Search Results — 2000 specimen records retrieved (1408 records with coordinates)
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 Please cite data retrieved from this page: Data provided by the participants of the Consortium of California Herbaria (ucjeps.berkeley.edu/cch_archive/).
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? Specimen ID Determination * Collector Collection Date Collection Number County Locality Elevation in meters Feedback
  CAS-BOT-BC78124  Abies X shastensis Doris K. Kildale 1929-8-24 8842 Siskiyou Preston Peak 2228 Comment
  CAS-BOT-BC78126  Abies X shastensis Gilbert Muth 1966-7-29 132 Siskiyou Forest at Marble Valley, Marble Mt. 1792 Comment
  CAS-BOT-BC78127  Abies X shastensis Alan Bell 1962-7-1 s.n. Siskiyou Mosquito Lake, headwaters of Tangle Blue Creek, tributary of Trinity River, Trinity-Salmon Primitive Area 1981 Comment
  UCD70111  Abies X shastensis D. Sanchez-Mata 1997-9-18 s.n. Siskiyou Shasta-Trinity National Forest. Mount Shasta. John Everitt Memorial Highway. 2300 Comment
  JEPS83902  Abies amabilis Stephen K. Langer with Charles S. Rand 1988-6-20 Siskiyou e drainage of Black Mt.; , Rogue River National Forest 1983 1767 Comment
  RSA237419  Abies amabilis Frederick W. Oettinger 1968-9-5 711 Siskiyou At south end of Diamond Lake. Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2072 Comment
  UC618789  Abies concolor W. B. Cooke 1938-9-2 11599 Siskiyou along Sisson Southern Trail; Mount Shasta, Sisson Southern Trail 1524 Comment
  RSA593944  Abies concolor L. C. Wheeler 1963-9-3 8338 Siskiyou Siskiyou Mountains. Cyclone Gap chrome mine. Comment
  JEPS80586  Abies magnifica var. shastensis Gilbert Muth 1965-7-29 132 Siskiyou Marble Valley , Marble Valley (Marble Mt. Wilderness Area) 1792 Comment
  CAS-BOT-BC331022  Acer glabrum var. glabrum John Thomas Howell 1939-8-5 15069 Siskiyou Spirit Lake, Marble Mts. 1828 Comment
  UC170342  Acer negundo Geo. D. Butler 1908-7-11 1030 Siskiyou Yreka Comment
  HSC2410  Achillea millefolium William J. Ferlatte 1966-8-5 334 Siskiyou Caribou Mtn. 2470 Comment
  JEPS74480  Achillea millefolium W. J. Ferlatte 1966-8-3 247 Siskiyou at, in wooded area near public camp Big Flat; Trinity Alps, Big Flat 1524 Comment
  UC29235  Achillea millefolium T. H. Gilbert Jun 15 1899-Jul 15 1899 Siskiyou Scott River Valley Comment
  CAS-BOT-BC30443  Achillea millefolium K. T. Stillman 1976-7-15 251 Siskiyou Marble Mountain Wilderness 1950 Comment
  HSC36685  Achillea millefolium Brent Whiteley 1975-6-23 45 Siskiyou 223 Comment
  JEPS84209  Achlys triphylla subsp. triphylla L. R. Heckard with S. D'Alcamo, J. Hickman, S. Winchester 1986-7-15 6300 Siskiyou Indian Creek Rd. from Takilma to Happy Camp (just s. of state line) Comment
  UC1026898  Achnatherum hymenoides W. Bridge Cooke 1940-6-4 15001 Siskiyou along the Bolam Road Mount Shasta Comment
  CAS-BOT-BC216923  Achnatherum occidentale John Thomas Howell 1934-7-4 12390 Siskiyou SE corner of the county Comment
  CAS-BOT-BC210862  Achnatherum occidentale subsp. californicum Alice Eastwood 1921-7-29 10949 Siskiyou Medicine Lake Comment
  CAS-BOT-BC210872  Achnatherum occidentale subsp. californicum Wm. Bridge Cooke 1938-7-15 11276 Siskiyou Mount Shasta. Wagon camp-Horse Camp Trail Comment
  CDA28109  Achnatherum occidentale subsp. californicum L. P. Janeway 2002-7-13 7643 Siskiyou Rainbow Mountain Quad; High Cascade Range. Along a logging spur road 0.2 km southeast of Road 13 (Pilgrim Creek Road) 9.0 km northeast of the Military Pass Road (Road 19); 0.2 km north of Edison Creek Comment
  SEINET255883  Achnatherum occidentale subsp. californicum Mary E. Barkworth, L. R. Firestone 1982-8-30 4095 Siskiyou Along roadside Cal 895 to Lassen Volcanic National Park from Weed; plentiful all along road south of Weed 975 Comment
  UCD51225  Achnatherum occidentale subsp. pubescens Roseman 1913-1 s.n. Siskiyou Butte Valley. Comment
  JEPS107345  Achnatherum thurberianum Lowell Ahart, John Dittes 2005-6-9 12027 Siskiyou Hill, south of a rock fence, about 100 yards northeast of where cattle water in the Shasta River, about 3/5 mile (air) south of Highway 99/97 Cutoff, about 2 1/2 miles (air) east-southeast of Grenada 774 Comment
  POM30811  Achyrachaena mollis Geo. D. Butler 1910-5-8 1312 Siskiyou Near Yreka. Comment
  CHSC93524  Acmispon denticulatus Lowell Ahart; John Dittes 2005-6-9 12008 Siskiyou Open 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
  SEINET5327438  Acmispon nevadensis var. nevadensis G. Butler 1910-5-31 1441 Siskiyou dry banks near Yreka Comment
  SBBG71819  Aconitum columbianum A. A. Heller 1927-8-1 14433 Siskiyou State Teachers College, near Shasta City (Sisson) 1074 Comment
  UC853407  Aconitum columbianum A. A. Heller 1915-8-26 12240 Siskiyou Mt. Eddy 1828 Comment
  SEINET4176084 Image available Aconitum columbianum Sally Walker 1983-8-24 Siskiyou Beside Pacific Crest Trail, Mt Eddy 3048 Comment
  CAS-BOT-BC391537  Aconitum columbianum subsp. columbianum John Thomas Howell 1937-7-22 13324 Siskiyou South Fork of Salmon River near Big Flat 1524 Comment
  HSC36  Aconitum columbianum subsp. columbianum William J. Ferlatte 1966-8-3 292 Siskiyou Josephine Lake basin 1677 Comment
  HSC4993  Aconitum columbianum subsp. columbianum J. O. Sawyer 1968-7-10 521 Siskiyou S side of Sugar Creek. 1616 Comment
  HSC17539  Aconogonon davisiae Geo. D. Butler 1908-8-5 187 Siskiyou Summit above Cold Spring, Wooly Creek 1829 Comment
  HSC92956  Aconogonon davisiae Jennifer Whipple 1976-6-12 984 Siskiyou S face of Mount Eddy draining into the N Fork of the Sacramento River 2317 Comment
  CAS-BOT-BC418811  Aconogonon phytolaccifolium L. R. Short 1933-8-7 103 Siskiyou Klamath National Forest. Marble Mt 1792 Comment
  CAS-BOT-BC391707  Actaea rubra Wm. Bridge Cooke 1938-8-19 11530 Siskiyou Mount Shasta. Bear Springs. Also collected at the Sisson Southern Trail Spring (6500 ft) 1524 Comment
  HSC4989  Adenocaulon bicolor J. O. Sawyer 1968-6-18 197 Siskiyou Above S Russian Creek on W side. 1463 Comment
  HSC77785  Adenocaulon bicolor L. P. Janeway 1983-9-11 677 Siskiyou Poker Flat 1524 Comment
  UC61077  Adenocaulon bicolor W. A. Setchell, C. C. Dobie 1902-7-22 Siskiyou Mc Cloud River (The Bend); Mount Shasta, Mc Cloud River (The Bend) Comment
  CHSC71558  Adiantum aleuticum Vernon H. Oswald; Lowell Ahart 1998-8-3 9452 Siskiyou East end of Rock Fence Lake Rd. (USFS 41N18) in the Scott Mtns. East of Kangaroo Lake. 1920 Comment
  HSC46088  Adiantum aleuticum J. P. Smith, Steve Selva 1970-7-15 4349 Siskiyou Klamath National Forest, road to Happy Camp. 732 Comment
  SEINET3868489 Image available Adiantum pedatum J. P. Smith, Steve Selva 1970-7-15 4349 Siskiyou Road to Happy Camp.; 0 732 Comment
  CDA43425  Aegilops cylindrica Dustin Johnson 2015-5-29 PDR# 470 P06027675 Siskiyou Vicinity of Montague. 0 Comment
  UC1183416  Agastache parvifolia P. Quentin Tomich 1954-6-24 424 Siskiyou Lava Beds National Monument; entrance of lava cave Comment
  JEPS25851  Ageratina occidentalis Rimo Bacigalupi with L. Constance and L. Heckard 1960-7-21 7482 Siskiyou 8 mi above and e Somes Bar (along road up Salmon River, at Grants Bluffs); Salmon River, Grants Bluffs 304 Comment
  UC618674  Ageratina occidentalis W. Bridge Cooke 1938-8-24 11580 Siskiyou near (just w) Bolam Creek; Mount Shasta Comment
  RSA45346  Ageratina occidentalis Dorothy Parker 1946-8-18 s.n. Siskiyou Rail Creek 1220 Comment
  CHSC253  Agoseris aurantiaca V. Holt 1943-8-14 Siskiyou Marble mountains. 1828 Comment
  HSC78375  Agoseris aurantiaca L. P. Janeway 1983-9-11 658 Siskiyou Poker Flat 1524 Comment
  RSA238746  Agoseris aurantiaca Frederick W. Oettinger 1967-7-26 193 Siskiyou Occasional on Crapo Peak ridge between the Saddle-trail and summit; hot dry site. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2210 Comment
  POM208366  Agoseris grandiflora Louis C. Wheeler 1934-6-11 2683 Siskiyou North Hungry Creek , Siskiyou Mtns. (Mt Diablo Mer) 1311 Comment
  SEINET6738580 Image available Agoseris grandiflora G. D. Butler 1918-6-10 1555 Siskiyou Near Yreka Comment
  CAS-BOT-BC15382  Agoseris grandiflora var. grandiflora Alice Eastwood 1912-7-17 1171 Siskiyou Sisson Comment
  CHSC33063  Agoseris heterophylla James P. Smith 1973-5-5 6479 Siskiyou Along Cook and Green Pass road. Comment
  HSC67938  Agoseris heterophylla J. P. Smith 1973-5-5 6479 Siskiyou Along Cook and Green Pass Rd. Comment
  CAS-BOT-BC22775  Agoseris heterophylla L. E. Smith 1915-6-1 s.n. Siskiyou Hilt Comment
  UC53885  Agoseris heterophylla var. heterophylla H. M. Hall and E. B. Babcock 1903-6-1 4036 Siskiyou near Dunsmuir; Sierra Nevada Mountains 609 Comment
  UC904779  Agoseris monticola W. Bridge Cooke 1949-8-22 25604 Siskiyou South Gate (Mt. Shasta) Mount Shasta 2590 Comment
  CDA345  Agoseris retrorsa T. C. Fuller 1962-6-11 8957 Siskiyou East side of Hwy 99 to Black Butte Summit, 4.1 miles south of Weed. 0 Comment
  RSA239098  Agrostis idahoensis Frederick W. Oettinger 1968-9-7 765 Siskiyou On the N bank of Tobacco Lake. Salmon Mtns. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1890 Comment
  UCD52988  Agrostis idahoensis L. Whitney 1935-7-15 3519 Siskiyou Bullseye Lake, 2 miles southeast of Medicine Lake. Comment
  CAS-BOT-BC138936  Agrostis pallens Louis C. Wheeler 1934-8-2 3020 Siskiyou Klamath Forest. Jaynes Canyon. 2072 Comment
  CAS-BOT-BC138941  Agrostis pallens Doris K. Kildale 1928-8-19 6515 Siskiyou English Lake, head of north fork of Salmon River. 1828 Comment
  RSA239083  Agrostis pallens Frederick W. Oettinger 1969-8-22 1488 Siskiyou Horse Range Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1768 Comment
  SEINET7594101 Image available Agrostis pallens F. W. Oettinger 1969-1 1456 Siskiyou between King Davids Peak and Abbotts basin, Salmon Mountains 1905 Comment
  CAS-BOT-BC138647  Agrostis stolonifera Alice Eastwood 1921-7-31 s.n. Siskiyou Shasta Springs. Comment
  RSA211225  Agrostis stolonifera William J. Ferlatte 1967-8-17 952 Siskiyou Trinity Alps; Yellow Rose Mine. 1982 Comment
  CAS-BOT-BC138481  Agrostis variabilis John Thomas Howell 1939-8-9 15214 Siskiyou Sky High Valley, Marble Mountains. 1828 Comment
  HSC22463  Agrostis variabilis J. O. Sawyer 1969-8-4 1895 Siskiyou Above S Sugar Lake 2043 Comment
  UC375198  Allium acuminatum Geo. D. Butler 1910-5-17 1357 Siskiyou Yreka hills Comment
  POM110310  Allium acuminatum Geo D. Butler 1910-5-17 1357 Siskiyou Dry hill Yreka. Comment
  CAS-BOT-BC462372  Allium amplectens Elizabeth McClintock; Wayne Roderick; Martha Roderick 1967-7-28 s.n. Siskiyou Gumboot Lake, Trinity Mts. 1828 Comment
  UC609359  Allium campanulatum Eleanor Burks Hart 1938-8-20 940 Siskiyou below Red Cap (upper end of Big Meadow); Big Meadow 2225 Comment
  HSC91449  Allium falcifolium Jennifer Whipple 1976-6-17 1017 Siskiyou N face of Mt. Eddy 2226 Comment
  JEPS47599  Allium falcifolium W. L. Jepson 1902-7-22 2096 Siskiyou Devil's Backbone, on border between Trinity amd Humboldt County Devil's Backbone 1828 Comment
  UCD141852  Allium hoffmanii Alfred H. Murphy 1961-7-20 61 P Siskiyou west of Marble Valley Guard Station, Marble Mountains. 2042 Comment
  HSC86629  Allium obtusum var. obtusum D. K. Imper Jun 1987 Siskiyou 8 mi. E of town of Mt. Shasta 2134 Comment
  CAS-BOT-BC132143  Allium siskiyouense Philip A. Munz 1952-7-2 17898 Siskiyou Baldy Mountain about 6 air-line miles west of Happy Camp, Siskiyou Mts. 1737 Comment
  POM258066  Allium siskiyouense C. L. Hitchcock, JS Martin 1939-7-9 5319 Siskiyou Between King s Castle and Black Mountains, west side of ridge. 1829 Comment
  RSA131708  Allium siskiyouense Lee W. Lenz 1958-6-22 23298 Siskiyou Crest of Siskiou on road from Happy Camp to Cave Jct. (Ore) 1555 Comment
  JEPS61507  Allium validum Willis L. Jepson 1894-8-4 Siskiyou Cedar Spring Mt. Shasta, Cedar Spring Comment
  SBBG21837  Allium validum D. Myrick 1964-7-25 970 Siskiyou Panther Meadows below Ski Bowl Lodge, Mt Shasta 2346 Comment
  CAS-BOT-BC171399  Alnus incana subsp. tenuifolia John Thomas Howell 1937-7-23 13350 Siskiyou South Fork of Salmon River near Big Flat 1524 Comment
  UCD109994  Alnus incana subsp. tenuifolia J. M. Tucker 1963-8-17 3739 Siskiyou In vicinity of cabin, lower Red Rock Valley, Marble Mountain Wilderness Area. 1493 Comment
  CAS-BOT-BC169649  Alnus rhombifolia Elmer I. Applegate 1923-9-5 3936 Siskiyou Klamath River 12 miles below the Pacific Highway Comment
  HSC65131  Alnus rhombifolia J. P. Smith, Steve Selva 1970-7-16 4408 Siskiyou Beaver Creek Campground. 823 Comment
  HSC42237  Alnus viridis subsp. sinuata R. J. Mastrogiuseppe, J. D. Mastrogiuseppe 1974-9-2 159 Siskiyou On both sides of Kidd Creek Comment
  HSC69169  Alnus viridis subsp. sinuata Maralyn A. Renner 1980-8-6 2326 Siskiyou Cracker Meadow 1555 Comment
  HSC2197  Alopecurus aequalis L. C. Wheeler 1934-6-26 2795 Siskiyou Cottonwood Creek 838 Comment
  UC207707  Alopecurus aequalis Geo. D. Butler 1908-10-16 546 Siskiyou Oro Fino Creek Comment
  CAS-BOT-BC138106  Alopecurus aequalis var. aequalis Dorothy Parker 1950-6-21 94 Siskiyou In Scott Valley (Fay Dane). 853 Comment
  CDA376  Alyssum alyssoides G. D. Barbe, T. C. Fuller, J. T. Howell 1980-4-28 2588 Siskiyou Between Old Highway 99 and railroad at Truttman Lane, 3.2 km south of Grenada. Comment
  JEPS54294  Amaranthus californicus Geo. D. Butler 1908-7-16 544 Siskiyou near Yreka (along creek of Butler's ranch) 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
  HSC68381  Amelanchier pallida Maralyn A. Renner 1980-6-26 1207 Siskiyou N edge of Flint Valley 1390 Comment
  RSA211464  Amelanchier pallida William J. Ferlatte 1967-6-5 493 Siskiyou Big Flat. 1524 Comment
  JEPS107482  Amsinckia menziesii var. menziesii Lowell Ahart, John Dittes 2005-6-9 12046 Siskiyou Along the west side of a poor rock fence, about 300 yards east of where cattle water in the Shasta River, about 3/5 mile (air) south of Highway 99/97 Cutoff, about 2 1/2 miles (air) east-southeast of Grenada 774 Comment
  RSA0089706  Amsinckia retrorsa E. K. Balls 1950-5-17 14720 Siskiyou By New Lava Flow, on rd. to Capt. Jack s Stronghold. Lava Beds Nat l Monument. 1585 Comment
  JEPS24619  Anaphalis margaritacea Rimo Bacigalupi with Drs. Reino and Aloha Alava 1958-8-31 6772 Siskiyou in the 1 1/2 mi stretch betw Shasta Rtrt to Mossbrae Falls and Shasta Springs Shasta Retreat; Sacramento River Canon 731 Comment
  JEPS95387  Anaphalis margaritacea Vernon H. Oswald and Lowell Ahart 1994-8-1 6416 Siskiyou 7.8 mi. s.w.of dam at Lake Siskiyou (Forest Rd. 26 paralleling S. Fork Sacramento R., 1.5 mi. e. of Forest Rd. 40N43) 1341 Comment
  RSA696901  Anaphalis margaritacea Leo Miller s.n. Siskiyou Siskiyou Mts. 854 Comment
  UC165413  Ancistrocarphus filagineus Geo. D. Butler 1910-4-27 1244 Siskiyou (dry trodden places) Oro Fino Comment
  UC2062592  Androsace filiformis Belinda Lo with Alex Randolph-Lowe 2017-8-26 357 Siskiyou SISKIYOU COUNTY: Klamath National Forest, about 0.9 miles SSW of Pinto Spring. Comment
  CAS-BOT-BC391793  Anemone deltoidea L. R. Short 1933-8-7 19 Siskiyou Klamath National Forest. Marble Mts. 1798 Comment
  CDA24185  Anemone deltoidea T. C. Fuller 1958-6-18 1819 Siskiyou Summit of Siskiyou Mountains along road between Cave Junction & Happy Camp. 0 Comment
  HSC65508  Anemone deltoidea Rich White 1977-7-21 129 Siskiyou Slope below outlet of Raspberry Lake 1512 Comment
  HSC69330  Anemone deltoidea John Palmer 1980-8-12 753 Siskiyou Road to Bearground Spring from Beaver Creek Rd. 1341 Comment
  JEPS25621  Anemone deltoidea Rimo Bacigalupi with Mr. and Mrs. Van Deventer 1959-7-9 7254 Siskiyou Poker Flat 1536 Comment
  UCD95466  Anemone deltoidea John M. Tucker 1974-7-28 4310 Siskiyou Siskiyou Co.; Marble Mountain Wilderness Area, Camp at Haypress Meadows. 1463 Comment
  UCSB24735  Anemone deltoidea Keefe, Joseph 1967-7-10 Siskiyou Indian Creek Road, 22.2 miles north of Happy Camp 1402 Comment
  CAS-BOT-BC391848  Anemone drummondii L. R. Short 1933-8-6 105 Siskiyou Klamath National Forest. Marble Mts. 1828 Comment
  SEINET12086506  Anemone drummondii H. P. Chandler 1901-1 1676 Siskiyou Marble Mountain 2438 Comment
  UCD95474  Anemone drummondii var. drummondii Robert E. Preston 2001-8-26 1766 a Siskiyou Klamath National Forest, north slope of Rainbow Mountain. 1975 Comment
  HSC22417  Anemone lyallii J. O. Sawyer 1969-6-12 936 Siskiyou Along Duck Lake Creek 1921 Comment
  JEPS17315  Anemone occidentalis unknown 1862-9-16 1419 Siskiyou Mt. Shasta 2438 Comment
  SBBG2109  Anemone occidentalis K. K. Muller 1954-6-24 649 Siskiyou summit Salmon Mtn Pass [Etna Summit], 10 mi NE of Idylwild [Idlewild Cmpgrd] 1798 Comment
Read comments
Jan 28 2015
  CAS-BOT-BC391966  Anemone occidentalis Douglas Barbe; H. K. Wagnon 1957-6-16 13135 Siskiyou North Coast Ranges. Near Summit Scott Mt 1920 Comment
  RSA331951  Anemone occidentalis Walter Wisura 1985-7-31 4085 Siskiyou Mt. Shasta, end of Everitt Memorial Hwy, in Rocky Ravin. Comment
  RSA537380  Anemone occidentalis Walter Wisura, J. Romero 1991-10-16 4592 Siskiyou SW-slopes of Mt. Shasta near Ski bowl. Comment
  JEPS33962  Antennaria argentea Duncan Dunning 1922-6-5 Siskiyou Fort Jones; Moffett Creek Comment
  UC796490  Antennaria argentea Roxana S. Ferris and Laura Lorraine Jun 12 1948-Jun 16 1948 11724 Siskiyou w of, (French Creek Logging Road) Callahan 1066 Comment
  RSA416678  Antennaria argentea M. B. Dunkle 1944-7-7 9089 Siskiyou Deer Creek. 1768 Comment
  UC29469  Antennaria argentea C. B. Bradley 1879-1 Siskiyou Comment
  JEPS125860  Antennaria racemosa Dean W. Taylor 1996-6-26 15748 Siskiyou Marble Mountains; drainage of Kidder Creek; cliffs on deeply incised canyon of Kidder Creek about 2 miles west of Scott Valley Comment
  SJSU6486  Antennaria rosea R. W. Trivelpiece 1972-6-9 100 Siskiyou c. 4 mi E of Grass Lake, west-central Siskiyou County 1524 Comment
  UC336312  Antennaria rosea unknown 1889-6-28 Siskiyou Edgwood Comment
  UCR37827  Antennaria rosea K. T. Stillman 1976-8-7 213 Siskiyou Marble Mountain Wilderness Area [Elk Valley head], Scott Bar 15' Q. 1951 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
  CAS-BOT-BC102273  Anthemis cotula Dorothy Parker 1946-7-20 s.n. Siskiyou Plowman's Valley 1188 Comment
  JEPS83417  Antirrhinum vexillocalyculatum subsp. breweri David M. Thompson 1983-9-10 409 Siskiyou 1.8 n nne Swillup Creek bridge (on Hwy 96, nw side of road near reflector post, across Klamath River from mouth of King Creek); Ukonom Lake Quad. (15', 1955) 341 Comment
Read comments
Apr 24 2015
  CHSC26179  Apocynum androsaemifolium J. P. Kroessig 1977-8-6 62 Siskiyou Ca. 3 km sw of Mt. Shasta City. 1000 Comment
  HSC3206  Apocynum androsaemifolium Geo. D. Butler 1908-8-24 73 Siskiyou Russian Creek 1067 Comment
  HSC65081  Apocynum androsaemifolium J. P. Smith, Steve Selva 1970-6-15 3892 Siskiyou Oak Bottom Campground near Somes Bar. 229 Comment
  JEPS49785  Apocynum androsaemifolium Willis L. Jepson Jul 24 1894-Aug 10 1894 14619 Siskiyou Sisson region of Upper Sacramento, Sisson Comment
  UC1409251  Apocynum androsaemifolium Frederick W. Oettinger 1968-8-19 583 Siskiyou along Tom Taylor Cabin-English Peak trail Crapo Peak; Salmon Mts, High Lake Basins, English Peak vicinity, Marble 2133 Comment
  UC164100  Apocynum androsaemifolium Geo. D. Butler 1908-9-6 78 Siskiyou dry thickets near Yreka Comment
  UCR47855  Apocynum androsaemifolium Steve Morgan 1987-7-28 s.n. Siskiyou Sierra Nevada Mtns, McGinnis Springs, 5 mi NW of McCloud, Shasta-Trinity National Forest, south of Mt. Shasta 1768 Comment
  HSC28654  Apocynum androsaemifolium Frederick W. Oettinger 1968-8-19 583 Siskiyou High Lake Basins, in the vicinity of English Peak Marble Mtn. Wilderness Area, in Crapo Peak along trail between Tom Taylor Cabin and English Peak. 2134 Comment
  UCSB22757  Apocynum androsaemifolium Keefe, Joseph 1967-7-10 Siskiyou Indian Creak Road, 14.8 miles north of Happy Camp 914 Comment
  POM75779  Apocynum androsaemifolium subsp. pumilum Edward Palmer 1892-7-13 2522 Siskiyou Mount Shasta and vicinity Comment
  RSA238024  Apocynum androsaemifolium subsp. pumilum Frederick W. Oettinger 1968-8-19 583 Siskiyou In Crapo Peak meadow, along the Tom Taylor Cabin- English Peak Trail . The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2134 Comment
  UC164094  Apocynum cannabinum Geo. D. Butler 1908-8-1 76 Siskiyou on Forest House rd. Comment
  CAS-BOT-BC397939  Aquilegia formosa Elizabeth McClintock; Wayne Roderick; Martha Roderick 1967-7-28 s.n. Siskiyou Gumboot Lake, Trinity Mts. 1828 Comment
  HSC727  Aquilegia formosa William J. Ferlatte 1967-7-25 722 Siskiyou Caribou Basin 1982 Comment
  CAS-BOT-BC395150  Aquilegia formosa Donald Myrick 1961-6-20 280 Siskiyou Bear Springs, S slope of Mt. Shasta 1676 Comment
  SBBG2098  Aquilegia formosa H. and M. Dearing 1939-7-2 3806 Siskiyou near Salmon 1524 Comment
  RSA12588  Aquilegia formosa var. truncata Carl B. Wolf 1934-7-6 5998 Siskiyou 4.7 miles from Mt. Shasta City on Wagon Camp Road, SW slope of Mt. Shasta 1220 Comment
  POM99545  Aquilegia formosa var. truncata Geo. D. Butler 1908-7-12 1062 Siskiyou Hundrey Mtn Comment
  RSA95067B  Arabis breweri Geo. D. Butler 1910-3-6 1118 Siskiyou Shasta River 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
  HSC22440  Arabis divaricarpa J. O. Sawyer 1969-7-16 1122 Siskiyou SE facing upper slope S of Siphon Lake 2235 Comment
  RSA0126150  Arabis divaricarpa John F. Emmel 1974-7-22 522 Siskiyou Meadows 0.2 air mile N of N end of Lower Wright Lake, Marble Mountain Wilderness Area. 2088 Comment
  SEINET193230  Arabis holboellii var. pinetorum Lincoln Constance, Reed C. Rollins 1942-5-13 2914 Siskiyou Scott River 10 miles southwest of Scott Bar. 610 Comment
  HSC39239  Arabis holboellii var. retrofracta J. P. Smith 1976-5-21 8764 Siskiyou Klamath National Forest, FS Rd. 40N08, 6.9 mi. from its junction with Hwy. 3 1524 Comment
  HSC64660  Arabis holboellii var. retrofracta J. O. Sawyer 1977-7-6 3026 Siskiyou South of Little Duck Lake 2134 Comment
  HSC22439  Arabis holboellii var. retrofracta J. O. Sawyer 1969-7-1 998 Siskiyou SE facing slope above Paynes Lake Creek 1921 Comment
  POM94625  Arabis holboellii var. retrofracta Geo. D. Butler 1910-7-8 1663 Siskiyou Log Lake, Shackleford Creek. 1220 Comment
  HSC92772  Arabis modesta D. L. Goforth 1980-4-23 475 Siskiyou Salmon River at Tripp Creek 351 Comment
  UC673139  Arabis modesta Lincoln Constance and Reed C. Rollins 1942-5-13 2907 Siskiyou 4 mi e Seiad; Klamath-Siskiyou Region, Klamath River 457 Comment
  UC673140  Arabis modesta Lincoln Constance and Reed C. Rollins 1942-5-13 2911 Siskiyou 2 mi nw Scott Bar; Klamath-Siskiyou Region, Scott River 487 Comment
  RSA0129721  Arabis oligantha E. B. Copeland 1903-8-16 3914 Siskiyou Mount Shasta 2439 Comment
  RSA0129719  Arabis platysperma William J. Ferlatte 1967-8-21 1071 Siskiyou Sawtooth Ridge between Caribou Basin and Little South Fork Lake; Trinity Alps. 2287 Comment
  HSC90561  Arabis platysperma var. howellii Jennifer Whipple 1976-7-9 1404 Siskiyou N facing slopes in the Eddy Creek drainage 2226 Comment
  HSC239  Arabis platysperma var. howellii William J. Ferlatte 1967-8-20 1052 Siskiyou Caribou Basin, Sawtooth Ridge 2043 Comment
  HSC90570  Arabis puberula Jennifer Whipple 1976-6-11 961 Siskiyou S face of Mount Eddy draining into the N Fork of the Sacramento River 2195 Comment
  HSC6569  Arabis rectissima W. L. Jepson 1894-7-24 59 Siskiyou Mt. Shasta region, Muir Peak and Upton Plateau, N of Sisson Comment
  UC375283  Arabis subpinnatifida Geo. D. Butler 1909-4-24 685 Siskiyou Greenhorn road Comment
  UC589673  Arabis subpinnatifida Douglas Horn 1938-4-17 28 Siskiyou hills e Etna 883 Comment
  SJSU6267  Aralia californica R. W. Trivelpiece 1971-8-18 72 Siskiyou c. 3.5 mi N of Cecilville on S Fork Salmon River, Salmon River Mts. 1127 Comment
  UCSB24429  Arbutus menziesii Favero, R. 1968-3-28 Siskiyou 2 miles southwest of Hamburg, Calif., on U.S. 96 to Happy Camp, Calif., Klamath Mountains 609 Comment
  UC1034066  Arceuthobium americanum WBC 1941-6-12 16034 Siskiyou Military Pass on ne side of mtn Mt. Shasta 1828 Comment
  SEINET2140102  Arceuthobium californicum R. L. Mathiasen 2003-1 2003 -37 Siskiyou 16 km from St. Rte 96 on forest rd. 14N21 (Killon Mtn. Rd.). 1360 Comment
  JEPS40134  Arceuthobium campylopodum W. L. Jepson July 1894 Siskiyou Sisson Comment
  UC705588  Arceuthobium campylopodum Marion Ownbey and D. H. Brown 1941-6-22 2425 Siskiyou nw Yreka (w of Craggy Mtn) Comment
  UCD101939  Arceuthobium campylopodum D. Sanchez-Mata 1997-9-18 s.n. Siskiyou Mount Shasta-McCloud close to Snowmans Hill. Mount Shasta basis. 1650 Comment
  SEINET2471246  Arceuthobium cyanocarpum R. L. Mathiasen 2007-9-21 2007 -57 Siskiyou Summit of Black Butte 1900 Comment
  SEINET10323138  Arceuthobium douglasii L. C. Wheeler 1934-6-25 2783 Siskiyou Siskiyou Mountains, West Fork of Cottonwood Creek 1372 Comment
  UC1078871  Arceuthobium douglasii Job Kuijt 1957-6-26 1396 Siskiyou rd to Gumboot Lake Trinity Mtns w of Shasta (s fork of the Sacramento River) 1371 Comment
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Jun 7 2012
  UCSB24813  Arceuthobium douglasii Keefe, Joseph 1967-7-11 Siskiyou Cook and Green Pass, north of Seiad Valley 1341 Comment
  RSA237456  Arceuthobium tsugense Frederick W. Oettinger 1969-9-5 1678 Siskiyou Between Abbotts Lake and Wiregrass Meadow. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1677 Comment
  SEINET11989649  Arctostaphylos klamathensis A. Seneres, Edwards, S.; Harold, N. 1982-1 s.n. Siskiyou Terrace Lake 1920 Comment
  CAS-BOT-BC45433  Arctostaphylos nevadensis Doris K. Kildale 1928-7-2 5335 Siskiyou Salmon Summit on Hom Creek Trail. 1981 Comment
  UCD146712  Arctostaphylos nevadensis G. F. Hrusa 1998-7-5 14683 Siskiyou south side of pass on Happy Camp-O' Brien Road around side of State Boundary, above Indian Creek Camp. 750 Comment
  SEINET11989660  Arctostaphylos nevadensis A. Seneres, Harold, N.; Edwards, S. W. 1982-1 s.n. Siskiyou SW grassy spur of Deadwood Peak Comment
  CAS-BOT-BC46492  Arctostaphylos patula Lyman Benson 1929-3-26 1068 Siskiyou Shoulder of Mt. Shasta. Comment
  HSC43388  Arctostaphylos patula Maralyn O'Meara 1974-5-26 465 Siskiyou Chandler Glade along USFS Rd. 47N03 1768 Comment
  SEINET2029610 Image available Arctostaphylos patula Reed C. Rollins, T. S. Chambers 1938-8-15 2722 Siskiyou 3 mi south of Weed 914 Comment
  UC410485  Arctostaphylos patula Mrs. Eric Anderson 1923-4-19 Siskiyou Shasta Spring Comment
  UC630388  Arctostaphylos patula Annetta Carter 1939-8-20 1458 Siskiyou 5.5 mi n Dunsmuir 1005 Comment
  CAS-BOT-BC46439  Arctostaphylos patula C. Hart Merriam 1910-10-2 s.n. Siskiyou Klamath River Loop, 3 or 4 mi. e. of Happy Camp. Comment
  CAS-BOT-BC46488  Arctostaphylos patula W. B. C. 1939-8-4 13803 Siskiyou Along the Sisson Southern Trail. 1524 Comment
  RSA202100  Arctostaphylos viscida Freed W. Hoffman 1948-7-8 2584 Siskiyou North of West Branch Camp. Comment
  CAS-BOT-BC47020  Arctostaphylos viscida subsp. viscida Alice Eastwood 1912-7-20 1250 Siskiyou Horubrook. Comment
  CAS-BOT-BC47098  Arctostaphylos viscida subsp. viscida John Thomas Howell 1980-4-29 53419 Siskiyou Near Cheeseville, Scott Valley. 853 Comment
  JEPS51409  Arenaria congesta var. suffrutescens Geo. D. Butler 1908-8-3 51 Siskiyou Log Lake 1371 Comment
  POM163880  Arenaria congesta var. suffrutescens E. B. Copeland 1903-8-18 3908 Siskiyou Mt. Eddy. 2073 Comment
  UC1299493  Arenaria congesta var. suffrutescens Freed W. Hoffman 1950-7-14 3625 Siskiyou Baldy Mountain North Coast Ranges, Baldy Mountain (western Siskiyou County) Comment
  POM145458  Arenaria congesta var. suffrutescens J. B. Feudge 1927-7-24 1732 Siskiyou Trail to Mt Eddy from Sisson. 1677 Comment
  SD113379  Arenaria nuttallii subsp. gregaria Darley F. Howe 1972-7-4 4868 Siskiyou Sanger Peak Road;Stony hilltop south of Del Norte; Siskiyou County marker on road to Youngs Valley. 1740 Comment
  JEPS22842  Arnica chamissonis A. A. Heller 1938-7-13 15270 Siskiyou 1 mi s Bray 1402 Comment
  SEINET3082314 Image available Arnica cordifolia Harley P. Chandler June 1901 1615 Siskiyou North Coast Ranges. Ridges and meadows near Marble Mountain. 2130 Comment
  UCD129112  Arnica cordifolia Geo. C. Wood 1940-4-30 s.n. Siskiyou 5 miles south of Yreka. Comment
  HSC75631  Arnica dealbata J. O. Sawyer, R. J. Cole 1980-7-21 3823 Siskiyou 0.2 mile east of Medicine Lake Ranger Station; west end of Medicine Lake Comment
  CHSC71562  Arnica discoidea Vernon H. Oswald; Lowell Ahart 1998-8-3 9424 Siskiyou Near the Pacific Crest Trail in the Scott Mtns. west of Kangaroo Lake. 1981 Comment
  HSC46314  Arnica discoidea J. P. Smith, Steve Selva 1970-7-15 4370 Siskiyou 2 mi. below the Baldy Mt. Lookout Station. Comment
  UC1041024  Arnica discoidea J. W. Congdon 1900-8-16 Siskiyou Castle Lake Road Comment
  CAS-BOT-BC82662  Arnica latifolia Doris K. Kildale 1928-7-4 5641 a Siskiyou 3 miles west of summit between Sawyers Bar & Etna Comment
  HSC29113  Arnica latifolia Frederick W. Oettinger, R. F. Thorne 1969-8-6 1256 Siskiyou Marble Mtn. Wilderness Area, above flume in Tom's Lake Basin 1890 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
  CAS-BOT-BC82772  Arnica mollis Gilbert J. Muth 1969-8-11 1359 Siskiyou slope beneath high point of ridge s. of Boulder Peak 2346 Comment
  HSC26911  Arnica mollis J. P. Smith, J. O. Sawyer 1971-9-17 4778 Siskiyou Little Duck Lake Comment
  UC1409283  Arnica mollis Frederick W. Oettinger 1969-8-19 1470 Siskiyou .2 mi due ne of, (high lake basins in vicinity of English Peak) Charmaine Lake; Salmon Mountains, Marble Mountain Wilderness Area 1889 Comment
  UC166159  Arnica mollis Geo. D. Butler 1910-7-13 1773 Siskiyou Shackleford Creek 1219 Comment
  CAS-BOT-BC90079  Arnica ovata John Thomas Howell 1939-8-8 15179 Siskiyou Black Mt., Marble Mts. Comment
  CAS-BOT-BC90083  Arnica viscosa Alice Eastwood 1912-9-1 2055 Siskiyou Mount Shasta Comment
  UC1178563  Arnica viscosa Peter Kamb 1949-8-25 1488 Siskiyou above Horse Camp; Mt. Shasta 2651 Comment
  RSA417444  Artemisia M. B. Dunkle 1945-1 9316 Siskiyou Klamath National Forest, Marble Mountains. 2439 Comment
  CAS-BOT-BC85024  Artemisia arbuscula subsp. arbuscula Gilbert Muth 1966-8-7 504 Siskiyou Marble Mts. 2057 Comment
  SEINET5712658  Artemisia campestris subsp. borealis J. M. Tucker, L. K. Mann; Sandra L. Holloway 1963-1 3750 Siskiyou Southwestern ridge of Black Mountain (Black Marble Mountain), Marble Mountain Wilderness Area.; Marble Mountain Wild. Area 2134 Comment
  SEINET516319  Artemisia cana subsp. bolanderi Vernon H. Oswald 1998-9-16 9628 Siskiyou Butte Valley National Grassland near the junction of Meiss Lake-Smas Neck Rd. and Hwy. 97 ca. 5 mi N of Macdoel. 1295 Comment
  CAS-BOT-BC90479  Artemisia douglasiana John Thomas Howell 1939-8-8 15147 Siskiyou Black Mt., Marble Mts. Comment
  CAS-BOT-BC90483  Artemisia douglasiana Alice Eastwood 1917-9-2 6671 Siskiyou Shasta Springs Comment
  HSC28251  Artemisia douglasiana J. P. Smith, J. O. Sawyer 1971-9-18 4816 Siskiyou 1.2 mi. W of junction of Hwy. 3 and Rd. 8, N of Callahan. Comment
  CAS-BOT-BC93709  Artemisia norvegica subsp. saxatilis Annetta Carter 1939-8-21 1471 Siskiyou Steep slope above southeast end of Taylor Lake, 12 miles southwest of Etna, Salmon Mountains 2194 Comment
  JEPS94835  Asclepias fascicularis Vernon H. Oswald and Lowell Ahart 1998-9-8 9601 Siskiyou Julia Glover Flat on USFS 3 ca. 6 air mi w of Mosquito Lake and Whitehorse Flat Reservoir Mosquito Lake; Julia Glover Flat on USFS 3 1112 Comment
  HSC3731  Asclepias fascicularis C. B. Wolf 1927-8-26 1056 Siskiyou Klamath River, 3 mi. below Gottenville Comment
  SEINET12283214  Asclepias fascicularis M. Ownbey, Meyer, F. G. 1940-1 2170 Siskiyou Border of meadow along Ditch Creek, near Hornbrook Comment
  SEINET10913619  Asclepias speciosa K. Bridwell 1978-7-5 Bridwell 164 Siskiyou Along county dirt road between the Tablelands and Mahogany Ridge, ca 18 mi S of Klamath Falls, Ore., and 3 mi NE of Dorris, Calif. 1244 Comment
  CDA42728  Aspidotis densa D. Janssen & F. D. Horn 1978-6-5 s.n. Siskiyou Summit of Indian Creek to O Brien Road, near Happy Camp. 0 Comment
  POM58123  Aster eatonii E. B. Copeland 1903-8-13 3821 Siskiyou Sisson. 1067 Comment
  RSA184625  Aster intermedius Clare B. Hardham 1965-08 13003 Siskiyou Near Cudahy Lakes, Marble Mountains. Paso Robles. Comment
  POM41384  Aster radulinus Geo. D. Butler 1910-7-20 1729 Siskiyou Goosenest foothills 1524 Comment
  HSC14547  Astragalus californicus Dorothy Parker 1948-6-14 Siskiyou Rail Creek, Plowman's Valley, E fork of Scott River drainage. 1204 Comment
  CAS-BOT-BC178806  Astragalus californicus T. S. Brandegee 1887-6-1 s.n. Siskiyou Near Yreka Comment
  CAS-BOT-BC178814  Astragalus californicus L. E. Smith 1915-5-30 s.n. Siskiyou Weed Comment
  HSC99986  Astragalus californicus Thomas W. Nelson 2005-7-16 9377 Siskiyou Along F. S. Rd. 42N16. 1337 Comment
  RSA0006721  Astragalus californicus R. C. Barneby 1954-5-16 11510 Siskiyou Klamath River canyon 1-1/2 iles below Klamath River Post Office. 473 Comment
  RSA90176  Astragalus lentiginosus var. salinus F. W. Peirson 1923-7-19 3602 Siskiyou From Lairds Landing to Bray. Comment
  UC164061  Astragalus purshii var. tinctus Geo. D. Butler 1909-5-8 708 Siskiyou dry hills near Yreka; near Yreka Comment
  HSC71340  Astragalus whitneyi var. siskiyouensis J. P. Smith 1974-5-26 7384 Siskiyou Along FS Rd. 47N03 1524 Comment
  HSC81526  Astragalus whitneyi var. siskiyouensis Thomas W. Nelson, Jane P. Nelson 1980-7-17 6071 Siskiyou Along FS Rd. 17, 1 mi. N of summit at county line 2073 Comment
  CAS-BOT-BC199150  Astragalus whitneyi var. siskiyouensis W. R. Dudley 1899-8-26 s.n. Siskiyou Slope of Mt. Eddy. Comment
  HSC27968  Asyneuma prenanthoides Carl W. Mize 1972-8-17 103 Siskiyou S of Gates Creek 488 Comment
  CAS-BOT-BC69571  Athyrium alpestre subsp. americanum W. B. C. 1938-9-8 11617 Siskiyou Panther Creek Glacial Meadow, Mount Shasta. More common near Horse Camp. 2590 Comment
  HSC29371  Athyrium distentifolium var. americanum Frederick W. Oettinger 1969-8-21 1476 Siskiyou Marble Mtn. Wilderness Area, Ethel Lake 1738 Comment
  HSC973  Athyrium distentifolium var. americanum Dorothy Parker 1949-7-10 332 Siskiyou Green Meadow near Paradise Lake, Salmon Mtn. 1982 Comment
  RSA126271  Athyrium filix-femina subsp. cyclosorum I. L. Wiggins 1955-7-24 13500 Siskiyou Trail at crossing of China Creek, above diversion dam Comment
  CAS-BOT-BC17614  Athysanus pusillus L. E. Smith 1913-5-28 311 Siskiyou Yreka. 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
  CAS-BOT-BC17617  Athysanus pusillus Alice Eastwood 1920-5-18 11820 Siskiyou Shasta Springs. Comment
  CDA10485  Balsamorhiza hookeri F. D. Horn 1978-4-27 Siskiyou End of Litchens Road, Montague. 0 Comment
  RSA692606  Balsamorhiza hookeri var. lagocephala D. W. Taylor 1996-6-18 15696 Siskiyou Scott Mountains; bordering Shasta Valley, hillslopes about 4 miles south of Gazelle; Shasta-Trinity National Forests 1250 Comment
  SEINET10615492 Image available Balsamorhiza hookeri var. lanata Edward L. Greene 1876-5-2 Greene 745 Siskiyou Comment
  UC912516  Balsamorhiza lanata Herbert L. Mason 1929-5-18 5330 Siskiyou Yreka Comment
  HSC60836  Barbarea orthoceras Ruby Van Deventer 1960-7-7 Siskiyou Bell Echo Camp in Youngs Valley Comment
  UC375287  Barbarea orthoceras Geo. D. Butler 1910-7-7 1659 Siskiyou Shackelford Creek 1219 Comment
  RSA210843B  Bassia hyssopifolia R. F. Thorne, J. Henrickson, C. W. Tilforth 1969-9-3 39042 Siskiyou 2 miles W of Lower Klamath National Wildlife Refuge 1296 Comment
  CAS-BOT-BC75720  Berberis nervosa Louis C. Wheeler 1934-6-29 2822 Siskiyou Klamath Forest. Soda Creek. 1280 Comment
  HSC69087  Berberis nervosa Maralyn A. Renner 1980-7-24 2120 Siskiyou Pacific Crest Trail, 0.25 mi. SW of Cook and Green Pass. 1494 Comment
  JEPS82698  Berberis nervosa Wayne Roderick 1984-6-7 Siskiyou sw Streart Springs (Cabin Meadow) 1935 Comment
  CAS-BOT-BC75919  Berberis piperiana Doris K. Kildale 1929-4-27 7583 Siskiyou Cecilville upper South Fork of Salmon River. Comment
  UC165417  Berula erecta Geo. D. Butler 1910-8-13 1838 Siskiyou Oro Fino Comment
  HSC68580  Betula occidentalis Maralyn A. Renner 1980-6-23 972 Siskiyou W Fork Seiad Creek 878 Comment
  UC5392  Betula occidentalis W. A. Setchell, C. C. Dobie 1902-7-15 Siskiyou Sisson Mount Shasta Comment
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1
  CAS-BOT-BC413077  Bistorta bistortoides H. A. Thomas; J. H. Thomas 1954-7-24 4496 Siskiyou Salmon - Trinity Mts. Vicinity of Rush Lake and Rush Creek Meadow. About 9 miles E of Cecilville 1981 Comment
  CHSC88093  Bistorta bistortoides Jenny Marr 1993-7-1 103 Siskiyou Butte Valley Wildlife Area, +/- 7 air miles NW of the town of MacDoel. Meadow NW of Meiss Lake. 1349 Comment
  HSC82282  Blepharipappus scaber Thomas W. Nelson, Jane P. Nelson 1979-6-15 4801 Siskiyou Along road to Carmen Lake, 0.6 mi. from junction with State Route. 1646 Comment
  SEINET12783915  Boechera breweri subsp. shastaensis D. W. Taylor 1996-5-30 15645 Siskiyou Hill summit just north of Wanaka Spring, Iron Gate Reservoir (about 20 miles east of Yreka, Klamath National Forest 914 Comment
  JEPS84108  Boechera divaricarpa L. R. Heckard with J. Hickman et al. 1986-7-17 6549 Siskiyou ca 1 mi ne Buckhorn 2100 Comment
  JEPS40879  Boechera howellii Paul C. Hutchison 1962-8-2 942 Siskiyou between top of ski lift and Panther Meadow; Mt. Shasta 2743 Comment
  LA204400  Boechera howellii L. Ellison; 1928-9-11 509 Siskiyou Mt Shasta 2743 Comment
  CAS-BOT-BC14110  Boechera pauciflora Alice Eastwood 1923-5-18 11826 Siskiyou Shasta Springs. Comment
  UC455728  Boechera platysperma I. J. Condit 1911-7-22 Siskiyou Horse Camp Mt. Shasta 2438 Comment
  CAS-BOT-BC14411  Boechera platysperma R. E. Frenkel 1964-10-2 921 Siskiyou In Panther Meadow Campground near Mount Shasta. 2377 Comment
  CAS-BOT-BC14665  Boechera rectissima Alice Eastwood 1912-7-19 1231 Siskiyou Mount Shasta. Comment
  CAS-BOT-BC25420  Boechera retrofracta Doris K. Kildale 1929-4-27 7855 Siskiyou Upper South Fork of Salmon River. Cecilville. Comment
  CAS-BOT-BC25608  Boechera retrofracta Reed Rollins 1940-7-26 15365 Siskiyou Mount Shasta. Along Diller Canyon. 1828 Comment
  UC1409430  Boechera retrofracta Frederick W. Oettinger 1969-7-11 922 Siskiyou Near Half-way Spring, trail from English Lake to Diamond Lake, Salmon Mountains, Marble Mountain Wilderness Area, English Peak. 1828 Comment
  CAS-BOT-BC25793  Boechera stricta Maxine Wilkes 1940-8-1 s.n. Siskiyou Marble Mountains. Deep Lake. Comment
  UC166605  Boechera stricta Geo. D. Butler 1910-7-8 1664 Siskiyou Log Lake Shackleford Creek 1219 Comment
  CAS-BOT-BC25881  Boechera subpinnatifida John Thomas Howell; T. C. Fuller; G. D. Barbe 1980-4-29 53440 Siskiyou 7 miles east of Callahan on road to Gazelle. 1173 Comment
  CAS-BOT-BC25874  Boechera subpinnatifida George Dexter Butler 1909-4-8 587 Siskiyou Humbug Mountain. Comment
  CAS-BOT-BC25929  Boechera suffrutescens John Thomas Howell 1937-7-24 13379 Siskiyou Salmon-Trinity Alps. Caribou Basin. 2286 Comment
  HSC46107  Boschniakia strobilacea J. P. Smith 1973-5-5 6464 Siskiyou Along Cook and Green Pass Rd. Comment
  UC165931  Boykinia major Geo. D. Butler 1908-8-2 217 Siskiyou Shackleford Creek Comment
  CDA3601  Brassica rapa T. C. Fuller 1964-6-25 12249 Siskiyou Tulelake National Wildlife Refuge ca. 6 miles southwest of Tulelake. 0 Comment
  SJSU6077  Brickellia grandiflora R. W. Trivelpiece 1971-8-11 67 Siskiyou near Grass Lake, 4.5 mi N of Sheep Rock, eastern Siskiyou County 1905 Comment
  JEPS15325  Brickellia greenei Alice Eastwood 1912-8-28 1956 Siskiyou Cantara Comment
  UC337864  Brodiaea elegans subsp. elegans unknown 1889-7-26 Siskiyou Edgwood Comment
  RSA603844  Bromus berteroanus L. C. Wheeler 1935-5-7 3468 Siskiyou Klamath River at Ash Creek. 610 Comment
  HSC103049  Bromus carinatus var. carinatus J. P. Smith 2014-6-7 13907 Siskiyou Along Forest Service Road 40N08, east of State Route 3 1687 Comment
  JEPS69179  Bromus carinatus var. carinatus Geo. D. Butler 1909-6-13 832 Siskiyou Moffitt Creek Comment
  JEPS80609  Bromus carinatus var. carinatus Gilbert Muth 1966-7-22 434 Siskiyou meadow below Marble Rim (Marble Mountain Wilderness Area); Marble Mountain Wilderness Area 2011 Comment
  UC1265360  Bromus carinatus var. carinatus F. W. Oettinger 1969-9-1 1576 Siskiyou to Dry Lake, Salmon Mountains, western Siskiyou County Dry Lake; Salmon Mountains, Dry Lake 2133 Comment
  UC1483565  Bromus carinatus var. carinatus J. Sawyer and J. Cole 1980-7-21 3855 Siskiyou n of F.S. Road 44N01 (near intersection with road to Lava Camp, Klamath National Forest); Klamath National Forest 1676 Comment
  CAS-BOT-BC148792  Bromus carinatus var. marginatus Elmer I. Applegate 1935-6-10 9480 Siskiyou South slope of Caldwell Butte. Lava Beds National Monument. Comment
  POM216038  Bromus diandrus L. C. Wheeler 1935-5-7 3469 Siskiyou Klamath River at Ash Creek 610 Comment
  JEPS107456  Bromus japonicus Lowell Ahart, John Dittes 2005-6-9 12009 Siskiyou Pasture field, on the east side of a poor rock fence, about 300 yards east of where cattle water in the Shasta River, about 3/5 mile (air) south of Highway 99/97 Cutoff, about 2 1/2 miles (air) east-southeast of Grenada 774 Comment
  RSA239067  Bromus marginatus Frederick W. Oettinger 1969-8-13 1351 Siskiyou Southeast ridge of English Peak. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2134 Comment
  CAS-BOT-BC162132  Bromus orcuttianus W. R. Dudley 1899-8-15 s.n. Siskiyou Toward Black Fox. Comment
  CAS-BOT-BC185601  Bromus tectorum A. A. Heller 1905-6-9 8012 Siskiyou Montague. Comment
  HSC43112  Bromus tectorum Maralyn O'Meara 1974-5-25 365 Siskiyou Along Rd. 8, 0.9 mi. from its junction with Hwy. 3 976 Comment
  HSC9354  Bromus tectorum R. C. Wunner 1965-6-6 68 Siskiyou California Lava Beds National Monument, Indian Well Campground 1433 Comment
  UC909361  Bromus tectorum Ira L. Wiggins 1950-5-27 12356 Siskiyou east fork of Scott River, at Callahan Ranger Station Callahan Ranger Station; Scott River, Callahan, Callahan Ranger Station 975 Comment
  UCD59847  Bromus tectorum R. Tofsrud 1947-6-24 37 Siskiyou Near Gazelle. Comment
  CAS-BOT-BC185266  Calamagrostis koelerioides John Thomas Howell 1937-7-25 13451 Siskiyou Caribou Basin, Salmon Trinity Alps. 2286 Comment
  RSA238372  Calamagrostis koelerioides Frederick W. Oettinger, Robert F. Thorne 1969-8-4 1183 Siskiyou north of Tobacco Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1890 Comment
  UC816584  Calamagrostis koelerioides A. A. Heller 1915-8-26 12243 Siskiyou Mt. Eddy; n side Comment
  SEINET3924380  Calamagrostis koelerioides Jennifer J. Whipple 1976-9-3 1775 Siskiyou Weed quad. Scree slopes near Little Crater Lake.; 0 2195 Comment
  CAS-BOT-BC112320  Calliscirpus criniger Ira L. Wiggins 1955-7-27 13553 Siskiyou Caribou Lake, Salmon-Trinity Alps Primitive Area. 2042 Comment
  HSC49916  Calocedrus decurrens Maralyn O'Meara 1974-5-25 396 Siskiyou Along road to Duck Lakes trail 1402 Comment
  RSA352871  Calocedrus decurrens B. C. Templeton 1969-9-5 11425 Siskiyou About 2 miles northwest of the town of Mt. Shasta 1090 Comment
  UC813615  Calocedrus decurrens A. A. Heller 1915-8-26 12254 Siskiyou at the foot Mt. Eddy (Metcalf's Ranch) 1188 Comment
  NY18936  Calocedrus decurrens H. E. Brown 1897-7-1 507 Siskiyou This specimen represents an endangered or threatened species. The specific locality has been removed from this record to protect this species from over-collection. These data may be supplied to researchers on request. Comment
  HSC26554  Calochortus coeruleus D. H. Norris, Thomas W. Nelson, S. Dowty 1971-6-23 19526 Siskiyou Snowman's Hill Summit 3 mi. W of McCloud on Hwy. 89 Comment
  CAS-BOT-BC132416  Calochortus greenei Marion Ownbey; D. H. Brown 1941-6-24 2431 Siskiyou About half way up south side of Black Mountain, north-east of Yreka Comment
  CAS-BOT-BC132456  Calochortus persistens Frank Callahan 2007-6-18 s.n. Siskiyou Little Cottonwood Peak. Ca. 13 miles south of the Oregon State Line Comment
  HSC44909  Calochortus tolmiei J. P. Smith 1973-5-5 6375 Siskiyou In and around the O'Neill Campground near Seiad Valley. 488 Comment
  UC337923  Calochortus tolmiei unknown Siskiyou near Shasta Comment
  CAS-BOT-BC494023  Calochortus tolmiei W. B. C. 1938-7-1 11154 Siskiyou Above Bear Spring( Transition) 1600 Comment
  SJSU2575  Calochortus tolmiei H. L. Buckalew 1962-7-9 Siskiyou near Poker Flat c. 4 mi W of junction of Indian Creek with W Fork Indian Creek, Siskiyou Mts 1066 Comment
  CAS-BOT-BC181510  Caltha leptosepala A. A. Heller 1915-7-15 12080 Siskiyou Mt. Eddy 2072 Comment
  RSA0120952  Caltha leptosepala James P. Smith 1974-5-26 7538 Siskiyou Chandler Glade on Forest Service Road 47N03. 1768 Comment
  CHSC1436  Caltha leptosepala var. biflora V. Holt 1932-7-10 Siskiyou Mt. Eddy. 1524 Comment
  UC595108  Calycadenia fremontii David D. Keck 1938-8-7 4851 Siskiyou Schoolhouse Hill, 5.5 mi ne of Callahan, on road to GAzelle 1100 Comment
  CDA23945  Calyptridium umbellatum T. C. Fuller 1962-6-13 8980 Siskiyou Big Sand Flat, road to Medicine Lake, 7 miles north of Bartle. 0 Comment
  CAS-BOT-BC221257  Calystegia malacophylla subsp. malacophylla Elizabeth McClintock; Wayne Roderick; Martha Roderick 1967-7-28 s.n. Siskiyou Gumboot Lake, Trinity Mts. 1828 Comment
  POM208190  Calystegia occidentalis subsp. occidentalis L. C. Wheeler 1934-6-28 2817 Siskiyou Little Soda Creek, Sterling Mt. 1067 Comment
  UC1096786  Camelina microcarpa Milo S. Baker 1957-6-15 13102 Siskiyou just s of Weed (Northern Coast Ranges); Northern Coast Ranges Comment
  CAS-BOT-BC36991  Camelina microcarpa L. E. Smith 1913-6-12 351 Siskiyou Sisson. Comment
  CDA3583  Camelina microcarpa F. Wallier 1961-5-1 Siskiyou R. Collier, Yreka. 0 Comment
  HSC6617  Camelina microcarpa W. L. Jepson 1940-6-23 19984 Siskiyou ca. 2 mi. E of Montague 823 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
  POM67613  Campanula prenanthoides Edward Palmer 1892-7-13 2511 Siskiyou Mt. Shasta and vicinity. Comment
  RSA211339  Campanula prenanthoides William J. Ferlatte 1966-8-18 420 Siskiyou Trinity Alps. Along the South Fork of the Salmon River between the campground and Carter's. 1524 Comment
  SEINET10463097  Campanula prenanthoides Muth 1979-8-10 MUTH 13329 Siskiyou Near Little Mill Creek, on the Etna quadrangle; close to the town of Callahan, granitic 1707 Comment
  POM299525  Campanula prenanthoides Marion Ownbey, Fred G. Meyer 1940-7-4 2171 Siskiyou Siskiyou Mts. Northwest of Hornbrook. Comment
  SEINET10462907  Campanula prenanthoides Davy 1899-6-27 DAVY 5889 Siskiyou WEITCHPEC, ON BANKS OF KLAMATH R. Comment
  SEINET10463090  Campanula prenanthoides Howell 1937-7-26 Howell 13561 Siskiyou Between Big Flat and Caribou Gulch Comment
  UC195255  Campanula scabrella Annie M. Alexander and Louise Kellogg 1911-8-14 329 Siskiyou Mt Eddy Comment
  CHSC178  Campanula scouleri V. Holt 1932-7-13 Siskiyou Nixon's Camp, Mt. Shasta. 670 Comment
  SEINET10463570  Campanula scouleri Clifton 1975-7-29 CLIFTON s.n. Siskiyou STREAMSIDE, NR. COPPER BUTTE, SEIAD V. QUAD. NR SEIAD V. 1414 Comment
  SEINET10463678  Campanula scouleri Brown 1897-6-11 Brown 398 Siskiyou N. SIDE MT. SHASTA 1524 Comment
  SEINET10905938  Campanula scouleri Edward L. Greene 1876-8-22 Greene 1010 Siskiyou SCOTT MOUNTAIN 1829 Comment
  JEPS53833  Campanula shetleri Wayne Roderick 1967-9-1 Siskiyou Little Castle Lake; n-facing granite cliffs 1828 Comment
  HSC66249  Campanula wilkinsiana Maralyn A. Renner 1980-8-21 2538 Siskiyou Kidd Creek 2043 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
  UC855731  Capsella bursa-pastoris A. A. Heller 1916-6-20 12417 Siskiyou ne base of Mount Eddy, Metcalf's Ranch Mount Eddy; , Metcalf's Ranch 1188 Comment
  CAS-BOT-BC37233  Cardamine bellidifolia Reed Rollins 1938-7-21 11306 Siskiyou Mount Shasta. Between Horse Camp and Panther Creek Comment
  RSA120725  Cardamine californica var. integrifolia S. S. Tillett 1956-7-9 663 Siskiyou Little Carmen Lake, n. side of Scott Mtn. Siskiyou-Trinity cos. line, ca. 8 mi. se. of Callahan 1829 Comment
  UC166131  Cardamine cordifolia var. lyallii Geo. D. Butler 1908-8-8 132 Siskiyou Marble Valley Comment
  CAS-BOT-BC37795  Cardamine nuttallii George Dexter Butler 1910-4-1 1152 Siskiyou Humbug Mountain. Comment
  CAS-BOT-BC19769  Carex abrupta John Thomas Howell 1939-8-8 15190 Siskiyou Marble Mountains. Black Mountain. Comment
  CAS-BOT-BC19772  Carex abrupta K. T. Stillman 1976-7-15 257 Siskiyou Marble Mountain Wilderness Area. 1950 Comment
  RSA237310  Carex abrupta Frederick W. Oettinger 1968-9-5 727 Siskiyou Stream near campsite, SE side of Hancock Lake. Salmon Mtns. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1890 Comment
  CAS-BOT-BC17860  Carex amplifolia H. A. Thomas; J. H. Thomas 1954-7-21 4418 Siskiyou Salmon-Trinity Mountains. About 6 miles southeast of Cecilville. West side of Rush Creek. 1158 Comment
  HSC45543  Carex amplifolia J. P. Smith, J. O. Sawyer, Maralyn O'Meara 1972-7-4 Siskiyou 0.9 mi. S of Sugar Creek on Parrott Mill Rd. 1341 Comment
  CHSC40184  Carex aquatilis var. aquatilis L. P. Janeway 1982-8-21 167 Siskiyou From the upper Twin Valley meadow. 1584 Comment
  UCD140137  Carex athrostachya Herbert L. Mason 1948-7-18 13610 Siskiyou Grass Lake. Comment
  HSC61112  Carex bolanderi Ruby Van Deventer Aug 1955 Siskiyou FS 17N04, road to Doe Flat 1220 Comment
  HSC76801  Carex bolanderi L. P. Janeway 1982-7-9 50 Siskiyou Along Hwy. 96, just S of Wilson Creek 335 Comment
  HSC76802  Carex bolanderi L. P. Janeway 1982-7-18 84 Siskiyou Next to SW-flowing tributary to Green Creek, 1/4 mi. N of the upper junction of FS 19N07 and FS 18N24 along FS 19N07 1341 Comment
  CAS-BOT-BC19662  Carex brainerdii J. Major 1961-7-14 646 Siskiyou Mount Shasta. Along Mud Creek. 1828 Comment
  JEPS116609  Carex brainerdii Julie Kierstead 1997-5-13 97009 Siskiyou Mt. Shasta Rnger District. Parks Creek Road 1 mile above junction with 42N19, 6 miles west of Weed. 1463 Comment
  JEPS25574  Carex breweri Rimo Bacigalupi with George Bacigalupi Jr. 1959-7-1 7199 Siskiyou on moraine between ice and snow fields, near head of ski lift above Mount Shasta Ski Bowl Lodge; southwestern slopes of Mount Shasta 2834 Comment
  CAS-BOT-BC34382  Carex cusickii W. J. Ferlatte 1966-8-2 234 Siskiyou Trinity Alps. Big Flat Hillside. Between campground and South Fork of the Salmon River. 1524 Comment
  RSA237266  Carex deflexa var. boottii Frederick W. Oettinger, Robert F. Thorne 1969-8-6 1227 Siskiyou Southeast of Pine Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1905 Comment
  SEINET7556603 Image available Carex deflexa var. boottii Unknown 1969-8-6 1227 Siskiyou Salmon Mountains The high lake basins in the vicinity of English Peak Marble Mountains Wilderness Area. Southwest of Pine Lake. 1905 Comment
  CHSC38998  Carex echinata subsp. echinata J. D. Jokerst 1983-7-5 1822 Siskiyou Atkin's Meadow in its NE corner. Ca 15 mi E of McCloud. Comment
  HSC29642  Carex fracta Frederick W. Oettinger 1969-8-16 1393 Siskiyou Marble Mtn. Wilderness Area, SW of Wiregrass Meadow above English Lake. 1677 Comment
  JEPS121602  Carex hassei Danielle Roach 2011-9-15 Siskiyou Tamarack Flat, north of Mt. Eddy. Flat meadow on ultramafic soil. South China Mountain quadrangle. TF1_B Comment
  CAS-BOT-BC7826  Carex inops subsp. inops J. W. Stacey 1940-7-12 15333 Siskiyou Along the Memorial Highway. 1371 Comment
  CAS-BOT-BC7616  Carex interior Elmer Ivan Applegate 1895-5-28 785 Siskiyou Sisson, Strawberry Valley. Comment
  UC1265331  Carex laeviculmis Frederick W. Oettinger 1969-8-19 1458 Siskiyou Abbott's Basin Salmon Mountains, Marble Mountain Wilderness Area 1905 Comment
  CAS-BOT-BC482439  Carex lenticularis var. impressa Dana York 2010-9-11 3012 Siskiyou Six Rivers Naitonal Forest, NE slope of Broken Rib Mountain 1670 Comment
  CAS-BOT-BC28432  Carex lenticularis var. lipocarpa John Thomas Howell 1937-7-22 13255 Siskiyou South Fork of Salmon River near Big Flat. 1524 Comment
  CHSC96452  Carex luzulina Gordon Leppig; Jennifer Kalt 1996-7-9 354 Siskiyou Klamath National Forest. Russian Wilderness, Little Duck Lake Fen. In cirque west of Little Duck Lake. UTM Zone 10 NAD 1927, 503813E, 4572466N. 2200 Comment
  HSC39300  Carex luzulina J. O. Sawyer 1969-7-18 1417 Siskiyou Head of S Russian Creek 1829 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
  HSC33316  Carex multicostata William J. Ferlatte 1974-7-14 1524 Siskiyou Big Flat, near South Fork of Salmon River, campground 1524 Comment
  RSA211375  Carex multicostata William J. Ferlatte 1966-6-22 115 Siskiyou Josephine Lake basin; Trinity Alps. 1677 Comment
  UCD77459  Carex nervina Robert E. Preston 2001-6-23 1542 Siskiyou Klamath National Forest, n slope of Rainbow Mtn. 1706 Comment
  CAS-BOT-BC119644  Carex nigricans John Thomas Howell 1937-7-25 13487 Siskiyou Caribou Basin, Salmon-Trinity Alps. 2286 Comment
  UC1265348  Carex nigricans Frederick W. Oettinger 1969-9-2 1600 Siskiyou n side English Peak; Salmon Mountains, Marble Mountain Wilderness Area 2164 Comment
  CAS-BOT-BC119211  Carex pachystachya H. A. Thomas; J. H. Thomas 1954-7-24 4515 Siskiyou Salmon-Trinity Mts. Vicinity of Rush Lake and Rush Creek Meadow. Ca 9 mi E of Cecilville. 1981 Comment
  CHSC82805  Carex pachystachya L. P. Janeway 2002-7-12 7624 Siskiyou High Cascade Range. 3.5 km south of the top of Ash Creek Butte; 0.2 km southwest of Road 19 (Military Pass Road); 0.6 km north-east of confluence of Ash Creek and Brewer Creek. 1573 Comment
  HSC76949  Carex pachystachya K. T. Stillman 1976-7-15 257 Siskiyou Marble Mtn. Wilderness Area 1951 Comment
  CAS-BOT-BC118776  Carex preslii John Thomas Howell 1937-7-29 13674 Siskiyou North side of Scott Mt. Comment
  HSC703  Carex preslii William J. Ferlatte 1967-8-23 1094 Siskiyou Head of Kidd Creek 2134 Comment
  CAS-BOT-BC118787  Carex preslii Rimo Bacigalupi 1959-7-10 7300 Siskiyou In meadow at Twin Valley, Siskiyou Mts., just E of Del North County line. 1493 Comment
  RSA238933  Carex preslii Frederick W. Oettinger, Robert F. Thorne 1969-8-5 1203 Siskiyou Willow Spring, between English Lake and Abbott s. Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1677 Comment
  HSC91376  Carex raynoldsii Jennifer Whipple 1978-10-6 2437 Siskiyou Dale Creek drainage on N face of Mt. Eddy. 2195 Comment
  UC1540261  Carex raynoldsii Dean W. Taylor 1987-6-26 9064 Siskiyou 2 mi se Medicine Lake (near head of easternmost spring); Paynes Springs 1996 Comment
  CHSC53536  Carex rossii L. P. Janeway 1983-8-13 535 Siskiyou Flat on S side of and above S Fk Indian Cr. 1463 Comment
  CHSC53659  Carex rossii L. P. Janeway; Gary Benson, Randy Harrison 1984-8-20 1056 A Siskiyou On cinder cone SW of Undertakers Camp. 2087 Comment
  HSC71110  Carex scabriuscula Thomas W. Nelson, Jane P. Nelson, J. P. Smith 1978-7-24 4499 Siskiyou Along W side of Hwy. 3 just N of Scott Mtn. Summit 1616 Comment
  HSC91263  Carex scopulorum Jennifer Whipple 1976-6-16 1013 Siskiyou Dale Creek Drainage on the N face of Mt. Eddy 2195 Comment
  CAS-BOT-BC118224  Carex scopulorum var. bracteosa A. A. Heller 1922-7-3 13673 Siskiyou Along Wagon creek on Mt. Eddy 2225 Comment
  CAS-BOT-BC117253  Carex spectabilis John Thomas Howell 1937-7-25 13481 Siskiyou Caribou Basin, Salmon-Trinity Alps. 2286 Comment
  CHSC2107  Carex spectabilis N. Jaekel 1939-7-8 Siskiyou Panther Meadows, Mt. Shasta. 1828 Comment
  HSC76665  Carex spectabilis K. T. Stillman 1976-7-23 307 Siskiyou Marble Mtn. Wilderness Area 2012 Comment
  HSC96549  Carex spectabilis Gordon Leppig 1998-8-14 1027 Siskiyou Klamath National Forest, Russian Wilderness, Little Duck Lake Fen, cirque W of Little Duck Lake 2200 Comment
  SD53353  Carex straminiformis Darley F. Howe 1962-8-6 Siskiyou Mt. Shasta 2438 Comment
  RSA780398  Carex straminiformis Robert F. Thorne, Frederick W. Oettinger 1969-8-10 38977 Siskiyou Mt. Shasta National Forest: S Slope of Mt. Shasta, [along] streamlet originating as overflow from large water tank above ski-lodge 2317 Comment
  HSC39252  Carex subfusca J. O. Sawyer 1969-7-12 1349 Siskiyou Edge of Sugar Lake 1799 Comment
  HSC76828  Carex utriculata L. P. Janeway 1982-7-2 39 Siskiyou Poker Flat, end of FS Rd. 18N33 1524 Comment
  CAS-BOT-BC422326  Carex vesicaria Julie Kierstead Nelson; Martin Lenz; Rhonda Posey 2014-8-13 2014 -076 Siskiyou Lower Parks Creek Lake near outlet, northeast side. 1 mile NE of China Mountain, easten Klamath Ranges. 2200 Comment
  JEPS25938  Carex vesicaria B. C. Goldsmith 1916-9-29 27 Siskiyou shore, Medicine Lake Medicine Lake 2072 Comment
  SEINET10748613  Carex vesicaria A. Arthur Heller 1940-7-24 Heller 15763 Siskiyou Wet ground, edge of Castle Lake. Transition Life Zone. Comment
  CAS-BOT-BC59708  Cassiope mertensiana Gilbert J. Muth 1969-8-10 1351 Siskiyou Buckhorn Lake. 2255 Comment
  HSC61201  Cassiope mertensiana subsp. ciliolata Al Hobart 1967-8-8 Siskiyou El Capitan Comment
  HSC62029  Cassiope mertensiana subsp. ciliolata Al Hobart 1960-7-25 Siskiyou Preston Peak 1982 Comment
  RSA238347  Cassiope mertensiana subsp. ciliolata Frederick W. Oettinger 1969-7-28 1083 Siskiyou Inlet stream to Little Hancock Lake as it passes through a wet boreal meadow just s. of the lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2043 Comment
  CAS-BOT-BC249373  Castilleja applegatei Gilbert Muth 1966-7-17 386 Siskiyou Near lookout, Marble Mts. 2042 Comment
  HSC69119  Castilleja applegatei Maralyn A. Renner 1980-8-7 2389 Siskiyou Klamath National Forest, NW flank of Preston Peak, near summit 2180 Comment
  CAS-BOT-BC241149  Castilleja applegatei subsp. pinetorum Alice Eastwood No date on label s.n. Siskiyou Cantara Comment
  JEPS45563  Castilleja applegatei subsp. pinetorum Douglas Barbe 1955-7-9 146 Siskiyou sw side Kangaroo Lake; Klamath Mountains, Scott Mountains 1828 Comment
  JEPS46076  Castilleja applegatei subsp. pinetorum L. R. Heckard and R. Bacigalupi 1966-6-13 1522 Siskiyou about 1 mi ne Bolam (near Bolam logging road on n side of Mt. Shasta) 1432 Comment
  JEPS6837  Castilleja applegatei subsp. pinetorum H. A. Thomas and J. H. Thomas 1954-7-21 4423 Siskiyou about 6 mi se Cecilville (w side of Rush Creek); Salmon-Trinity Mts. 1158 Comment
  JEPS9789  Castilleja applegatei subsp. pinetorum Geo. D. Butler 1909-6-23 931 Siskiyou Goosenest Mountain Comment
  RSA31873  Castilleja applegatei subsp. pinetorum A. A. Heller 1940-7-25 15766 Siskiyou Along the trail to Horse Camp, Mt. Shasta. 2287 Comment
  UC1034030  Castilleja applegatei subsp. pinetorum Francis W. Pennell Jul 18 1940-Jul 19 1940 26185 Siskiyou 2-3 mi n Mount Shasta City (Route 99) 1158 Comment
  UC454838  Castilleja applegatei subsp. pinetorum I. J. Condit 1911-7-7 Siskiyou Shasta Retreat 1066 Comment
  UC625497  Castilleja applegatei subsp. pinetorum Frank W. Gould 1938-6-27 480 Siskiyou 3 mi n Mount Shasta (town) 1082 Comment
  CAS-BOT-BC243759  Castilleja applegatei var. pinetorum Elmer I. Applegate 1935-6-6 9359 Siskiyou Caldwell Butte, Lave Beds Natjional Monument Comment
  HSC77054  Castilleja arachnoidea K. T. Stillman 1976-7-7 166 Siskiyou Marble Mountain Wilderness Area 1982 Comment
  SEINET3159135  Castilleja arachnoidea G. D. Butler 1910-7-8 1684 Siskiyou Shackleford Creek 1829 Comment
  UC1012497  Castilleja arachnoidea Francis W. Pennell 1940-7-17 26176 Siskiyou w of Etna; Salmon Mountains 1981 Comment
  CAS-BOT-BC252477  Castilleja miniata Henry M. Pollard 1947-9-6 s.n. Siskiyou Dillons Mt. Forest Road 1524 Comment
  CAS-BOT-BC254109  Castilleja miniata Edna Kelsey 1961-8-1 s.n. Siskiyou Marble Mts. Skyhigh Lake Comment
  HSC168  Castilleja miniata William J. Ferlatte 1966-8-2 232 Siskiyou Big Flat, between campground and S. fork of the Salmon River 1524 Comment
  JEPS3904  Castilleja miniata W. L. Jepson 1894-8-4 21469 Siskiyou Mount Shasta Comment
  UC1238989  Castilleja miniata Freed W. Hoffman 1950-7-14 3627 Siskiyou Baldy Mountain North Coast Ranges (w Siskiyou County) Comment
  CAS-BOT-BC254011  Castilleja miniata Gilbert Muth 1965-7-29 s.n. Siskiyou Meadow below marble rim Comment
  RSA448754  Castilleja miniata M. B. Dunkle 1945-1 9300 Siskiyou Klamath National Forest, Marble Mountains. 2439 Comment
  UC651920  Castilleja miniata Hugh and Margaret Dearing 1939-7-2 3804 Siskiyou Salmon Mountain summit; Salmon Mountain 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
  JEPS60246  Castilleja pruinosa L. R. Heckard with L. Constance and R. Ornduff 1969-6-25 2311 Siskiyou nw edge Weed Comment
  UC1409379  Castilleja pruinosa Frederick W. Oettinger 1968-8-2 368 Siskiyou ne of Diamond Lake (vicinity of English Peak); Salmon Mountains, Marble Mountain Wilderness Area, English P 2087 Comment
  UC164433  Castilleja pruinosa Geo. D. Butler 1919-5-10 1329 Siskiyou Goosenest foothills Goosenest 1524 Comment
  RSA261371  Castilleja pruinosa J. M. Tucker, L. K. Mann, Sandra Holloway 1963-8-18 3752 Siskiyou SW ridge of Black Mtn (Black Marble Mtn); Marble Mtn Wilderness Areas. 2134 Comment
  CAS-BOT-BC241083  Castilleja schizotricha Gilbert Muth 1965-8-6 s.n. Siskiyou Backside of Blk. Mt. 2072 Comment
  JEPS42269  Ceanothus cordulatus L. N. Lorenzen 1920-6-9 Siskiyou Sisson 1127 Comment
  RSA399045  Ceanothus cuneatus Bonnie C. Templeton 1957-6-22 s.n. Siskiyou Along the Scott River, north of Callahan. Comment
  JEPS42185  Ceanothus cuneatus var. cuneatus Geo. D. Butler 1908-6-20 497 Siskiyou Bulter's Ranch Yreka Comment
  UC163699  Ceanothus cuneatus var. cuneatus Geo. D. Butler 1910-5-2 1267 Siskiyou Yreka Comment
  CAS-BOT-BC50245  Ceanothus integerrimus W. B. C. 1940-6-6 15030 Siskiyou along the Castle Lake road in the brush fields about half way from the Box Canyon to the lake 1371 Comment
  RSA95333  Ceanothus integerrimus var. macrothyrsus E. E. Stanford 1930-6-15 1586 Siskiyou 1 mile north of Dunsmuir. Comment
  CAS-BOT-BC53081  Ceanothus prostratus W. C. Blasdale 1894-7-31 s.n. Siskiyou Sissons Comment
  HSC100191  Ceanothus prostratus J. P. Smith, & J. O. Sawyer 2011-9-4 13411 Siskiyou Montague- Ball Mountain-Little Shasta Road (County Road 7K007). 1192 Comment
  RSA23947  Ceanothus prostratus O. V. Matthews 1939-7-8 26 Siskiyou W of Seiad Gove, Kangaroo lMtn Forest Service Trail. Comment
  UC79810  Ceanothus prostratus Katharine Brandegee July 1889 71 Siskiyou Sisson's Comment
  UC909362  Ceanothus prostratus Ira L. Wiggins 1950-5-28 12364 Siskiyou ca 1.5 mi e Scott Mountain Road (margins of Carmen Lake); margins of Carmen Lake 1737 Comment
  JEPS109713  Ceanothus pumilus Dean W. Taylor 2002-7-20 18269 Siskiyou The Eddys, Pacific Crest Trail ca. 0.5 mile North of Forest Road 17 2103 Comment
  POM85996  Ceanothus sanguineus Geo. D. Butler 1910-6-17 1567 Siskiyou Hundrey Mtn. 1220 Comment
  UCR131602  Ceanothus sanguineus L. C. Wheeler 1934-6-23 2774 Siskiyou Siskiyou Mtns., Sterling Mine, Bullion Mtn. 1280 Comment
  HSC18345  Ceanothus velutinus D. M. Thomson 1965-6-11 77 Siskiyou Lava Beds National Monument, Tichnor Rd. 1.0 mi. from Medicine Lake Rd. Comment
  HSC4479  Ceanothus velutinus William J. Ferlatte 1966-6-23 148 Siskiyou Big Flat, near public camp 1524 Comment
  HSC99930  Ceanothus velutinus J. P. Smith, & J. O. Sawyer 2011-7-31 13348 Siskiyou Sugar Creek Trail W of Callahan 1463 Comment
  JEPS42168  Ceanothus velutinus L. N. Lorenzen 1920-6-9 Siskiyou Sisson 1127 Comment
  RSA211267  Ceanothus velutinus William J. Ferlatte 1967-7-25 718 Siskiyou Caribou Mtn, open granitic slopes and ridges. 2470 Comment
  UC1299549  Ceanothus velutinus Freed W. Hoffman 1950-7-14 3257 Siskiyou Trail from Baldy Mountain to Clear Lake. Comment
  UCR93372  Ceanothus velutinus Kathy Harper, Dane Karr 1994-6-16 s.n. Siskiyou Modoc National Forest; Forest Route 49 (Lava Beds/ Medicine Lake Rd.) within 1 mi. of southern boundary of Lava Beds National Monument 1555 Comment
  CAS-BOT-BC52848  Ceanothus velutinus var. velutinus Elmer I. Applegate 1935-6-11 9499 Siskiyou Upper Ice Cave area, Lava Beds National Monument Comment
  UCD14430  Centaurea cyanus R. M. Rhode 1984-5-26 s.n. Siskiyou downtown Weed, at the intersection of Highway 97 and Business 5; 1056 Comment
  CDA37883  Centaurea diffusa CDFA Staff 1991-1 s.n. Siskiyou Fort Jones. 0 Comment
  CDA7267  Centaurea maculosa J. Shaw, B. Ruddiman 1974-7-16 Siskiyou Interstate 5 southbound, approximately six miles north of Weed. 0 Comment
  HSC68079  Centaurea solstitialis J. P. Smith, Steve Selva 1970-6-17 4091 Siskiyou 12 mi. E of Somes Bar on road between Forks of Salmon and Somes Bar 366 Comment
  CAS-BOT-BC281205  Centaurea stoebe subsp. micranthos T. C. Fuller 1963-8-26 11155 Siskiyou In adjacent lawn of ranch house and rangeland, W. H. Kerr, Flying K Ranch, upper Quartz Valley, 2 miles S of Mugginsville Comment
  UCD130114  Centaurea stoebe subsp. micranthos T. C. Fuller 1963-8-26 11155 b Siskiyou W. H. Kerr, Flying K Ranch, upper Quartz Valley, 2 miles south of Mugginsville. Comment
  SBBG30183  Cephalanthera austiniae D. Myrick 1968-6-29 2061 Siskiyou Mountain Meadow Ranch, Big Flat, near Trinity Center; Trinity Alps 1524 Comment
  JEPS64315  Cephalanthera austiniae W. L. Jepson 1902-7-22 2090 a Siskiyou trail from Salmon Forks Salmon Summit; w. Siskiyou, Salmon Summit 1981 Comment
  OBI68582  Cerastium dichotomum T. C. Fuller 1962-5-18 8745 Siskiyou Long Property, Little Shasta rd, 5 mi E of Montague Comment
  HSC68020  Cerastium fontanum subsp. vulgare J. P. Smith, Steve Selva 1970-6-16 4037 Siskiyou 4 mi. from Hwy. 3 on Rd. 8 to Sugar Creek. 1159 Comment
  RSA240103  Cerastium fontanum subsp. vulgare Frederick W. Oettinger 1969-8-9 1321 Siskiyou Along main N Fork trail between Five mile Stockgate and Abbott s upper cabin, Salmon Mts. The High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1357 Comment
  HSC71542  Cercis occidentalis J. P. Smith, Steve Selva 1970-6-15 3948 Siskiyou Road between Forks of Salmon and Cecilville. 579 Comment
  LA47784  Cercocarpus ledifolius W. B. C.; 1940-6-4 15011 Siskiyou Mount Shasta, Shasta Valley near Bolam Comment
  RSA749206  Cercocarpus ledifolius var. intermontanus K. M. Meyer, A. Townesmith 2007-8-2 183 Siskiyou Shasta-Trinity National forest. 0.1 mi. on Forest Service Rd. 43N21, 12.5 mi on Hwy. 97, east side of road 1218 Comment
  UCD77514  Cercocarpus ledifolius var. intermontanus Robert E. Preston 2001-7-21 1731 Siskiyou Rainbow Mountain and Vicinity. Klamath National Forest, Rainbow Mountain. 2158 Comment
  UC642590  Chaenactis douglasii var. douglasii Palmer Stockwell 1939-8-10 13872 Siskiyou between Squaw Valley Creek and Mud Creek Canyon 2895 Comment
  UC584275  Chaenactis suffrutescens G. L. Stebbins Jr. and J. A. Jenkins 1937-7-19 2439 Siskiyou about 2 mi w of the State Highway (along Pars's Creek); Par's Creek 1036 Comment
  UCD130440  Chaenactis suffrutescens M. V. Maxwell 1941-6-26 s.n. Siskiyou 14 miles east of Montague. 670 Comment
  SEINET515847  Chamaebatiaria millefolium Vernon Oswald 1997-7-28 8772 Siskiyou Forest Route 49 (Powder Hill Rd.) at 41N03 (to Porcupine Butte), 16 mi. S of Medicine Lake. 1366 Comment
  UC42423  Cheilanthes gracillima Marshall A. Howe Aug. 1894 Siskiyou near Shasta (Soda Springs) Comment
  UCD97763  Chenopodium album A. A. Heller 1915-8-24 12212 Siskiyou Metcalf's ranch, northeast base of Mt. Eddy. 1188 Comment
  UC452633  Chenopodium berlandieri H. W. Furlong Sept. 1901 Siskiyou Summit to Ager Comment
  UC851054  Chenopodium pumilio L. E. Smith 1913-7-12 467 Siskiyou Igerna Comment
  CDA23401  Chenopodium rubrum var. rubrum R. Pederson, G. Pederson 1979-8-15 Siskiyou Lower Klamath National Wildlife Refuge. Comment
  UCR66585  Chenopodium vulvaria L. C. Wheeler 1934-10-6 03307 Siskiyou Yreka. 793 Comment
  RSA624500  Chenopodium vulvaria L. C. Wheeler 1935-7-13 3656 Siskiyou Ager. 793 Comment
  CAS-BOT-BC452287  Chimaphila umbellata H. A. Thomas; J. H. Thomas 1954-7-21 4422 Siskiyou Salmon-Trinity Mts. About 6 miles SE of Cecilville. West side of Rush Creek 1219 Comment
  HSC19319  Chimaphila umbellata J. O. Sawyer 1968-9-13 716 Siskiyou W of the Happy Camp/O'Brien Rd. between Louse Creek and Indian Creek, on the E slopes of Little Grayback 1463 Comment
  HSC19322  Chimaphila umbellata J. O. Sawyer 1968-9-9 661 Siskiyou Ridges S of Cyclone Gap 1738 Comment
  UCR179176  Chimaphila umbellata Robert E. Preston 2001-8-26 1760 Siskiyou Klamath Range, Klamath National Forest, north slope of Rainbow Mountain, Hemlock Lake 1884 Comment
  CAS-BOT-BC452266  Chimaphila umbellata W. R. Dudley 1907-8-24 s.n. Siskiyou Salmon Mountains Comment
  CAS-BOT-BC452276  Chimaphila umbellata C. Hart Merriam 1921-7-7 s.n. Siskiyou South Fork Ridge Comment
  HSC60904  Chimaphila umbellata Al Hobart Siskiyou Black Butte Comment
  HSC62628  Chimaphila umbellata Ruby Van Deventer 1957-8-5 Siskiyou Youngs Valley Comment
  UC1183411  Chorispora tenella David E. Bayer 1960-5-27 Siskiyou 1 mi s of Macdoel (and running around Meiss Lake, Butte Valley, 1/4 mi s of road, in (west) ca. 1 mi on road originating at U.S. Hwy 97); Butte Valley 1280 Comment
  CAS-BOT-BC36382  Chrysolepis chrysophylla W. R. Dudley 1907-8-18 s.n. Siskiyou Moraine of Jacksons Lake Comment
  JEPS37852  Chrysolepis chrysophylla Geo. D. Butler 1908-8-26 491 Siskiyou w side Salmon Mountain (along grade) 1524 Comment
  POM267300  Chrysolepis chrysophylla Marion Ownbey, Fred G. Meyer 1940-7-8 2222 Siskiyou Dry hillside along Indian Creek, 11 miles above Happy Camp. Comment
  HSC100196  Chrysolepis chrysophylla var. minor J. P. Smith, & J. O. Sawyer 2011-9-5 13420 Siskiyou Along Klamath National Forest Service Road 45N28, 0.2 mi. W of junction with Yreka-Walker Road. 1474 Comment
  CAS-BOT-BC36202  Chrysolepis sempervirens E. B. Copeland 1903-8-13 3835 Siskiyou Sisson 1066 Comment
  CAS-BOT-BC36245  Chrysolepis sempervirens Geo. B. Grant 1902-9-8 s.n. Siskiyou Mount Shasta, Horse Camp Comment
  UC711898  Chrysolepis sempervirens Roxana S. Ferris and Laura Lorraine 1941-8-11 10508 Siskiyou about 7 mi from Medicine Lake (on road to Modoc Lava Beds National Monument); Shasta National Forest Comment
  CAS-BOT-BC100856  Chrysothamnus viscidiflorus subsp. viscidiflorus Geo. D. Butler 1910-7-20 1731 Siskiyou Goosenet foothills 1524 Comment
  SEINET7451000 Image available Chrysothamnus viscidiflorus subsp. viscidiflorus G. D. Butler 1910-7-20 1731 Siskiyou Goosenest foothills 1524 Comment
  UC1048584  Chrysothamnus viscidiflorus subsp. viscidiflorus Lewis S. Rose 1941-8-28 41427 Siskiyou Dorris 1291 Comment
  UC165249  Cicuta douglasii Geo. D. Butler 1908-8-12 456 Siskiyou near Oro Fino Comment
  UC643320  Cicuta maculata var. angustifolia W. Bridge Cooke 1940-7-12 15314 Siskiyou near Mount Shasta City (in the Box Canyon of the Sacramento River); Sacramento River, Box Canyon 914 Comment
  CHSC85687  Circaea alpina subsp. pacifica G. F. Hrusa 1998-7-5 14698 Siskiyou Siskiyou Mountains. Cedar Camp Rd. +/- 5 mi. E of Weitchpec on Hwy 96. N side of Hwy. Mile 4.x. Roadside. Comment
  JEPS24816  Cirsium andersonii Rimo Bacigalupi with Drs. Reino and Aloha Alava 1958-9-2 6829 Siskiyou U.S. Forest Service camp ground at Scott Mtn. road summit Scott Mtn. (boundary of Siskiyou and Trinity Cos.) 1646 Comment
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Jan 4 2012
  POM195504  Cirsium douglasii var. breweri A. A. Heller 1927-8-1 14437 Siskiyou Near Deetz, just north of Shasta City. Comment
  CAS-BOT-BC32806  Cirsium drummondii subsp. lanatum Alice Eastwood 1912-8-30 2054 a Siskiyou Mount Eddy Comment
  UCD130621  Cirsium inamoenum var. inamoenum T. C. Fuller 1979-10-3 20271 Siskiyou both sides of Goosenest Road, 14 km northeast of Tennant. Comment
  HSC79332  Cirsium remotifolium D. H. Norris 1968-7-28 2193 Siskiyou Along Salmon River ca. 1 mi. S of Big Flat 1524 Comment
  RSA0070868  Cirsium remotifolium E. K. Balls 1949-7-10 13959 Siskiyou 3 miles from Sawyer's Bar on road to Cecilville. 793 Comment
  CAS-BOT-BC228960  Cistanthe umbellata Roxana S. Ferris; Laura Lorraine 1948-6-12 11761 Siskiyou French Creek Logging Road west of Callahan 1219 Comment
  CAS-BOT-BC228970  Cistanthe umbellata Doris K. Kildale 1929-7-20 8594 Siskiyou East spur of Preston Peak above Rockefeller Lake 1981 Comment
  RSA96726  Clarkia concinna subsp. concinna Lee W. Lenz 1953-5-17 18311 Siskiyou Salmon River, 1 1/4 mi. above junction with Klamath River 177 Comment
  SJSU11000  Clarkia lassenensis J. W. Tilden 1958-6-26 1271 Siskiyou near Monument Hedquarters, Lava Beds National Monument Comment
  UC164469  Clarkia rhomboidea Geo. D. Butler 1910-5-30 1436 Siskiyou near Hawkinsville Comment
  UC61179  Clarkia rhomboidea W. A. Setchell, C. C. Dobie 1902-7-13 Siskiyou Sisson Mount Shasta Comment
  UC909475  Clarkia rhomboidea J. H. Thomas 1949-6-16 948 Siskiyou 1/2 mi n Beaver Creek Public Camp (5 mi n of junction of Beaver Creek and Klamath River); Klamath National Forest Comment
  UC930719  Clarkia rhomboidea A. A. Heller 1916-6-23 12435 Siskiyou n Sisson (near Black Butte) 1127 Comment
  UC163803  Claytonia cordifolia Geo. D. Butler 1908-8-8 65 Siskiyou Marble Valley on Marble Mt.; Marble Mt, Marble Valley Comment
  CAS-BOT-BC443816  Claytonia rubra subsp. rubra Wm. Bridge Cooke 1938-7-1 11122 Siskiyou Mount Shasta. Bear Spring. Comment
  CAS-BOT-BC443820  Claytonia rubra subsp. rubra A. A. Heller 1919-6-27 13277 Siskiyou Metcalf's ranch, northeast base of Mt. Eddy 1158 Comment
  HSC22230  Claytonia rubra subsp. rubra J. O. Sawyer 1969-7-1 958 Siskiyou Ridge above Paynes Lake Creek 1433 Comment
  UC1258443  Claytonia sibirica Maralyn A. Renner 1980-7-23 1839 Siskiyou about 1 mi e Cook and Green Pass (Pacific Crest Trail); Klamath National Forest, Seiad Valley Quad. 1752 Comment
  RSA464446  Claytonia sibirica M. B. Dunkle 1944-6-25 9003 Siskiyou Beaver Creek. (Coastal Northern California). 1677 Comment
  JEPS60556  Clematis ligusticifolia W. L. Jepson July 1894 Siskiyou Sisson Comment
  RSA239285  Clematis ligusticifolia Frederick W. Oettinger 1966-7-16 32 Siskiyou N bank of S Fork of Salmon river, 100 yards downstreaam from Cecilville dump Comment
  HSC60116  Clinopodium douglasii M. A. Baker 1977-5-14 275 Siskiyou Karok garden in Happy Camp Comment
  UC1299331  Clintonia uniflora Freed W. Hoffman 1948-7-9 2569 Siskiyou 4.1 mi n of West Branch Public Camp (Waldo-Happy Camp Road); North Coast Ranges, Waldo-Happy Camp Road Comment
  UCSB24415  Clintonia uniflora Keefe, Joseph 1967-7-10 Siskiyou Indian Creek Road, 22.2 miles north of Happy Camp 1402 Comment
  CAS-BOT-BC500956  Clintonia uniflora L. E. Smith 1913-6-12 359 Siskiyou Road from Sisson to Castle Lake Comment
  HSC62303  Clintonia uniflora Ruby Van Deventer 1955-7-31 Siskiyou Trout Camp 1220 Comment
  CHSC88115  Collinsia grandiflora Jenny Marr 1993-7-1 125 Siskiyou Butte Valley Wildlife Area, +/- 7 air miles NW of the town of MacDoel. Meadow NW of Meiss Lake. 1349 Comment
  JEPS6203  Collinsia linearis W. L. Jepson 1907-7-19 2941 Siskiyou East Fork Illinois River, headwaters East Fork Illinois River; Siskiyou Mtns Comment
  JEPS3691  Collinsia linearis Dorothy Mrs. Warren Parker 1953-5-24 537 Siskiyou Scott River; hillside 687 Comment
  JEPS74150  Collinsia linearis J. M. Tucker and L. K. Mann 1963-7-4 3691 Siskiyou ca 4.7 mi sw Etna (beside rd from Etna to Sawyer's Bar) Comment
  HSC36426  Collinsia parviflora J. O. Sawyer 1969-7-18 1406 Siskiyou SW facing slope above S Russian Creek. 1905 Comment
  CHSC35603  Collinsia rattanii J. P. Smith; J. Whipple 1978-7-2 9979 Siskiyou Trail from Cook and Green Pass to Copper Butte. 1767 Comment
  JEPS6163  Collinsia rattanii W. L. Jepson 1937-7-30 18540 Siskiyou near Poker Flat (summit of Siskiyou Mtns); Siskiyou Mtns. 1554 Comment
  POM43373  Collinsia rattanii Geo. D. Butler 1910-4-16 1188 Siskiyou Klamath River. Comment
  UC164260  Collinsia rattanii Geo. D. Butler 1911-7-9 758 Siskiyou Humbug Road between Yreka and Humbug; Humbug Road Comment
  UC885604  Collinsia torreyi var. latifolia Alice Eastwood 1912-7-16 1144 Siskiyou McCloud Comment
  HSC19265  Collomia grandiflora J. O. Sawyer 1968-7-23 598 Siskiyou Along trail from Brown's Valley to Caribou Basin including areas around Snowslide Lake and Caribou Lake 1829 Comment
  UC455654  Collomia grandiflora I. J. Condit 1911-7-6 Siskiyou along RR and elsewhere Shasta Retreat Comment
  UC933390  Collomia grandiflora Annie M. Alexander and Louise Kellogg 1948-9-7 5590 Siskiyou at fork of road from Cecilville to First Lookout; Black Bear Summit 1524 Comment
  RSA237937  Collomia grandiflora Frederick W. Oettinger 1968-8-12 489 Siskiyou between lily pond and Tobacco Lake. The Salmon Mountains; High Lake Basins in the vicinity of English Peak; Marble Mountain Wilderness Area. 1890 Comment
  RSA409235  Collomia heterophylla L. C. Wheeler 1934-8-5 3046 Siskiyou Condrey Mt., Siskiyou Mts. Mt. Diablo Mer. 2165 Comment
  UC1409298  Collomia tinctoria Frederick W. Oettinger 1968-8-18 576 Siskiyou slope in draw below Tobacco Lake (high lake basins in the vicinity of English Peak); Salmon Mountains, Marble Mountain Wilderness Area 1889 Comment
  UC52508  Collomia tinctoria Harley P. Chandler 1901-6-1 1634 Siskiyou ridges and meadows near Marble Mountain; North Coast Ranges 2133 Comment
  UCD77564  Collomia tinctoria Robert E. Preston 2001-7-21 1733 Siskiyou Rainbow Mountain and Vicinity. Klamath National Forest, Rainbow Mountain. 2158 Comment
  HSC119  Collomia tracyi William J. Ferlatte 1967-8-23 1103 Siskiyou Kidd Creek Trail, densely wooded canyon 1677 Comment
  UC1483517  Corallorhiza maculata John Palmer 1980-8-12 741 Siskiyou road from Beaver Creek Rd to Bearground Spring; Klamath National Forest, Condry Mtn. Quad. 1341 Comment
  HSC29151  Corallorhiza maculata Frederick W. Oettinger 1969-7-28 1090 Siskiyou Salmon Mountains, High Lake Basins, NNE of Pine Lake 2073 Comment
  UC1299376  Corallorhiza mertensiana Freed W. Hoffman 1948-8-7 2661 Siskiyou between West Branch Public Camp and California-Oregon state line (Waldo-Happy Camp Rd.); North Coast Ranges Comment
  UCD138907  Corallorhiza mertensiana J. M. Tucker; D. V. Hemphill 1974-7-26 4296 Siskiyou slope above Let 'Er Buck Meadows, ca. 1/2 mile southeast of Haypress Meadows, Marble Mountain Wilderness Area. 1432 Comment
  UC164421  Corallorhiza striata Geo. D. Butler 1910-5-5 1292 Siskiyou Humbug Mountain Comment
  HSC58885  Cordylanthus pilosus subsp. pilosus Marvin Butler 1971-8-11 310 Siskiyou Near Younga Valley 1403 Comment
  JEPS60490  Cordylanthus tenuis subsp. pallescens T. I. Chuang and L. R. Heckard 1969-8-21 6741 Siskiyou nw Mt. Shasta City (sw of Black Butte) 1066 Comment
  JEPS86236  Cordylanthus tenuis subsp. pallescens L. R. Heckard 1979-8-16 5157 Siskiyou n Mt. Shasta City (just sw of Black Butte, corner of old Hwy 99 and Pony Tail Dr.) 914 Comment
  CHSC78536  Cordylanthus tenuis subsp. tenuis Vernon H. Oswald 2000-8-28 9957 Siskiyou Rock Fence Lake Road (40N18) 0.1 mi from its junction with Kangaroo Lake Road. 1662 Comment
  CHSC28795  Cordylanthus tenuis subsp. viscidus J. D. Jokerst 1978-9-2 152 Siskiyou Area several miles w of Weed. Comment
  RSA0084761  Cordylanthus tenuis subsp. viscidus Rebecca Wenk 2008-7-25 949 Siskiyou Road to Kangaroo Lake, 4.3 miles south of turnoff from Gazelle-Callahan Rd. 1616 Comment
  RSA746515  Cordylanthus tenuis subsp. viscidus K. M. Meyer, A. Townesmith 2007-7-31 174 Siskiyou Shasta-Trinity National Forest, 5.3 mi. on NF rd. 17, off US Hwy. 97, turn out right before foest road 42N19 1298 Comment
  UC885672  Cordylanthus tenuis subsp. viscidus Alice Eastwood 1917-9-2 6664 Siskiyou Shasta Springs Comment
  JEPS66527  Cordylanthus tenuis subsp. viscidus L. R. Heckard 1971-8-28 2784 Siskiyou 5.3 mi s Callahan (3 mi below road summit, along road up to Scott Mt.) 1341 Comment
  RSA523399  Cordylanthus tenuis subsp. viscidus L. R. Heckard, T. I. Chuang, R. C. Bacigalupi 1968-8-13 2123 Siskiyou Along Dunsmuir Avenue, just over a mile south of Dunsmuir (downtown). 823 Comment
  CAS-BOT-BC212274  Cornus glabrata Louis C. Wheeler 1934-7-16 2909 Siskiyou Oak Knoll R.S., Klamath Forest 670 Comment
  CAS-BOT-BC212050  Cornus nuttallii Marion Ownbey; D. H. Brown 1941-6-22 2426 Siskiyou Road between Craggy Mountain, and Deadwood Lookout northwest of Yreka Comment
  CDA38584  Cornus sericea subsp. sericea D. H. Shaw Jun 1977 s.n. Siskiyou Near Happy Camp. 0 Comment
  UC164271  Corylus californica Geo. D. Butler 1910-4-1 1150 Siskiyou Humbug Mountain Comment
  OBI80265  Crepis acuminata David J. Keil, Kathleen Keil 1990-7-28 s.n. Siskiyou Marble Mountains. Klamath National Forest. Rye Patch Creek Trail. 518 Comment
  SBBG30619  Crepis acuminata D. Myrick 1968-6-22 1989 Siskiyou Lava Beds Nat Monument 1371 Comment
  CHSC93526  Crepis bakeri Lowell Ahart; John Dittes 2005-6-9 12028 Siskiyou Hill, south of a rock fence, about 100 yards northeast of where cattle water in the Shasta River, about 3/5 mile (air) south of Highway 99/97 Cutoff, about 2 1/2 miles (air) east-southeast of Grenada. 774 Comment
  POM33154  Crepis bakeri subsp. bakeri Geo. D. Butler 1910-5-10 1328 Siskiyou Goosenest foothills 1524 Comment
  HSC5449  Crepis intermedia R. C. Wunner 1965-6-22 258 Siskiyou California Lava Beds National Monument, Canby Bay. 1220 Comment
  SEINET2142064 Image available Crepis occidentalis subsp. conjuncta Unknown 1644 Siskiyou Marble Mountain 2440 Comment
  CAS-BOT-BC290883  Crepis pleurocarpa H. E. Brown 1897-6-1 382 Siskiyou Near Sisson 1083 Comment
  CAS-BOT-BC58389  Crepis pleurocarpa R. C. Wenk 2005-7-15 224 Siskiyou Trinity Alps, above South Fork of the Salmon River, along the Yellow Rose Mine trail. 2133 Comment
  JEPS101150  Crepis pleurocarpa Dean W. Taylor 1996-6-19 15710 Siskiyou Lime Gulch; bordering Shasta Valley (about 15 miles south of Yreka) 1188 Comment
  SDSU3854  Crepis pleurocarpa D. F. Howe 1962-8-4 3392 Siskiyou Near summit of Baldy Mt. Comment
  UC455528  Crepis pleurocarpa I. J. Condit 1909-8-23 Siskiyou near Sisson; Castle Lake 1981 Comment
  UC604171  Crepis pleurocarpa David D. Keck 1938-8-6 4812 Siskiyou 4 mi s Oregon line (on road from Waldo to Happy Camp, summit of mts., at Del Norte Co. line); Siskiyou Mts., Poker Flat 1555 Comment
  OBI47579  Crepis pleurocarpa K. T. Stillman 1976-8-7 204 Siskiyou Marble Mtn Wilderness Area. Scatt Bar quad. T43N, R12W, sec 22 Comment
  RSA215644  Crepis pleurocarpa Gilbert Muth 1969-8-7 1256 Siskiyou Boulder Peak Ridge. 2470 Comment
  JEPS93823  Crocidium multicaule Vernon H. Oswald and Lowell Ahart 1998-6-11 9197 Siskiyou 9 air mi e of Grass Lake (22 air mi ne of Weed, Dry Lake on the s side of Tennant Road); Dry Lake, Tennant Road 1402 Comment
  JEPS103793  Crocidium multicaule Martin J. Lenz 2003-5-12 7 Siskiyou Schulmeyer Gulch, 7 mi S of Yreka 1105 Comment
  POM72947  Cryptantha clevelandii var. dissita Geo. D. Butler 1910-5-27 1416 Siskiyou Dry hill near Yreka. Comment
  RSA17700  Cryptantha sobolifera Elmer I. Applegate 1935-6-10 9486 Siskiyou Siskiyou County: steep cinder slope of Caldwell Butte, Lava Beds National monument, NE corner of Siskiyou Comment
  HSC91392  Cryptantha subretusa Jennifer Whipple 1976-6-25 1133 Siskiyou Dale Creek Drainage on the N face of Mt. Eddy 2470 Comment
  HSC82248  Cryptantha torreyana Thomas W. Nelson, Jane P. Nelson 1980-7-5 5983 Siskiyou Fowler's Campground 1006 Comment
  CAS-BOT-BC70479  Cryptogramma acrostichoides Doris K. Kildale 1929-7-20 8578 Siskiyou south east spur Preston Peak 1950 Comment
  CAS-BOT-BC70483  Cryptogramma acrostichoides John Thomas Howell 1939-8-3 15006 Siskiyou Spirit Lake, Marble Mts. 1828 Comment
  HSC19248  Cryptogramma acrostichoides J. O. Sawyer 1969-8-1 1671 Siskiyou SE facing slope above Duck Lake Creek 1951 Comment
  HSC69121  Cryptogramma acrostichoides Maralyn A. Renner 1980-8-7 2387 Siskiyou Klamath National Forest, NW flank of Preston Peak, near summit 2180 Comment
  RSA331956  Cryptogramma acrostichoides W. Wisura, Dave Kelly 1895-7-31 4080 Siskiyou Near Kangaroo Lake, Scotts Mtns, on granite rocks near campground. Comment
  CAS-BOT-BC80535  Cupressus bakeri C. B. Wolf 1944-10-29 11478 Siskiyou N.W. side [Goose Nest] Goosenest Mt., about 1 mi. due S. of Old Smith Sawmill on Montague to Mt. Hebron Road 1676 Comment
  RSA50554  Cupressus bakeri C. B. Wolf 1944-10-29 11479 Siskiyou NE side Goose Nest Mt., about 1 mile south of Goose Nest Road #1 leading off the Montague to Mt. Hebron road 1677 Comment
  CAS-BOT-BC85554  Cupressus macnabiana Thos. H. Harris 1951-6-1 s.n. Siskiyou On Klamath River 3 miles west of bridge on Highway 99 Comment
  RSA70993  Cuscuta suksdorfii var. subpedicellata L. C. Wheeler 1934-7-31 3011 Siskiyou 1 mi. E Dry Lake Lookout. 1829 Comment
  SEINET13943861 Image available Cymopterus terebinthinus W. B. C. 1941-1 16208 Siskiyou In the Lava Park above Hotlum Station, N side of Mt. Shasta, alt. 5000 Comment
  SDSU2276  Cymopterus terebinthinus var. californicus D. F. Howe 1964-8-4 3934 Siskiyou Probably Modoc National Forest, 9 miles from entrance to Lava Bed National Monument. 2042 Comment
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Oct 12 2011
  HSC459  Cynoglossum occidentale William J. Ferlatte 1967-7-8 670 Siskiyou Along Yellow Rose Mine trail 1829 Comment
  JEPS93885  Cyperus squarrosus Vernon H. Oswald and Lowell Ahart 1998-7-21 9338 Siskiyou 9 air mi e of Grass Lake (22 air mi ne of Weed, Dry Lake on the s side of Tennant Road); Dry Lake, Tennant Road 1402 Comment
  CHSC49467  Damasonium californicum Vernon Oswald 1986-5-29 2070 Siskiyou Hwy 97 between Dorris and Macdoel, 46.3 mi ne of Weed. 1219 Comment
  HSC34136  Danthonia californica J. O. Sawyer 1969-8-5 1780 Siskiyou W of Little Duck Lake 2073 Comment
  HSC69133  Danthonia californica Maralyn A. Renner 1980-8-4 2231 Siskiyou Flint Valley 1390 Comment
  LA102190  Danthonia californica John C. Roos; 1965-8-1 sn Siskiyou Marble Mountains, Middle Sky High Lake Comment
  CHSC61561  Danthonia californica var. americana L. P. Janeway 1983-8-26 595 B Siskiyou Siskiyou Mountains; at Poker Flat, in upper part of lower portion of meadow. 1524 Comment
  UC165451  Danthonia californica var. americana Geo. D. Butler 1910-7-8 1660 Siskiyou Shackleford Creek 1219 Comment
  UCD61070  Danthonia intermedia A. H. Murphy 1954-8-11 54 -K Siskiyou Half Moon Meadow. 1524 Comment
  HSC19075  Danthonia unispicata J. O. Sawyer 1969-8-1 1635 Siskiyou SE facing slope above Duck Lake Creek 1951 Comment
  CAS-BOT-BC76227  Darlingtonia californica J. H. Miller 1886-7-1 s.n. Siskiyou Mount Shasta. Comment
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Nov 6 2019
  HSC64831  Darmera peltata J. P. Smith 1973-5-5 6387 Siskiyou In and around the O'Neill Campground near Seiad Valley. 488 Comment
  UC165440  Darmera peltata Geo. D. Butler 1910-4-24 1234 Siskiyou Shackleford Creek Comment
  CAS-BOT-BC141829  Dasiphora fruticosa John Thomas Howell 1939-8-8 15172 Siskiyou Black Mt., Marble Mts. Comment
  CHSC1571  Dasiphora fruticosa V. Holt 1932-7-10 Siskiyou Mt. Eddy. 2286 Comment
  HSC58894  Dasiphora fruticosa Marvin Butler 1971-8-2 257 Siskiyou Near El Capitan, close to the town of Cave Junction 2081 Comment
  UCR142701  Datura stramonium L. C. Wheeler 1934-10-28 3350 Siskiyou Yreka 823 Comment
  JEPS55088  Delphinium andersonii Geo. D. Butler 1909-7-22 901 Siskiyou Goosenest Mountain Comment
  SEINET1004226  Delphinium depauperatum Mark Fishbein, Lane Greer 2006-1 5883 Siskiyou Payness Creek, at road crossing below Payness Springs, about 2 mi southeast of Medicine Lake. 1975 Comment
  CAS-BOT-BC8755  Delphinium glaucum L. R. Short 1933-8-7 115 Siskiyou Klamath National Forest, Marble Mountains 1798 Comment
  UC609323  Delphinium glaucum Eleanor B. Hart 1938-8-16 Siskiyou moist meadow at n end Lower Wright Lake 2072 Comment
  UC467749  Delphinium glaucum Annie M. Alexander and L. Kellogg 1911-7-30 304 Siskiyou Hd. Rush Cr. 1950 Comment
  HSC679  Delphinium nuttallianum William J. Ferlatte 1966-6-23 150 Siskiyou Big Flat, near public camp 1524 Comment
  SBBG2168  Delphinium nuttallianum H. and M. Dearing 1938-6-29 2190 Siskiyou Wagon Camp, Mt Shasta 1828 Comment
  CAS-BOT-BC118066  Delphinium nuttallianum W. R. Dudley 1893-6-20 s.n. Siskiyou Castle Lake Trail, region of Mt. Shasta Comment
  RSA238284  Delphinium nuttallianum Frederick W. Oettinger 1968-9-8 786 Siskiyou Cliffs south of English Lake. Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1784 Comment
  HSC37565  Deschampsia cespitosa A. Montalvo, J. D. Ackerman 1975-7-19 590 Siskiyou 3 mi. E of McCloud, off Hwy. 89 on FS Rd. 39N13. 1067 Comment
  HSC86445  Deschampsia cespitosa D. K. Imper 1989-7-21 Siskiyou 8 mi. E of Somes Bar. 1372 Comment
  UCD21467  Deschampsia cespitosa subsp. cespitosa Ellen Dean; with Gary Nakamura and K. Mawdsley 2002-7-28 1207 Siskiyou Shasta Trinity National Forest; NW of Castle Crags, in Castle Crags Wilderness. Found west of I-5, near headwaters of the south fork of the Sacramento River. Along shores of Gray Rock Lake. 1800 Comment
  CAS-BOT-BC201633  Deschampsia danthonioides Gilbert Muth 1966-7-19 430 Siskiyou Marble Gap Trail, along 1st bluff, Marble Mts. 1828 Comment
  HSC100336  Deschampsia danthonioides J. P. Smith 2011-7-15 13305 Siskiyou Along the road to Bray, .8 mi. from its junction with Tennant Road. 1419 Comment
  HSC75105  Deschampsia danthonioides J. P. Smith, Thomas W. Nelson 1979-6-16 10131 Siskiyou Hwy. 3, 4.4 mi. from the Scott Mt. summit. 1220 Comment
  CAS-BOT-BC201934  Deschampsia elongata A. A. Heller 1915-7-18 12134 Siskiyou Metcalf's ranch, base of Mt. Eddy Comment
  CHSC61566  Deschampsia elongata L. P. Janeway 1983-8-28 627 Siskiyou Siskiyou Mountains; at Poker Flat, a meadow. Northwest edge of the meadow, on the upper side of the road. 1524 Comment
  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
  RSA238390  Deschampsia elongata Frederick W. Oettinger 1969-8-29 1579 Siskiyou Margin of Katherine Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2027 Comment
  RSA728504  Deschampsia elongata Gary D. Wallace, Tom Jimmerson 1979-6-22 1857 Siskiyou Due west of Requa, NNW of Flint Valley, SE of Chimney Rock. Along 15N01. Comment
  UC1024735  Deschampsia elongata Leo Whitney 1934-6-29 3045 Siskiyou Antelope Creek near Tennant; Antelope Creek 1463 Comment
  UC203930  Deschampsia elongata Geo. D. Butler 1910-7-7 1648 Siskiyou Shackleford Creek 1219 Comment
  SEINET10524232  Deschampsia elongata Lawrence P. Janeway 1983-1 Janeway 662 Siskiyou Preston Peak Quad (15') T18N R6E S20 SW1/4. Siskiyou Mountains: at Poker Flat, a meadow in a fir forest. Along dirt road in dry southwest part of the meadow. 1524 Comment
  SEINET4567140  Deschampsia elongata E. Palmer 1892-1 2642 Siskiyou Near Mt. Shasta Comment
  CAS-BOT-BC43134  Descurainia pinnata subsp. brachycarpa Elmer I. Applegate 1935-6-5 9313 Siskiyou Modoc Stronghold, Lava Beds National Monument. Comment
  RSA47781  Descurainia pinnata subsp. filipes Roxana S. Ferris, Laura Lorraine 11829 Siskiyou Gazelle Mountain grade, road between Callahan and Gazelle. 1500 Comment
  CHSC91393  Descurainia pinnata subsp. halictorum Lowell Ahart; John Dittes 2005-6-10 12071 Siskiyou Rocky hillside north of the Shasta River, south of a poor dirt road, about 50 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
  CDA3688  Descurainia sophia T. C. Fuller 1958-4-17 4821 Siskiyou 4 miles east of Yreka. 0 Comment
  CAS-BOT-BC43519  Descurainia sophia A. A. Heller 1916-7-20 12463 Siskiyou Metcalf's Ranch, northeast base of Mount Eddy. 1188 Comment
  HSC19282  Dicentra formosa J. O. Sawyer 1968-7-10 486 Siskiyou Floodplain of Sugar Creek near Sugar Lake. 1799 Comment
  HSC48296  Dicentra formosa P. Stekel, K. Stillman May 1977 239 Siskiyou Along Happy Camp-O'Brien Rd. above Louse Creek Comment
  CAS-BOT-BC402475  Dicentra formosa subsp. formosa L. E. Smith 1913-4-24 100 Siskiyou Castle Crags Station Comment
  RSA433581  Dicentra formosa subsp. formosa M. B. Dunkle 1944-6-25 9004 Siskiyou Siskiyou Mts. Beaver Creek. 1677 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
  CAS-BOT-BC291011  Dieteria canescens var. shastensis Louis C. Wheeler 1934-8-24 3218 Siskiyou Trapper Creek, Siskiyou Mts. 1859 Comment
  UC61649  Dieteria canescens var. shastensis Geo. B. Grant September 1902 5119 Siskiyou Horse Camp, Mt. Shasta Mt. Shasta 2438 Comment
  CAS-BOT-BC290995  Dieteria canescens var. shastensis J. W. Congdon 1900-8-12 s.n. Siskiyou Foot Mt. Shasta Comment
  CAS-BOT-BC153650  Diplacus jepsonii Wm. Bridge Cooke 1937-7-9 9010 Siskiyou Above Bear Springs Comment
  CDA6687  Dipsacus fullonum T. C. Fuller 1959-7-9 2911 Siskiyou West of Highway 99, north limits Mt. Shasta City. 0 Comment
  HSC37534  Dodecatheon conjugens J. P. Smith 1974-5-26 7572 Siskiyou Along FS Rd. 47N03 1524 Comment
  CHSC96706  Dodecatheon jeffreyi Gordon Leppig; Jennifer Kalt 1996-7-9 353 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
  HSC67572  Dodecatheon jeffreyi J. P. Smith, Steve Selva 1970-7-17 4467 Siskiyou Below Kangaroo Lake. 1890 Comment
  HSC68410  Dodecatheon jeffreyi Maralyn A. Renner 1980-7-4 1412 Siskiyou Near trail about 0.25 mi. below Rattlesnake Meadow. 1585 Comment
  UC1190250  Dodecatheon jeffreyi Ira L. Wiggins 1955-7-27 13545 Siskiyou Caribou Lake Salmon-Trinity Alps Primitive Area, Caribou Lake 2042 Comment
  UC22390  Dodecatheon jeffreyi Harley P. Chandler June, 1901 1573 Siskiyou ridges and meadows near Marble Mountain; North Coast Ranges, near Marble Mountain 1828 Comment
  HSC44586  Dodecatheon jeffreyi Laura Witherspoon 1977-8-8 Siskiyou Flint Valley 1220 Comment
  CHSC71231  Downingia pulcherrima Vernon H. Oswald; Ken Beatty, Jay Thesken 1998-6-6 9171 Siskiyou Buckaroo Hole, Butte Valley National Grassland between Macdoel and Dorris. 1280 Comment
  JEPS94785  Downingia pulcherrima Vernon H. Oswald and Lowell Ahart 1998-7-21 9356 Siskiyou e of Grass Lake (ne of Weed and w of Bray on Old State Highway 0.8 mi e of Tennant Road); Old State Highway 1417 Comment
  RSA60640  Downingia yina Dorothy Parker 1948-7-11 100 Siskiyou Shovel Creek, near Beswick. 1012 Comment
  SEINET248096  Draba aureola Noel H. Holmgren, Patricia K. Holmgren; Melinda F. 1980-6-30 9447 Siskiyou Scott Mountains, upper Trinity River, Mount Eddy trial from Deadfall Meadows, top of Mount Eddy, 14 km (8.5 mi) air distance west of Mount Shasta City, at Siskiyou Co. line. 2740 Comment
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Jul 7 2020
  HSC19080  Draba howellii J. O. Sawyer 1969-7-2 1021 Siskiyou Slope above Big Blue Lake 2256 Comment
  CAS-BOT-BC210237  Draba pterosperma Dana York 2011-8-12 3038 Siskiyou Marble Mountain Wilderness. Klamath National Forest, Marble Mountain 2075 Comment
  CDA24831  Draba verna T. C. Fuller 1958-4-16 Siskiyou Giebner property, 4 miles south of Yreka. 0 Comment
  JEPS18871  Draperia systyla Rimo Bacigalupi with S. Galen Smith and Geo. Bacigalupi Jr. 1957-6-26 5965 Siskiyou Canyon at the headwaters of the South Fork of Sacramento River, about 3.5 miles below southwest of the town of Mt. Shasta [formerly Sisson] 1371 Comment
  HSC59615  Drymocallis glandulosa J. P. Smith, Steve Selva 1970-6-16 4062 Siskiyou 8 mi. W of Etna on road to Sawyers Bar. 1372 Comment
  HSC31284  Drymocallis glandulosa var. reflexa Frederick W. Oettinger 1968-8-15 526 Siskiyou Marble Mountains Wilderness Area, High Lakes Basins, E side of Hancock Lake 1921 Comment
  JEPS96969  Drymocallis lactea var. austiniae Dean W. Taylor 1996-7-25 15844 Siskiyou Scott Mtns.; Crater Lake, in cirque above upper lake (about 10 air miles west of Weed); Klamath National Forest Comment
  CAS-BOT-BC159295  Drymocallis lactea var. lactea Alice Eastwood 1921-7-28 10901 Siskiyou Medicine Lake Comment
  CAS-BOT-BC158427  Drymocallis rhomboidea Elmer I. Applegate 1935-6-8 9427 Siskiyou Bear Paw Cave, Lava Beds National Monument Comment
  SEINET3871630  Dryopteris arguta J. P. Smith, Steve Selva 1970-6-14 3873 Siskiyou Road to Steinacher Creek near Somes Bar.; 0 Comment
  POM120352  Dryopteris arguta Geo D. Butler 1910-7-8 1675 Siskiyou Shackleford Creek. 1220 Comment
  UC1593362  Dryopteris expansa Alan Smith with Chris Richards, C. Don Macneill, Janet Sowers, Bob Martin, Pat Toops, and Barney 1992-6-6 2540 Siskiyou at base of entrance pit Fossil Cave; Lava Beds Nat'l Monument 1280 Comment
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May 30 2013
  UCD98724  Dysphania botrys A. A. Heller 1916-8-24 12564 Siskiyou near Sisson. 1077 Comment
  UCD131239  Echinops sphaerocephalus Ken Baghott 1952-7-9 s.n. Siskiyou Tulelake area. Comment
  CAS-BOT-BC113723  Eleocharis acicularis Louis C. Wheeler 1934-6-29 2827 Siskiyou Mucky, sunny meadow in Soda Creek, Sterling Mt. 1280 Comment
  SEINET7583465 Image available Eleocharis acicularis Frederick W. Oettinger 1969-8-24 1518 Siskiyou Salmon Mountains, vicinity of English Peak Marble Moutain Wilderness Area, inlet to Upper English Lake. 1768 Comment
  CHSC118256  Eleocharis bella R. E. Brainerd; N. Otting 2013-7-12 2188 Siskiyou Klamath Mountains. Marble Mountains Wilderness Area. Upper Big Meadow, ca. 0.9 air mile northeast of Upper Wright Lake. UTM Zone 10 494918E 4604536N WGS84. 2167 Comment
  CHSC107110  Eleocharis parishii R. E. Brainerd 2009-7-23 1573 Siskiyou Klamath Mountains, 4.4 air miles east of Callahan, north side of Scott Mountain, 1.5 miles north of Scott Mountain Pass on State Highway 3. UTM Zone 10 523244E 4571568N. 1426 Comment
  UC618597  Eleocharis suksdorfiana W. Bridge Cooke 1938-7-21 11293 Siskiyou Panther Creek Middle Meadow, upper meadow 2286 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-BC451558  Elodea canadensis Louis C. Wheeler 1934-6-2 2624 Siskiyou Klamath National Forest, Cherry Flat 518 Comment
  CAS-BOT-BC227912  Elymus elymoides Louis C. Wheeler 1934-8-6 3057 Siskiyou Klamath National Forest. Rock Gulch 1828 Comment
  CAS-BOT-BC227923  Elymus elymoides L. E. Smith 1913-6-25 393 Siskiyou Montague Comment
  UC1024702  Elymus elymoides subsp. elymoides Leo Whitney 1934-6-21 2142 Siskiyou 2 mi se Tennant 1463 Comment
  UC197112  Elymus elymoides subsp. elymoides Geo. D. Butler 1910-7-12 1762 Siskiyou Shackleford Creek 1371 Comment
  SD104847  Elymus elymoides var. brevifolius Darley Howe 1979-6-26 Siskiyou Military Pass Road, 3 miles Southeast of California Highway 97 Comment
  RSA239025  Elymus glaucus Frederick W. Oettinger 1969-8-16 1391 Siskiyou Edge of talus southwest of Wire Grass Meadow above English Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1677 Comment
  CHSC61570  Elymus glaucus subsp. glaucus L. P. Janeway 1983-8-26 610 Siskiyou Siskiyou Mountains; at Poker Flat. On upper side of road on the north side of the meadow. 1524 Comment
  HSC101472  Elymus lanceolatus subsp. lanceolatus J. P. Smith, J. O. Sawyer, R. J. Cole 2010-7-11 12996 Siskiyou Gazelle-Callahan Road. 1233 Comment
  RSA34384  Epilobium anagallidifolium W. Bridge Cooke 1947-8-20 17818 Siskiyou Around the water supply spring above Horse Camp, Mount Shasta. 2515 Comment
  HSC77244  Epilobium brachycarpum L. P. Janeway 1983-9-11 666 Siskiyou Poker Flat 1524 Comment
  RSA34395  Epilobium brachycarpum W. Bridge Cooke 1947-8-1 17759 Siskiyou Along the Shasta Snowline Highway, Mt. Shasta 1677 Comment
  POM259017  Epilobium ciliatum subsp. ciliatum W. Bridge Cooke 1940-7-12 15324 Siskiyou Along Castle Lake road near the Brown-Shasta Ranch 1067 Comment
  RSA424894B  Epilobium ciliatum subsp. ciliatum 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
  SDSU8813  Epilobium ciliatum subsp. ciliatum D. F. Howe 1972-7-5 4873 Siskiyou 0.6 mile south of Oregon state line on road to Happy Camp. 1707 Comment
  POM171594  Epilobium ciliatum subsp. glandulosum Doris K. Kildale 1928-8-19 6560 Siskiyou Hancock Lake, on trail to Marble Mt. 2134 Comment
  POM258978  Epilobium glaberrimum subsp. glaberrimum W. Bridge Cooke 1940-8-8 15417 Siskiyou Mt. Shasta: along Squaw Valley Creek below McCloud water supply intake 1372 Comment
  UC1034571  Epilobium glaberrimum subsp. glaberrimum Douglas Barbe 1955-7-26 282 Siskiyou n slope Klamath Mountains, Scott Mountain 1920 Comment
  UCD80892  Epilobium hallianum Robert E. Preston 2001-7-21 1720 Siskiyou Rainbow Mountain and Vicinity. Klamath National Forest, north slope of Rainbow Mountain. 2066 Comment
  POM258624  Epilobium hornemannii subsp. hornemannii W. Bridge Cooke 1940-7-5 15288 Siskiyou Mt. Shasta: in the meadow at Wagon Camp 1738 Comment
  HSC49657  Epilobium minutum J. P. Smith 1973-5-5 6494 Siskiyou Trail to the Siskiyou cypress stand, off the Cook and Green Pass Rd. Comment
  HSC29167  Epilobium minutum Frederick W. Oettinger 1969-7-11 981 Siskiyou Marble Mtn. Wilderness Area, Little Medicine Mtn., N of Hancock Lake 2043 Comment
  HSC69083  Epilobium oreganum Maralyn A. Renner 1980-8-4 2218 Siskiyou Flint Valley 1390 Comment
  JEPS82422  Epilobium oreganum Gilbert Muth 1966-8-1 483 Siskiyou Marble Valley horse pasture Marble Mt. Wilderness Area 1792 Comment
  POM251090  Epilobium paniculatum W. Bridge Cooke 1938-7-22 11314 Siskiyou Mt. Shasta 1220 Comment
  JEPS109694  Epilobium siskiyouense Dean W. Taylor 2002-7-20 18268 Siskiyou The Eddys, Pacific Crest Trail ca. 0.5 mile North of Forest Road 17 2103 Comment
  UC1181349  Epilobium siskiyouense R. Ornduff with J. R. Swanson 1960-7-27 6272 Siskiyou just below summit (nw side of mt.); Scott Mountain Comment
  UC42526  Equisetum arvense Marshall A. Howe 1894-8-8 Siskiyou Shasta Springs Comment
  RSA639597  Equisetum hyemale var. affine L. C. Wheeler 1934-7-12 2902 Siskiyou Cottonwood Creek, Siskiyou Mtns. (Mt Diablo Mer.) 1220 Comment
  HSC34223  Equisetum laevigatum J. P. Smith 1974-5-25 7406 Siskiyou Along Rd. 8, 0.9 mi. from its junction with Hwy. 3 976 Comment
  HSC60047  Equisetum laevigatum M. A. Baker 1978-5-20 576 Siskiyou 3 km N of Somes Bar Comment
  CAS-BOT-BC204629  Eragrostis mexicana subsp. virescens Dorothy Parker 1949-7-24 84 Siskiyou McConahue Gulch, Scott Valley 914 Comment
  POM161564  Eragrostis pilosa Geo D. Butler 1910-8-28 1857 Siskiyou Oro Fino Comment
  CAS-BOT-BC481933  Eremogone congesta var. crassula Melissa A. Berry 1957-7-4 s.n. Siskiyou High CCC Road, S of Hwy 96, between Ridge and Humbug roads 1371 Comment
  SD76187  Ericameria bloomeri Helen V. Witham 1969-10-4 543 Siskiyou Black Butte Summit, 1.5 miles southwest of Weed 1000 Comment
  UC1408800  Ericameria bloomeri Robert F. Thorne and Fred Oettinger 1969-8-10 38988 Siskiyou s slope of Mt. Shasta; Mt. Shasta National Forest 2377 Comment
  UC179536  Ericameria bloomeri A. A. Heller 1914-8-26 11722 Siskiyou Weed 1066 Comment
  UCD131319  Ericameria bloomeri Joseph M. DiTomaso 1976-9-7 686 Siskiyou Big Flat. Trinity Alps. 1524 Comment
  UCD77638  Ericameria bloomeri Robert E. Preston 2001-8-26 1767 Siskiyou Klamath National Forest, north slope of Rainbow Mountain, 2011 Comment
  SEINET5647875 Image available Ericameria bloomeri Lowell E. Urbatsch, D. Clark 1974-1 1509 f Siskiyou Along road to Ski Bowl on Mt. Shasta.; Mount Shasta 1676 Comment
  CAS-BOT-BC287494  Ericameria greenei Louis C. Wheeler 1934-9-2 3238 Siskiyou Klamath Forest 1828 Comment
  POM211819  Ericameria greenei L. C. Wheeler 1934-8-24 3220 Siskiyou Trapper Creek. 1860 Comment
  CHSC105279  Ericameria nauseosa var. oreophila Lowell Ahart; John Dittes 2010-7-30 16970 Siskiyou Shasta Big Springs Lake, 2.6 miles (air) northwest of Big Springs Lake, 3.9 miles (air) southeast of Grenada, 6.3 miles (air) northwest of Dwinnel Dam. 778 Comment
  UC205565  Ericameria nauseosa var. oreophila H. M. Hall 1919-10-3 Siskiyou Shasta Valley Comment
  CAS-BOT-BC294307  Ericameria nauseosa var. speciosa Alice Eastwood 1917-9-2 6661 Siskiyou Shasta Springs Comment
  CAS-BOT-BC299464  Ericameria nauseosa var. speciosa Louis C. Wheeler 1934-6-26 2788 Siskiyou Camp Low, Klamath River, Siskyou Mts. 731 Comment
  JEPS21404  Ericameria nauseosa var. speciosa Willis L. Jepson 1894-8-4 Siskiyou half-way from Sisson to timber-line, sw slope of Mt. Shasta Region of the Upper Sacramento, Mt. Shasta Comment
  UCR198036  Ericameria pinifolia Daniel Sanchez-Mata 1997-9-18 s.n. Siskiyou Mount Shasta-McCloud close to Snowmans Hill 1488 Comment
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Jul 18 2018
  CAS-BOT-BC293493  Erigeron aliceae K. T. Stillman 1976-8-7 207 Siskiyou Marble Mountain Wilderness Area 1981 Comment
  RSA184709  Erigeron aliceae Gilbert Muth 1966-7-24 446 Siskiyou Marble Valley Meadow, Marble Mts. 1793 Comment
  UC922286  Erigeron aliceae Annie M. Alexander and Louise Kellogg 1949-7-19 5807 Siskiyou in meadows on trail up Kelsey Cr. (Paradise Lake); Marble Mountains, , Kelsey Cr. 2072 Comment
  CAS-BOT-BC294500  Erigeron bloomeri var. bloomeri Alice Eastwood 1912-8-30 2052 Siskiyou Mount Eddy Comment
  CHSC63595  Erigeron canadensis Vernon H. Oswald; Lowell Ahart 1994-8-10 6452 Siskiyou Pilgrim Creek Rd. (FS13) at Mud Creek, 2.7 mi N of Hwy. 89, ca. 4.5 mi (air) NE of McCloud. 1097 Comment
  HSC22451  Erigeron cervinus J. O. Sawyer 1969-7-25 1520 Siskiyou SE facing slope W of Sugar Lake 1845 Comment
  HSC29207  Erigeron cervinus Frederick W. Oettinger 1968-9-1 645 Siskiyou Marble Mtn. Wilderness Area, SSW of Abbotts Lake 1799 Comment
  JEPS57183  Erigeron compositus L. R. Heckard 1967-8-13 1692 Siskiyou near Mt. Eddy summit (on scree of s-facing slope); Mt. Eddy 2712 Comment
  HSC68443  Erigeron foliosus var. confinis Maralyn A. Renner 1980-7-4 1386 Siskiyou Near trail about 0.25 mi. below Rattlesnake Meadow 1585 Comment
  UC166195  Erigeron foliosus var. confinis Geo. D. Butler 1909-7-15 949 Siskiyou Highland Mine Russian Creek, Highland Mine Comment
  JEPS84322  Erigeron glacialis var. glacialis L. R. Heckard with J. Hickman et al. 1986-7-17 6475 Siskiyou trail up Kangaroo Peak (s of Lily Pad Lake, ca 5 mi n of town of Seiad Valley, in a n-facing cirque) 1800 Comment
  CAS-BOT-BC295395  Erigeron inornatus Dr. E. B. Copeland 1903-7-3 3531 Siskiyou Klamathon Comment
  LA203588  Erigeron inornatus S. F. Blake; 1938-7-22 11326 Siskiyou Mount Shasta, along the Sisson Southern Trail 1371 Comment
  UC179496  Erigeron inornatus var. inornatus A. A. Heller 1914-8-25 11717 Siskiyou along the railroad embankment near Deetz station (opposite Black Butte) 1158 Comment
  JEPS25854  Erigeron inornatus var. inornatus Rimo Bacigalupi with L. Constance and L. Heckard 1960-7-21 7486 Siskiyou overlooking headwaters of S. Fork of Scott River, just below road summit Cecilleville-Callahan road 1880 Comment
  RSA777991  Erigeron inornatus var. inornatus C. B. Wolf 1934-7-7 6031 Siskiyou 2 miles north of Shasta Springs 945 Comment
  RSA93122  Erigeron inornatus var. inornatus F. W. Peirson 1923-7-20 3876 Siskiyou 2 miles below camp on Whitney Creek, Mt. Shasta. Comment
  CAS-BOT-BC295460  Erigeron klamathensis Louis C. Wheeler 1934-8-6 3056 Siskiyou Rock Gulch off Jaynes Canyon, Siskiyou Mts. 1828 Comment
  HSC74916  Erigeron klamathensis J. P. Smith, Jennifer Whipple 1978-7-2 9969 Siskiyou Klamath National Forest, ridge trail E of Cook and Green Pass 1341 Comment
  RSA211199  Erigeron peregrinus subsp. callianthemus William J. Ferlatte 1966-8-5 336 Siskiyou Caribou Mtn., Open granite slopes and ridges. Near summit. 2470 Comment
  CAS-BOT-BC295804  Erigeron petrophilus var. viscidulus Louis C. Wheeler 1934-8-14 3140 Siskiyou Klamath National Forest. W. end White Mt. 1828 Comment
  CAS-BOT-BC300085  Erigeron philadelphicus Lewis S. Rose 1945-6-18 45097 Siskiyou Horse Creek & Klamath River 502 Comment
  CAS-BOT-BC300091  Erigeron philadelphicus Laura M. Lathrop 1903-7-17 s.n. Siskiyou Sisson Comment
  UC31542  Erigeron philadelphicus var. philadelphicus T. H. Gilbert Jun 15 1899-Jul 15 1899 Siskiyou Scott River Valley Comment
  UC727120  Erigeron pumilus var. intermedius A. A. Heller 1938-7-12 15261 a Siskiyou e base of Deer Mountain Comment
  HSC13522  Eriodictyon californicum C. B. Wolf 1927-8-26 1001 Siskiyou Klamath River, 5 mi. below Hornbrook Comment
  CHSC75737  Eriogonum compositum var. compositum Vernon H. Oswald; Lowell Ahart 1999-7-5 9803 Siskiyou Gazelle-Callahan Hwy. 11.1 mi west of Gazelle, 0.4 mi east of summit of Gazelle Mtn. 1158 Comment
  UC163807  Eriogonum compositum var. compositum Geo. D. Butler 1909-5-14 720 Siskiyou Klamath River Comment
  CAS-BOT-BC255726  Eriogonum elatum var. elatum John Thomas Howell 1937-7-21 13154 Siskiyou South Fork of Salmon River near Big Flat 1524 Comment
  CHSC71591  Eriogonum elatum var. villosum Vernon H. Oswald; Lowell Ahart 1998-8-3 9409 B Siskiyou USFS 41N03 1.0 mi east of its junction with Gazelle-Callahan Rd. 11.5 mi west of Gazelle. 1524 Comment
  HSC77152  Eriogonum hirtellum L. P. Janeway 1983-6-26 349 Siskiyou Below Rd. 18N33 0.5 mi. from the Grayback Rd. 976 Comment
  LA206883  Eriogonum marifolium W. B. C. after Stokes; 1939-8-8 13838 Siskiyou Mount Shasta, around Horse Camp 2438 Comment
  SD23786  Eriogonum marifolium Wm. Bridge Cooke 1938-8-18 11489 Siskiyou Mt. Shasta, lava slopes 2514 Comment
  UC912728  Eriogonum marifolium Lewis S. Rose 1937-7-25 37588 Siskiyou s slope of Mt. Shasta Mt. Shasta 1767 Comment
  UCD100399  Eriogonum marifolium Dean Wm. Taylor 1975-8-14 5460 Siskiyou Mt. Shasta; between Shasta Ski area and Green Butte. 2590 Comment
  RSA0049748  Eriogonum marifolium var. cupulatum Dean Wm. Taylor 2012-8-22 21301 Siskiyou Mt. Shasta vicinity; Pilgrim Creek Snowmobile Park, growing on the north shoulder Pilgrim Creek Road (Forest Road 12) about 200 meters east thereof; Shasta-Trinity National Forest 1210 Comment
  HSC69137  Eriogonum nudum Maralyn A. Renner 1980-8-8 2481 Siskiyou Klamath National Forest, near trail, ~0.5 mi. down from Rattlesnake Meadow 1555 Comment
  CAS-BOT-BC261620  Eriogonum nudum var. nudum R. Tofsrud; J. M. Tucker 1948-8-2 1753 Siskiyou Outskirts of McCloud Comment
  CDA22628  Eriogonum nudum var. nudum T. C. Fuller 1962-8-3 9504 Siskiyou Siskiyou Mountains; 200 yards up Raggedass Gulch, east of Beaver Creek, 5 miles north of the Klamath River. 0 Comment
  HSC43064  Eriogonum nudum var. nudum J. P. Smith, Steve Selva 1970-7-27 4519 Siskiyou Gumboot Lake 1768 Comment
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Jun 7 2012
  RSA393331  Eriogonum nudum var. nudum L. S. Rose 1937-6-26 37601 Siskiyou 3 miles east of Mt. Shasta City. 1372 Comment
  CAS-BOT-BC269744  Eriogonum nudum var. oblongifolium A. A. Heller 1916-9-1 12641 Siskiyou Near Yreka Comment
  POM105615  Eriogonum nudum var. oblongifolium Geo. D. Butler 1910-7-3 1628 Siskiyou Goosenest foothills. 1220 Comment
  CAS-BOT-BC272501  Eriogonum nudum var. pubiflorum John Thomas Howell 1934-7-4 12396 Siskiyou Se. corner of Siskiyou Co. Comment
  HSC42998  Eriogonum nudum var. pubiflorum J. P. Smith, Steve Selva 1970-6-15 3977 Siskiyou 1 mi. W of junction of Hwy. 3 and Rd. 8 leading to Sugar Creek 1159 Comment
  POM105412  Eriogonum nudum var. pubiflorum George B. Grant 1902-9-10 3500 Siskiyou Sissons [town of Mount Shasta] Comment
  UCD100722  Eriogonum nudum var. pubiflorum R. Tofsrud; J. M. Tucker 1948-8-2 1753 Siskiyou outskirts of McCloud. Comment
  SEINET10733992  Eriogonum pyrolifolium Andrew Townesmith, Karen M. Meyer 2007-7-30 Townesmith 866 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. T41N R3W S33 NW 1/4. 2399 Comment
  CHSC1329  Eriogonum pyrolifolium var. pyrolifolium K. Jaekel; N. Jaekel 1939-7-8 Siskiyou Panther Meadows, Mt. Shasta. Comment
  CHSC34102  Eriogonum siskiyouense J. D. Jokerst; M. D. Huffine 1981-9-8 1463 Siskiyou E of and adjacent to rd. 1249 Comment
  UC1037412  Eriogonum siskiyouense Douglas Barbe 1955-7-28 316 Siskiyou nw Scott Mountain; Klamath Mountains 1737 Comment
  RSA50192  Eriogonum sphaerocephalum E. K. Balls 1949-7-8 13912 Siskiyou Trail from Scott Mountain Camp to Carmen Lake; Scott Mountain. 1753 Comment
  CHSC71311  Eriogonum sphaerocephalum var. halimioides Vernon H. Oswald; Mike Dolan, Beth Corbin 1998-6-27 9242 Siskiyou Big Tableland at the southwest edge of the lower Klamath National Wildlife Refuge. Comment
  CAS-BOT-BC263394  Eriogonum strictum var. proliferum Copeland 1903-9-7 3873 Siskiyou Mt. Eddy Comment
  HSC43455  Eriogonum strictum var. proliferum Jennifer Whipple 1977-8-4 2151 Siskiyou Wagon Creek drainage on the E face of Mt. Eddy 2439 Comment
  CAS-BOT-BC263447  Eriogonum ternatum James L. Reveal; Darin S. Reveal 1978-8-9 4812 Siskiyou Along the dirt road to Baldy Mountain Lookout (USFS # 17N11), 0.6 mile south of the junction of 17N23, on a ridge dividing Doolittle Creek and Little South Fork, about 3.5 miles north-northeast of the lookout 1341 Comment
  CAS-BOT-BC267954  Eriogonum umbellatum Elmer I. Applegate 1935-6-2 9271 Siskiyou Indian Well, Lava Beds National Monument Comment
  HSC67771  Eriogonum umbellatum J. O. Sawyer, J. Cole 1980-7-20 3801 Siskiyou E side of Grouse Hill 2134 Comment
  RSA237775  Eriogonum umbellatum var. argus Frederick W. Oettinger 1969-8-25 1548 -a Siskiyou Midway between Tom Taylor Cabin and Little North Fork River trail. Salmon Mtns. High Lake Basins in the vicinity of English Peak. Marble Mt Wilderness Area. 2012 Comment
  UC454348  Eriogonum umbellatum var. argus I. J. Condit 1909-8-23 Siskiyou near Sisson; Castle Lake 1828 Comment
  JEPS56184  Eriogonum umbellatum var. dumosum W. L. Jepson 1914-8-14 6166 Siskiyou Dunsmuir 670 Comment
  RSA0033766  Eriogonum umbellatum var. humistratum Barbara Ertter 1990-7-14 9327 Siskiyou Wagon Creek on E side of Mt. Eddy, ca. 4 airmiles W of Mt. Shasta City; open rocky dry ridge S of & above creek. 1950 Comment
  RSA0005163  Eriogonum umbellatum var. lautum James 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
  JEPS110482  Eriogonum umbellatum var. modocense Robert E. Preston 2001-7-21 1708 Siskiyou Klamath National Forest, N slope of Rainbow Mountain. 2026 Comment
  CAS-BOT-BC94539  Eriogonum umbellatum var. nelsoniorum R. C. Wenk 2006-7-23 530 Siskiyou Trinity Alps, Coffee Creek Road, Big Flat Meadow. Allong Yellow Rose Mine trail to Dorleska Mine. Growing on barren 2042 Comment
  CAS-BOT-BC265198  Eriogonum umbellatum var. nevadense Frank W. Peirson 1923-7-19 3711 Siskiyou Near Bray Comment
  CAS-BOT-BC265199  Eriogonum umbellatum var. nevadense A. A. Heller 1922-7-14 13684 Siskiyou Near Pumice Stone Mountain Comment
  CAS-BOT-BC262383  Eriogonum vimineum L. R. Abrams 1927-9-11 12144 Siskiyou Fork of Klamath and Shasta Rivers Comment
  HSC69349  Eriophorum crinigerum Maralyn A. Renner 1980-8-21 2548 Siskiyou Kidd Creek 2043 Comment
  CHSC4651  Eriophyllum lanatum R. Carter 1966-5-15 403 Siskiyou One mile E of Callahan on N side of Callahan-Gazelle Rd. Opposite a small meadow. 914 Comment
  HSC45903  Eriophyllum lanatum Laura Witherspoon 1978-8-18 98 Siskiyou Klamath National Forest; Ball Mtn. Lookout Comment
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Oct 17 2014
  CAS-BOT-BC301113  Eriophyllum lanatum var. achilleoides A. A. Heller 1916-7-22 12488 Siskiyou East side of Mt. Eddy Comment
  CAS-BOT-BC301122  Eriophyllum lanatum var. achilleoides Alice Eastwood 1912-8-30 1966 Siskiyou Mount Eddy Comment
  UC507118  Eriophyllum lanatum var. achilleoides Lincoln Constance 1933-6-21 E 86 Siskiyou 1 mi s Weed Comment
  UC726554  Eriophyllum lanatum var. achilleoides A. A. Heller 1916-7-22 12488 Siskiyou e side Mt. Eddy Comment
  RSA48585  Eriophyllum lanatum var. achilleoides P. A. Munz 1949-5-18 13309 Siskiyou 2 miles southwest of Gazelle. Comment
  CHSC91365  Eriophyllum lanatum var. grandiflorum Lowell Ahart; John Dittes 2005-6-10 12090 Siskiyou Rocky hillside, north of the rock fence, about 150 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
  CDA5415  Eriophyllum lanatum var. integrifolium T. C. Fuller 1962-8-3 9500 Siskiyou Siskiyou Mountains; 200 yards up Raggedass Gulch, east of Beaver Creek, 5 miles north of the Klamath River. 0 Comment
  CAS-BOT-BC301706  Eriophyllum lanatum var. lanceolatum Philip A. Munz 1952-7-3 17920 Siskiyou Fort Goff Public Camp, Klamath River 365 Comment
  HSC355  Eriophyllum lanatum var. lanceolatum William J. Ferlatte 1967-8-17 957 Siskiyou Yellow Rose Mine 1982 Comment
  RSA238888  Eriophyllum lanatum var. lanceolatum Frederick W. Oettinger 1969-8-18 1435 Siskiyou Northeast of Horse Range Lake. Salmon Mountains, High Lake Basins in the vicinity of English Peak, Marble Mountain Wilderness Area 1822 Comment
  RSA78806  Eriophyllum lanatum var. lanceolatum P. A. Munz 1952-7-3 17920 Siskiyou Ft. Goff Public Camp, Klamath River 366 Comment
  UC609331  Eriophyllum lanatum var. lanceolatum Eleanor Burks Hart 1938-8-15 888 Siskiyou Upper Wright Lake; n side 2225 Comment
  UC198755  Eruca vesicaria subsp. sativa Annie M. Alexander and L. Kellogg 1911-6-6 117 Siskiyou Gazelle Comment
  CAS-BOT-BC54585  Erysimum capitatum R. E. Frenkel 1965-6-14 942 Siskiyou On Everitt Memorial Highway, 2.7 miles north of McCloud River RR crossing near Mount Shasta. 1508 Comment
  RSA238400  Erysimum capitatum var. perenne Frederick W. Oettinger 1967-8-12 250 Siskiyou Near Tom Taylor Cabin. The Salmon Mtns. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2104 Comment
  HSC194  Erysimum perenne William J. Ferlatte 1966-7-6 184 Siskiyou Caribou Mtn. 2470 Comment
  HSC91050  Erysimum perenne Jennifer Whipple 1978-10-6 2410 Siskiyou Slopes in the Eddy Creek drainage 2287 Comment
  SEINET8390058  Erythranthe linearifolia Christine C. Lorain 1994-8-14 2267 Siskiyou on trail along Deadfall Creek near Lower Deadfall Lake at eastern base of Mt. Eddy; Shasta National Forest. 2134 Comment
  SEINET13723920 Image available Erythranthe moniliformis John M. Tucker, Louis K. Mann 1963-1 3690 Siskiyou Ca. 4.7 miles (by road) southwest of Etna, beside road from Etna to Sawyer's Bar Comment
  SD61025  Erythranthe primuloides Darley F. Howe 1964-8-4 Siskiyou Meadow, Medicine Lake, Modoc Nat. Forest 2012 Comment
  CAS-BOT-BC133270  Erythronium citrinum F. D. Douthitt 1926-3-16 6 Siskiyou Klamath National Forest, Klamath River near Horse Creek 487 Comment
  RSA28196  Erythronium citrinum var. citrinum Elmer I. Applegate 1932-4-15 7059 Siskiyou Quartz Valley, near Fort Jones Comment
  SEINET10924656 Image available Eschscholzia californica Edwin B. Copel 1903-7-2 Copeland 3532 Siskiyou Klamathon. On a dry hill. Comment
  JEPS1734 Image available Eucephalus breweri unknown 1910-8-1 Siskiyou near Sissons Comment
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Sep 2 2014
  HSC27009  Eucephalus glabratus J. P. Smith, J. O. Sawyer 1972-9-12 5774 Siskiyou Scott Mtn., slopes E of Big Carmen Lake 1982 Comment
  HSC61202  Eucephalus glabratus Al Hobart 1967-8-7 Siskiyou El Capitan 1524 Comment
  JEPS74517  Eucephalus glabratus W. J. Ferlatte 1966-8-3 294 Siskiyou Josephine Lake Basin , Trinity Alps 1920 Comment
  UC1409464  Eucephalus glabratus Frederick W. Oettinger 1968-8-16 548 Siskiyou Hancock Lake, vicinity of English Peak Salmon Mountains, Marble Mountain Wilderness Area, Hancock L 1935 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
  CAS-BOT-BC310456  Eucephalus ledophyllus var. covillei W. R. Dudley 1901-8-18 s.n. Siskiyou Jackson's Lake, Salmon Mts. Comment
  RSA184656  Eucephalus ledophyllus var. covillei Clare B. Hardham 1965-08 13005 Siskiyou Near Cudahy Lakes, Marble Mountains 1524 Comment
  HSC93864  Eucephalus ledophyllus var. ledophyllus Jennifer Whipple 1977-8-4 2158 Siskiyou Wagon Creek drainage on the E face of Mount Eddy 2226 Comment
  RSA120927  Euphorbia crenulata Milo S. Baker, Douglas Barbe, H. K. Wagnon 1957-6-15 13104 Siskiyou Just south of Weed. Comment
  UC1034614  Euphorbia palmeri Douglas Barbe 1955-6-29 10 Siskiyou 0.2 mi n Callahan; Klamath Mountains 975 Comment
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Mar 8 2012
  UC135418  Eurybia radulina Dr. E. B. Copeland 1903-9-8 3869 Siskiyou foot of Mt. Eddy Mt. Eddy 121 Comment
  JEPS22446  Euthamia occidentalis Geo. D. Butler 1908-9-25 500 Siskiyou between Yreka and Montague Yreka; Shasta River Comment
  HSC2274  Euthamia occidentalis Geo. D. Butler 1910-8-27 1859 Siskiyou Comment
  UC1557805  Euthamia occidentalis J. Semple, S. Heard 1986-8-16 8468 Siskiyou 1.6 km w Horse Creek (CA-96, before CA-3) Comment
  HSC30522  Festuca idahoensis Frederick W. Oettinger 1969-8-16 1410 Siskiyou Marble Mtn.Wilderness Area, NE of Wiregrass Meadow, near English Lake 1677 Comment
  JEPS94900  Festuca idahoensis Vernon H. Oswald and Lowell Ahart 1998-6-11 9193 Siskiyou ne of Weed (Shasta National Forest plantation on the w side of Highway 97 2.2 mi ne of Lake Shastina-Big Springs Road); Shasta National Forest plantation 1066 Comment
  RSA239117  Festuca idahoensis Frederick W. Oettinger 1969-9-2 1584 Siskiyou Bear Meadow near Tom Taylor Cabin. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2027 Comment
  SBBG6156  Festuca idahoensis C. Bornstein 1996-6-29 Siskiyou Caltrans Mt Shasta Vista Pt Overlook 1524 Comment
  CAS-BOT-BC278881  Festuca occidentalis Ira L. Wiggins 1955-7-24 13498 Siskiyou Ridge betw. upper reaches of China & Blind Horse Creeks 1645 Comment
  HSC19058  Festuca occidentalis J. O. Sawyer 1969-7-23 1185 Siskiyou Along road near Horse Range Creek. 1341 Comment
  UCD37078  Festuca occidentalis Beecher Crampton 1956-8-21 3811 Siskiyou 15 miles southwest of city of Mount Shasta, slope above Gumboot Lake, headwater of south fork of Sacramento River. 1920 Comment
  UCD66184  Festuca occidentalis Geo. D. Butler 1910-6-5 1481 Siskiyou Shackleford Creek. Comment
  JEPS57228  Festuca roemeri L. R. Heckard 1967-8-13 1711 Siskiyou e flank Mt. Eddy 2727 Comment
  UC12221  Fragaria Harley P. Chandler Jun 1901 1569 Siskiyou near Marble Mountain; North Coast Ranges 1828 Comment
  JEPS44878  Fragaria virginiana W. L. Jepson Jul 1894 13876 Siskiyou Sisson Comment
  HSC92639  Frangula californica subsp. occidentalis Jennifer Whipple 1976-8-21 1734 Siskiyou S face of Mt. Eddy draining into N Fork of the Sacramento River 2378 Comment
  CAS-BOT-BC59980  Frangula purshiana Louis C. Wheeler 1934-10-28 3351 Siskiyou Shasta River 2 mi. below Yreka Creek. Siskiyou Mts. 822 Comment
  CAS-BOT-BC60012  Frangula purshiana Elmer I. Applegate 1895-5-31 64 b Siskiyou Sisson, Mt. Shasta. Comment
  HSC100303  Frangula rubra J. P. Smith, & J. O. Sawyer 2011-6-25 13272 Siskiyou Along Sugar Creek Rd., 1.8 mi. E of Hwy. 3. 968 Comment
  HSC77025  Frangula rubra K. T. Stillman 1976-6-25 51 Siskiyou Marble Mtn. Wilderness Area, SW facing slope. 1921 Comment
  CAS-BOT-BC59598  Frangula rubra subsp. rubra A. A. Heller 1905-6-22 8087 Siskiyou Between Igerna and Weed 1158 Comment
  CAS-BOT-BC130176  Fritillaria affinis Mrs. A. E. Stonehouse 1917-4-25 s.n. Siskiyou Hilt Comment
  HSC36928  Fritillaria atropurpurea J. P. Smith 1974-5-26 7558 Siskiyou Along FS Rd. 47N03 1524 Comment
  SEINET12054443  Fritillaria atropurpurea H. P. Chandler 1901-1 Siskiyou Comment
  UC1076048  Fritillaria pudica Herbert L. Mason 1947-5-17 14778 Siskiyou summit of Scott Mountain grade Scott Mountain Comment
  RSA367754  Fritillaria recurva A. Sandig 1917-05 s.n. Siskiyou Mt. Shasta region [possibly also Shasta Co.] Comment
  JEPS18602  Galium bifolium Rimo Bacigalupi with S. Galen Smith and Geo. Bacigalupi Jr. 1957-7-26 5948 Siskiyou s end Gumboot Lake 1859 Comment
  RSA264982  Galium bifolium Gilbert Muth 1975-7-29 s.n. Siskiyou Near Kangaroo Mtn. Near Seiad Valley. 1756 Comment
  HSC39826  Galium bolanderi J. O. Sawyer 1969-7-25 1528 Siskiyou SE facing slope W of Sugar Lake 1845 Comment
  HSC72354  Galium bolanderi J. P. Smith, J. O. Sawyer, Kevin Sawyer, Jane Sawyer 1976-9-5 8972 Siskiyou Hwy. 3, 4 mi. N of Siskyou-Trinity Co. line Comment
  JEPS6706  Galium bolanderi W. L. Jepson July 1894 Siskiyou near Sisson; Muir Peak (= Black Butte) Comment
  UC1094388  Galium bolanderi Rimo C. Bacigalupi with Galen Smith 1957-6-26 5962 Siskiyou w town of Mount Shasta (along road to Gumboot Lake, ca 4 mi sw of junction with the North Fork); South Fork of the Sacramento River 1432 Comment
  JEPS87642  Galium boreale subsp. septentrionale Vernon H. Oswald and Lowell Ahart 1994-8-10 6459 Siskiyou FS 40N39 ca. 0.5 mi w Harris Spring Rd. (FS15) (ca 4 air mi nne of Bartle); Bartle Creek, Stillwater Meadows 1359 Comment
  HSC81665  Galium glabrescens subsp. glabrescens Thomas W. Nelson, Jane P. Nelson 1980-7-17 6073 Siskiyou Along FS Rd. 17, 1 mi. N of summit at county line 2073 Comment
  HSC90594  Galium glabrescens subsp. glabrescens Jennifer Whipple 1977-7-22 2036 Siskiyou Mt. Eddy, Dobkins Lake drainage on E facing slopes above Dobkins Lake 2256 Comment
  CAS-BOT-BC223192  Galium serpenticum subsp. scotticum Alice Eastwood; John Thomas Howell 1937-6-25 5021 Siskiyou Scott Mts. s. of Callahan Comment
  JEPS6561  Galium trifidum var. pacificum Willis L. Jepson Jul 24 1894-Aug 10 1894 Siskiyou Sisson Region of the Upper Sacramento Comment
  HSC77762  Galium triflorum L. P. Janeway 1983-9-11 676 Siskiyou Poker Flat 1524 Comment
  CAS-BOT-BC182151  Garrya fremontii C. Hart Merriam 1907-9-26 s.n. Siskiyou Shovel Creek, Klamath Canyon near Klamath Hot Spgs. Comment
  CAS-BOT-BC182232  Garrya fremontii Edward Lee 1934-8-13 1058 Siskiyou Happy Camp to Waldo (Oregon) road, watershed of West Branch of Indian Creek, Klamath National Forest 1219 Comment
  CAS-BOT-BC182245  Garrya fremontii C. B. Wolf 1931-9-2 s.n. Siskiyou 4 miles above junction of McCloud Road with the Pacific Highway 1188 Comment
  CAS-BOT-BC182265  Garrya fremontii Wm. F. Herrin 1921-10-10 s.n. Siskiyou Shasta Springs Comment
  CAS-BOT-BC182275  Garrya fremontii Alice Eastwood 1912-8-28 1945 Siskiyou Cantara Comment
  HSC29256  Garrya fremontii Frederick W. Oettinger 1968-8-18 581 Siskiyou HIgh Lake basin in the vicinity of English Peak, Marble Mtn Wilderness Area. NE side of Hancock Lake 1936 Comment
  RSA300516  Garrya fremontii John Dourley, Walter Wisura 1982-10-17 3879 Siskiyou Mill Creek Ridge, ca. 18 mi N of Happy Camp, along old road up Indian Creek. 1524 Comment
  HSC30236  Garrya fremontii William J. Ferlatte 1969-6-26 1191 Siskiyou Big Flat near campground 1524 Comment
  HSC58862  Gaultheria ovatifolia Marvin Butler 1971-7-29 231 Siskiyou Near El Capitan Lake 1585 Comment
  SEINET10453068  Gayophytum diffusum Mary Susan Taylor 1980-8-19 Taylor 3267 A Siskiyou T43N R2E se sec 23, Medicine Lake quad. Shasta-Trinity Natl Forest, in pumice, on Paint Pot Crater. With J. Prouty & E. Heinz. 1920 Comment
  JEPS40900  Gayophytum diffusum subsp. parviflorum Paul C. Hutchison 1962-8-3 946 Siskiyou just e Paint Pot Crater (between Grasshopper Flat and Little Medicine Lake) 1783 Comment
  HSC29481  Gayophytum diffusum subsp. parviflorum Frederick W. Oettinger 1969-8-14 1380 Siskiyou Marble Mtn. Wilderness Area, camp site, English Lake 1738 Comment
  POM355343  Gayophytum eriospermum E. Yale Dawson 1948-7-16 5097 Siskiyou Grass Lake; Margins of Grass Lake, a drying, vernal lake north of Mount Shasta 1524 Comment
  POM258616  Gayophytum heterozygum W. Bridge Cooke 1940-7-12 15343 Siskiyou Mount Shasta: Along the Sisson Southern Trail near MacBride Springs. 1524 Comment
  RSA237868  Gayophytum humile Frederick W. Oettinger 1969-8-14 1379 Siskiyou Campsite, English Lake. Salmon Mtns. High Lake Basins in the vicinity of English Peak. Marble Mtn Wilderness Area 1738 Comment
  RSA183726  Gentiana calycosa Gilbert Muth 1965-8-6 175 Siskiyou On trail behind Black Mt., Marble Mountains. Comment
  RSA479473  Gentiana plurisetosa Theodore F. Niehaus 1972-8-29 935 Siskiyou About 1/4-1/2 mile east on right side (south) of Old Horse Trail (to Trinity Summit Station) directly east from crossing of new forest road at Oregon Creek, a tributary of upper Tish-Tang a Tang Creek, western Salmon Mountains. 1707 Comment
  SEINET8586142  Gentiana plurisetosa G. D. Butler 1910-7-9 1709 Siskiyou Shackleford Creek. 1220 Comment
  LA205553  Gentiana setigera C. C. Harris; S. K. Harris 1939-8-29 976 Siskiyou Half Moon Meadow, Marble Mountain Primitive Area 1670.0 Comment
  SEINET12651468 Image available Gentiana setigera C. C. Harris, S. K. Harris 1939-8-29 976 Siskiyou Half Moon Meadow, Marble Mountain Primitive Area. 1670 Comment
  UC1059019  Gentianopsis simplex A. H. Murphy 1956-8-16 56 R Siskiyou Klamath Nat'l Forest, Big Marshy Meadows 1981 Comment
  UC455391  Geranium carolinianum I. J. Condit Jul 1911 Siskiyou Shasta Retreat Comment
  SBBG16394  Geum aleppicum D. Myrick 1961-6-20 277 Siskiyou rd to Bear Springs E of Mt Shasta City 1371 Comment
  CAS-BOT-BC459622  Geum macrophyllum L. E. Smith 1913-6-12 396 Siskiyou Road from Sissson to Castle Lake Comment
  HSC30508  Geum macrophyllum Frederick W. Oettinger 1969-8-9 1316 Siskiyou Near Young's Cabin, Salmon Mts. 1357 Comment
  JEPS60241  Geum triflorum L. R. Heckard with L. Constance and R. Ornduff 1969-6-24 2301 Siskiyou 0.8 mi s Bray junction (on U.S. Hwy 97, Murphy Wells); Murphy Wells 1493 Comment
  RSA237950  Gilia capitata Frederick W. Oettinger 1968-8-16 536 Siskiyou Summit of Red Hill, N of Hancock Lake. Salmon Mtns. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2058 Comment
  RSA469330  Gilia capitata N. G. Sugihara 1977-5-28 73 Siskiyou hillside 3 miles up road toward Sawyers Bar from hgwy 96 south of Somes Bar. 1128 Comment
  JEPS69515  Gilia capitata subsp. capitata Geo. D. Butler 1909-5-10 741 Siskiyou near Yreka; near Yreka Comment
  CAS-BOT-BC282721  Glyceria elata Alice Eastwood 1921-7-31 s.n. Siskiyou Shasta Springs Comment
  CDA28233  Glyceria elata T. C. Fuller 1975-10-23 20114 Siskiyou North side of Klamath River Hwy, Hwy 96, 1 mile west of Happy Camp. 0 Comment
  CAS-BOT-BC302667  Gnaphalium palustre Alice Eastwood 1921-7-29 10967 Siskiyou Medicine Lake Comment
  CAS-BOT-BC302677  Gnaphalium palustre A. A. Heller 1915-8-24 12211 Siskiyou Metcalf's ranch, northeast base of Mt. Eddy 1188 Comment
  HSC29140  Gnaphalium palustre Frederick W. Oettinger 1968-9-5 722 Siskiyou High Lake Basins near English Peak; Marble Mtn. Widerness Area: SE side of Hancock Lake 1951 Comment
  HSC29163  Gnaphalium palustre Frederick W. Oettinger 1969-9-4 1627 Siskiyou E side of Hancock Lake 1951 Comment
  UC1408895  Gnaphalium palustre F. W. Oettinger 1969-8-21 1479 Siskiyou near Ethel Lake (w Siskiyou County); Salmon Mountains, Ethel Lake Comment
  UC885859  Gratiola ebracteata Louis C. Wheeler 1935-6-13 3570 Siskiyou Greenview , Greenview (Scott Valley) 883 Comment
  CDA6075  Grindelia camporum T. C. Fuller 1963-8-27 11157 Siskiyou In railroad yards, Grenada, Shasta Valley. 0 Comment
  HSC22095  Hackelia bella J. O. Sawyer 1969-7-23 1437 Siskiyou N of Jackson Lake 2043 Comment
  HSC23596  Hackelia bella J. O. Sawyer 1969-7-18 1437 Siskiyou 1951 Comment
  CHSC66538  Hackelia californica Vernon H. Oswald 1996-7-12 8000 Siskiyou High Cascade Range. Everitt Memorial Hwy. (A10) E of Mt. Shasta city between mileposts 6 and 7. At roadside. 1767 Comment
  RSA235840  Hackelia californica J. L. Gentry Jr., David Vierig 1968-6-18 2064 Siskiyou 3.7 miles northeast of Mt. Shasta City on U.S. Forest Road 40N25. Comment
  UC163856  Hackelia micrantha Geo. D. Butler 1908-8-6 13 Siskiyou Whiskey Camp Independence Creek Comment
  UC722440  Hackelia micrantha C. L. Hitchcock, J. S. Martin 1939-7-6 5219 Siskiyou Takilma-Happy Camp Road 1676 Comment
  UCR39975  Hackelia micrantha L. P. Janeway 1983-7-31 470 Siskiyou Poker Flat 1524 Comment
  RSA235885  Hackelia micrantha J. L. Gentry Jr., David Vierig 1968-6-17 2063 Siskiyou Siskiyou Mountains, 20.9 miles north of Happy Camp (Calif. Hwy. 96) 1.5 miles from jct. U.S. Forest Roads 1916 & 1916B on road 1916. 1372 Comment
  CHSC31061  Hackelia mundula M. S. Taylor 1980-7-8 3108 Siskiyou On trail, e side of Castle Lake to Little Castle Lake. 1767 Comment
  UC455973  Hackelia mundula I. J. Condit 1909-8-23 Siskiyou near Sisson; Castle Lake 1981 Comment
  RSA495512  Hackelia setosa Elaine Joyal, D. Mehlman 1988-6-25 1271 Siskiyou Happy Camp - Takilma road at turn-off to Bolan Lake 1524 Comment
  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
  SD46490  Hastingsia alba E. K. Balls, L. W. Lenz 1956-6-18 21720 Siskiyou In boggy meadows and ditches. 5.7 miles southeast of Gazelle, U.S. Highway 99, Yreka to Dunsmuir. 883 Comment
  UC1041016  Hastingsia alba J. W. Congdon 1900-8-8 Siskiyou near Sisson; near Sisson Comment
  UC119828  Hastingsia alba J. W. Congdon Aug 1900 Siskiyou Sisson , Sisson (Mt. Shasta) Comment
  UC705670  Hastingsia alba Marion Ownbey, Fred G. Meyer 1940-7-7 2216 Siskiyou near summit Cayenne Ridge; Marble Mountain Comment
  CAS-BOT-BC504597  Hastingsia alba Doris K. Kildale 1928-7-4 5503 Siskiyou Summit of divide between Sawyers Bar & Etna Comment
  SEINET8480288  Hastingsia alba G. D. Butler 1910-6-5 1482 Siskiyou Shackleford Creek. Comment
  UC892017  Hazardia whitneyi var. discoidea Louis C. Wheeler 1934-8-5 3045 Siskiyou Condrey Mt., Mt. Diablo Mer Siskiyou Mts., Condrey Mt. 2164 Comment
  HSC33328  Hazardia whitneyi var. discoidea William J. Ferlatte 1974-7-25 1589 Siskiyou Grouse Ridge on Trinity Co. line, just S of summit of Preachers Peak. 2165 Comment
  CAS-BOT-BC306749  Helenium bigelovii Geo. D. Butler 1910-7-7 1649 Siskiyou Shackleford Creek 1219 Comment
  HSC772  Helenium bigelovii William J. Ferlatte 1967-8-17 947 Siskiyou Yellow Rose Mine 1982 Comment
  CAS-BOT-BC306733  Helenium bigelovii Doris K. Kildale 1929-8-25 9028 Siskiyou White's Meadow, trail to Preston Peak 1371 Comment
  CAS-BOT-BC306748  Helenium bigelovii H. A. Thomas; J. H. Thomas 1954-7-23 4454 Siskiyou Salmon - Trinity Mts. About 6 miles SE of Cecilville. Growing between Mt. View Cabin and S. Fork of Salmon River 914 Comment
  RSA696014  Helenium bigelovii Barbara Ertter, Julie Kierstead, James Nelson 1990-7-15 9353 Siskiyou Morgan Meadows on east side of Mount Eddy about 5 air miles due west of Mount Shasta City. 1677 Comment
  RSA15801  Helianthus bolanderi C. B. Wolf 1927-8-26 1055 Siskiyou Klamath River. 3 miles below Gottenville P.O. Comment
  CAS-BOT-BC313463  Hemizonella minima A. A. Heller 1905-6-13 8016 Siskiyou Near Mott Comment
  CHSC30914  Hemizonella minima M. S. Taylor 1980-7-8 3113 Siskiyou On ridge s of Castle Lake, above Hearts lake. 2016 Comment
  HSC29117  Hemizonella minima Frederick W. Oettinger 1969-7-11 973 Siskiyou High Lake Basins near English Peak; Marble Mtn. Wilderness Area: NW of Hancock Lake outlet 1936 Comment
  POM210916  Hemizonia fitchii L. C. Wheeler 1934-10-6 3309 Siskiyou Shasta Valley, 2 mi. SE of Yreka. 854 Comment
  HSC69727  Heracleum maximum Maralyn A. Renner 1980-7-15 1765 Siskiyou English Lake inlet 1780 Comment
  RSA612323  Herniaria hirsuta subsp. cinerea L. C. Wheeler 1935-5-1 3449 Siskiyou Yreka Creek. Siskiyou Mountains. (Mt. Diablo Mer.) 854 Comment
  HSC4130  Herniaria hirsuta var. cinerea L. C. Wheeler 1935-6-15 3588 Siskiyou 3 mi. S of Greenview, Scott Valley, Mt. Diablo Meridian 884 Comment
  SD11874  Hesperocyparis macnabiana Carl B. Wolf 1930-10-19 Siskiyou Modoc Lava Beds, 1 mile east of Timbered Butte on old road from ? Hill Farm at Dana to Little Hot Spring Valley 1220 Comment
  CHSC65222  Heterocodon rariflorum Julie Kierstead; Barbara Ertter 1990-7-15 Siskiyou Mt. Shasta Ranger District. Morgan Meadows, 6 miles west of Mt. Shasta city. 1584 Comment
  JEPS94879  Heterocodon rariflorum Vernon H. Oswald and Lowell Ahart 1998-7-21 9357 Siskiyou ne of Weed (e of Grass Lake, and w of Bray on Old State Highway 0.8 mi e of Tennant road); Old State Highway 1417 Comment
  HSC30649  Heterocodon rariflorum Frederick W. Oettinger 1969-8-18 1427 Siskiyou Marble Mtn. Wilderness Area, due N of Horse Range Lake outlet 1860 Comment
  SEINET10460707  Heterocodon rariflorum Edwin B. Copel 1903-9-6 Copeland 3847 Siskiyou IGERNA, 3800 Comment
  SEINET10939147  Heterocodon rariflorum Cooke COOKE 49262 Siskiyou MT SHASTA 4000 Comment
  CAS-BOT-BC420700  Heuchera merriamii Doris K. Kildale 1928-7-2 5410 Siskiyou Salmon Summit via Horse Creek trail 1981 Comment
  JEPS105421  Heuchera merriamii Dean W. Taylor 1996-7-11 15778 Siskiyou Scott Mountains; West Park Lakes (about 15 air miles west of Weed); Shasta-Trinity National Forest 2194 Comment
  UCD13286  Heuchera merriamii K. F. Mawdsley 1996-7-10 17 c Siskiyou California, Siskiyou County. Little Castle Lake, T 39N R 4W, NW 1/4 of Section 19, Seven Lakes Basin 7.5 topo. Elevation 5572. Comment
  UC1409256  Heuchera merriamii Frederick W. Oettinger 1968-8-4 386 Siskiyou trail n of Crapo Peak Ridge; Salmon Mountains, Marble Mountain Wilderness Area 2194 Comment
  JEPS104860  Heuchera pringlei Dean W. Taylor 1996-7-12 15793 Siskiyou Salmon Mountains; Patterson Creek drainage (about 5 air miles west of Etna); Klamath National Forest 1371 Comment
  HSC73226  Hieracium albiflorum Gail Newton 1980-6-20 513 Siskiyou Near Bald Mtn. 1097 Comment
  UC637125  Hieracium albiflorum Edward Lee 1934-8-13 1088 Siskiyou watershed of West Branch of Indian Creek, Happy camp to Waldo (Oregon) road Klamath National Forest 1463 Comment
  HSC29089  Hieracium albiflorum Frederick W. Oettinger 1968-8-12 491 Siskiyou High Lake Basins near English Peak; Marble Mtn. Wilderness Area: S slope trail down to Tobacco Lake from Lily Pond 1921 Comment
  HSC67747  Hieracium albiflorum J. O. Sawyer, J. Cole 1980-7-21 3817 Siskiyou NW of Little Mt. Hoffman 1982 Comment
  RSA721137  Hieracium albiflorum Leo Miller 1938-07 s.n. Siskiyou Siskiyou Mountains. 915 Comment
  RSA233675  Hieracium gracile R. F. Thorne, Frederick W. Oettinger 1969-8-10 38975 Siskiyou S slope of Mt. Shasta, Panther Creek Meadows 2195 Comment
  RSA237532  Hieracium gracile Frederick W. Oettinger 1968-8-8 448 Siskiyou Ridge above Upper English Lake near trail to English Peak. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2165 Comment
  RSA237429  Hieracium greenei Frederick W. Oettinger 1969-8-12 1338 Siskiyou 1/4 mile below metal bridge below Etna Summit on road toward Etna. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. Comment
  UC1299259  Hieracium greenei Freed W. Hoffman 1948-7-12 2492 Siskiyou between Cinnabar Springs and Bear Creek; Beaver Creek 914 Comment
  UC1408935  Hieracium horridum Frederick W. Oettinger 1969-9-3 1610 Siskiyou below English Peak (w Siskiyou County); Salmon Mountains, Marble Mountain Wilderness Area, Shasta Ri 2072 Comment
  CAS-BOT-BC316008  Hieracium nudicaule Lewis S. Rose 1937-7-25 37590 Siskiyou S. slope of Mt. Shasta 1767 Comment
  CAS-BOT-BC316009  Hieracium nudicaule Lewis S. Rose 1937-7-26 37609 Siskiyou McCloud 1005 Comment
  CAS-BOT-BC316017  Hieracium nudicaule Alice Eastwood 1921-7-29 10976 Siskiyou Bear Spring on road to Medicine Lake Comment
  UC897886  Hieracium nudicaule Alice Eastwood 1912-7-15 1083 Siskiyou McCloud Comment
  CAS-BOT-BC320108  Hieracium triste Annie M. Alexander; Louise Kellogg 1949-7-29 5896 Siskiyou Near Hidden Lake, above Sky High Lake, Sky High Valley, Marble Mountains 1767 Comment
  CAS-BOT-BC320109  Hieracium triste R. H. Bohmannson 1926-7-16 s.n. Siskiyou Mt. Shasta Comment
  HSC31488  Holodiscus discolor Steve Selva, Roger Jensen 1974-8-23 42 Siskiyou 1 mi. W of Doe Flat campground Comment
  HSC31802  Holodiscus discolor Steve Selva, Roger Jensen 1974-8-16 2 Siskiyou N facing slopes above Sugar Lake Comment
  RSA237612  Holodiscus discolor Frederick W. Oettinger 1968-9-8 787 Siskiyou Cliffs south of English Lake. Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1784 Comment
  CAS-BOT-BC152367  Holodiscus discolor var. discolor Lillian Mott 1976-7-8 44 LM76 Siskiyou Salt Gulch, a tributary of Horse Creek ca. 7 miles north of the Klamath River 853 Comment
  CAS-BOT-BC152377  Holodiscus discolor var. discolor Doris K. Kildale 1928-8-19 6539 Siskiyou Summit of divide between Eighth Lake and Hancock Lake - trail to Marble Mt. 2194 Comment
  POM141569  Holodiscus microphyllus var. glabrescens E. B. Copeland 1903-10-11 6443 Siskiyou Mt. Eddy Comment
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Jan 23 2011
  CDA16144  Holosteum umbellatum G. F. Hrusa 1999-4-2 14934 Siskiyou Cascade Range; Louise Rd exit off I-5 on Louise Rd east turnout. 822 Comment
  UCD98181  Holosteum umbellatum subsp. umbellatum J. T. Howell; T. C. Fuller, G. D. Barbe 1980-4-28 2577 Siskiyou Grenada. 800 Comment
  CHSC69099  Hordeum brachyantherum subsp. brachyantherum Vernon Oswald; Lowell Ahart 1997-7-28 8787 Siskiyou Southeast of Medicine Lake on road 43N54 at a meadow 0.6 mi southeast of Paynes Springs. 1920 Comment
  UC535964  Hordeum brachyantherum subsp. brachyantherum Elmer I. Applegate 1923-8-17 3834 Siskiyou Medicine Lake Comment
  CDA6217  Hordeum marinum subsp. gussoneanum L. Ahart, J. Dittes 2005-6-9 12000 Siskiyou About 300 yards east of where cattle water in the Shasta River, about 3/5 mile (air) south of Highway 99/97 Cutoff, about 2 1/2 miles (air) east-southeast of Grenada. Comment
  HSC101712  Hordeum marinum subsp. gussoneanum J. P. Smith, J. O. Sawyer 2011-6-25 13261 Siskiyou At the junction of Hwy. 3 and Callahan - Gazelle Road. 834 Comment
  CAS-BOT-BC143953  Horkelia daucifolia Geo. D. Butler 1910-5-4 1272 Siskiyou Near Yreka Comment
  UC164307  Horkelia daucifolia Geo. 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
  POM266007  Horkelia daucifolia Lincoln Constance 1942-5-13 2913 Siskiyou Scott River 2 miles S of Scott Bar. 549 Comment
  UC329976  Horkelia daucifolia J. G. Lemmon 1889-6-26 Siskiyou Edgewood Comment
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Jun 26 2012
  HSC46217  Horkelia daucifolia var. daucifolia Jennifer Whipple 1978-6-5 2325 Siskiyou Weston Gulch in Scott Valley 854 Comment
  JEPS82346  Horkelia fusca subsp. parviflora L. R. Heckard with L. Constance and R. Ornduff 1969-6-24 2302 Siskiyou .8 mi s Bray (junction of U. S. 97); Murphy Wells 1493 Comment
  UC1505709  Horkelia fusca subsp. parviflora Robert T. Clausen and Harold Trapido 1940-7-27 4962 Siskiyou 6.25 mi nne summit of Mt. Shasta; Southern Cascade Mts., Sacramento River Basin 1828 Comment
  RSA12577  Horkelia fusca var. brownii Carl B. Wolf 1934-7-6 6009 Siskiyou 5.4 miles from Mt. Shasta City on Wagon Camp Rd, SW slope of Mt. Shasta 1220 Comment
  HSC86  Horkelia fusca var. parviflora William J. Ferlatte 1966-8-3 250 Siskiyou Big Flat, near public campground 1524 Comment
  CAS-BOT-BC144007  Horkelia hendersonii L. R. Heckard; J. Hickman; et al 1986-7-17 6501 Siskiyou Oak Knoll Ranger Station road to Condrey Mt., ca 15 mi from Hwy 96 (Walker) 2000 Comment
  RSA78811  Horkelia tridentata subsp. flavescens Philip A. Munz 1952-7-2 17885 Siskiyou Baldy Mt. Road, NW of Happy Camp, Siskiyou Mts. 1494 Comment
  UC705694  Hulsea nana Marion Ownbey and Fred G. Meyer 1940-7-4 2192 Siskiyou on ridge above the head of Brewer Creek; Mt. Shasta Comment
  RSA78829  Hydrophyllum occidentale P. A. Munz 1952-7-2 17907 Siskiyou Exposed stony ridge west of Baldy Mountain about 6 air-line miles west of Happy Camp, Siskiyou Mountains. 1784 Comment
  HSC2235  Hymenoxys lemmonii Geo. D. Butler 1910-7-4 1640 Siskiyou Shasta River Comment
  UC54079  Hymenoxys lemmonii H. M. Hall and E. B. Babcock 1903-6-1 4091 Siskiyou 3 mi ne Edgewood; Sierra Nevada Mountains, Mt. Shasta, Shata Valley 914 Comment
  UC718165  Hymenoxys lemmonii Carl B. Wolf 1934-7-5 5976 Siskiyou 4 6/10 mi n Gazelle; Shasta Valley 822 Comment
  SEINET6178738  Hypericum perforatum Alv Dan Youngberg 1964-6-15 20 Siskiyou Growing in a grass and brush cover. Humbolt Meridian.; 0 366 Comment
  UCD110385  Hypericum perforatum subsp. perforatum Daryl Koutnik; Martha Townsend 1979-9-10 s.n. Siskiyou Southwest of Etna, near Etna Bridge. 1066 Comment
  HSC67480  Hypochaeris radicata J. P. Smith, Steve Selva 1970-6-15 3902 Siskiyou 10 mi. NW of Forks of Salmon Comment
  JEPS20040  Idahoa scapigera George D. Butler 1909-2 571 Siskiyou Butler's Ranch near Yreka; Butler's Ranch Comment
  JEPS74449  Ipomopsis aggregata W. J. Ferlatte 1966-6-22 86 Siskiyou between the campground and Carter's Trinity Alps, South Fork of Salmon River 1524 Comment
  JEPS799  Ipomopsis aggregata subsp. bridgesii W. L. Jepson 1940-6-27 20050 Siskiyou e slope Mt. Shasta 1676 Comment
  HSC76768  Ipomopsis congesta K. T. Stillman 1976-8-7 377 Siskiyou Marble Mtn. Wilderness Area, Box Camp Mtn. 2195 Comment
  POM253588  Ipomopsis congesta C. L. Hitchcock, J. S. Martin 1939-7-9 5306 Siskiyou North side of Black Mt. near Marble Mt. (King's Castle) 2073 Comment
  SEINET3876298  Iris missouriensis George Neville Jones 1967-6-30 45138 Siskiyou Grass Lake northeast of Weed.; 0 1524 Comment
  HSC65870  Iris tenax subsp. klamathensis M. A. Baker 1980-6-20 2182 Siskiyou Near Bald Mtn. 275 Comment
  UC593520  Iris tenuissima E. B. Babcock, G. L. Stebbins Jr. 1936-6-13 2002 Siskiyou 1.5 mi w Mt. Shasta City (above Sulloway Creek, e and ne slope of spur of Rainbow Ridge); Rainbow Ridge 1188 Comment
  HSC36670  Iris tenuissima Brent Whiteley 1975-7-3 134 Siskiyou 1220 Comment
  CAS-BOT-BC88661  Isatis tinctoria D. E. Breedlove 1962-6-10 3311 Siskiyou Siskiyou Mountains. Along Indian Cree Road, 6.8 miles northwest of Happy Camp. 457 Comment
  UC375299  Isatis tinctoria Geo. D. Butler 1909-6-13 804 Siskiyou near Fort Jones Comment
  UCR47638  Isatis tinctoria Don Pendleton 1986-6-26 s.n. Siskiyou N of Yreka along Interstate 5 Comment
  CAS-BOT-BC88651  Isatis tinctoria Gilbert Muth 1960-7-5 349 Siskiyou Lover Camp. 1249 Comment
  CAS-BOT-BC88665  Isatis tinctoria George Dexter Butler 1909-6-13 804 Siskiyou Scott River near Fort Jones. Comment
  JEPS13904  Isatis tinctoria unknown 1912-1 Siskiyou Comment
  CAS-BOT-BC324836  Iva axillaris A. A. Heller 1918-7-25 s.n. Siskiyou Shasta Valley between Gazelle and Edgewood Comment
  JEPS91218  Ivesia gordonii Dean W. Taylor 1988-7-10 9963 Siskiyou summit ridge Mt. Eddy 2750 Comment
  HSC101876  Ivesia longibracteata R. D. Whittlesey 2013-9-16 19 Siskiyou Near Castella: 3.2 mi. west on Castle Creek Rd. from Castella, and 3.4 mi. up Sulfur Creek Climber's trail. 1707 Comment
  RSA298329  Juncus bolanderi J. P. Smith, Steve Selva 1970-6-15 3923 Siskiyou 10 miles northwest of Forks of Salmon. Comment
  RSA577437  Juncus bufonius var. bufonius L. C. Wheeler 1935-6-27 3616 Siskiyou Greenview, Scott Valley. 884 Comment
  UC842400  Juncus confusus John Thomas Howell 1939-8-3 15005 Siskiyou Spirit Lake Marble Mts. 1828 Comment
  HSC30719  Juncus confusus Frederick W. Oettinger 1968-9-10 812 Siskiyou Vicinity of English peak Marble Mtns., just SW above Horse Range Lake 1845 Comment
  UC1265336  Juncus covillei Frederick W. Oettinger 1969-8-18 1419 Siskiyou nw side Horse Range Lake (vicinity of English Peak, w Siskiyou County); Salmon Mountains, Marble Mountain Wilderness Area, English P 1821 Comment
  HSC30686  Juncus drummondii Frederick W. Oettinger 1968-9-8 781 Siskiyou Marble Mtn. Wilderness Area, near outlet of stream of English Lake 1753 Comment
  HSC76745  Juncus drummondii K. T. Stillman 1976-7-15 262 Siskiyou Marble Mtn. Wilderness Area 1951 Comment
  CAS-BOT-BC110122  Juncus dudleyi Melissa A. Berry 1957-7-8 s.n. Siskiyou North Fork of the Salmon River, Somes Bar-Etna Road. 609 Comment
  JEPS66981  Juncus ensifolius B. C. Goldsmith 1916-6-22 1 a Siskiyou McCloud Flat Mt. Shasta Comment
  UC1601866  Juncus ensifolius W. L. Jepson 1894-1 Siskiyou Mt. Shasta Comment
  UC1265376  Juncus ensifolius F. W. Oettinger 1969-8-12 1335 Siskiyou near The Cedars (w Siskiyou County); Salmon Mountains, North Fork of Salmon River 914 Comment
  HSC61161  Juncus mertensianus Al Hobart 1967-8-8 Siskiyou El Capitan Comment
  UCD21463  Juncus mertensianus Ellen Dean; with Gary Nakamura and K. Mawdsley 2002-7-28 1203 Siskiyou Shasta Trinity National Forest; NW of Castle Crags, in Castle Crags Wilderness. Found west of I-5, near headwaters of the south fork of the Sacramento River. Along shores of Gray Rock Lake. 1800 Comment
  CAS-BOT-BC127622  Juncus mertensianus Jennifer Whipple 1976-7-8 1335 Siskiyou North slopes of Mount Eddy. Klamath Mountains. 2438 Comment
  JEPS84034  Juncus mertensianus L. R. Heckard with J. Hickman et al. 1986-7-17 6458 Siskiyou ca 5 mi n Seiad Valley (ridge e of Kangaroo Peak, s of Lily Pad Lake) 1940 Comment
  UC1100994  Juncus nevadensis Herbert L. Mason 1948-7-18 13614 Siskiyou Grass Lake Comment
  UC1265303  Juncus occidentalis Frederick W. Oettinger 1969-8-24 1526 Siskiyou due w English Lake main camp (midway between English Lake main camp and Sundew Bog, vicinity of English Peak, w Siskiyou County); Salmon Mountains, Marble Mountain Wilderness Area, English P 1798 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
  UC535935  Juncus orthophyllus Elmer I. Applegate 1923-8-17 3837 Siskiyou Medicine Lake Comment
  HSC92704  Juncus parryi Jennifer Whipple 1977-7-20 1988 Siskiyou N slopes of Mount Eddy 2500 Comment
  POM110775  Juncus trilocularis Geo D. Butler 1910-5-28 1422 Siskiyou Shasta Valley. 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
  SDSU1858  Juniperus communis var. saxatilis D. F. Howe 1962-8-6 3413 Siskiyou 2438 Comment
  CDA714  Juniperus occidentalis G. D. Barbe, J. T. Howell, T. C. Fuller 1980-4-29 2633 Siskiyou Roadside at edge of serpentine ridge 16 km south of Fort Jones on Scott Valley East Side Road. Comment
  CAS-BOT-BC81243  Juniperus occidentalis W. R. Dudley 1899-8-21 s.n. Siskiyou Along the stage road to Callahan's (Willow Creek) Comment
  RSA352529  Juniperus occidentalis var. occidentalis B. C. Templeton 1957-6-21 s.n. Siskiyou N of Callahan Comment
  JEPS25576  Kalmia polifolia subsp. microphylla Rimo Bacigalupi with George Bacigalupi Jr. 1959-7-1 7202 Siskiyou Mount Shasta, Panther Meadow Panther Meadow; Mount Shasta, Panther Meadow 2286 Comment
  HSC61499  Kelloggia galioides Ruby Van Deventer 1939-7-18 Siskiyou Kelley Lake and Kelley Lake Trail 1220 Comment
  POM59665  Kelloggia galioides E. B. Copeland 1903-7-17 3516 Siskiyou Mt. Shasta. Comment
  UCD121986  Kelloggia galioides R. Tofsrud; J. M. Tucker 1948-8-4 1785 Siskiyou ca. 1 1/2 miles northwest of McCloud. Comment
  HSC77093  Kelloggia galioides K. T. Stillman 1976-8-7 363 Siskiyou Marble Mtn. Wilderness Area, trail to Marble Valley Guard Station Comment
  UC133347  Kyhosia bolanderi E. B. Copeland 3882 Siskiyou Sisson 1066 Comment
  UC91991  Lactuca canadensis Brandegee Jul 1889 Siskiyou Sissons Comment
  JEPS82115  Lactuca canadensis Rimo Bacigalupi with L. Constance and L. Heckard 1960-7-19 7444 Siskiyou about 8 mi e Happy Camp; Canyon of the Klamath River Comment
  CAS-BOT-BC341699  Lagophylla ramosissima Geo. D. Butler 1910-6-2 1448 Siskiyou Yreka Comment
  HSC36777  Lagophylla ramosissima J. P. Smith 1974-5-25 7419 Siskiyou Along Rd. 8, 0.9 mi. from its junction with Hwy. 3 976 Comment
  UCD77792  Lapsana communis Robert E. Preston 2000-8-17 1435 Siskiyou McCloud River, along Pine Tree Hollow, ca. 0.5 mi s of Lower Falls, T39N R2W se 1/4 Section 12 975 Comment
  UC585091  Lathyrus brownii E. B. Babcock, G. L. Stebbins Jr. 1936-6-13 1983 Siskiyou about 1.5 mi w Mt. Shasta City (above Sulloway Creek, spur of Rainbow Ridge); Rainbow Ridge 1188 Comment
  HSC62307  Lathyrus delnorticus Ruby Van Deventer Aug 1957 Siskiyou Youngs Valley. Comment
  UCD106389  Lathyrus nevadensis Alfred H. Murphy 1961-7-19 61 F Siskiyou Marble Mtns. Klamath National Forest, Sky High Valley, north end. 1584 Comment
  JEPS55346  Lathyrus nevadensis var. nevadensis W. L. Jepson 1907-7-6 2853 Siskiyou near Marble Mt.; Cudahy Valley Comment
  UC1409225  Lathyrus nevadensis var. nevadensis Frederick W. Oettinger 1969-8-1 1136 b Siskiyou between English Lake and Wire Grass Meadow (vicinity of English Peak, w Siskiyou County); Salmon Mountains, Marble Mountains Wilderness Area 1676 Comment
  CAS-BOT-BC205047  Lathyrus palustris Gilbert Muth 1966-7-14 384 Siskiyou Marble Valley, Marble Mts. 1798 Comment
  HSC71351  Lathyrus sulphureus J. P. Smith 1976-5-5 8694 Siskiyou Road from Forks of Salmon to Somes Bar 366 Comment
  HSC42979  Lathyrus tracyi J. O. Sawyer, Ken Stillman 1976-5-29 2737 Siskiyou Along Specimen Creek 915 Comment
  HSC42920  Leersia oryzoides Ken Stillman 1976-8-31 461 Siskiyou Along the Klamath River at Williams Point. 366 Comment
  CAS-BOT-BC534903  Lemna turionifera Alice Eastwood 1912-7-17 1146 Siskiyou Sisson Comment
  UC1023839  Lemna turionifera Douglas Barbe 1955-6-29 50 Siskiyou 4.1 mi se of Etna (on the Eastside Road, Klamath Mountains); Klamath Mountains 914 Comment
  JEPS19768  Lepidium campestre Rimo Bacigalupi with S. Galen Smith 1957-6-27 5968 Siskiyou about 1.5 mi w Weed (along U.S. Hwy 99) 992 Comment
  UC1034611  Lepidium campestre Douglas Barbe 1955-6-29 31 Siskiyou 1 mi e Callahan; Klamath Mountains 975 Comment
  UCD115479  Lepidium densiflorum R. Tofsrud Date unknown s.n. Siskiyou location unknown. Comment
  RSA238011  Leptosiphon ciliatus Frederick W. Oettinger 1969-8-1 1129 Siskiyou near English Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. Comment
  RSA42333  Lesquerella kingii subsp. diversifolia Lincoln Constance, H. L. Mason 1947-5-17 3199 Siskiyou Summit of NW spur of Scott Mountain. 183 Comment
  CAS-BOT-BC58262  Leucothoe davisiae Ira L. Wiggins 1955-7-27 13563 Siskiyou Caribou Lake, Salmon-Trinity Alps Primitive Area. 2042 Comment
  SBBG124420  Lewisia cotyledon C. B. Hardham 1961-7-1 8025 Siskiyou near Mud Springs, Siskiyou Mtns 1981 Comment
  CAS-BOT-BC444053  Lewisia cotyledon var. cotyledon John Thomas Howell 1939-8-3 14954 Siskiyou Spirit Lake, Marble Mts. 1828 Comment
  CAS-BOT-BC444423  Lewisia rediviva Elmer I. Applegate 1937-5-13 11092 Siskiyou South of the Flenner Ranch, Lava Beds National Monument Comment
  UCD65583  Leymus triticoides August L. Hormay 1932-7-15 s.n. Siskiyou Weed Valley. Comment
  HSC34295  Ligusticum californicum J. P. Smith, J. O. Sawyer 1973-8-14 7289 Siskiyou Along trail from Log Lake to Campbell Lake 1677 Comment
  HSC68471  Ligusticum californicum Maralyn A. Renner 1980-6-26 1139 Siskiyou Flint Valley. 1390 Comment
  HSC76682  Ligusticum californicum K. T. Stillman 1976-7-30 325 Siskiyou Marble Mountain Wilderness Area, Elk Valley Comment
  HSC29139  Ligusticum californicum Frederick W. Oettinger 1968-8-3 381 Siskiyou Marble Mountains Wilderness Area, High Lake Basins, at 'Base Camp Meadow,' midway down Diamond Lake- Hancock Lake Trail 2012 Comment
  CAS-BOT-BC436054  Ligusticum grayi Annetta Carter 1939-8-21 1472 Siskiyou Above SE end of Taylor Lake, 12 miles SW of Etna, Salmon Mountains 2194 Comment
  HSC96299  Ligusticum grayi Gordon Leppig 1998-8-13 1003 Siskiyou Klamath National Forest, Russian Wilderness, Little Duck Lake Fen 2200 Comment
  JEPS25815  Ligusticum grayi Geo. D. Butler 1908-8-7 461 Siskiyou trail above Whiskey Camp (Independence Creek); Independence Creek 1767 Comment
  RSA105417  Lilium kelleyanum G. D. Barbe 1955-6-29 47 Siskiyou 1.8 miles E of Callahan, S bank of Scott River 976 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
  CAS-BOT-BC509376  Lilium kelleyanum Marion Ownbey; Fred G. Meyer 1940-7-6 2200 Siskiyou In spring, Cayenne Ridge, Marble Mountain. Comment
  CAS-BOT-BC509387  Lilium kelleyanum Elizabeth McClintock; Wayne Roderick; Martha Roderick 1967-7-28 s.n. Siskiyou Gumboot Lake, Trinity Mts. 1828 Comment
  SJSU6073  Lilium kelleyanum R. W. Trivelpiece 1971-7-15 55 Siskiyou by Bear Creek c. 2 mi S of Sawyers Bar on N Fork Salmon River, Salmon River Mts 1524 Comment
  RSA120208  Lilium pardalinum S. S. Tillett 1956-7-11 689 Siskiyou North side Scott Mountain divide near campground; Siskiyou-Trinity county line 1616 Comment
  UC54711  Lilium pardalinum Harley P. Chandler Jun 1901 1717 Siskiyou Shackleford Canyon; North Coast Ranges 1828 Comment
  JEPS80522  Lilium pardalinum subsp. vollmeri Gilbert Muth 1966-7-19 422 Siskiyou along first bluff Marble Gap Trail; Marble Mt. Wilderness Area 1828 Comment
  RSA184814  Lilium washingtonianum subsp. purpurascens Gilbert Muth 1966-7-29 133 Siskiyou Marble Valley, near marble, Marble Mountain 1793 Comment
  CAS-BOT-BC123093  Lilium wigginsii Lawrence Beane; Albert Michael Vollmer 1954-7-16 1266 Siskiyou Siskiyou Mountains near Oregon border west of Hwy 99 Comment
  CAS-BOT-BC26045  Lilium wigginsii L. Beane; Albert M. Vollmer 1954-7-16 1266 Siskiyou Siskiyou Mountains near Oregon border west of Highway 99 Comment
  CHSC109945  Limnanthes alba Peter F. Zika 2012-5-14 25854 Siskiyou Klamath Range. I-5 southbound, near exit 730 for Dunsmuir. 750 Comment
  SEINET3163745  Linanthus bicolor G. D. Butler 1910-4-25 1243 Siskiyou Oro Fino Comment
  JEPS58267  Linanthus bolanderi Geo. D. Butler 1909-4-26 621 Siskiyou Oro Fino Comment
  UC609327  Linanthus nuttallii subsp. nuttallii Eleanor Burks Hart 1938-8-20 943 Siskiyou below Red Cap 2316 Comment
  CDA6302  Linaria genistifolia subsp. dalmatica T. C. Fuller 1958-6-19 1798 Siskiyou South of road to Montague, 1.5 miles east of Yreka. 0 Comment
  CAS-BOT-BC240386  Linnaea borealis subsp. longiflora A. A. Heller 1905-6-17 8056 Siskiyou Near the Sacramento River west of and near Sisson Comment
  HSC28213  Linnaea borealis subsp. longiflora Carl W. Mize 1972-6-23 94 Siskiyou Along trail by Camp Three. 976 Comment
  HSC30489  Linnaea borealis subsp. longiflora Frederick W. Oettinger 1969-8-9 1319 Siskiyou Stream crossing of N Fork River enroute to Abbott's Upper Cabin, Salmon Mtns. 1357 Comment
  UC336458  Linnaea borealis var. longiflora unknown Siskiyou near Mt. Shasta (Sisson's Woods); near Mt. Shasta, Sisson's Woods Comment
  UC169897  Linum lewisii Harley P. Chandler June, 1901 1652 Siskiyou North Coast Ranges, Marble Mountain Marble Mountain; North Coast Ranges, Marble Mountain 2438 Comment
  UC922413  Linum lewisii Annie M. Alexander and Louise Kellogg 1949-7-29 5889 Siskiyou above Sky High Lake (Marble Mountains, Sky High Valley); Marble Mountains, Sky High Valley 1767 Comment
  HSC29310  Linum lewisii Frederick W. Oettinger 1968-8-18 569 Siskiyou Marble Mtn. Wilderness Area, W side of Hancock Lake just N of the campsite area 1936 Comment
  CHSC96621  Listera banksiana L. P. Janeway 2006-7-1 8724 Siskiyou Klamath Ranges. Salmon Mountains; just west of Carter Meadow, north side of South Fork Salmon River. 1579 Comment
  UC705916  Lithocarpus densiflorus Marion Ownbey, Fred G. Meyer 1940-7-8 2231 Siskiyou 17 mi n Happy Camp; Siskiyou Mountains Comment
  POM267244  Lithocarpus densiflorus var. densiflorus Marion Ownbey, Fred G. Meyer 1940-7-8 2231 Siskiyou Siskiyou Mountains, 17 miles north of Happy Camp. Comment
  UC1586901  Lithophragma Juha Pykala and D. H. Norris 1987-6-26 2061 Siskiyou 0-3 km below Bear Lake (above Bear Creek, sw slopes); Marble Mountain Wilderness, below Bear Lake, abv Bear Creek Comment
  HSC64823  Lithophragma campanulatum J. P. Smith 1976-5-21 8770 Siskiyou Klamath National Forest, FS Rd. 40N08, 6.9 mi. from its junction with Hwy. 3 1524 Comment
  JEPS47678  Lithophragma campanulatum W. L. Jepson 1907-7-5 2825 Siskiyou Marble Mt. 2133 Comment
  HSC45038  Lithophragma campanulatum J. O. Sawyer 1978-6-19 3258 Siskiyou Marble Mountain Wilderness Area; along trail in Bug Gulch 1524 Comment
  JEPS47644  Lithophragma glabrum Geo. D. Butler 1909-4-13 652 Siskiyou near Yreka; near Yreka Comment
  RSA30609  Lithospermum californicum Lincoln Constance, R. Rollins 1942-5-12 2899 Siskiyou Klamath River 12 miles S of Happy Camp. 305 Comment
  SEINET10661434  Lolium perenne Lowell Ahart, John Dittes 2005-6-10 Ahart 12064 Siskiyou T43N, R5W, northwest 1/4 Section 5. East of a poor dirt roaod, about 80 yards northeast of the pump house along the Shasta River, about 1.9 miles (air) south of Highway 99/97 Cutoff, about 6 miles (air) east-southeast of Grenada. 777 Comment
  JEPS16108  Lomatium californicum Geo. D. Butler 1909-6-6 799 Siskiyou near Yreka Comment
  HSC43035  Lomatium dasycarpum subsp. dasycarpum J. O. Sawyer, Ken Stillman 1976-7-2 2808 Siskiyou Ridges E of the Little N Fork Trail 732 Comment
  UC643379  Lomatium engelmannii W. Bridge Cooke 1940-6-6 15053 Siskiyou along the Castle Lake road; along the Castle Lake road Comment
  UC726881  Lomatium macrocarpum A. A. Heller 1925-6-25 13894 Siskiyou State Hwy. 3 mi. n. Mt. Shasta Comment
  UCR51779  Lomatium macrocarpum M. O'Mera 1974-5-27 484 Siskiyou Along road 47N03. 1284 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
  UC1211914  Lomatium nudicaule Roy L. Taylor 1960-6-12 4439 Siskiyou N of Yreka (above Klamath River; 1 mi W of junction of Klamath River Rd (Hwy 96) and Hwy 99) Comment
  UC337583 Image available Lomatium plummerae unknown 1889-6-28 40 Siskiyou near Shasta Comment
  CHSC79486  Lonicera ciliosa G. F. Hrusa 1998-7-5 14682 Siskiyou Northwest California. Siskiyou Mountains. S side of Little Grayback pass on Happy Camp-O'Brien Rd. Ca. side of State Boundary, nr. Indian Ck. Camp. 750 Comment
  RSA47618  Lonicera ciliosa Roxana S. Ferris, Laura Lorraine 1948-6-12 11731 Siskiyou French Creek Logging Road W of Callahan. 1067 Comment
  HSC4903  Lonicera conjugialis J. O. Sawyer 1968-6-18 217 Siskiyou Headwaters of Blake's Fork of S Russian Creek. 1738 Comment
  UC1190106  Lonicera conjugialis Ira L. Wiggins 1955-7-27 13568 Siskiyou Caribou Lake Salmon-Trinity Alps Primitive Area 2042 Comment
  UC169069  Lonicera conjugialis Harley P. Chandler 1901-6-21 1605 Siskiyou near Marble Mountain (Haypress meadows); North Coast Ranges 1981 Comment
  CAS-BOT-BC240851  Lonicera interrupta L. E. Smith 1913-11-12 570 Siskiyou Yreka Comment
  UC139361  Lonicera interrupta Dr. E. B. Copeland 1903-7-5 3492 Siskiyou Klamathon Comment
  CAS-BOT-BC243924  Lonicera involucrata var. involucrata Dorothy Parker 1950-6-7 456 Siskiyou Along Scott River 853 Comment
  JEPS25560  Lonicera tatarica Rimo Bacigalupi with George Bacigalupi Jr. 1959-6-30 7183 Siskiyou Mt. Shasta town (formerly Sisson) Comment
  SEINET3523666 Image available Lotus A. A. Heller 1927-8-2 14439 Siskiyou Shasta Valley Comment
  SEINET957271  Lotus corniculatus Ynez Whilton Winblad 1941-1 Siskiyou Between Oregon Line and Yreka. Comment
  JEPS95831  Lotus crassifolius var. crassifolius Vernon H. Oswald and L. Ahart 1999-7-5 9809 Siskiyou Gazelle Mtn. on road 41N03 0.5 mi southeast of Gazelle-Callahan Hwy.: T41N R7W Sect. 3, 4950 ft, yellow pine forest, serpentine substrate. Plant to ca. 8 dm tall at roadside. 1508 Comment
  UC1045247  Lotus crassifolius var. crassifolius unknown 1940-7-26 15360 Siskiyou Black Butte Spring Mount Shasta 1219 Comment
  UC375401  Lotus crassifolius var. crassifolius Geo. D. Butler 1908-8-3 396 Siskiyou Log Lake Shackleford Creek Comment
  UC637052  Lotus crassifolius var. crassifolius Edward Lee 1934-8-13 1059 Siskiyou Happy Camp-Waldo (Oregon) Road, watershed of West Branch of Indian Creek Klamath National Forest 1219 Comment
  RSA105331  Lotus nevadensis G. D. Barbe 1955-6-28 011 Siskiyou 0.2 mile north of Callanhan. 976 Comment
  CDA27289  Lotus oblongifolius var. oblongifolius T. C. Fuller 1960-7-25 4867 Siskiyou North limits Mt. Shasta City. 0 Comment
  CAS-BOT-BC94432  Lotus oblongifolius var. oblongifolius R. C. Wenk 2005-7-18 268 Siskiyou Scott Mountains, border between Trinity and Siskiyou Counties. Growing along Pacific Crest Trail, 1/2 mile E of Hwy 3 1900 Comment
  UC163678  Lotus purshianus var. purshianus Geo. D. Butler 1908-8-4 391 Siskiyou Head of Shackleford Creek Comment
  UC862214  Lotus purshianus var. purshianus A. A. Heller 1915-7-18 12110 Siskiyou ne base Mt. Eddy (Metcalf's Ranch) 1188 Comment
  UC160445  Lotus stipularis var. ottleyi I. J. Condit 1911-7-8 Siskiyou Shasta Retreat 762 Comment
  HSC77415  Lotus unifoliolatus var. unifoliolatus L. P. Janeway 1983-9-11 665 Siskiyou Poker Flat 1524 Comment
  CAS-BOT-BC140207  Luetkea pectinata Louis C. Wheeler 1934-8-14 3121 Siskiyou 1 mile west White Mt., Siskiyou Mts. 1920 Comment
  HSC26912  Luetkea pectinata J. P. Smith 1971-9-16 4764 Siskiyou Ridge S of Bingham Lake. 2134 Comment
  HSC60910  Luetkea pectinata Al Hobart Siskiyou Black Butte Comment
  RSA211187  Luetkea pectinata William J. Ferlatte 1966-8-17 389 Siskiyou Caribou Basin; Trinity Alps. 1982 Comment
  RSA0084100  Luina hypoleuca R. W. Spjut, Paul Burchstead 2008-6-12 16345 Siskiyou Klamath Region. Klamath National Forest: along North Fork of the Salmon River, between Somes Bar and Forks of the Salmon 491 Comment
  RSA604463  Luina hypoleuca L. C. Wheeler 1959-7-25 7590 Siskiyou Salmon & Marble Mountains Region: Facing the Salmon River, a few miles downstream from Forks of the Salmon. Comment
  RSA119494  Lupinus C. P. Smith 1947-5-13 47274 A Siskiyou 7.4 miles east of Weed. Highway 97. Comment
  CDA27353  Lupinus albicaulis var. shastensis C. S. Giebner 1963-7-31 Siskiyou Kerr property, Flying K Ranch, Quartz Valley, ca. 2 miles south of Mugginsville. 0 Comment
  CDA27357  Lupinus albicaulis var. shastensis T. C. Fuller 1964-6-24 12245 Siskiyou Flying K Ranch, ca. 2 miles south of Mugginsville, Quartz Valley. 0 Comment
  UC338162  Lupinus albifrons unknown 1889-6-27 Siskiyou Edgwood Edgwood (Edgewood?) Comment
  CAS-BOT-BC195961  Lupinus albifrons var. albifrons Mrs. H. C. Cantelow 1936-5-20 s.n. Siskiyou Fort Jones Comment
  CAS-BOT-BC195971  Lupinus albifrons var. albifrons Charles Piper Smith 1949-4-22 49130 Siskiyou Highway 99 - Hornbrook - West Cottonwood Creek Bridge Comment
  RSA582455  Lupinus albifrons var. flumineus Louis C. Wheeler 1935-6-13 3581 Siskiyou N side Scot River, Scott Bar Mts. 823 Comment
  UC1408828  Lupinus andersonii Frederick W. Oettinger 1968-8-19 587 Siskiyou English Peak Salmon Mountains, Marble Mountain Wilderness Area (Crapo View Gap) 2133 Comment
  JEPS95135  Lupinus angustiflorus Vernon Oswald and Lowell Ahart 1997-7-28 8796 Siskiyou Bullseye Lake se of Medicine Lake; Bullseye Lake 2057 Comment
  RSA11947  Lupinus angustiflorus Elmer I. Applegate 1923-8-20 3907 Siskiyou South side of medicine Lake. 2134 Comment
  OBI59148  Lupinus arbustus Rhonda Riggins 1993-6-17 1688 Siskiyou Along CA 263, ca 1 mi N jct CA 96, 0,5mi S jct 15 Comment
  UC84436  Lupinus argenteus Katharine Brandegee July 1887 Siskiyou Edgewood Comment
  CAS-BOT-BC196353  Lupinus argenteus var. argenteus L. E. Smith 1914-5-14 695 Siskiyou Montague Comment
  RSA60651  Lupinus aridus Dorothy Parker 1948-7-14 s.n. Siskiyou Scott Valley, 2 mi. from Etna. 671 Comment
  CAS-BOT-BC215101  Lupinus croceus John Thomas Howell 1937-7-1 13314 Siskiyou S Fork of Salmon River near Big Flat 1524 Comment
  HSC42168  Lupinus croceus J. Mastrogiuseppe 1974-9-2 168 Siskiyou W slope of ridge of Red Rock Mtn. 2195 Comment
  RSA68872  Lupinus croceus A. E. Culbertson 1943-6-24 84 Siskiyou Castle Lake, 5434, in a north facing cirque with an abrupt 1000 backwall, 14 miles SW of Mt Shasta on N side of a 6600 eastern spur of Trinity Mts. 2000 above Sacramento R within 10 air miles of its headwaters to the west. Comment
  SEINET10490744  Lupinus croceus var. croceus H. Dearing, M. Dearing 1939-6-30 Dearing 3763 Siskiyou Perennial with yellow flower. Callahan, trinity alps rd. Comment
  SEINET10937102  Lupinus klamathensis Melvin L. Conrad, David B. Dunn; Douglas G. LeDoux 1973-6-1 Conrad 6968 Siskiyou E facing slope of road cut at the n edge of hornbrook. 732 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
  RSA603998  Lupinus latifolius var. viridifolius L. C. Wheeler 1935-7-27 3723 Siskiyou Siskiyou Mountains: Doggett Creek. 1615 Comment
  JEPS57167  Lupinus lepidus var. sellulus L. R. Heckard 1967-8-13 1706 Siskiyou Mt. Eddy 2743 Comment
  JEPS83226  Lupinus lepidus var. sellulus Geo. D. Butler 1908-6-28 367 Siskiyou Butler's Ranch Quartz Valley; , Butler's Ranch Comment
  POM25660  Lupinus luteolus Geo. D. Butler 1908-6-23 375 Siskiyou Dry land near Yreka. Comment
  RSA60652  Lupinus luteolus Dorothy Parker 1948-6-11 104 Siskiyou Near Bogus 1067 Comment
  UCSB17478  Lupinus onustus Breedlove, Dennis 1962-6-10 Siskiyou Along Indian Creek Road, 16.7 miles northwest of Happy Camp; Siskiyou Mountains 1127 Comment
  RSA104335  Lupinus onustus A. A. Heller 1905-6-15 s.n. Siskiyou Near Sisson Comment
  CDA27572  Lupinus polyphyllus var. burkei T. C. Fuller 1964-6-24 12246 Siskiyou 0.2 mile south of Mugginsville, Quartz Valley. 0 Comment
  UC157014  Lupinus polyphyllus var. polyphyllus Geo. D. Butler 1910-7-6 1642 Siskiyou Quartz Valley 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
  RSA119373  Lupinus sellulus subsp. sellulus S. S. Tillett 1956-7-9 669 Siskiyou Along ridge running n. from nw. side of Scott Mtn., between Big Carmen Creek and Mule Creek. 1951 Comment
  RSA11943  Lupinus sellulus subsp. sellulus Elmer I. Applegate 1929-6-18 5739 Siskiyou [Unspecified] Comment
  UC1475699  Lupinus tracyi Clifton & Ground 1978-7-13 2116 Siskiyou close to Orleans (near Flint Valley) 1418 Comment
  NY16054  Lupinus viridifolius A. A. Heller 1905-6-1 7928 Siskiyou Between Dunsmuir and Upper Soda Spring Comment
  HSC44888  Luzula comosa Maralyn O'Meara 1974-5-25 404 Siskiyou Along road to Duck Lakes trail 1402 Comment
  HSC30721  Luzula comosa Frederick W. Oettinger 1969-8-16 1398 Siskiyou Wiregrass Meadow below English Lake 1677 Comment
  RSA238893  Luzula comosa Frederick W. Oettinger 1968-8-11 486 Siskiyou On W side of the alder thicket just below Tom Taylor Cabin Spring. Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2043 Comment
  CAS-BOT-BC436706  Luzula comosa var. laxa Roxana S. Ferris; Laura Lorraine 1948-6-12 11743 Siskiyou French Creek Logging Road west of Callahan 1219 Comment
  CHSC111640  Luzula comosa var. laxa Peter F. Zika 2009-8-16 24597 Siskiyou Damp meadows near north end of Juanita Lake, over basalt, partial shade, Forest Sevrice Road 46N04. 1550 Comment
  CHSC38983  Luzula comosa var. laxa J. D. Jokerst 1983-7-5 1824 Siskiyou Atkin's Meadow, 15 air miles E of McCloud. Comment
  UC594415  Luzula comosa var. laxa L. C. Wheeler 1934-6-12 2691 Siskiyou Hungry Creek Lookout, Siskiyou Mts. 1463 Comment
  UC843071  Luzula comosa var. laxa Louis C. Wheeler 1934-6-12 2691 Siskiyou Hungry Creek Lookout, Siskiyou Mts. 1463 Comment
  HSC30722  Luzula divaricata Frederick W. Oettinger 1968-8-8 447 Siskiyou Marble Mtn Wilderness Area, where old Tanner's Peak Trail meets English Peak Trail along ridge heading to the peak 2165 Comment
  RSA105371  Luzula divaricata G. D. Barbe 1955-8-5 361 Siskiyou Growing along the trail from Big Flat to Caribou Lake at a point northwest of the summit of Caribou Mtn. Salmon Mountains. 2409 Comment
  RSA215595  Luzula divaricata Gilbert Muth 1969-8-10 1329 Siskiyou Ridge west of Boulder Peak. 2348 Comment
  CHSC115766  Luzula macrantha P. F. Zika 2012-5-18 25887 Siskiyou Near Dunsmuir Avenue, south end of town of Dunsmuir, 3.6 air km SE of Mount Bradley, Klamath Range. 730 Comment
  CHSC4312  Luzula parviflora D. Parker 1965-7-24 898 Siskiyou Near Horse Range Creek, Salmon Mt. 1828 Comment
  UC1538956  Luzula parviflora W. J. Ferlatte 1987-7-7 2108 Siskiyou ca 1.6 mi e McCloud River R.R. (Bear Springs area, U.S.F.S. Rd. 31); Shasta Quad., Bear Springs Area, e of McCloud River R.R. 1508 Comment
  HSC2378  Luzula piperi William J. Ferlatte 1966-8-5 349 Siskiyou Caribou Mtn. 2470 Comment
  HSC67150  Luzula subsessilis J. P. Smith 1973-5-5 6391 Siskiyou In and around the O'Neill Campground near Seiad Valley. 488 Comment
  POM362228  Madia citriodora M. B. Dunkle 1944-6-25 9022 Siskiyou Siskiyou National Forest. 1677 Comment
  RSA94363  Madia citriodora J. T. Howell 1934-7-4 12410 Siskiyou Between Timbered Crater and Little Hot Springs Valley Comment
  POM31387  Madia elegans subsp. elegans Geo D. Butler 1910-5-23 1400 Siskiyou Humbug Mountain 1067 Comment
  JEPS24814  Madia gracilis Rimo Bacigalupi with Drs. Reino and Aloha Alava 1958-9-2 6825 Siskiyou U. S. Forest Service camp ground at Scott road summit, boundary of Siskiyou and Trinity counties Scott Mtn. 1646 Comment
  CAS-BOT-BC343434  Madia gracilis Louis C. Wheeler 1934-6-4 2646 Siskiyou Horse Creek, Siskiyou Mts. 1066 Comment
  HSC77238  Madia gracilis L. P. Janeway 1983-7-12 412 Siskiyou Along dirt roadside: Rd. 19N07 ca. 4 mi. N of Indian Cr. Rd. 1006 Comment
  JEPS40207  Madia gracilis Willis L. Jepson Jul 24 1894-Aug 10 1894 Siskiyou Sims to Sissons; Region of the Upper Sacramento Comment
  RSA237498  Madia gracilis subsp. gracilis Frederick W. Oettinger 1968-9-9 805 Siskiyou Salmon Mountains; the high lake basins in the vicinity of English Peak, Marble Mountains Wilderness Area: between Lower Pond and Tobacco Lake, over a ridge 1921 Comment
  UC61685  Madia sativa Geo. B. Grant September, 1902 5055 Siskiyou Mount Shasta Comment
  RSA78948  Mahonia aquifolium E. K. Balls, P. C. Everett 1952-10-12 4500 Siskiyou 1.7 mi. w. of boundary of Lava Beds Nat l Monument on road from Indian Well Ranger Station to Tennant. 1372 Comment
  RSA12612  Mahonia aquifolium C. B. Wolf 1934-7-5 5973 Siskiyou 7 mi. from Oak Knoll R. S. on Klamath River, on rd. to Dry Lake Lookout, Siskiyou Mts. 1372 Comment
  CAS-BOT-BC514182  Maianthemum stellatum H. E. Brown 1897-6-1 340 Siskiyou Near Mount Shasta 2133 Comment
  RSA298144  Malacothrix floccifera J. P. Smith, Steve Selva 1970-6-15 3974 Siskiyou 1 mile W of junction Calif. 3 and road 8 leading to Sugar Creek. 1159 Comment
  HSC46144  Malva neglecta J. P. Smith, Steve Selva 1970-8-9 4580 Siskiyou In potato fields W of Macdoel. Comment
  UC618881  Marrubium vulgare W. Bridge Cooke 1938-8-19 11513 Siskiyou near Howard (Mount Shasta); , near Howard Comment
  UC725671  Matricaria discoidea A. A. Heller 1916-7-20 12461 Siskiyou ne base Mt. Eddy (Metcalf's ranch) 1188 Comment
  RSA239019  Melica aristata Frederick W. Oettinger 1969-8-4 1159 Siskiyou Above Half-way Spring between English Lake and Diamond Lake. Salmon Mountains: The high lake basins in the vicinity of English Peak, Marble Mountain Wilderness Area. 1829 Comment
  CAS-BOT-BC271212  Melica bulbosa R. E. Frenkel 1963-7-15 244 Siskiyou West of Everitt Memorial Highway, 1.7 miles north of McCloud River RR crossing, near Mount Shasta 1290 Comment
  CAS-BOT-BC269363  Melica californica Lincoln Constance; Reed C. Rollins 1942-5-14 2934 Siskiyou Klamath--Siskiyou Region. Shasta River 6 miles north of Yreka 762 Comment
  HSC21981  Melica fugax J. O. Sawyer 1969-7-9 1271 Siskiyou S facing upper slope above S Sugar Lake. 2378 Comment
  CHSC4362  Melica geyeri J. Potter 1966-5-14 Siskiyou 3 mi se of Callahan Old Oregon Stage Rd. Comment
  UC796619  Melica geyeri Roxana S. Ferris and Laura Lorraine Jun 12 1948-Jun 16 1948 11796 Siskiyou s of Callahan (Scott Mountain Road) Comment
  UC144807  Melica harfordii A. A. Heller 1905-6-1 7935 Siskiyou between Upper Soda Spring and Shasta Retreat Comment
  RSA602387  Melica spectabilis L. C. Wheeler 1935-7-26 3701 Siskiyou Siskiyou Mountains: Jaynes Canyon. 1951 Comment
  UCD77855  Melica stricta Robert E. Preston 2001-6-30 1649 a Siskiyou Klamath National Forest, north slope of Rainbow Mountain, 1889 Comment
  POM211182  Mentha aquatica Louis C. Wheeler 1934-9-22 3299 Siskiyou Walker, Klamath River, Siskiyou Mountains. (Mt Diablo Mer) 518 Comment
  SEINET8712600  Mentzelia laevicaulis G. D. Butler 1910-7-17 1789 Siskiyou Near Yreka. Comment
  UC1190173  Mentzelia laevicaulis var. laevicaulis Ira L. Wiggins 1955-7-22 13454 Siskiyou 9.5 mi above Cecilville (Gravel bar in S Fork of Salmon River.); Salmon River Comment
  RSA59505  Mentzelia veatchiana E. K. Balls 1950-5-16 14709 Siskiyou Caldwell Butte, east slope, near base. Lava Beds National Moneument Comment
  CAS-BOT-BC428977  Micranthes ferruginea K. T. Stillman 1976-7-31 351 Siskiyou Marble Mountain Wilderness Area. East-facing ridge north from Black Mt. towards Jump off point. 2103 Comment
  CAS-BOT-BC349366  Microseris nutans J. H. Thomas 1954-5-13 4149 Siskiyou Southwestern Siskiyou County. Salmon Mountains, Klamath National Forest. Near South Fork of Salmon River, 5 to 9 miles southeast of Cecilville, between Lat. 41 deg. 03' and 41 deg. 06' N., and Long. 122 deg. 58' and 123 deg. 03' W. Along Rush Creek 1127 Comment
  CAS-BOT-BC349376  Microseris nutans Elmer I. Applegate 1935-6-8 9417 Siskiyou Bear Paw Cave, Lava Beds National Monument Comment
  HSC61900  Microsteris gracilis Ruby Van Deventer 1959-7-7 Siskiyou Poker Flat 1585 Comment
  UC922555  Mimulus cardinalis Annie M. Alexander and Louise Kellogg 1948-9-5 5583 Siskiyou near mouth Matthews Creek; Siskiyou Mountains, South Fork of Salmon River Comment
  SEINET11262493  Mimulus cardinalis Alv Dan Youngberg 1964-6-21 57 Siskiyou Humbolt Meridian.; 0 427 Comment
  RSA237547  Mimulus guttatus Frederick W. Oettinger 1969-9-4 1671 Siskiyou At spring at Tom Taylor Cabin. The Salmon Mountains. The High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2049 Comment
  SEINET12270024  Mimulus guttatus H. P. Chandler 1901-1 1694 Siskiyou near Marble Mountain, North Coast Ranges 1524 Comment
  JEPS19674  Mimulus layneae Rimo Bacigalupi with S. Galen Smith and Geo. Bacigalupi Jr. 1957-6-25 5929 Siskiyou a few mi se Weed (just w of Black Butte railway junction (S. P. Shasta Route)) 1188 Comment
  JEPS86983  Mimulus layneae David M. Thompson 1989-6-29 1023 Siskiyou near Black Butte (hill overlooking railway junction, mid-way between Mt. Shasta city and Weed, 1.2 mi n of I-5 interchage along n part of Truck Village Drive, e side of I-5) 1200 Comment
  POM213853  Mimulus layneae G. C. Kimber 1934-6-9 33 Siskiyou Ney Creek 1/8 mi from junction with Sacramento River. 732 Comment
  UCR137198  Mimulus lewisii M. B. Dunkle 1945-7-12 9204 Siskiyou Marble Mtns., Klamath National Forest, Marble Valley Summit Trail 2134 Comment
  HSC428  Mimulus moschatus William J. Ferlatte 1967-7-8 673 Siskiyou Along the Yellow Rose Mine Trail 1829 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
  JEPS86998  Mimulus nanus var. jepsonii David M. Thompson 1988-6-4 932 Siskiyou 8.0 mi e McCloud (along Hwy 89, sw corner of jct of Bigelow Meadows Road and hwy, opposite hwy from USFS Road 40N16, 2.4 mi w of turnoff for Cattle Camp) 1300 Comment
  HSC74928  Mimulus nanus var. nanus J. P. Smith, Jennifer Whipple 1978-7-2 9977 Siskiyou Trail from Cook and Green Pass to Copper Butte. 1768 Comment
  JEPS60238  Mimulus nanus var. nanus L. R. Heckard with L. Constance and R. Ornduff 1969-6-24 2292 Siskiyou n Mt. Shasta (along U.S. Highway 97, 0.2 mi n of Yreka road junction) Comment
  JEPS86951  Mimulus nanus var. nanus David M. Thompson 1988-6-5 933 Siskiyou 10.0 mi ne Weed (along Hwy 97, nw side of road) 1150 Comment
  UC164053  Mimulus nanus var. nanus Geo. D. Butler 1909-7-15 928 Siskiyou Highland Mine Comment
  JEPS93897  Mimulus pilosus Vernon H. Oswald and Lowell Ahart 1998-7-21 9360 Siskiyou ne of Weed, e of Grass Lake, and w of Bray on Old State Highway 0.8 mi e of Tennant Road; Old State Highway 1417 Comment
  RSA233712  Mimulus primuloides Frederick W. Oettinger 1969-7-25 s.n. Siskiyou Scott Mts., Shasta-Trinity National Forest: ca. 15 air mi. SW of Weed near Kangaroo Lake Campground. Comment
  JEPS3166  Mimulus primuloides subsp. linearifolius George D. Butler 1908-8-4 452 Siskiyou head Shackleford Creek 1676 Comment
  RSA666377  Mimulus primuloides var. linearifolius Barbara J. Ertter, Julie Kierstead, James Nelson 1990-7-15 9354 Siskiyou Morgan Meadows on east side of Mount Eddy about 5 air miles due west of Mount Shasta City. 1677 Comment
  HSC96402  Mimulus primuloides var. primuloides Gordon Leppig, J. Kalt 1996-7-9 365 Siskiyou Klamath National Forest, Russian Wilderness, cirque W of Little Duck Lake 2200 Comment
  HSC77097  Mimulus tilingii K. T. Stillman 1976-8-7 366 Siskiyou Marble Mtn. Wilderness Area, trail to Marble Valley Guard Station Comment
  UC166123  Minuartia douglasii Geo. D. Butler 1909-5-2 660 Siskiyou near Yreka Comment
  POM101318  Minuartia douglasii Geo. D. Butler 1910-5-16 1351 Siskiyou Yreka. Comment
  RSA792294  Minuartia nuttallii subsp. gregaria Rebecca Wenk 2008-7-25 948 Siskiyou Road to Kangaroo Lake, 4.3 miles south of turnoff from Gazelle-Callahan Rd. 1616 Comment
  CAS-BOT-BC181109  Minuartia nuttallii var. gregaria L. B. Kildale 1930-6-1 9845 Siskiyou Mill Creek near Etna Mills Comment
  UC564212  Minuartia pusilla E. L. Greene 1876-4-26 727 Siskiyou plains about Yreka Comment
  NY342563  Minuartia stolonifera T. W. Nelson 1985-6-19 7839 Siskiyou Along south side of State Route 3; 3.1 miles north of Scott Mountain Pass 1219.2 Comment
  RSA47645  Mirabilis greenei Roxana S. Ferris, L. Lorraine 1948-6-12 s.n. Siskiyou Willow Creek, foot of Gazelle Mountain Grade Comment
  CAS-BOT-BC229605  Mirabilis greenei Elmer I. Applegate 1898-5-15 5142 Siskiyou Along Klamath River between Shovel Creek and Fall Creek 853 Comment
  POM92177  Mitella breweri Geo. D. Butler 1908-8-8 219 Siskiyou Marble Valley. Comment
  HSC450  Mitella trifida William J. Ferlatte 1967-6-29 570 Siskiyou Along Yellow Rose Mine Trail 1829 Comment
  HSC68447  Moehringia macrophylla Maralyn A. Renner 1980-6-26 1215 Siskiyou SE edge of Flint Valley. 1390 Comment
  UC166127  Moehringia macrophylla Geo. D. Butler 1910-4-22 1217 Siskiyou Shackleford Creek Comment
  SJSU2558  Moehringia macrophylla H. L. Buckalew 1962-7-12 Siskiyou near Poker Flat c. 4 mi W of junction of Indian Cr & its W branch, Siskiyou Mts 1143 Comment
  HSC22249  Monardella glauca J. O. Sawyer 1969-8-2 1713 Siskiyou Summit W of Little Duck Lake 2409 Comment
  HSC76709  Monardella odoratissima K. T. Stillman 1976-7-14 228 Siskiyou Marble Mtn. Wilderness Area 1951 Comment
  LA86491  Monardella odoratissima J. M. Tucker; 1963-8-19 3785 Siskiyou Marble Mountain Wilderness Area, headwater of Canyon Creek 1920 Comment
  CAS-BOT-BC222165  Monardella odoratissima subsp. pallida R. J. Mastrogiuseppe; J. D. Mastrogiuseppe 1974-9-2 162 Siskiyou Above Kidd Creek 1950 Comment
  CAS-BOT-BC222175  Monardella odoratissima subsp. pallida Doris K. Kildale 1928-8-19 6529 Siskiyou On trail from English Lake to Hancock Lake 2133 Comment
  CAS-BOT-BC26176  Monardella ovata H. E. Brown 1897-6-1 381 Siskiyou near Sisson 1082 Comment
  CAS-BOT-BC220225  Monardella sheltonii Louis C. Wheeler 1934-6-9 2664 Siskiyou Klamath National Forest. Klamath R. near Dutch Cr. 670 Comment
  CHSC71316  Montia dichotoma Vernon H. Oswald; Lowell Ahart 1998-6-11 9220 Siskiyou Butte Valley National Grassland near the junction of Meiss Lake-Sam Neck Rd. and Hwy.97 ca. 5 mi north of Macdoel. Growing along the brushy edge of a drying vernal pool. 1295 Comment
  UC375331  Montia linearis Geo. D. Butler 1909-3-14 680 Siskiyou near Yreka Comment
  HSC73386  Montia linearis Robert Kirkpatrick, Doug Renwick 1981-5-30 159 Siskiyou 3 mi. from Hwy. 3 off FS Rd. 40N22 1220 Comment
  CAS-BOT-BC445215  Montia parvifolia Alice Eastwood 1923-5-20 11858 Siskiyou Shasta Springs Comment
  JEPS43286  Montia parvifolia W. L. Jepson 1907-7-11 2880 Siskiyou Klamath Range near Putnam Peak (between Cedar Camp and divide); Klamath Range 1981 Comment
  UC1408939  Montia parvifolia Frederick W. Oettinger 1968-8-5 399 Siskiyou between English Peak and Diamond Lake (High Lake Basins in vicinity of English Peak, Marble Mountain Wilderness Area); Salmon Mountains, Marble Mountain Wilderness Area 2072 Comment
  UCD86503  Muhlenbergia andina R. Tofsrud 1950-7-24 s.n. Siskiyou E. side of Mt. Shasta. Cold Creek. Comment
  CAS-BOT-BC262672  Muhlenbergia asperifolia Geo. D. Butler 1910-8-21 1848 Siskiyou Shasta Valley Comment
  CAS-BOT-BC267047  Muhlenbergia filiformis A. A. Heller 1914-8-25 11704 Siskiyou Near Deetz station, near Black Butte 6 miles N of Sisson 1158 Comment
  RSA268995  Muhlenbergia jonesii J. R. Reeder, C. G. Reeder 1972-7-24 5808 Siskiyou 7 miles E of McCloud to jct. and 2 miles N of Pilgrim Creek Nursery Road 1128 Comment
  SEINET10599967  Muhlenbergia jonesii A. Arthur Heller 1922-7-16 Heller 13719 Siskiyou Sandy soil near Pilgrim Creek forest nursery back of Mt. Shasta in the yellow pine belt. Comment
  CAS-BOT-BC275182  Muhlenbergia montana John Thomas Howell 1937-7-25 13442 Siskiyou Caribou Basin, Salmon-Trinity Alps 2286 Comment
  HSC22181  Muhlenbergia montana J. O. Sawyer 1969-7-25 1532 Siskiyou SE facing slope W of Sugar Lake 1845 Comment
  HSC461  Muhlenbergia montana William J. Ferlatte 1966-8-3 276 Siskiyou Josephine Lake basin 1677 Comment
  UC57351 Image available Nama densa J. G. Lemmon and Mrs. Lemmon 1889-7-28 Siskiyou near Edgewood; ; near Edgewood, Siskiyou Co. Comment
  CHSC66541  Nama lobbii Vernon H. Oswald 1996-7-12 8001 Siskiyou Everitt Memorial Hwy.(A10) E of Mt. Shasta city between mileposts 6 and 7. 1798 Comment
  HSC91988  Narthecium californicum Jennifer Whipple 1976-7-24 1564 Siskiyou SW of Dobkins Lake along the drainage into the lake 2226 Comment
  CAS-BOT-BC516026  Narthecium californicum W. R. Dudley 1905-8-4 s.n. Siskiyou Meadow foot of Mount Eddy Comment
  CAS-BOT-BC230313  Navarretia heterandra H. D. Ripley; R. C. Barneby 1948-1-1 9630 Siskiyou 1 mile W of Montague Comment
  UC52434  Navarretia intertexta W. A. Setchell, C. C. Dobie 1902-7-13 Siskiyou Sisson Mt. Shasta Comment
  UC201125  Navarretia sinistra Dr. E. B. Copeland 1903-7-8 3560 Siskiyou Klamathon Comment
  JEPS70476  Navarretia tagetina W. L. Jepson 1940-6-22 19966 Siskiyou Hutton Creek near Hornbrook; Hutton Creek 792 Comment
  CAS-BOT-BC219535  Nemophila parviflora Clarence R. Quick 1958-6-17 58 -23 Siskiyou Near Black Bear Summit south of Sawyer's [Sawyers] Bar on ridge road to Cecilville 1356 Comment
  UCSC000576  Nemophila parviflora I. J. Condit 2011-7-3 s.n. Siskiyou Shasta Retreat, Bank of Sacramento River Comment
  CAS-BOT-BC230561  Nemophila parviflora var. austiniae Geo. D. Butler 1910-4-24 1231 Siskiyou Quartz Valley Comment
  UCD102186  Noccaea fendleri subsp. californica Daniel Sanchez-Mata; Tomas Santamaria 2006-7-26 s.n. Siskiyou Mountain House. Klamatah National Forest. Scott Mountains. Rail Creek Road. Kangaroo Lake. Kangaroo Lake Botanical Area. 1850 Comment
  CAS-BOT-BC60592  Noccaea fendleri subsp. glauca Harley P. Chandler 1901-6-1 1689 Siskiyou North Coast Ranges. Marble Mountain. 2438 Comment
  HSC81568  Noccaea fendleri subsp. glauca Thomas W. Nelson, Jane P. Nelson 1980-7-17 6075 Siskiyou Along FS Rd. 17, 1 mi. N of summit at county line 2073 Comment
  CHSC402  Nothocalais alpestris V. Holt 1943-8-9 Siskiyou Marble mountains. 1828 Comment
  NY790536  Nothochelone nemorosa A. M. Carter 1939-8-21 1468 Siskiyou Steep slope above southeast end of Taylor Lake, 12 miles southwest of Etna, Salmon Mountains 2164.1 Comment
  UCR37823  Nothochelone nemorosa K. T. Stillman 1976-8-8 396 Siskiyou Marble Mountain Wilderness Area Comment
  RSA420390  Nothochelone nemorosa M. B. Dunkle 1944-8-25 9165 Siskiyou Sikiyou Nat'l Forest. Coastal northern California. 1768 Comment
  UCR9593  Onopordum acanthium D. O. Clark 1970-6-23 s.n. Siskiyou 6 mi SW of Dorris, along roadside on W side of Butte Valley 1293 Comment
  RSA790724  Onopordum acanthium T. C. Fuller 1963-8-26 11154 Siskiyou Bottomland of Greenhorn Valley, ca. 2 miles west of Yreka Comment
  RSA530118  Orcuttia tenuis D. W. Taylor 1988-6-23 9861 Siskiyou 5 miles north of Timbered Crater, 1 mile SE of Adobe Flat. 1098 Comment
  CAS-BOT-BC355593  Oreostemma alpigenum var. andersonii Doris K. Kildale 1929-8-24 9108 Siskiyou Rattlesnake Meadow, Preston Peak 1676 Comment
  UC1608317  Oreostemma alpigenum var. andersonii J. Kierstead 1990-7-18 90 -103 Siskiyou Gumboot Creek 100 yd s Forest Service Rd 40N26 (s side of mt.); Shasta-Trinity National Forests, Mt. Shasta Ranger Dist., Mt 1676 Comment
  UC1409492  Orobanche fasciculata Frederick W. Oettinger 1968-8-17 552 Siskiyou Salmon Mountains. The High Lake Basins in the Vicinity of English Peak, Marble Mountain Wilderness Area. From Taylor Cabin to Pine Lake. Comment
  HSC19215  Orthilia secunda J. O. Sawyer 1968-9-10 683 Siskiyou Below Young's Meadow on Clear Creek. 1372 Comment
  JEPS83863  Orthilia secunda Wayne Roderick Jul 1976 Siskiyou Siskiyou Mts. Vicinity of Cook and Green Pass 1463 Comment
  CAS-BOT-BC458097  Orthilia secunda Edward Lee 1934-8-13 1087 Siskiyou Watershed of West Branch of Indian Creek, Happy Camp to Waldo (Oregon) road, Klamath National Forest 1463 Comment
  RSA0083190  Orthilia secunda Frederick W. Oettinger 1967-8-3 233 Siskiyou Slope leading down from Little Hancock Lake to Hancock Lake. The Salmon Mtns. High lake basins in the vicinity of English Peak. Marble Mtn Wilderness Area. 1982 Comment
  HSC27331  Orthocarpus cuspidatus subsp. copelandii J. P. Smith, J. O. Sawyer, Maralyn O'Meara 1972-7-3 5713 Siskiyou E slope of Kangaroo Mtn., above Toehead Lake. 1890 Comment
  RSA237572  Orthocarpus cuspidatus subsp. copelandii Frederick W. Oettinger 1967-8-10 245 -a Siskiyou 1/8 mile southeast of Tom Taylor Cabin. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2027 Comment
  RSA238817  Orthocarpus cuspidatus subsp. copelandii Frederick W. Oettinger, Robert F. Thorne 1969-8-8 1295 Siskiyou Sundew Bog, English Lake region. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1829 Comment
  RSA407987  Orthocarpus cuspidatus subsp. copelandii Louis C. Wheeler 1934-7-3 2851 Siskiyou Head of Soda Crk, Sterling Mt, Siskiyou Mtns. 1768 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
  HSC89868  Orthocarpus cuspidatus subsp. cryptanthus George W. Gillett 1952-8-17 193 Siskiyou Lassen Volcanic National Park, near Hwy. 89, 2 mi. below sign marking trail to Bumpas Hell Comment
  JEPS4515  Orthocarpus imbricatus Alice Eastwood 1912-7-15 1066 Siskiyou McCloud Comment
  UC1034070  Orthocarpus imbricatus unknown 1941-8-16 Siskiyou in areas below Wagon Camp Mount Shasta (Mount Shasta); , below Wagon Camp Comment
  HSC38448  Osmorhiza berteroi Maralyn A. Renner 1980-6-26 1214 Siskiyou SE edge of Flint Valley. 1390 Comment
  JEPS82453  Osmorhiza berteroi Gilbert Muth 1966-7-14 396 Siskiyou trail to Black Mountain; Marble Mt. Wilderness Area 1798 Comment
  UCR101291  Oxalis trilliifolia L. C. Wheeler 1959-7-25 7593 Siskiyou Marble Mountains, Camp Three, Rogers Creek 329 Comment
  CAS-BOT-BC413215  Oxyria digyna K. T. Stillman 1976-7-15 256 Siskiyou Marble Mountain Wilderness Area 1950 Comment
  HSC90557  Packera cana Jennifer Whipple 1976-7-7 1331 Siskiyou N slopes of Mt. Eddy. 2439 Comment
  CAS-BOT-BC28831  Paeonia brownii L. E. Smith 1913-5-23 270 Siskiyou Weed Comment
  POM149889  Paeonia brownii Geo. D. Butler 1910-4-23 1229 Siskiyou Quartz Valley. Comment
  UCD88591  Panicum acuminatum var. fasciculatum R. Tofsrud 1949-8-3 s.n. Siskiyou Klamath River, 10 miles east of Happy Camp. 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
  CAS-BOT-BC422853  Papaver rhoeas Lillian Mott 1976-6-6 21 LM76 Siskiyou Klamath River at Ash Creek, ca. 4 1/2 miles west of 5 x 96 548 Comment
  RSA211097  Parnassia californica William J. Ferlatte 1966-8-19 434 Siskiyou Kidd Creek Trail. 1829 Comment
  SBBG25904  Parnassia californica D. Myrick 1966-8-8 1492 Siskiyou rd to Carter Ranch, Mountain Meadow Ranch, Big Flat 1524 Comment
  RSA238305  Parnassia fimbriata Frederick W. Oettinger 1968-9-4 699 Siskiyou Shore line of Abbotts Lake. Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1723 Comment
  CAS-BOT-BC175616  Parnassia palustris W. R. Dudley 1899-8-26 s.n. Siskiyou Upper Sacramento Comment
  RSA237257  Paxistima myrsinites Frederick W. Oettinger 1969-8-7 1281 Siskiyou Margin of English Lake. Salmon Mtns. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1768 Comment
  RSA237261  Paxistima myrsinites Frederick W. Oettinger 1968-8-24 626 Siskiyou By New York Flumes about 10 min. down-stream from Tom's Lower Pond; Tom's Lake Basin. Salmon Mountains. High Lake Basin in the vicinity of English Peak. Marble Mountain Wilderness Area. 1829 Comment
  RSA237270  Paxistima myrsinites Frederick W. Oettinger 1969-8-1 1137 Siskiyou Between English Lake and Wire Grass Meadow. English Lake Basin. Salmon Mtns. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. Comment
  UC163687  Paxistima myrsinites Geo. D. Butler 1908-8-5 20 Siskiyou gulch below Cold Spring (Woolly Creek); Woolly Creek Comment
  POM43388  Pedicularis aurantiaca Geo. D. Butler 1324 Siskiyou Goosenest foothills. 1524 Comment
  CAS-BOT-BC266647  Pedicularis bracteosa var. flavida Edna Kelsey 1961-8-1 s.n. Siskiyou Sky High Lake, Marble Mountains Comment
  UC794376  Pedicularis densiflora Lincoln Constance, Lee Bonar, Richard W. Holm and Carroll E. Wood Jr. 1949-5-21 3288 Siskiyou 10 mi s of Callahan; Scott Mountain Campground 1630 Comment
  RSA238827  Pedicularis flavida Frederick W. Oettinger, Robert F. Thorne 1969-8-7 1269 Siskiyou Southeast of English Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2012 Comment
  UC164356  Pedicularis groenlandica Geo. D. Butler 1910-6-19 1583 Siskiyou Goosevest Foothills 1524 Comment
  UC595099  Pedicularis racemosa David D. Keck 1938-8-6 4822 Siskiyou Poker Flat, Siskiyou County at Del Norte County line Poker Flat; Siskiyou Mountains 1463 Comment
  CAS-BOT-BC69319  Pellaea brachyptera W. B. C. 1938-6-17 11036 Siskiyou Along the Sisson Southern Trail 1371 Comment
  HSC69024  Penstemon anguineus Maralyn A. Renner 1980-7-28 2193 Siskiyou E spur of Kangaroo Mtn., near ridge 1890 Comment
  UC1190133  Penstemon anguineus Ira L. Wiggins 1955-7-24 13490 Siskiyou ridge betw upper reaches of China and Blind Horse Creek; upper reaches of China and Blind Horse Creeks 1493 Comment
  UC1560411  Penstemon anguineus E. Joyal and D. Mehlman 1988-6-25 1276 Siskiyou Happy Camp-Takilma road at turn-off to Bolan Lake; Happy Camp-Takilma Road at turn-off to Bolan Lake 1524 Comment
  CAS-BOT-BC6574  Penstemon anguineus Volney Rattan 1879-6-1 s.n. Siskiyou Klamath River Comment
  HSC30870  Penstemon anguineus Melinda F. Denton 1973-6-27 2812 Siskiyou Klamath National Forest, 1.4 mi. SE of Siskiyou-Del Norte Co. lines on Rd. 1916, 3 mi. S of OR-CA border 1476 Comment
  RSA238744  Penstemon anguineus Frederick W. Oettinger 1967-8-20 288 Siskiyou Just below spring at Tom Taylor Cabin. The Salmon Mountains. The High Lake Basins in the vicinity of English Peak. Marble Mountains Wilderness Area. 2049 Comment
  JEPS84074  Penstemon azureus L. R. Heckard with S. D'Alcamo, J. Hickman, S. Winchester 1986-7-16 6320 a Siskiyou ca 1/2 air mi from Red Butte (ca 7 mi nne of Seiad Valley, w of Cook and Green Pass); w of Cook and Green Pass, 1/2 air mi fr Red Butte 1750 Comment
  RSA425613  Penstemon azureus Louis C. Wheeler 1934-7-3 2850 Siskiyou Head of Soda Crk, Sterling Mt, Siskiyou Mtns. 1768 Comment
  UC180115  Penstemon cinereus H. M. Hall and E. B. Babcock June, 1903 4118 Siskiyou near Sheep Rock (n side of mt.); Sierra Nevada Mountains, Mount Shasta 1371 Comment
  CHSC66546  Penstemon cinicola Vernon H. Oswald 1996-7-12 8008 Siskiyou Large meadow at the junction of the roads to Schonchin Spring and Little Mt. Hoffman at the W end of Medicine Lake. On the n side of the road to Little Mt. Hoffman. 2048 Comment
  POM234400  Penstemon davidsonii subsp. davidsonii Alice Eastwood 1912-9-1 2057 Siskiyou Mount Shasta. Comment
  SBBG26862  Penstemon deustus M. Ownbey, R. Ownbey 1938-7-19 1750 Siskiyou 2.5 mi NW of Dry Lake Lookout, summit of the Siskiyou Mtns Comment
  UC1063376  Penstemon deustus H. S. Yates 1936-6-21 5830 Siskiyou n base of Wintoon Butte Dunsmuir Quadrangle Comment
  POM208357  Penstemon deustus subsp. deustus Louis C. Wheeler 1934-6-9 2668 Siskiyou Dutch Creek off Klamath River. Siskiyou Mtns. 610 Comment
  UC454780  Penstemon deustus var. suffrutescens I. J. Condit 1911-7-22 Siskiyou trail to Horse Camp Mt. Shasta, trail to Horse Camp (also near Sisson) 1524 Comment
  CHSC4543  Penstemon gracilentus J. E. Bowlin 1967-7-18 49 Siskiyou On a bank ca. 20 ft. high, above the road, and 2.8 mi w of Mount Shasta Ski Bowl. 2133 Comment
  JEPS11461  Penstemon heterodoxus var. shastensis Geo. D. Butler 1909-6-22 934 Siskiyou Goosenest Mountain Comment
  NY603845  Penstemon humilis var. humilis N. H. Holmgren 1966-6-9 2680 Siskiyou U.S. 97, Shasta Valley, 4 miles north of Weed. 1158.2 Comment
  JEPS11375  Penstemon laetus var. sagittatus W. L. Jepson 1937-7-30 18559 Siskiyou Poker Flat, headwaters of Indian Creek Siskiyou Mts., Indian Creek 1584 Comment
  JEPS11379  Penstemon laetus var. sagittatus W. L. Jepson 1940-6-23 20000 Siskiyou e Mayten (e side of Little Shasta Valley); , e of Mayten 883 Comment
  SEINET11053338  Penstemon laetus var. sagittatus Karl A. Vincent 1987-6-28 4440 Siskiyou Cascade Range Mt. Shasta; along E side of US 97 ca 5.1 mi NE of jct. I-5 bus. loop in Weed 1158 Comment
  UC1520677  Penstemon laetus var. sagittatus Noel H. Holmgren, James L. Reveal 1980-7-1 9448 Siskiyou U.S. Highway 97, 8.7 km (5.4 mi) ne Weed; ne of Weed 1097 Comment
  HSC2407  Penstemon newberryi subsp. berryi William J. Ferlatte 1966-8-5 333 Siskiyou Caribou Mtn. 2470 Comment
  HSC605  Penstemon newberryi subsp. berryi William J. Ferlatte 1967-7-26 752 Siskiyou Caribou Basin, Sawtooth Ridge 2287 Comment
  RSA790237  Penstemon newberryi subsp. berryi Rebecca Wenk 2005-7-19 321 Siskiyou Along Pacific Crest Trail, 2 miles south of parking lot at top of pass on National Forest Road 17, going towards Mt. Eddy. 2165 Comment
  CAS-BOT-BC94412  Penstemon newberryi var. berryi R. C. Wenk 2005-7-15 223 Siskiyou Trinity Alps, above South Fork of the Salmon River, along the Yellow Rose Mine trail. Top of pass, going N along ridge 2133 Comment
  UC174047  Penstemon newberryi var. berryi Geo. D. Butler 1910-7-7 1654 Siskiyou Shackleford Creek 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
  UC61195  Penstemon newberryi var. newberryi W. A. Setchell, C. C. Dobie 1902-7-16 Siskiyou Sisson , Sisson (Mount Shasta) Comment
  UCSB24889  Penstemon newberryi var. newberryi Keefe, Joseph 1967-7-11 Siskiyou Near summit of hill by Little Castle Lake, south of Castle Lake, 10 miles southwest of town of Mt. Shasta 2011 Comment
  CHSC1879  Penstemon parvulus M. Yoder 1941-7-6 Siskiyou Castle Lake. 1981 Comment
  UC1483407  Penstemon parvulus Maralyn A. Renner 1980-8-7 2425 Siskiyou ridge s Preston Peak; Klamath National Forest, Preston Peak Quad. 1950 Comment
  UC886815  Penstemon parvulus John Thomas Howell 1939-8-2 14899 Siskiyou Spirit Lake , Spirit Lake (Marble Mts.) 1828 Comment
  POM299519  Penstemon parvulus Marion Ownbey, Fred G. Meyer 1940-7-7 2215 Siskiyou Near summit of Cayenne Ridge, Marble Mountain. Comment
  HSC19234  Penstemon procerus var. brachyanthus J. O. Sawyer 1969-8-2 1701 Siskiyou E facing slope W of Little Duck Lake 2317 Comment
  JEPS101474  Penstemon procerus var. brachyanthus Dean W. Taylor 1972-7-3 1608 Siskiyou Salmon Mountains, near Little Duck Lake 1981 Comment
  NY638942  Penstemon procerus var. brachyanthus J. T. Howell 1937-7-24 13390 Siskiyou Caribou Basin, Salmon-Trinity Alps 1981.2 Comment
  UC1090389  Penstemon roezlii Milo S. Baker 1957-6-16 13169 Siskiyou Trip to Scott Mt. after turnoff near Callahan; North Coast Ranges, trip to Scott Mt. Comment
  UC722467  Penstemon rupicola C. L. Hitchcock and J. S. Martin 1939-7-6 5231 Siskiyou on Takilma - Happy Camp road (peak above and n of Divide of Siskiyou Mts.); peak above and n of Divide of Siskiyou Mts. 1828 Comment
  SBBG82056  Penstemon speciosus M. Roantree, B. Bonning 1983-5-28 Siskiyou NW of Callahan on St Hwy 3, near mile marker 10.00 Comment
  UC54622  Penstemon speciosus H. M. Hall and E. B. Babcock June, 1903 4071 Siskiyou near Sisson (Mount Shasta); Sierra Nevada Mountains, Mt. Shasta 1066 Comment
  RSA105469  Penstemon speciosus G. D. Barbe, Milo S. Baker 1955-7-1 78 Siskiyou 7 miles S of Etna on the Westside Rd. to Callahan. 869 Comment
  UC165309  Perideridia gairdneri subsp. borealis Geo. D. Butler 1910-8-28 1856 Siskiyou Quartz Valley Comment
  POM133152  Perideridia parishii subsp. latifolia E. B. Copeland 1903-8-19 3826 Siskiyou Foot of Mt. Eddy 1250 Comment
  UC1400335  Perideridia parishii subsp. latifolia Frederick W. Oettinger 1969-8-19 1459 Siskiyou slope of se aspect due s area bet. David Mountain and Abbots Lake Basin (and on old Tanners Peak Trail, w Siskiyou Co.); Salmon Mountains, Marble Mountain Wilderness Area 1905 Comment
  CAS-BOT-BC423354  Peritoma platycarpa A. A. Heller 1905-6-9 8010 Siskiyou Montague Comment
  CAS-BOT-BC330262  Petasites frigidus var. palmatus Alice Eastwood 1912-8-30 1953 Siskiyou Mount Eddy Comment
  HSC13708  Phacelia greenei J. T. Howell 1952-6-14 28340 Siskiyou East side of Scott Valley, 9.5 miles from Fort Jones on road to Callahan 854 Comment
  HSC67820  Phacelia hastata J. O. Sawyer, J. Cole 1980-7-20 3773 Siskiyou S of Grouse Hill, at N base of Badger Peak 2146 Comment
  UC1602156  Phacelia hastata subsp. compacta John Thomas Howell 1939-7-26 13767 Siskiyou along Summit Trail below Lake Helen; Mount Shasta Comment
  SEINET5763832  Phacelia heterophylla G. D. Butler 1910-5-7 1300 Siskiyou Near Yreka Comment
  UC535111  Phacelia heterophylla subsp. virgata Mrs. H. P. Bracelin 1931-6-20 430 Siskiyou about 2 mi nw Mt. Shasta City 1051 Comment
  JEPS81015  Phacelia heterophylla subsp. virgata J. P. Smith and Steve Selva 1970-6-15 Siskiyou 1 mi w junction Calif. 3 and Road 8 leading to Sugar Creek (sw of Callahan) 1158 Comment
  JEPS1155  Phacelia mutabilis W. L. Jepson 1940-7-1 20083 Siskiyou 6 mi e McCloud; McCloud River, Fowlers Camp 975 Comment
  UC618690  Phacelia mutabilis W. Bridge Cooke 1938-7-15 11273 Siskiyou Wagon Camp-Horse Camp Trail Mt. Shasta Comment
  HSC78199  Phacelia mutabilis L. P. Janeway 1983-8-28 644 Siskiyou At Poker Flat, dry NE edge of lower portion of meadow. 1524 Comment
  UC1222906  Phacelia mutabilis Joseph P. Tracy 1951-6-16 19482 Siskiyou at crossing of the Tikilma-Happy Camp Rd summit of the Siskiyous (near OR-CA state line) Comment
  POM299318  Phacelia pringlei J. T. Howell 1937-7-29 13612 Siskiyou Scott Mountain between Trinity and Siskiyou counties. Comment
  SEINET12280311  Phacelia pringlei Unknown 1953-1 105 Siskiyou Cabin Meadow, 1 mi N of Cory Peak, Klamath National Forest 1844 Comment
  UC1426020  Phacelia procera Frederick W. Oettinger 1969-7-18 1056 Siskiyou base of cliffs sw Upper English Lake (w Siskiyou Co.); Salmon Mountains, Marble Mountain Wilderness Area 1828 Comment
  UCD120681  Phacelia ramosissima Robert E. Preston 1995-6-22 896 Siskiyou Irongate Reservoir, on open slopes W of Mirror Cove. 731 Comment
  RSA715804  Phacelia ramosissima var. ramosissima L. Ahart, John Dittes 2005-6-10 12084 Siskiyou About 50 yards southeast of the pump house along the Shasta River, about 1.9 air miles south of Highway 99/97 cutoff, about 6 air miles ESE of Grenada. 777 Comment
  UC666546  Phacelia ramosissima var. ramosissima G. L. Stebbins Jr. and A. A. Beetle 1942-5-31 3251 Siskiyou 5 mi w Gazelle Crest Comment
  SD72096  Phacelia virgata William B. Cooke 1938-8-5 11448 Siskiyou Mt. Shasta. 1524 Comment
  HSC36662  Philadelphus californicus Brent Whitely 1975-6-28 90 Siskiyou 915 Comment
  UC11453  Philadelphus lewisii M. A. Howe Jul 24 1894-Aug 10 1894 Siskiyou river bank near Sims; Region of the Upper Sacramento Comment
  UC1408863  Philadelphus lewisii Frederick W. Oettinger and R. F. Thorne 1969-8-5 1200 Siskiyou on English Lake trail above Willow Spring (high lake basins in vicinity of English Peak, w Siskiyou Co.); Salmon Mountains, Marble Mountain Wilderness Area 1676 Comment
  UC570849  Philadelphus lewisii Dorothy Tebbe 1929-7-9 28 Siskiyou White's Gulch Salmon Mountains, Salmon River Comment
  RSA0057592  Philadelphus lewisii G. D. Barbe 1955-6-27 s.n. Siskiyou 0.8 mi north of Callahan in the dredgings near Hjertagers Mill. 976 Comment
  RSA0058052  Philadelphus lewisii Frederick W. Oettinger 1967-6-23 145 Siskiyou Along road ca. 1/2 mi south of Kelly Gulch (Salmon River). The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 616 Comment
  UCD162379  Philadelphus lewisii Charlotte Glenn 1967-6-20 113 Siskiyou east of Seiad Valley, on the Klamath River, O'Neills Creek. 60 Comment
  UC642574  Phleum alpinum W. Bridge Cooke 1939-7-26 13750 Siskiyou above Panther Creek Meadows Mount Shasta; , above Panther Creek Meadows Comment
  UCD77913  Phleum alpinum Robert E. Preston 2001-6-23 1605 Siskiyou Klamath National Forest, n-facing slope of Rainbow Mtn, T42N R1W nw 1/4 of nw 1/4 Section 23 2011 Comment
  HSC30605  Phleum pratense Frederick W. Oettinger 1968-9-5 738 Siskiyou Bear Meadow., Tom's Lake region. 2188 Comment
  UCR90864  Phlox adsurgens Kathy Harper, Dane Karr 1994-6-10 s.n. Siskiyou North Coast Range, Indian Creek Camp, 14.5 mi NW of Happy Camp along Indian Creek Road, off Hwy 96. Near campsites 7 to 9 610 Comment
  CAS-BOT-BC294730  Phlox adsurgens James Vale 1980-7-24 s.n. Siskiyou Out of Happy Camp, road to Oregon Comment
  UC455646  Phlox austromontana I. J. Condit 1911-7-22 Siskiyou Horse Camp Mt. Shasta 2438 Comment
  UC30215  Phlox diffusa W. H. Brewer 1862-9-13 1377 Siskiyou Mount Shasta 2438 Comment
  HSC110  Phlox diffusa William J. Ferlatte 1967-6-27 536 Siskiyou Big Flat, near public campground 1524 Comment
  POM258057  Phlox diffusa subsp. diffusa C. L. Hitchcock, J. S. Martin 1939-7-7 5274 Siskiyou Whiskey Lake, 1/2 mile above Camp Chicago, on Sanger Peak Trail 1463 Comment
  UC880473  Phlox gracilis Frank W. Gould 1940-5-15 1249 Siskiyou on road from Mt. Hebron to Montague; Bald Mountain 1676 Comment
  SEINET10638272  Phlox hirsuta Edward L. Greene 1876-1 Siskiyou Comment
  HSC43832  Phlox speciosa subsp. occidentalis Maralyn O'Meara 1974-5-27 486 Siskiyou Along FS Rd. 47N03 1280 Comment
  CDA40277  Phlox speciosa subsp. occidentalis G. D. Barbe, J. T. Howell, T. C. Fuller 1980-4-29 2614 Siskiyou 3 km east of Forest Mountain summit, Highway 3, southwest of Yreka. Comment
  POM94716  Phoenicaulis cheiranthoides Geo. D. Butler 1296 Siskiyou Dry hills near Yreka. Comment
  POM165888  Phoradendron densum E. B. Copeland 1903-7-7 3542 Siskiyou Hornbrook. Comment
  UC141920  Phoradendron densum Copeland 1903-7-7 3542 Siskiyou Hornbrook Comment
  LA209831  Phoradendron juniperinum subsp. juniperinum Wm. Bridge Cooke; 1939-7-21 13699 Siskiyou Mount Shasta, on the SW side of the mountain. Howard 1219 Comment
  UC403987  Phoradendron libocedri Mrs. K. J. Stirring 1904-1 Siskiyou Etna Mills Comment
  CAS-BOT-BC171214  Phoradendron serotinum subsp. tomentosum Alice Eastwood 1922-10-18 11512 Siskiyou Shasta Springs Comment
  JEPS82486  Phyllodoce empetriformis Gilbert Muth 1965-8-8 194 Siskiyou Black Mountain, Marble Mountain Wilderness Area Black Mountain; , Marble Mountain Wilderness Area 2011 Comment
  CAS-BOT-BC60759  Physaria occidentalis Geo. D. Butler 1909-4-24 588 Siskiyou Cherry Creek. Comment
  UC555305  Physocarpus capitatus D. Tebbe 1929-7-15 117 Siskiyou Mt Eddy Comment
  JEPS83899  Picea breweriana Stephen K. Langer with Charles S. Rand 1988-6-23 Siskiyou slope e Elk Lake (n of Red Butte) Comment
  RSA6531  Picea breweriana Elmer I. Applegate 1930-8-9 6600 Siskiyou Fruit Mountain, Siskiyou Mountains, Headwaters of Applegate River. Comment
  CDA494  Picea breweriana Don Shaw, T. C. Fuller 1974-9-24 20035 Siskiyou Siskiyou Mountains, E of White Mt.; by Pacific Crest Trail. Comment
  NY30092  Picea breweriana P. Bennett 1928-7-11 s.n. Siskiyou This specimen represents an endangered or threatened species. The specific locality has been removed from this record to protect this species from over-collection. These data may be supplied to researchers on request. Comment
  UC336772  Picea breweriana unknown 1889-10-18 Siskiyou near Waldo, Oregon; Siskiyou Mts. Comment
  JEPS47880  Pinus albicaulis W. L. Jepson 1940-6-27 20047 Siskiyou e slope Mt. Shasta (timberline); Mt. Shasta timberline 2133 Comment
  NY34554  Pinus albicaulis H. E. Brown 1897-6-11 499 - Siskiyou North side Mt. Shasta 1524.0 Comment
  NY579173  Pinus attenuata T. charlet 1996-12-15 2350 Siskiyou This specimen represents an endangered or threatened species. The specific locality has been removed from this record to protect this species from over-collection. These data may be supplied to researchers on request. Comment
  CAS-BOT-BC78402  Pinus balfouriana Gilbert J. Muth 1969-8-10 1355 Siskiyou Ridge west of Boulder Peak 2225 Comment
  UC688867  Pinus balfouriana William E. Ferguson 1942-8-28 Siskiyou sw quarter Etna Quadrangle; Lyon Lake, Etna Quad. 2133 Comment
  JEPS47959  Pinus contorta subsp. murrayana Geo. D. Butler 1908-8-3 519 Siskiyou Log Lake Comment
  UC618593  Pinus contorta subsp. murrayana W. B. Cooke 1938-8-24 11585 Siskiyou along Round-the Mountain Road; Mount Shasta Comment
  UC333601  Pinus jeffreyi unknown 1889-6-29 Siskiyou 8 mi w Sisson; N. Calif. Comment
  CAS-BOT-BC73092  Pinus lambertiana A. A. Heller 1915-8-26 12253 Siskiyou Metcalf's ranch at the foot of Mt. Eddy. 1188 Comment
  SEINET11738789  Pinus lambertiana C. G. Pringle 1882-1 s.n. Siskiyou near Mt. Shasta Comment
  CAS-BOT-BC78960  Pinus monticola G. A. Coleman 1901-7-31 s.n. Siskiyou Near summit of range, west of forks of Salmon River Comment
  HSC68460  Pinus monticola Maralyn A. Renner 1980-7-4 1454 Siskiyou Clear Creek Trail, N of Trout Camp. 1037 Comment
  RSA184683  Pinus monticola Gilbert Muth 1966-8-6 193 Siskiyou Upper meadows and marble outcrops of Marble Valley, Marble Mountains. 1768 Comment
  CAS-BOT-BC72869  Pinus ponderosa Doris K. Kildale 1929-5-26 9188 Siskiyou Hawkins Bar on Salmon River 609 Comment
  HSC31509  Pinus ponderosa Steve Selva, Roger Jensen 1974-8-26 59 Siskiyou Along Road 8 to Sugar Creek trail, 4 mi. from Hwy. 3 Comment
  CAS-BOT-BC231004  Plagiobothrys hispidulus Alice Eastwood 1921-7-24 10737 Siskiyou Castle Lake Comment
  UC54755  Plagiobothrys tenellus F. W. Hooper 1897-4-21 Siskiyou Little Shasta Comment
  SEINET8274193  Plantago eriopoda A. A. Heller 1927-8-2 14442 Siskiyou near Gazelle, Shasta Valley. Comment
  HSC76930  Platanthera dilatata var. leucostachys K. T. Stillman 1976-8-7 214 Siskiyou Marble Mtn. Wilderness Area. 1951 Comment
  HSC61884  Platanthera dilatata var. leucostachys Ruby Van Deventer 27 Jul [year missing] Siskiyou Poker Flat 1585 Comment
  JEPS64398  Platanthera leucostachys Willis L. Jepson 1894-8-9 21276 a Siskiyou Shasta Springs Region of Upper Sacramento Comment
  HSC483  Platanthera sparsiflora William J. Ferlatte 1967-7-9 685 Siskiyou Kidd Creek Trail 1890 Comment
  HSC4863  Platanthera sparsiflora J. O. Sawyer 1968-7-10 506 Siskiyou On Sugar Creek just above confluence with S Sugar Creek 1707 Comment
  HSC86550  Platanthera stricta D. K. Imper 1987-6-6 Siskiyou 8 mi. E of Somes Bar, vicinity of Jawbone Camp 1372 Comment
  SEINET3162859  Plectritis G. D. Butler 1910-3-24 1139 Siskiyou Shasta River Hills Comment
  POM208361  Plectritis congesta subsp. brachystemon Louis C. Wheeler 1934-6-4 2632 Siskiyou Hamburg Gulch off Horse Creek. (Mt. Diablo Mer.) Siskiyou Mts. 610 Comment
  UC450464  Poa bulbosa Morris Halperin 1931-5-17 301 Siskiyou near Yreka Comment
  UCD90607  Poa bulbosa Alan A. Beetle; G. L. Stebbins Jr. 1942-5-30 3385 Siskiyou at Weed. Comment
  HSC36750  Poa compressa J. P. Smith 1974-5-25 7404 Siskiyou Along Rd. 8, 0.9 mi. from its junction with Hwy. 3 976 Comment
  CDA2359  Poa pratensis G. D. Barbe, J. T. Howell, T. C. Fuller 1980-5-2 2771 Siskiyou 2 miles (3.2 km) east of Callahan, at Hwy 3 bridge over East Fork Scott River. Comment
  UC1037088  Poa pratensis subsp. pratensis Leo Whitney 1934-6-29 2222 Siskiyou near Tennant (Antelope Creek) 1463 Comment
  CAS-BOT-BC247522  Poa pringlei Copeland 1903-10-7 3792 Siskiyou Mt. Eddy Comment
  RSA238332  Poa pringlei Frederick W. Oettinger 1967-8-17 274 Siskiyou On northwest exposure of Crapo Peak Ridge along trial where it crosses the ridge. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2195 Comment
  UC1265427  Poa pringlei Frederick W. Oettinger and R. F. Thorne 1969-8-5 1218 Siskiyou Crapo View Gap above English Lake (vicinity of English Peak); Salmon Mts, western Siskiyou Co, High Lake Basins, Marble Mt 1828 Comment
  SEINET207114 Image available Poa pringlei Rimo Bacigalupi 1959-7-1 7197 Siskiyou At edge of overhanging lava rock near head of ski lift above Mt. Shasta ski Bowl Lodge; on moriane between ice and snow fields; southwestern slopes of Mt. Sasta; elev. 9300 Comment
  CAS-BOT-BC237713  Poa secunda David D. Keck 1949-7-20 6368 Siskiyou At Scott Mountain Summit, at Trinity County line 1633 Comment
  CDA18408  Poa secunda G. D. Barbe, T. C. Fuller & J. T. Howell 1980-4-28 2594 Siskiyou Cascade Range; 2.5 miles south of Grenada Station, 0 Comment
  UCD90328  Poa secunda A. A. Beetle; G. L. Stebbins Jr. 1942-5-31 3414 Siskiyou Canyon N of Willow Creek, 5 miles W of Gazelle. Comment
  UCD92392  Poa secunda subsp. juncifolia Mr. Roseman 1913-1 33 Siskiyou Butte Valley. Comment
  CAS-BOT-BC243219  Poa secunda subsp. secunda A. A. Heller 1915-6-10 11956 Siskiyou Little Summit in the Sierra Nevada 1432 Comment
  HSC27327  Poa secunda subsp. secunda J. P. Smith, J. O. Sawyer, Maralyn O'Meara 1972-7-3 5672 Siskiyou E slope of Kangaroo Mtn. above Toehead Lake. 1890 Comment
  UCD18948  Podagrostis humilis A. H. Murphy 1954-8-11 54 D Siskiyou Klamath National Forest, U.S.F.S., Round Meadow. 1676 Comment
  UCD52766  Podagrostis humilis J. M. Tucker 1963-8-19 3781 Siskiyou Marble Mountain Wilderness Area, headwaters of Canyon Creek. 1950 Comment
  JEPS80553  Polemonium californicum Gilbert Muth 1965-8-8 196 Siskiyou Marble Wilderness Area Marble Mt. Wilderness Area 1828 Comment
  CAS-BOT-BC6420  Polemonium shastense Edwin Bingham Copeland 1903-7-16 s.n. Siskiyou Mt. Shasta 3169 Comment
  JEPS93852  Polyctenium fremontii var. fremontii Vernon H. Oswald and Lowell Ahart 1998-6-11 9200 Siskiyou 9 air mi e of Grass Lake (22 air mi ne of Weed, Dry Lake on the s side of Tennant Road); Dry Lake, Tennant Road 1402 Comment
  HSC45188  Polygala californica J. O. Sawyer, E. Cope 1977-6-18 2930 Siskiyou Along Clear Creek Trail between Ten Mile Creek and Bear Pen Creek 610 Comment
  CAS-BOT-BC170335  Polygala cornuta var. cornuta Wayne Roderick 1967-7-25 s.n. Siskiyou Cabin Meadow, n. of Cory Peak, Scott Mts. 1828 Comment
  UC1034061  Polygala cornuta var. cornuta W. Bridge Cooke 1941-9-5 16259 Siskiyou along Sisson Southern Trail and Memorial Highway Mount Shasta 1371 Comment
  UC17452  Polygala cornuta var. cornuta Milo S. Baker 1893-8-20 Siskiyou Dunsmuir Sac. Canyon Comment
  CAS-BOT-BC170342  Polygala cornuta var. cornuta Annie M. Alexander; Louise Kellogg 1948-9-4 5581 Siskiyou On bank above road, half way between Somersbar and Forks of the Salmon, Salmon River - Siskyou Mountains Comment
  UC1299691  Polygonum bistortoides Freed W. Hoffman 1951-7-16 4055 Siskiyou Sky High Valley Marble Mountains Comment
  UC465751  Polygonum bistortoides Mrs. R. M. Austin June 1894 1861 Siskiyou Pothole Springs Lava Beds Comment
  CAS-BOT-BC414393  Polygonum californicum Geo. D. Butler 1908-7-12 192 Siskiyou Near Yreka Comment
  CAS-BOT-BC414587  Polygonum douglasii Wm. Bridge Cooke 1938-8-5 11447 Siskiyou Mount Shasta. MacBride Springs Comment
  HSC17499  Polygonum douglasii L. C. Wheeler 1935-7-26 3700 Siskiyou Siskiyou Mountains: Jaynes Canyon 1951 Comment
  RSA756974  Polygonum douglasii Barbara J. Ertter 1990-7-14 93101 Siskiyou East side of Mount Eddy about 4 air miles due west of Mount Shasta City, at streamlet near end of Forest Road 41N53, about 1 mile north of Morgan Meadows. 1677 Comment
  POM104485  Polygonum douglasii Geo. D. Butler 1908-8-8 186 Siskiyou W Fork Wooly Creek. 1829 Comment
  UC164243  Polygonum douglasii subsp. douglasii Geo. D. Butler 1910-7-7 1787 Siskiyou Shackleford Creek 914 Comment
  CHSC71596  Polygonum douglasii subsp. johnstonii Vernon H. Oswald; Lowell Ahart 1998-8-3 9456 Siskiyou East end of Rock Fence Lake Rd. (USFS 41N18) in the Scott Mtns. east of Kangaroo Lake. Near Rock Fence Creek. 1920 Comment
  JEPS81905  Polygonum douglasii subsp. spergulariiforme Roger Raiche 1982-10-12 20783 Siskiyou near Yreka; Gunsight Peak 1828 Comment
  UC375323  Polygonum douglasii subsp. spergulariiforme Geo. D. Butler 1909-8-6 184 Siskiyou summit s Marble Valley Comment
  UC850392  Polygonum douglasii subsp. spergulariiforme Alice Eastwood 1922-10-23 11553 Siskiyou Yreka Comment
  POM211468  Polygonum minimum Louis C. Wheeler 1934-8-22 3207 Siskiyou Siskiyou Mts: Dead Cow Creek. 1829 Comment
  RSA0034881  Polygonum persicaria Louis C. Wheeler 1934-9-20 3286 Siskiyou Lumgrey Creek, Siskiyou Mountains. 670 Comment
  UC164408  Polygonum phytolaccifolium Geo. D. Butler 1910-7-8 1674 Siskiyou Upper Campbell Lake 1676 Comment
  JEPS19785  Polygonum polygaloides subsp. confertiflorum Rimo Bacigalupi with S. Galen Smith 1957-6-26 5936 Siskiyou about 2 1/2 mi nw of Weed (close to U.S. Highway 99) 1005 Comment
  UC1735911  Polygonum polygaloides subsp. confertiflorum Dean W. Taylor 1990-6-12 10872 Siskiyou Adobe Flat Reservoir, ca. 5 miles N of Timbered Crater, 1075 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-BC109283  Polygonum shastense G. A. Coleman 1900-8-18 s.n. Siskiyou Near the head of Panther Creek. Mount Shasta. Comment
  HSC19186  Polygonum spergulariiforme J. O. Sawyer 1968-9-10 686 Siskiyou Below Young's Meadow on Clear Creek. 1372 Comment
  POM104534  Polygonum spergulariiforme Geo. D. Butler 189 Siskiyou Dry hills near Yreka. Comment
  RSA211298  Polygonum spergulariiforme William J. Ferlatte 1966-8-18 431 Siskiyou Willow Creek Trail. 1707 Comment
  POM265991  Polypodium glycyrrhiza Lincoln Constance, Reed C. Rollins 1942-5-13 2908 Siskiyou Klamath-Siskiyou Region: Klamath River 4 miles east of Seiad. 457 Comment
  HSC61162  Polypodium hesperium Al Hobart 1967-8-8 Siskiyou El Capitan Comment
  CAS-BOT-BC233037  Polypogon interruptus Doris K. Kildale 1928-7-25 5894 Siskiyou Klamath River, Mack's Creek, near Hamburg Comment
  JEPS73743  Polypogon monspeliensis George D. Butler 1908-6-27 471 Siskiyou along creek Butler's Ranch near Yreka; Butler's Ranch Comment
  SEINET182711 Image available Polypogon monspeliensis John P. Young 1921-9-13 Siskiyou Gazelle. Comment
  UC1023835  Polypogon monspeliensis Douglas Barbe 1955-7-4 88 Siskiyou on Parrot Mill Rd 10 mi s Etna; Klamath Mountains 975 Comment
  UCD78119  Polystichum imbricans Robert E. Preston 2001-6-23 1572 Siskiyou Klamath National Forest, n slope of Rainbow Mtn, at Hemlock Lake, T42N R1W se 1/4 of se 1/4 Section 14 1889 Comment
  RSA237505  Polystichum imbricans Frederick W. Oettinger 1616 a Siskiyou The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area., On a west facing granitic rock slope just below that section of the English Peak - Hancock Lake trail that is due NNE of Ton's Lake. 2119 Comment
  CAS-BOT-BC76741  Polystichum imbricans subsp. imbricans Alice Eastwood 1912-7-23 1336 Siskiyou Cantara Comment
  HSC92663  Polystichum lemmonii Jennifer Whipple 1976-8-20 1724 Siskiyou Wagon Creek drainage on the E face of Mount Eddy 2195 Comment
  UCR110585  Polystichum lemmonii L. C. Wheeler 1963-8-25 8272 Siskiyou S side of Preston Peak at the head of Rattlesnake Creek. 1829 Comment
  HSC61976  Polystichum lemmonii Al Hobart 6 Aug [year missing] Siskiyou Preston Pk. 1982 Comment
  RSA123580  Polystichum lemmonii G. D. Barbe 1955-7-9 147 Siskiyou Among rocks beside a stream on SW shore of Kangaroo Lake, Scott Mts. 1829 Comment
  RSA259549  Polystichum lemmonii J. P. Smith, J. O. Sawyer 1973-8-14 7308 Siskiyou On trail from Campbell Lake to Cliff Lake. 1828 Comment
  SEINET10793990  Polystichum lemmonii George Yatskievych, Kay Yatskievych 1988-8-25 Yatskievych 88 -204 Siskiyou 1.3 miles N of Park Creek Crest on paved Forest Service Road 42N17, SW of Weed. T41N R06W S33 NW4. 2000 Comment
  CAS-BOT-BC72399  Polystichum lonchitis Louis C. Wheeler 1934-8-6 3058 Siskiyou Rock Gulch off Jaynes Canyon, Siskiyou Mts. 1828 Comment
  CAS-BOT-BC72401  Polystichum lonchitis Louis C. Wheeler 1934-8-10 3100 Siskiyou Dead Cow Creek, Siskiyou Mts. 1889 Comment
  CAS-BOT-BC72405  Polystichum lonchitis John Thomas Howell 1939-8-3 14991 Siskiyou Spirit Lake, Marble Mts. 1828 Comment
  POM210880  Polystichum lonchitis L. C. Wheeler 1934-8-6 3058 Siskiyou Siskiyou Mountains: Rocky Gulch off Jaynes Canyon. Mt. Diablo Mer. 1829 Comment
  UCD78121  Polystichum lonchitis Robert E. Preston 2001-6-23 1588 Siskiyou Klamath National Forest, n slope of Rainbow Mtn, T42N R1W nw 1/4 of ne 1/4 Section 23 1950 Comment
  RSA237509  Polystichum lonchitis Frederick W. Oettinger 1968-9-2 661 Siskiyou Above Upper English Lake. Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountains Wilderness Area. 1875 Comment
  CHSC40  Polystichum scopulinum V. Holt 1936-7-2 Siskiyou Mt. Eddy. 1828 Comment
  UC845952  Populus trichocarpa W. Bridge Cooke 1942-7-2 16363 Siskiyou bed of Mud Creek Canyon above the Dam Mount Shasta; , bed of Mud Creek Canyon Comment
  CHSC91716  Potamogeton crispus G. F. Hrusa 2001-6-6 15860 Siskiyou Siskiyou Mountains. Klamath River, +/- 1.5 mi. E of Ft. Goff campground. At river edge. Adjacent to 15859, app. 20 meters downstream. UTM: 10T, 463312 N, 0481408 E. 350 Comment
  UC202562  Potamogeton illinoensis Geo. D. Butler 1910-8-21 1853 Siskiyou Shasta River Comment
  HSC61832  Potentilla breweri Ruby Van Deventer 1938-4-29 Siskiyou Poker Flat 1585 Comment
  HSC99681  Potentilla breweri G. L. Clifton 1979-7-1 6187 Siskiyou Near Poker Flat, close to the town of Happy Camp 1538 Comment
  UC1560736 Image available Potentilla cristae W. J. Ferlatte 1989-8-5 2120 Siskiyou e Cory Peak (above headwaters of Cabin Meadow Creek); China Mt. SE Quad., e of Cory Peak, Cabin Meadow Creek 2194 Comment
  HSC18931  Potentilla flabellifolia J. O. Sawyer 1969-8-4 1820 Siskiyou Above Sugar Lake 2134 Comment
  UC727198  Potentilla gracilis A. A. Heller 1918-7-16 13030 Siskiyou Mt. Eddy 2682 Comment
  UC1409339  Potentilla gracilis var. fastigiata Frederick W. Oettinger 1968-9-10 816 Siskiyou Horse Range Lake meadow Salmon Mountains, Marble Mountain Wilderness Area (High Lake Basins in the vicinity of English Peak, Salmon Mountains, Marble Mountain Wilderness Area, W Siskiyou Co.) 1828 Comment
  LA208101  Potentilla gracilis var. fastigiata W. B. C.; 1939-7-7 13591 Siskiyou Mount Shasta, Bear Springs 1523 Comment
  POM250747  Potentilla gracilis var. fastigiata W. Bridge Cooke 1938-7-29 11395 Siskiyou Bear Springs, Mount Shasta 1524 Comment
  UCD125289  Prunella vulgaris A. H. Murphy 1955-7-27 55 B Siskiyou Klamath National Forest. Marble Mountains. Cold Springs Meadow. 1676 Comment
  HSC18927  Prunella vulgaris subsp. lanceolata J. O. Sawyer 1969-7-26 1586 Siskiyou Along Sugar Creek 1707 Comment
  RSA183721  Prunella vulgaris var. lanceolata Gilbert Muth 1965-8-16 222 Siskiyou Marble Valley, Marble Mts. Comment
  RSA68936  Prunella vulgaris var. lanceolata A. E. Culbertson 1943-7-17 22 Siskiyou Near Forest Service Camp Grd. about a mile downstream from Castle Lake on road to town of Shasta; on north slope of a 6600 eastern spur of Trinity Mts. and 1500 above Sacramento R., within 9 air miles of its headwaters to the west., Mt. Shasta 13 miles to NE 1524 Comment
  CAS-BOT-BC158208  Prunus emarginata John Thomas Howell 1937-7-25 13449 Siskiyou Caribou Basin, Salmon-Trinity Alps 2286 Comment
  CAS-BOT-BC158217  Prunus emarginata Geo. D. Butler 1910-5-1 1256 Siskiyou Humbug Mt. Comment
  CAS-BOT-BC158245  Prunus emarginata K. T. Stillman 1976-6-25 95 Siskiyou Marble Mountain Wilderness Area. Between Marble Gap & Elk Valley trail Comment
  HSC60166  Prunus emarginata J. P. Smith 1976-5-21 8763 Siskiyou Klamath National Forest, FS Rd. 40N08, 6.9 mi. from its junction with Hwy. 3 1524 Comment
  JEPS44954  Prunus emarginata Geo. D. Butler 1908-8-26 537 Siskiyou Salmon Mountain, near summit Salmon Mountain Comment
  RSA184732  Prunus emarginata Gilbert Muth 1966-7-8 373 Siskiyou Marble Valley Meadow, Marble Mountains. 1793 Comment
  UC165439  Prunus emarginata Geo. D. Butler 1910-5-1 1256 Siskiyou Humbug Mountain Comment
  UC719804  Prunus emarginata Rogers McVaugh 1941-8-4 6231 Siskiyou 1 mi s of Mount Shasta City Comment
  HSC100863  Prunus subcordata J. P. Smith, J. O. Sawyer 2010-5-6 12815 Siskiyou Along Road 9KO2, N of Irongate Reservoir. 755 Comment
  CAS-BOT-BC151228  Prunus virginiana var. demissa A. A. Heller 1905-6-9 8004 Siskiyou Yreka, at the base of the hills east of the town, along an irrigating ditch. Comment
  CAS-BOT-BC151247  Prunus virginiana var. demissa Edward Lee 1934-8-14 1101 Siskiyou Little Grayback, near and at summit, Siskiyou-Del Norte County line. 1868 Comment
  HSC18835  Prunus virginiana var. demissa D. M. Thomson 1965-8-14 198 Siskiyou California Lave Beds National Park; Tichner Rd., 2 mi. SW of Mammoth Crater Comment
  HSC76874  Prunus virginiana var. demissa K. T. Stillman 1976-6-26 136 Siskiyou Marble Mtn. Wilderness Area, Kings Castle 2134 Comment
  RSA237590  Prunus virginiana var. demissa Frederick W. Oettinger 1968-9-5 702 Siskiyou SE slope above English Lake. Salmon Mtns. High Lake Basins in the vicinity of English Peak. Marble Mtn Wilderness Area. Comment
  UC154510  Prunus virginiana var. demissa Harley P. Chandler June, 1901 1631 Siskiyou Klamath River to Marble Mountain; North Coast Ranges 2133 Comment
  UC454998  Prunus virginiana var. demissa I. J. Condit 1911-7-13 Siskiyou Dunsmuir Comment
  UC527336  Prunus virginiana var. demissa C. B. Wolf 1931-9-2 2389 Siskiyou near Fish Hatchery at Mount Shasta City (Sisson) Fish Hatchery; Mount Shasta City (Sisson) 1066 Comment
  OBI55411  Pseudognaphalium thermale David J. Keil, Kathleen Keil 1992-7-21 23527 Siskiyou Klamath Natl Forest SE of Callahan. Forest Rd 40N08. 0.5 mi W of Scott Mtn rd (hwy 3) Comment
  UCD135254  Pseudognaphalium thermale J. P. Smith 1972-9-13 5785 Siskiyou 1/2 mile west of Cook and Green Pass on road to Lily Pad Lake. Comment
  LA6344  Pseudotsuga menziesii var. menziesii W. B. C.; 1939-7-26 13788 Siskiyou Mount Shasta, along the Sisson Southern Trail 1371 Comment
  UCD135128  Pseudotsuga menziesii var. menziesii Lalit M. Srivastava; H. R Offord, C. R. Quick 1959-6-23 81 Siskiyou Cecilville Road south of Black Bear Summit. 1402 Comment
  HSC18923  Pterospora andromedea J. O. Sawyer 1969-7-9 1201 Siskiyou Near C.C.C. road N of Sugar Creek. Comment
  UC456177  Pterospora andromedea I. J. Condit 1909-8-23 Siskiyou Sisson 1524 Comment
  UC1292079  Pteryxia terebinthina var. californica A. A. Heller 1928-6-9 14597 Siskiyou yellow pine forest on Spring Hill near Sisson Comment
  HSC97135  Puccinellia distans L. Ahart 2005-6-9 12002 Siskiyou 3/5 mi. S of Hwy. 99/97 cutoff, 2 1/2 mi. ESE of Grenada 775 Comment
  UC1738836  Puccinellia nuttalliana Dean W. Taylor 1987-8-9 9288 Siskiyou along Highway 161 8.3 mi W of Hwy 139, Lower Klamath Lake National Wildlife Refuge 1249 Comment
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Oct 8 2007
  CAS-BOT-BC147912  Purshia tridentata var. tridentata D. E. Breedlove 1962-6-11 3360 Siskiyou Along State Highway 89, 8.0 miles east of McCloud; Cascade Range 1127 Comment
  UC164303  Purshia tridentata var. tridentata Geo. D. Butler 1910-4-16 1184 Siskiyou Shasta River Comment
  UC61036  Purshia tridentata var. tridentata Geo. B. Grant Sep 1902 5154 Siskiyou Sisson 914 Comment
  UC25274  Pycnanthemum californicum W. H. Brewer 1862-9-7 1355 Siskiyou Upper Sacramento Ferry Camp 96; Upper Sacramento Ferry Comment
  CAS-BOT-BC460863  Pyrola aphylla Doris K. Kildale 1929-7-20 8645 Siskiyou Trail up South Fork Indian Creek to Elk Lick Comment
  RSA0084311  Pyrola dentata Diana D. Jolles, Erik M. Beaston 2011-8-26 483 Siskiyou Klamath National Forest, Alcohol Crater. 2113 Comment
  SEINET8218484  Pyrola dentata Fred W. Hoffman 1948-7-8 2601 Siskiyou north of West Branch Camp; Waldo-Happy Camp Road. Comment
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May 8 2018
  CAS-BOT-BC466128  Pyrola picta Alice Eastwood 1921-7-26 10859 Siskiyou Soda Creek Comment
  UC1034576  Pyrola picta Douglas Barbe 1955-7-26 269 Siskiyou Klamath Mountains, on nw slope of Scott Mountain Scott Mountain; Klamath Mountains, Scott Mountain 1828 Comment
  HSC85676  Pyrrocoma racemosa var. pinetorum J. P. Smith 1980-8-24 10344 Siskiyou Klamath National Forest. Forest Rd. 40N03, 0.3 mi. from its junction with State Route 3; 2.72 mi. from county line 1463 Comment
  CAS-BOT-BC362386  Pyrrocoma racemosa var. racemosa Elmer I. Applegate 1923-8-21 3925 Siskiyou Willow Creek, south of Lower Klamath Marsh Comment
  HSC18864  Quercus chrysolepis G. L. Clifton, Griswold 1979-6-26 5965 Siskiyou Near Merrill Creek 351 Comment
  UC1332425  Quercus chrysolepis unknown 1940-6-27 15197 Siskiyou along the old Hotlum Road Mount Shasta Comment
  UC164057  Quercus chrysolepis Geo. D. Butler 1910-6-7 1530 Siskiyou Greenhorn Mountain Comment
  CAS-BOT-BC94662  Quercus garryana Alice Eastwood 1921-7-22 10710 Siskiyou near Dunsmuir Comment
  UC142637  Quercus garryana Copeland 1903-7-14 3522 Siskiyou Klamathon Comment
  CAS-BOT-BC62755  Quercus garryana var. breweri John Thomas Howell 1934-7-4 12384 Siskiyou Lava flow between Timbered Crater and Little Hot Springs Valley Comment
  CAS-BOT-BC62761  Quercus garryana var. breweri Doris K. Kildale 1928-7-2 5351 Siskiyou Salmon Summit via Horn Creek Trail 1981 Comment
  CAS-BOT-BC62765  Quercus garryana var. breweri Marion Ownbey; Fred G. Meyer 1940-7-8 2229 Siskiyou summit of Siskiyou Mountains, 21 miles north of Happy Camp Comment
  RSA237813  Quercus garryana var. breweri Frederick W. Oettinger 1969-8-3 1152 Siskiyou Growing just s.w. of the brook on the w. side of English Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1753 Comment
  UC164437  Quercus garryana var. breweri Geo. D. Butler 1908-8-8 232 Siskiyou Marble Valley Comment
  UCSB1175  Quercus garryana var. breweri Muller, Cornelius 1954-6-23 Siskiyou Summit, 3.5 mi. S of Oregon line, on road to Happy Camp, Siskiyou Mtns.; Del Norte-Siskiyou Co. line Comment
  CAS-BOT-BC105471  Quercus kelloggii Marion Ownbey; Fred G. Meyer 1940-7-7 2214 Siskiyou Cayenne Ridge, Marble Mountain Comment
  CAS-BOT-BC104337  Quercus sadleriana Edward Lee 1934-8-13 1067 Siskiyou Happy Camp to Waldo (Oregon) road, watershed of West Branch of Indian Creek, Klamath National Forest 1371 Comment
  UCD47230  Quercus sadleriana R. Tofsrud; J. M. Tucker 1948-8-3 1779 C Siskiyou Summit of Happy Camp- O'Brien (Oregon) road, on Del Norte-Siskiyou County line, California. 1554 Comment
  UCD47249  Quercus sadleriana P. C. Everett; E. K. Balls 1954-10-13 20292 Siskiyou Indian Creek rd. to Obrien, 20 1/2 mi. n.w. from Hwy 96 at Happy Camp, Siskiyou County. 1524 Comment
  UCD83688  Quercus sadleriana Sandra L. Holloway 1963-10-12 77 Siskiyou Marble Mountain Wilderness Area, junction of Red Rock Valley trail and Canyon Creek trail. 1341 Comment
  RSA96709  Quercus sadleriana Percy C. Everett, E. K. Balls 1954-10-13 20292 Siskiyou Indian Creek road to Obrien, 20 1/2 miles northwest from Hwy 96 at Happy Camp. 1524 Comment
  CAS-BOT-BC104630  Quercus vacciniifolia Elmer I. Applegate 1930-8-9 6598 Siskiyou Middle Fork Applegate River Comment
  CDA22070  Quercus vacciniifolia T. C. Fuller, Don Shaw 1974-9-24 20040 Siskiyou Pacific Crest Trail, summit of the Siskiyou Mountains, east of White Mountain. 0 Comment
  RSA659521  Quercus vacciniifolia Gary D. Wallace 1990-7-1 2958 Siskiyou Trinity Mountains: SW of Shasta City, Cedar Basin Research Area. 1829 Comment
  UCD47463  Quercus vacciniifolia D. Sanchez-Mata; P. Rodriguez-Rojo 1997-7-13 s.n. Siskiyou Callahan-Cecilville. Cecilville Road. Klamath National Forest. 1650 Comment
  UC5830  Quercus wislizeni var. frutescens W. H. Brewer 1862-8-21 1330 Siskiyou near Shasta 914 Comment
  JEPS90107  Raillardella pringlei Dean W. Taylor 1988-7-9 9939 Siskiyou Gumboot Creek North Coast Ranges (headwaters of South Fork Sacramento River, (Seven Lakes Basin 7 1/2' quadrangle) 1905 Comment
  POM99905  Ranunculus flammula var. ovalis Geo. D. Butler 1910-7-12 1741 Siskiyou Shackleford Creek. 1220 Comment
  RSA0005358  Ranunculus marmorarius H. P. Chandler 1901-06 1691 Siskiyou Near Marble Mountain 2134 Comment
  POM149885  Ranunculus occidentalis var. eisenii Geo. D. Butler 1910-4-19 1199 Siskiyou Yreka Comment
  RSA237977  Raphanus sativus Frederick W. Oettinger 1969-8-14 1367 Siskiyou Near English Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness. Comment
  CDA17132  Rhamnus purshiana G. F. Hrusa 2001-6-6 15846 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
  JEPS41948  Rhamnus purshiana Geo. D. Butler 1908-8-8 23 Siskiyou Marble Valley 1676 Comment
  RSA7807  Rhamnus purshiana Doris K. Kildale 1928-7-25 5912 Siskiyou Klamath River Comment
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Jan 24 2013
  RSA7821  Rhamnus purshiana Doris K. Kildale 1928-8-18 6423 Siskiyou N Fork Salmon River at Finley Camp. Comment
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Jan 25 2013
  JEPS41960  Rhamnus rubra W. L. Jepson 1914-8-14 6171 Siskiyou Dunsmuir 670 Comment
  CAS-BOT-BC53736  Rhododendron columbianum Dorothy Parker 1959-7-20 738 Siskiyou Below Rock Fence Lake 1981 Comment
  CAS-BOT-BC53737  Rhododendron columbianum John Thomas Howell 1937-7-24 13423 Siskiyou Caribou Basin, Salmon-Trinity Alps 2286 Comment
  HSC22286  Rhododendron columbianum J. O. Sawyer 1969-6-12 873 Siskiyou SE facing upper slope above Sugar Creek 1890 Comment
  OBI55461  Rhododendron occidentale David J. Keil, Kathleen Keil 1992-7-21 23543 Siskiyou Klamath NF SE of Callahan. Forest Road 40N08, 1.7 mi W of Scott Mtn road (Hwy 3)). Comment
  SEINET10907249  Rhododendron occidentale Mary Merello 1993-6-22 Merello 688 Siskiyou Shasta National Forest outside of Mt. Shasta City. Along Forest Service Road 26 to Lake Siskiyou. Mixed conifer forest along rocky, gravely slopes of the Sacramento River. 1090 Comment
  UC61673  Ribes W. A. Setchell, C. C. Dobie 1902-7-16 Siskiyou Sisson Mount Shasta Comment
  CAS-BOT-BC437999  Ribes Alice Eastwood 1912-7-23 1324 Siskiyou Cantara Comment
  CAS-BOT-BC438007  Ribes L. B. Kildale 1930-6-1 9776 Siskiyou Black Bear trail to Sawyers Bar Comment
  CAS-BOT-BC92405  Ribes aureum var. aureum Doris K. Kildale 1929-3-11 7762 Siskiyou Klamath River at Hornbrook. Comment
  CAS-BOT-BC108770  Ribes cereum Alice Eastwood 1912-8-28 1937 Siskiyou Sisson. Comment
  CAS-BOT-BC168865  Ribes inerme var. klamathense Doris K. Kildale 1929-4-27 7842 Siskiyou Cecilville, Upper South Fork of Smith River Comment
  UC1181815  Ribes inerme var. klamathense Dorothy Parker 1950-4-28 407 Siskiyou along Scott River Siskiyou Mountains, Scott Valley 853 Comment
  UCR80273  Ribes lacustre L. C. Wheeler 1934-6-14 2713 Siskiyou Siskiyou Mountains, Arrastre Creek off Hungry Creek. 1280 Comment
  CAS-BOT-BC173389  Ribes lobbii A. M. Vollmer; L. Beane 1951-6-2 86 Siskiyou Happy Camp, Klamath River Highway Comment
  JEPS49362  Ribes lobbii Geo. D. Butler 1909-5-31 1442 Siskiyou Humbug Creek Comment
  RSA0021151  Ribes lobbii Geo. D. Butler 1910-5-30 1442 Siskiyou Humbug Creek. Comment
  CAS-BOT-BC212485  Ribes marshallii John Thomas Howell 1939-8-2 14876 Siskiyou Spirit Lake, Marble Mts. Comment
  CAS-BOT-BC219268  Ribes nevadense A. A. Heller 1905-6-16 8047 Siskiyou Sisson Comment
  HSC19438  Ribes nevadense J. O. Sawyer 1969-8-5 1946 Siskiyou Along Sugar Creek. 1921 Comment
  SEINET3151815  Ribes nevadense G. D. Butler 1910-7-12 1759 Siskiyou Shackleford Creek 1372 Comment
  UC726985  Ribes nevadense A. A. Heller 1920-8-12 13513 Siskiyou 3 1/2 mi from Horse Camp Comment
  HSC48272  Ribes roezlii K. Stillman, P. Stekel May 1977 513 Siskiyou Along Happy Camp-O'Brien Rd. above Louse Creek Comment
  HSC68575  Ribes roezlii Maralyn A. Renner 1980-6-23 978 Siskiyou W Fork Seiad Creek 878 Comment
  UC165932  Ribes roezlii Geo. D. Butler 1910-4-21 1211 Siskiyou Oro Fino Comment
  CAS-BOT-BC199982  Ribes roezlii var. cruentum John Thomas Howell 1937-7-26 13546 Siskiyou Caribou Gulch Comment
  CAS-BOT-BC199996  Ribes roezlii var. cruentum Marion Ownbey; Fred G. Meyer 1940-7-6 2197 Siskiyou Near summit of Cayenne Ridge on south side, Marble Mountain Comment
  RSA0024593  Ribes roezlii var. cruentum Frederick W. Oettinger 1969-9-5 1686 Siskiyou Next basin east of Salamander Pond, Abbotts Lake basin. High lake basins in the vicinity of English Peak, Marble Mountain Wilderness Area. 1768 Comment
  RSA0024599  Ribes roezlii var. cruentum Geo. D. Butler 1909-4-15 645 Siskiyou Humbug Creek. Comment
  UC164962  Ribes sanguineum Geo. D. Butler 1910-7-12 1759 Siskiyou Shackleford Creek 1371 Comment
  UC375359  Ribes sanguineum Geo. D. Butler 1908-8-10 262 Siskiyou Shackleford Creek Comment
  CAS-BOT-BC173911  Ribes velutinum Alice Eastwood; John Thomas Howell 1940-6-14 8263 Siskiyou Lava Beds Nat. Mon. near Indian Wells Comment
  RSA0020886  Ribes velutinum A. A. Heller 1938-7-12 15251 Siskiyou 8 miles north of Weed, on US Highway 97. Comment
  CAS-BOT-BC168792  Ribes viscosissimum Wm. Bridge Cooke 1938-6-17 11005 Siskiyou Sisson Southern Trail, Mount Shasta 1676 Comment
  CAS-BOT-BC168809  Ribes viscosissimum John Thomas Howell 1939-8-2 14923 Siskiyou Spirit Lake, Marble Mts. Comment
  HSC98320  Ribes viscosissimum G. L. Clifton 1979-7-1 6194 Siskiyou Near Poker Flat, close to the town of Happy Camp 1538 Comment
  UC11679  Ribes viscosissimum Harley P. Chandler June 1901 1597 Siskiyou near Marble Mountain; North Coast Ranges 2133 Comment
  UC1312926  Ribes viscosissimum John M. Tucker 1963-7-7 3710 Siskiyou vicinity Paradise Lake (at base on e side of Kings Castle); Marble Mountain Wilderness Area 1981 Comment
  RSA716050  Rigiopappus leptocladus L. Ahart, John Dittes 2005-6-10 12086 Siskiyou North of the rock fence, about 200 yards southeast of the pump house along the Shasta River, about 1.9 miles (air) south of Highway 99/97 cutoff, about 6 miles (air) east-southeast of Grenada. 777 Comment
  UC922467  Romanzoffia sitchensis Annie M. Alexander and Louise Kellogg 1949-7-28 5880 Siskiyou Marble Mountains, Sky High Valley Sky High Valley; Marble Mountains, Sky High Valley 1767 Comment
  RSA597966  Romanzoffia sitchensis Louis C. Wheeler 1963-8-31 8321 Siskiyou Siskiyou Mountains. Devil's Punch Bowl off Clear Creek. 1524 Comment
  CAS-BOT-BC74662  Rorippa curvisiliqua Louis C. Wheeler 1934-7-3 2872 Siskiyou Klamath Forest. Soda Creek. 1676 Comment
  POM95687  Rorippa curvisiliqua Geo. D. Butler 1908-7-16 118 Siskiyou Yreka Creek. Comment
  JEPS107294  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
  CDA25127  Rorippa nasturtium-aquaticum F. D. Horn 1977-5-17 Siskiyou Highway 263, Shasta River Canyon, near Yreka. 0 Comment
  JEPS47279  Rosa Ruby Van Deventer 1938-7-31 270 Siskiyou Twin Valley 1219 Comment
  CHSC1596  Rosa bridgesii M. Yoder 1941-7-21 Siskiyou Castle Lake. 1981 Comment
  CAS-BOT-BC147461  Rosa californica Don. Reinoehl 1925-4-1 s.n. Siskiyou Dunsmuir Comment
  UC375395  Rosa californica Geo. D. Butler 1908-6-20 1044 Siskiyou near Yreka Comment
  CHSC75750  Rosa canina Vernon H. Oswald; Lowell Ahart 1999-7-5 9810 Siskiyou Gazelle Mtn. on road 41N03 0.5 mi southeast of Gazelle-Callahan Hwy. Roadside. 1508 Comment
  CAS-BOT-BC146746  Rosa gymnocarpa Alice Eastwood 1912-7-15 1079 Siskiyou McCloud Comment
  HSC61513  Rosa gymnocarpa Ruby Van Deventer 1939-7-18 Siskiyou Kelley Lake and Kelley Lake Trail 1220 Comment
  HSC73218  Rosa gymnocarpa Gail Newton 1980-6-20 509 Siskiyou Near Bald Mtn. 1097 Comment
  RSA597961  Rosa gymnocarpa Louis C. Wheeler 1963-9-3 8341 Siskiyou Siskiyou Mountains. Cyclone Gap chrome mine. Comment
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Apr 8 2015
  JEPS94391  Rotala ramosior Vernon Oswald and Lowell Ahart 1997-7-28 8807 Siskiyou 10.9 mi n of Highway 89 (on e side of Forest Route 15); Forest Route 15 1383 Comment
  HSC36468  Rubus leucodermis J. O. Sawyer 1969-7-11 849 Siskiyou Ravine above C.C.C. road. 1280 Comment
  CAS-BOT-BC147318  Rubus parviflorus Geo. D. Butler 1910-5-30 1438 Siskiyou Humbug Mountain 1219 Comment
  CAS-BOT-BC147325  Rubus parviflorus Alice Eastwood 1923-5-27 11943 Siskiyou Shasta Springs, on road to McCloud Comment
  HSC29360  Rubus parviflorus Frederick W. Oettinger 1968-8-18 565 Siskiyou High Lake basin in the vicinity of English Peak, Marble Mtn. Wilderness Area: E side of Hancock Lake 1936 Comment
  CAS-BOT-BC157169  Rubus ursinus Alice Eastwood 1912-7-17 1186 Siskiyou Sisson Comment
  UC618725  Rubus ursinus W. Bridge Cooke 1938-6-17 11048 Siskiyou Sisson Southern Trail , Sisson Southern Trail (Mount Shasta) Comment
  UCSB16644  Rubus ursinus Breedlove, Dennis 1962-6-11 Siskiyou About 20 miles west of Fort Jones; Marble Mountains 914 Comment
  CHSC63500  Rudbeckia californica var. glauca Vernon H. Oswald; Lowell Ahart 1994-8-1 6418 Siskiyou Forest Rd. 26 paralleling the South Fork of the Sacramento River, 0.3 mi E of Forest Rd. 40N43, 9.0 mi SW of the dam at Lake Siskiyou. 1438 Comment
  UC850502  Rumex acetosella A. A. Heller 1915-8-24 12209 Siskiyou ne base Mt. Eddy (Metcalf's ranch) 1188 Comment
  RSA68896  Rumex acetosella A. E. Culbertson 1943-7-12 61 Siskiyou Castle Lake, in a north facing cirque with a abrupt 1000' backwall; 14 miles SW of Mt. Shasta on N side of a 6600' eastern spur of Trinity Mts.; 2000 ft. above Sacramento R. within 10 air miles of its headwaters to the west. 1657 Comment
  UC375327  Rumex crispus Geo. D. Butler 1908-6-25 513 Siskiyou near Yreka Comment
  UCD101336  Rumex kerneri G. D. Barbe 1980-6-5 2815 Siskiyou Abandoned dairy south of Knighton Road along Sacramento River, on Riverland Drive (Interstate 5 frontage road); between Redding and Anderson. 128 Comment
  HSC92353  Sagina saginoides Jennifer Whipple 1976-7-24 1569 Siskiyou Near Dobkins Lake 2073 Comment
  POM107341  Salix boothii Geo. D. Butler 1908-8-7 152 Siskiyou Lake at head of W fork of Wooley Creek. 1829 Comment
  RSA597970  Salix delnortensis Louis C. Wheeler 1963-8-30 8310 Siskiyou Siskiyou Mountains. Second streamlet on east side of Clear Creek below Trout Camp; seen also at first stream on east side. 945 Comment
  RSA201501  Salix eastwoodiae J. T. Howell 1939-8-7 15125 Siskiyou Marble Mountain: Sky High Valley. 1829 Comment
  RSA238016  Salix eastwoodiae Frederick W. Oettinger 1968-8-2 355 Siskiyou E outlet of Diamond Lake. The Salmon Mtns. High Lake Basins in the vicinity of English Peak. Marble Mtn Wilderness Area. 2073 Comment
  UC1409267  Salix eastwoodiae Frederick W. Oettinger 1968-8-2 364 Siskiyou e outlet of Diamond Lake; Salmon Mts, High Lake Basins, English Peak vicinity, Marble 2072 Comment
  SEINET10538849  Salix exigua Katherine L. Morris 1973-6-2 Morris 374 Siskiyou Collected 7.0 mi s of etna along roadside of hwy 3, near a gravel quarry. Comment
  HSC76986  Salix jepsonii K. T. Stillman 1976-6-25 76 Siskiyou Marble Mtn. Wilderness Area 1799 Comment
  RSA105507  Salix laevigata G. D. Barbe 1955-6-28 6 Siskiyou 0.8 mile N of Callahan near Hjertagers' Mill. 976 Comment
  SEINET4471747 Image available Salix laevigata var. angustifolia E. L. Greene 1876-1 795 bis Siskiyou Yreka Comment
  RSA0034682  Salix lasiandra H. P. Bracelin 1931-6-19 424 Siskiyou Northeast side of Mount Eddy, about 16 km. northwest of Shasta City. 1350 Comment
  RSA0038286  Salix lasiandra H. P. Bracelin 1931-6-19 411 Siskiyou Northeast side of Mount Eddy, about 16 km. northwest of Shasta City. 1425 Comment
  UC482235  Salix lasiandra subsp. lasiandra Mrs. H. P. Bracelin 1931-6-19 411 Siskiyou ca. 16 km. n.w. Shasta City (stream above Metcalf ranch house, n.e. side Mt. Eddy); Mt. Eddy 1425 Comment
  HSC91251  Salix lasiandra var. lasiandra Jennifer Whipple 1977-8-6 2205 Siskiyou Dobkins Lake, below outlet of lake 2058 Comment
  UCD111532  Salix lasiandra var. lasiandra Mrs. H. P. Bracelin 1931-6-19 411 Siskiyou Northeast side of Mount Eddy, about 16 km. northwest of Shasta City. Above Metcalf ranch house. 1425 Comment
  CAS-BOT-BC125466  Salix lasiandra var. lasiandra W. R. Dudley 1899-8-23 s.n. Siskiyou [Callahans] Callahan Comment
  POM107151  Salix lasiolepis Geo. D. Butler 1909-3-13 1081 Siskiyou Yreka Creek. Comment
  RSA5699  Salix lasiolepis H. P. Bracelin 1931-6-19 410 Siskiyou NE side of Mt Eddy. About 16 km NW of Shasta City. Above Metcalf ranch house. 1425 Comment
  SJSU215  Salix lasiolepis Mrs. H. P. Bracelin 1931-6-21 469 Siskiyou 300 km below Dobbins L, N side Mt Eddy c. 21 km NW of Shasta City 1645 Comment
  CAS-BOT-BC124540  Salix lasiolepis var. lasiolepis Louis C. Wheeler 1934-12-16 3363 Siskiyou Oak Knoll Ranger Station, Klamath River, Siskiyou Mts. 670 Comment
  CAS-BOT-BC124896  Salix lemmonii Mrs. H. P. Bracelin 1931-6-21 467 Siskiyou North side of Mount Eddy, about 21 km. northwest of Shasta City; 180 m. below Dobkin's Lake 1770 Comment
  UC437366  Salix melanopsis Annie M. Alexander and L. Kellogg 1911-6-13 142 Siskiyou 6 mi. n.w. Callahan Comment
  CAS-BOT-BC126170  Salix scouleriana John Thomas Howell 1939-8-6 15102 A Siskiyou Elk Peak, Marble Mts., Siskiyou Mts. Comment
  CAS-BOT-BC129044  Salix scouleriana W. R. Dudley 1899-8-8 s.n. Siskiyou Near Big Spring above Sisson Comment
  UC1135100  Salix scouleriana H. A. Jensen 1933-10-25 366 Siskiyou s. of Signal Butte (Mt. Shasta-McCloud Rd.); Shasta Nat'l Forest, Dunsmuir Quad. Comment
  UC482264  Salix scouleriana Mrs. H. P. Bracelin 1931-6-20 442 Siskiyou ca. 17 km. n.w. Shasta City (above stream in Wagon Creek Canyon, ca. 1 km. up from Metcalf ranch house, e. side of Mt. Eddy); Mt. Eddy Comment
  CAS-BOT-BC126160  Salix scouleriana L. E. Smith 1914-3-17 574 Siskiyou Sisson, Junction of S.P. and McCloud R.R. Comment
  UC1034057  Salsola tragus W. Bridge Cooke 1941-9-5 16257 Siskiyou along the Memorial Hwy. Mt. Shasta Comment
  CAS-BOT-BC175656  Salsola tragus Alice Eastwood s.n. Siskiyou Montague Comment
  UCLA69733  Salvia sonomensis unknown 1938-6-17 11027 Siskiyou Sisson Southern Trail Comment
  CDA5766  Salvia virgata T. C. Fuller 1964-6-24 12244 Siskiyou Marlow property, Greenhorn Valley, ca 2 miles west of Yreka. 0 Comment
  UC441306  Sambucus melanocarpa Annie M. Alexander and Louise Kellogg 1911-6-17 155 Siskiyou Jackson L. 1798 Comment
  JEPS12731  Sambucus mexicana W. L. Jepson July, 1894 Siskiyou Sisson Comment
  JEPS80581  Sambucus mexicana Gilbert Muth 1965-8-2 143 Siskiyou between gate and Lower Sky High Lakes; Marble Mt. Wilderness Area 1767 Comment
  CAS-BOT-BC238885  Sambucus nigra subsp. caerulea John Thomas Howell 1937-7-23 13358 Siskiyou South Fork of Salmon River near Big Flat 1524 Comment
  HSC22467  Sambucus racemosa var. racemosa J. O. Sawyer 1969-7-18 1369 Siskiyou Above S Russian Creek. 2012 Comment
  UC13054  Sanguisorba annua W. A. Setchell, C. C. Dobie 1902-7-13 Siskiyou Sisson , Sisson (Mount Shasta) Comment
  CDA26417  Sanguisorba annua G. D. Barbe, T. C. Fuller 1972-6-14 946 Siskiyou North of Weed, ca. 1 mile north of US 97 on Hoy Road. 0 Comment
  UC1251651  Sanicula tuberosa Tracey and Viola Call 1964-6-26 2296 Siskiyou area surrounding Scott Mountain Campground Scott Mountain Campground 1676 Comment
  CHSC10153  Saponaria officinalis L. C. Wheeler 1934-9-16 3267 Siskiyou Walker, Klamath River, Siskiyou Mts. 518 Comment
  HSC104296  Sarcodes sanguinea Samantha E. Andres 2016-6-5 18 Siskiyou About 25 yds. from the intersection of Doe Flat and Devil's Punchbowl Trailheads, going towards Trout Camp 1269 Comment
  JEPS74642  Saussurea americana T. C. Fuller and D. H. Shaw 1974-9-24 20045 Siskiyou Horse Creek Siskiyou Mts., White Mtn. (in spring at headwaters, sw slope of mt.) Comment
  RSA237684  Saxifraga nidifica Frederick W. Oettinger 1969-7-9 940 Siskiyou NW of Upper English Lake. Salmon Mtns. High Lake Basins in the vicinity of English Peak. Marble Mtn Wilderness Area. 1921 Comment
  UC618602  Saxifraga tolmiei W. Bridge Cooke 1938-8-22 11556 Siskiyou w slope of Shastina (Mount Shasta); , Shastina 2895 Comment
  HSC101871  Saxifragopsis fragarioides R. D. Whittlesey 2013-8-3 14 Siskiyou 3.2 mi. west on Castle Creek Rd. from Castella, and 3.4 mi. up Sulfur Creek Climber's trail. 1707 Comment
  UC840945  Scirpus microcarpus L. E. Smith 1913-5-27 295 Siskiyou Weed Comment
  HSC4159  Scleranthus annuus L. C. Wheeler 1935-6-15 3589 Siskiyou 3 mi. S of Greenview, Scott Valley, Mt. Diablo Meridian 884 Comment
  CHSC35674  Sclerochloa dura R. E. Preston 1982-5-1 276 Siskiyou Camp Creek Recreation Area, Irongate Reservoir, ca. 20 mi ne of Yreka. 701 Comment
  CAS-BOT-BC5855  Scorzonella pratensis Edward Lee Greene 1876-6-23 883 Siskiyou Yreka Comment
  UC164006  Scutellaria antirrhinoides Geo. D. Butler 1910-5-30 1430 Siskiyou Humbug Creek Comment
  JEPS94674  Scutellaria galericulata Vernon H. Oswald and Lowell Ahart 1998-7-21 9350 Siskiyou ne Weed (and se of Macdoel in area of marshes and wet meadow along Old State Highway on w side of Bray) 1417 Comment
  CAS-BOT-BC214252  Scutellaria nana Elmer I. Applegate 1935-6-6 9365 Siskiyou Crater of Caldwell Butte, Lava Beds National Monument Comment
  UCD125688  Scutellaria siphocampyloides Robert E. Preston 1995-6-22 897 Siskiyou Irongate Reservoir, on open slopes W of Mirror Cove. 731 Comment
  UC165984  Sedum Geo. D. Butler 1908-6-27 140 Siskiyou Forest House (mountain) Forest House Comment
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Oct 20 2011
  CHSC116241  Sedum lanceolatum var. lanceolatum Barbara L. Wilson; Rhonda Posey, Julia K. Nelson 2011-8-10 16830 Siskiyou Ridge line west of Kangaroo Lake, near loop at end of road 40N15; UTM Zone 10 529792 east, 4575286 north +-30 feet. 2012 Comment
  JEPS96690  Sedum laxum subsp. flavidum Dean W. Taylor 1997-6-12 16064 Siskiyou 4 mi west of Gazelle; Shasta Valley, Willow Creek 944 Comment
  HSC76890  Sedum obtusatum subsp. retusum K. T. Stillman 1976-7-7 155 Siskiyou Marble Mtn. Wilderness Area 1982 Comment
  HSC104262  Sedum oregonense P. F. Zika 2011-7-19 25647 Siskiyou Klamath Range; Near Pacific Crest trail, 1 air mi. WNW of Copper Butte, Siskiyou Mountains 1610 Comment
  SBBG30539  Sedum oregonense D. Myrick 1968-6-27 2036 Siskiyou just above Carter's Ranch, 5 mi S of Big Flat 1676 Comment
  RSA0083651  Sedum oregonense Clare B. Hardham 1961-7-1 8132 Siskiyou Siskiyou Mts. 1829 Comment
  RSA0035470  Sedum spathulifolium Peter F. Zika 2011-7-19 25646 Siskiyou Forest Service Road 1055, 7.7 road miles above junction with Road 1050, 2.5 air miles SSE of Windy Peak, Siskiyou Mountains, Klamath Range. 1510 Comment
  HSC44705  Sedum spathulifolium var. spathulifolium J. O. Sawyer, E. Cope 1977-6-18 2899 Siskiyou Along Clear Creek trail below Ten Mile Creek 457 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-BC363421  Senecio aronicoides Wm. Bridge Cooke 1938-6-17 11013 Siskiyou Mount Shasta. Sisson Southern Trail Comment
  RSA0125045  Senecio exaltatus Geo. D. Butler 1910-6-19 1581 Siskiyou Goosenest Foothills. 1524 Comment
  CAS-BOT-BC363943  Senecio integerrimus var. exaltatus Roxana S. Ferris; Laura Lorraine 1948-6-12 11808 Siskiyou At Mule Creek Crossing of Scott Mountain Road 1524 Comment
  CAS-BOT-BC363939  Senecio integerrimus var. exaltatus Geo. D. Butler 1909-4-9 629 Siskiyou Humbug road Comment
  HSC67944  Senecio integerrimus var. major J. P. Smith 1973-5-5 6439 Siskiyou Along Cook and Green Pass Rd. Comment
  UC53947  Senecio integerrimus var. major Harley P. Chandler Jun 1901 1606 Siskiyou near Marble Mountain; North Coast Ranges 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
  HSC67710  Senecio triangularis John Palmer 1980-7-24 610 Siskiyou Klamath National Forest, Elk Hole 1503 Comment
  HSC69386  Senecio triangularis Maralyn A. Renner 1980-8-31 2667 Siskiyou Poker Flat at trailhead to Twin Valley 1524 Comment
  HSC91240  Senecio triangularis Jennifer Whipple 1978-10-6 2402 Siskiyou Primarily N facing slopes in the Eddy Creek drainage. 2317 Comment
  OBI55462  Senecio triangularis David J. Keil, Kathleen Keil 1992-7-21 23542 Siskiyou Klamath NF SE of Callahan. Forest Rd 40N08, 1.7 mi W of Scott Mtn rd (hwy 3) Comment
  UC832134  Senecio triangularis A. A. Heller 1915-8-26 12226 Siskiyou meadow near the head Wagon Creek Canyon (Mt. Eddy); Mt. Eddy 2590 Comment
  UC60959  Sericocarpus oregonensis subsp. oregonensis Geo. B. Grant 1902-9-1 5084 Siskiyou Sisson Mount Shasta 914 Comment
  JEPS24017  Sericocarpus oregonensis subsp. oregonensis Rimo Bacigalupi with Drs. Reino and Aloha Alava 1958-9-3 6878 Siskiyou 2 mi w Seiad Valley; Klamath River, Portuguese Creek 396 Comment
  SEINET11982181  Sidalcea malviflora M. Ownbey, Meyer, F. G. 1940-1 2227 Siskiyou summit of Siskiyou Mountains, 21 mi N of Happy Camp Comment
  CAS-BOT-BC205786  Sidalcea oregana Geo. D. Butler 1910-5-26 1408 Siskiyou Yreka Comment
  JEPS82481  Sidalcea oregana subsp. oregana Gilbert Muth 1965-8-12 212 Siskiyou Black Mt. Marble Mt. Wilderness Area, Black Mt. 1798 Comment
  RSA120756  Sidalcea oregana subsp. spicata S. S. Tillett 1956-7-9 674 Siskiyou In meadow on N. side of Scott Mtn. divide, headwaters of Mule Creek, Siskiyou-Trinity cos. line, ca 8 miles SE of Calahan 1616 Comment
  UCD116836  Sidalcea oregana subsp. spicata J. Dimling 1989-8-22 154 Siskiyou Deadfall Meadows, Shasta/Trinity National Forest. 1950 Comment
  LA212243  Sidalcea ranunculacea Geo. E. Julian; Bill Baker 1962-7-20 s.n. Siskiyou Mount Shasta. 1523 Comment
  UC1096831  Silene campanulata subsp. glandulosa Milo S. Baker 1957-6-16 13151 Siskiyou Trip to Scott Mts. from Turn off near Callahan; North Coast Ranges, trip to Scott Mts. Comment
  POM100902  Silene campanulata subsp. greenei Geo. D. Butler 1909-7-15 962 Siskiyou Russian Creek. 1829 Comment
  CAS-BOT-BC388963  Silene grayi Doris K. Kildale 1928-8-20 6596 Siskiyou Lily Pad Lake, near Hancock Lookout on trail to Marble Mt. Comment
  CHSC98892  Silene grayi L. P. Janeway; B. Castro 2007-7-29 9142 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
  HSC58861  Silene grayi Marvin Butler 1971-7-11 92 Siskiyou Near Youngs Valley, close to the town of Cave Junction 1403 Comment
  CAS-BOT-BC388943  Silene grayi Mary Ann Showers 1980-8-7 1983 Siskiyou Summit ridge of Marble Mt., 1/4 mi w of summit 2042 Comment
  RSA438858  Silene grayi M. B. Dunkle 1945-1 9313 Siskiyou Klamath National Forest, Marble Mountains. 2439 Comment
  CAS-BOT-BC181251  Silene hookeri subsp. hookeri Clarence R. Quick 1959-6-19 59 -08 Siskiyou 3 miles south of Four Corners on ridge south-east of Seiad Valley Comment
  HSC61455  Silene laciniata subsp. californica Ruby Van Deventer 1938-6-11 Siskiyou Kelley Lake and Kelley Lake Trail Comment
  UC1483449  Silene lemmonii J. Sawyer and J. Cole 1980-7-22 3940 Siskiyou nw slopes of Cedar Mtn. Klamath National Forest, Bray Quad., Cedar Mtn. 1524 Comment
  CAS-BOT-BC389530  Silene menziesii John Thomas Howell 1937-7-21 13184 Siskiyou South Fork of Salmon River near Big Flat 1524 Comment
  CHSC91388  Sisyrinchium bellum Lowell Ahart; John Dittes 2005-6-10 12102 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
  SEINET10611677 Image available Sisyrinchium bellum H. E. Brown 1897-6-11 Brown 351 Siskiyou Collected North Side Mt. Shasta, Siskiyou County. 1524 Comment
  UC429226  Sisyrinchium bellum Annie M. Alexander and L. Kellogg 1911-7-16 250 Siskiyou South Fork of Salmon River Comment
  JEPS25624  Smilacina racemosa Rimo Bacigalupi with Mr. and Mrs. Van Deventer 1959-7-9 7258 Siskiyou Poker Flat 1536 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
  POM109214  Smilax jamesii Geo D. Butler 1910-6-6 1466 Siskiyou Quartz Valley Comment
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Mar 29 2015
  RSA237942  Smilax jamesii Frederick W. Oettinger 1968-9-8 780 Siskiyou Outlet of English Peak. Salmon Mountains. High Lake Basin in the vicinity of English Peak. Marble Mountain Wilderness Area. 1829 Comment
  JEPS117251  Solanum dulcamara Lowell Ahart, John Dittes 2010-7-30 16939 Siskiyou Along the south edge of the Shasta River, about 100 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
  NY821112  Solanum parishii L. Constance 1951-6-16 3396 Siskiyou North slope of Little Grayback, Takilma-Happy Camp road 1463 Comment
  POM89973  Solanum physalifolium var. nitidibaccatum L. R. Abrams 1922-8-7 9918 Siskiyou 1 mi S of Weed. Comment
  JEPS12113  Solanum triflorum W. L. Jepson 1940-6-23 19990 Siskiyou e of Mayten (e side of Little Shasta Valley); Little Shasta Valley 883 Comment
  POM52743  Solidago canadensis subsp. elongata Geo D. Butler 1858 Siskiyou Oro Fino Comment
  CAS-BOT-BC365569  Solidago elongata H. A. Thomas; J. H. Thomas 1954-7-25 4534 Siskiyou Salmon - Trinity Mts. Vicinity of Rush Lake and Rush Creek Meadow. About 9 miles E of Cecilville 1981 Comment
  CAS-BOT-BC365579  Solidago elongata Copeland 1903-8-12 3823 Siskiyou Sisson Comment
  HSC29093  Solidago multiradiata Frederick W. Oettinger 1968-9-5 706 Siskiyou High Lake Basins near English Peak; Marble Mountain Wilderness Area: English Lake Basin 1898 Comment
  SEINET5709652 Image available Solidago multiradiata Lowell E. Urbatsch, Vesna Karaman, Castro 2000-1 7697 Siskiyou Scott Mts. Collected along Road 17, 8.8 mi SW from the intersection of I-5 and Stewart Spring Rd.; Scott Mountains 1586 Comment
  OBI55412  Solidago spectabilis David J. Keil, Kathleen Keil 1992-7-21 23531 Siskiyou Klamath NF SE of Callahan. Forest Rd 40N08, 1.7 mi W of Scott Mtn rd (hwy 3) Comment
  OBI55485  Solidago velutina subsp. californica David J. Keil, Kathleen Keil 1992-7-21 23522 Siskiyou Klamath NF SE of Callahan. Forest Rd 40N08, 0.8 mi NW of Scott Mtn summit Comment
  RSA105360  Sorbus californica G. D. Barbe 1955-7-9 155 Siskiyou S side of Kangaroo Lake. Scott Mtns. 1829 Comment
  SBBG25888  Sorbus scopulina D. Myrick 1966-8-12 1528 Siskiyou Carter Ranch, Mtn Meadow Ranch, Big Flat 1676 Comment
  RSA237454  Sorbus scopulina var. cascadensis Frederick W. Oettinger 1969-9-2 1607 Siskiyou N end of English Peak. Salmon Mtns. High Lake Basins in the vicinity of English Peak. Marble Mtn Wilderness Area. 1860 Comment
  UC44991  Sorbus scopulina var. cascadensis Geo. D. Butler 1930-7-20 281 Siskiyou Wooly Creek 1676 Comment
  CAS-BOT-BC520389  Sparganium angustifolium Dana York 2011-9-9 3098 Siskiyou Klamath National Forest, a few meters inside Marble Mountain Wilderness at Isinglass Lake 1985 Comment
  CAS-BOT-BC390717  Spergularia rubra A. A. Heller 1915-7-18 12126 Siskiyou Metcalf's ranch, northeast base of Mt. Eddy 1188 Comment
  UCD99281  Spergularia rubra A. A. Heller 1915-7-18 12126 Siskiyou Metcalf's Ranch, northeast base of Mt. Eddy. 1188 Comment
  UCR95629  Spiraea densiflora L. C. Wheeler 1963-9-3 8336 Siskiyou Siskiyou Mtns. Cyclone Gap chrome mine Comment
  CAS-BOT-BC149679  Spiraea douglasii A. A. Heller 1920-8-11 13503 Siskiyou Metcalf's ranch, northeast base of Mt. Eddy 1158 Comment
  LA208261  Spiraea douglasii Louis C. Wheeler; 1934-8-16 3176 Siskiyou Siskiyou Mountains, 2.0 mi. SE White Mt 1737 Comment
  UC618746  Spiraea douglasii unknown 1938-7-29 11400 Siskiyou above Bear Spring; Mount Shasta Comment
  CAS-BOT-BC152560  Spiraea splendens Alice Eastwood 1912-8-30 2039 Siskiyou Mount Eddy Comment
  HSC71  Spiraea splendens var. splendens William J. Ferlatte 1967-7-25 731 Siskiyou Caribou Basin 1982 Comment
  UC164419  Spiranthes romanzoffiana Geo. D. Butler 1908-8-3 28 Siskiyou Log Lake Shackleford Creek Comment
  HSC85692  Spiranthes romanzoffiana J. P. Smith 1980-8-24 10341 Siskiyou Scott Mtn. Campground, head of Mule Creek 1646 Comment
  JEPS63083  Stachys ajugoides var. rigida W. L. Jepson 1894-7 21232 Siskiyou Sisson Comment
  UCLA70897  Stachys ajugoides var. rigida W. Bridge Cooke 1940-6-20 15169 Siskiyou below Hornbrook (near the Pacific Highway); Klamath River Comment
  RSA184651  Stachys emersonii Clare B. Hardham 1965-8-20 13030 Siskiyou Marble Mts., Granite Trail near Cudahy Lakes. 1220 Comment
  RSA768922  Stachys palustris subsp. pilosa L. Ahart, John Dittes 2010-7-30 16948 Siskiyou Edge of the Shasta River, about 50-100 yards from the East Louie Road Bridge, Shasta Big Springs Ranch, 1.6 air miles southwest of Big Springs Lake, 4.6 air miles northwest of Dwinnel Dam, 5.7 air miles southeast of Grenada. 717 Comment
  RSA211085  Stachys rigida subsp. rigida W. J. Ferlatte 1966-8-3 288 Siskiyou Trinity Alps. Josephine Lake basin. 1677 Comment
  UC642528  Stellaria calycantha unknown 1939-7-7 13624 Siskiyou Wagon Camp; Mount Shasta Comment
  CAS-BOT-BC391219  Stellaria longipes subsp. longipes Alice Eastwood 1921-7-28 10876 Siskiyou Medicine Lake Comment
  CAS-BOT-BC391218  Stellaria longipes subsp. longipes L. E. Smith 1913-6-25 392 Siskiyou Sisson Comment
  RSA69524  Stenanthium occidentale J. T. Howell 1939-8-5 15070 Siskiyou Spirit Lake, Marble Mtns 1829 Comment
  UCD139815  Stenanthium occidentale J. M. Tucker; L. K. Mann, Sandra L. Holloway 1963-8-18 3747 Siskiyou Upper Canyon Creek, ca. 0.5 mile northeast of the Marble Valley Guard Station, Marble Mountain Wilderness Area. 1920 Comment
  CAS-BOT-BC375646  Stephanomeria lactucina Copeland 1903-8-15 3838 Siskiyou Sisson Comment
  JEPS24625  Stephanomeria paniculata Rimo Bacigalupi with Drs. Reino and Aloha Alava 1958-9-1 6778 Siskiyou 2.3 mi above Mt. Shasta town (Sisson) (along Everitt Memorial Highway to Panther Meadow, at sw base of Mt. Shasta); Mt. Shasta 1219 Comment
  JEPS87637  Stephanomeria paniculata Vernon H. Oswald and Lowell Ahart 1994-8-10 6453 Siskiyou ca. 4.5 mi. (air) n.e. McCloud (Pilgrim Creek Rd. (FS 13) at Mud Creek, 2.7 mi. n. of Hwy. 89) 1097 Comment
  POM315997  Stephanomeria paniculata Patricia Wilder 1965-9-29 4198 Siskiyou Lava Beds National Monument on path up to top of Schonchin Butte. Tule Lake drainage area. 1524 Comment
  HSC6228  Stephanomeria tenuifolia R. C. Wunner 1965-8-27 485 Siskiyou California Lava Beds National Monument; Devil's Homestead where the road passes through lava flow 1280 Comment
  HSC6232  Stephanomeria virgata R. C. Wunner 1965-9-8 509 Siskiyou California Lava Beds National Monument; 0.1 mi. on Rd. to Caldwell Ice Cave 1372 Comment
  HSC36418  Stipa occidentalis var. occidentalis J. O. Sawyer 1969-7-9 1267 Siskiyou Summit above S Sugar Lake. 2378 Comment
  CAS-BOT-BC61130  Streptanthus barbatus M. S. Baker s.n. Siskiyou Sacramento River near Sisson. Comment
  CHSC4560  Streptanthus tortuosus J. E. Bowlin 1967-7-18 67 Siskiyou On roadside, ca. 1.5 mi w of Mount Shasta Ski Bowl. 2286 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
  HSC86541  Streptanthus tortuosus D. K. Imper Jun 1987 Siskiyou 8 mi. E of town of Mt. Shasta, S side of Red Butte 1982 Comment
  UC1601617  Streptanthus tortuosus Lewis S. Rose 1937-7-3 37386 Siskiyou n Mt. Shasta City; Black Butte 1005 Comment
  HSC62006  Streptopus amplexifolius Ruby Van Deventer 1959-7-10 Siskiyou Poker Flat 1585 Comment
  UC1312955  Streptopus amplexifolius var. americanus J. M. Tucker 1963-8-19 3771 Siskiyou headwaters of Canyon Creek; Marble Mountain Wilderness Area 1950 Comment
  JEPS83580  Suaeda calceoliformis Dean W. Taylor 1987-8-9 9290 Siskiyou 8.3 mi w Highway 139 (along Highway 161 (Oregon border)); Lower Klamath National Wildlife Refuge 1249 Comment
  HSC91300  Swertia albicaulis var. nitida Jennifer Whipple 1976-7-14 1479 Siskiyou SE slope of Mount Eddy draining into the N Fork of the Sacramento River 2195 Comment
  CAS-BOT-BC245850  Symphoricarpos Doris K. Kildale 1928-7-2 5384 Siskiyou Salmon Summit via Horn Creek Trail 1981 Comment
  HSC18891  Symphoricarpos mollis J. O. Sawyer 1968-6-18 206 Siskiyou Above S Russian Creek, below the Blake's Fork confluence. 1463 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
  UC102265  Symphoricarpos mollis Brandegee Jul 1887 Siskiyou Upper Soda Spring Comment
  HSC91430  Symphoricarpos rotundifolius var. rotundifolius Jennifer Whipple 1976-7-13 1458 Siskiyou E and S facing slopes draining into the N Fork of the Sacramento River. 2256 Comment
  UC585185  Symphoricarpos rotundifolius var. rotundifolius E. B. Babcock, G. L. Stebbins Jr. 1936-6-11 1921 Siskiyou about 7 mi sw Yreka (s of highway from Fort Jones to Yreka); Forest House Mt. 1371 Comment
  CAS-BOT-BC97582  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
  UC165286  Symphyotrichum foliaceum Geo. D. Butler 1910-8-13 1830 Siskiyou Quartz Valley Comment
  CAS-BOT-BC98445  Symphyotrichum spathulatum Alice Eastwood 1921-7-25 10844 Siskiyou Bigelows, McCloud River Comment
  JEPS86149  Synthyris reniformis Wayne Roderick 1965-1 Siskiyou Cook & Green Pass area Cook & Green Pass 1524 Comment
  HSC77561  Taraxacum officinale L. P. Janeway 1983-7-10 407 Siskiyou Poker Flat 1524 Comment
  CAS-BOT-BC81349  Taxus brevifolia John Thomas Howell 1937-7-26 13563 Siskiyou Between Big Flat and Caribou Gulch Comment
  CAS-BOT-BC81351  Taxus brevifolia Louis C. Wheeler 1934-8-14 3138 Siskiyou Klamath National Forest, W. end White Mt. 1828 Comment
  CAS-BOT-BC85232  Taxus brevifolia John Thomas Howell; Gordon H. True 1972-6-8 48862 Siskiyou South of summit on road from Takilma to Happy Camp Comment
  SEINET11739097  Taxus brevifolia R. Gankin, Hildreth, W. R. 1967-1 1186 Siskiyou near trail to Marble Mountain Wilderness Area (Yellow Jacket Ridge) N of Sawyers Bar 1402 Comment
  HSC90989  Thelypodium brachycarpum Jennifer Whipple 1976-7-1 1240 Siskiyou Slope on E shore of Durney Lake 2073 Comment
  CDA25195  Thelypodium brachycarpum R. Pederson, G. Pederson 1979-9-18 Siskiyou White Lake Management Unit, Lower Klamath National Wildlife Refuge. 0 Comment
  SJSU6502  Thermopsis macrophylla R. W. Trivelpiece 1972-6-18 126 Siskiyou 3 mi W of Klamath R, c. 12 mi SW of Happy Camp 944 Comment
  CHSC114172  Thinopyrum intermedium subsp. barbulatum R. E. Brainerd 2010-8-5 1732 Siskiyou Yreka, along Highway 2 near the northern edge of town. UTM Zone 10 530668E 4621733N. 774 Comment
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Apr 1 2016
  CHSC86664  Thlaspi arvense Jenny Marr 1993-7-1 47 Siskiyou Butte Valley Wildlife Area, +/- 7 air miles NW of the town of MacDoel. Meadow NW of Meiss Lake. 1349 Comment
  SEINET12007102  Thlaspi montanum H. P. Chandler 1901-1 1689 Siskiyou Marble Mountain, North Coast Ranges 2438 Comment
  UC986573  Thysanocarpus curvipes Dorothy Parker 1951-5-10 511 Siskiyou near Kidder Creek (Scott Valley); , near Kidder Creek 914 Comment
  POM95126  Thysanocarpus curvipes var. curvipes Geo. D. Butler 1910-3-27 1147 Siskiyou Near Yreka. Comment
  RSA757026  Tofieldia glutinosa subsp. occidentalis Barbara Ertter 1990-7-14 9346 Siskiyou Wagon Creek on east side of Mt. Eddy, ca. 4 air miles west of Mt. Shasta City 1829 Comment
  UC142669  Tofieldia occidentalis subsp. occidentalis Dr. E. B. Copeland 1903-9-7 3877 Siskiyou Mt. Eddy 1828 Comment
  JEPS31007  Tonella tenella D. E. Breedlove 1962-6-10 3283 Siskiyou 22.0 mi nw Happy Camp (on sw slope of Little Grayback Mountain, along Indian Creek Road from O'Brien to Happy Camp); Siskiyou Mountains, Little Grayback Mountain 1524 Comment
  POM43377  Tonella tenella Geo. D. Butler 1909-4-18 626 Siskiyou Near Yreka. Comment
  SEINET13750575  Tonella tenella G. D. Butler 1910-4-17 1193 Siskiyou Near Yreka. Comment
  CAS-BOT-BC377095  Tragopogon dubius Roxana S. Ferris; Laura Lorraine 1948-6-12 11723 Siskiyou French Creek Logging Road west of Callahan 1219 Comment
  HSC46950  Tragopogon dubius William J. Ferlatte 1974-7-16 1550 Siskiyou Big Flat near South Fork of the Salmon River, 100 yds. W of campground 1524 Comment
  HSC69226  Triantha glutinosa Maralyn A. Renner 1980-8-31 2618 Siskiyou Twin Valley. 1494 Comment
  CHSC2314  Triantha occidentalis subsp. occidentalis V. Holt 1943-8-14 Siskiyou Marble Mountains. 1828 Comment
  HSC18876  Triantha occidentalis subsp. occidentalis J. O. Sawyer 1968-7-9 438 Siskiyou W of Little Duck Lake. 1936 Comment
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Jul 15 2010
  CAS-BOT-BC519567  Triantha occidentalis subsp. occidentalis Annetta Carter 1939-8-21 1481 Siskiyou Salmon Mt.: SE of Taylor Lake, 12 miles southwest of Etna, Salmon Mountains 2026 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
  POM229944  Trifolium dubium Louis C. Wheeler 1935-6-27 3617 Siskiyou Greenview, Scott Valley. 884 Comment
  RSA47668  Trifolium eriocephalum subsp. eriocephalum Roxana S. Ferris, Laura Lorraine, Daniel F. Ferris 1948-6-12 11817 Siskiyou E Fork of Scott River drainage, Parker Ranch, Plowmans Valley. 1204 Comment
  UCD107929  Trifolium eriocephalum subsp. eriocephalum Robert E. Preston 1995-6-18 873 Siskiyou Ca. 3 miles ESE of Hornbrook. Adjacent to Ager Road. 701 Comment
  UC1191487  Trifolium eriocephalum var. eriocephalum Herbert L. Mason 1948-7-17 13601 Siskiyou Eastern Grass Lake Comment
  HSC69400  Trifolium howellii Maralyn A. Renner 1980-8-8 2440 Siskiyou Rattlesnake Meadow 1646 Comment
  UCD109135  Trifolium howellii J. M. Tucker; D. V. Hemphill 1974-7-27 4299 Siskiyou Near Haypress Creek, Haypress Meadows, Marble Mountain Wilderness Area. 1463 Comment
  UCD111230  Trifolium hybridum L. Whitney 1934-6-10 s.n. Siskiyou location unknown. Comment
  HSC18995  Trifolium longipes J. O. Sawyer 1969-7-18 1416 Siskiyou Head of S Russian Creek 1829 Comment
  HSC76634  Trifolium longipes K. T. Stillman 1976-6-25 34 Siskiyou Marble Mtn. Wilderness Area, Marble Valley 1829 Comment
  UCD111257  Trifolium longipes AHM 1953-7-29 KNF 15 Siskiyou Trinity county line. Steavale Canyon. 1524 Comment
  RSA237889  Trifolium longipes subsp. elmeri Frederick W. Oettinger 1968-8-17 553 Siskiyou The High Lake Basins in the vicinity of English Peak Marble Mountain Wilderness Area,Wet meadow north to northeast of Pine Lake. 1951 Comment
  UC85327  Trifolium longipes var. elmeri Harley P. Chandler June 1901 1580 Siskiyou near Marble Mtn; North Coast Ranges 1828 Comment
  UC866843  Trifolium longipes var. elmeri A. A. Heller 1916-7-22 12483 Siskiyou east side of Mt. Eddy 1676 Comment
  JEPS101830  Trifolium pratense Dean W. Taylor 1997-6-11 16050 Siskiyou Scott Valley, meadow along Clark Creek; ca. 2 miles west from Highway 3 and 2 mi S of Etna 975 Comment
  SBBG15604  Trifolium pratense D. Myrick 1961-6-20 276 Siskiyou near Mt Shasta City 1066 Comment
  UCD109300  Trifolium productum A. H. Murphy 1958-8-7 58 N Siskiyou Deep Lake, Marble Mts. 1889 Comment
  UC631206  Trifolium repens A. A. Heller 1916-6-20 12414 Siskiyou ne base Mt. Eddy (Metcalf's Ranch) 1188 Comment
  JEPS4411  Trifolium variegatum Geo. D. Butler 1908-6-28 378 Siskiyou near Yreka (Butler's Ranch); Quartz Valley Comment
  UC375416  Trifolium variegatum Geo. D. Butler 1908-6-28 378 Siskiyou upper end Quartz valley Comment
  UC867040  Trifolium wormskioldii A. A. Heller 1916-7-20 12459 Siskiyou Metcalf's ranch ne base of Mt. Eddy 1188 Comment
  POM109158  Trillium albidum Geo D. Butler 1909-4-14 669 Siskiyou Humbug Creek Comment
  CAS-BOT-BC519098  Trillium chloropetalum var. chloropetalum Gilbert Muth 1966-7-8 376 Siskiyou Marble Valley, Marble Mountains 1792 Comment
  CAS-BOT-BC133466  Trillium ovatum A. M. Vollmer; L. Beane 1951-6-2 62 Siskiyou Road between Streamline Lodge and Deer Camp, north of Klamath River Highway Comment
  JEPS86788  Trillium ovatum subsp. oettingeri Roy E. Buck and Robert A. Price 1988-8-9 1064 Siskiyou 30 air km. e. McCloud (ca. 1.4 air km. n.-n.e. of Cub Spring, e. of dirt rd. (old R.R. grade), w. of Atkins Meadows) 1350 Comment
  UC1299348  Trillium ovatum subsp. oettingeri Freed W. Hoffman 1950-7-13 3638 Siskiyou S. Fork Indian Creek Rd. to Baldy Mt. (1.1 mi. before reaching Lookout) Comment
  UC1265465  Trisetum canescens Frederick W. Oettinger 1969-9-5 1682 Siskiyou near Abbott Lake (Salamander Pond, vicinity of English Peak, w Siskiyou County); Salmon Mountains, Marble Mountain Wilderness Area 1676 Comment
  HSC76726  Trisetum spicatum K. T. Stillman 1976-8-8 398 Siskiyou Marble Mountain Wilderness Area, trail from jump off to Paradise Lake Comment
  UC60943  Trisetum spicatum Geo. B. Grant 1902-9-1 5092 Siskiyou Horse Camp Mount Shasta 2438 Comment
  CAS-BOT-BC133487  Triteleia crocea R. C. Barneby 1954-5-16 11509 Siskiyou Klamath R. canyon, 10 1/2 mi. below Klamath River P.O. 1550 Comment
  UC1094393  Triteleia crocea var. modesta Rimo C. Bacigalupi with Galen Smith 1957-6-26 5945 Siskiyou ca. 6 mi. due s. Mt. Eddy (s. end Gumboot Lake, head of S. Fork Sacramento R.); S. Fork Sacramento R., Gumboot Lake 1859 Comment
  HSC29677  Tsuga mertensiana Frederick W. Oettinger 1968-9-2 669 Siskiyou Marble Mtn. Wilderness Area, E of inlet To Upper English Lake, Bulk Collection 53 1829 Comment
  CAS-BOT-BC80250  Tsuga mertensiana subsp. grandicona W. R. Dudley 1901-8-18 s.n. Siskiyou Jackson Lake Comment
  CAS-BOT-BC74099  Turritis glabra Wm. Bridge Cooke 1938-7-15 11200 Siskiyou Mount Shasta. Bear Springs. Between the Bear Springs creeks. 1524 Comment
  CAS-BOT-BC91278  Umbellularia californica Doris K. Kildale 1928-4-2 4408 Siskiyou Klamath River at Somes Bar. Comment
  RSA37425  Umbellularia californica Marion Ownbey, Fred G. Meyer 1940-7-8 2224 Siskiyou Dry hillside along Indian Creek. 12 miles above Happy Camp. Comment
  CHSC105281  Urtica dioica subsp. gracilis Lowell Ahart; John Dittes 2010-7-30 16961 Siskiyou On the south bank of the Shasta River, about 1 yard east of the East Louie Road Bridge, Shasta Big Springs Ranch, 1.6 miles (air) southwest of Big Springs Lake, 4.6 miles (air) northwest of Dwinnel Dam, 5.7 miles (air) southeast of Grenada. 716 Comment
  JEPS117566  Urtica dioica subsp. gracilis Lowell Ahart, John Dittes 2010-7-30 16961 Siskiyou On the south bank of the Shasta River, about 1 yard east of the East Louie Road Bridge, Shasta Big Springs Ranch, 1.6 miles (air) southwest of Big Springs Lake, 4.6 miles (air) northwest of Dwinnel Dam, 5.7 miles (air) southeast of Grenada 716 Comment
  CAS-BOT-BC199189  Vaccinium cespitosum John Thomas Howell 1939-8-10 15267 Siskiyou Sky High Valley, Marble Mts. 1828 Comment
  CAS-BOT-BC228832  Vaccinium cespitosum Peter W. Fritsch; James R. Shevock; Lu Lu 2012-6-20 1931 Siskiyou Russian Wilderness, Klamath National Forest. Along Sugar Creek Trail to Sugar Lake from trailhead off forest road 41N14 1805 Comment
  HSC19105  Vaccinium cespitosum J. O. Sawyer 1969-8-1 1614 Siskiyou Horseshoe Lake 2073 Comment
  HSC19520  Vaccinium cespitosum J. O. Sawyer 1969-7-18 1161 Siskiyou E of Waterdog Lake 2012 Comment
  JEPS128461  Vaccinium cespitosum Julie Kierstead Nelson with Martin Lenz 2015-6-18 2015 -062 Siskiyou Headwaters of West Fork Parks Creek, 2 miles NNE of China Mountain; 7 miles W of town of Weed. Comment
  RSA659524  Vaccinium cespitosum Gary D. Wallace 1990-7-1 2951 b Siskiyou Mount Shasta: Panther Meadow, campground on AAA map. 2255 Comment
  RSA659526  Vaccinium cespitosum Gary D. Wallace 1990-7-1 2953 Siskiyou Trinity Mountains: SW of Shasta City, Cedar Basin Research Area. 1828 Comment
  HSC18959  Vaccinium membranaceum G. L. Clifton, Griswold 1979-6-28 6126 Siskiyou Near Upper Devils Peak, close to the town of Seiad Valley 1738 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
  HSC22413  Vaccinium membranaceum J. O. Sawyer 1969-8-1 1606 Siskiyou Horseshoe Lake 1921 Comment
  HSC29347  Vaccinium membranaceum Frederick W. Oettinger 1968-9-7 763 Siskiyou Marble Mountain Wilderness Area, E side of Tobacco Lake 1890 Comment
  RSA238865  Vaccinium membranaceum Frederick W. Oettinger 1968-9-5 721 Siskiyou Near inlet stream to Hancock Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1936 Comment
  SEINET204348 Image available Vaccinium membranaceum Rimo Bacigalupi, L. Constance; L. Heckard 1960-7-20 7465 Siskiyou At edge of Twin Valley meadows, near stream; Siskiyou Mountains (about 12 air miles northwest of Happy Camp). 1585 Comment
  SEINET11971724  Vaccinium membranaceum H. P. Chandler 1901-1 1577 Siskiyou near Marble Mountain 2134 Comment
  HSC7905  Vaccinium ovatum Wm. F. Bowman 1968-10-12 Siskiyou Sugar Creek Rd. 1524 Comment
  RSA238869  Vaccinium scoparium Frederick W. Oettinger, J. L. Morrison 1967-8-17 279 Siskiyou 0.1 mile SSW of Diamond Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2073 Comment
  HSC29343  Vaccinium uliginosum Frederick W. Oettinger 1969-9-5 1676 Siskiyou Marble Mountain Wilderness, SE side of Wiregrass meadow below English Lake 1677 Comment
  UC28816  Valeriana californica Milo S. Baker 1893-8-9 Siskiyou Medicine Lake Comment
  CHSC95123  Valeriana sitchensis subsp. sitchensis L. P. Janeway 2006-7-2 8750 Siskiyou Klamath Ranges. Salmon Mountains; un-named creek at the sharp bend in the Music Creek Trailhead Road, 0.6 km south of Music Creek. North-facing slope above the creek. 1762 Comment
  HSC73349  Vancouveria planipetala Gail Newton 1980-6-20 439 Siskiyou Near Bald Mtn. 1097 Comment
  HSC100331  Ventenata dubia J. P. Smith 2011-7-15 13299 Siskiyou Off Tennant Road at a large, open borrow pit 1417