019 Siskiyou near Hamburg (south bank of Klamath River between McKinney and Parkerhouse creeks); s bank of Klamath River 609 Comment
  CAS-BOT-BC202845  Paxistima myrsinites Alice Eastwood 1912-7-15 1117 Siskiyou McCloud Comment
  HSC48275  Paxistima myrsinites P. Stekel, K. Stillman May 1977 232 Siskiyou Along Happy Camp-O'Brien Rd. above Louse Creek Comment
  RSA237257  Paxistima myrsinites Frederick W. Oettinger 1969-8-7 1281 Siskiyou Margin of English Lake. Salmon Mtns. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1768 Comment
  UC163986  Paxistima myrsinites Geo. D. Butler 1910-4-22 1219 Siskiyou Kidder Creek Comment
  UC869933  Paxistima myrsinites John Thomas Howell 1939-8-4 15056 Siskiyou near Spirit Lake; Marble Mts. Comment
  SEINET5460350 Image available Paxistima myrsinites Ross C. Clark, Bob Harvey; Chris Harvey 23911 Siskiyou Understory under Calcedrus and Pinus ponderosa at Sacramento Springs City Park-. Comment
  HSC685  Pedicularis attollens William J. Ferlatte 1967-8-20 1063 Siskiyou Caribou Basin 1982 Comment
  POM15605  Pedicularis attollens E. B. Copeland 1903-8-18 3901 Siskiyou Mt. Eddy. Comment
  RSA401964B  Pedicularis aurantiaca Christopher Davidson 1975-6-5 2684 Siskiyou 0.8 mi N of Scott Mtn Summit on Hwy 3. 1585 Comment
  HSC4829  Pedicularis bracteosa var. flavida J. O. Sawyer 1968-7-23 624 Siskiyou Along trail from Brown's Valley to Caribou Basin including areas around Snowslide Lake and Caribou Lake. 1829 Comment
  CAS-BOT-BC266658  Pedicularis contorta H. A. Thomas; J. H. Thomas 1954-7-24 4491 Siskiyou Salmon-Trinity Mountains. Vicinity of Rush Lake and Rush Creek Meadow. About 9 miles E of Cecilville 1981 Comment
  CAS-BOT-BC228584  Pedicularis densiflora Peter W. Fritsch; James R. Shevock; Lu Lu 2012-6-18 1924 Siskiyou The Eddys Region, Shasta-Trinity National Forest. Gumboot Lake, headwaters of the Sacramento River 1836 Comment
  HSC20918  Pedicularis densiflora Dorothy Parker 1949-5-26 Siskiyou Sugar Creek, Salmon Mtns. range 1677 Comment
  HSC12277  Pedicularis racemosa R. W. Spjut 1970-7-17 448 Siskiyou 16 mi. W of Mt. Shasta at Gumboot Lake, NW corner of lake 1829 Comment
  RSA758223  Pedicularis racemosa Robert F. Thorne 1969-8-2 63323 Siskiyou Klamath National Forest, Salmon Mountains, Marble Mountain Wilderness Area, high lake basins in the vicinity of English Peak Comment
  CHSC118024  Pedicularis racemosa var. racemosa K. M Meyer; A. Townesmith 2007-7-31 181 Siskiyou Shasta Trinity National Forest. 8.1 mi. on NF Rd. 17, off US Hwy. 97. Coniferous forest, steep rocky slope, small waterfall. 1607 Comment
  SEINET10702295  Pedicularis racemosa var. racemosa Karen M. Meyer, Andrew Townesmith 2007-7-31 Meyer 181 Siskiyou Shasta-Trinity National Forest. 8.1 mi. on NF Rd. 17, off US Hwy. 97. 1607 Comment
  HSC69375  Pedicularis semibarbata J. O. Sawyer, J. Cole 1980-7-19 3679 Siskiyou Near FS Rd. 45N05 2018 Comment
  CAS-BOT-BC67682  Pellaea brachyptera Alice Eastwood 1912-8-30 2092 Siskiyou Mount Eddy Comment
  UCR101142  Pellaea brachyptera L. C. Wheeler 1959-7-26 7609 Siskiyou Marble Mountains: near summit of Ukonom Mountain. 1402 Comment
  POM120360  Pellaea breweri Geo D. Butler 1910-7-9 1718 Siskiyou Marble Mtn. 1677 Comment
  JEPS7204  Penstemon anguineus W. L. Jepson 1937-7-30 18537 Siskiyou near Poker Flat summit; Siskiyou Mts., nr Poker Flat summit 1584 Comment
  SDSU10914  Penstemon anguineus D. F. Howe 1965-8-8 4125 Siskiyou Saddle south of Little Grayback, Klamath National Forest. 1402 Comment
  JEPS7202  Penstemon anguineus W. L. Jepson 1907-7-9 2860 Siskiyou s Preston Peak (near Cottage Grove, on Klamath River, Western Siskiyou Mts., western Siskiyou County); Klamath Range, western Siskiyou Mts., Klamath River Comment
  JEPS74563  Penstemon anguineus W. J. Ferlatte 1966-8-5 325 Siskiyou n side Caribou Mtn Trinity Alps, n side of Caribou Mtn 1981 Comment
  JEPS86094  Penstemon anguineus Wayne Roderick 1966-6-26 Siskiyou n Seiad Valley (Pass over Crest of Siskiyou Mtns, Cook and Green Pass and Creek); Pass over Crest Siskiyou Mtns, Cook and Green Pass and Creek 1371 Comment
  RSA607424  Penstemon azureus Louis C. Wheeler 1935-6-9 3565 Siskiyou Yreka Creek. Siskiyou Mtns. 1220 Comment
  JEPS47721  Penstemon cinereus W. B. and V. G. Cooke 1966-7-16 37215 Siskiyou above Bolam Station (along old logging road); Mt. Shasta 1524 Comment
  SFV17485  Penstemon davidsonii var. davidsonii P. Wilson 1998-7-21 3543 Siskiyou Mount Shasta. Sand Flat. 2073 Comment
  HSC58887  Penstemon deustus Marvin Butler 1971-7-12 117 Siskiyou Near Copper Camp, close to the town of Cave Junction 1464 Comment
  CDA41876  Penstemon deustus T. C. Fuller 1962-6-11 8953 Siskiyou East side of Highway 99 to Weed, 0.7 mile north of Black Butte Summit. 0 Comment
  POM256009  Penstemon deustus subsp. deustus Marion Ownbey, Ruth P. Ownbey 1938-7-19 1750 Siskiyou 2.5 miles northwest of Dry Lake Lookout, summit of the Siskiyou Mtns. Comment
  JEPS11266  Penstemon gracilentus W. L. Jepson 1894-8-4 21430 Siskiyou half-way up Mt. Shasta between Sisson sta. and Horse Camp; half-way up Mt. Shasta btw Sisson sta. and Horse Camp Comment
  SD42555  Penstemon gracilentus Carl B. Wolf 1937-8-8 9083 Siskiyou SW. side of Mt. Shasta, along John S. Everett Memorial Highway 2133 Comment
  UC1561057  Penstemon gracilentus Dean Wm. Taylor with Glenn L. Clifton, Rexford Palmer 1987-6-7 9023 Siskiyou near Yellowjacket Ice Cave (Medicine Lake Highland); Upper Modoc Plateau, Medicine Lake highland, nr Yellowjacket 1798 Comment
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Jun 8 2008
  UC690306  Penstemon gracilentus Elmer I. Applegate 1923-8-18 3856 Siskiyou w slope of Redshale Mountains , w slope of Redshale Mountain (Medicine Lake region) 2133 Comment
  NY600698  Penstemon gracilentus K. A. Vincent 1987-6-28 4442 Siskiyou Cascade Range, Mt. Shasta; logged area in scrub flat on lava flow between Mt. Shasta and the Whaleback along Andesite - Military Pass Road, ca. 4.6 miles southeast of junction US 97 located 14.4 miles northeast of junction US 97 and I-5 Business Loop in 1554.5 Comment
  CHSC71506  Penstemon heterodoxus var. shastensis Vernon H. Oswald; Lowell Ahart 1998-7-21 9329 Siskiyou Hwy. 97 between Weed and Macdoel at the east end of Grass Lake. In meadow between the edge of the woods and the marsh. 1524 Comment
  JEPS100297  Penstemon heterodoxus var. shastensis Dean W. Taylor 2001-8-28 17905 Siskiyou Mt. Shasta; Ski Park Highway 0.7 miles north from Highway 89 at Snowmans Hill Summit 1417 Comment
  JEPS109828  Penstemon heterodoxus var. shastensis Dean W. Taylor 2005-7-14 19403 Siskiyou Wagon Camp, along Forest Road 40N25, Panther Creek Drainage, Mount Shasta 1685 Comment
  JEPS11463  Penstemon heterodoxus var. shastensis W. L. Jepson 1940-7-3 20106 Siskiyou (5 mi se Bartle) (Large meadow.); Big Bear Flat 1219 Comment
  SDSU10981  Penstemon heterodoxus var. shastensis D. F. Howe 1962-8-4 3387 Siskiyou Baldy Mtn. 1524 Comment
  NY604478  Penstemon laetus var. laetus D. Parker 1954-6-5 619 Siskiyou Hartstrand Gulch, just east of Scott Valley. 855.9 Comment
  JEPS11379  Penstemon laetus var. sagittatus W. L. Jepson 1940-6-23 20000 Siskiyou e Mayten (e side of Little Shasta Valley); , e of Mayten 883 Comment
  NY604550  Penstemon laetus var. sagittatus J. W. Thompson 1936-7-8 13152 Siskiyou Lava Beds National Monument Comment
  UC917289  Penstemon laetus var. sagittatus R. Tofsrud and J. M. Tucker 1948-8-3 1781 Siskiyou summit of Happy Camp-Waldo (Oregon) road summmit of Happy Camp-Waldo (Oregon) road (on Del Norte-Siskiyou County line) 1554 Comment
  RSA104153  Penstemon laetus var. sagittatus Elmer I. Applegate 1936-7-3 10495 Siskiyou Easterly base of Hippo Butte, Lava Beds Nat'l Monument. Comment
  HSC29296  Penstemon newberryi Frederick W. Oettinger 1968-9-6 747 Siskiyou Marble Mtn. Wilderness Area, Bear Meadow, Tom's Lake region 2188 Comment
  SDSU10960  Penstemon newberryi D. F. Howe 1962-8-6 3405 Siskiyou Mt. Shasta, Shasta National Forest. 2438 Comment
  RSA238741  Penstemon newberryi subsp. berryi Frederick W. Oettinger, Robert F. Thorne 1969-8-5 1219 Siskiyou North side of Crapo View Gap along English Lake trail. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness. Comment
  RSA790237  Penstemon newberryi subsp. berryi Rebecca Wenk 2005-7-19 321 Siskiyou Along Pacific Crest Trail, 2 miles south of parking lot at top of pass on National Forest Road 17, going towards Mt. Eddy. 2165 Comment
  RSA68889  Penstemon newberryi subsp. newberryi A. E. Culbertson 1943-7-10 67 Siskiyou Castle Lake, 5434', in a north facing cirque with an abrupt 1000' backwall, 14 miles SW of Mt Shasta on N side of a 6600' eastern spur of Trinity Mts. 2000' above Sacramento R within 10 air miles of its headwaters to the west. Comment
  CAS-BOT-BC239343  Penstemon newberryi var. berryi Wm. Bridge Cooke 1938-6-17 11010 Siskiyou Mount Shasta. Sisson Southern Trail Comment
  UC61195  Penstemon newberryi var. newberryi W. A. Setchell, C. C. Dobie 1902-7-16 Siskiyou Sisson , Sisson (Mount Shasta) Comment
  CAS-BOT-BC94464  Penstemon parvulus R. C. Wenk 2005-7-19 322 Siskiyou Along Pacific Crest Trail, 2 miles S of parking lot at top of pass on National Forest Road 17, going towards Mt. Eddy 2164 Comment
  UC164347  Penstemon parvulus Geo. D. Butler 1908-8-3 433 Siskiyou Log Lake , Log Lake (Shackleford Creek) Comment
  UC705758  Penstemon parvulus Marion Ownbey, Fred G. Meyer 1940-7-7 2215 Siskiyou summit of Cayenne Ridge , summit of Cayenne Ridge (Marble Mt.) Comment
  POM298283  Penstemon parvulus D. D. Keck 1938-8-8 4876 Siskiyou Siskiyou County at Trinity County line; Scott Mountain Divide, between Scott Mountain and Craggy Peak. 1677 Comment
  NY639254  Penstemon procerus var. formosus H. P. Chandler 06 1901 1639 Siskiyou Near Marble Mountain 2133.6 Comment
  CHSC67610  Penstemon roezlii J. D. Jokerst 1992-7-30 3410 Siskiyou Top of divide between Trinity River, N of road. (Interstate 5?). Comment
  CHSC86633  Penstemon roezlii Jenny Marr 1993-7-1 16 Siskiyou Butte Valley Wildlife Area, +/- 7 air miles NW of the town of MacDoel. Meadow NW of Meiss Lake. 1349 Comment
  NY650118  Penstemon roezlii F. W. Pennell 1940-7-16 26162 Siskiyou 5 miles southwest of Yreka 914.4 Comment
  CAS-BOT-BC239416  Penstemon rupicola Doris K. Kildale 1929-7-20 8577 Siskiyou East spur Preston Peak above Rockefeller Lake 1950 Comment
  NY661065  Penstemon speciosus W. B. Cooke 1940-6-7 15102 Siskiyou Along the Pacific Highway near Black Butte 4000 Comment
  SEINET13761771 Image available Penstemon speciosus R. R. Halse 2016-5-29 9721 Siskiyou Along Hilt Road, E of Hilt by its intersection with I-5. 939 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
  CAS-BOT-BC222756  Perideridia leptocarpa Geo. D. Butler 1910-8-7 1822 Siskiyou Humbug Mountain 1219 Comment
  HSC72363  Perideridia oregana J. P. Smith, J. O. Sawyer, Jane & Kevin Sawyer 1976-9-5 8969 Siskiyou Hwy 3, 2.5 mi. N of Siskiyou-Trinity County line Comment
  CAS-BOT-BC142703  Phacelia cookei W. B. Cooke; V. G. Cooke 1972-6-30 45419 Siskiyou Military Pass Road, Mt. Shasta. In margins of road. 1524 Comment
  HSC30735  Phacelia corymbosa Glenn McGourty 1974-5-25 68 Siskiyou On Rd. 8, 0.9 mi. from jct. with Hwy. 3 976 Comment
  POM73771  Phacelia egena Geo. D. Butler 1910-5-4 1280 Siskiyou Dry hill near Yreka Comment
  JEPS22201  Phacelia heterophylla subsp. virgata Rimo Bacigalupi with Drs. Reino and Aloha Alava 1958-9-1 6782 Siskiyou just below McBride Springs (lower slopes of mt.); Mt. Shasta 1493 Comment
  JEPS105288  Phacelia linearis Dean W. Taylor 1995-6-4 14969 Siskiyou 3 miles west of Highway 89 on Grenada Road; Shasta Valley; Klamath National Forest; (ca. 10 miles North of Weed) 1158 Comment
  SJSU6059  Phacelia linearis R. W. Trivelpiece 1971-6-28 41 Siskiyou N of Alder Cr divide between Whaleback & Haight Mt c. 15 mi N of Mt Shasta 1524 Comment
  SEINET12280270  Phacelia magellanica H. M. Hall, Babcock, E. B. 1903-1 4087 Siskiyou Shasta Valley, Mount Shasta 914 Comment
  HSC41644  Phacelia mutabilis William J. Ferlatte 1966-8-4 306 Siskiyou Dorleska summit 2134 Comment
  RSA12501  Phacelia mutabilis Carl B. Wolf 1934-7-4 5935 Siskiyou Horse Creek Rd. to Dry Lake Lookout, Siskiyou Mts. 13.5 mi. from Horse Creek Bridge on Klamath River. 1524 Comment
  UC1950197  Phacelia pringlei Barbara Ertter with Julie Kierstead and Jim Nelson 1990-7-15 9371 Siskiyou ca 1 mi E of Toad Lake at head of Middle Fk Sacramento River, ca 8 airmiles W of Mt Shasta City Comment
  SBBG122789  Phacelia pringlei B. Ertter 1990-7-14 9338 Siskiyou Wagon Crk, E side of Mt Eddy, ca. 4 air-mi W of Mt Shasta City 1828 Comment
  JEPS107317  Phacelia ramosissima var. ramosissima Lowell Ahart, John Dittes 2005-6-10 12084 Siskiyou Under a juniper tree, about 50 yards southeast of the pump house along the Shasta River, about 1.9 miles (air) south of Highway 99/97 Cutoff, about 6 miles (air) east-southeast of Grenada 776 Comment
  CAS-BOT-BC265817  Phalaris arundinacea Calvin McMillan; Malcom A. Nobs 1949-6-17 802 Siskiyou Grass Lake, Highway 97 Comment
  CAS-BOT-BC77414  Philadelphus lewisii Louis C. Wheeler 1934-7-16 2910 Siskiyou Klamath National Forest, Oak Knoll R.S. 670 Comment
  CAS-BOT-BC77426  Philadelphus lewisii Louis C. Wheeler 1934-7-16 2910 Siskiyou Klamath National Forest, Oak Knoll R.S. 670 Comment
  LA206242  Philadelphus lewisii Louis C. Wheeler; 1934-7-16 2910 Siskiyou Siskiyou Mountains, Oak Knoll Ranger Station, Klamath River 670 Comment
  UC922623  Philadelphus lewisii Annie M. Alexander and Louise Kellogg 1948-9-9 5613 Siskiyou on trail to Taylor Lake Siskiyou Mountains Comment
  CHSC69102  Phleum alpinum Vernon Oswald; Lowell Ahart 1997-7-28 8788 Siskiyou Southeast of Medicine Lake on road 43N54 at a meadow 0.6 mi southeast of Paynes Springs. 1920 Comment
  SEINET10657448  Phleum alpinum A. Arthur Heller 1922-7-15 Heller 13710 Siskiyou Damp meadow at Medicine Lake in the Canadian zone 2134 Comment
  CAS-BOT-BC250953  Phleum pratense Wm. Bridge Cooke 1938-7-15 11202 Siskiyou Mount Shasta. Bear Springs Comment
  HSC43548  Phlox adsurgens Pete Karp 1975-7-10 Siskiyou Happy Camp Forest Campground Comment
  RSA238793  Phlox adsurgens Frederick W. Oettinger, R. F. Thorne 1969-8-6 1240 Siskiyou Pine Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1875 Comment
  HSC92076  Phlox diffusa Jennifer Whipple 1976-6-12 979 Siskiyou SE slope of Mt. Eddy draining into the N Fork of the Sacramento River 2195 Comment
  RSA275280  Phlox diffusa subsp. diffusa J. P. Smith 1973-5-5 6472 Siskiyou Along Cook and Green Pass road. Comment
  UC1540012  Phlox douglasii subsp. rigida M. Mitchell 1931-5-8 1 Siskiyou Lava Beds National Monument 1432 Comment
  RSA104265  Phlox speciosa subsp. occidentalis Elizabeth Sprague 1956-6-3 s.n. Siskiyou 10 miles south of Yreka on Highway 99 Comment
  JEPS95661  Phoradendron densum Vernon H. Oswald and L. Ahart 1999-7-5 9814 Siskiyou Gazelle Mtn. on road 41N03 1.0 mi southeast of Gazelle-Callahan Hwy.: T41N R7W Sect. 3, 5100 ft, yellow pine forest, serpentine substrate. Parasitic on juniper (Juniperus occidentalis). 1554 Comment
  CAS-BOT-BC171211  Phoradendron serotinum subsp. tomentosum Carl B. Wolf 1927-8-26 1038 Siskiyou On the Klamath River, 4 mi N of Gootville Comment
  CAS-BOT-BC171215  Phoradendron serotinum subsp. tomentosum Lewis S. Rose 1925-7-29 s.n. Siskiyou Shasta Springs Comment
  HSC96364  Phyllodoce empetriformis Gordon Leppig, Tony LaBanca, Leonel Arguello 1997-6-27 496 Siskiyou Klamath National Forest, Russian Wilderness, Little Duck Lake Fen 2200 Comment
  UC61670  Phyllodoce empetriformis Geo. B. Grant Sept, 1902 5122 Siskiyou Mount Shasta, Horse Camp Mount Shasta; , Horse Camp 2438 Comment
  SEINET7270871  Phyllodoce empetriformis H. A. Jensen 1933-9-5 s.n. Siskiyou Slope of Shastina 2591 Comment
  CDA5829  Physalis longifolia T. C. Fuller 1966-10-6 15246 Siskiyou Clement ranch, 5 miles north of Montague. 0 Comment
  CAS-BOT-BC140595  Physocarpus capitatus A. A. Heller 1905-6-17 8057 Siskiyou On the banks of the upper Sacramento West/near of Sisson Comment
  POM139827  Physocarpus capitatus E. B. Copeland 1903-6-9 3858 Siskiyou Mt. Eddy Comment
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Jan 23 2011
  CAS-BOT-BC73475  Picea breweriana Arthur Menzies 1961-7-1 s.n. Siskiyou Klamath National Forest - Copper Butte near Cook & Green Pass, north of Seiad Valley. Comment
  CAS-BOT-BC78172  Picea breweriana Doris K. Kildale 1929-7-20 8680 Siskiyou Raspberry Lake, near east spur Preston Peak Comment
  UCSB26297  Picea breweriana Keefe, Joseph 1967-7-10 Siskiyou Indian Creek Road, 22.2 miles north of Happy Camp 1402 Comment
  NY30480  Picea breweriana A. Bell 1963-8-17 s.n. Siskiyou This specimen represents an endangered or threatened species. The specific locality has been removed from this record to protect this species from over-collection. These data may be supplied to researchers on request. Comment
  CAS-BOT-BC73390  Pinus albicaulis Doris K. Kildale 1928-8-20 6613 Siskiyou Hancock Lookout, trail to Marble Mts. 2151 Comment
  HSC1552  Pinus albicaulis J. F. Knezevich 1967-6-3 182 Siskiyou Mt. Shasta NE of the ski lodge, 300 ft. higher than the lodge 2500 Comment
  HSC31987  Pinus albicaulis Steve Selva, Roger Jensen 1974-8-25 54 Siskiyou Top of slopes W of Little Duck Lake Comment
  POM215876  Pinus attenuata L. C. Wheeler 1935-4-14 3418 Siskiyou Siskiyou Mountains: West Fork Seiad Creek. (Mt. Diablo Mer.) 1159 Comment
  POM299043  Pinus attenuata Marion Ownbey, Fred G. Meyer 1940-7-7 2219 Siskiyou Near summit of Cayenne Ridge, Marble Mountain. Comment
  UC55656  Pinus attenuata Harley P. Chandler 1901-6-1 1730 Siskiyou Shackleford Canyon, near Marble Mountain; North Coast Ranges, Shackleford Canyon 1371 Comment
  UC718127  Pinus attenuata Carl B. Wolf 1934-7-4 5929 Siskiyou Klamath River 0.3 mi below Walker Creek Klamath River 426 Comment
  UC1272962  Pinus balfouriana J. M. Tucker and L. K. Mann 1963-8-18 3770 Siskiyou on saddle between Marble Mountain and southwest ridge of Black Mountain; Marble Mountain Wilderness Area 2103 Comment
  UC1585380  Pinus balfouriana R. Raiche, K. Zadnik, and H. Forbes 1989-10-4 UCBG 72 Siskiyou cirque above Deadfall Lakes (near Trinity Co. line); Mt. Eddy 2440 Comment
  UCD134408  Pinus balfouriana J. M. Tucker; L. K. Mann, S. L. Holloway 1963-8-18 3769 Siskiyou Southwestern ridge of Black Marble Mountain, Marble Mountain Wilderness Area. 2133 Comment
  POM120191  Pinus contorta var. murrayana Geo D. Butler 1910-5-10 1333 Siskiyou Swampy woods, Goosenest Mountain 1677 Comment
  HSC69038  Pinus jeffreyi Maralyn A. Renner 1980-8-7 2367 Siskiyou Ridge just E of saddle, S of Rattlesnake Meadow 1799 Comment
  HSC29670  Pinus lambertiana Frederick W. Oettinger 1968-9-3 686 Siskiyou Marble Mtn. Wilderness Area, near top of 'Rusty Ridge' where it grades into Frany Peak to the W of Horse Range Lake 2012 Comment
  HSC36706  Pinus lambertiana Brent Whitely 1975-6-28 103 Siskiyou 915 Comment
  POM281976  Pinus monticola Lyman Benson 1929-3-26 1067 Siskiyou Shoulder of Mt. Shasta near the limit of pine trees. Comment
  UC401411  Pinus ponderosa Geo. D. Butler 1908-7-12 1097 Siskiyou Humbug Mountain Comment
  UC70584  Pinus ponderosa Mrs. Stirring May 1905 Siskiyou Etna Comment
  JEPS84239  Piperia unalascensis L. R. Heckard with S. D'Alcamo, J. Hickman, S. Winchester 1986-7-16 6354 Siskiyou ca 7 mi nne Seiad Valley (about 0.5 mi se of Red Butte, sw of Cook and Green Pass) 1730 Comment
  UC166574  Piperia unalascensis Geo. D. Butler 1671 Siskiyou Comment
  HSC91318  Plagiobothrys hispidulus Jennifer Whipple 1976-7-23 1528 Siskiyou Dale Creek drainage on the N face of Mt. Eddy 2195 Comment
  CAS-BOT-BC231002  Plagiobothrys hispidulus Alice Eastwood 1921-7-25 s.n. Siskiyou Near Pigrim Creek nursery Comment
  CDA6617  Plantago major T. C. Fuller 1962-8-3 9509 Siskiyou Siskiyou Mountains: Gravel bar of Beaver Creek at the mouth of Raggedass Gulch, 5 miles north of the Klamath River. 0 Comment
  JEPS64398  Platanthera leucostachys Willis L. Jepson 1894-8-9 21276 a Siskiyou Shasta Springs Region of Upper Sacramento Comment
  JEPS83874  Platanthera leucostachys Wayne Roderick 1977-7-1 Siskiyou spring area trail to Lily Pad Lake; Siskiyou Mts., vicinity Cook and Green Pass 1706 Comment
  POM208201  Platanthera leucostachys Louis C. Wheeler 1934-6-18 2725 Siskiyou Cottonwood Creek, Siskiyou Mts. Mt. Diablo Mer. 1311 Comment
  RSA237636  Platanthera leucostachys Frederick W. Oettinger 1968-8-7 442 Siskiyou SW of Tabacco Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1890 Comment
  HSC36768  Plectritis macrocera J. P. Smith 1974-5-25 7412 Siskiyou Along Rd. 8, 0.9 mi. from its junction with Hwy. 3 976 Comment
  HSC44640  Pleuricospora fimbriolata Virginia Rumble 1978-7-3 Siskiyou Along N side of Kelly Lake. Bulk Collection 134 1067 Comment
  CAS-BOT-BC261035  Poa Melissa A. Berry 1957-7-8 s.n. Siskiyou South Russian Creek at Power House 822 Comment
  UC1265484  Poa annua Frederick W. Oettinger 1969-8-24 1529 Siskiyou English Lake English Peak; Salmon Mts, High Lake Basins, Marble Mt Wilderness Area 1935 Comment
  CAS-BOT-BC244383  Poa annua Doris K. Kildale 1928-7-3 5417 Siskiyou Forks of Salmon River Comment
  RSA238339  Poa bolanderi Frederick W. Oettinger, Robert F. Thorne 1969-8-6 1236 b Siskiyou North west of Pine Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1883 Comment
  SEINET8221444  Poa bolanderi Harley P. Chandler 1901-1 1703 Siskiyou Shackleford Canon; near Marble Mountain. 1829 Comment
  CAS-BOT-BC254997  Poa bulbosa Morris Halperin 1930-5-17 301 Siskiyou Near Yreka Comment
  SBBG30565  Poa bulbosa D. Myrick 1968-6-25 2009 Siskiyou Mountain Meadow Ranch, Big Flat, head of Coffee Crk; Trinity Alps 1524 Comment
  JEPS109562  Poa cusickii subsp. purpurascens Dean W. Taylor 2002-7-21 18274 Siskiyou The Eddys, cirque at headwaters of Parks Creek above Caldwell Lakes 2316 Comment
  SEINET10655749  Poa epilis A. Arthur Heller 1921-7-17 Heller 13579 Siskiyou Gravelly slope of Mt. Eddy south of Wagon creek at about 7500 feet in the Canadian zone. Comment
  CAS-BOT-BC246634  Poa howellii Lewis S. Rose 1945-6-18 45111 Siskiyou Horse Creek & Klamath River 502 Comment
  UCD91929  Poa pratensis A. H. Murphy 1953-7-29 KNF 11 Siskiyou Steavale Canyon. Klamath National Forest. 1524 Comment
  CAS-BOT-BC256010  Poa pratensis Doris K. Kildale 1928-7-4 5513 Siskiyou Summit of divide between Sawyers Bar and Etna Comment
  CAS-BOT-BC256016  Poa pratensis William M. Hiesey 1947-8-23 556 Siskiyou Klamath River along Highway 96, one mile west of Beaver Creek, 2 mi. N. of Walker 548 Comment
  CHSC91355  Poa pratensis subsp. pratensis Lowell Ahart; John Dittes 2005-6-10 12125 Siskiyou Near a poor dirt road, about 80 yards north of the pump house along the Shasta River, about 1.9 miles (air) south of Highway 99/97 Cutoff, about 6 miles (air) east-southeast of Grenada. 776 Comment
  CAS-BOT-BC247532  Poa pringlei Gilbert Muth 1966-7-31 473 Siskiyou North side of Black Mountain, Marble Mts. 2042 Comment
  POM204949  Poa pringlei E. B. Copeland 1903-8-15 3894 Siskiyou Mt. Shasta 2348 Comment
  POM204730  Poa secunda E. B. Copeland 1903-9-7 3791 Siskiyou Mt. Eddy. Comment
  SDSU2782  Poa secunda subsp. juncifolia D. F. Howe 1977-7-1 4977 Siskiyou 10 miles north of Weaverville on #3 792 Comment
  CDA319  Poa secunda subsp. juncifolia G. D. Barbe, T. C. Fuller, J. T. Howell 1980-4-28 2587 Siskiyou Between Old Highway 99 and railroad at Truttman Lane, 3.2 km south of Grenada. Comment
  CDA18409  Poa secunda subsp. secunda G. D. Barbe, T. C. Fuller & J. T. Howell 1980-4-29 2618 Siskiyou Klamath Ranges; north edge of Fort Jones beside Hwy 3; ; 0.1 mi N of Hamilton St., Ft. Jones. 822 Comment
  HSC101843  Poa secunda subsp. secunda J. P. Smith, J. O. Sawyer, R. J. Cole 2011-5-22 13172 Siskiyou Along road from Cecilville to Forks of Salmon 743 Comment
  SEINET7864991  Poa secunda var. secunda L. C. Wheeler 1935-5-4 3464 Siskiyou Greenhorn Creek, Siskiyou Mountains 853 Comment
  UCD52745  Podagrostis humilis Beecher Crampton 1956-8-22 3860 Siskiyou Panther Meadow, south slope of Mt. Shasta. 2316 Comment
  HSC44955  Polemonium californicum J. O. Sawyer 1978-6-16 3218 Siskiyou Marble Mtn. Wilderness along trail to Elk Valley 1921 Comment
  JEPS84249  Polemonium californicum L. R. Heckard with J. Hickman et al. 1986-7-17 6517 Siskiyou n slope of Condrey Mt. 1960 Comment
  SEINET4335521 Image available Polemonium pulcherrimum Marion Ownbey, Fred G. Meyer 1940-7-4 2186 Siskiyou Ridge above head of Brewer Creek, E side of Mt. Shasta Comment
  NY337078  Polemonium tricolor H. P. Chandler 06 1901 1671 Siskiyou Marble Mountain 2438.4 Comment
  CHSC71292  Polyctenium fremontii var. fremontii Vernon H. Oswald; Lowell Ahart 1998-6-11 9200 Siskiyou Dry Lake on the south side of Tennant Rd. ca. 9 air mi east of Grass Lake, ca. 22 air mi northeast of Weed. In meadow bordering the lake. 1402 Comment
  JEPS51298  Polygonum douglasii subsp. douglasii Willis L. Jepson Jul 24 1894-Aug 10 1894 Siskiyou near Mt. Shasta; Region of the Upper Sacramento, Sisson Comment
  UC850392  Polygonum douglasii subsp. spergulariiforme Alice Eastwood 1922-10-23 11553 Siskiyou Yreka Comment
  UC609355  Polygonum douglasii subsp. spergulariiforme Eleanor Burks Hart 1938-8-13 883 Siskiyou above Scott River 701 Comment
  RSA237772  Polygonum douglasii var. latifolium Frederick W. Oettinger 1968-8-11 470 Siskiyou SW side of creek bed E of Tom Taylor Cabin. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2043 Comment
  RSA237773  Polygonum douglasii var. latifolium Frederick W. Oettinger 1969-8-14 1378 Siskiyou Campsite, English Lake. Salmon Mtns. High Lake Basins in the vicinity of English Peak. Marble Mtn Wilderness Area. 1829 Comment
  RSA240081  Polygonum persicaria Frederick W. Oettinger 1969-8-29 1562 Siskiyou Main N Fork Trail betw 4th and 5th river crossing. Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mtn Wilderness Area. Comment
  SEINET13711311  Polygonum polygaloides subsp. confertiflorum Lowell William Ahart, Lowell William Ahart 1998-1 9335 Siskiyou NE of Weed and E of Grass Lake at Gravel Pit on S Side of Tennant Rd. (T44N, R1W, sec 32, NW 1/4) 4600 Ft. 1402 Comment
  UC1059020  Polygonum polygaloides subsp. kelloggii A. H. Murphy 1956-8-16 56 M Siskiyou Klamath N. F. 1981 Comment
  CAS-BOT-BC420953  Polygonum sawatchense subsp. sawatchense Louis C. Wheeler 1934-7-3 2859 Siskiyou Soda Creek, Sterling Mt., Siskiyou Mts. 1676 Comment
  RSA233674  Polygonum shastense Robert F. Thorne 1969-8-10 38987 Siskiyou Mount Shasta National Forest; south slope of Mt. Shasta at base of boulders. 2378 Comment
  SBBG21921  Polygonum shastense D. Myrick 1964-7-25 957 Siskiyou above Ski Bowl Lodge on Mt Shasta 2407 Comment
  CAS-BOT-BC421063  Polygonum spergulariiforme H. D. Ripley; R. C. Barneby 1948-7-6 9636 Siskiyou Black Butte 1219 Comment
  CAS-BOT-BC421082  Polygonum spergulariiforme John Thomas Howell 1937-7-21 13159 Siskiyou South Fork of Salmon River near Big Flat 1524 Comment
  RSA715631  Polypogon monspeliensis L. Ahart, John Dittes 2005-6-9 12003 Siskiyou About 3/5 mile (air) south of Highway 99/97 Cutoff, about 2 1/2 miles (air) east-southeast of Grenada. 775 Comment
  HSC27335  Polystichum imbricans J. P. Smith, J. O. Sawyer, Maralyn O'Meara 1972-7-3 5709 Siskiyou E slope of Kangaroo Mtn., above Toehead Lake. 1890 Comment
  HSC69324  Polystichum imbricans subsp. imbricans John Palmer 1980-8-12 732 Siskiyou Road to Bearground Spring from Beaver Creek Rd. 1341 Comment
  CAS-BOT-BC72384  Polystichum lemmonii Maxine Wilkes 1940-8-1 s.n. Siskiyou Deep Lake, Marble Mts. Comment
  CHSC31246  Polystichum lemmonii B. Williams 1980-8-27 385 Siskiyou Shasta Forest/Trinity NF Expt. Area. Mt. Eddy. Comment
  HSC34350  Polystichum lemmonii J. P. Smith, J. O. Sawyer 1973-8-14 7303 Siskiyou On trail from Campbell Lake to Cliff Lake 1829 Comment
  HSC44934  Polystichum lemmonii J. O. Sawyer 1978-6-17 3234 Siskiyou Marble Mtn. Wilderness Area, slopes E of Gem Lake 2073 Comment
  HSC81755  Polystichum lemmonii Thomas W. Nelson, Jane Nelson 1980-7-20 6184 Siskiyou Above and to SE of Big Carmen Lake 1738 Comment
  HSC92661  Polystichum lemmonii Jennifer Whipple 1976-9-3 1783 Siskiyou W facing slope of the ridge between Durney Lake and Little Crater Lake 2195 Comment
  RSA693357  Polystichum lemmonii L. C. Wheeler 1934-8-13 3114 Siskiyou East Fork Horse Creek. About rocks, bare north slope 1982 Comment
  UC1034653  Polystichum lemmonii Douglas Barbe 1955-7-26 287 Siskiyou below summit Scott Mt.; Klamath Mts. 1981 Comment
  UC185240  Polystichum lemmonii Geo. D. Butler 1910-7-12 1756 Siskiyou Schackleford Creek 1371 Comment
  CAS-BOT-BC72404  Polystichum lonchitis J. M. Tucker 1963-8-19 3772 Siskiyou headwaters of Canyon Creek, Marble Mountain Wilderness Area 1950 Comment
  HSC79131  Polystichum lonchitis C. J. Thomas 1983-10-1 87 Siskiyou N side of Black Mtn. in Marble Mtn. Wilderness 1976 Comment
  LA2445  Polystichum lonchitis Louis Wheeler; 1934-8-6 3058 Siskiyou Rock Gulch off Jaynes Canyon 1828 Comment
  OBI1446  Polystichum lonchitis Lawrence L. Kiefer 1963-8-11 805 Siskiyou Kangaroo Lake (NE Callahan), E side of lake 2134 Comment
Read comments
Oct 24 2014
  CAS-BOT-BC76680  Polystichum munitum Doris K. Kildale 1928-7-3 5450 Siskiyou Little North Fork Salmon River Comment
  UC1483403  Polystichum munitum John Palmer 1980-8-15 982 Siskiyou ne Seiad Low Gap (on spur of F.S. Rd. 46N50); Seiad Valley Quadrangle 1097 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-BC102763  Populus tremuloides W. B. C. 1938-8-23 11577 Siskiyou Top of the Shastina Lava Park on the north side of Shastina 2438 Comment
  CAS-BOT-BC102773  Populus tremuloides W. B. C. 1938-8-23 11577 Siskiyou Top of the Shastina Lava Park on the north side of Shastina 2438 Comment
  UC1409244  Populus tremuloides Frederick W. Oettinger 1968-8-17 558 Siskiyou n Pine Lake (high lake basins in vicinity of English Peak, Marble Mountain Wilderness Area); Salmon Mountains, Marble Mountain Wilderness Area 1859 Comment
  UC618728  Populus tremuloides W. Bridge Cooke 1938-8-23 11577 Siskiyou top of the Shastina Lava Park Mount Shasta (n side Shastina); , , n side Shastina Comment
  UCD77956  Populus tremuloides Robert E. Preston 2001-6-30 1663 Siskiyou Klamath National Forest, Hemlock Lake, T42N R1W se 1/4 of se 1/4 Section 14 1889 Comment
  SEINET10906094  Porterella carnosula Noel H. Holmgren 1980-7-1 Holmgren 9449 a Siskiyou U.S. Highway 97, 21.4 km (13.3 miles) south-southwest of Macdoel 1524 Comment
  RSA240075  Potamogeton alpinus Frederick W. Oettinger 1969-8-21 1473 Siskiyou Ethel Lake. Salmon Mtns. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1738 Comment
  UC1265462  Potamogeton berchtoldii Frederick W. Oettinger 1969-8-18 1417 Siskiyou at nw shore of Horse Range Lake (High Lake Basins in Vicinity of English Peak); Salmon Mountains, Marble Mountain Wilderness Area 1821 Comment
  HSC69382  Potamogeton natans Maralyn A. Renner 1980-8-4 2207 Siskiyou Flint Valley 1390 Comment
  UCR101770  Potamogeton richardsonii L. C. Wheeler 1958-8-21 7414 Siskiyou Siskiyou Mountains, Lily Pad Lake, head W Fork Seiad Creek 1820 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
  HSC18933  Potentilla breweri J. O. Sawyer 1969-7-18 1370 Siskiyou E of Waterdog Lake 2012 Comment
  JEPS44292  Potentilla breweri W. L. Jepson 1907-7-4 2815 Siskiyou Shackleford Canyon near Marble Mountain (W Siskiyou County); Shackleford Canyon Comment
  HSC69361  Potentilla flabellifolia Maralyn A. Renner 1980-8-19 2487 Siskiyou S side of Caribou Lake 2104 Comment
  HSC18934  Potentilla flabellifolia J. O. Sawyer 1969-7-25 1537 Siskiyou NE facing upper slope above Sugar Lake 2104 Comment
  JEPS74487  Potentilla fruticosa W. J. Ferlatte 1966-8-19 441 Siskiyou Kidd Creek Trail Trinity Alps, Kidd Creek Trail 1676 Comment
  CAS-BOT-BC540546  Potentilla gracilis var. fastigiata David D. Keck 1938-8-8 4869 Siskiyou Scott Mountain Divide, between Scott Mountain and Craggy Peak, at Trinity Co. line 1676 Comment
  HSC78221  Potentilla gracilis var. fastigiata L. P. Janeway 1983-8-28 628 Siskiyou At Poker Flat. Dry W side of lower portion of meadow. 1524 Comment
  HSC90739  Potentilla gracilis var. fastigiata Jennifer Whipple 1976-6-17 1027 Siskiyou Near Durney Lake, N end of lake 2073 Comment
  CAS-BOT-BC143317  Potentilla newberryi Lillian S. Mott 1967-7-2 LM 6761 Siskiyou Along highway near Dorris 1524 Comment
  SEINET516294  Potentilla newberryi Vernon H. Oswald 1998-6-27 9241 Siskiyou Dry Lake on the S side of Tennant Rd., ca 9 air mi E of Grass Lake, ca. 22 air mi NE of Wee. 1402 Comment
  JEPS74495  Primula suffrutescens W. J. Ferlatte 1966-8-5 354 Siskiyou Caribou Mtn.; Trinity Alps, Caribou Mtn. 2468 Comment
  HSC25760  Prunus emarginata D. H. Norris, Thomas W. Nelson, S. Dowty 1971-6-23 19532 Siskiyou Snowman's Hill Summit 3 mi. W of McCloud on Hwy. 89 Comment
  RSA211180  Prunus emarginata William J. Ferlatte 1967-6-27 532 Siskiyou Big Flat 1524 Comment
  RSA453222  Prunus emarginata Christopher Davidson 1975-6-5 2650 Siskiyou 2.7 miles E of town of Mt. Shasta on Mt. Shasta Uplands Rd. 1311 Comment
  RSA453223  Prunus emarginata Bonnie C. Templeton 1957-6-22 s.n. Siskiyou Along the Scott River, north of Callahan. Comment
  RSA531258  Prunus emarginata Walter Wisura 1991-9-3 4574 Siskiyou Along road to Castle Lake, W of town of Mt. Shasta. Comment
  UC60888  Prunus emarginata W. A. Setchell, C. C. Dobie 1902-7-15 Siskiyou Mount Shasta, Sisson Mount Shasta; , Sisson Comment
  CAS-BOT-BC151226  Prunus virginiana var. demissa G. J. Muth 1969-8-12 1376 Siskiyou Second Valley 2225 Comment
  CAS-BOT-BC151239  Prunus virginiana var. demissa John Thomas Howell 1937-7-21 13164 Siskiyou South Fork of Salmon River near Big Flat 1524 Comment
  JEPS44608  Prunus virginiana var. demissa W. L. Jepson 1940-7-3 20092 Siskiyou 6 mi e of McCloud (Fowlers Camp, McCloud River); McCloud River, Fowlers Camp 944 Comment
  CDA26212  Prunus virginiana var. melanocarpa T. Gallion 1959-5-12 2363 Siskiyou North of Dunsmuir. 0 Comment
  POM206496  Pseudoroegneria spicata subsp. spicata C. F. Baker 1903-9-7 3797 Siskiyou Mt. Eddy. 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
  HSC36736  Pseudotsuga menziesii var. menziesii Brent Whitely 1975-6-21 11 Siskiyou 223 Comment
  UC1601293  Psilocarphus oregonus T. S. Brandegee Siskiyou Edgewood Comment
  CHSC71481  Pterospora andromedea Vernon H. Oswald 1998-7-21 9328 Siskiyou Hwy. 97 between Weed and Macdoel at the east end of Grass Lake. 1524 Comment
  CAS-BOT-BC460553  Pterospora andromedea Alice Eastwood 1921-7-24 10799 Siskiyou Castle Lake Comment
  RSA97287  Pteryxia terebinthina var. californica F. W. Peirson 1923-7-19 3951 Siskiyou Whitney Creek at the foot of Mt. Shasta. Comment
  UCD22431  Purshia tridentata Brian Vanden Heuvel 2003-4-10 193 Siskiyou Shasta National Forest. 1.6 miles east of McCloud on CA 89, on south side of road. Comment
  CAS-BOT-BC147901  Purshia tridentata var. tridentata L. R. Abrams; J. T. Benson 1924-5-9 10173 Siskiyou Near Black Butte Comment
  CAS-BOT-BC147905  Purshia tridentata var. tridentata C. H. M. 1919-9-24 s.n. Siskiyou Ager Comment
  JEPS44605  Purshia tridentata var. tridentata W. L. Jepson 1940-6-23 20013 Siskiyou n of Mt. Shasta (Andesite Station) 975 Comment
  RSA0082807  Pyrola aphylla L. C. Wheeler 1934-6-25 2780 Siskiyou West Fork Cottonwood Creek. Siskiyou Mts. 1280 Comment
  RSA0080538  Pyrola crypta Frederick W. Oettinger 1966-8-7 48 Siskiyou The Salmon Mountains. The High Lake Basins in the vicinity of English peak. Marble Mountain Wilderness Area. Comment
  CAS-BOT-BC462544  Pyrola picta Elizabeth McClintock; Wayne Roderick; Martha Roderick 1967-7-29 s.n. Siskiyou Road to Mumbo Basin, Trinity Mts. 1889 Comment
  SJSU6519  Pyrola picta R. W. Trivelpiece 1972-6-28 142 Siskiyou Red Hill, 10 mi W of Klamath R, c. 15 mi SW of Happy Camp 1645 Comment
  UC705687  Pyrola picta Marion Ownbey, Fred G. Meyer 1940-7-8 2225 Siskiyou 17 mi n of Happy Camp (near Summit of Siskiyou Mountains); Siskiyou Mountains Comment
  UC1561862  Pyrrocoma racemosa var. paniculata Barbara Ertter 1987-7-26 7323 Siskiyou 2.2 mi n Scott Mt. summit (on Hwy 3 at road junction, w of road) 1371 Comment
  RSA14480  Pyrrocoma racemosa var. paniculata Elmer I. Applegate 1923-8-21 3925 Siskiyou Willow Creek, south of Lower Klamath Marsh. Comment
  CAS-BOT-BC94652  Quercus garryana Roxana S. Ferris; Laura Lorraine 1948-6-12 11846 Siskiyou Gazelle Mountain grade, road between Callahan and Gazelle 1499 Comment
  CAS-BOT-BC94666  Quercus garryana Marion Ownbey; Fred G. Meyer 1940-7-8 2229 Siskiyou Summit of Siskiyou Mountains, 21 miles N of Happy Camp. Comment
  JEPS37941  Quercus garryana W. L. Jepson 1902-7-20 2085 Siskiyou Summerville Comment
  RSA237384  Quercus garryana var. breweri Frederick W. Oettinger 1968-9-5 703 Siskiyou Above English Lake, about halfway up to Diamond Lake along the trail from English Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1890 Comment
  SEINET3134590  Quercus garryana var. breweri G. L. Stebbins 1972-7-3 sn Siskiyou N of Seiad Valley. 0.5 mi. E of Cook and Green Pass 1494 Comment
  RSA47633  Quercus garryana var. garryana Roxana S. Ferris, Laura Lorraine 1948-6-12 11846 Siskiyou Gazelle Mountain grade, road between Callahan and Gazelle. 1500 Comment
  HSC69019  Quercus sadleriana Maralyn A. Renner 1980-7-24 2016 Siskiyou Lily Pad Lake 1768 Comment
  JEPS37855  Quercus sadleriana Geo. D. Butler 1908-8-4 234 Siskiyou Wooly Creek 1676 Comment
  JEPS8479  Quercus sadleriana Rimo Bacigalupi with J. P. Tracy, L. Constance, R. Moran, R. L. Rodriguez, and S. Carlquist 1951-6-16 3454 Siskiyou about 1.5 mi se and below saddle at summit of Takilma-Happy Camp road Comment
  RSA758222  Quercus sadleriana Robert F. Thorne 1969-8-2 63325 Siskiyou Klamath National Forest, Salmon Mountains, Marble Mountain Wilderness Area, high lake basins in the vicinity of English Peak Comment
  UCD47228  Quercus sadleriana Roman Gankin; Brewer, Hildreth, and Milam 1965-8-11 607 Siskiyou Indian Creek Road, 5.6 miles south of California-Oregon State line, Siskiyou County, California. (UC Davis Arboretum Accession No. A65.723). 1554 Comment
  UCD47242  Quercus sadleriana D. V. Hemphill 1974-7-28 s.n. Siskiyou Stanshaw Meadows, Marble Mountain Wilderness Area, Siskiyou County, California. 1524 Comment
  UCD47243  Quercus sadleriana P. C. Everett; E. K. Balls 1954-10-12 20274 Siskiyou Horse Creek to Dry Lake Lookout, 2 miles west of Lookout, Siskiyou County. 1920 Comment
  UCD47244  Quercus sadleriana John M. Tucker 1972-8-8 4246 Siskiyou California, Siskiyou Co.; Marble Mountains, trail from Whiskey Camp to Elk Peak, ca. 2.5 mi. west-southwest of Marble Valley Guard Station (extreme southeast corner of Section 20, R. 11W., T. 42N); Comment
  UCSB1234  Quercus sadleriana Mason, Herbert 1950-7-16 Siskiyou Road from Happy Camp, California, to Waldo, Oregon Comment
  SJSU444  Quercus sadleriana A. W. Jacobs 1938-10-16 Siskiyou near summit of ridge c. 4 mi SW of Clear Cr (Pick-Aw-Ish) on Klamath R 1828 Comment
  HSC19225  Quercus vacciniifolia J. O. Sawyer 1968-9-28 749 Siskiyou Along ridge NE of Orleans Mtn. 1677 Comment
  RSA237820  Quercus vacciniifolia Frederick W. Oettinger 1968-9-8 783 Siskiyou On east side of English Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1753 Comment
  UCD47447  Quercus vacciniifolia John M. Tucker 1948-8-3 1776 Siskiyou California, Siskiyou Co.; 6.7 mi. (by road) below the summit of Happy Camp - Waldo road; Comment
  CHSC118654  Quercus vacciniifolia Julie Kierstead Nelson; Martin Lenz, Rhonda Posey, Brenna Montagne 2016-6-9 2016 -022 Siskiyou Lower Parks Creek watershed, E Klamath Range. 42 N19, 3 miles northwest of Stewart Springs. UTM NAD 83 Zone 10, 539249m E, 458666m N. 1478 Comment
  CAS-BOT-BC380414  Ranunculus alismifolius var. hartwegii Frank W. Gould 1940-5-14 1225 Siskiyou Bull Meadows 11 mi west of Highway US 97 on road to Montague 1676 Comment
  POM98895  Ranunculus aquatilis var. capillaceus Geo. D. Butler 1909-1 545 Siskiyou [No locality information on label.] Comment
  UC1265405  Ranunculus aquatilis var. capillaceus Frederick W. Oettinger 1969-9-5 1683 Siskiyou near Abbot's Lake (high lake basins in vicinity of English Peak, w Siskiyou Co.); Salmon Mountains, Marble Mountain Wilderness Area, Salamande 1767 Comment
  SEINET5338464  Ranunculus canus G. Butler 1910-4-19 1199 Siskiyou Damp gully near Yreka. Comment
  HSC78194  Ranunculus gormanii L. P. Janeway 1983-7-3 375 Siskiyou Poker Flat 1524 Comment
  NY214641  Ranunculus marmorarius H. P. Chandler 06 1901 1691 Siskiyou Ridges and meadows near Marble Mountain 2286.0 Comment
  UC165940  Ranunculus occidentalis Geo. D. Butler 1909-4-17 647 Siskiyou near Yreka Comment
  UC60965  Ranunculus occidentalis Geo. B. Grant September, 1902 5070 Siskiyou Sisson Mount Shasta 914 Comment
  POM99425  Ranunculus occidentalis var. eisenii Geo. D. Butler 1908-6-28 362 Siskiyou Siskiyou county: Meadow near Oro Fino Comment
  POM268494  Ranunculus occidentalis var. ultramontanus C. L. Hitchcock 1939-7-6 5197 Siskiyou 10 miles SE of Takihua, Oregon, on road to Happy Camp, Siskiyou Mts. 1220 Comment
  RSA47793  Ranunculus occidentalis var. ultramontanus Roxana S. Ferris, Laura Lorraine 1948-6-13 12 Siskiyou 2.6 miles below summit of Gazelle Mtn grade, E side. 1418 Comment
  RSA47794  Ranunculus orthorhynchus Roxana S. Ferris, Laura Lorraine 1948-6-12 11820 Siskiyou E Fork of Scott River drainage, Parker Ranch, Plowman's Valley. 1204 Comment
  CDA3489  Ranunculus testiculatus T. C. Fuller 1970-3-24 19359 Siskiyou Juvenile Hall, south of junction of Annie & State Streets, Yreka. 0 Comment
  RSA47792  Ranunculus uncinatus var. parviflorus Roxana S. Ferris, Laura Lorraine 1948-6-12 11746 Siskiyou French Creek logging road west of Callahan. 1067 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
  HSC101842  Rhamnus ilicifolia J. P. Smith, J. O. Sawyer, R. J. Cole 2011-5-22 13179 Siskiyou Matthews Campground on the Cecilville to Forks of Salmon Road. 640 Comment
  UC1045317  Rhamnus ilicifolia W. Bridge Cooke 1940-6-20 15141 Siskiyou w of Pacific Highway (along Klamath River); Klamath River Comment
  JEPS94251  Rhamnus rubra Vernon H. Oswald and Lowell Ahart 1998-6-11 9188 Siskiyou ne of Weed (Shasta National Forest plantation on w side of Highway 97, 2.2 mi ne of Lake Shastina-Big Springs Road); Shasta National Forest, Highway 97 1066 Comment
  HSC91309  Rhododendron columbianum Jennifer Whipple 1977-8-4 2160 Siskiyou Wagon Creek drainage near Wagon Creek 2226 Comment
  SJSU6529  Rhododendron columbianum R. W. Trivelpiece 1973-6-21 144 .5 Siskiyou Big Duck L, Scott R drainage c. 7.5 mi W of Callahan 2042 Comment
  RSA697558  Rhododendron macrophyllum Leo Miller 1938-07 s.n. Siskiyou Siskiyou, Mountains. 915 Comment
  HSC69107  Rhododendron occidentale var. paludosum Maralyn A. Renner 1980-8-6 2300 Siskiyou Cracker Meadow 1555 Comment
  CAS-BOT-BC200744  Rhus aromatica Mrs. H. C. Cantelow 1936-5-20 1463 Siskiyou Cottonwood Creek, near Oregon line Comment
  JEPS66277  Rhus trilobata Willis L. Jepson 1894-8-9 13916 Siskiyou Shasta Springs; Upper Sacramento Region Comment
  RSA0044691  Rhus trilobata var. quinata Geo. D. Butler 1910-6-29 1615 Siskiyou Dry land near Yreka Comment
  UC61673  Ribes W. A. Setchell, C. C. Dobie 1902-7-16 Siskiyou Sisson Mount Shasta Comment
  CAS-BOT-BC438008  Ribes W. R. Dudley 1893-6-26 s.n. Siskiyou Lava slopes on Mt. Shasta Comment
  CAS-BOT-BC92538  Ribes binominatum John Thomas Howell 1939-8-3 14958 Siskiyou Spirit Lake Marble Mountains. 1828 Comment
  UCD102130  Ribes cereum Jack Major 1961-7-14 635 Siskiyou Panther Creek, Mount Shasta. 1790 Comment
  SEINET3154875  Ribes glanduliferum A. A. Heller 1905-6-9 8005 Siskiyou near railraod at Yreka Comment
  JEPS49408  Ribes inerme var. klamathense Geo. D. Butler 1910-5-18 1362 Siskiyou Yreka Creek Comment
  JEPS49411  Ribes inerme var. klamathense W. L. Jepson July, 1894 13509 Siskiyou Sisson Comment
  RSA0021098  Ribes inerme var. klamathense Louis C. Wheeler 1935-4-13 3414 Siskiyou By creek. Seiad, Klamath River. 427 Comment
  HSC33959  Ribes lacustre J. P. Smith 1974-5-25 7444 Siskiyou Near junction of Rd. 8 with French Creek Rd. 1280 Comment
  UC796505  Ribes lacustre Roxana S. Ferris and Laura Lorraine Jun 12 1948-Jun 16 1948 11803 Siskiyou s Callahan (on Scott Mountain Rd. at Mule Creek crossing) 1493 Comment
  HSC99339  Ribes lobbii G. L. Clifton 1979-7-1 6195 Siskiyou Near Poker Flat, close to the town of Happy Camp 1538 Comment
  LA97625  Ribes lobbii J. M. Tucker; 1974-7-28 4324 Siskiyou Haypress Meadows, Marble Mountain Wilderness Area, adjacent to camp 1462 Comment
  UC1408857  Ribes lobbii Frederick W. Oettinger 1969-8-6 1250 Siskiyou outlet Pine Lake; Salmon Mountains, Marble Mountain Wilderness 1828 Comment
  RSA0021141  Ribes lobbii J. P. Smith 1977-5-15 9072 Siskiyou The road leading through International Paper property to the Duck Lakes trailheads. 1524 Comment
  SEINET13942692 Image available Ribes nevadaense A. A. Heller 2015-1 12244 Siskiyou Wagon creek at the foot of Mt. Eddy, elev about 3700 ft 1128 Comment
  CAS-BOT-BC217878  Ribes nevadense Elmer I. Applegate 1895-5-29 s.n. Siskiyou Mount Shasta 1828 Comment
  CAS-BOT-BC219274  Ribes nevadense A. A. Heller 1905-6-5 7967 Siskiyou Near Shasta Springs Comment
  HSC46734  Ribes roezlii William J. Ferlatte 1976-9-22 1862 Siskiyou W side of Grouse Ridge along Yellow Rose Mine Trail 1829 Comment
  RSA0024604  Ribes roezlii M. B. Dunkle 1945-7-8 9211 Siskiyou Big Rock Basin, Canyon Creek. Klamath National Forest, Marble Mountains. Comment
  CAS-BOT-BC199998  Ribes roezlii var. cruentum W. R. Dudley 1899-8-9 s.n. Siskiyou Eastern Base of Black Butte Comment
  CAS-BOT-BC200012  Ribes roezlii var. cruentum Elmer I. Applegate 1895-5-28 598 Siskiyou 18th Crossing SPRR, Sacramento River, below Sisson Comment
  HSC29451  Ribes roezlii var. cruentum Frederick W. Oettinger 1969-9-5 1686 Siskiyou Marble Mtn. Wilderness Area, next basin E of Salamander Pond, Abbotts Lake region 1768 Comment
  JEPS49462  Ribes roezlii var. cruentum W. L. Jepson 1902-7-17 2059 Siskiyou trail to Devil's Backbone; Trinity Summit 2133 Comment
  JEPS49244 Image available Ribes sanguineum W. L. Jepson 1907-7-5 2822 Siskiyou near Marble Mt. (head of Shackelford Canyon) 2133 Comment
  UC1483465 Image available Ribes sanguineum Maralyn A. Renner 1980-6-27 1299 Siskiyou headwaters Dillon Creek; Klamath National Forest, Dillon Mtn. Quad. Comment
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  UC921841  Ribes sanguineum Louis C. Wheeler 1934-6-12 2695 Siskiyou North Hungry Creek Siskiyou Mts. 1310 Comment
  HSC48270  Ribes sanguineum var. sanguineum K. T. Stillman, P. Stekel May 1977 511 Siskiyou Along Happy Camp-O'Brien Rd. above Louse Creek Comment
  CAS-BOT-BC173913  Ribes velutinum Geo. D. Butler 1910-5-21 1374 Siskiyou Klamath River Comment
  HSC27330  Ribes viscosissimum J. P. Smith, J. O. Sawyer, Maralyn O'Meara 1972-7-3 5667 Siskiyou E slope of Kangaroo Mtn. above Toehead Lake. 1890 Comment
  JEPS77659  Ribes viscosissimum William J. Ferlatte 1974-7-15 1540 Siskiyou Yellow Rose Mine Trail Trinity Alps 1645 Comment
  RSA238851  Romanzoffia sitchensis Frederick W. Oettinger 1969-7-10 957 Siskiyou Due SSW of Upper English Lake. Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountains Wilderness Area. 1921 Comment
  HSC76684  Rorippa curvisiliqua K. T. Stillman 1976-7-30 324 Siskiyou Marble Mtn. Wilderness Area, ridge N of Black Mtn. into Elk Valley by way of Boulder Field, SE corner of valley 1768 Comment
  HSC77283  Rorippa curvisiliqua L. P. Janeway 1983-8-27 620 Siskiyou Along Twin Valley/Poker Flat trail 1677 Comment
  HSC77284  Rorippa curvisiliqua L. P. Janeway 1983-9-11 680 Siskiyou Along the Poker Flat/Twin Valley trail 1524 Comment
  UC1871394  Rosa Barbara Ertter 2006-7-30 18749 b Siskiyou just N of Yreka on Rt 263, below roadbed in partial shade of isolated tree. 762 Comment
  HSC26766  Rosa californica J. P. Smith, J. O. Sawyer 1971-9-18 4841 Siskiyou 2 mi. W of the junction of Hwy. 3 and Rd. 8, N of Callahan. 1037 Comment
  UC375394  Rosa californica Geo. D. Butler 1908-9-6 1045 Siskiyou dry land near Yreka Comment
  UC467675  Rosa californica Annie M. Alexander and Louise Kellogg 1911-6-13 128 Siskiyou 6 mi nw Callahan Comment
  CAS-BOT-BC146758  Rosa gymnocarpa Doris K. Kildale 1929-5-31 9126 Siskiyou Cecilville, south fork of Salmon River Comment
  HSC19386  Rosa gymnocarpa J. O. Sawyer 1968-9-28 737 Siskiyou Along ridge NE of Orleans Mtn. 1677 Comment
  UC2046562  Rosa gymnocarpa William J. Ferlatte 1974-7-13 1512 Siskiyou south side of South Fork of Salmon River between Big Flat and the falls Comment
  UC768888  Rosa gymnocarpa var. serpentina Doris K. Kildale 1929-8-24 8844 Siskiyou Preston Peak 2228 Comment
  CAS-BOT-BC147078  Rosa pisocarpa Doris K. Kildale 1929-7-20 8634 Siskiyou Trail up South Fork of Indian Creek to Elk Lick Comment
  HSC64755  Rosa pisocarpa J. P. Smith, Steve Selva 1970-7-17 4475 Siskiyou Below Kangaroo Lake. 1890 Comment
  RSA78997  Rosa pisocarpa E. K. Balls, Percy C. Everett 1952-10-13 18185 Siskiyou 3.6 miles SW of turn off to Ney Springs on road from town of Mt. Shasta to Castle Lake. 1524 Comment
  CAS-BOT-BC148189  Rosa rubiginosa Geo. D. Butler 1910-7-31 1802 Siskiyou Dry land near Yreka Comment
  UC375392  Rubus glaucifolius Geo. D. Butler 1908-7-12 1042 Siskiyou Humbug Mountain Comment
  UC375393  Rubus glaucifolius Geo. D. Butler 1910-6-17 1566 Siskiyou Humbug Mountain Comment
  HSC19406  Rubus lasiococcus J. O. Sawyer 1968-7-2 369 Siskiyou Upper drainage of Joe Creek on steep N facing slopes. 1677 Comment
  HSC65268  Rubus lasiococcus R. White 1977-6-4 79 Siskiyou 1/4 mi. from Buck Lake by trail 1250 Comment
  HSC29360  Rubus parviflorus Frederick W. Oettinger 1968-8-18 565 Siskiyou High Lake basin in the vicinity of English Peak, Marble Mtn. Wilderness Area: E side of Hancock Lake 1936 Comment
  HSC59616  Rubus parviflorus J. P. Smith, Steve Selva 1970-6-16 4048 Siskiyou 7 mi. W of Etna on road to Sawyers Bar. 1280 Comment
  HSC99687  Rubus parviflorus G. L. Clifton, Terry Griswold 1979-6-28 6129 Siskiyou Near Upper Devils Peak, close to the town of Seiad Valley 1738 Comment
  CAS-BOT-BC147314  Rubus parviflorus Gilbert Muth 1965-8-4 s.n. Siskiyou Marble Mts. Comment
  CAS-BOT-BC157168  Rubus ursinus D. E. Breedlove 1962-6-11 3351 Siskiyou On bank of Canyon Creek, about 20 miles west of Fort Jones; Marble Mountains 914 Comment
  HSC68977  Rubus ursinus Maralyn A. Renner 1980-7-24 2114 Siskiyou Pacific Crest Trail, 0.25 mi. SW of Cook and Green Pass. 1494 Comment
  CAS-BOT-BC363169  Rudbeckia californica L. E. Smith 1913-7-4 s.n. Siskiyou Railroad to Castle Lake Comment
  SJSU2579  Rudbeckia klamathensis H. L. Buckalew 1962-7-12 Siskiyou near Poker Flat c. 2 mi W of Junction of Indian Cr with W Branch Indian Cr, Siskiyou Mts 1143 Comment
  UC1282030  Rudbeckia klamathensis Louise Kellogg 1953-8-8 111 Siskiyou on road between Callahan and Trinity Center; Mule Creek, Scott Mountain, Klamath National Forest 1402 Comment
  RSA92514  Rudbeckia occidentalis L. C. Wheeler 1934-8-2 3024 Siskiyou Jaynes Canyon, Siskiyou Mountains. 1829 Comment
  UC224171  Rumex acetosella H. E. Brown Jun 1 1897-Jun 10 1897 304 Siskiyou near Sisson; ; separated from UC224172, coll H. E. Brown in Idaho, Aug 1896, #22 1083 Comment
  RSA68896  Rumex acetosella A. E. Culbertson 1943-7-12 61 Siskiyou Castle Lake, in a north facing cirque with a abrupt 1000' backwall; 14 miles SW of Mt. Shasta on N side of a 6600' eastern spur of Trinity Mts.; 2000 ft. above Sacramento R. within 10 air miles of its headwaters to the west. 1657 Comment
  CHSC71496  Rumex salicifolius var. salicifolius Vernon H. Oswald; Lowell Ahart 1998-7-21 9346 Siskiyou Northeast of Weed and east of Grass Lake on the south side of Tennant Rd. 0.2 mi southeast of Old State Hwy. to Bray and on the east side of the intermittent stream draining Dry Lake. 1402 Comment
  SEINET10612171  Sabina occidentalis A. Arthur Heller 1938-7-12 Heller 15262 Siskiyou About 2 miles north of Bray, scattered among the sagebrush, in the Upper Sonoran Life Zone. It is one of the index plants for this zone here. Comment
  UC482248  Salix Mrs. H. P. Bracelin 1931-6-19 422 Siskiyou ca. 16 km. n.w. of Shasta City (n.e. side Mt. Eddy, above Metcalf ranch house); Mt. Eddy 1500 Comment
  HSC78193  Salix eastwoodiae L. P. Janeway 1983-7-10 409 Siskiyou Poker Flat 1524 Comment
  LA208575  Salix eastwoodiae J. M. Tucker; 1963-7-7 3730 -A Siskiyou Marble Mountain Wilderness Area, in vicinity of Paradise Lake, at base of Kings Castle on E side 1981 Comment
  UCD110841  Salix eastwoodiae John M. Tucker 1963-7-7 3730 -B Siskiyou Paradise Lake Public Camp, at base of Kings Castle on the east side, Marble Mountain Wilderness Area. 1981 Comment
  RSA15588  Salix exigua Carl B. Wolf 1927-8-27 1133 Siskiyou On the Klamath River. 7 miles below Happy Camp. Comment
  UCR78459  Salix exigua Scott D. White 1993-8-24 1841 Siskiyou Klamath National Forest. 'Tree of Heaven' campground, off Hwy 96. Comment
  CHSC35572  Salix exigua var. hindsiana J. P. Smith; J. O. Sawyer 1978-7-3 9999 Siskiyou Klammath National Forest. Williams Point along the Klammath River, south of State Route 96. Comment
  CAS-BOT-BC107780  Salix hindsiana Mrs. H. P. Bracelin 1931-6-22 477 Siskiyou Pit River at Gibson flat station, 125 km. north of Red Bluff 450 Comment
  CAS-BOT-BC107786  Salix hindsiana Doris K. Kildale; J. W. Gillespie 1929-6-25 8362 Siskiyou Klamath River, 6 miles north of Hornbrook 609 Comment
  NY284098  Salix laevigata var. angustifolia E. L. Greene 795 Siskiyou Near Yreka Comment
  SEINET4471747 Image available Salix laevigata var. angustifolia E. L. Greene 1876-1 795 bis Siskiyou Yreka Comment
  UC119338  Salix laevigata var. congesta Thos. Howell 1889-4-14 1393 Siskiyou Hornbrook Comment
  HSC69545  Salix lasiandra Maralyn A. Renner 1980-8-6 2237 Siskiyou FS Rd. 40S07 crossing of Louse Creek 1127 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
  UC449838  Salix lasiandra subsp. lasiandra L. S. Smith 1931-6-1 20 Siskiyou near Mt. Shasta Mt. Shasta 1066 Comment
  CAS-BOT-BC125461  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-BC125471  Salix lasiandra var. lasiandra Doris K. Kildale 1928-7-3 5430 Siskiyou Forks of Salmon, Salmon River Comment
  CAS-BOT-BC125475  Salix lasiandra var. lasiandra A. A. Heller 1905-6-15 8032 Siskiyou Sisson Comment
  CAS-BOT-BC107067  Salix lasiolepis Mrs. H. P. Bracelin 1931-6-19 409 Siskiyou Northeast side of Mount Eddy, about 16 km. northwest of Shasta City 1425 Comment
  CAS-BOT-BC107077  Salix lasiolepis s.n. Siskiyou 11 miles N.W. from Mt. Shasta City, and about 2 miles E. of Burney Mill, N. base of Mt. Eddy 1127 Comment
  CAS-BOT-BC124533  Salix lasiolepis var. lasiolepis Doris K. Kildale 1929-4-27 7850 Siskiyou Cecilville, upper south fork of Salmon River Comment
  UCR66565  Salix lucida subsp. lasiandra L. C. Wheeler 1934-7-5 2893 Siskiyou Siskiyou Mtns., Hungry Creek 1372 Comment
  CAS-BOT-BC126149  Salix scouleriana Wm. F. Herrin 1918-5-15 s.n. Siskiyou Shasta Springs Comment
  CAS-BOT-BC126166  Salix scouleriana Mrs. H. P. Bracelin 1931-6-19 435 Siskiyou North base of Mount Eddy, about 10 km. northwest of Shasta City; east of Metcalf ranch house 1080 Comment
  CAS-BOT-BC129028  Salix scouleriana Arthur L. Menzies 1962-7-1 s.n. Siskiyou Copper Butte near Cook & Green Pass north of Seiad Valley, Siskiyou Mts. Comment
  UC481710  Salix scouleriana Mrs. H. P. Bracelin 1931-6-20 445 Siskiyou ca. 17 km. n.w. Shasta City (above stream in Wagon Creek Canyon, ca. 1 km. up from Metcalf ranch house, e. side of Mt. Eddy); Mt. Eddy Comment
  UC481725  Salix scouleriana Mrs. H. P. Bracelin 1931-6-21 472 Siskiyou ca. 13 km. n.w. Shasta City (at bridge ca. 1.3 km. e. of Burney Mill, n. base of Mt. Eddy); Mt. Eddy 1110 Comment
  UC576379  Salix scouleriana Mrs. H. P. Bracelin 1936-9-3 858 Siskiyou 11 mi. n.w. Shasta City (ca. 2 mi. e. of Burney Mill, at second bridge, n. base Mt. Eddy); n. base Mt. Eddy 1127 Comment
  CAS-BOT-BC126160  Salix scouleriana L. E. Smith 1914-3-17 574 Siskiyou Sisson, Junction of S.P. and McCloud R.R. Comment
  JEPS96773  Salvia virgata Dean W. Taylor 1999-8-12 17425 Siskiyou Ager Beswick Road, 0.3 miles South of the crossing of Bogus Creek 822 Comment
  UC163752  Sambucus mexicana Geo. D. Butler 1908-8-4 995 Siskiyou Shackelford Creek; head Comment
  CAS-BOT-BC236480  Sambucus racemosa subsp. racemosa Wm. Bridge Cooke 1938-9-8 11674 Siskiyou South side of Red Butte, Mount Shasta 2286 Comment
  CAS-BOT-BC236486  Sambucus racemosa subsp. racemosa John Thomas Howell 1939-8-3 15011 Siskiyou Spirit Lake, Marble Mts. 1828 Comment
  CDA26417  Sanguisorba annua G. D. Barbe, T. C. Fuller 1972-6-14 946 Siskiyou North of Weed, ca. 1 mile north of US 97 on Hoy Road. 0 Comment
  UC585154  Sanicula bipinnatifida E. B. Babcock, G. L. Stebbins Jr. 1936-6-13 2010 Siskiyou about 1 1/2 mi w of Mount Shasta City (Rainbow Ridge above Sulloway Creek); Rainbow Ridge 1188 Comment
  HSC37536  Sanicula graveolens J. P. Smith 1974-5-26 7574 Siskiyou Along FS Rd. 47N03 1524 Comment
  UC735125  Sanicula graveolens Lincoln Constance and Ren Hwa Shan 1946-5-31 3059 Siskiyou Sacramento River, at Dunsmuir Dunsmuir; Sacramento River, Dunsmuir 701 Comment
  JEPS81880  Sanicula tuberosa Roger Raiche 1982-7-4 20532 Siskiyou Mount Eddy 2072 Comment
  UC1251651  Sanicula tuberosa Tracey and Viola Call 1964-6-26 2296 Siskiyou area surrounding Scott Mountain Campground Scott Mountain Campground 1676 Comment
  HSC68018  Saponaria officinalis J. P. Smith, Steve Selva 1970-7-16 4404 Siskiyou 1 mi. E of O'Neill Campground 579 Comment
  CAS-BOT-BC466232  Sarcodes sanguinea John Van Denburg 1913-3-1 s.n. Siskiyou Callahans Comment
  CDA8575  Saussurea americana T. C. Fuller, Don Shaw 1974-9-24 2045 Siskiyou Northwestern; Klamath Ranges region; Headwaters of Horse Creek, southwest slope of White Mountain, Siskiyou Mountains. 0 Comment
  LA203910  Saussurea americana Louis Wheeler; 1934-8-14 3146 Siskiyou Siskiyou Mountains, S side White Mountain 1737 Comment
  JEPS33850  Saxifraga cespitosa Gilbert Muth 1966-7-31 468 Siskiyou n side of Black Mountain (Marble Mountain Wilderness Area); , Marble Mountain Wilderness Area 1981 Comment
  RSA211112  Saxifraga ferruginea William J. Ferlatte 1967-7-25 729 Siskiyou Caribou Basin. Trinity Alps. 1982 Comment
  RSA211113  Saxifraga ferruginea William J. Ferlatte 1967-8-23 1106 Siskiyou Head of Kidd Creek. Trinity Alps. 2134 Comment
  RSA238317  Saxifraga ferruginea Frederick W. Oettinger 1968-9-2 659 Siskiyou Upper English Lake. Salmon Mtns. High Lake Basins in the vicinity of English Peak. Marble Mtn Wilderness Area. 1921 Comment
  SEINET12220731  Saxifraga marshallii H. P. Chandler 1901-1 1613 Siskiyou near Marble Mountain, North Coast Ranges 2134 Comment
  RSA183690  Saxifraga odontoloma Gilbert Muth 1965-8-17 308 Siskiyou Lower creek on trail to Black Mountain, Marble Mts. Comment
  CAS-BOT-BC445872  Saxifragopsis fragarioides John Thomas Howell 1939-8-3 14990 Siskiyou Spirit Lake, Marble Mts. 1828 Comment
  POM259289  Saxifragopsis fragarioides John T. Howell 1939-8-3 14990 Siskiyou Spirit Lake, Marble Mountains. 1829 Comment
  RSA0101558  Sceptridium multifidum A. E. Culbertson 1943-8-30 35 Siskiyou Castle Lake, in a north facing cirque with an abrupt 1000' backwall; 14 miles SW of Mt. Shasta on N side of a 6600' eastern spur of Trinity Mts.; 2000' above Sacramento R. within 10 air miles of its headwaters to the west. 1657 Comment
  CAS-BOT-BC111411  Schoenoplectus acutus var. occidentalis D. E. Breedlove 1962-6-10 3323 Siskiyou On the north bank of the Klamath River at its junction with Goff Creek. 411 Comment
  CAS-BOT-BC35598  Scirpus congdonii Elizabeth McClintock; Wayne Roderick; Martha Roderick 1967-7-28 s.n. Siskiyou Gumboot Lake, Trinity Mtns. 1828 Comment
  SBBG30568  Scirpus congdonii D. Myrick 1968-6-29 2056 Siskiyou Big Flat, head of Coffee Crk; Trinity Alps 1524 Comment
  RSA238938  Scirpus congdonii Frederick W. Oettinger 1968-9-6 740 Siskiyou At Bear Meadow mid-way along a straight line between English Peak and Tom Taylor cabin, at the head of Snowslide Gulch. Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1997 Comment
  HSC4158  Scleranthus annuus L. C. Wheeler 1935-6-15 3585 Siskiyou Greenview, Scott Valley 884 Comment
  RSA138223  Scrophularia californica Percy C. Everett, E. K. Balls 1959-10-23 23939 Siskiyou 4 mi SW from Etna, on rd from Callaban to Somesbar, Salmon Mtns. 1677 Comment
  JEPS74476  Scutellaria antirrhinoides W. J. Ferlatte 1966-8-3 266 Siskiyou along the South Fork Salmon River between the campground and Carter's South Fork Salmon River; Trinity Alps, South Fork Salmon River 1524 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
  HSC26548  Secale cereale J. P. Smith, Steve Selva 1970-7-17 4429 Siskiyou Along Klamath River Comment
  CAS-BOT-BC63878  Sedum kiersteadiae Arthur Menzies 1962-7-21 s.n. Siskiyou Mt. Eddy. 2377 Comment
  CAS-BOT-BC64654  Sedum kiersteadiae H. E. Brown 1897-6-15 440 Siskiyou North Side Mt. Shasta, 3048 Comment
  SEINET13759288  Sedum kiersteadiae B. L. Wilson, R. Posey, J. K. Nelson 2011-8-10 CWG- 18 Siskiyou Rail Creek Road (FR 41N08, to Kangaroo Lake). 1497 Comment
  CAS-BOT-BC59184  Sedum lanceolatum Louis C. Wheeler 1934-8-9 3075 Siskiyou Jaynes Canyon 1920 Comment
  JEPS101157  Sedum laxum subsp. flavidum Dean W. Taylor 1996-6-18 15702 Siskiyou Scott Mountains; bordering Shasta Valley, hillslopes about 4 miles south of Gazelle; Shasta-Trinity National Forests 1249 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
  JEPS48011  Sedum obtusatum Geo. D. Butler 1908-6-27 140 Siskiyou Forest House Mountain 914 Comment
  CAS-BOT-BC64084  Sedum oregonense Ira L. Wiggins 1955-7-27 13521 Siskiyou Caribou lake, Salmon-Trinity Alps Primitive Area 2042 Comment
  CAS-BOT-BC63901  Sedum spathulifolium Alice Eastwood 1923-5-20 11859 Siskiyou Shasta Springs Comment
  CAS-BOT-BC363426  Senecio aronicoides Alice Eastwood 1921-7-28 10881 Siskiyou Medicine Lake Comment
  UC711811  Senecio aronicoides Roxana S. Ferris and Laura Lorraine 1941-8-11 10505 Siskiyou slopes above Medicine Lake; Shasta National Forest Comment
  CAS-BOT-BC363420  Senecio aronicoides A. M. Vollmer; L. Beane 1951-5-31 31 Siskiyou Near highway, Scott Mountain Comment
  JEPS109257  Senecio fremontii var. fremontii D. W. Taylor 2002-7-29 18284 Siskiyou South China Mountain; cirque at head of the W fork of Huston Creek (Huston Creek Divide on USFS trail sign at summit) ca 0.4 miles E of summit. Comment
  JEPS16959  Senecio fremontii var. fremontii Peter H. Raven 1956-9-4 10413 Siskiyou s slope Mount Eddy Comment
  CAS-BOT-BC363643  Senecio fremontii var. occidentalis Wm. Bridge Cooke 1938-8-23 11572 Siskiyou Mount Shasta. North slope of Shastina Comment
  CDA8621  Senecio hydrophilus David Van Baren 2007-8-27 PDR# 1278072 Siskiyou Butte Valley Wildlife Area; Pond 8A-Z. Comment
  CAS-BOT-BC363938  Senecio integerrimus var. exaltatus Geo. D. Butler 1910-5-15 1345 Siskiyou McAdams Creek 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
  CHSC88780  Senecio integerrimus var. exaltatus Jenny Marr 1993-7-1 195 Siskiyou Steamboat Mtn. Shasta Valley Wildlife Area, +/- 20 air miles S of Oregon border and 8 miles E of Yreka. Meadow. 701 Comment
  UC1234602  Senecio integerrimus var. exaltatus Peter H. Raven 1962-5-30 17899 Siskiyou 12.3 mi s MacDoel (U.S. Highway 97) Comment
  HSC67944  Senecio integerrimus var. major J. P. Smith 1973-5-5 6439 Siskiyou Along Cook and Green Pass Rd. Comment
  JEPS37284  Senecio integerrimus var. major Duncan Dunning 1922-6-6 Siskiyou nw of Fort Jones; Moffett Creek Comment
  RSA237230  Senecio sylvaticus Frederick W. Oettinger 1967-6-28 136 Siskiyou flood plain along Salmon River near Kelly Gulch, the High Lake Basings in the vicinity of English Peak, Marble Mountain Wilderness area. 613 Comment
  CAS-BOT-BC364448  Senecio triangularis John Thomas Howell 1939-8-3 15024 Siskiyou Spirit Lake, Marble Mts. 1828 Comment
  HSC68349  Senecio triangularis J. P. Smith, J. O. Sawyer 1970-7-17 4470 Siskiyou Below Kangaroo Lake. 1890 Comment
  HSC96401  Senecio triangularis Gordon Leppig, J. Kalt 1996-7-9 351 Siskiyou Klamath National Forest, Russian Wilderness, cirque W of Little Duck Lake 2200 Comment
  HSC77282  Senecio triangularis L. P. Janeway 1983-7-6 386 Siskiyou Small tributary to Indian Creek 1037 Comment
  RSA473097  Senecio triangularis B. C. Templeton 1957-6-22 7744 Siskiyou Near the summit of Scott Mt. Comment
  UC722747  Senecio triangularis C. L. Hitchcock and J. S. Martin 1939-7-6 5204 Siskiyou 2 mi within California boundary on Takilma- Happy Camp road; Siskiyou Mts. 1554 Comment
  OBI53780  Sericocarpus oregonensis subsp. oregonensis David J. Keil 1992-7-19 23463 Siskiyou Klamath NF. 6.5 mi NW of Sawyers Bar on Sawyers Bar Rd Comment
  CAS-BOT-BC213139  Sidalcea Elizabeth McClintock; Wayne Roderick; Martha Roderick 1967-7-28 s.n. Siskiyou Gumboot Lake, Trinity Mts. 1828 Comment
  SEINET11982181  Sidalcea malviflora M. Ownbey, Meyer, F. G. 1940-1 2227 Siskiyou summit of Siskiyou Mountains, 21 mi N of Happy Camp Comment
  CHSC1058  Sidalcea oregana 1936-7-3 Siskiyou Mt. Shasta City. 1097 Comment
  HSC39067  Sidalcea oregana A. M. Montalvo, J. D. Ackerman 1975-7-18 573 Siskiyou S fork Sacramento River, off FS Rd. 40N30, between Mt. Eddy and Boulder Pk. Comment
  HSC177  Sidalcea oregana subsp. spicata William J. Ferlatte 1966-8-2 227 Siskiyou Big Flat, between campground and S. fork of the Salmon River 1524 Comment
  HSC76675  Sidalcea oregana subsp. spicata K. T. Stillman 1976-7-21 280 Siskiyou Marble Mtn. Wilderness Area 1982 Comment
  HSC34117  Sidalcea oregana subsp. spicata J. O. Sawyer 1969-8-18 1996 Siskiyou Slopes of S Sugar Lake Creek 1829 Comment
  RSA448234  Sidalcea oregana subsp. spicata L. S. Rose 1937-7-26 37608 Siskiyou McCloud 1006 Comment
  SBBG2045  Silene bernardina H. and M. Dearing 1939-7-1 3787 Siskiyou Salmon Mtn 1828 Comment
  UC852816  Silene campanulata subsp. glandulosa John Thomas Howell 1939-8-3 14971 Siskiyou Spirit Lake Marble Mts., Spirit Lake 1828 Comment
  JEPS50912  Silene douglasii Geo. D. Butler 1909-7-15 963 Siskiyou Higland Mine Highland Mine Comment
  CAS-BOT-BC388958  Silene grayi John Thomas Howell 1939-8-8 15168 Siskiyou Black Mt., Marble Mts. 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
  UC8439  Silene grayi State Survey 1862-9-15 1373 Siskiyou Mt. Shasta 2377 Comment
  UC8455  Silene grayi W. H. Brewer 1862-9-13 1373 Siskiyou Mount Shasta 2133 Comment
  CAS-BOT-BC181251  Silene hookeri subsp. hookeri Clarence R. Quick 1959-6-19 59 -08 Siskiyou 3 miles south of Four Corners on ridge south-east of Seiad Valley Comment
  CAS-BOT-BC181255  Silene hookeri subsp. hookeri Volney Rattan 1879-6-1 s.n. Siskiyou Klamath Comment
  CAS-BOT-BC389427  Silene lemmonii Wm. Bridge Cooke 1941-6-7 16014 Siskiyou East base of Mt. Eddy Comment
  RSA96931  Smilax californica Percy C. Everett, E. K. Balls 1954-10-12 20273 Siskiyou Along Beaver Creek, N of Walker, 4.8 mi S from Beaver Creek Forest Service. 335 Comment
  NY821079  Solanum parishii E. Joyal 1988-6-25 1272 Siskiyou Happy Camp-Takilma road at turn-off to Bolan Lake 1524 Comment
  RSA238029  Solanum umbelliferum Frederick W. Oettinger 1969-7-15 1033 Siskiyou Below the seepage along the trail from English to Diamond Lake. Comment
  CAS-BOT-BC365559  Solidago elongata Doris K. Kildale 1928-8-18 6459 Siskiyou Head of north fork of Salmon River at Finley's Upper Camp Comment
  CAS-BOT-BC365581  Solidago elongata Louis C. Wheeler 1934-9-2 3240 Siskiyou Klamath National Forest. Miller Glade 1828 Comment
  HSC24685  Solidago elongata J. O. Sawyer 1969-8-4 2015 Siskiyou Behind S Sugar Lake 2088 Comment
  UC1409234  Solidago velutina subsp. californica Frederick W. Oettinger 1968-9-5 706 Siskiyou High Lake Basins in the vicinity English Peak (English Lake Basin, Western Siskiyou County); Salmon Mountains, Marble Mountain Wilderness Area, English L 1897 Comment
  UC166585  Solidago velutina subsp. californica Geo. D. Butler 1908-8-27 309 Siskiyou near Oro Fino Comment
  CDA7676  Sonchus arvensis subsp. uliginosus 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, ca. 12 miles west of Hatfield. 0 Comment
  JEPS123407  Sorbus californica Julie Kierstead Nelson with Don Lepley, Rhonda Posey 2015-8-13 2015 -130 Siskiyou Headwaters of west fork Parks Creek, 2 miles NE of China Mountain. Comment
  JEPS95096  Sorbus californica Vernon Oswald and Lowell Ahart 1997-7-28 8794 Siskiyou s.e. Medicine Lake (at Paynes Springs, on walls of Paynes Creek Canyon n. of the campground); Paynes Springs 1981 Comment
  HSC44932  Sorbus scopulina J. O. Sawyer 1978-6-19 3250 Siskiyou Marble Mtn. Wilderness Area, trail between Timothy Gulch and Harry Hall Gulch 1433 Comment
  HSC76  Sorbus scopulina William J. Ferlatte 1967-6-30 595 Siskiyou Josephine Lake basin 1677 Comment
  RSA237830  Sorbus scopulina Frederick W. Oettinger 1968-9-8 782 Siskiyou E side of English Lake. Salmon Mtns. High Lake Basins in the vicinity of English Peak. Marble Mtn Wilderness Area. 1814 Comment
  UCR18933  Sorbus scopulina John C. Roos 1948-9-1 3984 Siskiyou 10 mi. SW of Etna Comment
  SEINET5735644 Image available Sorbus scopulina J. M. Tucker 1963-1 3715 Siskiyou Vicinity of Paradise Lake, at base of King's castle on the E side.; Marble Mountain Wild. Area 1981 Comment
  RSA68914  Sparganium angustifolium A. E. Culbertson 1943-8-4 44 Siskiyou Castle Lake, in a north facing cirque with an abrupt 1000 backwall; 14 miles southwest of Mt. Shasta on north side of a 6600 eastern spur of Trinity Mountains; 2000 above Sacramento River within 10 air miles of its headwaters to the west. 1657 Comment
  CHSC106101  Sparganium emersum subsp. emersum Lowell Ahart; John Dittes 2010-7-30 1936 Siskiyou Along the west edge of the Shasta River, about 30 yards northwest of the East Louie Road Bridge, Shasta Big Springs Ranch, 1.6 miles (air) southwest of Big Springs Lake, 4.6 miles (air) northwest of Dwinnel Dam, 5.7 miles (air) southeast of Grenada. 716 Comment
  HSC18902  Spiraea douglasii J. O. Sawyer 1968-7-10 465 Siskiyou Floodplain of Sugar Creek near Sugar Lake. 1799 Comment
  HSC18903  Spiraea douglasii J. O. Sawyer 1968-6-18 246 Siskiyou Valley bottom of Blakes' Fork. 1707 Comment
  HSC18955  Spiraea douglasii J. O. Sawyer 1969-8-4 1917 Siskiyou South Sugar Creek 2043 Comment
  RSA1888  Spiraea douglasii Carl B. Wolf 1930-10-22 1754 Siskiyou 1 mile W of Mt Shasta City. 1067 Comment
  CAS-BOT-BC152554  Spiraea splendens Ira L. Wiggins 1955-7-27 13528 Siskiyou Caribou Lake, Salmon-Trinity Alps Primitive Area 2042 Comment
  HSC45185  Spiraea splendens var. splendens J. O. Sawyer, E. Cope 1977-6-18 2933 Siskiyou Along Clear Creek Trail between Bear Pen Creek and West Fork. 671 Comment
  HSC60775  Spiraea splendens var. splendens Ruby Van Deventer 1960-7-7 Siskiyou Bell Echo Camp in Youngs Valley Comment
  UC14964  Spiranthes porrifolia W. A. Setchell, C. C. Dobie 1902-7-25 Siskiyou Sisson Tavern Mount Shasta Comment
  HSC102661  Sporobolus cryptandrus J. P. Smith 2009-6-1 12619 Siskiyou Gazelle to Callahan Road. Comment
  UC164138  Stachys ajugoides var. rigida Geo. D. Butler 1909-6-29 174 Siskiyou near Yreka Comment
  CDA41015  Stachys ajugoides var. rigida T. R. Haig & F. D. Horn 1979-8-16 s.n. Siskiyou Gumboot Lake Area, west of Dunsmuir. 0 Comment
  CDA19580  Stachys rigida F. G. Andrews, A. J. Gilbert 2002-6-28 s.n. Siskiyou Northern California; Yreka Park, 0.5 mi W of Yreka. 844 Comment
  HSC27097  Stachys rigida J. P. Smith, J. O. Sawyer 1972-9-14 5808 Siskiyou Miner's Creek Rd. just S of French Creek Rd. between Callahan and Etna. 915 Comment
  UC642569  Stellaria calycantha unknown 1939-7-27 13746 Siskiyou above Panther Creek Meadows (w boreal spring); Mount Shasta Comment
  UC524160  Stellaria longipes var. longipes Elmer I. Applegate 1923-8-17 3839 Siskiyou Medicine Lake 1981 Comment
  SEINET5337369  Stellaria nitens G. Butler 1909-3-16 581 Siskiyou Butler's Ranch. Comment
  CAS-BOT-BC516468  Stenanthium occidentale Gilbert Muth 1966-7-19 427 Siskiyou Marble Gap Trail, along 1st bluff, Marble Mts. 1828 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
  CAS-BOT-BC375942  Stephanomeria virgata Louis C. Wheeler 1934-7-17 2912 Siskiyou Klamath National Forest. Cottonwood Creek 1036 Comment
  CAS-BOT-BC87856  Streptanthus tortuosus Reed Rollins 1938-8-21 11555 Siskiyou Mount Shasta. Above Horse Camp and around the Horse Camp fountain overflow. 2438 Comment
  CAS-BOT-BC87862  Streptanthus tortuosus Carl B. Wolf 1934-7-4 5924 Siskiyou Klamath River, 3 miles below the Bar Creek. 213 Comment
  UC10860  Streptanthus tortuosus W. H. Brewer 1862-9-16 1418 Siskiyou Mount Shasta 2438 Comment
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May 1 2011
  UC130672  Streptanthus tortuosus var. orbiculatus H. M. Hall July 1909 8673 Siskiyou Salmon River 1645 Comment
  UC725573  Streptanthus tortuosus var. orbiculatus A. A. Heller 1940-7-25 15769 Siskiyou along stony pathway above Horse Camp Lodge 2438 Comment
  HSC76979  Streptanthus tortuosus var. tortuosus K. T. Stillman 1976-6-25 41 Siskiyou Marble Mtn. Wilderness Area, Marble Valley 1829 Comment
  RSA237936  Streptopus amplexifolius Frederick W. Oettinger 1968-8-10 462 Siskiyou Inlet to Hancock Lake. Salmon Mountains; the High Lake Basins in the vicinity of English Peak; Marble Mountain Wilderness Area 1936 Comment
  RSA68948  Streptopus amplexifolius A. E. Culbertson 1943-7-1 10 Siskiyou Near Forest Service Campground about a mile downstream from Castle Lake on road to town of Shasta. On a north slope of a 6600 eastern spur of Trinity Mountains and 1500 above Sacramento River., Within 9 air miles of its headwaters to the west. Mt. Shasta 13 miles to the northeast. 1524 Comment
  UC1312955  Streptopus amplexifolius var. americanus J. M. Tucker 1963-8-19 3771 Siskiyou headwaters of Canyon Creek; Marble Mountain Wilderness Area 1950 Comment
  UC1191398  Suaeda calceoliformis Verne Grant and Irving Schneider 1947-8-26 8304 Siskiyou Lower Klamath Lake; flats by Interstate Highway Comment
  JEPS87630  Symphoricarpos albus var. laevigatus Vernon H. Oswald and Lowell Ahart 1994-8-10 6460 Siskiyou ca. 4 mi. (air) n.-n.e. Bartle (FS 40N39 at Stillwater Meadows on Bartle Creek, ca. 0.5 mi. w. of Harris Spring Rd. (FS15)) 1359 Comment
  CAS-BOT-BC234784  Symphoricarpos mollis H. A. Thomas; J. H. Thomas 1954-7-22 4444 Siskiyou Salmon - Trinity Mts. About 6 miles SE of Cecilville. Between Rush and Big Bend Creeks, 0.25 - 0.5 miles N of S Fork of Salmon River 975 Comment
  HSC77248  Symphoricarpos mollis L. P. Janeway 1983-7-18 432 Siskiyou Near Rd. 19N07, ca. 6 mi. from Indian Creek Rd. 1220 Comment
  JEPS12675  Symphoricarpos mollis Geo. D. Butler 1909-6-22 947 Siskiyou Goosenest Mountain Comment
  SFV5181  Symphoricarpos mollis B. C. Templeton 1960-6-21 8559 Siskiyou Klamath Mountains Near the top of Scott Mountain. On mountain slopes. 1645 Comment
  CAS-BOT-BC245774  Symphoricarpos rotundifolius Wm. Bridge Cooke 1938-8-23 11578 Siskiyou Above Bolam Creek, Mount Shasta 2590 Comment
  CAS-BOT-BC97886  Symphyotrichum eatonii Alice Eastwood 1922-10-18 11513 Siskiyou Shasta Springs Comment
  CAS-BOT-BC97887  Symphyotrichum eatonii L. E. Smith 1912-8-1 s.n. Siskiyou Weed Comment
  CAS-BOT-BC97889  Symphyotrichum eatonii Louis C. Wheeler 1934-9-19 3284 Siskiyou Walker, Klamath River, Siskiyou Mts. 518 Comment
  CAS-BOT-BC97948  Symphyotrichum frondosum A. A. Heller 1917-9-7 12977 Siskiyou Shasta Valley two miles south of Grenada 914 Comment
  UC1409458  Symphyotrichum hendersonii F. W. Oettinger 1969-8-16 1407 Siskiyou below, central areas of Wiregrass Meadow English Lake; Salmon Mts., English Peak Comment
  CAS-BOT-BC98430  Symphyotrichum spathulatum A. A. Heller 1940-7-24 15760 Siskiyou Along the outlet of Castle Lake at the lake. Comment
  UCD86126  Taeniatherum caput-medusae Beecher Crampton 1969-6-19 8472 Siskiyou 1 mile north of Edgewood. Comment
  CAS-BOT-BC81344  Taxus brevifolia Alice Eastwood 1917-9-2 6709 Siskiyou Shasta Springs Comment
  SBBG33706  Taxus brevifolia W. M. Plum 1969-9-23 Siskiyou Parks Crk below China Mtn Comment
  HSC640  Tellima grandiflora William J. Ferlatte 1967-6-30 599 Siskiyou Josephine Lake basin 1677 Comment
  RSA181617  Tellima grandiflora Dorothy Parker 1950-6-15 454 Siskiyou Along Kidder Creek. 915 Comment
  UC163881  Tetradymia canescens Geo. D. Butler 1909-6-27 955 Siskiyou Shasta Rim hills Shasta Rim 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
  HSC24813  Thelypteris nevadensis J. O. Sawyer 1969-7-23 1441 Siskiyou Near N Horse Range Creek, along C.C.C. road. 1341 Comment
  CDA15532  Thermopsis robusta G. F. Hrusa, T. D. Wilfred 1998-7-5 14700 Siskiyou Siskiyou Mountains; Cedar Camp Rd. +- 5 mi. E of Weitchpec on Hwy 96. N side of Hwy. Mile 8.8. Sheet 2 of 2 Comment
  SEINET10448380  Thlaspi montanum Mary Susan Taylor 1980-7-8 Taylor 3097 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
  JEPS54041  Thlaspi montanum var. montanum Geo. D. Butler 1908-8-4 124 Siskiyou head of Shackleford Creek 1676 Comment
  CAS-BOT-BC66801  Thysanocarpus curvipes L. B. Kildale 1930-6-1 9703 Siskiyou Salmon River at Crapp Creek. Comment
  RSA211324  Tofieldia glutinosa subsp. occidentalis William J. Ferlatte 1966-8-16 369 Siskiyou Trinity Alps: Big Flat, between campground and south forth of the Salmon River 1524 Comment
  JEPS74511  Tofieldia occidentalis subsp. occidentalis W. J. Ferlatte 1966-8-16 369 Siskiyou Big Flat Hillside Trinity Alps 1524 Comment
  HSC30567  Torreyochloa pallida var. pauciflora Frederick W. Oettinger 1969-8-22 1508 Siskiyou Marble Mtns. Wilderness Area, margin of Horse Range Lake 1829 Comment
  CAS-BOT-BC169256  Toxicodendron diversilobum Alice Eastwood 1923-5-18 11836 Siskiyou Shasta Sprnigs Comment
  UC163695  Toxicodendron diversilobum Geo. D. Butler 1908-7-4 1034 Siskiyou Shasta R. near mouth Shasta R. Comment
  UCD136889  Tragopogon dubius J. M. Tucker 1950-7-24 1945 Siskiyou Outskirts of town of Mt. Shasta. Comment
  CAS-BOT-BC519556  Triantha occidentalis subsp. occidentalis W. B. C. 1939-7-7 13611 Siskiyou Siskiyou Comment
  HSC68413  Trientalis latifolia Maralyn A. Renner 1980-7-4 1407 Siskiyou Near trail about 0.25 mi. below Rattlesnake Meadow. 1585 Comment
  CDA39670  Trientalis latifolia F. D. Horn 1977-6-8 s.n. Siskiyou North of Weed on old Highway 99. 0 Comment
  RSA583104  Trifolium Louis C. Wheeler 1935-6-27 3617 Siskiyou Greenview, Scott Valley. 884 Comment
  JEPS65700  Trifolium albopurpureum var. dichotomum Geo. D. Butler 1909-5-13 710 Siskiyou near Yreka; Klamath Hills Comment
  RSA293201  Trifolium dubium J. P. Smith 1973-5-5 6544 Siskiyou Scott Bar along the Scott River. Comment
  UC163821  Trifolium eriocephalum var. eriocephalum Geo. D. Butler 1910-6-6 Siskiyou Inez Valley Comment
  CAS-BOT-BC219039  Trifolium howellii John Thomas Howell 1939-8-7 15118 Siskiyou Sky High Valley, Marble Mts. 1828 Comment
  UC630997  Trifolium hybridum A. A. Heller 1916-6-20 12415 Siskiyou Metcalf's Ranch ne base of Mt. Eddy 1188 Comment
  RSA582432  Trifolium hybridum Louis C. Wheeler 2791 Siskiyou Cottonwood Creek 838 Comment
  HSC1  Trifolium longipes William J. Ferlatte 1966-6-23 130 Siskiyou Yellow Rose Mine 1982 Comment
  HSC71359  Trifolium longipes J. P. Smith, Steve Selva 1970-7-17 4455 Siskiyou Below Kangaroo Lake. 1890 Comment
  POM27525  Trifolium longipes subsp. elmeri Geo. D. Butler 1910-6-5 1507 Siskiyou Shackleford Creek Comment
  RSA11936  Trifolium longipes var. shastense Elmer I. Applegate 1923-8-20 39069 Siskiyou Medicine Lake Comment
  UC164238  Trifolium microcephalum Geo. D. Butler 1908-6-28 380 Siskiyou upper end Quartz Valley Comment
  HSC794  Trifolium productum William J. Ferlatte 1967-7-9 697 Siskiyou Kidd Creek Trail 1982 Comment
  CHSC91362  Trifolium retusum Lowell Ahart; John Dittes 2005-6-10 12124 Siskiyou Northeast 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
  RSA634246  Trifolium willdenovii Barbara L. Wilson 1996-6-1 8118 Siskiyou Klamath National Forest; Idlewild Campground on the Salmon River at thr intersection of Forest Service roads 41N37 and 1C01. Comment
  CAS-BOT-BC521555  Trillium L. R. Short 1933-5-23 135 Siskiyou Klamath Forest 914 Comment
  UC164451  Trillium albidum Geo. D. Butler 1909-4-14 669 Siskiyou Humbug <road> Comment
  CAS-BOT-BC519099  Trillium chloropetalum var. chloropetalum J. H. Thomas 1949-6-16 946 Siskiyou 1/4 mile north of Beaver Creek Public Camp along Beaver Creek, 5 miles north of junction of Beaver Creek and Klamath River, Klamath National Forest Comment
  HSC75147  Trillium ovatum Maralyn O'Meara 1973-6-26 247 Siskiyou 14 mi. from Hwy. 96 on USFS Rd. 46N65 1756 Comment
  UC1197818  Trillium ovatum Joseph P. Tracy 1935-8-1 14409 Siskiyou on ridge between Salmon and New Rivers (at extreme head of W. Fork Knownothing Creek); W. Fork Knownothing Creek 1889 Comment
  HSC783  Trillium ovatum subsp. oettingeri William J. Ferlatte 1966-6-22 102 Siskiyou Along the S Fork of the Salmon River, between the campground and Carter's. 1524 Comment
  RSA234819  Trillium ovatum subsp. oettingeri Frederick W. Oettinger 1969-7-5 932 Siskiyou Northeast shore of Taylor Lake. Salmon Mtns. High Lake Basin in the vicinity of English Peak. Marble Mountain Wilderness Area. Comment
  RSA234827  Trillium ovatum subsp. oettingeri Frederick W. Oettinger 1967-6-27 124 Siskiyou Englemann Spruce Forest off Music Creek logging road. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1732 Comment
  CHSC187  Triodanis biflora 1943-8-5 Siskiyou Scott Valley. Comment
  UC1024700  Trisetum canescens L. Whitney 1934-6-27 2145 Siskiyou 1706 Comment
  HSC86562  Trisetum cernuum D. K. Imper 1987-7-21 Siskiyou 8 mi. E of Somes Bar, vicinity of Haypress Meadows 1372 Comment
  CAS-BOT-BC200267  Trisetum spicatum Gilbert Muth 1966-8-3 492 Siskiyou Marble Valley meadow, Marble Mts. 1792 Comment
  HSC19120  Trisetum spicatum J. O. Sawyer 1969-8-1 1631 Siskiyou SE facing slope above Duck Lake Creek 1951 Comment
  JEPS82430  Trisetum spicatum Gilbert Muth 1966-7-31 469 Siskiyou n side Black Mt.; Marble Mt. Wilderness Area 1981 Comment
  CAS-BOT-BC133494  Triteleia crocea Dorothy Parker 1948-5-16 s.n. Siskiyou Near Harstrand Gulch, east side of Scott Valley 914 Comment
  SJSU6067  Triteleia crocea R. W. Trivelpiece 1971-6-6 10 Siskiyou E Fork Horse Creek between White Mt & White Cloud Mt c. 5 mi S of Oregon border 944 Comment
  SEINET10472653  Triteleia grandiflora Mary Susan Taylor 1980-7-8 Taylor 3116 Siskiyou T39N R5W se sec 24, Dunsmuir quad; Shasta-Trinity Natl Forest; on ridge S of Castle Lake, above Hearts Lake. 2017 Comment
  UC333367  Triteleia hyacinthina unknown 1889-6-27 Siskiyou near Edgewood Comment
  UC726460  Triteleia hyacinthina A. A. Heller 1919-6-25 13265 Siskiyou Compton's Prairie Comment
  RSA378019  Triteleia hyacinthina M. B. Dunkle 9345 Siskiyou Klamath National Forest, Marble Mountains. 2439 Comment
  SEINET8398509  Triteleia ixioides Frank Callahan 1990-7-4 Siskiyou south slope of Mt. Shasta, growing in dry fringes of Wagon Camp Meadows. 1762 Comment
  RSA184702  Tsuga mertensiana Gilbert Muth 1966-8-6 223 Siskiyou Marble Valley near meadow, Marble Mountains. 1793 Comment
  RSA331960  Tsuga mertensiana W. Wisura, D. Kelly 1985-7-30 4076 Siskiyou Along forestry road 47N63 near Siskiyou Summit, N of Horse Creek on Hwy 96. Comment
  UCD77352  Turritis glabra Robert E. Preston 2001-7-20 1698 Siskiyou Rainbow Mountain and Vicinity. Klamath National Forest, north slope of Rainbow Mountain, N of Hemlock Lake. 1676 Comment
  SEINET8715148 Image available Umbellularia californica Unknown 1940-1 2223 Siskiyou Dry hillside along Indian Creek, 12 miles above Happy Camp. Comment
  UC5982 Image available Urtica dioica subsp. holosericea Edward L. Greene 1870-8-25 1028 Siskiyou near Etna Comment
  CAS-BOT-BC391313  Vaccaria hispanica L. E. Smith 1914-6-24 723 Siskiyou Sisson Comment
  CAS-BOT-BC199197  Vaccinium cespitosum Doris K. Kildale 1929-8-24 9021 Siskiyou Rattlesnake Meadow near Preston Peak 1676 Comment
  HSC96882  Vaccinium cespitosum Gordon Leppig 1998-7-10 912 Siskiyou Russian Wilderness, cirque W of Little Duck Lake 671 Comment
  UC1409405  Vaccinium cespitosum Frederick W. Oettinger 1969-7-11 976 Siskiyou ne shore Hancock Lake (w Siskiyou County); Salmon Mountains, Marble Mt. Wilderness Area, English Peak 1935 Comment
  UC165288  Vaccinium cespitosum Geo. D. Butler 1910-7-11 1740 Siskiyou Upper Campbell Lake 1676 Comment
  HSC19115  Vaccinium membranaceum J. O. Sawyer 1969-8-1 1595 Siskiyou Behind Horseshoe Lake 1921 Comment
  HSC29347  Vaccinium membranaceum Frederick W. Oettinger 1968-9-7 763 Siskiyou Marble Mountain Wilderness Area, E side of Tobacco Lake 1890 Comment
  HSC69391  Vaccinium membranaceum Maralyn A. Renner 1980-8-31 2651 Siskiyou Poker Flat at trailhead to Twin Valley 1524 Comment
  UC165967  Vaccinium membranaceum Geo. D. Butler 1908-8-8 30 Siskiyou s of Lake (at head of West Fork of Wooley Creek); West Fork of Wooley Creek Comment