Search Results — 2000 specimen records retrieved (1325 records with coordinates)
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 Please cite data retrieved from this page: Data provided by the participants of the Consortium of California Herbaria (ucjeps.berkeley.edu/cch_archive/).
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? Specimen ID Determination * Collector Collection Date Collection Number County Locality Elevation in meters Feedback
  CAS-BOT-BC78130  Abies X shastensis Roxana S. Ferris; Laura Lorraine 1948-6-12 11770 Siskiyou About 6 miles from Etna on forks of Salmon Road 1706 Comment
  CAS-BOT-BC78131  Abies X shastensis Elmer I. Applegate 1895-5-30 668 Siskiyou West slope of Mt. Shasta, above Sisson, Strawberry Valley Comment
  HSC30656  Abies X shastensis Frederick W. Oettinger 1968-9-8 788 Siskiyou Marble Mtn. Wilderness area, E side of English Lake 1784 Comment
  JEPS47983  Abies concolor B. Wise Neilsen 1936-10-18 Siskiyou 2 mi nw Etna Mt.; Salmon Mt. Comment
  UCR95628  Abies concolor L. C. Wheeler 1963-9-3 8338 Siskiyou Siskiyou Mtns. Cyclone Gap chrome mine Comment
  CHSC27349  Abies lasiocarpa T. B. Devine 1976-10-23 364 Siskiyou NW side of Little Duck Lake, 10 ft from water line. 2042 Comment
  HSC39922  Abies lasiocarpa J. O. Sawyer 1971-7-16 2431 Siskiyou Slopes NE of Deep Lake, Bulk Collection 115 2165 Comment
  HSC4982  Abies lasiocarpa J. O. Sawyer 1968-7-9 430 Siskiyou W of Little Duck Lake. 1936 Comment
  HSC4998  Abies lasiocarpa J. O. Sawyer 1969-8-4 1921 Siskiyou Headwaters of S Sugar Creek. 2043 Comment
  UC119058  Abies magnifica var. magnifica unknown 1885-9-1 Siskiyou Siskiyou Mts. Comment
  CAS-BOT-BC330621  Acer circinatum Wm. Bridge Cooke 1940-7-12 15309 Siskiyou Near the Sacramento River in the Box Canyon near Mount Shasta City 914 Comment
  HSC68464  Acer circinatum Maralyn A. Renner 1980-7-5 1532 Siskiyou Doe Flat 1220 Comment
  CAS-BOT-BC331045  Acer glabrum var. glabrum Milo S. Baker 1926-8-22 295 b-26 Siskiyou Mineral to Sulphur Springs 1767 Comment
  SEINET12765788  Acer glabrum var. torreyi Mary Merello, H. H. Schmidt; L. Woodruff 1993-6-22 690 Siskiyou Sasta National Forest outside of Mt. Shasta City. Along Forest Service Road 26 to Lake Siskiyou.; 0 1090 Comment
  CAS-BOT-BC332785  Acer macrophyllum Alice Eastwood 1917-9-2 6654 Siskiyou Shasta Springs Comment
  POM137064  Acer macrophyllum Geo. D. Butler 1910-5-30 1434 Siskiyou Humbug Creek. Comment
  SEINET4068104 Image available Acer macrophyllum O. M. Clark 1947-1 sn Siskiyou Siskiyou Mountains. Comment
  SEINET7892714  Acer negundo subsp. californicum G. D. Butler 1910-6-30 1617 Siskiyou Yreka Creek Comment
  CAS-BOT-BC336936  Acer negundo var. californicum Geo. D. Butler 1910-6-30 1617 Siskiyou Yreka Creek Comment
  HSC72673  Acer negundo var. californicum J. P. Smith 1973-5-5 6569 Siskiyou Weed lots of Etna 793 Comment
  CAS-BOT-BC30434  Achillea millefolium Arthur Menzies 1962-7-21 s.n. Siskiyou Morgan Meadows, base of Mt. Eddy 1706 Comment
  HSC68420  Achillea millefolium Maralyn A. Renner 1980-6-9 856 Siskiyou Ridge SE of FS Rd. 45N35 1341 Comment
  RSA715491  Achillea millefolium L. Ahart, John Dittes 2005-6-9 12039 Siskiyou About 3/5 mile (air) south of Highway 99/97 Cutoff, about 2 1/2 miles (air) east-southeast of Grenada. 775 Comment
  UCR47891  Achillea millefolium 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
  CAS-BOT-BC18875  Achillea millefolium Alice Eastwood 1912-8-30 s.n. Siskiyou Mounty Eddy Comment
  RSA211508  Achillea millefolium William J. Ferlatte 1966-7-7 196 Siskiyou Caribou Basin. 1982 Comment
  UCSB22168  Achlys triphylla Keefe, Joseph 1967-7-10 Siskiyou Indian Creek Road, 22.2 miles north of Happy Camp 1402 Comment
  JEPS84209  Achlys triphylla subsp. triphylla L. R. Heckard with S. D'Alcamo, J. Hickman, S. Winchester 1986-7-15 6300 Siskiyou Indian Creek Rd. from Takilma to Happy Camp (just s. of state line) Comment
  CAS-BOT-BC216930  Achnatherum occidentale Ralph K. Gierisch 1968-8-6 3362 Siskiyou Elk Flat, Shasta-Trinity forest 1310 Comment
  UCD50980  Achnatherum occidentale B. A. Madson 1948-1 s.n. Siskiyou Mt. Hebron Pass. Comment
  SEINET255884  Achnatherum occidentale subsp. californicum Mary E. Barkworth, L. R. Firestone 1982-8-30 4096 Siskiyou On Cal 895 to Lassen National Volcanic Park at road marker 14.00 Comment
  RSA238984  Achnatherum occidentale subsp. occidentale Frederick W. Oettinger 1968-8-8 454 -b Siskiyou Crapo Meadow near Tom Taylor Cabin. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2027 Comment
  CDA18406  Achnatherum occidentale subsp. pubescens G. D. Barbe, P. Hiatt & M. Keffer 1980-6-5 2809 Siskiyou Cascade Range; Mt. Shasta Reforestation area, north of Mt. Shasta city on Everitt Memorial Hwy to Panther Meadows ski area. 1097 Comment
  CAS-BOT-BC218018  Achnatherum thurberianum John Thomas Howell 1952-6-14 28352 Siskiyou Serpentine Knoll, 7 miles E of Callahan on road to Gazelle Comment
  JEPS107475  Achnatherum thurberianum Lowell Ahart, John Dittes 2005-6-9 12018 Siskiyou Small low hill, pasture field, on the east side of a poor rock fence, about 350 yards east of where cattle water in the Shasta River, about 3/5 mile (air) south of Highway 99/97 Cutoff, about 2 1/2 miles (air) east-southeast of Grenada 774 Comment
  UC196951  Achnatherum thurberianum Geo. D. Butler 1910-5-4 1277 Siskiyou near Yreka Comment
  HSC22293  Aconitum columbianum subsp. columbianum J. O. Sawyer 1969-7-24 1519 Siskiyou W of Sugar Lake 1890 Comment
  HSC36  Aconitum columbianum subsp. columbianum William J. Ferlatte 1966-8-3 292 Siskiyou Josephine Lake basin 1677 Comment
  CAS-BOT-BC391529  Aconitum columbianum subsp. columbianum W. R. Dudley 1893-6-21 s.n. Siskiyou Klink's Meadow near Sisson's Comment
  HSC69335  Aconitum columbianum subsp. columbianum John Palmer 1980-8-13 771 Siskiyou Dead Cow Creek, near USFS Rd. 47N44, Beaver Creek Rd. 1616 Comment
  CAS-BOT-BC391587  Aconitum columbianum subsp. viviparum Elizabeth McClintock; Wayne Roderick; Martha Roderick 1967-7-28 s.n. Siskiyou Gumboot Lake, Trinity Mts. 1828 Comment
  CAS-BOT-BC412616  Aconogonon alaskanum Doris K. Kildale 1929-8-24 9038 Siskiyou Rattlesnake Meadow, trail to Preston Peak 1676 Comment
  SD53342  Aconogonon davisiae Darley F. Howe 1962-8-6 3407 Siskiyou Mt. Shasta 2438 Comment
  CAS-BOT-BC418815  Aconogonon phytolaccifolium Doris K. Kildale 1928-8-20 6607 Siskiyou Lily Pad Lake, near Hancock Lookout on trail to Marble Mountain Comment
  CAS-BOT-BC391703  Actaea rubra Gilbert Muth 1966-7-17 399 Siskiyou Trail to lookout, Marble Mts. 1798 Comment
  HSC77006  Actaea rubra K. T. Stillman 1976-6-25 84 Siskiyou Marble Mountain Wilderness Area. On N side of Elk Valley 1799 Comment
  JEPS80534  Actaea rubra Gilbert Muth 1966-7-17 399 Siskiyou trail to Lookout (Marble Mt. Wilderness Area); Marble Mt. Wilderness Area 1798 Comment
  RSA238275  Actaea rubra subsp. arguta Frederick W. Oettinger 1969-8-21 1483 Siskiyou Under thicket at Willow Spring on English Lake Trail. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1677 Comment
  HSC4991  Adenocaulon bicolor J. O. Sawyer 1968-7-10 459 Siskiyou Floodplain of Sugar Creek near Sugar Lake. 1799 Comment
  HSC77785  Adenocaulon bicolor L. P. Janeway 1983-9-11 677 Siskiyou Poker Flat 1524 Comment
  POM56894  Adenocaulon bicolor E. B. Copeland 1903-9-5 3925 Siskiyou Foot of Mt. Eddy 1189 Comment
  CAS-BOT-BC69000  Adiantum aleuticum Gordon H. True; John Thomas Howell 1972-6-8 48860 Siskiyou South of summit on road from Takilma to Happy Camp Comment
  UC371160  Adiantum aleuticum G. D. Butler 1908-8-8 242 Siskiyou Wooly Creek 1676 Comment
  HSC36730  Adiantum aleuticum Brent Whiteley 1975-7-1 113 Siskiyou 671 Comment
  SEINET3868489 Image available Adiantum pedatum J. P. Smith, Steve Selva 1970-7-15 4349 Siskiyou Road to Happy Camp.; 0 732 Comment
  CDA36296  Aegilops cylindrica Ed Finley? 1986-1 Siskiyou Montague, north of Shasta, off Hwy 89. 0 Comment
  NY355  Agastache parvifolia A. Eastwood 1940-6-14 8266 Siskiyou Lava Beds Nat. Mon., near Schonchin Butte Comment
  RSA184630  Ageratina occidentalis Clare B. Hardham 1965-8-20 1304 -4 Siskiyou Marble Mountains, near Cudahy lakes. Granite Trail. 1524 Comment
  UCD128554  Ageratina occidentalis H. P. Olmo 1931-6-1 s.n. Siskiyou Somesbar. Comment
  UC163886  Agoseris X dasycarpa Geo. D. Butler 1910-6-19 1589 Siskiyou Goosenest, foothills of Goosenest 1524 Comment
  JEPS109708  Agoseris glauca var. glauca Dean W. Taylor 2002-7-20 18258 Siskiyou Forest Road 17 ca. 3.3 miles west (above) junction with Stewart Springs Road, Parks Creek 1524 Comment
  CAS-BOT-BC15380  Agoseris grandiflora var. grandiflora Louis C. Wheeler 1934-6-11 2683 Siskiyou North Hungry Creek, Siskiyou Mountains 1310 Comment
  CAS-BOT-BC15381  Agoseris grandiflora var. grandiflora Alice Eastwood 1912-7-17 1171 Siskiyou Sisson Comment
  RSA238757  Agoseris retrorsa Frederick W. Oettinger 1969-7-11 985 Siskiyou Near summit of 'Little Medicine Mountain' (north of Hancock Lake). Salmon Mtns. High Lake Basin in the vicinity of English Peak. Marble Mountain Wilderness Area. 2104 Comment
  CAS-BOT-BC110755  Agropyron cristatum Douglas Barbe 1955-6-1 76 Siskiyou 1.25 mile east of Etna near the junction of Westside Road and East and West Road. Comment
  RSA120644  Agropyron desertorum G. D. Barbe 1955-06 76 Siskiyou 1 1/4 mi E of Etna near junction of West side road and East West road Comment
  POM211400  Agrostis L. C. Wheeler 1934-6-26 2792 Siskiyou Border of sunny creek, Cottonwood creek 838 Comment
  CAS-BOT-BC126979  Agrostis exarata Wm. Bridge Cooke 1938-7-29 11410 Siskiyou Mount Shasta. Above Bear Springs. 1676 Comment
  CAS-BOT-BC126997  Agrostis exarata John Thomas Howell 1939-8-9 15205 Siskiyou Marble Mountains. Sky High Valley. 1828 Comment
  RSA239096  Agrostis exarata Frederick W. Oettinger 1969-8-22 1499 Siskiyou North side of Horse's Hole Meadows, Horse Range Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1860 Comment
  CAS-BOT-BC139561  Agrostis gigantea David D. Keck 1949-7-19 6349 Siskiyou 2 miles south of Grenada, along R.R. right-of-way. 777 Comment
  CAS-BOT-BC139568  Agrostis gigantea W. R. Dudley 1899-8-15 s.n. Siskiyou Near Bartlets. Comment
  CAS-BOT-BC139574  Agrostis gigantea Wm. Bridge Cooke 1938-9-17 11693 Siskiyou Mount Shasta. Horse Camp. 2438 Comment
  SEINET10510017  Agrostis gigantea A. Arthur Heller 1920-8-11 Heller 13509 Siskiyou Metcalf's ranch, northeast base of Mt. Eddy, in open places in the forest. The original growth of yellow pine has been replaced by white fir, Douglas fir, and incense cedar. Shrubs are willow, Corylus, and Ceanothus. 1158 Comment
  RSA238357  Agrostis humilis Frederick W. Oettinger 1969-9-4 1631 Siskiyou East side of Hancock Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1890 Comment
  RSA12484  Agrostis idahoensis C. B. Wolf 1934-7-4 5953 Siskiyou 6.8 miles from Dry Lake lookout on road to Horse Creek, Siskiyou Mountains. 1829 Comment
  HSC30512  Agrostis pallens Frederick W. Oettinger 1969-8-14 1377 Siskiyou Marble Mtn. Wilderness Area, on margins of open areas, inlet to Upper English Lake 1753 Comment
  RSA239082  Agrostis pallens Frederick W. Oettinger 1969-8-24 5750 Siskiyou Upper English Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1753 Comment
  HSC39675  Agrostis scabra J. P. Smith, J. O. Sawyer 1971-9-18 Siskiyou 2 mi. W of the junction of Hwy. 3 and Rd. 8, N of Callahan. 1037 Comment
  UCD53609  Agrostis stolonifera Mr. Roseman 1913-1 1 Siskiyou Butte Valley Comment
  HSC91586  Agrostis thurberiana Jennifer Whipple 1977-8-6 2214 Siskiyou SW of Dobkins Lake, along drainage into lake. 2256 Comment
  SEINET10790426  Agrostis variabilis A. Arthur Heller 1922-7-15 Heller 13697 Siskiyou Damp ground, margin of the small lake at Medicine Lake. Canadian. 2134 Comment
  CAS-BOT-BC445372  Alisma plantago-aquatica Alice Eastwood 1912-7-17 1195 Siskiyou Sisson Comment
  UC375198  Allium acuminatum Geo. D. Butler 1910-5-17 1357 Siskiyou Yreka hills Comment
  POM110310  Allium acuminatum Geo D. Butler 1910-5-17 1357 Siskiyou Dry hill Yreka. Comment
  RSA233716  Allium acuminatum Frederick W. Oettinger 1969-7-25 s.n. Siskiyou Scott Mountains: Shasta-Trinity National Forest, ca. 15 air miles SW of Weed near Kangaroo Lake Campground. Comment
  SEINET8112105  Allium amplectens G. D. Butler 1910-5-17 1358 Siskiyou Yreka. Comment
  HSC61854  Allium validum Ruby Van Deventer 1938-7-31 Siskiyou Poker Flat 1585 Comment
  RSA367151  Allium validum Laura Witherspoon 1977-7-30 s.n. Siskiyou Flint Valley. 1341 Comment
  CAS-BOT-BC171403  Alnus incana subsp. tenuifolia J. H. Chastain 1918-3-1 s.n. Siskiyou Gazelle Comment
  CAS-BOT-BC171413  Alnus incana subsp. tenuifolia W. R. Dudley 1899-8-13 s.n. Siskiyou Nabar Meadows, near McCloud Comment
  HSC68527  Alnus rhombifolia Maralyn A. Renner 1980-6-24 1026 Siskiyou Tributary stream E Fork Seiad Creek where crossed by FS Rd. 48N20 1021 Comment
  JEPS46400  Alnus rhombifolia W. L. Jepson 1920-1 Siskiyou Hamburg Klamath River Comment
  HSC69717  Alnus viridis subsp. sinuata Maralyn A. Renner 1980-7-15 1762 Siskiyou English Lake inlet 1780 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
  UCD77318  Alnus viridis subsp. sinuata Robert E. Preston 2001-6-23 1627 Siskiyou Klamath National Forest, n-facing slope of Rainbow Mtn, T42N R1W se 1/4 of ne 1/4 Section 15 1676 Comment
  UC1100238  Alopecurus aequalis Herbert L. Mason 1948-7-18 13617 Siskiyou Grass Lake Comment
  CAS-BOT-BC137949  Alopecurus saccatus Lewis S. Rose 1946-6-4 46138 Siskiyou 2 miles south of Dorris. 1219 Comment
  CAS-BOT-BC136716  Amelanchier alnifolia var. pumila Elizabeth McClintock; Wayne Roderick; Martha Roderick 1967-7-29 s.n. Siskiyou Mumbo Lake, Trinity Mts. 1828 Comment
  HSC18540  Amelanchier pallida D. M. Thomson 1965-8-7 170 Siskiyou Lava Beds NM, Cave Loop Rd. by information center Comment
  HSC41461  Amelanchier pallida J. P. Smith 1973-5-5 6510 Siskiyou Along Cook and Green Pass Rd. Comment
  HSC42880  Amelanchier pallida J. O. Sawyer, Ken Stillman 1976-5-29 2732 Siskiyou Junction of Specimen Creek and Little N Fork of the Salmon River 732 Comment
  HSC4959  Amelanchier pallida J. O. Sawyer 1968-7-22 529 Siskiyou Between Handcock and Diamond Lakes 1951 Comment
  HSC99677  Amelanchier pallida G. L. Clifton, Terry Griswold 1979-6-28 6109 Siskiyou Near Upper Devils Peak, close to the town of Seiad Valley 1738 Comment
  CAS-BOT-BC136900  Amelanchier utahensis John Thomas Howell 1939-8-2 14919 Siskiyou Spirit Lake, Marble Mts. 1828 Comment
  UC166554  Amelanchier utahensis Geo. D. Butler 1910-4-24 1238 Siskiyou Quartz Valley Comment
  UC555443  Amelanchier utahensis Dorothy Tebbe 1929-6-5 126 Siskiyou Mt. Eddy Comment
  UC164120  Amsinckia menziesii var. menziesii Geo. D. Butler 1910-5-3 1269 Siskiyou Yreka Comment
  UC1584291  Anaphalis margaritacea Julie Kierstead 1990-8-23 90 -144 Siskiyou Cold Creek; Mt. Shasta, McCloud R. D. 1584 Comment
  POM57101  Anaphalis margaritacea Copeland, Alice Eastwood 1903-8-13 3816 Siskiyou Sisson. [old name for Mount Shasta] Comment
  POM36272  Ancistrocarphus filagineus Geo. D. Butler 1910-4-27 1244 Siskiyou Dry trodden places, Oro Fino Comment
  JEPS83039  Androsace filiformis Linda M. Barker 1980-6-29 1982 Siskiyou Parker Camp Meadow Klamath National Forest 1767 Comment
  HSC4929  Anemone deltoidea J. O. Sawyer 1968-6-18 187 Siskiyou Above S Russian Creek on W side. 1463 Comment
  JEPS80570  Anemone deltoidea Gilbert Muth 1965-8-3 160 Siskiyou pothole in marble, Marble Mt Wilderness Area Marble Mt Wilderness Area 1792 Comment
  CAS-BOT-BC391851  Anemone drummondii John Thomas Howell 1939-8-2 14873 Siskiyou Spirit Lake, Marble Mts. 1828 Comment
  CAS-BOT-BC391858  Anemone drummondii W. R. Dudley 1905-8-4 s.n. Siskiyou Foot and slopes of Mt. Eddy Comment
  HSC43361  Anemone lyallii N. G. Sugihara 1977-5-28 65 Siskiyou Bank of Haypress Creek 100 yds. upstream from edge of Haypress Meadow 1463 Comment
  RSA256596  Anemone lyallii J. P. Smith 1974-5-26 7556 Siskiyou Along Forest Service Road 47N03. 1524 Comment
  HSC26119  Anemone multifida var. multifida J. P. Smith, J. O. Sawyer, Maralyn O'Meara 1972-7-3 5685 Siskiyou E slope of Kangaroo Mtn. above Toehead Lake. 1890 Comment
  CAS-BOT-BC391970  Anemone occidentalis Harley P. Chandler 1901-6-1 1637 Siskiyou North Coast Ranges. Near Marble Mountain 2133 Comment
  UC1505784  Anemone occidentalis Robert T. Clausen and Harold Trapido 1940-7-27 4978 Siskiyou 3 mi. n.-n.e. of summit Mt. Shasta (w. side of w. fork of Mountainhouse Creek); S. Cascade Mts., Sacramento R. Basin, Mountainhouse Creek 2438 Comment
  CDA39499  Anemopsis californica Cliff Giebner 1960-6-21 4540 Siskiyou Whitset Ranch. Yreka. 0 Comment
  CAS-BOT-BC221415  Angelica hendersonii Elizabeth McClintock; Wayne Roderick; Martha Roderick 1967-7-29 s.n. Siskiyou Road to Mumbo Basin, Trinity Mts. Below 6440 ft. summit Comment
  JEPS19764  Angelica tomentosa Rimo Bacigalupi with S. Galen Smith 1957-6-26 5941 Siskiyou about 11 mi sw of town of Mount Shasta (between White Ridge and Scott Camp Ridge, along road to Gumboot Lake, in Canyon of South Fork Sacramento River); South Fork Sacramento River 1219 Comment
  CAS-BOT-BC59286  Antennaria argentea Geo. D. Butler 1909-5-31 756 Siskiyou Humbug Creek Comment
  JEPS33946  Antennaria argentea W. L. Jepson 1937-7-23 18462 Siskiyou Yreka Comment
  CAS-BOT-BC59283  Antennaria argentea A. A. Heller 1905-6-8 7999 Siskiyou West of Yreka Comment
  HSC22433  Antennaria argentea J. O. Sawyer 1969-6-11 835 Siskiyou Lower slope next to the C.C.C. road on the N fork of Horse Range Creek 1357 Comment
  SEINET2040128  Antennaria argentea Roxanna S. Ferris, Lorraine, Laura 1948-6-12 11724 Siskiyou French Creek Logging Road, west of Callahan, altitude 1070 Comment
  UC29469  Antennaria argentea C. B. Bradley 1879-1 Siskiyou Comment
  JEPS13376  Antennaria dimorpha George D. Butler 1909-4-4 573 Siskiyou near, (at Butcher Hill) Yreka; Butcher Hill Comment
  CAS-BOT-BC58713  Antennaria geyeri Elmer I. Applegate 1935-8-3 10020 Siskiyou Lava Beds National Monument. Crater near Caldwell Comment
  CAS-BOT-BC58716  Antennaria geyeri A. A. Heller 1938-7-12 15245 Siskiyou Five miles north of Weed along Highway 97 Comment
  SEINET2029480 Image available Antennaria geyeri J. William Thompson 1936-7-8 12158 Siskiyou Lava slopes of Lava Beds Natioinal Doucment Comment
  RSA238703  Antennaria howellii Frederick W. Oettinger 1968-9-3 679 Siskiyou Between Horse Range Lake and 'Horses Hole' pond. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1860 Comment
  HSC29214  Antennaria media Frederick W. Oettinger 1969-7-14 1016 Siskiyou Salmon Mountains; N-facing slope between Charmaine Lake and Abbott's Lake 1860 Comment
  UC1190277  Antennaria rosea Ira L. Wiggins 1955-7-27 13536 Siskiyou Caribou Lake Salmon-Trinity Alps Primitive Area, Caribou Lake 2042 Comment
  HSC29208  Antennaria umbrinella Frederick W. Oettinger 1968-8-5 402 Siskiyou High Lake Basins in the vicinity of English Peak; Marble Mountain Wilderness Area, 'Shasta Ridge' between Diamond Lake and English Peak 2073 Comment
  JEPS82113  Antirrhinum vexillocalyculatum subsp. breweri Rimo Bacigalupi with L. Constance and L. Heckard 1960-7-21 7474 Siskiyou 3 mi ne Calif. Hwy. 96, Swillup Creek crossing (Calif Hwy 96, opposite King Creek in Klamath River Canyon); Klamath River Canyon 334 Comment
  UC618796  Apocynum androsaemifolium unknown 1938-7-22 11327 Siskiyou Mt. Shasta, Sisson Southern Trail Comment
  HSC44571  Apocynum androsaemifolium Laura Witherspoon 1977-8-10 Siskiyou 1/2 mi. before camp 3. 976 Comment
  UCSB6038  Apocynum androsaemifolium Myrick, Donald 1964-7-25 Siskiyou Along Shasta Ski Bowl Highway 1219 Comment
  CAS-BOT-BC394982  Aquilegia formosa John Thomas Howell 1937-7-22 13318 Siskiyou S Fork of Salmon River near Big Flat 1524 Comment
  CAS-BOT-BC394987  Aquilegia formosa A. A. Heller 1905-6-22 13499 Siskiyou Between Igerna and Weed Comment
  CAS-BOT-BC397950  Aquilegia formosa W. R. Dudley 1905-8-4 s.n. Siskiyou Foot of My Eddy Comment
  POM99545  Aquilegia formosa var. truncata Geo. D. Butler 1908-7-12 1062 Siskiyou Hundrey Mtn Comment
  RSA0125743  Arabis breweri Lincoln Constance, Reed C. Rollins 1942-5-13 2910 Siskiyou Klamath-Siskiyou Region: Scott River 2 miles northwest of Scott Bar. 488 Comment
  HSC40062  Arabis divaricarpa J. P. Smith, Steve Selva 1970-6-16 4075 Siskiyou 8 mi. W of Etna on road to Sawyers Bar. 1372 Comment
  HSC39215  Arabis holboellii var. retrofracta J. P. Smith 1976-5-5 8683 Siskiyou Road between Sawyers Bar and Somes Bar 488 Comment
  HSC39239  Arabis holboellii var. retrofracta J. P. Smith 1976-5-21 8764 Siskiyou Klamath National Forest, FS Rd. 40N08, 6.9 mi. from its junction with Hwy. 3 1524 Comment
  RSA237238  Arabis holboellii var. retrofracta Frederick W. Oettinger 1969-7-10 961 Siskiyou SW of Upper English Lake. Salmon Mtns. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. Comment
  CAS-BOT-BC16716  Arabis modesta Lincoln Constance; Reed Clark Rollins 1942-5-13 2907 Siskiyou Klamath-Siskiyou Region. Klamath River 4 miles east of Seiad. 457 Comment
  HSC92701  Arabis modesta D. L. Goforth 1980-4-23 476 Siskiyou Salmon River Rd. across from Sauerkraut Gulch 366 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
  HSC46181  Arabis subpinnatifida Jennifer Whipple 1977-4-30 1881 Siskiyou Scott Valley near Weston Gulch on open hillsides 854 Comment
  UCR37603  Arabis subpinnatifida K. Faber, Scott LaChance, Mike Rekart 1984-5-26 51 Siskiyou 0.7 mi. from Scott Mtn. 1672 Comment
  CAS-BOT-BC407728  Arceuthobium abietinum Clarence R. Quick 1960-6-29 60 -21 Siskiyou Trestle Road to Hilt, N of Oak Knoll Ranger Station Comment
  CAS-BOT-BC407706  Arceuthobium americanum Peter H. Raven 1956-9-5 10456 Siskiyou North Fork of Sacramento River 2011 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-BC410078  Arceuthobium douglasii Louis C. Wheeler 1934-6-25 2783 Siskiyou West Fork of Cottonwood Creek, Siskiyou Mountains 1371 Comment
  RSA0044721  Arctium minus L. C. Wheeler 1934-9-17 3276 Siskiyou Siskiyou Mts: Dutch Creek off Klamath River. 701 Comment
  CHSC81495  Arctostaphylos klamathensis Ann Willyard 2000-7-27 513 Siskiyou Scott Mountain, about 0.6 rd mi w of Scott Mountain campground, along Mule Creek Ridge, on the Klamath National Forest.UTM: 10 524359 E 4569675 N. 1676 Comment
  CAS-BOT-BC39992  Arctostaphylos nevadensis Alice Eastwood 1921-7-29 10987 Siskiyou Pumice Mt. Comment
  SBBG5452  Arctostaphylos nevadensis subsp. nevadensis H. and M. Dearing 1939-7-2 3800 Siskiyou Etna-Salmon Divide 1828 Comment
  HSC29317  Arctostaphylos patula Frederick W. Oettinger 1968-8-15 527 Siskiyou Marble Mountain Wilderness Area: High Lake Basins, N end of Hancock Lake 1936 Comment
  HSC4925  Arctostaphylos patula J. O. Sawyer 1968-6-18 221 Siskiyou Headwaters of Blake's Fork of S Russian Creek 1738 Comment
  SEINET2029158 Image available Arctostaphylos patula L. C. Wheeler 1935-5-31 3413 Siskiyou Winston Butte, south base, west of Mt. Shasta 1189 Comment
  UC1540018  Arctostaphylos patula Roseberry 1936-5-11 14 Siskiyou n side Hippo Butte; Lava Beds National Monument 1630 Comment
  UC410485  Arctostaphylos patula Mrs. Eric Anderson 1923-4-19 Siskiyou Shasta Spring Comment
  UC412767  Arctostaphylos patula Milo S. Baker 1897-8-1 94 Siskiyou Mayfield rd 10 mi e Bartle's 1524 Comment
  CAS-BOT-BC47006  Arctostaphylos viscida subsp. viscida L. Toso Erna Mills 1922-4-20 s.n. Siskiyou Received at 8th California annual World Flower Show. Comment
  RSA264951  Arenaria congesta G. L. Clifton 1975-7-28 9908 Siskiyou Near Cook and Green Pass near the Seiad Valley 1646 Comment
  RSA423694  Arenaria congesta L. C. Wheeler 1934-8-2 3023 Siskiyou Head of Jaynes Canyon; Siskiyou Mts. 2073 Comment
  JEPS80541  Arenaria congesta var. congesta Gilbert Muth 1965-8-16 225 Siskiyou Slopes behind Black Mountain Marble Mountain Wilderness Area, Black Mountain, Boreal mead 1950 Comment
  UC166109  Arenaria congesta var. suffrutescens Geo. D. Butler 1910-6-5 1514 Siskiyou Log Lake Comment
  UC454233  Arenaria congesta var. suffrutescens I. J. Condit 1911-7-28 Siskiyou Castle Lake 1981 Comment
  UC722705  Arenaria congesta var. suffrutescens C. L. Hitchcock, J. S. Martin 1939-7-9 5324 Siskiyou 1/2 mi se King's Castle; Marble Mts. 1828 Comment
  UC166125  Arenaria congesta var. suffrutescens Geo. D. Butler 1910-7-13 1772 Siskiyou 1219 Comment
  HSC62127  Arnica amplexicaulis Al Hobart 5 Aug [year missing] Siskiyou Preston Peak Comment
  UC1299272  Arnica cernua Freed W. Hoffman 1950-7-13 3547 Siskiyou Baldy Lookout North Coast Ranges, Baldy Lookout Comment
  CAS-BOT-BC82365  Arnica cordifolia J. H. Thomas 1954-5-13 4130 Siskiyou Salmon Mountains, Klamath National Forest. Near South Fork of Salmon River, 5 to 9 miles southeast of Cecilville, 1066 Comment
  HSC22129  Arnica cordifolia J. O. Sawyer 1969-7-9 1236 Siskiyou Steep hillside above S Sugar Lake 2134 Comment
  HSC29303  Arnica cordifolia Frederick W. Oettinger 1969-7-14 1023 Siskiyou High Lake Basins near English Peak; Marble Mountain Wilderness Area, above English Lake outlet along route from Charmaine to English Lake 1921 Comment
  JEPS35920  Arnica cordifolia W. L. Jepson 1907-7-6 2849 Siskiyou Cudahay Valley (valley above) Cudahay Valley Comment
  CHSC71562  Arnica discoidea Vernon H. Oswald; Lowell Ahart 1998-8-3 9424 Siskiyou Near the Pacific Crest Trail in the Scott Mtns. west of Kangaroo Lake. 1981 Comment
  HSC46237  Arnica discoidea Jennifer Whipple 1976-7-13 1459 Siskiyou Mt. Eddy 2256 Comment
  OBI55449  Arnica discoidea David J. Keil 1992-7-20 23507 Siskiyou Klamath Natl Foerst, SW of Fort Jones. Along forest rd 46N64, 4.8 mi W of Scott River Rd 800 Comment
  CAS-BOT-BC82664  Arnica latifolia John Thomas Howell 1937-7-24 13380 Siskiyou Caribou Basin, Salmon-Trinity Alps 2286 Comment
  CAS-BOT-BC82689  Arnica longifolia Bassett Maguire 1939-8-10 13864 Siskiyou along the wall of Mud Creek Canyon 2286 Comment
  RSA237483  Arnica mollis Frederick W. Oettinger 1969-8-19 1470 Siskiyou 0.2 mi due NE of Charmaine Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1890 Comment
  UC572796  Arnica mollis W. Bridge Cooke 1937-8-17 9297 Siskiyou Panther Creek Meadow Mt. Shasta 2438 Comment
  SEINET5712781  Arnica mollis J. M. Tucker 1974-1 4322 Siskiyou Haypress Meadows, Marble Mountain Wilderness Area.; Marble Mountain Wild. Area 1463 Comment
  CAS-BOT-BC90088  Arnica viscosa A. A. Heller 1920-8-12 13519 Siskiyou near Horse Camp, Mt. Shasta Comment
  JEPS24420  Arnica viscosa unknown Siskiyou Comment
Read comments
Jul 22 2010
  JEPS2529 Image available Arnica viscosa Willis L. Jepson 1894-8-4 59 i Siskiyou Horse Camp Mt. Shasta Comment
  RSA417434  Artemisia arbuscula subsp. arbuscula M. B. Dunkle 1945-8-2 9288 Siskiyou Kings Castle, Klamath National Forest. Marble Mountains. Comment
  CAS-BOT-BC90472  Artemisia douglasiana Grant 1902-9-14 s.n. Siskiyou Dunsmuir Comment
  SD76162  Artemisia douglasiana Helen V. Witham 1969-10-7 578 Siskiyou Scott River, at bridge to Indian Scotty Campground. 700 Comment
  UC710445  Artemisia michauxiana John Thomas Howell 1939-8-8 15177 Siskiyou Black Mt. Marble Mts., Black Mt. Comment
  CAS-BOT-BC447708  Aruncus dioicus var. vulgaris John Thomas Howell 1939-8-8 15137 Siskiyou Between Sky High Valley and Marble Valley, Marble Mts. Comment
  CAS-BOT-BC447718  Aruncus dioicus var. vulgaris C. A. Chamberlain 1913-7-5 363 Siskiyou Trinity Forest 1066 Comment
  CAS-BOT-BC400708  Asarum hartwegii Wayne Roderick 1967-7-28 s.n. Siskiyou Along road to ski area, Mt. Shasta Comment
  HSC103546  Asarum hartwegii Thomas W. Nelson 2005-5-24 9319 Siskiyou Shoeinhorse Mountain, along Forest Service Rd. 11, just west of Butcherknife Creek 880 Comment
  RSA401671B  Asclepias cordifolia J. O. Sawyer, K. Stillman 1976-5-29 2739 Siskiyou Along Specimen Creek Comment
  SEINET10580347  Asclepias cordifolia George D. Butler 1910-6-7 Butler 1531 Siskiyou Greenhorn Mountain Comment
  SDSU2733  Asclepias speciosa D. F. Howe 1962-8-4 3393 Siskiyou Near summit of Baldy Mt. 1737 Comment
  CAS-BOT-BC69559  Aspidotis densa L. E. Smith 1913-7-12 476 Siskiyou Mt. Eddy. Comment
  HSC19423  Aspidotis densa J. O. Sawyer 1968-7-23 618 Siskiyou Along trail from Brown's Valley to Caribou Basin including areas around Snowslide Lake and Caribou Lake 1829 Comment
  HSC36875  Aspidotis densa J. P. Smith 1974-5-25 7518 Siskiyou Along Rd. 8, 2.4 mi. W of its junction with Hwy. 3 976 Comment
  HSC69164  Aspidotis densa Maralyn A. Renner 1980-8-8 2468 Siskiyou Klamath National Forest, near trail, ~0.5 mi. down from Rattlesnake Meadow 1555 Comment
  UCD21469  Aspidotis densa Ellen Dean; with Gary Nakamura and K. Mawdsley 2002-7-28 1209 Siskiyou Shasta Trinity National Forest; NW of Castle Crags, in Castle Crags Wilderness. Found west of I-5, near headwaters of the south fork of the Sacramento River. Near shore of Upper Gray Rock Lake. 1912 Comment
  CDA10214  Aster alpigenus Gordon Leppig, J. Kalt 1996-7-9 369 Siskiyou Northern California Peatlands; Klamath National Forest, Russian Wilderness, Little Duck Lake Fen, in cirque west of Little Duck Lake. Comment
  RSA770804  Aster behringensis H. M. Hall 1902-9-6 s.n. Siskiyou [no specific location on label] 1128 Comment
  SEINET7545236  Aster copelandii E. B. Copeland 1903-1 CFBaker 3867 Siskiyou Mt. Eddy, Pacific Coast 2743 Comment
  RSA351096  Aster frondosus L. C. Wheeler 1934-8-20 3194 Siskiyou West Fork Beaver Creek. 1220 Comment
  RSA417679  Aster integrifolius L. C. Wheeler 1934-8-14 3119 Siskiyou 1 mile west of White Mt., Siskiyou Mts. 1921 Comment
  UC164024  Astragalus californicus Geo. D. Butler 1910-5-5 1284 Siskiyou Humbug Mountain Comment
  UCD104694  Astragalus curvicarpus M. F. Wojciechowski; M. J. Sanderson 1998-6-17 809 Siskiyou Roadside, along US highway 97 at California-Oregon border. Comment
  CAS-BOT-BC192918  Astragalus purshii var. lectulus John Thomas Howell 1939-8-4 15055 Siskiyou Marble Rim, Marble Mts. 1889 Comment
  HSC101156  Astragalus purshii var. lectulus Dana York 2011-8-12 3050 Siskiyou Klamath National Forest, Marble Mountain ridge 2058 Comment
  UC164060  Astragalus purshii var. tinctus Geo. D. Butler 1909-4-14 631 Siskiyou Humbug HIlls Comment
  CHSC30658  Astragalus whitneyi var. siskiyouensis M. S. Taylor; W. Overton 1980-7-8 3091 Siskiyou On s side of 40N43, ca. 3 mi w of its jct with 40N26, at w end of Lake Siskiyou. 1432 Comment
  CHSC837  Astragalus whitneyi var. siskiyouensis V. Holt 1932-6-26 Siskiyou Mt. Eddy. 1219 Comment
  CAS-BOT-BC199148  Astragalus whitneyi var. siskiyouensis John Thomas Howell 1937-6-29 13645 Siskiyou Scott Mt. between Trinity and Siskiyou Co. Comment
  HSC34420  Astragalus whitneyi var. siskiyouensis A. M. Montalvo, J. D. Ackerman 1974-7-2 342 Siskiyou Sacramento River drainage between Mt. Shasta and Mt. Eddy, along road to Deadfall Lakes and Morgan Meadows. 1524 Comment
  RSA516373  Astragalus whitneyi var. siskiyouensis Barbara J. Ertter 1985-5-30 5758 Siskiyou 2.6 mi N of Scott Mt Summit on Hwy 3 SE of Callahan. 1402 Comment
  HSC61203  Athyrium distentifolium var. americanum Al Hobart Siskiyou El Capitan 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
  HSC4354  Atriplex rosea L. C. Wheeler 1934-10-24 3348 Siskiyou Oak Knoll Ranger Station, Klamath River 671 Comment
  POM210920  Atriplex subspicata L. C. Wheeler 1934-10-21 331 Siskiyou Shasta Valley 4 mi E Grenada 869 Comment
  CAS-BOT-BC100050  Balsamorhiza hookeri Dorothy Parker 1951-5-20 515 Siskiyou on the summit of Scott Mountain 1624 Comment
  JEPS47704  Berberis aquifolium J. W. Kisling 1910-4-20 Siskiyou Edgewood Comment
  CDA15576  Berberis nervosa G. F. Hrusa 1998-7-5 14683 a Siskiyou Siskiyou Mountains; S side of pass on Happy Camp-O'Brien Rd. Ca. side of State Boundary, above Indian Ck. Camp. Comment
  HSC5004  Berberis nervosa J. O. Sawyer 1968-7-10 505 Siskiyou On Sugar Creek just above confluence with S Sugar Creek 1707 Comment
  CAS-BOT-BC75934  Berberis piperiana Geo. D. Butler 1910-8-1 1807 Siskiyou Yreka Creek. Comment
  CAS-BOT-BC76010  Berberis pumila Doris K. Kildale 1929-8-24 8833 Siskiyou Preston Peak. 2228 Comment
  CAS-BOT-BC76011  Berberis pumila Alice Eastwood 1923-5-29 11987 Siskiyou Cantara. Comment
  HSC27220  Bidens frondosa J. P. Smith, J. O. Sawyer 1971-9-18 4793 Siskiyou Hwy. 3, between Callahan and Etna at the turnoff to the Proctor Ranch. Comment
  CHSC71595  Bistorta bistortoides Vernon H. Oswald; Lowell Ahart 1998-8-3 9436 Siskiyou Near the Pacific Crest Trail in the Scott Mtns. west of Kangaroo Lake. 1981 Comment
  HSC30486  Bistorta bistortoides Frederick W. Oettinger, R. F. Thorne 1969-8-8 1286 Siskiyou Marble Mtn. Wilderness Area, Sundew Bog near English Lake 1829 Comment
  CAS-BOT-BC127936  Blepharipappus scaber J. J. Walters 1936-5-30 s.n. Siskiyou Bogus Creek, one mile above its confluence with the Klamath River Comment
  UC166059  Blepharipappus scaber Geo. D. Butler 1910-5-17 1355 Siskiyou Yreka Comment
  CAS-BOT-BC16890  Boechera George Dexter Butler 1908-8-4 125 Siskiyou Head of Shackleford Creek. Comment
  CAS-BOT-BC16891  Boechera A. M. Vollmer; L. Beane 1951-6-2 73 Siskiyou Road between Streamline Lodge and Deer Camp, north of Klamath River Highway. Comment
  SEINET193231  Boechera breweri Lincoln Constance, Reed C. Rollins 1942-5-14 2930 Siskiyou Shasta River 6 miles north of Yreka. 762 Comment
  CAS-BOT-BC14135  Boechera pendulocarpa C. L. Hitchcock; J. S. Martin 1939-7-9 5322 Siskiyou 0.5 mile southeast of King's Castle. 1828 Comment
  CAS-BOT-BC25424  Boechera retrofracta Marion Ownbey; Ruth P. Ownbey 1938-7-20 1760 Siskiyou 1 mile east of Dry Lake Lookout, summit of the Siskiyou Mountains. Comment
  CAS-BOT-BC25610  Boechera retrofracta John Thomas Howell 1937-7-24 13378 Siskiyou Salmon - Trinity Alps. Caribou Basin. 2286 Comment
  JEPS53090  Boechera retrofracta Geo. D. Butler 1909-4-24 592 Siskiyou near Yreka (Butler's Ranch) Comment
  UCD77349  Boechera retrofracta Robert E. Preston 2002-7-14 1940 Siskiyou Klamath National Forest, N slope of Rainbow Mountain. 1716 Comment
  CAS-BOT-BC25611  Boechera retrofracta John Thomas Howell 1937-7-26 13569 Siskiyou Salmon River Gulch. Between Big Flat and Caribou Gulch. Comment
  CAS-BOT-BC25693  Boechera sparsiflora E. K. Balls 1949-7-9 1394 Siskiyou 8.3 miles from Etna on road to Sawyer's Bar. 1005 Comment
  CAS-BOT-BC410948  Boechera sparsiflora L. E. Smith 1913-5-28 309 Siskiyou Yreka Comment
  SEINET5340463  Boechera stricta G. Butler 1900-7-8 1664 Siskiyou Shackleford Creek. 1219 Comment
  POM46111  Boisduvalia densiflora var. densiflora Geo. D. Butler 1910-6-29 1614 Siskiyou Yreka Creek Comment
  JEPS64003  Bolboschoenus maritimus W. L. Jepson 1940-6-23 20030 Siskiyou e Grenada (Shasta Valley); , e of Grenada 975 Comment
  UC375289  Brassica nigra Geo. D. Butler 1909-6-23 1051 Siskiyou Fields near Yreka. Comment
  CAS-BOT-BC484386  Brodiaea elegans subsp. elegans Donald Myrick 1961-6-21 294 Siskiyou Along Highway 99 just south of Yreka Comment
  RSA603844  Bromus berteroanus L. C. Wheeler 1935-5-7 3468 Siskiyou Klamath River at Ash Creek. 610 Comment
  UCD57493  Bromus briziformis Mr. Roseman 1913-1 5 Siskiyou Butte Valley. Comment
  CAS-BOT-BC155219  Bromus hordeaceus Wm. Bridge Cooke 1938-7-15 11216 Siskiyou Mount Shasta. Above Bear Springs. 1676 Comment
  UCD58758  Bromus hordeaceus August L. Hormay 1932-4-20 s.n. Siskiyou Brownwell. Comment
  SEINET250617 Image available Bromus inermis subsp. inermis Cindy Roche, Robert Korfhage 2005-7-12 Siskiyou Road 1055 milepost 3.3 Cook & Green Road. 1040 Comment
  UCD58952  Bromus laevipes Robert E. Preston 2001-6-23 1620 Siskiyou Rainbow Mountain and Vicinity. Klamath National Forest. N-facing slope of Rainbow Mtn. 1706 Comment
  UCD59264  Bromus orcuttianus R. Tofsrud 1949-8-3 s.n. Siskiyou Soap Creek Ridge between Yreka and Fort Jones. 1828 Comment
  SEINET10520365  Bromus orcuttianus A. Arthur Heller 1905-6-13 Heller s.n. Siskiyou Near Shasta Springs. Comment
  CAS-BOT-BC162006  Bromus racemosus John Thomas Howell 1952-6-14 28350 A Siskiyou East of Etna on Fort Jones-Callahan Road. Comment
  UC909360  Bromus racemosus Ira L. Wiggins 1950-5-27 12354 Siskiyou East Fork of Scott River, Callahan, Callahan Ranger Station Callahan Ranger Station; Scott River, Callahan, Callahan Ranger Station 975 Comment
  JEPS80526  Bromus suksdorfii Gilbert Muth 1966-7-17 409 Siskiyou Marble Mountain Wilderness Area, Trail to Lookout, Alpine fells field area Marble Mountain Wilderness Area 2042 Comment
  UC637096  Bromus vulgaris Annetta Carter 1934-8-13 708 Siskiyou watershed of West Branch Indian Creek (Happy Camp to Waldo (Oregon) Road, Klamath National Forest); Klamath National Forest 1463 Comment
  CAS-BOT-BC273224  Cacaliopsis nardosmia Geo. D. Butler 1910-5-1 1266 Siskiyou Humbug Mountain Comment
  RSA239003  Calamagrostis breweri Frederick W. Oettinger 1968-8-2 354 Siskiyou South end of Diamond Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2073 Comment
  CAS-BOT-BC185257  Calamagrostis koelerioides W. R. Dudley 1901-8-23 s.n. Siskiyou East slope of Foxtail Ridge. Comment
  SEINET8268873  Calliscirpus criniger Jacqueline Greenleaf 1981-7-5 703 Siskiyou Twin Valley. 1494 Comment
  HSC28745  Callitriche heterophylla var. heterophylla Frederick W. Oettinger 1969-9-4 1624 Siskiyou Marble Mtn. Wilderness Area, Diamond Lake 2073 Comment
  CAS-BOT-BC85745  Calocedrus decurrens J. H. Thomas; H. A. Thomas 1954-7-27 4558 Siskiyou Salmon - Trinity Mts. About 6 miles SE of Cecilville. Between Mt. View Cabin and S. Fork of Salmon River. 944 Comment
  HSC28738  Calocedrus decurrens Frederick W. Oettinger 1968-8-13 505 Siskiyou Marble Mtn. Wilderness Area, bank of Hancock Lake 1936 Comment
  SEINET212050 Image available Calocedrus decurrens D. K. Bailey 1972-9-12 72 -36 Siskiyou Along road from O'Brien, Oregon to Happy Camp, California; about 7 mi NW of Happy Camp. 457 Comment
  JEPS61648  Calochortus elegans Hilda W. Grinnell 1935-6-7 Siskiyou Dry Lake Ranger Station Siskiyou Mts. 2062 Comment
  SEINET8715954 Image available Calochortus elegans Unknown 1941-1 2429 Siskiyou Near Gunsight Peak, mountain west of Yreka Comment
  CAS-BOT-BC26265  Calochortus elegans var. oreophilus Marion Ownbey; Ruth P. Ownbey 1938-7-19 1748 Siskiyou 2.5 miles northeast of Dry Lake Lookout, summit of Siskiyou Mts. Comment
  UC1282007  Calochortus nudus Louise Kellogg Aug 5 1953-Aug 7 1953 102 Siskiyou 1 mi n Cory Peak, Klamath National Forest (11 mi e of Callahan on road to Gazelle, then 5.8 mi s on logging road); Scott Mountains, Cabin Meadow 1844 Comment
  CAS-BOT-BC493092  Calochortus nudus W. B. C. 1938-7-15 11219 Siskiyou Wagon camp 1706 Comment
  CAS-BOT-BC493097  Calochortus nudus Frank Callahan 1994-8-15 s.n. Siskiyou SE of Bartle both side of Hwy 89 in open to nearly closed canopy meadows with Salix and Pinus contorta. 1493 Comment
  JEPS124744 Image available Calochortus nudus B. Corwin 1964-7-1 125 Siskiyou Rich soil on east side of rte 89, 12.2 miles south of Fowler Public Camp turnoff. Comment
  UC1163460  Calochortus persistens Marion Ownbey and S. J. Preece Jr. 1952-6-25 3341 Siskiyou w of Yreka (ridge road to Deadwood Lookout) Comment
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Nov 3 2011
  HSC44915  Calochortus tolmiei J. P. Smith 1973-5-5 6483 Siskiyou Along Cook and Green Pass Rd. Comment
  CAS-BOT-BC181506  Caltha leptosepala Gilbert J. Muth 1969-8-12 1381 Siskiyou Second Valley 2225 Comment
  CAS-BOT-BC181516  Caltha leptosepala Maxine Wilkes 1940-8-1 s.n. Siskiyou Deep Lake, Marble Mts. Comment
  HSC4947  Caltha leptosepala J. O. Sawyer 1968-6-25 320 Siskiyou Along Horse Range Creek 1829 Comment
  HSC77039  Caltha leptosepala K. T. Stillman 1976-6-18 22 Siskiyou Marble Mountain Wilderness Area, Skyhigh Lakes 1707 Comment
  CHSC38987  Calycadenia ciliosa J. D. Jokerst 1983-7-21 1865 A Siskiyou At Wiley Ranch, ca center of the E edge. Comment
  UCR51762  Calycadenia truncata subsp. scabrella L. C. Wheeler 1934-6-26 2787 Siskiyou Siskiyou Mtns., Camp Lowe, Klamath River 765 Comment
  CAS-BOT-BC272746  Calycadenia truncata subsp. truncata Louis C. Wheeler 1934-6-26 2787 Siskiyou Camp Lowe, Klamath River, Siskiyou Mts. 762 Comment
  CAS-BOT-BC272751  Calycadenia truncata subsp. truncata L. E. Smith 1913-8-20 540 Siskiyou Montague Comment
  HSC33960  Calypso bulbosa J. P. Smith 1974-5-25 7430 Siskiyou Near junction of Rd. 8 with French Creek Rd. 1280 Comment
  HSC4943  Calypso bulbosa J. O. Sawyer 1968-6-18 199 Siskiyou Above S Russian Creek, below the Blake's Fork confluence. 1463 Comment
  HSC22850  Calyptridium monospermum J. O. Sawyer 1969-7-2 1000 Siskiyou E of Twin Lakes 2195 Comment
  CAS-BOT-BC94470  Calyptridium umbellatum R. C. Wenk 2005-7-19 335 Siskiyou Along Pacific Crest Trail, near top of pass below Mt. Eddy 2438 Comment
  CDA23944  Calyptridium umbellatum J. R. Grisham 1958-6-16 Siskiyou Near town of Mt. Shasta. 0 Comment
  CHSC88387  Camassia quamash subsp. breviflora Jenny Marr 1993-7-1 146 Siskiyou Butte Valley Wildlife Area, +/- 7 air miles NW of the town of MacDoel. Meadow NW of Meiss Lake. 1349 Comment
  CDA3582  Camelina microcarpa T. C. Fuller 1962-6-11 8959 Siskiyou East side of Hwy 99 to Black Butte Summit, 4.1 miles south of Weed. 0 Comment
  RSA48008  Camissonia contorta Roxana S. Ferris 1948-6-12 11757 Siskiyou French Creek logging road west of Callahan. 1067 Comment
  CAS-BOT-BC160909  Camissonia tanacetifolia subsp. tanacetifolia A. A. Heller 1922-7-15 13714 Siskiyou Along the shore of Medicine Lake 2133 Comment
  RSA186494  Camissonia tanacetifolia subsp. tanacetifolia Peter H. Raven 1962-5-30 17898 Siskiyou U.S. Highway 97, 4.4 miles south of Dorris Comment
  SEINET191600 Image available Campanula prenanthoides Marion Ownbey, Fred G Meyer 1940-7-4 2171 Siskiyou Siskiyou Mts NW of Hornbrook. Comment
  JEPS60248  Campanula prenanthoides L. R. Heckard with L. Constance and R. Ornduff 1969-7-25 2313 Siskiyou near Fall Creek Inn (along Gilman Road, between the Sacramento and McCloud arms of Shasta Lake); Shasta Lake 396 Comment
  SEINET10463106  Campanula prenanthoides Life 1923-8-6 LIFE s.n. Siskiyou Shasta Springs Comment
  SEINET10463152  Campanula prenanthoides Wolf 1927-8-26 WOLF 1064 Siskiyou On the Klamath River, 8 miles above Hamburg Comment
  SEINET10463161  Campanula prenanthoides Cyrus G. Pringle 1881-8-16 Pringle s.n. Siskiyou Comment
  SEINET10905915  Campanula prenanthoides Lathrop 1903-7-10 LATHROP s.n. Siskiyou SHASTA RETREAT Comment
  SEINET12271820  Campanula prenanthoides M. Ownbey, Meyer, F. G. 1940-1 2171 Siskiyou Siskiyou Mts., NW of Hornbrook Comment
  POM59341  Campanula rotundifolia E. B. Copeland 1904-08 s.n. Siskiyou Mt. Shasta Comment
  SEINET10972070  Campanula scabrella George Engelmann 1880-8-30 Engelmann s.n. Siskiyou SCOTTS MOUNTAIN UNDER PINUS ALBICAULIS & P. BALFOURIANA 2134 Comment
  RSA264953  Campanula scouleri G. L. Clifton 1975-7-29 5043 Siskiyou Copper Butte. Near Seiad Valley. 1415 Comment
  UC637161  Campanula scouleri Edward Lee 1934-8-13 1080 Siskiyou Happy Camp to Waldo (Oregon) road Klamath National Forest, watershed of west branch of Waldo C 1463 Comment
  SEINET10463778  Campanula scouleri John G. Lemmon Lemmon s.n. Siskiyou Sisson's meadows, near Shasta Comment
  SEINET10463781  Campanula scouleri Sawyer 1978-7-6 SAWYER 3348 Siskiyou Preston Peak quadrangle; along Happy Camp-O'Brien road above Louse Creek Comment
  SEINET10463788  Campanula scouleri Joseph W. Congdon 1900-8-16 Congdon s.n. Siskiyou Castle Lake Trail Comment
  SEINET10463791  Campanula scouleri Hemphill 1970-7-5 HEMPHILL s.n. Siskiyou Buck Lake 1311 Comment
  SEINET12265033  Campanula scouleri M. Ownbey, Meyer, F. G. 1940-1 2226 Siskiyou 18 mi N of Happy Camp Comment
  CAS-BOT-BC266457  Campanula wilkinsiana Allen Barbour 1961-8-1 s.n. Siskiyou Near Upper Caribou Lake, Trinity Alps Comment
  CAS-BOT-BC266466  Campanula wilkinsiana C. Edward Graves 1944-8-28 s.n. Siskiyou Panther Meadows, Mount Shasta Comment
  JEPS53306  Cardamine cordifolia var. lyallii Geo. D. Butler 1908-8-8 132 Siskiyou near pond at head Marble Mountain Valley 1676 Comment
  UC166136  Cardamine nuttallii Geo. D. Butler 1900-6-4 1487 Siskiyou Shackleford Creek Comment
  UC52222  Cardaria draba W. T. Mooney 1903-5-1 Siskiyou Yreka Comment
  SJSU15088  Carduus pycnocephalus subsp. pycnocephalus C. W. Sharsmith 1992-9-17 9246 Siskiyou Lower Klamath Lake, 3-4 mi E of Highway 97 on Stateline Road, Klamath Wildlife Refuge 1225 Comment
  SEINET7484119 Image available Carex abrupta Ray Tallent 1987-1 911 Siskiyou Klamath National Forest; Trail to Long Gulch Lake 1820 Comment
  CAS-BOT-BC17865  Carex amplifolia Louis C. Wheeler 1934-6-14 2711 Siskiyou Siskiyou Mountains. Arrastre Creek off Hungry Creek. 1280 Comment
  HSC39336  Carex amplifolia J. O. Sawyer 1969-7-11 861 Siskiyou Ravine above C.C.C. road. 1280 Comment
  HSC41063  Carex amplifolia J. O. Sawyer 1969-6-27 861 Siskiyou Ridge between Duck Lake Creek & French Creek along FS 41N14 1280 Comment
  HSC76853  Carex amplifolia L. P. Janeway 1982-6-22 20 Siskiyou Next to creek 15 m below road from West Branch Guard Station towards Indian Creek 671 Comment
  CAS-BOT-BC17965  Carex angustata W. R. Dudley 1893-6-21 s.n. Siskiyou Peter Klinks Meadow. Comment
  HSC39285  Carex angustata J. O. Sawyer 1969-6-12 889 Siskiyou Sugar Creek 1515 Comment
  CHSC55553  Carex aquatilis var. dives L. P. Janeway 1983-8-16 560 Siskiyou At Poker Flat. 1524 Comment
  SEINET8258306  Carex aurea Elmer I. Applegate 1895-5-28 779 Siskiyou Sisson, Strawberry Valley, Siskiyou County Comment
  JEPS25656  Carex bolanderi Rimo Bacigalupi with Mr. and Mrs. Van Deventer 1959-7-10 7299 Siskiyou 4 air0line mi nne Preston Peak (just e of Del Norte County line); Siskiyou Mts., Twin Valley, watershed of Indian Creek 1493 Comment
  CAS-BOT-BC19650  Carex brainerdii Alice Eastwood 1923-5-18 11852 Siskiyou Shasta Springs. Comment
  CAS-BOT-BC19651  Carex brainerdii William Bridge Cooke 1939-8-10 13819 Siskiyou Mount Shasta. In the bed of Mud Creek Canyon. 1828 Comment
  UC823366  Carex breweri A. A. Heller 1922-7-3 13679 Siskiyou Mount Eddy above the head of Wagon Creek 2560 Comment
  HSC96593  Carex echinata subsp. echinata Gordon Leppig, J. Cromwell 1997-7-25 583 Siskiyou Klamath National Forest, Russian Wilderness, cirque W of Little Duck Lake 2200 Comment
  POM229215  Carex echinata subsp. echinata L. C. Wheeler 1935-7-26 3721 Siskiyou Siskiyou mountains: Jaynes Canyon 1951 Comment
  CAS-BOT-BC20745  Carex fracta William Bridge Cooke 1938-8-19 11524 Siskiyou Mt. Shasta. Lower Bear Spring. 1524 Comment
  CAS-BOT-BC20752  Carex fracta J. Major 1961-7-14 647 Siskiyou Mount Shasta. In Mud Creek. 1706 Comment
  SEINET515838  Carex halliana Vernon Oswald 1997-7-28 8798 Siskiyou Schonchin Spring Campground at Medicine Lake. 2057 Comment
  JEPS121602  Carex hassei Danielle Roach 2011-9-15 Siskiyou Tamarack Flat, north of Mt. Eddy. Flat meadow on ultramafic soil. South China Mountain quadrangle. TF1_B Comment
  SEINET7562360 Image available Carex infirminervia Ray Tallent 1987-8-12 901 Siskiyou Klamath National Forest, Long Gulch Lake, SE end of lake. 1945 Comment
  UCD77463  Carex inops subsp. inops Robert E. Preston 1999-7-16 1226 Siskiyou McCloud River, at Fowler's Campground and along trail to Middle Falls. 999 Comment
  SEINET4292187 Image available Carex integra Unknown 2006-1 8775 Siskiyou Klamath Range. Salmon Mountains; south side of upper Carter Meadows 0.5 km west of Carter Meadows Summit. Deadman Peak 7.5' quad. Comment
  HSC76792  Carex integra L. P. Janeway 1982-8-13 126 Siskiyou 1 m from N edge of Bear Lake 1814 Comment
  UC1152060  Carex jonesii Joseph P. Tracy 1950-7-20 19205 Siskiyou about 5 mi se Elk Valley; Flint Valley 1432 Comment
  POM254202  Carex lenticularis var. lipocarpa J. T. Howell 1939-8-3 14760 Siskiyou Spirit Lake, Marble Mountains. 1829 Comment
  CAS-BOT-BC28428  Carex lenticularis var. lipocarpa William Bridge Cooke 1939-7-7 13613 Siskiyou In the bog formed by the lower Wagon Camp springs. 1737 Comment
  POM211466  Carex leporinella L. C. Wheeler 1934-8-9 3087 Siskiyou Siskiyou Mountains: Head of Jaynes Canyon. 1981 Comment
  RSA237325  Carex leptopoda Frederick W. Oettinger, Robert F. Thorne 1969-8-6 1245 Siskiyou Pine Lake Basin. Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1829 Comment
  HSC91401  Carex luzulina Jennifer Whipple 1977-8-5 2167 Siskiyou Mt. Eddy, Wagon Creek drainage near Wagon Creek 2287 Comment
  CAS-BOT-BC31628  Carex luzulina var. ablata Arthur L. Menzies 1962-7-21 s.n. Siskiyou Morgan Meadows, base of Mt. Eddy. 1706 Comment
  CAS-BOT-BC31675  Carex luzulina var. ablata A. A. Heller 1920-7-6 13410 Siskiyou Metcalf's ranch, NE base of Mt. Eddy. 1158 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
  HSC39866  Carex multicaulis J. O. Sawyer 1969-7-11 1308 Siskiyou Along S Sugar Creek below S Sugar Lake 2012 Comment
  HSC77196  Carex multicaulis L. P. Janeway 1983-6-26 350 Siskiyou Near W Branch USFS Station 671 Comment
  SEINET8275892  Carex multicaulis Elmer I. Applegate 1895-5-28 784 Siskiyou Sisson, Strawberry Valley, Siskiyou County, California Comment
  CAS-BOT-BC32280  Carex multicostata R. Tallent 1961-7-14 644 -A Siskiyou Klamath National Forest, Forest Rd 39N11 at Little Jackson Creek. 1739 Comment
  UCR45814  Carex multicostata K. T. Stillman 1976-7-30 328 Siskiyou Marble Mountain Wilderness Area. Elk Valley. Comment
  CAS-BOT-BC32281  Carex multicostata Louis Cutter Wheeler 1934-8-6 3049 Siskiyou Bear Ground Bl. 1676 Comment
  HSC76941  Carex multicostata K. T. Stillman 1976-8-15 261 Siskiyou Marble Mountain Wilderness Area 1951 Comment
  RSA48014  Carex nebrascensis Roxana S. Ferris, Laura Lorraine s.n. Siskiyou East fork of Scott River drainage, Parker Ranch, Plowman s [Noyes] Valley. 1204 Comment
  CAS-BOT-BC119465  Carex nudata C. F. Baker 1903-7-4 3541 Siskiyou Klamathon Comment
  CHSC40202  Carex pachystachya L. P. Janeway 1983-8-27 622 Siskiyou South end and sl above dry bed of vernal pond. Near the Twin Valley/Poker Flat trail. 1676 Comment
  CAS-BOT-BC118930  Carex pellita T. C. Fuller 1964-10-7 12686 Siskiyou Roadside ditch, E side of Hwy 99, S limits of Weed. Comment
  CAS-BOT-BC118573  Carex praegracilis Alice Eastwood; John Thomas Howell 1936-6-13 2748 Siskiyou 6 miles N of Weed Comment
  CAS-BOT-BC118795  Carex preslii William Bridge Cooke 1939-7-13 13636 Siskiyou Bottom of Horse Camp Creek. 2438 Comment
  JEPS113331  Carex rossii L. P. Janeway 2006-7-2 8727 Siskiyou Klamath Ranges. Salmon Mountains; near minor drainage to South Fork Scott River from the west, 1.6 km north of Carter Meadows Summit. Comment
  HSC91375  Carex rostrata Jennifer Whipple 1977-8-6 2244 Siskiyou Dale Creek drainage on the N face of Mt. Eddy 2195 Comment
  CHSC95999  Carex scabriuscula L. P. Janeway 2006-7-4 8788 Siskiyou Klamath Ranges. Scott Mountains; Darlingtonia fen and creeklet complex above Road 40N13 1.6 air km west of Scott Mountain Summit. 1728 Comment
  HSC39279  Carex scopulorum J. O. Sawyer 1969-8-1 1597 Siskiyou Behind Horseshoe Lake 1921 Comment
  JEPS84063  Carex scopulorum var. bracteosa L. R. Heckard with S. D'Alcamo, J. Hickman, S. Winchester 1986-7-16 6435 Siskiyou ca. 5 mi n town of Seiad Valley (cirque at head of Hell's Canyon, e slope of Kangaroo Mountain); Kangaroo Mountain, Hell's Canyon 1828 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
  UC1108382  Carex spectabilis Philip A. Munz 1960-8-22 24177 Siskiyou Panther Meadows Mt. Shasta 2316 Comment
  CAS-BOT-BC117240  Carex spectabilis William Bridge Cooke 1939-7-26 13748 Siskiyou In the west boreal spring above Panther Creek Meadows. 2743 Comment
  HSC30672  Carex spectabilis Frederick W. Oettinger 1969-9-2 1601 Siskiyou Marble Mtn. Wilderness Area, in Bear Meadow near Tom Taylor Cabin 2165 Comment
  HSC76307  Carex spectabilis L. P. Janeway 1982-8-15 150 Siskiyou SW side of Echo Lake 1677 Comment
  RSA238958  Carex spectabilis Frederick W. Oettinger 1969-9-2 1603 Siskiyou Bear Meadow near Tom Taylor Cabin. Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2165 Comment
  SEINET7575712 Image available Carex spectabilis John Thomas Howell 1939-8-8 15189 Siskiyou Black Mt, Marble Mts. Comment
  SEINET7484118 Image available Carex subfusca Ray Tallent 1987-1 911 Siskiyou Klamath National Forest. Trail to Long Gulch Lake 1820 Comment
  CAS-BOT-BC115850  Carex subfusca William Bridge Cooke 1940-7-5 15272 Siskiyou In the sedge swamp at Wagon Camp. 1737 Comment
  SEINET13260545  Carex subfusca P. E. Hyatt 2002-7-31 11135 Siskiyou Happy Camp community. Along Klamath River. Collected while departing work on the Stanza Fire (Happy Camp) as a Base Camp Manager. In memory of engine E-11 Lassen NF; John Self, Hether DePaulo, Steve Ousatd. Happy Camp Elementary School Grounds; wet area, sewer smell, downslope form main school building in mown lawn. 41 deg. 47" 37.5" 123 deg. 22" 24.3". [See postcard.]; Klamath River Comment
  SEINET11998355  Cassiope mertensiana Unknown 1986-1 60402 Siskiyou SW of Cook & Green Pass, Kangaroo Mt 1920 Comment
  CAS-BOT-BC249374  Castilleja applegatei K. L. Chambers 1967-6-22 2866 Siskiyou Siskiyou Mountains. About 500 ft. above and east of the freeway (Hwy. 5) at Hilts exit, Siskiyou Pass 1097 Comment
  HSC72454  Castilleja applegatei subsp. pinetorum J. P. Smith, Steve Selva 1970-6-15 3962 Siskiyou 20 mi. E of Cecilville on the road to Callahan. 1646 Comment
  JEPS45564  Castilleja applegatei subsp. pinetorum Douglas Barbe 1955-7-9 144 Siskiyou sw side Kangaroo Lake; Klamath Mountains, Scott Mountains 1828 Comment
  JEPS46076  Castilleja applegatei subsp. pinetorum L. R. Heckard and R. Bacigalupi 1966-6-13 1522 Siskiyou about 1 mi ne Bolam (near Bolam logging road on n side of Mt. Shasta) 1432 Comment
  RSA17663  Castilleja applegatei subsp. pinetorum Elmer I. Applegate 1935-6-6 9378 Siskiyou Hippo Butte, Lava Beds National Monument. Comment
  UC722238  Castilleja applegatei subsp. pinetorum C. L. Hitchcock and J. S. Martin 1939-7-9 5327 Siskiyou 0.5 mi se King's Castle; Marble Mts. Comment
  JEPS23283  Castilleja arachnoidea Rimo Bacigalupi with Dr. Lincoln Constance 1959-6-16 7152 Siskiyou just e Mt. Shasta Ski Bowl Lodge (fields above Panther Meadow, sw slopes of Mt. Shasta); Mt. Shasta 2346 Comment
  JEPS3870  Castilleja arachnoidea W. L. Jepson 1940-6-27 20034 Siskiyou e slope Mt. Shasta 1828 Comment
  JEPS84015  Castilleja arachnoidea L. R. Heckard with J. Hickman et al. 1986-7-17 6493 Siskiyou ca 14.5 mi from Hwy 96 (Walker) (Oak Knoll Ranger Station road to Condrey Mt., near Dry Lake); road to Condry Mt., near Dry Lake 1950 Comment
  HSC29387  Castilleja arachnoidea Frederick W. Oettinger 1968-8-4 393 Siskiyou Salmon Mts., Crapo Peak Ridge 2195 Comment
  RSA233657  Castilleja arachnoidea Robert F. Thorne, Frederick W. Oettinger 1969-8-10 39007 Siskiyou Mt. Shasta National Forest. S slope of Mt. Shasta. 2378 Comment
  RSA488704  Castilleja arachnoidea James L. Reveal, Mark L. Reveal 1975-8-15 3954 Siskiyou Siskiyou Mountains, Klamath National Forest, along the Dry Lake Lookout Road (Forest Service Road 40S01), 0.3 mile southwest of the Dead Cow Creek Road and about 1 mile southeast of Dry Lake Lookout. Comment
  JEPS4342  Castilleja lacera W. L. Jepson 1940-7-3 20119 Siskiyou 5 mi se Bartle; Big Bear Flat 1219 Comment
  HSC69401  Castilleja miniata Maralyn A. Renner 1980-8-8 2439 Siskiyou Rattlesnake Meadow 1646 Comment
  SEINET14142077  Castilleja miniata G. D. Butler 1910-6-3 1472 Siskiyou Quartz Valley. Comment
  UC922473  Castilleja miniata Annie M. Alexander and Louise Kellogg 1949-7-20 5811 Siskiyou slope above Paradise Lake; Marble Mountains 1920 Comment
  JEPS23770  Castilleja miniata Rimo Bacigalupi with Drs. Reino and Aloha Alava 1958-9-2 6830 Siskiyou just n Scott Mtn. road summit 1615 Comment
  RSA165515  Castilleja miniata Clare B. Hardham 1961-6-30 7997 Siskiyou Siskiyou Mountains: White Mt. Comment
  RSA504754  Castilleja miniata Leg A Meebold 1935-07 19774 Siskiyou Mt. Shasta (city). Comment
  CAS-BOT-BC32558  Castilleja muscipula var. armeniaca John Thomas Howell 1939-8-4 15061 Siskiyou Near Spirit Lake, Marble Mts. 1828 Comment
  HSC72442  Castilleja pruinosa J. P. Smith, Steve Selva 1970-7-15 4363 Siskiyou Baldy Mtn. Lookout Station 1723 Comment
  POM301760  Castilleja pruinosa Marion Ownbey, D. H. Brown 1941-6-22 2422 Siskiyou West of Craggy Mountain, northwest of Yreka Comment
  UC922484  Castilleja schizotricha Annie M. Alexander and Louise Kellogg 1949-7-22 5840 Siskiyou Paradise Lake Marble Mountains (trail to Kings Castle, top of ridge) 2072 Comment
  RSA0005982  Castilleja shastense E. B. Copeland 1903-8-15 3805 Siskiyou Mount Shasta. 2317 Comment
  UC61166  Ceanothus cordulatus W. A. Setchell, C. C. Dobie 1902-7-13 Siskiyou Sisson Mt. Shasta Comment
  RSA399044  Ceanothus cuneatus Bonnie C. Templeton 1957-6-22 s.n. Siskiyou Along the Scott River, north of Callahan. Comment
  JEPS42428  Ceanothus integerrimus W. L. Jepson 1914-8-14 6170 Siskiyou Dunsmuir 670 Comment
  UC164401  Ceanothus integerrimus Geo. D. Butler 1909-5-31 769 Siskiyou Humbug Mountain Comment
  CAS-BOT-BC50684  Ceanothus integerrimus var. macrothyrsus G. P. Rixford s.n. Siskiyou South side of Shaft-Rock Mt. Hilt Comment
  RSA25704  Ceanothus integerrimus var. macrothyrsus Carl B. Wolf 1941-7-26 11079 Siskiyou Sacramento River Canyon, 1 mile below Dunsmuir. 671 Comment
  CAS-BOT-BC53088  Ceanothus prostratus W. R. Dudley 1893-6-20 s.n. Siskiyou Castle Lake Trail Comment
  CAS-BOT-BC52170  Ceanothus pumilus Ira L. Wiggins 1950-5-28 12365 Siskiyou Margins of Carmen Lake, about 1.5 miles east of Scott Mountain road 1737 Comment
  CAS-BOT-BC52171  Ceanothus pumilus Geo. D. Butler 1909-4-24 907 Siskiyou Greenhorn road Comment
  CAS-BOT-BC63154  Ceanothus velutinus Doris K. Kildale 1929-8-24 9066 Siskiyou Trail to Preston Peak between Ynengs Valley and Rattlesnake Meadow. 1524 Comment
  HSC59642  Ceanothus velutinus J. P. Smith, Steve Selva 1970-6-16 4047 Siskiyou 7 mi. W of Etna on road to Sawyers Bar. 1280 Comment
  RSA82882  Ceanothus velutinus J. M. Tucker 1950-7-23 1938 Siskiyou Beside road to Panther Meadows, S slope of Mt Shasta. 1524 Comment
  SEINET5339428  Ceanothus velutinus G. Butler 1910-6-5 1480 Siskiyou Shackleford Creek Comment
  CAS-BOT-BC52812  Ceanothus velutinus var. velutinus John Thomas Howell 1939-8-3 15016 Siskiyou Spirit Lake, Marble Mts. 1828 Comment
  CDA18843  Centaurea maculosa R. Breckenridge 1999-6-3 PDR 909442 Siskiyou Along I-5 near Simms Road underpass in the vicinity of Dunsmuir. 0 Comment
  CDA34726  Centaurea solstitialis L. Ahart, John Dittes 2010-7-3 16947 Siskiyou On high ground in a meadow area west of the Shasta River, about 200 yards northwest of the East Louie Road Bridge, Shasta Big Springs Ranch, 1.6 miles (air) southwest of Big Springs Lake, 4.6 miles (air) northwest of Dwinnel Dam, 5.7 miles (air) southeast of Grenada. Comment
  UC166200  Centaurium venustum Geo. D. Butler 1908-7-10 1020 Siskiyou near Yreka Comment
  CAS-BOT-BC384981  Cerastium dichotomum John Thomas Howell; T. C. Fuller; G. D. Barbe 1980-4-28 53375 Siskiyou 2 miles south of Grenada, Shasta Valley 762 Comment
  HSC71655  Cercis occidentalis J. P. Smith, Steve Selva 1970-6-17 4092 Siskiyou 12 mi. E of Somes Bar on road between Forks of Salmon and Somes Bar 366 Comment
  CAS-BOT-BC147683  Cercocarpus betuloides var. betuloides Copeland 1903-7-14 3504 Siskiyou Klamathon Comment
  UCD113097  Cercocarpus ledifolius Wm. E. Moon 1958-5-29 s.n. Siskiyou 12 miles NE of Weed, State Highway 97. 1219 Comment
  CAS-BOT-BC148519  Cercocarpus ledifolius var. ledifolius Geo. D. Butler 1910-5-4 1274 Siskiyou Near Yreka Comment
  HSC18559  Cercocarpus montanus var. glaber C. B. Wolf 1927-8-26 1032 Siskiyou Klamath River, 5 mi. below Hornbrook Comment
  CAS-BOT-BC276755  Chaenactis douglasii var. douglasii Louis C. Wheeler 1934-6-15 2715 Siskiyou Hungry Creek, Siskiyou Mountains 1280 Comment
  CAS-BOT-BC276768  Chaenactis douglasii var. douglasii Alice Eastwood 1912-8-30 s.n. Siskiyou Mount Eddy Comment
  CAS-BOT-BC276780  Chaenactis douglasii var. douglasii Alice Eastwood 1912-8-30 1999 Siskiyou Mount Eddy Comment
  HSC76752  Chaenactis douglasii var. douglasii K. T. Stillman 1976-7-21 270 Siskiyou Marble Mtn. Wilderness Area 1982 Comment
  JEPS34210  Chaenactis douglasii var. douglasii W. L. Jepson 1940-7-1 20073 Siskiyou 6 mi e of McCloud (Fowlers Camp); McCloud River 944 Comment
  UCR93373  Chaenactis douglasii var. douglasii Kathy Harper, Dane Karr 1994-6-16 s.n. Siskiyou Modoc National Forest, Forest Service Road 49 (Lava Beds/Medicine Lake Road) within 1 mile of southern boundary of Lava Beds National Monument 1555 Comment
  CAS-BOT-BC276761  Chaenactis douglasii var. douglasii Geo. D. Butler 1909-6-12 332 Siskiyou Greenhorn Mountain Comment
  CAS-BOT-BC276774  Chaenactis douglasii var. douglasii Gilbert Muth 1965-8-12 s.n. Siskiyou Black Mountain, S slope Comment
  CAS-BOT-BC276779  Chaenactis douglasii var. douglasii W. B. Cooke; V. G. Cooke 1960-8-8 s.n. Siskiyou Fell fields, W side of Mud Creek Canyon, Mount Shasta 3048 Comment
  HSC42228  Chaenactis suffrutescens J. Mastrogiuseppe 1974-9-2 177 Siskiyou Siskyou/Trinity County line; Red Rock Mtn. 2256 Comment
  JEPS81881  Chaenactis suffrutescens Roger Raiche 1982-7-6 20556 Siskiyou near Fort Jones 822 Comment
  CAS-BOT-BC141589  Chamaebatiaria millefolium John Thomas Howell 1934-7-4 12399 Siskiyou Se. corner of Siskiyou Co. Comment
  SBBG27369  Chamaebatiaria millefolium J. W. Thompson 1936-7-8 13151 Siskiyou lava slopes of Lava Beds Nat Monument Comment
  CDA1805  Chamaecyparis lawsoniana D. G. Kelch 2007-7-25 7 .497 Siskiyou Indian Creek Rd., just S of Greyback Summit. Comment
  UC902143  Chamaesyce maculata Joseph P. Tracy 1949-9-13 18549 Siskiyou near forks Salmon (at mouth of Butter Creek) 274 Comment
  JEPS82482  Chamerion latifolium Gilbert Muth 1965-8-11 205 Siskiyou along trail to four corners Marble Mt. Wilderness Area, Black Mt. 1874 Comment
  CAS-BOT-BC68202  Cheilanthes gracillima John Thomas Howell 1939-8-6 15100 Siskiyou Marble Mts. - Elk Mt. Comment
  UC1597994  Cheilanthes gracillima Alan R. Smith with Christopher Richard, and C. Don MacNeill 1993-5-10 2555 Siskiyou e rim Mammoth Crater; Lava Beds Nat'l Monument 1645 Comment
  CAS-BOT-BC68237  Cheilanthes gracillima Ira L. Wiggins 1955-7-27 13531 Siskiyou Salmon-Trinity alps Primitive Area - on rocky ridge along west side of Caribou Lake 2042 Comment
  CAS-BOT-BC68245  Cheilanthes gracillima Doris K. Kildale 1928-8-20 6592 Siskiyou Lily Pad Lake, near Hancock Lookout Comment
  UC1216706  Chenopodium album W. B. and V. G. Cooke 1962-8-19 33545 Siskiyou in clearings along Memorial Highway; Mt. Shasta Comment
  UC1536790  Chenopodium album Gordon H. True Jr. 1939-7-25 1033 Siskiyou nw Dorris; Meisse Lake Comment
  UC163671  Chenopodium botrys Geo. D. Butler 1908-7-6 82 Siskiyou along creek near Yreka Comment
  JEPS59762  Chenopodium vulvaria Louis C. Wheeler 1934-10-6 3307 Siskiyou Yreka 792 Comment
  CAS-BOT-BC451432  Chimaphila menziesii W. R. Dudley 1899-8-22 s.n. Siskiyou Craggy Peak Comment
  CAS-BOT-BC451437  Chimaphila menziesii Louis C. Wheeler 1934-8-24 3221 Siskiyou Siskiyou Mts., Trapper Creek 1615 Comment
  HSC67798  Chimaphila menziesii J. O. Sawyer, J. Cole 1980-7-22 3992 Siskiyou Little Horse Peak 1720 Comment
  HSC73225  Chimaphila menziesii Gail Newton 1980-6-20 518 Siskiyou Near Bald Mtn. 1326 Comment
  SBBG25823  Chimaphila menziesii D. Myrick 1966-8-10 1527 Siskiyou Salmon Crk Trail at Mountain Meadow Ranch, Big Flat 1676 Comment
  UCR90895  Chimaphila umbellata Kathy Harper, Dane Karr 1994-6-10 s.n. Siskiyou North Coast Range, Indian Creek Camp, 14.5 mi NW of Happy Camp along Indian Creek Road, off Hwy 96. Near campsites 7 to 9 610 Comment
  HSC96818  Chimaphila umbellata S. Lyon, J. McIntire 2006-6-25 22 Siskiyou On FS Rd. 39N35, 0.26 mi. SE of intersection with FS Rd. 39N27 1341 Comment
  CAS-BOT-BC39663  Chorispora tenella T. C. Fuller 1962-5-18 8748 Siskiyou Epperson prop., 3.5 miles northwest of Gazelle. Comment
  CAS-BOT-BC39666  Chorispora tenella S. D. Nelson 1951-4-27 s.n. Siskiyou 1 mile northwest of Gazelle. Comment
  CAS-BOT-BC36243  Chrysolepis sempervirens Roxana S. Ferris; Laura Lorraine 1941-8-11 10508 Siskiyou About 7 miles from Medicine Lake on road to Modoc Lave Beds National Monument, Shasta National Forest Comment
  CAS-BOT-BC36246  Chrysolepis sempervirens Mrs. H. P. Bracelin 1931-6-19 408 Siskiyou North side of Mt. Eddy, up from Metcalf's ranch house 1341 Comment
  UCD13279  Chrysolepis sempervirens K. F. Mawdsley 1996-7-9 12 b Siskiyou California, Siskiyou County. Russian Wilderness in Klamath NF. T40N, R9w, NW 1/4 of Section 19, Eaton Peak 7.5 topo. Elevation 6400. From Eaton-Duck Lakes Trailhead off Hwy 3 on French Creek Rd. Comment
  CDA38307  Cicuta douglasii T. C. Fuller 1984-7-3 20429 Siskiyou On east side of railroad, north limits of Mt. Shasta City. 0 Comment
  UC1265356  Cinna latifolia F. W. Oettinger 1968-9-2 663 Siskiyou sw Upper English Lake (Salmon Mountains); , Upper English Lake 1874 Comment
  UC164412  Circaea alpina subsp. pacifica Geo. D. Butler 1910-6-4 1499 Siskiyou Shackleford Creek Comment
  CDA1028  Cirsium andersonii M. R. Pryor 1950-7-26 s.n.-C Siskiyou Hwy 99, 4 mi. N of Gazelle. Comment
  UC1550271  Cirsium ciliolatum W. J. Ferlatte 1988-6-28 2114 Siskiyou ne corner at intersection of York Rd. and Mulloy Rd. 813 Comment
  UCD130565  Cirsium cymosum D. H. Shaw; T. C. Fuller 1978-7-5 s.n. Siskiyou north side York Road, 0.3 km east of Bryant-Willow Creek Road, 15 km north of Montague. Comment
  JEPS86289  Cirsium cymosum var. cymosum W. L. Jepson 1940-6-22 19977 Siskiyou near Hawkinsville; Shasta River 792 Comment
  UC165436  Cirsium cymosum var. cymosum Geo. D. Butler 1910-5-20 1368 Siskiyou Yreka Comment
  JEPS59123  Cirsium douglasii var. breweri Willis L. Jepson Jul 24 1894-Aug 10 1894 Siskiyou meadows at Sissons Region of the Upper Sacramento, Strawberry Valley, Sissons Comment
  HSC92670  Cirsium douglasii var. breweri Jennifer Whipple 1976-7-24 1567 Siskiyou Near Dobkins Lake 2073 Comment
  CDA1274  Cirsium inamoenum T. C. Fuller 1979-10-3 20271 -A Siskiyou Goosenest Rd., 14 km northeast of Tennant. 0 Comment
  HSC72015  Cirsium occidentale var. candidissimum J. P. Smith, J. O. Sawyer, Kevin Sawyer, Jane Sawyer 1976-9-5 8977 Siskiyou 1/5 mi. W of State Rte. 3 on Road 8 671 Comment
  HSC34345  Cirsium remotifolium J. P. Smith, J. O. Sawyer 1973-8-14 7302 Siskiyou On trail from Campbell Lake to Cliff Lake 1829 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
  JEPS59252  Cirsium scariosum Geo. D. Butler 1909-6-13 977 Siskiyou Oro Fino Comment
  CAS-BOT-BC286464  Cirsium scariosum J. C. Chastain 1917-6-1 s.n. Siskiyou Castella Comment
  CAS-BOT-BC286469  Cirsium scariosum John Thomas Howell 1952-6-14 28334 Siskiyou Gazelle Comment
  CAS-BOT-BC286471  Cirsium scariosum John Thomas Howell 1952-6-14 28334 Siskiyou Gazelle Comment
  CAS-BOT-BC228961  Cistanthe umbellata H. A. Thomas; J. H. Thomas 1954-7-24 4485 Siskiyou Salmon - Trinity Mts. Vicinity of Rush Lake and Ruch Creek Meadow. About 9 miles E of Cecilville 1981 Comment
  CAS-BOT-BC228968  Cistanthe umbellata A. A. Heller 1940-7-25 15771 Siskiyou About Horse Camp, Mt. Shasta 2438 Comment
  CAS-BOT-BC228979  Cistanthe umbellata John Thomas Howell 1934-7-4 12392 Siskiyou Unspecified Comment
  CAS-BOT-BC228980  Cistanthe umbellata Alice Eastwood 1921-7-28 10873 Siskiyou Medicine Lake Comment
  CAS-BOT-BC228955  Cistanthe umbellata F. D. Douthitt 1923-7-13 3 Siskiyou Klamath National Forest, Dry Lake Mt. 2133 Comment
  RSA0059898  Clarkia lassenensis J. P. Smith 1974-5-25 7413 Siskiyou Along road 8, 0.9 miles from its jct with State Route 3. 976 Comment
  CAS-BOT-BC163457  Clarkia purpurea subsp. quadrivulnera L. B. Kildale 1930-6-1 9699 Siskiyou Salmon River between Forks of Salmon & Somes Bar Comment
  SEINET7096712  Clarkia purpurea subsp. quadrivulnera A. G. Vestal 1963-6-3 s.n. Siskiyou Dry weedy area among larva boulders north of Mayten. NAD27, 41? deg. 40' 41ao, -122?_ 20' 08ao (converted to WGS84 decimal degrees) UTM Zone 10, 555305mE, 4614022mN. Comment
  RSA12600  Clarkia rhomboidea Carl B. Wolf 1934-7-6 5986 Siskiyou 3 mi. from Mt. Shasta City on Wagon Camp Road. SW slope of Mt. Shasta. 1220 Comment
  HSC64313  Claytonia cordifolia J. P. Smith, Steve Selva 1970-6-16 4055 Siskiyou 8 mi. W of Etna on road to Sawyers Bar. 1372 Comment
  HSC76980  Claytonia cordifolia K. T. Stillman 1976-6-25 72 Siskiyou Marble Mtn. Wilderness Area 1799 Comment
  CAS-BOT-BC439141  Claytonia exigua subsp. exigua John Thomas Howell; T. C. Fuller; G. D. Barbe 1980-4-29 53412 Siskiyou Fort Jones 853 Comment
  RSA466946A  Claytonia exigua subsp. exigua Christopher Davidson 1975-6-5 2670 Siskiyou 0.8 mi. from gate on special service rd. branching SE of rd from Gazelle to Callahan, ca. 9.3 miles W of Gazelle. Klamath Nat. Forest. 1509 Comment
  RSA466953  Claytonia exigua subsp. exigua L. C. Wheeler 1935-3-18 3378 Siskiyou Cottonwood Creek. 945 Comment
  SEINET11942356  Claytonia lanceolata H. P. Chandler 1901-1 1690 Siskiyou Marble Mountain, North Coast Ranges 2286 Comment
  UC726464  Claytonia rubra subsp. rubra A. A. Heller 1919-6-30 13286 Siskiyou near Durney's Mill Comment
  UC1258443  Claytonia sibirica Maralyn A. Renner 1980-7-23 1839 Siskiyou about 1 mi e Cook and Green Pass (Pacific Crest Trail); Klamath National Forest, Seiad Valley Quad. 1752 Comment
  CAS-BOT-BC92767  Clematis ligusticifolia William Bridge Cooke 1940-6-20 15183 Siskiyou Above the Pacific Highway in the Klamath Gorge. 609 Comment
  UCD139631  Clintonia uniflora J. M. Tucker; D. V. Hemphill 1974-7-28 4334 Siskiyou 1.5 miles south of Haypress Meadows, beside trail to Camp 4, Marble Mountain Wilderness Area. 1463 Comment
  CAS-BOT-BC499972  Clintonia uniflora A. A. Heller 1919-6-20 13251 Siskiyou Metcalf's ranch, northeast base of Mt. Eddy 1158 Comment
  CAS-BOT-BC500960  Clintonia uniflora John Thomas Howell 1939-8-3 15015 Siskiyou Spirit Lake 1828 Comment
  SEINET10966302  Clintonia uniflora John G. Lemmon 1879-7-12 Lemmon s.n. Siskiyou Scotch Camp, Mount Shasta, CA. Comment
  RSA181625  Cnicus benedictus Dorothy Parker 1950-6-19 458 Siskiyou Near Scott River, Scott Valley (Horn Ranch) 851 Comment
  CAS-BOT-BC238057  Collinsia A. M. Vollmer; L. Beane 1951-6-2 76 Siskiyou Happy Camp, Klamath River Highway Comment
  UC163700  Collinsia grandiflora Geo. D. Butler 1910-6-6 1464 Siskiyou Quartz Valley Comment
  SEINET10311487 Image available Collinsia linearis Marc Baker 1980-6-20 2227 g Siskiyou Near Bald Mountain 275 Comment
  UC138811  Collinsia linearis A. A. Heller 1905-6-1 7946 Siskiyou Shasta Retreat Comment
  POM43379  Collinsia linearis Geo. D. Butler 1909-5-30 758 Siskiyou Humbug Mountain. 1220 Comment
  CHSC88111  Collinsia parviflora Jenny Marr 1993-7-1 121 Siskiyou Butte Valley Wildlife Area, +/- 7 air miles NW of the town of MacDoel. Meadow NW of Meiss Lake. 1349 Comment
  UC1229805  Collinsia parviflora Francia Chisaki, Gene Newcomb 1958-6-22 1157 a Siskiyou 9.6 mi w of Fort Jones (on road to Gazelle and 9.4 mi s from this road to Duzel Rock, between Fort Jones and Gazelle); Duzel Rock 1645 Comment
  SBBG18759  Collinsia rattanii C. B. Hardham 1961-7-2 8056 Siskiyou Salmon Mtn Summit 1828 Comment
  JEPS3897  Collinsia sparsiflora var. collina George D. Butler 1909-4-4 574 Siskiyou e of Yreka; Shasta Valley Comment
  JEPS84248  Collomia grandiflora L. R. Heckard with S. D'Alcamo, J. Hickman, S. Winchester 1986-7-15 6312 Siskiyou just s state line (n-facing road bank of Indian Camp Road from Takilma to Happy Camp) Comment
  HSC29284  Collomia grandiflora Frederick W. Oettinger 1969-7-27 1078 Siskiyou High Lake Basins near English Peak; Marble Mtn. Wilderness Area: NW of Little English Lake 1890 Comment
  HSC46223  Collomia grandiflora Jennifer Whipple 1978-6-5 2334 Siskiyou Weston Gulch in Scott Valley 854 Comment
  HSC19056  Collomia tinctoria J. O. Sawyer 1969-7-16 1148 Siskiyou W of Waterdog Lake 2073 Comment
  UC1059038  Collomia tinctoria W. Bridge Cooke 1956-7-16 30306 Siskiyou along old logging road above Hotlum Station (n side of mountain); Mount Shasta Comment
  UC1409299  Collomia tinctoria Frederick W. Oettinger 1969-8-12 1349 Siskiyou side of English Lake Trail above Willow Spring (high lake basins in vicinity of English Peak); Salmon Mountains, Marble Mountain Wilderness Area Comment
  UC61198  Comandra umbellata subsp. californica W. A. Setchell, C. C. Dobie 1902-7-21 Siskiyou Mount Shasta, Sisson, Eighteenth Crossing Eighteenth Crossing; Mount Shasta, Sisson, Eighteenth Crossing Comment
  NY643139  Convolvulus arvensis H. E. Brown 1897-6-11 409 Siskiyou North side Mt. Shasta 1524.0 Comment
  HSC91956  Corallorhiza maculata Jennifer Whipple 1977-8-6 2225 Siskiyou Dale Creek drainage on N face of Mount Eddy 2195 Comment
  HSC493  Corallorhiza mertensiana William J. Ferlatte 1967-7-9 676 Siskiyou Along South Fork of the Salmon River between the campground and Carter's 1524 Comment
  CHSC105580  Cordylanthus tenuis subsp. tenuis Barbara L. Wilson; Richard E. Brainerd 2010-8-9 16281 Siskiyou Shasta-Trinity National Forest; road A10 between town of Mount Shasta and Panther Meadow on the mountain itself. Lat. and Long. indicated +/- 46 feet. 1344 Comment
  SEINET13682408  Cordylanthus tenuis subsp. tenuis B. L. Wilson, R. E> Brainerd 2010-8-4 16205 Siskiyou FR 41N26, the Eddy Creek Road, 2.8 miles above the junction with Old Stagecoach Road. 1280 Comment
  CHSC52839  Cordylanthus tenuis subsp. viscidus Rimo Bacigalupi; C. L. Custer, G. T. Robbins 1954-8-12 4790 Siskiyou 5.1. miles below (and S.E. of) summit of the road between Takilma, Ore. and Happy Camp, Calif.-Klamath National Forest, Siskiyou Mountains. 914 Comment
  JEPS85954  Cordylanthus tenuis subsp. viscidus Don Burk 1990-11-3 Siskiyou w Dunsmuir (n side of road 40N26, ca. 1.8 mi below South Fork Sacramento River Bridge); Shasta National Forest 1828 Comment
  HSC89859  Cordylanthus tenuis subsp. viscidus Rimo Bacigalupi, G. Thomas Robbins, T. W. Custer 1954-8-12 4791 Siskiyou Along highway following the Klamath River, 1/2 mi. W of Hamburg 457 Comment
  CDA38550  Cornus glabrata F. D. Horn & J. Shaw 1973-6-25 s.n. Siskiyou Klamath River. 0 Comment
  RSA397466  Cornus nuttallii B. C. Templeton 1960-6-21 8540 Siskiyou Scott Mts., ca 1 mile north of Siskiyou-Trinity Co. line. Comment
  CHSC451  Cornus sericea subsp. sericea M. Yoder 1941-7-21 Siskiyou Castle Lake. 1981 Comment
  HSC19268  Cornus sericea subsp. sericea J. O. Sawyer 1968-6-18 196 Siskiyou Above S Russian Creek on W side. 1463 Comment
  HSC19270  Cornus sericea subsp. sericea J. O. Sawyer 1968-7-10 500 Siskiyou Along S Sugar Creek. 1768 Comment
  SEINET10453317  Cornus sericea subsp. sericea Mary Merello 1993-6-22 Merello 691 Siskiyou Shasta National Forest outside of Mt. Shasta City. Along Forest Service Road 26 to Lake Siskiyou. Mixed conifer forest along rocky, gravely slopes of the Sacramento River. 1090 Comment
  UC61182  Cornus sericea subsp. sericea W. A. Setchell, C. C. Dobie 1902-7-18 Siskiyou Sisson, Cold Creek Mt. Shasta; , Sisson, Cold Creek Comment
  RSA184703  Cornus stolonifera Gilbert Muth 1966-6-24 444 Siskiyou Marble Valley along creek, Marble Mountains. 1793 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
  CAS-BOT-BC180195  Corylus cornuta subsp. californica Wm. Bridge Cooke 1940-7-12 15308 Siskiyou along creeks near the Box Canyon of the Sacramento River near Mount Shasta 914 Comment
  CAS-BOT-BC180205  Corylus cornuta subsp. californica A. A. Heller 1915-7-18 12128 Siskiyou Metaclf's ranch, NE base of Mt. Eddy 1371 Comment
  POM106652  Corylus cornuta var. californica Geo. D. Butler 1910-4-1 1150 Siskiyou Humbug Mountain. Comment
  CAS-BOT-BC290477  Crepis acuminata G. L. Stebbins, Jr.; E. B. Babcock 1936-6-12 1968 Siskiyou North slope of Mt. Shasta, on highway from Bray to Weed, about 2 miles south of Sheep Rock 1235 Comment
  RSA14481  Crepis acuminata Elmer I. Applegate 1932-6-13 7241 Siskiyou Captain Jack's Stronghold, Modoc Lava Beds Comment
  CAS-BOT-BC299651  Crepis monticola Geo. D. Butler 1909-5-30 749 Siskiyou Humbug Mountain Comment
  JEPS125929  Crepis monticola D. W. Taylor 1996-6-28 15756 Siskiyou Antelope Mountain, ca 8 air miles S of Yreka Comment
  UC163935  Crepis monticola Geo. D. Butler 1910-5 148 Siskiyou near Yreka Comment
  CAS-BOT-BC376530  Crepis monticola Alice Eastwood; John Thomas Howell 1937-6-26 5032 Siskiyou Near Etna Comment
  CAS-BOT-BC290739  Crepis occidentalis subsp. conjuncta Peter H. Raven 1956-9-4 10398 Siskiyou South side of Mt. Eddy 2560 Comment
  UC796545  Crepis occidentalis subsp. conjuncta Roxana S. Ferris and Laura Lorraine Jun 12 1948-Jun 16 1948 11712 Siskiyou Schoolhouse Hill Plowmans Valley (Noyes Valley), east fork of Scott River Comment
  CAS-BOT-BC290841  Crepis occidentalis subsp. pumila H. M. Hall; E. B. Babcock 1903-6-1 4116 Siskiyou Sierra Nevada Mountains. Mount Shasta. Near Sheep Rock 1524 Comment
  CAS-BOT-BC290883  Crepis pleurocarpa H. E. Brown 1897-6-1 382 Siskiyou Near Sisson 1083 Comment
  CAS-BOT-BC58390  Crepis pleurocarpa R. C. Wenk 2008-7-24 936 Siskiyou Kangaroo Lake, S of the Gazelle-Callahan Rd. Top of ridge S of the lake 1981 Comment
  HSC78311  Crepis pleurocarpa L. P. Janeway 1983-8-26 614 Siskiyou At Poker Flat, dry W side of meadow 1524 Comment
  HSC92417  Crepis pleurocarpa Jennifer Whipple 1976-7-24 1553 Siskiyou Mt. Eddy, SW of Dobkins Lake 2256 Comment
  SDSU3854  Crepis pleurocarpa D. F. Howe 1962-8-4 3392 Siskiyou Near summit of Baldy Mt. Comment
  CAS-BOT-BC290867  Crepis pleurocarpa G. L. Stebbins, Jr.; J. A. Jenkins 1937-7-19 2438 Siskiyou On Park's Creek 1 mi. below Stewarts Springs 1120 Comment
  CDA4484  Crocidium multicaule Vernon H. Oswald & Lowell Ahart 1998-6-11 9215 Siskiyou Butte Valley National Grassland near the junction of Meiss Lake-Sams Neck Road and Highway 97, ca. 5 miles north of Macdoel. Comment
  UC1409420  Cryptantha affinis Frederick W. Oettinger 1969-7-11 991 Siskiyou Mt. Chaparral, near the spring along English Lake-Diamond Lake Trail, vicinity of English Peak, w Siskiyou County Salmon Mountains, Marble Mountain Wilderness Area 1897 Comment
  JEPS87644  Cryptantha ambigua Vernon H. Oswald and Lowell Ahart 1994-8-10 6455 Siskiyou ca 4.5 mi (air) ne McCloud (Pilgrim Creek Rd (FS13), just e of Mud Creek, 2.7 mi n of Hwy 89) 1097 Comment
  HSC3598  Cryptantha celosioides R. C. Wunner 1965-6-15 184 Siskiyou Lava Beds National Monument; SE side of Caldwell Butte, ca. 1/2 way down steep red cinder slope above cinder pit 1463 Comment
  CDA18396  Cryptantha flaccida G. D. Barbe, J. T. Howell, T. C. Fuller 1980-5-2 2770 Siskiyou Klamath Ranges; At the bridge of Hwy 3 over the East Fork Scott River, 2 mi W of Callahan. 987 Comment
  UC79409  Cryptantha flaccida Katharine Brandegee Jul 1887 Siskiyou Ager Comment
  RSA610185  Cryptantha flaccida L. C. Wheeler 1935-5-18 3494 Siskiyou Siskiyou Mountains; Yreka Creek (Mt. Diablo Mer.) 854 Comment
  HSC63983  Cryptantha milobakeri J. P. Smith, Steve Selva 1970-6-14 3862 Siskiyou Comment
  RSA113740  Cryptantha torreyana A. H. Murphy 1956-8-14 56 -D Siskiyou Little Mill Creek Meadows, Klamath National Forest. Hopland Field Station. 2012 Comment
  SEINET14387696  Cryptogramma cascadensis W. Bridge Cook 1941-1 16304 Siskiyou Scattered through lava slopes above Horse Camp, Mt Stasta 2515 Comment
  CAS-BOT-BC85650  Cupressus bakeri Oliver V. Matthews 1939-7-18 38 Siskiyou Northeast Goose Nest Grove-Goose Nest Region 1828 Comment
  RSA176221  Cupressus bakeri C. O. Stone 1964-6-6 286 Siskiyou 100 yards NE of Quarry in Sec. 25 SW/4 SW/4 NE/4 Fall River Mills quad 1110 Comment
  UC650675  Cupressus bakeri Oliver V. Matthews 1939-7-5 21 Siskiyou Sullivan Mine Grove Cook and Green Region, Sullivan Mine Grove 1066 Comment
  RSA28202  Cupressus bakeri W. L. Jepson 1914-8-11 5764 Siskiyou Lava Beds 1037 Comment
  SEINET10899793 Image available Cupressus bakeri Carl B. Wolf, E. R. Johnson 1934-10-9 Wolf 2131 Siskiyou Siskiyou Mts. Above W. Fork of Seiad Creek, 3/4 mi above forks of creek. Arid transition:- Yellow Pines, Douglas Firs. Sun. S slope in red rock. 1160 Comment
  UC60899  Cupressus lawsoniana W. A. Setchell, C. C. Dobie 1902-7-1 Siskiyou near Suies (Sisson); Mount Shasta, Sacramento Canyon Comment
  SD241803  Cuscuta campestris Rob Wilson 2010-9-8 Siskiyou Siskiyou County: Near Tulelake. Growing in potato field. Sent in for identification by Rob Wilson, UC Cooperative Extension Farm Advisor. Comment
  HSC77761  Cuscuta suksdorfii L. P. Janeway 1983-9-11 671 Siskiyou Poker Flat 1524 Comment
  NY336647  Cuscuta suksdorfii var. subpedicellata L. C. Wheeler 1934-8-21 3192 Siskiyou Head of East Fork Horse Creek, Siskiyou Mountains, Mt. Diablo Mer. 1981.2 Comment
  JEPS94901  Cymopterus terebinthinus var. californicus Vernon H. Oswald and Lowell Ahart 1998-6-11 9173 .1 Siskiyou ne of Weed (Shasta National Forest plantation on the w side of Highway 97 2.2 mi ne of Lake Shastina-Big Springs Road); Shasta National Forest, Highway 97 1066 Comment
  CDA37843  Cynoglossum occidentale Ashley Knight 2012-7-16 PDR# 470 P06027572 Siskiyou East of Mt. Shasta City, north of Old McCloud/31 road, Shasta/Trinity National Forest. 0 Comment
  UC1177923  Cynoglossum occidentale Francia Chisaki and G. B. Newcomb 1958-6-21 1147 Siskiyou on rd. to and slopes of Everitt Hill (3.5 mi. e. of junction with Hwy. 89-99) 1447 Comment
  SEINET3153057  Cynoglossum occidentale G. D. Butler 1910-6-4 1497 Siskiyou Phackleford creek Comment
  UCR247492  Cynoglossum officinale Ashley Knight 2012-7-16 s.n. Siskiyou Shasta/Trinity National Forest, slightly west of Slagger Camp Comment
  CDA5638  Cynoglossum officinale T. C. Fuller 1967-8-14 16259 Siskiyou Road to McCloud Reservoir, 3 miles south of McCloud. 0 Comment
  CAS-BOT-BC114774  Cyperus acuminatus Louis C. Wheeler 1934-10-11 3317 Siskiyou Oak Knoll Ranger Station, Klamath River. 670 Comment
  CAS-BOT-BC114694  Cyperus bipartitus Henry M. Pollard 1956-10-7 s.n. Siskiyou Klamath River bar on Spink's Ranch at Roger's Creek, Somes Bar. Comment
  CAS-BOT-BC114149  Cyperus squarrosus LeRoy Abrams 1922-8-6 9898 Siskiyou Klamath River 6 mi. below Hornbrook. Comment
  HSC36425  Cystopteris fragilis J. O. Sawyer 1969-8-4 1876 Siskiyou S of S Sugar Lake 2104 Comment
  CAS-BOT-BC70718  Cystopteris fragilis L. R. Short 1933-9-10 77 Siskiyou Rogue River Forest 1889 Comment
  HSC1032  Cystopteris fragilis R. C. Wunner 1965-6-20 231 Siskiyou Lava Beds N.M., entrance of Thunderbolt Cave 1463 Comment
  RSA237513  Cystopteris fragilis Frederick W. Oettinger 1969-7-11 984 Siskiyou Near summit of Little Medicine Mountain (north of Hancock Lake). Salmon Mtns. High Lake Basin in the vicinity of English Peak. Marble Mountain Wilderness Area. 2104 Comment
  HSC73276  Danthonia californica Gail Newton 1980-6-20 473 Siskiyou Near Bald Mtn. 1097 Comment
  UC1108540  Danthonia californica var. americana Ira L. Wiggins 1955-7-27 13551 Siskiyou Caribou Lake Salmon River-Trinity Alps Primitive Area 2042 Comment
  JEPS121609  Danthonia intermedia Kendra Sikes 2011-9-14 Siskiyou Bogbean Fen, Caldwell Lakes Basin, headwaters of Parks Creek, east slope of China Mountain. Flat wet meadow, over gabbro. China Mountain quadrangle. CLB_F Comment
  HSC19072  Danthonia intermedia subsp. intermedia J. O. Sawyer 1969-8-4 1797 Siskiyou Above Sugar Lake 2134 Comment
  HSC91412  Danthonia unispicata Jennifer Whipple 1976-6-30 1202 Siskiyou SE slope of Mt. Eddy, draining into the N Fork of the Sacramento River 2226 Comment
  JEPS83990  Danthonia unispicata L. R. Heckard with S. D'Alcamo, J. Hickman 1986-7-16 6391 Siskiyou ca 1.5 mi e Red Butte summit (ca 7 mi nne of Seiad Valley, w of Cook and Green Pass) 1900 Comment
  RSA120926  Danthonia unispicata Milo S. Baker, G. D. Barbe, H. K. Wagnon 1957-6-16 13162 Siskiyou Scott Mountains Comment
  POM142718  Darlingtonia californica E. B. Copeland 1903-8-17 3812 Siskiyou Mount Eddy. 1220 Comment
  UC1185279  Darlingtonia californica H. E. Brown June 1-10 1897 389 Siskiyou near Sisson 1083 Comment
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Nov 6 2019
  UC30134  Darlingtonia californica W. C. Blasdale July, 1899 1074 Siskiyou Siskiyou Mts. Comment
  CDA5364  Daucus carota T. C. Fuller 1959-7-8 6042 Siskiyou 0.6 mile west of Ainsworth Corners. 0 Comment
  UC563968  Delphinium andersonii Elmer I. Applegate 1935-6-2 9282 Siskiyou w base Sconchin Butte; Lava Beds National Monument Comment
  CAS-BOT-BC9572  Delphinium antoninum Alice Eastwood; John Thomas Howell 1937-6-26 5036 Siskiyou Salmon Mts., 10 miles SW of Etna Comment
  RSA398632  Delphinium glaucum Albert J. Perkins 1925-08 14737 Siskiyou Along road to Tuolumne Glacier, Yosemite National Park. Comment
  CAS-BOT-BC116172  Delphinium nuttallianum Clare Butterworth Hardham 1961-7-3 8070 Siskiyou Scott Mountains, South of Calahan. Comment
  CAS-BOT-BC118073  Delphinium nuttallianum William Bridge Cooke 1938-7-1 11156 Siskiyou Near Wagon Camp. Locally common at the lower end of the Wagon Camp meadow along the stream and roadside Comment
  CAS-BOT-BC94406  Delphinium nuttallianum R. C. Wenk 2005-7-15 208 Siskiyou Trinity Alps, above South Fork of the Salmon River, along the Yellow Rose Mine trail. Top of pass between Yellow Rose 2133 Comment
  HSC37565  Deschampsia cespitosa A. Montalvo, J. D. Ackerman 1975-7-19 590 Siskiyou 3 mi. E of McCloud, off Hwy. 89 on FS Rd. 39N13. 1067 Comment
  JEPS84194  Deschampsia cespitosa subsp. cespitosa L. R. Heckard with S. D'Alcamo, J. Hickman, and S. Winchester 1986-7-16 6358 a Siskiyou ca. 1/2 mi. s.e. of Red Butte (ca. 7 mi. n.-n.e. of Seiad Valley, s.w of Cook and Green Pass) 1730 Comment
  UCD61373  Deschampsia cespitosa subsp. holciformis Ellen Dean; with Gary Nakamura and K. Mawdsley 2002-7-28 1208 Siskiyou Shasta Trinity National Forest; NW of Castle Crags, in Castle Crags Wilderness. Found west of I-5, near headwaters of the south fork of the Sacramento River. Near shore of Upper Gray Rock Lake. 1912 Comment
  CAS-BOT-BC201940  Deschampsia elongata Alice Eastwood 1921-7-24 10773 Siskiyou Castle Lake Comment
  CHSC61565  Deschampsia elongata L. P. Janeway 1983-9-11 662 Siskiyou Siskiyou Mountains; at Poker Flat, a meadow. Along dirt road in southwest part of meadow. 1524 Comment
  JEPS80519  Descurainia incana Gilbert Muth 1966-7-19 426 Siskiyou Marble Mountain Wilderness Area; meadow above horse pasture 1804 Comment
  CAS-BOT-BC43135  Descurainia pinnata subsp. brachycarpa Lincoln Constance; Reed Clark Rollins 1942-5-14 2932 Siskiyou Shasta River 6 miles north of Yreka. 762 Comment
  HSC48296  Dicentra formosa P. Stekel, K. Stillman May 1977 239 Siskiyou Along Happy Camp-O'Brien Rd. above Louse Creek Comment
  CAS-BOT-BC402473  Dicentra formosa subsp. formosa Lewis S. Rose 1925-7-27 s.n. Siskiyou Shasta Springs Comment
  CDA17140  Dicentra formosa subsp. oregana G. F. Hrusa 2001-6-6 15854 Siskiyou Siskiyou Mountains; Nr. summit of pass betw. Happy Camp, CA and O'Brien, Oregon at turnoff to Bolan Lake, at Oregon border. 1424 Comment
  CHSC9499  Dicentra pauciflora J. F. Goodwin 1971-7-3 144 Siskiyou Southeast side of Castle Lake, 0.5 mi. south on Lookout Trail on east side of trail. 9.2 mi. sw of Mt. Shasta City. 1706 Comment
  HSC91286  Dicentra pauciflora Jennifer Whipple 1976-6-12 987 Siskiyou S face of Mt. Eddy draining into the N Fork of the Sacramento River 2378 Comment
  CAS-BOT-BC402546  Dicentra pauciflora Lillian Mott 1976-7-9 52 LM76 Siskiyou Base of Kangaroo Mt. west of Cook and Green Pass 1828 Comment
  HSC44961  Dicentra uniflora J. O. Sawyer 1978-6-16 3224 Siskiyou Marble Mtn. Wilderness Area, Upper Elk Valley 1951 Comment
  RSA50162  Dichelostemma ida-maia E. K. Balls 1949-7-10 13954 Siskiyou 5 miles from Sawyer s bar on road to Cecilville. 1220 Comment
  CAS-BOT-BC500993  Dichelostemma multiflorum L. B. Kildale 1930-6-1 9712 Siskiyou Salmon River at Crapp Creek Comment
  SEINET10533983  Dichelostemma multiflorum A. Arthur Heller 1919-6-27 Heller 13275 Siskiyou Metcalf's ranch, northeast base of Mt. Eddy, 3800 feet, in open places in the forest. The original growth of yellow pine has been replaced by white fir, Douglas fir and incense cedar. Comment
  HSC9626  Digitaria sanguinalis C. B. Wolf 1927-8-26 1089 Siskiyou Klamath River, 14 mi. above Happy Camp Comment
  CHSC111314  Diplacus Julie Kierstead Nelson; Brenna Montagne 2012-9-10 2012 -098 Siskiyou Coonrod Flat, east side of Mount Shasta. Roadsides and forest openings, on fine dry volcanic soil with Pinus ponderosa. 1210 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
  HSC86555  Dodecatheon alpinum D. K. Imper Jul 1987 Siskiyou Marble Mtn. Wilderness Area, Haypress Meadow, 8 mi. E of Somes Bar 1372 Comment
  HSC43385  Dodecatheon conjugens Maralyn O'Meara 1974-5-26 461 Siskiyou Along USFS Rd. 47N03 1524 Comment
  UC1409476  Dodecatheon jeffreyi Frederick W. Oettinger 1969-7-15 1032 Siskiyou on ridge btw Diamond Lake and English Peak (High Lake Basins in vicinity English Peak, Marble Mountain Wilderness Area, Salmon Mountains, Western Siskiyou County); Marble Mountain Wilderness Area, Salmon Mountains 2072 Comment
  UCD119026  Dodecatheon jeffreyi J. M. Tucker 1974-7-28 4307 Siskiyou Haypress Meadows, Marble Mountain Wilderness Area. 1463 Comment
  HSC29233  Dodecatheon jeffreyi Frederick W. Oettinger 1969-7-17 1051 Siskiyou Marble Mountain Wilderness Area, along inlet stream on SW side of Upper English Lake 1768 Comment
  CDA42337  Downingia bacigalupii Ed Hale 1986-7-15 s.n. Siskiyou Intersection of 97 and road to Tenant. 0 Comment
  CHSC71293  Downingia cuspidata Vernon H. Oswald; Lowell Ahart 1998-6-11 9225 Siskiyou Butte Valley National Grassland near the junction of Meiss Lake-Sams Neck Rd. and Hwy. 97 ca. 5 mi north of Macdoel. 1295 Comment
  JEPS98780  Downingia montana Sue Pappalardo 1993-7-20 488 Siskiyou about 3 mi NE of Bear Mountain Lookout (N of Caribou wells, E of Forest Service highway 24 (40N24Y)); Shasta-Trinity National Forest, McCloud Ranger District 1330 Comment
  SEINET248096  Draba aureola Noel H. Holmgren, Patricia K. Holmgren; Melinda F. 1980-6-30 9447 Siskiyou Scott Mountains, upper Trinity River, Mount Eddy trial from Deadfall Meadows, top of Mount Eddy, 14 km (8.5 mi) air distance west of Mount Shasta City, at Siskiyou Co. line. 2740 Comment
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  HSC202  Draba carnosula William J. Ferlatte 1967-8-20 1055 Siskiyou Caribou Basin, Sawtooth Ridge 2043 Comment
  JEPS84107  Draba howellii L. R. Heckard with J. Hickman et al. 1986-7-17 6462 Siskiyou ca 5 mi n of the town Seiad Valley (s of Lily Pad Lake, trail up Kangaroo Peak); s of Lily Pad Lake, Kangaroo Peak, n of Seiad Valley Comment
  RSA47630  Draba verna Roxana S. Ferris, Laura Lorraine 11894 Siskiyou Gazelle Mountain grade, road between Callahan and Gazelle. 1500 Comment
  SEINET5342789  Draba verna G. Butler 1910-3-24 1143 Siskiyou Shasta River Hills. Comment
  CAS-BOT-BC159682  Drymocallis glandulosa A. A. Heller 1915-8-26 12217 Siskiyou Near the source of Wagon Creek, Mt. Eddy 2621 Comment
  RSA237854  Drymocallis glandulosa Frederick W. Oettinger 1969-8-5 1209 Siskiyou Dry hillside, Willow Spring on English Lake trail. Salmon Mtns. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1677 Comment
  UC726533  Drymocallis glandulosa var. reflexa A. A. Heller 1916-6-20 12399 Siskiyou ne base Mt. Eddy; ne base of Mt. Eddy, Metcalf's Ranch 1188 Comment
  CAS-BOT-BC158416  Drymocallis rhomboidea Doris K. Kildale 1929-7-20 8692 Siskiyou Raspberry Lake, South Fork of Indian Creek Comment
  UCD131239  Echinops sphaerocephalus Ken Baghott 1952-7-9 s.n. Siskiyou Tulelake area. Comment
  CHSC114083  Eleocharis decumbens Danielle Roach 2011-9-13 CLS_ 1 C Siskiyou Sundew Fen, Caldwell Lakes Basin, headwaters of Parks Creek, east slope of China Mountain; UTM Zone 10N, 537220E 4580667N. 2028 Comment
  UC642544  Eleocharis macrostachya H. K. Svenson 1939-6-23 13517 Siskiyou Bear Springs Mount Shasta 1524 Comment
  UCD61650  Elymus elymoides subsp. californicus Robert E. Preston 2001-6-23 1624 Siskiyou Klamath National Forest, n-facing slope of Rainbow Mtn. 1706 Comment
  UCD61688  Elymus elymoides subsp. californicus A. A. Heller 1920-6-24 13387 Siskiyou Metcalf's ranch, NE base of Mt. Eddy. 1280 Comment
  UC1495300  Elymus elymoides subsp. elymoides Robert T. Clausen and Harold Trapido 1940-7-27 4971 Siskiyou w side of creek 5 mi nne summit of Mt. Shasta; So. Cascade Mts., Sacramento River Basin, Mountainhouse Cree 1981 Comment
  HSC30696  Elymus elymoides var. elymoides Frederick W. Oettinger 1968-8-8 455 Siskiyou Marble Mtn. Wilderness Area, Crapo Meadow 2165 Comment
  HSC69216  Elymus elymoides var. elymoides Maralyn A. Renner 1980-7-24 2088 Siskiyou Lily Pad Lake 1768 Comment
  UC197107  Elymus glaucus Geo. D. Butler 1909-6-19 836 Siskiyou along creek near Yreka Comment
  UCD61287  Elymus lanceolatus H. S. Yates 1936-6-21 5821 Siskiyou 1 mile SE of Gazelle. 792 Comment
  UCR142760  Elymus multisetus L. C. Wheeler 1934-10-21 3328 Siskiyou Shasta Valley, 4 miles east of Grenada 869 Comment
  UCD35446  Elymus trachycaulus Beecher Crampton 1956-8-22 3867 Siskiyou South slope of Mt. Shasta. 1645 Comment
  JEPS43612  Epilobium brachycarpum Geo. D. Butler 1908-8-6 135 Siskiyou trail near Summit (se of Marble Mountain) 1828 Comment
  POM251091  Epilobium brachycarpum W. Bridge Cooke 1938-7-22 11321 Siskiyou Mt. Shasta. 1372 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
  POM171580  Epilobium ciliatum subsp. ciliatum Doris K. Kildale 1928-7-25 5862 Siskiyou Klamath River between Gottville and Browns Resort 579 Comment
  SDSU8813  Epilobium ciliatum subsp. ciliatum D. F. Howe 1972-7-5 4873 Siskiyou 0.6 mile south of Oregon state line on road to Happy Camp. 1707 Comment
  RSA22181  Epilobium ciliatum subsp. glandulosum J. T. Howell 1939-8-3 14961 Siskiyou Spirit Lake, Marble Mountains. 1829 Comment
  RSA237402  Epilobium ciliatum subsp. glandulosum Frederick W. Oettinger, Robert F. Thorne 1969-8-5 1201 Siskiyou Willow Spring on English Lake Trail. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1677 Comment
  RSA237577  Epilobium ciliatum subsp. glandulosum Frederick W. Oettinger, Robert F. Thorne 1969-8-8 1305 Siskiyou Sundew Bog near English Lake. Salmon Mtns; High Lake Basins in the vicinity of English Peak; Marble Mountain Wilderness Area. 1829 Comment
  JEPS38189  Epilobium densiflorum Willis L. Jepson Jul 24 1894-Aug 10 1894 14391 Siskiyou Sisson Region of the Upper Sacramento Comment
  UC618827  Epilobium glaberrimum subsp. glaberrimum W. Bridge Cooke 1938-7-15 11192 Siskiyou Bear Springs Mount Shasta Comment
  CAS-BOT-BC165944  Epilobium hallianum Thomas W. Nelson; Jane P. Nelson 1980-7-19 6202 Siskiyou Along Forest Service road 40N17 ca. 1 mile from junction with Callahan-Cecilville road 1584 Comment
  UC107989  Epilobium hallianum C. G. Pringle 1882-9-1 Siskiyou Springs of the Sacramento Comment
  HSC19488  Epilobium hornemannii subsp. hornemannii J. O. Sawyer 1969-8-4 1798 Siskiyou Above Sugar Lake 2134 Comment
  POM251088  Epilobium hornemannii subsp. hornemannii W. Bridge Cooke 1938-8-18 11479 Siskiyou Mt. Shasta. 2439 Comment
  UCD77627  Epilobium obcordatum Robert E. Preston 2001-7-21 1710 Siskiyou Rainbow Mountain and Vicinity. Klamath National Forest, north slope of Rainbow Mountain. 2026 Comment
  SBBG25889  Epilobium oreganum D. Myrick 1966-8-8 1490 Siskiyou rd to Carter Ranch, Mountain Meadow Ranch, Big Flat 1584 Comment
  HSC29166  Epilobium oregonense Frederick W. Oettinger, R. F. Thorne 1969-8-6 1242 Siskiyou Marble Mtn. Wilderness Area, Pine Lake 1883 Comment
  RSA237394  Epilobium oregonense Frederick W. Oettinger 1969-8-19 1460 Siskiyou Moist area between King David Peak and Abbott s Basin. Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1860 Comment
  HSC65267  Epilobium siskiyouense Rich White 1977-7-21 138 Siskiyou N slope of Preston Peak 1799 Comment
  JEPS39223  Epilobium siskiyouense Geo. D. Butler 1908-8-5 46 Siskiyou summit above Cold Spring; Woolly Creek Comment
  HSC46111  Epipactis gigantea J. P. Smith, Steve Selva 1970-6-15 3986 Siskiyou 1 mi. W of junction of Hwy. 3 and Rd. 8 leading to Sugar Creek 1159 Comment
  UC399181  Equisetum hyemale subsp. affine Geo. D. Butler 1908-8-2 251 Siskiyou Shackleford Creek Comment
  HSC36221  Equisetum laevigatum John Rehling 1974-8-24 40 Siskiyou Along Hwy. 3, 1.5 mi. N of Fort Jones Comment
  SD10034  Equisetum telmateia subsp. braunii Eleanor C. Layman 1933-9-3 Siskiyou Shasta Springs Comment
  HSC59934  Eremogone congesta D. L. Goforth 1979-7-19 251 Siskiyou Trinity Alps Wild Area, Caribou Lakes Basin 2134 Comment
  CAS-BOT-BC174224  Eremogone congesta var. congesta John Thomas Howell 1939-8-2 14916 Siskiyou Spirit Lake, Marble Mts. 1828 Comment
  CAS-BOT-BC174233  Eremogone congesta var. congesta Carl B. Wolf 1934-7-5 5965 Siskiyou Siskiyou Mts., 3 6/10 mi. from Dry Lake Lookout on road to Horse Creek 1981 Comment
  CAS-BOT-BC174229  Eremogone congesta var. congesta L. R. Short 1933-8-6 10 Siskiyou Klamath National Forest. Marble Valley 1792 Comment
  SEINET193114  Ericameria bloomeri A. A. Heller 1939-7-31 15428 Siskiyou Junction of the Horse Camp and Panther Meadow roads Mount Shasta Comment
  UC1178568  Ericameria bloomeri Peter Kamb 1949-8-25 1484 Siskiyou sw slope of mtn above Horse Camp; Mt. Shasta 2468 Comment
  CAS-BOT-BC286697  Ericameria bloomeri Walter Knight; Irja Knight 1979-9-9 3433 Siskiyou On Evertt Memorial Highway. Mt. Shasta Comment
  SFV8418  Ericameria bloomeri J. M. Tucker 1968-9-14 4143 Siskiyou State Highway 89, 7 miles east of McCloud. Comment
  HSC26990  Ericameria greenei J. P. Smith, J. O. Sawyer 1971-9-16 4767 Siskiyou Ridge S of Bingham Lake. 2134 Comment
  JEPS117569  Ericameria nauseosa var. oreophila 2010-7-30 16970 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
  UC165409  Ericameria nauseosa var. speciosa Geo. D. Butler 1910-8-7 1824 Siskiyou Yreka Comment
  UC205549  Ericameria parryi var. latior Alice Eastwood 1912-8-30 2079 Siskiyou Mt. Eddy Comment
  POM357568  Erigeron aliceae M. B. Dunkle 1944-08 9298 Siskiyou Marble Mts. 2439 Comment
  CAS-BOT-BC294494  Erigeron bloomeri var. bloomeri John Thomas Howell 1939-8-8 15175 Siskiyou Black Mt., Marble Mts. Comment
  CAS-BOT-BC294499  Erigeron bloomeri var. bloomeri John Thomas Howell 1937-7-29 13644 Siskiyou Scott Mt. between Trinity and Siskiyou cos. Comment
  CAS-BOT-BC294504  Erigeron bloomeri var. bloomeri A. A. Heller 1921-7-7 13567 Siskiyou On Mt. Eddy on the long gravelly slope west of Wagon Creek 2133 Comment
  HSC41054  Erigeron cervinus J. O. Sawyer 1969-7-9 1108 Siskiyou Dry slope above Little Duck Lake. Grandiorite 2012 Comment
  JEPS57183  Erigeron compositus L. R. Heckard 1967-8-13 1692 Siskiyou near Mt. Eddy summit (on scree of s-facing slope); Mt. Eddy 2712 Comment
  JEPS29998  Erigeron filifolius Rimo Bacigalupi, and L. Heckard, J. Weiler 1961-7-2 7984 Siskiyou along US Hwy 97 about 7 1/2 mi ne Weed 1127 Comment
  CAS-BOT-BC300474  Erigeron filifolius A. A. Heller 1938-7-12 15255 Siskiyou Near the western base of Deer Mountain 16 miles northeast of Weed on Highway #97 Comment
  CAS-BOT-BC295389  Erigeron inornatus Geo. D. Butler 1910-6-17 1570 Siskiyou Humbug Mountain 1066 Comment
  CAS-BOT-BC295384  Erigeron inornatus A. A. Heller 1918-7-16 s.n. Siskiyou Mt. Eddy, west of Sisson 1524 Comment
  RSA238782  Erigeron inornatus var. inornatus Frederick W. Oettinger 1969-8-12 1348 Siskiyou Along the trail above 'Willow Springs' (between Abbotts Upper Cabin and English Lake); High lake basins in the vicinity of English Peak, Marble Mountain Wilderness Area. Salmon Mountains 1677 Comment
  HSC43037  Erigeron klamathensis J. O. Sawyer, Ken Stillman 1976-7-2 2810 Siskiyou Slopes and ridges E of Little N Fork Trail. 732 Comment
  UC1539990  Erigeron linearis Roseberry 1936-5-21 42 Siskiyou 1 mi ne Whitney Butte; Lava Beds National Monument Comment
  JEPS89687  Erigeron nivalis Dean Wm. Taylor, Rexford E. Palmer, Glenn L. Clifton 1987-8-9 9267 Siskiyou Medicine Lake Area, on s wall of Alcohol Crater, extreme northeastern portion of county Alcohol Crater; Medicine Lake Area, Alcohol Crater 2072 Comment
  RSA31950  Erigeron petrophilus var. viscidulus A. A. Heller 1918-7-16 13032 Siskiyou Mt Eddy Comment
  RSA715773  Erigeron philadelphicus L. Ahart, John Dittes 2005-6-10 12082 Siskiyou South edge of a water ditch, pipe discharge, irrigated pasture, about 90 yards east 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
  RSA50220  Erigeron philadelphicus E. K. Balls 1949-7-9 13927 Siskiyou 3.1 miles from Etna on road to Sawyer's Bar 915 Comment
  JEPS41368  Erigeron philadelphicus var. philadelphicus Geo. D. Butler 1908-7-20 326 Siskiyou Humbug Creek Comment
  UC135491  Erigeron pumilus var. intermedius A. A. Heller 1905-6-19 8063 Siskiyou Grenada Comment
  CDA34233  Eriodictyon californicum Jim Rea 2010-7-6 PDR# 1414046 Siskiyou Yreka, Quail Run near Schulmeyer Road. 0 Comment
  HSC36666  Eriodictyon californicum Brent Whitely 1975-6-24 48 Siskiyou 235 Comment
  POM65393  Eriodictyon californicum Geo. D. Butler 1910-5-25 1405 Siskiyou Near Yreka. Comment
  UCSB24926  Eriodictyon lobbii Keefe, Joseph 1967-7-11 Siskiyou Roadside, 0.5 mile north of Castle Lake, 10 miles southwest of town of Mt. Shasta 1676 Comment
  HSC61800  Eriogonum compositum Ruby Van Deventer 1959-7-9 Siskiyou Poker Flat 1585 Comment
  UC922358  Eriogonum compositum var. compositum Annie M. Alexander and Louise Kellogg 1949-7-29 5901 Siskiyou Campbell L. trail to Hidden L. (above Sky High Valley); Marble Mountains, Sky High Valley 1767 Comment
  RSA183675  Eriogonum compositum var. compositum Gilbert Muth 1965-8-10 201 Siskiyou Marble Mountains: upper 3rd to top of ridge, Marble Valley Comment
  RSA237751  Eriogonum compositum var. compositum Frederick W. Oettinger 1968-9-6 748 Siskiyou Ridge trail east of Tom's Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2104 Comment
  UC1409242  Eriogonum diclinum Frederick W. Oettinger 1968-8-18 571 Siskiyou due n Tobacco Lake (Medicine Mt.); Salmon Moutains, Marble Mountain Wilderness Area, The High L 1920 Comment
  RSA0004987  Eriogonum diclinum Louis C. Wheeler 1934-9-1 3235 Siskiyou Siskiyou Mountains, Jaynes Canyon. 1951 Comment
  CHSC1323  Eriogonum elatum var. elatum V. Holt 1943-8-10 Siskiyou Marble mountains. 1828 Comment
  JEPS25874  Eriogonum hirtellum Rimo Bacigalupi with L. Constance and L. Heckard 1960-7-20 7458 Siskiyou ridge-top between Indian Creek drainage (N. Fk. Twin Valley Creek) and Illinois River drainage (Dunn Creek) (boundary line of Del Norte and Siskiyou Counties); Preston Pk. quadr. 15 1956; between Indian Creek drainage & Illinois River drainage, boundary line of Del Norte & Siskiyou Cos. 1615 Comment
  CHSC1337  Eriogonum lobbii V. Holt 1942-8-6 Siskiyou Caribou Ridge. 2438 Comment
  CAS-BOT-BC263664  Eriogonum luteolum var. luteolum Ella Dales Cantelow 1938-10-23 2380 Siskiyou 16 mi. N W of Yreka, Hy. #96 Klamath River Comment
  UC6357  Eriogonum marifolium Wm. H. Brewer 1862-9-13 1396 Siskiyou Mt. Shasta 2133 Comment
  UC725787  Eriogonum marifolium A. A. Heller 1939-7-31 15429 Siskiyou junction of the Horse Camp and Panther Meadow roads Mt. Shasta Comment
  HSC48943  Eriogonum marifolium var. marifolium D. L. Goforth 1979-7-19 249 Siskiyou Klamath National Forest, Trinity Alps Wilderness; Caribou Lakes Basin, 0.3 mi. NW of Caribou Lake. 2134 Comment
  CAS-BOT-BC272495  Eriogonum nudum var. pubiflorum Wm. Bridge Cooke 1938-6-17 11037 Siskiyou Mount Shasta. Sisson Southern Trail Comment
  UC618610  Eriogonum nudum var. pubiflorum Susan Stokes 1938-6-17 11037 Siskiyou Sisson Southern Trail Mt. Shasta, Sisson Southern Trail Comment
  RSA245303  Eriogonum nudum var. pubiflorum Thomas W. Nelson 1973-7-12 1072 Siskiyou Callahan Comment
  POM165290  Eriogonum ovalifolium var. ovalifolium Copeland 1903-9-7 3873 Siskiyou Mt. Eddy [which is on Siskiyou-Trinity county line.] Comment
  POM211515  Eriogonum roseum Louis C. Wheeler 1934-9-19 3282 Siskiyou Hot dry south slope. Oak Knoll Ranger Station. Klamath River. 671 Comment
  HSC17430  Eriogonum siskiyouense Dorothy Parker 1968-8-10 Siskiyou Kangaroo Divide above Kangaroo Lake 1921 Comment
  JEPS56405  Eriogonum siskiyouense Dorothy Parker 1968-8-10 Siskiyou above Kangaroo Lake; Kangaroo Divide 1920 Comment
  UC466015  Eriogonum siskiyouense Annie M. Alexander and Louise Kellogg 1911-8-14 317 Siskiyou Mt. Eddy 2789 Comment
  SEINET10623859 Image available Eriogonum siskiyouense Edward L. Greene 1876-8-22 Greene 1002 Siskiyou Scott Mountain. 2743 Comment
  CAS-BOT-BC262761  Eriogonum strictum var. anserinum Geo. D. Butler 1908-8-6 211 Siskiyou Whiskey Camp, Independence Creek Comment
  CAS-BOT-BC263447  Eriogonum ternatum James L. Reveal; Darin S. Reveal 1978-8-9 4812 Siskiyou Along the dirt road to Baldy Mountain Lookout (USFS # 17N11), 0.6 mile south of the junction of 17N23, on a ridge dividing Doolittle Creek and Little South Fork, about 3.5 miles north-northeast of the lookout 1341 Comment
  RSA0081457  Eriogonum ternatum L. R. Heckard, S. D'Alcamo, J. Hickman, S. Winchester 1986-7-16 6346 Siskiyou Ca. 7 miles NNE of Seiad Valley, SW of Cook and Green Pass, ca. 0.5 mile SE of red Butte. 1730 Comment
  CAS-BOT-BC267950  Eriogonum umbellatum Elmer I. Applegate 1935-6-11 9503 Siskiyou Upper Ice Cave area, Lava Beds National Monument Comment
  CAS-BOT-BC267985  Eriogonum umbellatum var. argus Copeland 1903-9-7 3876 Siskiyou Mt. Eddy Comment
  HSC26988  Eriogonum umbellatum var. argus J. P. Smith, J. O. Sawyer 1971-9-16 4766 Siskiyou Ridge S of Bingham Lake. 2134 Comment
  NY323619  Eriogonum umbellatum var. argus J. L. Reveal 1975-8-15 3955 Siskiyou Siskiyou Mountains, Klamath National Forest, along the Dry lake Lookout Road (Forest Service Road 40S01), 0.5 mile west of Dry Lake Lookout near the Buckthorn Trail 2042.2 Comment
  SD62064  Eriogonum umbellatum var. argus Darley F. Howe 1965-8-8 4123 Siskiyou South side of Little Gray Back, Klamath National Forest 1463 Comment
  CAS-BOT-BC105077  Eriogonum umbellatum var. dumosum R. C. Wenk 2008-7-24 925 Siskiyou Kangaroo Lake, S of the Gazelle-Callahan Rd. Serpentine outcrop barrens above S side of lake, about halfway to top of 1889 Comment
  UC163829  Eriogonum umbellatum var. dumosum Geo. D. Butler 1909-6-27 968 Siskiyou Shasta River bluffs Shasta River Comment
  UC727195  Eriogonum umbellatum var. humistratum A. A. Heller 1918-7-16 13027 Siskiyou Mt. Eddy 2682 Comment
  SJSU6269  Eriogonum umbellatum var. nevadense R. W. Trivelpiece 1971-8-18 70 Siskiyou by Fourth of July Gulch, 2.5 mi N of Cecilville on S Fork Salmon R, Salmon River Mts 1371 Comment
  POM208306  Eriogonum umbellatum var. polyanthum Louis C. Wheeler 1934-6-22 2759 Siskiyou Dry sunny hillside. Cotton Creek, Siskiyou Mts. 915 Comment
  RSA766152  Eriogonum umbellatum var. polyanthum J. T. Howell 1939-8-2 14887 Siskiyou Spirit Lake, Marble Mts. Comment
  CAS-BOT-BC265203  Eriogonum umbellatum var. speciosum Dorothy Parker 1948-8-2 161 Siskiyou Along Etna Creek, 1-1 1/2 mi. from Etna, Scott Valley 896 Comment
  SEINET3836800 Image available Eriogonum umbellatum var. stellatum G. D. Butler 1908-8-9 214 Siskiyou Summit-above Marble Valley Comment
  JEPS24804  Eriogonum vimineum Rimo Bacigalupi with Drs. Reino and Aloha Alava 1958-9-2 6813 Siskiyou about 3 mi nw Weed (head of Shasta Valley); Shasta Valley 975 Comment
  RSA597969  Eriophorum crinigerum L. C. Wheeler 1963-8-30 8308 Siskiyou Siskiyou Mountains. Clear Creek falls at Preston Creek. 792 Comment
  UC1265449  Eriophorum crinigerum Frederick W. Oettinger 1968-9-7 767 Siskiyou just n. Tobacco Lake; Salmon Mts., High Lake Basins, English Peak vicinity, Marble 1889 Comment
  UCD19437  Eriophorum crinigerum Charlotte K. Glenn 1967-1 165 Siskiyou Castle Lake. 1584 Comment
  CAS-BOT-BC300354  Eriophyllum Arthur Menzies 1962-7-21 s.n. Siskiyou Morgan Meadows, base of Mt. Eddy 1706 Comment
  CAS-BOT-BC301132  Eriophyllum lanatum var. achilleoides Geo. D. Butler 1910-6-7 1532 Siskiyou McAdams Creek Comment
  CAS-BOT-BC301141  Eriophyllum lanatum var. achilleoides A. A. Heller 1916-7-22 12488 Siskiyou East side of Mt. Eddy Comment
  POM203469  Eriophyllum lanatum var. achilleoides L. S. Rose 1934-4-20 34229 Siskiyou Shasta River. NE of Yreka. Comment
  SFV5161  Eriophyllum lanatum var. achilleoides B. C. Templeton 1960-6-21 8528 Siskiyou Between the agricultural Experiment Station and the California state line._x000B_Grassy hillside. Comment
  UC507155  Eriophyllum lanatum var. achilleoides Lincoln Constance 1933-7-6 E 122 Siskiyou 6.5 mi n of Dorris Comment
  CAS-BOT-BC301449  Eriophyllum lanatum var. grandiflorum A. A. Heller 1916-6-23 12438 Siskiyou Near Black Butte north of Sisson 1127 Comment
  CAS-BOT-BC308281  Eriophyllum lanatum var. integrifolium L. Constance 1940-7-26 15368 Siskiyou Diller Canyon, Mount Shasta 2133 Comment
  JEPS86095  Eriophyllum lanatum var. integrifolium Wayne Roderick 1966-6-26 Siskiyou along Copper Butte Trail (Cook and Green Pass); Cook and Green Pass Comment
  CAS-BOT-BC301723  Eriophyllum lanatum var. lanceolatum Marion Ownbey; Fred G. Meyer 1940-7-4 2174 Siskiyou Siskiyou Mountains, north-west of Hornbrook Comment
  RSA183490  Eriophyllum lanatum var. lanceolatum J. M. Tucker, L. K. Mann 1963-8-18 3763 Siskiyou Saddle between Marble Mountain and SW ridge of Black Mountain (Black Marble Mountain), Marble Mountain Wilderness Area 2104 Comment
  RSA184629  Eriophyllum lanatum var. lanceolatum Clare B. Hardham 1965-8-20 13039 Siskiyou Marble Mountains, near Cudahy lakes. Granite Trail. 1524 Comment
  UC1299256  Eriophyllum lanatum var. lanceolatum Freed W. Hoffman 1950-7-13 3549 Siskiyou Baldy Lookout; w Siskiyou County Comment
  UC1313026  Eriophyllum lanatum var. lanceolatum J. M. Tucker and L. K. Mann and S. L. Holloway 1963-8-18 3751 Siskiyou Black Marble Mountain Marble Mountain Wilderness Area (sw ridge) 2133 Comment
  UC1483418  Eriophyllum lanatum var. lanceolatum Maralyn A. Renner 1980-7-23 1840 Siskiyou Pacific Crest Trail near ridge about 1 mi e Cook and Green Pass; Klamath National Forest, Seiad Valley Quad. 1752 Comment
  UC609351  Eriophyllum lanatum var. lanceolatum Eleanor Burks Hart 1938-8-18 948 Siskiyou Boulder Peak 2529 Comment
  UC375422  Erodium cicutarium Geo. D. Butler 1908-6-24 1032 Siskiyou Yreka Comment
  UC1565572  Eryngium mathiasiae Beth Corbin 1989-8-28 546 Siskiyou ca. 14 air mi. n. Fall River Mills (ca. 1/4 mi. s. of Adobe Flat Reservoir) 1097 Comment
  CAS-BOT-BC54578  Erysimum capitatum Doris K. Kildale 1929-7-20 8558 Siskiyou South Fork Indian Creek near Gilmore's. 457 Comment
  CAS-BOT-BC54582  Erysimum capitatum C. L. Hitchcock; J. S. Martin 1939-7-6 5216 Siskiyou Summit Siskiyou Mountains, north of Takilma-Happy Camp Road. 1676 Comment
  HSC81578  Erysimum capitatum Thomas W. Nelson, Jane P. Nelson 1980-7-17 6091 Siskiyou Along FS Rd. 17, 0.5 mi. N of summit at county line 2073 Comment
  RSA530365  Erysimum capitatum var. capitatum Christopher Davidson 1975-6-5 2675 Siskiyou 2.8 mi from gate on special service rd branching SE from rd from Gazelle to Callahan 9.3 mi W of Gazelle. Klamath Nat. Forest. 1631 Comment
  CAS-BOT-BC55107  Erysimum perenne John Thomas Howell 1937-7-24 13382 Siskiyou Caribou Basin, Salmon-Trinity Alps. 2286 Comment
  HSC192  Erysimum perenne William J. Ferlatte 1967-8-21 1070 Siskiyou Sawtooth Ridge between Caribou Basin and Little S Fork Lake 2287 Comment
  HSC195  Erysimum perenne William J. Ferlatte 1966-7-7 214 Siskiyou N side of Caribou Mtn. 1982 Comment
  UC722224  Erysimum perenne C. L. Hitchcock and J. S. Martin 1939-7-9 5313 Siskiyou w side of ridge between King's Castle and Black Mt. 1828 Comment
  SEINET8218996  Erythranthe breweri Unknown 1970-7-21 42678 Siskiyou Horse Camp, Mt. Shasta. 2438 Comment
  SJSU6271  Erythranthe cardinalis R. W. Trivelpiece 1971-8-27 87 Siskiyou near Lake Mt Lookout c. 6.5 mi SE of town of Seiad Valley, Marble Mts 1828 Comment
  CHSC118627  Erythranthe guttata Julie Kierstead Nelson; Martin Lenz, Rhonda Posey, Brenna Montagne 2016-6-9 2016 -029 Siskiyou Lower Parks Creek watershed, E Klamath Range; slope above Forest Service Road 42N19, 4 miles northwest of Stewart Springs; UTM NAD 83 Zone 10, 539166m E, 4587170m N. 1529 Comment
  SEINET8390058  Erythranthe linearifolia Christine C. Lorain 1994-8-14 2267 Siskiyou on trail along Deadfall Creek near Lower Deadfall Lake at eastern base of Mt. Eddy; Shasta National Forest. 2134 Comment
  CAS-BOT-BC133271  Erythronium citrinum Elmer I. Applegate 1932-4-16 7061 Siskiyou Klamath River opposite the mouth of Doggett Creek Comment
  SEINET12054366  Erythronium grandiflorum H. P. Chandler 1901-1 1619 Siskiyou near Marble Mt 2134 Comment
  JEPS50874  Erythronium klamathense Wayne Roderick 1963-6-10 Siskiyou along trail from Castle Lake to Little Castle Lake 1828 Comment
  CAS-BOT-BC403681  Eschscholzia californica Alice Eastwood No date on label 1955 Siskiyou Cantara Comment
  CAS-BOT-BC403688  Eschscholzia californica W. B. Cooke; V. G. Cooke 1963-7-9 34217 Siskiyou Along Memorial Highway, at side of road, Mt. Shasta Comment
  JEPS22070  Eucephalus glabratus Rimo Bacigalupi 1958-9-3 6892 Siskiyou upper edges of Poker Flat, very close to the ne portion of Del Norte Co. Siskiyou Mountains, Poker Flat 1536 Comment
  JEPS74517  Eucephalus glabratus W. J. Ferlatte 1966-8-3 294 Siskiyou Josephine Lake Basin , Trinity Alps 1920 Comment
  UCD21471  Eucephalus ledophyllus Ellen Dean; with Gary Nakamura and K. Mawdsley 2002-7-28 1211 Siskiyou Shasta Trinity National Forest; NW of Castle Crags, in Castle Crags Wilderness. Found west of I-5, near headwaters of the south fork of the Sacramento River. Near shore of Upper Gray Rock Lake. 1912 Comment
  HSC25665  Eucephalus ledophyllus var. ledophyllus J. O. Sawyer 1969-9-12 2010 Siskiyou Hanging valley N of Wildcat Peak 2012 Comment
  CAS-BOT-BC310478  Eucephalus tomentellus A. A. Heller 1915-8-26 12242 Siskiyou Slope north side of Mt. Eddy 1767 Comment
  HSC44602  Euonymus occidentalis Laura Witherspoon 1977-7-12 Siskiyou On the periphery of Flint Valley 1341 Comment
  JEPS51919  Euphorbia crenulata W. L. Jepson 1940-6-27 20056 Siskiyou McCloud 975 Comment
  UC1736078  Euphorbia esula Dean W. Taylor 1999-8-12 17298 Siskiyou Mill Creek, Quartz Valley about 1 mile SSW Mugginsville, along Mill Creek logging road 0.5 miles up from bridge crossing 972 Comment
  CAS-BOT-BC310631  Eurybia radulina John Thomas Howell 1939-8-9 15246 Siskiyou Shackleford Creek Trail, Marble Mts. Comment
  CAS-BOT-BC310638  Eurybia radulina Geo. D. Butler 1910-7-20 1729 Siskiyou Goosenest foothills 1524 Comment
  CAS-BOT-BC278736  Festuca idahoensis Elmer I. Applegate 1935-6-10 9464 Siskiyou Indian Well, Lava Beds National Monument Comment
  HSC100334  Festuca idahoensis J. P. Smith 2011-7-15 13302 Siskiyou 1427 Comment
  UC593516  Festuca idahoensis E. B. Babcock, G. L. Stebbins Jr. 1936-6-11 1962 Siskiyou about 2 mi s Sheep Rock (on highway from Bray to Weed, n slope of Mt. Shasta); Mt. Shasta 1249 Comment
  UC796503  Festuca idahoensis Roxana S. Ferris and Laura Lorraine Jun 12 1948-Jun 16 1948 11797 Siskiyou s of Callahan (Scott Mountain Road) Comment
  CAS-BOT-BC278875  Festuca occidentalis Alice Eastwood 1912-7-17 1098 Siskiyou McCloud Comment
  UCD66145  Festuca occidentalis R. Tofsrud 1949-8-3 Siskiyou Soap Creek Ridge, between Yreka and Fort Jones. Comment
  RSA211416  Festuca subulata William J. Ferlatte 1966-6-22 108 Siskiyou Wooded area 3 miles S of Big Flat. 1585 Comment
  HSC30582  Festuca viridula Frederick W. Oettinger, R. F. Thorne 1969-8-6 1222 Siskiyou Marble Mtn. Wilderness Area, rocky N slope on S side of Pine Lake 1951 Comment
  UC555501  Fragaria vesca D. Tebbe 1929-7-1 10 Siskiyou Mt. Eddy at Donkey Camp; Mt. Eddy Comment
  SEINET6699530  Fragaria virginiana var. platypetala G. D. Butler 1910-5-10 1315 Siskiyou Goosenest Foothills 1524 Comment
  CAS-BOT-BC53418  Frangula californica subsp. occidentalis Doris K. Kildale 1929-7-20 8655 Siskiyou trail up South Fork, Indian Creek to Elk Lick Comment
  CAS-BOT-BC59977  Frangula purshiana Alice Eastwood 1912-7-23 1333 Siskiyou Cantaria. Comment
  CAS-BOT-BC59984  Frangula purshiana John Thomas Howell 1939-8-9 15238 Siskiyou Shackleford Creek Trail. Marble Mts. Comment
  CAS-BOT-BC59989  Frangula purshiana Elmer I. Applegate 1895-5-30 64 a Siskiyou Sacramento Canyon, upper crossing SPRR, below Sisson. Comment
  SEINET10741456 Image available Frasera albicaulis subsp. nitida Edward L. Greene 1876-6-14 Greene 856 Siskiyou Collected near Yreka. Comment
  RSA60644  Frasera albicaulis var. nitida Dorothy Parker 1948-7-11 103 Siskiyou Shovel Creek, near Beswick. 1012 Comment
  CAS-BOT-BC502834  Fritillaria atropurpurea W. R. Dudley 1893-6-21 s.n. Siskiyou Near spring on Mount Shasta Comment
  CAS-BOT-BC502839  Fritillaria atropurpurea Lillian Mott 1976-7-4 3 OLM76 Siskiyou Lily Pad Lake west of Cook and Green Pass 2011 Comment
  HSC45206  Fritillaria glauca J. O. Sawyer, Ed Cope 1977-6-20 2972 Siskiyou Along W slopes of Bear Mtn. 1829 Comment
  RSA367760  Fritillaria pudica Christopher Davidson 1975-6-5 2689 Siskiyou 0.1 ENE on unnamed dirt rd. departing to E off Hwy 3 at Scott Mtn summit. 1677 Comment
  HSC2318  Fritillaria recurva Geo. D. Butler 1910-4-17 1191 Siskiyou Near Yreka Comment
  CAS-BOT-BC504465  Fritillaria recurva L. E. Smith 1913-4-26 124 Siskiyou Dunsmuir Comment
  POM109777  Fritillaria recurva Geo D. Butler 1909-4-14 596 Siskiyou Humbug Creek Comment
  SEINET3886824  Fritillaria recurva James P. Smith 1974-5-26 7542 Siskiyou Copco Quad. Along Forest Service Road 47N04.; 0 1524 Comment
  RSA612594  Galium aparine Louis C. Wheeler 1935-6-13 3580 Siskiyou Shackleford Creek. Marble Mtns. 976 Comment
  UCD77234  Galium bifolium Robert E. Preston 2001-6-30 1644 Siskiyou Klamath National Forest, north slope of Rainbow Mountain. 1722 Comment
  JEPS6708  Galium bolanderi Geo. D. Butler 1908-8-21 413 Siskiyou Etna Creek 1158 Comment
  JEPS93919  Galium bolanderi Vernon H. Oswald and Lowell Ahart 1998-8-3 9412 Siskiyou Kangaroo Lake Road (USFS 41N08) 3.5 mi se of Gazelle-Callahan Road; Kangaroo Lake Road 1493 Comment
  UC618721  Galium bolanderi W. Bridge Cooke 1938-9-2 11595 Siskiyou Sisson Southern Trail Mount Shasta Comment
  HSC35803  Galium bolanderi J. O. Sawyer 1969-6-11 814 Siskiyou Near C.C.C. road above Paynes Lake Creek 1357 Comment
  HSC43142  Galium bolanderi Ken Stillman 1976-8-24 419 Siskiyou E and N slopes of Williams Point 366 Comment
  UC163754  Galium bolanderi Geo. D. Butler 1908-8-21 413 Siskiyou Salmon road w from Etna Comment
  HSC69045  Galium glabrescens Maralyn A. Renner 1980-8-7 2345 Siskiyou Ridge just E of saddle, S of Rattlesnake Meadow 1799 Comment
  HSC90594  Galium glabrescens subsp. glabrescens Jennifer Whipple 1977-7-22 2036 Siskiyou Mt. Eddy, Dobkins Lake drainage on E facing slopes above Dobkins Lake 2256 Comment
  HSC75344  Galium grayanum var. grayanum J. O. Sawyer, M. Mesler 1980-8-11 4040 Siskiyou Marble Mtn. Wilderness Area. 2073 Comment
  HSC68360  Galium triflorum J. P. Smith, Steve Selva 1970-6-14 3879 Siskiyou Road to Steinacher Creek near Somes Bar. Comment
  POM60669  Galium triflorum Copeland 1903-9-14 3933 Siskiyou Sisson. Comment
  HSC19179  Garrya buxifolia J. O. Sawyer 1968-9-11 698 Siskiyou Slopes above Twin Valley 1463 Comment
  CAS-BOT-BC200582  Garrya buxifolia Doris K. Kildale 1929-8-24 8836 Siskiyou Preston Peak 2133 Comment
  CAS-BOT-BC182156  Garrya fremontii Doris K. Kildale 1928-7-2 5352 Siskiyou Salmon Summit nr [?] Creek trail 1981 Comment
  CAS-BOT-BC182226  Garrya fremontii Doris K. Kildale 1928-8-19 6528 Siskiyou trail from English Lake to Hancock Lake - trail to Marble [?] Mt. Comment
  UCD35434  Garrya fremontii Beecher Crampton 1956-8-21 3835 Siskiyou Canyon of the south fork of the Sacramento River. 1524 Comment
  CAS-BOT-BC56237  Gaultheria humifusa Lester Rowntree 1937-7-26 s.n. Siskiyou Caribou Lake, Salmon Alps 2133 Comment
  HSC67133  Gaultheria ovatifolia J. P. Smith, Steve Selva 1970-7-15 4350 Siskiyou Klamath National Forest, road to Happy Camp. 732 Comment
  UCD117442  Gaultheria ovatifolia J. M. Tucker; D. V. Hemphill 1974-7-27 4301 Siskiyou South side of Monument Lake, Marble Mountain Wilderness Area. 1798 Comment
  UC718018  Gayophytum diffusum subsp. parviflorum Carl B. Wolf 1934-7-4 5940 Siskiyou Horse Creek-Dry Lake Lookout Siskiyou Mts., Klamath River (13 1/2 mi from Horse Creek Bridge) 1524 Comment
  RSA34394  Gayophytum diffusum subsp. parviflorum W. Bridge Cooke 1947-8-9 17790 Siskiyou Around Horse Camp, Mount Shasta. 2439 Comment
  RSA34680  Gayophytum diffusum subsp. parviflorum W. Bridge Cooke, V. G. Cooke 1946-9-2 17645 Siskiyou At Horse Camp, Mount Shasta 2439 Comment
  JEPS93875  Gayophytum heterozygum Vernon H. Oswald and Lowell Ahart 1998-7-21 9316 Siskiyou 2.2 mi ne of Lake Shastina-Big Springs Road ne of Weed (Shasta National Forest plantation on the w side of Highway 97); Shasta National Forest, Highway 97 975 Comment
  RSA13839  Gayophytum heterozygum Louis C. Wheeler 1934-7-5 2890 Siskiyou Hungry Creek. Siskiyou Mtns. Mt. Diablo Meridian. 1372 Comment
  UC1191760  Gayophytum racemosum Herbert L. Mason 1948-7-17 13603 Siskiyou Eastern Grass Lake Comment
  POM254105  Gentiana plurisetosa Harris 1939-8-29 s.n. Siskiyou Half Moon Meadow, Marble Mountain Primitive Area 1670 Comment
  SEINET881860 Image available Gentiana plurisetosa S. K. Harris, C. C. Harris 1939-1 976 Siskiyou Half Moon Meadow, Marble Mt. Primitive Area. 1670 Comment
  SBBG30525  Geum macrophyllum var. perincisum D. Myrick 1968-6-27 2038 Siskiyou Mountain Meadow Ranch, Big Flat; Coffee Crk 1524 Comment
  UCD85119  Glyceria elata A. A. Heller 1916-7-20 12465 Siskiyou Metcalf's ranch, northeast base of Mt. Eddy. 1158 Comment
  UCD66793  Glyceria occidentalis P. B. Kennedy 1923-7-29 Siskiyou By Camp - Sisson. Comment
  HSC26904  Glyceria striata J. P. Smith, J. O. Sawyer 1971-9-17 4784 Siskiyou On trail up to Little Duck lake 1829 Comment
  CAS-BOT-BC302675  Gnaphalium palustre W. B. C. 1941-8-8 16144 Siskiyou Along the Wagon Camp road above Howard, Mt. Shasta Comment
  CDA6075  Grindelia camporum T. C. Fuller 1963-8-27 11157 Siskiyou In railroad yards, Grenada, Shasta Valley. 0 Comment
  CAS-BOT-BC314631  Grindelia hirsutula Copeland 1903-8-14 3884 Siskiyou Sisson Comment
  UCD98141  Gypsophila paniculata T. C. Fuller 1963-8-27 11160 Siskiyou n. limits of Macdoel. Comment
  UC1220392  Gypsophila paniculata var. paniculata T. C. Fuller 1963-8-27 11160 Siskiyou n limits Macdoel Comment
  HSC22095  Hackelia bella J. O. Sawyer 1969-7-23 1437 Siskiyou N of Jackson Lake 2043 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
  RSA114970  Hackelia bella E. K. Balls, L. W. Lenz 1956-6-18 21800 Siskiyou 5 mi. w. of McCloud, State Hwy. 89. 1341 Comment
  SD46642  Hackelia californica E. K. Balls, L. W. Lenz 1956-6-18 21800 Siskiyou 5.0 miles west of McCloud, State Highway 89. 1340 Comment
  JEPS25535  Hackelia californica Rimo Bacigalupi with Lincoln Constance 1959-6-16 7150 Siskiyou 0.3 mi e of Deadhorse Summit (along State Hwy 89) 1341 Comment
  HSC22162  Hackelia micrantha J. O. Sawyer 1969-7-16 1137 Siskiyou SW facing upper slope SW of Waterdog Lake. 2104 Comment
  UC1186469  Hackelia micrantha John H. Weiler, A. P. Nelson 1960-6-26 60223 Siskiyou 0.6 mi n of Bacon Rind Public Camp (s of Sawyers Bar) Comment
  UC455973  Hackelia mundula I. J. Condit 1909-8-23 Siskiyou near Sisson; Castle Lake 1981 Comment
  SEINET10474688  Haplopappus bloomeri Mary Susan Taylor 1980-8-18 Taylor 3257 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
  SBBG111489  Hastingsia alba J. M. Tucker, L. K. Mann 1963-7-7 3722 Siskiyou ca. 0.25 mi N of Paradise Lake, Marble Mtn Wilderness 1981 Comment
  SBBG30578  Hastingsia alba D. Myrick 1968-6-29 2055 Siskiyou Big Flat, head of Coffee Crk; Trinity Alps 1524 Comment
  UC1134651  Hastingsia alba H. S. Yates 1936-6-21 5822 Siskiyou 1 mi se Gazelle; Etna Quad. Comment
  UC1483457  Hastingsia alba Maralyn A. Renner 1980-6-25 1093 Siskiyou West Fork Little South Fork Indian Creek Preston Pk Quad. Klamath Natl For, Little S Fk Indian Creek (Klamath National Forest) 1219 Comment
  JEPS80489  Hastingsia alba Gilbert Muth 1966-7-17 387 Siskiyou ridge near Lookout (Marble Mountain Wilderness Area); Marble Mountain Wilderness Area 2042 Comment
  SEINET12044227  Hastingsia alba L. S. Rose 1937-1 37398 Siskiyou Weed 945 Comment
  CAS-BOT-BC302451  Hazardia whitneyi var. discoidea Gilbert Muth 1965-8-4 310 Siskiyou Marble Valley Comment
  CAS-BOT-BC302458  Hazardia whitneyi var. discoidea Annie M. Alexander; Louise Kellogg 1949-7-29 5899 Siskiyou Trail to Hidden Lake, above Sky High Lake. Sky High Valley, Marble Mountains 1767 Comment
  JEPS16948  Hazardia whitneyi var. discoidea Peter H. Raven 1956-9-4 10378 Siskiyou on the ridge s Mount Eddy 2286 Comment
  CAS-BOT-BC306737  Helenium bigelovii Henry M. Pollard 1947-9-6 s.n. Siskiyou Dillons Mt. Forest Road Comment
  CAS-BOT-BC306756  Helenium bigelovii Doris K. Kildale 1929-7-20 8712 Siskiyou Raspberry Lake, upper South Fork of Indian Creek 1828 Comment
  HSC92210  Helenium bigelovii Jennifer Whipple 1976-7-24 1568 Siskiyou SW of Dobkins Lake along the drainage into the lake 2073 Comment
  UC1040699  Helenium bigelovii Beecher Crampton 1956-8-21 3809 Siskiyou slopes above Gumboot Lake (headwaters of river); south fork Sacramento River 1920 Comment
  CAS-BOT-BC306732  Helenium bigelovii Wm. Bridge Cooke 1940-7-5 15260 Siskiyou Mount Shasta. Throughout Wagon Camp Comment
  RSA211511  Helenium bigelovii William J. Ferlatte 1967-8-17 947 Siskiyou Trinity Alps; Yellow Rose Mine. 1982 Comment
  CAS-BOT-BC314842  Helianthella californica var. shastensis L. E. Smith 1913-6-12 361 Siskiyou Sisson Comment
  UC166242  Helianthus bolanderi Geo. D. Butler 1908-7-14 506 Siskiyou field near Yreka Comment
  CAS-BOT-BC305568  Helianthus bolanderi Louis C. Wheeler 1934-10-21 3334 Siskiyou Shasta Valley 2 mi. SE Yreka 853 Comment
  JEPS81656  Hemizonella minima L. R. Heckard with L. Constance and R. Ornduff 1969-6-24 2296 Siskiyou on US 97 0.8 mi s Bray Junction; Murphy Wells 1493 Comment
  POM52735  Hemizonia fitchii Geo D. Butler 1910-7-31 1805 Siskiyou Near Yreka. Comment
  UC163843  Hesperochiron pumilus Geo. D. Butler 1910-5-10 1326 Siskiyou Goosenest foothills 1676 Comment
  SD11874  Hesperocyparis macnabiana Carl B. Wolf 1930-10-19 Siskiyou Modoc Lava Beds, 1 mile east of Timbered Butte on old road from ? Hill Farm at Dana to Little Hot Spring Valley 1220 Comment
  UC109499  Hesperolinon micranthum Brandegee July 1887 Siskiyou Sisson's Comment
  POM87184  Hesperolinon micranthum Geo. D. Butler 1910-6-19 1582 Siskiyou Goosenest foothills. 1220 Comment
  CHSC71480  Heterocodon rariflorum Vernon H. Oswald; Lowell Ahart 1998-7-21 9357 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
  UC201300  Heterotheca oregona var. oregona A. A. Heller 1917-9-7 12976 Siskiyou Comment
  UC1557834  Heterotheca oregona var. rudis J. Semple and S. Heard 1986-8-16 8496 Siskiyou 9.8 km s of road to Kanagaroo Lake (just ne of CA-3, se of Etna, on road to Gazelle) Comment
  UC933437  Heterotheca oregona var. rudis Annie M. Alexander and Louise Kellogg 1948-9-4 5580 Siskiyou Salmon River Siskiyou Mountains, Salmon River Comment
  CHSC71863  Heterotheca villosa var. minor Vernon H. Oswald; Lowell Ahart 1998-9-8 9607 Siskiyou USFS 3 ca. 0.1 mi west of Julia Glover Flat, ca. 6 air mi west of Mosquito Lake and Whitehorse Flat Reservoir, ca. 2 air mi northwest of Indian Spring Mtn. 1127 Comment
  UC705562  Heuchera merriamii Marion Ownbey, Fred G. Meyer 1940-7-6 2203 Siskiyou w side Cayenne Ridge (at summit); Marble Mountain Comment
  HSC61970  Heuchera merriamii Al Hobart 16 Jul [year missing] Siskiyou Preston Peak Comment
  RSA0063195  Heuchera merriamii G. D. Barbe 1955-8-5 367 Siskiyou Growing along the trail to Caribou Lake. Salmon Mtns. 2409 Comment
  CAS-BOT-BC424178  Heuchera micrantha var. erubescens W. B. C. 1940-7-12 15319 Siskiyou Box Canyon of the Sacramento near Mount Shasta City Comment
  CAS-BOT-BC319695  Hieracium albiflorum Alice Eastwood 1921-7-30 10995 Siskiyou Soda Creek Comment
  CAS-BOT-BC319700  Hieracium albiflorum John Thomas Howell 1939-8-6 15102 Siskiyou Elk Mt., Marble Mts. Comment
  OBI80260  Hieracium albiflorum David J. Keil, Kathleen Keil 1990-7-28 s.n. Siskiyou Marble Mountains. Klamath National Forest. Rye Patch Creek Trail. 1700 Comment
  UC1408926  Hieracium albiflorum Frederick W. Oettinger 1968-8-12 491 Siskiyou S slope trail down to Tobacco Lake from Lily Pond Salmon Mountains, Marble Mountains Wilderness Area (vicinity of English Peak) 1920 Comment
  HSC29089  Hieracium albiflorum Frederick W. Oettinger 1968-8-12 491 Siskiyou High Lake Basins near English Peak; Marble Mtn. Wilderness Area: S slope trail down to Tobacco Lake from Lily Pond 1921 Comment
  RSA215640  Hieracium gracile Gilbert Muth 1969-8-8 1291 Siskiyou Gap Meadow, Boulder Peak Ridge. 2287 Comment
  HSC61786  Hieracium greenei Ruby Van Deventer Siskiyou Poker Flat 1585 Comment
  RSA237429  Hieracium greenei Frederick W. Oettinger 1969-8-12 1338 Siskiyou 1/4 mile below metal bridge below Etna Summit on road toward Etna. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. Comment
  UC572808  Hieracium horridum unknown 1937-8-17 9257 Siskiyou Mt. Shasta 2590 Comment
  UC455914  Hieracium nudicaule I. J. Condit 1911-7-15 Siskiyou McCloud Comment
  UC165399  Hieracium parryi Geo. D. Butler 1910-6-3 1470 Siskiyou Quartz Valley Comment
  HSC44720  Hieracium scouleri J. O. Sawyer, E. Cope 1977-6-18 2909 Siskiyou Along Clear Creek trail below Ten Mile Creek 457 Comment
  UC1408934  Hieracium scouleri Frederick W. Oettinger 1968-8-12 490 Siskiyou near Tobacco Lake (w Siskiyou County, the high lake basins in the vicinity of English Peak, Marble Mountain Wilderness Area); Salmon Mountains 1889 Comment
  POM360467  Hieracium scouleri var. nudicaule L. S. Rose 1937-7-25 37590 Siskiyou South slope of Mt. Shasta. 1768 Comment
  HSC29378  Holodiscus discolor Frederick W. Oettinger 1968-9-8 787 Siskiyou S of English Lake 1784 Comment
  HSC58952  Holodiscus discolor Marvin Butler 1971-7-29 240 Siskiyou Near Copper Camp, close to the town of Cave Junction 1464 Comment
  RSA237614  Holodiscus discolor Frederick W. Oettinger 1967-8-10 244 Siskiyou Cliffs south of of Tobacco Lake basin. meadows, 1/8 mile southeast of Tom Taylor Cabin. The Salmon Mountains. The High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2027 Comment
  UC860183  Holodiscus discolor John Thomas Howell 1939-8-2 14884 Siskiyou Marble Mountains, Spirit Lake Spirit Lake; Marble Mountains, Spirit Lake Comment
  UC922310  Holodiscus discolor Annie M. Alexander and Louise Kellogg 1949-7-31 5906 Siskiyou Marble Mountains, trail at entrance to Sky High Valley Sky High Valley; Marble Mountains, Sky High Valley 1767 Comment
  LA207930  Holodiscus discolor var. glabrescens W. B. C.; 1938-8-18 11505 Siskiyou Mount Shasta, Above Horse Camp 2438 Comment
  HSC90620  Holodiscus microphyllus var. glabrescens Jennifer Whipple 1977-8-5 2181 Siskiyou Wagon Creek drainage on E face of Mt. Eddy 2317 Comment
  UCD98180  Holosteum umbellatum subsp. umbellatum J. T. Howell; T. C. Fuller, G. D. Barbe 1980-4-28 2577 Siskiyou Grenada. 800 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
  CHSC91336  Hordeum jubatum Lowell Ahart; John Dittes 2005-6-9 12023 Siskiyou Field, on the east side of a poor rock fence, about 400 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
  UC197113  Hordeum marinum subsp. gussoneanum Geo. D. Butler 1908-6-25 470 Siskiyou near Yreka Comment
  CAS-BOT-BC273496  Hordeum vulgare John Thomas Howell; T. C. Fuller; G. D. Barbe 1980-4-28 53378 Siskiyou 2 miles south of Grenada, Shasta Valley 762 Comment
  JEPS96981  Horkelia daucifolia Dean W. Taylor 1999-6-9 17238 Siskiyou Agate Flat, 0.3 miles S of Oregon State Line 1005 Comment
  SEINET6755777  Horkelia daucifolia G. D. Butler 1910-5-4 1272 Siskiyou Dry hill near Yreka. Comment
  UCD113410  Horkelia daucifolia J. T. Howell; T. C. Fuller, G. D. Barbe 1980-4-29 2656 Siskiyou Behind motel and restaurant at Old Hwy 99 and Greenhorn Road, south edge of Yreka. Comment
  UC618833  Horkelia fusca subsp. parviflora W. Bridge Cooke 1938-7-15 11229 Siskiyou above Bear Springs; Mount Shasta 1676 Comment
  UC481107  Horkelia fusca subsp. parviflora Annie M. Alexander and Louise Kellogg 1911-7-16 251 Siskiyou S. Fork Salmon River 1524 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
  RSA174976  Horkelia fusca var. brownii E. K. Balls, Lee W. Lenz 1956-6-18 21804 Siskiyou 1.4 miles W of Bartle (jct with road to Lava Beds), Hwy 89, McCloud to Burney. 1220 Comment
  HSC45034  Horkelia tridentata var. flavescens J. O. Sawyer, E. Cope 1977-6-18 2926 Siskiyou Along Cedar Creek Trail between Ten Mile Creek and Bear Pen Creek. 610 Comment
  CAS-BOT-BC539430  Horkelia tridentata var. tridentata Wm. Bridge Cooke 1940-6-26 15048 Siskiyou Openings in the woods and brush along the Castle Lake road (west of Shasta Springs) Comment
  SEINET957334  Hosackia crassifolia G. D. Butler 1910-1 1452 Siskiyou Lang Valley. Comment
  HSC22220  Hosackia oblongifolia var. oblongifolia J. O. Sawyer 1969-7-26 1575 Siskiyou SE facing slope near S Sugar Creek 1700 Comment
  HSC61503  Hosackia oblongifolia var. oblongifolia Ruby Van Deventer 1939-7-18 Siskiyou Kelley Lake and Kelley Lake Trail 1220 Comment
  UC642525  Hulsea nana W. Bridge Cooke 1939-7-26 13768 Siskiyou along summit trail below Lake Helen Comment
  HSC25489  Hydrophyllum occidentale J. P. Smith, J. O. Sawyer, Maralyn O'Meara 1972-7-3 5717 Siskiyou E slope of Kangaroo Mtn., above Toehead Lake. 1890 Comment
  HSC99203  Hydrophyllum occidentale Al Hobart 1967-8-8 Siskiyou El Capitan Comment
  JEPS101288  Hydrophyllum occidentale Dean W. Taylor 1972-7-3 1575 Siskiyou Salmon Mountains, near Little Duck Lake 1828 Comment
  JEPS82678  Hydrophyllum occidentale Wayne Roderick 1984-6-5 Siskiyou ca 12 air km sw Mt. Shasta City; Castle Lake 1828 Comment
  RSA0110956  Hydrophyllum occidentale Gilbert Muth 1966-7-8 361 Siskiyou Marble Valley Meadow, Marble Mountains. 1793 Comment
  JEPS35539  Hymenoxys hoopesii Geo. D. Butler 1908-8-2 318 Siskiyou Log Lake Shackelford Creek, Log Lake 1524 Comment
  CAS-BOT-BC312851  Hymenoxys lemmonii A. A. Heller 1918-7-25 13083 Siskiyou Shasta Valley between Cazelle and Edgwood [Edgewood] Comment
  HSC67767  Hypericum anagalloides John Palmer 1980-8-15 964 Siskiyou NE of Seiad Low Gap on spur of F.S. Rd. 46N50 1098 Comment
  HSC99604  Hypericum anagalloides Gail Newton 1980-6-20 443 Siskiyou Near Bald Mtn. 1097 Comment
  SBBG21928  Hypericum anagalloides D. Myrick 1964-7-25 969 Siskiyou Panther Meadows, Mt Shasta 2346 Comment
  SEINET5343937  Hypericum anagalloides G. Butler 1910-7-12 1765 Siskiyou Shackleford Creek 1219 Comment
  JEPS66841  Hypericum perforatum W. L. Jepson 1940-7-3 20091 Siskiyou 6 mi. e. McCloud (half-way to McCloud by roadside, Fowlers Camp); McCloud R., Fowlers Camp 944 Comment
  RSA238856  Hypericum perforatum Frederick W. Oettinger 1969-8-24 1525 Siskiyou Mid-way between the English Lake main camp and Sundew Bog due west of the camp. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1799 Comment
  CAS-BOT-BC401283  Hypericum perforatum Carl B. Wolf 1927-8-27 1108 Siskiyou On the Klamath River, Happy Camp Comment
  UC725319  Idahoa scapigera A. A. Heller 1929-5-4 Siskiyou near Edgewood Comment
  UC648263  Ipomopsis aggregata John Thomas Howell 1939-8-2 14898 Siskiyou Spirit Lake Marble Mtns Comment
  SEINET12278833  Ipomopsis aggregata H. P. Chandler 1901-1 1624 Siskiyou near Marble Mountain 2134 Comment
  UCD118229  Ipomopsis aggregata J. M. Tucker 1948-8-2 1758 Siskiyou McCloud Cemetery, 2 miles south of McCloud. Comment
  JEPS87631  Ipomopsis aggregata subsp. formosissima Vernon H. Oswald and Lowell Ahart 1994-8-10 6463 Siskiyou ca 5 mi (air) nw McCloud (FS Rd 31, 0.6 mi e of Ski Park Hwy (FS Rd 88)) 1584 Comment
  JEPS116877  Ipomopsis congesta David Gowen 2007-7-11 778 Siskiyou Southeast of Lake Shastina and Hwy 97 on forest service road 42N15. Near rocky area on side trail, midway between railroad tracks and pumice mine. Comment
  RSA105310  Ipomopsis congesta Milo S. Baker 1955-6-26 13081 Siskiyou Hwy 99, 4 miles south of Gazella 915 Comment
  RSA366780  Iris Anstruther Davidson 1930-1-20 s.n Siskiyou Siskiyou County Kessler [? Illeg] Comment
  POM258031  Iris bracteata C. L. Hitchcock 1939-7-7 5270 Siskiyou Sanger Peak Trail, CA. 13 miles south of Takilma, Oregon 1067 Comment
  RSA60636  Iris missouriensis I. L. Wiggins 1950-5-27 12357 Siskiyou Banks of East Fork of Scott River at Callahan Ranger Station, Callahan. 976 Comment
  SD88327  Iris missouriensis Darley F. Howe 1972-7-8 Siskiyou Grass Lake, 21 miles north of Weed on #97. 1524 Comment
  SEINET3876298  Iris missouriensis George Neville Jones 1967-6-30 45138 Siskiyou Grass Lake northeast of Weed.; 0 1524 Comment
  HSC100274  Isatis tinctoria J. P. Smith, , J. O. Sawyer, & R. J. Cole 2010-8-7 13069 Siskiyou Klamath National Forest, road to Crater Lake off Forest Service Road 40N24. 2005 Comment
  UC1586879  Isatis tinctoria Juha Pykala and D. H. Norris 1987-4-26 2052 Siskiyou 0-3 km below Bear Lake (above Bear Creek, Marble Mountain Wilderness Area); Marble Mountain Wilderness Area Comment
  SEINET13762151 Image available Isatis tinctoria T. C. Fuller unknown s.n. Siskiyou Scott Valley Comment
  UCD115196  Isatis tinctoria Collector unknown 1950-1 s.n. Siskiyou location unknown. Comment
  RSA636054  Isoetes bolanderi I. Shackleford 1995-7-24 257 Siskiyou Big Carmen Lake, along a road connecting to Hwy 3. 1650 Comment
  JEPS20537  Isoetes howellii Rimo Bacigalupi with S. Galen Smith and George Bacigalupi Jr. 1957-6-27 5971 Siskiyou 2 1/2 mi. n.w. Weed (s. tip of Shasta Valley, near headwaters of Shasta River); Shasta Valley 1005 Comment
  RSA264994  Isoetes occidentalis Gilbert Muth 1975-7-30 s.n. Siskiyou Near Lily Pad Lake near Seiad Valley. 1585 Comment
  UCR266170  Isoetes occidentalis David J. Keil, Kathleen Keil 1990-7-28 s.n. Siskiyou Marble Mountains, Klamath National Forest, Rye Patch Creek Trail, Paradise Lake 1865 Comment
  RSA68873  Isopyrum occidentale A. E. Culbertson 1943-6-26 83 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
  HSC90740  Ivesia gordonii Jennifer Whipple 1976-7-1 1228 Siskiyou Near Little Crater Lake 2195 Comment
  HSC72377  Ivesia gordonii var. ursinorum J. P. Smith, L. Barker, J. Cole, Jennifer Whipple 1976-7-28 8958 Siskiyou Sikiyou-Trinity county line, summit of Mt. Eddy 2752 Comment
  JEPS116580  Juncus Julie Kierstead Nelson with Rhonda Posey, Ross Olson 2007-8-1 2007 -021 Siskiyou The Eddys, west of Mt. Shasta. wet seep adjacent to unmamed tributary to Middle Fork of upper Sacramento River, along Forest Service Rd. 40N64 ca. 1/2 mi N of Middle Fork crossing; Mt. Eddy 1693 Comment
  CAS-BOT-BC110018  Juncus Melissa A. Berry 1957-7-4 s.n. Siskiyou High CCC Road, south of Highway 96, between Ridge and Humbug roads. 1371 Comment
  CHSC97977  Juncus balticus Jennifer Whipple 1976-7-2 1250 Siskiyou Klamath Mountains, Mount Eddy. Near Dobkins Lake. Along shore of lake. 2133 Comment
  JEPS66928  Juncus bufonius var. occidentalis B. C. Goldsmith 1916-9-9 21 a Siskiyou Klamath Hot Springs Klamath River Comment
  RSA238917  Juncus ensifolius Frederick W. Oettinger 1969-7-29 1104 Siskiyou At the northern shore line of Uncle s Lake. Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1845 Comment
  RSA607419  Juncus ensifolius L. C. Wheeler 1934-8-14 3131 Siskiyou North side White Mt., Siskiyou Mts., Mt. Diablo Mer. 1768 Comment
  CAS-BOT-BC127616  Juncus mertensianus John Thomas Howell 1939-8-5 15063 Siskiyou Spirit Lake, Marble Mountains. 1828 Comment
  HSC69348  Juncus mertensianus Maralyn A. Renner 1980-8-21 2588 Siskiyou Kidd Creek 2043 Comment
  JEPS121646  Juncus nevadensis Jennifer Buck, Deborah Stout 2011-8-23 Siskiyou Middle Fork Sacramento River headwaters, east slope of the Eddys, near Toad Lake. Sloping wet meadow in lodgepole pine forest on ultramafic soil. W aspect. Mount Eddy quadrangle. TL03A Comment
  UC1026899  Juncus nevadensis F. J. Hermann 1940-8-8 15444 Siskiyou near Squaw Valley Creek; Mount Shasta Comment
  LA20061  Juncus nevadensis var. nevadensis Wm. Bridge Cooke; 1940-8-22 15471 Siskiyou Mt. Shasta, near springs in Mud Creek Canyon 1981 Comment
  HSC39812  Juncus orthophyllus J. O. Sawyer 1969-8-4 1838 Siskiyou Above Sugar Lake 2134 Comment
  HSC69060  Juncus orthophyllus Maralyn A. Renner 1980-8-6 2322 Siskiyou Cracker Meadow 1555 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
  HSC22105  Juncus parryi J. O. Sawyer 1969-8-2 1721 Siskiyou E facing slope SW of Little Duck Lake 2241 Comment
  UC1265304  Juncus parryi Frederick W. Oettinger 1968-9-8 781 Siskiyou near outlet of English Lake (vicinity of English Peak, w Siskiyou County); Salmon Mountains, Marble Mountain Wilderness Area 1752 Comment
  UCD141754  Juncus parryi William Bridge Cooke 1937-8-7 9252 Siskiyou Vicinity of The Gate (south) Hudsonian. 2590 Comment
  SBBG33704  Juniperus communis W. M. Plumb 1969-9-23 Siskiyou China Mtn above Caldwell Lakes 2438 Comment
  HSC1220  Juniperus communis var. saxatilis J. F. Knezevich 1967-6-3 183 Siskiyou Mt. Shasta NE of the ski lodge, 300 ft. higher than the lodge 2500 Comment
  HSC22408  Juniperus communis var. saxatilis J. O. Sawyer 1969-7-9 1245 Siskiyou W facing slope above Bingham Lake 2317 Comment
  CHSC32823  Juniperus occidentalis Dirk Reith 1979-4-10 4 Siskiyou 10 mi wsw of Newell, 2 mi sw of Tule Lake, in Lava Beds Nat'l Monument. 1371 Comment
  HSC37540  Juniperus occidentalis J. P. Smith 1974-5-27 7603 Siskiyou Along FS Rd. 47N03 1524 Comment
  POM120219  Juniperus occidentalis var. occidentalis Geo D. Butler 1908-7-1 1105 Siskiyou Near Yreka. Comment
  HSC22414  Kalmia polifolia J. O. Sawyer 1969-6-13 942 Siskiyou W of Little Duck Lake 2043 Comment
  HSC35446  Kalmia polifolia A. M. Montalvo, J. D. Ackerman 1975-7-18 585 Siskiyou Panther Meadow, Mt. Shasta 2287 Comment
  CAS-BOT-BC235864  Keckiella corymbosa Carl B. Wolf 1927-8-27 1 w125 Siskiyou On the Klamath River, 4 mi. below Happy Camp Comment
  CAS-BOT-BC246183  Keckiella lemmonii Nora Pettibone 1894-8-7 s.n. Siskiyou Upper Soda Springs Comment
  HSC61498  Kelloggia galioides Ruby Van Deventer 1952-7-8 Siskiyou Kelley Lake and Kelley Lake Trail Comment
  RSA184796  Kelloggia galioides Gilbert Muth 1966-7-31 471 Siskiyou N side of Black Mountain. Marble Mtns. 1982 Comment
  UC1409414  Kelloggia galioides Frederick W. Oettinger 1968-9-9 807 Siskiyou ne side of saddle between Tom's Lake Basin and Tobacco Lake Basin (vicinity of English Peak, w Siskiyou County); Salmon Mountains, Marble Mountain Wildeness Area 1950 Comment
  RSA121244  Koeleria macrantha H. S. Yates 1936-6-21 5818 Siskiyou one mile southeast of Gazelle. 793 Comment
  UCD85701  Koeleria macrantha A. A. Beetle; G . L. Stebbins Jr. 1942-5-31 3424 Siskiyou 3 miles south of Yreka. Comment
  CAS-BOT-BC499653  Kopsiopsis strobilacea J. H. Thomas 1954-5-13 4127 Siskiyou Salmon Mountains, Klamath National Forest (sw part of county). Near South Fork of Salmon River, 5--9 mi SE of Cecilville, vicinity of Blind Horse Creek 1066 Comment
  RSA0084174  Kopsiopsis strobilacea Frederick W. Oettinger 1967-8-21 299 Siskiyou Salmon Mountains: The High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. Appox. 20 yards S. off the Tom Taylor Cabin - Pine Lake trail just after one leaves the first patch of Red Fir forest (heading towards Pine Lake). 2073 Comment
  CAS-BOT-BC340372  Kyhosia bolanderi Alice Eastwood 1912-8-30 1988 Siskiyou Mount Eddy Comment
  CAS-BOT-BC340377  Kyhosia bolanderi John Thomas Howell 1939-8-9 15207 Siskiyou Sky High Valley, Marble Mts. 1828 Comment
  CAS-BOT-BC341703  Lagophylla ramosissima Louis C. Wheeler 1934-6-2 2608 Siskiyou Klamath National Forest. Oak Knoll R. S. 670 Comment
  OBI55437  Lagophylla ramosissima David J. Keil 1992-7-20 23496 Siskiyou Klamath NF, W of Fort Jones. Along Forest Rd 44N45, 4.4 mi S of Scott river rd Comment
  CDA4175  Lathyrus latifolius T. C. Fuller 1964-10-7 12684 Siskiyou ca. 1 mile southeast of Mt. Shasta City. 0 Comment
  UCD106351  Lathyrus latifolius S. P. Lynch 1975-4-19 1384 Siskiyou Along roadsides on St. Hwy. 96, 16.3 mi. NE of Happy Camp. Comment
  SBBG3356  Lathyrus nevadensis H. and M. Dearing 1938-6-29 2194 Siskiyou Mt Shasta Wagon Camp 1828 Comment
  JEPS55338  Lathyrus nevadensis var. nevadensis Harley P. Chandler Jun 1901 1713 Siskiyou near Marble Mountain; North Coast Ranges 1828 Comment
  UC162610  Lathyrus nevadensis var. nevadensis Harley P. Chandler Jun 1901 1629 Siskiyou near Marble Mountain; North Coast Ranges 2133 Comment
  HSC42920  Leersia oryzoides Ken Stillman 1976-8-31 461 Siskiyou Along the Klamath River at Williams Point. 366 Comment
  CDA16172  Lepidium campestre G. F. Hrusa, T. D. Wilfred 1999-5-31 15071 Siskiyou Klamath Ranges; E side of I-5 at Klamath R. rest area +- 10 mi N of Yreka 640 Comment
  HSC27473  Lepidium campestre J. P. Smith, J. O. Sawyer 1972-5-28 5362 Siskiyou 1 mi. S of Etna on Hwy. 3 915 Comment
  RSA605518  Lepidium campestre L. C. Wheeler 1959-7-21 7588 Siskiyou Salmon and Marble Mountains Region: Crawford Creek, ca. 1/2 mile upstream from Guard Station. Comment
  CAS-BOT-BC88926  Lepidium densiflorum var. densiflorum Geo. D. Butler 1910-6-27 1612 Siskiyou Yreka Creek. Comment
  JEPS96803  Lepidium densiflorum var. macrocarpum Dean W. Taylor 1999-8-12 17302 Siskiyou Mill Creek headwaters, Marble Mountains (ca. 4 miles W of Mugginsville, Quartz Valley), creek crossing on logging road 1341 Comment
  CAS-BOT-BC89829  Lepidium montanum A. A. Heller 1925-7-25 s.n. Siskiyou In the Shasta Valley north of Gazelle. Comment
  JEPS53649  Lepidium montanum A. A. Heller 1905-6-19 8068 Siskiyou Grenada Station 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
  UC856584  Lepidium virginicum A. A. Heller 1916-8-24 12561 Siskiyou near Sisson 1074 Comment
  SBBG30497  Leptosiphon ciliatus D. Myrick 1968-6-25 2018 Siskiyou Mountain Meadow Ranch, Big Flat, head of Coffee Crk; Trinity Alps 1524 Comment
  POM208354  Leptosiphon ciliatus L. C. Wheeler 1934-6-11 2688 Siskiyou Siskiyou Mts., Mt. Diablo Mer., North Hungry Creek 1220 Comment
  HSC30429  Leptosiphon harknessii Frederick W. Oettinger 1968-8-8 577 Siskiyou Marble Mtn. Wilderness Area, Tobacco Lake 1890 Comment
  HSC32259  Leptosiphon nuttallii J. O. Sawyer 1970-7-4 2328 Siskiyou 1585 Comment
  HSC86531  Leptosiphon nuttallii D. K. Imper 1987-7-21 Siskiyou 8 mi. E of Somes Bar, N of Haypress Meadows 1372 Comment
  CDA40062  Leptosiphon rattanii G. D. Barbe, J. T. Howell, T. C. Fuller 1980-4-29 2631 Siskiyou 16 km south of Fort Jones on Scott Valley East Side Road. Comment
  CAS-BOT-BC341896  Lessingia nemaclada A. A. Heller 1916-7-23 12494 Siskiyou At Dunsmuir 640 Comment
  JEPS20610  Lessingia nemaclada W. L. Jepson 1914-8-14 6168 Siskiyou Dunsmuir 670 Comment
  CAS-BOT-BC508376  Leucocrinum montanum Elmer I. Applegate 1936-5-2 10208 Siskiyou Crater of Caldwell Butte, Lava Beds National Monument Comment
  CAS-BOT-BC229450  Lewisia cotyledon John Thomas Howell 1937-7-25 13474 Siskiyou Caribou Basin, Salmon-Trinity Alps 2286 Comment
  CAS-BOT-BC444045  Lewisia cotyledon var. cotyledon Gilbert Muth 1965-8-5 306 Siskiyou North slope of Marble Rim, near Blk. Mt. Comment
  HSC63484  Lewisia cotyledon var. cotyledon M. A. Baker 1979-7-29 1066 Siskiyou 3100 Comment
  UCD101616  Lewisia leeana J. M. Tucker 1963-7-8 3731 Siskiyou 1 mile south of Paradise Lake, Marble Mountains Wilderness Area. Beside trail to Marble Valley. 1981 Comment
  CAS-BOT-BC444193  Lewisia nevadensis G. J. Muth 1969-8-8 1294 Siskiyou Gap Meadow, Boulder Peak Ridge 2286 Comment
  RSA464484  Lewisia rediviva Christopher Davidson 1975-6-5 2660 Siskiyou just above gate on special service rd branching SE off rd from Gazelle to Callahan 9.3 mi. W of Gazelle. 1471 Comment
  CDA32461  Leymus cinereus T. C. Fuller 1958-6-19 1808 Siskiyou Fence row adjacent to open pasture, 3 miles northeast of Montague 0 Comment
  JEPS68581  Leymus triticoides Geo. D. Butler 1909-6-19 837 Siskiyou along creek near Yreka Comment
  UC803947  Leymus triticoides G. L. Stebbins Jr., P. Dansereau, K. Narayan, and C. McMillan 1949-8-8 4015 Siskiyou 2.5 mi s Grenada (along railroad right-of-way) 792 Comment
  UCD87758  Leymus triticoides G. L. Stebbins Jr.; P. Dansereau, C. McMillan and K. Narayan 1949-8-8 4015 Siskiyou 2.5 miles S of Grenada, along RR right of way. 792 Comment
  CDA32479  Leymus triticoides John Nehay, DVM 1961-8-28 Siskiyou Edgewood. 0 Comment
  HSC58925  Ligusticum californicum Butler 1971-8-27 203 Siskiyou Near Bell Echo Camp, close to the town of Cave Junction 1433 Comment
  HSC69351  Ligusticum californicum Maralyn A. Renner 1980-8-21 2570 Siskiyou Kidd Creek 2043 Comment
  CAS-BOT-BC231938  Liliaceae W. R. Dudley 1893-6-1 s.n. Siskiyou Peter Klink's meadow Comment
  HSC58944  Lilium kelleyanum Marvin Butler 1971-7-19 148 Siskiyou Near El Capitan 1524 Comment
  CAS-BOT-BC509376  Lilium kelleyanum Marion Ownbey; Fred G. Meyer 1940-7-6 2200 Siskiyou In spring, Cayenne Ridge, Marble Mountain. Comment
  CHSC30135  Lilium pardalinum subsp. shastense M. S. Taylor 1980-7-8 3099 Siskiyou On nw side of Castle Lake. 1615 Comment
  POM109713  Lilium pardalinum subsp. vollmeri Geo D. Butler 1910-6-6 1454 Siskiyou Quartz Valley Comment
  CAS-BOT-BC133092  Lilium washingtonianum subsp. washingtonianum Albert M. Vollmer; Ira L. Wiggins 1940-7-5 9 Siskiyou 3.5 miles northeast of the town of Mount Shasta 1402 Comment
  CAS-BOT-BC133097  Lilium washingtonianum subsp. washingtonianum Alice Eastwood 1912-7-22 1301 Siskiyou Sisson Comment
  JEPS74452  Linanthus ciliatus W. J. Ferlatte 1967-6-27 537 Siskiyou Big Flat, near public camp Trinity Alps 1524 Comment
  UC106768  Linanthus harknessii Dr. Palmer Jul 1892 Siskiyou Sisson Mt. Shasta Comment
  HSC91972  Linanthus pungens Jennifer Whipple 1976-7-7 1332 Siskiyou N slopes of Mt. Eddy. 2439 Comment
  CAS-BOT-BC94972  Linum lewisii var. lewisii R. C. Wenk 2005-7-15 205 Siskiyou Trinity Alps, above South Fork of Salmon River, along Yellow Rose Mine Trail 2133 Comment
  RSA758217  Listera caurina Robert F. Thorne 1969-8-2 63330 Siskiyou Klamath National Forest, Salmon Mountains, Marble Mountain Wilderness Area, high lake basins in the vicinity of English Peak Comment
  HSC61604  Listera convallarioides Ruby Van Deventer 12 Jul [year missing] Siskiyou Lookout Mountain Comment
  UC4707  Listera convallarioides C. B. Bradley 1897-1 Siskiyou Comment
  UC1043390  Lithocarpus densiflorus var. echinoides P. C. Everett and E. K. Balls 1954-10-10 20262 Siskiyou 0.5 mi s junction to Ney Springs (road to Castle Lake from town of Mt. Shasta) 1127 Comment
  UC484041  Lithocarpus densiflorus var. echinoides Carl B. Wolf 1930-10-27 Siskiyou Hazelview Summit; Siskiyou Mtns. 742 Comment
  UC375362  Lithophragma Geo. D. Butler 1909-5-1 687 Siskiyou Klamath Hills Comment
  JEPS25672  Lithophragma campanulatum Rimo Bacigalupi with Mr. and Mrs. Van Deventer 1959-7-10 7317 Siskiyou at ridge-top marking Del Norte-Siskiyou County line which is followed by jeep road between Poker Flat and Twin Valley; Siskiyou Mts., bet Poker Flat and Twin Valley 1664 Comment
  HSC35065  Lithophragma heterophyllum J. P. Smith 1974-5-25 7646 Siskiyou Along Rd. 8, 4.7 mi. W of its junction with Hwy. 3 1159 Comment
  POM265895  Lithospermum californicum Lincoln Constance, R. Rollins 1942-5-12 2899 Siskiyou Klamath River 12 miles S of Happy Camp. 305 Comment
  SEINET10497325  Lithospermum californicum Mary Susan Taylor 1980-7-8 Taylor 3088 Siskiyou T40N R4W sec 32, Weed quad; Shastan Trinity Natl Forest; on N side of Castle Laek Rd (39N24), ca. 0.9 mi W of its jct with 40N26 at SE side of Lake Siskiyou. 1036 Comment
  UC196935  Lolium multiflorum Geo. D. Butler 1909-9-5 864 Siskiyou along creek near Yreka Comment
  UCD66312  Lolium perenne A. A. Heller 1915-7-18 12125 Siskiyou Metcalf's ranch, northeast base of Mt. Eddy. 1188 Comment
  CHSC118451  Lomatium Julie Kierstead Nelson; Martin Lenz, Rhonda Posey, Brenna Montagne 2016-6-9 2016 -031 Siskiyou Lower Parks Creek watershed, E Klamath Range; along Forest Service Road 42N19, 4 miles northwest of Stewart Springs. UTM NAD 83 Zone 10, 539279m E, 4587169m N. 1506 Comment
  UC1424943  Lomatium dissectum var. multifidum Frederick W. Oettinger 1969-7-9 946 Siskiyou slope nw Upper English Lake (high lake basins in vicinity of Eanglish Peak, w Siskiyou Co.); Salmon Mountains, Marble Mountain Wilderness Area 1844 Comment
  CAS-BOT-BC211136  Lomatium engelmannii A. A. Heller 1922-7-3 13676 Siskiyou West of Wagon Creek 2286 Comment
  RSA452573  Lomatium engelmannii Christopher Davidson 1975-6-5 2680 Siskiyou 6 miles ESE of Callahan on Hwy 3 (= 4 miles SE of Scott River Bridge). 1349 Comment
  CAS-BOT-BC211157  Lomatium howellii Doris K. Kildale 1929-7-20 8624 Siskiyou South Fork Indian Creek to Elk Lick 1219 Comment
  CHSC59665  Lomatium macrocarpum K. Bridwell 1978-4-14 73 B Siskiyou Roadside at Weed Airport, ca. 200 yds e Hwy 5, ca. 5 mi n of Weed. 762 Comment
  HSC55714  Lomatium macrocarpum G. L. Clifton, Terry Griswold 1979-7-26 10130 Siskiyou Near Salmon Mtn., close to the town of Forks of Salmon 2104 Comment
  UC337571  Lomatium macrocarpum unknown 1889-6-27 Siskiyou near Shasta Comment
  RSA60802  Lomatium nevadense I. L. Wiggins 1950-5-28 12361 Siskiyou Margins of Carmen Lake, ca. 1.5 miles E of Scott Mtn road. 1738 Comment
  CHSC88401  Lomatium nudicaule Jenny Marr 1993-7-1 160 Siskiyou Butte Valley Wildlife Area, +/- 7 air miles NW of the town of MacDoel. Meadow NW of Meiss Lake. 1349 Comment
  HSC38864  Lomatium nudicaule J. P. Smith 1973-5-5 6463 Siskiyou Along Cook and Green Pass Rd. Comment
  UC1037477  Lomatium nudicaule Douglas Barbe 1955-7-5 113 Siskiyou 1/2 mi n Etna (on the middle valley road, Klamath Mountains); Klamath Mountains 883 Comment
  UC165962  Lomatium nudicaule Geo. D. Butler 1910-5-19 1363 Siskiyou Yreka Comment
  CAS-BOT-BC217792  Lomatium peckianum Alice Eastwood; John Thomas Howell 1934-4-20 1785 Siskiyou 4 miles N. of Weed Comment
  CDA42196  Lonicera ciliosa D. H. Shaw 1977-5-26 s.n. Siskiyou Walker Creek, near Seiad. 0 Comment
  HSC42234  Lonicera conjugialis J. D. Mastrogiuseppe 1974-9-2 161 Siskiyou Above Kidd Creek. 1951 Comment
  SD76186  Lonicera conjugialis Helen V. Witham 1969-10-6 551 Siskiyou Cliffs above Kangaroo Lake. 2100 Comment
  SBBG7342  Lonicera hispidula H. and M. Dearing 1939-6-30 3753 Siskiyou near Callahan Comment
  SEINET8056679  Lonicera involucrata G. D. Butler 1910-7-9 1700 Siskiyou Margin of Shackleford creek. 1219 Comment
  CAS-BOT-BC243922  Lonicera involucrata var. involucrata Volney Rattan 1879-1-1 s.n. Siskiyou Happy Camp Comment
  RSA406113  Lotus crassifolius M. B. Dunkle 1944-7-3 9064 Siskiyou Siskiyou National Park. 1677 Comment
  UC15553  Lotus crassifolius var. crassifolius Milo S. Baker 1893-8-18 Siskiyou McCloud River Comment
  JEPS55546  Lotus nevadensis var. nevadensis Geo. D. Butler 1908-6-28 392 Siskiyou Yreka Comment
  JEPS75371  Lotus oblongifolius var. oblongifolius Geo. D. Butler 1908-8-21 397 Siskiyou Etna Creek 1158 Comment
  UC862222  Lotus purshianus var. purshianus A. A. Heller 1915-7-18 12116 Siskiyou ne base Mt. Eddy (Metcalf's ranch) 1188 Comment
  HSC64941  Luetkea pectinata D. L. Goforth 1979-7-19 265 Siskiyou Trinity Alps Wild Area, Caribou Lakes Basin, upper lake area 2104 Comment
  RSA760541  Luetkea pectinata Robert F. Thorne, Frederick W. Oettinger 1969-8-4 63365 Siskiyou Klamath National Forest, Salmon Mountains, Marble Mountain Wilderness Area, high lake basins in the vicinity of English Peak. Comment
  UC609335  Luetkea pectinata Eleanor Burks Hart 1938-8-20 937 Siskiyou n slope Red Cap 2225 Comment
  RSA94103  Luina hypoleuca F. W. Peirson 1926-7-10 7021 Siskiyou Mountain Range west of Yreka. 1524 Comment
  SD230175  Luina hypoleuca Louis C. Wheeler 1959-7-25 7590 Siskiyou Salmon & Marble Mountain Region: Facing the Salmon River, a few miles downstream from Forks of the Salmon. Comment
  UC725972  Lupinus A. A. Heller 1929-5-4 14860 Siskiyou Yreka Shasta River (Shasta River) Comment
  OBI55450  Lupinus David J. Keil 1992-7-20 23508 Siskiyou Klamath Natl Forest, SW of Fort Jones. Along Forest Rd 46N64, 7.4 mi W of Scott river Rd 800 Comment
  RSA166287  Lupinus adsurgens var. adsurgens Donald Myrick 1961-6-21 303 -A Siskiyou On Deer Camp Road above Oak Knoll Ranger Station on Klamath River 19 miles west of Highway 99. 1372 Comment
  CDA27358  Lupinus albicaulis T. C. Fuller 1974-9-24 20030 Siskiyou Summit of Siskiyou Mountains above Reeves Ranch Spring. 0 Comment
  POM11365  Lupinus albicaulis var. shastensis C. P. Smith 1922-8-8 3727 Siskiyou Sisson Comment
  RSA60787  Lupinus albicaulis var. shastensis Dorothy Parker 1948-8-10 180 Siskiyou Forks of Etna Creek, Salmon Mountain. 1177 Comment
  HSC71540  Lupinus albifrons J. P. Smith, Steve Selva 1970-6-15 3952 Siskiyou Road between Forks of Salmon and Cecilville. 579 Comment
  CAS-BOT-BC195966  Lupinus albifrons var. albifrons Charles Piper Smith 1947-5-6 47205 Siskiyou Gazelle, 3.2 miles south, Highway 99 Comment
  CAS-BOT-BC195957  Lupinus albifrons var. albifrons Mrs. H. C. Cantelow 1936-5-20 s.n. Siskiyou Near Fort Jones Comment
  HSC22253  Lupinus andersonii J. P. Smith, J. O. Sawyer 1969-7-23 1453 Siskiyou Near N Horse Range Creek along C.C.C. Rd. 1341 Comment
  HSC24691  Lupinus andersonii J. O. Sawyer 1969-7-9 1226 Siskiyou SE facing slope above South Sugar Lake 1890 Comment
  UC1408828  Lupinus andersonii Frederick W. Oettinger 1968-8-19 587 Siskiyou English Peak Salmon Mountains, Marble Mountain Wilderness Area (Crapo View Gap) 2133 Comment
  CAS-BOT-BC8426  Lupinus argenteus Amos Arthur Heller 1905-6-9 8015 Siskiyou Montague Comment
  UCD106687  Lupinus argenteus Robert E. Preston 1995-6-18 872 Siskiyou ca. 3 mi ese of Hornbrook, in oak woodland adjacent to Ager Rd; (Copco 15' quad). 701 Comment
  CAS-BOT-BC196355  Lupinus argenteus var. argenteus A. A. Heller 1928-6-9 14607 Siskiyou Near the creamery at Montague Comment
  JEPS91388  Lupinus argenteus var. heteranthus Dean W. Taylor 1987-6-6 9012 Siskiyou Egg Lake; Upper Modoc Plateau 1298 Comment
  HSC2248  Lupinus aridus Geo. D. Butler 1910-9-11 1867 Siskiyou Weed Comment
  HSC44985  Lupinus breweri J. O. Sawyer 1978-6-21 3290 Siskiyou Marble Mtn. Wilderness area, ridge above Crapo Meadow 2012 Comment
  CAS-BOT-BC196696  Lupinus breweri var. breweri Jessie P. Rose 1908-7-1 193 Siskiyou Near summit of Ashland Butte, Siskiyou Mountains Comment
  CAS-BOT-BC215182  Lupinus croceus Alice Eastwood 1912-8-30 1991 Siskiyou Mount Eddy Comment
  CAS-BOT-BC215190  Lupinus croceus C. P. Smith 1940-6-6 15079 Siskiyou Along the Castle Lake Road 1584 Comment
  CAS-BOT-BC215200  Lupinus croceus John Thomas Howell 1937-7-29 13667 Siskiyou Scott Mountain between Trinity and Siskiyou counties Comment
  HSC92403  Lupinus croceus Jennifer Whipple 1976-6-30 1206 Siskiyou SE slope of Mount Eddy draining into the N fork of the Sacramento River 2256 Comment
  CAS-BOT-BC215187  Lupinus croceus H. E. Brown No date on label 395 Siskiyou N side of Mount Shasta Comment
  RSA666384  Lupinus croceus Barbara Ertter 1990-7-14 9330 Siskiyou Wagon Creek on E side of Mt. Eddy, ca 4 airmiles W of Mt. Shasta City. 1890 Comment
  RSA300986  Lupinus croceus var. pilosellus M. L. Conrad 1973-6-2 6988 Siskiyou 17.4 miles northeast of Cecilville Store, on road to Callahan 2073 Comment
  RSA11965  Lupinus klamathensis Elmer I. Applegate 1928-5-27 5401 Siskiyou Yreka. Comment
  SEINET10485434  Lupinus klamathensis Jeffrey Huber 1971-6-9 Huber 270 Siskiyou 3 mi. N of weed, on us hwy 97; s facing 20 degree slope; roadside; in pinus Ponderosa, and p. Jeffreyi, and artemisia tridentata and purshia. 1128 Comment
  SEINET11161339 Image available Lupinus latifolius A. A. Heller 1914-1 11709 Siskiyou Deetz station 1158 Comment
  HSC63293  Lupinus latifolius subsp. viridifolius M. A. Baker 1979-7-30 1082 Siskiyou Marble Mtn. Wilderness, .8 k. SE of Tickner (Peak) 2100 Comment
  UC157028  Lupinus lepidus var. lobbii Geo. D. Butler 1910-9-11 1867 Siskiyou Weed Comment
  CHSC48564  Lupinus lepidus var. sellulus Vernon Oswald 1986-5-29 2072 Siskiyou Hwy 97 between Macdoel and Hebron Summit, 31.5 mi ne of Weed. 1219 Comment
  UC1034595  Lupinus lepidus var. sellulus Douglas Barbe 1955-7-1 66 Siskiyou 0.5 mi e Etna; Klamath Mountains Comment
  UC454628  Lupinus lepidus var. sellulus I. J. Condit 1911-7-15 Siskiyou McCloud Comment
  JEPS83249  Lupinus luteolus W. L. Jepson 1939-7-23 18455 Siskiyou beyond Hambrook at Cedar Grove road station; Yreka Comment
  RSA60652  Lupinus luteolus Dorothy Parker 1948-6-11 104 Siskiyou Near Bogus 1067 Comment
  SEINET10936747  Lupinus luteolus David B. Dunn, Patricia L. Kenney; Douglas G. LeDoux 1973-6-1 Dunn 20638 Siskiyou About 1 mi s of hornbrook. Along the old hwy. Four species of lupinus growing In close proximity. Area under cultivation and pasture. Waste areas by road And along rd cuts. Comment
  CHSC86647  Lupinus microcarpus Jenny Marr 1993-7-1 30 Siskiyou Butte Valley Wildlife Area, +/- 7 air miles NW of the town of MacDoel. Meadow NW of Meiss Lake. 1349 Comment
  JEPS107668  Lupinus microcarpus var. microcarpus Lowell Ahart, John Dittes 2005-6-9 12015 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
  CHSC26297  Lupinus obtusilobus J. P. Kroessig 1977-8-5 57 Siskiyou Panther Meadow on Mt. Shasta, n end of Everitt Memorial Hwy, ca. 6 km s of Mt. Shasta Peak. 2285 Comment
  LA205153  Lupinus obtusilobus L. Ellison; 1928-9-11 512 Siskiyou Mt Shasta 2590 Comment
  RSA32811  Lupinus obtusilobus A. A. Heller 15765 Siskiyou About Horse Camp, Mt. Shasta. 2439 Comment
  UC1034051  Lupinus obtusilobus W. Bridge Cooke 1941-9-10 16310 Siskiyou vicinity Horse Camp (Mt. Shasta); Mt. Shasta Comment
  CAS-BOT-BC7542  Lupinus onustus Amos Arthur Heller 1905-6-15 8037 Siskiyou Near Sisson Comment
  RSA60881  Lupinus polyphyllus subsp. polyphyllus Frank W. Gould 1938-6-28 487 Siskiyou Near and north of Mt. Shasta (where Highway 97 crosses Butte Creek). 1418 Comment
  SD88330  Lupinus sellulus Darley F. Howe 1972-7-8 Siskiyou 11.5 miles north of Weed on Highway 97. 4000 Comment
  SEINET10937145  Lupinus sellulus var. lobbii Billy Joe Cox, David B. Dunn 1971-6-9 Cox 2808 Siskiyou 3 mi n of weed, on u.s. Hwy 97. S-facing 20 degree slope; roadside; in pinus Ponderosa, p. Jeffreyi, and artemisia tridentata, and purshia. 1128 Comment
  JEPS30463  Lupinus tracyi Joseph P. Tracy 1950-7-20 19208 Siskiyou about 4 mi se of Elk Valley (in Flint Valley); Flint Valley 1432 Comment
  UC1475699  Lupinus tracyi Clifton & Ground 1978-7-13 2116 Siskiyou close to Orleans (near Flint Valley) 1418 Comment
  NY16052  Lupinus violaceus A. A. Heller 1905-6-15 8037 Siskiyou Near Sisson Comment
  HSC709  Luzula comosa William J. Ferlatte 1967-8-19 1038 Siskiyou S Fork of Salmon River, between campground and Carter's 1524 Comment
  UCR142987  Luzula parviflora L. C. Wheeler 1934-8-17 3184 Siskiyou Siskiyou Mtns., north side of White Mtn 1829 Comment
  SEINET3155226  Lythrum adsurgens G. D. Butler 1910-8-3 1811 Siskiyou Yreka Creek Comment
  RSA0015990  Lythrum californicum Louis C. Wheeler 1934-10-11 3316 Siskiyou Oak Knoll Ranger Station, Klamath River, Siskiyou Mountains. 671 Comment
  CAS-BOT-BC342672  Madia citriodora L. E. Detling 1950-6-11 6638 Siskiyou Siskiyou Pass 1127 Comment
  HSC2256  Madia elegans Geo. D. Butler 1910-5-19 1364 Siskiyou Yreka Comment
  HSC40203  Madia elegans J. P. Smith 1976-5-5 8680 Siskiyou Road between Sawyers Bar and Somes Bar 488 Comment
  UC89394  Madia elegans Brandegee 1887-7-1 Siskiyou Edgewood Comment
  SEINET11601317 Image available Madia elegans G. D. Butler 1910-5-27 1413 Siskiyou Near Yreka 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
  POM31388  Madia elegans subsp. elegans Geo D. Butler 1910-5-27 1413 Siskiyou Dry land near Yreka Comment
  JEPS94784  Madia exigua Vernon H. Oswald and Lowell Ahart 1998-7-21 9355 Siskiyou e of Grass Lake (ne of Weed and w of Bray on Old State Highway 0.8 mi e of Tennant Road); Old State Highway 1417 Comment
  CAS-BOT-BC343442  Madia gracilis Carl B. Wolf 1934-7-4 5939 Siskiyou Klamath River, Horse Creek - Dry Lake Lookout, Siskiyou Mts., 13 1/2 mi. from Horse Creek Bridge 1524 Comment
  RSA237498  Madia gracilis subsp. gracilis Frederick W. Oettinger 1968-9-9 805 Siskiyou Salmon Mountains; the high lake basins in the vicinity of English Peak, Marble Mountains Wilderness Area: between Lower Pond and Tobacco Lake, over a ridge 1921 Comment
  RSA136408  Mahonia aquifolium P. C. Everett, E. K. Balls 1959-10-23 23938 Siskiyou 5.4 mi. nw. from Trinity-Siskiyou Co. line, rd. from Trinity Center to Callaban. 1585 Comment
  HSC44852  Maianthemum racemosum subsp. amplexicaule J. P. Smith 1973-5-5 6465 Siskiyou Along Cook and Green Pass Rd. Comment
  RSA264978  Maianthemum racemosum subsp. amplexicaule G. L. Clifton 1975-7-28 s.n. Siskiyou Near Cook and Green Pass near the Seiad Valley 1646 Comment
  CAS-BOT-BC347359  Malacothrix floccifera Roxana S. Ferris; Laura Lorraine 1948-6-12 11756 Siskiyou French Creek Logging Road west of Callahan 1219 Comment
  RSA441246  Marah oregana L. C. Wheeler 1934-7-3 2861 Siskiyou Soda Creek, Sterling Mt. Siskiyou Mountains. (Mt. Diablo Mer.) 1676 Comment
  UCD134462  Matricaria discoidea A. A. Heller 1916-7-20 12461 Siskiyou Metcalf's Ranch, northeast base of Mt. Eddy in openings in the forest. 1188 Comment
  JEPS107440  Medicago lupulina Lowell Ahart, John Dittes 2005-6-10 12063 Siskiyou Along a poor dirt road, about 80 yards north of the pump house along the Shasta River, about 1.9 miles (air) south of Highway 99/97 Cutoff, about 6 miles (air) east-southeast of Grenada 776 Comment
  JEPS69296  Melica aristata Geo. D. Butler 811 Siskiyou Highland Mine 1828 Comment
  UC1738814  Melica aristata Dean Wm. Taylor, Glenn L. Clifton, R. Doug Stone 1987-8-5 9239 Siskiyou Porcupine Lake (a small vernal depression in an indurate lava flow) 1304 Comment
  UCD86255  Melica aristata A. A. Heller 1921-7-5 13563 Siskiyou Chico State College grounds. North of Sisson (Mt. Shasta City). Comment
  HSC21981  Melica fugax J. O. Sawyer 1969-7-9 1271 Siskiyou S facing upper slope above S Sugar Lake. 2378 Comment
  HSC644  Melica fugax William J. Ferlatte 1967-7-6 611 Siskiyou Dorleska summit. 2134 Comment
  RSA403522  Melica fugax M. B. Dunkle 1945-1 9361 Siskiyou Klamath National Forest, Marble Mountains. 1982 Comment
  SEINET10893690  Melica fugax A. Arthur Heller 1921-7-7 Heller 13568 Siskiyou Gravekky slope of Mt. Eddy south of Wagon creek, in Canadian zone. 1981 Comment
  UC1265411  Melica harfordii F. W. Oettinger 1969-8-3 1143 Siskiyou above English Lake (w Siskiyou Co.); Salmon Mtns 1828 Comment
  HSC22264  Melica subulata J. O. Sawyer 1969-8-1 1623 Siskiyou NE facing slope near Duck Lake Creek. 1799 Comment
  CHSC75728  Mentzelia albicaulis Vernon H. Oswald; Lowell Ahart 1999-7-5 9798 Siskiyou Gazell-Callahan Hwy. 9.0 mi west of Gazelle. 914 Comment
  HSC67936  Micropus californicus var. californicus J. P. Smith 1973-5-5 6529 Siskiyou Scott Bar along the Scott River Comment
  CAS-BOT-BC322663  Microseris laciniata Alice Eastwood; John Thomas Howell 1936-6-13 2755 Siskiyou 6 miles n. of Weed Comment
  JEPS100497  Microseris laciniata subsp. detlingii Dean W. Taylor 1999-6-9 17237 Siskiyou Agate Flat, 0.3 miles S of Oregon State Line 1005 Comment
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Feb 26 2006
  POM35781  Microseris laciniata subsp. laciniata Geo D. Butler 1910-5-28 1420 Siskiyou Shasta Valley Comment
  CAS-BOT-BC349375  Microseris nutans Wm. Bridge Cooke 1938-7-1 11140 Siskiyou Mount Shasta. Below Wagon Camp Comment
  CDA8393  Microseris nutans T. C. Fuller 1962-6-13 8979 Siskiyou Road to Medicine Lake & Toad Lake, 6 miles northeast of Bartle. 0 Comment
  HSC30212  Microsteris gracilis William J. Ferlatte 1968-6-8 1135 Siskiyou Big Flat, wooded area near public camp 1524 Comment
  JEPS120238  Mimulus Julie Kierstead Nelson with Brenna Montagne 2012-9-10 2012 -098 Siskiyou Coonrod Flat, east side of Mount Shasta Comment
  HSC22473  Mimulus breweri J. O. Sawyer 1969-7-1 994 Siskiyou SE slope above Paynes Lake Creek 1921 Comment
  RSA14130  Mimulus cardinalis Elmer I. Applegate 1923-9-6 3978 Siskiyou Doggett Creek, Klamath River. Comment
  JEPS94070  Mimulus floribundus Vernon H. Oswald and Lowell Ahart 1998-7-21 9347 Siskiyou n.e. Weed (e. of Grass Lake on s. side of Tennant Rd. 0.2 mi. s.e. of Old State Hwy. to Bray and on the e. side of the intermittent stream draining Dry Lake) 1402 Comment
  POM43496  Mimulus floribundus Geo. D. Butler 1910-6-22 1599 Siskiyou Yreka Creek. Comment
  RSA211429  Mimulus guttatus William J. Ferlatte 1966-8-17 401 Siskiyou Northwest side of Caribou Mountain. 1982 Comment
  UC917313  Mimulus inodorus R. Tofsrud and J. M. Tucker 1948-8-3 1778 Siskiyou 3 mi (by road) below summit Happy Camp to Waldo (Oregon) road Comment
  UC54647  Mimulus layneae H. M. Hall and E. B. Babcock June, 1903 4038 Siskiyou below Dunsmuir; Sierra Nevada Mountains 609 Comment
  SEINET515850  Mimulus mephiticus Vernon Oswald 1997-7-28 8774 Siskiyou Forest Route 49 (Powder Hill Rd.) at 41N03 (to Porcupine Butte), 16 mi. S of Medicine Lake. 1366 Comment
  HSC61894  Mimulus moschatus Ruby Van Deventer 1939-7-18 Siskiyou Poker Flat 1585 Comment
  JEPS86951  Mimulus nanus var. nanus David M. Thompson 1988-6-5 933 Siskiyou 10.0 mi ne Weed (along Hwy 97, nw side of road) 1150 Comment
  UC1409382  Mimulus nanus var. nanus Frederick W. Oettinger 1967-8-5 948 Siskiyou nw Lower English Lake (High Lakes Basin in the vicinity of English Peak); Salmon Mountains, Marble Mountain Wilderness Area 1828 Comment
  UC454789  Mimulus primuloides I. J. Condit 1909-8-22 Siskiyou Sisson Comment
  JEPS3166  Mimulus primuloides subsp. linearifolius George D. Butler 1908-8-4 452 Siskiyou head Shackleford Creek 1676 Comment
  RSA59504  Mimulus suksdorfii E. K. Balls 1950-5-16 14710 Siskiyou Caldwell Butte, east slope. Lava Beds National Monument. 1646 Comment
  HSC42964  Minuartia douglasii J. O. Sawyer, K. T. Stillman 1976-5-29 2754 Siskiyou Along Specimen Creek. 884 Comment
  RSA423560  Minuartia douglasii Christopher Davidson 1975-6-5 2662 Siskiyou Just above gate on special service rd branching SE off rd from Gazelle to Callahan 9.3 mi. W of Gazelle. 1471 Comment
  CAS-BOT-BC174736  Minuartia nuttallii A. A. Heller 1915-8-26 12219 Siskiyou Near the source of Wagon Creek, Mt. Eddy 2590 Comment
  UC852410  Minuartia nuttallii subsp. gregaria A. A. Heller 1916-7-22 12492 Siskiyou Mt. Eddy; e side Comment
  CAS-BOT-BC94471  Minuartia nuttallii subsp. nuttallii R. C. Wenk 2005-7-19 336 Siskiyou Along Pacific Crest Trail, near top of pass below Mt. Eddy 2438 Comment
  CAS-BOT-BC181110  Minuartia nuttallii var. gregaria C. L. Hitchcock; J. S. Martin 1939-7-7 5279 Siskiyou 1/2 mile below Sanger Peak Lookout 1524 Comment
  CHSC118449  Minuartia nuttallii var. gregaria Julie Kierstead Nelson; Martin Lenz, Rhonda Posey, Brenna Montagne 2016-6-9 2016 -026 Siskiyou Lower Parks Creek watershed, E Klamath Range; Pinus jeffreyi-Calocedrus decurrens woodland on ultramafic clay soil, slope above Forest Service Road 42N19, 3 miles northwest of Stewart Springs. UTM NAD 83 Zone 10, 539095m E, 4586836m N. 1485 Comment
  SEINET5336978  Minuartia pusilla G. Butler 1910-4-23 1232 Siskiyou Quartz Valley Comment
  NY8430  Minuartia stolonifera T. W. Nelson 1985-6-19 7839 Siskiyou T40N R8W, Sec. 24. Along S side of State Route 3, 3.1 mi N of Scott Moutnain Pass. Rocky openings in Jeffery Pine woodland on serpentine. 4000 ft. Comment
  CAS-BOT-BC433014  Mitella diversifolia Ira L. Wiggins 1955-7-24 13481 Siskiyou On China Creek 1158 Comment
  CAS-BOT-BC433019  Mitella diversifolia Clarence R. Quick 1959-6-19 59 -18 Siskiyou 6.7 miles south of Four Corners on ridge south-east of Seiad Valley Comment
  HSC29453  Mitella pentandra Frederick W. Oettinger 1969-7-10 954 Siskiyou Marble Mtn. Wilderness Area, along inlet brook to Upper English Lake 1799 Comment
  UC637056  Mitella trifida Edward Lee 1934-8-13 1082 Siskiyou Happy Camp-Waldo (Oregon) Road Klamath Nat. For., West Branch of Indian Creek watershed 1463 Comment
  UC166144  Moehringia macrophylla Geo. D. Butler 1908-8-5 27 Siskiyou West Fork of Woolly Creek Comment
  HSC24689  Monardella glauca J. O. Sawyer 1969-8-1 1674 Siskiyou SE facing slope above Duck Lake Creek 1951 Comment
  CAS-BOT-BC222034  Monardella odoratissima subsp. glauca Peter H. Raven 1956-9-4 10379 Siskiyou Ridges s. of Mt. Eddy 2286 Comment
  HSC67815  Monardella odoratissima subsp. pallida J. O. Sawyer, J. Cole 1980-7-20 3788 Siskiyou S of Grouse Hill, at N base of Badger Peak 2146 Comment
  RSA12593  Monardella odoratissima subsp. pallida Carl B. Wolf 1934-7-6 5993 Siskiyou 3 mi. from Mt. Shasta City on Wagon Camp Road. SW slope of Mt. Shasta. 1220 Comment
  CAS-BOT-BC26176  Monardella ovata H. E. Brown 1897-6-1 381 Siskiyou near Sisson 1082 Comment
  CAS-BOT-BC220235  Monardella sheltonii Alice Eastwood; John Thomas Howell 1940-6-14 824 Siskiyou Lava Beds Nat. Mon. near Indian Well Comment
  CAS-BOT-BC220265  Monardella sheltonii Carl B. Wolf 1927-8-27 1129 Siskiyou On the Klamath River, 7 mi. below Happy Camp Comment
  SEINET10829416  Monardella siskiyouensis A. Graff 1993-7-24 Graff 355 Siskiyou Klamath National Forest. Hwy. 96, .45-2.8 miles east from junction with Hwy. 263, on right roadside. Infrequent on bare serpentine. End of bloom. Comment
  CAS-BOT-BC453476  Monotropa hypopitys Elmer I. Applegate 1923-8-18 3855 Siskiyou West slope of Redshale Mountain, east of Medicine Lake 2133 Comment
  RSA238382  Monotropa hypopitys Frederick W. Oettinger 1968-8-7 430 Siskiyou Forest at base camp mid trail betw Diamond Lake & Hancock Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2012 Comment
  CHSC88108  Montia chamissoi Jenny Marr 1993-7-1 118 Siskiyou Butte Valley Wildlife Area, +/- 7 air miles NW of the town of MacDoel. Meadow NW of Meiss Lake. 1349 Comment
  HSC48340  Montia chamissoi Maralyn O'Meara 1974-5-25 414 Siskiyou On Rd. 8, ~4.7 mi. W of junction with Hwy. 3 1159 Comment
  HSC78183  Montia chamissoi L. P. Janeway 1983-7-17 422 Siskiyou Poker Flat, upper portion of meadow 1524 Comment
  UC1190110  Montia parvifolia Ira L. Wiggins 1955-7-27 13524 Siskiyou Salmon-Trinity Alps Primitive Area, Caribou Lake Caribou Lake; Salmon-Trinity Alps Primitive Area, Caribou Lake 2042 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
  RSA238301  Montia parvifolia Frederick W. Oettinger 1968-8-5 399 Siskiyou Mount Hemlock Forest, Shasta Ridge, between Diamond Lake and English Peak. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2073 Comment
  CHSC71288  Myosotis discolor Vernon H. Oswald; Lowell Ahart 1998-6-11 9211 Siskiyou Old State Hwy. 0.5 mi west of Bray, ca. 10 air mi east of Grass Lake located on Hwy. 97, ca. 23 air mi northeast of Weed. Along a roadside ditch on the edge of the meadow. 1414 Comment
  UC9332  Myosurus minimus Mrs. R. M. Austin June, 1894 Siskiyou Pot Hole Springs Comment
  HSC65668  Nama lobbii Donald W. Miles 1979-7-28 28 Siskiyou Jct. of logging spur rd. and Harris Springs Rd., 12 mi. NE of Bartle 1439 Comment
  SD104873  Nama lobbii Darley F. Howe 1979-6-26 Siskiyou Road 1.0 mile north of Highway 89, 3.0 miles east of McCloud. 945 Comment
  UC107202  Nama lobbii Wm. M. Canby in company with Profs. C. S. Sargent and John Muir 1897-9-7 207 Siskiyou Mt. Shasta Comment
  UC455933  Nama lobbii I. J. Condit 1911-7-28 Siskiyou Shasta Retreat Castle Lake to Mt. Bradley (Castle Lake to Mt. Bradley) 1981 Comment
  CAS-BOT-BC516029  Narthecium californicum Elizabeth McClintock; Wayne Roderick; Martha Roderick 1967-7-28 s.n. Siskiyou Gumboot Lake, Trinity Mts, 1828 Comment
  RSA105499  Nasturtium officinale G. D. Barbe 1955-6-29 30 Siskiyou 1 mile east of Callahan 976 Comment
  HSC19230  Navarretia capillaris J. O. Sawyer 1969-7-1 987 Siskiyou Above Paynes Lake Creek 1951 Comment
  UC455653  Navarretia intertexta I. J. Condit 1911-7-7 Siskiyou Shasta Retreat Comment
  POM74489  Navarretia intertexta Edward Palmer 1892-7-13 2451 Siskiyou Mt. Shasta and vicinity. Comment
  CAS-BOT-BC230561  Nemophila parviflora var. austiniae Geo. D. Butler 1910-4-24 1231 Siskiyou Quartz Valley Comment
  RSA14376  Nicotiana bigelovii Elmer I. Applegate 1923-9-5 3939 Siskiyou Diablo Spring, Klamath River, 12 mile below mouth of Shasta River. Comment
  RSA478854  Nitrophila occidentalis L. C. Wheeler 1934-10-21 3341 Siskiyou Shasta Valley 8 miles NE of Gazelle. 869 Comment
  HSC68338  Noccaea fendleri subsp. glauca Maralyn A. Renner 1980-6-26 1230 Siskiyou SE edge of Flint Valley. 1390 Comment
  CAS-BOT-BC349914  Nothocalais alpestris Gilbert Muth 1966-7-14 389 Siskiyou Flat above Marble Valley, Marble Gap Trail, Marble Mts. 1828 Comment
  HSC19106  Nothochelone nemorosa J. O. Sawyer 1969-8-1 1626 Siskiyou NE facing slope above Duck Lake Creek 1921 Comment
  HSC58839  Nothochelone nemorosa Marvin Butler 1971-7-29 228 Siskiyou Near El Capitan Lake, close to the town of Cave Junction 1524 Comment
  UCR246789  Notholithocarpus densiflorus Matt K. Beyers 2010-8-18 691 Siskiyou Klamath Ranges, Siskiyou Mountains, O'Brien-Happy Camp Road, 1 mi above road to Kelley Lake, c. 2 mi above West Branch Campground Comment
  RSA0013797  Nuphar lutea subsp. polysepala Frederick W. Oettinger 1968-8-12 488 Siskiyou Pond due W of the W cove of Hancock Lake. Salmon Mountains. High Lake Basins in the vicinity of English Peak, Marble Mountain Wilderness Area. 1936 Comment
  HSC22484  Nuphar polysepala J. O. Sawyer 1969-8-1 1594 Siskiyou Above Horseshoe Lake 1921 Comment
  CHSC1156  Oenothera elata subsp. hirsutissima W. Gorsuch 1935-7-21 Siskiyou Along highway near Mt. Shasta City. 1097 Comment
  HSC64497  Oenothera elata subsp. hookeri J. P. Smith, Steve Selva 1970-7-16 4407 Siskiyou Beaver Creek Campground. 823 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
  RSA0059425  Orobanche fasciculata Frederick W. Oettinger 1969-7-28 1092 Siskiyou HIgh lake basins in the vicinity of English Peak. Marble Mountain Wilderness Area. Hairpin switchback along trail from Tom Taylor Cabin to Pine Lake. 2004 Comment
  RSA0076584  Orobanche fasciculata Frederick W. Oettinger 1968-8-16 530 Siskiyou S-facing slope of Little Medicine Mountain near the open summit, due north of Hancock Lake. Comment
  UC1333300  Orthilia secunda Dorothy Parker 1949-6-26 Siskiyou Etna Creek, Salmon Mountains Range 1207 Comment
  UC166594  Orthilia secunda Geo. D. Butler 1908-8-4 57 Siskiyou Head of Shackleford Creek Comment
  CAS-BOT-BC458081  Orthilia secunda W. R. Dudley 1899-8-24 s.n. Siskiyou Craggy Peak at Spring Comment
  CAS-BOT-BC458088  Orthilia secunda A. A. Heller 1914-8-28 11743 Siskiyou Mt. Eddy, east side 1828 Comment
  UCSB21963  Orthocarpus cuspidatus subsp. copelandii Hardham, Clare 1961-7-3 Siskiyou Scott Mts. south of Calahan Comment
  JEPS25816  Osmorhiza berteroi Geo. D. Butler 1908-8-7 462 Siskiyou Whiskey Camp Independence Creek 1676 Comment
  CAS-BOT-BC94388  Osmorhiza occidentalis R. C. Wenk 2005-6-17 167 Siskiyou Trinity Alps, South Fork of the Salmon River, near Big Flat Campground at the southern end of Big Flat Meadow 1517 Comment
  RSA459027  Osmorhiza occidentalis L. C. Wheeler 1934-8-16 3166 Siskiyou Siskiyou Mountains: 2 mi. east of White Mt. (Mt. Diablo Mer.) 1920 Comment
  UCD127817  Oxypolis occidentalis A. A. Heller 1915-8-24 12204 Siskiyou Metcalf's ranch, northeast base of Mount Eddy. 1188 Comment
  CAS-BOT-BC316749  Packera cana Elmer Ivan Applegate 1923-8-18 3868 Siskiyou Top of Redshale Mt., east of Medicine Lake, Siskiyou Co. 2438 Comment
  HSC26487  Panicum acuminatum var. fasciculatum J. P. Smith, Steve Selva 1970-7-16 4395 Siskiyou Along Klamath River, 2 mi. W of Seiad Creek 518 Comment
  UCSC004606  Panicum acuminatum var. fasciculatum Randall Morgan 2004-5-31 4179 Siskiyou Castle Crags State Park, Sacramento River, Middle Creek Comment
  CAS-BOT-BC422854  Papaver rhoeas John Thomas Howell 1952-6-14 28357 Siskiyou 2 miles west of Gazelle Comment
  UC642576  Parnassia californica W. Bridge Cooke 1939-8-24 13898 Siskiyou Mount Shasta, area of Squaw Valley Creek meadows Mount Shasta 2286 Comment
  CAS-BOT-BC202838  Paxistima myrsinites Roxana S. Ferris; Laura Lorraine 1948-6-12 117722 Siskiyou About 7 miles from Etna on Forks of Salmon Road 1818 Comment
  CAS-BOT-BC202842  Paxistima myrsinites H. A. Thomas; J. H. Thomas 1954-7-23 4466 Siskiyou Salmon - Trinity Mts. About 6 miles SE of Cecilville. Vicinity of Blind Horse Creek 1036 Comment
  CAS-BOT-BC202847  Paxistima myrsinites Alice Eastwood 1917-9-2 6681 Siskiyou Shasta Springs Comment
  OBI17366  Paxistima myrsinites H. E. McMinn 1931-6-27 2514 Siskiyou Shasta City Comment
  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
  RSA237261  Paxistima myrsinites Frederick W. Oettinger 1968-8-24 626 Siskiyou By New York Flumes about 10 min. down-stream from Tom's Lower Pond; Tom's Lake Basin. Salmon Mountains. High Lake Basin in the vicinity of English Peak. Marble Mountain Wilderness Area. 1829 Comment
  UCD107438  Paxistima myrsinites D. Sanchez-Mata 1997-9-18 s.n. Siskiyou Mount Shasta-Lake Siskiyou-Gumboot Lake. South Fork (Sacramento River) Road. 1340 Comment
  JEPS124777 Image available Paxistima myrsinites Lynne C. Carter 1967-7-12 102 Siskiyou ca. 1/4 mile west of entrance to Fowler Campground. On rocky cliff above McCloud River. Comment
  POM15605  Pedicularis attollens E. B. Copeland 1903-8-18 3901 Siskiyou Mt. Eddy. Comment
  HSC688  Pedicularis contorta William J. Ferlatte 1967-8-20 1064 Siskiyou Caribou Basin 1982 Comment
  JEPS74420  Pedicularis contorta W. J. Ferlatte 1966-8-17 397 Siskiyou Caribou Basin; Trinity Alps 1981 Comment
  SEINET12270418  Pedicularis groenlandica H. P. Chandler 1901-1 1561 Siskiyou Ridges and Meadows near Marble Mtn 1829 Comment
  UCR37853  Pedicularis racemosa K. T. Stillman 1976-7-21 271 Siskiyou Marble Mountain Wilderness Area 1982 Comment
  RSA183699  Pedicularis racemosa Gilbert Muth 1965-8-3 159 Siskiyou Marble Valley, Marble Mtns. Comment
  RSA211402  Pedicularis racemosa William J. Ferlatte 1966-8-19 443 Siskiyou Kidd Creek Trail. Trinity Alps. 1890 Comment
  CAS-BOT-BC67677  Pellaea brachyptera Doris K. Kildale 1928-7-4 5495 Siskiyou Summit of divide between Salmon river and Scott Valley. Comment
  CAS-BOT-BC67689  Pellaea brachyptera Geo. D. Butler 1908-7-20 248 Siskiyou Humbug Mountain Comment
  CAS-BOT-BC67684  Pellaea brachyptera Louis C. Wheeler 1934-6-21 75592 Siskiyou Klamath National Forest - W. fork of Cottonwood Cr. 1371 Comment
  POM211337  Pellaea brachyptera L. C. Wheeler 1934-8-15 3157 Siskiyou Siskiyou Mountains: East Fork Horse Creek. 1524 Comment
  RSA686824  Pellaea breweri M. B. Dunkle 1945-1 9216 Siskiyou Canyon Creek. Klamath National Forest, Marble Mtns. Comment
  CAS-BOT-BC67669  Pellaea breweri Gilbert Muth 1966-8-3 163 Siskiyou Marble Mountains 1792 Comment
  RSA0037167  Penstemon John F. Emmel 1993-7-25 1275 Siskiyou Curtis Meadows, along McCloud River, SE of Bartle. 1207 Comment
  HSC69024  Penstemon anguineus Maralyn A. Renner 1980-7-28 2193 Siskiyou E spur of Kangaroo Mtn., near ridge 1890 Comment
  UC1012498  Penstemon anguineus Francis W. Pennell 1940-7-17 26175 Siskiyou w Etna (northeastern slope Salmon Mts.); , w of Etna 1981 Comment
  UC164351  Penstemon anguineus Geo. D. Butler 1908-7-20 935 Siskiyou Highland Mine Comment
  JEPS84306  Penstemon anguineus L. R. Heckard with S. D'Alcamo, J. Hickman, S. Winchester 1986-7-16 6404 Siskiyou ca 5 mi n of the town Seiad Valley; Cirque at head Hell's Canyon, n of Seiad Valley 1750 Comment
  CAS-BOT-BC265385  Penstemon davidsonii var. davidsonii Louis C. Wheeler 1934-8-5 3044 Siskiyou Condrey Mountain, Siskiyou Mountains 2164 Comment
  UC1751242  Penstemon davidsonii var. davidsonii Annie M. Alexander and Louise Kellogg 1911-6-28 201 Siskiyou Wildcat Creek Comment
  UC618698  Penstemon davidsonii var. davidsonii W. Bridge Cooke 1938-8-18 11493 Siskiyou Horse Camp slopes Mount Shasta 2438 Comment
  HSC19139  Penstemon deustus J. O. Sawyer 1969-6-13 1110 Siskiyou Slope above Little Duck Lake 2134 Comment
  SBBG26862  Penstemon deustus M. Ownbey, R. Ownbey 1938-7-19 1750 Siskiyou 2.5 mi NW of Dry Lake Lookout, summit of the Siskiyou Mtns Comment
  OBI9277  Penstemon gracilentus Carl B. Wolf 1937-8-8 9083 Siskiyou SW side of Mt. Shasta, along John S. Everett Memorial hwy 2134 Comment
  NY600718  Penstemon gracilentus E. K. Balls 1952-10-13 18192 Siskiyou Mt. Shasta, 10.4 miles northeast of town of Mt. Shasta on John Everitt Memorial Highway up the mountain 1828.8 Comment
  JEPS11463  Penstemon heterodoxus var. shastensis W. L. Jepson 1940-7-3 20106 Siskiyou (5 mi se Bartle) (Large meadow.); Big Bear Flat 1219 Comment
  HSC72494  Penstemon heterophyllus J. P. Smith, Steve Selva 1970-6-16 4017 Siskiyou 4 mi. from Hwy. 3 on Rd. 8 to Sugar Creek 1159 Comment
  JEPS116584  Penstemon laetus Julie Kierstead Nelson with Rhonda Posey 2007-6-15 2007 -016 Siskiyou North side of Mt. Shasta, south of Hwy 97, along Forest Service Rd. 42N15 Weed (unburned area witin Hotlum Fire perimeter burned Feb 2006; 4 mi NE of town of); Mt. Shasta 1219 Comment
  RSA0006172  Penstemon laetus subsp. sagittatus H. E. Brown 1897-6-11 360 Siskiyou North side, Mt. Shasta. 1524 Comment
  NY604563  Penstemon laetus var. sagittatus A. A. Heller 1938-7-12 15256 -a Siskiyou Along U.S. Highway 97, near the western base of Deer Mountain Comment
  POM252934  Penstemon laetus var. sagittatus A. A. Heller 1938-7-12 15256 Siskiyou Along HS Hwy 97, 16 miles northeast of Weed. Comment
  UC1238952  Penstemon laetus var. sagittatus Freed W. Hoffman 1948-7-8 2566 Siskiyou on Klamath River road 19.7 mi e Happy Camp; North Coast Ranges, Klamath River Road Comment
  RSA211394  Penstemon newberryi William J. Ferlatte 1967-8-23 1100 Siskiyou Head of Kidd Creek. 2134 Comment
  RSA401783  Penstemon newberryi Louis C. Wheeler 1934-8-5 3044 Siskiyou Condrey Mt., Siskiyou Mts. Mt. Diablo Mer. 2165 Comment
  UCD124310  Penstemon newberryi A. H. Murphy 1959-7-22 59 P Siskiyou Shasta National Forest, Porcupine Lake. 2286 Comment
  HSC2407  Penstemon newberryi subsp. berryi William J. Ferlatte 1966-8-5 333 Siskiyou Caribou Mtn. 2470 Comment
  HSC76744  Penstemon newberryi subsp. berryi K. T. Stillman 1976-7-15 263 Siskiyou Marble Mtn. Wilderness Area 1951 Comment
  NY627431  Penstemon newberryi var. berryi L. C. Wheeler 1935-6-27 3605 Siskiyou Head of Etna Creek, Marble Mountains 1798.3 Comment
  UC163816  Penstemon newberryi var. berryi Geo. D. Butler 1909-7-15 936 Siskiyou Highland Mine Comment
  NY627305  Penstemon newberryi var. newberryi E. B. Copeland 1903-7-17 3510 Siskiyou Mt. Shasta 1828.8 Comment
  UC335593  Penstemon newberryi var. newberryi unknown Aug. 1878 Siskiyou Shasta Comment
  NY629979  Penstemon parvulus D. D. Keck 1938-8-6 4820 Siskiyou At Del Norte Co. line, Poker Flat, summit of Siskiyou Mountains, 4 miles south of Oregon line, on road from Waldo to Happy Camp. 1554.5 Comment
  UC164348  Penstemon parvulus Geo. D. Butler 1910-7-8 1669 Siskiyou Shackleford Creek 1371 Comment
  JEPS23805  Penstemon parvulus Rimo Bacigalupi with Mr. and Mrs. Van Deventer 1959-7-10 7314 Siskiyou at ridge-top marking Del Norte-Siskiyou County line which is followed by jeep road between Poker Flat and Twin Valley; Siskiyou Mts., bet Poker Flat and Twin Valley 1664 Comment
  HSC61155  Penstemon procerus var. brachyanthus Al Hobart 1967-8-8 Siskiyou El Capitan Comment
  NY638943  Penstemon procerus var. brachyanthus J. T. Howell 1939-8-8 15184 Siskiyou Marble Mountains Comment
  CAS-BOT-BC94403  Penstemon purpusii R. C. Wenk 2005-7-15 201 Siskiyou Trinity Alps, above South Fork of the Salmon River, along the Yellow Rose Mine trail 1645 Comment
  UC909324  Penstemon roezlii Dorothy Parker 1948-6-14 Siskiyou Rail Creek , Rail Creek (Plowman's Valley) 1203 Comment
  POM44448  Penstemon roezlii Geo. D. Butler 1910-6-9 1579 Siskiyou Foothills of the Goosenest Mtns. Comment
  HSC101872  Penstemon rupicola R. D. Whittlesey 2013-6-4 2 Siskiyou Near Castella: 3.1 mi. north from State Park entrance up Castle Dome Trail. 1187 Comment
  UC722171  Penstemon rupicola C. L. Hitchcock, J. S. Martin 1939-7-7 5292 Siskiyou Sanger Peak Comment
  CAS-BOT-BC239415  Penstemon rupicola C. L. Hitchcock; J. S. Martin 1939-7-6 5231 Siskiyou Peak above and north of Divide of Siskiyou Mts., on Takilma-Happy Camp road 1828 Comment
  UC722467  Penstemon rupicola C. L. Hitchcock and J. S. Martin 1939-7-6 5231 Siskiyou on Takilma - Happy Camp road (peak above and n of Divide of Siskiyou Mts.); peak above and n of Divide of Siskiyou Mts. 1828 Comment
  RSA233702  Penstemon shastensis Robert F. Thorne, Frederick W. Oettinger 1969-8-10 38971 Siskiyou Mt. Shasta National Forest: S slope of Mt. Shasta, Panther Creek Meadows. 2195 Comment
  RSA401884  Penstemon speciosus Edwin Kline 1920-6-20 s.n. Siskiyou Siskiyou Mtns. Comment
  SEINET10950522  Penstemon speciosus A. Arthur Heller 1916-6-23 Heller 12424 Siskiyou Open places in the yellow pine-belt in coarse sandy soil near Black Butte north of Sisson. 1128 Comment
  RSA237652  Perideridia gairdneri subsp. gairdneri Frederick W. Oettinger, R. Thorne 1969-8-8 1304 Siskiyou In boggy meadow below Sundew Bog upper bog holes just west of English Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1829 Comment
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Jun 12 2012
  CAS-BOT-BC222750  Perideridia leptocarpa Clifton; Ground 1978-7-12 2026 Siskiyou Near Crawford Creek Guard Station, close to the town of Forks of Salmon 762 Comment
  UC1258150  Perideridia leptocarpa Clifton and Ground 1978-6-27 1458 Siskiyou close to town Callahan (near Wildcat Creek); Etna Quad., near Wildcat Creek 1098 Comment
  SEINET13945007 Image available Perideridia leptocarpa L. Constance, T. I. Chuang 1967-1 3802 Siskiyou West-facing slope above Trinity River, 5 mi NW of Cecilville, alt. 2500 ft 762 Comment
  UCR52566  Perideridia oregana 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
  UC1114763  Perideridia parishii subsp. latifolia W. Bridge Cooke 1956-7-19 30310 Siskiyou below Wagon Camp; Mount Shasta 1706 Comment
  HSC43050  Persicaria lapathifolia K. T. Stillman 1976-8-24 441 Siskiyou Along the Klamath River at Williams Point 366 Comment
  JEPS57181  Phacelia corymbosa L. R. Heckard 1967-8-13 1694 Siskiyou s-facing slope near summit Mt. Eddy 2712 Comment
  UC722560  Phacelia corymbosa C. L. Hitchcock and J. S. Martin 1939-7-6 5223 Siskiyou on peak above and n Divide of Siskiyou Mts. (on Takilma-Happy Camp rd) 1828 Comment
  RSA30619  Phacelia egena Lincoln Constance, R. C. Rollins 1942-5-14 2928 Siskiyou Shasta River, 4 miles north of Yreka. 762 Comment
  JEPS2787 Image available Phacelia frigida W. L. Jepson 1894-8-4 21042 Siskiyou Mt. Shasta Comment
  HSC43871  Phacelia greenei Jennifer Whipple 1977-4-30 1885 Siskiyou 915 Comment
  HSC75157  Phacelia greenei Unknown Siskiyou 1433 Comment
  SD53387  Phacelia hastata subsp. compacta Darley F. Howe 1962-8-4 3391 Siskiyou Near summit of Baldy Mt. 1737 Comment
  SEINET5763832  Phacelia heterophylla G. D. Butler 1910-5-7 1300 Siskiyou Near Yreka Comment
  UC1181205  Phacelia leonis Rimo Bacigalupi with Mr. and Mrs. Van Deventer and Don Liles 1959-7-10 7296 Siskiyou just e Del Norte County line (about 4 mi nne of Preston); Siskiyou Mts., Twin Valley, watershed of Indian Creek 1493 Comment
  UC511922  Phacelia linearis Frank W. Peirson 1923-7-19 3818 Siskiyou 20 mi n Bray Comment
  SEINET3158194  Phacelia magellanica f. virgata G. D. Butler 1910-5-7 1300 Siskiyou Dry hills near Yreka Comment
  HSC19147  Phacelia mutabilis J. O. Sawyer 1969-8-1 1667 Siskiyou SE facing slope above Duck Lake Creek 1951 Comment
  UC923133  Phacelia mutabilis Freed W. Hoffman 1950-7-13 3337 Siskiyou Baldy Mountain Lookout North Coast Ranges (w Siskiyou Co.) 1737 Comment
  UC107461  Phacelia pringlei J. G. Lemmon and wife Sept. 1879 Siskiyou near Mt. Shasta Comment
  RSA755540  Phacelia pringlei Barbara Ertter, Julie Kierstead, Jim Nelson 1990-7-15 9371 Siskiyou ca 1 mile east of Toad Lake at head of Middle Fork Sacramento River, ca. 8 air miles west of Mount Shasta City. 1982 Comment
  RSA759840  Philadelphus lewisii Robert F. Thorne 1969-8-2 63398 Siskiyou Klamath Nat'l Forest, Salmon Mountains: Marble Mtn Wilderness, trail to English Peak, along N fork of Salmon River at Cedars 1159 Comment
  UC570849  Philadelphus lewisii Dorothy Tebbe 1929-7-9 28 Siskiyou White's Gulch Salmon Mountains, Salmon River Comment
  CAS-BOT-BC250789  Phleum alpinum Wm. Bridge Cooke 1938-7-15 11202 Siskiyou Mount Shasta. Bear Springs Comment
  CHSC69102  Phleum alpinum Vernon Oswald; Lowell Ahart 1997-7-28 8788 Siskiyou Southeast of Medicine Lake on road 43N54 at a meadow 0.6 mi southeast of Paynes Springs. 1920 Comment
  RSA186330  Phleum alpinum Gilbert Muth 1966-10-16 25 Siskiyou Marble Mountains 1793 Comment
  UC106962  Phlox austromontana Harley P. Chandler Jun 1901 1591 Siskiyou near Marble Mountain; North Coast Ranges 2133 Comment
  UC1409303  Phlox austromontana Frederick W. Oettinger 1969-7-10 964 Siskiyou s of Upper English Lake; Salmon Mountains, Marble Mountain Wilderness Area 1920 Comment
  UCSB27391  Phlox diffusa Wilken, Dieter 1969-7-26 Siskiyou Above smnmit of Mt. Shasta Ski Bowl Road; south slope of Mt. Shasta 3200 Comment
  HSC110  Phlox diffusa William J. Ferlatte 1967-6-27 536 Siskiyou Big Flat, near public campground 1524 Comment
  RSA237378  Phlox diffusa Frederick W. Oettinger 1967-7-7 156 Siskiyou Big Blue Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2073 Comment
  RSA120867  Phlox diffusa subsp. diffusa Wagnon 1957-8-11 1703 Siskiyou East slope of Mt. Shasta in meadow ca. 1 mile west of Military Pass Road along road to Brewer Cr. Comment
  RSA59497  Phlox diffusa subsp. diffusa N. N. Thompson 1950-5-16 14713 Siskiyou About Indian Wells Ranger Station (mostly above), Lava Beds National Monument 1555 Comment
  UC163991  Phlox gracilis Geo. D. Butler 1910-3-28 1148 Siskiyou Yreka Comment
  CAS-BOT-BC232824  Phlox hirsuta L. E. Smith 1913-4-20 639 Siskiyou Yreka Comment
  UC1037413  Phlox hoodii subsp. canescens Douglas Barbe 1955-8-5 363 Siskiyou nw of Caribou Mountain (at the summit of the trail from Big Flat to Caribou Lake); Klamath Mountains, Salmon Mountains 2407 Comment
  HSC36889  Phlox speciosa subsp. occidentalis J. P. Smith 1974-5-26 7550 Siskiyou Along FS Rd. 47N03 1524 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
  UC585233  Phlox speciosa subsp. occidentalis E. B. Babcock, G. L. Stebbins Jr. 1936-6-11 1915 Siskiyou about 7 mi sw Yreka (Forest House Mt., s of highway from Yreka to Fort Jones); Forest House Mt. 1371 Comment
  CAS-BOT-BC135022  Phoradendron bolleanum L. E. Smith 1914-3-19 s.n. Siskiyou Yerka Comment
  CAS-BOT-BC135027  Phoradendron bolleanum Louis C. Wheeler 1934-6-26 2789 Siskiyou Hornbrook 731 Comment
  POM165888  Phoradendron densum E. B. Copeland 1903-7-7 3542 Siskiyou Hornbrook. Comment
  HSC30282  Phoradendron juniperinum William J. Ferlatte 1969-6-25 1184 Siskiyou Big Flat 1524 Comment
  UC163742  Phoradendron villosum Geo. D. Butler 1908-7-4 276 Siskiyou Shasta R. Comment
  CAS-BOT-BC56503  Phyllodoce empetriformis J. W. Congdon 1900-8-13 s.n. Siskiyou Mt. Shasta Comment
  CAS-BOT-BC56506  Phyllodoce empetriformis W. B. C. 1938-7-21 11291 Siskiyou Panther Creek Meadow 2286 Comment
  HSC91335  Phyllodoce empetriformis Jennifer Whipple 1976-6-30 1212 Siskiyou Wagon Creek drainage near Wagon Creek 2195 Comment
  SFV2670  Phyllodoce empetriformis J. Major 1961-7-14 633 Siskiyou Mount Shasta, Panther Meadows Campground. 2271 Comment
  UC61670  Phyllodoce empetriformis Geo. B. Grant Sept, 1902 5122 Siskiyou Mount Shasta, Horse Camp Mount Shasta; , Horse Camp 2438 Comment
  LA208020  Physocarpus capitatus Louis C. Wheeler; 1934-7-5 2877 Siskiyou Siskiyou Mountains, Beaver Creek at Dear Creek 975 Comment
  RSA537377  Physocarpus capitatus Walter Wisura, J. Romero 1991-10-17 4596 Siskiyou 1.5 mi up Sugar Creek Rd, N of Callahan. Comment
  CDA493  Picea breweriana G. Fred Hrusa 1998-7-5 14675 Siskiyou Happy Camp- O Brien Rd; S side below summit. Comment
  HSC4813  Picea breweriana J. O. Sawyer 1968-9-13 711 Siskiyou W of the Happy Camp/O'Brien Rd. between Louse Creek and Indian Creek, on the E slopes of Little Grayback 1463 Comment
  HSC4817  Picea breweriana J. O. Sawyer 1968-6-25 309 Siskiyou NE of N Horse Range Lake 2012 Comment
  JEPS46721  Picea breweriana Rimo Bacigalupi with Reino and Aloha Alava 1958-9-3 6882 Siskiyou junction of Poker Flat forest road with Takilma-Happy Camp trans-Siskiyou Mts. road 1376 Comment
  UC1223745  Picea breweriana G. L. Stebbins Jr. 1963-7-5 Siskiyou ca 7 mi (airline) e Sawyer's Bar (creek is a tributary of Salmon River); Salmon Mountains, Blake's Fork of South Russian Creek 1615 Comment
  JEPS35939  Picea breweriana John Allen 1964-9-1 Siskiyou ca due w Orleans (on ridge between Dillon Creek and Elk Valley, road starts up from Orleans, and finally one takes the Dillon Mountain road) 1219 Comment
  RSA593949  Picea breweriana L. C. Wheeler 1963-8-31 8316 Siskiyou Siskiyou Mountains. Devil's Punch Bowl off Clear Creek. 1432 Comment
  CAS-BOT-BC73436  Picea engelmannii Dorothy Parker 1962-6-1 s.n. Siskiyou Siskiyou Mountains - Sugar Creek, Salmon Mountains 1219 Comment
  CAS-BOT-BC73389  Pinus albicaulis Geo. B. Grant 1902-9-8 s.n. Siskiyou Horse Camp, Mt. Shasta Comment
  UC1094328  Pinus albicaulis Peter H. Raven 1956-9-4 10416 Siskiyou Mount Eddy 2651 Comment
  SEINET3871798  Pinus attenuata T. Charlet, David A. Charlet 1996-12-15 2350 Siskiyou Mt. Shasta, lower southern slopes along State Highway 89, from a few miles east of McLeod to a few miles west of Bartle.; 0 Comment
  UC338690  Pinus balfouriana unknown 1878-7-12 Siskiyou 20 mi w Mt. Shasta (s side of Mt. Eddy); Mt. Eddy Comment
  UC55641  Pinus balfouriana Harley P. Chandler 1901-6-1 1683 Siskiyou Marble Mt. North Coast Ranges 2438 Comment
  CAS-BOT-BC78405  Pinus balfouriana Maralyn O'Mera 1972-9-14 115 Siskiyou Ridge above trail to Yellow Rose [mine] Mine Comment
  HSC68674  Pinus contorta Maralyn A. Renner 1980-7-4 1434 Siskiyou Clear Creek Trail, N of Trout Camp. 1067 Comment
  UC55648  Pinus contorta subsp. murrayana Harley P. Chandler 1901-6-1 1575 Siskiyou ridges and meadows near Marble Mountain (Klamath River to Marble Mountain); North Coast Ranges 1828 Comment
  HSC69038  Pinus jeffreyi Maralyn A. Renner 1980-8-7 2367 Siskiyou Ridge just E of saddle, S of Rattlesnake Meadow 1799 Comment
  UCD134728  Pinus jeffreyi John M. Tucker 1963-8-18 3768 Siskiyou Between Marble and southwest ridge of Black Mountain, Marble Mountain Wilderness Area. 2103 Comment
  RSA120899  Pinus jeffreyi Milo S. Baker 1957-6-16 13148 Siskiyou Along highway 8 W of Hazelle. [label data illegible]; Shasta valley. Comment
  JEPS47929  Pinus lambertiana W. L. Jepson 1914-8-9 Siskiyou near Mt. Shasta; McCloud 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
  CAS-BOT-BC78959  Pinus monticola H. A. Thomas; J. H. Thomas 1954-7-24 4517 Siskiyou Salmon-Trinity Mts. Vicinity of Rush Lake and Rush Creek Meadow. About 9 miles E of Cecilville 1981 Comment
  HSC67696  Pinus monticola John Palmer 1980-7-24 579 Siskiyou Klamath National Forest, Elk Hole 1503 Comment
  SEINET5462048 Image available Pinus ponderosa Ross C. Clark, Bob Harvey; Chris Harvey 23914 Siskiyou Mt. Shasta. Comment
  UC375219  Piperia leptopetala Geo. D. Butler 1908-6-28 Siskiyou near Oro Fino Comment
  JEPS80605  Pityopus californicus Gilbert Muth 1966-7-29 465 Siskiyou by waterfall; Marble Mt. Wilderness Area, Marble Valley 1828 Comment
  UC206170  Plagiobothrys Milo S. Baker 1898-8-1 490 Siskiyou Payne's Springs Comment
  CDA5732  Plagiobothrys bracteatus L. Ahart, J. Dittes 2005-6-9 12035 Siskiyou About 50 yards east of where cattle water in the Shasta River, about 3/5 mile (air) south of Highway 99/97 Cutoff, about 2 1/2 miles (air) east-southeast of Grenada. Comment
  RSA715802  Plagiobothrys bracteatus L. Ahart, John Dittes 2005-6-9 12035 Siskiyou About 3/5 mile (air) south of Highway 99/97 Cutoff, about 2 1/2 miles (air) east-southeast of Grenada. 775 Comment
  CDA40677  Plagiobothrys greenei E. Hale 1984-5-8 s.n. Siskiyou Along Deer Meadow Road, near Yreka. 0 Comment
  CHSC86662  Plagiobothrys tenellus Jenny Marr 1993-7-1 45 Siskiyou Butte Valley Wildlife Area, +/- 7 air miles NW of the town of MacDoel. Meadow NW of Meiss Lake. 1349 Comment
  JEPS6469  Plantago eriopoda Rimo Bacigalupi and G. T. Robbins 1954-8-13 4802 Siskiyou 1.9 mi s Gazelle; Shasta Valley 853 Comment
  HSC67861  Plantago lanceolata J. P. Smith, Steve Selva 1970-6-16 4031 Siskiyou 4 mi. from Hwy. 3 on Rd. 8 to Sugar Creek. 1159 Comment
  HSC68345  Plantago lanceolata J. P. Smith 1973-5-5 6432 Siskiyou Along Cook and Green Pass Rd. Comment
  HSC22310  Platanthera dilatata var. leucostachys J. O. Sawyer 1969-7-26 1584 Siskiyou SE facing slope near S Sugar Creek 1700 Comment
  HSC58909  Platanthera dilatata var. leucostachys Marvin Butler 1971-7-16 143 Siskiyou Near El Capitan Lake, close to the town of Cave Junction 1524 Comment
  HSC61842  Platanthera dilatata var. leucostachys Al Hobart 1967-1 Siskiyou Poker Flat 1585 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
  HSC68317  Plectritis congesta J. P. Smith 1973-5-5 6519 Siskiyou Scott Bar along the Scott River Comment
  HSC36768  Plectritis macrocera J. P. Smith 1974-5-25 7412 Siskiyou Along Rd. 8, 0.9 mi. from its junction with Hwy. 3 976 Comment
  HSC43855  Plectritis macrocera Maralyn O'Meara 1974-5-25 378 Siskiyou Along Rd. 8, 0.9 mi. from its junction with Hwy. 3 976 Comment
  CAS-BOT-BC326711  Pleiacanthus spinosus C. E. Berry 1940-1-1 s.n. Siskiyou Unspecified Comment
  CAS-BOT-BC458195  Pleuricospora fimbriolata Wm. Bridge Cooke 1938-8-5 11460 Siskiyou Mount Shasta: Sisson Southern Trail 1828 Comment
  CAS-BOT-BC254784  Poa bolanderi A. A. Heller 1914-8-28 11736 Siskiyou On the E side of Mount Eddy 2438 Comment
  UC39614 Image available Poa bolanderi Harley P. Chandler 1901-6-1 1703 Siskiyou near Marble Mountain (Shackleford Canyon); North Coast Ranges; Shackleford Canyon, near Marble Mt., Siskiyou Co. 1828 Comment
  UCD90664  Poa bulbosa Morris Halperin 1930-5-17 304 Siskiyou Eureka. Schumeyer Ranch (Geo. Gray.) Comment
  RSA238335  Poa nervosa Frederick W. Oettinger 1969-8-25 1545 Siskiyou along Tanner Peak Trail, 400 yards from from English Peak trial. Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2012 Comment
  HSC65258  Poa pratensis J. P. Smith 1973-5-5 6427 Siskiyou Along Cook and Green Pass Rd. Comment
  RSA184782  Poa pratensis Gilbert Muth 1966-7-19 428 Siskiyou Marble Gap Trail, along first bluff, Marble Mountains. 1829 Comment
  RSA602816  Poa pratensis L. C. Wheeler 1935-6-4 3549 Siskiyou Etna, Scott Valley 899 Comment
  RSA129263  Poa pratensis H. S. Yates 1936-6-20 5806 Siskiyou Siskiyou Summit 1372 Comment
  CHSC61586  Poa pratensis subsp. pratensis L. P. Janeway 1983-8-26 592 Siskiyou Siskiyou Mountains; at Poker Flat, upper part of a meadow. 1524 Comment
  CHSC91252  Poa pratensis subsp. pratensis Lowell Ahart; John Dittes 2005-6-9 12033 Siskiyou Hill, along a rock fence, about 100 yards southeast of where cattle water in the Shasta River, about 3/5 mile (air) south of Highway 99/97 Cutoff, about 2 1/2 miles (air) east-southeast of Grenada. 774 Comment
  CAS-BOT-BC247524  Poa pringlei John Thomas Howell 1937-7-29 13670 Siskiyou North side of Scott Mt. Comment
  CAS-BOT-BC247533  Poa rhizomata Geo. D. Butler 1910-4-21 1206 Siskiyou Kidder Creek Comment
  CAS-BOT-BC237706  Poa secunda Elmer I. Applegate 1935-6-10 9465 Siskiyou Indian Welll, Lava Beds National Monument Comment
  RSA239035  Poa secunda Frederick W. Oettinger 1969-8-3 1149 Siskiyou west-northwest of English Lake; Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1951 Comment
  UCD91676  Poa secunda A. A. Heller 1921-7-17 13579 Siskiyou Toward the head of Wagon Creek, Mt. Eddy. 2286 Comment
  SBBG52182  Poa secunda C. Davidson 1975-6-5 2657 Siskiyou just above gate on special service rd branching S off rd from Gazelle to Callahan, 9.3 mi W of Gazelle; Klamath Nat Forest 1470 Comment
  HSC102706  Poa secunda subsp. juncifolia J. P. Smith 2013-6-17 13739 Siskiyou Off Tennant Road at a large, open pit. 1417 Comment
  CAS-BOT-BC243221  Poa secunda subsp. secunda Roxana S. Ferris; Laura Lorraine 1948-6-12 11888 Siskiyou Scott Mountain Road S of Callahan Comment
  CAS-BOT-BC243228  Poa secunda subsp. secunda Geo. D. Butler 1910-5-6 1294 Siskiyou Near 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
  HSC11  Poa secunda subsp. secunda William J. Ferlatte 1966-6-22 114 Siskiyou Josephine Lake Basin 1677 Comment
  HSC69703  Poa secunda subsp. secunda Maralyn A. Renner 1980-6-26 1263 Siskiyou Klamath National Forest, ridge along FS Rd. 15N01, 1 mi. N of Flint Valley. 1494 Comment
  JEPS33848  Poa secunda subsp. secunda Gilbert Muth 1966-7-31 477 Siskiyou n side Black Mt; Marble Mt Wilderness Area 2057 Comment
  JEPS84090  Poa secunda subsp. secunda L. R. Heckard with S. D'Alcamo, and J. Hickman 1986-7-16 6388 Siskiyou ca 7 mi nne Seiad Valley (w of Cook and Green Pass, ca 1.5 mi e of Red Butte summit) 1900 Comment
  UCD18948  Podagrostis humilis A. H. Murphy 1954-8-11 54 D Siskiyou Klamath National Forest, U.S.F.S., Round Meadow. 1676 Comment
  UCD37094  Podagrostis humilis Beecher Crampton 1956-8-22 3860 Siskiyou Panther Meadow, south slope of Mt. Shasta. 2316 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
  JEPS100991  Pogogyne zizyphoroides Dean Wm. Taylor with Glenn Clifton 1990-6-11 10870 Siskiyou 2.5 miles NE Abobe Flat Reservoir (ca. 5 miles N of Timbered Creter), just west of right of way of Pacific Gas Pipeline. 1341 Comment
  SBBG6065  Polemonium californicum H. and M. Dearing 1939-7-2 3805 Siskiyou Salmon Mtn 1676 Comment
  RSA262351  Polemonium californicum J. M. Tucker 1963-7-7 3725 Siskiyou In vicinity of Paradise Lake, at base of Kings Castle on the east side, Marble Mountain Wilderness Area. 1982 Comment
  UC1190249  Polemonium californicum Ira L. Wiggins 1955-7-29 13573 Siskiyou n-facing slope between Caribou Lake and Pass to Thompson Creek; btw Caribou Lake and Pass to Thompson Creek 1956 Comment
  CAS-BOT-BC230031  Polemonium carneum F. M. A. 1894-7-1 s.n. Siskiyou Siskiyou Mountains near Siskiyou 1524 Comment
  UC52663  Polemonium carneum W. P. Gibbons Aug 1896 a 2 Siskiyou <?>town Comment
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Nov 26 2011
  CAS-BOT-BC232903  Polemonium carneum Lillian Mott 1976-7-7 45 LM76 Siskiyou Reeves Spring ca. 7 miles E of Cook and Green Pass 1828 Comment
  HSC90759  Polemonium eddyense Jennifer Whipple 1976-6-11 960 Siskiyou S face of Mount Eddy draining into the N Fork of the Sacramento River Comment
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Jul 6 2020
  CHSC71309  Polemonium micranthum Vernon H. Oswald; Lowell Ahart 1998-6-11 9218 Siskiyou Butte Valley National Grassland near the junction of Meiss Lake-Sams Neck Rd. and Hwy. 97 ca. 5 mi north of Macdoel. 1295 Comment
  UC335946  Polemonium occidentale J. G. Lemmon 1889-6-26 Siskiyou Edgewood Comment
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Jun 26 2012
  UC23987  Polemonium occidentale subsp. occidentale C. B. Bradley 1879-1 Siskiyou Squaw Valley Comment
  UCR64581  Polemonium pulcherrimum J. P. Smith, J. O. Sawyer 1972-6-30 5642 Siskiyou Ridge west of Little Duck Lake 2378 Comment
  CAS-BOT-BC231305  Polemonium pulcherrimum L. R. Short 1933-8-6 21 Siskiyou Klamath National Forest. Bear Lake, Marble M. 2072 Comment
  UC107054 Image available Polemonium pulcherrimum subsp. pulcherrimum Copeland 1903-7-16 3515 Siskiyou Mt. Shasta 3169 Comment
  HSC104149  Polemonium pulcherrimum var. pulcherrimum Dana York 2011-9-8 3086 Siskiyou Klamath National Forest, Marble Mountain Wilderness, E slope of Kings Castle 2175 Comment
  NY337078  Polemonium tricolor H. P. Chandler 06 1901 1671 Siskiyou Marble Mountain 2438.4 Comment
  RSA17731  Polyctenium fremontii Elmer I. Applegate 1935-6-2 9286 Siskiyou Frenner s Ranch on old road to Lava Beds, near north boundary of the National Monument Comment
  UCR5684  Polygala cornuta O. F. Clarke 1966-8-6 660806- 01 Siskiyou 18 mi. north of Castella on turn out 1162 Comment
  CAS-BOT-BC170334  Polygala cornuta var. cornuta R. E. Frenkel 1964-7-15 689 Siskiyou On Everitt Memorial road near Mount Shast, 1.7 miles north of McCloud River RR crossing. 1290 Comment
  CAS-BOT-BC170339  Polygala cornuta var. cornuta Doris K. Kildale 1930-6-1 9698 Siskiyou Salmon River between Somes Bar and Forks of Salmon Comment
  UC484058  Polygala cornuta var. cornuta Carl B. Wolf 1930-10-22 1756 Siskiyou along Pacific Highway 3 mi n Mt. Shasta City 1219 Comment
  JEPS93926  Polygonum bistortoides Vernon H. Oswald and Lowell Ahart 1998-8-3 9436 Siskiyou w of Kangaroo Lake (near the Pacific Crest Trail in the Scott Mountains); Scott Mountains 1981 Comment
  UC164038  Polygonum bistortoides Geo. D. Butler 1908-8-4 183 Siskiyou Shackleford Creek; head Comment
  RSA211290  Polygonum davisiae William J. Ferlatte 1966-8-5 341 Siskiyou Caribou Mtn., Open granite slopes and ridges. Near summit. 2470 Comment
  CAS-BOT-BC414602  Polygonum douglasii Geo. D. Butler 1910-7-9 1706 Siskiyou Shackleford Creek 1219 Comment
  RSA11902  Polygonum douglasii Elmer I. Applegate 1923-8-18 3885 Siskiyou Hoffman Mtn, Medicine Lake Comment
  RSA756974  Polygonum douglasii Barbara J. Ertter 1990-7-14 93101 Siskiyou East side of Mount Eddy about 4 air miles due west of Mount Shasta City, at streamlet near end of Forest Road 41N53, about 1 mile north of Morgan Meadows. 1677 Comment
  UC164243  Polygonum douglasii subsp. douglasii Geo. D. Butler 1910-7-7 1787 Siskiyou Shackleford Creek 914 Comment
  JEPS50557  Polygonum douglasii subsp. johnstonii W. L. Jepson 1937-7-30 18539 Siskiyou near Poker Flat (summit of mts.); Siskiyou Mts. 1554 Comment
  UC1509617  Polygonum douglasii subsp. spergulariiforme L. and P. Ahart 1983-9-13 4411 Siskiyou near Hwy 96 (near the Klamath River, ca 5 mi w of Interstate 5) 1000 Comment
  HSC23696  Polygonum minimum J. O. Sawyer 1969-8-4 1877 Siskiyou S of S Sugar Lake 2104 Comment
  SDSU9659  Polygonum phytolaccifolium D. F. Howe 1965-8-8 4127 Siskiyou Saddle south of Little Grayback, Klamath National Forest. 1402 Comment
  RSA237794  Polygonum phytolaccifolium Frederick W. Oettinger 1967-8-23 320 Siskiyou English Peak Meadow. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2134 Comment
  HSC30501  Polygonum polygaloides subsp. kelloggii Frederick W. Oettinger, R. F. Thorne 1969-8-5 1216 Siskiyou Marble Mtn. Wilderness Area, base camp at English Lake 1829 Comment
  HSC17550  Polygonum spergulariiforme Geo. D. Butler 1908-8-6 184 Siskiyou Summit, along trail SE of Marble Mtn. 1829 Comment
  HSC76893  Polygonum spergulariiforme K. T. Stillman 1976-9-9 489 Siskiyou Marble Mtn. Wilderness Area; trail from jump off to Paradise Lake 1951 Comment
  HSC68533  Polypodium californicum Maralyn A. Renner 1980-6-25 1095 Siskiyou Little South Fork Indian Creek, W Fork 1220 Comment
  HSC41042  Polypodium hesperium J. O. Sawyer 1970-3-4 2061 Siskiyou N of Idlewild Campground 762 Comment
  JEPS73743  Polypogon monspeliensis George D. Butler 1908-6-27 471 Siskiyou along creek Butler's Ranch near Yreka; Butler's Ranch Comment
  HSC79152  Polystichum imbricans C. J. Thomas 1983-10-1 102 Siskiyou 0.75 mi. from Indian Scotty campground on gravel rd. to Paradise Lake 854 Comment
  HSC1144  Polystichum imbricans R. W. Spjut 1968-11-5 165 Siskiyou 1 mi. from S Suggar Lake in the Salmon Mtns. 1829 Comment
  JEPS83824  Polystichum imbricans subsp. imbricans Wayne Roderick July 1976 Siskiyou near Lily Pad Lake (vicinity of Cook and Green Pass); Siskiyou Mts. 1828 Comment
  UC1400748  Polystichum imbricans subsp. imbricans Alan R. Smith 1972-5-20 571 Siskiyou along rd. from Callahan to Somes Bar (between Cecilville and Forks of Salmon) 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
  HSC79136  Polystichum kruckebergii C. J. Thomas 1983-10-1 85 Siskiyou N side of Black Mtn. in Marble Mtn. Wilderness 1976 Comment
  RSA790070  Polystichum lemmonii Rebecca Wenk 2006-7-23 527 Siskiyou Trinity Alps, Coffee Creek Road, Big Flat Meadow. Along Yellow Rose Mine trail to Dorleska Mine. 2119 Comment
  UC205092  Polystichum lemmonii A. A. Heller 1914-8-28 11739 Siskiyou e side Mt. Eddy 2286 Comment
  CAS-BOT-BC72375  Polystichum lemmonii Lillian Mott 1976-7-18 56 LM76 Siskiyou base of Kangaroo Mt. near Cook and Green Pass 1828 Comment
  CAS-BOT-BC76680  Polystichum munitum Doris K. Kildale 1928-7-3 5450 Siskiyou Little North Fork Salmon River Comment
  CAS-BOT-BC76681  Polystichum munitum Geo. D. Butler 1908-8-24 245 Siskiyou Eldridge's Corral, Russian Creek Comment
  RSA331958  Polystichum scopulinum W. Wisura, Dave Kelly 1985-7-31 4078 Siskiyou Kangaroo Lake, Scott Mtns.; on rocks above and beyond the granite rocks near campground Comment
  UC1045306  Populus trichocarpa W. Bridge Cooke 1940-8-22 15455 Siskiyou lower valley of Mud Creek Mount Shasta; , lower valley of Mud Creek Comment
  UC164391  Populus trichocarpa Geo. D. Butler 1910-4-16 1177 Siskiyou Yreka Creek Comment
  RSA68917  Potamogeton alpinus A. E. Culbertson 1943-8-1 41 Siskiyou Castle Lake. 14 miles s.w. of Mt. Shasta on n side of a 6600 eastern spur of Trinity Mts.; 2000 above Sacramento R. within 10 air miles at its headwaters to the west. 1657 Comment
  UC725956  Potamogeton foliosus A. A. Heller 1925-7-28 13908 Siskiyou Abram Lake Comment
  RSA238845  Potamogeton pusillus subsp. tenuissimus Frederick W. Oettinger 1969-9-5 1684 Siskiyou Salamander Lake. 0.7 miles NE of Abbott s Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1791 Comment
  RSA237620  Potentilla drummondii Frederick W. Oettinger 1967-8-13 253 Siskiyou Below Tom Taylor Cabin Spring. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2049 Comment
  JEPS74487  Potentilla fruticosa W. J. Ferlatte 1966-8-19 441 Siskiyou Kidd Creek Trail Trinity Alps, Kidd Creek Trail 1676 Comment
  RSA507455  Potentilla glandulosa S. Morgan 1987-7-28 s.n. Siskiyou McGinnis Springs, 5 miles NW of McCloud, Shasta- Trinity National Forest, S of Mt. Shasta. 1768 Comment
  CHSC86636  Potentilla gracilis Jenny Marr 1993-7-1 19 Siskiyou Butte Valley Wildlife Area, +/- 7 air miles NW of the town of MacDoel. Meadow NW of Meiss Lake. 1349 Comment
  UC1128235  Potentilla gracilis var. fastigiata L. Whitney 1934-6-27 8 Siskiyou Tennant Dorris Quad., Antelope Creek 1463 Comment
  HSC78221  Potentilla gracilis var. fastigiata L. P. Janeway 1983-8-28 628 Siskiyou At Poker Flat. Dry W side of lower portion of meadow. 1524 Comment
  UC1034646  Potentilla millefolia Milo S. Baker 1955-6-26 13080 Siskiyou Highway 99, 4 mi s Gazelle; s of Gazelle 914 Comment
  UC191277  Potentilla millefolia M. K. Curran July 1887 Siskiyou Edgewood Comment
  POM264923  Potentilla millefolia Louis C. Wheeler 1935-6-23 3590 Siskiyou Shasta River 2 miles NW Montague 762 Comment
  RSA60529  Prunella vulgaris var. lanceolata John H. Thomas 1949-6-16 950 Siskiyou 1/4 mi north of Beaver Creek Public Camp, along Beaver Creek; 5 mi north of junction of Beaver Creek and Klamath River; Klamath National Forest. Comment
  SEINET3157224  Prunus demissa G. D. Butler 1910-7-24 1795 Siskiyou Yreka Creek Comment
  HSC18926  Prunus emarginata J. O. Sawyer 1969-8-1 1664 Siskiyou SE facing slope above Duck Lake Creek 1951 Comment
  HSC58847  Prunus emarginata Marvin Butler 1971-7-7 45 Siskiyou Near El Capitan, close to the town of Cave Junction 1464 Comment
  POM88101  Prunus emarginata Geo. D. Butler 1910-5-1 1256 Siskiyou Humbug Mountain 1220 Comment
  UC144434  Prunus emarginata A. A. Heller 1905-6-16 8045 Siskiyou Sisson Comment
  CAS-BOT-BC151242  Prunus virginiana var. demissa Doris K. Kildale 1929-5-31 9125 Siskiyou Cecilville, South Fork Salmon River Comment
  CAS-BOT-BC151247  Prunus virginiana var. demissa Edward Lee 1934-8-14 1101 Siskiyou Little Grayback, near and at summit, Siskiyou-Del Norte County line. 1868 Comment
  HSC117  Prunus virginiana var. demissa William J. Ferlatte 1967-6-29 583 Siskiyou Big Flat, near public camp 1524 Comment
  HSC18829  Prunus virginiana var. demissa D. M. Thomson 1965-6-11 75 Siskiyou Lava Beds National Monument, Tichnor Rd. 1.0 mi. E of Medicine Lake Rd. Comment
  UCD113531  Prunus virginiana var. demissa Jack Major; M. Fleschner, R. Pemble 1966-9-5 s.n. Siskiyou east of Marble Mountain, Marble Mountains. 1716 Comment
  JEPS25881  Pseudognaphalium stramineum Rimo Bacigalupi with L. Constance and L. Heckard 1960-7-21 7479 Siskiyou 4 mi above Oak Bottom guard station ((or 5 mi above and se of Somes Bar)); Salmon River gorge 274 Comment
  UCD91516  Pseudoroegneria spicata W. E. Moon 1958-5-29 s.n. Siskiyou Along State Hwy. 97, 12 miles NE of Weed. Comment
  CAS-BOT-BC94427  Pseudostellaria jamesiana R. C. Wenk 2005-7-16 257 Siskiyou Trinity Alps, South Fork of the Salmon River. South end of Big Flat Meadow 1499 Comment
  HSC81762  Pseudostellaria jamesiana Thomas W. Nelson, Jane P. Nelson 1980-7-20 6169 Siskiyou Above and to SE of Big Carmen Lake 1738 Comment
  JEPS121604  Pseudostellaria jamesiana Danielle Roach 2011-8-25 Siskiyou Middle Fork Sacramento River headwaters, east slope of the Eddys. Fen / wet meadow on ultramafic soil. Mount Eddy quadrangle. Comment
  RSA68884  Pseudostellaria jamesiana A. E. Culbertson 1943-7-2 72 Siskiyou Along Castle Lake road from town of Shasta, 6600ft eastern spur of Trinity Mts, 10 air miles from headwaters of Sacramento River to w and 12 miles SW of Mt Shasta 1219 Comment
  HSC29674  Pseudotsuga menziesii var. menziesii Frederick W. Oettinger 1968-8-15 528 Siskiyou Marble Mtn. Wilderness Area, ridge above Hell Hole at the NE side of Hancock Lake 1936 Comment
  CAS-BOT-BC361904  Psilocarphus tenellus Louis C. Wheeler 1934-6-2 2605 Siskiyou Klamath National Forest. Cherry Flat, Klamath R. 518 Comment
  RSA690876  Pteridium aquilinum var. pubescens M. B. Dunkle 1944-7-26 9049 Siskiyou Siskiyou Mountains, Deer Creek Comment
  UC1368676  Pteryxia terebinthina var. californica W. Bridge Cooke and V. G. Cooke 1968-7-1 39232 Siskiyou Along Andesite Road, North Side of Mt Shasta, Siskiyou County 1524 Comment
  HSC97135  Puccinellia distans L. Ahart 2005-6-9 12002 Siskiyou 3/5 mi. S of Hwy. 99/97 cutoff, 2 1/2 mi. ESE of Grenada 775 Comment
  SEINET5338232  Pulsatilla occidentalis G. Butler 1910-7-10 1736 Siskiyou Upper Campbell Lake. 1676 Comment
  SD104903  Purshia tridentata Darley Howe 1979-6-26 Siskiyou Military Pass Rd, 3 mi. SE of Ca. Hwy 97, near Granada Comment
  CAS-BOT-BC147898  Purshia tridentata var. tridentata A. A. Heller 1916-6-23 12439 Siskiyou Near Black Butte north of Sisson 1127 Comment
  CAS-BOT-BC147902  Purshia tridentata var. tridentata Carl B. Wolf 1927-8-26 1033 Siskiyou On the Klamath River, 5 mi. below Hornbrook Comment
  CAS-BOT-BC147907  Purshia tridentata var. tridentata A. A. Heller 1916-6-23 12439 Siskiyou Near Black Butte north of Sisson 1127 Comment
  CAS-BOT-BC147912  Purshia tridentata var. tridentata D. E. Breedlove 1962-6-11 3360 Siskiyou Along State Highway 89, 8.0 miles east of McCloud; Cascade Range 1127 Comment
  SEINET10686400  Purshia tridentata var. tridentata Karen M. Meyer, Andrew Townesmith 2007-8-2 Meyer 184 Siskiyou Shasta-Trinity National Forest. 0.1 mi. on Forest Service Rd. 43N21, 12.5 mi on Hwy. 97, east side of road. 1218 Comment
  UC375386  Purshia tridentata var. tridentata Geo. D. Butler 1908-7-4 285 Siskiyou near Shasta River (Yreka Creek); Yreka Creek Comment
  UC140049  Pycnanthemum californicum Copeland 1903-8-12 3837 Siskiyou Sisson Comment
  SBBG30606  Pyrola asarifolia D. Myrick 1968-6-28 2054 Siskiyou Mountain Meadow Ranch, Big Flat, head of Coffee Crk, Trinity Alps 1524 Comment
  CAS-BOT-BC465504  Pyrola asarifolia W. R. Dudley 1893-6-21 s.n. Siskiyou Near Mt. Shasta Comment
  UC1408766  Pyrola asarifolia Frederick W. Oettinger 1968-8-7 441 Siskiyou The High Lake Basins in the Vicinity of English Peak Marble Mountain Willderness Area, Tabacco Lake 1889 Comment
  JEPS83862  Pyrola crypta Wayne Roderick Jul 1976 Siskiyou Siskiyou Mts. vicinity Cook and Green Pass 1463 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
  SEINET7257100  Pyrola dentata G. D. Butler 1910-6-17 1574 Siskiyou Humbug Mountain 1219 Comment
  HSC65567  Pyrola picta Rich White 1977-7-21 131 Siskiyou Slope below outlet of Raspberry Lake 1512 Comment
  UC722480  Pyrola picta C. L. Hitchcock, J. S. Martin 1939-7-8 5301 Siskiyou 15 mi n of Happy Camp (on Happy Camp-Takilma Highway); Happy Camp-Takilma Highway 914 Comment
  CAS-BOT-BC466126  Pyrola picta Elmer I. Applegate 1896-5-29 940 Siskiyou Sisson Comment
  HSC70458  Pyrrocoma racemosa var. pinetorum J. P. Smith, J. O. Sawyer 1976-9-5 8971 Siskiyou Hwy. 3, 4 mi. N of Siskyou-Trinity Co. line Comment
  JEPS105036  Pyrrocoma racemosa var. pinetorum Dean W. Taylor 1996-7-7 15821 Siskiyou Scott Mountains; Highway 3 about 3 miles North of Scott Mountain Pass; Klamath National Forest 1402 Comment
  JEPS81784  Pyrrocoma racemosa var. pinetorum Rimo Bacigalupi with Drs. Reino and Aloha Alava 1958-9-2 6868 Siskiyou about 3 mi n (below) Scott Mtn. road summit (on road to Callahan) 1219 Comment
  RSA44901  Pyrrocoma racemosa var. pinetorum J. C. Roos 1948-9-1 3954 Siskiyou Near Fort Jones. 854 Comment
  CAS-BOT-BC362391  Pyrrocoma racemosa var. racemosa Geo. D. Butler 1910-8-21 1843 Siskiyou Shasta Valley Comment
  CAS-BOT-BC45746  Quercus W. R. Dudley 1899-8-15 s.n. Siskiyou near trail to Black Fox Mountains Comment
  CAS-BOT-BC68643  Quercus chrysolepis J. H. Thomas 1954-5-14 4188 c Siskiyou Salmon Montains, Klamath National Forest. Near South Fork of Salmon River, 5 to 9 miles southeast of Cecilville. 1219 Comment
  CAS-BOT-BC68646  Quercus chrysolepis Doris K. Kildale 1929-7-20 8748 Siskiyou Elk Lick, South Fork Indian Creek Comment
  CAS-BOT-BC62754  Quercus garryana var. breweri John Thomas Howell 1934-7-4 12383 Siskiyou lava beds between Timbered Crater and Little Hot Springs Valley Comment
  UC1281100  Quercus garryana var. breweri H. E. McMinn 1931-6-26 2505 Siskiyou Comment
  SEINET10678056  Quercus kelloggii Karen M. Meyer, Andrew Townesmith 2007-8-4 Meyer 190 Siskiyou Klamath National Forest, 0.6 mi. on right fork, 6 mi. on rd. 7J001 out of Yreka, CA. (road past the water tower). 1286 Comment
  CAS-BOT-BC104352  Quercus sadleriana Doris K. Kildale 1928-8-20 6586 Siskiyou Lily Pad Lake near Hancock Lookout on trail to Marble Mt. 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
  HSC69243  Quercus sadleriana Maralyn A. Renner 1980-9-1 2700 Siskiyou S side of Devil's Punchbowl 1829 Comment
  JEPS89112  Quercus sadleriana Wayne Roderick 1978-9-1 Siskiyou vicinity Cook and Green Pass (along trail to Copper Butte); Siskiyou Mts. 1463 Comment
  SBBG115705  Quercus sadleriana G. J. Muth, J. M. Tucker 1972-8-8 1796 Siskiyou Elk Pk, Scott Bar Quad 1828 Comment
  UCD47246  Quercus sadleriana R. Tofsrud; J. M. Tucker 1948-8-3 1779 B Siskiyou Summit of Happy Camp-Waldo (Oregon) road, on Del Norte-Siskiyou County line, California. 1554 Comment
  UCD47274  Quercus sadleriana Dean W. Taylor 1972-7-1 s.n. Siskiyou (Q. garryana Hook. var. breweri (Engelm.) Jepson). California, Siskiyou Co.; 0.5 mi. east of Cook and Green Pass, north of Seiad Valley, T. 47N, R11W, Sect. 9, Seiad Valley Quadrangle; 1463 Comment
  RSA96709  Quercus sadleriana Percy C. Everett, E. K. Balls 1954-10-13 20292 Siskiyou Indian Creek road to Obrien, 20 1/2 miles northwest from Hwy 96 at Happy Camp. 1524 Comment
  CAS-BOT-BC104641  Quercus vacciniifolia B. Crampton 1956-8-21 3847 Siskiyou canyon of the Sacramento River just above junction of the North Fork with south and Middle Forks Comment
  RSA211498  Quercus vacciniifolia William J. Ferlatte 1967-8-17 956 Siskiyou Trinity Alps; Yellow Rose Mine. 1982 Comment
  UC595073  Quercus vacciniifolia David D. Keck 1938-8-8 4864 Siskiyou 3 mi se Scott Mountain Lodge (ridge between Mill Creek and Mule Creek); Scott Mts. 1402 Comment
  POM147915  Raillardella pringlei J. B. Feudge 1927-7-24 1818 Siskiyou Along trail, Mt Shasta City to Mt. Eddy. 1677 Comment
  UC375275  Ranunculus flammula Geo. D. Butler 1908-8-10 356 Siskiyou waterhole above Log Lake (Shackleford Creek); Shackleford Creek 1524 Comment
  UC13928  Ranunculus glaberrimus F. W. Hooper 1897-3-27 Siskiyou Little Shasta Comment
  UC1540001  Ranunculus glaberrimus M. Mitchell 1936-5-21 46 Siskiyou Captain Jack's Cave Lava Beds National Monument 1341 Comment
  CDA24325  Ranunculus glaberrimus F. D. Horn 1979-4-13 Siskiyou Grasslake, summit, Highway 97, northeast of Weed. 0 Comment
  HSC73339  Ranunculus occidentalis Gail Newton 1980-6-20 467 Siskiyou Near Bald Mtn. 1097 Comment
  POM268378  Ranunculus occidentalis var. eisenii Frank W. Gould 1940-5-15 s.n. Siskiyou Bald Mtn on road from Mt. Hebron to Montague 1677 Comment
  UCD77228  Ranunculus populago Robert E. Preston 2001-6-30 1633 Siskiyou Klamath National Forest, north slope of Rainbow Mountain, T42N R1W se 1/4 of nw 1/4 Section 14 1694 Comment
  UCD97135  Ranunculus testiculatus T. C. Fuller 1970-3-24 19359 Siskiyou Yreka, Juvenile Hall, s. of junct. of Annie and State Streets. Comment
  HSC26701  Ranunculus uncinatus William J. Ferlatte 1969-6-25 1180 Siskiyou Big Flat 1524 Comment
  SJSU6491  Ranunculus uncinatus R. W. Trivelpiece 1972-6-14 107 Siskiyou Vann Cr near Bear Peak c. 15 mi SW of Happy Camp 1280 Comment
  UC1181802  Ranunculus uncinatus Dorothy Parker 1950-5-21 433 Siskiyou Fay Lane Siskiyou Mountains, Scott Valley (edges of swamp) 853 Comment
  POM268891  Ranunculus uncinatus var. parviflorus Louis C. Wheeler 1934-6-7 2656 Siskiyou North Hungry Creek. 1220 Comment
  RSA237977  Raphanus sativus Frederick W. Oettinger 1969-8-14 1367 Siskiyou Near English Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness. Comment
  RSA7808  Rhamnus purshiana Doris K. Kildale 1928-8-20 6634 Siskiyou Trail betw English Lake and Finleys upper Camp trail to Marble Mt. Comment
  UC592954  Rhamnus rubra Carl B. Wolf 1930-10-22 Siskiyou 3 mi n Mt. Shasta City (on the Pacific Highway) 1219 Comment
  CAS-BOT-BC6199  Rhamnus rubra subsp. obtusissima E. B. Copeland 1903-8-15 3833 Siskiyou Sisson 1097 Comment
  UCD13285  Rhododendron columbianum K. F. Mawdsley 1996-7-10 16 Siskiyou California, Siskiyou County. Castle Lake. 1698 Comment
  CAS-BOT-BC200397  Rhododendron occidentale var. paludosum Isabelle C. Kimber 1934-6-9 29 Siskiyou Steelbridge Camp, Sacramento River just above confluence with Ney Creek 731 Comment
  CAS-BOT-BC200400  Rhododendron occidentale var. paludosum Doris K. Kildale 1929-7-21 8741 Siskiyou Elk Lick, south fork Indian Creek Comment
  UC585101  Rhus trilobata E. B. Babcock, G. L. Stebbins Jr. 1936-6-11 1951 Siskiyou about 2 mi s Sheep Rock (n slope of Mt. Shasta, on hwy from Bray to Weed); Mt. Shasta 1249 Comment
  UC455594  Ribes I. J. Condit 1911-7-22 Siskiyou trail to Horse Camp; Mt. Shasta 1676 Comment
  CAS-BOT-BC438004  Ribes L. B. Kildale 1929-5-26 9192 Siskiyou Salmon River at Hawkin Car 609 Comment
  CAS-BOT-BC438009  Ribes W. R. Dudley 1899-8-9 s.n. Siskiyou Black Butte Comment
  CAS-BOT-BC438014  Ribes Louis C. Wheeler 1934-6-28 2815 Siskiyou Little Soda Cr., Klamath Forest 1066 Comment
  UC165929  Ribes aureum Geo. D. Butler 1909-4-13 598 Siskiyou near Yreka Comment
  UCSB24057  Ribes aureum Favero, R. 1968-3-26 Siskiyou 12 miles east of Montague; in Little Shasta area; Cascade Mountains 792 Comment
  CAS-BOT-BC92874  Ribes bracteosum T. H. Harris 1951-6-1 s.n. Siskiyou Indian Creek, Happy Camp. 457 Comment
  CAS-BOT-BC108776  Ribes cereum Elmer I. Applegate 1935-8-4 10026 Siskiyou Upper Ice Cave, Lava Beds National Monument. Comment
  UC1096827  Ribes cereum Wagnon 1957-8-11 1704 Siskiyou 1 mi w Military Pass Rd. (along rd. to Brewer's Creek, w slope of Mt. Shasta); North Coast Ranges, Mt. Shasta Comment
  RSA0021098  Ribes inerme var. klamathense Louis C. Wheeler 1935-4-13 3414 Siskiyou By creek. Seiad, Klamath River. 427 Comment
  HSC45028  Ribes lacustre Maralyn O'Meara 1974-5-25 403 Siskiyou Along road to Duck Lakes trail 1402 Comment
  HSC62282  Ribes lacustre Al Hobart 1968-6-20 Siskiyou Youngs Valley Comment
  HSC96414  Ribes lacustre Gordon Leppig, J. Kalt 1996-7-9 384 Siskiyou Klamath National Forest, Russian Wilderness, cirque W of Little Duck Lake 2200 Comment
  HSC98167  Ribes lacustre J. O. Sawyer 1969-7-9 1235 Siskiyou N facing slope S of S Sugar Lake 2149 Comment
  UC1190179  Ribes lacustre Ira L. Wiggins 1955-7-29 13592 Siskiyou 3.5 mi above S. Fork of Salmon River (along Thompson Creek); Thompson Creek 1371 Comment
  UCD78097  Ribes lacustre Robert E. Preston 2001-6-23 1628 Siskiyou Klamath National Forest, n-facing slope of Rainbow Mtn, T42N R1W se 1/4 of ne 1/4 Section 15 1676 Comment
  HSC44979  Ribes lobbii J. O. Sawyer 1978-6-21 3282 Siskiyou Marble Mtn. Wilderness Area, along trail N of Clear Lake 1951 Comment
  JEPS49363  Ribes lobbii Geo. D. Butler 1908-7-19 265 Siskiyou Humbug Creek Comment
  UC570823  Ribes lobbii Dorothy Tebbe 1929-6-12 15 Siskiyou White's Gulch Salmon Mountains Comment
  SJSU6064  Ribes lobbii R. W. Trivelpiece 1971-6-9 26 Siskiyou near Deadman Peak c. 8 mi E of Cecilville, Salmon R Mts 1432 Comment
  CAS-BOT-BC6179  Ribes nevadaense Alice Eastwood 1893-8-13 s.n. Siskiyou Mt. Shasta Comment
  CHSC78518  Ribes nevadense Vernon H. Oswald 2000-8-28 9953 Siskiyou Kangaroo Lake Road ca. 0.5 mi north of the road to Rock Fence Creek Lake. 1487 Comment
  SEINET5339750  Ribes nevadense G. Butler 1910-7-12 1759 Siskiyou Dry ridge Shackleford Creek 1372 Comment
  HSC48272  Ribes roezlii K. Stillman, P. Stekel May 1977 513 Siskiyou Along Happy Camp-O'Brien Rd. above Louse Creek Comment
  UC1483506  Ribes roezlii J. Sawyer and J. Cole 1980-7-21 3813 Siskiyou n and w Little Mt. Hoffman; Klamath National Forest, Medicine Lake Quad. 1981 Comment
  CAS-BOT-BC186289  Ribes roezlii var. roezlii Alice Eastwood 1921-7-30 11008 Siskiyou Soda Creek Comment
  HSC73292  Ribes sanguineum Gail Newton 1980-6-20 508 Siskiyou Near Bald Mtn. 1097 Comment
  UC857970  Ribes velutinum A. A. Heller 1938-7-12 15251 Siskiyou base of lava flow 8 mi n Weed (along U.S. Highway 97) Comment
  RSA0019713  Ribes velutinum G. D. Barbe 1955-6-28 18 Siskiyou 0.6 mile north of Callahan, 50 yds from the road. 1037 Comment
  CAS-BOT-BC168796  Ribes viscosissimum John M. Tucker 1963-7-7 3710 Siskiyou In vicinity of Paradise Lake, at the base on east side of Kings Castle, Marble Mountain Wilderness Area 1981 Comment
  HSC76998  Ribes viscosissimum K. T. Stillman 1976-6-25 91 Siskiyou Marble Mtn. Wilderness Area, N side of Elk Valley. 1799 Comment
  RSA0020920  Ribes viscosissimum Frederick W. Oettinger 1969-7-9 934 Siskiyou Northwest of Upper English Lake. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1921 Comment
  RSA0020922  Ribes viscosissimum Frederick W. Oettinger 1968-8-10 467 Siskiyou East side of Hancock Lake. The high lake basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1936 Comment
  CHSC91347  Rigiopappus leptocladus Lowell Ahart; John Dittes 2005-6-9 12045 Siskiyou Pasture field, on the east side of a poor rock fence, about 300 yards east of where cattle water in the Shasta River, about 3/5 mile (air) south of Highway 99/97 Cutoff, about 2 1/2 miles (air) east-southeast of Grenada. 774 Comment
  UC1409439  Rorippa Frederick W. Oettinger 1969-7-29 1096 Siskiyou high lake basins in the vicinity English Peak (Drying area, Dry Lake, western Siskiyou County); Marble Mountain Wilderness Area, Salmon Mountains 1889 Comment
  CAS-BOT-BC74371  Rorippa columbiae Dean William Taylor; Barbara Williams 1987-6-29 9096 Siskiyou White Deer Lake. 1399 Comment
  JEPS53851  Rorippa curvisiliqua Geo. D. Butler 1908-7-16 118 Siskiyou Butler's Ranch near Yreka, Butler's Ranch Comment
  UC375305  Rorippa nasturtium-aquaticum Geo. D. Butler 1908-6-23 1057 Siskiyou near Yreka; near Yreka Comment
  POM277828  Rosa brownii H. E. Brown 1897-6-11 349 Siskiyou North side, Mt. Shasta. 1524 Comment
  RSA15595  Rosa eglanteria Carl B. Wolf 1927-8-27 1112 Siskiyou On the Klamath River, Happy Camp. Comment
  RSA237812  Rosa gymnocarpa Frederick W. Oettinger 1969-9-4 1640 Siskiyou NW side of Hancock Lake. Salmon Mtns. High Lake Basins in the vicinity of English Peak. Marble Mtn Wilderness Area. 1951 Comment
  UC1190136  Rosa gymnocarpa Ira L. Wiggins 1955-7-23 13476 Siskiyou banks China Creek 1097 Comment
  UC1871380  Rosa nutkana subsp. macdougalii Barbara Ertter 2006-7-30 18739 a Siskiyou Butte Valley 4 air mi due W of Macdoel, Meiss Lake Road at S entrance to Butte Valley Wildlife Area. 1298 Comment
  HSC101757  Rosa pisocarpa J. P. Smith, J. O. Sawyer 2011-9-3 13407 Siskiyou Fence row along Cole Rd. to Siskiyou Summit 910 Comment
  UC637139  Rosa pisocarpa Edward Lee 1934-8-15 1123 Siskiyou summit of Happy Camp to Waldo (Oregon) rd Klamath National Forest, Indian Creek watershed 1615 Comment
  RSA300565  Rosa pisocarpa Walter Wisura, John Dourley 1982-10-16 3873 Siskiyou Shores of Castle Lake, SW of town of Mt. Shasta. 1646 Comment
  SEINET10628439 Image available Rosa pisocarpa Cyrus G. Pringle 1882-1 Pringle 14501 Siskiyou By streams. Comment
  CAS-BOT-BC148191  Rosa rubiginosa Carl B. Wolf 1927-8-27 1112 Siskiyou On the Klamath River, Happy Camp Comment
  UC1034621  Rosa rubiginosa Douglas Barbe 1955-6-27 3 Siskiyou 0.8 mile north in the dredgins near Hjertagers' Mill Callahan; Klamath Mountains 975 Comment
  SDSU9231  Rosa spithamea D. F. Howe 1977-7-1 4974 Siskiyou Scott Mountain Creek Road. 1097 Comment
  UC60895  Rosa woodsii var. ultramontana W. A. Setchell, C. C. Dobie 1902-7-15 Siskiyou Sisson Comment
  CAS-BOT-BC147137  Rubus glaucifolius Ira L. Wiggins 1955-7-24 13494 Siskiyou Ridge betw. upper reaches of China & Blind Horse Creeks 1645 Comment
  CAS-BOT-BC147162  Rubus laciniatus Carl B. Wolf 1927-8-27 1115 Siskiyou On the Klamath River, Happy Camp Comment
  HSC99690  Rubus lasiococcus G. L. Clifton 1979-7-1 6177 Siskiyou Near Poker Flat, close to the town of Happy Camp 1538 Comment
  JEPS47797  Rubus lasiococcus W. L. Jepson 1937-7-30 18563 Siskiyou Poker Flat Siskiyou Mts., (headwaters Indian Creek) 1584 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
  HSC59593  Rubus leucodermis J. P. Smith, Steve Selva 1970-6-16 4052 Siskiyou 7 mi. W of Etna on road to Sawyers Bar. 1280 Comment
  HSC69516  Rubus leucodermis John Palmer 1980-8-12 750 Siskiyou Road to Bearground Spring from Beaver Creek Rd. 1341 Comment
  HSC78  Rubus leucodermis William J. Ferlatte 1967-7-26 761 Siskiyou NW side of Caribou Mtn., near Browns Meadow. 1829 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
  SEINET10542809  Rubus leucodermis LeRoy E. Detling 1947-6-4 Detling 6108 Siskiyou Slater butte, klamath national forest. T17n,r7e,sec.13. Douglas fir, oak Forest. Humboldt mer. Pseudotsuga tacifolia, quercus chrysolepis, q. Kelloggii, Arbutus menziesii, acer macrophyllum, pinus lambertiana. Mountain slope. Nw Exsposure. Rocky clay-loam. Mod. Dry, partial shade. Occasional 1067 Comment
  HSC69286  Rubus parviflorus Maralyn A. Renner 1980-7-24 1951 Siskiyou Pacific Crest Trail above Lily Pad Lake. 1799 Comment
  CAS-BOT-BC156598  Rubus ulmifolius A. M. Vollmer; L. Beane 1951-6-2 49 Siskiyou Klamath River Highway, betw. U.S. 99 & Gottville Comment
  CAS-BOT-BC157163  Rubus ursinus Alice Eastwood 1917-9-2 6688 Siskiyou Shasta Springs Comment
  JEPS116589  Rudbeckia klamathensis Julie Kierstead Nelson with Rhonda Posey, Ross Olson 2007-8-1 2007 -020 Siskiyou The Eddys, west of Mt. Shasta. Wet seep adjacent to unnamed tributary Middle Fork of upper Sacramento River, along Forest Service Rd. 40N64 ca. 1/2 mi N Middle Fork crossing; Mt. Eddy 1693 Comment
  CHSC91779  Rumex acetosella G. F. Hrusa 2001-6-6 15845 Siskiyou Siskiyou Mountains. Nr. summit of pass betw. Happy Camp, CA and O'Brien, Oregon at turnoff to Bolan Lake, at Oregon border. Roadside. UTM: 10S, 4649821 N, 0456023 E. 1424 Comment
  CAS-BOT-BC376593  Rumex maritimus Andrew Townesmith; Karen M. Meyer 2007-8-3 897 Siskiyou Klamath National Forest, Oak Knoll Ranger District. Along Forest Service road 46N50, 4.4 miles NW of intersection with state route 96. Collected on uphill side of road (just above House Creek Botanical Area) 593 Comment
  SEINET10612171  Sabina occidentalis A. Arthur Heller 1938-7-12 Heller 15262 Siskiyou About 2 miles north of Bray, scattered among the sagebrush, in the Upper Sonoran Life Zone. It is one of the index plants for this zone here. Comment
  HSC92353  Sagina saginoides Jennifer Whipple 1976-7-24 1569 Siskiyou Near Dobkins Lake 2073 Comment
  UC1408875  Sagina saginoides Frederick W. Oettinger 1969-8-19 1467 Siskiyou near Abbotts; Salmon Mts, High Lake Basins, English Peak vicinity, Marble 1859 Comment
  UC482249  Salix Mrs. H. P. Bracelin 1931-6-19 422 Siskiyou ca. 16 km. n.w. of Shasta City; Mt. Eddy 1500 Comment
  CAS-BOT-BC103368  Salix bonplandiana Gordon H. True 1968-8-6 4579 Siskiyou just N of Yreka on Yreka-Ashland Highway 807 Comment
  POM107341  Salix boothii Geo. D. Butler 1908-8-7 152 Siskiyou Lake at head of W fork of Wooley Creek. 1829 Comment
  HSC33924  Salix eastwoodiae J. O. Sawyer 1968-7-10 501 Siskiyou Along S Sugar Creek 1982 Comment
  UC1409267  Salix eastwoodiae Frederick W. Oettinger 1968-8-2 364 Siskiyou e outlet of Diamond Lake; Salmon Mts, High Lake Basins, English Peak vicinity, Marble 2072 Comment
  CAS-BOT-BC125449  Salix lasiandra var. lasiandra L. E. Smith 1914-5-5 651 Siskiyou Sisson Comment
  CAS-BOT-BC419729  Salix lasiandra var. lasiandra Julie Kierstead Nelson; Martin Lenz; Rhonda Posey 2014-8-13 2014 -083 Siskiyou Upper Parks Creek watershed, 2 miles NE of China Mountain, eastern Klamath Ranges. Along road/trail 41N73A. 2011 Comment
  SD37402  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, in meadow near road and creek east of Metcalf ranch house 1200 Comment
  CAS-BOT-BC107082  Salix lasiolepis Mrs. H. P. Bracelin 1936-9-3 855 Siskiyou 11 miles N.W. from Mt. Shasta City, and about 2 miles E. of Burney Mill, N. base of Mt. Eddy 1127 Comment
  POM107144  Salix lasiolepis Geo. D. Butler 1909-9-20 1083 Siskiyou Yreka Creek. Comment
  UC375226  Salix lasiolepis Geo. D. Butler 1909-3-14 1080 Siskiyou near Yreka (e end Lamb and Sheldon P.M.); Butler's Ranch Comment
  UC482237  Salix lasiolepis Mrs. H. P. Bracelin 1931-6-19 412 Siskiyou ca. 16 km. n.w. Shasta City (n.e. side Mt. Eddy, above Metaclf ranch house); n.e. side Mt. Eddy 1425 Comment
  CAS-BOT-BC124544  Salix lasiolepis var. lasiolepis W. R. Dudley 1899-8-8 s.n. Siskiyou Near Big Spring above Sisson Comment
  CAS-BOT-BC128302  Salix lasiolepis var. lasiolepis Doris K. Kildale 1929-4-27 7549 Siskiyou Cecilville, upper South Fork of Salmon River Comment
  CAS-BOT-BC128307  Salix lasiolepis var. lasiolepis Carl B. Wolf 1927-8-27 1117 Siskiyou On the Klamath River, Happy Camp Comment
  POM362801  Salix lasiolepis var. sandbergii Louis C. Wheeler 1934-12-16 3363 Siskiyou Oak Knoll Ranger Station. Klamath River. Siskiyou Mtns. 671 Comment
  CHSC26605  Salix lemmonii E. L. Smith 1971-8-20 1058 Siskiyou At Mt. Shasta City. 1085 Comment
  UCR133525  Salix lemmonii Mrs. H. P. Bracelin 1931-6-21 467 Siskiyou North side of Mount Eddy, about 21 km northwest of Shasta City, below Dobkins Lake 1650 Comment
  SBBG57821  Salix lucida subsp. lasiandra Mrs. H. P. Bracelin 1931-6-21 473 Siskiyou N base of Mt Eddy, ca. 13 km NW of Shasta City 1110 Comment
  CAS-BOT-BC125683  Salix melanopsis L. E. Smith 1914-7-6 751 Siskiyou Cantara Comment
  UC481730  Salix melanopsis Mrs. H. P. Bracelin 1931-6-22 475 Siskiyou near hwy. at Flume Creek Camp (Flume Creek - tributuary of Pit River); Flume Creek 555 Comment
  CHSC4317  Salix monochroma D. Parker 1965-3-13 1061 Siskiyou Johnson Creek, near Etna. 914 Comment
  CAS-BOT-BC126126  Salix scouleriana L. S. Smith 1931-6-7 18 Siskiyou Mt. Shasta 1066 Comment
  HSC19449  Salix scouleriana J. O. Sawyer 1969-8-4 1814 Siskiyou Above Sugar Lake 2134 Comment
  POM107274  Salix scouleriana Geo. D. Butler 1908-8-11 148 Siskiyou Shackleford Creek. Comment
  RSA238267  Salix scouleriana Frederick W. Oettinger, Robert F. Thorne 1969-8-8 1308 Siskiyou English Lake. Salmon Mtns. High Lake Basins in the vicinity of English Peak. Marble Mtn Wilderness Area. 1738 Comment
  RSA105379  Sambucus caerulea G. D. Barbe 1955-7-5 96 Siskiyou 5.7 miles south of Etna on French Creek Road 884 Comment
  SEINET10814436  Sambucus caerulea Andrew Townesmith 2012-9-4 Townesmith 2402 Siskiyou Along California route 89, 4.0 miles east of intersection with Interstate 5. 1318 Comment
  JEPS106456  Sambucus mexicana J. K. Nelson 2004-8-29 2004 -94 Siskiyou S side Mount Shasta, at unnamed springs W of Mud Creek Dam, along Road 31 1584 Comment
  UC1125317  Sambucus mexicana M. H. Mitchell 1936-5-19 Siskiyou 1 mi ne Caldwell Butte; Modoc Lava Beds Natl. Mon., Dorris Quadrangle Comment
  CAS-BOT-BC238881  Sambucus nigra subsp. caerulea John Thomas Howell 1934-7-4 12409 Siskiyou Unspecified Comment
  HSC65135  Sambucus nigra subsp. caerulea J. P. Smith, Steve Selva 1970-7-15 4347 Siskiyou Klamath National Forest, road to Happy Camp. 732 Comment
  CAS-BOT-BC238888  Sambucus nigra subsp. caerulea W. R. Dudley 1901-8-25 s.n. Siskiyou Salmon Creek Comment
  CDA26417  Sanguisorba annua G. D. Barbe, T. C. Fuller 1972-6-14 946 Siskiyou North of Weed, ca. 1 mile north of US 97 on Hoy Road. 0 Comment
  UC735044  Sanicula bipinnatifida Lincoln Constance and R. H. Shan 1946-5-31 3060 Siskiyou Sacramento River at Dunsmuir Sacramento River; , Dunsmuir 701 Comment
  SEINET13945133 Image available Sanicula bipinnatifida Lincoln Constance, R. H. Shan 1946-1 3060 Siskiyou East bank of Sacramento River at Dunsmuir, alt. 2300 ft 701 Comment
  UC106097  Sanicula graveolens Thos. Howell 1889-4-16 1364 Siskiyou Pacific Coast, Hornbrook Hornbrook; Pacific Coast, Hornbrook Comment
  UC165381  Sanicula graveolens Geo. D. Butler 1908-8-4 54 Siskiyou head of Shackleford Creek Shackleford Creek Comment
  HSC21639  Sanicula graveolens Lincoln Constance, Ren Hwa Shan 1946-5-31 3059 Siskiyou E bank of Sacramento River at Dunsmuir 701 Comment
  HSC409  Sanicula tuberosa William J. Ferlatte 1967-6-30 589 Siskiyou Along the S Fork of the Salmon River, between the campground and Carter's 1524 Comment
  OBI8761  Sanicula tuberosa Tracey Call, Viola Call 1964-6-20 2275 Siskiyou Scott Mt. campground. 168 Comment
  RSA211474  Sanicula tuberosa William J. Ferlatte 1967-6-30 589 Siskiyou Along the south fork of the Salmon River between the campground and Carter s 1524 Comment
  SEINET3240204  Santalaceae R. L. Mathiasen 2007-1 2007 -33 Siskiyou Ca. 9.6 km from Stewart Hot Springs on forest road 17 1820 Comment
  UCD20772  Santolina chamaecyparissus Steve Orloff 2002-6-25 s.n. Siskiyou Siskiyou County. City of Granada, south of Yreka. Comment
  UC991120  Saponaria officinalis J. M. Tucker 1950-7-24 1947 Siskiyou lot beside Highway 99 on the outskirts Mount Shasta town; town of Mount Shasta Comment
  UCR28722  Saponaria officinalis John C. Roos 1948-9-2 4019 Siskiyou Hills just north of Shasta City. Comment
  RSA576938  Saponaria officinalis L. C. Wheeler 1934-9-16 3267 Siskiyou Walker, Klamath River; Siskiyou Mts. 518 Comment
  UC1212565  Saponaria officinalis Francia Chisaki and Helen Sharsmith 1959-8-20 4740 Siskiyou on road from Callahan three mi before reaching Etna (Scott Valley); Inner North Coast Ranges, Scott Valley 853 Comment
  CAS-BOT-BC466232  Sarcodes sanguinea John Van Denburg 1913-3-1 s.n. Siskiyou Callahans Comment
  JEPS33850  Saxifraga cespitosa Gilbert Muth 1966-7-31 468 Siskiyou n side of Black Mountain (Marble Mountain Wilderness Area); , Marble Mountain Wilderness Area 1981 Comment
  RSA238318  Saxifraga ferruginea Frederick W. Oettinger 1968-8-1 337 Siskiyou South side of Hancock Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2043 Comment
  POM354577  Saxifraga odontoloma M. B. Dunkle 1945-8-2 9271 Siskiyou Klamath Natl Forest. Marble Mt. Comment
  CHSC100002  Saxifragopsis fragarioides L. P. Janeway 2008-7-26 9506 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
  JEPS47486  Saxifragopsis fragarioides Geo. D. Butler 1909-7-15 897 Siskiyou 3 mi ene Finley's Camp (Highland Mine); Salmon Mts. 1706 Comment
  HSC19530  Scirpus congdonii J. O. Sawyer 1969-7-18 1415 Siskiyou Head of S Russian Creek 1829 Comment
  RSA119342  Scirpus congdonii S. S. Tillett 1956-7-9 641 Siskiyou E of Scott Mountain, ca. 8 mi. SE of Callahan. Trinity-Siskiyou Cos line. 1829 Comment
  HSC86426  Scirpus microcarpus D. K. Imper 1987-7-22 Siskiyou 8 mi. E of Somes Bar, Marble Mtn. Wilderness Area, near Jawbone Camp 1372 Comment
  UCD98526  Scleranthus annuus subsp. annuus Louis C. Wheeler 1935-6-15 3585 Siskiyou Greenview, Scott Valley. 883 Comment
  HSC81623  Scutellaria antirrhinoides Thomas W. Nelson, Jane P. Nelson 1980-7-19 6203 Siskiyou Along USFS Rd. 40N17 1.0 mi. from junction with Callahan-Cecilville Rd. 1585 Comment
  HSC43831  Secale cereale Maralyn O'Meara 1974-5-27 490 Siskiyou Along FS Rd. 47N03 1280 Comment
  CAS-BOT-BC64650  Sedum kiersteadiae John Thomas Howell 1942-7-2 16366 Siskiyou Bottom of Mud Creek Canyon, Mt. Shasta. Comment
  UC831036  Sedum obtusatum subsp. boreale W. B. Cooke 1942-7-2 16366 Siskiyou near base Mud Creek Canyon; Mount Shasta, near base Mud Creek Canyon 1676 Comment
  CAS-BOT-BC64651  Sedum obtusatum subsp. paradisum L. B. Kildale 1930-6-1 9744 Siskiyou Salmon River at Somes Bar Comment
  HSC59367  Sedum obtusatum subsp. retusum M. A. Baker 1979-7-30 1075 Siskiyou Marble Gap 2300 Comment
  CAS-BOT-BC64649  Sedum oregonense John Thomas Howell 1939-8-3 14955 Siskiyou Spirit Lake, Marble Mts. Comment
  HSC104262  Sedum oregonense P. F. Zika 2011-7-19 25647 Siskiyou Klamath Range; Near Pacific Crest trail, 1 air mi. WNW of Copper Butte, Siskiyou Mountains 1610 Comment
  CAS-BOT-BC61465  Sedum oregonense Gilbert Muth 1965-8-3 s.n. Siskiyou Marble Valley Comment
  CAS-BOT-BC64644  Sedum oregonense John Thomas Howell 1937-7-26 13566 Siskiyou Between Big Flat and Caribou Gulch, Siskiyou Co. 2286 Comment
  RSA0083646  Sedum oregonense L. C. Wheeler 1935-6-27 3604 Siskiyou Head of Etna Creek, Marble Mountains. 1799 Comment
  RSA297042  Sedum oregonense John F. Emmel 1974-7-19 514 Siskiyou Limestone ridge 0.2 air mile N of Lily Pad Lake. Siskiyou Mountains. 1829 Comment
  HSC25419  Sedum radiatum J. P. Smith, J. O. Sawyer, Maralyn O'Meara 1972-7-3 5663 Siskiyou Ridge E of Cook and Green Pass. 1524 Comment
  CAS-BOT-BC59128  Sedum spathulifolium John Thomas Howell 1939-8-8 15142 Siskiyou Marble Mountains, between Marble Valley and Sky High Valley. Comment
  RSA0074772  Sedum spathulifolium L. C. Wheeler 1934-8-16 3171 Siskiyou Siskiyou Mountains: 2 mi. east of White Mt. 1920 Comment
  RSA0035471  Sedum stenopetalum subsp. stenopetalum Peter F. Zika 2011-7-19 25648 Siskiyou Near Pacific Crest Trail, 1 air mile WNW of Copper Butte, Siskiyou Mountains, Klamath Range (KR). 1610 Comment
  RSA641070  Selaginella densa var. scopulorum Louis Cutter Wheeler 1963-8-31 8314 Siskiyou Siskiyou Mountains. Devil's Punch Bowl off Clear Creek. 1432 Comment
  RSA0012698  Senecio aronicoides Jerry A. Powell 1974-6-16 1167 Siskiyou Ash Creek Ranger Station. Comment
  CAS-BOT-BC363646  Senecio fremontii var. occidentalis W. R. Dudley 1899-8-26 s.n. Siskiyou Top of Mt. Eddy Comment
  HSC76910  Senecio integerrimus K. T. Stillman 1976-6-26 122 Siskiyou Marble Mtn. Wilderness Area, near Bear Lake. 1829 Comment
  JEPS30370  Senecio integerrimus var. exaltatus Peter H. Raven 1962-5-30 17899 Siskiyou 12.3 mi s Macdoel (U.S. Highway 97) Comment
  RSA0125046  Senecio integerrimus var. exaltatus Geo. D. Butler 1909-6-22 956 Siskiyou Goosenest Meadows. Comment
  HSC67944  Senecio integerrimus var. major J. P. Smith 1973-5-5 6439 Siskiyou Along Cook and Green Pass Rd. Comment
  HSC67710  Senecio triangularis John Palmer 1980-7-24 610 Siskiyou Klamath National Forest, Elk Hole 1503 Comment
  JEPS116591  Senecio triangularis Julie Kierstead Nelson with Rhonda Posey, Ross Olson 2007-8-1 2007 -022 Siskiyou The Eddys, west of Mt. Shasta. Wet seep adjacent to unnamed tributary to Middle Fork of upper Sacramento River, along Forest Service Rd. 40N64 ca. 1/2 mi N Middle Fork crossing; Mt. Eddy 1693 Comment
  RSA261516  Senecio triangularis J. M. Tucker, D. V. Hemphill 1974-7-26 4290 Siskiyou Let-Er Buck Meadows, ca. 0.5 mile southeast of Haypress Meadows, Marble Mountain Wilderness Area. 1433 Comment
  UC832134  Senecio triangularis A. A. Heller 1915-8-26 12226 Siskiyou meadow near the head Wagon Creek Canyon (Mt. Eddy); Mt. Eddy 2590 Comment
  HSC61997  Senecio triangularis Ruby Van Deventer 1938-7-29 Siskiyou Poker Flat 1585 Comment
  HSC76958  Senecio triangularis K. T. Stillman 1976-9-9 472 Siskiyou Marble Mtn. Wilderness Area, N, NE and E side of Black Mtn. Comment
  UC196948  Setaria viridis Geo. D. Butler 1909-10-10 1091 Siskiyou Yreka, <Dooryand> Comment
  POM210952  Sibbaldia procumbens Louis C. Wheeler 1934-8-2 3018 Siskiyou Alex Hole. Alex Canyon. Siskiyou Mtns. 1890 Comment
  RSA448541  Sidalcea Louis C. Wheeler 1934-7-3 2862 Siskiyou Soda Creek, Sterling Mt. Siskiyou Mountains. (Mt. Diablo Mer.) 1677 Comment
  CAS-BOT-BC205788  Sidalcea oregana Wm. Bridge Cooke 1939-7-7 13589 Siskiyou Mount Shasta. At Bear Springs Comment
  JEPS67250  Sidalcea oregana subsp. oregana Geo. D. Butler 1908-6-28 63 Siskiyou Oro Fino L. Eastlick Ranch, Oro Fino Comment
  HSC46140  Sidalcea oregana subsp. spicata J. P. Smith, Steve Selva 1970-7-27 4516 Siskiyou Gumboot Lake 1768 Comment
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Jun 7 2012
  HSC76678  Sidalcea oregana subsp. spicata K. T. Stillman 1976-7-23 300 Siskiyou Marble Mtn. Wilderness Area 2012 Comment
  UC725676  Sidalcea oregana subsp. spicata A. A. Heller 1916-7-20 12474 Siskiyou near Wagon Creek Falls (e side Mt. Eddy); e side of Mt. Eddy, near Wagon Creek Falls 1524 Comment
  SEINET9004861  Sidalcea oregana subsp. spicata G. D. Butler 1910-7-17 1728 Siskiyou Oro Frisco. Comment
  UCD116856  Sidalcea oregana subsp. spicata J. M. Tucker 1950-7-23 1934 Siskiyou roadside just west of Mount Shasta High School, town of Mount Shasta. Comment
  CAS-BOT-BC388953  Silene grayi Alice Eastwood 1912-9-1 2066 Siskiyou Mount Shasta Comment
  UC917307  Silene grayi R. Tofsrud and J. M. Tucker 1948-8-2 1764 Siskiyou Panther Meadows , Panther Meadows (s slope Mt. Shasta) 2407 Comment
  UCD98589  Silene grayi Mary Ann Showers 1980-8-28 2059 Siskiyou to the north of Red Butte on the lower slopes of Mt. Shasta, Shasta Trinity National Forest. 2316 Comment
  HSC64678  Silene lemmonii J. O. Sawyer 1977-7-6 3037 Siskiyou Trail to Sugar Lake 2 mi. below lake 1707 Comment
  RSA215598  Silene lemmonii Gilbert Muth 1969-8-8 1297 Siskiyou Gap Meadow, Boulder Peak Ridge 2287 Comment
  CAS-BOT-BC389526  Silene menziesii Milo S. Baker 1926-8-2 163 -'26 Siskiyou Trinity Alps Resort - at sawmill Comment
  UC618732  Sisyrinchium bellum W. Bridge Cooke 1938-7-15 11230 Siskiyou above Bear Spring (Also at Wagon Camp); Mount Shasta 1584 Comment
  CDA39481  Sisyrinchium douglasii T. C. Fuller 1958-4-16 s.n. Siskiyou Giebner property, 4 miles south of Yreka. 0 Comment
  HSC68273  Solanum parishii J. P. Smith, Steve Selva 1970-6-15 3968 Siskiyou 20 mi. E of Cecilville on the road to Callahan. 1646 Comment
  RSA238032  Solanum umbelliferum Frederick W. Oettinger 1969-7-11 971 Siskiyou Approx. 0.2 mile below the 13 mile marker along the trail from English to Diamond Lake. High Lake Basins in the vicinity of English Peak, Marble Mountain Wilderness Area, Salmon Mountains. 2012 Comment
  RSA68903  Solanum umbelliferum A. E. Culbertson 1943-7-24 54 Siskiyou Castle Lake, 5434', in a N facing cirque with an abrupt 1000' backwall. 14 miles SW of Mt. Shasta on N side of a 6000' eastern spur of Trinity Mtns. 2000' above Sacramento River within 10 air miles of its headwaters to the W. Comment
  RSA428812  Solanum villosum Louis C. Wheeler 1934-9-17 3275 Siskiyou Siskiyou Mts: Dutch Creek off Klamath River. 701 Comment
  SEINET7262072 Image available Solanum villosum A. A. Heller 1915-8-24 12208 Siskiyou Metcalf's Ranch, NE base of Mount Eddy Comment
  CAS-BOT-BC385863  Solidago canadensis D. H. Norris 1968-7-29 2213 Siskiyou Along trail from Big Flat to Yellow Rose Mine 1828 Comment
  RSA183743  Solidago canadensis subsp. elongata Gilbert Muth 1965-8-3 146 Siskiyou Meadow, Marble Valley, Marble Mountains. Comment
  CAS-BOT-BC365572  Solidago elongata G. B. Grant 1902-9-11 s.n. Siskiyou Sisson Comment
  CAS-BOT-BC365577  Solidago elongata Grant 1902-9-13 5191 Siskiyou Dunsmuir Comment
  CAS-BOT-BC365248  Solidago velutina subsp. californica Henry M. Pollard 1956-10-7 s.n. Siskiyou Klamath River bar on Spink's Ranch at Roger's Creek, Somes Bar Comment
  UC455693  Sonchus asper I. J. Condit 1911-7-13 Siskiyou Dunsmuir Comment
  RSA178547  Sorbus californica Joseph P. Tracy 19478 Siskiyou Summit of the Sikiyous at crossing of the Takilma-Happy Camp Rd. (See L. Constance '3 miles S of State Line'). 1463 Comment
  RSA78999  Sorbus californica E. K. Balls, Percy C. Everett 1952-10-13 18187 Siskiyou E shore of Castle Lake. 1585 Comment
  UC1409396  Sparganium angustifolium Frederick W. Oettinger 1968-8-13 500 Siskiyou lower s inlet area Hancock Lake (vicinity of English Peak, w Siskiyou County); Salmon Mountains, Marble Mountain Wilderness Area 1935 Comment
  POM91543  Spiraea densiflora Geo. D. Butler 1910-7-9 1710 Siskiyou Wooly Creek. 1677 Comment
  CAS-BOT-BC149683  Spiraea douglasii A. A. Heller 1905-6-20 8085 Siskiyou Between Igerna and Weed Comment
  LA208255  Spiraea douglasii Steve Morgan; 1987-7-28 Siskiyou Mount Shasta, Shasta Trinity National Forest, McGinnis Springs, 5 mi. NW of McCloud 1767 Comment
  POM148450  Spiraea douglasii J. B. Feudge 1927-7-22 1683 Siskiyou Mt. Shasta City. 1067 Comment
  CAS-BOT-BC152552  Spiraea splendens A. A. Heller 1916-7-22 12484 Siskiyou East side of Mt. Eddy 1676 Comment
  CAS-BOT-BC152557  Spiraea splendens Geo. D. Butler 1910-7-9 1710 Siskiyou Wooly Creek 1676 Comment
  HSC100319  Spiraea splendens J. P. Smith, J. O. Sawyer 2011-7-21 13033 Siskiyou Flint Valley, at the end of the G-O Road. 1313 Comment
  RSA211188  Spiranthes romanzoffiana William J. Ferlatte 1966-8-17 391 Siskiyou Caribou Basin; Trinity Alps. 1982 Comment
  RSA447291  Stachys M. B. Dunkle 1944-7-16 9115 Siskiyou Siskiyou Natl. Forest, Coastal Northern California. Comment
  JEPS74335  Stachys ajugoides var. rigida L. R. Heckard with T. I. Chuang and R. Bacigalupi 1974-7-23 3755 Siskiyou about 4 air mi n Yreka (Shasta River bridge); Shasta River Comment
  UC456146  Stachys ajugoides var. rigida I. J. Condit 1911-7-7 Siskiyou Shasta Retreat Comment
  UC884350  Stachys ajugoides var. rigida A. A. Heller 1915-8-26 12236 Siskiyou Mt. Eddy 1828 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
  HSC76687  Stachys rigida K. T. Stillman 1976-7-30 320 Siskiyou Marble Mtn. Wilderness Area, ridge N of Black Mtn. into Elk Valley by way of Boulder Field, SE corner of valley 1768 Comment
  HSC23656  Stellaria borealis subsp. sitchana J. O. Sawyer 1969-6-27 857 Siskiyou Along CCC Rd. 1311 Comment
  CAS-BOT-BC181446  Stellaria littoralis Volney Rattan 1879-1-1 s.n. Siskiyou Unspecified Comment
  RSA11896  Stellaria longipes Elmer I. Applegate 1923-8-17 3839 Siskiyou Medicine Lake. Comment
  CAS-BOT-BC391221  Stellaria longipes subsp. longipes Elmer I. Applegate 1923-8-17 3839 Siskiyou Medicine Lake 1981 Comment
  UC1265673  Stenanthium occidentale Rolf Y. Berg 1980-6-25 Siskiyou Horsetail Falls Klamath River Region (on road from Seiad Valley to Cook and Green Pass) Comment
  POM210939  Stenanthium occidentale Louis C. Wheeler 1934-8-17 3181 Siskiyou Siskiyou Mts. North side White Mt. 1829 Comment
  UC1408919  Stephanomeria lactucina Frederick W. Oettinger 1969-8-18 1438 Siskiyou below Willow Spring (on English Lake Trail, w Siskiyou County, the high lake basins in the vicinity of English Peak, Marble Mountain Wilderness Area); Salmon Mountains 1676 Comment
  CAS-BOT-BC375670  Stephanomeria paniculata Wm. Bridge Cooke 1938-7-22 11316 Siskiyou Mount Shasta. Sisson Southern Trail Comment
  CAS-BOT-BC322913  Stephanomeria tenuifolia W. R. Dudley 1899-8-9 s.n. Siskiyou Foot of Black Butte Comment
  UC1540142  Stephanomeria tenuifolia Dean Wm. Taylor, Glenn L. Clifton, and R. Doug Stone 1987-8-7 9256 Siskiyou Caldwell Butte Lava Beds National Monument 1499 Comment
  OBI55477  Streptanthus barbatus David J. Keil, Kathleen Keil 1992-7-21 23530 Siskiyou Klamath Natl Forest SE of Callahan. Forest Rd 40N08, 1.7 mi W of Scott Mtn rd (hwy 3) Comment
  UC137022  Streptanthus barbatus J. W. Congdon 1900-8-10 Siskiyou near Sisson 1082 Comment
  CAS-BOT-BC87838  Streptanthus tortuosus Alice Eastwood 1912-7-19 1241 Siskiyou Mount Shasta. Comment
  CAS-BOT-BC87840  Streptanthus tortuosus Alice Eastwood 1912-9-1 2065 Siskiyou Mount Shasta. Comment
  CAS-BOT-BC87841  Streptanthus tortuosus Alice Eastwood 1921-7-29 10961 Siskiyou Little Mount Hoffman. 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
  CAS-BOT-BC87959  Streptanthus tortuosus Reed Rollins 1938-8-21 11555 Siskiyou Mount Shasta. Around the various water supply springs above Horse Camp and around Horse Camp fountain overflow. 2438 Comment
  HSC69120  Streptanthus tortuosus Maralyn A. Renner 1980-8-7 2388 Siskiyou Klamath National Forest, NW flank of Preston Peak, near summit 2180 Comment
  RSA429547  Streptanthus tortuosus L. S. Rose 1934-4-20 34231 Siskiyou Junction of Klamath River and Shasta River. 915 Comment
  HSC34112  Streptopus amplexifolius J. O. Sawyer 1969-7-18 1420 Siskiyou Head of S Russian Creek 1890 Comment
  HSC30443  Streptopus amplexifolius Frederick W. Oettinger 1968-8-10 462 Siskiyou Marble Mtn. Wilderness Area, inlet to Hancock Lake 1936 Comment
  UC163669  Suaeda calceoliformis Geo. D. Butler 1910-8-21 1845 Siskiyou Shasta Valley Comment
  RSA238303  Suksdorfia ranunculifolia Frederick W. Oettinger 1969-7-13 998 Siskiyou Meadow north of Upper English Lake. The Salmon Mountains, the High Lake Basins in the vicinity of English Peak, Marble Mountain Wilderness Area. 1921 Comment
  CAS-BOT-BC269623  Symphoricarpos albus var. laevigatus Alice Eastwood 1917-9-2 6702 Siskiyou Shasta Springs Comment
  HSC65082  Symphoricarpos albus var. laevigatus J. P. Smith, Steve Selva 1970-6-14 3888 Siskiyou 1 mi. E of Steinacher Creek Rd. on Rd. to Forks of Salmon Comment
  RSA300513  Symphoricarpos albus var. laevigatus John Dourley, W. Wisura 1982-10-17 3882 Siskiyou Mill Creek Ridge, ca. 18 mi N of Happy Camp, along old road up Indian Creek. 1524 Comment
  SFV5157  Symphoricarpos albus var. laevigatus B. C. Templeton 1960-6-21 8525 a Siskiyou Between the agricultural Experiment Station and the California state line._x000B_Grassy hillside. Comment
  JEPS24629  Symphoricarpos mollis Rimo Bacigalupi with Drs. Reino and Aloha Alava 1958-9-1 6784 Siskiyou e of and a little above MacBride Springs (s slopes of Mount Shasta); Mt. Shasta 1432 Comment
  UC61064  Symphoricarpos mollis W. A. Setchell, C. C. Dobie 1902-7-15 Siskiyou Sisson; Mount Shasta Comment
  UC28686  Symphoricarpos mollis var. acutus C. B. Bradley 1879-1 Siskiyou Comment
  UC1538954  Symphyotrichum bracteolatum W. J. Ferlatte 1987-9-2 2111 Siskiyou 0.8 mi e of, n side of Hwy A-12 Grenada 768 Comment
  CAS-BOT-BC98942  Symphyotrichum foliaceum var. parryi John Thomas Howell 1939-8-2 14877 Siskiyou Spirit Lake, Marble Mts. 1828 Comment
  CAS-BOT-BC98955  Symphyotrichum foliaceum var. parryi W. R. Dudley 1901-8-18 s.n. Siskiyou Jackson's Lake, Salmon Mts. Comment
  CAS-BOT-BC98438  Symphyotrichum spathulatum Henry M. Pollard 1947-9-6 s.n. Siskiyou Dillons Mt. Forest Road 1524 Comment
  CAS-BOT-BC98441  Symphyotrichum spathulatum Wm. Bridge Cooke 1938-9-8 11607 Siskiyou Mount Shasta, Little Red Butte 2590 Comment
  CAS-BOT-BC98440  Symphyotrichum spathulatum Wm. Bridge Cooke 1940-7-5 15259 Siskiyou Mount Shasta, in wet places throughout lower Wagon Camp 1737 Comment
  JEPS22233  Symphyotrichum spathulatum Rimo Bacigalupi with Drs. Reino and Aloha Alava 1958-9-2 6820 Siskiyou 7 mi w of, in field near roadside Callahan 1127 Comment
  CAS-BOT-BC98855  Symphyotrichum spathulatum var. intermedium Geo. D. Butler 1910-9-11 1880 Siskiyou Near Edgewood Comment
  HSC72274  Symphyotrichum spathulatum var. spathulatum J. P. Smith, J. O. Sawyer, Jane Sawyer, Kevin Sawyer 1976-9-5 8969 Siskiyou Hwy 3, 2.5 mi. N of Siskiyou-Trinity County line Comment
  HSC85697  Symphyotrichum spathulatum var. spathulatum J. P. Smith 1980-8-24 10343 Siskiyou Klamath National Forest. Forest Rd. 40N03, 0.3 mi. from its junction with State Route 3; 2.72 mi. from county line 1463 Comment
  JEPS100300  Symphyotrichum spathulatum var. spathulatum Dean W. Taylor 2001-8-28 17908 Siskiyou Mt. Shasta, Ash Creek Butte, Suprise Lake 2057 Comment
  JEPS72982  Taeniatherum caput-medusae W. L. Jepson 1940-6-22 19965 Siskiyou near Hilt (Hilt to Hawkinsville); Quarantine Station 914 Comment
  UCD86093  Taeniatherum caput-medusae A. A. Beetle; G. L. Stebbins Jr. 1942-5-31 3426 Siskiyou 3 miles north of Yreka. Comment
  CDA7686  Taraxacum officinale T. C. Fuller 1962-6-13 8984 Siskiyou Toad Well, road to Medicine Lake, ca. 12 miles northeast of Bartle. 0 Comment
  CDA37991  Taraxia subacaulis T. C. Fuller 1962-6-13 8988 Siskiyou Toad Well, road to Medicine Lake, ca. 12 miles northeast of Bartle. 0 Comment
  HSC41805  Tauschia kelloggii Brent Whiteley 1975-6-24 59 Siskiyou Near Somes Bar along Salmon River Rd. 235 Comment
  HSC29493  Taxus brevifolia Frederick W. Oettinger 1968-8-13 504 Siskiyou Marble Mtn. Wilderness Area, NE side of Hancock Lake 1936 Comment
  UC1037369  Taxus brevifolia Douglas Barbe 1955-7-9 158 Siskiyou s side Kangaroo Lake; Scott Mountains, Kangaroo Lake 1828 Comment
  UC667974  Taxus brevifolia Joseph P. Tracy 1935-8-1 14418 Siskiyou 1 mi e Salmon Summit Mine (cirque at head of Knownothing Creek); Knownothing Creek 1767 Comment
  UC8  Taxus brevifolia W. H. Brewer 1862-9-9 1366 Siskiyou near Mt. Shasta; Upper Sacramento Valley Comment
  MACF017395  Taxus brevifolia Trudy R. Ericson 1974-8-8 219 Siskiyou About 17 mi. northwest of Happy Camp on road to Cave Junction, Oregon. Comment
  HSC18991  Tellima grandiflora J. O. Sawyer 1969-7-18 1386 Siskiyou Near South Russian Creek 1890 Comment
  HSC24028  Thalictrum polycarpum J. O. Sawyer 1971-7-15 2426 Siskiyou Along Red Rock Valley Creek 1585 Comment
  HSC78057  Thelypodium brachycarpum R. & G. Pederson 1979-9-18 Siskiyou Tulelake, Lower Klamath National Wildlife Refuge, islands 1238 Comment
  CAS-BOT-BC65025  Thelypodium laciniatum Julie Kierstead Nelson; Rhonda Posey 2007-6-15 2007 -006 Siskiyou North side of Mount Shasta, south of Hwy 97. Quadrangle 764 Juniper Flat. 1100 Comment
  CDA3886  Thlaspi arvense Don Shaw 1978-3-13 Siskiyou Clement Brothers property, Montague. 0 Comment
  UC1483560  Tiarella trifoliata var. unifoliata John Palmer 1980-8-12 710 Siskiyou se Wards Gap; Klamath National Forest, Condry Mtn. Quad 1188 Comment
  RSA378166  Tofieldia glutinosa subsp. occidentalis M. B. Dunkle 1945-7-24 9251 Siskiyou Klamath National Forest, Marble Mountains; Dad s Pocket Comment
  HSC69543  Tolmiea diplomenziesii Maralyn A. Renner 1980-8-6 2242 Siskiyou FS Rd. 40S07 crossing of Louse Creek 1127 Comment
  UC682095  Tolmiea diplomenziesii G. L. Stebbins Jr. with A. A. Beetle 1942-5-30 3264 Siskiyou 0.75 mi n Happy Camp (on edge of Indian Creek); Indian Creek 335 Comment
  RSA141252  Tolmiea menziesii G. Ledyard Stebbins, A. A. Beetle 1942-6-1 3274 Siskiyou Along Klamath River, at Swillup Creek Ranger Station. 256 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
  OBI8730  Torilis arvensis Tracey & Viola Call, Viola Call 1964-6-22 2277 Siskiyou Near Klamath River 1/4 mi E of mouth of Beaver crk 488 Comment
  HSC36819  Tragopogon dubius J. P. Smith 1974-5-27 7614 Siskiyou Along FS Rd. 47N03 1280 Comment
  OBI53781  Tragopogon dubius David J. Keil, Kathleen Keil 1992-7-19 23464 Siskiyou Klamath NF. 6.5 mi NW of Sawyers Bar on Sawyers Bar Rd Comment
  CAS-BOT-BC377155  Tragopogon porrifolius L. B. Kildale 1930-5-31 9815 Siskiyou Island in Klamath River near Hornbrook Comment
  CAS-BOT-BC377174  Tragopogon pratensis Geo. D. Butler 1910-7-1 1619 Siskiyou Street side, Yreka Comment
  HSC82355  Triantha occidentalis subsp. occidentalis Thomas W. Nelson, Jane P. Nelson, J. P. Smith 1978-7-24 4522 Siskiyou Siskiyou-Trinity County line, head of Scott Mtn. Creek, S of Forest Service campground 1646 Comment
  JEPS43404  Tribulus terrestris W. L. Jepson 1914-8-14 6160 Siskiyou near Dunsmuir (Castle Crag station) 670 Comment
  HSC61458  Trichostema oblongum Ruby Van Deventer 1939-7-18 Siskiyou Kelley Lake and Kelley Lake Trail Comment
  POM28045  Trifolium albopurpureum Geo. D. Butler 1909-5-13 710 Siskiyou Klamath hills Comment
  CHSC35548  Trifolium dubium James P. Smith 1973-5-5 6544 Siskiyou Scott Bar along the Scott River. Comment
  RSA47668  Trifolium eriocephalum subsp. eriocephalum Roxana S. Ferris, Laura Lorraine, Daniel F. Ferris 1948-6-12 11817 Siskiyou E Fork of Scott River drainage, Parker Ranch, Plowmans Valley. 1204 Comment
  HSC30416  Trifolium howellii Frederick W. Oettinger 1968-7-17 557 Siskiyou Pine Lake Meadow; elev. 6150 ft 1875 Comment
  UC866815  Trifolium hybridum A. A. Heller 1916-6-20 12415 Siskiyou Metcalf's Ranch ne base of Mt. Eddy 91 Comment
  RSA237891  Trifolium longipes subsp. elmeri Unspecified 1969-7-13 1005 Siskiyou Just North of Upper English Lake. 1951 Comment
  CHSC977  Trifolium longipes subsp. hansenii E. England 1939-6-30 Siskiyou Mt. Eddy. 1828 Comment
  POM216002  Trifolium macrocephalum Louis C. Wheeler 1935-6-2 3540 Siskiyou Shasta River, Siskiyou Mts. 732 Comment
  JEPS83895  Trifolium pratense Wayne Roderick Aug 1975 Siskiyou Cook and Green Pass Syskiyou Mtns Comment
  CAS-BOT-BC230886  Trifolium productum Geo. D. Butler 1910-7-9 1721 Siskiyou Marble Mountain 1828 Comment
  RSA145170  Trifolium productum Dorothy Parker 1959-7-5 734 Siskiyou Salmon Mountain 1677 Comment
  UC1045248  Trifolium repens William Bridge Cooke 1940-7-5 15234 Siskiyou Bear Springs meadow Mount Shasta 1524 Comment
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Mar 31 2006
  CHSC91362  Trifolium retusum Lowell Ahart; John Dittes 2005-6-10 12124 Siskiyou Northeast of the corral, end of Salvadori Road, Nelson Ranch, about 1 1/4 miles (air) south of Highway 99/97 Cutoff, about 5 1/4 miles (air) east-southeast of Grenada. 785 Comment
  SEINET4206959  Trifolium variegatum A. A. Heller 1905-6-5 7964 Siskiyou Between Shasta Retreat and Shasta Springs.; 0 Comment
  POM28038  Trifolium variegatum var. variegatum Geo. D. Butler 1910-3-27 1245 Siskiyou Oro Fino Comment
  JEPS66081  Trifolium wormskioldii W. L. Jepson July 1894 13650 Siskiyou Sisson Comment
  SEINET3151084  Triglochin maritima G. D. Butler 1910-8-21 1846 Siskiyou Shasta Valley Comment
  CDA39376  Trillium angustipetalum T. Kono 1979-5-2 s.n. Siskiyou Montgomery Creek. 0 Comment
  HSC30710  Trillium ovatum subsp. oettingeri Frederick W. Oettinger 1967-6-27 126 Siskiyou High Lake Basins in the vicinity of English Peak, Marble Mountain Wilderness Area; West of Statue Creek near the point where the Music Creek logging road makes hairpin turn 1756 Comment
  RSA760934  Trillium ovatum subsp. oettingeri Robert F. Thorne, Frederick W. Oettinger 1969-8-4 63359 Siskiyou Klamath National Forest, Salmon Mountains, Marble Mountain Wilderness Area, high lake basins in the vicinity of English Peak Comment
  UC1713746  Trillium ovatum subsp. oettingeri Maralyn A. Renner 1980-7-16 1782 Siskiyou Klamath Nat'l forest, Sawyers Bar Quad., Hancock Lake inlet 1950 Comment
  CAS-BOT-BC200090  Trisetum canescens W. R. Dudley 1899-8-22 s.n. Siskiyou Craggy Mt. 1981 Comment
  RSA238973  Trisetum canescens Frederick W. Oettinger 1969-9-5 1682 Siskiyou Salamander Pond near Abbott Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1677 Comment
  UC1265465  Trisetum canescens Frederick W. Oettinger 1969-9-5 1682 Siskiyou near Abbott Lake (Salamander Pond, vicinity of English Peak, w Siskiyou County); Salmon Mountains, Marble Mountain Wilderness Area 1676 Comment
  UCD93876  Trisetum canescens R. Tofsrud 1948-8-1 s.n. Siskiyou Near summit of road between Happy Camp and O'Brien Oregon. Comment
  CAS-BOT-BC200273  Trisetum spicatum Geo. B. Grant 1902-9-7 5092 Siskiyou Mt. Shasta - Horse Camp Comment
  RSA186329  Trisetum spicatum Gilbert Muth 1966-10-16 22 Siskiyou Marble Mountains 1793 Comment
  UC618667  Trisetum spicatum W. Bridge Cooke 1938-8-18 11485 Siskiyou Horse Camp Springs Mount Shasta (around the springs) Comment
  RSA78679  Triteleia crocea Philip A. Munz 1952-7-2 17872 Siskiyou Road to Baldy Mt., northwest of Happy Camp, Siskiyou Mts. 1494 Comment
  CAS-BOT-BC522333  Triteleia hyacinthina Ella Dales Cantelow 1937-8-16 1859 Siskiyou Summit of Scott Mt; Mt. Bog Comment
  CAS-BOT-BC522340  Triteleia hyacinthina W. R. Dudley 1893-6-21 s.n. Siskiyou Peter Klink's Meadow Comment
  UC635730  Triteleia ixioides subsp. anilina D. Tebbe 1929-6-7 143 Siskiyou Mt. Eddy Comment
  UC3300  Triteleia ixioides subsp. anilina C. B. Bradley 1879-1 Siskiyou Comment
  CDA15525  Triteleia laxa G. F. Hrusa 1998-7-5 14693 Siskiyou Siskiyou Mountains; Cedar Camp Rd. +- 5 mi. E of Weitchpec on Hwy 96. N side of Hwy. Mile 8.2. Comment
  CAS-BOT-BC526140  Triteleia laxa D. H. Norris 1970-5-23 12247 Siskiyou In open oak forest along Klamath River at Ishi Pishi Bridge near Somes Bar Comment
  HSC96310  Tsuga mertensiana Gordon Leppig 1998-8-14 1032 Siskiyou Klamath National Forest, Russian Wilderness, Little Duck Lake Fen, cirque W of Little Duck Lake 2200 Comment
  RSA184681  Tsuga mertensiana Gilbert Muth 1966-7-29 131 Siskiyou Marble Valley, Marble Mountains. 1793 Comment
  CAS-BOT-BC80248  Tsuga mertensiana subsp. grandicona Annetta Carter 1939-8-21 1465 Siskiyou above southeast end of Taylor Lake, 12 miles southwest of Etna, Salmon Mountains 2072 Comment
  UCD121866  Utricularia minor Barry Rice 2007-7-7 BR 070701 Siskiyou Lower Cliff Lake. 1747 Comment
  SEINET7040104  Vaccaria hispanica A. G. Vestal 1963-6-1 s.n. Siskiyou 2.8 miles north of Montague. Hawkinsville Quad. UTM Zone 10, 539617mE, 4625157mN. Comment
  RSA238872  Vaccinium Frederick W. Oettinger 1969-07 11 Siskiyou A short ways up the trail from Hancock Lake to Daimond Lake before Base Camp Meadow. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1982 Comment
  CAS-BOT-BC199183  Vaccinium cespitosum W. R. Dudley 1901-8-18 s.n. Siskiyou Near Jackson's Lake, Salmon Mts. Comment
  CAS-BOT-BC199201  Vaccinium cespitosum Harley P. Chandler 1901-6-1 1578 Siskiyou Near Marble Mountain 2133 Comment
  HSC31964  Vaccinium cespitosum Steve Selva, Roger Jensen 1974-8-16 14 Siskiyou N shore of Sugar Lake. Comment
  JEPS128461  Vaccinium cespitosum Julie Kierstead Nelson with Martin Lenz 2015-6-18 2015 -062 Siskiyou Headwaters of West Fork Parks Creek, 2 miles NNE of China Mountain; 7 miles W of town of Weed. Comment
  SEINET11972188  Vaccinium cespitosum H. P. Chandler 1901-1 1617 Siskiyou near Marble Mountain, North Coast Ranges 2134 Comment
  HSC18951  Vaccinium membranaceum J. O. Sawyer 1968-9-28 736 Siskiyou Along ridge NE of Orleans Mtn. 1677 Comment
  HSC19363  Vaccinium membranaceum J. O. Sawyer 1968-6-18 232 Siskiyou Valley bottom of Blakes' Fork. 1707 Comment
  HSC61122  Vaccinium membranaceum Ruby Van Deventer 1955-7-31 Siskiyou FS Rd. 17N04, Doe Flat Comment
  HSC69391  Vaccinium membranaceum Maralyn A. Renner 1980-8-31 2651 Siskiyou Poker Flat at trailhead to Twin Valley 1524 Comment
  CAS-BOT-BC199477  Vaccinium parvifolium Doris K. Kildale 1929-8-24 8838 Siskiyou Preston Peak 2225 Comment
  HSC18948  Vaccinium parvifolium J. O. Sawyer 1968-9-11 704 Siskiyou Slopes above Twin Valley 1524 Comment
  HSC19096  Vaccinium scoparium J. O. Sawyer 1969-8-1 1657 Siskiyou Along trail to Little Duck Lake 1951 Comment
  JEPS109750  Vaccinium scoparium Dean W. Taylor 2005-7-12 19387 Siskiyou Dry Creek Peak, cirque on north side of the peak (ca. 12 air miles NE of Mt. Shasta summit) 1950 Comment
  UCR219536  Valeriana sitchensis R. F. Thorne, Frederick W. Oettinger 1969-8-4 63361 Siskiyou Salmon Mountains, Klamath National Forest, Marble Mountain Wilderness Area, vicinity of English Peak 2098 Comment
  UC637032  Vancouveria hexandra Edward Lee 1934-8-13 1083 Siskiyou Happy Camp to Waldo (Oregon) road watershed of West Branch of Indian Creek; Klamath National Forest, watershed West Branch Indian Crk 1463 Comment
  RSA238573  Vancouveria hexandra Frederick W. Oettinger 1968-8-17 555 Siskiyou NW of Pine Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1860 Comment
  HSC91996  Veratrum californicum var. californicum Jennifer Whipple 1976-7-24 1533 Siskiyou Dale Creek drainage on the N face of Mt. Eddy 2195 Comment
  JEPS82496  Veratrum californicum var. californicum Gilbert Muth 1965-8-3 152 Siskiyou Marble Valley Marble Mt. Wilderness Area 1792 Comment
  UC164389  Veratrum insolitum Geo. D. Butler 1908-8-26 536 Siskiyou head of E<?> Creek Salmon Mountain 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
  UC1174940  Veratrum viride P. C. Everett and E. K. Balls 1959-10-23 23940 Siskiyou 4 mi sw from Etna (on road from Callaban to Somesbar); Salmon Mountains 1676 Comment
  CAS-BOT-BC527062  Veratrum viride var. eschscholzianum Gilbert Muth 1966-8-3 151 Siskiyou Marble Valley, Marble Mts. 1792 Comment
  HSC72388  Verbascum thapsus J. P. Smith, Steve Selva 1970-8-8 4545 Siskiyou Juanita Lake Comment
  HSC49933  Veronica copelandii Gilbert Muth 1978-8-2 7064 Siskiyou Near Cabin Meadow Creek, close to the town of Callahan 2048 Comment
  UC1001151  Veronica copelandii Dorothy Parker 1952-7-26 11 Siskiyou along edge of Cabin Meadow Creek which flows down the n slope of ridge between Scott Mountain and Mount Eddy Cabin Meadow Creek; Siskiyou Mountains, Cabin Meadow Creek 1981 Comment
  UC887764  Veronica persica Louis C. Wheeler 1935-4-17 3425 Siskiyou Greenhorn Creek; Siskiyou Mountains, Greenhorn Creek 1005 Comment
  RSA238796  Veronica serpyllifolia var. humifusa Frederick W. Oettinger 1968-9-5 720 Siskiyou Southeast side of Hancock Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1890 Comment
  UC164335  Veronica triphyllos Geo. D. Butler 1909-3-8 555 Siskiyou hills near Yreka Comment
  HSC91120  Veronica wormskjoldi