Search Results — 2000 specimen records retrieved (1380 records with coordinates)
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 Please cite data retrieved from this page: Data provided by the participants of the Consortium of California Herbaria (ucjeps.berkeley.edu/cch_archive/).
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? Specimen ID Determination * Collector Collection Date Collection Number County Locality Elevation in meters Feedback
  CAS-BOT-BC78127  Abies X shastensis Alan Bell 1962-7-1 s.n. Siskiyou Mosquito Lake, headwaters of Tangle Blue Creek, tributary of Trinity River, Trinity-Salmon Primitive Area 1981 Comment
  HSC67827  Abies concolor J. O. Sawyer, J. Cole 1980-7-20 3762 Siskiyou 2 mi. N of Little Glass Mtn., on road connecting FS Rd. 45N05 with FS Rd. 47N75 1875 Comment
  JEPS82417  Abies concolor Gilbert Muth 1966-8-3 494 Siskiyou Marble Valley Marble Mt. Wilderness Area, Marble Mt. 1792 Comment
  SD75844  Abies concolor Darley F. Howe 1969-9-12 Siskiyou Siskiyou Mountains, west side of Grayback 1525 Comment
Read comments
Jul 10 2010
  UC1409511  Abies concolor Frederick W. Oettinger 1968-9-10 809 Siskiyou on steep slope ne of English Lake outlet (w Siskiyou County); Salmon Mountains, Marble Mountain Wilderness Area 1920 Comment
  HSC49827  Abies lasiocarpa D. A. Thornburgh Aug 1978 Siskiyou Junction of Sky lake and Main Rim trails 1921 Comment
  HSC96306  Abies lasiocarpa var. lasiocarpa Gordon Leppig 1998-8-14 1031 Siskiyou Klamath National Forest, Russian Wilderness, Little Duck Lake Fen, cirque W of Little Duck Lake 2200 Comment
  UCR30522  Abies magnifica var. shastensis John C. Roos 1948-9-1 s.n. Siskiyou high ridge SW of Etna Comment
  HSC31545  Acer circinatum Steve Selva, Roger Jensen 1974-8-22 33 Siskiyou Trail from Doe Flat campground to Buck Lake Comment
  HSC68464  Acer circinatum Maralyn A. Renner 1980-7-5 1532 Siskiyou Doe Flat 1220 Comment
  CLARK-A1528-1053  Acer circinatum John C. Roos 1939-7-5 1520 Siskiyou 990 Comment
  SBBG4082  Acer glabrum K. K. Muller 1954-6-24 648 Siskiyou summit Salmon Mtn Pass [Etna Summit], 10 mi NE of Idylwild [Idlewild Cmpgrd] 1798 Comment
Read comments
Jan 28 2015
  CAS-BOT-BC331048  Acer glabrum var. glabrum Wm. Bridge Cooke 1938-6-17 11003 Siskiyou Mount Shasta; Sisson Southern Trail. 1981 Comment
  CAS-BOT-BC331050  Acer glabrum var. glabrum R. J. Mastrogiuseppe; J. D. Mastrogiuseppe 1974-9-2 s.n. Siskiyou Near Kidd Creek Comment
  UC635157  Acer glabrum var. glabrum D. Tebbe 1929-6-26 12 Siskiyou Big Bear Gully Salmon Mountains, Big Bear Gully Comment
  HSC69237  Acer glabrum var. torreyi Maralyn A. Renner 1980-9-1 2708 Siskiyou S side of Devil's Punchbowl 1829 Comment
  HSC69494  Acer glabrum var. torreyi Maralyn A. Renner 1980-8-31 2650 Siskiyou Poker Flat at trailhead to Twin Valley 1524 Comment
  CAS-BOT-BC332786  Acer macrophyllum Alice Eastwood 1923-5-29 12000 Siskiyou Cantara Comment
  UCSC008592  Acer macrophyllum Randall Morgan 2003-7-12 3009 Siskiyou End of Grider Creek Road, Seiad Valley Comment
  CAS-BOT-BC30439  Achillea millefolium A. A. Heller 1915-7-18 12127 Siskiyou Metcalf's ranch, northeast base of Mt. Eddy 1188 Comment
  UC1190232  Achillea millefolium Ira L. Wiggins 1955-7-27 13519 Siskiyou Caribou Lake; Salmon-Trinity Alps Primitive Area 2042 Comment
  RSA105392  Achillea millefolium G. D. Barbe 1955-7-7 s.n. Siskiyou South of Forest Camp, Etna 884 Comment
  RSA183724  Achillea millefolium Gilbert Muth 1965-7-29 135 Siskiyou On top of Marble Mt. Lookout, Marble Mts. Comment
  CAS-BOT-BC105075  Achnatherum nelsonii subsp. dorei R. C. Wenk 2008-7-24 917 Siskiyou SW side of Mount Shasta, growing by side of road, Everitt Memorial Highway 1676 Comment
  CAS-BOT-BC216929  Achnatherum occidentale Gilbert Muth 1966-7-25 454 Siskiyou Marble Rim, Marble Mountains 2072 Comment
  CAS-BOT-BC210874  Achnatherum occidentale subsp. californicum R. E. Frenkel 1965-6-14 954 Siskiyou On Everitt Memorial Highway, 2.7 miles north of McCloud River RR crossing near Mount Shasta 1399 Comment
  JEPS72939  Achnatherum occidentale subsp. californicum W. L. Jepson 1940-6-28 20054 a Siskiyou McCLoud 975 Comment
  SEINET255883  Achnatherum occidentale subsp. californicum Mary E. Barkworth, L. R. Firestone 1982-8-30 4095 Siskiyou Along roadside Cal 895 to Lassen Volcanic National Park from Weed; plentiful all along road south of Weed 975 Comment
  RSA184786  Achnatherum occidentale subsp. occidentale Gilbert Muth 1966-7-25 454 Siskiyou Marble Rim, Marble Mountains 2073 Comment
  UCD103815  Acmispon americanus var. americanus A. A. Heller 1919-6-25 13288 Siskiyou Compton's prairie, north base of Mt. Eddy. 1158 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
  SJSU6270  Aconitum columbianum R. W. Trivelpiece 1971-8-9 64 Siskiyou Kangaroo L on Kangaroo Cr, S of East Fork Scott R between Gazelle & Callahan 1737 Comment
  CAS-BOT-BC391513  Aconitum columbianum subsp. columbianum Alice Eastwood 1922-10-18 11544 Siskiyou Shasta Springs Comment
  CAS-BOT-BC391515  Aconitum columbianum subsp. columbianum Alice Eastwood 1912-7-17 1189 a Siskiyou Sisson Comment
  HSC17995  Aconitum columbianum subsp. columbianum Dorothy Parker 1949-8-3 355 Siskiyou Edges of Paradise Lake, Salmon Mtn. 1982 Comment
  CAS-BOT-BC383124  Aconogonon davisiae Andrew Townesmith; Karen M. Meyer 2007-7-30 871 Siskiyou Shasta-Trinity National Forest. At the upper end of county road A10, mile 13.8 (from beginning of road in Mount Shasta City, 12.7 miles from National Forest boundary sign). Highest vehicle accessible point on Mount Shasta 2399 Comment
  CAS-BOT-BC412914  Aconogonon davisiae John Thomas Howell 1939-8-2 14897 Siskiyou Spirit Lake, Marble Mts. 1828 Comment
  HSC101501  Aconogonon phytolaccifolium J. P. Smith, J. O. Sawyer 2011-7-21 13030 Siskiyou Flint Valley at the end of the G-O Road. 1313 Comment
  HSC61825  Aconogonon phytolaccifolium Ruby Van Deventer 1959-7-9 Siskiyou Poker Flat 1585 Comment
  CAS-BOT-BC391706  Actaea rubra Doris K. Kildale 1928-7-2 5415 Siskiyou Salmon Summit, via Horn Creek trail 1981 Comment
  UC637155  Actaea rubra Edward Lee 1934-8-15 1130 Siskiyou near summit of rd. Happy Camp to Waldo (Oregon); Klamath Nat'l Forest, Indian Creek watershed 1584 Comment
  HSC58867  Adenocaulon bicolor Marvin Butler 1971-7-29 234 Siskiyou Near Copper Mountain Mines, close to the town of Cave Junction 1464 Comment
  RSA184626  Adenocaulon bicolor Clare B. Hardham 1965-8-20 1302 Siskiyou Marble Mts. Granite Trail near Cudahy Lakes 1372 Comment
  CAS-BOT-BC69699  Adiantum aleuticum H. M. Hall 1902-9-15 5259 Siskiyou Shasta Springs. 822 Comment
  CHSC99693  Adiantum aleuticum L. P. Janeway 2008-7-23 9461 Siskiyou Klamath Ranges. Trinity Mountain/The Eddys; along Road 40N45 9.8 road km north-northwest of Road 26; at a small tributary creek to upper Little Picayune Creek. Next to flowing water along a small west-flowing creek. 1847 Comment
  JEPS104915  Adiantum aleuticum Dean Wm. Taylor with Glenn L. Clifton 1996-7-26 15858 Siskiyou Cliff Lake, The Eddys (about 15 air miles southwest of Weed); Shasta-Trinity National Forest 1920 Comment
  RSA687743  Adiantum aleuticum M. B. Dunkle 1945-1 9314 Siskiyou Klamath National Forest, Marble Mountains 2439 Comment
  HSC36730  Adiantum aleuticum Brent Whiteley 1975-7-1 113 Siskiyou 671 Comment
  UCR9591  Aegilops cylindrica D. O. Clark 1970-6-23 s.n. Siskiyou Montague, NE corner of Spiers and 9th Streets Comment
  SEINET14139457 Image available Aegilops cylindrica T. C. Fuller 1960-5-24 4341 Siskiyou Roadside ditch, 4 mi. E. Montague Comment
  HSC46720  Ageratina occidentalis William J. Ferlatte 1976-9-22 1860 Siskiyou 100 yds. N. of Dorleska Summit on Trinity County Line. 2134 Comment
  RSA238885  Ageratina occidentalis Frederick W. Oettinger 1968-8-23 616 Siskiyou Diamond Lake spillway half way up to English lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1951 Comment
  CAS-BOT-BC15477  Agoseris X dasycarpa Elmer I. Applegate 1923-8-19 3897 Siskiyou Medicine Lake Comment
  CAS-BOT-BC15482  Agoseris X dasycarpa Alice Eastwood 1921-7-29 10959 Siskiyou Medicine Lake Comment
  HSC76704  Agoseris aurantiaca K. T. Stillman 1976-7-14 223 Siskiyou Marble Mtn. Wilderness Area, Kings Castle 2073 Comment
  JEPS36275  Agoseris aurantiaca var. aurantiaca Geo. D. Butler 1908-8-4 300 Siskiyou head of Shackelford Creek 1676 Comment
  CDA316  Agoseris grandiflora T. C. Fuller 1965-6-1 13587 Siskiyou West side of Highway 99 to Grenada, 4 miles south of Yreka. 0 Comment
  CDA9942  Agoseris heterophylla F. D. Horn 1979-4-29 Siskiyou Horn Ranch, Etna. 0 Comment
  JEPS23680  Agoseris heterophylla var. heterophylla W. L. Jepson 1894-1 Siskiyou Sisson Comment
  RSA264989  Agoseris retrorsa Gilbert Muth 1975-7-28 10065 Siskiyou Near Cook and Green Pass, near Seiad Valley 1524 Comment
  SJSU11317  Agrostis capillaris S. H. Casey 1981-7-4 1210 Siskiyou near Cook & Green Pass, Seiad Creek Rd c. 5 mi N of Seiad Valley, northwestern Siskiyou County 1463 Comment
  RSA239094  Agrostis humilis Frederick W. Oettinger 1969-9-4 1656 Siskiyou Hancock Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1890 Comment
  JEPS83987  Agrostis idahoensis L. R. Heckard with S. D'Alcamo, J. Hickman 1986-7-16 6385 Siskiyou ca 7 mi nne Seiad Valley (w of Cook and Green Pass, ca 1.5 mi e of Red Butte summit) 1900 Comment
  CAS-BOT-BC138934  Agrostis pallens Annie M. Alexander; Louise Kellogg 1949-7-20 5818 Siskiyou Marble Mountains. Paradise Lake. 1920 Comment
  HSC30513  Agrostis pallens Frederick W. Oettinger 1969-9-1 1571 Siskiyou Midway on slope from English Lake to Dry Lake, Salmon Mountains 2134 Comment
  HSC30514  Agrostis pallens Frederick W. Oettinger, R. F. Thorne 1969-8-6 1230 Siskiyou Marble Mtn. Wilderness Area, S of Pine Lake on the face of a steep cliff, between crevices. 1921 Comment
  RSA239082  Agrostis pallens Frederick W. Oettinger 1969-8-24 5750 Siskiyou Upper English Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1753 Comment
  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
  UCD53103  Agrostis pallens Beecher Crampton 1956-8-21 3827 Siskiyou 1/2 mile northeast of Gumboot Lake the headwater of the Sacramento River (south fork). 1767 Comment
  UCD53186  Agrostis pallens A. H. Murphy 1955-7-29 55 P Siskiyou Clear Lake, Marble Mountains, Klamath National Forest. 1798 Comment
  UCD53524  Agrostis stolonifera P. B. Kennedy 1923-7-29 s.n. Siskiyou Sisson (Mount Shasta), by camp. Comment
  HSC103905  Agrostis variabilis Dana York, Richard Helliwell 2010-9-11 3013 Siskiyou Six Rivers National Forest. Northeast slope of Broken Rib Mountain 1671 Comment
  UC814485  Alisma plantago-aquatica Alice Eastwood 1912-7-17 1195 Siskiyou Sisson Comment
  JEPS84245  Allium L. R. Heckard with J. Hickman et al. 1986-7-17 6522 Siskiyou e Condrey Mt.; Alex Hole 1980 Comment
  CAS-BOT-BC462991  Allium bolanderi John Thomas Howell 1980-5-20 53560 Siskiyou Lightning Grade Road between Oro Fino and Fort Jones 868 Comment
  CHSC30249  Allium falcifolium M. S. Taylor 1980-7-8 3111 Siskiyou S of Castle Lake, above Hearts Lake. 2016 Comment
  UC593521  Allium falcifolium E. B. Babcock, G. L. Stebbins Jr. 1936-6-11 1913 Siskiyou about 7 mi sw Yreka (s of highway from Yreka to Fort Jones); Forest House Mt. 1363 Comment
  UCD141852  Allium hoffmanii Alfred H. Murphy 1961-7-20 61 P Siskiyou west of Marble Valley Guard Station, Marble Mountains. 2042 Comment
  CAS-BOT-BC474038  Allium parvum Elmer I. Applegate 1925-4-26 4238 Siskiyou Ridge between Tule Lake and Lower Klamath Marsh. Comment
  RSA697276  Allium peninsulare var. peninsulare D. W. Taylor 1996-5-29 15641 Siskiyou Marble Mountains; Drainage of Kidder Creek; cliffs on deeply incised canyon of Kidder Creek about 2 miles west of Scott Valley, Klamath National Forest. 854 Comment
  UC1222815  Allium siskiyouense Joseph P. Tracy 1951-6-16 19491 Siskiyou 3 mi s Oregon-California Line (within 200 yards of the stopping place, summit of the Siskiyous at the crossing of the Takilma-Happy Camp Road); Siskiyous Comment
  HSC27686  Allotropa virgata Carl W. Mize 1979-6-8 43 Siskiyou 335 Comment
  CAS-BOT-BC171393  Alnus incana subsp. tenuifolia Alice Eastwood 1921-7-25 10823 Siskiyou Bigelows, on the Mc. Cloud R. Comment
  CAS-BOT-BC171409  Alnus incana subsp. tenuifolia A. A. Heller 1916-8-24 12559 Siskiyou near Sisson 10 Comment
  SEINET5536248 Image available Alnus incana subsp. tenuifolia A. A. Heller 1916-1 12559 Siskiyou near Sisson 1071 Comment
  UC1034619  Alnus rhombifolia Douglas Barbe 1955-6-27 5 Siskiyou 0.8 mi n Callahan (in dredgings near Hjertagers' Mill); Klamath Mountains 975 Comment
  CAS-BOT-BC169646  Alnus rhombifolia W. R. Dudley 1901-8-26 s.n. Siskiyou By East Fork of Scotts Creek, Salmon Mountains Comment
  HSC65416  Alnus viridis subsp. sinuata Rich White 1978-7-3 221 Siskiyou Lake E of Sawtooth Trail, N of Dillon Trail 1502 Comment
  SBBG14332  Alnus viridis subsp. sinuata J. Major 1961-7-14 649 Siskiyou Mud Crk, Mt Shasta 2316 Comment
  HSC26546  Alopecurus aequalis J. P. Smith, Steve Selva 1970-8-8 4552 Siskiyou Juanita Lake Comment
  UC1100238  Alopecurus aequalis Herbert L. Mason 1948-7-18 13617 Siskiyou Grass Lake Comment
  NY785946  Alyssum alyssoides A. A. Heller 1905-6-17 8054 Siskiyou Comment
  JEPS54304  Amaranthus blitoides Geo. D. Butler 1908-8-14 64 Siskiyou near Yreka Comment
  JEPS100295  Ambrosia artemisiifolia Dean W. Taylor 2001-8-27 17903 Siskiyou Mt. Shasta; in Weed, along shoulder of old highway to Yreka on far western end of town 1036 Comment
  CAS-BOT-BC142916  Amelanchier Elizabeth McClintock; Wayne Roderick; Martha Roderick 1967-7-29 s.n. Siskiyou West side of Bumboot Lake, Trinity Mts. 1828 Comment
  HSC69210  Amelanchier alnifolia Maralyn A. Renner 1980-7-24 2081 Siskiyou Lily Pad Lake 1768 Comment
  HSC65538  Amelanchier pallida R. White 1977-6-20 88 Siskiyou NE area around Devil's Punchbowl 1433 Comment
  UCD112893  Amelanchier pallida Roy V. Parker 1956-5-15 119 Siskiyou 8 miles E of McCloud, Highway 89. 1097 Comment
  RSA453149  Amelanchier pallida Bonnie C. Templeton 1960-6-21 8545 Siskiyou Edge of cienega, Scott Mts Comment
  CAS-BOT-BC136888  Amelanchier utahensis J. H. Thomas 1954-5-13 4126 Siskiyou Salmon Mountains, Klamath National Forest. Near South Fork of Salmon River, 5 to 9 miles southeast of Cecilville. Vicinity of Blind Horse Creek 1066 Comment
  CAS-BOT-BC136902  Amelanchier utahensis Alice Eastwood 1921-7-24 10730 Siskiyou Castle Lake Comment
  CAS-BOT-BC136912  Amelanchier utahensis Doris K. Kildale 1929-7-20 8635 Siskiyou Trail up South Fork Indian Creek to Elk Lick Comment
  UC618747  Amelanchier utahensis unknown 1938-8-5 11434 Siskiyou MacBride Spring Road; Mount Shasta Comment
  CHSC88371  Amphiscirpus nevadensis Jenny Marr 1993-7-1 177 Siskiyou Butte Valley Wildlife Area, +/- 7 air miles NW of the town of MacDoel. Meadow NW of Meiss Lake. 1349 Comment
  HSC63987  Amsinckia intermedia J. P. Smith 1973-5-5 6533 Siskiyou Scott Bar along the Scott River Comment
  CAS-BOT-BC45213  Anaphalis margaritacea A. A. Heller 1914-8-28 11734 Siskiyou East side of Mount Eddy 2103 Comment
  JEPS40557  Ancistrocarphus filagineus Geo. D. Butler 1909-5-24 718 Siskiyou near Yreka Comment
  HSC38  Anemone deltoidea William J. Ferlatte 1966-6-22 112 Siskiyou Josephine Lake Basin 1677 Comment
  HSC69330  Anemone deltoidea John Palmer 1980-8-12 753 Siskiyou Road to Bearground Spring from Beaver Creek Rd. 1341 Comment
  HSC44  Anemone drummondii William J. Ferlatte 1966-8-4 317 Siskiyou Above Yellow Rose Mine 2134 Comment
  POM365634  Anemone drummondii M. B. Dunkle 1945-1 9358 Siskiyou Klamath National Forest; Marble Mountains, Black Marble ridge [?]. Comment
  HSC77077  Anemone multifida var. multifida K. T. Stillman 1976-6-26 114 Siskiyou Marble Mtn. Wilderness Area 2012 Comment
  CAS-BOT-BC391965  Anemone occidentalis M. B. Dunkle 1945-7-19 9231 Siskiyou Klamath Natl. Forest, Marble Mts. Sky-High Bluffs Comment
  RSA238274  Anemone occidentalis Frederick W. Oettinger 1968-8-4 389 Siskiyou Along trail north of NE Crapo Peak Ridge. Salmon Mtns. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2195 Comment
  CDA39499  Anemopsis californica Cliff Giebner 1960-6-21 4540 Siskiyou Whitset Ranch. Yreka. 0 Comment
  CAS-BOT-BC221414  Angelica hendersonii Elizabeth McClintock; Wayne Roderick; Martha Roderick 1967-7-29 s.n. Siskiyou Road to Mumbo Basin, Trinity Mts. Below 6440 ft. summit Comment
  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
  HSC71966  Angelica tomentosa J. M. DiTomaso 1980-8-20 1891 Siskiyou Trail at Caribou Lake in Salmon-Trinity Alps Wilderness Area 1951 Comment
  HSC86533  Antennaria alpina D. K. Imper Jun 1987 Siskiyou 8 mi. E of the town of Mt. Shasta 2134 Comment
  CAS-BOT-BC58713  Antennaria geyeri Elmer I. Applegate 1935-8-3 10020 Siskiyou Lava Beds National Monument. Crater near Caldwell Comment
  CAS-BOT-BC77346  Antennaria media John Thomas Howell 1937-7-24 13401 Siskiyou Caribou Basin, Salmon-Trinity Alps 2286 Comment
  HSC45211  Antennaria media J. O. Sawyer, E. Cope 1977-6-20 2964 Siskiyou Behind Devil's Punchbowl 1829 Comment
  POM229877  Antennaria media L. C. Wheeler 1935-7-23 3690 Siskiyou Jaynes Canyon. Siskiyou Mts., Mt. Diablo Mer. 1951 Comment
  JEPS82732  Antennaria racemosa Wayne Roderick 1983-7-8 Siskiyou on n-facing slope Cook and Green Pass 1432 Comment
  HSC68350  Anthemis cotula J. P. Smith, Steve Selva 1970-7-17 4428 Siskiyou Along Klamath River Comment
  UCD18443  Apera interrupta Steve B. Orloff 2000-5-31 s.n. Siskiyou 4 miles north of Fort Jones, in Scott Valley, in alfalfa field on the SE side of Hwy 3. Comment
  HSC76937  Apocynum androsaemifolium K. T. Stillman 1976-8-7 205 Siskiyou Marble Mtn. Wilderness Area 1982 Comment
  JEPS49787  Apocynum androsaemifolium W. L. Jepson Jul 17 1902-Jul 22 1902 2097 Siskiyou w. Siskiyou, Devil's Backbone 1828 Comment
  JEPS80555  Apocynum androsaemifolium Gilbert Muth 1965-8-6 191 Siskiyou trail backside of Black Mt.; Marble Mt. Wilderness Area, Black Mt. 1920 Comment
  UC566936  Apocynum androsaemifolium Dorothy Tebbe 1929-7-7 7 Siskiyou Donkey Camp Mt. Eddy Comment
  UC922449  Apocynum androsaemifolium Annie M. Alexander and Louise Kellogg 1949-7-25 5871 Siskiyou s. of Paradise Lake; Marble Mt. 1920 Comment
  RSA183745  Apocynum androsaemifolium subsp. pumilum Gilbert Muth 1965-8-6 191 Siskiyou Marble mts, trail to backside of Black Mt. Comment
  CAS-BOT-BC395147  Aquilegia formosa Doris K. Kildale; J. W. Gillespie 1929-6-25 8364 Siskiyou Klamath River, 6 mi. N of Hornbrook 609 Comment
  CAS-BOT-BC397944  Aquilegia formosa Alice Eastwood 1921-7-24 10792 Siskiyou Castle Lake Comment
  UC853775  Aquilegia formosa A. A. Heller 1916-7-20 12472 Siskiyou near Wagon Creek Falls e side of Mt. Eddy Comment
  HSC22425  Aquilegia formosa var. formosa J. O. Sawyer 1969-7-16 1153 Siskiyou W of Waterdog Lake 2073 Comment
  HSC76934  Aquilegia formosa var. formosa K. T. Stillman 1976-8-7 211 Siskiyou Marble Mtn. Wilderness Area. 1951 Comment
  HSC67712  Aquilegia formosa var. truncata John Palmer 1980-7-24 612 Siskiyou Klamath National Forest, Elk Hole 1503 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
  RSA0125740  Arabis breweri L. P. Janeway 1983-9-10 650 Siskiyou South ridge of Little Grayback Mtn. 1738 Comment
  RSA0125745  Arabis breweri Geo. D. Butler 1910-5-21 1379 Siskiyou Klamath River. Comment
  HSC77285  Arabis breweri var. breweri L. P. Janeway 1983-7-4 382 Siskiyou S ridge of Little Grayback Mtn. 1738 Comment
  HSC22441  Arabis divaricarpa J. O. Sawyer 1969-7-9 1257 Siskiyou W facing slope above Bingham Lake 2317 Comment
  RSA0126149  Arabis divaricarpa Frederick W. Oettinger 1969-8-18 1421 Siskiyou West side of Horse Range Lake. Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1822 Comment
  RSA758211  Arabis holboellii R. F. Thorne 1969-8-2 63336 Siskiyou Klamath National Forest, Salmon Mountains, Marble Mountain Wilderness Area, high lake basins in the vicinity of English Peak 1159 Comment
  RSA22009  Arabis holboellii var. retrofracta J. T. Howell 1939-8-2 14913 Siskiyou Spirit Lake, Marble Mts. Comment
  RSA78819  Arabis holboellii var. retrofracta P. A. Munz 1952-7-2 17897 Siskiyou Baldy Mountain ca. 6 miles west (by air) of Happy Camp. 1738 Comment
  HSC90630  Arabis koehleri var. stipitata Jennifer Whipple 1976-7-8 1364 Siskiyou Klamath Mtns.: N to NE facing steep granite bluff above Dobkins Lake 2317 Comment
  HSC22083  Arabis platysperma J. O. Sawyer 1969-7-11 1325 Siskiyou E facing slope above S Sugar Creek 1890 Comment
  HSC22084  Arabis platysperma J. O. Sawyer 1969-7-25 1543 Siskiyou SW facing upper slope above Sugar Lake 2210 Comment
  HSC75660  Arabis platysperma J. O. Sawyer, R. J. Cole 1980-7-20 3704 Siskiyou Little Glass Mtn. 1951 Comment
  UC855541  Arabis rectissima var. rectissima A. A. Heller 1916-6-23 12421 Siskiyou near Black Butte (n of Sisson) 1127 Comment
  HSC65083  Aralia californica J. P. Smith, Steve Selva 1970-6-14 3887 Siskiyou 1 mi. E of Steinacher Creek Rd. on Rd. to Forks of Salmon Comment
  UC1212569  Aralia californica Francia Chisake and Helen Sharsmith 1959-8-20 4744 Siskiyou Salmon R between Forks of Salmon and Somes Bar (several mi. from Forks of Salmon); Inner North Coast Ranges, Salmon R. 304 Comment
  CHSC75764  Arceuthobium campylopodum Vernon H. Oswald; Lowell Ahart 1999-7-5 9816 Siskiyou Hwy. 3 4.0 mi southeast of Gazelle-Callahan Hwy. 1365 Comment
  SEINET3239867  Arceuthobium monticola R. L. Mathiasen 2003-1 2003 -62 Siskiyou 1.4 km W of Cook and Green Pass. 1640 Comment
  RSA237456  Arceuthobium tsugense Frederick W. Oettinger 1969-9-5 1678 Siskiyou Between Abbotts Lake and Wiregrass Meadow. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1677 Comment
  SEINET2140127  Arceuthobium tsugense subsp. mertensianae R. L. Mathiasen 2007-1 2007 -53 Siskiyou 1 km SE. of trail to Duck Lake on trail to Eaton Lake, Russian Peak Wilderness. 1730 Comment
  SEINET8530038  Arceuthobium tsugense subsp. mertensianae R. L. Mathiasen 2003-7-27 2003 -42 Siskiyou 1.2 km NW of Ahlgren Cabin on Garden Gulch Trail Comment
  CAS-BOT-BC39005  Arctostaphylos klamathensis Wayne Roderick; Martha Roderick 1979-7-11 s.n. Siskiyou Mumbo Basin 1737 Comment
  SEINET11989682  Arctostaphylos klamathensis Unknown 1982-1 20802 Siskiyou around little lake above & E of Upper Cliff Lake 1981 Comment
  CAS-BOT-BC39983  Arctostaphylos nevadensis Wayne Roderick; Martha Roderick 1979-7-11 s.n. Siskiyou Mumbo Basin 1737 Comment
  CAS-BOT-BC40024  Arctostaphylos nevadensis W. B. C. 1938-8-18 11504 Siskiyou Mount Shasta - Horse Camp Slopes Hudsonian 2514 Comment
  CAS-BOT-BC45434  Arctostaphylos nevadensis Doris K. Kildale 1929-7-20 8710 Siskiyou Raspberry Lake, upper Indian Creek. 1828 Comment
  HSC67824  Arctostaphylos nevadensis J. O. Sawyer, J. Cole 1980-7-20 3765 Siskiyou 2 mi. N of Little Glass Mtn., on road connecting FS Rd. 45N05 with FS Rd. 47N75 1875 Comment
  JEPS82684  Arctostaphylos nevadensis Wayne Roderick 1984-6-5 Siskiyou above Castle Lake (ca. 12 air km sw of Mt. Shasta City) 1981 Comment
  POM367359  Arctostaphylos nevadensis L. C. Wheeler 1934-7-23 2943 Siskiyou Long John Creek. 1463 Comment
  SEINET3411144 Image available Arctostaphylos nevadensis James D. Montgomery 1969-7-24 80918 d Siskiyou Mount Shasta, Shasta National Forest. 1981 Comment
  SJSU11157  Arctostaphylos nevadensis P. L. Billings 1965-7-12 93 Siskiyou slope above Horse Camp, SW side of Mt Shasta 2377 Comment
  UC154199  Arctostaphylos nevadensis Harley P. Chandler June 1901 1598 Siskiyou near Marble Mountain; North Coast Ranges 2133 Comment
  UC412651  Arctostaphylos nevadensis Mus. Vert. Zool. 1911-6-21 166 Siskiyou Jackson Peak and Lake 2438 Comment
  CAS-BOT-BC46465  Arctostaphylos patula Elizabeth McClintock; Wayne Roderick; Martha Roderick 1967-7-29 s.n. Siskiyou W. side of Gumboot Lake, Trinity Mts. 1828 Comment
  CAS-BOT-BC46520  Arctostaphylos patula Doris K. Kildale 1929-7-20 8718 Siskiyou Raspberry Lake, upper Indian Creek. 1828 Comment
  CAS-BOT-BC46521  Arctostaphylos patula Roger Raiche; Kurt Zadnik 1982-10-12 20820 Siskiyou On road to Mt. Eddy. 1524 Comment
  JEPS38834  Arctostaphylos patula Geo. D. Butler 1909-4-11 756 Siskiyou Weed Comment
  POM367403  Arctostaphylos patula Christopher Davidson 1975-6-5 2649 Siskiyou 2.4 mi E of town of Mt. Shasta on Mt. Shasta Uplands Rd. 1280 Comment
  POM77330  Arctostaphylos patula Geo D. Butler 1909-3-28 586 Siskiyou Hills near Yreka. Comment
  RSA238582  Arctostaphylos patula Frederick W. Oettinger 1969-7-14 1018 Siskiyou On the ridge between David Montain (peak S.W. of Charmaine Lake) and the peak due S. of Abbotts lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. Comment
  UC54435  Arctostaphylos patula H. M. Hall and E. B. Babcock June, 1903 4103 Siskiyou above Sheep Rock (n side of mt.); Sierra Nevada Mountains, Mount Shasta 1371 Comment
  UCD53415  Arctostaphylos patula A. T. Leiser 1973-3-22 D 2504 Siskiyou Dunsmuir. Comment
  RSA238585  Arctostaphylos patula Frederick W. Oettinger 1969-7-29 1100 Siskiyou Mt. Chaparral element due E. of Uncles Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1829 Comment
  CAS-BOT-BC47098  Arctostaphylos viscida subsp. viscida John Thomas Howell 1980-4-29 53419 Siskiyou Near Cheeseville, Scott Valley. 853 Comment
  RSA629723  Arctostaphylos viscida subsp. viscida L. C. Wheeler 1958-8-19 7401 Siskiyou Seiad Creek Mine. Comment
  UC1282011  Arenaria congesta var. suffrutescens Louise Kellogg Aug 5 1953-Aug 7 1953 107 Siskiyou 1 mi n Cory Peak ((11 mi e of Callahan on road to Gazzelle, then s 5.8 mi on loggin road).); Klamath National Forest, Scott Mountains, Cabin Meadow 1844 Comment
  UC454232  Arenaria congesta var. suffrutescens I. J. Condit 1909-8-2 Siskiyou near Sisson; Castle Lake 1828 Comment
  UC1037313  Arnica chamissonis Leo Whitney 1934-6-23 1836 Siskiyou near Tennant; Antelope Creek 1463 Comment
  HSC63258  Arnica cordifolia M. A. Baker 1979-7-31 1099 Siskiyou Johnson's Hunting Ground 2080 Comment
  RSA237583  Arnica cordifolia Frederick W. Oettinger 1969-8-1 1122 Siskiyou SW just above Wiregrass Meadow. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1707 Comment
  CAS-BOT-BC82556  Arnica discoidea Ira L. Wiggins 1955-7-23 13465 Siskiyou ridge W of China Creek, S side of S Fork of Salmon River 1005 Comment
  HSC4913  Arnica discoidea J. O. Sawyer 1968-7-23 616 Siskiyou Near Big Flat Campground, Trinity Alps Primitive Area 1524 Comment
  HSC62592  Arnica discoidea Al Hobart 1967-8-8 Siskiyou Youngs Valley Comment
  UC166589  Arnica discoidea Geo. D. Butler 1910-6-4 1492 Siskiyou Shackleford Creek Comment
  CAS-BOT-BC82660  Arnica latifolia H. A. Thomas; J. H. Thomas 1954-7-24 4490 Siskiyou Salmon - Trinity Mts. Vicinity of Rush Lake and Rush Creek Meadow. About 9 miles E of Cecilville 1981 Comment
  CAS-BOT-BC82661  Arnica latifolia Doris K. Kildale 1928-8-19 6549 Siskiyou Hancock Lake, on trail to Marble Mt. Comment
  HSC22199  Arnica latifolia J. O. Sawyer 1968-7-2 353 Siskiyou Upper drainage of Joe Creek on steep N facing slopes. 1677 Comment
  UC609369  Arnica latifolia Eleanor Burks Hart 1938-8-16 916 Siskiyou Upper Wright Lake 2225 Comment
  RSA238805  Arnica latifolia Frederick W. Oettinger 1968-8-10 460 Siskiyou Old trail along rock slide between Diamond Lake and Hancock Lake. Salmon Mtns. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1974 Comment
  RSA253490  Arnica latifolia C. L. Hitchcock, J. S. Martin 1939-7-7 5233 Siskiyou On road to Bolan Lake, 5 mile from cut off at jct with Takilma Happy Camp road 1768 Comment
  UC1096783  Arnica longifolia H. K. Wagnon 1957-8-11 1713 Siskiyou ca 1 mi n, (along Ash Cr.) Military Pass Rd.; Mt. Shasta, Ash Creek Comment
  HSC65396  Arnica mollis Rich White 1978-7-3 203 Siskiyou 3/4 mile from Sawttoth Trail. Ridgetop near where Dillon Trail crosses Saddle 1768 Comment
  HSC96404  Arnica mollis Gordon Leppig, J. Kalt 1996-7-9 349 Siskiyou Klamath National Forest, Russian Wilderness, cirque W of Little Duck Lake 2200 Comment
  UC165319  Arnica mollis Geo. D. Butler 1908-8-4 336 Siskiyou head of Shackleford Creek Comment
  RSA237477  Arnica nevadensis Frederick W. Oettinger 1967-7-20 177 Siskiyou SSE of Diamond Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2073 Comment
  HSC29299  Arnica viscosa Frederick W. Oettinger 1968-9-2 668 Siskiyou High Lake Basins near English Peak, marble Mountain Wilderness Area; N facing slope SSW of Upper English Lake 1860 Comment
  JEPS24420  Arnica viscosa unknown Siskiyou Comment
Read comments
Jul 22 2010
  UC1475693  Arnica viscosa Muth and Overton 1979-8-12 13687 Siskiyou near Cliff Lake; Scott Bar Quad. 1951 Comment
  CAS-BOT-BC90476  Artemisia douglasiana Ira L. Wiggins 1955-7-26 13511 Siskiyou Banks of S Fork of Salmon R just above mouth of Blind Horse Creek 886 Comment
  CAS-BOT-BC90740  Artemisia ludoviciana subsp. incompta Gilbert Muth 1966-7-31 472 Siskiyou north side of Black Mountain, Marble Mts. 2011 Comment
  CAS-BOT-BC90741  Artemisia ludoviciana subsp. incompta Gilbert Muth 1965-8-18 s.n. Siskiyou [Nort] North side of Black Mountain Comment
  CAS-BOT-BC97418  Artemisia tridentata subsp. tridentata George H. Ward; Ann Ward 1949-7-14 828 Siskiyou ca. 15 mi. NE of Weed Comment
  CAS-BOT-BC447710  Aruncus dioicus var. vulgaris John Thomas Howell 1966-8-3 497 Siskiyou Marble Valley by creek; Marble Mts. 1792 Comment
  RSA237600  Aruncus sylvester Frederick W. Oettinger, Robert F. Thorne 1969-8-9 1327 Siskiyou Near Five miles Point, Stock gate slope near Herr Creek. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1098 Comment
  SEINET11165203 Image available Aruncus sylvester Unknown 1974-8-12 Siskiyou Somes Bar Comment
  SEINET5470288 Image available Asarum hartwegii George Neville Jones 1967-6-29 45503 Siskiyou Near Dunsmuir- lower slopes of Mt. Shasta- alt. 3000 Comment
  SEINET6833745  Asclepias cordifolia G. D. Butler 1910-5-23 1396 Siskiyou Humbug Mountain 1219 Comment
  HSC65054  Asclepias speciosa J. P. Smith, Steve Selva 1970-6-16 4085 Siskiyou W of Sawyers Bar Comment
  HSC65314  Asclepias speciosa J. P. Smith, Steve Selva 1970-7-15 4362 Siskiyou Baldy Mtn. Lookout Station 1723 Comment
  SEINET10741573  Asclepias speciosa H. E. Brown 1897-7-15 Brown 493 Siskiyou N side of Mt. Shasta Comment
  CAS-BOT-BC69551  Aspidotis densa Louis C. Wheeler 1934-8-13 3112 Siskiyou E. Fork Horse Creek, Siskiyou Mts. Mt. Diablo Mer. 1981 Comment
  UC42607  Aspidotis densa W. H. Brewer 1863-9-9 1360 Siskiyou Castle Rocks near Mt Shasta Comment
  UCD137313  Aspidotis densa Dorothy Tebbe 1929-6-7 142 Siskiyou Mt. Eddy. Comment
  POM211816  Aster eatonii L. C. Wheeler 1934-9-19 3284 Siskiyou Walker, Klamath River 518 Comment
  RSA14493  Aster eatonii Elmer I. Applegate 1923-8-21 3923 Siskiyou Low alkaline ground along Willow Creek S of lower Keamath marsh Comment
  RSA417679  Aster integrifolius L. C. Wheeler 1934-8-14 3119 Siskiyou 1 mile west of White Mt., Siskiyou Mts. 1921 Comment
  UCR139080  Aster ledophyllus Jennifer Whipple 1977-8-4 2158 D Siskiyou Klamath Mountains, Wagon Creek drainagee on the E face of Mount Eddy 2226 Comment
  UC909322  Astragalus californicus Dorothy Parker 1948-6-14 Siskiyou Rail Creek East Fork Scott River drainage, Plowman's Valley, Rail Creek (Plowman's Valley, East Fork Scott River drainage) 1203 Comment
  CAS-BOT-BC186740  Astragalus gambelianus John Thomas Howell; T. C. Fuller; G. D. Barbe 1980-4-29 53384 Siskiyou Yreka 792 Comment
  JEPS87067  Astragalus inversus Dean Wm. Taylor and Rexford E. Palmer 1988-6-23 9865 Siskiyou ca 1 mi se Adobe Flat (ca 4 mi n of Timbered Crater, Modoc Plateau); Fall River Mills Quad., Modoc Plateau, n of Timbered Crater 1097 Comment
  RSA184717  Astragalus purshii var. lectulus Gilbert Muth 1966-7-22 438 Siskiyou Marble Rim, Marble Mountains 2195 Comment
  CAS-BOT-BC192915  Astragalus purshii var. lectulus J. P. Moore 629 Siskiyou Shasta Valley Comment
  CAS-BOT-BC193068  Astragalus purshii var. tinctus Roxana S. Ferris; Laura Lorraine 1948-6-12 11710 -A Siskiyou Schoolhouse Hill, Plowman's Valley [Noyes Valley], east fork of Scott River Comment
  CDA18415  Astragalus purshii var. tinctus G. D. Barbe, T. C. Fuller & J. T. Howell 1980-4-29 2654 Siskiyou Klamath Ranges; Schoolhouse Hill, summit of Gazelle-Callahan Road, 7 miles (11.3 km) east of Callahan. 1173 Comment
  UC163878  Astragalus purshii var. tinctus Geo. D. Butler 1910-3-20 1134 Siskiyou near Yreka; near Yreka Comment
  UC796574  Astragalus purshii var. tinctus Roxana S. Ferris and Laura Lorraine Jun 12 1948-Jun 16 1948 11710 Siskiyou Schoolhouse Hill, Plowman's Valley (Noyes Valley), East fork of Scott River Plowman's Valley (Noyes Valley), E. Fork of Scott River, Sch Comment
  RSA110923  Astragalus purshii var. tinctus R. C. Barneby 1954-5-16 11518 Siskiyou Scott Bar. 549 Comment
  UC635309  Astragalus whitneyi Dorothy Tebbe 1929-7-1 77 Siskiyou Dobkins Lake , Dobkins Lake (Mount Eddy) Comment
  CHSC81502  Astragalus whitneyi var. confusus Ann Willyard 2000-6-21 744 Siskiyou On private ranch ca. 3 air mi n Lake Shastina, ca. 3 air mi e Interstate 5; ca. 1 air mi w Hole-in-the-Ground Springs. UTM: 10 547700 E 4602900 N. 792 Comment
  CAS-BOT-BC198711  Astragalus whitneyi var. siskiyouensis Peter H. Raven 1956-9-4 10386 Siskiyou Ridge south of Mount Eddy 2286 Comment
  CHSC67491  Astragalus whitneyi var. siskiyouensis James D. Jokerst 1992-7-30 3428 Siskiyou Top of divide between Trinity River, summit of reddish mountain S of road crossing saddle. [no additional location data; W of Interstate 5? V. Oswald] Comment
  UC1001185  Astragalus whitneyi var. siskiyouensis Dorothy Parker 1953-7-20 547 Siskiyou Cabin Meadow Creek near Cory Peak (Siskiyou Mountains, dry rocky hillside); Siskiyou Mountains, Cabin Meadow Creek nr Cory Peak 1981 Comment
  CAS-BOT-BC198701  Astragalus whitneyi var. siskiyouensis W. R. Dudley 1901-8-26 s.n. Siskiyou By trail south Fork Scott Creek - Salmon Mts. Comment
  RSA105491  Astragalus whitneyi var. siskiyouensis G. D. Barbe 1955-7-26 272 Siskiyou On northwest slope of Scott Mtn. near a dry ditch. 1829 Comment
  CAS-BOT-BC68702  Athyrium alpestre var. americanum Ira L. Wiggins 1955-7-27 13567 Siskiyou Caribou Lake, Salmon-Trinity Alps Primitive Area 2042 Comment
  UCD78116  Athyrium filix-femina var. californicum Robert E. Preston 2001-6-30 1630 Siskiyou Klamath National Forest, north slope of Rainbow Mountain. 1694 Comment
  UC42238  Athyrium filix-femina var. cyclosorum Marshall A. Howe 1894-7-25 Siskiyou Sisson Comment
  UC1733687  Athysanus pusillus Kay H. Beach, Frank Gould 1940-5-16 635 A Siskiyou in mixed coniferous forest. Summit of Bald Mountain grade about 11 miles west of Mt. Hebron. Comment
  HSC59893  Atriplex micrantha R. & G. Pederson 1979-10-10 51 Siskiyou Lower Klamath National Wildlife Refuge, Unit 3. Comment
  CAS-BOT-BC170611  Atriplex trinervata Geo. D. Butler 1910-8-18 1841 Siskiyou Shasta Valley Comment
  HSC4357  Atriplex truncata L. C. Wheeler 1934-10-21 3330 Siskiyou Shasta Valley 4 mi. E of Grenada 869 Comment
  RSA210848  Atriplex truncata R. F. Thorne, J. Henrickson, C. W. Tilforth 1969-9-3 39039 Siskiyou 2 miles W of Lower Klamath National Wildlife Refuge 1296 Comment
  HSC9030  Avena fatua D. M. Thomson 1965-7-17 152 Siskiyou Lava Beds National Monument, N boundary Comment
  JEPS117723  Azolla microphylla Lowell Ahart, John Dittes 2010-7-30 16955 Siskiyou Along the west edge of the Shasta River, about 120 yards northwest of the East Louie Road Bridge, Shasta Big Springs Ranch, 1.6 miles (air) southwest of Big Springs Lake, 4.6 miles (air) northwest of Dwinnel Dam, 5.7 miles (air) southeast of Grenada 716 Comment
  HSC44960  Barbarea orthoceras J. O. Sawyer 1978-6-16 3223 Siskiyou Marble Mtn. Wilderness Area, Upper Elk Valley 1951 Comment
  RSA331954  Berberis aquifolium var. aquifolium Dave Kelly, Walter Wisura 1985-7-31 4082 Siskiyou 9.1 mi. SW of Gazelle on Callahan Rd. Comment
  CAS-BOT-BC75722  Berberis nervosa Alice Eastwood 1921-7-26 10862 Siskiyou Soda Creek. Comment
  HSC69087  Berberis nervosa Maralyn A. Renner 1980-7-24 2120 Siskiyou Pacific Crest Trail, 0.25 mi. SW of Cook and Green Pass. 1494 Comment
  CAS-BOT-BC75918  Berberis piperiana Doris K. Kildale 1929-4-27 7500 Siskiyou Cecilville upper South Fork of Salmon River. Comment
  CAS-BOT-BC75934  Berberis piperiana Geo. D. Butler 1910-8-1 1807 Siskiyou Yreka Creek. Comment
  CAS-BOT-BC169488  Betula occidentalis W. R. Dudley 1901-8-26 s.n. Siskiyou Salmon Mountains Comment
  RSA45329  Betula occidentalis Dorothy Parker 1947-4-27 177 Siskiyou Along the banks of the East Fork of Scott River, Plowmans Valley. 1159 Comment
  UC1076038  Betula occidentalis Herbert L. Mason 1947-5-15 14754 Siskiyou nw Edgewood Comment
  RSA96620  Betula occidentalis P. C. Everett, E. K. Balls 1954-10-13 20281 Siskiyou Seiad Creek, road to Kangaroo Mt, 6.5 miles NE from Hwy 96. 701 Comment
  CAS-BOT-BC102118  Bidens cernua Alice Eastwood 1917-9-2 6658 Siskiyou Shasta Springs Comment
  CAS-BOT-BC102122  Bidens cernua L. E. Smith 1915-7-1 s.n. Siskiyou Desty Comment
  CAS-BOT-BC413073  Bistorta bistortoides Geo. D. Butler 1910-6-5 1477 Siskiyou Shackleford Creek Comment
  CAS-BOT-BC127930  Blepharipappus scaber Alice Eastwood 1912-7-20 1252 Siskiyou Hornbrook Comment
  CAS-BOT-BC127946  Blepharipappus scaber Geo. D. Butler 1909-5-10 697 Siskiyou Yreka Comment
  CHSC38990  Blepharipappus scaber J. D. Jokerst 1983-7-21 1865 B Siskiyou Center of the east edge of the large open meadow at Wiley Ranch. Comment
  HSC46196  Blepharipappus scaber Jennifer Whipple 1977-4-30 1875 Siskiyou Scott Valley near Weston Gulch 854 Comment
  OBI55409  Blepharipappus scaber David J. Keil, Kathleen Keil 1992-7-21 23513 Siskiyou Klamath Natl forest SE of Callahan on hwy 3, 5.3 mi NW of Scott Mtn summit Comment
  OBI55524  Blepharipappus scaber David J. Keil, Kathleen Keil 1992-7-21 23513 Siskiyou Klamath Natl forest SE of Callahan on hwy 3, 5.3 mi NW of Scott Mtn summit Comment
  POM215870  Blepharipappus scaber L. C. Wheeler 1935-6-9 3553 Siskiyou Yreka Creek, Siskiyou Mountains. 1220 Comment
  RSA120894  Blepharipappus scaber Milo S. Baker 1957-6-16 13125 Siskiyou Scott Mountain. 1616 Comment
  CAS-BOT-BC16872  Boechera R. C. Wenk 2005-7-19 329 Siskiyou Along Pacific Crest Trail, near top of pass below Mount Eddy. 2438 Comment
  CAS-BOT-BC16049  Boechera breweri subsp. shastaensis Alice Eastwood; John Thomas Howell 1934-4-20 1762 Siskiyou Near Yreka along Shasta River. Comment
  CAS-BOT-BC540349  Boechera paupercula Dana York 2012-7-20 3118 Siskiyou Siskiyou Mountains: Klamath National Forest, Red Buttes Wilderness, 430 m SSW of Red Butte along a ridge 1950 Comment
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Aug 6 2017
  UCD77345  Boechera puberula Robert E. Preston 2001-7-21 1745 Siskiyou Klamath National Forest, Rainbow Mountain, T42N R1W sw 1/4 of ne 1/4 Section 22 2255 Comment
  CAS-BOT-BC14709  Boechera repanda John Thomas Howell 1937-7-23 13374 Siskiyou South Fork of Salmon River near Big Flat. 1524 Comment
  UC166107  Boechera retrofracta Geo. D. Butler 1909-4-18 728 Siskiyou near Yreka Comment
  UC1540024  Boechera sparsiflora M. Mitchell 1936-5-14 20 Siskiyou 1/8 mi s Canby Cross; Lava Beds National Monument 1249 Comment
  CAS-BOT-BC25867  Boechera subpinnatifida John Thomas Howell 1952-6-14 28343 Siskiyou 9.5 miles from Fort Jones on road to Callahan. 853 Comment
  CAS-BOT-BC25937  Boechera suffrutescens Ira L. Wiggins 1955-7-27 13534 Siskiyou Salmon-Trinity Alps Primitive Area. Caribou Lake. 2042 Comment
  CAS-BOT-BC25926  Boechera suffrutescens Thomas W. Nelson; Jane P. Nelson 1980-7-17 6094 Siskiyou Along Forest Service road 17, 0.5 mile north of summit at county line. Comment
  HSC96288  Boykinia major Gordon Leppig 1998-8-14 1009 Siskiyou Klamath National Forest, Russian Wilderness, Little Duck Lake Fen, cirque W of Little Duck Lake 2200 Comment
  CAS-BOT-BC418459  Boykinia major Edna Kelsey 1961-8-1 s.n. Siskiyou Marble Mts. Comment
  POM92218  Boykinia major Geo. D. Butler 1908-8-22 217 Siskiyou Salmon Mtn. 1677 Comment
  UC375291  Brassica rapa Geo. D. Butler 1908-6-20 1053 Siskiyou yards around Yreka Yreka Comment
  SEINET10879263  Brickellia greenei Andrew Townesmith, Karen M. Meyer 2007-7-28 Townesmith 862 Siskiyou Shasta-Trinity National Forest. Along Forest Service route 26, 4.1 miles west of forest boundary. T39N R5W S10. 1277 Comment
  CAS-BOT-BC144105  Bromus Ira L. Wiggins 1950-5-27 12354 Siskiyou Banks of east fork of Scott River, at Callahan Ranger Station, Callahan. 975 Comment
  CAS-BOT-BC149055  Bromus carinatus var. carinatus L. P. Janeway 1983-8-26 591 Siskiyou Siskiyou Mountains. At Poker Flat. 1524 Comment
  UC1265360  Bromus carinatus var. carinatus F. W. Oettinger 1969-9-1 1576 Siskiyou to Dry Lake, Salmon Mountains, western Siskiyou County Dry Lake; Salmon Mountains, Dry Lake 2133 Comment
  UCD59193  Bromus carinatus var. marginatus Geo. D. Butler Date Unknown 844 Siskiyou Near Yreka. Comment
  UCD59194  Bromus carinatus var. marginatus Geo. D. Butler 1909-6-13 832 Siskiyou Moffett Creek. Comment
  SEINET229957 Image available Bromus ciliatus Leila M. Shultz, John S Shultz 1985-6-23 8587 Siskiyou Lava Beds National Monument ca 20 mi S of Tulelake; western extension of the Great Basin in California 1341 Comment
  CDA1799  Bromus hordeaceus G. D. Barbe, J. T. Howell, T. C. Fuller 1980-5-2 2780 Siskiyou Yreka. West of Motel 6, south of town, north of Greenhorn Creek Road. Comment
  HSC101740  Bromus hordeaceus J. P. Smith, J. O. Sawyer 2010-5-2 12801 Siskiyou Oak Bottom River Access Road 175 Comment
  UCD58799  Bromus hordeaceus Geo. D. Butler 1909-5-26 819 Siskiyou Field near Yreka. Comment
  UCR208967  Bromus japonicus Lowell Ahart, John Dittes 2005-6-9 12009 Siskiyou east side of a poor rock fence, c. 300 yards east of where cattle water in the Shasta River, about 2.5 miles (air) ESE of Grenada 775 Comment
  CAS-BOT-BC162472  Bromus laevipes L. R. Short 1933-5-31 79 Siskiyou Klamath Forest. Cougar Gulch. 914 Comment
  UCD58952  Bromus laevipes Robert E. Preston 2001-6-23 1620 Siskiyou Rainbow Mountain and Vicinity. Klamath National Forest. N-facing slope of Rainbow Mtn. 1706 Comment
  RSA239066  Bromus marginatus Frederick W. Oettinger, Robert F. Thorne 1969-8-4 1154 Siskiyou above Sundew Bog; English lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. Comment
  UCR37855  Bromus marginatus K. T. Stillman 1976-7-15 248 Siskiyou Marble Mountain Wilderness Area, Scott Bar 15' Q. 1951 Comment
  HSC103021  Bromus orcuttianus J. P. Smith 2014-6-6 13878 Siskiyou Along State Route 96 at the Portuguese Creek Access to the Klamath River 416 Comment
  UC164917  Bromus orcuttianus Geo. D. Butler 1908-7-20 469 Siskiyou Humbug Creek Comment
  CAS-BOT-BC185261  Calamagrostis koelerioides Doris K. Kildale 1929-7-21 8763 Siskiyou South Fork of Indian Creek. Elk Lick. 1219 Comment
  UC816583  Calamagrostis koelerioides John Thomas Howell 1937-7-25 13451 Siskiyou Caribou Basin Salmon-Trinity Alps 1981 Comment
  UC816584  Calamagrostis koelerioides A. A. Heller 1915-8-26 12243 Siskiyou Mt. Eddy; n side Comment
  CAS-BOT-BC185258  Calamagrostis koelerioides Doris K. Kildale 1929-8-24 8814 Siskiyou Preston Peak. 2133 Comment
  SEINET8205872  Calliscirpus criniger J. W. Stacey 1940-6-6 15054 Siskiyou near springs along the shores of Castle Lake. 1676 Comment
  HSC33963  Calocedrus decurrens J. P. Smith 1974-5-25 7431 Siskiyou Near junction of Rd. 8 with French Creek Rd. 1280 Comment
  CAS-BOT-BC488607  Calochortus elegans var. nanus Alice Eastwood 1923-5-20 11856 Siskiyou Shasta Springs Comment
  CAS-BOT-BC132420  Calochortus longebarbatus Frank; Forrest; Callahan 1989-9-3 586 Siskiyou Tom Young Flat ca. 2 mi. nw of Pondosa 1292 Comment
  HSC82362  Calochortus nudus Thomas W. Nelson, Jane P. Nelson, J. P. Smith 1978-7-24 4515 Siskiyou Siskiyou-Trinity County line, head of Scott Mtn. Creek, S of Forest Service campground 1646 Comment
  CAS-BOT-BC493097  Calochortus nudus Frank Callahan 1994-8-15 s.n. Siskiyou SE of Bartle both side of Hwy 89 in open to nearly closed canopy meadows with Salix and Pinus contorta. 1493 Comment
  CAS-BOT-BC494023  Calochortus tolmiei W. B. C. 1938-7-1 11154 Siskiyou Above Bear Spring( Transition) 1600 Comment
  UC909366  Caltha biflora Ira L. Wiggins 1950-5-28 12367 Siskiyou Above Grouse Creek, ca 1.5 miles from Carmen Lake. 1584 Comment
  CAS-BOT-BC181511  Caltha leptosepala Harley P. Chandler 1901-6-1 1571 Siskiyou Ridges and meadows near Marble Mountain 1828 Comment
  HSC29439  Caltha leptosepala Frederick W. Oettinger 1968-8-3 379 Siskiyou High Lake Basins in the vicinity of English Peak, Marble Mountain Wilderness Area; Base Camp Meadow at mid-trail between Diamond and Hancock Lakes 2012 Comment
  HSC92133  Caltha leptosepala Jennifer Whipple 1976-6-12 971 Siskiyou Wagon Creek drainage near Wagon Creek 2195 Comment
  HSC4429  Calyptridium monospermum William J. Ferlatte 1966-8-3 295 Siskiyou Josephine Lake basin 1677 Comment
  JEPS127643  Calyptridium monospermum Jurriaan M. de Vos 2014-7-10 313 Siskiyou Klamath NF. Along and just S of Pacific Crest Trail, ca. 250 m E from Cook and Green Pass (Forest Road 1055). Comment
  SBBG30589  Calyptridium umbellatum D. Myrick 1968-6-27 2043 Siskiyou trail to Lake Josephine above Carter's Ranch, 5 mi S of Big Flat, head of Coffee Crk 1828 Comment
  UC456010  Calystegia I. J. Condit 1911-7-5 Siskiyou Shasta Retreat , Shasta Retreat (Mt. Bradley) 1524 Comment
  HSC646  Calystegia malacophylla William J. Ferlatte Jul 1967 616 Siskiyou Along the Yellow Rose Mine Trail 1677 Comment
  JEPS31594  Calystegia malacophylla subsp. malacophylla Willis L. Jepson Jul 24 1894-Aug 10 1894 14525 Siskiyou Sisson , Sisson (region of the Upper Sacramento) Comment
  CAS-BOT-BC497300  Camassia leichtlinii var. suksdorfii Elmer I. Applegate 1898-5-14 2123 Siskiyou At Shovel Creek Hot Springs on Klamath River 853 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
  UC164338  Camissonia contorta Geo. D. Butler 1909-4-26 615 Siskiyou Oro Fino Comment
  CAS-BOT-BC160905  Camissonia tanacetifolia subsp. tanacetifolia Elmer I. Applegate 1923-8-19 3893 Siskiyou West side of Medicine Lake Comment
  RSA186494  Camissonia tanacetifolia subsp. tanacetifolia Peter H. Raven 1962-5-30 17898 Siskiyou U.S. Highway 97, 4.4 miles south of Dorris Comment
  RSA123573  Campanula prenanthoides G. D. Barbe 1955-7-28 317 Siskiyou Klamath Mts. 1/4 mile south-west of Big Carmen Lake on the north slope of Scott Mts. 1738 Comment
  SEINET10463097  Campanula prenanthoides Muth 1979-8-10 MUTH 13329 Siskiyou Near Little Mill Creek, on the Etna quadrangle; close to the town of Callahan, granitic 1707 Comment
  SEINET10463156  Campanula prenanthoides Whiteley 1975-6-22 WHITELEY 37 Siskiyou Klamath National Forest along highway 96 near Somes Bar. T12N R6E Sec. 33 219 Comment
  SEINET10463361  Campanula prenanthoides Alice Eastwood 1922-10-18 Eastwood 11530 Siskiyou Shasta Springs Comment
  SEINET12265040  Campanula prenanthoides M. Ownbey, Meyer, F. G. 1940-1 2171 Siskiyou Siskiyou Mts., NW of Hornbrook Comment
  UC70377  Campanula rotundifolia Milo S. Baker 1899-7-31 Siskiyou E slope of Mt Shasta, on Ash Creek Comment
  UC890575  Campanula scouleri Alice Eastwood 1912-7-21 1283 Siskiyou Sisson Comment
  RSA22585  Campanula scouleri Marion Ownbey, Ruth Ownbey 1938-7-19 1757 Siskiyou Near Deer Camp, Siskiyou Mtns Comment
  SEINET10905938  Campanula scouleri Edward L. Greene 1876-8-22 Greene 1010 Siskiyou SCOTT MOUNTAIN 1829 Comment
  UC1026172  Campanula scouleri Marion Ownbey and Ruth P. Ownbey 1938-7-19 1757 Siskiyou open woods near Deer Camp; Siskiyou Mountains Comment
  UC1258461  Campanula wilkinsiana Maralyn A. Renner 1980-8-21 2538 Siskiyou Kidd Creek Coffee Creek Quad. 2042 Comment
  UC642519  Campanula wilkinsiana W. Bridge Cooke 1939-8-24 13894 Siskiyou along creeks Mount Shasta, Squaw Valley Creek meadows Comment
  SEINET10872990  Campanula wilkinsiana Cooke 1941-8-28 COOKE 16238 Siskiyou Occasional through a spring area on the bank of Squaw Valley Creek, Mount Shasta 1829 Comment
  SEINET10972121  Campanula wilkinsiana Dress 1951-8-14 DRESS 3722 Siskiyou FOrming mats in short grass at edge of small spring on rocky slope on southwest side of Mt. Shasta. 2530 Comment
  UC726667  Capsella bursa-pastoris A. A. Heller 1916-6-20 12417 Siskiyou ne base of Mount Eddy, Metcalf's Ranch Mount Eddy; , Metcalf's Ranch 1188 Comment
  CAS-BOT-BC37194  Capsella bursa-pastoris John Thomas Howell; T. C. Fuller; G. D. Barbe 1980-4-28 53373 Siskiyou Grenada. Near the railroad station. 792 Comment
  JEPS40857  Cardamine bellidifolia var. pachyphylla Paul C. Hutchison 1962-8-2 936 Siskiyou between Panther Meadow and top of ski lift Mt Shasta 2743 Comment
  SFV1447  Cardamine californica D. Parker 1949-5-8 222 Siskiyou Salmon Mountain Range along Kidder Creek. 915 Comment
  JEPS82692  Cardamine californica var. integrifolia Wayne Roderick 1984-6-5 Siskiyou ca 12 air km sw Mt. Shasta city (above Castle Lake); sw of Mt. Shasta city, above Castle Lake 1905 Comment
  RSA237241  Carex abrupta Frederick W. Oettinger 1969-8-22 1505 Siskiyou Sandy bed of dry inlet into Horse Range Lake. Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1982 Comment
  UC1265327  Carex abrupta Frederick W. Oettinger 1968-9-8 733 Siskiyou se Tom's lake; Salmon Mountains, Marble Mountain Wilderness Area 2148 Comment
  HSC39336  Carex amplifolia J. O. Sawyer 1969-7-11 861 Siskiyou Ravine above C.C.C. road. 1280 Comment
  UC144184  Carex amplifolia A. A. Heller 1905-6-5 7982 Siskiyou between Shasta Retreat and Shasta Springs Comment
  POM81701  Carex angustata Geo D. Butler 1909-6-22 855 Siskiyou Goosenest Foothills 1524 Comment
  CAS-BOT-BC18132  Carex athrostachya H. M. Hall; E. B. Babcock 1903-6-1 4062 Siskiyou Sierra Nevada Mountains. Mount Shasta. Sisson. 1066 Comment
  UC195519  Carex athrostachya Geo. D. Butler 1909-6-22 854 Siskiyou Goosenest foothills Comment
  SEINET7550668 Image available Carex athrostachya E. B. Copeland September 3866 Siskiyou Mt. Eddy. 2134 Comment
  SEINET13329598  Carex aurea D. W. Taylor 2002-6-10 18126 Siskiyou Scott Mountain, bog along unnamed creek between Grouse Creek and Little Carmen Creek along Forest Road 40N08 1189 Comment
  CAS-BOT-BC34157  Carex breweri Robert F. Thorne; Frederick W. Oettinger 1969-8-10 38982 Siskiyou Mt. Shasta National Forest. S slope of Mt. Shasta. 2438 Comment
  CHSC40179  Carex concinnoides L. P. Janeway 1982-7-10 58 Siskiyou On a short ridge near the old Grayback Rd ca 1/2 mi above West Branch Guard Sta. 746 Comment
  RSA237231  Carex deflexa var. boottii Frederick W. Oettinger, Robert F. Thorne 1969-8-5 1217 Siskiyou Near Crapo Peak at Crapo View Gap. Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. Comment
  POM80802  Carex densa Geo D. Butler 1909-6-10 809 Siskiyou Yreka Creek. Comment
  CAS-BOT-BC19872  Carex echinata subsp. echinata Louis C. Wheeler 1935-7-26 3721 Siskiyou Siskiyou Mountains. Jaynes Canyon. 1950 Comment
  UC1950436  Carex echinata subsp. echinata Barbara Ertter 1990-7-14 9351 Siskiyou just N of roadfork on FR 40N234 ca 1/2 mi S of Wagon Creek, E side Mt Eddy ca 4 airmiles W of Mt Shasta City; E- facing hillside Comment
  JEPS100914  Carex gigas Dean W. Taylor 1988-7-9 9950 Siskiyou Castle Lake region, in cirque and ridgetop above Heart Lake 1950 Comment
  JEPS88990  Carex gigas Julie Kierstead 1991-7-2 91096 Siskiyou 10 mi w of city of Mount Shasta (Mt. Shasta Ranger District, upper end of Fawn Creek Meadow); Shasta-Trinity National Forests, Mt. Shasta Ranger District 1828 Comment
  CHSC82813  Carex halliana L. P. Janeway 2002-7-13 7634 Siskiyou High Cascade Range. 1.6 km southeast of southeast corner of Medicine Lake; east side of Road 49 (44N75) 0.2 km north of Road 44N17. Drainage below the road. 2067 Comment
  CAS-BOT-BC22296  Carex hassei John Thomas Howell 1937-7-23 13334 Siskiyou South Fork of Salmon River near Big Flat. 1524 Comment
  CAS-BOT-BC7598  Carex inops subsp. inops Ralph K. Gierisch 1968-8-6 3363 Siskiyou Elk Flat in Shasta-Trinity National Forest. 1310 Comment
  JEPS109549  Carex inops subsp. inops Dean W. Taylor 2001-8-28 17912 Siskiyou Mt. Shasta, along Pilgrim Creek road (Forest Road 13) at the junction with Forest Road 19 (7.3 miles N from Highway 89) ca. 5 air miles NE of McCloud. 1207 Comment
  HSC39390  Carex interior J. O. Sawyer 1969-8-5 1954 Siskiyou Above the S Fork of Sugar Creek 1814 Comment
  HSC69338  Carex jonesii John S. Palmer 1980-8-13 784 Siskiyou Dead Cow Creek, near FS 47N44 from Beaver Creek Rd. 1616 Comment
  UCD77475  Carex jonesii Robert E. Preston 2001-7-21 1726 Siskiyou Klamath National Forest, north slope of Rainbow Mountain, T42N R1W ne 1/4 Section 22 2066 Comment
  RSA237223  Carex lenticularis var. lipocarpa Frederick W. Oettinger 1968-9-9 801 Siskiyou Tom s Lake lower meadow. Salmon Mountains. High Lake Basin in the vicinity of English Peak. Marble Mountain Wilderness Area. 2012 Comment
  UCD140532  Carex luzulina Robert E. Preston 1996-7-24 984 Siskiyou 2 miles SE of Medicine Lake, at Paynes Springs. 2011 Comment
  CAS-BOT-BC31626  Carex luzulina var. ablata A. A. Heller 1922-7-3 13674 Siskiyou Wet soil along Wagon creek on Mt. Eddy. 2225 Comment
  UC1105687  Carex luzulina var. ablata S. S. Tillett 1956-7-9 639 Siskiyou ca. 8 mi se Callahan (small lake e of Scott Mtn.); Siskiyou-Trinity Co. line 1828 Comment
  CAS-BOT-BC31837  Carex microptera John Thomas Howell 1937-7-22 13252 Siskiyou South Fork of Salmon River near Big Flat. 1524 Comment
  JEPS84171  Carex microptera L. R. Heckard with S. D'Alcamo, J. Hickman, S. Winchester 1986-7-16 6436 Siskiyou ca. 5 mi n town of Seiad Valley (cirque at head of Hell's Canyon, e slope of Kangaroo Mountain); Kangaroo Mountain, Hell's Canyon 1828 Comment
  HSC42949  Carex multicaulis J. O. Sawyer, K. T. Stillman 1976-7-1 2770 Siskiyou Streamside terraces and lower slopes along the Little N Fork of the Salmon River. 732 Comment
  CAS-BOT-BC32008  Carex multicaulis Roxana S. Ferris; Laura Lorraine 1948-6-12 11801 -A Siskiyou At Mule Creek crossing, Scott Mountain road south of Callahan. Comment
  UC1359 Image available Carex multicostata W. H. Brewer 1862-9-13 1398 Siskiyou Mt. Shasta 2133 Comment
  SEINET7568516 Image available Carex multicostata Frederick W. Oettinger 1968-8-8 450 Siskiyou Salmon Mountains, High Lake Basins in the vicinity of English Peak Marble Mountain Wilderness Area. 2164 Comment
  HSC100085  Carex nardina Dana York 2011-8-13 3059 Siskiyou Klamath National Forest, Slopes of Black Mountain. 2105 Comment
  CAS-BOT-BC119897  Carex nebrascensis Roxana S. Ferris; Laura Lorraine 1948-6-12 11818 Siskiyou East fork of Scott River drainage, Parker Ranch, Plowman's (Noyes) Valley 1203 Comment
  SEINET7568685 Image available Carex nebrascensis Barbara L. Wilson, Richard E. Brainerd 2004-6-17 10917 Siskiyou Gazelle-Callahan Road. 1478 Comment
  HSC60837  Carex pachystachya Ruby Van Deventer 1960-7-7 Siskiyou Bell Echo Camp in Youngs Valley Comment
  CAS-BOT-BC118930  Carex pellita T. C. Fuller 1964-10-7 12686 Siskiyou Roadside ditch, E side of Hwy 99, S limits of Weed. Comment
  CHSC106266  Carex praegracilis Lowell Ahart; John Dittes 2010-7-30 16953 Siskiyou About 50 yards west of the East Louie Road Bridge, about 30 yards west of the Shasta River, 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
  HSC61816  Carex rostrata Ruby Van Deventer 1960-7-13 Siskiyou Poker Flat 1585 Comment
  HSC69185  Carex rostrata Maralyn A. Renner 1980-8-31 2633 Siskiyou Twin Valley. 1494 Comment
  HSC91237  Carex scabriuscula Jennifer Whipple 1976-6-30 1215 Siskiyou Wagon Creek drainage near Wagon Creek 2195 Comment
  HSC103365  Carex scabriuscula Thomas W. Nelson, Jane Nelson 1982-7-16 7233 Siskiyou Along west side of Forest Service Rd. 42N17, at summit above Deadfall Meadow, near crossing of Pacific Crest Trail. (Siskiyou-Trinity county line) 2073 Comment
  CAS-BOT-BC118223  Carex scopulorum var. bracteosa J. W. Stacey 1939-7-7 13616 Siskiyou In the Wagon Camp Sedge Swamp. 1737 Comment
  HSC77255  Carex scopulorum var. bracteosa L. P. Janeway 1983-7-9 393 Siskiyou S side of Indian Creek at FS 17N32 crossing 1159 Comment
  CAS-BOT-BC117235  Carex spectabilis K. T. Stillman 1976-7-14 232 Siskiyou Scott Bar Quad. Marble Mountain Wilderness Area. 1950 Comment
  CHSC99590  Carex straminiformis L. P. Janeway 2008-7-25 9502 Siskiyou Klamath Ranges. Siskiyou Mountains; 3.2 air km southwest of Cook and Green Pass, 0.4 km southeast of Red Butte. 1737 Comment
  JEPS40878  Carex straminiformis Paul C. Hutchison 1962-8-2 929 Siskiyou between Panther Meadow and top of ski lift; Mt. Shasta 2743 Comment
  SD53353  Carex straminiformis Darley F. Howe 1962-8-6 Siskiyou Mt. Shasta 2438 Comment
  RSA186337  Carex straminiformis Gilbert Muth 1966-10-16 26 Siskiyou Marble Mountains 1793 Comment
  SEINET11638246  Carex straminiformis C. G. Pringle 1882-1 s.n. Siskiyou Mount Shasta 2438 Comment
  CAS-BOT-BC115834  Carex subfusca John Thomas Howell 1937-7-23 13338 Siskiyou South Fork of Salmon River near Big Flat. 1524 Comment
  CAS-BOT-BC115859  Carex subfusca Louis C. Wheeler 1934-6-22 2754 Siskiyou Cottonwood Creek. 914 Comment
  UC922500  Carex subfusca Annie M. Alexander and Louise Kellogg 1949-7-28 5887 Siskiyou Sky High Valley Marble Mountains 1767 Comment
  RSA577423  Carex subfusca L. C. Wheeler 1934-6-22 2754 Siskiyou Cottonwood Creek, Siskiyou Mountains. Mt. Diablo Mer. 915 Comment
  CHSC40130  Carex utriculata L. P. Janeway 1982-7-2 38 Siskiyou At Poker Flat. At bottom of break between upper and lower portions of meadow. 1524 Comment
  UC836867  Carex vesicaria A. A. Heller 1922-7-15 13711 Siskiyou Medicine Lake 2133 Comment
  HSC76836  Carex vesicaria L. P. Janeway 1982-8-13 128 Siskiyou N side of Bear Lake 1814 Comment
  JEPS95093  Carex whitneyi Vernon Oswald and Lowell Ahart 1997-7-28 8799 Siskiyou at Schonchin Spring Campground at Medicine Lake Medicine Lake; , Schonchin Spring Campground 2057 Comment
  UCR93375  Castilleja Kathy Harper, Dane Karr 1994-6-16 s.n. Siskiyou Modoc National Forest; Forest Route 49 (Lava Beds/ Medicine Lake Rd.) within 1 mi. of southern boundary of Lava Beds National Monument 1555 Comment
  UC722137  Castilleja C. L. Hitchcock and J. S. Martin 1939-7-6 5229 Siskiyou on Takilma to Happy Camp road (peak above and n of Divide of Siskiyou Mountains); Siskiyou Mountains 1828 Comment
  HSC16  Castilleja applegatei William J. Ferlatte 1966-6-22 105 Siskiyou 3 mi. S of Big Flat 1585 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
  HSC42879  Castilleja applegatei subsp. pinetorum John Sawyer, Ken Stillman 1976-7-1 2794 Siskiyou Mid slopes and ridges E of Little North Fork Trail. 732 Comment
  JEPS45563  Castilleja applegatei subsp. pinetorum Douglas Barbe 1955-7-9 146 Siskiyou sw side Kangaroo Lake; Klamath Mountains, Scott Mountains 1828 Comment
  RSA237569  Castilleja applegatei subsp. pinetorum Frederick W. Oettinger 1968-8-22 603 Siskiyou Above English Lake trail on English Lake side of pass to Diamond Lake. The Salmon Mountains. The High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1890 Comment
  RSA425929  Castilleja applegatei subsp. pinetorum Chadwick, Chadwick 1911-07 3414 Siskiyou Shasta Springs. Comment
  UCD122252  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
  CAS-BOT-BC241144  Castilleja applegatei subsp. pinetorum Ella Dales Cantelow 1936-5-20 1422 Siskiyou N. slope Scott Mt. 1219 Comment
  CAS-BOT-BC243762  Castilleja applegatei var. pinetorum Elmer I. Applegate 1936-5-2 10203 Siskiyou Lava Beds National Monument between Indian Well and Caldwell Butte Comment
  CAS-BOT-BC243770  Castilleja applegatei var. pinetorum Francis W. Pennell 1940-7-18 26185 Siskiyou Route 99, 2-3 mi. north of Mount Shasta City 1158 Comment
  JEPS32674  Castilleja arachnoidea Paul C. Hutchison 1962-8-2 926 Siskiyou between top of ski lift and Panther Meadow; Mt. Shasta 2438 Comment
  JEPS90564  Castilleja arachnoidea Dean Wm. Taylor with Glenn L. Clifton and Rexford E. Palmer 1987-6-7 9022 Siskiyou near Yellowjacket Ice Cave; Upper Modoc Plateau, Medecine Lake highland 1798 Comment
  SEINET3159135  Castilleja arachnoidea G. D. Butler 1910-7-8 1684 Siskiyou Shackleford Creek 1829 Comment
  UC1190242  Castilleja arachnoidea Ira L. Wiggins 1955-7-27 13557 Siskiyou Caribou Lake; Salmon-Trinity Alps Primitive Area 2042 Comment
  RSA429371  Castilleja arachnoidea M. B. Dunkle 1945-08 9291 Siskiyou Klamath Nat'l Forest. Marble Mtns. 2439 Comment
  CDA41242  Castilleja lacera A. & E. Hale 1984-6-1 s.n. Siskiyou Deer Meadow Road, near Yreka. 0 Comment
  HSC61199  Castilleja miniata Al Hobart 1967-8-9 Siskiyou El Capitan Comment
  HSC77011  Castilleja miniata K. T. Stillman 1976-7-7 163 Siskiyou Marble Mountain Wilderness Area 1982 Comment
  UC1408802  Castilleja miniata Robert F. Thorne and Fred Oettinger 1969-8-10 28968 Siskiyou Panther Creek Meadows Mt. Shasta National Forest, Mt. Shasta (s slope of Mt. Shasta) 2194 Comment
  CAS-BOT-BC253623  Castilleja miniata A. A. Heller 1939-7-27 15431 Siskiyou Panther Meadow, Mt. Shasta. 2438 Comment
  CAS-BOT-BC254023  Castilleja miniata J. M. Tucker 1963-8-17 3740 Siskiyou Edge of Red Rock Creek, in vicinity of cabin; lower Red Rock Valley, Marble Mountain Wilderness Area 1493 Comment
  HSC61493  Castilleja miniata Ruby Van Deventer 1939-7-19 Siskiyou Kelley Lake and Kelley Lake Trail Comment
  POM15492  Castilleja miniata Geo. D. Butler 1909-6-23 929 Siskiyou Goosenest. Comment
  UC651920  Castilleja miniata Hugh and Margaret Dearing 1939-7-2 3804 Siskiyou Salmon Mountain summit; Salmon Mountain Comment
  CHSC71329  Castilleja pruinosa Vernon H. Oswald; Lowell Ahart 1998-6-11 9189 Siskiyou Shasta NF plantation on the west side of Hwy. 97 2.2 mi northeast of Lake Shastina-Big Springs Rd., northeast of Weed. 1066 Comment
  UC1409379  Castilleja pruinosa Frederick W. Oettinger 1968-8-2 368 Siskiyou ne of Diamond Lake (vicinity of English Peak); Salmon Mountains, Marble Mountain Wilderness Area, English P 2087 Comment
  UC164330  Castilleja pruinosa Geo. D. Butler 1910-5-1 1259 Siskiyou Humbug Mountain 1219 Comment
  UC169089  Castilleja pruinosa Harley P. Chandler Jun 1901 1667 Siskiyou Marble Mountain; North Coast Ranges 2438 Comment
  POM42526  Castilleja pruinosa Geo. D. Butler 1910-5-1 1255 Siskiyou Near Yreka. Comment
  RSA184819  Castilleja pruinosa Gilbert Muth 1966-7-14 394 -B Siskiyou Marble, south of Marble Valley, Marble Mountains. 1793 Comment
  RSA261371  Castilleja pruinosa J. M. Tucker, L. K. Mann, Sandra Holloway 1963-8-18 3752 Siskiyou SW ridge of Black Mtn (Black Marble Mtn); Marble Mtn Wilderness Areas. 2134 Comment
  CAS-BOT-BC241086  Castilleja schizotricha Gilbert Muth 1965-8-6 s.n. Siskiyou Backside of Blk. Mt. 2072 Comment
  JEPS84013  Castilleja schizotricha L. R. Heckard with S. D'Alcamo, J. Hickman, S. Winchester 1986-7-16 6344 Siskiyou ca 7 mi nne Seiad Valley (ca 0.5 mi se of Red Butte, sw of Cook and Green Pass, e of road) 1730 Comment
  JEPS42357  Ceanothus cordulatus W. L. Jepson Aug. 1894 14011 Siskiyou Sisson Comment
  RSA1116  Ceanothus cordulatus B. D. Stark 1929-7-25 1392 Siskiyou 8 miles N of Dunsmuir. 610 Comment
  CDA36032  Ceanothus cordulatus CDFA Staff 1977-9-1 Siskiyou Lake Siskiyou. 0 Comment
  CAS-BOT-BC48388  Ceanothus cuneatus Lewis S. Rose 1945-6-22 45161 Siskiyou Walker, Klamath River 533 Comment
  CAS-BOT-BC49190  Ceanothus cuneatus Alice Eastwood 1912-8-30 2091 Siskiyou Mount Eddy, North Fork Trail Comment
  CAS-BOT-BC49191  Ceanothus cuneatus Doris K. Kildale 1929-6-25 8370 Siskiyou Klamath River, 6 miles north of Hornbrook 609 Comment
  HSC59645  Ceanothus integerrimus J. P. Smith, Steve Selva 1970-6-16 4086 Siskiyou W of Sawyers Bar Comment
  SD42406  Ceanothus integerrimus Carl B. Wolf 1941-7-26 11079 Siskiyou Sacramento river Canyon, 1 mi. below Dunsmuir 671 Comment
  UC338447  Ceanothus integerrimus Lemmon 1886-10-20 Siskiyou Soda Springs near Shasta Comment
  CAS-BOT-BC51170  Ceanothus leucodermis C. G. Pringle August 13 s.n. Siskiyou unspecified 914 Comment
  CAS-BOT-BC52114  Ceanothus prostratus Elmer I. Applegate 1929-6-18 5740 Siskiyou Weed Comment
  RSA399820  Ceanothus prostratus H. E. McMinn 1931-6-27 2520 Siskiyou Shasta City. Comment
  CAS-BOT-BC53026  Ceanothus sanguineus Louis C. Wheeler 1934-6-23 2774 Siskiyou Siskiyou Mts. - Sterling Mine, Bullion Mt. - Mt. Diablo Mer. 1280 Comment
  HSC4478  Ceanothus velutinus William J. Ferlatte 1967-7-25 718 Siskiyou Caribou Mtn., W slope 2439 Comment
  POM87497  Ceanothus velutinus Edward Palmer 1892-7-13 2443 Siskiyou Mount Shasta and vicinity Comment
  RSA463117  Ceanothus velutinus S. Morgan 1987-7-28 s.n. Siskiyou McGinnis Springs, 5 miles NW of McCloud, Shasta- Trinity National Forest, S of Mt. Shasta. 1768 Comment
  JEPS42299  Ceanothus velutinus var. lorenzenii L. N. Lorenzen 1920-9-19 Siskiyou Sisson Comment
  HSC99816  Ceanothus velutinus var. velutinus G. L. Clifton, Griswold 1979-6-27 6088 Siskiyou Near Shackleford Creek, close to the town of Greenview 1342 Comment
  CDA20008  Centaurea X moncktonii M. Bagley 2002-8-1 PDR P 087837 -B Siskiyou Northern California; vicinity of Mt Shasta. 0 Comment
  CHSC3220  Centaurea cyanus Gerry Carrauthers 1966-5-14 165 Siskiyou 4 mi. N.W. of Callahan. Comment
  SD98873  Centaurea cyanus Darley F. Howe 1977-7-2 4982 Siskiyou 7 miles west of Fort Jones, Scott River Road 669 Comment
  HSC37528  Centaurea cyanus J. P. Smith 1974-5-26 7529 Siskiyou On Hwy. 3, 0.5 mi. NE of Fort Jones 854 Comment
  POM351527  Centaurea solstitialis J. P. Smith, Steve Selva 1970-7-16 4403 Siskiyou 1 mile east of O'Neill Campground 579 Comment
  HSC92581  Cerastium arvense Jennifer Whipple 1976-7-8 1340 Siskiyou N slopes of Mount Eddy. 2439 Comment
  HSC103178  Cerastium arvense subsp. strictum Dana York 2011-9-8 3088 Siskiyou Klamath National Forest, slopes of Kings Castle 2175 Comment
  UCD98001  Cerastium dichotomum T. C. Fuller 1962-5-18 8746 Siskiyou B. M. Long prop., Little Shasta Road, 5 miles east of Montague. Comment
  HSC27672  Cercis occidentalis Carl W. Mize 1972-6-8 28 Siskiyou Along the main trail 351 Comment
  SEINET10907015  Cercis occidentalis LeRoy E. Detling 1947-6-2 Detling 6043 Siskiyou 1 mi. west of Hamburg. T46N R11W S26 427 Comment
  SEINET6331969  Cercocarpus betuloides G. D. Butler 1910-5-30 1435 Siskiyou Humbug Creek Comment
  CAS-BOT-BC100653  Chaenactis douglasii var. alpina Wm. Bridge Cooke 1938-9-8 11662 Siskiyou Mount Shasta, near Squaw Creek Meadows 2590 Comment
  CAS-BOT-BC276773  Chaenactis douglasii var. douglasii Geo. D. Butler 1910-6-17 1573 Siskiyou Humbug Mountain 1219 Comment
  HSC81580  Chaenactis douglasii var. douglasii Thomas W. Nelson, Jane P. Nelson 1980-7-17 6090 Siskiyou Along FS Rd. 17, 0.5 mi. N of summit at county line 2073 Comment
  POM351689  Chaenactis douglasii var. douglasii E. E. Stanford 1930-6-15 1592 Siskiyou Near Shasta City Comment
  CAS-BOT-BC106031  Chaenactis suffrutescens A. A. Heller 1928-6-9 14608 Siskiyou Near Castle Lake a short distance from Castle Crags. Near the source of the Sacramento River Comment
  CHSC98913  Chamaebatiaria millefolium L. P. Janeway; B. Castro 2007-7-28 9132 Siskiyou Modoc Plateau. Next to the southern lobe of the Callahan Flow, along Road 44N01 1.7 km south-southwest of Cinder Butte. 1795 Comment
  RSA23949  Chamaebatiaria millefolium O. V. Matthews 1939-7-13 35 Siskiyou NW slope of Goose Nest, E of Yreka. 1524 Comment
  SEINET1004220  Chamaebatiaria millefolium Mark Fishbein, Lane Greer 2006-1 5872 Siskiyou Along Forest Service Rd 49, about 7 mi south-southwest of Medicine Lake, about 0.4 mi northeast of Snag Hill. 1585 Comment
  UCR136932  Chamaebatiaria millefolium J. W. Thompson 1936-7-8 13151 Siskiyou Lava Bed National Monument Comment
  HSC101469  Chamaecyparis lawsoniana J. P. Smith, J. O. Sawyer 2011-7-21 13031 Siskiyou Flint Valley at the end of the G-O Road. 1313 Comment
  SEINET11052218  Chamaecyparis lawsoniana A. T. Leiser 1968-9-4 s.n. Siskiyou Scott Camp Creek, near Methodist Camp, SW of Castle Lake turnoff. Comment
  CAS-BOT-BC166090  Chamerion angustifolium subsp. circumvagum G. P. Rixford s.n. Siskiyou HIlt Comment
  POM255830  Cheilanthes gracillima Marion Ownbey, Ruth P. Ownbey 1938-7-19 1754 Siskiyou Summit of the Siskiyou Mountains, 2.5 miles northwest of Dry Lake Lookout Comment
  HSC1001  Cheilanthes gracillima Jerry Parker 1968-10-6 135 Siskiyou Salmon Mtns. above Sugar Lake 1829 Comment
  CHSC72234  Chenopodium album Vernon H. Oswald; Lowell Ahart 1998-9-16 9651 Siskiyou Tour Route at Lower Klamath NWR 3 mi south of Hwy 161. 1243 Comment
  JEPS75210  Chenopodium botrys W. B. and V. G. Cooke 1975-9-3 50487 Siskiyou Ash Creek Area Mt. Shasta (at Military Pass Rd.) Comment
  HSC59894  Chenopodium chenopodioides R. & G. Pederson 1979-10-10 100 Siskiyou Lower Klamath National Wildlife Refuge, S unit 6 Comment
  RSA64788  Chenopodium vulvaria L. C. Wheeler 1934-10-6 11412 Siskiyou Edge of path, Yreka. 793 Comment
  CAS-BOT-BC451435  Chimaphila menziesii Wm. Bridge Cooke 1938-8-5 11458 Siskiyou Mount Shasta: along the Sisson Southern Trail 1828 Comment
  HSC19316  Chimaphila menziesii J. O. Sawyer 1968-9-28 740 Siskiyou Along ridge NE of Orleans Mtn. 1677 Comment
  SBBG25823  Chimaphila menziesii D. Myrick 1966-8-10 1527 Siskiyou Salmon Crk Trail at Mountain Meadow Ranch, Big Flat 1676 Comment
  CAS-BOT-BC452277  Chimaphila umbellata Ira L. Wiggins 1955-7-21 13434 Siskiyou Rush Creek Trail, 2 mi. above Mt. View Ranch 1097 Comment
  HSC142  Chimaphila umbellata William J. Ferlatte 1966-8-3 271 Siskiyou Along the S Fork of the Salmon River between the campground and Carter's. 1524 Comment
  CAS-BOT-BC452283  Chimaphila umbellata David D. Keck 1938-8-6 4803 Siskiyou At Del Norte Co. line, Poker Flat, summit of Siskiyou Mts., on road from Waldo to Happy Camp Comment
  SD88341  Chimaphila umbellata Darley F. Howe 1972-7-6 Siskiyou 3.2 miles south of Oregon state line on road to Happy Camp 1402 Comment
  CAS-BOT-BC36386  Chrysolepis chrysophylla Wm. Bridge Cooke 1938-9-2 11588 Siskiyou Sisson Southern Trail 1371 Comment
  HSC68400  Chrysolepis chrysophylla Maralyn A. Renner 1980-7-4 1449 Siskiyou Clear Creek Trail, N of Trout Camp 1037 Comment
  UC1333331  Chrysolepis sempervirens Dorothy Parker 1949-8-12 365 Siskiyou near Duck Lake Creek (Salmon Mountain); Siskiyou Mountains, Salmon Mountain 1524 Comment
  UC5454  Chrysolepis sempervirens W. H. Brewer 1862-9-16 1420 Siskiyou Mount Shasta 914 Comment
  UC61174  Chrysolepis sempervirens W. A. Setchell, C. C. Dobie 1902-7-13 Siskiyou Sisson; Mount Shasta 1066 Comment
  POM211818  Chrysothamnus nauseosus subsp. albicaulis L. C. Wheeler 1934-8-26 3223 Siskiyou Trapper Creek. 1860 Comment
  JEPS22375  Chrysothamnus viscidiflorus subsp. viscidiflorus W. L. Jepson 1940-6-23 20021 Siskiyou near Andesite Station (along Weed-Klamath Falls highway) 975 Comment
  UC567205  Chrysothamnus viscidiflorus subsp. viscidiflorus H. A. Jensen 1933-8-29 344 Siskiyou near Cedar Park School; Dunsmuir Quad. 883 Comment
  JEPS8809  Cichorium intybus W. L. Jepson 1940-6-23 19980 a Siskiyou Yreka 822 Comment
  HSC19003  Cinna latifolia J. O. Sawyer 1969-8-4 1806 Siskiyou Above Sugar Lake 2134 Comment
  HSC30596  Cinna latifolia Frederick W. Oettinger 1968-9-2 663 Siskiyou Marble Mountain Wilderness Area, base of cliffs, SW of Upper English Lake 1875 Comment
  HSC19004  Circaea alpina subsp. pacifica J. O. Sawyer 1968-7-22 558 Siskiyou Between Handcock and Diamond Lakes 1951 Comment
  HSC19236  Circaea alpina subsp. pacifica J. O. Sawyer 1969-7-23 1183 Siskiyou Along road near Horse Range Creek. 1341 Comment
  HSC29133  Circaea alpina subsp. pacifica Frederick W. Oettinger 1968-8-11 480 Siskiyou Marble Mtn. Wilderness Area, near Tom Tyler Cabin 2012 Comment
  CAS-BOT-BC285349  Cirsium andersonii L. S. Smith 1913-8-30 536 Siskiyou Mount Eddy Comment
  JEPS82112  Cirsium brevistylum Rimo Bacigalupi with L. Constance and L. Heckard 1960-7-21 7478 Siskiyou 0.2 mi w Rogers Creek crossing (along California highway 96, road bank on e side of canyon); Klamath River Canyon 228 Comment
  JEPS77793  Cirsium ciliolatum D. H. Shaw and T. C. Fuller 1978-7-5 20246 Siskiyou 15 km. n Montague (0.3 km. e of Bryant-Willow Creek Road, n side of York Road); York Road Comment
  CAS-BOT-BC278035  Cirsium cymosum John Thomas Howell 1952-6-14 28336 Siskiyou 2 miles from Yreka on Ft. Jones road 807 Comment
  JEPS25883  Cirsium douglasii var. breweri Rimo Bacigalupi with L. Constance and L. Heckard 1960-7-21 7487 Siskiyou 6.2 mi above and sw Callahan (7 mi below and ne of road summit from Cecilville to Callahan) 1341 Comment
  CAS-BOT-BC279884  Cirsium douglasii var. breweri John Thomas Howell 1952-6-14 28329 Siskiyou Mt. Shasta City Comment
  SEINET10808345  Cirsium occidentale var. candidissimum Katherine L. Morris, Melvin L. Conrad; David B. Dunn 1973-6-2 Morris 360 Siskiyou Found at the junction of Shasta and Klamath Rivers on Hwy. 263. Comment
  POM33220  Cirsium remotifolium var. odontolepis Geo. D. Butler 1910-7-9 1695 Siskiyou Shackleford Creek. 1220 Comment
  JEPS59328  Cirsium scariosum W. L. Jepson 1940-7-3 20111 Siskiyou about 5 mi se Bartle; Big Bear Flat 1219 Comment
  OBI54126  Cirsium scariosum var. robustum David J. Keil, Kathleen Keil 1992-7-24 23571 Siskiyou E of McCloud along hwy 89, 7.7 mi W of Shasta county line Comment
  CAS-BOT-BC228954  Cistanthe umbellata L. R. Short 1933-8-6 23 Siskiyou Klamath National Forest. Marble Valley 1792 Comment
  HSC36771  Clarkia lassenensis J. P. Smith 1974-5-25 7413 Siskiyou Along Rd. 8, 0.9 mi. from its junction with Hwy. 3 976 Comment
  JEPS107395  Clarkia lassenensis Lowell Ahart, John Dittes 2005-6-10 12099 Siskiyou Rocky hillside, north of the rock fence, about 100 yards southeast of the pump house along the Shasta River, about 1.9 miles (air) south of Highway 99/97 Cutoff, about 6 miles (air) east-southeast of Grenada 776 Comment
  CAS-BOT-BC164971  Clarkia rhomboidea A. A. Heller 1928-6-9 14599 Siskiyou Along the railroad embankment at Shasta Retreat 762 Comment
  CAS-BOT-BC439106  Claytonia cordifolia D. M. Traugh 1933-8-7 3 Siskiyou Klamath National Forest. Marble Valley 1828 Comment
  JEPS43220  Claytonia lanceolata W. L. Jepson 1907-7-5 2836 Siskiyou Marble Mt. 2133 Comment
  RSA601897  Claytonia parviflora L. C. Wheeler 1935-5-5 3466 Siskiyou Greenhorn Creek. Siskiyou Mtns. (Mt Diablo Mer.) 854 Comment
  CAS-BOT-BC443816  Claytonia rubra subsp. rubra Wm. Bridge Cooke 1938-7-1 11122 Siskiyou Mount Shasta. Bear Spring. Comment
  HSC37544  Claytonia rubra subsp. rubra J. P. Smith 1974-5-27 7607 Siskiyou Along FS Rd. 47N03 1524 Comment
  CAS-BOT-BC92756  Clematis ligusticifolia Dorothy Parker 1947-8-3 207 Siskiyou Along the banks of the East Fork of Scott River. Plowman's Valley. 1066 Comment
  CAS-BOT-BC92768  Clematis ligusticifolia Lewis S. Rose 1945-6-22 45168 Siskiyou Beaver Creek & Klamath River. 548 Comment
  RSA332446  Clematis ligusticifolia J. P. Smith, Steve Selva 1970-7-16 4412 Siskiyou Beaver Creek Campground 823 Comment
  HSC36717  Clintonia uniflora Brent Whiteley 1975-6-29 106 Siskiyou 976 Comment
  CHSC31204  Collinsia linearis M. S. Taylor 1980-7-8 3115 Siskiyou On ridge s of Castle Lake, above Hearts Lake. 2016 Comment
  HSC44972  Collinsia parviflora J. O. Sawyer 1978-6-20 3267 Siskiyou Marble Mtn. Wilderness Area, Hamilton Camp 1829 Comment
  HSC29392  Collinsia parviflora Frederick W. Oettinger 1969-7-13 995 Siskiyou Salmon Mts., Upper English Lake 1677 Comment
  OBI9622  Collinsia parviflora J. Applegarth 1970-4-11 s.n. Siskiyou 914 Comment
  POM43375  Collinsia parviflora Geo. D. Butler 1910-3-20 1133 Siskiyou Yreka. Comment
  RSA237560  Collinsia parviflora Frederick W. Oettinger 1969-7-13 995 Siskiyou Meadows of Upper English Lake. The Salmon Mountains. The High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1677 Comment
  UC164317  Collinsia rattanii Geo. D. Butler 1910-5-1 1262 Siskiyou Humbug Mountain Comment
  RSA165528  Collinsia rattanii Clare B. Hardham 1961-6-30 8121 Siskiyou Siskiyou Mountains: White Mt. Comment
  UC1177936  Collinsia rattanii Francia Chisaki, Gene B. Newcomb 1958-6-22 1156 Siskiyou Duzel Rock between Fort Jones and Gazelle (9.6 mi on road from Fort Jones to the turn-off to Duzel Roack and 9.4 mi s of the turn-off to Duzel Rock); Duzel Rock 1645 Comment
  JEPS3846  Collinsia torreyi var. latifolia Duncan Dunning 1921-7-16 Siskiyou nw Hambone (se Siskiyou Co.); Toad Mtn. Comment
  HSC82211  Collomia grandiflora Thomas W. Nelson, Jane P. Nelson 1980-7-5 5974 Siskiyou Fowler's Campground 1006 Comment
  UC1096791  Collomia grandiflora Barbe 1957-7-13 377 Siskiyou in dry w slope along the path to the spring Klamath National Forest, Big Flat Public Camp (w side of camp) Comment
  SEINET2445716  Collomia heterophylla James P. Smith 1973-5-5 6373 Siskiyou In and around the O'Neill Campground near Seiad Valley, California. 488 Comment
  CHSC57435  Collomia tinctoria L. P. Janeway 1984-6-22 872 Siskiyou Ca 1 mi north of Scott Summit on Road 40N08. 1645 Comment
  HSC19056  Collomia tinctoria J. O. Sawyer 1969-7-16 1148 Siskiyou W of Waterdog Lake 2073 Comment
  UC1409298  Collomia tinctoria Frederick W. Oettinger 1968-8-18 576 Siskiyou slope in draw below Tobacco Lake (high lake basins in the vicinity of English Peak); Salmon Mountains, Marble Mountain Wilderness Area 1889 Comment
  HSC27966  Collomia tracyi Carl W. Mize 1972-6-8 4 Siskiyou Along main trail 335 Comment
  HSC30497  Collomia tracyi Frederick W. Oettinger 1969-8-12 1337 Siskiyou Marble Mtn. Wilderness Area, along main N Fork Trail between Yellow Dog Creek and Abbott's Lower Cabin Comment
  UC1408894  Collomia tracyi F. W. Oettinger 1969-8-12 1337 Siskiyou along main North Fork Trail between Yellow Dog Creek and Abbott's Lower Cabin; Salmon Mountains Comment
  HSC46114  Corallorhiza maculata J. P. Smith, Steve Selva 1970-6-16 3991 Siskiyou 6 mi. from Hwy. 3 on Rd. 8 to Sugar Creek. 1280 Comment
  UC796502  Corallorhiza maculata Roxana S. Ferris and Laura Lorraine Jun 12 1948-Jun 16 1948 11751 Siskiyou French Creek Logging Rd w Callahan 1066 Comment
  HSC23624  Corallorhiza maculata J. O. Sawyer 1970-7-3 2314 Siskiyou Plot 321 1402 Comment
  POM168510  Corallorhiza maculata E. B. Copeland 1903-9-6 3926 Siskiyou Mt. Eddy. 1372 Comment
  RSA50136  Corallorhiza maculata E. K. Balls 1949-7-10 13964 Siskiyou 8.6 miles from Sawyers Bar on the way to Cecilville. 762 Comment
  UCD138907  Corallorhiza mertensiana J. M. Tucker; D. V. Hemphill 1974-7-26 4296 Siskiyou slope above Let 'Er Buck Meadows, ca. 1/2 mile southeast of Haypress Meadows, Marble Mountain Wilderness Area. 1432 Comment
  SEINET3864280  Cordylanthus tenuis Barbara L. Wilson, R. E. Brainerd 2010-8-3 16187 Siskiyou South of Black Butte, east of the dump, on Shasta-Trinity National Forest property.; 0 Comment
  CAS-BOT-BC32966  Cordylanthus tenuis subsp. pallescens Francis Whittier Pennell 1940-7-18 26184 Siskiyou Route 99, 2--3 mi. N of Mount Shasta City 1158 Comment
  UCD123148  Cordylanthus tenuis subsp. pallescens Barbara L. Wilson; Richard E. Brainerd 2010-8-2 16186 Siskiyou road to trailhead for Black Butte trail. 1333 Comment
  UC1012233 Image available Cordylanthus tenuis subsp. pallescens F. W. Pennell 1940-7-19 26184 Siskiyou N of Mt. Shasta City, Siskiyou Co. Comment
  CAS-BOT-BC278773  Cordylanthus tenuis subsp. tenuis Peter F. Zika; Barbara Wilson 2011-7-31 25697 Siskiyou Road 26, 10.2 road miles from junction with FS Road 40N405, 1 air mile W of N end of Siskiyou Lake, Klamath Range (KR) 1060 Comment
  SEINET3863430  Cordylanthus tenuis subsp. tenuis Barbara L. Wilson, Dick Brainerd 2010-8-4 16210 Siskiyou Old Stagecoach Road, about 0.5 mile north of Forest Service road 41N26, the Eddy Creek Raod.; 0 996 Comment
  SD129738  Cordylanthus tenuis subsp. tenuis Barbara Ertter 1987-7-26 7325 Siskiyou 2.2 mi N of Scott Mt. summit on Hwy 3, at road junction dried vernal meadow W of road 1372 Comment
  JEPS7045  Cordylanthus tenuis subsp. viscidus Rimo Bacigalupi with G. T. Robbins and C. L. Custer 1954-8-12 4791 Siskiyou 1/2 mi w Hamburg (along hwy following Klamath Riber) 457 Comment
  JEPS3576  Cordylanthus tenuis subsp. viscidus Herbert L. Mason 1950-7-16 14064 Siskiyou 5 mi s of summit of road from Happy Camp CA to Waldo, OR Comment
  RSA237382  Cornus californica Frederick W. Oettinger 1969-7-18 1058 Siskiyou Upper English Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1768 Comment
  POM78077  Cornus glabrata Geo. D. Butler 1909-9-26 974 Siskiyou Along creek near Yreka. Comment
  UC166602  Cornus glabrata Geo. D. Butler 1909-7-7 803 Siskiyou along creek near Yreka Comment
  UCR198253  Cornus nuttallii Dean Kelch 2007-7-25 07- 501 Siskiyou Indian Creek Road, just south of Greyback Summit 1304 Comment
  RSA397466  Cornus nuttallii B. C. Templeton 1960-6-21 8540 Siskiyou Scott Mts., ca 1 mile north of Siskiyou-Trinity Co. line. Comment
  RSA397468  Cornus nuttallii M. B. Dunkle 1944-7-15 9107 Siskiyou Siskiyou National Forest. 1768 Comment
  SEINET10453317  Cornus sericea subsp. sericea Mary Merello 1993-6-22 Merello 691 Siskiyou Shasta National Forest outside of Mt. Shasta City. Along Forest Service Road 26 to Lake Siskiyou. Mixed conifer forest along rocky, gravely slopes of the Sacramento River. 1090 Comment
  UC1408909  Cornus sericea subsp. sericea Frederick W. Oettinger 1968-9-1 634 Siskiyou e. shore Abbotts Lake; Salmon Mts., High Lake Basins, vicin. English Peak, Marble M 1722 Comment
  HSC36606  Corylus cornuta subsp. californica Brent Whitely 1975-7-3 130 Siskiyou 1220 Comment
  CHSC3228  Crataegus suksdorfii Virginia Hagaman 1966-5-14 182 Siskiyou 2 miles west of bridge before reaching old Oregon State road. Comment
  SBBG84017  Crepis acuminata K. T. Stillman 1976-7-15 247 Siskiyou Marble Mtn Wilderness Area Comment
  CAS-BOT-BC290479  Crepis acuminata Elmer I. Applegate 1932-6-13 7241 Siskiyou Captain Jack's Stronghold, Modoc Lava Beds National Monument Comment
  UC91846  Crepis modocensis subsp. modocensis T. S. Brandegee July, 1887 Siskiyou Ager Comment
  HSC37547  Crepis monticola J. P. Smith 1974-5-27 7634 Siskiyou Along FS Rd. 47N03 1280 Comment
  UC313843  Crepis monticola J. L. Collins 1927-6-8 Siskiyou Yreka Comment
  CAS-BOT-BC376542  Crepis monticola G. L. Stebbins, Jr.; E. B. Babcock 1936-6-13 1974 Siskiyou East and northeast slope of spur of Rainbow Ridge above Sulloway Creek about 1 1/2 mi. west of Mt. Shasta City 1180 Comment
  UC313844  Crepis occidentalis subsp. occidentalis J. L. Collins 1927-6-9 Siskiyou Yreka Comment
  UC1934559  Crepis pleurocarpa P. M. Peterson, J. M. Saarela & C. J. Sears 2006-8-10 19792 Siskiyou Scott Mountain summit, 0.3 mi N of Hwy 3 on Forest Service 40N 08. 509 Comment
  UC485353  Crepis pleurocarpa I. J. Condit 1909-8-23 25 Siskiyou near Sisson; Castle Lake 1981 Comment
  SEINET11835677  Crepis pleurocarpa C. G. Pringle 1882-1 s.n. Siskiyou Mts. about the head waters of the Sacramento River Comment
  SEINET7073599  Crocidium multicaule A. G. Vestal 1955-5-18 s.n. Siskiyou About 2.2 miles southeast of Dorris on US Route 97. UTM Zone 10, 588147mE, 4642648mN. Coordinate datum: NAD27. Comment
  UC566630  Crocidium multicaule Dorothy Tebbe 1930-3-28 43 Siskiyou Weed Comment
  UC164155  Cryptantha flaccida Geo. D. Butler 1910-5-7 1298 Siskiyou Yreka Comment
  JEPS101142  Cryptantha intermedia Dean W. Taylor 1996-6-18 15724 Siskiyou Scott Mountains; bordering Shasta Valley, hillslopes about 4 miles south of Gazelle; Shasta-Trinity National Forests 1524 Comment
  JEPS101588  Cryptantha milobakeri Dean W. Taylor 1999-6-9 17235 Siskiyou Agate Flat, 0.3 mi S of Oregon Sate Line 1005 Comment
  CAS-BOT-BC94404  Cryptantha torreyana R. C. Wenk 2005-7-15 203 Siskiyou Trinity Alps, above South Fork of the Salmon River, along the Yellow Rose Mine trail 1767 Comment
  CAS-BOT-BC70484  Cryptogramma acrostichoides John Thomas Howell 1937-7-26 13525 Siskiyou Caribou Basin, Salmon-Trinity Alps 2286 Comment
  JEPS24793  Cryptogramma acrostichoides Rimo Bacigalupi with Drs. Reino and Aloha Alava 1958-9-1 6802 Siskiyou shore of Castle Lake (headwater of Sacramento River) 1661 Comment
  SEINET11711703  Cryptogramma acrostichoides C. G. Pringle 1881-1 s.n. Siskiyou Mount Shasta 2286 Comment
  SD112358  Cryptogramma cascadensis Darley F. Howe 1948-8-14 3401 Siskiyou Mt. Shasta, Shasta National Forest 2440 Comment
  UCD78125  Cryptogramma cascadensis Robert E. Preston 2001-6-23 1579 Siskiyou Klamath National Forest, n slope of Rainbow Mtn, at Hemlock Lake. 1889 Comment
  CAS-BOT-BC70531  Cryptogramma cascadensis Geo. B. Grant 1902-9-1 5098 Siskiyou Horse Camp, Mt. Shasta 2438 Comment
  CAS-BOT-BC80536  Cupressus bakeri C. B. Wolf 1944-10-29 11478 Siskiyou N.E. side [Goose Nest] Goosenest Mt., about 1 mi. S. of [Goose Nest] Goosenest Rd. #1 leading off the Montague 1676 Comment
  CAS-BOT-BC80540  Cupressus bakeri Oliver V. Matthews 1939-7-22 42 Siskiyou unspecified 1219 Comment
  CAS-BOT-BC80541  Cupressus bakeri Carl B. Wolf 1930-10-19 1746 Siskiyou Modoc Lava Beds, 1 mile east of Timbered Butte on old road from C.W. Hill Farm at Dana to Little Hot Springs Valley 1219 Comment
  JEPS48247  Cupressus bakeri Louis C. Wheeler 1935-4-14 3417 Siskiyou West Fork Seiad Creek Siskiyou Mts. 1158 Comment
  UC650676  Cupressus bakeri Oliver V. Matthews 1939-7-14 34 Siskiyou North-westerly Grove , North-westerly Grove (Goose Nest Region) 1524 Comment
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Oct 13 2013
  SEINET8369569  Cupressus bakeri C. V. Matthews 1939-3-8 Siskiyou SE Siskiyou Co., Type locality. Comment
  JEPS24621  Cupressus lawsoniana Rimo Bacigalupi with Drs. Reino and Aloha Alava 1958-8-31 6774 Siskiyou on river bank directly opposite Mossbrae Falls (between Shasta Retreat and Shasta Springs); Sacramento River 731 Comment
  JEPS47086  Cuscuta approximata George D. Butler 1908-7-10 536 Siskiyou Yreka Comment
  JEPS47088  Cuscuta cephalanthi A. L. Grant 1902-9-1 5217 Siskiyou Sisson Comment
  UC1045305  Cycladenia humilis var. humilis unknown 1940-8-22 15476 Siskiyou w. bank Mud Creek Canyon, Mt. Shasta Mt. Shasta, Mudd Creek Canyon Comment
  RSA29836  Cynoglossum occidentale L. C. Wheeler 1934-6-7 2649 Siskiyou Siskiyou Mountains: Hungry Creek Lookout. 1502 Comment
  CDA37842  Cynoglossum officinale Ashley Knight 2012-7-16 PDR# 470 P06027571 Siskiyou Slightly west of Slagger Camp, Shasta/Trinity National Forest. 0 Comment
  CHSC2336  Cypripedium californicum V. Holt 1932-6-20 Siskiyou Mt. Eddy. ... Field redacted by CHSC, contact the data manager for more information 2133 Comment
  CAS-BOT-BC133735  Cypripedium californicum Doris K. Kildale 1929-7-20 8537 Siskiyou Field redacted by CAS, contact the data manager for more information 1219 Comment
  HSC19325  Cypripedium fasciculatum J. O. Sawyer 1968-6-18 229 Siskiyou Valley bottom of Blakes' Fork. 1707 Comment
  RSA383004  Cypripedium fasciculatum Robert Kessler 1920-1 s.n. Siskiyou Siskiyou Comment
  RSA382010  Cypripedium montanum Robert Kessler 1920-1 s.n. Siskiyou Siskiyou Comment
  UC13515  Cypripedium montanum F. P. McLean June, 1875 Siskiyou ravine Wicks Ranch Comment
  CDA18395  Cystopteris fragilis G. D. Barbe, J. T. Howell, T. C. Fuller 1980-5-2 2767 Siskiyou Klamath Ranges; North side of the river, north side of road 2 miles (3.2 km) east of Callahan at Hwy 3 bridge over the East Fork Scott River. 987 Comment
  HSC69514  Cystopteris fragilis John S. Palmer 1980-8-13 795 Siskiyou Dead Cow Creek, near FS 47N44 from Beaver Creek Rd. 1616 Comment
  UC1190381  Cystopteris fragilis Ira L. Wiggins 1955-7-29 13587 Siskiyou 3.5 mi above S. Fork Salmon River (along Thompson Creek) 1371 Comment
  JEPS82451  Cystopteris fragilis Gilbert Muth 1966-7-17 404 Siskiyou trail to Lookout (Marble Mt. Wilderness Area); Marble Mountain Wilderness Area 1828 Comment
  HSC26624  Dactylis glomerata J. P. Smith, Steve Selva 1970-6-15 3946 Siskiyou Road between Forks of Salmon and Cecilville. 579 Comment
  CAS-BOT-BC192259  Danthonia californica Ira L. Wiggins 1955-7-27 13551 Siskiyou Caribou Lake, Salmon River-Trinity Alps Primitive Area 2042 Comment
  HSC19086  Danthonia californica J. O. Sawyer 1969-7-25 1531 Siskiyou SE facing slope W of Sugar Lake 1845 Comment
  HSC37474  Danthonia californica A. M. Montalvo, J. D. Ackerman 1974-7-2 352 Siskiyou E slope of Mt. Eddy, 3 mi. below trailhead to Morgan Meadows. Comment
  POM365004  Danthonia californica var. americana M. B. Dunkle 1945-7-24 9263 Siskiyou Klamath National Forest, Marble Mountains; Dad's Pocket Comment
  RSA120219  Danthonia californica var. americana S. S. Tillett 1956-7-11 683 Siskiyou Meadows on both sides of Scott Mtn. divide near campground. Siskiyou-Trinity county line, ca. 8 miles SE of Callahan 1616 Comment
  HSC19072  Danthonia intermedia subsp. intermedia J. O. Sawyer 1969-8-4 1797 Siskiyou Above Sugar Lake 2134 Comment
  HSC69057  Danthonia intermedia subsp. intermedia Maralyn A. Renner 1980-8-6 2318 Siskiyou Cracker Meadow 1555 Comment
  CAS-BOT-BC76234  Darlingtonia californica L. E. Smith 1913-7-4 81908 Siskiyou Castle Lake. Comment
  HSC66258  Darlingtonia californica Maralyn A. Renner 1980-7-4 1435 Siskiyou Clear Creek Trail, N of Trout Camp 1037 Comment
  UC34981  Darlingtonia californica M. A. Howe 1894-8-9 Siskiyou Shasta Springs Comment
  UCD119061  Darlingtonia californica B. Crampton 1956-8-21 3805 Siskiyou Slopes above Gumboot Lake, headwater of the south fork of the Sacramento River. 1920 Comment
  UCD168826  Darlingtonia californica Barry Rice 2015-9-6 BR 150903 Siskiyou East of Caldwell Fen. 2025 Comment
  UCD168828  Darlingtonia californica Barry Rice 2015-9-5 BR 150901 Siskiyou Slopes NE of Toad Lake. 2133 Comment
  CAS-BOT-BC141831  Dasiphora fruticosa A. A. Heller 1915-8-26 12223 Siskiyou Heather meadow near the head of Wagon Creek Canyon, Mt. Eddy 2590 Comment
  UC1190171  Datisca glomerata Ira L. Wiggins 1955-7-21 13426 Siskiyou 7 mi above Cecilville (near Mount View Ranch, on South Fork Salmon River); South Fork Salmon River 975 Comment
  CAS-BOT-BC8952  Delphinium decorum subsp. tracyi Mrs. H. C. Cantelow 1936-5-20 s.n. Siskiyou Summit of Salmon Mtn. Comment
  UC922379  Delphinium glaucum Annie M. Alexander and Louise Kellogg 1949-7-23 5851 Siskiyou edge of creeks Marble Mountains, Paradise Lake 1920 Comment
  UC467761  Delphinium nudicaule Lewis C. Rosenbaum 1916-6-6 Siskiyou Shasta Springs Comment
  HSC41682  Delphinium nuttallianum Jennifer Whipple 1976-7-2 1283 Siskiyou Dale Creek drainage on the N face of Mt. Eddy 2195 Comment
  JEPS84232  Delphinium nuttallianum L. R. Heckard with J. Hickman et al. 1986-7-17 6518 Siskiyou e Condrey Mt. (n-facing cliffs); Alex Hole 1960 Comment
  UC467719  Delphinium nuttallianum Annie M. Alexander and Louise Kellogg 1911-6-26 193 Siskiyou Jackson L. 1798 Comment
  CAS-BOT-BC116173  Delphinium nuttallianum Dorothy Inez Parker 1945-7-19 98 Siskiyou Bear Creek 1828 Comment
  HSC34137  Delphinium nuttallianum J. O. Sawyer 1969-7-1 963 Siskiyou NE facing lower slope above Paynes Lake Creek 1829 Comment
  UCD96160  Delphinium nuttallianum Sandy Holloway 1963-5-19 58 Siskiyou 1 mile east of Humbug Creek. 853 Comment
  JEPS117878  Deschampsia atropurpurea unknown 1976-9-21 Siskiyou Lower Squaw Valley Cr. Mdw. Mt. Shasta 2249 Comment
  HSC86445  Deschampsia cespitosa D. K. Imper 1989-7-21 Siskiyou 8 mi. E of Somes Bar. 1372 Comment
  CAS-BOT-BC192460  Deschampsia cespitosa subsp. cespitosa Saxton; Canfield 1922-8-3 80 Siskiyou Klamath National Forest. Thompson Creek Comment
  RSA184788  Deschampsia danthonioides Gilbert Muth 1966-7-19 430 Siskiyou Marble Gap Trail, along first bluff, Marble Mountains. 1829 Comment
  CAS-BOT-BC201949  Deschampsia elongata Gilbert Muth 1966-7-18 415 Siskiyou Marble Gap Trail, above Marble Valley, Marble Mts. 1828 Comment
  HSC60818  Deschampsia elongata Ruby Van Deventer 1960-7-7 Siskiyou Bell Echo Camp in Youngs Valley Comment
  RSA12630  Deschampsia elongata C. B. Wolf 1934-7-4 5955 Siskiyou 6 8/10 mi. from Dry Lake Lookout, on rd. to Horse Creek, Siskiyou Mts. 1829 Comment
  RSA591530  Deschampsia elongata L. C. Wheeler 1934-6-3 2629 Siskiyou Cherry Flat, Klamath River; Siskiyou Mts. 518 Comment
  CAS-BOT-BC42969  Descurainia incisa subsp. incisa John Thomas Howell 1937-7-22 13326 Siskiyou South Fork of Salmon River near Big Flat. 1524 Comment
  HSC6707  Descurainia pinnata subsp. brachycarpa R. C. Wunner 1965-6-6 64 Siskiyou California Lava Beds National Monument, Indian Well Campground 1433 Comment
  CHSC106267  Descurainia sophia Lowell Ahart; John Dittes 2010-7-30 16942 Siskiyou About 5 yards south of the Shasta River, about 10 yards east of the East Louie Road Bridge, Shasta Big Springs Ranch, 1.6 miles (air) southwest of Big Springs Lake, 4.6 miles (air) northwest of Dwinnel Dam, 5.7 miles (air) southeast of Grenada. 716 Comment
  SDSU2980  Dianthus armeria subsp. armeria D. F. Howe 1977-7-2 4981 Siskiyou Scott River resort area. 610 Comment
  CAS-BOT-BC388466  Dianthus deltoides Duncan Dunning 1921-7-16 s.n. Siskiyou Toad Lake, southeast of Toad Mountain, northwest of Hambone, southeastern Siskiyou County Comment
  CHSC9499  Dicentra pauciflora J. F. Goodwin 1971-7-3 144 Siskiyou Southeast side of Castle Lake, 0.5 mi. south on Lookout Trail on east side of trail. 9.2 mi. sw of Mt. Shasta City. 1706 Comment
  HSC101  Dicentra pauciflora William J. Ferlatte 1967-6-29 566 Siskiyou Along Yellow Rose Mine Trail 1677 Comment
  JEPS64177  Dichelostemma capitatum Geo. D. Butler 1909-4-13 Siskiyou near Yreka Comment
  HSC36822  Dichelostemma multiflorum J. P. Smith 1974-5-25 7428 Siskiyou Along Rd. 8, 0.9 mi. from its junction with Hwy. 3 976 Comment
  UC796627  Dichelostemma multiflorum Roxana S. Ferris and Laura Lorraine Jun 12 1948-Jun 16 1948 11784 Siskiyou outskirts of Etna Etna Comment
  POM109926  Dichelostemma multiflorum Geo D. Butler 1910-5-18 1361 Siskiyou Yreka Comment
  CHSC4538  Dieteria canescens var. shastensis J. E. Bowlin 1967-7-18 51 Siskiyou Ca. 12 mi W of Mount Shasta Ski Bowl. 1066 Comment
  UC1408805  Dieteria canescens var. shastensis Robert F. Thorne and Fred Oettinger 1969-8-10 38945 Siskiyou along Ski Bowl Road (sw slope of Mt. Shata, Mt. Shasta National Forest); Mt. Shasta National Forest, sw slope of Mt. Shasta 1280 Comment
  UCR70754  Dimeresia howellii D. W. Taylor, G. L. Clifton, R. D. Stone 1987-8-7 9250 Siskiyou Caldwell Butte, Lava Beds National Monument. On crater floor at northern interior 1500 Comment
  CAS-BOT-BC153446  Diplacus layneae D. E. Breedlove 1962-6-11 3361 Siskiyou Along State Highway 89, 8.0 miles east of McCloud; Cascade Range 1127 Comment
  CHSC1777  Diplacus layneae M. Yoder 1941-7-12 Siskiyou Castle Lake. 1981 Comment
  CAS-BOT-BC153729  Diplacus nanus John Thomas Howell 1937-7-22 13299 Siskiyou South Fork of Salmon River near Big Flat 1524 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
  CAS-BOT-BC153736  Diplacus nanus Lillian S. Mott 1967-7-2 LM 6759 Siskiyou Highway 97 near Cougar 1371 Comment
  SDSU5840  Dipsacus sativus D. F. Howe 1962-8-5 3260 Siskiyou 56.8 miles east of Happy Camp on #96. 610 Comment
  RSA760544  Dodecatheon alpinum Robert F. Thorne, Frederick W. Oettinger 1969-8-4 63368 Siskiyou Klamath National Forest, Salmon Mountains, Marble Mountain Wilderness Area, high lake basins in the vicinity of English Peak. Comment
  RSA238726  Dodecatheon alpinum subsp. majus Frederick W. Oettinger 1966-8-7 45 Siskiyou Below Tom Taylor Cabin Springs. The Salmon Mountains. The High Lake Basins in the vicinity of English peak. Marble Mountain Wilderness Area. 2043 Comment
  RSA238728  Dodecatheon alpinum subsp. majus Frederick W. Oettinger 1969-9-4 1672 Siskiyou In wet boreal meadow below Tom Taylor Cabin Springs. Salmon Mtns. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2043 Comment
  HSC96403  Dodecatheon jeffreyi Gordon Leppig, J. Kalt 1996-7-9 353 Siskiyou Klamath National Forest, Russian Wilderness, cirque W of Little Duck Lake 2200 Comment
  JEPS82488  Dodecatheon jeffreyi Gilbert Muth 1965-8-6 187 Siskiyou backside of Black Mt. Marble Mt. Wilderness Area, Black Mt. 2042 Comment
  RSA211273  Dodecatheon jeffreyi William J. Ferlatte 1966-6-22 72 Siskiyou Josephine Lake basin; Trinity Alps. 1677 Comment
  RSA238713  Dodecatheon jeffreyi Frederick W. Oettinger 1968-8-3 380 Siskiyou Base Camp Meadow at mid-trail between Diamond and Hancock Lakes. Salmon Mtns. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2012 Comment
  JEPS101451  Downingia elegans var. elegans Dean W. Taylor 1999-6-9 17240 Siskiyou Agate Flat, 0.3 miles S of Oregon State Line 1005 Comment
  UC909358  Downingia yina Dorothy Parker 1948-7-11 100 Siskiyou above Beswick; Shovel Creek Comment
  JEPS84107  Draba howellii L. R. Heckard with J. Hickman et al. 1986-7-17 6462 Siskiyou ca 5 mi n of the town Seiad Valley (s of Lily Pad Lake, trail up Kangaroo Peak); s of Lily Pad Lake, Kangaroo Peak, n of Seiad Valley Comment
  UCD115052  Draba howellii W. C. Overton Jr. 1977-7-10 s.n. Siskiyou Along trail from Big Flat Campground to Sunrise Pass (between the headwaters of Gulick Creek to the NW and Sunrise Creek to the SE) between where it crosses contour lines 7280 and summit at ca. 7440 feet, Klamath National Forest. 2218 Comment
  CAS-BOT-BC41761  Draba howellii Gilbert Muth 1965-8-4 s.n. Siskiyou Marble Mountains. Comment
  CAS-BOT-BC41310  Draba pterosperma C. L. Hitchcock; J. S. Martin 1939-7-9 5317 Siskiyou King's Castle. 1828 Comment
  CAS-BOT-BC41311  Draba pterosperma K. T. Stillman 1976-7-30 318 Siskiyou Marble Mountain Wilderness Area. Ridge top just north of Black Mountain. 2103 Comment
  HSC77118  Draba pterosperma K. T. Stillman 1976-6-25 62 Siskiyou Marble Mtn. Wilderness Area 2073 Comment
  POM259621  Draba pterosperma J. T. Howell 1939-8-8 s.n. Siskiyou Marble Mountains: Black Mountain Comment
  UC722619  Draba pterosperma C. L. Hitchcock, J. S. Martin 1939-7-9 5302 Siskiyou n. side of Black Mt. near Marble Mt. (King's Castle); Black Mt. 2072 Comment
  SEINET4326819 Image available Draba verna Louis C. Wheeler 1935-4-18 3430 Siskiyou Siskiyou Mountains, Greenhorn Creek 1006 Comment
  HSC28739  Drosera rotundifolia Frederick W. Oettinger, R. F. Thorne 1969-8-8 1300 Siskiyou Marble Mtn. Wilderness Area, W above English Lake. 1829 Comment
  CAS-BOT-BC159683  Drymocallis glandulosa John Thomas Howell 1939-8-10 15264 Siskiyou Sky High Valley, Marble Mts. 1828 Comment
  RSA50232  Drymocallis glandulosa var. glandulosa E. K. Balls 1949-7-9 13940 Siskiyou 8.3 miles from Etna on road to Sawyer's Bar. 1006 Comment
  UC73027  Drymocallis lactea var. austiniae Milo S. Baker Aug. 1897 Siskiyou Mt. w Medicine Lake (near to); Mt. West of Medicine Lake 3048 Comment
  HSC90742  Drymocallis lactea var. lactea Jennifer Whipple 1976-7-8 1372 Siskiyou Dale Creek drainage on the N face of Mt. Eddy 2195 Comment
  HSC76772  Drymocallis lactea var. lactea K. T. Stillman 1976-8-7 372 Siskiyou Marble Mtn. Wilderness Area; trail from Black Mtn. Camp to Jump off point 1951 Comment
  CAS-BOT-BC158421  Drymocallis rhomboidea Louis C. Wheeler 1934-6-19 2732 Siskiyou Klamath National Forest. Cottonwood Creek 1432 Comment
  HSC65313  Dysphania botrys J. P. Smith, Steve Selva 1970-7-16 4378 Siskiyou Along Klamath River, 2 mi. W of Seiad Creek 518 Comment
  UC184358  Eleocharis bella Geo. D. Butler 1909-9-12 866 Siskiyou Oro Fino Comment
  JEPS95047  Eleocharis engelmannii Vernon Oswald and Lowell Ahart 1997-7-28 8808 Siskiyou on e side of Forest Route 15, 10.9 mi n of Highway 89; Forest Route 15 1383 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
  CAS-BOT-BC112695  Eleocharis parishii Louis C. Wheeler 1934-8-31 3230 Siskiyou Lund Ranch, W Fork Beaver Creek. 1066 Comment
  CHSC91241  Eleocharis parishii Lowell Ahart; John Dittes 2005-6-10 12096 Siskiyou At 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
  RSA577441  Eleocharis parishii L. C. Wheeler 1934-6-3 2628 Siskiyou Cherry Flat, Klamath River; Siskiyou Mts. 518 Comment
  JEPS117632  Elodea canadensis Lowell Ahart, John Dittes 2010-7-30 16964 Siskiyou In the Shasta River, about 30 yards northwest of the East Louie Road Bridge, Shasta Big Springs Ranch, 1.6 miles (air) southwest of Big Springs Lake, 4.6 miles (air) northwest of Dwinnel Dam, 5.7 miles (air) southeast of Grenada 716 Comment
  RSA184708  Elyhordeum macounii Gilbert Muth 1966-8-5 502 Siskiyou Meadow on Black Mountain Trail, Marble Mountains 1799 Comment
  SEINET10564673  Elymus elymoides A. Arthur Heller 1905-6-19 Heller 8071 Siskiyou Grenada Station. Comment
  JEPS19727  Elymus elymoides subsp. elymoides Rimo Bacigalupi with S. Galen Smith 1957-6-26 5938 Siskiyou about 2 1/2 mi nw Weed (close to US Hwy 99) 1005 Comment
  HSC75111  Elymus elymoides var. elymoides J. P. Smith, Thomas W. Nelson 1979-6-15 10121 Siskiyou Klamath National Forest, road to Carmen Lake, 0.6 mi. from its junction with Hwy. 3 1646 Comment
  HSC39437  Elymus intermedius J. P. Smith, J. O. Sawyer, Maralyn O'Meara 1972-7-4 Siskiyou Parrott Mill Rd, 2 mi. S of Sugar Creek 1341 Comment
  HSC41378  Elymus multisetus J. P. Smith 1976-5-22 8786 Siskiyou Callahan Rd. along the E side of Scott Valley 1037 Comment
  UCD62613  Elymus stebbinsii subsp. septentrionalis A. A. Beetle; G. L. Stebbins Jr. 1942-5-31 3406 Siskiyou Canyon N of Willow Creek, 5 miles W of Gazelle. Comment
  CHSC61572  Elymus trachycaulus subsp. trachycaulus L. P. Janeway 1983-8-26 593 Siskiyou Siskiyou Mountains; at Poker Flat, meadow. 1524 Comment
  SEINET3149797  Epilobium adenocaulon G. D. Butler 1910-6-22 1598 Siskiyou Ireka Creek Comment
  CAS-BOT-BC94895  Epilobium angustifolium R. C. Wenk 2006-9-2 547 Siskiyou Trail to Caribou Lakes from Big Flat Meadow, above Big Conrad Gulch 1950 Comment
  RSA237654  Epilobium angustifolium subsp. circumvagum Frederick W. Oettinger 1967-8-21 314 Siskiyou Northwest of Pine Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1878 Comment
  HSC215  Epilobium brachycarpum William J. Ferlatte 1966-8-2 239 Siskiyou Big Flat, wooded area near public camp 1524 Comment
  POM230570  Epilobium brachycarpum J. T. Howell 1937-7-23 13359 Siskiyou South Fork of Salmon River near Big Flat 1524 Comment
  CHSC86653  Epilobium ciliatum Jenny Marr 1993-7-1 36 Siskiyou Butte Valley Wildlife Area, +/- 7 air miles NW of the town of MacDoel. Meadow NW of Meiss Lake. 1349 Comment
  POM215737  Epilobium ciliatum subsp. ciliatum Louis C. Wheeler 1935-7-3 3650 Siskiyou 2 mi nw of Montague (Shasta River); Shasta River. 761 Comment
  UC637087  Epilobium ciliatum subsp. ciliatum Edward Lee 1934-8-11 1027 Siskiyou e end of valley Seiad Valley, Walker Creek (creek is a tributary of Klamath River) 457 Comment
  SEINET6635778 Image available Epilobium ciliatum subsp. glandulosum H. E. Brown 1897-1 552 Siskiyou S side of Mount Shasta 1524 Comment
  RSA237401  Epilobium ciliatum subsp. glandulosum Frederick W. Oettinger 1968-9-6 766 Siskiyou Upper meadow, Tobacco Lake. The Salmon Mountains. The High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1890 Comment
  CHSC96690  Epilobium glaberrimum subsp. fastigiatum Gordon Leppig; Jennifer Kalt 1996-7-9 364 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
  RSA790243  Epilobium glaberrimum subsp. fastigiatum Rebecca Wenk 2005-7-19 323 Siskiyou Along Pacific Crest Trail, 2 miles south of parking lot at top of pass on National Forest Road 17, going towards Mt. Eddy. 2165 Comment
  POM259758  Epilobium hallianum J. T. Howell 1939-8-10 15261 Siskiyou Spirit Lake, Marble Mountains 1829 Comment
  UCD106497  Epilobium lactiflorum Robert E. Preston 2001-7-21 1722 a Siskiyou Rainbow Mountain and Vicinity. Klamath National Forest, N slope of Rainbow Mountain. 2066 Comment
  CHSC57432  Epilobium minutum L. P. Janeway 1984-6-22 875 Siskiyou Ca 1 mi north of Scott Summit on Road 40N08. 1645 Comment
  HSC69700  Epilobium minutum Maralyn A. Renner 1980-6-26 1266 Siskiyou Klamath National Forest, ridge along FS Rd. 15N01, 1 mi. N of Flint Valley. 1494 Comment
  UC873437  Epilobium minutum Louis C. Wheeler 1935-6-9 3551 Siskiyou Yreka Creek Siskiyou Mts. 1219 Comment
  SEINET10632308  Epilobium oreganum A. Arthur Heller 1914-8-28 Heller s.n. Siskiyou Mt. Eddy 1290 Comment
  RSA237394  Epilobium oregonense Frederick W. Oettinger 1969-8-19 1460 Siskiyou Moist area between King David Peak and Abbott s Basin. Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1860 Comment
  POM251090  Epilobium paniculatum W. Bridge Cooke 1938-7-22 11314 Siskiyou Mt. Shasta 1220 Comment
  HSC92073  Epilobium siskiyouense Jennifer Whipple 1976-7-24 1558 Siskiyou SW of Dobkins Lake along the drainage into the lake 2287 Comment
  CAS-BOT-BC56959  Equisetum arvense Edward Lee 1934-8-13 1077 Siskiyou Happy Camp - Waldo (Oregon) Road, Watershed of West Branch of Indian Creek, Klamath Nat. For. 1371 Comment
  CAS-BOT-BC57810  Equisetum laevigatum Edward Lee 1934-8-10 1021 Siskiyou S. bank of Klamath River between McKinney and Parkhouse creeks (near Hamburg). 609 Comment
  CAS-BOT-BC57811  Equisetum laevigatum W. B. C. 1940-6-7 15088 Siskiyou Just n. of Mount Shasta City along US99. 1082 Comment
  CAS-BOT-BC204508  Eragrostis cilianensis Dorothy Parker 1948-8-24 227 Siskiyou Plowman's Valley, e. fork of Scott River 1188 Comment
  CAS-BOT-BC204626  Eragrostis mexicana subsp. virescens R. E. Frenkel 1964-10-2 882 Siskiyou On Everitt Memorial Hwy., 1.0 mile north of McCloud River RR crossing, near Mount Shasta 1219 Comment
  HSC67515  Eremogone congesta J. P. Smith, Steve Selva 1970-7-15 4360 Siskiyou Baldy Mtn. Lookout Station 1723 Comment
  CAS-BOT-BC168330  Eremogone congesta var. congesta A. A. Heller 1918-7-16 13031 Siskiyou Mt. Eddy, west of Sisson 2133 Comment
  CAS-BOT-BC168848  Eremogone congesta var. congesta H. A. Thomas; J. H. Thomas 1954-7-24 4507 Siskiyou Vicinity of Rush Lake and Rush Creek Meadow, about 9 miles E of Cecilville, Salmon - Trinity Mts. 1981 Comment
  CAS-BOT-BC168850  Eremogone congesta var. congesta Doris K. Kildale 1929-7-20 8583 Siskiyou East spur of Preston Peak above Rockefeller Lake 2133 Comment
  HSC75350  Eremogone congesta var. congesta J. O. Sawyer, M. Mesler 1980-8-10 4032 Siskiyou S of Carmen Lake, ultramafics of Scott Mtn. 1829 Comment
  JEPS116879  Eriastrum signatum David Gowen 2007-7-11 776 Siskiyou South of the town of Lake Shastina. Along dirt road to dump/dirt storage area off of Big Springs Rd., and just north of Jackson Ranch Rd. Comment
  CAS-BOT-BC286708  Ericameria bloomeri L. R. Abrams 1922-8-7 9915 Siskiyou One mile south of Weed Comment
  CAS-BOT-BC287498  Ericameria greenei Louis C. Wheeler 1934-8-24 3220 Siskiyou Trapper Creek, Klamath Forest 1859 Comment
  CHSC8609  Ericameria nauseosa G. Smalley 1967-6-20 Siskiyou Collected 7 miles e of Callahan. 1066 Comment
  CAS-BOT-BC299464  Ericameria nauseosa var. speciosa Louis C. Wheeler 1934-6-26 2788 Siskiyou Camp Low, Klamath River, Siskyou Mts. 731 Comment
  UC1119831  Ericameria nauseosa var. speciosa A. E. Wieslander 1932-10-9 274 Siskiyou near Hilts; Yreka Comment
  UC134757  Ericameria nauseosa var. speciosa E. B. Copeland 1903-10-10 3785 Siskiyou Pacific Coast, Mt. Eddy 2225 Comment
  CAS-BOT-BC294404  Ericameria parryi var. latior Alice Eastwood 1912-8-30 2079 Siskiyou Mount Eddy Comment
  HSC5546  Erigeron aliceae Ruby Van Deventer 1939-7-18 43 Siskiyou Poker Flat, south of Little Greyback Mtn 1524 Comment
  HSC61779  Erigeron aliceae Ruby Van Deventer 1960-7-13 Siskiyou Poker Flat 1585 Comment
  UC922286  Erigeron aliceae Annie M. Alexander and Louise Kellogg 1949-7-19 5807 Siskiyou in meadows on trail up Kelsey Cr. (Paradise Lake); Marble Mountains, , Kelsey Cr. 2072 Comment
  HSC96679  Erigeron bloomeri var. bloomeri Thomas W. Nelson, Susan Erwin 2004-6-3 9223 Siskiyou Forest Service Rd. 40N08 at junction with FS Rd.44N44 1696 Comment
  CAS-BOT-BC297107  Erigeron compositus Wm. Bridge Cooke 1940-7-26 15384 Siskiyou Vicinity of Merriam's timberline on the west side of Shastina, Mount Shasta 2895 Comment
  HSC39833  Erigeron compositus J. O. Sawyer 1969-7-9 1263 Siskiyou N slope of Grizzly Peak. 2378 Comment
  HSC44956  Erigeron compositus J. O. Sawyer 1978-6-16 3229 Siskiyou Marble Mtn. Wilderness Area, Upper Elk Valley 1951 Comment
  UC1540130  Erigeron compositus Dean W. Taylor 1987-6-26 9072 Siskiyou 2 mi w Medicine Lake; Little Mount Hoffman 2209 Comment
  HSC5560  Erigeron elegantulus R. C. Wunner 1965-7-9 375 Siskiyou Lava Beds National Monument Upper Ice Cave 1555 Comment
  HSC25661  Erigeron glacialis var. glacialis J. O. Sawyer 1969-8-4 1823 Siskiyou Above Sugar Lake 2134 Comment
  JEPS75885  Erigeron glacialis var. glacialis W. J. Ferlatte 1966-8-5 336 Siskiyou Caribou Mountain; Trinity Alps, Caribou Mountain 2468 Comment
  UC630402  Erigeron inornatus var. inornatus Annetta Carter 1939-8-21 1474 Siskiyou near crest of peak above se end of Taylor Lake (12 mi sw of Etna); Salmon Mountains 2286 Comment
  UC75286  Erigeron inornatus var. inornatus Copeland 1903-7-3 3531 Siskiyou Klamathon Comment
  UC895896  Erigeron inornatus var. inornatus Alice Eastwood 1912-9-4 2098 Siskiyou Sisson Comment
  JEPS89705  Erigeron klamathensis Dean William Taylor 1972-7-3 1599 Siskiyou at Cook and Green Pass Cook and Green Pass 1371 Comment
  UC1023731  Erigeron nivalis W. Bridge Cooke 1941-8-14 16180 Siskiyou on ridges n of Horse Camp; Mount Shasta 2743 Comment
  CAS-BOT-BC295364  Erigeron petrophilus R. C. Wenk 2005-7-15 215 Siskiyou Trinity Alps, above South Fork of the Salmon River, along the Yellow Rose Mine trail. Top of pass, going N along ridge towards Preacher's Peak 2133 Comment
  CAS-BOT-BC33500  Erigeron petrophilus var. viscidulus Edwin Bingham Copeland 1903-8-17 s.n. Siskiyou Mt. Eddy 1402 Comment
  HSC92789  Erigeron petrophilus var. viscidulus Jennifer Whipple 1976-7-13 1462 Siskiyou E and S facing slopes draining into the N Fork of the Sacramento River 2256 Comment
  RSA259554  Erigeron petrophilus var. viscidulus J. P. Smith, J. O. Sawyer 1973-8-14 7305 Siskiyou On trail from Campbell Lake to Cliff Lake. 1828 Comment
  HSC65825  Erigeron petrophilus var. viscidulus D. Reed 1980-8-6 285 Siskiyou Klamath National Forest, rocky knoll S of Tom Martin Peak 1982 Comment
  HSC29865  Erigeron philadelphicus D. H. Norris, Thomas W. Nelson, S. Dowty 1971-6-23 19538 Siskiyou Along Hwy. 96 about 8 mi. E of junction with Hwy. 5 Comment
  HSC44483  Erigeron philadelphicus K. Irwin 1977-5-22 396 Siskiyou On S Fork Salmon River Rd., 4.5 mi. W of Cecilville Comment
  UC31542  Erigeron philadelphicus var. philadelphicus T. H. Gilbert Jun 15 1899-Jul 15 1899 Siskiyou Scott River Valley Comment
  CDA34233  Eriodictyon californicum Jim Rea 2010-7-6 PDR# 1414046 Siskiyou Yreka, Quail Run near Schulmeyer Road. 0 Comment
  CAS-BOT-BC250067  Eriogonum compositum var. compositum E. K. Balls 1949-7-9 13932 Siskiyou 8.3 miles from Etna on road to Sawyer's Bar 1005 Comment
  HSC35112  Eriogonum compositum var. compositum J. P. Smith 1974-5-27 7634 Siskiyou Along FS Rd. 47N03 1280 Comment
  HSC43399  Eriogonum compositum var. compositum K. T. Stillman 1976-8-7 201 Siskiyou Marble Mtn. Wilderness Area 1982 Comment
  JEPS80552  Eriogonum compositum var. compositum Gilbert Muth 1965-8-10 201 Siskiyou upper third to top of ridge, Marble Mt. Wilderness Area Marble Mt. Wilderness Area 2011 Comment
  HSC41055  Eriogonum compositum var. compositum J. O. Sawyer 1969-7-8 1094 Siskiyou Ridge N of High Lake 2360 Comment
  CAS-BOT-BC261214  Eriogonum hirtellum James L. Reveal; Mark L. Reveal 1975-8-15 3958 Siskiyou Along the Baldy Mountain Lookout Road south of the South Fork of Indian Creek (Forest Service Road 17N23), 0.8 mile south of Bear Gulch crossing and about 4.3 miles north of Baldy Mountain Lookout, Siskiyou Mountains, Klamath National Forest Comment
  CAS-BOT-BC263655  Eriogonum luteolum var. luteolum Annetta Carter 1934-8-10 690 Siskiyou South bank of Klamath River between McKinney and Parkhouse Creeks, near Hamburg 609 Comment
  LA206908  Eriogonum luteolum var. luteolum Louis C. Wheeler; 1934-6-28 2811 Siskiyou Siskiyou Mountains, Beaver Creek at West Fork 701 Comment
  HSC43461  Eriogonum marifolium Jennifer Whipple 1976-6-24 1130 Siskiyou N slopes of Mt. Eddy 2439 Comment
  RSA34058  Eriogonum marifolium A. A. Heller 1920-8-12 13522 Siskiyou Spring above Horse Camp Comment
  SBBG1445  Eriogonum marifolium H. and M. Dearing 1948-9-12 6429 Siskiyou Mt Shasta 2316 Comment
  UC849523  Eriogonum marifolium Alice Eastwood 1912-9-1 2072 Siskiyou Mount Shasta Comment
  CHSC63610  Eriogonum marifolium var. cupulatum Vernon H. Oswald; Lowell Ahart 1994-8-10 6456 Siskiyou FS 41N01Y at Elk Flat, ca. 1 mi N of Pilgrim Creek Rd. (FS13), ca. 11 mi (air) NE of McCloud. In a meadow. 1243 Comment
  RSA800279  Eriogonum marifolium var. marifolium Rebecca Wenk 2008-7-23 904 Siskiyou Southwest side of Mount Shasta, trail from Bunny Flat to Sierra Club Cabin above Avalanche Gulch. 2119 Comment
  RSA17737  Eriogonum microtheca var. laxiflorum Elmer I. Applegate 1935-8-3 10018 Siskiyou North base of Caldwell Butte, Lava Beds National Monument Comment
  CHSC32977  Eriogonum nudum var. nudum J. P. Smith; J. O. Sawyer 1972-5-28 5366 Siskiyou 2.7 miles north of road 8 and Sugar Creek on State Route 3; hillside and roadside ditch. 914 Comment
  SEINET7064425  Eriogonum nudum var. nudum A. G. Vestal 1955-5-16 s.n. Siskiyou Serpentine ca. 6.2 miles northwest of weed. (NAD83/WGS84). UTM Zone 10, 543207mE, 4591515mN. 902 Comment
  CAS-BOT-BC272471  Eriogonum nudum var. pubiflorum Annetta Carter 1934-8-10 692 Siskiyou South bank of the Klamath River between McKinney and Parkhouse creeks (near Hamburg) 609 Comment
  HSC17324  Eriogonum nudum var. pubiflorum C. B. Wolf 1927-8-26 1024 Siskiyou Klamath River, 5 mi. below Hornbrook Comment
  SBBG1575  Eriogonum nudum var. pubiflorum H. and M. Dearing 1939-6-3 3538 Siskiyou near Scott Bar 609 Comment
  UC164237  Eriogonum nudum var. pubiflorum Geo. D. Butler 1910-6-26 1605 Siskiyou near Yreka Comment
  CAS-BOT-BC272498  Eriogonum nudum var. pubiflorum V. June Wetherell 1961-8-9 491 Siskiyou Lava Beds National Monument Comment
  HSC40982  Eriogonum nudum var. pubiflorum J. O. Sawyer 1975-7-15 2696 Siskiyou 11 mi. W of Ft. Jones along SR 3 Comment
  SD22390  Eriogonum nudum var. pubiflorum Susan G. Stokes 1932-7-14 Siskiyou Near Yreka Comment
  CAS-BOT-BC252964  Eriogonum pyrolifolium var. pyrolifolium Wm. Bridge Cooke 1938-7-28 11372 Siskiyou North Ridges, Mount Shasta 2743 Comment
  JEPS109881  Eriogonum pyrolifolium var. pyrolifolium Dean W. Taylor 2005-8-16 19458 Siskiyou Mt. Shasta; slopes between Brewer Creek and Ash Creek 2346 Comment
  CHSC67581  Eriogonum siskiyouense James D. Jokerst 1992-7-30 3429 Siskiyou Top of divide between Trinity River, summit of reddish mountain S of road crossing saddle. [no additional location data; W of Interstate 5? V. Oswald] Comment
  JEPS82246  Eriogonum siskiyouense Roger Raiche 1983-8-14 30614 Siskiyou fell-field slope near summit of road to Mt. Eddy (<road> A.K.A. road to Dead Fall Meadow, Park Creek Rd. or Forest Rd. 42N17) 2133 Comment
  CHSC118625  Eriogonum sphaerocephalum var. halimioides Richard R. Halse 2016-5-29 9723 Siskiyou Along Hilt Road east of Hilt. 902 Comment
  HSC17426  Eriogonum strictum var. anserinum R. C. Wunner 1965-6-7 127 Siskiyou Lava Beds National Monument, near Dragon Head Cave 1364 Comment
  HSC17431  Eriogonum strictum var. greenei W. L. Jepson 1940-6-23 19980 Siskiyou Yreka 823 Comment
  CAS-BOT-BC263386  Eriogonum strictum var. proliferum Arthur Menzies 1962-7-21 s.n. Siskiyou Mt. Eddy 2529 Comment
  CAS-BOT-BC263397  Eriogonum strictum var. proliferum Alice Eastwood 1912-8-30 2008 Siskiyou Mount Eddy Comment
  JEPS93922  Eriogonum strictum var. proliferum Vernon H. Oswald and Lowell Ahart 1998-8-3 9407 Siskiyou 11.5 mi w of Gazelle ((USFS 41N03) 0.2 mi e of its junction with Gazelle-Callahan Road); USFS 41N03 1524 Comment
  SEINET11938258  Eriogonum strictum var. proliferum H. M. Hall, Babcock, E. B. 1903-1 4099 Siskiyou Mount Shatsa, Little Shasta Valley 853 Comment
  HSC71010  Eriogonum ternatum S. A. Harris 1981-7-31 606 Siskiyou Steep gravel slope 1402 Comment
  HSC101403  Eriogonum umbellatum J. P. Smith, J. O. Sawyer, R. J. Cole 2010-8-7 13071 Siskiyou Klamath National Forest, road to Crater Lake off Forest Service Road 40N24. 2005 Comment
  JEPS102933  Eriogonum umbellatum Thomas W. Nelson and Jane P. Nelson 1980-7-20 6154 Siskiyou Along FS road 40N08, Carmen Lake Rd, 6 mi from junction with State Route 3; China Mountain 1645 Comment
  CAS-BOT-BC267988  Eriogonum umbellatum var. argus Doris K. Kildale 1929-8-24 9037 Siskiyou Rattlesnake Meadow, trail to Preston Peak 1676 Comment
  RSA237986  Eriogonum umbellatum var. argus Frederick W. Oettinger 1969-8-25 1548 -b Siskiyou Salmon Mtns. High Lake Basins in the vicinity of English Peak. Marble Mtn Wilderness Area. 2027 Comment
  UC163831  Eriogonum umbellatum var. argus Geo. D. Butler 1908-8-9 214 Siskiyou summit s Marble Valley Comment
  RSA420577  Eriogonum umbellatum var. argus Louis C. Wheeler 1934-9-1 3234 Siskiyou Siskiyou Mountains, Jaynes Canyon. 1951 Comment
  UC849589  Eriogonum umbellatum var. dumosum A. A. Heller 1938-7-13 15271 Siskiyou just s Bray 1402 Comment
  UC1949261  Eriogonum umbellatum var. humistratum Barbara Ertter 1990-7-16 9385 Siskiyou NW side of Mt Eddy ca 8 airmiles SW of Weed, ca 2 mi E of Parks Cr trailhead (= crest of Rt 17) along ridge Comment
  JEPS94877  Eriogonum umbellatum var. modocense Vernon H. Oswald and Lowell Ahart 1998-7-21 9320 Siskiyou ne of Weed (Highway 97 at the 11.0 Mile Marker, 1.2 mi w of A12); Highway 97 at the 11.0 Mile Marker 1188 Comment
  UC1540140  Eriogonum umbellatum var. nevadense Dean Wm. Taylor, Glenn L. Clifton, R. Doug Stone 1987-8-7 9265 Siskiyou on northern interior rim of crater Lava Beds National Monument, Caldwell Butte 1499 Comment
  CAS-BOT-BC265199  Eriogonum umbellatum var. nevadense A. A. Heller 1922-7-14 13684 Siskiyou Near Pumice Stone Mountain Comment
  RSA11905  Eriogonum umbellatum var. speciosum Elmer I. Applegate 1923-9-7 3961 Siskiyou Rocky summit of the Siskiyou Mountains, above Dry Lake Ranger Station. Comment
  HSC96736  Eriogonum ursinum var. erubescens James L. Reveal, Julie Knorr 2002-8-5 8371 Siskiyou Scott Bar Mtns., N and W slope and ridge of Deadwood Baldy Peak, Klamath National Forest 1675 Comment
  SEINET13095711  Eriogonum ursinum var. erubescens Unknown 2002-8-5 8371 Siskiyou Scott Bar Mountains, n and w slope and ridge of Deadwood Baldy Peak, Klamath National Forest. 1670 Comment
  SEINET3160095  Eriogonum vimineum G. D. Butler 1910-6-17 1572 Siskiyou near Yreka Comment
  UCD132177  Eriophyllum lanatum Wm. E. Moon 1958-5-29 s.n. Siskiyou State Highway 97, 12 miles northeast of Weed. 1219 Comment
  CAS-BOT-BC301133  Eriophyllum lanatum var. achilleoides A. A. Heller 1905-6-8 7992 Siskiyou Yreka Comment
  UC507118  Eriophyllum lanatum var. achilleoides Lincoln Constance 1933-6-21 E 86 Siskiyou 1 mi s Weed Comment
  UC726554  Eriophyllum lanatum var. achilleoides A. A. Heller 1916-7-22 12488 Siskiyou e side Mt. Eddy Comment
  CAS-BOT-BC301721  Eriophyllum lanatum var. lanceolatum Philip A. Munz 1949-5-18 13309 Siskiyou 2 miles southwest of Gazelle 1066 Comment
  UC1483418  Eriophyllum lanatum var. lanceolatum Maralyn A. Renner 1980-7-23 1840 Siskiyou Pacific Crest Trail near ridge about 1 mi e Cook and Green Pass; Klamath National Forest, Seiad Valley Quad. 1752 Comment
  HSC41085  Erodium cicutarium J. O. Sawyer 1970-3-4 2071 Siskiyou N of Idlewild Campground. 762 Comment
  HSC62632  Erysimum capitatum Stansell 1928-6-18 Siskiyou Youngs Valley Comment
  CAS-BOT-BC54578  Erysimum capitatum Doris K. Kildale 1929-7-20 8558 Siskiyou South Fork Indian Creek near Gilmore's. 457 Comment
  HSC64095  Erysimum capitatum var. capitatum J. P. Smith 1973-5-5 6484 Siskiyou Along Cook and Green Pass Rd. Comment
  SD88545  Erythranthe guttata Darley F. Howe 1972-7-5 Siskiyou 0.6 miles south of Oregon state line on road to Happy Camp 1707 Comment
  SD128722  Erythranthe moschata Darley F. Howe 1980-7-6 Siskiyou 1.3 mile south of Oregon state line on road to Happy Camp 1645 Comment
  CAS-BOT-BC133271  Erythronium citrinum Elmer I. Applegate 1932-4-16 7061 Siskiyou Klamath River opposite the mouth of Doggett Creek Comment
  RSA237908  Erythronium grandiflorum subsp. grandiflorum Frederick W. Oettinger 1968-8-12 600 Siskiyou Above Diamond Lake on ridge to English Peak. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area 2134 Comment
  UC1083341  Erythronium hendersonii Herbert L. Mason 1931-5-9 5861 a Siskiyou Siskiyou Summit Comment
  HSC63071  Erythronium oregonum subsp. leucandrum David Wheeler 1979-4-1 3 Siskiyou Matthews Creek Campground, S Fork of the Salmon River, between Cecilville and Forks of the Salmon Comment
  CAS-BOT-BC402627  Eschscholzia caespitosa A. A. Heller 1918-7-16 13081 Siskiyou Fields south of Yreka Comment
  JEPS124522 Image available Eschscholzia californica J. Yamanaka 1965-7-13 137 Siskiyou McCloud Highway 89 m. Center of town. Comment
  HSC78314  Eucephalus glabratus L. P. Janeway 1983-8-28 634 Siskiyou Poker Flat, S edge of meadow 1529 Comment
  JEPS22185  Eucephalus glabratus Geo. D. Butler 1908-8-7 295 Siskiyou Whiskey Camp Independence Creek 1676 Comment
  HSC62619  Eucephalus ledophyllus var. ledophyllus Ruby Van Deventer 1962-8-15 Siskiyou Youngs Valley Comment
  HSC65053  Euonymus occidentalis J. P. Smith, Steve Selva 1970-6-16 4089 Siskiyou 7 mi. W of Sawyers Bar on road to Forks of Salmon Comment
  CAS-BOT-BC310632  Eurybia radulina John Thomas Howell 1939-8-9 15246 Siskiyou Shackleford Creek Trail, Marble Mts. Comment
  CAS-BOT-BC459230  Euthamia occidentalis Geo. D. Butler 1910-8-27 1859 Siskiyou Oro Fino Comment
  CAS-BOT-BC278728  Festuca idahoensis John Thomas Howell 1939-8-9 15240 Siskiyou Shackleford Creek Trail, Marble Mts. Comment
  CAS-BOT-BC278734  Festuca idahoensis G. J. Muth 1969-8-10 1318 Siskiyou Ridge w. of Boulder Peak Comment
  HSC76703  Festuca idahoensis K. T. Stillman 1976-7-14 222 Siskiyou Marble Mtn. Wilderness Area, Kings Castle 2073 Comment
  CAS-BOT-BC278878  Festuca occidentalis Louis C. Wheeler 1934-6-1 2658 Siskiyou Klamath National Forest. N. Hungry Cr. 1219 Comment
  HSC13  Festuca occidentalis William J. Ferlatte 1966-6-22 108 Siskiyou 3 mi. S of Big Flat 1585 Comment
  HSC19060  Festuca occidentalis J. O. Sawyer 1969-7-23 1174 Siskiyou Near Horse Range Creek. 1341 Comment
  HSC26623  Festuca occidentalis J. P. Smith, Steve Selva 1970-6-16 3990 Siskiyou 6 mi. from Hwy. 3 on Rd. 8 to Sugar Creek. 1280 Comment
  SEINET10930646  Festuca pratensis Louis C. Wheeler 1935-6-2 Wheeler 3545 Siskiyou Damp sunny river flat, Shasta River. Siskiyou Mts. T45N R7W S1. Mt. Diablo Mer. 732 Comment
  JEPS57224  Festuca roemeri L. R. Heckard 1967-8-13 1711 Siskiyou e flank Mt. Eddy 2727 Comment
  UC593536  Festuca roemeri E. B. Babcock, G. L. Stebbins Jr. 1936-6-11 1894 Siskiyou 2 mi s Yreka 822 Comment
  CHSC61575  Festuca rubra L. P. Janeway 1983-7-7 390 Siskiyou Siskiyou Mountains; southeast-sloping ridge just northwest behind West Branch Guard Station. 701 Comment
  UC1108537  Festuca subulata Ira L. Wiggins 1955-7-29 13591 Siskiyou 3.5 mi above South Fork of Salmon River (along Thompson Creek); Thompson Creek 1371 Comment
  UCD66431  Festuca subulata A. A. Beetle; G. L. Stebbins Jr. 1942-5-31 3440 Siskiyou Near Happy Camp above the Klamath River. Comment
  UC221671  Fragaria vesca H. E. Brown Jun 11 1897-Jun 16 1897 348 Siskiyou n side Mt. Shasta 1524 Comment
  CAS-BOT-BC457571  Fragaria vesca subsp. californica Clarence R. Quick 1959-6-19 59 - 21 Siskiyou 6.7 miles south of Four Corners on ridge south-east of Seiad Valley Comment
  CAS-BOT-BC447517  Fragaria virginiana var. platypetala Wm. Bridge Cooke 1939-6-23 13542 Siskiyou Frequent around moist places at the lower end of the upper Wagon Camp meadow 1737 Comment
  CAS-BOT-BC53418  Frangula californica subsp. occidentalis Doris K. Kildale 1929-7-20 8655 Siskiyou trail up South Fork, Indian Creek to Elk Lick Comment
  CAS-BOT-BC59977  Frangula purshiana Alice Eastwood 1912-7-23 1333 Siskiyou Cantaria. Comment
  CAS-BOT-BC59982  Frangula purshiana C. Hart Merriam 1907-9-26 s.n. Siskiyou Shovel Creek, Klamath Hot Springs. Comment
  CAS-BOT-BC55718  Frangula rubra subsp. obtusissima L. E. Smith 1913-6-29 s.n. Siskiyou Rainbow Comment
  HSC101837  Frangula rubra subsp. obtusissima J. P. Smith, J. O. Sawyer, R. J. Cole 2011-5-22 13169 Siskiyou Klamath National Forest, East Fork Campground. 735 Comment
  POM76612  Frasera albicaulis var. nitida Geo. D. Butler 1910-6-2 1451 Siskiyou Near Yreka Comment
  CAS-BOT-BC505272  Fritillaria atropurpurea John Thomas Howell 1939-8-2 14896 Siskiyou Spirit Lake, Marble Mts. 1828 Comment
  RSA237917  Fritillaria atropurpurea Frederick W. Oettinger 1968-8-2 369 Siskiyou Minor peak north of Diamond Lake. The Salmon Mountains. The High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area 2098 Comment
  RSA256720  Fritillaria atropurpurea J. P. Smith 1974-5-26 7558 Siskiyou Along Forest Service Road 47N03 1524 Comment
  CHSC9125  Fritillaria pudica J. L. Wilson 1970-3-23 221 Siskiyou 7.6 mi. North of Yreka, on old Interstate 5 road. 1.5 mi. South of intersection of Highway 96 and I. 5. 670 Comment
  UC1076048  Fritillaria pudica Herbert L. Mason 1947-5-17 14778 Siskiyou summit of Scott Mountain grade Scott Mountain Comment
  RSA367754  Fritillaria recurva A. Sandig 1917-05 s.n. Siskiyou Mt. Shasta region [possibly also Shasta Co.] Comment
  HSC19068  Galium bolanderi J. O. Sawyer 1969-7-23 1452 Siskiyou Near N Horse Range Creek, along C.C.C. road. 1341 Comment
  HSC67859  Galium bolanderi J. P. Smith, Steve Selva 1970-6-16 3994 Siskiyou 5 mi. from Hwy. 3 on Rd. 8 to Sugar Creek. 1189 Comment
  JEPS26968  Galium bolanderi Rimo Bacigalupi with L. Constance and L. Heckard 1960-7-20 7462 Siskiyou above and due e Twin Valley (about 12 air mi ne of Happy Camp); Siskiyou Mts. 1584 Comment
  JEPS93919  Galium bolanderi Vernon H. Oswald and Lowell Ahart 1998-8-3 9412 Siskiyou Kangaroo Lake Road (USFS 41N08) 3.5 mi se of Gazelle-Callahan Road; Kangaroo Lake Road 1493 Comment
  UC618720  Galium bolanderi W. Bridge Cooke 1938-7-22 11322 Siskiyou Sisson Southern Trail Mount Shasta Comment
  HSC19813  Galium glabrescens Lauramay T. Dempster, Clare B. Hardham 1961-7-1 1820 Siskiyou White Mtn., just S of the Oregon border, E slope just below the peak Comment
  JEPS33853  Galium grayanum Gilbert Muth 1966-7-22 437 Siskiyou Marble Rim Marble Mt. Wilderness Area 2194 Comment
  CHSC91385  Galium parisiense Lowell Ahart; John Dittes 2005-6-10 12116 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
  HSC81550  Galium serpenticum subsp. scotticum Thomas W. Nelson, Jane P. Nelson 1980-7-21 6158 Siskiyou Along FS Rd. 40N08, 0.6 mi. from junction with Hwy. 3 1646 Comment
  HSC81558  Galium serpenticum subsp. scotticum Thomas W. Nelson, Jane P. Nelson 1980-7-21 6159 Siskiyou Along F.S. 40N08, 0.6 mi. from junction with S.R. 3 1646 Comment
  JEPS104959  Galium serpenticum subsp. scotticum Dean W. Taylor 1996-6-26 15759 Siskiyou serpentine ridge on west hills of Scott Valley, on divide between Cedar Gulch and Sugar Creek (about 10 miles south of Etna); Klamath National Forest 1112 Comment
  JEPS83625  Galium serpenticum subsp. scotticum Marla Knight 1987-7-14 935 Siskiyou junction of Hwy 3 and FS Rd. 40N03 Klamath National Forest, Scott River District, China Mtn. SW 1417 Comment
  HSC65425  Galium serpenticum subsp. scotticum D. Reed 1980-8-12 289 Siskiyou Klamath National Forest; Tom Martin Peak 1982 Comment
  UC163751  Galium trifidum Geo. D. Butler 1910-7-9 1691 Siskiyou Shackleford Creek 1219 Comment
  UC1586850  Galium trifidum var. pusillum Juha Pykala and D. H. Norris 1987-7-8 2454 Siskiyou n shore Medicine Lake 2040 Comment
  UC1409413  Galium triflorum Frederick W. Oettinger 1968-8-7 436 Siskiyou e side Diamond Lake; Salmon Mountains, Marble Mountain Wilderness Area 1935 Comment
  UC642561  Galium triflorum W. Bridge Cooke 1939-6-30 13567 Siskiyou along a spring creek Mt. Shasta, MacBride Springs Comment
  HSC30218  Garrya fremontii William J. Ferlatte 1968-6-8 1129 Siskiyou Big Flat, wooded area near public camp 1524 Comment
  HSC8398  Garrya fremontii C. B. Wolf 1927-8-26 1045 Siskiyou Along Klamath River, 4 mi. N of Gottville Comment
  JEPS66736  Garrya fremontii W. L. Jepson 1894-8-9 14157 Siskiyou Shasta Springs Comment
  UC876008  Garrya fremontii unknown 1941-9-16 16319 Siskiyou along Castle Lake Road Comment
  RSA467222  Gaultheria humifusa L. C. Wheeler 1934-8-15 3159 Siskiyou South side White Mt., Siskiyou Mts. 1646 Comment
  RSA238360  Gaultheria ovatifolia Frederick W. Oettinger 1968-8-5 414 Siskiyou Common along the northern shoreline of Charmaine Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1921 Comment
  RSA262517  Gaultheria ovatifolia J. M. Tucker, D. V. Hemphill, A. O. Tucker 1974-7-27 4301 Siskiyou South side of Monument Lake, Marble Mountain Wilderness Area. 1799 Comment
  RSA237860  Gayophytum diffusum subsp. parviflorum Frederick W. Oettinger 1969-8-14 1380 Siskiyou Campsite, English Lake. Salmon Mtns. High Lake Basins in the vicinity of English Peak. Marble Mtn Wilderness Area 1738 Comment
  HSC68980  Gayophytum heterozygum Maralyn A. Renner 1980-7-24 2062 Siskiyou Lily Pad Lake 1768 Comment
  JEPS24633  Gayophytum heterozygum Rimo Bacigalupi with Drs. Reino and Aloha Alava 1958-9-1 6788 Siskiyou a little above and e McBride Springs (s slopes of mt.); Mt. Shasta 1432 Comment
  UC20280  Gayophytum heterozygum F. W. Morse July 1886 Siskiyou Shasta Comment
  RSA211350  Gayophytum heterozygum William J. Ferlatte 1966-8-18 413 Siskiyou Wooded area 3 miles south of Big Flat, Trinity Alps. 1585 Comment
  HSC19496  Gayophytum humile J. O. Sawyer 1969-8-1 1648 Siskiyou SE facing slope above Duck Lake Creek 1951 Comment
  POM204499  Gayophytum humile Louis C. Wheeler 1934-6-22 2770 Siskiyou Siskiyou Mountains: Cottonwood Creek, Mt. Diablo Mer. 1006 Comment
  HSC91275  Gentiana calycosa Jennifer Whipple 1976-9-2 1765 Siskiyou Wagon Creek drainage near Wagon Creek 2195 Comment
  UC123657  Gentiana calycosa Milo S. Baker 1893-6 Siskiyou near bank McCloud R. Comment
  SEINET8408405  Gentiana calycosa Frank Callahan 2007-9-21 GC- 10 Siskiyou southeast slope of Boulder Peak. 2530 Comment
  HSC96860  Gentiana newberryi var. newberryi Gordon Leppig, J. Cromwell 1997-7-25 577 Siskiyou Klamath National Forest, Russian Wilderness, cirque W of Little Duck Lake 2200 Comment
  RSA238868  Gentiana plurisetosa Frederick W. Oettinger 1969-8-8 1302 Siskiyou Sundew Bog due E of English Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1829 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
  RSA151827  Gentianella amarella H. K. Sharsmith, Francia Chisaki 1959-8-19 4730 Siskiyou Just west of summit of Scott Mountain grade, just beyond Trinity County line. 1585 Comment
  UC1608326  Gentianella amarella subsp. acuta J. Kierstead 1990-8-9 90 130 B Siskiyou s side Mt. Eddy (Fawn Creek meadow, beyond end of FS Rd 40N42); Shasta-Trinity National Forests, Mt. Shasta Ranger District 1828 Comment
  HSC77110  Geranium richardsonii K. T. Stillman 1976-7-31 356 Siskiyou Marble Mtn. Wilderness Area: Ridge N of jump off, SE of Kings Castle Comment
  SBBG16394  Geum aleppicum D. Myrick 1961-6-20 277 Siskiyou rd to Bear Springs E of Mt Shasta City 1371 Comment
  RSA454259  Geum macrophyllum Louis C. Wheeler 1934-6-14 2712 Siskiyou Siskiyou Mts. 1280 Comment
  HSC19393  Gilia capitata J. O. Sawyer 1968-7-23 563 Siskiyou Along trail from Brown's Valley to Caribou Basin including areas around Snowslide Lake and Caribou Lake 1829 Comment
  JEPS44105  Gilia capitata subsp. capitata W. B. and V. G. Cooke 1965-7-12 35168 Siskiyou throughout rest area at turnout along US 97 n Whitney Creek (Mt. Shasta); , n of Whitney Creek 1371 Comment
  UC106824  Gilia capitata subsp. capitata Brandegee July 1887 Siskiyou Sissons Comment
  UC52694  Gilia clivorum F. W. Hooper Siskiyou Little Shasta Comment
  CAS-BOT-BC523880  Gilia modocensis Margaret M. Hanna 1958-6-21 s.n. Siskiyou 2.5 mi SE of Dorris Comment
  UC1100355  Glyceria borealis Herbert L. Mason 1948-7-18 13618 Siskiyou Grass Lake Comment
  HSC22313  Glyceria elata J. O. Sawyer 1969-7-18 1399 Siskiyou Above S Russian Creek 1905 Comment
  HSC22314  Glyceria elata J. O. Sawyer 1969-8-5 1774 Siskiyou W of Little Duck Lake 2073 Comment
  RSA239002  Glyceria striata Frederick W. Oettinger, Robert F. Thorne 1969-8-5 1202 Siskiyou Willow Spring on trail from English Trail to Abbot's Upper Cabin. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1677 Comment
  HSC19394  Goodyera oblongifolia J. O. Sawyer 1968-6-18 176 Siskiyou Above S Russian Creek on W side. 1463 Comment
  CAS-BOT-BC314631  Grindelia hirsutula Copeland 1903-8-14 3884 Siskiyou Sisson Comment
  RSA190702  Gypsophila paniculata T. C. Fuller 1967-6-29 16038 Siskiyou 20 acres of disturbed ground, W of Medo-Bel Dairy, College Ave., SW part of Weed. Comment
  SEINET8196611  Gypsophila paniculata var. paniculata D. W. Taylor 2002-7-27 18276 Siskiyou Weed (town), on far W end of town along the old highway to Yreka. 1036 Comment
  SEINET3890709  Habenaria dilatata var. leucostachys W. J. Ferlatte 1966-1 Siskiyou Comment
  CHSC154  Hackelia californica V. Holt 1932-6-23 Siskiyou McCloud River. Comment
  POM72797  Hackelia californica Edward Palmer 1892-7-13 2437 Siskiyou Mount Shasta and vicinity Comment
  HSC61913  Hackelia micrantha Ruby Van Deventer 1938-7-31 Siskiyou Poker Flat 1585 Comment
  JEPS67926  Hackelia micrantha Geo. D. Butler 1909-7-15 941 Siskiyou head of Taylor Creek (Highland Mine); , Highland Mine Comment
  HSC625  Hackelia micrantha William J. Ferlatte 1966-7-7 212 Siskiyou NW side of Caribou Mtn. 1829 Comment
  SBBG111489  Hastingsia alba J. M. Tucker, L. K. Mann 1963-7-7 3722 Siskiyou ca. 0.25 mi N of Paradise Lake, Marble Mtn Wilderness 1981 Comment
  CAS-BOT-BC504597  Hastingsia alba Doris K. Kildale 1928-7-4 5503 Siskiyou Summit of divide between Sawyers Bar & Etna Comment
  JEPS80489  Hastingsia alba Gilbert Muth 1966-7-17 387 Siskiyou ridge near Lookout (Marble Mountain Wilderness Area); Marble Mountain Wilderness Area 2042 Comment
  RSA237951  Hastingsia alba Frederick W. Oettinger, Robert F. Thorne 1969-8-8 1301 Siskiyou Sundew Bog near English Lake. Salmon Mtns; High Lake Basins in the vicinity of English Peak; Marble Mountain Wilderness Area. 1829 Comment
  RSA47599  Hastingsia alba Roxana S. Ferris, Laura Lorraine 11730 Siskiyou French Creek logging road west of Callahan. 1067 Comment
  CAS-BOT-BC302427  Hazardia whitneyi Louis C. Wheeler 1934-8-5 3045 Siskiyou Klamath National Forest. Condrey Mt. 2164 Comment
  HSC67895  Hazardia whitneyi var. discoidea J. P. Smith, J. O. Sawyer 1973-8-14 7322 Siskiyou West of Cliff Lake 2012 Comment
  RSA183695  Hazardia whitneyi var. discoidea Gilbert Muth 1965-8-4 310 Siskiyou Marble Mountains, Marble Valley Comment
  CAS-BOT-BC306352  Helenium L. E. Smith 1913-8-30 532 Siskiyou Mount Eddy Comment
  HSC4760  Helenium bigelovii William J. Ferlatte 1966-8-2 231 Siskiyou Big Flat, between campground and S fork of the Salmon River 1524 Comment
  HSC60810  Helenium bigelovii Ruby Van Deventer 1960-7-7 Siskiyou Bell Echo Camp in Youngs Valley Comment
  HSC68169  Helenium bigelovii J. P. Smith, Steve Selva 1970-7-18 4497 Siskiyou Hanging bog at Kangaroo Lake. 1890 Comment
  JEPS93925  Helenium bigelovii Vernon H. Oswald and Lowell Ahart 1998-8-3 9414 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
  SBBG8384  Helenium bigelovii H. and M. Dearing 1939-6-30 3756 Siskiyou rd from Callahan to Trinity Alps 1828 Comment
  SFV3966  Helenium bigelovii J. M. Tucker 1963-8-17 3738 Siskiyou Marble Mountain Wilderness Area, Lower Red Rock Valley. At edge of Red Rock Creek in moist soil in vicinity of cabin. 1494 Comment
  HSC44710  Helianthella californica J. O. Sawyer, E. Cope 1977-6-18 2920 Siskiyou Along Clear Creek Trail between Ten Mile Creek and Bear Pen Creek 610 Comment
  JEPS107102  Helianthella californica subsp. shastensis Barbara Ertter 1990-7-14 9324 Siskiyou Wagon Creek on e side of Mount Eddy, ca 4 air mi w of Mount Shasta City 1950 Comment
  CAS-BOT-BC305572  Helianthus bolanderi Carl B. Wolf 1927-8-26 1055 Siskiyou On the Klamath River, 3 mi. below Gottville Comment
  UC897635  Helianthus bolanderi A. A. Heller 1916-9-1 12640 Siskiyou near Yreka Comment
  CAS-BOT-BC313449  Hemizonella minima Wm. Bridge Cooke 1940-6-4 15006 Siskiyou Old Bolam Road, Mount Shasta 1219 Comment
  RSA17429  Hesperochiron californicus Elmer I. Applegate 1939-6-14 5738 Siskiyou 5 miles north of Edgewood, Shasta Valley. Comment
  HSC77759  Heterocodon rariflorum L. P. Janeway 1983-9-11 672 Siskiyou Poker Flat 1524 Comment
  POM67794  Heterocodon rariflorum Geo. D. Butler 1910-7-8 1662 Siskiyou Shackleford Creek. 1220 Comment
  JEPS2413  Heterotheca oregona var. rudis George D. Butler 1908-8-27 321 Siskiyou old mining dump, L. Eastlick's Rancho Oro Fino Comment
  RSA183742  Heterotheca villosa var. minor Gilbert Muth 1965-8-4 s.n. Siskiyou Near the Marble, Marble Valley; Marble Mts. Comment
  CAS-BOT-BC420729  Heuchera cylindrica Elmer I. Applegate 1935-6-8 9447 Siskiyou Lava cliffs at summit of Sconchin Butte, Lava Beds National Monument. Comment
  HSC39810  Heuchera merriamii J. O. Sawyer 1969-8-4 1873 Siskiyou Slope SW of South Sugar Lake 2195 Comment
  CAS-BOT-BC420736  Heuchera merriamii Lester Rowntree 1936-7-13 s.n. Siskiyou Granite Creek, Trinity Mts. Comment
  UC455375  Heuchera micrantha var. erubescens I. J. Condit 1911-7-4 Siskiyou Shasta Retreat Comment
  CAS-BOT-BC319692  Hieracium albiflorum P. A. Munz 1965-8-11 s.n. Siskiyou Upper meadows, Marble Valley Comment
  JEPS84187  Hieracium bolanderi L. R. Heckard with J. Hickman et al. 1986-7-17 6469 Siskiyou trail up peak s Lily Pad Lake (ca 5 mi n of town of Seiad Valley, e ridge); Kangaroo Peak 1940 Comment
  RSA233675  Hieracium gracile R. F. Thorne, Frederick W. Oettinger 1969-8-10 38975 Siskiyou S slope of Mt. Shasta, Panther Creek Meadows 2195 Comment
  CAS-BOT-BC318548  Hieracium greenei Alice Eastwood 1912-8-30 2035 a Siskiyou Mount Eddy Comment
  UC642532  Hieracium greenei W. Bridge Cooke 1939-8-25 13919 Siskiyou above MacBride Springs; Mount Shasta 1676 Comment
  CAS-BOT-BC316014  Hieracium nudicaule Alice Eastwood 1912-7-15 1083 Siskiyou McCloud Comment
  UC1190107  Hieracium nudicaule Ira L. Wiggins 1955-7-27 13522 Siskiyou Caribou Lake Salmon-Trinity Alps Primitive Area, Caribou Lake 2042 Comment
  CAS-BOT-BC316032  Hieracium scouleri Annie M. Alexander; Louise Kellogg 1949-7-20 5812 Siskiyou Paradise Lake, Marble Mountains 1920 Comment
  UCD133118  Hieracium scouleri J. M. Tucker; L. K. Mann 1963-8-18 3767 Siskiyou saddle between Marble Mountain and southwestern ridge of Black Mountain (Black Marble Mountain), Marble Mountain Wilderness Area. 2103 Comment
  CAS-BOT-BC320107  Hieracium triste Annie M. Alexander; Louise Kellogg 1949-7-22 5837 Siskiyou Trail to Kings Castle, Paradise Lake, Marble Mountains 1996 Comment
  HSC39818  Hieracium triste J. O. Sawyer 1969-8-2 1726 Siskiyou E facing slope SW of Little Duck Lake 2241 Comment
  HSC65497  Holodiscus discolor Rich White 1977-7-21 118 Siskiyou Slope below outlet of Raspberry Lake 1512 Comment
  RSA449785  Holodiscus discolor M. B. Dunkle 1945-8-7 9333 Siskiyou Marble Mountains, Klamath National Forest: King's Castle Comment
  CAS-BOT-BC152371  Holodiscus discolor var. discolor R. F. Thorne; Frederick W. Oettinger 1969-8-4 63384 Siskiyou Klamath National Forest, Salmon Mountains, Marble Mountain Wilderness Area, high lake basins in the vicinity of English Peak, near crest of ridge above English Lake, along trail to Hancock Lake 1767 Comment
  UCSB40246  Holodiscus discolor var. microphyllus McMinn, Howard 1931-6-27 Siskiyou Shasta City Comment
  HSC26577  Holodiscus microphyllus var. glabrescens J. P. Smith 1972-8-18 5750 Siskiyou Medicine Lake Glass Flow 2012 Comment
  CAS-BOT-BC388567  Holosteum umbellatum John Thomas Howell 1964-5-11 40699 Siskiyou Grenada 822 Comment
  UCD98179  Holosteum umbellatum subsp. umbellatum John Thomas Howell 1964-5-11 40699 Siskiyou Grenada. 822 Comment
  CHSC91223  Hordeum depressum Lowell Ahart; John Dittes 2005-6-9 12042 Siskiyou North margin of a meadow area along a small drainage, on the west side of a poor rock fence, about 200 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
  CDA6217  Hordeum marinum subsp. gussoneanum L. Ahart, J. Dittes 2005-6-9 12000 Siskiyou About 300 yards east of where cattle water in the Shasta River, about 3/5 mile (air) south of Highway 99/97 Cutoff, about 2 1/2 miles (air) east-southeast of Grenada. Comment
  CDA16163  Horkelia daucifolia G. F. Hrusa 1998-5-25 14471 Siskiyou Klamath Ranges; At +- Pioneer (1-2 mi N on Frontage Rd. of I-5), +-10 mi S of Weed, near Mt. Shasta city. 1066 Comment
  JEPS95829  Horkelia daucifolia Vernon H. Oswald and Lowell Ahart 1999-7-5 9807 Siskiyou Gazelle Mtn., on road 41N03, 0.2 mi SE of Gazelle-Callahan Hwy. 1508 Comment
  RSA166765  Horkelia daucifolia H. Dearing, M. Dearing 1939-6-3 s.n. Siskiyou Near Scotts Bar Comment
  RSA88251  Horkelia daucifolia Geo. D. Butler 1909-5-8 713 Siskiyou Shasta Valley Comment
  JEPS121710  Horkelia daucifolia var. daucifolia Julie Kierstead Nelson 2014-5-29 2011 -035 Siskiyou The Eddys, eastern Klamath Range, just off Parks Creek Road (42N17) in disturbed area near junction with 42N19, 7 miles west of the town of Weed. Comment
  JEPS47183  Horkelia fusca subsp. parviflora W. L. Jepson 1940-7-3 20117 Siskiyou about 5 mi se Bartle (Large meadow.); Big Bear Flat 1219 Comment
  POM195783  Horkelia fusca subsp. parviflora A. A. Heller 1927-8-1 14435 Siskiyou S side of Mt. Shasta, near Shasta City (Sisson). Comment
  UC481096  Horkelia fusca subsp. parviflora W. A. Setchell, C. C. Dobie 1902-7-13 Siskiyou Sisson Mount Shasta Comment
  CAS-BOT-BC514286  Horkelia fusca var. pseudocapitata A. A. Heller 1922-7-16 13718 Siskiyou Near Harris Spring E of Mt. Shasta Comment
  CAS-BOT-BC144006  Horkelia hendersonii Roger Raiche 1986-7-19 60435 Siskiyou Road to Alex Hole (Condrey Mt.), Dry Lake 2057 Comment
  CAS-BOT-BC201124  Hosackia crassifolia J. F. Emmel 1968-7-17 87 Siskiyou W slope of Spring Hill, near town of Mt. Shasta Comment
  UCD77837  Hosackia oblongifolia Robert E. Preston 2002-7-11 1897 Siskiyou Klamath National Forest, Trout Creek Meadow 1505 Comment
  JEPS25569  Hulsea nana Rimo Bacigalupi with George Bacigalupi Jr. 1959-7-1 7194 Siskiyou at head of ski lift above Mt. Shasta Ski Bowl Lodge (sw slopes of mountain); Mt. Shasta 2834 Comment
  SEINET480179  Hulsea nana D. Wilken 1972-8-6 Siskiyou Summit of Cinder Cone (Cinder Butte), about 3 miles west of Mammoth Crater Comment
  UC618665  Hulsea nana W. Bridge Cooke 1938-7-28 11363 Siskiyou North Ridges Comment
  UC1034644  Hymenoxys lemmonii Milo S. Baker 1955-6-26 13075 Siskiyou Hwy 99 4 mi s Gazelle 914 Comment
  UC127576  Hymenoxys lemmonii H. T. Mooney 1902-6-1 Siskiyou Yreka Comment
  HSC65494  Hypericum anagalloides R. White 1977-7-7 105 Siskiyou Devil's Punchbowl, NE shore 1433 Comment
  UC164087  Hypericum anagalloides Geo. D. Butler 1910-7-12 1765 Siskiyou Shackleford Creek 1219 Comment
  HSC36738  Hypericum perforatum Brent Whiteley 1975-6-17 1 Siskiyou 223 Comment
  JEPS25591  Ipomopsis aggregata Rimo Bacigalupi 1959-7-2 7223 Siskiyou near n base of Caribou Mtn. (just s of low divide separating Coffee Creek drainage from that of the Salmon River, headwaters of the South Fork of Salmon River, nr. Trinity Co. line); South Fork of the Salmon River, Big Flat Campground 1508 Comment
  UC648263  Ipomopsis aggregata John Thomas Howell 1939-8-2 14898 Siskiyou Spirit Lake Marble Mtns Comment
  JEPS799  Ipomopsis aggregata subsp. bridgesii W. L. Jepson 1940-6-27 20050 Siskiyou e slope Mt. Shasta 1676 Comment
  RSA78832  Ipomopsis aggregata subsp. formosissima P. A. Munz 1952-7-2 17910 Siskiyou West of Baldy Mountain L.O. 6 air miles west of Happy Camp, Siskiyou Mountains 1768 Comment
  HSC76768  Ipomopsis congesta K. T. Stillman 1976-8-7 377 Siskiyou Marble Mtn. Wilderness Area, Box Camp Mtn. 2195 Comment
  CDA3761  Isatis tinctoria T. C. Fuller 1958-6-18 2902 Siskiyou 3 miles west of Thompson Creek, 13 miles east of Happy Camp. 0 Comment
  SEINET11971706  Isatis tinctoria M. Ownbey, Meyer, F. G. 1940-1 2208 Siskiyou Soap Ridge road, SW of Yreka Comment
  UC400938  Isoetes bolanderi Geo. D. Butler 1908-8-3 256 A Siskiyou Log Lake, Shackleford Creek Log Lake Comment
  UC1094398  Isoetes howellii R. C. Bacigalupi with S. Galen Smith 1957-6-27 5971 Siskiyou 2 mi. s. Weed (along Hwy. 99) 1036 Comment
  POM302090  Isopyrum stipitatum L. E. Smith 1913-04 s.n. Siskiyou Yreka Comment
Read comments
Jul 5 2010
  SEINET11259939 Image available Iva axillaris G. D. Butler 1910-9-12 1874 Siskiyou Near Lower Klamath Lake Comment
  JEPS109907  Ivesia pickeringii Dean W. Taylor 1996-7-11 15781 Siskiyou Scott Mountains; West Fork Parks Creek (about 15 air miles west of Weed & 1 air mile west of Stewart Springs); Shasta-Trinity National Forest 1328 Comment
  CHSC114171  Juglans hindsii R. E. Brainerd 2010-8-11 1739 Siskiyou Boles Creek in Weed between E, Lake Street and S. Weed Boulevard. UTM Zone 10 551456E 45888885820N 1048 Comment
  JEPS117567  Juncus articulatus Lowell Ahart, John Dittes 2010-7-30 16962 Siskiyou Along the west edge of the Shasta River, about 30 yards northwest of the East Louie Road Bridge, Shasta Big Springs Ranch, 1.6 miles (air) southwest of Big Springs Lake, 4.6 miles (air) northwest of Dwinnel Dam, 5.7 miles (air) southeast of Grenada 716 Comment
  HSC99317  Juncus bolanderi C. B. Wolf 1927-8-26 1096 Siskiyou Klamath River 14 mi. above Happy Camp Comment
  HSC76933  Juncus drummondii K. T. Stillman 1976-8-8 397 Siskiyou Marble Mtn. Wilderness Area, trail from Jump off to Paradise Lake Comment
  RSA238900  Juncus drummondii Frederick W. Oettinger 1968-9-9 797 Siskiyou Along the shoreline of Tom s Upper Pond. Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2020 Comment
  HSC78913  Juncus effusus subsp. effusus Paul Wilson 1984-8-26 354 Siskiyou Juanita Lake Reservoir, edge of lake 1555 Comment
  HSC775  Juncus ensifolius William J. Ferlatte 1967-8-17 950 Siskiyou Yellow Rose Mine 1982 Comment
  POM111089  Juncus ensifolius Geo D. Butler 1910-6-21 1596 Siskiyou Yreka Creek. Comment
  RSA184628  Juncus ensifolius Clare B. Hardham 1965-8-20 13022 Siskiyou Marble Mountains. Cudahy Lakes. Comment
  SEINET6188314  Juncus ensifolius var. montanus M. J. Williams 1967-9-2 s.n. Siskiyou Cabin Meadow Comment
  HSC30700  Juncus hemiendytus var. hemiendytus Frederick W. Oettinger, R. F. Thorne 1969-8-7 1266 Siskiyou Marble Mtn. Wilderness Area, W of Upper English Lake 1768 Comment
  HSC30708  Juncus hemiendytus var. hemiendytus Frederick W. Oettinger 1969-8-15 1386 Siskiyou Marble Mtn. Wilderness Area, inlet of Upper English Lake 1768 Comment
  HSC58879  Juncus mertensianus Marvin Butler 1971-8-31 311 Siskiyou Near Bell Echo Camp, close to the town of Cave Junction 1433 Comment
  HSC96557  Juncus mertensianus Gordon Leppig, Tony LaBanca, L. Arguello 1997-6-27 484 Siskiyou Russian Wilderness, cirque W of Little Duck Lake 2200 Comment
  RSA215589  Juncus mertensianus Gilbert Muth 1969-8-10 1325 Siskiyou Ridge W of Boulder Peak. 2287 Comment
  UC70440  Juncus mertensianus Milo S. Baker 1899-8-1 Siskiyou e slope Mt. Shasta; Ash Creek 1828 Comment
  LA20046  Juncus mertensianus F. J. Hermann; 1939-8-8 13818 Siskiyou Mount Shasta, around the upper Horse Camp Springs 2514 Comment
  UCD141353  Juncus mexicanus Harold L. Lint; Mary E. Lint 1967-8-7 C 657 Siskiyou Panther Meadows on slopes of Mt. Shasta. Comment
  JEPS100301  Juncus nevadensis Dean W. Taylor 2001-8-28 17909 Siskiyou Mt. Shasta, Ash Creel Butte, Suprise Lake 2057 Comment
  JEPS66999  Juncus nevadensis Geo. D. Butler 1910-6-20 1594 Siskiyou Yreka Comment
  RSA238909  Juncus nevadensis Frederick W. Oettinger, Robert F. Thorne 1969-8-8 1288 Siskiyou At Sundew Bog on SE-facing gradual slope due W of the English Lake main camp. Salmon Mtns. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1829 Comment
  LA20060  Juncus nevadensis var. nevadensis F. J. Hermann; 1940-7-5 15284 Siskiyou Mt. Shasta, Wagon Camp meadow 1737 Comment
  JEPS66698  Juncus orthophyllus B. C. Goldsmith 1916-9-29 30 Siskiyou Medicine Lake Comment
  HSC69218  Juncus orthophyllus Maralyn A. Renner 1980-8-31 2625 Siskiyou Twin Valley. 1494 Comment
  HSC22234  Juncus parryi J. O. Sawyer 1968-9-9 663 Siskiyou Ridges S of Cyclone Gap 1738 Comment
  POM110775  Juncus trilocularis Geo D. Butler 1910-5-28 1422 Siskiyou Shasta Valley. Comment
  POM21816  Juniperus communis var. montana E. B. Copeland 1903-10-6 3782 Siskiyou Mt. Eddy 2287 Comment
  SFV5165  Juniperus grandis B. C. Templeton 1960-6-21 8534 Siskiyou Between the agricultural Experiment Station and the California state line._x000B_Grassy hillside. Comment
  CAS-BOT-BC81234  Juniperus occidentalis Elmer I. Applegate 1932-4-15 7060 Siskiyou Scott Valley, east side Comment
  UC1001948  Juniperus occidentalis Mrs. B. M. Berry 1954-10-10 6 Siskiyou near Callahan; Scott Mountains, Scott Valley 914 Comment
  UC1045241  Juniperus occidentalis unknown 1940-6-4 15007 Siskiyou near Bolam Road; Mount Shasta 1219 Comment
  SEINET10531160  Juniperus occidentalis Jeffrey Huber 1971-6-9 Huber 268 Siskiyou 3 mi N of Weed, on US Hwy 97; S facing 20.00 slope; roadside; in Pinus ponderosa, and P. jeffreyi, and Artemisia tridentata and Purshia. 1128 Comment
  RSA659518  Kalmia polifolia subsp. microphylla Gary D. Wallace 1990-7-1 2955 Siskiyou Trinity Mountains: SW of Shasta City, Cedar Basin Research Area. 1828 Comment
  HSC71257  Keckiella corymbosa J. P. Smith, Steve Selva 1970-6-15 3925 Siskiyou 10 mi. NW of Forks of Salmon Comment
  RSA239005  Keckiella corymbosa Frederick W. Oettinger 1966-7-19 31 Siskiyou North river bank of South Fork of Salmon River, 100 yards downstream from rock cut by river. Comment
  CAS-BOT-BC246175  Keckiella lemmonii Alice Eastwood 1917-9-2 6635 Siskiyou Shasta Springs Comment
  RSA238882  Kelloggia galioides Frederick W. Oettinger 1968-8-16 547 Siskiyou On Little Medicine Mountain due N of Hancock Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1982 Comment
  SBBG7335  Kelloggia galioides H. and M. Dearing 1938-6-27 2177 Siskiyou 5 mi E of McCloud, (Fowler Public Camp) Comment
  UC1132158  Koeleria macrantha H. S. Yates 1936-6-21 5818 Siskiyou 1 mi se Gazelle; Etna Quad. Comment
  CDA32434  Koeleria macrantha Vernon H. Oswald & Lowell Ahart 1998-6-11 9194 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-BC499659  Kopsiopsis strobilacea Marion Ownbey; Fred G. Meyer 1940-7-7 2220 Siskiyou Summit of Cayenne Ridge, Marble Mountain Comment
  UC91991  Lactuca canadensis Brandegee Jul 1889 Siskiyou Sissons Comment
  JEPS82115  Lactuca canadensis Rimo Bacigalupi with L. Constance and L. Heckard 1960-7-19 7444 Siskiyou about 8 mi e Happy Camp; Canyon of the Klamath River Comment
  CAS-BOT-BC341696  Lagophylla ramosissima Lewis S. Rose 1945-6-22 45156 Siskiyou Walker, Klamath River 533 Comment
  CAS-BOT-BC341705  Lagophylla ramosissima Margaret M. Hanna 1958-6-22 s.n. Siskiyou 18 miles east of Redding Comment
  RSA406668  Lathyrus Louis C. Wheeler 1934-6-8 2662 Siskiyou Beaver Creek. 1220 Comment
  HSC103308  Lathyrus jepsonii subsp. californicus Thomas W. Nelson, Jane Nelson 1983-7-29 7505 Siskiyou Along Forest Service Rd. 41N14, 1.7 mi. N of junction with Callahan-Cecilville County Rd. 1463 Comment
  UC163826  Lathyrus jepsonii var. californicus Geo. D. Butler 1910-7-6 1644 Siskiyou Shackleford Creek 914 Comment
  RSA126290  Lathyrus nevadensis subsp. lanceolatus I. L. Wiggins 1955-7-21 13427 Siskiyou Near Mt. View Ranch 7 mileNortheast of Cuesta Grade.s above Cecilville on S Fork of Salmon River 976 Comment
  SD88548  Lathyrus nevadensis var. nevadensis Darley F. Howe 1972-7-5 4874 Siskiyou 0.6 miles south of Oregon state line on the road to Happy Camp 1707 Comment
  RSA48214  Lathyrus pauciflorus subsp. brownii Roxana S. Ferris, Laura Lorraine, R. T. Ferris 1948-6-12 11809 Siskiyou At Mule Creek crossing of Scott Mountain Road. 1524 Comment
  CHSC72244  Lemna minor Vernon H. Oswald; Lowell Ahart 1998-9-16 9640 Siskiyou Hwy. 161 adjacent to a marsh at the Lower Klamath NWR 5.3 mi east of Hwy. 97. 1243 Comment
  UC1304159  Lepidium Edward J. O'Neill and Greg Bos Jul 1964 382 Siskiyou Upper Klamath Refuge, Unit 1 Klamath Basin National Wildlife Refuge Comment
  HSC30621  Lepidium campestre Frederick W. Oettinger 1969-8-5 1214 Siskiyou Young's Cabin, Salmon Mtns. 1463 Comment
  CAS-BOT-BC89828  Lepidium montanum A. A. Heller 1905-6-19 8068 Siskiyou Shasta Valley near Grenada Station. Comment
  HSC47621  Lepidium perfoliatum J. P. Smith 1977-5-15 9068 Siskiyou Yreka Comment
  UCD115871  Lepidium virginicum A. A. Heller 1916-8-24 12561 Siskiyou Near Sisson. 1074 Comment
  SEINET5342023  Lepidium virginicum var. medium G. Butler 1910-6-27 1612 Siskiyou Yreka Creek. 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
  CHSC91382  Leptosiphon bolanderi Lowell Ahart; John Dittes 2005-6-10 12087 Siskiyou Rocky hillside, north of the rock fence, about 200 yards southeast of the pump house along the Shasta River, about 1.9 miles (air) south of Highway 99/97 Cutoff, about 6 miles (air) east-southeast of Grenada. 776 Comment
  RSA238011  Leptosiphon ciliatus Frederick W. Oettinger 1969-8-1 1129 Siskiyou near English Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. Comment
  RSA601533  Leptosiphon filipes L. C. Wheeler 1935-5-4 3455 Siskiyou Siskiyou Mts. 854 Comment
  POM312618  Leptosiphon harknessii H. L. Mason 1948-7-18 13606 -a Siskiyou Grass Lake Comment
  POM75652  Leptosiphon harknessii Geo D. Butler 1910-7-7 1657 Siskiyou Shackleford Creek 1220 Comment
  RSA529966  Leptosiphon harknessii D. W. Taylor 1987-6-23 9050 Siskiyou Modoc Plateau: Mud Well 1394 Comment
  RSA75627  Lesquerella occidentalis Albert M. Vollmer, L. Beane 1951-5-31 24 Siskiyou Scott Mountain Comment
  CDA14217  Lessingia nemaclada G. F. Hrusa 1997-9-18 14103 Siskiyou Intersection of Hwy 3 & Callahan/Gazelle Rd., Comment
  OBI55415  Lessingia nemaclada David J. Keil, Kathleen Keil 1992-7-21 23555 Siskiyou Klamath NF SE of Callahan. Forest Rd 40N08, 5 mi W of Scott Mtn rd (hwy 3) Comment
  UC1223214  Lessingia ramulosa Joseph P. Tracy 1949-9-14 18552 Siskiyou 5 mi se Cecilville (at Summerville); South Fork of Salmon River 762 Comment
  LA86527  Lewisia cotyledon John M. Tucker; 1963-7-7 3713 Siskiyou Marble Mountain Wilderness Area, in vicinity of Paradise Lake, at base of Kings Castle on E side 1981 Comment
  POM117377  Lewisia cotyledon Geo. D. Butler 1910-6-5 1527 Siskiyou Log Lake Comment
  POM142945  Lewisia cotyledon Geo. D. Butler 1910-6-5 1527 Siskiyou Log Lake Comment
  RSA237458  Lewisia cotyledon Frederick W. Oettinger 1967-7-20 173 Siskiyou SSE of Diamond Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2073 Comment
  HSC74920  Lewisia cotyledon var. cotyledon J. P. Smith, Jennifer Whipple 1978-7-2 9965 Siskiyou Klamath National Forest, ridge trail E of Cook and Green Pass 1341 Comment
  CAS-BOT-BC444039  Lewisia cotyledon var. cotyledon M. B. Dunkle 1945-7-19 9227 Siskiyou Klamath Natl. Forest, Marble Mts. Sky-High basin Comment
  CAS-BOT-BC444042  Lewisia cotyledon var. cotyledon Lester Rowntree 1937-7-27 s.n. Siskiyou Caribou Lakes, Siskiyou Lakes [County?] Comment
  HSC44986  Lewisia leeana J. O. Sawyer 1978-6-21 3291 Siskiyou Marble Mtn. Wilderness area, ridge above Crapo Meadow 2012 Comment
  SD211682  Lewisia leeana Barbara Ertter 1990-7-16 9372 Siskiyou North side of ridge west of Parks Creek trailhead (Pacific Crest Trail crossing of Rt. 17); ca. 8.0 airmiles southwest of Weed. 2194 Comment
  UC922367  Lewisia nevadensis Annie M. Alexander and Louise Kellogg 1949-7-21 5827 Siskiyou Paradise Lake Marble Mountains 1920 Comment
  CAS-BOT-BC436533  Ligusticum apiifolium Alice Eastwood 1912-7-23 1322 Siskiyou Dunsmuir Comment
  RSA261387  Ligusticum californicum J. M. Tucker 1974-7-28 4313 Siskiyou Adjacent to camp at Haypress Meadows, Marble Mountain Wilderness Area. 1463 Comment
  RSA453851  Ligusticum californicum M. B. Dunkle 1945-07 9256 Siskiyou Klamath National Forest; Marble Mts. Comment
  RSA12590  Lilium kelleyanum Carl B. Wolf 1934-7-6 5996 Siskiyou 4.7 miles from Mt. Shasta City on Wagon Camp Road, SW slope of Mt. Shasta 1220 Comment
  CAS-BOT-BC509359  Lilium kelleyanum Wayne Roderick 1967-7-28 s.n. Siskiyou North of center of the town of Mt. Shasta. In large bog, between old Hwy. and R.R. 1066 Comment
  RSA518681  Lilium kelleyanum L. R. Heckard, P. Rubtzoff 1971-8-1 2686 Siskiyou Road from Stewarts Springs to The Eddys, 4 miles below the summit of Mt. Eddy ridge 1585 Comment
  JEPS84242  Lilium pardalinum subsp. wigginsii L. R. Heckard with S. D'Alcamo, J. Hickman, S. Winchester 1986-7-16 6337 Siskiyou 7 mi nne of Seiad Valley (w of Cook and Green Pass, 1/2 air mi from Red Butte) 1730 Comment
  RSA12671  Lilium washingtonianum Carl B. Wolf 1934-7-6 6024 Siskiyou Southwest slope of Mt. Shasta along trail to Horse Camp 1524 Comment
  SEINET8480955  Lilium washingtonianum W. Roderick 1967-7-28 s.n. Siskiyou SW side of Mount Shasta. 1372 Comment
  CAS-BOT-BC133028  Lilium washingtonianum subsp. purpurascens Wayne Roderick 1967-7-23 s.n. Siskiyou Between Lily Pad Lake and Cook & Grass Pass 1676 Comment
  CAS-BOT-BC133096  Lilium washingtonianum subsp. washingtonianum L. E. Smith 1913-1-1 s.n. Siskiyou Mt. Shasta Comment
  CHSC2297  Lilium washingtonianum subsp. washingtonianum V. Holt 1932-7-3 Siskiyou Near Mt. Shasta City. 1097 Comment
  UC1299614  Linanthus harknessii Freed W. Hoffman 1951-7-15 4036 Siskiyou w side Kelsey Creek (at Hammond Camp, w Siskiyou County); North Coast Ranges, Marble Mountains 1524 Comment
  CAS-BOT-BC240389  Linnaea borealis subsp. longiflora Wm. Bridge Cooke 1940-6-6 15043 Siskiyou Along the Castle Lake Road Comment
  RSA789789  Linum lewisii var. lewisii Rebecca Wenk 2005-7-15 205 Siskiyou Trinity Alps, above South Fork of the Salmon River, along the Yellow Rose Mine trail. Top of pass between Yellow Rose and Dorleska mines. 2134 Comment
  HSC4907  Listera caurina J. O. Sawyer 1968-7-10 484 Siskiyou Floodplain of Sugar Creek near Sugar Lake. 1799 Comment
  CAS-BOT-BC36545  Lithocarpus densiflorus var. echinoides Geo. B. Grant 1902-9-15 s.n. Siskiyou Shasta Springs Comment
  JEPS87856  Lithocarpus densiflorus var. echinoides Vernon H. Oswald and Lowell Ahart 1994-7-11 6408 Siskiyou 1.9 mi sw of the dam at Lake Siskiyou (Forest Road 26 (to Mt. Shasta) along this section of road); Forest Road 26 1036 Comment
  RSA44061  Lithocarpus densiflorus var. echinoides W. Bridge Cooke 1941-9-16 16321 Siskiyou Along the Castle Lake Road. Comment
  RSA468241  Lithophragma affine subsp. affine M. B. Dunkle 1944-7-1 9057 Siskiyou Smoky Creek. Comment
  CDA25416  Lithophragma glabrum T. C. Fuller 1958-4-16 Siskiyou Giebner property, 4 miles south of Yreka. 0 Comment
  POM92054  Lithophragma glabrum Geo. D. Butler 1910-3-18 1132 Siskiyou Yreka. Comment
  SEINET6032568  Lithophragma glabrum G. D. Butler 1910-3-18 1132 Siskiyou Block 5, Yreka Comment
  RSA184751  Lithophragma heterophyllum Gilbert Muth 1966-7-14 385 Siskiyou Slopes above Marble Valley. Marble Gap Trail. Marble Mtns. 1814 Comment
  CHSC31062  Lithospermum californicum M. S. Taylor 1980-7-8 3088 Siskiyou On n side of Castle Lake Rd (39N24), ca. 0.9 mi w of its jct with 40N26 at se side of Lake Siskiyou. 1036 Comment
  UC165961  Lomatium californicum Geo. D. Butler 1909-6-6 799 Siskiyou near Yreka Comment
  POM133074  Lomatium californicum Geo. D. Butler 1910-5-18 1359 Siskiyou Near Yreka. Comment
  UC1001182  Lomatium californicum Dorothy Parker 1953-5-12 528 Siskiyou Scott Valley, W side 883 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
  POM132828  Lomatium macrocarpum Geo. D. Butler 1910-5-18 1359 Siskiyou Yreka Comment
  UC1552567  Lomatium peckianum William J. Ferlatte and Linda M. Barker 1988-5-19 2113 Siskiyou 5 1/2 mi. n.w. Weed (s. end Weed Airport, adjacent to runway taxi-lane, 100 yds. s. of Airport buildings at s. end of Airport Runway) 893 Comment
  UC337583 Image available Lomatium plummerae unknown 1889-6-28 40 Siskiyou near Shasta Comment
  JEPS13671  Lonicera conjugialis W. L. Jepson 1937-7-30 18548 Siskiyou headwaters Indian Creek (Poker Flat, near Del Norte Co. boundary); Siskiyou Mountains 1584 Comment
  RSA184706  Lonicera conjugialis Gilbert Muth 1966-7-25 455 Siskiyou Marble, near top of ridge, Marble Mts. 2043 Comment
  CHSC51216  Lonicera hispidula L. P. Janeway 1984-6-21 854 Siskiyou At Ferry Point, W side of Klamath River. 289 Comment
  HSC65084  Lonicera hispidula var. vacillans J. P. Smith, Steve Selva 1970-6-14 3885 Siskiyou 1 mi. E of Steinacher Creek Rd. on Rd. to Forks of Salmon Comment
  CAS-BOT-BC240845  Lonicera interrupta Geo. D. Butler 1900-6-17 1571 Siskiyou Near Yreka Comment
  CAS-BOT-BC243921  Lonicera involucrata var. involucrata H. E. Brown 1897-7-15 473 Siskiyou South side of Mt. Shasta 3048 Comment
  JEPS25560  Lonicera tatarica Rimo Bacigalupi with George Bacigalupi Jr. 1959-6-30 7183 Siskiyou Mt. Shasta town (formerly Sisson) Comment
  UC454685  Lotus oblongifolius var. oblongifolius I. J. Condit 1911-7-3 Siskiyou Shasta Retreat 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
  UC144153  Lotus purshianus var. purshianus A. A. Heller 1905-6-8 8001 Siskiyou Yreka Comment
  UC60884  Lotus purshianus var. purshianus W. A. Setchell, C. C. Dobie 1902-7-21 Siskiyou Sisson Mount Shasta Comment
  CHSC1561  Luetkea pectinata V. Holt 1942-8-6 Siskiyou Caribou Lake, Trinity Alps. 2438 Comment
  UC1971262  Luetkea pectinata Louis C. Wheeler 1963-8-25 8274 Siskiyou PRESTON PEAK: Summit ridge. North side. Comment
  UC609335  Luetkea pectinata Eleanor Burks Hart 1938-8-20 937 Siskiyou n slope Red Cap 2225 Comment
  UC1190235  Lupinus albicaulis var. shastensis Ira L. Wiggins 1955-7-21 13437 Siskiyou Rush Creek Trail 2 mi above Mt. View Ranch; Rush Creek Trail, above Mt. View Ranch 1097 Comment
  UC157025  Lupinus albicaulis var. shastensis Geo. D. Butler 1908-8-2 370 Siskiyou edge Quartz Valley; Shackleford Creek, edge of Quartz Valley Comment
  POM11365  Lupinus albicaulis var. shastensis C. P. Smith 1922-8-8 3727 Siskiyou Sisson Comment
  SBBG13880  Lupinus albifrons H. and M. Dearing 1939-6-4 3544 Siskiyou Fort Jones Comment
  SEINET7042819 Image available Lupinus albifrons A. G. Vestal 1955-5-16 s.n. Siskiyou Ca 2.2 miles west of Weed on a secondary road east of Route 99. Weed quadrangle UTM Zone 10, 547751mE, 4586681mN. Comment
  CAS-BOT-BC195954  Lupinus albifrons var. albifrons L. E. Smith 1913-4-2 s.n. Siskiyou Between Redding and Hormet [Hornet] Comment
  CAS-BOT-BC196318  Lupinus albifrons var. flumineus Roxana S. Ferris; Laura Lorraine 1948-6-12 11725 Siskiyou French Creek Logging Road west of Callahan 1219 Comment
  CAS-BOT-BC196322  Lupinus albifrons var. flumineus D. B. Dunn; B. J. Cox 1971-6-9 17937 Siskiyou 9 mi. N. of Weed, on U.S. Hwy 97, at Whitney Creek 1249 Comment
  SEINET10484556  Lupinus albifrons var. flumineus Melvin L. Conrad, Douglas G. LeDoux; Patricia L. Kenney 1973-6-2 Conrad 6974 Siskiyou Western yellow pine, libocedrus, douglas fir forest, 6 miles sw of callahan 1524 Comment
  UC1303128  Lupinus argenteus A. A. Heller 1928-6-9 14607 Siskiyou near the creamery at Montague Montague Comment
  HSC26149  Lupinus breweri J. P. Smith, J. O. Sawyer, Maralyn O'Meara 1972-7-3 5690 Siskiyou E slope of Kangaroo Mtn. above Toehead Lake. 1890 Comment
  JEPS65034  Lupinus breweri W. L. Jepson 1907-7-6 2856 Siskiyou ridge above Cuddihy Valley Marble Mt. region Comment
  CAS-BOT-BC215105  Lupinus croceus Elizabeth McClintock; Wayne Roderick; Martha Roderick 1967-7-29 s.n. Siskiyou Road to Mumbo Basin, Trinity Mountains 1889 Comment
  CAS-BOT-BC215172  Lupinus croceus P. Kenney; Conrad; Dunn 1973-6-4 384 A Siskiyou 6.4 miles W of Callahan, along road from Cecilville to Callahan 1737 Comment
  SD125500  Lupinus klamathensis Melvin L. Conrad, D. B. Dunn, LeDoux 1973-6-2 6971 Siskiyou 1.5 miles west of the junction of Hwy 263 & Hwy 96 on Hwy 96, on south-facing slope of Klamath River Valley 730 Comment
  CHSC25080  Lupinus lapidicola D. Parker 1965-8-15 917 Siskiyou Near Syphon Lake, Salmon Mt. 2164 Comment
  UC1409330  Lupinus latifolius var. viridifolius Frederick W. Oettinger 1968-9-7 768 Siskiyou Upper meadow near Tobacco Lake (High Lake Basins in the vicinity of English Peak, Marble Mountain Wilderness Area); Salmon Mountains, Marble Mountain Wilderness Area 1889 Comment
  UC454939  Lupinus latifolius var. viridifolius I. J. Condit 1911-7-7 Siskiyou Dunsmuir Comment
  RSA32788  Lupinus laxiflorus A. A. Heller 1938-7-12 15260 Siskiyou East of Deer Mountain. 1402 Comment
  UC598750  Lupinus lepidus var. lobbii C. Hart Merriam 1900-1 130 Siskiyou Squaw Creek Mt. Shasta (Mt. Shasta); , Squaw Creek Comment
  UC82256  Lupinus lepidus var. medius Mrs. R. M. Austin Siskiyou Lava Beds near Pot Hole Springs; Lava Beds near Pot Hole Springs Comment
  UCD108577  Lupinus lepidus var. sellulus Freed W. Hoffman 1948-7-13 2652 Siskiyou north of Tennant on Butte Creek road. 1295 Comment
  UCD107955  Lupinus leucophyllus Freed W. Hoffman 1948-7-8 2417 Siskiyou Scott Bar Lodge, Scott River. Comment
  SEINET13761751  Lupinus luteolus R. R. Halse 2016-5-29 9715 Siskiyou Along Hilt Road, c 2.1 miles NW of Hilt on the OR/CA state line. 876 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
  CAS-BOT-BC8212  Lupinus perglaber Alice Eastwood 1921-7-24 10715 Siskiyou Castle Lake Comment
  HSC71358  Lupinus polyphyllus J. P. Smith, Steve Selva 1970-7-17 4441 Siskiyou 915 Comment
  RSA60881  Lupinus polyphyllus subsp. polyphyllus Frank W. Gould 1938-6-28 487 Siskiyou Near and north of Mt. Shasta (where Highway 97 crosses Butte Creek). 1418 Comment
  SD61047  Lupinus sellulus Darley F. Howe 1964-8-4 Siskiyou Near Medicine Lake, Modoc National Forest. 2012 Comment
  POM23553  Lupinus sellulus subsp. sellulus Geo. D. Butler 1908-8-2 368 Siskiyou Shackleford Creek Comment
  RSA50219  Lupinus sellulus subsp. sellulus E. K. Balls 1949-7-8 13926 Siskiyou 1 mile east of Etna (Callahan to Etna Road). 854 Comment
  HSC41643  Lupinus sellulus subsp. ursinus J. O. Sawyer, Ed Cope 1977-6-21 2982 Siskiyou Near Prescott Peak along headwaters of W Fork of Clear Creek 1677 Comment
  SEINET10490871  Lupinus sellulus var. sellulus David B. Dunn, Paul Gallian 1971-6-9 Dunn 17931 Siskiyou 5 mi s of macdoel, on u.s. Hwy 97; roadside in grassy valley; pinus ponderosa And pinus jeffreyi. 1158 Comment
  POM10805  Lupinus subvexus var. transmontanus E. B. Copeland 1903-6-2 3537 Siskiyou Klamathon Comment
  UC1483487  Lupinus tracyi Maralyn A. Renner 1980-6-26 1213 Siskiyou se edge Flint Valley; Klamath National Forest, Dillon Mtn. Quad., Flint Valley 1389 Comment
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Oct 13 2011
  SEINET4460534 Image available Lupinus violaceus A. A. Heller 1905-1 8037 Siskiyou Comment
  JEPS67159  Luzula comosa var. laxa Geo. D. Butler 1910-4-19 1197 Siskiyou Near Yreka Comment
  UC535929  Luzula comosa var. laxa Elmer I. Applegate 1895-5-28 753 a Siskiyou Sisson, Strawberry Valley Comment
  UC796535  Luzula comosa var. laxa Roxana S. Ferris and Laura Lorraine Jun 12 -16, 1948 11743 Siskiyou French Creek Logging Road west of Callahan 1066 Comment
  RSA238894  Luzula divaricata Frederick W. Oettinger 1968-8-8 447 Siskiyou Where the old Tanner s Peak trail meets the English Peak trail along the ridge leading up to the peak. Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2165 Comment
  HSC19119  Luzula parviflora J. O. Sawyer 1969-7-23 1455 Siskiyou Near N Horse Range Creek, along C.C.C. road. 1341 Comment
  CDA16167  Lycium barbarum G. F. Hrusa, T. D. Wilfred 1999-5-31 15065 Siskiyou Klamath Ranges; Along Klamath River on E side of I-5 at Klamath R. rest area +- 10 mi N of Yreka. 640 Comment
  RSA120868  Machaeranthera canescens var. shastensis H. K. Wagnon 1957-8-11 1701 Siskiyou East slope of Mt. Shasta in meadow ca. 1 mile west of Military Pass Road, along road to Brewer's Creek Comment
  CAS-BOT-BC342671  Madia citriodora Geo. D. Butler 1910-5-17 1364 Siskiyou Yreka Comment
  CAS-BOT-BC7469  Madia citriodora Edward Lee Greene 1876-1-1 s.n. Siskiyou Yreka Comment
  JEPS40340  Madia elegans Duncan Dunning 1922-6-5 Siskiyou nw of Fort Jones; Moffett Creek Comment
  HSC43138  Madia elegans Ken Stillman 1976-8-24 412 Siskiyou E and N slopes of Williams Point 366 Comment
  POM56180  Madia elegans subsp. elegans E. B. Copeland 1903-8-13 3820 Siskiyou Sisson. 1067 Comment
  CAS-BOT-BC343439  Madia gracilis Wm. Bridge Cooke 1938-8-19 11518 Siskiyou Lower Bear Spring, Mt. Shasta 1524 Comment
  CAS-BOT-BC343442  Madia gracilis Carl B. Wolf 1934-7-4 5939 Siskiyou Klamath River, Horse Creek - Dry Lake Lookout, Siskiyou Mts., 13 1/2 mi. from Horse Creek Bridge 1524 Comment
  HSC43861  Madia gracilis Maralyn O'Meara 1974-5-25 371 Siskiyou Along Rd. 8, 0.9 mi. from its junction with Hwy. 3 976 Comment
  HSC78396  Madia gracilis L. P. Janeway 1983-9-23 691 Siskiyou At Poker Flat 1524 Comment
  SBBG25831  Madia gracilis D. Myrick 1966-8-12 1537 Siskiyou Mountain Meadow Ranch, Big Flat, Coffee Crk 1524 Comment
  POM266582  Mahonia aquifolium Lester Rowntree 1932-8-2 s.n. Siskiyou Happy Camp Rd. Comment
  RSA605520  Mahonia aquifolium L. C. Wheeler 1959-7-19 7583 Siskiyou Salmon and Marble Mountains Region: Near White Bear Mine, Callahan Gulch off Black Bear Creek. Comment
  RSA452624  Mahonia nervosa L. C. Wheeler 1934-6-29 2822 Siskiyou Soda Creek. Sterling Mtn. Siskiyou Mtns. 1280 Comment
  RSA238989  Maianthemum racemosum Frederick W. Oettinger 1966-6-27 29 Siskiyou 400 yeards up road from Crawford Creek Guard Station, Salmon River District, Klamath National Forest, Cecilville Comment
  HSC68380  Maianthemum racemosum subsp. amplexicaule Maralyn A. Renner 1980-6-26 1208 Siskiyou Flint Valley 1390 Comment
  CAS-BOT-BC512764  Maianthemum racemosum subsp. amplexicaule Alice Eastwood 1912-7-15 1091 Siskiyou Mccloud Comment
  CAS-BOT-BC514181  Maianthemum stellatum Geo. D. Butler 1910-5-15 1343 Siskiyou Mcadam Creek Comment
  POM210969  Marah oregana L. C. Wheeler 1934-8-2 3026 Siskiyou Siskiyou Mountains: Jaynes Canyon. Mt. Diablo Mer. 1828 Comment
  UC164083  Marah oregana Geo. D. Butler 1909-5-8 731 Siskiyou Klamath River Comment
  HSC46292  Matricaria discoidea J. P. Smith, Steve Selva 1970-6-16 4012 Siskiyou 4 mi. from Hwy. 3 on Rd. 8 to Sugar Creek 1159 Comment
  UC865633  Medicago lupulina A. A. Heller 1916-6-20 12416 Siskiyou Metcalf's ranch Mt. Eddy (ne base of mt.) 1188 Comment
  CAS-BOT-BC269230  Melica aristata Wm. Bridge Cooke 1938-7-22 11335 Siskiyou Mount Shasta. Sisson Southern Trail Comment
  CAS-BOT-BC271213  Melica bulbosa Jason Swallen 1939-7-21 13735 Siskiyou Above Wagon Camp, Mount Shasta 1767 Comment
  POM198350  Melica californica Geo D. Butler 1909-5-26 824 Siskiyou Hill near Yreka. Comment
  HSC21981  Melica fugax J. O. Sawyer 1969-7-9 1271 Siskiyou S facing upper slope above S Sugar Lake. 2378 Comment
  RSA47985  Melica geyeri Roxana S. Ferris, Laura Lorraine 11796 Siskiyou Scott Mountain Road south of Callahan Comment
  CAS-BOT-BC264199  Melica subulata Alice Eastwood 1921-7-25 10796 Siskiyou Castle Lake Comment
  HSC63584  Mentha canadensis J. P. Smith, Steve Selva 1970-8-7 4542 Siskiyou Jct. I-5 and Stewart Creek Rd. Comment
  POM211269  Mentha spicata Louis C. Wheeler 1934-9-22 3301 Siskiyou Walker, Klamath River, Siskiyou Mountains. (Mt Diablo Mer) 518 Comment
  HSC15838  Mentzelia laevicaulis R. C. Wunner 1965-8-21 447 Siskiyou Lava Beds National Monument, Canby Cross area 1220 Comment
  HSC63288  Mentzelia laevicaulis M. A. Baker 1979-7-28 1063 Siskiyou 9 km S of Little Grider Creek, along Hwy. 96 Comment
  UCD77990  Micranthes aprica Robert E. Preston 2001-6-23 1602 Siskiyou Klamath National Forest, n-facing slope of Rainbow Mtn, T42N R1W nw 1/4 of nw 1/4 Section 23 2011 Comment
  CAS-BOT-BC429255  Micranthes oregana W. R. Dudley 1893-6-19 s.n. Siskiyou Sisson's Meadows Comment
  POM35777  Microseris nutans Geo D. Butler 1909-6-22 958 Siskiyou Goosenest Foothills 1524 Comment
  UC726472  Mimulus arvensis A. A. Heller 1919-6-20 13526 Siskiyou Metcalf's Comment
  HSC61897  Mimulus breweri Ruby Van Deventer 1959-7-9 Siskiyou Poker Flat 1585 Comment
  UC705715  Mimulus cardinalis Marion Ownbey, Fred G. Meyer 1940-7-6 2179 Siskiyou 3 mi down river from mouth Beaver Creek (n side of river); Klamath River Comment
  RSA183684  Mimulus guttatus Gilbert Muth 1965-8-3 157 Siskiyou Marble Valley, Marble Mts. Comment
  JEPS3799  Mimulus inodorus George D. Butler 1908-8-24 448 Siskiyou Eldridge's Corral Russian Creek 1219 Comment
  RSA609081  Mimulus kelloggii Louis C. Wheeler 1935-4-16 3422 Siskiyou Soap Creek, Siskiyou Mtns. 1037 Comment
  HSC27111  Mimulus layneae Carl W. Mize 1972-6-21 62 Siskiyou 0.25 mi. above road on WSW slope 305 Comment
  UC1034004  Mimulus microphyllus Francis W. Pennell Jul 16 1940-Jul 17 1940 26163 Siskiyou 5 mi sw yreka 914 Comment
  UC1190118  Mimulus moniliformis Ira L. Wiggins 1955-7-27 13550 Siskiyou Caribou Lake Salmon-Trinity Alps Primitive Area 2042 Comment
  HSC61893  Mimulus moschatus Ruby Van Deventer 1959-7-10 Siskiyou Poker Flat 1585 Comment
  HSC61894  Mimulus moschatus Ruby Van Deventer 1939-7-18 Siskiyou Poker Flat 1585 Comment
  POM43845  Mimulus moschatus var. moniliformis Geo. D. Butler 1910-7-8 1685 Siskiyou Shackleford Creek. 1220 Comment
  HSC36466  Mimulus nanus var. nanus J. O. Sawyer 1969-6-2 1009 Siskiyou Summit above Albert Lake 2256 Comment
  HSC74928  Mimulus nanus var. nanus J. P. Smith, Jennifer Whipple 1978-7-2 9977 Siskiyou Trail from Cook and Green Pass to Copper Butte. 1768 Comment
  JEPS3167  Mimulus nanus var. nanus George D. Butler 1908-6-29 60 Siskiyou Cherry Creek 1066 Comment
  UC445180  Mimulus pilosus Dr. E. B. Copeland 1903-8-18 3830 Siskiyou Mt. Eddy 2286 Comment
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Sep 16 2010
  HSC82378  Mimulus primuloides Thomas W. Nelson, Jane P. Nelson, J. P. Smith 1978-7-24 4531 Siskiyou Siskiyou-Trinity County line, head of Scott Mtn. Creek, S of Forest Service campground 1646 Comment
  JEPS11009  Mimulus primuloides F. W. Morse July, 1886 Siskiyou near Mt. Shasta Comment
  UC164371  Mimulus primuloides subsp. linearifolius Geo. D. Butler 1910-7-13 1770 Siskiyou Shackleford Creek 1219 Comment
  HSC36422  Mimulus primuloides var. primuloides J. O. Sawyer 1969-8-4 1822 Siskiyou Above Sugar Lake 2134 Comment
  CHSC209  Minuartia nuttallii subsp. gregaria N. Jaekel 1939-7-29 Siskiyou Mt. Eddy. Comment
  UC1483471  Minuartia nuttallii subsp. gregaria Maralyn A. Renner 1980-8-7 2427 Siskiyou ridge s Preston Peak; Klamath National Forest, Preston Peak Quad. 1950 Comment
  UC726553  Minuartia nuttallii subsp. gregaria A. A. Heller 1916-7-22 12492 Siskiyou Mt. Eddy; e side Comment
  UCD63244  Minuartia nuttallii subsp. gregaria 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
  RSA215627  Minuartia nuttallii subsp. gregaria Gilbert Muth 1969-8-10 1352 Siskiyou Red Mountain Ridge. 2317 Comment
  CAS-BOT-BC181109  Minuartia nuttallii var. gregaria L. B. Kildale 1930-6-1 9845 Siskiyou Mill Creek near Etna Mills Comment
  JEPS105031  Minuartia stolonifera Dean W. Taylor 1996-7-7 15820 Siskiyou Scott Mountains; Highway 3 about 3 miles North of Scott Mountain Pass; Klamath National Forest 1402 Comment
  UC673160  Mirabilis greenei Lincoln Constance and Reed C. Rollins 1942-5-14 2929 Siskiyou 4 mi n Yreka (Shasta River); Klamath-Siskiyou Region 762 Comment
  HSC96407  Mitella pentandra Gordon Leppig, J. Kalt 1996-7-9 356 Siskiyou Klamath National Forest, Russian Wilderness, cirque W of Little Duck Lake 2200 Comment
  SEINET5338727  Moehringia macrophylla G. Butler 1910-4-22 1217 Siskiyou Shackleford Creek in wet land Comment
  HSC27229  Mollugo verticillata J. P. Smith, J. O. Sawyer 1971-9-18 4791 Siskiyou Hwy. 3, between Callahan and Etna at the turnoff to the Proctor Ranch. Comment
  RSA0010760  Mollugo verticillata Louis C. Wheeler 1935-7-20 3676 Siskiyou Scott River 1.5 mi. W Fort Jones, Scott Valley. 823 Comment
  HSC65493  Monardella odoratissima R. White 1977-7-1 100 Siskiyou Top of Sawtooth Mtn. 1761 Comment
  HSC97824  Monardella odoratissima Juha Pykala, D. H. Norris 1987-7-7 2385 Siskiyou Camp Two Rd., 3 mi. from the jct. of Rd. 15 and Rd. 49 to Medicine Lake 1402 Comment
  IRVC16377  Monardella odoratissima Jerry A. Powell 1974-6-13 1158 Siskiyou Ash Creek Ranger Station. Sierra Mountains Comment
  SBBG15386  Monardella odoratissima D. Myrick 1961-6-21 296 Siskiyou Klamath River Rd just W of Hwy 99 762 Comment
  UC1096812  Monardella odoratissima subsp. glauca Milo S. Baker 1957-6-16 13118 Siskiyou trip to Scott Mt. (after turn off near Callahan); North Coast Ranges Comment
  UC1190245  Monardella odoratissima subsp. glauca Ira L. Wiggins 1955-7-29 13578 Siskiyou summit of ridge above Thompson Creek (trail to Caribou Lake); Trinity Alps 1999 Comment
  CAS-BOT-BC222033  Monardella odoratissima subsp. glauca A. A. Heller 1905-6-13 8018 Siskiyou In the gorge of the Sacramento above Shasta Springs Comment
  SEINET844328  Monardella odoratissima subsp. glauca Marion Ownbey, Fred G. Meyer 1940-1 2182 Siskiyou in sandy soil in open meadow well below timber line on east side of Mt. Shasta Comment
  CAS-BOT-BC220369  Monardella odoratissima subsp. pallida A. A. Heller 1905-6-13 8018 Siskiyou Shasta Springs Comment
  JEPS63390  Monardella odoratissima subsp. pallida Geo. D. Butler 1908-8-3 167 Siskiyou near Log Lake; Shackelford Creek 1524 Comment
  UC2035850  Monardella odoratissima subsp. pallida C. L. Hitchcock, J. S. Martin 1939-7-6 5213 Siskiyou Takilma-Happy Camp road 1676 Comment
  UC705539  Monardella odoratissima subsp. pallida Marion Ownbey, Fred G. Meyer 1940-7-5 2182 Siskiyou On east side of Mt. Shasta Comment
  RSA463108  Monardella odoratissima subsp. pallida S. Morgan 1987-7-28 s.n. Siskiyou McGinnis Springs, 5 miles NW of McCloud, Shasta- Trinity National Forest, S of Mt. Shasta. 1768 Comment
  CAS-BOT-BC220266  Monardella sheltonii Dr. E. B. Copeland 1903-6-7 3497 Siskiyou Hornbrook Comment
  RSA0022807  Monardella villosa Clare B. Hardham 1965-8-18 13069 Siskiyou Sulphur Springs Road near Happy Camp. Comment
  RSA238383  Monotropa hypopitys Frederick W. Oettinger 1969-8-19 1469 Siskiyou Between Charmain Lake and Abbotts Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1890 Comment
  HSC64305  Montia chamissoi J. P. Smith, Steve Selva 1970-6-16 4035 Siskiyou 4 mi. from Hwy. 3 on Rd. 8 to Sugar Creek. 1159 Comment
  CAS-BOT-BC262675  Muhlenbergia asperifolia Louis C. Wheeler 1934-10-21 3342 Siskiyou Shasta Valley 8 miles NE Gazelle 868 Comment
  UC618639  Muhlenbergia filiformis W. Bridge Cooke 1938-7-15 11211 Siskiyou above Bear Springs; Mount Shasta Comment
  UCD86715  Muhlenbergia filiformis R. Tofsrud 1950-7-1 s.n. Siskiyou E. side of Mt. Shasta. Comment
  CAS-BOT-BC275338  Muhlenbergia jonesii A. A. Heller 1922-7-16 13719 Siskiyou Near Pilgrim Creek forest nursery, near Mount Shasta Comment
  RSA239109  Muhlenbergia montana Frederick W. Oettinger 1969-8-16 1389 Siskiyou Southwest of Wire Grass Meadow, above English Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1677 Comment
  CHSC71288  Myosotis discolor Vernon H. Oswald; Lowell Ahart 1998-6-11 9211 Siskiyou Old State Hwy. 0.5 mi west of Bray, ca. 10 air mi east of Grass Lake located on Hwy. 97, ca. 23 air mi northeast of Weed. Along a roadside ditch on the edge of the meadow. 1414 Comment
  JEPS101568  Myosotis laxa Dean W. Taylor 1999-8-12 17321 Siskiyou headwaters of South Fork Hungry Creek, 5 miles Southwest from Hilt 1402 Comment
  CHSC9485  Nama lobbii J. F. Goodwin 1971-7-3 136 Siskiyou 6.0 mi. south of Mt. Shasta Ski Bowl area. 1737 Comment
  RSA68891  Nama lobbii A. E. Culbertson 1943-7-10 66 Siskiyou Castle Lake, 5434 , in a north facing cirque with an abrupt 1000 backwall, 14 miles SW of Mt Shasta on N side of a 6600 eastern spur of Trinity Mts. 2000 above Sacramento R within 10 air miles of its headwaters to the west. Comment
  SEINET515857  Nama lobbii Vernon H. Oswald 1998-9-8 9610 Siskiyou USFS 3 ca. 0.8 mi west of Julia Glover Flat, ca. 6 air mi west of Mosquito Lake and Whitehorse Flat Reservoir, ca. 2 air mi northwest of Indian Spring Mtn. 1128 Comment
  UC455937  Nama lobbii I. J. Condit 1911-7-22 Siskiyou on Shasta Trail Sisson (Sisson) Comment
  UC13723  Narthecium californicum W. C. Blasdale July 1899 1074 Siskiyou Siskiyou Mts. California, Siskiyou Mts. Comment
  UC1409296  Navarretia capillaris Frederick W. Oettinger and R. F. Thorne 1969-8-8 1306 Siskiyou drying meadow near English Lake (High Lake basins in vicinity of English Peak, Marble Mountain Wilderness Area, Salmon Mountains, western Siskiyou County); Salmon Mountains, Marble Mountain Wilderness, nr English Lak 1828 Comment
  JEPS70281  Navarretia divaricata W. L. Jepson 1940-6-30 20068 Siskiyou 6 mi e McCloud (Fowlers Camp, Forest Service Campground on the McCloud River); McCloud River 944 Comment
  UC163862  Navarretia divaricata Geo. D. Butler 1908-8-8 104 Siskiyou lake at head of West Fork of Woolly Creek West Fork of Woolly Creek Comment
  HSC30636  Navarretia divaricata Frederick W. Oettinger 1968-8-8 578 Siskiyou Marble Mtn. Wilderness Area, Tobacco Lake 1890 Comment
  SBBG25928  Navarretia intertexta D. Myrick 1966-8-8 1480 Siskiyou Mountain Meadow Ranch, Big Flat 1524 Comment
  UC1094396  Navarretia intertexta Rimo C. Bacigalupi with Galen Smith 1957-6-26 5934 Siskiyou ca 2 mi n Weed (along Highway 99) 1036 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
  HSC77069  Noccaea fendleri subsp. glauca K. T. Stillman 1976-6-26 113 Siskiyou Marble Mtn. Wilderness Area 2012 Comment
  HSC81566  Noccaea fendleri subsp. glauca Thomas W. Nelson, Jane P. Nelson 1980-7-17 6095 Siskiyou Along FS Rd. 17, 0.5 mi. N of summit at county line 2073 Comment
  NY790539  Nothochelone nemorosa H. L. Mason 1950-7-16 14062 Siskiyou Road from Happy Camp, California, to Waldo, Oregon Comment
  UC630382  Nothochelone nemorosa Annetta Carter 1939-8-21 1468 Siskiyou 12 mi sw of Etna (above se end of Taylor Lake, Salmon Mountains); Salmon Mountains, above se end of Taylor Lake 2164 Comment
  UC637029  Nothochelone nemorosa Edward Lee 1934-8-14 1107 Siskiyou near summit of Little Grayback (Siskiyou-Del Norte County line); Siskiyou-Del Norte County line 1865 Comment
  RSA331963  Nothochelone nemorosa Dave Kelly, Walter Wisura 1985-7-30 4074 Siskiyou Along forestry rd. 47N63 near Siskiyou Summit, N of Horse Creek on Hwy 96. Comment
  HSC68988  Nuphar polysepala Maralyn A. Renner 1980-7-24 2042 Siskiyou Lily Pad Lake 1768 Comment
  UC1222313  Oemleria cerasiformis Joseph P. Tracy 1951-6-16 19502 Siskiyou near State Line (at crossing of the Takilma-Happy Camp Road); Summit of the Siskiyous Comment
  HSC35067  Olsynium douglasii var. douglasii J. P. Smith 1974-5-25 7648 Siskiyou Along Rd. 8, 4.7 mi. W of its junction with Hwy. 3 1159 Comment
  JEPS66884  Opuntia fragilis Beatrice Wise Siskiyou Shasta Valley Comment
  CAS-BOT-BC458073  Orthilia secunda Edna Kelsey 1961-8-1 s.n. Siskiyou Cuddyhi Lake, Marble Mts. Comment
  UC1037439  Orthilia secunda Douglas Barbe 1955-7-28 305 Siskiyou Klamath Mountains about 0.5 mile west of Scott Mountain Forest Camp. 1645 Comment
  UCR101272  Orthilia secunda L. C. Wheeler 1959-7-25 7594 Siskiyou Marble Mountains, Camp Three, Rogers Creek 329 Comment
  CAS-BOT-BC458087  Orthilia secunda Doris K. Kildale 1928-8-18 6450 Siskiyou Near head of North Fork of Salmon River at Finley's Upper 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
  RSA0083196  Orthilia secunda William J. Ferlatte 1966-8-17 394 Siskiyou Caribou Basin; Trinity Alps. 1982 Comment
  RSA0083197  Orthilia secunda William J. Ferlatte 1967-8-21 1072 Siskiyou Sawtooth Ridge between Caribou Basin and Little South Fork Lake. 2287 Comment
  CAS-BOT-BC266620  Orthocarpus cuspidatus C. G. Pringle 1882-9-1 s.n. Siskiyou Mountains about the headwaters of the Sacramento River 2133 Comment
  UC1096815  Orthocarpus cuspidatus subsp. copelandii Barbe 1957-7-13 383 Siskiyou along entrance road to Big Flat Public Camp Big Flat Public Camp; Klamath National Forest, Big Flat Public Camp 1524 Comment
  UCD127764  Osmorhiza purpurea J. M. Tucker; L. K. Mann 1963-7-5 3700 Siskiyou On 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
  UCD111336  Oxalis trilliifolia J. M. Tucker 1974-7-28 4331 Siskiyou 1 mile south of Haypress Meadows, beside trail to Camp 4, Marble Mountain Wilderness Area. 1463 Comment
  CAS-BOT-BC316757  Packera cana Peter Hamilton Raven 1956-9-4 10390 Siskiyou pass just south of Mt. Eddy 2438 Comment
  CAS-BOT-BC316760  Packera cana A. Heller 1921-7-17 s.n. Siskiyou Occasional on the long gravelly slope of Mt. Eddy west of Wagon Creek.Hudsonian 2286 Comment
  HSC24638  Packera cana J. W. Thompson 1936-7-8 13150 Siskiyou Lava Beds National Monument, lava slopes Comment
  CAS-BOT-BC28832  Paeonia brownii Bruce Bartholomew 1994-5-27 6708 Siskiyou Whitehorse Mountains near the Modoc County line 1600 Comment
  CAS-BOT-BC422853  Papaver rhoeas Lillian Mott 1976-6-6 21 LM76 Siskiyou Klamath River at Ash Creek, ca. 4 1/2 miles west of 5 x 96 548 Comment
  CAS-BOT-BC422855  Papaver rhoeas W. R. Ernst 1960-6-14 741 Siskiyou About 1/4 mi. north of Gazelle on U. S. Highway 99. Comment
  HSC41129  Paspalum distichum J. P. Smith, Steve Selva 1970-7-17 4432 Siskiyou Along Klamath River Comment
  UC114060  Paxistima myrsinites Dr. E. B. Copeland 1903-9-6 3880 Siskiyou Mt. Eddy 1402 Comment
  RSA610187  Pectocarya pusilla L. C. Wheeler 1935-5-1 3453 Siskiyou Yreka Creek, Siskiyou Mts. 854 Comment
  HSC293  Pedicularis attollens William J. Ferlatte 1966-8-17 396 Siskiyou Caribou Basin 1982 Comment
  CAS-BOT-BC266649  Pedicularis bracteosa var. flavida Maxine Wilkes 1940-8-1 s.n. Siskiyou Deep Lake, Marble Mountains Comment
  HSC4827  Pedicularis contorta J. O. Sawyer 1968-7-23 586 Siskiyou Along trail from Brown's Valley to Caribou Basin including areas around Snowslide Lake and Caribou Lake. 1829 Comment
  UC618752  Pedicularis densiflora W. Bridge Cooke 1938-6-24 11098 Siskiyou Mount Shasta 1524 Comment
  HSC76756  Pedicularis racemosa K. T. Stillman 1976-7-21 271 Siskiyou Marble Mtn. Wilderness Area 1982 Comment
  UC138962  Pedicularis racemosa Dr. E. B. Copeland 1903-8-17 3904 Siskiyou Mount Eddy; Pacific Coast 1463 Comment
  RSA425341  Pedicularis racemosa M. B. Dunkle 1944-7-18 9149 Siskiyou Siskiyou National Forest. Comment
  CAS-BOT-BC67724  Pellaea brachyptera Wm. Bridge Cooke 1938-6-17 11036 Siskiyou Mount Shasta - along the Sison Southern Trail on a lava flow outcropping. 1371 Comment
  UCSB25541  Pellaea mucronata Keefe, Joseph 1967-7-11 Siskiyou Cook and Green Pass Road; 21.3 miles north of Seiad Valley 1310 Comment
  JEPS23803  Penstemon anguineus Rimo Bacigalupi with Mr. and Mrs. Van Deventer 1959-7-9 7290 Siskiyou Poker Flat 1536 Comment
  JEPS7207  Penstemon anguineus Geo. D. Butler 428 Siskiyou on trail beyond Whiskey Camp; Independence Creek, beyond Whiskey Camp Comment
  HSC63266  Penstemon anguineus M. A. Baker 1979-7-31 1088 Siskiyou Marble Mtn. Wilderness, Tickner Hole 2080 Comment
  POM42970  Penstemon anguineus Geo. D. Butler 1910-7-12 1761 Siskiyou Shackleford Creek. 1220 Comment
  SEINET5326467 Image available Penstemon anguineus G. Butler 1910-7-12 1761 Siskiyou Shackleford Creek 1219 Comment
  RSA425613  Penstemon azureus Louis C. Wheeler 1934-7-3 2850 Siskiyou Head of Soda Crk, Sterling Mt, Siskiyou Mtns. 1768 Comment
  CHSC1855  Penstemon cinereus V. Holt 1932-6-21 Siskiyou Mt. Shasta flats. 1158 Comment
  RSA309612  Penstemon cinereus Walter Wisura 1983-9-16 3939 Siskiyou 8.3 miles W of Macdoel along Hwy 97 Comment
  CAS-BOT-BC265364  Penstemon davidsonii var. davidsonii H. M. Hall 1902-9-7 s.n. Siskiyou Horse Camp, Mount Shasta Comment
  LA209521  Penstemon davidsonii var. davidsonii W. B. C.; 1939-7-13 13639 Siskiyou Mount Shasta, Gray Butte saddle 2285 Comment
  UC1037430  Penstemon davidsonii var. davidsonii Douglas Barbe 1955-8-1 324 Siskiyou Mount Bolivar, summmit Scott Mountains 2468 Comment
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Mar 6 2013
  UC139723  Penstemon davidsonii var. davidsonii E. B. Copeland 1903-8-16 3871 Siskiyou Mount Shasta 3048 Comment
  UC27476  Penstemon davidsonii var. davidsonii Milo S. Baker 1893-8-9 Siskiyou Medicine Lake Comment
  CDA17144  Penstemon deustus G. F. Hrusa 2001-6-6 15858 Siskiyou Siskiyou Mountains; Along Hwy 96 at Scott R. Bridge. 426 Comment
  UC598541  Penstemon deustus John Bright 1936-5-5 13309 Siskiyou on rocky slopes near Hornbrook Comment
  RSA401793A  Penstemon deustus James Payne Smith 1976-5-4 8663 Siskiyou Eastern boundary of Klamath National Forest along State Route 96; rocks above Klamath River. 610 Comment
  JEPS95925  Penstemon deustus var. suffrutescens Vernon H. Oswald and L. Ahart 1999-7-5 9815 Siskiyou Hwy. 3 0.5 mi southeast of Gazelle-Callahan Hwy.: T40N R8W Sect. 23, 3250 ft, mixed coniferous forest 990 Comment
  NY609840  Penstemon deustus var. suffrutescens A. A. Heller 1905-6-8 7998 Siskiyou Yreka Comment
  SD104854  Penstemon filiformis Darley F. Howe 1979-6-25 5197 Siskiyou Somes Bar Comment
  CHSC30239  Penstemon gracilentus M. S. Taylor; J. Prouty, E. Heinitz 1980-8-18 3262 Siskiyou Little Mt. Hoffman, n side. 2225 Comment
  UC1584307  Penstemon gracilentus Julie Kierstead 1989-6-28 89 -53 Siskiyou vicinity spatter cones in T43N R3E S33 SE1/4 (McCloud R.D., Medicine Lake Highlands, Shasta-Trinity N.F.); Shasta-Trinity National Forests, Medicine Lake Highlands 1798 Comment
  UC313695  Penstemon gracilentus David D. Keck 1927-8-17 306 Siskiyou Horse Camp s side of Mt. Shasta, Horse Camp (s side of Mt. Shasta, Timberline) 2468 Comment
  RSA309615  Penstemon gracilentus Walter Wisura 1983-9-16 3936 Siskiyou 4.7 mi W of western boundary of Lava Beds Nat'l Mon., along road to Tennant. Comment
  UC1538955  Penstemon heterodoxus var. shastensis W. J. Ferlatte 1987-7-7 2110 Siskiyou U.S. F.S. Rd 31 ca 0.5 mi w Ski Park Hwy; Shasta Quad. 1584 Comment
  UC618805  Penstemon heterodoxus var. shastensis W. Bridge Cooke 1938-7-15 11212 Siskiyou above Bear Springs (Mount Shasta); , above Bear Springs 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
  CHSC9505  Penstemon heterophyllus J. F. Goodwin 1971-7-3 142 Siskiyou South side of road with low shrubbery, 9.5 mi. south of Mt. Shasta Ski Bowl area. 1432 Comment
  SBBG7166  Penstemon laetus H. and M. Dearing 1939-6-3 3537 Siskiyou near Scott Bar, Scott River Comment
  NY604503  Penstemon laetus var. leptosepalus K. A. Vincent 1987-8-12 4509 Siskiyou Sierra Nevada, Big Bear Flat; along north side of CA 89 just east of Dead Horse Summit, ca. 5.4 miles southeast of Bartle. 1249.7 Comment
  NY604560  Penstemon laetus var. sagittatus A. A. Heller 1905-6-13 8019 Siskiyou Shasta Springs. Comment
  NY604556  Penstemon laetus var. sagittatus K. A. Vincent 1987-8-12 4511 Siskiyou Cascade Range, Mount Shasta; on lava flow between Mount Shasta and Whaleback, along Andesite - Military Pass Road, ca. 1 mile southeast of jct. US 97, ca. 14.4 miles northeast of jct. US 97 and I-5 Bus. Loop in Weed. 1432.6 Comment
  NY604568  Penstemon laetus var. sagittatus N. H. Holmgren 1980-7-1 9448 Siskiyou U.S. Highway 97, 8.7 km (5.4 miles) northeast of Weed. 1100 Comment
  RSA104153  Penstemon laetus var. sagittatus Elmer I. Applegate 1936-7-3 10495 Siskiyou Easterly base of Hippo Butte, Lava Beds Nat'l Monument. Comment
  UC1874902  Penstemon laetus var. sagittatus Karl A. Vincent 1987-6-28 4440 Siskiyou Cascade Range, Mt Shasta, along E side of US 97 ca 5.1 mi NE of jct. I-5 Bus. 1158 Comment
  CHSC4530  Penstemon newberryi J. E. Bowlin 1967-7-16 39 Siskiyou On roadside, ca. 8.5 mi w of Mount Shasta Ski Bowl. 1554 Comment
  HSC19161  Penstemon newberryi subsp. berryi J. O. Sawyer 1969-6-13 947 Siskiyou Slope above Little Duck Lake 2134 Comment
  POM299514  Penstemon newberryi subsp. berryi Marion Ownbey, Fred G. Meyer 1940-7-6 2204 Siskiyou West side of Cayenne Ridge at summit, Marble Mountain. Comment
  HSC19132  Penstemon parvulus J. O. Sawyer 1969-8-1 1684 Siskiyou SE facing slope above Duck Lake Creek 1951 Comment
  HSC76760  Penstemon parvulus K. T. Stillman 1976-7-14 237 Siskiyou Marble Mtn. Wilderness Area Comment
  JEPS11201  Penstemon parvulus Geo. D. Butler 1908-8-3 433 Siskiyou Log Lake Shackelford Creek, Log Lake 1524 Comment
  NY629979  Penstemon parvulus D. D. Keck 1938-8-6 4820 Siskiyou At Del Norte Co. line, Poker Flat, summit of Siskiyou Mountains, 4 miles south of Oregon line, on road from Waldo to Happy Camp. 1554.5 Comment
  UC1483407  Penstemon parvulus Maralyn A. Renner 1980-8-7 2425 Siskiyou ridge s Preston Peak; Klamath National Forest, Preston Peak Quad. 1950 Comment
  SEINET10865390  Penstemon parvulus F. Marion Ownbey, Ruth P. Ownbey 1938-7-19 Ownbey 1749 Siskiyou Rocky knoll, 2 1/2 mi nw of dry lake lookout, summit of the siskiyou mtns. Comment
  HSC65006  Penstemon procerus var. brachyanthus D. L. Goforth 1979-7-19 256 Siskiyou Trinity Alps Wilderness Area, Caribou Lakes Basin, 0.3 mi. NW of upper lake 2134 Comment
  JEPS74426  Penstemon procerus var. brachyanthus W. J. Ferlatte 1966-7-7 195 Siskiyou Trinity Alps, Caribou Basin Caribou Basin; Trinity Alps, Caribou Basin 1981 Comment
  UC163815  Penstemon roezlii Geo. D. Butler 1901-6-23 1601 Siskiyou Yreka Creek Comment
  NY650761  Penstemon rupicola C. L. Hitchcock 1939-7-6 5231 Siskiyou Peak above and north of Divide of Siskiyou Mountains, California on Takilma-Happy Camp road. 1828.8 Comment
  RSA463106  Penstemon shastensis S. Morgan 1987-7-28 s.n. Siskiyou McGinnis Springs, 5 miles NW of McCloud, Shasta- Trinity National Forest, S of Mt. Shasta. 1768 Comment
  POM43271  Penstemon shastensis Geo. D. Butler 1910-6-19 1591 Siskiyou Goosenest foothills. 1524 Comment
  NY660847  Penstemon speciosus H. M. Hall 06 1903 4071 Siskiyou Mount Shasta, near Sisson 1066.8 Comment
  UC1096820  Penstemon speciosus Milo S. Baker 1957-6-15 13111 Siskiyou just s Weed; just s of Weed Comment
  RSA105469  Penstemon speciosus G. D. Barbe, Milo S. Baker 1955-7-1 78 Siskiyou 7 miles S of Etna on the Westside Rd. to Callahan. 869 Comment
  UC1312871 Image available Perideridia leptocarpa L. Constance, T. I. Chuang and Fei-Mei Chuang, M. Sousa 1966-6-15 3768 Siskiyou 5 mi nw Cecilville (slope above Trinity River); Trinity River; NW of Cecilville, Siskiyou Co. 762 Comment
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Mar 2 2015
  RSA459114  Perideridia oregana L. C. Wheeler 1935-6-29 3622 Siskiyou Yreka 808 Comment
  JEPS121603  Perideridia parishii Jennifer Buck, Deborah Stout 2011-8-24 Siskiyou Middle Fork Sacramento River headwaters, east slope of the Eddys, near Toad Lake. Gently sloping open meadow within lodgepole pine forest on ultramafic soil. W aspect. Mount Eddy quadrangle. TL01A Comment
  CAS-BOT-BC423354  Peritoma platycarpa A. A. Heller 1905-6-9 8010 Siskiyou Montague Comment
  NY83946  Phacelia cookei L. R. Heckard 1969-6-24 2294 Siskiyou At junction of the old Military Pass Road and U.S. Highway 97, north of Mt. Shasta 1341.1 Comment
  UC923089  Phacelia corymbosa Freed W. Hoffman 1950-7-11 3314 Siskiyou Elk Valley Rd 5.7 mi from Klamath Highway (w Siskiyou Co.); North Coast Ranges Comment
  UC1518754  Phacelia dalesiana F. W. Oettinger 1969-7-25 Siskiyou ca 15 air mi sw Weed (near Kangaroo Lake Campground); Shasta-Trinity National Forest, Scott Mts. Comment
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Jul 5 2017
  POM265888  Phacelia egena Lincoln Constance, R. C. Rollins 1942-5-14 2928 Siskiyou Shasta River, 4 miles north of Yreka. 762 Comment
  UC735040  Phacelia greenei Lincoln Constance and Herbert L. Mason 1947-5-17 3200 Siskiyou summit of nw spur Scott Mountain 1828 Comment
  CDA17143  Phacelia heterophylla subsp. virgata G. F. Hrusa 2001-6-6 15857 Siskiyou Siskiyou Mountains; Along Hwy 96 at Scott R. Bridge. 426 Comment
  JEPS2086  Phacelia heterophylla subsp. virgata Geo. D. Butler 1928-6-28 409 Siskiyou near Yreka; Butler's Ranch Comment
  RSA120909  Phacelia heterophylla subsp. virgata Milo S. Baker 1957-6-15 13117 Siskiyou Just south of Weed. Comment
  RSA582232  Phacelia heterophylla var. virgata Louis C. Wheeler 1935-6-9 3567 .5 Siskiyou Yreka Creek. Siskiyou Mtns. (Mt Diablo Mer.) 1220 Comment
  SBBG65340  Phacelia imbricata Mrs. H. P. Bracelin 1931-6-20 430 Siskiyou ca. 2 mi NW of Mt Shasta City 1051 Comment
  JEPS2132  Phacelia linearis Geo. D. Butler 1909-5-4 742 Siskiyou near (n of) Yreka; Klamath River Comment
  JEPS57393  Phacelia linearis L. R. Heckard with T. I. Chuang 1968-7-2 1967 Siskiyou along U.S. Hwy 97 6 mi n Weed 1219 Comment
  UCD120557  Phacelia linearis Wm. E. Moon 1958-5-29 s.n. Siskiyou State Hwy. 97, 12 miles northeast of Weed. 1219 Comment
  CDA40406  Phacelia linearis R. Richards & D. Janssen 1978-5-25 s.n. Siskiyou Northeast of Weed at Yellow Butte. 0 Comment
  HSC41644  Phacelia mutabilis William J. Ferlatte 1966-8-4 306 Siskiyou Dorleska summit 2134 Comment
  UC1426026  Phacelia mutabilis Frederick W. Oettinger 1968-8-11 482 Siskiyou dry stream banks just below Tom Taylor Cabin Spring; Salmon Mountains, Marble Mountain Wilderness Area, High Lake 2042 Comment
  UCD120645  Phacelia mutabilis J. M. Tucker 1950-7-24 1954 Siskiyou Beside Cold Creek at the Military Road crossing, about 6 miles northwest of Pilgrim Creek Experience Station, east side of Mt. Shasta. Comment
  HSC78199  Phacelia mutabilis L. P. Janeway 1983-8-28 644 Siskiyou At Poker Flat, dry NE edge of lower portion of meadow. 1524 Comment
  JEPS1091  Phacelia procera Ruby Van Deventer 1938-7-31 203 Siskiyou Poker Flat w. Siskiyou Mts. 1584 Comment
  UC166478  Phalaris canariensis Geo. D. Butler 1908-7-25 488 Siskiyou Yreka Comment
  CAS-BOT-BC77417  Philadelphus lewisii Carl B. Wolf 1927-8-26 1044 Siskiyou On the Klamath River, 4 mi. north of Gottville Comment
  CAS-BOT-BC77422  Philadelphus lewisii Doris K. Kildale 1928-7-3 5429 Siskiyou Forks of Salmon, Salmon River Comment
  CAS-BOT-BC77409  Philadelphus lewisii C. H. M. 1907-9-26 s.n. Siskiyou Klamath Canyon near Shovel Creek Comment
  RSA0097441  Philadelphus lewisii John H. Thomas 1949-6-16 s.n. 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
  HSC96868  Phleum alpinum Gordon Leppig 1998-8-13 999 Siskiyou Klamath National Forest, Russian Wilderness, Little Duck Lake Fen 2200 Comment
  RSA21890  Phleum alpinum J. T. Howell 1939-8-9 15224 Siskiyou Marble Mts, Ridge S of Marble Valley Comment
  UC106962  Phlox austromontana Harley P. Chandler Jun 1901 1591 Siskiyou near Marble Mountain; North Coast Ranges 2133 Comment
  UC23915  Phlox austromontana Harley P. Chandler Jun 1901 1591 Siskiyou Marble Mountain North Coast Ranges 2133 Comment
  HSC69275  Phlox diffusa Maralyn A. Renner 1980-9-1 2681 Siskiyou Bear Mtn. 1936 Comment
  RSA83077  Phlox diffusa subsp. diffusa Verne Grant, Alva Grant 1947-6-5 7977 Siskiyou Modoc Lava Beds Comment
  HSC45154  Phlox speciosa subsp. nitida J. O. Sawyer, E. Cope 1977-6-19 2952 Siskiyou Clear Creek Trail between Preston Creek and Trout Camp 915 Comment
  HSC43832  Phlox speciosa subsp. occidentalis Maralyn O'Meara 1974-5-27 486 Siskiyou Along FS Rd. 47N03 1280 Comment
  JEPS26563  Phlox speciosa subsp. occidentalis Lauramay T. Dempster 1961-7-3 1872 Siskiyou se of Callahan (w face of Scott Mountain); Scott Mountain Comment
  RSA52436  Phoenicaulis cheiranthoides Dorothy Parker 1948-5-11 s.n. Siskiyou East fork of Scott River, Plowman s Valley. 1159 Comment
  CAS-BOT-BC56499  Phyllodoce empetriformis Mrs. H. P. Bracelin 1931-6-21 458 Siskiyou North side of Mt. Eddy above Dobkin's Lake 2133 Comment
  JEPS66653  Phyllodoce empetriformis Joseph P. Tracy 1935-8-1 14406 Siskiyou at extreme head of West Fork Knownothing Creek (on ridge between Salmon and New Rivers, Rock Lake); Rock Lake, West Fork Knownothing Creek 1889 Comment
  JEPS82486  Phyllodoce empetriformis Gilbert Muth 1965-8-8 194 Siskiyou Black Mountain, Marble Mountain Wilderness Area Black Mountain; , Marble Mountain Wilderness Area 2011 Comment
  LA41255  Phyllodoce empetriformis Wm. Bridge Cooke; 1938-8-18 11496 Siskiyou Mount Shasta, around the springs above Horse Camp along the summit trail 2499 Comment
  SD76174  Phyllodoce empetriformis Helen V. Witham 1969-10-9 610 Siskiyou Panther Meadow, Mt. Shasta. 2400 Comment
  SEINET3108276  Phyllodoce empetriformis Steve Selva, Roger Jensen 1974-8-23 41 Siskiyou Collected in the environs of Devil's Punchbowl. Comment
  UC1190116  Phyllodoce empetriformis Ira L. Wiggins 1955-7-27 13543 Siskiyou Salmon-Trinity Alps Primitive Area, Caribou Lake Caribou Lake; Salmon-Trinity Alps Primitive Area, Caribou Lake 2042 Comment
  CAS-BOT-BC60759  Physaria occidentalis Geo. D. Butler 1909-4-24 588 Siskiyou Cherry Creek. Comment
  CAS-BOT-BC60760  Physaria occidentalis Geo. D. Butler 1910-5-15 1342 Siskiyou Greenhorn Mountain. 1066 Comment
  CAS-BOT-BC60761  Physaria occidentalis Gilbert Muth 1965-8-12 s.n. Siskiyou Behind Black Mountain. Comment
  HSC4818  Physocarpus capitatus J. O. Sawyer 1968-9-10 760 Siskiyou Young's Meadow on Clear Creek 1402 Comment
  UC1736325  Physocarpus capitatus Dean W. Taylor 1972-7-3 1602 Siskiyou Cook and Green Pass 1371 Comment
  HSC4815  Picea breweriana J. O. Sawyer 1968-7-2 350 Siskiyou Upper drainage of Joe Creek 1677 Comment
  JEPS48372  Picea breweriana W. L. Jepson 1907-7-6 2857 Siskiyou ridge w Cudahay Valley; Marble Mt. Comment
  UC705881  Picea breweriana Marion Ownbey, Fred G. Meyer 1940-7-6 2205 Siskiyou summit of Cayenne Ridge on w side Marble Mountain, Cayenne Ridge Comment
  UC813170  Picea breweriana John Thomas Howell Siskiyou Caribou Basin Comment
  CAS-BOT-BC73396  Pinus albicaulis John Thomas Howell 1937-7-24 13436 Siskiyou Caribou Basin, Salmon-Trinity Alps 2286 Comment
  HSC101730  Pinus albicaulis Michael Kauffmann 2013-5-27 11 Siskiyou West ridgeline above Wright Lake 2222 Comment
  HSC103157  Pinus albicaulis Michael Kauffmann 2013-8-8 21 Siskiyou The Whaleback 2541 Comment
  JEPS110479  Pinus albicaulis Robert E. Preston 2001-6-23 1519 a Siskiyou Klamath National Forest, E peak of Rainbow Mountain. 2118 Comment
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Jun 3 2018
  UC1037414  Pinus albicaulis Douglas Barbe 1955-8-5 360 Siskiyou ridge nw of the summit Caribou Mountain (in the Salmon Mountains); Klamath Mountains 2407 Comment
  CAS-BOT-BC78323  Pinus attenuata A. A. Heller 1921-7-23 13587 Siskiyou near McCloud at the foot of Mt. Shasta 1066 Comment
  UC401410  Pinus attenuata Geo. D. Butler 1908-8-26 518 Siskiyou head of Russian Creek Russian Creek Comment
  NY34636  Pinus attenuata K. Morris 1973-5-25 276 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
  SEINET11526740  Pinus attenuata D. A. Charlet, T. Charlet 1996-12-15 2350 Siskiyou Mt. Shasta, lower southern slopes along State Highway 89, from a few miles east of McLeod to a few miles west of Bartle. Comment
  UC55648  Pinus contorta subsp. murrayana Harley P. Chandler 1901-6-1 1575 Siskiyou ridges and meadows near Marble Mountain (Klamath River to Marble Mountain); North Coast Ranges 1828 Comment
  POM120191  Pinus contorta var. murrayana Geo D. Butler 1910-5-10 1333 Siskiyou Swampy woods, Goosenest Mountain 1677 Comment
  HSC27950  Pinus lambertiana Carl W. Mize 1972-9-23 118 Siskiyou End of road 945 Comment
  CAS-BOT-BC78926  Pinus monticola W. B. C. 1938-9-17 11705 Siskiyou Slopes below Horse Camp 2133 Comment
  HSC68408  Pinus monticola Maralyn A. Renner 1980-7-4 1414 Siskiyou Near trail about 0.25 mi. below Rattlesnake Meadow. 1585 Comment
  HSC69371  Pinus monticola J. O. Sawyer, J. Cole 1980-7-19 3673 Siskiyou N and W of Little Mt. Hoffman 1982 Comment
  SBBG349  Pinus monticola J. F. Davidson, J. M. Tucker 1947-5-17 1565 Siskiyou summit of Scott Mtn 2072 Comment
  UC141586  Pinus monticola Dr. E. B. Copeland 1903-9-8 3806 Siskiyou Mt. Eddy Pacific Coast, Mt. Eddy 1524 Comment
  JEPS64472  Piperia unalascensis E. L. Greene 1876-1 Siskiyou near Yreka Comment
  UC398669  Plantago eriopoda A. A. Heller 1927-8-2 14442 Siskiyou near Gazelle; Shasta Valley Comment
  CHSC91394  Plantago lanceolata Lowell Ahart; John Dittes 2005-6-9 12050 Siskiyou Open pasture field, on the east side of a poor rock fence, about 300 yards east of where cattle water in the Shasta River, about 3/5 mile (air) south of Highway 99/97 Cutoff, about 2 1/2 miles (air) east-southeast of Grenada. 774 Comment
  HSC68388  Plantago lanceolata Maralyn A. Renner 1980-6-26 1252 Siskiyou SE edge of Flint Valley. 1390 Comment
  POM107735  Platanthera leucostachys Geo D. Butler 1910-6-6 1455 Siskiyou Quartz Valley Comment
  RSA183692  Platanthera leucostachys Gilbert Muth 1965-8-4 168 Siskiyou Marble Mountains, Marble Valley Comment
  HSC483  Platanthera sparsiflora William J. Ferlatte 1967-7-9 685 Siskiyou Kidd Creek Trail 1890 Comment
  HSC68463  Platanthera sparsiflora Maralyn A. Renner 1980-7-4 1458 Siskiyou Clear Creek Trail, N of Trout Camp 1037 Comment
  HSC60787  Platanthera sparsiflora Ruby Van Deventer Siskiyou Bell Echo Camp in Youngs Valley Comment
  CAS-BOT-BC136655  Platanthera stricta Gilbert Muth 1965-8-4 169 Siskiyou Field redacted by CAS, contact the data manager for more information 1792 Comment
  JEPS26660  Plectritis congesta Lauramay T. Dempster 1961-7-1 1840 Siskiyou se of White Mountain (just s of Oregon Border) Comment
  UCSB22015  Plectritis congesta Smith, Dale 1968-5-10 Siskiyou Roadside, 6 miles north of Yreka Comment
  HSC34011  Plectritis macrocera J. P. Smith 1974-5-25 7507 Siskiyou Along Rd. 8, 2.4 mi. W of its junction with Hwy. 3 976 Comment
  CAS-BOT-BC458195  Pleuricospora fimbriolata Wm. Bridge Cooke 1938-8-5 11460 Siskiyou Mount Shasta: Sisson Southern Trail 1828 Comment
  HSC48723  Pleuricospora fimbriolata J. Pageau, E. Toth 1979-6-5 496 Siskiyou 6.6 mi. N. of the G.O. road on FS 11N24. Line Timber Sale, unit 14. Bulk Collection 174 799 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
  UCD90581  Poa bolanderi A. H. Murphy 1955-7-27 55 F Siskiyou Klamath National Forest. Marble Mountains. Pierce's Draw Meadow. 1676 Comment
  CHSC88101  Poa bulbosa Jenny Marr 1993-7-1 111 Siskiyou Butte Valley Wildlife Area, +/- 7 air miles NW of the town of MacDoel. Meadow NW of Meiss Lake. 1349 Comment
  HSC73334  Poa compressa Gail Newton 1980-6-20 469 Siskiyou Near Bald Mtn. 1097 Comment
  UC2046863  Poa cusickii subsp. cusickii R. E. Brainerd with N. Otting 2013-7-12 2179 Siskiyou Siskiyou County: Klamath Mountains. Marble Mountains Wilderness Area. Trail just above Upper Wright Lake. Comment
  UC1265391  Poa cusickii subsp. purpurascens Frederick W. Oettinger 1969-9-2 1605 Siskiyou above meadow n. side of English Peak; Salmon Mts., High Lake Basins, English Peak vic., Marble Mt. 2164 Comment
  CAS-BOT-BC247523  Poa pringlei Wm. Bridge Cooke 1939-7-26 13755 Siskiyou Mount Shasta. Below Lake Helen on the Summit Trail 3048 Comment
  RSA233672  Poa pringlei R. F. Thorne, Frederick W. Oettinger 1969-8-10 38976 Siskiyou Mt. Shasta National Forest: S slope of Mt. Shasta, Panther Creek Meadows 2195 Comment
  UC618612  Poa pringlei W. Bridge Cooke 1938-9-8 11640 Siskiyou near South Gate Springs; Mt Shasta Comment
  UCD91769  Poa pringlei A. H. Murphy 1959-7-22 59 L Siskiyou Shasta National Forest. Summit between Bear Creek and Toad Lake. 2346 Comment
  SEINET10954307  Poa pringlei A. Arthur Heller 1921-7-7 Heller 13566 Siskiyou Gravelly soil on the slope south of Wagon creek, Mt. Eddy, in the Canadian zone. Comment
  CAS-BOT-BC237710  Poa secunda Elmer I. Applegate 1935-6-2 9267 Siskiyou Indian Well, Lava Beds National Monument Comment
  POM198427  Poa secunda Geo D. Butler 1910-4-19 1200 Siskiyou Yreka Comment
  SD107317  Poa secunda Christopher Davidson 1975-6-5 2657 Siskiyou just above gate on special service rd branching S off rd from Gazell to Callahan, 9.3 mi W of Gazell. Klamath National Forest 1470 Comment
  CAS-BOT-BC243216  Poa secunda subsp. secunda John Thomas Howell 1937-7-24 13403 Siskiyou Caribou Basin, Salmon-Trinity Alps 2286 Comment
  HSC31101  Poa secunda subsp. secunda Frederick W. Oettinger, R. F. Thorne 1969-8-6 1223 Siskiyou Marble Mtn. Wilderness Area, S side of Pine Lake. 1951 Comment
  UC1579532  Poa secunda subsp. secunda Mitchell 1936-5-8 4 Siskiyou base of Schonchin Butte; Lava Beds Nat'l Monument 1371 Comment
  UC196959  Poa secunda subsp. secunda Geo. D. Butler 1909-6-13 831 Siskiyou Moffitt Creek Comment
  UCD92067  Poa secunda subsp. secunda Louis C. Wheeler 1934-8-9 3076 Siskiyou Siskiyou Mountains. Head Jaynes Canyon. 1920 Comment
  CAS-BOT-BC244179  Poa trivialis Roxana S. Ferris; Laura Lorraine 1948-6-12 11747 Siskiyou French Creek Logging Road W of Callahan 1219 Comment
  CAS-BOT-BC244326  Podagrostis humilis John Thomas Howell 1939-8-3 15001 Siskiyou Spirit Lake, Marble Mountains 1828 Comment
  UCD52742  Podagrostis humilis Robert E. Preston 2001-7-20 1683 Siskiyou Klamath National Forest, north slope of Rainbow Mountain, N. of Hemlock Lake. 1712 Comment
  UC609346  Polemonium californicum Eleanor Burks Hart 1938-8-15 889 Siskiyou Upper Wright Lake 2225 Comment
  CAS-BOT-BC263241  Polemonium carneum R. Stubbs 2010-6-25 011 Siskiyou Private property. 5 miles west of Yreka Comment
  UCD118480  Polemonium micranthum Fred G. Andriessen 1967-3-22 s.n. Siskiyou F. Douglas Horn ranch, in Scott Valley, ca. 11 miles south of Fort Jones and ca. 4 miles east of Etna. Comment
  UC602587  Polemonium pulcherrimum W. Bridge Cooke 1938-7-28 11376 Siskiyou Mt. Shasta 2895 Comment
  CAS-BOT-BC74167  Polyctenium fremontii Elmer I. Applegate 1935-6-2 9286 Siskiyou Frenner's ranch on old road to Lava Beds, near north boundary of the National Monument. Comment
  HSC67531  Polygala californica J. P. Smith, Steve Selva 1970-6-15 3907 Siskiyou 10 mi. NW of Forks of Salmon Comment
  SEINET12203957  Polygala cornuta M. Ownbey, Meyer, F. G. 1940-1 2164 Siskiyou 7 mi NW of McCloud Comment
  SEINET5845278  Polygala cornuta D. Parker, W. Roderick 1967-7-25 s.n. Siskiyou Cabin Meadow, Scott Mountain 1829 Comment
  CAS-BOT-BC170325  Polygala cornuta var. cornuta Wm. Bridge Cooke 1941-9-5 16259 Siskiyou Along Sisson Southern Trail and Memorial Highway, Mt. Shasta. 1371 Comment
  CAS-BOT-BC414277  Polygonum aviculare subsp. depressum R. E. Frenkel 1964-10-2 898 Siskiyou On north side of Everitt Memorial Highway near Mount Shasta 1676 Comment
  UC60974  Polygonum convolvulus Geo. B. Grant September 1902 5163 Siskiyou Sisson Mount Shasta 914 Comment
  CAS-BOT-BC414592  Polygonum douglasii Alice Eastwood 1921-7-28 10877 Siskiyou Medicine Lake Comment
  CAS-BOT-BC414602  Polygonum douglasii Geo. D. Butler 1910-7-9 1706 Siskiyou Shackleford Creek 1219 Comment
  SEINET3405779 Image available Polygonum douglasii Rimo Bacigalupi, Drs. Reino & Aloha Alava 1958-9-3 6898 Siskiyou Poker Flat, Siskiyou Mtns 1536 Comment
  UC1950092  Polygonum douglasii Barbara Ertter 1990-7-14 9310 Siskiyou E side of 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, steep E-facing serpentine hillside Comment
  HSC22416  Polygonum douglasii J. O. Sawyer 1969-7-25 1529 Siskiyou Southeast facing slope above Sugar Lake 1845 Comment
  HSC32769  Polygonum douglasii Frederick W. Oettinger 1969-8-12 1350 Siskiyou Marble Mtn. Wilderness Area, trail side above Willow Spring on English Lake trail 1677 Comment
  UCD100248  Polygonum douglasii Herbert L. Mason 1948-7-17 13598 Siskiyou Eastern Grass Lake. Comment
  UC850088  Polygonum douglasii subsp. douglasii John Thomas Howell 1939-8-2 14939 Siskiyou Spirit Lake Marble Mts. Comment
  JEPS94858  Polygonum douglasii subsp. spergulariiforme Vernon H. Oswald and Lowell Ahart 1998-8-3 9405 Siskiyou 11. 5 mi w of Gazelle (junction of Gazelle-Callahan Road and USFS 41N03); junction of Gazelle-Callahan Road and USFS 41N03 1524 Comment
  UC375323  Polygonum douglasii subsp. spergulariiforme Geo. D. Butler 1909-8-6 184 Siskiyou summit s Marble Valley Comment
  UC1026908  Polygonum douglasii subsp. spergulariiforme W. Bridge Cooke 1940-6-7 15107 Siskiyou along Pacific Hwy near Black Butte Comment
  POM211807  Polygonum hydropiper Louis C. Wheeler 1934-9-20 3287 Siskiyou Lumgrey Creek, Siskiyou Mts. Mt. Diablo Mer. 671 Comment
  RSA12617  Polygonum newberryi Carl B. Wolf 1934-7-5 5968 Siskiyou 3 6/10 mi. from Dry Lake Lookout on rd. to Horse Creek, Siskiyou Mts. 1982 Comment
  JEPS19769  Polygonum persicaria Rimo Bacigalupi with S. Galen Smith 1957-6-27 5969 Siskiyou about 1 1/2 mi w Weed (along U.S. Hwy 99) 992 Comment
  UC922363  Polygonum phytolaccifolium Annie M. Alexander and Louise Kellogg 1949-7-19 5808 Siskiyou Paradise Lake Marble Mountains 1920 Comment
  CAS-BOT-BC420223  Polygonum sawatchense subsp. sawatchense Alice Eastwood 1923-5-29 12007 Siskiyou Cantara Comment
  UCD100901  Polygonum shastense Jack Major 1961-7-14 652 Siskiyou ridge above Mud Creek, Mount Shasta. 2316 Comment
  CAS-BOT-BC421078  Polygonum spergulariiforme Alice Eastwood 1912-8-30 1992 Siskiyou Mount Eddy Comment
  RSA237503  Polystichum imbricans Frederick W. Oettinger 1969-9-3 1616 Siskiyou Just below that section of the English Peak-Hancock Lake trail that is due NE of Tom's Lake. West facing. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. Comment
  RSA693319  Polystichum imbricans Edwin Kline 1920-06 s.n. Siskiyou Siskiyou Mtns. Comment
  CAS-BOT-BC376179  Polystichum lemmonii Andrew Townesmith; Karen M. Meyer 2007-8-1 887 Siskiyou Shasta-Trinity National Forest. 11.7 miles up Stewart Springs road/Forest Service road 17 (distance from intersection of Stewart Springs and Old 99 Highway) 1983 Comment
  HSC27350  Polystichum lemmonii J. P. Smith, J. O. Sawyer, Maralyn O'Meara 1972-7-3 5696 Siskiyou E slope of Kangaroo Mtn., above Toehead Lake. 1890 Comment
  UC338377  Polystichum lemmonii J. G. Lemmon and wife Sep 1889 Siskiyou s slope Mt. Eddy (near Mt. Shasta) Comment
  UC909350  Polystichum lemmonii Ira L. Wiggins 1950-5-28 12378 Siskiyou ridge just above Grouse Lake (headwaters of Grouse Creek) 1828 Comment
  SEINET6409479  Polystichum lemmonii M. J. Williams 1967-9-2 s.n. Siskiyou Cabin Meadow 1829 Comment
  UC1593364  Polystichum munitum Alan Smith with Chris Richards, C. Don Macneill, Janet Sowers, Bob Martin, Pat Toops, and Barney 1992-6-6 2542 Siskiyou at base of entrance Fossil Cave; Lava Beds Nat'l Monument 1280 Comment
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May 30 2013
  UC1584626  Polystichum scopulinum Dean W. Taylor 1975-8-14 5461 Siskiyou between Shasta Ski area and Green Butte; Mt. Shasta 2590 Comment
  POM125368  Populus trichocarpa Wm. F. Herrin 1920-8-25 s.n. Siskiyou Shasta Springs. Comment
  HSC103176  Potamogeton richardsonii Dana York, Jim Shevock 2012-7-20 3114 Siskiyou Klamath National Forest, 4 km W-SW of Cook and Green Pass, in Lily Pad Lake. 1735 Comment
  SEINET3893295  Potamogeton richardsonii Louis C. Wheeler 1958-8-21 7414 Siskiyou Siskiyou Mountains. Lily Pad Lake, head West Fork Seiad Creek.; 0 Comment
  UC114325  Potentilla breweri Thomas Howell Siskiyou Hornbrook Comment
  JEPS44166  Potentilla drummondii Harley P. Chandler June, 1901 1564 Siskiyou ridges and meadows near Marble Mountain; North Coast Ranges, near Marble Mountain 1828 Comment
  UC1409340  Potentilla drummondii Frederick W. Oettinger 1969-7-13 1001 Siskiyou moist meadow n Upper English Lake (High Lake Basins in the vicinity of English Peak, w Siskiyou County); Salmon Mountains, Marble Mountain Wilderness Area, English P 1950 Comment
  UC648279  Potentilla drummondii John Thomas Howell 1939-8-2 14906 Siskiyou Spirit Lake Marble Mts. 1828 Comment
  CAS-BOT-BC143263  Potentilla flabellifolia John Thomas Howell 1939-8-9 15230 Siskiyou Ridge south of Marble Valley, Marble Mts. Comment
  HSC23695  Potentilla flabellifolia J. O. Sawyer 1969-8-5 1739 Siskiyou W of Little Duck Lake 2073 Comment
  HSC2409  Potentilla flabellifolia William J. Ferlatte 1966-8-5 335 Siskiyou Caribou Mtn. 2470 Comment
  CAS-BOT-BC143256  Potentilla flabellifolia A. A. Heller 1922-7-3 13678 Siskiyou On the slope above the head of Wagon Creek, on Mt. Eddy 2560 Comment
  HSC128  Potentilla gracilis var. fastigiata William J. Ferlatte 1966-8-18 423 Siskiyou Willow Creek Trail. 1707 Comment
  CAS-BOT-BC540549  Potentilla gracilis var. fastigiata Wm. Bridge Cooke 1939-7-7 13591 Siskiyou Bear Springs, Mount Shasta 1524 Comment
  UC545655  Potentilla millefolia Alice Eastwood, John Thomas Howell 1934-4-20 1781 Siskiyou Gazelle Comment
  RSA114763  Potentilla millefolia J. M. Tucker 1950-7-24 1958 Siskiyou Southern edge of Grass Lake, beside Highway 97, about 22 miles NE of Weed Comment
  CAS-BOT-BC516383  Prosartes hookeri Geo. D. Butler 1909-5-30 787 Siskiyou Humbug Mountain Comment
  CAS-BOT-BC516390  Prosartes hookeri Alice Eastwood 1921-7-30 11031 Siskiyou Soda Creek Canyon Comment
  HSC27464  Prunus emarginata J. P. Smith, J. O. Sawyer 1972-5-28 5377 Siskiyou 2.4 mi. E of Trail Creek Campground on the Calahan-Cecilville Rd. 1524 Comment
  CAS-BOT-BC154676  Prunus subcordata Alice Eastwood 1923-5-29 11996 Siskiyou Cantara Comment
  CAS-BOT-BC154680  Prunus subcordata Dorothy Parker 1948-5-25 s.n. Siskiyou Plowman's Valley Comment
  CAS-BOT-BC151238  Prunus virginiana var. demissa John Thomas Howell 1939-8-4 15051 Siskiyou Marble River, Marble Mts. 1889 Comment
  UC1128441  Prunus virginiana var. demissa M. H. Mitchell 1936-5-19 Siskiyou 1 1/4 mi W of Coldwell Butte 1371 Comment
  UCD113531  Prunus virginiana var. demissa Jack Major; M. Fleschner, R. Pemble 1966-9-5 s.n. Siskiyou east of Marble Mountain, Marble Mountains. 1716 Comment
  POM358887  Pseudognaphalium thermale Chadwick, Chadwick 1911-07 1931 Siskiyou Shasta Springs. Comment
  CAS-BOT-BC239811  Pseudoroegneria spicata Louis C. Wheeler 1934-6-29 2831 Siskiyou Soda Creek, Sterling Mt., Siskiyou Mts. 1066 Comment
  JEPS100200  Pseudoroegneria spicata Dean W. Taylor 2002-6-10 18124 Siskiyou Scott Mountain, Forest Road 40N08 0.25 miles E of the junction with Highway 3 (3 miles NE from Scott Mountain summit) 1341 Comment
  POM112087  Pseudoroegneria spicata subsp. spicata Geo D. Butler 1910-6-23 1600 Siskiyou Yreka Comment
  RSA129185  Pseudoroegneria spicata subsp. spicata H. S. Yates 1936-6-21 5810 Siskiyou 2 miles N.W. of Paradise Cragg. Yreka 732 Comment
  HSC45187  Pseudotrillium rivale J. O. Sawyer, Ed Cope 1977-6-18 2931 Siskiyou Along Clear Creek Trail between Ten Mile Creek and Bear Pen Creek 610 Comment
  CAS-BOT-BC80165  Pseudotsuga menziesii W. B. C. 1938-9-2 11596 Siskiyou Sisson Southern Trail 1524 Comment
  UC456177  Pterospora andromedea I. J. Condit 1909-8-23 Siskiyou Sisson 1524 Comment
  CAS-BOT-BC460549  Pterospora andromedea Wayne Roderick 1967-7-27 s.n. Siskiyou High road S of Etna 1676 Comment
  UC1292079  Pteryxia terebinthina var. californica A. A. Heller 1928-6-9 14597 Siskiyou yellow pine forest on Spring Hill near Sisson Comment
  SD104903  Purshia tridentata Darley Howe 1979-6-26 Siskiyou Military Pass Rd, 3 mi. SE of Ca. Hwy 97, near Granada Comment
  RSA1187  Purshia tridentata var. tridentata B. D. Stark 1929-7-25 1390 Siskiyou 2 miles N of Sawyers Camp. Klamath River. 152 Comment
  UC21721  Pyrola asarifolia Miss M. A. Huntley 1896-6-28 Siskiyou Sisson's Comment
  RSA0010406  Pyrola crypta Diana D. Jolles 2013-7-18 598 Siskiyou Marble Mountain Wilderness just on the SE side of Hancock Lake (a sky lake) in forest between meadow and the lake. 1942 Comment
  HSC73213  Pyrola dentata Gail Newton 1980-6-20 501 Siskiyou Near Bald Mtn. 250 Comment
  RSA0080530  Pyrola dentata Gilbert Muth 1965-8-10 198 Siskiyou Marble Valley and along upper trail, Marble Mts. Comment
  UC1483416  Pyrola picta John Palmer 1980-8-15 968 Siskiyou ne of Seiad Low Gap on spur of Forest Road 46N50, Klamath National Forest Seiad Low Gap; Klamath National Forest, Forest Road 46N50 1097 Comment
  CAS-BOT-BC466133  Pyrola picta Gilbert Muth 1965-8-10 s.n. Siskiyou Marble Valley and long upper trails Comment
  CAS-BOT-BC466151  Pyrola picta Wm. Bridge Cooke 1938-8-5 11456 Siskiyou Sisson Southern Trail, Mount Shasta [one specimen observed at 9000'] 1828 Comment
  JEPS117464  Pyrrocoma lanceolata var. lanceolata Lowell Ahart, John Dittes 2010-7-30 16969 Siskiyou Riparian terraces near spring, Shasta Big Springs Ranch, 2.6 miles (air) northwest of Big Springs Lake, 3.9 miles (air) southeast of Grenada, 6.3 miles (air) northwest of Dwinnel Dam 778 Comment
  CAS-BOT-BC362384  Pyrrocoma racemosa var. racemosa Thos. C. Fuller 1958-8-13 s.n. Siskiyou Scott Valley, 5 mi. s. of Ft. Jones Comment
  UCR30566  Pyrrocoma racemosa var. racemosa John C. Roos 1948-9-1 3954 Siskiyou Near Fort Jones 854 Comment
  CAS-BOT-BC68603  Quercus chrysolepis Carl B. Wolf 1927-8-26 1069 Siskiyou on the Klamath River, 8 mi below Hamburg Comment
  CAS-BOT-BC68648  Quercus chrysolepis Louis C. Wheeler 1934-9-4 3242 Siskiyou Klamath National Forest, Bear Creek 1371 Comment
  UC164057  Quercus chrysolepis Geo. D. Butler 1910-6-7 1530 Siskiyou Greenhorn Mountain Comment
  UC375247  Quercus chrysolepis Geo. D. Butler 1908-7-19 1075 Siskiyou Humbug Creek Comment
  CDA21914  Quercus garryana E. Hale 1983-10-24 Siskiyou Guy s Gulch near Yreka. Comment
  CAS-BOT-BC62759  Quercus garryana var. breweri John Thomas Howell 1934-7-4 12383 Siskiyou Lava beds between Timbered Crater and Little Hot Springs Valley Comment
  HSC74869  Quercus garryana var. breweri J. P. Smith, Jennifer Whipple 1978-7-2 9989 Siskiyou Trail from Cook and Green Pass to Copper Butte. 1768 Comment
  RSA237385  Quercus garryana var. breweri Frederick W. Oettinger 1968-9-1 632 Siskiyou On west facing gradual slope on e. side of Abbots Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1723 Comment
  RSA120900  Quercus garryana var. garryana Milo S. Baker 1957-6-16 13647 B Siskiyou Along Highway S of Gazelle. Comment
  CDA22035  Quercus sadleriana T. C. Fuller, Don Shaw 1974-9-24 20036 Siskiyou Pacific Crest Trail, summit of the Siskiyou Mountains, east of White Mountain. 0 Comment
  HSC19221  Quercus sadleriana J. O. Sawyer 1968-9-13 706 Siskiyou W of the Happy Camp/O'Brien Rd. between Louse Creek and Indian Creek, on the E slopes of Little Grayback 1463 Comment
  HSC62285  Quercus sadleriana Ruby Van Deventer Aug 1957 Siskiyou Youngs Valley. 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
  JEPS80590  Quercus sadleriana Gilbert Muth 1966-8-5 501 Siskiyou Black Mt. Trail Marble Mt. Wilderness Area 1798 Comment
  SBBG25325  Quercus sadleriana S. L. Holloway 1963-10-12 77 Siskiyou jct Red Rock Valley trail and Cyn Crk trail; Marble Mtn Wilderness 1341 Comment
  CAS-BOT-BC104632  Quercus vacciniifolia Louis C. Wheeler 1934-8-8 3066 Siskiyou Siskiyou Mts. West Fork Beaver Creek 1676 Comment
  CDA22069  Quercus vacciniifolia Gordon Leppig, Tony LaBanca 1998-7-11 923 Siskiyou Kalmath National Forest, Duck Lakes Trail. Comment
  UC455271  Quercus vacciniifolia I. J. Condit 1909-8-23 Siskiyou near Sisson; Castle Lake 2133 Comment
  UC1090393  Quercus vacciniifolia Milo S. Baker 1957-6-16 13144 Siskiyou trip to Scott Mt. North Coast Ranges 1219 Comment
  JEPS58998  Raillardella pringlei Douglas Barbe 1959-7-11 538 Siskiyou 15 mi w Shasta National Forest (stream flowing nw from Gumboot Lake, headwaters of the South Fork Sacramento River); South Fork Sacramento River 1767 Comment
  CAS-BOT-BC186688  Ranunculus Gilbert Muth 1966-7-8 355 Siskiyou Marble Valley, Marble Mts. 1792 Comment
  JEPS55081  Ranunculus alismifolius var. alismifolius Milo S. Baker 1893-8-8 Siskiyou Medicine Lake; near shore Comment
  HSC36880  Ranunculus alismifolius var. hartwegii J. P. Smith 1974-5-26 7533 Siskiyou Chandler Glade on FS 47N03 1768 Comment
  UC1265404  Ranunculus aquatilis var. capillaceus Frederick W. Oettinger 1969-9-5 1679 Siskiyou Abbot's Lake Salmon Mountains, Marble Mountain Wilderness Area (high lake basins in vicinity of English Peak, w Siskiyou Co.) 1767 Comment
  UC480880  Ranunculus aquatilis var. capillaceus Milo S. Baker 1898-8-1 470 Siskiyou Medicine Lake Comment
  JEPS55058  Ranunculus aquatilis var. capillaceus W. L. Jepson 1894-1 Siskiyou Edgewood to Sissons (near Stage road) Comment
  POM98895  Ranunculus aquatilis var. capillaceus Geo. D. Butler 1909-1 545 Siskiyou [No locality information on label.] Comment
  UCSB24113  Ranunculus eschscholtzii Favero, R. 1968-3-24 Siskiyou 7 mi. east on Klamath River Rd. (Hwy. 96), 2 mi. up Lumgrey Creek Rd. 609 Comment
  CAS-BOT-BC482449  Ranunculus eschscholtzii var. suksdorfii Dana York 2011-8-13 3058 Siskiyou Marble Mountain Wilderness, Klamath National Forest, NE-facing slope of Marble Mountain 2045 Comment
  CHSC1485  Ranunculus glaberrimus S. Friday 1935-4-14 Siskiyou Scott Valley. 1158 Comment
  POM99951  Ranunculus glaberrimus var. ellipticus Geo. D. Butler 1910-3-6 1117 Siskiyou Shasta River Comment
  HSC61938  Ranunculus orthorhynchus Ruby Van Deventer 1960-7-13 Siskiyou Poker Flat 1585 Comment
  SJSU6491  Ranunculus uncinatus R. W. Trivelpiece 1972-6-14 107 Siskiyou Vann Cr near Bear Peak c. 15 mi SW of Happy Camp 1280 Comment
  RSA7780  Rhamnus californica Carl B. Wolf 1927-8-27 1153 Siskiyou On the Klamath River at the mouth of Dillon Creek Comment
  RSA7844  Rhamnus californica Doris K. Kildale 1928-7-25 5916 Siskiyou Klamath River Comment
  JEPS94856  Rhamnus californica subsp. occidentalis Vernon H. Oswald and Lowell Ahart 1998-8-3 9447 Siskiyou Rock Fence Lake Rd. (USFS 41N18) 0.1 mi ne of its intersection with Kangaroo Lake Rd. (USFS 41N08) (4.9 mi se of Gazelle-Callahan Rd.) 1676 Comment
  HSC100189  Rhamnus ilicifolia J. P. Smith, & J. O. Sawyer 2011-9-3 13409 Siskiyou Along Old Shasta River Road. 727 Comment
  SEINET13946380 Image available Rhamnus obtusissima A. A. Heller 1920-1 13525 Siskiyou near Black Butte north of Sisson, elev 3550 ft 1082 Comment
  HSC75257  Rhodiola integrifolia subsp. integrifolia J. O. Sawyer, M. Mesler 1980-8-13 4051 Siskiyou E of Pacific Crest Trail at Black Marble Mtn. 1921 Comment
  SJSU6535  Rhodiola integrifolia subsp. integrifolia R. W. Trivelpiece 1973-6-30 162 Siskiyou Big Duck L, Scott R drainage c. 7.5 mi W of Callahan 2042 Comment
  HSC96872  Rhododendron columbianum Gordon Leppig 1998-7-10 913 Siskiyou Russian Wilderness, cirque W of Little Duck Lake 671 Comment
  CAS-BOT-BC199725  Rhododendron occidentale L. B. Kildale 1930-6-1 9730 Siskiyou Salmon River between Oak Bottom and Somes Bar Comment
  HSC27604  Rhododendron occidentale Carl W. Mize 1972-6-10 49 Siskiyou ca. 50 ft. above Steinacher Creek and 1/2 mi. from Wooley Creek 335 Comment
  SFV5171  Rhododendron occidentale B. C. Templeton 1960-6-21 8537 Siskiyou Klamath Mountains Between Callahan and the summit of Scott Mountains. Mountain slopes. Comment
  UC163674  Rhus trilobata Geo. D. Butler 1910-4-1 1151 Siskiyou near Yuka Comment
Read comments
Nov 25 2011
  UC165746  Ribes binominatum Geo. D. Butler 1908-8-4 259 Siskiyou head Shackleford Creek Comment
  SEINET9321585  Ribes cereum var. cereum 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-BC168867  Ribes inerme var. klamathense John Thomas Howell; T. C. Fuller; G. D. Barbe 1980-4-29 53408 Siskiyou Fort Jones 853 Comment
  CDA25538  Ribes inerme var. klamathense G. D. Barbe, J. T. Howell, T. C. Fuller 1980-4-29 2622 Siskiyou 200 meters north of Hamilton Street on Highway 3, north edge of Fort Jones. Comment
  CAS-BOT-BC173298  Ribes lacustre Ira L. Wiggins 1955-7-29 13592 Siskiyou Along Thompson Creek, 3.5 mi. above S Fork of Salmon River 1371 Comment
  LA205433  Ribes lacustre Louis C. Wheeler; 1934-6-14 2713 Siskiyou Siskiyou Mountains, Arrastre Creek, off Hungry Creek 1280 Comment
  RSA237680  Ribes lacustre Frederick W. Oettinger 1969-7-11 972 Siskiyou SE corner of Hancock Lake. Salmon Mtns. High Lake Basins in the vicinity of English Peak. Marble Mtn Wilderness Area. 1936 Comment
  JEPS49317  Ribes lobbii Annie M. Alexander and Louise Kellogg 1911-6-17 154 Siskiyou Jackson Lake 1798 Comment
  UC165265  Ribes lobbii Geo. 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
  CAS-BOT-BC219274  Ribes nevadense A. A. Heller 1905-6-5 7967 Siskiyou Near Shasta Springs Comment
  RSA0023150  Ribes nevadense John Dourley, Walter Wisura 1982-10-17 3884 Siskiyou Mill Creek Ridge, ca. 18 mi N of Happy Camp, along old road up Indian Creek. 1524 Comment
  JEPS82695  Ribes roezlii Wayne Roderick 1984-6-5 Siskiyou ca. 12 air km sw Mt. Shasta city; Castle Lake 1828 Comment
  UC165932  Ribes roezlii Geo. D. Butler 1910-4-21 1211 Siskiyou Oro Fino Comment
  UC618599  Ribes roezlii W. Bridge Cooke 1938-6-17 11001 Siskiyou Sisson Southern Trail Mount Shasta (also around Bear Springs) Comment
  CAS-BOT-BC199988  Ribes roezlii var. cruentum John Thomas Howell 1937-7-29 13635 Siskiyou Scott Mt. between Trinity and Siskiyou cos. Comment
  RSA0024594  Ribes roezlii var. cruentum Marion Ownbey, Fred G. Meyer 1940-7-6 2197 Siskiyou Near summit of Cayenne Ridge on south side, Marble Mountain. Comment
  CAS-BOT-BC144520  Ribes sanguineum var. sanguineum T. H. Harris 1951-6-1 s.n. Siskiyou Indian Creek Basin, Happy Camp 1524 Comment
  HSC44887  Ribes sanguineum var. sanguineum Maralyn O'Meara 1974-5-25 401 Siskiyou Along road to Duck Lakes trail 1402 Comment
  CAS-BOT-BC173901  Ribes velutinum Elmer I. Applegate 1929-5-2 5557 Siskiyou Shasta Valley between Gazelle and Yreka Comment
  CAS-BOT-BC173911  Ribes velutinum Alice Eastwood; John Thomas Howell 1940-6-14 8263 Siskiyou Lava Beds Nat. Mon. near Indian Wells Comment
  HSC20361  Ribes velutinum R. C. Wunner 1965-7-1 337 Siskiyou Lava Beds National Monument, near N Prefab. 1433 Comment
  UC54302  Ribes velutinum H. M. Hall and E. B. Babcock June, 1903 4102 Siskiyou Shasta Valley Sierra Nevada Mountains, Mount Shasta 914 Comment
  UCR17261  Ribes velutinum Frank C. Vasek 1975-6-29 750629- 03 Siskiyou 4.3 mi SW of Gazelle Comment
  CAS-BOT-BC168806  Ribes viscosissimum John Thomas Howell 1937-7-26 13549 Siskiyou Caribou Gulch Comment
  RSA0020919  Ribes viscosissimum Albert M. Vollmer, L. Beane 1951-6-2 55 Siskiyou Road between Streamline Lodge and Deer Camp, north of Klamath River Highway. Comment
  JEPS107442  Rigiopappus leptocladus Lowell Ahart, John Dittes 2005-6-10 12086 Siskiyou Rocky hillside, north of the rock fence, about 200 yards southeast of the pump house along the Shasta River, about 1.9 miles (air) south of Highway 99/97 Cutoff, about 6 miles (air) east-southeast of Grenada 776 Comment
  CHSC111305  Robinia hispida Nick Otting; Dick Brainerd 2012-6-5 3375 Siskiyou Weed, Old Highway 99 at south end of town. Habitat: Disturbed soils in opening in mixed conifer forest. 1120 Comment
  HSC62118  Romanzoffia sitchensis Ruby Van Deventer 28 Jun [year missing] Siskiyou Raspberry Lake, 2 mi. W of Copper Mtn. Comment
  RSA26146  Rorippa columbiae J. William Thompson 1936-7-8 s.n. Siskiyou Lava slopes of Lava Beds Nat l Monument. Comment
  CAS-BOT-BC74656  Rorippa curvisiliqua Doris K. Kildale 1928-8-20 6593 Siskiyou Lily Pad Lake, near Hancock Lookout trail to Marble Mountain. 2133 Comment
  RSA435942  Rorippa palustris subsp. occidentalis L. C. Wheeler 1934-9-15 3260 Siskiyou Walker, Klamath River, Siskiyou Mts. (Mt. Diablo Mer.) 518 Comment
  UC375395  Rosa californica Geo. D. Butler 1908-6-20 1044 Siskiyou near Yreka Comment
  HSC69497  Rosa gymnocarpa John Palmer 1980-8-12 737 Siskiyou Road to Bearground Spring from Beaver Creek Rd. 1341 Comment
  UC136511  Rosa gymnocarpa Dr. E. B. Copeland 1903-9-5 3874 Siskiyou foot Mt. Eddy 1219 Comment
  UC164425  Rosa gymnocarpa Geo. D. Butler 1910-8-7 1816 Siskiyou Humbug Mountain 1219 Comment
  UCD35439  Rosa gymnocarpa Beecher Crampton 1956-8-21 3845 Siskiyou Above the Sacramento River, just below the junction of the middle with the south Fork. 1112 Comment
  CDA38670  Rosa multiflora Larry Livesay 2013-4-23 PDR# 470 P06027592 Siskiyou East of Montague; on the west side of Lichens Rd., 0.25 miles north of Ball Mountain Road. Comment
  CAS-BOT-BC147057  Rosa pisocarpa Alice Eastwood 1917-9-2 6686 Siskiyou Shasta Springs Comment
  CAS-BOT-BC147060  Rosa pisocarpa A. A. Heller 1915-7-18 12112 Siskiyou Metcalf's ranch, northeast base of Mt. Eddy 1188 Comment
  CAS-BOT-BC147072  Rosa pisocarpa Alice Eastwood 1923-5-23 11936 Siskiyou Cantara, S.P.R.R. Comment
  CAS-BOT-BC149739  Rosa woodsii subsp. ultramontana L. E. Smith 1915-9-1 s.n. Siskiyou Sisson Comment
  UC861594  Rubus glaucifolius Louis C. Wheeler 1934-8-31 3233 Siskiyou Bear Creek off West Fork Beaver Creek; Siskiyou Mts, Bear Creek off West Fork Beaver Creek 1767 Comment
  HSC70622  Rubus laciniatus J. M. DiTomaso 1980-8-26 1920 Siskiyou Shasta Springs, 1 mi. along railroad track, N end of Scarlet Way, 4 mi. N of Dunsmir, W side of Sacramento River Comment
  HSC99690  Rubus lasiococcus G. L. Clifton 1979-7-1 6177 Siskiyou Near Poker Flat, close to the town of Happy Camp 1538 Comment
  UC861838  Rubus ursinus A. A. Heller 1916-6-20 12419 Siskiyou Metcalf's Ranch ne base of Mt. Eddy, Metcalf's Ranch 1188 Comment
  CAS-BOT-BC363172  Rudbeckia californica A. A. Heller 1914-8-28 11731 Siskiyou East side of Mt. Eddy 1524 Comment
  SEINET5710611  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
  JEPS74413  Rumex acetosella W. B. and V. G. Cooke 1974-8-20 49244 Siskiyou Everett Memorial Highway Mt. Shasta 1371 Comment
  CAS-BOT-BC422223  Rumex acetosella A. A. Heller 1915-8-24 12209 Siskiyou Metcalf's ranch, northeast base of Mt. Eddy 1188 Comment
  CAS-BOT-BC421724  Rumex conglomeratus Alice Eastwood 1912-7-21 1286 Siskiyou Sisson Comment
  UC163673  Rumex crispus Geo. D. Butler 1909-6-5 971 Siskiyou creek near Yreka Comment
  UC375324  Rumex salicifolius var. salicifolius Geo. D. Butler 1908-7-6 512 Siskiyou near Yreka Comment
  CAS-BOT-BC434155  Rumex triangulivalvis Alice Eastwood 1921-7-28 10928 Siskiyou Medicine Lake Comment
  RSA47791  Sagina saginoides Roxana S. Ferris, Laura Lorraine 1948-6-12 11745 Siskiyou French Creek logging road west of Callahan. 1067 Comment
  CAS-BOT-BC103548  Salix commutata Alice Eastwood 1921-7-29 10970 Siskiyou Medicine Lake Comment
  UC1173605  Salix eastwoodiae Joseph P. Tracy 1935-8-1 14398 Siskiyou at extreme head of W. Fork of Knownothing Creek Rock Lake (on ridge between Salmon and New Rivers) 1889 Comment
  CAS-BOT-BC103760  Salix exigua Lewis S. Rose 1945-6-22 45171 Siskiyou Beaver Creek & Klamath River 548 Comment
  LA208556  Salix exigua var. exigua W. B. C.; 1940-6-20 15158 Siskiyou along the Pacific Highway in the Klamath River gorge 609 Comment
  UC506510  Salix exigua var. hindsiana B. S. and C. S. Ball 1933-9-21 2535 Siskiyou 5 mi s Hornbrook (beside Hwy. 99, on Klamath R.) Comment
  UC54763  Salix exigua var. hindsiana P. E. Goddard 1901-8-4 150 Siskiyou Klamath River Comment
  RSA610757  Salix laevigata Louis C. Wheeler 1935-5-11 3474 Siskiyou Klamath River at Ash Creek; Siskiyou Mountains. 610 Comment
  CAS-BOT-BC107069  Salix lasiolepis Mrs. H. P. Bracelin 1931-6-19 412 Siskiyou Northeast side of Mount Eddy, about 16 km. northwest of Shasta City 1425 Comment
  SBBG57842  Salix lasiolepis Mrs. H. P. Bracelin 1931-6-19 410 Siskiyou Metcalf Ranch, NE side of Mt Eddy, ca. 16 km NW of Shasta City Comment
  SD899  Salix lasiolepis Mrs. H. P. Bracelin 1931-6-19 Siskiyou Northeast side of Mount Eddy, about 16 km northwest of Shasta City, above Metcalf ranch house 1424 Comment
  SD998  Salix lasiolepis Mrs. H. P. Bracelin 1931-6-19 Siskiyou Northeast side of Mount Eddy, about 16 km northwest of Shasta City, above Metcalf ranch house 1424 Comment
  UC481721  Salix lasiolepis Mrs. H. P. Bracelin 1931-6-21 469 Siskiyou creek side about 300 m below Dobkin Lake (n side of mt., about 21 km nw of Shasta City); Mt. Eddy 1650 Comment
  CAS-BOT-BC124899  Salix lemmonii Mrs. H. P. Bracelin 1931-6-20 448 Siskiyou East side of Mount Eddy, about 17 km. northwest of Shasta City; Wagon Creek Canyon, about 1 km. up from Metcalf ranch house 1170 Comment
  CAS-BOT-BC124901  Salix lemmonii W. R. Dudley 1899-8-8 s.n. Siskiyou Near Big Spring - Sisson Comment
  SBBG29052  Salix lemmonii Mrs. H. P. Bracelin 1931-6-21 467 Siskiyou ca. 21 km NW of Shasta City, 180 m below Dobkin's Lake, N side of Mount Eddy 1770 Comment
  SBBG57914  Salix lemmonii Mrs. H. P. Bracelin 1931-6-19 415 Siskiyou ca. 16 km NW of Shasta City, on edge of stream above Metcalf ranch house; NE side of Mount Eddy 1455 Comment
  UC481736  Salix lemmonii Mrs. H. P. Bracelin 1931-6-21 467 Siskiyou ca. 21 km. n.w. of Shasta City (meadow 180 m. below Dobkin's Lake); n. side Mt. Eddy 1770 Comment
  CAS-BOT-BC125681  Salix melanopsis H. A. Thomas; J. H. Thomas 1954-7-1 4456 Siskiyou Salmon - Trinity Mts. About 6 miles SE of Cecilville. Along north bank of S. Fork of Salmon River just west of Blind Horse Creek 883 Comment
  POM213972  Salix melanopsis Isabelle C. Kimber 1934-6-9 12 Siskiyou Steelbridge Camp, Sacramento River just above confluence with Ney Creek. 732 Comment
  UC449844  Salix melanopsis L. S. Smith 1931-6-1 14 Siskiyou near Mt. Shasta Mt. Shasta 1066 Comment
  CHSC4317  Salix monochroma D. Parker 1965-3-13 1061 Siskiyou Johnson Creek, near Etna. 914 Comment
  CAS-BOT-BC126124  Salix scouleriana L. S. Smith 1931-6-7 16 Siskiyou Mt. Shasta 1066 Comment
  CAS-BOT-BC126163  Salix scouleriana Alice Eastwood 1921-7-31 s.n. Siskiyou Shasta Springs Comment
  POM107278  Salix scouleriana Geo. D. Butler 1910-5-30 1439 Siskiyou Humbug Mountain 1220 Comment
  SD878  Salix scouleriana Mrs. H. P. Bracelin 1931-6-20 446 Siskiyou East side of Mount Eddy, about 17 km northwest of Shasta City, above stream in Wagon Creek Canyon, about 1 km up from Metcalf Ranch House 1170 Comment
  UC449843  Salix scouleriana L. S. Smith 1931-6-1 13 Siskiyou near Mt. Shasta Mt. Shasta 1066 Comment
  UC482262  Salix scouleriana Mrs. H. P. Bracelin 1931-6-20 443 Siskiyou ca. 17 km. n.w. Shasta City (above stream in Wagon Creek Canyon, ca. 1 km. up from Metcalf ranch house, e. side Mt. Eddy); e. side Mt. Eddy 1170 Comment
  CAS-BOT-BC126156  Salix scouleriana L. E. Smith 1914-3-17 573 Siskiyou Sisson, Junction of S.P. and McCloud R.R. Comment
  CAS-BOT-BC225204  Salvia sonomensis A. A. Heller 1905-6-16 8044 Siskiyou Back of Sisson on the Mt. Shasta Trail Comment
  UCD125660  Salvia virgata M. V. Maxwell 1941-6-25 s.n. Siskiyou 3 miles east of Hornbrook. 670 Comment
  CAS-BOT-BC238878  Sambucus nigra subsp. caerulea John Thomas Howell 1937-7-24 13391 Siskiyou Caribou Basin, Salmon-Trinity Alps 2286 Comment
  CAS-BOT-BC238891  Sambucus nigra subsp. caerulea Wm. Bridge Cooke 1938-6-24 11087 Siskiyou Mount Shasta. MacBride Springs Comment
  CAS-BOT-BC236483  Sambucus racemosa subsp. racemosa Annetta Carter 1939-8-21 1479 Siskiyou Southeast end of Taylor Lake, 12 miles southwest of Etna, Salmon Mountains 2042 Comment
  CAS-BOT-BC236477  Sambucus racemosa subsp. racemosa Annie M. Alexander; Louise Kellogg 1948-9-9 5611 Siskiyou Near edge of Taylor Lake, Siskiyou Mountains 1828 Comment
  HSC19413  Sambucus racemosa var. melanocarpa J. O. Sawyer 1968-7-23 592 Siskiyou Along trail from Brown's Valley to Caribou Basin including areas around Snowslide Lake and Caribou Lake. 1829 Comment
  UC13054  Sanguisorba annua W. A. Setchell, C. C. Dobie 1902-7-13 Siskiyou Sisson , Sisson (Mount Shasta) Comment
  UC584355  Sanguisorba annua G. L. Stebbins Jr. and J. A. Jenkins 1937-7-17 2431 Siskiyou along Sulloway Creek (near Mt. Shasta); , along Sulloway Creek 1158 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
  CAS-BOT-BC223228  Sanicula bipinnatifida H. A. Thomas; J. H. Thomas 1954-7-21 4403 Siskiyou Salmon - Trinity Mts. About 6 miles SE of Cecilville. West side of Rush Creek 1158 Comment
  UC648264  Sanicula graveolens John Thomas Howell 1939-8-2 14915 Siskiyou Marble Mountains, Spirit Lake Spirit Lake; Marble Mountains, Spirit Lake 1828 Comment
  UC735125  Sanicula graveolens Lincoln Constance and Ren Hwa Shan 1946-5-31 3059 Siskiyou Sacramento River, at Dunsmuir Dunsmuir; Sacramento River, Dunsmuir 701 Comment
  RSA237663  Sanicula graveolens Frederick W. Oettinger 1968-8-18 579 Siskiyou Just north of Tobacco Lake. Salmon Mtns. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1890 Comment
  UC991120  Saponaria officinalis J. M. Tucker 1950-7-24 1947 Siskiyou lot beside Highway 99 on the outskirts Mount Shasta town; town of Mount Shasta Comment
  HSC68018  Saponaria officinalis J. P. Smith, Steve Selva 1970-7-16 4404 Siskiyou 1 mi. E of O'Neill Campground 579 Comment
  CAS-BOT-BC110341  Sarcobatus vermiculatus Robert F. Thorne; J. Henrickson; C. W. Tilforth 1969-9-3 39040 Siskiyou Ca. 2 miles west of Lower Klamath National Wildlife Refuge. 1295 Comment
  JEPS59093  Sarcodes sanguinea W. L. Jepson 1907-7-6 2859 Siskiyou Ridge above Cudahay Valley, region of Marble Mt. Comment
  UC1034050  Saxifraga aprica W. Bridge Cooke 1941-8-28 16255 Siskiyou tributary of Squaw Valley Creek (Mount Shasta); Mount Shasta 2286 Comment
  UC166559  Saxifraga mertensiana Geo. D. Butler 1908-8-8 222 Siskiyou Marble Valley Comment
  RSA211110  Saxifraga nidifica William J. Ferlatte 1966-6-22 73 Siskiyou Josephine Lake basin; Trinity Alps. 1677 Comment
  UC722724  Saxifragopsis fragarioides C. L. Hitchcock, J. S. Martin 1939-7-9 5316 a Siskiyou between King's Castle and Black Mountain 1828 Comment
  RSA210792  Schoenoplectus maritimus Robert F. Thorne, James Henrickson, C. W. Tilforth 1969-9-3 39029 Siskiyou Hwy 161 at N edge of White Lake, 13.5 miles E of junction of Hwy 97 and 161. 1280 Comment
  SEINET10504058  Scirpus acutus Katherine L. Morris 1973-6-2 Morris 347 Siskiyou Found at the junction of shasta and klamath rivers on hwy 263 Comment
  HSC773  Scirpus microcarpus William J. Ferlatte 1967-8-17 948 Siskiyou Yellow Rose Mine 1982 Comment
  UC1265450  Scirpus microcarpus Frederick W. Oettinger 1969-7-31 1121 Siskiyou on inlet stream Upper English Lake (High Lake Basins in vicinity of English Peak, Marble Mountain Wilderness Area, Salmon Mountains, Western Siskiyou County); Marble Mountain Wilderness Area, Salmon Mountains 1767 Comment
  CAS-BOT-BC243495  Scribneria bolanderi John Thomas Howell 1952-6-14 28346 Siskiyou 9.5 miles from Ft. Jones on road to Callahan Comment
  RSA483308  Scribneria bolanderi L. C. Wheeler 1935-5-1 3450 Siskiyou Yreka Creek. Siskiyou Mountains. Mt. Diablo Mer. 854 Comment
  POM15709  Scrophularia californica Geo. D. Butler 1910-5-22 1383 Siskiyou Yreka Creek. Comment
  UC1174939  Scrophularia californica P. C. Everett and E. K. Balls 1959-10-23 23939 Siskiyou 4 mi sw Etna (on rd from Callaban to Somesbar); Salmon Mts 1676 Comment
  JEPS81648  Scutellaria antirrhinoides L. R. Heckard with L. Constance and R. Ornduff 1969-6-24 2314 Siskiyou between the Sacramento and McCloud arms of Shasta Lake (near Fall Creek Inn along Gilman Road) 396 Comment
  UC1112881  Scutellaria nana Milo S. Baker 1957-6-15 13105 Siskiyou road cut just s of Week Comment
  UC1211910  Scutellaria siphocampyloides Roy L. Taylor 1960-6-12 4442 Siskiyou above the Klamath River (1 mi w of jct Hwy 96 (Klamath River Road) and Hwy 99 n of Yreka) Comment
  CDA16164  Secale cereale G. F. Hrusa 1998-5-25 14470 Siskiyou Klamath Ranges; +- 1 mi S of Weed, on frontage Rd. along I-5. Common between road & fence, possibly planted. 0 Comment
  CAS-BOT-BC494142  Sedum kiersteadiae Peter F. Zika; Julie Nelson 2012-6-21 25905 Siskiyou Ridge above South Fork Willow Creek, along FS Rd 42N19, 8 air km ENE of Gazelle Mountain, Shasta-Trinity National Forest 1630 Comment
  CHSC118104  Sedum kiersteadiae Peter Zika; Barbara Wilson 2011-7-31 25677 Siskiyou 0.9 mile by roadd east of summit on Highway 3 at Scott Mountain; UTM zone 10, 525847 east, 4568011 north +- 30 feet. 1547 Comment
  RSA297051  Sedum lanceolatum John F. Emmel 1974-7-22 523 Siskiyou Meadows 0.2 air mile N of N end of Lower Wright Lake, Marble Mountain Wilderness Area. 2088 Comment
  HSC76641  Sedum lanceolatum var. lanceolatum K. T. Stillman 1976-6-25 106 Siskiyou Marble Mtn. Wilderness Area 2073 Comment
  SEINET10449669  Sedum obtusatum subsp. boreale Mary Susan Taylor 1980-7-8 Taylor 3116 A Siskiyou T39N R5W se sec 24, Dunsmuir quad; Shasta-Trinity Natl Forest; on ridge S of Castle Lake, above Hearts Lake. 2017 Comment
  HSC76890  Sedum obtusatum subsp. retusum K. T. Stillman 1976-7-7 155 Siskiyou Marble Mtn. Wilderness Area 1982 Comment
  JEPS121410  Sedum obtusatum subsp. retusum Peter F. Zika 2011-7-19 25647 Siskiyou near Pacific Crest Trail, 1 air mile WNW of Copper Butte, Siskiyou Mountains Comment
  HSC19541  Sedum obtusatum subsp. retusum J. O. Sawyer 1969-7-1 978 Siskiyou SE slope above Paynes Lake Creek 1921 Comment
  UC1190187  Sedum oregonense Ira L. Wiggins 1955-7-27 13521 Siskiyou Caribou Lake Salmon-Trinity Alps Prmitive Area, Caribou Lake (Salmon-Trinity Alps Primitive Area) 2042 Comment
  JEPS121415  Sedum spathulifolium Peter F. Zika 2011-7-19 25646 Siskiyou Forest Service Road 1055, 7.7 road miles above junction with Road 1050, 2.5 air mile SSE of Windy Peak, Siskiyou Mountains Comment
  RSA0074726  Sedum spathulifolium Gilbert Muth 1965-8-3 158 Siskiyou Marble Valley, Marble Mtns. 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-BC496375  Selaginella scopulorum Louis C. Wheeler 1934-8-14 3122 Siskiyou Siskiyou Mts., 0.5 mile W White Mt. 1920 Comment
  CAS-BOT-BC363423  Senecio aronicoides Alice Eastwood 1912-7-15 1102 Siskiyou McCloud Comment
  CHSC71286  Senecio integerrimus var. exaltatus Vernon H. Oswald; Lowell Ahart 1998-6-11 9216 Siskiyou Butte Valley National Grassland near the junction of Meiss Lake-Sams Neck Rd. and Hwy. 97 ca. 5 mi north of Macdoel. 1295 Comment
  HSC90545  Senecio integerrimus var. exaltatus Jennifer Whipple 1976-7-2 1265 Siskiyou Dobkins Lake drainage on E facing slopes above Dobkins Lake 2256 Comment
  RSA0124976  Senecio integerrimus var. exaltatus M. B. Dunkle 1944-6-26 9050 Siskiyou Deer Creek Slope. 1828 Comment
  CHSC417  Senecio triangularis 1939-7-12 Siskiyou Mt. Shasta. 1828 Comment
  HSC61996  Senecio triangularis Ruby Van Deventer 1959-7-9 Siskiyou Poker Flat 1585 Comment
  OBI55462  Senecio triangularis David J. Keil, Kathleen Keil 1992-7-21 23542 Siskiyou Klamath NF SE of Callahan. Forest Rd 40N08, 1.7 mi W of Scott Mtn rd (hwy 3) Comment
  UC1483533  Senecio triangularis John Palmer 1980-8-12 689 Siskiyou se Wards Gap; Condry Mtn. Quad., Klamath National Forest 1188 Comment
  CAS-BOT-BC240270  Setaria viridis Dorothy Parker 1948-8-24 88 Siskiyou Garden in Plowman's Valley, East Fork of Scott River 1188 Comment
  JEPS68544  Setaria viridis Geo. D. Butler 1909-10-10 1091 Siskiyou Yreka, <Doonyard> Comment
  RSA211491  Sibbaldia procumbens William J. Ferlatte 1967-8-20 1050 Siskiyou Caribou Basin. Sawtooth Ridge. 2043 Comment
  RSA448559  Sidalcea Chadwick, Mrs. Chadwick 1911-07 1931 Siskiyou Shasta Springs. Comment
  UC871449  Sidalcea asprella subsp. nana Alice Eastwood 1921-7-29 10977 Siskiyou Bear Spring on road to Medicine Lake; Bear Spring on rd to Medicine Lake Comment
  HSC32024  Sidalcea oregana A. M. Montalvo, J. D. Ackerman 1974-7-2 351 Siskiyou Along road to Morgan Meadows, E slope of Mt. Eddy, W of Mt. Shasta City Comment
  JEPS67291  Sidalcea oregana subsp. oregana W. L. Jepson 1940-7-1 20088 Siskiyou 6 mi e McCloud (McCloud River); , e of McCloud, Fowlers Camp 975 Comment
  RSA518677  Sidalcea oregana subsp. oregana W. L. Jepson 1940-6-28 20062 Siskiyou McCloud. 976 Comment
  JEPS75882  Sidalcea oregana subsp. spicata W. J. Ferlatte 1966-8-2 227 Siskiyou S Fork Salmon R , S Fork Salmon R (Trinity Alps) 1524 Comment
  UC73428  Sidalcea oregana subsp. spicata Milo S. Baker Aug., 1897 148 Siskiyou Medicine Lake 2133 Comment
  UC871508  Sidalcea oregana subsp. spicata Alice Eastwood 1921-7-28 10964 Siskiyou Medicine Lake Comment
  UCD77297  Sidalcea oregana subsp. spicata Robert E. Preston 2003-7-28 2163 Siskiyou ca. 17.3 mi NE of McCloud, at Trout Creek Campground 1486 Comment
  JEPS100205  Silene campanulata subsp. glandulosa Dean W. Taylor 2002-6-10 18119 Siskiyou Scott Mountain, Forest Road 40N08 0.25 miles E of the junction with Highway 3 (3 miles NE from Scott Mountain summit) 1341 Comment
  CAS-BOT-BC181185  Silene campanulata subsp. glandulosa Lillian Mott 1976-7-8 42 LM76 Siskiyou Salt Gulch a tributary of Horse Creek, ca. 7 mi. North of Klamath River 853 Comment
  CAS-BOT-BC181190  Silene campanulata subsp. glandulosa Doris K. Kildale 1929-5-31 9170 Siskiyou South Fork Salmon River at Cecilville Comment
  JEPS44102  Silene douglasii W. B. and V. G. Cooke 1965-7-12 35180 Siskiyou Mt. Shasta Mt. Shasta (Bolam Road) 1524 Comment
  SDSU4483  Silene douglasii D. F. Howe 1964-8-4 3935 Siskiyou Modoc National Forest 9 miles from entrance from Lava Bed National Monument. 2042 Comment
  UC904785  Silene douglasii W. Bridge Cooke 1949-8-26 25676 Siskiyou above Bolam Station (Mount Shasta); , above Bolam Station 2133 Comment
  HSC4208  Silene douglasii R. C. Wunner 1965-6-25 273 Siskiyou Lava Bed NM, Indian Well Cave area 1433 Comment
  CAS-BOT-BC388953  Silene grayi Alice Eastwood 1912-9-1 2066 Siskiyou Mount Shasta Comment
  CAS-BOT-BC388966  Silene grayi Robert F. Thorne; Fred Oettinger 1969-8-10 39001 Siskiyou Mt. Shasta National Forest: S slope of Mt. Shasta 2438 Comment
  HSC92351  Silene grayi Jennifer Whipple 1976-7-1 1235 Siskiyou Near Durney Lake, W facing slope above lake 2073 Comment
  RSA165436  Silene grayi Clare B. Hardham 1961-6-30 8010 Siskiyou Near White Mt. Comment
  RSA237803  Silene grayi Frederick W. Oettinger 1969-7-29 1110 Siskiyou North of upper English Lake; Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1921 Comment
  UCD98591  Silene grayi Mary Ann Showers 1980-8-28 2051 Siskiyou along trail between old ski area and Panther Meadows on Mt. Shasta. 2377 Comment
  CAS-BOT-BC389528  Silene menziesii Geo. D. Butler 1910-6-1 1445 Siskiyou Yreka Creek Comment
  UC375340  Silene menziesii Geo. D. Butler 1909-6-10 967 Siskiyou near Yreka; near Yreka Comment
  CAS-BOT-BC389534  Silene menziesii David D. Keck 1938-8-7 4853 Siskiyou Scott Mountain Lodge, 2 mi. E. of Callahan, on E. Fork of Scott River at junction with Mill Creek 1000 Comment
  UC1333307  Silene vulgaris Dorothy Parker 1949-6-30 Siskiyou along the banks of Crystal Creek banks of Crystal Creek, Scott Valley (Scott Valley) 871 Comment
  HSC27980  Silene vulgaris Gary S. Lester 1973-7-16 51 Siskiyou Above Wooley Creek trail at Canyon Creek crossing 488 Comment
  HSC68010  Silene vulgaris J. P. Smith, Steve Selva 1970-6-15 3893 Siskiyou Oak Bottom Campground near Somes Bar. 229 Comment
  CDA17128  Sisymbrium altissimum G. F. Hrusa 2001-6-5 15842 Siskiyou Shasta Valley; Northbound exit from I-5 at Louie Rd. 914 Comment
  UC1025073  Sisyrinchium idahoense Leo Whitney 1934-6-11 1587 Siskiyou near Tennant; Antelope Creek 1463 Comment
  JEPS62161  Smilax californica W. L. Jepson 1914-8-14 6173 Siskiyou Dunsmuir 670 Comment
  UC1076036  Smilax californica Herbert L. Mason 1947-5-15 14756 Siskiyou nw Edgewood Comment
  POM126716  Solanum Milo S. Baker 1898-08 496 Siskiyou Medicine Lake Mtns at Devil's Gate. Comment
  NY821197  Solanum parishii W. B. Cooke 1940-6-6 15075 Siskiyou Along the Castle Lake Road 1676 Comment
  HSC28652  Solanum parishii Frederick W. Oettinger 1969-8-12 1347 Siskiyou Marble Mtn. Wilderness Area, along trail above Willow Springs 1677 Comment
  CAS-BOT-BC157049  Solanum umbelliferum D. Parker 1950-6-15 451 Siskiyou Along Kidder Creek 914 Comment
  HSC26761  Solidago elongata J. P. Smith, J. O. Sawyer 1971-9-18 4811 Siskiyou 1.2 mi. W of junction of Hwy. 3 and Rd. 8, N of Callahan. Comment
  HSC72273  Solidago elongata J. P. Smith, J. O. Sawyer, Jane Sawyer, Kevin Sawyer 1976-9-5 8963 Siskiyou 1/2 mi. N of Siskiyou-Trinity County line on S.R. 3 Comment
  UC1557825  Solidago elongata J. Semple, S. Heard 1986-8-14 8460 Siskiyou behind grade school (on East Lake St., Mt. Shasta City); Mt. Shasta City Comment
  CAS-BOT-BC365573  Solidago elongata Elmer I. Applegate 1923-9-7 3957 Siskiyou Doggett Ridge, Siskiyou Mountain, Klamath River canyon Comment
  RSA14494  Solidago spectabilis Elmer I. Applegate 1923-8-21 3916 Siskiyou Willow Creek, south end of Lower Klamath marsh. Comment
  OBI55540  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
  OBI53777  Solidago velutina subsp. californica David J. Keil 1992-7-20 23477 Siskiyou 10.3 mi W of Fort Jones along Scott River Rd 900 Comment
  UC455693  Sonchus asper I. J. Condit 1911-7-13 Siskiyou Dunsmuir Comment
  RSA78999  Sorbus californica E. K. Balls, Percy C. Everett 1952-10-13 18187 Siskiyou E shore of Castle Lake. 1585 Comment
  UC618791  Sorbus californica W. B. Cooke 1938-7-22 11341 Siskiyou Sisson Southern Trail Spring [Canadian] Sisson Southern Trail Spring; Mount Shasta 1981 Comment
  CAS-BOT-BC390718  Spergularia rubra Doris K. Kildale 1928-7-4 5539 Siskiyou 1 1/2 miles east of summit of divide between Sawyers Bar & Etna Comment
  CAS-BOT-BC390722  Spergularia rubra Annie M. Alexander; Louise Kellogg 1949-7-25 5872 Siskiyou Paradise Lake, Marble Mountains 1920 Comment
  RSA0097341  Spergularia rubra Gilbert Muth 1966-7-14 391 Siskiyou Flat above Marble Valley, Marble Gap Trail, Marble Mountains. 1829 Comment
  UC106129  Sphenosciadium capitellatum Brandegee July 1887 Siskiyou Mt. Shasta Comment
  CAS-BOT-BC149684  Spiraea douglasii Carl B. Wolf 1930-10-22 1754 Siskiyou 1 mile west of Mt. Shasta City 1066 Comment
  CAS-BOT-BC421467  Spiraea splendens W. R. Dudley 1903-8-4 s.n. Siskiyou Foot of Mt. Eddy Comment
  HSC29134  Spiranthes romanzoffiana Frederick W. Oettinger 1968-8-12 497 Siskiyou Salmon Mountains, Tobacco Lake Trail 1890 Comment
  UC456146  Stachys ajugoides var. rigida I. J. Condit 1911-7-7 Siskiyou Shasta Retreat Comment
  UCLA39900  Stachys ajugoides var. rigida Robert T. Clausen and Harold Trapido 1940-7-26 4958 Siskiyou near Wagon Camp; So. Cascade Mts., Sacramento River Basin, Mt. Shasta 1734 Comment
  UCLA70760  Stachys ajugoides var. rigida C. G. Pringle 1881-8-16 Siskiyou Comment
  RSA237302  Stachys rigida subsp. rivularis Frederick W. Oettinger 1967-6-28 138 Siskiyou On Salmon River near Kelly Gulch. The Salmon Mountains. The High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 613 Comment
  HSC29619  Stellaria crispa Frederick W. Oettinger 1969-8-4 1166 Siskiyou Marble Mtn. Wilderness Area, above inlet to Hancock Lake 1951 Comment
  SEINET12558131 Image available Stellaria crispa Frederick W. Oettinger 1968-1 723 Siskiyou The High Lake Basins in the vicinity of English Peak, Marble Mountain Wilderness Area. Campsite near stream, Hancock Lake. 1951 Comment
  POM101747  Stellaria longipes Geo. D. Butler 1910-6-6 1463 Siskiyou Quartz Valley Comment
  CAS-BOT-BC516469  Stenanthium occidentale John Thomas Howell 1939-8-5 15070 Siskiyou Spirit Lake, Marble Mts. 1828 Comment
  RSA256591  Stenanthium occidentale J. D. Ackerman, A. M. Montalvo 1974-8-17 425 Siskiyou Western slope Preston Peak ca. 0.5 mile north of Rattlesnake Meadow 1646 Comment
  JEPS36850  Stephanomeria lactucina Willis L. Jepson Jul 24 1894-Aug 10 1894 Siskiyou Mt. Shasta, half-way up Region of the Upper Sacramento Comment
  RSA237481  Stephanomeria lactucina Frederick W. Oettinger 1969-8-18 1438 Siskiyou On English Lake trail, below Willow Spring. The Salmon Mtns. High Lake Basins in the vicinity of English Peak. Marble Mtn Wilderness Area. 1677 Comment
  SEINET10603810  Stipa californica A. Arthur Heller 1905-6-1 Heller 7936 Siskiyou Between Upper Soda Spring and Shasta Retreat. Comment
  HSC92551  Stipa occidentalis var. californica Jennifer Whipple 1976-7-14 1475 Siskiyou SE slope of Mount Eddy draining into the N Fork of the Sacramento River 2195 Comment
  HSC13360  Stipa occidentalis var. occidentalis R. C. Wunner 1965-6-22 246 Siskiyou Lava Beds National Monument, Canby Cross. 1220 Comment
  HSC45895  Stipa thurberiana Laura Witherspoon 1978-7-13 36 Siskiyou Klamath Natl. Forest W of Tennant Rd. Comment
  SD98975  Stipa thurberiana Darley F. Howe 1977-7-5 4996 Siskiyou 15 miles southeast of Granada. 1219 Comment
  CHSC554  Streptanthus polygaloides G. Spurlock 1935-6-1 Siskiyou 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
  UC137033  Streptanthus tortuosus var. orbiculatus Dr. E. B. Copeland 1903-8-15 3915 Siskiyou Mt. Shasta 2346 Comment
  UC137034  Streptanthus tortuosus var. orbiculatus J. W. Congdon 1900-8-13 Siskiyou Shasta Comment
  UC70401  Streptanthus tortuosus var. orbiculatus Milo S. Baker 1899-7-31 Siskiyou above Warren and Anderson's Mill; Mt. Shasta, Ash Creek Comment
  UC856775  Streptanthus tortuosus var. orbiculatus A. A. Heller 1916-6-23 12433 Siskiyou near Black Butte (n of Sisson) 1127 Comment
  SBBG2585  Streptanthus tortuosus var. pallidus H. and M. Dearing 1939-7-1 3780 Siskiyou Salmon Mtn 1828 Comment
  HSC58949  Streptopus amplexifolius Marvin Butler 1971-7-9 79 Siskiyou Near El Capitan 1464 Comment
  UC1540179  Suaeda calceoliformis Dean W. Taylor 1987-8-9 9290 Siskiyou 8.3 mi w Highway 139 (along Highway 161 (Oregon border)); Lower Klamath National Wildlife Refuge 1249 Comment
  RSA238303  Suksdorfia ranunculifolia Frederick W. Oettinger 1969-7-13 998 Siskiyou Meadow north of Upper English Lake. The Salmon Mountains, the High Lake Basins in the vicinity of English Peak, Marble Mountain Wilderness Area. 1921 Comment
  UC1539987  Swertia albicaulis M. Mitchell 1936-5-21 40 Siskiyou 0.6 mi sw Fleener Chimney; Lava Beds National Monument 1402 Comment
  UC180106 Image available Swertia albicaulis var. albicaulis H. M. Hall and E. B. Babcock 1903-6-17 4113 Siskiyou near Sheep Rock; Sierra Nevada Mountains, Mount Shasta; near Sheep Rock, Mt. Shasta, Siskiyou Co. 1524 Comment
  UC576572  Swertia albicaulis var. nitida L. Constance 1928-6-10 Siskiyou near Dunsmuir Comment
  HSC76697  Swertia radiata K. T. Stillman 1976-7-8 200 Siskiyou Marble Mtn. Wilderness Area 1829 Comment
  HSC27010  Symphoricarpos albus var. laevigatus J. P. Smith, J. O. Sawyer 1972-9-13 5778 Siskiyou 0.5 mi. W of Cook and Green Pass on rd. to Lily Pad Lake. Comment
  HSC36654  Symphoricarpos albus var. laevigatus Brent Whitely 1975-7-11 155 Siskiyou 235 Comment
  JEPS95607  Symphoricarpos albus var. laevigatus Vernon H. Oswald and L. Ahart 1994-8-10 6460 Siskiyou T40N R2E SW1/4 NW1/4 Sec. 18, 4460 ft, Yellow Pine Forest. FS 40N39 at Stillwater Meadows on Bartle Creek, ca. 0.5 mi W of Harris Spring Rd. (FS15), ca. 4 mi (air) NNE of Bartle 1359 Comment
  CAS-BOT-BC234782  Symphoricarpos mollis H. A. Thomas; J. H. Thomas 1954-7-22 4447 B 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
  POM67558  Symphoricarpos vaccinioides Edward Palmer 1892-7-13 2560 Siskiyou Mt. Shasta and vicinity. Comment
  CAS-BOT-BC97580  Symphyotrichum ascendens W. R. Dudley 1899-8-13 s.n. Siskiyou Nabar Meadows, near McCloud Comment
  CAS-BOT-BC97581  Symphyotrichum ascendens A. A. Heller 1914-8-26 11713 Siskiyou near Deetz Station near/opposite Black Butte 1158 Comment
  JEPS40846  Symphyotrichum bracteolatum Geo. D. Butler 1908-8-11 291 Siskiyou Shackleford Creek Comment
  HSC30275  Symphyotrichum bracteolatum William J. Ferlatte 1971-9-18 1372 Siskiyou Big Flat near public campground 1524 Comment
  HSC61494  Symphyotrichum foliaceum Ruby Van Deventer 1939-7-18 Siskiyou Kelley Lake and Kelley Lake Trail Comment
  SBBG25841  Symphyotrichum foliaceum D. Myrick 1966-8-9 1509 Siskiyou Mountain Meadow Ranch, Big Flat 1524 Comment
  HSC78313  Symphyotrichum hendersonii L. P. Janeway 1983-8-6 488 Siskiyou Poker Flat, upper part of lower portion of meadow 1524 Comment
  UC76034  Symphyotrichum spathulatum Milo S. Baker 1899-7-18 Siskiyou near, on Sacramento River (e slope of Mt. Shasta) Sissons; Mt. Shasta Comment
  HSC72274  Symphyotrichum spathulatum var. spathulatum J. P. Smith, J. O. Sawyer, Jane Sawyer, Kevin Sawyer 1976-9-5 8969 Siskiyou Hwy 3, 2.5 mi. N of Siskiyou-Trinity County line Comment
  OBI55527  Symphyotrichum spathulatum var. yosemitanum David J. Keil, Kathleen Keil 1992-7-21 23518 Siskiyou Klamath NF SE of Callahan on hwy 3, 2.1 mi NW of Scott Mtn summit Comment
  CAS-BOT-BC81342  Taxus brevifolia Geo. B. Grant 1902-9-1 1281 Siskiyou Dunsmuir Comment
  HSC44883  Taxus brevifolia Maralyn O'Meara 1974-5-25 393 Siskiyou Along road to Duck Lakes trail 1402 Comment
  UC60897  Taxus brevifolia W. A. Setchell, C. C. Dobie 1902-7-22 Siskiyou The Bend Mount Shasta, McCloud River (McCloud River) Comment
  CAS-BOT-BC447416  Tellima grandiflora Wm. F. Herrin 1920-5-1 s.n. Siskiyou Shasta Springs Comment
  HSC69571  Tellima grandiflora Maralyn A. Renner 1980-8-6 2266 Siskiyou FS Rd. 40S07 crossing of Louse Creek 1127 Comment
  HSC77035  Thalictrum fendleri K. T. Stillman 1976-6-17 15 Siskiyou Marble Mountain Wilderness Area, head of Elk Valley 1768 Comment
  CAS-BOT-BC88062  Thelypodium brachycarpum A. A. Heller 1905-6-9 8011 Siskiyou Montague. Comment
  UC1560409  Thelypodium flexuosum E. Joyal and D. Mehlman 1988-6-25 1278 Siskiyou Happy Camp-Takilma road at turn-off to Bolan Lake 1524 Comment
Read comments
Jan 14 2009
  CAS-BOT-BC88080  Thelypodium flexuosum Dorothy Parker 1948-6-22 26 Siskiyou Shore line of lower Klamath Lake. 1280 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
  RSA17457  Thelypodium flexuosum Elmer I. Applegate 1935-6-2 9286 a Siskiyou Frenner s ranch, near north boundary of Lava Beds National Monument. Comment
  UC1440269  Thelypteris nevadensis L. L. Kiefer 1963-8-7 765 Siskiyou nw Happy Camp (Indian Creek Rd. to Baldy Mt.) 1219 Comment
  SJSU6502  Thermopsis macrophylla R. W. Trivelpiece 1972-6-18 126 Siskiyou 3 mi W of Klamath R, c. 12 mi SW of Happy Camp 944 Comment
  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
  CHSC86664  Thlaspi arvense Jenny Marr 1993-7-1 47 Siskiyou Butte Valley Wildlife Area, +/- 7 air miles NW of the town of MacDoel. Meadow NW of Meiss Lake. 1349 Comment
  UC375348  Thlaspi arvense Geo. D. Butler 1909-4-21 1108 Siskiyou near Yreka; near Yreka Comment
  CHSC30904  Thlaspi montanum var. montanum M. S. Taylor 1980-7-8 3097 Siskiyou S end of Little Castle Lake, in cliffs. 1767 Comment
  JEPS74511  Tofieldia occidentalis subsp. occidentalis W. J. Ferlatte 1966-8-16 369 Siskiyou Big Flat Hillside Trinity Alps 1524 Comment
  JEPS49716  Tolmiea diplomenziesii W. L. Jepson 1907-7-19 2940 Siskiyou Happy Camp Trail Siskiyou Mts. (headwaters of Indian Creek) 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
  CDA7717  Tragopogon dubius T. C. Fuller 1958-6-19 1800 Siskiyou Tom Williams property, 4 miles northeast of Montague. 0 Comment
  SFV5156  Tragopogon dubius B. C. Templeton 1960-6-21 8525 a Siskiyou Between the agricultural Experiment Station and the California state line._x000B_Grassy hillside. Comment
  CAS-BOT-BC519565  Triantha occidentalis subsp. occidentalis W. R. Dudley 1907-8-18 s.n. Siskiyou Near Jackson lake Comment
  SEINET4856146  Trichostema lanatum E. B. Copeland 1903-7-2 3534 Siskiyou Klamathon. Comment
  UC163995  Trichostema lanceolatum Geo. D. Butler 1910-7-28 1793 Siskiyou near Yreka Comment
  UCLA54787  Trichostema lanceolatum Edward Lee 1934-8-12 1047 Siskiyou Klamath River, S bank 1/4 mi W of Walker Creek (between Hamburg and Seiad Valley) North Coast Range 426 Comment
  SEINET10700113 Image available Trichostema simulatum Edwin B. Copel 1903-7-2 Copeland 3534 Siskiyou Klamathon. In bed of a dry run. Comment
  HSC68358  Trientalis latifolia J. P. Smith 1973-5-5 6508 Siskiyou Along Cook and Green Pass Rd. Comment
  POM27526  Trifolium eriocephalum subsp. eriocephalum Geo. D. Butler 1910-6-6 1457 Siskiyou Quartz Valley Comment
  POM208365  Trifolium eriocephalum subsp. eriocephalum Louis C. Wheeler 2677 Siskiyou North Hungry Creek 1311 Comment
  HSC61930  Trifolium howellii Ruby Van Deventer 1939-7-18 Siskiyou Poker Flat 1585 Comment
  UC375415  Trifolium hybridum Geo. D. Butler 1908-7-2 382 Siskiyou near Yreka Comment
  RSA183650  Trifolium hybridum Gilbert Muth 1965-8-16 228 Siskiyou Marble Valley Comment
  UC866842  Trifolium longipes var. hansenii A. A. Heller 1916-6-20 12402 Siskiyou ne base of mountain Mt. Eddy, Metcalf's Ranch 1188 Comment
  UC52259  Trifolium macrocephalum W. T. Mooney May 1903 Siskiyou Yreka Comment
  POM27531  Trifolium macrocephalum Geo. D. Butler 1909-4-14 639 Siskiyou Yreka. Comment
  UC338051  Trifolium obtusiflorum Lemmon 1889-6-26 Siskiyou Edgewood Comment
  RSA237883  Trifolium repens Frederick W. Oettinger 1969-8-13 1361 Siskiyou Campsite area, English Lake. The High Lake Basins in the vicinity of English Peak Marble Mountain Wilderness Area. 1707 Comment
  JEPS107658  Trifolium retusum Lowell Ahart, John Dittes 2005-6-10 12124 Siskiyou Northeast of the corral, end of Salvadori Road, Nelson Ranch, about 1 1/4 miles (air) south of Highway 99/97 Cutoff, about 5 1/4 miles (air) east-southeast of Grenada 785 Comment
  JEPS75360  Trifolium variegatum Geo. D. Butler 1909-6-5 797 Siskiyou near Yreka (McNutty's field) Comment
  HSC44484  Trifolium willdenovii K. Irwin 1977-5-22 391 Siskiyou On South Fork Salmon River Rd., 4 mi. E of Cecilville Comment
  UC454709  Trifolium willdenovii I. J. Condit 1911-7-31 Siskiyou Shasta Retreat Comment
  POM28037  Trifolium willdenovii Geo. D. Butler 1910-5-8 1313 Siskiyou Near Yreka. Comment
  UC164234  Trifolium wormskioldii Geo. D. Butler 1909-6-26 915 Siskiyou McNutty's Field near Yreka Comment
  SEINET10577454  Trifolium wormskioldii var. wormskioldii Wiegand 1921-8-23 WIEGAND 1389 Siskiyou Marshy subalkaline soil, south of Montague. Comment
  SEINET10829874  Trifolium wormskioldii var. wormskioldii Louis C. Wheeler 1935-6-27 Wheeler 3620 Siskiyou Greenview, Scott Valley. Damp sunny meadow. 884 Comment
  SEINET3151084  Triglochin maritima G. D. Butler 1910-8-21 1846 Siskiyou Shasta Valley Comment
  CAS-BOT-BC520838  Trillium albidum Geo. D. Butler 1910-4-3 1168 Siskiyou Humbug Creek Comment
  CAS-BOT-BC519098  Trillium chloropetalum var. chloropetalum Gilbert Muth 1966-7-8 376 Siskiyou Marble Valley, Marble Mountains 1792 Comment
  HSC69029  Trillium ovatum Maralyn A. Renner 1980-7-28 2184 Siskiyou E spur of Kangaroo Mtn., near ridge 1890 Comment
  SBBG1080  Trillium ovatum K. K. Muller 1954-6-23 646 Siskiyou summit ca. 3.5 mi S of Oregon line on road to Happy Camp, Siskiyou Mtns Comment
  HSC44968  Trillium ovatum subsp. oettingeri J. O. Sawyer 1978-6-20 3273 Siskiyou Marble Mtn. Wilderness Area, Hamilton Camp 1829 Comment
  UCD82887  Tripleurospermum Steve Orloff 2009-10-1 s. n. Siskiyou Siskiyou County. Comment
  HSC27037  Trisetum canescens J. P. Smith, J. O. Sawyer 1972-9-14 5814 Siskiyou Trail to Little Duck Lake 1829 Comment
  POM207179  Trisetum canescens E. B. Copeland 1903-9-7 3794 Siskiyou Mt. Eddy. 2744 Comment
Read comments
Jan 23 2011
  CAS-BOT-BC200266  Trisetum spicatum Alice Eastwood 1921-7-28 10910 Siskiyou Medicine Lake Comment
  HSC18979  Trisetum spicatum J. O. Sawyer 1969-7-2 1004 Siskiyou E of Twin Lakes 2195 Comment
  UCD93669  Trisetum spicatum Beecher Crampton 1956-8-22 3854 Siskiyou Panther Meadow, south slope of Mt. Shasta. 2316 Comment
  UC535957  Trisetum wolfii Elmer I. Applegate 1923-8-17 3835 Siskiyou Medicine Lake Comment
  CAS-BOT-BC133484  Triteleia crocea Geo. D. Butler 1910-5-5 1287 Siskiyou Humbug Mt. Comment
  CHSC2079  Triteleia hyacinthina M. Yoder 1941-7-21 Siskiyou Castle Lake. 1981 Comment
  CAS-BOT-BC522336  Triteleia hyacinthina Alice Eastwood 1912-7-22 1311 Siskiyou Sisson Comment
  CAS-BOT-BC522340  Triteleia hyacinthina W. R. Dudley 1893-6-21 s.n. Siskiyou Peter Klink's Meadow Comment
  HSC30441  Triteleia hyacinthina Frederick W. Oettinger 1969-8-18 1415 Siskiyou Marble Mtn. Wilderness Area, trail to Horse Range Lake 1768 Comment
  SEINET8506392  Triteleia ixioides J. F. Sloan 1959-4-26 s.n. Siskiyou 20 miles S of Weed and 1 mile E toward Mt. Shasta. 1676 Comment
  UC1177938  Triteleia ixioides subsp. anilina Francia Chisaki and Gene B. Newcomb 1958-6-21 1151 Siskiyou on road to ice caves n McCloud; Squaw Valley Creek 1158 Comment
  UC454044  Triteleia ixioides subsp. anilina I. J. Condit 1911-7-27 Siskiyou Castle Lake 1981 Comment
  HSC44884  Tsuga mertensiana Maralyn O'Meara 1974-5-25 391 Siskiyou Along road to Duck Lakes trail 1402 Comment
  CAS-BOT-BC74093  Turritis glabra Alice Eastwood 1921-7-25 10851 Siskiyou Bigelows, McCloud River. Comment
  HSC36687  Umbellularia californica Brent Whitely 1975-6-20 4 Siskiyou 223 Comment
  JEPS117566  Urtica dioica subsp. gracilis Lowell Ahart, John Dittes 2010-7-30 16961 Siskiyou On the south bank of the Shasta River, about 1 yard east of the East Louie Road Bridge, Shasta Big Springs Ranch, 1.6 miles (air) southwest of Big Springs Lake, 4.6 miles (air) northwest of Dwinnel Dam, 5.7 miles (air) southeast of Grenada 716 Comment
  CAS-BOT-BC404216  Urtica dioica subsp. holosericea Geo. D. Butler 1910-6-30 1616 Siskiyou Yreka Creek Comment
  HSC18967  Vaccinium cespitosum J. O. Sawyer 1969-7-24 1500 Siskiyou NE facing seep SW of Sugar Lake 1890 Comment
  HSC19105  Vaccinium cespitosum J. O. Sawyer 1969-8-1 1614 Siskiyou Horseshoe Lake 2073 Comment
  HSC761  Vaccinium cespitosum William J. Ferlatte 1966-7-7 205 Siskiyou Caribou Basin 1982 Comment
  HSC7905  Vaccinium ovatum Wm. F. Bowman 1968-10-12 Siskiyou Sugar Creek Rd. 1524 Comment
  CAS-BOT-BC199488  Vaccinium scoparium Wayne Roderick 1967-9-1 s.n. Siskiyou Between Cedar and Cliff lakes 1828 Comment
  JEPS91237  Vaccinium scoparium Dean W. Taylor 1972-7-3 1612 Siskiyou Salmon Mountains, near Little Duck Lake 1981 Comment
  SJSU6546  Vaccinium scoparium R. W. Trivelpiece 1973-6-21 152 Siskiyou Big Duck L, Scott R drainage c. 7.5 mi W of Callahan 2042 Comment
  UC1408885  Vaccinium uliginosum subsp. occidentale F. W. Oettinger 1969-8-23 1512 Siskiyou Smith Lake, w Siskiyou County Salmon Mountains 1417 Comment
  SEINET208830 Image available Vahlodea atropurpurea J. M. Fleschner, R Pemble 1966-9-5 Siskiyou Along trail from Marble Mt. to Sky High Lake E of Marble Mt. Marble Mt. 1975 Comment
  UCD95095  Vancouveria hexandra J. M. Tucker; D. V. Hemphill 1974-7-26 4294 Siskiyou Let 'Er Buck Meadows, 0.5 mile east of Haypress Meadows, Marble Mountain Wilderness Area. 1432 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
  HSC44854  Veratrum californicum var. californicum J. P. Smith, Steve Selva 1970-6-16 4029 Siskiyou 4 mi. from Hwy. 3 on Rd. 8 to Sugar Creek. 1159 Comment
  UC1187637  Veratrum insolitum Lincoln Constance, Rimo Bacigalupi, and Lawrence R. Heckard 1960-7-21 3692 Siskiyou Callahan Road 13 mi e Cecilville; Salmon Mountains 1371 Comment
  HSC36207  Veratrum viride John Rehling 1975-8-11 103 Siskiyou S end of Little Duck Lake Comment
  HSC96886  Veratrum viride Gordon Leppig 1997-8-23 671 Siskiyou Russian Wilderness, Little Duck Lake Fen 2200 Comment
  UC1174940  Veratrum viride P. C. Everett and E. K. Balls 1959-10-23 23940 Siskiyou 4 mi sw from Etna (on road from Callaban to Somesbar); Salmon Mountains 1676 Comment
  POM128338  Veronica alpina var. alterniflora M. S. Baker 1898-8-1 489 Siskiyou Medicine Lake. Comment
  RSA256600  Veronica alpina var. alterniflora J. P. Smith 1974-5-25 7467 Siskiyou Along road 8, 4.7 mi. west of its junction with State Route 3. 1159 Comment
  JEPS25767  Veronica americana Rimo Bacigalupi with L. Constance and L. Heckard 1960-7-20 7467 Siskiyou at edge of Twin Valley Meadows Twin Valley Meadows; Siskiyou Mountains, Twin Valley Meadows 1524 Comment
  UC455534  Veronica americana I. J. Condit 1909-8-22 Siskiyou Sisson Comment
  CAS-BOT-BC238136  Veronica copelandii Alice Eastwood 1912-8-30 2003 Siskiyou Mount Eddy Comment
  HSC66250  Veronica copelandii Maralyn A. Renner 1980-8-21 2589 Siskiyou SW of trail from Leroy Mine to Sunrise Basin near ridge 2287 Comment
  RSA0006256  Veronica copelandii E. B. Copeland 1903-8-18 3931 Siskiyou Mount Eddy. 1677 Comment
  CHSC91231  Veronica peregrina subsp. xalapensis Lowell Ahart; John Dittes 2005-6-10 12059 Siskiyou In a depression, near a poor dirt road, about 80 yards north of the pump house along the Shasta River, about 1.9 miles (air) south of Highway 99/97 Cutoff, about 6 miles (air) east-southeast of Grenada. 776 Comment
  JEPS16473  Veronica peregrina subsp. xalapensis Geo. D. Butler 1909-5-2 692 Siskiyou Yreka Comment
  UC1026906  Veronica peregrina subsp. xalapensis W. Bridge Cooke 1940-6-6 15081 A Siskiyou near the outlet of Castle Lake 1676 Comment
  POM215849  Veronica persica Louis C. Wheeler 1935-4-17 3425 Siskiyou Greenhorn Creek, Siskiyou Mtns. (Mt. Diablo Mer.) 1006 Comment
  UC917285  Veronica wormskjoldii R. Tofsrud and J. M. Tucker 1948-8-2 1769 Siskiyou Panther Meadows, s slope of Mount Shasta Panther Meadows; Mount Shasta, Panther Meadows 2407 Comment
  HSC15245  Vicia americana var. americana D. M. Thomson 1965-6-19 94 Siskiyou Lava Beds National Monument, Captain Jacks Stronghold Comment
  JEPS66123  Vicia americana var. americana W. L. Jepson Jul 1894 13604 Siskiyou Sisson Comment
  NY50660  Vicia pumila A. A. Heller 1905-6-1 7938 Siskiyou Between Upper Soda Spring and Shasta Retreat Comment
  UC796573  Vicia villosa subsp. villosa Roxana S. Ferris and Laura Lorraine Jun 12 1948-Jun 16 1948 11722 Siskiyou w of Callahan (French Creek Logging Road) 1066 Comment
  UC1333323  Vicia villosa subsp. villosa Dorothy Parker 1949-7-3 328 Siskiyou Scott Valley 914 Comment
  UC1762590  Viola Harley P. Chandler Jun 1901 1688 Siskiyou Marble Mountain North Coast Ranges 2438 Comment
  CAS-BOT-BC270237  Viola adunca Doris K. Kildale 1929-4-27 7852 Siskiyou Cecilville, upper S fork of Salmon River Comment
  HSC33964  Viola adunca J. P. Smith 1974-5-25 7464 Siskiyou Along Rd. 8, 4.7 mi. W of its junction with Hwy. 3 1159 Comment
  RSA238802  Viola adunca Frederick W. Oettinger 1969-8-24 1534 Siskiy