Search Results — 2000 specimen records retrieved (1359 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
  CHSC27314  Abies concolor T. B. Devine 1976-10-23 362 Siskiyou Little Duck Lake. 1950 Comment
  HSC69329  Abies concolor John Palmer 1980-8-12 749 Siskiyou Road to Bearground Spring from Beaver Creek Rd. 1341 Comment
  CAS-BOT-BC78105  Abies magnifica Elmer I. Applegate 1923-9-7 3966 Siskiyou Head of Doggett Creek, Siskiyou Mountains Comment
  UC55653  Abies magnifica var. magnifica Harley P. Chandler 1901-6-1 1684 Siskiyou Marble Mountain North Coast Ranges, Marble Mountain 2438 Comment
  JEPS80586  Abies magnifica var. shastensis Gilbert Muth 1965-7-29 132 Siskiyou Marble Valley , Marble Valley (Marble Mt. Wilderness Area) 1792 Comment
  HSC4977  Abies procera J. O. Sawyer 1968-9-9 669 Siskiyou Ridges S of Cyclone Gap 1738 Comment
  HSC27600  Acer circinatum Carl W. Mize 1972-6-10 53 Siskiyou Along Steinacher Creek 0.5 mi. from Wooley Creek 244 Comment
  CAS-BOT-BC332785  Acer macrophyllum Alice Eastwood 1917-9-2 6654 Siskiyou Shasta Springs Comment
  UC165965  Acer macrophyllum Geo. D. Butler 1910-4-24 1236 Siskiyou Shackleford Creek Comment
  CAS-BOT-BC336936  Acer negundo var. californicum Geo. D. Butler 1910-6-30 1617 Siskiyou Yreka Creek Comment
  SEINET10692762  Acer negundo var. californicum Andrew Townesmith, Karen M. Meyer 2007-8-3 Townesmith 892 Siskiyou Klamath National Forest, Oak Knoll Ranger District. Along state route 96, 5.2 miles west of National Forest boundary. Vicinity of Cayuse Day Use Area. T46N R7W, near boundary between sections 7 and 8. 576 Comment
  CAS-BOT-BC30429  Achillea millefolium John Thomas Howell 1939-8-6 15093 Siskiyou Spirit Lake, Marble Mountains 1828 Comment
  HSC67833  Achillea millefolium J. O. Sawyer, J. Cole 1980-7-22 3923 Siskiyou NW slopes of Cedar Mtn. 1524 Comment
  UCD128362  Achillea millefolium J. M. Tucker 1963-8-18 3758 Siskiyou southwestern ridge of Black Marble Mountain, Marble Mountain Wilderness Area. 2133 Comment
  POM55385  Achillea millefolium E. B. Copeland 1903-7-4 3546 Siskiyou Klamathon. Comment
  RSA416236  Achillea millefolium J. P. Smith 1974-5-25 7395 Siskiyou Along road 8, 0.9 miles from its jct with State Route 3. 976 Comment
  UC1037089  Achnatherum lemmonii Leo Whitney 1934-6-20 2221 Siskiyou near Tennant (Antelope Creek); Antelope Creek 1463 Comment
  UC796591  Achnatherum lemmonii Roxana S. Ferris and Laura Lorraine Jun 12 1948-Jun 16 1948 11791 Siskiyou Scott Mountain Road s of Callahan; Scott Mountain Road Comment
  CAS-BOT-BC216924  Achnatherum occidentale Alice Eastwood 1921-7-28 10931 Siskiyou Medicine Lake Comment
  UCD50984  Achnatherum occidentale H. S. Yates 1936-6-21 5827 Siskiyou N base of Wintoon Butte. 1219 Comment
  RSA17728  Achnatherum occidentale subsp. occidentale Elmer I. Applegate 1935-6-10 9481 Siskiyou South base of Caldwell Butte, Lava Beds National Monument Comment
  UC1133185  Achnatherum occidentale subsp. occidentale H. S. Yates 1936-6-21 5827 Siskiyou n base of Wintoon Butte Dunsmuir Quadrangle Comment
  CAS-BOT-BC218014  Achnatherum thurberianum Elmer I. Applegate 1935-6-8 9442 Siskiyou Pera Paw Cave, Lava Beds National Monument Comment
  JEPS107475  Achnatherum thurberianum Lowell Ahart, John Dittes 2005-6-9 12018 Siskiyou Small low hill, pasture field, on the east side of a poor rock fence, about 350 yards east of where cattle water in the Shasta River, about 3/5 mile (air) south of Highway 99/97 Cutoff, about 2 1/2 miles (air) east-southeast of Grenada 774 Comment
  HSC36807  Achyrachaena mollis J. P. Smith 1974-5-27 7630 Siskiyou Along FS Rd. 47N03 1280 Comment
  UCD103815  Acmispon americanus var. americanus A. A. Heller 1919-6-25 13288 Siskiyou Compton's prairie, north base of Mt. Eddy. 1158 Comment
  UCD103954  Acmispon americanus var. americanus W. A. Williams 1957-7-23 57 R Siskiyou Dead Fall Creek, Shasta National Forest, e. of Mt. Eddy. 2011 Comment
  JEPS74533  Aconitum columbianum W. J. Ferlatte 1966-8-3 291 Siskiyou Trinity Alps, Josephine Lake basin 1676 Comment
  UC1408852  Aconitum columbianum Frederick W. Oettinger 1968-8-7 433 Siskiyou s.e. end Hancock Lake; Salmon Mts., High Lake Basins, English Peak Vicnity, Marble 1935 Comment
  UC454474  Aconitum columbianum Ira J. Condit 1909-8-23 Siskiyou Castle Lake near Sisson; Castle lake Comment
  UC853390  Aconitum columbianum John Thomas Howell 1937-7-22 13323 Siskiyou S. Fork Salmon R. near Big Flat; S. Fork Salmon R. 1524 Comment
  SD73170  Aconitum columbianum Darley F. Howe 1969-8-30 Siskiyou North fork of Salmon River, Blake's Creek, about 20 miles southwest of Aetna 1829 Comment
  CAS-BOT-BC391531  Aconitum columbianum subsp. columbianum W. R. Dudley 1905-8-4 s.n. Siskiyou Foot of Mt. Eddy Comment
  HSC34  Aconitum columbianum subsp. columbianum William J. Ferlatte 1966-8-19 437 Siskiyou Kidd Creek Trail 1890 Comment
  CAS-BOT-BC391510  Aconitum columbianum subsp. columbianum A. A. Heller 1927-8-1 14433 Siskiyou At the State Teachers College, near Shasta City (Sisson) 1074 Comment
  HSC29438  Aconitum columbianum subsp. viviparum Frederick W. Oettinger 1968-8-7 433 Siskiyou Marble Mtn. Wilderness Area, SE end of Hancock Lake 1936 Comment
  RSA215622  Aconitum columbianum var. columbianum Gilbert Muth 1969-8-12 1379 Siskiyou Second Valley 2195 Comment
  HSC92956  Aconogonon davisiae Jennifer Whipple 1976-6-12 984 Siskiyou S face of Mount Eddy draining into the N Fork of the Sacramento River 2317 Comment
  HSC61825  Aconogonon phytolaccifolium Ruby Van Deventer 1959-7-9 Siskiyou Poker Flat 1585 Comment
  CAS-BOT-BC391700  Actaea rubra John Thomas Howell 1939-8-10 15272 Siskiyou Sky High Valley, Marble Mts. 1828 Comment
  HSC61851  Actaea rubra Ruby Van Deventer 1959-7-9 Siskiyou Poker Flat 1585 Comment
  RSA238292  Actaea rubra subsp. arguta Frederick W. Oettinger 1968-9-1 635 Siskiyou E. shore of Abbotts Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1723 Comment
  CAS-BOT-BC29313  Adenocaulon bicolor Laura Myrtle Lathrop 1903-7-16 s.n. Siskiyou Shasta Retreat Comment
  HSC4989  Adenocaulon bicolor J. O. Sawyer 1968-6-18 197 Siskiyou Above S Russian Creek on W side. 1463 Comment
  HSC4991  Adenocaulon bicolor J. O. Sawyer 1968-7-10 459 Siskiyou Floodplain of Sugar Creek near Sugar Lake. 1799 Comment
  CAS-BOT-BC68962  Adiantum aleuticum H. A. Thomas; J. H. Thomas 1954-7-23 4468 Siskiyou Salmon-Trinity Mts. About 6 miles SE of Cecilville. Vicinity of Blind Horse Creek. 1036 Comment
  HSC27790  Adiantum aleuticum J. P. Smith, J. O. Sawyer 1972-9-13 5786 Siskiyou 2 mi. W of Cook and Green Pass on the road to Lily Pad Lake Comment
  UC637170  Adiantum aleuticum Edward Lee 1934-8-11 1033 Siskiyou Walker Creek, a tributary of Klamath River Walker Creek; e end Seiad Valley 609 Comment
  UC1475696  Agastache parvifolia Clifton and Ground 1978-6-19 1310 Siskiyou near Bray (close to town of Macdoel); Bray Quad. 1403 Comment
  HSC2395  Agastache urticifolia William J. Ferlatte 1966-8-18 425 Siskiyou Willow Creek Trail. 1707 Comment
  JEPS62938  Agastache urticifolia W. L. Jepson 1937-7-30 18555 Siskiyou Poker Flat , Poker Flat (Siskiyou Mts.) 1584 Comment
  JEPS84077  Agastache urticifolia L. R. Heckard with S. D'Alcamo, J. Hickman, S. Winchester 1986-7-15 6317 Siskiyou Indian Creek Road from Takilma to Happy Camp (just s of state line); Indian Creek Road Comment
  RSA238885  Ageratina occidentalis Frederick W. Oettinger 1968-8-23 616 Siskiyou Diamond Lake spillway half way up to English lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1951 Comment
  SD61054  Ageratina occidentalis Darley F. Howe 1964-8-6 3942 Siskiyou 3.5 miles south of Happy Camp on #96, Klamouth National Forest. 149 Comment
  UC75800  Agoseris X dasycarpa Milo S. Baker 1897-8-1 154 Siskiyou top Medicine Lake Mts. 2438 Comment
  RSA14495  Agoseris glauca var. dasycephala Elmer I. Applegate 1923-8-17 3845 Siskiyou West side of Medicine Lake Comment
  CHSC86657  Agoseris grandiflora Jenny Marr 1993-7-1 40 Siskiyou Butte Valley Wildlife Area, +/- 7 air miles NW of the town of MacDoel. Meadow NW of Meiss Lake. 1349 Comment
  HSC73343  Agoseris grandiflora Gail Newton 1980-6-20 459 Siskiyou Near Bald Mtn. 1097 Comment
  JEPS36274  Agoseris grandiflora var. grandiflora Geo. D. Butler 1908-8-28 304 Siskiyou Marlahan Ranch Oro Fino Comment
  CAS-BOT-BC22775  Agoseris heterophylla L. E. Smith 1915-6-1 s.n. Siskiyou Hilt Comment
  RSA233667  Agoseris monticola R. F. Thorne, Frederick W. Oettinger 1969-8-10 38992 Siskiyou Mount Shasta National Forest; south slope of Mt. Shasta at base of boulders. 2378 Comment
  SEINET5335873  Agropyron trachycaulum G. Butler 1910-7-3 1624 Siskiyou Goosenest Foothills 1219 Comment
  CAS-BOT-BC126980  Agrostis exarata E. Palmer 1892-1-1 2634 Siskiyou Near Mount Shasta. Comment
  CAS-BOT-BC126996  Agrostis exarata J. M. Tucker 1963-8-19 3782 Siskiyou Headwaters of Canyon Creek, Marble Mountain Wilderness Area. 1950 Comment
  UCD35432  Agrostis exarata Beecher Crampton 1956-8-21 3830 Siskiyou 0.5 mile northeast of Gumboot Lake, headwater of the south fork of the Sacramento River. 1767 Comment
  RSA238357  Agrostis humilis Frederick W. Oettinger 1969-9-4 1631 Siskiyou East side of Hancock Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1890 Comment
  RSA238359  Agrostis humilis Frederick W. Oettinger 1969-8-19 1457 Siskiyou Abbott's Basin. Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1905 Comment
  RSA12484  Agrostis idahoensis C. B. Wolf 1934-7-4 5953 Siskiyou 6.8 miles from Dry Lake lookout on road to Horse Creek, Siskiyou Mountains. 1829 Comment
  UCD52988  Agrostis idahoensis L. Whitney 1935-7-15 3519 Siskiyou Bullseye Lake, 2 miles southeast of Medicine Lake. Comment
  RSA239061  Agrostis pallens Frederick W. Oettinger 1968-9-1 637 Siskiyou SE side of Abbott's Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. Comment
  SEINET4343713 Image available Agrostis pallens Unknown 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
  POM207335  Agrostis scabra Edward Palmer 1892-1 2665 Siskiyou near Mt. Shasta Comment
  POM206868  Agrostis stolonifera Edward Palmer 1892-1 2659 Siskiyou near Mt. Shasta Comment
  RSA238351  Agrostis stolonifera Frederick W. Oettinger 1968-9-8 790 Siskiyou Cliffs south of English Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. Comment
  UCD53609  Agrostis stolonifera Mr. Roseman 1913-1 1 Siskiyou Butte Valley Comment
  CAS-BOT-BC138475  Agrostis variabilis H. A. Thomas; J. H. Thomas 1954-7-24 4512 A Siskiyou Salmon-Trinity Mountains. Vicinity of Rush Lake and Rush Creek Meadow. About 9 miles east of Cecilville. 1981 Comment
  UCD53705  Agrostis variabilis Robert E. Preston 2001-7-20 1680 Siskiyou Klamath National Forest, norht slope of Rainbow Mountain, n of Hemlock Lake. 1700 Comment
  CAS-BOT-BC138356  Aira caryophyllea var. caryophyllea J. H. Thomas 1954-5-13 4148 A Siskiyou Salmon Mountains, Klamath National Forest. Near South Fork of Salmon River, 5 to 9 miles southeast of Cecilville. Along Rush Creek. 1127 Comment
  HSC58901  Allium amplectens Marvin Butler 1971-7-29 247 Siskiyou Near Bell Echo Camp 1 Comment
  CAS-BOT-BC462992  Allium bolanderi Geo. D. Butler 1908-6-29 113 Siskiyou Near Oro Fino Comment
  RSA550217  Allium bolanderi var. mirabile D. W. McNeal 1992-5-16 3910 Siskiyou Sandy soil layer over a conglomerate substrate on a steep slope above the dirt road running NW from Hilt, 4.8 miles NW of Interstate 5 at the Hilt exit. Comment
  CAS-BOT-BC469234  Allium falcifolium R. C. Barneby 1954-5-16 11529 Siskiyou 6 miles SW of Yreka 975 Comment
  HSC44754  Allium falcifolium J. O. Sawyer 1978-6-19 3259 Siskiyou Marble Mtn. Wilderness, along trail W of Grants Meadow 1860 Comment
  SEINET12048266  Allium falcifolium M. Ownbey, Brown, D. H. 1941-1 2427 Siskiyou SW of McKinley Mountain, W of Yreka Comment
  CAS-BOT-BC132142  Allium siskiyouense L. E. Smith 1914-4-20 637 Siskiyou Yreka Comment
  CAS-BOT-BC132147  Allium siskiyouense Geo. D. Butler 1910-4-10 1167 Siskiyou Hills near Yreka Comment
  CAS-BOT-BC132149  Allium siskiyouense C. L. Hitchcock; J. S. Martin 1939-7-9 5319 Siskiyou Between King's Castle and Black Mts., west side of ridge 1828 Comment
  UCD138604  Allium siskiyouense L. K. Mann; J. M. Tucker, S. L. Holloway 1963-7-9 s.n. Siskiyou Marble Mountain Wilderness Area. 1950 Comment
Read comments
Mar 27 2015
  POM109964  Allium siskiyouense Geo D. Butler 1909-5-3 791 Siskiyou Yreka hills Comment
  JEPS61507  Allium validum Willis L. Jepson 1894-8-4 Siskiyou Cedar Spring Mt. Shasta, Cedar Spring Comment
  JEPS61509  Allium validum Geo. D. Butler 1908-8-3 112 Siskiyou canyon below Log Lake; Shackleford Creek 1371 Comment
  CAS-BOT-BC478033  Allium validum A. A. Heller 1915-8-26 12233 Siskiyou Mt. Eddy in open swampy places in the forest 1828 Comment
  CAS-BOT-BC453443  Allotropa virgata Volney Rattan 1879-6-1 s.n. Siskiyou Klamath Comment
  CAS-BOT-BC171414  Alnus incana subsp. tenuifolia W. R. Dudley 1899-8-15 s.n. Siskiyou Black Fox Comment
  UC164051  Alnus incana subsp. tenuifolia Geo. D. Butler 1910-5-10 1316 Siskiyou Goosenest foothills; border of streams 1524 Comment
  HSC68538  Alnus rhombifolia Maralyn A. Renner 1980-6-25 1103 Siskiyou Little South Fork Indian Creek, W Fork 1220 Comment
  JEPS58664  Alnus rhombifolia Geo. D. Butler 1908-7-4 10 Siskiyou near Reeders; Shasta River 670 Comment
  UC1034619  Alnus rhombifolia Douglas Barbe 1955-6-27 5 Siskiyou 0.8 mi n Callahan (in dredgings near Hjertagers' Mill); Klamath Mountains 975 Comment
  CAS-BOT-BC169646  Alnus rhombifolia W. R. Dudley 1901-8-26 s.n. Siskiyou By East Fork of Scotts Creek, Salmon Mountains Comment
  HSC2376  Alnus viridis subsp. sinuata William J. Ferlatte 1966-7-7 192 Siskiyou Caribou Basin. 1982 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
  RSA158059  Alnus viridis subsp. sinuata Jack Major 1961-7-14 649 Siskiyou South wall of Mud Creek, Mount Shasta. 2317 Comment
  RSA238550  Alnus viridis subsp. sinuata Frederick W. Oettinger 1968-9-8 779 Siskiyou The Salmon Mountains, in the vicinity of English Peak, Marble Mountains Wilderness Area, around the outlet stream of English Lake. 1753 Comment
  CAS-BOT-BC539686  Alnus viridis subsp. sinuata Doris K. Kildale 1928-8-19 6576 Siskiyou Hancock Lake on trail to Marble Mt. 2133 Comment
  HSC26546  Alopecurus aequalis J. P. Smith, Steve Selva 1970-8-8 4552 Siskiyou Juanita Lake Comment
  UCD14406  Alopecurus pratensis Sheryl Gill 1996-9-3 s.n. Siskiyou At the Tule Lake National Wildlife Refuge - 'Frey's Island' Sites D, E, and F; in the south-east part of the refuge in southern sump; 'Captain Jack's Stronghold' GS map quad. 1229 Comment
Read comments
Jun 24 2009
  CAS-BOT-BC18600  Alyssum alyssoides A. A. Heller 1905-6-17 8054 Siskiyou Between Sisson and Barnard station. Comment
  NY785945  Alyssum alyssoides A. A. Heller 1905-6-17 8054 Siskiyou Comment
  HSC26934  Amaranthus albus J. P. Smith, J. O. Sawyer 1971-9-18 4823 Siskiyou 1.2 mi. W of junction of Hwy. 3 and Rd. 8, N of Callahan. Comment
  HSC2904  Amaranthus blitoides D. M. Thomson 1965-7-21 158 Siskiyou Lava Beds National Monument, Telephone Line Rd., 0.5 mi. S of dump Comment
  HSC26758  Amaranthus californicus J. P. Smith, J. O. Sawyer 1971-9-18 4822 Siskiyou 1.2 mi. W of junction of Hwy. 3 and Rd. 8, N of Callahan. Comment
  UC618855  Amaranthus powellii W. Bridge Cooke 1938-8-21 11553 Siskiyou Horse Camp, near the Shasta Alpine Lodge Mount Shasta 2438 Comment
  HSC25759  Amelanchier alnifolia var. pumila D. H. Norris, Thomas W. Nelson, S. Dowty 1971-6-23 19531 Siskiyou Snowman's Hill Summit 3 mi. W of McCloud on Hwy. 89 Comment
  HSC27466  Amelanchier alnifolia var. semiintegrifolia J. P. Smith, J. O. Sawyer 1972-5-28 5378 Siskiyou 2.4 mi. E of Trail Creek Campground on the Calahan-Cecilville Rd. 1524 Comment
  JEPS126015  Amelanchier pallida C. S. Campbell, M. Lorusso 2011-5-20 11 -353 Siskiyou Pat Trinca's property, east side of Hilt Valley Comment
  JEPS126020  Amelanchier pallida E. T. Doucette 2013-5-21 13 -133 Siskiyou Greenhorn Road, Yreka, 8.3 miles from business district. Comment
  RSA60668  Amelanchier pallida I. L. Wiggins 1950-5-28 12366 Siskiyou Margins of Carmen Lake, ca. 1.5 miles E of Scott Mtn road. 1738 Comment
  UC1540021  Amelanchier utahensis M. Mitchell 1936-5-14 18 Siskiyou Captain Jack's Stronghold 1249 Comment
  UC375373  Amelanchier utahensis Geo. D. Butler 1908-7-12 493 Siskiyou Humbug Mountain Comment
  UC454971  Amelanchier utahensis I. J. Condit 1909-8-23 Siskiyou near Sisson (Castle Lake); Castle Lake 1828 Comment
  UC466803 Image available Amelanchier utahensis Annie M. Alexander and Louise Kellogg 1911-6-4 106 Siskiyou Mayten Comment
  CHSC88371  Amphiscirpus nevadensis Jenny Marr 1993-7-1 177 Siskiyou Butte Valley Wildlife Area, +/- 7 air miles NW of the town of MacDoel. Meadow NW of Meiss Lake. 1349 Comment
  HSC64003  Amsinckia intermedia J. P. Smith 1976-5-4 8661 Siskiyou E boundary of Klamath National Forest along Hwy. 96, above Klamath River 610 Comment
  RSA68954  Anaphalis margaritacea A. E. Culbertson 1943-7-17 4 Siskiyou Near Forest Service Camp Grd. about a mile downstream from Castle Lake on road to town of Shasta; on north slope of a 6600' eastern spur of Trinity Mts. and 1500' above Sacramento R., Within 9 air miles of its headwaters to the west. Mt. Shasta 13 miles to NE. 1524 Comment
  JEPS82718  Anemone deltoidea Wayne Roderick 1983-7-10 Siskiyou Doe Flat 1143 Comment
  UC1299406  Anemone deltoidea Freed W. Hoffman 1948-7-9 2570 Siskiyou 6.5 mi n West Branch Public Camp (Happy Camp-Waldo Rd) Comment
  CAS-BOT-BC391791  Anemone deltoidea C. R. Quick 1950-6-21 50 -04 Siskiyou Upper Hungry Creek drainage, west of Hilt and east of Beaver Creek Comment
  RSA50230  Anemone deltoidea E. K. Balls 1949-7-9 13938 Siskiyou 8.3 miles from Etna on road to Sawyer's Bar. 1006 Comment
  CAS-BOT-BC391862  Anemone drummondii Harley P. Chandler 1901-6-1 1657 Siskiyou North Coast Ranges. Marble Mountain 2438 Comment
  JEPS74465  Anemone drummondii W. J. Ferlatte 1966-6-23 120 Siskiyou Trinity Alps, Dorleska summit 2133 Comment
  UCR52382  Anemone drummondii R. James, S. Matthews, M. Goering 1985-6-1 138 Siskiyou Scott Mountain road about 2-3 miles from summit 1405 Comment
  CAS-BOT-BC391935  Anemone multifida G. J. Muth 1969-8-10 1315 Siskiyou Ridge w. of Boulder Peak Comment
  HSC58915  Anemone occidentalis Marvin Butler 1971-7-14 137 Siskiyou Near El Capitan 2073 Comment
  UC8953  Anemone oregana Harley P. Chandler Jun 1901 1551 Siskiyou ridges and meadows near Marble Mtn; North Coast Ranges 1828 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
  JEPS22050  Angelica arguta Rimo Bacigalupi with Reino and Aloha Alava 1958-9-1 6798 Siskiyou 6.2 mi above junction with road to Gumboot Lake (sw of Mount Shasta town (formerly Sisson), headwaters Sacramento River, on road to Castle Lake, drainage of Scott Camp Creek) 1432 Comment
  RSA470340  Angelica arguta var. arguta M. B. Dunkle 1945-1 9339 Siskiyou Klamath National Forest, Marble Mountains. 2439 Comment
  JEPS19763  Angelica tomentosa Rimo Bacigalupi with S. Galen Smith 1957-6-26 5941 Siskiyou about 11 mi sw of town of Mount Shasta (between White Ridge and Scott Camp Ridge, along road to Gumboot Lake, in Canyon of South Fork Sacramento River); South Fork Sacramento River 1219 Comment
  CAS-BOT-BC64785  Antennaria Alice Eastwood 1923-5-20 s.n. Siskiyou Shasta Springs Comment
  CAS-BOT-BC59283  Antennaria argentea A. A. Heller 1905-6-8 7999 Siskiyou West of Yreka Comment
  SEINET2033733  Antennaria geyeri J. William Thompson 1936-7-8 13158 Siskiyou Lava BedsNational Monument Comment
  POM253189  Antennaria geyeri A. A. Heller 1938-7-12 15245 Siskiyou Occasional plants along U.S. Highway #97 in gravelly soil 5 miles north of Weed. 1067 Comment
  RSA167215  Antennaria howellii subsp. howellii Joseph P. Tracy 1950-7-20 19206 Siskiyou Along top of ridge 5 miles SE of Flint Valley and along the road to Prospect Hill Comment
  JEPS109705  Antennaria media subsp. media Dean W. Taylor 2002-7-20 18267 Siskiyou The Eddys, Pacific Crest Trail ca. 0.5 mile North of Forest Road 17 2103 Comment
  RSA184766  Antennaria rosea Gilbert Muth 1966-7-25 451 Siskiyou Marble Mountain lookout, Marble Mountains. 2098 Comment
  HSC4639  Antennaria rosea subsp. rosea R. C. Wunner 1965-8-21 459 Siskiyou California Lava Beds National Monument; 1/4 mile from Caldwell Butte towards Caldwell Ice Cave 1402 Comment
  HSC4642  Antennaria rosea subsp. rosea D. M. Thomson 1965-8-7 180 Siskiyou California Lava Beds National Monument; Cave Loop road Comment
  CDA6273  Antirrhinum majus T. C. Fuller 1965-6-1 13584 Siskiyou East side of Highway 99 just south of Dunsmuir exit, Dunsmuir. 0 Comment
  RSA0047114  Apera interrupta L. Ahart 2005-6-9 12007 Siskiyou On the east side of a poor rock fence, about 300 yards east of where cattle water in the Shasta River, about 3/5 mile (air) south of Highway 99/97 Cutoff, about 2.5 miles (air) ESE of Grenada. 775 Comment
  CHSC75666  Apocynum androsaemifolium Vernon H. Oswald; Lowell Ahart 1999-7-5 9808 Siskiyou Gazelle Mtn. on road 41N03 0.5 mi southeast of Gazelle-Callahan Hwy. 1508 Comment
  HSC67802  Apocynum androsaemifolium J. Sawyer, J. Cole 1980-7-22 3981 Siskiyou NW slopes of Cedar Mtn. 1524 Comment
  UC566936  Apocynum androsaemifolium Dorothy Tebbe 1929-7-7 7 Siskiyou Donkey Camp Mt. Eddy Comment
  CAS-BOT-BC395146  Aquilegia formosa Alice Eastwood 1912-8-30 s.n. Siskiyou Mount Eddy Comment
  CAS-BOT-BC395153  Aquilegia formosa Wm. Bridge Cooke 1938-7-29 11424 Siskiyou Wagon Camp, Mount Shasta Comment
  RSA238277  Aquilegia formosa var. truncata Frederick W. Oettinger 1967-8-13 256 Siskiyou Below Tom Taylor Cabin Spring. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2049 Comment
  HSC90568  Arabis divaricarpa Jennifer Whipple 1977-8-6 2241 Siskiyou Dale Creek drainage on the N face of Mt. Eddy 2195 Comment
  RSA0126001  Arabis divaricarpa Geo. D. Butler 1910-6-5 1524 Siskiyou Log Lake, Shackleford Creek. Comment
  SEINET3899916  Arabis holboellii var. retrofracta James Payne Smith Jr 1976-5-5 8678 Siskiyou Road from Sawyers Bar to Somes Bar, just west of Sawyers Bar.; 0 671 Comment
  HSC90310  Arabis modesta D. L. Goforth 1980-4-23 468 Siskiyou Salmon River at Grant Bluff 290 Comment
  HSC90274  Arabis oregana D. L. Goforth 1980-6-27 645 Siskiyou Scott River, S of Deep Creek 732 Comment
  HSC62262  Arabis platysperma Al Hobart Siskiyou Youngs Valley Comment
  HSC69274  Arabis platysperma var. howellii Maralyn A. Renner 1980-9-1 2715 Siskiyou S side of Devil's Punchbowl 1829 Comment
  UC165311  Arabis sparsiflora Geo. D. Butler 1910-5-21 1382 Siskiyou Klamath hills Klamath Comment
  RSA0001909  Arabis sparsiflora var. subvillosa Geo. D. Butler 1909-5-8 723 Siskiyou Yreka Hills. Comment
  HSC39296  Arabis subpinnatifida J. O. Sawyer 1970-4-3 2096 Siskiyou Along Sugar Creek 915 Comment
  UC375282  Arabis subpinnatifida Geo. D. Butler Apr 8 1909-May 2 1909 587 Siskiyou near Yreka Comment
  HSC29176  Arabis suffrutescens Frederick W. Oettinger 1968-8-16 540 Siskiyou Marble Mtn. Wilderness Area, W side of Red Hill N of Hancock Lake 2058 Comment
  UC933378  Aralia californica Annie M. Alexander and Louise Kellogg 1948-9-7 5587 A Siskiyou at small creek S. Fork Salmon River Siskiyou Mts., S. Fork Salmon River Comment
  SEINET2471353  Arceuthobium abietinum R. L. Mathiasen 2007-9-19 2007 -51 Siskiyou Yellow Jacket Ridge on trail to Chimney Rock Lake 1250 Comment
  SEINET2140102  Arceuthobium californicum R. L. Mathiasen 2003-1 2003 -37 Siskiyou 16 km from St. Rte 96 on forest rd. 14N21 (Killon Mtn. Rd.). 1360 Comment
  CDA22359  Arceuthobium campylopodum R. L. Mathiasen 2005-3-12 532 Siskiyou 0.8 km north of Highway 89 on Forest Road 88 (road to Mt. Shasta Ski Park). Shasta-Trinity National Forest. 0 Comment
  UCD78114  Arceuthobium campylopodum Robert E. Preston 2003-7-31 2175 Siskiyou N slope of Rainbow Mountain 1706 Comment
  CAS-BOT-BC410078  Arceuthobium douglasii Louis C. Wheeler 1934-6-25 2783 Siskiyou West Fork of Cottonwood Creek, Siskiyou Mountains 1371 Comment
  JEPS81757  Arctostaphylos klamathensis Albert Seneres, Stephen Edwards, and Nigel Harold 1982-10-5 Siskiyou Terrace Lake 1920 Comment
  SEINET11998396  Arctostaphylos klamathensis R. Raiche, Edwards, S. 1986-1 60256 Siskiyou Terrace Lake 1914 Comment
  CAS-BOT-BC39978  Arctostaphylos nevadensis W. R. Dudley 1893-6-20 s.n. Siskiyou Near Castle Lake by Mt. Shasta. Comment
  CAS-BOT-BC40020  Arctostaphylos nevadensis Doris K. Kildale 1929-8-25 9094 Siskiyou Wiskey Lake on trail to Preston Peak 1524 Comment
  HSC65419  Arctostaphylos nevadensis Rich White 1978-7-3 202 Siskiyou 0.5 mi. up Dillon Ridge Trail 1715 Comment
  HSC65501  Arctostaphylos nevadensis R. White 1977-6-20 89 Siskiyou NE area around Devil's Punchbowl 1433 Comment
  JEPS83893  Arctostaphylos nevadensis Wayne Roderick July 1976 Siskiyou areas near Cook and Green Pass (along trail to Lily Pad Lake); Siskiyou Mountains Comment
  RSA760539  Arctostaphylos nevadensis R. F. Thorne, Frederick W. Oettinger 1969-8-4 63372 Siskiyou Klamath National Forest, Salmon Mountains, Marble Mountain Wilderness Area, high lake basins in the vicinity of English Peak 2072 Comment
  CAS-BOT-BC46453  Arctostaphylos patula C. Hart Merriam 1919-10-18 s.n. Siskiyou Baird Fish Hatchery, McCloud River. Comment
  CAS-BOT-BC46479  Arctostaphylos patula Doris K. Kildale 1928-8-19 6566 Siskiyou Hancock Lake, on trail to Marble Mt. 2133 Comment
  CAS-BOT-BC46487  Arctostaphylos patula Ira L. Wiggins 1955-7-22 13459 Siskiyou Ridge w. of China Creek, s. side of s. fork of Salmon River. 944 Comment
  HSC92374  Arctostaphylos patula Jennifer Whipple 1976-7-2 1275 Siskiyou Dale Creek drainage on the N face of Mount Eddy 2195 Comment
  JEPS38837  Arctostaphylos patula Harriet P. Kelley 1914-3-22 Siskiyou Dunsmuir Comment
  JEPS38839  Arctostaphylos patula J. W. Kisling 1910-4-20 Siskiyou Edgewood Comment
  POM367403  Arctostaphylos patula Christopher Davidson 1975-6-5 2649 Siskiyou 2.4 mi E of town of Mt. Shasta on Mt. Shasta Uplands Rd. 1280 Comment
  RSA105355  Arctostaphylos patula G. D. Barbe 1955-7-6 137 Siskiyou Along northeast shore of Taylor Lake, Salmon Mtns. 1951 Comment
  RSA639545  Arctostaphylos patula L. C. Wheeler 1952-9-17 6934 Siskiyou [No location data on label.] Comment
  UC646815  Arctostaphylos patula Reed C. Rollins and T. S. Chambers 1938-8-15 2722 Siskiyou 3 mi s Weed 914 Comment
  SEINET11988197  Arctostaphylos patula var. coalescens W. Roderick, Sigg, J. 1981-1 s.n. Siskiyou on road between Horsetail & Cook & Green Pass 1341 Comment
  CAS-BOT-BC47010  Arctostaphylos viscida subsp. viscida W. R. Dudley 1901-8-21 s.n. Siskiyou Rush Creek Trail, Salmon Mountains. Comment
  CAS-BOT-BC47096  Arctostaphylos viscida subsp. viscida J. H. Thomas 1954-5-12 4125 Siskiyou Salmon Mountains, Klamath National Forest. Near s. Fork of Salmon River, 5 to 9 mi. se. of Cecilville, between Lat. 41 975 Comment
  CAS-BOT-BC47097  Arctostaphylos viscida subsp. viscida Walter Knight; Irja Knight 1979-9-6 3424 Siskiyou Marble Rim below Lookout (north), Marble Mts. 2072 Comment
  JEPS38756  Arctostaphylos viscida subsp. viscida Geo. D. Butler 1909-3-21 659 Siskiyou Oro Fino Comment
  UC166197  Arctostaphylos viscida subsp. viscida Geo. D. Butler 1909-4-26 693 Siskiyou Oro Fino hills Comment
  UC166124  Arenaria congesta var. congesta Geo. D. Butler 1909-6-22 965 Siskiyou Goosenest foothills Comment
  POM208262  Arenaria serpyllifolia L. C. Wheeler 1934-6-4 2641 Siskiyou Ridge E Negro Gulch off Klamath River; Siskiyou Mts. 1067 Comment
  HSC46308  Arnica cernua J. P. Smith 1973-5-5 6486 Siskiyou Along Cook and Green Pass Rd. Comment
  CHSC88368  Arnica chamissonis Jenny Marr 1993-7-1 174 Siskiyou Butte Valley Wildlife Area, +/- 7 air miles NW of the town of MacDoel. Meadow NW of Meiss Lake. 1349 Comment
  UCSB63908  Arnica chamissonis Oswald, Vernon; Ahart, Lowell 1997-7-28 Siskiyou On the east side of Forest Route 15, 10.9 mi. north of Hwy. 89; T41N R2E Sect. 18; Lodgepole Pine Forest 1383 Comment
  POM253187  Arnica chamissonis subsp. foliosa A. A. Heller 1938-7-13 15270 Siskiyou 1 mile south of Bray 1402 Comment
  CAS-BOT-BC82360  Arnica cordifolia John Thomas Howell; T. C. Fuller; G. D. Barbe 1980-4-29 53397 Siskiyou Forest Mountain Summit, 6 miles southwest of Yreka on road to Fort Jones 1249 Comment
  CDA10118  Arnica cordifolia T. C. Fuller 1958-6-18 1795 Siskiyou Summit of Siskiyou Mountains along road between Cave Junction & Happy Camp. 0 Comment
  HSC29303  Arnica cordifolia Frederick W. Oettinger 1969-7-14 1023 Siskiyou High Lake Basins near English Peak; Marble Mountain Wilderness Area, above English Lake outlet along route from Charmaine to English Lake 1921 Comment
  UC1409370  Arnica cordifolia Frederick W. Oettinger 1968-9-1 647 Siskiyou ssw of, (wet shaded ledge at base of precipice) Abbott's Lake; Salmon Mountains, Marble Mountain Wilderness Area, English P 1798 Comment
  UCD129112  Arnica cordifolia Geo. C. Wood 1940-4-30 s.n. Siskiyou 5 miles south of Yreka. Comment
  CAS-BOT-BC295874  Arnica dealbata J. O. Sawyer; R. J. Cole 1980-7-21 3823 Siskiyou .2 miles east of Medicine Lake Ranger Station; west end of Medicine Lake Comment
  CAS-BOT-BC82553  Arnica discoidea Doris K. Kildale 1928-7-2 5364 Siskiyou Salmon Summit via Horn Ceek Trail Comment
  CAS-BOT-BC82606  Arnica lanceolata subsp. prima Doris K. Kildale 1929-8-24 9082 Siskiyou Rattlesnake Meadow, Preston Peak 1676 Comment
  CDA16952  Arnica latifolia G. F. Hrusa 1993-8-14 11398 Siskiyou Summit of pass betw. Happy Camp, Ca. and O'Brien, Or., just on Ca. side of state boundary. 1371 Comment
  UC1408755  Arnica latifolia Frederick W. Oettinger 1968-8-10 460 Siskiyou high lake basins in vicinity of English Peak ((along old Hancock Lake trail to Diamond Lake)); Salmon Mountains, Marble Mountain Wilderness Area, English P 1973 Comment
  CHSC69068  Arnica longifolia Vernon H. Oswald; Lowell Ahart 1997-7-28 8790 Siskiyou Southeast of Medicine Lake at Paynes Springs. 1981 Comment
  RSA237483  Arnica mollis Frederick W. Oettinger 1969-8-19 1470 Siskiyou 0.2 mi due NE of Charmaine Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1890 Comment
  UC1040751  Arnica mollis A. H. Murphy 1956-8-16 56 Q Siskiyou Big Marshy Meadows Klamath National Forest 1981 Comment
  CAS-BOT-BC85064  Arnica parryi Gilbert Muth 1966-7-31 476 Siskiyou Damp rocky areas, north side of Black Mountain, Marble Mts. 2057 Comment
  JEPS125856  Arnica venosa Dean W. Taylor 1996-6-20 15728 Siskiyou Drainage of Dry Creek on western short, Lake Shasta; Shasta National Recreation Area. Comment
  UC1475693  Arnica viscosa Muth and Overton 1979-8-12 13687 Siskiyou near Cliff Lake; Scott Bar Quad. 1951 Comment
  CAS-BOT-BC146278  Arrhenatherum elatius var. elatius Gilbert Muth 1966-8-1 487 Siskiyou Marble Mountains. Marble Valley Horse Pasture. 1792 Comment
  UCD129189  Artemisia arbuscula J. M. Tucker; L. K. Mann 1963-8-18 3764 Siskiyou saddle between Marble Mountain and southwestern ridge of Black Mountain (Black Marble Mountain), Marble Mountain Wilderness Area. 2103 Comment
  CAS-BOT-BC90474  Artemisia douglasiana A. A. Heller 1914-8-25 11710 Siskiyou Along the railroad embankment near Deetz Station opposite Black Butte 1158 Comment
  CAS-BOT-BC97250  Artemisia ludoviciana J. P. Smith; J. O. Sawyer 1973-8-14 7324 Siskiyou Hillside west of Cliff Lake 2011 Comment
  RSA183731  Artemisia ludoviciana subsp. incompta Gilbert Muth 1965-8-17 232 Siskiyou On trail to backside of Blk. Mt. Comment
  RSA186322  Artemisia ludoviciana subsp. incompta Gilbert Muth 1966-10-16 9 Siskiyou Marble Mountains 1793 Comment
  HSC5015  Artemisia tridentata subsp. tridentata R. C. Wunner 1965-8-26 481 Siskiyou Lava Beds N.M., N Prefab Indian Well 1433 Comment
  UCD77361  Artemisia tridentata subsp. vaseyana Robert E. Preston 2001-8-26 1771 Siskiyou Klamath National Forest, N slope of Rainbow Mountain. 2103 Comment
  UC12124  Aruncus dioicus var. pubescens C. B. Bradley 1879-1 Siskiyou Comment
  CAS-BOT-BC447710  Aruncus dioicus var. vulgaris John Thomas Howell 1966-8-3 497 Siskiyou Marble Valley by creek; Marble Mts. 1792 Comment
  RSA293186  Aruncus vulgaris J. M. Smith 1978-5-28 9956 Siskiyou Klamath National Forest, 7.6 miles SE of Somes Bar on the road along the Salmon River Comment
  HSC68477  Asclepias cordifolia Maralyn A. Renner 1980-6-8 811 Siskiyou Slopes E of Hwy. 3 1341 Comment
  UC1483543  Asclepias cordifolia Maralyn A. Renner 1980-6-8 811 Siskiyou slopes e State Highway 3; Klamath National Forest, Yreka Quad. 1341 Comment
  UC220787  Asclepias cordifolia H. E. Brown Jun 11 1897-Jun 16 1897 371 Siskiyou n side Mt. Shasta 1524 Comment
  SEINET10923196  Asclepias fascicularis Edwin B. Copel 1903-7-4 Copeland 3558 Siskiyou Klamathon Comment
  CHSC106108  Asclepias speciosa Lowell Ahart; John Dittes 2010-7-30 16965 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
  JEPS49824  Asclepias speciosa Willis L. Jepson July 24, 1894 - August 10, 1894 14539 Siskiyou near Sisson; Region of the Upper Sacramento Comment
  SEINET3158835  Asclepias speciosa G. D. Butler 1910-8-5 1813 Siskiyou Yreka Comment
  SEINET10814570  Asclepias speciosa Edward L. Greene 1876-6-28 Greene 899 Siskiyou Collected near Yreka. Comment
  HSC71077  Aspidotis densa M. A. Baker 1980-6-20 2198 Siskiyou Near Bald Mtn. 1036 Comment
  UC722388  Aspidotis densa C. L. Hitchcock and J. S. Martin 1939-7-7 5283 a Siskiyou 1/2 mi below Sanger Peak Lookout 1524 Comment
  SEINET5338519  Aspidotis densa M. J. Williams 1967-9-2 s.n. Siskiyou Cabin Meadow 1829 Comment
  RSA142693  Aster occidentalis Philip A. Munz 1960-8-22 24173 Siskiyou Panther Meadows, Mt. Shasta 2287 Comment
  UC144161  Astragalus californicus A. A. Heller 1905-6-22 8082 Siskiyou between Igerna and Weed; between Igerna and Weed Comment
  CAS-BOT-BC27497  Astragalus californicus Edward Lee Greene 1876-5-9 764 Siskiyou near Yreka Comment
  POM204045  Astragalus californicus Alice Eastwood 1934-4-20 1743 Siskiyou Near Yreka on Ft. Jones road. Comment
  CAS-BOT-BC177864  Astragalus curvicarpus var. curvicarpus A. A. Heller 1905-6-19 8066 Siskiyou Grenada Station Comment
  UC82564  Astragalus filipes Katharine Brandegee June 1887 Siskiyou Shasta Plains Comment
  CAS-BOT-BC182965  Astragalus filipes E. K. Balls 1950-5-17 14719 Siskiyou By New Lava Flow, on rd. to Capt. Jack's Stronghold. Lava Beds Nat'l Monument 1584 Comment
  RSA0002917  Astragalus hendersonii Geo D. Butler 1909-5-8 706 Siskiyou Klamath Rim. Comment
  CAS-BOT-BC192914  Astragalus purshii var. lectulus K. T. Stillman 1976-6-25 61 Siskiyou Marble Mountain Wilderness Area 2072 Comment
  HSC101156  Astragalus purshii var. lectulus Dana York 2011-8-12 3050 Siskiyou Klamath National Forest, Marble Mountain ridge 2058 Comment
  CAS-BOT-BC192967  Astragalus purshii var. purshii A. M. Vollmer; L. Beane 1951-5-31 27 Siskiyou Scott Mountain Comment
  CAS-BOT-BC193060  Astragalus purshii var. tinctus Alice Eastwood; John Thomas Howell 1934-4-20 1744 Siskiyou Near Yreka on Ft. Jones road Comment
  UC796574  Astragalus purshii var. tinctus Roxana S. Ferris and Laura Lorraine Jun 12 1948-Jun 16 1948 11710 Siskiyou Schoolhouse Hill, Plowman's Valley (Noyes Valley), East fork of Scott River Plowman's Valley (Noyes Valley), E. Fork of Scott River, Sch Comment
  CAS-BOT-BC198705  Astragalus whitneyi var. siskiyouensis A. A. Heller 1916-7-22 12487 Siskiyou East side of Mt. Eddy Comment
  JEPS95304  Astragalus whitneyi var. siskiyouensis Vernon H. Oswald and L. Ahart 1994-7-11 6398 Siskiyou T39N R6W NE1/4 Sec. 26, 6320 ft, Red Fir Forest. Forest Rd. 26 (to Mt. Shasta) 0.6 mi N of Gumboot Trailhead on the Pacific Crest Trail, W of Dunsmuir 1926 Comment
  CAS-BOT-BC94462  Astragalus whitneyi var. siskiyouensis R. C. Wenk 2005-7-19 319 Siskiyou Along Pacific Crest Trail, 1-2 miles S of parking lot at top of pass on National Forest Road 17, going towards Mt. Eddy 2133 Comment
  RSA0006883  Astragalus whitneyi var. siskiyouensis H. D. Ripley, R. C. Barneby 1954-5-7 11536 Siskiyou Scott Mts., 5 miles above Callahan. 1265 Comment
  CHSC63505  Asyneuma prenanthoides Vernon H. Oswald; Lowell Ahart 1994-8-1 6421 Siskiyou Forest Rd. 26 paralleling the South Fork of the Sacramento River, 0.3 mi E of Forest Rd. 40N43, 9.0 mi SW of the dam at Lake Siskiyou. 1438 Comment
  CAS-BOT-BC69537  Athyrium alpestre subsp. americanum C. G. Pringle 1882-9-1 s.n. Siskiyou Mt. Shasta. Comment
  RSA237518  Athyrium americanum Frederick W. Oettinger 1969-8-22 1489 Siskiyou On the southeast bank of Horse Range Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1829 Comment
  HSC29367  Athyrium distentifolium var. americanum Frederick W. Oettinger 1968-8-24 631 Siskiyou Marble Mtn. Wilderness Area, near Tom's Lake 2058 Comment
  POM197146  Athyrium filix-femina subsp. cyclosorum Geo D. Butler 1910-07 1675 Siskiyou Schackleford Creek 1220 Comment
  RSA333467  Athyrium filix-femina subsp. cyclosorum Dave Kelly, Walter Wisura 1985-7-30 4070 Siskiyou Siskiyou Mountains, along Middle Creek Road, north of Horse Creek. Comment
  UC1481842  Athyrium filix-femina var. cyclosorum Milo S. Baker 1926-7-14 23 a-26 Siskiyou 4 1/2 mi along forest rd N Fork Mt. Comment
  CAS-BOT-BC17619  Athysanus pusillus W. J. Crins; et al 1988-4-18 7431 Siskiyou Klamath National Forest. 10 km. west of I-5 on Highway 96, Tree-of-Heaven Camp. Comment
  POM94678  Athysanus pusillus Geo. D. Butler 1910-3-27 1145 Siskiyou Near Yreka. Comment
  CHSC72232  Atriplex rosea Vernon H. Oswald; Lowell Ahart 1998-9-16 9652 Siskiyou Return leg of the Tour Route at Lower Klamath NWR ca. 2 mi south of Hwy. 161. 1243 Comment
  UC166118  Balsamorhiza deltoidea Geo. D. Butler 1909-4-14 595 Siskiyou Humbug Road Comment
  UC585252  Balsamorhiza deltoidea E. B. Babcock, G. L. Stebbins Jr. 1936-6-13 1995 Siskiyou 1 1/2 mi w of, e and ne slope of spur of Rainbow Ridge above Sulloway Creek Mt. Shasta City; Rainbow Ridge 1180 Comment
  CAS-BOT-BC106550  Balsamorhiza deltoidea Doris K. Kildale 1929-3-10 7773 Siskiyou Klamath River at Hornbrook 609 Comment
  CAS-BOT-BC100062  Balsamorhiza lanata L. E. Smith 1913-4-14 627 Siskiyou Yreka Comment
  CHSC118187  Balsamorhiza lanata Sarah Tona 2015-6-9 3 Siskiyou Along the west side of Old Highway 99, 1.8 miles south of Gazelle. Coordinates: 44.494926, -122.510921 WGS84. 876 Comment
  CAS-BOT-BC100105  Balsamorhiza sagittata Elmer I. Applegate 1935-6-6 9383 Siskiyou Indian Well, Lava Beds National Monument Comment
  HSC75155  Balsamorhiza sericea Thomas W. Nelson, Jane P. Nelson 1979-5-26 4716 Siskiyou Along Hwy. 3, N of Scott Mtn. Summit, at junction with FS Rd. 40N03 1524 Comment
  CAS-BOT-BC400051  Berberis Doris K. Kildale 1929-5-18 7728 Siskiyou Klamath River at Hornbrook Comment
  CDA24388  Berberis aquifolium T. C. Fuller 1962-8-3 9521 Siskiyou Siskiyou Mountains; Slope above Salt Gulch, Horse Creek. 0 Comment
  HSC36930  Berberis aquifolium var. aquifolium J. P. Smith 1974-5-27 7596 Siskiyou Along USFS Rd. 47N03 1646 Comment
  HSC96825  Berberis nervosa S. Lyon 2006-7-16 9 Siskiyou E of Eddy Gulch Rd., 3 mi. S of intersection with Sawyers Bar Rd. 915 Comment
  CAS-BOT-BC75926  Berberis piperiana L. B. Kildale 1930-6-1 9822 Siskiyou Etna Mills. Comment
  CAS-BOT-BC75927  Berberis piperiana Carl B. Wolf 1934-7-5 5973 Siskiyou 7 miles from Oak Knoll Ranger Station on Klamath River, on road to Dry Lake Lookout, Siskiyou Mountains. 1371 Comment
  CAS-BOT-BC75933  Berberis piperiana Roxana S. Ferris; Laura Lorraine 1948-6-12 11826 Siskiyou 1 mile below summit of Gazelle Mountain Grade, west side, Gazelle-Callahan Road. 1219 Comment
  CAS-BOT-BC75943  Berberis piperiana John Thomas Howell 1937-7-23 13357 Siskiyou South Fork of Salmon River near Big Flat. 1524 Comment
  CAS-BOT-BC76001  Berberis pumila Wm. F. Herrin 1920-5-1 s.n. Siskiyou Shasta Springs. Comment
  CAS-BOT-BC76008  Berberis pumila Doris K. Kildale 1929-7-20 8534 Siskiyou Trail to Elk Lick, south Fork of Indian Creek. Comment
  SBBG60376  Berula erecta L. Ahart, J. Dittes 2010-7-30 16934 Siskiyou W edge of Shasta River, ca. 30 yards NW of E Louie Rd Bridge, Shasta Big Springs Ranch, 1.6 mi (air) SW of Big Springs Lake, 4.6 mi (air) NW of Dwinnel Dam, 5.7 mi (air) SE of Grenada 716 Comment
  UC847563  Betula occidentalis Alice Eastwood 1912-7-23 1341 Siskiyou Cantara Comment
  HSC77073  Bistorta bistortoides K. T. Stillman 1976-6-26 120 Siskiyou Marble Mtn. Wilderness Area, near Bear Lake. 1829 Comment
  UCSB24981  Bistorta bistortoides Keefe, Joseph 1967-7-11 Siskiyou Little Castle Lake, southeast of Castle Lake, 10 miles southwest of city of Mt. Shasta 1981 Comment
  HSC26152  Blepharipappus scaber J. P. Smith, J. O. Sawyer 1972-9-12 5767 Siskiyou Scott Mountain; 1/2 mile east of Scott Mountain Rd. (S.R. 3) 1646 Comment
  UC1278816  Blepharipappus scaber Louis C. Wheeler 1934-6-22 2760 Siskiyou Cottonwood Creek, Siskiyou Mountains Siskiyou Mountains, Cottonwood Creek 914 Comment
  POM215870  Blepharipappus scaber L. C. Wheeler 1935-6-9 3553 Siskiyou Yreka Creek, Siskiyou Mountains. 1220 Comment
  POM351059  Blepharipappus scaber L. C. Wheeler 1934-6-22 2760 Siskiyou Cottonwood Creek, Siskiyou Mountains. Mt. Diablo Mer. 915 Comment
  CDA10531  Blepharipappus scaber subsp. laevis F. D. Horn 1977-6-8 Siskiyou Weed Airport, north of Weed. 0 Comment
  CAS-BOT-BC16871  Boechera R. C. Wenk 2005-7-15 217 Siskiyou Trinity Alps, above S Fork of Salmon R., along the Yellow Rose Mine Trail, top of pass going N towards Preacher's Peak 2133 Comment
  UC199785  Boechera Annie M. Alexander and L. Kellogg 1911-6-21 170 Siskiyou Jackson Lake Jackson Pk. Comment
  CAS-BOT-BC15791  Boechera acutina John Thomas Howell 1937-7-23 13373 Siskiyou South Fork of Salmon River near Big Flat. 1524 Comment
  CAS-BOT-BC15798  Boechera acutina John Thomas Howell 1937-7-26 13551 Siskiyou Caribou Gulch. Comment
  UCD114318  Boechera divaricarpa A. H. Murphy 1953-7-28 KNF 8 Siskiyou Long Gulch Camp, Siskiyou-Trinity County. 1889 Comment
  JEPS40879  Boechera howellii Paul C. Hutchison 1962-8-2 942 Siskiyou between top of ski lift and Panther Meadow; Mt. Shasta 2743 Comment
  UC1783914  Boechera pauciflora Geo. D. Butler 1908-8-4 125 Siskiyou head of Shackelford Creek 1676 Comment
  UCD77347  Boechera paupercula Robert E. Preston 2001-7-21 1730 Siskiyou Klamath National Forest, north slope of Rainbow Mountain, T42N R1W ne 1/4 Section 22 2072 Comment
  CAS-BOT-BC25414  Boechera retrofracta George Dexter Butler 1910-7-8 1663 Siskiyou Log Lake, Shackleford Creek. 1219 Comment
  JEPS104933  Boechera retrofracta Dean W. Taylor 1996-6-18 15726 Siskiyou Scott Mountains; bordering Shasta Valley, hillslopes about 4 miles south of Gazelle; Shasta-Trinity National Forests 1249 Comment
  CAS-BOT-BC25617  Boechera retrofracta Alice Eastwood; John Thomas Howell 1937-6-26 5031 Siskiyou Near Etna. Comment
  CAS-BOT-BC25623  Boechera retrofracta George Dexter Butler 1909-5-1 728 Siskiyou Near Yreka. Comment
  SEINET12004229  Boechera retrofracta Unknown 1936-1 13433 Siskiyou Weed Comment
  SEINET10627096 Image available Boechera rollei W. E. Rolle 1983-8-4 Rolle 831 Siskiyou Open places on sparsely forested slopes, peridotite rocks and soil derived and Klamath rivres, Red Butte-Kangaroo Mt.-Lilypad Lake- Towhead Lake region, T47N R12W, Sec. 13. 1646 Comment
  CAS-BOT-BC25690  Boechera sparsiflora L. B. Kildale 1930-6-1 9853 Siskiyou Summit between Sawyers Bar and Etna Mill. Comment
  CAS-BOT-BC25792  Boechera stricta Vesta Holt 1943-8-13 M- 17 Siskiyou Marble Mountains. Comment
  UC1442634  Boechera subpinnatifida William J. Ferlatte 1978-5-28 1906 Siskiyou 0.4 mi e Interstate 5 (0.2 mi ne of Hwy 3 on way to Montague, ne of Yreka) 830 Comment
  UC1159804  Bolboschoenus maritimus Edward J. O'Neill Sep 1965 Siskiyou Tulelake Fish and Game Preserve Comment
  SEINET3561644 Image available Boschniakia strobilacea James Montgomery 1969-7-24 80918 c Siskiyou Mount Shasta, Shasta National Forest. 1981 Comment
  SJSU6512  Boykinia major R. W. Trivelpiece 1972-6-15 115 .5 Siskiyou Vann Cr near Bear Peak c. 15 mi SW of Happy Camp 1280 Comment
  RSA238308  Boykinia major Frederick W. Oettinger 1968-8-15 525 Siskiyou E bank of Hancock Lake. Salmon Mtns. High Lake Basins in the vicinity of English Peak. Marble Mtn Wilderness Area. 1936 Comment
  UC2026462  Boykinia major Louis C. Wheeler 1958-8-21 7419 Siskiyou Siskiyou Mountains. Head of Hell's Canyon. Comment
  CAS-BOT-BC418421  Boykinia occidentalis Doris K. Kildale 1928-7-1 5329 Siskiyou Forks of Salmon Comment
  HSC77495  Boykinia occidentalis L. P. Janeway 1983-6-25 338 Siskiyou Bluff above Klamath River, E side, near Independence Creek Bridge 274 Comment
  CAS-BOT-BC127714  Brickellia greenei L. E. Smith 1915-7-1 s.n. Siskiyou Castella Comment
  OBI55401  Brickellia greenei David J. Keil 1992-7-24 23562 Siskiyou Klamath Natl forest E of Callahan. 2.5 mi N of Kangaroo Lake on Rail Crk rd Comment
  OBI55536  Brickellia greenei David J. Keil 1992-7-24 23562 Siskiyou Klamath Natl forest E of Callahan. 2.5 mi N of Kangaroo Lake on Rail Crk rd Comment
  UC164282  Brodiaea elegans subsp. elegans Geo. D. Butler 1910-5-29 1421 Siskiyou meadow near Yreka Comment
  SEINET10533843  Brodiaea multiflora Edward L. Greene 1876-6-5 Greene 822 Siskiyou Collected near Yreka, Calif. 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
  UC1037090  Bromus carinatus var. carinatus Leo Whitney 1934-6-29 2220 Siskiyou Tennant 1524 Comment
  UC60463  Bromus carinatus var. carinatus E. Palmer 1892-1 2626 Siskiyou near Mount Shasta Comment
  POM216038  Bromus diandrus L. C. Wheeler 1935-5-7 3469 Siskiyou Klamath River at Ash Creek 610 Comment
  RSA239067  Bromus marginatus Frederick W. Oettinger 1969-8-13 1351 Siskiyou Southeast ridge of English Peak. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2134 Comment
  RSA239069  Bromus marginatus Frederick W. Oettinger 1969-9-1 1576 Siskiyou Dry Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2027 Comment
  RSA239078  Bromus orcuttianus Frederick W. Oettinger 1969-8-3 1140 Siskiyou Above English Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1829 Comment
  UCD59251  Bromus orcuttianus R. Tofsrud 1948-8-1 s.n. Siskiyou Along road up Mt. Shasta to Panther Meadow. 1219 Comment
  CAS-BOT-BC161707  Bromus rubens 1951-5-23 90 Siskiyou McConahahy Gulch, Scott Valley. 914 Comment
  HSC65420  Bromus tectorum J. P. Smith 1973-5-5 6548 Siskiyou Scott Bar along the Scott River Comment
  HSC68483  Bromus tectorum Maralyn A. Renner 1980-6-10 878 Siskiyou Ridge 1 mi. S of Greenhorn Rd. and 1 mi. E of Mill Creek 1341 Comment
  UC618647  Bromus tectorum W. Bridge Cooke 1938-7-1 11159 Siskiyou above Bear Spring (near the Bear Spring-Wagon Camp Road, Mount Shasta); Mount Shasta 1676 Comment
  RSA239003  Calamagrostis breweri Frederick W. Oettinger 1968-8-2 354 Siskiyou South end of Diamond Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2073 Comment
  UCD57223  Calamagrostis canadensis J. R. Swallen 1940-8-22 15465 Siskiyou Mount Shasta, Mud Creek Canyon. 1981 Comment
  HSC104253  Calamagrostis canadensis var. canadensis Dana York 2011-9-9 3099 Siskiyou Klamath National Forest, a few meters inside Marble Mountain Wilderness at Isinglass Lake. 1985 Comment
  HSC30642  Calamagrostis koelerioides Frederick W. Oettinger 1969-9-3 683 Siskiyou Marble Mountain Wilderness Area, W of Horse Range Lake, NW of Horse's Hole Pond 1921 Comment
  HSC91977  Calamagrostis koelerioides Jennifer Whipple 1976-8-20 1717 Siskiyou S face of Mount Eddy draining into the N Fork of the Sacramento River 2470 Comment
  JEPS83988  Calamagrostis koelerioides L. R. Heckard with S. D'Alcamo, J. Hickman 1986-7-16 6384 Siskiyou ca 1.5 mi e Red Butte summit (ca 7 mi nne of Seiad Valley, w of Cook and Green Pass) 1900 Comment
  RSA238376  Calamagrostis koelerioides Frederick W. Oettinger 1969-9-3 1614 Siskiyou Shasta Ridge, north slope of English Peak. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2073 Comment
  UC166502  Calamagrostis koelerioides Geo. D. Butler 1910-7-12 1746 Siskiyou Shackleford Creek 1371 Comment
  UCD57255  Calamagrostis koelerioides A. H. Murphy 1955-7-28 55 H Siskiyou Klamath National Forest, Marble Mountains, Hancock Lake. 1889 Comment
  CAS-BOT-BC185089  Calamagrostis purpurascens Douglas Barbe 1959-7-4 531 Siskiyou North shore of Caribou Lake, about 4 miles southwest of Big Flat Camp, Klamath National Forest. 2103 Comment
  HSC31982  Callitropsis nootkatensis Steve Selva, Roger Jensen 1974-8-23 40 Siskiyou Devils Punchbowl Comment
  CAS-BOT-BC85750  Calocedrus decurrens Peter H. Raven 1956-9-5 10467 Siskiyou North Fork of Sacramento River 1584 Comment
  UC922507  Calochortus coeruleus Annie M. Alexander and Louise Kellogg 1949-7-21 5823 Siskiyou near Paradise Lake; Marble Mountains 1920 Comment
  UC13822  Calochortus elegans Harley P. Chandler Jun 1901 1646 Siskiyou Marble Mountain North Coast Ranges 2438 Comment
  CAS-BOT-BC488614  Calochortus elegans var. nanus A. A. Heller 1920-6-27 13386 Siskiyou Metcalf's ranch, northeast base of Mt. Eddy 1158 Comment
  HSC60468  Calochortus elegans var. nanus Carl Wishner 1978-7-19 552 Siskiyou Monument Lake, Marble Mtn. Wilderness Area 1768 Comment
  CAS-BOT-BC132415  Calochortus greenei F. T. Callahan II 1989-9-1 s.n. Siskiyou NNW. of Iron Gate Res. 609 Comment
  CAS-BOT-BC483440  Calochortus macrocarpus Peter H. Raven 1956-8-11 10067 Siskiyou 9.6 miles south of turnoff to Bray on U.S. Highway 97 Comment
  RSA52433  Calochortus macrocarpus Dorothy Parker 1948-7-26 158 Siskiyou Cal-Ore, near Calif.-Ore. border 1220 Comment
  UCD129758  Calycadenia fremontii Gerald D. Carr 1974-9-12 783 Siskiyou 0.4 mile east of Somebar on Etna-Somebar Road. Comment
  JEPS30009  Calycadenia truncata Geo. D. Butler 1908-8-2 343 Siskiyou roadside near, Greenview; Scott Valley Comment
  HSC4429  Calyptridium monospermum William J. Ferlatte 1966-8-3 295 Siskiyou Josephine Lake basin 1677 Comment
  SBBG16542  Calyptridium monospermum D. Myrick 1961-6-20 272 Siskiyou near Mt Shasta City 1066 Comment
  CDA39273  Camassia quamash subsp. quamash T. C. Fuller 1962-6-13 8994 Siskiyou South side of Highway 89 to Lake Britton, 0.5 mile east of Bartle. 0 Comment
  RSA120905  Camelina microcarpa Milo S. Baker 1957-6-15 13102 Siskiyou Just south of Weed. Comment
  SEINET10463249  Campanula prenanthoides Thomas 1954-7-21 Thomas 4384 Siskiyou SALMON-TRINITY MTS CA 6 MI SE OF CECILVILLE, W SIDE RUSH CREEK. 975 Comment
  SEINET10463337  Campanula prenanthoides Alice Eastwood 1912-8-30 Eastwood s.n. Siskiyou Mount Eddy Comment
  SEINET10463779  Campanula scouleri LEE 1934-8-13 LEE 1080 Siskiyou Watershed of West Branch of Indian Creek, Happy Camp to Waldo (Oregon) road, Klamath National Forest 1463 Comment
  UC1258461  Campanula wilkinsiana Maralyn A. Renner 1980-8-21 2538 Siskiyou Kidd Creek Coffee Creek Quad. 2042 Comment
  SEINET10872989  Campanula wilkinsiana Cooke 1938-9-17 COOKE 11698 Siskiyou Mount Shasta; Horse Camp Springs, on the Summit trail & Squaw Cr. Meadows. 2469 Comment
  CAS-BOT-BC37235  Cardamine bellidifolia R. H. Bolimannsou 1926-7-16 s.n. Siskiyou Mount Shasta. Comment
  CAS-BOT-BC37748  Cardamine californica J. H. Thomas 1954-5-13 4140 Siskiyou Salmon Mountains, Klamath National Forest. Near South Fork of Salmon River 5 to 9 miles southeast of Cecilville. 1066 Comment
  UC909340  Cardamine nuttallii Ira L. Wiggins 1950-5-28 12375 Siskiyou on ridge between Carmen Lake and headwaters Grouse Creek; ridge btwn Carmen Lake and headwaters Grouse Creek Comment
  CDA3667  Cardaria chalepensis E. Hale 1989-5-15 Siskiyou Bruce Street, between Fourth and Main, Yreka. 0 Comment
  CDA38722  Carduus acanthoides Tanya Chapple 2012-7-26 PDR# 470 P06027587 Siskiyou Dillon watershed, west of Dillon Mountain. Comment
  HSC76855  Carex amplifolia L. P. Janeway 1982-6-18 77 Siskiyou 1 1/2 mi. up FS 19N07 from Indian Creek Rd., near a small creek 701 Comment
  CAS-BOT-BC17993  Carex aquatilis W. J. Ferlatte 1966-8-3 278 Siskiyou Josepine Lake Basin. 1920 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
  JEPS63765  Carex athrostachya B. C. Goldsmith 1916-8-6 13 a Siskiyou Sisson Comment
  CAS-BOT-BC19563  Carex bolanderi Elmer I. Applegate 1895-5-28 786 Siskiyou Sisson, Strawberry Valley. Comment
  JEPS109271  Carex bolanderi D. W. Taylor 2005-7-14 19401 Siskiyou Wagon Camp, along Forest road 40N25, Panther Creek drainage, Mount Shasta Comment
  HSC41067  Carex bolanderi J. O. Sawyer 1969-6-27 866 Siskiyou Ridge between Duck Lake Creek & French Creek along FS 41N14 1280 Comment
  SEINET10706563  Carex bolanderi A. Arthur Heller 1905-6-13 Heller 8025 Siskiyou Near Shasta Springs. Comment
  HSC86451  Carex breweri D. K. Imper Jun 1987 Siskiyou 8 mi. E of town of Mt. Shasta 2591 Comment
  UC670  Carex breweri Willis L. Jepson Aug 1894 Siskiyou Horse Camp Mount Shasta Comment
  CAS-BOT-BC34882  Carex deflexa var. boottii John Thomas Howell 1937-7-21 13198 Siskiyou South Fork of Salmon River near Big Flat. 1524 Comment
  CAS-BOT-BC19872  Carex echinata subsp. echinata Louis C. Wheeler 1935-7-26 3721 Siskiyou Siskiyou Mountains. Jaynes Canyon. 1950 Comment
  HSC29666  Carex echinata subsp. echinata Frederick W. Oettinger, R. F. Thorne 1969-8-7 1270 Siskiyou Marble Mtn. Wilderness Area, margin of English Lake 1768 Comment
  CAS-BOT-BC19918  Carex epapillosa A. A. Heller 1922-7-15 13709 Siskiyou Meadow at Medicine Lake. 2133 Comment
  CAS-BOT-BC20746  Carex fracta William Bridge Cooke 1938-7-15 11263 Siskiyou Mt. Shasta. 1737 Comment
  CAS-BOT-BC20747  Carex fracta William Bridge Cooke 1938-6-24 11085 Siskiyou Mt. Shasta. 1524 Comment
  UCD77458  Carex fracta Robert E. Preston 2002-7-13 1923 Siskiyou Klamath National Forest, Trout Creek Meadow. 1505 Comment
  HSC91192  Carex geyeri Jennifer Whipple 1976-6-18 1037 Siskiyou Slopes near Little Crater Lake 2195 Comment
  JEPS125992  Carex geyeri D. W. Taylor 1996-6-18 15699 Siskiyou Shasta-Trinity National Forest; Scott Mountains; bordering Shasta Valley, hillslopes about 4 miles S of Gazelle. Comment
  CHSC106461  Carex hassei Peter F. Zika 2009-6-18 24535 Siskiyou Klamath Range (KR). Near Pacific Crest Trail, Route 3, Scott Mountain Summit. 1640 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
  HSC85843  Carex hoodii L. P. Janeway 1983-8-26 608 Siskiyou Poker Flat, across road on N side of meadow 1524 Comment
  CHSC82806  Carex inops subsp. inops L. P. Janeway 2002-7-12 7623 Siskiyou High Cascade Range. 3.5 km south of the top of Ash Creek Butte; 0.2 km southwest of Road 19 (Military Pass Road); 0.6 km north-east of confluence of Ash Creek and Brewer Creek. 1573 Comment
  CAS-BOT-BC7660  Carex integra W. J. Ferlatte 1966-6-23 124 Siskiyou Yellow Rose Mine. 1981 Comment
  UC535937  Carex interior Elmer I. Applegate 1895-5-28 785 Siskiyou Sisson Strawberry Valley Comment
  SEINET3902483  Carex jepsonii D. H. Norris, T. Nelson; Steve Dowty 1971-7-23 19530 Siskiyou Along State Route 89 at Snowman's Hill Summit about 3 miles east of McCloud, CA.; 0 Comment
  HSC505  Carex jonesii William J. Ferlatte 1967-6-27 531 Siskiyou Big Flat, between campground and S Fork of the Salmon River 1524 Comment
  JEPS84071  Carex lenticularis var. impressa L. R. Heckard with S. D'Alcamo, J. Hickman 1986-7-16 6375 Siskiyou ca. 1.5 mi e Red Butte summit (ca. 7 mi nne of Seiad Valley, w of Cook and Green Pass) 1900 Comment
  UC562249  Carex lenticularis var. impressa Joseph P. Tracy 1935-8-1 14415 Siskiyou head of west branch of Knownothing Creek Rock Lake 1889 Comment
  HSC62583  Carex lenticularis var. impressa Al Hobart 1968-7-11 Siskiyou Youngs Valley Comment
  CAS-BOT-BC28432  Carex lenticularis var. lipocarpa John Thomas Howell 1937-7-22 13255 Siskiyou South Fork of Salmon River near Big Flat. 1524 Comment
  SEINET7564650 Image available Carex lenticularis var. lipocarpa Frederick W. Oettinger 1968-9-9 801 Siskiyou Salmon Mountains, High Lake Basins in the vicinity of English Peak Marble Mountain Wilderness Area, Tom's Lake. 2012 Comment
  CHSC106525  Carex luzulina Peter F. Zika 2009-6-18 24534 Siskiyou Klamath Range (KR). Meadow near Pacific Crest Trail, Route 3, Scott Mountain Summit. 1640 Comment
  UC1950133  Carex luzulina Barbara Ertter 1990-7-14 9350 Siskiyou E-facing hillside; just N of roadfork on FR 40N234 ca 1/2 mi S of Wagon Creek, E side Mt Eddy ca 4 airmiles W of Mt Shasta City Comment
  UC1265320  Carex luzulina var. ablata Frederick W. Oettinger 1968-8-3 374 Siskiyou Diamond Lake Salmon Mountains, Marble Mountain Wilderness Area (high lake basins in the vicinity of English Peak) 1828 Comment
  HSC76388  Carex mendocinensis L. P. Janeway 1982-6-29 30 Siskiyou Old roadbed across small creek, 400 ft. SE of No Mans Creek, and .7 mi. up No Mans Creek from the Clear Creek Road 701 Comment
  CHSC115879  Carex multicaulis Peter F. Zika 2012-5-18 25888 Siskiyou Near Dunsmuir Avenue, S end of town of Dunsmuir, 3.6 air km SE of Mount Bradley, Klamath Range. 730 Comment
  UCD140652  Carex multicaulis John Thomas Howell 1937-7-26 13556 Siskiyou Caribou Gulch. Comment
  UC642550  Carex nebrascensis J. W. Stacey 1939-6-23 13502 Siskiyou near Municipal Spring (above Howard); Mount Shasta Comment
  CHSC96088  Carex nervina L. P. Janeway 2006-7-3 8755 Siskiyou Klamath Ranges. Salmon Mountains; Music Creek Trailhead near upper Music Creek. 1893 Comment
  CAS-BOT-BC119476  Carex nudata Louis C. Wheeler 1934-9-22 3296 Siskiyou Walker 518 Comment
  POM224492  Carex nudata L. C. Wheeler 1934-9-22 3296 Siskiyou Walker, Klamath River, Siskiyou Mountains. (Mt. Diablo Mer.) 518 Comment
  CAS-BOT-BC119291  Carex occidentalis John Thomas Howell 1939-8-3 14989 Siskiyou Spirit Lake, Marble Mts. 1828 Comment
  CHSC118258  Carex pachycarpa R. E. Brainerd; N. Otting 2013-7-12 2189 Siskiyou Klamath Mountains. Lower Big Meadow, ca. 0.2 mile southwest of Big Meadow Trailhead, 6.7 air miles west of Oro Fino. UTM Zone 10 495857E 4604306N WGS84. 1981 Comment
  SEINET8989727 Image available Carex pachystachya Unknown 2006-1 8728 Siskiyou Klamath Ranges. Salmon Mountains; near minor drainage to South Fork Scott River from the west, 1.6 km north of Carter Meadows Summit. Deadman Peak 7.5' quad. Comment
  CAS-BOT-BC119200  Carex pachystachya A. A. Heller 1922-7-15 13706 Siskiyou Plentiful in moist soil in the meadow at Medicine Lake. 2133 Comment
  CAS-BOT-BC118931  Carex pellita John Thomas Howell 1937-7-23 13333 Siskiyou South Fork of Salmon River near Big Flat. 1524 Comment
  RSA20485  Carex pellita L. S. Rose 1937-7-3 37393 Siskiyou Weed. 945 Comment
  CAS-BOT-BC118795  Carex preslii William Bridge Cooke 1939-7-13 13636 Siskiyou Bottom of Horse Camp Creek. 2438 Comment
  CAS-BOT-BC118216  Carex rossii John Thomas Howell; Gordon H. True 1972-6-8 48857 Siskiyou S of summit on road from Takilma to Happy Camp Comment
  HSC91373  Carex rostrata Jennifer Whipple 1976-7-24 1535 Siskiyou Dale Creek drainage on the N face of Mt. Eddy 2195 Comment
  UCD140807  Carex scabriuscula J. T. Howell; T. C. Fuller, G. D. Barbe 1980-5-20 2763 Siskiyou north of Trinity Center, south side of Trinity River, west of Highway 3, 0.4 mile north of Coffee Creek Road. 733 Comment
  HSC96570  Carex scopulorum var. bracteosa Gordon Leppig, J. Kalt 1996-7-9 388 Siskiyou Klamath National Forest, Russian Wilderness, cirque W of Little Duck Lake 2200 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
  CHSC71608  Carex serratodens Vernon H. Oswald; Lowell Ahart 1998-8-3 9420 Siskiyou Kangaroo Lake Rd. (USFS 41N08) 3.9 mi southeast of Gazelle-Callahan Rd. at its in-tersection with USFS 41N10. 1554 Comment
  CAS-BOT-BC117242  Carex spectabilis Ira L. Wiggins 1955-7-27 13549 Siskiyou Caribou Lake, Salmon-Trinity Alps Primitive Area. 2042 Comment
  CAS-BOT-BC117247  Carex spectabilis John Thomas Howell 1937-7-24 13434 Siskiyou Caribou Basin, Salmon-Trinity Alps. 2286 Comment
  CAS-BOT-BC117249  Carex spectabilis John Thomas Howell 1937-7-25 13475 Siskiyou Caribou Basin, Salmon-Trinity Alps. 2286 Comment
  JEPS40877  Carex spectabilis Paul C. Hutchison 1962-8-2 931 Siskiyou between Panther Meadow and top of ski lift; Mt. Shasta 2743 Comment
  JEPS84068  Carex spectabilis L. R. Heckard with J. Hickman et al. 1986-7-17 6527 Siskiyou above and s Alex Hole (n of Hwy. 96); Buckhorn Campground Comment
  HSC30675  Carex spectabilis Frederick W. Oettinger, R. F. Thorne 1969-8-6 1254 Siskiyou Marble Mtn. Wilderness Area, the New York Flumes, Pine Lake Basin 1860 Comment
  RSA238925  Carex spectabilis Frederick W. Oettinger 1968-9-4 700 Siskiyou Slope southeast of Abbott s Lake. Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1723 Comment
  JEPS109229  Carex stipata var. stipata D. W. Taylor 2004-7-19 19185 Siskiyou Weed, wet meadow just E of town limits along Boles Creek Comment
  HSC38962  Carex subfusca D. H. Norris May 1970 12268 Siskiyou Haypress Meadows, Marble Mtn. Wilderness Area Comment
  UCD140917  Carex subfusca J. M. Tucker 1950-7-24 1951 Siskiyou beside Cold Creek at the Military Road crossing, about 6 miles northwest of Pilgrim Creek Experiement Station, east side of Mt. Shasta. Comment
  CAS-BOT-BC115844  Carex subfusca William Bridge Cooke 1938-8-22 11340 Siskiyou Mt Shasta. 1981 Comment
  CHSC40129  Carex vesicaria L. P. Janeway 1982-8-15 149 Siskiyou On w side of Echo Lake. 1676 Comment
  HSC83921  Cassiope mertensiana subsp. ciliolata K. Berg, Stephanie Bennett 1986-8-25 646 Siskiyou Salmon-Trinity Alps Wilderness, headwaters of Little S Fork of Salmon River, above Little S Fork Lake 1982 Comment
  UC1037464  Cassiope mertensiana subsp. ciliolata Douglas Barbe 1955-7-9 153 Siskiyou Cliffs south side of Kangaroo Lake, Scott Mtns. 1828 Comment
  UC1409402  Cassiope mertensiana subsp. ciliolata Frederick W. Oettinger 1968-8-1 336 Siskiyou in let stream to Little Hancock Lake (boreal meadow) 2042 Comment
  SEINET9299579  Castilleja applegatei Unknown 2009-5-31 Siskiyou High elevation, semi-arid desert ecosystem; native species; collected at Lava Beds National Monument, directly South of Tulelake, CA. Comment
  HSC82256  Castilleja applegatei subsp. pinetorum Thomas W. Nelson, Jane P. Nelson 1980-7-20 6176 Siskiyou Above and to SE of Big Carmen Lake 1738 Comment
  JEPS32578  Castilleja applegatei subsp. pinetorum Donald Myrick 1961-6-19 267 Siskiyou near Mt. Shasta City 1066 Comment
  JEPS57395  Castilleja applegatei subsp. pinetorum L. R. Heckard with T. I. Chuang 1968-7-2 1970 Siskiyou n side Mt. Shasta (at fork in Bolam road) 1463 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
  JEPS26032  Castilleja arachnoidea Lauramay T. Dempster with Clare B. Hardham 1961-7-1 1842 Siskiyou 1.5 mi e White Mtn. (along ridge from Condrey Peak to White Mtn, watershed between Dutch Creek (Applegate River) and Horse Creek (Klamath River)); Siskiyou Mtns., Dutch Creek, Horse Creek 1889 Comment
  UC1561055  Castilleja arachnoidea Dean Wm. Taylor with Glenn L. Clifton and Rexford E. Palmer 1987-6-7 9022 Siskiyou near Yellowjacket Ice Cave (Medicine Lake highland); Upper Modoc Plateau 1798 Comment
  HSC61964  Castilleja arachnoidea Al Hobart Siskiyou Preston Peak 2073 Comment
  JEPS13483  Castilleja arachnoidea Douglas Barbe 1955-7-26 290 Siskiyou nw shoulder Scott Mountain; Klamath Mountains, Scott Mountain 2011 Comment
  UC164373  Castilleja lacera Geo. D. Butler 1910-5-26 1407 Siskiyou near Yreka Comment
  UC726462  Castilleja lacera A. A. Heller 1919-6-20 13260 Siskiyou Metcalf's Comment
  CAS-BOT-BC254010  Castilleja miniata Geo. D. Butler 1910-6-3 06031910 Siskiyou Quartz Valley Comment
  JEPS76188  Castilleja miniata T. I. Chuang with Fei-Mei Chuang 1977-7-22 7634 Siskiyou Panther Meadow; Mt. Shasta 2194 Comment
  JEPS80583  Castilleja miniata Gilbert Muth 1965-7-29 136 Siskiyou below Marble Rim; Marble Mt. Wilderness Area 2042 Comment
  UC163709  Castilleja miniata Geo. D. Butler 1910-6-3 1472 Siskiyou Quartz Valley Comment
  UC885340  Castilleja miniata A. A. Heller 1916-7-20 12473 Siskiyou near Wagnon Creek Falls (e side of Mt. Eddy); Mt. Eddy 1524 Comment
  CDA41233  Castilleja minor var. exilis J. G. Schieber 1978-7-2 Siskiyou U.S. Wildlife Preserve, Tule Lake. 0 Comment
  UC144528  Castilleja pilosa A. A. Heller 1905-6-20 8079 Siskiyou Gazelle Comment
  CAS-BOT-BC26228  Castilleja pratensis A. A. Heller 1905-6-20 8079 Siskiyou Gazelle Comment
  UC1037203  Castilleja pruinosa Leo Whitney 1934-6-17 1552 Siskiyou canyon side Mt. Shasta 2590 Comment
  JEPS60245  Castilleja pruinosa L. R. Heckard with R. Ornduff 1969-6-24 2310 Siskiyou just w road fork to Copco Lake (along Klamath River); Klamath River Comment
  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
  UC922484  Castilleja schizotricha Annie M. Alexander and Louise Kellogg 1949-7-22 5840 Siskiyou Paradise Lake Marble Mountains (trail to Kings Castle, top of ridge) 2072 Comment
  RSA1116  Ceanothus cordulatus B. D. Stark 1929-7-25 1392 Siskiyou 8 miles N of Dunsmuir. 610 Comment
  UC338006  Ceanothus cordulatus Lemmon 1889-6-28 Siskiyou near Mt. Eddy; Shasta region 1828 Comment
  CAS-BOT-BC49194  Ceanothus cuneatus Roxana S. Ferris; Laura Lorraine 1948-6-12 11812 Siskiyou At Mule Creek crossing of Scott Mountain Road 1524 Comment
  UC163699  Ceanothus cuneatus var. cuneatus Geo. D. Butler 1910-5-2 1267 Siskiyou Yreka Comment
  CAS-BOT-BC50244  Ceanothus integerrimus L. B. Kildale 1930-6-1 9788 Siskiyou Black Bear trail to Sawyers Bar Comment
  JEPS2518 Image available Ceanothus integerrimus Willis L. Jepson 1894-8-1 Siskiyou near Sisson; Shasta Springs Comment
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May 9 2008
  UCD170339  Ceanothus integerrimus D. O. Burge 2016-11-11 2198 Siskiyou Weed area, roadside on Interstate 5. 955 Comment
  CAS-BOT-BC53083  Ceanothus prostratus Laura M. Lathrop 1903-7-10 s.n. Siskiyou Shasta Retreat Comment
  RSA60713  Ceanothus prostratus I. L. Wiggins 1950-5-28 12364 Siskiyou Margins of Carmen Lake, ca. 1.5 miles E of Scott Mtn road. 1738 Comment
  JEPS109713  Ceanothus pumilus Dean W. Taylor 2002-7-20 18269 Siskiyou The Eddys, Pacific Crest Trail ca. 0.5 mile North of Forest Road 17 2103 Comment
  HSC100186  Ceanothus sanguineus J. P. Smith, & J. O. Sawyer 2011-9-3 13404 Siskiyou Along Klamath National Forest Road 47N01. 739 Comment
  CHSC1521  Ceanothus velutinus V. Holt 1932-6-23 Siskiyou Shasta Flats. Comment
  HSC30657  Ceanothus velutinus Frederick W. Oettinger 1968-8-10 469 Siskiyou Salmon Mountains, High Lake Basins in the vicinity of English Peak, Marble Mountain Wilderness Area; east side of Hancock Lake 1936 Comment
  HSC4479  Ceanothus velutinus William J. Ferlatte 1966-6-23 148 Siskiyou Big Flat, near public camp 1524 Comment
  HSC99933  Ceanothus velutinus J. P. Smith, & J. O. Sawyer 2011-7-31 13352 Siskiyou Sugar Creek Trail W of Callahan 1463 Comment
  OBI6050  Ceanothus velutinus Carl B. Wolf 1931-9-3 2395 Siskiyou 1 mi W of summit of grade on road from Mt. Shasta City to McCloud 1219 Comment
  UCD112829  Ceanothus velutinus John Sawyer 1977-7-6 3020 Siskiyou South of Little Duck Lake. 2133 Comment
  CAS-BOT-BC52806  Ceanothus velutinus var. velutinus Brandegee 2 Siskiyou Mt. Shasta Comment
  RSA190692  Centaurea diffusa T. C. Fuller 1967-8-15 16262 Siskiyou 3 roadside plants, W side of Hwy 97 to weed, 3 miles S of Macdoel, Butte Valley Comment
  CDA7267  Centaurea maculosa J. Shaw, B. Ruddiman 1974-7-16 Siskiyou Interstate 5 southbound, approximately six miles north of Weed. 0 Comment
  UCD130113  Centaurea stoebe subsp. micranthos T. C. Fuller 1963-8-26 11155 a Siskiyou W. H. Kerr, Flying K Ranch, upper Quartz Valley, 2 miles south of Mugginsville. Comment
  UCD130116  Centaurea stoebe subsp. micranthos T. C. Fuller 1963-8-26 11155 Siskiyou W. H. Kerr, Flying K Ranch, upper Quartz Valley, 2 miles south of Mugginsville. Comment
  POM130658  Centaurium muehlenbergii E. B. Copeland 1903-7-14 2513 Siskiyou Klamathon. Comment
  SBBG30183  Cephalanthera austiniae D. Myrick 1968-6-29 2061 Siskiyou Mountain Meadow Ranch, Big Flat, near Trinity Center; Trinity Alps 1524 Comment
  CAS-BOT-BC384968  Cerastium arvense Annie M. Alexander; Louise Kellogg 1949-7-28 5882 Siskiyou Sky High Valley, Marble Mountains 1767 Comment
  HSC44959  Cerastium arvense J. O. Sawyer 1978-6-16 3222 Siskiyou Marble Mtn. Wilderness Area, Upper Elk Valley 1951 Comment
  HSC26147  Cerastium beeringianum J. P. Smith, J. O. Sawyer, Maralyn O'Meara 1972-7-3 5688 Siskiyou E slope of Kangaroo Mtn. above Toehead Lake. 1890 Comment
  CDA3354  Cerastium dichotomum G. D. Barbe, J. T. Howell, T. C. Fuller 1980-5-2 2778 Siskiyou Yreka. West of Motel 6, south of town, north of Greenhorn Creek Road. Comment
  UC15101 Image available Cercis occidentalis Milo S. Baker 1893-6 Siskiyou 6 mi below Bartles; McCloud River Comment
  LA47766  Cercocarpus betuloides var. macrourus Louis C. Wheeler; 1934-7-12 2901 Siskiyou Siskiyou Mountains, Cottonwood Creek 1066 Comment
  SEINET6332216  Cercocarpus ledifolius var. intermontanus D. Charlet, T. Charlet 1996-11-25 2342 Siskiyou Scott Mountains at pass at head of Willow Creek at junction with FS Rd. 41N03 1512 Comment
  HSC92685  Chaenactis douglasii var. douglasii Jennifer Whipple 1976-7-2 1266 Siskiyou Dobkins Lake drainage on E facing slopes above Dobkins Lake 2256 Comment
  LA203125  Chaenactis douglasii var. douglasii Louis Wheeler; 1934-6-15 2715 Siskiyou Hungry Creek, Siskiyou Mts 1280 Comment
  CAS-BOT-BC276760  Chaenactis douglasii var. douglasii A. A. Heller 1916-6-23 12431 Siskiyou Near Black Butte N of Sisson 1127 Comment
  HSC60902  Chaenactis douglasii var. douglasii Al Hobart Siskiyou Black Butte Comment
  UC34677 Image available Chaenactis suffrutescens J. G. Lemmon Siskiyou Head-waters Sacramento River Sacramento River; headwaters of the Sacramento River Comment
  UCR142986  Chaenactis suffrutescens L. C. Wheeler 1935-6-15 3586 Siskiyou Klamath Ranges region, Greenview, Scott Valley 884 Comment
  HSC68455  Chamaecyparis lawsoniana Maralyn A. Renner 1980-7-4 1440 Siskiyou Clear Creek Trail, N of Trout Camp. 1037 Comment
  RSA275401  Chamaecyparis nootkatensis J. O. Sawyer, E. Cope 1977-6-20 2963 Siskiyou Open rocks behind Devil s Punchbowl 1829 Comment
  CHSC4549  Chamaesaracha nana J. E. Bowlin 1967-7-18 54 Siskiyou On bank beside the road, 3.9 mi w of Mount Shasta Ski Bowl. 2133 Comment
  CAS-BOT-BC165978  Chamerion angustifolium Wm. Bridge Cooke 1938-7-22 11329 Siskiyou Sisson Southern Trail Comment
  CAS-BOT-BC166089  Chamerion angustifolium subsp. circumvagum John Thomas Howell 1939-8-9 15244 Siskiyou Shackleford Creek Trail, Marble Mts. Comment
  HSC77087  Chamerion angustifolium subsp. circumvagum K. T. Stillman 1976-7-30 332 Siskiyou Marble Mtn. Wilderness Area, Elk Valley. Comment
  UC618797  Chamerion angustifolium subsp. circumvagum W. Bridge Cooke 1938-7-22 11329 Siskiyou Sisson Southern Trail Mount Shasta Comment
  CAS-BOT-BC68244  Cheilanthes gracillima A. A. Heller 1916-7-20 12470 Siskiyou Near Wagon Creek Falls, east side of Mt. Eddy 1524 Comment
  CLARK-A1528-7839  Chenopodium vulvaria John C. Roos 1948-9-1 3985 Siskiyou Fort Jones Comment
  HSC73225  Chimaphila menziesii Gail Newton 1980-6-20 518 Siskiyou Near Bald Mtn. 1326 Comment
  HSC92970  Chimaphila menziesii Jennifer Whipple 1977-8-6 2246 Siskiyou Dale Creek drainage on N face of Mount Eddy 2195 Comment
  CAS-BOT-BC452264  Chimaphila umbellata L. E. Smith 1913-9-1 555 Siskiyou Mt. Eddy Comment
  CAS-BOT-BC452282  Chimaphila umbellata John Thomas Howell 1937-7-26 12559 Siskiyou Caribou Gulch Comment
  CAS-BOT-BC452287  Chimaphila umbellata H. A. Thomas; J. H. Thomas 1954-7-21 4422 Siskiyou Salmon-Trinity Mts. About 6 miles SE of Cecilville. West side of Rush Creek 1219 Comment
  HSC19324  Chimaphila umbellata J. O. Sawyer 1968-6-18 172 Siskiyou Above S Russian Creek on W side. 1463 Comment
  CAS-BOT-BC452273  Chimaphila umbellata Maxine Wilkes 1940-8-20 s.n. Siskiyou Deep Lake, Marble Mts. Comment
  RSA467021  Chimaphila umbellata subsp. occidentalis M. B. Dunkle 1944-7-15 9099 Siskiyou Deer Creek 1768 Comment
  HSC69004  Chrysolepis chrysophylla Maralyn A. Renner 1980-7-24 2133 Siskiyou Pacific Crest Trail, 0.25 mi. SW of Cook and Green Pass. 1494 Comment
  RSA697616  Chrysolepis chrysophylla Leo Miller 1938-1 s.n. Siskiyou Siskiyou Mtns. 915 Comment
  CAS-BOT-BC36236  Chrysolepis sempervirens Wm. Bridge Cooke 1938-6-22 11330 Siskiyou Sisson Southern Trail, Mount Shasta 1371 Comment
  CAS-BOT-BC36247  Chrysolepis sempervirens John Thomas Howell 1937-7-26 13545 Siskiyou Caribou Gulch Comment
  UC455273  Chrysolepis sempervirens I. J. Condit 1909-8-23 Siskiyou near Sisson (Castle Lake); Castle Lake 2133 Comment
  UC5441  Chrysolepis sempervirens Milo S. Baker 1893-8-8 Siskiyou Medicine Lake 1981 Comment
  CAS-BOT-BC36237  Chrysolepis sempervirens C. H. Merriam 1898-9-1 s.n. Siskiyou north side of Mt. Shasta Comment
  POM211818  Chrysothamnus nauseosus subsp. albicaulis L. C. Wheeler 1934-8-26 3223 Siskiyou Trapper Creek. 1860 Comment
  SEINET2030003 Image available Chrysothamnus viscidiflorus subsp. viscidiflorus Lewis S. Rose 1941-8-28 41427 Siskiyou Dorris 1292 Comment
  SD61049  Chrysothamnus viscidiflorus var. viscidiflorus Darley F. Howe 1964-8-5 Siskiyou 8.2 miles south of Dorris on Highway 97. 1280 Comment
  UC60954  Cicuta douglasii Geo. B. Grant September 1902 5143 Siskiyou Mount Shasta Comment
  LA86550  Cinna latifolia J. M. Tucker; 1963-8-19 3775 Siskiyou Marble Mountain Wilderness Area, headwaters of Canyon Creek 1950 Comment
  UCD59689  Cinna latifolia Robert E. Preston 2001-7-20 1690 Siskiyou Klamath National Forest, north slope of Rainbow Mountain, north of Hemlock Lake. 1731 Comment
  CAS-BOT-BC190004  Cinna latifolia J. R. Swallen 1940-8-22 15662 Siskiyou Mount Shasta. Near springs in Mud Creek Canyon. 1981 Comment
  HSC19228  Circaea alpina subsp. pacifica J. O. Sawyer 1969-7-18 1405 Siskiyou SW facing slope above S Russian Creek. 1905 Comment
  UC1333301  Circaea alpina subsp. pacifica Dorothy Parker 1949-6-26 Siskiyou little stream which empties into Etna Creek (Salmon Mt. Range); Salmon Mt. Range 1176 Comment
  RSA0070844  Cirsium andersonii E. K. Balls 1949-7-8 13920 Siskiyou Road to Callahan from Scott Mt. 1524 Comment
  CDA1180  Cirsium cymosum Don Shaw 1974-8-2 s.n. Siskiyou Dorris-Brownell Rd., SE of Dorris. 0 Comment
  CDA35788  Cirsium cymosum var. canovirens Jodi Aceves 2011-7-2 PDR# 1466465 Siskiyou Copco Lake, Ager Beswick Road. 0 Comment
  CDA1274  Cirsium inamoenum T. C. Fuller 1979-10-3 20271 -A Siskiyou Goosenest Rd., 14 km northeast of Tennant. 0 Comment
  RSA0070868  Cirsium remotifolium E. K. Balls 1949-7-10 13959 Siskiyou 3 miles from Sawyer's Bar on road to Cecilville. 793 Comment
  CDA1555  Cirsium remotifolium var. odontolepis D. H. Shaw & J. R. Keck 1977-7-19 s.n. Siskiyou Big Flat Campground, end of Coffee Creek Rd., Salmon- Trinity Primitive Area. Klamath National Forest Comment
  POM33220  Cirsium remotifolium var. odontolepis Geo. D. Butler 1910-7-9 1695 Siskiyou Shackleford Creek. 1220 Comment
  CAS-BOT-BC286476  Cirsium scariosum Peter H. Raven 1956-9-4 10404 Siskiyou South side of Mt. Eddy 2682 Comment
  UC166658  Cirsium scariosum Geo. D. Butler 1910-6-6 1459 Siskiyou Quartz Valley Comment
  CAS-BOT-BC286466  Cirsium scariosum T. C. Fuller 1959-7-9 2738 Siskiyou Hwy 99, 2 miles south of Gazelle Comment
  CDA1578  Cirsium scariosum var. robustum T. C. Fuller 1977-6-14 20216 Siskiyou Klamath Lake valley; North side of Hwy 161 (Stateline Rd.) 5.2 km. east of Hwy 97, 10.5 km. NE of Dorris. Comment
  CAS-BOT-BC228988  Cistanthe umbellata Mrs. H. P. Bracelin 1931-6-21 454 Siskiyou North side of Mt. Eddy above Dobkin's Lake, near Mt. Shasta City 2133 Comment
  HSC16290  Clarkia lassenensis R. C. Wunner 1965-6-15 197 Siskiyou Lava Beds National Monument, SE side of Caldwell Butte near old cinder pit 1402 Comment
  SEINET7096712  Clarkia purpurea subsp. quadrivulnera A. G. Vestal 1963-6-3 s.n. Siskiyou Dry weedy area among larva boulders north of Mayten. NAD27, 41? deg. 40' 41ao, -122?_ 20' 08ao (converted to WGS84 decimal degrees) UTM Zone 10, 555305mE, 4614022mN. Comment
  CDA38037  Clarkia purpurea subsp. quadrivulnera T. C. Fuller 1958-6-19 1803 Siskiyou Tom Williams property, 4 miles northeast of Montague. 0 Comment
  CAS-BOT-BC164967  Clarkia rhomboidea Alice Eastwood 1912-7-15 1149 Siskiyou McCloud Comment
  CAS-BOT-BC164969  Clarkia rhomboidea John Thomas Howell 1937-7-22 13307 Siskiyou South Fork of Salmon River near Big Flat 1524 Comment
  CAS-BOT-BC164971  Clarkia rhomboidea A. A. Heller 1928-6-9 14599 Siskiyou Along the railroad embankment at Shasta Retreat 762 Comment
  POM101840  Claytonia cordifolia Geo. D. Butler 1910-6-5 1510 Siskiyou Shackleford Creek Comment
  UC618652  Claytonia palustris W. Bridge Cooke 1938-6-24 11182 Siskiyou Bear Springs Mount Shasta (along creeks in the meadow of Bear Springs) Comment
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Sep 27 2006
  POM164049  Claytonia parviflora Geo. D. Butler 1909-4-16 675 Siskiyou [Unspecified] Comment
  UCD77231  Claytonia rubra Robert E. Preston 2002-6-20 1851 Siskiyou Klamath National Forest, Rainbow Mountain, W ridge, on E-facing slope. 1968 Comment
  CHSC71314  Claytonia rubra subsp. depressa Vernon H. Oswald; Lowell Ahart 1998-6-11 9219 Siskiyou Butte Valley National Grassland near the junction of Meiss Lake-Sam Neck Rd. and Hwy. 97 ca. 5 mi north of Macdoel. 1295 Comment
  CAS-BOT-BC443831  Claytonia rubra subsp. rubra John Thomas Howell; T. C. Fuller; G. D. Barbe 1980-4-29 53399 Siskiyou Forest Mountain Summit, 6 miles southwest of Yreka on road to Fort Jones 1249 Comment
  HSC76978  Claytonia sibirica K. T. Stillman 1976-6-25 72 Siskiyou Marble Mtn. Wilderness Area 1799 Comment
  HSC4460  Claytonia sibirica William J. Ferlatte 1966-8-18 411 Siskiyou 3 mi. S of Big Flat 1585 Comment
  UC637156  Clematis ligusticifolia Edward Lee 1934-8-10 1022 Siskiyou near Hamburg (between McKinney Creek and Parkerhouse Creek, s. bank of Klamath R.); Klamath R. 609 Comment
  SEINET6907101  Clematis ligusticifolia M. K. Solecki, J. B. Taft 1986-9-9 2144 Siskiyou Bank of Scotty River near Indian Scotty campground; elevation 2,200 feet. 670 Comment
  HSC42887  Clinopodium douglasii K. T. Stillman 1976-8-15 402 Siskiyou Along Specimen Creek 915 Comment
  HSC62303  Clintonia uniflora Ruby Van Deventer 1955-7-31 Siskiyou Trout Camp 1220 Comment
  UCD123560  Collinsia linearis J. M. Tucker 1974-7-28 4326 Siskiyou Marble Mountain Wilderness Area, adjacent to Haypress Meadows. 1463 Comment
  POM43379  Collinsia linearis Geo. D. Butler 1909-5-30 758 Siskiyou Humbug Mountain. 1220 Comment
  SBBG6871  Collinsia parviflora J. M. Tucker 1947-5-17 1556 Siskiyou ca. 5 mi SE of Callahan on rd to Scott Mtn Comment
  HSC72566  Collinsia rattanii J. P. Smith 1976-5-21 8761 Siskiyou Klamath National Forest, USFS Rd. 40N08 6.2 mi from its junction with Hwy. 3 1463 Comment
  UC454129  Collinsia torreyi var. latifolia I. J. Condit 1911-7-7 Siskiyou Shasta Retreat Comment
  HSC19050  Collinsia torreyi var. latifolia J. O. Sawyer 1969-7-18 1393 Siskiyou W facing slope above S Russian Creek 1860 Comment
  UC922456  Collomia grandiflora Annie M. Alexander and Louise Kellogg 1949-7-23 5853 Siskiyou Paradise Lake Marble Mountains 1920 Comment
  RSA237240  Collomia grandiflora Frederick W. Oettinger 1967-6-28 127 Siskiyou On Salmon River near mouth of Kelly Gulch. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 616 Comment
  JEPS69762  Collomia tinctoria W. B. and V. G. Cooke 1972-6-30 45413 Siskiyou Military Pass road above Andesite crossing (in brush field beyond edge of road); Mt. Shasta Comment
  SJSU6072  Collomia tinctoria R. W. Trivelpiece 1971-7-14 52 Siskiyou Blue Ridge between Sawyers Bar & Cecilville, SW of Eddy Gulch Lookout, Salmon R Mts 1219 Comment
  UC164128  Collomia tinctoria Geo. D. Butler 1910-5-30 1429 Siskiyou Humbug Creek Comment
  UC2013021  Collomia tinctoria Barbara Ertter 1990-7-14 9333 Siskiyou Wagon Creek on E side of Mt. Eddy, ca. 4 air miles W of Mt. Shasta City. Comment
  HSC119  Collomia tracyi William J. Ferlatte 1967-8-23 1103 Siskiyou Kidd Creek Trail, densely wooded canyon 1677 Comment
  CAS-BOT-BC286041  Conyza canadensis L. E. Smith 1913-8-12 519 Siskiyou McCloud Comment
  JEPS87635  Conyza canadensis Vernon H. Oswald and Lowell Ahart 1994-8-10 6452 Siskiyou Pilgrim Creek Rd (FS13) at creek Mud Creek (2.7 mi n of Hwy 89, ca 4.5 air mi ne of McCloud) 1097 Comment
  CAS-BOT-BC133721  Corallorhiza Mrs. Gay 1893-6-1 s.n. Siskiyou Field redacted by CAS, contact the data manager for more information Comment
  CAS-BOT-BC133722  Corallorhiza Doris K. Kildale 1928-8-20 6600 Siskiyou Field redacted by CAS, contact the data manager for more information 2133 Comment
  UC164418  Corallorhiza maculata Geo. D. Butler 1910-6-5 1479 Siskiyou Shackelford Creek Comment
  HSC36655  Corallorhiza maculata Brent Whiteley 1975-6-28 67 Siskiyou 915 Comment
  HSC498  Corallorhiza mertensiana William J. Ferlatte 1967-7-26 741 Siskiyou Caribou Basin, Sawtooth Ridge 2134 Comment
  HSC29150  Corallorhiza mertensiana Frederick W. Oettinger 1968-8-7 431 Siskiyou Salmon Mountains, across meadow from base camp, Hancock Lake 1951 Comment
  CHSC105579  Cordylanthus tenuis subsp. tenuis Barbara L. Wilson; Richard E. Brainerd 2010-8-8 16255 Siskiyou On road 26 between Lake Siskiyou and Gumboot Lake, at a junction, about 3/4 mile uphill of road 40N43. Lat. and Long. indicated +/- 46 feet. 1509 Comment
  HSC75389  Cordylanthus tenuis subsp. viscidus J. O. Sawyer, M. Mesler 1980-8-10 4027 Siskiyou S of Carmen Lake, ultramafics of Scott Mtn. 1829 Comment
  JEPS7045  Cordylanthus tenuis subsp. viscidus Rimo Bacigalupi with G. T. Robbins and C. L. Custer 1954-8-12 4791 Siskiyou 1/2 mi w Hamburg (along hwy following Klamath Riber) 457 Comment
  UC885672  Cordylanthus tenuis subsp. viscidus Alice Eastwood 1917-9-2 6664 Siskiyou Shasta Springs Comment
  SEINET10582690  Cordylanthus tenuis subsp. viscidus Rimo Bacigalupi 1954-8-12 Bacigalupi 4791 Siskiyou Along highway following the Klamath River, 1/2 mile west of Hamburg. 457 Comment
  CAS-BOT-BC212064  Cornus nuttallii Ira L. Wiggins 1955-7-29 13589 Siskiyou Along Thompson Creek, 3.5 mi. above S Fork of Salmon River 1371 Comment
  CAS-BOT-BC212073  Cornus nuttallii John Thomas Howell 1937-7-26 13547 Siskiyou Caribou Gulch Comment
  POM78076  Cornus nuttallii Geo. D. Butler 1909-5-30 766 Siskiyou Humbug Mountain Comment
  RSA256603  Cornus nuttallii J. P. Smith 1974-5-25 7434 Siskiyou Near junction of Road 8 and French Creek Road. 1280 Comment
  UC1190154  Cornus nuttallii Ira L. Wiggins 1955-7-29 13589 Siskiyou along Thompson Creek 3.5 mi. above S. Fork Salmon R.; Thompson Creek 1371 Comment
  UC165290  Cornus nuttallii Geo. D. Butler 1908-8-21 85 Siskiyou Etna Creek Comment
  CAS-BOT-BC210414  Cornus sericea Alice Eastwood 1921-7-30 11004 Siskiyou Soda Creek Comment
  CAS-BOT-BC210471  Cornus sericea subsp. occidentalis Geo. D. Butler 1910-6-4 1490 Siskiyou Shackleford Creek Comment
  CHSC71574  Cornus sericea subsp. sericea Vernon H. Oswald; Lowell Ahart 1998-8-3 9457 Siskiyou Kangaroo Lake Rd. (USFS 41N08) 2.6 mi southeast of Gazelle-Callahan Rd. Along a streamlet on the upstream side of a culvert. 1426 Comment
  CDA25822  Crataegus douglasii G. D. Barbe 1984-6-8 4169 Siskiyou West side of Highway 3 at Holzhauser Lane, north of Etna. Comment
  HSC101827  Crataegus gaylussacia J. P. Smith, J. O. Sawyer 2011-7-31 13346 Siskiyou Fence row along on Collier Way in Etna. 884 Comment
  HSC67831  Crepis acuminata J. O. Sawyer, J. Cole 1980-7-22 3935 Siskiyou NW slopes of Cedar Mtn. 1524 Comment
  CAS-BOT-BC291530  Crepis intermedia I. J. Condit 1911-7-13 s.n. Siskiyou Dunsmuir Comment
  CAS-BOT-BC299654  Crepis monticola E. B. Babcock; G. L. Stebbins, Jr. 1936-6-11 1930 Siskiyou About 8 mi. south of Yreka 822 Comment
  UC581274  Crepis monticola E. B. Babcock and G. L. Stebbins Jr. 1936-6-11 1930 Siskiyou old river terrace about 8 mi s Yreka 810 Comment
  UC163904  Crepis monticola Geo. D. Butler 1909-5-30 749 Siskiyou Humbug Road; near summit Comment
  UCD77571  Crepis occidentalis Robert E. Preston 2002-6-20 1840 Siskiyou Klamath National Forest, Rainbow Mountain, W ridge, on E-facing slope 1946 Comment
  CAS-BOT-BC310333  Crepis occidentalis subsp. conjuncta R. C. Wenk 2005-7-19 333 Siskiyou Along Pacific Crest Trail, near top of pass below Mt. Eddy 2438 Comment
  CAS-BOT-BC376485  Crepis occidentalis subsp. conjuncta Roxana S. Ferris; Laura Lorraine 1948-6-12 11712 Siskiyou Schoolhouse Hill, Plowmans Valley [Noyes Valley], e. fork of Scott River Comment
  CAS-BOT-BC376576  Crepis pleurocarpa A. A. Heller 1915-7-16 12104 Siskiyou North side of Mt. Eddy 1371 Comment
  JEPS36456  Crepis pleurocarpa Geo. D. Butler 1908-8-3 306 Siskiyou Shackelford Creek Log Lake 1524 Comment
  UC581190  Crepis pleurocarpa G. L. Stebbins Jr. and J. A. Jenkins 1937-7-19 2446 A Siskiyou n-facing slope on ridge between Big Mill and Mule Creek (near road from Callahan to Carrville) 1120 Comment
  RSA211202  Crepis pleurocarpa William J. Ferlatte 1966-8-4 300 Siskiyou Yellow Rose Mine. 1982 Comment
  RSA47666  Crocidium multicaule Roxana S. Ferris, Laura Lorraine 1948-6-12 11835 Siskiyou Gazelle Mountain grade, road between Callahan and Gazelle. 1500 Comment
  HSC29341  Cryptantha affinis Frederick W. Oettinger 1969-7-10 960 Siskiyou High Lake Basins near English Peak; Marble Mtn. Wilderness Area: SW of Upper English Lake 1921 Comment
  CHSC85763  Cryptantha flaccida G. Douglas Barbe; J. T. Howell, T. C. Fuller 1980-5-20 2770 Siskiyou Klamath Ranges. At the bridge of Hwy 3 over the East Fork Scott River, 2 mi W of Callahan. 987 Comment
  JEPS67602  Cryptantha flaccida Geo. D. Butler 1909-5-10 734 Siskiyou near Yreka Comment
  RSA715496  Cryptantha flaccida L. Ahart 2005-6-9 12022 Siskiyou On the east side of a poor rock fence, about 350 yards E of where cattle water in the Shasta River, about 3/5 mile (air) south of Highway 99/97 Cutoff, about 2.5 miles (air) ESE of Grenada. 775 Comment
  HSC33977  Cryptantha muricata var. jonesii J. P. Smith 1974-5-25 7441 Siskiyou Near junction of Rd. 8 with French Creek Rd. 1280 Comment
  CAS-BOT-BC70482  Cryptogramma acrostichoides Louis C. Wheeler 1934-8-2 3017 Siskiyou Alex Hole, Alex Canyon, Siskiyou Mts. 1889 Comment
  HSC69121  Cryptogramma acrostichoides Maralyn A. Renner 1980-8-7 2387 Siskiyou Klamath National Forest, NW flank of Preston Peak, near summit 2180 Comment
  HSC69190  Cryptogramma acrostichoides Maralyn A. Renner 1980-9-1 2699 Siskiyou S side of Devil's Punchbowl 1829 Comment
  CAS-BOT-BC383126  Cryptogramma cascadensis Andrew Townesmith; Karen M. Meyer 2007-7-30 874 Siskiyou Shasta-Trinity National Forest. At the upper end of county road A10, mile 13.8 (from beginning of road in Mount Shasta City, 12.7 miles from National Forest boundary sign). Highest vehicle accessible point on Mount Shasta 2399 Comment
  SEINET14387696  Cryptogramma cascadensis W. Bridge Cook 1941-1 16304 Siskiyou Scattered through lava slopes above Horse Camp, Mt Stasta 2515 Comment
  UC922418  Cryptogramma cascadensis Annie M. Alexander and Louise Kellogg 1949-7-22 5835 Siskiyou trail to Kings Castle Paradise Lake; Marble Mts 1920 Comment
  CAS-BOT-BC85602  Cupressus bakeri Oliver V. Matthews 1939-7-18 39 Siskiyou N.E. Goose Nest Grove-Goose Nest Region Comment
  POM265146  Cupressus bakeri O. V. Matthews 1939-7-5 21 Siskiyou Sullivan Mine Grove; Cook and Green Reg. 1067 Comment
  RSA142696  Cupressus bakeri Al Hobart 1961-7-13 4 Siskiyou Mt. Preston 2134 Comment
  RSA50556  Cupressus bakeri C. B. Wolf 1944-8-29 11478 Siskiyou NW side Goose Nest mtn, about 1 mi due S of old Smith sawmillon montague to Mt. Hebron Rd. 1677 Comment
  RSA22768  Cupressus bakeri O. V. Matthews 1939-7-11 32 Siskiyou Near junction of W and E Fork of Seiad Creek, on ridge above company s chromium mine 854 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
  CAS-BOT-BC85554  Cupressus macnabiana Thos. H. Harris 1951-6-1 s.n. Siskiyou On Klamath River 3 miles west of bridge on Highway 99 Comment
  UC1409233  Cuscuta occidentalis Frederick W. Oettinger 1968-8-11 474 Siskiyou sse of Tom Taylor Cabin (vicinity of English Peak); Salmon Mountains, Marble Mountain Wilderness Area 2026 Comment
  HSC459  Cynoglossum occidentale William J. Ferlatte 1967-7-8 670 Siskiyou Along Yellow Rose Mine trail 1829 Comment
  RSA610958  Cyperus erythrorhizos L. C. Wheeler 1935-7-20 3673 Siskiyou Scott Valley: Scott river 1.5 miles west of Fort Jones. 822 Comment
  CAS-BOT-BC114152  Cyperus squarrosus Carl B. Wolf 1927-8-27 1122 Siskiyou On the Klamath River, Happy Camp. 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
  HSC36425  Cystopteris fragilis J. O. Sawyer 1969-8-4 1876 Siskiyou S of S Sugar Lake 2104 Comment
  UC1478233  Cystopteris fragilis G. D. Barbe, J. T. Howell, and T. C. Fuller 1980-4-29 2637 Siskiyou 3.2 km e of Callahan (ca. 150 m e of Highway 3 bridge, beside Callahan/Gazelle Rd) 976 Comment
  RSA183739  Cystopteris fragilis Gilbert Muth 1965-8-3 162 Siskiyou Pothole in Marble, Marble Valley, Marble Mountains. Comment
  CHSC4378  Dactylis glomerata M. M. Gregg 1966-5-14 151 Siskiyou 4 mi sw of Etna. McConnahue Gulch. In a Mrs. Parkers driveway. Comment
  CAS-BOT-BC445494  Damasonium californicum Lillian S. Mott 1967-7-2 LM 6764 Siskiyou Near Dorris 1371 Comment
  HSC62459  Danthonia californica Ruby Van Deventer 1959-7-9 Siskiyou Twin Valley Comment
  SEINET4566570  Danthonia californica E. Palmer 1892-1 2666 Siskiyou Near Mt. Shasta Comment
  UCD60527  Danthonia californica var. americana R. Tofsrud 1948-8-3 s.n. Siskiyou Summit of road from Happy Camp, Siskiyou Co. to O'Brien, Oregon. Comment
  RSA239125  Danthonia intermedia Frederick W. Oettinger 1968-8-4 762 Siskiyou Tobacco Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1890 Comment
  CAS-BOT-BC76236  Darlingtonia californica A. A. Heller 1915-7-15 12090 Siskiyou Mount Eddy. 1828 Comment
  CAS-BOT-BC76246  Darlingtonia californica Mrs. John Massin 1894-8-6 s.n. Siskiyou Upper Soda Springs. Comment
  SEINET5728399 Image available Darlingtonia californica Lowell E. Urbatsch, Vensa Karaman 2000-1 7696 Siskiyou Collected along Road 17, 8.8 mi. SW from the jct. of I-5 and Stewart Spring Rd.; Scott Mountains 1586 Comment
  UC1185279  Darlingtonia californica H. E. Brown June 1-10 1897 389 Siskiyou near Sisson 1083 Comment
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  UC1483486  Darlingtonia californica Maralyn A. Renner 1980-7-4 1382 Siskiyou near trail about 1/4 mi below Rattlesnake Meadow; Klamath National Forest, Preston Peak Quad. 1584 Comment
  SEINET10904063  Darmera peltata Mary Merello 1993-6-25 Merello 721 Siskiyou Shasta National Forest. At end of Forest Service Road 39N 28, road to Lower Falls and Fowlers Campground. Open conifer woodlands. Disturbed. Along McCloud River. 970 Comment
  CHSC63417  Dasiphora fruticosa Vernon H. Oswald; Lowell Ahart 1994-7-11 6402 Siskiyou Gumboot Creek on the upstream side of Forest Rd. 26 (to Mt. Shasta), ca. 0.5 mi NE of Gumboot Lake, W of Dunsmuir. 1783 Comment
  UC164456  Datura stramonium Geo. D. Butler 1910-7-1 1620 Siskiyou Yreka Comment
  HSC43033  Daucus carota J. O. Sawyer, K. T. Stillman 1976-7-2 2806 Siskiyou Ridges E of the Little N Fork Trail 732 Comment
  CHSC1459  Delphinium V. Holt 1943-8-14 Siskiyou Marble mountains. 1828 Comment
  JEPS55088  Delphinium andersonii Geo. D. Butler 1909-7-22 901 Siskiyou Goosenest Mountain Comment
  HSC19076  Delphinium decorum subsp. tracyi J. O. Sawyer 1969-6-13 950 Siskiyou Slope above Little Duck Lake 2134 Comment
  HSC65272  Delphinium depauperatum Rich White 1978-7-6 246 Siskiyou Pond above Elk Hole 1524 Comment
  CAS-BOT-BC9887  Delphinium nudicaule Elmer Ivan Applegate 1935-6-10 9478 a Siskiyou South base of Caldwell Butte, Lava Beds National Monument Comment
  HSC34137  Delphinium nuttallianum J. O. Sawyer 1969-7-1 963 Siskiyou NE facing lower slope above Paynes Lake Creek 1829 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
  RSA790244  Delphinium nuttallianum Rebecca Wenk 2005-7-19 347 Siskiyou Border between Siskiyou and Trinity Counties, National Forest Road 17, parking lot where Pacific Crest Trail crosses road at top of pass. 2091 Comment
  UC69612  Delphinium variegatum subsp. variegatum F. W. Hooper Siskiyou Little Shasta Valley. Comment
  RSA13910  Deschampsia cespitosa L. C. Wheeler 1934-8-14 3128 Siskiyou North side White Mountain; Siskiyou Mountains. Mt. Diablo Mer. 1767 Comment
  UC1949313  Deschampsia cespitosa subsp. cespitosa Barbara Ertter 1900-7-14 9320 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, steep E-facing serpentine hillside Comment
  RSA30673  Deschampsia danthonioides L. C. Wheeler 1934-6-22 2751 Siskiyou Cottonwood Creek; Siskiyou Mts. 915 Comment
  UCD62522  Deschampsia danthonioides P. B. Kennedy 1923-7-29 Siskiyou Sisson. Comment
  CAS-BOT-BC201946  Deschampsia elongata Dorothy Parker 1957-7-16 s.n. Siskiyou Cabin Meadow Creek, Scott Mt. Range 1828 Comment
  CHSC61566  Deschampsia elongata L. P. Janeway 1983-8-28 627 Siskiyou Siskiyou Mountains; at Poker Flat, a meadow. Northwest edge of the meadow, on the upper side of the road. 1524 Comment
  HSC92278  Deschampsia elongata Jennifer Whipple 1978-10-6 2429 Siskiyou Dale Creek drainage on N face of Mount Eddy. 2195 Comment
  RSA12630  Deschampsia elongata C. B. Wolf 1934-7-4 5955 Siskiyou 6 8/10 mi. from Dry Lake Lookout, on rd. to Horse Creek, Siskiyou Mts. 1829 Comment
  CAS-BOT-BC65374  Descurainia incana R. C. Wenk 2005-7-15 232 Siskiyou Above South Fork Salmon River, along Yellow Rose Mine trail. 1828 Comment
  CHSC93525  Descurainia sophia Lowell Ahart; John Dittes 2005-6-9 12054 Siskiyou Meadow area along a small drainage, along the sides of a poor rock fence, about 300 yards east of where cattle water in the Shasta River, about 3/5 mile (air) south of Highway 99/97 Cutoff, about 2 1/2 miles (air) east-southeast of Grenada. 774 Comment
  CAS-BOT-BC43527  Descurainia sophia Elmer I. Applegate 1935-6-5 9297 Siskiyou Modoc Stronghold Lava Beds National Monument. Comment
  SDSU2980  Dianthus armeria subsp. armeria D. F. Howe 1977-7-2 4981 Siskiyou Scott River resort area. 610 Comment
  JEPS91305  Dicentra formosa Dean W. Taylor 1972-7-4 1595 Siskiyou near Lily Pad Lake 3 miles west of Cook & Green Pass 1981 Comment
  HSC101  Dicentra pauciflora William J. Ferlatte 1967-6-29 566 Siskiyou Along Yellow Rose Mine Trail 1677 Comment
  UCSB24989  Dicentra pauciflora Keefe, Joseph 1967-7-11 Siskiyou Along trail to Little Castle Lake, 1.0 mile southeast of Castle Lake, 10 miles south of city of Mt. Shasta 1828 Comment
  HSC30435  Dichelostemma ida-maia Frederick W. Oettinger 1969-7-31 1119 Siskiyou Marble Mtns. Wilderness Area, just above Willow Springs on trail between Abbott's Upper Cabin and English Lake 1692 Comment
  CAS-BOT-BC500992  Dichelostemma multiflorum L. B. Kildale 1930-6-1 9832 Siskiyou Mill Creek near Etna Mills. Comment
  CAS-BOT-BC500997  Dichelostemma multiflorum Roxana S. Ferris; Laura Lorraine 1948-6-12 11784 Siskiyou Outskirts of Etna Comment
  CAS-BOT-BC500999  Dichelostemma multiflorum A. A. Heller 1905-6-1 7942 Siskiyou Between Upper Soda Spring and Shasta Retreat Comment
  CAS-BOT-BC290992  Dieteria canescens var. shastensis Louis C. Wheeler 1934-8-24 3218 Siskiyou Trapper Creek, Siskiyou Mts. 1859 Comment
  CAS-BOT-BC290997  Dieteria canescens var. shastensis Louis C. Wheeler 1934-8-24 3218 Siskiyou Klamath National Forest. Trapper Creek 1859 Comment
  CAS-BOT-BC291017  Dieteria canescens var. shastensis R. H. Bohmannson 1926-7-1 s.n. Siskiyou Mt. Shasta Comment
  CAS-BOT-BC291019  Dieteria canescens var. shastensis L. E. Smith 1915-7-1 s.n. Siskiyou Bray Comment
  JEPS94395  Dieteria canescens var. shastensis Vernon Oswald and Lowell Ahart 1997-7-28 8778 Siskiyou Forest Route 56 (42N56) 3.7 mi e of Forest Route 49, edge of Burnt Lava Flow Virgin Area at Yellow Jacket Ice Cave Yellow Jacket Ice Cave; Burnt Lava Flow Virgin Area at Yellow Jacket Ice Cave 1755 Comment
  CAS-BOT-BC290999  Dieteria canescens var. shastensis Wm. Bridge Cooke 1938-8-5 11439 Siskiyou Mount Shasta. MacBridge Spring Road Comment
  CAS-BOT-BC291012  Dieteria canescens var. shastensis Elmer I. Applegate 1923-8-20 3900 Siskiyou Ranger station, west end of Medicine Lake 1981 Comment
  CHSC69092  Diplacus jepsonii Vernon H. Oswald; Lowell Ahart 1997-7-28 8783 Siskiyou Forest Route 56 (42N56) 3.7 mi east of Forest Route 49, edge of Burnt Lava Flow Virgin Area at Yellow Jacket Ice Cave. 1755 Comment
  SBBG16031  Diplacus jepsonii D. Myrick 1961-6-22 318 Siskiyou St Hwy 89 near McCloud 914 Comment
  CAS-BOT-BC153304  Diplacus kelloggii R. C. Barneby 1954-5-16 11520 Siskiyou Scott River canyon 11 1/2 miles above Scott Bar 777 Comment
  CAS-BOT-BC153455  Diplacus layneae Copeland 1903-9-5 3851 Siskiyou Igerna Comment
  SD53405  Dipsacus fullonum Darley F. Howe 1962-8-5 3398 Siskiyou 56.8 miles east of Happy Camp on #96, Bank of Klamath River. 609 Comment
  UC30076  Disporum hookeri Harley P. Chandler June, 1901 1553 Siskiyou near Marble Mountain; North Coast Ranges 1828 Comment
  CAS-BOT-BC136094  Dodecatheon alpinum Alice Eastwood 1921-7-29 10972 Siskiyou Medicine Lake Comment
  HSC19279  Dodecatheon alpinum J. O. Sawyer 1968-6-18 248 Siskiyou Valley bottom of Blakes' Fork. 1707 Comment
  HSC30792  Dodecatheon jeffreyi Melinda F. Denton 1973-6-30 2939 Siskiyou Klamath National Forest, Young's Valley, 5 mi. S of Sanger Lake at base of El Capitan 1409 Comment
  RSA238719  Dodecatheon jeffreyi Frederick W. Oettinger 1968-9-5 715 Siskiyou In wet humus 'muck' along shorline near inlet on SE side on Hancock Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. Comment
  CAS-BOT-BC33306  Downingia bacigalupii John H. Weiler; Andrew Phillips Nelson 1960-6-24 60205 Siskiyou Side of Dorris-Beswick road, 207 miles SW of the California-Oregon border. Comment
  UC1045262  Draba breweri W. Bridge Cooke 1940-7-26 15383 Siskiyou above Merriam's timberline; Mount Shasta, w side Shastina Comment
  CAS-BOT-BC41755  Draba howellii John Thomas Howell 1937-7-24 13417 Siskiyou Salmon-Trinity Alps. Caribou Basin. 2286 Comment
  HSC61208  Draba howellii Al Hobart 1967-8-9 Siskiyou El Capitan Comment
  CAS-BOT-BC41761  Draba howellii Gilbert Muth 1965-8-4 s.n. Siskiyou Marble Mountains. Comment
  CAS-BOT-BC210237  Draba pterosperma Dana York 2011-8-12 3038 Siskiyou Marble Mountain Wilderness. Klamath National Forest, Marble Mountain 2075 Comment
  CHSC29779  Drosera rotundifolia M. S. Taylor; W. Roderick, B. Williams 1980-6-4 2784 Siskiyou Bog around Cedar Lake. ... Field redacted by CHSC, contact the data manager for more information 1737 Comment
  HSC86529  Drymocallis glandulosa D. K. Imper Jun 1987 Siskiyou 8 mi. E of Somes Bar 1372 Comment
  HSC101398  Drymocallis glandulosa var. glandulosa J. P. Smith, J. O. Sawyer 2010-8-7 13055 Siskiyou Klamath National Forest. Road to Crater Lake off Forest Service Road 40N24. 1860 Comment
  JEPS47176  Drymocallis lactea var. austiniae W. L. Jepson 1937-7-30 18554 Siskiyou Poker Flat Siskiyou Mts., , Poker Flat (headwaters of Indian Creek) 1584 Comment
  UC1190237  Drymocallis lactea var. austiniae Ira L. Wiggins 1955-7-27 13525 Siskiyou Caribou Lake Salmon-Trinity Alps Primitive Area 2042 Comment
  HSC132  Drymocallis lactea var. lactea William J. Ferlatte 1966-7-7 198 Siskiyou Caribou Basin 1982 Comment
  HSC76652  Drymocallis lactea var. lactea K. T. Stillman 1976-7-23 299 Siskiyou Marble Mtn. Wilderness Area 2012 Comment
  HSC76877  Drymocallis lactea var. lactea K. T. Stillman 1976-8-8 400 Siskiyou Marble Mountain Wilderness Area. Trail to jump off to Paradise Lake. Comment
  UC154519  Drymocallis rhomboidea Harley P. Chandler June, 1901 1680 Siskiyou Marble Mountain North Coast Ranges, Marble Mountain 2438 Comment
  CHSC88377  Eleocharis macrostachya Jenny Marr 1993-7-1 183 Siskiyou Butte Valley Wildlife Area, +/- 7 air miles NW of the town of MacDoel. Meadow NW of Meiss Lake. 1349 Comment
  SEINET5718064 Image available Eleocharis montevidensis Philip E. Hyatt 2002-1 11140 Siskiyou Happy Camp community. Along Klamath River. Collected while departing work on the Stanza Fire (Happy Camp) as a Base Camp Manager. In memory of engine E-11 Lassen NF; John Self, Hether DePaulo, Steve Ousatd. Happy Camp Elementary School Grounds; wet area, sewer smell, downslope form main school building in mown lawn. 41 deg. 47" 37.5" 123 deg. 22" 24.3". [See postcard.]; Klamath River Comment
  CAS-BOT-BC112692  Eleocharis parishii David Daniels Keck 1949-7-19 s.n. Siskiyou 6.5 mi SW of Yreka on road to Ft. Jones nr head of Yreka Creek at first spring Serpentine outcropping 1127 Comment
  CAS-BOT-BC112697  Eleocharis parishii Martin Simon Jussel 1936-7-3 s.n. Siskiyou Dunsmuir. Comment
  HSC30714  Eleocharis quinqueflora Frederick W. Oettinger 1969-8-19 1453 Siskiyou Marble Mtn. Wilderness Area, due S of treeless area along ridge between David's Mtn. and Abbott's Lake Basin, on Old Tanner's Peak Trail 1905 Comment
  CAS-BOT-BC451554  Elodea canadensis Edward Lee 1934-8-12 1239 Siskiyou South side of the Klamath River near the mouth of Walker Creek (east end of Seiad Valley) 426 Comment
  CAS-BOT-BC221831  Elymus canadensis Alice Eastwood 1921-7-28 10949 Siskiyou Medicine Lake Comment
  HSC100300  Elymus caput-medusae J. P. Smith, & J. O. Sawyer 2011-6-25 13259 Siskiyou At the junction of Hwy. 3 and Callahan - Gazelle Road. 834 Comment
  SEINET4135472  Elymus elymoides subsp. brevifolius Jennifer J. Whipple 1976-7-8 1339 Siskiyou North slopes of Mount Eddy.; 0 2438 Comment
  JEPS57188  Elymus elymoides subsp. elymoides L. R. Heckard 1967-8-13 1686 Siskiyou Mt. Eddy; scree slopes near summit 2743 Comment
  UC1495300  Elymus elymoides subsp. elymoides Robert T. Clausen and Harold Trapido 1940-7-27 4971 Siskiyou w side of creek 5 mi nne summit of Mt. Shasta; So. Cascade Mts., Sacramento River Basin, Mountainhouse Cree 1981 Comment
  SD104847  Elymus elymoides var. brevifolius Darley Howe 1979-6-26 Siskiyou Military Pass Road, 3 miles Southeast of California Highway 97 Comment
  HSC22445  Elymus elymoides var. elymoides J. O. Sawyer 1969-7-7 1076 Siskiyou S facing ridge above Big Duck Lake 2226 Comment
  UC224203  Elymus glaucus E. Palmer 1892-1 2652 Siskiyou near Mt. Shasta Comment
  UC203918  Elymus trachycaulus Geo. D. Butler 1909-6-27 847 Siskiyou roadside near Yreka Comment
  UCD77628  Epilobium anagallidifolium Robert E. Preston 2001-7-21 1722 Siskiyou Klamath National Forest, north slope of Rainbow Mountain. 2066 Comment
  HSC19494  Epilobium ciliatum subsp. ciliatum J. O. Sawyer 1969-8-4 1906 Siskiyou Above S Sugar Lake 2043 Comment
  HSC69568  Epilobium ciliatum subsp. ciliatum Maralyn A. Renner 1980-8-6 2269 Siskiyou FS Rd. 40S07 crossing of Louse Creek 1127 Comment
  HSC99267  Epilobium ciliatum subsp. ciliatum J. O. Sawyer 1969-6-12 915 Siskiyou Along C.C.C. road just S of Sugar Creek 1463 Comment
  JEPS38211  Epilobium densiflorum Geo. D. Butler 1908-7-26 164 Siskiyou near Yreka; Butler's Ranch Comment
  HSC24698  Epilobium glaberrimum subsp. glaberrimum J. O. Sawyer 1969-7-26 1592 Siskiyou Along Sugar Creek 1707 Comment
  RSA264965  Epilobium hallianum G. L. Clifton 1975-7-28 s.n. Siskiyou Near Siskiyou Mountains near Seiad Valley. 1634 Comment
  POM258624  Epilobium hornemannii subsp. hornemannii W. Bridge Cooke 1940-7-5 15288 Siskiyou Mt. Shasta: in the meadow at Wagon Camp 1738 Comment
  HSC69291  Epilobium minutum Maralyn A. Renner 1980-7-24 1946 Siskiyou Pacific Crest Trail above Lily Pad Lake. 1799 Comment
  UC164470  Epilobium minutum Geo. D. Butler 1910-4-18 1195 Siskiyou near Yreka Comment
  POM171633  Epilobium minutum Doris K. Kildale 1929-7-20 8690 Siskiyou Raspberry Lake, upper Indian Creek 1829 Comment
  JEPS109563  Epilobium oregonense Dean W. Taylor 2002-7-21 18272 Siskiyou The Eddys, cirque at headwaters of Parks Creek above Caldwell Lakes 2316 Comment
  MACF015280  Equisetum arvense Donald Myrick 1966-8-12 1539 Siskiyou Mountain Meadow Ranch, Big Flat, Trinity Alps 1523 Comment
  UC42526  Equisetum arvense Marshall A. Howe 1894-8-8 Siskiyou Shasta Springs Comment
  JEPS68261  Equisetum laevigatum L. R. Heckard 1972-5-31 2934 Siskiyou se Montague (along road at Shasta River R.R. Bridge) 822 Comment
  HSC46758  Equisetum laevigatum William J. Ferlatte 1969-6-25 1179 Siskiyou Big Flat, near campground 1524 Comment
  UC371151  Equisetum telmateia subsp. braunii G. D. Butler 1909-4-11 881 Siskiyou Shasta Springs Comment
  RSA105403  Eremocarpus setiger G. D. Barbe 1955-7-1 068 Siskiyou 0.5 miles east of Etna near b urned lumber mill. 854 Comment
  CAS-BOT-BC174221  Eremogone congesta var. congesta Thomas W. Nelson; Jane P. Nelson 1980-7-17 6084 Siskiyou Along Forest Service road 17 1 mile north of summit at county line 2072 Comment
  CAS-BOT-BC174229  Eremogone congesta var. congesta L. R. Short 1933-8-6 10 Siskiyou Klamath National Forest. Marble Valley 1792 Comment
  SEINET3894740  Eriastrum signatum David Gowen 2007-7-11 776 Siskiyou South of the town of Lake Shastina. Along dirt road to dump/dirt storage area off of Big Springs Rd., and just north of Jackson Ranch Rd.; 0 Comment
  HSC79096  Ericameria bloomeri Paul Wilson 1984-8-30 361 Siskiyou Juanita Lake Reservoir 1555 Comment
  RSA78947  Ericameria bloomeri E. K. Balls, Percy C. Everett 1952-10-12 18174 Siskiyou S boundary of Lava Beds National Monument on road to Tennant from Indian Well Ranger Station 1372 Comment
  CAS-BOT-BC287488  Ericameria greenei Alice Eastwood 1912-8-30 2040 a Siskiyou Mt Eddy Comment
  HSC5325  Ericameria nauseosa D. M. Thomson 1965-7-31 160 Siskiyou Lava Beds National Monument, 1 mi. S of dump on telephone line road Comment
  CAS-BOT-BC298252  Ericameria nauseosa var. oreophila Alice Eastwood 1922-10-23 11557 Siskiyou Yreka Comment
  UC87229  Ericameria nauseosa var. oreophila K. Brandegee 1887-7-1 Siskiyou Gazelle Comment
  CAS-BOT-BC294302  Ericameria nauseosa var. speciosa Doris K. Kildale 1928-7-4 5499 Siskiyou Summit of divide between Salmon River and Scott Valley Comment
  CAS-BOT-BC294307  Ericameria nauseosa var. speciosa Alice Eastwood 1917-9-2 6661 Siskiyou Shasta Springs Comment
  RSA790000  Ericameria nauseosa var. speciosa Rebecca Wenk 2008-8-31 989 Siskiyou South Fork of Salmon River, Yellow Rose Mine above Big Flat Meadow. 1982 Comment
  CAS-BOT-BC294309  Ericameria nauseosa var. speciosa W. R. Dudley 1901-8-25 s.n. Siskiyou Top of divide, Salmon to Scotts Creek, Salmon Mts. Comment
  CAS-BOT-BC294402  Ericameria parryi var. latior Alice Eastwood 1912-8-30 2079 Siskiyou Mount Eddy Comment
  UC165281  Erigeron aliceae Geo. D. Butler 1908-8-8 290 Siskiyou near head of Molly Creek Comment
  RSA184709  Erigeron aliceae Gilbert Muth 1966-7-24 446 Siskiyou Marble Valley Meadow, Marble Mts. 1793 Comment
  SEINET8079401 Image available Erigeron aliceae G. D. Butler 1910-7-8 1657 Siskiyou Shackleford Crrek 1372 Comment
  UC609333  Erigeron bloomeri var. bloomeri Eleanor Burks Hart 1938-8-18 932 Siskiyou Boulder Peak 2529 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-BC297110  Erigeron compositus A. A. Heller 1920-7-9 13423 Siskiyou Mt. Eddy 2438 Comment
  HSC5560  Erigeron elegantulus R. C. Wunner 1965-7-9 375 Siskiyou Lava Beds National Monument Upper Ice Cave 1555 Comment
  CAS-BOT-BC300476  Erigeron filifolius Alice Eastwood 1912-7-19 1223 Siskiyou Mount Shasta Comment
  HSC5518  Erigeron filifolius R. C. Wunner 1965-6-20 230 Siskiyou Lava Beds National Monument near Thunderbolt Cave entrance 1463 Comment
  UCR45438  Erigeron foliosus var. confinis D. H. Norris 1970-5-23 12238 Siskiyou Along Klamath River at Ishi Pishi [Rd.] Bridge near Somes Bar 145 Comment
  HSC29237  Erigeron glacialis var. glacialis Frederick W. Oettinger, R. F. Thorne 1969-8-4 1174 Siskiyou Marble Mtn. Wilderness Area, English Peak area, N of Tobacco Lake 1890 Comment
  CAS-BOT-BC295395  Erigeron inornatus Dr. E. B. Copeland 1903-7-3 3531 Siskiyou Klamathon Comment
  SBBG25833  Erigeron inornatus D. Myrick 1966-8-13 1555 Siskiyou Mountain Meadow Ranch, Big Flat 1524 Comment
  RSA238782  Erigeron inornatus var. inornatus Frederick W. Oettinger 1969-8-12 1348 Siskiyou Along the trail above 'Willow Springs' (between Abbotts Upper Cabin and English Lake); High lake basins in the vicinity of English Peak, Marble Mountain Wilderness Area. Salmon Mountains 1677 Comment
  JEPS101307  Erigeron klamathensis Dean W. Taylor 1999-8-12 17319 Siskiyou Mill Creek headwaters, Marble Mountains (ca. 4 miles W of Mugginsville, Quartz Valley) 1889 Comment
  RSA238711  Erigeron peregrinus subsp. callianthemus Frederick W. Oettinger 1968-8-23 609 Siskiyou Between the rocky ridges on 'Shasta Ridge' due SE of Diamond Lake 2043 Comment
  RSA238717  Erigeron peregrinus subsp. callianthemus Frederick W. Oettinger 1969-9-2 1597 Siskiyou NNE side of English Peak 2165 Comment
  CAS-BOT-BC295811  Erigeron petrophilus var. viscidulus A. A. Heller 1914-8-28 11737 Siskiyou East side of Mt. Eddy 2499 Comment
  HSC92789  Erigeron petrophilus var. viscidulus Jennifer Whipple 1976-7-13 1462 Siskiyou E and S facing slopes draining into the N Fork of the Sacramento River 2256 Comment
  JEPS105684  Erigeron petrophilus var. viscidulus L. P. Janeway 2003-8-9 7963 Siskiyou Klamath Ranges; Siskiyou Mountains betweeen Cook and Green Pass and Red Butte; slope overlooking uppermost fork of Seiad Creek; along 4-wheel-drive road 1698 Comment
  RSA696015  Erigeron petrophilus var. viscidulus Barbara Ertter 1990-7-14 9328 Siskiyou Wagon Creek on E side of Mt. Eddy, ca 4 airmiles W of Mt. Shasta City. 1951 Comment
  CAS-BOT-BC295806  Erigeron petrophilus var. viscidulus W. R. Dudley 1901-8-22 s.n. Siskiyou East slope of Foxtail Ridge. Salmon Mts. Comment
  JEPS41375  Erigeron philadelphicus var. philadelphicus Willis L. Jepson Jul 24 1894-Aug 10 1894 Siskiyou Sisson Region of the Upper Sacramento, Sisson Comment
  HSC44726  Eriogonum compositum J. O. Sawyer, E. Cope 1977-6-18 2903 Siskiyou Along Clear Creek trail below Ten Mile Creek 457 Comment
  CAS-BOT-BC250066  Eriogonum compositum var. compositum John Thomas Howell 1939-8-2 14869 Siskiyou Spirit Lake, Marble Mts. 1828 Comment
  HSC68421  Eriogonum compositum var. compositum Maralyn A. Renner 1980-6-10 862 Siskiyou Ridge 1 mi. S of Greenhorn Rd. and 1 mi. E of Mill Creek 1341 Comment
  SEINET11937883  Eriogonum congdonii Unknown 1953-1 124 Siskiyou Blue Point, Scott Mt. Public Campground, Klamath Nat'l Forest 1631 Comment
  HSC19516  Eriogonum diclinum J. O. Sawyer 1969-7-19 1425 Siskiyou SW facing slope above Deacon Lee Trail 2180 Comment
  RSA237982  Eriogonum diclinum Frederick W. Oettinger 1969-9-4 1643 Siskiyou Little Medicine Mountain, north of Tobacco Lake. Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1921 Comment
  POM253985  Eriogonum douglasii var. douglasii C. L. Hitchcock, J. S. Martin 1939-7-8 5304 Siskiyou North side of Black Mt 2073 Comment
  CAS-BOT-BC255705  Eriogonum douglasii var. meridionale L. R. Short 1933-6-9 128 Siskiyou 1/4 mi. from Klamath River 853 Comment
  JEPS25874  Eriogonum hirtellum Rimo Bacigalupi with L. Constance and L. Heckard 1960-7-20 7458 Siskiyou ridge-top between Indian Creek drainage (N. Fk. Twin Valley Creek) and Illinois River drainage (Dunn Creek) (boundary line of Del Norte and Siskiyou Counties); Preston Pk. quadr. 15 1956; between Indian Creek drainage & Illinois River drainage, boundary line of Del Norte & Siskiyou Cos. 1615 Comment
  UC77583  Eriogonum hirtiflorum T. S. Brandegee July 1887 Siskiyou Edgewood Comment
  HSC42988  Eriogonum marifolium J. P. Smith, Steve Selva 1970-8-8 4560 Siskiyou Comment
  RSA34058  Eriogonum marifolium A. A. Heller 1920-8-12 13522 Siskiyou Spring above Horse Camp Comment
  UC849522  Eriogonum marifolium John Thomas Howell 1937-7-26 13517 Siskiyou Caribou Basin Salmon-Trinity Alps, Caribou Basin 1981 Comment
  CHSC63610  Eriogonum marifolium var. cupulatum Vernon H. Oswald; Lowell Ahart 1994-8-10 6456 Siskiyou FS 41N01Y at Elk Flat, ca. 1 mi N of Pilgrim Creek Rd. (FS13), ca. 11 mi (air) NE of McCloud. In a meadow. 1243 Comment
  CAS-BOT-BC263195  Eriogonum marifolium var. cupulatum R. H. Bohmannson 1926-7-1 s.n. Siskiyou Mt. Shasta Comment
  UC375312  Eriogonum nudum var. oblongifolium Geo. D. Butler 1908-7-28 212 Siskiyou near Yreka Comment
  RSA601442  Eriogonum nudum var. oblongifolium Louis C. Wheeler 1935-6-29 3624 Siskiyou Yreka. 808 Comment
  UC77613  Eriogonum nudum var. pubiflorum M. K. Curran July 1887 Siskiyou Ager Comment
  LA206891  Eriogonum nudum var. pubiflorum A. A. Heller; 1927-8-2 14443 Siskiyou Gravelly plains about 3 mi. S of Yreka; Transition Zone Comment
  POM253225  Eriogonum ovalifolium var. ovalifolium A. A. Heller 1938-7-13 15272 Siskiyou Border of meadows just south of Bray. 1402 Comment
  HSC24900  Eriogonum pyrolifolium Richard Spjut 1970-7-24 871 Siskiyou Near the ski lodge on Mt. Shasta 3293 Comment
  CAS-BOT-BC252961  Eriogonum pyrolifolium var. pyrolifolium Peter Kamb 1949-8-25 1490 Siskiyou Southwest slope of Mt. Shasta above Horse Camp 2895 Comment
  POM165277  Eriogonum pyrolifolium var. pyrolifolium C. F. Baker 1903-8-16 3807 Siskiyou Mount Shasta 3049 Comment
  CAS-BOT-BC267711  Eriogonum roseum W. R. Dudley 1899-8-22 s.n. Siskiyou Above Callahan's Comment
  CAS-BOT-BC267706  Eriogonum roseum Louis C. Wheeler 1934-9-19 3282 Siskiyou Oak Knoll Ranger Station, Klamath River, Siskiyou Mts. 670 Comment
  JEPS128833  Eriogonum siskiyouense Julie Kierstead Nelson with Rhonda Posey 2017-7-18 2017 -045 Siskiyou Eastern Klamath Ranges; Forest Service Road 41N14 Y, 0.1 mile west of Parks Creek Road (County Road 17). Comment
  UC1037412  Eriogonum siskiyouense Douglas Barbe 1955-7-28 316 Siskiyou nw Scott Mountain; Klamath Mountains 1737 Comment
  RSA98052  Eriogonum spergulinum var. reddingianum W. Bridge Cooke 1954-7-5 s.n. Siskiyou Military Pass road. Mt. Shasta. 1829 Comment
  POM105392  Eriogonum sphaerocephalum Geo. D. Butler 1910-5-27 1417 Siskiyou Dry hill Yreka. Comment
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Jan 23 2011
  CAS-BOT-BC262757  Eriogonum strictum var. anserinum Dorothy Parker 1948-7-25 153 Siskiyou Schoolhouse Hill, Plowman's Valley 1153 Comment
  CAS-BOT-BC262759  Eriogonum strictum var. anserinum Louis C. Wheeler 1935-6-29 3625 Siskiyou Yreka 807 Comment
  HSC17431  Eriogonum strictum var. greenei W. L. Jepson 1940-6-23 19980 Siskiyou Yreka 823 Comment
  CAS-BOT-BC263395  Eriogonum strictum var. proliferum Milo S. Baker 1955-6-28 012 Siskiyou 0.3 mile north of Callahan 1005 Comment
  HSC69044  Eriogonum ternatum Maralyn A. Renner 1980-8-7 2347 Siskiyou Klamath National Forest, ridge just E of saddle, S of Rattlesnake Meadow 1799 Comment
  HSC69549  Eriogonum ternatum Maralyn A. Renner 1980-8-4 2233 Siskiyou Ridge near FS 15N01 about 1 mi. N of Flint Valley 1494 Comment
  CAS-BOT-BC267946  Eriogonum umbellatum L. P. Janeway 1984-6-22 878 Siskiyou Ca 1 mi north of Scott Summit on Road 40N08 1645 Comment
  CAS-BOT-BC267953  Eriogonum umbellatum Isabelle C. Kimber 1934-6-9 25 Siskiyou Steelbridge Camp, Sacramento River just above confluence with Ney Creek 731 Comment
  NY323619  Eriogonum umbellatum var. argus J. L. Reveal 1975-8-15 3955 Siskiyou Siskiyou Mountains, Klamath National Forest, along the Dry lake Lookout Road (Forest Service Road 40S01), 0.5 mile west of Dry Lake Lookout near the Buckthorn Trail 2042.2 Comment
  UC163833  Eriogonum umbellatum var. argus Geo. D. Butler 1908-8-6 205 Siskiyou Independence Creek Comment
  RSA420577  Eriogonum umbellatum var. argus Louis C. Wheeler 1934-9-1 3234 Siskiyou Siskiyou Mountains, Jaynes Canyon. 1951 Comment
  RSA60649  Eriogonum umbellatum var. humistratum Dorothy Parker 1948-8-16 s.n. Siskiyou Near summit of Salmon Mountain. 1814 Comment
  HSC17369  Eriogonum umbellatum var. modocense D. M. Thomson 1965-6-19 87 Siskiyou Lava Beds National Monument, Captain Jacks Stronghold Comment
  UC725673  Eriogonum umbellatum var. modocense A. A. Heller 1916-7-20 12469 Siskiyou near Wagon Creek falls (e side of Mt. Eddy); Mt. Eddy 1524 Comment
  HSC17354  Eriogonum umbellatum var. modocense R. C. Wunner 1965-6-15 187 Siskiyou Lava Beds National Monument, in crater of Caldwell Butte on the NW side 1509 Comment
  LA86521  Eriogonum umbellatum var. nevadense J. M. Tucker; L. K. Mann 1963-8-18 3761 Siskiyou Marble Mountain Wilderness Area, On top of saddle, between Marble and SW ridge of Black Mountain 2103 Comment
  HSC71083  Eriogonum umbellatum var. polyanthum M. A. Baker 1980-6-20 2207 Siskiyou Near Bald Mtn. 1036 Comment
  POM165271  Eriogonum umbellatum var. polyanthum E. B. Copeland 1903-7-6 3496 Siskiyou Hornbrook. Comment
  RSA766152  Eriogonum umbellatum var. polyanthum J. T. Howell 1939-8-2 14887 Siskiyou Spirit Lake, Marble Mts. Comment
  LA207056  Eriogonum umbellatum var. polyanthum 1939-8-10 13854 Siskiyou MOUNT SHASTA, Mud Creek Canyon. 1828 Comment
  HSC17386  Eriogonum vimineum R. C. Wunner 1965-6-29 294 Siskiyou Lava Beds N. M., 0.25 mi. NW of Lower Caldwell Ice Cave 1433 Comment
  RSA254926  Eriogonum vimineum James L. Reveal, Caroline G. Reveal 1974-8-17 3796 Siskiyou Along California Highway 3, 4.5 mi. east of Callahan and 2.5 southeast of the junction with the county road to Gazeele 1372 Comment
  RSA238941  Eriophorum crinigerum Frederick W. Oettinger 1968-9-7 754 Siskiyou Local on shistose rock of the Hancock Lake outlet falls surrounded by running water. Open site on NE end of Lake. Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1936 Comment
  RSA760960  Eriophorum crinigerum Robert F. Thorne, Frederick W. Oettinger 1969-8-4 63386 Siskiyou Klamath National Forest, Salmon Mountains, Marble Mountain Wilderness Area, high lake basins in the vicinity of English Peak 1890 Comment
  CAS-BOT-BC301121  Eriophyllum lanatum var. achilleoides John Thomas Howell 1937-7-29 13650 Siskiyou Scott Mt. between Trinity and Siskiyou cos. Comment
  CAS-BOT-BC301129  Eriophyllum lanatum var. achilleoides Lewis S. Rose 1945-6-18 45123 Siskiyou Horse Creek & Klamath River 502 Comment
  SEINET10758249  Eriophyllum lanatum var. achilleoides Andrew Townesmith, Karen M. Meyer 2007-8-1 Townesmith 880 Siskiyou Shasta-Trinity National Forest. 11.7 miles up Stewart Springs road/Forest Service road 17 (distance from intersection of Stewart Springs and Old 99 Highway). T41N R6W near sections 28 and 33. 1983 Comment
  UC163896  Eriophyllum lanatum var. achilleoides Geo. D. Butler 1908-4-30 688 Siskiyou dry hills near Yreka Comment
  UC472272  Eriophyllum lanatum var. achilleoides H. W. Furlong Sep 1901 Siskiyou summit to Ager; Northern Siskiyou Co Comment
  UC507117  Eriophyllum lanatum var. achilleoides Lincoln Constance 1933-6-21 E 85 Siskiyou 9 m n Weed Comment
  UC896368  Eriophyllum lanatum var. achilleoides A. A. Heller 1916-7-22 12488 Siskiyou slope e side Mt. Eddy Comment
  CAS-BOT-BC301099  Eriophyllum lanatum var. achilleoides L. E. Smith 1913-5-12 262 Siskiyou Edgewood Comment
  UC507182  Eriophyllum lanatum var. grandiflorum Lincoln Constance 1928-6-1 Siskiyou s of Weed Comment
  CAS-BOT-BC301710  Eriophyllum lanatum var. lanceolatum Geo. D. Butler 1910-5-23 1394 Siskiyou Humbug Mountain 1219 Comment
  HSC68984  Eriophyllum lanatum var. lanceolatum Maralyn A. Renner 1980-7-24 2002 Siskiyou Lily Pad Lake 1768 Comment
  HSC74872  Eriophyllum lanatum var. lanceolatum J. P. Smith, Jennifer Whipple 1978-7-2 9972 Siskiyou Klamath National Forest, ridge trail E of Cook and Green Pass 1341 Comment
  HSC94091  Eriophyllum lanatum var. lanceolatum G. Fred Hrusa 1998-7-5 14684 Siskiyou S side of Pass on Happy Camp-O'Brien Rd., CA side of state boundary, above Indian Creek Camp 750 Comment
  RSA166005  Eriophyllum lanatum var. lanceolatum Donald Myrick 1961-6-20 274 Siskiyou Near Mt. Shasta City 1067 Comment
  RSA50226  Eriophyllum lanatum var. lanceolatum E. K. Balls 1949-7-9 13933 Siskiyou 8.3 miles from Etna on road to Sawyer's Bar. 1006 Comment
  SBBG8170  Eriophyllum lanatum var. lanceolatum H. and M. Dearing 1939-6-3 3534 Siskiyou near Scott Bar Comment
  UC718155  Eriophyllum lanatum var. lanceolatum Carl B. Wolf 1934-7-4 5943 Siskiyou 13.5 mi from Horse Creek Bridge (Dry Lake Lookout); Siskiyou Mountains, Klamath River, Horse Creek, Dry Lake 1524 Comment
  SDSU4103  Eriophyllum lanatum var. lanceolatum D. F. Howe 1962-8-5 3396 Siskiyou 15.2 miles east of Happy Camp on #96. 549 Comment
  UCD77688  Eryngium alismifolium Robert E. Preston 2000-8-16 1433 Siskiyou Dry Lake, ca. 2.15 mi sw of Toad Mountain. 1423 Comment
  CAS-BOT-BC54585  Erysimum capitatum R. E. Frenkel 1965-6-14 942 Siskiyou On Everitt Memorial Highway, 2.7 miles north of McCloud River RR crossing near Mount Shasta. 1508 Comment
  RSA59507  Erysimum capitatum E. K. Balls 1950-5-16 14707 Siskiyou About Caldwell Caves, Lava Beds Nat l Monument. 1555 Comment
  UCD115071  Erysimum perenne J. M. Tucker 1963-7-7 3717 Siskiyou in vicinity of Paradise Lake, at base of Kings Castle on the east side, Marble Mountain Wilderness Area. 1981 Comment
  CHSC33275  Erysimum repandum R. E. Preston 1981-5-2 61 Siskiyou On a roadside cut, ca. 50 m n of Camp Creek where it joins Irongate Reservoir, ca. 32 km ne of Yreka. 700 Comment
  SEINET13694516 Image available Erythranthe alsinoides Sandra Holloway 1963-1 35 Siskiyou Indian campground, Clement's Ranch, ca. 4 miles northwest of Montague. 762 Comment
  SDSU10772  Erythranthe guttata D. F. Howe 1972-7-5 4872 Siskiyou 0.6 mile from Oregon State line on road to Happy Camp. 1707 Comment
  CAS-BOT-BC133262  Erythronium J. H. Thomas 1954-5-13 4139 Siskiyou Salmon Mountains, Klamath National Forest. Near South Fork of Salmon River, 5 to 9 miles southeast of Cecilville; Vicinity of Blind Horse Creek 1066 Comment
  CAS-BOT-BC133269  Erythronium citrinum Geo. D. Butler 1909-4-24 661 Siskiyou Quartz Valley Comment
  CAS-BOT-BC133271  Erythronium citrinum Elmer I. Applegate 1932-4-16 7061 Siskiyou Klamath River opposite the mouth of Doggett Creek Comment
  UC164327  Erythronium citrinum Geo. D. Butler 1909-4-24 661 Siskiyou Quartz Valley Comment
  HSC58943  Erythronium grandiflorum subsp. grandiflorum Marvin Butler 1971-7-6 28 Siskiyou Near El Capitan 1524 Comment
  HSC19558  Erythronium grandiflorum subsp. grandiflorum J. O. Sawyer 1969-7-18 1424 Siskiyou E of Russian Lake 2043 Comment
  SEINET3160625  Eschscholzia californica G. D. Butler 1910-5-7 1301 Siskiyou Yreka Comment
  UC54478  Eschscholzia californica H. M. Hall and E. B. Babcock June, 1903 4082 Siskiyou Shasta Valley Sierra Nevada Mountains, Mount Shasta 1158 Comment
  RSA445608  Eschscholzia californica subsp. californica J. P. Smith 1973-5-5 6541 Siskiyou Scott Bar along the Scott River. Comment
  CAS-BOT-BC310460  Eucephalus ledophyllus var. ledophyllus J. P. Smith; J. O. Sawyer 1973-8-14 7318 Siskiyou Hillside west of Cliff Lake 1981 Comment
  HSC22123  Eucephalus ledophyllus var. ledophyllus J. O. Sawyer 1969-8-1 1637 Siskiyou SE facing slope above Duck Lake Creek 1951 Comment
  CDA35318  Euphorbia crenulata W. Martin & R. Taylor 1975-8-15 s.n. Siskiyou West of Greenview on Mill Creek. 0 Comment
  CAS-BOT-BC310634  Eurybia radulina Alice Eastwood 1912-7-21 1281 Siskiyou Sisson Comment
  CAS-BOT-BC413903  Fallopia convolvulus Henry M. Pollard 1947-8-20 s.n. Siskiyou Spink's Ranch, Roger's Creek, nr. Somes Bar Comment
  HSC25453  Festuca idahoensis J. P. Smith, J. O. Sawyer, Maralyn O'Meara 1972-7-3 5650 Siskiyou Ridge E of Cook and Green Pass 1524 Comment
  HSC92559  Festuca idahoensis Jennifer Whipple 1977-8-4 2154 Siskiyou Wagon Creek drainage on the E face of Mt. Eddy 2439 Comment
  HSC92564  Festuca idahoensis Jennifer Whipple 1977-7-20 1978 Siskiyou South face of Mt. Eddy. 2470 Comment
  RSA121317  Festuca idahoensis H. A. Jensen 1933-9-30 357 Siskiyou Signal Butte. 1341 Comment
  CDA28213  Festuca idahoensis Vernon H. Oswald & Lowell Ahart 1998-6-11 9193 Siskiyou Shasta National Forest plantation on the west side of Hwy. 97 2.2 miles northeast of Lake Shastina-Big Springs Rd., northeast of Weed. Comment
  SJSU11322  Festuca occidentalis S. H. Casey 1981-7-4 1214 Siskiyou Seiad Creek Road 1mi below summit of Vook & Green Pass c. 8 mi N of Seiad Valley 1219 Comment
  UC1190231  Festuca occidentalis Ira L. Wiggins 1955-7-24 13498 Siskiyou ridge between upper reaches of China Creek and Blind Horse Creek Comment
  UC593534  Festuca roemeri E. B. Babcock, G. L. Stebbins Jr. 1936-6-13 2008 Siskiyou about 1.5 mi w Mt. Shasta City (above Sulloway Creek, e and ne slope of spur of Rainbow Ridge); Rainbow Ridge 1188 Comment
  CAS-BOT-BC453507  Fragaria Harley P. Chandler 1901-6-1 1569 Siskiyou Ridges and meadows near Marble Mountain; North Coast Ranges 1828 Comment
  CAS-BOT-BC453509  Fragaria Elmer I. Applegate 1923-8-20 3911 Siskiyou Medicine Lake Comment
  RSA211179  Fragaria californica William J. Ferlatte 1966-6-22 110 Siskiyou Wooded area 3 miles S of Big Flat. 1585 Comment
  HSC69499  Fragaria vesca John Palmer 1980-8-13 763 Siskiyou Klamath National Forest, Dead Cow Creek near F.S. Rd. 47N44 from Beaver Creek Rd. 1616 Comment
  CHSC29777  Fragaria virginiana M. S. Taylor; W. Roderick, B. Williams 1980-6-4 2783 Siskiyou Bog around Cedar Lake, at lake edge. 1737 Comment
  CAS-BOT-BC53261  Frangula californica subsp. californica A. A. Heller 1915-8-26 12245 Siskiyou Wagon creek at the foot of Mt. Eddy 1127 Comment
  CAS-BOT-BC53412  Frangula californica subsp. occidentalis Copeland 1903-9-6 3863 Siskiyou Mt. Eddy Comment
  CAS-BOT-BC59979  Frangula purshiana Louis C. Wheeler 1934-7-17 2915 Siskiyou Cottonwood Creek. Siskiyou Mts. 944 Comment
  CAS-BOT-BC60014  Frangula purshiana H. A. Thomas; J. H. Thomas 1954-7-22 4452 Siskiyou Salmon - Trinity Mts. about 6 mi. se. of Cecilville. Between Rush and Big Bend Creeks, 0.25-0.5 mi. n. of S. Fork of 975 Comment
  UCD35441  Frangula purshiana Beecher Crampton 1956-8-21 3852 Siskiyou 3.5 miles southwest of Mt. Shasta City, slopes above the Sacramento River. 1005 Comment
  CAS-BOT-BC59987  Frangula purshiana W. R. Dudley 1899-7-6 s.n. Siskiyou Big Meadow Trail. Comment
  CHSC71323  Frangula rubra Vernon H. Oswald; Lowell Ahart 1998-6-11 9188 Siskiyou Shasta NF plantation on the west side of Hwy. 97 2.2 mi northeast of Lake Shastina-Big Springs Rd, northeast of Weed. 1066 Comment
  CAS-BOT-BC59551  Frangula rubra subsp. rubra Doris K. Kildale; J. W. Gillespie 1929-6-22 8032 Siskiyou Base of Black Butte, Mt. Shasta Comment
  RSA78678  Frasera albicaulis var. nitida P. A. Munz 1952-7-2 17871 Siskiyou Road to Baldy Mountain, northwest of Happy Camp, Siskiyou Mountains. 1494 Comment
  UC618661  Fritillaria atropurpurea W. Bridge Cooke 1938-7-1 11155 Siskiyou below Wagon Camp; Mount Shasta 1706 Comment
  RSA237917  Fritillaria atropurpurea Frederick W. Oettinger 1968-8-2 369 Siskiyou Minor peak north of Diamond Lake. The Salmon Mountains. The High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area 2098 Comment
  RSA237919  Fritillaria atropurpurea Frederick W. Oettinger 1968-8-18 582 Siskiyou North end of Hancock Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area 1921 Comment
  CAS-BOT-BC506208  Fritillaria pudica Ellsworth Bethel 1923-4-21 s.n. Siskiyou Fall River Mills Comment
  POM273477  Fritillaria pudica Lyman Benson 1929-3-26 1072 Siskiyou Yreka Comment
  UC1001152  Fritillaria pudica Dorothy Parker 1949-4-4 212 Siskiyou Siskiyou Mountains, e side of Scott Valley, near Hartsval Gulch Scott Valley; Siskiyou Mountains, Scott Valley 859 Comment
  SEINET3886831  Fritillaria recurva James F. Smith 1973-5-5 6471 Siskiyou Along Cook and Green Pass road.; 0 Comment
  HSC30288  Galium aparine William J. Ferlatte 1969-6-25 1185 Siskiyou Big Flat 1524 Comment
  UC139302  Galium bolanderi Dr. E. B. Copeland 1903-8-14 3779 Siskiyou Sisson Comment
  UC888785  Galium bolanderi A. A. Heller 1915-8-26 12249 Siskiyou foot of mt. Mt. Eddy, Wagon Creek 1127 Comment
  UCR64602  Galium bolanderi L. C. Wheeler 1934-8-30 3228 Siskiyou Siskiyou Mountains: Trapper Creek 1585 Comment
  HSC35803  Galium bolanderi J. O. Sawyer 1969-6-11 814 Siskiyou Near C.C.C. road above Paynes Lake Creek 1357 Comment
  UC722297  Galium bolanderi C. L. Hitchcock and J. S. Martin 1939-7-7 5298 Siskiyou ca 15 mi n Happy Camp (on Happy Camp-Takilma Hwy) 914 Comment
  UCR47924  Galium californicum D. L. Koutnik, Martha Townsend 1979-9-10 s.n. Siskiyou SW of Etna, near Etna Bridge 1067 Comment
  JEPS27424  Galium glabrescens Lauramay T. Dempster and Clare Hardham 1961-7-1 1820 Siskiyou just s Oregon border (e slope just below peak); White Mountain Comment
  HSC104308  Galium glabrescens subsp. glabrescens Dana York 2012-7-21 3144 Siskiyou Rogue River-Siskiyou National Forests; Siskiyou Mountains, Red Buttes Wilderness, a few meters below summit of Red Butte 2043 Comment
  HSC90595  Galium glabrescens subsp. glabrescens Jennifer Whipple 1976-6-19 1062 Siskiyou Mt. Eddy, near Dobkins Lake 2073 Comment
  JEPS52759  Galium porrigens var. porrigens G. Ledyard Stebbins 6136 Siskiyou 2 mi w Cecilville (on road to Forks of Salmon) Comment
  UC1334978  Galium serpenticum subsp. scotticum Lauramay T. Dempster and Clare Hardham 1961-7-3 1877 Siskiyou about 2 mi below (i.e. e of) summit (on road sw of Callahan) 1828 Comment
  HSC61157  Galium triflorum Al Hobart 1967-8-8 Siskiyou El Capitan Comment
  UC1258469  Galium triflorum John Palmer 1980-8-12 686 Siskiyou se Wards Gap; Klamath National Forest, Condry Mtn. Quad 1188 Comment
  HSC69736  Garrya fremontii Maralyn A. Renner 1980-6-26 1281 Siskiyou Klamath National Forest, ridge along FS Rd. 15N01, 1 mi. N of Flint Valley. 1494 Comment
  UC876008  Garrya fremontii unknown 1941-9-16 16319 Siskiyou along Castle Lake Road 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
  RSA392397  Garrya fremontii Bonnie C. Templeton 1957-6-21 s.n. Siskiyou About ten miles north of Callahan. Comment
  JEPS66603  Gaultheria ovatifolia J. G. Lemmon 1879-1 Siskiyou Sisson Comment
  UC1409445  Gaultheria ovatifolia Frederick W. Oettinger 1968-8-5 414 Siskiyou High Lake Basins in vicinity of English Peak (at w end of Charmaine Lake, Marble Mountain Wilderness Area, western Siskiyou County); Salmon Mountains, Marble Mountain Wilderness Area, Charmaine 1920 Comment
  RSA785409  Gaultheria shallon Leo Miller 1938-07 s.n. Siskiyou Siskiyou Mountains. Comment
  JEPS40900  Gayophytum diffusum subsp. parviflorum Paul C. Hutchison 1962-8-3 946 Siskiyou just e Paint Pot Crater (between Grasshopper Flat and Little Medicine Lake) 1783 Comment
  HSC16399  Gayophytum diffusum subsp. parviflorum R. C. Wunner 1965-8-21 412 Siskiyou Lava Beds N.M., N boundary area near Hovey Pt. 1220 Comment
  HSC185  Gayophytum diffusum subsp. parviflorum William J. Ferlatte 1966-8-18 413 Siskiyou 3 mi. S of Big Flat 1585 Comment
  POM313456  Gayophytum diffusum subsp. parviflorum Paul C. Hutchison 1962-8-3 946 Siskiyou Just east of Paint Pot Crater between Grasshopper Flat and Little Medicine Lake 1784 Comment
  RSA237863  Gayophytum diffusum subsp. parviflorum Frederick W. Oettinger 1968-8-7 434 Siskiyou East side of Hancock Lake. The Salmon Mountains, the high lake basins in the vicinity of English Peak, Marble Mountains Wilderness Area 1890 Comment
  UC1409236  Gayophytum diffusum subsp. parviflorum Frederick W. Oettinger 1969-8-12 1351 Siskiyou on English Lake Trail above Willow Spring (w Siskiyou Co., high lake basins in vicinity of English Peak); Salmon Mountains, Marble Mountain Wilderness Area 1676 Comment
  POM258616  Gayophytum heterozygum W. Bridge Cooke 1940-7-12 15343 Siskiyou Mount Shasta: Along the Sisson Southern Trail near MacBride Springs. 1524 Comment
  JEPS57165  Gentiana calycosa L. R. Heckard 1967-8-12 1656 A Siskiyou ca 10 mi from U. S. Highway 99 (n of Weed, along logging road heading s of Stewart Springs) 1950 Comment
  RSA392178  Gentiana calycosa M. B. Dunkle 1944-8-2 9304 Siskiyou Marble Mountains, Klamath National Forest. 2439 Comment
  CAS-BOT-BC217412  Gentiana plurisetosa Geo. D. Butler 1910-7-9 1709 Siskiyou Shackleford Creek 1219 Comment
  RSA238868  Gentiana plurisetosa Frederick W. Oettinger 1969-8-8 1302 Siskiyou Sundew Bog due E of English Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1829 Comment
  LA205553  Gentiana setigera C. C. Harris; S. K. Harris 1939-8-29 976 Siskiyou Half Moon Meadow, Marble Mountain Primitive Area 1670.0 Comment
  SEINET6744749 Image available Gentiana setigera C. C. Harris, S. K. Harris 1939-8-29 976 Siskiyou Half Moon Meadow, Marble Mountian Primitive Area, Calfornia Comment
  RSA151827  Gentianella amarella H. K. Sharsmith, Francia Chisaki 1959-8-19 4730 Siskiyou Just west of summit of Scott Mountain grade, just beyond Trinity County line. 1585 Comment
  UC1212152  Gentianella amarella subsp. acuta Francia Chisaki and Helen K. Sharsmith 1959-8-19 4730 Siskiyou just w Scott Mountain grade summit (just beyond Trinity County line); Inner North Coast Ranges 1584 Comment
  CAS-BOT-BC459619  Geum macrophyllum Wm. Bridge Cooke 1938-6-24 11081 Siskiyou MacBride Springs Comment
  HSC45986  Gilia capitata J. P. Smith, Steve Selva 1970-6-15 3947 Siskiyou Road between Forks of Salmon and Cecilville. 579 Comment
  POM75062  Gilia capitata Geo D. Butler 1909-5-10 741 Siskiyou Near Yreka. Comment
  UC60878  Gilia capitata subsp. capitata Harley P. Chandler June, 1901 1665 Siskiyou Marble Mountain North Coast Ranges, Marble Mountain 2438 Comment
  UCSB10071  Gilia capitata subsp. capitata Hardham, Clare 1965-8-1 Siskiyou Cudahy Lakes; Marble Mountains 1219 Comment
  UCSB63784  Glyceria borealis Oswald, Vernon; Ahart, Lowell 1998-7-21 Siskiyou NE of Weed and S of Macdoel, along Old State Highway on the W side of Bray 1417 Comment
  UC1024699  Glyceria elata Leo Whitney 1934-6-24 2146 Siskiyou near Tennant (Antelope Creek); Antelope Creek 1463 Comment
  CAS-BOT-BC302665  Gnaphalium palustre Laura M. Lathrop 1903-7-10 s.n. Siskiyou Shasta Retreat Comment
  JEPS34050  Gnaphalium palustre Geo. D. Butler 1908-7-7 315 Siskiyou along creek at Butler's Ranch near Yreka Comment
  RSA15796  Gnaphalium thermale C. B. Wolf 1927-8-26 1036 Siskiyou On the Klamath River, 4 mi N of Gottville P. O. Comment
  HSC19397  Goodyera oblongifolia J. O. Sawyer 1968-9-28 744 Siskiyou Along ridge NE of Orleans Mtn. 1677 Comment
  HSC19435  Goodyera oblongifolia J. O. Sawyer 1969-8-11 2004 Siskiyou Along S French Creek 1692 Comment
  SEINET1911817  Hackelia R. Tofsrud, J. M. Tucker 1948-1 1783 Siskiyou Openings in Yellow Pine woods, ca 1.5 miles northwest of McCloud Comment
  CAS-BOT-BC419706  Hackelia bella Mary Merello; H. H. Schmidt; L. Woodruff 1993-6-23 702 Siskiyou Shasta Trinity National Forest County Road A-10 (Everitt Memorial Hwy.) along roadside at the John Everitt Vista Point. 1800 Comment
  HSC58850  Hackelia micrantha Marvin Butler 1971-7-7 43 Siskiyou Near Mary's Meadow, close to the town of Cave Junction 1464 Comment
  UC1186469  Hackelia micrantha John H. Weiler, A. P. Nelson 1960-6-26 60223 Siskiyou 0.6 mi n of Bacon Rind Public Camp (s of Sawyers Bar) Comment
  UC1222251  Hackelia micrantha Joseph P. Tracy 1951-6-16 19495 Siskiyou at crossing of Takilma-Happy Camp Road (near State Line, summit of the Siskiyous) Comment
  CAS-BOT-BC504601  Hastingsia alba Geo. D. Butler 1910-6-5 1482 Siskiyou Shackleford Creek Comment
  CAS-BOT-BC504616  Hastingsia alba anonymous no date on the lable. s.n. Siskiyou Siskiyou Comment
  SD98966  Hastingsia bracteosa Darley F. Howe 1977-7-1 Siskiyou Scott Mountain Creek. Comment
  CAS-BOT-BC302456  Hazardia whitneyi var. discoidea Louis C. Wheeler 1934-8-5 3045 Siskiyou Condrey Mt., Siskiyou Mts. 2164 Comment
  CDA6183  Hazardia whitneyi var. discoidea T. C. Fuller, Don Shaw 1974-9-24 20032 Siskiyou Pacific Crest Trail, summit of the Siskiyou Mountains, east of White Mountain. 0 Comment
  UCD148983  Helenium autumnale T. C. Fuller 1960-8-23 4966 Siskiyou around 1 mile southeast of Greenview, Scott Valley. Comment
  CAS-BOT-BC306737  Helenium bigelovii Henry M. Pollard 1947-9-6 s.n. Siskiyou Dillons Mt. Forest Road Comment
  CAS-BOT-BC306739  Helenium bigelovii A. A. Heller 1914-8-28 11733 Siskiyou East side of Mt. Eddy 2133 Comment
  HSC81982  Helenium bigelovii Thomas W. Nelson, Jane P. Nelson 1979-6-16 4856 Siskiyou Above Mule Creek, along Hwy. 3, 4.4 mi. N of Scott Mtn. Summit 1220 Comment
  HSC92210  Helenium bigelovii Jennifer Whipple 1976-7-24 1568 Siskiyou SW of Dobkins Lake along the drainage into the lake 2073 Comment
  UC134681  Helenium bigelovii Katharine Curran 1887-7-1 Siskiyou Edgewood Mt. Shasta Comment
  UCR21117  Helenium bigelovii T. W. Fisher, R. E. Orth, Oatman 1974-6-26 s.n. Siskiyou McIntosh Ranch on the McCloud River near Bartle 1220 Comment
  CAS-BOT-BC306732  Helenium bigelovii Wm. Bridge Cooke 1940-7-5 15260 Siskiyou Mount Shasta. Throughout Wagon Camp Comment
  CAS-BOT-BC305315  Helianthella Elizabeth McClintock; Wayne Roderick; Martha Roderick 1967-7-28 s.n. Siskiyou Gumboot Lake, Trinity Mts. 1828 Comment
  CAS-BOT-BC314840  Helianthella californica var. shastensis L. E. Smith 1913-5-16 s.n. Siskiyou Dunsmuir Comment
  UC1191658  Heliotropium curassavicum Verne Grant and Irving Schneider 1947-8-26 8303 Siskiyou Lower Klamath Lake, alkali flats by Interstate Hwy. Lower Klamath Lake Comment
  CHSC114173  Heliotropium curassavicum var. oculatum R. E. Brainerd 2010-8-5 1731 Siskiyou Interstate Highway 5, 12.5 air miles southeast of Yreka. UTM Zone 10 541522E 4603756N 798 Comment
  CAS-BOT-BC313466  Hemizonella minima John Thomas Howell 1937-7-21 13170 Siskiyou South Fork of Salmon River near Big Flat 1524 Comment
  CHSC30914  Hemizonella minima M. S. Taylor 1980-7-8 3113 Siskiyou On ridge s of Castle Lake, above Hearts lake. 2016 Comment
  UC722218  Hemizonella minima C. L. Hitchcock and J. S. Martin 1939-7-9 5325 Siskiyou 1/2 mi se King's Castle; Marble Mts. 1828 Comment
  HSC4130  Herniaria hirsuta var. cinerea L. C. Wheeler 1935-6-15 3588 Siskiyou 3 mi. S of Greenview, Scott Valley, Mt. Diablo Meridian 884 Comment
  HSC43383  Hesperochiron pumilus Maralyn O'Meara 1974-5-26 459 Siskiyou Along USFS Rd. 47N03 1524 Comment
  OBI7192  Hesperocyparis bakeri Carl B. Wolf and E. R. Johnson, E. R. Johnson 1934-10-8 6166 Siskiyou Modoc Lava beds, 1 mi NE of Timbered crater on Old Stage rd from Dana to Little Hot Springs Valley 1219 Comment
  CAS-BOT-BC143611  Heteromeles arbutifolia Carl B. Wolf 1927-8-27 1151 Siskiyou On the Klamath River 10 miles above the Salmon River Comment
  CAS-BOT-BC311045  Heterotheca oregona var. oregona A. A. Heller 1917-9-7 12976 Siskiyou Unspecified 914 Comment
  CAS-BOT-BC311089  Heterotheca oregona var. rudis Geo. D. Butler 1910-7-16 1790 Siskiyou Oro Fino Comment
  CAS-BOT-BC311087  Heterotheca oregona var. rudis Annie M. Alexander; Louise Kellogg 1948-9-4 5580 Siskiyou Siskiyou Mountains. Salmon River Comment
  CAS-BOT-BC312298  Heterotheca villosa var. minor Gilbert Muth 1965-8-4 s.n. Siskiyou Near the marble, Marble Valley Comment
  JEPS104828  Heuchera merriamii Dean W. Taylor 1996-7-11 15778 Siskiyou Scott Mountains; West Park Lakes (about 15 air miles west of Weed); Shasta-Trinity National Forest 2194 Comment
  UC637118  Heuchera merriamii Edward Lee 1934-8-14 1102 Siskiyou near summit of Little Grayback 1859 Comment
  RSA0063194  Heuchera merriamii William J. Ferlatte 1967-8-20 1061 Siskiyou Caribou Basin. Sawtooth Ridge. Trinity Alps. 2043 Comment
  CAS-BOT-BC319698  Hieracium albiflorum John Thomas Howell 1939-8-2 14895 Siskiyou Spirit Lake, Marble Mts. 1828 Comment
  RSA215640  Hieracium gracile Gilbert Muth 1969-8-8 1291 Siskiyou Gap Meadow, Boulder Peak Ridge. 2287 Comment
  HSC61786  Hieracium greenei Ruby Van Deventer Siskiyou Poker Flat 1585 Comment
  CAS-BOT-BC316017  Hieracium nudicaule Alice Eastwood 1921-7-29 10976 Siskiyou Bear Spring on road to Medicine Lake Comment
  CAS-BOT-BC316019  Hieracium nudicaule John Thomas Howell 1937-7-21 13178 Siskiyou South Fork of Salmon River near Big Flat 1524 Comment
  CAS-BOT-BC316012  Hieracium nudicaule H. M. Hall 1928-7-4 5484 Siskiyou Summit of dividt between Sawyers Bar and Etna Comment
  CHSC69071  Hieracium scouleri var. nudicaule Vernon Oswald; Lowell Ahart 1997-7-28 8777 Siskiyou Forest Route 56 (42N56) 3.7 mi east of Forest Route 49, edge of Burnt Lava Flow Virgin Area at Yellow Jacket Ice Cave. 1755 Comment
  UC922282  Hieracium triste Annie M. Alexander and Louise Kellogg 1949-7-29 5896 Siskiyou above Sky High Lake; Marble Mountains. Near Hiddenlake 1859 Comment
  RSA181618  Holodiscus discolor Dorothy Parker 1950-8-6 489 Siskiyou Dry granite rocks, Salmon Mt. 1799 Comment
  LA207930  Holodiscus discolor var. glabrescens W. B. C.; 1938-8-18 11505 Siskiyou Mount Shasta, Above Horse Camp 2438 Comment
  CAS-BOT-BC150133  Holodiscus microphyllus var. glabrescens John Thomas Howell 1937-7-29 13654 Siskiyou Scott Mt. between Trinity and Siskiyou counties Comment
  CHSC1555  Holodiscus microphyllus var. glabrescens 1936-7-14 Siskiyou Black Butte. 1219 Comment
  HSC67750  Holodiscus microphyllus var. glabrescens J. O. Sawyer, J. Cole 1980-7-20 3805 Siskiyou E side of Grouse Hill 2134 Comment
  JEPS73758  Hordeum brachyantherum Geo. D. Butler 1909-6-4 813 Siskiyou near Yreka Comment
  JEPS107663  Hordeum depressum Lowell Ahart, John Dittes 2005-6-9 12001 Siskiyou Meadow area along a small drainage, on the east side of a poor rock fence, about 300 yards east of where cattle water in the Shasta River, about 3/5 mile (air) south of Highway 99/97 Cutoff, about 2 1/2 miles (air) east-southeast of Grenada 774 Comment
  UCD85768  Hordeum jubatum R. Tofsrud 1947-6-25 40 Siskiyou Near Gazelle. Comment
  CAS-BOT-BC273496  Hordeum vulgare John Thomas Howell; T. C. Fuller; G. D. Barbe 1980-4-28 53378 Siskiyou 2 miles south of Grenada, Shasta Valley 762 Comment
  CAS-BOT-BC143955  Horkelia daucifolia Geo. D. Butler 1909-5-8 713 Siskiyou Shasta Valley Comment
  JEPS44540  Horkelia daucifolia Geo. D. Butler 1909-5-8 713 Siskiyou e Yreka (Shasta Valley); Shasta Valley Comment
  POM224085  Horkelia daucifolia Alice Eastwood, John T. Howell 1934-4-20 1791 Siskiyou 4 miles N of Weed. Comment
  POM88250  Horkelia daucifolia Geo. D. Butler 1909-4-27 603 Siskiyou Quartz Valley Divide Comment
  UC329976  Horkelia daucifolia J. G. Lemmon 1889-6-26 Siskiyou Edgewood Comment
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Jun 26 2012
  UC673253  Horkelia daucifolia Lincoln Constance and Reed C. Rollins 1942-5-13 2913 Siskiyou 2 mi s Scott Bar; Klamath Siskiyou Region, Scott River 548 Comment
  RSA739867  Horkelia fusca subsp. parviflora L. P. Janeway, B. Castro 2007-7-28 9127 Siskiyou High Cascade range, Medicine Lake Highlands, W side of Arnica Sink 6.km W of Glass Mtn. 2042 Comment
  HSC28087  Horkelia fusca var. brownii J. D. Ackerman, A. M. Montalvo 1973-7-20 105 Siskiyou 3.7 mi. W of McCloud along Hwy. 89 Comment
  CAS-BOT-BC514283  Horkelia fusca var. pseudocapitata A. A. Heller 1905-6-17 8055 Siskiyou Sisson - between Sisson and Barnard station. Comment
  RSA451563  Horkelia tridentata Louis C. Wheeler 1934-6-29 2821 Siskiyou Beaver Creek 1341 Comment
  CAS-BOT-BC201120  Hosackia crassifolia Elizabeth McClintock; Wayne Roderick; Martha Roderick 1967-7-29 s.n. Siskiyou Road to Mumbo Basin, Trinity Mts. 1962 Comment
  CHSC870  Hosackia crassifolia V. Holt 1932-6-4 Siskiyou Spring Hill near Mt. Shasta City. 1127 Comment
  UCD106082  Hosackia crassifolia Tofsrud 1948-8-1 s.n. Siskiyou Near summit on road from Happy Camp to O'Brien, Oregon. Comment
  UCD106151  Hosackia oblongifolia Tofsrud 1948-8-1 s.n. Siskiyou Near summit of road from Happy Camp to O'Brien, Oregon. Comment
  HSC81562  Hosackia oblongifolia var. oblongifolia Thomas W. Nelson, Jane P. Nelson 1980-7-19 6207 Siskiyou Along USFS Rd. 40N17 1.0 mi. from junction with Callahan-Cecilville Rd. 1585 Comment
  JEPS57174  Hulsea nana L. R. Heckard 1967-8-13 1701 Siskiyou Mt. Eddy; summit region 2743 Comment
  LA203776  Hulsea nana Wm. Bridge Cooke; 1939-7-26 13769 Siskiyou Mt. Shasta, Along the Summit Trail below Lake Helen 2895 Comment
  UC134349  Hulsea nana E. B. Copeland 1903-8-16 3832 Siskiyou Mt. Shasta 3200 Comment
  HSC99203  Hydrophyllum occidentale Al Hobart 1967-8-8 Siskiyou El Capitan Comment
  JEPS74524  Hydrophyllum occidentale W. J. Ferlatte 1966-6-22 90 Siskiyou South Fork of the Salmon River Trinity Alps (between the campground and Carter's) 1524 Comment
  HSC68559  Hypericum anagalloides Maralyn A. Renner 1980-6-26 1167 Siskiyou Flint Valley. 1390 Comment
  RSA238856  Hypericum perforatum Frederick W. Oettinger 1969-8-24 1525 Siskiyou Mid-way between the English Lake main camp and Sundew Bog due west of the camp. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1799 Comment
  UC1216705  Hypericum perforatum W. B. and V. G. Cooke 1962-8-19 33549 Siskiyou near Memorial Hwy. Mt. Shasta Comment
  HSC29262  Hypericum perforatum Frederick W. Oettinger 1969-8-24 1525 Siskiyou Marble Mtn. Wilderness Area, between English Lake and Sundew Bog 1799 Comment
  OBI55432  Hypochaeris radicata David J. Keil 1992-7-20 23491 Siskiyou Klamath Natl forest, W of Fort Jones. Along forest rd 44N45, 2 mi S of Scott River rd 1000 Comment
  POM213070  Iliamna bakeri Carl B. Wolf 1934-7-6 6029 Siskiyou West side of Mt Shasta, along Snowline road, 3.3 miles from Mt. Shasta City 1524 Comment
  RSA530091  Iliamna bakeri D. W. Taylor 1987-8-6 9244 Siskiyou Extreme northeastern portion of county.; (Hambone Island region, about 100 m south of lava Tank) Comment
  UC195395  Ipomopsis aggregata A. A. Heller 1914-8-26 11720 Siskiyou Weed 1066 Comment
  CHSC4534  Ipomopsis arizonica J. E. Bowlin 1967-7-18 58 Siskiyou On roadside, ca. 4 mi w of Mount Shasta Ski Bowl. 1981 Comment
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Jul 13 2018
  JEPS116877  Ipomopsis congesta David Gowen 2007-7-11 778 Siskiyou Southeast of Lake Shastina and Hwy 97 on forest service road 42N15. Near rocky area on side trail, midway between railroad tracks and pumice mine. Comment
  UC164387  Iris missouriensis Geo. D. Butler 1910-6-3 1467 Siskiyou Quartz Valley Comment
  CDA39596  Iris missouriensis T. C. Fuller 1962-6-13 8983 Siskiyou Toad Well, road to Medicine Lake, ca. 12 miles northeast of Bartle. 0 Comment
  RSA181799  Iris missouriensis H. N. Metcalf, Jack C. Wilson 1965-7-3 65 -26 Siskiyou Callahan, ca. 2 miles east in creek bottom Comment
  RSA136346  Iris tenuissima Lee W. Lenz 1953-5-17 18313 Siskiyou Salmon River, 1 1/4 mi. above junction with Klamath River 177 Comment
  RSA136360  Iris tenuissima Lee W. Lenz, E. K. Balls 1956-6-18 21801 Siskiyou 1.5 mile east of McCloud, State Highway 89 1006 Comment
  HSC103028  Isatis tinctoria J. P. Smith 2014-6-7 13886 Siskiyou Yreka 844 Comment
  CDA36766  Isatis tinctoria D. B. Joley 1976-5-13 6 Siskiyou Klamath River, north of Yreka. 0 Comment
  SEINET3148773  Isatis tinctoria G. D. Butler 1910-6-7 1534 Siskiyou Scott River Comment
  CAS-BOT-BC57678  Isoetes bolanderi John Thomas Howell 1939-8-10 15251 Siskiyou Sky High Valley, Marble Mts. 1828 Comment
  UC1408844  Isoetes bolanderi Frederick W. Oettinger 1968-8-1 345 Siskiyou Hancock Lake; Salmon Mts, High Lake Basins, English Peak vicinity, Marble 1935 Comment
  RSA237970  Isoetes bolanderi Frederick W. Oettinger 1969-9-1 1573 Siskiyou At Dry Lake. The Salmon Mtns. High Lake Basins in the vicinity of English Peak. Marble Mtn Wilderness Area. 2027 Comment
  SEINET11259939 Image available Iva axillaris G. D. Butler 1910-9-12 1874 Siskiyou Near Lower Klamath Lake Comment
  JEPS82464  Ivesia gordonii Gilbert Muth 1966-7-22 381 Siskiyou ridge of Marble Mt.; Marble Mt. Wilderness Area 2804 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
  RSA768775  Juncus articulatus L. Ahart, John Dittes 2010-7-30 16962 Siskiyou Edge of the Shasta River, about 50-100 yards from the East Louie Road Bridge, Shasta Big Springs Ranch, 1.6 air miles southwest of Big Springs Lake, 4.6 air miles northwest of Dwinnel Dam, 5.7 air miles southeast of Grenada. 717 Comment
  CHSC88379  Juncus balticus Jenny Marr 1993-7-1 184 Siskiyou Butte Valley Wildlife Area, +/- 7 air miles NW of the town of MacDoel. Meadow NW of Meiss Lake. 1349 Comment
  UCD141342  Juncus balticus subsp. ater Calvin McMillan; Malcom A. Nobs 1949-6-17 805 Siskiyou Grass Lake, Highway 97. Comment
  RSA15458  Juncus bolanderi Carl B. Wolf 1927-8-26 1096 Siskiyou Klamath River, 14 miles above Happy Camp. Comment
  RSA22443  Juncus drummondii J. T. Howell 1937-7-24 13425 Siskiyou Caribou Basin, Salmon-Trinity Alps. 1982 Comment
  RSA44498  Juncus effusus subsp. pacificus Henry M. Pollard 1948-8-11 s.n. Siskiyou Irving Creek, near Somes Bar. Comment
  UC1748283  Juncus ensifolius Rhonda Posey 2000-8-17 Siskiyou about 3.5 mi NE of McCloud District Ranger Station, McCloud ( at Mud Creek Meadows, along Road 42N13 (Pilgrim Creek Road)) 1097 Comment
  RSA211362  Juncus ensifolius William J. Ferlatte 1967-8-17 950 Siskiyou Trinity Alps; Yellow Rose Mine. 1982 Comment
  CAS-BOT-BC110802  Juncus mertensianus John Thomas Howell 1937-7-22 13271 Siskiyou South Fork of Salmon River near Big Flat. 1524 Comment
  HSC22472  Juncus mertensianus J. O. Sawyer 1968-7-9 440 Siskiyou W of Little Duck Lake 1936 Comment
  RSA215589  Juncus mertensianus Gilbert Muth 1969-8-10 1325 Siskiyou Ridge W of Boulder Peak. 2287 Comment
  JEPS74127  Juncus mexicanus Geo. D. Butler 1909-5-23 859 Siskiyou near Yreka Comment
  HSC69181  Juncus nevadensis var. nevadensis Maralyn A. Renner 1980-7-24 2069 Siskiyou Lily Pad Lake 1768 Comment
  HSC30706  Juncus nevadensis var. nevadensis Frederick W. Oettinger, R. F. Thorne 1969-8-6 1241 Siskiyou Marble Mtn. Wilderness Area, NNW of Pine Lake 1883 Comment
  HSC69060  Juncus orthophyllus Maralyn A. Renner 1980-8-6 2322 Siskiyou Cracker Meadow 1555 Comment
  UC144671  Juncus parryi Wm. M. Canby 1897-9-7 297 Siskiyou Mt. Shasta Comment
  POM110818  Juncus xiphioides Geo D. Butler 1910-7-15 1784 Siskiyou Oro Fino Comment
  SD51279  Juniperus californica Darley F. Howe 1961-8-3 Siskiyou 56.5 miles west of Happy Camp on Highway #96 609 Comment
  UC618883  Juniperus communis unknown 1938-9-8 11644 Siskiyou n side of Red Butte Mt. Shasta, Red Butte (just below timberline in an Arctic-Alpine habitat) Comment
  CAS-BOT-BC81235  Juniperus occidentalis Edward Lee 1934-8-9 1014 Siskiyou Above Shasta Creek, 6 miles north of Yreka Comment
  UC1001948  Juniperus occidentalis Mrs. B. M. Berry 1954-10-10 6 Siskiyou near Callahan; Scott Mountains, Scott Valley 914 Comment
  UC401376  Juniperus occidentalis Geo. D. Butler 1909-3-6 580 Siskiyou dry hill near Yreka Comment
  CHSC91342  Juniperus occidentalis var. occidentalis Lowell Ahart; John Dittes 2005-6-9 12021 Siskiyou Small low hill, north fence boundary, on the east side of a poor rock fence, about 350 yards east of where cattle water in the Shasta River, about 3/5 mile (air) south of Highway 99/97 Cutoff, about 2 1/2 miles (air) east-southeast of Grenada. 774 Comment
  RSA120815  Juniperus occidentalis var. occidentalis G. D. Barbe 1955-6-28 19 Siskiyou 0.6 mile north of Callahan, 50 yds from the road. 1037 Comment
  RSA649266  Juniperus occidentalis var. occidentalis David J. Keil 1983-7-3 17378 Siskiyou 11 miles NE of junction with SR 3 along Gazelle - Callahan Road Comment
  CAS-BOT-BC56351  Kalmia microphylla subsp. microphylla G. J. Muth 1969-8-11 1367 Siskiyou Near Second Valley Lake 2194 Comment
  CAS-BOT-BC56358  Kalmia microphylla subsp. microphylla W. B. C. 1938-7-21 11296 Siskiyou Panther Creek Heather Meadow. Hudsonian. 2286 Comment
  HSC44964  Kalmia polifolia J. O. Sawyer 1978-6-20 3277 Siskiyou Marble Mtn. Wilderness Area, Hamilton Camp 1829 Comment
  UC876882  Kalmia polifolia subsp. microphylla Louis C. Wheeler 1934-8-5 3037 Siskiyou Mud Springs, [Middlehell Creek] Mud Springs; Siskiyou Mountains, , Middlehell Creek 1676 Comment
  HSC77232  Keckiella lemmonii L. P. Janeway 1983-8-21 577 Siskiyou FS Rd. 18N15, 3 mi. from FS Rd. 18N24 (Mill Creek Rd.) 1311 Comment
  NY790362  Keckiella lemmonii A. Eastwood 1912-7-23 1348 Siskiyou Cantara Comment
  UC60949  Keckiella lemmonii Geo. B. Grant Sep 1902 4189 Siskiyou Dunsmuir Comment
  CHSC9488  Kelloggia galioides J. F. Goodwin 1971-7-3 138 Siskiyou 7.7 mi south of Mt. Shasta Ski Bowl area. 1584 Comment
  HSC23541  Kelloggia galioides J. O. Sawyer 1969-7-24 1190 Siskiyou NE facing slope above Sugar Lake 1784 Comment
  UC455874  Kelloggia galioides I. J. Condit 1911-7-5 Siskiyou Mt. Bradley; Shasta Retreat 1524 Comment
  UC455891  Kelloggia galioides I. J. Condit 1909-8-23 Siskiyou near Sisson; Castle Lake Comment
  RSA93332  Kelloggia galioides F. W. Peirson 1923-7-19 4501 Siskiyou 16 miles S of Bray. Comment
  CAS-BOT-BC273778  Koeleria pyramidata Geo. D. Butler 1910-7-3 1625 Siskiyou Unspecified 1219 Comment
  UC1045298  Kyhosia bolanderi W. B. Cooke 1940-8-2 15408 Siskiyou meadows Wagon Camp; Mount Shasta Comment
  OBI55441  Lactuca biennis David J. Keil 1992-7-20 23502 Siskiyou Klamath NF. Along Forest Rd 46N64, 2.8 mi W of Scott river rd Comment
  OBI55443  Lactuca biennis David J. Keil 1992-7-20 23502 Siskiyou Klamath NF. Along Forest Rd 46N64, 2.8 mi W of Scott river rd Comment
  CDA7517  Lactuca tatarica var. pulchella T. C. Fuller 1967-8-15 16260 Siskiyou 4 miles northeast of Macdoel. 0 Comment
  CHSC71565  Lagophylla ramosissima subsp. ramosissima Vernon H. Oswald; Lowell Ahart 1998-8-3 9408 Siskiyou USFS 41N03 1.0 mi east of its junction with Gazelle-Callahan Rd. 11.5 mi west of Gazelle. Roadside. 1524 Comment
  UC1185277  Lathyrus brownii H. E. Brown 1897-6-10 Siskiyou near Sisson 1083 Comment
  UC1185308  Lathyrus brownii H. E. Brown 1897-6-10 391 Siskiyou near Sisson; ; near Sisson, Siskiyou Co. 1083 Comment
  UC796605  Lathyrus brownii Roxana S. Ferris and Laura Lorraine Jun 12 1948-Jun 16 1948 11828 Siskiyou 1 mi below w side Gazelle Mt. Grade (Gazelle-Callahan Road) 1219 Comment
  RSA48211  Lathyrus lanszwertii var. brownii Roxana S. Ferris, Laura Lorraine 1948-6-12 11828 Siskiyou One mile below summit of Gazelle Mountain, Gazelle-Callahan grade, west side. 1220 Comment
  RSA3772  Lathyrus pauciflorus subsp. brownii A. A. Heller 1927-5-14 14378 Siskiyou About the base of black Butte near the western base of Mount Shasta. Comment
  POM253569  Lathyrus polyphyllus C. L. Hitchcock, J. S. Martin, A. S. Hitchcock 1939-7-6 5209 Siskiyou on Takilma-Happy Camp Road 1677 Comment
  UC1034611  Lepidium campestre Douglas Barbe 1955-6-29 31 Siskiyou 1 mi e Callahan; Klamath Mountains 975 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
  JEPS94850  Lepidium latifolium Vernon H. Oswald and Lowell Ahart 1998-9-16 9646 Siskiyou Vista Point on Highway 161 adjacent to a marsh at Lower Klamath National Wildlife Refuge (8.7 mi e of Highway 97); Vista Point, Highway 161 1243 Comment
  SEINET7073597  Lepidium perfoliatum A. G. Vestal 1955-5-18 s.n. Siskiyou About 2.2 miles southeast of Dorris on US Route 97. UTM Zone 10, 588147mE, 4642648mN. Coordinate datum: NAD27. Comment
  POM259004  Leptosiphon harknessii C. L. Hitchcock, J. S. Martin 1939-7-6 5214 Siskiyou on Takilma-Happy Camp Road 1677 Comment
  POM74191  Leptosiphon harknessii Edward Palmer 1892-7-13 2463 Siskiyou Mt. Shasta and vicinity. Comment
  POM253567  Lesquerella occidentalis C. L. Hitchcock, J. S. Martin 1939-7-9 5305 Siskiyou N side of Black Mt. near Marble Mt. (King s Castle). 2073 Comment
  UC195376  Lessingia nemaclada A. A. Heller 1916-7-23 12494 Siskiyou at Dunsmuir Dunsmuir 640 Comment
  CAS-BOT-BC341901  Lessingia nemaclada W. R. Dudley 1899-8-23 s.n. Siskiyou Near Callahan's Comment
  CAS-BOT-BC341902  Lessingia nemaclada Elmer I. Applegate 1923-9-7 3948 Siskiyou Doggett Creek, Klamath River canyon Comment
  OBI55415  Lessingia nemaclada David J. Keil, Kathleen Keil 1992-7-21 23555 Siskiyou Klamath NF SE of Callahan. Forest Rd 40N08, 5 mi W of Scott Mtn rd (hwy 3) Comment
  RSA44881  Lessingia nemaclada J. C. Roos 1948-9-1 3938 Siskiyou Fort Jones Comment
  UC1557830  Lessingia nemaclada J. Semple, S. Heard 1986-8-16 8467 Siskiyou 1.6 km w Horse Creek (CA-96, before CA-3) Comment
  UC1223214  Lessingia ramulosa Joseph P. Tracy 1949-9-14 18552 Siskiyou 5 mi se Cecilville (at Summerville); South Fork of Salmon River 762 Comment
  UC61078  Leucanthemum vulgare W. A. Setchell, C. C. Dobie 1902-7-26 Siskiyou Sisson; Mount Shasta Comment
  HSC46841  Leucanthemum vulgare William J. Ferlatte 1974-7-14 1532 Siskiyou Big Flat near South Fork of Salmon River, W of Campground. 1509 Comment
  HSC69720  Leucothoe davisiae Maralyn A. Renner 1980-7-16 1794 Siskiyou Hancock Lake inlet 1951 Comment
  CAS-BOT-BC229452  Lewisia cotyledon James Payne Smith, Jr. 1978-5-28 9955 Siskiyou Klamath National Forest. Forest Service Road 39N27, 3.1 miles south of Sawyers Bar 1219 Comment
  CHSC99690  Lewisia cotyledon var. cotyledon L. P. Janeway 2008-7-24 9466 Siskiyou Klamath Ranges. Siskiyou Mountains; at end of short spur road into top of Alex Hole; 1.0 km east-southeast of Condrey Mountain. 1975 Comment
  HSC74920  Lewisia cotyledon var. cotyledon J. P. Smith, Jennifer Whipple 1978-7-2 9965 Siskiyou Klamath National Forest, ridge trail E of Cook and Green Pass 1341 Comment
  HSC82171  Lewisia cotyledon var. cotyledon T. Jimerson 1985-7-13 Siskiyou Around Devil's Punchbowl 1677 Comment
  CAS-BOT-BC444063  Lewisia cotyledon var. howellii L. R. Short 1933-5-24 119 Siskiyou Klamath National Forest. Rocky cliff on Klamath 548 Comment
  CAS-BOT-BC444081  Lewisia leeana Harley P. Chandler 1901-6-1 1609 Siskiyou North Coast Ranges. Near Marble Mountain 2286 Comment
  CAS-BOT-BC444581  Lewisia triphylla Wm. Bridge Cooke 1938-9-8 11657 Siskiyou Mount Shasta. Squaw Creek Meadows. Comment
  UC162636  Lewisia triphylla Harley P. Chandler June, 1901 1607 Siskiyou near Marble Mountain (ridges and meadows); North Coast Ranges 2133 Comment
  RSA13855  Leymus cinereus L. C. Wheeler 1934-9-22 3292 Siskiyou Walker, Klamath River; Siskiyou Mts. 518 Comment
  SBBG30566  Leymus cinereus D. Myrick 1968-6-22 1997 Siskiyou northern part of Lava Beds Nat Monument near Tule Lake Nat Wildlife Refuge 1310 Comment
  RSA591654  Leymus condensatus L. C. Wheeler 1934-9-22 3292 Siskiyou Walker, Klamath River; Siskiyou Mts. 518 Comment
  JEPS73740  Leymus triticoides George D. Butler 1908-7-3 472 Siskiyou Butler's Ranch near Yreka; Butler's Ranch Comment
  HSC34295  Ligusticum californicum J. P. Smith, J. O. Sawyer 1973-8-14 7289 Siskiyou Along trail from Log Lake to Campbell Lake 1677 Comment
  POM82381  Ligusticum grayi Geo. D. Butler 1908-8-3 464 Siskiyou Log Lake, Shackleford Creek Comment
  CAS-BOT-BC508257  Lilium columbianum A. A. Heller 1915-7-18 12108 Siskiyou Metcalf's ranch,northeast base of Mt. Eddy 1188 Comment
  CAS-BOT-BC508259  Lilium columbianum H. E. Brown 1897-6-1 344 Siskiyou Near Mt. Shasta 2133 Comment
  HSC22274  Lilium kelleyanum J. O. Sawyer 1969-7-26 1580 Siskiyou SE facing slope near Sugar Creek 1700 Comment
  HSC98150  Lilium kelleyanum J. O. Sawyer 1968-7-10 515 Siskiyou S side of Sugar Creek. 1616 Comment
  CAS-BOT-BC130824  Lilium pardalinum Wm. Bridge Cooke 1938-7-15 11197 Siskiyou Bear Springs, also at Wagon Camp 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
  HSC77933  Lilium pardalinum subsp. wigginsii D. K. Imper 1982-7-22 1500 Siskiyou Near Beans Camp 1280 Comment
  RSA297886  Lilium pardalinum subsp. wigginsii W. L. Jepson 1937-7-30 18513 Siskiyou Fork of Dunn Creek, headwaters of the Illinois River, East Fork Comment
  CAS-BOT-BC133026  Lilium washingtonianum subsp. purpurascens Wayne Roderick 1967-7-23 s.n. Siskiyou Between Lily Pad Lake and Cook & Green Pass 1676 Comment
  HSC69280  Lilium washingtonianum subsp. washingtonianum Maralyn A. Renner 1980-7-24 1992 Siskiyou Pacific Crest Trail above Lily Pad Lake. 1799 Comment
  UC907988  Linanthus androsaceus Mabel Ruttle 1927-5-5 Siskiyou Dunsmuir Comment
  JEPS58260  Linanthus bolanderi Geo. D. Butler 1910-4-14 1172 Siskiyou Yreka Comment
  UC336458  Linnaea borealis var. longiflora unknown Siskiyou near Mt. Shasta (Sisson's Woods); near Mt. Shasta, Sisson's Woods Comment
  UC912441  Linnaea borealis var. longiflora D. Tebbe 1929-7-15 137 Siskiyou Salmon Mountains Comment
  UC921111  Linnaea borealis var. longiflora Frank Bascom July, 1945 Siskiyou Hedge Creek about two mi easterly from Shasta Springs; Dunsmuir Quad., Hedge Creek e from Shasta Springs 914 Comment
  CHSC4736  Linum lewisii var. lewisii R. Carter 1966-5-15 412 Siskiyou 5.3 mi. S of intersection of Calahan-Gazelle Rd. and Old Oregon Stage Rd., growing on E side of road on serpentine slope above road in open area. Comment
  HSC30487  Listera convallarioides Frederick W. Oettinger 1969-8-12 1334 Siskiyou Salmon Mountains, at the Cedars, along Main N Fork Trail between Yellow Dog Creek and Abbott's Lower Cabin 960 Comment
  CAS-BOT-BC36531  Lithocarpus densiflorus var. echinoides A. A. Heller 1918-7-16 13035 Siskiyou Mt. eddy, west of Sisson, on open southeastern slope 1524 Comment
  CAS-BOT-BC36538  Lithocarpus densiflorus var. echinoides W. R. Dudley 1899-8-14 s.n. Siskiyou Near Pig Creek, McCloud Comment
  POM193472  Lithocarpus densiflorus var. echinoides J. B. Feudge 1928-8-11 1909 Siskiyou On west slope of Mt. Shasta. 1128 Comment
  RSA697650  Lithocarpus densiflorus var. echinoides Leo Miller 1938-07 s.n. Siskiyou Siskiyou Mnts. 1006 Comment
  UC60971  Lithocarpus densiflorus var. echinoides Geo. B. Grant Sep 1902 5244 Siskiyou Shasta Springs; Mount Shasta Comment
  CAS-BOT-BC36541  Lithocarpus densiflorus var. echinoides Carl B. Wolf 1931-9-2 2393 Siskiyou 4 miles above junction of McCloud Road with the Pacific Highway 1188 Comment
  HSC63259  Lithophragma campanulatum M. A. Baker 1979-7-31 1100 Siskiyou Johnson's Hunting Ground, between two highest peaks 2080 Comment
  RSA68852  Lithophragma campanulatum A. E. Culbertson 1943-6-26 104 Siskiyou Castle Lake, 5434 , in a north facing cirque with an abrupt 1000 backwall; 14 miles s.w. of Mt. Shasta on n. side of a 6600 eastern spur of Trinity Mts.; 2000 above Sacramento R. within 10 air miles of its headwaters to the west. Comment
  UC455972  Lithospermum californicum I. J. Condit 1911-7-13 Siskiyou Dunsmuir Comment
  CAS-BOT-BC325938  Lithospermum californicum A. A. Heller 1905-6-13 8017 Siskiyou Shasta Springs. On the slope between the railroad and the river above Shasta Springs. Comment
  CAS-BOT-BC325941  Lithospermum californicum Volney Rattan 1879-6-1 s.n. Siskiyou Klamath Comment
  UC196934  Lolium multiflorum Geo. D. Butler 1908-6-25 482 Siskiyou along creek near Yreka Comment
  CHSC91354  Lolium perenne Lowell Ahart; John Dittes 2005-6-10 12064 Siskiyou South edge of pasture, east of a poor dirt road, about 80 yards northeast of the pump house along the Shasta River, about 1.9 miles (air) south of Highway 99/97 Cutoff, about 6 miles (air) east-southeast of Grenada. 776 Comment
  UC1211906  Lomatium californicum Roy L. Taylor 1960-6-12 4438 Siskiyou n. Yreka (1 mi. w. of junction of Hwy. 96 (Klamath R. rd.) and Hwy. 99, hillsides above Klamath R.) Comment
  UC1527502  Lomatium engelmannii Thomas Nelson and Jane Nelson 1979-5-26 4712 Siskiyou ca.3 mi N of Scott Mountain summit (along State Route 3, at jct of Frorest Service Rd. 40N03) Comment
  UC585160  Lomatium engelmannii E. B. Babcock, G. L. Stebbins Jr. 1936-6-13 2015 Siskiyou ca. 1 1/2 mi. w. Mt. Shasta City (e. and n.e. slope of spur of Rainbow Ridge above Sulloway Creek); Rainbow Ridge 1180 Comment
  HSC43828  Lomatium macrocarpum Maralyn O'Meara 1974-5-27 484 Siskiyou Along FS Rd. 47N03 1646 Comment
  HSC76647  Lomatium macrocarpum K. T. Stillman 1976-8-7 175 Siskiyou Marble Mtn. Wilderness Area. 2073 Comment
  HSC76724  Lomatium macrocarpum K. T. Stillman 1976-8-7 382 Siskiyou Marble Mtn. Wilderness Area, Box Camp Mtn. 2195 Comment
  SEINET13944547 Image available Lomatium macrocarpum Clarence R. Quick 1959-1 59 -12 Siskiyou 3 mi S of Four Corners on ridge SE of Seiad Valley Comment
  HSC38864  Lomatium nudicaule J. P. Smith 1973-5-5 6463 Siskiyou Along Cook and Green Pass Rd. Comment
  CDA38335  Lomatium nudicaule T. C. Fuller 1958-6-19 1888 Siskiyou Tom Williams property, 4 miles northeast of Montague. 0 Comment
  JEPS177  Lomatium peckianum Geo. D. Butler 1909-4-14 638 Siskiyou Block 5 Yreka Comment
  CHSC118623  Lomatium utriculatum Richard R. Halse 2016-5-29 9724 Siskiyou Along Hilt Road east of Hilt. 902 Comment
  CHSC79486  Lonicera ciliosa G. F. Hrusa 1998-7-5 14682 Siskiyou Northwest California. Siskiyou Mountains. S side of Little Grayback pass on Happy Camp-O'Brien Rd. Ca. side of State Boundary, nr. Indian Ck. Camp. 750 Comment
  HSC81884  Lonicera ciliosa Barry Silver 1986-5-24 638 Siskiyou West Branch Campground, Klamath National Forest, 7 mi. NW of Happy Camp. 671 Comment
  UC61163  Lonicera ciliosa W. A. Setchell, C. C. Dobie 1902-7-26 Siskiyou Sisson Mount Shasta Comment
  HSC4904  Lonicera conjugialis J. O. Sawyer 1968-6-25 291 Siskiyou NE of N Horse Range Lake 2012 Comment
  HSC836  Lonicera conjugialis William J. Ferlatte 1967-7-9 693 Siskiyou Kidd Creek Trail. 1982 Comment
  SBBG7342  Lonicera hispidula H. and M. Dearing 1939-6-30 3753 Siskiyou near Callahan Comment
  JEPS16020  Lonicera tatarica W. T. Mooney 1903-5-21 Siskiyou Yreka Comment
  UC454695  Lotus crassifolius var. crassifolius I. J. Condit 1911-7-3 Siskiyou Shasta Retreat, along S.P.R.R. Comment
  JEPS55465  Lotus denticulatus Geo. D. Butler 1909-6-24 912 Siskiyou near Yreka Comment
  CAS-BOT-BC94432  Lotus oblongifolius var. oblongifolius R. C. Wenk 2005-7-18 268 Siskiyou Scott Mountains, border between Trinity and Siskiyou Counties. Growing along Pacific Crest Trail, 1/2 mile E of Hwy 3 1900 Comment
  JEPS95289  Lotus pinnatus Vernon H. Oswald and L. Ahart 1994-7-11 6401 Siskiyou T39N R6W NE1/4 NW1/4 Sec. 25, 5850 ft, Yellow Pine Forest. Gumboot Creek on the upstream side of Forest Rd. 26 (to Mt. Shasta), ca. 0.5 mi NE of Gumboot Lake, W of Dunsmuir 1783 Comment
  RSA592525  Lotus unifoliolatus S. O. Mattoon 1978-5-29 6 Siskiyou Klamath N. F.; Elliott Creek. 915 Comment
  HSC666  Lotus unifoliolatus var. unifoliolatus William J. Ferlatte 1967-7-9 682 Siskiyou Kidd Creek Trail 1768 Comment
  CAS-BOT-BC140204  Luetkea pectinata John Thomas Howell 1939-8-2 14872 Siskiyou Spirit Lake, Marble Mts. Comment
  HSC84  Luetkea pectinata William J. Ferlatte 1967-8-20 1049 Siskiyou Caribou Basin, Sawtooth Ridge 2043 Comment
  SEINET11546885 Image available Luetkea pectinata C. L. Hitchcock, J. S. Martin 1939-7-9 5328 Siskiyou 1/2 mile southeast of King's Castle; Marble Mountains 1829 Comment
  UC1971262  Luetkea pectinata Louis C. Wheeler 1963-8-25 8274 Siskiyou PRESTON PEAK: Summit ridge. North side. Comment
  UC572804  Luetkea pectinata unknown 1937-8-17 9294 Siskiyou Mt. Shasta; The Gate 2590 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
  SD87754  Luina hypoleuca Frank W. Peirson 1926-7-10 7021 Siskiyou Yreka; mountain range west of Yreka 1370 Comment
  UCR63952  Lupinus albicaulis Steve Morgan 1987-7-28 s.n. Siskiyou Sierra Nevada Mtns, McGinnis Springs, 5 mi NW of McCloud, Shasta-Trinity National Forest, south of Mt. Shasta 1768 Comment
  UCD105846  Lupinus albicaulis Rimo Bacigalupi; George Bacigalupi Jr. 1959-6-30 7182 Siskiyou southwest of Mt. Shasta (town). 1036 Comment
  SD106944  Lupinus albicaulis subsp. shastensis D. B. Dunn 1971-8-15 18141 Siskiyou 0.5 mile east of McCloud Ranger Station on Highway 89. Comment
  UC725354  Lupinus albicaulis var. shastensis A. A. Heller 1940-7-25 15764 Siskiyou trail to Horse Camp Mt. Shasta (Mt. Shasta) Comment
  RSA123589  Lupinus albicaulis var. shastensis G. D. Barbe 1955-7-5 110 Siskiyou 4.7 miles west of Greenview in Quartz Valley. 915 Comment
  HSC14927  Lupinus albifrons R. Spellenberg 1964-6-20 486 Siskiyou 10 mi. NE of Weed, Hwy. 97. Comment
  SBBG13880  Lupinus albifrons H. and M. Dearing 1939-6-4 3544 Siskiyou Fort Jones Comment
  UC338162  Lupinus albifrons unknown 1889-6-27 Siskiyou Edgwood Edgwood (Edgewood?) Comment
  CAS-BOT-BC195963  Lupinus albifrons var. albifrons Roxana S. Ferris; Laura Lorraine 1948-6-12 11725 Siskiyou French Creek Logging Road west of Callahan 1219 Comment
  UC173902  Lupinus albifrons var. albifrons Geo. D. Butler 1910-5-2 1268 Siskiyou dry land around Yreka; dry land around Yreka Comment
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May 16 2007
  UC1408828  Lupinus andersonii Frederick W. Oettinger 1968-8-19 587 Siskiyou English Peak Salmon Mountains, Marble Mountain Wilderness Area (Crapo View Gap) 2133 Comment
  HSC67776  Lupinus angustiflorus J. O. Sawyer, J. Cole 1980-7-21 3878 Siskiyou Near Haight Mtn. along USFS Rd. running S-SW 1939 Comment
  HSC71624  Lupinus bicolor J. P. Smith 1973-5-5 6570 Siskiyou Etna 793 Comment
  JEPS65034  Lupinus breweri W. L. Jepson 1907-7-6 2856 Siskiyou ridge above Cuddihy Valley Marble Mt. region Comment
  JEPS19766  Lupinus croceus Rimo Bacigalupi with S. Galen Smith 1957-6-26 5963 Siskiyou about 3 1/2 mi below (ne of) Gumboot Lake (Canyon of South Fork of Sacramento River); Canyon of South Fork Sacramento River, ne of Gumboot Lake 1767 Comment
  SEINET10485434  Lupinus klamathensis Jeffrey Huber 1971-6-9 Huber 270 Siskiyou 3 mi. N of weed, on us hwy 97; s facing 20 degree slope; roadside; in pinus Ponderosa, and p. Jeffreyi, and artemisia tridentata and purshia. 1128 Comment
  HSC92500  Lupinus latifolius subsp. latifolius Jennifer Whipple 1977-7-22 2049 Siskiyou Dale Creek drainage on the N face of Mount Eddy 2195 Comment
  HSC99337  Lupinus latifolius subsp. viridifolius G. L. Clifton 1979-7-1 6191 Siskiyou Near Poker Flat, close to the town of Happy Camp 1538 Comment
  POM28133  Lupinus latifolius subsp. viridifolius Geo. D. Butler 1910-6-4 1489 Siskiyou Shackleford Creek. Comment
  UC144514  Lupinus latifolius var. viridifolius A. A. Heller 1905-6-1 7928 Siskiyou between Dunsmuir and Upper Soda Springs; ; between Dunsmuir and Upper Soda Spring, Siskiyou Co. Comment
  RSA603998  Lupinus latifolius var. viridifolius L. C. Wheeler 1935-7-27 3723 Siskiyou Siskiyou Mountains: Doggett Creek. 1615 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
  UC598750  Lupinus lepidus var. lobbii C. Hart Merriam 1900-1 130 Siskiyou Squaw Creek Mt. Shasta (Mt. Shasta); , Squaw Creek Comment
  CHSC48564  Lupinus lepidus var. sellulus Vernon Oswald 1986-5-29 2072 Siskiyou Hwy 97 between Macdoel and Hebron Summit, 31.5 mi ne of Weed. 1219 Comment
  JEPS97000  Lupinus lepidus var. sellulus Dean W. Taylor 1999-8-12 17308 Siskiyou Mill Creek headwaters, Marble Mountains (ca. 4 miles W of Mugginsville, Quartz Valley) 1371 Comment
  POM26762  Lupinus leucophyllus Geo. D. Butler 1909-5-14 703 Siskiyou Klamath River. Comment
  UC1333309  Lupinus leucophyllus Dorothy Parker 1949-6-16 322 Siskiyou along the Etna-Callahan road Scott Valley 868 Comment
  UC157001  Lupinus leucophyllus Geo. D. Butler 1910-5-21 1376 Siskiyou Klamath River Comment
  UC156986  Lupinus nanus Geo. D. Butler April 17, 1910 - April 30, 1910 1190 Siskiyou Yreka; dry hill Yreka Comment
  RSA0069563  Lupinus onustus Daisie Huang 2006-8-4 06080405 Siskiyou Castle Lake Road. 1326 Comment
  SD60261  Lupinus onustus A. A. Heller 1927-5-14 14371 Siskiyou Spring Hill, near the town of Mt.Shasta Comment
  RSA176875  Lupinus onustus A. A. Heller 1927-5-14 14371 Siskiyou Spring Hill, near the town of Mt. Shasta. Comment
  UC454668  Lupinus polyphyllus var. burkei I. J. Condit 1909-8-23 Siskiyou near Sisson Castle Lake (Castle Lake); Castle Lake near Sisson 1828 Comment
  SD113682  Lupinus sellulus Darley F. Howe 1964-8-4 3929 Siskiyou Near Medicine Lake, Modoc National Forest. 2012 Comment
  POM25903  Lupinus sellulus subsp. sellulus Geo. D. Butler 1908-6-28 367 Siskiyou Quartz Valley Comment
  HSC41639  Lupinus sellulus subsp. ursinus Jennifer Whipple 1976-9-2 1760 Siskiyou S face of Mt. Eddy draining into the N Fork of the Sacramento River 2439 Comment
  CAS-BOT-BC7539  Lupinus ursinus Alice Eastwood 1912-8-30 2018 Siskiyou Mount Eddy Comment
  HSC96556  Luzula subcongesta Gordon Leppig 1998-8-14 1026 Siskiyou Klamath National Forest, Russian Wilderness, Little Duck Lake Fen, cirque W of Little Duck Lake 2200 Comment
  CDA34595  Machaeranthera canescens var. shastensis M. Beyers, G. F. Hrusa 2010-8-18 708 Siskiyou Highway 3; +/- south of Callahan just N of where Pacific Crest Trail intersects highway. 1638 Comment
  POM147342  Machaeranthera canescens var. shastensis D. D. Keck 1927-8-18 309 Siskiyou Leaf 1425 Comment
  POM52120  Machaeranthera canescens var. shastensis George B. Grant 1902-9-7 5111 Siskiyou Mt. Shasta 2439 Comment
  RSA170195  Machaeranthera canescens var. shastensis Joseph P. Tracy 1949-9-16 18564 Siskiyou Scott Valley, 1 mile east of Etna 884 Comment
  UCD131201  Machaeranthera canescens var. shastensis J. M. Tucker 1950-7-24 1949 Siskiyou beside Highway 89, 7.5 miles east of McCloud. Comment
  CAS-BOT-BC342670  Madia citriodora K. L. Chambers 1967-6-22 2845 Siskiyou Siskiyou Mountains. Rocky knoll about 500 ft. above and east of the freeway (Hwy. 5) at the Hilts exit, Siskiyou Pass 1097 Comment
  CAS-BOT-BC344003  Madia elegans Geo. D. Butler 1910-5-23 1400 Siskiyou Humbug Mountain 1066 Comment
  UCD134272  Madia glomerata A. H. Murphy 1956-8-16 56 Z Siskiyou Tangle Blue Lake, Klamath National Forest. 1767 Comment
  CAS-BOT-BC343443  Madia gracilis Carl B. Wolf 1934-7-6 5981 Siskiyou SW. slope of Mt. Shasta. 1/4 mi. E. of Mt. Shasta City 1097 Comment
  CHSC86673  Madia gracilis Jenny Marr 1993-7-1 56 Siskiyou Butte Valley Wildlife Area, +/- 7 air miles NW of the town of MacDoel. Meadow NW of Meiss Lake. 1349 Comment
  RSA28129  Madia minima Elmer I. Applegate 1936-5-18 10319 Siskiyou Bear Paw Cave, Lava Beds National Monument Comment
  POM224453  Mahonia aquifolium H. P. Bracelin 1936-5-12 849 Siskiyou North base of Mt. Eddy, 11 miles N.W. of Mt. Shasta City; about 2 miles E. of Burney Mill; flat beside creek at bridge. 1128 Comment
  POM266582  Mahonia aquifolium Lester Rowntree 1932-8-2 s.n. Siskiyou Happy Camp Rd. Comment
  RSA452627  Mahonia aquifolium L. C. Wheeler 1934-6-15 2716 Siskiyou Hungry Creek, Siskiyou Mts. 1280 Comment
  HSC557  Maianthemum racemosum subsp. amplexicaule William J. Ferlatte 1967-6-29 569 Siskiyou Along Yellow Rose Mine Trail 1829 Comment
  HSC68380  Maianthemum racemosum subsp. amplexicaule Maralyn A. Renner 1980-6-26 1208 Siskiyou Flint Valley 1390 Comment
  HSC98367  Maianthemum racemosum subsp. amplexicaule G. L. Clifton, Griswold 1979-6-27 6095 Siskiyou Near Shackleford Creek, close to the town of Greenview 1342 Comment
  CAS-BOT-BC512763  Maianthemum racemosum subsp. amplexicaule Alice Eastwood 1921-7-31 s.n. Siskiyou Shasta Springs Comment
  HSC30412  Maianthemum racemosum subsp. amplexicaule Frederick W. Oettinger 1968-8-7 438 Siskiyou Marble Mtn. Wilderness Area, between granite boulders, E side of Hancock Lake 1936 Comment
  CAS-BOT-BC514180  Maianthemum stellatum John Thomas Howell 1937-7-25 13463 Siskiyou Caribou Basin, Salmon-Trinity Alps Comment
  CAS-BOT-BC140197  Malus rivularis C. H. M. 1919-9-24 s.n. Siskiyou Klamath Canyon, mouth of Shovel Creek Comment
  CAS-BOT-BC67849  Marsilea vestita Louis C. Wheeler 1934-10-14 3323 Siskiyou Siskiyou Mountains - Shasta River 2 mi. below Yreka Creek - Mt. Diablo Mer. 670 Comment
  RSA60503  Medicago lupulina John H. Thomas 1949-6-16 942 A Siskiyou Beaver Creek Public Camp, 5 miles north of junction of Beaver Creek and Klamath River. Klamath National Forest. Comment
  SEINET935329  Melica californica Lincoln Constance, R. C. Rollins 1942-1 2934 Siskiyou Shasta River 6 miles north of Yreka. 762 Comment
  SEINET10860810  Melica californica Lincoln Constance, Reed C. Rollins 1942-5-14 Constance 2934 Siskiyou Basaltic slope with Ceanothus, Schmaltzia, Toxicodendron and Artemisia, Pinus ponderosa-Juniperus association. Shasta River 6 miles north of Yreka. 762 Comment
  UC1222353  Melica fugax Joseph P. Tracy 1951-6-16 19479 Siskiyou Takilma-Happy Camp Road Siskiyou Mts. (summit of Siskiyou Mts, about 3 mi s of Calif State Line) Comment
  UC197193  Melica fugax Geo. D. Butler 1910-4-19 1196 Siskiyou Yreka Comment
  SEINET10599434  Melica harfordii F. Marion Ownbey 1940-7-7 Ownbey 2217 Siskiyou Gravelly soil in open places near summit of Cayenne Ridge, Marble Mountain. Comment
  UCD88285  Melica stricta AHM 1957-7-24 57 T Siskiyou On the border of Trinity County. Head of Bear Creek trail to Toad Lake Shasta National Forest, S. of Mt. Eddy. 2346 Comment
  HSC27345  Melica subulata J. P. Smith, J. O. Sawyer, Maralyn O'Meara 1972-7-3 5700 Siskiyou E slope of Kangaroo Mtn. above Toehead Lake. 1890 Comment
  UC1265410  Melica subulata F. W. Oettinger 1969-8-16 1394 Siskiyou near English Lake (sw of Wiregrass Meadow); Salmon Mtns 1676 Comment
  RSA60493  Melilotus albus John H. Thomas 1949-6-16 940 Siskiyou 10 miles north of Gazelle. Comment
  JEPS63470  Mentha canadensis Willis L. Jepson Jul 24 1894-Aug 10 1894 14917 Siskiyou Sisson; Upper Sacramento, Sisson Comment
  UCD125058  Mentha canadensis J. P. Smith; Steve Selva 1970-8-7 4542 Siskiyou Junction Interstate 5 and Stewart Creek Road. Comment
  UCD19280  Mentzelia laevicaulis Julie Knorr 1980-7-30 52 Siskiyou 2 mi. west from Callahan on Callahan-Cecilville rd., rocky serpentine outcrop. 1219 Comment
  CAS-BOT-BC429256  Micranthes oregana Geo. D. Butler 1910-6-19 1590 Siskiyou Goosenest foothills 1524 Comment
  CAS-BOT-BC349374  Microseris nutans Geo. D. Butler 1910-6-4 1498 Siskiyou Shackleford Creek Comment
  SEINET3145682  Microsteris gracilis G. D. Butler 1910-3-28 1148 Siskiyou Yreka Comment
  UCD20187  Microsteris gracilis J. DiTomaso 2002-5-17 s.n. Siskiyou 8 miles NE of Montague. On York Road., 300 m east of intersection with Mulloy Rd. Comment
  HSC61900  Microsteris gracilis Ruby Van Deventer 1959-7-7 Siskiyou Poker Flat 1585 Comment
  POM75051  Microsteris gracilis subsp. gracilis Geo D. Butler 1910-3-28 1148 Siskiyou Yreka. Comment
  HSC36529  Mimulus breweri J. O. Sawyer 1969-6-13 1104 Siskiyou Slope above Little Duck Lake 2134 Comment
  RSA408132  Mimulus breweri Louis C. Wheeler 1935-7-26 3698 Siskiyou Siskiyou Mountains: Jaynes Canyon. 1951 Comment
  UCD77257  Mimulus breweri Robert E. Preston 2001-7-21 1723 Siskiyou Klamath National Forest, north slope of Rainbow Mountain. 2066 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
  UC446456  Mimulus guttatus Annie M. Alexander and L. Kellogg 1911-6-13 Siskiyou 6 mi nw Callahan Comment
  RSA15688  Mimulus guttatus Carl B. Wolf 1927-8-26 1075 Siskiyou On the Klamath River, near Hamburg. Comment
  RSA237546  Mimulus guttatus Frederick W. Oettinger 1967-8-13 255 Siskiyou Below spring at Tom Taylor Cabin. The Salmon Mountains. The High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2049 Comment
  UC1736262  Mimulus jepsonii Dean W. Taylor 1987-6-7 9020 Siskiyou South end Saddle Hills 1645 Comment
  RSA535564  Mimulus layneae David M. Thompson 1929-6-29 1023 Siskiyou Near Black Butte, mid-way between Mt. Shasta city and Weed. 1.2 mi N of I-5 interchange (summit Drive/Deetz Road/Truck Village Drive) along N part of Truck Village Drive (E side of I-5). 1200 Comment
  RSA211433  Mimulus lewisii William J. Ferlatte 1966-8-17 386 Siskiyou Caribou Basin; Trinity Alps. 1982 Comment
  JEPS10936  Mimulus moniliformis Willis L. Jepson Jul 24 1894-Aug 10 1894 43 m Siskiyou near Sisson; Upper Sacramento Region Comment
  UC196161  Mimulus moniliformis A. A. Heller 1914-8-25 11714 Siskiyou opposite Black Butte (near Deetz station) 1158 Comment
  HSC44938  Mimulus moschatus J. O. Sawyer 1978-6-19 3244 Siskiyou Marble Mtn. Wilderness Area, trail between Timothy Gulch and Harry Hall Gulch 1433 Comment
  HSC447  Mimulus moschatus William J. Ferlatte 1967-8-19 1035 Siskiyou Along the S Fork of the Salmon River between the campground and Carter's 1524 Comment
  RSA14140  Mimulus moschatus Elmer I. Applegate 1923-9-6 3976 Siskiyou Doggett Creek, Klamath River. Comment
  JEPS84010  Mimulus primuloides L. R. Heckard with J. Hickman et al. 1986-7-17 6503 Siskiyou e Condrey Mt.; Alex Hole 1950 Comment
  RSA237543  Mimulus primuloides var. pilosellus Frederick W. Oettinger 1968-8-14 519 Siskiyou Bear Meadow, Tom's Lake region. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness. 2188 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
  CAS-BOT-BC388888  Minuartia douglasii Albert M. Vollmer; Lawrence Beane 1951-5-31 20 Siskiyou Scott Mountain Comment
  POM163895B  Minuartia nuttallii subsp. gregaria E. B. Copeland 1903-8-18 3907 Siskiyou Mt. Eddy. 2134 Comment
  CHSC86450  Mirabilis greenei Jenny Marr 1993-7-1 1 Siskiyou Butte Valley Wildlife Area, +/- 7 air miles NW of the town of MacDoel. Meadow NE of Meiss Lake. 1349 Comment
  JEPS61325  Mirabilis greenei Geo. D. Butler 1910-5-11 1334 Siskiyou Shasta Valley Comment
  LA205965  Mirabilis greenei Wm. Bridge Cooke; 1940-6-20 15155 Siskiyou along the Pacific Highway in the Klamath River gorge 609 Comment
  UC530062  Mitella diversifolia Louis C. Wheeler 1934-7-12 2899 Siskiyou Cottonwood Creek Siskiyou Mts. 1066 Comment
  HSC4892  Mitella pentandra J. O. Sawyer 1968-6-25 322 Siskiyou Along Horse Range Creek 1829 Comment
  HSC96407  Mitella pentandra Gordon Leppig, J. Kalt 1996-7-9 356 Siskiyou Klamath National Forest, Russian Wilderness, cirque W of Little Duck Lake 2200 Comment
  HSC22291  Mitella pentandra J. O. Sawyer 1969-6-12 888 Siskiyou Sugar Creek 1515 Comment
  JEPS8484  Mitella trifida Rimo Bacigalupi with J. P. Tracy, L. Constance, R. Moran, R. L. Rodriguez, and S. Carlquist 1951-6-16 3448 Siskiyou near Poker Flat (near summit of Takilma - Happy Camp road over Siskiyou Mountains, Del Norte - Siskiyou County line); rd over Siskiyou Mountains 1539 Comment
  UC1053436  Moehringia macrophylla Rimo Bacigalupi and Arthur Holmgren 1950-4-24 3138 Siskiyou opposite town Dunsmuir (on e side of canyon, cliffs along Sacramento River); cliffs along Sacramento River, e side of canyon Comment
  SEINET6645733  Mollugo verticillata L. C. Wheeler 1935-7-20 3676 Siskiyou Scott River, 1 1/2 mi. W. of Ft. Jones 823 Comment
  HSC70605  Monardella glauca J. O. Sawyer, R. J. Cole 1981-7-2 4147 Siskiyou Near Scott Mountain Campground 1585 Comment
  HSC65493  Monardella odoratissima R. White 1977-7-1 100 Siskiyou Top of Sawtooth Mtn. 1761 Comment
  UCD125283  Monardella odoratissima J. M. Tucker 1963-8-19 3785 Siskiyou Headwaters of Canyon Creek, Marble Mountain Wilderness Area. 1920 Comment
  CAS-BOT-BC221810  Monardella odoratissima G. D. Hanna 1950-8-1 s.n. Siskiyou 2 miles north of Medicine Lake Comment
  CAS-BOT-BC222033  Monardella odoratissima subsp. glauca A. A. Heller 1905-6-13 8018 Siskiyou In the gorge of the Sacramento above Shasta Springs Comment
  CAS-BOT-BC222034  Monardella odoratissima subsp. glauca Peter H. Raven 1956-9-4 10379 Siskiyou Ridges s. of Mt. Eddy 2286 Comment
  RSA183662  Monardella odoratissima subsp. glauca Gilbert Muth 1965-8-12 209 Siskiyou Upper meadow, Marble Valley, Marble Mts. Comment
  RSA184655  Monardella odoratissima subsp. glauca Clare B. Hardham 1965-8-20 13009 Siskiyou Marble Mtns. near Cudahy Lakes 1524 Comment
  HSC69378  Monardella odoratissima subsp. pallida J. O. Sawyer, J. Cole 1980-7-19 3683 Siskiyou Near FS Rd. 45N05, center of section 1890 Comment
  UC1096813  Monardella odoratissima subsp. pallida H. K. Wagnon 1957-8-11 1702 Siskiyou Mt. Shasta ca. 1 mi W of Military Pass Road, along road to Brewer Creek. Comment
  CDA40926  Monardella odoratissima subsp. pallida Jim Jokerst 1992-7-3 3413 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] 0 Comment
  SEINET10582083  Monardella odoratissima subsp. pallida A. Graff 1993-7-24 Graff 348 Siskiyou Mt. Shasta National Forest, Mt. Shasta. Memorial Hwy. from the 2nd road to Sand Flats going down the Mt., on both sides of the road. Locally frequent at the edge of mixed conifer forest of Abies magnifica, A. concolor, Pinus ponderosa, Pseudotsuga menziesii, Calocedrus decurrens, with Ceanothus sp., Arctostaphylos uva-ursi and A. sp. Comment
  SEINET10582084  Monardella odoratissima subsp. pallida A. Graff 1993-7-24 Graff 349 Siskiyou Mt. Shasta National Forest, Mt. Shasta. Memorial Hwy. from the 2nd road to Sand Flats going down the Mt., on both sides of the road. Locally frequent at the edge of mixed conifer forest of Abies magnifica, A. concolor, Pinus ponderosa, Pseudotsuga menziesii, Calocedrus decurrens, with Ceanothus sp., Arctostaphylos uva-ursi and A. sp. Comment
  UC2035870  Monardella villosa subsp. villosa C. Epling 1938-1 Siskiyou Klamath River slopes near Highway 99. Comment
  JEPS14831  Monotropa hypopitys Ranger Morgan Aug. 1913 Siskiyou Happy Camp Klamath Forest Comment
  UCD77876  Monotropa hypopitys Robert E. Preston 2001-6-30 1645 Siskiyou Klamath National Forest, north slope of Rainbow Mountain, T42N R1W nw 1/4 of se 1/4 Section 14 1767 Comment
  UC524275  Monotropa hypopitys Elmer I. Applegate 1923-8-18 3855 Siskiyou Redshale Mountain east of Medicine Lake 2133 Comment
  UCD117676  Monotropa hypopitys D. V. Hemphill 1974-7-28 s.n. Siskiyou ca. 1/4 mile north of Jawbone Camp, Marble Mountain Wilderness area. 1554 Comment
  CAS-BOT-BC445207  Montia parvifolia John Thomas Howell 1939-8-5 15062 Siskiyou Spirit Lake, Marble Mts. 1828 Comment
  LA207510  Montia parvifolia Edward Lee; 1934-8-13 1054 Siskiyou Klamath National Forest, Indian Creek, 4 mi N of Happy Camp 411 Comment
  JEPS121620  Muhlenbergia andina Jennifer Buck, Deborah Stout 2011-8-23 Siskiyou Middle Fork Sacramento River headwaters, east slope of the Eddys, near Toad Lake. Sloping wet meadow in lodgepole pine forest on ultramafic soil. SW aspect. Mount Eddy quadrangle. TL04A Comment
  HSC22181  Muhlenbergia montana J. O. Sawyer 1969-7-25 1532 Siskiyou SE facing slope W of Sugar Lake 1845 Comment
  RSA576952  Myosurus Louis C. Wheeler 1934-7-2 2840 Siskiyou Little Smoky Creek, Sterling Mt., Siskiyou Mts. 1280 Comment
  UC874310  Myriophyllum sibiricum Louis C. Wheeler 1935-6-23 3591 Siskiyou Shasta River 2 mi NW of Montague 762 Comment
  CHSC28790  Nama lobbii J. D. Prouty 1979-8-22 7908221 Siskiyou E slopes of Mt. Shasta. 1950 Comment
  HSC65668  Nama lobbii Donald W. Miles 1979-7-28 28 Siskiyou Jct. of logging spur rd. and Harris Springs Rd., 12 mi. NE of Bartle 1439 Comment
  UC61055  Nama lobbii W. A. Setchell, C. C. Dobie 1902-7-15 Siskiyou Sissons Mount Shasta (Mount Shasta); , Sissons Comment
  HSC30631  Navarretia capillaris Frederick W. Oettinger 1969-7-9 939 Siskiyou Marble Mtn. Wilderness Area, NW of Upper English Lake 1951 Comment
  HSC61862  Navarretia capillaris Ruby Van Deventer 1961-7-13 Siskiyou Poker Flat 1585 Comment
  POM74489  Navarretia intertexta Edward Palmer 1892-7-13 2451 Siskiyou Mt. Shasta and vicinity. Comment
  JEPS81654  Navarretia leucocephala subsp. leucocephala L. R. Heckard with L. Constance and R. Ornduff 1969-6-24 2298 Siskiyou on US Hwy 97 0.8 mi s Bray junction; Murphy Wells 1493 Comment
  CHSC88392  Navarretia sinistra Jenny Marr 1993-7-1 151 Siskiyou Butte Valley Wildlife Area, +/- 7 air miles NW of the town of MacDoel. Meadow NW of Meiss Lake. 1349 Comment
  POM312620  Navarretia sinistra H. L. Mason 1948-7-17 13597 Siskiyou Eastern Grass Lake, in forested hills Comment
  RSA600383  Navarretia sinistra L. C. Wheeler 1934-6-22 2771 Siskiyou Siskiyou Mountains: Cottonwood Creek, Mt. Diablo Mer. 1006 Comment
  CAS-BOT-BC219533  Nemophila parviflora J. H. Thomas 1954-5-13 4155 Siskiyou Salmon Mountains, Klamath National Forest. Near South Fork of Salmon River, 5 to 9 miles southeast of Cecilville. Along Rush Creek, Southwestern Siskiyou County 1127 Comment
  HSC67574  Nicotiana acuminata var. multiflora J. P. Smith, Steve Selva 1970-7-17 4430 Siskiyou Along Klamath River Comment
  RSA426687  Nicotiana bigelovii Edwin Kline 1920-06 14857 Siskiyou Siskiyou Mtns. Comment
  RSA237486  Nothocalais alpestris Frederick W. Oettinger 1967-8-17 272 Siskiyou Crapo Peak Ridge where trail crosses it. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2195 Comment
  RSA126565  Nothocalais troximoides M. H. Mitchell 1936-5-8 3 Siskiyou Close to Schonchin Butte, Modoc Lava Beds National Monument 1372 Comment
  HSC69310  Nothochelone nemorosa Maralyn A. Renner 1980-7-24 1977 Siskiyou Pacific Crest Trail above Lily Pad Lake. 1799 Comment
  SEINET10632053  Oenothera Daniel K. Harder 1994-9-29 Harder 2487 Siskiyou Ca. 5 mi. W of Callahan on road to Cecilville in Klamath National Forest along S fork of Scott River. At serpentine outcrops along road. 1140 Comment
  UC61199  Oenothera elata subsp. hirsutissima W. A. Setchell, C. C. Dobie 1902-7-21 Siskiyou Sisson Mt. Shasta Comment
  RSA75605  Orobanche uniflora Albert M. Vollmer, L. Beane 1951-6-2 83 Siskiyou Happy Camp, Klamath River Hwy. Comment
  HSC19206  Orthilia secunda J. O. Sawyer 1968-6-18 236 Siskiyou Valley bottom of Blakes' Fork. 1707 Comment
  HSC104277  Orthocarpus cuspidatus subsp. copelandii Samantha E. Andres 2016-7-3 11 Siskiyou Marble Mountain Wildnerness; above Little Elk Lake 1829 Comment
  HSC24862  Orthocarpus cuspidatus subsp. copelandii R. W. Spjut Aug 1970 1264 Siskiyou W side of ridge between Bear Lake and Turk Lake, Marble Mtn. Wilderness Area 2012 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
  HSC89868  Orthocarpus cuspidatus subsp. cryptanthus George W. Gillett 1952-8-17 193 Siskiyou Lassen Volcanic National Park, near Hwy. 89, 2 mi. below sign marking trail to Bumpas Hell Comment
  UC199367  Orthocarpus imbricatus H. W. Furlong Sept 1901 Siskiyou Summit to Ager; Summit to Ager Comment
  HSC38448  Osmorhiza berteroi Maralyn A. Renner 1980-6-26 1214 Siskiyou SE edge of Flint Valley. 1390 Comment
  SD88460  Osmorhiza occidentalis Darley F. Howe 1972-7-5 Siskiyou 0.6 miles south of Oregon state line on road to Happy Camp. 1705 Comment
  UCD127764  Osmorhiza purpurea J. M. Tucker; L. K. Mann 1963-7-5 3700 Siskiyou On Blake's Fork of South Russian Creek (a tributary of Salmon River), ca. 7 miles (airline) east of Sawyer's Bar, Salmon Mountains. 1615 Comment
  CAS-BOT-BC334340  Packera macounii Freed W. Hoffman 1950-7-13 3496 Siskiyou Clear Creek trail, 1.0 mile W of Baldy Peak Comment
  SD46776  Packera streptanthifolia E. K. Balls, L. W. Lenz 1956-6-18 21722 Siskiyou 5.7 miles southeast of Gazelle, US Highway 99, Yreka to Dunsmuir 885 Comment
  CAS-BOT-BC317139  Packera streptanthifolia var. streptanthifolia Alice Eastwood; John Thomas Howell 1936-6-13 2750 Siskiyou 6 miles n. of Weed Comment
  CAS-BOT-BC28836  Paeonia brownii H. E. Brown 1897-7-15 564 Siskiyou South side of Mount Shasta 3048 Comment
  HSC10458  Panicum capillare C. B. Wolf 1927-8-26 992 Siskiyou Klamath River, 5 mi. below Hornbrook Comment
  HSC27221  Panicum capillare J. P. Smith, J. O. Sawyer 1971-9-18 4794 Siskiyou Hwy. 3 between Callahan and Etna at the turnoff to the Proctor Ranch. Comment
  UCSC004597  Panicum capillare Randall Morgan 2004-8-3 4273 Siskiyou Castle Crags State Park, Sacramento River Comment
  UC630397  Parnassia californica Annetta Carter 1939-8-21 1480 Siskiyou 12 mi sw of Etna (se end of Taylor Lake); Salmon Mountains, Taylor Lake 2026 Comment
  UC642576  Parnassia californica W. Bridge Cooke 1939-8-24 13898 Siskiyou Mount Shasta, area of Squaw Valley Creek meadows Mount Shasta 2286 Comment
  CAS-BOT-BC419730  Parnassia fimbriata Julie Kierstead Nelson; Martin Lenz; Rhonda Posey 2014-8-13 2014 -085 Siskiyou Headwaters of West Fork Parks Creek, adjacent to Road 41N29Y, 2 miles NE of China Mountain, eastern Klamath Ranges. 2194 Comment
  HSC34268  Parnassia fimbriata J. P. Smith, J. O. Sawyer 1973-8-14 7314 Siskiyou Around Cliff Lake 1860 Comment
  CAS-BOT-BC202855  Paxistima myrsinites Doris K. Kildale 1928-7-4 5517 Siskiyou Summit of divide between Sawyers Bar & Etna Mills Comment
  HSC68882  Paxistima myrsinites Maralyn A. Renner 1980-9-1 2756 Siskiyou Trail from Doe Flat to Trout Camp 1098 Comment
  UC1185941  Paxistima myrsinites L. E. Detling 1950-6-9 6598 Siskiyou Black Butte Summit (Hwy. 99) 1188 Comment
  HSC96304  Pedicularis bracteosa var. flavida Gordon Leppig 1998-8-13 1005 Siskiyou Klamath National Forest, Russian Wilderness, Little Duck Lake Fen, in cirque W of Little Duck Lake 2200 Comment
  HSC29251  Pedicularis contorta Frederick W. Oettinger 1968-8-22 599 Siskiyou Marble Mtn. Wilderness Area, below Diamond Lake on way to English Peak 2226 Comment
  RSA183698  Pedicularis contorta Gilbert Muth 1965-8-6 181 Siskiyou Marble Mountains; backside of Black Mountain Comment
  HSC20918  Pedicularis densiflora Dorothy Parker 1949-5-26 Siskiyou Sugar Creek, Salmon Mtns. range 1677 Comment
  POM43422  Pedicularis flavida Geo. D. Butler 1910-7-10 1735 Siskiyou Upper Campbell Lake, Shackleford Creek. 1524 Comment
  RSA211398  Pedicularis flavida William J. Ferlatte 1966-8-17 387 Siskiyou Caribou Basin; Trinity Alps. 1982 Comment
  UC1483483  Pedicularis howellii Maralyn A. Renner 1980-8-31 2639 Siskiyou Poker Flat at trailhead to Twin Valley; Klamath National Forest 1524 Comment
  UCR131623  Pedicularis racemosa L. C. Wheeler 1934-6-12 2702 Siskiyou Siskiyou Mountains, Hungry Creek 1280 Comment
  HSC34300  Pedicularis racemosa J. P. Smith, J. O. Sawyer 1973-8-14 7293 Siskiyou W shore of Campbell Lake 1768 Comment
  POM237116  Pedicularis racemosa Lester Rowntree 1937-8-9 7648 Siskiyou Summit of Happy Camp Rd. Comment
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Feb 3 2011
  RSA239006  Pedicularis racemosa Frederick W. Oettinger 1966-8-7 49 Siskiyou Near Tom Taylor Cabin. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1829 Comment
  RSA425321  Pedicularis semibarbata Bonnie C. Templeton 1964-6-10 10070 Siskiyou Moutain slope of Mt. Shasta.Green Valley Lake, San Bernardino Mountains. Comment
  CAS-BOT-BC67682  Pellaea brachyptera Alice Eastwood 1912-8-30 2092 Siskiyou Mount Eddy Comment
  HSC22280  Pellaea brachyptera J. O. Sawyer 1968-9-10 761 Siskiyou Boulder Peak 1829 Comment
  HSC72948  Pellaea brachyptera M. S. Taylor, Overton 1980-7-8 3090 Siskiyou N side of 40N43 2.4 mi. W of its jct with 40N26, at W end of Lake Siskyou W of Mt. Shasta City 1341 Comment
  UC185226  Pellaea breweri Geo. D. Butler 1910-7-9 1718 Siskiyou Marble Mt 1676 Comment
  UCSB25541  Pellaea mucronata Keefe, Joseph 1967-7-11 Siskiyou Cook and Green Pass Road; 21.3 miles north of Seiad Valley 1310 Comment
  UC922561  Penstemon anguineus Annie M. Alexander and Louise Kellogg 1948-9-9 5597 A Siskiyou trail to Taylor Lake Siskiyou Mountains, trail to Taylor Lake Comment
  HSC63264  Penstemon anguineus M. A. Baker 1979-7-30 1077 Siskiyou Draw W of trail to Rainy Lake Comment
  JEPS7202  Penstemon anguineus W. L. Jepson 1907-7-9 2860 Siskiyou s Preston Peak (near Cottage Grove, on Klamath River, Western Siskiyou Mts., western Siskiyou County); Klamath Range, western Siskiyou Mts., Klamath River Comment
  HSC62464  Penstemon azureus Ruby Van Deventer 1939-7-18 Siskiyou Twin Valley Comment
  CHSC110953  Penstemon davidsonii B. Castro; L. P. Janeway 2007-7-29 1668 Siskiyou High Cascade Range. Medicine Lake Highlands; along the bottom edge of the north side of the northwestern-most lobes of Little Glass Mountain. On N edge USFS Rd 43N48 ca 0.9 mi E of its jcn with the '15 Road'. 1950 Comment
  CAS-BOT-BC265366  Penstemon davidsonii var. davidsonii David D. Keck 1938-8-18 11493 Siskiyou Horse Camp, not too near springs, around the mountain 2286 Comment
  CDA41876  Penstemon deustus T. C. Fuller 1962-6-11 8953 Siskiyou East side of Highway 99 to Weed, 0.7 mile north of Black Butte Summit. 0 Comment
  RSA238830  Penstemon deustus Frederick W. Oettinger 1968-8-15 524 Siskiyou East of Hancock Lake. Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness. 1936 Comment
  RSA78952  Penstemon deustus E. K. Balls, Percy C. Everett 1952-10-12 18179 Siskiyou 3.6 mi W of boundary of Lava Beds Nat'l Monument, road from Indian Well Ranger Station to Tenant. 1372 Comment
  POM194938  Penstemon deustus subsp. deustus D. D. Keck 1927-8-16 990 Siskiyou 4 miles east of Mt Shasta City on west flank of Mt Shasta. 1616 Comment
  RSA11918  Penstemon deustus subsp. heterander Elmer I. Applegate 1932-6-13 7243 Siskiyou Captain Jack's Stronghold, Modoc Lava Beds Comment
  NY609827  Penstemon deustus var. suffrutescens F. W. Pennell 1940-7-16 26161 Siskiyou Route 99; Hornbrook 944.9 Comment
  UC1483538  Penstemon gracilentus J. Sawyer and J. Cole 1980-7-19 3675 Siskiyou near F.S. Road 45N05 in center of section; Klamath National Forest, Medicine Lake Quad. 2017 Comment
  HSC72451  Penstemon heterophyllus J. P. Smith, Steve Selva 1970-6-15 3973 Siskiyou 1 mi. W of junction of Hwy. 3 and Rd. 8 leading to Sugar Creek 1159 Comment
  JEPS11636  Penstemon laetus var. sagittatus W. L. Jepson Jul 17 1902-Jul 22 1902 2067 Siskiyou The Devil's Backbone , The Devil's Backbone (Western Siskiyou) 1828 Comment
  JEPS8387  Penstemon laetus var. sagittatus Rimo Bacigalupi with L. R. Heckard, George Bacigalupi Jr., and Ruth D. Sanderson 1952-6-18 3741 Siskiyou on forest road to Mt. Hebron 17 mi e Montague (along Little Shasta River, near Panther Creek Guard Station); along Little Shasta River, rd to Mt. Hebron, e of Montague 1280 Comment
  SFV17492  Penstemon laetus var. sagittatus P. Wilson 1998-7-25 3550 dup. Siskiyou Trailhead at end of Elk Creek Road. 700 Comment
  CAS-BOT-BC94412  Penstemon newberryi var. berryi R. C. Wenk 2005-7-15 223 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
  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
  NY629980  Penstemon parvulus R. C. F. Bacigalupi 1957-6-26 5964 Siskiyou Canyon of the South Fork of the Sacramento River, at its source in the region immediately south of Mt. Eddy, along very poor mountain road to Gumboot Lake 1432.6 Comment
  UC595134  Penstemon parvulus David D. Keck 1938-8-8 4876 Siskiyou between Scott Mtn. and Craggy Peak (Siskiyou Co. at Trinity Co. line); Scott Mountain Divide 1676 Comment
  NY638946  Penstemon procerus var. brachyanthus I. L. Wiggins 1955-7-27 13526 Siskiyou Caribou Lake, Salmon-Trinity Alps Primitive Area 2042.2 Comment
  HSC68564  Penstemon roezlii Maralyn A. Renner 1980-6-8 796 Siskiyou Slopes E of Hwy. 3 1341 Comment
  HSC82000  Penstemon roezlii Thomas W. Nelson, Jane Nelson 1979-6-16 4853 Siskiyou Along Hwy. 3, 3.1 mi. N of Scott Mtn. Summit 1280 Comment
  POM42981  Penstemon roezlii Geo. D. Butler 1910-6-23 1601 Siskiyou Yreka Creek. Comment
  UC722171  Penstemon rupicola C. L. Hitchcock, J. S. Martin 1939-7-7 5292 Siskiyou Sanger Peak Comment
  SD46702  Penstemon rydbergii var. oreocharis E. K. Balls, L. W. Lenz 1956-6-18 21806 Siskiyou 1.3 mi. se. of Bartle (jct. with rd. to Lava Beds) State Hwy. 89, McCloud to Burney 1219 Comment
  RSA12669  Penstemon speciosus Carl B. Wolf 1934-7-6 6025 Siskiyou West side of Mt Shasta, along Snowline road, 3.3 miles from Mt. Shasta City 1524 Comment
  UC887110  Penstemon speciosus A. A. Heller 1938-7-12 15249 Siskiyou along U.S. Highway #97, 5 mi n Weed; n of Weed Comment
  RSA105469  Penstemon speciosus G. D. Barbe, Milo S. Baker 1955-7-1 78 Siskiyou 7 miles S of Etna on the Westside Rd. to Callahan. 869 Comment
  RSA47610  Penstemon speciosus Roxana S. Ferris, Laura Lorraine 1948-6-12 11729 Siskiyou French Creek logging road west of Callahan. 1067 Comment
  SEINET12267134  Penstemon speciosus H. M. Hall, Babcock, E. B. 4071 Siskiyou Mount Shasta, above Sisson 1067 Comment
  CHSC86659  Perideridia Jenny Marr 1993-7-1 42 Siskiyou Butte Valley Wildlife Area, +/- 7 air miles NW of the town of MacDoel. Meadow NW of Meiss Lake. 1349 Comment
  RSA237652  Perideridia gairdneri subsp. gairdneri Frederick W. Oettinger, R. Thorne 1969-8-8 1304 Siskiyou In boggy meadow below Sundew Bog upper bog holes just west of English Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1829 Comment
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Jun 12 2012
  UC1390007  Perideridia leptocarpa T. I. Chuang, I. Fukuda, and A. Weston 1963-7-6 5881 Siskiyou 3 mi w Cecilville Comment
  UC1390009  Perideridia leptocarpa T. I. Chuang, I. Fukuda, and A. Weston 1963-7-6 5879 Siskiyou 3 mi n Cecilville Comment
  CDA38507  Perideridia oregana D. H. Shaw 1982-7-16 s.n. Siskiyou Butte Valley near Dorris. 0 Comment
  HSC77241  Perideridia oregana L. P. Janeway 1983-7-17 429 Siskiyou Near FS 18N33 about 3/4 mi. from the Grayback Rd. 1006 Comment
  HSC17506  Persicaria lapathifolia Geo. D. Butler 1908-7-8 191 Siskiyou Butler's Ranch. near Yreka Comment
  UC60932  Petasites frigidus var. palmatus Geo. B. Grant Sep 1902 5253 Siskiyou Shasta Springs Mount Shast 609 Comment
  JEPS1963  Phacelia egena Geo. D. Butler 1909-5-23 735 Siskiyou near Yreka Comment
  HSC13708  Phacelia greenei J. T. Howell 1952-6-14 28340 Siskiyou East side of Scott Valley, 9.5 miles from Fort Jones on road to Callahan 854 Comment
  UC144627  Phacelia hastata A. A. Heller 1905-6-20 8080 Siskiyou Gazelle Comment
  UC60950  Phacelia hastata subsp. compacta Geo. B. Grant September 1902 5126 Siskiyou Horse Camp Mount Shasta 2438 Comment
  CHSC97391  Phacelia hastata subsp. hastata Jenny Marr 2006-6-18 227 Siskiyou Cascade Range High. Plants collected along Hwy. 97. 1524 Comment
  JEPS95406  Phacelia hastata subsp. hastata Vernon H. Oswald and L. Ahart 1994-8-10 6449 Siskiyou T40N R2W NW1/4 SW1/4 Sec. 34, 3440 ft, Yellow Pine Forest. Pilgrim Creek Rd. (FS13) at the railroad crossing 0.9 mi N of Hwy. 89, ca. 3 mi (air) ENE of McCloud 1048 Comment
  JEPS2089  Phacelia heterophylla subsp. virgata Geo. D. Butler 1908-8-8 408 Siskiyou summit s Marble Mtn. 1828 Comment
  JEPS22202  Phacelia heterophylla subsp. virgata Rimo Bacigalupi with Drs. Reino and Aloha Alava 1958-9-1 6783 Siskiyou just below McBride Springs (lower slopes of mt.); Mt. Shasta 1493 Comment
  UC1602166  Phacelia heterophylla subsp. virgata Harley P. Chandler June 1901 1722 Siskiyou Shackleford Canyon North Coast Ranges, ridges and meadows near Marble Mountain 1828 Comment
  POM73592  Phacelia heterophylla subsp. virgata Geo. D. Butler 1910-5-7 1300 Siskiyou Near Yreka. Comment
  RSA170220  Phacelia heterophylla subsp. virgata W. L. Jepson 1940-6-23 19983 Siskiyou Two miles east of Montague. 823 Comment
  RSA211171  Phacelia humilis var. humilis W. J. Ferlatte 257 Siskiyou Mountain Meadow Ranch. 1524 Comment
  HSC41644  Phacelia mutabilis William J. Ferlatte 1966-8-4 306 Siskiyou Dorleska summit 2134 Comment
  RSA238770  Phacelia mutabilis Frederick W. Oettinger 1968-8-16 546 Siskiyou On Little Medicine Mountain due N of Hancock Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1982 Comment
  UC192004  Phacelia pringlei Lemmon Sept. 1879 Siskiyou near Mt. Shasta Comment
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Aug 13 2011
  HSC13730  Phacelia pringlei Lincoln Constance, H. L. Mason 1950-7-15 3358 Siskiyou West shoulder of Scott Mtn. above road-summit 1829 Comment
  UC1023833  Phacelia pringlei Douglas Barbe 1955-7-26 276 Siskiyou spring on n slope Klamath Mountains, Scott Mtn. 1828 Comment
  CAS-BOT-BC141449  Phacelia ramosissima var. eremophila Elmer I. Applegate 1935-6-5 9300 Siskiyou Capt. Jack's Stronghold, Lava Beds National Monument Comment
  HSC29459  Philadelphus californicus Frederick W. Oettinger 1968-9-8 793 Siskiyou Marble Mtn. Wilderness Area, E side of Abbott's Lake 1738 Comment
  RSA782328  Philadelphus californicus R. W. Spjut, Paul Burchstead 2008-6-12 16343 Siskiyou Klamath Region. Klamath National Forest: along North Fork of the Salmon River, east of the Forks of the Salmon 629 Comment
  UC329950  Philadelphus lewisii unknown 1889-6-26 Siskiyou Edgwood Comment
  HSC92026  Phleum alpinum Jennifer Whipple 1976-7-8 1337 Siskiyou Mount Eddy. Comment
  RSA211245  Phleum alpinum William J. Ferlatte 1967-8-23 1110 Siskiyou Kidd Creek Trail. Trinity Alps. 2134 Comment
  UCD37075  Phleum alpinum Beecher Crampton 1956-8-21 3806 Siskiyou Siskiyou County, 15 miles southwest of city of Mount Shasta, slope above Gumboot Lake, headwater of south fork of Sacramento River. 1920 Comment
  CAS-BOT-BC250952  Phleum pratense Wm. Bridge Cooke 1938-7-15 11201 Siskiyou Mount Shasta. Along creeks in Bear Springs Comment
  HSC4773  Phleum pratense William J. Ferlatte 1966-8-16 372 Siskiyou Big Flat, between campground and S Fork of the Salmon River. 1524 Comment
  RSA239100  Phleum pratense Frederick W. Oettinger 1968-9-5 738 Siskiyou Bear Meadow, Tom's Lake region. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2188 Comment
  UC618877  Phleum pratense W. Bridge Cooke 1938-8-19 11528 Siskiyou Lower Bear Spring Mount Shasta (Mount Shasta); , Lower Bear Spring 1524 Comment
  CHSC1303  Phlox caespitosa V. Holt 1932-6-26 Siskiyou Mt. Eddy. 2743 Comment
  HSC17163  Phlox diffusa Marion Ownbey, Ruth Ownbey 1938-7-20 1762 Siskiyou Near Dry Lake Lookout, summit of Siskiyou Mts. Comment
  RSA211156  Phlox diffusa subsp. diffusa William J. Ferlatte 1966-6-23 128 Siskiyou Trinity Alps: Yellow Rose Mine. 1982 Comment
  RSA233661  Phlox douglasii subsp. rigida R. F. Thorne, Frederick W. Oettinger 1969-8-10 3900 Siskiyou Mount Shasta National Forest; south slope of Mt. Shasta at base of boulders. 2378 Comment
  HSC82284  Phlox speciosa subsp. occidentalis Thomas W. Nelson, Jane P. Nelson 1979-6-15 4804 Siskiyou Along road to Carmen Lake, 0.6 mi. from junction with State Route. 1646 Comment
  JEPS46197  Phlox speciosa subsp. occidentalis Duncan Dunning 1922-6-6 Siskiyou nw of Fort Jones; Moffett Creek Comment
  UCD77915  Phoenicaulis cheiranthoides Robert E. Preston 2002-6-20 1861 Siskiyou Klamath National Forest, Rainbow Mountain W ridge, on E-facing slope 1960 Comment
  CAS-BOT-BC56483  Phyllodoce empetriformis Robert F. Thorne; Fred Oettinger 1969-8-10 39002 Siskiyou Mt. Shasta National Forest: S slope of Mt. Shasta 2438 Comment
  CAS-BOT-BC56502  Phyllodoce empetriformis Geo. B. Grant 1902-9-7 s.n. Siskiyou Horse Camp, Mt. Shasta, N. Cal. 2438 Comment
  POM131811  Phyllodoce empetriformis E. B. Copeland 1902-8-18 3899 Siskiyou Mt. Eddy 2591 Comment
  UC1121050  Phyllodoce empetriformis H. A. Jensen 1933-10-5 361 Siskiyou Shasta National Forest, slope of Shastina Shastina; Shasta National Forest, Shastina 2590 Comment
  SEINET7270871  Phyllodoce empetriformis H. A. Jensen 1933-9-5 s.n. Siskiyou Slope of Shastina 2591 Comment
  CDA5830  Physalis longifolia T. C. Fuller, Don Shaw 1977-8-3 20221 Siskiyou South of Willow Creek Road, 10 km northeast of Montague. 0 Comment
  CAS-BOT-BC60778  Physaria occidentalis Lincoln Constance; Herbert L. Mason; J. F. Davidson; J. M. Tucker 1947-5-17 3199 Siskiyou Summit of northwest spur of Scott Mountain. 1828 Comment
  CAS-BOT-BC210239  Physaria occidentalis subsp. occidentalis Dana York 2011-8-12 3040 Siskiyou Marble Mountain Wilderness. Klamath National Forest, Marble Mountain 2075 Comment
  CAS-BOT-BC140491  Physocarpus Alice Eastwood 1921-7-24 10743 Siskiyou Castle Lake Comment
  CAS-BOT-BC78161  Picea breweriana W. R. Dudley 1901-8-18 s.n. Siskiyou Salmon Mountains Comment
  JEPS46725  Picea breweriana W. L. Jepson 1907-7-6 Siskiyou 2 mi w Marble Mt. (at head of stream flowing into Klamath) Comment
  CAS-BOT-BC78168  Picea breweriana W. R. Dudley 1899-7-6 s.n. Siskiyou South slope Siskiyou near Big Meadow Comment
  NY30480  Picea breweriana A. Bell 1963-8-17 s.n. Siskiyou This specimen represents an endangered or threatened species. The specific locality has been removed from this record to protect this species from over-collection. These data may be supplied to researchers on request. Comment
  SBBG33683  Picea breweriana W. Plumb 1969-9-25 Siskiyou ca. 1 mi on rd from Happy Camp to Oregon border Comment
  SEINET10530614  Picea breweriana D. V. Hemphill 1968-10-27 Hemphill UMO 107773 Siskiyou Chimney Rock Lake, Klamath National Forest. Forks of Salmon Quadrangle. 1890 Comment
  RSA31098  Picea engelmannii L. E. Berriman 1940-8-30 s.n. Siskiyou Sugar Creek, a tributary of the Scott River; Mount Diablo Meridian 1433 Comment
  HSC1552  Pinus albicaulis J. F. Knezevich 1967-6-3 182 Siskiyou Mt. Shasta NE of the ski lodge, 300 ft. higher than the lodge 2500 Comment
  RSA184701  Pinus albicaulis Gilbert Muth 1966-8-6 177 Siskiyou Ridges of the Marble Rim, Marble Mountains. 2134 Comment
  JEPS88716  Pinus attenuata W. L. Jepson 1902-7-1 Siskiyou Trinity Summit to Salmon Summit; Devil's Backbone Comment
  RSA12507  Pinus attenuata C. B. Wolf 1934-7-4 5929 Siskiyou 3/10 mile below Walker Creek, Klamath River. Comment
  UC70582  Pinus attenuata Mrs. Stirring May 1905 Siskiyou Etna Comment
  CAS-BOT-BC73307  Pinus balfouriana Peter H. Raven 1956-9-4 10391 Siskiyou Ridge s. of Mt. Eddy. 2651 Comment
  HSC1364  Pinus balfouriana R. J. Mastrogiuseppe 1967-6-30 Siskiyou Slope of Mt. Eddy near Deadfall Lake, Bulk Collection # 93 2226 Comment
  UC1313007  Pinus jeffreyi J. M. Tucker 1963-8-18 3768 Siskiyou just above the saddle between Marble sw ridge of Black Mountain; Marble Mountain Wilderness Area 2103 Comment
  CAS-BOT-BC78779  Pinus lambertiana W. R. Dudley 1899-8-9 s.n. Siskiyou Side of Black Butte Comment
  JEPS46822  Pinus lambertiana W. L. Jepson 1907-7-22 Siskiyou from Scott Bar to Scott Valley (Miamber Trail); Miamber Trail Comment
  JEPS101155  Piperia unalascensis Dean W. Taylor 1996-6-18 15700 Siskiyou Scott Mountains; bordering Shasta Valley, hillslopes about 4 miles south of Gazelle; Shasta-Trinity National Forests 1249 Comment
  CAS-BOT-BC228037  Plagiobothrys A. A. Heller 1929-5-4 14855 Siskiyou Along US Highway 99 about 3 miles S of Yreka Comment
  UC164106  Plagiobothrys nothofulvus Geo. D. Butler 1910-4-10 1164 Siskiyou near Yreka Comment
  HSC58932  Plantago lanceolata Marvin Butler 1971-8-11 304 Siskiyou Near Cyclone Gap, close to town of Cave Junction 1677 Comment
  HSC22310  Platanthera dilatata var. leucostachys J. O. Sawyer 1969-7-26 1584 Siskiyou SE facing slope near S Sugar Creek 1700 Comment
  RSA382924  Platanthera sparsiflora M. B. Dunkle 1945-07 9257 Siskiyou Klamath National Forest; Marble Mts. Comment
  HSC30473  Pleuricospora fimbriolata Frederick W. Oettinger 1969-8-23 1514 Siskiyou Hill above Smith Lake , Salmon Mtns. 1418 Comment
  UCD92173  Poa A. A. Beetle; G. L. Stebbins 1942-6-1 3449 Siskiyou 25 miles north of Happy Camp. Comment
  UCD90539  Poa bolanderi Beecher Crampton 1956-8-21 3810 Siskiyou 15 to 16 miles southwest of city of Mount Shasta. Gumboot Lake, headwater of south fork of Sacramento River. 1920 Comment
  JEPS84092  Poa grandis L. R. Heckard with J. Hickman et al. 1986-7-17 6525 Siskiyou e Condrey Mt; Alex Hole region 1980 Comment
  CAS-BOT-BC246633  Poa howellii Alice Eastwood 1923-5-27 11950 Siskiyou Shasta Springs, on road to McCloud Comment
  CAS-BOT-BC256021  Poa pratensis John Thomas Howell 1937-7-23 13347 Siskiyou South Fork of Salmon River near Big Flat 1524 Comment
  UC1132719  Poa pratensis subsp. pratensis H. A. Jensen 1933-7-27 333 Siskiyou Grey Butte; Shasta Nat'l Forest, Dunsmuir Quadrangle Comment
  CAS-BOT-BC247528  Poa pringlei A. A. Heller 1921-7-7 13566 Siskiyou Slope west of Wagon Creek, Mt. Eddy 2133 Comment
  CAS-BOT-BC443956  Poa pringlei Dana York 2012-7-21 3142 Siskiyou Siskiyou Mountains. Klamath National Forest, Siskiyou Mountains, a few meters below summit of Red Butte. 2040 Comment
  HSC39849  Poa rhizomata J. P. Smith 1973-5-5 6518 Siskiyou Along Cook and Green Pass Rd. Comment
  RSA578034  Poa secunda L. C. Wheeler 1935-5-18 3498 Siskiyou Siskiyou Mountains; Yreka Creek (Mt. Diablo Mer.) 854 Comment
  UCD105959  Poa secunda Jesse Miller 2010-1 s.n. Siskiyou Near Yreka.. 1219 Comment
  UCD92392  Poa secunda subsp. juncifolia Mr. Roseman 1913-1 33 Siskiyou Butte Valley. Comment
  CAS-BOT-BC243215  Poa secunda subsp. secunda John Thomas Howell 1939-8-2 14912 Siskiyou Spirit Lake, Marble Mountains 1828 Comment
  CAS-BOT-BC243241  Poa secunda subsp. secunda Gilbert J. Muth 1969-8-6 1213 Siskiyou Boulder Peak Comment
  CAS-BOT-BC243242  Poa secunda subsp. secunda Louis C. Wheeler 1934-8-9 3076 Siskiyou Jaynes Canyon, Klamath Forest 1920 Comment
  CHSC88405  Poa secunda subsp. secunda Jenny Marr 1993-7-1 164 Siskiyou Butte Valley Wildlife Area, +/- 7 air miles NW of the town of MacDoel. Meadow NW of Meiss Lake. 1349 Comment
  HSC27478  Poa secunda subsp. secunda J. P. Smith, J. O. Sawyer 1972-5-28 5383 Siskiyou 0.2 mi. E of Butcher Gulch on the Cecilville-Forks of Salmon road. 732 Comment
  UC1037087  Poa secunda subsp. secunda Leo Whitney 1934-6-29 2224 Siskiyou near Tennant (Antelope Creek) 1463 Comment
  UCD90494  Poa secunda subsp. secunda A. A. Beetle; G. L. Stebbins Jr. 1942-5-31 3433 Siskiyou 4 miles W of Hamburg, mouth of Kuntz Creek. Comment
  HSC30560  Poa wheeleri Frederick W. Oettinger 1969-9-4 1666 Siskiyou Salmon Mtns., S side of Tobacco Lake. 1829 Comment
  HSC92030  Poa wheeleri Jennifer Whipple 1976-7-2 1274 Siskiyou Ridge west of Dobkins Lake 2317 Comment
  CAS-BOT-BC244323  Podagrostis humilis L. P. Janeway 1983-8-16 557 Siskiyou Siskiyou Mountains, at Poker Flat 1524 Comment
  UCD52736  Podagrostis humilis A. H. Murphy 1954-8-11 54 D Siskiyou Round Meadow, Klamath National Forest, USFS. Comment
  JEPS100989  Pogogyne zizyphoroides Dean Wm. Taylor with Glenn Clifton 1990-6-12 10870 Siskiyou Adobe Flat Reservoir, ca. 5 miles N of Timbered Crater, 1075 Comment
  SEINET4244390 Image available Polemonium californicum J. M. Tucker 1963-7-7 3725 Siskiyou Paradise Lake, at base of King's Castle, east side of Marble Mountain Wilderness Area Comment
  CAS-BOT-BC230031  Polemonium carneum F. M. A. 1894-7-1 s.n. Siskiyou Siskiyou Mountains near Siskiyou 1524 Comment
  UC939437  Polemonium carneum E. L. Greene 1876-6-5 796 Siskiyou near Yreka; near Yreka Comment
  SBBG112732  Polemonium pulcherrimum var. pilosum E. White 1998-8-26 698 -2 Siskiyou near Helen Lake, Mt Shasta; T41N, R3W, S20, NE/4 of NE/4 3169 Comment
  CAS-BOT-BC6423  Polemonium tricolor Harley Pierce Chandler 1901-6-1 1671 Siskiyou North Coast Ranges, Marble Mountain 2438 Comment
  HSC35801  Polygala cornuta J. O. Sawyer 1969-9-18 2389 Siskiyou Midslope above CCC Rd. 1494 Comment
  CAS-BOT-BC414313  Polygonum aviculare subsp. neglectum R. E. Frenkel 1963-7-15 226 Siskiyou On Everitt Memorial Highway near Mount Shasta, 4.7 miles north of McCloud River RR crossing 1545 Comment
  CAS-BOT-BC414314  Polygonum aviculare subsp. neglectum Geo. D. Butler 1908-8-28 190 Siskiyou Old mining dump near Oro Fino Comment
  RSA237749  Polygonum bistortoides Frederick W. Oettinger 1967-8-20 295 Siskiyou Just below Tom Taylor Cabin Spring. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. Comment
  CDA2789  Polygonum cuspidatum T. C. Fuller 1963-8-26 11152 Siskiyou Dunsmuir Grade, Highway 99 to Mt. Shasta Cuty, 0.5 mile north of the limits of Dunsmuir. 0 Comment
  JEPS50534  Polygonum davisiae Chesnut and Drew 1890-1 Siskiyou Mt. Shasta and Lassen's Peak Trip Comment
  HSC19292  Polygonum douglasii J. O. Sawyer 1969-7-24 1495 Siskiyou NE facing seep SW of Sugar Lake 1890 Comment
  JEPS51267  Polygonum douglasii Willis L. Jepson Jul 24 1894-Aug 10 1894 Siskiyou Mount Muir Region of the Upper Sacramento (= Black Butte near Sisson) Comment
  UC1950092  Polygonum douglasii Barbara Ertter 1990-7-14 9310 Siskiyou E side of 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, steep E-facing serpentine hillside Comment
  POM104494  Polygonum douglasii Geo. D. Butler 1910-7-14 1779 Siskiyou Shackleford Creek. 1220 Comment
  CAS-BOT-BC418597  Polygonum minimum Geo. D. Butler 1910-7-13 1776 Siskiyou Shackleford Creek 1219 Comment
  HSC93007  Polygonum minimum Jennifer Whipple 1977-8-6 2230 Siskiyou Dale Creek drainage on the N face of Mt. Eddy 2195 Comment
  CAS-BOT-BC418592  Polygonum minimum Doris K. Kildale 1928-7-4 5538 Siskiyou 1 1/2 miles east of summit of divide between Sawyers Bar & Etna Comment
  JEPS93884  Polygonum polygaloides subsp. confertiflorum Vernon H. Oswald and Lowell Ahart 1998-7-21 9335 Siskiyou 0.4 mi se of Old State Highway to Bray (ne of Weed and e of Grass Lake at a gravel pit on s side of Tennant Road); Tennant Road 1402 Comment
  UC672954  Polygonum polygaloides subsp. kelloggii Joseph P. Tracy 1935-8-1 14401 Siskiyou on ridge between Salmon River and New River (at extreme head of Knownothing Creek); Rock Lake 1889 Comment
  CAS-BOT-BC109281  Polygonum shastense A. A. Heller 1939-7-27 15433 Siskiyou Mount Shasta. Border of Panther Meadow, upper edge of the Canadian Life Zone. 2438 Comment
  HSC30504  Polygonum shastense Frederick W. Oettinger 1969-9-3 1611 Siskiyou Marble Mtn. Wilderness Area, Shasta Ridge N below English Peak 2134 Comment
  JEPS40856  Polygonum shastense Paul C. Hutchison 1962-8-2 935 Siskiyou between Panther Meadow and top of ski lift; Mt. Shasta 2621 Comment
  RSA659528  Polygonum shastense Gary D. Wallace 1990-7-1 2948 Siskiyou Mount Shasta: Panther Meadow, campground on AAA map. 2256 Comment
  SD53344  Polygonum shastense Darley F. Howe 1962-8-6 3409 Siskiyou Mt. Shasta 2438 Comment
  SEINET3404056 Image available Polygonum shastense R. Tofsrud, J. M. Tucker 1948-8-2 1765 Siskiyou Panther Meadows, S slope of Mt. Shasta Comment
  UC1037193  Polygonum shastense Leo Whitney 1934-6-17 1508 Siskiyou Mt. Shasta; n side 3048 Comment
  RSA144972  Polygonum spergulariiforme E. B. Copeland 1903-7-6 3499 Siskiyou Hornbrook. Comment
  SBBG29117  Polygonum spergulariiforme L. C. Wheeler 1934-9-26 3303 Siskiyou Siskiyou Mtns; R8W, T$&N, S27 1005 Comment
  UCD100666  Polygonum spergulariiforme Ferdinand Brown 1936-7-13 s.n. Siskiyou Dunsmuis. Comment
  HSC46074  Polypodium californicum J. P. Smith, Steve Selva 1970-6-14 3877 Siskiyou Road to Steinacher Creek near Somes Bar. Comment
  SBBG27533  Polypodium glycyrrhiza L. Constance, R. C. Rollins 1942-5-13 2908 Siskiyou Klamath River, 4 mi E of Seiad 457 Comment
  UC1495294  Polystichum imbricans subsp. imbricans Robert T. Clausen and Harold Trapido 1940-7-28 4984 Siskiyou ca. 12 mi s Hamburg (1 mi up Canyon Creek canyon from Scott River, e side of corral); Klamath Mts., Klamath River Basin 762 Comment
  CAS-BOT-BC72390  Polystichum lemmonii G. J. Muth 1969-8-10 1339 Siskiyou Red Mt. Ridge 2438 Comment
  CAS-BOT-BC94536  Polystichum lemmonii R. C. Wenk 2006-7-23 527 Siskiyou Trinity Alps, Coffee Creek Road, Big Flat Meadow. Allong Yellow Rose Mine trail to Dorleska Mine. Growing on barren 2118 Comment
  CHSC106833  Polystichum lemmonii Barbara Ertter 1990-7-16 9374 Siskiyou NW side of Mt Eddy ca 8 airmiles SW of Weed, ca1-2 mi E of Park Cr Trailhead (=crest of Rt 17) along ridge, rivulet and stringer meadow on steep N-facing rocky slope. 2286 Comment
  HSC34364  Polystichum lemmonii J. P. Smith, J. O. Sawyer 1973-8-14 7308 Siskiyou On trail from Campbell Lake to Cliff Lake 1829 Comment
  CAS-BOT-BC72374  Polystichum lemmonii K. T. Stillman 1976-6-26 115 Siskiyou Marble Mountain Wilderness Area, Scott Bar quad. 2011 Comment
  RSA756838  Polystichum lemmonii Barbara Ertter 1990-7-16 9374 Siskiyou NW side of Mount Eddy, 8 air miles SW of Weed, 1-2 miles from Parks Creek trailhead (=crest of Rt 17) along ridge 2287 Comment
  CAS-BOT-BC72405  Polystichum lonchitis John Thomas Howell 1939-8-3 14991 Siskiyou Spirit Lake, Marble Mts. 1828 Comment
  HSC1147  Polystichum lonchitis Dorothy Parker 1949-7-10 336 Siskiyou Above Paradise Lake, Salmon Mtn. 1982 Comment
  HSC19182  Polystichum lonchitis J. O. Sawyer 1968-7-2 352 Siskiyou Upper Drainage of Joe Creek 1677 Comment
  JEPS84113  Polystichum lonchitis L. R. Heckard with S. D'Alcamo, J. Hickman, S. Winchester 1986-7-16 6417 Siskiyou ca. 5 mi. n. town of Seiad Valley (e. slope of Kangaroo Mt., cirque at head of Hell's Canyon); Kangaroo Mt., Hell's Canyon 1828 Comment
  UC1313058  Polystichum lonchitis J. M. Tucker 1963-8-19 3772 Siskiyou headwaters of Canyon Creek; Marble Mt. Wilderness Area 1950 Comment
  UC1334021  Polystichum lonchitis Dorothy Parker 336 Siskiyou above Paradise Lake; Siskiyou Mts., Salmon Mt. 1981 Comment
  UC371162  Polystichum munitum G. D. Butler 1908-8-24 245 Siskiyou Eldridge's Corral; Russian Creek 1219 Comment
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Jan 13 2007
  HSC27007  Polystichum scopulinum J. P. Smith, J. O. Sawyer 1972-9-12 5771 Siskiyou Scott Mtn., slopes E of Big Carmen Lake 1982 Comment
  RSA85049  Polystichum scopulinum L. C. Wheeler 1934-8-6 3059 Siskiyou Siskiyou Mountains: Rocky Gulch off Jaynes Canyon. Mt. Diablo Mer. 1829 Comment
  CAS-BOT-BC102765  Populus tremuloides Doris K. Kildale 1928-7-4 5545 Siskiyou 1 1/2 miles east of summit of divide between Salmon River & Scott Valley Comment
  RSA184758  Populus tremuloides Gilbert Muth 1966-7-19 420 Siskiyou Black Mountain Trail. Meadow above Marble Valley. Marble Mountains. 1860 Comment
  CAS-BOT-BC102955  Populus trichocarpa L. E. Smith 1918-4-29 s.n. Siskiyou Yreka Comment
  SEINET10460782  Porterella carnosula H. W. Furlong Furlong s.n. Siskiyou Northern California, Summit to Ager; Ager is about 10 mile (airline) south of the Oregon border and about 11 miles (by road) north of Montague Comment
  HSC29332  Potamogeton berchtoldii Frederick W. Oettinger 1969-8-18 1417 Siskiyou Marble Mtn. Wilderness Area, NW shore of Horse Range Lake 1822 Comment
  UC202562  Potamogeton illinoensis Geo. D. Butler 1910-8-21 1853 Siskiyou Shasta River Comment
  CDA26068  Potentilla anserina D. L. Janssen, F. D. Horn 1978-6-16 Siskiyou Just west of Bray. 0 Comment
  CAS-BOT-BC143181  Potentilla breweri John Thomas Howell 1939-8-2 14903 Siskiyou Spirit Lake, Marble Mts. 1828 Comment
  RSA0005664  Potentilla cristae William J. Ferlatte 1988-8-10 2115 Siskiyou North-facing slope E of Cory Peak, above headwaters of Cabin Meadow Creek. 2195 Comment
  RSA261500  Potentilla drummondii J. M. Tucker 1974-7-28 4320 Siskiyou Haypress Meadows, Marble Mtn Wilderness Area. 1463 Comment
  CAS-BOT-BC143260  Potentilla flabellifolia David Keck 1938-9-8 11626 Siskiyou Springs in the South Gate Comment
  POM34962  Potentilla glandulosa subsp. ashlandica Geo. D. Butler 1910-7-8 1658 Siskiyou Shakleford Creek 1372 Comment
  HSC61837  Potentilla gracilis Ruby Van Deventer 1939-7-18 Siskiyou Poker Flat 1585 Comment
  UC1409339  Potentilla gracilis var. fastigiata Frederick W. Oettinger 1968-9-10 816 Siskiyou Horse Range Lake meadow Salmon Mountains, Marble Mountain Wilderness Area (High Lake Basins in the vicinity of English Peak, Salmon Mountains, Marble Mountain Wilderness Area, W Siskiyou Co.) 1828 Comment
  UC375387  Potentilla gracilis var. fastigiata Geo. D. Butler 1907-6-13 923 Siskiyou Near Oro Fino. Comment
  HSC78221  Potentilla gracilis var. fastigiata L. P. Janeway 1983-8-28 628 Siskiyou At Poker Flat. Dry W side of lower portion of meadow. 1524 Comment
  POM34598  Potentilla gracilis var. fastigiata Geo. D. Butler 1910-5-28 1419 Siskiyou Shasta Valley. Comment
  RSA237628  Potentilla gracilis var. fastigiata Frederick W. Oettinger 1968-9-10 816 Siskiyou Horse Range Lake meadow. Salmon Mtns. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1829 Comment
  UC164062  Potentilla gracilis var. gracilis Geo. D. Butler 1910-5-28 1419 Siskiyou Shasta Valley Comment
  UC1733684  Potentilla millefolia Kay H. Beach, Frank Gould 1940-5-16 644 Siskiyou about 24 mi N of Weed (on the road to Klamath Falls) Comment
  CAS-BOT-BC158534  Potentilla millefolia David D. Keck 1949-7-19 6345 Siskiyou 2 mi. S. of Grenada, along R.R. right-of-way 777 Comment
  SEINET13710513  Potentilla millefolia Lowell William Ahart, Lowell William Ahart 1998-1 9342 Siskiyou Me of Weed and E of Grass Lake on S Side of Tennant Rd. 0.2 Mi. of Old State Hwy. to Bray (T44N, R1W, sec 30, SE 1/4) 4600 Ft. 1402 Comment
  CAS-BOT-BC143317  Potentilla newberryi Lillian S. Mott 1967-7-2 LM 6761 Siskiyou Along highway near Dorris 1524 Comment
  CHSC71326  Potentilla newberryi Vernon H. Oswald 1998-6-27 9241 Siskiyou Dry Lake on the south side of Tennant Rd. ca. 9 air mi east of Grass Lake, ca. 22 air mi northeast of Weed. Meadow near the edge of the lake. 1402 Comment
  HSC68391  Prosartes hookeri Maralyn A. Renner 1980-6-26 1249 Siskiyou SE edge of Flint Valley. 1390 Comment
  UCLA49010  Prunella vulgaris W. Bridge Cooke 1940-8-2 15401 Siskiyou Bear Springs Mount Shasta; , Bear Springs Comment
  HSC67709  Prunella vulgaris subsp. lanceolata John Palmer 1980-7-24 609 Siskiyou Klamath National Forest, Elk Hole 1503 Comment
  CHSC1583  Prunus emarginata M. Yoder 1941-7-6 Siskiyou Castle Lake. 1981 Comment
  HSC43377  Prunus emarginata Maralyn O'Meara 1974-5-26 453 Siskiyou Chandler Glade along USFS Rd. 47N03 1768 Comment
  HSC90549  Prunus emarginata Jennifer Whipple 1977-8-6 2202 Siskiyou W side of Dobkins Lake 2073 Comment
  RSA453223  Prunus emarginata Bonnie C. Templeton 1957-6-22 s.n. Siskiyou Along the Scott River, north of Callahan. Comment
  UC166616  Prunus emarginata Geo. D. Butler 1909-5-2 711 Siskiyou Humbug Divide Comment
  UC861018  Prunus emarginata John Thomas Howell 1939-8-4 15029 Siskiyou between Elk Mountain and Marble Rim (Marble Mountains); Marble Mountains Comment
  UCSB62934  Prunus emarginata Sarr, Dan 1995-7-31 Siskiyou Upper falls of the McCloud River 950 Comment
  RSA15594  Prunus virginiana var. demissa Carl B. Wolf 1927-8-27 1114 Siskiyou On the Klamath River, Happy Camp. Comment
  CAS-BOT-BC356386  Pseudognaphalium beneolens Geo. B. Grant 1902-9-6 5075 Siskiyou Sisson Comment
  CAS-BOT-BC80171  Pseudotsuga menziesii Doris K. Kildale 1928-8-18 6431 Siskiyou North Fork Salmon River at Finley Camp Comment
  CHSC69077  Pterospora andromedea Vernon Oswald; Lowell Ahart 1997-7-28 8780 Siskiyou Forest Route 56 (42N56) 3.7 mi east of Forest Route 49, edge of Burnt Lava Flow Virgin Area at Yellow Jacket Ice Cave. 1755 Comment
  JEPS59082  Pterospora andromedea Willis L. Jepson Jul 24 1894-Aug 10 1894 14667 Siskiyou Sisson's Comment
  JEPS82432  Pterospora andromedea Gilbert Muth 1966-7-29 464 Siskiyou Marble Valley Marble Mt. Wilderness Area (by waterfall) 1828 Comment
  UC166596  Pterospora andromedea Geo. D. Butler 1910-8-7 1817 Siskiyou Humbug Mountain 1219 Comment
  UC375217  Pterospora andromedea Geo. D. Butler 1908-7-20 35 Siskiyou Long Gulch; head, near Yreka Comment
  CAS-BOT-BC460548  Pterospora andromedea L. E. Smith 1913-7-19 472 Siskiyou Downey Butte Comment
  CDA32665  Puccinellia distans L. Ahart, J. Dittes 2005-6-9 12002 Siskiyou About 300 yards east of where cattle water in the Shasta River, about 3/5 mile (air) south of Highway 99/97 Cutoff, about 2 1/2 miles (air) east-southeast of Grenada. Comment
  JEPS107662  Puccinellia lemmonii Lowell Ahart, John Dittes 2005-6-9 12006 Siskiyou Meadow area along a small drainage, on the east side of a poor rock fence, about 300 yards east of where cattle water in the Shasta River, about 3/5 mile (air) south of Highway 99/97 Cutoff, about 2 1/2 miles (air) east-southeast of Grenada 774 Comment
  CAS-BOT-BC147910  Purshia tridentata var. tridentata S. Saufferer 1973-5-25 230 Siskiyou About 2 mi. northeast of Weed along Highway #97 Comment
  UC456120  Pycnanthemum californicum I. J. Condit 1911-7-13 Siskiyou Dunsmuir Comment
  CAS-BOT-BC460861  Pyrola aphylla Wm. Bridge Cooke 1937-8-13 9217 Siskiyou Mount Shasta. Sisson Southern Trail 1676 Comment
  CAS-BOT-BC460862  Pyrola aphylla W. R. Dudley 1893-6-21 s.n. Siskiyou Sides of Mt. Shasta Comment
  CAS-BOT-BC460867  Pyrola aphylla G. P. Rixford no date on label s.n. Siskiyou Hilt Comment
  CAS-BOT-BC460869  Pyrola aphylla Alice Eastwood 1923-5-27 11949 Siskiyou Shasta Springs Comment
  CAS-BOT-BC460871  Pyrola aphylla L. E. Smith 1914-7-3 734 Siskiyou Sisson Comment
  RSA0080539  Pyrola crypta G. D. Barbe 1955-7-26 269 Siskiyou On northwest slope of Scott Mtn. 1829 Comment
  RSA0080540  Pyrola crypta Frederick W. Oettinger 1969-8-31 1570 Siskiyou North side of English Peak along Tanner's Peak Trail. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2134 Comment
  CAS-BOT-BC466128  Pyrola picta Alice Eastwood 1921-7-26 10859 Siskiyou Soda Creek Comment
  HSC19198  Pyrola picta J. O. Sawyer 1968-6-25 340 Siskiyou 1646 Comment
  HSC85687  Pyrrocoma racemosa var. pinetorum J. P. Smith 1980-8-24 10349 Siskiyou Klamath National Forest; SR 3, 2.4 mi. from Scott Mtn. summit 1341 Comment
  JEPS109773  Pyrrocoma racemosa var. pinetorum Dean W. Taylor 2002-7-27 18279 Siskiyou Highway 3 2.3 miles North of Scott Mountain Summit 1386 Comment
  JEPS83896  Quercus Wayne Roderick Jul 1976 Siskiyou vicinity Cook and Green Pass (along trail to Copper Butte); Siskiyou Mountains Comment
  HSC36690  Quercus chrysolepis Brent Whitely 1975-6-21 15 Siskiyou 223 Comment
  UC1332425  Quercus chrysolepis unknown 1940-6-27 15197 Siskiyou along the old Hotlum Road Mount Shasta Comment
  RSA13724  Quercus garryana Louis C. Wheeler 1934-10-7 3312 Siskiyou Siskiyou County: Oak Knoll Ranger Station, Klamath River, Siskiyou Mtn. 671 Comment
  CAS-BOT-BC62757  Quercus garryana var. breweri John Thomas Howell 1937-7-23 13353 Siskiyou Soth Fork of Salmon River near Big Flat 1524 Comment
  JEPS37953  Quercus garryana var. breweri Geo. D. Butler 1908-8-16 233 Siskiyou e of Yreka Comment
  RSA237384  Quercus garryana var. breweri Frederick W. Oettinger 1968-9-5 703 Siskiyou Above English Lake, about halfway up to Diamond Lake along the trail from English Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1890 Comment
  CAS-BOT-BC105471  Quercus kelloggii Marion Ownbey; Fred G. Meyer 1940-7-7 2214 Siskiyou Cayenne Ridge, Marble Mountain Comment
  CAS-BOT-BC105472  Quercus kelloggii William Bridge Cooke 1938-8-5 11435 Siskiyou MacBride Spring Road, on the SW slopes of the mountain 1219 Comment
  HSC8261  Quercus kelloggii C. B. Wolf 1927-8-26 1027 Siskiyou Klamath River, 5 mi. below Hornbrook Comment
  POM166638  Quercus kelloggii E. B. Copeland 1903-7-14 3521 Siskiyou Klamathon. Comment
  SEINET5644385  Quercus kelloggii Brent Helm, Curtis Miller; Mark Steiger 1988-4-30 80 Siskiyou 1 mile east of Spring Flat Campground; along Scott River Rd in Montane forest.; 0 Comment
  HSC36740  Quercus sadleriana Brent Whitely 1975-7-3 128 Siskiyou 1220 Comment
  RSA237866  Quercus sadleriana Frederick W. Oettinger 1969-9-4 1668 Siskiyou Near gap between Tobacco Lake and Toms Lake Basin (in Tobacco Lake Basin), Salmon Mountians, the High Lake Basins in the vicinity of English Peak Marble Mountain Wilderness Area. 1829 Comment
  UC552335  Quercus sadleriana Rimo Bacigalupi 1935-10-21 2369 Siskiyou summit of road from Waldo, Oregon to Happy Camp (Del Norte-Siskiyou County line); Siskiyou Mountains Comment
  UCD47222  Quercus sadleriana R. Tofsrud; J. M. Tucker 1948-8-3 1779 D Siskiyou Summit of Happy Camp- O'Brien (Oregon) road, on Del Norte-Siskiyou county line, California. 1554 Comment
  CAS-BOT-BC104621  Quercus vacciniifolia Doris K. Kildale 1928-8-20 6587 Siskiyou Lily Pad Lake, near Hancock Lookout on trail to Marble Mt. Comment
  CAS-BOT-BC104629  Quercus vacciniifolia John Thomas Howell 1939-8-2 14880 Siskiyou Spirit Lake, Marble Mts. 1828 Comment
  HSC91298  Quercus vacciniifolia Jennifer Whipple 1976-7-14 1473 Siskiyou SE slope of Mount Eddy draining into the N Fork of the Sacramento River 2195 Comment
  RSA622138  Quercus vacciniifolia J. M. Tucker 1948-8-3 1776 Siskiyou 6.7 miles (by road) below the summit of Happy Camp - Waldo road. Comment
  UC455271  Quercus vacciniifolia I. J. Condit 1909-8-23 Siskiyou near Sisson; Castle Lake 2133 Comment
  SEINET10437620  Quercus vacciniifolia G. D. Butler 1910-7-12 1760 Siskiyou Shackleford Creek. 1372 Comment
  SEINET3159745  Ranunculus alismifolius G. D. Butler 1910-5-10 1322 Siskiyou Bulls meadows; Goosenest mountain 1676 Comment
  UC9358  Ranunculus alismifolius var. alismifolius Milo S. Baker 1893-6 Siskiyou Medicine Lake; near shore Comment
  UC454031  Ranunculus aquatilis var. capillaceus I. J. Condit 1909-8-22 Siskiyou Sisson Comment
  RSA238279  Ranunculus aquatilis var. capillaceus Frederick W. Oettinger 1969-9-5 1683 Siskiyou Salamander Pond near Abbotts Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. Comment
  SEINET7042790  Ranunculus californicus A. G. Vestal 1955-5-17 s.n. Siskiyou Meadow at Oxbow west of Scott River. 9.5 miles south of Fort Jones. Etna quadrangle UTM Zone 10 508671mE, 4590390mN. Comment
  HSC28743  Ranunculus gormanii Frederick W. Oettinger 1969-7-14 1015 Siskiyou Marble Mtn. Wilderness Area, 100 ft. down outlet stream at NE corner of Charmaine Lake 1905 Comment
  HSC18127  Ranunculus occidentalis var. dissectus Geo. D. Butler 1909-4-25 683 Siskiyou Quartz Valley Comment
  HSC36926  Ranunculus occidentalis var. occidentalis J. P. Smith 1974-5-26 7591 Siskiyou Along FS Rd. 47N03, 1/4 mi. NE of Chandler Glade 1768 Comment
  HSC37533  Ranunculus occidentalis var. occidentalis J. P. Smith 1974-5-26 7569 Siskiyou Along FS Rd. 47N03 1524 Comment
  HSC40653  Ranunculus occidentalis var. occidentalis J. P. Smith 1973-5-5 6461 Siskiyou Trail to the Siskiyou cypress stand, off the Cook and Green Pass Rd. Comment
  HSC68500  Ranunculus occidentalis var. occidentalis Maralyn A. Renner 1980-6-22 902 Siskiyou Slopes N of Little Shasta River 1372 Comment
  HSC61938  Ranunculus orthorhynchus Ruby Van Deventer 1960-7-13 Siskiyou Poker Flat 1585 Comment
  RSA211168  Ranunculus orthorhynchus William J. Ferlatte 1967-6-30 590 Siskiyou Along S Fork of the Salmon River betw the campground and Carter's. 1524 Comment
  CDA3485  Ranunculus repens C. S. Giebner 1959-5-29 Siskiyou Copeland Ranch, Weed. 0 Comment
  HSC100035  Ranunculus testiculatus J. P. Smith, & J. O. Sawyer 2010-5-6 12820 Siskiyou Camp Creek Campground. 727 Comment
  HSC98332  Ranunculus uncinatus G. L. Clifton 1979-7-1 6162 Siskiyou Near Poker Flat, close to the town of Happy Camp 1538 Comment
  RSA34039  Rhamnus rubra subsp. obtusissima A. A. Heller 1920-8-13 13525 Siskiyou Upton. Comment
  UC61673  Ribes W. A. Setchell, C. C. Dobie 1902-7-16 Siskiyou Sisson Mount Shasta Comment
  CAS-BOT-BC92410  Ribes aureum var. aureum Geo. D. Butler 1910-6-12 1559 Siskiyou Yreka Creek. Comment
  RSA0024868  Ribes cereum Louis C. Wheeler 1934-6-29 2825 Siskiyou Soda Creek. Sterling Mtn. Siskiyou Mtns. 1280 Comment
  RSA0024870  Ribes cereum Wagnon 1957-8-11 1704 Siskiyou East slope of Mt. Shasta, 1 mile W of Military Pass Rd., along rd. to Brewer s Cr. Comment
  CHSC69079  Ribes cereum var. cereum Vernon H. Oswald; Lowell Ahart 1997-7-28 8802 Siskiyou Forest Route 15 near Grasshopper Flat, 3.9 mi south of Medicine Lake Road. 1700 Comment
  CAS-BOT-BC168864  Ribes inerme var. klamathense A. A. Heller 1919-6-27 13393 Siskiyou Metcalf's Ranch, northeast base of Mt. Eddy 1158 Comment
  CAS-BOT-BC168873  Ribes inerme var. klamathense Geo. D. Butler 1910-5-18 1362 Siskiyou Yreka Creek Comment
  HSC19427  Ribes lacustre J. O. Sawyer 1968-9-11 697 Siskiyou Slopes above Twin Valley. 1463 Comment
  UC1222377  Ribes lacustre Joseph P. Tracy 1951-6-16 19498 Siskiyou near State Line (summit of Siskiyous, at crossing of Takilma-Happy Camp Road); Siskiyous Comment
  HSC33983  Ribes lobbii J. P. Smith 1974-5-25 7443 Siskiyou Near junction of Rd. 8 with French Creek Rd. 1280 Comment
  JEPS82475  Ribes lobbii Gilbert Muth 1966-7-8 360 Siskiyou Marble Valley Meadow Marble Mt. Wilderness Area 1792 Comment
  JEPS84053  Ribes lobbii L. R. Heckard with S. D'Alcamo, J. Hickman, S. Winchester 1986-7-15 6302 a Siskiyou from Takilma to Happy Camp (Indian Creek Road, just s of state line) Comment
  HSC40026  Ribes marshallii J. O. Sawyer 1971-7-24 2422 Siskiyou Just N of Summit Lake 1860 Comment
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Dec 6 2013
  RSA459485  Ribes marshallii M. B. Dunkle 1944-7-18 9152 Siskiyou Siskiyou National Forest. 1890 Comment
  UC1167540  Ribes marshallii C. R. Quick 1936-8-18 Siskiyou n Happy Camp (margins of Poker Flat near summit of mountains); Siskiyou Mountains, Klamath National Forest Comment
  SD76163  Ribes nevadense Helen V. Witham 1969-10-7 548 Siskiyou Northwest face, granite cliffs above Kangaroo Lake, Scott Mts. 2100 Comment
  CAS-BOT-BC199996  Ribes roezlii var. cruentum Marion Ownbey; Fred G. Meyer 1940-7-6 2197 Siskiyou Near summit of Cayenne Ridge on south side, Marble Mountain Comment
  RSA47629  Ribes roezlii var. roezlii Roxana S. Ferris, Laura Lorraine 1948-6-12 11775 Siskiyou 5.5 miles from Etna on forks of Salmon Road Comment
  UC165922  Ribes sanguineum Geo. D. Butler 1908-8-4 258 Siskiyou head Shackleford Creek Comment
  UCD102486  Ribes sanguineum T. H. Harris 1951-6-1 s.n. Siskiyou Indian Creek Basin, Happy Camp. 1524 Comment
  JEPS50702 Image available Ribes sanguineum Wayne Roderick 1963-6-12 Siskiyou ca. 15 road mi n Seiad Valley (n side of pass); Siskiyou Mtn. Range, Cook and Green Pass 1371 Comment
  CAS-BOT-BC173905  Ribes velutinum Roxana S. Ferris; Laura Lorraine 1948-6-12 11839 Siskiyou Gazelle Mountain range, road between Callahan and Gazelle 1499 Comment
  CAS-BOT-BC168793  Ribes viscosissimum Doris K. Kildale 1928-7-2 5344 Siskiyou Salmon Summit via Horn Creek Trail 1981 Comment
  JEPS84056 Image available Ribes viscosissimum L. R. Heckard with S. D'Alcamo, J. Hickman, S. Winchester 1986-7-16 6361 Siskiyou ca. 1/2 mi e Red Butte summit (ca. 7 mi nne of Seiad Valley, w of Cook and Green Pass) 1900 Comment
  RSA0020922  Ribes viscosissimum Frederick W. Oettinger 1968-8-10 467 Siskiyou East side of Hancock Lake. The high lake basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1936 Comment
  CAS-BOT-BC362933  Rigiopappus leptocladus John Thomas Howell; T. C. Fuller; G. D. Barbe 1980-4-29 53423 Siskiyou East side of Scott Valley, 10 miles south of Fort Jones on road to Callahan 853 Comment
  RSA716050  Rigiopappus leptocladus L. Ahart, John Dittes 2005-6-10 12086 Siskiyou North of the rock fence, about 200 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. 777 Comment
  CDA16168  Robinia pseudoacacia G. F. Hrusa, T. D. Wilfred 1999-5-31 15067 Siskiyou Klamath Ranges; E side of I-5 at Klamath R. rest area +- 10 mi N of Yreka 640 Comment
  UC165305  Rorippa curvisiliqua Geo. D. Butler 1908-7-16 118 Siskiyou near Yreka Comment
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Feb 18 2009
  UCR37539  Rorippa curvisiliqua var. orientalis L. P. Janeway 1983-8-27 620 Siskiyou Along Poker Flat / Twin Valley trail 1677 Comment
  UC1409337  Rosa Frederick W. Oettinger 1969-7-11 970 Siskiyou slope between English Lake and Diamond Lake; Salmon Mountains, Marble Mountain Wilderness Area 1950 Comment
  UC1871382  Rosa Barbara Ertter 2006-7-30 18738 Siskiyou Butte Valley 4 air mi due W of Macdoel, Meiss Lake Road at S entrance to Butte Valley Wildlife Area. 1298 Comment
  UC163802  Rosa eglanteria Geo. D. Butler 1910-5-29 1427 Siskiyou dry land near Yreka Comment
  CAS-BOT-BC146762  Rosa gymnocarpa Alice Eastwood 1917-9-2 6678 Siskiyou Shasta Springs Comment
  CAS-BOT-BC146767  Rosa gymnocarpa Geo. D. Butler 1910-5-30 1437 Siskiyou Humbug Mt. 1219 Comment
  HSC23474  Rosa gymnocarpa J. O. Sawyer 1968-6-18 182 Siskiyou Above S Russian Creek on W side. 1463 Comment
  HSC59618  Rosa gymnocarpa J. P. Smith, Steve Selva 1970-6-16 3993 Siskiyou 6 mi. from Hwy. 3 on Rd. 8 to Sugar Creek. 1280 Comment
  LA208181  Rosa gymnocarpa Wm. Bridge Cooke; 1939-7-7 13580 Siskiyou Mount Shasta, along the road leading to the Municipal Spring from Howard 1493 Comment
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Jan 10 2015
  POM140217  Rosa gymnocarpa E. B. Copeland 1904-08 s.n. Siskiyou Mt. Shasta Comment
  CAS-BOT-BC149745  Rosa woodsii subsp. ultramontana Elmer I. Applegate 1923-8-21 3919 Siskiyou Willow Creek, south of Lower Klamath Marsh Comment
  UC618724  Rubus leucodermis W. Bridge Cooke 1938-6-17 11038 Siskiyou Sisson Southern trail , Sisson Southern Trail (Mount Shasta) 1371 Comment
  CAS-BOT-BC147980  Rubus leucodermis W. R. Dudley 1901-8-22 s.n. Siskiyou East slope of Foxtail Ridge - Salmon Mts. Comment
  HSC27982  Rubus ursinus Carl W. Mize 1972-9-24 130 Siskiyou Along trail from Camp 3 732 Comment
  UC1409248  Rumex acetosella Frederick W. Oettinger 1968-8-10 466 Siskiyou e side Hancock Lake (vicinity of English Peak, w Siskiyou County); Salmon Mountains, Marble Mountain Wilderness Area, English P 1889 Comment
  CAS-BOT-BC422224  Rumex acetosella Doris K. Kildale 1928-7-4 5497 Siskiyou Summit of divide between Sawyers Bar & Etna Comment
  RSA184722  Rumex acetosella Gilbert Muth 1966-7-18 412 Siskiyou Marble Gap Trail, Meadow above Marble Valley, Marble Mtns. 1829 Comment
  RSA239772  Rumex acetosella Larry E. DeBuhr, Gary D. Wallace 1973-5-18 1085 Siskiyou Pitkin Jones Tree Farm, on Vine Hill Road, 1.4 miles N of jct with Guerneyville road W of Santa Rosa Comment
  JEPS117466  Rumex conglomeratus Lowell Ahart, John Dittes 2010-7-30 16935 Siskiyou Along the west bank 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
  UCD101336  Rumex kerneri G. D. Barbe 1980-6-5 2815 Siskiyou Abandoned dairy south of Knighton Road along Sacramento River, on Riverland Drive (Interstate 5 frontage road); between Redding and Anderson. 128 Comment
  CAS-BOT-BC433695  Rumex obtusifolius H. A. Thomas; J. H. Thomas 1954-7-26 4547 Siskiyou Salmon - Trinity Mts. About 6 miles SE of Cecilville. Between Mt. View Cabin and S. Fork of Salmon River. 944 Comment
  HSC17612  Rumex triangulivalvis R. C. Wunner 1965-6-22 266 Siskiyou Lava Beds NM, 1 mi. NW of Stronghold 1220 Comment
  POM167592  Salix boothii H. P. Chandler 1901-06 1547 Siskiyou Near Marble Mtn. 1829 Comment
  HSC78193  Salix eastwoodiae L. P. Janeway 1983-7-10 409 Siskiyou Poker Flat 1524 Comment
  JEPS84288  Salix eastwoodiae L. R. Heckard with J. Hickman et al. 1986-7-17 6514 Siskiyou n slope Condrey Mt. 1960 Comment
  SEINET10538849  Salix exigua Katherine L. Morris 1973-6-2 Morris 374 Siskiyou Collected 7.0 mi s of etna along roadside of hwy 3, near a gravel quarry. Comment
  UC1034617  Salix exigua var. hindsiana Milo S. Baker and Douglas Barbe 1955-6-28 7 Siskiyou 0.8 mi n Callahan (in dredgings near Hjertager's Mill); Klamath Mts. 975 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-BC107790  Salix hindsiana W. R. Dudley 1905-8-3 s.n. Siskiyou By upper Sacramento near Sissons below wood and Sheldon's Mill Comment
  LA208812  Salix lasiandra Louis C. Wheeler; 1934-7-5 2893 Siskiyou Siskiyou Mts, Hungry Creek, Mt Diablo Mer 1371 Comment
  UCSB10874  Salix lasiandra Bracelin, H. 1931-6-21 Siskiyou North base of Mount Eddy, about 13 km northwest of Shasta City; Flat beside creek, at bridge, about 1.3km east of Burny Mill 1110 Comment
  UC164037  Salix lasiandra subsp. lasiandra Geo. D. Butler 1910-4-13 1171 Siskiyou Yreka Creek Comment
  CAS-BOT-BC107063  Salix lasiolepis Mrs. H. P. Bracelin 1931-6-19 419 Siskiyou Northeast side of Mount Eddy, about 16 km. northwest of Shasta City 1425 Comment
  CAS-BOT-BC107064  Salix lasiolepis Mrs. H. P. Bracelin 1931-6-19 412 Siskiyou Northeast side of Mount Eddy, about 16 km. northwest of Shasta City 1425 Comment
  CAS-BOT-BC107073  Salix lasiolepis Mrs. H. P. Bracelin 1931-6-19 420 Siskiyou Northeast side of Mount Eddy, about 16 km. northwest of Shasta City 1515 Comment
  CAS-BOT-BC107081  Salix lasiolepis s.n. Siskiyou 11 miles N.W. from Mt. Shasta City, and about 2 miles E. of Burney Mill, N. base of Mt. Eddy 1127 Comment
  CAS-BOT-BC107082  Salix lasiolepis Mrs. H. P. Bracelin 1936-9-3 855 Siskiyou 11 miles N.W. from Mt. Shasta City, and about 2 miles E. of Burney Mill, N. base of Mt. Eddy 1127 Comment
  POM219888  Salix lasiolepis H. P. Bracelin 1931-6-19 409 Siskiyou NE side of Mt Eddy. About 16 km NW of Shasta City. Above Metcalf ranch house. 1425 Comment
  SBBG29073  Salix lasiolepis Mrs. H. P. Bracelin 1931-6-21 469 Siskiyou N side of Mount Eddy, ca. 21 km NW of Shasta City, 300 km below Dobkin's Lake 1650 Comment
  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
  UC576382  Salix lasiolepis Mrs. H. P. Bracelin 1936-4-15 831 Siskiyou above Metcalf Ranch (e side of mt., 8-9 mi nw of Mt. Shasta City); Mt. Eddy, Wagon Creek 1203 Comment
  CAS-BOT-BC124534  Salix lasiolepis var. lasiolepis Alice Eastwood 1912-7-17 1181 Siskiyou Sisson Comment
  CAS-BOT-BC128301  Salix lasiolepis var. lasiolepis Doris K. Kildale 1929-4-27 7499 Siskiyou Cecilville, upper South Fork of Salmon River Comment
  CAS-BOT-BC125686  Salix melanopsis A. A. Heller 1905-6-17 8058 Siskiyou On the headwaters of the Sacramento River near/west of Sisson 914 Comment
  CAS-BOT-BC125690  Salix melanopsis W. R. Dudley 1899-8-15 s.n. Siskiyou Near [Glazier?] Glaser/Glacierview, McCloud Comment
  CAS-BOT-BC126158  Salix scouleriana Alice Eastwood 1912-7-17 1178 Siskiyou Sisson Comment
  LA208914  Salix scouleriana Mrs. H. P. Bracelin; 1931-6-20 446 Siskiyou E side of Mount Eddy, ca 17 km NW of Shasta City; above stream in Wagon Creek Canyon; 1 km. up from Metcalf ranch house 539 Comment
  RSA238268  Salix scouleriana Frederick W. Oettinger 1969-8-24 1524 Siskiyou Upper English Lake. Salmon Mtns. High Lake Basins in the vicinity of English Peak. Marble Mtn Wilderness Area. 1784 Comment
  RSA238271  Salix scouleriana Frederick W. Oettinger 1968-8-2 363 Siskiyou Outlet of Diamond Lake. Salmon Mtns. High Lake Basins in the vicinity of English Peak. Marble Mtn Wilderness Area. 2073 Comment
  CAS-BOT-BC128972  Salix sitchensis Mrs. H. P. Bracelin 1937-7-22 870 Siskiyou Beyond head of Big Flat, in woods, near south fork of Salmon River 1615 Comment
  CAS-BOT-BC220805  Salvia dorrii var. dorrii Elmer I. Applegate 1935-6-12 9533 Siskiyou Three Sisters, Lava Beds National Monument Comment
  CAS-BOT-BC225205  Salvia sonomensis L. E. Smith 1913-1-1 s.n. Siskiyou Mt. Shasta Comment
  RSA183737  Sambucus caerulea Gilbert Muth 1965-8-2 143 Siskiyou 1/2 mile btween gate and Lower Sky High Lakes, Marble Mountains Comment
  JEPS12732  Sambucus mexicana W. L. Jepson July, 1894 Siskiyou Sisson Comment
  CAS-BOT-BC236484  Sambucus racemosa subsp. racemosa Louis C. Wheeler 1934-8-2 3019 Siskiyou Alex Canyon, Klamath Forest 1889 Comment
  SEINET3157602  Sanguisorba annua G. D. Butler 1910-6-3 1468 Siskiyou Quartz Valley Comment
  UC114600  Sanguisorba annua Brandegee July 1887 Siskiyou Hornbrook Comment
  POM141252  Sanguisorba annua H. M. Hall, E. B. Babcock 1903-06 4046 Siskiyou 18th crossing near Sisson. 1037 Comment
  RSA42340  Sanicula bipinnatifida Lincoln Constance, R. Shan 1946-5-31 3060 Siskiyou E bank of Sacramento River at Dunsmuir. 701 Comment
  UC106097  Sanicula graveolens Thos. Howell 1889-4-16 1364 Siskiyou Pacific Coast, Hornbrook Hornbrook; Pacific Coast, Hornbrook Comment
  HSC21639  Sanicula graveolens Lincoln Constance, Ren Hwa Shan 1946-5-31 3059 Siskiyou E bank of Sacramento River at Dunsmuir 701 Comment
  RSA303574  Saponaria officinalis J. R. Shevock 1972-7-26 2228 Siskiyou Along the Klamath River. 518 Comment
  CAS-BOT-BC110340  Sarcobatus vermiculatus Louis C. Wheeler 1934-10-21 3333 Siskiyou Shasta Valley 4 miles east Grenada. 868 Comment
  JEPS93948  Sarcobatus vermiculatus Vernon H. Oswald and Lowell Ahart 1998-9-16 9632 Siskiyou 5 mi n of Macdoel (Butte Valley National Grassland near the junction of Meiss Lake-Sams Neck Road and Highway 97); Butte Valley National Grassland 1295 Comment
  CAS-BOT-BC466232  Sarcodes sanguinea John Van Denburg 1913-3-1 s.n. Siskiyou Callahans Comment
  RSA760537  Saxifraga ferruginea R. F. Thorne, Frederick W. Oettinger 1969-8-4 63360 Siskiyou Klamath National Forest, Salmon Mountains, Marble Mountain Wilderness Area, high lake basins in the vicinity of English Peak Comment
  UC1190142  Saxifraga ferruginea Ira L. Wiggins 1955-7-27 13548 Siskiyou Caribou Lake; Salmon-Trinity Alps Primitive Area, Caribou Lake 2042 Comment
  RSA211110  Saxifraga nidifica William J. Ferlatte 1966-6-22 73 Siskiyou Josephine Lake basin; Trinity Alps. 1677 Comment
  RSA261464  Saxifraga oregana J. M. Tucker 1974-7-26 4292 Siskiyou Let Er Buck Meadows, ca. 0.5 mile southeast of Haypress Meadows, Marble Mountain Wilderness Area. 1433 Comment
  JEPS13970  Saxifragopsis fragarioides W. L. Jepson 1907-7-5 2833 Siskiyou Marble Mt. Comment
  UC722724  Saxifragopsis fragarioides C. L. Hitchcock, J. S. Martin 1939-7-9 5316 a Siskiyou between King's Castle and Black Mountain 1828 Comment
  CAS-BOT-BC445875  Saxifragopsis fragarioides Louis C. Wheeler 1934-8-2 3015 Siskiyou Alex Hole, Alex Canyon; Siskiyou Mts., Mt. Diablo Mer. 1889 Comment
  RSA580863  Schedonorus arundinaceus L. C. Wheeler 1934-6-26 2796 Siskiyou Siskiyou Mountains, Cottonwood Creek. 838 Comment
  CAS-BOT-BC283652  Schedonorus pratensis John Thomas Howell 1939-8-9 15200 Siskiyou Sky High Valley, Marble Mountains 1828 Comment
  CAS-BOT-BC283651  Schedonorus pratensis W. B. C. 1938-9-17 11694 Siskiyou Horse Camp, Mount Shasta Comment
  RSA119342  Scirpus congdonii S. S. Tillett 1956-7-9 641 Siskiyou E of Scott Mountain, ca. 8 mi. SE of Callahan. Trinity-Siskiyou Cos line. 1829 Comment
  SEINET7592336 Image available Scirpus congdonii Frederick W. Oettinger 1969-8-22 1500 Siskiyou S side of Horse's Hole Pond, above Horse Range Lake 1875 Comment
  RSA366109  Scirpus lineatus L. C. Wheeler 1934-7-17 2914 Siskiyou Cottonwood Creek, Siskiyou Mtns. (Mt Diablo Mer.) 1037 Comment
  CAS-BOT-BC111101  Scirpus microcarpus Copeland 1903-8-14 3722 Siskiyou Sisson Comment
  RSA238373  Scribneria bolanderi Frederick W. Oettinger 1967-7-20 181 Siskiyou East bank of Diamond Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2073 Comment
  HSC63623  Scutellaria antirrhinoides J. P. Smith, Steve Selva 1970-7-27 4509 Siskiyou Gumboot Lake 1768 Comment
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Jun 7 2012
  RSA17980  Scutellaria antirrhinoides Carl B. Wolf 1927-8-26 996 Siskiyou Klamath River, 5 miles below Hornbrook. Comment
  UC726395  Scutellaria antirrhinoides A. A. Heller 1919-6-25 13270 Siskiyou Compton's Prairie Comment
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Dec 29 2006
  UC1023836  Scutellaria antirrhinoides Milo S. Baker and Douglas Barbe 1955-7-1 80 Siskiyou just behind Callahan (to the north); Klamath Mountains 975 Comment
  UC1523370  Scutellaria nana J. G. Lemmon 1889-6-26 Siskiyou Edgewood Comment
  CHSC118262  Sedum kiersteadiae Peter F. Zika 2013-6-28 26289 Siskiyou Route 26, 0.6 air km WNW of Gumboot Lake, Kalmath Range (KR) 1960 Comment
  UC198693  Sedum lanceolatum Annie M. Alexander and Louise Kellogg 1911-8-14 323 Siskiyou Mt. Eddy 2789 Comment
  JEPS26913  Sedum laxum subsp. heckneri P. C. Hutchison 1961-5-22 2036 Siskiyou 5.7 mi s Happy Camp (2.7 mi n of Clear Creek on highway US299, w side of Klamath River); w side Klamath River, n of Clear Creek, s of Happy Camp Comment
  CLARK-A1528-5663  Sedum obtusatum John C. Roos 1948-9-1 4025 Siskiyou Etna Comment
  UC637043  Sedum obtusatum subsp. boreale Edward Lee 1934-8-14 1105 Siskiyou Little Grayback Little Grayback (rocky n-facing slope at summit, Siskiyou-Del Norte County Line) 1868 Comment
  HSC19473  Sedum obtusatum subsp. retusum J. O. Sawyer 1969-6-10 799 Siskiyou S face near Sugar Lake 1829 Comment
  HSC19539  Sedum obtusatum subsp. retusum J. O. Sawyer 1969-8-4 1918 Siskiyou South Sugar Creek 2043 Comment
  HSC19544  Sedum obtusatum subsp. retusum J. O. Sawyer 1969-6-13 1109 Siskiyou Slope above Little Duck Lake 2134 Comment
  HSC50569  Sedum obtusatum subsp. retusum G. L. Clifton, Griswold 1979-7-26 10145 Siskiyou Near Salmon Mtn., close to the town of Forks of Salmon 2105 Comment
  HSC69123  Sedum obtusatum subsp. retusum Maralyn A. Renner 1980-8-7 2385 Siskiyou Klamath National Forest, NW flank of Preston Peak, near summit 2180 Comment
  CAS-BOT-BC64657  Sedum oregonense H. A. Thomas; J. H. Thomas 1954-7-24 4509 Siskiyou Trinity Mts. Vicinity of Rush Lake and Rush Creek Meadow. 9 mi. E of Cecilville. 1828 Comment
  RSA0074772  Sedum spathulifolium L. C. Wheeler 1934-8-16 3171 Siskiyou Siskiyou Mountains: 2 mi. east of White Mt. 1920 Comment
  OBI1557  Selaginella scopulorum Lawrence L. Kiefer 1963-8-8 827 Siskiyou Vicinity of White Mtn (N of Town of Horse Crk), along trl from Siskiyou Summit to White Mtn 1524 Comment
  RSA0013325  Senecio aronicoides B. C. Templeton 1964-6-9 10066 -a Siskiyou Slope of Mt. Shasta Comment
  CAS-BOT-BC363646  Senecio fremontii var. occidentalis W. R. Dudley 1899-8-26 s.n. Siskiyou Top of Mt. Eddy Comment
  UC166212  Senecio hydrophilus Geo. D. Butler 1908-8-27 236 Siskiyou in bogs near Oro Fina Comment
  HSC45485  Senecio integerrimus Maralyn O'Meara 1974-5-25 426 Siskiyou On Rd. 8, ~4.7 mi. W of junction with Hwy. 3 1159 Comment
  HSC76910  Senecio integerrimus K. T. Stillman 1976-6-26 122 Siskiyou Marble Mtn. Wilderness Area, near Bear Lake. 1829 Comment
  UC1560410  Senecio integerrimus var. exaltatus E. Joyal and D. Mehlman 1988-6-25 1277 Siskiyou Happy Camp to Takilma road (at turn-off to Bolan Lake) 1524 Comment
  CAS-BOT-BC363944  Senecio integerrimus var. exaltatus Volney Rattan June 16 s.n. Siskiyou Siskiyou Mts. Comment
  RSA0124984  Senecio integerrimus var. exaltatus Peter H. Raven 1962-5-30 17899 Siskiyou U.S. Highway 97 12.3 miles south of Macdoel. Comment
  CAS-BOT-BC364045  Senecio integerrimus var. major J. H. Thomas 1954-5-13 4137 Siskiyou Southwestern Siskiyou County. Salmon Mountains, Klamath National Forest. Near South Fork of Salmon River, 5 to 9 miles southeast of Cecilville. Vicinity of Blind Horse Creek 1066 Comment
  HSC22190  Senecio integerrimus var. major J. O. Sawyer 1969-7-9 1246 Siskiyou W facing slope above Bingham Lake 2317 Comment
  HSC617  Senecio integerrimus var. major William J. Ferlatte 1966-7-7 197 Siskiyou Caribou Basin 1982 Comment
  CAS-BOT-BC364451  Senecio triangularis Marion Ownbey; Ruth P. Ownbey 1938-7-20 1759 Siskiyou 1 mile northwest of Dry Lake Lookout, summit of the Siskiyou Mts. Comment
  UC1483546  Senecio triangularis Maralyn A. Renner 1980-8-21 2569 Siskiyou Kidd Creek Coffee Creek Quad., , Kidd Creek (Klamath National Forest) 2042 Comment
  CAS-BOT-BC364786  Sericocarpus oregonensis subsp. oregonensis Alice Eastwood 1922-10-18 11520 Siskiyou Shasta Springs Comment
  UC832210  Sericocarpus oregonensis subsp. oregonensis Alice Eastwood 1912-8-28 1941 Siskiyou Cantara Comment
  UC196949  Setaria viridis Geo. D. Butler 1910-7-29 1796 Siskiyou Yreka Comment
  HSC39742  Sherardia arvensis J. O. Sawyer 1970-4-4 2093 Siskiyou Along Sugar Creek 823 Comment
  HSC19471  Sibbaldia procumbens J. O. Sawyer 1969-7-10 1299 Siskiyou Slopes E of Russian Peak 2104 Comment
  RSA233678  Sibbaldia procumbens Robert F. Thorne, F. Oettinger 1969-8-10 38965 Siskiyou S slope of Mt. Shasta, Panther Creek Meadows 2195 Comment
  RSA237594  Sibbaldia procumbens Frederick W. Oettinger 1969-9-3 1608 Siskiyou Shasta Ridge N below English Peak. Salmon Mtns. High Lake Basins in the vicinity of English Peak. Marble Mtn Wilderness. 2195 Comment
  HSC103910  Sidalcea asprella subsp. nana Dana York 2010-9-12 3018 Siskiyou Six Rivers National Forest; ~1.7 km NW of Broken Rib Mountain, in dense forest below road 1250 Comment
  UC524186  Sidalcea oregana subsp. spicata Elmer I. Applegate 1923-8-18 3832 Siskiyou w end of Medicine Lake 1981 Comment
  POM84656  Sidalcea oregana subsp. spicata Geo. D. Butler 1910-7-17 1728 Siskiyou No location given Comment
  JEPS51012  Silene campanulata subsp. glandulosa T. H. Gilbert Jun 15 1899-Jul 15 1899 Siskiyou Scott River Valley Comment
  JEPS2862 Image available Silene campanulata subsp. glandulosa W. L. Jepson Jul 17 1902-Jul 22 1902 2076 a Siskiyou trail to Salmon Forks; Salmon Summit; Trail to Salmon Forks, Salmon Summit, Western Siskiyou 2133 Comment
  UC465700  Silene douglasii Milo S. Baker Aug. 1897 135 Siskiyou Payne's Springs 1981 Comment
  CAS-BOT-BC388961  Silene grayi C. L. Hitchcock; J. S. Martin 1939-7-6 5227 Siskiyou Peak above and north of Divide of Siskiyou Mts., on Takilma-Happy Camp road 1828 Comment
  RSA237807  Silene grayi Frederick W. Oettinger 1968-8-16 549 Siskiyou East side of Hancock Lake. Salmon Mtns. High Lake Basin in the vicinity of English Peak, Marble Mountain Wilderness Area. Comment
  UC722526  Silene grayi C. L. Hitchcock, J. S. Martin 1939-7-6 5227 Siskiyou California on Takilma-Happy Camp road peak above and n of Divide of Siskiyou Mts. (peak above and n of Divide of siskiyou Mts.) Comment
  CAS-BOT-BC181251  Silene hookeri subsp. hookeri Clarence R. Quick 1959-6-19 59 -08 Siskiyou 3 miles south of Four Corners on ridge south-east of Seiad Valley Comment
  HSC39834  Silene lemmonii J. O. Sawyer 1969-7-23 1162 Siskiyou Near Horse Range Creek 1341 Comment
  UC8481  Silene menziesii Milo S. Baker 1893-6 Siskiyou 6 mi below Bartles; McCloud River, below Bartles Comment
  UC1333307  Silene vulgaris Dorothy Parker 1949-6-30 Siskiyou along the banks of Crystal Creek banks of Crystal Creek, Scott Valley (Scott Valley) 871 Comment
  RSA275375  Silene vulgaris J. O. Sawyer, K. T. Stillman 1976-7-1 2792 Siskiyou Along the Little North Fork of the Salmon River. 732 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
  SEINET3154294  Smilacina sessilifolia G. D. Butler 1910-5-15 1343 Siskiyou McAdams Creek Comment
  JEPS62162  Smilax jamesii Geo. D. Butler 1908-8-5 146 Siskiyou camp below Cold Spring; Woolly Creek 1676 Comment
  JEPS107296  Solanum dulcamara Lowell Ahart, John Dittes 2005-6-10 12078 Siskiyou In water on the north side of the Shasta River, about 60 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
  RSA715956  Solanum dulcamara L. Ahart, John Dittes 2005-6-10 12078 Siskiyou On the N side of the Shasta River, about 60 yards NW of the pump house along the Shasta River, about 1.9 miles (air) south of Hwy 99/97 Cutoff, about 6 miles (air) ESE of Grenada. 777 Comment
  RSA105461  Solanum umbelliferum Douglas Barbe 1955-6-27 2 Siskiyou 2 miles E of Callahan at Trinity Center Road junction 976 Comment
  RSA298136  Solidago canadensis subsp. elongata J. P. Smith, J. O. Sawyer 1971-9-17 4781 Siskiyou At Little Duck Lake Comment
  UCR37811  Solidago canadensis subsp. elongata K. T. Stillman 1976-9-9 487 Siskiyou Marble Mountain Wilderness Area 1951 Comment
  UC185524  Solidago elongata Copeland 1903-8-12 3823 Siskiyou Sisson Comment
  RSA749254  Solidago multiradiata K. M. Meyer, A. Townesmith 2007-7-31 178 Siskiyou Shasta-Trinity National Forest. 8.1 mi. on NF Rd. 17, off US Hwy 97. 1607 Comment
  UC727197  Solidago multiradiata A. A. Heller 1918-7-16 13029 Siskiyou Mt. Eddy 2682 Comment
  HSC90601  Sorbus californica Jennifer Whipple 1976-7-9 1390 Siskiyou Dale Creek drainage on the N face of Mt. Eddy 2226 Comment
  UC1190120  Sorbus californica Ira L. Wiggins 1955-7-27 13554 Siskiyou Caribou Lake; Salmon Trinity Alps Primitive Area 2042 Comment
  UC1409331  Sorbus scopulina var. scopulina Frederick W. Oettinger 1969-7-18 1052 Siskiyou sw of Upper English Lake; Salmon Mountains, Marble Mountain Wilderness Area 1920 Comment
  UC202193  Sparganium angustifolium Geo. D. Butler 1910-7-13 1766 Siskiyou Shackleford Creek 1219 Comment
  CAS-BOT-BC390715  Spergularia rubra Louis C. Wheeler 1934-9-2 3239 Siskiyou Klamath National Forest. Miller Glade 1828 Comment
  CAS-BOT-BC149675  Spiraea douglasii Elizabeth McClintock; Wayne Roderick; Martha Roderick 1967-7-29 s.n. Siskiyou Mumbo Lake, Trinity Mts. 1828 Comment
  UCSB24987  Spiraea douglasii Keefe, Joseph 1967-7-11 Siskiyou Near summit of hill by Little Castle Lake; south of Castle Lake, 10 miles southwest of town of Mt. Shasta 2011 Comment
  HSC29134  Spiranthes romanzoffiana Frederick W. Oettinger 1968-8-12 497 Siskiyou Salmon Mountains, Tobacco Lake Trail 1890 Comment
  RSA237644  Spiranthes romanzoffiana Frederick W. Oettinger, Robert F. Thorne 1969-8-8 1303 Siskiyou Sundew Bog near English Lake. Salmon Mtns; High Lake Basins in the vicinity of English Peak; Marble Mountain Wilderness Area. 1829 Comment
  UC416580  Stachys ajugoides var. rigida H. W. Furlong Sept. 1901 Siskiyou Summit to Ager Comment
  HSC27640  Stachys pycnantha Carl W. Mize 1972-6-21 74 Siskiyou Along main trail 305 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
  HSC63578  Stachys rigida J. P. Smith, J. O. Sawyer 1971-9-18 4843 Siskiyou 2 mi. W of the junction of Hwy. 3 and Rd. 8, N of Callahan. 1037 Comment
  CAS-BOT-BC175332  Stellaria borealis subsp. sitchana Wm. Bridge Cooke 1939-7-7 13623 Siskiyou At Wagon Camp Comment
  CAS-BOT-BC204674  Stenanthium occidentale James R. Shevock 2012-7-21 40558 Siskiyou Siskiyou Mts., Rogue River National Forest. Along Forest Service Road 1055, 0.5 mile below Cook and Green Pass, Applegate River Drainage 1432 Comment
  CHSC99976  Stenanthium occidentale L. P. Janeway 2008-7-25 9493 Siskiyou Klamath Ranges. Siskiyou Mountains; at Horsetail Falls, along Road 48N20, along upper eastern fork of East Fork Seiad Creek. 1237 Comment
  UC1394171  Stephanomeria paniculata unknown 1966-7-24 6679 Siskiyou near Mt. Shasta 1.25 mi post (Shasta Ski Bowl Road); Mt. Shasta 1219 Comment
  HSC13339  Stipa comata D. M. Thomson 1965-6-26 107 Siskiyou Lava Beds N.M., Main Rd., 1/4 mi. S of Devils Homestead Overlook Comment
  HSC39868  Stipa occidentalis var. occidentalis J. P. Smith 1972-8-17 5749 Siskiyou Medicine Lake 2012 Comment
  CAS-BOT-BC61131  Streptanthus barbatus Peter H. Raven 1956-9-5 10455 Siskiyou North Fork of the Sacramento River. 2011 Comment
  CAS-BOT-BC87871  Streptanthus tortuosus Geo. B. Grant 1902-9-7 s.n. Siskiyou Mount Shasta. Horse Camp. Comment
  CAS-BOT-BC87878  Streptanthus tortuosus R. C. Wenk 2008-7-23 903 Siskiyou Southwest side of Mount Shasta, trail from Bunny Flat to Sierra Club Cabin above Avalanche Gulch. 2316 Comment
  CAS-BOT-BC87959  Streptanthus tortuosus Reed Rollins 1938-8-21 11555 Siskiyou Mount Shasta. Around the various water supply springs above Horse Camp and around Horse Camp fountain overflow. 2438 Comment
  HSC18966  Streptanthus tortuosus var. tortuosus J. O. Sawyer 1969-7-8 1096 Siskiyou SW slope above Music Creek 2360 Comment
  CAS-BOT-BC516429  Streptopus amplexifolius Roxana S. Ferris; Laura Lorraine 1948-6-12 11749 Siskiyou French Creek Logging Road west of Callahan 1219 Comment
  RSA68948  Streptopus amplexifolius A. E. Culbertson 1943-7-1 10 Siskiyou Near Forest Service Campground about a mile downstream from Castle Lake on road to town of Shasta. On a north slope of a 6600 eastern spur of Trinity Mountains and 1500 above Sacramento River., Within 9 air miles of its headwaters to the west. Mt. Shasta 13 miles to the northeast. 1524 Comment
  UC163750  Symphoricarpos albus var. laevigatus Geo. D. Butler 1910-8-1 1808 Siskiyou Yreka Creek Comment
  RSA43680  Symphoricarpos hesperius H. M. Pollard 1947-9-6 s.n. Siskiyou Dillons Mt. Forest Road. 1220 Comment
  CAS-BOT-BC234777  Symphoricarpos mollis Geo. D. Butler 1910-8-7 1818 Siskiyou Humbug Mountain 1219 Comment
  CAS-BOT-BC234779  Symphoricarpos mollis John Thomas Howell 1939-8-2 14947 Siskiyou Spirit Lake, Marble Mts. 1828 Comment
  HSC18881  Symphoricarpos mollis J. O. Sawyer 1968-9-13 722 Siskiyou W of the Happy Camp/O'Brien Rd. between Louse Creek and Indian Creek, on the E slopes of Little Grayback 1463 Comment
  HSC18883  Symphoricarpos mollis J. O. Sawyer 1968-9-10 680 Siskiyou Below Young's Meadow on Clear Creek. 1372 Comment
  HSC18890  Symphoricarpos mollis J. O. Sawyer 1968-6-25 334 Siskiyou 1646 Comment
  HSC18989  Symphoricarpos mollis J. O. Sawyer 1969-8-5 1968 Siskiyou Along Sugar Creek. 1707 Comment
  HSC42946  Symphoricarpos mollis J. O. Sawyer, Ken Stillman 1976-7-1 2765 Siskiyou Streamside terraces and lower slopes along the Little N Fork of the Salmon River. 732 Comment
  CAS-BOT-BC269708  Symphoricarpos mollis W. R. Dudley 1901-8-24 s.n. Siskiyou Four Mile [Fourmile] Creek Trail, Salmon Mts. Comment
  RSA507754  Symphyotrichum J. C. Semple, S. Heard 1986-8-14 8450 Siskiyou Siskiyou A-10 on Mt. Shasta 2256 Comment
  HSC40421  Symphyotrichum ascendens J. O. Sawyer 1973-7-16 2539 Siskiyou Wooley Creek at junction with Bridge Creek. Comment
  CAS-BOT-BC97877  Symphyotrichum eatonii W. R. Dudley 1899-8-13 s.n. Siskiyou Nabar Meadows near McCloud Comment
  CAS-BOT-BC97889  Symphyotrichum eatonii Louis C. Wheeler 1934-9-19 3284 Siskiyou Walker, Klamath River, Siskiyou Mts. 518 Comment
  HSC77012  Symphyotrichum hendersonii K. T. Stillman 1976-7-7 167 Siskiyou Marble Mountain Wilderness Area 1982 Comment
  HSC78313  Symphyotrichum hendersonii L. P. Janeway 1983-8-6 488 Siskiyou Poker Flat, upper part of lower portion of meadow 1524 Comment
  HSC29225  Symphyotrichum hendersonii Frederick W. Oettinger 1968-9-10 815 Siskiyou NW of Horse Range Lake; Salmon Mtns, English Peak area 1822 Comment
  CAS-BOT-BC98445  Symphyotrichum spathulatum Alice Eastwood 1921-7-25 10844 Siskiyou Bigelows, McCloud River Comment
  UC1282018  Symphyotrichum spathulatum Louise Kellogg Aug 8 1953-Aug 9 1953 117 Siskiyou Scott Mountain Public Campground Scott Mountains, Klamath National Forest 1630 Comment
  CAS-BOT-BC98435  Symphyotrichum spathulatum Doris K. Kildale 1929-8-24 8810 Siskiyou Young's Valley, trail to Preston Peak 1371 Comment
  HSC58876  Taraxacum officinale Marvin Butler 1971-7-9 87 Siskiyou Near El Capitan, close to the town of Cave Junction 1464 Comment
  JEPS105692  Taraxia subacaulis Julie Kierstead Nelson 1993-6-4 93009 Siskiyou Mud Well, ca. 20 mi E of Mount Shasta. McCloud Ranger District. Shasta-Trinity National Forests. 1392 Comment
  CAS-BOT-BC85240  Taxus brevifolia Doris K. Kildale 1928-7-3 5457 Siskiyou 8 miles east of Forks of Salmon on road to Sawyers Bar Comment
  SEINET3876109 Image available Taxus brevifolia J. P. Smith, Steve Selva 1970-7-15 4355 Siskiyou Klamath National Forest; road to Happy Camp.; 0 732 Comment
  UCD135162  Taxus brevifolia J. M. Tucker 1963-7-5 3706 Siskiyou Lower Blake's Fork of South Russian Creek (a tributary of Salmon River), ca. 7 miles (airline) east of Sawyer's Bar, Salmon Mountains. 1524 Comment
  CAS-BOT-BC447421  Tellima grandiflora John Thomas Howell 1939-8-3 14974 Siskiyou Spirit Lake, Marble Mountains 1828 Comment
  CAS-BOT-BC447422  Tellima grandiflora John Thomas Howell 1939-8-10 15275 Siskiyou Sky High Valley, Marble Mountains 1828 Comment
  SD88376  Tetradymia canescens Darley F. Howe 1972-7-8 Siskiyou 9.5 miles north of Weed on Highway 97 1160 Comment
  UC480864  Thalictrum fendleri var. polycarpum Harley P. Chandler June, 1901 1648 Siskiyou Marble Mountain North Coast Ranges 2438 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
  HSC90988  Thelypodium brachycarpum Jennifer Whipple 1976-7-1 1237 Siskiyou Near Durney Lake, W facing slope above lake 2073 Comment
  CAS-BOT-BC88073  Thelypodium brachycarpum Ynez Whilton Winblad 1941-6-20 s.n. Siskiyou Between Weed and Yreka. Comment
  POM143233  Thelypodium brachycarpum Geo. D. Butler 1910-8-21 1850 Siskiyou Shasta Valley Comment
  CAS-BOT-BC77738  Thelypteris nevadensis Louis C. Wheeler 1934-8-21 3191 Siskiyou E Fork Horse Cr., Klamath National Forest 1219 Comment
  HSC41794  Thermopsis macrophylla Brent Whiteley 1975-6-28 64 Siskiyou Irving sale of the Klamath River. 915 Comment
  CHSC85707  Thermopsis robusta G. F. Hrusa 1998-7-5 14700 Siskiyou Siskiyou Mountains. Cedar Camp Rd. +/- 5 mi. E of Weitchpec on Hwy 96. N side of Hwy. Mile 8.8. Comment
  CAS-BOT-BC197375  Thinopyrum intermedium subsp. barbulatum T. C. Fuller 1962-8-30 9498 Siskiyou 200 yds. up Raggedass Gulch, e. of Beaver Creek, 5 mi. n. of the Klamath River Comment
  JEPS45935  Thlaspi montanum var. montanum Rimo Bacigalupi and L. R. Heckard 1966-6-15 9179 Siskiyou just n Cedar Lake (in The Eddys, upper drainage of the South Fork of the Sacramento River); upper drainage of South Fork Sacramento River, n of Cedar La 1731 Comment
  UC1586874  Thlaspi montanum var. montanum Juha Pykala and D. H. Norris 1987-6-26 2050 Siskiyou 0-3 km below Bear Lake (above Bear Creek, sw slopes); Marble Mountain Wilderness Area Comment
  UC986573  Thysanocarpus curvipes Dorothy Parker 1951-5-10 511 Siskiyou near Kidder Creek (Scott Valley); , near Kidder Creek 914 Comment
  POM354792  Tiarella trifoliata var. unifoliata Louis C. Wheeler 1934-8-20 3196 Siskiyou West Fork of Beaver Creek; Siskiyou Mountains. 1067 Comment
  UC1408896  Tolmiea diplomenziesii F. W. Oettinger 1969-8-9 1320 Siskiyou between Fivemile Stockgate and Abbott's Upper Cabin (main North Fork trail, w Siskiyou County); Salmon Mountains 1356 Comment
  CAS-BOT-BC447627  Tolmiea menziesii Dorothy Parker 1960-7-4 118 Siskiyou Moist granitic sand along stream. Salmon Mts. 1767 Comment
  RSA145155  Tolmiea menziesii Dorothy Parker 1960-7-4 s.n. Siskiyou Salmon Mts. 1768 Comment
  HSC41041  Tonella tenella J. O. Sawyer 1970-3-4 2060 Siskiyou N of Idlewild Campground 762 Comment
  OBI53781  Tragopogon dubius David J. Keil, Kathleen Keil 1992-7-19 23464 Siskiyou Klamath NF. 6.5 mi NW of Sawyers Bar on Sawyers Bar Rd Comment
  HSC19117  Triantha occidentalis subsp. brevistyla J. O. Sawyer 1969-8-1 1612 Siskiyou Behind Horseshoe Lake 1921 Comment
  CAS-BOT-BC519558  Triantha occidentalis subsp. occidentalis Barbe 1957-7-13 375 Siskiyou Big Flat Public Camp, Klamath National Forest. Below Camp's water spring in marshy hillside. Western exposure. 1524 Comment
  HSC44584  Triantha occidentalis subsp. occidentalis Laura Witherspoon 1977-7-30 Siskiyou Flint Valley 1341 Comment
  SBBG15778  Trientalis latifolia D. Myrick 1961-6-21 305 Siskiyou Deer Camp Rd above Oak Knoll Ranger Station, Klamath River, 19 mi W of Hwy 99 1371 Comment
  UC1408893  Trientalis latifolia F. W. Oettinger 1969-8-9 1318 Siskiyou between Fivemile Stockgate and Abbott's Upper Cabin (along main North Fork Trail, Salmon Mountains, western Siskiyou County); Salmon Mountains, North Fork Trail 1356 Comment
  CHSC86676  Trifolium cyathiferum Jenny Marr 1993-7-1 59 Siskiyou Butte Valley Wildlife Area, +/- 7 air miles NW of the town of MacDoel. Meadow NW of Meiss Lake. 1349 Comment
  UCD78179  Trifolium glomeratum Robert E. Preston 2008-5-13 2631 Siskiyou Along Hwy 96, ca. 11.6 miles N of the confl of the Klamath River and Salmon River. 229 Comment
  HSC104145  Trifolium howellii Dana York 2011-8-14 3078 Siskiyou Klamath National Forest, Marble Mountain Wilderness, 230 m W-SW of Black Marble Mountain 2220 Comment
  UC922394  Trifolium howellii Annie M. Alexander and Louise Kellogg 1949-7-30 5904 Siskiyou Sky High Valley Marble Mtns 1767 Comment
  JEPS93936  Trifolium kingii var. productum Vernon H. Oswald and Lowell Ahart 1998-8-11 9476 Siskiyou 6.2 mi ne of Four Trees (USFS 23N85Y 0.8 mi e of Oroville-Quincy Highway, on s side of Frenchman Hill); Frenchman Hill, USFS 23N85Y 1737 Comment
  UCD111289  Trifolium longipes subsp. oreganum Tofsrud 1948-8-1 s.n. Siskiyou Poker Flat, near summit of road between Happy Camp and O'Brien, Oregon. Comment
  JEPS66038  Trifolium pratense W. L. Jepson 1914-8-14 6167 Siskiyou Dunsmuir 670 Comment
  CAS-BOT-BC230884  Trifolium productum Dorothy Parker 1959-7-5 734 Siskiyou Salmon Mt. 1676 Comment
  JEPS107658  Trifolium retusum Lowell Ahart, John Dittes 2005-6-10 12124 Siskiyou Northeast of the corral, end of Salvadori Road, Nelson Ranch, about 1 1/4 miles (air) south of Highway 99/97 Cutoff, about 5 1/4 miles (air) east-southeast of Grenada 785 Comment
  SEINET4206959  Trifolium variegatum A. A. Heller 1905-6-5 7964 Siskiyou Between Shasta Retreat and Shasta Springs.; 0 Comment
  JEPS75658  Trifolium wormskioldii Geo. D. Butler 1909-6-26 915 Siskiyou McNutty's Field near Yreka Comment
  CHSC86651  Triglochin concinna var. debilis Jenny Marr 1993-7-1 34 Siskiyou Butte Valley Wildlife Area, +/- 7 air miles NW of the town of MacDoel. Meadow NW of Meiss Lake. 1349 Comment
  CAS-BOT-BC519594  Trillium Roxana S. Ferris; Laura Lorraine 1948-6-12 11883 Siskiyou About 6 miles from Etna on forks of Salmon road 1676 Comment
  UC164025  Trillium albidum Geo. D. Butler 1908-7-19 1087 Siskiyou Humbug <road> Comment
  JEPS80494  Trillium chloropetalum Gilbert Muth 1966-7-8 376 Siskiyou Marble Valley Marble Mt. Wilderness Area, Marble Valley 1792 Comment
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Aug 20 2009
  JEPS25637  Trillium ovatum Rimo Bacigalupi with Mr. and Mrs. Van Deventer 1959-7-9 7276 Siskiyou Poker Flat 1536 Comment
  RSA234820  Trillium ovatum subsp. oettingeri Frederick W. Oettinger 1969-7-10 962 Siskiyou Along inlet brook to Upper English Lake. Salmon Mtns. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1768 Comment
  SEINET10459927  Triodanis perfoliata Unknown 1943-5-8 Anonymous s.n. Siskiyou SCOTT VALLEY Comment
  UCD93608  Trisetum canescens A. H. Murphy 1959-7-23 59 Y Siskiyou Shasta National Forest. North fork of Sacramento River. 1676 Comment
  CHSC4310  Trisetum cernuum D. Parker 1965-7-24 897 Siskiyou Near Horse Range Creek, Salmon Mt. 1828 Comment
  HSC76883  Triteleia crocea K. T. Stillman 1976-6-27 143 Siskiyou Marble Mtn. Wilderness Area, near Bear Lake Comment
  UCSB25012  Triteleia crocea Breedlove, Dennis 1962-6-10 Siskiyou Along Indian Creek Road, 15.6 miles northwest of Happy Camp; Siskiyou Mountains 975 Comment
  CAS-BOT-BC524313  Triteleia ixioides subsp. anilina Francia Chisaki; Gene B. Newcomb 1958-6-21 1151 Siskiyou Squaw Valley Creek, on road to ice caves north of McCloud 1158 Comment
  RSA68861  Triteleia ixioides subsp. anilina A. E. Culbertson 1943-6-10 95 Siskiyou Castle Lake, in north facing cirque with abrupt 1000 backwall; 14 miles SW of Mt. Shasta on N side of a 6600 eastern spur of Trinity Mts; 2000 above Sacramento R. within 10 air miles of its headwaters to the west. 1657 Comment
  SEINET10534159  Triteleia ixioides subsp. anilina A. Arthur Heller 1905-6-5 Heller 7986 Siskiyou Pleateau above Shasta Springs. Comment
  UC1037432  Tsuga mertensiana Douglas Barbe 1955-8-1 322 Siskiyou on Mt. Bolivar se of Craggy Lookout (n slope only); Klamath Mountains, Scott Mountains, Mt. Bolivar 2255 Comment
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Mar 6 2013
  CAS-BOT-BC74095  Turritis glabra John Thomas Howell 1937-7-21 13201 Siskiyou South Fork of Salmon River near Big Flat. 1524 Comment
  UCD77352  Turritis glabra Robert E. Preston 2001-7-20 1698 Siskiyou Rainbow Mountain and Vicinity. Klamath National Forest, north slope of Rainbow Mountain, N of Hemlock Lake. 1676 Comment
  CAS-BOT-BC404216  Urtica dioica subsp. holosericea Geo. D. Butler 1910-6-30 1616 Siskiyou Yreka Creek Comment
  JEPS21875  Utricularia macrorhiza Calvin McMillan and Malcolm A. Nobs 1949-6-17 800 Siskiyou Hwy. 97, Grass Lake Grass Lake Comment
  CAS-BOT-BC199193  Vaccinium cespitosum A. A. Heller 1915-7-15 12087 Siskiyou Mt. Eddy 1828 Comment
  CAS-BOT-BC199201  Vaccinium cespitosum Harley P. Chandler 1901-6-1 1578 Siskiyou Near Marble Mountain 2133 Comment
  CAS-BOT-BC228828  Vaccinium cespitosum Peter W. Fritsch; James R. Shevock; Lu Lu 2012-6-19 1926 Siskiyou The Eddys Region, Shasta-Trinity National Forest. Ca. 100 m S of Cedar Lake along road to Cliff Lake, headwaters of the Sacramento River 1744 Comment
  JEPS128461  Vaccinium cespitosum Julie Kierstead Nelson with Martin Lenz 2015-6-18 2015 -062 Siskiyou Headwaters of West Fork Parks Creek, 2 miles NNE of China Mountain; 7 miles W of town of Weed. Comment
  LA44628  Vaccinium cespitosum Wm. Bridge Cooke; 1939-8-24 13896 Siskiyou Mt. Shasta, Panther Meadow, Heather meadows, lower portions Comment
  CHSC77287  Vaccinium membranaceum Loren Gehrung 1993-8-17 147 Siskiyou Along USFS Rd 4812. 2 mi NNE of Little Grayback Peak. North-facing slope. 1524 Comment
  CHSC89001  Vaccinium membranaceum Gail A. Newton; Steven Harris 1981-7-17 2252 Siskiyou Klamath National Forest. Near the Dillon Divide. 1691 Comment
  HSC22413  Vaccinium membranaceum J. O. Sawyer 1969-8-1 1606 Siskiyou Horseshoe Lake 1921 Comment
  JEPS25639  Vaccinium membranaceum Rimo Bacigalupi with Mr. and Mrs. Van Deventer 1959-7-9 7278 Siskiyou Poker Flat 1536 Comment
  UCD118158  Vaccinium parvifolium J. P. Smith; Steve Selva 1970-7-15 4352 Siskiyou Klamath Nat'l Forest; road to Happy Camp. 731 Comment
  HSC29343  Vaccinium uliginosum Frederick W. Oettinger 1969-9-5 1676 Siskiyou Marble Mountain Wilderness, SE side of Wiregrass meadow below English Lake 1677 Comment
  CAS-BOT-BC199795  Vahlodea atropurpurea Wm. Bridge Cooke 1939-8-24 13892 Siskiyou Along the bank of Squaw Valley Creek in its middle cascade portion Comment
  UCD95093  Vancouveria hexandra AHM 1955-7-29 55 J Siskiyou Klamath National Forest. Clear Lake. 1798 Comment
  UC1409395  Vancouveria hexandra Frederick W. Oettinger 1968-8-17 555 Siskiyou nw Pine Lake (high lake basins in vicinity of English Peak, Marble Mountain Wilderness Area); Salmon Mountains, Marble Mountain Wilderness Area 1859 Comment
  RSA237911  Veratrum viride Frederick W. Oettinger 1969-9-4 1648 Siskiyou Tobacco Lake Meadow. Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1890 Comment
  SEINET3889182  Veratrum viride John M. Tucker 1972-8-8 4243 Siskiyou Marble Mountains; on moist slope just above Little Marble Valley.; 0 1890 Comment
  JEPS23292  Veronica americana Rimo Bacigalupi with Arthur and Ruby Van Deventer 1959-7-9 7261 Siskiyou Poker Flat 1536 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
  HSC90873  Veronica catenata L. R. Heckard, Peter Rubtzoff 1971-8-2 2699 Siskiyou Grain field area along Meese Lake-Sams Nech Rd., 2.2 mi. W of Macdoel 1280 Comment
  CAS-BOT-BC5123  Veronica copelandii Edwin Bingham Copeland 1903-8-18 3931 Siskiyou Mt. Eddy Comment
  CHSC1907  Veronica copelandii N. Jaekel 1939-7-29