Search Results — 2000 specimen records retrieved (1380 records with coordinates)
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 Please cite data retrieved from this page: Data provided by the participants of the Consortium of California Herbaria (ucjeps.berkeley.edu/consortium/).
 Records are made available under the CCH Data Use Terms.

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? Specimen ID Determination * Collector Collection Date Collection Number County Locality Elevation in meters Feedback
  HSC34996  Abies X shastensis Steve Adams 1975-11-8 Siskiyou N slope of of Rock Creek Butte on GO Rd., Bulk Collection #96 1524 Comment
  CAS-BOT-BC77936  Abies amabilis Eugene L. Parker 1961-10-3 s.n. Siskiyou Below summit of Copper Butte on northern edge of Colony, Klamath National Forest 1920 Comment
  CAS-BOT-BC73510  Abies concolor Doris K. Kildale 1928-8-18 6456 Siskiyou Finley's Upper Camp - north fork Salmon River. 1371 Comment
  HSC68390  Abies concolor Maralyn A. Renner 1980-6-26 1250 Siskiyou SE edge of Flint Valley. 1390 Comment
  RSA6533  Abies concolor Elmer I. Applegate 1895-5-30 s.n. Siskiyou East lake of Mt. Shasta, near Sissen. Comment
  UC618775  Acer glabrum var. glabrum W. Bridge Cooke 1938-6-17 11003 Siskiyou Sisson Southern Trail , Mount Shasta (a grove surrounds the spring near the trail) Comment
  HSC61841  Acer glabrum var. torreyi Al Hobart 1969-7-7 Siskiyou Poker Flat 1646 Comment
  CAS-BOT-BC332787  Acer macrophyllum Alice Eastwood 1912-7-23 1343 Siskiyou Cantara Comment
  CAS-BOT-BC332792  Acer macrophyllum Doris K. Kildale 1929-4-27 7843 Siskiyou Cecilville, south fork Salmon River Comment
  CAS-BOT-BC18864  Achillea millefolium David D. Keck 1940-6-13 5177 Siskiyou 9 mi. S of Macdoel, on U.S. 97 between Dorris and Weed 1463 Comment
  HSC67706  Achillea millefolium John Palmer 1980-7-24 606 Siskiyou Klamath National Forest, Elk Hole 1503 Comment
  CAS-BOT-BC30432  Achillea millefolium Gilbert J. Muth 1965-7-29 s.n. Siskiyou On top of Marble Mountain Lookout Comment
  HSC69569  Achlys triphylla Maralyn A. Renner 1980-8-6 2268 Siskiyou FS Rd. 40S07 crossing of Louse Creek 1127 Comment
  JEPS82714  Achlys triphylla subsp. triphylla Wayne Roderick 1973-7-10 Siskiyou Doe Flat 1143 Comment
  UCD50460  Achnatherum lemmonii A. A. Beetle; with G. L. Stebbins Jr. 1942-5-31 3412 Siskiyou Canyon N of Willow Creek, 5 miles W of Gazelle. Comment
  CHSC61554  Achnatherum nelsonii subsp. dorei L. P. Janeway 1983-8-26 606 Siskiyou Siskiyou Mountains; at Poker Flat. 1524 Comment
  UCD50946  Achnatherum occidentale A. H. Murphy 1956-8-16 56 DD Siskiyou Klamath National Forest, Tangle Blue Lake. 1767 Comment
  RSA129519  Achnatherum occidentale subsp. californicum H. A. Jensen 1933-7-27 334 Siskiyou Grey Butte 2073 Comment
  SEINET232908  Achnatherum occidentale subsp. californicum L. R. Firestone 1983-8-11 8342 Siskiyou About 30 mi east of Mt. Shasta along CA 89 1341 Comment
  UCD55544  Achnatherum occidentale subsp. californicum A. H. Murphy 1953-7-28 KNF 4 Siskiyou Klamath National Forest. Long Gulch Camp. 1889 Comment
  HSC36807  Achyrachaena mollis J. P. Smith 1974-5-27 7630 Siskiyou Along FS Rd. 47N03 1280 Comment
  UCD103954  Acmispon americanus var. americanus W. A. Williams 1957-7-23 57 R Siskiyou Dead Fall Creek, Shasta National Forest, e. of Mt. Eddy. 2011 Comment
  CDA24172  Aconitum columbianum F. D. Horn 1979-7-22 Siskiyou Duck Lake Creek, near Etna. 0 Comment
  HSC22294  Aconitum columbianum subsp. columbianum J. O. Sawyer 1969-8-4 1890 Siskiyou Above S Sugar Lake 2043 Comment
  RSA238291  Aconitum columbianum subsp. viviparum Frederick W. Oettinger 1968-8-7 433 Siskiyou On east side of Hancock Lake. Salmon Mtns. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1936 Comment
  CAS-BOT-BC412907  Aconogonon davisiae K. T. Stillman 1976-6-25 93 Siskiyou Marble Mountain Wilderness Area. Between Marble Gap & Elk Valley trail Comment
  CAS-BOT-BC412911  Aconogonon davisiae Doris K. Kildale 1928-7-2 5369 Siskiyou Salmon Summit, via Horn Creek trail 1981 Comment
  CAS-BOT-BC412914  Aconogonon davisiae John Thomas Howell 1939-8-2 14897 Siskiyou Spirit Lake, Marble Mts. 1828 Comment
  CAS-BOT-BC413840  Aconogonon davisiae Wm. Bridge Cooke 1938-7-21 11289 Siskiyou Mount Shasta. Between Horse Camp and Panther Creek Meadows Comment
  CHSC99992  Aconogonon davisiae L. P. Janeway 2008-7-26 9504 Siskiyou Klamath Ranges. Between Castle Crags, Trinity Mountains, and The Eddys; about 200 m west-southwest of Heart Lake and about 0.8 km south of Castle Lake. 1859 Comment
  HSC30483  Aconogonon davisiae Frederick W. Oettinger 1968-8-4 396 Siskiyou Vicinity of English Peak, Marble Mountain Wilderness Area; Crapo Peak Ridge trail break 2195 Comment
  UCD98563  Aconogonon newberryi R. Tofsrud; J. M. Tucker 1948-8-2 1760 Siskiyou Panther Meadows, Mt. Shasta. 2407 Comment
  HSC61825  Aconogonon phytolaccifolium Ruby Van Deventer 1959-7-9 Siskiyou Poker Flat 1585 Comment
  RSA687743  Adiantum aleuticum M. B. Dunkle 1945-1 9314 Siskiyou Klamath National Forest, Marble Mountains 2439 Comment
  UC1475696  Agastache parvifolia Clifton and Ground 1978-6-19 1310 Siskiyou near Bray (close to town of Macdoel); Bray Quad. 1403 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
  UC1040749  Ageratina occidentalis B. Crampton 1956-8-21 3843 Siskiyou bench just below junction of Middle Fork with South Fork Sacramento River 1112 Comment
  CAS-BOT-BC29444  Ageratina occidentalis Carl B. Wolf 1927-8-26 1081 Siskiyou On the Klamath River, 5 mi below Hamburg Comment
  CAS-BOT-BC29460  Ageratina occidentalis W. R. Dudley 1901-8-22 s.n. Siskiyou Salmon RIdge, Foxtail Ridge Comment
  CDA296  Ageratina occidentalis S. Davis, F. D. Horn 1979-8-24 Siskiyou Hotlum Road above railroad tracks, northeast of Weed. 0 Comment
  RSA184630  Ageratina occidentalis Clare B. Hardham 1965-8-20 1304 -4 Siskiyou Marble Mountains, near Cudahy lakes. Granite Trail. 1524 Comment
  SDSU6844  Ageratina occidentalis D. F. Howe 1964-8-6 3942 Siskiyou 3.5 miles south of Happy Camp on #96, Klamouth National Forest. 152 Comment
  HSC29241  Agoseris aurantiaca Frederick W. Oettinger 1968-8-14 512 Siskiyou Marble Mountain Wilderness area; below Tom Taylor Cabin 2012 Comment
  CAS-BOT-BC21389  Agoseris aurantiaca var. aurantiaca Wm. Bridge Cooke 1939-7-26 13638 Siskiyou Near the lower portion of the Panther Creek meadow area 2286 Comment
  UC933411  Agoseris aurantiaca var. aurantiaca Annie M. Alexander and Louise Kellogg 1948-9-9 5615 Siskiyou at start of 2 mi trail to Taylor Lake, in meadow Cook and White Mine; Siskiyou Mountains Comment
  HSC73343  Agoseris grandiflora Gail Newton 1980-6-20 459 Siskiyou Near Bald Mtn. 1097 Comment
  CAS-BOT-BC15380  Agoseris grandiflora var. grandiflora Louis C. Wheeler 1934-6-11 2683 Siskiyou North Hungry Creek, Siskiyou Mountains 1310 Comment
  UC165035  Agoseris grandiflora var. grandiflora Geo. D. Butler 1908-8-28 304 Siskiyou field near Oro Fino Comment
  CAS-BOT-BC22774  Agoseris heterophylla Lewis S. Rose 1945-6-18 45108 Siskiyou Horse Creek and Klamath River 502 Comment
  UC61075  Agoseris heterophylla W. A. Setchell, C. C. Dobie 1902-7-13 Siskiyou Sisson Mt. Shasta 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
  CAS-BOT-BC13189  Agoseris monticola Wm. Bridge Cooke 1938-9-8 11643 Siskiyou Near the South Gate Springs, Mount Shasta 2499 Comment
  CAS-BOT-BC110739  Agropyron Arthur Menzies 1962-7-21 s.n. Siskiyou Morgan Meadows, base of Mount Eddy. 1706 Comment
  SEINET10842223  Agrostis Edwin B. Copel 1903-8-17 Copeland 3903 Siskiyou Foot of Mt. Eddy. 1219 Comment
  CAS-BOT-BC127486  Agrostis capillaris W. B. Cooke; V. G. Cooke 1963-7-12 34335 Siskiyou Mount Shasta, along Memorial Highway. 1371 Comment
  RSA13870  Agrostis exarata L. C. Wheeler 1934-6-26 2792 Siskiyou Siskiyou Mountains, Cottonwood Creek. 838 Comment
  UCD35447  Agrostis exarata Beecher Crampton 1956-8-22 3869 Siskiyou Lower south slopes of Mt. Shasta, Wagon Camp Road. 1645 Comment
  UCD52094  Agrostis exarata Beecher Crampton 1956-8-21 3804 Siskiyou slope above Gumboot Lake, headwater of the south fork of the Sacramento River. 1920 Comment
  UCD52369  Agrostis exarata A. H. Murphy 1956-8-16 56 CC Siskiyou Klamath National Forest, Tangle Blue Lake. 1767 Comment
  JEPS83987  Agrostis idahoensis L. R. Heckard with S. D'Alcamo, J. Hickman 1986-7-16 6385 Siskiyou ca 7 mi nne Seiad Valley (w of Cook and Green Pass, ca 1.5 mi e of Red Butte summit) 1900 Comment
  CAS-BOT-BC138939  Agrostis pallens Geo. D. Butler 1910-7-12 1748 Siskiyou Shackerford Creek. 1219 Comment
  HSC101547  Agrostis scabra J. P. Smith 2009-8-22 12658 Siskiyou Along the road to Bray. 1422 Comment
  HSC710  Agrostis scabra William J. Ferlatte 1967-8-19 1039 Siskiyou S Fork of Salmon River, between campground and Carter's 1524 Comment
  RSA238351  Agrostis stolonifera Frederick W. Oettinger 1968-9-8 790 Siskiyou Cliffs south of English Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. Comment
  UC618861  Agrostis thurberiana W. Bridge Cooke 1938-9-17 11695 Siskiyou Water Supply Spring, Horse Camp Mount Shasta 2468 Comment
  CAS-BOT-BC138477  Agrostis variabilis John Thomas Howell 1939-8-9 15214 Siskiyou Sky High Valley, Marble Mountains. 1828 Comment
  RSA384934  Agrostis variabilis N. C. Cooper 1949-11-3 9362 Siskiyou Klamath National Forest. Marble Mountains. 1982 Comment
  UCD55716  Aira caryophyllea A. A. Beetle; G. L. Stebbins Jr. 1942-6-1 3615 Siskiyou 11 miles north of Happy Camp, road to Grants Pass, banks of Indian Creek. Comment
  HSC66101  Alisma triviale J. P. Smith, Steve Selva 1970-8-8 4546 Siskiyou Juanita Lake Comment
  UC164477  Allium acuminatum Geo. D. Butler 1909-5-26 788 Siskiyou hill near Yreka Comment
  CAS-BOT-BC462375  Allium amplectens Milo S. Baker; Douglas Barbe; H. K. Wagnon 1957-6-16 13164 Siskiyou Callahan Trinity Center Rd to Scott Mountains Comment
  CAS-BOT-BC462377  Allium amplectens Geo. D. Butler 1910-5-17 1358 Siskiyou Dampland Yreka Comment
  UC375194  Allium bolanderi Geo. D. Butler 1909-3-21 663 Siskiyou dry hills near Oro Fino Comment
  CAS-BOT-BC462990  Allium bolanderi C. L. Hitchcock; J. S. Martin 1939-7-9 5309 Siskiyou 1 mile above Bucher's Ranch, Canyon Creek, ca. 3 miles west of Turner's Camp 1219 Comment
  JEPS104824  Allium bolanderi var. bolanderi Dean W. Taylor 1996-5-29 15641 Siskiyou Marble Mountains; drainage of Kidder Creek; cliffs on deeply incised canyon of Kidder Creek about 2 miles west of Scott Valley; Klamath National Forest 853 Comment
  CAS-BOT-BC469240  Allium falcifolium Roxana S. Ferris; Laura Lorraine 1948-6-12 11716 Siskiyou Schoolhouse Hill, Plowman's Valley [Noyes Valley], East fork of Scott River Comment
  UCR11966  Allium obtusum var. obtusum William B. Cooke 1941-8-28 16249 Siskiyou Mt. Shasta, along Squaw Valley Creek 2800 Comment
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May 7 2014
  CAS-BOT-BC132144  Allium siskiyouense Gilbert Muth 1966-7-14 390 Siskiyou Flat above Marble Valley, Marble Gap Trail, Marble Mts. 1828 Comment
  JEPS82242  Allium siskiyouense Roger Raiche 1983-8-14 30611 Siskiyou near summit of road to Mt. Eddy or Dead Fall Meadow (Park Creek Road of forest road 42N17) 2133 Comment
  UC1299750  Allium siskiyouense Freed W. Hoffman 1948-7-8 2589 Siskiyou 7.5 mi n West Branch Camp; North Coast Ranges, Waldo-Happy Camp Road 1402 Comment
  UCD143200  Allium siskiyouense Sandra L. Holloway 1963-7-14 s.n. Siskiyou ca. 5 miles south and 5 miles west of Weed. 2133 Comment
  POM109982  Allium validum Geo D. Butler 1908-8-3 112 Siskiyou Log Lake, Shackleford Creek Comment
  CAS-BOT-BC453444  Allotropa virgata Harley P. Chandler 1901-6-1 1546 Siskiyou Near Marble Mountain, North Coast Ranges 1828 Comment
  HSC48724  Allotropa virgata J. Pageau, E. Toth 1979-6-5 495 Siskiyou 6.6 mi. N. of the G.O. road on FS 11N24. Line Timber Sale, unit 14, Bulk Collection 173 799 Comment
  CAS-BOT-BC171398  Alnus incana subsp. tenuifolia L. E. Smith 1914-6-24 719 Siskiyou Sisson Comment
  POM212071  Alnus incana subsp. tenuifolia C. B. Wolf 1930-10-22 1752 Siskiyou 1 mile W of Mt Shasta City. 1067 Comment
  UC61056  Alnus incana subsp. tenuifolia W. A. Setchell, C. C. Dobie 1902-7-13 Siskiyou Sisson Mount Shasta Comment
  JEPS46400  Alnus rhombifolia W. L. Jepson 1920-1 Siskiyou Hamburg Klamath River Comment
  CAS-BOT-BC169381  Alnus viridis subsp. sinuata Doris K. Kildale 1929-7-20 8614 Siskiyou SE spur of Preston Peak 1950 Comment
  CAS-BOT-BC169384  Alnus viridis subsp. sinuata Harley P. Chandler 1901-6-1 1618 Siskiyou Ridges and meadows near Marble Mountain 2133 Comment
  JEPS82434  Alnus viridis subsp. sinuata Gilbert Muth 1966-7-29 462 Siskiyou Marble Valley Marble Mt. Wilderness Area (by waterfall) 1828 Comment
  RSA238558  Alnus viridis subsp. sinuata Frederick W. Oettinger 1969-7-14 1012 Siskiyou Salmon Mountains, in the vicinity of English Peak, Marble Mountains Wilderness Area, along the s. shore of Charmaine Lake. 1921 Comment
  POM95264  Alyssum alyssoides Geo. D. Butler 1910-5-7 1304 Siskiyou Yreka. Comment
  JEPS82473  Amelanchier alnifolia var. pumila Gilbert Muth 1966-7-8 369 Siskiyou Marble Valley Meadow; Marble Mt. Wilderness Area 1792 Comment
  CHSC27774  Amelanchier pallida K. Bridwell 1978-4-15 92 Siskiyou PP and L waterfall ca. 300 yds n of Copco Rd, ca. 20 mi ne of Hornbrook. 762 Comment
  HSC29351  Amelanchier pallida Frederick W. Oettinger 1968-8-2 361 Siskiyou Marble Mtn. Wilderness Area, Diamond Lake 2073 Comment
  RSA79000  Amelanchier pallida E. K. Balls, Percy C. Everett 1952-10-13 18188 Siskiyou E shore of Castle Lake. 1585 Comment
  UCD112889  Amelanchier pallida Jack Major; M. Fleschner, R. Pemble 1966-9-5 s.n. Siskiyou SE of Marble Mountain, Marble Mountains. 1828 Comment
  CAS-BOT-BC136882  Amelanchier utahensis Wm. F. Herrin 1920-5-1 s.n. Siskiyou Shasta Springs Comment
  CAS-BOT-BC136897  Amelanchier utahensis L. E. Smith 1913-7-27 s.n. Siskiyou McCloud Comment
  CAS-BOT-BC136900  Amelanchier utahensis John Thomas Howell 1939-8-2 14919 Siskiyou Spirit Lake, Marble Mts. 1828 Comment
  SBBG16035  Amelanchier utahensis D. Myrick 1961-6-20 279 Siskiyou rd to Bear Springs E of Mt Shasta City 1371 Comment
  UC555443  Amelanchier utahensis Dorothy Tebbe 1929-6-5 126 Siskiyou Mt. Eddy Comment
  UCSB15828  Amelanchier utahensis Breedlove, Dennis 1962-6-11 Siskiyou Along State Highway 89, 8.0 miles east of McCloud; Cascade Range 1127 Comment
  UC174986 Image available Amsinckia intermedia E. B. Copeland 1903-7-2 3552 Siskiyou Klamathon; ; Klamathon, Siskiyou Co. Comment
  RSA0089707  Amsinckia intermedia Dorothy Parker 1946-6-6 4 Siskiyou Plowman s Valley. 1159 Comment
  UC165413  Ancistrocarphus filagineus Geo. D. Butler 1910-4-27 1244 Siskiyou (dry trodden places) Oro Fino Comment
  CAS-BOT-BC391756  Anemone Elizabeth McClintock; Wayne Roderick; Martha Roderick 1967-7-28 s.n. Siskiyou Gumboot Lake, Trinity Mts. 1828 Comment
  CAS-BOT-BC391761  Anemone W. R. Dudley 1899-8-26 s.n. Siskiyou Upper Sacramento Comment
  CAS-BOT-BC391800  Anemone deltoidea Doris K. Kildale 1928-7-4 5459 Siskiyou 3 miles west of summit of divide between Sawyers Bar & Etna Comment
  CHSC71598  Anemone drummondii Vernon H. Oswald; Lowell Ahart 1998-8-3 9438 Siskiyou Near the Pacific Crest Trail in the Scott Mtns. west of Kangaroo Lake. 1981 Comment
  CAS-BOT-BC391852  Anemone drummondii Geo. D. Butler 1910-7-8 1683 Siskiyou Marble Mountain 1676 Comment
  SEINET3158790  Anemone drummondii G. D. Butler 1910-7-8 1683 Siskiyou Marble mountain 1676 Comment
  UC1090391  Anemone drummondii Douglas Barbe and H. K. Wagnon 1957-6-16 13135 Siskiyou near summit Scott Mt. 1920 Comment
  CAS-BOT-BC391935  Anemone multifida G. J. Muth 1969-8-10 1315 Siskiyou Ridge w. of Boulder Peak Comment
  HSC45208  Anemone occidentalis J. O. Sawyer, E. Cope 1977-6-20 2967 Siskiyou Behind Devil's Punchbowl 1829 Comment
  CAS-BOT-BC391982  Anemone occidentalis Wm. Bridge Cooke 1938-7-21 11303 Siskiyou Mount Shasta. South of Horse Camp Comment
  SJSU2564  Anemone oregana var. oregana H. L. Buckalew 1962-7-14 Siskiyou Poker Flat c. 3 mi W of junction of Indian Cr with W Branch of Indian Cr, Siskiyou Mts 1143 Comment
  HSC70542  Angelica arguta Ruby Van Deventer 1939-7-19 Siskiyou Kelley Lake and Kelley Lake Trail Comment
  UC630390  Angelica arguta Annetta Carter 1939-8-20 1460 Siskiyou 12 mi sw of Etna (trail from Zarina MIne to Taylor Lake, Salmon Mountains); Salmon Mountains 1767 Comment
  HSC38896  Angelica tomentosa J. P. Smith, Steve Selva 1970-7-15 4369 Siskiyou 2 mi. below the Baldy Mt. Lookout Station. Comment
  HSC91110  Angelica tomentosa Jennifer Whipple 1976-9-3 1785 Siskiyou W facing slope of the ridge between Durney Lake and Little Crater Lake 2195 Comment
  CAS-BOT-BC59279  Antennaria argentea L. E. Smith 1913-4-26 123 Siskiyou Dunsmuir Comment
  HSC42908  Antennaria argentea J. O. Sawyer, Ken Stillman 1976-5-28 2725 Siskiyou Along Rd. W of Sawyers Bar. 610 Comment
  HSC67769  Antennaria argentea John S. Palmer 1980-8-12 747 Siskiyou Road to Bearground Spring from Beaver Creek Rd. 1341 Comment
  UC454329  Antennaria argentea I. J. Condit 1911-7-4 Siskiyou Shasta Retreat Comment
  JEPS22309  Antennaria dimorpha Gene Newcomb and Dr. Herbert Baker 1959-3-29 237 Siskiyou 4.5 mi n, along U.S. Hwy 99 Yreka 914 Comment
  CAS-BOT-BC58715  Antennaria geyeri A. A. Heller 1914-8-25 s.n. Siskiyou Deetz Station near Black Butte 1158 Comment
  JEPS33931  Antennaria rosea Willis L. Jepson 1894-8-4 Siskiyou snow line Mt. Shasta Comment
  UC34179  Antennaria rosea Harley P. Chandler 1901-6-1 1656 Siskiyou Marble Mountain North Coast Ranges, Marble Mountain 2438 Comment
  UC75910  Antennaria rosea Milo S. Baker 1892-8-1 156 Siskiyou Medicine Lake Comment
  SEINET10474093  Antennaria rosea Mary Susan Taylor 1980-7-8 Taylor 3098 Siskiyou T39N R5W south center sec 19, Dunsmuir quad; Shasta-Trinity Natl Forest; S end of Little Castle Lake, in steep granitic cliffs. 1768 Comment
  HSC4638  Antennaria rosea subsp. rosea R. C. Wunner 1965-6-10 135 Siskiyou California Lava Beds National Monument; Caldwell Butte near Summit 1524 Comment
  CAS-BOT-BC102272  Anthemis cotula H. E. Brown 1897-6-15 s.n. Siskiyou North side Mt. Shasta 3048 Comment
  CAS-BOT-BC280674  Anthoxanthum nitens Gus Hormay 1944-7-19 s.n. Siskiyou Kuck's Cabin, Bald Mountain, west of Mount Hebron 1828 Comment
  HSC39212  Anthriscus caucalis J. P. Smith 1976-5-4 8666 Siskiyou Hwy. 96, 1 mi. E of Klamath National Forest Boundary, along Klamath River. 610 Comment
  JEPS83422  Antirrhinum vexillocalyculatum subsp. breweri David M. Thompson 1983-9-10 361 Siskiyou 3.2 mi e center of Beaver Creek bridge on n side of Hwy. 96 (e town of Klamath River, opposite Klamath River from mouth of Vesa Creek); Condrey Mtn. Quad. (15', 1955) 560 Comment
  SBBG5685  Apocynum androsaemifolium H. and M. Dearing 1938-6-27 2181 Siskiyou 1 mi W of McCloud Comment
  UC196342  Apocynum androsaemifolium A. A. Heller 1914-8-25 11703 Siskiyou along R.R. embankment near Deetz station opposite Black Butte 1158 Comment
  HSC2399  Apocynum androsaemifolium William J. Ferlatte 1966-8-18 408 Siskiyou 3 mi. S of Big Flat 1585 Comment
  RSA211337  Apocynum androsaemifolium subsp. pumilum William J. Ferlatte 1966-8-18 408 Siskiyou Wooded area 3 miles S of Big Flat. 1585 Comment
  RSA403113  Apocynum androsaemifolium subsp. pumilum B. C. Templeton 1964-6-10 10071 Siskiyou South of Mt. Shasta on Hwy. 5 Comment
  CAS-BOT-BC395152  Aquilegia formosa Wm. Bridge Cooke 1938-7-15 11195 Siskiyou Bear Springs, Mount Shasta Comment
  CAS-BOT-BC397941  Aquilegia formosa Doris K. Kildale 1929-7-20 8541 Siskiyou Trail to Preston Peak along S Fork Indian Creek 2133 Comment
  CAS-BOT-BC397944  Aquilegia formosa Alice Eastwood 1921-7-24 10792 Siskiyou Castle Lake Comment
  CAS-BOT-BC407124  Aquilegia formosa A. A. Heller 1916-7-20 12472 Siskiyou Near Wagon Creek Falls, E side of Mt. Eddy 1524 Comment
  UC640269  Aquilegia formosa H. and M. Dearing 1939-7-2 3806 Siskiyou near Salmon Mtns 1524 Comment
  HSC22426  Aquilegia formosa var. truncata J. O. Sawyer 1969-6-12 926 Siskiyou Along C.C.C. road just S of Sugar Creek 1463 Comment
  RSA0125742  Arabis breweri Frederick W. Oettinger 1968-9-9 806 Siskiyou Ridge near Tobacco Lake. Salmon Mountains. High Lake Basin in the vicinity of English Peak. Marble Mountain Wilderness Area. 1966 Comment
  RSA0126145  Arabis divaricarpa Frederick W. Oettinger 1968-8-18 568 Siskiyou East side of Hancock Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1936 Comment
  HSC22410  Arabis divaricarpa var. interposita J. O. Sawyer 1969-8-2 1709 Siskiyou E facing slope W of Little Duck Lake 2317 Comment
  RSA0126136  Arabis divaricarpa var. interposita Frederick W. Oettinger 1969-7-15 1030 Siskiyou South of Bear Meadows, below Tom Taylor Cabin - English Peak Trail; The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1997 Comment
  RSA52143  Arabis eschscholtziana Dorothy Parker 1948-6-14 s.n. Siskiyou Rail Creek, Plowman s Valley 1204 Comment
  RSA0125834  Arabis glabra S. O. Mattoon, Alva Hansen 1978-6-16 32 Siskiyou S-facing flank of Scott Bar Mountains, McKinney Creek Canyon; 6 miles S of Klamath River at Oak Knoll R[anger].S[tation]. Comment
  UC166148  Arabis holboellii Geo. D. Butler 1910-7-5 1505 Siskiyou Shackleford Creek Comment
  HSC6530  Arabis holboellii var. pinetorum Lincoln Constance, R. C. Rollins 1942-5-13 2914 Siskiyou Scott River, 10 mi. SW of Scott Bar 610 Comment
  HSC90577  Arabis holboellii var. retrofracta Jennifer Whipple 1976-7-8 1365 Siskiyou Klamath Mtns.: N to NE facing steep granite bluff above Dobkins Lake 2317 Comment
  SEINET3899916  Arabis holboellii var. retrofracta James Payne Smith Jr 1976-5-5 8678 Siskiyou Road from Sawyers Bar to Somes Bar, just west of Sawyers Bar.; 0 671 Comment
  RSA0128945  Arabis modesta Lincoln Constance, Reed C. Rollins 1942-5-13 2907 Siskiyou Klamath-Siskiyou Region: Klamath River 4 miles east of Seiad. 457 Comment
  HSC26702  Arabis platysperma William J. Ferlatte 1971-9-18 1374 Siskiyou Caribou Meadow on N side of Caribou Mtn. 1982 Comment
  JEPS53154  Arabis rectissima var. rectissima Willis L. Jepson 1894-7-24 59 c Siskiyou n of Sisson (Muir's Peak and Upton Plateau); Region of the Upper Sacramento, Black Butte Comment
  RSA237353  Arabis rigidissima var. rigidissima Frederick W. Oettinger 1969-9-4 1636 Siskiyou West face of Peak just east of Hancock Lake. Salmon Mountains. High Lake Basins in the Vicinity of English Peak. Marble Mountain Wilderness Area. 1999 Comment
  UC1585411  Arbutus menziesii R. Raiche, K. Zadnik, and H. Forbes 1989-3-10 UCBG 37 Siskiyou 17 km e of Happy Camp (on Hwy 96, Seiad VAlley area); Seiad VAlley area Comment
  CAS-BOT-BC407727  Arceuthobium abietinum Marion Ownbey; Fred G. Meyer 1940-7-6 2212 Siskiyou Summit of Cayenne Ridge, near Marble Fountain Comment
  CDA22358  Arceuthobium campylopodum R. L. Mathiasen 2005-3-12 531 Siskiyou 0.8 km north of Highway 89 on Forest Road 88 (road to Mt. Shasta Ski Park). Shasta-Trinity National Forest. 0 Comment
  CAS-BOT-BC407794  Arceuthobium campylopodum L. E. Smith 1912-8-1 s.n. Siskiyou near Weed Comment
  HSC29239  Arceuthobium campylopodum Frederick W. Oettinger 1969-8-22 1509 Siskiyou Marble Mtn. Wilderness Area, just W of outlet and along shoreline of Horse Range Lake 1822 Comment
  SEINET2471246  Arceuthobium cyanocarpum R. L. Mathiasen 2007-9-21 2007 -57 Siskiyou Summit of Black Butte 1900 Comment
  UC1388343  Arctostaphylos Freed W. Hoffman 1948-7-8 2584 Siskiyou Waldo-Happy Camp Rd n West Branch Camp; North Coast Ranges Comment
  CAS-BOT-BC39005  Arctostaphylos klamathensis Wayne Roderick; Martha Roderick 1979-7-11 s.n. Siskiyou Mumbo Basin 1737 Comment
  CAS-BOT-BC39987  Arctostaphylos nevadensis H. P. Bracelin 1931-6-21 459 Siskiyou North side of Mt. Eddy. above Dobkins Lake. 2133 Comment
  CHSC587  Arctostaphylos nevadensis V. Holt 1932-6-26 Siskiyou Mt. Eddy. 1828 Comment
  HSC4919  Arctostaphylos nevadensis J. O. Sawyer 1968-6-18 223 Siskiyou Headwaters of Blake's Fork of S Russian Creek 1738 Comment
  HSC65501  Arctostaphylos nevadensis R. White 1977-6-20 89 Siskiyou NE area around Devil's Punchbowl 1433 Comment
  HSC69555  Arctostaphylos nevadensis Maralyn A. Renner 1980-6-26 1291 Siskiyou Klamath National Forest, ridge along FS Rd. 15N01, 1 mi. N of Flint Valley. 1494 Comment
  RSA68855  Arctostaphylos nevadensis A. E. Culbertson 1943-6-26 101 Siskiyou Castle Lake, 5434, in a north facing cirque with an abrupt 1000' backwall; 14 miles s.w. of Mt. Shasta on n. side of a 6600' eastern spur of Trinity Mts.; 2000' above Sacramento R. within 10 air miles of its headwaters to the west. Comment
  JEPS124854 Image available Arctostaphylos nevadensis J. Yamanaka 1965-7-13 135 Siskiyou Mt. Shasta. Comment
  LA42205  Arctostaphylos nevadensis Wm. Bridge Cooke; 1939-8-8 13835 Siskiyou Mount Shasta 2468 Comment
  RSA96937  Arctostaphylos nevadensis P. C. Everett, E. K. Balls, George B. Everett 1954-10-11 20268 Siskiyou Road from Castle Lake to town of Mt. Shasta, about 2 mi. n. from Castle Lake Forest Service camp. 1280 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-BC46432  Arctostaphylos patula T. H. Harris 1951-6-1 s.n. Siskiyou Happy Camp. 1737 Comment
  CAS-BOT-BC46513  Arctostaphylos patula C. Hart Merriam 1929-9-15 s.n. Siskiyou Sawyers Bar, Salmon River. Comment
  CAS-BOT-BC46519  Arctostaphylos patula Doris K. Kildale 1929-7-20 8612 Siskiyou SE. of Preston Peak. 1981 Comment
  HSC30332  Arctostaphylos patula Dale R. Gradek 1974-5-27 88 Siskiyou 4 mi. SW of Chandler Glade on FS Rd. 47N03 1524 Comment
  HSC68535  Arctostaphylos patula Maralyn A. Renner 1980-6-24 1076 Siskiyou 1/2 mi. E of Cook and Green Pass 1555 Comment
  HSC7702  Arctostaphylos patula D. M. Thomson 1965-8-14 190 Siskiyou Lava Beds National Monument, Tickner Rd., 2 mi. SW of Mammoth Crater Comment
  UC1483547  Arctostaphylos patula Maralyn A. Renner 1980-9-9 2764 Siskiyou ridge to sw Medecine Mtn.; Klamath National Forest, Forks of Salmon Quad. 2057 Comment
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Feb 9 2009
  UC21886  Arctostaphylos patula Thos. Howell April, 1892 1448 Siskiyou near R.R. (top of mts.); Siskiyou Mts. Comment
  SBBG19308  Arctostaphylos viscida subsp. viscida M. A. Piehl 1956-8-14 Siskiyou Indian Crk near jade mine, vicinity of Happy Camp Comment
  UC1190191  Arenaria congesta var. suffrutescens Ira L. Wiggins 1955-7-27 13515 Siskiyou Salmon-Trinity Alps Primitive Area, Caribou Lake 2042 Comment
  HSC82255  Arnica cordifolia Thomas W. Nelson, Jane P. Nelson 1980-7-20 6178 Siskiyou Hillside above Big Carmen Lake 1738 Comment
  CAS-BOT-BC82551  Arnica discoidea Alice Eastwood; John Thomas Howell 1937-6-26 5047 Siskiyou Salmon Mts. near Taylor Creek Comment
  HSC42917  Arnica discoidea J. O. Sawyer, Ken Stillman 1976-7-1 2790 Siskiyou Streamside terraces and lower slopes along the Little N Fork of the Salmon River. 732 Comment
  HSC62592  Arnica discoidea Al Hobart 1967-8-8 Siskiyou Youngs Valley Comment
  CAS-BOT-BC82661  Arnica latifolia Doris K. Kildale 1928-8-19 6549 Siskiyou Hancock Lake, on trail to Marble Mt. Comment
  HSC96404  Arnica mollis Gordon Leppig, J. Kalt 1996-7-9 349 Siskiyou Klamath National Forest, Russian Wilderness, cirque W of Little Duck Lake 2200 Comment
  JEPS128462  Arnica mollis Julie Kierstead Nelson with Martin Lenz 2015-6-18 2015 -063 Siskiyou Headwaters of West Fork Parks Creek, 2 miles NNE of China Mountain; 7 miles W of town of Weed. Comment
  UC1072716  Arnica nevadensis Douglas Barbe 1955-7-6 129 Siskiyou Taylor Lake (above se shore) Klamath Mountains, Salmon Mountains 1950 Comment
  UCD56024  Arrhenatherum elatius S. D. Nelson 1947-5-24 s.n. Siskiyou Scott Valley. Comment
  CHSC86655  Artemisia cana subsp. bolanderi Jenny Marr 1993-7-1 38 Siskiyou Butte Valley Wildlife Area, +/- 7 air miles NW of the town of MacDoel. Meadow NW of Meiss Lake. 1349 Comment
  HSC42936  Artemisia douglasiana Ken Stillman 1976-8-24 436 Siskiyou Along Klamath River at Williams Point. 366 Comment
  CAS-BOT-BC90478  Artemisia douglasiana D. D. K. 1938-8-19 11509 Siskiyou along the margin of, and in the vicinity of, one of the overflow creeks from the Mount Shasta reservoir above Howard 1219 Comment
  CAS-BOT-BC90484  Artemisia douglasiana K. T. Stillman 1976-9-9 486 Siskiyou Marble Mountain Wilderness Area, Trail from jump off to Paradise Lake. Scott Bar quad. 1950 Comment
  UC710444  Artemisia ludoviciana subsp. incompta John Thomas Howell 1939-8-8 15186 Siskiyou Black Mt. Marble Mts., Black Mt. Comment
  HSC35806  Artemisia norvegica subsp. saxatilis J. O. Sawyer 1969-8-18 1978 Siskiyou S of S Sugar Lake 2104 Comment
  SEINET516317  Artemisia tridentata subsp. tridentata Vernon H. Oswald 1998-9-16 9629 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
  JEPS45627  Aruncus dioicus var. pubescens Geo. D. Butler 1908-8-3 280 Siskiyou canyon below Log Lake; Shackleford Creek 1463 Comment
  UC12116  Aruncus dioicus var. pubescens unknown Sep 1862 1446 Siskiyou Comment
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Jan 20 2011
  CAS-BOT-BC447716  Aruncus dioicus var. vulgaris Doris K. Kildale 1928-8-18 6425 Siskiyou North Fork Salmon River at Finley Camp Comment
  CAS-BOT-BC400591  Asarum caudatum A. A. Heller 1919-6-27 13276 Siskiyou Metcalf's ranch, northeast base of Mt. Eddy 1158 Comment
  CAS-BOT-BC400594  Asarum caudatum A. M. Vollmer; L. Beane 1951-6-2 84 Siskiyou Happy Camp, Klamath River Highway Comment
  UC1045273  Asarum caudatum W. B. Cooke 1940-7-12 15316 Siskiyou in Box Canyon of the Sacramento River near Mount Shasta City 914 Comment
  JEPS5088  Asclepias cordifolia W. L. Jepson 1940-7-1 20075 Siskiyou 6 mi e McCloud River (Fowlers Camp) 944 Comment
  SEINET11098485 Image available Asclepias cordifolia Jennifer Hedin 1996-1 228 Siskiyou Lower Mel, R Falls, campground/picnic area Comment
  SEINET7121401  Asclepias speciosa B. L. Wilson 2006-7-25 11946 Siskiyou Near spring on Forest Service road above Forest Mountain Summit 1265 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
  CAS-BOT-BC69558  Aspidotis densa John Thomas Howell 1939-8-2 14902 Siskiyou Spirit Lake, Marble Mts. 1828 Comment
  RSA13849  Aspidotis densa L. C. Wheeler 1934-8-13 3112 Siskiyou East Fork Horse Creek, Siskiyou Mountains 1982 Comment
  POM208194  Aspidotis densa L. C. Wheeler 1934-6-28 2814 Siskiyou Head of Little Soda Creek, Sterling Mountains 1433 Comment
  RSA14493  Aster eatonii Elmer I. Applegate 1923-8-21 3923 Siskiyou Low alkaline ground along Willow Creek S of lower Keamath marsh Comment
  RSA293121  Aster occidentalis J. P. Smith, John Sawyer, Jane Sawyer, Kevin Sawyer 1976-9-5 8969 Siskiyou State Route 3, 2.5 miles north of Siskiyou-Trinity Co. line Comment
  UC82618  Astragalus accidens var. hendersonii Copeland 1903-7-6 3512 Siskiyou Hornbrook Comment
  CDA26647  Astragalus curvicarpus T. C. Fuller 1965-6-2 13591 Siskiyou Big Springs district, north slope of Mt. Shasta, road from Grenada, 8.3 miles northwest of Dorris-Weed Highway. 0 Comment
  CAS-BOT-BC177863  Astragalus curvicarpus var. curvicarpus Wm. Bridge Cooke 1940-6-4 15013 Siskiyou Along the Bolam Road Comment
  UC83718  Astragalus lentiginosus var. chartaceus Katharine Brandegee July 1887 Siskiyou Montagne Comment
  CDA26744  Astragalus purshii Bob Hunter 1948-7-14 Siskiyou Yreka. 0 Comment
  SEINET3127347  Astragalus purshii var. tinctus G. C. Butler 1910-5-5 1283 Siskiyou Humbug Mountain Comment
  UC164060  Astragalus purshii var. tinctus Geo. D. Butler 1909-4-14 631 Siskiyou Humbug HIlls Comment
  HSC144  Asyneuma prenanthoides William J. Ferlatte 1966-8-3 267 Siskiyou Along the S Fork of the Salmon River between the campground and Carter's. 1524 Comment
  POM339723  Athyrium americanum F. R. Fosberg 1969-8-17 51462 Siskiyou Southwest slope of Mount Shasta, end of highway at ski lift. 2450 Comment
  CAS-BOT-BC66183  Athyrium filix-femina var. cyclosorum W. B. C. 1940-8-5 15407 Siskiyou in the Wagon Camp spring area 1737 Comment
  CAS-BOT-BC17619  Athysanus pusillus W. J. Crins; et al 1988-4-18 7431 Siskiyou Klamath National Forest. 10 km. west of I-5 on Highway 96, Tree-of-Heaven Camp. Comment
  SEINET516324  Atriplex heterosperma Vernon H. Oswald 1998-9-16 9649 Siskiyou Tour Route at Lower Klamath NWR 3 mi S of Hwy. 161. 1244 Comment
  HSC4357  Atriplex truncata L. C. Wheeler 1934-10-21 3330 Siskiyou Shasta Valley 4 mi. E of Grenada 869 Comment
  JEPS117723  Azolla microphylla Lowell Ahart, John Dittes 2010-7-30 16955 Siskiyou Along the west edge of the Shasta River, about 120 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-BC106543  Balsamorhiza deltoidea J. H. Thomas 1954-5-14 4183 Siskiyou Salmon Muontains, Klamath National Forest. Near South Fork of Salmon river, 5 to 9 miles southeast of Cecilville, 1219 Comment
  CAS-BOT-BC106444  Balsamorhiza sericea Ira L. Wiggins 1950-5-28 12386 Siskiyou Serpentine ridge just above Grouse Lake (headwaters of Grouse Creek) 1737 Comment
  HSC67996  Balsamorhiza sericea J. P. Smith 1976-5-21 8768 Siskiyou Klamath National Forest, FS Rd. 40N08, 6.9 mi. from its junction with Hwy. 3 1524 Comment
  HSC75155  Balsamorhiza sericea Thomas W. Nelson, Jane P. Nelson 1979-5-26 4716 Siskiyou Along Hwy. 3, N of Scott Mtn. Summit, at junction with FS Rd. 40N03 1524 Comment
  CHSC477  Barbarea orthoceras M. Yoder 1941-7-6 Siskiyou Castle Lake. 1981 Comment
  HSC41073  Berberis aquifolium var. repens J. O. Sawyer 1970-3-4 2076 Siskiyou N of Idlewild Campground. 762 Comment
  CAS-BOT-BC75943  Berberis piperiana John Thomas Howell 1937-7-23 13357 Siskiyou South Fork of Salmon River near Big Flat. 1524 Comment
  CAS-BOT-BC76004  Berberis pumila John Thomas Howell; T. C. Fuller; G. D. Barbe 1980-4-29 53389 Siskiyou Forest Mountain Summit, 6 miles southwest of Yreka on road to Fort Jones. 1249 Comment
  HSC100791  Berula erecta Lowell Ahart, John Dittes 2010-7-30 16934 Siskiyou Along the W edge of the Shasta river, ~30 yd. NW of the East Louie Road Bridge, Shasta Big Springs Ranch, 1.6 (air) mi. SW of Big Springs Lake, 4.6 (air) mi. NW of Dwinnel Dam, and 5.7 (air) mi. SE of Grenada. 717 Comment
  JEPS2943 Image available Betula occidentalis W. L. Jepson 1902-7-19 2083 Siskiyou Forks of Salmon to Cecilville Forks of Salmon Comment
  UC54210  Betula occidentalis H. M. Hall and E. B. Babcock June, 1903 4048 Siskiyou near Sisson; Sierra Nevada Mountains, Mt. Shasta, 18th crossing of Sacram 1036 Comment
  UC893934  Bidens cernua Louis C. Wheeler 1934-10-21 3337 Siskiyou 4 mi e of Grenada (Shasta Valley); Shasta Valley 868 Comment
  CAS-BOT-BC102122  Bidens cernua L. E. Smith 1915-7-1 s.n. Siskiyou Desty Comment
  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
  CAS-BOT-BC127933  Blepharipappus scaber Louis C. Wheeler 1934-6-22 2760 Siskiyou Cottonwood Creek 914 Comment
  HSC5207  Blepharipappus scaber Duncan Dunning 1922-6-5 Siskiyou Moffett Creek, NW of Fort James Comment
  POM351061  Blepharipappus scaber L. C. Wheeler 1935-6-9 3553 Siskiyou Yreka Creek, Siskiyou Mountains. 1220 Comment
  UCD129599  Blepharipappus scaber Daryl Koutnik; Martha Townsend 1979-9-10 593 Siskiyou Five miles southwest of Yreka on Fort Jones Road. 914 Comment
  JEPS82472  Boechera Gilbert Muth 1966-7-8 370 Siskiyou Marble Valley Meadow Marble Mt. Wilderness Area 1792 Comment
  CAS-BOT-BC16890  Boechera George Dexter Butler 1908-8-4 125 Siskiyou Head of Shackleford Creek. Comment
  UC673145  Boechera breweri Lincoln Constance and Reed C. Rollins 1942-5-13 2902 Siskiyou 8 mi s Happy Camp (near Clear Creek); Klamath-Siskiyou Region, Klamath River 304 Comment
  CHSC102556  Boechera howellii L. P. Janeway 2009-8-3 9885 Siskiyou High Cascade Range. Mt. Shasta, east-northeast slope 1.2 air km southwest of Brewer Creek Trailhead; about 0.3 km south of Brewer Creek. 2560 Comment
  CAS-BOT-BC14094  Boechera pauciflora Elmer I. Applegate 1935-6-2 9274 Siskiyou Lava Beds National Monument. Indian Well Ranger Station. Comment
  CAS-BOT-BC14136  Boechera pendulocarpa C. L. Hitchcock; J. S. Martin 1939-7-6 5322 Siskiyou Marble Mountains. 0.5 mile southeast of King's Castle. 1828 Comment
  CAS-BOT-BC25415  Boechera retrofracta George Dexter Butler 1910-6-5 1505 Siskiyou Shackleford Creek. Comment
  CAS-BOT-BC25430  Boechera retrofracta B. Bartholomew; B. Anderson 1988-5-12 4085 Siskiyou 4 km east of Hambone Butte between Hambone Butte and the north end of White Horse Mountains. 1140 Comment
  SEINET3166094  Boechera rollei P. J. Alexander 2008-7-24 871 -A, B Siskiyou Below the Pacific Crest Trail on the W side of Lilypad Lake, +-0.55 miles S of Red Butte, +-5.5 miles N of Seiad Valley, Siskiyou Mountains, Rogue River National Forest. 1768 Comment
  SEINET12627115 Image available Boechera sparsiflora Martin Schilling 2013-1 MS 337 Siskiyou On Klamath River Rd, off hwy 96 at Ash Creek bridge, ca 1.9 air mi W from bridge, 1.45 air mi N of Garvey Gulch, on rocky roadside 615 Comment
  CAS-BOT-BC25929  Boechera suffrutescens John Thomas Howell 1937-7-24 13379 Siskiyou Salmon-Trinity Alps. Caribou Basin. 2286 Comment
  RSA43885  Boisduvalia densiflora var. densiflora H. M. Pollard 1948-8-11 s.n. Siskiyou Irving Creek, near Somes Bar. Comment
  HSC46107  Boschniakia strobilacea J. P. Smith 1973-5-5 6464 Siskiyou Along Cook and Green Pass Rd. Comment
  CAS-BOT-BC418460  Boykinia major C. G. Pringle 1881-8-14 s.n. Siskiyou Castle Lake; Flora of the Pacific Slope 1828 Comment
  JEPS49659  Boykinia major Geo. D. Butler 1908-8-22 217 Siskiyou summit Salmon Mountain; Cabin near summit Salmon Mountain 1676 Comment
  CAS-BOT-BC127860  Brickellia grandiflora W. R. Dudley 1901-8-22 s.n. Siskiyou Bear Canon -- west of Foxtail Ridge -- Salmon Mts. Comment
  HSC76871  Brickellia grandiflora K. T. Stillman 1976-9-9 466 Siskiyou Marble Mountain Wilderness Area, Marble Valley Guard Station. 1738 Comment
  CAS-BOT-BC127715  Brickellia greenei P. C. Everett; E. K. Balls 1954-10-13 20277 Siskiyou Seiad Creek, road to Kangaroo Mt., 7.2 mi. n.e. from Hwy 96. 822 Comment
  SEINET5707332 Image available Brickellia greenei Lowell E. Urbatsch, Vesna Karaman, Castro 2000-1 7693 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
  CAS-BOT-BC27803  Brickellia greenei Edward Lee Greene 1876-8-24 s.n. Siskiyou Scott Mountains Comment
  OBI55401  Brickellia greenei David J. Keil 1992-7-24 23562 Siskiyou Klamath Natl forest E of Callahan. 2.5 mi N of Kangaroo Lake on Rail Crk rd Comment
  UCSC000152  Brodiaea coronaria I. J. Condit 2007-6-30 s.n. Siskiyou Sisson Comment
  SEINET10965891  Brodiaea ida-maia David B. Dunn, Melvin L. Conrad; Douglas G. LeDoux 1973-6-3 Dunn 20651 Siskiyou Vicinity of the campground on the salmon river, 8.3 miles w of cecilville. Yellow pine forest with douglas fir. Area with mostly metamorphic rocks. Area Very rocky and gravelly Comment
  JEPS73754  Bromus carinatus var. carinatus Geo. D. Butler 1909-6-2 814 Siskiyou near Yreka Comment
  CAS-BOT-BC148798  Bromus carinatus var. marginatus John Thomas Howell 1939-8-2 14932 Siskiyou Marble Mountains. Spirit Lake. 1828 Comment
  UCD59121  Bromus carinatus var. marginatus Beecher Crampton 1956-8-21 3816 Siskiyou Ca. 15-16 miles southwest of Mt. Shasta City. Above Gumboot Lake, headwater of the south fork of the Sacramento River. 1920 Comment
  UCD59199  Bromus carinatus var. marginatus Geo. D. Butler 1908-7-3 486 Siskiyou Near Yreka. Comment
  SEINET14341973  Bromus diandrus R. E. Frenkel 1963-1 236 Siskiyou W. of Everitt Memorial Hwy, 1.7 mi N of McCloud River RR Crossing, near Mount Shasta. 1291 Comment
  UCD58799  Bromus hordeaceus Geo. D. Butler 1909-5-26 819 Siskiyou Field near Yreka. Comment
  CHSC91224  Bromus japonicus Lowell Ahart; John Dittes 2005-6-9 12030 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
  RSA239069  Bromus marginatus Frederick W. Oettinger 1969-9-1 1576 Siskiyou Dry Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2027 Comment
  HSC103021  Bromus orcuttianus J. P. Smith 2014-6-6 13878 Siskiyou Along State Route 96 at the Portuguese Creek Access to the Klamath River 416 Comment
  HSC22856  Bromus orcuttianus J. O. Sawyer 1969-6-11 816 Siskiyou Ridge next to C.C.C. road, near N fork of Horse Range Creek 1357 Comment
  RSA239077  Bromus orcuttianus Frederick W. Oettinger 1969-8-6 1246 Siskiyou Below Pine Lake Basin. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1829 Comment
  SJSU6526  Bromus orcuttianus R. W. Trivelpiece 1972-6-15 113 Siskiyou Vann Creek near Bear Peak c. 15 mi SW of Happy Camp 1341 Comment
  CAS-BOT-BC161705  Bromus rubens L. R. Short 1933-5-31 80 Siskiyou Klamath Forest. Cougar Gulch. 914 Comment
  UC144810  Bromus tectorum A. A. Heller 1905-6-9 8012 Siskiyou Montague Comment
  UC70736  Bromus tectorum T. H. Gilbert Jun 15 1899-Jul 15 1899 Siskiyou Scott River Valley Comment
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Jul 21 2015
  UCD59847  Bromus tectorum R. Tofsrud 1947-6-24 37 Siskiyou Near Gazelle. Comment
  HSC101479  Bromus vulgaris J. P. Smith, J. O. Sawyer 2011-7-21 13038 Siskiyou Near Dillon Camp 1358 Comment
  HSC30648  Calamagrostis koelerioides Frederick W. Oettinger, R. F. Thorne 1969-8-4 1162 Siskiyou Salmon Mountains, above Halfway Spring on trail from English Lake to Diamond Lake 1829 Comment
  UC1265354  Calamagrostis koelerioides F. W. Oettinger 1968-9-7 771 Siskiyou n.w. slope on ridge above Tobacco lake (Salmon Mts.); W. Siskiyou Co., Salmon Mts. 2011 Comment
  UC1265435  Calamagrostis koelerioides F. W. Oettinger 1969-9-3 683 Siskiyou slope w Horse Range Lake (nw of Horse's Hole Pond); Salmon Mountains 1920 Comment
  CAS-BOT-BC112323  Calliscirpus criniger Doris K. Kildale 1928-7-1 5333 Siskiyou Forks of Salmon. 152 Comment
  UC163689  Callitriche verna Geo. D. Butler 1908-12-27 1540 Siskiyou creek near Oro Fino Comment
  UC119789  Calochortus elegans Harley P. Chandler Jun 1901 1646 Siskiyou Marble Mountain North Coast Ranges 2438 Comment
  UC1409212  Calochortus elegans Frederick W. Oettinger 1969-7-10 951 Siskiyou nw of Lower English Lake (vicinity of English Peak, w Siskiyou County); Salmon Mountains, Marble Mountain Wilderness Area, English P 1767 Comment
  SEINET8201963  Calochortus elegans Unknown 1938-7-19 1748 Siskiyou 2.5 miles northeast of Dry Lake Lookout, summit of Siskiyou Mts. Comment
  UC648359  Calochortus elegans Marion Ownbey and Ruth P. Ownbey 1938-7-20 1764 Siskiyou near Round Mountain (above Oak Knoll Ranger Station); Siskiyou Mts. Comment
  SEINET12053885  Calochortus elegans var. nanus H. P. Chandler 1901-1 1646 Siskiyou Marble Mountain, North Coast Ranges 2438 Comment
  UCR47369  Calochortus tolmiei J. P. Smith 1973-5-5 6375 Siskiyou In and around the O'Neill Capground near Seiad Valley 488 Comment
  CAS-BOT-BC272747  Calycadenia truncata subsp. truncata Louis C. Wheeler 1934-10-6 3310 Siskiyou Shasta Valley 2 mi. SE Yreka 853 Comment
  SEINET7096759  Calyptridium monandrum A. G. Vestal 1955-5-16 s.n. Siskiyou Open pine country just west of Weed between tail road and highway 99 (I 15). NAD27, 41? deg. 25' 49ao, -122?_ 24' 09ao (converted to WGS84 decimal degrees) UTM Zone 10, 549920mE, 4586493mN. Comment
  HSC26561  Calyptridium monospermum J. P. Smith, J. O. Sawyer 1972-8-20 5753 Siskiyou Slope of Mt. Hoffman 2134 Comment
  UCD77436  Calyptridium monospermum Robert E. Preston 2003-7-29 2165 Siskiyou S slope of Rainbow Mountain. 1787 Comment
  SBBG25944  Calystegia malacophylla subsp. malacophylla D. Myrick 1966-8-9 1542 Siskiyou Gates Ranch, Mountain Meadow Ranch, Big Flat; Trinity Alps 1524 Comment
  CHSC88127  Camassia quamash subsp. breviflora Jenny Marr 1993-7-1 137 Siskiyou Butte Valley Wildlife Area, +/- 7 air miles NW of the town of MacDoel. Meadow NW of Meiss Lake. 1349 Comment
  RSA699533  Camassia quamash subsp. breviflora Jenny Marr 1993-07 137 Siskiyou Butte Valley Wildlife Area, ~7 air miles NW of the town of MacDoel. 1350 Comment
  RSA29661  Camissonia contorta Louis C. Wheeler 1935-5-26 3527 Siskiyou Yreka Creek, Siskiyou Mountains 854 Comment
  SDSU8627  Camissonia tanacetifolia D. F. Howe 1972-7-8 4880 Siskiyou Grass Lake, 21 miles north of Weed on #97. 1524 Comment
  CAS-BOT-BC160898  Camissonia tanacetifolia subsp. tanacetifolia L. E. Smith 1915-7-1 s.n. Siskiyou Bray Comment
  CAS-BOT-BC160902  Camissonia tanacetifolia subsp. tanacetifolia D. Bates 1960-6-13 2436 Siskiyou Route 97 at Grass Lake Comment
  RSA453343  Camissonia tanacetifolia subsp. tanacetifolia M. V. Hood 1940-08 s.n. Siskiyou Mt Hebron, near Mt Shasta. 1220 Comment
  SEINET10840323  Campanula prenanthoides Muth 1975-8-1 MUTH s.n. Siskiyou Near Sutcliffe Creek, on the Preston Peak quadrangle; close to the town of Happy Camp 1341 Comment
  UC29009  Campanula prenanthoides Edward L. Greene 1876-7-21 958 Siskiyou near Yreka Comment
  SEINET10463007  Campanula prenanthoides Young 1921-9-15 YOUNG ? Siskiyou ETNA MILLS Comment
  UC29013  Campanula prenanthoides J. Burtt Davy 1899-6-27 5889 Siskiyou Weitchpek North Coast Ranges, Klamath River (on banks of river) Comment
  UC890554  Campanula rotundifolia John Thomas Howell 1939-8-4 15046 Siskiyou Marble Rim, Marble Mts. 1889 Comment
  UCD66987  Campanula scabrella Robert E. Preston 2001-7-21 1743 Siskiyou Klamath National Forest, Rainbow Mountain. 2255 Comment
  SEINET10463383  Campanula scabrella William R. Dudley 1899-8-26 Dudley s.n. Siskiyou Slopes and top of Mount Eddy Comment
  SEINET10463678  Campanula scouleri Brown 1897-6-11 Brown 398 Siskiyou N. SIDE MT. SHASTA 1524 Comment
  SEINET10463762  Campanula scouleri Ownbey 1940-7-8 OWNBEY 2226 Siskiyou Near summit of Siskiyou Mountains, 18 miles north of Happy Camp Comment
  SEINET10463786  Campanula scouleri Joseph W. Congdon 1900-8-8 Congdon s.n. Siskiyou Near Sisson Comment
  SEINET10905942  Campanula scouleri Holt 1932-7-13 Holt s.n. Siskiyou NIXON'S CAMP, MT. SHASTA 671 Comment
  HSC687  Campanula wilkinsiana William J. Ferlatte 1967-8-22 1099 Siskiyou Head of Kidd Creek. 2134 Comment
  CAS-BOT-BC37194  Capsella bursa-pastoris John Thomas Howell; T. C. Fuller; G. D. Barbe 1980-4-28 53373 Siskiyou Grenada. Near the railroad station. 792 Comment
  RSA233659  Cardamine bellidifolia R. F. Thorne, Frederick W. Oettinger 1969-8-10 39009 Siskiyou Mount Shasta National Forest; south slope of Mt. Shasta at base of boulders. 2378 Comment
  CHSC102551  Cardamine bellidifolia var. pachyphylla L. P. Janeway 2009-8-3 9886 Siskiyou High Cascade Range. Mt. Shasta, east-northeast slope 2.3 air km southwest of Brewer Creek Trailhead; about 0.3 km south of Brewer Creek. 780 Comment
  CAS-BOT-BC37745  Cardamine californica A. A. Heller 1919-6-25 13272 Siskiyou Compton's prairie, north base of Mount Eddy. 1158 Comment
  JEPS53306  Cardamine cordifolia var. lyallii Geo. D. Butler 1908-8-8 132 Siskiyou near pond at head Marble Mountain Valley 1676 Comment
  JEPS96809  Cardamine nuttallii var. covilleana Dean W. Taylor 1999-6-10 17252 Siskiyou Marble Mountains, Mill Creek, ca. 4 miles W from Mugginsville in Quartz Valley, northerly facing slopes near watershed divide with Kidder Creek Comment
  CDA3649  Cardaria draba E. Hale 1989-5-15 Siskiyou Bruce Street, between Fourth and Main, Yreka. 0 Comment
  SD123686  Carex Robert T. Clausen, Harold Trapido 1940-7-27 4963 Siskiyou Southern Cascade Mountains; Sacramento River Basin; in volcanic dust in open woods 6.25 miles north-northeast of summit of Mt. Shasta. 1829 Comment
  CAS-BOT-BC19761  Carex abrupta John Thomas Howell 1939-8-5 15066 Siskiyou Spirit Lake, Marble Mountains. 1828 Comment
  POM254197  Carex abrupta J. T. Howell 1939-8-9 15192 Siskiyou Sky High Valley, Marble Mountains. 1829 Comment
  RSA237245  Carex abrupta Frederick W. Oettinger, Robert F. Thorne 1969-8-6 1260 Siskiyou Lower pond, Tom s Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1951 Comment
  HSC39336  Carex amplifolia J. O. Sawyer 1969-7-11 861 Siskiyou Ravine above C.C.C. road. 1280 Comment
  SEINET10343551  Carex angustata Philip E. Hyatt 2002-8-6 11142 Siskiyou Ft. Goff Recreation Area along Klamath River Comment
  HSC76314  Carex aquatilis L. P. Janeway 1982-8-22 178 Siskiyou Near the old jeep road between Poker Flat and Kelly Lake 1555 Comment
  CAS-BOT-BC19562  Carex bolanderi H. A. Thomas; J. H. Thomas 1954-7-21 4416 Siskiyou Salmon - Trinity Mountains. About 6 miles SE of Cecilville. West side of Rush Creek. 1158 Comment
  CAS-BOT-BC19652  Carex brainerdii William Bridge Cooke 1939-8-10 13859 Siskiyou Mount Shasta. Along the bottom of Mud Creek Canyon. 1981 Comment
  HSC96590  Carex echinata subsp. echinata Gordon Leppig, Tony LaBanca, Leonel Arguello 1997-6-19 478 Siskiyou Russian Wilderness, cirque W of Little Duck Lake 2200 Comment
  SEINET10921600  Carex epapillosa A. Arthur Heller 1922-7-15 Heller 13709 Siskiyou Plentiful in moist meadow at Medicine Lake. 2134 Comment
  HSC76843  Carex fracta L. P. Janeway 1982-7-18 76 Siskiyou On small island in Mill Creek, about 10 m below crossing of FS 19N07 610 Comment
  JEPS88990  Carex gigas Julie Kierstead 1991-7-2 91096 Siskiyou 10 mi w of city of Mount Shasta (Mt. Shasta Ranger District, upper end of Fawn Creek Meadow); Shasta-Trinity National Forests, Mt. Shasta Ranger District 1828 Comment
  UCD140363  Carex halliana S. S. Tillett 1956-7-11 690 Siskiyou Siskiyou - Trinity County: County line, north side Scott Mountain divide near campground; ca. 8 miles SE of Callahan. 1615 Comment
  HSC76380  Carex hendersonii L. P. Janeway 1982-8-2 102 Siskiyou At headwaters of Coon Run, 3 mi. up FS 18N03 from S Fork Indian Creek and 300 m down spur road into Coon Run 823 Comment
  CAS-BOT-BC28084  Carex hoodii John Thomas Howell 1939-8-2 14936 Siskiyou Spirit Lake, Marble Mts. 1828 Comment
  CHSC82806  Carex inops subsp. inops L. P. Janeway 2002-7-12 7623 Siskiyou High Cascade Range. 3.5 km south of the top of Ash Creek Butte; 0.2 km southwest of Road 19 (Military Pass Road); 0.6 km north-east of confluence of Ash Creek and Brewer Creek. 1573 Comment
  JEPS63703  Carex jonesii B. C. Goldsmith 1916-10-10 37 Siskiyou Widow Creek Mt. Shasta, Widow Creek Comment
  CAS-BOT-BC35521  Carex jonesii William J. Ferlatte 1967-6-27 531 Siskiyou Big Flat, between campground and S. Fork of the Salmon River 1524 Comment
  HSC48036  Carex laeviculmis D. H. Norris 1972-6-11 22842 Siskiyou Along Duck Lakes Trail near Parrott's Mill Rd. 1677 Comment
  CAS-BOT-BC31104  Carex lemmonii J. W. Stacey 1939-7-13 13647 Siskiyou Along Squaw Valley Creek in the Heather Meadow. 2377 Comment
  CAS-BOT-BC28427  Carex lenticularis var. lipocarpa Doris K. Kildale 1928-8-19 6555 Siskiyou Hancock Lake on trail to Marble Mt. 2133 Comment
  RSA237293  Carex lenticularis var. lipocarpa Frederick W. Oettinger 1968-8-1 341 Siskiyou South side of Hancock Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2043 Comment
  HSC73327  Carex leptopoda Gail Newton 1980-6-20 491 Siskiyou Near Bald Mtn. 1097 Comment
  HSC29653  Carex luzulina Frederick W. Oettinger 1968-8-3 374 Siskiyou Marble Mtns. Wilderness Area, Diamond Lake 1829 Comment
  CHSC84711  Carex luzulina var. ablata L. P. Janeway 2003-8-9 7956 Siskiyou Klamath Ranges. Siskiyou Mountains; west side of Echo Lake, between Cook and Green Pass and Red Butte. Small lake in cirque on north side of the ridge. 1664 Comment
  CAS-BOT-BC31622  Carex luzulina var. luzulina J. M. Tucker 1950-7-23 1944 Siskiyou Panther Meadows, south slope of Mt. Shasta. 2407 Comment
  RSA577422  Carex mariposana L. C. Wheeler 1934-8-6 3049 Siskiyou Bear Ground Gulch off Jaynes Canyon. Siskiyou Mountains. 1677 Comment
  CAS-BOT-BC31780  Carex mertensii Rimo Bacigalupi; Mr. VanDeventer; Mrs. VanDeventer 1959-7-10 7301 Siskiyou Along streamside in Twin Valley, Siskiyou Mts., just E of Del Norte Co. Line 1493 Comment
  HSC76313  Carex mertensii L. P. Janeway 1982-7-18 78 Siskiyou Next to Green Creek, 30 m above crossing of FS 19N07 1250 Comment
  HSC77204  Carex mertensii L. P. Janeway 1983-8-13 529 Siskiyou S side and above S Fork Indian Creek 1433 Comment
  CHSC40181  Carex microptera L. P. Janeway 1982-8-13 120 Siskiyou On n edge of Bear Cr and next to small creeklet joining Bear Cr. 1554 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
  HSC76805  Carex microptera L. P. Janeway 1982-8-15 140 Siskiyou Above Echo Lake 1799 Comment
  CAS-BOT-BC32004  Carex multicaulis George Dexter Butler 1909-5-30 856 Siskiyou Humbug Mountain. Comment
  CAS-BOT-BC23426  Carex multicostata John Thomas Howell 1939-8-9 15231 Siskiyou Ridge south of Marble Valley, Marble Mts. Comment
  RSA237226  Carex multicostata Frederick W. Oettinger 1968-8-8 450 Siskiyou Crapo Meadows. Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2165 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-BC119468  Carex nudata A. A. Heller 1905-6-1 7921 Siskiyou Between Dunsmuir and Upper Soda Spring. Comment
  CAS-BOT-BC119470  Carex nudata D. E. Breedlove 1962-6-10 3321 Siskiyou On the N bank of the Klamath River at its junction with Goff Creek, 4 mi W of Seiad. 411 Comment
  SEINET12774821  Carex nudata P. E. Hyatt 2002-8-6 11144 Siskiyou Fr. Goff Recreation Area at T47N R12W S32's south edge at S5 of T46N R12W. Along Klamath River. Comment
  SEINET8351534  Carex nudata Barbara Wilson 1994-5-27 6919 Siskiyou Rogue River National Forest; near parking areas of the New London Trailhead, between Road 1050 (Elliot Creek Road) and the creek. Comment
  SEINET4292080 Image available Carex pachycarpa Unknown 2006-1 8738 Siskiyou Klamath Ranges. Salmon Mountains; slope on south side of South Fork Salmon River 0.5 km west of Carter Meadows Summit Deadman Peak 7.5' quad. Comment
  CAS-BOT-BC119203  Carex pachystachya A. A. Heller 1916-7-20 12468 Siskiyou Near Wagon Creek Falls, E side of Mt. Eddy 1524 Comment
  SEINET8989728 Image available Carex pachystachya Unknown 2006-1 8717 Siskiyou Klamath Ranges. Salmon Mountains; just west of Carter Meadow north side of South Fork Salmon River. Deadman Peak 7.5 quad. Comment
  UC822439  Carex pachystachya Louis C. Wheeler 1934-8-2 3014 Siskiyou head Jaynes Canyon; Siskiyou Mts. 2042 Comment
  CAS-BOT-BC118929  Carex pellita Roxana S. Ferris; Laura Lorraine 1948-6-12 11819 Siskiyou East fork of Scott River drainiage, Parker Ranch, Plowman's (Noyes) Valley 1203 Comment
  CHSC102573  Carex phaeocephala L. P. Janeway 2009-8-4 9899 Siskiyou High Cascade Range. Mt. Shasta, north slope, 3.7 air km south-southwest of Northgate Trailhead along a small creeklet. 2783 Comment
  CAS-BOT-BC118573  Carex praegracilis Alice Eastwood; John Thomas Howell 1936-6-13 2748 Siskiyou 6 miles N of Weed Comment
  SEINET10817769  Carex praegracilis George D. Butler 1910-4-19 Butler 1202 Siskiyou Damp gully near Yreka. Comment
  HSC67755  Carex rossii J. O. Sawyer, J. Cole 1980-7-19 3686 Siskiyou Near FS Rd. 45N05 2018 Comment
  RSA0079917  Carex rossii D. H. Norris, T. Nelson, S. Dowty 1971-6-23 19529 Siskiyou Along State Route 89 at Snowman's Hill Summit about 3 miles east of McCloud. Comment
  HSC76830  Carex rostrata L. P. Janeway 1982-7-2 37 Siskiyou Poker Flat, end of FS Rd. 18N33 1524 Comment
  CAS-BOT-BC117912  Carex scabriuscula G. Douglas Barbe 1955-7-9 145 Siskiyou SW shore of Kangaroo Lake, Scott Mtns. 1828 Comment
  HSC62622  Carex scabriuscula Al Hobart 1968-6-9 Siskiyou Youngs Valley Comment
  SEINET7486452 Image available Carex scabriuscula Peter F. Zika 2009-1 24536 Siskiyou near Pacific Crest Trail, Route 3, Scott Mountain Summit 1640 Comment
  HSC85804  Carex scopulorum var. bracteosa L. P. Janeway 1983-8-6 509 Siskiyou Poker Flat 1524 Comment
  CAS-BOT-BC28343  Carex scopulorum var. bracteosa A. A. Heller 1922-7-3 13673 Siskiyou Wet soil along Wagon Creek on Mt. Eddy. 2194 Comment
  CAS-BOT-BC117249  Carex spectabilis John Thomas Howell 1937-7-25 13475 Siskiyou Caribou Basin, Salmon-Trinity Alps. 2286 Comment
  HSC76946  Carex spectabilis K. T. Stillman 1976-7-14 232 Siskiyou Marble Mtn. Wilderness Area 1951 Comment
  SEINET7575713 Image available Carex spectabilis Frederick W. Oettinger 1968-9-4 700 Siskiyou Salmon Mountains, High Lake Basins in the vicinity of English Peak Marble Mountain Wilderness area, slope southeast of Abbotts Lake. 1722 Comment
  SEINET4292102 Image available Carex straminiformis L. Janeway, Castro, B 2007-1 9140 Siskiyou High Cascade Range. Medicine Lake Highlands; Pumice Stone Mountain, very steep north-facing slope near the top of the north-west-trending shoulder. Open exposed slope above theforest of mountain hemlock and red fir. Comment
  UCR245613  Carex straminiformis R. F. Thorne, Frederick W. Oettinger 1969-8-10 38977 Siskiyou Northwestern; Klamath Ranges region, Mt. Shasta National Forest: south slope of Mt. Shasta, above ski lodge 2317 Comment
  JEPS84065  Carex subfusca L. R. Heckard with J. Hickman et al. 1986-7-17 6526 Siskiyou Oak Knoll Road to Condrey Mt. (near small Dry Lake, n of Hwy. 96 (Walker)) Comment
  SEINET7577150 Image available Carex subfusca Ray Tallent 1987-8-13 912 Siskiyou Klamath National Forest, Forest Rd 39N11 at Little Jackson Creek. 1739 Comment
  UC1021829  Carex subfusca J. M. Tucker 1950-7-24 1951 Siskiyou ca. 6 mi nw Pilgrim Creek Experiment Station (beside Cold Creek at the Military Road crossing); Mount Shasta, Cold Creek Comment
  RSA577423  Carex subfusca L. C. Wheeler 1934-6-22 2754 Siskiyou Cottonwood Creek, Siskiyou Mountains. Mt. Diablo Mer. 915 Comment
  UCD77467  Carex whitneyi Robert E. Preston 1996-7-22 971 Siskiyou between Blanche Lake and Bullseye Lake 2072 Comment
  CAS-BOT-BC59706  Cassiope mertensiana John Thomas Howell 1937-7-25 13443 Siskiyou Caribou Basin, Salmon-Trinity Alps. 2286 Comment
  HSC19562  Cassiope mertensiana subsp. ciliolata J. O. Sawyer 1968-7-23 570 Siskiyou Along trail from Brown's Valley to Caribou Basin including areas around Snowslide Lake and Caribou Lake. 1829 Comment
  HSC736  Cassiope mertensiana subsp. ciliolata William J. Ferlatte 1966-8-5 351 Siskiyou Caribou Mtn. 2470 Comment
  RSA195318  Cassiope mertensiana subsp. ciliolata Gilbert Muth 1967-8-19 725 Siskiyou Red Mountain, Marble Mountains. Comment
  UC722137  Castilleja C. L. Hitchcock and J. S. Martin 1939-7-6 5229 Siskiyou on Takilma to Happy Camp road (peak above and n of Divide of Siskiyou Mountains); Siskiyou Mountains 1828 Comment
  CAS-BOT-BC249373  Castilleja applegatei Gilbert Muth 1966-7-17 386 Siskiyou Near lookout, Marble Mts. 2042 Comment
  SEINET11262566  Castilleja applegatei James P. Smith 1974-5-27 7610 Siskiyou Copco Quad. Along Forest Service Road 47NO3.; 0 1280 Comment
  CAS-BOT-BC241135  Castilleja applegatei subsp. pinetorum Elmer I. Applegate 1935-6-6 9359 Siskiyou North base of Caldwell Butte, Lava Beds National Monument Comment
  CAS-BOT-BC241137  Castilleja applegatei subsp. pinetorum John Thomas Howell 1937-7-24 13375 Siskiyou Caribou Basin, Salmon-Trinity Alps 2286 Comment
  CAS-BOT-BC241150  Castilleja applegatei subsp. pinetorum Alice Eastwood 1921-7-24 10779 Siskiyou Castle Lake Comment
  CHSC4545  Castilleja applegatei subsp. pinetorum J. E. Bowlin 1967-7-18 50 Siskiyou Ca. 10 mi w of Mount Shasta Ski Bowl. 1981 Comment
  HSC42879  Castilleja applegatei subsp. pinetorum John Sawyer, Ken Stillman 1976-7-1 2794 Siskiyou Mid slopes and ridges E of Little North Fork Trail. 732 Comment
  HSC81582  Castilleja applegatei subsp. pinetorum Thomas W. Nelson, Jane P. Nelson 1980-7-17 6086 Siskiyou Along FS Rd. 17, 1 mi. N of summit at county line 2073 Comment
  RSA211407  Castilleja applegatei subsp. pinetorum William J. Ferlatte 1967-7-26 751 Siskiyou Caribou Basin, Sawtooth Ridge. 2043 Comment
  RSA425927  Castilleja applegatei subsp. pinetorum M. B. Dunkle 1944-8-25 9174 Siskiyou Siskiyou National Forest. Coastal Northern California. Comment
  CAS-BOT-BC243757  Castilleja applegatei var. pinetorum Geo. D. Butler 1910-5-1 1257 Siskiyou Humbug Mountain 1219 Comment
  UC1408796  Castilleja arachnoidea Robert F. Thorne and Fred Oettinger 1969-8-10 39007 Siskiyou s slope Mt. Shasta (slopes above ski-lodge); Mt. Shasta National Forest 2377 Comment
  CDA18397  Castilleja lacera G. D. Barbe, J. T. Howell, T. C. Fuller 1980-5-21 2784 Siskiyou Klamath Ranges; Yreka, behind (west of ) Motel 6, southside of town, north of Greenhorn Creek Road. 2194 Comment
  JEPS124594 Image available Castilleja lacera M. R. Kempf 1965-7-14 316 Siskiyou Located within 5 ft. from road - collected 4 miles west of Siskiyou Co., Calif. Dead Horse Summit. Comment
  CAS-BOT-BC253621  Castilleja miniata Doris K. Kildale 1929-7-20 8616 Siskiyou Elk Lick, South Fork of Indian Creek 1219 Comment
  CAS-BOT-BC253624  Castilleja miniata Wm. Bridge Cooke 1938-9-8 11606 Siskiyou On talus beside Little Red Butte. Flora of Mount Shasta 2590 Comment
  CAS-BOT-BC254015  Castilleja miniata Wm. Bridge Cooke 1938-7-28 11378 Siskiyou Mt. Shasta 2438 Comment
  CAS-BOT-BC254116  Castilleja miniata John Thomas Howell 1939-8-2 14861 Siskiyou Spirit Lake, Marble Mts. 1828 Comment
  HSC69174  Castilleja miniata Maralyn A. Renner 1980-8-6 2333 Siskiyou Cracker Meadow 1555 Comment
  JEPS23774  Castilleja miniata Rimo Bacigalupi with Drs. Reino and Aloha Alava 1958-9-3 6889 Siskiyou Poker Flat; Siskiyou Mountains 1536 Comment
  UC1238989  Castilleja miniata Freed W. Hoffman 1950-7-14 3627 Siskiyou Baldy Mountain North Coast Ranges (w Siskiyou County) Comment
  UC163715  Castilleja miniata Geo. D. Butler 1908-8-7 421 Siskiyou Whiskey Camp Indepencence Creek (Indepencence Creek) Comment
  UC618701  Castilleja miniata unknown 1938-9-8 11606 Siskiyou on talus beside Little Red Butte; Mount Shasta Comment
  CAS-BOT-BC254022  Castilleja miniata Ella Dales Cantelow 1940-6-1 4382 Siskiyou N. W. of Tennant [Tenet]. Butte Creek Meadow Comment
  CAS-BOT-BC32551  Castilleja pilosa Amos Arthur Heller 1905-6-20 8079 Siskiyou Gazelle Comment
  HSC76765  Castilleja pruinosa K. T. Stillman 1976-9-10 499 Siskiyou Marble Mountain Wilderness Area, across marble on E side of Black Mountain 2104 Comment
  JEPS3824  Castilleja pruinosa Geo. D. Butler 1909-5-30 757 Siskiyou Humbug Mountain Comment
  UC922482  Castilleja pruinosa Annie M. Alexander and Louise Kellogg 1949-7-29 5898 Siskiyou above Sky High Lake (trail to Hidden Lake); Marble Mountains, Sky High Valley 1767 Comment
  SEINET3159250  Castilleja pruinosa G. D. Butler 1910-6-7 1529 Siskiyou Greenhorn Mtn. Comment
  SEINET269404 Image available Castilleja tenuis Richard J. Shaw 1963-6-11 1285 Siskiyou Along old highway 99 2 miles north of Weed 1067 Comment
  CAS-BOT-BC48389  Ceanothus cuneatus Doris K. Kildale 1929-5-12 7804 Siskiyou Sawyers Bar north fork of Salmon River Comment
  CAS-BOT-BC49190  Ceanothus cuneatus Alice Eastwood 1912-8-30 2091 Siskiyou Mount Eddy, North Fork Trail Comment
  RSA47598  Ceanothus cuneatus Roxana S. Ferris, Laura Lorraine 1948-6-12 11812 Siskiyou At Mule Creek crossing of Scott Mountain Road. 1524 Comment
  HSC100194  Ceanothus integerrimus J. P. Smith, & J. O. Sawyer 2011-9-5 13417 Siskiyou Along Klamath National Forest Road 45N28. 1378 Comment
  CAS-BOT-BC50243  Ceanothus integerrimus J. Cromwell; A. Thoele; J. Schneider 1994-5-16 077 Siskiyou 5 mi. W of Seiad Valley on Hwy 96 390 Comment
  POM86957  Ceanothus integerrimus var. californicus Edward Palmer 1892-7-13 2457 Siskiyou Mount Shasta and vicinity Comment
  CAS-BOT-BC52113  Ceanothus prostratus Donald Myrick 1961-6-20 268 Siskiyou near Mt. Shasta City Comment
  HSC39317  Ceanothus prostratus J. P. Smith 1974-5-26 7381 Siskiyou Along FS Rd. 47N03 1524 Comment
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Feb 26 2013
  CAS-BOT-BC52172  Ceanothus pumilus Herbert L. Mason 1947-5-17 14760 Siskiyou Five miles south of Callahan, on Scott Mountain road Comment
  UC163661  Ceanothus pumilus Geo. D. Butler 1909-4-24 907 Siskiyou Greenhorn Road Comment
  CAS-BOT-BC53027  Ceanothus sanguineus Louis C. Wheeler 1934-6-23 2774 Siskiyou Klamath Forest - Sterling Mine, Bullion Mt. - Mt. Diablo Mer. 1280 Comment
  SEINET3162954  Ceanothus sanguineus G. D. Butler 1910-6-17 1567 Siskiyou Humbug Mountain 2134 Comment
  HSC19307  Ceanothus velutinus J. O. Sawyer 1968-9-9 650 Siskiyou Ridges S of Cyclone Gap 1738 Comment
  RSA126293  Ceanothus velutinus I. L. Wiggins 1955-7-24 13488 Siskiyou Trail at crossing of China Creek, above diversion dam Comment
  RSA184762  Ceanothus velutinus Gilbert Muth 1966-7-30 141 Siskiyou Marble Valley, Marble Mtns. 1793 Comment
  UCD77492  Ceanothus velutinus Robert E. Preston 2001-6-23 1592 Siskiyou Klamath National Forest, n slope of Rainbow Mtn, T42N R1W nw 1/4 of ne 1/4 Section 23 2042 Comment
  CAS-BOT-BC52811  Ceanothus velutinus var. velutinus John Thomas Howell 1937-7-21 13160 Siskiyou South Fork of Salmon River near Big Flat 1524 Comment
  CDA18842  Centaurea diffusa R. Breckenridge 1999-6-3 PDR 909441 Siskiyou near Volmer Creek overpass, in the vicinity of Dunsmuir. 0 Comment
  SEINET8582822  Centaurium exaltatum L. C. Wheeler 1935-7-3 3646 Siskiyou Shasta River, 2 miles NW of Montague. 762 Comment
  CAS-BOT-BC288795  Centromadia fitchii Louis C. Wheeler 1934-10-6 3309 Siskiyou Shasta Valley 2 miles SE of Yreka 853 Comment
  CAS-BOT-BC288797  Centromadia fitchii Louis C. Wheeler 1934-10-6 3309 Siskiyou Shasta Valley 2 miles SE of Yreka 853 Comment
  CAS-BOT-BC384868  Cerastium Gilbert Muth 1965-8-18 s.n. Siskiyou Trail behind Black Mountain Comment
  CAS-BOT-BC384967  Cerastium arvense A. A. Heller 1921-7-17 13572 Siskiyou On the south slope of Mt. Eddy 1828 Comment
  CAS-BOT-BC384983  Cerastium dichotomum T. C. Fuller 1962-5-18 8746 Siskiyou B. M. Long prop., Little Shasta Rd., 5 mi. e. of Montague Comment
  JEPS45536  Cercocarpus betuloides var. macrourus W. L. Jepson 1907-7-4 2810 Siskiyou Marble Mountain, Shackelford Canyon Shackelford Canyon; Marble Mountain, Shackelford Canyon Comment
  CAS-BOT-BC148512  Cercocarpus ledifolius var. ledifolius Louis C. Wheeler 1934-9-5 3246 Siskiyou Sterling Mt. 2127 Comment
  CAS-BOT-BC148525  Cercocarpus ledifolius var. ledifolius Wm. Bridge Cooke 1938-8-23 11574 Siskiyou Upper end of Shastina Lava Park - Mount Shasta 2438 Comment
  JEPS44092  Chaenactis douglasii var. douglasii W. B. and V. G. Cooke 1965-7-12 35192 Siskiyou Bolam Road Mt. Shasta 1706 Comment
  JEPS44093  Chaenactis douglasii var. douglasii W. B. and V. G. Cooke 1965-7-12 35177 Siskiyou Bolem Road Mt. Shasta 1524 Comment
  JEPS94397  Chaenactis douglasii var. douglasii Vernon Oswald and Lowell Ahart 1997-7-28 8769 Siskiyou 16 mi s of Medicine Lake (Forest Route 49 (Powder Hill Road) at 41N03 to Porcupine Butte); Forest Route 49 1365 Comment
  RSA215647  Chaenactis douglasii var. douglasii Gilbert Muth 1969-8-7 1252 Siskiyou Boulder Peak Ridge. 2470 Comment
  CAS-BOT-BC106041  Chaenactis suffrutescens L. E. Smith 1913-6-12 s.n. Siskiyou Road from Sisson to Castle Lake Comment
  CAS-BOT-BC106044  Chaenactis suffrutescens Louis C. Wheeler 1935-6-15 3586 Siskiyou Greenview, Scott Valley 883 Comment
  CAS-BOT-BC141585  Chamaebatiaria millefolium Oliver V. Matthews 1939-7-13 35 Siskiyou Goose Nest Grove-Goose [Gosse] Nest Region 1828 Comment
  RSA23949  Chamaebatiaria millefolium O. V. Matthews 1939-7-13 35 Siskiyou NW slope of Goose Nest, E of Yreka. 1524 Comment
  RSA78943  Chamaebatiaria millefolium E. K. Balls, Percy C. Everett 1952-10-12 18170 Siskiyou Modoc Lava Beds Monument, road from Indian Well to Tule Lake, 0.5 miles from Indian Well Ranger Station. 1433 Comment
  JEPS47361  Chamaesaracha nana L. R. Heckard 1966-6-20 1530 Siskiyou about 1 mi ne of town of Mount Shasta (on old McCloud Road); old McCloud Road 1127 Comment
  HSC8630  Chamaesyce glyptosperma R. C. Wunner 1965-8-27 435 Siskiyou Lava Beds National Monument, about 1 mi. from NW entrance 1220 Comment
  JEPS9008  Chamaesyce ocellata subsp. ocellata W. L. Jepson 1914-8-13 6159 Siskiyou Dunsmuir 670 Comment
  UC1751253  Chamaesyce serpyllifolia Geo. D. Butler 1908-7-16 Siskiyou near Yreka (Klamath River) Comment
  CAS-BOT-BC160568  Chamerion angustifolium Gilbert Muth 1965-8-12 s.n. Siskiyou 2/3 up meadow on back of Blk. Mt. 2133 Comment
  CAS-BOT-BC166090  Chamerion angustifolium subsp. circumvagum G. P. Rixford s.n. Siskiyou HIlt Comment
  CAS-BOT-BC70223  Cheilanthes gracillima Copeland 1903-7-16 3505 Siskiyou Mt. Shasta Comment
  UC1483406  Cheilanthes gracillima John Palmer 1980-7-24 663 Siskiyou Dillon Divide; Klamath Nat'l Forest, Dillon Mt Quadrangle 1706 Comment
  CAS-BOT-BC68211  Cheilanthes gracillima Donald Branscomb 1958-7-1 s.n. Siskiyou Castle Lake 1706 Comment
  HSC92601  Cheilanthes gracillima Jennifer Whipple 1976-4-16 1011 Siskiyou Dale Cr. Drainage of the N face of Mt. Eddy 2195 Comment
  HSC92771  Cheilanthes gracillima Jennifer Whipple 1977-7-22 2043 Siskiyou Ridgecrest between Dobkins Lake drainage and Dale Cr. Drainage 2348 Comment
  RSA239012  Cheilanthes gracillima Frederick W. Oettinger 1966-6-22 27 Siskiyou Salmon River district, Klamath 1829 Comment
  HSC43148  Chenopodium album Ken Stillman 1976-8-24 424 Siskiyou Along Klamath River at Williams Point. 366 Comment
  POM279703  Chenopodium botrys Anonymous 1902-9-4 5066 Siskiyou Mt. Shasta, near Sisson; along sides of railway. 1128 Comment
  UC851054  Chenopodium pumilio L. E. Smith 1913-7-12 467 Siskiyou Igerna Comment
  RSA45491  Chenopodium vulvaria J. C. Roos 1948-9-1 3985 Siskiyou Fort Jones. Comment
  CAS-BOT-BC451440  Chimaphila menziesii Alice Eastwood 1921-7-26 10858 Siskiyou Soda Creek Comment
  HSC19318  Chimaphila umbellata J. O. Sawyer 1968-7-10 474 Siskiyou Floodplain of Sugar Creek near Sugar Lake. 1799 Comment
  HSC69313  Chimaphila umbellata Maralyn A. Renner 1980-7-24 1970 Siskiyou Pacific Crest Trail above Lily Pad Lake. 1799 Comment
  JEPS48634  Chimaphila umbellata Geo. D. Butler 1908-8-4 58 Siskiyou head of Shackelford Creek 1676 Comment
  HSC30460  Chimaphila umbellata Frederick W. Oettinger, R. F. Thorne 1969-8-7 1279 Siskiyou W end of English Lake 1753 Comment
  CAS-BOT-BC39667  Chorispora tenella David E. Bayer 1960-5-27 s.n. Siskiyou Ca. 0.25 mile south of road. In (west) ca. 1 mile on road originating at US highway 97. 1280 Comment
  CAS-BOT-BC30101  Chrysolepis L. B. Kildale 1930-6-1 9823 Siskiyou Etna Mills Comment
  CAS-BOT-BC36378  Chrysolepis chrysophylla Marion Ownbey; Fred G. Meyer 1940-7-7 2213 Siskiyou Cayenne Ridge, Marble Mountain Comment
  HSC69004  Chrysolepis chrysophylla Maralyn A. Renner 1980-7-24 2133 Siskiyou Pacific Crest Trail, 0.25 mi. SW of Cook and Green Pass. 1494 Comment
  CDA15533  Chrysolepis chrysophylla var. chrysophylla G. F. Hrusa 1998-7-5 14701 Siskiyou Siskiyou Mountains; Cedar Camp Rd. +- 5 mi. E of Weitchpec on Hwy 96. N side of Hwy. Mile 8.8. Comment
  CAS-BOT-BC36236  Chrysolepis sempervirens Wm. Bridge Cooke 1938-6-22 11330 Siskiyou Sisson Southern Trail, Mount Shasta 1371 Comment
  CAS-BOT-BC36400  Chrysolepis sempervirens Alice Eastwood 1912-9-1 s.n. Siskiyou Mount Shasta Comment
  HSC33958  Chrysolepis sempervirens J. P. Smith 1974-5-25 7429 Siskiyou Near junction of Rd. 8 with French Creek Rd. 1280 Comment
  UCD110140  Chrysolepis sempervirens C. H. Merriam 1898-9-1 s.n. Siskiyou From south side of Mt. Shasta. 914 Comment
  RSA14165  Chrysolepis sempervirens C. Hart Merriam 1898-09 s.n. Siskiyou From south side of Mt. Shasta. 2439 Comment
  JEPS83581  Chrysothamnus humilis Dean Wm. Taylor, Glenn L. Clifton, and R. Doug Stone 1987-8-7 9253 Siskiyou on crater floor at n interior Lava Beds National Monument, Caldwell Butte 1499 Comment
  RSA17745  Chrysothamnus humilis Elmer I. Applegate 1935-8-3 10019 Siskiyou Crater rim of Caldwell Butte, Lava Beds National Monument. Comment
  RSA167214  Chrysothamnus nauseosus subsp. albicaulis Joseph P. Tracy 1949-9-15 18560 Siskiyou Black Bear Mine, Salmon Mts. Comment
  CAS-BOT-BC100853  Chrysothamnus viscidiflorus subsp. viscidiflorus Delzie Demaree 1959-7-26 41333 Siskiyou on large shelves above Tule Lake 1219 Comment
  SJSU3017  Chrysothamnus viscidiflorus subsp. viscidiflorus J. W. Tilden 1967-8-21 1768 Siskiyou 2 mi N of Weed Comment
  SEINET8734907 Image available Chrysothamnus viscidiflorus subsp. viscidiflorus Lewis S. Rose 1941-1 41427 Siskiyou Dorris 1307 Comment
  SD73144  Chrysothamnus viscidiflorus var. viscidiflorus Darley F. Howe 1969-8-31 Siskiyou 4.5 miles north of Weed on Highway 97. 1035 Comment
  HSC179  Circaea alpina subsp. pacifica William J. Ferlatte 1967-8-19 1034 Siskiyou S Fork of Salmon River, between campground and Carter's 1524 Comment
  RSA211353  Circaea alpina subsp. pacifica William J. Ferlatte 1966-8-3 284 Siskiyou Trinity Alps: Josephine Lake basin 1677 Comment
  UC454590  Circaea alpina subsp. pacifica I. J. Condit 1909-8-23 Siskiyou Castle Lake near Sisson; Castle Lake 1828 Comment
  RSA183678  Circaea alpina subsp. pacifica Gilbert Muth 1965-8-18 237 Siskiyou Marble Mountains: beside Black Mt. Comment
  CAS-BOT-BC105874  Cirsium G. J. Muth 1969-8-12 1369 Siskiyou Second Valley 2225 Comment
  CHSC72227  Cirsium arvense Vernon H. Oswald; Lowell Ahart 1998-9-16 9633 Siskiyou Hwy. 161 adjacent to a marsh at the Lower Klamath NWR 5.3 mi east of Hwy. 97. 1243 Comment
  CAS-BOT-BC284400  Cirsium arvense Alice Eastwood 1912-7-17 1164 Siskiyou Sisson Comment
  CAS-BOT-BC277924  Cirsium canovirens T. C. Fuller 1979-10-3 20271 Siskiyou Both sides of Goosenest Road, 14 km. northeast of Tennant Comment
  LA99567  Cirsium ciliolatum T. C. Fuller; D. H. Shaw 1978-7-5 20246 Siskiyou N side of York Road, 0.3 km. E of Bryant-Willow Creek Road, 15 km. N of Montague Comment
  CAS-BOT-BC278033  Cirsium cymosum D. H. Shaw; T. C. Fuller 1978-7-5 20246 Siskiyou North side of York Road, 0.3 km. east of Bryant-Willow Creek Road, 15 km. north of Montague Comment
  HSC92675  Cirsium cymosum Jennifer Whipple 1976-7-2 1269 Siskiyou Dobkins Lake drainage on E facing slopes above Dobkins Lake 2256 Comment
  HSC5394  Cirsium cymosum R. C. Wunner 1965-6-29 308 Siskiyou 1/4 mi. above Indian Well Campground; California Lava Beds N.M. 1433 Comment
  CAS-BOT-BC279878  Cirsium douglasii var. breweri A. A. Heller 1915-8-26 12238 Siskiyou Mt. Eddy 1828 Comment
  SBBG65885  Cirsium douglasii var. breweri A. A. Heller 1927-8-1 14437 Siskiyou Strawberry Valley near Mount Shasta, near Deetz, just N of Shasta City Comment
  UCD130606  Cirsium douglasii var. breweri A. H. Murphy 1956-8-16 56 L Siskiyou Big Marshy Meadows, Klamath National Forest. 1981 Comment
  CDA1275  Cirsium inamoenum T. C. Fuller 1979-10-3 20271 -B Siskiyou Goosenest Rd., 14 km northeast of Tennant. 0 Comment
  CDA21701  Cirsium ochrocentrum subsp. ochrocentrum T. C. Fuller 1979-10-3 20272 Siskiyou 1.6 km south of Tecnor, Red Rock Valley, southeast of Macdoel. 0 Comment
  CAS-BOT-BC288773  Cirsium remotifolium John Thomas Howell 1939-8-4 15033 Siskiyou Between Elk Mt and Marble River, Marble Mts Comment
  CDA1554  Cirsium remotifolium var. odontolepis J. R. Grisham 1960-7-14 s.n. Siskiyou U.S. rangeland, 15 mi. N/ Cecilville. Klamath National Forest 0 Comment
  OBI55423  Cirsium remotifolium var. odontolepis David J. Keil 1992-7-20 23495 Siskiyou Klamath NF, W of Fort Jones. Along Forest Rd 44N45, 4.4 mi S of Scott river rd Comment
  CAS-BOT-BC286466  Cirsium scariosum T. C. Fuller 1959-7-9 2738 Siskiyou Hwy 99, 2 miles south of Gazelle Comment
  RSA439203  Cirsium scariosum E. Yale Dawson 1948-7-16 5099 b Siskiyou Margins of Grass Lake, north of Mount Shasta 1524 Comment
  CDA1590  Cirsium scariosum var. robustum T. C. Fuller 1959-7-9 2738 Siskiyou Hwy 99, 2 mi. S/ Gazelle. 0 Comment
  CAS-BOT-BC285892  Cirsium vulgare A. A. Heller 1920-8-11 13501 Siskiyou Metcalf's ranch, northeast base of Mt. Eddy 1158 Comment
  CAS-BOT-BC164162  Clarkia concinna L. B. Kildale 1930-6-1 9695 Siskiyou Salmon River at Forks of Salmon Comment
  CAS-BOT-BC163459  Clarkia purpurea subsp. quadrivulnera L. B. Kildale 1930-6-1 9699 Siskiyou Salmon River at Crapp Creek Comment
  CAS-BOT-BC164987  Clarkia rhomboidea Gilbert Muth 1966-7-22 432 Siskiyou Meadow below Marble Rim, Marble Mts. 2011 Comment
  HSC29137  Clarkia rhomboidea Frederick W. Oettinger, R. F. Thorne 1969-8-5 1212 Siskiyou Marble Mtn. Wilderness Area, Willow Spring on English Lake Trail 1677 Comment
  HSC46174  Clarkia rhomboidea Jennifer Whipple 1978-6-5 2348 Siskiyou Weston Gulch in Scott Valley 854 Comment
  RSA458874  Clarkia rhomboidea M. B. Dunkle 1944-7-15 9111 Siskiyou Siskiyou National Forest. Coastal northern California. 1768 Comment
  POM259602  Claytonia cordifolia J. T. Howell 1939-8-3 15012 Siskiyou Spirit Lake, Marble Mountains. 1829 Comment
  SEINET5336338  Claytonia cordifolia G. Butler 1910-6-5 1510 Siskiyou Shackleford Creek Comment
  HSC39748  Claytonia exigua subsp. exigua J. O. Sawyer 1970-4-4 2087 Siskiyou Along Sugar Creek 823 Comment
  RSA465249  Claytonia lanceolata Christopher Davidson 1975-6-5 2690 Siskiyou 0.1 ENE on unnamed dirt rd. departing to E off Hwy 3 at Scott Mtn summit. 1677 Comment
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May 17 2012
  HSC73412  Claytonia obovata Doug Renwick, Robert Kirkpatrick 1981-5-30 162 Siskiyou 1/2 mi. E of Hwy. 3 on the dirt road heading E at Scott Mtn. Pass 1707 Comment
  RSA299446  Claytonia parviflora J. P. Smith 1973-5-5 6523 Siskiyou Scott Bar along the Scott River. Comment
  UC412619  Claytonia parviflora subsp. parviflora Milo S. Baker 104 Siskiyou Igerna Comment
  UC7888  Claytonia parviflora subsp. parviflora T. H. Gilbert Jun 15 1899-Jul 15 1899 Siskiyou Scott River Valley Comment
  HSC17712  Claytonia rubra subsp. rubra R. C. Wunner 1965-6-6 70 Siskiyou Lava Beds National Monument, 0.1 mi. on road to Caldwell Ice Cave. 1372 Comment
  JEPS24435  Claytonia saxosa Dorothy Boedecker 1941-3-6 Siskiyou e side Scott Valley 762 Comment
  CAS-BOT-BC443865  Claytonia sibirica F. J. Kirby 1958-7-1 1199 Siskiyou Swillup Campground, 25 miles s. of Happy Camp 609 Comment
  CAS-BOT-BC92762  Clematis ligusticifolia Carl B. Wolf 1927-8-26 1020 Siskiyou On the Klamath River, 5 miles below Hornbrook. Comment
  RSA15792  Clematis ligusticifolia Carl B. Wolf 1927-8-26 1020 Siskiyou Klamath River, 5 miles below Hornbrook. Comment
  UC165950  Clematis ligusticifolia Geo. D. Butler 1910-8-3 1810 Siskiyou Yreka Creek Comment
  UC35092  Cleome platycarpa G. H. Chambers 1901-9-2 Siskiyou Montague Comment
  UC375351  Cleome platycarpa Geo. D. Butler 1909-6-6 899 Siskiyou near Montague; Shasta Valley Comment
  CHSC95116  Clintonia uniflora L. P. Janeway 2006-7-2 8741 Siskiyou Klamath Ranges. Salmon Mountains; headwaters of West Fork Whites Gulch, a tributary of North Fork Salmon River from the south; between sharp switchbacks of Road 40N61. Steep north-facing slope just above alder-shaded creek. 1561 Comment
  CAS-BOT-BC499970  Clintonia uniflora Lillian Mott 1976-7-4 33 LM76 Siskiyou On trail to spring, Cook & Green Pass 1463 Comment
  CAS-BOT-BC94402  Collinsia linearis R. C. Wenk 2005-7-15 199 Siskiyou Trinity Alps, above South Fork of the Salmon River, along the Yellow Rose Mine trail 1645 Comment
  RSA237560  Collinsia parviflora Frederick W. Oettinger 1969-7-13 995 Siskiyou Meadows of Upper English Lake. The Salmon Mountains. The High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1677 Comment
  JEPS6165  Collinsia rattanii Geo. D. Butler 1909-4-26 616 Siskiyou Oro Fino Comment
  HSC62079  Collinsia rattanii Ruby Van Deventer 18 Jun [year missing] Siskiyou Raspberry Lake, 2 mi. W of Copper Mtn. Comment
  HSC19050  Collinsia torreyi var. latifolia J. O. Sawyer 1969-7-18 1393 Siskiyou W facing slope above S Russian Creek 1860 Comment
  RSA12605  Collomia grandiflora C. B. Wolf 1934-7-6 5980 Siskiyou 1/4 mi. east of Mt. Shasta City. S.W. slope of Mt. Shasta. Comment
  UC922456  Collomia grandiflora Annie M. Alexander and Louise Kellogg 1949-7-23 5853 Siskiyou Paradise Lake Marble Mountains 1920 Comment
  UC455655  Collomia heterophylla I. J. Condit 1911-7-28 Siskiyou Shasta Retreat Comment
  POM208267  Collomia heterophylla L. C. Wheeler 1934-7-6 2889 Siskiyou Siskiyou Mountains: Hungry Creek. 1371 Comment
  UCD77565  Collomia linearis Robert E. Preston 2001-6-30 1640 Siskiyou Rainbow Mountain and Vicinity. Klamath National Forest, north slope of Rainbow Mountain. 1722 Comment
  HSC45975  Collomia tinctoria J. P. Smith, Steve Selva 1970-6-15 3954 Siskiyou 20 mi. E of Cecilville on the road to Callahan. 1646 Comment
  UC1540190  Collomia tinctoria Dean W. Taylor 1987-6-26 9073 Siskiyou 2 mi se Medecine Lake; Paynes Springs 1996 Comment
  UC643297  Collomia tinctoria W. Bridge Cooke 1940-6-6 15060 Siskiyou moist places near Castle Lake Comment
  POM205355  Collomia tinctoria L. C. Wheeler 1934-6-7 2652 Siskiyou Hungry Creek Lookout. 1502 Comment
  CAS-BOT-BC133721  Corallorhiza Mrs. Gay 1893-6-1 s.n. Siskiyou Field redacted by CAS, contact the data manager for more information Comment
  CAS-BOT-BC133724  Corallorhiza A. M. Vollmer; L. Beane 1951-6-2 59 Siskiyou Field redacted by CAS, contact the data manager for more information Comment
  RSA758224  Corallorhiza maculata Robert F. Thorne 1969-8-2 63322 Siskiyou Klamath National Forest, Salmon Mountains, Marble Mountain Wilderness Area, high lake basins in the vicinity of English Peak Comment
  HSC73994  Corallorhiza mertensiana Gail Newton 1980-6-20 520 Siskiyou Near Bald Mtn. 1326 Comment
  HSC104273  Corallorhiza striata Samantha E. Andres 2016-6-5 19 Siskiyou About 2.5 mi. on the Doe Flat Trail from the parking lot 1229 Comment
  UC164421  Corallorhiza striata Geo. D. Butler 1910-5-5 1292 Siskiyou Humbug Mountain Comment
  CHSC31127  Cordylanthus tenuis subsp. tenuis T. Spira 1979-7-15 447 Siskiyou 3.1 mi n of Shasta-Trinity county line off of Hwy 3 on n side of rd. 1219 Comment
  JEPS57502  Cordylanthus tenuis subsp. viscidus L. R. Heckard with T. I. Chuang and R. Bacigalupi 1968-8-13 2124 Siskiyou 13 1/2 mi w Shasta County Line (5 1/2 mi w of Medicine Lake junction, along Hwy 89) 1066 Comment
  JEPS3576  Cordylanthus tenuis subsp. viscidus Herbert L. Mason 1950-7-16 14064 Siskiyou 5 mi s of summit of road from Happy Camp CA to Waldo, OR 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
  UC412917  Cornus glabrata Annie M. Alexander and Louise Kellogg 1911-6-12 118 Siskiyou 6 mi. n.w. Callahan (Scott Valley); Scott Valley Comment
  CAS-BOT-BC212057  Cornus nuttallii L. B. Kildale 1930-6-1 9824 Siskiyou Etna Mills Comment
  UC1584283  Cornus nuttallii Julie Kierstead 1990-4-18 90 -13 Siskiyou F.S. Rd. #39N55 along Dead Horse Canyon; Shasta-Trinity Nat'l Forest, McCloud R.D., Dead Horse Canyon 1432 Comment
  UC1585391  Cornus nuttallii R. Raiche, K. Zadnik, and H. Forbes 1989-10-3 Siskiyou n. of Seiad Valley (at Cook & Green Pass) 1425 Comment
  SEINET3161704  Cornus pubescens G. D. Butler 1910-6-4 1490 Siskiyou Shackleford Creek Comment
  HSC19036  Cornus sericea subsp. sericea J. O. Sawyer 1969-7-18 1401 Siskiyou SW facing slope above S Russian Creek. 1905 Comment
  UC1483514  Cornus sericea subsp. sericea John Palmer 1980-8-13 786 Siskiyou near F.S. Rd. 47N44 from Beaver Creek Rd. Dead Cow Creek; Klamath Nat'l Forest, Condry Mt., Quad, Dead Cow Creek 1615 Comment
  UC1408785  Corylus californica Frederick W. Oettinger 1968-8-23 615 Siskiyou high lake basins in vicinity of English Peak (Diamond Lake outlet spillway); Salmon Mountains, Marble Mountain Wilderness Area 1950 Comment
  SEINET196193  Crataegus douglasii R. S. Ferris, L Lorraine 1948-6-12 11822 Siskiyou E fork of Scott River Drainage; Parker Ranch; Plowman's (Noyes) Valley 1204 Comment
  HSC76954  Crepis acuminata K. T. Stillman 1976-7-15 247 Siskiyou Marble Mountain Wilderness Area. Comment
  CAS-BOT-BC290479  Crepis acuminata Elmer I. Applegate 1932-6-13 7241 Siskiyou Captain Jack's Stronghold, Modoc Lava Beds National Monument Comment
  UCD130929  Crepis capillaris Robert E. Preston 1995-6-18 880 Siskiyou ca. 3 miles east-southeast of Hornbrook, adjacent to Ager Road. 701 Comment
  JEPS36496  Crepis intermedia H. P. Chandler 1729 Siskiyou Shackleford Canyon Comment
  JEPS36459  Crepis occidentalis Geo. D. Butler 1909-5-31 748 Siskiyou Hawkinsville Comment
  UC581300  Crepis occidentalis G. L. Stebbins Jr. and J. A. Jenkins 1937-7-19 2441 Siskiyou stream bank 2 1/2 mi ne Fort Jones (along hwy to Yreka) 850 Comment
  CAS-BOT-BC290838  Crepis occidentalis subsp. pumila Roxana S. Ferris; Laura Lorraine 1948-6-12 11786 Siskiyou Scott Mountain Road south of Callahan Comment
  HSC43863  Crepis pleurocarpa Maralyn O'Meara 1974-5-25 371 Siskiyou Along Rd. 8, 0.9 mi. from its junction with Hwy. 3 976 Comment
  UC581187  Crepis pleurocarpa G. L. Stebbins Jr. and J. A. Jenkins 1937-7-19 2446 Siskiyou n-facing slope on ridge between Big Mill and Mule Creek (near road from Callahan to Carrville) 1200 Comment
  UC581211  Crepis pleurocarpa E. B. Babcock and G. L. Stebbins Jr. 1936-6-11 1897 Siskiyou about 7 mi sw Yreka (s of hwy from Yreka to Fort Jones); Forest House Mt. 1363 Comment
  CAS-BOT-BC290880  Crepis pleurocarpa Gilbert Muth 1965-8-11 s.n. Siskiyou Marble Valley Comment
  HSC99208  Cryptantha affinis Jennifer Whipple 1976-7-8 1370 Siskiyou Ridgetop W of Dobkins Lake 2256 Comment
  UC164153  Cryptantha flaccida Geo. D. Butler 1909-5-10 734 Siskiyou near Yreka Comment
  CAS-BOT-BC383126  Cryptogramma cascadensis Andrew Townesmith; Karen M. Meyer 2007-7-30 874 Siskiyou Shasta-Trinity National Forest. At the upper end of county road A10, mile 13.8 (from beginning of road in Mount Shasta City, 12.7 miles from National Forest boundary sign). Highest vehicle accessible point on Mount Shasta 2399 Comment
  CAS-BOT-BC80544  Cupressus bakeri O. V. Matthews 1939-7-18 37 Siskiyou Northeast [Goose Nest] Goosenest. East of Yreka 1828 Comment
  NY16595  Cupressus bakeri C. O. Stone 1964-6-6 287 Siskiyou Approximately 100 yards northeast of Quarry 1109.5 Comment
  CAS-BOT-BC80560  Cupressus bakeri John Kipping 1970-9-8 s.n. Siskiyou between e. and w. forks of Seiad Creek, Siskiyou Mts. 853 Comment
  POM120002  Cupressus bakeri Geo D. Butler 1910-7-4 1637 Siskiyou Goosenest foothills 1220 Comment
  UC1045272  Cycladenia humilis var. humilis unknown 1940-6-7 15109 Siskiyou along Pacific Hwy. near Black Butte Comment
  JEPS39349  Cynoglossum occidentale Willis L. Jepson 1894-8-4 21074 Siskiyou Niel's Camp Comment
  POM215940  Cynoglossum occidentale L. C. Wheeler 1934-6-7 2649 Siskiyou Siskiyou Mountains: Hungry Creek Lookout. 1502 Comment
  CDA5637  Cynoglossum officinale T. C. Fuller 1967-6-27 16034 Siskiyou West side of road to McCloud Reservoir, 0.3 mile south of McCloud. 0 Comment
  UC183884  Cyperus erythrorhizos Geo. D. Butler 1909-9-5 868 Siskiyou along creek near Yreka Comment
  UC184030  Cyperus squarrosus Geo. D. Butler 1910-8-13 1835 Siskiyou Oro Fino Comment
  JEPS109696  Cypripedium californicum Dean W. Taylor 2002-7-20 18254 Siskiyou Forest Road 17 ca. 3.3 miles west (above) junction with Stewart Springs Road, Parks Creek 1524 Comment
  CAS-BOT-BC133737  Cypripedium californicum L. E. Smith 1913-6-19 371 Siskiyou Field redacted by CAS, contact the data manager for more information Comment
  RSA382006  Cypripedium fasciculatum Robert Kessler 1920-1 s.n. Siskiyou Siskiyou Comment
  HSC61200  Cystopteris fragilis Al Hobart 1967-8-8 Siskiyou El Capitan Comment
  RSA692794  Cystopteris fragilis L. C. Wheeler 1934-7-5 2879 Siskiyou Deer creek, Serling Mountain Comment
  UCSB15125  Cystopteris fragilis 1962-6-11 Siskiyou About 20 miles west of Fort James; Marble Mountains 914 Comment
  HSC71073  Dactylis glomerata M. A. Baker 1980-6-20 2224 Siskiyou Near Bald Mtn. 1036 Comment
  CAS-BOT-BC192255  Danthonia californica A. A. Heller 1915-7-18 12113 Siskiyou Metcalf's ranch, northeast base of Mt. Eddy 1249 Comment
  HSC62459  Danthonia californica Ruby Van Deventer 1959-7-9 Siskiyou Twin Valley Comment
  HSC69220  Danthonia californica Maralyn A. Renner 1980-8-31 2624 Siskiyou Twin Valley. 1494 Comment
  POM142718  Darlingtonia californica E. B. Copeland 1903-8-17 3812 Siskiyou Mount Eddy. 1220 Comment
  UC1483479  Darlingtonia californica Maralyn A. Renner 1980-8-6 2294 Siskiyou Cracker Meadow Klamath National Forest, Preston Peak Quad. 1554 Comment
  POM266003  Darmera peltata Lincoln Constance, Reed C. Rollins 1942-5-13 2903 Siskiyou Klamath River at mouth of Protugese Creek. 4 miles E of Thompson Creek. 457 Comment
  HSC2241  Datisca glomerata Geo. D. Butler 1910-7-19 1723 Siskiyou Little Shasta Comment
  RSA126347  Datisca glomerata I. L. Wiggins 1955-7-21 13426 Siskiyou Near Mt. View Ranch 7 mileNortheast of Cuesta Grade.s above Cecilville on S Fork of Salmon River 976 Comment
  CHSC1458  Delphinium K. Jaekel 1939-7-6 Siskiyou Castle Lake. 1981 Comment
  CAS-BOT-BC9573  Delphinium antoninum Alice Eastwood; John Thomas Howell 1937-6-26 5036 Siskiyou Salmon Mts., 10 miles SW of Etna Comment
  JEPS86161  Delphinium decorum subsp. tracyi Wayne Roderick 1966-6-23 Siskiyou just e Pass; Cook and Green pass area 1371 Comment
  RSA30376  Delphinium depauperatum Lincoln Constance, R. C. Rollins 1942-5-14 2926 Siskiyou Road to Walker Post Office, 4 miles W of Yreka. 1220 Comment
  HSC92136  Delphinium glaucum Jennifer Whipple 1976-9-4 1797 Siskiyou Dale Creek drainage on the N face of Mt. Eddy 2195 Comment
  UC922379  Delphinium glaucum Annie M. Alexander and Louise Kellogg 1949-7-23 5851 Siskiyou edge of creeks Marble Mountains, Paradise Lake 1920 Comment
  CDA24250  Delphinium nudicaule D. Osterhandt, Don Shaw 1978-3-31 Siskiyou Between Forks of Salmon and Somes Bar. 0 Comment
  SEINET5338041  Delphinium nudicaule G. Butler 1910-5-7 1299 Siskiyou in thickets, dry hills near Yreks. Comment
  CAS-BOT-BC118071  Delphinium nuttallianum George Dexter Butler 1909-4-14 642 Siskiyou Humbug Road Comment
  CHSC71319  Delphinium nuttallianum Vernon H. Oswald; Lowell Ahart 1998-6-11 9205 Siskiyou Dry Lake on the south side of Tennant Rd. ca. 9 air mi east of Grass Lake, ca. 22 air mi northeast of Weed. Meadow, bordering the lake. 1402 Comment
  HSC77020  Delphinium nuttallianum K. T. Stillman 1976-6-25 57 Siskiyou Marble Mtn. Wilderness Area, top of Marble Mtn. 2073 Comment
  CAS-BOT-BC192463  Deschampsia cespitosa subsp. cespitosa Arthur Menzies 1962-7-21 s.n. Siskiyou Morgan Meadows, base of Mt. Eddy 1706 Comment
  CAS-BOT-BC201636  Deschampsia danthonioides Louis C. Wheeler 1934-6-10 2674 Siskiyou Hungry Creek, Siskiyou Mts. 1097 Comment
  JEPS94257  Deschampsia danthonioides Vernon H. Oswald and Lowell Ahart 1998-6-11 9223 Siskiyou 5 mi n of Macdoel (Butte Valley National Grassland near the junction of Meiss Lake-Sams Neck Road and Highway 97); Butte Valley National Grassland 1295 Comment
  CAS-BOT-BC201943  Deschampsia elongata A. A. Heller 1915-7-18 12134 Siskiyou Metcalf's ranch, base of Mt. Eddy Comment
  HSC30538  Deschampsia elongata Frederick W. Oettinger 1969-8-16 1396 Siskiyou Marble Mtn. Wilderness Area, Upper English Lake, SW of Wiregrass Meadow. 1707 Comment
  RSA12630  Deschampsia elongata C. B. Wolf 1934-7-4 5955 Siskiyou 6 8/10 mi. from Dry Lake Lookout, on rd. to Horse Creek, Siskiyou Mts. 1829 Comment
  SJSU11313  Deschampsia elongata S. H. Casey 1981-7-4 1206 Siskiyou near Cook & Green Pass, Seiad Creek Rd c. 8 mi N of Seiad Valley 1524 Comment
  POM369565  Descurainia incana subsp. incisa L. C. Wheeler 1934-7-3 2856 Siskiyou Soda Creek, Sterling Mt. Siskiyou Mountains. (Mt. Diablo Mer.) 1676 Comment
  UC1034067  Descurainia sophia unknown 1941-7-11 16044 Siskiyou vicinity MacBride Springs (along the Memorial Highway); Mount Shasta Comment
  HSC67685  Dicentra formosa John Palmer 1980-7-24 630 Siskiyou Klamath National Forest, Elk Hole 1503 Comment
  UCSB26447  Dicentra formosa Keefe, Joseph 1967-7-10 Siskiyou Indian Creek Road, 22.2 miles north of Happy Camp 1402 Comment
  RSA166277  Dicentra formosa subsp. formosa Donald Myrick 1961-6-21 312 Siskiyou On Deer Camp Road above Oak Knoll Ranger Station on Klamath River 19 miles west of Highway 99 1829 Comment
  RSA297039  Dicentra formosa subsp. formosa John F. Emmel 1974-7-19 516 Siskiyou Wet meadow 0.2 air mile west of Lily Pad Lake, Siskiyou Mountains. 1753 Comment
  RSA297049  Dicentra pauciflora John F. Emmel 1974-7-19 517 Siskiyou Wet meadow 0.2 air mile west of Lily Pad Lake, Siskiyou Mountains. 1753 Comment
  HSC44961  Dicentra uniflora J. O. Sawyer 1978-6-16 3224 Siskiyou Marble Mtn. Wilderness Area, Upper Elk Valley 1951 Comment
  RSA237876  Dichelostemma ida-maia Frederick W. Oettinger 1969-8-3 1145 Siskiyou Off the trail and uphill from the stock gate on the English Lake - Abbotts Upper cabin trail. The Salmon Mtns. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1829 Comment
  CAS-BOT-BC290997  Dieteria canescens var. shastensis Louis C. Wheeler 1934-8-24 3218 Siskiyou Klamath National Forest. Trapper Creek 1859 Comment
  CAS-BOT-BC291016  Dieteria canescens var. shastensis Grant 1902-9-7 5119 Siskiyou Mt. Shasta Comment
  UC1408805  Dieteria canescens var. shastensis Robert F. Thorne and Fred Oettinger 1969-8-10 38945 Siskiyou along Ski Bowl Road (sw slope of Mt. Shata, Mt. Shasta National Forest); Mt. Shasta National Forest, sw slope of Mt. Shasta 1280 Comment
  UC1576753  Dimeresia howellii Dean Wm. Taylor, Glenn L. Clifton, and R. Doug Stone 1987-8-7 9250 Siskiyou on crater floor at n interior Caldwell Butte; Lava Beds National Monument, Caldwell Butte 1499 Comment
  CAS-BOT-BC153448  Diplacus layneae L. E. Smith 1913-7-4 s.n. Siskiyou Castle Crags Comment
  SEINET260462 Image available Diplacus nanus David M. Thompson 1989-1 1022 Siskiyou 10.0 mi NE of Weed along Hwy 97 NW side of rd 1150 Comment
  RSA520565  Disporum hookeri var. hookeri Michael A. Hanson 1990-5-22 82 Siskiyou On Indian Creek Road, 14.3 miles (23 km) NW of the intersection of Indian Creek Road and Hwy 96 (Happy Camp). Comment
  SEINET10558103  Distichlis spicata Louis C. Wheeler 1935-6-30 Wheeler 3642 Siskiyou Dry subsaline adobe flat, 3 mi. S. Grenada, Shasta Valley. 792 Comment
  JEPS86135  Dodecatheon alpinum Wayne Roderick 1956-2 Siskiyou Castle Lake 1676 Comment
  JEPS84211  Dodecatheon jeffreyi L. R. Heckard with J. Hickman et al. 1986-7-17 6464 Siskiyou ca 5 mi n of the town Seiad Valley (s of Lily Pad Lake, trail up Kangaroo Peak); s of Lily Pad Lake, n of Seiad Valley 2011 Comment
  POM259603  Dodecatheon jeffreyi J. T. Howell 1939-8-3 14950 Siskiyou Spirit Lake, Marble Mountains. 1829 Comment
  RSA183711  Dodecatheon jeffreyi Gilbert Muth 1965-8-6 187 Siskiyou Marble Mountains; backside of Black Mountain Comment
  UC1520669  Downingia bacigalupii Noel H. Holmgren and Patricia K. Holmgren 1980-7-1 9449 Siskiyou 13.3 mi ssw Macdoel (U.S. Highway 97) Comment
  CAS-BOT-BC41309  Draba pterosperma C. L. Hitchcock; J. S. Martin 1939-7-9 5317 Siskiyou King's Castle. 1828 Comment
  UCD115549  Draba pterosperma Jack Major; M. Fleschner, R. Pemble 1966-9-4 s.n. Siskiyou NE-face of Marble Mountain, Marble Mountains. 2133 Comment
  SEINET4326819 Image available Draba verna Louis C. Wheeler 1935-4-18 3430 Siskiyou Siskiyou Mountains, Greenhorn Creek 1006 Comment
  CAS-BOT-BC41412  Draba verna George Dexter Butler 1909-4-6 549 Siskiyou Below Yreka. Comment
  RSA0011654  Drosera anglica D. V. Hemphill 1972-8-9 s.n. Siskiyou Isinglass Lake. 1982 Comment
  UC1409375  Drymocallis glandulosa var. glandulosa Frederick W. Oettinger and R. F. Thorne 1969-8-5 1209 Siskiyou Willow Spring on English Lake trail Marble Mountain Wilderness Area, Salmon Mountains (High Lake Basins in vicinity of English Peak, Salmon Mountains, Marble Mountain Wilderness Area, western Siskiyou County) 1676 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
  SEINET6691603  Drymocallis lactea var. austiniae G. D. Butler 1910-7-8 1658 Siskiyou Shackleford Creek 1372 Comment
  POM120352  Dryopteris arguta Geo D. Butler 1910-7-8 1675 Siskiyou Shackleford Creek. 1220 Comment
  JEPS49934  Dudleya cymosa subsp. cymosa W. S. Kleaver 1921-1 Siskiyou Yreka Comment
  CHSC62597  Dulichium arundinaceum L. P. Janeway 1993-8-30 4569 Siskiyou West side of Cedar Lake; head of South Fork Sacramento River. 1741 Comment
  HSC9662  Echinochloa crus-galli C. B. Wolf 1927-8-26 994 Siskiyou Klamath River, 5 mi. below Hornbrook Comment
  UC199653  Echinochloa crus-galli Geo. D. Butler 1908-8-28 490 Siskiyou near Oro Fino (Wright & Fletcher's Ranch); Wright & Fletcher's Ranch Comment
  SD76185  Echinochloa muricata Helen V. Witham 1969-10-7 571 Siskiyou 10 miles west of Fort Jones, Scott River 700 Comment
  RSA365423  Eleocharis acicularis var. acicularis L. C. Wheeler 1934-6-29 2827 Siskiyou Soda Creek. Sterling Mountain. Siskiyou Mountains. 1280 Comment
  CHSC111070  Eleocharis decumbens Barbara L. Wilson 2011-8-23 16873 Siskiyou Fawn Creek meadows. 1879 Comment
  JEPS121618  Eleocharis decumbens Kendra Sikes 2011-9-12 Siskiyou Sundew Fen, Caldwell Lakes Basin, headwaters of Park Creek, east slope of China Mountain. Sloping fen, SE aspect, over gabbro. China Mountain quadrangle. CLS_1A Comment
  CHSC88378  Eleocharis macrostachya Jenny Marr 1993-7-1 183 Siskiyou Butte Valley Wildlife Area, +/- 7 air miles NW of the town of MacDoel. Meadow NW of Meiss Lake. 1349 Comment
  CAS-BOT-BC112699  Eleocharis parishii Arthur L. Menzies 1962-7-21 s.n. Siskiyou Morgan Meadows, base of Mt. Eddy. 1706 Comment
  CAS-BOT-BC451558  Elodea canadensis Louis C. Wheeler 1934-6-2 2624 Siskiyou Klamath National Forest, Cherry Flat 518 Comment
  RSA603996  Elymus L. C. Wheeler 1934-8-14 3132 Siskiyou White Mountains 1768 Comment
  POM215742  Elymus elymoides L. C. Wheeler 1934-8-6 3057 Siskiyou Siskiyou Mts.; Rock Gulch off Jaynes Canyon; Mt. Diablo Mer. 1829 Comment
  RSA715960  Elymus elymoides subsp. californicus L. Ahart, John Dittes 2005-6-9 12019 Siskiyou On the east side of a poor rock fence, about 350 yards E of where cattle water in the Shasta River, about 3/5 mile (air) south of Highway 99/97 Cutoff, about 2.5 miles (air) ESE of Grenada. 775 Comment
  CHSC61569  Elymus elymoides subsp. elymoides L. P. Janeway 1983-8-26 605 Siskiyou Siskiyou Mountains; at Poker Flat, meadow. Along the road on the north side of the meadow. 1524 Comment
  HSC58859  Elymus elymoides var. elymoides Marvin Butler 1971-7-28 218 Siskiyou Near Twin Lakes, close to the town of Cave Junction. 1585 Comment
  HSC67772  Elymus elymoides var. elymoides J. O. Sawyer, J. Cole 1980-7-20 3799 Siskiyou E side of Grouse Hill 2134 Comment
  CAS-BOT-BC206610  Elymus glaucus subsp. glaucus Doris K. Kildale 1929-7-21 8750 Siskiyou Elk Lick, Sotuh Fork of Indian Creek 1219 Comment
  SJSU11312  Elymus hispidus S. H. Casey 1981-7-3 1205 Siskiyou near mouth of O'Neal Creek tributary of the Klamath River c. 4 mi W of Seiad Valley 426 Comment
  CAS-BOT-BC235218  Elymus multisetus Margaret M. Hanna 1958-6-20 s.n. Siskiyou 1/2 mile north of Weed Comment
  CAS-BOT-BC235220  Elymus multisetus Doris K. Kildale 1929-7-20 8557 Siskiyou South Fork of Indian Creek near Happy Camp 457 Comment
  CHSC86462  Elymus multisetus Jenny Marr 1993-7-1 79 Siskiyou Butte Valley Wildlife Area, +/- 7 air miles NW of the town of MacDoel. Meadow NE of Meiss Lake. 1349 Comment
  RSA211347  Epilobium angustifolium subsp. circumvagum William J. Ferlatte 1966-8-3 245 Siskiyou Trinity Alps: Big Flat, wooded area near public camp 1524 Comment
  HSC78307  Epilobium brachycarpum L. P. Janeway 1983-9-11 659 Siskiyou Poker Flat 1524 Comment
  JEPS43915  Epilobium brachycarpum Geo. D. Butler 1908-8-26 156 Siskiyou roadside 1 mi n Etna Comment
  HSC99267  Epilobium ciliatum subsp. ciliatum J. O. Sawyer 1969-6-12 915 Siskiyou Along C.C.C. road just S of Sugar Creek 1463 Comment
  JEPS39271  Epilobium ciliatum subsp. ciliatum Willis L. Jepson Jul 24 1894-Aug 10 1894 14450 Siskiyou Sisson Region of the Upper Sacramento Comment
  JEPS75883  Epilobium ciliatum subsp. ciliatum W. J. Ferlatte 1966-8-2 226 Siskiyou between campground and S. Fork of the Salmon R.; Trinity Alps, Big Flat 1524 Comment
  POM171587  Epilobium ciliatum subsp. ciliatum Doris K. Kildale 1928-8-18 6479 Siskiyou Near head of north fork of Salmon River at English Lake 1524 Comment
  SBBG126111  Epilobium ciliatum subsp. ciliatum L. Ahart, J. Dittes 2010-7-30 16952 Siskiyou S edge of Shasta River, ca 100 yards E of S edge of the Shasta River, ca 100 yards E of the E Louie Rd Bridge, Shasta Big Springs Ranch, 1.6 mi SW of Big Springs Lake, 4.6 mi NW of Dwinnel Dam, 5.7 mi SE of Grenad 716 Comment
  POM248154  Epilobium ciliatum subsp. glandulosum W. Bridge Cooke 1939-8-22 13881 Siskiyou Mount Shasta: along the large Wagon Camp Creek. 1738 Comment
  HSC64496  Epilobium densiflorum J. P. Smith, Steve Selva 1970-7-17 4414 Siskiyou Along Klamath River. Comment
  HSC69363  Epilobium glaberrimum subsp. fastigiatum Maralyn A. Renner 1980-8-19 2504 Siskiyou S side of Caribou Lake 2104 Comment
  RSA211352  Epilobium glaberrimum subsp. fastigiatum William J. Ferlatte 1967-8-6 818 Siskiyou Head of Canyon Creek. Trinity Alps. 2134 Comment
  JEPS82523  Epilobium hallianum Gilbert Muth 1966-8-1 482 Siskiyou Marble Valley horse pasture Marble Mt. Wilderness Area 1792 Comment
  POM251086  Epilobium hornemannii subsp. hornemannii W. Bridge Cooke 1938-7-15 11257 Siskiyou Wagon Camp spring, Mt. Shasta. 1738 Comment
  JEPS39282  Epilobium oreganum W. L. Jepson 1914-8-14 6162 Siskiyou Dunsmuir 792 Comment
  HSC29166  Epilobium oregonense Frederick W. Oettinger, R. F. Thorne 1969-8-6 1242 Siskiyou Marble Mtn. Wilderness Area, Pine Lake 1883 Comment
  POM213942B  Epilobium paniculatum G. C. Kimber 1934-6-9 43 Siskiyou Ney Creek 1/8 mi above junction with Sacramento River. 732 Comment
  POM46474  Epilobium siskiyouense Geo. D. Butler 1910-7-9 s.n. Siskiyou Wooly Creek. 1677 Comment
  HSC97386  Epipactis gigantea A. Montalvo, J. D. Ackerman 1974-7-2 355 Siskiyou Along road to Middle Fork Sacramento River and Toad Lake. West of Mt. Shasta City Comment
  UC637176  Equisetum hyemale subsp. affine Edward Lee 1934-8-11 1035 Siskiyou e end Siead Valley (Walker Creek - a tributary of Klamath River) 609 Comment
  CAS-BOT-BC57809  Equisetum laevigatum Edward Lee 1934-8-10 1021 Siskiyou S. bank of Klamath River between McKinney and Parkhouse creeks (near Hamburg). 609 Comment
  RSA603672  Eragrostis hypnoides L. C. Wheeler 1935-7-20 3675 Siskiyou Scott Valley: Scott river 1.5 miles west of Fort Jones. 822 Comment
  HSC22141  Eremogone congesta J. O. Sawyer 1969-7-7 1074 Siskiyou S facing ridge above Big Duck Lake 2226 Comment
  HSC618  Eremogone congesta William J. Ferlatte 1966-7-7 199 Siskiyou Caribou Basin 1982 Comment
  HSC67515  Eremogone congesta J. P. Smith, Steve Selva 1970-7-15 4360 Siskiyou Baldy Mtn. Lookout Station 1723 Comment
  UCD21461  Eremogone congesta Ellen Dean; with Gary Nakamura and K. Mawdsley 2002-7-28 1200 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 trail to Gray Rock Lake. 1819 Comment
  HSC81999  Eremogone congesta var. congesta Thomas W. Nelson, Jane P. Nelson 1979-6-16 4854 Siskiyou Along Hwy. 3, 3.1 mi. N of Scott Mtn. Summit 1280 Comment
  UCD77353  Eremogone kingii var. glabrescens Robert E. Preston 2001-6-23 1596 Siskiyou Klamath National Forest, n-facing slope of Rainbow Mtn, T42N R1W sw 1/4 of nw 1/4 Section 23 2042 Comment
  JEPS31342  Ericameria bloomeri Geo. D. Butler 1908-9-25 502 Siskiyou n of Goose Nest Mountains (Old Deter place) 1524 Comment
  HSC92593  Ericameria greenei Jennifer Whipple 1976-9-3 1786 Siskiyou W-facing slope of the ridge between Durney Lake and Little Crater Lake 2195 Comment
  JEPS16943  Ericameria greenei Peter H. Raven 1956-9-4 10394 Siskiyou pass just s of Mount Eddy 2438 Comment
  RSA13895  Ericameria greenei L. C. Wheeler 1934-8-24 3220 Siskiyou Trapper Creek. 1860 Comment
  SJSU15105  Ericameria nauseosa var. oreophila C. W. Sharsmith 1992-9-17 9242 Siskiyou Devils Homestead (lava flow) Lava Beds National Monument Comment
  CAS-BOT-BC298248  Ericameria nauseosa var. oreophila A. A. Heller 1917-9-7 12978 Siskiyou Shasta Valley 2 miles S of Grenada 914 Comment
  CAS-BOT-BC299465  Ericameria nauseosa var. speciosa Louis C. Wheeler 1934-8-26 3223 Siskiyou Trapper Cr., Klamath National Forest 1859 Comment
  CAS-BOT-BC299472  Ericameria nauseosa var. speciosa Gilbert J. Muth 1969-8-10 1347 Siskiyou Ridge west of Boulder Peak 2316 Comment
  RSA790000  Ericameria nauseosa var. speciosa Rebecca Wenk 2008-8-31 989 Siskiyou South Fork of Salmon River, Yellow Rose Mine above Big Flat Meadow. 1982 Comment
  UC1223066  Ericameria nauseosa var. speciosa Joseph P. Tracy 1949-9-15 18560 Siskiyou Black Bear Mine; Salmon Mountains 1219 Comment
  CAS-BOT-BC293502  Erigeron aliceae Geo. D. Butler 1910-7-8 1657 Siskiyou Shackleford Creek 1371 Comment
  UC223692  Erigeron aliceae Elmer I. Applegate 1923-9-7 3950 Siskiyou Doggett Creek 1676 Comment
  HSC58865  Erigeron cervinus Marvin Butler 1971-7-13 120 Siskiyou Near Copper Creek, close to town of Cave Junction 1464 Comment
  CAS-BOT-BC294907  Erigeron chrysopsidis var. austiniae Gary Schoolcraft 1984-6-18 1227 Siskiyou NW of Mt. Dome about 7 miles. 47-2-29 1341 Comment
  CAS-BOT-BC297106  Erigeron compositus Wm. Bridge Cooke 1939-8-10 13870 Siskiyou West bank of Mud Creek Canyon, Mount Shasta 2895 Comment
  CAS-BOT-BC297186  Erigeron concinnus var. concinnus Elmer I. Applegate 1935-6-6 9375 Siskiyou North slope of Caldwell Butte, Lava Beds National Monument Comment
  HSC5560  Erigeron elegantulus R. C. Wunner 1965-7-9 375 Siskiyou Lava Beds National Monument Upper Ice Cave 1555 Comment
  JEPS22365  Erigeron filifolius W. L. Jepson 1940-6-23 20008 Siskiyou n Mt. Shasta; Andesite station 975 Comment
  SDSU3937  Erigeron filifolius D. F. Howe 1972-7-8 4879 Siskiyou 9.5 miles north of Weed on #97. 1158 Comment
  UC585086  Erigeron filifolius E. B. Babcock, G. L. Stebbins Jr. 1936-6-11 1955 Siskiyou about 2 mi s Sheep Rock (n slope of Mt. Shasta on highway from Bray to Weed); Mt. Shasta 1249 Comment
  HSC29194  Erigeron foliosus var. confinis Frederick W. Oettinger 1968-8-22 591 Siskiyou Summit of English Peak 2229 Comment
  JEPS41431  Erigeron inornatus var. inornatus W. L. Jepson 1940-6-30 20067 Siskiyou Fowler's Camp, 6 mi e McCloud; McCloud River,Forest Service Campground 944 Comment
  UC163922  Erigeron inornatus var. inornatus Geo. D. Butler 1908-7-20 327 Siskiyou near Yreka (head of Long Gulch); Long Gulch Comment
  UC455840  Erigeron inornatus var. inornatus I. J. Condit 1909-8-23 Siskiyou near Sisson; Mt. Shasta, Castle Lake 1828 Comment
  OBI53773  Erigeron inornatus var. inornatus David J. Keil 1992-7-20 23481 Siskiyou 10.3 mi W of Fort Jones along Scott River rd; above Scott river 900 Comment
  POM211805  Erigeron klamathensis L. C. Wheeler 1934-8-6 3055 Siskiyou Siskiyou Mountains; Rock Gulch off Jaynes Canyon. 1829 Comment
  CAS-BOT-BC295815  Erigeron petrophilus var. viscidulus Ira L. Wiggins 1955-7-27 13560 Siskiyou Caribou Lake, Salmon-Trinity Alps Primitive Area 2042 Comment
  HSC28709  Erigeron petrophilus var. viscidulus William J. Ferlatte 1971-9-18 1383 Siskiyou Caribou Basin, Sawtooth Ridge at summit of trail to Stewart Fork 2287 Comment
  HSC34354  Erigeron petrophilus var. viscidulus J. P. Smith, J. O. Sawyer 1973-8-14 7305 Siskiyou On trail from Campbell Lake to Cliff Lake 1829 Comment
  RSA31950  Erigeron petrophilus var. viscidulus A. A. Heller 1918-7-16 13032 Siskiyou Mt Eddy Comment
  CAS-BOT-BC300087  Erigeron philadelphicus A. Eastwood 1921-7-30 s.n. Siskiyou Shasta Springs Comment
  CAS-BOT-BC300092  Erigeron philadelphicus W. R. Dudley 1893-6-1 s.n. Siskiyou P. Klinks Meadow, near Sisson Comment
  SBBG15417  Eriodictyon californicum D. Myrick 1961-6-21 297 Siskiyou Deer Camp Rd above Oak Knoll Ranger Station, Klamath River, 19 mi W of Hwy 99 1066 Comment
  HSC44726  Eriogonum compositum J. O. Sawyer, E. Cope 1977-6-18 2903 Siskiyou Along Clear Creek trail below Ten Mile Creek 457 Comment
  CAS-BOT-BC248836  Eriogonum compositum var. compositum D. E. Breedlove 1962-6-11 3344 Siskiyou 7.4 miles south-west of Scott Bar 624 Comment
  HSC77564  Eriogonum compositum var. compositum L. P. Janeway 1983-9-11 661 Siskiyou Poker Flat 1524 Comment
  RSA237797  Eriogonum compositum var. compositum Frederick W. Oettinger 1967-7-26 200 Siskiyou Along trail on ridge northeast of Tom's Lake. Salmon Mountains: High lake basins in the vicinity of English Peak, Marble Mountains wilderness area; ca 2134 Comment
  JEPS98387  Eriogonum congdonii Vernon H. Oswald 2000-8-28 9958 Siskiyou Rock Fence Lake Road (40N18) 0.6 mi from its jct. with Kangaroo Lake Road 1737 Comment
  LA206739  Eriogonum diclinum Louis Wheeler; 1934-9-1 3235 Siskiyou Siskiyou Mountains, Jaynes Canyon 1950 Comment
  UC909325  Eriogonum elatum Dorothy Parker 1948-8-5 172 Siskiyou dry rocky and sandy field, e. fork of Scott River Plowman's Valley, e. fork of Scott River 1188 Comment
  JEPS84299  Eriogonum elatum var. elatum L. R. Heckard with S. D'Alcamo, J. Hickman, and S. Winchester 1986-7-16 6331 A Siskiyou ca 7 mi nne Seiad Valley (w of Cook and Green Pass, ca 1/2 air mi from Red Butte) 1730 Comment
  JEPS2577 Image available Eriogonum elatum var. villosum Geo. D. Butler 1910-6-26 1606 Siskiyou near Yreka; ; Near Yreka, Siskiyou Co. Comment
  CAS-BOT-BC261219  Eriogonum hirtellum Freed W. Hoffman 1948-7-8 2597 Siskiyou North of West Branch Camp, Waldo-Happy Camp Road Comment
  HSC43462  Eriogonum marifolium Jennifer Whipple 1976-6-18 1042 Siskiyou W facing slope of the ridge between Durney Lake and Little Crater 2378 Comment
  JEPS56782  Eriogonum marifolium Willis L. Jepson 1894-8-4 Siskiyou near, Mt. Shasta snow line; Mt. Shasta Comment
  CAS-BOT-BC263185  Eriogonum marifolium var. cupulatum Alice Eastwood 1921-7-29 10982 Siskiyou Bear Spring on road to Medicine Lake Comment
  CAS-BOT-BC261618  Eriogonum nudum var. nudum H. A. Thomas; J. H. Thomas 1954-7-22 4447 Siskiyou Salmon - Trinity Mts. About 6 miles SE of Cecilville. Between Rush and Big Bend Creeks, 0.25 - 0.5 miles N of S Fork of Salmon River 975 Comment
  CAS-BOT-BC261620  Eriogonum nudum var. nudum R. Tofsrud; J. M. Tucker 1948-8-2 1753 Siskiyou Outskirts of McCloud Comment
  CAS-BOT-BC269746  Eriogonum nudum var. oblongifolium Geo. D. Butler 1908-7-28 212 Siskiyou Near Yreka Comment
  SEINET10924428 Image available Eriogonum nudum var. oblongifolium Edward L. Greene 1876-7-8 Greene 923 Siskiyou Collected near Yreka. Comment
  CAS-BOT-BC272491  Eriogonum nudum var. pubiflorum A. A. Heller 1927-8-2 14443 Siskiyou About three miles south of Yreka Comment
  CAS-BOT-BC272494  Eriogonum nudum var. pubiflorum Frank W. Peirson 1923-7-19 4209 Siskiyou Camp on Whitney Creek, Mt. Shasta Comment
  POM195480  Eriogonum nudum var. pubiflorum A. A. Heller 1927-8-2 14443 Siskiyou About 3 miles south of Yreka Comment
  CAS-BOT-BC268585  Eriogonum siskiyouense Thomas W. Nelson; Jane P. Nelson 1983-7-29 7504 Siskiyou North Coast Ranges. Along west side of State Route 3 2.4 miles north of Scott Mountain Summit just north of junction with forest road 40N03 1371 Comment
  UC1442635  Eriogonum sphaerocephalum var. halimioides William J. Ferlatte 1978-5-28 1905 Siskiyou hills ne Yreka (0.4 mi e of Interstate 5, 0.2 mi n of Hwy. 3 on way to Montague) 830 Comment
  CAS-BOT-BC263388  Eriogonum strictum var. proliferum Peter H. Raven 1956-9-4 10403 Siskiyou South side Mt. Eddy 2560 Comment
  HSC60823  Eriogonum umbellatum Ruby Van Deventer 1960-7-7 Siskiyou Bell Echo Camp in Youngs Valley Comment
  HSC69141  Eriogonum umbellatum Maralyn A. Renner 1980-8-8 2476 Siskiyou Klamath National Forest, near trail, ~0.5 mi. down from Rattlesnake Meadow 1555 Comment
  SBBG1641  Eriogonum umbellatum H. and M. Dearing 1938-6-28 2184 Siskiyou Mt Shasta 1524 Comment
  SBBG30588  Eriogonum umbellatum D. Myrick 1968-6-22 1990 Siskiyou Lava Beds Nat Monument 1371 Comment
  CAS-BOT-BC267981  Eriogonum umbellatum var. argus A. A. Heller 1914-8-28 11729 Siskiyou East side of Mt. Eddy 1676 Comment
  CAS-BOT-BC267984  Eriogonum umbellatum var. argus Edward Lee 1934-8-14 1103 Siskiyou Little Grayback, Siskiyou-Del Norte County line 1868 Comment
  CAS-BOT-BC267793  Eriogonum umbellatum var. ellipticum Louis C. Wheeler 1934-9-1 75541 Siskiyou Jaynes Canyon, Klamath National Forest 1950 Comment
  CAS-BOT-BC268157  Eriogonum umbellatum var. humistratum Mrs. H. P. Bracelin 1931-6-21 455 Siskiyou North side of Mt. Eddy above Dobkin's Lake 2133 Comment
  HSC43434  Eriogonum umbellatum var. humistratum Jennifer Whipple 1976-7-14 1468 Siskiyou SE slope of Mount Eddy draining into the N Fork of the Sacramento River 2195 Comment
  CHSC99717  Eriogonum umbellatum var. modocense L. P. Janeway 2008-7-24 9482 Siskiyou Klamath Ranges. Siskiyou Mountains; crest of the mountain 1.3 air km east of Condrey Mountain. 2050 Comment
  UC163830  Eriogonum umbellatum var. modocense Geo. D. Butler 1908-7-12 215 Siskiyou Humbug Mountain Comment
  HSC43440  Eriogonum umbellatum var. nelsoniorum Jennifer Whipple 1976-9-3 1773 Siskiyou E facing slopes near Little Crater Lake 2195 Comment
  HSC68437  Eriophorum crinigerum Maralyn A. Renner 1980-7-4 1394 Siskiyou Near trail about 0.25 mi. below Rattlesnake Meadow. 1585 Comment
  POM185511  Eriophorum crinigerum Copeland 1903-8-18 3902 Siskiyou Mt. Eddy. Comment
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Jan 23 2011
  UCD19437  Eriophorum crinigerum Charlotte K. Glenn 1967-1 165 Siskiyou Castle Lake. 1584 Comment
  RSA105497  Eriophyllum lanatum Douglas Barbe 1955-7-26 264 Siskiyou NW slope of Scott Mt. 1829 Comment
  SEINET7073529  Eriophyllum lanatum A. G. Vestal 1963-6-1 s.n. Siskiyou Southeast of Dwinnell Reservoir (Lake Shastina) about 3.6 miles northwest of Rout 97. UTM Zone 10, 549041mN, 4591197mN. Coordinate datum: NAD27. Comment
  HSC67809  Eriophyllum lanatum var. achilleoides J. O. Sawyer, J. Cole 1980-7-22 3917 Siskiyou NW slopes of Cedar Mtn. 1524 Comment
  SEINET10758249  Eriophyllum lanatum var. achilleoides Andrew Townesmith, Karen M. Meyer 2007-8-1 Townesmith 880 Siskiyou Shasta-Trinity National Forest. 11.7 miles up Stewart Springs road/Forest Service road 17 (distance from intersection of Stewart Springs and Old 99 Highway). T41N R6W near sections 28 and 33. 1983 Comment
  UC1034610  Eriophyllum lanatum var. achilleoides Douglas Barbe 1955-6-29 32 Siskiyou 2 mi e of Callahan (at Trinity Center Rd. junction); Klamath Mountains, Scott River 975 Comment
  UC134265  Eriophyllum lanatum var. achilleoides H. E. Brown Jun 1 1897-Jun 10 1897 336 Siskiyou near Sisson 1083 Comment
  SEINET8687241 Image available Eriophyllum lanatum var. achilleoides G. D. Butler 1910-5-23 1399 Siskiyou Humbug Mountain 1070 Comment
  HSC36873  Eriophyllum lanatum var. grandiflorum J. P. Smith 1974-5-25 7516 Siskiyou Along Rd. 8, 2.4 mi. W of its junction with Hwy. 3 976 Comment
  HSC68416  Eriophyllum lanatum var. grandiflorum Maralyn A. Renner 1980-6-9 838 Siskiyou Ridge SE of FS Rd. 45N35 1341 Comment
  UC455785  Eriophyllum lanatum var. grandiflorum I. J. Condit 1911-7-3 Siskiyou Shasta Retreat Comment
  UC507182  Eriophyllum lanatum var. grandiflorum Lincoln Constance 1928-6-1 Siskiyou s of Weed Comment
  CAS-BOT-BC308278  Eriophyllum lanatum var. integrifolium Roxana S. Ferris; Laura Lorraine 1948-6-12 11860 Siskiyou 2.4 miles below summit of Gazelle Mt. grade, east side 1417 Comment
  CAS-BOT-BC301720  Eriophyllum lanatum var. lanceolatum D. E. Breedlove 1962-6-10 3314 Siskiyou Along Indian Creek Road, 2.3 miles northwest of Happy Camp; Siskiyou Mountains 365 Comment
  RSA782331  Eriophyllum lanatum var. lanceolatum R. W. Spjut, Paul Burchstead 2008-6-12 16340 Siskiyou Klamath Region. Scott Valley, South Kidder Creek west of Greenview on north side of Hwy. 3, between Fort Jones and Etna 860 Comment
  RSA15584  Eryngium articulatum C. B. Wolf 1927-8-27 7744 Siskiyou On the Klamath River at the mouth of Dillon Creek Comment
  CAS-BOT-BC54587  Erysimum capitatum F. D. Douthitt 1919-5-17 12 Siskiyou Rattlesnake Ridge. 1066 Comment
  SEINET11249702  Erysimum capitatum var. capitatum L. E. Detling 1947-6-3 6057 Siskiyou Klamath NF, Happy Camp. 335 Comment
  RSA120812  Erysimum capitatum var. perenne Douglas Barbe 1955-7-6 116 Siskiyou Taylor Lake, Salmon Mtns. 1951 Comment
  CAS-BOT-BC55109  Erysimum perenne John Thomas Howell 1937-7-29 13636 Siskiyou Scott Mountain, between Siskiyou and Trinity Counties. Comment
  JEPS80560  Erysimum perenne Gilbert Muth 1965-8-6 182 Siskiyou trail on backside of mt Marble Mt. Wilderness Area, Black Mountain 1981 Comment
  CHSC71503  Erythranthe floribunda Vernon H. Oswald; Lowell Ahart 1998-7-21 9347 Siskiyou Northeast of Weed and east of Grass Lake on the south side of Tennant Rd. 0.2 mi southeast of Old State Hwy. to Bray and on the east side of the intermittent stream draining Dry Lake. 1402 Comment
  CHSC71502  Erythranthe inflatula Vernon H. Oswald; Lowell Ahart 1998-7-21 9359 Siskiyou Northeast of Weed, east of Grass Lake, and west of Bray on Old State Highway 0.8 mi east of Tennant Rd. 1417 Comment
  SBBG122973  Erythranthe linearifolia B. Ertter, J. Kierstead, J. Nelson 1990-7-15 9354 Siskiyou Morgan Meadows, E side of Mt Eddy; ca. 5 mi W of Mt Shasta City 1676 Comment
  POM266139  Erythronium citrinum var. citrinum Elmer I. Applegate 1932-4-15 7059 Siskiyou Quartz Valley, near Fort Jones Comment
  RSA237912  Erythronium grandiflorum subsp. grandiflorum Frederick W. Oettinger 1967-7-20 175 Siskiyou SSE of Diamond Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2073 Comment
  HSC67492  Eschscholzia californica J. P. Smith, Steve Selva 1970-6-15 3941 Siskiyou Road between Forks of Salmon and Cecilville. 579 Comment
  SEINET3160627  Eschscholzia californica G. D. Butler 1910-5-7 1301 Siskiyou Yreka Comment
  SD112373  Eucephalus breweri Darley F. Howe 1969-9-12 4678 Siskiyou Near north entrance to Klamath National Forest, about 10 miles east of O'Brien, Oregon 1525 Comment
  UC1557892  Eucephalus glabratus J. Semple, S. Heard 1986-8-16 8492 Siskiyou sW of Etna (Etna Summit on Forest HWY 93) Comment
  CAS-BOT-BC310460  Eucephalus ledophyllus var. ledophyllus J. P. Smith; J. O. Sawyer 1973-8-14 7318 Siskiyou Hillside west of Cliff Lake 1981 Comment
  HSC22125  Eucephalus ledophyllus var. ledophyllus J. O. Sawyer 1969-8-5 1934 Siskiyou N of S Sugar Lake 1890 Comment
  HSC62120  Eucephalus ledophyllus var. ledophyllus Al Hobart 6 Aug [year missing] Siskiyou Preston Pk. 1890 Comment
  CAS-BOT-BC310478  Eucephalus tomentellus A. A. Heller 1915-8-26 12242 Siskiyou Slope north side of Mt. Eddy 1767 Comment
  JEPS100733  Eucephalus tomentellus Dean Wm. Taylor with Glenn L. Clifton 1987-8-5 9224 Siskiyou Tate Creek, at crossing of Forest Road 36N06, headwaters McCloud River drainage 1484 Comment
  UCR66546  Euphorbia lathyris L. C. Wheeler 1934-11-4 03358 Siskiyou Marble Mtns, Scott Bar, Scott River 518 Comment
  POM210925  Euphorbia lathyris L. C. Wheeler 1934-11-4 3358 Siskiyou Marble Mountains: Scott Bar, Scott River. (Mt Diablo Mer.) 518 Comment
  RSA0036537  Eurhynchiastrum pulchellum James R. Shevock, Ken Kellman 2012-10-6 41162 Siskiyou Above Sugar Lake accessed via trailhead off of FS road 41N14. 1821 Comment
  HSC100206  Festuca californica J. P. Smith, , J. O. Sawyer, & R. J. Cole 2011-5-22 13181 Siskiyou Matthews Campground on the Cecilville to Forks of Salmon Road. 640 Comment
  CAS-BOT-BC278738  Festuca idahoensis Louis C. Wheeler 1934-6-7 2658 Siskiyou North Hungry Creek, Siskiyou Mts. 1219 Comment
  HSC102709  Festuca idahoensis J. P. Smith 2013-6-17 13742 Siskiyou Tennat-Bray. 1485 Comment
  HSC43028  Festuca idahoensis J. O. Sawyer, K. T. Stillman 1976-7-2 2801 Siskiyou Ridges E of the Little N Fork Trail 732 Comment
  HSC39910  Festuca occidentalis J. P. Smith, Steve Selva 1970-7-16 4400 Siskiyou Blue Mtn. Comment
  HSC42967  Festuca occidentalis J. O. Sawyer, K. T. Stillman 1976-5-29 2750 Siskiyou Along Specimen Creek. 1433 Comment
  JEPS25599  Festuca roemeri Rimo Bacigalupi 1959-7-2 7232 Siskiyou near n base Caribou Mtn. (Big Flat Campground, headwaters of So. Fk. Salmon River, just s of low divide (Trinity Co boundary), separating Coffee Ck drainage from Salmon Riv.); South Fork of Salmon River 1508 Comment
  UC593532  Festuca roemeri E. B. Babcock and G. L. Stebbins Jr. 1936-6-11 1910 Siskiyou about 7 mi sw Yreka (s of highway from Yreka to Fort Jones); Forest House Mt. 1371 Comment
  UC2046864  Festuca viridula R. E. Brainerd with N. Otting 2013-7-12 2182 Siskiyou Siskiyou County: Klamath Mountains. Marble Mountains Wilderness Area. Near the outlet at the west end of Upper Wright Lake. Comment
  HSC78202  Floerkea proserpinacoides L. P. Janeway 1983-8-6 485 Siskiyou At Poker Flat, at front edge of upper portion of meadow. 1524 Comment
  UC221671  Fragaria vesca H. E. Brown Jun 11 1897-Jun 16 1897 348 Siskiyou n side Mt. Shasta 1524 Comment
  CAS-BOT-BC59982  Frangula purshiana C. Hart Merriam 1907-9-26 s.n. Siskiyou Shovel Creek, Klamath Hot Springs. Comment
  CAS-BOT-BC60014  Frangula purshiana H. A. Thomas; J. H. Thomas 1954-7-22 4452 Siskiyou Salmon - Trinity Mts. about 6 mi. se. of Cecilville. Between Rush and Big Bend Creeks, 0.25-0.5 mi. n. of S. Fork of 975 Comment
  UC1045281  Fraxinus latifolia W. Bridge Cooke 1940-6-20 15174 Siskiyou below Hornbrook (along banks of Klamath River); Klamath River Comment
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Aug 20 2012
  HSC36976  Fritillaria atropurpurea J. P. Smith 1974-5-26 7580 Siskiyou Along FS Rd. 47N03, 1/4 mi. NE of Chandler Glade 1768 Comment
  UC1409213  Fritillaria atropurpurea Frederick W. Oettinger 1969-7-9 943 Siskiyou nw of Upper English Lake (vicinity of English Peak, Salmon Mountains, Marble Mountain Wilderness Area); Salmon Mountains, Marble Mountain Wilderness Area 1798 Comment
  HSC68323  Galium aparine J. P. Smith, Steve Selva 1970-6-14 3859 Siskiyou Comment
  POM367777  Galium aparine M. B. Dunkle 1944-6-25 9016 Siskiyou Siskiyou National Forest. 1677 Comment
  RSA105358  Galium bifolium G. D. Barbe 1955-7-17 210 Siskiyou 1 mile. S of Toomes Camp on the country road. West slope. 1890 Comment
  JEPS6707  Galium bolanderi Geo. D. Butler 1908-6-28 414 Siskiyou roadside Oro Fino Comment
  UC888782  Galium bolanderi Lewis S. Rose 1937-7-26 37602 Siskiyou 3 mi e Mt. Shasta City 1371 Comment
  HSC28215  Galium bolanderi Carl W. Mize 1972-6-8 25 Siskiyou 351 Comment
  POM192703  Galium bolanderi M. S. Baker 1899-7-17 s.n. Siskiyou [Lava?] Beds. Fall River Valley. Comment
  SBBG18847  Galium bolanderi C. B. Hardham 1961-7-2 8050 Siskiyou Scott River Comment
  CAS-BOT-BC428043  Galium boreale Julie Kierstead Nelson; Martin Lenz; Rhonda Posey; Brenna Montagne 2013-7-12 2013 -011 Siskiyou Headwaters of West Parks Creek, Scott Mountain, eastern Klamath Range. Near Forest Rd. 41N73 1859 Comment
  JEPS88934  Galium oreganum Joseph P. Tracy 1951-6-16 19504 Siskiyou at crossing of Takilma-Happy Camp Road (near State Line, summit of Siskiyous); Siskiyous Comment
  UC139339  Galium trifidum Copeland 1903-8-13 3888 Siskiyou Sisson Comment
  JEPS25770  Galium triflorum Rimo Bacigalupi with L. Constance and L. Heckard 1960-7-20 7455 Siskiyou about 13 air mi n Happy Camp (on jeep-road along Del Norte-Siskiyou Co. boundary (ridge top) dividing Indian Crk drainage from that of Illinois R., leading to Twin Valley) 1584 Comment
  HSC27680  Galium triflorum Carl W. Mize 1972-6-10 48 Siskiyou Draw below Steinacher Creek Rd. 366 Comment
  CAS-BOT-BC182266  Garrya fremontii Carl B. Wolf 1927-8-27 1136 Siskiyou On the Klamath River, at mouth of Crawford Creek Comment
  CAS-BOT-BC182279  Garrya fremontii Doris K. Kildale 1928-7-4 5520 Siskiyou Summit of divide between Salmon River & Scott Valley on Sawyers Bar - Etna Mills road Comment
  HSC19180  Garrya fremontii J. O. Sawyer 1968-7-23 608 Siskiyou Near Big Flat Campground, Trinity Alps Primitive Area 1524 Comment
  UC1174946  Garrya fremontii P. C. Everett and E. K. Balls 1959-10-24 23947 Siskiyou on road from Sawyers Bar to Somesbar (Forks of Salmon River); Salmon River 381 Comment
  POM212181  Garrya fremontii Carl B. Wolf 1931-9-2 2392 Siskiyou Four miles above junction of McCloud Road with the Pacific Highway. 1189 Comment
  HSC98346  Gaultheria humifusa Gordon Leppig, J. Kalt 1996-7-9 378 Siskiyou Klamath National Forest, Russian Wilderness, cirque W of Little Duck Lake 2200 Comment
  SEINET10453069  Gayophytum diffusum Mary Susan Taylor 1980-8-18 Taylor 3258 A Siskiyou T40N R2E sw sec 30. Shasta-Trinity Natl Forest, Yellow Pine Forest plantation, ca. 50 ft E of Hwy 15, ca. 3 mi N of it jctw ith Hwy 89, ca. 17 mi E of McCloud. With J. Prouty & E. Heinz. Comment
  HSC19495  Gayophytum diffusum subsp. parviflorum J. O. Sawyer 1969-8-4 1879 Siskiyou S of S Sugar Lake 2104 Comment
  UC1409238  Gayophytum diffusum subsp. parviflorum Frederick W. Oettinger 1968-8-7 434 Siskiyou Hancock Lake Salmon Mountains, Marble Mountain Wilderness Area (e side, w Siskiyou Co. high lake basins in vicinity of English Peak) 1889 Comment
  RSA237865  Gayophytum diffusum subsp. parviflorum Frederick W. Oettinger 1967-8-21 297 Siskiyou In front of northwest face of Tom Taylor Cabin. The Salmon Mountains, the high lake basins in the vicinity of English Peak, Marble Mountains Wilderness Area 2055 Comment
  UCR52565  Gayophytum heterozygum 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
  NY297626  Gentiana copelandii A. Eastwood 1912-8-30 2037 Siskiyou Mount Eddy Comment
  RSA238874  Gentiana plurisetosa Frederick W. Oettinger 1968-8-5 707 Siskiyou SW side of Diamond Lake. Salmon Mtns. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2073 Comment
  UC166618  Geum macrophyllum Geo. D. Butler 1910-6-5 1506 Siskiyou Shackleford Creek Comment
  UC375385  Geum macrophyllum Geo. D. Butler 1910-6-19 351 Siskiyou Goosenest Foothills 1524 Comment
  CAS-BOT-BC459621  Geum macrophyllum Geo. D. Butler 1910-6-5 1506 Siskiyou Shackleford Creek Comment
  CAS-BOT-BC459624  Geum macrophyllum H. A. Thomas; J. H. Thomas 1954-7-21 4436 Siskiyou Salmon-Trinity Mts. About 6 miles SE of Cecilville. West side of Rush Creek. 1219 Comment
  HSC68529  Gilia capitata Maralyn A. Renner 1980-6-24 1048 Siskiyou 1/2 mi. E of Cook and Green Pass 1555 Comment
  UC163987  Gilia capitata subsp. capitata Geo. D. Butler 1910-5-8 1311 Siskiyou near Yreka; near Yreka Comment
  JEPS11817  Githopsis specularioides Geo. D. Butler 1909-4-26 613 Siskiyou Oro Fino Comment
  HSC44646  Githopsis specularioides Jennifer Whipple 1978-6-5 2333 Siskiyou Weston Gulch in Scott Valley. 854 Comment
  HSC22139  Glyceria elata J. O. Sawyer 1968-7-10 494 Siskiyou 1768 Comment
  HSC22314  Glyceria elata J. O. Sawyer 1969-8-5 1774 Siskiyou W of Little Duck Lake 2073 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
  HSC31071  Glyceria striata Frederick W. Oettinger, R. F. Thorne 1969-8-5 1202 Siskiyou Marble Mtn. Wilderness Area, Willow Springs on the trail from English Lake to Abbott's Upper Cabin 1677 Comment
  RSA238999  Glyceria striata Frederick W. Oettinger 1969-8-16 1401 Siskiyou Wire Grass Meadow, English Lake Basin. Salmon Mountains. The High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1677 Comment
  SEINET10790893  Glyceria striata Lawrence P. Janeway 1983-9-11 Janeway 684 Siskiyou Preston Peak quad (15') T18N, R6E, SW1/4 of sec. 20. Siskiyou Mountains; at Poker Flat, a meadow in a fir forest. On wet edge of a dry "island in middle of the lower wet part of the meadow. 1524 Comment
  UC1023730  Gnaphalium palustre W. Bridge Cooke 1941-8-8 16144 Siskiyou above Howard (on Wagon Camp road); Western States, Mt. Shasta, Wagon Camp rd. 1219 Comment
  UCD132457  Gnaphalium palustre John M. Tucker 1974-7-28 4330 Siskiyou Haypress Meadows, Marble Mountain Wilderness Area. 1463 Comment
  RSA237525  Gnaphalium palustre Frederick W. Oettinger 1969-9-4 1627 Siskiyou East side of Hancock Lake. Salmon Mtns. High Lake Basins in the vicinity of English Peak. Marble Mtn Wilderness Area. 1951 Comment
  CDA6064  Gnaphalium stramineum T. C. Fuller 1962-8-3 9502 Siskiyou Siskiyou Mountains; 200 yards up Raggedass Gulch, east of Beaver Creek, 5 miles north of the Klamath River. 0 Comment
  CAS-BOT-BC314631  Grindelia hirsutula Copeland 1903-8-14 3884 Siskiyou Sisson Comment
  CAS-BOT-BC314627  Grindelia hirsutula Lewis S. Rose 1941-8-28 41428 Siskiyou Macdoel 1297 Comment
  CDA6053  Grindelia nana G. D. Barbe 1973-8-14 1703 Siskiyou Site of proposed quarantine station south of Mt. Shasta City, west side of Interstate 5. Comment
  SD204926  Gymnosteris parvula R. F. Thorne 1969-8-2 63392 Siskiyou Klamath Ranges region: Klamath National Forest, Salmon Mountains; Marble Mountain Wilderness, along trail to English Peak. 1159 Comment
  UCD98140  Gypsophila paniculata T. C. Fuller 1963-8-27 11160 Siskiyou n. limits of Macdoel. Comment
  HSC29273  Hackelia bella Frederick W. Oettinger 1968-8-11 476 Siskiyou High Lake Basins near English Peak; Marble Mtn. Wilderness Area: 30 yds. SE of Tom Taylor Cabin 2027 Comment
  JEPS55573  Hackelia micrantha Geo. D. Butler 1908-8-6 13 Siskiyou head of Independence Creek (Whiskey Camp); , Whiskey Camp 1676 Comment
  POM258915  Hackelia micrantha C. L. Hitchcock, J. S. Martin 1939-7-6 5219 Siskiyou On Takilma-Happy camp road. 1677 Comment
  RSA126300  Hackelia micrantha I. L. Wiggins 1955-7-29 13575 Siskiyou North-facing slope between Caribou Lake and Pass to Thompson Creek 1957 Comment
  HSC560  Hastingsia alba William J. Ferlatte 1966-8-2 230 Siskiyou Big Flat, between campground and S fork of the Salmon River 1524 Comment
  CAS-BOT-BC504597  Hastingsia alba Doris K. Kildale 1928-7-4 5503 Siskiyou Summit of divide between Sawyers Bar & Etna Comment
  CAS-BOT-BC504608  Hastingsia alba Alice Eastwood 1912-7-17 1190 Siskiyou Sisson Comment
  HSC19533  Hastingsia alba J. O. Sawyer 1969-7-10 1288 Siskiyou E facing slope W of S Sugar Lake 2226 Comment
  CAS-BOT-BC302427  Hazardia whitneyi Louis C. Wheeler 1934-8-5 3045 Siskiyou Klamath National Forest. Condrey Mt. 2164 Comment
  HSC29097  Hazardia whitneyi var. discoidea Frederick W. Oettinger 1968-9-3 684 Siskiyou Marble Mtn. Wilderness Area, above Horse's Hole near Horse Range Lake 1829 Comment
  JEPS116588  Hazardia whitneyi var. discoidea Julie Kierstead Nelson with Rhonda Posey, Ross Olson 2007-8-1 2007 -026 Siskiyou The Eddys, west of Mt. Shasta. East side of Toad Lake, headwaters of Middle Fork of upper Sacramento River Mt. Eddy 2103 Comment
  RSA237440  Hazardia whitneyi var. discoidea Frederick W. Oettinger 1968-8-24 623 Siskiyou Crapo Peak Ridge above Tom Taylor Cabin. Salmon Mountains. High Lake Basin in the vicinity of English Peak. Marble Mountain Wilderness Area. 1799 Comment
  CAS-BOT-BC306365  Helenium autumnale Edward Lee 1934-8-12 1051 Siskiyou Near mouth of Walker Creek, a tributary of the Klamath River (east end of Seiad Valley) 426 Comment
  UC165252  Helenium autumnale Geo. D. Butler 1908-8-30 319 Siskiyou near Fort Jones; Scott River Comment
  CDA6452  Helenium autumnale T. C. Fuller 1963-8-27 11156 Siskiyou 0.5 mile east of the road to Etna, ca. 1 mile southeast of Greenview, Scott Valley. 0 Comment
  CAS-BOT-BC306742  Helenium bigelovii Alice Eastwood 1921-7-25 10847 Siskiyou Bigelows, McCloud River Comment
  CAS-BOT-BC383119  Helenium bigelovii Andrew Townesmith; Karen M. Meyer 2007-7-28 865 Siskiyou Shasta-Trinity National Forest. At the intersection of Forest Service route 26 and Forest Service road 40N33, 6.0 miles west of forest boundary (via route 26) 1441 Comment
  JEPS25664  Helenium bigelovii Rimo Bacigalupi with Mr. and Mrs. Van Deventer 1959-7-10 7307 Siskiyou just e Del Norte County line (4 airline mi nne of Preston Peak, watershed of Indian Creek); Siskiyou Mts., Twin Valley 1493 Comment
  SEINET10758262  Helenium bigelovii Andrew Townesmith, Karen M. Meyer 2007-7-28 Townesmith 865 Siskiyou Shasta-Trinity National Forest. At the intersection of Forest Service route 26 and Forest Service road 40N33, 6.0 miles west of forest boundary (via route 26). T39N R5W S16. 1441 Comment
  HSC81556  Helianthella californica var. nevadensis Thomas W. Nelson, Jane P. Nelson 1980-7-20 6164 Siskiyou Above and to SE of Big Carmen Lake 1738 Comment
  RSA68881  Helianthella californica var. shastensis A. E. Culbertson 1943-7-1 75 Siskiyou Castle Lake, in a north facing cirque with an abrupt 1000' backwall; 14 miles S.W. of Mt. Shasta on N. side of a 6600 eastern spur of Trinity Mts.; 2000' above Sacramento. within 10 air miles of its headwaters to the west. Comment
  CAS-BOT-BC305578  Helianthus bolanderi W. R. Dudley 1899-8-25 s.n. Siskiyou Gazelle Comment
  CHSC91351  Heliotropium curassavicum Lowell Ahart; John Dittes 2005-6-9 12038 Siskiyou Rocky hill, about 20 yards north of where cattle water in the Shasta River, about 3/5 mile (air) south of Highway 99/97 Cutoff, about 2 1/2 miles (air) east-southeast of Grenada. 774 Comment
  CHSC30914  Hemizonella minima M. S. Taylor 1980-7-8 3113 Siskiyou On ridge s of Castle Lake, above Hearts lake. 2016 Comment
  UC144250  Hemizonella minima A. A. Heller 1905-6-13 8016 Siskiyou near Mott Comment
  CDA3752  Hesperis matronalis William J. Ferlatte 1990-5-23 Siskiyou Old Edgewood Road near railroad undercrossing, Edgewood. 0 Comment
  UC163843  Hesperochiron pumilus Geo. D. Butler 1910-5-10 1326 Siskiyou Goosenest foothills 1676 Comment
  UCD20354  Hesperochiron pumilus Jodi Notah 2002-5-30 s.n. Siskiyou Siskiyou county, 2 miles south of Grenada, just west of Interstate 5. Comment
  UC890667  Heterocodon rariflorum A. A. Heller 1916-6-20 12410 Siskiyou ne base Mt. Eddy (Metcalf's ranch) 1188 Comment
  UC163946  Heterotheca oregona var. rudis Geo. D. Butler 1910-7-16 1790 Siskiyou Oro Fino Comment
  UCD77769  Heuchera cylindrica Robert E. Preston 2001-6-30 1650 Siskiyou Klamath National Forest, north slope of Rainbow Mountain, T42N R1W nw 1/4 of se 1/4 Section 14 1889 Comment
  CHSC99993  Heuchera merriamii L. P. Janeway 2008-7-26 9507 Siskiyou Klamath Ranges. Between Castle Crags, Trinity Mountains, and The Eddys; about 200 m west-southwest of Heart Lake and about 0.8 km south of Castle Lake. 1901 Comment
  JEPS101162  Heuchera merriamii Dean W. Taylor 1996-6-19 15707 Siskiyou Lime Gulch; bordering Shasta Valley (about 15 miles south of Yreka) 1188 Comment
  RSA22033  Heuchera merriamii John T. Howell 1939-8-2 14863 Siskiyou Spirit Lake, Marble Mts. Comment
  CAS-BOT-BC420701  Heuchera merriamii Louis C. Wheeler 1934-8-2 3012 Siskiyou Klamath, MDM Jaynes Canyon 2042 Comment
  CAS-BOT-BC420704  Heuchera merriamii Doris K. Kildale 1928-8-19 6542 Siskiyou Summit of divide between English Lake and Haverick Lake on trail to Marble Mt. 2194 Comment
  RSA0063197  Heuchera merriamii John T. Howell 1939-8-2 14863 Siskiyou Spirit Lake, Marble Mts. Comment
  RSA0063198  Heuchera merriamii Louis C. Wheeler 1934-8-9 3079 Siskiyou Head of Jaynes Canyon. Siskiyou Mtns. 1921 Comment
  UC618643  Hieracium albiflorum unknown 1938-7-15 11169 Siskiyou Bear Springs Mount Shasta, Bear Springs Comment
  HSC28228  Hieracium albiflorum Carl W. Mize 1972-6-8 7 Siskiyou 320 Comment
  RSA758219  Hieracium albiflorum R. F. Thorne 1969-8-2 66328 Siskiyou Klamath National Forest, Salmon Mountains, Marble Mountain Wilderness Area, high lake basins in the vicinity of English Peak Comment
  RSA95170  Hieracium bolanderi J. T. Howell 1939-8-6 15097 Siskiyou Marble Mountains Comment
  JEPS95042  Hieracium greenei Vernon Oswald and Lowell Ahart 1997-7-28 8801 Siskiyou Forest Route 15 near Grasshopper Flat 3.9 mi s of Medicine Lake Road Grasshopper Flat; Forest Route 15 1700 Comment
  OBI80263  Hieracium greenei David J. Keil, Kathleen Keil 1990-7-28 s.n. Siskiyou Marble Mountains. Klamath National Forest. Rye Patch Creek Trail. 1700 Comment
  UC1731305  Hieracium greenei Dean W. Taylor 1997-7-25 15845 Siskiyou Klamath Region, Scott Mountains, Klamath National Forest, Crater Lake in cirque above upper lake Crater Lake; Klamath Region, Scott Mountains, Klamath National Forest 2331 Comment
  UC455917  Hieracium greenei I. J. Condit 1911-7-22 Siskiyou Trail to Horse Camp; Mt. Shasta 1524 Comment
  CAS-BOT-BC318539  Hieracium greenei Wm. Bridge Cooke 1939-8-25 13919 Siskiyou Above MacBride Springs 1676 Comment
  UC481033  Hieracium nudicaule H. W. Furlong Sep 1901 Siskiyou Summit to Ager Comment
  HSC36472  Hieracium scouleri J. O. Sawyer 1969-8-1 1692 Siskiyou SE facing slope above Duck Lake Creek 1951 Comment
  UC897858  Hieracium triste John Thomas Howell 1939-8-8 15152 Siskiyou Black Mts, Marble Mts Comment
  RSA449788  Holodiscus discolor Edwin Kline 1920-6-19 s.n. Siskiyou Siskiyou Mts. Comment
  SEINET3110979  Holodiscus discolor Steve Selva, Roger Jensen 1974-8-23 42 Siskiyou Along road to Doe Flat; approx 1 mi W of Doe Flat campground. Comment
  CDA3418  Holosteum umbellatum J. G. Schieber 1978-5-3 Siskiyou Don Dysert ranch, Macdoel. 0 Comment
  JEPS93856  Holosteum umbellatum subsp. umbellatum Vernon H. Oswald and Lowell Ahart 1998-6-11 9201 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
  RSA699532  Hordeum brachyantherum Jenny Marr 1993-07 136 Siskiyou Butte Valley Wildlife Area, ~7 air miles NW of the town of MacDoel. 1350 Comment
  JEPS80525  Hordeum brachyantherum subsp. brachyantherum Gilbert Muth 1966-7-17 410 Siskiyou Marble Mountain Wilderness Area near Lookout; Marble Mountain Wilderness Area 2057 Comment
  UC1100318  Hordeum jubatum Verne Grant and Irving Schneider 1947-8-26 8302 Siskiyou lower Klamath Lake; lower Klamath Lake Comment
  CDA2201  Hordeum vulgare var. trifurcatum G. D. Barbe, J. T. Howell, T. C. Fuller 1980-4-28 2589 Siskiyou Between Old Highway 99 and railroad at Truttman Lane, 3.2 km south of Grenada. Comment
  SEINET8129204 Image available Horkelia brownii H. E. Brown 1897-1 530 Siskiyou S side of Mt. Shasta Comment
  CAS-BOT-BC143956  Horkelia daucifolia L. B. Kildale 1930-6-1 9825 Siskiyou Mill Creek near Etna Mills Comment
  CAS-BOT-BC143961  Horkelia daucifolia Alice Eastwood; John Thomas Howell 1934-4-20 1791 Siskiyou 4 miles n. of Weed Comment
  UC726315  Horkelia daucifolia A. A. Heller 1927-5-14 14384 Siskiyou Shasta Valley Comment
  CAS-BOT-BC143964  Horkelia daucifolia David D. Keck; A. Gustafsson 1938-8-8 4860 Siskiyou On hillside 0.4 mi. S. of Scott Mt. Lodge, near Mill Creek, Scott Mts. 1040 Comment
  JEPS102921  Horkelia daucifolia Thomas W. Nelson and Jane P. Nelson 1985-6-20 7848 Siskiyou near Scott Mountain Pass (Along FS road 40N08, .5 mi e of junction with SR 3); Scott Mountaio Comment
  JEPS47183  Horkelia fusca subsp. parviflora W. L. Jepson 1940-7-3 20117 Siskiyou about 5 mi se Bartle (Large meadow.); Big Bear Flat 1219 Comment
  JEPS74498  Horkelia fusca subsp. parviflora W. J. Ferlatte 1966-8-3 250 Siskiyou near public camp; Big Flat 1524 Comment
  UC415525  Horkelia fusca subsp. parviflora H. E. Brown Jul 15 1897-Jul 30 1897 Siskiyou s side Mt. Shasta; S side of Mt. Shasta, Siskiyou Co. 1524 Comment
  POM35294  Horkelia fusca subsp. parviflora E. B. Copeland 1903-9-5 3865 Siskiyou Igerna Comment
  SEINET10483364  Horkelia fusca subsp. parviflora Mary Susan Taylor 1980-8-18 Taylor 3258 Siskiyou T40N R2E sw sec 30. Shasta-Trinity Natl Forest, Yellow Pine Forest plantation, ca. 50 ft E of Hwy 15, ca. 3 mi N of it jctw ith Hwy 89, ca. 17 mi E of McCloud. With J. Prouty & E. Heinz. Comment
  UCD77781  Horkelia fusca subsp. parviflora Robert E. Preston 2001-7-21 1702 Siskiyou Klamath National Forest, near south end of Antelope Creek Meadow, T42N R1W ne 1/4 Section 12 1633 Comment
  HSC28087  Horkelia fusca var. brownii J. D. Ackerman, A. M. Montalvo 1973-7-20 105 Siskiyou 3.7 mi. W of McCloud along Hwy. 89 Comment
  POM178492  Horkelia fusca var. brownii Marcus E. Jones 1930-7-10 25377 Siskiyou Lake Tahoe Comment
  HSC27406  Horkelia fusca var. parviflora D. H. Norris, Thomas W. Nelson, S. Dowty 1971-6-23 19533 Siskiyou Snowman's Hill Summit 3 mi. W of McCloud on Hwy. 89 Comment
  CAS-BOT-BC536227  Horkelia fusca var. parviflora W. R. Dudley 1899-8-15 s.n. Siskiyou Glazier Comment
  JEPS47182  Horkelia tridentata W. L. Jepson 1940-6-30 20069 Siskiyou 6 mi e;On the McCloud River McCloud; McCloud River, Fowlers Camp, Forest Service Campground 944 Comment
  JEPS69758  Horkelia tridentata W. B. and V. G. Cooke 1972-7-6 45457 Siskiyou along Mud Creek Dam Road Mt. Shasta 10 Comment
  UC134349  Hulsea nana E. B. Copeland 1903-8-16 3832 Siskiyou Mt. Shasta 3200 Comment
  UC90396  Hulsea nana J. D. Hooker and A. Gray 1877-1 Siskiyou Shasta Comment
  HSC22099  Hydrophyllum fendleri var. albifrons J. O. Sawyer 1969-7-16 1151 Siskiyou W of Waterdog Lake 2073 Comment
  CHSC9500  Hydrophyllum occidentale J. F. Goodwin 1971-7-3 145 Siskiyou Southeast side of Castle Lake, 0.5 mi. south of Lookout Trail on east side of trail. 9.2 mi. sw of Mt. Shasta City. 1706 Comment
  CHSC106092  Hymenoxys lemmonii Lowell Ahart; John Dittes 2010-7-30 16972 Siskiyou On moist soil of riparian terraces, Shasta Big Springs Ranch, 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
  JEPS117555  Hymenoxys lemmonii Lowell Ahart, John Dittes 2010-7-30 16972 Siskiyou On moist soil of riparian terraces, Shasta Big Springs Ranch, 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
  POM67032  Hymenoxys lemmonii Geo D. Butler 1910-7-4 1640 Siskiyou Shasta River Comment
  SBBG28011  Hymenoxys lemmonii L. C. Wheeling 1934-10-21 1934 Siskiyou 4 mi E of Grenada 853 Comment
  HSC41039  Hypericum anagalloides J. O. Sawyer 1969-8-4 1911 Siskiyou N of High Lake 2043 Comment
  RSA238857  Hypericum androsaemum Frederick W. Oettinger 1966-8-7 43 Siskiyou Mouth of Tom Taylor Cabin Spring. The Salmon Mountains. The High Lake Basins in the vicinity of English peak. Marble Mountain Wilderness Area. Comment
  SEINET6178738  Hypericum perforatum Alv Dan Youngberg 1964-6-15 20 Siskiyou Growing in a grass and brush cover. Humbolt Meridian.; 0 366 Comment
  HSC100267  Hypericum scouleri J. P. Smith, , J. O. Sawyer, & R. J. Cole 2010-8-7 13053 Siskiyou Klamath National Forest, road to Crater Lake off Forest Service Road 40N24. 1860 Comment
  SEINET3157535  Hypericum scouleri G. D. Butler 1910-7-3 1627 Siskiyou Goosenest foothills 1219 Comment
  JEPS24628  Ipomopsis aggregata Rimo Bacigalupi with Drs. Reino and Aloha Alava 1958-9-1 6781 Siskiyou near beginning of road to Wagon Camp (just off Everitt Memorial Highway, lower slopes of Mt. Shasta); Mt. Shasta 1737 Comment
  JEPS82490  Ipomopsis aggregata Gilbert Muth 1965-8-6 185 Siskiyou Marble Valley and hillside Marble Mtn Wilderness Area 1792 Comment
  SJSU6075  Ipomopsis aggregata R. W. Trivelpiece 1971-7-27 62 Siskiyou near Eddy Gulch Lookout c. 4.5 mi S of Sawyers Bar on N Fork Salmon R, Salmon R Mts 1828 Comment
  RSA469532  Ipomopsis aggregata M. B. Dunkle 1944-7-14 9133 Siskiyou Siskiyou National Forest, Sierra Nevada Mountains. 1767 Comment
  UC1409307  Ipomopsis aggregata Frederick W. Oettinger 1968-8-17 551 Siskiyou Pine Trail Salmon Mountains, Marble Mountain Wilderness Area, English P 2072 Comment
  HSC98031  Ipomopsis aggregata subsp. formosissima Thomas W. Nelson, Sydney Carothers 2005-7-17 9389 Siskiyou Along the W side of Hwy. 3 at the junction of F. S. Rd. 40N43. 1220 Comment
  RSA114972  Ipomopsis aggregata subsp. formosissima E. K. Balls, Lee W. Lenz 1956-6-18 21803 Siskiyou 4.4 mi. e. of McCloud, State Hwy. 89 1037 Comment
  RSA469557  Ipomopsis congesta M. B. Dunkle 1945-1 9350 Siskiyou Klamath National Forest, Marble Mountains 2439 Comment
  JEPS82687  Iris tenuissima subsp. tenuissima Wayne Roderick 1984-6-5 Siskiyou ca. 12 air km. s.w. Mt. Shasta city (below Castle Lake) 1676 Comment
  RSA724919  Isatis tinctoria L. P. Janeway 2006-7-3 8777 Siskiyou Klamath Ranges. Salmon Mtns; along the main road across steep slope north above upper Carter Meadows. 1847 Comment
  SDSU2432  Isatis tinctoria D. F. Howe 1977-7-2 4983 Siskiyou 7 miles west of Fort Jones on Scott River road. 671 Comment
  RSA299460  Isatis tinctoria J. P. Smith 1973-5-5 6526 Siskiyou Scott Bar along the Scott River. Comment
  HSC91425  Isoetes bolanderi Jennifer Whipple 1977-8-6 2245 Siskiyou Dale Creek drainage on the N face of Mt. Eddy 2195 Comment
  CAS-BOT-BC324838  Iva axillaris Geo. D. Butler 1910-9-12 1874 Siskiyou Near Lower Klamath Lake 1219 Comment
  SEINET8463956  Ivesia pickeringii D. W. Taylor 1996-7-11 15781 Siskiyou Scott Mountains, West Fork Parks Creek (about 15 air miles West of Stewart Springs) Shasta-Trinity National Forest 1329 Comment
  CAS-BOT-BC110015  Juncus Elizabeth McClintock; Wayne Roderick; Martha Roderick 1967-7-29 s.n. Siskiyou Trinity Mountains. Mumbo Basin. 1828 Comment
  CAS-BOT-BC110022  Juncus Melissa A. Berry 1957-7-11 s.n. Siskiyou Parrott Mill Road, vicinity of Callahan. 1066 Comment
  RSA298329  Juncus bolanderi J. P. Smith, Steve Selva 1970-6-15 3923 Siskiyou 10 miles northwest of Forks of Salmon. Comment
  HSC76689  Juncus drummondii K. T. Stillman 1976-7-30 313 Siskiyou Marble Mountain Wilderness Area, trail from Big Rock Camp to Jump off. 1982 Comment
  UC1265305  Juncus drummondii Frederick W. Oettinger 1968-8-2 360 Siskiyou e shore Diamond Lake; Salmon Mountains, Marble Mountain Wilderness Area, English P 2072 Comment
  HSC77133  Juncus effusus subsp. pacificus L. P. Janeway 1983-9-23 694 Siskiyou Along edge of FS Rd. 18N33, 6 mi. from the Grayback Rd. 1433 Comment
  UC1108536  Juncus ensifolius Ira L. Wiggins 1955-7-21 13430 Siskiyou 7 mi above Cecilville (near Mt. View Ranch); South Fork of Salmon River 975 Comment
  UC1748283  Juncus ensifolius Rhonda Posey 2000-8-17 Siskiyou about 3.5 mi NE of McCloud District Ranger Station, McCloud ( at Mud Creek Meadows, along Road 42N13 (Pilgrim Creek Road)) 1097 Comment
  CAS-BOT-BC110802  Juncus mertensianus John Thomas Howell 1937-7-22 13271 Siskiyou South Fork of Salmon River near Big Flat. 1524 Comment
  CAS-BOT-BC127621  Juncus mertensianus Robert F. Thorne; Fred Oettinger 1969-8-10 38954 Siskiyou Mount Shasta National Forest. South slope of Mount Shasta, Panther Creek Meadows. 2194 Comment
  HSC39847  Juncus mertensianus J. O. Sawyer 1969-7-12 1348 Siskiyou Edge of Sugar Lake 1799 Comment
  CAS-BOT-BC127624  Juncus mertensianus Jennifer Whipple 1976-7-1 1243 Siskiyou Mount Eddy. Klamath Mountains. Near Durney Lake. 2194 Comment
  RSA238911  Juncus nevadensis Frederick W. Oettinger 1968-8-2 351 Siskiyou Slope just SW of Diamond Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2073 Comment
  CHSC40144  Juncus parryi L. P. Janeway 1983-8-13 532 Siskiyou NE of Preston Peak. On s side and above S Fk Indian Cr. 1463 Comment
  HSC92705  Juncus parryi Jennifer Whipple 1978-10-6 2394 Siskiyou Primarily N facing slopes in the Eddy Creek drainage. 2317 Comment
  JEPS63860  Juncus parryi B. C. Goldsmith 1916-9-29 35 Siskiyou Medicine Lake Comment
  UCD77271  Juncus parryi Robert E. Preston 2001-6-23 1580 Siskiyou Klamath National Forest, n slope of Rainbow Mtn, at Hemlock Lake. 1889 Comment
  UC1190203  Juncus tenuis Ira L. Wiggins 1955-7-21 13429 Siskiyou 7 mi above Cecilville (near Mt. View Ranch); South Fork of Salmon River 975 Comment
  HSC40469  Juniperus communis var. jackii J. O. Sawyer 1973-7-18 2553 Siskiyou 1524 Comment
  RSA233708  Juniperus communis var. montana Robert F. Thorne, Fred Oettinger 1969-8-10 39011 Siskiyou Mt. Shasta National Forest: S slope of Mt. Shasta. 2439 Comment
  CAS-BOT-BC81221  Juniperus occidentalis Copeland 1903-7-4 3545 Siskiyou Klamatha 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
  HSC1277  Juniperus occidentalis D. M. Thomson 1965-8-7 175 Siskiyou California Lava Beds National Monument; 1 mile up Cave Loop Trail. Near Catacombs Cave. Comment
  SD112325  Juniperus occidentalis Darley F. Howe 1961-8-3 3129 Siskiyou 56.5 miles east of Happy Camp, north of Klamath River 609 Comment
  UC1037460  Juniperus occidentalis Douglas Barbe 1955-6-28 19 Siskiyou 0.6 mi n Callahan (50 yds from the road in a dry gulch); Klamath Mountains 1036 Comment
  UC637102  Juniperus occidentalis Edward Lee 1934-8-9 1014 Siskiyou 6 mi n Yreka (above creek); Shasta Creek Comment
  NY20197  Juniperus occidentalis M. P. Anderson 1902-3-4 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
  RSA123373  Juniperus occidentalis var. occidentalis H. A. Jensen 1934-8-29 384 Siskiyou Cedar Park School 884 Comment
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  SEINET11058377  Juniperus occidentalis var. occidentalis D. Charlet, T. Charlet 1996-11-25 2346 Siskiyou Siskiyou Mountains., Klamath River, S slope above and N of river. 585 Comment
  HSC30572  Kalmia polifolia Frederick W. Oettinger 1967-7-20 181 Siskiyou Marble Mountain Wilderness Area, High Lake Basins, E bank of Diamond Lake 2073 Comment
  HSC4847  Kalmia polifolia J. O. Sawyer 1968-7-9 427 Siskiyou W of Little Duck Lake. 1936 Comment
  RSA293279  Keckiella corymbosa D. C. Michener 1980-8-3 3772 Siskiyou Klamath Mtns. Along the Klamath River and CA 96, 5.5 miles south of Happy Camp [from jct with Elk Creek Rd.] 350 Comment
  RSA239005  Keckiella corymbosa Frederick W. Oettinger 1966-7-19 31 Siskiyou North river bank of South Fork of Salmon River, 100 yards downstream from rock cut by river. Comment
  CAS-BOT-BC246177  Keckiella lemmonii A. A. Heller 1916-7-23 12493 Siskiyou Dunsmuir, along the road 640 Comment
  JEPS12483  Kelloggia galioides Geo. D. Butler May 1908 415 Siskiyou Cold Spring Camp; Wooley Creek 1676 Comment
  RSA82883  Kelloggia galioides J. M. Tucker 1950-7-24 1948 Siskiyou Beside Hwy 89. 7.5 miles E of McCloud. Comment
  SBBG7335  Kelloggia galioides H. and M. Dearing 1938-6-27 2177 Siskiyou 5 mi E of McCloud, (Fowler Public Camp) Comment
  UC618723  Kelloggia galioides unknown 1938-6-24 11078 Siskiyou MacBride Spring; Mount Shasta Comment
  UCD121979  Kelloggia galioides Alfred H. Murphy 1961-7-19 61 -I Siskiyou Marble Mountains, Klamath National Forest. North end Sky High Valley. 1584 Comment
  HSC77093  Kelloggia galioides K. T. Stillman 1976-8-7 363 Siskiyou Marble Mtn. Wilderness Area, trail to Marble Valley Guard Station Comment
  CAS-BOT-BC499655  Kopsiopsis strobilacea J. H. Thomas 1954-5-14 4184 Siskiyou Salmon Mountains, Klamath National Forest (sw part of county). Near South Fork of Salmon River, 5--9 mi SE of Cecilville, along N side of river 1219 Comment
  CAS-BOT-BC340611  Lactuca serriola R. E. Frenkel 1964-10-2 872 Siskiyou On north-east side of Everitt Memorial Highway near Mount Shasta 1615 Comment
  CDA7519  Lactuca tatarica subsp. pulchella T. C. Fuller 1967-8-15 16260 Siskiyou 4 miles northeast of Macdoel. 0 Comment
  CAS-BOT-BC204929  Lathyrus Mrs. H. C. Cantelow 1936-5-20 s.n. Siskiyou North slope of Scott Mt. Comment
  RSA68869  Lathyrus nevadensis subsp. lanceolatus A. E. Culbertson 1943-7-1 87 Siskiyou Castle Lake, in a north facing cirque with an abrupt 1000 backwall; 14 miles S.W. of Mt. Shasta on N. side of a 6600 eastern spur of Trinity Mts.; 2000 above Sacramento. within 10 air miles of its headwaters to the west. Comment
  RSA48214  Lathyrus pauciflorus subsp. brownii Roxana S. Ferris, Laura Lorraine, R. T. Ferris 1948-6-12 11809 Siskiyou At Mule Creek crossing of Scott Mountain Road. 1524 Comment
  CAS-BOT-BC245660  Lemna turionifera Douglas Barbe 1955-6-29 050 Siskiyou 4.1 mi. southeast of Etna on the Eastside Rd. 914 Comment
  CAS-BOT-BC88860  Lepidium campestre Ira L. Wiggins 1950-5-27 12355 Siskiyou Banks of east fork of Scott River at Callahan Ranger Station. 975 Comment
  UCD18220  Lepidium campestre Joe Ditomaso 2001-5-22 s.n. Siskiyou near Hwy 89, 2 miles W of McCloud. Comment
  CAS-BOT-BC89827  Lepidium montanum A. A. Heller 1905-6-19 8068 Siskiyou Shasta Valley near Grenada Station. Comment
  NY76370  Lepidium montanum var. montanum A. Wood 1866-1 984 Siskiyou Shasta Plains, North of Mt. Shasta, 25 m from Yreka Comment
  CHSC86463  Lepidium perfoliatum Jenny Marr 1993-7-1 80 Siskiyou Butte Valley Wildlife Area, +/- 7 air miles NW of the town of MacDoel. Meadow NE of Meiss Lake. 1349 Comment
  CAS-BOT-BC12997  Lepidium virginicum Edward Lee 1934-8-10 1020 Siskiyou South bank of Klamath River between McKinney and Parkhouse creeks (near Hamburg). 609 Comment
  JEPS69868  Leptodactylon pungens Frank W. Peirson 1923-7-19 3809 Siskiyou w foot Mt. Shasta (road crossing of Whitney Creek); , Whitney Creek Comment
  POM43381  Leptosiphon bolanderi Geo D. Butler 1910-4-14 1172 Siskiyou Dry hills, Yreka. Comment
  RSA756937  Leptosiphon ciliatus R. F. Thorne 1969-8-2 63347 Siskiyou Klamath National Forest, Salmon Mountains, Marble Mountain Wilderness Area, high lake basins in the vicinity of English Peak 1159 Comment
  HSC45901  Leptosiphon nuttallii Laura Witherspoon 1978-8-18 103 Siskiyou Klamath National Forest, Rd. to Baal Mtn. Lookout 2134 Comment
  JEPS88040  Lessingia nemaclada S. Markos 1996-7-28 134 Siskiyou On Caribou Rd. at the petersberg Fire Station Cecilville; Klamath National Forest Comment
  RSA507783  Lessingia nemaclada J. C. Semple, S. Heard 1986-8-16 8467 Siskiyou CA-96, 1.6 km west of Horse Creek, before CA-3 Comment
  UC1034604  Leucanthemum vulgare Douglas Barbe 1955-6-29 46 Siskiyou 1.8 mi e of Callahan; Scott River 975 Comment
  CAS-BOT-BC508377  Leucocrinum montanum W. B. Cooke; V. G. Cooke 1979-6-1 s.n. Siskiyou South end of Shasta Valley, north of US-97 1143 Comment
  RSA158035  Leucophysalis nana Jack Major 1961-7-14 637 Siskiyou Along old road to Panther Creek, Mount Shasta. 1800 Comment
  HSC755  Leucothoe davisiae William J. Ferlatte 1967-7-26 739 Siskiyou Caribou Basin 1982 Comment
  SJSU6542  Leucothoe davisiae R. W. Trivelpiece 1973-6-22 153 Siskiyou trail to Big Duck Lakes, Scott R drainage c. 7 mi W of Callahan 1920 Comment
  UC1409437  Leucothoe davisiae Frederick W. Oettinger 1968-8-1 347 Siskiyou at n end of Little Hancock Lake, in vicinity of English Peak, Salmon Mountains, Marble Mountain Wilderness Area Little Hancock Lake; Salmon Mountains, Marble Mountain Wilderness Area, Little Ha 2042 Comment
  RSA464464  Lewisia cotyledon M. B. Dunkle 1945-7-19 9227 Siskiyou Marble Valley Summit; rocky ridge. Comment
  RSA183431  Lewisia cotyledon var. cotyledon J. M. Tucker 1963-7-7 3713 Siskiyou In vicinity of Paradise Lake, at base of Kings Castle on the east side, Marble Mountain Wilderness Area. 1982 Comment
  CAS-BOT-BC444043  Lewisia cotyledon var. cotyledon Grace Wood 1919-5-9 s.n. Siskiyou Oak Bar Comment
  CAS-BOT-BC444076  Lewisia leeana R. F. Thorne; Frederick W. Oettinger 1969-8-4 63370 Siskiyou Klamath National Forest, Salmon Mountains, Marble Mountain Wilderness Area, high lake basins in the vicinity of English Peak. SE side of Diamond Lake 2072 Comment
  CAS-BOT-BC444193  Lewisia nevadensis G. J. Muth 1969-8-8 1294 Siskiyou Gap Meadow, Boulder Peak Ridge 2286 Comment
  UC796570  Lewisia rediviva Roxana S. Ferris and Laura Lorraine Jun 12 1948-Jun 16 1948 11715 Siskiyou Schoolhouse Hill Plowman's Valley (Noyes Valley), e. fork of Scott River Comment
  CAS-BOT-BC283813  Leymus cinereus Geo. D. Butler 1910-6-13 1561 Siskiyou Near Yreka Comment
  HSC410  Ligusticum californicum William J. Ferlatte 1967-8-23 1098 Siskiyou Head of Kidd Creek 2256 Comment
  UCR37840  Ligusticum californicum L. P. Janeway 1983-8-28 632 Siskiyou Poker Flat 1529 Comment
  RSA453851  Ligusticum californicum M. B. Dunkle 1945-07 9256 Siskiyou Klamath National Forest; Marble Mts. Comment
  SEINET6633383  Ligusticum californicum J. M. Tucker 1963-1 3786 Siskiyou headwaters of Canyon Creek, ca. 1/2 mile northeast of Marble Valley Guard Station, Marble Mountain Wilderness Area 1920 Comment
  JEPS121617  Ligusticum grayi Kendra Sikes 2011-9-13 Siskiyou Sundew Fen, Caldwell Lakes Basin, headwaters of Park Creek, east slope of China Mountain. Sloping wet meadow, over gabbro, SE aspsect. China Mountain quadrangle. CLS_1D Comment
  JEPS61987  Lilium columbianum George Butler 1908-8-3 115 Siskiyou Shackleford Creek; w Siskiyou County Comment
  CAS-BOT-BC130812  Lilium pardalinum H. A. Thomas; J. H. Thomas 1954-7-21 4412 Siskiyou Salmon - Trinity Mts. About 6 miles SE of Cecilville. West side of Rush Creek 1158 Comment
  CAS-BOT-BC130825  Lilium pardalinum Wm. Bridge Cooke 1938-7-15 11197 Siskiyou Bear Springs, also at Wagon Camp Comment
  SEINET8264767  Lilium pardalinum Lincoln Constance 1928-6-9 Siskiyou Weed. Comment
  HSC69173  Lilium pardalinum subsp. pardalinum Maralyn A. Renner 1980-8-6 2332 Siskiyou Cracker Meadow 1555 Comment
  RSA184800  Lilium pardalinum subsp. vollmeri Gilbert Muth 1966-7-19 422 Siskiyou Marble Gap Trail. Along first bluff. Marble Mountains. 1829 Comment
  POM267240  Lilium washingtonianum Marion Ownbey, Fred G. Meyer 1940-7-6 2196 Siskiyou Summit of Cayenne Ridge, Marble Mountain Comment
  RSA12671  Lilium washingtonianum Carl B. Wolf 1934-7-6 6024 Siskiyou Southwest slope of Mt. Shasta along trail to Horse Camp 1524 Comment
  HSC33339  Lilium washingtonianum subsp. purpurascens William J. Ferlatte 1974-7-25 1583 Siskiyou Yellow Rose Mine 2073 Comment
  RSA184814  Lilium washingtonianum subsp. purpurascens Gilbert Muth 1966-7-29 133 Siskiyou Marble Valley, near marble, Marble Mountain 1793 Comment
  SD257342  Limnanthes alba Peter F. Zika 2012-5-14 25855 Siskiyou I-5 southbound, one road mile N of (and above) exit 724 for Castella, Cascade Range Highlands (CaRH) 665 Comment
  UC602588  Linanthus harknessii unknown 1937-8-6 9191 Siskiyou Mt. Shasta 1524 Comment
  UCD77820  Linanthus pungens Robert E. Preston 2003-7-29 2171 Siskiyou Rainbow Mountain and Vicinity. Summit of Rainbow Mountain. 2323 Comment
  CDA6300  Linaria genistifolia subsp. dalmatica William J. Ferlatte 1971-6-28 Siskiyou Side of alley behind 22 Minnesota Street, McCloud. 0 Comment
  CAS-BOT-BC240389  Linnaea borealis subsp. longiflora Wm. Bridge Cooke 1940-6-6 15043 Siskiyou Along the Castle Lake Road Comment
  HSC76987  Linum lewisii K. T. Stillman 1976-6-25 66 Siskiyou Marble Mtn. Wilderness Area 1829 Comment
  UC535885  Linum lewisii Elmer I. Applegate 1923-8-20 3898 Siskiyou Medicine Lake Comment
  CHSC1014  Linum lewisii var. lewisii V. Holt 1932-7-7 Siskiyou Mt. Eddy 1524 Comment
  RSA789789  Linum lewisii var. lewisii Rebecca Wenk 2005-7-15 205 Siskiyou Trinity Alps, above South Fork of the Salmon River, along the Yellow Rose Mine trail. Top of pass between Yellow Rose and Dorleska mines. 2134 Comment
  CAS-BOT-BC36009  Lithocarpus densiflorus var. densiflorus Marion Ownbey; Fred G. Meyer 1940-7-8 2231 Siskiyou Siskiyou Mountains, 17 miles north of Happy Camp. Comment
  UC484041  Lithocarpus densiflorus var. echinoides Carl B. Wolf 1930-10-27 Siskiyou Hazelview Summit; Siskiyou Mtns. 742 Comment
  CAS-BOT-BC435473  Lithophragma glabrum Ira L. Wiggins 1959-5-28 12389 Siskiyou .3 mi. W of Carmen Lake 1706 Comment
  HSC22237  Lithophragma heterophyllum J. O. Sawyer 1969-7-11 863 Siskiyou Ravine above C.C.C. road. 1280 Comment
  CAS-BOT-BC317337  Lithospermum californicum Antone J. Soares 1922-6-1 8553 Siskiyou Shasta Springs Comment
  CAS-BOT-BC325943  Lithospermum californicum A. M. Vollmer; L. Beane 1951-6-2 81 Siskiyou Happy Camp, Klamath River Highway Comment
  RSA77576  Lithospermum ruderale F. W. Peirson 1923-7-20 3823 Siskiyou Whitney Creek, Shasta Region. Comment
  UCD66313  Lolium perenne A. A. Beetle; G. L. Stebbins Jr. 1942-5-31 3425 Siskiyou 3 miles south of Yreka. Comment
  UC1211906  Lomatium californicum Roy L. Taylor 1960-6-12 4438 Siskiyou n. Yreka (1 mi. w. of junction of Hwy. 96 (Klamath R. rd.) and Hwy. 99, hillsides above Klamath R.) Comment
  HSC22216  Lomatium macrocarpum J. O. Sawyer 1969-8-2 1711 Siskiyou Summit W of Little Duck Lake 2409 Comment
  HSC38864  Lomatium nudicaule J. P. Smith 1973-5-5 6463 Siskiyou Along Cook and Green Pass Rd. Comment
  RSA78822  Lomatium nudicaule P. A. Munz 1952-7-2 17900 Siskiyou Baldy Mountain about 6 air miles west of Happy Camp, Siskiyou Mountains 1738 Comment
  UC923168  Lomatium nudicaule Freed W. Hoffman 1950-7-11 3279 Siskiyou Elk Valley rd. 2.1 mi. from junction with Klamath R. hwy. (w. Siskiyou Co.); North Coast Ranges, w. Siskiyou Co. 457 Comment
  UC640623  Lomatium peckianum Alice Eastwood and John Thomas Howell 1934-4-20 1785 Siskiyou 4 mi. n. Weed Comment
  HSC46209  Lomatium piperi Jennifer Whipple 1976-5-2 912 Siskiyou Scott Valley near Weston Gulch on open hillsides 854 Comment
  SEINET11131417  Lomatium triternatum var. triternatum G. D. Butler 1910-5-21 1380 Siskiyou Klamath Hills Comment
  UC1565567  Lomatium vaginatum W. J. Ferlatte 1989-5-16 2125 Siskiyou intersection of York & Malloy rds. 813 Comment
  HSC4903  Lonicera conjugialis J. O. Sawyer 1968-6-18 217 Siskiyou Headwaters of Blake's Fork of S Russian Creek. 1738 Comment
  RSA238544  Lonicera conjugialis Frederick W. Oettinger 1967-8-21 318 Siskiyou Due NW of Pine Lake in Pine Lake Basin. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. Comment
  UC28758  Lonicera conjugialis Milo S. Baker 1893-8-9 Siskiyou Medicine Lake Comment
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Jun 7 2008
  CAS-BOT-BC240640  Lonicera hispidula D. H. Norris 1970-5-23 12244 Siskiyou Along Klamath River at Ishi Pishi Bridge near Somes Bar Comment
  HSC65084  Lonicera hispidula var. vacillans J. P. Smith, Steve Selva 1970-6-14 3885 Siskiyou 1 mi. E of Steinacher Creek Rd. on Rd. to Forks of Salmon Comment
  CAS-BOT-BC240851  Lonicera interrupta L. E. Smith 1913-11-12 570 Siskiyou Yreka Comment
  CDA15534  Lotus crassifolius G. F. Hrusa 1998-7-5 14702 Siskiyou Siskiyou Mountains; Cedar Camp Rd. +- 5 mi. E of Weitchpec on Hwy 96. N side of Hwy. Mile 8.8. Comment
  JEPS64879  Lotus crassifolius var. crassifolius W. L. Jepson Jul 1 1894-Aug 1 1894 13783 Siskiyou Sisson Comment
  CDA27213  Lotus humistratus D. Osterhandt, Don Shaw 1978-5-18 Siskiyou Vicinity of Forks of Salmon. 0 Comment
  UC81102  Lotus micranthus Katharine Brandegee Jul 1887 Siskiyou Sisson Comment
  UC1299179  Lotus nevadensis var. nevadensis Freed W. Hoffman 1950-7-14 3628 Siskiyou Baldy Mountain, w Siskiyou County North Coast Ranges Comment
  UC144518  Lotus nevadensis var. nevadensis A. A. Heller 1905-6-8 8000 Siskiyou Yreka Comment
  RSA119372  Lotus oblongifolius S. S. Tillett 1956-7-9 652 Siskiyou Above Masterson Meadow, e. side of Scott Mtn., Siskiyou-Trinity Co. line, ca. 8 mi. se of Callahan. 1890 Comment
  SFV5182  Lotus oblongifolius B. C. Templeton 1960-6-21 8558 Siskiyou Klamath Mountains Near the top of Scott Mountain. On mountain slopes. 1645 Comment
  CAS-BOT-BC140208  Luetkea pectinata Annie M. Alexander; Louise Kellogg 1949-7-22 5838 Siskiyou On trail to Kings Castle, Paradise Lake, Marble Mountains 1996 Comment
  HSC60910  Luetkea pectinata Al Hobart Siskiyou Black Butte Comment
  RSA211466  Luetkea pectinata William J. Ferlatte 1966-8-5 343 Siskiyou Caribou Mtn., Open granite slopes and ridges. Near summit. 2470 Comment
  RSA215614  Luetkea pectinata Gilbert Muth 1969-8-10 1330 Siskiyou Ridge W of Boulder Peak. 2348 Comment
  UC1409366  Luetkea pectinata Frederick W. Oettinger 1968-8-2 356 Siskiyou se corner Diamond Lake (vicinity of English Peak, w Siskiyou County); Salmon Mountains, Marble Mountain Wilderness Area 2072 Comment
  UCR110581  Luetkea pectinata L. C. Wheeler 1963-8-25 8274 Siskiyou Preston Peak: Summit ridge 2134 Comment
  UC609335  Luetkea pectinata Eleanor Burks Hart 1938-8-20 937 Siskiyou n slope Red Cap 2225 Comment
  HSC57385  Luina hypoleuca Overton, Butler 1979-7-26 10112 Siskiyou Near Salmon Mtn., close to the town of Forks of Salmon 2104 Comment
  CAS-BOT-BC342566  Luina hypoleuca Doris K. Kildale 1928-8-19 6526 Siskiyou Trail between English Lake & Hancock Lake on way to Marble Mt. 2133 Comment
  SBBG3502  Lupinus albicaulis H. and M. Dearing 1939-6-19 3680 Siskiyou high up French Crk 914 Comment
  LA205031  Lupinus albicaulis Wm. Bridge Cooke; 1938-8-12 11464 Siskiyou Mount Shasta, along the Wagon Camp-Horse Camp Trail 1828 Comment
  SEINET10484530  Lupinus albicaulis var. shastensis Emmel 1974-7-20 EMMEL 519 Siskiyou Slope 0.6 air miles ese of dry lake lookout, along road between dry lake Lookout and deer camp, siskiyou mountains. T47n,r9w,sec.19 se 1/4. Montane Conifer forest. In open areas of recently logged forest. Perennial. 2.5 Ft High. 2.5 Ft wide. Abundant. Plebejus icarioides ssp & lycaeides argyrognomon Ricei adults closely associated with this plant (lepidoptera; lycaenidae) 1890 Comment
  CHSC67492  Lupinus albifrons James D. Jokerst 1992-7-30 3422 Siskiyou Top of divide between Trinity River, summit of reddish mountain S of road crossing saddle. Comment
  UC640281  Lupinus albifrons H. and M. Dearing 1939-6-4 3544 Siskiyou Fort Jones Comment
  UC1542837  Lupinus andersonii K. Morris, Dunn and Kenney 1973-5-25 272 Siskiyou 20.7 mi E of McCloud on Highway 89. Comment
  CHSC69078  Lupinus angustiflorus Vernon Oswald; Lowell Ahart 1997-7-28 8796 Siskiyou Bullseye Lake southeast of Medicine Lake. 2057 Comment
  JEPS95095  Lupinus angustiflorus Vernon Oswald and Lowell Ahart 1997-7-28 8796 Siskiyou Bullseye Lake se of Medicine Lake; Bullseye Lake 2057 Comment
  CAS-BOT-BC8427  Lupinus argenteus Amos Arthur Heller 1905-6-9 8015 Siskiyou Montague Comment
  HSC26149  Lupinus breweri J. P. Smith, J. O. Sawyer, Maralyn O'Meara 1972-7-3 5690 Siskiyou E slope of Kangaroo Mtn. above Toehead Lake. 1890 Comment
  SEINET10490581  Lupinus breweri var. breweri Ruth P. Ownbey 1938-7-20 Ownbey 1763 Siskiyou Open gravelly slopes near dry lake lookout, summit of the siskiyou mts., Siskiyou co., Calif. Comment
  CAS-BOT-BC215199  Lupinus croceus F. J. Kirby 1958-7-1 1195 Siskiyou At summit, 10 miles S of Callahan 1524 Comment
  SD125501  Lupinus klamathensis Melvin L. Conrad, D. B. Dunn, P. Kenney 1973-6-2 6972 Siskiyou 1.1 mile from I-5 on Hwy 3 SW of Yreka, in open exposed area, gravelly roadside 914 Comment
  HSC61902  Lupinus latifolius Ruby Van Deventer 1960-7-13 Siskiyou Poker Flat 1585 Comment
  RSA237938  Lupinus latifolius subsp. viridifolius Frederick W. Oettinger 1969-7-13 1006 a Siskiyou The High lake Basins in the vicinity of English Peak Marble Mountain Wilderness Area, slope north of Upper English Lake. 1951 Comment
  UC1409330  Lupinus latifolius var. viridifolius Frederick W. Oettinger 1968-9-7 768 Siskiyou Upper meadow near Tobacco Lake (High Lake Basins in the vicinity of English Peak, Marble Mountain Wilderness Area); Salmon Mountains, Marble Mountain Wilderness Area 1889 Comment
  UC338124  Lupinus lepidus var. confertus J. G. Lemmon Siskiyou near Edgwood; near Edgwood Comment
  UC1034595  Lupinus lepidus var. sellulus Douglas Barbe 1955-7-1 66 Siskiyou 0.5 mi e Etna; Klamath Mountains Comment
  UC563132  Lupinus lepidus var. sellulus Elmer I. Applegate 1923-8-17 3846 Siskiyou w end Medicine Lake; w end of Medicine Lake 1981 Comment
  UC60887  Lupinus lepidus var. sellulus W. A. Setchell, C. C. Dobie 1902-7-15 Siskiyou Sisson Mount Shasta (Mount Shasta); , Sisson Comment
  CAS-BOT-BC94480  Lupinus lepidus var. sellulus R. C. Wenk 2005-7-19 350 Siskiyou border between Siskiyou and Trinity Counties, National Forest Road 17, N side of road, across from parking lot where 2090 Comment
  UCD108577  Lupinus lepidus var. sellulus Freed W. Hoffman 1948-7-13 2652 Siskiyou north of Tennant on Butte Creek road. 1295 Comment
  UC796433  Lupinus leucophyllus Roxana S. Ferris and Laura Lorraine Jun 12 1948-Jun 16 1948 11824 Siskiyou Lower Plowman's [Noyes] Valley e Fork of Scott River (e Fork of Scott River); , Lower Plowman's [Noyes] Valley 1127 Comment
  RSA749105  Lupinus leucophyllus R. Riggins 1993-6-17 1687 Siskiyou Loose gravelly loam along CA 263, ca. 1 mi N jct. CA 96, 0.5 mi. S jct. I5 Comment
  POM25660  Lupinus luteolus Geo. D. Butler 1908-6-23 375 Siskiyou Dry land near Yreka. Comment
  RSA413776  Lupinus luteolus Bonnie C. Templeton 1960-6-21 8531 Siskiyou Between California State line and the Agricultural Inspection Station Comment
  RSA105766  Lupinus obtusilobus W. Bridge Cooke 1938-8-21 11545 Siskiyou Horse Camp Mt. Shasta. 2591 Comment
  SEINET10862660 Image available Lupinus onustus A. Arthur Heller 1905-6-15 Heller 8037 Siskiyou Near Sisson. Comment
  RSA183652  Lupinus polyphyllus subsp. superbus Gilbert Muth 1965-8-6 188 Siskiyou Marble Mountains; backside of Black Mountain Comment
  RSA582428  Lupinus rivularis Louis C. Wheeler 1935-7-23 3679 Siskiyou Head W. Fk. Beaver Creek. 1646 Comment
  POM228985  Lupinus sellulus subsp. sellulus Louis C. Wheeler 1935-6-13 3582 Siskiyou N side Scott River, Scott Bar Mts. 823 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
  RSA263039  Lupinus sellulus subsp. sellulus David B. Dunn, Paul Gallian 1971-6-9 17931 Siskiyou 5 mi. S of Macdoel, on U. S. Hwy 97. 1159 Comment
  SEINET10490223  Lupinus sellulus var. artulus Sawyer 1977-6-21 SAWYER 2982 Siskiyou Dillon mtn quad. Crests and meadows near prescott peak. 1676 Comment
  RSA183653  Lupinus sellulus var. lobbii Gilbert Muth 1965-8-12 211 Siskiyou 2/3 up meadow on back of Black Mountain. Comment
  HSC22266  Luzula parviflora J. O. Sawyer 1969-6-12 897 Siskiyou Along CCC rd. just S of Sugar Creek 1463 Comment
  JEPS84031  Luzula parviflora L. R. Heckard with S. D'Alcamo, J. Hickman 1986-7-16 6414 Siskiyou ca 5 mi n of the town Seiad Valley (e slope Kangaroo Mountain, cirque at head of Hell's Canyon); e slope Kangaroo Mountain, cirque at head Hell's Canyon 1828 Comment
  UCR142987  Luzula parviflora L. C. Wheeler 1934-8-17 3184 Siskiyou Siskiyou Mtns., north side of White Mtn 1829 Comment
  HSC59902  Luzula parviflora D. L. Goforth 1979-7-19 254 Siskiyou Trinity Alps Wild Area, Caribou Lakes Basin N of upper lake 2134 Comment
  CDA40731  Lycopus asper H. Christensen 1964-7-21 s.n. Siskiyou East side of Lower Sump, Modoc Wildlife Refuge. 0 Comment
  SEINET3155225  Lythrum adsurgens G. D. Butler 1910-8-3 1811 Siskiyou Yreka Creek Comment
  POM362227  Madia citriodora Chadwick, Chadwick 1911-07 s.n. Siskiyou Shasta Springs. Comment
  JEPS40209  Madia elegans Geo. D. Butler 1908-8-12 307 Siskiyou Greenview Scott Valley Comment
  UC1212558  Madia elegans Francia Chisaki, Helen K. Sharsmith 1959-8-20 4737 Siskiyou ca. 4 mi w of Callahan; Wildcat Creek road Comment
  CDA30925  Madia elegans subsp. elegans M. Beyers, G. F. Hrusa 2010-8-18 694 Siskiyou Highway 96; Sluice Box Klamath River Access. 410 Comment
  HSC29116  Madia gracilis Frederick W. Oettinger 1969-8-18 1433 Siskiyou Marble Mountain Wilderness Area, English Peak vicinity, Horse Range Lake 1860 Comment
  SEINET10446714  Mahonia nervosa LeRoy E. Detling 1947-6-4 Detling 6124 Siskiyou Grey Eagle Mine, Slater Butte, Klamath Nat'l Forest. T17N R7E S14 853 Comment
  HSC18981  Maianthemum racemosum subsp. amplexicaule J. O. Sawyer 1969-8-4 1923 Siskiyou South Sugar Creek 2043 Comment
  CAS-BOT-BC512765  Maianthemum racemosum subsp. amplexicaule John Thomas Howell 1937-7-24 13384 Siskiyou Caribou Basin, Salmon-Trinity Alps 2286 Comment
  CAS-BOT-BC512767  Maianthemum racemosum subsp. amplexicaule Alice Eastwood 1912-7-23 1337 Siskiyou Cantara Comment
  HSC77489  Maianthemum stellatum L. P. Janeway 1983-7-17 423 Siskiyou Poker Flat, upper portion of meadow 1524 Comment
  UCSB24986  Maianthemum stellatum Keefe, Joseph 1967-7-10 Siskiyou Indian Creek Road, 22.2 miles north of Happy Camp 1402 Comment
  UC164083  Marah oregana Geo. D. Butler 1909-5-8 731 Siskiyou Klamath River Comment
  JEPS107390  Marrubium vulgare Lowell Ahart, John Dittes 2005-6-10 12106 Siskiyou Rocky high bank, on the east side of the Shasta River, about 20 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
  CHSC91602  Melica californica G. Douglas Barbe; P. Hiatt, M. Keffer 1980-6-5 2810 Siskiyou Cascade Ranges. Mt. Shasta Reforestation area, north of Mt. Shasta city on Everitt Memorial Hwy to Panther Meadows ski area. 1097 Comment
  POM265992  Melica californica Lincoln Constance, R. C. Rollins 1942-5-14 2934 Siskiyou Shasta River 6 miles north of Yreka. 762 Comment
  HSC73344  Melica subulata Gail Newton 1980-6-20 457 Siskiyou Near Bald Mtn. 1097 Comment
  RSA119381  Melica subulata S. S. Tillett 1956-7-11 688 Siskiyou On N side Scott Mtn. divide near campground; Siskiyou-Trinity county line, ca. 8 miles SE of Callahan. 1616 Comment
  JEPS63470  Mentha canadensis Willis L. Jepson Jul 24 1894-Aug 10 1894 14917 Siskiyou Sisson; Upper Sacramento, Sisson Comment
  JEPS95827 Image available Mentzelia albicaulis Vernon H. Oswald and L. Ahart 1999-7-5 9798 Siskiyou Gazelle-Callahan Hwy. 9.0 mi west of Gazelle: T42N R7W Sect. 26, 3000 ft, mixed hardwood-coniferous forest 914 Comment
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Apr 17 2008
  POM208279  Mentzelia dispersa Louis C. Wheeler 1934-7-5 2884 Siskiyou Hungry Creek, Siskiyou Mts., Mt. Diablo Mer. 976 Comment
  HSC15837  Mentzelia laevicaulis D. M. Thomson 1965-8-6 169 Siskiyou Lava Beds National Monument, S Boundry Rd., by Crecent Butte. Comment
  CAS-BOT-BC428544  Micranthes aprica W. R. Dudley 1893-6-20 s.n. Siskiyou Opposite side of Castle Lake outlet Comment
  CAS-BOT-BC429257  Micranthes oregana L. E. Smith 1914-6-9 714 Siskiyou Sisson Comment
  CAS-BOT-BC432854  Micranthes tolmiei Lester Rowntree 1939-7-31 s.n. Siskiyou Caribou Lakes Comment
  CAS-BOT-BC348420  Micropus californicus var. californicus J. H. Thomas 1954-5-13 4148 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-BC322659  Microseris laciniata Dr. E. B. Copeland 1903-8-13 3818 Siskiyou Sisson 1066 Comment
  SEINET11601919 Image available Microseris laciniata G. D. Butler 1910-5-28 1420 Siskiyou Shasta Valley Comment
  HSC60801  Microsteris gracilis Ruby Van Deventer 1960-7-7 Siskiyou Bell Echo Camp in Youngs Valley Comment
  HSC63063  Microsteris gracilis David Wheeler 1979-4-8 44 Siskiyou Comment
  RSA529963  Mimulus breweri D. W. Taylor, G. L. Clifton, R. E. Palmer 1987-6-7 9021 Siskiyou S end of Saddle Hills 1646 Comment
  POM43513  Mimulus guttatus Geo. D. Butler 1910-5-29 1423 Siskiyou Near Yreka. Comment
  RSA237546  Mimulus guttatus Frederick W. Oettinger 1967-8-13 255 Siskiyou Below spring at Tom Taylor Cabin. The Salmon Mountains. The High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2049 Comment
  RSA293206  Mimulus guttatus J. P. Smith 1973-5-5 6421 Siskiyou Along Cook and Green Pass road. Comment
  JEPS77506  Mimulus layneae L. R. Heckard with R. Bacigalupi, T. I. Chuang 1978-7-18 4874 Siskiyou 17 mi e Montague (Ball Mt. Road, n of Goosenest Mt.) 1432 Comment
  POM204109  Mimulus layneae J. T. Howell 1934-7-4 12398 Siskiyou SE corner of Siskiyou County Comment
  JEPS109691  Mimulus nanus Dean W. Taylor 2002-6-10 18131 Siskiyou Scott Mountain, between Grouse Creek and Little Carmen Creek at the junction of Forest Road 40N40 with xxNxx 1005 Comment
  HSC36560  Mimulus primuloides J. O. Sawyer 1969-8-5 1732 Siskiyou W of Little Duck Lake 2073 Comment
  JEPS84009  Mimulus primuloides subsp. linearifolius L. R. Heckard with J. Hickman et al. 1986-7-16 6445 Siskiyou se Red Butte (ca. 5 mi n of town of Seiad Valley); Lily Pad Lake 1770 Comment
  RSA28128  Minuartia douglasii Elmer I. Applegate 1936-7-4 10509 Siskiyou North slope of Caldwell Butte, Lava Beds National Monument. Comment
  CAS-BOT-BC105083  Minuartia nuttallii subsp. gregaria R. C. Wenk 2008-7-25 948 Siskiyou Road to Kangaroo Lake, 4.3 miles S of turnoff from Gazelle-Callahan Rd. 1615 Comment
  HSC52816  Minuartia nuttallii subsp. gregaria Marvin Butler 1971-7-5 1 Siskiyou Near El Capitan Lake 1738 Comment
  UC726553  Minuartia nuttallii subsp. gregaria A. A. Heller 1916-7-22 12492 Siskiyou Mt. Eddy; e side Comment
  SEINET5336978  Minuartia pusilla G. Butler 1910-4-23 1232 Siskiyou Quartz Valley Comment
  CHSC69823  Minuartia stolonifera Thomas W. Nelson; Jane P. Nelson 1979-5-26 4723 Siskiyou North Coast Ranges. Along State Route 3 3 miles north of Scott Mountain Pass at junction with road 40N03. Comment
  UC1198871  Mitella diversifolia Joseph P. Tracy 1935-8-2 14434 Siskiyou Young's Peak Salmon-New River divide (ne side) 1524 Comment
  RSA123588  Mitella pentandra G. D. Barbe 1955-7-9 149 Siskiyou S side of Kangaroo Lake, Scott Mtns. 1829 Comment
  RSA211101  Mitella pentandra William J. Ferlatte 1967-8-20 1062 Siskiyou Caribou Basin. Trinity Alps. 1982 Comment
  CAS-BOT-BC433071  Mitella trifida Harley P. Chandler 1901-6-1 1555 a Siskiyou North Coast Ranges. Near Marble Mountain 1828 Comment
  CAS-BOT-BC433074  Mitella trifida Doris K. Kildale 1928-7-2 5413 Siskiyou Salmon Summit via Horn Creek trail 1981 Comment
  HSC29428  Mitella trifida Frederick W. Oettinger 1969-8-22 1484 Siskiyou Marble Mtn. Wilderness Area, head of Pierce's Draw 1829 Comment
  SEINET12219614  Mitella trifida H. P. Chandler 1901-1 1555 a Siskiyou near Marble Mountain 1829 Comment
  JEPS25622  Moehringia macrophylla Rimo Bacigalupi with Mr. and Mrs. Van Deventer 1959-7-9 7256 Siskiyou Poker Flat 1536 Comment
  HSC27229  Mollugo verticillata J. P. Smith, J. O. Sawyer 1971-9-18 4791 Siskiyou Hwy. 3, between Callahan and Etna at the turnoff to the Proctor Ranch. Comment
  RSA401675A  Monardella odoratissima M. B. Dunkle 9307 Siskiyou Klamath Nat l Forest, Marble Mountains, Sierra Nevada. Comment
  JEPS84084  Monardella odoratissima subsp. glauca L. R. Heckard with J. Hickman et al. 1986-7-17 6515 Siskiyou N slope Condrey Mt. 1960 Comment
  CAS-BOT-BC220369  Monardella odoratissima subsp. pallida A. A. Heller 1905-6-13 8018 Siskiyou Shasta Springs Comment
  CAS-BOT-BC222163  Monardella odoratissima subsp. pallida John Thomas Howell 1939-8-2 14933 Siskiyou Spirit Lake, Marble Mts. 1828 Comment
  UC618682  Monardella odoratissima subsp. pallida W. Bridge Cooke 1938-8-21 11544 Siskiyou Horse Camp Flats, Mount Shasta Comment
  SEINET5333389  Monardella odoratissima subsp. pallida A. Sanger 1996-7-16 2423 Siskiyou In small meadow and sharp turn ~1 mile N of County Road 97. 1817 Comment
  CAS-BOT-BC313729  Monardella siskiyouensis Clare Butterworth Hardham 1965-8-1 13080 Siskiyou Sulphur Springs Rd near Happy Camp Comment
  CAS-BOT-BC445109  Montia linearis Ella D. Cantelow 1953-5-2 s.n. Siskiyou 16 mi. north of Yreka Comment
  CDA23981  Montia linearis Don Shaw 1974-5-14 Siskiyou Emigrant Creek Ranches, Greenview, Quartz Valley. 0 Comment
  HSC64785  Montia parvifolia J. P. Smith, Steve Selva 1970-6-15 3910 Siskiyou 10 mi. NW of Forks of Salmon Comment
  UC1408941  Montia parvifolia Frederick W. Oettinger 1969-7-13 1004 Siskiyou n of Upper English Lake (High Lake Basins in vicinity of English Peak, Marble Mountain Wilderness Area); Salmon Mountains, Marble Mountain Wilderness Area 1950 Comment
  UC637038  Montia parvifolia Edward Lee 1934-8-13 1054 Siskiyou 4 mi n of Happy Camp (Indian Creek, Klamath National Forest); Klamath National Forest, Indian Creek 411 Comment
  UC196950  Muhlenbergia asperifolia Geo. D. Butler 1910-8-21 1848 Siskiyou Shasta Valley Comment
  POM198620  Muhlenbergia asperifolia Geo D. Butler 1910-8-21 1848 Siskiyou Shasta Valley Comment
  CAS-BOT-BC275341  Muhlenbergia jonesii W. B. C. 1938-7-29 11401 Siskiyou Above Bear Springs Comment
  CHSC71897  Muhlenbergia richardsonis Vernon H. Oswald; Lowell Ahart 1998-9-8 9605 Siskiyou Julia Glover Flat on USFS 3 ca. 6 air mi west of Mosquito Lake and Whitehorse Flat Reservoir. 1112 Comment
  SEINET515842  Muhlenbergia richardsonis Vernon Oswald 1997-7-28 8800 Siskiyou Pumice Stone Well 0.2 mi. S of Medicine Lake Rd. on Forest Route 15. 1756 Comment
  RSA403612  Muhlenbergia richardsonis E. Yale Dawson 1948-7-16 5094 Siskiyou Margins of Grass Lake, north of Mount Shasta 1524 Comment
  JEPS20036  Myosurus minimus George D. Butler 1909-4-4 551 Siskiyou Block 5, Yreka Yreka Comment
  UC1495355  Narthecium californicum Robert T. Clausen and Harold Trapido 1940-7-26 4955 Siskiyou Wagon Camp, Mt. Shasta S. Cascade Mts., Sacramento R. Basin, Mt. Shasta, Wagon Camp 1737 Comment
  HSC30410  Narthecium californicum Frederick W. Oettinger 1969-7-31 1112 Siskiyou Marble Mtn. Wilderness Area, W of English Lake 1936 Comment
  HSC78318  Navarretia capillaris L. P. Janeway 1983-8-16 561 Siskiyou Poker Flat 1524 Comment
  JEPS25587  Navarretia divaricata Rimo Bacigalupi 1959-7-2 7219 Siskiyou near n base of Caribou Mtn. (Big Flat Campground, just s of low divide (Trinity Co. boundary) separating Coffee Creek drainage from that of the Salmon River); Headwaters of South Fork of the Salmon River 1508 Comment
  JEPS19786  Navarretia leucocephala subsp. minima Rimo Bacigalupi with S. Galen Smith 1957-6-26 5935 Siskiyou about 2.5 mi nw Weed (close to U.S. Highway 99) 1005 Comment
  JEPS19732  Navarretia linearifolia subsp. linearifolia Rimo Bacigalupi with S. Galen Smith and Geo. Bacigalupi Jr. 1957-6-26 5949 Siskiyou on drier slopes just above meadows at sw end Gumboot Lake (headwaters South Fork Sacramento River, close to Trinity County line); headwaters South Fork Sacramento River, sw end Gumboot Lake 1859 Comment
  UC879887  Navarretia linearifolia subsp. linearifolia Alice Eastwood 1912-8-30 2051 Siskiyou Mount Eddy Comment
  RSA148670  Navarretia sinistra Clare B. Hardham 1961-7-3 8114 Siskiyou Scott Mountain south of Calahan. Comment
  JEPS70476  Navarretia tagetina W. L. Jepson 1940-6-22 19966 Siskiyou Hutton Creek near Hornbrook; Hutton Creek 792 Comment
  CAS-BOT-BC219531  Nemophila parviflora John Thomas Howell 1937-7-22 13267 Siskiyou South Fork of Salmon River near Big Flat 1524 Comment
  CAS-BOT-BC219534  Nemophila parviflora A. A. Heller 1905-6-1 7925 Siskiyou Upper Soda Spring Comment
  UC726906  Nemophila parviflora var. austiniae A. A. Heller 1919-6-20 13257 Siskiyou Metcalf's Comment
  UC52235  Nemophila pedunculata H. M. Hall and E. B. Babcock 1903-6-18 4121 Siskiyou Bartles Station , Bartles Station (McCloud River) 1219 Comment
  CHSC97390  Nicotiana attenuata Jenny Marr 2006-6-18 226 Siskiyou Cascade Range High. Plants collected along Hwy. 97. 1524 Comment
  SEINET4174316  Nitrophila occidentalis G. D. Butler 1910-8-21 1849 Siskiyou Shasta Valley Comment
  CAS-BOT-BC60567  Noccaea fendleri subsp. glauca Alice Eastwood 1912-7-23 1330 Siskiyou Cantara. Comment
  CAS-BOT-BC60593  Noccaea fendleri subsp. glauca R. C. Wenk 2005-7-19 338 Siskiyou Along Pacific Crest Trail, between Deadfall Lakes and pass below Mount Eddy. 2407 Comment
  HSC45574  Noccaea fendleri subsp. glauca Maralyn O'Meara 1974-5-25 436 Siskiyou On Rd. 8, 2.4 mi. W of junction with Hwy. 3 1006 Comment
  HSC81838  Noccaea fendleri subsp. glauca Thomas W. Nelson, Jane P. Nelson 1980-7-20 6182 Siskiyou Above and to SE of Big Carmen Lake 1738 Comment
  CDA11961  Nothochelone nemorosa G. F. Hrusa, R. Meese 1993-8-14 11399 Siskiyou Indian Ck. Rd. between Happy Camp, Ca. and O'Brien Or., at summit of pass just on Ca. side of state boundary. 1426 Comment
  UC1238904  Nothochelone nemorosa Freed W. Hoffman 1951-7-15 4026 Siskiyou near Packers' Valley (North Coast Ranges, Marble Mountain); North Coast Ranges, Marble Mountain Comment
  JEPS11223  Nothochelone nemorosa Joseph P. Tracy 1935-8-1 14420 Siskiyou 1 mi ne of Summit Mine (3 mi se of Salmon Summit, Head of Knownothing Creek); Knownothing Creek 1767 Comment
  NY790540  Nothochelone nemorosa J. P. Tracy 1935-8-1 14420 Siskiyou Head of Knownothing Creek. 1 mile northeast of Summit Mine, 3 miles southeast of Salmon Summit. 1767.8 Comment
  CHSC4521  Oenothera elata subsp. hirsutissima J. E. Bowlin 1967-7-18 44 Siskiyou Off roadside, ca. 13.9 mi w of Mount Shasta Ski Bowl. 1158 Comment
  CAS-BOT-BC56841  Opuntia fragilis Carl B. Wolf 1941-7-26 11074 Siskiyou Field redacted by CAS, contact the data manager for more information 883 Comment
  CAS-BOT-BC355602  Oreostemma alpigenum var. andersonii Alice Eastwood 1912-8-30 1971 Siskiyou Mount Eddy Comment
  HSC92269  Oreostemma alpigenum var. andersonii Jennifer Whipple 1976-9-2 1763 Siskiyou Wagon Creek drainage near Wagon Creek 2195 Comment
  UC1409452  Oreostemma alpigenum var. andersonii Frederick W. Oettinger 1968-8-1 339 Siskiyou south of Little Hancock Lake; Salmon Mountains, Marble Mountain Wilderness Area, English P 2042 Comment
  CAS-BOT-BC500188  Orobanche fasciculata R. E. Frenkel 1963-7-13 253 Siskiyou On Everitt Memorial Highway, 1.0 mi N of McCloud River RR crossing, near Mt. Shasta 1219 Comment
  HSC22173  Orobanche uniflora J. O. Sawyer 1969-7-1 990 Siskiyou Above Paynes Lake Creek 1951 Comment
  UC1024069  Orobanche uniflora subsp. occidentalis Dorothy Parker 1954-4-12 612 Siskiyou Siskiyou Mountains near Callahan. Comment
  CAS-BOT-BC500332  Orobanche uniflora subsp. occidentalis A. M. Vollmer; L. Beane 1951-5-31 12 -A Siskiyou Scott Mountain Comment
  CAS-BOT-BC458075  Orthilia secunda Annie M. Alexander; Louise Kellogg 1949-7-28 5877 Siskiyou Marble Mountains: Sky High Valley 1767 Comment
  CAS-BOT-BC458093  Orthilia secunda John Thomas Howell 1939-8-2 14921 Siskiyou Marble Mts.: Spirit Lake 1828 Comment
  HSC61510  Orthilia secunda Ruby Van Deventer 1939-7-18 Siskiyou Kelley Lake and Kelley Lake Trail Comment
  UC141178  Orthilia secunda Dr. E. B. Copeland 1903-9-6 3924 Siskiyou Mt. Eddy 1371 Comment
  UC1483529  Orthilia secunda John Palmer 1980-8-12 685 Siskiyou Condry Mtn. Southeast of Wards Gap. 1188 Comment
  UCD77893  Orthilia secunda Robert E. Preston 2001-7-20 1689 Siskiyou Klamath National Forest, north slope of Rainbow Mountain, n of Hemlock Lake, T42N R1W se 1/4 of ne 1/4 Section 14 1731 Comment
  HSC167  Orthocarpus cuspidatus subsp. copelandii William J. Ferlatte 1966-8-2 238 Siskiyou Big Flat, wooded area near public camp 1524 Comment
  HSC354  Orthocarpus cuspidatus subsp. copelandii William J. Ferlatte 1967-8-17 958 Siskiyou Yellow Rose Mine 1982 Comment
  JEPS116587  Orthocarpus cuspidatus subsp. copelandii Julie Kierstead Nelson with Rhonda Posey, Ross Olson 2007-8-1 2007 -029 Siskiyou The Eddys, west of Mt. Shasta. East of Toad Lake trailhead, terminus of Forest Service Rd 40N64 headwaters of Middle Fork of upper Sacramento River. Mt. Eddy 2051 Comment
  JEPS4543  Orthocarpus cuspidatus subsp. copelandii L. E. Smith 1913-9-1 Siskiyou Mt. Eddy Comment
  UC1408869  Orthocarpus cuspidatus subsp. copelandii Frederick W. Oettinger 1968-8-11 477 Siskiyou e Tom Taylor Cabin spring (high lake basins in the vicinity of English Peak Marble Mountain Wilderness Area); Salmon Mountains, Marble Mountain Wilderness Area 2026 Comment
  UC609329  Orthocarpus cuspidatus subsp. copelandii Eleanor Burks Hart 1938-8-15 887 Siskiyou n side Upper Wright Lake 2225 Comment
  UCD123233  Orthocarpus cuspidatus subsp. copelandii Dean William Taylor 1972-7-4 1604 Siskiyou near Lily Pad Lake 3 miles west of Cook and Green Pass. 1981 Comment
  UC535779  Orthocarpus cuspidatus subsp. copelandii Elmer I. Applegate 1923-9-7 3955 Siskiyou Doggett Ridge Klamath Canyon (Klamath Canyon); Siskiyou Mts., , Doggett Ridge Comment
  UCD123232  Orthocarpus cuspidatus subsp. copelandii Jack Major; M. Fleschner, R. Pemble 1966-9-4 s.n. Siskiyou east of Marble Mountain, Marble Mountains, California. 1859 Comment
  RSA48232  Orthocarpus lacerus Roxana S. Ferris, Laura Lorraine 1948-6-12 11787 Siskiyou Scott Mountain Road south of Callahan. Comment
  HSC78374  Osmorhiza berteroi L. P. Janeway 1983-9-11 657 Siskiyou Poker Flat 1524 Comment
  RSA237407  Osmorhiza berteroi Frederick W. Oettinger 1969-7-10 952 Siskiyou Due west of English Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1761 Comment
  HSC76759  Osmorhiza occidentalis K. T. Stillman 1976-7-14 238 Siskiyou Marble Mtn. Wilderness Area Comment
  HSC29193  Osmorhiza occidentalis Frederick W. Oettinger 1968-8-15 521 Siskiyou Marble Mountain Wilderness Area, along trail side E bank of Hancock Lake 1936 Comment
  UC1234603  Packera cana Peter H. Raven 1962-5-30 17901 Siskiyou U.S. Highway 97 8.3 mi n Weed Comment
  CAS-BOT-BC28834  Paeonia brownii George Dexter Butler 1910-4-23 1229 Siskiyou Quartz Valley Comment
  UCD88513  Panicum acuminatum var. fasciculatum Beecher Crampton 1964-8-26 7176 Siskiyou 0.6 miles east of Bartle on Hwy. 89. 1310 Comment
  RSA215629  Parnassia fimbriata Gilbert Muth 1969-8-11 1361 Siskiyou Ridge south of Boulder Peak. 2317 Comment
  CAS-BOT-BC202840  Paxistima myrsinites A. A. Heller 1916-8-24 12563 Siskiyou Near Sisson 1077 Comment
  CHSC79493  Paxistima myrsinites G. F. Hrusa 1998-7-5 14681 Siskiyou Northwest California. The Siskiyou Mountains. S side below summit on Happy Camp-O'Brien Rd. On Ca. side of State Boundary. Shaded low draw on W side of Rd. 1620 Comment
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1
  RSA232380  Paxistima myrsinites Frederick W. Oettinger 1968-9-3 687 Siskiyou E-facing slope due W of Horse's Hole - a pond above Horse Range Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 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
  UC796618  Paxistima myrsinites Roxana S. Ferris and Laura Lorraine Jun 12 1948-Jun 16 1948 11772 Siskiyou ca. 7 mi. from Etna (on Forks of Salmon Rd.) 1818 Comment
  RSA610187  Pectocarya pusilla L. C. Wheeler 1935-5-1 3453 Siskiyou Yreka Creek, Siskiyou Mts. 854 Comment
  CAS-BOT-BC266639  Pedicularis bracteosa Doris K. Kildale 1928-8-19 6507 Siskiyou English Lake, head of N fork of Salmon River 1828 Comment
  UC922340  Pedicularis bracteosa var. flavida Annie M. Alexander and Louise Kellogg 1949-7-29 5897 Siskiyou near Hidden Lake (above Sky High Lake); Sky High Valley, Marble Mountains 1859 Comment
  JEPS84020  Pedicularis howellii L. R. Heckard with S. D'Alcamo, J. Hickman, S. Winchester 1986-7-16 6427 Siskiyou 5 mi n of the town of Seiad Valley (cirque at head of Hell's Canyon, e slope of Kangaroo Mountain); Kangaroo Mountain 1828 Comment
  SJSU2578  Pedicularis howellii H. L. Buckalew 1962-7-9 Siskiyou Poker Flat c. 3 mi W of junction of Indian Cr with W Branch Indian Cr, Siskiyou Mts 1143 Comment
  UC1040697  Pedicularis racemosa Alfred H. Murphy 1956-8-16 56 EE Siskiyou Tangle Blue Lake; Klamath National Forest 1767 Comment
  UCR131622  Pedicularis racemosa L. C. Wheeler 1934-6-7 2659 Siskiyou Siskiyou Mountains, North Hungry Creek 1311 Comment
  UCR131623  Pedicularis racemosa L. C. Wheeler 1934-6-12 2702 Siskiyou Siskiyou Mountains, Hungry Creek 1280 Comment
  UC371164  Pellaea brachyptera G. D. Butler 1908-7-20 248 Siskiyou w side Humbug Mt Comment
  UC812365  Pellaea breweri John Thomas Howell 1939-8-2 14874 Siskiyou Spirit Lake; Marble Mts Comment
  JEPS84174  Pellaea breweri L. R. Heckard with S. D'Alcamo, J. Hickman, S. Winchester 1986-7-16 6423 Siskiyou ca. 5 mi. n. town of Seiad Valley (cirque at head of Hell's Canyon, e. slope Kangaroo Mt.); Kangaroo Mt. 1828 Comment
  JEPS80582  Penstemon anguineus Gilbert Muth 1965-7-30 140 Siskiyou Marble Valley Marble Mt. Wilderness Area, Marble Valley 1792 Comment
  SEINET5326467 Image available Penstemon anguineus G. Butler 1910-7-12 1761 Siskiyou Shackleford Creek 1219 Comment
  HSC62465  Penstemon azureus Ruby Van Deventer 1938-7-31 Siskiyou Twin Valley, 2 mi. from Poker Flat Comment
  UC61068  Penstemon azureus var. azureus W. A. Setchell, C. C. Dobie 1902-7-23 Siskiyou The Bend McCloud River, The Bend Comment
  RSA151969  Penstemon cinereus R. C. Bacigalupi, L. R. Heckard, G. Bacigalupi, Ruth D. Sanderson 1952-6-18 3740 Siskiyou Near Panther Creek Guard Station, along Little Shasta River, 16 miles E of Montague on forest road to Mount Hebron. 1280 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
  CHSC1859  Penstemon davidsonii var. davidsonii K. Jaekel 1939-7-8 Siskiyou Panther Meadows, Mt. Shasta. 2316 Comment
  UC139723  Penstemon davidsonii var. davidsonii E. B. Copeland 1903-8-16 3871 Siskiyou Mount Shasta 3048 Comment
  CHSC91544  Penstemon deustus G. F. Hrusa 2001-6-6 15858 Siskiyou Siskiyou Mountains. Along Hwy 96 at Scott R. Bridge. Cuts above river. Flats at end of Scott R. Bridge. UTM: 10T, 4625883 N, 0496656 E. 426 Comment
  JEPS80546  Penstemon deustus Gilbert Muth 1965-8-12 214 Siskiyou common around the Marble , Marble (Marble Mt. Wilderness Area) 1792 Comment
  RSA215600  Penstemon deustus Gilbert Muth 1969-8-6 1187 Siskiyou Boulder Peak. 2530 Comment
  UC454779  Penstemon deustus var. pedicellatus I. J. Condit 1911-7-22 Siskiyou trail to Horse Camp Mt. Shasta, trail to Horse Camp (also near Sisson) 1524 Comment
  JEPS26524  Penstemon deustus var. suffrutescens Lauramay T. Dempster 1961-7-2 1862 Siskiyou s.w. Etna (ridge w. of Salmon Mt. Summit) 1828 Comment
  UC164358  Penstemon deustus var. suffrutescens Geo. D. Butler 1908-7-12 434 Siskiyou dry hills near Yreka; Dry hills near Yreka Comment
  SDSU10942  Penstemon filiformis D. F. Howe 1979-6-25 5197 Siskiyou 2 miles E of Soms Bar. Comment
  JEPS11264  Penstemon gracilentus W. L. Jepson 1894-8-4 21431 Siskiyou near Horse Camp (snow line Mount Shasta); Mount Shasta near Horse Camp Comment
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  JEPS45938  Penstemon gracilentus Rimo Bacigalupi and L. R. Heckard 1966-6-20 9183 Siskiyou along upper part Bolam Logging Road (n side of Mt. Shasta); , along Bolam logging Road 1676 Comment
  UC61051  Penstemon gracilentus W. A. Setchell, C. C. Dobie 1902-7-16 Siskiyou Sisson , Sisson (Mount Shasta) Comment
  UC727354  Penstemon gracilentus Elmer I. Applegate 1923-8-17 3831 Siskiyou about 10 mi nw Medicine Lake; nw of Medicine Lake Comment
  UCSB27392  Penstemon gracilentus Wilken, Dieter 1969-7-26 Siskiyou Summit of Mt. Shasta Ski Bowl Road; south slope of Mt. Shasta 2895 Comment
  NY600709  Penstemon gracilentus F. M. Ownbey 1940-7-3 2195 Siskiyou Near timber line on east side of Mt. Shasta Comment
  UCR93376  Penstemon humilis 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
  HSC77277  Penstemon laetus subsp. sagittatus L. P. Janeway 1983-8-13 527 Siskiyou S side of upper S Fork Indian Creek 1311 Comment
  UC725620  Penstemon laetus var. sagittatus A. A. Heller 1938-7-12 15257 Siskiyou sixteen mi ne Weed (near the base of Deer Mt.); near base Deer Mt., ne of Weed Comment
  NY604566  Penstemon laetus var. sagittatus C. L. Hitchcock 1954-6-22 20232 Siskiyou Ca. 6 miles north of Somes Bar on road to Camp Three. Comment
  POM252934  Penstemon laetus var. sagittatus A. A. Heller 1938-7-12 15256 Siskiyou Along HS Hwy 97, 16 miles northeast of Weed. Comment
  POM44867  Penstemon laetus var. sagittatus Geo. D. Butler 1910-5-11 1338 Siskiyou Shasta Valley Comment
  UC887109  Penstemon laetus var. sagittatus A. A. Heller 1938-7-12 15257 Siskiyou on U.S. Highway #97 near the western base Deer Mountain; near western base of Deer Mountain Comment
  RSA238833  Penstemon newberryi subsp. newberryi Frederick W. Oettinger 1968-9-6 747 Siskiyou Tom's Lake region, Edge of Bear Meadow . The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2188 Comment
  CAS-BOT-BC239335  Penstemon newberryi var. berryi Carl B. Wolf 1934-7-6 6021 Siskiyou SW. slope of Mt. Shasta. 1/2 mi. So. of trail to Horse Camp 1524 Comment
  UC705571  Penstemon newberryi var. berryi Marion Ownbey, Fred G. Meyer 1940-7-6 2204 Siskiyou Cayenne Ridge, W side at summit Marble Mountain Comment
  UC1017676  Penstemon parvulus Marion Ownbey and Ruth P. Ownbey 1938-7-19 1749 Siskiyou 2 1/2 mi nw Dry Lake Lookout (summit of the Siskiyou Mountains); , nw of Dry Lake Lookout Comment
  HSC19163  Penstemon parvulus J. O. Sawyer 1969-7-1 962 Siskiyou NE facing upper slope above Paynes Lake Creek 1784 Comment
  RSA420440  Penstemon parvulus M. B. Dunkle 1945-1 9208 Siskiyou Black Marble Mtn. Klamath Nat'l Forest. Marble Mtns. 2134 Comment
  JEPS57172  Penstemon procerus subsp. formosus L. R. Heckard 1967-8-13 1703 Siskiyou summit region of Mount Eddy Mount Eddy 2743 Comment
  NY638942  Penstemon procerus var. brachyanthus J. T. Howell 1937-7-24 13390 Siskiyou Caribou Basin, Salmon-Trinity Alps 1981.2 Comment
  SBBG28893  Penstemon roezlii G. D. Butler 1910-6-9 1579 Siskiyou foothills of Goosenest Mtns 1386 Comment
  UC585127  Penstemon roezlii E. B. Babcock and G. L. Stebbins Jr. 1936-6-11 1912 Siskiyou about 7 mi sw Yreka (s of highway from Yreka to Fort Jones); Forest House Mt. 1371 Comment
  HSC46220  Penstemon roezlii Jennifer Whipple 1978-6-5 2329 Siskiyou Weston Gulch in Scott Valley 854 Comment
  RSA29715  Penstemon roezlii Louis C. Wheeler 1935-6-9 3565 Siskiyou Yreka Creek. Siskiyou Mtns. 1220 Comment
  UC1238910  Penstemon roezlii Freed W. Hoffman 1948-7-6 2437 Siskiyou Scott Mountain road near summit of divide; North Coast Ranges, Scott Mountain rd nr summit divide Comment
  HSC61156  Penstemon rupicola Al Hobart Siskiyou El Capitan Comment
  NY651257  Penstemon rydbergii var. oreocharis P. Rubtzoff 1978-6-26 9218 Siskiyou Southeast margin of Grass Lake near Highway 97 Comment
  UC1278812  Penstemon rydbergii var. oreocharis David D. Keck 1940-6-13 5172 Siskiyou Grass Lake; ; Grass Lake, Siskiyou Co. 1539 Comment
  RSA12579  Penstemon shastensis Carl B. Wolf 1934-7-6 6007 Siskiyou 5.4 miles from Mt. Shasta City on Wagon Camp Rd, SW slope of Mt. Shasta 1220 Comment
  UC618811  Penstemon speciosus W. Bridge Cooke 1938-6-24 11095 Siskiyou near MacBride Springs; Mount Shasta Comment
  RSA120854  Penstemon speciosus M. S. Baker 1957-6-15 13111 Siskiyou Just S of Weed. Comment
  CAS-BOT-BC540345  Perideridia gairdneri subsp. gairdneri Dana York 2011-9-8 3089 Siskiyou Marble Mountain Wilderness: Klamath National Forest, slopes of Kings Castle 2175 Comment
  HSC49955  Perideridia leptocarpa G. L. Clifton, Ground 1978-6-27 1458 Siskiyou Near Wildcat Creek 1098 Comment
  CDA38508  Perideridia leptocarpa D. H. Shaw & D. Osterhandt 1979-8-17 s.n. Siskiyou Jackass Gulch northwest of Sawyers Bar, Klamath National Forest. 0 Comment
  UC1389959  Perideridia parishii subsp. latifolia T. I. Chuang, A. Weston, and I. Fukuda 1963-7-5 5878 Siskiyou headwaters of creek w Russian Peak (near Sawyer's Bar); South Russian Creek 1737 Comment
  UC618605  Perideridia parishii subsp. latifolia W. Bridge Cooke 1938-7-22 11313 Siskiyou Wagon Camp Mount Shasta 1737 Comment
  CAS-BOT-BC413738  Persicaria hydropiper Louis C. Wheeler 1934-9-20 3287 Siskiyou Klamath National Forest, Lumgrey Cr. 670 Comment
  CAS-BOT-BC418940  Persicaria lapathifolia Alice Eastwood 1912-7-22 1312 Siskiyou Sisson Comment
  CHSC70020  Phacelia corymbosa Jennifer Whipple 1977-7-22 2035 Siskiyou Klamath Mountains, Mount Eddy. Dobkins Lake drainage on east facing slopes above Dobkins Lake. 2316 Comment
  HSC69519  Phacelia corymbosa Maralyn A. Renner 1980-6-26 1289 Siskiyou Klamath National Forest, ridge along FS Rd. 15N01, 1 mi. N of Flint Valley. 1494 Comment
  JEPS57181  Phacelia corymbosa L. R. Heckard 1967-8-13 1694 Siskiyou s-facing slope near summit Mt. Eddy 2712 Comment
  SD120823  Phacelia corymbosa L. R. Heckard 1967-8-13 1694 Siskiyou Near Summit Mt Eddy, south facing slope 2713 Comment
  UC901813  Phacelia corymbosa L. Constance 1950-7-16 3361 Siskiyou summit Little Grayback Peak 1859 Comment
  CHSC96030  Phacelia dalesiana L. P. Janeway 2006-7-4 8791 Siskiyou Klamath Ranges. Scott Mountains; opening on spur ridge 1.9 km west-southwest of Scott Mountain Summit. 1838 Comment
  RSA145151  Phacelia dalesiana Dorothy Parker 1958-6-9 s.n. Siskiyou Summit of Scott Mountain. 1631 Comment
  RSA75594  Phacelia greenei Albert M. Vollmer, L Beane 1951-5-31 s.n. Siskiyou Scott Mountain. Comment
  HSC67820  Phacelia hastata J. O. Sawyer, J. Cole 1980-7-20 3773 Siskiyou S of Grouse Hill, at N base of Badger Peak 2146 Comment
  CHSC70133  Phacelia hastata subsp. compacta Jennifer Whipple 1976-7-2 1268 Siskiyou Klamath Mountains. Mount Eddy. Dobkins Lake drainage on east facing slopes above Dobkins Lake. 2316 Comment
  SDSU6611  Phacelia hastata subsp. compacta D. F. Howe 1962-7-4 Siskiyou Near summit of Baldy Mt. Comment
  HSC68494  Phacelia heterophylla Maralyn A. Renner 1980-6-10 868 Siskiyou Ridge 1 mi. S of Greenhorn Rd. and 1 mi. E of Mill Creek. 1341 Comment
  JEPS2081  Phacelia heterophylla subsp. virgata W. L. Jepson 1940-6-23 19983 Siskiyou 2 mi e Montague 822 Comment
  UC1602020  Phacelia heterophylla subsp. virgata Geo. D. Butler 1910-5-7 1300 Siskiyou near Yreka Comment
  RSA120909  Phacelia heterophylla subsp. virgata Milo S. Baker 1957-6-15 13117 Siskiyou Just south of Weed. Comment
  CHSC48471  Phacelia linearis Vernon Oswald 1986-5-29 2075 Siskiyou Hwy 97 between Weed and Grass Lake, 9.8 mi ne of Weed. 1158 Comment
  CHSC725  Phacelia linearis V. Holt 1932-6-23 Siskiyou Lava beds NW of Shasta. Comment
  JEPS105461  Phacelia linearis Dean W. Taylor 1995-6-4 14969 Siskiyou 3 miles west of Highway 89 on Grenada Road; Shasta Valley; Klamath National Forest; (ca. 10 miles North of Weed) 1158 Comment
  SEINET3158194  Phacelia magellanica f. virgata G. D. Butler 1910-5-7 1300 Siskiyou Dry hills near Yreka Comment
  HSC622  Phacelia mutabilis William J. Ferlatte 1966-7-7 206 Siskiyou Caribou Basin 1982 Comment
  HSC33325  Phacelia mutabilis William J. Ferlatte 1974-7-15 1545 Siskiyou Dorleska summit, Grouse Ridge, on Trinity Co. line yds. N of summit 2134 Comment
  JEPS118711  Phacelia pringlei Julie Kierstead Nelson 2010-6-3 2010 -012 Siskiyou Scott Mountain; Road 40N08 from Hwy. 3 at summit to Carmen Lake, at Pacific Crest Trail crossing. Comment
  HSC69293  Phacelia procera Maralyn A. Renner 1980-7-24 2000 Siskiyou Lily Pad Lake 1768 Comment
  HSC78325  Phacelia procera L. P. Janeway 1983-7-24 447 Siskiyou Poker Flat, upper portion of meadow 1524 Comment
  HSC67964  Philadelphus californicus J. P. Smith 1976-5-22 8790 Siskiyou Callahan Rd. along the E side of Scott Valley 1037 Comment
  CAS-BOT-BC77412  Philadelphus lewisii Carl B. Wolf 1930-10-23 1759 Siskiyou Along Klamath River 1 mile above Hamburg 243 Comment
  CAS-BOT-BC77427  Philadelphus lewisii Carl B. Wolf 1927-8-27 1127 Siskiyou On the Klamath River, 6 mi. below Happy Camp Comment
  CDA17141  Philadelphus lewisii G. F. Hrusa 2001-6-6 15855 Siskiyou Siskiyou Mountains; Along Hwy 96 at Scott R. Bridge. 426 Comment
  LA206242  Philadelphus lewisii Louis C. Wheeler; 1934-7-16 2910 Siskiyou Siskiyou Mountains, Oak Knoll Ranger Station, Klamath River 670 Comment
  UC114914  Philadelphus lewisii Brandegee July 1887 Siskiyou Ager Comment
  UC165383  Philadelphus lewisii Geo. D. Butler 1908-8-11 87 Siskiyou Shackleford Creek Quartz Valley Comment
  UC165384  Philadelphus lewisii Geo. D. Butler 1908-7-7 405 Siskiyou along creek near Yreka Comment
  RSA0097453  Philadelphus lewisii Walter Wisura, J. Romero 1991-10-17 4594 Siskiyou 4.9 mi W of Gazelle along rd to Callahan. Comment
  RSA211245  Phleum alpinum William J. Ferlatte 1967-8-23 1110 Siskiyou Kidd Creek Trail. Trinity Alps. 2134 Comment
  RSA467441  Phleum alpinum M. B. Dunkle 1945-7-24 9259 Siskiyou Klamath National Forest, Marble Mts. Comment
  CDA40296  Phlox adsurgens T. C. Fuller 1958-6-18 1820 Siskiyou Summit of Siskiyou Mountains along road between Cave Junction & Happy Camp. 0 Comment
  CHSC1303  Phlox caespitosa V. Holt 1932-6-26 Siskiyou Mt. Eddy. 2743 Comment
  UCD77914  Phlox diffusa Robert E. Preston 2002-6-20 1841 Siskiyou Klamath National Forest, Rainbow Mountain, W ridge, on E-facing slope. 1946 Comment
  SEINET12279216  Phlox diffusa H. P. Chandler 1901-1 1591 Siskiyou Ridges and meadows near Marble Mountain 2134 Comment
  RSA83077  Phlox diffusa subsp. diffusa Verne Grant, Alva Grant 1947-6-5 7977 Siskiyou Modoc Lava Beds Comment
  HSC93351  Phlox hirsuta Daine Elam, Ken Fuller 1997-5-14 Siskiyou Soap Creek Ridge, upslope from Hwy. 3, SW of Yreka Comment
  HSC43832  Phlox speciosa subsp. occidentalis Maralyn O'Meara 1974-5-27 486 Siskiyou Along FS Rd. 47N03 1280 Comment
  RSA120759  Phlox speciosa subsp. occidentalis S. S. Tillett 1956-7-9 635 Siskiyou Scott Mtn, Siskiyou Trinity County line, 8 miles SE of Callahan. 2073 Comment
  POM75052  Phlox speciosa subsp. occidentalis Geo D. Butler 1910-4-15 1175 Siskiyou Yreka. Comment
  CAS-BOT-BC135341  Phoradendron juniperinum Wm. Bridge Cooke 1939-7-21 13699 Siskiyou Mount Shasta, on the SW side of the Mountain. Howard 1219 Comment
  LA41255  Phyllodoce empetriformis Wm. Bridge Cooke; 1938-8-18 11496 Siskiyou Mount Shasta, around the springs above Horse Camp along the summit trail 2499 Comment
  RSA233664  Phyllodoce empetriformis R. F. Thorne, Frederick W. Oettinger, K. Thorne 1969-8-10 39002 Siskiyou Mount Shasta National Forest; south slope of Mt. Shasta at base of boulders. 2378 Comment
  CAS-BOT-BC56487  Phyllodoce empetriformis Gilbert Muth 1965-8-8 s.n. Siskiyou Near summit of Marble Rim 1981 Comment
  CDA5829  Physalis longifolia T. C. Fuller 1966-10-6 15246 Siskiyou Clement ranch, 5 miles north of Montague. 0 Comment
  CDA5831  Physalis longifolia J. R. Grisham 1969-7-28 Siskiyou Mrs. Struble, 3 Mile Lane, Montague. 0 Comment
  CAS-BOT-BC60766  Physaria occidentalis Harley P. Chandler 1901-6-1 1653 Siskiyou North Coast Ranges. Marble Mountain. 2438 Comment
  HSC76715  Physaria occidentalis K. T. Stillman 1976-7-30 347 Siskiyou Marble Mtn. Wilderness Area, Upper Marble Valley. 1829 Comment
  CAS-BOT-BC140609  Physocarpus capitatus C. H. M. 1907-9-26 s.n. Siskiyou Shovel Creek, Klamath Canyon Comment
  HSC4818  Physocarpus capitatus J. O. Sawyer 1968-9-10 760 Siskiyou Young's Meadow on Clear Creek 1402 Comment
  RSA451848  Physocarpus capitatus M. B. Dunkle 1944-7-16 9113 Siskiyou Beaver Creek Camp. Comment
  UC1045315  Physocarpus capitatus W. Bridge Cooke 1940-7-12 15315 Siskiyou in Box Canyon of the Sacramento near Mt Shasta City Comment
  UC1736325  Physocarpus capitatus Dean W. Taylor 1972-7-3 1602 Siskiyou Cook and Green Pass 1371 Comment
  CAS-BOT-BC73475  Picea breweriana Arthur Menzies 1961-7-1 s.n. Siskiyou Klamath National Forest - Copper Butte near Cook & Green Pass, north of Seiad Valley. Comment
  UC705881  Picea breweriana Marion Ownbey, Fred G. Meyer 1940-7-6 2205 Siskiyou summit of Cayenne Ridge on w side Marble Mountain, Cayenne Ridge Comment
  RSA593949  Picea breweriana L. C. Wheeler 1963-8-31 8316 Siskiyou Siskiyou Mountains. Devil's Punch Bowl off Clear Creek. 1432 Comment
  RSA237208  Picea engelmannii Frederick W. Oettinger 1967-6-27 126 Siskiyou West of Statue Creek near the point where the Music Creek logging road makes hairpin turn. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1756 Comment
  UC1313050  Picea engelmannii J. M. Tucker 1963-7-5 3707 Siskiyou ca 7 mi (airline) e Siskiyou County <border> (creek is tributary of Salmon River); lower Blake's Fork of South Russian Creek 1524 Comment
  UCD134319  Pinus albicaulis Robert E. Preston 2001-6-30 1649 d Siskiyou Klamath National Forest, Rainbow Mountain, north slope of east lobe. 1920 Comment
  CAS-BOT-BC73392  Pinus albicaulis L. A. Siemens 1970-5-9 170 Siskiyou Mt. Shasta - Cascade Ridge 2590 Comment
  CAS-BOT-BC78329  Pinus attenuata Doris K. Kildale 1928-8-21 6640 Siskiyou Big Creek - trail from Finley Camp to English Lake Comment
  UCR163509  Pinus attenuata David A. Charlet, T. Charlet 1996-12-15 2350 Siskiyou Mt. Shasta: lower south slopes along Hwy 89, from a few mi east of McCloud to a few mi west of Bartle Comment
Read comments
Apr 26 2008
  HSC1411  Pinus balfouriana R. J. Mastrogiuseppe 1967-7-21 Siskiyou Ridge above Yellow Rose and Dorleska Mine, Bulk Collection # 92 2058 Comment
  RSA183476  Pinus balfouriana J. M. Tucker, L. K. Mann, S. L. Holloway 1963-8-18 3769 Siskiyou SW ridge of Black Mtn (Black Marble Mtn); Marble Mtn Wilderness Areas. 2134 Comment
  UC1585380  Pinus balfouriana R. Raiche, K. Zadnik, and H. Forbes 1989-10-4 UCBG 72 Siskiyou cirque above Deadfall Lakes (near Trinity Co. line); Mt. Eddy 2440 Comment
  HSC103159  Pinus balfouriana subsp. balfouriana Michael Kauffmann 2013-8-7 19 Siskiyou South China Mountain 2395 Comment
  HSC26224  Pinus jeffreyi J. P. Smith, J. O. Sawyer 1972-5-27 5359 Siskiyou Hwy. 3 near the Scott Mtn. Campground on divide between Scott and Trinity Rivers 1601 Comment
  HSC44742  Pinus jeffreyi Maralyn O'Meara 1974-5-25 446 Siskiyou On Rd. 8, 2.4 mi. W of junction with Hwy. 3 1006 Comment
  HSC92117  Pinus jeffreyi Jennifer Whipple 1976-9-4 1795 Siskiyou Dobkins lake drainage on E facing slopes above Dobkins lake 2256 Comment
  RSA237337  Pinus jeffreyi Frederick W. Oettinger 1969-8-21 1539 Siskiyou 0.1 mile north of English Lake outlets. Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1768 Comment
  HSC1507  Pinus lambertiana D. M. Thomson 1965-8-14 186 Siskiyou Lava Beds National Monument 0.25 mi. S of Cauldwell Cinder Pit Comment
  UC1190124  Pinus lambertiana Ira L. Wiggins 1955-7-24 13496 Siskiyou ridge between upper reaches of China Creek and Blind Horse Creek 1645 Comment
  UC618790  Pinus lambertiana W. Bridge Cooke 1938-9-2 11598 Siskiyou Sisson Southern Trail Mount Shasta Comment
  RSA572072  Pinus monticola L. C. Wheeler 1934-8-26 3222 Siskiyou Trapper Creek (Mt. Diablo Mer.) 1860 Comment
  UC455188  Piperia elongata I. J. Condit 1911-7-15 Siskiyou tollroad Shasta Springs to McCloud Comment
  JEPS68126  Plagiobothrys tenellus George D. Butler 1909-4-13 654 Siskiyou near Yreka Comment
  UC54755  Plagiobothrys tenellus F. W. Hooper 1897-4-21 Siskiyou Little Shasta Comment
  RSA59809  Plagiobothrys tenellus E. K. Balls 1950-5-17 14721 Siskiyou New Lava Flow, along road from Schonchin Butte to Capt. Jack s Stronghold, Lava Beds Nat l Monument. 1463 Comment
  RSA3806  Plantago eriopoda A. A. Heller 1927-8-2 14442 Siskiyou North end of Shasta Valley near the Klamath River Comment
  HSC46118  Platanthera dilatata var. leucostachys J. P. Smith, Steve Selva 1970-6-14 3883 Siskiyou Road to Steinacher Creek near Somes Bar. Comment
  HSC35439  Platanthera dilatata var. leucostachys A. Montalvo, J. D. Ackerman 1975-7-18 583 Siskiyou S Fork Sacramento River, FS 40N30 1372 Comment
  HSC60789  Platanthera dilatata var. leucostachys Al Hobart 1967-7-12 Siskiyou Bell Echo Camp in Youngs Valley Comment
  SEINET999812  Platanthera dilatata var. leucostachys Mark Fishbein, Lane Greer 2006-1 Siskiyou Comment
  CHSC26184  Platanthera leucostachys J. P. Kroessing 1977-8-5 58 Siskiyou Panther Meadow, Mt Shasta n end of Everitt Memorial Hwy, ca 6 km s of Mt Shasta Peak. 2135 Comment
  UC618671  Platanthera leucostachys W. Bridge Cooke 1938-9-8 11672 Siskiyou Squaw Creek Meadows Mount Shasta 2286 Comment
  HSC21996  Platanthera sparsiflora J. O. Sawyer 1969-8-5 1784 Siskiyou Along Sugar Creek. 1921 Comment
  HSC483  Platanthera sparsiflora William J. Ferlatte 1967-7-9 685 Siskiyou Kidd Creek Trail 1890 Comment
  RSA237639  Platanthera stricta Frederick W. Oettinger 1967-7-26 205 Siskiyou Along trail down to Hancock Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2012 Comment
  HSC68375  Plectritis congesta J. P. Smith 1973-5-5 6400 Siskiyou In and around the O'Neill Campground near Seiad Valley. 488 Comment
  UCD137537  Plectritis congesta James P. Smith 1973-5-5 6519 Siskiyou Scott Bar, along the Scott River. Comment
  UC416765  Plectritis macrocera W. T. Mooney April 1903 Siskiyou Yreka Comment
  UC1025120  Poa Douglas Barbe 1955-8-5 362 Siskiyou at summit of trail from Big Flat to Caribou Lake (a point nw of Caribou Mt); Salmon Mts 2407 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
  JEPS125993  Poa compressa D. W. Taylor 1996-7-27 15867 Siskiyou Klamath National Forest; Grass Lake, about 15 air miles NE of Weed. Comment
  JEPS73748  Poa compressa George D. Butler 1908-7-1 485 Siskiyou Butler's Ranch near Yreka; Butler's Ranch Comment
  SEINET10660119  Poa gracillima A. Arthur Heller 1905-6-9 Heller 8007 Siskiyou Montague. Comment
  SEINET11683993  Poa howellii var. chandleri H. P. Chandler 1901-1 1703 Siskiyou near Marble Mountain, North Coast Ranges 1524 Comment
  CAS-BOT-BC247012  Poa nervosa Geo. D. Butler 1910-5-10 1318 Siskiyou Goosenest foothills 1524 Comment
  CAS-BOT-BC256021  Poa pratensis John Thomas Howell 1937-7-23 13347 Siskiyou South Fork of Salmon River near Big Flat 1524 Comment
  RSA577534  Poa pratensis L. C. Wheeler 1935-5-11 3484 Siskiyou Klamath River at Ash Creek; Siskiyou Mts. (Mt Diablo Mer.) 610 Comment
  RSA602816  Poa pratensis L. C. Wheeler 1935-6-4 3549 Siskiyou Etna, Scott Valley 899 Comment
  SACT001940  Poa pratensis G. Kimber 1934-6-9 Siskiyou 1/8 mile above junction with Sacramento River. Comment
  CAS-BOT-BC255232  Poa pratensis subsp. pratensis L. P. Janeway 1983-8-26 592 Siskiyou Poker Flat, Siskiyou Mountains 1524 Comment
  HSC103040  Poa pratensis subsp. pratensis J. P. Smith 2014-6-7 13898 Siskiyou Along State Route 3 at its junction with the East Fork of the Scott River 994 Comment
  RSA184780  Poa pringlei Gilbert Muth 1966-7-31 473 Siskiyou North side of Black Mountain, Marble Mountains 2043 Comment
  UCD91770  Poa pringlei A. H. Murphy 1959-7-22 59 M Siskiyou Shasta National Forest. Summit between Bear Creek and Toad Lake. 2346 Comment
  UCR35819  Poa secunda L. C. Wheeler 1934-8-9 3076 Siskiyou Siskiyou Mountains, head of Jaynes Canyon, Mt. Diablo Meridian 1921 Comment
  HSC76922  Poa secunda subsp. juncifolia K. T. Stillman 1976-6-26 135 Siskiyou Marble Mountain Wilderness Area, Kings Castle. 2134 Comment
  HSC102658  Poa secunda subsp. juncifolia J. P. Smith 2009-6-1 12616 Siskiyou Road to Tenant. Comment
  CAS-BOT-BC243216  Poa secunda subsp. secunda John Thomas Howell 1937-7-24 13403 Siskiyou Caribou Basin, Salmon-Trinity Alps 2286 Comment
  CAS-BOT-BC243229  Poa secunda subsp. secunda L. E. Smith 1915-6-1 s.n. Siskiyou Yreka Comment
  CHSC98796  Poa secunda subsp. secunda J. K. Nelson; Rhonda Posey, Mary Ellen Colberg, Twyla Miller 2006-5-19 2006 -019 Siskiyou North side of Mt. Shasta, south of Hwy 97; Hotlum Fire area burned in February 2006. 1090 Comment
  HSC31101  Poa secunda subsp. secunda Frederick W. Oettinger, R. F. Thorne 1969-8-6 1223 Siskiyou Marble Mtn. Wilderness Area, S side of Pine Lake. 1951 Comment
  HSC69266  Poa wheeleri J. O. Sawyer, J. Cole 1980-7-19 3694 Siskiyou Near FS Rd. 45N05 2018 Comment
  SEINET250671  Poaceae Cindy Roche, Robert Korfhage 2005-7-12 Siskiyou Road 1055 milepost 3.3 Cook and Green Road. 1036 Comment
  JEPS100989  Pogogyne zizyphoroides Dean Wm. Taylor with Glenn Clifton 1990-6-12 10870 Siskiyou Adobe Flat Reservoir, ca. 5 miles N of Timbered Crater, 1075 Comment
  HSC19298  Polemonium californicum J. O. Sawyer 1969-6-2 1007 Siskiyou Summit above Albert Lake 2256 Comment
  RSA126050  Polemonium californicum I. L. Wiggins 1955-7-29 13573 Siskiyou North-facing slope between Caribou Lake and Pass to Thompson Creek. 1957 Comment
  RSA166772  Polemonium californicum H. Dearing, M. Dearing 1939-7-2 3805 Siskiyou Salmon Mt. 1677 Comment
  CAS-BOT-BC232898  Polemonium carneum Geo. D. Butler 1910-5-15 1344 Siskiyou McAdam Creek Comment
  CAS-BOT-BC263240  Polemonium carneum R. Stubbs 2010-6-25 010 Siskiyou 1.08 mile SE of Deadwood historical marker. West of Yreka 1331 Comment
  RSA237352  Polemonium pulcherrimum Frederick W. Oettinger 1967-7-8 165 Siskiyou South of Big Blue Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2104 Comment
  UCD77932  Polyctenium fremontii Robert E. Preston 1997-6-1 1034 Siskiyou Grass Lake 1536 Comment
  UCD109718  Polygala cornuta J. P. Smith; Steve Selva 1970-7-14 3858 Siskiyou Exact location unknown. Comment
  CAS-BOT-BC170345  Polygala cornuta var. cornuta John Thomas Howell 1934-7-4 12406 Siskiyou Se. corner of Siskiyou Co. Comment
  UC630386  Polygala cornuta var. cornuta Annetta Carter 1939-8-20 1456 Siskiyou 5.5 mi n Dunsmuir 1005 Comment
  POM145046  Polygonum bistortoides C. F. Baker 1903-9-7 3854 Siskiyou Mt. Eddy. Comment
  CDA22762  Polygonum bistortoides T. C. Fuller 1962-6-13 8995 Siskiyou South side of Highway 89 to Lake Britton, 0.5 mile east of Bartle. 0 Comment
  UC60974  Polygonum convolvulus Geo. B. Grant September 1902 5163 Siskiyou Sisson Mount Shasta 914 Comment
  RSA466317A  Polygonum davisiae M. B. Dunkle 1945-8-4 9268 Siskiyou Klamath National Forest, Mrable Mts, Paradise Lake Comment
  HSC17499  Polygonum douglasii L. C. Wheeler 1935-7-26 3700 Siskiyou Siskiyou Mountains: Jaynes Canyon 1951 Comment
  CAS-BOT-BC414596  Polygonum douglasii Louis C. Wheeler 1934-7-3 2859 Siskiyou Klamath National Forest. Soda Creek 1676 Comment
  POM280357  Polygonum douglasii George B. Grant 1906-7-25 7101 Siskiyou Lake Tahoe. Comment
  UC850102  Polygonum douglasii subsp. douglasii A. A. Heller 1915-7-18 12121 Siskiyou Metcalf's Ranch Mt. Eddy (ne base of mt.) 1188 Comment
  HSC30506  Polygonum minimum Frederick W. Oettinger 1968-9-2 677 Siskiyou Marble Mtn. Wilderness Area, Horse Range Lake 1860 Comment
  UC1540134  Polygonum newberryi Dean Wm. Taylor and Rexford E. Palmer 1987-8-8 9260 Siskiyou Lyons Peak Medicine Lake volcanic highland region (extreme nw section of county) 2407 Comment
  UC164403  Polygonum persicaria Geo. D. Butler 1908-7-8 194 Siskiyou along creek near Yreka Comment
  JEPS91059  Polygonum polygaloides subsp. kelloggii Dean Wm. Taylor with Rexford E. Palmer 1988-6-23 9862 Siskiyou 4 mi n of Timbered Crater (1 mi se of Adobe Flat, Modoc Plateau); Modoc Plateau 1097 Comment
  UC1059020  Polygonum polygaloides subsp. kelloggii A. H. Murphy 1956-8-16 56 M Siskiyou Klamath N. F. 1981 Comment
  UC1045290  Polygonum sawatchense subsp. oblivium W. Bridge Cooke 1940-6-6 15039 Siskiyou near Castle Lake Road (in meadow along creek) Comment
  SDSU9667  Polygonum shastense D. F. Howe 1962-8-6 3409 Siskiyou Mt. Shasta, Shasta National Forest. 2438 Comment
  RSA264962  Polygonum spergulariiforme E. Mark 1975-10-14 6199 Siskiyou Near Etna. 927 Comment
  RSA44882  Polygonum spergulariiforme J. C. Roos, L. Roos 1948-9-1 3941 Siskiyou Fort Jones Comment
  CAS-BOT-BC71836  Polypodium californicum Edward Lee 1934-8-13 1056 Siskiyou Indian Creek, 4 miles north of Happy Camp, Klamath National Forest 411 Comment
  CAS-BOT-BC237393  Polypogon monspeliensis Carl B. Wolf 1927-8-26 1083 Siskiyou On the Klamath River, 14 miles above Happy Camp Comment
  HSC25462  Polystichum imbricans J. P. Smith, J. O. Sawyer, Maralyn O'Meara 1972-7-3 5658 Siskiyou Ridge E of Cook and Green Pass. 1524 Comment
  HSC1144  Polystichum imbricans R. W. Spjut 1968-11-5 165 Siskiyou 1 mi. from S Suggar Lake in the Salmon Mtns. 1829 Comment
  HSC64681  Polystichum imbricans J. O. Sawyer 1977-7-7 3040 Siskiyou N of Little Duck Lake 2073 Comment
  UC705505  Polystichum imbricans subsp. imbricans Marion Ownbey and Fred G. Meyer 1940-7-7 2209 Siskiyou sw of Yreka (Soap Ridge at top of ridge) Comment
  HSC36663  Polystichum imbricans subsp. imbricans Brent Whiteley 1975-6-21 19 Siskiyou 223 Comment
  CAS-BOT-BC72378  Polystichum lemmonii Ira L. Wiggins 1950-5-28 12378 Siskiyou just above Grouse Lake (headwaters of Grouse Creek) 1828 Comment
  RSA624979  Polystichum lemmonii L. C. Wheeler 1963-8-25 8272 Siskiyou South side of Preston Peak: Head Rattlesnake Creek. 1829 Comment
  HSC61976  Polystichum lemmonii Al Hobart 6 Aug [year missing] Siskiyou Preston Pk. 1982 Comment
  HSC79123  Polystichum lemmonii C. J. Thomas 1983-10-1 79 Siskiyou Scott Mtn. Summit, 0.5 to 0.75 mi. above Big Carmen Lake 1756 Comment
  POM120353  Polystichum lemmonii Geo D. Butler 1910-7-12 1757 Siskiyou Shackleford Creek 1372 Comment
  CAS-BOT-BC72400  Polystichum lonchitis Louis C. Wheeler 1934-8-10 3100 Siskiyou Dead Cow Creek, Siskiyou Mts. 1889 Comment
  CAS-BOT-BC72408  Polystichum lonchitis Louis C. Wheeler 1934-8-6 3058 Siskiyou Klamath National Forest, Rock Gulch 1828 Comment
  JEPS79619  Polystichum lonchitis Edward Lee ca. 1975 Siskiyou Russian Peak Comment
  UC922427  Polystichum lonchitis Annie M. Alexander and Louise Kellogg 1949-7-24 5858 Siskiyou trail to Bear Lake Paradise Lake; Marble Mts., Paradise Lake 1920 Comment
  HSC27976  Polystichum munitum Carl W. Mize 1972-9-23 116 Siskiyou 0.5 mi. from end of rd 945 Comment
  CAS-BOT-BC72516  Polystichum scopulinum Louis C. Wheeler 1934-8-26 3225 Siskiyou Trapper Creek, Siskiyou Mts. 1981 Comment
  RSA238001  Populus tremuloides Frederick W. Oettinger 1967-8-21 313 Siskiyou Northwest of Pine Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1878 Comment
  UC375241  Populus tremuloides Geo. D. Butler 1908-8-3 533 Siskiyou Log Lake , Shackleford Creek (Shackleford Creek) Comment
  CAS-BOT-BC102959  Populus trichocarpa W. B. C. 1942-7-2 16363 Siskiyou Bed of Mud Creek Canyon above the Dam, [Mt.Shasta] Mt. Shasta 1524 Comment
  RSA237466  Portulaca oleracea Frederick W. Oettinger 1969-8-25 1560 -b Siskiyou Little North Fork stream along new trail from end of logging road to Devils Canyon trail. Salmon Mtns. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1220 Comment
  UCD144584  Potamogeton amplifolius Steve Orloff 2002-1 s.n. Siskiyou Cecilville, Property owned by John Riewerts. 709 Comment
  UC1265461  Potamogeton berchtoldii Frederick W. Oettinger 1969-9-5 1684 Siskiyou 0.7 mi ne of Abbotts Lake (in Salamander Lake, High Lake Basins in Vicinity of English Peak); Salmon Mountains, Marble Mountain Wilderness Area 1790 Comment
  CAS-BOT-BC453681  Potamogeton gramineus John Thomas Howell 1939-8-9 15195 Siskiyou Sky High Valley, Marble Mts. 1828 Comment
  CAS-BOT-BC454097  Potamogeton pusillus subsp. tenuissimus Frederick W. Oettinger 1969-8-22 1494 Siskiyou Salmon Mountains, western Siskiyou County. The High Lake Basins in the vicinity of English Peak, Marble Mountain Wilderness Area. In Horse's Hole near Horse Range Lake Comment
  JEPS57173 Image available Potentilla cristae L. R. Heckard 1967-8-13 1702 Siskiyou Summit Region of Mount Eddy 2743 Comment
  UC1409340  Potentilla drummondii Frederick W. Oettinger 1969-7-13 1001 Siskiyou moist meadow n Upper English Lake (High Lake Basins in the vicinity of English Peak, w Siskiyou County); Salmon Mountains, Marble Mountain Wilderness Area, English P 1950 Comment
  UC1409453  Potentilla drummondii Frederick W. Oettinger 1968-9-7 769 Siskiyou ridge se Tobacco Lake Meadow (High Lake Basins in the vicinity of English Peak, w Siskiyou County); Salmon Mountains, Marble Mountain Wilderness Area, English P 1889 Comment
  CAS-BOT-BC142034  Potentilla drummondii Harley P. Chandler 1901-6-1 1564 Siskiyou Ridges and meadows naer Marble Mountain 1828 Comment
  CAS-BOT-BC143262  Potentilla flabellifolia Geo. D. Butler 1908-8-8 357 Siskiyou Marble Valley Comment
  UC574870  Potentilla gracilis var. fastigiata John Thomas Howell 1937-7-22 13277 Siskiyou South Fork of the Salmon River near Big Flat; South Fork Salmon River near Big Flat 1524 Comment
  CAS-BOT-BC540547  Potentilla gracilis var. fastigiata Wm. Bridge Cooke 1940-6-6 15040 Siskiyou Castle Lake Road west of Shasta Springs 1524 Comment
  HSC29385  Potentilla gracilis var. fastigiata Frederick W. Oettinger 1968-9-10 816 Siskiyou Marble Mtns. Wilderness Area, Horse Range Lake meadow 1829 Comment
  LA208101  Potentilla gracilis var. fastigiata W. B. C.; 1939-7-7 13591 Siskiyou Mount Shasta, Bear Springs 1523 Comment
  CHSC71499  Potentilla millefolia Vernon H. Oswald; Lowell Ahart 1998-7-21 9342 Siskiyou Northeast of Weed and east of Grass Lake on the south side of Tennant Rd. 0.2 mi southeast of Old State Hwy. to Bray and on the east side of the intermittent stream draining Dry Lake. 1402 Comment
  RSA716051  Potentilla millefolia L. Ahart 2005-6-10 12095 Siskiyou 30 yards E of the Shasta River, near the south fence, 100 yards S of the pump house along the Shasta River, about 1.9 air miles S of highway 99/97 cutoff, about 6 air miles ESE of Grenada. 777 Comment
  UC195253  Potentilla millefolia Annie M. Alexander and Louise Kellogg 1911-6-4 110 Siskiyou Mayten Comment
  HSC32245  Primula suffrutescens J. O. Sawyer 1970-8-5 2357 Siskiyou Sawtooth Ridge S of Caribou Lake 2195 Comment
  HSC44891  Prosartes hookeri Maralyn O'Meara 1974-5-25 407 Siskiyou Along road to Duck Lakes trail 1402 Comment
  CAS-BOT-BC516389  Prosartes hookeri Alice Eastwood 1923-5-27 11941 Siskiyou Shasta Springs on road to McCloud Comment
  SEINET3157235  Prunus demissa G. D. Butler 1910-7-24 1795 Siskiyou Yreka Creek Comment
  CAS-BOT-BC158223  Prunus emarginata D. E. Breedlove 1962-6-11 3368 Siskiyou Along State Highway 89, 8.0 miles east of McCloud; Cascade Mountains 1127 Comment
  CDA26150  Prunus emarginata T. C. Fuller 1960-5-26 4345 Siskiyou 2 miles south of Mt. Shasta City. 0 Comment
  RSA23400  Prunus emarginata Annetta Carter 1939-8-19 s.n. Siskiyou 3.5 miles N of Dunsmuir. 915 Comment
  SBBG27199  Prunus subcordata L. Constance, R. C. Rollins 1942-5-14 2922 Siskiyou rd to Walker Post Office, 3 mi W of Yreka 1219 Comment
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Mar 27 2013
  UC1539991  Prunus virginiana var. demissa M. Mitchell 1936-5-12 17 Siskiyou n side of Eaglenest, Lava Beds National Monument, Eaglenest Eaglenest; Lava Beds National Monument, Eaglenest 1584 Comment
  UC1185304  Pseudostellaria jamesiana H. E. Brown 1897-6-10 Siskiyou near Sisson; near Sisson 1083 Comment
  UC165936  Pseudostellaria jamesiana Geo. D. Butler 1909-6-13 966 Siskiyou Moffitt Creek Comment
  RSA572073  Pseudotsuga menziesii L. C. Wheeler 1934-9-4 3243 Siskiyou Bear Creek off west fork of Beaver Creek. 1372 Comment
  HSC31981  Pseudotsuga menziesii var. menziesii Steve Selva, Roger Jensen 1974-8-17 23 Siskiyou 300 yds above base of Sugar Lake Trail along USFS Rd. 40N23 (Road 8) Comment
  CAS-BOT-BC460556  Pterospora andromedea H. A. Thomas; J. H. Thomas 1954-7-21 4400 Siskiyou Salmon-Trinity Mts. About 6 miles SE of Cecilville. West side of Rush Creek 1158 Comment
  CDA38858  Pterospora andromedea J. R. Grisham 1962-7-26 s.n. Siskiyou Near Medicine Lake. 0 Comment
  CHSC8611  Purshia tridentata G. Smalley 1967-7-15 Siskiyou Collected ca. 10 miles e of Fort Jones. 1371 Comment
  SEINET9342725  Purshia tridentata Unknown 2009-5-31 Siskiyou High elevation, semi-arid desert ecosystem; native species; collected at Lava Beds National Monument, directly South of Tulelake, CA. Comment
  CAS-BOT-BC147898  Purshia tridentata var. tridentata A. A. Heller 1916-6-23 12439 Siskiyou Near Black Butte north of Sisson 1127 Comment
  RSA605983  Purshia tridentata var. tridentata Louis C. Wheeler 1935-6-13 3571 Siskiyou Mill Creek. Quartz Valley. 945 Comment
  JEPS26519  Pyrola aphylla Lauramay T. Dempster 1961-7-1 1848 Siskiyou Mill Creek near Etna 1219 Comment
  RSA0082806  Pyrola aphylla R. F. Thorne 1969-8-2 63333 Siskiyou Trail to upper English Lake along Salmon River. Klamath National Forest, Salmon Mountains, Marble Mountain Wilderness Area, high lake basins in the vicinity of English Peak. 1159 Comment
  RSA0082809  Pyrola aphylla M. B. Dunkle 1944-8-8 9166 Siskiyou Hungry Creek. 1768 Comment
  UC166595  Pyrola asarifolia Geo. D. Butler 1910-7-9 1698 Siskiyou Shackleford Creek 1219 Comment
  HSC61839  Pyrola dentata Ruby Van Deventer 1938-7-31 Siskiyou Poker Flat 1585 Comment
  CAS-BOT-BC462796  Pyrola dentata Arthur Menzies 1962-7-21 s.n. Siskiyou Morgan Meadows, base of Mt. Eddy 1706 Comment
  CAS-BOT-BC462805  Pyrola dentata Marion Ownbey; Fred G. Meyer 1940-7-8 2225 Siskiyou Near summit of Siskiyou Mountains, 17 miles N of Happy Camp Comment
  CAS-BOT-BC462807  Pyrola dentata L. N. Lorenzen no date on label 28679 Siskiyou Shasta Forest, Tamarack Springs 1676 Comment
  HSC17973  Pyrola dentata R. C. Wunner 1965-7-20 403 Siskiyou Lava Beds National Monument, near upper part of Black Lava flow along Old Tichner Rd. 1616 Comment
  RSA0080484  Pyrola dentata Marion Ownbey, Fred G. Meyer, Findley Ownbey 1940-7-8 2225 Siskiyou Near summit of Siskiyou Mountains, 17 miles north of Happy Camp. Comment
  HSC19202  Pyrola picta J. O. Sawyer 1968-7-2 373 Siskiyou Upper drainage of Joe Creek on steep N facing slopes. 1677 Comment
  UC1347200  Pyrola picta John Thomas Howell 1937-7-26 13520 Siskiyou Salmon Trinity Alps, Caribou Basin Caribou Basin; Salmon Trinity Alps, Caribou Basin 1981 Comment
  SD75841  Pyrola secunda D. F. Howe 1969-8-30 4672 Siskiyou Blake's Creek, north fork Salmon River, 20 miles southwest of Aetna 1829 Comment
  UC563092  Pyrrocoma racemosa var. paniculata Elmer I. Applegate 1923-8-21 3925 Siskiyou s of Lower Klamath Marsh; Willow Creek Comment
  HSC72275  Pyrrocoma racemosa var. pinetorum J. P. Smith, J. O. Sawyer, Jane Sawyer, Kevin Sawyer 1976-9-5 8967 Siskiyou Hwy 3, 2.5 mi. N of Siskiyou-Trinity County line Comment
  CAS-BOT-BC362387  Pyrrocoma racemosa var. racemosa W. R. Dudley 1899-8-15 s.n. Siskiyou Near Bartles ? Comment
  POM270211  Quercus chrysolepis George B. Grant 1902-09 s.n. Siskiyou Dunsmuir, N. California. Comment
  UC142637  Quercus garryana Copeland 1903-7-14 3522 Siskiyou Klamathon Comment
  CAS-BOT-BC62764  Quercus garryana var. breweri H. E. Brown 1897-7-15 597 Siskiyou on the south side of Mt. Shasta 3048 Comment
  UCD46071  Quercus garryana var. garryana Frank C. Vasek 1975-6-29 750629 7A Siskiyou 2.3 miles east of Callahan, Siskiyou County, California. Comment
  CAS-BOT-BC105465  Quercus kelloggii Alice Eastwood 1923-5-20 s.n. Siskiyou Shasta Springs Comment
  CAS-BOT-BC105467  Quercus kelloggii Lewis S. Rose 1925-7-12 s.n. Siskiyou Shasta Springs Comment
  HSC18919  Quercus kelloggii J. O. Sawyer 1969-8-4 1883 Siskiyou SE slope above S Sugar Lake 2165 Comment
  UC61189  Quercus kelloggii W. A. Setchell, C. C. Dobie Jul 1902 Siskiyou Sisson Tavern Mount Shasta Comment
  CAS-BOT-BC104357  Quercus sadleriana D. E. Breedlove 1962-6-10 3289 Siskiyou on SW slope of Little Greyback Mountain along Indian Creek Road from O'Brien to Happy Camp, 20.7 miles NW of Happy Camp 1554 Comment
  LA205354  Quercus sadleriana Elizabeth Epling; 1939-7-6 5221 Siskiyou on Takilma-Happy Camp road 1676 Comment
  LA86551  Quercus sadleriana Sandra L. Holloway; 1963-10-12 77 Siskiyou Marble Mountain Wilderness Area, junction Red Rock Valley trail and Canyon Creek trail 1341 Comment
  RSA281650  Quercus sadleriana S. O. Mattoon 1979-8-3 70 Siskiyou Bolan Lake, 12 air miles ESE of Hwy 199 and Obrien ore and 3 air miles N of Del Norte county, Siskiyou Mountains. 1829 Comment
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Jun 25 2013
  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
  UCD47243  Quercus sadleriana P. C. Everett; E. K. Balls 1954-10-12 20274 Siskiyou Horse Creek to Dry Lake Lookout, 2 miles west of Lookout, Siskiyou County. 1920 Comment
  UCD47256  Quercus sadleriana John M. Tucker 1972-8-8 4247 B Siskiyou (Q. garryana Hook. var. breweri (Engelm.) Jepson). California, Siskiyou Co.; Marble Mountains, trail from Whiskey Camp to Elk Peak, ca. 2.5 mi. west-southwest of Marble Valley Guard Station (extreme southeast corner of Section 20, R.11W., T.42N. 1828 Comment
  CAS-BOT-BC104624  Quercus vacciniifolia A. A. Heller 1914-8-28 11728 Siskiyou East side of Mt. Eddy 1676 Comment
  CAS-BOT-BC104635  Quercus vacciniifolia David D. Keck 1938-8-8 4864 Siskiyou Scott Mts., ridge between Mill and Mule creeks, 3 mi SE of Scott Mountain Lodge 1400 Comment
  HSC31796  Quercus vacciniifolia Steve Selva, Roger Jensen 1974-8-16 11 Siskiyou Above Sugar Lake Comment
  RSA237820  Quercus vacciniifolia Frederick W. Oettinger 1968-9-8 783 Siskiyou On east side of English Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1753 Comment
  RSA237831  Quercus vacciniifolia Frederick W. Oettinger 1969-8-22 1490 Siskiyou Horse Range Lake Basin. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. Comment
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Dec 10 2015
  SEINET10970880  Quercus vacciniifolia Patricia L. Kenney 1973-6-4 Kenney 385 Siskiyou On steep roadbank along road from cecilville to callahan; 6.4 miles w of Callahan 1737 Comment
  UC9358  Ranunculus alismifolius var. alismifolius Milo S. Baker 1893-6 Siskiyou Medicine Lake; near shore Comment
  RSA238280  Ranunculus aquatilis var. capillaceus Frederick W. Oettinger 1969-9-5 1679 Siskiyou Salamander Pond near Abbotts Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. Comment
  RSA715780  Ranunculus cymbalaria var. saximontanus L. Ahart, John Dittes 2005-6-9 12040 Siskiyou About 3/5 mile (air) south of Highway 99/97 Cutoff, about 2 1/2 miles (air) east-southeast of Grenada. 775 Comment
  JEPS60727  Ranunculus eschscholtzii Geo. D. Butler 1908-8-8 355 Siskiyou Marble Valley Camp 1524 Comment
  POM99951  Ranunculus glaberrimus var. ellipticus Geo. D. Butler 1910-3-6 1117 Siskiyou Shasta River Comment
  SJSU6481  Ranunculus occidentalis R. W. Trivelpiece 1972-6-9 95 Siskiyou c. 4 mi E of Grass L 1524 Comment
  UC375273  Ranunculus occidentalis Geo. D. Butler 1908-6-28 362 Siskiyou near Oro Fino Comment
  HSC68500  Ranunculus occidentalis var. occidentalis Maralyn A. Renner 1980-6-22 902 Siskiyou Slopes N of Little Shasta River 1372 Comment
  HSC598  Ranunculus orthorhynchus var. orthorhynchus William J. Ferlatte 1966-6-23 145 Siskiyou Big Flat, near public camp 1524 Comment
  SBBG2264  Ranunculus orthorhynchus var. orthorhynchus H. and M. Dearing 1939-6-5 3555 c Siskiyou E of McCloud 1066 Comment
  UC796607  Ranunculus orthorhynchus var. orthorhynchus Roxana S. Ferris and Laura Lorraine Jun 12 1948-Jun 16 1948 11820 Siskiyou Parker Ranch Plowman's (Noyes) Valley, e. fork of Scott River Drainage 1203 Comment
  HSC22483  Rhodiola integrifolia subsp. integrifolia J. O. Sawyer 1969-7-24 1485 Siskiyou SW of Sugar Lake 1890 Comment
  RSA184694  Rhodiola integrifolia subsp. integrifolia Gilbert Muth 1966-7-31 474 Siskiyou North side of Black Mountain, Marble Mountains 2058 Comment
  RSA700048  Rhododendron californicum Leo Miller 1938-07 s.n. Siskiyou Siskiyou, Mountains. 915 Comment
  HSC101869  Rhododendron columbianum R. D. Whittlesey 2013-8-3 13 Siskiyou 3.2 mi. west on Castle Creek Rd. from Castella, and 3.0 mi. up Sulfur Creek Climber's Trail. 1585 Comment
  RSA697561  Rhododendron macrophyllum Leo Miller 1938-07 s.n. Siskiyou Siskiyou, Mountains. 915 Comment
  HSC69107  Rhododendron occidentale var. paludosum Maralyn A. Renner 1980-8-6 2300 Siskiyou Cracker Meadow 1555 Comment
  RSA471030  Rhododendron occidentale var. paludosum Maude Minthorn 1922-06 s.n. Siskiyou Near California - Oregon Line Comment
  SEINET3151601  Ribes aureum G. D. Butler 1910-4-19 1203 Siskiyou Yreka Creek Comment
  CAS-BOT-BC92874  Ribes bracteosum T. H. Harris 1951-6-1 s.n. Siskiyou Indian Creek, Happy Camp. 457 Comment
  CHSC9494  Ribes cereum J. F. Goodwin 1971-7-3 132 Siskiyou North side of road on dry rocky bank, 3.0 mi. south of Mt. Shasta Ski Bowl area. 2087 Comment
  HSC26000  Ribes cereum D. H. Norris, Thomas W. Nelson, S. Dowty 1971-6-23 19535 Siskiyou Snowman's Hill Summit 3 mi. W of McCloud on Hwy. 89 Comment
  UC858417  Ribes cereum Frank W. Gould 1940-5-15 1254 Siskiyou on road from Mt. Hebron to Montague; Bald Mountain 1676 Comment
  RSA0024871  Ribes cereum Milo S. Baker 1957-6-16 13101 Siskiyou Trip to Scott Mt. after turn off near Callahan. Comment
  HSC43330  Ribes cereum var. cereum Maralyn O'Meara 1974-5-27 471 Siskiyou Along FS Rd. 47N03 1646 Comment
  NY185916  Ribes glanduliferum A. A. Heller 1905-6-9 8005 Siskiyou Yreka Comment
  HSC99923  Ribes inerme var. inerme J. O. Sawyer, & R. J. Cole 2010-6-26 4610 Siskiyou Hilt-Hungry Road, Klamath National Forest. 845 Comment
  UC642577  Ribes inerme var. inerme W. Bridge Cooke 1939-7-21 13702 Siskiyou in the vicinity of the outlet of the Municipal Spring above Howard; Mount Shasta Comment
  JEPS80601  Ribes lacustre Gilbert Muth 1966-7-29 458 Siskiyou Marble Valley Marble Mt. Wilderness Area 1795 Comment
  HSC31732  Ribes lobbii Glenn McGourty 1974-5-25 57 Siskiyou Along Road 8, 4.7mi W of junction with Hwy. 3 1159 Comment
  CAS-BOT-BC212490  Ribes marshallii Doris K. Kildale 1928-8-20 6605 Siskiyou Lily Pad Lake nera Hancock Lookout Trail to Marble Mt. 1981 Comment
  HSC69715  Ribes marshallii Maralyn A. Renner 1980-7-15 1768 Siskiyou English Lake inlet 1780 Comment
  CAS-BOT-BC217881  Ribes nevadense Marcus E. Jones 1931-7-17 29003 Siskiyou Shasta City (Session's) Comment
  CAS-BOT-BC219260  Ribes nevadense John Thomas Howell 1937-7-26 13528 Siskiyou Caribou Basin, Salmon-Trinity Alps 2286 Comment
  HSC20369  Ribes roezlii var. cruentum C. B. Wolf 1927-8-26 1068 Siskiyou On the Klamath River, 8 mi. above Hamburg Comment
  UC455589  Ribes roezlii var. cruentum I. J. Condit 1911-7-22 Siskiyou trail to Horse Camp; Mt. Shasta 1524 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
  HSC19374  Ribes sanguineum J. O. Sawyer 1968-9-13 705 Siskiyou W of the Happy Camp/O'Brien Rd. between Louse Creek and Indian Creek, on the E slopes of Little Grayback 1463 Comment
  UC1408854  Ribes sanguineum Frederick W. Oettinger 1969-7-9 936 Siskiyou nw Upper English Lake; Salmon Mountains, Marble Mountain Wilderness Area 1920 Comment
  CAS-BOT-BC173909  Ribes velutinum Alice Eastwood; John Thomas Howell 1934-4-20 1758 Siskiyou Near Yreka along Shasta River Comment
  UCR17261  Ribes velutinum Frank C. Vasek 1975-6-29 750629- 03 Siskiyou 4.3 mi SW of Gazelle Comment
  SEINET10627997 Image available Ribes velutinum A. Arthur Heller 1905-6-9 Heller 8005 Siskiyou Yreka. Comment
  CAS-BOT-BC168791  Ribes viscosissimum Wm. Bridge Cooke 1938-6-17 11005 Siskiyou Sisson Southern Trail, Mount Shasta 1676 Comment
  CAS-BOT-BC168794  Ribes viscosissimum A. M. Vollmer; L. Beane 1951-6-2 55 Siskiyou Road between Streamline Lodge and Deer Camp, north of Klamath River Highway Comment
  UC1182087  Ribes viscosissimum C. R. Quick 1936-8-18 Siskiyou near summit Siskiyou Mountains (Poker Flat) Comment
  POM30110  Rigiopappus leptocladus Geo D. Butler 1910-5-16 1354 Siskiyou Near Yreka. Comment
  CHSC734  Romanzoffia sitchensis M. Yoder 1941-7-11 Siskiyou Castle Lake. 1981 Comment
  CAS-BOT-BC74659  Rorippa curvisiliqua Alice Eastwood 1921-7-28 10914 Siskiyou Medicine Lake. Comment
  JEPS84186  Rorippa curvisiliqua L. R. Heckard with J. Hickman et al. 1986-7-17 6513 Siskiyou n slope Condrey Mt.; n slope Condrey Mt. 1960 Comment
  POM277823  Rosa copelandii E. B. Copeland 1903-9-8 3875 Siskiyou Mt. Eddy. 1463 Comment
  NY345428  Rosa eastwoodiae A. Eastwood 1912-9-4 2100 Siskiyou Sisson Comment
  CAS-BOT-BC146742  Rosa gymnocarpa John Thomas Howell 1939-8-4 15036 Siskiyou Between Elk Mt. and Marble Rim, Marble Mts. Comment
  JEPS47278  Rosa gymnocarpa Ruby Van Deventer 1938-7-31 271 Siskiyou Twin Valley 1219 Comment
  RSA300567  Rosa nutkana John Dourley, Walter Wisura 1982-10-15 3871 Siskiyou Near fish hatchery on W side of town of Mt. Shasta. 1067 Comment
  CAS-BOT-BC147054  Rosa pisocarpa C. B. Wolf 1931-9-2 2390 Siskiyou Near Fish Hatchery, Mt. Shasta City (Sisson) 1066 Comment
  CAS-BOT-BC147066  Rosa pisocarpa E. K. Balls; P. C. Everett 1952-10-13 18185 Siskiyou 3.6 mi. s.w. of turn off to Ney Springs on road from town of Mt. Shasta to Castle Lake 1524 Comment
  CAS-BOT-BC147079  Rosa pisocarpa A. A. Heller 1915-7-18 12112 Siskiyou Metcalf's ranch, northeast base of Mt. Eddy 1188 Comment
  RSA11802  Rosa pisocarpa Elmer I. Applegate 1923-8-21 3919 Siskiyou Willow Creek, south of Lower Klamath Marsh Comment
  CAS-BOT-BC156599  Rubus bifrons William M. Hiesey 1947-8-23 557 Siskiyou Klamath River along Highway 96, one mile west of Beaver Creek (2 mi. N. of Walker) 548 Comment
  HSC61951  Rubus lasiococcus Ruby Van Deventer 1959-7-9 Siskiyou Poker Flat 1555 Comment
  UC637072  Rubus lasiococcus Edward Lee 1934-8-13 1079 Siskiyou Happy Camp to Waldo (Oregon) (watershed of West Branch of Indian Creek, Klamath National Forest); Klamath National Forest, West Branch Indian Creek watershed 1463 Comment
  CAS-BOT-BC147982  Rubus leucodermis Ira L. Wiggins 1955-7-22 13456 Siskiyou Gravel bar in S Fork of Salmon R, 9.5 mi. above Cecilville 1066 Comment
  HSC99688  Rubus leucodermis G. L. Clifton, Terry Griswold 1979-6-27 6092 Siskiyou Near Shackleford Creek, close to the town of Greenview 1342 Comment
  UCD77978  Rubus leucodermis Robert E. Preston 2001-6-30 1659 Siskiyou Klamath National Forest, Hemlock Lake, T42N R1W se 1/4 of se 1/4 Section 14 1889 Comment
  UC1483467  Rumex acetosella Maralyn A. Renner 1980-7-24 2040 Siskiyou Lily Pad Lake Klamath National Forest, Seiad Valley Quad. 1767 Comment
  JEPS93887  Rumex crispus Vernon H. Oswald and Lowell Ahart 1998-7-21 9345 Siskiyou 0.2 mi se of Old State Highway to Bray (ne of Weed and e of Grass Lake on the s side of Tennant Road, and on e side of intermittent stream draining Dry Lake); Tennant Road 1402 Comment
  JEPS3041  Rumex occidentalis Willis L. Jepson Jul 24 1894-Aug 10 1894 14852 Siskiyou Sisson Upper Sacramento Region, Strawberry Valley Comment
  CDA23190  Rumex stenophyllus R. Pederson, G. Pederson 1979-10-1 108 Siskiyou Lower Klamath National Wildlife Refuge, beside gate at shop entrance. Comment
  CAS-BOT-BC103367  Salix bonplandiana Thos. Howell 1889-4-14 1393 Siskiyou Hornbrook Comment
  HSC34135  Salix eastwoodiae J. O. Sawyer 1969-8-4 1915 Siskiyou Headwaters of S Sugar Creek. 2043 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
  CAS-BOT-BC107780  Salix hindsiana Mrs. H. P. Bracelin 1931-6-22 477 Siskiyou Pit River at Gibson flat station, 125 km. north of Red Bluff 450 Comment
  CAS-BOT-BC107654  Salix jepsonii Alice Eastwood 1921-7-24 10716 Siskiyou Castle Lake Comment
  RSA101634  Salix laevigata Thomas Howell 1889-4-14 1393 Siskiyou Hornbrook. Comment
  RSA610753  Salix laevigata Louis C. Wheeler 1935-5-11 3473 Siskiyou Klamath River at Ash Creek; Siskiyou Mountains. 610 Comment
  UC1196581  Salix lasiandra subsp. lasiandra Joseph P. Tracy 1935-8-1 14407 Siskiyou on ridge between Salmon <River> and New River (at extreme head of W. Fork Knownothing Creek); W. Fork Knownothing Creek 1889 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
  CAS-BOT-BC125447  Salix lasiandra var. lasiandra Mrs. H. P. Bracelin 1931-6-19 429 Siskiyou North base of Mount Eddy, about 10 km. northwest of Shasta City; east of Metcalf ranch house 1200 Comment
  SD1001  Salix lasiandra var. lasiandra Mrs. H. P. Bracelin 1931-6-19 423 Siskiyou Northeast side of Mount Eddy, about 16 km northwest of Shasta City, edge of stream above Metcalf ranch house 1349 Comment
  CAS-BOT-BC107062  Salix lasiolepis Mrs. H. P. Bracelin 1931-6-21 469 Siskiyou North side of Mount Eddy, about 21 km. northwest of Shasta City 1650 Comment
  CAS-BOT-BC107077  Salix lasiolepis s.n. Siskiyou 11 miles N.W. from Mt. Shasta City, and about 2 miles E. of Burney Mill, N. base of Mt. Eddy 1127 Comment
  POM107144  Salix lasiolepis Geo. D. Butler 1909-9-20 1083 Siskiyou Yreka Creek. Comment
  POM219891  Salix lasiolepis H. P. Bracelin 1931-6-19 412 Siskiyou NE side of Mt Eddy. About 16 km NW of Shasta City. Above Metcalf ranch house. 1425 Comment
  POM219903  Salix lasiolepis H. P. Bracelin 1931-6-21 469 Siskiyou N side of Mt Eddy. About 21 km NW of Shasta City. 1650 Comment
  UC375225  Salix lasiolepis Geo. D. Butler 1909-3-13 1081 Siskiyou along creek near Yreka (Butler's Ranch, just below junction of Hamburg Gulch) Comment
  CAS-BOT-BC128348  Salix lasiolepis var. lasiolepis L. E. Smith 1913-3-28 613 Siskiyou Weed Comment
  POM219902  Salix lemmonii H. P. Bracelin 1931-6-20 448 Siskiyou E side of Mount Eddy. About 17 km NW of Shasta City. Wagon Creek Canyon. About 1 km up from Metcalf ranch house. 1170 Comment
  CAS-BOT-BC125687  Salix melanopsis A. A. Heller 1905-6-17 8058 Siskiyou Near Sisson Comment
  POM213972  Salix melanopsis Isabelle C. Kimber 1934-6-9 12 Siskiyou Steelbridge Camp, Sacramento River just above confluence with Ney Creek. 732 Comment
  UC437366  Salix melanopsis Annie M. Alexander and L. Kellogg 1911-6-13 142 Siskiyou 6 mi. n.w. Callahan Comment
  CAS-BOT-BC125692  Salix melanopsis W. R. Dudley 1907-8-23 s.n. Siskiyou South Fork Salmon by crossing of trail to 4 mile camp Comment
  SEINET11957679  Salix monochroma Unknown 1965-1 1061 Siskiyou Johnson Creek, near Etna 0 Comment
  CAS-BOT-BC126155  Salix scouleriana Alice Eastwood 1912-7-17 1179 Siskiyou Sisson Comment
  HSC19449  Salix scouleriana J. O. Sawyer 1969-8-4 1814 Siskiyou Above Sugar Lake 2134 Comment
  HSC28679  Salix scouleriana Frederick W. Oettinger 1969-8-1 1135 Siskiyou Marble Mtn. Wilderness Area, English Lake Basin 1707 Comment
  RSA186319  Salix scouleriana Gilbert Muth 1966-10-16 1 Siskiyou Marble Mountains 1793 Comment
  SBBG28808  Salix scouleriana Mrs. H. P. Bracelin 1931-6-19 435 Siskiyou N base of Mount Eddy, ca. 10 km NW of Shasta City, E of Metcalf ranch house 1080 Comment
  SD877  Salix scouleriana Mrs. H. P. Bracelin 1931-6-21 472 Siskiyou North base of Mount Eddy, about 13 km northwest of Shasta City, at bridge about 1.3 km east of Burney Mill 1110 Comment
  UC375239  Salix scouleriana Geo. D. Butler 1908-8-11 148 Siskiyou Shackleford Creek Comment
  UC481726  Salix scouleriana Mrs. H. P. Bracelin 1931-6-21 472 Siskiyou ca. 13 km. n.w. Shasta City (at bridge ca. 1.3 km. e. of Burney Mill, n. base Mt. Eddy); n. base Mt. Eddy 1110 Comment
  UC576392  Salix scouleriana Mrs. H. P. Bracelin 1936-9-3 859 Siskiyou 11 mi. n.w. from Shasta City (ca. 2 mi. e of Burney Mill, at 2nd. bridge, n. base of Mt. Eddy); Mt. Eddy 1127 Comment
  RSA0016960  Salvia dorrii subsp. dorrii P. Quentin Tomich 1954-6-24 425 Siskiyou Sentinal Cave, Lava Beds National Monument 1479 Comment
  CAS-BOT-BC220806  Salvia dorrii var. dorrii Elmer I. Applegate 1932-6-13 7242 Siskiyou Lava Beds National Monument. Captain Jack's Stronghold, north of the monument area, near old shoreline of Tule Lake Comment
  UC1539980  Salvia dorrii var. dorrii M. Mitchell 1936-5-21 45 Siskiyou Frozen River Cave; Lava Beds National Monument Comment
  CAS-BOT-BC225206  Salvia sonomensis L. E. Smith 1913-8-12 521 Siskiyou McCloud Comment
  UC144539  Salvia sonomensis A. A. Heller 1905-6-16 8044 Siskiyou near Sisson Comment
  RSA238832  Sambucus microbotrys Frederick W. Oettinger 1968-8-6 423 Siskiyou Along lake trail on the southeast side of Hancock Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1936 Comment
  HSC22460  Sambucus racemosa var. racemosa J. O. Sawyer 1969-7-18 1371 Siskiyou E of Waterdog Lake 2012 Comment
  UC642521  Sanicula tuberosa W. Bridge Cooke 1939-6-23 13524 Siskiyou between Bear Springs and Wagon Camp (Mount Shasta); Mount Shasta 1676 Comment
  UCD20772  Santolina chamaecyparissus Steve Orloff 2002-6-25 s.n. Siskiyou Siskiyou County. City of Granada, south of Yreka. Comment
  SD79816  Saponaria officinalis Helen V. Witham 1969-10-7 580 Siskiyou Along Scott River. 500 Comment
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Jul 10 2010
  RSA70031  Sarcobatus vermiculatus F. W. Peirson 1923-7-19 3717 Siskiyou 2 miles below Oregon line, lowest dry Klamath lake. Comment
  RSA210860  Sarcobatus vermiculatus James Henrickson, C. Tilforth 1969-9-3 39040 Siskiyou 2 mi W of Lower Kalmath National Wildlife refuge 1296 Comment
  JEPS82700  Saxifraga aprica Wayne Roderick 1984-6-5 Siskiyou 12 air km sw of Mount Shasta City (aabove Castle Lake) 1981 Comment
  POM142438  Saxifraga aprica Copeland 1903-8-18 3845 Siskiyou Mt. Eddy. Comment
  UC909373  Saxifraga aprica Ira L. Wiggins 1950-5-28 12387 Siskiyou .3 mi w of Carmen Lake 1706 Comment
  UC1190119  Saxifraga bryophora Ira L. Wiggins 1955-7-27 13547 Siskiyou Salmon-Trinity Alps Primitive Area, Caribou Lake Caribou Lake; Trinity Alps, Salmon-Trinity Alps Primitive Area, Caribou La 2042 Comment
  SEINET3411466 Image available Saxifraga mertensiana E. A. Meola 1939-4-22 68 Siskiyou Siskiyou lowlands; near Gasquet Comment
  HSC64879  Saxifragopsis fragarioides D. L. Goforth 1979-7-19 269 Siskiyou Caribou Lakes Basin, .5 mi. S of upper lake 2195 Comment
  HSC69118  Saxifragopsis fragarioides Maralyn A. Renner 1980-8-7 2390 Siskiyou Klamath National Forest, NW flank of Preston Peak, near summit 2180 Comment
  UCD126453  Schedonorus arundinaceus Roseman 1913-1 36 Siskiyou Butte Valley. Comment
  RSA121320  Schedonorus pratensis H. S. Yates 1936-6-21 5866 Siskiyou 6 miles N of Gazelle. 793 Comment
  CAS-BOT-BC283651  Schedonorus pratensis W. B. C. 1938-9-17 11694 Siskiyou Horse Camp, Mount Shasta Comment
  CAS-BOT-BC283654  Schedonorus pratensis John Thomas Howell 1952-6-15 28369 Siskiyou N of Grenada Comment
  RSA598072  Scirpus L. C. Wheeler 1963-9-3 8348 Siskiyou Siskiyou Mountains. Young's Valley, head of Clear Creek 1402 Comment
  CAS-BOT-BC35599  Scirpus congdonii Louis C. Wheeler 1934-8-14 3126 Siskiyou North side of White Mtn. 1767 Comment
  HSC19534  Scirpus congdonii J. O. Sawyer 1968-7-22 552 Siskiyou Between Handcock and Diamond Lakes 1951 Comment
  HSC82377  Scirpus congdonii Thomas W. Nelson, Jane P. Nelson, J. P. Smith 1978-7-24 4530 Siskiyou Siskiyou-Trinity County line, head of Scott Mtn. Creek, S of Forest Service campground 1646 Comment
  JEPS19774  Scirpus congdonii Rimo Bacigalupi with S. Galen Smith 1957-6-26 5954 Siskiyou springy bog at w end Gumboot Lake (head of South Fork Sacramento River, close to Trinity County line); head of South Fork Sacramento River, w end Gumboot Lake 1859 Comment
  JEPS63953  Scirpus lineatus Geo. D. Butler 1909-5-23 857 Siskiyou near Yreka; near Yreka Comment
  RSA483308  Scribneria bolanderi L. C. Wheeler 1935-5-1 3450 Siskiyou Yreka Creek. Siskiyou Mountains. Mt. Diablo Mer. 854 Comment
  HSC63623  Scutellaria antirrhinoides J. P. Smith, Steve Selva 1970-7-27 4509 Siskiyou Gumboot Lake 1768 Comment
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Jun 7 2012
  HSC63624  Scutellaria antirrhinoides J. P. Smith, Steve Selva 1970-6-14 3867 Siskiyou Comment
  POM69571  Scutellaria antirrhinoides Geo. D. Butler 1910-5-23 1401 Siskiyou Dry land near Yreka Comment
  JEPS94880  Scutellaria galericulata Vernon H. Oswald and Lowell Ahart 1998-7-21 9350 Siskiyou ne of Weed and s of Macdoel (along Old State Highway on the w side of Bray); along Old State Highway on the w side of Bray 1417 Comment
  HSC26548  Secale cereale J. P. Smith, Steve Selva 1970-7-17 4429 Siskiyou Along Klamath River Comment
  JEPS40870  Sedum laxum subsp. heckneri Paul C. Hutchison 1962-8-5 958 Siskiyou 3.7 mi above mouth Carberry Creek (Middle Fork Applegate River, e-facing cliffs); Middle Fork Applegate River, above mouth Carberry Creek 762 Comment
  CHSC118116  Sedum moranense Nick Otting; Dick Brainerd 2014-7-6 3832 Siskiyou Klamath Mountains, Lake Mountain, hairpin of foresst road just below peak, 7 air miles west of Scott Bar. UTM zone 10 489704E 4621479N WGS84. 2034 Comment
  CHSC460  Sedum obtusatum subsp. boreale V. Holt 1932-6-26 Siskiyou Mt. Eddy. 1981 Comment
  UC772714  Sedum obtusatum subsp. boreale Robert T. Clausen, W. B. Cooke, and Harold Trapido 1940-7-26 4952 Siskiyou e side Mud Creek Canyon; Mt. Shasta, Sacramento River Basin 1706 Comment
  HSC19431  Sedum obtusatum subsp. retusum J. O. Sawyer 1968-7-9 418 Siskiyou Ridge between Sugar Creek and Duck Lake Creek drainages 2195 Comment
  CAS-BOT-BC64097  Sedum radiatum subsp. depauperatum John H. and Hazelle A. Thomas 1954-7-21 4414 Siskiyou Trinity mts. About 6 miles SE of Cecilville. West side of Rush Ck. 1158 Comment
  CAS-BOT-BC59128  Sedum spathulifolium John Thomas Howell 1939-8-8 15142 Siskiyou Marble Mountains, between Marble Valley and Sky High Valley. Comment
  HSC101838  Sedum spathulifolium J. P. Smith, J. O. Sawyer, R. J. Cole 2011-5-22 13173 Siskiyou Along road from Cecilville to Forks of Salmon 743 Comment
  UC1408848  Selaginella densa var. scopulorum Frederick W. Oettinger 1968-8-5 401 Siskiyou ridges between English Peak and Diamond Lake; Salmon Mts, High Lake Basins, English Peak vicinity, Marble 2072 Comment
  CDA8599  Senecio canus T. C. Fuller 1977-6-14 20211 Siskiyou North of Highway 97, 3 km southwest of Deer Mountain Lodge. 0 Comment
  HSC91183  Senecio fremontii Jennifer Whipple 1977-7-20 1990 Siskiyou N slopes of Mount Eddy 2500 Comment
  CDA8622  Senecio hydrophilus T. C. Fuller 1958-9-12 1246 -58 Siskiyou Highway 99, 5 miles south of Yreka. 0 Comment
  CDA8646  Senecio integerrimus var. exaltatus Vernon H. Oswald & Lowell Ahart 1998-6-11 9216 Siskiyou Butte Valley National Grassland near the junction of Meiss Lake-Sams Neck Road and Highway 97, ca. 5 miles north of Macdoel. Comment
  UC1234602  Senecio integerrimus var. exaltatus Peter H. Raven 1962-5-30 17899 Siskiyou 12.3 mi s MacDoel (U.S. Highway 97) Comment
  UC618630  Senecio integerrimus var. exaltatus unknown 1938-9-8 11675 Siskiyou East Fork of Panther Creek Mount Shasta 2286 Comment
  HSC34129  Senecio integerrimus var. major J. O. Sawyer 1969-6-12 907 Siskiyou Along C.C.C. road just S of Sugar Creek 1463 Comment
  HSC81662  Senecio integerrimus var. major Thomas W. Nelson, Jane P. Nelson 1980-7-17 6082 Siskiyou Along FS Rd. 17, 1 mi. N of summit at county line 2073 Comment
  HSC96289  Senecio triangularis Gordon Leppig 1998-8-14 1010 Siskiyou Klamath National Forest, Russian Wilderness, Little Duck Lake Fen, cirque W of Little Duck Lake 2200 Comment
  SBBG25851  Senecio triangularis D. Myrick 1966-8-10 1520 Siskiyou Salmon Crk Trail at Mountain Meadow Ranch, Big Flat 1676 Comment
  UC36018  Senecio triangularis Milo S. Baker 1893-6 Siskiyou 6 mi below Bartles (McCloud River); McCloud River Comment
  HSC61998  Senecio triangularis Ruby Van Deventer 1939-7-19 Siskiyou Poker Flat 1585 Comment
  CAS-BOT-BC364788  Sericocarpus oregonensis subsp. oregonensis A. A. Heller 1914-8-25 11700 Siskiyou Near Deetz Station opposite (near) Black Butte 1158 Comment
  UC60959  Sericocarpus oregonensis subsp. oregonensis Geo. B. Grant 1902-9-1 5084 Siskiyou Sisson Mount Shasta 914 Comment
  UC13069  Sibbaldia procumbens W. H. Brewer 1862-9-13 1374 Siskiyou Mount Shasta; near Camp 99 2560 Comment
  HSC19470  Sibbaldia procumbens J. O. Sawyer 1969-7-10 1128 Siskiyou SW facing slope W of Russian Lake 2210 Comment
  JEPS67298  Sidalcea asprella W. L. Jepson 1937-7-30 18551 Siskiyou Poker Flat Siskiyou Mts., headwaters Indian Creek (headwaters Indian Creek) 1584 Comment
  RSA88001  Sidalcea malviflora subsp. asprella C. L. Hitchcock 1952-6-30 19642 Siskiyou 11 miles north of happy Camp on road to Waldo. Comment
  HSC77411  Sidalcea malviflora subsp. celata L. P. Janeway 1983-8-16 548 Siskiyou Poker Flat 1524 Comment
  SBBG4716  Sidalcea oregana H. and M. Dearing 1939-6-30 3757 Siskiyou Callahan-Trinity Alps Rd 1219 Comment
  JEPS82481  Sidalcea oregana subsp. oregana Gilbert Muth 1965-8-12 212 Siskiyou Black Mt. Marble Mt. Wilderness Area, Black Mt. 1798 Comment
  JEPS75882  Sidalcea oregana subsp. spicata W. J. Ferlatte 1966-8-2 227 Siskiyou S Fork Salmon R , S Fork Salmon R (Trinity Alps) 1524 Comment
  UC60962  Sidalcea oregana subsp. spicata Geo. B. Grant Sept. 1902 5216 a Siskiyou Mount Shasta 914 Comment
  POM84657  Sidalcea oregana subsp. spicata Geo. D. Butler 1910-7-6 1643 Siskiyou Quartz Valley Comment
  UCD116836  Sidalcea oregana subsp. spicata J. Dimling 1989-8-22 154 Siskiyou Deadfall Meadows, Shasta/Trinity National Forest. 1950 Comment
  SEINET3165983  Silene campanulata subsp. glandulosa P. J. Alexander 2008-7-24 870 Siskiyou Below the Pacific Crest Trail on the E side of Lilypad Lake, +-0.6 miles S of Red Butte, +-5.5 miles N of Seiad Valley, Siskiyou Mountains, Rogue River National Forest. 1737 Comment
  JEPS95043  Silene douglasii Vernon Oswald and Lowell Ahart 1997-7-28 8779 Siskiyou Forest Route 56 (42N56) 3.7 mi e of Forest Route 49 (Burnt Lava Flow Virgin Area at Yellow Jacket Ice Cave); Burnt Lava Flow Virgin Area at Yellow Jacket Ice Cave 1755 Comment
  CAS-BOT-BC388949  Silene grayi A. A. Heller 1920-6-29 13403 Siskiyou Near Wagon Creek falls, east side of Mt. Eddy Comment
  CAS-BOT-BC388963  Silene grayi Doris K. Kildale 1928-8-20 6596 Siskiyou Lily Pad Lake, near Hancock Lookout on trail to Marble Mt. Comment
  UC1408877  Silene grayi Frederick W. Oettinger 1969-7-29 1110 Siskiyou high lake basins in vicinity English Peak (n of English Lake, near Lookout, Western Siskiyou County); Salmon Mountains, Marble Mountain Wilderness Area 1920 Comment
  UC1586858  Silene invisa Juha Pykala and D. H. Norris 1987-7-7 2338 Siskiyou e China Mountain (beside a trail from Deadfall Creek Meadow to Stewart Springs); Shasta National Forest, fr Deadfall Crk Mdws to Stewart Spri 1889 Comment
  HSC4217  Silene latifolia Dorothy Parker 1949-6-30 Siskiyou Along banks of Crystal Creek, Scott Valley 872 Comment
  CAS-BOT-BC389432  Silene lemmonii Alice Eastwood 1921-7-24 10745 Siskiyou Castle Lake Comment
  RSA47983  Silene lemmonii Roxana S. Ferris, Laura Lorraine 1948-6-12 11755 Siskiyou French Creek logging road west of Callahan. 1067 Comment
  SEINET10574541 Image available Silene menziesii var. viscosa Edward L. Greene 1876-6-29 Greene 900 Siskiyou Collected near Yreka. Comment
  CHSC216  Silene vulgaris J. Wakeman 1963-6-10 Siskiyou Along road between Ft. Jones and Etna. Comment
  CAS-BOT-BC389910  Silene vulgaris R. S. Richards 1967-6-15 s.n. Siskiyou Hwy 3, 1 mi. s. of Etna Comment
  CHSC93541  Sisymbrium altissimum Lowell Ahart; John Dittes 2005-6-9 12020 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
  HSC44592  Sisyrinchium idahoense var. idahoense Laura Witherspoon 1977-7-12 Siskiyou Flint Valley 1341 Comment
  CDA34724  Solanum dulcamara L. Ahart, John Dittes 2010-7-3 16939 Siskiyou Along the south edge of the Shasta River, about 100 yards east of the East Louie Road Bridge, Shasta Big Springs Ranch, 1.6 miles (air) southwest of Big Springs Lake, 4.6 miles (air) northwest of Dwinnel Dam, 5.7 miles (air) southeast of Grenada. Comment
  RSA50223  Solanum umbelliferum E. K. Balls 1949-7-9 13930 Siskiyou 8.1 Miles from Etna, road to Sawyer's Bar. 915 Comment
  POM58755  Solidago canadensis subsp. elongata Copeland 1903-8-12 3823 Siskiyou Sisson. Comment
  CAS-BOT-BC365555  Solidago elongata L. E. Smith 1913-8-12 518 Siskiyou McCloud Comment
  HSC96300  Solidago elongata Gordon Leppig 1998-8-14 1014 Siskiyou Klamath National Forest, Russian Wilderness, Little Duck Lake Fen, cirque W of Little Duck Lake 2200 Comment
  OBI55475  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
  UC1282003  Solidago velutina subsp. californica Louise Kellogg 1953-8-4 97 Siskiyou n of Callahan near Scott River (edge of Scott Valley); Scott Mountains, edge of Scott Valley Comment
  UC446912  Solidago velutina subsp. californica L. F. Henderson 1929-8-24 11469 Siskiyou near Takilma, Oregon (but over the line in California); near Takilma, Oregon but over the line in California Comment
  CDA7674  Sonchus arvensis subsp. uliginosus T. C. Fuller 1963-8-27 11162 Siskiyou South side of Dorris-Tulelake Road where the roadbed forms the north shore of Lower Klamath Lake, Lower Klamath Lake Wildlife Refuge, ca. 12 miles west of Hatfield. 0 Comment
  CHSC27345  Sorbus scopulina T. B. Devine 1976-9-4 359 Siskiyou Castle Lake. Comment
  UCR70825  Sorbus scopulina L. C. Wheeler 1934-8-8 3068 Siskiyou Siskiyou Mtns., West Fork Beaver Creek 1677 Comment
  HSC18906  Sorbus sitchensis var. sitchensis J. O. Sawyer 1968-6-18 218 Siskiyou Headwaters of Blake's Fork of S Russian Creek 1738 Comment
  RSA68945  Spiraea densiflora var. splendens A. E. Culbertson 1943-7-8 13 Siskiyou E shore of Castle Lake, 5434'. 14 miles SW of Mt. Shasta on N side of a 6600' eastern spur of Trinity Mtns. 2000' above Sacramento River. Within 10 air miles of its headwaters to the W. Comment
  CAS-BOT-BC149695  Spiraea douglasii A. A. Heller 1916-7-20 12464 Siskiyou Metcalf's ranch, northeast base of Mt. Eddy 1188 Comment
  HSC18955  Spiraea douglasii J. O. Sawyer 1969-8-4 1917 Siskiyou South Sugar Creek 2043 Comment
  RSA264963  Spiraea douglasii M. Ekblad 1975-10-16 s.n. Siskiyou Near Shelley Lake. Near Etna. 1634 Comment
  HSC85692  Spiranthes romanzoffiana J. P. Smith 1980-8-24 10341 Siskiyou Scott Mtn. Campground, head of Mule Creek 1646 Comment
  RSA382197  Spiranthes romanzoffiana Louis C. Wheeler 1934-8-14 3117 Siskiyou Johnson Dairy; Siskiyou Mountains. Mt. Diablo Mer. 1829 Comment
  RSA447291  Stachys M. B. Dunkle 1944-7-16 9115 Siskiyou Siskiyou Natl. Forest, Coastal Northern California. Comment
  JEPS84076  Stachys ajugoides var. rigida L. R. Heckard with S. D'Alcamo, J. Hickman, S. Winchester 1986-7-15 6306 Siskiyou just s state line (Indian Creek Road from Takilma to Happy Camp) Comment
  SD88345  Stachys emersonii Darley F. Howe 1972-7-6 Siskiyou 1.3 miles south of Oregon state line on road to Happy Camp. 1646 Comment
  RSA289945  Stachys rigida subsp. rigida Geo. D. Butler 1908-6-29 174 Siskiyou Butler s ranch near Yreka. Comment
  RSA12488  Stachys rigida subsp. rivularis Carl B. Wolf 1934-7-4 5949 Siskiyou 6 8/10 miles from Dry Lake Lookout on road to Horse Creek. Siskiyou Mountains. 1829 Comment
  HSC18969  Stellaria borealis subsp. sitchana J. O. Sawyer 1969-7-11 857 Siskiyou Ravine above C.C.C. road. 1280 Comment
  CAS-BOT-BC391217  Stellaria longipes subsp. longipes Wm. Bridge Cooke 1937-8-6 9184 Siskiyou Mount Shasta. Bear Springs Comment
  POM101769  Stellaria media Geo. D. Butler 1909-3-19 559 Siskiyou Yreka Creek. Comment
  SEINET5337369  Stellaria nitens G. Butler 1909-3-16 581 Siskiyou Butler's Ranch. Comment
  UC1299354  Stenanthium occidentale Freed W. Hoffman 1951-7-15 4043 Siskiyou w side Kelsey Creek (Hammond Camp); Marble Mountains 1524 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
  CDA8847  Stephanomeria lactucina G. C. Fleischman 1946-7-26 Siskiyou Northern California; Mr. Shasta, Dunsmuir area. 0 Comment
  RSA237475  Stephanomeria lactucina Frederick W. Oettinger 1967-8-21 300 Siskiyou Pine Lake trail about midway down. The Salmon Mtns. High Lake Basins in the vicinity of English Peak. Marble Mtn Wilderness Area. 2024 Comment
  CAS-BOT-BC375750  Stephanomeria virgata L. R. Abrams 1927-9-11 12141 Siskiyou Fork of Shasta and Klamath Rivers Comment
  HSC64360  Stipa thurberiana Don Bateman 1980-5-20 Siskiyou 12 mi. E of Mt. Hebron 1415 Comment
  SDSU714  Stipa thurberiana D. F. Howe 1977-7-5 4996 Siskiyou 15 miles SE of Granada 1219 Comment
  JEPS95631  Streptanthus barbatus Vernon H. Oswald and L. Ahart 1994-8-1 6438 Siskiyou T40N R6W SE1/4 SW1/4 Sec. 11, 6600 ft, Red Fir Forest. Forest Rd. 17 at the upper trailhead to Deadfall Lakes, ca. 2.5 mi (air) WNW of Mt. Eddy 2011 Comment
  CAS-BOT-BC87859  Streptanthus tortuosus Marion Ownbey; Fred G. Meyer 1940-7-4 2194 Siskiyou Along Brewer Creek, 1 mile below timber line, east side of Mount Shasta. Comment
  HSC40419  Streptanthus tortuosus J. O. Sawyer 1973-7-15 2537 Siskiyou On Wooley Creek Trail between Deer Lick and Gates Creek 366 Comment
  HSC65575  Streptanthus tortuosus R. White 1977-7-7 108 Siskiyou Devil's Punchbowl, NE shore 1433 Comment
  RSA211226  Streptanthus tortuosus William J. Ferlatte 1966-6-22 79 Siskiyou Josephine Lake basin. Trinity Alps. 1677 Comment
  UC455751  Streptanthus tortuosus I. J. Condit 1911-7-22 Siskiyou Horse Camp Mt. Shasta 2438 Comment
  RSA12512  Streptanthus tortuosus C. B. Wolf 1934-7-4 5924 Siskiyou Klamath River, 3 mi below Tee Bar Creek. 213 Comment
  UC1601630  Streptanthus tortuosus var. orbiculatus Alice Eastwood 1912-9-1 2065 Siskiyou Mount Shasta Comment
  SEINET10448528  Streptanthus tortuosus var. orbiculatus Mary Susan Taylor 1980-8-18 Taylor 3263 A Siskiyou T43N R1E sw sec 8, Medicine Lake quad. Shasta-Trinity Natl Forest, Little Mount Hoffman, W side, between road and look out. With J. Prouty & E. Heinz. 2225 Comment
  HSC18972  Streptanthus tortuosus var. tortuosus J. O. Sawyer 1969-8-3 1780 Siskiyou Near Little Duck Lake 2073 Comment
  HSC35794  Streptanthus tortuosus var. tortuosus J. O. Sawyer 1969-6-12 881 Siskiyou Ridge SE of Eaton Lake 2226 Comment
  HSC58949  Streptopus amplexifolius Marvin Butler 1971-7-9 79 Siskiyou Near El Capitan 1464 Comment
  CAS-BOT-BC516438  Streptopus amplexifolius Gilbert Muth 1966-7-24 443 Siskiyou Marble Valley, Marble Mts. 1792 Comment
  UC1190180  Suksdorfia ranunculifolia Ira L. Wiggins 1955-7-27 13546 Siskiyou Caribou Lake Salmon-Trinity Alps Primitive Area 2042 Comment
  HSC45155  Swertia albicaulis var. nitida J. O. Sawyer, E. Cope 1977-6-19 2951 Siskiyou Clear Creek Trail between Preston Creek and Trout Camp 915 Comment
  UC221723  Swertia albicaulis var. nitida H. E. Brown Jul 15 1897-Jul 31 1897 545 Siskiyou s side Mt. Shasta 1524 Comment
  CAS-BOT-BC245835  Symphoricarpos C. Hart Merriam 1919-10-12 s.n. Siskiyou Etna, Scott Valley Comment
  CAS-BOT-BC245850  Symphoricarpos Doris K. Kildale 1928-7-2 5384 Siskiyou Salmon Summit via Horn Creek Trail 1981 Comment
  CAS-BOT-BC269617  Symphoricarpos albus var. laevigatus Marcus E. Jones 1931-7-17 29034 Siskiyou Shasta City (Sisson's) Comment
  JEPS87630  Symphoricarpos albus var. laevigatus Vernon H. Oswald and Lowell Ahart 1994-8-10 6460 Siskiyou ca. 4 mi. (air) n.-n.e. Bartle (FS 40N39 at Stillwater Meadows on Bartle Creek, ca. 0.5 mi. w. of Harris Spring Rd. (FS15)) 1359 Comment
  HSC67781  Symphoricarpos mollis J. O. Sawyer, J. Cole 1980-7-21 3852 Siskiyou N of FS Rd. 44N01 near intersection with road to Lava Camp. 1677 Comment
  UC889807  Symphoricarpos mollis A. A. Heller 1915-8-24 12202 Siskiyou ne base Mt. Eddy (Metcalf's ranch) 1188 Comment
  RSA507782  Symphyotrichum J. C. Semple, S. Heard 1986-8-14 8450 Siskiyou Siskiyou A-10 on Mt. Shasta 2256 Comment
  JEPS40845  Symphyotrichum bracteolatum Geo. D. Butler 1908-8-29 289 Siskiyou L. Eastlicks Ranch Oro Fino Comment
  CAS-BOT-BC97871  Symphyotrichum eatonii Geo. D. Butler 1908-8-11 292 Siskiyou near Oro Fino Comment
  UC165286  Symphyotrichum foliaceum Geo. D. Butler 1910-8-13 1830 Siskiyou Quartz Valley Comment
  CAS-BOT-BC97947  Symphyotrichum frondosum Geo. D. Butler 1910-9-13 1873 Siskiyou Butte Valley 1280 Comment
  HSC29225  Symphyotrichum hendersonii Frederick W. Oettinger 1968-9-10 815 Siskiyou NW of Horse Range Lake; Salmon Mtns, English Peak area 1822 Comment
  CAS-BOT-BC98436  Symphyotrichum spathulatum Doris K. Kildale 1928-8-19 6510 Siskiyou English Lake, head of north fork of Salmon River Comment
  RSA86745  Taeniatherum caput-medusae L. C. Wheeler 1935-6-4 3546 Siskiyou Grenada, Shasta Valley. 793 Comment
  UC163871  Taraxacum officinale Geo. D. Butler 1908-8-28 982 Siskiyou near Oro Fino Comment
  CAS-BOT-BC85236  Taxus brevifolia Elmer I. Applegate 1895-5-28 650 Siskiyou 18th Crossing SPRR, Sacramento River, below Sisson Comment
  RSA120813  Taxus brevifolia G. D. Barbe 1955-7-9 158 Siskiyou S side of Kangaroo Lake, Scott Mtns. 1829 Comment
  RSA384696  Taxus brevifolia J. P. Smith 1974-5-25 7453 Siskiyou Near junction of Road 8 and French Creek Road. 1280 Comment
  RSA768777  Tetradymia canescens L. Ahart, John Dittes 2010-7-30 16971 Siskiyou Shasta Big Springs Ranch, 2.6 air miles northwest of Big Springs Lake, 3.9 air miles southeast of Grenada, 6.3 air miles northeast of Dwinnel Dam. 779 Comment
  CDA25193  Thelypodium brachycarpum Don Shaw 1978-8-23 Siskiyou White Lake - Lower Klamath Refuge, Tule Lake. 0 Comment
  CDA25194  Thelypodium brachycarpum R. Pederson, G. Pederson 1979-9-18 Siskiyou White Lake Management Unit, Lower Klamath National Wildlife Refuge. 0 Comment
  CAS-BOT-BC77738  Thelypteris nevadensis Louis C. Wheeler 1934-8-21 3191 Siskiyou E Fork Horse Cr., Klamath National Forest 1219 Comment
  CHSC561  Thlaspi montanum var. montanum N. Jaekel; K. Jaekel 1939-7-29 Siskiyou Mt. Eddy. 1828 Comment
  UC857500  Thlaspi montanum var. montanum Alice Eastwood 1912-7-23 1330 Siskiyou Cantara Comment
  HSC18877  Tiarella trifoliata var. unifoliata J. O. Sawyer 1968-9-10 687 Siskiyou Below Young's Meadow on Clear Creek. 1372 Comment
  HSC62274  Tiarella trifoliata var. unifoliata Ruby Van Deventer Aug 1957 Siskiyou Youngs Valley. Comment
  SD230295  Tiarella trifoliata var. unifoliata Louis C. Wheeler 1959-7-25 7602 Siskiyou Marble Mountains: Camp Three, Rogers Creek. Comment
  JEPS74511  Tofieldia occidentalis subsp. occidentalis W. J. Ferlatte 1966-8-16 369 Siskiyou Big Flat Hillside Trinity Alps 1524 Comment
  RSA240052  Tolmiea menziesii Frederick W. Oettinger 1969-8-9 1320 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
  HSC41041  Tonella tenella J. O. Sawyer 1970-3-4 2060 Siskiyou N of Idlewild Campground 762 Comment
  JEPS9889  Tonella tenella Geo. D. Butler 1909-4-18 626 Siskiyou near Yreka Comment
  POM216004  Tonella tenella Louis C. Wheeler 1935-5-5 3460 Siskiyou Greenhorn Creek. Siskiyou Mtns. (Mt Diablo Mer.) 854 Comment
  RSA427249B  Tonella tenella J. P. Smith 1973-5-5 6408 Siskiyou Along Cook and Green Pass road. Comment
  CAS-BOT-BC169253  Toxicodendron diversilobum Alice Eastwood 1912-7-23 1345 Siskiyou Shasta Sprnigs Comment
  UC164042  Toxicoscordion paniculatum Geo. D. Butler 1909-4-27 790 Siskiyou Quartz Valley Comment
  JEPS107382  Tragopogon dubius Lowell Ahart, John Dittes 2005-6-10 12066 Siskiyou South edge of pasture, east of a poor dirt road, about 90 yards northeast of the pump house along the Shasta River, about 1.9 miles (air) south of Highway 99/97 Cutoff, about 6 miles (air) east-southeast of Grenada 776 Comment
  UCD96051  Trautvetteria caroliniensis John M. Tucker; D. V. Hemphill 1974-7-27 4298 Siskiyou Near Haypress Creek, Haypress Meadows, Marble Mountain Wilderness Area. 1463 Comment
  HSC67719  Triantha occidentalis subsp. occidentalis John Palmer 1980-7-24 619 Siskiyou Klamath National Forest, Elk Hole 1503 Comment
  SEINET3153530  Trichostema lanceolatum G. D. Butler 1910-7-28 1793 Siskiyou Yreka Comment
  JEPS24010  Trichostema simulatum Rimo Bacigalupi with Drs. Reino and Aloha Alava 1958-9-2 6871 Siskiyou 4.7 mi below (N of) Scott Mountain Road summit (along road just S of and above Callahan) 1127 Comment
  SEINET10700113 Image available Trichostema simulatum Edwin B. Copel 1903-7-2 Copeland 3534 Siskiyou Klamathon. In bed of a dry run. Comment
  SBBG15778  Trientalis latifolia D. Myrick 1961-6-21 305 Siskiyou Deer Camp Rd above Oak Knoll Ranger Station, Klamath River, 19 mi W of Hwy 99 1371 Comment
  JEPS65859  Trifolium eriocephalum var. eriocephalum Geo. D. Butler 1908-6-28 379 Siskiyou Butler's Ranch Quartz Valley Comment
  RSA237884  Trifolium howellii Frederick W. Oettinger, Robert F. Thorne 1969-8-6 1237 Siskiyou North west of Pine Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1883 Comment
  UC630997  Trifolium hybridum A. A. Heller 1916-6-20 12415 Siskiyou Metcalf's Ranch ne base of Mt. Eddy 1188 Comment
  RSA14979  Trifolium hybridum H. P. Bracelin 1931-6-20 433 Siskiyou Metcalf Ranch, Mt. Eddy. Comment
  HSC71103  Trifolium longipes Thomas W. Nelson, Jane P. Nelson, J. P. Smith 1978-7-24 4509 Siskiyou Along W side of Hwy. 3 just N of Scott Mtn. Summit 1616 Comment
  UC1607584  Trifolium longipes Barbara Ertter 1990-7-14 9314 Siskiyou ca 4 air mi due w Mt. Shasta City (at end of FR 41N53 ca 1 mi n of Morgan Meadows); east side of Mt. Eddy; w center Comment
  SBBG22140  Trifolium longipes C. B. Hardham 1961-6-30 8126 Siskiyou White Mtn, near springs 1828 Comment
  POM27525  Trifolium longipes subsp. elmeri Geo. D. Butler 1910-6-5 1507 Siskiyou Shackleford Creek Comment
  CHSC985  Trifolium pratense K. Jaekel 1939-7-3 Siskiyou Black Butte Meadows. 1158 Comment
  JEPS83895  Trifolium pratense Wayne Roderick Aug 1975 Siskiyou Cook and Green Pass Syskiyou Mtns Comment
  RSA582467  Trifolium wormskioldii Louis C. Wheeler 1935-6-27 3620 Siskiyou Greenview, Scott Valley. 884 Comment
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Aug 1 2014
  CAS-BOT-BC519594  Trillium Roxana S. Ferris; Laura Lorraine 1948-6-12 11883 Siskiyou About 6 miles from Etna on forks of Salmon road 1676 Comment
  CAS-BOT-BC520839  Trillium albidum Geo. D. Butler 1909-4-14 669 Siskiyou Humbug Creek Comment
  HSC2246  Trillium albidum Geo. D. Butler 1910-4-25 1242 Siskiyou Scott River Comment
  JEPS80494  Trillium chloropetalum Gilbert Muth 1966-7-8 376 Siskiyou Marble Valley Marble Mt. Wilderness Area, Marble Valley 1792 Comment
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Aug 20 2009
  HSC48298  Trillium ovatum P. Stekel, K. T. Stillman May 1977 233 Siskiyou Along Happy Camp-O'Brien Rd. above Louse Creek Comment
  RSA78846  Trillium ovatum Philip A. Munz 1952-7-2 17889 Siskiyou Road to Baldy Mountain, NW of Happy Camp, Siskiyou Mtns. 1524 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
  RSA234822  Trillium ovatum subsp. oettingeri Frederick W. Oettinger 1969-7-16 1035 Siskiyou West bank of Abbott Lake. Salmon Mtns. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1677 Comment
  RSA234823  Trillium ovatum subsp. oettingeri Frederick W. Oettinger 1969-7-14 1020 Siskiyou South of Charmaine Lake. Salmon Mtns. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1921 Comment
  UC1024700  Trisetum canescens L. Whitney 1934-6-27 2145 Siskiyou 1706 Comment
  HSC69380  Trisetum spicatum J. O. Sawyer, Jane Cole 1980-7-19 3693 Siskiyou Near FS Rd. 45N05 2018 Comment
  RSA233685  Trisetum spicatum R. F. Thorne, Frederick W. Oettinger 1969-8-10 38957 Siskiyou Mt. Shasta National Forest: S slope of Mt. Shasta, Panther Creek Meadows 2195 Comment
  UC333367  Triteleia hyacinthina unknown 1889-6-27 Siskiyou near Edgewood Comment
  CAS-BOT-BC524320  Triteleia ixioides subsp. anilina Alice Eastwood 1921-7-24 10957 Siskiyou Castle Lake Comment
  RSA167136  Tsuga mertensiana J. M. Tucker 1963-7-8 3734 Siskiyou East side of Black Mountain, ca. 1 mile north of Marble Valley, Marble Mountain Wilderness Area. 1982 Comment
  UCD135153  Tsuga mertensiana John M. Tucker 1963-7-5 3708 Siskiyou Lower Blake's Fork of South Russian Creek (a tributary of Salmon River), ca. 7 miles (airline) east of Sawyer's Bar, Salmon Mountains. 1524 Comment
  CAS-BOT-BC80253  Tsuga mertensiana subsp. grandicona Louis C. Wheeler 1934-9-1 3237 Siskiyou Klamath Forest, Mud Springs 1889 Comment
  CAS-BOT-BC74102  Turritis glabra Ira L. Wiggins 1955-7-22 13446 Siskiyou In south fork of Salmon River, 9.5 miles above Cecilville. 1066 Comment
  SEINET12088264  Umbellularia californica M. Ownbey, Meyer, F. G. 1940-1 2223 Siskiyou Along Indian Creek, 12 mi above Happy Camp Comment
  POM117669  Urtica dioica subsp. holosericea Geo. D. Butler 1910-6-30 1616 Siskiyou Yreka Creek. Comment
  UC54461  Vaccaria hispanica H. M. Hall and E. B. Babcock June, 1903 4094 Siskiyou Mount Shasta Shasta Valley (Shasta Valley); Sierra Nevada Mountains, , Shasta Valley 853 Comment
  CAS-BOT-BC199194  Vaccinium cespitosum Wm. Bridge Cooke 1938-7-21 11302 Siskiyou Panther Creek Comment
  CHSC69748  Vaccinium cespitosum Loren Gehrung 1996-9-19 108 Siskiyou The Eddys. Jcn of County Rd 26 and Gumboot Creek, at Gumboot Crossing. 1511 Comment
  HSC19512  Vaccinium cespitosum J. O. Sawyer 1969-8-3 1731 Siskiyou W of Little Duck Lake 2195 Comment
  HSC65289  Vaccinium cespitosum Rich White 1978-7-3 219 Siskiyou Lake E of Sawtooth Trail, N of Dillon Trail 1502 Comment
  UC618889  Vaccinium cespitosum unknown 1938-7-21 11302 Siskiyou Panther Creek Mount Shasta Comment
  UC917231  Vaccinium cespitosum R. Tofsrud and J. M. Tucker 1948-8-2 1766 Siskiyou s slope Mt. Shasta; , Panther Meadows 2407 Comment
  CAS-BOT-BC199191  Vaccinium cespitosum W. R. Dudley 1899-8-15 s.n. Siskiyou In Black Fox Comment
  HSC19113  Vaccinium membranaceum J. O. Sawyer 1969-8-5 1964 Siskiyou Alluvial terrace along South Sugar Creek 1692 Comment
  HSC19368  Vaccinium membranaceum J. O. Sawyer 1968-6-18 208 Siskiyou Above S Russian Creek, below the Blake's Fork confluence. 1463 Comment
  UCD118068  Vaccinium membranaceum D. Sanchez-Mata 1997-9-19 s.n. Siskiyou Klamath National Forest. Happy Camp-O'Brien. Indian Creek Road. Jefferson State Scenic Byway. 1470 Comment
  HSC69426  Vaccinium parvifolium Edward Palmer 1980-7-23 563 Siskiyou Past Elbow Springs at end of F.S. road 15N19 1220 Comment
  HSC98191  Vaccinium scoparium J. O. Sawyer 1969-8-5 1786 Siskiyou Along Sugar Creek. 1921 Comment
  RSA700700  Vaccinium scoparium L. C. Wheeler 1934-8-5 3038 Siskiyou Mud Springs, Middlehell Creek. 2011 Comment
  CAS-BOT-BC199797  Vahlodea atropurpurea John Thomas Howell 1939-8-9 15229 Siskiyou Ridge south of Marble Valley, Marble Mts. Comment
  RSA433754  Valeriana capitata subsp. californica Unspecified 9201 Siskiyou Marble Valley, Marble Mountains. Comment
  SD219128  Valeriana sitchensis R. F. Thorne, Frederick W. Oettinger 1969-8-4 63361 Siskiyou Klamath National Forest, Salmon Mountains, Marble Mountain Wilderness Area, high lake basins in the vicinity of English Peak. 1935 Comment
  UC169080  Valeriana sitchensis subsp. sitchensis Harley P. Chandler 1901-6-22 1583 Siskiyou Haypress Meadow Marble Mountain (ridges and meadows near); North Coast Ranges, Marble Mountain 1828 Comment
  HSC69168  Veratrum californicum var. californicum Maralyn A. Renner 1980-8-6 2325 Siskiyou Cracker Meadow 1555 Comment
  CAS-BOT-BC135748  Veratrum insolitum Wayne Roderick 1967-7-24 s.n. Siskiyou Lily Pad Lake, n. of Seiad Valley - Siskiyou Mts. 1676 Comment
  UCD14452  Veratrum viride John M. Tucker 1972-8-8 4243 Siskiyou Marble Mountains. 1889 Comment
  RSA237913  Veratrum viride Frederick W. Oettinger 1969-9-2 1592 Siskiyou Bear Meadow near Tom Tyler [Taylor] Cabin. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1997 Comment
  CAS-BOT-BC527059  Veratrum viride var. eschscholzianum P. C. Everett; E. K. Balls 1959-10-23 23940 Siskiyou 4 miles SW from Etna on road from Callaban to Somesbar, Salmon Mts. 1676 Comment
  HSC67565  Verbena lasiostachys J. P. Smith, J. O. Sawyer 1971-9-18 4813 Siskiyou 1.2 mi. W of junction of Hwy. 3 and Rd. 8, N of Callahan. Comment
  HSC19339  Veronica americana J. O. Sawyer 1969-7-23 1189 Siskiyou Along road near Horse Range Creek. 1341 Comment
  RSA786486  Veronica americana Peter Rubtzoff 1955-7-10 1948 Siskiyou Duncans Mills Marsh Comment
  SD76150  Veronica anagallis-aquatica Helen V. Witham 1969-10-7 585 Siskiyou At bridge to Indian Scotty Campground, Scott River, 10 Mi. west of Ft. Jones 700 Comment
  RSA666319  Veronica copelandii Barbara Ertter 1990-7-16 9373 Siskiyou NW side of Mount Eddy, 8 air miles SW of Weed, 1-2 miles from Parks Creek trailhead (=crest of Rt 17) along ridge 2287 Comment
  UC444945  Veronica peregrina subsp. xalapensis F. H. Hooper Apr. 1897 14 Siskiyou Little Shasta Comment
  HSC73330  Vicia americana var. americana Gail Newton 1980-6-20 492 Siskiyou Near Bald Mtn. 1097 Comment
  JEPS75369  Vicia americana var. americana Geo. D. Butler 1908-8-4 401 Siskiyou Head of Shackleford Creek 1676 Comment
  POM28946  Vicia americana var. americana Geo. D. Butler 1910-5-30 1440 Siskiyou Humbug Mountain 1220 Comment