Search Results — 2000 specimen records retrieved (1372 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-BC419723  Abies concolor Julie Kierstead Nelson; Keli McElroy 2012-8-10 2012 -073 Siskiyou NW side of Gumboot Lake. 1853 Comment
  HSC69712  Abies concolor Maralyn A. Renner 1980-7-15 1771 Siskiyou English Lake inlet 1780 Comment
  RSA237338  Abies concolor Frederick W. Oettinger 1969-8-5 1194 Siskiyou Above Willow Springs along the trail from Abbots Upper Cabin to English Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1677 Comment
  RSA6533  Abies concolor Elmer I. Applegate 1895-5-30 s.n. Siskiyou East lake of Mt. Shasta, near Sissen. Comment
  UCD134142  Abies concolor Robert E. Preston 2001-6-30 1649 c Siskiyou Klamath National Forest, Rainbow Mountain, north slope of east lobe. 1920 Comment
  HSC4984  Abies lasiocarpa J. O. Sawyer 1968-7-9 754 Siskiyou W of Little Duck Lake. 1936 Comment
  HSC81890  Abies lasiocarpa var. lasiocarpa D. V. Hemphill 1986-7-18 Siskiyou S of Mavis Lake Comment
  RSA572075  Abies magnifica L. C. Wheeler 1934-8-10 3101 Siskiyou Siskiyou Mountains, Dead Cow Creek. 1890 Comment
  UC55653  Abies magnifica var. magnifica Harley P. Chandler 1901-6-1 1684 Siskiyou Marble Mountain North Coast Ranges, Marble Mountain 2438 Comment
  UCD134256  Abies magnifica var. shastensis Robert E. Preston 2001-6-30 1649 e Siskiyou Klamath National Forest, Rainbow Mountain, north slope of east lobe. 1920 Comment
  CHSC30110  Acer glabrum var. torreyi M. S. Taylor 1980-6-4 2781 Siskiyou On S side of Cedar Lake, ca. 11 mi SW of Mt. Shasta City. 1737 Comment
  RSA123631  Acer glabrum var. torreyi G. D. Barbe 1955-7-9 151 Siskiyou South side of Kangaroo Lake, Scott Mountains 1829 Comment
  RSA237832  Acer glabrum var. torreyi Frederick W. Oettinger 1967-8-21 302 Siskiyou Along trail to Pine Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. Comment
  CAS-BOT-BC332790  Acer macrophyllum A. A. Heller 1920-8-11 13506 Siskiyou Metcalf's ranch, NE base of Mt. Eddy 1158 Comment
  CAS-BOT-BC18871  Achillea millefolium J. M. Tucker; L. K. Mann; S. L. Holloway 1963-8-18 3758 Siskiyou Southwestern ridge of Black Marble Mountain, Marble Mountain Wilderness Area 2133 Comment
  CHSC105277  Achillea millefolium Lowell Ahart; John Dittes 2010-7-30 16954 Siskiyou About 30 yards west of the Shasta River, about 50 yards west of the East Louie Road Bridge, Shasta Big Springs Ranch, 1.6 miles (air) southwest of Big Springs Lake, 4.6 miles (air) northwest of Dwinnel Dam, 5.7 miles (air) southeast of Grenada. 716 Comment
  CHSC247  Achillea millefolium W. Gorsuch 1935-6-28 Siskiyou SS Campus. 1097 Comment
  UCR37814  Achillea millefolium K. T. Stillman 1976-7-15 251 Siskiyou Marble Mountain Wilderness Area, Scott Bar 15' Q. 1951 Comment
  CAS-BOT-BC30444  Achillea millefolium D. M. Traugh 1933-5-25 62 Siskiyou Klamath N.F. 609 Comment
  RSA416235  Achillea millefolium J. P. Smith 1973-5-5 6527 Siskiyou Scott Bar along the Scott River. Comment
  RSA47651  Achnatherum lemmonii var. lemmonii Roxana S. Ferris, Laura Lorraine 1948-06 11791 Siskiyou Scott Mountain Road south of Callahan Comment
  RSA577538  Achnatherum lemmonii var. lemmonii L. C. Wheeler 1935-5-11 3480 Siskiyou Klamath River at Ash Creek; Siskiyou Mountains. 610 Comment
  CAS-BOT-BC110707  Achnatherum nelsonii subsp. dorei L. P. Janeway 1983-8-26 606 Siskiyou Siskiyou Mountains. At Poker Flat. 1524 Comment
  JEPS104958  Achnatherum nelsonii subsp. dorei Dean W. Taylor 1996-6-28 15760 Siskiyou Antelope Mountain (about 8 air miles south of Yreka) 1798 Comment
  CAS-BOT-BC216924  Achnatherum occidentale Alice Eastwood 1921-7-28 10931 Siskiyou Medicine Lake Comment
  UCD50891  Achnatherum occidentale A. A. Heller 1916-6-22 12427 Siskiyou Near Black Butte north of Sisson. 1097 Comment
  RSA238979  Achnatherum occidentale subsp. californicum Frederick W. Oettinger 1968-8-8 454 -a 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
  UC1265475  Achnatherum occidentale subsp. californicum Frederick W. Oettinger and R. F. Thorne 1969-8-4 1156 Siskiyou near Halfway Spring (on trail from English Lake to Diamond Lake; vicinity of English Peak Marble Mountains Wilderness Area); Salmon Mountains, High Lake Basins 1828 Comment
  UCD51146  Achnatherum occidentale subsp. californicum Dean Wm. Taylor 1975-8-14 5364 Siskiyou Mt. Shasta, between Shasta Ski area and Green Butte. 2590 Comment
  CAS-BOT-BC210871  Achnatherum occidentale subsp. californicum W. R. Dudley 1899-8-13 s.n. Siskiyou Near Nabar Meadows, McCloud Comment
  UC563984  Achnatherum occidentale subsp. occidentale Elmer I. Applegate 1935-6-10 9481 Siskiyou s base of Caldwell Butte Lava Beds National Monument Comment
  UCD51434  Achnatherum thurberianum Verne Grant; Irving Schneider 1947-8-26 8298 Siskiyou Lava Beds National Monument. Comment
  UCD51439  Achnatherum thurberianum L. Whitney 1934-6-27 s.n. Siskiyou 30 miles SW of Tennant. 1371 Comment
  CHSC96730  Aconitum columbianum Gordon Leppig; Jennifer Kalt 1996-7-9 370 Siskiyou Klamath National Forest, Russian Wilderness, Little Duck Lake Fen. Subalpine fen in cirque west of Little Duck Lake. NAD 27 UTM Zone 10, 503813E, 4572466N. 2200 Comment
  CAS-BOT-BC391515  Aconitum columbianum subsp. columbianum Alice Eastwood 1912-7-17 1189 a Siskiyou Sisson Comment
  CAS-BOT-BC391530  Aconitum columbianum subsp. columbianum W. R. Dudley 1899-8-24 s.n. Siskiyou Meadow (Lunch Creek), Craggy Peak Comment
  HSC92159  Aconitum columbianum subsp. columbianum Jennifer Whipple 1976-7-8 1352 Siskiyou Along drainage into SW side of Dobkins Lake 2195 Comment
  CAS-BOT-BC391586  Aconitum columbianum subsp. viviparum John Thomas Howell 1939-8-7 15123 Siskiyou Sky High Valley, Marble Mts. 1828 Comment
  POM365584  Aconitum columbianum var. columbianum M. B. Dunkle 1944-7-1 9056 Siskiyou Siskiyou Natl. Forest 1829 Comment
  HSC61828  Aconogonon phytolaccifolium Ruby Van Deventer 1937-7-14 Siskiyou Poker Flat 1585 Comment
  SEINET4175530  Aconogonon phytolaccifolium G. D. Butler 1910-7-8 1674 Siskiyou Shackleford Creek Comment
  HSC4992  Actaea rubra J. O. Sawyer 1968-6-18 238 Siskiyou Valley bottom of Blakes' Fork. 1707 Comment
  HSC61851  Actaea rubra Ruby Van Deventer 1959-7-9 Siskiyou Poker Flat 1585 Comment
  CAS-BOT-BC391708  Actaea rubra L. E. Smith 1914-9-1 757 Siskiyou Castle Lake Comment
  UC1408851  Actaea rubra Frederick W. Oettinger 1968-9-1 635 Siskiyou e. side Abbotts lake; Salmon Mts., High Lake Basins, English Peak vicinity, Marble 1722 Comment
  CAS-BOT-BC29322  Adenocaulon bicolor A. A. Heller 1916-8-24 12558 Siskiyou Near Sisson 1074 Comment
  RSA264984  Adenocaulon bicolor Gilbert Muth 1975-8-1 s.n. Siskiyou Near Sutcliffe Creek, near Happy Camp 1341 Comment
  UC61077  Adenocaulon bicolor W. A. Setchell, C. C. Dobie 1902-7-22 Siskiyou Mc Cloud River (The Bend); Mount Shasta, Mc Cloud River (The Bend) Comment
  OBI55435  Adenocaulon bicolor David J. Keil 1992-7-20 23494 Siskiyou Klamath Natl forest, W of Fort Jones. Along forest Rd 44N45, 3.9 mi S of Scott River Rd Comment
  UC922471  Agastache urticifolia Annie M. Alexander and Louise Kellogg 1949-7-21 5824 Siskiyou s Paradise Lake (Paradise Lake, Marble Mountains); Marble Mountains, Paradise Lake 1920 Comment
  HSC23616  Ageratina occidentalis J. O. Sawyer 1969-8-1 1663 Siskiyou SE facing slope above Duck Lake Creek 1951 Comment
  HSC29227  Ageratina occidentalis Frederick W. Oettinger 1968-8-23 616 Siskiyou Diamond Lake spillway half way to English Lake 1951 Comment
  CAS-BOT-BC29517  Agoseris William A. Dayton Jr. 1912-7-28 160 Siskiyou Shasta Forest, Ash Creek Sink Range 1188 Comment
  UC609358  Agoseris aurantiaca var. aurantiaca Eleanor Burks Hart 1938-8-21 Siskiyou Upper Wright Lake Upper Wright Lake 2225 Comment
  CAS-BOT-BC15381  Agoseris grandiflora var. grandiflora Alice Eastwood 1912-7-17 1171 Siskiyou Sisson Comment
  CAS-BOT-BC15344  Agoseris heterophylla Alice Eastwood 1923-5-20 11862 Siskiyou Shasta Springs Comment
  JEPS23680  Agoseris heterophylla var. heterophylla W. L. Jepson 1894-1 Siskiyou Sisson Comment
  JEPS36269  Agoseris heterophylla var. heterophylla Geo. D. Butler 1909-4-26 605 Siskiyou Orofino Comment
  CAS-BOT-BC110737  Agropyron Melissa A. Berry 1957-7-2 s.n. Siskiyou Scott Valley. 822 Comment
  HSC48281  Agrostis exarata J. O. Sawyer, K. T. Stillman 1978-7-6 3351 Siskiyou Along Happy Camp - O'Brien Rd., above Louse Creek. Comment
  RSA13870  Agrostis exarata L. C. Wheeler 1934-6-26 2792 Siskiyou Siskiyou Mountains, Cottonwood Creek. 838 Comment
  UCD37082  Agrostis exarata Beecher Crampton 1956-8-21 3821 Siskiyou Siskiyou County, 0.25 mile northeast of Gumboot Lake. 1828 Comment
  UCD52094  Agrostis exarata Beecher Crampton 1956-8-21 3804 Siskiyou slope above Gumboot Lake, headwater of the south fork of the Sacramento River. 1920 Comment
  CAS-BOT-BC139564  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-BC139574  Agrostis gigantea Wm. Bridge Cooke 1938-9-17 11693 Siskiyou Mount Shasta. Horse Camp. 2438 Comment
  RSA233687  Agrostis humilis R. F. Thorne, Fred Oettinger 1969-8-10 38956 Siskiyou Mt. Shasta National Forest: S slope of Mt. Shasta, Panther Creek Meadows 2195 Comment
  HSC22432  Agrostis pallens J. O. Sawyer 1969-7-24 1508 Siskiyou SE facing slope W of Sugar Lake 1905 Comment
  RSA239085  Agrostis pallens Frederick W. Oettinger 1969-9-3 1612 Siskiyou Shasta Ridge. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2073 Comment
  SEINET7594102 Image available Agrostis pallens F. W. Oettinger 1969-1 1390 b Siskiyou near Upper English Lake, Salmon Mountains 1768 Comment
  HSC101547  Agrostis scabra J. P. Smith 2009-8-22 12658 Siskiyou Along the road to Bray. 1422 Comment
  UCD53399  Agrostis scabra R. Tofsrud 1950-7-1 s.n. Siskiyou E side of Mt. Shasta. Comment
  RSA206889  Agrostis stolonifera Th. Holm 1903-9-6 3801 Siskiyou Capeland Comment
  CAS-BOT-BC138483  Agrostis variabilis A. A. Heller 1922-7-15 13697 Siskiyou On the edge of the small lake at Medicine Lake. 2133 Comment
  CAS-BOT-BC459434  Allium acuminatum L. R. Short 1933-6-16 31 Siskiyou Klamath Forest 762 Comment
  UC375194  Allium bolanderi Geo. D. Butler 1909-3-21 663 Siskiyou dry hills near Oro Fino Comment
  RSA550217  Allium bolanderi var. mirabile D. W. McNeal 1992-5-16 3910 Siskiyou Sandy soil layer over a conglomerate substrate on a steep slope above the dirt road running NW from Hilt, 4.8 miles NW of Interstate 5 at the Hilt exit. Comment
  CAS-BOT-BC466699  Allium cratericola A. M. Vollmer; L. Beane 1951-5-31 17 Siskiyou Near highway, Scott Mountain Comment
  HSC91449  Allium falcifolium Jennifer Whipple 1976-6-17 1017 Siskiyou N face of Mt. Eddy 2226 Comment
  SBBG19828  Allium falcifolium E. Bacciu 1961-6-1 Siskiyou Mt Eddy Crk, near Weed 1524 Comment
  SBBG844  Allium falcifolium K. K. Muller 1954-6-23 645 Siskiyou summit ca. 3.5 mi S of Oregon line on road to Happy Camp, Siskiyou Mtns Comment
  CAS-BOT-BC469231  Allium falcifolium K. T. Stillman 1976-8-7 194 Siskiyou Marble Mountain Wilderness Area 1828 Comment
  HSC68531  Allium siskiyouense Maralyn A. Renner 1980-6-24 1060 Siskiyou Ridge 0.5 mi. E of Cook and Green Pass 1555 Comment
  UC375195  Allium validum Geo. D. Butler 1908-8-3 112 Siskiyou canyon below Log Lake Shackleford Creek Comment
  UCD77315  Allium validum Robert E. Preston 2001-8-26 1758 Siskiyou Klamath National Forest, north slope of Rainbow Mountain, n of Hemlock Lake. 1877 Comment
  HSC45190  Allotropa virgata J. O. Sawyer, E. Cope 1977-6-18 2928 Siskiyou Along Clear Creek Trail between Ten Mile Creek and Bear Pen Creek 610 Comment
  CAS-BOT-BC453443  Allotropa virgata Volney Rattan 1879-6-1 s.n. Siskiyou Klamath Comment
  CAS-BOT-BC171248  Alnus L. E. Smith 1913-3-28 616 Siskiyou Weed Comment
  CAS-BOT-BC171393  Alnus incana subsp. tenuifolia Alice Eastwood 1921-7-25 10823 Siskiyou Bigelows, on the Mc. Cloud R. Comment
  UCD77319  Alnus incana subsp. tenuifolia Robert E. Preston 2002-6-20 1863 Siskiyou Klamath National Forest, Rainbow Mountain, north slope 1910 Comment
  CAS-BOT-BC169645  Alnus rhombifolia W. R. Dudley 1899-8-23 s.n. Siskiyou East Fork of Scott Creek Comment
  CAS-BOT-BC169386  Alnus viridis subsp. sinuata Gilbert Muth 1966-7-29 462 Siskiyou Damp meadow, Marble Valley, by waterfall. Marble Mts. 1828 Comment
  HSC2376  Alnus viridis subsp. sinuata William J. Ferlatte 1966-7-7 192 Siskiyou Caribou Basin. 1982 Comment
  HSC2197  Alopecurus aequalis L. C. Wheeler 1934-6-26 2795 Siskiyou Cottonwood Creek 838 Comment
  CAS-BOT-BC138105  Alopecurus aequalis var. aequalis Dorothy Parker 1950-6-21 460 Siskiyou Along the edges of a slough in Scott Valley. 853 Comment
  UCR19354  Alyssum alyssoides Edwin Kline 1920-6-24 s.n. Siskiyou [no specific locality] 1067 Comment
Read comments
Sep 26 2018
  CAS-BOT-BC17201  Alyssum alyssoides L. E. Smith 1913-4-22 90 Siskiyou Yreka. Comment
  CDA3622  Alyssum alyssoides Don Shaw 1984-4-8 Siskiyou Yreka Ager Road, Montague. 0 Comment
  RSA48581  Alyssum alyssoides P. A. Munz 1949-5-18 13307 Siskiyou 14 miles SW of Gazelle on Callahan road. 1463 Comment
  CHSC63593  Ambrosia artemisiifolia Vernon H. Oswald; Lowell Ahart 1994-8-10 6448 Siskiyou Pilgrim Creek Rd. (FS13) at the railroad crossing 0.9 mi N of Hwy. 89, ca. 3 mi (air) ENE of McCloud. 1048 Comment
  CAS-BOT-BC136717  Amelanchier alnifolia var. pumila Donald Myrick 1961-6-20 279 Siskiyou On road to Bear Springs east of Mt. Shasta City Comment
  CAS-BOT-BC142874  Amelanchier alnifolia var. semiintegrifolia Ira L. Wiggins 1950-5-28 12366 Siskiyou Margins of Carmen Lake, about 1.5 miles east of Scott Mountain road 1737 Comment
  CDA25701  Amelanchier pallida T. C. Fuller 1962-6-13 8976 Siskiyou Highway 89 to McCloud 1.2 miles west of Bartle. 0 Comment
  JEPS126016  Amelanchier pallida C. S. Campbell, M. Lorusso 2011-5-20 11 -317 Siskiyou Pat Trinca's property, east side of Hilt Valley Comment
  POM88107  Amelanchier pallida Geo. D. Butler 1910-4-24 s.n. Siskiyou Quartz Valley Comment
  CAS-BOT-BC136900  Amelanchier utahensis John Thomas Howell 1939-8-2 14919 Siskiyou Spirit Lake, Marble Mts. 1828 Comment
  CAS-BOT-BC136915  Amelanchier utahensis Roxana S. Ferris; Laura Lorraine 1948-6-12 11800 Siskiyou Scott Mt. Rd. so. of Callahan 1463 Comment
  RSA0089948  Amsinckia menziesii var. menziesii L. Ahart 2005-6-9 12046 Siskiyou On the east side of a poor rock fence, about 350 yards E of where cattle water in the Shasta River, about 3/5 mile (air) south of Highway 99/97 Cutoff, about 2.5 miles (air) ESE of Grenada. 775 Comment
  HSC3533  Amsinckia tessellata var. tessellata D. M. Thomson 1965-7-17 149 Siskiyou Lava Beds National Monument, N boundary road by Canbys Cross Comment
  CAS-BOT-BC45214  Anaphalis margaritacea L. E. Smith 1914-7-6 753 Siskiyou Cantara Comment
  CAS-BOT-BC45216  Anaphalis margaritacea Alice Eastwood 1912-7-23 1344 Siskiyou Cantara Comment
  CAS-BOT-BC45217  Anaphalis margaritacea Louis C. Wheeler 1934-8-14 3120 Siskiyou 1 mile west of White Mountain, Siskiyou Mountains 1920 Comment
  UC165395  Ancistrocarphus filagineus Geo. D. Butler 1909-5-23 718 Siskiyou trodden plains near Yreka Comment
  JEPS20045  Androsace elongata subsp. acuta George D. Butler 1909-3-7 579 Siskiyou near Yreka (Butcher Hill); Butcher Hill Comment
  CHSC32971  Anemone deltoidea J. P. Smith; Steve Selva 1970-6-16 4063 Siskiyou 8 miles west of Etna on road to Sawyers Bar. 1371 Comment
  CHSC96098  Anemone deltoidea L. P. Janeway 2006-7-3 8758 Siskiyou Klamath Ranges. Salmon Mountains; creeklet at head of Music Creek. 1981 Comment
  SBBG30505  Anemone deltoidea D. Myrick 1968-6-27 2034 Siskiyou Big Flat Public Camp, head of Coffee Crk 1524 Comment
  HSC27343  Anemone drummondii J. P. Smith, J. O. Sawyer, Maralyn O'Meara 1972-7-3 5702 Siskiyou E slope of Kangaroo Mtn., above Toehead Lake. 1890 Comment
  SEINET12093424  Anemone lyallii H. P. Chandler 1901-1 1551 Siskiyou near Marble Mountain 1829 Comment
  UC8931  Anemone occidentalis Harley P. Chandler June, 1901 1637 Siskiyou ridges & meadows near Marble Mt.; North Coast Ranges 2133 Comment
  RSA259561  Anemone occidentalis J. P. Smith, J. O. Sawyer 1973-8-14 7321 Siskiyou Hillside W of Cliff Lake 1982 Comment
  SJSU2564  Anemone oregana var. oregana H. L. Buckalew 1962-7-14 Siskiyou Poker Flat c. 3 mi W of junction of Indian Cr with W Branch of Indian Cr, Siskiyou Mts 1143 Comment
  UCD127105  Angelica arguta R. Tofsrud 1948-8-3 s.n. Siskiyou Siskiyou-Del Norte (Oregon) County Line: Summit of Happy Camp, Waldo (Oregon) Road. 1554 Comment
  HSC71958  Angelica tomentosa J. M. DiTomaso 1980-8-26 1917 Siskiyou Shasta Springs, 2 mi along railroad track, N end of Scarlet Way, 4 mi N of Dunsmir. Along W side of Sacramento River 762 Comment
  POM34161  Antennaria dimorpha Geo. D. Butler 1910-3-24 1140 Siskiyou Shasta Rim Hills Comment
  CHSC29308  Antennaria geyeri J. D. Prouty; A. Ratcliff 1979-6-28 79 .89 Siskiyou Toad Mtn. 152 Comment
  JEPS14953  Antennaria geyeri A. A. Heller 1916-7-21 12482 Siskiyou near Upton 1097 Comment
  SEINET2038331  Antennaria geyeri J. William Thompson 1936-7-8 13158 Siskiyou Lava BedsNational Monument Comment
  HSC29211  Antennaria howellii Frederick W. Oettinger 1986-9-3 679 Siskiyou High Lake Basins of the Marble Mountains Wilderness Area; between Horse Range Lake and 'Horses Hole' pond 1860 Comment
  JEPS82731  Antennaria howellii subsp. howellii Wayne Roderick 1983-7-8 Siskiyou on n-facing slope Cook and Green Pass 1432 Comment
  HSC45211  Antennaria media J. O. Sawyer, E. Cope 1977-6-20 2964 Siskiyou Behind Devil's Punchbowl 1829 Comment
  CAS-BOT-BC79902  Antennaria microphylla Hans Leschke 1960-8-10 1758 Siskiyou Badger Flat 1912 Comment
  CAS-BOT-BC84758  Antennaria rosea subsp. rosea K. T. Stillman 1976-8-7 213 Siskiyou Scott Bar quad. Marble Mountain Wilderness Area 1950 Comment
  SJSU6268  Apocynum androsaemifolium R. W. Trivelpiece 1971-8-18 71 Siskiyou c. 3.5 mi N of Cecilville on S Fork Salmon River, Salmon River Mts 1249 Comment
  UC164101  Apocynum androsaemifolium Geo. D. Butler 1908-8-24 73 Siskiyou Russian Creek, Eldredge's Corral Comment
  CAS-BOT-BC392018  Aquilegia Alice Eastwood 1922-10-18 11538 Siskiyou Shasta Springs Comment
  CAS-BOT-BC397940  Aquilegia formosa Doris K. Kildale 1929-7-20 8730 Siskiyou Raspberry Lake, upper S Fork of Indian Creek 1828 Comment
  POM95067A  Arabis breweri Geo. D. Butler 1909-5-14 726 Siskiyou Klamath River Comment
  RSA0125739  Arabis breweri Frederick W. Oettinger 1968-8-22 602 Siskiyou Above English Lake to Diamond Lake trail on English Lake side of pass to Diamond Lake. Salmon Mts.; High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2098 Comment
  RSA0125741  Arabis breweri Frederick W. Oettinger 1969-7-15 1026 Siskiyou Between Diamond Lake and Upper English Lake. Salmon Mtns. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2012 Comment
  RSA0125809  Arabis glabra Frederick W. Oettinger 1969-8-16 1405 Siskiyou Wire Grass meadow, English Lake basin (below it). Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. Comment
  UC165312  Arabis holboellii Geo. D. Butler 1910-7-8 1663 Siskiyou Log Lake Shackleford Creek 1219 Comment
  SEINET193230  Arabis holboellii var. pinetorum Lincoln Constance, Reed C. Rollins 1942-5-13 2914 Siskiyou Scott River 10 miles southwest of Scott Bar. 610 Comment
  UC375279  Arabis holboellii var. retrofracta Geo. D. Butler 1910-6-5 1525 Siskiyou Log Lake Shackleford Creek Comment
  SFV1406  Arabis modesta A. M. Vollmer, L. Beane 1951-6-2 73 Siskiyou Road between Streamline Lodge and Deer Camp, north of Klamath River Highway. Comment
  HSC233  Arabis sparsiflora var. subvillosa William J. Ferlatte 1967-7-26 763 Siskiyou NW side of Caribou Mtn. 1829 Comment
  POM94633  Arabis suffrutescens Geo. D. Butler 1909-4-25 610 Siskiyou Quartz Valley. Comment
  UC933378  Aralia californica Annie M. Alexander and Louise Kellogg 1948-9-7 5587 A Siskiyou at small creek S. Fork Salmon River Siskiyou Mts., S. Fork Salmon River Comment
  HSC15899  Arceuthobium campylopodum R. C. Wunner 1965-8-14 431 Siskiyou Lava Beds National Monument, 2 mi. S of Mammoth Crater on Tickner Rd. 1555 Comment
  CAS-BOT-BC410042  Arceuthobium cyanocarpum William Bridge Cooke 1938-8-23 11576 Siskiyou N slope of Shastina in the upper end of the Shastina lava park 2438 Comment
  SEINET3239865  Arceuthobium monticola R. L. Mathiasen 2003-1 2003 -64 Siskiyou 1.4 km W of Cook and Green Pass. 1640 Comment
  CAS-BOT-BC102218  Arctium minus Lewis S. Rose 1945-6-18 45052 Siskiyou Horse Creek & Klamath River 502 Comment
  HSC43027  Arctostaphylos manzanita J. O. Sawyer, Ken Stillman 1976-7-2 2800 Siskiyou Ridges E of the Little N Fork Trail 732 Comment
  CAS-BOT-BC39985  Arctostaphylos nevadensis G. B. Grant 1902-9-8 5128 Siskiyou Mt. Shasta - Horse Camp 2743 Comment
  CAS-BOT-BC39989  Arctostaphylos nevadensis Louis C. Wheeler 1934-7-23 75638 Siskiyou Long John creek 1463 Comment
  CAS-BOT-BC40016  Arctostaphylos nevadensis Albert Seneres; Nigel Harold; Stephen W. Edwards 1982-10-2 s.n. Siskiyou On southwest grassy spur of Deadwood Peak Comment
  CAS-BOT-BC40017  Arctostaphylos nevadensis Edna Kelsey 1961-8-1 s.n. Siskiyou Marble Mts., Shackleford Trail below Bull Meadow Comment
  CAS-BOT-BC45440  Arctostaphylos nevadensis H. A. Thomas; J. H. Thomas 1954-7-24 4506 Siskiyou Salmon-Trinity Mts. Vicinity of Rush Lake and Rush Creek Meadow. About 9 mi. e. of Cecilville. 1828 Comment
  CAS-BOT-BC45443  Arctostaphylos nevadensis Roger Raiche; Kurt Zadnik 1982-10-12 20785 Siskiyou Eleven miles west-northwest of Yreka at Deadwood Lookout. 1706 Comment
  HSC4919  Arctostaphylos nevadensis J. O. Sawyer 1968-6-18 223 Siskiyou Headwaters of Blake's Fork of S Russian Creek 1738 Comment
  HSC58863  Arctostaphylos nevadensis Marvin Butler 1971-7-6 25 Siskiyou Near El Capitan 1524 Comment
  HSC92274  Arctostaphylos nevadensis Jennifer Whipple 1976-6-11 968 Siskiyou Wagon Creek drainage on the E face of Mount Eddy 2195 Comment
  CAS-BOT-BC46428  Arctostaphylos patula Doris K. Kildale 1929-4-27 7483 a Siskiyou Upper South Fork of Salmon River. Comment
  HSC4927  Arctostaphylos patula J. O. Sawyer 1968-7-9 409 Siskiyou Ridge between Sugar Creek and Duck Lake Creek drainages 2195 Comment
  HSC7702  Arctostaphylos patula D. M. Thomson 1965-8-14 190 Siskiyou Lava Beds National Monument, Tickner Rd., 2 mi. SW of Mammoth Crater Comment
  UCD53417  Arctostaphylos patula Robert E. Preston 2001-6-23 1564 Siskiyou Klamath National Forest; north slope of Rainbow Mtn. at Hemlock Lake. 1889 Comment
  CAS-BOT-BC47021  Arctostaphylos viscida subsp. viscida Lewis S. Rose 1945-6-22 45162 Siskiyou Walker, Klamath River. 533 Comment
  UC82981  Arctostaphylos viscida subsp. viscida Dr. E. B. Copeland 1903-7-14 3519 Siskiyou Klamathon Comment
  UC1409373  Arenaria congesta var. congesta Frederick W. Oettinger 1969-8-4 395 Siskiyou vicinity English Peak (Trail break on Crapo Peak ridge.); Salmon Mountains, Marble Mountains Wilderness Area, The High 2194 Comment
  CAS-BOT-BC384749  Arenaria serpyllifolia var. serpyllifolia John Thomas Howell 1952-6-14 28349 Siskiyou East of Etna on Ft. Jones - Callahan road Comment
  HSC62127  Arnica amplexicaulis Al Hobart 5 Aug [year missing] Siskiyou Preston Peak Comment
  HSC46314  Arnica discoidea J. P. Smith, Steve Selva 1970-7-15 4370 Siskiyou 2 mi. below the Baldy Mt. Lookout Station. Comment
  CHSC95117  Arnica latifolia L. P. Janeway 2006-7-2 8740 Siskiyou Klamath Ranges. Salmon Mountains; headwaters of West Fork Whites Gulch, a tributary of North Fork Salmon River from the south; between sharp switchbacks of Road 40N61. Steep north-facing slope just above alder-shaded creek. 1561 Comment
  SJSU6541  Arnica latifolia R. W. Trivelpiece 1973-6-28 155 Siskiyou Big Duck Lake, Scott River drainage c. 7.5 mi W of Callahan, southwestern Siskiyou County 2042 Comment
  CAS-BOT-BC82658  Arnica latifolia Gilbert Muth 1966-7-19 431 Siskiyou Marble Mountain Lookout trail, Marble Mts. 1828 Comment
  RSA238810  Arnica mollis Frederick W. Oettinger 1968-8-24 625 Siskiyou Below Tom's Lower Pond . The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1860 Comment
  UC1408813  Arnica mollis Frederick W. Oettinger 1968-8-24 625 Siskiyou in gorge below, (the high lake basins in vicinity of English Peak) Tom's Lower Pond; Salmon Mountains, Marble Mountain Wilderness Area 1859 Comment
  UC76022  Arnica nevadensis Milo S. Baker 1898-8-1 502 Siskiyou sw of Lake Medicine Comment
  RSA238816  Arnica parryi subsp. sonnei Frederick W. Oettinger 1969-7-28 1087 Siskiyou NE above Toms Upper Pond. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2027 Comment
  JEPS50861  Arnica viscosa Al Hobart 1967-8-8 Siskiyou just s of, extreme w Siskiyou Co Youngs Valley; Siskiyou Mts., El Capitan 1828 Comment
  UC618863  Arnica viscosa W. Bridge Cooke 1938-8-18 11501 Siskiyou some distance above, on sw slope of Mt. Shasta Horse Camp; Mt. Shasta 2529 Comment
  UCD56028  Arrhenatherum elatius A. A. Beetle; G. L. Stebbins Jr. 1942-5-31 3442 Siskiyou Near Happy Camp. On sandy banks of Klamath River. Comment
  UCR45430  Artemisia arbuscula K. T. Stillman 1976-9-9 483 Siskiyou Marble Mountain Wilderness Area 1951 Comment
  CHSC72223  Artemisia biennis Vernon H. Oswald; Lowell Ahart 1998-9-16 9648 Siskiyou Tour Route at Lower Klamath NWR 3 mi south of Hwy. 161. 1243 Comment
  SEINET7239372 Image available Artemisia tridentata G. D. Butler 1910-9-12 1883 Siskiyou Butte Valley 1280 Comment
  HSC5013  Artemisia tridentata subsp. tridentata W. L. Jepson 1940-6-23 20022 Siskiyou Andesite Sta., N of Mt. Shasta 976 Comment
  RSA237599  Aruncus sylvester Frederick W. Oettinger 1969-9-4 1670 Siskiyou Cliffs south of of Tobacco Lake basin. Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1829 Comment
  RSA293186  Aruncus vulgaris J. M. Smith 1978-5-28 9956 Siskiyou Klamath National Forest, 7.6 miles SE of Somes Bar on the road along the Salmon River Comment
  RSA238021  Asarum caudatum Frederick W. Oettinger 1967-8-20 285 Siskiyou 100 yds down stream from Tom Taylor Cabin springs. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2012 Comment
  SEINET10923196  Asclepias fascicularis Edwin B. Copel 1903-7-4 Copeland 3558 Siskiyou Klamathon Comment
  JEPS80660  Asclepias speciosa W. B. and V. G. Cooke 1980-7-26 59013 Siskiyou Everitt Memorial Highway Mt. Shasta Comment
  RSA15601  Asclepias speciosa C. B. Wolf 1927-8-26 1100 Siskiyou Klamath River, 14 miles above Happy Camp. Comment
  HSC69706  Aspidotis densa Maralyn A. Renner 1980-6-26 1260 Siskiyou Klamath National Forest, ridge along FS Rd. 15N01, 1 mi. N of Flint Valley. 1494 Comment
  HSC76918  Aspidotis densa K. T. Stillman 1976-6-26 130 Siskiyou Marble Mtn. Wilderness Area, top of ridge W of Kings Castle. 2073 Comment
  UC1408841  Aspidotis densa Frederick W. Oettinger 1968-8-23 610 Siskiyou due e and 50 ft below Diamond Lake; Salmon Mts, High Lake Basins, English Peak vicinity, Marble 2057 Comment
  UC722388  Aspidotis densa C. L. Hitchcock and J. S. Martin 1939-7-7 5283 a Siskiyou 1/2 mi below Sanger Peak Lookout 1524 Comment
  RSA60664  Aspidotis densa I. L. Wiggins 1950-5-28 12379 Siskiyou Just above Grouse Lake, headwaters of Grouse Lake 1829 Comment
  POM193509  Aster oregonensis J. B. Feudge 1928-8-11 1912 Siskiyou Mt. Shasta City 1037 Comment
  HSC14547  Astragalus californicus Dorothy Parker 1948-6-14 Siskiyou Rail Creek, Plowman's Valley, E fork of Scott River drainage. 1204 Comment
  CAS-BOT-BC178822  Astragalus californicus Geo. D. Butler 1909-5-8 593 Siskiyou Dry land near Yreka Comment
  JEPS54792  Astragalus purshii E. B. Copeland 1903-7-6 3557 Siskiyou Hornbrook Comment
  CAS-BOT-BC192916  Astragalus purshii var. lectulus Copeland 1903-7-6 3557 Siskiyou Hornbrook Comment
  RSA184717  Astragalus purshii var. lectulus Gilbert Muth 1966-7-22 438 Siskiyou Marble Rim, Marble Mountains 2195 Comment
  CAS-BOT-BC210243  Astragalus purshii var. tinctus Dana York 2011-8-12 3050 Siskiyou Marble Mountain Wilderness. Klamath National Forest, Marble Mountain ridge 2055 Comment
  CAS-BOT-BC199146  Astragalus whitneyi var. siskiyouensis John Thomas Howell; Alice Eastwood 1937-6-25 5019 Siskiyou Scott Mts. S of Callahan Comment
  HSC92413  Astragalus whitneyi var. siskiyouensis Jennifer Whipple 1976-6-17 1036 Siskiyou Scree slopes near Little Crater Lake. 2195 Comment
  CAS-BOT-BC68750  Athyrium alpestre var. americanum Gilbert J. Muth 1969-8-7 1270 Siskiyou Boulder Peak Ridge 2468 Comment
  HSC29366  Athyrium distentifolium var. americanum Frederick W. Oettinger 1968-8-12 499 Siskiyou Marble Mtn. Wilderness Area, just SE of Tobacco Lake 1890 Comment
  CAS-BOT-BC66188  Athyrium filix-femina var. cyclosorum Edward Lee 1934-8-11 1037 Siskiyou Walker Creek, a tributary of the Klamath River (east end of Seiad Valley) 609 Comment
  UC42238  Athyrium filix-femina var. cyclosorum Marshall A. Howe 1894-7-25 Siskiyou Sisson Comment
  UC637169  Athyrium filix-femina var. cyclosorum Edward Lee 1934-8-11 1032 Siskiyou e end Seiad Valley (Walker Creek, a tributary of Klamath River) 609 Comment
  HSC4354  Atriplex rosea L. C. Wheeler 1934-10-24 3348 Siskiyou Oak Knoll Ranger Station, Klamath River 671 Comment
  UC204768  Avena sativa Geo. D. Butler 1908-6-25 1093 Siskiyou old fields near Yreka Comment
  SFV3761  Balsamorhiza lanata D. Parker 1951-4-19 544 Siskiyou Near Callahan. 945 Comment
  UC165277  Balsamorhiza lanata Geo. D. Butler 1910-4-9 1157 Siskiyou Yreka Comment
  CAS-BOT-BC16691  Barbarea orthoceras Alice Eastwood 1923-5-18 11822 Siskiyou Shasta Springs. Comment
  CHSC477  Barbarea orthoceras M. Yoder 1941-7-6 Siskiyou Castle Lake. 1981 Comment
  CDA23015  Berberis aquifolium G. D. Barbe 1980-4-29 2607 Siskiyou 3 km east of Forest Mountain summit, Highway 3, southwest of Yreka. Comment
  UCR101150  Berberis aquifolium var. aquifolium L. C. Wheeler 1959-7-19 7583 Siskiyou Saloman and Marble Mtns, Near White Bear Mine, Callahan Gulch off Black Bear Creek. Comment
  HSC41073  Berberis aquifolium var. repens J. O. Sawyer 1970-3-4 2076 Siskiyou N of Idlewild Campground. 762 Comment
  CAS-BOT-BC75720  Berberis nervosa Louis C. Wheeler 1934-6-29 2822 Siskiyou Klamath Forest. Soda Creek. 1280 Comment
  CAS-BOT-BC75723  Berberis nervosa Alice Eastwood 1917-9-2 6685 Siskiyou Shasta Springs. Comment
  HSC3351  Berberis nervosa Jerry Parker 1968-10-6 151 Siskiyou 1372 Comment
  HSC5004  Berberis nervosa J. O. Sawyer 1968-7-10 505 Siskiyou On Sugar Creek just above confluence with S Sugar Creek 1707 Comment
  HSC58851  Berberis nervosa Marvin Butler 1971-7-30 248 Siskiyou Near Bell Echo Camp, close to the town of Cave Junction 1433 Comment
  UC164979  Berberis nervosa Geo. D. Butler 1908-8-22 540 Siskiyou Eldridges' Corral, Russian Creek Eldridges' Corral Comment
  CAS-BOT-BC76000  Berberis pumila T. H. Harris 1951-6-1 s.n. Siskiyou Happy Camp. 1524 Comment
  CAS-BOT-BC76003  Berberis pumila G. P. Rixford s.n. Siskiyou South side Shaft rock Mountain. Hilt. Comment
  UC165417  Berula erecta Geo. D. Butler 1910-8-13 1838 Siskiyou Oro Fino Comment
  CAS-BOT-BC169483  Betula occidentalis Alice Eastwood 1912-7-23 1341 Siskiyou Cantara Comment
  LA204107  Betula occidentalis Wm. Bridge Cooke; 1940-7-12 15388 Siskiyou near the Mt. Shasta High School 1097 Comment
  CAS-BOT-BC413073  Bistorta bistortoides Geo. D. Butler 1910-6-5 1477 Siskiyou Shackleford Creek Comment
  HSC30407  Bistorta bistortoides Frederick W. Oettinger 1968-8-8 446 Siskiyou Marble Mtn. Wilderness Area, slope dropping down to Upper English Lake near trail 'Y' to English Peak 2165 Comment
  CHSC63494  Blepharipappus scaber Vernon H. Oswald; Lowell Ahart 1994-8-1 6444 Siskiyou Junction of Forest Rd. 17 and Stewart Springs Rd., W of Weed. 1146 Comment
  UC894105  Blepharipappus scaber Alice Eastwood 1912-7-20 1252 Siskiyou Hornbrook Comment
  CAS-BOT-BC127935  Blepharipappus scaber L. R. Abrams 1927-9-11 12138 Siskiyou Shasta Valley, Yreka to Gazelle Comment
  JEPS11909  Blepharipappus scaber Rimo Bacigalupi with C. L. Custer and G. T. Robbins 1954-8-13 4793 Siskiyou 5 mi w of junction with U.S. Highway 99 (on grade over mountains on road from Yreka to Fort Jones); Yreka, Fort Jones 1158 Comment
  RSA0125962  Boechera E. K. Balls 1949-7-9 1394 Siskiyou 8.3 miles from Etna on road to Sawyer s Bar. 1006 Comment
  CHSC30061  Boechera breweri Harritta Gaussoin 1980-3-26 6 Siskiyou Ca. .25 miles NE of rest stop of jct. of Interstate % N and Highway 96 E. 91 Comment
  JEPS101151  Boechera pauciflora Dean W. Taylor 1996-6-19 15711 B Siskiyou Lime Gulch; bordering Shasta Valley (about 15 miles south of Yreka) 1188 Comment
  CAS-BOT-BC14111  Boechera pauciflora A. A. Heller 1905-6-20 8083 Siskiyou Between Igerna and Weed. Collected near the railraod a short distance south of Weed, not many miles from Yreka. Comment
  UC673129  Boechera pauciflora Lincoln Constance and Reed C. Rollins 1942-5-13 2905 Siskiyou 4 mi e Seiad; Klamath-Siskiyou Region, Klamath River 457 Comment
  RSA0126102  Boechera pratincola C. L. Hitchcock, J. S. Martin 1939-7-9 5308 Siskiyou N side of Black Mt. near Marble Mt. (King s Castle). 2073 Comment
  CAS-BOT-BC25414  Boechera retrofracta George Dexter Butler 1910-7-8 1663 Siskiyou Log Lake, Shackleford Creek. 1219 Comment
  CAS-BOT-BC25416  Boechera retrofracta John Thomas Howell 1937-7-21 13203 Siskiyou South Fork of Salmon River near Big Flat. 1524 Comment
  CAS-BOT-BC25417  Boechera retrofracta John Thomas Howell 1937-7-21 13203 Siskiyou South Fork of Salmon River near Big Flat. 1524 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-BC410946  Boechera sparsiflora Geo. D. Butler 1910-4-16 1178 Siskiyou Klamath hills Comment
  CAS-BOT-BC25793  Boechera stricta Maxine Wilkes 1940-8-1 s.n. Siskiyou Marble Mountains. Deep Lake. Comment
  SEINET3132288  Boechera stricta G. D. Butler 1900-7-8 1164 Siskiyou Dryland, Loy Lake, Shackleford Creek. 1219 Comment
  CAS-BOT-BC25872  Boechera subpinnatifida Lincoln Constance; Reed Clark Rollins 1942-5-14 2931 Siskiyou Klamath-Siskiyou Region. Shasta River 6 miles north of Yreka. 762 Comment
  JEPS46547  Boschniakia strobilacea Wayne Roderick 1963-1 Siskiyou about 2 mi w Copper Butte; Siskiyou Mts., Cook and Green Pass 1371 Comment
  UC1408831  Botrychium multifidum Frederick W. Oettinger 1968-8-7 443 Siskiyou inlet to Tobacco Lake Salmon Mountains, Marble Mountain Wilderness area Comment
  UC185184  Botrychium multifidum Geo. D. Butler 1910-7-13 1777 Siskiyou Shackleford Creek 1219 Comment
  SJSU6512  Boykinia major R. W. Trivelpiece 1972-6-15 115 .5 Siskiyou Vann Cr near Bear Peak c. 15 mi SW of Happy Camp 1280 Comment
  CAS-BOT-BC418456  Boykinia major J. E. Wilson 1935-7-20 s.n. Siskiyou Caribou Lake, Trinity Mts. Comment
  CAS-BOT-BC127862  Brickellia grandiflora D. M. Traugh 1933-8-6 7 Siskiyou Klamath (National) Forest 1828 Comment
  UC894183  Brickellia grandiflora J. Thomas Howell 1939-8-4 15044 Siskiyou Marble Rim Marble Mts. Comment
  RSA610985  Brickellia greenei L. C. Wheeler 1952-9-18 6248 Siskiyou Siskiyou Mountains: South Fork Indian Creek, near Happy Camp. Comment
  RSA96963  Brickellia greenei Percy C. Everett, E. K. Balls 1954-10-13 20277 Siskiyou Seiad Creek, road to Kangaroo Mountain, 7.2 miles NE from Hwy 96. 823 Comment
  SEINET10533839  Brodiaea multiflora George D. Butler 1910-5-18 Butler 1361 Siskiyou Dry hill. Yreka. Comment
  CDA1788  Bromus briziformis Don Shaw 1971-9-7 Siskiyou Ball Mountain Road, 12 miles east of Montague. 0 Comment
  SEINET7297953 Image available Bromus briziformis A. A. Heller 1905-1 1437 Siskiyou Gazelle Comment
  HSC30548  Bromus carinatus Frederick W. Oettinger 1969-8-13 1351 Siskiyou Marble Mtn. Wilderness Area, SE ridge of English Lake. 2134 Comment
  RSA127008  Bromus carinatus H. S. Yates 1936-6-21 5832 Siskiyou one mile southwest of Signal Butte. 1341 Comment
  CAS-BOT-BC148799  Bromus carinatus var. marginatus William Bridge Cooke 1938-6-24 11062 Siskiyou Mount Shasta. MacBride Spring. 1524 Comment
  HSC100248  Bromus diandrus J. P. Smith, & J. O. Sawyer 2010-5-2 12800 Siskiyou River access road, on the Salmon River. 164 Comment
  HSC103018  Bromus diandrus J. P. Smith 2014-6-6 13875 Siskiyou Along State Route 96 at the Portuguese Creek Access to the Klamath River 416 Comment
  CAS-BOT-BC155220  Bromus hordeaceus John Thomas Howell; T. C. Fuller; G. D. Barbe 1980-5-21 53574 Siskiyou Yreka. 822 Comment
  RSA239074  Bromus orcuttianus Frederick W. Oettinger 1969-9-4 1639 Siskiyou On south side of Hancock Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1936 Comment
  UC1152023  Bromus racemosus Joseph P. Tracy 1951-6-16 19488 Siskiyou about 3 mi s of Oregon-California State Line (at crossing of Takilma-Happy Camp Road, Summit of the Siskiyous); the Siskiyous Comment
  HSC101844  Bromus sterilis J. P. Smith, J. O. Sawyer, R. J. Cole 2011-5-22 13172 Siskiyou Along road from Cecilville to Forks of Salmon 743 Comment
  HSC36429  Bromus tectorum J. O. Sawyer 1969-7-9 1216 Siskiyou Near C.C.C. road, N of Sugar Creek 1433 Comment
  UC816448  Bromus tectorum A. A. Heller 1916-6-20 12405 Siskiyou ne base of Mount Eddy, Metcalf's Ranch Mount Eddy; , Metcalf's Ranch 1188 Comment
  CAS-BOT-BC185382  Bromus vulgaris John Thomas Howell 1937-7-23 13364 Siskiyou South Fork of Salmon River near Big Flat. 1524 Comment
  HSC31125  Bromus vulgaris J. O. Sawyer 1971-8-19 2456 Siskiyou 2012 Comment
  SEINET3924380  Calamagrostis koelerioides Jennifer J. Whipple 1976-9-3 1775 Siskiyou Weed quad. Scree slopes near Little Crater Lake.; 0 2195 Comment
  JEPS42820  Callitriche heterophylla var. bolanderi Geo. D. Butler 1908-12-27 1540 Siskiyou Oro Fino Comment
  RSA237959  Callitriche verna Frederick W. Oettinger 1969-8-24 1519 Siskiyou Inlet of upper English Lake. Salmon Mtns.; High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1768 Comment
  RSA237962  Callitriche verna Frederick W. Oettinger 1969-9-4 1624 -a Siskiyou Diamond Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2073 Comment
  CAS-BOT-BC85740  Calocedrus decurrens L. B. Kildale 1930-6-1 9838 Siskiyou Mill Creek near Etna Mills Comment
  CAS-BOT-BC85743  Calocedrus decurrens Alice Eastwood 1928-8-1 1939 Siskiyou Cantara Comment
  HSC69560  Calocedrus decurrens Maralyn A. Renner 1980-8-6 2289 Siskiyou Along trail, 0.5 mi. SE of Cyclone Gap. 1585 Comment
  UC375199  Calochortus elegans Geo. D. Butler 1908-8-6 114 Siskiyou divide between Wooley Creek and Independence Creek Comment
  CAS-BOT-BC488614  Calochortus elegans var. nanus A. A. Heller 1920-6-27 13386 Siskiyou Metcalf's ranch, northeast base of Mt. Eddy 1158 Comment
  HSC44581  Calochortus elegans var. nanus Laura Witherspoon 1977-6-22 Siskiyou Off G-O Rd. at the boundary of Humboldt-Siskiyou Counties 1494 Comment
  CHSC2227  Calochortus nudus V. Holt 1932-6-29 Siskiyou Castle Lake. 1950 Comment
  UC1408792  Calochortus nudus F. W. Oettinger 1969-7-25 Siskiyou ca 15 air mi sw Weed (near Kangaroo Lake Campground); Shasta-Trinity National Forest, Scott Mts. 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
  UC922381  Caltha biflora Annie M. Alexander and Louise Kellogg 1949-7-28 5879 Siskiyou Sky High Valley; Marble Mountains. 1767 Comment
  CAS-BOT-BC181508  Caltha leptosepala A. A. Heller 1915-7-15 12086 Siskiyou Mt. Eddy 2072 Comment
  CAS-BOT-BC181519  Caltha leptosepala Elizabeth McClintock; Wayne Roderick; Martha Roderick 1967-7-28 s.n. Siskiyou Gumboot Lake, Trinity Mts. 1828 Comment
  RSA255552  Calycadenia ciliosa Gerald D. Carr 1974-9-12 783 Siskiyou 0.4 miles east of Somesbar on Etna-Somesbar Road Comment
  UC635369  Calyptridium monospermum D. Tebbe 1929-6-7 154 Siskiyou Mount Eddy Comment
  HSC77017  Calyptridium umbellatum K. T. Stillman 1976-6-25 36 Siskiyou Marble Mtn. Wilderness Area, Marble Valley 1829 Comment
  SJSU9826  Calyptridium umbellatum M. D. Fleschner 1965-7-13 Siskiyou slope above Horse Camp on Mt Shasta 2438 Comment
  UC528036  Calyptridium umbellatum Elmer I. Applegate 1923-8-18 3848 Siskiyou Medicine Lake Comment
  UC598748  Calyptridium umbellatum C. Hart Merriam 1898-1 Siskiyou Mount Shasta, Wagon Camp Wagon Camp; Mount Shasta, Wagon Camp Comment
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Sep 19 2006
  UC221534  Calystegia occidentalis subsp. occidentalis H. E. Brown June 1-10 1897 282 Siskiyou near Sisson; near Sisson 1083 Comment
  CDA39905  Calystegia occidentalis subsp. occidentalis G. C. Fleischman 1946-7-26 s.n. Siskiyou Vicinity 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
  UC166137  Camelina microcarpa Geo. D. Butler 1908-6-20 1054 Siskiyou fields near Yreka Comment
  RSA120905  Camelina microcarpa Milo S. Baker 1957-6-15 13102 Siskiyou Just south of Weed. Comment
  HSC64498  Camissonia tanacetifolia J. P. Smith, Steve Selva 1970-8-9 4586 Siskiyou By Grass Lake Comment
  CAS-BOT-BC160902  Camissonia tanacetifolia subsp. tanacetifolia D. Bates 1960-6-13 2436 Siskiyou Route 97 at Grass Lake Comment
  SEINET10463323  Campanula prenanthoides Muth 1976-7-27 MUTH s.n. Siskiyou NR TWIN VALLEY, PRESTON PK QUAD, NR HAPPY CAMP 5400', MEADOW, S EXPOSURE Comment
  SEINET10840323  Campanula prenanthoides Muth 1975-8-1 MUTH s.n. Siskiyou Near Sutcliffe Creek, on the Preston Peak quadrangle; close to the town of Happy Camp 1341 Comment
  POM299525  Campanula prenanthoides Marion Ownbey, Fred G. Meyer 1940-7-4 2171 Siskiyou Siskiyou Mts. Northwest of Hornbrook. Comment
  SEINET10463153  Campanula prenanthoides John T. Witherspoon 1977-8-10 Witherspoon s.n. 1977 Siskiyou 2 miles up Forest Service road 12N13 West of Bald Butte. T12N R6E Sec. 11 610 Comment
  SEINET10905892  Campanula prenanthoides Condit 1911-7-3 CONDIT s.n. Siskiyou SHASTA RETREAT, COMMON ALONG RR & ON MTN SIDES Comment
  RSA456187  Campanula rotundifolia M. B. Dunkle 1945-7-19 9220 Siskiyou Klamath Natl. Forest. Marble Mts. Southern exposure, Marble ledge Comment
  SEINET10840348  Campanula scabrella Raven 1956-9-4 Raven 10415 Siskiyou SUMMIT OF MT EDDY FORMING MATS 2758 Comment
  SEINET10463790  Campanula scouleri Ground 1970-7-22 GROUND 685 Siskiyou Preston Peak, Klamath National Forest: Raspberry Creek. Montane coniferous forest. 1494 Comment
  JEPS57208  Campanula wilkinsiana L. R. Heckard 1967-8-14 1731 Siskiyou canyon above Horse Camp (sw flank of Mt. Shasta); Mt. Shasta 2560 Comment
  SFV1451  Cardamine D. Parker 1949-6-11 227 Siskiyou Blue Creek. Comment
  CAS-BOT-BC37744  Cardamine californica A. A. Heller 1921-7-7 13565 Siskiyou On Mount Eddy. 1828 Comment
  CAS-BOT-BC37746  Cardamine californica A. A. Heller 1919-6-25 13272 Siskiyou Compton's prairie, north base of Mount Eddy. 1158 Comment
  CAS-BOT-BC37747  Cardamine californica L. E. Smith 1915-4-25 13272 Siskiyou Sisson. Comment
  UC1736492  Cardamine nuttallii Dean W. Taylor 1999-6-10 17252 Siskiyou Marble Mountains, Mill Creek, ca. 4 miles W from Mugginsville in Quartz Valley, northerly facing slopes near watershed divide with Kidder Creek 1584 Comment
  CAS-BOT-BC38067  Cardamine pachystigma W. R. Dudley 1893-6-20 s.n. Siskiyou Near Castle Lake, vicinity of Mount Shasta. 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
  CAS-BOT-BC18395  Carex H. A. Thomas; J. H. Thomas 1954-7-24 4515 Siskiyou Salmon-Trinity Mountains. Vicinity of Rush Lake and Rush Creek Meadow. About 9 miles east of Cecilville. 1981 Comment
  SEINET10585933  Carex abrupta Louis C. Wheeler 1935-7-26 Wheeler 3719 Siskiyou Siskiyou Mts. S12, T47N, R10W. Mt Diablo Mer. Jaynes Canyon. Wet sunny meadow. 1951 Comment
  CAS-BOT-BC17970  Carex angustata Elmer I. Applegate 1895-5-28 783 Siskiyou Sisson, Strawberry Valley. Comment
  SEINET10343551  Carex angustata Philip E. Hyatt 2002-8-6 11142 Siskiyou Ft. Goff Recreation Area along Klamath River Comment
  JEPS109522  Carex brainerdii Dean W. Taylor 1988-7-9 9949 Siskiyou Castle Lake, in cirque and ridgetop above heart lake 1950 Comment
  JEPS116609  Carex brainerdii Julie Kierstead 1997-5-13 97009 Siskiyou Mt. Shasta Rnger District. Parks Creek Road 1 mile above junction with 42N19, 6 miles west of Weed. 1463 Comment
  HSC85706  Carex concinnoides L. P. Janeway 1982-7-10 58 Siskiyou Near Old Greyback Rd., 1/2 mi. above the W Branch Guard Station 747 Comment
  CAS-BOT-BC20044  Carex echinata H. E. Brown 1897-6-16 416 Siskiyou North side of Mount Shasta. Comment
  CAS-BOT-BC20043  Carex echinata William Bridge Cooke 1939-7-21 13724 Siskiyou Mount Shasta. Around Lower Wagon Camp Springs. 1737 Comment
  CAS-BOT-BC20130  Carex feta H. A. Thomas; J. H. Thomas 1954-7-21 4417 Siskiyou Salmon-Trinity Mountains. About 6 miles SE of Cecilville. West side of Rush Creek. 1158 Comment
  CAS-BOT-BC20133  Carex feta W. R. Dudley 1893-6-21 s.n. Siskiyou Peter Klink's Meadow. Sisson. Comment
  UC1025113  Carex gigas Douglas Barbe 1955-7-9 148 Siskiyou small stream at the sw shore Scott Mountains, Kangaroo Lake 1828 Comment
  CAS-BOT-BC20469  Carex halliana Alice Eastwood 1921-7-28 10943 Siskiyou Medicine Lake. Comment
  HSC68516  Carex hassei Maralyn A. Renner 1980-6-26 1172 Siskiyou Flint Valley. 1390 Comment
  HSC77213  Carex hassei L. P. Janeway 1983-8-6 489 Siskiyou At Poker Flat, near seep drainage at front edge of upper portion of meadow. 1524 Comment
  UC1540262  Carex hoodii Dean W. Taylor 1987-6-26 9067 Siskiyou 2 mi se Medecine Lake (near head of easternmost spring); Paynes Springs 1996 Comment
  CAS-BOT-BC7661  Carex integra John Thomas Howell 1939-8-7 15121 Siskiyou Sky High Valley, Marble Mountains. 1828 Comment
  HSC85799  Carex integra L. P. Janeway 1983-7-24 445 Siskiyou Poker Flat, upper portion of meadow 1524 Comment
  UC1576760  Carex jonesii Dean Wm. Taylor with Glenn L. Clifton and Rexford E. Palmer 1987-6-7 9025 Siskiyou Paynes Springs Upper Modoc Plateau, Medicine Lake highland 2011 Comment
  CAS-BOT-BC28431  Carex lenticularis var. lipocarpa John Thomas Howell 1937-7-23 13339 Siskiyou South Fork of Salmon River near Big Flat. 1524 Comment
  JEPS121605  Carex luzulina 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. E aspect. Mount Eddy quadrangle. TL03B Comment
  SEINET7566380 Image available Carex luzulina L. P. Janeway 2006-7-2 8733 Siskiyou Deadman Peak 7.5' Quad. Klamath Ranges, Salmon Mountains, near minor drainage to South Fork Scott River from the west, 1.6 km north of Carter Meadows Summit. 1728 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
  UC642547  Carex luzulina var. ablata W. Bridge Cooke 1939-7-7 13619 Siskiyou Sedge Swamp at Wagon Camp Mount Shasta 1737 Comment
  RSA237263  Carex mariposana Frederick W. Oettinger 1968-9-6 735 Siskiyou Trail northeast of Tom s Lake. Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2165 Comment
  RSA577422  Carex mariposana L. C. Wheeler 1934-8-6 3049 Siskiyou Bear Ground Gulch off Jaynes Canyon. Siskiyou Mountains. 1677 Comment
  CHSC115879  Carex multicaulis Peter F. Zika 2012-5-18 25888 Siskiyou Near Dunsmuir Avenue, S end of town of Dunsmuir, 3.6 air km SE of Mount Bradley, Klamath Range. 730 Comment
  JEPS121396  Carex multicaulis Peter F. Zika & Julie Nelson 2012-6-21 25909 Siskiyou ridge above South Fork Willow Creek, 9 air km ENE of Gazelle Mountain, Shasta-Trinity National Forest, FS Road 42N42Y, 0.25 road miles E of junction with 42N19 Comment
  JEPS63685  Carex multicaulis W. L. Jepson July, 1894 52 a Siskiyou Upton Comment
  UC593522  Carex multicaulis E. B. Babcock, G. L. Stebbins Jr. 1936-6-13 1985 Siskiyou about 1 1/2 mi w Mt. Shasta City (e and ne slope of spur of Rainbow Ridge above Sulloway Creek); Rainbow Ridge 1180 Comment
  SEINET7568504 Image available Carex multicostata L. P. Janeway 2006-7-2 8738 Siskiyou Deadman Peak 7.5' Quad. Klamath Ranges. Salmon Mountains, slope of south side of South Fork Salmon River 0.5 km west of Carter Meadows Summit. 1783 Comment
  UC1235  Carex nigricans W. H. Brewer 1862-9-15 1379 Siskiyou Mt. Shasta 2560 Comment
  CAS-BOT-BC119642  Carex nigricans William Bridge Cooke 1938-7-18 11484 Siskiyou Horse Camp Springs; in springs above camp along the summit trail. Mt. Shasta. 2545 Comment
  SEINET7568935 Image available Carex nigricans Frederick W. Oettinger 1968-8-2 358 Siskiyou Salmon Mountains, High Lake Basins in the vicinity of English Peak Marble Mountain Wilderness Area, east end of Diamond Lake. 2073 Comment
  UC195508  Carex nudata Geo. D. Butler 1910-5-21 1377 Siskiyou Klamath River Comment
  CAS-BOT-BC118773  Carex preslii John Thomas Howell 1937-7-25 13477 Siskiyou Caribou Basin, Salmon-Trinity Alps 2286 Comment
  CAS-BOT-BC118777  Carex preslii John Thomas Howell 1939-8-2 14907 Siskiyou Spirit Lake, Marble Mts. 1828 Comment
  JEPS25657  Carex preslii Rimo Bacigalupi with Mr. and Mrs. Van Deventer 1959-7-10 7300 Siskiyou 4 air-line mi nne Preston Peak (meadow at Twin Valley, just e of Del Norte County line); Siskiyou Mts., Twin Valley, watershed of Indian Creek 1493 Comment
  HSC89804  Carex rostrata D. K. Imper 1987-7-22 Siskiyou 8 mi. E of Somes Bar 1372 Comment
  CAS-BOT-BC117910  Carex scabriuscula G. Douglas Barbe 1955-7-28 301 Siskiyou Small, moist meadow just W of Scott Mtn. Forest Camp, near Trinity County line. 1615 Comment
  HSC91238  Carex scabriuscula Jennifer Whipple 1976-6-19 1050 Siskiyou Near Durney Lake 2073 Comment
  HSC96589  Carex scopulorum var. bracteosa Gordon Leppig, J. Kalt 1996-7-9 391 Siskiyou Klamath National Forest, Russian Wilderness, cirque W of Little Duck Lake 2200 Comment
  CAS-BOT-BC117252  Carex spectabilis John Thomas Howell 1937-7-25 13478 Siskiyou Caribou Basin, Salmon-Trinity Alps. 2286 Comment
  CAS-BOT-BC117260  Carex spectabilis William J. Ferlatte 1967-8-20 1047 Siskiyou Sawtooth Ridge steep, north facing slope. 2286 Comment
  SEINET7575750 Image available Carex spectabilis Frederick W. Oettinger 1968-9-6 731 Siskiyou Salmon Mountains, High Lake Basins in the vicinity of English Peak Marble Mountain Wilderness area, trail southeast of Tom's Lake. 2012 Comment
  SEINET7577203 Image available Carex subfusca Unknown 2003-6-17 10946 Siskiyou 5.5 miles toward Cecilville on the 1C02 road, at intersection with Shasta-Trinity National Forest road 41N14. 1097 Comment
  UC1540249  Carex whitneyi Dean W. Taylor 1987-6-23 9048 Siskiyou McCloud River drainage 1219 Comment
  RSA565000  Carex whitneyi D. W. Taylor 1987-6-8 9034 Siskiyou Lava Crack Spring. Modoc Plateau. 1372 Comment
  CAS-BOT-BC59704  Cassiope mertensiana Doris K. Kildale 1929-7-20 8582 Siskiyou E. spur of Preston Peak above Rockefeller Lake. 2133 Comment
  CAS-BOT-BC59706  Cassiope mertensiana John Thomas Howell 1937-7-25 13443 Siskiyou Caribou Basin, Salmon-Trinity Alps. 2286 Comment
  CAS-BOT-BC59707  Cassiope mertensiana Ira L. Wiggins 1955-7-29 13570 Siskiyou Pass at sw. end of Caribou L., Salmon-Trinity Alps Primitive Area. 2072 Comment
  HSC83921  Cassiope mertensiana subsp. ciliolata K. Berg, Stephanie Bennett 1986-8-25 646 Siskiyou Salmon-Trinity Alps Wilderness, headwaters of Little S Fork of Salmon River, above Little S Fork Lake 1982 Comment
  HSC20505  Castilleja applegatei R. C. Wunner 1965-6-6 93 Siskiyou Lava Beds National Monument, .2 mi. on Rd. to Caldwell Ice Cave 1402 Comment
  SEINET9299579  Castilleja applegatei Unknown 2009-5-31 Siskiyou High elevation, semi-arid desert ecosystem; native species; collected at Lava Beds National Monument, directly South of Tulelake, CA. Comment
  CAS-BOT-BC241136  Castilleja applegatei subsp. pinetorum L. E. Smith 1913-6-29 436 Siskiyou Mt. Eddy Comment
  CAS-BOT-BC241149  Castilleja applegatei subsp. pinetorum Alice Eastwood No date on label s.n. Siskiyou Cantara Comment
  CHSC118025  Castilleja applegatei subsp. pinetorum K. M. Meyer; A. Townesmith 2007-8-2 182 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
  HSC20503  Castilleja applegatei subsp. pinetorum R. C. Wunner 1965-6-7 109 Siskiyou Lava Beds National Monument, Mammoth Crater 1616 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
  JEPS16795  Castilleja applegatei subsp. pinetorum Rimo Bacigalupi with G. Thomas Robbins and C. Leroy Custer 1954-8-13 4796 Siskiyou 2.5 mi s and above Callahan to Carrville road junction with Gazelle road (lower part of grade over Scott Mtn. (road from Callahan to Carrville)); Scott Mtn. 1371 Comment
  RSA425925  Castilleja applegatei subsp. pinetorum Christopher Davidson s.n. Siskiyou 1.1 mi from gate on special service rd branching SE of rd from Gazelle to Callahan, ca. 9.3 m W of Gazelle. Klamath Nat. For. 1502 Comment
  CAS-BOT-BC243746  Castilleja applegatei var. pinetorum A. A. Heller 1905-6-15 8033 Siskiyou Near Sisson Comment
  CAS-BOT-BC243766  Castilleja applegatei var. pinetorum Elmer I. Applegate 1935-6-10 9485 Siskiyou South slope of Caldwell Butte, Lava Beds National Monument Comment
  SD53345  Castilleja arachnoidea Darley F. Howe 1962-8-6 Siskiyou Mt. Shasta 2438 Comment
  UC885405  Castilleja arachnoidea Alice Eastwood 1921-7-29 10983 Siskiyou on road to Medicine Lake; Bear Spring Comment
  HSC711  Castilleja arachnoidea William J. Ferlatte 1967-8-20 1040 Siskiyou Caribou Mtn. 2470 Comment
  JEPS13484  Castilleja arachnoidea Douglas Barbe 1955-7-26 285 Siskiyou n slope below the summit Scott Mountain; Klamath Mountains, Scott Mountain 1981 Comment
  CHSC88112  Castilleja lacera Jenny Marr 1993-7-1 122 Siskiyou Butte Valley Wildlife Area, +/- 7 air miles NW of the town of MacDoel. Meadow NW of Meiss Lake. 1349 Comment
  JEPS76188  Castilleja miniata T. I. Chuang with Fei-Mei Chuang 1977-7-22 7634 Siskiyou Panther Meadow; Mt. Shasta 2194 Comment
  UC1409380  Castilleja miniata Frederick W. Oettinger 1968-8-6 424 Siskiyou se corner Hancock Lake (vicinity of English Peak); Salmon Mountains, Marble Mountain Wilderness Area 1950 Comment
  CAS-BOT-BC253625  Castilleja miniata Wm. Bridge Cooke 1939-7-7 13590 Siskiyou Bear Springs. Flora of Mount Shasta 1524 Comment
  CAS-BOT-BC254009  Castilleja miniata Doris K. Kildale No date on label 9027 Siskiyou White meadow, near Young's Valley, Preston Peak [?hail?] Comment
  CAS-BOT-BC26228  Castilleja pratensis A. A. Heller 1905-6-20 8079 Siskiyou Gazelle Comment
  NY68148  Castilleja pratensis A. A. Heller 1905-6-20 8079 Siskiyou Comment
  UC164434  Castilleja pruinosa Geo. D. Butler 1909-5-30 757 Siskiyou Humbug Mountain Comment
  RSA184819  Castilleja pruinosa Gilbert Muth 1966-7-14 394 -B Siskiyou Marble, south of Marble Valley, Marble Mountains. 1793 Comment
  POM256803  Castilleja psittacina D. D. Keck 1940-6-13 5171 Siskiyou 1 mi. S.W. of Grass Lake. 1524 Comment
  HSC76640  Castilleja schizotricha K. T. Stillman 1976-6-25 102 Siskiyou Marble Mt. Wilderness Area, NE facing on Black Mt. 2134 Comment
  SEINET12337129  Castilleja schizotricha Unknown 1986-1 60362 A Siskiyou SW of Cook & Green Pass, Bee Camp 1768 Comment
  CAS-BOT-BC48388  Ceanothus cuneatus Lewis S. Rose 1945-6-22 45161 Siskiyou Walker, Klamath River 533 Comment
  UCSB16461  Ceanothus cuneatus var. cuneatus Breedlove, Dennis 1962-6-10 Siskiyou Along Indian Creek Road, 15.6 miles northwest of Happy Camp; Siskiyou Mountains 975 Comment
  HSC100194  Ceanothus integerrimus J. P. Smith, & J. O. Sawyer 2011-9-5 13417 Siskiyou Along Klamath National Forest Road 45N28. 1378 Comment
  RSA399888  Ceanothus integerrimus E. E. Stanford 1930-6-15 1586 Siskiyou 1 mile north of Dunsmuir. Comment
  RSA23947  Ceanothus prostratus O. V. Matthews 1939-7-8 26 Siskiyou W of Seiad Gove, Kangaroo lMtn Forest Service Trail. Comment
  UC1185942  Ceanothus prostratus L. E. Detling 1950-6-9 6599 Siskiyou Black Butte Summit (Hwy 99) 1188 Comment
  CDA35687  Ceanothus prostratus T. C. Fuller 1962-6-13 8973 Siskiyou Highway 89 to McCloud, 4.4 miles west of Bartle. 0 Comment
  HSC30669  Ceanothus velutinus Frederick W. Oettinger, R. F. Thorne 1969-8-6 1228 Siskiyou Marble Mtn. Wilderness Area, SE of Pine Lake 1905 Comment
  JEPS42166  Ceanothus velutinus Geo. D. Butler 1909-6-22 904 Siskiyou Goosenest Mt. Comment
  UC1299549  Ceanothus velutinus Freed W. Hoffman 1950-7-14 3257 Siskiyou Trail from Baldy Mountain to Clear Lake. Comment
  JEPS42299  Ceanothus velutinus var. lorenzenii L. N. Lorenzen 1920-9-19 Siskiyou Sisson Comment
  CAS-BOT-BC52845  Ceanothus velutinus var. velutinus Doris K. Kildale 1928-8-20 6633 Siskiyou Head of North Fork of Salmon River at Finley's Upper Camp Comment
  CAS-BOT-BC52849  Ceanothus velutinus var. velutinus Ira L. Wiggins 1955-7-24 13488 Siskiyou Ridge betw. upper reaches of China and Blind Horse Creek Comment
  CDA7264  Centaurea maculosa T. C. Fuller 1963-8-26 11155 Siskiyou W. H. Kerr, Flying K Ranch, upper Quartz Valley, 2 miles south of Mugginsville. 0 Comment
  UC1190153  Cephalanthera austiniae Ira L. Wiggins 1955-7-29 13586 Siskiyou slope just e. Thompson Creek 1432 Comment
  HSC92581  Cerastium arvense Jennifer Whipple 1976-7-8 1340 Siskiyou N slopes of Mount Eddy. 2439 Comment
  HSC4754  Cerastium fontanum subsp. vulgare William J. Ferlatte 1967-6-5 491 Siskiyou Big Flat, between public camp and S Fork of Salmon River 1524 Comment
  CAS-BOT-BC207630  Cercis occidentalis P. C. Everett; E. K. Balls 1959-10-24 23946 Siskiyou 7 mi. SW from Red Bank F. S. Camp on road from Sawyers Bar to Somersbar Comment
  CAS-BOT-BC147686  Cercocarpus betuloides var. betuloides W. R. Dudley 1899-8-24 s.n. Siskiyou Grade up from Willow Creek, west of Gazelle Comment
  UC1037433  Cercocarpus ledifolius var. ledifolius Douglas Barbe 1955-8-1 321 Siskiyou e of Craggy Lookout (on Mount Bolivar, Scott Mountains); Klamath Mountains, Scott Mountains, Mount Bolivar 2255 Comment
  UC136528  Cercocarpus ledifolius var. ledifolius E. B. Copeland 1903-7-6 3562 Siskiyou Hornbrook; Pacific Coast, Hornbrook Comment
  CAS-BOT-BC148521  Cercocarpus ledifolius var. ledifolius Mrs. Marian Campbell 1916-7-15 s.n. Siskiyou From Moraine Lake to Arroya Comment
  JEPS69747  Chaenactis douglasii var. douglasii W. B. and V. G. Cooke 1972-6-30 45408 Siskiyou above Andesite crossing Military Pass Road; Mt. Shasta 1524 Comment
  UCR52248  Chaenactis douglasii var. douglasii E. E. Stanford 1930-6-15 1592 Siskiyou Near Shasta City 1098 Comment
Read comments
Oct 11 2010
  JEPS52290  Chaenactis suffrutescens Wayne Roderick 1966-6-26 Siskiyou 6 mi from either Fort Jones or Etna (in Scott Valley); Scotts Valley 853 Comment
  UC336703 Image available Chaenactis suffrutescens J. G. Lemmon 1902-12-1 Siskiyou Head waters of Sacramento River; ; headwaters of Sacramento River Comment
  JEPS95070  Chamaebatiaria millefolium Vernon Oswald and Lowell Ahart 1997-7-28 8772 Siskiyou 16 mi s of Medicine Lake (Forest Route 49 (Powder Hill Road) at 41N03 to Porcupine Butte); Forest Route 49 1365 Comment
  UCD133317  Chamaecyparis lawsoniana D. Sanchez-Mata 1997-9-19 s.n. Siskiyou Klamath National Forest. Happy Camp-O'Brian, Indian Creek Road. Jefferson State Scenic Byway. 1400 Comment
  UC54566  Chamaesaracha nana H. M. Hall and E. B. Babcock Jun 1903 4041 Siskiyou Sisson; Sierra Nevada Mountains, Mount Shasta 1066 Comment
  UCSB15883  Chamaesaracha nana Breedlove, Dennis 1952-6-11 Siskiyou Along State Highway 89, 8.0 miles east of McCloud; Cascade Range 1127 Comment
  UC334091  Chamaesyce glyptosperma Lemmon Siskiyou near Shasta; Northern Claifornia Comment
  RSA499041  Chamaesyce serpillifolia L. C. Wheeler 1934-9-20 3289 Siskiyou Lumgrey Creek. 671 Comment
  SBBG25916  Chamaesyce serpillifolia subsp. serpillifolia D. Myrick 1966-8-9 1511 Siskiyou Mountain Meadow Ranch, Big Flat 1524 Comment
  CAS-BOT-BC166097  Chamerion angustifolium subsp. circumvagum A. A. Heller 1916-6-23 12434 Siskiyou Near Black Butte north of Sisson 1127 Comment
  CAS-BOT-BC70223  Cheilanthes gracillima Copeland 1903-7-16 3505 Siskiyou Mt. Shasta Comment
  CAS-BOT-BC70224  Cheilanthes gracillima Alice Eastwood 1912-9-1 2061 Siskiyou Mount Shasta Comment
  HSC69235  Cheilanthes gracillima Maralyn A. Renner 1980-9-1 2711 Siskiyou S side of Devil's Punchbowl 1829 Comment
  CAS-BOT-BC68211  Cheilanthes gracillima Donald Branscomb 1958-7-1 s.n. Siskiyou Castle Lake 1706 Comment
  POM23315  Cheilanthes gracillima E. B. Copeland 1903-7-16 3505 Siskiyou Mt. Shasta. 3171 Comment
Read comments
Jan 23 2011
  UC163671  Chenopodium botrys Geo. D. Butler 1908-7-6 82 Siskiyou along creek near Yreka Comment
  UC637128  Chenopodium pumilio Edward Lee 1934-8-15 1129 Siskiyou summit of Happy Camp to Waldo (OR) road Klamath National Forest, Indian Creek watershed 1615 Comment
  CDA3113  Chenopodium pumilio T. C. Fuller 1966-10-7 15248 Siskiyou W.W. Cook Nursery, Route 1 Box 328, 2 miles northwest of Mt. Shasta City. 0 Comment
  CAS-BOT-BC451342  Chimaphila menziesii John Thomas Howell 1939-8-6 15089 Siskiyou Spirit Lake, Marble Mts. 1828 Comment
  CHSC1407  Chimaphila umbellata M. Yoder 1941-7-21 Siskiyou Castle Lake. 1981 Comment
  SJSU2591  Chimaphila umbellata H. L. Buckalew 1962-7-6 Siskiyou junction of Indian Cr with W Branch Indian Cr, Siskiyou Mts Comment
  UC876107  Chimaphila umbellata John Thomas Howell 1937-7-26 13559 Siskiyou Caribou Gulch Comment
  HSC30460  Chimaphila umbellata Frederick W. Oettinger, R. F. Thorne 1969-8-7 1279 Siskiyou W end of English Lake 1753 Comment
  RSA138343  Chimaphila umbellata subsp. occidentalis Frederick W. Oettinger, R. F. Thorne 1969-8-7 1279 Siskiyou Salmon Mtns. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1753 Comment
  CAS-BOT-BC497626  Chlorogalum angustifolium Lewis S. Rose 1945-6-22 45178 Siskiyou Horse Creek & Klamath River 502 Comment
  CAS-BOT-BC36381  Chrysolepis chrysophylla W. R. Dudley 1907-8-27 s.n. Siskiyou Salmon Mountains Comment
  POM267300  Chrysolepis chrysophylla Marion Ownbey, Fred G. Meyer 1940-7-8 2222 Siskiyou Dry hillside along Indian Creek, 11 miles above Happy Camp. Comment
  OBI55439  Chrysolepis chrysophylla var. chrysophylla David J. Keil 1992-7-20 23498 Siskiyou Klamath Natl Forest, SW of Fort Jones. Along forest Road 44N45, 8.1 mi S of Scott River Rd, 2.7 mi S of turnoff to Lover's CAmp Comment
  CAS-BOT-BC36238  Chrysolepis sempervirens Wm. Bridge Cooke 1938-9-8 11645 Siskiyou North side of Red Butte, Mount Shasta 2468 Comment
  UC1733724  Chrysolepis sempervirens Kay H. Beach, Frank Gould 1940-5-15 634 Siskiyou Meadows and Goosenest Mtn 1828 Comment
  UC5452  Chrysolepis sempervirens Milo S. Baker 1893-8-8 Siskiyou Medicine Lake 1981 Comment
  RSA749202  Chrysothamnus nauseosus subsp. consimilis K. M. Meyer, A. Townesmith 2007-9-16 212 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
  CAS-BOT-BC32779  Chrysothamnus parryi subsp. latior Amos Arthur Heller 1915-8-26 12250 Siskiyou Wagon creek at the foot of Mt. Eddy 1127 Comment
  CAS-BOT-BC190005  Cinna latifolia J. M. Tucker 1963-8-19 3775 Siskiyou Marble Mountain Wilderness. Headwaters of Canyon Creek. 1950 Comment
  HSC19236  Circaea alpina subsp. pacifica J. O. Sawyer 1969-7-23 1183 Siskiyou Along road near Horse Range Creek. 1341 Comment
  UC1190126  Circaea alpina subsp. pacifica Ira L. Wiggins 1955-7-23 13469 Siskiyou China Creek 1097 Comment
  UC1483452  Circaea alpina subsp. pacifica Maralyn A. Renner 1980-6-24 1022 Siskiyou tributary stream to E. Fork Seiad Creek (where crossed by F.S. rd. 48N20); Klamath Nat'l Forest, Seiad Valley Quad. 1018 Comment
  CAS-BOT-BC284400  Cirsium arvense Alice Eastwood 1912-7-17 1164 Siskiyou Sisson Comment
  RSA0070591  Cirsium ciliolatum D. H. Shaw, T. C. Fuller 1978-7-5 20246 Siskiyou North side of York Road, 0.3 km east of Bryant-Willow Creek Road, 15 km north of Montague. Comment
  CHSC91258  Cirsium cymosum Lowell Ahart; John Dittes 2005-6-10 12126 Siskiyou Hillside, north of the rock fence, about 100 yards southeast of the pump house along the Shasta River, about 1.9 miles (air) south of Highway 99/97 Cutoff, about 6 miles (air) east-southeast of Grenada. 776 Comment
  OBI60938  Cirsium cymosum var. cymosum B. Villegas 1999-6-8 s.n. Siskiyou Shasta Valley, Slough Rd approx 2 mi S of Louie Rd near I-5 Comment
  JEPS95639  Cirsium douglasii var. breweri Vernon H. Oswald and L. Ahart 1994-8-1 6414 Siskiyou T39N R5W Sec. 10, 4400 ft, Yellow Pine Forest. Forest Rd. 26 paralleling the South Fork of the Sacramento River, 1.5 mi E of Forest Rd. 40N43, 7.8 mi SW of the dam at Lake Siskiyou 1341 Comment
  CAS-BOT-BC285554  Cirsium occidentale var. candidissimum L. E. Smith 1913-7-1 447 Siskiyou Hilt Comment
  CAS-BOT-BC288011  Cirsium occidentale var. candidissimum John Thomas Howell 1952-6-15 28362 Siskiyou Montague Comment
  CAS-BOT-BC288769  Cirsium remotifolium John Thomas Howell 1937-7-22 13311 Siskiyou S Fork of Salmon River near Big Flat 1524 Comment
  CAS-BOT-BC288779  Cirsium remotifolium E. K. Balls 1949-7-10 13959 Siskiyou 8 miles from Sawyer's Bar on road to Cecilville 792 Comment
  RSA184692  Cirsium remotifolium var. odontolepis Gilbert Muth 1966-8-1 485 Siskiyou Marble Valley Horse Pasture, Marble Mountains 1793 Comment
  CAS-BOT-BC286475  Cirsium scariosum David D. Keck 1949-7-19 6350 Siskiyou 2 mi. S. of Grenada 777 Comment
  CAS-BOT-BC286465  Cirsium scariosum Alice Eastwood; John Thomas Howell 1936-6-13 2759 Siskiyou 5 miles n. of Gazelle Comment
  HSC75625  Cirsium scariosum J. O. Sawyer, R. J. Cole 1980-7-23 3907 Siskiyou S of Tennant 1524 Comment
  CDA1578  Cirsium scariosum var. robustum T. C. Fuller 1977-6-14 20216 Siskiyou Klamath Lake valley; North side of Hwy 161 (Stateline Rd.) 5.2 km. east of Hwy 97, 10.5 km. NE of Dorris. Comment
  CAS-BOT-BC439045  Cistanthe monosperma L. E. Smith 1913-7-12 463 Siskiyou Weed Comment
  CAS-BOT-BC164162  Clarkia concinna L. B. Kildale 1930-6-1 9695 Siskiyou Salmon River at Forks of Salmon Comment
  HSC43856  Clarkia gracilis Maralyn O'Meara 1974-5-25 376 Siskiyou Along Rd. 8, 0.9 mi. from its junction with Hwy. 3 976 Comment
  UC54444  Clarkia lassenensis H. M. Hall and E. B. Babcock June, 1903 4098 Siskiyou Shasta Valley Sierra Nevada Mountains, Mount Shasta 1097 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-BC163461  Clarkia purpurea subsp. quadrivulnera Lewis S. Rose 1945-6-18 45094 Siskiyou Horse Creek & Klamath River 502 Comment
  JEPS33855  Clarkia rhomboidea Gilbert Muth 1966-7-22 432 Siskiyou meadow below Marble Rim; Marble Mt. Wilderness Area 2011 Comment
  CAS-BOT-BC439107  Claytonia cordifolia John Thomas Howell 1939-8-3 15012 Siskiyou Spirit Lake, Marble Mts. 1828 Comment
  POM101840  Claytonia cordifolia Geo. D. Butler 1910-6-5 1510 Siskiyou Shackleford Creek Comment
  CAS-BOT-BC439143  Claytonia exigua subsp. exigua Lewis S. Rose 1945-6-18 45103 Siskiyou Horse Creek & Klamath River 502 Comment
  HSC39748  Claytonia exigua subsp. exigua J. O. Sawyer 1970-4-4 2087 Siskiyou Along Sugar Creek 823 Comment
  UC412619  Claytonia parviflora subsp. parviflora Milo S. Baker 104 Siskiyou Igerna Comment
  UC163722  Claytonia perfoliata subsp. intermontana Geo. D. Butler 1908-8-2 66 Siskiyou Shackleford Creek Comment
  CHSC71314  Claytonia rubra subsp. depressa Vernon H. Oswald; Lowell Ahart 1998-6-11 9219 Siskiyou Butte Valley National Grassland near the junction of Meiss Lake-Sam Neck Rd. and Hwy. 97 ca. 5 mi north of Macdoel. 1295 Comment
  HSC33990  Claytonia rubra subsp. rubra J. P. Smith 1974-5-25 7491 Siskiyou Along Rd. 8, 4.7 mi. W of its junction with Hwy. 3 1159 Comment
  HSC44929  Claytonia rubra subsp. rubra J. O. Sawyer 1978-6-19 3254 Siskiyou Marble Mtn. Wilderness Area, trail between Timothy Gulch and Harry Hall Gulch 1433 Comment
  UC224198  Claytonia rubra subsp. rubra H. E. Brown Jun 1 1897-Jun 10 1897 325 Siskiyou near Sisson 1083 Comment
  CAS-BOT-BC443821  Claytonia rubra subsp. rubra A. A. Heller 1919-6-30 13286 Siskiyou Near Durney's mill, north base of Mt. Eddy Comment
  JEPS24436  Claytonia saxosa Dorothy Boedecker 1941-3-17 Siskiyou e side Scott Valley 914 Comment
  UC118736  Clematis ligusticifolia Brandegee July 1887 Siskiyou Edgewood Comment
  JEPS82734  Clintonia uniflora Wayne Roderick 1983-7-10 Siskiyou Doe Flat, near Del Norte County boundary Doe Flat 1143 Comment
  UC454411  Clintonia uniflora I. J. Condit July 1911 Siskiyou Sisson 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
  SEINET10966302  Clintonia uniflora John G. Lemmon 1879-7-12 Lemmon s.n. Siskiyou Scotch Camp, Mount Shasta, CA. Comment
  UC1733721  Collinsia Frank Gould, Kay H. Beach 1940-5-15 1248 Siskiyou Bald Mtn Comment
  CAS-BOT-BC238060  Collinsia Alice Eastwood 1921-7-28 10878 Siskiyou Medicine Lake Comment
  UC163700  Collinsia grandiflora Geo. D. Butler 1910-6-6 1464 Siskiyou Quartz Valley Comment
  POM43374  Collinsia linearis Geo. D. Butler 1910-5-1 1262 Siskiyou Humbug Mountain. Comment
  POM43379  Collinsia linearis Geo. D. Butler 1909-5-30 758 Siskiyou Humbug Mountain. 1220 Comment
  RSA237562  Collinsia linearis Frederick W. Oettinger 1968-9-5 705 Siskiyou Near spring half way up trail from English Lake to Diamond Lake. The Salmon Mountains. The High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1898 Comment
  JEPS5111  Collinsia parviflora unknown Apr 1903 Siskiyou Mt. Mooney , Mt. Mooney (Yreka) Comment
  POM43375  Collinsia parviflora Geo. D. Butler 1910-3-20 1133 Siskiyou Yreka. Comment
  POM43373  Collinsia rattanii Geo. D. Butler 1910-4-16 1188 Siskiyou Klamath River. Comment
  RSA237559  Collinsia rattanii Frederick W. Oettinger 1968-8-16 544 Siskiyou Red Hill near outlet of Hancock Lake. The Salmon Mountains. The High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1997 Comment
  RSA237358  Collinsia torreyi Frederick W. Oettinger 1967-6-24 115 Siskiyou Ridge at Etna Summit between Etna and Sawyers Bar. The Salmon Mountains. The High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1829 Comment
  RSA12500  Collinsia torreyi var. latifolia Carl B. Wolf 1934-7-4 5936 Siskiyou Horse Creek Rd. to Dry Lake Lookout, Siskiyou Mts. 13.5 mi. from Horse Creek Bridge on Klamath River. 1524 Comment
  RSA409250  Collomia diversifolia M. B. Dunkle 1944-7-15 9105 Siskiyou Siskiyou National Forest Comment
  HSC220  Collomia grandiflora William J. Ferlatte 1966-8-3 287 Siskiyou Josephine Lake basin. 1677 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
  UCD118161  Collomia grandiflora J. M. Tucker 1948-8-2 1752 Siskiyou In the outskirts of McCloud. Comment
  HSC45982  Collomia heterophylla J. P. Smith 1973-5-5 6534 Siskiyou Scott Bar along the Scott River Comment
  JEPS101160  Collomia tinctoria Dean W. Taylor 1996-6-18 15705 Siskiyou Scott Mountains; bordering Shasta Valley, hillslopes about 4 miles south of Gazelle; Shasta-Trinity National Forests 1524 Comment
  UC52433  Collomia tinctoria W. A. Setchell, C. C. Dobie 1902-7-21 Siskiyou 18th Cr. Sac. River, Sisson Comment
  UC52508  Collomia tinctoria Harley P. Chandler 1901-6-1 1634 Siskiyou ridges and meadows near Marble Mountain; North Coast Ranges 2133 Comment
  HSC77500  Collomia tinctoria L. P. Janeway 1983-8-6 510 Siskiyou At Poker Flat, E side of meadow 1524 Comment
  SEINET5765338 Image available Corallorhiza maculata W. Bridge Cooke 1937-1 9225 Siskiyou Mt. Shasta, California 1829 Comment
  HSC29150  Corallorhiza mertensiana Frederick W. Oettinger 1968-8-7 431 Siskiyou Salmon Mountains, across meadow from base camp, Hancock Lake 1951 Comment
  SEINET13094787  Cordylanthus pallescens Francis W. Pennell 1940-1 26184 Siskiyou Route 99, 2-3 mi. north of Mount Shasta City. 1159 Comment
  JEPS6790  Cordylanthus tenuis subsp. pallescens Willis L. Jepson July 1894 21345 Siskiyou near Miner's Peak (<= ?> Black butte, w side of Mt. Shasta); Upton Plateau Comment
  CAS-BOT-BC212284  Cornus glabrata Elmer I. Applegate 1923-9-5 3937 Siskiyou 12 miles down the Klamath River from the mouth of Shasta River Comment
  POM132431  Cornus nuttallii E. B. Copeland 1903-9-8 3850 Siskiyou Foot of Mt. Eddy. 1220 Comment
  RSA47649  Cornus nuttallii Roxana S. Ferris, Laura Lorraine, R. T. Ferris 1948-6-12 11748 Siskiyou French Creek logging road west of Callahan. 1067 Comment
  SFV5174  Cornus nuttallii B. C. Templeton 1960-6-21 8540 Siskiyou Klamath Mountains Scott Mountains, about 1 mile north of Siskiyou-Trinity County line. Canyon side. 1525 Comment
  CAS-BOT-BC210398  Cornus sericea A. A. Heller 1920-6-27 13392 Siskiyou Metcalf's ranch, northeast base of Mt. Eddy 1158 Comment
  CAS-BOT-BC210411  Cornus sericea A. A. Heller 1905-6-15 8043 Siskiyou On the banks of the Sacramento west of and near Sisson Comment
  CAS-BOT-BC210422  Cornus sericea L. E. Smith 1913-5-27 296 Siskiyou Weed Comment
  RSA269285  Coronilla varia T. C. Fuller, G. D. Barbe 1972-6-13 943 Siskiyou Siskiyou Avenue exit from I-5 north of Dunsmuir; driveway to Dunsmuir Elementary School. Comment
  CAS-BOT-BC180193  Corylus cornuta subsp. californica John Thomas Howell 1937-7-23 13352 Siskiyou S Fork of Salmon River near Big Flat 1524 Comment
  JEPS109397  Crataegus gaylussacia Dean W. Taylor 2004-7-19 19186 Siskiyou Weed, wet meadow just east of town limits along Boles Creek 1051 Comment
  HSC43042  Crepis acuminata J. O. Sawyer, Ken Stillman 1976-7-2 2815 Siskiyou Ridges E of the Little N Fork Trail 732 Comment
  JEPS93879  Crepis acuminata Vernon H. Oswald and Lowell Ahart 1998-7-21 9319 Siskiyou Highway 97 at the 11.0 mi marker 1.2 mi w of A12 ne of Weed; Highway 97. 1188 Comment
  UCD130929  Crepis capillaris Robert E. Preston 1995-6-18 880 Siskiyou ca. 3 miles east-southeast of Hornbrook, adjacent to Ager Road. 701 Comment
  UC581286  Crepis monticola G. L. Stebbins Jr. and E. B. Babcock 1936-6-11 1937 Siskiyou old river terrace about 8 mi s Yreka 1180 Comment
  CDA4447  Crepis occidentalis J. Grisham 1958-5-14 399 -58 Siskiyou W. H. Gamble property, Yreka. 0 Comment
  UC581299  Crepis occidentalis E. B. Babcock and G. L. Stebbins Jr. 1936-6-11 1885 Siskiyou flat about 2 mi s Yreka 810 Comment
  UCD77571  Crepis occidentalis Robert E. Preston 2002-6-20 1840 Siskiyou Klamath National Forest, Rainbow Mountain, W ridge, on E-facing slope 1946 Comment
  UC581295  Crepis occidentalis subsp. pumila E. B. Babcock and G. L. Stebbins Jr. 1936-6-11 1938 Siskiyou old river terrace about 8 mi s Yreka 810 Comment
  CAS-BOT-BC290883  Crepis pleurocarpa H. E. Brown 1897-6-1 382 Siskiyou Near Sisson 1083 Comment
  UCD130977  Crepis pleurocarpa G. J. Muth 1975-7-30 5724 Siskiyou Near Kangaroo Mountain, near Seiad Valley. 1853 Comment
  UC536684  Cryptantha intermedia D. H. Johnson and F. G. Palmer 1935-5-16 Siskiyou 11 mi ne of Weed 1097 Comment
  UC857144  Cryptantha intermedia Milo S. Baker 1936-6-12 8285 Siskiyou about 42 mi n Weed (Highway 97) Comment
  POM72149  Cryptantha milobakeri Geo. D. Butler 1909-5-2 733 Siskiyou Yreka. Comment
  UCD119885  Cryptantha milobakeri J. P. Smith; Steve Selva 1970-6-14 3862 Siskiyou Siskiyou County. Comment
  UC933385  Cryptantha torreyana Annie M. Alexander and Louise Kellogg 1948-9-7 5589 Siskiyou Black Bear Summit, at fork of road from Cecilville to first lookout Siskiyou Mountains 1524 Comment
  UC185185  Cryptogramma acrostichoides Geo. D. Butler 1755 Siskiyou Shackelford Creek 1371 Comment
  UC399487  Cryptogramma acrostichoides Geo. D. Butler 1909-7-15 875 Siskiyou Highland Mine Comment
  CAS-BOT-BC70534  Cryptogramma cascadensis W. B. C. 1938-8-18 11502 Siskiyou Lower Horse Camp Slopes above Horse Camp 2514 Comment
  CAS-BOT-BC85650  Cupressus bakeri Oliver V. Matthews 1939-7-18 38 Siskiyou Northeast Goose Nest Grove-Goose Nest Region 1828 Comment
  NY16588  Cupressus bakeri J. T. Howell 1934-7-4 12386 Siskiyou Lava flow from Timbered Crater and Little Hot Springs Valley Comment
  NY16600  Cupressus bakeri J. P. Carson 1978-1-12 273 Siskiyou Lassen National Forest, Hat Creek Ranger District. Timbered Crater, 16 miles north of Fall River Mills Comment
  NY16608  Cupressus bakeri C. B. Wolf 1934-10-8 6166 Siskiyou Modoc Lava Beds, 1 mile northeast of Timbered Crater on Old Stage Road from Dana to Little Hot Springs Valley 1219.2 Comment
  NY16611  Cupressus bakeri C. B. Wolf 1934-10-8 6167 Siskiyou Modoc Lava Beds, 1 mile northeast of Timbered Crater on Old Stage Road from Dana to Little Hot Springs Valley 1219.2 Comment
  RSA22766  Cupressus bakeri O. V. Matthews 1939-7-11 30 Siskiyou Nearly the highest point of Seiad Grove, Seiad Region 1433 Comment
  UC650674  Cupressus bakeri Oliver V. Matthews 1939-7-18 36 Siskiyou ne Goose Nest Grove Goose Nest Region 1524 Comment
  UC650675  Cupressus bakeri Oliver V. Matthews 1939-7-5 21 Siskiyou Sullivan Mine Grove Cook and Green Region, Sullivan Mine Grove 1066 Comment
  UC618828  Cycladenia humilis var. humilis unknown 1938-7-28 11380 Siskiyou ridge n. of Horse Camp (Mt. Shasta); Mt. Shasta Comment
  CAS-BOT-BC114145  Cyperus squarrosus Henry M. Pollard 1956-10-7 s.n. Siskiyou Klamath River bar on Spink's Ranch at Roger's Creek, Somes Bar. Comment
  HSC40381  Cypripedium californicum A. Montalvo, J. D. Ackerman 1974-8-17 424 Siskiyou West slope of Preston Peak, 0.5 mi. N of Rattlesnake Meadows 1646 Comment
  HSC66260  Cypripedium californicum Maralyn A. Renner 1980-7-4 1416 Siskiyou Clear Creek Trail, N of Trout Camp. 1067 Comment
  UC164390  Cypripedium montanum Geo. D. Butler 1910-6-19 Siskiyou <?> Mountain Comment
  HSC36425  Cystopteris fragilis J. O. Sawyer 1969-8-4 1876 Siskiyou S of S Sugar Lake 2104 Comment
  JEPS68513  Dactylis glomerata Geo. D. Butler 1909-6-18 835 Siskiyou Yreka Comment
  CAS-BOT-BC192249  Danthonia californica Melissa A. Berry 1957-7-6 s.n. Siskiyou Heather Lake, near Salmon Mt. 2042 Comment
  HSC34136  Danthonia californica J. O. Sawyer 1969-8-5 1780 Siskiyou W of Little Duck Lake 2073 Comment
  RSA238378  Danthonia californica var. americana Frederick W. Oettinger 1969-8-14 1372 Siskiyou English Lake Campsite. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1936 Comment
  RSA120753  Darlingtonia californica S. Tillett 1956-7-11 679 Siskiyou Both sides of Scott Mountain divide near campground; Siskiyou-Trinity Co. lines, 8 miles SE of Callahan [Siskiyou-Trinity counties]. 1616 Comment
  RSA120876  Darlingtonia californica Unspecified 1955-7-9 160 Siskiyou 0.25 mile north of Kangaroo Lake on Rail Creek, Scott Mountains 1829 Comment
  UC30134  Darlingtonia californica W. C. Blasdale July, 1899 1074 Siskiyou Siskiyou Mts. Comment
  RSA34341  Darmera peltata Carl B. Wolf 1927-8-27 1140 Siskiyou Mouth of Crawford Creek, Klamath River. Comment
  UC673201  Darmera peltata Lincoln Constance and Reed C. Rollins 1942-5-13 2903 Siskiyou Klamath River at mouth of Portuguese Creek, 4 miles east of Thompson Creek. 457 Comment
  POM211409  Datura stramonium Louis C. Wheeler 1934-10-28 3350 Siskiyou Yreka. 823 Comment
  UCD126528  Datura stramonium P. B. Kennedy 1922-8-29 s.n. Siskiyou Fritz Young Ranch, Scott Valley. Comment
  SEINET1004226  Delphinium depauperatum Mark Fishbein, Lane Greer 2006-1 5883 Siskiyou Payness Creek, at road crossing below Payness Springs, about 2 mi southeast of Medicine Lake. 1975 Comment
  HSC69345  Delphinium glaucum Maralyn A. Renner 1980-8-8 2465 Siskiyou Rattlesnake Meadow 1646 Comment
  CAS-BOT-BC8760  Delphinium glaucum K. T. Stillman 1976-7-29 309 Siskiyou Marble Mountain Wilderness Area, Bear Creek Trail 1584 Comment
  SEINET12092406  Delphinium glaucum W. W. Eggleston 1915-1 11669 Siskiyou Crater Creek, East Fork of Scott River, Shasta Forest 1800 Comment
  HSC684  Delphinium nuttallianum William J. Ferlatte 1967-6-29 577 Siskiyou Dorleska Summit 2134 Comment
  CAS-BOT-BC116160  Delphinium nuttallianum L. E. Smith 1913-4-29 S. N. Siskiyou Dunsmuir Comment
  UC642522  Deschampsia atropurpurea Jason Swallen 1939-8-24 13892 Siskiyou middle cascade portion Squaw Valley Creek; Mt. Shasta, Squaw Valley Creek Comment
  UCD61375  Deschampsia cespitosa subsp. cespitosa Ellen Dean; with Gary Nakamura and K. Mawdsley 2002-7-28 1207 Siskiyou Shasta Trinity National Forest; NW of Castle Crags, in Castle Crags Wilderness. Found west of I-5, near headwaters of the south fork of the Sacramento River. Along shores of Gray Rock Lake. 1800 Comment
  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
  HSC26484  Deschampsia elongata J. P. Smith, Steve Selva 1970-7-15 4368 Siskiyou 2 mi. below the Baldy Mt. Lookout Station. Comment
  HSC39862  Deschampsia elongata J. P. Smith, Steve Selva 1970-7-15 4368 Siskiyou 2 mi. below the Baldy Mt. Lookout Station. Comment
  HSC65676  Deschampsia elongata Donald W. Miles 1979-7-21 20 Siskiyou Near Black Fox Mt., 20 mi. NE of McCloud, 3/4 way up Shirttail Canyon. 1585 Comment
  HSC92279  Deschampsia elongata Jennifer Whipple 1978-10-6 2409 Siskiyou Primarily N facing slopes in the Eddy Creek drainage. 2317 Comment
  RSA728504  Deschampsia elongata Gary D. Wallace, Tom Jimmerson 1979-6-22 1857 Siskiyou Due west of Requa, NNW of Flint Valley, SE of Chimney Rock. Along 15N01. Comment
  UC203907  Deschampsia elongata Geo. D. Butler 1909-6-20 840 Siskiyou near Yreka Yreka Comment
  UC673281  Descurainia pinnata subsp. halictorum Lincoln Constance and Reed C. Rollins 1942-5-14 2932 Siskiyou 6 mi n Yreka (Shasta River); Klamath-Siskiyou Region 762 Comment
  RSA60669  Descurainia sophia I. L. Wiggins 1950-5-27 12353 Siskiyou Banks of East Fork of Scott River at Callahan Ranger Station, Callahan. 976 Comment
  CAS-BOT-BC43518  Descurainia sophia A. A. Heller 1916-6-22 12425 Siskiyou Near Sisson. 1074 Comment
  UC35046  Dicentra formosa C. B. Bradley 1879-1 Siskiyou Comment
  RSA0028774  Dicentra formosa subsp. formosa J. P. Smith 1973-5-5 6480 Siskiyou Along Cook and Green Pass road. Comment
  RSA126268  Dicentra formosa subsp. formosa I. L. Wiggins 1955-7-29 13576 Siskiyou North-facing slope between Caribou Lake and Pass to Thompson Creek. 1957 Comment
  RSA166277  Dicentra formosa subsp. formosa Donald Myrick 1961-6-21 312 Siskiyou On Deer Camp Road above Oak Knoll Ranger Station on Klamath River 19 miles west of Highway 99 1829 Comment
  CHSC89530  Dicentra formosa subsp. oregana G. F. Hrusa 2001-6-6 15854 Siskiyou Siskiyou Mountains. Nr. summit of pass betw. Happy Camp and O'Brien, Oregon at turnoff to Bolan Lake, at Oregon border. Roadside. UTM: 10S, 4649821 N, 0456023 E. 1424 Comment
  HSC101  Dicentra pauciflora William J. Ferlatte 1967-6-29 566 Siskiyou Along Yellow Rose Mine Trail 1677 Comment
  RSA120726  Dicentra pauciflora S. S. Tillett 1956-7-9 644 Siskiyou E of Scott Mountain, ca. 8 mi. SE of Callahan. Trinity-Siskiyou Cos line. 1829 Comment
  SBBG2376  Dicentra pauciflora H. and M. Dearing 1938-6-28 2186 Siskiyou Mt Shasta 1828 Comment
  RSA297049  Dicentra pauciflora John F. Emmel 1974-7-19 517 Siskiyou Wet meadow 0.2 air mile west of Lily Pad Lake, Siskiyou Mountains. 1753 Comment
  HSC43036  Dichelostemma multiflorum J. O. Sawyer, Ken Stillman 1976-7-2 2809 Siskiyou Ridges E of the Little N Fork Trail 732 Comment
  UC375155  Dichelostemma multiflorum Geo. D. Butler 1909-7-20 887 Siskiyou Highland Mine Salmon Range 1828 Comment
  CAS-BOT-BC291008  Dieteria canescens var. shastensis L. E. Smith 1915-8-1 s.n. Siskiyou Bray Comment
  CAS-BOT-BC291016  Dieteria canescens var. shastensis Grant 1902-9-7 5119 Siskiyou Mt. Shasta Comment
  CAS-BOT-BC291019  Dieteria canescens var. shastensis L. E. Smith 1915-7-1 s.n. Siskiyou Bray Comment
  JEPS40709  Dieteria canescens var. shastensis W. L. Jepson 1940-7-1 20082 Siskiyou 6 mi e McCloud (Fowlers Camp); McCloud River 975 Comment
  UC1188084  Dieteria canescens var. shastensis Philip A. Munz 1960-8-22 24183 Siskiyou Panther Meadows Mt. Shasta, Panther Meadows 2529 Comment
  UC1332426  Dieteria canescens var. shastensis W. Bridge Cooke 1940-7-12 15336 Siskiyou along Memorial Highway; Mount Shasta Comment
  HSC5960  Dieteria canescens var. shastensis D. M. Thomson 1965-8-21 206 Siskiyou California Lava Beds National Monument; Devil's Homestead Lava Flow Comment
  HSC76730  Dieteria canescens var. shastensis K. T. Stillman 1976-8-8 392 Siskiyou Marble Mtn. Wilderness Area, ridge W of jump off. 2073 Comment
  SEINET260462 Image available Diplacus nanus David M. Thompson 1989-1 1022 Siskiyou 10.0 mi NE of Weed along Hwy 97 NW side of rd 1150 Comment
  SD53404  Dipsacus fullonum Darley F. Howe 1962-8-5 3260 Siskiyou Bank of Klamouth River, 56.8 mi. E of Happy Camp on Hwy 96 609 Comment
  SDSU13054  Dipsacus sativus D. F. Howe 1962-8-5 3260 Siskiyou 56.8 miles east of Happy Camp on #96. 610 Comment
  UC1409217  Disporum hookeri Frederick W. Oettinger 1969-8-1 1123 Siskiyou above Wiregrass Meadow (near English Lake, vicinity of English Peak, Salmon Mountains, Marble Mountain Wilderness Area); Salmon Mountains, Marble Mountain Wilderness Area 1706 Comment
  RSA237900  Disporum hookeri var. hookeri Frederick W. Oettinger 1969-8-1 1123 Siskiyou White fir woods above Wiregrass Meadow, near English Lake. High Lake Basins in the vicinity of English Peak; Marble Mtn Wilderness Area. 1707 Comment
  CHSC91248  Distichlis spicata Lowell Ahart; John Dittes 2005-6-9 12004 Siskiyou Meadow area along a small drainage, on the east side of a poor rock fence, about 300 yards east of where cattle water in the Shasta River, about 3/5 mile (air) south of Highway 99/97 Cutoff, about 2 1/2 miles (air) east-southeast of Grenada. 774 Comment
  RSA238722  Dodecatheon jeffreyi Frederick W. Oettinger 1969-7-17 1051 Siskiyou Along inlet stream on SW side of Upper English Lakw. Wet bereal meadow. Red Fir Forest. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1768 Comment
  UC165970  Dodecatheon jeffreyi Geo. D. Butler 1910-6-5 1522 Siskiyou Loy Lake Shackleford Creek, Loy Lake Comment
  SEINET11973424  Dodecatheon jeffreyi H. P. Chandler 1901-1 1573 Siskiyou near Marble Mountain 1829 Comment
  RSA181958  Downingia montana John Weiler, Lincoln Constance, E. Moleseed 1960-6-15 60178 Siskiyou Beside railroad tracks about 300 ft. off Hwy 99 just N of the bridge over the Sacramento River at the N end of Lake Shasta (Antler Resort area.) Comment
  UC1188734  Downingia montana John H. Weiler, L. Constance, and E. Molseed 1960-6-15 60178 Siskiyou about 300 ft off Highway 99 (just n of the bridge over the Sacramento River, at the n end of Lake Shasta (Antler Resort area)); Lake Shasta, Antler Resort Area 396 Comment
  HSC61208  Draba howellii Al Hobart 1967-8-9 Siskiyou El Capitan Comment
  HSC6738  Draba howellii H. P. Chandler Jun 1901 1654 Siskiyou Marble Mtn. 2439 Comment
  JEPS53500  Draba nemorosa Geo. D. Butler 1910-4-10 1162 Siskiyou near Yreka Comment
  CAS-BOT-BC210237  Draba pterosperma Dana York 2011-8-12 3038 Siskiyou Marble Mountain Wilderness. Klamath National Forest, Marble Mountain 2075 Comment
  UCR37813  Draba pterosperma K. T. Stillman 1976-7-30 318 Siskiyou Marble Mtn Wilderness Area, ridge top just north of Black Mt. 2104 Comment
  UC1045245  Drosera rotundifolia W. Bridge Cooke 1940-7-5 15269 Siskiyou Wagon Camp Mount Shasta (sedge swamp) Comment
  HSC86529  Drymocallis glandulosa D. K. Imper Jun 1987 Siskiyou 8 mi. E of Somes Bar 1372 Comment
  UC165749  Drymocallis glandulosa var. glandulosa Geo. D. Butler 1910-5-30 1431 Siskiyou Humbug Creek Comment
  RSA237852  Drymocallis glandulosa var. reflexa Frederick W. Oettinger 1969-8-1 1124 Siskiyou Above wiregrass meadow near English Lake. Salmon Mtns. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1799 Comment
  CAS-BOT-BC159291  Drymocallis lactea var. lactea Gilbert Muth 1966-7-31 470 Siskiyou North side of Black Mountain, Marble Mts. 1981 Comment
  HSC90600  Drymocallis pseudorupestris var. pseudorupestris Jennifer Whipple 1976-6-23 1106 Siskiyou Mt. Eddy, E and S facing slopes draining into the N Fork of the Sacramento River 2256 Comment
  CAS-BOT-BC158424  Drymocallis rhomboidea Doris K. Kildale 1929-7-20 8607 Siskiyou South east spur, Preston Peak 1828 Comment
  HSC65132  Dysphania botrys J. P. Smith, Steve Selva 1970-7-17 4413 Siskiyou Along Klamath River. Comment
  CAS-BOT-BC113319  Eleocharis montevidensis David Daniels Keck 1949-7-19 s.n. Siskiyou 6.5 mi SW of Yreka on road to Ft. Jones, nr head of Yreka Creek at first spring. 1127 Comment
  UC184026  Eleocharis obtusa Geo. D. Butler 1908-8-28 7 Siskiyou Oro Fino Comment
  UC185013  Eleocharis obtusa Geo. D. Butler 1910-8-27 1855 Siskiyou Oro Fino Comment
  UC839227  Eleocharis parishii Louis C. Wheeler 1934-7-17 2913 Siskiyou Cottonwood Creek Siskiyou Mountains 1036 Comment
  CAS-BOT-BC112694  Eleocharis parishii Louis C. Wheeler 1934-7-17 2913 Siskiyou Cottonwood Creek. 1036 Comment
  POM144779  Eleocharis parishii E. B. Copeland 1903-7-7 3556 Siskiyou Hornbrook. Comment
  JEPS117635  Eleocharis rostellata Lowell Ahart, John Dittes 2010-7-30 16946 Siskiyou About 5 yards south of the Shasta River, about 40 yards east of the East Louie Road Bridge, Shasta Big Springs Ranch, 1.6 miles (air) southwest of Big Spring Lake, 4.6 miles (air) northwest of Dwinnel Dam, 5.7 miles (air) southeast of Grenada 716 Comment
  CAS-BOT-BC112016  Eleocharis suksdorfiana Elmer Ivan Applegate 1995-5-28 s.n. Siskiyou Sacramento River below Sisson. 18th crossing of SPR Comment
  CAS-BOT-BC451560  Elodea canadensis Alice Eastwood No date on label 1268 Siskiyou Sisson Comment
  POM359909  Elymus X hansenii M. B. Dunkle 1945-1 9321 Siskiyou Klamath National Forest, Marble Mountains. 2439 Comment
  CAS-BOT-BC227917  Elymus elymoides John Thomas Howell 1939-8-6 15107 Siskiyou Elk Mt., Marble Mts. Comment
  POM359940  Elymus elymoides M. B. Dunkle 1945-07 9241 Siskiyou Klamath National Forest; Marble Mts. Comment
  RSA210772  Elymus elymoides Jim Henrickson, C. W. Tilforth 1969-9-3 39037 Siskiyou Margin of desiccated alkali flat along Hwy 161 on N side of Lower Klamath Lake, Lake Klamath National Wildlife Refuge, 1.9 mi. E of junction of Hwys 97 and 161l with Chenopodium rubrum, Atriplex argentea expansa. etc. Comment
  SEINET10564673  Elymus elymoides A. Arthur Heller 1905-6-19 Heller 8071 Siskiyou Grenada Station. Comment
  JEPS70698  Elymus elymoides subsp. elymoides Geo. D. Butler 1909-6-4 812 Siskiyou near Yreka Comment
  HSC22446  Elymus elymoides var. elymoides J. O. Sawyer 1969-7-18 1434 Siskiyou SW facing slope above Deacon Lee Trail 2195 Comment
  CAS-BOT-BC206604  Elymus glaucus subsp. glaucus E. Palmer 1892-1-1 2613 Siskiyou Mt. Shasta Comment
  UCD62506  Elymus multisetus Beecher Crampton 1969-6-19 8469 Siskiyou 3 miles north of Weed along Interstate Hwy. 5. Comment
  HSC101396  Elymus spicatus J. P. Smith, J.0. Sawyer, R. J. Cole 2010-8-7 13052 Siskiyou Kalmath National Forest. Forest Service Road 40N24 to Crater Lake 1768 Comment
  HSC91443  Elymus spicatus Jennifer Whipple 1977-8-6 2220 Siskiyou Dobkins Lake drainage on E facing slope above Dobkins Lake 2256 Comment
  CAS-BOT-BC204265  Elymus trachycaulus subsp. subsecundus David D. Keck 1949-7-20 6367 Siskiyou Meadow at Scott Mountain Summit, at Trinity County line 1633 Comment
  CHSC61573  Elymus trachycaulus subsp. trachycaulus L. P. Janeway 1983-8-26 597 Siskiyou Siskiyou Mountains; at Poker Flat, lower portion of meadow. 1524 Comment
  POM248138  Epilobium anagallidifolium W. Bridge Cooke 1939-8-24 13902 Siskiyou Mount Shasta: West branch of Squaw Valley Creek in the Heather Meadow. Comment
  JEPS43909  Epilobium brachycarpum Geo. D. Butler 1908-8-26 155 Siskiyou roadside 1 mi n Etna Comment
  UC164268  Epilobium brachycarpum Geo. D. Butler 1910-7-3 1629 Siskiyou Goosenest foothills 1219 Comment
  RSA240051  Epilobium brachycarpum Frederick W. Oettinger 1969-8-12 1339 Siskiyou Along Main, North Fork Trail, between Yellow Dog Creek and Abbott s Lower Cabin. Salmon Mtns. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. Comment
  JEPS121626  Epilobium ciliatum Kendra Sikes 2011-8-24 Siskiyou Headwaters of Fawn Creek, east slope of the Eddys. Gently sloping wet meadow / fen on ultramafic soil; N aspect. Mumbo Basin quadrangle. FCS-1D Comment
  POM259018  Epilobium ciliatum subsp. ciliatum W. Bridge Cooke 1940-7-12 15320 Siskiyou In spring in Box Canyon of the Sacramento River near Mount Shasta City 915 Comment
  POM258979  Epilobium ciliatum subsp. glandulosum W. Bridge Cooke 1940-8-2 15394 Siskiyou Bear Springs, Mount Shasta 1524 Comment
  UC637165  Epilobium densiflorum Edward Lee 1934-8-10 1017 Siskiyou s bank of river between McKinney Creek and Parkerhouse Creek; Klamath River 609 Comment
  HSC92082  Epilobium glaberrimum subsp. fastigiatum Jennifer Whipple 1976-7-4 1467 Siskiyou Wagon Creek drainage near Wagon Creek 2195 Comment
  RSA237398  Epilobium glaberrimum subsp. glaberrimum Frederick W. Oettinger 1969-8-3 1150 Siskiyou Halfway spring. trail English Lake to Diamond Lake; Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1829 Comment
  HSC36424  Epilobium hallianum J. O. Sawyer 1969-7-18 1158 Siskiyou E of Waterdog Lake 2012 Comment
  POM251088  Epilobium hornemannii subsp. hornemannii W. Bridge Cooke 1938-8-18 11479 Siskiyou Mt. Shasta. 2439 Comment
  UCD105960  Epilobium minutum Jesse Miller 2010-1 s.n. Siskiyou Near Yreka.. 1219 Comment
  JEPS84191  Epilobium obcordatum L. R. Heckard with S. D'Alcamo, J. Hickman, S. Winchester 1986-7-16 6405 Siskiyou cirque at head of canyon Hell's Canyon (ca 5 mi n of town of Seiad Valley) 1750 Comment
  HSC86524  Epilobium oreganum D. K. Imper 1987-7-23 Siskiyou 8 mi. E of Somes Bar 1372 Comment
  CAS-BOT-BC171858  Epilobium septentrionale Maxine Wilkes 1940-8-20 s.n. Siskiyou Cliff Lake, Marble Mts. Comment
  UC1034570  Epilobium siskiyouense Douglas Barbe 1955-7-26 283 Siskiyou small pond on n side of mtn below summit; Klamath Mountains, Scott Mountain 1981 Comment
  CAS-BOT-BC58005  Equisetum Carl B. Wolf 1927-8-26 1084 Siskiyou On the Klamath River, 14 mi. above Happy Camp. Comment
  CAS-BOT-BC58009  Equisetum A. A. Heller 1920-8-11 13508 Siskiyou Metcalf's Ranch, ne. base of Mt. Eddy. 1158 Comment
  UC399179  Equisetum X ferrissii Geo. D. Butler 1908-7-16 250 Siskiyou Klamath River Comment
  UC42745  Equisetum hyemale subsp. affine M. A. Howe 1894-8-8 196 Siskiyou woods near Shasta Springs Comment
  RSA60487  Equisetum laevigatum John H. Thomas 1949-6-16 941 Siskiyou 10 miles north of Gazelle. Comment
  JEPS60117  Equisetum telmateia subsp. braunii Geo. D. Butler 1909-4-11 682 Siskiyou Shasta Springs Comment
  RSA603672  Eragrostis hypnoides L. C. Wheeler 1935-7-20 3675 Siskiyou Scott Valley: Scott river 1.5 miles west of Fort Jones. 822 Comment
  JEPS52498  Eremocarpus setiger Geo. D. Butler 1908-8-15 69 Siskiyou near Yreka; Butler Ranch Comment
  UC375492  Eremocarpus setiger Geo. D. Butler 1908-7-16 1031 Siskiyou Klamath River Comment
  HSC99824  Eremogone congesta G. L. Clifton, Terry Griswold 1979-6-28 6106 Siskiyou Near Upper Devils Peak, close to the town of Seiad Valley 1738 Comment
  UCD21461  Eremogone congesta Ellen Dean; with Gary Nakamura and K. Mawdsley 2002-7-28 1200 Siskiyou Shasta Trinity National Forest; NW of Castle Crags, in Castle Crags Wilderness. Found west of I-5, near headwaters of the south fork of the Sacramento River. Along trail to Gray Rock Lake. 1819 Comment
  HSC36423  Eremogone congesta J. O. Sawyer 1969-6-12 935 Siskiyou Along Duck Lake trail 1905 Comment
  CAS-BOT-BC168328  Eremogone congesta var. congesta W. R. Dudley 1905-8-4 s.n. Siskiyou Mt. Eddy Comment
  CAS-BOT-BC286694  Ericameria bloomeri Elmer I. Applegate 1923-8-20 3899 Siskiyou Medicine Lake Comment
  SEINET5709306 Image available Ericameria bloomeri J. Semple, B. Semple 1981-1 5709 Siskiyou S of Mt. Shasta city, Business I-5.; Shasta Comment
  CHSC57344  Ericameria nauseosa Michael D. Mayes 1983-4-16 7 Siskiyou Ca. 8 mi sw of Tulelake. Approx. 250 yds n of n entrance to Lava Beds National Monument. 1231 Comment
  CAS-BOT-BC299465  Ericameria nauseosa var. speciosa Louis C. Wheeler 1934-8-26 3223 Siskiyou Trapper Cr., Klamath National Forest 1859 Comment
  HSC93810  Ericameria nauseosa var. speciosa Jennifer Whipple 1977-8-4 2156 Siskiyou Wagon Creek drainage on the E face of Mt. Eddy 2439 Comment
  HSC61780  Erigeron aliceae Ruby Van Deventer 1938-7-31 Siskiyou Poker Flat 1585 Comment
  JEPS41576  Erigeron aliceae W. L. Jepson 1937-7-30 18536 Siskiyou near Poker Flat; Summit Siskiyou Mts. 1584 Comment
  UC163865  Erigeron bloomeri var. bloomeri Geo. D. Butler 1909-5-10 699 Siskiyou dry hill near Yreka Comment
  CAS-BOT-BC509282  Erigeron cervinus Dana York 2012-7-20 3121 Siskiyou Rogue River--Siskiyou National Forest, Siskiyou Mountains, ca 2.4 km WSW of Cook and Green Pass, moist slope above Echo Lake 1710 Comment
  HSC58865  Erigeron cervinus Marvin Butler 1971-7-13 120 Siskiyou Near Copper Creek, close to town of Cave Junction 1464 Comment
  JEPS75970  Erigeron cervinus William J. Ferlatte 1974-7-13 1514 Siskiyou S. Fork Salmon River W of Big Flat; Trinity Alps 1432 Comment
  JEPS94250  Erigeron chrysopsidis var. austiniae Vernon H. Oswald and Lowell Ahart 1998-6-11 9214 Siskiyou 1.5 mi s of the Rail Road crossing s of Mount Hebron (Klamath National Forest boundary on Old State Highway); Klamath National Forest boundary on Old State Highway 1295 Comment
  UC922270  Erigeron chrysopsidis var. austiniae Annie M. Alexander and Louise Kellogg 1949-7-22 5842 Siskiyou trail to Kings Castle (top of ridge); Marble Mountains, Paradise Lake 1780 Comment
  CAS-BOT-BC297186  Erigeron concinnus var. concinnus Elmer I. Applegate 1935-6-6 9375 Siskiyou North slope of Caldwell Butte, Lava Beds National Monument Comment
  NY168441  Erigeron copelandii E. B. Copeland 09 1903 s.n. Siskiyou Mt. Eddy 1249.7 Comment
  JEPS82103  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-BC300472  Erigeron filifolius Edwin B. Copeland 1903-9-8 s.n. Siskiyou Foot of Mt. Eddy 1219 Comment
  HSC68443  Erigeron foliosus var. confinis Maralyn A. Renner 1980-7-4 1386 Siskiyou Near trail about 0.25 mi. below Rattlesnake Meadow 1585 Comment
  CAS-BOT-BC295383  Erigeron inornatus Wm. Bridge Cooke 1938-7-22 11326 Siskiyou Mount Shasta. Sisson Southern Trail Comment
  LA203587  Erigeron inornatus Edward Lee; 1934-8-14 1113 Siskiyou near summit of Little Grayback, Siskiyou-Del Norte County line 1828 Comment
  PASA1715  Erigeron inornatus Frank W. Peirson 1923-7-20 Siskiyou 2 miles below Whitney Creek on the road to Weed Comment
  UC75286  Erigeron inornatus var. inornatus Copeland 1903-7-3 3531 Siskiyou Klamathon Comment
  OBI55433  Erigeron inornatus var. inornatus David J. Keil 1992-7-20 23492 Siskiyou Klamath NF W of Ft. Jones. Along Forest Rd 44N45, 2 mi S of Scott river Rd 100 Comment
  CAS-BOT-BC295460  Erigeron klamathensis Louis C. Wheeler 1934-8-6 3056 Siskiyou Rock Gulch off Jaynes Canyon, Siskiyou Mts. 1828 Comment
  HSC69344  Erigeron klamathensis Maralyn A. Renner 1980-9-9 2758 Siskiyou Medicine Mtn., ridge to SW 2058 Comment
  JEPS29180  Erigeron klamathensis Lauramay Dempster 1961-7-1 1832 Siskiyou slopes se White Mountains Comment
  CAS-BOT-BC295805  Erigeron petrophilus var. viscidulus Louis C. Wheeler 1934-8-24 3219 Siskiyou Klamath National Forest. Trapper Cr. 1859 Comment
  CAS-BOT-BC295810  Erigeron petrophilus var. viscidulus Alice Eastwood 1912-8-30 2034 Siskiyou Mount Eddy Comment
  POM357413  Erigeron petrophilus var. viscidulus M. B. Dunkle 1945-1 9309 Siskiyou Klamath National Forest, Marble Mountains. 2439 Comment
  CAS-BOT-BC300082  Erigeron philadelphicus Ira L. Wiggins 1955-7-25 13506 Siskiyou Ditch head on Rush Creek, Mountain View Ranch 1005 Comment
  CAS-BOT-BC300096  Erigeron philadelphicus Alice Eastwood 1912-7-17 s.n. Siskiyou Sisson Comment
  SEINET10616375  Erigeron philadelphicus David B. Dunn, Melvin L. Conrad; Douglas G. LeDoux 1973-6-3 Dunn 20641 Siskiyou Vicinity of the Campground on the Salmon River, 8.3 mi W of Cecilville. Comment
  UC1190271  Erigeron philadelphicus var. philadelphicus Ira L. Wiggins 1955-7-25 13506 Siskiyou Mountain View Ranch, ditch head on Rush Creek Rush Creek 1005 Comment
  UC163864  Erigeron philadelphicus var. philadelphicus Geo. D. Butler 1908-6-25 508 Siskiyou creek bank near Yreka Comment
  CAS-BOT-BC300114  Erigeron pumilus var. intermedius L. E. Smith 1913-5-18 268 Siskiyou Gazelle Comment
  UC1034642  Erigeron pumilus var. intermedius Milo S. Baker 1955-6-26 13073 Siskiyou between Weed and Gazelle; Shasta Valley 914 Comment
  UC1192213  Erigeron pumilus var. intermedius Herbert L. Mason 1948-7-18 13609 Siskiyou Grass Lake Comment
  UC135491  Erigeron pumilus var. intermedius A. A. Heller 1905-6-19 8063 Siskiyou Grenada Comment
  POM312495  Erigeron pumilus var. intermedius H. L. Mason 1948-7-18 13609 Siskiyou Grass Lake Comment
  CHSC8614  Eriodictyon californicum G. Smalley 1967-6-7 Siskiyou Collected ca. 9 miles w of Fort Jones on Quartz Mt. 1280 Comment
  UC1324595  Eriogonum baileyi var. baileyi W. B. and V. G. Cooke 1966-7-16 37216 Siskiyou along old logging road above Bolam Station; Mt. Shasta 1524 Comment
  CAS-BOT-BC248836  Eriogonum compositum var. compositum D. E. Breedlove 1962-6-11 3344 Siskiyou 7.4 miles south-west of Scott Bar 624 Comment
  UC55778  Eriogonum compositum var. compositum T. H. Gilbert Jun 15 1899-Jul 15 1899 Siskiyou Scott River Valley Comment
  UC635010  Eriogonum compositum var. compositum H. L. Mason 1931-5-9 5865 Siskiyou Shasta Creek 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
  UC609321  Eriogonum elatum Eleanor Burks Hart 1938-8-15 926 Siskiyou n side of Upper Wright Lake Upper Wright Lake 2225 Comment
  RSA264975  Eriogonum lobbii var. lobbii Gilbert Muth 1975-7-31 6034 Siskiyou Near Kangaroo Mountain, near Seiad Valley. 1919 Comment
  HSC81670  Eriogonum marifolium Thomas W. Nelson, Jane P. Nelson 1980-7-17 6080 Siskiyou Along FS Rd. 17, 1 mi. N of summit at county line 2073 Comment
  HSC66406  Eriogonum marifolium var. marifolium J. O. Sawyer, J. Cole 1980-7-20 3793 Siskiyou E side of Grouse Hill 2134 Comment
  UC1540014  Eriogonum microthecum var. ambiguum Mitchell 1936-5-9 12 Siskiyou sse sloipe of Schonchin Butte Lava Beds National Monument, Schonchin Butte 1569 Comment
  HSC69233  Eriogonum nudum Maralyn A. Renner 1980-9-1 2713 Siskiyou S side of Devil's Punchbowl 1829 Comment
  CAS-BOT-BC261617  Eriogonum nudum var. nudum H. A. Thomas; J. H. Thomas 1954-7-22 4447 Siskiyou Salmon - Trinity Mts. About 6 miles SE of Cecilville. Between Rush and Big Bend Creeks, 0.25 - 0.5 miles N of S Fork of Salmon River 975 Comment
  UC1043396  Eriogonum nudum var. nudum P. C. Everett and E. K. Balls 1954-10-13 20279 Siskiyou 6.7 mi ne, road to Kangaroo Mt. Hwy. 96; Seiad Creek 701 Comment
  UC1483512  Eriogonum nudum var. nudum Maralyn A. Renner 1980-7-24 2119 Siskiyou about 1/4 mi sw, on Pacific Crest Trail Cook and Green Pass; Klamath National Forest, Seiad Valley Quad. 1493 Comment
  UC54705  Eriogonum nudum var. nudum T. H. Gilbert Jun 15 1899-Jul 15 1899 Siskiyou Scott River Valley Comment
  RSA96965  Eriogonum nudum var. nudum Percy C. Everett, E. K. Balls 1954-10-13 20279 Siskiyou Seiad Creek, road to Kangaroo Mt., 6.7 miles NE from Hwy 96. 701 Comment
  SD23783  Eriogonum nudum var. nudum Wm. Bridge Cooke 1938-6-17 11037 Siskiyou Mt. Shasta 1372 Comment
  RSA601442  Eriogonum nudum var. oblongifolium Louis C. Wheeler 1935-6-29 3624 Siskiyou Yreka. 808 Comment
  CAS-BOT-BC272489  Eriogonum nudum var. pubiflorum A. M. Vollmer; L. Beane 1951-6-2 44 Siskiyou Klamath River Highway, betw. U.S. 99 & Gottville Comment
  HSC17328  Eriogonum nudum var. pubiflorum D. M. Thomson 1965-7-10 131 Siskiyou Lava Beds N.M., 0.5 mi. S on main rd. from information center Comment
  UC618610  Eriogonum nudum var. pubiflorum Susan Stokes 1938-6-17 11037 Siskiyou Sisson Southern Trail Mt. Shasta, Sisson Southern Trail Comment
  CAS-BOT-BC272470  Eriogonum nudum var. pubiflorum Gordon H. True 1966-9-9 3294 Siskiyou Klamath River at conf. with Scott River, just east of Hamburg 426 Comment
  HSC40982  Eriogonum nudum var. pubiflorum J. O. Sawyer 1975-7-15 2696 Siskiyou 11 mi. W of Ft. Jones along SR 3 Comment
  RSA202123  Eriogonum pyrolifolium var. pyrolifolium C. F. Lagace 1966-8-24 s.n. Siskiyou Mount Shasta Ski Lodge. 2409 Comment
  UC163863  Eriogonum roseum Geo. D. Butler 1908-8-2 203 Siskiyou Quartz Valley Comment
  CAS-BOT-BC267712  Eriogonum roseum Elmer I. Applegate 1923-9-6 3942 Siskiyou Klamath River about 20 miles below the mouth of Shasta River Comment
  RSA601669  Eriogonum sphaerocephalum Louis C. Wheeler 1935-6-29 3625 Siskiyou Yreka. 808 Comment
  CHSC1331  Eriogonum sphaerocephalum var. halimioides J. Wakeman 1963-6-15 Siskiyou Yreka Hill. Comment
  HSC17425  Eriogonum strictum var. greenei Dorothy Parker 1949-6-30 326 Siskiyou Along Kidder Creek, Scott Valley 857 Comment
  HSC77292  Eriogonum ternatum L. P. Janeway 1983-8-7 515 Siskiyou Peak 5148 near end of USFS Rd. 17N32 19 mi. from Indian Creek Rd. 1555 Comment
  UC1483469  Eriogonum ternatum Maralyn A. Renner 1980-8-7 2431 Siskiyou ridge s Preston Peak; Klamath National Forest, Preston Peak Quad. 1950 Comment
  CAS-BOT-BC267953  Eriogonum umbellatum Isabelle C. Kimber 1934-6-9 25 Siskiyou Steelbridge Camp, Sacramento River just above confluence with Ney Creek 731 Comment
  HSC69234  Eriogonum umbellatum Maralyn A. Renner 1980-9-1 2712 Siskiyou S side of Devil's Punchbowl 1829 Comment
  CAS-BOT-BC267931  Eriogonum umbellatum G. P. Rixford No date on label s.n. Siskiyou South side of Shaft-rock [Shaft Rock] Mt., Hilt Comment
  CAS-BOT-BC267984  Eriogonum umbellatum var. argus Edward Lee 1934-8-14 1103 Siskiyou Little Grayback, Siskiyou-Del Norte County line 1868 Comment
  HSC17363  Eriogonum umbellatum var. argus Jerry Parker 1969-10-6 133 Siskiyou Ridge above High Lake 2134 Comment
  JEPS93921  Eriogonum umbellatum var. argus Vernon H. Oswald and Lowell Ahart 1998-8-3 9406 Siskiyou 11.5 mi w of Gazelle ((USFS 41N03) 0.2 mi e of its junction with Gazelle-Callahan Road); USFS 41N03 1524 Comment
  RSA215606  Eriogonum umbellatum var. argus Gilbert Muth 1969-8-6 11846 Siskiyou Boulder Peak. 2530 Comment
  SDSU7196  Eriogonum umbellatum var. argus D. F. Howe 1965-8-8 4123 Siskiyou South side of Little Grayback, Klamath National Forest. 1463 Comment
  UC1282017  Eriogonum umbellatum var. argus Louise Kellogg Aug 8 1953-Aug 9 1953 114 Siskiyou Scott Mountain Public Campground Scott Mountains, Klamath National Forest 1630 Comment
  CAS-BOT-BC267997  Eriogonum umbellatum var. argus Geo. D. Butler 1908-8-6 205 Siskiyou Trail beyond Whiskey Camp Comment
  RSA0066290  Eriogonum umbellatum var. argus William J. Ferlatte 1966-8-2 240 Siskiyou Trinity Alps: Big Flat; wooded area near public camp. 1524 Comment
  CAS-BOT-BC268148  Eriogonum umbellatum var. humistratum Peter H. Raven 1956-9-4 10374 Siskiyou Sacramento-Trinity Pass south of Mt. Eddy 2255 Comment
  HSC19518  Eriogonum umbellatum var. humistratum J. O. Sawyer 1969-7-25 1547 Siskiyou W of High Lake 2256 Comment
  HSC34660  Eriogonum umbellatum var. humistratum Thomas W. Nelson, J. O. Sawyer 1974-10-29 1744 Siskiyou Cirque of Little Duck Lake, rim of lake Comment
  HSC43433  Eriogonum umbellatum var. humistratum Jennifer Whipple 1976-7-9 1400 Siskiyou Dale Creek drainage on the N face of Mount Eddy 2226 Comment
  HSC43434  Eriogonum umbellatum var. humistratum Jennifer Whipple 1976-7-14 1468 Siskiyou SE slope of Mount Eddy draining into the N Fork of the Sacramento River 2195 Comment
  HSC43435  Eriogonum umbellatum var. humistratum Jennifer Whipple 1976-7-7 1328 Siskiyou Dale Creek drainage on the N face of Mt. Eddy 2378 Comment
  CAS-BOT-BC435531  Eriogonum umbellatum var. lautum James L. Reveal 2001-7-19 8348 Siskiyou Scott Valley, along South Kidder Creek Road, 0.5mi WSW of Ca. Hwy 3, about 6.1 air miles SW of Fort Jones and 5.7 air mi N of Etna 868 Comment
  HSC17369  Eriogonum umbellatum var. modocense D. M. Thomson 1965-6-19 87 Siskiyou Lava Beds National Monument, Captain Jacks Stronghold Comment
  UC163828  Eriogonum umbellatum var. modocense Geo. D. Butler 1910-6-19 1580 Siskiyou Goosenest Mountain 1524 Comment
  UC722839  Eriogonum umbellatum var. modocense C. L. Hitchcock, J. S. Martin 1939-7-9 5312 Siskiyou between King's Castle and Black Mt. (w side of ridge) 1828 Comment
  RSA420695  Eriogonum umbellatum var. modocense M. B. Dunkle 1945-08 9276 Siskiyou Paradise Lake, rocky ledge. Comment
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  RSA739868  Eriogonum umbellatum var. nevadense L. P. Janeway, B. Castro 2007-7-28 9128 Siskiyou High Cascade Range, Medicine Lake Highlands, just N of the N edge of Medicine Lake Glass Flow. 2109 Comment
  HSC66398  Eriogonum umbellatum var. polyanthum Maralyn A. Renner 1980-8-21 2603 Siskiyou SW of trail from Leroy Mine to Sunrise Basin near ridge 2287 Comment
  RSA50236  Eriogonum umbellatum var. polyanthum E. K. Balls 1949-7-9 13945 Siskiyou Salmon Mtns. top of pass on rd from Etna to Sawyer's Bar. 1479 Comment
  CAS-BOT-BC262382  Eriogonum vimineum L. R. Abrams 1927-9-11 12143 Siskiyou Fork of Shasta and Klamath Rivers Comment
  HSC69349  Eriophorum crinigerum Maralyn A. Renner 1980-8-21 2548 Siskiyou Kidd Creek 2043 Comment
  UC163891  Eriophyllum lanatum var. achilleoides Geo. D. Butler 1910-5-23 1399 Siskiyou Humbug Mountain 1066 Comment
  UC536683  Eriophyllum lanatum var. achilleoides D. H. Johnson and F. G. Palmer 1935-5-16 Siskiyou caves 11 mi ne Weed 1097 Comment
  CAS-BOT-BC301112  Eriophyllum lanatum var. achilleoides Elmer I. Applegate 1935-6-10 9474 Siskiyou Thomas massacre area, Lava Beds National Monument Comment
  POM252998  Eriophyllum lanatum var. achilleoides A. A. Heller 1938-7-12 15257 a Siskiyou Near the western base of Deer Mountain on US Hwy 97. Comment
  POM31386  Eriophyllum lanatum var. achilleoides Geo. D. Butler 1910-6-7 1532 Siskiyou McAdams Creek Comment
  RSA68880  Eriophyllum lanatum var. achilleoides A. E. Culbertson 1943-7-1 76 Siskiyou Castle Lake, in a north facing cirque with an abrupt 1000' backwall; 14 miles S.W. of Mt. Shasta on N. side of a 6600 eastern spur of Trinity Mts.; 2000' above Sacramento. within 10 air miles of its headwaters to the west. Comment
  JEPS34745  Eriophyllum lanatum var. integrifolium Geo. D. Butler 1908-8-3 344 Siskiyou Log Lake Shackelford Creek, Log Lake 1524 Comment
  CAS-BOT-BC301708  Eriophyllum lanatum var. lanceolatum Donald Myrick 1961-6-20 274 Siskiyou Near Mt. Shasta City Comment
  CAS-BOT-BC301716  Eriophyllum lanatum var. lanceolatum H. A. Thomas; J. H. Thomas 1954-7-21 4391 Siskiyou Salmon - Trinity Mts. About 6 miles SE of Cecilville. West side of Rush Creek 1036 Comment
  CAS-BOT-BC301719  Eriophyllum lanatum var. lanceolatum Doris K. Kildale 1928-7-2 5355 Siskiyou Salmon Summit via Horn Creek trail Comment
  HSC67902  Eriophyllum lanatum var. lanceolatum J. P. Smith 1973-5-5 6543 Siskiyou Scott Bar along the Scott River Comment
  SEINET11850779  Eriophyllum lanatum var. lanceolatum M. Ownbey, Meyer, F. G. 1940-1 2174 Siskiyou Siskiyou Mountains, NW of Hornbrook Comment
  UC375288  Eruca vesicaria subsp. sativa Geo. D. Butler 1908-7-14 1049 Siskiyou Yreka, field near Comment
  CAS-BOT-BC54586  Erysimum capitatum G. B. Rossbach 1938-6-24 11073 Siskiyou Mount Shasta. MacBride Spring. 1524 Comment
  UC166606  Erysimum capitatum Geo. D. Butler 1909-5-8 724 Siskiyou dry hill near Yreka Comment
  CAS-BOT-BC54584  Erysimum capitatum C. L. Hitchcock; J. S. Martin 1939-7-9 5313 Siskiyou Between King's Castle and Black Mountain, west side of ridge. 1828 Comment
  CAS-BOT-BC54587  Erysimum capitatum F. D. Douthitt 1919-5-17 12 Siskiyou Rattlesnake Ridge. 1066 Comment
  POM259755  Erysimum capitatum var. perenne J. T. Howell 1937-7-29 13636 Siskiyou Scott Mountain between Trinity and Siskiyou counties Comment
  RSA120812  Erysimum capitatum var. perenne Douglas Barbe 1955-7-6 116 Siskiyou Taylor Lake, Salmon Mtns. 1951 Comment
  HSC91032  Erysimum perenne Jennifer Whipple 1977-7-20 1999 Siskiyou Mt. Eddy, N slopes 2317 Comment
  CAS-BOT-BC133301  Erythronium hendersonii Doris K. Kildale 1929-4-27 7489 Siskiyou Cecilville Comment
  CAS-BOT-BC310449  Eucephalus engelmannii J. F. Emmel 1968-7-23 93 Siskiyou Caribou Lake, Trinity Alps 2072 Comment
  RSA96848  Eucephalus glabratus Percy C. Everett, E. K. Balls 1954-10-13 20291 Siskiyou Indian Creek Road to Obrien, 20.5 miles northwest from Hwy 96 at Happy Camp 1524 Comment
  HSC22133  Eucephalus ledophyllus var. ledophyllus J. O. Sawyer 1969-8-1 1682 Siskiyou SE facing slope above Duck Lake Creek 1951 Comment
  CAS-BOT-BC310479  Eucephalus tomentellus A. A. Heller 1915-8-26 12242 Siskiyou Slope north side of Mt. Eddy 1767 Comment
  CAS-BOT-BC310480  Eucephalus tomentellus Alice Eastwood 1912-8-30 1984 Siskiyou Mount Eddy Comment
  JEPS69764  Euphorbia crenulata W. B. and V. G. Cooke 1972-7-6 45461 Siskiyou Mud Creek Dam Road Mt. Shasta (Mt. Shasta) Comment
  UC17633  Euphorbia crenulata T. H. Gilbert Jun 15 1899-Jul 15 1899 Siskiyou Scott River Valley Comment
  UC455408  Euphorbia crenulata I. J. Condit 1911-7-3 Siskiyou Shasta Retreat Comment
  UC618851  Eurybia radulina W. Bridge Cooke 1938-8-19 11511 Siskiyou Howard Mount Shasta 1219 Comment
  CAS-BOT-BC413904  Fallopia convolvulus L. E. Smith 1915-7-1 s.n. Siskiyou Sisson Comment
  CAS-BOT-BC278205  Festuca altaica William Adams Dayton 1913-6-14 235 Siskiyou Shasta National Forest. E. Fk. of Scott River range 1706 Comment
  CDA28209  Festuca elmeri D. Osterhandt, D. H. Shaw 1978-5-18 Siskiyou Fork of Salmon, Reforestation plantation. 0 Comment
  RSA414219  Festuca idahoensis M. B. Dunkle 1945-7-22 s.n. Siskiyou Marble Mts., Klamath National Forest. Comment
  UCD66184  Festuca occidentalis Geo. D. Butler 1910-6-5 1481 Siskiyou Shackleford Creek. Comment
  CAS-BOT-BC279071  Festuca rubra A. A. Heller 1921-7-17 13580 Siskiyou Slope of Mt. Eddy west of Wagon Creek 2133 Comment
  CHSC93737  Festuca rubra Barbara L. Wilson; Richard Brainerd 2003-6-17 10913 Siskiyou On road 41N14 in the Klamath National Forest, on west side of road 0.9 miles north of Road 1C02 (from Callahan toward Cecilville). 1127 Comment
  SBBG2922  Fragaria virginiana H. and M. Dearing 1938-6-28 2183 Siskiyou side of Mt Shasta rd to Wagon Camp 1524 Comment
  CAS-BOT-BC53421  Frangula californica subsp. occidentalis Henry M. Pollard 1947-9-6 s.n. Siskiyou Dillons Mt. Forest Road 1524 Comment
  CAS-BOT-BC59982  Frangula purshiana C. Hart Merriam 1907-9-26 s.n. Siskiyou Shovel Creek, Klamath Hot Springs. Comment
  SEINET11249900  Frangula rubra H. M. Hall, E. B. Babcock 4172 Siskiyou Head of McCloud River 1524 Comment
  SDSU7105  Frasera albicaulis var. nitida D. F. Howe 1962-8-4 3389 Siskiyou Baldy Mountain. 1737 Comment
  RSA60644  Frasera albicaulis var. nitida Dorothy Parker 1948-7-11 103 Siskiyou Shovel Creek, near Beswick. 1012 Comment
  SEINET3150634  Frasera nitida G. D. Butler 1910-6-2 1451 Siskiyou Dry land near Yreka Comment
  POM211258  Fraxinus latifolia Louis C. Wheeler 1934-9-15 3262 Siskiyou Walker, Klamath River, Siskiyou Mts. (Mt. Diablo Mer.) 518 Comment
  UC61684  Fraxinus latifolia Geo. B. Grant Sep 1904 5181 Siskiyou Dunsmuir Mount Shasta 609 Comment
  CDA39339  Fritillaria affinis D. Osterhandt & D. H. Shaw 1978-4-11 s.n. Siskiyou Vicinity of Forks of Salmon. 0 Comment
  CAS-BOT-BC502841  Fritillaria atropurpurea Elmer I. Applegate 1895-5-29 714 Siskiyou West base of Mount Shasta, near Sisson Comment
  CAS-BOT-BC506209  Fritillaria pudica L. E. Smith 1913-4-1 s.n. Siskiyou Road between Montague and Yreka Comment
  JEPS55701  Fritillaria pudica D. Parker 1967-3-26 Siskiyou e. side of Scott Valley ca. halfway between Etna and Fort Jones; Scott Valley 914 Comment
  RSA367754  Fritillaria recurva A. Sandig 1917-05 s.n. Siskiyou Mt. Shasta region [possibly also Shasta Co.] Comment
  RSA565099  Fritillaria recurva D. W. Taylor 1993-5-26 13520 Siskiyou 1 mile NW Timbered Crater, ca. 400 m east of Forest Road 40N04 and right-of-way of PG&E natural gas pipeline, on border of narrow meadows along unnamed creek tributary to Adobe Flat 1120 Comment
  SEINET8480257  Fritillaria recurva G. D. Butler 1910-4-17 1191 Siskiyou Near Yreka. Comment
  RSA612594  Galium aparine Louis C. Wheeler 1935-6-13 3580 Siskiyou Shackleford Creek. Marble Mtns. 976 Comment
  JEPS26662  Galium bolanderi Lauramay T. Dempster 1961-7-1 1833 Siskiyou just s Oregon border (s slope of mt); White Mountain Comment
  UC722297  Galium bolanderi C. L. Hitchcock and J. S. Martin 1939-7-7 5298 Siskiyou ca 15 mi n Happy Camp (on Happy Camp-Takilma Hwy) 914 Comment
  UCR47924  Galium californicum D. L. Koutnik, Martha Townsend 1979-9-10 s.n. Siskiyou SW of Etna, near Etna Bridge 1067 Comment
  UCD121742  Galium californicum Daryl Koutnik; Martha Townsend 1979-9-10 s.n. Siskiyou Southwest of Etna, near Etna Bridge. 1066 Comment
  UCD63246  Galium glabrescens Daniel Sanchez-Mata; Tomas Santamaria 2006-7-26 s.n. Siskiyou Weed. Rail Creek Road from Gazelle-Callahan Road. Kangaroo Lake. Kangaroo Lake Botanical Area. Scott Mountains, Klamath National Forest. 1900 Comment
  RSA202646B  Galium glabrescens subsp. glabrescens F. Ehrendorfer, G. Ledyard Stebbins 1959-6-29 5915 Siskiyou W flank of Scott Mtn. 1921 Comment
  UC722483  Galium glabrescens subsp. glabrescens C. L. Hitchcock and J. S. Martin 1939-7-6 5228 Siskiyou peak above and n Divide of Siskiyou Mts. (on Takilma-Happy Camp road) 1828 Comment
  UCSB17111  Galium glabrescens subsp. glabrescens Hardham, Clare 1961-6-30 Siskiyou White Moutnain, Siskiyou Mountains Comment
  UC618722  Galium trifidum W. Bridge Cooke 1938-7-29 11414 Siskiyou in narrow stream between two meadows Mt. Shasta, Wagon Camp Comment
  CAS-BOT-BC182151  Garrya fremontii C. Hart Merriam 1907-9-26 s.n. Siskiyou Shovel Creek, Klamath Canyon near Klamath Hot Spgs. Comment
  HSC27761  Garrya fremontii J. P. Smith, J. O. Sawyer 1972-9-13 5792 Siskiyou 2 mi. W of Cook and Green Pass on the road to Lily Pad Lake Comment
  HSC31327  Garrya fremontii K. L. Chambers 1967-6-22 2848 Siskiyou About 500 ft. above and E of the freeway (Hwy. 5 ) at the Hilts exit, Siskiyou Pass 1098 Comment
  POM208314  Garrya fremontii Louis C. Wheeler 1934-6-22 2764 Siskiyou Cottonwood Creek, Siskiyou Mountains. 1067 Comment
  RSA503493  Garrya fremontii Frederick W. Oettinger 1968-8-18 581 Siskiyou At the northeast side of Hancock Lake, Salmon Mountains, Marble Mountain Wilderness Area. 1936 Comment
  SEINET3144595  Garrya fremontii G. D. Butler 1910-3-12 1125 Siskiyou Hill near Yreba 1067 Comment
  CAS-BOT-BC56289  Gaultheria ovatifolia W. R. Dudley 1899-7-6 s.n. Siskiyou Bartlett trail to Prestons Peak Comment
  SEINET10453068  Gayophytum diffusum Mary Susan Taylor 1980-8-19 Taylor 3267 A Siskiyou T43N R2E se sec 23, Medicine Lake quad. Shasta-Trinity Natl Forest, in pumice, on Paint Pot Crater. With J. Prouty & E. Heinz. 1920 Comment
  RSA113415  Gayophytum diffusum subsp. parviflorum W. Bridge Cooke 1956-7-19 30311 Siskiyou Below Wagon Camp, Mount Shasta 1677 Comment
  UC61504  Gayophytum heterozygum W. A. Setchell, C. C. Dobie 1902-7-15 Siskiyou Sisson Mount Shasta Comment
  UCD35430  Gentiana newberryi Beecher Crampton 1956-8-21 3819 Siskiyou South slope of Gumboot Lake, headwater of the south fork of the Sacramento River. 1920 Comment
  UC1408882  Gentiana plurisetosa Frederick W. Oettinger 1968-8-3 373 Siskiyou wet boreal meadow at Base Camp (midslope between Diamond Lake and Hancock Lake); Salmon Mountains,Marble Mountain Wilderness Area 2011 Comment
  UC165386  Geum macrophyllum Geo. D. Butler 1908-8-11 1592 Siskiyou Shackleford Creek Comment
  POM91452  Geum macrophyllum Geo. D. Butler 1910-6-19 1592 Siskiyou Goosenest Foothills. 1524 Comment
  SEINET3156722  Geum triflorum G. D. Butler 1910-6-19 1578 Siskiyou Goosenet foothills 1524 Comment
  POM75069  Gilia capitata Geo D. Butler 1910-5-8 1311 Siskiyou Near Yreka. Comment
  UC637163  Gilia capitata subsp. capitata Edward Lee 1934-8-14 1098 Siskiyou near summit Little Grayback (Siskiyou-Del Norte County line) 1859 Comment
  UCSB10071  Gilia capitata subsp. capitata Hardham, Clare 1965-8-1 Siskiyou Cudahy Lakes; Marble Mountains 1219 Comment
  HSC22139  Glyceria elata J. O. Sawyer 1968-7-10 494 Siskiyou 1768 Comment
  UCD66846  Glyceria elata P. B. Kennedy 1923-7-29 Siskiyou Sisson. Comment
  SEINET6836555 Image available Glyceria striata A. A. Heller 1916-7-20 12465 Siskiyou Metcalf's Ranch, NE base of Mount Eddy 1158 Comment
  HSC27620  Goodyera oblongifolia Carl W. Mize 1972-8-19 106 Siskiyou 732 Comment
  CDA6075  Grindelia camporum T. C. Fuller 1963-8-27 11157 Siskiyou In railroad yards, Grenada, Shasta Valley. 0 Comment
  CAS-BOT-BC123669  Grindelia nana var. nana Amos Arthur Heller 1917-9-7 12979 Siskiyou Shasta valley, ten miles S of Gazelle 914 Comment
  CDA3424  Gypsophila paniculata T. C. Fuller 1967-6-29 16038 Siskiyou West of Medo-Bel Dairy, College Avenue, southwest part of Weed. 0 Comment
  POM72797  Hackelia californica Edward Palmer 1892-7-13 2437 Siskiyou Mount Shasta and vicinity Comment
  UCD119376  Hackelia californica K. M. Meyer; A. Townesmith 2007-7-29 170 Siskiyou Shasta-Trinity National Forest. 0.3 mi. on 40N25 Rd., off Siskiyou County Rd., A10/Everitt Memorial Hwy. 1805 Comment
  CAS-BOT-BC419705  Hackelia californica J. K. Nelson 2010-9-4 2010 -030 Siskiyou South slope of Mt. Shasta 1325 Comment
  UC1540011  Hackelia cusickii M. H. Mitchell 1936-5-21 Siskiyou s of the road to Devil's Gate; Lava Beds National Monument 1310 Comment
  HSC22134  Hackelia micrantha J. O. Sawyer 1969-7-9 1200 Siskiyou Near C.C.C. road, N of Sugar Creek 1433 Comment
  HSC22135  Hackelia micrantha J. O. Sawyer 1969-6-13 949 Siskiyou Slope above Little Duck Lake 2134 Comment
  HSC25411  Hackelia micrantha J. P. Smith, J. O. Sawyer, Maralyn O'Meara 1972-7-3 5692 Siskiyou E slope of Kangaroo Mtn. above Toehead Lake. 1890 Comment
  HSC63982  Hackelia micrantha J. P. Smith, Steve Selva 1970-6-15 3967 Siskiyou 20 mi. E of Cecilville on the road to Callahan. 1646 Comment
  UC1408781  Hackelia micrantha Frederick W. Oettinger 1968-9-2 667 Siskiyou at base of cliffs sw of Upper English Lake (High Lake Basins in the Vicinity of English Peak); Salmon Mountains, Marble Mountain Wilderness Area 1874 Comment
  POM72143  Hackelia micrantha Geo. D. Butler 1909-7-15 941 Siskiyou Taylor Creek. 2134 Comment
  RSA77831  Hackelia micrantha E. E. Stanford 1930-8-14 2086 Siskiyou Below summit of Sonora Pass, in open ground in loose soil 2896 Comment
  UC637164  Hackelia setosa Edward Lee 1934-8-14 1121 Siskiyou w slope of Little Grayback 1706 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
  HSC44849  Hastingsia alba J. P. Smith, Steve Selva 1970-6-15 3988 Siskiyou 1 mi. W of junction of Hwy. 3 and Rd. 8 leading to Sugar Creek 1159 Comment
  HSC77107  Hastingsia alba K. T. Stillman 1976-6-25 100 Siskiyou Marble Mtn. Wilderness Area, between Marble Gap and Elk Valley Trail Comment
  UC1045295  Hastingsia alba W. Bridge Cooke 1940-7-5 15279 Siskiyou Wagon Camp Swamp , Wagon Camp Swamp (Mount Shasta) 1737 Comment
  UC1190143  Hastingsia alba Ira L. Wiggins 1955-7-27 13532 Siskiyou Caribou Lake Salmon-Trinity Alps Primitive Area, Caribou Lake 2042 Comment
  UC375208  Hastingsia alba Geo. D. Butler 1910-6-5 1518 Siskiyou Shackleford Creek Comment
  CAS-BOT-BC504611  Hastingsia alba W. R. Dudley 1903-8-3 s.n. Siskiyou By upper Sacramento River, near Sissons Comment
  SEINET8480288  Hastingsia alba G. D. Butler 1910-6-5 1482 Siskiyou Shackleford Creek. Comment
  HSC24701  Hastingsia serpentinicola J. O. Sawyer 1969-8-2 1699 Siskiyou E facing slope W of Little Duck Lake 2317 Comment
  CAS-BOT-BC302452  Hazardia whitneyi var. discoidea Julie Kierstead Nelson; Rhonda Posey; Ross Olson 2007-8-1 2007 -026 Siskiyou The Eddys, west of Mt. Shasta. East side of Toad lake, headwaters of Middle Fork of upper Sacramento River 2103 Comment
  JEPS84317  Hazardia whitneyi var. discoidea L. R. Heckard with S. D'Alcamo, J. Hickman, S. Winchester 1986-7-16 6327 Siskiyou ca 7 mi nne Seiad Valley (w of Cook and Green Pass, ca 0.5 air mi from Red Butte) 1850 Comment
  CAS-BOT-BC306352  Helenium L. E. Smith 1913-8-30 532 Siskiyou Mount Eddy Comment
  JEPS25664  Helenium bigelovii Rimo Bacigalupi with Mr. and Mrs. Van Deventer 1959-7-10 7307 Siskiyou just e Del Norte County line (4 airline mi nne of Preston Peak, watershed of Indian Creek); Siskiyou Mts., Twin Valley 1493 Comment
  JEPS80579  Helenium bigelovii Gilbert Muth 1965-8-2 145 Siskiyou Marble Valley Marble Mt. Wilderness Area, Marble Valley 1792 Comment
  UCD132732  Helenium bigelovii Bruce G. Baldwin 1987-8-3 681 Siskiyou Shasta-Trinity National Forest, west of Mt. Shasta, 3.1 miles west of junction with Toad Lake Road along road to Gumboot Lake (along South Fork of the Sacramento River). Comment
  SEINET11848993  Helianthella californica H. M. Hall, Babcock, E. B. 1903-1 4056 Siskiyou Mount Shasta, Sierra Nevada Mountains, near Sisson 1067 Comment
  UC29204  Helianthella californica subsp. shastensis Lauramay T. Dempster 1961-7-3 1869 Siskiyou w face of mountain se Callahan; Scott Mountain Comment
  UCD132813  Helianthus annuus R. Tofsrud; J. M. Tucker 1948-8-2 1759 Siskiyou around 2 miles south of McCloud. Comment
  CAS-BOT-BC305575  Helianthus bolanderi L. R. Abrams 1922-8-6 9910 Siskiyou Between Summit and Hornbrook Comment
  CAS-BOT-BC313444  Hemizonella minima B. Bartholomew; B. Anderson 1988-5-12 4082 Siskiyou 4 km E of Hambone Butte between Hambone Butte and teh N end of White Horse Mountains on Old Two Camp Road 1140 Comment
  CAS-BOT-BC313464  Hemizonella minima J. H. Thomas 1954-5-13 4128 Siskiyou Near South Fork of Salmon River, 5 to 9 miles southeast of Cecilville, Salmon Mountains, Klamath National Forest 1066 Comment
  UC722218  Hemizonella minima C. L. Hitchcock and J. S. Martin 1939-7-9 5325 Siskiyou 1/2 mi se King's Castle; Marble Mts. 1828 Comment
  UC1005597  Hesperochiron pumilus Frank W. Gould 1940-5-15 1237 Siskiyou Goosenest Mt. near Bull Meadows; Goosenest Mt. 1524 Comment
  JEPS116583  Hesperolinon micranthum Julie Kierstead Nelson with Rhonda Posey 2007-6-15 2007 -018 Siskiyou North side of Mt. Shasta, south Hwy 97, along Forest Service Rd. 42N84 Mt. Shasta (Hotlum Fire area burned Feb 2006 ca. 4 mi NE of town of Weed.) 1249 Comment
  UC1212238  Hesperolinon micranthum Herbert L. Mason 1950-7-1 14046 Siskiyou on road from Callahans to summit of mountain; Scott Mountain grade Comment
  UC1212409  Hesperolinon micranthum Leo Whitney 1934-6-20 1835 Siskiyou cutover land near Lower Sheep Well (25 mi ne of Tennant) 1524 Comment
  JEPS11802  Heterocodon rariflorum W. L. Jepson Jul 1894 Siskiyou Sisson Comment
  CAS-BOT-BC311087  Heterotheca oregona var. rudis Annie M. Alexander; Louise Kellogg 1948-9-4 5580 Siskiyou Siskiyou Mountains. Salmon River Comment
  JEPS81941  Heterotheca villosa var. minor Rimo Bacigalupi, and L. Heckard, J. Weiler 1961-7-2 7982 Siskiyou about 7 1/2 mi ne Weed (along US Hwy 97) 1127 Comment
  CAS-BOT-BC312301  Heterotheca villosa var. minor Gilbert Muth 1966-7-25 453 Siskiyou Marble Rim 2072 Comment
  UC530058  Heuchera merriamii Louis C. Wheeler 1934-8-9 3079 Siskiyou head of Jaynes Canyon; Siskiyou Mts 1920 Comment
  RSA0066186  Heuchera merriamii Frederick W. Oettinger 1968-8-4 386 Siskiyou Trail N of Crapo Peak ridge. Salmon Mtns. High Lake Basins in the vicinity of English Peak. Marble Mtn Wilderness Area. 2195 Comment
  HSC44501  Heuchera micrantha K. Irwin 1977-5-22 389 Siskiyou On South Fork Salmon River Rd., 4 mi. E of Cecilville Comment
  HSC64867  Heuchera micrantha J. P. Smith 1976-5-5 8695 Siskiyou Road between Forks of Salmon and Somes Bar 366 Comment
  CAS-BOT-BC420936  Heuchera micrantha var. diversifolia Marion Ownbey; Fred G. Meyer 1940-7-4 2175 Siskiyou Dry, north slope, Siskiyou Mts., northwest of Hornbrook Comment
  CAS-BOT-BC420939  Heuchera micrantha var. diversifolia G. P. Rixford No date on label s.n. Siskiyou Hilt Comment
  UC165927  Heuchera micrantha var. macropetala Geo. D. Butler 1908-7-4 216 Siskiyou near mouth Shasta River Comment
  HSC30651  Heuchera rubescens Frederick W. Oettinger 1969-9-4 1664 Siskiyou Marble Mtn. Wilderness Area, S side of Tobacco Lake Basin 1829 Comment
  CAS-BOT-BC319678  Hieracium albiflorum Geo. D. Butler 1910-6-5 1483 Siskiyou Shackleford Creek Comment
  UC1483492  Hieracium albiflorum J. Sawyer and J. Cole 1980-7-22 3927 Siskiyou nw slopes Cedar Mtn.; Klamath National Forest, Bray Quad., Cedar Mtn. 1524 Comment
  CAS-BOT-BC318541  Hieracium greenei Doris K. Kildale 1929-8-24 9077 Siskiyou Rattlesnake Meadow, Preston Peak 1676 Comment
  UC165421  Hieracium greenei Geo. D. Butler 1908-7-20 328 Siskiyou Humbug Creek Comment
  UC897886  Hieracium nudicaule Alice Eastwood 1912-7-15 1083 Siskiyou McCloud Comment
  UC165399  Hieracium parryi Geo. D. Butler 1910-6-3 1470 Siskiyou Quartz Valley Comment
  UC688880 Image available Hierochloe odorata Gus Hormay 1944-7-19 Siskiyou Kuck's Cabin, Ball Mountain, west of Mt. Hebron Comment
  JEPS83829  Holodiscus discolor Wayne Roderick July 1978 Siskiyou Siskiyou mts.; vicinity Cook and Green Pass Comment
  RSA181618  Holodiscus discolor Dorothy Parker 1950-8-6 489 Siskiyou Dry granite rocks, Salmon Mt. 1799 Comment
  CAS-BOT-BC150131  Holodiscus microphyllus var. glabrescens A. A. Heller 1914-8-28 11730 Siskiyou East side of Mt. Eddy 2499 Comment
  POM141569  Holodiscus microphyllus var. glabrescens E. B. Copeland 1903-10-11 6443 Siskiyou Mt. Eddy Comment
Read comments
Jan 23 2011
  RSA216102  Hordeum depressum Javier Penalosa 1967-3-26 2992 Siskiyou Vernal Pools Natural Area in Valley Grassland 4.5 miles ENE of Pixley 84 Comment
  UC1100318  Hordeum jubatum Verne Grant and Irving Schneider 1947-8-26 8302 Siskiyou lower Klamath Lake; lower Klamath Lake Comment
  HSC92566  Hordeum marinum subsp. gussoneanum M. A. Baker 1977-5-22 320 Siskiyou N facing slope of hill just S of Whipple Ranch 976 Comment
  SACT001296  Hordeum nodosum Geo Butler 1910-6-5 Siskiyou Comment
  CAS-BOT-BC143948  Horkelia daucifolia Lewis S. Rose 1945-6-18 45067 Siskiyou Horse Creek & Klamath River 502 Comment
  JEPS44170  Horkelia daucifolia Geo. D. Butler 1909-5-8 713 Siskiyou Shasta Valley Comment
  CAS-BOT-BC143968  Horkelia daucifolia John Thomas Howell 1980-4-30 53448 Siskiyou Yreka 792 Comment
  POM88098  Horkelia daucifolia Geo. D. Butler 1910-5-4 1272 Siskiyou Dry hill, Yreka. Comment
  SEINET8224842  Horkelia daucifolia A. Heller 1927-5-14 14384 Siskiyou Shasta Valley, near Gazelle. Comment
  JEPS80666  Horkelia fusca subsp. parviflora W. B. & V. G. Cooke 1970-7-22 42689 Siskiyou 0.5 mi above US-97 (Andesite Road); Mt. Shasta Comment
  UC165743  Horkelia fusca subsp. parviflora Geo. D. Butler 1910-9-11 1868 Siskiyou Weed Comment
  CAS-BOT-BC536226  Horkelia fusca var. parviflora John Thomas Howell 1937-7-21 13168 Siskiyou South Fork of Salmon River near Big Flat 1524 Comment
  SD231130  Horkelia hendersonii James R. Shevock, B. Williams. 1987-8-17 11803 Siskiyou Klamath Ranges. Below Dry Lake Mountain Lookout site along forest road 40S01. 2012 Comment
  UC185648  Horkelia tridentata subsp. tridentata Dr. E. B. Copeland 1903-9-5 3865 Siskiyou Igerna Comment
  UC481099  Horkelia tridentata subsp. tridentata W. A. Setchell, C. C. Dobie 1902-7-13 Siskiyou Sisson Mount Shasta Comment
  UC545659  Horkelia tridentata subsp. tridentata Alice Eastwood and John Thomas Howell 1934-4-20 Siskiyou Weed Comment
  CAS-BOT-BC539428  Horkelia tridentata var. tridentata W. B. Cooke; V. G. Cooke 1972-6-7 45457 Siskiyou Along Mud Creek Dam Road, Mt. Shasta Comment
  CHSC91363  Hornungia procumbens Lowell Ahart; John Dittes 2005-6-10 12057 Siskiyou Near 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
  HSC71347  Hosackia crassifolia J. P. Smith 1976-5-21 8773 Siskiyou Klamath National Forest, FS Rd. 40N08, 12.3 mi. from its junction with Hwy. 3 1220 Comment
  CHSC102560  Hulsea nana L. P. Janeway 2009-8-3 9888 Siskiyou High Cascade Range. Mt. Shasta, east-northeast slope 2.4 air km southwest of Brewer Creek Trailhead; about 20 m south of Brewer Creek. 2637 Comment
  UC90396  Hulsea nana J. D. Hooker and A. Gray 1877-1 Siskiyou Shasta Comment
  CAS-BOT-BC312573  Hulsea nana Elmer I. Applegate 1935-6-11 9515 Siskiyou Cinder crater of Cinder Cone near west boundary of Lava Beds National Monument Comment
  HSC36952  Hydrophyllum capitatum var. alpinum J. P. Smith 1974-5-26 7589 Siskiyou Along FS Rd. 47N03, 1/4 mi. NE of Chandler Glade 1768 Comment
  CAS-BOT-BC95002  Hydrophyllum occidentale R. C. Wenk 2005-7-19 343 Siskiyou Along Pacific Crest Trail, between Deadfall Lakes and pass below Mt. Eddy 2407 Comment
  SBBG4755  Hypericum anagalloides H. and M. Dearing 1939-7-1 3768 Siskiyou Etna Crk, W of Etna 1219 Comment
  HSC99601  Hypericum anagalloides William J. Ferlatte 1966-6-23 142 Siskiyou Big Flat, between campground and S Fork of the Salmon River 1524 Comment
  POM86613  Hypericum androsaemum Geo. D. Butler 1910-7-12 1765 Siskiyou Shackleford Creek. 1220 Comment
  POM86619  Hypericum formosum var. scouleri Geo. D. Butler 1910-7-3 1627 Siskiyou Creek bank (illegible) foothills. 1220 Comment
  HSC29262  Hypericum perforatum Frederick W. Oettinger 1969-8-24 1525 Siskiyou Marble Mtn. Wilderness Area, between English Lake and Sundew Bog 1799 Comment
  JEPS105408 Image available Iliamna bakeri Dean W. Taylor 1996-7-25 15834 Siskiyou Scott Mtns., on watershed divide between Crater Creek drainage and Mountain House Creek drainage (about 15 air miles west of Weed); Klamath National Forest. 1645 Comment
  JEPS810  Ipomopsis aggregata Geo. D. Butler 1908-8-3 134 Siskiyou Shackleford Creek near Log Lake 1524 Comment
  HSC98031  Ipomopsis aggregata subsp. formosissima Thomas W. Nelson, Sydney Carothers 2005-7-17 9389 Siskiyou Along the W side of Hwy. 3 at the junction of F. S. Rd. 40N43. 1220 Comment
  UC609317  Ipomopsis congesta Eleanor Burks Hart 1938-8-18 903 Siskiyou Boulder Peak 2529 Comment
  CAS-BOT-BC133533  Iris bracteata C. L. Hitchcock; J. S. Martin 1939-7-7 5270 Siskiyou Sanger Peak Trail, ca. 13 miles south of Takilma, Oregon 1066 Comment
  CDA39606  Iris chrysophylla D. H. Shaw 1977-5-16 s.n. Siskiyou Scott River Road, south of Scott Bar. 0 Comment
  RSA240091  Iris tenuissima Frederick W. Oettinger 1969-8-12 1332 Siskiyou Near Yellow Dog Creek. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 915 Comment
  JEPS47363  Isatis tinctoria L. R. Heckard 1966-6-20 1528 Siskiyou Mount Shasta (town), near Chandon's motel Mount Shasta 1097 Comment
  POM266322  Isatis tinctoria Marion Ownbey, Fred G. Meyer 1940-7-7 2208 Siskiyou Soap Ridge Road, SW of Yreka. Comment
  UC371166  Isoetes bolanderi G. D. Butler 1908-8-3 256 Siskiyou Log lake Comment
  RSA608670  Isoetes occidentalis L. C. Wheeler 1963-9-11 8385 Siskiyou Siskiyou Mountains: Dillon Creek, 3/4 mile NE of Sawtooth Mountain. 1616 Comment
  SEINET8198344  Isoetes occidentalis D. W. Taylor 2002-7-27 18282 Siskiyou Scott Mountains, small pond in Grouse Creek drainage, Scott River Watershed, Scott Mountains 1509 Comment
  UC118418  Isopyrum stipitatum Thos. Howell April 1888 18 Siskiyou Hornbrook Comment
  POM56240  Iva axillaris subsp. robustior Geo D. Butler 1910-9-12 1874 Siskiyou Near Lower Klamath Lake. 1220 Comment
  HSC85677  Ivesia pickeringii J. P. Smith 1980-8-24 10348 Siskiyou Klamath National Forest; SR 3, 2.4 mi. from Scott Mtn. summit 1341 Comment
  HSC61923  Juncus acuminatus Ruby Van Deventer 1959-1-9 Siskiyou Poker Flat 1585 Comment
  UC1573177  Juncus covillei Dean Wm. Taylor with Glenn Clifton 1987-8-5 9223 Siskiyou Tate Creek, at crossing of Forest Road 36N06, McCloud River watershed McCloud River 1484 Comment
  RSA608368  Juncus ensifolius L. C. Wheeler 1934-6-26 2790 Siskiyou Siskiyou Mountains, Cottonwood Creek. 838 Comment
  UC1748283  Juncus ensifolius Rhonda Posey 2000-8-17 Siskiyou about 3.5 mi NE of McCloud District Ranger Station, McCloud ( at Mud Creek Meadows, along Road 42N13 (Pilgrim Creek Road)) 1097 Comment
  RSA577907  Juncus mertensianus L. C. Wheeler 1935-7-26 3711 Siskiyou Siskiyou mountains: Jaynes Canyon 1951 Comment
  JEPS66999  Juncus nevadensis Geo. D. Butler 1910-6-20 1594 Siskiyou Yreka Comment
  HSC30628  Juncus xiphioides Frederick W. Oettinger 1969-8-12 1335 Siskiyou Marble Mtns. Wilderness Area, near the Cedars on Salmon River (N Fork) 915 Comment
  CAS-BOT-BC419727  Juniperus communis Julie Kierstead Nelson; Martin Lenz; Rhonda Posey 2014-8-13 2014 -078 Siskiyou Lower Parks Creek Lake margin, east side. 1 mile NE of China Mountain, eastern Klamath Ranges. 2200 Comment
  CAS-BOT-BC81138  Juniperus communis W. B. C. 1938-9-8 11644 Siskiyou North side of Red Butte 2468 Comment
  UC618869  Juniperus communis unknown 1938-8-22 11599 Siskiyou s slope of Diller Canyon Mt. Shasta, Diller Canyon, Shastina (at the timberline and in the Pinus albicaulis forest on the n slopes of Shastina and Shasta) 2743 Comment
  POM21816  Juniperus communis var. montana E. B. Copeland 1903-10-6 3782 Siskiyou Mt. Eddy 2287 Comment
  HSC101732  Juniperus occidentalis Michael Kauffmann, Richard Moore 2013-5-27 14 Siskiyou Northwest of Sugar Lake, south-facing cirque in granite 2003 Comment
  UC139956  Juniperus occidentalis Copeland 1909-7-4 3545 Siskiyou Klamath<a?> Pacific Coast Comment
  SEINET11056641  Juniperus occidentalis var. occidentalis D. Charlet, T. Charlet 1996-11-25 2339 Siskiyou Scott Mountains, on road to Gazelle, 4 road miles from I-5. 896 Comment
  SEINET7852090  Kalmia microphylla Unknown 1974-1 48 Siskiyou Little Duck Lake, Siskiyou Co., T40N, R9W, Sec. 19. Meadow at West end of Little Duck Lake. Enriched Mixed Conifer Forest. Comment
  CHSC602  Kalmia polifolia subsp. microphylla V. Holt 1932-7-10 Siskiyou Mt. Shasta 2133 Comment
  CDA33311  Kalmia polifolia subsp. polifolia Gordon Leppig, T. LaBanca and L. Arguello 1997-6-27 497 Siskiyou Northern California Peatlands; Klamath National Forest; Russian Wilderness, Little Duck Lake Fen; cirque west of Little Duck Lake. Comment
  CAS-BOT-BC235863  Keckiella corymbosa Ira L. Wiggins 1955-7-31 13593 Siskiyou Along S Fork of Salmon River betw. Cecilville and Forks of Salmon Comment
  CAS-BOT-BC246182  Keckiella lemmonii Marian L. Campbell 1921-7-26 s.n. Siskiyou Castle Crags Comment
  NY790342  Keckiella lemmonii D. C. Michener 1980-8-2 3765 Siskiyou Klamath Mountains. Along CA 96 along the Klamath River between Swillup and Coon Creeks, ca. 17 miles south of Happy Camp. 304.8 Comment
  RSA238771  Keckiella lemmonii Frederick W. Oettinger, Robert F. Thorne 1969-8-5 1211 Siskiyou Hot area on English Lake Trail above Willow Spring. The Salmon Mountains. The High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1707 Comment
  UC1045255  Keckiella lemmonii unknown 1940-8-8 15424 Siskiyou lower canyon, above the big spring Squaw Valley Creek; Mount Shasta Comment
  UC160458  Keckiella lemmonii I. J. Condit 1911-7-13 Siskiyou Dunsmuir Comment
  JEPS12477  Kelloggia galioides W. L. Jepson 1907-7-10 2875 Siskiyou near Putnam Peak (w Siskiyou County); Klamath Range Comment
  HSC41075  Kyhosia bolanderi J. O. Sawyer 1969-9-11 2017 Siskiyou Behind Sugar Lake 2073 Comment
  CAS-BOT-BC340401  Lactuca Carl B. Wolf 1927-8-27 1119 Siskiyou On the Klamath River, Happy Camp Comment
  CDA8088  Lagophylla ramosissima T. C. Fuller 1965-6-1 13589 Siskiyou West side of Highway 99 to Grenada, 4 miles south of Yreka. 0 Comment
  RSA406668  Lathyrus Louis C. Wheeler 1934-6-8 2662 Siskiyou Beaver Creek. 1220 Comment
  CAS-BOT-BC204989  Lathyrus jepsonii var. californicus A. A. Heller 1928-6-9 14500 Siskiyou Along the Sacramento River near Shasta Retreat Comment
  SBBG3356  Lathyrus nevadensis H. and M. Dearing 1938-6-29 2194 Siskiyou Mt Shasta Wagon Camp 1828 Comment
  RSA211220  Ledum glandulosum William J. Ferlatte 1967-7-26 759 Siskiyou Caribou Basin 1982 Comment
  POM215738  Leersia oryzoides L. C. Wheeler 1934-9-16 3270 Siskiyou Walker, Klamath River 518 Comment
  UC61172  Lemna turionifera W. A. Setchell, C. C. Dobie 1902-7-15 Siskiyou Mount Shasta, Sisson Sisson; Mount Shasta, Sisson Comment
  UC909334  Lepidium campestre Ira L. Wiggins 1950-5-27 12355 Siskiyou E. Fork Scott R. at Callahan Ranger Station (Callahan); E. Fork Scott R., , Callahan Ranger Station 975 Comment
  CDA3796  Lepidium latifolium J. R. Grisham 1967-9-25 Siskiyou Indian Tom Lake, Dorris. 0 Comment
  CHSC72230  Lepidium latifolium Vernon H. Oswald; Lowell Ahart 1998-9-16 9646 Siskiyou Vista Point on Hwy. 161v adjacent to a marsh at the Lower Klamath NWR 8.7 mi east of Hwy. 97. Roadsides and marsh edges. 1243 Comment
  HSC47621  Lepidium perfoliatum J. P. Smith 1977-5-15 9068 Siskiyou Yreka Comment
  POM94079  Lepidium ramosissimum var. bourgeauanum Geo. D. Butler 1910-6-27 1612 Siskiyou Yreka Creek. Comment
  CAS-BOT-BC12996  Lepidium virginicum Lewis S. Rose 1945-6-18 45099 Siskiyou Horse Creek and Klamath River. 502 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
  CAS-BOT-BC60147  Lepidium virginicum var. menziesii Carl B. Wolf 1927-8-27 1147 Siskiyou On the Klamath River 10 miles above the Salmon River. Comment
  CAS-BOT-BC60144  Lepidium virginicum var. menziesii R. E. Frenkel 1964-10-2 877 Siskiyou On Everitt Memorial Highway near McBride Springs, near Mount Shasta. 1493 Comment
  CAS-BOT-BC60146  Lepidium virginicum var. menziesii Carl B. Wolf 1927-8-26 1095 Siskiyou On the Klamath River, 14 miles above Happy Camp. Comment
  HSC8217  Lessingia nemaclada J. P. Smith, J. O. Sawyer 1972-9-14 5801 Siskiyou Miner's Creek Rd. just S of French Creek Rd. between Callahan and Etna. 915 Comment
  POM256458  Lessingia nemaclada Edward Lee 1934-8-11 1041 Siskiyou East of the mouth of Walker Creek, a tributary of the Klamath River (east end of Seiad Valley) 442 Comment
  UC1212154  Lessingia nemaclada Francia Chisaki and Helen K. Sharsmith 1959-8-20 4738 Siskiyou ca 4 mi w Callahan (on Wildcat Creek road); Inner North Coast Ranges 1066 Comment
  HSC755  Leucothoe davisiae William J. Ferlatte 1967-7-26 739 Siskiyou Caribou Basin 1982 Comment
  HSC18960  Lewisia cotyledon J. O. Sawyer 1969-7-1 979 Siskiyou Above Paynes Lake Creek 1951 Comment
  POM117377  Lewisia cotyledon Geo. D. Butler 1910-6-5 1527 Siskiyou Log Lake Comment
  RSA183694  Lewisia cotyledon Gilbert Muth 1965-8-5 306 Siskiyou Steep alpine slope, N slope of Marble Rim, near Black Mtn Comment
  RSA183431  Lewisia cotyledon var. cotyledon J. M. Tucker 1963-7-7 3713 Siskiyou In vicinity of Paradise Lake, at base of Kings Castle on the east side, Marble Mountain Wilderness Area. 1982 Comment
  UC1190111  Lewisia cotyledon var. cotyledon Ira L. Wiggins 1955-7-27 13538 Siskiyou Caribou Lake Salmon-Trinity Alps Primitive Area, Caribou Lake 2042 Comment
  UC922366  Lewisia cotyledon var. cotyledon Annie M. Alexander and Louise Kellogg 1949-7-20 5816 Siskiyou Paradise Lake Marble Mountains, Paradise Lake 1920 Comment
  CAS-BOT-BC444055  Lewisia cotyledon var. cotyledon Doris K. Kildale 1928-8-19 6538 Siskiyou Top of divide between English & Hancock Lake on trail to Marble Mt. 2194 Comment
  HSC82171  Lewisia cotyledon var. cotyledon T. Jimerson 1985-7-13 Siskiyou Around Devil's Punchbowl 1677 Comment
  UCD101615  Lewisia leeana M. S. Taylor 1980-7-8 3093 Siskiyou S side of Little Castle Lake. 1767 Comment
  UC1045300  Lewisia pygmaea W. B. Cooke 1940-8-22 15484 Siskiyou Squaw Valley Creek meadows Mount Shasta, Squaw Valley Creek Comment
  UC52210  Lewisia rediviva W. T. Mooney 1908-5-28 Siskiyou Yreka Comment
  JEPS121617  Ligusticum grayi Kendra Sikes 2011-9-13 Siskiyou Sundew Fen, Caldwell Lakes Basin, headwaters of Park Creek, east slope of China Mountain. Sloping wet meadow, over gabbro, SE aspsect. China Mountain quadrangle. CLS_1D Comment
  UC1619909  Ligusticum grayi Barbara Ertter 1990-7-14 9342 Siskiyou ca. 4 airmiles w. Mt. Shasta City (Wagon Creek on e. side of Mt. Eddy, where several forks join before steep drop); Mt. Eddy, Wagon Creek 1828 Comment
  HSC61925  Lilium bolanderi Al Hobart 1959-6-26 Siskiyou Poker Flat 1585 Comment
  CAS-BOT-BC508257  Lilium columbianum A. A. Heller 1915-7-18 12108 Siskiyou Metcalf's ranch,northeast base of Mt. Eddy 1188 Comment
  RSA78677  Lilium pardalinum Philip A. Munz 1952-7-2 17870 Siskiyou Road to Baldy Mountain, northwest of Happy Camp, Siskiyou Mountains 1220 Comment
  SEINET8260300  Lilium pardalinum Richard Olmstead 1983-7-13 478 Siskiyou along small stream crossed by road to Cave Jct. ca. 14 mil. N. of Happy Camp (2 mi. N of West Branch Campground). 1000 Comment
  HSC77935  Lilium pardalinum subsp. wigginsii D. K. Imper 1982-7-22 1502 Siskiyou Near Flint Valley 1402 Comment
  CHSC4536  Lilium washingtonianum subsp. washingtonianum J. E. Bowlin 1967-7-18 62 Siskiyou Ca. 4.2 mi w of Mount Shasta Ski Bowl, and 1-10 yds. Off the road. 1950 Comment
  UC164132  Linanthus bolanderi Geo. D. Butler 1910-4-14 1172 Siskiyou Yreka Comment
  UC163851  Linanthus harknessii Geo. D. Butler 1910-7-7 1657 Siskiyou Shackleford Creek 1219 Comment
  CDA6298  Linaria genistifolia subsp. dalmatica T. C. Fuller 1962-6-11 8955 Siskiyou East side of Hwy 99 to Black Butte Summit, 4.1 miles south of Weed. 0 Comment
  CAS-BOT-BC416403  Linnaea borealis subsp. longiflora A. A. Heller 1919-6-20 13259 Siskiyou Metcalf's ranch, northeast base of Mt. Eddy 1158 Comment
  RSA0087563  Linnaea borealis subsp. longiflora Robert F. Thorne 1969-8-2 63329 Siskiyou Klamath National Forest, Salmon Mountains, Marble Mountain Wilderness Area, vicinity of English Peak. Trail to upper English Lake, opposite jct. with Grant Creek. Comment
  SBBG69501  Linnaea borealis var. longiflora J. G. Lemmon 1879-7-4 Siskiyou near Shasta Comment
  UC1333333  Linnaea borealis var. longiflora Dorothy Parker 1949-8-12 363 Siskiyou along banks Duck Lake Creek (Salmon Mountain); Siskiyou Mountains, , Duck Lake Creek banks 1524 Comment
  HSC61141  Linum lewisii Al Hobart 1967-8-8 Siskiyou El Capitan Comment
  HSC15812  Linum lewisii R. C. Wunner 1965-6-10 149 Siskiyou Lava Beds National Monument, Caldwell Butte, below Caldwell Minor on E side. 1433 Comment
  UC62214  Lithocarpus densiflorus W. J. V. Osterhout 1903-1 Siskiyou Shasta Springs 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
  JEPS19296  Lithophragma campanulatum Herbert L. Mason 1947-5-17 14757 Siskiyou along the Scott Mountain Road about 5 mi s Callahan 1463 Comment
  RSA238326  Lithophragma campanulatum Frederick W. Oettinger 1969-7-9 942 Siskiyou NW of Upper English Lake. Salmon Mtns. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1829 Comment
  HSC64822  Lithophragma heterophyllum J. P. Smith 1973-5-5 6417 Siskiyou Along Cook and Green Pass Rd. Comment
  CAS-BOT-BC317337  Lithospermum californicum Antone J. Soares 1922-6-1 8553 Siskiyou Shasta Springs Comment
  CDA40610  Lithospermum ruderale T. C. Fuller 1977-6-14 20215 Siskiyou West side of Highway 97, 3 km south of Deer Mountain Lodge. 0 Comment
  UC196934  Lolium multiflorum Geo. D. Butler 1908-6-25 482 Siskiyou along creek near Yreka Comment
  UC196935  Lolium multiflorum Geo. D. Butler 1909-9-5 864 Siskiyou along creek near Yreka 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-BC211157  Lomatium howellii Doris K. Kildale 1929-7-20 8624 Siskiyou South Fork Indian Creek to Elk Lick 1219 Comment
  CHSC33398  Lomatium macrocarpum J. P. Smith 1974-5-26 7387 Siskiyou Along F.S. road 47N03. 1524 Comment
  JEPS120265  Lomatium macrocarpum Julie Kierstead Nelson with Rhonda Posey, Peter Zika, Talitha Derksen 2012-6-21 2012 -055 Siskiyou South Fork WIllow Creek, foothills of N side Scott Mountain. Td. 42N19 Sec. 30.; ca. 1 mile S of Gazelle-Callahan Hwy 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
  HSC36167  Lomatium triternatum var. macrocarpum J. P. Smith 1974-5-27 7618 Siskiyou Along FS Rd. 47N03 1280 Comment
  HSC96411  Lonicera conjugialis Gordon Leppig, J. Kalt 1996-7-9 360 Siskiyou Klamath National Forest, Russian Wilderness, cirque W of Little Duck Lake 2200 Comment
  HSC65101  Lonicera hispidula var. vacillans J. P. Smith, Steve Selva 1970-6-14 3868 Siskiyou Comment
  HSC27682  Lonicera hispidula var. vacillans Carl W. Mize 1972-6-10 45 Siskiyou N Slope. 762 Comment
  CAS-BOT-BC240846  Lonicera interrupta C. H. M. 1907-9-26 s.n. Siskiyou Shovel Creek, Klamath Canyon Comment
  CAS-BOT-BC240849  Lonicera interrupta Lewis S. Rose 1945-6-18 45128 Siskiyou Horse Creek & Klamath River 502 Comment
  CHSC51217  Lonicera interrupta L. P. Janeway 1984-6-21 857 Siskiyou South side of Klamath River just E of Humbug Point; Garvey Bar. 594 Comment
  JEPS107490  Lotus humistratus Lowell Ahart, John Dittes 2005-6-10 12115 Siskiyou Rocky hillside, north of the rock fence, about 100 yards southeast of the pump house along the Shasta River, about 1.9 miles (air) south of Highway 99/97 Cutoff, about 6 miles (air) east-southeast of Grenada 776 Comment
  JEPS107673  Lotus humistratus Lowell Ahart, John Dittes 2005-6-9 12014 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
  JEPS55546  Lotus nevadensis var. nevadensis Geo. D. Butler 1908-6-28 392 Siskiyou Yreka Comment
  UC144518  Lotus nevadensis var. nevadensis A. A. Heller 1905-6-8 8000 Siskiyou Yreka Comment
  JEPS95289  Lotus pinnatus Vernon H. Oswald and L. Ahart 1994-7-11 6401 Siskiyou T39N R6W NE1/4 NW1/4 Sec. 25, 5850 ft, Yellow Pine Forest. Gumboot Creek on the upstream side of Forest Rd. 26 (to Mt. Shasta), ca. 0.5 mi NE of Gumboot Lake, W of Dunsmuir 1783 Comment
  UC1408891  Lotus pinnatus F. W. Oettinger 1969-8-12 1342 Siskiyou Abbotts Lower Cabin Salmon Mountains 1188 Comment
  UC204724  Lotus purshianus var. purshianus A. A. Heller 1914-8-25 11701 Siskiyou near Deetz Station 1158 Comment
  RSA281671  Lotus unifoliolatus S. O. Mattoon 1979-7-10 68 Siskiyou California-Oregon line at Elliott Cr., N. of Rush, Oregon, Siskiyou Mts. Comment
  CAS-BOT-BC140204  Luetkea pectinata John Thomas Howell 1939-8-2 14872 Siskiyou Spirit Lake, Marble Mts. Comment
  HSC4896  Luetkea pectinata J. O. Sawyer 1968-7-9 426 Siskiyou W of Little Duck Lake. 1936 Comment
  POM257741  Luetkea pectinata C. Leo Hitchcock 1939-7-9 5328 Siskiyou 1/2 mile SE of King's Castle, Marble Mts. 1829 Comment
  UC860313  Luetkea pectinata Louis C. Wheeler 1934-8-9 3089 Siskiyou Head of Jaynes Canyon; Siskiyou Mts. 1981 Comment
  RSA0084100  Luina hypoleuca R. W. Spjut, Paul Burchstead 2008-6-12 16345 Siskiyou Klamath Region. Klamath National Forest: along North Fork of the Salmon River, between Somes Bar and Forks of the Salmon 491 Comment
  HSC89805  Lupinus albicaulis D. K. Imper 1987-7-21 Siskiyou 8 mi. E of Somes Bar, vicinity of Haypress Meadows 1372 Comment
  LA205035  Lupinus albicaulis Louis Wheeler; 1934-6-11 2689 Siskiyou Siskiyou Mountains, N Hungry Creek 1219 Comment
  LA205033  Lupinus albicaulis Wm. Bridge Cooke; 1940-7-12 15329 Siskiyou Memorial Highway near the Mt. Shasta High School 1097 Comment
  UC618891  Lupinus albicaulis var. shastensis W. Bridge Cooke 1938-7-29 11386 Siskiyou Howard Mount Shasta, Howard (Mt. Shasta) Comment
  RSA105764  Lupinus albicaulis var. shastensis W. Bridge Cooke 1940-07 15329 Siskiyou Near the Mount Shasta High School along Alma Street in Mount Shasta near the city limits on the way to the Memorial Highway. Comment
  RSA126055  Lupinus albicaulis var. shastensis I. L. Wiggins 1955-7-21 13437 Siskiyou Rush Creek Trail 2 mi. above Mt. View Ranch. 1098 Comment
  OBI59147  Lupinus albifrons Rhonda Riggins 1993-6-16 1685 Siskiyou Greenhorn Park off Greenhorn rd in Yreka Comment
  UC640283  Lupinus albifrons H. and M. Dearing 1939-7-3 3812 Siskiyou Etna Comment
  HSC42148  Lupinus albifrons S. Saufferer 1973-5-6 153 Siskiyou Just S of Dunsmuir on gravelly flats along Railroad Creek Comment
  CAS-BOT-BC195961  Lupinus albifrons var. albifrons Mrs. H. C. Cantelow 1936-5-20 s.n. Siskiyou Fort Jones Comment
  CAS-BOT-BC195971  Lupinus albifrons var. albifrons Charles Piper Smith 1949-4-22 49130 Siskiyou Highway 99 - Hornbrook - West Cottonwood Creek Bridge Comment
  CAS-BOT-BC196324  Lupinus albifrons var. flumineus Charles Piper Smith 1947-6-18 47514 Siskiyou Highway 97. 0.5 miles east of Whitney Creek Bridge Comment
  UCR37852  Lupinus andersonii K. T. Stillman 1976-8-7 197 Siskiyou Marble Mountain Wilderness Area 1829 Comment
  SEINET10484742  Lupinus arbustus subsp. silvicola Charles Piper Smith 1947-5-13 Smith 47269 Siskiyou 2.6 miles e of weed, hwy 97 Comment
  RSA60651  Lupinus aridus Dorothy Parker 1948-7-14 s.n. Siskiyou Scott Valley, 2 mi. from Etna. 671 Comment
  JEPS65034  Lupinus breweri W. L. Jepson 1907-7-6 2856 Siskiyou ridge above Cuddihy Valley Marble Mt. region Comment
  HSC39441  Lupinus breweri J. O. Sawyer 1969-7-2 1027 Siskiyou Ridge S of Upper Albert Lake 2378 Comment
  CAS-BOT-BC196696  Lupinus breweri var. breweri Jessie P. Rose 1908-7-1 193 Siskiyou Near summit of Ashland Butte, Siskiyou Mountains Comment
  SEINET10490744  Lupinus croceus var. croceus H. Dearing, M. Dearing 1939-6-30 Dearing 3763 Siskiyou Perennial with yellow flower. Callahan, trinity alps rd. Comment
  SEINET10485424  Lupinus klamathensis Jeffrey Huber 1971-6-9 Huber 258 Siskiyou 3 mi. N of weed, on us hwy 97; s facing 20 degree slope; roadside; in pinus Ponderosa, p. Jeffreyi, and artemisia tridentata and purshia. 1128 Comment
  CHSC25080  Lupinus lapidicola D. Parker 1965-8-15 917 Siskiyou Near Syphon Lake, Salmon Mt. 2164 Comment
  HSC82558  Lupinus lapidicola Thomas W. Nelson, Jane P. Nelson 1979-5-26 4721 Siskiyou Along Hwy. 3, N of Scott Mtn. Summit, at junction with FS Rd. 40N03 1524 Comment
  HSC42941  Lupinus latifolius J. O. Sawyer, Ken Stillman 1976-7-1 2763 Siskiyou Streamside terraces and lower slopes along the Little N Fork of the Salmon River. 732 Comment
  CAS-BOT-BC7547  Lupinus latifolius var. viridifolius Amos Arthur Heller 1905-6-1 7928 Siskiyou Between Dunsmuir and Upper Soda Spring Comment
  UC33405  Lupinus lepidus var. lobbii W. C. Blasdale 1894-7-31 Siskiyou Mt. Shasta , near Black Butte (near Black Butte) Comment
  JEPS83250  Lupinus luteolus W. L. Jepson 1940-6-22 19964 Siskiyou 1 mi e Hilt (Hilt to Hawkinsville, Quarantine Station); e of Hilt 914 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
  UC15983  Lupinus obtusilobus W. H. Brewer 1862-9-13 1387 Siskiyou Mount Shasta 2438 Comment
  RSA0069563  Lupinus onustus Daisie Huang 2006-8-4 06080405 Siskiyou Castle Lake Road. 1326 Comment
  POM24888  Lupinus polyphyllus subsp. polyphyllus Geo. D. Butler 1910-7-6 1642 Siskiyou Quartz Valley Comment
  UC201945  Lupinus polyphyllus var. polyphyllus Annie M. Alexander and Louise Kellogg 1911-6-13 139 Siskiyou 6 mi nw Callahan; nw <of> Callahan Comment
  RSA47664  Lupinus sellulus subsp. sellulus Roxana S. Ferris, Laura Lorraine, Daniel F. Ferris 11759 Siskiyou French Creek Logging Road west of Callahan. 1220 Comment
  HSC41639  Lupinus sellulus subsp. ursinus Jennifer Whipple 1976-9-2 1760 Siskiyou S face of Mt. Eddy draining into the N Fork of the Sacramento River 2439 Comment
  HSC77076  Lupinus sellulus subsp. ursinus K. T. Stillman 1976-6-26 104 Siskiyou Marble Mtn. Wilderness Area 2073 Comment
  SEINET13095207  Lupinus shastensis A. A. Heller 1905-6-13 8024 Siskiyou Near Shasta Springs. Comment
  UCD77848  Luzula divaricata Robert E. Preston 2001-6-23 1593 b Siskiyou Klamath National Forest, e ridge of Rainbow Mtn, 2072 Comment
  CHSC96086  Luzula parviflora L. P. Janeway 2006-7-3 8756 Siskiyou Klamath Ranges. Salmon Mountains; Music Creek Trailhead near upper Music Creek. 1893 Comment
  RSA211368  Luzula parviflora William J. Ferlatte 1967-7-26 748 Siskiyou Caribou Basin. Ridge west of Big Caribou Lake. Steep slope with talus and solid rock outcrops. Trinity Alps. 2134 Comment
  HSC96556  Luzula subcongesta Gordon Leppig 1998-8-14 1026 Siskiyou Klamath National Forest, Russian Wilderness, Little Duck Lake Fen, cirque W of Little Duck Lake 2200 Comment
  HSC67150  Luzula subsessilis J. P. Smith 1973-5-5 6391 Siskiyou In and around the O'Neill Campground near Seiad Valley. 488 Comment
  HSC24636  Lycium barbarum L. C. Wheeler 1934-11-4 3356 Siskiyou Scott Bar, Scott River, Marble Mts. 518 Comment
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Dec 6 2014
  SEINET2121892  Machaeranthera canescens M. L. Carson 1968-12-8 1294 Siskiyou US Highway 97 ca. 20 mi S of Macdoel and 7.8 mi N of junction of road to Yreka at Yellow Butte, close to Mount Shasta viewpoint before going down a long hill 1430 Comment
  RSA215639  Machaeranthera canescens var. shastensis Gilbert Muth 1969-8-8 1302 Siskiyou Boulder Peak Ridge 2287 Comment
  SEINET11805950  Machaeranthera canescens var. shastensis C. G. Pringle 1882-1 s.n. Siskiyou Mt. Shasta 2438 Comment
  UC73949  Madia elegans T. H. Gilbert Jun 15 1899-Jul 15 1899 Siskiyou Scott River Valley Comment
  UC165393  Madia elegans Geo. D. Butler 1910-5-23 1400 Siskiyou Humbug Mt. 1066 Comment
  CAS-BOT-BC343440  Madia gracilis Wm. Bridge Cooke 1938-8-5 11440 Siskiyou Mount Shasta. MacBride Springs Comment
  UC165394  Madia gracilis Geo. D. Butler 1909-6-12 952 Siskiyou near road<?> Greenhorn Mountain Comment
  OBI55434  Madia gracilis David J. Keil 1992-7-20 23493 Siskiyou Klamath NF, W of Fort Jones. Along Forest Rd 44N45, 3.9 mi S of Scott river rd Comment
  POM362188  Madia gracilis subsp. gracilis M. B. Dunkle 1945-8-2 9282 Siskiyou Kings Castle, Klamath National Forest. Marble Mountains. Comment
  RSA12611  Mahonia aquifolium C. B. Wolf 1934-7-5 5974 Siskiyou 4 7/10 mi. from Oak Knoll R.S. on Klamath River, on rd. to Dry Lake Lookout, Siskiyou Mts. 1220 Comment
  SJSU6506  Maianthemum racemosum R. W. Trivelpiece 1972-6-15 121 Siskiyou Vann Creek near Bear Peak c. 15 mi SW of Happy Camp 1280 Comment
  CAS-BOT-BC512759  Maianthemum racemosum subsp. amplexicaule Doris K. Kildale 1928-7-2 5381 Siskiyou Salmon Summit via Horn Creek Trail 1981 Comment
  HSC44864  Maianthemum stellatum J. P. Smith, Steve Selva 1970-6-16 4057 Siskiyou 8 mi. W of Etna on road to Sawyers Bar. 1372 Comment
  RSA184805  Maianthemum stellatum Gilbert Muth 1966-7-8 365 Siskiyou Marble Valley Meadow, Marble Mountains. 1793 Comment
  RSA237949  Maianthemum stellatum Frederick W. Oettinger 1967-8-3 235 Siskiyou Along trail SE side of Hancock Lake. The Salmon Mtns. High lake basins in the vicinity of English Peak. Marble Mtn Wilderness Area. 1936 Comment
  RSA377705  Maianthemum stellatum M. B. Dunkle 1944-6-27 9036 Siskiyou Siskiyou National Forest Comment
  RSA298144  Malacothrix floccifera J. P. Smith, Steve Selva 1970-6-15 3974 Siskiyou 1 mile W of junction Calif. 3 and road 8 leading to Sugar Creek. 1159 Comment
  JEPS107390  Marrubium vulgare Lowell Ahart, John Dittes 2005-6-10 12106 Siskiyou Rocky high bank, on the east side of the Shasta River, about 20 yards south of the pump house along the Shasta River, about 1.9 miles (air) south of Highway 99/97 Cutoff, about 6 miles (air) east-southeast of Grenada 776 Comment
  UC725671  Matricaria discoidea A. A. Heller 1916-7-20 12461 Siskiyou ne base Mt. Eddy (Metcalf's ranch) 1188 Comment
  UC60891  Medicago lupulina W. A. Setchell, C. C. Dobie 1902-7-16 Siskiyou Sisson Mount Shasta Comment
  UC1157302  Melica aristata W. Bridge Cooke and V. G. Cooke 1966-7-17 37251 Siskiyou Widow Springs Mt. Shasta (Mt. Shasta) 1524 Comment
  HSC77058  Melica bulbosa K. T. Stillman 1976-8-7 190 Siskiyou Marble Mountain Wilderness Area. 1951 Comment
  UC144807  Melica harfordii A. A. Heller 1905-6-1 7935 Siskiyou between Upper Soda Spring and Shasta Retreat Comment
  HSC39870  Melica stricta J. O. Sawyer 1969-7-9 1264 Siskiyou N slope of Grizzly Peak. 2378 Comment
  HSC27345  Melica subulata J. P. Smith, J. O. Sawyer, Maralyn O'Meara 1972-7-3 5700 Siskiyou E slope of Kangaroo Mtn. above Toehead Lake. 1890 Comment
  UCD88682  Melica subulata H. S. Yates 1936-6-20 5799 Siskiyou Siskiyou Summit. 1371 Comment
  HSC15854  Mentzelia congesta R. C. Wunner 1965-6-6 52 Siskiyou California Lava Beds National Monument, Indian Well Campground 1433 Comment
  UCD117380  Mentzelia montana Dorothy Parker 1967-5-14 s.n. Siskiyou McConahue Gulch, Scott Valley. 1127 Comment
  CAS-BOT-BC428551  Micranthes aprica A. A. Heller 1915-7-15 12081 Siskiyou Mt. Eddy 2072 Comment
  CAS-BOT-BC428543  Micranthes aprica Stuart K. Harris 1960-6-28 21595 Siskiyou Vicinity Taylor Lake Comment
  CAS-BOT-BC428980  Micranthes ferruginea Geo. D. Butler 1908-8-9 24 Siskiyou Marble Valley Comment
  CAS-BOT-BC428979  Micranthes ferruginea Annetta Carter 1939-8-21 1473 Siskiyou Steep slope above and southeast end of Taylor Lake, 12 miles southwest of Etna, Salmon Mountains 2194 Comment
  CAS-BOT-BC429034  Micranthes nidifica Roxana S. Ferris; Laura Lorraine 1948-6-12 11774 Siskiyou About 5.5 miles from Etna on Forks of Salmon Road Comment
  CAS-BOT-BC506661  Micranthes odontoloma Dana York 2011-8-14 3077 Siskiyou Marble Mountain Wilderness, Klamath National Forest. Marble Valley, just below the PCT 1730 Comment
  CAS-BOT-BC349371  Microseris nutans L. E. Smith 1913-5-12 204 Siskiyou Dunsmuir Comment
  POM75051  Microsteris gracilis subsp. gracilis Geo D. Butler 1910-3-28 1148 Siskiyou Yreka. Comment
  UC1586888  Mimulus Juha Pykala and D. H. Norris 1987-7-7 2410 Siskiyou Jot Dean Ice Cave 1700 Comment
  RSA237549  Mimulus alsinoides Frederick W. Oettinger 1969-7-10 959 Siskiyou Cliff above southwest end of Upper English Lake. Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountains Wilderness Area. 1921 Comment
  JEPS11704  Mimulus breweri F. W. Pennell 1940-7-19 26197 Siskiyou Mount Shasta 1981 Comment
  RSA237539  Mimulus breweri Frederick W. Oettinger 1967-7-26 186 Siskiyou Stream bank below spring at Tom Taylor Cabin. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2049 Comment
  RSA529963  Mimulus breweri D. W. Taylor, G. L. Clifton, R. E. Palmer 1987-6-7 9021 Siskiyou S end of Saddle Hills 1646 Comment
  POM43496  Mimulus floribundus Geo. D. Butler 1910-6-22 1599 Siskiyou Yreka Creek. Comment
  UC1409386  Mimulus guttatus Frederick W. Oettinger 1968-8-13 479 Siskiyou near Tom Taylor Cabin spring; Salmon Mountains, Marble Mountain Wilderness Area 2048 Comment
  HSC29410  Mimulus guttatus Frederick W. Oettinger 1969-8-25 1542 Siskiyou High Lake Basins; W of Arrow Peak near Tom Taylor Cabin 1982 Comment
  UC1037453  Mimulus inodorus Milo S. Baker and Douglas Barbe 1955-6-30 55 Siskiyou 0.6 mi nw Forest Camp, Etna; Klamath Mountains, Johnson Creek 914 Comment
  POM43116  Mimulus layneae Geo. D. Butler 1910-6-19 1585 Siskiyou Goosenest foothills. 1524 Comment
  UCR37819  Mimulus lewisii K. T. Stillman 1976-7-22 293 Siskiyou Marble Mountain Wilderness Area Comment
  HSC72486  Mimulus moschatus J. P. Smith, Steve Selva 1970-6-16 4060 Siskiyou 8 mi. W of Etna on road to Sawyers Bar. 1372 Comment
  UCD122800  Mimulus moschatus J. M. Tucker; R. Tofsrud 1948-8-3 1778 Siskiyou 3 miles (by road) below summit of Happy Camp-Waldo (Oregon) road. Comment
  UCD122797  Mimulus moschatus Jack Major; M. Fleschner, R. Pemble 1966-9-3 s.n. Siskiyou near head of Canyon Creek, east of Marble Mountain, Marble Mountains. 1645 Comment
  POM43511  Mimulus moschatus var. moniliformis Geo. D. Butler 1910-6-5 1511 Siskiyou Log Lake, Shackleford Creek. Comment
  JEPS87001  Mimulus nanus var. jepsonii David M. Thompson 1988-6-4 931 Siskiyou ca. 1.5 air mi se Deadhorse Summit (1.3 mi nw of Shasta Co. line along Hwy 89) 1300 Comment
  UC618865  Mimulus nanus var. jepsonii W. Bridge Cooke 1938-7-29 11403 Siskiyou above Bear Springs; Mount Shasta Comment
  RSA14134  Mimulus nanus var. jepsonii Elmer I. Applegate 1923-8-18 3882 Siskiyou Medicine Lake. Comment
  HSC60146  Mimulus nanus var. nanus D. L. Goforth 1979-7-7 234 Siskiyou Klamath National Forest, Condrey Mtn., near Dear Camp 1860 Comment
  RSA422244  Mimulus nanus var. nanus Louis C. Wheeler 1934-8-6 3052 Siskiyou Rock Gulch off Jaynes Canyon. Siskiyou Mts. Mt. Diablo Mer. 1829 Comment
  RSA48208  Mimulus nanus var. nanus Roxana S. Ferris, Laura Lorraine 1948-6-12 11717 Siskiyou Schoolhouse Hill, Plowman's Valley (Noyes Valley), east fork of Scott River. Comment
  HSC36560  Mimulus primuloides J. O. Sawyer 1969-8-5 1732 Siskiyou W of Little Duck Lake 2073 Comment
  SBBG40476  Mimulus tilingii W. J. Dress 1951-8-14 3724 Siskiyou SW side of Mt Shasta, above Horse Camp 2529 Comment
  UC1112865  Minuartia douglasii Milo S. Baker 1957-6-16 13155 Siskiyou trip from turnoff near Callahans to Scott Mts.; North Coast Ranges Comment
  CAS-BOT-BC174734  Minuartia nuttallii A. A. Heller 1915-8-26 12219 Siskiyou Near the source of Wagon Creek, Mt. Eddy 2590 Comment
  CAS-BOT-BC105083  Minuartia nuttallii subsp. gregaria R. C. Wenk 2008-7-25 948 Siskiyou Road to Kangaroo Lake, 4.3 miles S of turnoff from Gazelle-Callahan Rd. 1615 Comment
  HSC99823  Minuartia nuttallii subsp. gregaria G. L. Clifton, Terry Griswold 1979-6-28 6146 Siskiyou Near Upper Devils Peak, close to the town of Seiad Valley 1738 Comment
  JEPS111028  Minuartia nuttallii subsp. gregaria Sue Pappalardo 1997-8-9 974 Siskiyou Mt. Shasta Ranger District; Mt. Eddy. On trail to summit, about halfway from saddle to summit. 2740 Comment
  CAS-BOT-BC181159  Minuartia rubella John Thomas Howell 1939-8-8 15171 Siskiyou Black Mt., Marble Mts. Comment
  RSA276571  Mirabilis greenei George Pilz 1973-5-26 997 Siskiyou Along the Klamath River, 1 mile W of I-5, along Route 96 700 Comment
  HSC65011  Mitella pentandra D. L. Goforth 1979-7-19 273 Siskiyou Trinity Alps Wild Area, Caribou Lakes Basin, 1 mi. S of upper lake 2226 Comment
  RSA238320  Mitella pentandra Frederick W. Oettinger 1967-8-5 240 Siskiyou Wet meadow 1/8 mile N of Tobacco Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1890 Comment
  HSC61891  Mitella trifida Ruby Van Deventer 1959-7-9 Siskiyou Poker Flat 1585 Comment
  HSC4915  Moehringia macrophylla J. O. Sawyer 1968-7-2 375 Siskiyou Upper drainage of Joe Creek 1677 Comment
  CAS-BOT-BC435052  Mollugo verticillata Carl B. Wolf 1927-8-26 1091 Siskiyou On the Klamath River, 14 mi. above Happy Camp Comment
  HSC22247  Monardella glauca J. O. Sawyer 1969-8-4 1837 Siskiyou Above Sugar Lake 2134 Comment
  UC585124  Monardella odoratissima subsp. glauca E. B. Babcock, G. L. Stebbins Jr. 1936-6-13 2013 Siskiyou About 1 1/2 miles west of Mt. Shasta City above Sulloway Creek, spur of ridge; Rainbow Ridge 1180 Comment
  CAS-BOT-BC222029  Monardella odoratissima subsp. glauca Alice Eastwood 1923-5-23 11914 Siskiyou Cantara, S.R.R.R. Comment
  CAS-BOT-BC220358  Monardella odoratissima subsp. pallida J. G. M. 1969-8-6 s.n. Siskiyou Boulder Peak Comment
  CAS-BOT-BC222169  Monardella odoratissima subsp. pallida Marion Ownbey; Fred G. Meyer 1940-7-5 2182 Siskiyou On East side of Mt. Shasta Comment
  CAS-BOT-BC222176  Monardella odoratissima subsp. pallida J. M. Tucker 1963-8-19 3785 Siskiyou Headwaters of Canyon Creek, Marble Mountain Wilderness Area 1920 Comment
  UC1408769  Monardella odoratissima subsp. pallida Frederick W. Oettinger 1968-8-11 475 Siskiyou 0.1 mi south southeast of Tom Taylor Cabin (High Lakes Basin in vicinity of English Peak); Salmon Mountains, Marble Mountain Wilderness Area 2026 Comment
  UC2035850  Monardella odoratissima subsp. pallida C. L. Hitchcock, J. S. Martin 1939-7-6 5213 Siskiyou Takilma-Happy Camp road 1676 Comment
  CAS-BOT-BC222179  Monardella odoratissima subsp. pallida Gilbert Muth 1965-8-3 s.n. Siskiyou Marble Valley Comment
  CAS-BOT-BC222180  Monardella odoratissima subsp. pallida W. R. Dudley 1899-8-13 s.n. Siskiyou Near Nabar, McCloud Comment
  CDA40925  Monardella odoratissima subsp. pallida Jim Jokerst 1992-7-3 3431 Siskiyou Camp above Tamarack Flat, northwest of Mount Eddy. 0 Comment
  SEINET10895198  Monardella odoratissima subsp. pallida A. Graff 1993-7-24 Graff 346 Siskiyou Mt. Shasta National Forest, Mt. Shasta. Memorial Hwy. from the 2nd road to Sand Flats going down the Mt., on both sides of the road. Locally frequent at the edge of mixed conifer forest of Abies magnifica, A. concolor, Pinus ponderosa, Pseudotsuga menziesii, Calocedrus decurrens, with Ceanothus sp., Arctostaphylos uva-ursi and A. sp. Comment
  UC1299605  Monardella odoratissima subsp. pallida Freed W. Hoffman 1950-7-14 3619 Siskiyou Clear Creek trail North Coast Ranges, Baldy Mountain Comment
  SEINET10582377  Monardella siskiyouensis A. Graff 1993-7-24 Graff 354 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
  RSA0022807  Monardella villosa Clare B. Hardham 1965-8-18 13069 Siskiyou Sulphur Springs Road near Happy Camp. Comment
  JEPS51855  Monardella villosa subsp. villosa W. L. Jepson 1940-6-22 19974 Siskiyou Near Hornbrook; Klamath River 670 Comment
  RSA604349  Monotropa hypopitys A. Sanger 1997-8-22 2608 Siskiyou Medicine Lake Highlands, along the road to Alcohol Crater plast the sump pond, south side of the road. 2146 Comment
  JEPS94256  Montia dichotoma Vernon H. Oswald and Lowell Ahart 1998-6-11 9220 Siskiyou 5 mi n of Macdoel (Butte Valley National Grassland near the junction of Meiss Lake-Sams Neck Road and Highway 97); Butte Valley National Grassland 1295 Comment
  UC796626  Montia dichotoma Roxana S. Ferris and Laura Lorraine Jun 12 1948-Jun 16 1948 11845 Siskiyou road between Callahan and Gazelle (Gazelle Mountain grade); Gazelle Mountain grade 1499 Comment
  UC1101399  Montia fontana Herbert L. Mason 1948-7-18 13625 Siskiyou Grass Lake Comment
  HSC49917  Montia linearis Maralyn O'Meara 1974-5-25 410 Siskiyou On Rd. 8, ~4.7 mi. W of junction with Hwy. 3 1159 Comment
  POM101846  Montia parvifolia Geo. D. Butler 1910-6-4 1488 Siskiyou Shackleford Creek. Comment
  CHSC63526  Muhlenbergia andina Vernon H. Oswald; Lowell Ahart 1994-8-1 6415 Siskiyou Forest Rd. 26 paralleling the South Fork of the Sacramento River, 1.5 mi E of Forest Rd. 40N43, 7.8 mi SW of the dam at Lake Siskiyou. On a roadcut. 1341 Comment
  CHSC61580  Muhlenbergia filiformis L. P. Janeway 1983-8-16 543 Siskiyou Siskiyou Mountains; at Poker Flat, meadow. 1524 Comment
  CDA5594  Myosotis micrantha G. D. Barbe, J. T. Howell, T. C. Fuller 1980-4-29 2625 Siskiyou 0.4 km northeast of Oro Fino. Comment
  RSA77513  Myriophyllum sibiricum Louis C. Wheeler 1935-6-23 3591 Siskiyou Shasta River 2 mi. NW Montague. 762 Comment
  JEPS3050 Image available Nama densa John G. Lemmon 1889-6-28 Siskiyou near Edgewood; Shasta Valley; near Edgewood, Shasta Valley Comment
  HSC82521  Nama lobbii Thomas W. Nelson, Jane P. Nelson 1980-7-5 5973 Siskiyou Fowler's Campground 1006 Comment
  POM196346  Nama lobbii C. G. Pringle 1881-8-14 s.n. Siskiyou Castle Lake. 1829 Comment
  CHSC96709  Narthecium californicum Gordon Leppig 1998-8-14 1011 Siskiyou Klamath National Forest, Russian Wilderness, Little Duck Lake Fen. Subalpine fen in cirque west of Little Duck Lake. NAD 27 UTM Zone 10, 503813E, 4572466N. 2200 Comment
  SEINET8501736  Narthecium californicum W. Roderick 1967-7-28 s.n. Siskiyou Gumboat Lake, SW of Mt. Eddy. 1829 Comment
  HSC60809  Navarretia capillaris Ruby Van Deventer 1960-7-7 Siskiyou Bell Echo Camp in Youngs Valley. 1220 Comment
  RSA237999  Navarretia capillaris Frederick W. Oettinger 1969-7-18 1055 Siskiyou Southwest of Upper English Lake, Salmon Mountains. High Lake Basins in the Vicinity of English Peak. Marble Mountain Wilderness Area. 1921 Comment
  HSC82263  Navarretia divaricata Thomas W. Nelson, Jane P. Nelson 1980-7-5 5980 Siskiyou Fowler's Campground 1006 Comment
  UC1332135  Navarretia divaricata John Thomas Howell 1937-7-27 13572 Siskiyou near Big Flat; Salmon River 1524 Comment
  POM75064  Navarretia divaricata Geo D. Butler 104 Siskiyou West Fork of Wooley Creek 1677 Comment
  HSC44288  Navarretia intertexta J. P. Smith, Steve Selva 1970-7-16 4379 Siskiyou Along Klamath River, 2 mi. W of Seiad Creek 518 Comment
  POM75063  Navarretia intertexta Geo D. Butler 1908-8-27 157 Siskiyou Oro Fino Comment
  CHSC4542  Navarretia leptalea J. E. Bowlin 1967-7-18 65 Siskiyou On roadside, ca. 6 mi w of Mount Shasta Ski Bowl. 1828 Comment
  JEPS81653  Navarretia leucocephala subsp. minima L. R. Heckard with L. Constance and R. Ornduff 1969-6-24 2298 Siskiyou on US Hwy 97 0.8 mi s Bray junction; Murphy Wells 1493 Comment
  CAS-BOT-BC230557  Nemophila parviflora var. austiniae A. A. Heller 1919-6-20 13257 Siskiyou Metcalf's Ranch, NE base of Mount Eddy 1158 Comment
  POM65375  Nemophila parviflora var. austiniae H. P. Chandler 1901-06 1649 Siskiyou Marble Mountains. 2287 Comment
  JEPS12279  Nicotiana attenuata W. L. Jepson 1940-6-23 19989 Siskiyou e of Mayten (e side of Little Shasta Valley); Little Shasta Valley 883 Comment
  CAS-BOT-BC60584  Noccaea fendleri subsp. glauca Jean Langenheim 1957-5-19 4344 Siskiyou At intersection of Miner's Creek road and Tiger Creek road. Comment
  CAS-BOT-BC60586  Noccaea fendleri subsp. glauca Doris K. Kildale 1929-8-24 8822 Siskiyou Preston Peak. Comment
  HSC81838  Noccaea fendleri subsp. glauca Thomas W. Nelson, Jane P. Nelson 1980-7-20 6182 Siskiyou Above and to SE of Big Carmen Lake 1738 Comment
  CAS-BOT-BC60587  Noccaea fendleri subsp. glauca L. B. Kildale 1929-5-31 9154 Siskiyou Salmon River. Comment
  RSA126565  Nothocalais troximoides M. H. Mitchell 1936-5-8 3 Siskiyou Close to Schonchin Butte, Modoc Lava Beds National Monument 1372 Comment
  CHSC1871  Nothochelone nemorosa V. Holt 1943-8-13 Siskiyou Marble mountains. 1828 Comment
  HSC19138  Nothochelone nemorosa J. O. Sawyer 1969-8-4 1849 Siskiyou S of Sugar Lake 2134 Comment
  JEPS105141  Nothochelone nemorosa Dean W. Taylor 1993-7-30 13990 Siskiyou Bolan Lake Road (Forest Road 4812) about 2 miles east of Indian Creek Road (Forest Road 40S07); Klamath National Forest 1584 Comment
  JEPS11222  Nothochelone nemorosa Geo. D. Butler 1908-8-8 427 Siskiyou bluff s of lake at head of West Fork Wooley Creek West Fork Wooley Creek 1676 Comment
  SD88339  Nothochelone nemorosa Darley F. Howe 1972-7-7 Siskiyou 1.4 miles south of Oregon state line on road to Happy Camp 1646 Comment
  HSC59711  Notholithocarpus densiflorus var. echinoides Clark L. Miller 1978-10-21 79 Siskiyou French Camp Rd. off Hwy. 199, E of Hwy. 101 549 Comment
  UC1409398  Nuphar lutea subsp. polysepala Frederick W. Oettinger 1968-8-12 488 Siskiyou West of the west cove of Hancock Lake (Lily Pond (a fifty foot pond), vicinity of English Peak, w Siskiyou County); Salmon Mountains, Marble Mountain Wilderness Area 1935 Comment
  RSA0013798  Nuphar lutea subsp. polysepala Frederick W. Oettinger 1967-7-26 207 Siskiyou Pond due W of the west cove of Hancock Lake. Salmon Mountains. The high lake basins in the vicinity of English Peak, Marble Mountain Wilderness Area. 1936 Comment
  RSA201753  Olsynium douglasii Sandra Holloway 1963-4-9 18 Siskiyou Road to Pythian Cave, between Yreka and Grenada, west of U.S. Highway 99 762 Comment
  CDA37696  Onopordum acanthium Robin Breckenridge 2005-7-19 s.n. Siskiyou South Weed Exit, trucking parking area. 0 Comment
  CDA20567  Onopordum tauricum C. Pirosko 2005-7-29 PDR 1303860 Siskiyou Klamath Ranges; Schoolhouse Rd in eastern Siskiyou County, near Hwy 97. 0 Comment
  CDA7576  Onopordum tauricum T. C. Fuller 1960-6-3 4648 Siskiyou F. Voelker property, west edge of Meiss Lake Basin just south of Sam s Neck, ca. 15 miles southwest of Dorris. 0 Comment
  RSA128658  Onopordum tauricum T. C. Fuller 1959-12-10 3324 Siskiyou Fred Voelker Ranch, west edge of Meiss Lake Basin, just south of Sam's Neck, ca. 15 miles southwest of Dorris Comment
  CAS-BOT-BC56841  Opuntia fragilis Carl B. Wolf 1941-7-26 11074 Siskiyou Field redacted by CAS, contact the data manager for more information 883 Comment
  JEPS88631  Orcuttia tenuis Dean Wm. Taylor with Rexford E. Palmer 1988-6-23 9861 Siskiyou ca 5 mi n Timbered Crater (ca 1 mi e of Adobe Flat); Modoc Plateau, Fall River Mills 15' Quadrangle 1097 Comment
  SEINET3163879  Oreobroma howellii G. D. Butler 1910-6-5 1527 Siskiyou Loy Lake Comment
  CAS-BOT-BC499826  Orobanche corymbosa subsp. corymbosa Peter H. Raven 1956-8-11 10066 Siskiyou 9.6 mi S of turnoff to Bray on US Hwy \97 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
  RSA0059236  Orobanche uniflora subsp. occidentalis Gilbert Muth 1966-7-18 417 Siskiyou Marble Gap Trail, Meadow above Marble Valley, Marble Mountains. 1829 Comment
  HSC61864  Orogenia fusiformis Ruby Van Deventer Jun 1961 Siskiyou Poker Flat 1585 Comment
  HSC61865  Orogenia fusiformis Ruby Van Deventer Siskiyou Poker Flat 1585 Comment
  HSC61869  Orthilia secunda Ruby Van Deventer 1939-7-18 Siskiyou Poker Flat 1585 Comment
  HSC803  Orthilia secunda William J. Ferlatte 1967-7-25 714 Siskiyou N side of Caribou Mtn. 1982 Comment
  CAS-BOT-BC458082  Orthilia secunda David D. Keck 1938-8-6 4804 Siskiyou At Del Norte Co. line, Poker Flat, summit of Siskiytou Mts. on road from Waldo to Happy Camp Comment
  CAS-BOT-BC458096  Orthilia secunda Annetta Carter 1939-8-21 1469 Siskiyou Above SE end of Taylor Lake, 12 mies SW of Etna, Salmon Mountains 2164 Comment
  NY90839  Orthocarpus copelandii E. B. Copeland 1903-8-18 s.n. Siskiyou Mt. Eddy 2133.6 Comment
  UCR244767  Orthocarpus cuspidatus K. M. Meyer, A. Townesmith 2007-8-2 187 Siskiyou Klamath National Forest, 13.3 mi. on Forest Service Rd. 70, off US Hwy 97 toward Oregon 1956 Comment
  RSA120883  Orthocarpus cuspidatus subsp. copelandii G. D. Barbe 1957-7-13 384 Siskiyou Big Flat Public Camp, Klamath National Forest. Along the entrance road into camp. 1524 Comment
  JEPS84027  Orthocarpus cuspidatus subsp. cuspidatus L. R. Heckard with J. Hickman et al. 1986-7-17 6498 Siskiyou ca 14.5 mi from Hwy 96 (Walker) near Dry Lake (Oak Knoll Ranger Station road to Condrey Mt.); near Dry Lake, road to Condrey Mt. 2000 Comment
  JEPS84182  Orthocarpus cuspidatus subsp. cuspidatus L. R. Heckard with J. Hickman et al. 1986-7-17 6516 Siskiyou n slope of Condrey Mountain Condrey Mountain 1960 Comment
  HSC29190  Osmorhiza berteroi Frederick W. Oettinger 1969-7-10 952 Siskiyou Marble Mountain Wilderness Area, W of English Lake 1761 Comment
  RSA237405  Osmorhiza berteroi Frederick W. Oettinger 1968-8-18 566 Siskiyou East side of Hancock Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1936 Comment
  SEINET11132532  Osmorhiza berteroi G. D. Butler 1910-6-6 1453 Siskiyou Quartz Valley. Comment
  UC595105  Osmorhiza occidentalis David D. Keck 1938-8-6 4811 Siskiyou 4 mi s Oregon Line (on road from Waldo to Happy Camp, at Del Norte Co. line); Summit of Siskiyou Mts., Poker Flat 1555 Comment
  CAS-BOT-BC413214  Oxyria digyna Gilbert J. Muth 1969-8-6 1225 Siskiyou Boulder Peak Ridge Comment
  HSC92968  Oxyria digyna Jennifer Whipple 1976-7-25 1574 Siskiyou N face of Mt Eddy 2378 Comment
  UCR37815  Oxyria digyna K. T. Stillman 1976-7-15 256 Siskiyou Marble Mountain Wilderness Area, Scott Bar 15' Q. 1951 Comment
  UC579117  Packera cana J. William Thompson 1936-7-8 13150 Siskiyou Lava Beds National Monument Comment
  SD53020  Paeonia brownii Peter H. Raven 1962-5-30 17993 Siskiyou U. S. Highway 97, 8.3 miles north of Weed. Comment
  CAS-BOT-BC253764  Panicum capillare Carl B. Wolf 1927-8-26 992 Siskiyou On the Klamath River, 5 miles below Hornbrook Comment
  JEPS95662  Papaver rhoeas Vernon H. Oswald and L. Ahart 1999-7-5 9793 Siskiyou Gazelle-Callahan Hwy. 0.5 mi west of Gazelle: T42N R6W Sect. 3, 2800 ft, agricultural area 853 Comment
  UC858265  Parnassia californica Alice Eastwood 1912-8-30 2045 Siskiyou Mount Eddy Comment
  UC637039  Paspalum distichum Edward Lee 1934-8-10 1019 Siskiyou near Hamburg (south bank of Klamath River between McKinney and Parkerhouse creeks); s bank of Klamath River 609 Comment
  JEPS45939  Pastinaca sativa Rimo Bacigalupi and L. R. Heckard 1966-6-19 9182 Siskiyou along W Lake St 1 block w Mt. Shasta Blvd. (in town of Mt. Shasta); town of Mt. Shasta 1091 Comment
  CAS-BOT-BC202844  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-BC202864  Paxistima myrsinites Antone J. Soares 1922-6-1 s.n. Siskiyou Shasta Springs Comment
  HSC73219  Paxistima myrsinites Gail Newton 1980-6-20 503 Siskiyou Near Bald Mtn. 1097 Comment
  JEPS24623  Paxistima myrsinites Rimo Bacigalupi with Drs. Reino and Aloha Alava 1958-8-31 6776 Siskiyou between Shasta Retreat and Shasta Springs (directly opposite Mossbrae Falls, bank of Sacramento R.); Sacramento R. 731 Comment
  UC1071573  Paxistima myrsinites H. S. Yates 1936-6-21 5828 Siskiyou n. base Wintoon butte; Dunsmuir Quad. Comment
  UCR5254  Paxistima myrsinites O. F. Clarke 1966-8-6 660806- 02 Siskiyou 46 mi south of Oregan Border on US 99 Comment
  SJSU3571  Paxistima myrsinites G. R. Ostrander 1965-7-13 75 Siskiyou by McCloud R 5 mi E of Mc Cloud, 0.5 mi S of Sate Rte 89 1219 Comment
  POM228954  Pectocarya pusilla L. C. Wheeler 1935-5-1 3453 Siskiyou Yreka Creek, Siskiyou Mts. 854 Comment
  POM72145  Pectocarya pusilla Geo. D. Butler 1910-5-8 1306 Siskiyou Near Yreka. Comment
  HSC4828  Pedicularis attollens J. O. Sawyer 1968-7-23 588 Siskiyou Along trail from Brown's Valley to Caribou Basin including areas around Snowslide Lake and Caribou Lake. 1829 Comment
  POM43388  Pedicularis aurantiaca Geo. D. Butler 1324 Siskiyou Goosenest foothills. 1524 Comment
  UC1483481  Pedicularis howellii Maralyn A. Renner 1980-7-28 2183 Siskiyou e spur of Kangaroo Mountain; Klamath National Forest, Kangaroo Mountain 1889 Comment
  HSC4831  Pedicularis racemosa J. O. Sawyer 1968-7-22 523 Siskiyou Between Handcock and Diamond Lakes 1951 Comment
  HSC63262  Pedicularis racemosa M. A. Baker 1979-7-31 1087 Siskiyou Marble Mtn. Wilderness, Tickner Hole 2080 Comment
  RSA184652  Pedicularis racemosa Clare B. Hardham 1965-8-20 13025 Siskiyou Marble Mountains. Granite [trail]. Near Cudahy Lakes. 1220 Comment
  SBBG19459  Pellaea brachyptera L. L. Kiefer 1963-8-9 721 Siskiyou SW of town of Mt Shasta, county rd W of Castle Lake Rd, between the Wagon and Deer Crk bridges 1219 Comment
  UCR208061  Pellaea brachyptera L. C. Wheeler 1934-8-15 3157 Siskiyou Siskiyou Mtns., East Fork Horse Creek 1524 Comment
  UCR208089  Pellaea brachyptera L. C. Wheeler 1934-6-21 2744 Siskiyou Siskiyou Mtns, West Fork Cottonwood Creek 1238 Comment
  SBBG15654  Penstemon anguineus D. Myrick 1961-6-21 313 Siskiyou Deer Camp Rd above Oak Knoll Ranger Station, Klamath River, 19 mi W of Hwy 99 1676 Comment
  UC1190133  Penstemon anguineus Ira L. Wiggins 1955-7-24 13490 Siskiyou ridge betw upper reaches of China and Blind Horse Creek; upper reaches of China and Blind Horse Creeks 1493 Comment
  UC1238944  Penstemon anguineus Freed W. Hoffman 1948-7-8 2585 Siskiyou Waldo-Happy Camp Road n West Branch Camp (western Siskiyou County); North Coast Ranges, n of West Branch Camp Comment
  POM42970  Penstemon anguineus Geo. D. Butler 1910-7-12 1761 Siskiyou Shackleford Creek. 1220 Comment
  RSA183705  Penstemon anguineus Gilbert Muth 1965-7-30 140 Siskiyou Marble Valley, Marble Mtns. Comment
  UC1238941  Penstemon anguineus Freed W. Hoffman 1940-7-11 3489 Siskiyou Cedar Camp road 23.9 mi n Klamath Highway (western Siskiyou County); North Coast Ranges, n of Klamath Highway Comment
  HSC62464  Penstemon azureus Ruby Van Deventer 1939-7-18 Siskiyou Twin Valley Comment
  HSC62465  Penstemon azureus Ruby Van Deventer 1938-7-31 Siskiyou Twin Valley, 2 mi. from Poker Flat Comment
  RSA425614  Penstemon azureus Louis C. Wheeler 1934-6-21 2746 Siskiyou West Fork Cottonwood Creek, Siskiyou Mtns. (Mt Diablo Mer.) 1509 Comment
  UC1238934  Penstemon cinereus Freed W. Hoffman 1948-7-13 2651 Siskiyou 8.4 mi n of Tennant (on Butte Creek road); North Coast Ranges, n of Tennant 1295 Comment
  UC564176  Penstemon cinereus Elmer I. Applegate 1935-6-2 9268 Siskiyou Indian Wells Lava Beds National Monument, Indian Wells Comment
  UC727353  Penstemon cinereus Elmer I. Applegate 1931-6-24 6804 Siskiyou between Bear Paw Cave, Modoc Lava Beds and Medicine Lake; btw Bear Paw Cave, Modoc Lava beds and Medicine Lake Comment
  UC1258458  Penstemon cinicola J. Sawyer and J. Cole 1980-7-20 3782 Siskiyou s of Grouse Hill (at n base of Badger Peak, Klamath National Forest); Klamath National Forest, Badger Peak 2145 Comment
  JEPS23288  Penstemon davidsonii var. davidsonii Rimo Bacigalupi 1959-7-1 7185 Siskiyou Pumice fields just e Mt. Shasta Ski Bowl Lodge (at upper end of Everitt Highway, southwestern slopes of Mt. Shasta); southwestern slopes of Mt. Shasta 2346 Comment
  JEPS8101  Penstemon davidsonii var. davidsonii W. L. Jepson 1894-8-4 21412 Siskiyou Mt. Shasta above timber line; Mt. Shasta, above timber line Comment
  RSA215600  Penstemon deustus Gilbert Muth 1969-8-6 1187 Siskiyou Boulder Peak. 2530 Comment
  POM194938  Penstemon deustus subsp. deustus D. D. Keck 1927-8-16 990 Siskiyou 4 miles east of Mt Shasta City on west flank of Mt Shasta. 1616 Comment
  UC175799  Penstemon deustus var. pedicellatus T. H. Gilbert June 1899 Siskiyou Scott River Valley Comment
  UC1017723  Penstemon deustus var. suffrutescens Marion Ownbey and Ruth P. Ownbey 1938-7-19 1750 Siskiyou 2.5 mi nw Dry Lake Lookout (summit of Siskiyou Mts.); Siskiyou Mts. Comment
  SDSU10942  Penstemon filiformis D. F. Howe 1979-6-25 5197 Siskiyou 2 miles E of Soms Bar. Comment
  UC727354  Penstemon gracilentus Elmer I. Applegate 1923-8-17 3831 Siskiyou about 10 mi nw Medicine Lake; nw of Medicine Lake Comment
  SEINET12271087  Penstemon gracilentus M. Ownbey, Meyer, F. G. 1940-1 2195 Siskiyou near timber line on E side of Mt. Shasta Comment
  SBBG51817  Penstemon heterodoxus var. shastensis C. Bornstein 1996-6-29 Siskiyou Grass Lake Rest Stop 1531 Comment
  UC625483  Penstemon heterodoxus var. shastensis Frank W. Gould 1938-6-28 486 Siskiyou n of Mount Shasta (where U.S. 97 crosses Butte Creek); Butte Creek 1417 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
  SJSU6070  Penstemon humilis var. humilis R. W. Trivelpiece 1971-7-5 44 Siskiyou Little Shasta Cr c. 8 mi E of shasta Valley 1219 Comment
  UC229876 Image available Penstemon laetus H. E. Brown Jun 11 1897-Jun 16 1897 360 Siskiyou n side Mt. Shasta; ; Mt. Shasta, Siskiyou Co. 1524 Comment
  HSC86525  Penstemon laetus D. K. Imper 1987-7-21 Siskiyou 8 mi. E of Somes Bar 1372 Comment
  SEINET11262162  Penstemon laetus subsp. sagittatus Noel H. Holmgren, James L. Reveal 1966-6-9 2678 Siskiyou US 97, Shasta Valley, 4 miles north of Weed.; 0 1158 Comment
  SEINET7073530  Penstemon laetus var. laetus A. G. Vestal 1963-6-3 s.n. Siskiyou South of Gazelle on the east slope of lava hill on Gazelle-Callahan Road. UTM Zone 10, 535838mN, 4591995mN. Coordinate datum: NAD27. Comment
  JEPS23765  Penstemon laetus var. sagittatus Rimo Bacigalupi with Drs. Reino and Aloha Alava 1958-8-31 6763 Siskiyou along SP (Shasta Route) railway grade upper Sacramento River Canyon (in the 1 1/2 mi stretch between Shasta Retreat (at northern outskirts of Dunsmuir) to Mossbrae Falls and Shasta Springs) 731 Comment
  SEINET5328855 Image available Penstemon laetus var. sagittatus G. Butler 1910-5-11 1338 Siskiyou Shasta Valley Comment
  CAS-BOT-BC239339  Penstemon newberryi var. berryi A. A. Heller 1905-6-16 8048 Siskiyou Near Sisson Comment
  HSC69343  Penstemon newberryi var. berryi Maralyn A. Renner 1980-9-9 2762 Siskiyou Medicine Mtn., ridge to SW 2058 Comment
  JEPS84079  Penstemon newberryi var. berryi L. R. Heckard with S. D'Alcamo, J. Hickman, S. Winchester 1986-7-16 6354 a Siskiyou 1/2 mi SE of Red Butte (SW of Cook and Green Pass; 7 mi NNE of Seiad Valley) 1730 Comment
  UC144614  Penstemon newberryi var. newberryi A. A. Heller 1905-6-16 8048 Siskiyou near Sisson; near Sisson Comment
  CHSC106848  Penstemon parvulus Barbara Ertter 1991-7-14 9311 Siskiyou E side Mt Eddy ca 4 airmiles due W of Mt Shasta City, at streamlet near end of FR 41N53 ca 1 mi N of Morgan Meadows. 1676 Comment
  POM259370  Penstemon parvulus J. T. Howell 1939-8-2 14899 Siskiyou Spirit Lake, Marble Mountains. 1829 Comment
  HSC29301  Penstemon parvulus Frederick W. Oettinger 1968-8-16 539 Siskiyou Marble Mtn. Wilderness Area, W side of Red Hill near Hancock Lake 2058 Comment
  JEPS21124  Penstemon parvulus Rimo Bacigalupi with S. Galen Smith and Geo. Bacigalupi Jr. 1957-6-26 5964 Siskiyou Canyon of South Fork of Sacramento River at its source in the region immediately s Mt. Eddy (along very poor mountain road to Gumboot Lake, sw corner of Siskiyou County); Canyon South Fork Sacramento River, s of Mt. Eddy 1432 Comment
  CHSC86679  Penstemon roezlii Jenny Marr 1993-7-1 65 Siskiyou Butte Valley Wildlife Area, +/- 7 air miles NW of the town of MacDoel. Meadow NW of Meiss Lake. 1349 Comment
  HSC82000  Penstemon roezlii Thomas W. Nelson, Jane Nelson 1979-6-16 4853 Siskiyou Along Hwy. 3, 3.1 mi. N of Scott Mtn. Summit 1280 Comment
  UCR77234  Penstemon roezlii Peter S. Lathrop 1992-7-4 58 Siskiyou Everett Memorial Highway, Mt. Shasta, Shasta National Forest 1524 Comment
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Feb 11 2016
  UC1542736  Penstemon roezlii Barbara Ertter with Thomas J. Delendick 1987-5-17 6974 Siskiyou 1.7 mi n S Fk Scott River bridge (w side Rt 3 n of Callahan); n of S Fk Scott River bridge 914 Comment
  CHSC71333  Penstemon rydbergii var. oreocharis Vernon H. Oswald; Lowell Ahart 1998-6-11 9208 Siskiyou Dry Lake on the south side of Tennant Rd. ca. 9 air mi east of Grass Lake, ca. 22 air mi northeast of Weed. 1402 Comment
  RSA0006225  Penstemon shastensis D. D. Keck 1940-6-13 5172 Siskiyou Grass Lake 1540 Comment
  CHSC118594  Penstemon speciosus Richard R. Halse 2016-5-29 9721 Siskiyou Along Hilt Road by its junction with Interstate Hwy. 5, east of Hilt. 939 Comment
  JEPS11509  Penstemon speciosus Milo S. Baker Aug. 1897 150 Siskiyou Top of Medicine Lake Mts. Comment
  UC144615  Penstemon speciosus A. A. Heller 1905-6-8 7991 Siskiyou Yreka; ; Yreka, Siskiyou Co. Comment
  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
  SEINET3860793  Perideridia leptocarpa L. Constance, T. I. Chuang; et al. 1966-6-15 3768 Siskiyou Above Trinity River 5 mi NW of Cecilville.; 0 762 Comment
  RSA237500  Perideridia parishii subsp. latifolia Frederick W. Oettinger 1969-8-19 1459 Siskiyou Along the ridge between David Mountain and Abbotts Lake Basin and on old Tanners Peak trail. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1905 Comment
  CAS-BOT-BC423352  Peritoma platycarpa A. A. Heller 1927-8-2 14440 Siskiyou North end of Shasta Valley, near the Klamath River Comment
  CAS-BOT-BC330263  Petasites frigidus var. palmatus H. A. Thomas; J. H. Thomas 1954-7-23 4469 Siskiyou Salmon - Trinity Mts. Abouty 6 miles SE of Cecilville. Vicinity of Blind Horse Creek. 1036 Comment
  UC60932  Petasites frigidus var. palmatus Geo. B. Grant Sep 1902 5253 Siskiyou Shasta Springs Mount Shast 609 Comment
  JEPS57168  Phacelia corymbosa L. R. Heckard 1967-8-13 1708 Siskiyou edge of summit fell-field Mt. Eddy 2743 Comment
  JEPS76146  Phacelia dalesiana Susan Horner 1977-6-1 110 Siskiyou 4 mi ne Scott Mt. (trail from Robbers Meadows to Kangaroo Lake) Comment
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Jul 5 2017
  JEPS2787 Image available Phacelia frigida W. L. Jepson 1894-8-4 21042 Siskiyou Mt. Shasta Comment
  HSC49958  Phacelia greenei G. L. Clifton, Ground 1978-6-13 1001 Siskiyou Near Forest House, close to the town of Yreka 1037 Comment
  UC796610  Phacelia greenei Roxana S. Ferris and Laura Lorraine Jun 12 1948-Jun 16 1948 11718 Siskiyou Schoolhouse Hill e. fork of Scott River, Plowman's Valley (Noyes Valley) Comment
  HSC76997  Phacelia hastata var. compacta K. T. Stillman 1976-6-25 92 Siskiyou Marble Mtn. Wilderness Area, between Marble Gap and Elk Valley trail 2073 Comment
  CDA40413  Phacelia heterophylla subsp. virgata E. Hale 1984-5-8 s.n. Siskiyou At junction of Shasta and Klamath Rivers, near Yreka. 0 Comment
  UC1055964  Phacelia heterophylla subsp. virgata Edw. L. Greene June 1876 Siskiyou Comment
  RSA183654  Phacelia humilis var. humilis Gilbert Muth 1965-8-16 227 Siskiyou Marble Valley Comment
  RSA211171  Phacelia humilis var. humilis W. J. Ferlatte 257 Siskiyou Mountain Meadow Ranch. 1524 Comment
  CAS-BOT-BC145046  Phacelia leonis Lincoln Constance; Rimo Bacigalupi; Lawrence R. Heckard 1960-7-20 3691 Siskiyou Twin Valley, ca. 5 miles southwest of Poker Flat, Siskiyou Mountains 1554 Comment
  JEPS87068  Phacelia leonis Dean W. Taylor 1988-7-9 9935 Siskiyou Gumboot Lake North Coast Ranges, Seven Lakes Basin 7 1/2' quad, South For (headwaters of river) 1950 Comment
  JEPS2132  Phacelia linearis Geo. D. Butler 1909-5-4 742 Siskiyou near (n of) Yreka; Klamath River Comment
  UC536685  Phacelia linearis D. H. Johnson and F. G. Palmer 1935-5-16 Siskiyou caves 11 mi ne Weed 1097 Comment
  RSA59806  Phacelia linearis E. K. Balls 1950-5-17 14725 Siskiyou New Lava Flow, road from Schonchin Butte to Capt. Jack s Stronghold, Lava Bed National Monument. 1494 Comment
  JEPS1095  Phacelia pringlei John G. Lemmon September, 1879 Siskiyou near Shasta Comment
  HSC62290  Phacelia procera Al Hobart 1969-8-8 Siskiyou Youngs Valley Comment
  JEPS107317  Phacelia ramosissima var. ramosissima Lowell Ahart, John Dittes 2005-6-10 12084 Siskiyou Under a juniper tree, about 50 yards southeast of the pump house along the Shasta River, about 1.9 miles (air) south of Highway 99/97 Cutoff, about 6 miles (air) east-southeast of Grenada 776 Comment
  CAS-BOT-BC77425  Philadelphus lewisii Gilbert Muth 1965-8-3 s.n. Siskiyou Down creek from Marble Valley Comment
  CAS-BOT-BC77429  Philadelphus lewisii J. H. Thomas 1949-6-16 954 Siskiyou 1/4 miles north of Beaver Creek Public Camp, along Beaver Creek; 5 miles north of junction of Beaver Creek Comment
  HSC29270  Phlox adsurgens Frederick W. Oettinger 1967-7-26 208 Siskiyou Marble Mtn. Wilderness Area, 1/8 mi. NE of Tobacco Lake 1890 Comment
  HSC4820  Phlox diffusa J. O. Sawyer 1968-7-23 622 Siskiyou Along trail from Brown's Valley to Caribou Basin including areas around Snowslide Lake and Caribou Lake. 1829 Comment
  SJSU11450  Phlox diffusa M. R. Kempf 1965-7-13 312 Siskiyou above Horse Camp W slope Mt Shasta 2438 Comment
  CAS-BOT-BC232824  Phlox hirsuta L. E. Smith 1913-4-20 639 Siskiyou Yreka Comment
  RSA468395  Phlox hoodii subsp. canescens Christopher Davidson 1975-6-5 2682 Siskiyou 0.8 mi N of Scott Mtn Summit on Hwy 3. 1585 Comment
  HSC17167  Phlox rigida R. C. Wunner 1965-6-7 132 Siskiyou Lava Beds National Monument, near N prefab near Indian Well Campground 1433 Comment
  UC585201  Phlox speciosa subsp. nitida E. B. Babcock, G. L. Stebbins Jr. 1936-6-13 2014 Siskiyou about 1.5 mi w Mt. Shasta City (e and ne slope of spur of Rainbow Ridge, above Sulloway Creek); Rainbow Ridge 1188 Comment
  CDA40279  Phlox speciosa subsp. nitida R. P. Allen 1952-5-15 s.n. Siskiyou Dunsmuir. 0 Comment
  JEPS69984  Phlox speciosa subsp. occidentalis J. W. Kisling 1910-4-20 Siskiyou Edgewood Comment
  SEINET3145545  Phlox speciosa subsp. occidentalis G. D. Butler 1910-4-15 1175 Siskiyou Yreka Comment
  CDA40275  Phlox speciosa subsp. occidentalis T. C. Fuller 1958-4-16 4811 Siskiyou Giebner property, 4 miles south of Yreka. 0 Comment
  POM75065  Phlox speciosa subsp. occidentalis Geo D. Butler 1909-4-13 650 Siskiyou Near Yreka. Comment
  RSA104265  Phlox speciosa subsp. occidentalis Elizabeth Sprague 1956-6-3 s.n. Siskiyou 10 miles south of Yreka on Highway 99 Comment
  UC166047  Phoenicaulis cheiranthoides Geo. D. Butler 1910-5-7 1296 Siskiyou near Yreka Comment
  SEINET11998673  Phyllodoce empetriformis Unknown 1986-1 60401 Siskiyou Kangaroo Mountain, SW of Cook & Green Pass 1920 Comment
  CDA5830  Physalis longifolia T. C. Fuller, Don Shaw 1977-8-3 20221 Siskiyou South of Willow Creek Road, 10 km northeast of Montague. 0 Comment
  CAS-BOT-BC140595  Physocarpus capitatus A. A. Heller 1905-6-17 8057 Siskiyou On the banks of the upper Sacramento West/near of Sisson Comment
  CAS-BOT-BC140600  Physocarpus capitatus Carl B. Wolf 1927-8-26 1072 Siskiyou On the Klamath River, near Hamburg Comment
  RSA30435  Physocarpus capitatus A. A. Heller 1915-8-24 12205 Siskiyou Metcalf's ranch, northeast base of Mt. Eddy in moist soil in the forest. 1189 Comment
  UC1607597  Physocarpus capitatus Barbara Ertter 1990-7-14 9334 Siskiyou ca 4 airmiles w Shasta City (Wagon Creek e side of Mt Eddy) 1828 Comment
  CAS-BOT-BC78169  Picea breweriana J. G. Lemmon 1889-10-18 s.n. Siskiyou Siskiyou Mts., near Waldo Comment
  UC667969  Picea breweriana Joseph P. Tracy 1935-8-1 14417 Siskiyou in a cold cirque 1 mi e Salmon Summit Mine (head of creek); Knownothing Creek 1767 Comment
  UCD134305  Picea breweriana G. L. Stebbins 1963-7-5 s.n. Siskiyou Blake's Fork of South Russian Creek (a tributary of Salmon River), ca. 7 miles (airline) east of Sawyer's Bar, Salmon Mountains. 1615 Comment
  NY30092  Picea breweriana P. Bennett 1928-7-11 s.n. Siskiyou This specimen represents an endangered or threatened species. The specific locality has been removed from this record to protect this species from over-collection. These data may be supplied to researchers on request. Comment
  CAS-BOT-BC73394  Pinus albicaulis W. R. Dudley 1899-8-26 s.n. Siskiyou Near Mt. Eddy. Comment
  CAS-BOT-BC73396  Pinus albicaulis John Thomas Howell 1937-7-24 13436 Siskiyou Caribou Basin, Salmon-Trinity Alps 2286 Comment
  CAS-BOT-BC73397  Pinus albicaulis Peter H. Raven 1956-9-4 10416 Siskiyou On the summit of Mt. Eddy. 2758 Comment
  NY34644  Pinus attenuata C. G. Pringle 1881-8-17 s.n. Siskiyou This specimen represents an endangered or threatened species. The specific locality has been removed from this record to protect this species from over-collection. These data may be supplied to researchers on request. Comment
  CAS-BOT-BC78411  Pinus balfouriana J. M. Tucker; L. K. Mann; S. L. Holloway 1963-8-18 3769 Siskiyou southwestern ridge of Black Marble Mountain, Marble Mountain Wilderness Area 2133 Comment
  JEPS88719  Pinus balfouriana Gilbert Muth 1965-8-6 178 Siskiyou backside Black Mountain; Marble Mt. Wilderness Area, Black Mountain 2133 Comment
  UC688867  Pinus balfouriana William E. Ferguson 1942-8-28 Siskiyou sw quarter Etna Quadrangle; Lyon Lake, Etna Quad. 2133 Comment
  SBBG33719  Pinus balfouriana W. M. Plumb 1969-9-23 Siskiyou between Cory Pk and China Mtn 2133 Comment
  POM126999  Pinus jeffreyi A. A. Heller 1915-8-26 12252 Siskiyou Metcalf s Ranch at the foot of Mt. Eddy. 1189 Comment
  RSA184684  Pinus jeffreyi Gilbert Muth 1966-7-27 457 Siskiyou Marble Gap, Marble Mountains. 2043 Comment
  CAS-BOT-BC78951  Pinus monticola Louis C. Wheeler 1934-8-26 3222 Siskiyou Trapper Creek, Siskiyou Mts. 1859 Comment
  HSC69037  Pinus monticola Maralyn A. Renner 1980-8-7 2368 Siskiyou Ridge just E of saddle, S of Rattlesnake Meadow 1799 Comment
  HSC69239  Pinus monticola Maralyn A. Renner 1980-9-1 2706 Siskiyou S side of Devil's Punchbowl 1829 Comment
  HSC100207  Pinus sabiniana J. P. Smith, , J. O. Sawyer, & R. J. Cole 2011-5-22 13176 Siskiyou Along the road from Cecilville to Forks of Salmon. 640 Comment
  JEPS64472  Piperia unalascensis E. L. Greene 1876-1 Siskiyou near Yreka Comment
  RSA610184  Plagiobothrys greenei L. C. Wheeler 1935-6-27 3613 Siskiyou Greenview, Scott Valley. 884 Comment
  RSA610638  Plagiobothrys greenei L. C. Wheeler 1935-5-18 3496 Siskiyou Siskiyou Mountains; Yreka Creek (Mt. Diablo Mer.) 854 Comment
  UC163844  Plagiobothrys greenei Geo. D. Butler 1909-4-30 668 Siskiyou near Luk<?> Comment
  UC78224  Plagiobothrys hispidulus T. S. Brandegee July, 1889 Siskiyou Sisson's Comment
  UC618700  Plagiobothrys hispidus Ivan Johnston 1938-7-22 11350 Siskiyou Shasta Fir Forest, Sisson Southern TrailShasta Fir Forest Mount Shasta; , Shasta Fir Forest, Sisson Southern Trail Comment
  HSC82264  Plagiobothrys kingii Thomas W. Nelson, Jane P. Nelson 1980-7-5 5981 Siskiyou Fowler's Campground 1006 Comment
  RSA600381  Plantago eriopoda Louis C. Wheeler 1934-10-13 3321 Siskiyou Siskiyou Mountains: Mt. Diablo Mer.; Shasta River, 2 miles below Yreka Creek. 671 Comment
  CDA6617  Plantago major T. C. Fuller 1962-8-3 9509 Siskiyou Siskiyou Mountains: Gravel bar of Beaver Creek at the mouth of Raggedass Gulch, 5 miles north of the Klamath River. 0 Comment
  HSC22310  Platanthera dilatata var. leucostachys J. O. Sawyer 1969-7-26 1584 Siskiyou SE facing slope near S Sugar Creek 1700 Comment
  RSA0028277  Platanthera hyperborea Barbara Ertter 1990-7-14 9343 Siskiyou Wagon Creek on east side of Mt. Eddy, ca. 4 air miles west of Mt. Shasta City 1829 Comment
  UC618671  Platanthera leucostachys W. Bridge Cooke 1938-9-8 11672 Siskiyou Squaw Creek Meadows Mount Shasta 2286 Comment
  POM208201  Platanthera leucostachys Louis C. Wheeler 1934-6-18 2725 Siskiyou Cottonwood Creek, Siskiyou Mts. Mt. Diablo Mer. 1311 Comment
  RSA126343  Platanthera leucostachys I. L. Wiggins 1955-7-21 13439 Siskiyou Rush Creek Trail 2 mi. above Mt. View Ranch. 1098 Comment
  HSC27799  Platanthera sparsiflora J. D. Ackerman 1973-7-27 108 Siskiyou S Fork Sacramento River Comment
  HSC60787  Platanthera sparsiflora Ruby Van Deventer Siskiyou Bell Echo Camp in Youngs Valley Comment
  UC726466  Platanthera sparsiflora A. A. Heller 1919-6-29 13283 Siskiyou near Wagon Creek Falls Comment
  HSC68348  Plectritis ciliosa J. P. Smith 1973-5-5 6400 Siskiyou In and around the O'Neill Campground near Seiad Valley. 488 Comment
  UCSB22015  Plectritis congesta Smith, Dale 1968-5-10 Siskiyou Roadside, 6 miles north of Yreka Comment
  RSA22160  Poa J. T. Howell 1937-7-24 13403 Siskiyou Caribou Basin, Salmon-Trinity Alps. 1982 Comment
  UC1265484  Poa annua Frederick W. Oettinger 1969-8-24 1529 Siskiyou English Lake English Peak; Salmon Mts, High Lake Basins, Marble Mt Wilderness Area 1935 Comment
  UCD37077  Poa bolanderi Beecher Crampton 1956-8-21 3810 Siskiyou Siskiyou County, 15 miles southwest of city of Mount Shasta, slope above Gumboot Lake, headwater of south fork of Sacramento River. 1920 Comment
  UCD90546  Poa bolanderi A. A. Heller 1914-8-28 11736 Siskiyou East side of Mt. Eddy. 2438 Comment
  CAS-BOT-BC254990  Poa bulbosa J. H. Thomas 1954-5-14 4168 Siskiyou Salmon Mountains, Klamath National Forest. Near S Fork of Salmon River, 5-9 miles SE of Cecilville, along N side of river 1219 Comment
  UC450473  Poa bulbosa Morris Halperin 1931-4-28 325 Siskiyou near Yreka (Schulmeyer's (Geo. Gray's) Ranch) Comment
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May 9 2008
  UCR64614  Poa bulbosa L. C. Wheeler 1935-6-1 3536 Siskiyou Siskiyou Mtns., Yreka Creek [at Lime Gulch confluence] 854 Comment
  HSC10673  Poa compressa R. C. Wunner 1965-6-6 80 Siskiyou Lava Beds National Monument, 0.1 mi. on road to Caldwell Ice Cave. 1372 Comment
  HSC27349  Poa cusickii subsp. epilis J. P. Smith, Maralyn O'Meara, J. O. Sawyer 1972-7-3 5697 Siskiyou E slope of Kangaroo Mtn., above Toehead Lake. 1890 Comment
  CAS-BOT-BC247010  Poa nervosa Douglas Barbe 1955-8-1 331 Siskiyou Summit, Mt. Bolivar, Scott Mts. 2468 Comment
  CDA2359  Poa pratensis G. D. Barbe, J. T. Howell, T. C. Fuller 1980-5-2 2771 Siskiyou 2 miles (3.2 km) east of Callahan, at Hwy 3 bridge over East Fork Scott River. Comment
  HSC26622  Poa pratensis J. P. Smith, Steve Selva 1970-6-15 3953 Siskiyou 20 mi. E of Cecilville on the road to Callahan. 1646 Comment
  HSC58891  Poa pratensis Marvin Butler 1971-7-21 193 Siskiyou Near Bell Echo Camp, close to town of Cave Junction. 1433 Comment
  HSC73356  Poa pratensis Gail Newton 1980-6-20 448 Siskiyou Near Bald Mtn. 1097 Comment
  HSC92154  Poa pratensis Jennifer Whipple 1977-7-21 2011 Siskiyou Near Durney Lake 2073 Comment
  CAS-BOT-BC256016  Poa pratensis William M. Hiesey 1947-8-23 556 Siskiyou Klamath River along Highway 96, one mile west of Beaver Creek, 2 mi. N. of Walker 548 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
  HSC92155  Poa pringlei Jennifer Whipple 1977-7-20 1977 Siskiyou South face of Mt. Eddy. 2470 Comment
  CAS-BOT-BC237714  Poa secunda E. K. Balls 1950-5-17 14716 Siskiyou 1.5 miles NW of Schonchin Butte (along road to Merrill, Oregon) Lava Beds National Monument 1402 Comment
  POM215748  Poa secunda L. C. Wheeler 1934-8-9 3076 Siskiyou Head of Jaynes Canyon. Siskiyou Mts. (Mt. Diablo Mer.) 1921 Comment
  RSA239018  Poa secunda Frederick W. Oettinger 1969-9-2 1594 Siskiyou north side of English Peak. Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2165 Comment
  UCD91676  Poa secunda A. A. Heller 1921-7-17 13579 Siskiyou Toward the head of Wagon Creek, Mt. Eddy. 2286 Comment
  CAS-BOT-BC243228  Poa secunda subsp. secunda Geo. D. Butler 1910-5-6 1294 Siskiyou Near Yreka Comment
  CAS-BOT-BC482452  Poa secunda subsp. secunda Dana York 2011-8-13 3062 Siskiyou Marble Mountain Wilderness, Klamath National Forest, slopes of Black Marble Mountain 2110 Comment
  HSC30663  Poa secunda subsp. secunda Frederick W. Oettinger 1969-9-2 1606 Siskiyou Marble Mtn. Wilderness Area, N side of English Peak. 2165 Comment
  HSC30664  Poa secunda subsp. secunda Frederick W. Oettinger, R. F. Thorne 1969-8-6 1231 Siskiyou Marble Mtn. Wilderness Area, S of Pine Lake on the face of a steep cliff, between crevices. 1921 Comment
  HSC65435  Poa secunda subsp. secunda J. P. Smith 1973-5-5 6437 Siskiyou Along Cook and Green Pass Rd. Comment
  JEPS91171  Polemonium eddyense Dean W. Taylor 1988-7-10 9962 Siskiyou Summit of Mt. Eddy ridge 2750 Comment
  CDA40273  Polemonium micranthum G. D. Barbe, J. T. Howell, T. C. Fuller 1980-4-28 2579 Siskiyou Grenada, around abandoned railroad station building and tracks. Comment
  CAS-BOT-BC231349  Polemonium pulcherrimum Marion Ownbey; Fred G. Meyer 1940-7-4 2186 Siskiyou On ridge above head of Brewer Creek, East side of Mt. Shasta Comment
  CAS-BOT-BC231306  Polemonium pulcherrimum F. D. Douthitt 1923-7-12 11 Siskiyou Klamath National Forest, Dry Lake Mt. 2133 Comment
  POM365428  Polemonium pulcherrimum L. C. Wheeler 1934-8-9 3081 Siskiyou Head of Jaynes Canyon. Siskiyou Mts. (Mt. Diablo Mer.) 1921 Comment
  SEINET1004842  Polygala cornuta var. cornuta Marion Ownbey 1940-1 2164 Siskiyou 7 miles northwest of McCloud. Comment
  SEINET10885041  Polygala cornuta var. cornuta Karen M. Meyer, Andrew Townesmith 2007-7-31 Meyer 177 Siskiyou Shasta-Trinity National Forest. 6.2 on NF Rd. 17, off US Hwy. 97. 1350 Comment
  UC137876  Polygala cornuta var. cornuta Wm. M. Canby 1897-9-7 17 Siskiyou Mt. Shasta Comment
  UC725828  Polygonum A. A. Heller 1925-7-25 13901 Siskiyou Shasta Valley near Edgewood; Shasta Valley Comment
  RSA11904  Polygonum amphibium var. stipulaceum Elmer I. Applegate 1923-8-19 3892 Siskiyou Medicine Lake Comment
  UC144332  Polygonum bistortoides E. B. Copeland 1903-4-7 3854 Siskiyou Mt. Eddy Comment
  CDA22762  Polygonum bistortoides T. C. Fuller 1962-6-13 8995 Siskiyou South side of Highway 89 to Lake Britton, 0.5 mile east of Bartle. 0 Comment
  UC375154  Polygonum californicum Geo. D. Butler 1908-7-23 192 Siskiyou dry land near Yreka Comment
  UCR64597  Polygonum californicum L. C. Wheeler 1934-6-21 2747 Siskiyou West Fork Cottonwood Creek, Siskiyou Mtns 1006 Comment
  JEPS50534  Polygonum davisiae Chesnut and Drew 1890-1 Siskiyou Mt. Shasta and Lassen's Peak Trip Comment
  SEINET3160402  Polygonum davisiae M. S. Baker sn Siskiyou Mt. Shasta; Ash Creek above Warren & Anderson's Mill Comment
  HSC78330  Polygonum douglasii L. P. Janeway 1983-8-16 540 Siskiyou Poker Flat 1524 Comment
  JEPS69757  Polygonum douglasii W. B. and V. G. Cooke 1972-6-30 45414 Siskiyou Military Pass Rd. above Andesite crossing; Mt. Shasta 1524 Comment
  UCD77951  Polygonum douglasii Robert E. Preston 2001-7-21 1752 Siskiyou Klamath National Forest, north slope of Rainbow Mountain, T42N R1W se 1/4 Section 15 1767 Comment
  CAS-BOT-BC414598  Polygonum douglasii Louis C. Wheeler 1934-7-3 2860 Siskiyou Klamath National Forest. Soda Creek 1676 Comment
  RSA33410  Polygonum douglasii Doris K. Kildale 1925-9-6 1282 Siskiyou Somes Bar. Comment
  JEPS49633  Polygonum douglasii subsp. douglasii Louis C. Wheeler 1935-7-26 3700 Siskiyou Jaynes Canyon Siskiyou Mts. 1950 Comment
  UC1191239  Polygonum douglasii subsp. douglasii Herbert L. Mason 1948-7-18 13622 Siskiyou Grass Lake Comment
  UC375153  Polygonum douglasii subsp. spergulariiforme Geo. D. Butler 1909-5-25 719 Siskiyou hill near Yreka Comment
  RSA96964  Polygonum douglasii subsp. spergulariiforme Percy C. Everett, E. K. Balls 1954-10-13 20278 Siskiyou Chiefly along roadside, Seiad Creek, road to Kangaroo Mt, 6.7 miles NE from Hwy 96. 701 Comment
  JEPS50626  Polygonum lapathifolium Geo. D. Butler 1908-7-16 196 Siskiyou near Yreka (along creek); Butler's Ranch Comment
  JEPS24027  Polygonum minimum Rimo Bacigalupi with Drs. Reino and Aloha Alava 1958-9-3 6890 Siskiyou Poker Flat Siskiyou Mountains 1536 Comment
  CAS-BOT-BC418591  Polygonum minimum Doris K. Kildale 1930-8-24 9051 a Siskiyou Rattlesnake Meadow, trail to Preston Peak 1676 Comment
  CAS-BOT-BC420072  Polygonum polygaloides subsp. kelloggii A. A. Heller 1922-7-15 13713 Siskiyou At Medicine Lake 2133 Comment
  JEPS91059  Polygonum polygaloides subsp. kelloggii Dean Wm. Taylor with Rexford E. Palmer 1988-6-23 9862 Siskiyou 4 mi n of Timbered Crater (1 mi se of Adobe Flat, Modoc Plateau); Modoc Plateau 1097 Comment
  UC1023733  Polygonum polygaloides subsp. kelloggii W. Bridge Cooke 1941-7-18 16063 Siskiyou along Wagon Camp-Bear Springs road Mount Shasta Comment
  UC850369  Polygonum sawatchense subsp. sawatchense A. A. Heller 1916-6-20 12403 Siskiyou Metcalf's Ranch Mt. Eddy (ne base of mt.) 1188 Comment
  JEPS50591  Polygonum shastense W. L. Jepson 1894-8-4 14806 Siskiyou Snow Line Mt. Shasta Comment
  JEPS50594  Polygonum shastense W. L. Jepson 1894-8-4 14784 Siskiyou Horse Camp Mt. Shasta, Snow Line Comment
  SBBG21888  Polygonum shastense D. Myrick 1964-7-25 968 Siskiyou Panther Meadows below Ski Bowl Lodge, Mt Shasta 2346 Comment
  UC618626  Polygonum shastense W. Bridge Cooke 1938-8-18 11496 Siskiyou Horse Camp Slopes Mount Shasta Comment
  UC77393  Polygonum shastense Dr. E. B. Copeland 1903-8-16 3892 Siskiyou Mt. Shasta 2438 Comment
  CAS-BOT-BC421064  Polygonum spergulariiforme G. P. Rixford No date on label s.n. Siskiyou South side, Shaft-rock [Shaft Rock] Mt., Hilt Comment
  CAS-BOT-BC421074  Polygonum spergulariiforme Louis C. Wheeler 1934-9-26 3303 Siskiyou Lumgrey Creek, Siskiyou Mts. 1005 Comment
  POM212874  Polygonum spergulariiforme Louis C. Wheeler 1934-9-26 3303 Siskiyou Lumgrey Creek, Siskiyou Mts 1006 Comment
  CAS-BOT-BC237391  Polypogon monspeliensis L. E. Smith 1914-8-1 s.n. Siskiyou Yreka Comment
  HSC25462  Polystichum imbricans J. P. Smith, J. O. Sawyer, Maralyn O'Meara 1972-7-3 5658 Siskiyou Ridge E of Cook and Green Pass. 1524 Comment
  RSA237506  Polystichum imbricans Frederick W. Oettinger 1968-9-1 657 Siskiyou Just SSW of Abbot's Lake. Salmon Mtns. High Lake Basins in the vicinity of English Peak. Marble Mountain Wildernes Area. 1799 Comment
  CHSC99998  Polystichum lemmonii L. P. Janeway 2008-7-25 9495 Siskiyou Klamath Ranges. Siskiyou Mountains; rock wall at head of Hello Canyon, 0.6 air km east of Kangaroo Mountain. 1817 Comment
  UC338378  Polystichum lemmonii unknown Siskiyou Mt. Eddy near Shasta Mt. Eddy Comment
  POM120351  Polystichum lemmonii Geo D. Butler 1910-7-12 1756 Siskiyou Shackleford Creek 1372 Comment
  POM197154  Polystichum lemmonii J. G. Lemmon 1889-09 s.n. Siskiyou Mt. Eddy Comment
  JEPS100527  Polystichum lonchitis Dean Wm. Taylor with Glenn L. Clifton 1996-7-26 15859 Siskiyou Cliff Lake, The Eddys (about 15 air miles southwest of Weed); Shasta-Trinity National Forest 1920 Comment
  JEPS84113  Polystichum lonchitis L. R. Heckard with S. D'Alcamo, J. Hickman, S. Winchester 1986-7-16 6417 Siskiyou ca. 5 mi. n. town of Seiad Valley (e. slope of Kangaroo Mt., cirque at head of Hell's Canyon); Kangaroo Mt., Hell's Canyon 1828 Comment
  SBBG19505  Polystichum lonchitis L. L. Kiefer 1963-8-9 732 Siskiyou Castle Lake, rocks at S end of lake 2133 Comment
  HSC19902  Populus tremuloides R. C. Wunner 1965-7-13 384 Siskiyou Lava Beds National Monument, Indian Well prefab near maintenance area 1433 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
  HSC29381  Potentilla breweri Frederick W. Oettinger 1968-8-12 498 Siskiyou Salmon Mountains, Tobacco Lake Trail 1890 Comment
  HSC99681  Potentilla breweri G. L. Clifton 1979-7-1 6187 Siskiyou Near Poker Flat, close to the town of Happy Camp 1538 Comment
  RSA237619  Potentilla drummondii Frederick W. Oettinger 1967-7-26 188 Siskiyou Stream bank just below Tom Taylor Cabin Spring. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2049 Comment
  HSC66  Potentilla flabellifolia William J. Ferlatte 1967-7-25 732 Siskiyou Caribou Basin 1982 Comment
  HSC96322  Potentilla flabellifolia Gordon Leppig, Tony LaBanca, Leonel Arguello 1997-6-27 470 Siskiyou Russian Wilderness, cirque W of Little Duck Lake 2200 Comment
  UC1409358  Potentilla flabellifolia Frederick W. Oettinger 1968-9-5 718 Siskiyou se side Hancock Lake (High Lake Basins in the vicinity of English Peak, w Siskiyou County); Salmon Mountains, Marble Mountain Wilderness Area, English P 1889 Comment
  RSA68942  Potentilla glandulosa subsp. ashlandica A. E. Culbertson 1943-7-7 16 Siskiyou Castle Lake, in a N facing cirque with an abrupt 1000' backwall; 14 miles SW of Mt. Shasta on N side of 6600' eastern spur of Trinity Mts. 2000' above Sacramento R. within 10 air miles of its headwaters to the W. 1657 Comment
  UC164062  Potentilla gracilis var. gracilis Geo. D. Butler 1910-5-28 1419 Siskiyou Shasta Valley Comment
  UC545655  Potentilla millefolia Alice Eastwood, John Thomas Howell 1934-4-20 1781 Siskiyou Gazelle Comment
  CAS-BOT-BC64622  Primula suffrutescens John Thomas Howell 1937-7-25 13511 Siskiyou Summit between Caribou Basin and Start Fork of Trinity River. 2225 Comment
  HSC44891  Prosartes hookeri Maralyn O'Meara 1974-5-25 407 Siskiyou Along road to Duck Lakes trail 1402 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
  RSA68936  Prunella vulgaris var. lanceolata A. E. Culbertson 1943-7-17 22 Siskiyou Near Forest Service Camp Grd. about a mile downstream from Castle Lake on road to town of Shasta; on north slope of a 6600 eastern spur of Trinity Mts. and 1500 above Sacramento R., within 9 air miles of its headwaters to the west., Mt. Shasta 13 miles to NE 1524 Comment
  CAS-BOT-BC158209  Prunus emarginata Wm. Bridge Cooke 1938-7-22 11318 Siskiyou Sisson Southern Trail Comment
  CAS-BOT-BC158239  Prunus emarginata A. A. Heller 1905-6-16 8045 Siskiyou Back of Sisson on the Mt. Shasta trail 1371 Comment
  RSA211470  Prunus emarginata William J. Ferlatte 1966-6-22 123 Siskiyou Yellow Rose Mine. 1982 Comment
  SD76177  Prunus emarginata Helen Witham 1969-10-9 601 Siskiyou One mile above pine plantation. Thicket beside road at 5000ft. Sign 1500 Comment
  UC154511  Prunus emarginata Harley P. Chandler June, 1901 1603 Siskiyou near Marble Mountain (Klamath River to Marole Mountain); North Coast Range 1828 Comment
  UCD113449  Prunus emarginata John M. Tucker 1963-7-7 3711 Siskiyou in vicinity of Paradise Lake, at base on east side of Kings Castle, Marble Mountain Wilderness Area. 1981 Comment
  CAS-BOT-BC154678  Prunus subcordata Wm. Bridge Cooke 1938-8-5 11437 Siskiyou [MacBride] McBride Spring Road Comment
  CAS-BOT-BC151237  Prunus virginiana var. demissa John Thomas Howell 1934-7-4 12407 Siskiyou Se. corner of Siskiyou Co. Comment
  CAS-BOT-BC151243  Prunus virginiana var. demissa Elmer I. Applegate 1935-6-10 9483 Siskiyou Caldwell Butte, Lave Beds National Monument Comment
  UC144437  Prunus virginiana var. demissa A. A. Heller 1905-6-9 8004 Siskiyou Yreka Comment
  UC454998  Prunus virginiana var. demissa I. J. Condit 1911-7-13 Siskiyou Dunsmuir Comment
  CAS-BOT-BC357394  Pseudognaphalium microcephalum Wm. Bridge Cooke 1938-8-5 11452 Siskiyou Mount Shasta. Near MacBride Spring Comment
  CAS-BOT-BC239817  Pseudoroegneria spicata Elmer I. Applegate 1935-6-8 9433 Siskiyou Bear Paw [Bearpaw] Cave, Lava Beds National Monument Comment
  UC1185304  Pseudostellaria jamesiana H. E. Brown 1897-6-10 Siskiyou near Sisson; near Sisson 1083 Comment
  RSA49964  Pseudostellaria jamesiana E. K. Balls 1949-7-8 13897 Siskiyou Trail to Carmel Lake from Scott Mountain Camp, Scott Mtn. 1753 Comment
  SEINET5337037  Pseudostellaria jamesiana G. Butler 1910-6-4 1493 Siskiyou Shackleford Creek. Comment
  HSC92199  Pterospora andromedea Jennifer Whipple 1976-9-3 1766 Siskiyou Wagon Creek drainage on the E face of Mount Eddy 2256 Comment
  UC84466  Pterospora andromedea Katharine Brandegee July 1887 Siskiyou Sisson's Comment
  RSA12567  Pterospora andromedea C. B. Wolf 1934-7-6 6019 Siskiyou SW side of Mt. Shasta, about 4 mi. N.W. of Wagon Camp. 1524 Comment
  RSA240082  Pterospora andromedea Frederick W. Oettinger 1969-8-21 1482 Siskiyou Near where trail to Cold Springs heads out of English Lake Basin. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1524 Comment
  UCD91896  Puccinellia lemmonii Mr. Roseman 1913-1 19 Siskiyou Butte Valley. Comment
  CDA26232  Purshia tridentata T. C. Fuller 1962-6-11 8951 Siskiyou East side of Highway 99 to Mt. Shasta City, 1.3 miles south of Black Butte Summit. 0 Comment
  UCD77969  Purshia tridentata Robert E. Preston 2002-6-20 1839 Siskiyou Rainbow Mountain and Vicinity. Klamath National Forest, Rainbow Mountain. 1946 Comment
  CAS-BOT-BC147914  Purshia tridentata var. tridentata Ellsworth Bethel 1923-5-22 s.n. Siskiyou McCloud Comment
  JEPS26519  Pyrola aphylla Lauramay T. Dempster 1961-7-1 1848 Siskiyou Mill Creek near Etna 1219 Comment
  CAS-BOT-BC460866  Pyrola aphylla Geo. D. Butler 1910-6-17 1575 Siskiyou Humbug Mountain 1219 Comment
  CAS-BOT-BC460869  Pyrola aphylla Alice Eastwood 1923-5-27 11949 Siskiyou Shasta Springs Comment
  RSA0082801  Pyrola aphylla Geo D. Butler 1910-6-17 1575 Siskiyou Humbug Mountain. 1220 Comment
  SBBG30606  Pyrola asarifolia D. Myrick 1968-6-28 2054 Siskiyou Mountain Meadow Ranch, Big Flat, head of Coffee Crk, Trinity Alps 1524 Comment
  HSC73213  Pyrola dentata Gail Newton 1980-6-20 501 Siskiyou Near Bald Mtn. 250 Comment
  RSA0080478  Pyrola dentata R. F. Thorne 1969-8-2 63391 Siskiyou Klamath National Forest, Salmon Mountains: Marble Mtn Wilderness, along trail to English Peak. 1159 Comment
  SEINET7257268  Pyrola minor W. Roderick, D. Parker 1967-7-27 s.n. Siskiyou South of Etna 1676 Comment
  CHSC71579  Pyrola picta Vernon H. Oswald; Lowell Ahart 1998-8-3 9432 Siskiyou Near the Pacific Crest Trail in the Scott Mtns. west of Kangaroo Lake. 1981 Comment
  SEINET185058  Pyrola picta Unknown 1939-7-8 5301 Siskiyou Ca. 15 miles north of Happy Camp on Happy Camp-Takilma Hiway 914 Comment
  UC1034576  Pyrola picta Douglas Barbe 1955-7-26 269 Siskiyou Klamath Mountains, on nw slope of Scott Mountain Scott Mountain; Klamath Mountains, Scott Mountain 1828 Comment
  JEPS84286  Quercus L. R. Heckard with R. Raiche, S. Winchester 1986-7-17 6486 Siskiyou e of Cook and Green Pass (ridge w of summit of Copper Butte) 1767 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
  RSA13724  Quercus garryana Louis C. Wheeler 1934-10-7 3312 Siskiyou Siskiyou County: Oak Knoll Ranger Station, Klamath River, Siskiyou Mtn. 671 Comment
  CDA21914  Quercus garryana E. Hale 1983-10-24 Siskiyou Guy s Gulch near Yreka. Comment
  POM267245  Quercus garryana var. breweri Marion Ownbey, Fred G. Meyer 1940-7-8 2229 Siskiyou Summit of Siskiyou Mountains, 21 miles north of Happy Camp. Comment
  CAS-BOT-BC105467  Quercus kelloggii Lewis S. Rose 1925-7-12 s.n. Siskiyou Shasta Springs Comment
  RSA748771  Quercus kelloggii K. M. Meyer, A. Townesmith 2007-8-4 190 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
  UCD46670  Quercus kelloggii J. M. Tucker 1948-8-3 1773 Siskiyou Ca. 0.6 mile west of Happy Camp, Siskiyou County, California. 335 Comment
  SFV5163  Quercus lobata B. C. Templeton 1960-6-21 8533 Siskiyou Between the agricultural Experiment Station and the California state line._x000B_Grassy hillside. Comment
  CAS-BOT-BC104356  Quercus sadleriana W. J. Ferlatte 1988-8-24 2118 Siskiyou near Des Moines Cr. on road 18N30, 0.1 miles from road to O'Brien; 17 miles N of Happy Camp 1066 Comment
  CAS-BOT-BC104359  Quercus sadleriana C. L. Hitchcock; J. S. Martin 1939-7-6 5221 Siskiyou on Takilma - Happy Camp Road 1676 Comment
  HSC99825  Quercus sadleriana G. L. Clifton, Griswold 1979-6-28 6142 Siskiyou Near Upper Devils Peak, close to the town of Seiad Valley 1738 Comment
  RSA183494  Quercus sadleriana Sandra Holloway 1963-10-12 77 Siskiyou Junction Red Rock Valley trail and Canyon Creek trail, Marble Mountain Wilderness Area. 1341 Comment
  RSA573407  Quercus sadleriana Louis C. Wheeler 1934-8-6 3048 Siskiyou Jaynes Canyon, Siskiyou Mountains. 1860 Comment
  SFV17814  Quercus sadleriana J. M. Tucker 1972-8-8 4247 B Siskiyou Marble Mountains Marble Mountains. Trail from Whiskey Camp to Elk Peak, about 2.5 miles west-southwest of Marble Valley Guard Station. 1829 Comment
  CAS-BOT-BC104624  Quercus vacciniifolia A. A. Heller 1914-8-28 11728 Siskiyou East side of Mt. Eddy 1676 Comment
  HSC12267  Raillardella pringlei Richard Spjut 1970-7-17 445 Siskiyou 16 mi. W of Mt. Shasta at Gumboot Lake 1829 Comment
  JEPS90106  Raillardella pringlei Glenn L. Clifton 1992-9-11 27384 Siskiyou Gumboot Creek North Coast Ranges (headwaters of South Fork Sacramento River, (Seven Lakes Basin 7 1/2' quadrangle) 1905 Comment
  POM147915  Raillardella pringlei J. B. Feudge 1927-7-24 1818 Siskiyou Along trail, Mt Shasta City to Mt. Eddy. 1677 Comment
  UC52256  Ranunculus aquatilis var. capillaceus W. T. Mooney May 1903 Siskiyou Yreka Comment
  RSA183667  Ranunculus eschscholtzii var. suksdorfii Gilbert Muth 1965-8-6 183 Siskiyou Marble Mountains; backside of Black Mountain Comment
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May 28 2009
  UC375274  Ranunculus flammula Geo. D. Butler 1908-8-3 350 Siskiyou Shackleford Creek Long Lake Comment
  UC375275  Ranunculus flammula Geo. D. Butler 1908-8-10 356 Siskiyou waterhole above Log Lake (Shackleford Creek); Shackleford Creek 1524 Comment
  UC375273  Ranunculus occidentalis Geo. D. Butler 1908-6-28 362 Siskiyou near Oro Fino Comment
  POM99425  Ranunculus occidentalis var. eisenii Geo. D. Butler 1908-6-28 362 Siskiyou Siskiyou county: Meadow near Oro Fino Comment
  POM99364  Ranunculus occidentalis var. ultramontanus Edward Palmer 1892-7-13 2499 Siskiyou Mount Shasta and vicinity Comment
  RSA49963  Ranunculus orthorhynchus E. K. Balls 1949-7-8 13898 Siskiyou Trail to Carmen Lake from Scott Mountain Camp, Scott Mt. 1707 Comment
  HSC599  Ranunculus orthorhynchus var. orthorhynchus William J. Ferlatte 1967-6-6 498 Siskiyou Along S Fork of Salmon River between campground and Carter's 1524 Comment
  SBBG2272  Ranunculus repens H. and M. Dearing 1939-7-2 3794 Siskiyou near Etna Comment
  RSA269271  Ranunculus testiculatus T. C. Fuller 1970-3-24 s.n. Siskiyou Juvenile Hall, S of jct of Annie and State Street, Yreka Comment
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Mar 20 2011
  UC1333320  Ranunculus uncinatus Dorothy Parker 1949-5-26 Siskiyou near Wildcat Creek; Salmon Mountains Range 1188 Comment
  RSA13287  Rhamnus californica subsp. occidentalis Doris K. Kildale 1929-7-20 8655 Siskiyou Trail up S Fork of Indian Creek, near Eek Lick. 1524 Comment
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Jan 25 2013
  RSA30439  Rhamnus californica subsp. occidentalis A. A. Heller 1915-8-26 12245 Siskiyou Wagon Creek at the foot of Mt. Eddy. 1128 Comment
  CAS-BOT-BC56114  Rhamnus ilicifolia L. E. Detling 1950-6-10 6620 Siskiyou Shasta R. Canyon, nr. Dry Gulch 777 Comment
  RSA0005516  Rhamnus obtusissima E. B. Copeland 1903-8-15 3833 Siskiyou Sisson 1098 Comment
  RSA12076  Rhamnus purshiana Louis C. Wheeler 1934-11-7 3360 Siskiyou Siskiyou Mountains: Gottville, Klamath River. 567 Comment
  UC60946  Rhamnus purshiana Geo. B. Grant Sep 1902 5256 Siskiyou Dunsmuir Mount Shasta 609 Comment
  RSA697559  Rhododendron macrophyllum Leo Miller 1938-07 s.n. Siskiyou Siskiyou, Mountains. 915 Comment
  RSA659525  Rhododendron occidentale Gary D. Wallace 1990-7-1 2952 Siskiyou Trinity Mountains: SW of Shasta City, Cedar Basin Research Area. 1828 Comment
  CAS-BOT-BC199742  Rhododendron occidentale var. paludosum Alice Eastwood 1923-5-29 11993 Siskiyou Shasta Springs Comment
  HSC58864  Rhododendron occidentale var. paludosum Marvin Butler 1971-7-16 145 Siskiyou Near El Capitan Lake, close to the town of Cave Junction 1524 Comment
  HSC41074  Rhus aromatica J. O. Sawyer 1970-3-4 2077 Siskiyou N of Idlewild Campground. 762 Comment
  CDA35348  Rhus trilobata Vernon H. Oswald & Lowell Ahart 1998-6-11 9173 Siskiyou Shasta National Forest plantation on the west side of Hwy. 97 2.2 miles northeast of Lake Shastina-Big Springs Rd., northeast of Weed. Comment
  CAS-BOT-BC92405  Ribes aureum var. aureum Doris K. Kildale 1929-3-11 7762 Siskiyou Klamath River at Hornbrook. Comment
  CAS-BOT-BC92409  Ribes aureum var. aureum Geo. D. Butler 1910-4-19 1203 Siskiyou Yreka Creek. Comment
  HSC100865  Ribes binominatum J. P. Smith, J. O. Sawyer, R. J. Cole 2010-8-7 13061 Siskiyou Klamath National Forest, road to Crater Lake off Forest Service Road 40N24. 2003 Comment
  CAS-BOT-BC108774  Ribes cereum Elmer I. Applegate 1935-6-2 9266 Siskiyou Indian Well, Lava Beds National Monument. Comment
  CHSC69079  Ribes cereum var. cereum Vernon H. Oswald; Lowell Ahart 1997-7-28 8802 Siskiyou Forest Route 15 near Grasshopper Flat, 3.9 mi south of Medicine Lake Road. 1700 Comment
  SFV18029  Ribes cereum var. cereum J. A. Matos, D. C. Rudolph 1999-8-7 s. n. Siskiyou 2 miles south of Lava Beds National Monument on Lava Beds National Monument Road. 1738 Comment
  LA205436  Ribes divaricatum var. parishii Wm. Bridge Cooke; 1939-7-21 13702 Siskiyou Mt. Shasta, in the vicinity of the outlet of the Municipal Spring above Howard Comment
  JEPS49411  Ribes inerme var. klamathense W. L. Jepson July, 1894 13509 Siskiyou Sisson Comment
  RSA0021095  Ribes inerme var. klamathense G. D. Barbe 1955-6-29 42 Siskiyou 1.8 miles east of Callahan, south bank of Scott River. 976 Comment
  CAS-BOT-BC173295  Ribes lacustre John Thomas Howell; Gordon H. True 1972-6-8 48858 Siskiyou South of summit on road from Takilma to Happy Camp Comment
  CAS-BOT-BC173387  Ribes lobbii T. H. Harris 1951-6-1 s.n. Siskiyou Happy Camp 1676 Comment
  CAS-BOT-BC173394  Ribes lobbii Geo. D. Butler 1910-7-14 1782 Siskiyou Shackleford Creek Comment
  HSC45029  Ribes lobbii Maralyn O'Meara 1974-5-25 400 Siskiyou Along road to Duck Lakes trail 1402 Comment
  HSC47617  Ribes lobbii J. P. Smith 1977-5-15 9072 Siskiyou The road leading through International Paper property to the Duck Lakes trailheads 1524 Comment
  SEINET3151805  Ribes lobbii G. D. Butler 1910-5-30 1442 Siskiyou Humbug Creek Comment
  RSA0021629  Ribes lobbii M. B. Dunkle 1944-7-18 9151 Siskiyou Siskiyou National Forest Comment
  HSC29426  Ribes marshallii Frederick W. Oettinger 1969-7-9 935 Siskiyou Vicinity of English Peak, Marble Mountain Wilderness Area; NW of Upper English Lake 1921 Comment
  CAS-BOT-BC219266  Ribes nevadense A. A. Heller 1905-6-16 8047 Siskiyou Sisson Comment
  CAS-BOT-BC219269  Ribes nevadense Alice Eastwood 1923-5-23 11909 Siskiyou Near Shasta Springs Comment
  CHSC1664  Ribes roezlii M. Yoder 1941-6-28 Siskiyou Castle Lake. 1981 Comment
  UC1181812  Ribes roezlii Dorothy Parker 1950-4-23 404 Siskiyou near Etna Creek; Siskiyou Mountains, Salmon Mountain Range 914 Comment
  UC166612  Ribes roezlii var. cruentum Geo. D. Butler 1909-5-31 780 Siskiyou Humbug Creek Comment
  CAS-BOT-BC186293  Ribes roezlii var. roezlii Ira L. Wiggins 1950-5-28 12374 Siskiyou Above Grouse Creek, about 1.5 miles from Carmen Lake 1584 Comment
  HSC73292  Ribes sanguineum Gail Newton 1980-6-20 508 Siskiyou Near Bald Mtn. 1097 Comment
  RSA0019538  Ribes sanguineum J. P. Smith 1974-5-25 7445 Siskiyou Near junction of Road 8 and French Creek Road. 1280 Comment
  CAS-BOT-BC173902  Ribes velutinum Doris K. Kildale 1929-6-25 8369 Siskiyou 6 miles north of Hornbrook on Klamath River 609 Comment
  UC165745  Ribes velutinum Geo. D. Butler 1910-5-8 1308 Siskiyou near Yreka Comment
  UC375357  Ribes velutinum Geo. D. Butler 1909-3-28 576 Siskiyou near Yreka Comment
  RSA0019712  Ribes velutinum Robert F. Thorne, James Henrickson, C. W. Tilforth 1969-9-3 39015 Siskiyou Lava Beds National Monument, near Fleener Chimneys. 1524 Comment
  UC165744  Ribes velutinum Geo. D. Butler 1910-5-21 1374 Siskiyou Klamath Rim Comment
  CAS-BOT-BC168805  Ribes viscosissimum L. E. Smith 1913-1-1 s.n. Siskiyou Mt. Shasta Comment
  CAS-BOT-BC168810  Ribes viscosissimum John Thomas Howell 1939-8-2 14923 Siskiyou Spirit Lake, Marble Mts. 1828 Comment
  CHSC1669  Ribes viscosissimum M. Yoder 1941-6-6 Siskiyou Castle Lake. 1981 Comment
  UC75457  Ribes viscosissimum Milo S. Baker 1899-7-31 Siskiyou Ash Creek, e slope of Mt. Shasta Mt. Shasta Comment
  SEINET13942855 Image available Ribes viscosissimum W. M. Bridge Cooke 1941-1 16047 Siskiyou along the Sisson Southern Trail in creeks and fir woods, Mt. Shasta elev 5500 Comment
  UCSC000807  Rigiopappus leptocladus Unknown 1889-6-27 s.n. Siskiyou Edgewood Comment
  CDA16168  Robinia pseudoacacia G. F. Hrusa, T. D. Wilfred 1999-5-31 15067 Siskiyou Klamath Ranges; E side of I-5 at Klamath R. rest area +- 10 mi N of Yreka 640 Comment
  HSC61948  Romanzoffia californica Ruby Van Deventer 10 May [year missing] Siskiyou Poker Flat 1585 Comment
  JEPS109873  Rorippa columbiae Dean W. Taylor 2005-7-13 19395 Siskiyou Dry Lake (ca 9 air miles N of Bartle on Highway 89); growing on USFS Road D that crosses the flat 0.2 road miles E of the Volcanic Scenic Byway 1402 Comment
  HSC74818  Rorippa curvisiliqua J. P. Smith, J. O. Sawyer 1978-7-3 9998 Siskiyou Klamath National Forest, Williams Point along the Klamath River, S of Hwy. 96 Comment
  NY345434  Rosa brownii H. E. Brown 1897-6-11 349 Siskiyou North Side, Mt. Shasta 1524 Comment
  POM88252  Rosa californica Geo. D. Butler 1909-9-26 973 Siskiyou Yreka Creek. Comment
  CAS-BOT-BC146737  Rosa gymnocarpa Gilbert Muth 1966-7-29 466 Siskiyou Marble Valley, Marble Mts. 1828 Comment
  CAS-BOT-BC146743  Rosa gymnocarpa Alice Eastwood 1912-7-23 1321 Siskiyou Dunsmuir Comment
  CAS-BOT-BC146751  Rosa gymnocarpa A. M. Vollmer; L. Beane 1951-6-2 52 Siskiyou Road between Streamline Lodge and Deer Camp, north of Klamath River Highway Comment
  CAS-BOT-BC146763  Rosa gymnocarpa Ira L. Wiggins 1955-7-23 13476 Siskiyou Banks of China Creek 1097 Comment
  HSC19381  Rosa gymnocarpa J. O. Sawyer 1968-6-25 346 Siskiyou Along Horse Range Creek 1646 Comment
  POM140328  Rosa gymnocarpa E. B. Copeland 1903-9-5 3874 Siskiyou Foot of Mt Eddy 1220 Comment
  RSA237791  Rosa gymnocarpa Frederick W. Oettinger 1967-7-30 223 Siskiyou Outlet stream N end of Abbotts Lake, about 200 yards down from the lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1768 Comment
  RSA50227  Rosa gymnocarpa E. K. Balls 1949-7-9 13934 Siskiyou 8.3 miles from Etna on road to Sawyer's Bar. 1006 Comment
  SEINET3157438  Rosa gymnocarpa G. D. Butler 1910-8-7 1816 Siskiyou Humbry Mt. 1219 Comment
  SJSU6062  Rosa gymnocarpa R. W. Trivelpiece 1971-6-18 13 Siskiyou Little S Fork Salmon R c. 3 mi S of Cecilville, Salmon R Mts 609 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
  UC1409338  Rosa pisocarpa subsp. ahartii Frederick W. Oettinger 1969-8-16 1408 Siskiyou near English Lake; Salmon Mountains, Marble Mountain Wilderness Area 1798 Comment
  CAS-BOT-BC148189  Rosa rubiginosa Geo. D. Butler 1910-7-31 1802 Siskiyou Dry land near Yreka Comment
  CAS-BOT-BC149741  Rosa woodsii subsp. ultramontana Lewis S. Rose 1945-6-18 45136 Siskiyou Horse Creek & Klamath River 502 Comment
  HSC36468  Rubus leucodermis J. O. Sawyer 1969-7-11 849 Siskiyou Ravine above C.C.C. road. 1280 Comment
  HSC99666  Rubus leucodermis C. B. Wolf 1927-8-27 1134 Siskiyou Mouth of Crawford Creek, Klamath river Comment
  HSC34142  Rubus macropetalus J. O. Sawyer 1969-7-26 1590 Siskiyou Along Sugar Creek 1707 Comment
  CAS-BOT-BC147323  Rubus parviflorus Doris K. Kildale 1928-7-2 5383 Siskiyou Salmon Summit via Ham Creek Trail 1981 Comment
  HSC58948  Rubus parviflorus Marvin Butler 1971-7-19 156 Siskiyou Near Marv's Meadow, close to the town of Cave Junction. 1464 Comment
  UC12967  Rubus parviflorus Milo S. Baker 1893-6 Siskiyou 6 mi below Bartles; McCloud River Comment
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Jun 8 2009
  CAS-BOT-BC147310  Rubus parviflorus M. S. Baker 1897-7-1 163 Siskiyou Mayfield Road near Bartlis Comment
  SEINET7706892  Rubus parviflorus G. D. Butler 1910-5-30 1438 Siskiyou Humbug Mountain 1219 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
  LA208247  Rubus ursinus Wm. Bridge Cooke; 1939-7-14 13689 Siskiyou Mount Shasta, along the Sisson Southern Trail 1523 Comment
  CAS-BOT-BC363170  Rudbeckia californica Peter H. Raven 1956-9-5 10466 Siskiyou North Fork of Sacramento River 1584 Comment
  SEINET5710612  Rudbeckia klamathensis Lowell E. Urbatsch, Vesna Karaman, Castro 2000-1 7699 Siskiyou Scott Mts. Collected along Road 17, 10 mi. SW from the intersection of I-5 and Stewart Spring Rd.; Scott Mountains 1757 Comment
  UCR46263  Rumex acetosella G. R. Ballmer 1986-5-14 s.n. Siskiyou Disturbed roadside at Dunsmuir Comment
  CAS-BOT-BC422224  Rumex acetosella Doris K. Kildale 1928-7-4 5497 Siskiyou Summit of divide between Sawyers Bar & Etna Comment
  UC164027  Rumex maritimus Geo. D. Butler 1910-9-12 1877 Siskiyou Butte Valley 1280 Comment
  CHSC72240  Rumex stenophyllus Vernon H. Oswald 1998-9-16 9647 Siskiyou Vista point on Hwy. 161 adjacent to a marsh at the Lower Klamath NWR 8.7 mi east of Hwy. 97. 1243 Comment
  CAS-BOT-BC454115  Ruppia cirrhosa Robert F. Thorne; J. Henrickson; C. W. Tilforth 1969-9-3 39035 Siskiyou Along Hwy 161 at N edge of White Lake, 13.5 mi E of junction of Hwys 97 and 161 1280 Comment
  RSA237869  Sagina decumbens subsp. occidentalis Frederick W. Oettinger 1969-8-31 1566 Siskiyou Weed patch near English Lake; Salmon Mts; The high lake basins in the vicinity of English Peak, Marble Mt. Wilderness Area. Comment
  UC482248  Salix Mrs. H. P. Bracelin 1931-6-19 422 Siskiyou ca. 16 km. n.w. of Shasta City (n.e. side Mt. Eddy, above Metcalf ranch house); Mt. Eddy 1500 Comment
  CAS-BOT-BC103545  Salix commutata Doris K. Kildale 1928-8-19 6572 Siskiyou Hancock Lake on trail to Marble Mt. 2133 Comment
  RSA238016  Salix eastwoodiae Frederick W. Oettinger 1968-8-2 355 Siskiyou E outlet of Diamond Lake. The Salmon Mtns. High Lake Basins in the vicinity of English Peak. Marble Mtn Wilderness Area. 2073 Comment
  UC164036  Salix exigua var. hindsiana Geo. D. Butler 1910-5-14 1339 Siskiyou Yreka Creek Comment
  CAS-BOT-BC107781  Salix hindsiana Mrs. H. P. Bracelin 1931-6-22 477 Siskiyou Pit River at Gibson flat station, 125 km. north of Red Bluff 450 Comment
  JEPS38487  Salix laevigata Geo. D. Butler 1908-7-7 151 Siskiyou Butler Ranch near Yreka Comment
  LA208816  Salix lasiandra Mrs. H. P. Bracelin; 1931-6-21 473 Siskiyou N base of Mount Eddy, about 13 km NW of Shasta City; at bridge, about 1.3 km E of Burney Mill 1110.0 Comment
  CAS-BOT-BC125464  Salix lasiandra var. lasiandra Mrs. H. P. Bracelin 1931-6-21 473 Siskiyou North base of Mount Eddy, about 13 km. northwest of Shasta City; about 1.3 km. east of Burney Mill 1110 Comment
  CAS-BOT-BC125474  Salix lasiandra var. lasiandra W. R. Dudley 1907-8-24 s.n. Siskiyou South Fork Salmon, below Smiths Comment
  LA208779  Salix lasiolepis Louis C. Wheeler; 1934-12-16 3363 Siskiyou Siskiyou Mountains, Oak Knoll Ranger Station, Klamath River 670 Comment
  RSA5699  Salix lasiolepis H. P. Bracelin 1931-6-19 410 Siskiyou NE side of Mt Eddy. About 16 km NW of Shasta City. Above Metcalf ranch house. 1425 Comment
  UC482338  Salix lasiolepis Mrs. H. P. Bracelin 1931-6-20 434 Siskiyou about 10 km nw Shasta City (beside road, e of Metcalf ranch house, n base of mt.); Mt. Eddy 1080 Comment
  POM220465  Salix lasiolepis var. bigelovii H. P. Bracelin 1931-6-20 434 Siskiyou About 10 km NW of Shasta City. E of Metcalf ranch house. 1080 Comment
  CAS-BOT-BC124542  Salix lasiolepis var. lasiolepis Carl B. Wolf 1927-8-27 1118 Siskiyou On the Klamath River, Happy Camp Comment
  POM208268  Salix lucida subsp. lasiandra Louis C. Wheeler 1934-7-5 2893 Siskiyou Hungry Creek. Siskiyou Mtns. 1372 Comment
  RSA238010  Salix lucida subsp. lasiandra Frederick W. Oettinger 1968-8-12 487 Siskiyou W of Hancock Lake. The Salmon Mountains; High Lake Basins in the vicinity of English Peak; Marble Mountain Wilderness Area. 1890 Comment
  CAS-BOT-BC126152  Salix scouleriana L. E. Smith 1913-3-28 611 Siskiyou Weed Comment
  SEINET9308453  Salvia dorrii Unknown 2009-5-31 Siskiyou High elevation, semi-arid desert ecosystem; native species; collected at Lava Beds National Monument, directly South of Tulelake, CA. Comment
  RSA0016960  Salvia dorrii subsp. dorrii P. Quentin Tomich 1954-6-24 425 Siskiyou Sentinal Cave, Lava Beds National Monument 1479 Comment
  JEPS62778  Salvia sonomensis W. L. Jepson 1894-8-4 14946 Siskiyou Niels Camp Niels Camp, Mt. Shasta (trail to snow-line); Mt. Shasta Comment
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Aug 10 2008
  UC1281237  Sambucus mexicana H. E. McMinn 1931-6-27 2527 Siskiyou Hamburg to Seiad<?> Valley; Kl. River Comment
  CAS-BOT-BC238885  Sambucus nigra subsp. caerulea John Thomas Howell 1937-7-23 13358 Siskiyou South Fork of Salmon River near Big Flat 1524 Comment
  CAS-BOT-BC236484  Sambucus racemosa subsp. racemosa Louis C. Wheeler 1934-8-2 3019 Siskiyou Alex Canyon, Klamath Forest 1889 Comment
  JEPS80602  Sambucus racemosa var. microbotrys Gilbert Muth 1966-7-29 459 Siskiyou Marble Valley Marble Mt. Wilderness Area (by waterfall) 1795 Comment
  UC618780  Sambucus racemosa var. microbotrys W. Bridge Cooke 1938-9-8 11674 Siskiyou Red Butte Mount Shasta (s side) Comment
  RSA47665  Sanguisorba annua Roxana S. Ferris, L. Lorraine 1948-6-12 11816 Siskiyou E fork of Scott River Drainage. Parker Ranch. Plowman's [Noyes] Valley. 1204 Comment
  UC1258448  Sanicula graveolens Maralyn A. Renner 1980-7-23 1831 Siskiyou about 1 mi e of Cook and Green Pass ( Klamath National Forest, Pacific Crest Trail); Klamath National Forest, Pacific Crest Trail 1752 Comment
  UC735126  Sanicula graveolens Lincoln Constance and Ren Hwa Shan 1946-5-31 3059 Siskiyou Sacramento River, at Dunsmuir Dunsmuir; Sacramento River, Dunsmuir 701 Comment
  JEPS19779  Sanicula tuberosa Rimo Bacigalupi with S. Galen Smith 1957-6-26 5947 Siskiyou close to Trintiy County Line (at s end of Gumboot Lake, head of South Fork of Sacramento River); Gumboot Lake, South Fork Sacramento River 1859 Comment
  UC909335  Sanicula tuberosa Ira L. Wiggins 1950-5-28 12381 Siskiyou just above Grouse Lake (headwaters of Grouse Creek); headwaters of Grouse Creek 1737 Comment
  RSA60665  Sanicula tuberosa I. L. Wiggins 1950-5-28 12381 Siskiyou Serpentine ridge just above Grouse lake (headwaters of Grouse Creek). 1738 Comment
  RSA303574  Saponaria officinalis J. R. Shevock 1972-7-26 2228 Siskiyou Along the Klamath River. 518 Comment
  RSA45489  Saponaria officinalis J. C. Roos, L. Roos 1948-9-2 4019 Siskiyou Hills just N of Mt. Shasta (city). Comment
  CHSC72236  Sarcobatus vermiculatus Vernon H. Oswald; Lowell Ahart 1998-8-16 9632 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
  SEINET10871268  Saxifraga bryophora Mary Susan Taylor 1980-7-8 Taylor 3095 Siskiyou T39N R5W south center sec 19, Dunsmuir quad; Shasta-Trinity Natl Forest; S end of Little Castle Lake, in steep granitic cliffs. 1768 Comment
  JEPS16187  Saxifraga californica Rimo Bacigalupi, and Arthur Holmgren 1950-4-24 3135 Siskiyou opposite town Dunsmuir (directly opposite railroad shops, along Sacramento River); Sacramento River Comment
  SEINET3411466 Image available Saxifraga mertensiana E. A. Meola 1939-4-22 68 Siskiyou Siskiyou lowlands; near Gasquet Comment
  JEPS1218  Saxifraga odontoloma Freed Hoffman 1951-7-12 4033 Siskiyou about 8 mi above Scott River (on Kelsey Creek, Hammond's Stock-raising Camp, Western Siskiyou County); Marble Mountains, Kelsey Creek 1524 Comment
  RSA238314  Saxifraga odontoloma Frederick W. Oettinger 1968-8-24 629 Siskiyou Bear Upper Meadow, Toms Lake. The Salmon Mountains. The High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1951 Comment
  UC922301  Saxifraga odontoloma Annie M. Alexander and Louise Kellogg 1949-7-24 5859 Siskiyou Paradise Lake, trail to Bear Lake Paradise Lake; Marble Mountains, Paradise Lake 1920 Comment
  JEPS13970  Saxifragopsis fragarioides W. L. Jepson 1907-7-5 2833 Siskiyou Marble Mt. Comment
  CAS-BOT-BC445869  Saxifragopsis fragarioides Gilbert Muth 1966-7-25 452 Siskiyou Marble Rim below Lookout (north), Marble Mts. 2072 Comment
  CAS-BOT-BC445876  Saxifragopsis fragarioides M. B. Dunkle 1945-7-22 9242 Siskiyou Wooley Pocket, Klamath Forest 2133 Comment
  CAS-BOT-BC283651  Schedonorus pratensis W. B. C. 1938-9-17 11694 Siskiyou Horse Camp, Mount Shasta Comment
  JEPS63801  Scirpus acutus var. occidentalis B. C. Goldsmith 1916-8-21 16 Siskiyou Gazelle Shasta Valley, Gazelle Comment
  HSC77408  Scirpus congdonii L. P. Janeway 1983-9-11 674 Siskiyou Poker Flat 1524 Comment
  HSC89803  Scirpus congdonii D. K. Imper 1987-7-21 Siskiyou 8 mi. E of Somes Bar 1372 Comment
  UC185014  Scirpus lineatus Geo. D. Butler 1909-5-23 857 Siskiyou near Yreka (dry hill); near Yreka Comment
  JEPS124475  Scirpus microcarpus Daniel Slakey 2015-7-14 162 Siskiyou South side of Copco Lake. East side of Patricia Ave., along creek shortly before its terminus in the lake. Comment
  UCD77991  Scirpus microcarpus Robert E. Preston 2002-7-13 1921 Siskiyou Klamath National Forest, Trout Creek Meadow 1505 Comment
  CAS-BOT-BC111102  Scirpus microcarpus Elmer Ivan Applegate 1895-5-28 764 Siskiyou Wet meadow in Sisson, Strawberry Valley Comment
  POM211436  Scirpus microcarpus L. C. Wheeler 1934-9-22 3300 Siskiyou Walker, Klamath River, Siskiyou Mountains. (Mt Diablo Mer) 518 Comment
  CDA3396  Scleranthus annuus F. D. Horn 1974-5-13 Siskiyou D. V. Meadows property, Shasta Valley Road, Weed. 0 Comment
  CAS-BOT-BC243527  Scribneria bolanderi E. L. Greene 1876-1-1 s.n. Siskiyou Yreka Comment
  HSC10893  Scribneria bolanderi L. C. Wheeler 1935-5-18 3500 Siskiyou Yreka Creek 854 Comment
  UC164350  Scrophularia lanceolata Geo. D. Butler 1910-5-22 1383 Siskiyou Yreka Creek Comment
  RSA17980  Scutellaria antirrhinoides Carl B. Wolf 1927-8-26 996 Siskiyou Klamath River, 5 miles below Hornbrook. Comment
  UC1549246  Scutellaria antirrhinoides Richard Olmstead 1983-7-12 472 Siskiyou 6 mi w of Sawyers Bar (1 mi e of Red Bank C.G., North Fork Salmon River Road); North Fork Salmon River Road 603 Comment
  POM69571  Scutellaria antirrhinoides Geo. D. Butler 1910-5-23 1401 Siskiyou Dry land near Yreka Comment
  SBBG6520  Scutellaria siphocampyloides H. and M. Dearing 1939-6-3 3532 Siskiyou near Scott Bar Comment
  UCD13291  Scutellaria siphocampyloides W. C. Overton Jr. 1977-6-26 s.n. Siskiyou Siskiyou CO. Scott Bar Mountains, beside Ridge Road, 3.15 miles from junction with Hawkinsville Road, northwest of Yreka. Elevation ca. 4750 feet. Comment
  HSC77356  Sedum lanceolatum var. lanceolatum L. P. Janeway 1982-6-27 28 Siskiyou SE side of Elk Creek 701 Comment
  CHSC33032  Sedum laxum subsp. heckneri M. A. Baker 1978-7-17 594 Siskiyou On the north bank of the Salmon River 5 k east of ... Field redacted by CHSC, contact the data manager for more information Comment
  UC115408  Sedum obtusatum subsp. boreale Dr. E. B. Copeland 1903-8-18 3781 Siskiyou Mt. Eddy 2133 Comment
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Aug 17 2011
  UC455356  Sedum obtusatum subsp. boreale I. J. Condit 1911-7-5 Siskiyou near Shasta Retreat (Mt. Bradley); , near Shasta Retreat 1828 Comment
  CAS-BOT-BC64658  Sedum oregonense Edward Lee 1934-8-14 1105 Siskiyou Little Grayback, Siskiyou-Del Norte County line. 1868 Comment
  HSC63301  Sedum spathulifolium var. spathulifolium M. A. Baker 1979-7-30 1069 Siskiyou 1900 Comment
  UCD102018  Sedum stenopetalum Alfred H. Murphy 1961-7-20 61 - Siskiyou Marble Mtns., Klamath National Forest, divide bewteen Elk and Rainly Valley. 1981 Comment
  CAS-BOT-BC496372  Selaginella scopulorum John Thomas Howell 1937-7-26 13521 Siskiyou Salmon-Trinity Alps, Caribou Basin 2286 Comment
  RSA576449  Selaginella wallacei Louis Cutter Wheeler 1934-8-15 3158 Siskiyou East Fork Horse Creek, Siskiyou Mtns. (Mt Diablo Mer) 1524 Comment
  CAS-BOT-BC363426  Senecio aronicoides Alice Eastwood 1921-7-28 10881 Siskiyou Medicine Lake Comment
  CDA8580  Senecio aronicoides T. C. Fuller 1962-6-13 8987 Siskiyou Road to Medicine Lake, ca. 12 miles northeast of Bartle. 0 Comment
  RSA0012698  Senecio aronicoides Jerry A. Powell 1974-6-16 1167 Siskiyou Ash Creek Ranger Station. Comment
  JEPS94673  Senecio integerrimus var. exaltatus Vernon H. Oswald and Lowell Ahart 1998-6-11 9216 Siskiyou near intersection of Meiss Lake-Sames Neck Rd. and Hwy. 97 (ca 5 mi n of Macdoel); Butte Valley National Grassland 1295 Comment
  HSC81662  Senecio integerrimus var. major Thomas W. Nelson, Jane P. Nelson 1980-7-17 6082 Siskiyou Along FS Rd. 17, 1 mi. N of summit at county line 2073 Comment
  HSC82291  Senecio integerrimus var. major Thomas W. Nelson, Jane P. Nelson 1979-6-15 4824 Siskiyou Trinity-Siskiyou county line; at the head of Scott Mt. Creek at Scott Mt. Campground 1646 Comment
  CAS-BOT-BC364425  Senecio triangularis John Thomas Howell 1939-8-3 15023 Siskiyou Spirit Lake, Marble Mts. 1828 Comment
  CAS-BOT-BC364433  Senecio triangularis Alice Eastwood 1921-7-24 10775 Siskiyou Castle Lake Comment
  UC163869  Senecio triangularis Geo. D. Butler 1908-8-9 340 Siskiyou Marble Valley 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
  CAS-BOT-BC364447  Senecio triangularis Wm. Bridge Cooke 1938-9-8 11678 Siskiyou Mount Shasta. Panther Creek Meadow Comment
  HSC4762  Senecio triangularis William J. Ferlatte 1966-8-4 323 Siskiyou N side of Caribou Mtns. 1982 Comment
  HSC64942  Sibbaldia procumbens D. L. Goforth 1979-7-19 266 Siskiyou Caribou Lakes Basin, lakeside at upper lake. 2134 Comment
  JEPS22217  Sidalcea asprella subsp. nana Rimo Bacigalupi with Reino and Aloha Alava 1958-9-2 6827 Siskiyou just below and n of road summit of Scott Mountain Road between Callahan and Trinity Center ([at Trinity County line]); Scott Mountain Road btw Callahan and Trinity Center 1615 Comment
  HSC46130  Sidalcea malviflora subsp. nana J. P. Smith 1976-5-5 8703 Siskiyou Road between Forks of Salmon and Somes Bar. 366 Comment
  HSC81547  Sidalcea malviflora subsp. nana Thomas W. Nelson, Jane Nelson 1980-7-21 6163 Siskiyou Along Forest Service Rd. 40N08, .6 mi. from junction with State Rte. 3 1646 Comment
  JEPS67209  Sidalcea oregana subsp. oregana Geo. D. Butler 1908-8-3 61 Siskiyou Log Lake 1371 Comment
  JEPS67250  Sidalcea oregana subsp. oregana Geo. D. Butler 1908-6-28 63 Siskiyou Oro Fino L. Eastlick Ranch, Oro Fino Comment
  JEPS67290  Sidalcea oregana subsp. spicata W. L. Jepson 1940-7-3 20110 Siskiyou 5 mi se Bartle (Big Bear Flat); se of Bartle, Big Bear Flat 1219 Comment
  UC108900  Sidalcea oregana subsp. spicata T. S. Brandegee 1887-7-1 Siskiyou Sisson's Comment
  UC454917  Sidalcea oregana subsp. spicata I. J. Condit 1911-7-27 Siskiyou Castle Lake 1981 Comment
  LA212243  Sidalcea ranunculacea Geo. E. Julian; Bill Baker 1962-7-20 s.n. Siskiyou Mount Shasta. 1523 Comment
  HSC52161  Silene campanulata subsp. glandulosa Marvin Butler 1971-7-12 105 Siskiyou Near Cyclone Gap, close to the town of Cave Junction 1464 Comment
  RSA264942  Silene campanulata subsp. glandulosa Gilbert Muth 1975-7-28 5340 Siskiyou Near Cook and Green Pass, near Seiad Valley 1524 Comment
  CAS-BOT-BC181199  Silene campanulata subsp. glandulosa R. C. Barneby 1954-5-16 11508 Siskiyou Klamath R. canyon 10 1/2 mi. below Klamath River P.O. 472 Comment
  SJSU2569  Silene campanulata subsp. glandulosa H. L. Buckalew 1962-7-12 Siskiyou near Poker Flat c. 2 mi W of junction of Indian Cr with W Branch Indian Cr, Siskiyou Mts 1143 Comment
  HSC62001  Silene campanulata subsp. greenei Ruby Van Deventer 1938-7-31 Siskiyou Poker Flat 1585 Comment
  RSA48002  Silene campanulata subsp. greenei Roxana S. Ferris, Laura Lorraine 1948-6-12 11806 Siskiyou At Mule Creek crossing n Scott Mountain Road south of Callahan. 1524 Comment
  UC166126  Silene douglasii Geo. D. Butler 1909-7-15 963 Siskiyou Highland Mine Comment
  CAS-BOT-BC388950  Silene grayi A. A. Heller 1915-7-16 12094 Siskiyou North side of Mt. Eddy 1524 Comment
  CHSC221  Silene grayi K. Jaekel; N. Jaekel 1939-7-8 Siskiyou Panther Meadows on Mt. Shasta. 2133 Comment
  UC8439  Silene grayi State Survey 1862-9-15 1373 Siskiyou Mt. Shasta 2377 Comment
  CAS-BOT-BC389428  Silene lemmonii Wm. Bridge Cooke 1940-6-7 15104 Siskiyou Along the Pacific Highway near Black Butte Comment
  CAS-BOT-BC389532  Silene menziesii John Thomas Howell 1937-7-23 13184 A Siskiyou South Fork of Salmon River near Big Flat 1524 Comment
  JEPS51016  Silene menziesii Geo. D. Butler 1909-6-10 967 Siskiyou near Yreka; near Yreka Comment
  CHSC38088  Sisymbrium altissimum R. E. Preston 1983-6-9 394 Siskiyou In vacant lot; MacDoel. 1292 Comment
  CHSC2211  Sisyrinchium bellum M. Yoder 1941-7-12 Siskiyou Castle Lake 1981 Comment
  HSC536  Sisyrinchium bellum William J. Ferlatte 1966-6-22 101 Siskiyou Along the S Fork of the Salmon River, between the campground and Carter's 1524 Comment
  CAS-BOT-BC5742  Sisyrinchium greenei H. E. Brown 1897-6-11 351 Siskiyou North side of Mt. Shasta 2743 Comment
  UC1034583  Smilacina racemosa Douglas Barbe 1955-7-4 91 Siskiyou 1000 ft from Parrot Creek (11 mi s of Etna, s bank of creek); North Fork of French Creek 975 Comment
  UC666974  Smilacina racemosa Joseph P. Tracy 1935-8-1 14408 Siskiyou on ridge between Salmon River and New River (at extreme head of creek); Rock Lake, Knownothing Creek 1889 Comment
  RSA237939  Smilax jamesii Frederick W. Oettinger 1968-9-4 691 Siskiyou Outlet of Abbotts Lake. Salmon Mountains. High Lake Basin in the vicinity of English Peak. Marble Mountain Wilderness Area. 1723 Comment
  NY821267  Solanum physalifolium A. A. Heller 1915-8-24 12208 Siskiyou Metcalf's ranch, northeast base of Mt. Eddy 1189 Comment
  CAS-BOT-BC157012  Solanum umbelliferum E. I. Applegate 1898-5-15 2137 Siskiyou Klamath River. Between Shovel Creek & Fall Creek 853 Comment
  RSA68867  Solanum umbelliferum A. E. Culbertson 1943-6-24 89 Siskiyou At lake level in rocks along the road at Castle Lake, 5434, in a north facing cirque with an abrupt 1000' back wall; 14 miles SW of Mt. Shasta on N side of a 6000' eastern spur of Trinity Mts., 2000' above Sacramento River within 10 air miles of its headwaters to the west. 1657 Comment
  CAS-BOT-BC365566  Solidago elongata L. R. Short 1933-9-8 69 Siskiyou Klamath National Forest. Deer Camp 1889 Comment
  CAS-BOT-BC365576  Solidago elongata Geo. D. Butler 1910-7-20 1732 Siskiyou Goosenest foothills 1524 Comment
  CAS-BOT-BC365579  Solidago elongata Copeland 1903-8-12 3823 Siskiyou Sisson Comment
  HSC2402  Solidago elongata William J. Ferlatte 1966-8-18 415 Siskiyou Along the South Fork of the Salmon River between the campground and Carter's 1524 Comment
  HSC469  Solidago elongata William J. Ferlatte 1966-8-3 290 Siskiyou Josephine Lake basin 1677 Comment
  HSC72358  Solidago elongata J. P. Smith, J. O. Sawyer, Jane Sawyer, Kevin Sawyer 1976-9-5 8980 Siskiyou 1/5 mi. W of S.R. 3 on Road 8 671 Comment
  HSC96300  Solidago elongata Gordon Leppig 1998-8-14 1014 Siskiyou Klamath National Forest, Russian Wilderness, Little Duck Lake Fen, cirque W of Little Duck Lake 2200 Comment
  JEPS32420  Solidago elongata Willis L. Jepson Jul 24 1894-Aug 10 1894 Siskiyou Sisson region of the Upper Sacramento, Sisson Comment
  UC637151  Solidago elongata Edward Lee 1934-8-12 1046 Siskiyou 1/4 mi w of mouth Walker Creek (a tributary of the Klamath River (e end of Seiad Valley)) 426 Comment
  CAS-BOT-BC339856  Solidago multiradiata John Thomas Howell 1939-8-8 15164 Siskiyou Black Mt., Marble Mts. Comment
  HSC76957  Solidago multiradiata K. T. Stillman 1976-7-21 273 Siskiyou Marble Mtn. Wilderness Area 1982 Comment
  UC727197  Solidago multiradiata A. A. Heller 1918-7-16 13029 Siskiyou Mt. Eddy 2682 Comment
  HSC27239  Solidago velutina subsp. californica J. P. Smith, J. O. Sawyer 1971-9-18 4812 Siskiyou 1.2 mi. W of junction of Hwy. 3 and Rd. 8, N of Callahan. Comment
  OBI55541  Solidago velutina subsp. californica David J. Keil, Kathleen Keil 1992-7-24 23566 Siskiyou E of McCloud along hwy 89, 22.6 mi W of Shasta County line Comment
  UC1190120  Sorbus californica Ira L. Wiggins 1955-7-27 13554 Siskiyou Caribou Lake; Salmon Trinity Alps Primitive Area 2042 Comment
  HSC18907  Sorbus scopulina J. O. Sawyer 1968-6-18 203 Siskiyou Above S Russian Creek, below the Blake's Fork confluence. 1463 Comment
  HSC29471  Sorbus scopulina Frederick W. Oettinger 1969-8-25 1556 Siskiyou High Lake Basins in the vicinity of English Peak, Marble Mtn. Wilderness Area; Little N Fork stream along new trail from end of logging road to Devils Canyon trail 1220 Comment
  HSC45150  Sorbus scopulina J. O. Sawyer, E. Cope 1977-6-19 2957 Siskiyou Along trail to Devil's Punchbowl 1372 Comment
  RSA237842  Sorbus scopulina var. cascadensis Frederick W. Oettinger 1969-8-25 1556 Siskiyou Little North Fork stream along new trail from end of logging road to Devils Canyon trail. Salmon Mtns. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1220 Comment
  CAS-BOT-BC390717  Spergularia rubra A. A. Heller 1915-7-18 12126 Siskiyou Metcalf's ranch, northeast base of Mt. Eddy 1188 Comment
  JEPS25814  Sphenosciadium capitellatum Geo. D. Butler 1908-8-10 460 Siskiyou Shackleford Creek 1371 Comment
  CHSC71602  Spiraea densiflora Vernon H. Oswald; Lowell Ahart 1998-8-3 9440 Siskiyou Near the Pacific Crest Trail in the Scott Mtns. west of Kangaroo Lake. 1981 Comment
  CAS-BOT-BC149683  Spiraea douglasii A. A. Heller 1905-6-20 8085 Siskiyou Between Igerna and Weed Comment
  POM210937  Spiraea douglasii Louis C. Wheeler 1934-8-16 3176 Siskiyou 2 miles SE White Mtn. Siskiyou Mtns. 1738 Comment
  SBBG25910  Spiraea douglasii D. Myrick 1966-8-8 1485 Siskiyou Big Flat Cmpgrd, Mtn Meadow Ranch, Big Flat 1828 Comment
  UC454958  Spiraea douglasii I. J. Condit 1911-7-3 Siskiyou Shasta Retreat Sacramento River (along the Sacramento River) Comment
  UC466728  Spiraea douglasii H. W. Furlong Sep 1901 Siskiyou Summit to Ager (No. California and So. Oregon) Comment
  UC484057  Spiraea douglasii Carl B. Wolf 1930-10-22 Siskiyou 1 mi w Mt. Shasta City 1066 Comment
  HSC97382  Spiranthes romanzoffiana A. Montalvo, J. D. Ackerman 1974-8-16 420 Siskiyou Clear Creek Trail, 0.5 mi. S of Cracker Meadows, Youngs Valley near Preston Peak, Siskiyou Mtns. 1220 Comment
  POM168196  Spiranthes romanzoffiana E. B. Copeland 1903-8-17 3927 Siskiyou Dietz Spur. 1159 Comment
  JEPS93916  Stachys ajugoides var. rigida Vernon H. Oswald and Lowell Ahart 1998-8-3 9418 Siskiyou Kangaroo Lake Road (USFS 41N08) 3.9 mi se of Gazelle-Callahan Road at its intersection with USFS 41N10 Kangaroo Lake Road 1554 Comment
  UCLA70899  Stachys ajugoides var. rigida Louis C. Wheeler 1934-6-4 2631 Siskiyou Humbug Gulch Siskiyou Mts., Horse Creek 609 Comment
  RSA12488  Stachys rigida subsp. rivularis Carl B. Wolf 1934-7-4 5949 Siskiyou 6 8/10 miles from Dry Lake Lookout on road to Horse Creek. Siskiyou Mountains. 1829 Comment
  CAS-BOT-BC181422  Stellaria calycantha John Thomas Howell 1939-8-3 14966 Siskiyou Spirit Lake, Marble Mts. 1828 Comment
  RSA237782  Stellaria crispa Frederick W. Oettinger 1968-9-5 723 Siskiyou Campsite near stream, Hancock Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1936 Comment
  HSC4294  Stellaria nitens Geo. D. Butler 1909-4-25 618 Siskiyou Quartz Valley Comment
  CAS-BOT-BC322918  Stephanomeria tenuifolia Elmer I. Applegate 1935-6-8 9420 Siskiyou Bear Paw Cave, Lava Beds National Monument Comment
  UC166022  Stephanomeria virgata subsp. pleurocarpa Geo. D. Butler 1910-8-7 1814 Siskiyou Humbug Mountain 1066 Comment
  HSC19242  Stipa occidentalis var. californica J. O. Sawyer 1969-7-19 1427 Siskiyou SW facing slope above Deacon Lee Trail 2180 Comment
  HSC30691  Stipa occidentalis var. occidentalis Frederick W. Oettinger 1968-9-6 744 Siskiyou Marble Mtn. Wilderness Area, Bear Meadow, Tom's Lake Region 2188 Comment
  HSC45902  Stipa occidentalis var. occidentalis Laura Witherspoon 1978-8-18 102 Siskiyou Klamath National Forest, road to Ball Mtn. Lookout 2134 Comment
  SD98975  Stipa thurberiana Darley F. Howe 1977-7-5 4996 Siskiyou 15 miles southeast of Granada. 1219 Comment
  CAS-BOT-BC87863  Streptanthus tortuosus Carl B. Wolf 1934-7-6 6022 Siskiyou Southwest slope of Mount Shasta. 0.5 mile south of trail to Horse Camp. 1524 Comment
  RSA211226  Streptanthus tortuosus William J. Ferlatte 1966-6-22 79 Siskiyou Josephine Lake basin. Trinity Alps. 1677 Comment
  CAS-BOT-BC87860  Streptanthus tortuosus Gilbert Muth 1965-8-5 s.n. Siskiyou On trail to Black Mountain. Comment
  UCD166859  Streptanthus tortuosus var. oblongus Robert E. Preston 2016-7-7 3059 Siskiyou 4.1 mi W of Forks of Salmon, along Salmon River Rd, opposite Bloomer Mine. 345 Comment
  UC1188081  Streptanthus tortuosus var. orbiculatus Philip A. Munz 1960-8-22 24193 Siskiyou Panther Meadows Mt. Shasta 2529 Comment
  UC618767  Streptanthus tortuosus var. orbiculatus W. Bridge Cooke 1938-8-18 11497 Siskiyou Horse Camp Slopes Mt. Shasta Comment
  HSC61929  Streptopus amplexifolius Ruby Van Deventer 14 Jul [year missing] Siskiyou Poker Flat 1585 Comment
  RSA47663  Streptopus amplexifolius Roxana S. Ferris, Laura Lorraine 11749 Siskiyou French Creek logging road west of Callahan. 1067 Comment
  JEPS25647  Streptopus amplexifolius var. americanus Rimo Bacigalupi with Mr. and Mrs. Van Deventer 1959-7-9 7287 Siskiyou Poker Flat 1536 Comment
  POM312357  Suaeda calceoliformis Verne Grant, Irving Schneider, Grant 1947-8-26 8300 Siskiyou Interstate Highway, Lower Klamath Lake Comment
  SDSU5611  Suaeda calceoliformis D. F. Howe 1964-8-5 3939 Siskiyou 13.4 miles east of junction with #97 on state line road. 1219 Comment
  UC221723  Swertia albicaulis var. nitida H. E. Brown Jul 15 1897-Jul 31 1897 545 Siskiyou s side Mt. Shasta 1524 Comment
  HSC62451  Swertia albicaulis var. nitida Ruby Van Deventer 27 Jul [year missing] Siskiyou Twin Valley Comment
  JEPS46346  Swertia radiata Geo. D. Butler 1908-8-4 417 Siskiyou Head of Shackelford Creek 1676 Comment
  CAS-BOT-BC269613  Symphoricarpos albus var. laevigatus L. R. Short 1933-6-15 37 Siskiyou Klamath National Forest. Clear Creek 640 Comment
  CAS-BOT-BC269620  Symphoricarpos albus var. laevigatus Carl B. Wolf 1930-10-22 1753 Siskiyou 1 mile west of Mt. Shasta City 762 Comment
  UC63715  Symphoricarpos albus var. laevigatus H. M. Hall and E. B. Babcock Jun 1903 4036 Siskiyou near Dunsmuir (Mount Shasta); Sierra Nevada Mountains, Mount Shasta 609 Comment
  HSC18882  Symphoricarpos mollis J. O. Sawyer 1968-9-11 695 Siskiyou Slopes above Twin Valley. 1463 Comment
  HSC29346  Symphoricarpos mollis Frederick W. Oettinger 1968-8-6 542 Siskiyou Marble Mtn. Wilderness Area, NE side of Little Medicine Mtn., due N of Hancock Lake. 1997 Comment
  CAS-BOT-BC234789  Symphoricarpos mollis Elizabeth McClintock; Wayne Roderick; Martha Roderick 1967-7-29 s.n. Siskiyou Road to Mumbo Basin, Trinity Mts. 1889 Comment
  HSC5077  Symphyotrichum bracteolatum Geo. D. Butler 1910-8-13 1828 Siskiyou Quartz Valley Comment
  HSC58869  Symphyotrichum bracteolatum Marvin Butler 1971-8-31 309 Siskiyou Near Bell Echo Camp, close to the town of Cave Junction 1220 Comment
  UC165282  Symphyotrichum bracteolatum Geo. D. Butler 1909-8-11 291 Siskiyou Shackelford Creek Comment
  CAS-BOT-BC97881  Symphyotrichum eatonii Geo. B. Grant 1902-9-1 69 Siskiyou Shasta Springs Comment
  UC75819  Symphyotrichum spathulatum Milo S. Baker 1899-7-31 Siskiyou on Ash Creek, e slope of Mt. Shasta Mt. Shasta Comment
  IRVC26651  Taeniatherum caput-medusae L. C. Wheeler 1935-6-4 3546 Siskiyou Shasta Valley; Grenada. 793 Comment
  JEPS105692  Taraxia subacaulis Julie Kierstead Nelson 1993-6-4 93009 Siskiyou Mud Well, ca. 20 mi E of Mount Shasta. McCloud Ranger District. Shasta-Trinity National Forests. 1392 Comment
  CAS-BOT-BC85245  Taxus brevifolia Doris K. Kildale 1929-5-12 7784 Siskiyou Sawyers Bar, North Fork of Salmon River Comment
  HSC27602  Taxus brevifolia Carl W. Mize 1972-6-10 51 Siskiyou Along Steinacher Creek 0.5 mi. from Wooley Creek 244 Comment
  RSA86350  Taxus brevifolia F. W. Peirson 1926-7-11 7027 Siskiyou Salmon River at Cow Creek Comment
  JEPS84273  Tellima grandiflora L. R. Heckard with Susan D'Alcamo, J. Hickman, S. Winchester 1986-7-16 6425 Siskiyou ca 5 mi n Seiad Valley (town) (e slope of Kangaroo Mountain, cirque at head of Hell's Canyon); Kangaroo Mountain 1828 Comment
  CAS-BOT-BC332877  Tetradymia canescens Elmer I. Applegate 1935-8-3 10003 Siskiyou Lyons Road, north boundary of Lava Beds National Monument Comment
  NY185763  Thelypodiopsis brachypoda H. M. Hall 06 1903 4092 Siskiyou Sierra Nevada Mountains; Mount Shasta; Shasta Valley 914.4 Comment
  UC1126994  Thelypodium brachycarpum H. S. Yates 1936-6-21 5817 Siskiyou 6 mi n Gazelle; Yreka Quad. 792 Comment
  CAS-BOT-BC88081  Thelypodium flexuosum Elmer I. Applegate 1935-6-2 9286 A Siskiyou Frenner's ranch, near north Boundary of Lava Beds National Monument. Comment
  UCD93359  Thinopyrum intermedium T. C. Fuller 1962-8-30 9498 Siskiyou 5 miles N of Klamath River, Siskiyou Mountains, E of Beaver Creek, Raggedass Gulch. 182 Comment
  CHSC114172  Thinopyrum intermedium subsp. barbulatum R. E. Brainerd 2010-8-5 1732 Siskiyou Yreka, along Highway 2 near the northern edge of town. UTM Zone 10 530668E 4621733N. 774 Comment
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Apr 1 2016
  JEPS54041  Thlaspi montanum var. montanum Geo. D. Butler 1908-8-4 124 Siskiyou head of Shackleford Creek 1676 Comment
  HSC41079  Thysanocarpus curvipes J. O. Sawyer 1970-3-4 2068 Siskiyou N of Idlewild Campground. 762 Comment
  RSA0049974  Thysanocarpus radians George D. Butler 1910-3-27 1146 Siskiyou Near Yreka. Comment
  CHSC43138  Tiarella trifoliata var. unifoliata R. Banchero 1982-8-20 650 Siskiyou Ca 6 mi n of Happy Camp. N 1/2 mi from jct of F. S. roads 18N24 and 18N15. 975 Comment
  HSC18877  Tiarella trifoliata var. unifoliata J. O. Sawyer 1968-9-10 687 Siskiyou Below Young's Meadow on Clear Creek. 1372 Comment
  HSC31129  Tiarella trifoliata var. unifoliata J. O. Sawyer 1971-8-19 2453 Siskiyou On trail to Marble Valley near Lovers Camp. 1311 Comment
  HSC41800  Tiarella trifoliata var. unifoliata Brent Whitely 1975-6-28 66 Siskiyou Irving sale of the Klamath National Forest 915 Comment
  SD264755  Torilis arvensis Tracey G. Call, Viola Call 1964-6-22 2277 Siskiyou Near Klamath river Ao mile east of mouth of Beaver Creek. 487 Comment
  UCD93220  Torreyochloa pallida var. pauciflora Robert E. Preston 2003-7-28 2162 Siskiyou 17.3 miles NE of McCloud, at Trout Creek Campground. 1486 Comment
  CDA7719  Tragopogon dubius T. C. Fuller 1959-10-14 3127 Siskiyou Highway 99, north limits of Mt. Shasta City. 0 Comment
  HSC42898  Tragopogon porrifolius Ken Stillman 1976-8-15 409 Siskiyou Clearcut at junction of Specimen Creek and Little N Fork of the Salmon River 732 Comment
  UCD96051  Trautvetteria caroliniensis John M. Tucker; D. V. Hemphill 1974-7-27 4298 Siskiyou Near Haypress Creek, Haypress Meadows, Marble Mountain Wilderness Area. 1463 Comment
  RSA460865  Trientalis latifolia Edwin Kline 1920-6-24 14844 Siskiyou Siskiyou Mts. Comment
  SEINET12147893  Trifolium eriocephalum H. M. Hall, Babcock, E. B. 1903-1 4076 Siskiyou Mount Shasta. Near Upton 1219 Comment
  POM27526  Trifolium eriocephalum subsp. eriocephalum Geo. D. Butler 1910-6-6 1457 Siskiyou Quartz Valley Comment
  UC375413  Trifolium eriocephalum var. eriocephalum Geo. D. Butler 1909-6-13 978 Siskiyou Moffit Creek Comment
  CHSC118624  Trifolium hirtum Richard R. Halse 2016-5-29 9716 Siskiyou Along Hilt Road ca. 2.1 miles northwest of Hilt on the Oregon/California State Line. 876 Comment
  UC375415  Trifolium hybridum Geo. D. Butler 1908-7-2 382 Siskiyou near Yreka Comment
  HSC60772  Trifolium longipes Ruby Van Deventer 1960-7-7 Siskiyou Bell Echo Camp in Youngs Valley Comment
  CHSC63511  Trifolium longipes subsp. elmeri Vernon H. Oswald; Lowell Ahart 1994-8-1 6423 Siskiyou Gumboot Creek on the upstream side of Forest Rd. 26, ca. 0.5 mi (air) NE of Gumboot Lake, W. of Mt. Shasta (city). 1783 Comment
  RSA215649  Trifolium longipes subsp. elmeri Gilbert Muth 1969-8-8 1287 Siskiyou Gap Meadow, Boulder Peak Ridge 2287 Comment
  JEPS87958  Trifolium longipes subsp. oreganum Barbara Ertter 1990-7-16 9376 Siskiyou NW side of Mt. Eddy ca 8 air miles SW of Weed, ca. 1-2 mi from Parks Creek trailhead(=crest of Rte 17). 2286 Comment
  RSA119327  Trifolium longipes var. shastense S. S. Tillett 1956-7-9 653 Siskiyou Above Masterson Meadow, e. side of Scott Mtn., Siskiyou-Trinity Co. line, ca. 8 mi. se of Callahan. 1890 Comment
  UC631140  Trifolium longipes var. shastense A. A. Heller 1920-6-28 13404 Siskiyou e side Mt. Eddy (trail to Wagaon Creek Falls) 1371 Comment
  JEPS66032  Trifolium pratense W. L. Jepson July 1894 13691 Siskiyou Sisson Comment
  UCD109295  Trifolium pratense L. Whitney 1934-6-24 s.n. Siskiyou location unknown. 1463 Comment
  UCD109300  Trifolium productum A. H. Murphy 1958-8-7 58 N Siskiyou Deep Lake, Marble Mts. 1889 Comment
  UC375414  Trifolium repens Geo. D. Butler 1908-6-23 1036 Siskiyou Yreka Comment
  JEPS66081  Trifolium wormskioldii W. L. Jepson July 1894 13650 Siskiyou Sisson Comment
  RSA237892  Trifolium wormskioldii Frederick W. Oettinger 1969-8-16 1406 Siskiyou Wiregrass meadow near English Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1707 Comment
  CAS-BOT-BC519098  Trillium chloropetalum var. chloropetalum Gilbert Muth 1966-7-8 376 Siskiyou Marble Valley, Marble Mountains 1792 Comment
  HSC99848  Trillium ovatum G. L. Clifton 1979-7-1 6184 Siskiyou Near Poker Flat, close to the town of Happy Camp 1538 Comment
  JEPS25637  Trillium ovatum Rimo Bacigalupi with Mr. and Mrs. Van Deventer 1959-7-9 7276 Siskiyou Poker Flat 1536 Comment
  UC1197818  Trillium ovatum Joseph P. Tracy 1935-8-1 14409 Siskiyou on ridge between Salmon and New Rivers (at extreme head of W. Fork Knownothing Creek); W. Fork Knownothing Creek 1889 Comment
  CHSC95088  Trillium ovatum subsp. oettingeri L. P. Janeway 2006-7-2 8734 Siskiyou Klamath Ranges. Salmon Mountains; east side of Trail Gulch (Creek) about 100 m south of its mouth at South Fork Salmon River (and Carter Meadow). Shady flat bench above the creek. 1585 Comment
  HSC44968  Trillium ovatum subsp. oettingeri J. O. Sawyer 1978-6-20 3273 Siskiyou Marble Mtn. Wilderness Area, Hamilton Camp 1829 Comment
  HSC60803  Trillium ovatum subsp. oettingeri Maralyn O'Meara 1973-6-25 240 Siskiyou Tributary to N Russian Creek, 1/2 mi. S of Etna Summit on rd. from Sawyer's Bar to Etna 1707 Comment
  UCD139920  Trillium ovatum subsp. oettingeri Maralyn A. O' Meara 1973-6-25 240 Siskiyou North Russian Creek, 1/2 mile south of Etna Summit on road from Sawyer's Bar to Etna. 1706 Comment
  CHSC187  Triodanis biflora 1943-8-5 Siskiyou Scott Valley. Comment
  HSC27037  Trisetum canescens J. P. Smith, J. O. Sawyer 1972-9-14 5814 Siskiyou Trail to Little Duck Lake 1829 Comment
  HSC30665  Trisetum canescens Frederick W. Oettinger, R. F. Thorne 1969-8-4 1158 Siskiyou Salmon Mountains, above Halfway Spring on trail from English Lake to Diamond Lake 1829 Comment
  CAS-BOT-BC200264  Trisetum spicatum Wm. Bridge Cooke 1938-8-18 11485 Siskiyou Horse Camp Springs. Around the southwest side of Shasta Comment
  CAS-BOT-BC521260  Triteleia bridgesii Volney Rattan 1879-6-1 s.n. Siskiyou Klamath River Comment
  HSC43268  Triteleia crocea K. Irwin 1977-5-22 395 Siskiyou On S Fork Salmon River Rd., 4.5 mi. W of Cecilville Comment
  HSC49899  Triteleia crocea Maralyn O'Meara 1974-5-25 434 Siskiyou On Rd. 8, 2.4 mi. W of junction with Hwy. 3 1006 Comment
  CAS-BOT-BC522345  Triteleia hyacinthina Arthur L. Menzies s.n. Siskiyou Morgan Meadows, near Mt. Eddy Sacramento District, Shasta National Forest Comment
  RSA237881  Triteleia hyacinthina Frederick W. Oettinger 1969-8-18 1415 Siskiyou Along the trail up to Horse Range Lake and about 0.1 mile from lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area 1768 Comment
  CHSC31157  Triteleia ixioides subsp. anilina M. S. Taylor 1980-7-8 3110 Siskiyou On trail, e side of Castle Lake to Little Castle Lake. 1767 Comment
  HSC32590  Tsuga mertensiana Steven Lagos 1974-5-26 85 Siskiyou Duck Lake Creek drainage, Bulk Collection 56 1463 Comment
  RSA184681  Tsuga mertensiana Gilbert Muth 1966-7-29 131 Siskiyou Marble Valley, Marble Mountains. 1793 Comment
  CAS-BOT-BC74101  Turritis glabra Marion Ownbey; Fred G. Meyer 1940-7-7 2207 Siskiyou Along Soap Ridge road, southwest of Yreka. Comment
  UCD77352  Turritis glabra Robert E. Preston 2001-7-20 1698 Siskiyou Rainbow Mountain and Vicinity. Klamath National Forest, north slope of Rainbow Mountain, N of Hemlock Lake. 1676 Comment
  CAS-BOT-BC91274  Umbellularia californica Marion Ownbey; Fred G. Meyer 1940-7-8 2223 Siskiyou Along Indian Creek, 12 miles above Happy Camp. Comment
  CAS-BOT-BC91276  Umbellularia californica Carl B. Wolf 1927-8-27 1135 Siskiyou On the Klamath River at mouth of Crawford Creek. Comment
  CAS-BOT-BC91277  Umbellularia californica Carl B. Wolf 1927-8-27 1149 Siskiyou On the Klamath River above the Salmon River. Comment
  CAS-BOT-BC403937  Urtica dioica subsp. gracilis Alice Eastwood 1917-9-2 6675 Siskiyou Shasta Springs Comment
  UCD168825  Utricularia macrorhiza Barry Rice 2015-9-6 BR 150904 Siskiyou Caldwell Fen. 2068 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
  HSC69507  Vaccinium cespitosum John Palmer 1980-7-24 659 Siskiyou Dillon Divide 1707 Comment
  JEPS93910  Vaccinium cespitosum Vernon H. Oswald and Lowell Ahart 1998-8-3 9454 Siskiyou e of Kangaroo Lake (e end of Rock Fence Lake Road (USFS 41N18) in the Scott Mountains, near Rock Fence Creek); Scott Mountains, Rock Fence Lake Road 1920 Comment
  UC1334018  Vaccinium cespitosum Dorothy Parker 1949-7-10 348 Siskiyou near Paradise Lake; Siskiyou Mountains, Salmon Mountains Comment
  UC1409419  Vaccinium cespitosum Frederick W. Oettinger 1969-7-14 1014 Siskiyou n shoreline Charmaine Lake; Salmon Mountains, Marble Mountain Wilderness Area, English P 1920 Comment
  UCD118045  Vaccinium cespitosum D. V. Hemphill 1974-7-28 s.n. Siskiyou Stanshaw Trail, 1/4 mile south of Jawbone Camp. Marble Mountain Wilderness Area. 1554 Comment
  CHSC88622  Vaccinium membranaceum Gail A. Newton 1981-7-29 2328 Siskiyou Klamath National Forest. Near Willis Hole. 1365 Comment
  HSC19332  Vaccinium membranaceum J. O. Sawyer 1969-8-4 1800 Siskiyou Above Sugar Lake 2134 Comment
  HSC19366  Vaccinium membranaceum J. O. Sawyer 1968-9-11 703 Siskiyou Slopes above Twin Valley 1524 Comment
  JEPS25878  Vaccinium membranaceum Rimo Bacigalupi with L. Constance and L. Heckard 1960-7-20 7465 Siskiyou about 12 air mi nw Happy Camp (at edge of Twin Valley meadows); Siskiyou Mts., Twin Valley 1584 Comment
  CAS-BOT-BC228831  Vaccinium scoparium Peter W. Fritsch; James R. Shevock; Lu Lu 2012-6-20 1930 Siskiyou Russian Wilderness, Klamath National Forest. Along Sugar Creek Trail to Sugar Lake from trailhead off forest road 41N14 1805 Comment
  RSA238821  Valeriana sitchensis subsp. scouleri Frederick W. Oettinger 1967-7-30 214 Siskiyou Approx. 300 yards up tributary of Upper English Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1784 Comment
  POM259604  Valeriana sitchensis subsp. sitchensis J. T. Howell 1939-8-3 15017 Siskiyou Spirit Lake, Marble Mountains. 1829 Comment
  CHSC91238  Valerianella locusta Lowell Ahart; John Dittes 2005-6-10 12119 Siskiyou North side 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
  HSC100298  Ventenata dubia J. P. Smith, & J. O. Sawyer 2011-6-25 13254 Siskiyou At the junction of Hwy. 3 and Callahan - Gazelle Road. 834 Comment
  HSC102708  Ventenata dubia J. P. Smith 2013-6-17 13741 Siskiyou Margin of vernal pool and adjacent conifer forest. 1430 Comment
  UCSB63787  Ventenata dubia Vernon H. Oswald and Lowell Ahart 1998-7-21 9336 Siskiyou collected 0.40 mi SE, along the S-side of Tenant Road to Bray Old State Highway - Tenant Road, Old State Highway and Bray 1523 Comment
  CAS-BOT-BC529104  Veratrum californicum G. J. Muth 1969-8-12 1378 Siskiyou Boreal Meadow, Second Valley 2194 Comment
  HSC96427  Veratrum californicum var. californicum Gordon Leppig, J. Cromwell 1997-7-25 572 Siskiyou Klamath National Forest, Russian Wilderness, Little Duck Lake 2200 Comment
  HSC30440  Veratrum viride Frederick W. Oettinger 1968-8-1 346 Siskiyou Marble Mtn. Wilderness Area, S of Hancock Lake 2043 Comment
  UC164070  Verbascum blattaria Geo. D. Butler 1908-6-24 1007 Siskiyou Yreka Comment
  HSC72499  Verbascum blattaria J. P. Smith, Steve Selva 1970-6-16 4084 Siskiyou Idlewild Campground 808 Comment
  SD51281  Verbascum blattaria Darley F. Howe 1961-8-3 3131 Siskiyou 4.1 miles east of Happy Camp on #96 Comment
  CHSC8613  Verbascum thapsus G. Smalley 1967-6-17 Siskiyou Collected 6 miles e of Callahan. 1310 Comment
  HSC72493  Veronica americana J. P. Smith, Steve Selva 1970-6-16 4070 Siskiyou 8 mi. W of Etna on road to Sawyers Bar. 1372 Comment
  UC444943  Veronica peregrina subsp. xalapensis W. A. Setchell, C. C. Dobie 1902-7-14 Siskiyou Mount Shasta, Sisson Sisson; Mount Shasta, Sisson Comment
  UC444945  Veronica peregrina subsp. xalapensis F. H. Hooper Apr. 1897 14 Siskiyou Little Shasta Comment
  CDA28314  Vicia americana var. americana G. D. Barbe, J. T. Howell, T. C. Fuller 1980-4-29 2615 Siskiyou 3 km east of Forest Mountain summit, Highway 3, southwest of Yreka. Comment
  UC375419  Vicia americana var. americana Geo. D. Butler 1908-8-4 401 Siskiyou Head of Shackleford Creek Comment
  CAS-BOT-BC270227  Viola adunca L. E. Smith 1913-9-1 s.n. Siskiyou Mount Eddy Comment
  RSA211293  Viola adunca William J. Ferlatte 1966-6-22 98 Siskiyou Along the South Fork of the Salmon River between the campgrond and Carter's; Trinity Alps. 1524 Comment
  SBBG4793  Viola bakeri H. and M. Dearing 1938-6-28 2182 Siskiyou Wagon Camp, Mt Shasta Comment
  SEINET215139 Image available Viola beckwithii S. Holloway 1963-4-8 17 Siskiyou Dirt road east of Hwy 99 between Gazelle and Edgewood 762 Comment
  RSA78682  Viola cuneata Philip A. Munz 1952-7-2 17880 Siskiyou Road to Baldy Mt., northwest of Happ