Search Results — 2000 specimen records retrieved (1362 records with coordinates)
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 Please cite data retrieved from this page: Data provided by the participants of the Consortium of California Herbaria (ucjeps.berkeley.edu/consortium/).
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? Specimen ID Determination * Collector Collection Date Collection Number County Locality Elevation in meters Feedback
  HSC41645  Abies X shastensis Robert Wharton 1977-10-9 Siskiyou N slope of Mt. Shasta, Bulk Collection #116 2287 Comment
  HSC4976  Abies X shastensis J. O. Sawyer 1968-9-13 715 Siskiyou W of the Happy Camp/O'Brien Rd. between Louse Creek and Indian Creek, on the E slopes of Little Grayback 1463 Comment
  HSC1337  Abies concolor D. M. Thomson 1965-8-14 197 Siskiyou Lava Beds National Monument, Tickner Rd., 2 mi. SW of Mammoth Crater Comment
  HSC32593  Abies concolor Steven Lagos 1974-5-26 89 Siskiyou Duck Lake Creek drainage 146 Comment
  HSC43427  Abies concolor Maralyn O'Meara 1974-5-25 390 Siskiyou Along road to Duck Lakes trail 1402 Comment
  LA6362  Abies concolor Wm. Bridge Cooke; 1939-7-29 13790 Siskiyou Mount Shasta, along the Sisson Southern Trail 1676 Comment
  RSA6533  Abies concolor Elmer I. Applegate 1895-5-30 s.n. Siskiyou East lake of Mt. Shasta, near Sissen. Comment
  UC401382  Abies concolor Annie M. Alexander and L. Kellogg 1911-6-20 159 Siskiyou Jackson L. Comment
  HSC69242  Abies magnifica Maralyn A. Renner 1980-9-1 2701 Siskiyou S side of Devil's Punchbowl 1829 Comment
  HSC69303  Abies magnifica Maralyn A. Renner 1980-7-24 1986 Siskiyou Pacific Crest Trail above Lily Pad Lake. 1799 Comment
  UC1001951  Abies magnifica var. shastensis Mrs. B. M. Berry 1954-10-9 1 Siskiyou between Etna and Salmon Mountain summit; Salmon Mountains, Salmon Mountain 1828 Comment
  LA206867  Abies procera C. B. Wolf; 1934-7-5 5969 Siskiyou Siskiyou Mountains, 2.8 mi from Dry Lake lookout on rd to Horse Creek 2133 Comment
  UC1409509  Abies procera Frederick W. Oettinger 1968-9-10 811 Siskiyou slope n peak near English Lake (w Siskiyou Co.); Salmon Mountains 2103 Comment
  HSC69237  Acer glabrum var. torreyi Maralyn A. Renner 1980-9-1 2708 Siskiyou S side of Devil's Punchbowl 1829 Comment
  RSA183746  Acer glabrum var. torreyi Gilbert Muth 1965-8-3 147 Siskiyou Marble Mountains, on trail to 4-corners Comment
  SEINET10454033  Acer glabrum var. torreyi Mary Merello 1993-6-22 Merello 690 Siskiyou Shasta National Forest outside of Mt. Shasta City. Along Forest Service Road 26 to Lake Siskiyou. Mixed conifer forest along rocky, gravely slopes of the Sacramento River. 1090 Comment
  CAS-BOT-BC18869  Achillea millefolium William Bridge Cooke 1939-8-10 13873 Siskiyou Mount Shasta, on upper flats along the Mud Creek Canyon on its west side. 2895 Comment
  CAS-BOT-BC18873  Achillea millefolium Elmer I. Applegate 1923-8-20 3909 Siskiyou Medicine Lake Comment
  HSC77412  Achillea millefolium L. P. Janeway 1983-9-11 670 Siskiyou Poker Flat 1524 Comment
  JEPS74480  Achillea millefolium W. J. Ferlatte 1966-8-3 247 Siskiyou at, in wooded area near public camp Big Flat; Trinity Alps, Big Flat 1524 Comment
  RSA715491  Achillea millefolium L. Ahart, John Dittes 2005-6-9 12039 Siskiyou About 3/5 mile (air) south of Highway 99/97 Cutoff, about 2 1/2 miles (air) east-southeast of Grenada. 775 Comment
  UCD77247  Achillea millefolium Robert E. Preston 2001-6-23 1618 Siskiyou Klamath National Forest, n-facing slope of Rainbow Mtn. 1706 Comment
  CAS-BOT-BC30430  Achillea millefolium W. R. Dudley 1899-8-26 s.n. Siskiyou Eddy Mountain side Comment
  HSC44593  Achillea millefolium Laura Witherspoon 1977-7-30 Siskiyou Edge of Flint Valley 1341 Comment
  RSA237218  Achillea millefolium var. occidentalis Frederick W. Oettinger 1967-8-13 266 Siskiyou Common on dry margins of Bear Meadow' midway, as the crow flies, between Tom Taylor Cabin and English Peak Lookout. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1997 Comment
  JEPS82714  Achlys triphylla subsp. triphylla Wayne Roderick 1973-7-10 Siskiyou Doe Flat 1143 Comment
  UCD50434  Achnatherum hymenoides Mr. Roseman 1913-1 11 Siskiyou Butte Valley. Comment
  CHSC30753  Achnatherum occidentale subsp. californicum M. S. Taylor; J. Prouty, E. Heinitz 1980-8-18 3257 Siskiyou Ca. 50 ft e of Hwy 15, ca. 3 mi n of its jct with Hwy 89, ca. 17 mi e of McCloud. Comment
  CHSC91226  Achnatherum thurberianum Lowell Ahart; John Dittes 2005-6-9 12027 Siskiyou Hill, south of a rock fence, about 100 yards northeast of where cattle water in the Shasta River, about 3/5 mile (air) south of Highway 99/97 Cutoff, about 2 1/2 miles (air) east-southeast of Grenada. 774 Comment
  UCD103800  Acmispon americanus var. americanus A. A. Heller 1914-8-25 11701 Siskiyou Deetz Station near Black Butte. 1158 Comment
  CDA24172  Aconitum columbianum F. D. Horn 1979-7-22 Siskiyou Duck Lake Creek, near Etna. 0 Comment
  RSA608668  Aconitum columbianum Louis C. Wheeler 1963-9-11 8382 Siskiyou Siskiyou Mountains: Dillon Creek. 1494 Comment
  CAS-BOT-BC391514  Aconitum columbianum subsp. columbianum Alice Eastwood 1917-9-2 6640 Siskiyou Shasta Springs Comment
  HSC36  Aconitum columbianum subsp. columbianum William J. Ferlatte 1966-8-3 292 Siskiyou Josephine Lake basin 1677 Comment
  HSC36225  Aconitum columbianum subsp. columbianum John Rehling 1974-8-24 48 Siskiyou Trail to Big Duck Lake Comment
  HSC78224  Aconitum columbianum subsp. columbianum L. P. Janeway 1983-8-26 594 Siskiyou Poker Flat, wet upper part of lower portion of meadow 1524 Comment
  RSA32897  Aconitum columbianum var. columbianum A. A. Heller 1927-8-1 14433 Siskiyou Sisson. Comment
  CAS-BOT-BC412917  Aconogonon davisiae Alice Eastwood 1912-8-30 1994 Siskiyou Mount Eddy Comment
  CAS-BOT-BC391705  Actaea rubra Doris K. Kildale 1928-8-18 6494 Siskiyou Near head of north fork of Salmon River at Finley's Upper Camp Comment
  OBI55435  Adenocaulon bicolor David J. Keil 1992-7-20 23494 Siskiyou Klamath Natl forest, W of Fort Jones. Along forest Rd 44N45, 3.9 mi S of Scott River Rd Comment
  UC811180  Adiantum aleuticum A. A. Heller 1915-8-26 12235 Siskiyou Mt Eddy 1828 Comment
  UC811182  Adiantum aleuticum L. E. Smith 1913-7-12 475 Siskiyou Castle Lake Comment
  UCD137174  Adiantum aleuticum H. P. Olmo 1931-6-1 s.n. Siskiyou Somesbar. Comment
  HSC102716  Aegilops cylindrica J. P. Smith 2013-6-18 13749 Siskiyou S. Main Street in Yreka. 838 Comment
  CDA36800  Aegilops cylindrica D. B. Joley 1976-6-24 1 Siskiyou Montague. 0 Comment
  RSA264983  Agastache urticifolia Gilbert Muth 1975-7-29 5836 Siskiyou Near Kangaroo Mtn. Near Seiad Valley. 1756 Comment
  UC637091  Agastache urticifolia Edward Lee 1934-8-15 1125 Siskiyou summit of the Happy Camp - Waldo (Ore.) road; watershed of Indian Creek 1615 Comment
  UC195217  Agastache urticifolia Annie M. Alexander and L. Kellogg 1911-7-30 305 Siskiyou Hd Rush Cr Comment
  UC883212  Agastache urticifolia Milo S. Baker Siskiyou McCloud River s Mt. Shasta; McCloud River s of Mt. Shasta Comment
  CAS-BOT-BC29444  Ageratina occidentalis Carl B. Wolf 1927-8-26 1081 Siskiyou On the Klamath River, 5 mi below Hamburg Comment
  RSA45346  Ageratina occidentalis Dorothy Parker 1946-8-18 s.n. Siskiyou Rail Creek 1220 Comment
  CAS-BOT-BC15478  Agoseris X dasycarpa Elmer I. Applegate 1923-8-17 3845 Siskiyou West side of Medicine Lake Comment
  CHSC88372  Agoseris glauca var. monticola Jenny Marr 1993-7-1 178 Siskiyou Butte Valley Wildlife Area, +/- 7 air miles NW of the town of MacDoel. Meadow NW of Meiss Lake. 1349 Comment
  SEINET10971138  Agoseris glauca var. monticola Mary Susan Taylor 1980-8-19 Taylor 3266 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
  CAS-BOT-BC15381  Agoseris grandiflora var. grandiflora Alice Eastwood 1912-7-17 1171 Siskiyou Sisson Comment
  UC163883  Agoseris grandiflora var. grandiflora Geo. D. Butler 1910-5-26 1367 Siskiyou Yreka Yreka Comment
  UC163884  Agoseris grandiflora var. grandiflora Geo. D. Butler 1908-8-3 301 Siskiyou Shadeford Creek Log Lake, Shadeford Creek Comment
  CAS-BOT-BC22774  Agoseris heterophylla Lewis S. Rose 1945-6-18 45108 Siskiyou Horse Creek and Klamath River 502 Comment
  HSC92584  Agoseris monticola Jennifer Whipple 1977-8-4 2159 Siskiyou Wagon Creek Drainage near Wagon Creek 2195 Comment
  UC618704  Agoseris monticola W. B. Cooke 1938-9-8 8200 Siskiyou near, in lava fields South Gare Springs; Mt. Shasta 2499 Comment
  UC904779  Agoseris monticola W. Bridge Cooke 1949-8-22 25604 Siskiyou South Gate (Mt. Shasta) Mount Shasta 2590 Comment
  CAS-BOT-BC13189  Agoseris monticola Wm. Bridge Cooke 1938-9-8 11643 Siskiyou Near the South Gate Springs, Mount Shasta 2499 Comment
  CAS-BOT-BC110737  Agropyron Melissa A. Berry 1957-7-2 s.n. Siskiyou Scott Valley. 822 Comment
  CHSC71512  Agropyron desertorum Vernon H. Oswald; Lowell Ahart 1998-7-21 9325 Siskiyou Hwy. 97 between Weed and Macdoel at the west end of Grass Lake. 1524 Comment
  UC1130657  Agrostis alba H. S. Yates 1936-6-21 5824 Siskiyou 1 mi se Gazelle; Etna Quad. Comment
  HSC77085  Agrostis exarata K. T. Stillman 1976-7-30 330 Siskiyou Marble Mtn. Wilderness Area, Elk Valley. Comment
  RSA13870  Agrostis exarata L. C. Wheeler 1934-6-26 2792 Siskiyou Siskiyou Mountains, Cottonwood Creek. 838 Comment
  JEPS73751  Agrostis gigantea Geo. D. Butler 1909-8-16 861 Siskiyou along creek near Yreka Comment
  JEPS84087  Agrostis idahoensis L. R. Heckard with S. D'Alcamo, J. Hickman, S. Winchester 1986-7-16 6340 Siskiyou ca 7 mi nne Seiad Valley (sw of Cook and Green Pass, ca 0.5 mi se of Red Butte) 1730 Comment
  RSA602589  Agrostis idahoensis L. C. Wheeler 1935-7-23 3684 Siskiyou Siskiyou Mountains: Mt. Diablo Mer.; Mud Springs, Middlehell Creek. 2011 Comment
  CAS-BOT-BC138939  Agrostis pallens Geo. D. Butler 1910-7-12 1748 Siskiyou Shackerford Creek. 1219 Comment
  CAS-BOT-BC138942  Agrostis pallens Doris K. Kildale 1928-7-25 5909 Siskiyou Klamath RIver. Mack's Creek near Hamburg. Comment
  HSC30512  Agrostis pallens Frederick W. Oettinger 1969-8-14 1377 Siskiyou Marble Mtn. Wilderness Area, on margins of open areas, inlet to Upper English Lake 1753 Comment
  HSC30552  Agrostis pallens Frederick W. Oettinger 1969-8-16 1411 Siskiyou Marble Mtn.Wilderness Area, English Lake, open dry rocky level NE of wiregrass meadow. 1677 Comment
  RSA603997  Agrostis pallens L. C. Wheeler 1934-8-14 3144 Siskiyou White Mountain: East end. 1767 Comment
  RSA697272  Agrostis pallens D. W. Taylor 1996-7-7 15810 Siskiyou Salmon Mountains; Ruffey Lakes (about 8 air miles southwest of Etna) in cirque above the upper lake; Klamath National Forest 2073 Comment
  HSC101547  Agrostis scabra J. P. Smith 2009-8-22 12658 Siskiyou Along the road to Bray. 1422 Comment
  UC143986  Agrostis scabra Copeland 1903-9-5 3799 Siskiyou Igerna Comment
  UCD53370  Agrostis scabra Robert E. Preston 2001-8-26 1763 Siskiyou Klamath National Forest, north slope of Rainbow Mountain, Hemlock Lake. 1883 Comment
  HSC45898  Agrostis stolonifera Laura Witherspoon 1978-8-31 112 Siskiyou Klamath National Forest 1982 Comment
  RSA238341  Agrostis stolonifera Frederick W. Oettinger 1969-8-24 1523 Siskiyou Near inlet to Upper English lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1799 Comment
  UCD73826  Agrostis stolonifera Mr. Roseman 1913-1 13 Siskiyou Butte Valley. Comment
  HSC77086  Agrostis variabilis K. T. Stillman 1976-7-30 331 Siskiyou Marble Mtn. Wilderness Area, Elk Valley. Comment
  CAS-BOT-BC459428  Allium acuminatum Geo. D. Butler 1909-5-26 788 Siskiyou near Yreka Comment
  CAS-BOT-BC459430  Allium acuminatum L. B. Kildale 1930-5-31 9801 Siskiyou island in Klamath River near Hornbrook Comment
  CDA39430  Allium bolanderi G. D. Barbe, J. T. Howell, T. C. Fuller 1980-5-2 2772 Siskiyou Northwest point of Chaparral Hill overlooking Scott River, 2 miles (3.2 km) west of Fort Jones on Lighthill Grade Road. Comment
  HSC58838  Allium campanulatum Marvin Butler 1971-7-28 221 Siskiyou Near Marv's Meadow 2073 Comment
  HSC30437  Allium campanulatum Frederick W. Oettinger 1969-7-28 1089 Siskiyou Marble Mtn. Wilderness Area, N of Tom's Laver Pond 1982 Comment
  CAS-BOT-BC469231  Allium falcifolium K. T. Stillman 1976-8-7 194 Siskiyou Marble Mountain Wilderness Area 1828 Comment
  HSC46211  Allium falcifolium Jennifer Whipple 1976-5-2 900 Siskiyou Scott Valley near Weston Gulch 854 Comment
  SEINET10839450  Allium falcifolium Mary Susan Taylor 1980-7-8 Taylor 3111 Siskiyou T39N R5W se sec 24, Dunsmuir quad; Shasta-Trinity Natl Forest; on ridge S of Castle Lake, above Hearts Lake. 2017 Comment
  UCD141861  Allium validum Doug Barbe 1959-7-11 540 Siskiyou north of Gumboot Lake, west of city of Shasta and south of Mt. Eddy. 1767 Comment
  CAS-BOT-BC478036  Allium validum John Thomas Howell 1939-8-3 14948 Siskiyou Spirit Lake, Marble Mts. 1828 Comment
  CAS-BOT-BC171407  Alnus incana subsp. tenuifolia C. B. Wolf 1930-10-22 1752 Siskiyou 1 miles W of Mt. Shasta City 1066 Comment
  CAS-BOT-BC171410  Alnus incana subsp. tenuifolia A. A. Heller 1916-8-24 12559 Siskiyou near Sisson 10 Comment
  RSA238548  Alnus incana subsp. tenuifolia Frederick W. Oettinger 1967-8-20 294 Siskiyou The Salmon Mountains, in the vicinity of English Peak, Marble Mountain Wilderness Area, along the stream from Tom Taylor Cabin spring. 2050 Comment
  CHSC118466  Alnus incana subsp. tenuifolia Julie Kierstead Nelson 2015-8-13 2015 -131 Siskiyou UTM NAD 83 Zone 10, 536590m E, 4583713m N. Headwaters of west fork Parks Creek, 2 miles NE of China Mountain 2176 Comment
  HSC68578  Alnus rhombifolia Maralyn A. Renner 1980-6-23 973 Siskiyou W Fork Seiad Creek 878 Comment
  UC164073  Alnus rhombifolia Geo. D. Butler 1909-3-26 563 Siskiyou mining dump near Oro Fino Comment
  CAS-BOT-BC169700  Alnus rhombifolia W. R. Dudley; F. H. Lamb 1896-6-29 4751 Siskiyou Goodenough Meadows. Mt. Pinos Region Comment
  HSC42237  Alnus viridis subsp. sinuata R. J. Mastrogiuseppe, J. D. Mastrogiuseppe 1974-9-2 159 Siskiyou On both sides of Kidd Creek Comment
  HSC45042  Alnus viridis subsp. sinuata J. O. Sawyer 1978-6-20 3274 Siskiyou Marble Mtn. Wilderness Area, Hamilton Camp 1829 Comment
  LA204106  Alnus viridis subsp. sinuata Wm. Bridge Cooke; 1939-8-10 13862 Siskiyou Mount Shasta, around the springs on the walls of Mud Creek Canyon 2133 Comment
  RSA184765  Alnus viridis subsp. sinuata Gilbert Muth 1966-7-29 462 Siskiyou Marble Valley, by waterfall, Marble Mountains. 1829 Comment
  SBBG14332  Alnus viridis subsp. sinuata J. Major 1961-7-14 649 Siskiyou Mud Crk, Mt Shasta 2316 Comment
  SEINET3155432  Amaranthus blitoides G. D. Butler 1910-8-5 1812 Siskiyou Yuka Comment
  UC1505822  Amelanchier alnifolia var. semiintegrifolia K. M. Wiegand 1941-7-26 4948 Siskiyou canyon of Mud Creek canyon of Mud Creek, Mt. Shasta; So. Cascade Mts., Mt. Shasta, Sacramento River Basin 1524 Comment
  HSC29350  Amelanchier pallida Frederick W. Oettinger 1969-7-18 1057 Siskiyou Marble Mtn. Wilderness Area, SW of Upper English Lake 1951 Comment
  HSC65271  Amelanchier pallida Rich White 1978-7-6 247 Siskiyou Pond above Elk Hole 1524 Comment
  POM148465  Amelanchier pallida J. B. Feudge 1927-7-22 1686 Siskiyou Mt. Shasta City 1098 Comment
  CHSC69085  Amelanchier utahensis Vernon Oswald; Lowell Ahart 1997-7-28 8793 Siskiyou Southeast of Medicine Lake at Paynes Springs. Paynes Creek Canyon north of the campground. 1981 Comment
  UC144389 Image available Amelanchier utahensis A. A. Heller 1905-6-9 8003 Siskiyou Yreka Comment
  POM369883  Amsinckia intermedia Edwin Kline 1920-06 s.n. Siskiyou Siskiyou Mts. Comment
  CDA40472  Amsinckia menziesii T. C. Fuller 1966-5-26 14714 Siskiyou Quartz Valley, 2 miles west of Greenview. 0 Comment
  UCD119751  Amsinckia menziesii Jean H. Langenheim 1957-5-19 4348 Siskiyou Intersection of Miner's Creek Road and Tiger Creek Road, boundary SE 1/4. Comment
  JEPS85080  Anaphalis margaritacea W. B. and V. G. Cooke with Ted Graves 1988-8-29 64234 Siskiyou s side, in Mud Creek drainage Mount Shasta; Shasta-Trinity National Forest, Mount Shasta 1584 Comment
  UCD77331  Anaphalis margaritacea Robert E. Preston 2003-7-29 2166 Siskiyou S slope of Rainbow Mountain 1785 Comment
  RSA96846  Anaphalis margaritacea Percy C. Everett, E. K. Balls 1954-10-14 20295 Siskiyou Along Klamath River, 7.6 mi. N of Somesbar, Hwy 96. 244 Comment
  JEPS40557  Ancistrocarphus filagineus Geo. D. Butler 1909-5-24 718 Siskiyou near Yreka Comment
  UC165413  Ancistrocarphus filagineus Geo. D. Butler 1910-4-27 1244 Siskiyou (dry trodden places) Oro Fino Comment
  CDA39676  Androsace elongata subsp. acuta J. T. Howell 1980-4-3 s.n. Siskiyou 10 miles south of Fort Jones on Scott Valley East Side Road. 0 Comment
  CAS-BOT-BC391806  Anemone deltoidea John Thomas Howell 1939-8-2 14927 Siskiyou Spirit Lake, Marble Mts. 1828 Comment
  HSC67684  Anemone deltoidea John Palmer 1980-7-24 629 Siskiyou Klamath National Forest, Elk Hole 1503 Comment
  UC1409280  Anemone deltoidea Frederick W. Oettinger 1968-8-6 427 Siskiyou se corner Hancock Lake (Salmon Mtns, w Siskiyou Co., vicinity of English Pk); Salmon Mtns, Marble Mtn Wilderness Area 1935 Comment
  RSA120810  Anemone deltoidea G. D. Barbe 1957-7-13 388 Siskiyou Private road from Big Flat Camp to the Salmon-Trinity Alps Wilderness Area. 1524 Comment
  UC1409273  Anemone occidentalis Frederick W. Oettinger 1968-8-4 389 Siskiyou along trail just n. Crapo Peak rdige; Salmon Mts., High Lake Basins, English Peak vicinity, Marble 2194 Comment
  UC903756  Anemone occidentalis M. B. Dunkle July, 1945 Siskiyou Marble Mts., Klamath Nat'l Forest Comment
  CAS-BOT-BC391982  Anemone occidentalis Wm. Bridge Cooke 1938-7-21 11303 Siskiyou Mount Shasta. South of Horse Camp Comment
  RSA715493  Anemopsis californica L. Ahart, John Dittes 2005-6-9 12024 Siskiyou On the W side of a poor rock fence. About 280 yards E of where cattle water in the Shasta River. About 3/5 mile (air) S of Hwy 99/97 cutoff. About 2.5 miles (air) ESE of Grenada. 775 Comment
  UC1356635  Angelica arguta J. F. Emmel 1968-7-22 90 Siskiyou Trinity Alps, Caribou Lake Caribou Lake; Trinity Alps, Caribou Lake 2103 Comment
  RSA470339  Angelica arguta var. arguta M. B. Dunkle 1945-1 9339 Siskiyou Klamath National Forest; Marble Mountains, Black Marble ridge [?]. Comment
  CHSC91381  Antennaria dimorpha Lowell Ahart; John Dittes 2005-6-10 12075 Siskiyou On the south side of a poor dirt road, about 100 yards northwest of the pump house along the Shasta River, about 1.9 miles (air) south of Highway 99/97 Cutoff, about 6 miles (air) east-southeast of Grenada. 776 Comment
  HSC82554  Antennaria dimorpha Thomas W. Nelson, Jane P. Nelson 1979-5-26 4714 Siskiyou Along Hwy. 3, N of Scott Mtn. Summit, at junction with FS Rd. 40N03 1524 Comment
  UC485652  Antennaria geyeri T. S. Brandegee Siskiyou Sisson Comment
  HSC21993  Antennaria media J. O. Sawyer 1969-8-4 1804 Siskiyou Above Sugar Lake 2134 Comment
  RSA184713  Antennaria media Gilbert Muth 1966-7-14 393 Siskiyou Flat above Marble Valley, Marble Gap Trail, Marble Mountains. 1829 Comment
  HSC78310  Antennaria microphylla L. P. Janeway 1983-8-26 616 Siskiyou At Poker Flat, dry W side of meadow 1524 Comment
  CAS-BOT-BC84791  Antennaria racemosa Doris K. Kildale 1929-7-20 8588 Siskiyou Southeast spur of Preston Peak 1950 Comment
  HSC49950  Antennaria racemosa G. L. Clifton, Griswold 1979-8-12 13993 Siskiyou Near Isinglass Creek, close to the town of Fort Jones 1952 Comment
  RSA416693  Antennaria racemosa M. B. Dunkle 1944-6-26 9047 Siskiyou Deer Creek. 1829 Comment
  UC891547  Antennaria rosea J. Thomas Howell 1937-7-21 13177 Siskiyou near Big Flat; South Fork of Salmon River 1524 Comment
  HSC33962  Antennaria rosea subsp. rosea J. P. Smith 1974-5-25 7446 Siskiyou Near junction of Rd. 8 with French Creek Rd. 1280 Comment
  CHSC75759  Antirrhinum vexillo-calyculatum subsp. breweri Vernon H. Oswald; Lowell Ahart 1999-7-5 9801 Siskiyou Gazelle-Callahan Hwy 9.0 mi west of Gazelle. 914 Comment
  UC902212  Antirrhinum vexillocalyculatum subsp. breweri Joseph P. Tracy 1949-9-14 18551 Siskiyou 5 mi w Cecilville (along South Fork of Salmon River) 670 Comment
  CHSC66536  Apocynum androsaemifolium Vernon H. Oswald 1996-7-12 7997 Siskiyou Everitt Memorial Hwy. (A10) E of Mt. Shasta city between mileposts 5 and 6. 1554 Comment
  HSC101465  Apocynum androsaemifolium J. P. Smith, J. O. Sawyer 2011-7-21 13042 Siskiyou Near Dillon Camp 1358 Comment
  JEPS84292  Apocynum androsaemifolium L. R. Heckard with S. D'Alcamo, J. Hickman, and S. Winchester 1986-7-15 6299 Siskiyou Indian Creek Rd. from Takilma to Happy Camp (just s. of state line) Comment
  UC1713779  Apocynum androsaemifolium Dr. E. B. Copeland 1903-7-7 3544 Siskiyou Hornbrook Comment
  CAS-BOT-BC395152  Aquilegia formosa Wm. Bridge Cooke 1938-7-15 11195 Siskiyou Bear Springs, Mount Shasta Comment
  POM366963  Aquilegia formosa var. truncata M. B. Dunkle 1944-7-15 9101 Siskiyou Siskiyou National Forest. Comment
  RSA99546  Aquilegia formosa var. truncata Geo. D. Butler 1908-8-9 352 Siskiyou Mountainside S of Marble Valley. 1829 Comment
  RSA0125742  Arabis breweri Frederick W. Oettinger 1968-9-9 806 Siskiyou Ridge near Tobacco Lake. Salmon Mountains. High Lake Basin in the vicinity of English Peak. Marble Mountain Wilderness Area. 1966 Comment
  HSC22078  Arabis divaricarpa J. O. Sawyer 1969-7-24 1491 Siskiyou NE facing seep SW of Sugar Lake 1890 Comment
  HSC22397  Arabis divaricarpa J. O. Sawyer 1969-7-24 1469 Siskiyou NW facing slope SW of Sugar lake. 1829 Comment
  HSC81529  Arabis divaricarpa Thomas W. Nelson, Jane P. Nelson 1980-7-19 6196 Siskiyou Along USFS Rd. 39N01 A at Fox Creek, 1 mi. from jct. with 39N01 1677 Comment
  HSC62591  Arabis glabra Al Hobart 1967-8-8 Siskiyou Youngs Valley Comment
  HSC76766  Arabis holboellii var. retrofracta K. T. Stillman 1976-8-7 379 Siskiyou Marble Mtn. Wilderness Area, Box Camp Mtn. 2195 Comment
  HSC62265  Arabis holboellii var. retrofracta Al Hobart Siskiyou Youngs Valley Comment
  HSC62266  Arabis holboellii var. retrofracta Stansell 1938-6-18 Siskiyou Youngs Valley Comment
  HSC90630  Arabis koehleri var. stipitata Jennifer Whipple 1976-7-8 1364 Siskiyou Klamath Mtns.: N to NE facing steep granite bluff above Dobkins Lake 2317 Comment
  CAS-BOT-BC16715  Arabis modesta Lincoln Constance; Reed Clark Rollins 1942-5-13 2911 Siskiyou Klamath-Siskiyou Region. Scott River 2 miles northwest of Scott Bar. 487 Comment
  HSC67832  Arabis sparsiflora J. O. Sawyer, J. Cole 1980-7-22 3826 Siskiyou NW slopes of Cedar Mtn. 1524 Comment
  HSC39238  Arabis subpinnatifida J. P. Smith 1976-5-21 8757 Siskiyou Along FS Rd. 40N08, 1 mi. from its junction with Hwy. 3, Klamath National Forest 1646 Comment
  POM94633  Arabis suffrutescens Geo. D. Butler 1909-4-25 610 Siskiyou Quartz Valley. Comment
  HSC3248  Aralia californica C. B. Wolf 1927-8-26 1104 Siskiyou On the Klamath River, 8 mi. above Happy Camp Comment
  RSA138227  Aralia californica P. C. Everett, E. K. Balls 1959-10-24 23942 Siskiyou 6 mi. W from Red Bank F. S. Camp, on road to Somesbar from Sawyers Bar Comment
  CAS-BOT-BC407725  Arceuthobium abietinum F. G. Hawksworth; D. Wiens 1964-7-1 641 Siskiyou on Mt. Shasta Ski Area Road, 5 miles from US 99 (Mt. Shasta) 1524 Comment
  CAS-BOT-BC407794  Arceuthobium campylopodum L. E. Smith 1912-8-1 s.n. Siskiyou near Weed Comment
  SEINET2471245  Arceuthobium cyanocarpum R. L. Mathiasen 2007-9-20 2007 -56 Siskiyou Above Gumboot Lake 1980 Comment
  SEINET2140127  Arceuthobium tsugense subsp. mertensianae R. L. Mathiasen 2007-1 2007 -53 Siskiyou 1 km SE. of trail to Duck Lake on trail to Eaton Lake, Russian Peak Wilderness. 1730 Comment
  HSC58863  Arctostaphylos nevadensis Marvin Butler 1971-7-6 25 Siskiyou Near El Capitan 1524 Comment
  HSC92274  Arctostaphylos nevadensis Jennifer Whipple 1976-6-11 968 Siskiyou Wagon Creek drainage on the E face of Mount Eddy 2195 Comment
  RSA50235  Arctostaphylos nevadensis E. K. Balls 1949-7-9 13944 Siskiyou 10.3 miles from Etna on rd. to Sawyer's Bar. Summit of pass over Salmon Mts. 1479 Comment
  UC1409401  Arctostaphylos nevadensis Frederick W. Oettinger 1968-8-2 366 Siskiyou 0.1 mi s Diamond Lake (high lake basins in vicinity of English Peak); Salmon Mountains, Marble Mountain Wilderness Area, Shasta R 2072 Comment
  UCD59182  Arctostaphylos nevadensis Steve Edwards; Wayne Roderick 1983-7-10 102 Siskiyou On Cook and Green Pass east of the pass. 1524 Comment
  CAS-BOT-BC46440  Arctostaphylos patula C. Hart Merriam 1907-9-26 s.n. Siskiyou Klamath Canyon. Between Keno and Shovel Cr. Calif - Oregon boundary. Comment
  CAS-BOT-BC46460  Arctostaphylos patula G. D. Hanna; M. M. Hanna 1956-6-6 1000 Siskiyou Glass Mt. 2316 Comment
  CAS-BOT-BC46494  Arctostaphylos patula John Thomas Howell 1937-7-23 13370 Siskiyou South Fork of the Salmon River near Big Flat. 1524 Comment
  CAS-BOT-BC46508  Arctostaphylos patula D. E. Breedlove 1962-6-11 3364 Siskiyou Along State Highway 89, 8.0 mi. e. of McCloud; Cascade Range. 1127 Comment
  HSC63077  Arctostaphylos patula David Wheeler 1979-4-7 22 Siskiyou Comment
  HSC68377  Arctostaphylos patula Maralyn A. Renner 1980-6-26 1211 Siskiyou N edge of Flint Valley 1390 Comment
  JEPS38800  Arctostaphylos patula Willis L. Jepson July 24 1894-August 10, 1894 14719 Siskiyou near Sisson; Region of the Upper Sacramento, Upton Comment
  POM77308  Arctostaphylos patula Geo D. Butler 1909-4-11 657 Siskiyou Weed. Comment
  SEINET8754043 Image available Arctostaphylos patula Richard R. Halse 2015-1 9325 Siskiyou Southern part of city, west side of Interstate Hwy. 5, off of Mountain View Drive. 1083 Comment
  UC1483494  Arctostaphylos patula J. Sawyer and J. Cole 1980-7-21 3906 Siskiyou near Haight Mtn. (along F.S. rd running ssw); Klamath National Forest, Bray Quad. 1938 Comment
  UC1540018  Arctostaphylos patula Roseberry 1936-5-11 14 Siskiyou n side Hippo Butte; Lava Beds National Monument 1630 Comment
  UC21880  Arctostaphylos patula Harley P. Chandler June, 1901 1600 Siskiyou near Marble Mountain; North Coast Ranges 2286 Comment
  SEINET5460632 Image available Arctostaphylos patula Ross C. Clark, Bob Harvey; Chris Harvey 23912 Siskiyou Town of Mt. Shasta Comment
  CAS-BOT-BC46957  Arctostaphylos viscida subsp. viscida Doris K. Kildale 1929-5-11 7711 Siskiyou Cecilville, upper s. Fork of Salmon River. Comment
  CAS-BOT-BC47013  Arctostaphylos viscida subsp. viscida Doris K. Kildale 1929-7-20 8569 Siskiyou S. fork of Indian Creek, near Happy Camp. 457 Comment
  CAS-BOT-BC47016  Arctostaphylos viscida subsp. viscida Doris K. Kildale 1929-5-11 7717 Siskiyou Cecilville, upper s. Fork of Salmon River. Comment
  CAS-BOT-BC47017  Arctostaphylos viscida subsp. viscida E. B. Copeland 1903-7-14 3519 Siskiyou Klamathon. Comment
  JEPS89015  Arctostaphylos viscida subsp. viscida Geo. D. Butler 1909-4-26 693 Siskiyou Oro Fino Comment
  UC1190137  Arctostaphylos viscida subsp. viscida Ira L. Wiggins 1955-7-23 13462 Siskiyou ridge w China Creek (s side of S Fork of Salmon River) 960 Comment
  UC1608344  Arenaria congesta J. Kierstead 1990-7-15 90 -98 Siskiyou 6 mi w Town of Mt. Shasta; Shasta-Trinity National Forests,Mt. Shasta Ranger Dist., Mor 1584 Comment
  UC1409373  Arenaria congesta var. congesta Frederick W. Oettinger 1969-8-4 395 Siskiyou vicinity English Peak (Trail break on Crapo Peak ridge.); Salmon Mountains, Marble Mountains Wilderness Area, The High 2194 Comment
  JEPS84227  Arenaria congesta var. crassula L. R. Heckard with S. D'Alcamo, J. Hickman, and S. Winchester 1986-7-16 6321 Siskiyou ca. 7 mi nne Seiad Valley (w of Cook and Green Pass, ca. 1/2 mi se of Red Butte); w of Cook and Green Pass, nne of Seiad Valley 1750 Comment
  JEPS19744  Arnica chamissonis Rimo Bacigalupi with S. Galen Smith 1957-6-27 5874 Siskiyou Grass Lake, 20 ne of Weed, on route between Weed and Klamath Falls Grass Lake 1544 Comment
  HSC12271  Arnica chamissonis Richard Spjut 1970-7-16 440 Siskiyou ca. 23 miles N of Weed on Hwy. 97, at Grass Lake 1524 Comment
  RSA105330  Arnica cordifolia G. D. Barbe 1955-8-1 328 Siskiyou At the summit of Mt. Bolivar. Scott Mts. 2470 Comment
  HSC22142  Arnica latifolia J. O. Sawyer 1968-6-18 207 Siskiyou Above S Russian Creek, below the Blake's Fork confluence. 1463 Comment
  CAS-BOT-BC90059  Arnica nevadensis Harley P. Chandler 1901-6-1 1615 Siskiyou Ridges and meadows near Marble Mountain 2133 Comment
  HSC62124  Arnica viscosa Al Hobart 1960-9-20 Siskiyou Preston Peak Comment
  CAS-BOT-BC84976  Artemisia arbuscula subsp. arbuscula Louis C. Wheeler 1934-8-26 3226 Siskiyou Trapper Cr. - Klamath National Forest 1981 Comment
  CAS-BOT-BC84977  Artemisia arbuscula subsp. arbuscula Louis C. Wheeler 1934-8-26 3226 Siskiyou Trapper Cr. - Klamath National Forest 1981 Comment
  JEPS36959  Artemisia douglasiana Willis L. Jepson Jul 24 1894-Aug 10 1894 Siskiyou Sisson Upper Sacramento River, southern Siskiyou County Comment
  HSC1955  Artemisia douglasiana Geo. D. Butler 1910-7-29 1798 Siskiyou Yreka Comment
  SEINET6775399 Image available Artemisia douglasiana G. D. Butler 1910-7-29 1798 Siskiyou Yreka Comment
  HSC2271  Artemisia dracunculus Geo. D. Butler 1910-9-16 1878 Siskiyou Comment
  RSA184691  Artemisia ludoviciana subsp. incompta Gilbert Muth 1966-7-31 472 Siskiyou North side of Black mountain, Marble Mountains. 2012 Comment
  CAS-BOT-BC90772  Artemisia ludoviciana subsp. ludoviciana G. J. Muth 1969-8-10 1331 Siskiyou Ridge w. of Boulder Peak 2377 Comment
  HSC18555  Aruncus dioicus var. acuminatus C. B. Wolf 1927-8-27 1139 Siskiyou Mouth of Crawford Creek, Klamath river 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
  UC1409364  Aruncus dioicus var. pubescens Frederick W. Oettinger 1969-8-9 1327 Siskiyou near Five Mile Point (near Herr Creek, vicinity of English Peak, w Siskiyou County); Salmon Mountains, Marble Mountain Wilderness Area 1097 Comment
  RSA15586  Aruncus sylvester Carl B. Wolf 1927-8-27 1139 Siskiyou Mouth of Crawford Creek, Klamath river Comment
  RSA96622  Aruncus sylvester Percy C. Everett, E. K. Balls 1954-10-13 20280 Siskiyou Seiad Creek, road to Kangaroo Mt, 6.5 miles NE from Hwy 96. 701 Comment
  CAS-BOT-BC400589  Asarum caudatum Alice Eastwood 1917-9-2 6679 Siskiyou Shasta Springs Comment
  CAS-BOT-BC400595  Asarum caudatum Milo S. Baker 1926-7-28 -' 26 Siskiyou Bridgeville - Red Bluff Highway, S. Fork Mt. 1066 Comment
  CAS-BOT-BC400707  Asarum hartwegii G. D. Hanna; M. M. Hanna 1956-6-3 s.n. Siskiyou Forest Camp, Hatchet Mt. 39.8 E. of Redding Comment
  HSC89615  Asarum hartwegii Brian Marston, William Kristan, Reid Storre 1988-3-27 105 Siskiyou 5 mi. S of Somes Bar, Oak Bottom Campground, on Hwy. 99 152 Comment
  HSC43267  Asclepias cordifolia K. Irwin 1977-5-22 384 Siskiyou On South Fork Salmon River Rd., 4 mi. E of Cecilville Comment
  SEINET10961631  Asclepias cordifolia George D. Butler 1910-5-23 Butler 1396 Siskiyou Humbug Mountain 1219 Comment
  CAS-BOT-BC69555  Aspidotis densa Louis C. Wheeler 1934-6-28 2814 Siskiyou Little Soda Cr., Klamath Forest. 1432 Comment
  POM261534  Aster eatonii Alice Eastwood 1912-8-28 1954 Siskiyou Cantara 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
  POM58124  Aster torreyi E. B. Copeland 1903-9-8 3869 Siskiyou Foot of Mt. Eddy 122 Comment
  CAS-BOT-BC178801  Astragalus californicus John Thomas Howell; Alice Eastwood 1934-4-20 1743 Siskiyou Near Yreka on Ft. Jones Road Comment
  UC375388  Astragalus californicus Geo. D. Butler 1908-6-29 393 Siskiyou Cherry Creek Comment
  RSA0006721  Astragalus californicus R. C. Barneby 1954-5-16 11510 Siskiyou Klamath River canyon 1-1/2 iles below Klamath River Post Office. 473 Comment
  RSA0006722  Astragalus californicus R. C. Barneby 1954-5-16 11518 Siskiyou Scott Bar. 549 Comment
  CAS-BOT-BC178760  Astragalus canadensis var. brevidens Alice Eastwood; John Thomas Howell 1940-6-14 82 Siskiyou 5 miles W. of Tulelake Comment
  CAS-BOT-BC182966  Astragalus filipes Milo S. Baker 1957-6-16 13150 Siskiyou Trip to Scott Mts. from Turn off near Callahan, area 5-6 mi beyond Turn off Comment
  CDA26673  Astragalus gambelianus G. D. Barbe, J. T. Howell, T. C. Fuller 1980-4-29 2597 Siskiyou Between restaurant and motel properties, Old Highway 99, south edge of Yreka. Comment
  CDA26674  Astragalus gambelianus G. D. Barbe, J. T. Howell, T. C. Fuller 1980-5-2 2776 Siskiyou Yreka. West of Motel 6, south of town, north of Greenhorn Creek Road. Comment
  CAS-BOT-BC186920  Astragalus inversus John Thomas Howell 1934-7-4 12388 Siskiyou Se. corner of Siskiyou Co. Comment
  UCD105232  Astragalus purshii var. lectulus A. H. Murphy 1958-8-6 58 I Siskiyou Red Mt. (Boulder Pk.) Marble Mts., Klamath National Forest. 2529 Comment
  CAS-BOT-BC192980  Astragalus purshii var. tinctus D. M. Traugh 1933-5-22 52 Siskiyou Klamath National Forest. Near Humbug Creek 914 Comment
  POM45521  Astragalus purshii var. tinctus Geo. D. Butler 1909-5-8 708 Siskiyou Near Yreka. Comment
  HSC81526  Astragalus whitneyi var. siskiyouensis Thomas W. Nelson, Jane P. Nelson 1980-7-17 6071 Siskiyou Along FS Rd. 17, 1 mi. N of summit at county line 2073 Comment
  UC1001149  Astragalus whitneyi var. siskiyouensis Dorothy Parker 1952-7-26 12 Siskiyou Cabin Meadow Creek 1981 Comment
  CAS-BOT-BC198701  Astragalus whitneyi var. siskiyouensis W. R. Dudley 1901-8-26 s.n. Siskiyou By trail south Fork Scott Creek - Salmon Mts. Comment
  HSC144  Asyneuma prenanthoides William J. Ferlatte 1966-8-3 267 Siskiyou Along the S Fork of the Salmon River between the campground and Carter's. 1524 Comment
  HSC44583  Asyneuma prenanthoides Laura Witherspoon 1977-8-10 Siskiyou 2 mi. up FS Rd. 12N13 W of Bald Butte 610 Comment
  UCD78115  Athyrium alpestre var. americanum Robert E. Preston 2002-7-14 1935 Siskiyou Klamath National Forest, N slope of Rainbow Mountain 1981 Comment
  POM197146  Athyrium filix-femina subsp. cyclosorum Geo D. Butler 1910-07 1675 Siskiyou Schackleford Creek 1220 Comment
  UCD78116  Athyrium filix-femina var. californicum Robert E. Preston 2001-6-30 1630 Siskiyou Klamath National Forest, north slope of Rainbow Mountain. 1694 Comment
  HSC22158  Athyrium filix-femina var. cyclosorum J. O. Sawyer 1969-7-23 1176 Siskiyou Along road near Horse Range Creek. 1341 Comment
  POM210920  Atriplex subspicata L. C. Wheeler 1934-10-21 331 Siskiyou Shasta Valley 4 mi E Grenada 869 Comment
  JEPS90599  Atriplex truncata Dean W. Taylor 1987-8-9 9294 Siskiyou along Hwy 161 (Oregon border) 8.3 mi w from Highway 139; Lower Klamath National Wildlife Refuge 1249 Comment
  UCD56306  Avena fatua A. A. Beetle; G. L. Stebbins Jr. 1942-5-31 3395 Siskiyou 7 miles N of Weed. 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-BC100057  Balsamorhiza lanata Alice Eastwood; John Thomas Howell 1934-4-20 1754 Siskiyou Near Yreka on Ft. Jones Road Comment
  SFV3761  Balsamorhiza lanata D. Parker 1951-4-19 544 Siskiyou Near Callahan. 945 Comment
  UC1732046  Balsamorhiza lanata Dean Wm. Taylor with Craig Martz, Joe Molter, Barbara Williams, Julie Nelson 1997-5-4 15981 Siskiyou ca. 4 air mi. s.w. Gazelle (hillslopes of Scott Mts. along the Yreka Ditch, bordering Shasta Valley); Klamath Region (KR), China Mt. Quad., Scott Mts. 960 Comment
  UC912516  Balsamorhiza lanata Herbert L. Mason 1929-5-18 5330 Siskiyou Yreka Comment
  POM94780  Barbarea orthoceras Geo. D. Butler 1910-7-7 1659 Siskiyou Shackleford Creek. 1220 Comment
  HSC22118  Berberis aquifolium var. aquifolium J. O. Sawyer 1969-6-11 809 Siskiyou Next to C.C.C. road near the N fork of Horse Range Creek. 1326 Comment
  JEPS108613  Berberis aquifolium var. aquifolium R. Raiche 1986-7-15 60327 Siskiyou Herd peak Road, herd Mt., NE of Weed 1688 Comment
  HSC5004  Berberis nervosa J. O. Sawyer 1968-7-10 505 Siskiyou On Sugar Creek just above confluence with S Sugar Creek 1707 Comment
  CHSC106314  Berula erecta Lowell Ahart; John Dittes 2010-7-30 16934 Siskiyou Along the west edge of the Shasta River, about 30 yards northwest of the East Louie Road Bridge, Shasta Big Springs Ranch, 1.6 miles (air) southwest of Big Springs Lake, 4.6 miles (air) northwest of Dwinnel Dam, 5.7 miles (air) southeast of Grenada. 716 Comment
  CAS-BOT-BC169474  Betula occidentalis A. A. Heller 1918-7-16 13036 Siskiyou Mt. Eddy, W of Sisson, on open southeastern gravelly and stony slope 1524 Comment
  CAS-BOT-BC169492  Betula occidentalis Louis C. Wheeler 1934-6-27 2808 Siskiyou Cottonwood Cr., Klamath National Forest 792 Comment
  LA204109  Betula occidentalis A. A. Heller; 1915-7-18 sn Siskiyou Metcalf's Ranch, NE base of Mt. Eddy in the forest 1188 Comment
  RSA96620  Betula occidentalis P. C. Everett, E. K. Balls 1954-10-13 20281 Siskiyou Seiad Creek, road to Kangaroo Mt, 6.5 miles NE from Hwy 96. 701 Comment
  UC61668  Bidens cernua Geo. B. Grant 1902-9-1 5222 Siskiyou Sisson, Mount Shasta, Pacific Coast Pacific Coast, Mount Shasta, Sisson 914 Comment
  CAS-BOT-BC102124  Bidens cernua A. A. Heller 1914-8-26 11718 Siskiyou Deetz Station near 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
  RSA698467  Blechnum spicant Leo Miller 1938-07 s.n. Siskiyou Siskiyou Mountains 884 Comment
  CAS-BOT-BC127946  Blepharipappus scaber Geo. D. Butler 1909-5-10 697 Siskiyou Yreka Comment
  UC1213857  Blepharipappus scaber Jean Langenheim 1957-5-19 4346 Siskiyou at intersection of Miners Creek road and Tiger Creek road Comment
  SEINET193233  Boechera breweri Lincoln Constance, Reed C. Rollins 1942-5-13 2910 Siskiyou Scott River 2 miles northwest of Scott Bar. 488 Comment
  UC166051  Boechera breweri Geo. D. Butler 1909-5-14 726 Siskiyou Klamath River Comment
  CAS-BOT-BC16019  Boechera breweri subsp. breweri Doris K. Kildale 1929-5-12 7810 Siskiyou Sawyers Bar. North Fork of Salmon River. 609 Comment
  CAS-BOT-BC16022  Boechera breweri subsp. breweri F. D. Douthitt 1926-3-16 52593 Siskiyou Klamath Forest. Klamath River near Horse Creek. 487 Comment
  UC1026164  Boechera divaricarpa Marion Ownbey and Ruth P. Ownbey 1938-7-20 1760 Siskiyou 1 mi e Dry Lake Lookout (summit of the Siskiyou Mountains); Siskiyou Mountains Comment
  CAS-BOT-BC14411  Boechera platysperma R. E. Frenkel 1964-10-2 921 Siskiyou In Panther Meadow Campground near Mount Shasta. 2377 Comment
  CAS-BOT-BC25432  Boechera retrofracta Lincoln Constance; Reed Clark Rollins 1942-5-13 2917 Siskiyou Klamath-Siskiyou Region. Scott River 10 miles southwest of Scott Bar. 609 Comment
  UC1409354  Boechera retrofracta Frederick W. Oettinger 1969-7-10 961 Siskiyou Southwest of Upper English Peak; Salmon Mountains, Marble Mountain Wilderness Area, English Peak. 1920 Comment
  CAS-BOT-BC25611  Boechera retrofracta John Thomas Howell 1937-7-26 13569 Siskiyou Salmon River Gulch. Between Big Flat and Caribou Gulch. Comment
  SEINET12004229  Boechera retrofracta Unknown 1936-1 13433 Siskiyou Weed Comment
  UCD114490  Boechera suffrutescens Robert E. Preston 1984-7-25 493 Siskiyou Arnica Sink. 2044 Comment
  RSA0028753  Boisduvalia densiflora var. densiflora Geo. D. Butler 1910-6-29 1614 Siskiyou Yreka Creek Comment
  UC1159804  Bolboschoenus maritimus Edward J. O'Neill Sep 1965 Siskiyou Tulelake Fish and Game Preserve Comment
  CHSC30252  Boschniakia strobilacea M. S. Taylor; B. Williams 1980-6-23 2944 Siskiyou N side in the forest of Cedar Lake, ca. 11 mi sw of Mt. Shasta City. 1737 Comment
  UC1618150  Botrychium multifidum J. C. Game 1996-6-23 96 /44 Siskiyou ca. 8 mi s Etna (just w of Forest Service Rd 41N14(High CCC Rd.), less than 2 mi nw of its junction with Tiger Creek Rd.); Etna Quadrangle 1280 Comment
  UC894190  Brickellia greenei Alice Eastwood 1912-8-30 2093 Siskiyou Deer Creek Mount Eddy, Deer Creek Comment
  UC894192  Brickellia greenei Alice Eastwood 1912-8-28 1956 Siskiyou Cantara Comment
  SEINET10570598  Brodiaea capitata George D. Butler 1910-4-17 Butler 1192 Siskiyou Dry hills near Yreka Comment
  CAS-BOT-BC484383  Brodiaea elegans subsp. elegans Ira L. Wiggins 1955-7-25 13509 Siskiyou Mountain View Ranch 960 Comment
  RSA602812  Bromus carinatus L. C. Wheeler 1935-6-4 3548 Siskiyou Etna, Scott Valley 899 Comment
  CHSC61558  Bromus carinatus var. carinatus L. P. Janeway 1983-8-26 604 Siskiyou Siskiyou Mountains; at Poker Flat. Along the road on the north side of the meadow. 1524 Comment
  JEPS72945  Bromus carinatus var. carinatus W. L. Jepson 1940-6-23 20017 Siskiyou 1 mi s of Andesite Station (n of Mount Shasta) 975 Comment
  UC1130981  Bromus carinatus var. carinatus H. S. Yates 1936-6-21 5832 Siskiyou 1 mi w of Signal Butte 1341 Comment
  CAS-BOT-BC148797  Bromus carinatus var. marginatus Alice Eastwood 1921-7-28 10933 Siskiyou Medicine Lake. Comment
  UCD59192  Bromus carinatus var. marginatus Geo. D. Butler 1909-6-25 843 Siskiyou Near Yreka. Comment
  UCSB63786  Bromus japonicus Oswald, Vernon; Ahart, Lowell 1998-7-21 Siskiyou Hwy 97 between Weed and Macdoel at W end of Grass Lake (T44N R3W NE1/4 Sect 28) 1524 Comment
  CAS-BOT-BC162472  Bromus laevipes L. R. Short 1933-5-31 79 Siskiyou Klamath Forest. Cougar Gulch. 914 Comment
  POM115034  Bromus marginatus Geo D. Butler 1910-7-3 1622 Siskiyou Goose nest foothills 1220 Comment
  CAS-BOT-BC162132  Bromus orcuttianus W. R. Dudley 1899-8-15 s.n. Siskiyou Toward Black Fox. Comment
  HSC41384  Bromus suksdorfii J. O. Sawyer 1970-7-4 2319 Siskiyou S of Cedar Flat Cabin 1494 Comment
  CAS-BOT-BC185591  Bromus tectorum Doris K. Kildale 1928-7-25 5905 Siskiyou Klamath River. Mack's Creek near Hamburg. Comment
  CAS-BOT-BC185600  Bromus tectorum A. A. Heller 1916-6-20 12405 Siskiyou Metcalf's Ranch, northeast base of Mount Eddy. 1188 Comment
  POM363991  Bromus tectorum M. B. Dunkle 1945-7-19 9232 Siskiyou Klamath National Forest; Marble Mts. Comment
  UC1579533  Bromus tectorum Mitchell 1936-5-14 21 Siskiyou Lava Beds National Monument, Canby Cross Canby Cross; Lava Beds National Monument, Canby Cross 1249 Comment
  UC164920  Bromus tectorum George D. Butler 1909-8-16 860 Siskiyou near Yreka Comment
  HSC31125  Bromus vulgaris J. O. Sawyer 1971-8-19 2456 Siskiyou 2012 Comment
  JEPS20950  Cacaliopsis nardosmia Geo. D. Butler 1909-5-30 760 Siskiyou Humbug Mountain Comment
  CAS-BOT-BC185462  Calamagrostis canadensis Doris K. Kildale 1929-12-24 9100 Siskiyou Preston Peak. Rattlesnake Meadow. 1676 Comment
  RSA239016  Calamagrostis canadensis Frederick W. Oettinger, Robert F. Thorne 1969-8-7 1272 Siskiyou Lake Shore SE side English Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1753 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
  RSA239131  Calamagrostis koelerioides Frederick W. Oettinger, Robert F. Thorne 1969-8-4 1162 Siskiyou above Halfway Spring on 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
  RSA239133  Calamagrostis koelerioides Frederick W. Oettinger 1968-9-7 771 Siskiyou On ridge above Tobacco Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2012 Comment
  UC816584  Calamagrostis koelerioides A. A. Heller 1915-8-26 12243 Siskiyou Mt. Eddy; n side Comment
  CAS-BOT-BC185090  Calamagrostis purpurascens H. R. Saxton; R. N. Canfield 1922-8-21 33 Siskiyou Klamath Forest. Parker Flat. Comment
  CAS-BOT-BC80330  Callitropsis Oliver V. Matthews 1939-6-7 12 Siskiyou above Frog Lake, N. W. Siskiyou Co. 152 Comment
  HSC32290  Callitropsis nootkatensis J. O. Sawyer 1971-6-29 2392 Siskiyou Elk Hole 1524 Comment
  HSC65345  Callitropsis nootkatensis Rich White 1978-7-18 257 Siskiyou Steep headwall at shoulder of NW ridge of Preston Peak 1905 Comment
  JEPS50835  Calochortus elegans Theodore Niehaus 1967-7-2 768 Siskiyou Paradise Lake Marble Mountain Wilderness Area Comment
  CAS-BOT-BC488613  Calochortus elegans var. nanus Wm. Bridge Cooke 1938-7-1 11154 Siskiyou Above Bear Spring. (Transition); Mount Shasta 1600 Comment
  RSA52433  Calochortus macrocarpus Dorothy Parker 1948-7-26 158 Siskiyou Cal-Ore, near Calif.-Ore. border 1220 Comment
  CAS-BOT-BC493098  Calochortus nudus J. Aug. Kusche 1914-6-1 s.n. Siskiyou Mt. Shasta 1828 Comment
  UC423005  Calochortus nudus Annie M. Alexander and Louise Kellogg 1911-7-16 249 Siskiyou South Fork Salmon River 1524 Comment
  SEINET8253677  Calochortus persistens Frank Callahan, John Erwin 2007-6-17 Siskiyou Cottonwood Peak northeast flank. Comment
  HSC64343  Caltha leptosepala J. P. Smith, Steve Selva 1970-7-17 4456 Siskiyou Below Kangaroo Lake. 1890 Comment
  CAS-BOT-BC273389  Calycadenia fremontii David D. Keck 1938-8-7 4851 Siskiyou Schoolhouse Hill, 5.5 m. NE of Callahan, on road to Gazelle 1100 Comment
  UC1876208  Calycadenia fremontii Gerald D. Carr 1974-9-12 783 Siskiyou 0.4 mi E of Somesbar on Etna-Somesbar Rd. Comment
  JEPS30009  Calycadenia truncata Geo. D. Butler 1908-8-2 343 Siskiyou roadside near, Greenview; Scott Valley Comment
  CAS-BOT-BC94470  Calyptridium umbellatum R. C. Wenk 2005-7-19 335 Siskiyou Along Pacific Crest Trail, near top of pass below Mt. Eddy 2438 Comment
  UC454262  Calyptridium umbellatum I. J. Condit 1909-8-23 Siskiyou Castle Lake near Sisson; Castle Lake Comment
  UC1408825  Calyptridium umbellatum Frederick W. Oettinger 1968-8-19 Siskiyou s-facing slope of Crapo Peak Meadow (High Lake Basins in vicinity of English Peak, Marble Mountain Wilderness Area); Salmon Mountains, Marble Mountain Wilderness Area 2133 Comment
  HSC27482  Calystegia malacophylla J. P. Smith, J. O. Sawyer 1972-5-28 5370 Siskiyou 1.2 mi. E. of Jackson Creek on Callahan-Cecilville Rd., Klamath National Forest 1341 Comment
  CAS-BOT-BC221254  Calystegia malacophylla subsp. malacophylla A. A. Heller 1916-7-20 12471 Siskiyou Near Wagon Creek Falls, east side of Mt. Eddy 1524 Comment
  SBBG25944  Calystegia malacophylla subsp. malacophylla D. Myrick 1966-8-9 1542 Siskiyou Gates Ranch, Mountain Meadow Ranch, Big Flat; Trinity Alps 1524 Comment
  UCR21091  Camassia leichtlinii subsp. suksdorfii T. W. Fisher, Earl Oatman, R. E. Orth 1974-6-26 s.n. Siskiyou McIntosh Ranch on the McCloud River near Bartle 1220 Comment
  UC640525  Camassia quamash subsp. breviflora Frank W. Gould 1940-5-15 1224 Siskiyou Goosenest Mountain, Bull Meadows Bull Meadows; Goosenest Mountain, Bull Meadows 152 Comment
  CHSC78257  Camissonia contorta Vernon H. Oswald 2000-6-5 9926 Siskiyou Butte Valley National Grassland between Macdoel and Dorris, on the north side of Meiss Lake-Sams Neck Road 0.6 mi west of Hwy. 97. 1295 Comment
  CAS-BOT-BC160902  Camissonia tanacetifolia subsp. tanacetifolia D. Bates 1960-6-13 2436 Siskiyou Route 97 at Grass Lake Comment
  SEINET10463088  Campanula prenanthoides Hutchinson 1932-7-10 HUTCHINSON 4455 Siskiyou On the edge of boggy ground at Castle Lake 1372 Comment
  SEINET10463160  Campanula prenanthoides Rixford RIXFORD s.n. Siskiyou South side of Shaft-rock Comment
  POM59331  Campanula rotundifolia E. B. Copeland 1903-9-7 3852 Siskiyou Mt. Eddy. 2744 Comment
  POM148010  Campanula rotundifolia J. B. Feudge 1927-7-22 1776 Siskiyou Trail to Mt. Shasta City to Mt. Eddy. Comment
  CAS-BOT-BC266451  Campanula scabrella Alice Eastwood 1912-8-30 2010 Siskiyou Mount Eddy Comment
  SEINET10463384  Campanula scabrella England 1939-7-16 ENGLAND s.n. Siskiyou Mount Eddy timberline 2134 Comment
  SEINET10463787  Campanula scouleri Clifton 1975-7-29 CLIFTON s.n. Siskiyou Near Copper Butte; Seiad Valley quadrangle near Seiad Valley 1414 Comment
  SEINET10463468  Campanula scouleri John G. Lemmon Lemmon s.n. Siskiyou SISSON, NR. MT. SHASTA Comment
  SEINET10463762  Campanula scouleri Ownbey 1940-7-8 OWNBEY 2226 Siskiyou Near summit of Siskiyou Mountains, 18 miles north of Happy Camp Comment
  CAS-BOT-BC266465  Campanula wilkinsiana A. A. Heller 1920-8-12 13518 Siskiyou About the spring above Horse Camp, Mount Shasta Comment
  SEINET10463889  Campanula wilkinsiana Ferlatte 1966-8-19 FERLATTE 446 Siskiyou KIDD CREEK TRAIL, STREAM BANK DENSELY WOODED CANYON. T37N R9W SEC.32 1676 Comment
  CAS-BOT-BC37233  Cardamine bellidifolia Reed Rollins 1938-7-21 11306 Siskiyou Mount Shasta. Between Horse Camp and Panther Creek Comment
  JEPS82692  Cardamine californica var. integrifolia Wayne Roderick 1984-6-5 Siskiyou ca 12 air km sw Mt. Shasta city (above Castle Lake); sw of Mt. Shasta city, above Castle Lake 1905 Comment
  UC52222  Cardaria draba W. T. Mooney 1903-5-1 Siskiyou Yreka Comment
  CAS-BOT-BC18394  Carex Doris K. Kildale 1928-8-19 6517 Siskiyou English Lake, head of North Fork of Salmon River. Comment
  CAS-BOT-BC539693  Carex John Thomas Howell 1937-7-22 13322 Siskiyou South Fork of Salmon River near Big Flat 1524 Comment
  RSA237241  Carex abrupta Frederick W. Oettinger 1969-8-22 1505 Siskiyou Sandy bed of dry inlet into Horse Range Lake. Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1982 Comment
  RSA237310  Carex abrupta Frederick W. Oettinger 1968-9-5 727 Siskiyou Stream near campsite, SE side of Hancock Lake. Salmon Mtns. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1890 Comment
  RSA237333  Carex abrupta Frederick W. Oettinger, Robert F. Thorne 1969-8-6 1249 Siskiyou Pine Lake Meadow. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1829 Comment
  CAS-BOT-BC17893  Carex angustata William Conklin Cusick 1902-8-14 2991 Siskiyou Summit of the Cascades. Comment
  RSA119350  Carex aquatilis S. S. Tillett 1956-7-9 639 Siskiyou E of Scott Mountain, ca. 8 mi. SE of Callahan. Trinity-Siskiyou Cos line. 1829 Comment
  HSC76314  Carex aquatilis L. P. Janeway 1982-8-22 178 Siskiyou Near the old jeep road between Poker Flat and Kelly Lake 1555 Comment
  SEINET13329598  Carex aurea D. W. Taylor 2002-6-10 18126 Siskiyou Scott Mountain, bog along unnamed creek between Grouse Creek and Little Carmen Creek along Forest Road 40N08 1189 Comment
  UCD77462  Carex aurea Robert E. Preston 2002-7-12 1915 Siskiyou Klamath National Forest, S slope of Rainbow Mountain 1968 Comment
  SEINET7552954 Image available Carex breweri Robert F. Thorne, Fred Oettinger 1969-8-10 38982 Siskiyou Mt. Shasta National Forest; S slope of Mt. Shasta. 2377 Comment
  CAS-BOT-BC34883  Carex deflexa var. boottii John Thomas Howell 1937-7-25 13486 Siskiyou Caribou Basin, Salmon-Trinity Alps. 2286 Comment
  RSA237231  Carex deflexa var. boottii Frederick W. Oettinger, Robert F. Thorne 1969-8-5 1217 Siskiyou Near Crapo Peak at Crapo View Gap. Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. Comment
  HSC38961  Carex fracta J. O. Sawyer 1969-8-1 1618 Siskiyou On trail to Eaton Lakes. 1799 Comment
  UC618860  Carex fracta W. Bridge Cooke 1938-6-24 11085 Siskiyou McBride Springs Mount Shasta 1524 Comment
  JEPS125858  Carex geyeri Dean W. Taylor 1996-6-28 15749 Siskiyou Antelope Mountain, about 8 air miles S of Yreka Comment
  JEPS105060  Carex gigas Dean W. Taylor 1996-7-11 15777 Siskiyou Scott Mountains; West Park Lakes (about 15 air miles west of Weed); Shasta-Trinity National Forest 2194 Comment
  HSC68516  Carex hassei Maralyn A. Renner 1980-6-26 1172 Siskiyou Flint Valley. 1390 Comment
  JEPS121602  Carex hassei Danielle Roach 2011-9-15 Siskiyou Tamarack Flat, north of Mt. Eddy. Flat meadow on ultramafic soil. South China Mountain quadrangle. TF1_B Comment
  JEPS109847  Carex inops subsp. inops Dean W. Taylor 2004-7-20 19194 Siskiyou Mt. Shasta, slopes ca. 0.3 air mile E of Mud Creek dam. 1524 Comment
  UC1265342  Carex integra Frederick W. Oettinger 1969-8-15 1384 Siskiyou near Upper English Lake; Salmon Mountains, Marble Mountain Wilderness Area 1676 Comment
  SEINET7562450 Image available Carex integra John Thomas Howell 1939-8-7 15121 Siskiyou Sky High Valley, Marble Mts. 1829 Comment
  UCR66602  Carex kelloggii J. T. Howell 1939-8-3 14960 Siskiyou Marble Mountains, Spirit Lake. 1829 Comment
  CHSC40191  Carex laeviculmis L. P. Janeway 1983-8-13 528 Siskiyou On s side and above S Fk Indian Cr. 1432 Comment
  SEINET10713534  Carex lenticularis var. impressa Annetta M. Carter 1939-8-20 Carter 1461 Siskiyou Forming dense clumps; moist sandy lakeshore, Canadian Zone; northwest side of Taylor Lake, 12 miles southwest of Etna, Salmon Mountains. 2027 Comment
  CAS-BOT-BC31435  Carex leporinella Louis C. Wheeler 1934-8-9 3087 Siskiyou Jaynes Canyon. 1981 Comment
  RSA13905  Carex leporinella L. C. Wheeler 1934-8-9 3087 Siskiyou Siskiyou Mountains: Head of Jaynes Canyon. 1981 Comment
  CHSC96602  Carex luzulina L. P. Janeway 2006-7-2 8733 Siskiyou Klamath Ranges. Salmon Mountains; near minor drainage to South Fork Scott River from the west, 1.6 km north of Carter Meadows Summit. 1728 Comment
  HSC103368  Carex luzulina Thomas W. Nelson, Jane Nelson 1984-7-28 7707 Siskiyou Along west side of Gumboot Lake 1860 Comment
  CAS-BOT-BC31602  Carex luzulina var. ablata Wayne E. Rolle 1993-7-10 630 Siskiyou Poker Flat. 1524 Comment
  SEINET7566776 Image available Carex mariposana Frederick W. Oettinger 1968-9-6 735 Siskiyou High Lake Basin in the vicinity of English Peak, Marble Mountains Wilderness Area. On trail NE of Tom's Lake. 2164 Comment
  CHSC40172  Carex mendocinensis Lawrence Janeway 1982-6-22 19 Siskiyou Ca. 400 m ne of West Branch Guard Sta along the road into Indian Cr and near small creek crossing. 670 Comment
  CAS-BOT-BC32014  Carex multicaulis R. E. Frenkel 1964-7-14 696 Siskiyou On Everitt Memorial Hwy near Mt. Shasta, 4.7 mi N of McCloud River RR crossing. 1545 Comment
  RSA610010  Carex multicaulis L. C. Wheeler 1935-6-9 3558 Siskiyou Yreka Creek, Siskiyou Mountains. 1220 Comment
  SEINET7568467 Image available Carex multicaulis David Castaner 1989-6-19 10243 Siskiyou Trinity Creek campground, along Highway 3 by Trinity River, North Trinity Center. Comment
  CHSC40193  Carex multicostata L. P. Janeway 1983-9-22 689 Siskiyou On ridge nw of Poker Flat (the Siskiyou crest). 1584 Comment
  HSC76654  Carex multicostata K. T. Stillman 1976-7-23 297 Siskiyou Marble Mtn. Wilderness Area 2012 Comment
  JEPS101086  Carex nervina Dean W. Taylor 1987-8-5 9222 Siskiyou Tate Creek, at crossing of Forest Road 36N06 1484 Comment
  CHSC40161  Carex nudata L. P. Janeway 1983-7-23 444 Siskiyou Along southwest side of Klamath River, 2.8 miles east on China Creek Road (just west of Woods Bar). 320 Comment
  UC143741  Carex nudata Copeland 1903-7-4 3541 Siskiyou Klamathon Pacific Coast Comment
  SEINET7569410 Image available Carex nudata David Castaner 1989-6-19 10239 Siskiyou Along Highway 3, between Callahan and Gazelle. Comment
  CHSC43907  Carex pellita L. P. Janeway 1984-6-21 855 Siskiyou South shore of Klamath River, near hwy 96 milepost 68.00 and 1.0 mi W of Hamburg and Mill Cr. 457 Comment
  CAS-BOT-BC118928  Carex pellita David Daniels Keck 1949-7-20 6366 Siskiyou Meadow's drainage channel below the Darlingtonia swamp, Scott Mt, summit 5360' Comment
  CAS-BOT-BC118775  Carex preslii John Thomas Howell 1937-7-26 13532 Siskiyou Caribou Basin, Salmon-Trinity Alps 2286 Comment
  CHSC86630  Carex preslii Jenny Marr 1993-7-1 13 Siskiyou Butte Valley Wildlife Area, +/- 7 air miles NW of the town of MacDoel. Meadow NW of Meiss Lake. 1349 Comment
  SEINET7573860 Image available Carex rossii Barbara L. Wilson 1996-6-22 8165 Siskiyou Shasta-Trinity National Forest, Castle Lake Campground near Castle Lake. 1524 Comment
  CAS-BOT-BC117908  Carex scabriuscula Peter H. Raven 1956-9-4 10382 Siskiyou Ridge S of Mt. Eddy 2286 Comment
  HSC71108  Carex scabriuscula Thomas W. Nelson, Jane P. Nelson, J. P. Smith 1978-7-24 4500 Siskiyou Along W side of Hwy. 3 just N of Scott Mtn. Summit 1616 Comment
  HSC91238  Carex scabriuscula Jennifer Whipple 1976-6-19 1050 Siskiyou Near Durney Lake 2073 Comment
  HSC91264  Carex scopulorum Jennifer Whipple 1977-8-6 2213 Siskiyou Mt. Eddy, SW of Dobkins Lake along drainage into the lake 2195 Comment
  CAS-BOT-BC118225  Carex scopulorum var. bracteosa Doris K. Kildale 1929-8-25 9111 Siskiyou Rattlesnake Meadow, trail to Preston Peak 1676 Comment
  CDA33144  Carex senta G. D. Barbe, J. T. Howell, T. C. Fuller 1980-4-29 2636 Siskiyou Between highway and East Fork of Scott River, ca. 500 ft east of Highway 3 bridge, 2 miles east of Callahan. Comment
  CAS-BOT-BC117690  Carex simulata W. R. Dudley 1893-6-21 s.n. Siskiyou In Peter Klink's Meadow, Sisson Comment
  RSA238924  Carex spectabilis Frederick W. Oettinger 1968-9-9 796 Siskiyou Above pond north of Tom s Lake. Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2012 Comment
  UC1034048  Carex straminiformis W. Bridge Cooke 1941-9-10 16309 Siskiyou vicinity Horse Camp; Mt. Shasta Comment
  CAS-BOT-BC115859  Carex subfusca Louis C. Wheeler 1934-6-22 2754 Siskiyou Cottonwood Creek. 914 Comment
  UC836151  Carex subfusca Louis C. Wheeler 1934-6-22 2754 Siskiyou Cottonwood Creek Siskiyou Mts. 914 Comment
  HSC30550  Carex vesicaria Frederick W. Oettinger 1969-8-22 1506 Siskiyou Marble Mtn. Wilderness Area, N shoreline of Horse Range Lake 1822 Comment
  UC1540249  Carex whitneyi Dean W. Taylor 1987-6-23 9048 Siskiyou McCloud River drainage 1219 Comment
  CAS-BOT-BC59708  Cassiope mertensiana Gilbert J. Muth 1969-8-10 1351 Siskiyou Buckhorn Lake. 2255 Comment
  HSC30458  Cassiope mertensiana subsp. ciliolata Frederick W. Oettinger 1969-7-28 1083 Siskiyou Marble Mtn. Wilderness Area, High Lake Basins, Little Hancock Lake 2043 Comment
  SEINET10736305 Image available Cassiope mertensiana subsp. ciliolata Edwin B. Copel 1903-8-18 Copeland 3898 Siskiyou Mt. Eddy. 2591 Comment
  UC722137  Castilleja C. L. Hitchcock and J. S. Martin 1939-7-6 5229 Siskiyou on Takilma to Happy Camp road (peak above and n of Divide of Siskiyou Mountains); Siskiyou Mountains 1828 Comment
  HSC19018  Castilleja applegatei J. O. Sawyer 1969-7-1 960 Siskiyou Ridge above Paynes Lake Creek 1433 Comment
  CAS-BOT-BC241137  Castilleja applegatei subsp. pinetorum John Thomas Howell 1937-7-24 13375 Siskiyou Caribou Basin, Salmon-Trinity Alps 2286 Comment
  HSC72576  Castilleja applegatei subsp. pinetorum J. P. Smith 1976-5-5 8702 Siskiyou Road between Forks of Salmon and Somes Bar. 366 Comment
  JEPS16795  Castilleja applegatei subsp. pinetorum Rimo Bacigalupi with G. Thomas Robbins and C. Leroy Custer 1954-8-13 4796 Siskiyou 2.5 mi s and above Callahan to Carrville road junction with Gazelle road (lower part of grade over Scott Mtn. (road from Callahan to Carrville)); Scott Mtn. 1371 Comment
  LA209207  Castilleja applegatei subsp. pinetorum Alice Eastwood; 1939-7-14 13690 Siskiyou Mount Shasta, along the Sisson Southern Trail 1523 Comment
  RSA425925  Castilleja applegatei subsp. pinetorum Christopher Davidson s.n. Siskiyou 1.1 mi from gate on special service rd branching SE of rd from Gazelle to Callahan, ca. 9.3 m W of Gazelle. Klamath Nat. For. 1502 Comment
  RSA488701  Castilleja applegatei subsp. pinetorum James L. Reveal, Mark L. Reveal 1975-8-15 3951 Siskiyou Siskiyou Mountains, Klamath National Forest, along the Dry Lake Lookout Road (Forest Service Road 40S01), 0.3 mile east of 47N30Y and 1.2 miles west of the Cleghorn Meadow Road. Comment
  UC1034030  Castilleja applegatei subsp. pinetorum Francis W. Pennell Jul 18 1940-Jul 19 1940 26185 Siskiyou 2-3 mi n Mount Shasta City (Route 99) 1158 Comment
  UC642564  Castilleja applegatei subsp. pinetorum Alice Eastwood 1939-7-14 13693 Siskiyou Sisson Southern Trail; Mount Shasta Comment
  HSC602  Castilleja arachnoidea William J. Ferlatte 1967-7-26 749 Siskiyou Caribou Basin, ridge W of Big Caribou Lake. 2134 Comment
  HSC59897  Castilleja arachnoidea D. L. Goforth 1979-7-19 253 Siskiyou Trinity Alps Wild Area, Caribou Lakes Basin 2134 Comment
  RSA142620  Castilleja arachnoidea subsp. schizotricha Philip A. Munz 1960-8-22 24190 Siskiyou Panther Meadows, Mount Shasta 2530 Comment
  CAS-BOT-BC32639  Castilleja excelsa John Thomas Howell 1939-8-4 15058 Siskiyou Near Spirit Lake, Marble Mts. 1828 Comment
  CDA18397  Castilleja lacera G. D. Barbe, J. T. Howell, T. C. Fuller 1980-5-21 2784 Siskiyou Klamath Ranges; Yreka, behind (west of ) Motel 6, southside of town, north of Greenhorn Creek Road. 2194 Comment
  CAS-BOT-BC253621  Castilleja miniata Doris K. Kildale 1929-7-20 8616 Siskiyou Elk Lick, South Fork of Indian Creek 1219 Comment
  CAS-BOT-BC254026  Castilleja miniata Gilbert J. Muth 1969-8-8 1306 Siskiyou Boulder Peak Ridge Gap meadow 2286 Comment
  CAS-BOT-BC254115  Castilleja miniata Alice Eastwood 1912-7-17 s.n. Siskiyou Sisson Comment
  HSC61115  Castilleja miniata Ruby Van Deventer 1955-7-31 Siskiyou FS Rd. 17N04, Doe Flat 1067 Comment
  HSC69304  Castilleja miniata Maralyn A. Renner 1980-7-24 1985 Siskiyou Pacific Crest Trail above Lily Pad Lake. 1799 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
  RSA237565  Castilleja miniata Frederick W. Oettinger 1967-8-12 249 Siskiyou Between Tom Taylor Cabin meadows and the large meadow northwest of English Peak Lookout. The Salmon Mountains. The High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2104 Comment
  RSA43901  Castilleja miniata H. M. Pollard 1947-9-6 s.n. Siskiyou Dillons Mt. Forest Road. Comment
  JEPS90569  Castilleja pilosa Dean Wm. Taylor with Glenn L. Clifton and Rexford E. Palmer 1987-6-6 9011 Siskiyou Egg Lake Upper Modoc Plateau 1298 Comment
  HSC19304  Castilleja pruinosa J. O. Sawyer 1968-6-25 310 Siskiyou NE of N Horse Range Lake 2012 Comment
  HSC45159  Castilleja pruinosa J. O. Sawyer, E. Cope 1977-6-19 2947 Siskiyou Clear Creek Trail between West Fork and Preston Creek 854 Comment
  HSC76765  Castilleja pruinosa K. T. Stillman 1976-9-10 499 Siskiyou Marble Mountain Wilderness Area, across marble on E side of Black Mountain 2104 Comment
  SBBG6821  Castilleja pruinosa H. and M. Dearing 1939-6-19 3679 Siskiyou French Crk Comment
  RSA184820  Castilleja pruinosa Gilbert Muth 1966-7-14 394 -A Siskiyou Marble, south of Marble Valley, Marble Mountains. 1793 Comment
  RSA50157  Castilleja pruinosa E. K. Balls 1949-7-9 13949 Siskiyou Salmon Mtns. top of pass on rd from Etna to Sawyer's Bar. 1479 Comment
  HSC103024  Catalpa bignonioides J. P. Smith 2014-6-6 13882 Siskiyou Along State Route 96, east of its junction with Dutch Creek Road, along bank of the Klamath River 589 Comment
  CAS-BOT-BC47942  Ceanothus O. V. Matthews 1939-7-7 13 Siskiyou From west side of Mohawk Mine-frog Pond Trail 1219 Comment
  CAS-BOT-BC48658  Ceanothus cordulatus John Thomas Howell 1937-7-21 13189 Siskiyou South Fork of Salmon River near Big Flat 1524 Comment
  JEPS42269  Ceanothus cordulatus L. N. Lorenzen 1920-6-9 Siskiyou Sisson 1127 Comment
  CAS-BOT-BC50250  Ceanothus integerrimus Carl B. Wolf 1941-7-26 11079 Siskiyou Sacramento River Canyon, 1 mi. below Dunsmuir 670 Comment
  HSC60307  Ceanothus integerrimus J. P. Smith, Steve Selva 1970-6-14 3891 Siskiyou 1 mi. E of Steinacher Creek Rd. on Rd. to Forks of Salmon Comment
  CDA35592  Ceanothus integerrimus var. macrothyrsus T. C. Fuller 1962-8-3 9516 Siskiyou Siskiyou Mountains; Slope above Salt Gulch, Horse Creek. 0 Comment
  CAS-BOT-BC53093  Ceanothus prostratus Roxana S. Ferris; Laura Lorraine 1948-6-12 11737 Siskiyou French Creek Logging Road west of Callahan 1219 Comment
  CAS-BOT-BC53096  Ceanothus prostratus Ira L. Wiggins 1950-5-28 12364 Siskiyou Margins of Carmen Lake, about 1.5 miles east of Scott Mountain Road 1737 Comment
  CAS-BOT-BC53097  Ceanothus prostratus Wm. Bridge Cooke 1938-6-17 11015 Siskiyou Mount Shasta - Sisson Southern Trail 1371 Comment
  HSC67830  Ceanothus prostratus J. O. Sawyer, J. Cole 1980-7-22 3974 Siskiyou NW slopes of Cedar Mtn. 1524 Comment
  SBBG4462  Ceanothus prostratus var. prostratus H. and M. Dearing 1939-7-3 3543 Siskiyou near Weed Comment
  JEPS42104  Ceanothus pumilus Geo. D. Butler 1909-4-24 907 Siskiyou Greenhorn Mt. Comment
  JEPS74494  Ceanothus velutinus W. J. Ferlatte 1966-6-23 148 Siskiyou Big Flat Trinity Alps (near a public camp) 1524 Comment
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May 9 2008
  UC144560  Ceanothus velutinus A. A. Heller 1905-6-16 8046 Siskiyou near Sisson; near Sisson Comment
  UCR95633  Ceanothus velutinus L. C. Wheeler 1963-9-3 8339 Siskiyou Siskiyou Mtns. Cyclone Gap chrome mine Comment
  JEPS42299  Ceanothus velutinus var. lorenzenii L. N. Lorenzen 1920-9-19 Siskiyou Sisson Comment
  HSC69115  Ceanothus velutinus var. velutinus Maralyn A. Renner 1980-8-7 2393 Siskiyou Klamath National Forest, NW flank of Preston Peak, near summit 2180 Comment
  UC449590  Ceanothus velutinus var. velutinus Milo S. Baker 1896-1 Siskiyou Stage road between Bartles and Sisson; between Bartles and Sisson Comment
  CDA36863  Centaurea diffusa D. B. Joley 1976-6-24 5 A Siskiyou Lake Siskiyou. 0 Comment
  CDA18843  Centaurea maculosa R. Breckenridge 1999-6-3 PDR 909442 Siskiyou Along I-5 near Simms Road underpass in the vicinity of Dunsmuir. 0 Comment
  JEPS117463  Centaurea solstitialis Lowell Ahart, John Dittes 2010-7-30 16947 Siskiyou About 200 yards northwest of the East Louie Road Bridge, Shasta Big Springs Ranch, 1.6 miles (air) southwest of Big Springs Lake, 4.6 miles (air) northwest of Dwinnel Dam, 5.7 miles (air) southeast of Grenada 716 Comment
  CAS-BOT-BC284487  Centaurea solstitialis W. B. Cooke; V. G. Cooke 1962-8-19 33547 Siskiyou Mt. Shasta 1280 Comment
  UCR47629  Centaurea virgata var. squarrosa Don Pendleton 1986-6-26 s.n. Siskiyou Modoc Plateau 1293 Comment
  POM107576  Cephalanthera austiniae Geo D. Butler 1909-7-15 882 Siskiyou Russian Creek. 1829 Comment
  CAS-BOT-BC384965  Cerastium arvense Gilbert Muth 1966-7-25 450 Siskiyou Marble Mountain Lookout, Marble Mts. 2097 Comment
  CHSC95105  Cerastium arvense L. P. Janeway 2006-7-2 8736 Siskiyou Klamath Ranges. Salmon Mountains; east side of Trail Gulch (Creek) about 100 m south of its mouth at South Fork Salmon River (and Carter Meadow). Edge of large moist meadow. 1585 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
  CDA3359  Cerastium dichotomum J. Di Tomaso 2002-5-17 s.n. Siskiyou 8 miles northeast of Montague. On York Road, 300 m east of intersection with Mulloy Road. 0 Comment
  CAS-BOT-BC384985  Cerastium dichotomum T. C. Fuller 1962-5-18 8746 Siskiyou B. M. Long prop., Little Shasta Rd., 5 mi. e. of Montague Comment
  UCD97996  Cerastium dichotomum M. V. Maxwell 1961-5-10 s.n. Siskiyou 5 miles east of Montague. Comment
  UCD97999  Cerastium dichotomum T. C. Fuller 1962-5-18 8475 Siskiyou B. M. Long prop., Little Shasta Road, 5 miles east of Montague. Comment
  UC15095  Cercis occidentalis Milo S. Baker 1893-6 Siskiyou 6 mi below Bartles; McCloud River Comment
  POM88106  Cercocarpus betuloides Geo. D. Butler 1910-4-16 1179 Siskiyou Klamath hills Comment
  JEPS45542  Cercocarpus betuloides var. betuloides Geo. D. Butler 1909-4-26 672 Siskiyou Oro Fino Comment
  UC165261  Cercocarpus betuloides var. betuloides Geo. D. Butler 1910-4-16 1179 Siskiyou Klamath Hills Comment
  POM88109  Cercocarpus ledifolius Geo. D. Butler 1910-4-10 1166 Siskiyou Yreka. Comment
  UCD113097  Cercocarpus ledifolius Wm. E. Moon 1958-5-29 s.n. Siskiyou 12 miles NE of Weed, State Highway 97. 1219 Comment
  LA47784  Cercocarpus ledifolius W. B. C.; 1940-6-4 15011 Siskiyou Mount Shasta, Shasta Valley near Bolam Comment
  CAS-BOT-BC148520  Cercocarpus ledifolius var. ledifolius Elmer I. Applegate 1935-6-7 9407 Siskiyou Indian Well, Lava Beds National Monument Comment
  HSC18559  Cercocarpus montanus var. glaber C. B. Wolf 1927-8-26 1032 Siskiyou Klamath River, 5 mi. below Hornbrook Comment
  SBBG30610  Chaenactis douglasii D. Myrick 1968-6-22 1995 Siskiyou Lava Beds Nat Monument 1371 Comment
  CAS-BOT-BC276755  Chaenactis douglasii var. douglasii Louis C. Wheeler 1934-6-15 2715 Siskiyou Hungry Creek, Siskiyou Mountains 1280 Comment
  CAS-BOT-BC276771  Chaenactis douglasii var. douglasii L. E. Smith 1915-9-1 s.n. Siskiyou Sisson Comment
  UC1408798  Chaenactis douglasii var. douglasii Robert F. Thorne and Fred Oettinger 1969-8-10 38996 Siskiyou s slope of Mt. Shasta Mt. Shasta National Forest (above ski-lodge) 2377 Comment
  CAS-BOT-BC276761  Chaenactis douglasii var. douglasii Geo. D. Butler 1909-6-12 332 Siskiyou Greenhorn Mountain Comment
  CAS-BOT-BC106036  Chaenactis suffrutescens Brandegee 1889-6-1 s.n. Siskiyou Edgewoods Comment
  HSC101495  Chaenactis suffrutescens J. P. Smith, J. O. Sawyer, R. J. Cole 2010-7-11 12999 Siskiyou Kalmath National Forest. South of the Gazelle-Callahan summit. 1704 Comment
  CAS-BOT-BC141581  Chamaebatiaria millefolium Elmer I. Applegate 1932-6-13 7240 Siskiyou Capt. Jack's Stronghold, Lava Beds National Monument Comment
  SEINET515846  Chamaebatiaria millefolium Vernon Oswald 1997-7-28 8772 Siskiyou Forest Route 49 (Powder Hill Rd.) at 41N03 (to Porcupine Butte), 16 mi. S of Medicine Lake. 1366 Comment
  SEINET10483290  Chamaebatiaria millefolium Mary Susan Taylor 1980-8-19 Taylor 3267 B Siskiyou T43N R1E nw sec 19, Medicine Lake quad. Shasta-Trinity Natl Forest, in pumice/ obsidian outcrops, SE side of Little Glass Mountain. With J. Prouty & E. Heinz. 1951 Comment
  CAS-BOT-BC85662  Chamaecyparis lawsoniana J. G. Lemmon s.n. Siskiyou Sacramento Comment
  HSC69058  Chamaecyparis lawsoniana Maralyn A. Renner 1980-8-6 2319 Siskiyou Cracker Meadow 1555 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
  SEINET7342597 Image available Chamaecyparis nootkatensis Steve Selva, Roger Jensen 1974-1 40 Siskiyou T16N, R5E, Sec 6. Collected in the environs of Devils Punchbowl. Comment
  CHSC66549  Chamaesaracha nana Vernon H. Oswald 1996-7-12 8002 Siskiyou High Cascade Range. Everitt Memorial Hwy. (A10) E of Mt. Shasta city 0.4 mi E of milepost 10. On an open slope below the highway. 2072 Comment
  CDA4788  Chamaesyce maculata L. C. Wheeler 1963-8-23 8266 Siskiyou Klamath River: Walker (near Oak Knoll). . 0 Comment
  JEPS100296  Chamaesyce serpillifolia subsp. serpillifolia Dean W. Taylor 2001-8-28 17904 Siskiyou Mt. Shasta; Ski Park Highway 0.7 miles north from Highway 89 at Snowmans Hill Summit 1417 Comment
  UC1751253  Chamaesyce serpyllifolia Geo. D. Butler 1908-7-16 Siskiyou near Yreka (Klamath River) Comment
  CDA35272  Chamaesyce serpyllifolia T. C. Fuller 1958-6-19 1806 Siskiyou Tom Williams property, 4 miles northeast of Montague. 0 Comment
  CAS-BOT-BC166091  Chamerion angustifolium subsp. circumvagum A. A. Heller 1916-6-23 12434 Siskiyou Near Black Butte north of Sisson 1127 Comment
  HSC22480  Chamerion angustifolium subsp. circumvagum J. O. Sawyer 1969-7-8 1064 Siskiyou WNW facing slope above Little Duck Lake 2073 Comment
  HSC69061  Chamerion angustifolium subsp. circumvagum Maralyn A. Renner 1980-8-6 2323 Siskiyou Cracker Meadow 1555 Comment
  UCD77631  Chamerion angustifolium subsp. circumvagum Robert E. Preston 2002-7-14 1936 Siskiyou Klamath National Forest, N slope of Rainbow Mountain 1877 Comment
  UC1037385  Chamerion angustifolium subsp. circumvagum Douglas Barbe 1955-7-5 104 Siskiyou on Greenview Rd 5 mi n Etna; Klamath Mountains 883 Comment
  CAS-BOT-BC68216  Cheilanthes gracillima Edward Lee 1934-8-14 1108 Siskiyou Little Grayback - Siskiyou-Del Norte County Line. 1868 Comment
  CAS-BOT-BC68218  Cheilanthes gracillima Maxine Wilkes 1940-8-1 s.n. Siskiyou Deep Lake, Marble Mts. Comment
  HSC27789  Cheilanthes gracillima J. P. Smith, J. O. Sawyer 1972-9-13 5784 Siskiyou 0.5 mi. W of Cook and Green Pass on rd. to Lily Pad Lake. Comment
  HSC76974  Cheilanthes gracillima K. T. Stillman 1976-6-25 44 Siskiyou Marble Mtn. Wilderness Area 1829 Comment
  CAS-BOT-BC68213  Cheilanthes gracillima H. M. Hall 1909-7-28 8674 Siskiyou Head of Salmon River 1645 Comment
  CAS-BOT-BC68217  Cheilanthes gracillima Volney Rattan 1884-6-19 s.n. Siskiyou Black Butte Comment
  CAS-BOT-BC68248  Cheilanthes gracillima L. B. Kildale 1930-6-1 9854 Siskiyou Summit between Sawyers Bar & Etna Mill Comment
  RSA577148  Cheilanthes gracillima L. C. Wheeler 1934-8-2 3021 Siskiyou Head Jaynes Canyon, Siskiyou Mountains 2073 Comment
  HSC65133  Chenopodium fremontii J. P. Smith, Steve Selva 1970-6-17 4415 Siskiyou Along Klamath River Comment
  UC851051  Chenopodium pumilio A. A. Heller 1915-8-24 12210 Siskiyou Metcalf's Ranch Mt. Eddy (ne base of mt.) 1188 Comment
  CAS-BOT-BC451443  Chimaphila menziesii J. H. Thomas 1954-5-14 4174 Siskiyou Salmon Mountains, Klamath National Forest. Near South Fork of Salmon River, 5 to 9 miles SE of Cecilville 1219 Comment
  CAS-BOT-BC452268  Chimaphila umbellata Alice Eastwood 1912-7-15 1113 Siskiyou McCloud Comment
  CHSC71575  Chimaphila umbellata Vernon H. Oswald; Lowell Ahart 1998-8-3 9433 Siskiyou Near the Pacific Crest Trail in the Scott Mtns. west of Kangaroo Lake. 1981 Comment
  CAS-BOT-BC452278  Chimaphila umbellata Doris K. Kildale 1929-7-20 8629 Siskiyou Trail up South Fork Indian Creek to Elk Lick elev. 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
  RSA238333  Chimaphila umbellata subsp. occidentalis Frederick W. Oettinger 1968-8-7 440 Siskiyou Just north of Tobacco Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1890 Comment
  CAS-BOT-BC36380  Chrysolepis chrysophylla W. R. Dudley 1907-8-25 s.n. Siskiyou Salmon Mountains Comment
  RSA187519  Chrysolepis chrysophylla H. A. Thomas, J. H. Thomas 1954-7-23 4471 Siskiyou Salmon - Trinity Mts. About 6 miles SE of Cecilville. Vicinity of Blind Horse Creek. 915 Comment
  OBI55439  Chrysolepis chrysophylla var. chrysophylla David J. Keil 1992-7-20 23498 Siskiyou Klamath Natl Forest, SW of Fort Jones. Along forest Road 44N45, 8.1 mi S of Scott River Rd, 2.7 mi S of turnoff to Lover's CAmp Comment
  CAS-BOT-BC100859  Chrysothamnus viscidiflorus subsp. viscidiflorus Ynez Winblad 1936-8-22 s.n. Siskiyou 22 miles se. of Weed 1463 Comment
  UC904775  Chrysothamnus viscidiflorus subsp. viscidiflorus W. Bridge Cooke 1949-8-26 25651 Siskiyou along logging road above Bolam Station; Mount Shasta 1524 Comment
  UC904776  Chrysothamnus viscidiflorus subsp. viscidiflorus W. Bridge Cooke 1949-8-26 25689 Siskiyou opposite Coquette Falls (e bank of Bolam Creek); Mount Shasta, Bolam Creek 2590 Comment
  POM603491  Cichorium intybus L. C. Wheeler 1935-6-27 3614 Siskiyou Greenview, Scott Valley. 884 Comment
  POM82888  Cicuta douglasii Geo. D. Butler 1918-7-15 1788 Siskiyou [Unspecified] Comment
  CAS-BOT-BC190004  Cinna latifolia J. R. Swallen 1940-8-22 15662 Siskiyou Mount Shasta. Near springs in Mud Creek Canyon. 1981 Comment
  HSC19237  Circaea alpina subsp. pacifica J. O. Sawyer 1969-7-11 858 Siskiyou Ravine above C.C.C. road. 1280 Comment
  CDA1026  Cirsium andersonii M. R. Pryor 1950-7-26 s.n-A Siskiyou Hwy 99, 4 mi. N of Gazelle. Comment
  UCR51764  Cirsium andersonii Thomas W. Nelson, J. Nelson, J. P. Smith 1978-7-24 4545 Siskiyou Along State Route 3, just north of Scott Mtn summit. 1585 Comment
  RSA0070600  Cirsium canovirens T. C. Fuller 1979-10-3 20271 Siskiyou Below log-truck loading area, both sides of Goosenest Road, 14 km NE of Tennant. 0.004 ha./0.04 ha. Comment
  CDA1179  Cirsium cymosum B. Villegas 1999-6-8 s.n. Siskiyou Near Weed; Shasta Valley; Slough Rd about 2 miles south of Louie Rd. 0 Comment
  CDA1188  Cirsium cymosum G. D. Barbe, F. D. Horn 1982-7-14 3889 Siskiyou 5 mi. NW of Yreka on Humbug Rd., dry ridge extending NE of Humbug Peak, Klamath National Forest. Comment
  CDA1189  Cirsium cymosum G. D. Barbe, F. D. Horn 1982-7-14 3889 Siskiyou 5 mi. NW of Yreka on Humbug Rd., dry ridge extending NE of Humbug Peak, Klamath National Forest. Comment
  RSA0070596  Cirsium cymosum S. O. Mattoon 1979-5-26 98 Siskiyou Crawford Creek on Eddy Gulch L. O. Road, 2 road miles north of Cecilville, Salmon Mts. 610 Comment
  HSC77095  Cirsium remotifolium K. T. Stillman 1976-7-30 336 Siskiyou Marble Mtn. Wilderness Area, Elk Valley. Comment
  HSC77096  Cirsium remotifolium K. T. Stillman 1976-7-30 336 Siskiyou Marble Mtn. Wilderness Area, Elk Valley. Comment
  HSC26708  Cirsium remotifolium William J. Ferlatte 1971-9-18 1373 Siskiyou Big Flat near public campground 1524 Comment
  UCD130676  Cirsium remotifolium var. odontolepis A. H. Murphy 1956-8-16 56 AA Siskiyou Klamath National Forest, Tangle Blue Lake. 1767 Comment
  OBI54126  Cirsium scariosum var. robustum David J. Keil, Kathleen Keil 1992-7-24 23571 Siskiyou E of McCloud along hwy 89, 7.7 mi W of Shasta county line Comment
  CAS-BOT-BC285893  Cirsium vulgare W. B. Cooke; V. G. Cooke 1962-8-19 33550 Siskiyou Memorial Highway, Mt. Shasta Comment
  CAS-BOT-BC228964  Cistanthe umbellata Wm. Bridge Cooke 1938-8-18 11507 Siskiyou Mount Shasta. Horse Camp slopes Comment
  JEPS43821  Clarkia Geo. D. Butler 1908-7-5 510 Siskiyou near Yreka (Humbug road) Comment
  UCR93364  Clarkia concinna Kathy Harper, Dane Karr 1994-6-14 s.n. Siskiyou Sierra Nevada Mtns., State Hwy 96, south of Happy Camp (at mi. Marker 13.96) 244 Comment
  RSA25612  Clarkia gracilis subsp. gracilis Carl B. Wolf 1941-7-26 11077 Siskiyou SW end Little Shasta Valley, 12 mi NE of Weed on US Hwy 97 at jct with rd to Montague. 915 Comment
  RSA47808  Clarkia gracilis subsp. gracilis Roxana S. Ferris, Laura Lorraine 1948-6-12 11711 Siskiyou Schoolhouse Hill, Plowman s Valley (Noyes Valley), east fork of Scott River. Comment
  SBBG4974  Clarkia lassenensis H. and M. Dearing 1939-6-3 3633 Siskiyou near Scott Bar Comment
  UC930739  Clarkia purpurea subsp. quadrivulnera Louis C. Wheeler 1935-6-27 3609 Siskiyou Greenview Scott Valley 883 Comment
  RSA448331  Clarkia purpurea subsp. viminea Louis C. Wheeler 1934-6-2 2610 Siskiyou Oak Knoll Ranger Station, Klamath River, Siskiyou Mountains (Mt. Diablo Mer.) 671 Comment
  HSC37545  Claytonia exigua subsp. exigua J. P. Smith 1974-5-27 7608 Siskiyou Along FS Rd. 47N03 1524 Comment
  JEPS43385  Claytonia rubra Geo. D. Butler 1909-3-24 676 Siskiyou Oro Fino Comment
  CAS-BOT-BC443813  Claytonia rubra subsp. rubra L. E. Smith 1913-5-11 259 Siskiyou McCloud Comment
  RSA60492  Claytonia sibirica John H. Thomas 1949-6-16 943 Siskiyou 1/4 mi north of Beaver Creek Public Camp, along Beaver Creek; 5 mi north of junction of Beaver Creek and Klamath River; Klamath National Forest. Comment
  SBBG30594  Claytonia sibirica D. Myrick 1968-6-25 2026 Siskiyou Adams Crk above Mountain Meadow Ranch, Big Flat, Coffee Crk; Trinity Alps 1828 Comment
  CHSC1441  Clematis ligusticifolia 1937-8-1 Siskiyou Mt. Shasta. 1219 Comment
  JEPS80533  Clintonia uniflora Gilbert Muth 1966-7-17 401 Siskiyou Marble Mountain Wilderness Area, Trail to Lookout Marble Mountain Wilderness Area 1805 Comment
  CAS-BOT-BC500954  Clintonia uniflora Edna Kelsey 1961-8-1 s.n. Siskiyou Marble Mountains Comment
  JEPS30108  Collinsia parviflora Al Hobart 1963-5-21 Siskiyou Poker Flat; Siskiyou Mtns; Poker Flat 1536 Comment
  HSC90174  Collinsia parviflora Andrew Enberg, Brad Penkala and Dan Scofield 1990-4-4 33 Siskiyou E side of Hwy. 3, about 8 mi. N of Scott River Ranger Station 1159 Comment
  JEPS5111  Collinsia parviflora unknown Apr 1903 Siskiyou Mt. Mooney , Mt. Mooney (Yreka) Comment
  JEPS84181  Collinsia rattanii L. R. Heckard with S. D'Alcamo, J. Hickman, S. Winchester 1986-7-15 6295 Siskiyou Indian Creek Road from Takilma to Happy Camp (just s of state line) 1420 Comment
  RSA412222  Collinsia rattanii Christopher Davidson 1975-6-5 2694 Siskiyou 0.5 mi ENE on unnamed dirt rd departing to E off Hwy 3 at Scott Mtn summit. 1677 Comment
  HSC25480  Collinsia torreyi J. P. Smith, J. O. Sawyer, Maralyn O'Meara 1972-7-3 5721 Siskiyou E slope of Kangaroo Mtn., above Toehead Lake. 1890 Comment
  RSA237555  Collinsia torreyi var. latifolia Frederick W. Oettinger 1969-7-15 1028 Siskiyou South of Tom Taylor Cabin. The Salmon Mountains. The High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2027 Comment
  UC637122  Collomia grandiflora Edward Lee 1934-8-14 1110 Siskiyou w-facing rocky slope below summit (Siskiyou-Del Norte County line); Little Grayback 1767 Comment
  UCD118152  Collomia grandiflora Jack Major; M. Fleschner, R. Pemble 1966-9-3 s.n. Siskiyou Canyon Creek, NE of Marble Mountain, Marble Mountains. 1676 Comment
  UCSB24733  Collomia grandiflora Keefe, Joseph 1967-7-10 Siskiyou Indian Creek Road, 8 miles north of Happy Camp; Siskiyou Mts. 487 Comment
  HSC69116  Collomia tinctoria Maralyn A. Renner 1980-8-7 2392 Siskiyou Klamath National Forest, NW flank of Preston Peak, near summit 2180 Comment
  UC639095  Collomia tinctoria W. Bridge Cooke 1939-8-10 13852 Siskiyou on bottom of creek just below opening of canyon; Mount Shasta, Mud Creek 1676 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
  HSC41071  Collomia tinctoria J. O. Sawyer 1969-7-1 993 Siskiyou Above Paynes Lake Creek 1951 Comment
  CAS-BOT-BC180414  Comandra umbellata subsp. californica Antone J. Soares 1922-6-1 s.n. Siskiyou Shasta Springs Comment
  UCR94143  Conium maculatum N. F. McBain, N. A. Alexander, J. A. Alexander 1995-6-30 411 Siskiyou Shasta Valley, near Grenada, on Montague-Grenada Rd. 2 mi. north of US Hwy 97 cutoff. 762 Comment
  HSC19040  Corallorhiza mertensiana J. O. Sawyer 1969-7-18 1387 Siskiyou Near South Russian Creek 1890 Comment
  UC1409486  Corallorhiza mertensiana Frederick W. Oettinger 1968-8-7 431 Siskiyou Hancock Lake Salmon Mountains, Marble Mountain Wilderness Area (woods across meadow from base camp, high lake basins in vicinity of English Peak, w Siskiyou Co.) 1950 Comment
  HSC491  Corallorhiza striata William J. Ferlatte 1967-6-29 580 Siskiyou Big Flat, near public camp 1524 Comment
  UCD123148  Cordylanthus tenuis subsp. pallescens Barbara L. Wilson; Richard E. Brainerd 2010-8-2 16186 Siskiyou road to trailhead for Black Butte trail. 1333 Comment
  CDA36728  Cordylanthus tenuis subsp. tenuis Barbara L. Wilson, Richard E. Brainerd 2010-8-4 16210 Siskiyou Old Stagecoach Road, about 0.5 mile north of Forest Service road 41N26, the Eddy Creek Road, on both sides of the road. Comment
  CHSC105591  Cordylanthus tenuis subsp. tenuis Barbara L. Wilson; Richard E. Brainerd 2010-8-4 16210 Siskiyou Old Stagecoach Road, about 0.5 mile north of Forest Service road 41N26, the Eddy Creek Road, on both sides of the road. Label says +/- 33 feet of Lat. and Long. shown. 995 Comment
  UC964790  Cordylanthus tenuis subsp. viscidus Herbert L. Mason 1950-7-16 14064 Siskiyou 5 mi s summit of road from Happy Camp CA to Waldo OR Comment
  CAS-BOT-BC101078  Coreopsis lanceolata John H. Thomas 1969-9-7 15466 Siskiyou near railroad tracks, McCloud Comment
  CAS-BOT-BC212282  Cornus glabrata W. R. Dudley 1899-8-24 s.n. Siskiyou East Fork of Scott's Creek near Callahan's Comment
  CAS-BOT-BC212068  Cornus nuttallii Geo. D. Butler 1910-4-22 1246 Siskiyou Kidder Creek Comment
  RSA47649  Cornus nuttallii Roxana S. Ferris, Laura Lorraine, R. T. Ferris 1948-6-12 11748 Siskiyou French Creek logging road west of Callahan. 1067 Comment
  UCD117162  Cornus nuttallii Beecher Crampton 1956-8-21 3849 Siskiyou Siskiyou County, canyon of the Sacramento River just above North Fork Junction with the Middle and South Fork. 1066 Comment
  RSA397466  Cornus nuttallii B. C. Templeton 1960-6-21 8540 Siskiyou Scott Mts., ca 1 mile north of Siskiyou-Trinity Co. line. Comment
  CAS-BOT-BC210400  Cornus sericea W. R. Dudley 1899-8-8 s.n. Siskiyou Near Big Spring - Sisson Comment
  CAS-BOT-BC210417  Cornus sericea Lewis S. Rose 1925-7-27 s.n. Siskiyou Shasta Springs Comment
  CAS-BOT-BC210425  Cornus sericea Ira L. Wiggins 1955-7-24 13503 Siskiyou Trail at crossing of China Creek 1301 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
  JEPS80510  Cornus sericea subsp. sericea Gilbert Muth 1966-7-24 444 Siskiyou Marble Mt. Wilderness Area, Marble Valley 1792 Comment
  CDA25818  Crataegus douglasii var. suksdorfii F. D. Horn 1977-7-2 Siskiyou Lighthill Grade Road near Fort Jones. 0 Comment
  RSA47646  Crataegus suksdorfii Roxana S. Ferris, Laura Lorraine 1948-6-12 s.n. Siskiyou E Fork of Scott River drainage, Parker Ranch, Plowman's Valley. 1204 Comment
  CAS-BOT-BC291528  Crepis intermedia Louis C. Wheeler 1934-6-29 2829 Siskiyou Soda Creek, Klamath Forest 1066 Comment
  POM33150  Crepis monticola Geo. D. Butler 1909-5-30 750 Siskiyou Near Yreka. Comment
  CDA4447  Crepis occidentalis J. Grisham 1958-5-14 399 -58 Siskiyou W. H. Gamble property, Yreka. 0 Comment
  JEPS57182  Crepis occidentalis L. R. Heckard 1967-8-13 1693 Siskiyou Mt. Eddy; near summit, s-facing slope 2712 Comment
  HSC78312  Crepis occidentalis subsp. conjuncta L. P. Janeway 1983-8-6 494 Siskiyou Poker Flat. W part of lower portion of meadow. 1529 Comment
  CAS-BOT-BC290840  Crepis occidentalis subsp. pumila L. E. Smith 1915-5-1 s.n. Siskiyou Yreka Comment
  CAS-BOT-BC376576  Crepis pleurocarpa A. A. Heller 1915-7-16 12104 Siskiyou North side of Mt. Eddy 1371 Comment
  HSC46171  Croton setiger Jennifer Whipple 1978-8-22 2447 Siskiyou Weston Gulch in Scott Valley. 854 Comment
  HSC74831  Crypsis schoenoides J. P. Smith, J. O. Sawyer 1978-7-3 10000 Siskiyou Klamath National Forest, Williams Point along the Klamath River, S of Hwy. 96 Comment
  HSC69341  Cryptantha affinis J. O. Sawyer, J. Cole 1980-7-20 3714 Siskiyou Near USFS Rd. 45N05 in center of section 1890 Comment
  HSC74821  Cryptantha affinis J. P. Smith, Jennifer Whipple 1978-7-2 9981 Siskiyou Trail from Cook and Green Pass to Copper Butte. 1768 Comment
  JEPS112999  Cryptantha affinis Dean W. Taylor 1999-6-9 17234 Siskiyou Humbug Gulch, ca. 1 mile WNE of Yreka 899 Comment
  CDA40516  Cryptantha flaccida L. Ahart, John Dittes 2005-6-9 12022 Siskiyou About 350 yards east of where cattle water in the Shasta River, about 3/5 mil (air) south of Highway 99/97 Cutoff, about 2 1/2 miles (air) east-southeast of Grenada. Comment
  UC164153  Cryptantha flaccida Geo. D. Butler 1909-5-10 734 Siskiyou near Yreka Comment
  CAS-BOT-BC278776  Cryptantha subretusa R. C. Wenk 2005-7-19 334 Siskiyou Along Pacific Crest Trail, near top of pass below Mt. Eddy 2438 Comment
  HSC82248  Cryptantha torreyana Thomas W. Nelson, Jane P. Nelson 1980-7-5 5983 Siskiyou Fowler's Campground 1006 Comment
  UC163846  Cryptantha torreyana Geo. D. Butler 1909-5-30 762 Siskiyou near Yreka Comment
  UC61054  Cryptantha torreyana W. A. Setchell, C. C. Dobie 1902-7-13 Siskiyou Sisson Mount Shasta Comment
  RSA237233  Cryptogramma acrostichoides Frederick W. Oettinger 1967-7-8 158 Siskiyou North-facing cliff between Big Blue Lake and Hogan Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2073 Comment
  SD112358  Cryptogramma cascadensis Darley F. Howe 1948-8-14 3401 Siskiyou Mt. Shasta, Shasta National Forest 2440 Comment
  CAS-BOT-BC80561  Cupressus bakeri W. L. Jepson 1914-8-11 5764 Siskiyou Lava [beds] Beds, s.e. Siskiyou Co. 1036 Comment
  RSA17603  Cupressus bakeri C. B. Wolf 1934-10-8 6167 Siskiyou Modoc Lava Beds, 1 mile NE of Timbered Crater on old Stage road from Dana to Little Hot Springs Valley 1220 Comment
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Mar 29 2012
  UC1321452  Cupressus bakeri C. O. Stone 1964-6-6 COS 286 Siskiyou recent lava flow n of Timbered Crater (on old jeep trail to Gassaway Reservoir); Fall River Mills Quad. 1097 Comment
  UC650667  Cupressus bakeri Oliver V. Matthews 1939-7-11 31 Siskiyou Seiad Grove 1432 Comment
  UC1585412  Cupressus bakeri R. Raiche, K. Zadnik, and H. Forbes 1989-10-3 UCBG 38 Siskiyou Seiad Valley Rd. toward Cook & Green Pass, ridge at junction between the West and East slope Comment
  RSA625175  Cuscuta suksdorfii var. subpedicellata L. C. Wheeler 1963-8-25 8269 Siskiyou South side of Preston Peak: Head Rattlesnake Creek. 1829 Comment
  CDA39726  Cycladenia humilis var. humilis J. Massey & B. Ruddiman 1975-7-24 s.n. Siskiyou Near Tulelake 0 Comment
  RSA749208  Cymopterus terebinthinus var. californicus K. M. Meyer, A. Townesmith 2007-8-2 185 Siskiyou Shasta-Trinity National forest. 0.1 mi. on Forest Service Rd. 43N21, 12.5 mi on Hwy. 97, east side of road 1218 Comment
  CDA38229  Cymopterus terebinthinus var. californicus William J. Ferlatte 1988-6-1 s.n. Siskiyou Near Weed; Highway 97 at Big Springs Rd. Comment
  POM215940  Cynoglossum occidentale L. C. Wheeler 1934-6-7 2649 Siskiyou Siskiyou Mountains: Hungry Creek Lookout. 1502 Comment
  UC164154  Cynoglossum occidentale Geo. D. Butler 1910-6-4 1497 Siskiyou Shackelford Creek Comment
  CDA5639  Cynoglossum officinale G. Deal 1967-6-13 Siskiyou 5 miles south of McCloud. 0 Comment
  CDA5638  Cynoglossum officinale T. C. Fuller 1967-8-14 16259 Siskiyou Road to McCloud Reservoir, 3 miles south of McCloud. 0 Comment
  HSC36703  Cynosurus echinatus Brent Whiteley 1975-6-23 39 Siskiyou 223 Comment
  UC184030  Cyperus squarrosus Geo. D. Butler 1910-8-13 1835 Siskiyou Oro Fino Comment
  JEPS52317  Cypripedium fasciculatum Wayne Roderick 1963-6-12 Siskiyou about 15 road mi n Seiad Valley (n slope on ridge to e of pass); Siskiyou Mountains, Cook and Green Pass 1524 Comment
  CAS-BOT-BC136478  Cypripedium montanum E. K. Balls 1949-7-10 13957 Siskiyou Field redacted by CAS, contact the data manager for more information 1219 Comment
  CDA39517  Cypripedium montanum D. Osterhandt 1979-6-1 s.n. Siskiyou Sawyers Bar. 0 Comment
  RSA183739  Cystopteris fragilis Gilbert Muth 1965-8-3 162 Siskiyou Pothole in Marble, Marble Valley, Marble Mountains. Comment
  RSA237511  Cystopteris fragilis Frederick W. Oettinger 1969-7-9 944 Siskiyou Vernally moist dry meadows N.W. of upper English Lake. Salmon Mtns. High Lakes Basin in the vicinity of English Peak. Marble Mountain Wilderness Area. Comment
  CAS-BOT-BC192256  Danthonia californica John Thomas Howell 1939-8-5 15076 Siskiyou Spirit Lake, Marble Mts. 1828 Comment
  CAS-BOT-BC192262  Danthonia californica Geo. D. Butler 1910-7-8 1660 Siskiyou Shackleford Creek 1219 Comment
  HSC19075  Danthonia unispicata J. O. Sawyer 1969-8-1 1635 Siskiyou SE facing slope above Duck Lake Creek 1951 Comment
  HSC19079  Danthonia unispicata J. O. Sawyer 1969-7-15 1114 Siskiyou Slopes S of Jackson Lake. 2287 Comment
  HSC91411  Danthonia unispicata Jennifer Whipple 1976-7-7 1333 Siskiyou N slopes of Mt. Eddy. 2439 Comment
  JEPS128472  Danthonia unispicata Julie Kierstead Nelson with Martin Lenz, Rhonda Posey, Brenna Montagne 2016-6-9 2016 -030 Siskiyou Lower Parks Creek watershed, E Klamath Range; Forest Road 42N19. 4 miles northwest of Stewart Springs. Comment
  CHSC30181  Darlingtonia californica M. S. Taylor 1980-7-8 3102 Siskiyou On nw side of Castle Lake, along edge of lake, in ... Field redacted by CHSC, contact the data manager for more information 1615 Comment
  HSC67646  Darlingtonia californica J. P. Smith, Steve Selva 1970-7-27 4522 Siskiyou Gumboot Lake 1768 Comment
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Jun 7 2012
  UC63716  Darlingtonia californica H. M. Hall and E. B. Babcock June, 1903 4042 Siskiyou near Sisson (18th Crossing, Sacramento River); Mount Shasta 1036 Comment
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Nov 6 2019
  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
  CAS-BOT-BC141831  Dasiphora fruticosa A. A. Heller 1915-8-26 12223 Siskiyou Heather meadow near the head of Wagon Creek Canyon, Mt. Eddy 2590 Comment
  UC164456  Datura stramonium Geo. D. Butler 1910-7-1 1620 Siskiyou Yreka Comment
  POM71157  Datura stramonium Geo. D. Butler 1910-7-1 1620 Siskiyou Yreka. Comment
  CDA5359  Daucus carota T. C. Fuller 1959-7-8 6042 Siskiyou 0.6 mile west of Ainsworth Corners. 0 Comment
  UC1125923  Delphinium andersonii M. H. Mitchell 1936-5-9 11 Siskiyou se slope Schonchin Butte; Modoc Lava Beds Natl. Mon., Dorris Quadrangle Comment
  RSA17660  Delphinium andersonii Elmer I. Applegate 1935-6-2 9282 Siskiyou W base of Sconchin Butte, Lava Beds National Monument Comment
  HSC19076  Delphinium decorum subsp. tracyi J. O. Sawyer 1969-6-13 950 Siskiyou Slope above Little Duck Lake 2134 Comment
  SEINET1004226  Delphinium depauperatum Mark Fishbein, Lane Greer 2006-1 5883 Siskiyou Payness Creek, at road crossing below Payness Springs, about 2 mi southeast of Medicine Lake. 1975 Comment
  RSA398634  Delphinium glaucum M. B. Dunkle 1945-8-2 9272 Siskiyou Paradise Lake, Klamath National Forest, Marble Mountains. Comment
  UC1334524  Delphinium nudicaule G. A. L. Mehlquist and J. A. Jenkins 1940-5-30 19 Siskiyou e-facing slope Caldwell Butte Comment
  CDA24250  Delphinium nudicaule D. Osterhandt, Don Shaw 1978-3-31 Siskiyou Between Forks of Salmon and Somes Bar. 0 Comment
  CAS-BOT-BC116164  Delphinium nuttallianum John Thomas Howell 1937-7-24 13404 Siskiyou Caribou Basin, Salmon-Trinity Alps. 2286 Comment
  CAS-BOT-BC116174  Delphinium nuttallianum Ira L. Wiggins 1955-7-27 13544 Siskiyou Caribou Lake, Salmon-Trinity Alps Primitive Area 2042 Comment
  CAS-BOT-BC118073  Delphinium nuttallianum William Bridge Cooke 1938-7-1 11156 Siskiyou Near Wagon Camp. Locally common at the lower end of the Wagon Camp meadow along the stream and roadside Comment
  RSA151975  Delphinium nuttallianum R. C. Bacigalupi 1952-6-17 3739 Siskiyou Trinity - Siskiyou County line. 500 ft above summit of Scott Mt. road, on county boundary. 1829 Comment
  CAS-BOT-BC192469  Deschampsia cespitosa subsp. cespitosa Geo. D. Butler 1910-7-7 1652 Siskiyou Shackleford Creek 914 Comment
  UC204799  Deschampsia cespitosa subsp. cespitosa Geo. D. Butler 1910-7-7 1652 Siskiyou Shackleford Creek 914 Comment
  UC651085  Deschampsia cespitosa subsp. cespitosa L. Whitney 1933-8-2 Siskiyou Slate Creek Comment
  UCD62397  Deschampsia danthonioides A. A. Beetle; G. L. Stebbins Jr. 1942-5-31 3434 Siskiyou 4 miles W of Hamburg. Comment
  SEINET4567140  Deschampsia elongata E. Palmer 1892-1 2642 Siskiyou Near Mt. Shasta Comment
  SEINET7063125  Descurainia incisa subsp. filipes A. G. Vestal 1963-6-1 s.n. Siskiyou North of Big Springs [Mayten] on the Mayten Road. UTM Zone 10, 549674mE, 4605677mN. (WGS84/NAD83). 224 Comment
  HSC6710  Descurainia longipedicellata R. C. Wunner 1965-8-23 474 Siskiyou Lava Beds National Monument, Lava Reef burn near NW dump 1220 Comment
  JEPS1798  Dianthus deltoides subsp. deltoides Duncan Dunning 1921-7-16 Siskiyou se Toad Mountain (Toad Lake, nw of Hambone, southeastern Siskiyou County); se of Toad Mountain Comment
  HSC2396  Dicentra formosa William J. Ferlatte 1966-8-18 416 Siskiyou Along the S Fork of the Salmon River between the Campground and Carter's 1524 Comment
  UC1190147  Dicentra formosa Ira L. Wiggins 1955-7-29 13576 Siskiyou between pass to Thompson Creek and Caribou Lake 1956 Comment
  JEPS82680  Dicentra pauciflora Wayne Roderick 1984-6-7 Siskiyou Cabin Meadow s.w. Stewart Springs (camp site) 1798 Comment
  CAS-BOT-BC500907  Dichelostemma capitatum Geo. D. Butler 1910-4-17 1192 Siskiyou Near Yreka Comment
  HSC41069  Dichelostemma capitatum subsp. capitatum J. O. Sawyer 1970-3-4 2075 Siskiyou N of Idlewild Campground 762 Comment
  CAS-BOT-BC502187  Dichelostemma ida-maia Clarence R. Quick 1958-6-17 58 -18 Siskiyou Occasional on brushy slope near Black Bear SUmmit south of Sawyer's Bar, on ridge road to Cecilville 1356 Comment
  RSA120196  Dichelostemma multiflorum S. S. Tillett 1956-7-11 701 Siskiyou just N of campground, Scott Mtn divide, Siskiyou - Trinity County line, 8 mile SE of Callahan. 1631 Comment
  CAS-BOT-BC502677  Dichelostemma multiflorum V. Rattan 1879-6-1 s. n. Siskiyou Klamath Comment
  CAS-BOT-BC291026  Dieteria canescens var. shastensis John Thomas Howell 1939-8-4 15045 Siskiyou Marble Rim, Marble Mts. 1889 Comment
  UC1408805  Dieteria canescens var. shastensis Robert F. Thorne and Fred Oettinger 1969-8-10 38945 Siskiyou along Ski Bowl Road (sw slope of Mt. Shata, Mt. Shasta National Forest); Mt. Shasta National Forest, sw slope of Mt. Shasta 1280 Comment
  UC86847  Dieteria canescens var. shastensis K. Brandegee Jul 1884-Jul 1889 Siskiyou Ager Klamath River, Ager Comment
  SDSU13054  Dipsacus sativus D. F. Howe 1962-8-5 3260 Siskiyou 56.8 miles east of Happy Camp on #96. 610 Comment
  RSA755950  Disporum hookeri Robert F. Thorne 1969-8-2 63349 Siskiyou Klamath National Forest, Salmon Mountains, Marble Mountain Wilderness Area, high lake basins in the vicinity of English Peak 1159 Comment
  RSA238734  Dodecatheon alpinum Frederick W. Oettinger 1969-7-15 1029 Siskiyou On wet, cold, meadow at 'Bear Meadow' spring in saturated humus-located mid-way as the crow flies between Tom Taylor cabin and English Peak summit., The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1997 Comment
  RSA215607  Dodecatheon jeffreyi Gilbert Muth 1969-8-11 1362 Siskiyou Ridge south of Boulder Peak. 2317 Comment
  HSC29233  Dodecatheon jeffreyi Frederick W. Oettinger 1969-7-17 1051 Siskiyou Marble Mountain Wilderness Area, along inlet stream on SW side of Upper English Lake 1768 Comment
  UCD55035  Downingia bacigalupii Robert E. Preston 2002-6-22 1885 Siskiyou Ca. 0.6 miles SW of Cayton, on W side of Hwy 89. 958 Comment
  JEPS101451  Downingia elegans var. elegans Dean W. Taylor 1999-6-9 17240 Siskiyou Agate Flat, 0.3 miles S of Oregon State Line 1005 Comment
  HSC90894  Draba carnosula Jennifer Whipple 1976-7-1 1233 Siskiyou Near Little Crater Lake 2195 Comment
  UCD115550  Draba pterosperma J. M. Tucker; L. K. Mann and Sandra L. Holloway 1963-8-18 3757 Siskiyou Southwestern ridge of Black Mountain (Black Marble Mountain), Marble Mountain Wilderness Area. 2133 Comment
  CAS-BOT-BC438787  Drosera anglica Dana York 2011-9-9 3090 Siskiyou Marble Mountain Wilderness. Klamath National Forest, a few meters inside Marble Mountain Wilderness at Isinglass Lake. 1985 Comment
  HSC73323  Drymocallis glandulosa Gail Newton 1980-6-20 482 Siskiyou Near Bald Mtn. 1097 Comment
  HSC74867  Drymocallis glandulosa J. P. Smith, Jennifer Whipple 1978-7-2 9987 Siskiyou Trail from Cook and Green Pass to Copper Butte. 1768 Comment
  HSC78251  Drymocallis glandulosa var. glandulosa L. P. Janeway 1983-8-6 498 Siskiyou Poker Flat. W part of lower portion of meadow. 1529 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
  HSC98409  Eleocharis decumbens Frederick W. Oettinger, R. F. Thorne 1969-8-4 1181 Siskiyou Marble Mtn. Wilderness Area, N of Tobacco Lake 1890 Comment
  UCSB63910  Eleocharis engelmannii Oswald, Vernon; Ahart, Lowell 1997-7-28 Siskiyou East side of Forest Route 15, 10.9 mi. north of Hwy. 89; T41N R2E Sect. 18, Lodgepole Pine Forest 1383 Comment
  SEINET9084219  Eleocharis obtusa var. engelmannii L. Ahart, V. Oswald 1997-7-28 8808 Siskiyou E side of FR 15, 109 miles N of Hwy 89. 1384 Comment
  HSC68515  Eleocharis suksdorfiana Maralyn A. Renner 1980-6-26 1174 Siskiyou Flint Valley. 1390 Comment
  UC618597  Eleocharis suksdorfiana W. Bridge Cooke 1938-7-21 11293 Siskiyou Panther Creek Middle Meadow, upper meadow 2286 Comment
  CHSC106104  Elodea canadensis Lowell Ahart; John Dittes 2010-7-30 16964 Siskiyou In the Shasta River, about 30 yards northwest of the East Louie Road Bridge, Shasta Big Springs Ranch, 1.6 miles (air) southwest of Big Springs Lake, 4.6 miles (air) northwest of Dwinnel Dam, 5.7 miles (air) southeast of Grenada. 716 Comment
  CAS-BOT-BC451558  Elodea canadensis Louis C. Wheeler 1934-6-2 2624 Siskiyou Klamath National Forest, Cherry Flat 518 Comment
  CAS-BOT-BC227125  Elymus Arthur Menzies 1962-7-21 s.n. Siskiyou Morgan Meadows, base of Mt. Eddy 1706 Comment
  CAS-BOT-BC227132  Elymus X hansenii Doris K. Kildale 1928-7-4 5514 Siskiyou Summit of divide between Sawyers Bar & Etna Comment
  HSC100862  Elymus caput-medusae J. P. Smith, J. O. Sawyer & R. J. Cole 2010-7-11 12997 Siskiyou Gazelle- Callahan Road. 1233 Comment
  CAS-BOT-BC227911  Elymus elymoides K. T. Stillman 1976-7-21 275 Siskiyou Marble Mountain Wilderness Area 1981 Comment
  UCD61650  Elymus elymoides subsp. californicus Robert E. Preston 2001-6-23 1624 Siskiyou Klamath National Forest, n-facing slope of Rainbow Mtn. 1706 Comment
  HSC19240  Elymus elymoides var. elymoides J. O. Sawyer 1969-7-25 1553 Siskiyou S of High Lake 2210 Comment
  HSC69018  Elymus elymoides var. elymoides Maralyn A. Renner 1980-7-24 2019 Siskiyou Lily Pad Lake 1768 Comment
  HSC76769  Elymus elymoides var. elymoides K. T. Stillman 1976-8-7 376 Siskiyou Marble Mtn. Wilderness Area, Box Camp Mtn. 2195 Comment
  HSC77089  Elymus glaucus K. T. Stillman 1976-7-30 333 Siskiyou Marble Mtn. Wilderness Area, Elk Valley. Comment
  HSC31064  Elymus glaucus subsp. glaucus Frederick W. Oettinger 1969-8-16 1391 Siskiyou Marble Mtn. Wilderness Area, SW of Wiregrass Meadow above English Lake. 1677 Comment
  HSC69279  Elymus glaucus subsp. glaucus Maralyn A. Renner 1980-7-24 1993 Siskiyou Pacific Crest Trail above Lily Pad Lake. 1799 Comment
  JEPS73753  Elymus glaucus subsp. glaucus Geo. D. Butler 1909-6-13 834 Siskiyou Moffitt Creek Comment
  SJSU11312  Elymus hispidus S. H. Casey 1981-7-3 1205 Siskiyou near mouth of O'Neal Creek tributary of the Klamath River c. 4 mi W of Seiad Valley 426 Comment
  CAS-BOT-BC235221  Elymus multisetus Gilbert Muth 1966-7-17 410 Siskiyou Near Lookout, Marble Mts. 2057 Comment
  CHSC6711  Elymus multisetus B. Anthony 1968-6-2 560 Siskiyou 4 miles N. of Fort Jones. Comment
  HSC10972  Elymus multisetus L. C. Wheeler 1934-10-21 3328 Siskiyou Shasta Valley 4 mi. E of Grenada 869 Comment
  HSC45888  Elymus trachycaulus subsp. trachycaulus Laura Witherspoon 1978-8-15 80 Siskiyou Klamath National Forest. 2.9 miles S of La Honda Well and Forest Service Rd. 6Q01 (Tennant Rd.) 1442 Comment
  HSC78307  Epilobium brachycarpum L. P. Janeway 1983-9-11 659 Siskiyou Poker Flat 1524 Comment
  UC873338  Epilobium ciliatum subsp. ciliatum W. Bridge Cooke 1942-9-5 16276 Siskiyou near MacBride Springs; Mt. Shasta Comment
  POM256465  Epilobium ciliatum subsp. ciliatum Edward Lee 1934-8-13 1068 Siskiyou Happy Camp to Waldo (Oregon) road, watershed of West Branch of Indian Creek, Klamath National Forest. 1372 Comment
  POM32629  Epilobium ciliatum subsp. ciliatum E. B. Copeland 1903-7-7 3548 Siskiyou Hornbrook. Comment
  UC642538  Epilobium ciliatum subsp. glandulosum W. Bridge Cooke 1939-7-21 13701 Siskiyou above outlet of the Municipal Spring above Howard; Mount Shasta Comment
  JEPS38212  Epilobium densiflorum Geo. D. Butler 1908-7-17 160 Siskiyou near Yreka (along creek); Butler's Ranch Comment
  UC84475  Epilobium densiflorum Dr. E. B. Copeland 1903-7-7 3543 Siskiyou Hornbrook Comment
  OBI55425  Epilobium densiflorum David J. Keil 1992-7-20 23484 Siskiyou 10.3 mi W of Fort Jones along Scott River Rd 900 Comment
  HSC92082  Epilobium glaberrimum subsp. fastigiatum Jennifer Whipple 1976-7-4 1467 Siskiyou Wagon Creek drainage near Wagon Creek 2195 Comment
  HSC32273  Epilobium hallianum J. O. Sawyer 1969-8-5 1742 Siskiyou W of Little Duck Lake 2073 Comment
  POM258624  Epilobium hornemannii subsp. hornemannii W. Bridge Cooke 1940-7-5 15288 Siskiyou Mt. Shasta: in the meadow at Wagon Camp 1738 Comment
  POM259014  Epilobium hornemannii subsp. hornemannii W. Bridge Cooke 1940-8-8 15439 Siskiyou Mount Shasta: Along Squaw Valley Creek 2439 Comment
  UC1408905  Epilobium lactiflorum Frederick W. Oettinger 1968-8-4 388 Siskiyou trail just n Crapo Peak ridge (w Siskiyou Co., high lake basins in vicinity of English Peak); Salmon Mountains, Marble Mountain Wilderness Area 2194 Comment
  CAS-BOT-BC171835  Epilobium oreganum A. A. Heller 1914-8-25 11712 Siskiyou Deetz Station near Black Butte 1158 Comment
  HSC92073  Epilobium siskiyouense Jennifer Whipple 1976-7-24 1558 Siskiyou SW of Dobkins Lake along the drainage into the lake 2287 Comment
  UC125532  Epilobium siskiyouense Dr. E. B. Copeland 1903-9-7 3857 Siskiyou foot of glacier on se ridge Mt. Eddy Comment
  SD10034  Equisetum telmateia subsp. braunii Eleanor C. Layman 1933-9-3 Siskiyou Shasta Springs Comment
  UCSC004593  Eragrostis Randall Morgan 2004-8-3 4271 Siskiyou Castle Crags State Park, Sacramento River Comment
  POM161563  Eragrostis hypnoides Geo D. Butler 1910-8-13 1836 Siskiyou Oro Fino Comment
  CAS-BOT-BC204629  Eragrostis mexicana subsp. virescens Dorothy Parker 1949-7-24 84 Siskiyou McConahue Gulch, Scott Valley 914 Comment
  HSC91434  Eremogone congesta Jennifer Whipple 1976-7-9 1397 Siskiyou Dale Creek drainage on the N face of Mt. Eddy 2226 Comment
  RSA0045086  Eremogone congesta Geo. D. Butler 1910-7-13 1772 Siskiyou Shackleford Creek. 1220 Comment
  RSA0045089  Eremogone congesta R. F. Thorne 1969-8-2 63335 Siskiyou Klamath National Forest, Salmon Mountains, Marble Mountain Wilderness Area, high lake basins in the vicinity of English Peak. Trail to upper English Lake along Salmon River. 1159 Comment
  CAS-BOT-BC174223  Eremogone congesta var. congesta Louis C. Wheeler 1934-8-2 3023 Siskiyou Head of Jaynes Canyon, Siskiyou Mts. 2072 Comment
  CAS-BOT-BC174230  Eremogone congesta var. congesta Ira L. Wiggins 1955-7-27 13515 Siskiyou Caribou Lake, Salmon-Trinity Alps Primitive Area 2042 Comment
  CAS-BOT-BC481932  Eremogone congesta var. crassula Arthur Menzies 1962-7-21 s.n. Siskiyou Mt. Eddy 2529 Comment
  CAS-BOT-BC174270  Eremogone congesta var. subcongesta W. R. Dudley 1899-8-22 s.n. Siskiyou Top of Spur - Craggy Peak Comment
  CAS-BOT-BC286706  Ericameria bloomeri A. A. Heller 1939-7-31 15428 Siskiyou Junction of the Horse Camp and Panther Meadow roads, Mt. Shasta Comment
  JEPS19231  Ericameria bloomeri W. L. Jepson 1940-7-3 20098 Siskiyou se Siskiyou County; Bartle 1188 Comment
  UC163906  Ericameria bloomeri Geo. D. Butler 1910-8-7 1823 Siskiyou Humbug Mountain 1219 Comment
  SEINET5647875 Image available Ericameria bloomeri Lowell E. Urbatsch, D. Clark 1974-1 1509 f Siskiyou Along road to Ski Bowl on Mt. Shasta.; Mount Shasta 1676 Comment
  SEINET7846083 Image available Ericameria bloomeri M. J. Williams 1985-8-14 1- 16 -87 Siskiyou SE side of Medicine Lake Comment
  HSC92593  Ericameria greenei Jennifer Whipple 1976-9-3 1786 Siskiyou W-facing slope of the ridge between Durney Lake and Little Crater Lake 2195 Comment
  POM56931  Ericameria greenei E. B. Copeland 1903-9-8 2868 Siskiyou Mt. Eddy 1768 Comment
  RSA178673  Ericameria greenei A. A. Heller 1927-8-1 14438 Siskiyou Along the base of Spring Hill near the town of Mt. Shasta on the headwater of the Sacramento River. Comment
  POM274348  Ericameria greenei B. W. Heacox 1947-9-11 187 Siskiyou Dry-Lake Look-out Station. Siskiyou Mt. Range, Klamath River Drainage Area Comment
  CAS-BOT-BC298249  Ericameria nauseosa var. oreophila A. A. Heller 1917-9-7 12978 Siskiyou Shasta Valley 2 miles S of Grenada 914 Comment
  CAS-BOT-BC294299  Ericameria nauseosa var. speciosa K. T. Stillman 1976-9-9 482 Siskiyou Jump off point; trail to Box Camp 1950 Comment
  CAS-BOT-BC482440  Ericameria nauseosa var. speciosa Dana York 2010-9-11 3016 Siskiyou Six Rivers Naitonal Forest, boundary of Siskiyou Wilderness, NW slope of Broken Rib Mountain 1435 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
  SBBG25834  Erigeron D. Myrick 1966-8-9 1510 Siskiyou Mtn Meadow Ranch, Big Flat, Trinity Alps 1524 Comment
  JEPS41576  Erigeron aliceae W. L. Jepson 1937-7-30 18536 Siskiyou near Poker Flat; Summit Siskiyou Mts. 1584 Comment
  POM253603  Erigeron aliceae C. L. Hitchcock, J. S. Martin 1939-7-6 5202 Siskiyou Siskiyou Mts., 2 miles within California boundary on Takilma-Happy Camp Road 1555 Comment
  POM357569  Erigeron aliceae M. B. Dunkle 1944-7-18 9138 Siskiyou Sterling Mountains, Siskiyou National Forest. 1890 Comment
  UCD131602  Erigeron aliceae J. M. Tucker; L. K. Mann, Sandra L. Holloway 1963-8-18 3748 Siskiyou Upper Canyon Creek, ca. 0.5 mile northeast of the Marble Valley Guard Station, Marble Mountain Wilderness Area. 1920 Comment
  HSC92416  Erigeron bloomeri var. bloomeri Jennifer Whipple 1976-7-9 1399 Siskiyou Dale Creek drainage on the N face of Mt. Eddy 2226 Comment
  CAS-BOT-BC33466  Erigeron bloomeri var. pubens C. L. Hitchcock; J. S. Martin 1939-7-9 5329 Siskiyou 0.5 mile SE of King's Castle; Marble Mts. 1828 Comment
  JEPS105428  Erigeron cervinus Dean W. Taylor 1996-7-12 15789 Siskiyou Salmon Mountains; Patterson Creek drainage (about 5 air miles west of Etna); Klamath National Forest 1371 Comment
  CAS-BOT-BC297143  Erigeron concinnus var. concinnus L. N. Lorenzen No date on label. 28664 Siskiyou Van Brennans [Bremmer ?] Wells, Shasta Forest 1440 Comment
  CAS-BOT-BC300430  Erigeron elegantulus A. A. Heller 1938-7-13 15273 Siskiyou About a mile south of Bray Comment
  POM253147  Erigeron elegantulus A. A. Heller 1938-7-13 s.n. Siskiyou Border of meadows just south of Bray. 1402 Comment
  HSC19467  Erigeron glacialis var. glacialis J. O. Sawyer 1969-7-24 1488 Siskiyou NE facing seep SW of Sugar Lake 1890 Comment
  HSC2404  Erigeron glacialis var. glacialis William J. Ferlatte 1966-8-17 400 Siskiyou Caribou Basin 1982 Comment
  CAS-BOT-BC295425  Erigeron inornatus var. calidipetris H. Dearing; M. Dearing 1938-6-28 2179 Siskiyou Fowler Camp, McCloud River Comment
  JEPS41427  Erigeron inornatus var. inornatus Duncan Dunning 1921-7-16 Siskiyou nw of Hambone; Mt. Shasta, Toad Mountain Comment
  UC895896  Erigeron inornatus var. inornatus Alice Eastwood 1912-9-4 2098 Siskiyou Sisson Comment
  JEPS84307  Erigeron klamathensis L. R. Heckard with J. Hickman et al. 1986-7-18 6530 Siskiyou above and s Alex Hole (n of Hwy 96); Buckhorn Campground Comment
  UC637132  Erigeron klamathensis Edward Lee 1934-8-14 1109 Siskiyou near summit Little Grayback (Siskiyou-Del Norte County line) 1859 Comment
  RSA211199  Erigeron peregrinus subsp. callianthemus William J. Ferlatte 1966-8-5 336 Siskiyou Caribou Mtn., Open granite slopes and ridges. Near summit. 2470 Comment
  HSC26151  Erigeron petrophilus var. viscidulus J. P. Smith, J. O. Sawyer 1972-9-12 5776 Siskiyou Scott Mtn., slopes E of Big Carmen Lake 1982 Comment
  JEPS93920  Erigeron petrophilus var. viscidulus Vernon H. Oswald and Lowell Ahart 1998-8-3 9410 Siskiyou Kangaroo Lake Road (USFS 41N08) 3.5 mi se of Gazelle-Callahan Road at its intersection with USFS 41N10 Kangaroo Lake Road 1493 Comment
  UC336095  Erigeron petrophilus var. viscidulus unknown Siskiyou side of Mt. Shasta Comment
  CAS-BOT-BC300084  Erigeron philadelphicus E. K. Balls 1949-7-9 13927 Siskiyou 3.1 miles from Etna on rd to Sawyer's Bar, southern Siskiyou County 914 Comment
  UC163905  Erigeron pumilus var. intermedius Geo. D. Butler 1910-6-3 1471 Siskiyou Quartz Valley Comment
  RSA105313  Erigeron pumilus var. intermedius Milo S. Baker 1955-6-26 13073 Siskiyou Shasta Valley between Weed and Gazelle. 915 Comment
  UC635009  Eriogonum compositum var. compositum H. L. Mason 1929-5-18 5327 Siskiyou hills along Shasta Creek Canyon Shasta Creek Canyon Comment
  HSC46891  Eriogonum compositum var. compositum William J. Ferlatte 1974-7-13 1516 Siskiyou Canyon of the S Fork of Salmon River near falls 436 Comment
  JEPS84207  Eriogonum diclinum L. R. Heckard with J. Hickman et al. 1986-7-17 6495 Siskiyou Oak Knoll Ranger Station road to Condrey Mt ca 14.5 mi from. Hwy 96 (Walker) (near Dry Lake) 2000 Comment
  CAS-BOT-BC255727  Eriogonum elatum var. elatum D. M. Traugh 1933-8-7 111 Siskiyou Klamath Forest 1981 Comment
  JEPS83646  Eriogonum hirtellum R. Raiche 1987-7-28 70543 Siskiyou between Polar Bear Mt. and Lookout Mountain (at Del Norte Co. line); Polar Bear Gap 1737 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
  RSA233650  Eriogonum maculatum Robert F. Thorne 1969-8-10 38985 Siskiyou Mount Shasta National Forest; south slope of Mt. Shasta at base of boulders. 2378 Comment
  HSC43461  Eriogonum marifolium Jennifer Whipple 1976-6-24 1130 Siskiyou N slopes of Mt. Eddy 2439 Comment
  UC6357  Eriogonum marifolium Wm. H. Brewer 1862-9-13 1396 Siskiyou Mt. Shasta 2133 Comment
  HSC12265  Eriogonum marifolium Richard Spjut 1970-7-22 870 Siskiyou N Warner Mtns. on Mt. Shasta by ski lodge 2591 Comment
  HSC67822  Eriogonum marifolium var. marifolium J. O. Sawyer, J. Cole 1980-7-20 3771 Siskiyou S of Grouse Hill, at N base of Badger Peak 2146 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
  HSC23546  Eriogonum nudum var. nudum J. O. Sawyer 1969-7-18 1383 Siskiyou Ridge above S Russian Creek 1921 Comment
  RSA393329  Eriogonum nudum var. nudum Robert Gustafson 1985-10-19 3307 Siskiyou Gazelle Callahan Road 1372 Comment
  CAS-BOT-BC272501  Eriogonum nudum var. pubiflorum John Thomas Howell 1934-7-4 12396 Siskiyou Se. corner of Siskiyou Co. Comment
  JEPS56648  Eriogonum nudum var. pubiflorum W. L. Jepson 1907-7-22 2954 Siskiyou Hamburg Klamath River, Hamburg Comment
  CAS-BOT-BC272490  Eriogonum nudum var. pubiflorum Doris K. Kildale 1928-7-25 5874 Siskiyou Klamath River, between Brown's Resort & Gottville 579 Comment
  UCD100721  Eriogonum nudum var. pubiflorum Robert E. Preston 1995-6-18 886 Siskiyou Irongate Reservoir, 1/4 mile SW of mouth of Jenny Creek, on road cut. 731 Comment
  UC1540137  Eriogonum pyrolifolium Dean Wm. Taylor, Rexford E. Palmer 1987-8-8 9259 Siskiyou Lyons Peak Medicine Lake vocanic highland region, Lyons Peak 2407 Comment
  CAS-BOT-BC252963  Eriogonum pyrolifolium var. pyrolifolium Alice Eastwood 1912-9-1 2075 Siskiyou Mount Shasta Comment
  RSA331950  Eriogonum pyrolifolium var. pyrolifolium Dave Kelly, Walter Wisura 1985-7-31 4086 Siskiyou Mount Shasta, end of Everitt Memorial Hwy Comment
  CAS-BOT-BC267709  Eriogonum roseum Carl B. Wolf 1927-8-26 1082 Siskiyou On the Klamath River, 14 mi. above Happy Camp Comment
  HSC43442  Eriogonum siskiyouense Jennifer Whipple 1976-9-3 1771 Siskiyou Near Little Crater Lake 2195 Comment
  HSC49952  Eriogonum siskiyouense G. L. Clifton, Ground 1978-7-2 1752 Siskiyou Near Hayden Cabin 1738 Comment
  UCR45377  Eriogonum siskiyouense Thomas W. Nelson, Jane P. Nelson 1983-8-12 7582 Siskiyou Klamath National Forest. Along forest road 40N02 c. 1 mile north of junction with State Route 3 at Scott Mountain Summit 1646 Comment
  CHSC1331  Eriogonum sphaerocephalum var. halimioides J. Wakeman 1963-6-15 Siskiyou Yreka Hill. Comment
  UC164080  Eriogonum strictum var. proliferum Geo. D. Butler 1909-6-19 970 Siskiyou Yreka Comment
  JEPS83885  Eriogonum ternatum Wayne Roderick July 1976 Siskiyou rock outcrop along trail to Lily Pad Lake (vicinity of Cook and Green Pass); Sisiyou Mts. 1706 Comment
  CAS-BOT-BC267934  Eriogonum umbellatum Alice Eastwood 1921-7-25 10802 Siskiyou Pilgrim Creek nursery Comment
  CAS-BOT-BC267945  Eriogonum umbellatum L. E. Detling 1950-6-10 6625 Siskiyou Shasta R. Canyon, nr. Dry Gulch 777 Comment
  CAS-BOT-BC267974  Eriogonum umbellatum var. argus H. A. Thomas; J. H. Thomas 1954-7-24 4487 Siskiyou Salmon - Trinity Mts. Vicinity of Rush Lake and Rush Creek Meadow. About 9 miles E of Cecilville 1981 Comment
  CAS-BOT-BC267992  Eriogonum umbellatum var. argus Louis C. Wheeler 1934-9-1 3234 Siskiyou Jaynes Canyon, Siskiyou Mts. 1950 Comment
  JEPS101145  Eriogonum umbellatum var. bahiiforme Dean W. Taylor 1996-6-20 15718 Siskiyou ridge dividing upper Noyes Valley Creek from Meadow Creek (ca. 20 air miles SW of Yreka) 1542 Comment
  CAS-BOT-BC268149  Eriogonum umbellatum var. humistratum A. M. Vollmer; L. Beane 1951-5-31 26 Siskiyou Scott Mountain Comment
  SEINET10919210 Image available Eriogonum umbellatum var. lautum James L. Reveal 2001-7-19 Reveal 8348 Siskiyou Scott Valley, along South Kidder Creek Road 0.5 miles west-southwest of California Highway 3, about 6.1 air miles southwest of Fort Jones and 5.7 air miles north of Etna, on gravelly soil in open grasslands. T.43N, R9W, sec. 30 NE1/4 of the NE1/4. 869 Comment
  HSC17349  Eriogonum umbellatum var. modocense R. C. Wunner 1965-6-15 188 Siskiyou Lava Beds National Monument, in crater of Caldwell Butte on the NW side 1509 Comment
  HSC43440  Eriogonum umbellatum var. nelsoniorum Jennifer Whipple 1976-9-3 1773 Siskiyou E facing slopes near Little Crater Lake 2195 Comment
  CAS-BOT-BC265195  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
  RSA50236  Eriogonum umbellatum var. polyanthum E. K. Balls 1949-7-9 13945 Siskiyou Salmon Mtns. top of pass on rd from Etna to Sawyer's Bar. 1479 Comment
  SEINET10904445  Eriogonum umbellatum var. polyanthum Mary Susan Taylor 1980-8-18 Taylor 3261 Siskiyou T43N R1E sw sec 8, Medicine Lake quad. Shasta-Trinity Natl Forest, Little Mount Hoffman, W side, between road and look out. With J. Prouty & E. Heinz. 2225 Comment
  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
  JEPS56126  Eriogonum vimineum W. L. Jepson 1937-6-22 18454 Siskiyou near Klamath River bridge (1st summit north of Yreka) Comment
  HSC92594  Eriophyllum lanatum Jennifer Whipple 1976-7-9 1392 Siskiyou Dale Creek Drainage on the N face of Mt. Eddy 2226 Comment
  CAS-BOT-BC301140  Eriophyllum lanatum var. achilleoides A. A. Heller 1916-7-20 12479 Siskiyou Near Wagon Creek Falls, east side of Mt. Eddy 1524 Comment
  UC134265  Eriophyllum lanatum var. achilleoides H. E. Brown Jun 1 1897-Jun 10 1897 336 Siskiyou near Sisson 1083 Comment
  UC195257  Eriophyllum lanatum var. achilleoides Annie M. Alexander and Louise Kellogg 1911-6-4 111 Siskiyou Mayten Comment
  CAS-BOT-BC301109  Eriophyllum lanatum var. achilleoides D. H. Johnson; F. G. Palmer 1935-5-16 s.n. Siskiyou Caves eleven miles northeast of Weed 1097 Comment
  CAS-BOT-BC301705  Eriophyllum lanatum var. lanceolatum J. M. Tucker; L. K. Mann; S. L. Holloway 1963-8-18 3751 Siskiyou Southwestern ridge of Black Marble Mountain, Marble Mountain Wilderness Area 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
  CAS-BOT-BC94802  Eriophyllum lanatum var. lanceolatum R. C. Wenk 2008-7-24 939 Siskiyou Kangaroo Lake, S of Gazelle-Callahan Road, top of ridge S of lake 1981 Comment
  POM30095  Eriophyllum lanatum var. lanceolatum Geo. D. Butler 1908-7-12 298 Siskiyou Humbug Mountain. 1220 Comment
  POM358045  Eriophyllum lanatum var. lanceolatum M. B. Dunkle 1944-6-25 9019 Siskiyou Siskiyou National Forest. 1677 Comment
  CHSC91383  Erodium cicutarium Lowell Ahart; John Dittes 2005-6-10 12058 Siskiyou Near a poor dirt road, about 80 yards north of the pump house along the Shasta River, about 1.9 miles (air) south of Highway 99/97 Cutoff, about 6 miles (air) east-southeast of Grenada. 776 Comment
  UC1565574  Eryngium mathiasiae Beth Corbin 1989-8-28 548 Siskiyou 0.5 mi. n Adobe Flat Reservoir (ca. 15 air miles n. of Fall River Mills) 1097 Comment
  CAS-BOT-BC54574  Erysimum capitatum L. E. Smith 1913-5-9 196 Siskiyou Weed. Comment
  CAS-BOT-BC55119  Erysimum perenne C. L. Hitchcock; J. S. Martin 1939-7-9 5313 Siskiyou Between King's Castle and Black Mountain. Northwest side of bridge. 1828 Comment
  CAS-BOT-BC389661  Erythranthe linearifolia Andrew Townesmith; Karen M. Meyer 2007-8-1 881 Siskiyou Shasta-Trinity National Forest. 11.7 miles up Stewart Springs road/Forest Service road 17 (distance from intersection of Stewart Springs and Old 99 Highway) 1983 Comment
  CAS-BOT-BC505229  Erythronium grandiflorum Gilbert Muth 1966-7-8 350 Siskiyou Marble Valley, Marble Mts. 1792 Comment
  RSA0036119  Erythronium grandiflorum var. pallidum Marion Ownbey, Ruth P. Ownbey 1938-7-19 1753 Siskiyou Summit of the Siskiyou Mountains, 2 1/2 miles northwest of Dry Lake lookout. Comment
  CAS-BOT-BC133299  Erythronium hendersonii Mrs. A. E. Stonehouse 1917-4-25 s.n. Siskiyou Hilt Comment
  CAS-BOT-BC403685  Eschscholzia californica Mrs. H. C. Cantelow 1936-5-20 s.n. Siskiyou Between Yreka and Fort Jones Comment
  RSA17662  Eschscholzia californica var. crocea Elmer I. Applegate 1935-6-10 9470 Siskiyou Harden Butte (Sand Hill), Lava Beds National Monument Comment
  UC1777716  Euphorbia spathulata J. Di Tomaso 2002-5-17 Siskiyou 8 mi NE of Montague (York Rd, 3 m E of intersection with Mulloy Rd) Comment
  CAS-BOT-BC310636  Eurybia radulina A. A. Heller 1915-8-24 12206 Siskiyou Metcalf's ranch, northeast base of Mt. Eddy 1188 Comment
  SEINET5708047 Image available Eurybia radulina Lowell E. Urbatsch, Vesna Karaman, Castro 2000-1 7700 Siskiyou Scott Mts. Collected along Road 17, 10.3 miles SW from the intersection of I-5 and Stewart Springs Rd.; Scott Mountains 1755 Comment
  JEPS31913  Eurybia radulina Geo. D. Butler 1908-7-22 293 Siskiyou roadside w of Forest House Mountain Comment
  CAS-BOT-BC94540  Festuca californica R. C. Wenk 2006-7-24 531 Siskiyou Scott Mountains, border between Trinity and Siskiyou Counties, forest near the Pacific Crest Trail, 1/2 km E of Hwy 3 1700 Comment
  CAS-BOT-BC278736  Festuca idahoensis Elmer I. Applegate 1935-6-10 9464 Siskiyou Indian Well, Lava Beds National Monument 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
  HSC30510  Festuca idahoensis Frederick W. Oettinger 1968-8-8 452 Siskiyou Marble Mtn. Wilderness Area, Crapo Meadow 2165 Comment
  CAS-BOT-BC278875  Festuca occidentalis Alice Eastwood 1912-7-17 1098 Siskiyou McCloud Comment
  HSC13  Festuca occidentalis William J. Ferlatte 1966-6-22 108 Siskiyou 3 mi. S of Big Flat 1585 Comment
  HSC19058  Festuca occidentalis J. O. Sawyer 1969-7-23 1185 Siskiyou Along road near Horse Range Creek. 1341 Comment
  UC818049  Festuca occidentalis Alice Eastwood 1912-7-17 1098 Siskiyou McCloud Comment
  CAS-BOT-BC279074  Festuca rubra David D. Keck 1949-7-19 6357 Siskiyou 6.5 mi. SW of Yreka on road to Ft. Jones, nr. head of Yreka Creek 1127 Comment
  CAS-BOT-BC278641  Festuca subulata Doris K. Kildale 1928-7-3 5453 Siskiyou Little North Fork, Salmon River on road from Forks of Salmon to Sawyers Comment
  JEPS80531  Festuca viridula Gilbert Muth 1966-7-17 403 Siskiyou trail to Marble Mountain Wilderness Area 1828 Comment
  CAS-BOT-BC453509  Fragaria Elmer I. Applegate 1923-8-20 3911 Siskiyou Medicine Lake Comment
  SEINET11915235  Fragaria californica H. P. Chandler 1901-1 1569 Siskiyou nr Marble Mtn - North Coast Ranges 1829 Comment
  CAS-BOT-BC457570  Fragaria vesca subsp. californica Doris K. Kildale 1929-4-27 7555 Siskiyou Cecilville Comment
  SEINET7417489 Image available Frangula californica A. A. Heller 1916-1 12490 Siskiyou E side of Mount Eddy Comment
  CAS-BOT-BC53260  Frangula californica subsp. californica A. A. Heller 1916-7-22 12490 Siskiyou East side of Mt. Eddy Comment
  CAS-BOT-BC59600  Frangula rubra subsp. rubra Doris K. Kildale 1929-6-22 8032 Siskiyou Base of Black Butte, Mt. Shasta Comment
  RSA761385  Frasera Barbara Ertter 1990-7-14 9304 Siskiyou E side Mt. Eddy ca 4 airmiles due W of Mt. Shasta City, at streamlet near end of FR 41N53 ca 1 mi N of Morgan meadows. 1677 Comment
  CAS-BOT-BC223586  Fraxinus latifolia L. R. Short 1933-6-8 33 Siskiyou Klamath National Forest. Klamath River bank 701 Comment
  RSA74739  Fraxinus latifolia Albert M. Vollmer, L. Beane 1951-6-2 46 Siskiyou Klamath River Hwy, between US 99 and Gottville. Comment
  CAS-BOT-BC502838  Fritillaria atropurpurea Wm. F. Herrin 1922-5-1 s.n. Siskiyou Shasta Springs Comment
  UC164478  Fritillaria pudica Geo. D. Butler 1909-5-3 1089 Siskiyou near Yreka Comment
  UCD121596  Galium bifolium G. J. Muth 1975-7-29 5878 Siskiyou Near Kangaroo Mountain, near Seiad Valley. 1755 Comment
  RSA238530  Galium bifolium Frederick W. Oettinger 1968-8-18 580 Siskiyou Due N of Tobacco Lake. Salmon Mtns. High Lake Basins in the vicinity of English Peak. Marble Mtn Wilderness Area. 1890 Comment
  UC888781  Galium bolanderi John Thomas Howell 1937-7-26 13553 Siskiyou Caribou Gulch Comment
  JEPS26665  Galium bolanderi Lauramay T. Dempster 1961-7-2 1847 Siskiyou s Steelhead (near Sugar Pine Gulch); Scott River Comment
  RSA165560  Galium glabrescens subsp. glabrescens Clare B. Hardham 1961-6-30 1820 Siskiyou Near White Mt. Comment
  SBBG18851  Galium glabrescens subsp. glabrescens C. B. Hardham 1961-7-3 8073 Siskiyou Scott Mtns, S of Calahan Comment
  JEPS74702  Galium grayanum J. M. Tucker, L. K. Mann and S. L. Holloway 1963-8-18 3755 Siskiyou se-facing slope on sw ridge of mt. Marble Mountain Wilderness Area, Black Mountain (Black Marbl 2133 Comment
  JEPS107488  Galium parisiense Lowell Ahart, John Dittes 2005-6-10 12116 Siskiyou Rocky hillside, north of the rock fence, about 100 yards southeast of the pump house along the Shasta River, about 1.9 miles (air) south of Highway 99/97 Cutoff, about 6 miles (air) east-southeast of Grenada 776 Comment
  HSC19061  Galium triflorum J. O. Sawyer 1969-8-1 1621 Siskiyou NE facing slope near Duck Lake Creek. 1799 Comment
  HSC23549  Galium triflorum J. O. Sawyer 1970-7-4 2320 Siskiyou S of Cedar Flat Cabin 1494 Comment
  UC166165  Garrya fremontii Geo. D. Butler 1910-3-10 1125 Siskiyou near Yreka Comment
  CAS-BOT-BC182250  Garrya fremontii C. B. Wolf 1932-7-14 3868 Siskiyou 4 miles above junction of McClous road with Pacific Highway. Planted in flat, Rancho Santa Ana Botanic Garden 1188 Comment
  SEINET3144595  Garrya fremontii G. D. Butler 1910-3-12 1125 Siskiyou Hill near Yreba 1067 Comment
  HSC67133  Gaultheria ovatifolia J. P. Smith, Steve Selva 1970-7-15 4350 Siskiyou Klamath National Forest, road to Happy Camp. 732 Comment
  HSC65346  Gaultheria ovatifolia Rich White 218 Siskiyou E of Sawtooth Trail and N of Dillon Trail 1502 Comment
  HSC92090  Gayophytum diffusum subsp. parviflorum Jennifer Whipple 1976-7-9 1382 Siskiyou Dale Creek Drainage on the N face of Mt. Eddy 2195 Comment
  JEPS25588  Gayophytum diffusum subsp. parviflorum Rimo Bacigalupi 1959-7-2 7220 Siskiyou headwaters or iver near Caribou Mtn. (just s of low divide (Trinity Co. boundary) separating Coffee Creek drainage from that of Salmon River); South Fork of the Salmon River, Big Flat Campground 1508 Comment
  JEPS27560  Gayophytum diffusum subsp. parviflorum Ruby Van Deventer 1938-7-31 263 Siskiyou about 12 air mi nw Happy Camp; Poker Flat 1219 Comment
  JEPS83832  Gayophytum diffusum subsp. parviflorum Wayne Roderick July 1978 Siskiyou Cook and Green Pass Siskiyou Mts., vicinity of Cook and Green Pass (s side, edge of road) 1463 Comment
  UC873638  Gayophytum diffusum subsp. parviflorum P. A. Munz 1941-9-10 16307 Siskiyou above Horse Camp Creek (near); Mt. Shasta Comment
  POM254607  Gayophytum diffusum subsp. parviflorum W. Bridge Cooke 1940-8-22 15485 Siskiyou Mount Shasta: Squaw Valley Creek meadows 2439 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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  RSA34393  Gayophytum diffusum subsp. parviflorum W. Bridge Cooke 1947-8-9 17791 Siskiyou Around Horse Camp, Mount Shasta. 2439 Comment
  UCR131606  Gayophytum humile L. C. Wheeler 1934-6-22 2770 Siskiyou Siskiyou Mtns., Cottonwood Creek 1006 Comment
  HSC96860  Gentiana newberryi var. newberryi Gordon Leppig, J. Cromwell 1997-7-25 577 Siskiyou Klamath National Forest, Russian Wilderness, cirque W of Little Duck Lake 2200 Comment
  HSC29223  Gentiana plurisetosa Frederick W. Oettinger 1968-8-3 373 Siskiyou Marble Mtn. Wilderness Area, 'Base Camp', mid-slope between Diamond and Hancock Lake 2012 Comment
  UC172723  Geum aleppicum Katharine Brandegee 1887-7-1 Siskiyou Sisson 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
  JEPS44105  Gilia capitata subsp. capitata W. B. and V. G. Cooke 1965-7-12 35168 Siskiyou throughout rest area at turnout along US 97 n Whitney Creek (Mt. Shasta); , n of Whitney Creek 1371 Comment
  JEPS83579  Glyceria borealis Dean Wm. Taylor, Glenn L. Clifton, R. Doug Stone 1987-8-6 9243 Siskiyou Porcupine Lake 1304 Comment
  HSC89802  Glyceria elata D. K. Imper 1987-7-21 Siskiyou Marble Mtn. Wilderness, 8 mi. E of Somes Bar 1372 Comment
  RSA238997  Glyceria striata Frederick W. Oettinger 1969-9-4 1651 Siskiyou Tobacco Lake. Salmon Mountains High Lake Basin in the vicinity of English Peak. Marble Mountain Wilderness Area. 1890 Comment
  CDA5883  Gnaphalium canescens subsp. thermale E. Hale 1983-9-6 Siskiyou 6104 Pinebrook Lane, Yreka. 0 Comment
  CDA6026  Gnaphalium palustre T. C. Fuller 1962-8-3 9511 Siskiyou Siskiyou Mountains: Gravel bar of Beaver Creek at the mouth of Raggedass Gulch, 5 miles north of the Klamath River. 0 Comment
  UC885859  Gratiola ebracteata Louis C. Wheeler 1935-6-13 3570 Siskiyou Greenview , Greenview (Scott Valley) 883 Comment
  POM215865  Gratiola ebracteata Louis C. Wheeler 1935-6-13 3570 Siskiyou Greenview, Scott Valley. 884 Comment
  HSC4414  Grayia spinosa R. C. Wunner 1965-6-13 157 Siskiyou Lava Beds National Monument, Petroglyph Section, S face 1220 Comment
  SEINET12578750  Hackelia bella H. M. Hall 1909-1 8599 Siskiyou Salmon Mountains, Preachers Peak, Dorleska [Mine]. 2000 Comment
  UC1408782  Hackelia bella Frederick W. Oettinger 1968-8-11 476 Siskiyou 30 yards se of Tom Taylor Cabin (High Lake Basins in Vicinity of English Peak); Salmon Mountains, Marble Mountain Wilderness Area 2026 Comment
  JEPS55564  Hackelia californica W. L. Jepson 1940-6-30 20065 Siskiyou 6 mi e of McCloud (Fowlers Camp); McCloud River 944 Comment
  HSC22137  Hackelia micrantha J. O. Sawyer 1969-7-3 1040 Siskiyou Near Lipstick Lake 1951 Comment
  JEPS55573  Hackelia micrantha Geo. D. Butler 1908-8-6 13 Siskiyou head of Independence Creek (Whiskey Camp); , Whiskey Camp 1676 Comment
  UCR39975  Hackelia micrantha L. P. Janeway 1983-7-31 470 Siskiyou Poker Flat 1524 Comment
  HSC29348  Hackelia micrantha Frederick W. Oettinger 1968-9-2 667 Siskiyou Marble Mtn. Wilderness Area, base of cliffs, SW of Upper English Lake 1875 Comment
  POM215855  Hackelia micrantha L. C. Wheeler 1934-8-9 3077 Siskiyou Head of Jaynes Canyon. Siskiyou Mts. (Mt. Diablo Mer.) 1921 Comment
  RSA495512  Hackelia setosa Elaine Joyal, D. Mehlman 1988-6-25 1271 Siskiyou Happy Camp - Takilma road at turn-off to Bolan Lake 1524 Comment
  HSC44848  Hastingsia alba J. P. Smith, Steve Selva 1970-6-15 3984 Siskiyou 1 mi. W of junction of Hwy. 3 and Rd. 8 leading to Sugar Creek 1159 Comment
  HSC58940  Hastingsia alba Marvin Butler 1971-7-8 21 Siskiyou Near Bell Echo Camp 1433 Comment
  HSC81616  Hastingsia alba Thomas W. Nelson, Jane P. Nelson 1980-7-19 6208 Siskiyou Along USFS Rd. 40N17 1.0 mi. from junction with Callahan-Cecilville Rd. 1585 Comment
  CAS-BOT-BC504624  Hastingsia alba Elizabeth McClintock; Wayne Roderick; Martha Roderick 1967-7-28 s.n. Siskiyou Gumboot Lake, Trinity Mts. 1828 Comment
  SEINET8480293  Hastingsia alba W. Roderick 1967-7-27 s.n. Siskiyou Gumboat Lake, SW of Mt. Eddy. 1829 Comment
  CAS-BOT-BC306752  Helenium bigelovii Doris K. Kildale 1928-8-18 6471 Siskiyou Head of north fork of Salmon River at Finleys Upper Camp Comment
  UC1408925  Helenium bigelovii Frederick W. Oettinger 1968-8-12 492 Siskiyou Tobacco Lake trail Salmon Mountains, Marble Mountain Wilderness Area 1889 Comment
  UC179527  Helenium bigelovii A. A. Heller 1914-8-28 11733 Siskiyou Mt. Eddy 2133 Comment
  CAS-BOT-BC309577  Helenium puberulum Carl B. Wolf 1927-8-26 1098 Siskiyou On the Klamath River, 14 mi. above Happy Camp Comment
  HSC103499  Helianthella californica var. shastensis Thomas W. Nelson, Jane Nelson 1985-6-19 Siskiyou In and about Scott Mountain Campground. 1646 Comment
  CAS-BOT-BC305569  Helianthus bolanderi Louis C. Wheeler 1934-10-6 3311 Siskiyou Shasta Valley 2 mi. SE Yreka 853 Comment
  CAS-BOT-BC305579  Helianthus bolanderi A. A. Heller 1916-9-1 12640 Siskiyou Near Yreka Comment
  CAS-BOT-BC313465  Hemizonella minima Doris K. Kildale 1928-7-4 5492 Siskiyou Summit of divide between Salmon River to Scott Valley Comment
  RSA237822  Heracleum maximum Frederick W. Oettinger 1967-8-3 237 Siskiyou Along trail SE side of Hancock Lake. The Salmon Mtns. High lake basins in the vicinity of English Peak. Marble Mtn Wilderness Area. 1936 Comment
  HSC86379  Hesperochiron californicus J. O. Sawyer 1983-6-20 4224 Siskiyou .1 mi. E of Scott Mtn. summit on Pacific Coast Trail Comment
  JEPS93876  Hesperolinon micranthum Vernon H. Oswald and Lowell Ahart 1998-7-21 9315 Siskiyou 2.2 mi ne of Lake Shastina-Big Springs Road ne of Weed (Shasta National Forest plantation on the w side of Highway 97); Shasta National Forest, Highway 97 975 Comment
  UC1212409  Hesperolinon micranthum Leo Whitney 1934-6-20 1835 Siskiyou cutover land near Lower Sheep Well (25 mi ne of Tennant) 1524 Comment
  HSC77759  Heterocodon rariflorum L. P. Janeway 1983-9-11 672 Siskiyou Poker Flat 1524 Comment
  JEPS125901  Heterotheca oregona var. rudis Dean W. Taylor 1996-7-23 15817 Siskiyou Klamath National Forest; Patterson Creek headwaters, ca 6 air miles NW of Etna Comment
  POM52143  Heterotheca oregona var. rudis Geo D. Butler 1910-7-16 1790 Siskiyou Oro Fino Comment
  CAS-BOT-BC312302  Heterotheca villosa var. minor Gilbert Muth 1965-7-28 311 Siskiyou Ridge near Marble Mt. Lookout Comment
  UCD77769  Heuchera cylindrica Robert E. Preston 2001-6-30 1650 Siskiyou Klamath National Forest, north slope of Rainbow Mountain, T42N R1W nw 1/4 of se 1/4 Section 14 1889 Comment
  HSC86361  Heuchera cylindrica J. O. Sawyer 1983-7-7 4229 Siskiyou Top of Medicine Mtn. 2085 Comment
  CAS-BOT-BC420706  Heuchera merriamii Ira L. Wiggins 1955-7-27 13561 Siskiyou Caribou Lake, Salmon-Trinity Alps Primitive Area 2042 Comment
  CHSC99993  Heuchera merriamii L. P. Janeway 2008-7-26 9507 Siskiyou Klamath Ranges. Between Castle Crags, Trinity Mountains, and The Eddys; about 200 m west-southwest of Heart Lake and about 0.8 km south of Castle Lake. 1901 Comment
  UC705562  Heuchera merriamii Marion Ownbey, Fred G. Meyer 1940-7-6 2203 Siskiyou w side Cayenne Ridge (at summit); Marble Mountain Comment
  RSA0076250  Heuchera merriamii M. B. Dunkle 1945-7-19 9224 Siskiyou Klamath National Forest; Marble Mts. Comment
  HSC22256  Heuchera rubescens J. O. Sawyer 1969-7-24 1487 Siskiyou NE facing seep SW of Sugar Lake 1890 Comment
  HSC61159  Heuchera rubescens Al Hobart 1967-8-8 Siskiyou El Capitan Comment
  UCD19520  Heuchera rubescens Charlotte K. Glenn 1967-1 137 Siskiyou Castle Lake 1584 Comment
  UCD77771  Hieracium horridum Robert E. Preston 2001-8-26 1772 Siskiyou Klamath National Forest, Rainbow Mountain 2072 Comment
  CAS-BOT-BC316017  Hieracium nudicaule Alice Eastwood 1921-7-29 10976 Siskiyou Bear Spring on road to Medicine Lake Comment
  UC455914  Hieracium nudicaule I. J. Condit 1911-7-15 Siskiyou McCloud Comment
  UC897886  Hieracium nudicaule Alice Eastwood 1912-7-15 1083 Siskiyou McCloud Comment
  CAS-BOT-BC316032  Hieracium scouleri Annie M. Alexander; Louise Kellogg 1949-7-20 5812 Siskiyou Paradise Lake, Marble Mountains 1920 Comment
  HSC36469  Hieracium scouleri J. O. Sawyer 1968-7-22 526 Siskiyou Between Handcock and Diamond Lakes 1951 Comment
  HSC36471  Hieracium scouleri J. O. Sawyer 1969-8-1 1643 Siskiyou SE facing slope above Duck Lake Creek 1951 Comment
  OBI55426  Hieracium scouleri David J. Keil 1992-7-20 23485 Siskiyou Klamath NF, W of Fort Jones .Along forest rd 44N45, 1.4 mi S of Scott river rd, 0.1 mi S of Boulder Crk trl head 1000 Comment
  RSA238742  Hieracium scouleri Frederick W. Oettinger 1969-9-3 1609 Siskiyou Shasta Ridge below English Peak. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2073 Comment
  RSA275402  Hieracium scouleri J. O. Sawyer, E. Cope 1977-6-18 2909 Siskiyou Along Clear Creek trail below Ten Mile Creek. 457 Comment
  UC1313023  Hieracium triste J. M. Tucker and L. K. Mann 1963-8-19 3783 Siskiyou headwaters of Canyon Creek; Marble Mountain Wilderness Area 1920 Comment
  HSC30308  Holcus lanatus William J. Ferlatte 1966-8-16 373 Siskiyou Big Flat, between campground and S Fork of the Salmon River. 1524 Comment
  RSA181618  Holodiscus discolor Dorothy Parker 1950-8-6 489 Siskiyou Dry granite rocks, Salmon Mt. 1799 Comment
  RSA237609  Holodiscus discolor Frederick W. Oettinger 1968-8-13 503 Siskiyou Southeast side of Hancock Lake. Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1936 Comment
  CAS-BOT-BC152365  Holodiscus discolor var. discolor L. R. Short 1933-6-16 39 Siskiyou Klamath River 609 Comment
  HSC90620  Holodiscus microphyllus var. glabrescens Jennifer Whipple 1977-8-5 2181 Siskiyou Wagon Creek drainage on E face of Mt. Eddy 2317 Comment
  JEPS95114  Holodiscus microphyllus var. glabrescens Vernon Oswald and Lowell Ahart 1997-7-28 8773 Siskiyou 16 mi s of Medicine Lake (Forest Route 49 (Powder Hill Road) at 41N03 to Porcupine Butte); Forest Route 49 1365 Comment
  SDSU9087  Holodiscus microphyllus var. glabrescens D. F. Howe 1964-8-4 3933 Siskiyou Probably Modoc or Shasta National Forest., 9.0 miles from entrance to Lava Bed National Monument. 2042 Comment
  CDA16144  Holosteum umbellatum G. F. Hrusa 1999-4-2 14934 Siskiyou Cascade Range; Louise Rd exit off I-5 on Louise Rd east turnout. 822 Comment
  RSA591657  Hordeum brachyantherum L. C. Wheeler 1934-8-14 3133 Siskiyou North side White Mt., Siskiyou Mts., Mt. Diablo Mer. 1768 Comment
  UC186573  Horkelia daucifolia J. G. Lemmon and Mrs. J. G. Lemmon 1889-6-28 Siskiyou near Edgewood (n California); U. S. Pacific Slope; near Edgewood Comment
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Mar 14 2015
  RSA120910  Horkelia daucifolia Milo S. Baker 1957-6-16 13170 Siskiyou Trip to Scott Mt. after turn off near Callahan. Comment
  RSA256593  Horkelia daucifolia J. P. Smith 1974-5-25 7509 Siskiyou 2.4 miles west of its jct. with State Route 3. 976 Comment
  SEINET6755777  Horkelia daucifolia G. D. Butler 1910-5-4 1272 Siskiyou Dry hill near Yreka. Comment
  CAS-BOT-BC205182  Horkelia hendersonii James R. Shevock; Barbara Williams 1987-8-17 11803 Siskiyou Klamath Ranges. Below Dry Lake Mountain Lookout site along forest road 40S01 2011 Comment
  UCD113561  Horkelia tridentata Steve Morgan 1987-7-28 s.n. Siskiyou McGinnis Springs, 5 mi. NW of McCloud, Shasta-Trinity National Forest, S of Mt. Shasta. 1767 Comment
  UC545659  Horkelia tridentata subsp. tridentata Alice Eastwood and John Thomas Howell 1934-4-20 Siskiyou Weed Comment
  CAS-BOT-BC538241  Horkelia tridentata var. flavescens Roxana S. Ferris; Laura Lorraine 1948-6-12 11792 Siskiyou Scott Mountain Road south of Callahan Comment
  CAS-BOT-BC201127  Hosackia crassifolia A. A. Heller 1905-6-5 7972 Siskiyou Along the Sacramento a short distance below Shasta Springs. Between Shasta Retreat and Shasta Springs Comment
  HSC22219  Hosackia crassifolia J. O. Sawyer 1969-6-11 821 Siskiyou Near C.C.C. road, in Horse Range Creek drainage 1360 Comment
  CAS-BOT-BC312572  Hulsea nana R. H. Bohmannson 1926-7-1 s.n. Siskiyou Mt. Shasta Comment
  UC134349  Hulsea nana E. B. Copeland 1903-8-16 3832 Siskiyou Mt. Shasta 3200 Comment
  UCSB24801  Hydrophyllum tenuipes Keefe, Joseph 1967-7-11 Siskiyou Along trail to Little Castle Lake; 1.0 mile southeast of Castle Lake; 10 miles south of the city of Mt. Shasta 1828 Comment
  HSC68559  Hypericum anagalloides Maralyn A. Renner 1980-6-26 1167 Siskiyou Flint Valley. 1390 Comment
  HSC99601  Hypericum anagalloides William J. Ferlatte 1966-6-23 142 Siskiyou Big Flat, between campground and S Fork of the Salmon River 1524 Comment
  RSA15599  Hypericum perforatum C. B. Wolf 1927-8-27 1108 Siskiyou On the Klamath River, Happy Camp. Comment
  SEINET3157535  Hypericum scouleri G. D. Butler 1910-7-3 1627 Siskiyou Goosenest foothills 1219 Comment
  CAS-BOT-BC88618  Idahoa scapigera L. E. Smith 1913-4-22 89 Siskiyou Yreka. Comment
  POM95938  Idahoa scapigera Geo. D. Butler 1909-2-14 571 Siskiyou Near Yreka. Comment
  CAS-BOT-BC206831  Iliamna bakeri L. Constance 1940-7-12 15337 Siskiyou Along Memorial Highway, Mount Shasta. 1524 Comment
  HSC45997  Ipomopsis aggregata J. P. Smith, Steve Selva 1970-7-18 4490 Siskiyou Hanging bog at Kangaroo Lake. 1890 Comment
  JEPS815  Ipomopsis aggregata Geo. D. Butler 1909-6-22 945 Siskiyou Goosenest Mtn Comment
  SD46431  Ipomopsis aggregata E. K. Balls, L. W. Lenz 1956-6-18 21803 Siskiyou 4.4 miles east of McCloud, State Highway 89. 1036 Comment
  UC195395  Ipomopsis aggregata A. A. Heller 1914-8-26 11720 Siskiyou Weed 1066 Comment
  RSA469532  Ipomopsis aggregata M. B. Dunkle 1944-7-14 9133 Siskiyou Siskiyou National Forest, Sierra Nevada Mountains. 1767 Comment
  UCD118229  Ipomopsis aggregata J. M. Tucker 1948-8-2 1758 Siskiyou McCloud Cemetery, 2 miles south of McCloud. Comment
  UC1040721  Ipomopsis congesta W. Bridge Cooke 1956-7-16 30294 Siskiyou above Hotlum Station (along old logging rd); Moutn Shasta, n side 1524 Comment
  RSA366780  Iris Anstruther Davidson 1930-1-20 s.n Siskiyou Siskiyou County Kessler [? Illeg] Comment
  JEPS17240  Iris tenuissima W. L. Jepson 1940-7-3 20094 Siskiyou Bartle 1188 Comment
  SEINET3875941  Iris tenuissima Mary Merello, H. H. Schmidt; L. Woodruff 1993-6-22 694 Siskiyou Sasta National Forest outside of Mt. Shasta City. Along Forest Service Road 26 to Lake Siskiyou.; 0 1090 Comment
  CAS-BOT-BC88667  Isatis tinctoria Ynez Whilton Winblad 1941-6-30 s.n. Siskiyou Between Oregon line and Yreka. Comment
  NY411181  Isatis tinctoria F. M. Ownbey 1940-7-7 2208 Siskiyou Soap Ridge road, southwest of Yreka Comment
  CAS-BOT-BC88663  Isatis tinctoria Marion Ownbey; Fred G. Meyer 1940-7-7 2208 Siskiyou Soap Ridge Road, southwest of Yreka. Comment
  CAS-BOT-BC88666  Isatis tinctoria William Bridge Cooke 1940-6-20 15150 Siskiyou Along the Pacific Highway in the Klamath River gorge. 609 Comment
  CHSC114666  Isatis tinctoria D. B. Joley 1976-6-24 Siskiyou Lake Siskiyou. Comment
  HSC64125  Isatis tinctoria J. P. Smith 1973-5-5 6526 Siskiyou Scott Bar along the Scott River Comment
  HSC85890  Isatis tinctoria S. Matthews, M. Goering, R. James 1985-5-4 50 Siskiyou Persidio Bar on Hwy. 96, near Klamath River 235 Comment
  SEINET5342454  Isatis tinctoria T. H. Gilbert s.n. Siskiyou Scott Valley. Comment
  HSC28733  Isoetes bolanderi Frederick W. Oettinger 1969-7-29 1095 Siskiyou Marble Mtn. Wilderness Area, Dry Lake 2027 Comment
  JEPS100303  Isoetes bolanderi Dean W. Taylor 2001-8-28 17911 Siskiyou Mt. Shasta, Ash Creel Butte, Suprise Lake 2057 Comment
  HSC103153  Isoetes echinospora Dana York 2014-10-11 3225 Siskiyou Klamath National Forest, Marble Mountain Wilderness, Chinquapin Lake above Deep Lake. 2180 Comment
  CAS-BOT-BC69863  Isoetes occidentalis Louis C. Wheeler 1963-9-11 8385 Siskiyou Siskiyou Mountains: Dillon Creek, 3/4 mi. ne. of Sawtooth Mountain. 1615 Comment
  HSC101884  Isoetes occidentalis Dana York 2011-9-9 3096 Siskiyou Klamath National Forest, a few meters inside Marble Mountain Wilderness at Isinglass Lake. 1985 Comment
  SEINET8198344  Isoetes occidentalis D. W. Taylor 2002-7-27 18282 Siskiyou Scott Mountains, small pond in Grouse Creek drainage, Scott River Watershed, Scott Mountains 1509 Comment
  CDA8048  Iva axillaris T. C. Fuller 1960-7-26 4879 Siskiyou Sam s Neck, ca. 10 miles southwest of Dorris. 0 Comment
  JEPS109907  Ivesia pickeringii Dean W. Taylor 1996-7-11 15781 Siskiyou Scott Mountains; West Fork Parks Creek (about 15 air miles west of Weed & 1 air mile west of Stewart Springs); Shasta-Trinity National Forest 1328 Comment
  UC1265334  Juncus Frederick W. Oettinger and R. F. Thorne 1969-8-8 1299 Siskiyou due w English Lake camp (Sundew Bog, vicinity of English Peak, w Siskiyou County); Salmon Mountains, Marble Mountain Wilderness Area, Sundew Bo 1828 Comment
  CHSC40151  Juncus balticus L. P. Janeway 1983-8-28 639 Siskiyou At Poker Flat, a meadow. Middle of lower portion of meadow. 1524 Comment
  JEPS74128  Juncus balticus Geo. D. Butler 1910-5-26 1409 Siskiyou Yreka Comment
  HSC92707  Juncus balticus subsp. ater Jennifer Whipple 1976-7-8 1356 Siskiyou Along drainage into SW side of Dobkins Lake 2195 Comment
  JEPS66924  Juncus bufonius Geo. D. Butler 1908-7-9 874 Siskiyou near Yreka Comment
  RSA577437  Juncus bufonius var. bufonius L. C. Wheeler 1935-6-27 3616 Siskiyou Greenview, Scott Valley. 884 Comment
  RSA368327  Juncus drummondii L. C. Wheeler 1934-8-9 3088 Siskiyou Siskiyou Mountains: Head of Jaynes Canyon. 1981 Comment
  HSC61119  Juncus ensifolius Ruby Van Deventer 1955-8-1 Siskiyou FS Rd. 17N04, Del Norte Bog near Doe Flat 915 Comment
  POM250715  Juncus ensifolius D. D. Keck 1938-8-8 4865 Siskiyou Siskiyou County at Trinity County line; Scott Mountain Divide, between Scott Mountain and Craggy Peak. 1677 Comment
  JEPS81650  Juncus hemiendytus var. hemiendytus L. R. Heckard with L. Constance and R. Ornduff 1969-6-24 2308 Siskiyou ca. 3 mi. n.e. Little Deer Mt.-The Whaleback Quad. (along rd. to Hoffman Mill, 1.2 mi from U.S. Hwy 97) 1554 Comment
  UC1021826  Juncus howellii J. M. Tucker 1950-7-24 1952 Siskiyou ca 6 mi nw Pilgrim Creek Experiment Station (beside Cold Creek at the Military Road crossing, e side Mount Shasta); Mount Shasta, Cold Creek Comment
  LA20046  Juncus mertensianus F. J. Hermann; 1939-8-8 13818 Siskiyou Mount Shasta, around the upper Horse Camp Springs 2514 Comment
  JEPS63824  Juncus mexicanus B. C. Goldsmith 1916-9-29 34 Siskiyou Medicine Lake Comment
  RSA142676  Juncus nevadensis Phillip A. Munz 1960-8-22 24175 Siskiyou Panther Meadows, Mt. Shasta. 2317 Comment
  HSC71132  Juncus nevadensis var. nevadensis Thomas W. Nelson, Jane Nelson, J. P. Smith 1978-7-24 4496 Siskiyou Along W side of Hwy. 3 just N of Scott Mtn. Summit 1616 Comment
  JEPS74120  Juncus occidentalis Geo. D. Butler 1910-7-9 1697 Siskiyou Shackleford Creek 1219 Comment
  RSA238904  Juncus occidentalis Frederick W. Oettinger 1969-8-24 1526 Siskiyou Mid-way between the English Lake main camp and Sundew Bog due west of the camp. Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1799 Comment
  HSC69218  Juncus orthophyllus Maralyn A. Renner 1980-8-31 2625 Siskiyou Twin Valley. 1494 Comment
  JEPS94883  Juncus tiehmii Vernon H. Oswald and Lowell Ahart 1998-7-21 9362 Siskiyou e of Grass Lake (ne of Weed, and w of Bray on Old State Highway 0.8 mi e of Tennant Road); Old State Highway 1417 Comment
  CAS-BOT-BC81139  Juniperus communis W. B. C. 1938-8-22 11599 Siskiyou South [Slope] slope of Diller Canyon, on the north slopes of Shastina and Shasta 2743 Comment
  RSA697391  Juniperus communis W. Lane 1938-07 s.n. Siskiyou Siskiyou Mountains 1220 Comment
  HSC31503  Juniperus communis var. saxatilis Steve Selva, Roger Jensen 1974-8-25 51 Siskiyou Top of ridge S of Little Duck Lake Comment
  CAS-BOT-BC81221  Juniperus occidentalis Copeland 1903-7-4 3545 Siskiyou Klamatha Comment
  CAS-BOT-BC81239  Juniperus occidentalis John Thomas Howell; T. C. Fuller; G. D. Barbe 1980-4-29 53420 Siskiyou east side of Scott Valley, 10 miles south of Fort Jones on road to Callahan 853 Comment
  HSC1276  Juniperus occidentalis R. C. Wunner 1965-6-18 207 Siskiyou Indian Well Campground, Lava Beds National Monument 1433 Comment
  UC1733769  Juniperus occidentalis Frank Gould, Kay H. Beach 1940-5-15 1246 Siskiyou Meadows and Goosenest Mtn 1828 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
  RSA592549  Juniperus occidentalis var. occidentalis S. O. Mattoon 1976-6-19 36 Siskiyou Gazelle Callahan Road; 6.7 miles W of Callahan 1128 Comment
  SEINET11058377  Juniperus occidentalis var. occidentalis D. Charlet, T. Charlet 1996-11-25 2346 Siskiyou Siskiyou Mountains., Klamath River, S slope above and N of river. 585 Comment
  SEINET7852090  Kalmia microphylla Unknown 1974-1 48 Siskiyou Little Duck Lake, Siskiyou Co., T40N, R9W, Sec. 19. Meadow at West end of Little Duck Lake. Enriched Mixed Conifer Forest. Comment
  HSC4843  Kalmia polifolia J. O. Sawyer 1968-7-23 567 Siskiyou Along trail from Brown's Valley to Caribou Basin including areas around Snowslide Lake and Caribou Lake. 1829 Comment
  RSA760543  Kalmia polifolia R. F. Thorne, Frederick W. Oettinger 1969-8-4 63367 Siskiyou Klamath National Forest, Salmon Mountains, Marble Mountain Wilderness Area, high lake basins in the vicinity of English Peak 2072 Comment
  SDSU2874  Kalmia polifolia Harvey 1939-7-28 2499 Siskiyou Mt. Shasta. Comment
  HSC61178  Keckiella corymbosa Ruby Van Deventer 1960-7-14 Siskiyou Dillon Creek Comment
  NY790303  Keckiella corymbosa D. C. Michener 1980-8-3 3772 Siskiyou Klamath Mountains. Along CA 96 and the Klamath River ca. 5.5 miles south of Happy Camp. 365.8 Comment
  CAS-BOT-BC246179  Keckiella lemmonii Geo. B. Grant 1902-9-13 5189 Siskiyou Dunsmuir Comment
  NY790360  Keckiella lemmonii D. D. Keck 1927-8-17 1265 Siskiyou West flank of Mt. Shasta, (4½ miles from Mt. Shasta City on Horse Camp trail) 1828.8 Comment
  NY790362  Keckiella lemmonii A. Eastwood 1912-7-23 1348 Siskiyou Cantara Comment
  HSC67645  Kelloggia galioides J. P. Smith, Steve Selva 1970-7-17 4473 Siskiyou Below Kangaroo Lake. 1890 Comment
  JEPS25592  Kelloggia galioides Rimo Bacigalupi with George Bacigalupi Jr. 1959-7-2 7224 Siskiyou near n base Caribou Mtn. (Big Flat Campground, headwaters of South Fork of the Salmon River, just s of low divide (Trinity Co. boundary)); South Fork of the Salmon River 1508 Comment
  SEINET10606857  Koeleria macrantha Louis C. Wheeler 1935-6-30 Wheeler 3630 Siskiyou Dry subsaline adobe flat. 3 mi. S. Grenada, Shasta Valley. 792 Comment
  CAS-BOT-BC273777  Koeleria pyramidata Elmer I. Applegate 1935-6-8 9443 Siskiyou Bearpaw Cave, Lava Beds National Monument Comment
  CAS-BOT-BC499655  Kopsiopsis strobilacea J. H. Thomas 1954-5-14 4184 Siskiyou Salmon Mountains, Klamath National Forest (sw part of county). Near South Fork of Salmon River, 5--9 mi SE of Cecilville, along N side of river 1219 Comment
  CAS-BOT-BC341702  Lagophylla ramosissima H. M. Hall 1919-10-2 s.n. Siskiyou Near Weed Comment
  OBI55436  Lagophylla ramosissima David J. Keil, Kathleen Keil 1992-7-20 23496 Siskiyou Klamath NF, W of Fort Jones. Along Forest Rd 44N45, 4.4 mi S of Scott river rd Comment
  CAS-BOT-BC204988  Lathyrus jepsonii var. californicus Geo. D. Butler 1910-7-6 1644 Siskiyou Shackleford Creek 914 Comment
  UC375398  Lathyrus nevadensis var. nevadensis Geo. D. Butler 1908-8-10 398 Siskiyou Shackleford Creek Comment
  SEINET184714  Lathyrus polyphyllus C. L. Hitchcock, JS Martin 1939-7-3 5209 Siskiyou Open hillside on Takilma-Happy Camp road 1676 Comment
  HSC60891  Leersia oryzoides Ken Stillman 1976-8-24 433 Siskiyou Along Klamath River at Williams Point. 366 Comment
  CHSC91370  Lemna minuta Lowell Ahart; John Dittes 2005-6-10 12110 Siskiyou At intake pipe, at 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-BC88862  Lepidium campestre Dorothy Parker 1946-6-6 s.n. Siskiyou Plowman's Valley. 1188 Comment
  CHSC4184  Lepidium campestre R. Carter 1966-5-15 399 Siskiyou McConnahue Gulch, 4.5 mi. SE of Etna, in driveway of Parker home; along W side of driveway. 914 Comment
  CDA36979  Lepidium campestre CDFA Staff 12 Siskiyou Mt. Shasta. 0 Comment
  HSC27473  Lepidium campestre J. P. Smith, J. O. Sawyer 1972-5-28 5362 Siskiyou 1 mi. S of Etna on Hwy. 3 915 Comment
  HSC64057  Lepidium campestre J. P. Smith, Steve Selva 1970-7-17 4427 Siskiyou Along Klamath River. Comment
  RSA605518  Lepidium campestre L. C. Wheeler 1959-7-21 7588 Siskiyou Salmon and Marble Mountains Region: Crawford Creek, ca. 1/2 mile upstream from Guard Station. Comment
  SEINET10767893 Image available Lepidium dictyotum var. acutidens Edward L. Greene 1876-4-28 Greene 725 Siskiyou Collected near Yreka. Comment
  CHSC105280  Lepidium latifolium Lowell Ahart; John Dittes 2010-7-30 16966 Siskiyou About 10 yards west 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
  CHSC72230  Lepidium latifolium Vernon H. Oswald; Lowell Ahart 1998-9-16 9646 Siskiyou Vista Point on Hwy. 161v adjacent to a marsh at the Lower Klamath NWR 8.7 mi east of Hwy. 97. Roadsides and marsh edges. 1243 Comment
  RSA0089588  Leptosiphon harknessii Dean Wm. Taylor 1987-6-23 9050 Siskiyou Vicinity of Mud Well, McCloud River headwaters. 1402 Comment
  RSA529966  Leptosiphon harknessii D. W. Taylor 1987-6-23 9050 Siskiyou Modoc Plateau: Mud Well 1394 Comment
  POM298649  Lesquerella occidentalis Lincoln Constance, H. L. Mason, J. F. Davidson, J. M. Tucker 1947-5-17 3199 Siskiyou Summit of NW spur of Scott Mountain. 183 Comment
  RSA183657  Lesquerella occidentalis Gilbert Muth 1965-8-12 219 Siskiyou Behind Black Mtn, Marble Mtns. Comment
  SEINET11990952  Leucothoe davisiae I. Knight, Knight, W. 1983-1 4934 Siskiyou Outflow of Cliff Lake.Upper Sacramento River watershed 1768 Comment
  POM255861  Lewisia cotyledon Marion Ownbey, Ruth Ownbey 1938-7-19 1751 Siskiyou Summit of the Siskiyou Mountains, 2.5 miles northwest of Dry Lake Lookout Comment
  CAS-BOT-BC444044  Lewisia cotyledon var. cotyledon Edna Kelsey 1961-8-1 s.n. Siskiyou Marble Mts., Cuddyhi Lake [Cuddihy Lakes] Comment
  HSC65349  Lewisia leeana Rich White 1978-7-3 214 Siskiyou Saddle in Spur Ridge between Dillon Trail and 5759 1662 Comment
  CAS-BOT-BC444085  Lewisia leeana Doris K. Kildale 1915-8-26 12218 Siskiyou Near the source of Wagon Creek, Mt. Eddy 2590 Comment
  RSA237331  Lewisia leeana Frederick W. Oettinger 1967-7-8 166 Siskiyou Near Big Blue Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2104 Comment
  UCD101616  Lewisia leeana J. M. Tucker 1963-7-8 3731 Siskiyou 1 mile south of Paradise Lake, Marble Mountains Wilderness Area. Beside trail to Marble Valley. 1981 Comment
  CAS-BOT-BC444193  Lewisia nevadensis G. J. Muth 1969-8-8 1294 Siskiyou Gap Meadow, Boulder Peak Ridge 2286 Comment
  HSC4448  Lewisia nevadensis William J. Ferlatte 1967-6-30 584 Siskiyou Along the S Fork of the Salmon River, between the campground and Carter's 1524 Comment
  SJSU2553  Lewisia nevadensis H. L. Buckalew 1962-7-9 Siskiyou Poker Flat c. 3 mi W of junction of Indian Cr with W Branch Indian Cr, Siskiyou Mts 1082 Comment
  HSC4449  Lewisia triphylla William J. Ferlatte 1966-6-22 74 Siskiyou Josephine Lake Basin 1677 Comment
  UCD64231  Leymus cinereus Beecher Crampton 1969-6-19 8466 Siskiyou 1.5 mi. south of Grenada. Comment
  HSC77243  Ligusticum californicum L. P. Janeway 1983-8-16 541 Siskiyou Poker Flat 1524 Comment
  RSA261387  Ligusticum californicum J. M. Tucker 1974-7-28 4313 Siskiyou Adjacent to camp at Haypress Meadows, Marble Mountain Wilderness Area. 1463 Comment
  SEINET10469573  Lilium kelleyanum Mary Susan Taylor 1980-7-8 Taylor 3099 Siskiyou T39N R5W ne sec 24, Dunsmuir quad; Shasta-Trinity Natl Forest; on NW side of Castle Lake, along edge of lake. 1615 Comment
  SEINET3887237  Lilium kelleyanum J. P. Smith, Steve Selva 1970-7-17 4448 Siskiyou Stream and hanging bog below Kangaroo Lake.; 0 1890 Comment
  UC164415  Lilium pardalinum Geo. D. Butler 1909-7-20 886 Siskiyou Highland Mine Comment
  SEINET3887240  Lilium pardalinum Alv Dan Youngberg 1964-6-14 69 Siskiyou Humbolt Meridian.; 0 427 Comment
  RSA184800  Lilium pardalinum subsp. vollmeri Gilbert Muth 1966-7-19 422 Siskiyou Marble Gap Trail. Along first bluff. Marble Mountains. 1829 Comment
  HSC77935  Lilium pardalinum subsp. wigginsii D. K. Imper 1982-7-22 1502 Siskiyou Near Flint Valley 1402 Comment
  CAS-BOT-BC133028  Lilium washingtonianum subsp. purpurascens Wayne Roderick 1967-7-23 s.n. Siskiyou Between Lily Pad Lake and Cook & Grass Pass 1676 Comment
  JEPS58261  Linanthus bolanderi Geo. D. Butler 1909-4-26 617 Siskiyou Oro Fino Comment
  UC164131  Linanthus bolanderi Geo. D. Butler 1909-4-26 611 Siskiyou near Oro Fino Comment
  JEPS74452  Linanthus ciliatus W. J. Ferlatte 1967-6-27 537 Siskiyou Big Flat, near public camp Trinity Alps 1524 Comment
  UC56698  Linanthus ciliatus Harley P. Chandler Jun 1901 1671 Siskiyou Marble Mountain North Coast Ranges 2438 Comment
  SEINET12279054  Linanthus ciliatus H. P. Chandler 1901-1 1671 Siskiyou Marble Mountain 2438 Comment
  UCSB29033  Linanthus ciliatus var. ciliatus C. Hardham 1961-6-30 8013 Siskiyou NEAR WHITE MOUNTAIN 1828 Comment
  UC1409392  Linanthus nuttallii Frederick W. Oettinger 1969-8-23 1516 Siskiyou vicinity English Peak (Hamilton Camp, w Siskiyou County); Salmon Mountains, Marble Mountain Wilderness Area, English P 1402 Comment
  SBBG15806  Linaria dalmatica D. Myrick 1961-6-20 285 Siskiyou Old McCloud Rd to Bear Springs, ca. 1 mi E of Mt Shasta City 1158 Comment
  CAS-BOT-BC240392  Linnaea borealis subsp. longiflora W. R. Dudley 1899-8-14 s.n. Siskiyou Near McCloud Comment
  HSC53278  Linnaea borealis subsp. longiflora Butler 1971-7-29 238 Siskiyou Near Copper Mtn. Mines, close to the town of Cave Junction. 1464 Comment
  SJSU6060  Linum lewisii R. W. Trivelpiece 1971-6-16 32 Siskiyou N of Alder Cr divide between The Whaleback & Haight Mt c. 15 mi N of Mt Shasta 1676 Comment
  RSA761684  Linum lewisii Robert F. Thorne, Frederick W. Oettinger 1969-8-4 63354 Siskiyou Klamath National Forest, Salmon Mountains, Marble Mountain Wilderness Area, high lake basins in the vicinity of English Peak. Comment
  HSC61604  Listera convallarioides Ruby Van Deventer 12 Jul [year missing] Siskiyou Lookout Mountain Comment
  CAS-BOT-BC36575  Lithocarpus densiflorus var. echinoides Wm. Bridge Cooke 1941-9-16 16321 Siskiyou along trail to Castle Lake Road 1219 Comment
  UC527340  Lithocarpus densiflorus var. echinoides C. B. Wolf 1931-9-2 Siskiyou 4 mi above junction of McCloud Road with the Pacific Highway 1188 Comment
  JEPS47678  Lithophragma campanulatum W. L. Jepson 1907-7-5 2825 Siskiyou Marble Mt. 2133 Comment
  UC673223  Lithospermum californicum Lincoln Constance and Reed C. Rollins 1942-5-12 2899 Siskiyou 12 mi s Happy Camp; California North Coast Ranges, Klamath River 304 Comment
  SEINET10903129  Lomatium dissectum LeRoy E. Detling 1947-6-4 Detling 6116 Siskiyou Slater Butte. 1067 Comment
  RSA184693  Lomatium dissectum var. multifidum Gilbert Muth 1966-7-25 447 Siskiyou Marble Mountain Lookout, Marble Mountains 2098 Comment
  JEPS97016  Lomatium engelmannii Dean W. Taylor 1997-6-12 16063 Siskiyou hillslopes at base of Scott Mountains at mouth of Willow Creek, Shasta Valley; ca. 4 miles west of Gazelle 944 Comment
  HSC22216  Lomatium macrocarpum J. O. Sawyer 1969-8-2 1711 Siskiyou Summit W of Little Duck Lake 2409 Comment
  UC595106  Lomatium macrocarpum David D. Keck 1938-8-6 4810 Siskiyou at Del Norte Co. line Poker Flat (summit of Siskiyou Mts., 4 mi. s. of Oregon line, on rd. from Waldo to Happy Camp); Siskiyou Mts., Poker Flat 1555 Comment
  CDA38466  Lomatium macrocarpum G. D. Barbe, J. T. Howell, T. C. Fuller 1980-5-21 2787 Siskiyou West of Motel 6, south of town, north of Greenhorn Creek Road, Yreka. Comment
  HSC22215  Lomatium macrocarpum J. O. Sawyer 1969-7-2 1037 Siskiyou Near summit above Lipstick Lake 2226 Comment
  POM82362  Lomatium macrocarpum Geo. D. Butler 1910-6-5 1528 Siskiyou Shackleford Creek Comment
  RSA237416  Lomatium macrocarpum Frederick W. Oettinger 1969-7-11 987 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
  HSC68484  Lomatium triternatum Maralyn A. Renner 1980-6-22 879 Siskiyou Slopes N of Little Shasta River 1372 Comment
  HSC19258  Lonicera ciliosa J. O. Sawyer 1969-6-11 869 Siskiyou Miner's Campground. Comment
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Feb 5 2013
  RSA594186  Lonicera ciliosa S. O. Mattoon 1977-6-26 61 Siskiyou Forest Road 47N03, on west side of Meiss Lake; 7 air miles NW of MacDoel. 1463 Comment
  SEINET8056605  Lonicera ciliosa G. D. Butler 1910-5-23 1395 Siskiyou Humbug Mountain. 1219 Comment
  JEPS24026  Lonicera conjugialis Rimo Bacigalupi with Drs. Reino and Aloha Alava 1958-9-3 6888 Siskiyou Poker Flat Siskiyou Mountains 1536 Comment
  UC169069  Lonicera conjugialis Harley P. Chandler 1901-6-21 1605 Siskiyou near Marble Mountain (Haypress meadows); North Coast Ranges 1981 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
  RSA150569  Lonicera conjugialis Lee W. Lenz 1961-6-23 24363 Siskiyou Summit of Siskiyou Mts., road from Happy Camp and O'Brien. Comment
  CAS-BOT-BC240843  Lonicera interrupta Dorothy Parker 1947-6-21 198 Siskiyou North slope of Gazelle Mt. 1219 Comment
  CAS-BOT-BC243924  Lonicera involucrata var. involucrata Dorothy Parker 1950-6-7 456 Siskiyou Along Scott River 853 Comment
  UC15553  Lotus crassifolius var. crassifolius Milo S. Baker 1893-8-18 Siskiyou McCloud River Comment
  UC164092  Lotus crassifolius var. crassifolius Geo. D. Butler 1910-6-6 1452 Siskiyou Quartz Valley Comment
  RSA406398  Lotus micranthus J. P. Smith 1973-5-5 6535 Siskiyou Scott Bar along the Scott River. Comment
  JEPS75370  Lotus nevadensis var. nevadensis Geo. D. Butler 1908-6-28 392 Siskiyou L. Eastlick's Ranch Oro Fino Comment
  RSA281673  Lotus oblongifolius S. O. Mattoon 1978-7-23 119 Siskiyou Wright Lakes Trail, 11 air mi. W of Fort Jones, Marble Mts. 1982 Comment
  UC725960  Lotus purshianus var. purshianus A. A. Heller 1925-7-21 13899 Siskiyou near Edgewood; Shasta Valley Comment
  HSC61603  Luetkea pectinata Ruby Van Deventer 28 Aug [year missing] Siskiyou Lookout Mtn. Comment
  JEPS50868  Luetkea pectinata Al Hobart 1967-8-8 Siskiyou n side Preston Peak Comment
  RSA760541  Luetkea pectinata Robert F. Thorne, Frederick W. Oettinger 1969-8-4 63365 Siskiyou Klamath National Forest, Salmon Mountains, Marble Mountain Wilderness Area, high lake basins in the vicinity of English Peak. Comment
  UC922373  Luetkea pectinata Annie M. Alexander and Louise Kellogg 1949-7-22 5838 Siskiyou on trail to Kings Castle; Marble Mountains, Paradise Lake 1996 Comment
  RSA119496  Lupinus C. P. Smith 1947-5-13 47273 Siskiyou 7.4 miles east of Weed. Highway 97. Comment
  UCD109681  Lupinus A. A. Heller 1920-7-3 13407 Siskiyou at Metcalf's ranch, northeast base of Mt. Eddy in the Humid Transition zone. 1158 Comment
  SBBG68978  Lupinus albicaulis A. A. Heller 1927-8-1 14436 Siskiyou Sacramento river a short distance above Shasta Springs Comment
  RSA60786  Lupinus albicaulis var. shastensis Dorothy Parker 180 -A Siskiyou Forks of Etna Creek, Salmon Mountain. 1177 Comment
  SEINET11071672 Image available Lupinus albicaulis var. shastensis A. A. Heller 1905-1 8024 Siskiyou Shasta Springs Comment
  SBBG13880  Lupinus albifrons H. and M. Dearing 1939-6-4 3544 Siskiyou Fort Jones Comment
  SBBG13892  Lupinus albifrons H. and M. Dearing 1939-7-3 3812 Siskiyou Mt Etna 1219 Comment
  SEINET7042819 Image available Lupinus albifrons A. G. Vestal 1955-5-16 s.n. Siskiyou Ca 2.2 miles west of Weed on a secondary road east of Route 99. Weed quadrangle UTM Zone 10, 547751mE, 4586681mN. Comment
  CAS-BOT-BC195959  Lupinus albifrons var. albifrons Mrs. H. C. Cantelow 1936-5-20 s.n. Siskiyou Fort Jones Comment
  POM26763  Lupinus albifrons var. eminens Geo. D. Butler 1909-5-26 776 Siskiyou Yreka Creek Comment
  HSC22255  Lupinus andersonii J. O. Sawyer 1969-8-5 1945 Siskiyou Along Sugar Creek. 1921 Comment
  HSC22259  Lupinus andersonii J. O. Sawyer 1969-7-18 1429 Siskiyou SW facing slope above Deacon Lee Trail 2195 Comment
  RSA11948  Lupinus angustiflorus Elmer I. Applegate 1923-8-18 3877 Siskiyou Redshale Mountain, east side of Medicine Lake. Comment
  SEINET10484719  Lupinus arbustus subsp. silvicola Donald E. Bright 1962-6-14 Bright 288 Siskiyou Roadside, 2 miles n of weed. Also on sheet acc.# 161224, Rec.# 28189 Comment
  UC156893  Lupinus arbustus var. arbustus Geo. D. Butler 1909-5-14 705 Siskiyou Klamath Hills Comment
  CHSC86648  Lupinus argenteus Jenny Marr 1993-7-1 31 Siskiyou Butte Valley Wildlife Area, +/- 7 air miles NW of the town of MacDoel. Meadow NW of Meiss Lake. 1349 Comment
  UC156981  Lupinus argenteus Geo. D. Butler 1910-8-18 1842 Siskiyou Shasta Valley Comment
  CAS-BOT-BC196375  Lupinus argenteus var. heteranthus Margaret M. Hanna 1958-6-21 s.n. Siskiyou 2 1/2 miles southeast of Dorris Comment
  RSA237957  Lupinus breweri var. breweri Frederick W. Oettinger 1968-8-4 397 Siskiyou Rocky ridge east of English Peak Lookout. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2210 Comment
  RSA105436  Lupinus croceus G. D. Barbe 1955-7-26 288 Siskiyou Among dry rocks at a small pond on the N slope of Scott Mtn. 1982 Comment
  SEINET10490744  Lupinus croceus var. croceus H. Dearing, M. Dearing 1939-6-30 Dearing 3763 Siskiyou Perennial with yellow flower. Callahan, trinity alps rd. Comment
  SEINET3166566  Lupinus croceus var. croceus R. W. Spellenberg 2006-6-19 13747 Siskiyou 35 air km WSW of Weed on Calif. Hwy. 3, 8.5 km Sof jct with Callahan-Gazelle Rds., 1.6 km N of Scott Mtn. Summit 1525 Comment
  POM26764  Lupinus klamathensis Geo. D. Butler 1910-5-15 1349 Siskiyou Greenhorn Mountain 1067 Comment
  SEINET10485431  Lupinus klamathensis Charles Piper Smith 1947-5-6 Smith 47207 Siskiyou Hornbrook, hwy 99. Roadside bank. Comment
  CHSC25080  Lupinus lapidicola D. Parker 1965-8-15 917 Siskiyou Near Syphon Lake, Salmon Mt. 2164 Comment
  SEINET11161339 Image available Lupinus latifolius A. A. Heller 1914-1 11709 Siskiyou Deetz station 1158 Comment
  UC1190239  Lupinus lepidus var. lobbii Ira L. Wiggins 1955-7-21 13436 Siskiyou 2 mi above Mt. View Ranch Rush Creek Trail 1097 Comment
  UC1481385  Lupinus lepidus var. lobbii B. J. Cox and D. B. Dunn 1971-6-9 2808 Siskiyou on U.S. Hwy 97 Weed; n of Weed Comment
  UC157028  Lupinus lepidus var. lobbii Geo. D. Butler 1910-9-11 1867 Siskiyou Weed Comment
  UC85087  Lupinus lepidus var. sellulus J. W. Congdon 1900-8-13 Siskiyou Shasta Comment
  RSA60789  Lupinus leucophyllus Dorothy Parker 1948-8-5 160 Siskiyou Plowmans Valley, east fork of Scott River. 1189 Comment
  UC1713502  Lupinus leucophyllus Geo. D. Butler 1909-5-14 703 Siskiyou Klamath River Comment
  UC83100  Lupinus luteolus Katharine Brandegee July 1887 Siskiyou Hornbrook Comment
  UC1736619  Lupinus obtusilobus Dean W. Taylor 1975-8-14 5363 Siskiyou Mt. Shasta, between Shasta Ski Bowl and Green Butte, 2651 Comment
  RSA215652  Lupinus polyphyllus subsp. polyphyllus Gilbert Muth 1969-8-11 1366 Siskiyou On slope beneath high point of ridge south of Boulder Peak. 2317 Comment
  UC922392  Lupinus polyphyllus var. burkei Annie M. Alexander and Louise Kellogg 1949-7-20 5821 Siskiyou Paradise Lake; Marble Mountains, Paradise Lake 1920 Comment
  SEINET10488898  Lupinus sellulus Katherine L. Morris 1973-5-25 Morris 279 Siskiyou Collected 1.4 mi ne of wheat on u.s. 97 In an area of yellow pine, purshia, and Manzanita at the side of a cemetery. Comment
  SEINET10490227  Lupinus sellulus var. artulus David B. Dunn, Melvin L. Conrad; Douglas G. LeDoux 1973-6-3 Dunn 20642 Siskiyou Vicinity of the campground on the salmon river, 8.3 mi w of cecilville. Yellow Pine forest with douglas fir. Area with mostly metamorphic rocks. Area very Rocky and gravelly. Abnormal. Comment
  SEINET10485918  Lupinus sellulus var. lobbii H. Dearing, M. Dearing 1938-6-28 Dearing 2180 Siskiyou Flower bluish. Location mccloud. Comment
  HSC99343  Luzula comosa G. L. Clifton, Griswold 1979-6-28 6134 Siskiyou Near Upper Devils Peak, close to the town of Seiad Valley 1738 Comment
  HSC86563  Luzula comosa D. K. Imper Jul 1989 Siskiyou 8 mi. E of Somes Bar, Haypress Meadows Region 1372 Comment
  HSC288  Luzula divaricata William J. Ferlatte 1967-8-21 1078 Siskiyou Caribou Basin, ridge W of Big Caribou Lake, Sawtooth Ridge 2134 Comment
  HSC41066  Luzula parviflora J. O. Sawyer 1969-6-12 897 Siskiyou Along Rd. 41N14 S of Sugar Creek Comment
  RSA233690  Luzula subcongesta Robert F. Thorne, Frederick W. Oettinger 1969-8-10 38951 Siskiyou Mt. Shasta National Forest: S slope of Mt. Shasta, Panther Creek Meadows 2195 Comment
  HSC74814  Lycopus americanus J. P. Smith 1978-7-1 9994 Siskiyou Klamath National Forest, O'Neill Creek Campground, Klamath River 488 Comment
  CDA5122  Lythrum salicaria J. R. Keck Jr., J. Massey 1985-8-7 PDR# 330138 Siskiyou Tulelake Wildlife Refuge. 0 Comment
  RSA639487  Machaeranthera canescens var. shastensis D. Sanchez-Mata 1997-9-18 s.n. Siskiyou Mount Shasta - Lake Siskiyou - Gumboot Lake. South Fork (Sacramento River) Road 1340 Comment
  RSA13893  Machaeranthera shastensis L. C. Wheeler 1934-8-24 3218 Siskiyou Trapper Creek. 1860 Comment
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Aug 14 2017
  UCR64616  Madia bolanderi L. C. Wheeler 1934-8-10 03103 Siskiyou Dead Cow Creek 1829 Comment
  CAS-BOT-BC344001  Madia elegans Alice Eastwood 1922-10-18 11532 Siskiyou Shasta Springs Comment
  CAS-BOT-BC334665  Madia glomerata Louis C. Wheeler 1934-8-24 3216 Siskiyou Trapper Creek, Siskiyou Mountains 1859 Comment
  CAS-BOT-BC94820  Madia gracilis R. C. Wenk 2008-7-25 945 Siskiyou Lily Pad Lake, just W of Kangaroo Lake, S of the Gazelle-Callahan Road 1798 Comment
  HSC36762  Madia gracilis J. P. Smith 1974-5-25 7410 Siskiyou Along Rd. 8, 0.9 mi. from its junction with Hwy. 3 976 Comment
  OBI55429  Madia gracilis David J. Keil 1992-7-20 23488 Siskiyou Klamath NF, W of Fort Jones. Along forest Rd 44N45, 2 mi S of Scott river rd 1000 Comment
  HSC18917  Maianthemum racemosum subsp. amplexicaule J. O. Sawyer 1968-6-18 173 Siskiyou Above S Russian Creek on W side. 1463 Comment
  HSC44852  Maianthemum racemosum subsp. amplexicaule J. P. Smith 1973-5-5 6465 Siskiyou Along Cook and Green Pass Rd. Comment
  RSA264978  Maianthemum racemosum subsp. amplexicaule G. L. Clifton 1975-7-28 s.n. Siskiyou Near Cook and Green Pass near the Seiad Valley 1646 Comment
  CAS-BOT-BC512762  Maianthemum racemosum subsp. amplexicaule Alice Eastwood 1923-5-20 11870 Siskiyou Shasta Springs Comment
  RSA237902  Maianthemum racemosum subsp. amplexicaule Frederick W. Oettinger 1968-8-7 438 Siskiyou East side of Hancock Lake. The Salmon Mountains, the high lake basins in the vicinity of English Peak, Marble Mountains Wilderness Area 1936 Comment
  UCSB24986  Maianthemum stellatum Keefe, Joseph 1967-7-10 Siskiyou Indian Creek Road, 22.2 miles north of Happy Camp 1402 Comment
  UC165788  Melica aristata Geo. D. Butler 1909-7-15 811 Siskiyou Russian Creek 1828 Comment
  HSC21983  Melica bulbosa J. O. Sawyer 1969-7-16 1140 Siskiyou SW facing upper slope SW of Waterdog Lake. 2104 Comment
  HSC644  Melica fugax William J. Ferlatte 1967-7-6 611 Siskiyou Dorleska summit. 2134 Comment
  UCD87262  Melica fugax A. A. Beetle; G. L. Stebbins Jr. 1942-5-31 3410 Siskiyou Canyon N of Willow Creek, 5 miles W of Gazelle. Comment
  UCD87557  Melica harfordii R. Tofsrud 1948-8-1 s.n. Siskiyou : Near summit of road from Happy Camp to O'Brien, Oregon. Comment
  UCD87563  Melica harfordii R. Tofsrud 1949-8-3 s.n. Siskiyou Scott River about 10 miles south of Scott Bar. Comment
  CAS-BOT-BC264199  Melica subulata Alice Eastwood 1921-7-25 10796 Siskiyou Castle Lake Comment
  JEPS84000  Melica subulata L. R. Heckard with S. D'Alcamo, J. Hickman 1986-7-16 6386 Siskiyou ca 1.5 mi e Red Butte summit (ca 7 mi nne of Seiad Valley, w of Cook and Green Pass) 1900 Comment
  JEPS100299  Melilotus indicus Dean W. Taylor 2001-8-28 17907 Siskiyou 12 air mi NE of McCloud (Ash Creek Butte, western base of); Mount Shasta, upper Sacramento River watershed 1767 Comment
  JEPS94878  Mentha canadensis Vernon H. Oswald and Lowell Ahart 1998-7-21 9323 Siskiyou Highway 97 between Weed and Macdoel at the w end of Grass Lake 1524 Comment
  UC725962  Mentzelia dispersa A. A. Heller 1925-6-25 13896 Siskiyou 3 mi n Mt. Shasta (State Highway) Comment
  UC1980551  Mentzelia laevicaulis C. Rose Broome, James L. Reveal, Darin Reveal, Crissie Cagle 1978-8-6 2323 Siskiyou CA highway 96, 0.8 mi. W of Hamburg, at Mill Creek, opposite the highway from the Klamath River. Comment
  CAS-BOT-BC428608  Micranthes bryophora Ira L. Wiggins 1955-7-27 13547 Siskiyou Caribou Lake, Salmon-Trinity Alps Primitive Area 2042 Comment
  SEINET3416626 Image available Micranthes ferruginea Rimo Bacigalupi, Lincoln Constance & L. Heckard 1960-7-20 7448 Siskiyou Siskiyou Mountains; Poker Flat (about 12 air miles northwest of Happy Camp) 1524 Comment
  SJSU6538  Micranthes ferruginea R. W. Trivelpiece 1973-6-28 158 Siskiyou Big Duck L, Scott R drainage c. 7.5 mi W of Callahan 2042 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
  CHSC88402  Microseris laciniata subsp. laciniata Jenny Marr 1993-7-1 161 Siskiyou Butte Valley Wildlife Area, +/- 7 air miles NW of the town of MacDoel. Meadow NW of Meiss Lake. 1349 Comment
  JEPS84327  Microseris nutans L. R. Heckard with S. D'Alcamo, J. Hickman, S. Winchester 1986-7-16 6421 Siskiyou ca 5 mi n town Seiad Valley (e slope Kangaroo Mountain, cirque at head of Hell's Canyon); e slope Kangaroo Mountain, cirque at head of Hell's Canyon 1828 Comment
  UC455851  Microseris nutans I. J. Condit 1911-7-5 Siskiyou Shasta Retreat Mt. Bradley 1524 Comment
  HSC68519  Microsteris gracilis Maralyn A. Renner 1980-6-26 1149 Siskiyou Flint Valley. 1390 Comment
  UC1586888  Mimulus Juha Pykala and D. H. Norris 1987-7-7 2410 Siskiyou Jot Dean Ice Cave 1700 Comment
  CDA41682  Mimulus alsinoides D. Osterhandt & D. H. Shaw 1978-3-31 s.n. Siskiyou Between Forks of Salmon and Somes Bar. 0 Comment
  HSC61898  Mimulus breweri Ruby Van Deventer 17 Jul [year missing] Siskiyou Poker Flat 1585 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
  RSA237540  Mimulus breweri Frederick W. Oettinger 1967-8-20 296 Siskiyou Stream about 100 yards below spring at Tom Taylor Cabin. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2049 Comment
  UC164274  Mimulus inodorus Geo. D. Butler 1908-8-24 448 Siskiyou Eldredge's Corral Russian Creek Comment
  UC54647  Mimulus layneae H. M. Hall and E. B. Babcock June, 1903 4038 Siskiyou below Dunsmuir; Sierra Nevada Mountains 609 Comment
  HSC36465  Mimulus moschatus J. O. Sawyer 1969-8-4 1875 Siskiyou S of S Sugar Lake 2104 Comment
  HSC70516  Mimulus moschatus J. P. Smith, Steve Selva 1970-6-15 3921 Siskiyou 10 mi. NW of Forks of Salmon Comment
  RSA211451  Mimulus moschatus William J. Ferlatte 1966-8-3 282 Siskiyou Josephine Lake basin. 1921 Comment
  LA209351  Mimulus nanus var. jepsonii W. B. C.; 1939-7-7 135686 Siskiyou Mount Shasta, Along the road between Bear Springs and Wagon Camp 1676 Comment
  HSC36466  Mimulus nanus var. nanus J. O. Sawyer 1969-6-2 1009 Siskiyou Summit above Albert Lake 2256 Comment
  RSA535582  Mimulus nanus var. nanus David M. Thompson 1989-6-28 1022 Siskiyou 10 mi NE of Weed along Hwy 97, NW side of road. 1150 Comment
  HSC22474  Mimulus primuloides J. O. Sawyer 1969-7-11 1337 Siskiyou S Sugar Creek 1829 Comment
  HSC29402  Mimulus primuloides Frederick W. Oettinger 1968-8-13 520 Siskiyou Bear Meadow near Tom's Lake 2180 Comment
  HSC91002  Mimulus primuloides var. linearifolius Jennifer Whipple 1976-7-8 1338 Siskiyou N slope of Mt. Eddy 2439 Comment
  HSC29400  Mimulus primuloides var. primuloides Frederick W. Oettinger 1968-8-14 519 Siskiyou High Lake Basins: Bear Meadow, Tom's Lake region 2188 Comment
  JEPS22411  Mimulus pulsiferae Francia Chisaki, Gene B. Newcomb 1958-6-21 1150 Siskiyou n McCloud (on road to Ice Cave); Squaw Valley Creek 1158 Comment
  HSC91028  Mimulus tilingii Jennifer Whipple 1977-8-5 2170 Siskiyou Mt. Eddy, Wagon Creek drainage near Wagon Creek 2287 Comment
  CAS-BOT-BC174733  Minuartia nuttallii A. A. Heller 1916-7-22 12492 Siskiyou East side of Mt. Eddy Comment
  CAS-BOT-BC174738  Minuartia nuttallii Alice Eastwood 1923-5-23 11923 Siskiyou Cantara, S.P.R.R. Comment
  HSC25490  Minuartia nuttallii subsp. gregaria J. P. Smith, J. O. Sawyer, Maralyn O'Meara 1972-7-3 5718 Siskiyou E slope of Kangaroo Mtn., above Toehead Lake. 1890 Comment
  UC1483471  Minuartia nuttallii subsp. gregaria Maralyn A. Renner 1980-8-7 2427 Siskiyou ridge s Preston Peak; Klamath National Forest, Preston Peak Quad. 1950 Comment
  POM101138  Minuartia nuttallii subsp. gregaria Geo. D. Butler 1910-7-4 1638 Siskiyou Goosenest foothills. 1220 Comment
  RSA215627  Minuartia nuttallii subsp. gregaria Gilbert Muth 1969-8-10 1352 Siskiyou Red Mountain Ridge. 2317 Comment
  RSA47645  Mirabilis greenei Roxana S. Ferris, L. Lorraine 1948-6-12 s.n. Siskiyou Willow Creek, foot of Gazelle Mountain Grade Comment
  CAS-BOT-BC229613  Mirabilis greenei Dorothy Parker 1950-6-5 449 Siskiyou On the W side of Scott Valley 914 Comment
  POM141790  Mitella diversifolia Geo. D. Butler 1910-5-23 1391 Siskiyou Humbug Mtn. 1220 Comment
  UC420430  Mitella pentandra Milo S. Baker 1899-7-31 Siskiyou above Warren and Anderson's Mill; Mt. Shasta, Ash Creek Comment
  UC637081  Moehringia macrophylla Edward Lee 1934-8-13 1081 Siskiyou Happy Camp to Waldo (Oregon) road (watershed of West Branch of Indian Creek, Klamath National Forest); Klamath National Forest, watershed of West Branch Indian Cre 1463 Comment
  HSC36943  Moehringia macrophylla J. P. Smith 1974-5-26 7563 Siskiyou Along FS Rd. 47N03 1524 Comment
  UC1019311  Moehringia macrophylla Dorothy Parker 1953-5-24 533 Siskiyou Scott River; Siskiyou Mountains, Scott River 681 Comment
  HSC58927  Monardella glauca Marvin Butler 1971-8-20 170 Siskiyou Near El Capitan, close to the town of Cave Junction 1585 Comment
  CAS-BOT-BC222027  Monardella odoratissima subsp. glauca Marion Ownbey; Fred G. Meyer 1940-7-5 2182 Siskiyou On East side of Mt. Shasta Comment
  UC154269  Monardella odoratissima subsp. glauca Harley P. Chandler June, 1901 1723 Siskiyou near Marble Mountain; North Coast Ranges, Shackleford Canyon 1828 Comment
  UC585124  Monardella odoratissima subsp. glauca E. B. Babcock, G. L. Stebbins Jr. 1936-6-13 2013 Siskiyou About 1 1/2 miles west of Mt. Shasta City above Sulloway Creek, spur of ridge; Rainbow Ridge 1180 Comment
  HSC61888  Monardella odoratissima subsp. odoratissima Ruby Van Deventer 1939-7-18 Siskiyou Poker Flat 1585 Comment
  CAS-BOT-BC220368  Monardella odoratissima subsp. pallida Geo. B. Grant 1902-9-8 s.n. Siskiyou Mt Shasta, Horse Camp Comment
  CAS-BOT-BC222171  Monardella odoratissima subsp. pallida Dorothy Parker 1960-7-31 764 Siskiyou Above Hidden Lake 2042 Comment
  CAS-BOT-BC222181  Monardella odoratissima subsp. pallida Elmer I. Applegate 1923-8-18 3874 Siskiyou Near summit of Redshale [Red Shale] Mountain, East of Medicine Lake 2438 Comment
  UC195202  Monardella odoratissima subsp. pallida Annie M. Alexander and L. Kellogg 1916-7-16 259 Siskiyou South Fork Salmon River Trinity Alps 1524 Comment
  CAS-BOT-BC220226  Monardella sheltonii Louis C. Wheeler 1934-6-9 2664 Siskiyou Klamath River, between Dutch Creek and Deadman Gulch, Siskiyou Mts. 670 Comment
  SEINET10499763  Monardella sheltonii Mary Merello 1993-6-22 Merello 696 Siskiyou Shasta National Forest. Along Forest Road 26 to Lake Siskiyou outside of Mt. Shasta City. Mixed conifer forest. Steep, rocky serpentine slopes along Sacramento River. 1270 Comment
  HSC64135  Monardella villosa J. P. Smith, Steve Selva 1970-6-15 3929 Siskiyou 8 mi. SE of Forks of Salmon on rd. to Cecilville 457 Comment
  CAS-BOT-BC444814  Montia diffusa Alice Eastwood; John Thomas Howell 1937-6-26 5057 Siskiyou Near Fork of Salmon Comment
  UC166171  Montia linearis Geo. D. Butler 1909-3-14 680 Siskiyou McDutty's upper field near Yreka Comment
  JEPS127642  Montia parvifolia Jurriaan M. de Vos 2014-7-10 314 Siskiyou Klamath NF.Ca. 0.4 miles ENE along Forest Road 1055 from Cook and Green Pass. Comment
  JEPS43285  Montia parvifolia W. L. Jepson 1902-7-17 2066 Siskiyou Devil's Backbone, Trinity Summit to Salmon Summit (on boundary between Humboldt and Trinity Counties); Devil's Backbone Comment
  CAS-BOT-BC445204  Montia parvifolia W. R. Dudley 1893-6-23 s.n. Siskiyou Castle Crag, region of Mt. Shasta Comment
  UCD101769  Montia parvifolia J. M. Tucker; L. K. Mann 1963-7-4 3696 Siskiyou vicinity of U.S. Forest Service Public Camp, just east of Finley Camp, road from Etna to Sawyer's Bar. Comment
  CAS-BOT-BC262614  Muhlenbergia andina Beecher Crampton 1956-8-21 3837 Siskiyou Lower slopes of White Ridge, canyon of the south fork of the Sacramento River 1371 Comment
  POM198620  Muhlenbergia asperifolia Geo D. Butler 1910-8-21 1848 Siskiyou Shasta Valley Comment
  CAS-BOT-BC267042  Muhlenbergia filiformis Alice Eastwood 1923-5-27 s.n. Siskiyou Shasta Springs to McCloud Comment
  HSC30608  Muhlenbergia filiformis Frederick W. Oettinger 1969-9-1 1575 Siskiyou Margin of Katherine Lake, Salmon Mountains. 2027 Comment
  POM206719  Muhlenbergia filiformis Copeland 1903-8-12 1084 Siskiyou Sisson. Comment
  SD211513  Muhlenbergia filiformis Barbara Ertter 1990-7-14 9318 Siskiyou East side Mount Eddy circa 4 airmiles due West of Mount Shasta City, at streamlet near end of FR 41N53 circa 1 mile North of Morgan Meadows 1676 Comment
  SEINET10599967  Muhlenbergia jonesii A. Arthur Heller 1922-7-16 Heller 13719 Siskiyou Sandy soil near Pilgrim Creek forest nursery back of Mt. Shasta in the yellow pine belt. Comment
  HSC22176  Muhlenbergia montana J. O. Sawyer 1969-8-4 1881 Siskiyou SE slope above S Sugar Lake 2165 Comment
  HSC22179  Muhlenbergia montana J. O. Sawyer 1969-7-10 1304 Siskiyou SE facing slope above S Sugar Lake 2165 Comment
  RSA239110  Muhlenbergia montana Frederick W. Oettinger 1968-9-7 753 Siskiyou Near north end of Hancock Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1951 Comment
  CAS-BOT-BC275171  Muhlenbergia richardsonis G. J. Muth 1969-8-10 1332 Siskiyou Ridge W of Boulder Peak Comment
  CHSC30763  Nama lobbii M. S. Taylor; J. Prouty, E. Heinitz 1980-8-18 3256 Siskiyou Ca. 50 ft e of Hwy 15, ca. 3 mi n of its jct with Hwy 89, in Yellow Pine plantation, ca. 17 mi e of McCloud. Comment
  CHSC4554  Nama lobbii J. E. Bowlin 1967-7-18 41 Siskiyou On roadside, ca. 3.9 mi w of Mount Shasta Ski Bowl. 2133 Comment
  HSC82521  Nama lobbii Thomas W. Nelson, Jane P. Nelson 1980-7-5 5973 Siskiyou Fowler's Campground 1006 Comment
  SEINET3991320  Narthecium californicum Unknown 1953-7-29 Siskiyou Summit of Scott Mountain 1625 Comment
  HSC60809  Navarretia capillaris Ruby Van Deventer 1960-7-7 Siskiyou Bell Echo Camp in Youngs Valley. 1220 Comment
  UC1540246  Navarretia capillaris Dean W. Taylor 1987-6-26 9077 Siskiyou 2 mi se from Medicine Lake (Paynes Springs); se from Medicine Lake, Paynes Springs 1996 Comment
  UC1409294  Navarretia divaricata Frederick W. Oettinger 1968-8-8 578 Siskiyou Tobacco Lake meadows, vicinity of English Peak, w Siskiyou County Salmon Mountains, Marble Mountain Wildeness Area 1889 Comment
  HSC79091  Navarretia intertexta Paul Wilson 1984-9-1 377 Siskiyou Juanita Lake Reservoir 1555 Comment
  JEPS70411  Navarretia intertexta subsp. propinqua Geo. D. Butler 1909-6-5 998 Siskiyou near Yreka Comment
  JEPS19732  Navarretia linearifolia subsp. linearifolia Rimo Bacigalupi with S. Galen Smith and Geo. Bacigalupi Jr. 1957-6-26 5949 Siskiyou on drier slopes just above meadows at sw end Gumboot Lake (headwaters South Fork Sacramento River, close to Trinity County line); headwaters South Fork Sacramento River, sw end Gumboot Lake 1859 Comment
  HSC22175  Nemophila parviflora var. austiniae J. O. Sawyer 1969-7-16 1150 Siskiyou W of Waterdog Lake 2073 Comment
  UC164455  Nicotiana attenuata Geo. D. Butler 1910-7-1 1618 Siskiyou near Yreka Comment
  SEINET4174316  Nitrophila occidentalis G. D. Butler 1910-8-21 1849 Siskiyou Shasta Valley Comment
  CAS-BOT-BC60572  Noccaea fendleri subsp. glauca Elizabeth McClintock; Wayne Roderick; Martha Roderick 1967-7-29 s.n. Siskiyou Trinity Mountains. Road to Mumbo Basin. 1889 Comment
  HSC75095  Noccaea fendleri subsp. glauca J. P. Smith, Thomas W. Nelson 1979-6-15 10119 Siskiyou Klamath National Forest, road to Carmen Lake, 0.6 mi. from its junction with Hwy. 3 1646 Comment
  HSC81838  Noccaea fendleri subsp. glauca Thomas W. Nelson, Jane P. Nelson 1980-7-20 6182 Siskiyou Above and to SE of Big Carmen Lake 1738 Comment
  POM143809  Noccaea fendleri subsp. glauca E. B. Copeland 1903-8-18 3905 Siskiyou Mt Eddy. Comment
  CHSC1871  Nothochelone nemorosa V. Holt 1943-8-13 Siskiyou Marble mountains. 1828 Comment
  HSC4842  Nothochelone nemorosa J. O. Sawyer 1968-9-13 713 Siskiyou W of the Happy Camp/O'Brien Rd. between Louse Creek and Indian Creek, on the E slopes of Little Grayback 1463 Comment
  UC164292  Nothochelone nemorosa Geo. D. Butler 1908-8-8 427 Siskiyou at head of West Fork Wooley Creek, s of lake West Fork Wooley Creek Comment
  RSA96849  Nothochelone nemorosa Percy C. Everett, E. K. Balls 1954-10-13 20290 Siskiyou Indian Creek Road to Obrien, 20.5 mi NW of Hwy 96 at Happy Camp. 1524 Comment
  CAS-BOT-BC140451  Oemleria cerasiformis Lewis S. Rose 1945-6-18 45134 Siskiyou Horse Creek & Klamath River 502 Comment
  CHSC4521  Oenothera elata subsp. hirsutissima J. E. Bowlin 1967-7-18 44 Siskiyou Off roadside, ca. 13.9 mi w of Mount Shasta Ski Bowl. 1158 Comment
  UC61199  Oenothera elata subsp. hirsutissima W. A. Setchell, C. C. Dobie 1902-7-21 Siskiyou Sisson Mt. Shasta Comment
  RSA15589  Oenothera villosa subsp. strigosa Carl B. Wolf 1927-8-27 1132 Siskiyou On the Klamath River. 7 miles below Happy Camp. Comment
  POM108009  Olsynium douglasii Geo D. Butler 1910-3-11 1123 Siskiyou Yreka Hills. Comment
  JEPS10831  Orobanche fasciculata Willis L. Jepson July 24, 1994-Aug 10, 1894 Siskiyou Hillside near Sisson. Comment
  HSC45156  Orobanche uniflora J. O. Sawyer, E. Cope 1977-6-19 2950 Siskiyou Clear Creek Trail between Preston Creek and Trout Camp 915 Comment
  UC164090  Orobanche uniflora subsp. occidentalis Geo. D. Butler 1909-4-4 730 Siskiyou Shasta Valley between Yreka and Montague. Comment
  CAS-BOT-BC500329  Orobanche uniflora subsp. occidentalis Gilbert J. Muth 1966-7-18 417 Siskiyou Marble Mountains: Marble Gap Trail, above Marble Valley 1828 Comment
  JEPS20246  Orobanche uniflora subsp. occidentalis W. R. Ernst 1958-4-7 242 Siskiyou Above the Shasta River Bridge #2-13, along Highway 99, 2 miles south of the Klamath River Road. Comment
  UC618901  Orthilia secunda W. B. Cooke 1938-8-5 11457 Siskiyou Sisson Southern Trail. 1828 Comment
  CAS-BOT-BC458097  Orthilia secunda Edward Lee 1934-8-13 1087 Siskiyou Watershed of West Branch of Indian Creek, Happy Camp to Waldo (Oregon) road, Klamath National Forest 1463 Comment
  UC70300  Orthilia secunda Milo S. Baker 1898-8-1 131 Siskiyou on hillside SW of Medecine Lake Comment
  CAS-BOT-BC266622  Orthocarpus cuspidatus James L. Reveal; Mark L. Reveal 1975-8-15 3953 Siskiyou Siskiyou Mountains, Klamath National Forest, along the Dry Lake Lookout Road, Forest Service Road 40S01, 0.6 mile N of the turnoff to Deep Camp and about 2.7 miles SE of Dry Lake Lookout Comment
  HSC67708  Orthocarpus cuspidatus subsp. copelandii John Palmer 1980-7-24 608 Siskiyou Klamath National Forest, Elk Hole 1503 Comment
  HSC86557  Orthocarpus cuspidatus subsp. copelandii D. K. Imper Jul 1987 Siskiyou Marble Mtn. Wilderness Area, Haypress Meadow, 8 mi. E of Somes Bar 1372 Comment
  HSC91017  Orthocarpus cuspidatus subsp. copelandii Jennifer Whipple 1976-7-9 1394 Siskiyou Dale Creek drainage on the N face of Mt. Eddy 2226 Comment
  UC1409423  Orthocarpus cuspidatus subsp. copelandii Frederick W. Oettinger and R. F. Thorne 1969-8-6 1295 Siskiyou (high lake basins in vicinity of English Peak) English Lake Region; Salmon Mountains, Marble Mountain Wilderness Area 1828 Comment
  UC2026467  Orthocarpus cuspidatus subsp. copelandii Louis C. Wheeler 1958-8-21 7412 Siskiyou Siskiyou Mountains. Lily Pad Lake. Comment
  UCD123233  Orthocarpus cuspidatus subsp. copelandii Dean William Taylor 1972-7-4 1604 Siskiyou near Lily Pad Lake 3 miles west of Cook and Green Pass. 1981 Comment
  RSA183717  Orthocarpus cuspidatus subsp. copelandii Gilbert Muth 1965-7-30 138 Siskiyou Marble Mtns. Near top of marble rim. Comment
  UC1313001  Orthocarpus cuspidatus subsp. copelandii J. M. Tucker and L. K. Mann 1963-8-17 3741 Siskiyou beside trail to top of ridge to s from Red Rock Valley (Marble Mountain Wilderness ARea); Marble Mountain Wilderness Area, trail fr Red Rock Valley 1859 Comment
  RSA488703  Orthocarpus cuspidatus subsp. cuspidatus James L. Reveal 1975-8-15 3953 Siskiyou Siskiyou Mountains, Klamath Nat'l Forest, along the Dry Lake Lookout road (FS 40S01), 0.6 mile north of the turnof to Deep Camp and about 2.7 miles southeast of Dry Lake Lookout. Comment
  UC166166  Osmorhiza berteroi Geo. D. Butler 1910-6-6 1453 Siskiyou Quartz Valley Comment
  UC412592  Osmorhiza berteroi Milo S. Baker 1898-8-1 505 Siskiyou on bluff sw Medicine Lake Comment
  CAS-BOT-BC94408  Osmorhiza occidentalis R. C. Wenk 2005-7-15 212 Siskiyou Trinity Alps, above South Fork of the Salmon River, along the Yellow Rose Mine trail. Top of pass, going N along ridge 2133 Comment
  UC595105  Osmorhiza occidentalis David D. Keck 1938-8-6 4811 Siskiyou 4 mi s Oregon Line (on road from Waldo to Happy Camp, at Del Norte Co. line); Summit of Siskiyou Mts., Poker Flat 1555 Comment
  RSA261379  Osmorhiza purpurea J. M. Tucker, L. Mann 1963-7-5 3700 Siskiyou On Blake s Fork of South Russian Creek (a tributary of Salmon River), ca 7 air miles east of Sawyer s Bar, Salmon Mountains 1616 Comment
  UCR101291  Oxalis trilliifolia L. C. Wheeler 1959-7-25 7593 Siskiyou Marble Mountains, Camp Three, Rogers Creek 329 Comment
  JEPS69748  Packera cana W. B. and V. G. Cooke 1972-6-30 45421 Siskiyou near Upper Cougar Road (Military Pass Road); Mt. Shasta 1524 Comment
  CAS-BOT-BC316760  Packera cana A. Heller 1921-7-17 s.n. Siskiyou Occasional on the long gravelly slope of Mt. Eddy west of Wagon Creek.Hudsonian 2286 Comment
  UC1169371  Packera streptanthifolia R. Ornduff 1960-6-30 6269 Siskiyou at margin of Grass Lake Grass Lake Comment
  UC618862  Packera streptanthifolia W. Bridge Cooke 1938-7-28 11369 Siskiyou north ridges Mount Shasta; , on exposed ridge tops, north ridges 2895 Comment
  CAS-BOT-BC28832  Paeonia brownii Bruce Bartholomew 1994-5-27 6708 Siskiyou Whitehorse Mountains near the Modoc County line 1600 Comment
  HSC29457  Parnassia palustris Frederick W. Oettinger 1968-8-3 377 Siskiyou Marble Mountain Wilderness, base camp near Diamond Lake. 2012 Comment
  CAS-BOT-BC202860  Paxistima myrsinites Doris K. Kildale 1928-8-18 6448 Siskiyou Head of north fork Salmon River at Finley's Upper Camp Comment
  JEPS78150  Paxistima myrsinites Gary W. Zamzow 1972-7-20 96 Siskiyou on Highway 89, 7 mi e McCloud (Fowlers Campground, on gentle e-facing slope of McCloud River); slope of McCloud River 1066 Comment
  UC61045  Paxistima myrsinites W. A. Setchell, C. C. Dobie 1902-7-14 Siskiyou Mt. Shasta, Sisson Comment
  UCR5254  Paxistima myrsinites O. F. Clarke 1966-8-6 660806- 02 Siskiyou 46 mi south of Oregan Border on US 99 Comment
  CAS-BOT-BC202830  Paxistima myrsinites W. R. Dudley 1893-6-21 s.n. Siskiyou Mt. Shasta Trail Comment
  CAS-BOT-BC266635  Pedicularis A. A. Heller 1914-8-28 11726 Siskiyou E side of Mount Eddy 1584 Comment
  CAS-BOT-BC266651  Pedicularis bracteosa var. flavida Annie M. Alexander; Louise Kellogg 1948-9-9 5612 Siskiyou Siskiyou Mountains. Trail to Taylor Lake Comment
  HSC19156  Pedicularis bracteosa var. flavida J. O. Sawyer 1969-7-24 1486 Siskiyou NE facing seep SW of Sugar Lake 1890 Comment
  CAS-BOT-BC266644  Pedicularis bracteosa var. flavida Lester Rowntree 1936-7-13 s.n. Siskiyou Granite Creek, Trinity Mountains 2133 Comment
  RSA238824  Pedicularis flavida Frederick W. Oettinger 1968-8-3 378 Siskiyou Base camp near Diamond Lake. Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2012 Comment
  RSA183697  Pedicularis flavida Gilbert Muth 1965-8-6 180 Siskiyou Marble Mountains; backside of Black Mountain Comment
  JEPS84020  Pedicularis howellii L. R. Heckard with S. D'Alcamo, J. Hickman, S. Winchester 1986-7-16 6427 Siskiyou 5 mi n of the town of Seiad Valley (cirque at head of Hell's Canyon, e slope of Kangaroo Mountain); Kangaroo Mountain 1828 Comment
  JEPS84183  Pedicularis racemosa L. R. Heckard with J. Hickman et al. 1986-7-17 6535 Siskiyou se of Condry Mountain (road end area and camp overlooking s end of Alex Hole); Alex Hole 1980 Comment
  RSA184653  Pedicularis racemosa Clare B. Hardham 1965-8-20 13027 Siskiyou Marble Mountains. Granite Trail. Near Cudahy Lakes. 1220 Comment
  CAS-BOT-BC67684  Pellaea brachyptera Louis C. Wheeler 1934-6-21 75592 Siskiyou Klamath National Forest - W. fork of Cottonwood Cr. 1371 Comment
  SBBG30580  Penstemon anguineus D. Myrick 1968-6-24 2006 Siskiyou Adams Crk above Mountain Meadow Ranch, Big Flat, Coffee Crk; Trinity Alps 1828 Comment
  UC1012498  Penstemon anguineus Francis W. Pennell 1940-7-17 26175 Siskiyou w Etna (northeastern slope Salmon Mts.); , w of Etna 1981 Comment
  HSC30870  Penstemon anguineus Melinda F. Denton 1973-6-27 2812 Siskiyou Klamath National Forest, 1.4 mi. SE of Siskiyou-Del Norte Co. lines on Rd. 1916, 3 mi. S of OR-CA border 1476 Comment
  POM42969  Penstemon anguineus Geo. D. Butler 1910-7-9 1733 Siskiyou Upper Campbell Lake, Shackleford Creek. 1372 Comment
  UC722785  Penstemon anguineus C. L. Hitchcock, J. S. Martin 1939-7-6 5212 Siskiyou open hillside on Takilma-Happy Camp Road 1676 Comment
  UC618803  Penstemon cinereus David Keck 1938-8-24 11582 Siskiyou Bolam Creek Mount Shasta, Bolam Creek (above the creek in forest of Yellow Pine) 2133 Comment
  CHSC66546  Penstemon cinicola Vernon H. Oswald 1996-7-12 8008 Siskiyou Large meadow at the junction of the roads to Schonchin Spring and Little Mt. Hoffman at the W end of Medicine Lake. On the n side of the road to Little Mt. Hoffman. 2048 Comment
  HSC49948  Penstemon cinicola G. L. Clifton, Terry Griswold 1979-7-22 8920 Siskiyou Near Little Mt. Hoffman, close to the town of Macdoel 613 Comment
  HSC60464  Penstemon davidsonii Carl Wishner 1978-7-19 548 Siskiyou Sandy Ridge trail 11W21 above Monument Lake, Marble Mtn. Wilderness 1768 Comment
  JEPS8101  Penstemon davidsonii var. davidsonii W. L. Jepson 1894-8-4 21412 Siskiyou Mt. Shasta above timber line; Mt. Shasta, above timber line Comment
  LA25853  Penstemon davidsonii var. davidsonii H. & M. Lewis; 1951-7-12 sn Siskiyou Mount Shasta, Panther Meadows, S side Comment
  UC618698  Penstemon davidsonii var. davidsonii W. Bridge Cooke 1938-8-18 11493 Siskiyou Horse Camp slopes Mount Shasta 2438 Comment
  JEPS18959  Penstemon deustus Rimo Bacigalupi with L. Constance and M. Hiroe 1956-6-9 5695 Siskiyou 1.5 mi nw Weed (along U.S. Highway 99, southern limits of Shasta Valley); southern limits of Shasta Valley 975 Comment
  CHSC96032  Penstemon deustus var. suffrutescens L. P. Janeway 2006-7-3 8767 Siskiyou Klamath Ranges. Salmon Mountains; along Music Creek Trailhead Road about 1.5 km west of upper crossing of Music Creek. 1646 Comment
  NY609828  Penstemon deustus var. suffrutescens F. W. Pennell 1940-7-17 26168 Siskiyou West of Etna 1280.2 Comment
  CHSC4531  Penstemon gracilentus J. E. Bowlin 1967-7-18 38 Siskiyou On a bank ca. 20 ft. high, above the road, and 2.8 mi w of Mount Shasta Ski Bowl. 2133 Comment
  NY600721  Penstemon gracilentus E. I. Applegate 1923-8-17 3831 Siskiyou About 10 miles northwest of Medicine Lake Comment
  NY600754  Penstemon gracilentus A. A. Heller 1939-7-31 15435 Siskiyou Panther Meadow, Mt. Shasta 2438.4 Comment
  POM299521  Penstemon gracilentus Marion Ownbey, Fred G. Meyer 1940-7-3 2195 Siskiyou On east side of Mt Shasta. Comment
  UCSB15834  Penstemon heterodoxus var. shastensis Breedlove, Dennis 1962-6-11 Siskiyou along State Highway 89; 17.6 miles east of McCloud; Cascade Mountains 1219 Comment
  HSC36804  Penstemon laetus subsp. laetus J. P. Smith 1974-5-27 7633 Siskiyou Along FS Rd. 47N03 1280 Comment
  RSA305802  Penstemon laetus var. sagittatus James R. Shevock 1972-7-26 2229 Siskiyou Fork of the Salmon and Klamath R. 610 Comment
  RSA211463  Penstemon newberryi William J. Ferlatte 1966-7-7 194 Siskiyou Caribou Basin. Trinity Alps. 1982 Comment
  SEINET10548070  Penstemon newberryi Mary Susan Taylor 1980-7-8 Taylor 3089 Siskiyou T40N R5W sec 35, Weed quad; Shastan Trinity Natl Forest; along Rd 40N43, at W end of Lake Siskiyou. 1372 Comment
  JEPS74427  Penstemon newberryi var. berryi W. J. Ferlatte 1966-7-7 194 Siskiyou Caribou Basin 1981 Comment
  JEPS84079  Penstemon newberryi var. berryi L. R. Heckard with S. D'Alcamo, J. Hickman, S. Winchester 1986-7-16 6354 a Siskiyou 1/2 mi SE of Red Butte (SW of Cook and Green Pass; 7 mi NNE of Seiad Valley) 1730 Comment
  JEPS26254  Penstemon newberryi var. berryi Friedrich Ehrendorfer 1959-5-29 loc. 22 Siskiyou to the S of the road, at Etna summit, on road from Etna to Finley Camp (Salmon Mtn. summit) 1813 Comment
  RSA724922  Penstemon parvulus L. P. Janeway 2006-7-4 8793 Siskiyou Scott Mountains; Opening on spur ridge 1.9 km west-southwest of Scott Mountain Summit. 1838 Comment
  UC1238922  Penstemon parvulus Freed W. Hoffman 1950-7-13 3490 Siskiyou Baldy Mountain North Coast Ranges, Baldy Mountain (western Siskiyou County) 1828 Comment
  UC1483407  Penstemon parvulus Maralyn A. Renner 1980-8-7 2425 Siskiyou ridge s Preston Peak; Klamath National Forest, Preston Peak Quad. 1950 Comment
  HSC81757  Penstemon parvulus Thomas W. Nelson, Jane P. Nelson 1980-7-19 6192 Siskiyou Along FS Rd. 40N17 at trail head to Mavis Lake 1707 Comment
  HSC61155  Penstemon procerus var. brachyanthus Al Hobart 1967-8-8 Siskiyou El Capitan Comment
  JEPS11376  Penstemon roezlii W. L. Jepson 1894-8-9 21429 Siskiyou Horseshoe Bend* Horseshoe Bend, Upper Sacramento River (Upper Sacramento River, *near Shasta Springs - bend in rr., not in river) Comment
  JEPS11637  Penstemon roezlii Geo. D. Butler 1908-6-28 431 Siskiyou L. Eastlicks Ranch , L. Eastlicks Ranch (Oro Fino) Comment
  RSA211397  Penstemon roezlii William J. Ferlatte 1966-8-4 299 Siskiyou Yellow Rose Mine. 1982 Comment
  CAS-BOT-BC239416  Penstemon rupicola Doris K. Kildale 1929-7-20 8577 Siskiyou East spur Preston Peak above Rockefeller Lake 1950 Comment
  HSC69240  Penstemon rupicola Maralyn A. Renner 1980-9-1 2703 Siskiyou S side of Devil's Punchbowl 1829 Comment
  HSC61156  Penstemon rupicola Al Hobart Siskiyou El Capitan Comment
  CAS-BOT-BC6685  Penstemon rydbergii var. varians David Daniels Keck 1940-6-13 5172 Siskiyou Grass Lake 1540 Comment
  NY661020  Penstemon speciosus K. L. Chambers 1967-6-22 2861 Siskiyou Rocky knoll about 500 ft. above and east of the freeway (Highway 5) at the Hilts exit, Siskiyou Pass. 1097.3 Comment
  RSA401884  Penstemon speciosus Edwin Kline 1920-6-20 s.n. Siskiyou Siskiyou Mtns. Comment
  UC1238957  Penstemon speciosus Freed W. Hoffman 1948-7-12 2615 Siskiyou 1.5 mi w junction of Little Shasta road with Mt. Hebron road; North Coast Ranges Comment
  UCSB21264  Penstemon speciosus Bell, David 1966-6-21 Siskiyou East side of U.S. Hwy. 97, 14 miles NE of Weed 1371 Comment
  HSC97691  Penstemon spectabilis Thomas W. Nelson, Jane Nelson 2006-7-1 9448 Siskiyou Along USFS Rd. 4319, Military Pass Rd., The Whaleback 1392 Comment
  UC1390011  Perideridia leptocarpa T. I. Chuang, I. Fukuda, and A. Weston 1963-7-7 5882 Siskiyou 2.7 mi n Callahan (on road to Etna) 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
  UCD127877  Perideridia oregana Robert E. Preston 1995-6-18 878 Siskiyou Ca. 3 miles ESE of Hornbrook. Adjacent to Ager Road. 701 Comment
  CAS-BOT-BC423352  Peritoma platycarpa A. A. Heller 1927-8-2 14440 Siskiyou North end of Shasta Valley, near the Klamath River Comment
  HSC64423  Persicaria lapathifolia J. P. Smith, Steve Selva 1970-7-17 4419 Siskiyou Along Klamath River Comment
  HSC64424  Persicaria lapathifolia J. P. Smith, Steve Selva 1970-7-16 4389 Siskiyou Along Klamath River, 2 mi. W of Seiad Creek 518 Comment
  HSC17506  Persicaria lapathifolia Geo. D. Butler 1908-7-8 191 Siskiyou Butler's Ranch. near Yreka Comment
  JEPS75571 Image available Phacelia cookei L. R. Heckard with L. Constance and R. Ornduff 1969-6-24 2294 Siskiyou at junction of Old Military Pass Road and U. S. Highway 97 (n of Mt. Shasta); ; Military Pass Road, N of Mt. Shasta, Siskiyou Co. 1341 Comment
  JEPS75573  Phacelia cookei W. B. and V. G. Cooke 1965-7-12 35182 Siskiyou Bolam Road Mt. Shasta 1524 Comment
  CHSC110530  Phacelia corymbosa Julie Kierstead Nelson 2011-8-23 2011 -44 Siskiyou Eastern Klamath Mountains, The Eddys. North side of Fawn Creek, 2 miles NE of Gumboot Lake. Comment
  JEPS57168  Phacelia corymbosa L. R. Heckard 1967-8-13 1708 Siskiyou edge of summit fell-field Mt. Eddy 2743 Comment
  UC164114  Phacelia corymbosa Geo. D. Butler 1910-5-4 1280 Siskiyou dry hill near Yreka Comment
  POM73589  Phacelia egena Geo. D. Butler 1910-5-17 1356 Siskiyou Damp land near Yreka. Comment
  SD98970  Phacelia frigida Darley F. Howe 1977-7-5 Siskiyou Are north of Mt. Shasta. 1463 Comment
  HSC43870  Phacelia greenei Jennifer Whipple 1976-5-2 908 Siskiyou 915 Comment
  RSA60785  Phacelia greenei Dorothy Parker 1948-5-16 s.n. Siskiyou East side of Scott Valley 915 Comment
  UC1483480  Phacelia greenei Maralyn A. Renner 1980-6-9 833 Siskiyou ridge se F.S. Road 45N35; Klamath National Forest, Yreka Quad. 1341 Comment
  HSC67820  Phacelia hastata J. O. Sawyer, J. Cole 1980-7-20 3773 Siskiyou S of Grouse Hill, at N base of Badger Peak 2146 Comment
  CHSC70133  Phacelia hastata subsp. compacta Jennifer Whipple 1976-7-2 1268 Siskiyou Klamath Mountains. Mount Eddy. Dobkins Lake drainage on east facing slopes above Dobkins Lake. 2316 Comment
  SD53387  Phacelia hastata subsp. compacta Darley F. Howe 1962-8-4 3391 Siskiyou Near summit of Baldy Mt. 1737 Comment
  UC618688  Phacelia hastata subsp. compacta John Thomas Howell 1938-7-28 11359 Siskiyou North Ridges Mount Shasta Comment
  CHSC63608  Phacelia hastata subsp. hastata Vernon H. Oswald; Lowell Ahart 1994-8-10 6449 Siskiyou Pilgrim Creek Rd. (FS13) at the railroad crossing 0.9 mi N of Hwy.89, ca. 3 mi (air) ENE of McCloud. 1048 Comment
  HSC68494  Phacelia heterophylla Maralyn A. Renner 1980-6-10 868 Siskiyou Ridge 1 mi. S of Greenhorn Rd. and 1 mi. E of Mill Creek. 1341 Comment
  SEINET12280193  Phacelia heterophylla H. P. Chandler 1901-1 1655 Siskiyou Marble Mountain 2438 Comment
  RSA12604  Phacelia heterophylla subsp. virgata Carl B. Wolf 1934-7-6 5982 Siskiyou 1/4 mile east of Mt. Shasta City. Southwest slope of Mt. Shasta. 1098 Comment
  UC909961  Phacelia heterophylla subsp. virgata A. A. Heller 1916-6-23 12422 Siskiyou near Black Butte (n of Sisson) 1127 Comment
  UCD77222  Phacelia heterophylla subsp. virgata Robert E. Preston 2001-6-23 1625 Siskiyou Klamath National Forest, n-facing slope of Rainbow Mtn. 1706 Comment
  CAS-BOT-BC145046  Phacelia leonis Lincoln Constance; Rimo Bacigalupi; Lawrence R. Heckard 1960-7-20 3691 Siskiyou Twin Valley, ca. 5 miles southwest of Poker Flat, Siskiyou Mountains 1554 Comment
  JEPS57393  Phacelia linearis L. R. Heckard with T. I. Chuang 1968-7-2 1967 Siskiyou along U.S. Hwy 97 6 mi n Weed 1219 Comment
  UC163845  Phacelia linearis Geo. D. Butler 1909-5-14 742 Siskiyou n Yreka; Klamath<?> River Comment
  UC54513  Phacelia linearis H. M. Hall and E. B. Babcock June 1903 4087 Siskiyou near Edgewood; Mount Shasta, Shasta Valley 914 Comment
  JEPS74473  Phacelia mutabilis W. J. Ferlatte 1966-6-23 146 Siskiyou Big Flat Trinity Alps (wooded area near public camp) 1524 Comment
  UC1190246  Phacelia mutabilis Ira L. Wiggins 1955-7-29 13579 Siskiyou summit of ridge above Thompson Creek (trail to Caribou Lake) 1999 Comment
  HSC75096  Phacelia pringlei J. P. Smith, Thomas W. Nelson 1979-6-15 10118 Siskiyou Klamath National Forest, road to Carmen Lake, 0.6 mi. from its junction with Hwy. 3 1646 Comment
  JEPS26529  Phacelia pringlei Lauramay T. Dempster 1961-7-3 1870 Siskiyou se Callahan (w face of mt.); Scott Mountain 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
  UC1034620  Philadelphus lewisii unknown 1955-6-27 4 Siskiyou 0.8 mi n Callahan (in dredgings near Hjertagers' Mill); Klamath Mountains 975 Comment
  UC1409254  Philadelphus lewisii Frederick W. Oettinger 1968-9-8 793 Siskiyou Abbott's Lake Salmon Mountains, Marble Mountain Wilderness Area (e side, high lake basins in vicinity of English Peak, w Siskiyou Co.) 1737 Comment
  UC483998  Philadelphus lewisii Carl B. Wolf 1930-10-23 1759 Siskiyou along river 1 mi above Hamburg; Klamath River 243 Comment
  RSA0057589  Philadelphus lewisii I. L. Wiggins 1955-7-21 s.n. Siskiyou Small gulch on Rush Creek Trail 1.5 mi. above Mt. View Ranch. 1037 Comment
  RSA0057590  Philadelphus lewisii Bonnie C. Templeton 1957-6-22 s.n. Siskiyou Along the Scott River, north of Callahan. Comment
  RSA0097437  Philadelphus lewisii Bonnie C. Templeton 1930-6-15 s.n. Siskiyou Shasta River Canyon, near Yreka. Comment
  CAS-BOT-BC250789  Phleum alpinum Wm. Bridge Cooke 1938-7-15 11202 Siskiyou Mount Shasta. Bear Springs Comment
  RSA74735  Phlox adsurgens Albert M. Vollmer, L. Beane 1951-6-2 75 Siskiyou Happy Camp, Klamath River Hwy. Comment
  HSC30427  Phlox austromontana Frederick W. Oettinger 1969-7-10 964 Siskiyou Marble Mtn. Wilderness Area, S of Upper English Lake 1921 Comment
  HSC19155  Phlox diffusa J. O. Sawyer 1969-7-24 1484 Siskiyou NE facing seep SW of Sugar Lake 1890 Comment
  UC30215  Phlox diffusa W. H. Brewer 1862-9-13 1377 Siskiyou Mount Shasta 2438 Comment
  JEPS20031  Phlox gracilis George D. Butler 1909-3-19 570 Siskiyou near Yreka (Butler's ranch) Comment
  CAS-BOT-BC232827  Phlox hirsuta L. B. Kildale 1930-6-1 9830 Siskiyou Mill Creek, near Etna Mills Comment
  POM75054  Phlox hirsuta Geo D. Butler 1910-4-10 1165 Siskiyou Yreka. Comment
  CHSC4633  Phlox speciosa subsp. occidentalis R. Carter 1966-5-15 414 Siskiyou 5.3 mi. S of intersection of Calahan-Gazelle Rd. and Old Oregon Stage Rd., growing on E side of road on slope above road. Comment
  HSC81763  Phlox speciosa subsp. occidentalis Thomas W. Nelson, Jane P. Nelson 1980-7-20 6170 Siskiyou Above and to SE of Big Carmen Lake 1738 Comment
  JEPS69987  Phlox speciosa subsp. occidentalis Geo. D. Butler 1909-4-13 650 Siskiyou near Yreka Comment
  JEPS84106  Phoenicaulis cheiranthoides L. R. Heckard with J. Hickman et al. 1986-7-17 6545 Siskiyou 1 mi ne of Buckhorn 2100 Comment
  CAS-BOT-BC135022  Phoradendron bolleanum L. E. Smith 1914-3-19 s.n. Siskiyou Yerka Comment
  UCR143103  Phoradendron densum L. C. Wheeler 1934-6-26 2789 Siskiyou Siskiyou Mtns., Camp Lowe, Klamath River 765 Comment
  HSC4826  Phyllodoce empetriformis J. O. Sawyer 1968-7-22 536 Siskiyou Between Handcock and Diamond Lakes 1951 Comment
  UC1190116  Phyllodoce empetriformis Ira L. Wiggins 1955-7-27 13543 Siskiyou Salmon-Trinity Alps Primitive Area, Caribou Lake Caribou Lake; Salmon-Trinity Alps Primitive Area, Caribou Lake 2042 Comment
  UCD116161  Physaria occidentalis subsp. occidentalis J. M. Tucker; L. K. Mann, Sandra L. Holloway 1963-8-18 3756 Siskiyou Southwestern ridge of Black Mountain (Black Marble Mountain), Marble Mountain Wilderness Area. 2133 Comment
  CAS-BOT-BC140603  Physocarpus capitatus Wm. Bridge Cooke 1940-7-12 15315 Siskiyou In the Box Canyon of the Sacramento near Mount Shasta City Comment
  UC14119  Physocarpus capitatus W. H. Brewer 1862-9-7 1340 Siskiyou Upper Sacramento Ferry Camp 96; Upper Sacramento Ferry Comment
  NY30478  Picea breweriana F. M. Ownbey 1940-7-6 2205 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
  UC1409271  Picea breweriana Frederick W. Oettinger 1968-8-13 506 Siskiyou cliffs above Hell Hole (near Hancock Lake, the high lake basins in the vicinity of English Peak); Salmon Mountains, Marble Mountain Wilderness Area 1935 Comment
  NY29987  Picea breweriana W. R. Dudley 1901-8-18 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
  UCD134308  Picea engelmannii J. M. Tucker 1963-7-5 3707 Siskiyou Lower Blake's Fork of South Russian Creek (a tributary to Salmon River), ca. 7 miles (airline) east of Siskiyou County. 1524 Comment
  HSC92114  Pinus albicaulis Jennifer Whipple 1976-7-26 1587 Siskiyou Ridgecrest between Dale Creek and Dobkins Lake Drainages 2468 Comment
  RSA237210  Pinus attenuata Frederick W. Oettinger 1968-9-3 685 Siskiyou Near high ridge NW of Horse Range Lake. Salmon Mtns. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2012 Comment
  RSA29903  Pinus attenuata L. C. Wheeler 1935-4-14 3418 Siskiyou Siskiyou Mountains: West Fork Seiad Creek. (Mt. Diablo Mer.) 1159 Comment
  JEPS46803  Pinus balfouriana James B. Roof, Irja Knight 1962-10-23 Siskiyou 6 mi e of Callahan (between Mill Creek Lake and Washbasin Lakes, Salmon-Trinity Alps Primitive Area); Klamath National Forest, Salmon-Trinity Alps, Scott Mountain 1828 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
  UC463339  Pinus contorta subsp. murrayana H. M. Hall and E. B. Babcock 1903-6-1 4105 Siskiyou divide between Shasta Black Crater; Sierra Nevada, Mount Shasta 1706 Comment
  CHSC31368  Pinus jeffreyi G. Smalley 1967-7-1 Siskiyou Collected ca. 12 miles e of Callahan. 1524 Comment
  UC401392  Pinus lambertiana Geo. D. Butler 1908-8-5 520 Siskiyou Cold Spring Woolly<?> Creek Comment
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Nov 25 2011
  RSA572072  Pinus monticola L. C. Wheeler 1934-8-26 3222 Siskiyou Trapper Creek (Mt. Diablo Mer.) 1860 Comment
  UCD134814  Pinus monticola J. M. Tucker 1950-7-24 1956 Siskiyou Beside road to Brewer Creek, off the Military Road, east side of Mt. Shasta. Comment
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Mar 6 2015
  NY61942  Pinus monticola W. R. Dudley 1901-8-25 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
  UC618741  Pinus ponderosa unknown 1938-9-2 11597 Siskiyou Sisson Southern Trail Mount Shasta (Transition zone forest and chaparral belts around mountain) 1524 Comment
  SEINET8408406  Pinus sabiniana Frank Callahan 2006-1 Siskiyou forks of Salmon, South Fork. Comment
  CDA40677  Plagiobothrys greenei E. Hale 1984-5-8 s.n. Siskiyou Along Deer Meadow Road, near Yreka. 0 Comment
  JEPS32026  Plagiobothrys hispidus W. B. and V. G. Cooke 1963-7-10 34273 Siskiyou n side Mt. Shasta (in Bolam logging road); , Bolam 2133 Comment
  UC195644  Plagiobothrys hispidus I. J. Condit 1911-7-22 Siskiyou Sisson Comment
  UC163849  Plagiobothrys reticulatus Geo. D. Butler 1910-5-29 1424 Siskiyou near Yreka Comment
  POM182433  Plagiobothrys tenellus Geo. D. Butler 1910-5-6 1295 Siskiyou Yreka. Comment
  SJSU8038  Plagiobothrys tener C. L. Kline 1965-7-14 204 Siskiyou 10 mi E of McCloud 1280 Comment
  JEPS107315  Plantago lanceolata Lowell Ahart, John Dittes 2005-6-10 12118 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
  JEPS25768  Plantago lanceolata Rimo Bacigalupi with L. Constance and L. Heckard 1960-7-20 7463 Siskiyou above and due e Twin Valley (about 13 air mi nw of Happy Camp); Siskiyou Mts. 1584 Comment
  HSC27796  Platanthera dilatata var. leucostachys J. D. Ackerman 1973-7-21 107 Siskiyou South Fork Sacramento River Comment
  HSC44572  Platanthera dilatata var. leucostachys Laura Witherspoon 1977-7-30 Siskiyou Flint Valley 1341 Comment
  UC14944  Platanthera leucostachys Harley P. Chandler 1901-6-1 1726 Siskiyou near Marble Mountain (North Coast Ranges); North Coast Ranges 1828 Comment
  UC164416  Platanthera leucostachys Geo. D. Butler 1909-6-22 884 Siskiyou Goosenest foothills Goosenest Comment
  UC336576  Platanthera leucostachys unknown 1889-6-8 Siskiyou near Edgewood Comment
  HSC27799  Platanthera sparsiflora J. D. Ackerman 1973-7-27 108 Siskiyou S Fork Sacramento River Comment
  HSC30213  Plectritis congesta subsp. brachystemon William J. Ferlatte 1968-6-8 1138 Siskiyou Big Flat, wooded area near public camp. 1524 Comment
  CAS-BOT-BC458196  Pleuricospora fimbriolata Ira L. Wiggins 1955-7-24 13492 Siskiyou Ridge between upper reaches of China and Blind Horse Creeks 1645 Comment
  CAS-BOT-BC261041  Poa Gilbert Muth 1966-7-17 402 Siskiyou Trail to lookout, Marble Mts. 1828 Comment
  RSA239047  Poa bolanderi Frederick W. Oettinger 1969-8-16 1395 Siskiyou Southwest of Wire Grass meadow above English Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1677 Comment
  UCD37077  Poa bolanderi Beecher Crampton 1956-8-21 3810 Siskiyou Siskiyou County, 15 miles southwest of city of Mount Shasta, slope above Gumboot Lake, headwater of south fork of Sacramento River. 1920 Comment
  UCD90541  Poa bolanderi Francia Chisaki; Helen Sharsmith 1959-8-20 4733 Siskiyou on Carrigher's Summit. Divide between Scott River and East Fork Salmon River. 1981 Comment
  SEINET10659112  Poa bolanderi A. Arthur Heller 1914-8-28 Heller 11736 Siskiyou Mount Eddy. Found sparingly on the east side of Mount Eddy, in granite, near pine trees. 2438 Comment
  SEINET8221444  Poa bolanderi Harley P. Chandler 1901-1 1703 Siskiyou Shackleford Canon; near Marble Mountain. 1829 Comment
  HSC63  Poa compressa William J. Ferlatte 1966-6-23 139 Siskiyou Along the Yellow Rose Mine Trail. 1677 Comment
  CAS-BOT-BC255147  Poa cusickii subsp. epilis Alice Eastwood 1921-7-28 10932 Siskiyou Medicine Lake Comment
  CHSC89335  Poa pratensis G. Douglas Barbe; T. C. Fuller, J. T. Howell 1980-4-29 2627 Siskiyou Klamath Ranges. Beaver pond, 0.25 miles northeast of Oro Fino. 883 Comment
  HSC92154  Poa pratensis Jennifer Whipple 1977-7-21 2011 Siskiyou Near Durney Lake 2073 Comment
  UCD91770  Poa pringlei A. H. Murphy 1959-7-22 59 M Siskiyou Shasta National Forest. Summit between Bear Creek and Toad Lake. 2346 Comment
  CAS-BOT-BC255013  Poa secunda K. T. Stillman 1976-6-25 98 Siskiyou Marble Mountain Wilderness Area. Between Marble Gap and Elk Valley trail Comment
  POM228870  Poa secunda L. C. Wheeler 1935-5-11 3478 Siskiyou Klamath River at Ash Creek; Siskiyou Mountains. 610 Comment
  SDSU2782  Poa secunda subsp. juncifolia D. F. Howe 1977-7-1 4977 Siskiyou 10 miles north of Weaverville on #3 792 Comment
  UC589888  Poa secunda subsp. juncifolia H. S. Yates 1936-6-21 5823 Siskiyou 1 mi sw Gazelle; Etna Quadrangle 792 Comment
  HSC102656  Poa secunda subsp. juncifolia J. P. Smith 2009-6-1 12615 Siskiyou Road to Tenant. Comment
  CAS-BOT-BC243240  Poa secunda subsp. secunda John Thomas Howell; T. C. Fuller; G. D. Barbe 1980-4-29 53409 Siskiyou Fort Jones 853 Comment
  UC1132806  Poa secunda subsp. secunda H. S. Yates 1936-6-21 5816 A Siskiyou 6 mi n Gazelle; Yreka Quadrangle Comment
  UC144644  Poa secunda subsp. secunda A. A. Heller 1905-6-9 8007 Siskiyou Montague Comment
  JEPS84252  Polemonium californicum L. R. Heckard with J. Hickman et al. 1986-7-17 6453 Siskiyou ridge e Kangaroo Peak (s of Lily Pad Lake, ca 5 mi n of town of Seiad Valley) 1900 Comment
  HSC76631  Polemonium californicum K. T. Stillman 1976-6-17 17 Siskiyou Marble Mtn. Wilderness Area 1768 Comment
  SEINET13763051  Polemonium carneum G. D. Butler 1910-5-15 1344 Siskiyou McAdams Creek Comment
  CAS-BOT-BC231359  Polemonium pulcherrimum Wm. Bridge Cooke 1940-7-26 15381 Siskiyou Mount Shasta. On the west side of Shastina above Merriam's timberline Comment
  UC1025129  Polemonium pulcherrimum subsp. pulcherrimum Douglas Barbe 1955-8-1 325 Siskiyou summit of Mt. Bolivar Klamath Mountains, Scott Mtns, summit Mt. Bolivar (Scott Mtns., Klamath Mountains) 2468 Comment
  CAS-BOT-BC170343  Polygala cornuta var. cornuta Marion Ownbey; Fred G. Meyer 1940-7-3 2164 Siskiyou 7 miles northwest of McCloud Comment
  RSA237802  Polygonum aviculare Frederick W. Oettinger 1969-8-24 1531 Siskiyou Salmon Mtns. High Lake Basins in the vicinity of English Peak. Marble Mtn Wilderness Area. 1829 Comment
  JEPS50519  Polygonum convolvulus W. L. Jepson July 1894 14773 Siskiyou Sisson Comment
  UC850076  Polygonum convolvulus L. E. Smith July 1915 Siskiyou Sisson Comment
  CAS-BOT-BC414599  Polygonum douglasii Elmer I. Applegate 1923-8-20 3903 Siskiyou Medicine Lake Comment
  RSA756974  Polygonum douglasii Barbara J. Ertter 1990-7-14 93101 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-BC414585  Polygonum douglasii Wm. Bridge Cooke 1938-7-29 11422 Siskiyou Mount Shasta. Wagon Camp. Along Wagon Camp Creek Comment
  UC61060  Polygonum douglasii subsp. douglasii W. A. Setchell, C. C. Dobie 1902-7-26 Siskiyou Sisson Mount Shasta Comment
  UC637130  Polygonum douglasii subsp. spergulariiforme Annetta Carter 1934-8-10 689 Siskiyou s bank of river between McKinney Creek and Parkhouse Creek (near Hamburg); Klamath River 609 Comment
  CAS-BOT-BC418594  Polygonum minimum Louis C. Wheeler 1934-8-22 3207 Siskiyou Dead Cow Creek, Siskiyou Mts. 1828 Comment
  HSC30507  Polygonum minimum Frederick W. Oettinger 1968-8-11 472 Siskiyou Marble Mtn. Wilderness Area, NE side of creek bed, Tom Taylor Cabin 2043 Comment
  SDSU9659  Polygonum phytolaccifolium D. F. Howe 1965-8-8 4127 Siskiyou Saddle south of Little Grayback, Klamath National Forest. 1402 Comment
  RSA184755  Polygonum phytolaccifolium Gilbert Muth 1966-7-17 406 Siskiyou Trail to Lookout, Marble Mtns. 1860 Comment
  JEPS19785  Polygonum polygaloides subsp. confertiflorum Rimo Bacigalupi with S. Galen Smith 1957-6-26 5936 Siskiyou about 2 1/2 mi nw of Weed (close to U.S. Highway 99) 1005 Comment
  CAS-BOT-BC420066  Polygonum polygaloides subsp. kelloggii Alice Eastwood 1921-7-24 10752 Siskiyou Castle Lake Comment
  CAS-BOT-BC109284  Polygonum shastense Alice Eastwood 1912-9-1 2077 Siskiyou Mount Shasta. Comment
  CHSC102557  Polygonum shastense L. P. Janeway 2009-8-3 9884 Siskiyou High Cascade Range. Mt. Shasta, east-northeast slope 1.3 air km southwest of Brewer Creek Trailhead; about 0.3 km south of Brewer Creek. 2560 Comment
  LA51273  Polygonum shastense Lincoln Ellison; 1928-9-11 510 Siskiyou Mount Shasta, SW slope of mountain 2438 Comment
  RSA31752  Polygonum shastense A. A. Heller 1920-8-12 13520 Siskiyou Spring above Horse Camp Comment
  SD53344  Polygonum shastense Darley F. Howe 1962-8-6 3409 Siskiyou Mt. Shasta 2438 Comment
  HSC27015  Polygonum spergulariiforme J. P. Smith, J. O. Sawyer 1972-9-12 5766 Siskiyou Scott Mountain; 1/2 mile east of Scott Mountain Rd. (S.R. 3) 1646 Comment
  CAS-BOT-BC76832  Polypodium glycyrrhiza Lincoln Constance; Reed C. Rollins 1942-5-13 2908 Siskiyou Klamath River, 4 miles east of Seiad. 457 Comment
  CAS-BOT-BC233036  Polypogon interruptus Doris K. Kildale 1928-7-3 5418 Siskiyou Forks of Salmon River Comment
  CAS-BOT-BC237392  Polypogon monspeliensis D. H. Norris 1970-5-23 12248 Siskiyou Along Klamath River at Ishi Pishi Bridge near Somes Bar Comment
  UCD78119  Polystichum imbricans Robert E. Preston 2001-6-23 1572 Siskiyou Klamath National Forest, n slope of Rainbow Mtn, at Hemlock Lake, T42N R1W se 1/4 of se 1/4 Section 14 1889 Comment
  UC42154  Polystichum imbricans subsp. imbricans Marshall A. Howe 1897-8-8 Siskiyou near Shasta Soda Springs Comment
  HSC79130  Polystichum kruckebergii C. J. Thomas 1983-10-1 Siskiyou Box Camp Mtn. Ridge in Marble Mtn. Wilderness area 2098 Comment
  CAS-BOT-BC376179  Polystichum lemmonii Andrew Townesmith; Karen M. Meyer 2007-8-1 887 Siskiyou Shasta-Trinity National Forest. 11.7 miles up Stewart Springs road/Forest Service road 17 (distance from intersection of Stewart Springs and Old 99 Highway) 1983 Comment
  POM22933  Polystichum lemmonii E. B. Copeland 1903-8-18 3813 Siskiyou Mount Eddy 1677 Comment
  HSC79122  Polystichum lemmonii C. J. Thomas 1983-10-1 80 Siskiyou Scott Mtn. Summit, 0.5 to 0.75 mi. above Big Carmen Lake 1756 Comment
  OBI1444  Polystichum lonchitis Lawrence L. Kiefer 1963-8-9 732 Siskiyou Castle Lake, south end 2134 Comment
  CAS-BOT-BC72501  Polystichum scopulinum W. R. Maxon 1939-7-26 13744 Siskiyou above Panther Creek Meadows 2743 Comment
  CAS-BOT-BC72515  Polystichum scopulinum Louis C. Wheeler 1934-8-6 3059 Siskiyou Rock Gulch off Jaynes Canyon 1828 Comment
  HSC79132  Polystichum scopulinum C. J. Thomas 1983-10-1 97 Siskiyou Box Camp Mtn. Ridge in Marble Mtn. Wilderness, 0.5 mi. from trail 2098 Comment
  RSA1577  Populus tremuloides E. R. Johnson 1928-8-31 1197 Siskiyou 10 miles East of Bartle. Comment
  CAS-BOT-BC102960  Populus trichocarpa Geo. D. Butler 1910-4-16 1177 Siskiyou Yreka Creek Comment
  SEINET10836817  Potamogeton filiformis var. alpinus Katherine L. Morris 1973-6-2 Morris 345 Siskiyou Found at the junction of Shasta and Klamath Rivers on Hwy 263. Comment
  UC201704  Potamogeton richardsonii Geo. D. Butler 1908-8-7 142 Siskiyou Lake at head of West Fork of Wooley Creek Comment
  UC1560739 Image available Potentilla cristae W. J. Ferlatte 1988-8-10 2115 Siskiyou n-facing slope e Cory Peak (above headwaters of Cabin Meadow Creek); China Mt. se Quad., abv headwaters Cabin Meadow Creek 2194 Comment
  HSC18938  Potentilla flabellifolia J. O. Sawyer 1969-7-24 1475 Siskiyou NE facing seep SW of Sugar Lake 1890 Comment
  CAS-BOT-BC143259  Potentilla flabellifolia David Keck 1938-9-8 11626 Siskiyou Springs in the South Gate Comment
  UC860686  Potentilla gracilis A. A. Heller 1915-8-26 12232 Siskiyou n side of Mt. Eddy 1981 Comment
  JEPS81658  Potentilla millefolia L. R. Heckard with L. Constance and R. Ornduff 1969-6-24 2297 Siskiyou on U.S.97, 0.8 mi s Bray junction; Murphy Wells 1493 Comment
  UC1037232  Potentilla millefolia Leo Whitney 1934-6-10 3035 Siskiyou Antelope Creek near Tennant; Antelope Creek near Tennant 1463 Comment
  UC545655  Potentilla millefolia Alice Eastwood, John Thomas Howell 1934-4-20 1781 Siskiyou Gazelle Comment
  CAS-BOT-BC158526  Potentilla millefolia A. A. Heller 1938-7-13 15266 Siskiyou About a mile south of Bray, along U. S. Highway #97 Comment
  CAS-BOT-BC158531  Potentilla millefolia Frank Gould; Kay H. Beach 1940-5-16 644 Siskiyou About 24 miles north of Weed on the road to [Klammath] Klamath Falls Comment
  CHSC118638  Potentilla millefolia Julie Kierstead Nelson; Martin Lenz, Rhonda Posey, Brenna Motagne 2016-6-9 2016 -008 Siskiyou Lower Parks Creek watershed, E Klamath Range; along Forest Service Road 42N19, 3 miles nothwest of Stewart Springs UTM NAD 83 Zone 10, 539582m E, 4586490m N. 1371 Comment
  RSA105311  Potentilla millefolia M. S. Baker 1955-6-26 13080 Siskiyou Shasta Valley, between Weed and Gazella. 915 Comment
  CHSC118455  Potentilla recta Julie Kierstead Nelson; Martin Lenz, Rhonda Posey, Brenna Montagne 2016-6-9 2016 -027 Siskiyou Lower Parks Creek watershed, E Klamath Range; slope above Forest Service Road 42N19, 4 miles northwest of Stewart Springs. UTM NAD 83 Zone 10, 539166m E, 4587170m N. 1529 Comment
  UC61041  Prunella vulgaris var. lanceolata W. A. Setchell, C. C. Dobie 1902-7-15 Siskiyou Mount Shasta Sisson; , Sisson Comment
  UC1408768  Prunella vulgaris var. lanceolata Frederick W. Oettinger 1969-8-18 1422 Siskiyou just w Horse Range Lake outlet (the high lake basins in the vicinity of English Peak, Marble Mountain Wilderness Area, western Siskiyou County); Marble Mountain Wilderness Area, Salmon Mountains 1821 Comment
  CAS-BOT-BC158203  Prunus emarginata A. A. Heller 1920-8-12 13511 Siskiyou Two miles from Sisson on the Mt. Shasta trail Comment
  CAS-BOT-BC158208  Prunus emarginata John Thomas Howell 1937-7-25 13449 Siskiyou Caribou Basin, Salmon-Trinity Alps 2286 Comment
  CAS-BOT-BC158222  Prunus emarginata Annetta Carter 1939-8-19 1455 Siskiyou 3.5 miles north of Dunsmuir 914 Comment
  CAS-BOT-BC158235  Prunus emarginata L. B. Kildale 1930-6-1 9790 Siskiyou Black Bear trail to Sawyers Bar Comment
  HSC60166  Prunus emarginata J. P. Smith 1976-5-21 8763 Siskiyou Klamath National Forest, FS Rd. 40N08, 6.9 mi. from its junction with Hwy. 3 1524 Comment
  CAS-BOT-BC154679  Prunus subcordata Lincoln Constance; Reed C. Rollins 1942-5-14 2922 Siskiyou Road to Walker Post Office, 3 miles west of Yreka 1219 Comment
  CAS-BOT-BC151247  Prunus virginiana var. demissa Edward Lee 1934-8-14 1101 Siskiyou Little Grayback, near and at summit, Siskiyou-Del Norte County line. 1868 Comment
  RSA15596  Prunus virginiana var. demissa Carl B. Wolf 1927-8-27 1111 Siskiyou On the Klamath River, Happy Camp. Comment
  CAS-BOT-BC356386  Pseudognaphalium beneolens Geo. B. Grant 1902-9-6 5075 Siskiyou Sisson Comment
  UCD135254  Pseudognaphalium thermale J. P. Smith 1972-9-13 5785 Siskiyou 1/2 mile west of Cook and Green Pass on road to Lily Pad Lake. Comment
  CAS-BOT-BC239819  Pseudoroegneria spicata Elmer I. Applegate 1935-6-5 9317 Siskiyou Capt. Jack's Stronghold, Lava Beds National Monument Comment
  JEPS100200  Pseudoroegneria spicata Dean W. Taylor 2002-6-10 18124 Siskiyou Scott Mountain, Forest Road 40N08 0.25 miles E of the junction with Highway 3 (3 miles NE from Scott Mountain summit) 1341 Comment
  JEPS96674  Pseudoroegneria spicata subsp. spicata Dean W. Taylor 1997-6-12 16062 Siskiyou hillslopes at base of Scott Mountains at mouth of Willow Creek, Shasta Valley); ca. 4 miles west of Gazelle 944 Comment
  POM161561  Pseudoroegneria spicata subsp. spicata Geo D. Butler 1910-7-3 1626 Siskiyou Goose nest foothills 1220 Comment
  HSC91396  Pseudostellaria jamesiana Jennifer Whipple 1976-7-9 1380 Siskiyou Dale Creek drainage on the N face of Mount Eddy. 2195 Comment
  RSA789820  Pseudostellaria jamesiana Rebecca Wenk 2005-7-16 257 Siskiyou Trinity Alps, South Fork of the Salmon River. South end of Big Flat Meadow. 1494 Comment
  UC637120  Pterospora andromedea Edward Lee 1934-8-13 1077 a Siskiyou Happy Camp to Waldo (OR) road Klamath National Forest, watershed of West Branch of Indian 1432 Comment
  CAS-BOT-BC460556  Pterospora andromedea H. A. Thomas; J. H. Thomas 1954-7-21 4400 Siskiyou Salmon-Trinity Mts. About 6 miles SE of Cecilville. West side of Rush Creek 1158 Comment
  SEINET7238921  Pterospora andromedea W. Roderick 1967-7-27 s.n. Siskiyou High Road, S of Etna 1676 Comment
  SEINET193347  Pteryxia terebinthina var. californica Lincoln Constance, Reed C. Rollins 1942-5-14 2924 Siskiyou Road to Walker Post Office 4 miles west of Yerka. 1219 Comment
  UCD22429  Purshia tridentata Brian Vanden Heuvel 2003-4-10 190 Siskiyou Shasta National Forest. 1.6 miles east of McCloud on CA 89, on south side of road. Comment
  UCR13736  Purshia tridentata N. R. Zabriskie, W. W. Zabriskie 1971-7-23 411 Siskiyou Hwy 89 just east of McCloud, southeast of Mt. Shasta Comment
  CAS-BOT-BC147906  Purshia tridentata var. tridentata Alice Eastwood 1923-5-22 11898 Siskiyou Sisson, road to Mt. Shasta Comment
  HSC42218  Purshia tridentata var. tridentata S. Saufferer 1973-5-25 230 Siskiyou About 2 mi. NE of Weed, along Hwy. 97 Comment
  HSC60169  Purshia tridentata var. tridentata J. P. Smith 1976-5-22 8780 Siskiyou Callahan Rd. along the E side of Scott Valley 1037 Comment
  POM88105  Purshia tridentata var. tridentata Geo. D. Butler 1910-4-16 1184 Siskiyou Shasta River. Comment
  RSA45345  Pycnanthemum californicum Dorothy Parker 1946-8-17 s.n. Siskiyou Mill Lane, Plowman s Valley 1189 Comment
  CAS-BOT-BC460862  Pyrola aphylla W. R. Dudley 1893-6-21 s.n. Siskiyou Sides of Mt. Shasta Comment
  CAS-BOT-BC460872  Pyrola aphylla L. E. Smith 1913-7-1 424 Siskiyou Dunsmuir Comment
  CAS-BOT-BC465506  Pyrola asarifolia A. A. Heller 1921-6-28 13559 Siskiyou At the State Teachers College near Mt. Shasta Comment
  HSC23584  Pyrola asarifolia subsp. asarifolia J. O. Sawyer 1970-7-3 2312 Siskiyou W of camp 3 1524 Comment
  RSA467923  Pyrola dentata M. B. Dunkle 1944-7-17 9118 Siskiyou Deer Creek. Comment
  UC722480  Pyrola picta C. L. Hitchcock, J. S. Martin 1939-7-8 5301 Siskiyou 15 mi n of Happy Camp (on Happy Camp-Takilma Highway); Happy Camp-Takilma Highway 914 Comment
  CAS-BOT-BC466138  Pyrola picta Ira L. Wiggins 1955-7-23 13472 Siskiyou Banks of China Creek 1097 Comment
  UC138183  Pyrrocoma carthamoides var. cusickii J. W. Congdon 1900-8-18 Siskiyou Castle Lake Trail, Shasta Region Comment
  CAS-BOT-BC123570  Pyrrocoma racemosa var. 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
  HSC19227  Quercus chrysolepis J. O. Sawyer 1968-9-28 751 Siskiyou Along ridge NE of Orleans Mtn. 1677 Comment
  JEPS46645  Quercus chrysolepis Mrs. Jared Stirring 1897-5 Siskiyou Etna Mills Comment
  UC165275  Quercus garryana Geo. D. Butler 1908-8-16 233 Siskiyou near Yreka Comment
  CAS-BOT-BC62755  Quercus garryana var. breweri John Thomas Howell 1934-7-4 12384 Siskiyou Lava flow between Timbered Crater and Little Hot Springs Valley Comment
  CAS-BOT-BC62764  Quercus garryana var. breweri H. E. Brown 1897-7-15 597 Siskiyou on the south side of Mt. Shasta 3048 Comment
  HSC71373  Quercus kelloggii J. P. Smith, Steve Selva 1970-7-17 4431 Siskiyou Along Klamath River. Comment
  RSA293148  Quercus kelloggii J. P. Smith, Steve Selva 1970-7-17 4431 Siskiyou Along Klamath River. Comment
  CAS-BOT-BC104344  Quercus sadleriana Marion Ownbey; Fred G. Meyer 1940-7-8 2230 Siskiyou Near summit of Siskiyou Mountains, 20 miles N of Happy Camp Comment
  UCD14458  Quercus sadleriana G. L. Stebbins 1972-7-3 s.n. Siskiyou California, Siskiyou Co.; 0.5 mi. east of Cook and Green Pass; north of Seiad Valley, T 47N, R 11W, Sect. 9, Seiad Valley Quadrangle; Comment
  UCD47224  Quercus sadleriana Henry Scherer 1954-8-20 s.n. Siskiyou Tickner Creek Trail, Happy Camp Ranger District, Klamath National Forest, Siskiyou County, California. Comment
  UCD59190  Quercus sadleriana Steve Edwards; Wayne Roderick 1983-7-10 105 Siskiyou East of Cook and Green Pass 1524 Comment
  UCSB3289  Quercus sadleriana Breedlove, Dennis 1962-6-10 Siskiyou Southwest slope of Little Greyback Mountain along Indian Creek Road from O'Brien to Happy Camp, 20.7 miles northwest of Happy Camp; Siskiyou Mountains 1554 Comment
  HSC8301  Quercus vacciniifolia Jerry Parker 1968-10-6 142 Siskiyou Salmon Mtns. ridge above Sugar Lake Comment
  JEPS20043  Quercus vacciniifolia George D. Butler Aug 1908 230 Siskiyou near Cold Spring Camp; Wooley Creek 1676 Comment
  UC338543  Quercus vacciniifolia unknown 1888-8-24 Siskiyou near Castle Lake (near Sisson's) Comment
  UCD14013  Quercus vacciniifolia John M. Tucker 1948-8-3 1776 Siskiyou California, Siskiyou Co.; 6.7 mi. (by road) below the summit of Happy Camp - Waldo road; Comment
  UCD14014  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
  UCD47463  Quercus vacciniifolia D. Sanchez-Mata; P. Rodriguez-Rojo 1997-7-13 s.n. Siskiyou Callahan-Cecilville. Cecilville Road. Klamath National Forest. 1650 Comment
  SEINET3159745  Ranunculus alismifolius G. D. Butler 1910-5-10 1322 Siskiyou Bulls meadows; Goosenest mountain 1676 Comment
  JEPS74462  Ranunculus eschscholtzii W. J. Ferlatte 1967-7-26 758 Siskiyou Sawtooth Ridge Trinity Alps, Caribou Basin 2042 Comment
  RSA183667  Ranunculus eschscholtzii var. suksdorfii Gilbert Muth 1965-8-6 183 Siskiyou Marble Mountains; backside of Black Mountain Comment
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May 28 2009
  UC922382  Ranunculus eschscholtzii var. suksdorfii Annie M. Alexander and Louise Kellogg 1949-7-22 5847 Siskiyou trail to Kings Castle Marble Mountains, Paradise Lake 1920 Comment
  UC1126185  Ranunculus glaberrimus M. H. Mitchell 1936-5-21 46 Siskiyou Capt. Jacks Cave Modoc Lava Beds Natl. Monument, Dorris Quadrangle 1341 Comment
  NY214641  Ranunculus marmorarius H. P. Chandler 06 1901 1691 Siskiyou Ridges and meadows near Marble Mountain 2286.0 Comment
  RSA0005358  Ranunculus marmorarius H. P. Chandler 1901-06 1691 Siskiyou Near Marble Mountain 2134 Comment
  UC827920  Ranunculus occidentalis A. A. Heller 1915-7-18 12118 Siskiyou Metcalf's Ranch Mt. Eddy (ne base of mt.) 1188 Comment
  UC165304  Ranunculus occidentalis Geo. D. Butler 1909-3-20 568 Siskiyou near Scott River Comment
  POM178063  Ranunculus occidentalis var. ultramontanus Marcus E. Jones 1930-7-10 25294 Siskiyou Lake Tahoe. Comment
  JEPS74464  Ranunculus orthorhynchus var. orthorhynchus W. J. Ferlatte 1966-6-23 145 Siskiyou near public camp; Trinity Alps, Big Flat 1524 Comment
  RSA12076  Rhamnus purshiana Louis C. Wheeler 1934-11-7 3360 Siskiyou Siskiyou Mountains: Gottville, Klamath River. 567 Comment
  HSC36760  Rhododendron macrophyllum Brent Whiteley 1975-6-28 77 Siskiyou 915 Comment
  RSA697558  Rhododendron macrophyllum Leo Miller 1938-07 s.n. Siskiyou Siskiyou, Mountains. 915 Comment
  SEINET10907249  Rhododendron occidentale Mary Merello 1993-6-22 Merello 688 Siskiyou Shasta National Forest outside of Mt. Shasta City. Along Forest Service Road 26 to Lake Siskiyou. Mixed conifer forest along rocky, gravely slopes of the Sacramento River. 1090 Comment
  CAS-BOT-BC199742  Rhododendron occidentale var. paludosum Alice Eastwood 1923-5-29 11993 Siskiyou Shasta Springs Comment
  HSC58864  Rhododendron occidentale var. paludosum Marvin Butler 1971-7-16 145 Siskiyou Near El Capitan Lake, close to the town of Cave Junction 1524 Comment
  HSC68677  Rhododendron occidentale var. paludosum Maralyn A. Renner 1980-7-4 1433 Siskiyou Clear Creek Trail, N of Trout Camp. 1067 Comment
  POM127811  Rhus trilobata var. quinata L. R. Abrams 1922-8-6 9909 Siskiyou Klamath River 6 miles below Hornbrook Comment
  SEINET3155932  Rhus trilobata var. quinata G. D. Butler 1910-6-29 1615 Siskiyou near Yreka Comment
  UC160397  Ribes I. J. Condit 1911-7-22 Siskiyou Shasta trail 1676 Comment
  CAS-BOT-BC438007  Ribes L. B. Kildale 1930-6-1 9776 Siskiyou Black Bear trail to Sawyers Bar Comment
  CAS-BOT-BC438010  Ribes W. R. Dudley 1899-8-8 s.n. Siskiyou Near Big Springs - Sisson Comment
  CAS-BOT-BC92544  Ribes binominatum L. E. Smith 1913-5-27 68 Siskiyou Yreka. Comment
  JEPS48555  Ribes binominatum Hilda W. Grinnell 1935-6-8 Siskiyou head Dogget Creek (Deer Creek Ranger Station); Siskiyou Mts. 1798 Comment
  CAS-BOT-BC173295  Ribes lacustre John Thomas Howell; Gordon H. True 1972-6-8 48858 Siskiyou South of summit on road from Takilma to Happy Camp Comment
  JEPS86078  Ribes lacustre Wayne Roderick 1966-6-26 Siskiyou Cook and Green Pass 1371 Comment
  UC1736426  Ribes lacustre Dean W. Taylor 1999-6-9 17228 Siskiyou Siskiyou Mountains, ca. 5 air miles WSW Hilt, very headwaters of South Fork Hungry Creek 1371 Comment
  CAS-BOT-BC173289  Ribes lacustre Lester Rowntree 1934-3-11 s.n. Siskiyou Summit Divide, Happy Camp Road Comment
  HSC65646  Ribes lobbii J. P. Smith 1976-5-21 8777 Siskiyou Klamath National Forest, FS Rd. 40N08, 12.3 mi. from its junction with Hwy. 3 1220 Comment
  JEPS25643  Ribes lobbii Rimo Bacigalupi with Mr. and Mrs. Van Deventer 1959-7-9 7282 Siskiyou meadow at Poker Flat Poker Flat 1536 Comment
  SEINET3151805  Ribes lobbii G. D. Butler 1910-5-30 1442 Siskiyou Humbug Creek Comment
  JEPS25641  Ribes marshallii Rimo Bacigalupi with Mr. and Mrs. Van Deventer 1959-7-9 7280 Siskiyou Poker Flat 1536 Comment
  RSA237678  Ribes marshallii Frederick W. Oettinger 1969-7-9 935 Siskiyou Northwest of Upper English Lake. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1921 Comment
  SEINET13942690 Image available Ribes nevadaense A. A. Heller 1920-1 13513 Siskiyou Along Mt. Shasta trail at about 5500 ft elev 1676 Comment
  CAS-BOT-BC199990  Ribes roezlii var. cruentum Doris K. Kildale 1929-7-20 8673 Siskiyou Raspberry Lake, upper Indian Creek 1828 Comment
  CAS-BOT-BC200010  Ribes roezlii var. cruentum Doris K. Kildale 1929-8-25 9097 Siskiyou Wiskey Lake, trail to Preston Peak 1524 Comment
  CAS-BOT-BC200007  Ribes roezlii var. cruentum Doris K. Kildale 1929-7-20 8543 Siskiyou South Fork of Indian Creek near Gilmores Comment
  JEPS49240  Ribes sanguineum Geo. D. Butler 1909-4-26 672 Siskiyou Quartz Valley Comment
  CAS-BOT-BC173909  Ribes velutinum Alice Eastwood; John Thomas Howell 1934-4-20 1758 Siskiyou Near Yreka along Shasta River Comment
  RSA0020883  Ribes velutinum Geo. D. Butler 1910-5-8 1308 Siskiyou Near Yreka. Comment
  HSC29417  Ribes viscosissimum Frederick W. Oettinger 1968-8-10 467 Siskiyou Salmon Mountains, High Lake Basins in the vicinity of English Peak, Marble Mountain Wilderness Area; east side of Hancock Lake 1936 Comment
  LA205491  Ribes viscosissimum W. B. C.; 1939-6-30 13570 Siskiyou Mount Shasta, near the source of MacBride Springs 1523 Comment
  SEINET12220409  Ribes viscosissimum H. P. Chandler 1901-1 1597 Siskiyou near Marble Mountain, North Coast Ranges 2134 Comment
  HSC46224  Rigiopappus leptocladus Jennifer Whipple 1978-6-5 2335 Siskiyou Weston Gulch in Scott Valley 854 Comment
  UCD77974  Rorippa curvisiliqua Robert E. Preston 2002-7-14 1928 Siskiyou Klamath National Forest, N slope of Rainbow Mountain 1763 Comment
  CHSC33835  Rorippa curvisiliqua var. occidentalis R. E. Preston 1981-5-2 59 Siskiyou On bank of Camp Creek at confluence with Irongate Reservoir; ca. 32 km ne of Yreka. 702 Comment
  RSA15595  Rosa eglanteria Carl B. Wolf 1927-8-27 1112 Siskiyou On the Klamath River, Happy Camp. Comment
  CAS-BOT-BC146747  Rosa gymnocarpa Marian L. Campbell 1921-7-26 s.n. Siskiyou Near Castle Crags Comment
  CAS-BOT-BC146753  Rosa gymnocarpa Doris K. Kildale 1929-8-24 9065 Siskiyou Trail to Preston Peak, between Young's Valley & Rattlesnake Meadow 1524 Comment
  CAS-BOT-BC146758  Rosa gymnocarpa Doris K. Kildale 1929-5-31 9126 Siskiyou Cecilville, south fork of Salmon River Comment
  RSA237785  Rosa gymnocarpa Frederick W. Oettinger 1969-7-11 970 Siskiyou Between English Lake and Diamond Lake. Salmon Mtns. High Lake Basins in the vicinity of English Peak. Marble Mtn Wilderness Area. 1951 Comment
  SJSU6062  Rosa gymnocarpa R. W. Trivelpiece 1971-6-18 13 Siskiyou Little S Fork Salmon R c. 3 mi S of Cecilville, Salmon R Mts 609 Comment
  UC527337  Rosa pisocarpa C. B. Wolf 1931-9-2 2390 Siskiyou at roadside near Fish Hatchery; Mt. Shasta City (Sisson) 1066 Comment
  CAS-BOT-BC147053  Rosa pisocarpa L. E. Detling 1950-6-11 6631 Siskiyou Siskiyou Pass Comment
  SEINET11897196  Rosa pisocarpa C. G. Pringle 1882-1 s.n. Siskiyou Pacific slope Comment
  CAS-BOT-BC149745  Rosa woodsii subsp. ultramontana Elmer I. Applegate 1923-8-21 3919 Siskiyou Willow Creek, south of Lower Klamath Marsh Comment
  JEPS44737  Rubus leucodermis W. L. Jepson July, 1894 13880 Siskiyou near Sisson (foot of Black Butte (Muir Peak) = Sugar Loaf); Mt. Shasta, foot of Black Butte (Muir Peak) Comment
  CAS-BOT-BC147323  Rubus parviflorus Doris K. Kildale 1928-7-2 5383 Siskiyou Salmon Summit via Ham Creek Trail 1981 Comment
  HSC99686  Rubus ursinus J. O. Sawyer 1969-6-12 893 Siskiyou Along C.C.C. road just S of Sugar Creek 1463 Comment
  JEPS82449  Rumex acetosella Gilbert Muth 1966-7-18 412 Siskiyou meadow above Marble Valley; Marble Mountain Wilderness Area, Marble Gap Trail 1828 Comment
  UCD101073  Rumex acetosella John M. Tucker 1974-7-28 4316 Siskiyou Siskiyou Co.; Marble Mountain Wilderness Area, Haypress Meadows. 1463 Comment
  CHSC88096  Rumex salicifolius Jenny Marr 1993-7-1 106 Siskiyou Butte Valley Wildlife Area, +/- 7 air miles NW of the town of MacDoel. Meadow NW of Meiss Lake. 1349 Comment
  CAS-BOT-BC433865  Rumex salicifolius Peter H. Raven 1956-8-11 10068 Siskiyou 9.6 miles south of turnoff to Bray on U.S. Highway 91 Comment
  JEPS39903  Rumex salicifolius var. denticulatus W. L. Jepson 1937-7-30 18534 Siskiyou near Poker Flat; Summit Siskiyou Mts. 1554 Comment
  RSA120933  Sagina decumbens subsp. occidentalis G. D. Barbe 1957-7-14 393 Siskiyou Salmon-Trinity Alps Wilderness Area, w/s of private road S of Big Flat Public Camp, Klamath National Forest. About 1 mile S of boundary gate. Comment
  RSA237867  Sagina decumbens subsp. occidentalis Frederick W. Oettinger 1969-9-5 1688 Siskiyou South side of David Mt., Abbotts Lake region. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1677 Comment
  CAS-BOT-BC102799  Salix bebbiana Elmer I. Applegate s.n. Siskiyou Willow Creek, near Dome Mountain, south of Lower Klamath Lake 1219 Comment
  UC5247  Salix boothii Milo S. Baker 1893-8-8 Siskiyou Medicine Lake 1981 Comment
  CAS-BOT-BC103545  Salix commutata Doris K. Kildale 1928-8-19 6572 Siskiyou Hancock Lake on trail to Marble Mt. 2133 Comment
  HSC45040  Salix delnortensis J. O. Sawyer, E. Cope 1977-6-19 2953 Siskiyou Clear Creek Trail between Preston Creek and Trout Camp 915 Comment
  HSC22278  Salix eastwoodiae J. O. Sawyer 1969-7-24 1481 Siskiyou SW slope above Sugar Lake 1890 Comment
  JEPS84288  Salix eastwoodiae L. R. Heckard with J. Hickman et al. 1986-7-17 6514 Siskiyou n slope Condrey Mt. 1960 Comment
  UC1409264  Salix eastwoodiae Frederick W. Oettinger 1968-9-3 690 Siskiyou near Horse's Hole Horse Range Lake Basin; Salmon Mts, High Lake Basins, English Peak vicinity, Marble 1828 Comment
  POM107070  Salix exigua Geo. D. Butler 1909-9-20 1082 Siskiyou Yreka Creek. 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
  CAS-BOT-BC107654  Salix jepsonii Alice Eastwood 1921-7-24 10716 Siskiyou Castle Lake Comment
  LA208812  Salix lasiandra Louis C. Wheeler; 1934-7-5 2893 Siskiyou Siskiyou Mts, Hungry Creek, Mt Diablo Mer 1371 Comment
  HSC28673  Salix lasiandra var. lasiandra Frederick W. Oettinger 1968-8-12 487 Siskiyou Marble Mtn. Wilderness Area, W of Hancock Lake 1890 Comment
  JEPS80664  Salix lasiandra var. lasiandra W. B. and V. G. Cooke 1977-9-22 54823 Siskiyou near Deter Camp Mt. Shasta Comment
  UC482233  Salix lasiolepis Mrs. H. P. Bracelin 1931-6-19 410 Siskiyou about 16 km nw Shasta City (ne side of mt., edge of stream above Metcalf ranch house); Mount Eddy 1425 Comment
  CAS-BOT-BC128348  Salix lasiolepis var. lasiolepis L. E. Smith 1913-3-28 613 Siskiyou Weed Comment
  RSA237997  Salix lemmonii Frederick W. Oettinger 1969-7-18 1060 Siskiyou E side of Upper English Lake. Salmon Mtns. High Lake Basins in the Vicinity of English Peak. Marble Mtn Wilderness Area. 1890 Comment
  RSA5731  Salix lucida subsp. lasiandra H. P. Bracelin 1931-6-21 473 Siskiyou N base of Mt Eddy. About 13 km NW of Shasta City. At bridge, about 1.3 km E of Burney Mill. 1110 Comment
  CAS-BOT-BC125696  Salix melanopsis Alice Eastwood 1921-7-25 10829 Siskiyou Bigelows, McCloud River 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-BC129035  Salix scouleriana Geo. B. Grant 1902-9-11 5168 Siskiyou Sisson 1127 Comment
  CAS-BOT-BC129075  Salix scouleriana Elmer I. Applegate 1935-6-11 9511 Siskiyou East Base of Cinder Cone, near the southwest corner of the Lava Beds National Monument Comment
  HSC28680  Salix scouleriana Frederick W. Oettinger 1968-8-2 363 Siskiyou Marble Mtn. Wilderness Area, outlet of Diamond Lake 2073 Comment
  HSC28682  Salix scouleriana Frederick W. Oettinger, R. F. Thorne 1969-8-8 1308 Siskiyou Marble Mtn. Wilderness Area, English Lake 1738 Comment
  POM107277  Salix scouleriana Geo. D. Butler 1910-4-3 1155 Siskiyou Humbug Mtn Comment
  POM362925  Salix scouleriana H. P. Bracelin 1931-6-20 444 Siskiyou E side of Mount Eddy. About 17 km NW of Shasta City. Wagon Creek Canyon. About 1 km up from Metcalf ranch house. 1170 Comment
  SD880  Salix scouleriana Mrs. H. P. Bracelin 1931-6-19 435 Siskiyou North base of Mount Eddy, about 10 km northwest of Shasta City, east of Metcalf Ranch House 1079 Comment
  CAS-BOT-BC220803  Salvia dorrii var. dorrii Elmer I. Applegate 1935-6-8 9450 Siskiyou Summit of Sconchin [Schonchin] Butte, Lava Beds National Monument Comment
  CAS-BOT-BC225205  Salvia sonomensis L. E. Smith 1913-1-1 s.n. Siskiyou Mt. Shasta Comment
  CAS-BOT-BC238879  Sambucus nigra subsp. caerulea Geo. D. Butler 1910-5-29 1425 Siskiyou Near Yreka Comment
  HSC3965  Sambucus nigra subsp. caerulea D. M. Thomson 1965-8-7 176 Siskiyou California Lava Beds National Monument, 1 mile up Cave Loop Trail. Comment
  CAS-BOT-BC236481  Sambucus racemosa subsp. racemosa Doris K. Kildale 1928-8-19 6500 Siskiyou English Lake, head of north fork of Salmon River Comment
  HSC19413  Sambucus racemosa var. melanocarpa J. O. Sawyer 1968-7-23 592 Siskiyou Along trail from Brown's Valley to Caribou Basin including areas around Snowslide Lake and Caribou Lake. 1829 Comment
  UC169066  Sambucus racemosa var. microbotrys Harley P. Chandler 1901-6-25 1610 Siskiyou Upper Cotter Valley [Cuddihy Valley] (ridges and meadows near Marble Mountain); North Coast Ranges 2133 Comment
  RSA211474  Sanicula tuberosa William J. Ferlatte 1967-6-30 589 Siskiyou Along the south fork of the Salmon River between the campground and Carter s 1524 Comment
  CHSC81485  Sarcobatus vermiculatus Ann Willyard 2000-6-21 417 Siskiyou On private ranch ca. 3 air mi n Lake Shastina, ca. 3 air mi e Interstate 5; ca. 1 air mi w Hole-in-the-Ground-Springs. UTM: 10 547700 E 4602900 N. 792 Comment
  HSC104296  Sarcodes sanguinea Samantha E. Andres 2016-6-5 18 Siskiyou About 25 yds. from the intersection of Doe Flat and Devil's Punchbowl Trailheads, going towards Trout Camp 1269 Comment
  JEPS74528  Saxifraga aprica W. J. Ferlatte 1966-6-22 73 Siskiyou Josephine Lake Basin; Trinity Alps, Josephine Lake Basin 1676 Comment
  UC1299672  Saxifraga aprica Freed W. Hoffman 1950-7-13 3647 Siskiyou Baldy Mountain Comment
  RSA238318  Saxifraga ferruginea Frederick W. Oettinger 1968-8-1 337 Siskiyou South side of Hancock Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2043 Comment
  UC630404  Saxifraga ferruginea Annetta Carter 1939-8-21 1473 Siskiyou 12 mi sw of Etna (above ne end of Taylor Lake); Salmon Mountains 2194 Comment
  JEPS6899  Saxifraga mertensiana W. Brookfield 1953-7-27 232 a Siskiyou near Paradise Lake (Marble Mountain Wilderness Area); Marble Mountain Wilderness Area 1981 Comment
  RSA184748  Saxifraga odontoloma Gilbert Muth 1966-7-24 442 Siskiyou Marble Valley, along creek, Marble Mountains. 1793 Comment
  JEPS47548  Saxifraga oregana W. L. Jepson July 1894 13476 Siskiyou Sisson Comment
  HSC718  Saxifragopsis fragarioides William J. Ferlatte 1967-8-20 1054 Siskiyou Caribou Basin, Sawtooth Ridge 2043 Comment
  JEPS82436  Saxifragopsis fragarioides Gilbert Muth 1966-7-25 452 Siskiyou below lookout n Marble Rim; Marble Mountain Wilderness Area 2072 Comment
  RSA121320  Schedonorus pratensis H. S. Yates 1936-6-21 5866 Siskiyou 6 miles N of Gazelle. 793 Comment
  UC1100759  Scirpus acutus var. occidentalis Verne Grant and Irving Schneider 1947-8-25 8283 Siskiyou w side Tule Lake; w side of Tule Lake Comment
  HSC19543  Scirpus congdonii J. O. Sawyer 1969-7-18 1412 Siskiyou Head of S Russian Creek 1829 Comment
  HSC69227  Scirpus congdonii Maralyn A. Renner 1980-8-31 2617 Siskiyou Twin Valley. 1494 Comment
  SEINET7592337 Image available Scirpus congdonii Frederick W. Oettinger, R. F. Thorne 1969-8-8 1290 Siskiyou High lake basins in the vicinity of English peak marble mountain wilderness area 1829 Comment
  RSA210796  Scirpus nevadensis Robert F. Thorne, James Henrickson, C. W. Tilforth 1969-9-3 39044 Siskiyou 2 miles W of Lower Klamath National Wildlife Refuge 1296 Comment
  SEINET8390357  Scirpus robustus G. D. Butler 1910-8-21 1847 Siskiyou Shasta Valley. Comment
  HSC44712  Scutellaria antirrhinoides J. O. Sawyer, E. Cope 1977-6-18 2918 Siskiyou Along Clear Creek Trail between Ten Mile Creek and Bear Pen Creek 610 Comment
  JEPS62914  Scutellaria antirrhinoides W. L. Jepson July 1894 21225 Siskiyou Sisson Comment
  RSA211224  Scutellaria antirrhinoides William J. Ferlatte 1966-8-3 266 Siskiyou Along the south fork of the Salmon River between the campground and Carter s. 1524 Comment
  JEPS24006  Scutellaria antirrhinoides Rimo Bacigalupi with Drs. Reino and Aloha Alava 1958-9-2 6867 Siskiyou about 3 mi below (n of) Scott Mountain (road summit, on road to Callahan) 1219 Comment
  CAS-BOT-BC214258  Scutellaria nana Wm. Bridge Cooke 1940-7-26 15370 Siskiyou South side of Diller Canyon, Mount Shasta 2743 Comment
  JEPS57135  Scutellaria nana L. R. Heckard 1967-7-5 1602 Siskiyou Bolam Mount Shasta (along logging road, n side of Mount Shasta) 1524 Comment
  UC1211910  Scutellaria siphocampyloides Roy L. Taylor 1960-6-12 4442 Siskiyou above the Klamath River (1 mi w of jct Hwy 96 (Klamath River Road) and Hwy 99 n of Yreka) Comment
  UC164121  Scutellaria siphocampyloides Geo. D. Butler 1909-6-20 939 Siskiyou near Yreka Comment
  UCD125688  Scutellaria siphocampyloides Robert E. Preston 1995-6-22 897 Siskiyou Irongate Reservoir, on open slopes W of Mirror Cove. 731 Comment
  RSA64691  Scutellaria siphocampyloides Albert M. Vollmer, L. Beane 1951-6-2 42 Siskiyou Klamath River Hwy, between US 99 and Gottville. Comment
  CAS-BOT-BC240101  Secale cereale R. E. Frenkel 1963-7-15 241 Siskiyou To west of Everitt Memorial Highway, 1.7 miles north of McCloud River RR crossing near Mount Shasta 1290 Comment
  RSA0078508  Sedum kiersteadiae Douglas Barbe 1955-7-26 265 Siskiyou NW slope of Scott Mt. 1829 Comment
  UC205192  Sedum lanceolatum Harley P. Chandler June, 1901 1669 Siskiyou Marble Mountain North Coast Ranges, Marble Mountain 2438 Comment
  RSA233710  Sedum lanceolatum Frederick W. Oettinger 1969-7-25 s.n. Siskiyou Scott Mts., Shasta-Trinity National Forest: ca. 15 air mi. SW of Weed near Kangaroo Lake Campground. Comment
  CAS-BOT-BC64648  Sedum obtusatum subsp. boreale Alice Eastwood 1923-5-23 s.n. Siskiyou Cantara, S.P.R.R. Comment
  CHSC460  Sedum obtusatum subsp. boreale V. Holt 1932-6-26 Siskiyou Mt. Eddy. 1981 Comment
  CHSC72211  Sedum obtusatum subsp. obtusatum Vernon H. Oswald; Lowell Ahart 1998-8-3 9429 Siskiyou Near the Pacific Crest Trail in the Scott Mtns. West of Kangaroo Lake. 1981 Comment
  JEPS81635  Sedum rosea subsp. integrifolium Roger Raiche 1982-7-7 20576 Siskiyou Alex Hole Siskiyou Mts., Alex Hole (at center of hole near campground, Siskiyou Mts.) 1950 Comment
  UC667084  Sedum spathulifolium Joseph P. Tracy 1939-4-29 16271 Siskiyou Somes Bar Somes Bar (rock bluff in shade) 182 Comment
  JEPS83985  Sedum stenopetalum L. R. Heckard with J. Hickman, S. D'Alcamo 1986-7-17 6485 Siskiyou w ridge Copper Butte (e of Cook and Green Pass); w ridge Copper Butte, e of Cook and Green Pass 1554 Comment
  LA209668  Selaginella scopulorum Lawrence L. Kiefer; 1963-8-9 728 Siskiyou Castle Lake (SW of Mt Shasta), rocks at the S end of lake 2133 Comment
  UC831881  Senecio aronicoides Alice Eastwood 1921-7-28 10881 Siskiyou Medicine Lake Comment
  HSC76771  Senecio hydrophiloides K. T. Stillman 1976-8-7 373 Siskiyou Marble Mtn. Wilderness Area; trail from Black Mtn. Camp to Jump off point 1951 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
  POM37677  Senecio integerrimus var. exaltatus Geo D. Butler 1910-5-15 1345 Siskiyou N...[illegible] McAdams Creek. Comment
  HSC27490  Senecio integerrimus var. major J. P. Smith, J. O. Sawyer 1972-5-27 5346 Siskiyou Hwy. 3 near the Scott Mtn. Campground on divide between Scott and Trinity Rivers 1601 Comment
  UC1483454  Senecio integerrimus var. major Maralyn A. Renner 1980-7-23 1926 Siskiyou on w side Upper Devils Peak (Pacific Coast Trail); Klamath National Forest, Seiad Valley Quad. 1767 Comment
  CAS-BOT-BC364426  Senecio triangularis John Thomas Howell 1939-8-3 15024 Siskiyou Spirit Lake, Marble Mts. 1828 Comment
  HSC4762  Senecio triangularis William J. Ferlatte 1966-8-4 323 Siskiyou N side of Caribou Mtns. 1982 Comment
  HSC61997  Senecio triangularis Ruby Van Deventer 1938-7-29 Siskiyou Poker Flat 1585 Comment
  RSA211491  Sibbaldia procumbens William J. Ferlatte 1967-8-20 1050 Siskiyou Caribou Basin. Sawtooth Ridge. 2043 Comment
  RSA237595  Sibbaldia procumbens Frederick W. Oettinger 1968-8-23 607 Siskiyou Near Diamond Lake. Salmon Mtns. High Lake Basins in the vicinity of English Peak. Marble Mtn Wilderness Area. 2073 Comment
  HSC44609  Sidalcea malviflora Laura Witherspoon 1977-7-30 Siskiyou Edge of Flint Valley 1341 Comment
  UC705503  Sidalcea malviflora subsp. asprella Marion Ownbey, Fred G. Meyer 1940-7-8 2227 Siskiyou 21 mi n Happy Camp (summit of Siskiyou Mountains); , n of Happy Camp Comment
  UC922291  Sidalcea oregana subsp. oregana Annie M. Alexander and Louise Kellogg 1949-7-23 5852 Siskiyou Sky High Valley , Paradise Lake, Sky High Valley (Marble Mountains) 1920 Comment
  UC170181  Sidalcea oregana subsp. spicata Harley P. Chandler June, 1901 1707 Siskiyou near Marble Mountain (Shackleford Canyon); North Coast Ranges, near Marble Mountain 1828 Comment
  UCD116836  Sidalcea oregana subsp. spicata J. Dimling 1989-8-22 154 Siskiyou Deadfall Meadows, Shasta/Trinity National Forest. 1950 Comment
  UC1409371  Silene campanulata subsp. glandulosa Frederick W. Oettinger 1968-8-16 543 Siskiyou n Red Hill (near outlet Hancock Lake, high lake basins in the vicinity of English Peak, Salmon Mountains, Marble Mountain Wilderness Area, western Siskiyou County); Marble Mountain Wilderness Area, Salmon Mountains 1996 Comment
  RSA211453  Silene douglasii William J. Ferlatte 1967-8-21 1069 Siskiyou Sawtooth Ridge between Caribou Basin and Little South Fork Lake. 2287 Comment
  SEINET1004224  Silene douglasii var. douglasii Mark Fishbein, Lane Greer 2006-1 5880 Siskiyou Paynes Creek, above Paynes Springs, about 2 mi southeast of Medicine Lake. 1990 Comment
  CAS-BOT-BC388949  Silene grayi A. A. Heller 1920-6-29 13403 Siskiyou Near Wagon Creek falls, east side of Mt. Eddy Comment
  CAS-BOT-BC388962  Silene grayi C. L. Hitchcock; J. S. Martin 1939-7-9 5320 Siskiyou Between King's Castle and Black Mt., west side of ridge 1828 Comment
  UC572803  Silene grayi W. Bridge Cooke 1937-7-28 9145 Siskiyou Mt. Shasta 2590 Comment
  RSA237804  Silene grayi Frederick W. Oettinger, R. F. Thorne 1969-8-6 1225 Siskiyou East side of Pine Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. Comment
  UCD98592  Silene grayi Mary Ann Showers 1980-8-28 2068 Siskiyou below n-facing lower slopes of Red-Butte, on lower slope of Mt. Shasta, Shasta-Trinity National Forest. 2407 Comment
  CAS-BOT-BC389431  Silene lemmonii Alice Eastwood 1912-8-30 2036 Siskiyou Mount Eddy Comment
  CAS-BOT-BC389534  Silene menziesii David D. Keck 1938-8-7 4853 Siskiyou Scott Mountain Lodge, 2 mi. E. of Callahan, on E. Fork of Scott River at junction with Mill Creek 1000 Comment
  CAS-BOT-BC175120  Silene suksdorfii Mary Ann Showers 1980-8-28 2071 Siskiyou On vertical n and ne-facing slopes of Red Butte, on lower slope of Mt. Shasta, Shasta-Trinity Natl Forest 2468 Comment
  CDA3895  Sinapis arvensis T. C. Fuller 1958-4-17 4823 Siskiyou 1 mile south of Montague. 0 Comment
  RSA59810  Sisymbrium altissimum E. K. Balls 1950-5-17 14723 Siskiyou New Lava Flow, along road from Schonchin Butte to Capt. Jack s Stronghold, Lava Beds Nat l Monument. 1463 Comment
  CHSC106093  Sisyrinchium bellum Lowell Ahart; John Dittes 2010-7-30 16945 Siskiyou In a low meadow area west of the Shasta River, about 300 yards northwest of the East Louie Road Bridge, Shasta Big Springs Ranch, 1.6 miles (air) southwest of Big Springs Lake, 5.7 miles (air) southeast of Grenada, 4.6 miles (air) northwest of Dwinnel Dam. 716 Comment
  RSA715777  Sisyrinchium bellum Lowell A. Ahart, John Dittes 2005-6-10 12102 Siskiyou 30 yards E of the Shasta River, near the south fence, 100 yards S of the pump house along the Shasta River, about 1.9 air miles S of highway 99/97 cutoff, about 6 air miles ESE of Grenada. 777 Comment
  RSA120322  Sisyrinchium bellum S. S. Tillett 1956-7-9 673 Siskiyou N side Scott Mtn divide, headwaters of Mule Creek, Siskiyou Trinity line, 8 miles SE of Callahan. 1616 Comment
  SEINET10611677 Image available Sisyrinchium bellum H. E. Brown 1897-6-11 Brown 351 Siskiyou Collected North Side Mt. Shasta, Siskiyou County. 1524 Comment
  CAS-BOT-BC5742  Sisyrinchium greenei H. E. Brown 1897-6-11 351 Siskiyou North side of Mt. Shasta 2743 Comment
  UC454432  Smilacina racemosa I. J. Condit 1911-7-27 Siskiyou Castle Lake Comment
  UC144301  Smilax californica A. A. Heller 1905-6-5 7973 Siskiyou between Shasta Retreat and Shasta Springs Comment
  NY821171  Solanum parishii W. B. Cooke 1940-6-20 15180 Siskiyou Along the Pacific Highway in the Klamath gorge 2000 Comment
  HSC30794  Solanum parishii Arthur R. Kruckeberg 1972-6-10 6217 Siskiyou 3-4 mi. S of Cook and Green Pass Comment
  UC1560414  Solanum umbelliferum E. Joyal and D. Mehlman 1988-6-25 1272 Siskiyou Happy Camp-Takilma road at turn off to Bolan Lake 1524 Comment
  CAS-BOT-BC157035  Solanum umbelliferum L. Constance; R. Bacigalupi; S. Carlquist; R. Moran; R. L. Rodriguez; J. P. Tracy 1951-6-16 3396 Siskiyou North slope of Little Grayback, Takilma-Happy Camp road 1463 Comment
  RSA237967  Solanum umbelliferum Frederick W. Oettinger 1969-8-12 1347 Siskiyou Along the trial above 'Willow Springs' 1677 Comment
  CDA8704  Solidago californica R. P. Allen 1952-7-31 Siskiyou McCloud. 0 Comment
  RSA507765  Solidago canadensis J. C. Semple, S. Heard 1986-8-14 8460 Siskiyou Mt. Shasta City, behind grade school, on East Lake Street. Comment
  CAS-BOT-BC365562  Solidago elongata Nora Pettibone 1894-8-11 s.n. Siskiyou Upper Soda Springs Comment
  CAS-BOT-BC365572  Solidago elongata G. B. Grant 1902-9-11 s.n. Siskiyou Sisson Comment
  SBBG25842  Solidago elongata D. Myrick 1966-8-11 1531 Siskiyou Salmon Crk Trail at Mountain Meadow Ranch, Big Flat 1676 Comment
  CAS-BOT-BC157321  Sorbus californica Wm. Bridge Cooke 1938-7-22 11341 Siskiyou Sisson Southern Trail spring Comment
  JEPS44988  Sorbus californica Geo. D. Butler 1908-8-26 282 Siskiyou head of Etna Creek 1676 Comment
  UC164082  Sorbus californica Geo. D. Butler 1908-8-26 282 Siskiyou head of Eton Creek; Salmon Mountains Comment
  CAS-BOT-BC158938  Sorbus scopulina Geo. D. Butler 1910-7-8 1681 Siskiyou Shackleford Creek 1371 Comment
  RSA184730  Sorbus scopulina Gilbert Muth 1966-7-8 363 Siskiyou Marble Valley Meadow. Marble Mtns. 1793 Comment
  CAS-BOT-BC158933  Sorbus scopulina W. R. Dudley 1899-8-15 s.n. Siskiyou Black Fox Mountains Comment
  HSC18957  Sparganium angustifolium J. O. Sawyer 1969-8-1 1601 Siskiyou Behind Horseshoe Lake 1921 Comment
  CAS-BOT-BC390716  Spergularia rubra A. A. Heller 1915-7-18 12126 Siskiyou Metcalf's ranch, northeast base of Mt. Eddy 1188 Comment
  JEPS84262  Spiraea densiflora L. R. Heckard with S. D'Alcamo, J. Hickman, S. Winchester 1986-7-16 6356 Siskiyou ca 7 mi nne Seiad Valley (sw of Cook and Green Pass, ca 0.5 mi se of Red Butte) 1730 Comment
  CAS-BOT-BC149682  Spiraea douglasii A. A. Heller 1905-6-20 8085 Siskiyou Between/near Igerna and Weed Comment
  CAS-BOT-BC149694  Spiraea douglasii Alice Eastwood 1912-7-15 1112 Siskiyou [Mc Cloud] McCloud Comment
  HSC18900  Spiraea douglasii J. O. Sawyer 1968-9-11 702 Siskiyou Twin Valley 1524 Comment
  HSC18902  Spiraea douglasii J. O. Sawyer 1968-7-10 465 Siskiyou Floodplain of Sugar Creek near Sugar Lake. 1799 Comment
  UC917336  Spiraea douglasii R. Tofsrud and J. M. Tucker 1948-8-2 1751 Siskiyou outskirts McCloud Comment
  RSA300520  Spiraea douglasii John Dourley, Walter Wisura 1982-10-16 3875 Siskiyou Castle Lake. SW of the town of Mt. Shasta. 1646 Comment
  RSA237629  Spiranthes Frederick W. Oettinger 1969-8-12 1343 Siskiyou Abbotts Lower Cabin. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1220 Comment
  UC164419  Spiranthes romanzoffiana Geo. D. Butler 1908-8-3 28 Siskiyou Log Lake Shackleford Creek Comment
  JEPS84076  Stachys ajugoides var. rigida L. R. Heckard with S. D'Alcamo, J. Hickman, S. Winchester 1986-7-15 6306 Siskiyou just s state line (Indian Creek Road from Takilma to Happy Camp) Comment
  RSA184651  Stachys emersonii Clare B. Hardham 1965-8-20 13030 Siskiyou Marble Mts., Granite Trail near Cudahy Lakes. 1220 Comment
  CDA19579  Stachys rigida F. G. Andrews, A. J. Gilbert 2002-6-28 s.n. Siskiyou Northern California; 2.5 mi W of Yreka. 929 Comment
  UC642528  Stellaria calycantha unknown 1939-7-7 13624 Siskiyou Wagon Camp; Mount Shasta Comment
  SEINET12558110 Image available Stellaria calycantha F. W. Oettinger, R. F. Thomas 1969-1 1166 Siskiyou High Lake Basins in the vicinity of English Peak, Marble Mountain wilderness area, above inlet to Hancock Lake. 1951 Comment
  JEPS128457  Stellaria crispa Julie Kierstead Nelson with Martin Lenz 2015-6-18 2015 -058 Siskiyou Headwaters of West Fork Parks Creek, 2 miles NNE of China Mountain; 7 miles W of town of Weed. Comment
  JEPS20033  Stellaria media George D. Butler 1909-3-19 559 Siskiyou near Yreka (on Butler's Ranch) Comment
  HSC74923  Stenanthium occidentale J. P. Smith 1978-7-2 9962 Siskiyou Along the Rd. to Cook and Green Pass (48N02), 2.9 mi. N of Seiad Creek, Klamath National Forest 1067 Comment
  RSA256591  Stenanthium occidentale J. D. Ackerman, A. M. Montalvo 1974-8-17 425 Siskiyou Western slope Preston Peak ca. 0.5 mile north of Rattlesnake Meadow 1646 Comment
  RSA577802  Stenanthium occidentale Louis C. Wheeler 1934-8-17 3181 Siskiyou Siskiyou Mts. North side White Mt. 1829 Comment
  HSC4763  Stephanomeria lactucina William J. Ferlatte 1966-8-5 327 Siskiyou N side of Caribou Mtn. 1982 Comment
  HSC290  Stephanomeria lactucina William J. Ferlatte 1967-8-22 1081 Siskiyou NW side of Caribou Mtn. 1829 Comment
  CAS-BOT-BC375665  Stephanomeria paniculata Alice Eastwood 1912-9-4 2096 Siskiyou Sisson Comment
  CAS-BOT-BC375943  Stephanomeria virgata Louis C. Wheeler 1934-7-17 2912 Siskiyou Klamath National Forest. Cottonwood Cr. 1036 Comment
  HSC43031  Stipa lemmonii J. O. Sawyer, Ken Stillman 1976-7-2 2804 Siskiyou Ridges E of the Little N Fork Trail 732 Comment
  HSC19242  Stipa occidentalis var. californica J. O. Sawyer 1969-7-19 1427 Siskiyou SW facing slope above Deacon Lee Trail 2180 Comment
  CHSC67485  Streptanthus barbatus James D. Jokerst 1992-7-30 3426 Siskiyou Top of divide between Trinity River, summit of reddish mountain S of road crossing saddle. [No additional location data; W of Interstate 5? V. Oswald]. Comment
  CAS-BOT-BC87840  Streptanthus tortuosus Alice Eastwood 1912-9-1 2065 Siskiyou Mount Shasta. Comment
  JEPS54009  Streptanthus tortuosus Willis L. Jepson Jul 24 1894-Aug 10 1894 13406 Siskiyou beyond Sisson; Region of the Upper Sacramento, Upton Plateau Comment
  SEINET10448520  Streptanthus tortuosus Mary Merello 1993-6-23 Merello 700 Siskiyou Shasta-Trinity National Forest. Along county road A-10 (also named Everitt Memorial Highway) climbing Mt. Shasta. Mixed conifer, sub-alpine vegetation, volcanic soils; Aibes and Arctostaphylos dominant species (mile 10 marker 6650 ft.) 1960 Comment
  UC1586880  Streptanthus tortuosus Juha Pykala and D. H. Norris 1987-7-7 2404 Siskiyou Jot Dean Ice Cave 1700 Comment
  CAS-BOT-BC87860  Streptanthus tortuosus Gilbert Muth 1965-8-5 s.n. Siskiyou On trail to Black Mountain. Comment
  POM95329  Streptanthus tortuosus Geo. D. Butler 1910-4-22 1221 Siskiyou Kidder Creek Comment
  HSC99988  Streptanthus tortuosus var. oblongus Thomas W. Nelson 2005-7-16 9376 Siskiyou Along Etna-Forks of Salmon Rd., 1.5 mi. from Forks of the Salmon. 399 Comment
  CHSC66539  Streptanthus tortuosus var. orbiculatus Vernon H. Oswald 1996-7-12 8007 Siskiyou High Cascade Range. Everitt Memorial Hwy. (A10) on Mt. Shasta 0.1 mi W of the road to Sand Flat (between mileposts 9 and 10). Roadside. 2042 Comment
  SEINET10874443  Streptanthus tortuosus var. orbiculatus Mary Susan Taylor 1980-8-19 Taylor 3268 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
  HSC18963  Streptanthus tortuosus var. tortuosus J. O. Sawyer 1969-7-25 1533 Siskiyou SE facing upper slope W of Sugar Lake 1997 Comment
  SDSU5611  Suaeda calceoliformis D. F. Howe 1964-8-5 3939 Siskiyou 13.4 miles east of junction with #97 on state line road. 1219 Comment
  UC1045242  Swertia albicaulis var. albicaulis unknown 1940-6-27 15204 Siskiyou near the old Hotlum road; Mount Shasta Comment
  HSC45155  Swertia albicaulis var. nitida J. O. Sawyer, E. Cope 1977-6-19 2951 Siskiyou Clear Creek Trail between Preston Creek and Trout Camp 915 Comment
  JEPS46344  Swertia radiata W. L. Jepson 1902-7-17 2075 Siskiyou Salmon Summit, w Siskiyou County Salmon Summit 2286 Comment
  CAS-BOT-BC269612  Symphoricarpos albus var. laevigatus L. R. Short 1933-6-15 37 Siskiyou Klamath National Forest. Clear Ck. 640 Comment
  UC60980  Symphyotrichum bracteolatum Geo. B. Grant 1902-9-1 5156 Siskiyou Mount Shasta 914 Comment
  UC893306  Symphyotrichum bracteolatum Alice Eastwood 1917-9-2 6696 Siskiyou Shasta Springs Comment
  UC223703  Symphyotrichum bracteolatum Elmer I. Applegate 1923-8-21 3918 Siskiyou Willow Creek, (South end of Lower Klamath Lake) Lower Klamath Lake, Willow Creek Comment
  CAS-BOT-BC97880  Symphyotrichum eatonii Elmer I. Applegate 1923-8-21 3923 Siskiyou Willow Creek, south of Lower Klamath Marsh Comment
  HSC68185  Symphyotrichum foliaceum var. parryi J. P. Smith, J. O. Sawyer 1973-8-14 7296 Siskiyou W shore of Campbell Lake 1768 Comment
  UC135424  Symphyotrichum spathulatum C. F. Baker 1903-9-8 3856 Siskiyou Mt. Eddy Comment
  CAS-BOT-BC98852  Symphyotrichum spathulatum var. intermedium Alice Eastwood 1912-7-15 1089 Siskiyou McCloud Comment
  CHSC33043  Symphyotrichum subspicatum J. P. Smith; J. O. Sawyer 1972-9-14 5804 Siskiyou Miner's Creek Road just south of French Creek R. between Callahan and Etna. 914 Comment
  UC1131546  Taeniatherum caput-medusae H. S. Yates 1936-6-21 5808 Siskiyou 1/2 mi ne of Hilt 1036 Comment
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Jun 18 2011
  UCD86207  Taeniatherum caput-medusae H. S. Yates 1936-6-21 5808 Siskiyou Yreka. 1/2 mile NE of Hilt. California Forest and Range Experiment Station. 1036 Comment
  UC163894  Tanacetum vulgare Geo. D. Butler 1910-8-13 1826 Siskiyou Oro Fino Comment
  RSA184711  Taraxacum officinale Gilbert Muth 1966-8-1 484 Siskiyou Marble Valley Horse Pasture, Marble Mountains 1793 Comment
  CAS-BOT-BC81335  Taxus brevifolia H. A. Thomas; J. H. Thomas 1954-7-23 4472 Siskiyou Salmon-Trinity Mts., about 6 miles SE of Cecilville, vicinity of Blind Horse Creek 1036 Comment
  HSC18879  Taxus brevifolia J. O. Sawyer 1968-9-11 701 Siskiyou Slopes above Twin Valley 1463 Comment
  UC224017  Taxus brevifolia H. E. Brown Jun 1 1897-Jun 10 1897 323 Siskiyou near Sisson 1083 Comment
  JEPS49694  Tellima grandiflora W. L. Jepson 1907-7-19 2945 Siskiyou head of Indian Creek; Siskiyou Mountains 914 Comment
  JEPS84273  Tellima grandiflora L. R. Heckard with Susan D'Alcamo, J. Hickman, S. Winchester 1986-7-16 6425 Siskiyou ca 5 mi n Seiad Valley (town) (e slope of Kangaroo Mountain, cirque at head of Hell's Canyon); Kangaroo Mountain 1828 Comment
  HSC6276  Tetradymia canescens R. C. Wunner 1965-7-9 352 Siskiyou California Lava Beds National Monument; 0.4 mi. along Hardin Butte Trail 1341 Comment
  UC375277  Thalictrum fendleri Geo. D. Butler 1910-7-8 1672 Siskiyou Shackelford Creek Comment
  UCD78037  Thalictrum sparsiflorum Robert E. Preston 2001-7-20 1681 Siskiyou Klamath National Forest, north slope of Rainbow Mountain, n of Hemlock Lake, T42N R1W se 1/4 of ne 1/4 Section 14 1712 Comment
  CDA25195  Thelypodium brachycarpum R. Pederson, G. Pederson 1979-9-18 Siskiyou White Lake Management Unit, Lower Klamath National Wildlife Refuge. 0 Comment
  UC454642  Thermopsis gracilis I. J. Condit 1911-7-5 Siskiyou Shasta Retreat Mt. Bradley 1524 Comment
  SJSU6502  Thermopsis macrophylla R. W. Trivelpiece 1972-6-18 126 Siskiyou 3 mi W of Klamath R, c. 12 mi SW of Happy Camp 944 Comment
  HSC94275  Thermopsis robusta G. Fred Hrusa 1998-7-5 14700 Siskiyou Cedar Camp Rd., about 5 mi. E of Weitchpec on Hwy. 96, N side of Hwy. Mile 8.8 Comment
  JEPS82688  Thlaspi montanum var. montanum Wayne Roderick 1984-6-5 Siskiyou above Castle Lake (ca 12 air km sw of Mt. Shasta city); above Castle Lake 1981 Comment
  UC1483508  Thlaspi montanum var. montanum Maralyn A. Renner 1980-8-8 2455 Siskiyou Rattlesnake Meadow; Klamath National Forest, Preston Peak Quad., Rattlesnake Mea 1645 Comment
  CAS-BOT-BC66792  Thysanocarpus curvipes Geo. D. Butler 1910-3-27 1147 Siskiyou Dry hill near Yreka. Comment
  SD230295  Tiarella trifoliata var. unifoliata Louis C. Wheeler 1959-7-25 7602 Siskiyou Marble Mountains: Camp Three, Rogers 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
  UC1090399  Tofieldia occidentalis subsp. occidentalis Barbe 1957-7-13 375 Siskiyou Big Flat Public Camp Klamath National Forest 1524 Comment
  RSA760959  Tofieldia occidentalis subsp. occidentalis Robert F. Thorne, Frederick W. Oettinger 1969-8-4 63387 Siskiyou Klamath National Forest, Salmon Mountains, Marble Mountain Wilderness Area, high lake basins in the vicinity of English Peak 1890 Comment
  HSC69543  Tolmiea diplomenziesii Maralyn A. Renner 1980-8-6 2242 Siskiyou FS Rd. 40S07 crossing of Louse Creek 1127 Comment
  CAS-BOT-BC169251  Toxicodendron diversilobum Ellsworth Bethel 1923-4-16 s.n. Siskiyou Redding Comment
  CHSC2326  Toxicoscordion venenosum var. venenosum 1936-6-30 Siskiyou Mt. Shasta City. 1097 Comment
  HSC18875  Triantha occidentalis subsp. occidentalis J. O. Sawyer 1968-7-22 528 Siskiyou Between Handcock and Diamond Lakes 1951 Comment
  HSC18876  Triantha occidentalis subsp. occidentalis J. O. Sawyer 1968-7-9 438 Siskiyou W of Little Duck Lake. 1936 Comment
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Jul 15 2010
  HSC14451  Trichostema lanceolatum C. B. Wolf 1927-8-26 1041 Siskiyou Along Klamath River, 4 mi. N of Gottville Comment
  SEINET10700113 Image available Trichostema simulatum Edwin B. Copel 1903-7-2 Copeland 3534 Siskiyou Klamathon. In bed of a dry run. Comment
  CAS-BOT-BC219040  Trifolium howellii Gilbert Muth 1966-7-24 445 Siskiyou Marble Valley, along creek 1792 Comment
  UC1223368  Trifolium howellii Joseph P. Tracy 1951-6-6 19467 Siskiyou n Summit crossing (on the Takilma-Happy Camp Rd); Siskiyou Mtns Comment
  UC164459  Trifolium howellii Geo. D. Butler 1910-7-9 1689 Siskiyou Shackleford Creek 1219 Comment
  CDA4330  Trifolium incarnatum Don Shaw 1977-5-26 Siskiyou Highway 96 near Blue Heron Ranch, Somes Bar. 0 Comment
  HSC32292  Trifolium longipes J. O. Sawyer 1971-6-29 2396 Siskiyou Elk Hole 1524 Comment
  HSC78211  Trifolium longipes L. P. Janeway 1983-7-10 400 Siskiyou Poker Flat 1524 Comment
  RSA666382  Trifolium longipes Barbara Ertter 1990-7-14 9314 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
  SEINET10577002 Image available Trifolium longipes subsp. shastense H. E. Brown 1897-6-1 Brown 365 Siskiyou Near Mt. Shasta. 1829 Comment
  JEPS101830  Trifolium pratense Dean W. Taylor 1997-6-11 16050 Siskiyou Scott Valley, meadow along Clark Creek; ca. 2 miles west from Highway 3 and 2 mi S of Etna 975 Comment
  JEPS118116  Trifolium pratense Dean W. Taylor 2004-7-19 19190 Siskiyou Weed, wet meadow just east of town limits along Boles Creek 1051 Comment
  SBBG15604  Trifolium pratense D. Myrick 1961-6-20 276 Siskiyou near Mt Shasta City 1066 Comment
  HSC92947  Trifolium productum Jennifer Whipple 1977-7-22 2048 Siskiyou Dale Creek drainage on the N face of Mount Eddy 2195 Comment
  RSA145170  Trifolium productum Dorothy Parker 1959-7-5 734 Siskiyou Salmon Mountain 1677 Comment
  UC1409227  Trifolium repens Frederick W. Oettinger 1969-8-9 1311 Siskiyou near Young's Cabin (above trail in region of Upper Abbott's Cabin); Salmon Mtns 1828 Comment
  UCD78178  Trifolium retusum Robert E. Preston 2008-5-13 2630 Siskiyou Along Hwy 96, ca. 11.6 miles N of the confl of the Klamath River and Salmon River 229 Comment
  UC147168  Trifolium variegatum Dr. E. B. Copeland 1903-7-7 3554 Siskiyou Hornbrook Comment
  JEPS48904  Trifolium wormskioldii Geo. D. Butler 1908-7-2 381 Siskiyou near Yreka (Butler's Ranch) Comment
  UC164381  Trillium albidum Geo. D. Butler 1910-4-25 1242 Siskiyou Scott R. Comment
  CDA39376  Trillium angustipetalum T. Kono 1979-5-2 s.n. Siskiyou Montgomery Creek. 0 Comment
  CDA39375  Trillium chloropetalum F. D. Horn 1978-4-24 s.n. Siskiyou Van Horn Gulch near Fort Jones. 0 Comment
  HSC58942  Trillium ovatum Marvin Butler 1971-7-6 37 Siskiyou Near El Capitan 1 Comment
  UC30088  Trillium ovatum Harley P. Chandler June, 1901 1550 Siskiyou Ridges and meadows near Marble Mountain, 10 ft from melting snow 1828 Comment
  CHSC95075  Trillium ovatum subsp. oettingeri L. P. Janeway 2006-7-4 8779 Siskiyou Klamath Ranges. Scott Mountains; Darlingtonia fen and creeklet complex above Road 40N13 1.6 air km west of Scott Mountain Summitt. 1728 Comment
  HSC60806  Trillium ovatum subsp. oettingeri Maralyn O'Meara 1973-6-24 229 Siskiyou Statute Lake Creek where it is crossed by Music Creek logging rd., 0.25 mi. from confluence of Statute Lake Creek and Music Creek 1829 Comment
  HSC780  Trillium ovatum subsp. oettingeri William J. Ferlatte 1967-7-9 691 Siskiyou Kidd Creek Trail 1890 Comment
  HSC782  Trillium ovatum subsp. oettingeri William J. Ferlatte 1967-6-30 597 Siskiyou Along the S Fork of the Salmon River, between the campground and Carter's 1524 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
  HSC4777  Trisetum spicatum William J. Ferlatte 1966-8-5 329 Siskiyou N side of Caribou Mtn. 1982 Comment
  RSA233684  Trisetum spicatum R. F. Thorne, Frederick W. Oettinger 1969-8-10 38958 Siskiyou Mt. Shasta National Forest: S slope of Mt. Shasta, Panther Creek Meadows 2195 Comment
  SEINET10960259  Trisetum spicatum A. Arthur Heller 1914-8-28 Heller 11735 Siskiyou Found sparingly on the east side of Mt. Eddy, in granite. Near pine trees. It grows in scattered tufts. 2438 Comment
  CAS-BOT-BC133484  Triteleia crocea Geo. D. Butler 1910-5-5 1287 Siskiyou Humbug Mt. Comment
  CAS-BOT-BC133492  Triteleia crocea D. E. Breedlove 1962-6-10 3301 Siskiyou Along Indian Creek Road, 15.6 miles northwest of Happy Camp; Siskiyou Mountains 975 Comment
  UC1326232  Triteleia crocea var. modesta Theodore F. Niehaus 1966-6-20 711 Siskiyou n-facing slope above Castle Lake Comment
  CAS-BOT-BC522340  Triteleia hyacinthina W. R. Dudley 1893-6-21 s.n. Siskiyou Peter Klink's Meadow Comment
  UC1026905  Triteleia ixioides subsp. anilina R. F. Hoover 1940-6-6 15083 Siskiyou along Castle Lake Road 1219 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
  UCD122054  Utricularia macrorhiza Barry Rice 2007-7-8 BR 070702 Siskiyou in Lower Cliff Lake. 1747 Comment
  UCR38389  Vaccinium arbuscula G. R. Ballmer, G. F. Pratt 1985-6-19 s.n. Siskiyou Trinity Mtns, Cedar Lake, WNW of Dunsmuir, c. 1 mi north of Gumboot Lake 1738 Comment
  CHSC30109  Vaccinium cespitosum M. S. Taylor 1980-5-4 2782 Siskiyou Cedar Lake, ca. 11 mi sw of Mt. Shasta City. 1737 Comment
  HSC67683  Vaccinium cespitosum John Palmer 1980-7-24 624 Siskiyou Klamath National Forest, Elk Hole 1503 Comment
  JEPS776  Vaccinium cespitosum Harley P. Chandler Jun 1901 1578 Siskiyou near Marble Mountain; North Coast Ranges 2133 Comment
  UC413098  Vaccinium deliciosum Jos. Grinnell 1911-6-22 174 Siskiyou Jackson Lake Comment
  CAS-BOT-BC199229  Vaccinium membranaceum Louis C. Wheeler 1934-8-16 3162 Siskiyou Klamath National Forest. Johnson Dairy 1645 Comment
  CHSC89004  Vaccinium membranaceum Gail A. Newton 1981-7-30 2338 Siskiyou Klamath National Forest. Near N. Fork of Dillon Cr. 1176 Comment
  JEPS66683  Vaccinium membranaceum Joseph P. Tracy 1935-8-1 14419 Siskiyou 3 mi e of Salmon Summit (Head of Knownothing Creek); Knownothing Creek 1767 Comment
  UC1409403  Vaccinium membranaceum Frederick W. Oettinger 1968-9-5 721 Siskiyou near Hancock Lake (vicinity of English Peak, w Siskiyou County); Salmon Mountains, Marble Mountain Wilderness Area, English P 1935 Comment
  HSC19341  Vaccinium scoparium J. O. Sawyer 1969-7-9 1277 Siskiyou NE facing slope above S Sugar Lake 2256 Comment
  UC1409421  Vaccinium scoparium Frederick W. Oettinger 1968-8-3 370 Siskiyou mid-trail between Diamond Lake and Hancock Lake (w Siskiyou County); Salmon Mountains, Marble Mountain Wilderness Area, English P 2011 Comment
  CAS-BOT-BC199485  Vaccinium scoparium W. R. Dudley 1901-8-23 s.n. Siskiyou Amphitheatre of Caribou Peak, Salmon Mts. Comment
  HSC86447  Vaccinium uliginosum D. K. Imper Jul 1987 Siskiyou Marble Mtn. Wilderness Area, Haypress Meadow, 8 mi. E of Somes Bar 1372 Comment
  POM128296  Valeriana capitata subsp. californica M. S. Baker 1898-8-1 480 Siskiyou Medicine Lake. Comment
  HSC77001  Valeriana sitchensis subsp. sitchensis K. T. Stillman 1976-6-25 87 Siskiyou Marble Mtn. Wilderness Area, N side of Elk Valley. 1799 Comment
  UC1409394  Vancouveria hexandra Frederick W. Oettinger and R. F. Thorne 1969-8-6 1232 Siskiyou nw Pine Lake (high lake basins in vicinity of English Peak, Marble Mountain Wilderness Area); Salmon Mountains, Marble Mountain Wilderness Area 1859 Comment
  CAS-BOT-BC529107  Veratrum californicum W. R. Dudley 1893-6-19 s. n. Siskiyou Klink's Meadow Comment
  HSC30440  Veratrum viride Frederick W. Oettinger 1968-8-1 346 Siskiyou Marble Mtn. Wilderness Area, S of Hancock Lake 2043 Comment
  HSC30442  Veratrum viride Frederick W. Oettinger 1969-9-2 1592 Siskiyou Marble Mtn. Wilderness Area, Bear Meadow near Tom Tyler Cabin 1997 Comment
  UCR24867  Verbascum blattaria Don Emery 1981-9-10 s.n. Siskiyou Vacant lot between buildings in the town of Weed Comment
  HSC21171  Verbascum thapsus R. C. Wunner 1965-8-14 435 Siskiyou California Lava Beds National Monument, Mammoth Crater 1616 Comment
  RSA0084072  Veronica alpina var. alterniflora William J. Ferlatte 1966-6-23 133 Siskiyou Trinity Alps: Yellow Rose Mine. 1982 Comment
  JEPS66437  Veronica anagallis-aquatica L. R. Heckard and P. Rubtzoff 1971-8-2 2699 Siskiyou 2.2 mi w of Macdoel (along Meese Lake-Sams Nech Road) 1280 Comment
  RSA479496  Veronica anagallis-aquatica L. R. Heckard 1971-8-28 2783 Siskiyou Under and east of bridge across Shasta River, ca 5 mi N of Yreka on old US Hwy 99. 732 Comment
  CAS-BOT-BC238136  Veronica copelandii Alice Eastwood 1912-8-30 2003 Siskiyou Mount Eddy Comment
  UC138882 Image available Veronica copelandii Copeland 1903-8-18 3931 Siskiyou Mt. Eddy; ; Mt. Eddy, Siskiyou Co. Comment
  JEPS23294  Veronica serpyllifolia subsp. humifusa Rimo Bacigalupi with Arthur and Ruby Van Deventer 1959-7-9 7283 Siskiyou Poker Flat 1536</