Search Results — 2000 specimen records retrieved (1367 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
  HSC67695  Abies X shastensis John Palmer 1980-7-24 577 Siskiyou Klamath National Forest, Elk Hole 1503 Comment
  RSA237368  Abies amabilis Frederick W. Oettinger 1967-8-26 331 Siskiyou Around Diamond Lake; tree at south side of lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2073 Comment
  CAS-BOT-BC419723  Abies concolor Julie Kierstead Nelson; Keli McElroy 2012-8-10 2012 -073 Siskiyou NW side of Gumboot Lake. 1853 Comment
  RSA0091808  Abies concolor Bonnie C. Templeton 1968-6-13 11331 Siskiyou Mt. Shasta, on road to ski bowl. 2835 Comment
  UC618789  Abies concolor W. B. Cooke 1938-9-2 11599 Siskiyou along Sisson Southern Trail; Mount Shasta, Sisson Southern Trail 1524 Comment
  CAS-BOT-BC78105  Abies magnifica Elmer I. Applegate 1923-9-7 3966 Siskiyou Head of Doggett Creek, Siskiyou Mountains Comment
  RSA0091809  Abies magnifica var. shastensis Bonnie C. Templeton 1968-6-13 11332 Siskiyou Mount Shasta, near Panther Meadows. 2835 Comment
  UCD134256  Abies magnifica var. shastensis Robert E. Preston 2001-6-30 1649 e Siskiyou Klamath National Forest, Rainbow Mountain, north slope of east lobe. 1920 Comment
  UC718152  Abies procera Carl B. Wolf 1934-7-5 5969 Siskiyou on road to Horse Creek 2.8 mi from Dry Lake Lookout; Siskiyou Mts. 2133 Comment
  UC1045288  Acer circinatum W. Bridge Cooke 1940-7-12 15309 Siskiyou in the Box Canyon near Mount Shasta City; near the Sacramento River 914 Comment
  RSA96934  Acer circinatum Percy C. Everett, E. K. Balls 1954-10-11 20270 Siskiyou South fork of Sacramento River, 3 miles southwest from town of Mt. Shasta on road to Castle Lake 884 Comment
  CAS-BOT-BC331046  Acer glabrum var. glabrum M. S. Baker 1899-8-1 s.n. Siskiyou Ash Creek, East Slope of Mt. Shasta 1981 Comment
  CAS-BOT-BC330990  Acer glabrum var. glabrum Elmer I. Applegate 1923-9-7 3969 Siskiyou Siskiyou Mountains, Klamath River Watershed. Comment
  SEINET12765788  Acer glabrum var. torreyi Mary Merello, H. H. Schmidt; L. Woodruff 1993-6-22 690 Siskiyou Sasta National Forest outside of Mt. Shasta City. Along Forest Service Road 26 to Lake Siskiyou.; 0 1090 Comment
  POM85908  Acer negundo subsp. californicum Geo. D. Butler 1910-6-30 1617 Siskiyou [Unspecified] Comment
  CHSC3385  Achillea millefolium Alice L. Stoll 1966-5-14 194 Siskiyou Along roadside 2 miles S.E. of Callahan on the Old Oregon Stage Road. Comment
  HSC36755  Achillea millefolium J. P. Smith 1974-5-25 7395 Siskiyou Along Rd. 8, 0.9 mi. from its junction with Hwy. 3 976 Comment
  UC1483458  Achillea millefolium Maralyn A. Renner 1980-7-23 1927 Siskiyou on w side <along> Pacific Coast Trail Upper Devils Peak; Klamath National Forest, Seiad Valley Quad., Pacific Coast T 1767 Comment
  UC642533  Achillea millefolium D. D. Keck 1939-8-10 13873 Siskiyou w bank Mud Creek Canyon; Mount Shasta 2895 Comment
  UCR37814  Achillea millefolium K. T. Stillman 1976-7-15 251 Siskiyou Marble Mountain Wilderness Area, Scott Bar 15' Q. 1951 Comment
  CAS-BOT-BC18866  Achillea millefolium David D. Keck 1938-8-8 4877 Siskiyou Scott Mountain Divide, between Scott Mtn. and Craggy Peak. 1676 Comment
  CAS-BOT-BC30436  Achillea millefolium Carl B. Wolf 1927-8-26 1093 Siskiyou On the Klamath River, 14 mi. above Happy Camp Comment
  RSA238570  Achlys triphylla Frederick W. Oettinger 1969-9-4 1669 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
  CAS-BOT-BC216927  Achnatherum occidentale Louis C. Wheeler 1934-6-11 2684 Siskiyou N Hungry Creek 1310 Comment
  CAS-BOT-BC210866  Achnatherum occidentale subsp. californicum John Thomas Howell 1939-8-6 15095 Siskiyou Elk Mt., Marble Mts. Comment
  UC60168  Achnatherum occidentale subsp. californicum W. L. Jepson 1895-1 Siskiyou Shasta Comment
  UCD51039  Achnatherum occidentale subsp. californicum L. Whitney 1935-7-15 3475 Siskiyou Bullseye Lake, 2 miles southeast of Medicine Lake. Comment
  UC1037164  Achnatherum occidentale subsp. occidentale Leo Whitney 1935-7-15 3475 Siskiyou 2 mi se Medicine Lake (Bullseye Lake); Bullseye Lake Comment
  UC1483495  Achnatherum occidentale subsp. occidentale J. Sawyer and J. Cole 1980-7-21 3905 Siskiyou near Haight Mtn. (along F.S. road running ssw); Bray Quad.; w1/2 1938 Comment
  UCD51434  Achnatherum thurberianum Verne Grant; Irving Schneider 1947-8-26 8298 Siskiyou Lava Beds National Monument. Comment
  UCD103800  Acmispon americanus var. americanus A. A. Heller 1914-8-25 11701 Siskiyou Deetz Station near Black Butte. 1158 Comment
  UC454474  Aconitum columbianum Ira J. Condit 1909-8-23 Siskiyou Castle Lake near Sisson; Castle lake Comment
  UCD95300  Aconitum columbianum Beecher Crampton 1956-8-21 3801 Siskiyou slopes above Gumboot Lake, headwater of the south fork of the Sacramento River. Comment
  HSC36225  Aconitum columbianum subsp. columbianum John Rehling 1974-8-24 48 Siskiyou Trail to Big Duck Lake Comment
  HSC61887  Aconitum columbianum subsp. columbianum Ruby Van Deventer 9 Aug [year missing] Siskiyou Poker Flat 1585 Comment
  CAS-BOT-BC412919  Aconogonon davisiae Edna Kelsey 1961-8-1 s.n. Siskiyou Marble Mts., Skyhigh Lake Comment
  CHSC9484  Aconogonon newberryi J. F. Goodwin 1971-7-3 128 Siskiyou West side of road, 0.3 mi. south of Mt. Shasta Ski Bowl area. 2438 Comment
  RSA184771  Actaea rubra subsp. arguta Gilbert Muth 1966-7-17 39 Siskiyou Trail to lookout, Marble Mtns. Comment
  CAS-BOT-BC29313  Adenocaulon bicolor Laura Myrtle Lathrop 1903-7-16 s.n. Siskiyou Shasta Retreat Comment
  UC454328  Adenocaulon bicolor I. J. Condit 1911-7-15 Siskiyou Tollroad (Shasta Springs to McCloud) Comment
  RSA756836  Adiantum aleuticum Barbara Ertter 1990-7-14 9313 Siskiyou East side of Mount Eddy about 4 air miles due west of Mount Shasta City, at streamlet near end of Forest Road 41N53, about 1 mile north of Morgan Meadows 1677 Comment
  CAS-BOT-BC540710  Agastache urticifolia Dana York 2012-7-22 3145 Siskiyou Siskiyou Mountains: Klamath National Forest, ca. 440 m ESE of Red Butte, springs around Bee Camp 1740 Comment
  HSC61852  Agastache urticifolia Ruby Van Deventer 1938-7-17 Siskiyou Poker Flat 1585 Comment
  HSC63634  Agastache urticifolia J. P. Smith, Steve Selva 1970-8-8 4573 Siskiyou Lava Beds National Monument Comment
  RSA238738  Agoseris aurantiaca Frederick W. Oettinger 1969-7-28 1088 Siskiyou Moist grassy bank NNE of Tom's Lower Pond. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1951 Comment
  RSA14496  Agoseris glauca var. dasycephala Elmer I. Applegate 1923-8-18 3850 Siskiyou 2 miles east of Medicine Lake Comment
  CAS-BOT-BC15383  Agoseris grandiflora var. grandiflora Alice Eastwood; John Thomas Howell 1937-6-26 5064 Siskiyou Near Fork of Salmon River Comment
  CAS-BOT-BC22775  Agoseris heterophylla L. E. Smith 1915-6-1 s.n. Siskiyou Hilt Comment
  UC163889  Agoseris heterophylla var. heterophylla Geo. D. Butler 1910-6-4 1495 Siskiyou Shackleford Creek Comment
  HSC92584  Agoseris monticola Jennifer Whipple 1977-8-4 2159 Siskiyou Wagon Creek Drainage near Wagon Creek 2195 Comment
  JEPS36266  Agoseris retrorsa Geo. D. Butler 1908-7-20 302 Siskiyou Humbug Creek Comment
  POM33138  Agoseris retrorsa Geo. D. Butler 1910-5-15 1347 Siskiyou Greenhorn Mountain 1067 Comment
  RSA120644  Agropyron desertorum G. D. Barbe 1955-06 76 Siskiyou 1 1/4 mi E of Etna near junction of West side road and East West road Comment
  SEINET5335873  Agropyron trachycaulum G. Butler 1910-7-3 1624 Siskiyou Goosenest Foothills 1219 Comment
  RSA13870  Agrostis exarata L. C. Wheeler 1934-6-26 2792 Siskiyou Siskiyou Mountains, Cottonwood Creek. 838 Comment
  SEINET13768145  Agrostis exarata L. C. Wheeler 1934-8-14 3144 Siskiyou White Mountain: east end. 1768 Comment
  HSC39668  Agrostis idahoensis J. P. Smith, J. O. Sawyer, Maralyn O'Meara 1972-7-4 5732 Siskiyou Roadside, 1.4 mi. S of Sugar Creek on Parrott Mill Road 1341 Comment
  HSC22423  Agrostis pallens J. O. Sawyer 1969-8-1 1693 Siskiyou SE facing slope above Duck Lake Creek 1951 Comment
  HSC30521  Agrostis pallens Frederick W. Oettinger 1969-9-3 1612 Siskiyou Marble Mtn. Wilderness Area, Shasta Ridge 2073 Comment
  HSC70732  Agrostis pallens Ruby Van Deventer 1955-8-1 Siskiyou Forest Service Road 17N04 Comment
  RSA603997  Agrostis pallens L. C. Wheeler 1934-8-14 3144 Siskiyou White Mountain: East end. 1767 Comment
  SEINET7594101 Image available Agrostis pallens F. W. Oettinger 1969-1 1456 Siskiyou between King Davids Peak and Abbotts basin, Salmon Mountains 1905 Comment
  UC1153941  Agrostis scabra Alfred H. Murphy 1957-8-16 56 W Siskiyou Tangle Blue Lake Klamath National Forest 1767 Comment
  UCD53399  Agrostis scabra R. Tofsrud 1950-7-1 s.n. Siskiyou E side of Mt. Shasta. Comment
  CHSC88097  Agrostis stolonifera Jenny Marr 1993-7-1 107 Siskiyou Butte Valley Wildlife Area, +/- 7 air miles NW of the town of MacDoel. Meadow NW of Meiss Lake. 1349 Comment
  UC1059002  Agrostis thurberiana Beecher Crampton 1956-8-22 3856 Siskiyou Panther Meadow, s slope of Mt. Shasta Mt. Shasta 2316 Comment
  CAS-BOT-BC138478  Agrostis variabilis Ira L. Wiggins 1955-7-27 13530 Siskiyou Caribou Lake, Salmon-Trinity Alps Primitive Area. 2042 Comment
  POM259583  Agrostis variabilis J. T. Howell 1939-8-9 15214 Siskiyou Sky High Valley, Marble Mountains. 1829 Comment
  RSA550898  Agrostis variabilis R. F. Thorne, Frederick W. Oettinger 1969-8-10 38979 Siskiyou Mt. Shasta National Forest: S Slope of Mt. Shasta, [along] streamlet originating as overflow from large water tank above ski-lodge 2317 Comment
  UCD53689  Agrostis variabilis Beecher Crampton 1956-8-22 3857 Siskiyou Panther Meadow, south slope of Mt. Shasta. 2316 Comment
  CHSC118453  Allium amplectens Julie Kierstead Nelson; Martin Lenz, Rhonds Posey, Brenna Mmontagne 2016-6-9 2016 -004 Siskiyou Lower Parks Creek watershed, E Klamath Range; seasonally wet sloping grassland in Pinus jeffreyi-Calocedrus decurrens woodland on untramafic clay soil, along Forests Service Road 42N19, 3 miles noerthwest of Stewart Springs. UTM NAD 83 Zone 10, 539582m E, 458690m N. 1371 Comment
  CAS-BOT-BC462996  Allium bolanderi Volney Rattan 1903-1-1 s.n. Siskiyou Klamath Comment
  SEINET8118880  Allium bolanderi G. D. Butler 1910-6-3 1469 Siskiyou Quartz Valley. Comment
  HSC58838  Allium campanulatum Marvin Butler 1971-7-28 221 Siskiyou Near Marv's Meadow 2073 Comment
  UC164284  Allium campanulatum Geo. D. Butler 1908-8-9 111 Siskiyou summit above Cold Spring; Woolly Creek Comment
  HSC76636  Allium falcifolium K. T. Stillman 1976-6-25 54 Siskiyou Marble Mountain Wilderness Area. 1829 Comment
  HSC82287  Allium falcifolium Thomas W. Nelson, Jane P. Nelson 1979-6-15 4810 Siskiyou Along road to Carmen Lake, 0.6 mi. from junction with State Route. 1646 Comment
  CAS-BOT-BC469233  Allium falcifolium Milo S. Baker 1957-6-16 13123 Siskiyou Scott Mountain, North Coast Ranges 1645 Comment
  CAS-BOT-BC469235  Allium falcifolium A. A. Heller 1916-7-22 12491 Siskiyou East side of Mt. Eddy Comment
  UC15003  Allium siskiyouense Harley P. Chandler June, 1901 1647 Siskiyou Marble Mountain North Coast Ranges, Marble Mountain 2438 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
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Mar 27 2015
  HSC78219  Allium validum L. P. Janeway 1983-8-6 512 Siskiyou At Poker Flat, lower part of meadow near drainage 1524 Comment
  CAS-BOT-BC169384  Alnus viridis subsp. sinuata Harley P. Chandler 1901-6-1 1618 Siskiyou Ridges and meadows near Marble Mountain 2133 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
  CAS-BOT-BC539680  Alnus viridis subsp. sinuata Doris K. Kildale 1929-7-20 8721 Siskiyou Raspberry Lake, upper Indian Creek 1828 Comment
  CAS-BOT-BC17203  Alyssum alyssoides L. E. Smith 1914-5-6 655 Siskiyou Yreka. Comment
  HSC68495  Alyssum alyssoides Maralyn A. Renner 1980-6-10 870 Siskiyou Ridge 1 mi. S of Greenhorn Rd. and 1 mi. E of Mill Creek. 1341 Comment
  SEINET7903653  Amaranthus californicus D. Butler 1910-8-5 1812 Siskiyou Yreka Comment
  HSC2909  Amaranthus hybridus D. M. Thomson 1965-7-31 157 Siskiyou Lava Beds National Monument, Telephone Line Rd., by dump. 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
  HSC18534  Amelanchier pallida R. C. Wunner 1965-8-21 465 Siskiyou California Lava Beds National Monument; 1/4 mile S from Cinder Pit in direction of Caldwell Cave 1402 Comment
  HSC65538  Amelanchier pallida R. White 1977-6-20 88 Siskiyou NE area around Devil's Punchbowl 1433 Comment
  RSA47626  Amelanchier pallida Roxana S. Ferris 1948-6-12 11800 Siskiyou At Mule Creek crossing on Scott Mt. Road so. of Callahan. 1463 Comment
  CAS-BOT-BC136906  Amelanchier utahensis Alice Eastwood 1923-5-23 11931 Siskiyou Along railroad between Mott and Cantara Comment
  UC555443  Amelanchier utahensis Dorothy Tebbe 1929-6-5 126 Siskiyou Mt. Eddy Comment
  CAS-BOT-BC45210  Anaphalis margaritacea A. A. Heller 1915-8-26 12247 Siskiyou Wagon Creek at the foot of Mt. Eddy 1127 Comment
  CAS-BOT-BC45212  Anaphalis margaritacea A. A. Heller 1914-8-28 11734 Siskiyou East side of Mount Eddy 2103 Comment
  UCD77331  Anaphalis margaritacea Robert E. Preston 2003-7-29 2166 Siskiyou S slope of Rainbow Mountain 1785 Comment
  RSA96846  Anaphalis margaritacea Percy C. Everett, E. K. Balls 1954-10-14 20295 Siskiyou Along Klamath River, 7.6 mi. N of Somesbar, Hwy 96. 244 Comment
  HSC24626  Androsace elongata subsp. acuta L. C. Wheeler 1935-4-18 3432 Siskiyou Greenhorn Creek, Siskiyou Mountains, alt. 3100 ft. S30 T45N R7W 945 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
  POM365633  Anemone deltoidea M. B. Dunkle 1944-6-25 9000 Siskiyou Siskiyou National Forest. 1677 Comment
  CHSC1425  Anemone drummondii M. Yoder 1941-7-6 Siskiyou Castle Lake. 1981 Comment
  HSC58914  Anemone drummondii Marvin Butler 1971-7-7 56 Siskiyou Near El Capitan, close to the town of Cave Junction 1585 Comment
  SEINET12093239  Anemone multifida Unknown 1982-1 20589 Siskiyou Cook and Green Pass area, near Lily Pad Lake 1676 Comment
  HSC34320  Anemone occidentalis J. P. Smith, J. O. Sawyer 1973-8-14 7321 Siskiyou W of Cliff Lake 1982 Comment
  RSA215648  Anemone occidentalis Gilbert Muth 1969-8-7 1227 Siskiyou damp shaded area on east side of Boulder Peak Ridge in Subalpine Forest. 2470 Comment
  RSA470339  Angelica arguta var. arguta M. B. Dunkle 1945-1 9339 Siskiyou Klamath National Forest; Marble Mountains, Black Marble ridge [?]. Comment
  RSA470338  Angelica arguta var. arguta L. C. Wheeler 1934-8-16 3167 Siskiyou Siskiyou Mountains: 2 mi. east of White Mt. (Mt. Diablo Mer.) 1920 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-BC59279  Antennaria argentea L. E. Smith 1913-4-26 123 Siskiyou Dunsmuir Comment
  JEPS33946  Antennaria argentea W. L. Jepson 1937-7-23 18462 Siskiyou Yreka Comment
  JEPS33940  Antennaria argentea W. L. Jepson 1902-7-21 2086 Siskiyou near Cecilville Comment
  CHSC91381  Antennaria dimorpha Lowell Ahart; John Dittes 2005-6-10 12075 Siskiyou On the south side of a poor dirt road, about 100 yards northwest of the pump house along the Shasta River, about 1.9 miles (air) south of Highway 99/97 Cutoff, about 6 miles (air) east-southeast of Grenada. 776 Comment
  CAS-BOT-BC59160  Antennaria dimorpha H. M. Hall; E. B. Babcock 1903-6-1 4101 Siskiyou Little Shasta Valley, 853 Comment
  CAS-BOT-BC59162  Antennaria dimorpha Dorothy Parker 1951-5-1 503 Siskiyou Mt. Boliver 1371 Comment
  RSA93675  Antennaria geyeri F. W. Peirson 1923-7-20 3893 Siskiyou 2 miles below camp on Whitney Creek, Mt. Shasta. Comment
  CHSC258  Antennaria media K. Jaekel 1939-8-8 Siskiyou Mt. Eddy. 2743 Comment
  RSA238723  Antennaria media Frederick W. Oettinger 1969-9-2 1598 Siskiyou The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. Moist, rocky sedge meadow of late snow hold area on the N side of English Peak. Comment
  RSA233704  Antennaria rosea R. F. Thorne, Frederick W. Oettinger 1969-8-10 38973 Siskiyou S slope of Mt. Shasta, Panther Creek Meadows 2195 Comment
  RSA238707  Antennaria rosea Frederick W. Oettinger, J. Morrison 1967-8-17 277 Siskiyou Common on Shasta Ridge, approx. 0.1 mi. SSW of Diamond Lake; e-facing slope amid granite boulders near woods edge. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2098 Comment
  RSA416680  Antennaria rosea M. B. Dunkle 1945-08 9295 Siskiyou Klamath National Forest Marble Mts. Comment
  HSC29203  Antennaria umbrinella Frederick W. Oettinger 1969-9-3 1615 Siskiyou Marble Mtn. Wilderness Area, 'Shasta Ridge' between English Peak and Diamond Lake 2073 Comment
  CHSC1686  Antirrhinum vexillo-calyculatum subsp. breweri V. Holt 1943-8-5 Siskiyou Scott Valley. 1158 Comment
  POM15415  Antirrhinum vexillocalyculatum subsp. breweri Geo. D. Butler 1910-6-17 1569 Siskiyou Humbug Mountain. 1067 Comment
  CHSC71338  Apera interrupta Vernon H. Oswald; Mike Dolan, Beth Corbin 1998-6-27 9243 Siskiyou Big Tableland at the southwest edge of the Lower Klamath National Wildlife Refuge. 1353 Comment
  UC141642  Apocynum androsaemifolium Wm. M. Canby, Profs. C. S. Sargent and John Muir 1897-9-7 196 Siskiyou Mt. Shasta Comment
  HSC153  Apocynum androsaemifolium William J. Ferlatte 1966-8-3 253 Siskiyou Mtn. Meadow Ranch 1524 Comment
  CAS-BOT-BC397942  Aquilegia formosa Doris K. Kildale 1928-7-2 5398 Siskiyou Salmon Summit, Horn Creek Trail 1981 Comment
  UC166049  Aquilegia formosa Geo. D. Butler 1909-6-23 902 Siskiyou Goosenest foothills Comment
  UCD77343  Aquilegia formosa Robert E. Preston 2001-6-23 1601 Siskiyou Klamath National Forest, n-facing slope of Rainbow Mtn, T42N R1W nw 1/4 of nw 1/4 Section 23 2011 Comment
  SD98958  Aquilegia formosa Darley F. Howe 1977-7-1 Siskiyou Scott Mt. Creek, Scott Mts. 1096 Comment
  HSC69025  Aquilegia formosa var. formosa Maralyn A. Renner 1980-7-28 2192 Siskiyou E spur of Kangaroo Mtn., near ridge 1890 Comment
  RSA211137  Aquilegia formosa var. truncata William J. Ferlatte 1966-8-17 392 Siskiyou Caribou Basin; Trinity Alps. 1982 Comment
  RSA238278  Aquilegia formosa var. truncata Frederick W. Oettinger 1968-8-6 422 Siskiyou SE corner of Hancock Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1936 Comment
  HSC39213  Arabis breweri var. breweri J. P. Smith 1976-5-4 8669 Siskiyou SR 263 near junction with SR 96, above Shasta River 671 Comment
  HSC81529  Arabis divaricarpa Thomas W. Nelson, Jane P. Nelson 1980-7-19 6196 Siskiyou Along USFS Rd. 39N01 A at Fox Creek, 1 mi. from jct. with 39N01 1677 Comment
  RSA0126137  Arabis divaricarpa var. interposita Geo. D. Butler 1910-6-5 1547 Siskiyou Log Lake, Shackleford Creek. Comment
  HSC62591  Arabis glabra Al Hobart 1967-8-8 Siskiyou Youngs Valley Comment
  UC618764  Arabis glabra Reed Rollins 1938-7-15 11200 Siskiyou Bear Springs, meadow between Bear Springs creeks Mount Shasta 1524 Comment
  RSA0125767  Arabis glabra Frederick W. Oettinger, R. F. Thorne 1969-8-9 1309 Siskiyou Abbott s Upper Cabin. Salmon Mts. The High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1524 Comment
  RSA47780  Arabis holboellii var. pinetorum Roxana S. Ferris, Laura Lorraine 11858 Siskiyou 1.5 miles below summit of Gazelle Mountain grade, east side. 1418 Comment
  POM266029  Arabis oregana Lincoln Constance, Reed C. Rollins 1942-5-13 2915 Siskiyou Scott River 10 miles southwest of Scott Bar. 610 Comment
  HSC22085  Arabis platysperma J. O. Sawyer 1969-8-4 1835 Siskiyou Above Sugar Lake 2134 Comment
  HSC29138  Arabis platysperma var. howellii Frederick W. Oettinger 1968-8-4 390 Siskiyou Vicinity of English Peak, Marble Mountain Wilderness Area; trail N of Crapo Peak Ridge 2195 Comment
  HSC79314  Arabis repanda D. H. Norris 1968-7-29 2210 Siskiyou Along trail from Big Flat to Yellow Rose Mine 1677 Comment
  SEINET5340782  Arabis sparsiflora G. Butler 1910-5-21 1382 Siskiyou Klamath Hills. Comment
  UCR37603  Arabis subpinnatifida K. Faber, Scott LaChance, Mike Rekart 1984-5-26 51 Siskiyou 0.7 mi. from Scott Mtn. 1672 Comment
  UC1190174  Aralia californica Ira L. Wiggins 1955-7-22 13455 Siskiyou S. Fork Salmon R. 9.5 mi. above Cecilville; S. Fork Salmon R. Comment
  UC1034066  Arceuthobium americanum WBC 1941-6-12 16034 Siskiyou Military Pass on ne side of mtn Mt. Shasta 1828 Comment
  HSC29239  Arceuthobium campylopodum Frederick W. Oettinger 1969-8-22 1509 Siskiyou Marble Mtn. Wilderness Area, just W of outlet and along shoreline of Horse Range Lake 1822 Comment
  CAS-BOT-BC40017  Arctostaphylos nevadensis Edna Kelsey 1961-8-1 s.n. Siskiyou Marble Mts., Shackleford Trail below Bull Meadow Comment
  HSC4924  Arctostaphylos nevadensis J. O. Sawyer 1968-6-25 336 Siskiyou 1646 Comment
  HSC58863  Arctostaphylos nevadensis Marvin Butler 1971-7-6 25 Siskiyou Near El Capitan 1524 Comment
  POM367358  Arctostaphylos nevadensis H. P. Bracelin 1931-6-19 428 Siskiyou North side of Mt. Eddy, up from Metcalf's ranch house. 1250 Comment
  POM367359  Arctostaphylos nevadensis L. C. Wheeler 1934-7-23 2943 Siskiyou Long John Creek. 1463 Comment
  UC1733768  Arctostaphylos nevadensis Kay H. Beach 1940-5-15 633 Siskiyou between Bull Meadows and Goosenest Mtn. Goosenest Mtn. 2133 Comment
  CAS-BOT-BC45412  Arctostaphylos nevadensis subsp. knightii C. Hart Merriam 1910-10-1 s.n. Siskiyou Happy Camp, Klamath River. Comment
  CAS-BOT-BC46514  Arctostaphylos patula A. A. Heller 1921-7-23 13586 Siskiyou Very common near the ice cave near the Pilgrim Creek forestry nursery. Comment
  HSC67779  Arctostaphylos patula J. O. Sawyer, J. Cole 1980-7-21 3864 Siskiyou N of FS Rd. 44N01 near intersection with road to Lava Camp. 1677 Comment
  HSC744  Arctostaphylos patula William J. Ferlatte 1967-6-29 579 Siskiyou Dorleska Summit 2134 Comment
  JEPS20041  Arctostaphylos patula George D. Butler 1909-3-28 586 Siskiyou hill w Yreka Comment
  JEPS38843  Arctostaphylos patula Willis L. Jepson July 1894 14720 Siskiyou near Sisson; Mt. Shasta Comment
  OBI36635  Arctostaphylos patula David J. Keil 1983-7-3 17380 Siskiyou 11 mi NE of jctn with SR 3 along Gazelle-Callahan rd Comment
  UCD53258  Arctostaphylos patula Harriet P. Kelley 1914-3-22 s.n. Siskiyou Dunsmuir. Comment
  CAS-BOT-BC46493  Arctostaphylos patula W. B. C. 1938-6-16 11016 Siskiyou Sisson Southern Trail. 1524 Comment
  UC1190191  Arenaria congesta var. suffrutescens Ira L. Wiggins 1955-7-27 13515 Siskiyou Salmon-Trinity Alps Primitive Area, Caribou Lake 2042 Comment
  UCD56498  Aristida oligantha Beecher Crampton 1956-8-20 3798 Siskiyou along US Hwy. 99, 1/2 mile south of Dunsmuir. 701 Comment
  HSC62127  Arnica amplexicaulis Al Hobart 5 Aug [year missing] Siskiyou Preston Peak Comment
  UC1408757  Arnica cordifolia Frederick W. Oettinger 1969-7-14 1023 Siskiyou high above, open rocky slope, (on route to Charmaine Lake) English Lake; Salmon Mountains, English Peak, Marble Mountain Wilderness A 1920 Comment
  CAS-BOT-BC82366  Arnica cordifolia L. E. Smith 1914-5-12 693 Siskiyou Weed 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
  HSC22128  Arnica discoidea J. O. Sawyer 1969-6-11 825 Siskiyou Lower slope near C.C.C. road on the N fork of Horse Range Creek 1357 Comment
  UC585251  Arnica discoidea E. B. Babcock, G. L. Stebbins Jr. 1936-6-13 1997 Siskiyou about 1 1/2 mi w Mt. Shasta City (e and ne slope of spur of Rainbow Ridge above Sulloway Creek); Rainbow Ridge 1188 Comment
  HSC60833  Arnica discoidea Ruby Van Deventer 1962-8-15 Siskiyou Bell Echo Camp in Young's Valley; 1 mile south of Bell Echo 1372 Comment
  RSA240077  Arnica discoidea Frederick W. Oettinger 1969-8-9 1323 Siskiyou Along main trail (North fork of Salmon River) between 5 mile Stock Gate and Abbott's Upper Cabin. 1098 Comment
  HSC22160  Arnica latifolia J. O. Sawyer 1969-6-12 930 Siskiyou Along trail to Duck Lake 1799 Comment
  UC129423  Arnica latifolia Harley P. Chandler 1901-6-1 1699 Siskiyou Shackleford Canyon North Coast Ranges, Marble Mountain ((ridges and meadows near Marble Mountain)) 1828 Comment
  HSC96404  Arnica mollis Gordon Leppig, J. Kalt 1996-7-9 349 Siskiyou Klamath National Forest, Russian Wilderness, cirque W of Little Duck Lake 2200 Comment
  UC1040751  Arnica mollis A. H. Murphy 1956-8-16 56 Q Siskiyou Big Marshy Meadows Klamath National Forest 1981 Comment
  UCD129170  Arnica mollis J. M. Tucker 1974-7-28 4322 Siskiyou Marble Mountain Wilderness Area, Haypress Meadows. 1463 Comment
  RSA237477  Arnica nevadensis Frederick W. Oettinger 1967-7-20 177 Siskiyou SSE of Diamond Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2073 Comment
  UCD70118  Arnica viscosa D. Sanchez-Mata 1997-9-18 s.n. Siskiyou Mount Shasta-McCloud. Snowmans Hill. Ski Park (Mount Shasta) Road. Mount Shasta basis. 1720 Comment
  CAS-BOT-BC90476  Artemisia douglasiana Ira L. Wiggins 1955-7-26 13511 Siskiyou Banks of S Fork of Salmon R just above mouth of Blind Horse Creek 886 Comment
  UC166156  Artemisia dracunculus Geo. D. Butler 1910-9-16 1878 Siskiyou Yreka Flat Comment
  UC630385  Artemisia norvegica subsp. saxatilis Annetta Carter 1939-8-21 1471 Siskiyou steep slope above se end Taylor Lake (12 mi sw of Etna); Salmon Mountains 2194 Comment
  HSC92872  Artemisia tridentata subsp. tridentata Jennifer Whipple 1976-9-4 1805 Siskiyou Dale Creek Drainage on the N face of Mt. Eddy 2226 Comment
  JEPS94848  Artemisia tridentata subsp. tridentata Vernon H. Oswald and Lowell Ahart 1998-9-16 9629 Siskiyou near the junction of Meiss Lake-Sams Neck Rd. and Hwy. 97 (ca 5 mi n of Macdoel); Butte Valley National Grassland 1295 Comment
  RSA417428  Artemisia tridentata subsp. tridentata M. B. Dunkle 1929-8-26 2328 Siskiyou Golden Trout Creek. 2744 Comment
  RSA537374  Aruncus vulgaris Walter Wisura 1991-10-18 4599 Siskiyou Salmon river, 5.7 mi E of Somes Bar, Shaded seapage area. Comment
  JEPS24614  Asarum caudatum Rimo Bacigalupi with Dr. Reino and Dr. Aloha Alava 1958-8-31 6767 Siskiyou Along S.P. (Shasta Route) railway grade in the upper Sacramento River Canyon; in the 1 1/2 mile stretch between Shasta Retreat (at northern ouskirts of Dunsmuir) to Mossbrae Falls and Shasta Springs 731 Comment
  CAS-BOT-BC400702  Asarum hartwegii Wm. Bridge Cooke 1938-6-24 11105 Siskiyou Mount Shasta. Sisson Southern Trail Comment
  RSA239010  Asarum hartwegii Frederick W. Oettinger 1966-7-25 38 Siskiyou Vicinity of Timber Gulch, Klamath National Forest; Cecilville 671 Comment
  UC705671  Asclepias cordifolia Marion Ownbey, Fred G. Meyer 1940-7-6 2202 Siskiyou Cayenne Ridge Marble Mountain Comment
  UC1242062  Aspidotis densa Don Branscomb 1958-7-17 Siskiyou w Dunsmuir; Scott Mts Comment
  RSA237847  Aspidotis densa Frederick W. Oettinger 1968-8-23 610 Siskiyou 50 feet below Diamond Lake at base of sheer cliff. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2058 Comment
  RSA60664  Aspidotis densa I. L. Wiggins 1950-5-28 12379 Siskiyou Just above Grouse Lake, headwaters of Grouse Lake 1829 Comment
  SEINET10568096  Aspidotis densa David B. Dunn, Melvin L. Conrad; Douglas G. LeDoux 1973-6-3 Dunn 20652 Siskiyou Vicinity of the Campground on the Salmon River, 8.3 mi W of Cecilville. Yellow pine forest with Douglas Fir. Area with mostly metamorphic rocks. Area very rocky and gravelly. Comment
  UCR139080  Aster ledophyllus Jennifer Whipple 1977-8-4 2158 D Siskiyou Klamath Mountains, Wagon Creek drainagee on the E face of Mount Eddy 2226 Comment
  RSA238765  Aster radulinus Frederick W. Oettinger 1969-8-29 1563 Siskiyou Above 'Willow Springs' between Abbotts Upper Calvin and English Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1677 Comment
  UC82618  Astragalus accidens var. hendersonii Copeland 1903-7-6 3512 Siskiyou Hornbrook Comment
  RSA0006720  Astragalus californicus R. C. Barneby 1954-5-15 11499 Siskiyou open volcanic hillside among rabbit brush, NE of Weed. 1387 Comment
  UC1128798  Astragalus curvicarpus var. curvicarpus M. H. Mitchell 1936-5-14 Siskiyou Hospital Rock Dorris Quad., Modoc Lava Beds Natl Monument, Hospital Rock 1249 Comment
  UC195172  Astragalus lentiginosus var. lentiginosus Annie M. Alexander and Louise Kellogg 1911-6-4 105 Siskiyou Mayten Comment
  HSC36940  Astragalus lentiginosus var. lentiginosus J. P. Smith 1974-5-27 7611 Siskiyou Along FS Rd. 47N03 1280 Comment
  HSC76923  Astragalus purshii var. lectulus K. T. Stillman 1976-6-26 137 Siskiyou Marble Mountain Wilderness Area, Kings Castle. 2134 Comment
  UC862793  Astragalus whitneyi Alice Eastwood 1912-8-30 2006 Siskiyou Mount Eddy Comment
  CAS-BOT-BC198706  Astragalus whitneyi var. siskiyouensis A. A. Heller 1916-7-22 12487 Siskiyou East side of Mt. Eddy Comment
  UC220844  Athyrium filix-femina var. cyclosorum H. E. Brown Jul 15 1897-Jul 31 1897 544 Siskiyou s side Mt Shasta 1524 Comment
  UC399379  Athyrium filix-femina var. cyclosorum Geo. D. Butler 1908-8-4 244 Siskiyou Woolly Creek Cold Spring Comment
  CAS-BOT-BC66196  Athyrium filix-femina var. cyclosorum Geo. D. Butler 1910-7-1 1685 Siskiyou Shackleford Creek 1219 Comment
  HSC29369  Athyrium filix-femina var. cyclosorum Frederick W. Oettinger 1966-8-7 44 Siskiyou High Lake Basins: just below spring at Tom Taylor Cabin 2043 Comment
  CAS-BOT-BC17616  Athysanus pusillus Roxana S. Ferris; Laura Lorraine 1948-6-12 11856 Siskiyou 1.5 miles below summit of Gazelle Mountain grade, east side. 1417 Comment
  JEPS93959  Atriplex rosea Vernon H. Oswald and Lowell Ahart 1998-9-16 9652 Siskiyou 2 mi s of Highway 161 (Return leg of the Tour Route at Lower Klamath National Wildlife Refuge); Lower Klamath National Wildlife Refuge 1243 Comment
  RSA65340  Atriplex truncata L. C. Wheeler 1934-10-21 3330 Siskiyou Shasta Valley 4 mi E Grenada 869 Comment
  UC203922  Avena fatua Geo. D. Butler 1909-9-26 870 Siskiyou along creek near Yreka Comment
  CAS-BOT-BC106539  Balsamorhiza deltoidea Geo. D. Butler 1910-4-16 1180 Siskiyou Klamath Hills Comment
  POM30828  Balsamorhiza deltoidea Geo. D. Butler 1910-4-16 1180 Siskiyou Klamath hills Comment
  RSA0125839  Balsamorhiza hookeri var. lanata M. S. Baker 1933-4-22 7423 Siskiyou 2 miles S of Yreka. Comment
  CAS-BOT-BC100063  Balsamorhiza lanata Geo. D. Butler 1959-4-14 635 Siskiyou hills, Yreka Comment
  SFV3761  Balsamorhiza lanata D. Parker 1951-4-19 544 Siskiyou Near Callahan. 945 Comment
  RSA121103  Balsamorhiza sagittata M. H. Mitchell 1936-5-8 s.n. Siskiyou 0.25 mile east of Symbol Bridge on Road 1418 Comment
  UC1540008  Balsamorhiza sagittata M. Mitchell 1936-5-8 7 Siskiyou 1/4 mi e of, on road Symbol Bridge 1417 Comment
  HSC86999  Balsamorhiza sagittata Brent Helm, Curtis Miller, Mark Steiger 1988-3-28 34 Siskiyou Mouth of Shasta River on Hwy. 96 Comment
  RSA237267  Barbarea orthoceras Frederick W. Oettinger 1969-8-22 1498 Siskiyou North side of Horse s Hole, near Horse Range Lake; The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1875 Comment
  CAS-BOT-BC145847  Beckmannia syzigachne Dorothy Parker 1950-6-21 s.n. Siskiyou Scott Valley (Fay Lane). 853 Comment
  HSC43331  Berberis aquifolium var. aquifolium Maralyn O'Meara 1974-5-27 472 Siskiyou Along FS Rd. 47N03 1646 Comment
  HSC58852  Berberis aquifolium var. aquifolium Marvin Butler 1971-7-11 93 Siskiyou Near Youngs Valley, close to the town of Cave Junction 1403 Comment
  JEPS108613  Berberis aquifolium var. aquifolium R. Raiche 1986-7-15 60327 Siskiyou Herd peak Road, herd Mt., NE of Weed 1688 Comment
  HSC22117  Berberis aquifolium var. dictyota J. O. Sawyer 1969-8-17 2018 Siskiyou SW facing slope near C.C.C. road 1341 Comment
  HSC27230  Berberis aquifolium var. repens J. P. Smith, J. O. Sawyer 1971-9-18 4804 Siskiyou 0.2 mi. W of the jct. of Hwy. 3 and Rd. 8 N of Callahan. Comment
  HSC30650  Berberis nervosa Frederick W. Oettinger 1969-8-25 1551 Siskiyou High Lake Basins in the vicinity of English Peak, Marble Mtn. Wilderness Area; Little N Fork stream along new trail from end of logging road to Devils Canyon trail 1220 Comment
  HSC3351  Berberis nervosa Jerry Parker 1968-10-6 151 Siskiyou 1372 Comment
  CAS-BOT-BC75926  Berberis piperiana L. B. Kildale 1930-6-1 9822 Siskiyou Etna Mills. Comment
  CAS-BOT-BC75945  Berberis piperiana Mrs. H. P. Bracelin 1936-5-12 849 Siskiyou North base of Mount Eddy. 11 miles northwest of Mount Shasta City. About 2 miles east of Burney Mill. 1127 Comment
  CAS-BOT-BC76006  Berberis pumila John Thomas Howell; T. C. Fuller; G. D. Barbe 1980-4-29 53389 Siskiyou Forest Mountain Summit, 6 miles southwest of Yreka on road to Fort Jones. 1249 Comment
  CDA34722  Berula erecta L. Ahart, John Dittes 2010-7-3 16934 Siskiyou Along the west edge of the Shasta River, about 30 yards northwest of the East Louie Road Bridge, Shasta Big Springs Ranch, 1.6 miles (air) southwest of Big Springs Lake, 4.6 miles (air) northwest of Dwinnel Dam, 5.7 miles (air) southeast of Grenada. Comment
  CHSC110508  Betula occidentalis Julie Kierstead Nelson; R. Posey, P. Zika, T. Derksen 2012-6-21 2012 -058 Siskiyou South Fork Willow Creek, foothills of N side Scott Mountain Rd. 42N19 Sec. 30; ca 1 mile S of Gazelle-Callahan Hwy. 1158 Comment
  UC61656  Betula occidentalis Geo. B. Grant September, 1902 5077 Siskiyou Sisson Mount Shasta 914 Comment
Read comments
1
  CAS-BOT-BC169487  Betula occidentalis W. R. Dudley 1905-8-4 s.n. Siskiyou Sacramento River Comment
  CAS-BOT-BC102118  Bidens cernua Alice Eastwood 1917-9-2 6658 Siskiyou Shasta Springs Comment
  HSC64428  Bistorta bistortoides J. P. Smith, Steve Selva 1970-7-17 4478 Siskiyou Below Kangaroo Lake. 1890 Comment
  CAS-BOT-BC127944  Blepharipappus scaber Dorothy Parker 1948-5-16 s.n. Siskiyou east side of Scott Valley 914 Comment
  CHSC36146  Blepharipappus scaber K. Bridwell; D. Bateman 1978-7-6 170 Siskiyou N slope of Sheep Mountain, ca. 10 mi e of Macdoel. 1645 Comment
  OBI55409  Blepharipappus scaber David J. Keil, Kathleen Keil 1992-7-21 23513 Siskiyou Klamath Natl forest SE of Callahan on hwy 3, 5.3 mi NW of Scott Mtn summit Comment
  POM351061  Blepharipappus scaber L. C. Wheeler 1935-6-9 3553 Siskiyou Yreka Creek, Siskiyou Mountains. 1220 Comment
  RSA120894  Blepharipappus scaber Milo S. Baker 1957-6-16 13125 Siskiyou Scott Mountain. 1616 Comment
  SEINET193231  Boechera breweri Lincoln Constance, Reed C. Rollins 1942-5-14 2930 Siskiyou Shasta River 6 miles north of Yreka. 762 Comment
  CAS-BOT-BC16023  Boechera breweri subsp. breweri Lyman Benson 1929-3-27 1073 Siskiyou Slopes above Klamath River. Comment
  SEINET5340096  Boechera breweri subsp. shastaensis G. Butler 1910-5-21 1379 Siskiyou Klamath River rock crevices. Comment
  UCD114343  Boechera howellii Robert E. Preston 1996-7-23 980 Siskiyou 1 mi e of Medicine Lake. 2072 Comment
  CAS-BOT-BC14135  Boechera pendulocarpa C. L. Hitchcock; J. S. Martin 1939-7-9 5322 Siskiyou 0.5 mile southeast of King's Castle. 1828 Comment
  SEINET12004229  Boechera retrofracta Unknown 1936-1 13433 Siskiyou Weed Comment
  CAS-BOT-BC25728  Boechera sparsiflora Roxana S. Ferris; Laura Lorraine 1948-6-12 11838 Siskiyou Gazelle Mountain grade, road between Callahan and Gazelle. 1499 Comment
  UC1045263  Boechera sparsiflora Reed Rollins 1940-7-26 15365 Siskiyou Diller Canyon Mount Shasta 1828 Comment
  UCD114377  Boechera sparsiflora Wm. E. Moon 1958-5-29 s.n. Siskiyou State Hwy. 97, 12 miles northeast of Weed. 1219 Comment
  CAS-BOT-BC25691  Boechera sparsiflora John Thomas Howell 1937-7-26 13567 Siskiyou Salmon River Canyon. Between Big Flat and Caribou Gulch. Comment
  CAS-BOT-BC25873  Boechera subpinnatifida Lincoln Constance; Reed Clark Rollins 1942-5-14 2923 Siskiyou Klamath-Siskiyou Region. Road to Walker Post Office, 4 miles west of Yreka. 1219 Comment
  CAS-BOT-BC25929  Boechera suffrutescens John Thomas Howell 1937-7-24 13379 Siskiyou Salmon-Trinity Alps. Caribou Basin. 2286 Comment
  RSA43885  Boisduvalia densiflora var. densiflora H. M. Pollard 1948-8-11 s.n. Siskiyou Irving Creek, near Somes Bar. Comment
  JEPS375  Botrychium pinnatum Leonard Joss 1921-1 Siskiyou W of Etna Mills Comment
  JEPS18783  Brickellia californica Geo. D. Butler 1909-9-20 948 Siskiyou along creek near Yreka Comment
  UC163913  Brickellia californica Geo. D. Butler 1909-9-20 948 Siskiyou near Yreka Comment
  SEINET10533785  Brodiaea crocea George D. Butler 1910-5-5 Butler 1287 Siskiyou Humbug Mountain Comment
  CAS-BOT-BC149054  Bromus carinatus var. carinatus R. E. Frenkel 1963-7-13 223 Siskiyou On Everitt Memorial Highway, 0.4 mile north of McCloud River Railroad crossing near Mount Shasta. 1176 Comment
  UCD59110  Bromus carinatus var. marginatus F. G. Stuckey 1933-10-1 s.n. Siskiyou 30 mi. NE of Mt. Shasta. 1097 Comment
  UCD59216  Bromus carinatus var. marginatus R. Tofsrud 1948-8-1 s.n. Siskiyou Near summit of road from Happy Camp to O'Brien, Oregon. Comment
  RSA582096  Bromus commutatus L. C. Wheeler 1934-6-22 2748 Siskiyou Siskiyou Mts., Cottonwood Creek. 915 Comment
  HSC30540  Bromus orcuttianus Frederick W. Oettinger 1968-9-2 664 Siskiyou Marble Mountain Wilderness Area, on the SW side of Upper English Lake 1869 Comment
  HSC778  Bromus orcuttianus William J. Ferlatte 1967-8-17 953 Siskiyou Yellow Rose Mine 1982 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
  RSA239079  Bromus orcuttianus Frederick W. Oettinger 1968-9-2 664 Siskiyou Southwest side of Upper English Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1869 Comment
  UC204802  Bromus racemosus Geo. D. Butler 1910-5-20 1370 Siskiyou near Yreka Comment
  JEPS80526  Bromus suksdorfii Gilbert Muth 1966-7-17 409 Siskiyou Marble Mountain Wilderness Area, Trail to Lookout, Alpine fells field area Marble Mountain Wilderness Area 2042 Comment
  CAS-BOT-BC161409  Bromus tectorum William Bridge Cooke 1938-7-1 11159 Siskiyou Above Bear Spring near the Bear Spring-Wagon Camp Road. 1676 Comment
  CAS-BOT-BC185602  Bromus tectorum R. E. Frenkel 1963-7-13 231 Siskiyou On Everitt Memorial Highway, 1.0 mile north of McCloud River Railroad crossing near Mount Shasta. 1219 Comment
  HSC36781  Bromus tectorum J. P. Smith 1974-5-27 7625 Siskiyou Along FS Rd. 47N03 1280 Comment
  UC637096  Bromus vulgaris Annetta Carter 1934-8-13 708 Siskiyou watershed of West Branch Indian Creek (Happy Camp to Waldo (Oregon) Road, Klamath National Forest); Klamath National Forest 1463 Comment
  UCD60239  Bromus vulgaris Robert E. Preston 2001-7-20 1688 Siskiyou Rainbow Mountain and Vicinity. Klamath National Forest, north slope of Rainbow Mountain, N of Hemlock Lake. 1731 Comment
  RSA238992  Calamagrostis canadensis Frederick W. Oettinger 1969-8-16 1404 Siskiyou Wire Grass Meadow, English Lake Meadow. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1677 Comment
  RSA239016  Calamagrostis canadensis Frederick W. Oettinger, Robert F. Thorne 1969-8-7 1272 Siskiyou Lake Shore SE side English Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1753 Comment
  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
  HSC69231  Calamagrostis koelerioides Maralyn A. Renner 1980-9-1 2716 Siskiyou S side of Devil's Punchbowl 1829 Comment
  RSA239131  Calamagrostis koelerioides Frederick W. Oettinger, Robert F. Thorne 1969-8-4 1162 Siskiyou above Halfway Spring on trail from English Lake to Diamond Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1829 Comment
  CHSC96430  Calliscirpus criniger Gordon Leppig 1997-7-25 586 Siskiyou Klamath National Forest. Russian Wilderness, Little Duck Lake Fen. In cirque west of Little Duck Lake. UTM Zone 10, 503813E, 4572466N. 2200 Comment
  RSA184686  Calocedrus decurrens Gilbert Muth 1966-8-3 495 Siskiyou Marble Valley Meadow, Marble Mtns. 1793 Comment
  SBBG16027  Calochortus elegans D. Myrick 1961-6-20 283 Siskiyou Bear Springs, Mt Shasta 1676 Comment
  UC375199  Calochortus elegans Geo. D. Butler 1908-8-6 114 Siskiyou divide between Wooley Creek and Independence Creek Comment
  CAS-BOT-BC132420  Calochortus longebarbatus Frank; Forrest; Callahan 1989-9-3 586 Siskiyou Tom Young Flat ca. 2 mi. nw of Pondosa 1292 Comment
  UC1163460  Calochortus persistens Marion Ownbey and S. J. Preece Jr. 1952-6-25 3341 Siskiyou w of Yreka (ridge road to Deadwood Lookout) Comment
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Nov 3 2011
  JEPS96992  Calochortus tolmiei Dean W. Taylor 1999-6-9 17236 Siskiyou Agate Flat, 0.3 miles S of Oregon State Line 1005 Comment
  CAS-BOT-BC132632  Calochortus uniflorus Arthur Menzies 1962-7-21 s.n. Siskiyou Morgan Meadows, base of Mt. Eddy 1706 Comment
  CAS-BOT-BC181509  Caltha leptosepala J. C. Chastain 1917-6-1 s.n. Siskiyou North fork, Trinity River Comment
  CAS-BOT-BC273386  Calycadenia fremontii G. D. Carr 1974-9-11 780 Siskiyou 2.0 mi NE of Callahan on Gazelle-Callahan Rd 1007 Comment
  POM107555  Calypso bulbosa Geo D. Butler 1910-6-5 1512 Siskiyou Shackleford Creek Comment
  UC7775  Calyptridium umbellatum W. H. Brewer 1862-9-13 1371 Siskiyou Mount Shasta 2133 Comment
  CAS-BOT-BC221253  Calystegia malacophylla subsp. malacophylla A. A. Heller 1905-6-5 7988 Siskiyou Shasta Springs Comment
  CAS-BOT-BC221255  Calystegia malacophylla subsp. malacophylla A. A. Heller 1919-6-27 13280 Siskiyou Metcalf's ranch, northeast base of Mt. Eddy 1158 Comment
  RSA394811  Calystegia occidentalis subsp. occidentalis M. B. Dunkle 1944-7-15 9109 Siskiyou Siskiyou Natl. Forest. Comment
  UCR21091  Camassia leichtlinii subsp. suksdorfii T. W. Fisher, Earl Oatman, R. E. Orth 1974-6-26 s.n. Siskiyou McIntosh Ranch on the McCloud River near Bartle 1220 Comment
  JEPS53275  Camelina microcarpa W. C. Blasdale 1894-7-28 Siskiyou Sisson Comment
  CAS-BOT-BC36991  Camelina microcarpa L. E. Smith 1913-6-12 351 Siskiyou Sisson. Comment
  SEINET7040088  Camissonia contorta A. G. Vestal 1963-6-1 s.n. Siskiyou Southeast of Dwinnell Reservoir [Lake Shastina]. Weed Quad. UTM Zone 10, 547726mE, 4593011mN. Comment
  JEPS6116  Campanula prenanthoides Alice Eastwood 1912-7-21 1275 Siskiyou Sisson Comment
  SEINET10463096  Campanula prenanthoides Overton 1979-8-6 OVERTON 12917 Siskiyou Near Sutcliffe Creek, on the Preston Peak quadrangle; close to the town of Happy Camp 1158 Comment
  UC705376  Campanula prenanthoides Marion Ownbey and Fred G. Meyer 1940-7-4 2171 Siskiyou nw Hornbrook (dry n slope of mountains); Siskiyou Mts. Comment
  RSA456183  Campanula prenanthoides M. B. Dunkle 1944-7-15 9097 Siskiyou Siskiyou Natl. Forest Comment
  SEINET10463148  Campanula prenanthoides Ownbey 1940-7-4 OWNBEY 2171 Siskiyou Dry north slope, Siskiyou Mountains, northwest of Hornbrook Comment
  HSC91393  Campanula rotundifolia Jennifer Whipple 1976-7-24 1556 Siskiyou Mt. Eddy, SW of Dobkins Lake 2256 Comment
  SEINET10464346  Campanula rotundifolia Alice Eastwood 1912-8-30 Eastwood 2038 Siskiyou Mount Eddy Comment
  RSA264953  Campanula scouleri G. L. Clifton 1975-7-29 5043 Siskiyou Copper Butte. Near Seiad Valley. 1415 Comment
  SEINET10463762  Campanula scouleri Ownbey 1940-7-8 OWNBEY 2226 Siskiyou Near summit of Siskiyou Mountains, 18 miles north of Happy Camp Comment
  SEINET10463794  Campanula scouleri Louis Krautter 1905-7-7 Krautter s.n. Siskiyou Near Sisson 1067 Comment
  SEINET191618  Campanula scouleri Marion Ownbey, Fred G Meyer 1940-7-8 2226 Siskiyou 18 mi N of Happy Camp near summit of Siskiyou Mountains. Comment
  JEPS79759  Campanula wilkinsiana L. R. Heckard 1967-8-14 1731 Siskiyou above (second spring on side canyon) Horse Camp (sw flank of Mt. Shasta); Mt. Shasta 2560 Comment
  SEINET10463892  Campanula wilkinsiana Alice Eastwood 1912-9-1 Eastwood 2063 Siskiyou Mount Shasta Comment
  SEINET192728  Campanula wilkinsiana W. Bridge Cooke 1941-8-28 16238 Siskiyou Mt. Shasta Squaw Valley Creek. 1829 Comment
  SFV1452  Cardamine D. Parker 1958-5-25 642 Siskiyou Summit of Scott Cut. 1631 Comment
  CAS-BOT-BC37233  Cardamine bellidifolia Reed Rollins 1938-7-21 11306 Siskiyou Mount Shasta. Between Horse Camp and Panther Creek Comment
  JEPS109882  Cardamine bellidifolia var. pachyphylla Dean W. Taylor 2005-8-18 19468 Siskiyou Dry Creek Peak, cirque on north face at headwaters Antelope Creek 1950 Comment
  CAS-BOT-BC37795  Cardamine nuttallii George Dexter Butler 1910-4-1 1152 Siskiyou Humbug Mountain. Comment
  SJSU15088  Carduus pycnocephalus subsp. pycnocephalus C. W. Sharsmith 1992-9-17 9246 Siskiyou Lower Klamath Lake, 3-4 mi E of Highway 97 on Stateline Road, Klamath Wildlife Refuge 1225 Comment
  UC1982127  Carex Robert F. Thorne and Fred Oettinger 1969-8-10 38977 Siskiyou Mt. Shasta National Forest: S slope of Mt. Shasta Comment
  CAS-BOT-BC19764  Carex abrupta John Thomas Howell 1939-8-1 15192 Siskiyou Marble Mountains. Sky High Valley. 1828 Comment
  SEINET7548183 Image available Carex abrupta Frederick W. Oettinger 1969-9-1 1577 Siskiyou High Lake Basins in the vicinity of English Peak Marble Mountain Wilderness area, sandy margin of Katherine Lake. 2027 Comment
  UCD140054  Carex abrupta Lewis S. Rose 1937-7-3 37393 -A Siskiyou Weed, CA. 944 Comment
  CAS-BOT-BC17857  Carex amplifolia A. A. Heller 1905-6-5 7982 Siskiyou Between Shasta Retreat and Shasta Springs. Comment
  CAS-BOT-BC17865  Carex amplifolia Louis C. Wheeler 1934-6-14 2711 Siskiyou Siskiyou Mountains. Arrastre Creek off Hungry Creek. 1280 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-BC17967  Carex angustata L. E. Smith 1914-5-12 691 Siskiyou Sisson. Comment
  HSC85832  Carex aquatilis var. dives L. P. Janeway 1983-7-24 453 Siskiyou Poker Flat: slope between upper & lower parts of meadow. 1524 Comment
  HSC82356  Carex athrostachya Thomas W. Nelson, Jane P. Nelson, J. P. Smith 1978-7-24 4521 Siskiyou Siskiyou-Trinity County line, head of Scott Mtn. Creek, S of Forest Service campground 1646 Comment
  JEPS63765  Carex athrostachya B. C. Goldsmith 1916-8-6 13 a Siskiyou Sisson Comment
  SEINET10585659  Carex aurea A. Arthur Heller 1905-6-22 Heller 8096 Siskiyou Between Igerna and Weed. Comment
  SEINET10648318  Carex breweri Charles F. Baker 1903-7-16 Baker 3517 Siskiyou Mount Shasta. 3170 Comment
  SEINET11630190  Carex breweri C. G. Pringle 1882-1 s.n. Siskiyou Mount Shasta 2438 Comment
  HSC81983  Carex buxbaumii Thomas W. Nelson, Jane P. Nelson 1979-6-16 4855 Siskiyou Above Mule Creek, along Hwy. 3, 4.4 mi. N of Scott Mtn. Summit 1220 Comment
  SEINET7554959 Image available Carex concinnoides Barbara Wilson 1994-5-27 6920 Siskiyou Rogue River National Forest, low on the New London, between the first and second acute corners, near the trailhead, between Road 1050 (Elliott Creek Road) and the creek. Comment
  CAS-BOT-BC34376  Carex cusickii John Thomas Howell 1937-7-23 13335 Siskiyou South Fork of Salmon River near Big Flat. 1524 Comment
  CAS-BOT-BC34884  Carex deflexa var. boottii John Thomas Howell 1937-7-24 13430 Siskiyou Caribou Basin, Salmon-Trinity Alps. 2286 Comment
  HSC39254  Carex echinata subsp. echinata J. O. Sawyer 1969-8-4 1902 Siskiyou Above S Sugar Lake 2043 Comment
  CAS-BOT-BC19920  Carex epapillosa Alice Eastwood 1921-7-28 10955 Siskiyou Medicine Lake. Comment
  CAS-BOT-BC20133  Carex feta W. R. Dudley 1893-6-21 s.n. Siskiyou Peter Klink's Meadow. Sisson. Comment
  CAS-BOT-BC20750  Carex fracta Lewis S. Rose 1936-7-29 36710 Siskiyou Shasta Springs. 762 Comment
  HSC38961  Carex fracta J. O. Sawyer 1969-8-1 1618 Siskiyou On trail to Eaton Lakes. 1799 Comment
  CAS-BOT-BC20752  Carex fracta J. Major 1961-7-14 647 Siskiyou Mount Shasta. In Mud Creek. 1706 Comment
  JEPS105060  Carex gigas Dean W. Taylor 1996-7-11 15777 Siskiyou Scott Mountains; West Park Lakes (about 15 air miles west of Weed); Shasta-Trinity National Forest 2194 Comment
  CAS-BOT-BC7656  Carex integra John Thomas Howell 1939-8-3 15002 Siskiyou Spirit Lake, Marble Mountains. 1828 Comment
  CAS-BOT-BC7659  Carex integra John Thomas Howell 1939-8-3 15002 Siskiyou Spirit Lake, Marble Mountains. 1828 Comment
  CHSC98564  Carex integra Thomas W. Nelson; Jane P. Nelson 1984-7-28 7715 Siskiyou Bog along west side of Gumboot Lake in woods. 1859 Comment
  HSC29640  Carex integra Frederick W. Oettinger 1969-8-15 1384 Siskiyou High Lake Basins, Marble Mtn. Wilderness Area, near Upper English Lake 1677 Comment
  CAS-BOT-BC35476  Carex jonesii A. A. Heller 1922-7-15 13708 Siskiyou Medicine Lake 2133 Comment
  UC1608361  Carex laeviculmis J. Kierstead 1991-7-3 91 -94 Siskiyou Fawn Creek Meadow Shasta-Trinity National Forests, Mt. Shasta Ranger Dist. 1828 Comment
  SEINET7564731 Image available Carex lenticularis var. lipocarpa Frederick W. Oettinger 1968-9-7 750 Siskiyou Salmon Mountains, High Lake Basins in the vicinity of English Peak Marble Mountain Wilderness Area, at water's edge, north side of Hancock Lake. 2042 Comment
  CAS-BOT-BC31626  Carex luzulina var. ablata A. A. Heller 1922-7-3 13674 Siskiyou Wet soil along Wagon creek on Mt. Eddy. 2225 Comment
  UC1026162  Carex mariposana Louis C. Wheeler 1934-7-21 3014 Siskiyou head Jaynes Canyon; Siskiyou Mts. Comment
  HSC62586  Carex mertensii Al Hobart 1967-8-8 Siskiyou Youngs Valley Comment
  HSC76312  Carex mertensii L. P. Janeway 1982-8-15 145 Siskiyou Below Echo Lake 1646 Comment
  HSC85800  Carex microptera L. P. Janeway 1983-8-16 554 Siskiyou Poker Flat 1524 Comment
  JEPS25659  Carex microptera Rimo Bacigalupi with Mr. and Mrs. Van Deventer 1959-7-10 7302 Siskiyou 4 air-line mi nne Preston Peak (meadow at Twin Valley, just e of Del Norte County line); Siskiyou Mts., Twin Valley, watershed of Indian Creek 1493 Comment
  CAS-BOT-BC32012  Carex multicaulis M. A. Berry 1957-7-4 s.n. Siskiyou Carter Meadow at junction of Long Gulch and Trail Gulch on S Fork of Salmon River. 1524 Comment
  UC833301  Carex multicaulis A. A. Heller 1922-7-3 13675 Siskiyou w Wagon creek; Mt. Eddy 2225 Comment
  RSA364654  Carex multicaulis J. P. Smith 1973-5-5 6395 Siskiyou In and around the O Neill Campground near Seiad Valley. 488 Comment
  SEINET10713510  Carex multicaulis Edwin B. Copel 1903-8-15 Copeland 3780 Siskiyou Mt. Shasta. 2134 Comment
  HSC85829  Carex multicostata L. P. Janeway 1983-7-2 362 Siskiyou SE side of Klamath River, 6 mi. E on China Creek Rd., near Happy Camp, near water's edge 335 Comment
  HSC76376  Carex nebrascensis L. P. Janeway 1982-8-10 119 Siskiyou E side of Hwy. 96, 2 mi. S of Ti Bar 244 Comment
  POM80405  Carex nudata E. B. Copeland 1903-7-4 3541 Siskiyou Klamathon Comment
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Jan 23 2011
  CHSC96159  Carex pachystachya L. P. Janeway 2006-7-1 8717 Siskiyou Klamath Ranges. Salmon Mountains; just west of Carter Meadow, north side of South Fork Salmon River. Small open dry meadow along road with seepy ditch along upper road edge. 1579 Comment
  UCD140714  Carex pachystachya A. A. Heller 1916-7-20 12468 Siskiyou near Wagon Creek Falls, east side of Mt. Eddy. 1524 Comment
  CHSC107112  Carex pellita R. E. Brainerd 2009-7-22 1556 Siskiyou Red Hill Meadow, east of Mt. Shasta; 4 air miles east of McCloud. UTN Zone 10 478466E 4568630N. 1036 Comment
  CAS-BOT-BC118930  Carex pellita T. C. Fuller 1964-10-7 12686 Siskiyou Roadside ditch, E side of Hwy 99, S limits of Weed. Comment
  CAS-BOT-BC118773  Carex preslii John Thomas Howell 1937-7-25 13477 Siskiyou Caribou Basin, Salmon-Trinity Alps 2286 Comment
  CAS-BOT-BC118775  Carex preslii John Thomas Howell 1937-7-26 13532 Siskiyou Caribou Basin, Salmon-Trinity Alps 2286 Comment
  CAS-BOT-BC118781  Carex preslii John Thomas Howell 1939-8-9 15203 Siskiyou Sky High Valley, Marble Mts. 1828 Comment
  CAS-BOT-BC118606  Carex raynoldsii K. T. Stillman 1976-8-7 198 Siskiyou Scott Mar Quad, Marble Mountain Wilderness Area. 1828 Comment
  HSC91359  Carex rostrata Jennifer Whipple 1978-10-6 2423 Siskiyou Dale Creek drainage on the N face of Mt. Eddy 2195 Comment
  HSC62622  Carex scabriuscula Al Hobart 1968-6-9 Siskiyou Youngs Valley Comment
  HSC39278  Carex scopulorum J. O. Sawyer 1968-7-22 553 Siskiyou Between Handcock and Diamond Lakes 1951 Comment
  HSC96589  Carex scopulorum var. bracteosa Gordon Leppig, J. Kalt 1996-7-9 391 Siskiyou Klamath National Forest, Russian Wilderness, cirque W of Little Duck Lake 2200 Comment
  CHSC113797  Carex serratodens Peter F. Zika 2011-7-7 25546 Siskiyou W side of Route 3, 0.8 road miles N of Soap Creek Road, 3.5 air miles NW of Bally Mountian. Klamath Range. (KR) 1000 Comment
  CAS-BOT-BC117257  Carex spectabilis John Thomas Howell 1939-8-9 15232 Siskiyou Ridge South of Marble Valley, Marble Mts. Comment
  HSC69276  Carex spectabilis Maralyn A. Renner 1980-7-24 2070 Siskiyou Lily Pad Lake 1768 Comment
  SEINET7575713 Image available Carex spectabilis Frederick W. Oettinger 1968-9-4 700 Siskiyou Salmon Mountains, High Lake Basins in the vicinity of English Peak Marble Mountain Wilderness area, slope southeast of Abbotts Lake. 1722 Comment
  UC70640  Carex stipata var. stipata T. H. Gilbert Jun 15 1899-Jul 15 1899 Siskiyou Scott River Valley Comment
  CAS-BOT-BC117360  Carex stipata var. stipata G. Douglas Barbe 1955-6-29 29 Siskiyou 1 mi E of Callahan in a marshy meadow along a running streamlet. Comment
  CHSC98757  Carex straminiformis L. P. Janeway; B. Castro 2007-7-29 9140 Siskiyou High Cascade Range. Medicine Lake Highlands; Pumice Stone Mountain, very steep north-facing slope near the top of the northwest-trending shoulder. 2054 Comment
  UC70598  Carex straminiformis Geo. B. Grant September, 1902 5116 Siskiyou Horse Camp Mount Shasta 2438 Comment
  CHSC106465  Carex subfusca Peter F. Zika 2009-8-16 24599 Siskiyou Cascade Range Highlands (CaRH). Damp meadows near north end of Juanita Lake, Forest Service Road 46N04. 1550 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
  UC1265466  Carex subfusca Frederick W. Oettinger 1969-8-19 1464 Siskiyou between King David Peak and Abbott's Basin; Salmon Mountains, Marble Mountain Wilderness Area 1859 Comment
  HSC86443  Carex vernacula D. K. Imper Jun 1987 Siskiyou 8 mi. E of Mt. Shasta town, Mt. Shasta Wilderness, along Squaw Creek 2134 Comment
  CAS-BOT-BC115163  Carex vesicaria Doris K. Kildale 1929-7-20 8685 Siskiyou Raspberry Lake. South Fork of Indian Creek. 1828 Comment
  CAS-BOT-BC115165  Carex vesicaria James D. Jokerst 1983-7-5 1829 A Siskiyou Atkin's Meadow in a low lying area near the Lodgepole Pine Forest at the Meadow's NE corner. Comment
  HSC61201  Cassiope mertensiana subsp. ciliolata Al Hobart 1967-8-8 Siskiyou El Capitan Comment
  RSA211455  Cassiope mertensiana subsp. ciliolata William J. Ferlatte 1966-8-5 351 Siskiyou Caribou Mtn., Open granite slopes and ridges. Near summit. 2470 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
  HSC77352  Castilleja applegatei subsp. pinetorum L. P. Janeway 1983-8-7 518 Siskiyou Near end of Rd. 17N32 (the S Fork Indian Cr. Rd.), 19 mi. from the Indian Creek Rd. 1555 Comment
  JEPS6838  Castilleja applegatei subsp. pinetorum H. A. Thomas and J. H. Thomas 1954-7-25 4540 Siskiyou about 8 mi e Cecilville (along Rush Creek, below Rush Creek Meadow); Salmon-Trinity Mts. Boundary, Rush Creek 1676 Comment
  LA209207  Castilleja applegatei subsp. pinetorum Alice Eastwood; 1939-7-14 13690 Siskiyou Mount Shasta, along the Sisson Southern Trail 1523 Comment
  POM15470  Castilleja applegatei subsp. pinetorum E. B. Copeland 1903-8-14 13125 Siskiyou Sisson. Comment
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Jan 23 2011
  JEPS36500  Castilleja applegatei subsp. pinetorum Edward J. O'Neill 1964-8-1 Siskiyou Upper Klamath Unit No. 1, Oregon-California boundary Klamath Basin National Wildlife Refuge Comment
  CAS-BOT-BC383123  Castilleja arachnoidea Andrew Townesmith; Karen M. Meyer 2007-7-30 869 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
  CHSC1720  Castilleja arachnoidea M. Yoder 1941-7-12 Siskiyou Castle Lake. 1981 Comment
  UC60942  Castilleja arachnoidea Geo. B. Grant 1902-9-1 5114 Siskiyou Horse Camp; Mt. Shasta 2438 Comment
  UC618868  Castilleja arachnoidea Alice Eastwood 1938-8-21 11535 Siskiyou Horse Camp Flats Mount Shasta (sw slope of Mount Shasta) 2438 Comment
  RSA142620  Castilleja arachnoidea subsp. schizotricha Philip A. Munz 1960-8-22 24190 Siskiyou Panther Meadows, Mount Shasta 2530 Comment
  POM266841  Castilleja arachnoidea subsp. shastensis Marion Ownbey, Fred G. Meyer 1940-7-5 2180 Siskiyou Well below timberline on east side of Mt. Shasta. Comment
  CAS-BOT-BC32535  Castilleja globosa John Thomas Howell 1939-8-8 15159 Siskiyou Marble Mts. Black Mountain Comment
  UC796539  Castilleja lacera Roxana S. Ferris and Laura Lorraine 1948-6 11787 Siskiyou s of Callahan (Scott Mountain Road) Comment
  HSC36883  Castilleja lacera J. P. Smith 1974-5-26 7527 Siskiyou On Hwy. 3, 0.5 mi. NE of Fort Jones 854 Comment
  CAS-BOT-BC254013  Castilleja miniata A. A. Heller 1916-7-20 12473 Siskiyou Near Wagon Creek Falls, east side of Mt. Eddy 1524 Comment
  HSC19255  Castilleja miniata J. O. Sawyer 1969-8-1 1651 Siskiyou SE facing slope above Duck Lake Creek 1951 Comment
  CAS-BOT-BC254022  Castilleja miniata Ella Dales Cantelow 1940-6-1 4382 Siskiyou N. W. of Tennant [Tenet]. Butte Creek Meadow Comment
  RSA183418  Castilleja miniata J. M. Tucker 1963-8-17 3740 Siskiyou Red Rock Creek, in vicinity of cabin. Lower Red Rock Valley, Marble Mountain Wilderness Area. 1494 Comment
  RSA211403  Castilleja miniata William J. Ferlatte 1967-7-26 764 Siskiyou NW side of Caribou Mtn. Trinity Alps. 1829 Comment
  SEINET3159239  Castilleja oreopola G. D. Butler 1910-6-3 1472 Siskiyou Quartz Valley Comment
  CHSC75630  Castilleja pilosa Vernon H. Oswald; Kenneth Beatty 1999-6-27 9791 Siskiyou Northeast of Grass Lake and south of Juanita Lake on FR 45N20 between Hwy. 97 and Martin Dairy Campground. Comment
  JEPS66323  Castilleja pilosa L. R. Heckard with T. I. Chuang 1971-7-16 2587 Siskiyou just s Mt. Shasta Vista (U.S. Route 97) (ca 2 mi n of Deer Lodge (n of Weed)) 1463 Comment
  JEPS94269  Castilleja pilosa Vernon H. Oswald and Lowell Ahart 1998-6-11 9206 Siskiyou 9 air mi e of Grass Lake (22 air mi ne of Weed, Dry Lake on s side of Tennant Road); Dry Lake, Tennant Road 1402 Comment
  CAS-BOT-BC32646  Castilleja pinetorum var. fragilis Copeland 1903-8-14 s.n. (= no. 3883 of C.F. Baker's distribution) Siskiyou Sisson, N. Cal. Comment
  HSC76896  Castilleja pruinosa K. T. Stillman 1976-9-9 484 Siskiyou Marble Mountain Wilderness Area; jump off point, trail to Box Camp 1951 Comment
  POM265896  Castilleja pruinosa Lincoln Constance, R. C. Rollins 1942-5-14 2935 Siskiyou Shasta River 6 miles N of Yreka. 762 Comment
  SBBG26802  Castilleja pruinosa L. Constance, R. C. Rollins 1942-5-14 2935 Siskiyou Shasta River 6 mi N of Yreka 762 Comment
  CAS-BOT-BC241083  Castilleja schizotricha Gilbert Muth 1965-8-6 s.n. Siskiyou Backside of Blk. Mt. 2072 Comment
  CAS-BOT-BC241085  Castilleja schizotricha G. J. Muth 1969-8-6 1209 Siskiyou Boulder Peak 2529 Comment
  UCD123032  Castilleja schizotricha A. H. Murphy 1960-8-9 60 C Siskiyou Klamath National Forest, head of Grider Valley at ridge top. 2072 Comment
  HSC92152  Ceanothus arcuatus Jennifer Whipple 1978-6-5 2350 Siskiyou Pass between Eddy Creek and Deadfall Creek drainages 2073 Comment
  CAS-BOT-BC48650  Ceanothus cordulatus A. A. Heller 1905-6-5 7968 Siskiyou Between Shasta Retreat and Shasta Springs, along the Sacramento a short distance below Shasta Springs 762 Comment
  CAS-BOT-BC48652  Ceanothus cordulatus L. E. Detling 1950-6-8 6588 Siskiyou Dunsmuir 792 Comment
  HSC71079  Ceanothus cuneatus M. A. Baker 1980-6-20 2200 Siskiyou Near Bald Mtn. 1036 Comment
  CAS-BOT-BC63601  Ceanothus integerrimus Alice Eastwood; John Thomas Howell 1937-6-26 5050 Siskiyou Salmon Mts. near Taylor Creek. Comment
  JEPS42428  Ceanothus integerrimus W. L. Jepson 1914-8-14 6170 Siskiyou Dunsmuir 670 Comment
  CAS-BOT-BC53094  Ceanothus prostratus Roxana S. Ferris; Laura Lorraine 1948-6-12 11813 Siskiyou At Mule Creek crossing of Scott Mountain Road 1524 Comment
  HSC100186  Ceanothus sanguineus J. P. Smith, & J. O. Sawyer 2011-9-3 13404 Siskiyou Along Klamath National Forest Road 47N01. 739 Comment
  CAS-BOT-BC53029  Ceanothus sanguineus W. R. Dudley 1899-8-25 s.n. Siskiyou West of Gazelle - on grade, Willow Creek Comment
  UCR136775  Ceanothus velutinus J. O. Sawyer 1977-7-6 3020 Siskiyou South of Little Duck Lake 2134 Comment
  CAS-BOT-BC52841  Ceanothus velutinus var. velutinus A. A. Heller 1905-6-16 8046 Siskiyou Near Sisson Comment
  HSC69115  Ceanothus velutinus var. velutinus Maralyn A. Renner 1980-8-7 2393 Siskiyou Klamath National Forest, NW flank of Preston Peak, near summit 2180 Comment
  SDSU6509  Centaurea cyanus D. F. Howe 1977-7-2 4982 Siskiyou 7 miles west of Fort Jones on Scott River Rd. 671 Comment
  RSA170309  Centaurea maculosa T. C. Fuller 1963-8-26 11155 Siskiyou Abundant in barley, also in adj. lawn of ranch house and rangeland, W H Kerr, Flying K Ranch, upper Quartz Valley, 2 miles S of Mugginsville. Comment
  CAS-BOT-BC281204  Centaurea stoebe subsp. micranthos T. C. Fuller 1967-8-15 16263 Siskiyou N side of Highway 97 (Weed to Macdoel), W of RR spur at Grass Lake Comment
  SEINET10741257 Image available Centaurium floribundum Edward L. Greene 1876-8-5 Greene 965 Siskiyou Collected near Yreka. Comment
  CAS-BOT-BC288801  Centromadia fitchii Carl B. Wolf 1927-8-26 1003 Siskiyou On the Klamath River, 5 miles below Hornbrook Comment
  HSC44701  Cephalanthera austiniae J. O. Sawyer, E. Cope 1977-6-19 2941 Siskiyou Clear Creek Trail between West Fork and Preston Creek 854 Comment
  HSC66262  Cephalanthera austiniae M. S. Taylor 1980-7-8 3087 Siskiyou N side of Castle Lake Rd (39N24)., 0.9 mi. W of its jct. with FS 40N26, at SE side of Lake Siskiyou 1037 Comment
  JEPS88003  Cerastium arvense Barbara Ertter 1990-7-14 9339 Siskiyou ca. 4 airmiles w. Mt. Shasta City (Wagon Creek on e. side of Mt. Eddy, where several forks join before steep drop); e side of Mt. Eddy, Wagon Creek 1828 Comment
  CDA3351  Cerastium dichotomum G. D. Barbe, J. T. Howell, T. C. Fuller 1980-4-28 2584 Siskiyou Between Old Highway 99 and railroad at Truttman Lane, 3.2 km south of Grenada. Comment
  UCD97998  Cerastium dichotomum T. C. Fuller 1962-5-18 8475 Siskiyou B. M. Long prop., Little Shasta Road, 5 miles east of Montague. Comment
  CAS-BOT-BC400179  Ceratophyllum demersum Edward Lee 1934-8-12 1240 Siskiyou South side of the Klamath River near the mouth of Walker Creek (east end of Seiad Valley) 426 Comment
  SEINET6331969  Cercocarpus betuloides G. D. Butler 1910-5-30 1435 Siskiyou Humbug Creek 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
  RSA120871  Chaenactis carphoclinia H. K. Wagnon 1957-8-11 1698 Siskiyou East slope of Mt. Shasta on rd. to Brewer Cr., 3 mi. W of Military Pass Rd. Comment
  SBBG30610  Chaenactis douglasii D. Myrick 1968-6-22 1995 Siskiyou Lava Beds Nat Monument 1371 Comment
  HSC253  Chaenactis douglasii var. douglasii William J. Ferlatte 1967-8-23 1086 Siskiyou Head of Kidd Creek; E side of Black Mtn. 2134 Comment
  CAS-BOT-BC106033  Chaenactis suffrutescens Antone Q. Soares 1922-6-1 s.n. Siskiyou Cantara Comment
  CAS-BOT-BC106035  Chaenactis suffrutescens T. S. Brandegee 1887-6-1 s.n. Siskiyou Edgewood Comment
  CHSC30244  Chamaebatiaria millefolium M. S. Taylor; J. Prouty, E Heinitz. 1980-8-19 3267 B Siskiyou Se side of Little Glass Mt. 1950 Comment
  CHSC98916  Chamaebatiaria millefolium L. P. Janeway; B. Castro 2007-7-28 9130 Siskiyou Modoc Plateau. Upper part of Callahan Flow, along Road 44N53 0.6 km north of Cinder Butte. 1731 Comment
  RSA124136  Chamaecyparis nootkatensis Al Hobart 1958-8-15 s.n. Siskiyou The Devil s Punch Bowl, 3-4 miles east of Del Norte co. line and 10 miles south of the Oregon-CA state line Comment
  JEPS9111  Chamaesaracha nana Milo S. Baker 1893-8-1 Siskiyou Medicine Lake 2438 Comment
  SBBG28479  Chamaesyce serpillifolia subsp. serpillifolia L. C. Wheeler 1934-9-20 3289 Siskiyou Lumgrey Crk 670 Comment
  CAS-BOT-BC68247  Cheilanthes gracillima L. B. Kildale 1930-6-1 9750 Siskiyou Black Bear Trail to Sawyers Bar Comment
  CAS-BOT-BC70223  Cheilanthes gracillima Copeland 1903-7-16 3505 Siskiyou Mt. Shasta Comment
  HSC377  Cheilanthes gracillima William J. Ferlatte 1967-6-30 601 Siskiyou Josephine Lake basin 1677 Comment
  UC2026485  Cheilanthes gracillima Louis C. Wheeler 1958-8-21 7413 Siskiyou Siskiyou Mountains. Lily Pad Lake. Comment
  UCD21470  Cheilanthes gracillima Ellen Dean; with Gary Nakamura and K. Mawdsley 2002-7-28 1210 Siskiyou Shasta Trinity National Forest; NW of Castle Crags, in Castle Crags Wilderness. Found west of I-5, near headwaters of the south fork of the Sacramento River. Near shore of Upper Gray Rock Lake. 1912 Comment
  CAS-BOT-BC68220  Cheilanthes gracillima Gilbert Muth 1965-8-6 s.n. Siskiyou Trail to backside of Blk. Mt. Comment
  UC1368678  Chenopodium atrovirens W. B. and V. G. Cooke 1968-7-1 39230 Siskiyou along Andesite Rd Mt. Shasta (n side of mt.) 1524 Comment
  CLARK-A1528-7839  Chenopodium vulvaria John C. Roos 1948-9-1 3985 Siskiyou Fort Jones Comment
  UC1043391  Chimaphila umbellata P. C. Everett and E. K. Balls 1954-10-11 20266 Siskiyou s.w. Mt. Shasta town (forest service camp, Castle Lake); Castle Lake 1249 Comment
  RSA467021  Chimaphila umbellata subsp. occidentalis M. B. Dunkle 1944-7-15 9099 Siskiyou Deer Creek 1768 Comment
  SEINET6976053  Chimaphila umbellata subsp. occidentalis Unknown 1986-9-13 2156 Siskiyou Along Canyon Creek Trail between trailhead at Lovers Camp and first junction; near Marble Mountain Wilderness. Comment
  CAS-BOT-BC497626  Chlorogalum angustifolium Lewis S. Rose 1945-6-22 45178 Siskiyou Horse Creek & Klamath River 502 Comment
  RSA105425  Chrysanthemum leucanthemum G. D. Barbe 1955-7-1 85 Siskiyou 6 mi. south of Etna at junction of the Westside Rd. and the east-west road crossing Scott Valley. 884 Comment
  CAS-BOT-BC36389  Chrysolepis chrysophylla H. A. Thomas; J. H. Thomas 1957-7-23 4471 Siskiyou Salmon - Trinity Mts. About 6 miles SE of Cecilville. Vicinity of Blind Horse Creek 1036 Comment
  OBI55420  Chrysolepis chrysophylla var. chrysophylla David J. Keil 1992-7-20 23498 Siskiyou Klamath Natl Forest, SW of Fort Jones. Along forest Road 44N45, 8.1 mi S of Scott River Rd, 2.7 mi S of turnoff to Lover's CAmp Comment
  UC618841  Chrysolepis sempervirens unknown 1938-7-22 11330 Siskiyou Sisson Southern Trail; Mount Shasta Comment
  UCD78129  Chrysolepis sempervirens Robert E. Preston 2001-6-23 1565 Siskiyou Klamath National Forest, n slope of Rainbow Mtn, at Hemlock Lake, T42N R1W se 1/4 of se 1/4 Section 14 1889 Comment
  HSC30594  Cinna latifolia Frederick W. Oettinger 1969-8-25 1546 Siskiyou Marble Mountain Wilderness, moist meadow W of Arrow Peak, English Peak region 2012 Comment
  SEINET8497824  Cinna latifolia D. W. Taylor 2006-8-8 19590 Siskiyou Dry Creek Peak (ridge ca. 12 air miles Northeast of Mt. Shasta summit) at headwaters Antelope Creek 2195 Comment
  HSC16245  Circaea alpina subsp. pacifica D. E. Anderson 1962-8-5 2314 Siskiyou 3 mi. W of Bartlett, 1 mi. N of Shasta Co. line on Hwy. 89 Comment
  JEPS43891  Circaea alpina subsp. pacifica Willis L. Jepson July 1894 14387 Siskiyou Sisson Comment
  UC1190126  Circaea alpina subsp. pacifica Ira L. Wiggins 1955-7-23 13469 Siskiyou China Creek 1097 Comment
  UC1408916  Circaea alpina subsp. pacifica Frederick W. Oettinger 1968-8-11 480 Siskiyou near spring Tom Tyler Cabin; Salmon Mts., High Lake Basins, English Peak vicinity, Marble 2011 Comment
  CAS-BOT-BC285343  Cirsium andersonii Alice Eastwood 1912-7-23 1354 Siskiyou Cantara 834 Comment
  CAS-BOT-BC285350  Cirsium andersonii Peter H. Raven 1956-9-4 10377 Siskiyou Ridge s. of Mt. Eddy 2286 Comment
  CAS-BOT-BC285345  Cirsium andersonii C. G. Pringle August 28 s.n. Siskiyou Unspecified Comment
  CAS-BOT-BC284400  Cirsium arvense Alice Eastwood 1912-7-17 1164 Siskiyou Sisson Comment
  CDA1137  Cirsium ciliolatum T. C. Fuller, Don Shaw 1978-7-5 20246 -B Siskiyou Northwestern; Klamath Ranges region; North side of York Road, 0.3 km east of Bryant-Willow Creek Road, 15 km north of Montague; T46N R5W, sec. 20 0 Comment
  CDA1189  Cirsium cymosum G. D. Barbe, F. D. Horn 1982-7-14 3889 Siskiyou 5 mi. NW of Yreka on Humbug Rd., dry ridge extending NE of Humbug Peak, Klamath National Forest. Comment
  OBI54129  Cirsium cymosum var. canovirens David J. Keil, Kathleen Keil 1992-7-24 23560 Siskiyou Klamath Natl forest E of callahan. 2.1 m N of Kangaroo Lake on Rail Creek rd Comment
  UC165432  Cirsium cymosum var. cymosum Geo. D. Butler 1910-6-6 1456 Siskiyou Quartz Valley Comment
  CDA1206  Cirsium douglasii var. breweri T. C. Fuller 1959-1 3088 -B Siskiyou 3 mi. N/ Weed; Shasta River, wet meadow just S/ Hwy 99. Comment
  UC30780  Cirsium douglasii var. breweri W. A. Setchell, C. C. Dobie 1902-7-15 Siskiyou Sisson Mount Shasta, Sisson Comment
  CAS-BOT-BC285575  Cirsium occidentale var. candidissimum Alice Eastwood 1912-7-20 1256 Siskiyou Hornbrook Comment
  CAS-BOT-BC285573  Cirsium occidentale var. candidissimum L. E. Smith 1913-7-24 510 Siskiyou Yreka Comment
  HSC72015  Cirsium occidentale var. candidissimum J. P. Smith, J. O. Sawyer, Kevin Sawyer, Jane Sawyer 1976-9-5 8977 Siskiyou 1/5 mi. W of State Rte. 3 on Road 8 671 Comment
  CHSC69201  Cirsium remotifolium James D. Jokerst 1992-7-30 3417 Siskiyou Top of divide between Trinity River, summit of reddish mountain S of road crossing saddle. Comment
  SBBG25853  Cirsium remotifolium var. odontolepis D. Myrick 1966-8-8 1498 Siskiyou Mtn Meadow Ranch, Big Flat, Trinity Alps 1524 Comment
  UCD130676  Cirsium remotifolium var. odontolepis A. H. Murphy 1956-8-16 56 AA Siskiyou Klamath National Forest, Tangle Blue Lake. 1767 Comment
  JEPS86288  Cirsium scariosum W. L. Jepson 1940-7-3 20111 Siskiyou about 5 mi se Bartle; Big Bear Flat 1219 Comment
  CAS-BOT-BC286464  Cirsium scariosum J. C. Chastain 1917-6-1 s.n. Siskiyou Castella Comment
  CAS-BOT-BC286468  Cirsium scariosum John Thomas Howell 1952-6-14 28334 Siskiyou Gazelle Comment
  CAS-BOT-BC228989  Cistanthe umbellata Gilbert J. Muth 1969-8-7 1265 Siskiyou Boulder Peak Ridge Comment
  CAS-BOT-BC228967  Cistanthe umbellata A. A. Heller 1920-7-9 13426 Siskiyou Long bar easterly slope of Mt. Eddy 2438 Comment
  JEPS107395  Clarkia lassenensis Lowell Ahart, John Dittes 2005-6-10 12099 Siskiyou Rocky hillside, north of the rock fence, about 100 yards southeast of the pump house along the Shasta River, about 1.9 miles (air) south of Highway 99/97 Cutoff, about 6 miles (air) east-southeast of Grenada 776 Comment
  HSC64529  Clarkia purpurea subsp. quadrivulnera J. P. Smith, Steve Selva 1970-6-16 4082 Siskiyou Idlewild Campground 808 Comment
  HSC181  Clarkia rhomboidea William J. Ferlatte 1967-6-29 567 Siskiyou Along the Yellow Rose Mine Trail 1677 Comment
  RSA264972  Clarkia rhomboidea Gilbert Muth 1975-8-1 7198 Siskiyou Near Joe Creek, near Seiad Valley. 1707 Comment
  SEINET10674957 Image available Claytonia bulbifera Edward L. Greene 1876-8-22 Greene 1008 Siskiyou On Scott Mountain. Comment
  RSA265289  Claytonia parviflora J. M. Miller 1974-6-2 358 Siskiyou Dillon Creek Campground, Klamath River Hwy96 where Dillon Creek meets the Klamath River. Comment
  CAS-BOT-BC443824  Claytonia rubra subsp. rubra A. A. Heller 1905-6-1 7924 Siskiyou Between/near Dunsmuir and Upper Soda Spring Comment
  SEINET198900  Claytonia saxosa D. Parker 1947-3-30 Siskiyou Hartstrand Gulch E side of Scott Valley 866 Comment
  CAS-BOT-BC443862  Claytonia sibirica Wm. Bridge Cooke 1938-6-24 11182 Siskiyou Mount Shasta. Bear Springs Comment
  RSA464446  Claytonia sibirica M. B. Dunkle 1944-6-25 9003 Siskiyou Beaver Creek. (Coastal Northern California). 1677 Comment
  SEINET6907100  Clematis ligusticifolia M. K. Solecki, J. B. Taft 1986-9-9 2142 Siskiyou Bank of Scotty River near Indian Scotty campground; elevation 2,200 feet. 670 Comment
  UC454411  Clintonia uniflora I. J. Condit July 1911 Siskiyou Sisson Comment
  HSC579  Clintonia uniflora William J. Ferlatte 1966-7-7 221 Siskiyou Big Flat, near public camp 1524 Comment
  SEINET8472238  Clintonia uniflora W. Roderick 1967-7-22 s.n. Siskiyou N of Happy Camp on road to O'Brien. 1219 Comment
  JEPS25710  Collinsia linearis P. C. Hutchison 1961-5-22 2040 Siskiyou 2.7 mi n Clear Creek (on US 299; w side of Klamath River, 5.7 m s of Happy Camp); Klamath River Comment
  RSA237561  Collinsia linearis Frederick W. Oettinger 1969-7-11 978 Siskiyou Due west of northwest end of Hancock Lake. The Salmon Mountains. The High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness. 1951 Comment
  RSA78685  Collinsia linearis Philip A. Munz 1952-7-2 17876 Siskiyou Road to Baldy Mt., northwest of Happy Camp, Siskiyou Mts. 1494 Comment
  SJSU6055  Collinsia parviflora R. W. Trivelpiece 1971-6-16 37 Siskiyou N of Alder Cr divide between Whaleback & Haight Mt c. 15 mi N of Mt Shasta 1676 Comment
  JEPS6172  Collinsia rattanii Geo. D. Butler 1909-5-30 758 Siskiyou Hamburg rd from Yreka Comment
  JEPS15386  Collinsia torreyi var. latifolia Douglas Barbe 1955-7-6 131 Siskiyou above se shore Taylor Lake (on slope); Klamath Mtns, Salmon Mtns 1950 Comment
  RSA724917  Collinsia torreyi var. latifolia L. P. Janeway 2006-7-3 8751 Siskiyou Klamath Ranges. Salmon Mountains; Music Creek Trailhead near upper Music Creek. 1893 Comment
  JEPS71029  Collomia grandiflora Geo. D. Butler 1908-8-9 106 Siskiyou summit above Cold Spring; Wooly Creek 1828 Comment
  RSA183688  Collomia grandiflora Gilbert Muth 1965-7-29 139 Siskiyou Marble Mts. In meadow below Marble rim Comment
  UC52839  Collomia grandiflora W. A. Setchell, C. C. Dobie 1902-7-13 Siskiyou Sisson Comment
  UCD77564  Collomia tinctoria Robert E. Preston 2001-7-21 1733 Siskiyou Rainbow Mountain and Vicinity. Klamath National Forest, Rainbow Mountain. 2158 Comment
  HSC16941  Collomia tinctoria R. C. Wunner 1965-6-15 204 Siskiyou Lava Beds N.M., SE side Caldwell Butte, 3/4 of way down Butte 1463 Comment
  HSC60958  Collomia tinctoria Ruby Van Deventer 14 Jun [year missing] Siskiyou Chicago Peak Comment
  UC848988  Comandra umbellata subsp. californica W. Bridge Cooke 1941-6-7 16007 Siskiyou near Mount Shasta City (along the Abrams Lake Road); Abrams Lake Road 1066 Comment
  CAS-BOT-BC376184  Conium maculatum Andrew Townesmith; Karen M. Meyer 2007-8-3 899 Siskiyou Klamath National Forest, Oak Knoll Ranger District. Along Forest Service road 46N50, 4.4 miles NW of intersection with state route 96. Collected on uphill side of road (just above House Creek Botanical Area) 593 Comment
  POM21381  Convolvulus arvensis George B. Grant 1902-9-13 s.n. Siskiyou Sisson. Comment
  CAS-BOT-BC286041  Conyza canadensis L. E. Smith 1913-8-12 519 Siskiyou McCloud Comment
  RSA758224  Corallorhiza maculata Robert F. Thorne 1969-8-2 63322 Siskiyou Klamath National Forest, Salmon Mountains, Marble Mountain Wilderness Area, high lake basins in the vicinity of English Peak Comment
  RSA237633  Corallorhiza mertensiana Frederick W. Oettinger 1969-7-14 1022 Siskiyou Trail from Charmaine Lake to English Lake; Salmon Mounatins, the high lake basins in the vicinity of English Peak, Marble Mountain Wilderness area 1921 Comment
  NY68299  Cordylanthus pallescens F. W. Pennell 1940-7-18 26184 Siskiyou Route 99. 2-3 miles N of Mount Shasta City. 1158.2 Comment
  CHSC28795  Cordylanthus tenuis subsp. viscidus J. D. Jokerst 1978-9-2 152 Siskiyou Area several miles w of Weed. Comment
  JEPS70112  Cordylanthus tenuis subsp. viscidus L. R. Heckard 1972-8-4 3149 Siskiyou southern edge Dunsmuir (near first Dunsmuir freeway exit) 822 Comment
  LA209041  Cordylanthus tenuis subsp. viscidus Rimo Bacigalupi; 1954-8-12 4790 Siskiyou In serpentine, 5.1 mi below (and SE of) summit of the road between Takilma, Ore. and Happy Camp Calif.- Klamath National Forest, Siskiyou Mountains; drainage of the West Branch of Indian Creek 914 Comment
  CAS-BOT-BC212051  Cornus nuttallii Roxana S. Ferris; Laura Lorraine 1948-6-12 11748 Siskiyou French Creek Logging Road west of Callahan 1219 Comment
  CAS-BOT-BC212063  Cornus nuttallii Alice Eastwood 1923-5-27 11994 Siskiyou Shasta Springs Comment
  CAS-BOT-BC212065  Cornus nuttallii H. A. Thomas; J. H. Thomas 1954-7-21 4437 Siskiyou About 6 miles SE of Cecilville, west side of Rush Creek, Salmon-Trinity Mts. 1219 Comment
  UC705589  Cornus nuttallii Marion Ownbey and D. H. Brown 1941-6-22 2426 Siskiyou n.w. Yreka (on rd. between Craggy Mt. and Deadwood Lookout) Comment
  CAS-BOT-BC210399  Cornus sericea A. A. Heller 1920-8-11 13504 Siskiyou Metcalf's ranch, northeast base of Mt. Eddy 1158 Comment
  CAS-BOT-BC210407  Cornus sericea W. R. Dudley 1899-8-22 s.n. Siskiyou 1st Spring - Craggy Peak Comment
  CAS-BOT-BC210427  Cornus sericea Alice Eastwood 1921-7-24 10726 Siskiyou Castle Lake Comment
  UCSB22161  Cornus sericea Keefe, Joseph 1967-7-10 Siskiyou Indian Creek Road; 22.2 miles north of Happy Camp 1402 Comment
  HSC19037  Cornus sericea subsp. sericea J. O. Sawyer 1969-6-11 840 Siskiyou Duck Lake Creek near C.C.C. road. 1311 Comment
  UC1190158  Cornus sericea subsp. sericea Ira L. Wiggins 1955-7-24 13503 Siskiyou trail at crossing of China Creek (above diversion dam) 1301 Comment
  UC21531  Cornus sericea subsp. sericea Milo S. Baker 1893-6 Siskiyou McCloud R. 6 mi. below Bartles; Mccloud R. Comment
  UC922399  Cornus sericea subsp. sericea Annie M. Alexander and Louise Kellogg 1949-7-24 5867 Siskiyou trail to Bear Lake; Marble Mts., Paradise Lake 1920 Comment
  UCD110056  Corylus cornuta subsp. californica AT Leiser 1973-3-22 s.n. Siskiyou Dunsmuir. Comment
  RSA759839  Corylus cornuta var. californica R. F. Thorne 1969-8-2 63399 -a Siskiyou Klamath National Forest, Salmon Mountains: Marble Mtn Wilderness, along trail to English Peak 1159 Comment
  RSA481445  Corylus cornuta var. californica M. B. Dunkle 1944-6-25 9010 Siskiyou Siskiyou National Forest. 1677 Comment
  SEINET196193  Crataegus douglasii R. S. Ferris, L Lorraine 1948-6-12 11822 Siskiyou E fork of Scott River Drainage; Parker Ranch; Plowman's (Noyes) Valley 1204 Comment
  JEPS109397  Crataegus gaylussacia Dean W. Taylor 2004-7-19 19186 Siskiyou Weed, wet meadow just east of town limits along Boles Creek 1051 Comment
  RSA14481  Crepis acuminata Elmer I. Applegate 1932-6-13 7241 Siskiyou Captain Jack's Stronghold, Modoc Lava Beds Comment
  CAS-BOT-BC376493  Crepis occidentalis subsp. conjuncta Lewis S. Rose 1937-7-3 37388 Siskiyou Black Butte, N. of Mt. Shasta City 1005 Comment
  CAS-BOT-BC290840  Crepis occidentalis subsp. pumila L. E. Smith 1915-5-1 s.n. Siskiyou Yreka Comment
  CHSC33064  Crepis pleurocarpa Maralyn A. Renner 1980-8-21 2602 Siskiyou Klamath National Forest. Southwest of trail from Leroy Mine to Sunrise Basin, near ridge. 2286 Comment
  UC129571  Crocidium multicaule F. W. Hooper 1897-4-21 Siskiyou Little Shasta Comment
  POM356384  Crocidium multicaule L. C. Wheeler 1935-5-5 3463 Siskiyou Greenhorn Creek. Siskiyou Mtns. (Mt Diablo Mer.) 854 Comment
  SEINET9459397  Croton setiger G. D. Butler 1910-7-28 1794 Siskiyou Near Yreka. Comment
  HSC19015  Cryptantha affinis J. O. Sawyer 1969-7-1 956 Siskiyou Ridge above Paynes Lake Creek 1433 Comment
  UC711887  Cryptantha ambigua Roxana S. Ferris and Laura Lorraine 1941-8-11 10496 Siskiyou Grass Lake Station, on U.S. Highway 97 1554 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
  CHSC86661  Cryptantha intermedia Jenny Marr 1993-7-1 44 Siskiyou Butte Valley Wildlife Area, +/- 7 air miles NW of the town of MacDoel. Meadow NW of Meiss Lake. 1349 Comment
  RSA46762  Cryptantha intermedia L. S. Rose 1945-6-18 45089 Siskiyou Horse Creek and Klamath River. 503 Comment
  HSC63983  Cryptantha milobakeri J. P. Smith, Steve Selva 1970-6-14 3862 Siskiyou Comment
  UC1170105  Cryptantha torreyana unknown 1956-7-16 30297 Siskiyou above Hotlum Station (n side of Mount Shasta); Mount Shasta 1524 Comment
  UC164156  Cryptantha torreyana Geo. D. Butler 1910-5-8 1310 Siskiyou near Yreka Comment
  CAS-BOT-BC80538  Cupressus bakeri James P. Smith 1973-5-5 s.n. Siskiyou Trail to the Siskiyou cypress stand off the Cook and Green Pass road Comment
  CAS-BOT-BC85603  Cupressus bakeri Malcom P. Anderson 1902-2-16 s.n. Siskiyou Forks of Seiad Creek, Siskiyou Mts. Comment
  CAS-BOT-BC85650  Cupressus bakeri Oliver V. Matthews 1939-7-18 38 Siskiyou Northeast Goose Nest Grove-Goose Nest Region 1828 Comment
  RSA22764  Cupressus bakeri O. V. Matthews 1939-7-13 34 Siskiyou NW slope of Goose Nest, E of Yreka. 1524 Comment
  UC1043395  Cupressus bakeri P. C. Everett and E. K. Balls 1954-10-13 20276 Siskiyou 7.2 mi ne up creek from Hwy 96 (rd. to Kangaroo Mt.); Seiad Creek 822 Comment
  SEINET11052424  Cupressus bakeri D. Charlet, T. Charlet 1996-11-25 2344 Siskiyou Scott Bar Mountains, Scott River, between Spring Flat and Kelsey station. 683 Comment
  CAS-BOT-BC213751  Cupressus bakeri subsp. matthewsii Carl Brandt Wolf 1934-10-9 2130 Siskiyou Siskiyou Mts., above W. fork of Seiad Creek, 3/4 mi. above forks of creek 1158 Comment
  RSA70993  Cuscuta suksdorfii var. subpedicellata L. C. Wheeler 1934-7-31 3011 Siskiyou 1 mi. E Dry Lake Lookout. 1829 Comment
  RSA17701  Cycladenia humilis Elmer I. Applegate 1935-6-10 s.n. Siskiyou Siskiyou County: steep cinder slope of Caldwell Butte, Lava Beds National monument, NE corner of Siskiyou Comment
  HSC101875  Cycladenia humilis var. humilis R. D. Whittlesey 2013-6-5 5 Siskiyou Near Castella: 3.1 mi. north from State Park entrance up Castle Dome Trail. 1646 Comment
  UC1170101  Cycladenia humilis var. humilis unknown 1956-7-16 30301 Siskiyou along old logging rd. above Hotlum (n. side Mt. Shasta); Mt. Shasta Comment
  UC126701  Cycladenia humilis var. humilis Milo S. Baker 1896-6-10 101 Siskiyou Sisson Comment
  UC1190262  Cynoglossum occidentale Ira L. Wiggins 1955-7-23 13464 Siskiyou ridge w. of China Creek (s. side of S. Fork of Salmon R.); S. Fork of Salmon R. 960 Comment
  HSC26608  Cynosurus echinatus J. P. Smith, Steve Selva 1980-6-15 3920 Siskiyou 10 mi. NW of Forks of Salmon Comment
  SBBG26901  Cyperus acuminatus L. C. Wheeler 1934-10-11 3317 Siskiyou Oak Knoll Ranger Station, Klamath River 670 Comment
  CAS-BOT-BC114691  Cyperus bipartitus Louis C. Wheeler 1934-8-12 1049 Siskiyou 1/4 mi W of mouth of Walker Creek, a tributary of the Klamath River 426 Comment
  POM211261  Cyperus bipartitus L. C. Wheeler 1934-8-31 3229 Siskiyou Siskiyou Mountains: Mt. Diablo Mer.; Lund Ranch, W Fork Beaver Creek. 1066 Comment
  HSC19326  Cypripedium montanum J. O. Sawyer 1968-6-25 317 Siskiyou Along Horse Range Creek 1829 Comment
  UC922430  Cystopteris fragilis Annie M. Alexander and Louise Kellogg 1949-7-24 5865 Siskiyou trail to Bear Lake Paradise Lake; Marble Mts. 1920 Comment
  RSA237512  Cystopteris fragilis Frederick W. Oettinger 1968-9-1 649 Siskiyou South of Abbott s Lake. Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1799 Comment
  UCSB51226  Cystopteris fragilis Almanza, Ed 1976-7-14 Siskiyou Little Castle Lake, Trinity Mountains 2438 Comment
  CAS-BOT-BC192259  Danthonia californica Ira L. Wiggins 1955-7-27 13551 Siskiyou Caribou Lake, Salmon River-Trinity Alps Primitive Area 2042 Comment
  HSC58388  Danthonia californica Butler 1971-8-11 286 Siskiyou Near Porcupine Meadow, close to the town of Cave Junction. 2073 Comment
  UCD37076  Danthonia californica Beecher Crampton 1956-8-21 3807 Siskiyou Siskiyou County, 15 miles southwest of city of Mount Shasta, slope above Gumboot Lake, headwater of south fork of Sacramento River. 1920 Comment
  UCD60495  Danthonia californica Beecher Crampton 1956-8-21 3807 Siskiyou South slope of Gumboot Lake, headwater of the south Fork of the Sacramento River, ca. 15-16 miles southwest of Mt. Shasta City. 1920 Comment
  SEINET10598237  Danthonia californica George D. Butler 1910-7-8 Butler 1660 Siskiyou Wet meadow, Shackleford Creek. 1219 Comment
  UC1265437  Danthonia intermedia Frederick W. Oettinger 1968-8-4 762 Siskiyou Tobacco Lake Salmon Mountains, Marble Mountain Wilderness Area (upper meadow, w Siskiyou Co., high lake basins in vicinity of English Peak) 1889 Comment
  HSC91411  Danthonia unispicata Jennifer Whipple 1976-7-7 1333 Siskiyou N slopes of Mt. Eddy. 2439 Comment
  JEPS82708  Darlingtonia californica Wayne Roderick 1984-6-7 Siskiyou n side Mt. Eddy (Road 17 up); n side Mt. Eddy 1706 Comment
  UC1037462  Darlingtonia californica Douglas Barbe 1955-7-9 160 Siskiyou soggy meadow 1/4 mi n Kangaroo Lake; Scott Mtns., Rail Creek 1828 Comment
  HSC100270  Dasiphora fruticosa J. P. Smith, , J. O. Sawyer, & R. J. Cole 2010-8-7 13064 Siskiyou Klamath National Forest, road to Crater Lake off Forest Service Road 40N24. 2003 Comment
  HSC76671  Dasiphora fruticosa K. T. Stillman 1976-7-22 285 Siskiyou Marble Mtn. Wilderness Area 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
  CHSC57497  Delphinium andersonii Lyna R. Black 1990-4-11 4 Siskiyou Approx. 1/2 mi ne of Yreka. 883 Comment
  RSA714940  Delphinium depauperatum M. E. Fishbein, Lane Greer 2006-8-3 5883 Siskiyou Paynes Creek, at road crossing below Paynes Springs, 2 miles SE of Medicine Lake. 1975 Comment
  HSC28666  Delphinium depauperatum Frederick W. Oettinger 1969-7-18 1054 Siskiyou Marble Mtn. Wilderness Area, SW of Upper English Lake 1951 Comment
  POM99878  Delphinium glaucum Geo. D. Butler 1908-8-6 353 Siskiyou Whiskey Camp Independence Creek Comment
  CAS-BOT-BC10145  Delphinium menziesii L. R. Short 1933-5-22 54 Siskiyou Klamath National Forest 609 Comment
  UC165948  Delphinium nudicaule Geo. D. Butler 1910-5-7 1299 Siskiyou dry hills near Yreka Comment
  CAS-BOT-BC9890  Delphinium nudicaule L. E. Smith 1913-5-4 258 Siskiyou Yreka Comment
  HSC41683  Delphinium nuttallianum Jennifer Whipple 1977-7-22 2052 Siskiyou Dale Creek drainage on the N face of Mount Eddy 2195 Comment
  HSC64661  Delphinium nuttallianum J. O. Sawyer 1977-7-6 3027 Siskiyou South of Little Duck Lake 2134 Comment
  HSC720  Delphinium nuttallianum William J. Ferlatte 1967-7-26 743 Siskiyou Caribou Basin, Sawtooth Ridge 2043 Comment
  HSC734  Delphinium nuttallianum William J. Ferlatte 1966-6-22 88 Siskiyou Along the S Fork of the Salmon River, between the campground and Carter's 1524 Comment
  HSC43376  Delphinium nuttallianum Maralyn O'Meara 1974-5-26 455 Siskiyou Along USFS Rd. 47N03 1524 Comment
  SD143485  Delphinium nuttallianum H. Dearing, M. Dearing 1938-6-29 2190 Siskiyou Wagon Camp, Mt. Shasta 1829 Comment
  HSC81765  Deschampsia cespitosa Thomas W. Nelson, Jane P. Nelson 1980-7-20 6171 Siskiyou Above and to SE of Big Carmen Lake 1738 Comment
  JEPS116611  Deschampsia cespitosa Julie Kierstead Nelson with Rhonda Posey, Ross Olson 2007-8-1 2007 -023 Siskiyou The Eddys, west of Mt. Shasta. West side of Toad Lake headwaters of Middle Fork of upper Sacramento River. South China Mountain 2118 Comment
  CAS-BOT-BC192469  Deschampsia cespitosa subsp. cespitosa Geo. D. Butler 1910-7-7 1652 Siskiyou Shackleford Creek 914 Comment
  JEPS117870  Deschampsia cespitosa subsp. cespitosa Julie Kierstead Nelson with Rhonda Posey, Ross Olson 2007-8-1 2007 -023 Siskiyou The Eddys, west of Mt. Shasta. West side of Toad Lake, headwaters of Middle Fork of upper Sacramento River 2118 Comment
  CAS-BOT-BC201636  Deschampsia danthonioides Louis C. Wheeler 1934-6-10 2674 Siskiyou Hungry Creek, Siskiyou Mts. 1097 Comment
  RSA582089  Deschampsia danthonioides L. C. Wheeler 1934-6-10 2674 Siskiyou Hungry Creek; Siskiyou Mts. 1098 Comment
  RSA86765  Deschampsia danthonioides L. C. Wheeler 1934-6-10 2674 Siskiyou Hungry Creek; Siskiyou Mts. 1098 Comment
  HSC30519  Deschampsia elongata Frederick W. Oettinger, R. W. Thorne 1969-8-5 1190 Siskiyou Marble Mountain Wilderness Area: NW side of English Peak. 1951 Comment
  HSC65587  Deschampsia elongata Donald W. Miles 1979-7-18 18 Siskiyou "Midway up Lookout Point, on short logging spur off of Medicine Lake Rd., 11 mi. N of Bartle." 1555 Comment
  UCD63457  Deschampsia elongata A. A. Beetle; G. L. Stebbins Jr. 1942-6-1 3445 Siskiyou 11 miles north of Happy Camp, rd. to Grants pass, banks of Indian Creek. Comment
  CAS-BOT-BC65375  Descurainia incana R. C. Wenk 2005-7-16 253 Siskiyou South Fork of the Salmon River, S end of Big Flat Meadow. 1493 Comment
  UC855985  Descurainia sophia A. A. Heller 1916-6-22 12524 Siskiyou near Sisson 1074 Comment
  POM369575  Descurainia sophia L. C. Wheeler 1934-6-2 2620 Siskiyou Oak Knoll ranger station, Klamath River; Mt. Diablo Mer. 671 Comment
  JEPS1798  Dianthus deltoides subsp. deltoides Duncan Dunning 1921-7-16 Siskiyou se Toad Mountain (Toad Lake, nw of Hambone, southeastern Siskiyou County); se of Toad Mountain Comment
  RSA433581  Dicentra formosa subsp. formosa M. B. Dunkle 1944-6-25 9004 Siskiyou Siskiyou Mts. Beaver Creek. 1677 Comment
  JEPS5684  Dichelostemma X venustum Geo. D. Butler 1909-7-15 889 Siskiyou Highland Mine Comment
  HSC82484  Dichelostemma congestum Thomas W. Nelson, Jane P. Nelson 1979-6-15 4799 Siskiyou Along road to Carmen Lake, 0.6 mi. from junction with State Route. 1646 Comment
  RSA755953  Dichelostemma ida-maia Robert F. Thorne 1969-8-2 63350 Siskiyou Klamath National Forest, Salmon Mountains, Marble Mountain Wilderness Area, high lake basins in the vicinity of English Peak 1159 Comment
  UC144626  Dichelostemma multiflorum A. A. Heller 1905-6-1 7942 Siskiyou between Upper Soda Spring and Shasta Retreat Comment
  UC3328  Dichelostemma multiflorum Mrs. Palmer 1898-4-21 Siskiyou Shasta Comment
  UCD35445  Dieteria canescens Beecher Crampton 1956-8-22 3864 Siskiyou South slope of Mt. Shasta, Wagon Camp Road, about 4 miles southwest of Panther Meadow. 1828 Comment
  JEPS40718  Dieteria canescens var. incana Geo. D. Butler 1911-9-11 1869 Siskiyou Comment
  JEPS45940  Dieteria canescens var. shastensis Rimo Bacigalupi, and L. R. Heckard 1966-6-20 9184 Siskiyou on n side Mt. Shasta (along upper part of Bolam Logging road) 1676 Comment
  HSC5467  Dimeresia howellii R. C. Wunner 179 Siskiyou California Lava Beds National Monument; top of Caldwell Butte in bottom of crater 1498 Comment
  SEINET8341672  Diplacus nanus W. B. Cooke, V. G. Cooke 1962-6-30 45418 Siskiyou near Military Pass Road above Andesite Crossing, Mt. Shasta. 1524 Comment
  SDSU13054  Dipsacus sativus D. F. Howe 1962-8-5 3260 Siskiyou 56.8 miles east of Happy Camp on #96. 610 Comment
  SEINET4170351  Disporum hookeri Unknown 1921-9-14 Siskiyou Siskiyou Comment
  JEPS107661  Distichlis spicata Lowell Ahart, John Dittes 2005-6-9 12004 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
  SEINET10558103  Distichlis spicata Louis C. Wheeler 1935-6-30 Wheeler 3642 Siskiyou Dry subsaline adobe flat, 3 mi. S. Grenada, Shasta Valley. 792 Comment
  HSC32161  Dodecatheon jeffreyi J. O. Sawyer 1970-6-17 2203 Siskiyou Little Duck Lake Creek 2012 Comment
  CHSC71293  Downingia cuspidata Vernon H. Oswald; Lowell Ahart 1998-6-11 9225 Siskiyou Butte Valley National Grassland near the junction of Meiss Lake-Sams Neck Rd. and Hwy. 97 ca. 5 mi north of Macdoel. 1295 Comment
  POM259621  Draba pterosperma J. T. Howell 1939-8-8 s.n. Siskiyou Marble Mountains: Black Mountain Comment
  SEINET4852968  Draba pterosperma G. D. Butler 1910-7-10 1716 Siskiyou Marble Mountain. 1677 Comment
  CAS-BOT-BC41409  Draba verna L. E. Smith 1913-3-26 24 Siskiyou Yreka near depot. Comment
  JEPS1616  Draperia systyla W. L. Jepson Jul 17 1902-Jul 22 1902 2070 Siskiyou Devil's Backbone; western Siskiyou 1828 Comment
  JEPS125885  Drosera rotundifolia Dean W. Taylor with Glenn L. Clifton 1996-7-27 15853 Siskiyou Shasta-Trinity National Forest; Lower Cliff Lake, The Eddys, about 15 air miles SW of Weed. Comment
  UC642568  Drymocallis W. Bridge Cooke 1939-8-22 13829 Siskiyou along Horse Camp Creek; Mount Shasta, along Horse Camp Creek Comment
  RSA237852  Drymocallis glandulosa var. reflexa Frederick W. Oettinger 1969-8-1 1124 Siskiyou Above wiregrass meadow near English Lake. Salmon Mtns. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1799 Comment
  UC1409376  Drymocallis lactea var. austiniae Frederick W. Oettinger 1969-7-13 1002 Siskiyou moist meadow n Upper English Lake (High Lake Basins in the vicinity of English Peak, Marble Mountain Wilderness Area, w Siskiyou County); Salmon Mountains, Marble Mountain Wilderness Area, English P 1950 Comment
  HSC45014  Drymocallis pseudorupestris var. pseudorupestris J. O. Sawyer 1978-6-16 3220 Siskiyou Marble Mtn. Wilderness Area; in Upper Elk Valley 1921 Comment
  CAS-BOT-BC158414  Drymocallis pseudorupestris var. saxicola Alice Eastwood 1912-8-30 2026 Siskiyou Mount Eddy Comment
  CAS-BOT-BC158418  Drymocallis rhomboidea Louis C. Wheeler 1934-6-19 2732 Siskiyou Klamath National Forest 1432 Comment
  UC1593363  Dryopteris expansa Alan Smith with Chris Richards, C. Don Macneill, Janet Sowers, Bob Martin, Pat Toops, and Barney 1992-6-6 2541 Siskiyou at base of entrance pit Fossil Cave; Lava Beds Nat'l Monument 1280 Comment
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May 30 2013
  JEPS98791  Eleocharis Sue Pappalardo 1993-7-19 500 Siskiyou about 4 mi SE of Bear Mountain Lookout (between Forest Service roads 40N38 and 40N36); Shasta Trinity National Forest, McCloud Ranger District 1300 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
  JEPS107385  Eleocharis rostellata Lowell Ahart, John Dittes 2005-6-10 12097 Siskiyou Steep slope, 30 yards east of the Shasta River, near the south fence, 100 yards south of the pump house along the Shasta River, about 1.9 miles (air) south of Highway 99/97 Cutoff, about 6 miles (air) east-southeast of Grenada 776 Comment
  JEPS117632  Elodea canadensis Lowell Ahart, John Dittes 2010-7-30 16964 Siskiyou In the Shasta River, about 30 yards northwest of the East Louie Road Bridge, Shasta Big Springs Ranch, 1.6 miles (air) southwest of Big Springs Lake, 4.6 miles (air) northwest of Dwinnel Dam, 5.7 miles (air) southeast of Grenada 716 Comment
  CAS-BOT-BC451557  Elodea canadensis Louis C. Wheeler 1934-6-3 2624 Siskiyou Cherry Flat, Klamath River, Siskiyou Mts. 518 Comment
  POM208264  Elodea canadensis L. C. Wheeler 1934-6-3 2624 Siskiyou Cherry Flat, Klamath River; Siskiyou Mts. 518 Comment
  CAS-BOT-BC197359  Elymus Louis C. Wheeler 1934-8-14 3132 Siskiyou White Mountain: North side 1767 Comment
  CAS-BOT-BC227913  Elymus elymoides M. B. Dunkle 1945-7-22 9241 Siskiyou Klamath National Forest. Wooley Pocket 2133 Comment
  CAS-BOT-BC227915  Elymus elymoides R. J. Mastrogiuseppe; J. D. Mastrogiuseppe 1974-9-2 171 Siskiyou West slope of ridge of Red Rock Mtn. 2133 Comment
  RSA29740  Elymus elymoides L. C. Wheeler 1934-8-6 3057 Siskiyou Siskiyou Mts.; Rock Gulch off Jaynes Canyon; Mt. Diablo Mer. 1829 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
  HSC21979  Elymus elymoides var. elymoides J. O. Sawyer 1969-7-9 1206 Siskiyou Near C.C.C. road, N of Sugar Creek 1433 Comment
  HSC22477  Elymus elymoides var. elymoides J. O. Sawyer 1969-8-1 1688 Siskiyou SE facing slope above Duck Lake Creek 1951 Comment
  HSC38714  Elymus elymoides var. elymoides J. D. Ackerman, A. M. Montalvo 1975-7-18 574 Siskiyou S Fk of Sacramento River, off USFS Rd. 40N30. Between Mt. Eddy and Boulder PK. SW of Mt. Shasta City. Comment
  HSC100317  Elymus glaucus J. P. Smith, J. O. Sawyer 2011-7-21 13028 Siskiyou Along Klamath Forest Service Road 13N18, 0.3 mi. N of Ogaromtoc Lake. 568 Comment
  CAS-BOT-BC206611  Elymus glaucus subsp. glaucus Doris K. Kildale 1928-8-20 6622 Siskiyou Hancock Lookout, on trail to Marble Mountain 2151 Comment
  HSC103029  Elymus hispidus J. P. Smith 2014-6-7 13887 Siskiyou Yreka 844 Comment
  RSA198621  Elymus multisetus Geo D. Butler 1910-7-3 1632 Siskiyou Goosenest Foothills 1220 Comment
  UC167210  Elymus multisetus Geo. D. Butler 1909-5-25 823 Siskiyou near Yreka Comment
  CAS-BOT-BC204266  Elymus trachycaulus subsp. subsecundus David D. Keck 1949-7-19 6353 Siskiyou 6.5 mi. SW of Yreka on road to Ft. Jones, nr. head of Yreka Creek 1127 Comment
  CHSC91356  Elytrigia pontica subsp. pontica Lowell Ahart; John Dittes 2005-6-10 12077 Siskiyou On the north side of the Shasta River, about 100 yards northwest of the pump house along the Shasta River, about 1.9 miles (air) south of Highway 99/97 Cutoff, about 6 miles (air) east-southeast of Grenada. 776 Comment
  JEPS89972  Epilobium anagallidifolium Dean W. Taylor 1975-8-14 5453 Siskiyou between Shasta Ski area and Green Butte (Mt. Shasta); Mt. Shasta 2590 Comment
  RSA144782  Epilobium angustifolium subsp. circumvagum J. W. MacSwain 1959-8-10 59 -149 Siskiyou West of McCloud Comment
  RSA448538B  Epilobium angustifolium subsp. circumvagum Bonnie C. Templeton 1957-6-21 s.n. Siskiyou On the road up to Mt. Shasta. Comment
  UC204380  Epilobium brachycarpum A. A. Heller 1914-8-25 11706 Siskiyou near Deetz Station (opposite Black Butte) 1158 Comment
  UCR37591  Epilobium brachycarpum L. P. Janeway 1983-9-11 666 Siskiyou Poker Flat 1524 Comment
  HSC24684  Epilobium ciliatum subsp. ciliatum J. O. Sawyer 1969-8-4 1793 Siskiyou Along C.C.C. road 1341 Comment
  UC61085  Epilobium densiflorum W. A. Setchell, C. C. Dobie 1902-7-21 Siskiyou Sisson Mt. Shasta Comment
  HSC48282  Epilobium hallianum J. O. Sawyer, Ken Stillman 1978-7-6 3350 Siskiyou Along Happy Camp - O'Brien Rd., above Louse Creek. Comment
  HSC81511  Epilobium hallianum Thomas W. Nelson, Jane P. Nelson 1980-7-19 6202 Siskiyou Along USFS Rd. 40N17 1.0 mi. from junction with Callahan-Cecilville Rd. 1585 Comment
  HSC60820  Epilobium minutum Ruby Van Deventer 1960-7-7 Siskiyou Bell Echo Camp in Youngs Valley Comment
  CDA38114  Epilobium minutum G. D. Barbe, J. T. Howell, T. C. Fuller 1980-4-29 2649 Siskiyou Schoolhouse Hill, summit of Gazelle/Callahan Road, 11.3 km east of Callahan. Comment
  POM215871  Epilobium minutum Louis C. Wheeler 1935-6-9 3551 Siskiyou Yreka Creek, Siskiyou Mountains. 1220 Comment
  UC637055  Equisetum arvense Edward Lee 1934-8-13 1077 Siskiyou watershed of W Branch of Indian Creek (Happy Camp - Waldo (Oregon) Rd.); Klamath Nat'l Forest 1371 Comment
  UCSB18560  Equisetum laevigatum 1962-6-10 Siskiyou N bank of Klamath River at its junction with Goff Creek, 4,5 mi W of Seiad. 411 Comment
  SEINET3413803  Equisetum telmateia var. braunii Jack Seely 1991-6-2 s.n. Siskiyou Klamath National Forest: West Branch Forest Service Campground; elevation 2200 ft. 671 Comment
  CAS-BOT-BC204511  Eragrostis cilianensis Dorothy Parker 1949-7-24 85 Siskiyou Garden, McConahue Gulch, Scott Valley 914 Comment
  RSA602818  Eragrostis cilianensis L. C. Wheeler 1935-7-20 3674 Siskiyou Scott Valley: Scott river 1.5 miles west of Fort Jones. 822 Comment
  SEINET3164603  Eremocarpus setiger G. D. Butler 1910-7-28 1794 Siskiyou near Yreka Comment
  RSA0045089  Eremogone congesta R. F. Thorne 1969-8-2 63335 Siskiyou Klamath National Forest, Salmon Mountains, Marble Mountain Wilderness Area, high lake basins in the vicinity of English Peak. Trail to upper English Lake along Salmon River. 1159 Comment
  CAS-BOT-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-BC286701  Ericameria bloomeri Alice Eastwood 1921-7-29 10971 Siskiyou Medicine Lake Comment
  HSC67828  Ericameria bloomeri J. O. Sawyer, J. Cole 1980-7-20 3760 Siskiyou 2 mi. N of Little Glass Mtn., on road connecting FS Rd. 45N05 with FS Rd. 47N75 1875 Comment
  POM261490  Ericameria bloomeri W. Bridge Cooke 1938-9-17 11687 Siskiyou Horse Camp. Hudsonian. 2439 Comment
  RSA142695  Ericameria bloomeri P. A. Munz 1960-8-22 24172 Siskiyou Panther Meadows, Mt. Shasta 2287 Comment
  SEINET193114  Ericameria bloomeri A. A. Heller 1939-7-31 15428 Siskiyou Junction of the Horse Camp and Panther Meadow roads Mount Shasta Comment
  UC1188089  Ericameria bloomeri Philip A. Munz 1960-8-22 24172 Siskiyou Panther Meadows Mt. Shasta, Panther Meadows 2286 Comment
  UC1539983  Ericameria nauseosa M. Mitchell 1936-5-19 37 Siskiyou 1 1/4 mi w of Caldwell Butte; Lava Beds National Park 1417 Comment
  SEINET8079148 Image available Ericameria nauseosa var. oreophila G. D. Butler 1910-8-15 1739 Siskiyou Shasta Valley Comment
  SEINET8687685 Image available Erigeron M. S. Baker s.n. Siskiyou Road to medicine Lake Comment
  CAS-BOT-BC293505  Erigeron aliceae Doris K. Kildale 1928-8-20 6616 Siskiyou Hancock Lookout, on trail to Marble Mt., B.M. 2151 Comment
  UC1409461  Erigeron aliceae F. W. Oettinger and R. F. Thorne 1969-8-4 1185 Siskiyou meadow n of Tobacco Lake; Salmon Mts., English Peak area, Red Fir Forest 1889 Comment
  UCD131603  Erigeron aliceae J. M. Tucker 1974-7-28 4323 Siskiyou Marble Mountain Wilderness Area, Haypress Meadows. 1463 Comment
  CAS-BOT-BC293494  Erigeron aliceae Louis C. Wheeler 1934-7-3 2855 Siskiyou Klamath National Forest. Soda Creek 1676 Comment
  CAS-BOT-BC293503  Erigeron aliceae Geo. D. Butler 1908-8-8 290 Siskiyou West Fork of Woolly Creek Comment
  UC1333338  Erigeron aliceae Dorothy Parker 1968-7-18 1024 Siskiyou Salmon Cut Siskiyou Mountains, Salmon Cut 1828 Comment
  HSC92420  Erigeron bloomeri var. bloomeri Jennifer Whipple 1976-6-30 1197 Siskiyou SE slope of Mt. Eddy, draining into the N Fork of the Sacramento River 2226 Comment
  RSA126295  Erigeron cervinus I. L. Wiggins 1955-7-27 13518 Siskiyou Caribou Lake, Salmon-Trinity Alps Primitive Area. 2043 Comment
  NY168441  Erigeron copelandii E. B. Copeland 09 1903 s.n. Siskiyou Mt. Eddy 1249.7 Comment
  UC166195  Erigeron foliosus var. confinis Geo. D. Butler 1909-7-15 949 Siskiyou Highland Mine Russian Creek, Highland Mine Comment
  RSA165609  Erigeron foliosus var. confinis Clare B. Hardham 1961-6-30 8007 Siskiyou Near White Mt. 1829 Comment
  HSC2408  Erigeron glacialis var. glacialis William J. Ferlatte 1966-8-5 336 Siskiyou Caribou Mtn. 2470 Comment
  CAS-BOT-BC295386  Erigeron inornatus Grant 1902-9-11 5173 Siskiyou Sisson Comment
  SEINET5708484 Image available Erigeron inornatus var. inornatus Lowell E. Urbatsch, Vesna Karaman, Castro 2000-1 7702 Siskiyou Scott Mtns. Collected along Road 17, 11.8 mi SW from the intersection of I-5 and Stewart Spring Rd.; Scott Mountains 1955 Comment
  OBI55433  Erigeron inornatus var. inornatus David J. Keil 1992-7-20 23492 Siskiyou Klamath NF W of Ft. Jones. Along Forest Rd 44N45, 2 mi S of Scott river Rd 100 Comment
  JEPS41495  Erigeron klamathensis W. L. Jepson Jul 17 1902-Jul 22 1902 2101 Siskiyou The Devils Backbone Western Siskiyou 1828 Comment
  CAS-BOT-BC58400  Erigeron petrophilus R. C. Wenk 2008-8-31 988 Siskiyou South Fork of Salmon River, Yellow Rose Mine above Big Flat Meadow. 1981 Comment
  JEPS93920  Erigeron petrophilus var. viscidulus Vernon H. Oswald and Lowell Ahart 1998-8-3 9410 Siskiyou Kangaroo Lake Road (USFS 41N08) 3.5 mi se of Gazelle-Callahan Road at its intersection with USFS 41N10 Kangaroo Lake Road 1493 Comment
  UC725338  Erigeron petrophilus var. viscidulus A. A. Heller 1918-7-16 13032 Siskiyou Mt. Eddy Comment
  CAS-BOT-BC300086  Erigeron philadelphicus Laura M. Lathrop 1903-7-10 s.n. Siskiyou Shasta Retreat Comment
  CAS-BOT-BC300093  Erigeron philadelphicus H. A. Thomas; J. H. Thomas 1954-7-21 4395 Siskiyou Salmon - Trinity Mts. About 6 miles SE of Cecilville. West side of Rush Creek 1036 Comment
  CAS-BOT-BC300095  Erigeron philadelphicus L. B. Kildale 1930-5-31 9806 Siskiyou Island in Klamath River near Hornbrook Comment
  RSA60477  Erigeron philadelphicus John H. Thomas 1949-6-16 945 Siskiyou 1/4 mi north of Beaver Creek Public Camp, along Beaver Creek; 5 mi north of junction of Beaver Creek and Klamath River; Klamath National Forest. Comment
  UC163864  Erigeron philadelphicus var. philadelphicus Geo. D. Butler 1908-6-25 508 Siskiyou creek bank near Yreka Comment
  RSA153440  Erigeron strigosus Francia Chisaki, Helen Sharsmith 1960-8-20 4739 Siskiyou On Wildcat Canyon Road ca. 4 miles west of Callahan 1067 Comment
  SBBG15739  Eriodictyon lobbii D. Myrick 1961-6-22 319 Siskiyou Hwy 89 near McCloud 914 Comment
  HSC61210  Eriogonum compositum Al Hobart 1967-8-8 Siskiyou El Capitan Comment
  CAS-BOT-BC248836  Eriogonum compositum var. compositum D. E. Breedlove 1962-6-11 3344 Siskiyou 7.4 miles south-west of Scott Bar 624 Comment
  RSA237770  Eriogonum compositum var. compositum Frederick W. Oettinger 1968-8-23 614 Siskiyou Diamond Lake spillway on way to English Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2058 Comment
  RSA423109  Eriogonum douglasii var. douglasii M. B. Dunkle 1945-1 9324 Siskiyou Klamath National Forest, Marble Mountains. 2439 Comment
  CAS-BOT-BC516180  Eriogonum douglasii var. meridionale Dana York 2011-9-8 3083 Siskiyou Marble Mountain Wilderness: Klamath National Forest, along summit of Marble Mountain, ca. 2.1 km N of Black Marble Mountain 2120 Comment
  POM105148  Eriogonum luteolum Geo. D. Butler 1910-6-17 1572 Siskiyou Near Yreka Comment
  SEINET5330461  Eriogonum luteolum L. Wheeler 1934-6-28 2811 Siskiyou Beaver Creek at West Fork, Siskiyou Mts., 701 Comment
  HSC26154  Eriogonum luteolum var. luteolum J. P. Smith, J. O. Sawyer 1972-9-14 5802 Siskiyou Miner's Creek Rd. just S of French Creek Rd. between Callahan and Etna. 915 Comment
  CAS-BOT-BC94467  Eriogonum marifolium R. C. Wenk 2005-7-19 328 Siskiyou Along Pacific Crest Trail, near top of pass below Mt. Eddy 2438 Comment
  UC1505832  Eriogonum marifolium Robert T. Clausen and Harold Trapido 1940-7-27 4975 Siskiyou 5 mi ne, on w side of Mountainhouse Creek summit of Mt. Shasta; So. Cascade Mts., Mountainhouse Creek 1981 Comment
  UC1601649  Eriogonum marifolium Dr. E. B. Copeland 1903-8-15 3916 Siskiyou Mt. Shasta 2346 Comment
  UC1949265  Eriogonum marifolium Barbara Ertter 1990-7-16 9382 Siskiyou NW side of Mt Eddy ca 8 airmiles SW of Weed, ca 2 mi E of Parks Cr trailhead (= crest of Rt 17) along ridge Comment
  UC604097  Eriogonum marifolium W. Bridge Cooke 1938-7-1 11137 Siskiyou Mt. Shasta 1676 Comment
  UC912728  Eriogonum marifolium Lewis S. Rose 1937-7-25 37588 Siskiyou s slope of Mt. Shasta Mt. Shasta 1767 Comment
  UC912735  Eriogonum marifolium Alice Eastwood 1921-7-25 10801 Siskiyou near Pilgim Creek nursery Comment
  CAS-BOT-BC267391  Eriogonum marifolium var. marifolium Wm. H. Brewer 1862-9-13 s.n. Siskiyou Mount Shasta 2743 Comment
  HSC69137  Eriogonum nudum Maralyn A. Renner 1980-8-8 2481 Siskiyou Klamath National Forest, near trail, ~0.5 mi. down from Rattlesnake Meadow 1555 Comment
  CAS-BOT-BC261672  Eriogonum nudum var. nudum A. A. Heller 1915-8-26 12246 Siskiyou Wagon Creek at the foot of Mt. Eddy 1127 Comment
  HSC30485  Eriogonum nudum var. nudum Frederick W. Oettinger 1968-8-16 532 Siskiyou Marble Mtn. Wilderness Area, summit of Red Hill N of Hancock Lake 2088 Comment
  HSC43404  Eriogonum nudum var. nudum K. T. Stillman 1976-7-21 278 Siskiyou Marble Mtn. Wilderness Area, ridge from Back Mtn. to Jump Off Point 2043 Comment
  UCD77662  Eriogonum nudum var. pubiflorum Robert E. Preston 2001-6-23 1566 Siskiyou Klamath National Forest, n slope of Rainbow Mtn, at Hemlock Lake, T42N R1W se 1/4 of se 1/4 Section 14 1889 Comment
  UCR12004  Eriogonum nudum var. pubiflorum William B. Cooke 1941-9-5 16270 Siskiyou Mt. Shasta, MacBride Springs Comment
  CAS-BOT-BC272470  Eriogonum nudum var. pubiflorum Gordon H. True 1966-9-9 3294 Siskiyou Klamath River at conf. with Scott River, just east of Hamburg 426 Comment
  CAS-BOT-BC272478  Eriogonum nudum var. pubiflorum Elmer I. Applegate 1935-6-10 9473 Siskiyou Thomas massacre area, Lava Beds National Monument Comment
  HSC17317  Eriogonum nudum var. pubiflorum R. C. Wunner 1965-6-15 201 Siskiyou Lava Beds N.M., E side Caldwell Butte 1463 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
  RSA19313  Eriogonum nudum var. pubiflorum L. S. Rose 1937-7-26 37601 Siskiyou 3 miles east of Mt. Shasta City. 1372 Comment
  JEPS25567  Eriogonum pyrolifolium Rimo Bacigalupi with George Bacigalupi Jr. 1959-7-1 7192 Siskiyou pumice fields just e Mt. Shasta Ski Bowl Lodge (sw slope of mt., at upper end of Everitt Hwy); Mt. Shasta 2346 Comment
  POM165277  Eriogonum pyrolifolium var. pyrolifolium C. F. Baker 1903-8-16 3807 Siskiyou Mount Shasta 3049 Comment
  HSC17400  Eriogonum roseum C. B. Wolf 1927-8-26 1082 Siskiyou Klamath River, 14 mi. above Happy Camp Comment
  CAS-BOT-BC267708  Eriogonum roseum Louis C. Wheeler 1934-9-19 3282 Siskiyou Oak Knoll Ranger Station, Klamath River, Siskiyou Mts. 670 Comment
  CAS-BOT-BC94541  Eriogonum siskiyouense R. C. Wenk 2006-7-24 533 Siskiyou Scott Mountains, border between Trinity and Siskiyou Counties, forest near the Pacific Crest Trail, 1/2 km E of Hwy 3 1700 Comment
  CAS-BOT-BC268578  Eriogonum siskiyouense J. D. Jokerst 1981-8-18 1463 Siskiyou East of USFS logging road in the S1/2 of the SW1/4 Section 2 1249 Comment
  UC1540132  Eriogonum spergulinum var. reddingianum Dean W. Taylor 1987-6-26 9076 Siskiyou 2 mi se Medicine Lake; Paynes Spring 1996 Comment
  HSC103626  Eriogonum strictum var. greenei Thomas W. Nelson, Jane Nelson 1983-8-12 7587 Siskiyou Along Forest Service Rd. 40N02, ~ 1 mile north of junction with State Route 3 at Scott Mountain Summit 1646 Comment
  UC1299712  Eriogonum ternatum Freed W. Hoffman 1950-7-14 3624 Siskiyou Baldy Mountain Comment
  HSC65496  Eriogonum umbellatum R. White 1977-7-1 103 Siskiyou Top of Sawtooth Mtn. 1761 Comment
  CAS-BOT-BC267979  Eriogonum umbellatum var. argus John Thomas Howell 1939-8-2 14887 Siskiyou Spirit Lake, Marble Mts. 1828 Comment
  RSA237986  Eriogonum umbellatum var. argus Frederick W. Oettinger 1969-8-25 1548 -b Siskiyou Salmon Mtns. High Lake Basins in the vicinity of English Peak. Marble Mtn Wilderness Area. 2027 Comment
  SEINET7545232  Eriogonum umbellatum var. argus J. L. Reveal, M. L. Reveal 1975-1 3955 Siskiyou Siskiyou Mts. Klamath National Forest, along the Dry Lake Lookout Rd., 0.5 mi. W of Dry Lake Lookout near the Buckthorn Trail 2042 Comment
  UC849386  Eriogonum umbellatum var. dumosum Alice Eastwood 1921-7-25 10802 Siskiyou Pilgrim Creek nursery Pilgrim Creek Comment
  CAS-BOT-BC268152  Eriogonum umbellatum var. humistratum Arthur Menzies 1962-7-21 s.n. Siskiyou Mt. Eddy 2529 Comment
  NY803677  Eriogonum umbellatum var. lautum J. L. Reveal 2001-7-19 8348 Siskiyou Scott Valley, along South Kidder Creek Road, 0.5 mile west-southwest of California Highway 3, about 6.1 air miles southwest of Fort Jones and 5.7 air miles north of Etna. 869 Comment
  RSA739868  Eriogonum umbellatum var. nevadense L. P. Janeway, B. Castro 2007-7-28 9128 Siskiyou High Cascade Range, Medicine Lake Highlands, just N of the N edge of Medicine Lake Glass Flow. 2109 Comment
  POM253224  Eriogonum umbellatum var. polyanthum A. A. Heller 1938-7-13 1527 Siskiyou Border of meadows just south of Bray. 1402 Comment
  CAS-BOT-BC265203  Eriogonum umbellatum var. speciosum Dorothy Parker 1948-8-2 161 Siskiyou Along Etna Creek, 1-1 1/2 mi. from Etna, Scott Valley 896 Comment
  HSC77563  Eriogonum umbellatum var. stellatum L. P. Janeway 1983-9-11 660 Siskiyou Poker Flat 1524 Comment
  CHSC88553  Eriogonum ursinum var. erubescens James L. Reveal; Julie D. Knorr 2002-8-5 8371 Siskiyou Scott Bar Mountains, n and w slope and ridge of Deadwood Baldy Peak, Klamath National Forest. 1700 Comment
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Sep 19 2011
  RSA65968  Eriogonum vimineum F. W. Peirson 1923-7-19 3708 Siskiyou Camp on Whitney Creek, Mt. Shasta Comment
  POM116867  Eriophorum crinigerum Geo D. Butler 1910-7-9 1703 Siskiyou Log Lake, Shackleford Creek. 1220 Comment
  UC1112260  Eriophorum crinigerum Rimo C. Bacigalupi with Galen Smith 1957-6-26 5953 Siskiyou ca. 6 mi. due s. Mt. Eddy (head of S. Fork of Sacramento R., w. side Gumboot Lake); Gumboot Lake 1859 Comment
  CHSC118637  Eriophyllum lanatum Julie Kierstead Nelson; Martin Lenz, Rhonda Posey, Brenna Montagne 2016-6-9 2016 -016 Siskiyou Lower Parks Creek watershed, E Klamath Range, along Forest Service Road 42N19, 3 miles northwest of Stewart Springs. UTM NAD 83 Zone 10, 539249m E, 4586866m N. 1478 Comment
  UC507182  Eriophyllum lanatum var. grandiflorum Lincoln Constance 1928-6-1 Siskiyou s of Weed Comment
  CAS-BOT-BC308280  Eriophyllum lanatum var. integrifolium L. Constance 1940-7-26 15368 Siskiyou Diller Canyon, Mount Shasta 2133 Comment
  RSA47995  Eriophyllum lanatum var. integrifolium Roxana S. Ferris, Laura Lorraine 1948-6-12 11860 Siskiyou 2.4 miles below summit of Gazelle Mt. grade, east side 1418 Comment
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Mar 28 2012
  UC60935  Eriophyllum lanatum var. integrifolium Geo. B. Grant 1902-9-1 5228 Siskiyou Shasta Springs Mount Shasta 609 Comment
  UC796438  Eriophyllum lanatum var. integrifolium Roxana S. Ferris and Laura Lorraine Jun 12 1948-Jun 16 1948 11860 Siskiyou 2.4 mi below summit Gazelle Mt. Grade (e side) 1417 Comment
  CAS-BOT-BC301710  Eriophyllum lanatum var. lanceolatum Geo. D. Butler 1910-5-23 1394 Siskiyou Humbug Mountain 1219 Comment
  CAS-BOT-BC301718  Eriophyllum lanatum var. lanceolatum Elmer I. Applegate 1923-8-18 3859 Siskiyou Redshale Mountain, east of Medicine Lake Comment
  JEPS107286  Erodium cicutarium Lowell Ahart, John Dittes 2005-6-10 12058 Siskiyou Near a poor dirt road, about 80 yards north of the pump house along the Shasta River, about 1.9 miles (air) south of Highway 99/97 Cutoff, about 6 miles (air) east-southeast of Grenada 776 Comment
  UC2043245  Eryngium articulatum Barbara Ertter 1996-7-24 15023 Siskiyou Klamath River at mouth of Dillon Creek, Route 96 ca 14 air miles N of Somes Bar/Humboldt County line. Comment
  CAS-BOT-BC54589  Erysimum capitatum Carl B. Wolf 1927-8-27 1128 Siskiyou On the Klamath River, 7 miles below Happy Camp. Comment
  RSA22176  Erysimum capitatum J. T. Howell 1937-7-29 13636 Siskiyou Scott Mountain between Trinity and Siskiyou counties Comment
  UC375298  Erysimum capitatum Geo. D. Butler 1909-7-20 894 Siskiyou Highland Mine Comment
  JEPS44103  Erysimum capitatum var. capitatum W. B. and V. G. Cooke 1965-7-9 35123 Siskiyou along Everett Memorial Hwy Mt. Shasta Comment
  HSC77034  Erysimum perenne K. T. Stillman 1976-6-17 14 Siskiyou Marble Mtn. Wilderness Area, upper end of Elk Valley 1768 Comment
  CAS-BOT-BC105072  Erythranthe breweri R. C. Wenk 2008-7-24 913 Siskiyou SW side of Mount Shasta, Panther Meadow. Rocky area between wet boggy meadow, Phyllodoce heath, and red fir forest 2255 Comment
  CAS-BOT-BC133263  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-BC502724  Erythronium grandiflorum G. J. Muth 1969-8-8 1286 Siskiyou Gap Meadow, Boulder Peak Ridge 2286 Comment
  SEINET3160627  Eschscholzia californica G. D. Butler 1910-5-7 1301 Siskiyou Yreka Comment
  CAS-BOT-BC403684  Eschscholzia californica Mrs. H. C. Cantelow 1936-5-30 1365 Siskiyou Bet. Yreka and Fort Jones Comment
  SEINET5339918  Eschscholzia californica G. Butler 1910-5-7 1301 Siskiyou Dry land yreka Comment
  SEINET7042815  Eschscholzia californica A. G. Vestal 1955-5-17 s.n. Siskiyou Shasta Valley 2.1 miles north of Yreka. Hawkinsville quadrangle UTM Zone 10, 531952mE, 4623659mN. Comment
  RSA507781  Eucephalus glabratus J. C. Semple, S. Heard 1986-8-16 8492 Siskiyou SW of Etna. Etna Summit on Forest Hwy 93 1646 Comment
  HSC25665  Eucephalus ledophyllus var. ledophyllus J. O. Sawyer 1969-9-12 2010 Siskiyou Hanging valley N of Wildcat Peak 2012 Comment
  CAS-BOT-BC310481  Eucephalus tomentellus Alice Eastwood 1912-8-30 1984 Siskiyou Mount Eddy Comment
  POM67557  Euonymus occidentalis Geo. D. Butler 1910-7-9 1700 Siskiyou Shackleford Creek. 1220 Comment
  HSC67573  Fallopia convolvulus J. P. Smith, Steve Selva 1970-7-17 4442 Siskiyou 915 Comment
  UCD98897  Fallopia japonica T. C. Fuller 1963-8-26 11152 Siskiyou Dunsmuir Grade, Hwy 99 to Mt. Shasta City, 0.5 mi. n. of the limits of Dunsmuir. Comment
  CAS-BOT-BC278740  Festuca idahoensis Melissa A. Berry 1957-7-11 s.n. Siskiyou Parrott Mill Road, vicinity of Callahan 1005 Comment
  RSA121317  Festuca idahoensis H. A. Jensen 1933-9-30 357 Siskiyou Signal Butte. 1341 Comment
  RSA582090  Festuca idahoensis L. C. Wheeler 1934-6-10 2678 Siskiyou North Hungry Creek. Siskiyou Mountains. 1311 Comment
  UC1024703  Festuca idahoensis Leo Whitney 1934-6-10 2141 Siskiyou near Tennant; Antelope Creek 1463 Comment
  UC796503  Festuca idahoensis Roxana S. Ferris and Laura Lorraine Jun 12 1948-Jun 16 1948 11797 Siskiyou s of Callahan (Scott Mountain Road) Comment
  UCD66385  Festuca idahoensis Mr. Roseman 1913-1 24 Siskiyou Butte Valley. Comment
  RSA656724  Festuca roemeri var. klamathensis Barbara L. Wilson 1996-6-23 8177 Siskiyou Near the Klamath National Forest but in private land, on Forest service road 43N21, half mile west of intersection with Quartz Valley Road. Comment
  CAS-BOT-BC279068  Festuca rubra Melissa A. Berry 1957-7-8 s.n. Siskiyou South Russian Creek at Power House 822 Comment
  SJSU11321  Festuca subulata S. H. Casey 1981-7-4 1213 Siskiyou Seiad Creek Road near Cook & Green Pass c. 8 mi N of Seiad Valley 1219 Comment
  UCD66440  Festuca subulata A. A. Heller 1916-7-20 12466 Siskiyou Metcalf's ranch, northeast base of Mt. Eddy in openings in the forest. 1188 Comment
  SEINET10559490  Festuca subulata A. Arthur Heller 1916-7-20 Heller 12466 Siskiyou Metcalf's ranch, northeast base of Mt. Eddy in opening in the forest, 3900 Comment
  CHSC118257  Festuca viridula R. E. Brainerd; N. Otting 2013-7-12 2182 Siskiyou Klamath Mountains. Marble Mountains Wilderness Area. Near the outlet at the west end of Upper Wright Lake. UTM Zone 10 493406E 4603724N WGS84. 2255 Comment
  CAS-BOT-BC457572  Fragaria vesca subsp. californica Don. Reinoehl 1925-4-1 s.n. Siskiyou Dunsmuir Comment
  UC1258449  Fragaria virginiana subsp. platypetala J. Sawyer and J. Cole 1980-7-22 3990 Siskiyou Little Horse Peak; Klamath National Forest, Bray Quad. 1719 Comment
  CAS-BOT-BC60025  Frangula purshiana John Thomas Howell 1937-7-26 13541 Siskiyou Caribou Gulch. Comment
  SBBG26936  Frangula purshiana subsp. purshiana D. K. Kildale 1928-7-3 Siskiyou Little N Fork Salmon River, Sawyers Bar-Etna Mills Rd 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
  HSC100302  Frangula rubra J. P. Smith, & J. O. Sawyer 2011-6-25 13270 Siskiyou Along Sugar Creek Rd., E of its intersection with Hwy. 3. 912 Comment
  UCD121439  Frasera albicaulis var. nitida J. P. Smith; J. O. Sawyer 1972-6-30 5638 Siskiyou Jct. of French Creek and Sugar Creek road, 1/2 mile west of Parrott Mill Road. 1249 Comment
  CAS-BOT-BC502843  Fritillaria atropurpurea Harley P. Chandler 1901-6-1 1592 Siskiyou Ridges and meadows near Marble Mountain 1981 Comment
  CAS-BOT-BC502845  Fritillaria atropurpurea Ira L. Wiggins 1950-5-28 12390 Siskiyou Hillside .3 mile west of Carmen Lake 1706 Comment
  CAS-BOT-BC506212  Fritillaria pudica F. M. Anderson 1896-4-1 s.n. Siskiyou Near Yreka Comment
  RSA367760  Fritillaria pudica Christopher Davidson 1975-6-5 2689 Siskiyou 0.1 ENE on unnamed dirt rd. departing to E off Hwy 3 at Scott Mtn summit. 1677 Comment
  JEPS25674  Galium ambiguum subsp. siskiyouense Rimo Bacigalupi with Mr. and Mrs. Van Deventer 1959-7-10 7319 Siskiyou on rocky ridgetop marking Del Norte-Siskiyou co. boundary Siskiyou Mts. (on steep grade just above jeep road between Poker Flat and Twin Valley) 1664 Comment
  HSC77387  Galium ambiguum subsp. siskiyouense L. P. Janeway 1983-6-25 325 Siskiyou Just E of West Branch USFS station 671 Comment
  HSC68347  Galium aparine J. P. Smith 1973-5-5 6382 Siskiyou In and around the O'Neill Campground near Seiad Valley. 488 Comment
  HSC29326  Galium bifolium Frederick W. Oettinger 1969-7-9 937 Siskiyou Marble Mtn. Wilderness Area, NW of Upper English Lake 1799 Comment
  HSC78185  Galium bifolium L. P. Janeway 1983-7-17 418 Siskiyou Poker Flat, upper portion of meadow 1524 Comment
  JEPS25845  Galium bolanderi Rimo Bacigalupi with L. Constance and L. Heckard 1960-7-21 7470 Siskiyou roadbank on state Hwy 96 about 5 mi s Clear Creek ((or 4 mi n of Swillup Creek), along river); Klamath River 292 Comment
  UC1409412  Galium bolanderi Frederick W. Oettinger 1969-8-3 1144 Siskiyou in brushy area between Willow Springs and English Lake; Salmon Mountains, Marble Mountain Wilderness Area 1828 Comment
  JEPS109716  Galium boreale subsp. septentrionale Dean W. Taylor 2002-7-20 18255 Siskiyou Forest Road 17 ca. 3.3 miles west (above) junction with Stewart Springs Road, Parks Creek 1524 Comment
  UC455889 Image available Galium glabrescens subsp. glabrescens I. J. Condit 1909-8-23 Siskiyou near Sisson; Castle Lake; Castle Lake near Sisson 1828 Comment
  CAS-BOT-BC94860  Galium glabrescens subsp. glabrescens R. C. Wenk 2005-7-20 352 Siskiyou National Forest Road 17, 1 mile down road to the north heading toward Mt. Shasta 2029 Comment
  JEPS119371  Galium grayanum var. grayanum Dana York 2011-8-12 3042 Siskiyou Klamath National Forest, Marble Mountain. Comment
  RSA184794  Galium grayanum var. grayanum Gilbert Muth 1966-7-22 437 Siskiyou Marble Rim, Marble Mountains 2195 Comment
  UCR94142  Galium parisiense J. A. Alexander, N. F. McBain, N. A. Alexander 1995-6-30 424 Siskiyou Line Gulch, Klamath River drainage, along Calif. Hwy 96, c. 7 miles west (293 deg. ) of the intersection with I-5, near the S.F. Clyburn family home from 1917-1966 518 Comment
  CAS-BOT-BC223193  Galium serpenticum subsp. scotticum Clare B. Hardham 1961-7-3 8115 Siskiyou Scott R, S.W. of Calahan [Callahan] Comment
  CAS-BOT-BC223195  Galium serpenticum subsp. scotticum Alice Eastwood; John Thomas Howell 1937-6-25 5021 Siskiyou Scott Mts. south of Callahan Comment
  UC416664  Galium trifidum var. pusillum Milo S. Baker Aug. 1897 143 Siskiyou Payne's Springs Comment
  HSC19070  Galium triflorum J. O. Sawyer 1969-6-11 834 Siskiyou Lower slope next to the C.C.C. road on the N fork of Horse Range Creek 1357 Comment
  CAS-BOT-BC182271  Garrya fremontii Alice Eastwood 1921-7-24 10712 Siskiyou Castle Lake Comment
  POM131994  Garrya fremontii Geo. D. Butler 1910-3-12 1125 Siskiyou Near Yreka. 1067 Comment
  SEINET3144594  Garrya fremontii G. D. Butler 1910-3-12 1125 Siskiyou Hill near Yreba 1067 Comment
  UCD117428  Gaultheria humifusa Dean William Taylor 1972-7-3 1613 Siskiyou Near Little Duck Lake. 1981 Comment
  HSC68456  Gaultheria ovatifolia Maralyn A. Renner 1980-7-4 1441 Siskiyou Clear Creek Trail, N of Trout Camp 1037 Comment
  RSA507489  Gayophytum S. Morgan 1987-7-28 s.n. Siskiyou McGinnis Springs, 5 miles NW of McCloud, Shasta- Trinity National Forest, S of Mt. Shasta. 1768 Comment
  CHSC30771  Gayophytum diffusum subsp. parviflorum M. S. Taylor; J. Prouty, E. Heinitz 1980-8-18 3258 A Siskiyou Ca. 50 ft e of Hwy 15, ca. 3 mi n of its jct with Hwy 89, ca. 17 mi e of McCloud. Comment
  HSC19495  Gayophytum diffusum subsp. parviflorum J. O. Sawyer 1969-8-4 1879 Siskiyou S of S Sugar Lake 2104 Comment
  UC114767  Gayophytum diffusum subsp. parviflorum W. Bridge Cooke 1956-7-19 30311 Siskiyou below Wagon Camp; Mt. Shasta Comment
  POM261010  Gayophytum diffusum subsp. parviflorum W. Bridge Cooke 1941-9-10 16307 Siskiyou In the yard at Horse Camp, Mt. Shasta. 2439 Comment
  SD88389  Gayophytum diffusum subsp. parviflorum Darley F. Howe 1972-7-6 Siskiyou 1.3 miles south of Oregon state line on road to Happy Camp. 1646 Comment
  JEPS24633  Gayophytum heterozygum Rimo Bacigalupi with Drs. Reino and Aloha Alava 1958-9-1 6788 Siskiyou a little above and e McBride Springs (s slopes of mt.); Mt. Shasta 1432 Comment
  JEPS27525  Gayophytum heterozygum W. L. Jepson 1914-8-9 5744 Siskiyou McCloud 1036 Comment
  RSA12606  Gayophytum heterozygum Carl B. Wolf 1934-7-6 5979 Siskiyou 1/4 mile east of Mt. Shasta City, southwest slope of Mt. Shasta 1098 Comment
  UC618776  Gayophytum heterozygum W. Bridge Cooke 1938-7-29 11385 Siskiyou Howard Mount Shasta (along roadside) Comment
  HSC76977  Gayophytum humile K. T. Stillman 1976-6-25 42 Siskiyou Marble Mtn. Wilderness Area, Marble Valley 1829 Comment
  HSC16394  Gayophytum humile R. C. Wunner 1965-6-25 287 Siskiyou Lava Beds N.M., Indian Well Cave, Indian Well 1433 Comment
  RSA264967  Gayophytum racemosum Gilbert Muth 1975-7-30 7189 Siskiyou Near Lily Pad Lake near Seiad Valley. 1585 Comment
  SEINET10741189  Gentiana calycosa Andrew Townesmith, Karen M. Meyer 2007-8-1 Townesmith 878 Siskiyou Shasta-Trinity National Forest. 11.7 miles up Stewart Springs road/Forest Service road 17 (distance from intersection of Stewart Springs and Old 99 Highway). T41N R6W near sections 28 and 33. 1983 Comment
  HSC29222  Gentiana calycosa Frederick W. Oettinger 1969-8-1 1132 Siskiyou Marble Mtn. Wilderness Area, SE side of Wire Grass Meadow and bordering on English Lake outlet brook. 1677 Comment
  UCD121461  Gentiana newberryi Joseph M. DiTomaso 1976-9-8 688 Siskiyou Sawtooth Ridge Trail above Upper Caribou. 2209 Comment
  RSA238874  Gentiana plurisetosa Frederick W. Oettinger 1968-8-5 707 Siskiyou SW side of Diamond Lake. Salmon Mtns. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2073 Comment
  SEINET202641  Gentianella amarella Unknown 1954-8-13 4798 Siskiyou 0.1 mile north of summit of divide west of Scott Mountain, along road from Callahan to Carrville and Trinity Center, just north of Trinity-Siskiyou County line. 1615 Comment
  POM130560  Gentianella amarella E. B. Copeland 1903-9-6 3849 Siskiyou Mt. Eddy. Comment
  CHSC661  Gentianella amarella subsp. acuta N. Jaekel 1939-7-29 Siskiyou Black Butte Meadow. 1158 Comment
  RSA0029594  Geranium viscosissimum var. viscosissimum Geo. D. Butler 1910-6-6 1458 Siskiyou Quartz Valley. Comment
  UC643267  Gilia sinuata W. Bridge Cooke 1940-6-4 15008 Siskiyou along Bolam Road (on the n side of the mountain); Mount Shasta, n side of the mountain Comment
  HSC10064  Glyceria elata D. E. Anderson 1962-8-5 2316 Siskiyou 3 mi. W of Bartlett, 1 mi. N of Shasta Co. line on Hwy. 89 Comment
  HSC22305  Glyceria elata J. O. Sawyer 1969-8-5 1958 Siskiyou Above the S Fork of Sugar Creek 1814 Comment
  HSC22314  Glyceria elata J. O. Sawyer 1969-8-5 1774 Siskiyou W of Little Duck Lake 2073 Comment
  UCD85162  Glyceria elata L. Whitney 1934-6-24 s.n. Siskiyou Tennant. 1463 Comment
  RSA603021  Glyceria leptostachya L. C. Wheeler 1935-7-13 3663 Siskiyou Ager. 793 Comment
  CAS-BOT-BC282825  Glyceria striata L. P. Janeway 1983-9-11 684 Siskiyou Poker Flat, Siskiyou Mountains 1524 Comment
  POM229180  Glyceria striata L. C. Wheeler 1935-7-24 3693 Siskiyou Jaynes Canyon. Siskiyou Mtns. 1950 Comment
  RSA238377  Glyceria striata Frederick W. Oettinger, Robert F. Thorne 1969-8-7 1283 Siskiyou Upper edge of Sundew Bog, English Lake Basin. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. Comment
  CAS-BOT-BC302666  Gnaphalium palustre John Thomas Howell 1939-8-10 15254 Siskiyou Sky High Valley, Marble Mts. 1828 Comment
  HSC29163  Gnaphalium palustre Frederick W. Oettinger 1969-9-4 1627 Siskiyou E side of Hancock Lake 1951 Comment
  JEPS64394  Goodyera oblongifolia Willis L. Jepson 1894-8-9 21282 Siskiyou Upper Sacramento Region, Shasta Springs Shasta Springs; Upper Sacramento Region, Shasta Springs Comment
  CDA3427  Gypsophila paniculata Bill Huse 1953-7-29 Siskiyou Soil Conservation Yard at McDoel, Tule Lake. 0 Comment
  CAS-BOT-BC419705  Hackelia californica J. K. Nelson 2010-9-4 2010 -030 Siskiyou South slope of Mt. Shasta 1325 Comment
  HSC22135  Hackelia micrantha J. O. Sawyer 1969-6-13 949 Siskiyou Slope above Little Duck Lake 2134 Comment
  JEPS27124  Hackelia micrantha Lauramay T. Dempster 1961-7-1 1824 Siskiyou along ridge from Condry Peak to White Mountain 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
  POM254142  Hackelia micrantha C. L. Hitchcock 1939-7-9 5338 Siskiyou 2 miles south of Black Mt., near Kings Castle. 1829 Comment
  SEINET10902876  Hackelia mundula Mary Susan Taylor 1980-7-8 Taylor 3108 Siskiyou T39N R5W nw sec 19, Dunsmuir quad; Shasta-Trinity Natl Forest; on trail, E side of Castle Lake to Little Castle Lake. 1768 Comment
  UC637164  Hackelia setosa Edward Lee 1934-8-14 1121 Siskiyou w slope of Little Grayback 1706 Comment
  HSC30446  Hastingsia alba Frederick W. Oettinger, R. F. Thorne 1969-8-8 1301 Siskiyou Marble Mountain Wilderness Area, Sundew Bog in English Lake Basin 1829 Comment
  UC726459  Hastingsia alba A. A. Heller 1919-6-25 13268 Siskiyou Compton's Prairie Comment
  RSA237951  Hastingsia alba Frederick W. Oettinger, Robert F. Thorne 1969-8-8 1301 Siskiyou Sundew Bog near English Lake. Salmon Mtns; High Lake Basins in the vicinity of English Peak; Marble Mountain Wilderness Area. 1829 Comment
  HSC19550  Hastingsia serpentinicola J. O. Sawyer 1969-6-10 797 Siskiyou S face near Sugar Lake 1829 Comment
  HSC44998  Hastingsia serpentinicola J. P. Smith, Steve Selva 1970-7-17 4454 Siskiyou Below Kangaroo Lake. 1890 Comment
  JEPS84247  Hastingsia serpentinicola L. R. Heckard with S. D'Alcamo, J. Hickman, S. Winchester 1986-7-16 6362 Siskiyou ca 1/2 mi e Red Butte summit (ca 7 mi nne of Seiad Valley, w of Cook and Green Pass); nne Seiad Valley, e of Red Butte summit, w Cook and Green Pa 1900 Comment
  CAS-BOT-BC306742  Helenium bigelovii Alice Eastwood 1921-7-25 10847 Siskiyou Bigelows, McCloud River Comment
  SBBG8384  Helenium bigelovii H. and M. Dearing 1939-6-30 3756 Siskiyou rd from Callahan to Trinity Alps 1828 Comment
  UC456024  Helenium bigelovii I. J. Condit 1911-7-3 Siskiyou along river Shasta Retreat Comment
  HSC44710  Helianthella californica J. O. Sawyer, E. Cope 1977-6-18 2920 Siskiyou Along Clear Creek Trail between Ten Mile Creek and Bear Pen Creek 610 Comment
  UCD132926  Helianthus Ben Beard 1978-1 HSP 09 A Siskiyou near Mt. Shasta. Comment
  CAS-BOT-BC305575  Helianthus bolanderi L. R. Abrams 1922-8-6 9910 Siskiyou Between Summit and Hornbrook Comment
  HSC3682  Heliotropium curassavicum C. B. Wolf 1927-8-26 1057 Siskiyou Klamath River, 3 mi. below Gottenville 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
  HSC510  Hemizonella minima William J. Ferlatte 1967-6-27 541 Siskiyou Big Flat, near public campground 1524 Comment
  HSC5989  Hemizonella minima D. M. Thomson 1965-6-19 99 Siskiyou Lava Beds National Monument, Merril Ice Cave by side of trail Comment
  UC1096811  Hemizonella minima Milo S. Baker 1957-6-16 13109 Siskiyou Scott Mts. Comment
  UC1034060  Hesperolinon micranthum W. Bridge Cooke 1941-9-5 16260 Siskiyou along the Memorial Hwy Mt. Shasta Comment
  UC1212419  Hesperolinon micranthum Herbert L. Mason 1937-5-15 Siskiyou 1 mi s Boulder Creek (between Lemoine and Dunsmuir) Comment
  SEINET10460707  Heterocodon rariflorum Edwin B. Copel 1903-9-6 Copeland 3847 Siskiyou IGERNA, 3800 Comment
  CAS-BOT-BC311090  Heterotheca oregona var. rudis Geo. D. Butler 1909-10-3 976 Siskiyou Near Yreka Comment
  CAS-BOT-BC312298  Heterotheca villosa var. minor Gilbert Muth 1965-8-4 s.n. Siskiyou Near the marble, Marble Valley Comment
  JEPS15404  Heuchera merriamii Douglas Barbe 1955-7-9 159 Siskiyou s shore of Kangaroo Lake; Klamath Mountains, Scott Mountains 1828 Comment
  UC530058  Heuchera merriamii Louis C. Wheeler 1934-8-9 3079 Siskiyou head of Jaynes Canyon; Siskiyou Mts 1920 Comment
  HSC61971  Heuchera merriamii Al Hobart 6 Aug [year missing] Siskiyou Preston Pk. 1982 Comment
  RSA0063200  Heuchera merriamii Louis C. Wheeler 1934-8-2 3012 Siskiyou Head of Jaynes Canyon. Siskiyou Mtns. 2043 Comment
  RSA0066217  Heuchera micrantha var. erubescens Frederick W. Oettinger 1969-8-12 1344 Siskiyou 0.25 mile up from Abbott s Lower Cabin. Salmon Mtns. High Lake Basins in the vicinity of English Peak. Marble Mtn Wilderness Area. 1189 Comment
  CAS-BOT-BC319696  Hieracium albiflorum Alice Eastwood 1921-7-28 10887 Siskiyou Medicine Lake Comment
  CAS-BOT-BC319685  Hieracium albiflorum L. E. Smith 1913-7-6 s.n. Siskiyou North fork Castle Creek Comment
  RSA758219  Hieracium albiflorum R. F. Thorne 1969-8-2 66328 Siskiyou Klamath National Forest, Salmon Mountains, Marble Mountain Wilderness Area, high lake basins in the vicinity of English Peak Comment
  HSC81198  Hieracium bolanderi Thomas W. Nelson, Jane P. Nelson 1980-7-5 5966 Siskiyou Fowler's Campground 1006 Comment
  HSC26909  Hieracium horridum J. P. Smith, J. O. Sawyer 1971-9-17 4773 Siskiyou Slopes above Big Duck Lake Comment
  HSC22200  Hieracium nudicaule J. O. Sawyer 1968-7-9 416 Siskiyou Ridge between Sugar Creek and Duck Lake Creek drainages 2195 Comment
  JEPS94997  Hieracium scouleri Vernon Oswald and Lowell Ahart 1997-7-28 8777 Siskiyou Forest Route 56. 3.7 mi east of Forest Route 49, edge of Burnt Lava Flow Virgin Area at Yellow Jacket Ice Cave. Comment
  CAS-BOT-BC152376  Holodiscus discolor var. discolor Doris K. Kildale 1928-7-2 5412 Siskiyou Salmon Summit via Horse Creek Trail 1981 Comment
  UCD113394  Holodiscus discolor var. glabrescens P. Quentin Tomich 1954-6-26 431 Siskiyou North side of 4 foot vertical wall, Fern Cave, Lava Beds National Monument. Comment
  CAS-BOT-BC150140  Holodiscus microphyllus var. glabrescens Alice Eastwood; John Thomas Howell 1940-6-14 8262 Siskiyou Lava Beds Nat. Mon. near Indian Wells Comment
  CHSC1555  Holodiscus microphyllus var. glabrescens 1936-7-14 Siskiyou Black Butte. 1219 Comment
  RSA597962  Holodiscus microphyllus var. microphyllus Louis C. Wheeler 1963-9-3 8340 Siskiyou Siskiyou Mountains. Cyclone Gap chrome mine. Comment
  CAS-BOT-BC388568  Holosteum umbellatum John Thomas Howell; T. C. Fuller; G. D. Barbe 1980-4-28 53372 Siskiyou Grenada 792 Comment
  CAS-BOT-BC284740  Hordeum jubatum Dorothy Parker 1948-7-16 78 Siskiyou In Plowmans Valley, East Fork of Scott River 1188 Comment
  UC1100318  Hordeum jubatum Verne Grant and Irving Schneider 1947-8-26 8302 Siskiyou lower Klamath Lake; lower Klamath Lake Comment
  CDA2189  Hordeum marinum subsp. gussoneanum G. D. Barbe, J. T. Howell, T. C. Fuller 1980-5-2 2782 Siskiyou Yreka. West of Motel 6, south of town, north of Greenhorn Creek Road. Comment
  CAS-BOT-BC143957  Horkelia daucifolia L. B. Kildale 1930-6-1 9725 Siskiyou Salmon River between Oak Bottom & Somes Bar Comment
  CHSC75747  Horkelia daucifolia Vernon H. Oswald; Lowell Ahart 1999-7-5 9807 Siskiyou Gazelle Mtn. on road 41N03 0.2 mi southeast of Gazelle-Callahan Hwy. 1508 Comment
  SEINET3156785  Horkelia daucifolia G. D. Butler 1910-5-4 1272 Siskiyou near Yreka Comment
  UC54352  Horkelia daucifolia H. M. Hall and E. B. Babcock June, 1903 4085 Siskiyou near Edgewood; Sierra Nevada, Mt. Shasta 1158 Comment
  UC796522  Horkelia daucifolia Roxana S. Ferris and Laura Lorraine Jun 12 1948-Jun 16 1948 11709 Siskiyou Schoolhouse Hill Plowmans Valley (Noyes Valley) (e fork of Scott River) Comment
  HSC39327  Horkelia daucifolia var. daucifolia J. P. Smith 1974-5-25 7376 Siskiyou Along Road 8, 2.4 mi. W from its junction with Hwy. 3 1006 Comment
  SEINET10483364  Horkelia fusca subsp. parviflora Mary Susan Taylor 1980-8-18 Taylor 3258 Siskiyou T40N R2E sw sec 30. Shasta-Trinity Natl Forest, Yellow Pine Forest plantation, ca. 50 ft E of Hwy 15, ca. 3 mi N of it jctw ith Hwy 89, ca. 17 mi E of McCloud. With J. Prouty & E. Heinz. Comment
  SD231130  Horkelia hendersonii James R. Shevock, B. Williams. 1987-8-17 11803 Siskiyou Klamath Ranges. Below Dry Lake Mountain Lookout site along forest road 40S01. 2012 Comment
  RSA47608  Horkelia tridentata subsp. flavescens Roxana S. Ferris, Laura Lorraine 1948-6-12 11792 Siskiyou Scott Mountain Road south of Callahan. Comment
  SEINET5327382  Hosackia crassifolia var. crassifolia G. Butler 1910-6-6 1452 Siskiyou Quartz Valley Comment
  UC90395  Hulsea nana Miss Eastwood 1893-7-1 Siskiyou Mt. Shasta Comment
  CDA22258  Humulus lupulus T. C. Fuller 1959-10-21 3155 Siskiyou North limits of Mt. Shasta City. 0 Comment
  SBBG30499  Hydrophyllum fendleri D. Myrick 1968-6-26 2027 Siskiyou upper end of Coffee Crk; Trinity Alps 1463 Comment
  HSC25489  Hydrophyllum occidentale J. P. Smith, J. O. Sawyer, Maralyn O'Meara 1972-7-3 5717 Siskiyou E slope of Kangaroo Mtn., above Toehead Lake. 1890 Comment
  HSC69307  Hydrophyllum occidentale Maralyn A. Renner 1980-7-24 1982 Siskiyou Pacific Crest Trail above Lily Pad Lake. 1799 Comment
  CAS-BOT-BC312847  Hymenoxys lemmonii Alice Eastwood; John Thomas Howell 1936-6-13 2751 Siskiyou 6 miles n. of Weed Comment
  CDA8006  Hymenoxys lemmonii D. Jenott 1972-6-22 Siskiyou Parks Creek, Edgewood. 0 Comment
  HSC68015  Hypericum scouleri J. P. Smith, Steve Selva 1970-7-18 4495 Siskiyou Hanging bog at Kangaroo Lake. 1890 Comment
  HSC93009  Hypericum scouleri Jennifer Whipple 1977-8-6 2200 Siskiyou Dobkins Lake 2058 Comment
  JEPS5829  Idahoa scapigera F. W. Hooper Apr. 1897 Siskiyou Little Shasta Comment
  CAS-BOT-BC206831  Iliamna bakeri L. Constance 1940-7-12 15337 Siskiyou Along Memorial Highway, Mount Shasta. 1524 Comment
  POM301619  Iliamna bakeri Carl B. Wolf 1941-7-26 11073 Siskiyou 10.3 miles NE of Weed along Hwy 97 915 Comment
  JEPS24628  Ipomopsis aggregata Rimo Bacigalupi with Drs. Reino and Aloha Alava 1958-9-1 6781 Siskiyou near beginning of road to Wagon Camp (just off Everitt Memorial Highway, lower slopes of Mt. Shasta); Mt. Shasta 1737 Comment
  RSA79003  Ipomopsis aggregata subsp. formosissima E. K. Balls, P. C. Everett 1952-10-13 18191 Siskiyou Mt. Shasta, 10.2 mi n.e. of town of Mt. Shasta, John Everitt Hwy 1829 Comment
  RSA366802  Iris hartwegii E. Yale Dawson 1948-7-16 5099 -a Siskiyou Grass Lake; Margins of Grass Lake, a drying, vernal lake north of Mount Shasta 1524 Comment
  UC4294  Iris macrosiphon F. W. Morse 1886-1 Siskiyou Mt. Shasta Comment
  SDSU11760  Iris missouriensis D. F. Howe 1972-7-8 4883 Siskiyou Grass Lake, 21 miles north of Weed on #97 1524 Comment
  SEINET10469761  Iris tenuissima Mary Merello 1993-6-22 Merello 694 Siskiyou Shasta National Forest outside of Mt. Shasta City. Along Forest Service Road 26 to Lake Siskiyou. Mixed conifer forest along rocky, gravely slopes of the Sacramento River. 1090 Comment
  RSA136346  Iris tenuissima Lee W. Lenz 1953-5-17 18313 Siskiyou Salmon River, 1 1/4 mi. above junction with Klamath River 177 Comment
  CHSC33174  Isatis tinctoria R. E. Preston 1981-5-2 60 Siskiyou On roadside cuts, ca. 50 m n of Camp Creek, at Irongate Reservoir, ca. 32 km ne of Yreka. 700 Comment
  HSC103028  Isatis tinctoria J. P. Smith 2014-6-7 13886 Siskiyou Yreka 844 Comment
  CAS-BOT-BC88660  Isatis tinctoria T. C. Fuller 1962-6-11 8956 Siskiyou East side of Highway 99 to Black Butte Summit, 4.1 miles south of Weed. Comment
  CAS-BOT-BC88662  Isatis tinctoria Marion Ownbey; Fred G. Meyer 1940-7-7 2208 Siskiyou Soap Ridge Road, southwest of Yreka. Comment
  UC10592  Isatis tinctoria J. H. Gilbert June 1899 Siskiyou Scott Valley Comment
  UCD115198  Isatis tinctoria R. C. Bacigalupi; S. Galen Smith 1957-6-27 5973 Siskiyou Grass Lake, along Highway 97. 1524 Comment
  UCD19434  Isoetes echinospora Charlotte K. Glenn 1967-1 201 Siskiyou Castle Lake. 1584 Comment
  HSC34263  Isoetes occidentalis J. P. Smith, J. O. Sawyer 1973-8-14 7316 Siskiyou Around Cliff Lake 1860 Comment
  CDA8048  Iva axillaris T. C. Fuller 1960-7-26 4879 Siskiyou Sam s Neck, ca. 10 miles southwest of Dorris. 0 Comment
  POM56240  Iva axillaris subsp. robustior Geo D. Butler 1910-9-12 1874 Siskiyou Near Lower Klamath Lake. 1220 Comment
  HSC77295  Juncus articulatus L. P. Janeway 1983-6-25 340 Siskiyou E side of Klamath River, N side of Independence Cr. Br. 290 Comment
  JEPS63826  Juncus balticus B. C. Goldsmith 1916-8-21 16 Siskiyou Gazelle Shasta Valley Comment
  RSA15459  Juncus bufonius var. bufonius Carl B. Wolf 1927-8-26 1088 Siskiyou Klamath River, 14 miles above Happy Camp. Comment
  CHSC40147  Juncus effusus subsp. pacificus L. P. Janeway 1983-7-2 363 Siskiyou On se side of Klamath R ca 6 mi e on China Cr Rd from Happy Camp. Ca 1/2 m from water's edge. 335 Comment
  JEPS66991  Juncus ensifolius Geo. D. Butler 1910-6-21 1596 Siskiyou Yreka Creek Comment
  JEPS84100  Juncus ensifolius L. R. Heckard with S. D'Alcamo, J. Hickman 1986-7-16 6376 Siskiyou ca 7 mi nne Seiad Valley (w of Cook and Green Pass, ca 1.5 mi e of Red Butte summit) 1900 Comment
  HSC36556  Juncus exiguus J. O. Sawyer 1969-6-12 914 Siskiyou Along C.C.C. road just S of Sugar Creek 1463 Comment
  UC1538957  Juncus howellii W. J. Ferlatte 1987-7-7 2109 Siskiyou ca 1.6 mi e McCloud River R.R. (U.S.F.S. Rd 31); Bear Springs Area, Shasta Quad. 1508 Comment
  HSC61161  Juncus mertensianus Al Hobart 1967-8-8 Siskiyou El Capitan Comment
  HSC69348  Juncus mertensianus Maralyn A. Renner 1980-8-21 2588 Siskiyou Kidd Creek 2043 Comment
  UC70440  Juncus mertensianus Milo S. Baker 1899-8-1 Siskiyou e slope Mt. Shasta; Ash Creek 1828 Comment
  UCD77272  Juncus mertensianus Robert E. Preston 2001-6-23 1611 a Siskiyou Klamath National Forest, n-facing slope of Rainbow Mtn, T42N R1W nw 1/4 of nw 1/4 Section 23 1965 Comment
  HSC71105  Juncus nevadensis var. nevadensis Thomas W. Nelson, Jane Nelson, J. P. Smith 1978-7-24 4511 Siskiyou Along W side of Hwy. 3 just N of Scott Mtn. Summit 1616 Comment
  CHSC40152  Juncus occidentalis L. P. Janeway 1983-7-11 411 Siskiyou Along edge of dirt rd ca 350 m n of West Branch Guard Sta. 670 Comment
  RSA238904  Juncus occidentalis Frederick W. Oettinger 1969-8-24 1526 Siskiyou Mid-way between the English Lake main camp and Sundew Bog due west of the camp. Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1799 Comment
  HSC22106  Juncus orthophyllus J. O. Sawyer 1969-7-26 1577 Siskiyou SE facing slope near Sugar Creek 1700 Comment
  UC167844  Juncus orthophyllus C. B. Bradley 1879-1 Siskiyou Comment
  HSC691  Juncus parryi William J. Ferlatte 1967-8-21 1065 Siskiyou Sawtooth Ridge between Caribou Basin and Little S Fork Lake 2287 Comment
  RSA233666  Juncus parryi Robert F. Thorne, Frederick W. Oettinger 1969-8-10 38981 Siskiyou Mt. Shasta National Forest; S slope of Mt. Shasta. 2378 Comment
  CAS-BOT-BC110154  Juncus regelii Doris K. Kildale 1929-7-20 8705 Siskiyou Raspberry Lake, South Fork of Indian Creek. 1828 Comment
  CAS-BOT-BC81137  Juniperus communis John Thomas Howell 1937-7-24 13394 Siskiyou Caribou Basin, Salmon-Trinity Alps 2286 Comment
  JEPS74637  Juniperus communis Richard McP. Brown 1974-7-27 Siskiyou near shore at southeastern corner Caribou Lake (Trinity Alps, Klamath National Forest); Klamath National Forest, Trinity Alps, Caribou Lake 2087 Comment
  CAS-BOT-BC81238  Juniperus occidentalis F. P. Keen 1929-10-17 s.n. Siskiyou Mayfield Ice Cave near Modoc-Siskiyou County line Comment
  POM21709  Juniperus occidentalis var. occidentalis E. B. Copeland 1903-7-4 3545 Siskiyou Klamathon Comment
  SBBG15946  Kalmia polifolia subsp. polifolia D. Myrick 1961-6-21 308 Siskiyou Deer Camp Rd above Oak Knoll Ranger Station, Klamath River, 19 mi W of Hwy 99 1981 Comment
  RSA21197  Keckiella corymbosa Carl B. Wolf 1937-8-9 9085 Siskiyou Klamath River, 2 mi. above Doolittle Creek. Comment
  JEPS10865  Keckiella lemmonii Geo. D. Butler 1908-8-24 426 Siskiyou Russian Creek 1219 Comment
  UC887149  Keckiella lemmonii Alice Eastwood 1917-9-2 6635 Siskiyou Shasta Springs Comment
  CHSC69091  Kelloggia galioides Vernon H. Oswald; Lowell Ahart 1997-7-28 8795 Siskiyou Southeast of Medicine Lake at Paynes Springs. 1981 Comment
  POM68801  Kelloggia galioides Geo. D. Butler 1910-7-9 1707 Siskiyou Shackleford Creek. 1220 Comment
  UCR244765  Kelloggia galioides K. M. Meyer, A. Townesmith 2007-7-29 171 Siskiyou Shasta-Trinity National Forest; 0.3 mi. on 40N25 Rd., off Siskiyou County Rd. A10/Everitt Memorial Hwy 1805 Comment
  CHSC72235  Kochia scoparia Vernon H. Oswald; Lowelll Ahart 1998-8-16 9634 Siskiyou Hwy. 161 adjacent to a marsh at the Lower Klamath NWR 5.3 mi east of Hwy. 97. 1243 Comment
  CAS-BOT-BC273778  Koeleria pyramidata Geo. D. Butler 1910-7-3 1625 Siskiyou Unspecified 1219 Comment
  HSC29125  Kyhosia bolanderi Frederick W. Oettinger 1968-8-11 484 Siskiyou High Lake Basins near English Peak; Marble Mtn. Wilderness Area: At Tom Taylor Cabin spring. 2043 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
  CAS-BOT-BC340418  Lactuca canadensis Alice Eastwood 1917-9-2 6695 Siskiyou Shasta Springs Comment
  JEPS107664  Lagophylla ramosissima Lowell Ahart, John Dittes 2005-6-9 12016 Siskiyou Pasture field, on the east side of a poor rock fence, about 300 yards east of where cattle water in the Shasta River, about 3/5 mile (air) south of Highway 99/97 Cutoff, about 2 1/2 miles (air) east-southeast of Grenada 774 Comment
  UC673249  Lathyrus lanszwertii var. tracyi Lincoln Constance and Reed C. Rollins 1942-5-12 2898 Siskiyou 2 mi n Somes Bar; North Coast Ranges, Klamath River 182 Comment
  CDA17136  Lathyrus nevadensis G. F. Hrusa 2001-6-6 15850 Siskiyou Siskiyou Mountains; Nr. summit of pass betw. Happy Camp, CA and O'Brien, Oregon at turnoff to Bolan Lake, at Oregon border. 1424 Comment
  UCD106398  Lathyrus nevadensis var. nevadensis Freed W. Hoffman 1948-7-9 2567 Siskiyou 6.5 miles north of West Branch Public Camp, Waldo-Happy Camp Road. Comment
  UC1733731  Lathyrus vestitus Kay H. Beach, Frank Gould 1940-5-15 632 Siskiyou Bull Meadows Comment
  SEINET10449271  Ledum glandulosum var. californicum Mary Susan Taylor 1980-7-8 Taylor 3101 Siskiyou T39N R5W ne sec 24, Dunsmuir quad; Shasta-Trinity Natl Forest; on NW side of Castle Lake, along edge of lake. 1615 Comment
  CHSC72244  Lemna minor Vernon H. Oswald; Lowell Ahart 1998-9-16 9640 Siskiyou Hwy. 161 adjacent to a marsh at the Lower Klamath NWR 5.3 mi east of Hwy. 97. 1243 Comment
  SEINET7042781  Lepidium campestre A. G. Vestal 1955-5-17 s.n. Siskiyou Scott Valley, 0.8 mile north of Etna on route 3. Etna quadrangle UTM Zone 10, 508563mE, 4590750mN. Comment
  SEINET10767893 Image available Lepidium dictyotum var. acutidens Edward L. Greene 1876-4-28 Greene 725 Siskiyou Collected near Yreka. Comment
  JEPS53649  Lepidium montanum A. A. Heller 1905-6-19 8068 Siskiyou Grenada Station Comment
  RSA52437  Lepidium montanum var. canescens Dorothy Parker 1948-6-11 s.n. Siskiyou Yreka. Comment
  UCD115850  Lepidium perfoliatum P. Quentin Tomich 1954-6-26 429 Siskiyou Symbol Bridge, Lava Beds National Monument. 1432 Comment
  SEINET5342023  Lepidium virginicum var. medium G. Butler 1910-6-27 1612 Siskiyou Yreka Creek. Comment
  SDSU3139  Leptodactylon pungens D. F. Howe 1977-7-5 5002 Siskiyou 15 miles SE of Granada. 1219 Comment
  HSC45992  Leptosiphon ciliatus J. P. Smith, Steve Selva 1970-6-16 4002 Siskiyou 5 mi. from Hwy. 3 on Rd. 8 to Sugar Creek. 1189 Comment
  HSC229  Leptosiphon ciliatus William J. Ferlatte 1967-6-27 537 Siskiyou Big Flat, near public campground 1524 Comment
  RSA601533  Leptosiphon filipes L. C. Wheeler 1935-5-4 3455 Siskiyou Siskiyou Mts. 854 Comment
  RSA237980  Leptosiphon harknessii Frederick W. Oettinger 1968-8-8 577 Siskiyou Tobacco Lake meadows. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1890 Comment
  RSA183657  Lesquerella occidentalis Gilbert Muth 1965-8-12 219 Siskiyou Behind Black Mtn, Marble Mtns. Comment
  CAS-BOT-BC341901  Lessingia nemaclada W. R. Dudley 1899-8-23 s.n. Siskiyou Near Callahan's Comment
  UCD134102  Lessingia ramulosa James P. Smith; John Sawyer 1971-9-18 4796 Siskiyou State 3 between Callahan and Etna at turnoff to the Proctor Ranch. Comment
  HSC31990  Leucothoe davisiae Steve Selva, Roger Jensen 1974-8-16 15 Siskiyou W end of Sugar Lake Comment
  HSC18960  Lewisia cotyledon J. O. Sawyer 1969-7-1 979 Siskiyou Above Paynes Lake Creek 1951 Comment
  RSA760545  Lewisia cotyledon R. F. Thorne, Frederick W. Oettinger 1969-8-4 63369 Siskiyou Klamath National Forest, Salmon Mountains, Marble Mountain Wilderness Area, high lake basins in the vicinity of English Peak Comment
  CAS-BOT-BC444054  Lewisia cotyledon var. cotyledon John Thomas Howell 1937-7-24 13438 Siskiyou Caribou Basin, Salmon-Trinity Alps 2286 Comment
  SBBG1936  Lewisia nevadensis H. and M. Dearing 1939-6-5 3559 Siskiyou SE of McCloud 1371 Comment
  UC1090386  Lewisia rediviva Milo S. Baker 1957-6-16 13122 Siskiyou Scott Mt. 1645 Comment
  HSC4449  Lewisia triphylla William J. Ferlatte 1966-6-22 74 Siskiyou Josephine Lake Basin 1677 Comment
  CAS-BOT-BC283811  Leymus cinereus Geo. D. Butler 1910-6-13 1561 Siskiyou Near Yreka Comment
  RSA591654  Leymus condensatus L. C. Wheeler 1934-9-22 3292 Siskiyou Walker, Klamath River; Siskiyou Mts. 518 Comment
  JEPS68580  Leymus triticoides Geo. D. Butler 1909-6-19 838 Siskiyou near Yreka Comment
  HSC94095  Ligusticum apiifolium G. Fred Hrusa 1998-7-5 14689 Siskiyou Bear Creek Rd., 1/2 mi N of Hwy 96 and 10 mi SW of Happy Camp Comment
  JEPS25813  Ligusticum grayi Geo. D. Butler 1908-8-11 459 Siskiyou Shackleford Creek 1219 Comment
  SBBG25867  Ligusticum grayi D. Myrick 1966-8-8 1487 Siskiyou Lake Josephine, Mountain Meadow Ranch, Big Flat 1828 Comment
  UC618606  Ligusticum grayi W. Bridge Cooke 1938-9-8 11655 Siskiyou upper and middle meadows Squaw Creek Heather Meadows (also at Panther Creek, Wagon Camp, etc.); Mt. Shasta, Squaw Creek Heather Meadows Comment
  UC875079  Ligusticum grayi A. A. Heller 1915-8-26 12237 Siskiyou Mt. Eddy 1828 Comment
  RSA211340  Lilium kelleyanum William J. Ferlatte 1966-8-3 280 Siskiyou Josephine Lake basin. Trinity Alps. 1677 Comment
  CAS-BOT-BC509366  Lilium kelleyanum Albert M. Vollmer; Ira L. Wiggins 1940-7-5 7 Siskiyou On bottom of canyon and along banks of Cow Creek about 10 miles NE of Sawyer's Bar, on road to Etna. 975 Comment
  RSA68939  Lilium kelleyanum A. E. Culbertson 1943-7-3 19 Siskiyou Castle Lake, 14 miles s.w. of Mt. Shasta on n. side of a 6600 eastern spur of Trinity Mts.; 2000 above Sacramento R. within 10 air miles of its headwaters to the west. 1657 Comment
  RSA211346  Lilium washingtonianum William J. Ferlatte 1966-8-4 296 Siskiyou Yellow Rose Mine. 1982 Comment
  SEINET3887245  Lilium washingtonianum Alv Dan Youngberg 1964-7-17 86 Siskiyou Humbolt Meridian.; 0 1067 Comment
  HSC45186  Lilium washingtonianum subsp. purpurascens J. O. Sawyer, Ed Cope 1977-6-18 2932 Siskiyou Along Clear Creek Trail between Bear Pen Creek and West Fork. 671 Comment
  UCD168842  Limnanthes alba Peter. F. Zika 2012-5-14 25854 Siskiyou Klamath Range (KR). I-5 southbound, near exit 730 for central Dunsmuir. 750 Comment
  RSA31646  Linanthus pungens subsp. pulchriflorus A. A. Heller 1938-7-12 15254 Siskiyou Sixteen miles north of Weed on U.S. Highway #97. Comment
  CDA6297  Linaria genistifolia subsp. dalmatica T. C. Fuller 1960-6-3 4645 Siskiyou Juniper Lodge, Highway 97, ca. 6 miles south of Macdoel. 0 Comment
  CAS-BOT-BC94950  Linnaea borealis subsp. longiflora R. C. Wenk 2008-7-25 954 Siskiyou National Forest road 41N16, going N from Forest Hwy. 93/Cecilville Road toward Russian Wilderness 1592 Comment
  HSC33739  Linnaea borealis subsp. longiflora Brent Whitely 1975-6-28 94 Siskiyou 915 Comment
  UC535885  Linum lewisii Elmer I. Applegate 1923-8-20 3898 Siskiyou Medicine Lake Comment
  UC618617  Linum lewisii W. Bridge Cooke 1938-7-1 11138 Siskiyou in (chaparral) around Wagon Camp (especially just below it, Mount Shasta); Mount Shasta 1737 Comment
  HSC4906  Listera caurina J. O. Sawyer 1968-7-2 370 Siskiyou Upper drainage of Joe Creek 1677 Comment
  CDA30933  Lithocarpus densiflorus var. densiflorus M. Beyers, G. F. Hrusa 2010-8-18 691 Siskiyou Siskiyou Mountains, Klamath Ranges: O'Brien-Happy Camp Road; 1 mile above road to Kelly Lake, +/- 2 miles above West Branch Campground. 807 Comment
  CAS-BOT-BC36539  Lithocarpus densiflorus var. echinoides W. R. Dudley 1899-8-26 s.n. Siskiyou by trail to Eddy Mountain Comment
  JEPS87855  Lithocarpus densiflorus var. echinoides Vernon H. Oswald and Lowell Ahart 1994-7-11 6408 Siskiyou 1.9 mi sw dam at Lake Siskiyou (Forest Rd 26 (to Mt Shasta)); Lake Siskiyou 1036 Comment
  CDA25412  Lithophragma affine G. D. Barbe, J. T. Howell, T. C. Fuller 1980-4-29 2609 Siskiyou 3 km east of Forest Mountain summit, Highway 3, southwest of Yreka. Comment
  RSA298361  Lithophragma affine subsp. affine J. P. Smith 1973-5-5 6473 Siskiyou Along Cook and Green Pass road. Comment
  HSC91199  Lithophragma glabrum Jennifer Whipple 1976-6-11 964 Siskiyou S face of Mount Eddy draining into the N Fork of the Sacramento River 2195 Comment
  CAS-BOT-BC317333  Lithospermum californicum L. E. Smith 1913-6-29 s.n. Siskiyou Mt. Eddy Comment
  CAS-BOT-BC317335  Lithospermum californicum Lincoln Constance; Reed C. Rollins 1942-5-12 2899 Siskiyou Klamath River 12 miles S of Happy Camp 304 Comment
  CAS-BOT-BC269143  Lolium perenne A. A. Heller 1915-7-18 12125 Siskiyou Metcalf's ranch, northeast base of Mt. Eddy 1188 Comment
  CAS-BOT-BC269145  Lolium perenne A. A. Heller 1921-7-5 13564 Siskiyou At Abrams Lake, near the town of Mt. Shasta Comment
  UC165429  Lomatium californicum Geo. D. Butler 1910-5-18 1359 Siskiyou near Yreka Comment
  UC165961  Lomatium californicum Geo. D. Butler 1909-6-6 799 Siskiyou near Yreka Comment
  CDA38466  Lomatium macrocarpum G. D. Barbe, J. T. Howell, T. C. Fuller 1980-5-21 2787 Siskiyou West of Motel 6, south of town, north of Greenhorn Creek Road, Yreka. Comment
  JEPS116614  Lomatium macrocarpum Julie Kierstead Nelson with Rhonda Posey 2007-6-15 2007 -012 Siskiyou North side of Mt. Shasta, south of Hwy 97, along Forest Service Rd. 42N73 Mt. Shasta (Hotlum Fire area burned in Feb 2006; ca. 4 miles NE towm of Weed.) 1090 Comment
  RSA237415  Lomatium macrocarpum Frederick W. Oettinger 1969-7-10 958 Siskiyou SSW of Upper English Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1921 Comment
  CDA38335  Lomatium nudicaule T. C. Fuller 1958-6-19 1888 Siskiyou Tom Williams property, 4 miles northeast of Montague. 0 Comment
  CHSC193  Lonicera conjugialis V. Holt 1932-7-5 Siskiyou Castle Lke 2133 Comment
  HSC22211  Lonicera conjugialis J. O. Sawyer 1969-7-11 1308 Siskiyou E facing slope above S Sugar Creek. 2012 Comment
  HSC61905  Lonicera conjugialis Ruby Van Deventer 1959-7-9 Siskiyou Poker Flat 1585 Comment
  HSC78379  Lonicera conjugialis L. P. Janeway 1983-8-6 499 Siskiyou Poker Flat 1524 Comment
  JEPS24026  Lonicera conjugialis Rimo Bacigalupi with Drs. Reino and Aloha Alava 1958-9-3 6888 Siskiyou Poker Flat Siskiyou Mountains 1536 Comment
  UC28764  Lonicera conjugialis Edward L. Greene 1870-8-22 1054 Siskiyou Comment
  CAS-BOT-BC240640  Lonicera hispidula D. H. Norris 1970-5-23 12244 Siskiyou Along Klamath River at Ishi Pishi Bridge near Somes Bar Comment
  HSC31963  Lonicera involucrata var. ledebourii Steve Selva, Roger Jensen 1974-8-16 13 Siskiyou N shore of Sugar Lake. Comment
  UC375400  Lotus crassifolius var. crassifolius Geo. D. Butler 1908-6-29 403 Siskiyou upper end of Quartz Valley Quartz Valley Comment
  UC163679  Lotus humistratus Geo. D. Butler 1910-7-3 1623 Siskiyou Goosenest foothills Goosenest 1219 Comment
  RSA406398  Lotus micranthus J. P. Smith 1973-5-5 6535 Siskiyou Scott Bar along the Scott River. Comment
  UC862229  Lotus purshianus var. purshianus A. A. Heller 1916-8-24 12557 Siskiyou near Sisson 1074 Comment
  UC160445  Lotus stipularis var. ottleyi I. J. Condit 1911-7-8 Siskiyou Shasta Retreat 762 Comment
  RSA32901  Lotus unifoliolatus A. A. Heller 1927-8-2 144398 Siskiyou Shasta Valley. Comment
  UC572804  Luetkea pectinata unknown 1937-8-17 9294 Siskiyou Mt. Shasta; The Gate 2590 Comment
  RSA34240  Luina hypoleuca C. B. Wolf 1927-8-27 1138 Siskiyou Mouth of Crawford Creek, Klamath River. Comment
  JEPS85679  Lupinus Geo. D. Butler 1908-6-20 366 Siskiyou near Yreka (Butler's Ranch); near Yreka, Butler's Ranch Comment
  UC725455  Lupinus A. A. Heller 1940-7-25 Siskiyou junction of Horse Camp and Panther Meadow roads on Mt. Shasta Comment
  SD53402  Lupinus Darley F. Howe 1962-8-6 3400 Siskiyou Mt. Shasta 2438 Comment
  SEINET11148965 Image available Lupinus C. P. Smith 1940-1 15305 Siskiyou Along the road in the Box Canyon of the Sacramento near Mount Shasta City. 914 Comment
  LA205031  Lupinus albicaulis Wm. Bridge Cooke; 1938-8-12 11464 Siskiyou Mount Shasta, along the Wagon Camp-Horse Camp Trail 1828 Comment
  POM230566  Lupinus albicaulis var. shastensis L. E. Smith 1913-6-18 375 Siskiyou Road between Sisson and Castle lake. Comment
  POM252844  Lupinus albicaulis var. shastensis A. A. Heller 1938-7-13 15274 Siskiyou On the north outskirts of Weed. Comment
  POM11083  Lupinus albifrons var. eminens Geo. D. Butler 1910-5-2 1268 Siskiyou Around Yreka. Comment
  CAS-BOT-BC196322  Lupinus albifrons var. flumineus D. B. Dunn; B. J. Cox 1971-6-9 17937 Siskiyou 9 mi. N. of Weed, on U.S. Hwy 97, at Whitney Creek 1249 Comment
  SBBG22423  Lupinus andersonii C. B. Hardham 1961-7-3 8067 Siskiyou Scott Mtn, S of Callahan Comment
  SEINET5327649  Lupinus andersonii G. Butler 1910-5-15 1349 Siskiyou Greenhorn Moutains 1067 Comment
  RSA431057  Lupinus andersonii var. andersonii K. Morris, Dun, Kenney, D. I. Morris 1973-5-25 272 Siskiyou 20.7 mi E of McCloud on Hwy 89. Comment
  JEPS91327  Lupinus angustiflorus Dean W. Taylor 1987-6-7 9024 Siskiyou Paynes Springs, Medicine Lake highland 2011 Comment
  UC711890  Lupinus angustiflorus Roxana S. Ferris and Laura Lorraine 1941-8-11 10503 Siskiyou above Medicine Lake (Shasta National Forest); , above Medicine Lake Comment
  UC865249  Lupinus arbustus A. A. Heller 1938-7-12 15260 Siskiyou border of a meadow e Deer Mountain; e of Deer Mountain 1402 Comment
  POM253155  Lupinus arbustus subsp. silvicola A. A. Heller 1938-7-12 15260 Siskiyou East of Deer Mountain. 1402 Comment
  SEINET10484719  Lupinus arbustus subsp. silvicola Donald E. Bright 1962-6-14 Bright 288 Siskiyou Roadside, 2 miles n of weed. Also on sheet acc.# 161224, Rec.# 28189 Comment
  SEINET10871220  Lupinus arbustus subsp. silvicola Charles Piper Smith 1947-5-13 Smith 47276 Siskiyou 6.3 miles e of weed. Hwy 97 Comment
  SDSU4651  Lupinus argenteus D. F. Howe 1964-8-5 3936 Siskiyou 3 miles north of Dorris on # 97. Comment
  SJSU6501  Lupinus argenteus R. W. Trivelpiece 1972-6-18 128 Siskiyou 3 mi W of Klamath R c. 11 mi SW of Happy Camp 853 Comment
  HSC30418  Lupinus breweri var. breweri Frederick W. Oettinger 1968-8-4 397 Siskiyou Salmon Mtns., E of English Peak Lookout. 2210 Comment
  CAS-BOT-BC215172  Lupinus croceus P. Kenney; Conrad; Dunn 1973-6-4 384 A Siskiyou 6.4 miles W of Callahan, along road from Cecilville to Callahan 1737 Comment
  UC146920  Lupinus klamathensis Harley P. Chandler June, 1901 1720 Siskiyou ridges and meadows near Marble Mountain (Shackleford Canyon); North Coast Ranges, near Marble Mountain 1828 Comment
  CAS-BOT-BC202056  Lupinus lapidicola Richard R. Halse 1989-5-6 3817 Siskiyou Along Old Highway 99, 3.2 miles south of Gazelle or 4.2 miles north of its junction with Old Stage Road 888 Comment
  CHSC25080  Lupinus lapidicola D. Parker 1965-8-15 917 Siskiyou Near Syphon Lake, Salmon Mt. 2164 Comment
  NY15921  Lupinus lapidicola A. A. Heller 1920-7-9 13422 Siskiyou Near the little lake above the head of Wagon creek, Mt. Eddy....in the Hudsonian zone 2590.8 Comment
  UC146909  Lupinus latifolius var. viridifolius Harley P. Chandler June, 1901 1710 Siskiyou near Marble Mountain (Shackleford Canyon, ridges and meadows); North Coast Ranges, nr Marble Mountain, Shackleford Canyon 1828 Comment
  UC609361  Lupinus latifolius var. viridifolius Eleanor B. Hart 1938-8-16 894 Siskiyou n end Lower Wright Lake; n end of Lower Wright Lake 2072 Comment
  CAS-BOT-BC8340  Lupinus lelandsmithii L. E. Smith 1913-5-4 253 Siskiyou Hornbrook Comment
  UC338124  Lupinus lepidus var. confertus J. G. Lemmon Siskiyou near Edgwood; near Edgwood Comment
  JEPS105171  Lupinus lepidus var. lobbii Dean W. Taylor 1993-7-30 14021 Siskiyou Highway 3 about 7 miles east of Fort Jones (tributary to Scott River); Klamath National Forest 609 Comment
  JEPS86069  Lupinus lepidus var. sellulus Wayne Roderick 1966-6-26 Siskiyou just e Cook and Green Pass; e of Cook and Green Pass area 1371 Comment
  RSA749105  Lupinus leucophyllus R. Riggins 1993-6-17 1687 Siskiyou Loose gravelly loam along CA 263, ca. 1 mi N jct. CA 96, 0.5 mi. S jct. I5 Comment
  JEPS81649  Lupinus luteolus L. R. Heckard with L. Constance and R. Ornduff 1969-6-24 2309 Siskiyou just ne western part of Iron Gate Reservoir (along road to Copco); ne of the western part of Iron Gate Reservoir 670 Comment
  POM228984  Lupinus nanus var. apricus Louis C. Wheeler 1935-5-18 3499 Siskiyou Siskiyou Mountains; Yreka Creek. 854 Comment
  CAS-BOT-BC383125  Lupinus obtusilobus Andrew Townesmith; Karen M. Meyer 2007-7-30 872 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
  UC1506172  Lupinus obtusilobus Robert T. Clausen and Harold Trapido 1940-7-27 4969 Siskiyou 5 mi nne Mt. Shasta summit (w side of Mountainhouse Creek); Cascade Mtns, Sacramento River Basin, Mt. Shasta 1981 Comment
  RSA123788  Lupinus polyphyllus subsp. polyphyllus Douglas Barbe 1955-7-5 103 Siskiyou 2.5 miles north of Etna on Greeview Rd. 884 Comment
  RSA582454  Lupinus polyphyllus subsp. polyphyllus Louis C. Wheeler 1935-6-13 3572 Siskiyou Mill Creek, Quartz Valley. 884 Comment
  RSA105488  Lupinus sellulus subsp. sellulus Douglas Barbe 1955-7-1 066 Siskiyou 0.05 mile east of Etna at a burned lumber mill. Comment
  UC1483487  Lupinus tracyi Maralyn A. Renner 1980-6-26 1213 Siskiyou se edge Flint Valley; Klamath National Forest, Dillon Mtn. Quad., Flint Valley 1389 Comment
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Oct 13 2011
  CAS-BOT-BC7539  Lupinus ursinus Alice Eastwood 1912-8-30 2018 Siskiyou Mount Eddy Comment
  SEINET4460493 Image available Lupinus viridifolius A. A. Heller 1905-1 7928 Siskiyou Comment
  HSC46056  Luzula comosa Maralyn O'Meara 1974-5-25 419 Siskiyou On Rd. 8, 4.7 mi. W of junction with Hwy. 3 1159 Comment
  UC1265317  Luzula comosa var. laxa Frederick W. Oettinger 1969-8-16 1398 Siskiyou Salmon Mountains. Western Siskiyou County. The High Lake Basins in the Vicinity of English Peak. Marble Mountain Wilderness Area. SW of Wiregrass Meadow below English Lake 1676 Comment
  RSA238891  Luzula comosa var. laxa Frederick W. Oettinger 1969-8-16 1398 Siskiyou SW of Wiregrass Meadow below English Lake. Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1677 Comment
  UC2956  Luzula macrantha Harley P. Chandler June, 1901 1562 Siskiyou North Coast Ranges. Ridges and meadows near Marble Mountain (Klamath River to Marble Mountain) 1828 Comment
  HSC22266  Luzula parviflora J. O. Sawyer 1969-6-12 897 Siskiyou Along CCC rd. just S of Sugar Creek 1463 Comment
  HSC31127  Luzula parviflora J. O. Sawyer 1971-8-19 2454 Siskiyou 2012 Comment
  RSA605981  Luzula parviflora L. C. Wheeler 1934-6-18 2726 Siskiyou Cottonwood Creek, Siskiyou Mts. Mt. Diablo Mer. 1311 Comment
  CDA40732  Lycopus asper T. C. Fuller 1963-8-27 11165 Siskiyou North shore of Lower Klamath Lake, south side of Dorris-Tulelake Road, 12.4 miles west of Hatfield. 0 Comment
  SEINET11805156  Machaeranthera canescens var. shastensis J. P. Kroessig 1977-1 53 Siskiyou along E margin of Everitt Memorial Hwy, between hwy entrance & Penny Pines Plantation, ca 3 km N of 1220 Comment
  SD8618  Madia bolanderi Brandegee Jun 1887 Siskiyou Mt. Shasta Comment
  CAS-BOT-BC342671  Madia citriodora Geo. D. Butler 1910-5-17 1364 Siskiyou Yreka Comment
  JEPS40344  Madia elegans Geo. D. Butler 1909-8-17 450 Siskiyou along creek near Yreka Comment
  CAS-BOT-BC344007  Madia elegans Louis C. Wheeler 1934-6-28 2809 Siskiyou Klamath National Forest. Beaver Creek 914 Comment
  HSC72347  Madia elegans J. P. Smith, Linda M. Barker, J. Cole 1976-7-29 8960 Siskiyou Etna Campground 671 Comment
  SD101077  Madia elegans Darley F. Howe 1977-1 Siskiyou 7.7 miles south of Etna 1000 Comment
  UC165393  Madia elegans Geo. D. Butler 1910-5-23 1400 Siskiyou Humbug Mt. 1066 Comment
  RSA13387  Madia elegans subsp. densifolia L. C. Wheeler 1934-9-18 3280 Siskiyou Klamath River near mouth Beaver Creek, Siskiyou Mts. 549 Comment
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Feb 2 2009
  UC165972  Madia exigua Geo. D. Butler 1910-6-6 1536 Siskiyou Quartz Valley Comment
  RSA28129  Madia minima Elmer I. Applegate 1936-5-18 10319 Siskiyou Bear Paw Cave, Lava Beds National Monument Comment
  RSA165598  Madia minima Clare B. Hardham 1961-6-30 s.n. Siskiyou Siskiyou Mountains:White Mountain 1829 Comment
  UC179495  Madia sativa subsp. dissitiflora A. A. Heller 1914-8-25 11707 Siskiyou Deetz Station near Black Butte; Deetz Station 1158 Comment
  RSA24233  Mahonia aquifolium C. B. Wolf 1940-12-12 9798 Siskiyou Siskiyou Mts. 7 mi. above Oak Knoll ranger station on rd. to Dry Lake Lookout. 1372 Comment
  RSA537395  Mahonia aquifolium W. Wisura, J. Romero 1991-10-17 4595 Siskiyou 1.5 mi up Sugar Creek Rd, N of Callahan. Comment
  HSC18917  Maianthemum racemosum subsp. amplexicaule J. O. Sawyer 1968-6-18 173 Siskiyou Above S Russian Creek on W side. 1463 Comment
  HSC557  Maianthemum racemosum subsp. amplexicaule William J. Ferlatte 1967-6-29 569 Siskiyou Along Yellow Rose Mine Trail 1829 Comment
  RSA120635  Maianthemum racemosum subsp. amplexicaule G. D. Barbe 1955-8-1 323 Siskiyou Klamath Mountains: Summit of Mt. Bolivar 2470 Comment
  CAS-BOT-BC347359  Malacothrix floccifera Roxana S. Ferris; Laura Lorraine 1948-6-12 11756 Siskiyou French Creek Logging Road west of Callahan 1219 Comment
  UC164083  Marah oregana Geo. D. Butler 1909-5-8 731 Siskiyou Klamath River Comment
  CAS-BOT-BC269232  Melica aristata W. B. Cooke; V. G. Cooke 1966-7-17 37251 Siskiyou Widow Springs, Mt. Shasta 1524 Comment
  POM259099  Melica bulbosa C. L. Hitchcock, J. S. Martin 1939-7-9 5311 Siskiyou Between King's Castle and Black Mountains, west side of ridge. 1829 Comment
  SEINET192916 Image available Melica californica L. Constance, RC Rollins 1942-5-14 2934 Siskiyou Shasta River 6 mi N of Yreka Klamath-Siskiyou Region 762 Comment
  UCD77855  Melica stricta Robert E. Preston 2001-6-30 1649 a Siskiyou Klamath National Forest, north slope of Rainbow Mountain, 1889 Comment
  CAS-BOT-BC264199  Melica subulata Alice Eastwood 1921-7-25 10796 Siskiyou Castle Lake Comment
  HSC42951  Melica subulata J. O. Sawyer, K. T. Stillman 1976-7-1 2777 Siskiyou Streamside terraces and lower slopes along the Little N Fork of the Salmon River. 732 Comment
  HSC15008  Melilotus albus D. M. Thomson 1965-7-1 121 Siskiyou Lava Beds National Monument, Cave Loop Dr., near hdq. parking lot Comment
  JEPS63468  Mentha canadensis Geo. D. Butler 1908-8-12 170 Siskiyou L. Eastlick's ranch Yreka (Yreka) Comment
  JEPS63435  Mentha spicata Geo. D. Butler 1908-7-17 178 Siskiyou Butler's Ranch Yreka (Yreka) Comment
  UC164049  Mentzelia dispersa Geo. D. Butler 1908-7-3 1026 Siskiyou Comment
  UC1980551  Mentzelia laevicaulis C. Rose Broome, James L. Reveal, Darin Reveal, Crissie Cagle 1978-8-6 2323 Siskiyou CA highway 96, 0.8 mi. W of Hamburg, at Mill Creek, opposite the highway from the Klamath River. Comment
  UC56720  Micranthes marshallii Harley P. Chandler 1901-6-25 1613 Siskiyou Upper Cottei Valley, near Haypress Mdw; W Siskiyou Co.) near Marbler Mountain Comment
  CAS-BOT-BC429258  Micranthes oregana Elmer I. Applegate 1895-5-29 446 Siskiyou Sisson, west base of Mt. Shasta Comment
  CAS-BOT-BC432853  Micranthes tolmiei Wm. Bridge Cooke 1938-8-22 11556 Siskiyou Mount Shasta. West slope of Shastina. Comment
  CAS-BOT-BC349372  Microseris nutans L. E. Smith 1914-5-5 654 Siskiyou Dunsmuir Comment
  HSC69704  Microseris nutans Maralyn A. Renner 1980-6-26 1262 Siskiyou Klamath National Forest, ridge along FS Rd. 15N01, 1 mi. N of Flint Valley. 1494 Comment
  HSC27506  Microsteris gracilis J. P. Smith, J. O. Sawyer 1972-5-27 5357 Siskiyou Hwy. 3 near the Scott Mtn. Campground on divide between Scott and Trinity Rivers 1601 Comment
  JEPS10547  Mimulus breweri Milo S. Baker 1893-6 28 Siskiyou 6 mi w (below) Bartle's; McCloud River Comment
  RSA237539  Mimulus breweri Frederick W. Oettinger 1967-7-26 186 Siskiyou Stream bank below spring at Tom Taylor Cabin. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2049 Comment
  UC446456  Mimulus guttatus Annie M. Alexander and L. Kellogg 1911-6-13 Siskiyou 6 mi nw Callahan Comment
  RSA126053  Mimulus guttatus I. L. Wiggins 1955-7-22 13444 Siskiyou South Fork of Salmon River, 9.5 miles above Cecilville. 1067 Comment
  CDA41799  Mimulus guttatus subsp. micranthus F. D. Horn 1977-5-17 s.n. Siskiyou Highway 263, Shasta River Canyon, northeast of Yreka. 0 Comment
  JEPS4201  Mimulus layneae A. A. Heller 1938-7-12 15248 Siskiyou 5 mi n Weed (on U. S. Highway #97) 1066 Comment
  UC1063154  Mimulus microphyllus L. Whitney 1934-6-24 7 Siskiyou Tennant Dorris Quadrangle, Antelope Creek 1463 Comment
  UC1034588  Mimulus moniliformis Douglas Barbe 1955-7-1 77 Siskiyou 4.5 mi s Etna (on the Westside Road to Callahan at the French Creek bridge); Klamath Mountains 853 Comment
  RSA447997  Mimulus moschatus M. B. Dunkle 1944-7-1 9061 Siskiyou Smoky Crk., Siskiyou Natl' Forest. Comment
  SFV3392  Mimulus moschatus J. M. Tucker, L. K. Mann 1963-7-4 3690 Siskiyou Beside road from Etna to Sawyer's Bar, about 4.7 miles (by road) from southwest Etna. Comment
  RSA68877  Mimulus moschatus var. moniliformis A. E. Culbertson 1943-7-1 79 Siskiyou Castle Lake, in a north facing cirque with an abrupt 1000' backwall; 14 miles S.W. of Mt. Shasta on N. side of a 6600' eastern spur of Trinity Mts.; 2000' above Sacramento R. within 10 airmiles of its headwaters to the west. Comment
  UCD77261  Mimulus nanus var. jepsonii Robert E. Preston 2002-6-21 1873 Siskiyou Klamath National Forest, Rainbow Mountain, S slope, N of Trout Creek 1709 Comment
  RSA535614  Mimulus nanus var. jepsonii David M. Thompson 1988-6-4 932 Siskiyou 8 mile E of McCloud along Hwy 89, SW corner of jct of Bigelow Meadows Road and Hwy 89. Oposite Hwy 89 from USFS Road 40N16, 2.4 miles W of turnoff for Cattle Camp (Cattle Camp Road) 2 miles W of USFS Ash Creek Station. 1098 Comment
  HSC444  Mimulus nanus var. nanus William J. Ferlatte 1966-6-23 137 Siskiyou Along Yellow Rose Mine Trail 1829 Comment
  JEPS84010  Mimulus primuloides L. R. Heckard with J. Hickman et al. 1986-7-17 6503 Siskiyou e Condrey Mt.; Alex Hole 1950 Comment
  JEPS84016  Mimulus primuloides subsp. linearifolius L. R. Heckard with J. Hickman et al. 1986-7-17 6480 Siskiyou 0.2 mi w Cook and Green Pass 1540 Comment
  HSC434  Mimulus tilingii William J. Ferlatte 1967-7-26 756 Siskiyou Caribou Basin, Sawtooth Ridge, steep, N-facing slope 2043 Comment
  CAS-BOT-BC388887  Minuartia douglasii Geo. D. Butler 1910-5-16 1351 Siskiyou Yreka Comment
  HSC34012  Minuartia douglasii J. P. Smith 1974-5-25 7511 Siskiyou Along Rd. 8, 2.4 mi. W of its junction with Hwy. 3 976 Comment
  CAS-BOT-BC94415  Minuartia nuttallii R. C. Wenk 2005-7-15 228 Siskiyou Trinity Alps, above South Fork of the Salmon River, along the Yellow Rose Mine trail. Top of pass, right side of path, 2133 Comment
  SFV1205  Minuartia nuttallii subsp. gracilis D. Parker 1953-8-3 155 Siskiyou Above cabin Meadow Creek, near Cory Peak. 1982 Comment
  RSA120683  Minuartia nuttallii subsp. gregaria S. S. Tillett 1956-7-9 633 Siskiyou Scott Mtn, Siskiyou Trinity County line, 8 miles SE of Callahan. 2073 Comment
  UC852385  Minuartia nuttallii subsp. gregaria Alice Eastwood 1912-8-30 2017 Siskiyou Mount Eddy Comment
  POM229186  Mirabilis greenei Louis C. Wheeler 1935-7-17 3667 Siskiyou Scott Valley, near Fort Jones, Mouth Indian Creek 854 Comment
  HSC37770  Mirabilis greenei John Rehling 1976-5-29 403 Siskiyou NW of Callahan about 200 yards off Hwy. 3 Comment
  SEINET8544887  Mirabilis greenei G. D. Butler 1910-5-11 1334 Siskiyou Shasta Valley. Comment
  HSC61890  Mitella pentandra Ruby Van Deventer 1959-7-9 Siskiyou Poker Flat 1585 Comment
  JEPS82467  Mitella pentandra Gilbert Muth 1966-7-8 375 Siskiyou Marble Valley Meadow Marble Mt. Wilderness Area 1792 Comment
  CAS-BOT-BC433071  Mitella trifida Harley P. Chandler 1901-6-1 1555 a Siskiyou North Coast Ranges. Near Marble Mountain 1828 Comment
  UC1408866  Mitella trifida Frederick W. Oettinger 1969-9-4 1661 Siskiyou Tom's Lake Basin Salmon Mountains, Marble Mountain Wilderness Area, Vicinity (n side, w Siskiyou Co.) 2103 Comment
  RSA468284  Mitella trifida M. B. Dunkle 1944-6-25 9011 Siskiyou Siskiyou National Forest. 1677 Comment
  UC637081  Moehringia macrophylla Edward Lee 1934-8-13 1081 Siskiyou Happy Camp to Waldo (Oregon) road (watershed of West Branch of Indian Creek, Klamath National Forest); Klamath National Forest, watershed of West Branch Indian Cre 1463 Comment
  CDA24065  Moehringia macrophylla Don Shaw 1980-5-16 Siskiyou McNeil Creek near Forks of Salmon. 0 Comment
  CDA30920  Mollugo verticillata M. Beyers, G. F. Hrusa 2010-8-18 696 Siskiyou Highway 96; Sluice Box Klamath River Access. 556 Comment
  SFV3187  Monardella odoratissima J. M. Tucker 1963-8-19 3785 Siskiyou Klamath Mountains Marble Mountain Wilderness Area. Headwaters of Canyon Creek at the east base of Marble Mountain. 1921 Comment
  SEINET8732860 Image available Monardella odoratissima Lewis S. Rose 1937-1 37587 Siskiyou S. slope of Mt. Shasta. Alt. 5800 ft. 1768 Comment
  CAS-BOT-BC222177  Monardella odoratissima subsp. pallida Doris K. Kildale 1929-8-24 9107 Siskiyou Rattlesnake Meadow, Preston Peak 1676 Comment
  CHSC4551  Monardella odoratissima subsp. pallida J. E. Bowlin 1967-7-18 66 Siskiyou On bank beside the road, ca. 1.5 mi w of Mount Shasta Ski Bowl. 2286 Comment
  JEPS80574  Monardella odoratissima subsp. pallida Gilbert Muth 1965-8-3 154 Siskiyou Marble Valley Marble Mt. Wilderness Area 1792 Comment
  UC1483504  Monardella odoratissima subsp. pallida J. Sawyer and J. Cole 1980-7-21 3836 Siskiyou North of FS Road 44N01 near intersection with road to Lava Camp; Klamath National Forest, Medicine Make Quad. 1676 Comment
  RSA183663  Monardella odoratissima subsp. pallida Gilbert Muth 1965-8-3 154 Siskiyou Dry hillside in Marble Valley, Marble Mtns. Comment
  CAS-BOT-BC26176  Monardella ovata H. E. Brown 1897-6-1 381 Siskiyou near Sisson 1082 Comment
  CAS-BOT-BC220227  Monardella sheltonii Annetta Carter 1934-8-12 695 Siskiyou North side of Klamath River near mouth of Walker Creek (east end of Seiad Valley) 426 Comment
  SEINET10829416  Monardella siskiyouensis A. Graff 1993-7-24 Graff 355 Siskiyou Klamath National Forest. Hwy. 96, .45-2.8 miles east from junction with Hwy. 263, on right roadside. Infrequent on bare serpentine. End of bloom. Comment
  HSC40880  Monotropa hypopitys J. O. Sawyer 1973-7-18 2549 Siskiyou Hamilton Camp Comment
  POM101965  Montia dichotoma Geo. D. Butler 1909-3-23 677 Siskiyou Flats, Oro[ ]. Comment
  CAS-BOT-BC445110  Montia linearis L. E. Smith 1913-4-22 94 Siskiyou Yreka Comment
  SJSU6510  Montia parvifolia Trivelpiece 1972-6-15 117 Siskiyou Vann Cr near Bear Peak c. 15 mi SW of Happy Camp 1280 Comment
  UC454265  Montia parvifolia I. J. Condit 1911-7-13 Siskiyou Shasta Retreat, Cal. Comment
  UCD101765  Montia parvifolia J. P. Smith; Steve Selva 1970-6-16 4056 Siskiyou 8 milse west of Etna on road to Sawyers Bar. 1371 Comment
  UC375306  Morus alba Geo. D. Butler 1910-6-1 1553 Siskiyou Yreka Comment
  CAS-BOT-BC262613  Muhlenbergia andina K. T. Stillman 1976-9-10 507 Siskiyou Marble Mountain Wilderness Area. Up across Marble on east side of Black Mtn. 2103 Comment
  HSC39859  Muhlenbergia asperifolia J. P. Smith, Steve Selva 1970-8-9 4582 Siskiyou In potato fields W of Macdoel. Comment
  CAS-BOT-BC267044  Muhlenbergia filiformis John Thomas Howell 1939-8-9 15211 Siskiyou Sky High Valley, Marble Mountains 1828 Comment
  CAS-BOT-BC267053  Muhlenbergia filiformis Arthur Menzies 1962-6-21 s.n. Siskiyou Morgan Meadows, base of Mount Eddy 1706 Comment
  RSA239106  Muhlenbergia filiformis Frederick W. Oettinger 1968-8-22 596 Siskiyou Ridge between Diamond Lake and English Peak. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2195 Comment
  HSC22229  Muhlenbergia montana J. O. Sawyer 1969-8-1 1690 Siskiyou SE facing slope above Duck Lake Creek 1951 Comment
  RSA256592  Myosotis discolor J. P. Smith 1974-5-25 7478 Siskiyou Along road 8, 4.7 mi. west of its junction with State Route 3. 1159 Comment
  HSC67585  Myriophyllum sibiricum J. P. Smith, Steve Selva 1970-8-8 4553 Siskiyou Juanita Lake Comment
  RSA795334  Myriophyllum sibiricum L. Ahart, John Dittes 2010-7-30 16941 Siskiyou Along the west edge of the Shasta River, about 30 yards northwest of the East Louie Road Bridge, Shasta Big Springs Ranch, 1.6 air miles southwest of Big Springs Lake, 4.6 air miles northwest of Dwinnel Dam, 5.7 air miles southeast of Grenada. 717 Comment
  SBBG243  Myriopteris gracillima H. and M. Dearing 1939-7-1 3790 Siskiyou Salmon Mtn 1828 Comment
  UC1265375  Najas flexilis F. W. Oettinger 1969-8-23 1511 Siskiyou Salmon Mountains, Smith Lake, western Siskiyou County Smith Lake; Salmon Mountains, Smith Lake 1417 Comment
  JEPS3050 Image available Nama densa John G. Lemmon 1889-6-28 Siskiyou near Edgewood; Shasta Valley; near Edgewood, Shasta Valley Comment
  CHSC26189  Nama lobbii J. P. Kroessig 1977-8-5 56 Siskiyou Ca 11 km e on Everitt Memorial Hwy, ca 13 km ssw of Mt. Shasta Peak. 1640 Comment
  CHSC96709  Narthecium californicum Gordon Leppig 1998-8-14 1011 Siskiyou Klamath National Forest, Russian Wilderness, Little Duck Lake Fen. Subalpine fen in cirque west of Little Duck Lake. NAD 27 UTM Zone 10, 503813E, 4572466N. 2200 Comment
  HSC34139  Narthecium californicum J. O. Sawyer 1969-8-5 1757 Siskiyou W of Little Duck Lake 2073 Comment
  HSC60809  Navarretia capillaris Ruby Van Deventer 1960-7-7 Siskiyou Bell Echo Camp in Youngs Valley. 1220 Comment
  RSA237999  Navarretia capillaris Frederick W. Oettinger 1969-7-18 1055 Siskiyou Southwest of Upper English Lake, Salmon Mountains. High Lake Basins in the Vicinity of English Peak. Marble Mountain Wilderness Area. 1921 Comment
  SEINET14055717  Navarretia capillaris L. C. Wheeler 1935-7-26 3699 Siskiyou Jaynes Canyon, Siskiyou Mts. 1951 Comment
  HSC82263  Navarretia divaricata Thomas W. Nelson, Jane P. Nelson 1980-7-5 5980 Siskiyou Fowler's Campground 1006 Comment
  UC1409294  Navarretia divaricata Frederick W. Oettinger 1968-8-8 578 Siskiyou Tobacco Lake meadows, vicinity of English Peak, w Siskiyou County Salmon Mountains, Marble Mountain Wildeness Area 1889 Comment
  RSA26220  Navarretia divaricata J. T. Howell 1937-7-27 13572 Siskiyou Salmon River near Big Flat 1524 Comment
  JEPS101669  Navarretia heterandra Dean W. Taylor 1999-6-9 17244 Siskiyou Agate Flat, 0.3 miles S of Oregon State Line 1005 Comment
  JEPS19788  Navarretia intertexta Rimo Bacigalupi with S. Galen Smith 1957-6-26 5933 Siskiyou 2.5 mi nw Weed (close to U.S. Highway 99) 1005 Comment
  UC52519  Navarretia intertexta Geo. B. Grant Sep 1902 5073 Siskiyou Sisson Mount Shasta 914 Comment
  UC201125  Navarretia sinistra Dr. E. B. Copeland 1903-7-8 3560 Siskiyou Klamathon Comment
  UC1560413  Nemophila parviflora E. Joyal and D. Mehlman 1988-6-25 1273 Siskiyou Happy Camp to Takilma road (at turn-off to Bolan Lake); , Happy Camp-Takilma Road 1524 Comment
  RSA47797  Nemophila parviflora var. parviflora Roxana S. Ferris, Laura Lorraine 1948-6-12 11739 Siskiyou French Creek logging road west of Callahan. 1067 Comment
  JEPS12283  Nicotiana attenuata Geo. D. Butler 1908-7-13 19 Siskiyou near Yreka (Butler's ranch) Comment
  JEPS107919  Nitrophila occidentalis Lowell Ahart, John Dittes 2005-6-9 12005 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
  RSA120901  Noccaea Milo S. Baker 1957-6-16 13140 Siskiyou Scott Mountains Comment
  RSA47647  Noccaea Roxana S. Ferris, Laura Lorraine 11714 Siskiyou Schoolhouse Hill, Plowman s Valley (Noyes Valley), east fork of Scott River. Comment
  CAS-BOT-BC60585  Noccaea fendleri subsp. glauca Jean Langenheim 1957-5-19 4344 Siskiyou At intersection of Miner's Creek road and Tiger Creek road. Comment
  UC2013020  Noccaea fendleri subsp. glauca Barbara Ertter 1990-7-14 9337 Siskiyou Wagon Creek on E side of Mt. Eddy, ca. 4 air miles W of Mt. Shasta City. Comment
  CAS-BOT-BC60578  Noccaea fendleri subsp. glauca W. R. Dudley 1893-6-20 s.n. Siskiyou Along upper part of Castle Lake Trail near Mount Shasta. Comment
  HSC81566  Noccaea fendleri subsp. glauca Thomas W. Nelson, Jane P. Nelson 1980-7-17 6095 Siskiyou Along FS Rd. 17, 0.5 mi. N of summit at county line 2073 Comment
  CDA9698  Nothochelone nemorosa D. G. Kelch 2007-7-25 7 .495 Siskiyou Indian Creek Rd., just S of Greyback Summit. Comment
  HSC19125  Nothochelone nemorosa J. O. Sawyer 1969-8-18 1979 Siskiyou S of S Sugar Lake 2104 Comment
  HSC19138  Nothochelone nemorosa J. O. Sawyer 1969-8-4 1849 Siskiyou S of Sugar Lake 2134 Comment
  HSC61504  Nothochelone nemorosa Ruby Van Deventer 1939-7-18 Siskiyou Kelley Lake and Kelley Lake Trail Comment
  UC164292  Nothochelone nemorosa Geo. D. Butler 1908-8-8 427 Siskiyou at head of West Fork Wooley Creek, s of lake West Fork Wooley Creek Comment
  RSA183715  Nothochelone nemorosa Gilbert Muth 1965-7-30 139 Siskiyou Marble Mts. Marble Valley. At edge of forest. Comment
  RSA238826  Nothochelone nemorosa Frederick W. Oettinger 1968-8-5 408 Siskiyou North of English Peak, leading down to Upper English Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1951 Comment
  UCD110192  Notholithocarpus densiflorus AT Leiser 1973-3-22 s.n. Siskiyou Dunsmuir. Comment
  CHSC1156  Oenothera elata subsp. hirsutissima W. Gorsuch 1935-7-21 Siskiyou Along highway near Mt. Shasta City. 1097 Comment
  SEINET13694636 Image available Onopordum tauricum T. C. Fuller 1960-4-26 s.n. Siskiyou Dorris Comment
  CAS-BOT-BC355594  Oreostemma alpigenum var. andersonii A. A. Heller 1915-8-26 12225 Siskiyou Heather Meadow near the head of Wagon Creek Canon [Canyon], Mt. Eddy 2590 Comment
  JEPS89441  Oreostemma alpigenum var. andersonii Dean W. Taylor 1992-9-18 13230 Siskiyou 0.5 m below Gumboot Lake (North Coast Ranges, Gumboot Creek, watershed South Fork Sacramento River); North Coast Ranges, Gumboot Creek 1844 Comment
  JEPS79774  Orobanche corymbosa subsp. mutabilis L. R. Heckard 1967-8-14 1728 Siskiyou Just east of U.S. 97, 2 miles north of Deer Mt. Lodge (19 miles north of Weed). Comment
  CAS-BOT-BC458073  Orthilia secunda Edna Kelsey 1961-8-1 s.n. Siskiyou Cuddyhi Lake, Marble Mts. Comment
  CAS-BOT-BC458075  Orthilia secunda Annie M. Alexander; Louise Kellogg 1949-7-28 5877 Siskiyou Marble Mountains: Sky High Valley 1767 Comment
  CAS-BOT-BC458081  Orthilia secunda W. R. Dudley 1899-8-24 s.n. Siskiyou Craggy Peak at Spring Comment
  CAS-BOT-BC266620  Orthocarpus cuspidatus C. G. Pringle 1882-9-1 s.n. Siskiyou Mountains about the headwaters of the Sacramento River 2133 Comment
  UC1096815  Orthocarpus cuspidatus subsp. copelandii Barbe 1957-7-13 383 Siskiyou along entrance road to Big Flat Public Camp Big Flat Public Camp; Klamath National Forest, Big Flat Public Camp 1524 Comment
  UC1409423  Orthocarpus cuspidatus subsp. copelandii Frederick W. Oettinger and R. F. Thorne 1969-8-6 1295 Siskiyou (high lake basins in vicinity of English Peak) English Lake Region; Salmon Mountains, Marble Mountain Wilderness Area 1828 Comment
  UCD123234  Orthocarpus cuspidatus subsp. copelandii J. M. Tucker; L. K Mann 1963-8-17 3741 Siskiyou beside trail from Red Rock Valley to top of ridge to south, and near top of ridge, Marble Mountain Wilderness Area. 1859 Comment
  UCD123245  Orthocarpus tenuifolius A. H. Murphy 1956-8-14 56 G Siskiyou Klamath National Forest, pass on trail west of Marshy Lake. 2133 Comment
  JEPS82453  Osmorhiza berteroi Gilbert Muth 1966-7-14 396 Siskiyou trail to Black Mountain; Marble Mt. Wilderness Area 1798 Comment
  JEPS15935  Osmorhiza occidentalis Geo. D. Butler 1908-7-20 455 Siskiyou near Yreka (head of gulch); Long Gulch Comment
  CAS-BOT-BC413218  Oxyria digyna Annie M. Alexander; Louise Kellogg 1949-7-28 5888 Siskiyou Sky High Valley, Marble Mountains 1767 Comment
  UC618856  Oxyria digyna W. Bridge Cooke 1938-9-8 11651 Siskiyou n side Red Butte; Mount Shasta, n side of Red Butte Comment
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Nov 6 2009
  UCD77896  Oxyria digyna Robert E. Preston 2002-7-14 1934 Siskiyou Klamath National Forest, N slope of Rainbow Mountain 1981 Comment
  JEPS30369  Packera cana Peter H. Raven 1962-5-30 17901 Siskiyou 8.3 mi n Weed (U.S. Highway 97) Comment
  CAS-BOT-BC253768  Panicum capillare R. E. Frenkel 1964-10-2 880 Siskiyou On Everitt Memorial Highway 1.0 mile N of McCloud River RR crossing, near Mount Shasta 1219 Comment
  UCD96007  Papaver rhoeas Beecher Crampton 1969-6-19 8467 Siskiyou Gazelle; Interstate Highway 5 southbound. Comment
  CHSC86258  Parnassia cirrata Martin J. Lenz 2003-9-19 42 Siskiyou Approx. 2000 ft. SW of Panorama Rd. underpass, Dunsmuir. UTM: Zone 10 559966E 4560726N. 779 Comment
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May 8 2007
  HSC2391  Parnassia fimbriata W. J. Ferlatte 1966-8-19 435 Siskiyou Trinity Alps, Kidd Creek Trail. 1890 Comment
  CAS-BOT-BC175611  Parnassia palustris L. E. Smith 1913-9-1 552 Siskiyou Mt. Eddy Comment
  JEPS128828  Parnassia palustris Julie Kierstead Nelson with Martin Lenz 2017-10-3 2017 -056 Siskiyou Eastern Klamath Ranges, The Eddys; Parks Creek Road (County Rd. 17). Comment
  RSA459070  Pastinaca sativa L. C. Wheeler 1935-7-4 3653 Siskiyou Yreka 800 Comment
  UC1408910  Paxistima myrsinites Frederick W. Oettinger 1968-9-3 687 Siskiyou pond above Horse Range Lake (due w. of Horse's Hole); Salmon Mts, High Lake Basins, English Peak vicinity, Marble 1981 Comment
  JEPS68221  Pectocarya pusilla Geo. D. Butler 1910-4-21 1215 Siskiyou Oro Fino Comment
  POM15605  Pedicularis attollens E. B. Copeland 1903-8-18 3901 Siskiyou Mt. Eddy. Comment
  POM43388  Pedicularis aurantiaca Geo. D. Butler 1324 Siskiyou Goosenest foothills. 1524 Comment
  CAS-BOT-BC266636  Pedicularis bracteosa L. R. Short 1933-8-7 113 Siskiyou Marble Mountains, Klamath Forest 1828 Comment
  HSC66236  Pedicularis howellii Maralyn A. Renner 1980-7-23 1879 Siskiyou Pacific Crest Trail, ridge 0.8 mi. E of Cook and Green Pass 1707 Comment
  RSA0018475  Pedicularis howellii James R. Shevock 2012-7-20 40552 Siskiyou Rocky slope above Echo Lake on ridge, east of Red Buttes Wilderness and west of Cook and Green Pass, Applegate River Drainage. 1777 Comment
  UCR37853  Pedicularis racemosa K. T. Stillman 1976-7-21 271 Siskiyou Marble Mountain Wilderness Area 1982 Comment
  HSC72409  Pedicularis racemosa J. P. Smith, Steve Selva 1970-7-27 4513 Siskiyou Gumboot Lake 1768 Comment
  RSA425340  Pedicularis racemosa Louis C. Wheeler 1934-8-2 3021 Siskiyou Siskiyou Mountains: Head of Jaynes Canyon. 2073 Comment
  POM211337  Pellaea brachyptera L. C. Wheeler 1934-8-15 3157 Siskiyou Siskiyou Mountains: East Fork Horse Creek. 1524 Comment
  UC195210  Penstemon Annie M. Alexander and Louise Kellogg 1911-6-28 201 Siskiyou Wildcat Creek Comment
  UC722785  Penstemon anguineus C. L. Hitchcock, J. S. Martin 1939-7-6 5212 Siskiyou open hillside on Takilma-Happy Camp Road 1676 Comment
  NY571152  Penstemon azureus var. azureus R. Van Deventer 1938-7-31 296 Siskiyou Twin Valley Ridge 1280.2 Comment
  JEPS6267  Penstemon cinicola H. W. Furlong Sept 1901 Siskiyou Summit to Ager Comment
  HSC20982  Penstemon deustus D. M. Thomson 1965-6-19 91 Siskiyou Lava Beds National Monument, Captain Jacks Stronghold Comment
  RSA401793A  Penstemon deustus James Payne Smith 1976-5-4 8663 Siskiyou Eastern boundary of Klamath National Forest along State Route 96; rocks above Klamath River. 610 Comment
  RSA79764  Penstemon deustus subsp. heterander F. W. Peirson 1923-7-19 3842 Siskiyou Near Bray. Comment
  JEPS11237  Penstemon deustus var. deustus Geo. D. Butler 1908-7-12 434 Siskiyou w Yreka (Humbug Mt.); , w of Yreka 1219 Comment
  CHSC49026  Penstemon deustus var. pedicellatus Vernon Oswald 1986-5-29 2077 Siskiyou Hwy 97 between Weed and Grass Lake, 8.6 mi ne of Weed. 1066 Comment
  UC1177927  Penstemon deustus var. pedicellatus Francia Chisaki and Gene B. Newcomb 1958-6-22 1155 Siskiyou at base of Black Butte just e Highway #99; at base of Black Butte Comment
  CHSC91350  Penstemon deustus var. suffrutescens Lowell Ahart; John Dittes 2005-6-9 12037 Siskiyou Rocky hill, about 20 yards north of where cattle water in the Shasta River, about 3/5 mile (air) south of Highway 99/97 Cutoff, about 2 1/2 miles (air) east-southeast of Grenada. 774 Comment
  UC1190243  Penstemon deustus var. suffrutescens Ira L. Wiggins 1955-7-29 13583 Siskiyou summit of ridge above Thompson Creek (trail to Caribou Lake); summit of ridge above Thompson Creek 1999 Comment
  CHSC26190  Penstemon gracilentus J. P. Kroessing 1977-8-5 55 Siskiyou At Panther Meadow Campground, ca 14 km e on Everitt Memorial Hwy, and 6 km s of Mt Shasta Peak. 2270 Comment
  HSC67817  Penstemon gracilentus J. O. Sawyer, J. Cole 1980-7-20 3781 Siskiyou S of Grouse Hill, at N base of Badger Peak 2146 Comment
  HSC69264  Penstemon gracilentus J. O. Sawyer, J. Cole 1980-7-20 3737 Siskiyou 2 mi. N of Little Glass Mtn., on road connecting FS Rd. 45N05 with FS Rd. 47N75 1875 Comment
  HSC69372  Penstemon gracilentus J. O. Sawyer, J. Cole 1980-7-19 3675 Siskiyou Near FS Rd. 45N05 2018 Comment
  NY600721  Penstemon gracilentus E. I. Applegate 1923-8-17 3831 Siskiyou About 10 miles northwest of Medicine Lake Comment
  UC690305  Penstemon gracilentus Elmer I. Applegate 1923-8-17 3831 Siskiyou about 10 mi nw Medicine Lake; nw of Medicine Lake Comment
  SEINET12271087  Penstemon gracilentus M. Ownbey, Meyer, F. G. 1940-1 2195 Siskiyou near timber line on E side of Mt. Shasta Comment
  SEINET5328460 Image available Penstemon gracilentus K. Vincent 1987-6-29 4444 Siskiyou Cascade Range, Butte Mtn.; on logged edge of douglas fir forest along Butte Mtn. Rd. ca 3.6 mi W of jct. Meiss Lake Rd., located 7.2 mi W of jct. US 97 on S side of MacDoel, 1829 Comment
  UCD124183  Penstemon gracilentus Dean Wm. Taylor 1975-8-14 5357 Siskiyou Mount Shasta; Shasta Ski area and Green Butte. 2590 Comment
  CHSC71506  Penstemon heterodoxus var. shastensis Vernon H. Oswald; Lowell Ahart 1998-7-21 9329 Siskiyou Hwy. 97 between Weed and Macdoel at the east end of Grass Lake. In meadow between the edge of the woods and the marsh. 1524 Comment
  HSC21016  Penstemon laetus subsp. sagittatus R. C. Wunner 1965-7-13 389 Siskiyou 0.2 mi. on Dragon Head Rd. 1372 Comment
  NY604503  Penstemon laetus var. leptosepalus K. A. Vincent 1987-8-12 4509 Siskiyou Sierra Nevada, Big Bear Flat; along north side of CA 89 just east of Dead Horse Summit, ca. 5.4 miles southeast of Bartle. 1249.7 Comment
  CHSC88779  Penstemon laetus var. sagittatus Jenny Marr 1993-7-1 196 Siskiyou Steamboat Mtn. Shasta Valley Wildlife Area, +/- 20 air miles S of Oregon border and 8 miles E of Yreka. Meadow. 701 Comment
  JEPS104886  Penstemon laetus var. sagittatus Dean W. Taylor 1993-7-30 13993 Siskiyou Bolan Lake Road (Forest Road 4812) about 2 miles east of Indian Creek Road (Forest Road 40S07); Klamath National Forest 1584 Comment
  NY605199  Penstemon neotericus T. W. Nelson 1980-7-5 5977 Siskiyou Shoeinhorse Mountain Quad.; Fowler's Campground. 1005.8 Comment
  RSA401794B  Penstemon newberryi M. B. Dunkle 1945-7-19 9229 Siskiyou Above Sky High Lakes. Klamath National Forest. Marble Mtns. Comment
  SDSU10960  Penstemon newberryi D. F. Howe 1962-8-6 3405 Siskiyou Mt. Shasta, Shasta National Forest. 2438 Comment
  HSC91153  Penstemon newberryi subsp. berryi Jennifer Whipple 1977-7-22 2042 Siskiyou Ridgecrest between Dobkins Lake drainage and Dale Creek drainage 2348 Comment
  CAS-BOT-BC239338  Penstemon newberryi var. berryi Carl B. Wolf 1937-8-8 9082 Siskiyou SW. side of Mt. Shasta, 1/2 mi. S. of trail to Horse Camp 1524 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
  UC1408763  Penstemon newberryi var. berryi Frederick W. Oettinger and R. F. Thorne 1969-8-5 1219 Siskiyou N side of Crapo View Gap, along English Lake trail Salmon Mountains, Western Siskiyou Co., Marble Mountains Wil (vicinity of English Peak) Comment
  UC1585379  Penstemon newberryi var. newberryi R. Raiche 1989-9-7 90321 Siskiyou ca 6 km beyond McBride Spring (Mt. Shasta); , beyond McBride Spring 1385 Comment
  CHSC106848  Penstemon parvulus Barbara Ertter 1991-7-14 9311 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. 1676 Comment
  CHSC99700  Penstemon parvulus L. P. Janeway 2008-7-24 9488 Siskiyou Klamath Ranges. Siskiyou Mountains; crest of the mountain 1.3 air km east of Condrey Mountain. Open ridgetop. 2050 Comment
  UC886815  Penstemon parvulus John Thomas Howell 1939-8-2 14899 Siskiyou Spirit Lake , Spirit Lake (Marble Mts.) 1828 Comment
  HSC19163  Penstemon parvulus J. O. Sawyer 1969-7-1 962 Siskiyou NE facing upper slope above Paynes Lake Creek 1784 Comment
  SEINET10865390  Penstemon parvulus F. Marion Ownbey, Ruth P. Ownbey 1938-7-19 Ownbey 1749 Siskiyou Rocky knoll, 2 1/2 mi nw of dry lake lookout, summit of the siskiyou mtns. Comment
  UC1238905  Penstemon parvulus Freed W. Hoffman 1951-7-21 4058 Siskiyou 1/2 mi e summit (on road from a point 1.1 mi n of Gazelle, w towards Fort Jones, and 9.3 mi on this road); North Coast Ranges, Scarface Mtn., n of Gazelle Comment
  SEINET5323604 Image available Penstemon procerus var. brachyanthus G. Butler 1910-7-10 1739 Siskiyou Shacksleford Creek, upper Campbell Lke 1372 Comment
  JEPS11568  Penstemon procerus var. formosus Annie M. Alexander and Louise Kellogg 1911-8-14 327 Siskiyou Mt. Eddy Comment
  JEPS27132  Penstemon procerus var. formosus Harley P. Chandler June, 1901 1639 Siskiyou near Marble Mountain (North Coast Ranges); , near Marble Mountain 2133 Comment
  HSC70604  Penstemon roezlii J. O. Sawyer, R. J. Cole 1981-7-2 4148 Siskiyou Near Scott Mtn. Campground 1585 Comment
  UC1238953  Penstemon roezlii Freed W. Hoffman 1948-7-7 2407 Siskiyou Scott Mountain road, from summit along Scott Mountain Creek to Trumbull Ranch; North Coast Ranges, Scott Mountain road Comment
  CAS-BOT-BC239414  Penstemon rupicola Lillian Mott 1976-7-4 36 LM76 Siskiyou Lily Pad Lake ca. 3 mi. west of Cook and Green Pass 2011 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
  OBI2045  Penstemon speciosus J. H. Applegarth 1969-6-19 s.n. Siskiyou W of Cow Crk, a tributary of Beaver Crk 1524 Comment
  UCSB21264  Penstemon speciosus Bell, David 1966-6-21 Siskiyou East side of U.S. Hwy. 97, 14 miles NE of Weed 1371 Comment
  SEINET13944951 Image available Perideridia bolanderi L. Constance, T. I. Chuang 1967-1 3799 Siskiyou Summit of road on Scott Mountain at Trinity-Siskiyou County line, alt. 5400 ft 1646 Comment
  JEPS12410  Perideridia howellii Geo. D. Butler 1910-8-13 1831 Siskiyou Quartz Valley Comment
  NY406112  Perideridia leptocarpa L. Constance 1966-6-15 3768 Siskiyou West-facing slope above Trinity River, 5 miles northwest of Cecilville 762.0 Comment
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Mar 2 2015
  CDA38506  Perideridia oregana D. H. Shaw 1982-7-15 s.n. Siskiyou Bogus Creek Area, near Montague. 0 Comment
  SEINET12122372  Perideridia oregana Unknown 1986-1 60331 Siskiyou NE of Weed, between Herd Mt. & Miller Mt., Miller Mt. Rd (45N22) at int with rds to Davis Gulch, 1018 Comment
  HSC17506  Persicaria lapathifolia Geo. D. Butler 1908-7-8 191 Siskiyou Butler's Ranch. near Yreka Comment
  CAS-BOT-BC419260  Persicaria maculosa Louis C. Wheeler 1934-9-20 3286 Siskiyou Klamath National Forest. Lumgrey Creek 670 Comment
  UC1191937  Petroselinum crispum Verne Grant and Irving Schneider 1947-8-25 8279 Siskiyou w side Tule Lake; w side of Tule Lake Comment
  JEPS55973  Phacelia corymbosa John Thomas Howell 1939-8-4 15042 Siskiyou Marble Rim Marble Mts. 1889 Comment
  SEINET5537080  Phacelia corymbosa G. D. Butler 1910-5-4 4280 Siskiyou Dry hill near Yreka Comment
  HSC67656  Phacelia dalesiana J. P. Smith, J. O. Sawyer 1972-5-27 5351 Siskiyou Hwy. 3 near the Scott Mtn. Campground on divide between Scott and Trinity Rivers 1601 Comment
  HSC93605  Phacelia dalesiana Dorothy Parker 1965-6-1 640 Siskiyou Scott Mtn. 1631 Comment
  HSC67835  Phacelia hastata J. O. Sawyer, J. Cole 1980-7-22 3920 Siskiyou NW slopes of Cedar Mtn. 1524 Comment
  UC54516  Phacelia hastata H. M. Hall and E. B. Babcock June, 1903 4111 Siskiyou Ash Creek Sierra Nevada Mountains, Mount Shasta 1524 Comment
  UC642520  Phacelia hastata subsp. compacta W. B. Cooke 1940-8-22 15477 Siskiyou Mud Creek Canyon Mount Shasta (along w rim) Comment
  JEPS2076  Phacelia heterophylla subsp. virgata W. L. Jepson July, 1894 21058 Siskiyou Sisson Comment
  UC1084699  Phacelia heterophylla subsp. virgata Milo S. Baker 1957-6-15 13117 Siskiyou road cut just s Weed; North Coast Ranges Comment
  UC24409  Phacelia heterophylla subsp. virgata T. H. Gilbert June 1899 Siskiyou Scott River Valley Comment
  UC1481196  Phacelia linearis L. Constance 1980-6-3 3897 Siskiyou junction of old Military Pass rd and U. S. Hwy. 97 (n of Mt. Shasta) 1341 Comment
  UC572209  Phacelia linearis M. H. Mitchell 1936-5-14 Siskiyou Captain Jack's Stronghold Modoc Lava Beds Nat'l Monument, Dorris Quadrangle 1554 Comment
  UCSC003070  Phacelia magellanica f. jepsonii Peter Kamb 1948-6-26 1135 Siskiyou Southwest slope of Mt. Shasta above Horse Camp above Horse Camp - Mt. Shasta 671 Comment
  JEPS74473  Phacelia mutabilis W. J. Ferlatte 1966-6-23 146 Siskiyou Big Flat Trinity Alps (wooded area near public camp) 1524 Comment
  UCD77216  Phacelia mutabilis Robert E. Preston 2001-7-21 1741 Siskiyou Klamath National Forest, Rainbow Mountain, T42N R1W sw 1/4 of ne 1/4 Section 22 2255 Comment
  POM73588  Phacelia mutabilis Geo. D. Butler 1908-8-8 408 Siskiyou Marble Mountain. 1829 Comment
  UC923142  Phacelia mutabilis Freed W. Hoffman 1950-7-13 3336 Siskiyou Clear Creek trail from Baldy Lookout North Coast Ranges (w Siskiyou Co.) 1524 Comment
  UC1057506  Phacelia pringlei Milo S. Baker 1957-6-16 13128 Siskiyou Scott Mt. 1767 Comment
  UC1084698  Phacelia pringlei Milo S. Baker 1957-6-16 13152 Siskiyou trip from turn off near Callahan to Scott Mt.; North Coast Ranges Comment
  HSC103014  Phalaris arundinacea J. P. Smith 2014-6-6 13871 Siskiyou Along State Route 96 at the Wingate River Access to the Klamath River 307 Comment
  UC1101559  Phalaris arundinacea Calvin McMillan and Malcolm A. Nobs 1949-6-17 802 Siskiyou Highway 97 Grass Lake Comment
  JEPS73749  Phalaris canariensis George D. Butler 1908-6-25 488 Siskiyou Butler's Ranch near Yreka; Butler's Ranch Comment
  CAS-BOT-BC77426  Philadelphus lewisii Louis C. Wheeler 1934-7-16 2910 Siskiyou Klamath National Forest, Oak Knoll R.S. 670 Comment
  RSA0058048  Philadelphus lewisii Louis C. Wheeler 1934-7-16 2910 Siskiyou Oak Knoll Ranger Station, on Klamath River. 671 Comment
  RSA0058049  Philadelphus lewisii Albert M. Vollmer, L. Beane 1951-6-2 38 Siskiyou Klamath River Hwy, between US 99 and Gottville. Comment
  SEINET3131072  Philadelphus lewisii var. californicus G. D. Butler 1910-6-12 1558 Siskiyou Yueka Creek Comment
  RSA211245  Phleum alpinum William J. Ferlatte 1967-8-23 1110 Siskiyou Kidd Creek Trail. Trinity Alps. 2134 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
  HSC30427  Phlox austromontana Frederick W. Oettinger 1969-7-10 964 Siskiyou Marble Mtn. Wilderness Area, S of Upper English Lake 1921 Comment
  SD76189  Phlox caespitosa Helen V. Witham 1969-10-9 603 Siskiyou On scree at timberline, Mt. Shasta 2400 Comment
  HSC44930  Phlox diffusa J. O. Sawyer 1978-6-21 3278 Siskiyou Marble Mtn. Wilderness Area, along trail N of Clear Lake 1951 Comment
  HSC4820  Phlox diffusa J. O. Sawyer 1968-7-23 622 Siskiyou Along trail from Brown's Valley to Caribou Basin including areas around Snowslide Lake and Caribou Lake. 1829 Comment
  UC609316  Phlox diffusa Eleanor Burks Hart 1938-8-19 901 Siskiyou Upper Wright Lake 2194 Comment
  HSC86537  Phlox diffusa D. K. Imper Jun 1987 Siskiyou 8 mi. E of town of Mt. Shasta, W of Red Butte 2134 Comment
  JEPS124890 Image available Phlox diffusa P. L. Billings 1965-7-25 96 Siskiyou About 100' above end of road on Mt. Shasta. Comment
  JEPS80559  Phlox douglasii subsp. rigida Gilbert Muth 1965-8-6 184 Siskiyou Black Mountain Marble Mt. Wilderness Area (backside, alpine fells fields) 2042 Comment
  JEPS71104  Phlox gracilis George D. Butler 1909-4-18 625 Siskiyou near Yreka Comment
  CDA40293  Phlox gracilis G. D. Barbe, J. T. Howell, T. C. Fuller 1980-4-29 2604 Siskiyou 3 km east of Forest Mountain summit, Highway 3, southwest of Yreka. Comment
  SEINET7042788  Phlox gracilis A. G. Vestal 1955-5-17 s.n. Siskiyou 3 miles northeast of Fort Jones on Moffett Creek Road. Moffett Creek Valley. Indian Creek quadrangle UTM Zone 10, 518135mE, 4608002mN. Comment
  JEPS104868  Phlox hirsuta Dean W. Taylor 1996-5-29 15637 Siskiyou Highway 3 about 4 miles east of southern edge Yreka; Soap Creek Ridge 822 Comment
  HSC39318  Phlox speciosa subsp. nitida J. P. Smith 1974-5-26 7382 Siskiyou Along FS Rd. 47N03 1524 Comment
  UC455645  Phlox speciosa subsp. nitida I. J. Condit 1911-7-5 Siskiyou near Shasta Retreat; Mt. Bradley 1981 Comment
  SEINET7073525  Phlox speciosa subsp. occidentalis A. G. Vestal 1963-6-3 s.n. Siskiyou Lava boulders south of Gazelle. UTM Zone 10, 544048mN, 4590451mN. Coordinate datum: NAD27. Comment
  JEPS84106  Phoenicaulis cheiranthoides L. R. Heckard with J. Hickman et al. 1986-7-17 6545 Siskiyou 1 mi ne of Buckhorn 2100 Comment
  CAS-BOT-BC56496  Phyllodoce empetriformis Douglas Barbe 1955-7-26 286 Siskiyou on the north slope of Scott Mtn. 1981 Comment
  HSC91335  Phyllodoce empetriformis Jennifer Whipple 1976-6-30 1212 Siskiyou Wagon Creek drainage near Wagon Creek 2195 Comment
  HSC96364  Phyllodoce empetriformis Gordon Leppig, Tony LaBanca, Leonel Arguello 1997-6-27 496 Siskiyou Klamath National Forest, Russian Wilderness, Little Duck Lake Fen 2200 Comment
  UC142759  Phyllodoce empetriformis J. W. Congdon 1900-8-13 Siskiyou Mount Shasta Comment
  CDA5887  Physalis longifolia T. C. Fuller 1966-10-6 15246 Siskiyou Clement ranch, 5 miles north of Montague. 0 Comment
  CAS-BOT-BC140599  Physocarpus capitatus Doris K. Kildale 1928-7-25 5911 Siskiyou Klamath River at Mack's Creek near Hamburg Comment
  HSC46767  Physocarpus capitatus William J. Ferlatte 1974-7-13 1513 Siskiyou Big Flat, steep banks of the S Fork of Salmon River just W of USFS campground 1463 Comment
  CAS-BOT-BC140602  Physocarpus capitatus Doris K. Kildale 1929-7-20 8551 Siskiyou Trail to Preston Peak along South Fork Indian Creek 2133 Comment
  JEPS24020  Picea breweriana Rimo Bacigalupi with Drs. Reino and Aloha Alava 1958-9-3 6882 Siskiyou at junction of Poker Flat road and Happy-Camp Takilma road; Siskiyou Mts. 1376 Comment
  UC1409271  Picea breweriana Frederick W. Oettinger 1968-8-13 506 Siskiyou cliffs above Hell Hole (near Hancock Lake, the high lake basins in the vicinity of English Peak); Salmon Mountains, Marble Mountain Wilderness Area 1935 Comment
  UC705881  Picea breweriana Marion Ownbey, Fred G. Meyer 1940-7-6 2205 Siskiyou summit of Cayenne Ridge on w side Marble Mountain, Cayenne Ridge Comment
  UC1267075  Picea engelmannii Dorothy Parker 1962-9-19 Siskiyou Horse Range Creek Siskiyou Mountains, Salmon Mountains 1676 Comment
  UC1271685  Picea engelmannii J. I. Mallory 1962-8-16 237 Siskiyou along creek at s edge Section 21; Quad. 15D3, Clark Creek 1371 Comment
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Jan 9 2014
  HSC77150  Pinguicula macroceras L. P. Janeway 1983-7-24 454 Siskiyou Poker Flat, upper portion of meadow 1524 Comment
  HSC31987  Pinus albicaulis Steve Selva, Roger Jensen 1974-8-25 54 Siskiyou Top of slopes W of Little Duck Lake Comment
  UC572792  Pinus albicaulis unknown 1937-7-28 9163 Siskiyou Mt. Shasta 2590 Comment
  RSA29903  Pinus attenuata L. C. Wheeler 1935-4-14 3418 Siskiyou Siskiyou Mountains: West Fork Seiad Creek. (Mt. Diablo Mer.) 1159 Comment
  HSC69038  Pinus jeffreyi Maralyn A. Renner 1980-8-7 2367 Siskiyou Ridge just E of saddle, S of Rattlesnake Meadow 1799 Comment
  UC401392  Pinus lambertiana Geo. D. Butler 1908-8-5 520 Siskiyou Cold Spring Woolly<?> Creek Comment
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Nov 25 2011
  UCD134636  Pinus lambertiana Robert E. Preston 2002-7-12 1914 Siskiyou Klamath National Forest, S slope of Rainbow Mountain. 1950 Comment
  SEINET11738789  Pinus lambertiana C. G. Pringle 1882-1 s.n. Siskiyou near Mt. Shasta Comment
  HSC69170  Pinus monticola Maralyn A. Renner 1980-8-6 2328 Siskiyou Cracker Meadow 1555 Comment
  JEPS80605  Pityopus californicus Gilbert Muth 1966-7-29 465 Siskiyou by waterfall; Marble Mt. Wilderness Area, Marble Valley 1828 Comment
  HSC46183  Plagiobothrys tenellus Jennifer Whipple 1977-4-30 1873 Siskiyou Scott Valley near Weston Gulch 854 Comment
  POM72155  Plagiobothrys tenellus Geo. D. Butler 1909-4-18 633 Siskiyou Yreka. Comment
  JEPS68263  Plantago eriopoda L. R. Heckard 1972-5-31 2936 Siskiyou about 2 mi e Gazelle (on road to Weed) Comment
  HSC26933  Plantago major J. P. Smith, J. O. Sawyer 1971-9-18 4838 Siskiyou 2 mi. W of the junction of Hwy. 3 and Rd. 8, N of Callahan. 1037 Comment
  UCSB24814  Platanthera dilatata Keefe, Joseph 1967-7-11 Siskiyou Cook and Green Pass; north of Seiad Valley 1341 Comment
  HSC61844  Platanthera dilatata var. leucostachys Ruby Van Deventer 1939-7-18 Siskiyou Poker Flat 1585 Comment
  HSC69212  Platanthera dilatata var. leucostachys Maralyn A. Renner 1980-7-24 2083 Siskiyou Lily Pad Lake 1768 Comment
  HSC76930  Platanthera dilatata var. leucostachys K. T. Stillman 1976-8-7 214 Siskiyou Marble Mtn. Wilderness Area. 1951 Comment
  RSA185840  Platanthera leucostachys John H. Thomas, H. A. Thomas 1954-7-27 4555 Siskiyou Salmon - Trinity Mts. About 6 miles SE of Cecilville. South side of South Fork of Salmon River in vicinity of Blind Horse Creek and area 1 miles to SE. 884 Comment
  RSA382919  Platanthera sparsiflora Louis C. Wheeler 1934-8-10 3092 Siskiyou Siskiyou Mountains, Jaynes Canyon. Mt. Diablo Mer 1372 Comment
  RSA382924  Platanthera sparsiflora M. B. Dunkle 1945-07 9257 Siskiyou Klamath National Forest; Marble Mts. Comment
  RSA249349  Platanthera stricta A. Montalvo, J. D. Akerman 1974-8-17 423 Siskiyou West slope of Preston Peak, 5 miles north of Rattlesnake Meadow 1646 Comment
  HSC67860  Plectritis congesta J. P. Smith, Steve Selva 1970-6-16 4026 Siskiyou 4 mi. from Hwy. 3 on Rd. 8 to Sugar Creek. 1159 Comment
  UCD137537  Plectritis congesta James P. Smith 1973-5-5 6519 Siskiyou Scott Bar, along the Scott River. Comment
  HSC43855  Plectritis macrocera Maralyn O'Meara 1974-5-25 378 Siskiyou Along Rd. 8, 0.9 mi. from its junction with Hwy. 3 976 Comment
  SEINET7096731  Plectritis macrocera A. G. Vestal 1963-6-1 s.n. Siskiyou North of Big Sprins (Mayten) on the Maten Road. NAD27, 41? deg. 36' 05ao, -122?_ 24' 10ao (converted to WGS84 decimal degrees) UTM Zone 10, 54977mE, 4605467mN. Comment
  UC573575  Plectritis macrocera M. H. Mitchell 1936-5-8 2 Siskiyou 2 mi e of Schonchin Butte 1371 Comment
  RSA256703  Plectritis macrocera J. P. Smith 1974-5-25 7470 Siskiyou Along road 8, 4.7 mi. west of its junction with State Route 3. 1159 Comment
  HSC30473  Pleuricospora fimbriolata Frederick W. Oettinger 1969-8-23 1514 Siskiyou Hill above Smith Lake , Salmon Mtns. 1418 Comment
  CAS-BOT-BC261047  Poa Dorothy Parker 1957-7-16 s.n. Siskiyou Cabin Meadow Creek, Scott Mt. Range 1828 Comment
  CAS-BOT-BC254617  Poa X limosa A. A. Heller 1905-6-19 8070 Siskiyou Grenada Station Comment
  CAS-BOT-BC254781  Poa bolanderi Geo. D. Butler 1910-7-12 1750 Siskiyou Shackleford Creek Comment
  HSC92163  Poa bolanderi Jennifer Whipple 1977-7-22 2040 Siskiyou Dale Creek drainage on N face of Mt. Eddy. 2195 Comment
  SEINET10659111  Poa bolanderi George D. Butler 1910-7-12 Butler 1750 Siskiyou Dry shady woods, Shackleford Creek. Comment
  CAS-BOT-BC254993  Poa bulbosa Morris Halperin 1930-7-11 309 Siskiyou Railroad Station, Montague Comment
  CAS-BOT-BC254995  Poa bulbosa Morris Halperin 1930-5-17 303 Siskiyou Yreka 800 Comment
  HSC100199  Poa bulbosa J. P. Smith, J. O. Sawyer & R. J. Cole 2011-5-22 13164 Siskiyou Klamath National Forest, East Fork Campground. 735 Comment
  JEPS73748  Poa compressa George D. Butler 1908-7-1 485 Siskiyou Butler's Ranch near Yreka; Butler's Ranch Comment
  SEINET3123536 Image available Poa compressa P. M. Peterson 2006-1 Siskiyou 6.5 mi SW of Etna on Forest Service Rd1C-01 towards Etna Summit Comment
  CDA18410  Poa pratensis G. D. Barbe, T. C. Fuller & J. T. Howell 1980-4-29 2627 Siskiyou Klamath Ranges; 0.25 miles northeast of Oro Fino. 883 Comment
  HSC92144  Poa pratensis Jennifer Whipple 1976-7-2 1245 Siskiyou Near Durney Lake. 2073 Comment
  CAS-BOT-BC247522  Poa pringlei Copeland 1903-10-7 3792 Siskiyou Mt. Eddy Comment
  SEINET11683992  Poa pringlei C. G. Pringle 1882-1 s.n. Siskiyou about the headwaters of Sacramento River 2438 Comment
  POM198428  Poa secunda Geo D. Butler 1910-7-12 1749 Siskiyou Shackleford Creek 1220 Comment
  SEINET10522722  Poa secunda Billy Joe Cox, David B. Dunn 1971-6-9 Cox 2833 Siskiyou 3 mi N of Weed, on US Hwy 97; S-facing 20.00.00 slope; roadside; in Pinus ponderosa, P. jeffreyi, and Artemisia tridentata, and Purshia. 1128 Comment
  UC1132617  Poa secunda subsp. juncifolia H. S. Yates 1936-6-21 5823 Siskiyou 1 mi se Gazelle; Etna Quadrangle Comment
  UC1540255  Poa secunda subsp. juncifolia Dean Wm. Taylor and Glenn L. Clifton 1987-6-24 9060 Siskiyou Tom Young Flat; McCloud River drainage 1280 Comment
  CHSC98796  Poa secunda subsp. secunda J. K. Nelson; Rhonda Posey, Mary Ellen Colberg, Twyla Miller 2006-5-19 2006 -019 Siskiyou North side of Mt. Shasta, south of Hwy 97; Hotlum Fire area burned in February 2006. 1090 Comment
  UC1037087  Poa secunda subsp. secunda Leo Whitney 1934-6-29 2224 Siskiyou near Tennant (Antelope Creek) 1463 Comment
  UC1132806  Poa secunda subsp. secunda H. S. Yates 1936-6-21 5816 A Siskiyou 6 mi n Gazelle; Yreka Quadrangle Comment
  UC196956  Poa secunda subsp. secunda Geo. D. Butler 1910-4-19 1200 Siskiyou Yreka Comment
  UCD90718  Poa secunda subsp. secunda Geo. D. Butler 1910-4-30 1249 Siskiyou Yreka. Comment
  CAS-BOT-BC244179  Poa trivialis Roxana S. Ferris; Laura Lorraine 1948-6-12 11747 Siskiyou French Creek Logging Road W of Callahan 1219 Comment
  HSC39633  Poa wheeleri J. P. Smith, J. O. Sawyer 1972-6-30 5645 Siskiyou Ridge W of Little Duck Lake. 2378 Comment
  UCD52742  Podagrostis humilis Robert E. Preston 2001-7-20 1683 Siskiyou Klamath National Forest, north slope of Rainbow Mountain, N. of Hemlock Lake. 1712 Comment
  JEPS84252  Polemonium californicum L. R. Heckard with J. Hickman et al. 1986-7-17 6453 Siskiyou ridge e Kangaroo Peak (s of Lily Pad Lake, ca 5 mi n of town of Seiad Valley) 1900 Comment
  NY337051  Polemonium carneum E. L. Greene Siskiyou Yorka Comment
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Oct 30 2020
  HSC45817  Polemonium pulcherrimum J. P. Smith, J. O. Sawyer 1972-6-30 5643 Siskiyou Ridge W of Little Duck Lake. 2378 Comment
  UC602586  Polemonium pulcherrimum W. Bridge Cooke 1938-9-8 11646 Siskiyou Mt. Shasta 2468 Comment
  UCD77930  Polemonium pulcherrimum Robert E. Preston 2002-6-20 1856 Siskiyou Klamath National Forest, Rainbow Mountain. 2177 Comment
  UCR64581  Polemonium pulcherrimum J. P. Smith, J. O. Sawyer 1972-6-30 5642 Siskiyou Ridge west of Little Duck Lake 2378 Comment
  HSC104149  Polemonium pulcherrimum var. pulcherrimum Dana York 2011-9-8 3086 Siskiyou Klamath National Forest, Marble Mountain Wilderness, E slope of Kings Castle 2175 Comment
  UCD37089  Polygala californica Beecher Crampton 1956-8-21 3846 Siskiyou canyon of Sacramento River, just above junction of river's north fork with middle and south forks. 1066 Comment
  SEINET10885041  Polygala cornuta var. cornuta Karen M. Meyer, Andrew Townesmith 2007-7-31 Meyer 177 Siskiyou Shasta-Trinity National Forest. 6.2 on NF Rd. 17, off US Hwy. 97. 1350 Comment
  CAS-BOT-BC414278  Polygonum aviculare subsp. depressum A. A. Heller 1915-8-24 12207 Siskiyou Metcalf's ranch, northeast base of Mt. Eddy 1188 Comment
  JEPS93926  Polygonum bistortoides Vernon H. Oswald and Lowell Ahart 1998-8-3 9436 Siskiyou w of Kangaroo Lake (near the Pacific Crest Trail in the Scott Mountains); Scott Mountains 1981 Comment
  RSA202129  Polygonum davisiae A Cutierrez 1966-8-24 s.n. Siskiyou Mt Shasta Ski Lodge. 2409 Comment
  CAS-BOT-BC414586  Polygonum douglasii Wm. Bridge Cooke 1938-7-29 11422 Siskiyou Mount Shasta. Wagon Camp. Along Wagon Camp Creek Comment
  POM104494  Polygonum douglasii Geo. D. Butler 1910-7-14 1779 Siskiyou Shackleford Creek. 1220 Comment
  UC1107819  Polygonum douglasii L. E. Detling 1950-6-11 6639 Siskiyou Siskiyou Pass 1127 Comment
  UC61060  Polygonum douglasii subsp. douglasii W. A. Setchell, C. C. Dobie 1902-7-26 Siskiyou Sisson Mount Shasta Comment
  UC164463  Polygonum douglasii subsp. spergulariiforme Geo. D. Butler 1908-8-1 188 Siskiyou Forest House Mountain Comment
  UC375153  Polygonum douglasii subsp. spergulariiforme Geo. D. Butler 1909-5-25 719 Siskiyou hill near Yreka Comment
  UC1026908  Polygonum douglasii subsp. spergulariiforme W. Bridge Cooke 1940-6-7 15107 Siskiyou along Pacific Hwy near Black Butte Comment
  CAS-BOT-BC418591  Polygonum minimum Doris K. Kildale 1930-8-24 9051 a Siskiyou Rattlesnake Meadow, trail to Preston Peak 1676 Comment
  RSA12617  Polygonum newberryi Carl B. Wolf 1934-7-5 5968 Siskiyou 3 6/10 mi. from Dry Lake Lookout on rd. to Horse Creek, Siskiyou Mts. 1982 Comment
  JEPS78103  Polygonum newberryi G. W. Zamzow 1972-7-19 92 Siskiyou at timberline 200 m w end of road to Mt. Shasta Summit Ski area 2743 Comment
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May 22 2011
  CHSC86639  Polygonum polygaloides subsp. confertiflorum Jenny Marr 1993-7-1 22 Siskiyou Butte Valley Wildlife Area, +/- 7 air miles NW of the town of MacDoel. Meadow NW of Meiss Lake. 1349 Comment
  CAS-BOT-BC420152  Polygonum ramosissimum subsp. ramosissimum Wm. Bridge Cooke 1940-8-2 15403 Siskiyou Mount Shasta. Along the road in Bear Springs meadow. Comment
  CAS-BOT-BC109289  Polygonum shastense Robert F. Thorne; Fred Oettinger 1969-8-10 38987 Siskiyou Mount Shasta National Forest. South slope of Mount Shasta. Above ski lodge. 2438 Comment
  UC77393  Polygonum shastense Dr. E. B. Copeland 1903-8-16 3892 Siskiyou Mt. Shasta 2438 Comment
  CAS-BOT-BC421084  Polygonum spergulariiforme Lowell Ahart 1983-9-13 4411 Siskiyou Near the highway 96, near the Klamath River, about 5 miles west of Interstate Highway 5 1000 Comment
  RSA144972  Polygonum spergulariiforme E. B. Copeland 1903-7-6 3499 Siskiyou Hornbrook. Comment
  HSC41045  Polystichum imbricans J. O. Sawyer 1970-3-4 2064 Siskiyou N of Idlewild Campground 762 Comment
  HSC79135  Polystichum kruckebergii C. J. Thomas 1983-10-1 84 Siskiyou N side of Black Mtn. in Marble Mtn. Wilderness 1976 Comment
  CAS-BOT-BC72381  Polystichum lemmonii Louis C. Wheeler 1934-8-14 3137 Siskiyou North side White Mt., Siskiyou Mts. 1767 Comment
  HSC26113  Polystichum lemmonii J. P. Smith, J. O. Sawyer, Maralyn O'Meara 1972-7-3 5680 Siskiyou E slope of Kangaroo Mtn. above Toehead Lake. 1890 Comment
  UC812639  Polystichum lemmonii John Thomas Howell 1937-7-29 13668 Siskiyou n side Scott Mt. Comment
  CAS-BOT-BC72393  Polystichum lemmonii Clare B. Hardham 1961-7-1 7991 Siskiyou White Mountain, Siskiyou Mountains Comment
  HSC79128  Polystichum lemmonii C. J. Thomas 1983-10-1 74 Siskiyou Scott Mtn. Summit, 0.5 to 0.75 mi. above Big Carmen Lake 1756 Comment
  RSA249714  Polystichum lemmonii Frederick W. Oettinger 1969-7-25 s.n. Siskiyou Scott Mts., Shasta-Trinity National Forest: c. 15 air miles SW of Weed near Kangaroo Lake Campground in rock crevices of open schistose scree area. Comment
  SFV94  Polystichum lemmonii D. Parker 1960-7-20 s. n. Siskiyou Cory Peak. Alono Cabin, Meadow Creek. 1829 Comment
  CAS-BOT-BC482451  Polystichum lonchitis Dana York 2011-8-13 3060 Siskiyou Marble Mountain Wilderness, Klamath National Forest, slopes of Black Marble Mountain 2110 Comment
  HSC79160  Polystichum lonchitis C. J. Thomas 1983-10-1 89 Siskiyou N side of Black Mtn. in Marble Mtn. Wilderness 1976 Comment
  UC1334021  Polystichum lonchitis Dorothy Parker 336 Siskiyou above Paradise Lake; Siskiyou Mts., Salmon Mt. 1981 Comment
  CAS-BOT-BC72518  Polystichum scopulinum Louis C. Wheeler 1934-8-13 3113 Siskiyou East Fork Horse Creek 1981 Comment
  HSC75254  Polystichum scopulinum J. O. Sawyer, M. Mesler 1980-8-12 4046 Siskiyou Lower W peak of Box Camp Mtn. Comment
  CAS-BOT-BC102399  Populus fremontii Grant 1902-9-15 5257 Siskiyou Dunsmuir 609 Comment
  HSC28674  Populus tremuloides Frederick W. Oettinger 1968-8-17 558 Siskiyou Marble Mtn. Wilderness Area, N of Pine Lake 1860 Comment
  UC164396  Populus trichocarpa Geo. D. Butler 1909-4-26 1072 Siskiyou low ground near Oro Fino; near Oro Fino Comment
  JEPS104988  Porterella carnosula Dean W. Taylor 1996-7-27 15860 Siskiyou Grass Lake (about 15 air miles northeast of Weed); Klamath National Forest 1524 Comment
  SEINET10906094  Porterella carnosula Noel H. Holmgren 1980-7-1 Holmgren 9449 a Siskiyou U.S. Highway 97, 21.4 km (13.3 miles) south-southwest of Macdoel 1524 Comment
  UC164067  Potentilla breweri Geo. D. Butler 1910-6-5 1520 Siskiyou Log Lake Comment
  HSC29384  Potentilla drummondii Frederick W. Oettinger 1969-7-13 1001 Siskiyou High Lake Basins near English Peak: Marble Mtn. Wilderness Area; N of upper English Lake 1951 Comment
  CAS-BOT-BC143263  Potentilla flabellifolia John Thomas Howell 1939-8-9 15230 Siskiyou Ridge south of Marble Valley, Marble Mts. Comment
  HSC69361  Potentilla flabellifolia Maralyn A. Renner 1980-8-19 2487 Siskiyou S side of Caribou Lake 2104 Comment
  JEPS60718  Potentilla flabellifolia Geo. D. Butler 1908-8-8 357 Siskiyou Marble Mountain Valley Camp 1676 Comment
  RSA12583  Potentilla glandulosa subsp. ashlandica Carl B. Wolf 1934-7-6 6003 Siskiyou 4.7 miles from Mt. Shasta City on Wagon Camp Road, SW slope of Mt. Shasta 1220 Comment
  JEPS44224  Potentilla gracilis W. L. Jepson Jul 20 1894-Aug 3 1894 102 p Siskiyou Sisson Comment
  UC70340  Potentilla gracilis T. H. Gilbert Jun 15 1899-Jul 15 1899 Siskiyou Scott River Valley Comment
  CAS-BOT-BC540547  Potentilla gracilis var. fastigiata Wm. Bridge Cooke 1940-6-6 15040 Siskiyou Castle Lake Road west of Shasta Springs 1524 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
  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
  UC545655  Potentilla millefolia Alice Eastwood, John Thomas Howell 1934-4-20 1781 Siskiyou Gazelle Comment
  UCR38390  Potentilla millefolia G. R. Ballmer, G. F. Pratt 1985-6-19 s.n. Siskiyou Trinity Mtns, Gumboot Lake, west of Dunsmuir 1829 Comment
  CHSC71500  Potentilla newberryi Vernon H. Oswald; Lowell Ahart 1998-7-21 9343 Siskiyou Northeast of Weed and east of Grass Lake on the south side of Tennant Rd. 0.2 mi southeast of Old State Hwy. to Bray and on the east side of the intermittent stream draining Dry Lake. 1402 Comment
  HSC18928  Prunella vulgaris subsp. lanceolata J. O. Sawyer 1969-8-5 1966 Siskiyou Along Sugar Creek. 1707 Comment
  UC61041  Prunella vulgaris var. lanceolata W. A. Setchell, C. C. Dobie 1902-7-15 Siskiyou Mount Shasta Sisson; , Sisson Comment
  CAS-BOT-BC158587  Prunus Alice Eastwood 1912-9-3 2081 Siskiyou North Fork, Sisson Comment
  CAS-BOT-BC158244  Prunus emarginata A. M. Vollmer; L. Beane 1951-6-2 68 Siskiyou Road between Streamline Lodge and Deer Camp, north of Klamath River Highway Comment
  POM89362  Prunus emarginata Edward Palmer 1892-7-13 2564 Siskiyou Mount Shasta and vicinity Comment
  UC618731  Prunus emarginata W. Bridge Cooke 1938-6-17 11011 Siskiyou Mount Shasta, Sisson Southern Trail Sisson Southern Trail; Mount Shasta, Sisson Southern Trail 1371 Comment
  UC861016  Prunus emarginata Lewis S. Rose 1937-7-25 37595 Siskiyou Mount Shasta City 1158 Comment
  CAS-BOT-BC154679  Prunus subcordata Lincoln Constance; Reed C. Rollins 1942-5-14 2922 Siskiyou Road to Walker Post Office, 3 miles west of Yreka 1219 Comment
  CAS-BOT-BC151240  Prunus virginiana var. demissa L. B. Kildale 1930-5-31 9795 Siskiyou Island in Klamath River near Hornbrook Comment
  CAS-BOT-BC151248  Prunus virginiana var. demissa C. B. Wolf 1931-9-2 2389 Siskiyou Near Fish Hatchery at Mt. Shasta City (Sisson) along edge of ditch. 1066 Comment
  HSC29409  Prunus virginiana var. demissa Frederick W. Oettinger 1969-7-16 1040 Siskiyou Marble Mtn. Wilderness Area, SE side of Abbotts lake 1860 Comment
  JEPS80667  Pseudognaphalium thermale W. B. and V. G. Cooke 1977-9-22 54838 Siskiyou along logging road to Mud Creek Dam Squaw Valley Creek; Mt. Shasta Comment
  CAS-BOT-BC239813  Pseudoroegneria spicata Wm. Bridge Cooke 1940-6-20 15143 Siskiyou Along the Klamath River Highway west of the Pacific Highway Comment
  CAS-BOT-BC239815  Pseudoroegneria spicata Geo. D. Butler 1909-6-27 848 Siskiyou Bluff of Klamath River Comment
  CAS-BOT-BC94479  Pseudostellaria jamesiana R. C. Wenk 2005-7-19 348 Siskiyou border between Siskiyou and Trinity Counties, National Forest Road 17, parking lot where Pacific Crest Trail crosses 2090 Comment
  RSA572073  Pseudotsuga menziesii L. C. Wheeler 1934-9-4 3243 Siskiyou Bear Creek off west fork of Beaver Creek. 1372 Comment
  NY63871  Pseudotsuga menziesii var. menziesii M. F. Denton 1973-6-30 2969 Siskiyou Klamath National Forest: Young's Valley, ca. 5 miles south of Sanger Lake, on trail up El Capitan 1432.6 Comment
  SEINET10795293 Image available Pseudotsuga taxifolia J. H. Sissons 1879-9-24 Sissons s.n. Siskiyou Comment
  CAS-BOT-BC72685  Pteridium aquilinum H. A. Thomas; J. H. Thomas 1954-7-21 4390 Siskiyou Salmon-Trinity Mts., about 6 miles SE of Cecilville, West side of Rush Creek 1036 Comment
  HSC67724  Pterospora andromedea John S. Palmer 1980-8-12 680 Siskiyou SE of Wards Gap. 1189 Comment
  UC166596  Pterospora andromedea Geo. D. Butler 1910-8-7 1817 Siskiyou Humbug Mountain 1219 Comment
  HSC63299  Pterospora andromedea M. A. Baker 1979-7-31 1095 Siskiyou Head of Tickner Creek on trail to Johnson's Hunting Trail 1400 Comment
  JEPS107958  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-BC147901  Purshia tridentata var. tridentata L. R. Abrams; J. T. Benson 1924-5-9 10173 Siskiyou Near Black Butte Comment
  POM301618  Purshia tridentata var. tridentata Carl B. Wolf 1941-7-26 11076 Siskiyou SW end Little Shasta Valley. 12 miles NE weed on US Hwy 97 at jct with Rd to Montague 915 Comment
  RSA449671  Purshia tridentata var. tridentata E. E. Stanford 1930-6-15 1600 Siskiyou Near Shasta City. Comment
  SBBG27211  Purshia tridentata var. tridentata C. B. Wolf 1941-7-26 Siskiyou SW end of Little Shasta Valley, 12 mi NE of Weed on US Hwy 97 at jct with rd to Montague Comment
  UC454972  Purshia tridentata var. tridentata I. J. Condit 1911-7-22 Siskiyou trail to Horse Camp; Mt. Shasta Comment
  UCD113276  Purshia tridentata var. tridentata K. M. Meyer; A. Townesmith 2007-8-2 184 Siskiyou Shasta-Trinity National Forest. 0.1 mile on Forest Service Road 43N21, 12.5 miles on Highway 97, E side of road. 1218 Comment
  UC1282004  Pycnanthemum californicum Louise Kellogg 1953-8-4 96 Siskiyou near Scott River n Callahan (edge of Scott Valley, Scott Mountains); Scott Mountains, near Scott River Comment
  CAS-BOT-BC460864  Pyrola aphylla Ira L. Wiggins 1955-7-21 13442 Siskiyou Rush Creek Trail, 2 mi. above Mt. View Ranch 1097 Comment
  HSC4789  Pyrola crypta William J. Ferlatte 1966-8-4 320 Siskiyou Big Flat, wooded area near public camp 1524 Comment
  RSA0080484  Pyrola dentata Marion Ownbey, Fred G. Meyer, Findley Ownbey 1940-7-8 2225 Siskiyou Near summit of Siskiyou Mountains, 17 miles north of Happy Camp. Comment
  HSC19203  Pyrola picta J. O. Sawyer 1968-7-2 357 Siskiyou Upper drainage of Joe Creek on steep N facing slopes. 1677 Comment
  UC618900  Pyrola picta W. Bridge Cooke 1938-8-5 11455 Siskiyou Mount Shasta, along the Sisson Southern Trail Mount Shasta; , Sisson Southern Trail 1676 Comment
  UC722480  Pyrola picta C. L. Hitchcock, J. S. Martin 1939-7-8 5301 Siskiyou 15 mi n of Happy Camp (on Happy Camp-Takilma Highway); Happy Camp-Takilma Highway 914 Comment
  SEINET8205865  Pyrola picta R. Waring 1964-8-26 555 Siskiyou Red Butte, on southern boundary of Rogue River Nat'l Forest. 1737 Comment
  CAS-BOT-BC362268  Pyrrocoma carthamoides var. cusickii J. D. Jokerst 1981-8-18 1462 Siskiyou East side of USFS logging road between road and canyon bottom 1249 Comment
  CHSC88104  Pyrrocoma lanceolata Jenny Marr 1993-7-1 114 Siskiyou Butte Valley Wildlife Area, +/- 7 air miles NW of the town of MacDoel. Meadow NW of Meiss Lake. 1349 Comment
  SBBG126113  Pyrrocoma lanceolata var. lanceolata L. Ahart, J. Dittes 2010-7-30 16969 Siskiyou Shasta Big Springs Ranch, 2.6 mi NW of Big Springs Lake, 3.9 mi SE of Grenada, 6.3 mi NW of Dwinnel Dam 778 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
  OBI55526  Pyrrocoma racemosa var. pinetorum David J. Keil 1992-7-21 23519 Siskiyou Klamath NF SE of Callahan on hwy 3, 2.1 mi NW of Scott Mtn summit Comment
  OBI55547  Pyrrocoma racemosa var. pinetorum David J. Keil 1992-7-24 23572 Siskiyou East of McCloud along Hwy 89, 7.7 mi W of Shasta County line. Comment
  CAS-BOT-BC68605  Quercus chrysolepis Dr. A. Kellogg; W. G. W. Harford 1868-9 915 Siskiyou Ukiah Comment
  CAS-BOT-BC68645  Quercus chrysolepis John Thomas Howell 1937-7-26 13543 Siskiyou Caribou Gulch Comment
  CAS-BOT-BC94657  Quercus garryana Louis C. Wheeler 1934-10-7 3312 Siskiyou Siskiyou Mts., Oak Knoll Ranger Station, Klamath River. Dry S slope. 670 Comment
  CAS-BOT-BC94665  Quercus garryana L. R. Abrams 1924-8-7 9895 Siskiyou Klamath River 6 miles below Hornbrook 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
  RSA237383  Quercus garryana var. breweri Frederick W. Oettinger 1968-9-8 792 Siskiyou 0.1 mi due north of English Lake outlet. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1768 Comment
  RSA82773  Quercus garryana var. garryana J. M. Tucker 1948-8-3 1772 Siskiyou Ca. 0.6 mile west of Happy Camp. 335 Comment
  UCD46169  Quercus garryana var. semota Frederick W. Oettinger 1968-8-18 574 Siskiyou The High Lake Basins in the Vicinity of English Peak Marble Mountain Wilderness area. 1920 Comment
  RSA623530  Quercus kelloggii J. M. Tucker 1972-8-8 4244 Siskiyou Marble Mountains, trail from Whiskey Camp to Elk Peak, ca. 2.5 miles west-southwest of Marble Valley Guard Station. 1829 Comment
  UC142612  Quercus kelloggii Dr. E. B. Copeland 1903-7-14 3521 Siskiyou Klamathon Comment
  HSC61936  Quercus sadleriana Ruby Van Deventer 1959-7-10 Siskiyou Poker Flat 1585 Comment
  HSC68384  Quercus sadleriana Maralyn A. Renner 1980-6-26 1204 Siskiyou N edge of Flint Valley 1390 Comment
  HSC69243  Quercus sadleriana Maralyn A. Renner 1980-9-1 2700 Siskiyou S side of Devil's Punchbowl 1829 Comment
  JEPS22242  Quercus sadleriana Rimo Bacigalupi with Drs. Reino and Aloha Alava 1958-9-3 6881 Siskiyou junction of Poker Flat road and Happy Camp-Takilma Road; Siskiyou Mts. 1376 Comment
  JEPS25626  Quercus sadleriana Rimo Bacigalupi with Mr. and Mrs. Van Deventer 1959-7-9 7263 Siskiyou Poker Flat 1536 Comment
  SBBG83415  Quercus sadleriana R. Gankin, H. Brewer, D. Hildreth, K. Milam 1965-8-11 607 Siskiyou Indian Crk Rd, 5.6 mi S of Californica- Oregon state line Comment
  SEINET3136091  Quercus sadleriana S. L. Holloway 1963-10-12 77 Siskiyou Marble Mtn Wilderness Area, jxn Rock Valley trail and Canyon Creek trail; T43 R11W, se corner S7 1341 Comment
  CAS-BOT-BC104623  Quercus vacciniifolia A. A. Heller 1914-8-28 11728 Siskiyou East side of Mt. Eddy 1676 Comment
  CAS-BOT-BC104625  Quercus vacciniifolia Alice Eastwood 1912-8-28 1948 Siskiyou Cantara Comment
  CAS-BOT-BC104639  Quercus vacciniifolia Marion Ownbey; Fred G. Meyer 1940-7-6 2201 Siskiyou Along Cayenne Ridge, Marble Mountain Comment
  HSC74930  Quercus vacciniifolia J. P. Smith, Jennifer Whipple 1978-7-2 9975 Siskiyou Trail from Cook and Green Pass to Copper Butte. 1768 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
  RSA211498  Quercus vacciniifolia William J. Ferlatte 1967-8-17 956 Siskiyou Trinity Alps; Yellow Rose Mine. 1982 Comment
  SBBG113473  Quercus vacciniifolia D. Wilken with E. Painter 2000-8-10 15856 Siskiyou just S of Del Norte and Josephine (OR) county lines, NNE of Little Grayback, near head of Indian Crk, O'Brien-Happy Camp Rd 1500 Comment
  UC164980  Ranunculus aquatilis var. capillaceus Geo. D. Butler 1908-8-10 361 Siskiyou near Log Lake; Shackelford Creek Comment
  UC1023837  Ranunculus aquatilis var. capillaceus Douglas Barbe 1955-6-29 52 Siskiyou 4.1 mi se Etna (on Eastside Rd.); Klamath Mountains 914 Comment
  UC165298  Ranunculus glaberrimus Geo. D. Butler 1910-3-7 1117 Siskiyou Shasta River Canyon Comment
  HSC33982  Ranunculus orthorhynchus var. orthorhynchus J. P. Smith 1974-5-25 7471 Siskiyou Along Rd. 8, 4.7 mi. W of its junction with Hwy. 3 1159 Comment
  HSC598  Ranunculus orthorhynchus var. orthorhynchus William J. Ferlatte 1966-6-23 145 Siskiyou Big Flat, near public camp 1524 Comment
  RSA136573  Rhamnus californica subsp. occidentalis Copeland 1903-9-6 3863 Siskiyou Mt. Eddy Comment
  RSA30439  Rhamnus californica subsp. occidentalis A. A. Heller 1915-8-26 12245 Siskiyou Wagon Creek at the foot of Mt. Eddy. 1128 Comment
  RSA697558  Rhododendron macrophyllum Leo Miller 1938-07 s.n. Siskiyou Siskiyou, Mountains. 915 Comment
  UC163756  Rhus trilobata Geo. D. Butler 1908-7-4 1033 Siskiyou near mouth Shasta River Comment
  UC160397  Ribes I. J. Condit 1911-7-22 Siskiyou Shasta trail 1676 Comment
  CAS-BOT-BC438002  Ribes Doris K. Kildale 1928-8-18 6438 Siskiyou Near head of North Fork of Salmon River at Finley's Upper Camp 1524 Comment
  POM92673  Ribes aureum Geo. D. Butler 1910-6-12 1559 Siskiyou Yreka Creek. Comment
  HSC92861  Ribes binominatum Jennifer Whipple 1978-6-5 2351 Siskiyou Pass between Eddy Creek and Deadfall Creek drainages 2073 Comment
  JEPS48555  Ribes binominatum Hilda W. Grinnell 1935-6-8 Siskiyou head Dogget Creek (Deer Creek Ranger Station); Siskiyou Mts. 1798 Comment
  JEPS43483 Image available Ribes cereum W. L. Jepson 1940-6-27 20036 Siskiyou e slope Mt. Shasta (along the Military Road) 1828 Comment
  CAS-BOT-BC173297  Ribes lacustre D. E. Breedlove 1962-6-10 3270 Siskiyou On bank of Dunn Creek along Indian Creek Road from O'Brien to Happy Camp, 24.6 miles northwest of Happy Camp 1356 Comment
  JEPS49367  Ribes lacustre Geo. D. Butler 1908-8-8 263 Siskiyou near Marble Valley Camp 1676 Comment
  JEPS84054  Ribes lacustre L. R. Heckard with S. D'Alcamo, J. Hickman, S. Winchester 1986-7-16 6352 Siskiyou ca. 1/2 mi se Red Butte (ca. 7 mi nne of Seiad Valley, w of Cook and Green Pass) 1730 Comment
  UC1408860  Ribes lacustre Frederick W. Oettinger 1968-8-6 426 Siskiyou se corner Hancock Lake; Salmon Mountains, Marble Mountains Wilderness Area 1935 Comment
  CAS-BOT-BC173379  Ribes lobbii C. H. M. 1916-9-8 s.n. Siskiyou Black Butte, Calif. Nat'l. Forest Comment
  UCR80296  Ribes lobbii J. P. Smith 1977-5-15 9072 Siskiyou Road leading through International Paper property to the Duck Lakes trailheads 1524 Comment
  RSA0021628  Ribes lobbii J. P. Smith 1974-5-25 7443 Siskiyou Near junction of Road 8 and French Creek Road. 1280 Comment
  JEPS49353  Ribes marshallii W. L. Jepson 1907-7-4 2819 Siskiyou Shackelford Canyon Marble Mt. region Comment
  CAS-BOT-BC219271  Ribes nevadense Ira L. Wiggins 1955-7-25 13508 Siskiyou Ditch head on Rush Creek, Mountain View Ranch 1005 Comment
  HSC32249  Ribes nevadense J. O. Sawyer 1970-6-17 2208 Siskiyou On trail to South Sugar Lake 1829 Comment
  HSC809  Ribes nevadense William J. Ferlatte 1967-7-25 734 Siskiyou Caribou Basin 1982 Comment
  SD76163  Ribes nevadense Helen V. Witham 1969-10-7 548 Siskiyou Northwest face, granite cliffs above Kangaroo Lake, Scott Mts. 2100 Comment
  HSC67806  Ribes roezlii J. O. Sawyer, J. Cole 1980-7-22 3971 Siskiyou NW slopes of Cedar Mtn. 1524 Comment
  UC1034606  Ribes roezlii Douglas Barbe 1955-6-29 44 Siskiyou 2.1 mi e Callahan (on Trinity Center Rd. about 600' beyond the bridge); Klamath Mountains 975 Comment
  UC857963  Ribes roezlii A. A. Heller 1915-7-15 11970 Siskiyou Mt. Eddy 2072 Comment
  CAS-BOT-BC200011  Ribes roezlii var. cruentum Elmer I. Applegate 1935-6-6 9358 Siskiyou North slope of Caldwell Butte, Lava Beds National Monument Comment
  JEPS49235  Ribes roezlii var. cruentum W. L. Jepson 1937-7-30 18544 Siskiyou headwaters Indian Creek (Poker Flat); Siskiyou Mountains 1584 Comment
  UC705902  Ribes roezlii var. cruentum Marion Ownbey, Fred G. Meyer 1940-7-6 2197 Siskiyou s side near summit Cayenne Ridge; Marble Mountain Comment
  UCD78094  Ribes roezlii var. roezlii Robert E. Preston 2001-6-23 1570 Siskiyou Klamath National Forest, n slope of Rainbow Mtn, at Hemlock Lake, T42N R1W se 1/4 of se 1/4 Section 14 1889 Comment
  JEPS49244 Image available Ribes sanguineum W. L. Jepson 1907-7-5 2822 Siskiyou near Marble Mt. (head of Shackelford Canyon) 2133 Comment
  UC375359  Ribes sanguineum Geo. D. Butler 1908-8-10 262 Siskiyou Shackleford Creek Comment
  CAS-BOT-BC144517  Ribes sanguineum var. sanguineum Alice Eastwood; John Thomas Howell 1937-6-26 5042 Siskiyou Salmon Mts. above Taylor Creek Comment
  SEINET182273 Image available Ribes velutinum L. C. Wheeler 1935-5-4 3467 Siskiyou Siskiyou Mountains; Greenhorn Creek 853 Comment
  UCD169264  Ribes velutinum T. Bruchman 1978-7-1 184 Siskiyou Tule Lake National Wildlife Refuge, along Hill Road. Comment
  HSC23473  Ribes viscosissimum J. O. Sawyer 1968-6-18 220 Siskiyou Headwaters of Blake's Fork of S Russian Creek 1738 Comment
  UC1173693  Romanzoffia californica Joseph P. Tracy 1939-4-29 16269 Siskiyou Somes Bar 182 Comment
  HSC62118  Romanzoffia sitchensis Ruby Van Deventer 28 Jun [year missing] Siskiyou Raspberry Lake, 2 mi. W of Copper Mtn. Comment
  UC1409439  Rorippa Frederick W. Oettinger 1969-7-29 1096 Siskiyou high lake basins in the vicinity English Peak (Drying area, Dry Lake, western Siskiyou County); Marble Mountain Wilderness Area, Salmon Mountains 1889 Comment
  JEPS53851  Rorippa curvisiliqua Geo. D. Butler 1908-7-16 118 Siskiyou Butler's Ranch near Yreka, Butler's Ranch Comment
  CHSC91251  Rorippa nasturtium-aquaticum Lowell Ahart; John Dittes 2005-6-10 12079 Siskiyou 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
  CHSC1596  Rosa bridgesii M. Yoder 1941-7-21 Siskiyou Castle Lake. 1981 Comment
  HSC19384  Rosa gymnocarpa J. O. Sawyer 1968-7-10 487 Siskiyou Floodplain of Sugar Creek near Sugar Lake. 1799 Comment
  UC164425  Rosa gymnocarpa Geo. D. Butler 1910-8-7 1816 Siskiyou Humbug Mountain 1219 Comment
  LA208226  Rosa nutkana Louis C. Wheeler; 1934-10-27 3349 Siskiyou Siskiyou Mountains, Mt. Diablo Mer., Shasta River 1 mi. below Yreka Creek 731 Comment
  SBBG3080  Rosa pinetorum H. and M. Dearing 1939-6-30 3764 Siskiyou Callahan-Trinity Alps Rd 1524 Comment
  CAS-BOT-BC147059  Rosa pisocarpa Geo. D. Butler 1910-5-16 1352 Siskiyou Fence rows Yreka Comment
  HSC29495  Rosa pisocarpa Frederick W. Oettinger 1969-8-16 1408 Siskiyou Marble Mtn. Wilderness Area, Wire grass meadow near English Lake 1799 Comment
  HSC58953  Rosa pisocarpa Marvin Butler 1971-7-21 198 Siskiyou Near Copper Mtn., close to the town of Cave Junction 1616 Comment
  POM365847  Rosa pisocarpa Louis C. Wheeler 1934-6-27 2800 Siskiyou Cottonwood Creek. Siskiyou Mtns. 884 Comment
  RSA68898  Rosa pisocarpa A. E. Culbertson 1943-7-12 59 Siskiyou Castle Lake, in a north facing cirque with a abrupt 1000' backwall; 14 miles SW of Mt. Shasta on N side of a 6600' eastern spur of Trinity Mts.; 2000 ft. above Sacramento R. within 10 air miles of its headwaters to the west. 1657 Comment
  POM277840  Rosa pringlei C. G. Pringle 1882-9-6 s.n. Siskiyou By streams. Comment
  CAS-BOT-BC148191  Rosa rubiginosa Carl B. Wolf 1927-8-27 1112 Siskiyou On the Klamath River, Happy Camp Comment
  CAS-BOT-BC149739  Rosa woodsii subsp. ultramontana L. E. Smith 1915-9-1 s.n. Siskiyou Sisson Comment
  RSA78994  Rubus discolor E. K. Balls, Percy C. Everett 1952-10-13 18183 Siskiyou Just above turn off to Deer Creek on road to Castle Lake from Mt. Shasta. 1037 Comment
  CAS-BOT-BC147140  Rubus glaucifolius Louis C. Wheeler 1934-8-31 3233 Siskiyou Bear Creek off West Fork Beaver Creek, Siskiyou Mts. 1767 Comment
  UC375393  Rubus glaucifolius Geo. D. Butler 1910-6-17 1566 Siskiyou Humbug Mountain Comment
  UCR66438  Rubus glaucifolius L. C. Wheeler 1934-8-31 3233 Siskiyou Siskiyou Mountains: semi-shady E slope. Bear Creek off W Fork Beaver Creek 1768 Comment
  HSC65268  Rubus lasiococcus R. White 1977-6-4 79 Siskiyou 1/4 mi. from Buck Lake by trail 1250 Comment
  JEPS25620  Rubus lasiococcus Rimo Bacigalupi with Mr. and Mrs. Van Deventer 1959-7-9 7253 Siskiyou Poker Flat 1536 Comment
  CAS-BOT-BC157162  Rubus ursinus A. A. Heller 1916-6-20 12419 Siskiyou Metcalf's ranch, northeast base of Mt. Eddy 1188 Comment
  LA208247  Rubus ursinus Wm. Bridge Cooke; 1939-7-14 13689 Siskiyou Mount Shasta, along the Sisson Southern Trail 1523 Comment
  POM208282  Rubus vitifolius Louis C. Wheeler 1934-6-29 2824 Siskiyou Soda Creek. Sterling Mtn. Siskiyou Mtns. 1280 Comment
  CDA2879  Rumex acetosella F. D. Horn 1977-6-8 Siskiyou Near Weed. 0 Comment
  UCD101073  Rumex acetosella John M. Tucker 1974-7-28 4316 Siskiyou Siskiyou Co.; Marble Mountain Wilderness Area, Haypress Meadows. 1463 Comment
  CAS-BOT-BC422220  Rumex acetosella Gilbert Muth 1966-7-18 412 Siskiyou Marble Gap Trail, above Marble Valley, Marble Mts. 1828 Comment
  CAS-BOT-BC422228  Rumex acetosella Wm. Bridge Cooke 1938-8-21 11549 Siskiyou Mount Shasta. At Horse Camp. Comment
  CAS-BOT-BC433403  Rumex crispus W. B. Cooke; V. G. Cooke; Bob Frenkel 1963-7-12 34325 Siskiyou Memorial Highway below McBride Springs, Mt. Shasta Comment
  CAS-BOT-BC433405  Rumex crispus Doris K. Kildale 1928-7-25 5903 Siskiyou Klamath River - Mack's Creek near Hamburg 457 Comment
  UCD92349  Rytidosperma penicillatum Howard B. Shontz 1940-8-15 s.n. Siskiyou Yreka. Comment
  HSC29621  Sagina saginoides Frederick W. Oettinger 1969-8-19 1467 Siskiyou Marble Mountain Wilderness Area, near Abbott's 1860 Comment
  UC482249  Salix Mrs. H. P. Bracelin 1931-6-19 422 Siskiyou ca. 16 km. n.w. of Shasta City; Mt. Eddy 1500 Comment
  JEPS13065  Salix boothii Joseph P. Tracy 1935-8-1 14395 Siskiyou extreme head of West Fork of Knownothing Creek Rock Lake (on ridge between Salmon and New Rivers); betw Salmon and New Rivers, head of West Fork Knownothing Cr 1889 Comment
  UCD110841  Salix eastwoodiae John M. Tucker 1963-7-7 3730 -B Siskiyou Paradise Lake Public Camp, at base of Kings Castle on the east side, Marble Mountain Wilderness Area. 1981 Comment
  RSA211241  Salix jepsonii William J. Ferlatte 1967-7-9 683 Siskiyou Kidd Creek Trail. Trinity Alps. 1677 Comment
  CHSC88393  Salix laevigata Jenny Marr 1993-7-1 152 Siskiyou Butte Valley Wildlife Area, +/- 7 air miles NW of the town of MacDoel. Meadow NW of Meiss Lake. 1349 Comment
  HSC27474  Salix lasiandra J. P. Smith, J. O. Sawyer 1972-5-28 5365 Siskiyou 5 mi. S of Etna on Hwy. 3 915 Comment
  LA208831  Salix lasiandra A. A. Heller; 1915-7-18 12129 Siskiyou Metcalf's Ranch, Metcalf's ranch, NE of Mt. Eddy in the forest 1371 Comment
  CAS-BOT-BC125153  Salix lasiandra var. lasiandra Grant 1902-9-11 5166 Siskiyou Sisson 1127 Comment
  CAS-BOT-BC125477  Salix lasiandra var. lasiandra L. E. Smith 1914-6-24 720 Siskiyou Sisson Comment
  SJSU263  Salix lasiandra var. lasiandra Mrs. H. P. Bracelin 1931-6-21 473 Siskiyou bridge c. 1.3 km E of Burney Mill, N base of Mt Eddy, c. 13 km NW of Shasta City 1109 Comment
  CAS-BOT-BC107074  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
  UC481899  Salix lasiolepis Mrs. H. P. Bracelin 1931-6-19 409 Siskiyou about 16 km nw Shasta City (ne side of mt., edge of stream above Metcalf ranch house); Mount Eddy 1425 Comment
  UC482337  Salix lasiolepis Mrs. H. P. Bracelin 1931-6-20 434 Siskiyou about 10 km nw Shasta City (beside road, e of Metcalf ranch house) 1080 Comment
  CAS-BOT-BC125681  Salix melanopsis H. A. Thomas; J. H. Thomas 1954-7-1 4456 Siskiyou Salmon - Trinity Mts. About 6 miles SE of Cecilville. Along north bank of S. Fork of Salmon River just west of Blind Horse Creek 883 Comment
  CAS-BOT-BC126134  Salix scouleriana L. S. Smith 1931-6-7 21 Siskiyou Mt. Shasta 1066 Comment
  HSC19409  Salix scouleriana J. O. Sawyer 1968-7-10 497 Siskiyou Lower slopes grading to terrace of a temporary stream. 1768 Comment
  HSC22232  Salix scouleriana J. O. Sawyer 1968-9-13 708 Siskiyou W of the Happy Camp/O'Brien Rd. between Louse Creek and Indian Creek, on the E slopes of Little Grayback 1463 Comment
  UC375230  Salix scouleriana Geo. D. Butler 1910-5-30 1439 Siskiyou Humbug Mt. 1219 Comment
  UC482267  Salix scouleriana Mrs. H. P. Bracelin 1931-6-20 444 Siskiyou ca. 17 km. n.w. Shasta City (e. side Mt. Eddy, above stream in Wagon Creek Canyon, ca. 1 km. up from Metcalf ranch house); Mt. Eddy, Wagon Creek Canyon 1170 Comment
  CAS-BOT-BC175654  Salsola tragus Carl B. Wolf 1927-8-26 1014 Siskiyou On the Klamath River, 5 mi. below Hornbrook Comment
  CDA3197  Salsola tragus T. C. Fuller 1964-10-7 12689 Siskiyou South limits of Weed. 0 Comment
  RSA17699  Salvia dorrii subsp. dorrii Elmer I. Applegate 1935-6-5 9343 Siskiyou Capt. Jack s Ice Cave, Lava Beds National Monument Comment
  POM67340  Sambucus caerulea Geo. D. Butler 1910-5-29 1425 Siskiyou Near Yreka. Comment
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Jan 23 2011
  RSA238532  Sambucus caerulea Frederick W. Oettinger 1968-8-23 618 Siskiyou Just west of Upper English Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1768 Comment
  CAS-BOT-BC238884  Sambucus nigra subsp. caerulea Wm. Bridge Cooke 1939-6-30 13566 Siskiyou Mount Shasta. Grows near the outlet of MacBride Springs Comment
  POM141252  Sanguisorba annua H. M. Hall, E. B. Babcock 1903-06 4046 Siskiyou 18th crossing near Sisson. 1037 Comment
  UC1400371  Sanicula graveolens Frederick W. Oettinger 1969-7-9 941 Siskiyou just nw of Upper English Lake (High Lake Basins in vicinity of English Peak, Salmon Mountains, Marble Mountain Wilderness Area); Salmon Mountains, Marble Mountain Wilderness Area 1783 Comment
  HSC19456  Sanicula graveolens J. O. Sawyer 1969-7-18 1394 Siskiyou W facing slope above S Russian Creek 1860 Comment
  HSC61602  Sanicula graveolens Ruby Van Deventer 6 Jun [year missing] Siskiyou Lookout Mountain 1768 Comment
  JEPS81880  Sanicula tuberosa Roger Raiche 1982-7-4 20532 Siskiyou Mount Eddy 2072 Comment
  UCD39819  Sanicula tuberosa A. H. Murphy 1953-7-28 KNF 9 Siskiyou Klamath National Forest. Long Gulch Camp. 1889 Comment
  SD264751  Sanicula tuberosa Tracey G. Call, Viola Call 1964-6-20 2275 Siskiyou Siskiyou-Trinity County line: surrounding Scott Mt. campground. 1676 Comment
  SBBG21922  Saponaria officinalis D. Myrick 1964-7-25 974 Siskiyou near Shasta Royal Inn, Dunsmuir 762 Comment
  CDA8573  Saussurea americana T. C. Fuller, Don Shaw 1974-9-24 20045 Siskiyou Northwestern; Klamath Ranges region; Headwaters of Horse Creek, southwest slope of White Mountain, Siskiyou Mountains. 0 Comment
  RSA184699  Saxifraga caespitosa Gilbert Muth 1966-7-31 468 Siskiyou North side of Black Mountain, Marble Mountains. 1982 Comment
  CDA25443  Saxifraga oregana T. C. Fuller 1966-5-26 14716 Siskiyou Between road and railroad tracks, north end of Mt. Shasta City. 0 Comment
  JEPS82436  Saxifragopsis fragarioides Gilbert Muth 1966-7-25 452 Siskiyou below lookout n Marble Rim; Marble Mountain Wilderness Area 2072 Comment
  RSA238315  Saxifragopsis fragarioides Frederick W. Oettinger 1968-8-5 403 Siskiyou Mount Hemlock Forest, Shasta Ridge, between Diamond Lake and English Peak. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2073 Comment
  RSA0101699  Sceptridium multifidum Frederick W. Oettinger 1968-8-7 443 Siskiyou At the inlet meadow to Tobacco Lake. 1890 Comment
  POM211402  Schedonorus pratensis L. C. Wheeler 1934-6-26 2796 Siskiyou Siskiyou Mountains, Cottonwood Creek. 838 Comment
  HSC77192  Scirpus congdonii L. P. Janeway 1983-8-16 555 Siskiyou Poker Flat 1524 Comment
  HSC30713  Scirpus congdonii Frederick W. Oettinger, R. F. Thorne 1969-8-7 1271 Siskiyou Marble Mtn. Wilderness Area, SE side of English Lake 1753 Comment
  HSC100034  Sclerochloa dura J. P. Smith, & J. O. Sawyer 2010-5-6 12819 Siskiyou Camp Creek Campground. 727 Comment
  RSA602832  Sclerochloa dura L. C. Wheeler 1935-7-13 3665 Siskiyou Ager. 793 Comment
  JEPS62910  Scutellaria antirrhinoides Geo. D. Butler 1908-6-29 175 Siskiyou Cherry Creek Comment
  RSA445342  Scutellaria siphocampyloides Louis C. Wheeler 1934-6-4 2633 Siskiyou Hamburg Gulch off Horse Creek. (Mt. Diablo Mer.) Siskiyou Mts 610 Comment
  HSC102660  Secale cereale J. P. Smith 2009-6-1 12618 Siskiyou Old U.S. 99 South, south of Gazelle. Comment
  JEPS100525  Sedum divergens Dean W. Taylor 1996-7-25 15869 Siskiyou Scott Mtns.; Crater Lake, in cirque above upper lake (about 10 air miles west of Weed); Klamath National Forest 2331 Comment
  JEPS83984  Sedum divergens L. R. Heckard with J. Hickman et al. 1986-7-17 6521 Siskiyou e Condrey Mt. (Alex Hole, n facing cliffs); e of Condrey Mt., Alex Hole 1960 Comment
  CAS-BOT-BC494142  Sedum kiersteadiae Peter F. Zika; Julie Nelson 2012-6-21 25905 Siskiyou Ridge above South Fork Willow Creek, along FS Rd 42N19, 8 air km ENE of Gazelle Mountain, Shasta-Trinity National Forest 1630 Comment
  SEINET10449669  Sedum obtusatum subsp. boreale Mary Susan Taylor 1980-7-8 Taylor 3116 A Siskiyou T39N R5W se sec 24, Dunsmuir quad; Shasta-Trinity Natl Forest; on ridge S of Castle Lake, above Hearts Lake. 2017 Comment
  CAS-BOT-BC64083  Sedum oregonense Doris K. Kildale 1928-7-4 5468 Siskiyou Summit of divide between Salmon river and Scott Valley. Comment
  POM229949  Sedum oregonense L. C. Wheeler 1934-8-15 3156 Siskiyou E Fork Horse Creek, Siskiyou Mts. Mt. Diablo Mer. 1220 Comment
  RSA0083646  Sedum oregonense L. C. Wheeler 1935-6-27 3604 Siskiyou Head of Etna Creek, Marble Mountains. 1799 Comment
  JEPS121416  Sedum radiatum subsp. depauperatum Peter F. Zika 2011-7-19 25645 Siskiyou Forest Service Road 1055, 5.9 road miles S of and above junction with Road 1050, 1 air mile SSE of Windy Peak, Siskiyou Mountains Comment
  HSC34089  Selaginella scopulorum J. O. Sawyer 1969-7-9 1256 Siskiyou W facing slope above Bingham Lake 2317 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
  CAS-BOT-BC496374  Selaginella scopulorum Louis C. Wheeler 1934-8-3 3036 Siskiyou Big Rock, Dog Fork, Middlehell Creek, Siskiyou Mountains 2090 Comment
  RSA576449  Selaginella wallacei Louis Cutter Wheeler 1934-8-15 3158 Siskiyou East Fork Horse Creek, Siskiyou Mtns. (Mt Diablo Mer) 1524 Comment
  CAS-BOT-BC363423  Senecio aronicoides Alice Eastwood 1912-7-15 1102 Siskiyou McCloud Comment
  CAS-BOT-BC363425  Senecio aronicoides Alice Eastwood 1923-5-22 11888 Siskiyou Sisson Comment
  RSA0013320  Senecio aronicoides J. P. Smith 1974-5-26 7546 Siskiyou Along Forest Service Road 47N03 1524 Comment
  CAS-BOT-BC363743  Senecio hydrophilus Alice Eastwood 1912-9-4 2094 Siskiyou Sisson Comment
  JEPS82277  Senecio hydrophilus Roger Raiche 1983-8-14 30626 Siskiyou between road of North Mt. Shasta Blvd (900 block) and Shasta City railroad tracks 975 Comment
  JEPS93892  Senecio hydrophilus Vernon H. Oswald and Lowell Ahart 1998-7-21 9348 Siskiyou ne of Weed and s of Macdoel (along Old State Highway on the w side of Bray); Bray, Old State Highway 1417 Comment
  CAS-BOT-BC363745  Senecio hydrophilus T. C. Fuller 1958-9-12 s.n. Siskiyou 5 mi. s. of Yreka Comment
  UC165411  Senecio integerrimus var. exaltatus Geo. D. Butler 1910-5-15 1345 Siskiyou McAdams Creek Comment
  SEINET10809464 Image available Senecio integerrimus var. major Harley P. Chandler Chandler 1606 Siskiyou Ridges and meadows near Marble mountain. 1981 Comment
  RSA237230  Senecio sylvaticus Frederick W. Oettinger 1967-6-28 136 Siskiyou flood plain along Salmon River near Kelly Gulch, the High Lake Basings in the vicinity of English Peak, Marble Mountain Wilderness area. 613 Comment
  CAS-BOT-BC364443  Senecio triangularis Doris K. Kildale 1928-8-19 6547 Siskiyou Hancock Lake, on trail to Marble Mt. 2133 Comment
  CAS-BOT-BC364445  Senecio triangularis Doris K. Kildale 1929-7-20 8707 Siskiyou Raspberry Lake, upper South Fork of Indian Creek 1828 Comment
  UC618693  Senecio triangularis W. Bridge Cooke 1938-9-8 11678 Siskiyou along the creek and lower meadow below the middle meadow Panther Creek Meadow (Mount Shasta); , Panther Creek Meadow 2286 Comment
  CAS-BOT-BC364450  Senecio triangularis C. L. Hitchcock; J. S. Martin 1939-7-6 5204 Siskiyou Siskiyou Mts., 2 miles within California boundary on Takilma-Happy Camp road 1554 Comment
  UC179657  Sericocarpus oregonensis subsp. oregonensis A. A. Heller 1914-8-25 11700 Siskiyou near, Deetz Station Black Butte 1158 Comment
  UC1013004  Sidalcea malviflora subsp. asprella C. L. Hitchcock 1952-6-30 19640 Siskiyou on road to Orleans about 30 mi sw Happy Camp; sw of Happy Camp on rd to Orleans Comment
  UCR21114  Sidalcea malviflora subsp. celata T. W. Fisher, Earl Oatman, R. E. Orth 1974-6-26 s.n. Siskiyou McIntosh Ranch on the McCloud River near Bartle 1220 Comment
  HSC76662  Sidalcea oregana subsp. spicata K. T. Stillman 1976-7-22 290 Siskiyou Marble Mtn. Wilderness Area Comment
  CAS-BOT-BC181189  Silene campanulata subsp. glandulosa Doris K. Kildale 1928-7-2 5342 Siskiyou Salmon Summit via Horn Creek Trail 1981 Comment
  CAS-BOT-BC181194  Silene campanulata subsp. glandulosa Roxana S. Ferris; Laura Lorraine 1948-6-12 11806 Siskiyou At Mule Creek crossing on Scott Mountain Road south of Callahan 1524 Comment
  CAS-BOT-BC181198  Silene campanulata subsp. glandulosa Clarence R. Quick 1958-6-17 58 -29 Siskiyou Near Black Bear Summit south of Sawyer's Bar on ridge road to Cecilville 1356 Comment
  CAS-BOT-BC181201  Silene campanulata subsp. glandulosa John Thomas Howell 1939-8-3 14971 Siskiyou Spirit Lake, Marble Mts. 1828 Comment
  HSC43041  Silene campanulata subsp. greenei J. O. Sawyer, Ken Stillman 1976-7-2 2814 Siskiyou Ridges E of the Little N Fork Trail 732 Comment
  CAS-BOT-BC388962  Silene grayi C. L. Hitchcock; J. S. Martin 1939-7-9 5320 Siskiyou Between King's Castle and Black Mt., west side of ridge 1828 Comment
  HSC65007  Silene grayi D. L. Goforth 1979-7-19 257 Siskiyou Trinity Alps Wild Area, Caribou Lakes Basin, 0.3 mi NW of upper lake 2134 Comment
  HSC92350  Silene grayi Jennifer Whipple 1976-7-14 1480 Siskiyou SE slope of Mount Eddy draining into the N Fork of the Sacramento River 2195 Comment
  HSC4217  Silene latifolia Dorothy Parker 1949-6-30 Siskiyou Along banks of Crystal Creek, Scott Valley 872 Comment
  CAS-BOT-BC389426  Silene lemmonii Wm. Bridge Cooke 1938-7-1 11126 Siskiyou Mount Shasta. Near Bear Springs Comment
  CAS-BOT-BC389434  Silene lemmonii H. A. Thomas; J. H. Thomas 1954-7-21 4426 Siskiyou Salmon - Trinity Mts. About 6 miles SE of Cecilville. West side of Rush Creek 1219 Comment
  CAS-BOT-BC389528  Silene menziesii Geo. D. Butler 1910-6-1 1445 Siskiyou Yreka Creek Comment
  CAS-BOT-BC389536  Silene menziesii Wm. Bridge Cooke 1940-7-5 15236 Siskiyou Mount Shasta. Along the Wagon Camp road 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
  RSA145154  Sisyrinchium elmeri Dorothy Parker 1959-6-15 723 Siskiyou Near summit of Scott Mountain 1631 Comment
  HSC29255  Sisyrinchium idahoense var. idahoense Frederick W. Oettinger 1969-8-1 1125 Siskiyou Marble Mtn. Wilderness Area, margins of Wiregrass Meadow below English Lake in English Lake Basin 1677 Comment
  UC618660  Smilacina racemosa W. Bridge Cooke 1938-6-17 11012 Siskiyou Sisson Southern Trail Mount Shasta 1524 Comment
  JEPS120258  Smilax californica Julie Kierstead Nelson with Rhonda Posey, Mary Ellen Colberg 2011-7-12 2011 -41 Siskiyou Eastern Klamath Mountains, The Eddys. County Road 26, south side of Siskiyou lake, ca. 3 miles SW of Mt. Shasta City Comment
  UC1409319  Smilax jamesii Frederick W. Oettinger 1968-9-4 691 Siskiyou outlet of Abbott's Lake (vicinity of English Peak); Salmon Mountains, Marble Mountain Wilderness Area, High Lake 1722 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
  HSC43149  Solanum physalifolium var. nitidibaccatum Ken Stillman 1976-8-24 425 Siskiyou Along Klamath River at Williams Point. 366 Comment
  RSA68903  Solanum umbelliferum A. E. Culbertson 1943-7-24 54 Siskiyou Castle Lake, 5434', in a N facing cirque with an abrupt 1000' backwall. 14 miles SW of Mt. Shasta on N side of a 6000' eastern spur of Trinity Mtns. 2000' above Sacramento River within 10 air miles of its headwaters to the W. Comment
  UC485631  Solidago confinis Geo. B. Grant Sep 1902 5063 Siskiyou South part of California, Valley 304 Comment
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Aug 7 2012
  CAS-BOT-BC365563  Solidago elongata A. A. Heller 1916-8-24 12562 Siskiyou Near Sisson 1074 Comment
  CAS-BOT-BC365565  Solidago elongata Henry M. Pollard 1947-9-6 s.n. Siskiyou Dillons Mt. Forest Road 1524 Comment
  UC1557825  Solidago elongata J. Semple, S. Heard 1986-8-14 8460 Siskiyou behind grade school (on East Lake St., Mt. Shasta City); Mt. Shasta City Comment
  UC726607  Solidago elongata A. A. Heller 1916-8-24 12562 Siskiyou near Sisson 1074 Comment
  HSC62028  Solidago multiradiata Al Hobart 5 Aug [year missing] Siskiyou Preston Peak Comment
  CAS-BOT-BC365246  Solidago velutina subsp. californica Doris K. Kildale 1928-8-19 6530 Siskiyou Trail from English Lake to Hancock Lake - on way to Marble Mt. Comment
  UCD136123  Sonchus arvensis T. C. Fuller 1963-8-27 11162 -a Siskiyou south side of Dorris-Tulelake Road where the roadbed forms the north shore of Lower Klamath Lake, Lower Klamath Lake Wildlife Refuge. Around 12 miles west of Hatfield. Comment
  JEPS95134  Sorbus californica Vernon Oswald and Lowell Ahart 1997-7-28 8794 Siskiyou s.e. Medicine Lake (at Paynes Springs, on walls of Paynes Creek Canyon n. of the campground); Paynes Springs 1981 Comment
  UC1190120  Sorbus californica Ira L. Wiggins 1955-7-27 13554 Siskiyou Caribou Lake; Salmon Trinity Alps Primitive Area 2042 Comment
  UC454961  Sorbus scopulina I. J. Condit 1911-7-27 Siskiyou Castle Lake 1981 Comment
  UC466718  Sorbus scopulina H. W. Furlong Sept. 1901 Siskiyou Summit to Ager Comment
  CAS-BOT-BC158933  Sorbus scopulina W. R. Dudley 1899-8-15 s.n. Siskiyou Black Fox Mountains Comment
  UC1409332  Sorbus scopulina var. scopulina Frederick W. Oettinger 1968-9-8 782 Siskiyou e side English Lake; Salmon Mountains, Marble Mountain Wilderness Area 1813 Comment
  HSC18906  Sorbus sitchensis var. sitchensis J. O. Sawyer 1968-6-18 218 Siskiyou Headwaters of Blake's Fork of S Russian Creek 1738 Comment
  CAS-BOT-BC149691  Spiraea douglasii John Thomas Howell 1937-7-22 13275 Siskiyou South Fork of Salmon River near Big Flat 1524 Comment
  CAS-BOT-BC152559  Spiraea splendens John Thomas Howell 1937-7-29 13671 Siskiyou North side of Scott Mt. Comment
  RSA237629  Spiranthes Frederick W. Oettinger 1969-8-12 1343 Siskiyou Abbotts Lower Cabin. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1220 Comment
  UC13517  Spiranthes porrifolia W. C. Blasdale 1894-7-31 Siskiyou Sissons Comment
  HSC85692  Spiranthes romanzoffiana J. P. Smith 1980-8-24 10341 Siskiyou Scott Mtn. Campground, head of Mule Creek 1646 Comment
  RSA28132  Spiranthes romanzoffiana Elmer I. Applegate 1923-8-18 3884 Siskiyou Medicine Lake. Comment
  RSA184651  Stachys emersonii Clare B. Hardham 1965-8-20 13030 Siskiyou Marble Mts., Granite Trail near Cudahy Lakes. 1220 Comment
  JEPS117252  Stachys palustris subsp. pilosa Lowell Ahart, John Dittes 2010-7-30 16948 Siskiyou In shallow water or on wet soil, on the south edge of the Shasta River, about 80 yards east of the East Louie Road Bridge, Shasta Big Springs Ranch, 1.6 miles (air) southwest of Big Springs Lake, 4.6 miles (air) northwest of Dwinnel Dam, 5.7 miles (air) s 716 Comment
  RSA298323  Stachys rigida subsp. rigida J. P. Smith, Steve Selva 1970-7-16 4405 Siskiyou Beaver Creek Campground 823 Comment
  HSC29619  Stellaria crispa Frederick W. Oettinger 1969-8-4 1166 Siskiyou Marble Mtn. Wilderness Area, above inlet to Hancock Lake 1951 Comment
  UC8681  Stellaria longipes var. longipes C. B. Bradley 1879-1 Siskiyou Comment
  HSC41086  Stellaria nitens J. O. Sawyer 1970-3-4 2072 Siskiyou N of Idlewild Campground 762 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
  UC1265673  Stenanthium occidentale Rolf Y. Berg 1980-6-25 Siskiyou Horsetail Falls Klamath River Region (on road from Seiad Valley to Cook and Green Pass) Comment
  UCR131615  Stenanthium occidentale L. C. Wheeler 1934-8-17 3181 Siskiyou Siskiyou Mtns., north side of White Mtn 1829 Comment
  HSC74923  Stenanthium occidentale J. P. Smith 1978-7-2 9962 Siskiyou Along the Rd. to Cook and Green Pass (48N02), 2.9 mi. N of Seiad Creek, Klamath National Forest 1067 Comment
  UC165400  Stephanomeria lactucina Geo. D. Butler 1909-7-25 959 Siskiyou Highland Mine Comment
  HSC290  Stephanomeria lactucina William J. Ferlatte 1967-8-22 1081 Siskiyou NW side of Caribou Mtn. 1829 Comment
  CAS-BOT-BC322918  Stephanomeria tenuifolia Elmer I. Applegate 1935-6-8 9420 Siskiyou Bear Paw Cave, Lava Beds National Monument Comment
  RSA15798  Stephanomeria virgata C. B. Wolf 1927-8-26 1040 Siskiyou On the Klamath River, 4 mi N of Gottville. Comment
  HSC101542  Stipa lemmonii var. lemmonii J. P. Smith, J. O. Sawyer, R. J. Cole 2010-7-11 12995 Siskiyou Gazelle-Callahan Road. 1233 Comment
  HSC19239  Stipa occidentalis var. occidentalis J. O. Sawyer 1969-7-25 1545 Siskiyou West of High Lake 2256 Comment
  HSC30692  Stipa occidentalis var. occidentalis Frederick W. Oettinger 1968-8-8 454 Siskiyou Marble Mtn. Widlerness Area, Crapo meadow near Tom Taylor Cabin. 2027 Comment
  HSC75346  Streptanthus barbatus J. O. Sawyer, M. Mesler 1980-8-10 4027 Siskiyou Just W of Carmen Lake 1585 Comment
  CAS-BOT-BC87850  Streptanthus tortuosus A. A. Heller 1916-6-23 12433 Siskiyou Near Black Butte north of Sisson. 1127 Comment
  CAS-BOT-BC87852  Streptanthus tortuosus A. A. Heller 1940-7-25 15769 Siskiyou Along the pathway above Horse Camp Lodge, Mount Shasta. 2438 Comment
  CAS-BOT-BC87866  Streptanthus tortuosus H. D. Ripley; R. C. Barneby 1948-7-6 9637 Siskiyou Black Butte. 1219 Comment
  HSC18892  Streptanthus tortuosus J. O. Sawyer 1968-7-23 580 Siskiyou Along trail from Brown's Valley to Caribou Basin including areas around Snowslide Lake and Caribou Lake. 1829 Comment
  HSC76965  Streptanthus tortuosus K. T. Stillman 1976-9-10 505 Siskiyou Marble Mtn. Wilderness Area, trail from Marble Gap to Elk Valley 2104 Comment
  RSA149078  Streptanthus tortuosus I. L. Wiggins, Dorothy Wiggins 1961-6-15 16492 Siskiyou Quarry on Glass Mountain. Comment
  RSA237369  Streptanthus tortuosus Frederick W. Oettinger 1968-8-5 406 Siskiyou Ridge between English Peak and Diamond Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2073 Comment
  RSA603096  Streptanthus tortuosus L. C. Wheeler 1935-6-27 3600 Siskiyou Head of Etna Creek, Marble Mountains 1799 Comment
  HSC99988  Streptanthus tortuosus var. oblongus Thomas W. Nelson 2005-7-16 9376 Siskiyou Along Etna-Forks of Salmon Rd., 1.5 mi. from Forks of the Salmon. 399 Comment
  CHSC69074  Streptanthus tortuosus var. orbiculatus Vernon Oswald; Lowell Ahart 1997-7-28 8770 Siskiyou Forest Route 49 (Powder Hill Rd.) at 41N03 (to Porcupine Butte), 16 mi south of Medicine Lake. 1365 Comment
  SDSU1282  Streptanthus tortuosus var. orbiculatus D. F. Howe 1962-8-6 3399 Siskiyou Mt. Shasta, Shasta National Forest. 2438 Comment
  HSC35793  Streptopus amplexifolius J. O. Sawyer 1969-7-18 1420 Siskiyou Head of S Russian Creek 1829 Comment
  HSC44364  Streptopus amplexifolius Maralyn O'Meara 1973-6-24 231 Siskiyou Statute Lake Creek where it is crossed by Music Creek logging rd., 0.25 mi. from confluence of Statute Lake Creek and Music Creek 1829 Comment
  HSC62006  Streptopus amplexifolius Ruby Van Deventer 1959-7-10 Siskiyou Poker Flat 1585 Comment
  CAS-BOT-BC516430  Streptopus amplexifolius Doris K. Kildale 1928-7-4 5479 Siskiyou 3 miles west of summit of divide between Sawyers Bar and Etna Comment
  CAS-BOT-BC516438  Streptopus amplexifolius Gilbert Muth 1966-7-24 443 Siskiyou Marble Valley, Marble Mts. 1792 Comment
  JEPS62165  Streptopus amplexifolius var. americanus Willis L. Jepson Jul 1894 Siskiyou Sisson Comment
  JEPS97194  Streptopus amplexifolius var. americanus Julie Kierstead Nelson with Maria Ulloa-Cruz 1995-8-22 95054 Siskiyou 1 1/2 mi W of The Eddys (on Parks Creek Road (Rd. 17); W slope of Parks Creek drainage); Shasta-Trinity National Forests, Mt. Shasta Ranger District 1737 Comment
  UC1190159  Streptopus amplexifolius var. americanus Ira L. Wiggins 1955-7-24 13502 Siskiyou China Creek; trail at crossing, above diversion dam 1301 Comment
  UCD138354  Stuckenia pectinata Verne Grant; Irving Schneider 1947-8-26 8289 Siskiyou 1/2 mile west of Tulelake. Comment
  HSC29456  Suksdorfia ranunculifolia Frederick W. Oettinger 1969-7-13 998 Siskiyou Marble Mtn. Wilderness Area, N of Upper English Lake 1921 Comment
  HSC60776  Suksdorfia ranunculifolia Ruby Van Deventer 1960-7-7 Siskiyou Bell Echo Camp in Youngs Valley Comment
  UC1045242  Swertia albicaulis var. albicaulis unknown 1940-6-27 15204 Siskiyou near the old Hotlum road; Mount Shasta Comment
  JEPS25841  Swertia albicaulis var. nitida Rimo Bacigalupi with L. Constance and L. Heckard 1960-7-20 7456 Siskiyou about 13 air mi nw Happy Camp (on jeep-road along Del Norte-Siskiyou co. boundary (ridge top) dividing Indian Ck drainage from that of Illinois Riv--leading to Twin Valley) 1584 Comment
  UC456202  Swertia albicaulis var. nitida I. J. Condit 1909-8-23 Siskiyou near Sisson; Castle Lake 1524 Comment
  HSC32026  Swertia albicaulis var. nitida J. D. Ackerman, A. M. Montalvo 1974-7-2 356 Siskiyou Along road to upper Middle Fork Sacramento River and Toad Lake Comment
  RSA428926  Symphoricarpos acutus B. C. Templeton 1960-6-21 8559 Siskiyou Near the summit of Scott Mt. Comment
  CAS-BOT-BC234797  Symphoricarpos mollis John Thomas Howell 1937-7-23 13362 Siskiyou South Fork of Salmon River near Big Flat 1524 Comment
  HSC18884  Symphoricarpos mollis J. O. Sawyer 1968-9-28 739 Siskiyou Along ridge NE of Orleans Mtn. 1677 Comment
  JEPS24629  Symphoricarpos mollis Rimo Bacigalupi with Drs. Reino and Aloha Alava 1958-9-1 6784 Siskiyou e of and a little above MacBride Springs (s slopes of Mount Shasta); Mt. Shasta 1432 Comment
  JEPS83839  Symphoricarpos mollis Wayne Roderick Jul 1976 Siskiyou vicinity Cook and Green Pass; Siskiyou Mts. 1463 Comment
  UC1408788  Symphoricarpos mollis Frederick W. Oettinger 1968-8-6 542 Siskiyou ne side Little Medicine Lake (due n of Hancock Lake, vicinity of English Peak, w Siskiyou County); Salmon Mountains, Marble Mountain Wilderness Area 1996 Comment
  HSC4014  Symphoricarpos rotundifolius var. rotundifolius R. C. Wunner 1965-8-21 468 Siskiyou California Lava Beds National Monument, 1/4 mile from Cinder Pit on Caldwell Butte. 1402 Comment
  CAS-BOT-BC97581  Symphyotrichum ascendens A. A. Heller 1914-8-26 11713 Siskiyou near Deetz Station near/opposite Black Butte 1158 Comment
  CAS-BOT-BC99035  Symphyotrichum cusickii Louis C. Wheeler 1934-8-14 3130 Siskiyou Siskiyou Mts. - North side White Mt. - Mt. Diablo Mer. 1767 Comment
  CAS-BOT-BC97949  Symphyotrichum frondosum A. A. Heller 1917-9-7 12977 Siskiyou Shasta Valley two miles south of Grenada 914 Comment
  JEPS94849  Symphyotrichum frondosum Vernon H. Oswald and Lowell Ahart 1998-9-16 9645 Siskiyou Vista Point on Highway 161 adjacent to a marsh at the Lower Klamath National Wildlife Refuge (8.7 mi e of Highway 97); Vista Point on Highway 161 1243 Comment
  CAS-BOT-BC98430  Symphyotrichum spathulatum A. A. Heller 1940-7-24 15760 Siskiyou Along the outlet of Castle Lake at the lake. Comment
  CAS-BOT-BC98438  Symphyotrichum spathulatum Henry M. Pollard 1947-9-6 s.n. Siskiyou Dillons Mt. Forest Road 1524 Comment
  UC1188088  Symphyotrichum spathulatum Philip A. Munz 1960-8-22 24173 Siskiyou Panther Meadows Mt. Shasta 2286 Comment
  UC1408809  Symphyotrichum spathulatum Robert F. Thorne and Fred Oettinger 1969-8-10 38972 Siskiyou Panther Creek Meadows, dryer portion of mdw along small cr Mt. Shasta National Forest, Mt. Shasta, Panther Creek Meadow (s slope of Mt Shasta) 2194 Comment
  HSC101563  Syringa J. P. Smith, J. O. Sawyer 2010-5-6 12822 Siskiyou Along Rd. 92K02, E of Copco. 778 Comment
  CAS-BOT-BC221929  Taeniatherum caput-medusae L. R. Short 1933-6-16 40 Siskiyou Klamath National Forest. Klamath River 609 Comment
  CAS-BOT-BC376922  Taraxacum officinale John Thomas Howell; T. C. Fuller; G. D. Barbe 1980-4-29 53404 Siskiyou Forest Mountain Summit, 6 miles southwest of Yreka on road to Fort Jones 1249 Comment
  HSC98257  Taxus brevifolia G. L. Clifton, Griswold 1979-6-28 6128 Siskiyou Near Upper Devils Peak, close to the town of Seiad Valley 1738 Comment
  UC1037369  Taxus brevifolia Douglas Barbe 1955-7-9 158 Siskiyou s side Kangaroo Lake; Scott Mountains, Kangaroo Lake 1828 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
  JEPS84273  Tellima grandiflora L. R. Heckard with Susan D'Alcamo, J. Hickman, S. Winchester 1986-7-16 6425 Siskiyou ca 5 mi n Seiad Valley (town) (e slope of Kangaroo Mountain, cirque at head of Hell's Canyon); Kangaroo Mountain 1828 Comment
  RSA238311  Tellima grandiflora Frederick W. Oettinger 1968-9-1 639 Siskiyou Southeast of Abbott s Lake. The Salmon Mountains. The High Lake Bains in the vicinity of English Peak. Marble Mountain Wildernes Area. 1860 Comment
  CHSC88778  Tetradymia canescens Jenny Marr 1993-7-1 197 Siskiyou Steamboat Mtn. Shasta Valley Wildlife Area, +/- 20 air miles S of Oregon border and 8 miles E of Yreka. Meadow. 701 Comment
  HSC6276  Tetradymia canescens R. C. Wunner 1965-7-9 352 Siskiyou California Lava Beds National Monument; 0.4 mi. along Hardin Butte Trail 1341 Comment
  HSC100276  Thelypodium brachycarpum J. P. Smith, , J. O. Sawyer, & R. J. Cole 2010-8-7 13074 Siskiyou Klamath National Forest, along road to botanical area off Forest Service Road 40N24 to Crater Lake. 1860 Comment
  HSC90989  Thelypodium brachycarpum Jennifer Whipple 1976-7-1 1240 Siskiyou Slope on E shore of Durney Lake 2073 Comment
  CAS-BOT-BC77736  Thelypteris nevadensis Louis C. Wheeler 1934-8-21 3191 Siskiyou East Fork Horse Creek, Siskiyou Mts. 1219 Comment
  UC1481738  Thelypteris nevadensis unknown Oct 1941 Siskiyou e fork of Horse Creek 762 Comment
  CHSC71569  Thlaspi montanum var. montanum Vernon H. Oswald; Lowell Ahart 1998-8-3 9426 Siskiyou Near the Pacific Crest Trail in the Scott Mtns. west of Kangaroo Lake. 1981 Comment
  SBBG109240  Thlaspi montanum var. montanum C. B. Hardham 1961-7-1 7996 Siskiyou White Mtn Comment
  CAS-BOT-BC66799  Thysanocarpus curvipes A. A. Heller 1905-6-1 7931 Siskiyou Between Dunsmuir and Upper Soda Spring. Comment
  RSA605353  Tiarella trifoliata var. unifoliata Louis C. Wheeler 1959-7-25 7602 Siskiyou Marble Mountains: Camp Three, Rogers Creek. Comment
  JEPS80591  Tofieldia occidentalis subsp. occidentalis Gilbert Muth 1966-8-3 499 Siskiyou Marble Valley, water source spring Marble Mt. Wilderness Area 1792 Comment
  UC1090399  Tofieldia occidentalis subsp. occidentalis Barbe 1957-7-13 375 Siskiyou Big Flat Public Camp Klamath National Forest 1524 Comment
  CAS-BOT-BC377157  Tragopogon porrifolius Copeland 1903-8-14 3886 Siskiyou Sisson Comment
  JEPS82737  Trautvetteria caroliniensis var. occidentalis Wayne Roderick 1983-7-10 Siskiyou Doe Flat 1143 Comment
  HSC69052  Triantha occidentalis subsp. occidentalis Maralyn A. Renner 1980-8-6 2308 Siskiyou Cracker Meadow 1555 Comment
  CAS-BOT-BC519574  Triantha occidentalis subsp. occidentalis A. A. Heller 1920-7-30 13488 Siskiyou Metcalf's ranch, northeast base of Mt. Eddy 1158 Comment
  HSC38753  Triantha occidentalis subsp. occidentalis A. M. Montalvo, J. D. Ackerman 1975-7-18 579 Siskiyou The Eddy's, between Mt. Eddy and Boulder Peak, headwaters of S Fork of Sacramento River Comment
  HSC14451  Trichostema lanceolatum C. B. Wolf 1927-8-26 1041 Siskiyou Along Klamath River, 4 mi. N of Gottville Comment
  HSC68369  Trientalis latifolia J. P. Smith 1973-5-5 6369 Siskiyou In and around the O'Neill Campground near Seiad Valley. 488 Comment
  UC618635  Trientalis latifolia W. Bridge Cooke 1938-6-17 11050 Siskiyou Mount Shasta, Sisson Southern Trail Sisson Southern Trail; Mount Shasta, Sisson Southern Trail 1371 Comment
  POM76570  Trientalis latifolia Geo. D. Butler 1909-5-30 765 Siskiyou Humbug Mountain. 1220 Comment
  HSC68550  Trifolium eriocephalum Maralyn A. Renner 1980-6-22 893 Siskiyou Slopes N of Little Shasta River 1372 Comment
  SBBG3819  Trifolium eriocephalum H. and M. Dearing 1939-6-3 3528 Siskiyou Spring Flat Public Camp, Klamath Nat Forest 731 Comment
  CHSC118624  Trifolium hirtum Richard R. Halse 2016-5-29 9716 Siskiyou Along Hilt Road ca. 2.1 miles northwest of Hilt on the Oregon/California State Line. 876 Comment
  CAS-BOT-BC219042  Trifolium howellii Doris K. Kildale 1928-8-18 6434 Siskiyou Finley's Upper Camp near head of north fork of Salmon River 1676 Comment
  UC1223368  Trifolium howellii Joseph P. Tracy 1951-6-6 19467 Siskiyou n Summit crossing (on the Takilma-Happy Camp Rd); Siskiyou Mtns Comment
  UC1409202  Trifolium howellii Frederick W. Oettinger 1968-7-17 557 Siskiyou vicinity English Peak (Pine Lake Meadow); Salmon Mtns, Marble Mtn Wilderness area 1874 Comment
  RSA14979  Trifolium hybridum H. P. Bracelin 1931-6-20 433 Siskiyou Metcalf Ranch, Mt. Eddy. Comment
  UC1025112  Trifolium kingii var. productum Douglas Barbe 1955-7-9 154 Siskiyou s shore Kangaroo Lake; Scott Mtns 1828 Comment
  UC1607584  Trifolium longipes Barbara Ertter 1990-7-14 9314 Siskiyou ca 4 air mi due w Mt. Shasta City (at end of FR 41N53 ca 1 mi n of Morgan Meadows); east side of Mt. Eddy; w center Comment
  UC630806  Trifolium longipes var. elmeri A. A. Heller 1915-7-18 12099 Siskiyou Metcalf's Ranch northeast base of Mt. Eddy 1371 Comment
  UC631140  Trifolium longipes var. shastense A. A. Heller 1920-6-28 13404 Siskiyou e side Mt. Eddy (trail to Wagaon Creek Falls) 1371 Comment
  POM27532  Trifolium macrocephalum Geo. D. Butler 1910-4-15 1174 Siskiyou Yreka. Comment
  UCD109295  Trifolium pratense L. Whitney 1934-6-24 s.n. Siskiyou location unknown. 1463 Comment
  HSC18993  Trifolium productum J. O. Sawyer 1969-7-7 1086 Siskiyou Little Duck Lake 1966 Comment
  UC726165  Trifolium wormskioldii A. A. Heller 1916-7-20 12459 Siskiyou ne base Mt. Eddy (Metcalf's ranch) 1188 Comment
  CAS-BOT-BC451782  Triglochin maritima Geo. D. Butler 1910-8-21 1846 Siskiyou Shasta Valley Comment
  JEPS47264  Trillium albidum Geo. D. Butler 1909-4-14 669 Siskiyou Humbug Comment
  POM109158  Trillium albidum Geo D. Butler 1909-4-14 669 Siskiyou Humbug Creek Comment
  UC164381  Trillium albidum Geo. D. Butler 1910-4-25 1242 Siskiyou Scott R. Comment
  POM207179  Trisetum canescens E. B. Copeland 1903-9-7 3794 Siskiyou Mt. Eddy. 2744 Comment
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Jan 23 2011
  CAS-BOT-BC200268  Trisetum spicatum Gilbert Muth 1966-7-31 469 Siskiyou North side of Black Mountain, Marble Mts. 1981 Comment
  JEPS64224  Triteleia hyacinthina W. L. Jepson July 1894 20977 Siskiyou Sisson Comment
  UC333367  Triteleia hyacinthina unknown 1889-6-27 Siskiyou near Edgewood Comment
  UC454045  Triteleia hyacinthina I. J. Condit 1909-8-23 Siskiyou near Sisson (Castle Lake); Castle Lake Comment
  UC61171  Triteleia hyacinthina W. A. Setchell, C. C. Dobie 1902-7-13 Siskiyou Sisson Mount Shasta, Sisson Comment
  UC726460  Triteleia hyacinthina A. A. Heller 1919-6-25 13265 Siskiyou Compton's Prairie Comment
  RSA378019  Triteleia hyacinthina M. B. Dunkle 9345 Siskiyou Klamath National Forest, Marble Mountains. 2439 Comment
  UC1409324  Triteleia hyacinthina Frederick W. Oettinger 1969-8-18 1415 Siskiyou along trail to Horse Range Lake (vicinity English Peak, western Siskiyou County); Salmon Mountains, Marble Mountain Wilderness Area 1767 Comment
  CAS-BOT-BC524321  Triteleia ixioides subsp. anilina L. E. Smith 1913-6-12 360 Siskiyou Sisson Comment
  RSA184702  Tsuga mertensiana Gilbert Muth 1966-8-6 223 Siskiyou Marble Valley near meadow, Marble Mountains. 1793 Comment
  SBBG25348  Tsuga mertensiana J. M. Tucker 1963-7-5 3708 Siskiyou lower Blake's Fk of S Russian Crk (tributary of Salmon River) ca. 7 mi (airline) E of Sawyer's Bar, Salmon Mtns 1524 Comment
  LA6319  Tsuga mertensiana W. B. C.; 1939-8-24 13895 Siskiyou Mount Shasta, around the middle Squaw Valley Creek meadows, between Panther Creek and Mud Creek Canyon 2377 Comment
  HSC44965  Vaccinium cespitosum J. O. Sawyer 1978-6-20 3276 Siskiyou Marble Mtn. Wilderness Area, Hamilton Camp 1829 Comment
  CAS-BOT-BC199229  Vaccinium membranaceum Louis C. Wheeler 1934-8-16 3162 Siskiyou Klamath National Forest. Johnson Dairy 1645 Comment
  CAS-BOT-BC199233  Vaccinium membranaceum Wm. Bridge Cooke 1940-6-6 15032 Siskiyou Along the Castle Lake Road Comment
  CAS-BOT-BC199235  Vaccinium membranaceum Harley P. Chandler 1901-6-1 1577 Siskiyou Near Marble Mountain 2133 Comment
  HSC19369  Vaccinium membranaceum J. O. Sawyer 1968-9-13 712 Siskiyou W of the Happy Camp/O'Brien Rd. between Louse Creek and Indian Creek, on the E slopes of Little Grayback 1463 Comment
  HSC29308  Vaccinium membranaceum Frederick W. Oettinger 1968-9-7 763 Siskiyou Marble Mountain Wilderness Area, E side of Tobacco Lake 1890 Comment
  HSC29347  Vaccinium membranaceum Frederick W. Oettinger 1968-9-7 763 Siskiyou Marble Mountain Wilderness Area, E side of Tobacco Lake 1890 Comment
  RSA238859  Vaccinium membranaceum Frederick W. Oettinger 1969-7-14 1013 a Siskiyou Common around Charmaine Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. Comment
  CAS-BOT-BC199479  Vaccinium parvifolium Doris K. Kildale 1929-7-20 8725 Siskiyou Trail from Elk Lick to Raspberry Lake, Indian Creek 1828 Comment
  UCR38387  Vaccinium uliginosum subsp. occidentale G. R. Ballmer, G. F. Pratt 1985-6-19 s.n. Siskiyou Trinity Mtns, Cedar Lake, WNW of Dunsmuir, c. 1 mi north of Gumboot Lake 1738 Comment
  HSC76881  Valeriana californica K. T. Stillman 1976-6-27 151 Siskiyou Marble Mtn. Wilderness Area. Comment
  HSC61148  Valeriana sitchensis subsp. sitchensis Al Hobart 1968-6-20 Siskiyou El Capitan. Comment
  HSC76701  Valeriana sitchensis subsp. sitchensis K. T. Stillman 1976-8-7 212 Siskiyou Marble Mtn. Wilderness Area. 1951 Comment
  RSA12628  Valeriana sitchensis subsp. sitchensis Carl B. Wolf 1934-7-5 5957 Siskiyou 6.8 miles from Dry Lake Lookout on rd to Horse Creek, Siskiyou Mts. 1829 Comment
  CDA6692  Valerianella locusta F. D. Horn 1978-5-1 Siskiyou Horn Ranch, Etna. 0 Comment
  JEPS83861  Vancouveria chrysantha Wayne Roderick July 1976 Siskiyou along trail to spring vicinity Cook and Green Pass (Siskiyou Mts.); , vicin Cook and Green Pass 1463 Comment
  CAS-BOT-BC76063  Vancouveria hexandra Edward Lee 1934-8-13 1083 Siskiyou Watershed of West Branch of Indian Creek, Happy Camp to Waldo (Oregon) road, Klamath National Forest. 1463 Comment
  HSC45191  Vancouveria hexandra J. O. Sawyer, E. Cope 1977-6-18 2921 Siskiyou Along Clear Creek Trail between Ten Mile Creek and Bear Pen Creek 610 Comment
  HSC68308  Vancouveria hexandra Maralyn A. Renner 1980-7-5 1521 Siskiyou Doe Flat 1220 Comment
  RSA238576  Vancouveria hexandra Frederick W. Oettinger 1967-8-21 306 Siskiyou Northwest of Pine Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1878 Comment
  CAS-BOT-BC527987  Veratrum W. R. Dudley 1909-8-18 s. n. Siskiyou Near Jacksons Lake Comment
  CAS-BOT-BC529104  Veratrum californicum G. J. Muth 1969-8-12 1378 Siskiyou Boreal Meadow, Second Valley 2194 Comment
  UCD13223  Veratrum californicum var. californicum Clyde Byfield 1973-7-3 S 364 Siskiyou Klamath National Forest, beside Kidder Creek, 0.5 mile west of Hayes Cabin on U.S.F.S. trail 11W23. 41 deg 30', 123 deg 07 1554 Comment
  RSA46972  Verbascum thapsus Carl B. Wolf 1927-8-26 1025 Siskiyou Klamath River, 5 miles below Hornbrook. Comment