Search Results — 2000 specimen records retrieved (1370 records with coordinates)
(That's the default maximum. Contact Jason Alexander for larger data requests.)

Results for search: County=SISKIYOU; Source=All;   

Mapping Options:

BerkeleyMapper with county and bioregion layers
BerkeleyMapper without layers.
KML export
(Note: only records with coordinates are mappable)

Download Options:
Select all records · Select records with coordinates

Include annotations and voucher information

PLEASE NOTE: Due to changes in newer versions of Excel, directly copying text from the above selected results does not produce a usable table.
    Follow these steps:
      1. The contents of the selected results window must be copied into a text editor like TextEdit for Mac or WordPad for Windows
      2. The selected results must be saved as a new text document.
      3. This new text document can now be copied into Excel or imported as a tab delimited text file.

(For large data reqests, please contact Jason Alexander, jason_alexander@berkeley.edu.)

 Please cite data retrieved from this page: Data provided by the participants of the Consortium of California Herbaria (ucjeps.berkeley.edu/cch_archive/).
 Records are made available under the CCH Data Use Terms.

Click on column header to sort data (* sorts by family); click in leftmost checkbox to select record. CCH Help Page.
Turn on yellow flags to show possible range discrepancies. Read more ...
? Specimen ID Determination * Collector Collection Date Collection Number County Locality Elevation in meters Feedback
  HSC69269  Abies X shastensis John Palmer 1980-7-24 640 Siskiyou Dillon Divide 1707 Comment
  UC1319592  Abies amabilis James B. Roof, Irja Knight September 1948 Siskiyou n side of divide between head of North Fork of Salmon River and head of Hancock Creek; Salmon Mountains, Hancock Lake 2133 Comment
  UC401379  Abies concolor Geo. D. Butler 1908-8-3 228 Siskiyou Log Lake Shackleford Creek, Log Lake Comment
  HSC68328  Abies magnifica Maralyn A. Renner 1980-6-26 1243 Siskiyou SE edge of Flint Valley. 1390 Comment
  UC401385  Abies magnifica var. magnifica Annie M. Alexander and L. Kellogg 1911-6-20 160 Siskiyou Jackson L. Jackson Lake 1798 Comment
  SD76204  Abies magnifica var. shastensis Helen V. Witham 1969-10-9 640 Siskiyou Mount Shasta, in area signed Red Fir Forest 2100 Comment
Read comments
Jul 10 2010
  SBBG133154  Abies magnifica var. shastensis B. C. Templeton 1968-6-13 11330 Siskiyou rd to Castle Lake, ca. 7 mi SW of Mt Shasta 2073 Comment
  SEINET3111501  Acer circinatum Steve Selva, Roger Jensen 1974-8-22 33 Siskiyou Along trail from Doe Flat campground to Buck Lake. Comment
  UC61063  Acer circinatum W. A. Setchell, C. C. Dobie 1902-7-22 Siskiyou Hearst Castle Comment
  CAS-BOT-BC331015  Acer glabrum var. glabrum Doris K. Kildale 1928-7-2 5339 Siskiyou Salmon Summit via Horn Creek trail 1981 Comment
  CAS-BOT-BC331043  Acer glabrum var. glabrum Edna Kelsey 1961-8-1 s.n. Siskiyou Marble Mts., Shackleford Trail below Bull Meadow Comment
  HSC672  Acer glabrum var. torreyi William J. Ferlatte 1967-7-9 689 Siskiyou Kidd Creek 1890 Comment
  RSA237823  Acer glabrum var. torreyi Frederick W. Oettinger, Robert F. Thorne 1969-8-5 1206 Siskiyou Slope at Willow Springs, along the trail between Abbots Upper Cabin and English Lake. Salmon Mtns. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1677 Comment
  RSA29662  Acer glabrum var. torreyi Louis C. Wheeler 1935-6-27 3598 Siskiyou Head of Etna Creek, Marble Mountains. 1799 Comment
  CAS-BOT-BC18869  Achillea millefolium William Bridge Cooke 1939-8-10 13873 Siskiyou Mount Shasta, on upper flats along the Mud Creek Canyon on its west side. 2895 Comment
  HSC22300  Achillea millefolium J. O. Sawyer 1969-8-1 1641 Siskiyou SE facing slope above Duck Lake Creek 1951 Comment
  UC61076  Achillea millefolium W. A. Setchell, C. C. Dobie 1902-7-17 Siskiyou Sisson; Mount Shasta Comment
  CAS-BOT-BC18874  Achillea millefolium Elmer I. Applegate 1935-6-6 9353 Siskiyou Near and south of Indian Well, Lava Beds National Monument Comment
  HSC30339  Achillea millefolium Dale R. Gradek 1974-5-25 47 Siskiyou On Road Eight, 0.9 miles from junction with Hwy. 3 Comment
  UCD128359  Achillea millefolium P. Quentin Tomich 1954-6-20 421 Siskiyou southeast entrance of Lava Beds National Monument. 1341 Comment
  NY149875  Achillea pacifica A. A. Heller 1905-6-19 8067 Siskiyou Grenada Comment
  RSA237254  Achlys triphylla Frederick W. Oettinger 1967-6-28 133 Siskiyou Kelly Gulch (tributary to Salmon River). The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 616 Comment
  RSA577538  Achnatherum lemmonii var. lemmonii L. C. Wheeler 1935-5-11 3480 Siskiyou Klamath River at Ash Creek; Siskiyou Mountains. 610 Comment
  CAS-BOT-BC216930  Achnatherum occidentale Ralph K. Gierisch 1968-8-6 3362 Siskiyou Elk Flat, Shasta-Trinity forest 1310 Comment
  UCD50984  Achnatherum occidentale H. S. Yates 1936-6-21 5827 Siskiyou N base of Wintoon Butte. 1219 Comment
  RSA238979  Achnatherum occidentale subsp. californicum Frederick W. Oettinger 1968-8-8 454 -a Siskiyou Crapo Meadow near Tom Taylor Cabin. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2027 Comment
  RSA238981  Achnatherum occidentale subsp. californicum Frederick W. Oettinger 1968-9-6 744 -a Siskiyou Tom's Lake region, Edge of Bear Meadow . The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2188 Comment
  UCD51031  Achnatherum occidentale subsp. californicum H. S. Yates 1936-6-4 5837 Siskiyou 1 mile S.W. of Signal Butte. 1341 Comment
  CHSC71581  Acmispon americanus var. americanus Vernon H. Oswald; Lowell Ahart 1998-8-3 9415 Siskiyou Kangaroo Lake Rd. (USFS 41N08) 3.9 mi southeast of Gazelle-Callahan Rd. at its intersection with USFS 41N10. Roadside. 1554 Comment
  UCD103801  Acmispon americanus var. americanus A. A. Heller 1915-7-18 12110 Siskiyou Metcalf's ranch, northeast base of Mt. Eddy. 1188 Comment
  HSC22293  Aconitum columbianum subsp. columbianum J. O. Sawyer 1969-7-24 1519 Siskiyou W of Sugar Lake 1890 Comment
  RSA68899  Aconitum columbianum var. columbianum A. E. Culbertson 1943-7-12 58 Siskiyou Castle Lake, in a north facing cirque with a abrupt 1000' backwall; 14 miles SW of Mt. Shasta on N side of a 6600' eastern spur of Trinity Mts.; 2000 ft. above Sacramento R. within 10 air miles of its headwaters to the west. 1657 Comment
  CAS-BOT-BC412907  Aconogonon davisiae K. T. Stillman 1976-6-25 93 Siskiyou Marble Mountain Wilderness Area. Between Marble Gap & Elk Valley trail Comment
  HSC27338  Aconogonon davisiae J. P. Smith, J. O. Sawyer, Maralyn O'Meara 1972-7-3 5706 Siskiyou E slope of Kangaroo Mtn., above Toehead Lake. 1890 Comment
  HSC30483  Aconogonon davisiae Frederick W. Oettinger 1968-8-4 396 Siskiyou Vicinity of English Peak, Marble Mountain Wilderness Area; Crapo Peak Ridge trail break 2195 Comment
  CAS-BOT-BC418813  Aconogonon phytolaccifolium Annie M. Alexander; Louise Kellogg 1949-7-19 5808 Siskiyou Paradise Lake, Marble Mountains 1920 Comment
  HSC61828  Aconogonon phytolaccifolium Ruby Van Deventer 1937-7-14 Siskiyou Poker Flat 1585 Comment
  RSA68866  Actaea rubra subsp. arguta A. E. Culbertson 1943-6-23 90 Siskiyou Along east shore of Castle Lake, 14 miles southwest of Mt. Shasta, above Sacamento River within 10 miles of its headwaters to the west Comment
  CAS-BOT-BC29321  Adenocaulon bicolor A. A. Heller 1916-8-24 12558 Siskiyou Near Sisson 1074 Comment
  HSC68309  Adiantum aleuticum Maralyn A. Renner 1980-7-4 1418 Siskiyou Clear Creek Trail, N of Trout Camp. 1067 Comment
  UC1949220  Adiantum aleuticum Barbara Ertter 1990-7-14 9313 Siskiyou E side Mt Eddy ca 4 airmiles due W of Mt Shasta City, at streamlet near end of FR 41N53 ca 1 mi N of Morgan Meadows, steep E-facing serpentine hillside Comment
  SD88560  Agastache urticifolia Darley F. Howe 1972-7-6 Siskiyou 1.3 miles south of Oregon state line on road to Happy Camp 1646 Comment
  HSC29324  Agastache urticifolia Frederick W. Oettinger 1968-8-14 515 Siskiyou High Lake Basins near English Peak, Marble Mountain Wilderness Area; on dry margins of 'Bear Meadow', between English Peak Lookout and Tom Taylor Cabin 1997 Comment
  RSA238537  Agastache urticifolia Frederick W. Oettinger 1967-8-13 265 Siskiyou Mid-way along straight line between English Peak & Tom Taylor Cabin at head of Snow-slide Gulch. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1997 Comment
  HSC76873  Ageratina occidentalis K. T. Stillman 1976-9-9 466 Siskiyou Marble Mountain Wilderness Area, Marble Valley Guard Station. 1738 Comment
  HSC77090  Ageratina occidentalis K. T. Stillman 1976-8-7 362 Siskiyou Marble Mtn. Wilderness Area, trail to Marble Valley Guard Station Comment
  HSC78375  Agoseris aurantiaca L. P. Janeway 1983-9-11 658 Siskiyou Poker Flat 1524 Comment
  HSC92333  Agoseris aurantiaca Jennifer Whipple 1976-7-24 1555 Siskiyou SW of Dobkins Lake along the drainage into the lake 2256 Comment
  HSC29261  Agoseris aurantiaca Frederick W. Oettinger 1968-8-14 518 Siskiyou Marble Mountain Wilderness area; midway between Tom Taylor Cabin and English Peak Lookout 1997 Comment
  RSA416433  Agoseris grandiflora M. B. Dunkle 1944-7-7 s.n. Siskiyou Deer Creek. 1768 Comment
  CAS-BOT-BC22771  Agoseris heterophylla Elmer I. Applegate 1936-5-19 10322 Siskiyou Lava Beds National Monument, between Indian Wells and Three Sisters. Comment
  HSC67938  Agoseris heterophylla J. P. Smith 1973-5-5 6479 Siskiyou Along Cook and Green Pass Rd. Comment
  CAS-BOT-BC22778  Agoseris heterophylla LeRoy Abrams 1926-7-4 11223 Siskiyou 1 mile west of Shasta City on road to Abrams Lake Comment
  UCD169672  Agrostis exarata Louis C. Wheeler 1934-8-14 3144 Siskiyou White Mountain: east end. 1767 Comment
  UCD52547  Agrostis exarata Beecher Crampton 1956-8-21 3829 Siskiyou 1/2 mile northeast of Gumboot Lake, headwaters of the south fork of the Sacramento River. 1767 Comment
  CHSC88380  Agrostis exarata var. monolepis Jenny Marr 1993-7-1 185 Siskiyou Butte Valley Wildlife Area, +/- 7 air miles NW of the town of MacDoel. Meadow NW of Meiss Lake. 1349 Comment
  JEPS84086  Agrostis idahoensis L. R. Heckard with S. D'Alcamo, J. Hickman, S. Winchester 1986-7-16 6340 Siskiyou ca 7 mi nne Seiad Valley (sw of Cook and Green Pass, ca 0.5 mi se of Red Butte) 1730 Comment
  JEPS84195  Agrostis idahoensis L. R. Heckard with J. Hickman et al. 1986-7-17 6474 Siskiyou ca 5 mi n Seiad Valley (town) (trail up to Kangaroo Peak, s of Lily Pad Lake) 1800 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
  UC922324  Agrostis pallens Annie M. Alexander and Louise Kellogg 1949-7-20 5818 Siskiyou on hill n Paradise Lake; Marble Mountains 1920 Comment
  UCD53186  Agrostis pallens A. H. Murphy 1955-7-29 55 P Siskiyou Clear Lake, Marble Mountains, Klamath National Forest. 1798 Comment
  SEINET5335937  Agrostis pallens G. Butler 1910-7-12 1748 Siskiyou Shackleford Creek 1219 Comment
  CAS-BOT-BC138698  Agrostis scabra Copeland 1903-9-5 3799 Siskiyou Igerna. Comment
  UC1265424  Agrostis stolonifera Frederick W. Oettinger 1968-9-8 790 Siskiyou cliffs s English Lake (vicinity of English Peak); Salmon Mountains, Marble Mountain Wilderness Area, English P 1645 Comment
  UCD53689  Agrostis variabilis Beecher Crampton 1956-8-22 3857 Siskiyou Panther Meadow, south slope of Mt. Shasta. 2316 Comment
  CAS-BOT-BC267064  Alisma W. R. Ernst 1958-8-8 284 Siskiyou Grass Lake area, about 32 miles S of Oregon state line on Highway 97 Comment
  JEPS83010  Allium acuminatum Roger Raiche with Kurt Zadnik 1982-10-14 20807 Siskiyou Forest Service Road 42N17 about 2 mi w Stewart Springs Road; Mt. Eddy area 1219 Comment
  CAS-BOT-BC462378  Allium amplectens Roxana Ferris; Laura Lorraine 1948-6-12 11720 Siskiyou Schoolhouse Hill, Plowman's Valley [Noyes Valley], e. fork of Scott River Comment
  POM110212  Allium amplectens Geo D. Butler s.n. Siskiyou Yreka. Comment
  CHSC31012  Allium anceps M. S. Taylor; J. Prouty 1980-6-25 2965 Siskiyou Grizzly Peak and ridge w of peak, ca. 5 mi due e of Lake McCloud. 1889 Comment
  CAS-BOT-BC462996  Allium bolanderi Volney Rattan 1903-1-1 s.n. Siskiyou Klamath Comment
  JEPS84243  Allium campanulatum L. R. Heckard with S. D'Alcamo, J. Hickman, S. Winchester 1986-7-16 6345 Siskiyou ca. 7 mi nne Seiad Valley (slope e of road, sw of Cook and Green Pass, ca. 1/2 mi se of Red Butte) 1730 Comment
  CAS-BOT-BC469234  Allium falcifolium R. C. Barneby 1954-5-16 11529 Siskiyou 6 miles SW of Yreka 975 Comment
  HSC22206  Allium parvum J. O. Sawyer 1969-6-13 1101 Siskiyou Slope above Little Duck Lake 2134 Comment
  CAS-BOT-BC516177  Allium siskiyouense Dana York 2011-8-13 3068 Siskiyou Marble Mountain Wilderness: Klamath National Forest, 230 m WSW of Black Marble Mountain 2220 Comment
  JEPS96551  Allium siskiyouense Dean W. Taylor 1996-6-19 15757 B Siskiyou Lime Gulch; bordering Shasta Valley (about 15 miles south of Yreka) Comment
  UC803882  Allium validum G. L. Stebbins Jr. with P. Dansereau, C. McMillan, and K. Narayan 1949-8-9 4021 Siskiyou 10 mi w Weed (along Park's Creek, above Stewart Springs); Park's Creek 1219 Comment
  UC843494  Allium validum A. A. Heller 1915-8-26 12233 Siskiyou Mt. Eddy 1828 Comment
  UC21634  Allotropa virgata Harley P. Chandler Jun 1901 1546 Siskiyou Ridges and Meadows near Marble Mountain 1828 Comment
  JEPS58635  Alnus incana subsp. tenuifolia W. L. Jepson 1914-8-13 5795 Siskiyou Sisson; swamps 1097 Comment
  POM166506  Alnus incana subsp. tenuifolia H. P. Chandler 1901-06 1618 Siskiyou Near Marble Mountain 2134 Comment
  HSC65131  Alnus rhombifolia J. P. Smith, Steve Selva 1970-7-16 4408 Siskiyou Beaver Creek Campground. 823 Comment
  CAS-BOT-BC169379  Alnus viridis subsp. sinuata Wm. Bridge Cooke 1939-8-10 13862 Siskiyou around springs on the walls of the Mud Creek Canyon from the Hudsonian to the Transition Zones. Mount Shasta 2133 Comment
  CAS-BOT-BC169381  Alnus viridis subsp. sinuata Doris K. Kildale 1929-7-20 8614 Siskiyou SE spur of Preston Peak 1950 Comment
  CAS-BOT-BC17203  Alyssum alyssoides L. E. Smith 1914-5-6 655 Siskiyou Yreka. Comment
  HSC2909  Amaranthus hybridus D. M. Thomson 1965-7-31 157 Siskiyou Lava Beds National Monument, Telephone Line Rd., by dump. Comment
  HSC27226  Amaranthus powellii J. P. Smith, J. O. Sawyer 1971-9-18 4801 Siskiyou Hwy. 3, between Callahan and Etna at the turnoff to the Proctor Ranch. Comment
  CAS-BOT-BC136714  Amelanchier alnifolia var. pumila R. F. Thorne 1969-8-23 63341 Siskiyou Klamath National Forest, Salmon Mountains, Marble Mountain Wilderness Area, high lake basins in the vicinity of English Peak; Trail to upper English Lake along Salmon River 1159 Comment
  HSC101840  Amelanchier alnifolia var. semiintegrifolia J. P. Smith, J. O. Sawyer, R. J. Cole 2011-5-22 13177 Siskiyou Along the road from Cecilville to Forks of Salmon. 640 Comment
  HSC69428  Amelanchier pallida John Palmer 1980-7-23 568 Siskiyou Past Elbow Springs at end of USFS Rd. 15N19 1220 Comment
  RSA79000  Amelanchier pallida E. K. Balls, Percy C. Everett 1952-10-13 18188 Siskiyou E shore of Castle Lake. 1585 Comment
  SEINET3110844  Amelanchier pallida Steve Selva, Roger Jensen 1974-8-16 7 Siskiyou Above Sugar Lake. Comment
  RSA237667  Amelanchier pumila Frederick W. Oettinger 1968-8-2 362 Siskiyou Meadow S of Diamond Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2012 Comment
  CAS-BOT-BC136903  Amelanchier utahensis L. E. Smith 1913-5-12 s.n. Siskiyou Dunsmuir Comment
  CAS-BOT-BC136916  Amelanchier utahensis Roxana S. Ferris; Laura Lorraine 1948-6-12 11889 Siskiyou Scott Mt. Rd. so. of Callahan 1463 Comment
  UC1483468 Image available Amelanchier utahensis Maralyn A. Renner 1980-8-7 2432 Siskiyou ridge s Preston Peak; Klamath National Forest, Preston Peak Quad. 1950 Comment
Read comments
Dec 20 2007
  RSA0089948  Amsinckia menziesii var. menziesii L. Ahart 2005-6-9 12046 Siskiyou On the east side of a poor rock fence, about 350 yards E of where cattle water in the Shasta River, about 3/5 mile (air) south of Highway 99/97 Cutoff, about 2.5 miles (air) ESE of Grenada. 775 Comment
  JEPS25298  Amsinckia tessellata var. gloriosa Geo. D. Butler 1908-6-23 529 Siskiyou near Yreka (Butler Ranch); Butler Ranch Comment
  POM57101  Anaphalis margaritacea Copeland, Alice Eastwood 1903-8-13 3816 Siskiyou Sisson. [old name for Mount Shasta] Comment
  CAS-BOT-BC391756  Anemone Elizabeth McClintock; Wayne Roderick; Martha Roderick 1967-7-28 s.n. Siskiyou Gumboot Lake, Trinity Mts. 1828 Comment
  CDA24185  Anemone deltoidea T. C. Fuller 1958-6-18 1819 Siskiyou Summit of Siskiyou Mountains along road between Cave Junction & Happy Camp. 0 Comment
  JEPS60505  Anemone deltoidea W. L. Jepson 1907-7-6 2848 Siskiyou near Marble Mtn (ridge near Budahay Valley); Marble Mtn Region Comment
  UC1025127  Anemone deltoidea Douglas Barbe 1955-7-6 135 Siskiyou ne shore Taylor Lake; Klamath Mtns, Salmon Mtns 1950 Comment
  CAS-BOT-BC391858  Anemone drummondii W. R. Dudley 1905-8-4 s.n. Siskiyou Foot and slopes of Mt. Eddy Comment
  HSC4933  Anemone lyallii J. O. Sawyer 1968-6-18 204 Siskiyou Above S Russian Creek, below the Blake's Fork confluence. 1463 Comment
  CAS-BOT-BC391978  Anemone occidentalis A. A. Heller 1915-7-15 12077 Siskiyou Mt. Eddy 2072 Comment
  HSC61188  Anemone occidentalis Al Hobart 1967-8-8 Siskiyou El Capitan Comment
  RSA183708  Angelica tomentosa var. tomentosa Gilbert Muth 1965-8-18 233 Siskiyou Marble Mts.; trail behind Black Mt. Comment
  RSA211191  Angelica tomentosa var. tomentosa William J. Ferlatte 1966-8-3 244 Siskiyou Trinity Alps: Big Flat, wooded area near public camp. 1524 Comment
  JEPS22834  Antennaria geyeri A. A. Heller 1938-7-12 15245 Siskiyou 5 mi n Weed (on Highway 49) 1066 Comment
  HSC45211  Antennaria media J. O. Sawyer, E. Cope 1977-6-20 2964 Siskiyou Behind Devil's Punchbowl 1829 Comment
  JEPS109705  Antennaria media subsp. media Dean W. Taylor 2002-7-20 18267 Siskiyou The Eddys, Pacific Crest Trail ca. 0.5 mile North of Forest Road 17 2103 Comment
  CAS-BOT-BC84794  Antennaria racemosa G. L. Stebbins 1972-7-3 9006 Siskiyou Summit of Cook and Green Pass, 8 miles north of Seiad Valley 1463 Comment
  JEPS94255  Antennaria rosea subsp. rosea Vernon H. Oswald and Lowell Ahart 1998-6-11 9210 Siskiyou 22 air mi ne of Weed (9 air mi e of Grass Lake located on Highway 97, Old State Highway 0.1 mi e of Tennant Road) 1402 Comment
  RSA416838  Anthemis cotula Mr Chadwick, Chadwick 1911-07 1931 Siskiyou Shasta Springs. Comment
  CDA6273  Antirrhinum majus T. C. Fuller 1965-6-1 13584 Siskiyou East side of Highway 99 just south of Dunsmuir exit, Dunsmuir. 0 Comment
  POM15415  Antirrhinum vexillocalyculatum subsp. breweri Geo. D. Butler 1910-6-17 1569 Siskiyou Humbug Mountain. 1067 Comment
  CHSC71338  Apera interrupta Vernon H. Oswald; Mike Dolan, Beth Corbin 1998-6-27 9243 Siskiyou Big Tableland at the southwest edge of the Lower Klamath National Wildlife Refuge. 1353 Comment
  UCR47855  Apocynum androsaemifolium Steve Morgan 1987-7-28 s.n. Siskiyou Sierra Nevada Mtns, McGinnis Springs, 5 mi NW of McCloud, Shasta-Trinity National Forest, south of Mt. Shasta 1768 Comment
  RSA127723  Apocynum androsaemifolium subsp. pumilum H. A. Thomas, John Thomas 1954-7-25 4519 Siskiyou Salmon Trinity Mts, Vicinity of Rush Lake and Rush Creek Meadow, 9 miles E of Cecilville. 1829 Comment
  RSA120890  Apocynum androsaemifolium subsp. pumilum G. D. Barbe 1957-7-13 381 Siskiyou Big Flat Public Camp, Klamath National Forest. 1524 Comment
  CAS-BOT-BC395148  Aquilegia formosa Alice Eastwood 1912-7-16 1128 Siskiyou McCloud Comment
  UC166055  Aquilegia formosa Geo. D. Butler 1910-6-17 1576 Siskiyou Humbug Mountain 1219 Comment
  HSC69025  Aquilegia formosa var. formosa Maralyn A. Renner 1980-7-28 2192 Siskiyou E spur of Kangaroo Mtn., near ridge 1890 Comment
  HSC69383  Aquilegia formosa var. formosa Maralyn A. Renner 1980-7-24 1954 Siskiyou Pacific Crest Trail above Lily Pad Lake. 1799 Comment
  RSA12588  Aquilegia formosa var. truncata Carl B. Wolf 1934-7-6 5998 Siskiyou 4.7 miles from Mt. Shasta City on Wagon Camp Road, SW slope of Mt. Shasta 1220 Comment
  RSA211137  Aquilegia formosa var. truncata William J. Ferlatte 1966-8-17 392 Siskiyou Caribou Basin; Trinity Alps. 1982 Comment
  HSC46810  Arabis breweri var. breweri William J. Ferlatte 1974-7-15 1544 Siskiyou Grouse Ridge along Trinity Co. line, 100 yds. N of Dorleska Summit 2134 Comment
  RSA52143  Arabis eschscholtziana Dorothy Parker 1948-6-14 s.n. Siskiyou Rail Creek, Plowman s Valley 1204 Comment
  HSC62590  Arabis glabra Ruby Van Deventer 1960-7-7 Siskiyou Youngs Valley Comment
  RSA0125834  Arabis glabra S. O. Mattoon, Alva Hansen 1978-6-16 32 Siskiyou S-facing flank of Scott Bar Mountains, McKinney Creek Canyon; 6 miles S of Klamath River at Oak Knoll R[anger].S[tation]. Comment
  UC166148  Arabis holboellii Geo. D. Butler 1910-7-5 1505 Siskiyou Shackleford Creek Comment
  SEINET193230  Arabis holboellii var. pinetorum Lincoln Constance, Reed C. Rollins 1942-5-13 2914 Siskiyou Scott River 10 miles southwest of Scott Bar. 610 Comment
  HSC29175  Arabis holboellii var. retrofracta Frederick W. Oettinger 1969-7-10 961 Siskiyou Marble Mtn. Wilderness Area, SW of Upper English Lake 1921 Comment
  POM94627  Arabis holboellii var. retrofracta Geo. D. Butler 1910-7-12 1763 Siskiyou Shackleford Creek. 1372 Comment
  UC673130  Arabis modesta Lincoln Constance and Reed C. Rollins 1942-5-13 2915 Siskiyou 10 mi sw Scott Bar; Klamath-Siskiyou Region, Scott River 609 Comment
  UC673139  Arabis modesta Lincoln Constance and Reed C. Rollins 1942-5-13 2907 Siskiyou 4 mi e Seiad; Klamath-Siskiyou Region, Klamath River 457 Comment
  UC1483491  Arabis oregana Maralyn A. Renner 1980-6-22 897 Siskiyou slopes n Little Shasta River; Klamath National Forest, Copco Quad. 1371 Comment
  HSC22084  Arabis platysperma J. O. Sawyer 1969-7-25 1543 Siskiyou SW facing upper slope above Sugar Lake 2210 Comment
  HSC27307  Arabis platysperma J. P. Smith, J. O. Sawyer 1971-9-16 4770 Siskiyou Ridge S of Bingham Lake. 2134 Comment
  HSC90602  Arabis platysperma Jennifer Whipple 1976-9-4 1806 Siskiyou Dale Creek drainage on the N face of Mount Eddy. 2195 Comment
  RSA0129805  Arabis platysperma P. A. Munz 1960-8-22 24191 Siskiyou Panther Meadows, Mt. Shasta. 2530 Comment
  UC165311  Arabis sparsiflora Geo. D. Butler 1910-5-21 1382 Siskiyou Klamath hills Klamath Comment
  HSC44491  Arabis subpinnatifida K. Irwin 1977-5-21 378 Siskiyou Hayden, 1 mi. W of Scott Mtn., E of Rd. 40N08 Comment
  HSC90610  Arabis suffrutescens Jennifer Whipple 1976-6-17 1020 Siskiyou N face of Mount Eddy 2134 Comment
  RSA78833  Arabis suffrutescens P. A. Munz 1952-7-2 17911 Siskiyou Ridge west of Baldy Mt. L. O., 6 mi. by air west of Happy Camp. Siskiyou Mts. 1768 Comment
  JEPS48632  Aralia californica Geo. D. Butler 1908-8-24 457 Siskiyou Russian Creek, Eldredge's Corral 1219 Comment
  SEINET2116925  Arceuthobium tsugense subsp. mertensianae R. L. Mathiasen, C. M. Daugherty 2004-9-12 2004 -32 Siskiyou Eaton Lake. Russian Wilderness Area 2000 Comment
  CAS-BOT-BC39992  Arctostaphylos nevadensis Alice Eastwood 1921-7-29 10987 Siskiyou Pumice Mt. 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
  HSC67697  Arctostaphylos nevadensis John Palmer 1980-7-24 581 Siskiyou Klamath National Forest, Elk Hole 1503 Comment
  CAS-BOT-BC46431  Arctostaphylos patula Albert Seneres; Stephen Edwards; Nigel Harold 1982-10-2 s.n. Siskiyou SW. of Deadwood Peak Lookout. 1653 Comment
  CAS-BOT-BC46437  Arctostaphylos patula W. B. C. 1938-6-17 11016 Siskiyou Sisson Southern Trail. 1524 Comment
  CAS-BOT-BC46455  Arctostaphylos patula H. P. Bracelin 1931-6-19 425 Siskiyou N. side of Mt. Eddy. Above Metcalf ranch house, N. of Shasta City about 8 mi. 1539 Comment
  CAS-BOT-BC46484  Arctostaphylos patula Wayne Roderick; Jacob Sigg 1981-8-23 s.n. Siskiyou Cook & Green Pass. 1371 Comment
  CAS-BOT-BC46521  Arctostaphylos patula Roger Raiche; Kurt Zadnik 1982-10-12 20820 Siskiyou On road to Mt. Eddy. 1524 Comment
  HSC69554  Arctostaphylos patula Maralyn A. Renner 1980-6-26 1292 Siskiyou Klamath National Forest, ridge along FS Rd. 15N01, 1 mi. N of Flint Valley. 1494 Comment
  POM286020  Arctostaphylos patula Lyman Benson 1929-3-26 1068 Siskiyou Shoulder of Mt. Shasta Pacific Highway. Comment
  UC412711  Arctostaphylos patula Mus. Vert. Zool. 1911-6-15 145 Siskiyou Jackson Lake Comment
  UC412767  Arctostaphylos patula Milo S. Baker 1897-8-1 94 Siskiyou Mayfield rd 10 mi e Bartle's 1524 Comment
  CAS-BOT-BC46438  Arctostaphylos patula C. Hart Merriam 1910-10-4 s.n. Siskiyou Klamath River, 5 mi. below Hancock. Comment
  SEINET11989684  Arctostaphylos patula subsp. platyphylla R. Raiche, Radnik, K. 1982-1 20820 Siskiyou on road to Mt. Eddy 1524 Comment
  CAS-BOT-BC46957  Arctostaphylos viscida subsp. viscida Doris K. Kildale 1929-5-11 7711 Siskiyou Cecilville, upper s. Fork of Salmon River. Comment
  JEPS80541  Arenaria congesta var. congesta Gilbert Muth 1965-8-16 225 Siskiyou Slopes behind Black Mountain Marble Mountain Wilderness Area, Black Mountain, Boreal mead 1950 Comment
  UCR51822  Arenaria serpyllifolia L. C. Wheeler 1934-1-4 02641 Siskiyou Siskiyou Mtns, Ridge east of Nigger Gulch off Klamath River 1067 Comment
  RSA47778  Arenaria serpyllifolia Roxana S. Ferris, Laura Lorraine 1948-6-12 11857 Siskiyou 1.5 miles below summit of Gazelle Mountain grade, east side. 1418 Comment
  CAS-BOT-BC467190  Arenaria serpyllifolia var. serpyllifolia John Thomas Howell 1937-7-23 13351 Siskiyou South Fork of Salmon River near Big Flat 1524 Comment
  HSC69748  Arnica cernua Maralyn A. Renner 1980-6-26 1269 Siskiyou Klamath National Forest, ridge along FS Rd. 15N01, 1 mi. N of Flint Valley. 1494 Comment
  CAS-BOT-BC82248  Arnica chamissonis Calvin McMillan; Malcom A. Nobs 1949-6-17 798 Siskiyou Grass Lake, Highway 97 Comment
  CAS-BOT-BC82360  Arnica cordifolia John Thomas Howell; T. C. Fuller; G. D. Barbe 1980-4-29 53397 Siskiyou Forest Mountain Summit, 6 miles southwest of Yreka on road to Fort Jones 1249 Comment
  HSC22148  Arnica cordifolia J. O. Sawyer 1969-6-12 941 Siskiyou On trail to Duck Lakes 1890 Comment
  SEINET3082314 Image available Arnica cordifolia Harley P. Chandler June 1901 1615 Siskiyou North Coast Ranges. Ridges and meadows near Marble Mountain. 2130 Comment
  HSC75631  Arnica dealbata J. O. Sawyer, R. J. Cole 1980-7-21 3823 Siskiyou 0.2 mile east of Medicine Lake Ranger Station; west end of Medicine Lake Comment
  HSC46314  Arnica discoidea J. P. Smith, Steve Selva 1970-7-15 4370 Siskiyou 2 mi. below the Baldy Mt. Lookout Station. Comment
  UC1190274  Arnica discoidea Ira L. Wiggins 1955-7-23 13465 Siskiyou ridge w of, s side of S Fork of Salmon River China Creek; S Fork of Salmon River 1005 Comment
  HSC40996  Arnica discoidea J. O. Sawyer 1972-7-14 2473 Siskiyou N Fork of Salmon River 1006 Comment
  UC1409500  Arnica discoidea F. W. Oettinger 1969-8-9 1323 Siskiyou along, (between Fivemile Stockgate & Abbott's Upper Cabin, main trail) North Fork Trail; Salmon Mts. 1097 Comment
  HSC101399  Arnica lanceolata subsp. prima J. P. Smith, J. O. Sawyer, R. J. Cole 2010-8-7 13056 Siskiyou Klamath National Forest. Road to Crater Lake off Forest Service Road 40N24. 1860 Comment
  SEINET999813  Arnica lanceolata subsp. prima Mark Fishbein, Lane Greer 2006-1 5877 Siskiyou Paynes Creek, above Paynes Springs, about 2 mi southeast of Medicine Lake. 2000 Comment
  HSC61886  Arnica latifolia Ruby Van Deventer 1939-7-18 Siskiyou Poker Flat 1585 Comment
  RSA261524  Arnica latifolia J. M. Tucker, L. K. Mann 1963-7-5 3701 Siskiyou Blake's Fork of South Russian Creek (a tributary of the Salmon River), ca. 7 miles (airline) east of Sawyer's Bar, Salmon Mountains. 1616 Comment
  HSC46239  Arnica mollis J. P. Smith, J. O. Sawyer 1971-9-17 4778 Siskiyou Little Duck Lake 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
  CAS-BOT-BC85064  Arnica parryi Gilbert Muth 1966-7-31 476 Siskiyou Damp rocky areas, north side of Black Mountain, Marble Mts. 2057 Comment
  CAS-BOT-BC90087  Arnica viscosa Wm. Bridge Cooke 1938-8-18 11501 Siskiyou Horse Camp Slopes, slopes above the Shasta Fir forest 2514 Comment
  RSA417434  Artemisia arbuscula subsp. arbuscula M. B. Dunkle 1945-8-2 9288 Siskiyou Kings Castle, Klamath National Forest. Marble Mountains. Comment
  SEINET5712658  Artemisia campestris subsp. borealis J. M. Tucker, L. K. Mann; Sandra L. Holloway 1963-1 3750 Siskiyou Southwestern ridge of Black Mountain (Black Marble Mountain), Marble Mountain Wilderness Area.; Marble Mountain Wild. Area 2134 Comment
  SEINET7239372 Image available Artemisia tridentata G. D. Butler 1910-9-12 1883 Siskiyou Butte Valley 1280 Comment
  CAS-BOT-BC447717  Aruncus dioicus var. vulgaris Doris K. Kildale; J. W. Gillespie 1929-6-22 8028 Siskiyou Boulder Creek, south of Dunsmuir on Pacific Highway Comment
  JEPS32483  Asarum caudatum W. L. Jepson Jul 1894 Siskiyou Sisson Comment
  CAS-BOT-BC400692  Asarum hartwegii J. H. Thomas 1954-5-13 4132 Siskiyou Southwestern Siskiyou County. 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
  JEPS5088  Asclepias cordifolia W. L. Jepson 1940-7-1 20075 Siskiyou 6 mi e McCloud River (Fowlers Camp) 944 Comment
  SEINET10829548  Asclepias cordifolia F. Marion Ownbey, D. H. Brown 1941-6-22 Ownbey 2423 Siskiyou Gravelly ridge W of Craggy Mountain, NW of Yreka Comment
  HSC3281  Asclepias fascicularis R. C. Wunner 1965-7-9 348 Siskiyou Lava Beds N.M. 200 yds. off Hardin Butte Trail to N 0.5 mi. from main road 1341 Comment
  SEINET10890228  Asclepias fascicularis Mark E. Fishbein, L. Greer 2006-8-4 Fishbein 5886 Siskiyou Along Hill Road, 0.5 mi S of Devil's Homestead, Lava Beds National Monument, about 3.75 mi NNW of Schonchin Butte 1285 Comment
  UC75365  Asclepias fascicularis Copeland 1903-7-4 3558 Siskiyou Klamathon Comment
  JEPS49824  Asclepias speciosa Willis L. Jepson July 24, 1894 - August 10, 1894 14539 Siskiyou near Sisson; Region of the Upper Sacramento Comment
  POM76059  Asclepias speciosa Geo. D. Butler 1910-6-8 1557 Siskiyou Dry land near Yreka Comment
  SEINET10814570  Asclepias speciosa Edward L. Greene 1876-6-28 Greene 899 Siskiyou Collected near Yreka. Comment
  UC1409503  Asclepias speciosa F. W. Oettinger 1969-8-12 1331 Siskiyou 1 mi from Etna Summit (on road toward Etna); Salmon Mountains Comment
  SBBG17697  Aspidotis densa M. A. Piehl 1956-8-14 Siskiyou N of Happy Camp Comment
  UC1408841  Aspidotis densa Frederick W. Oettinger 1968-8-23 610 Siskiyou due e and 50 ft below Diamond Lake; Salmon Mts, High Lake Basins, English Peak vicinity, Marble 2057 Comment
  UCD78130  Aspidotis densa Robert E. Preston 2002-6-20 1844 Siskiyou Klamath National Forest, Rainbow Mountain, W ridge, on E-facing slope 1965 Comment
  HSC29479  Aspidotis densa Frederick W. Oettinger 1968-8-23 610 Siskiyou Salmon Mtns. Marble Mtn. Wilderness Area, due E and 50 ft. below Diamond Lake 2058 Comment
  UCD137299  Aspidotis densa Louise Kellogg 5-7 Aug 1953 103 Siskiyou Scott Mountains, Klamath National Forest (11 miles east of Callahan on road to Gazelle, then south 5.8 miles on logging road); Cabin Meadow, 1 mile north of Cory Peak. 1844 Comment
  CAS-BOT-BC178815  Astragalus californicus L. E. Smith 1913-5-9 197 Siskiyou Weed Comment
  SEINET10687772 Image available Astragalus californicus Edward L. Greene Greene 764 Siskiyou Yreka. Comment
  RSA60233  Astragalus filipes E. K. Balls 1950-5-17 14719 Siskiyou By New Lava Flow, on rd. to Capt. Jacks Stronghold. Lava Beds National Monument. 1585 Comment
  CAS-BOT-BC186740  Astragalus gambelianus John Thomas Howell; T. C. Fuller; G. D. Barbe 1980-4-29 53384 Siskiyou Yreka 792 Comment
  CAS-BOT-BC186917  Astragalus inversus Dean Wm. Taylor; Rexford E. Palmer; Glenn L. Clifton; Roy Buck 1987-6-24 9049 Siskiyou Vicinity of Mud Well, McCloud River headwaters 1402 Comment
  CDA26703  Astragalus lentiginosus var. salinus T. C. Fuller 1962-6-12 8966 Siskiyou Davis Road to Medicine Lake, Little Oklahoma district, ca. 15 miles east of Dorris. 0 Comment
  CAS-BOT-BC194434  Astragalus obscurus Alice Eastwood; John Thomas Howell 1934-4-20 1786 Siskiyou 4 miles n. of Weed Comment
  CAS-BOT-BC198709  Astragalus whitneyi var. siskiyouensis R. C. Barneby 1954-5-17 11536 Siskiyou Scott Mts. 5 miles above Callahan 1264 Comment
  HSC71340  Astragalus whitneyi var. siskiyouensis J. P. Smith 1974-5-26 7384 Siskiyou Along FS Rd. 47N03 1524 Comment
  HSC75390  Astragalus whitneyi var. siskiyouensis J. O. Sawyer, M. Mesler 1980-8-10 4034 Siskiyou S of Carmen Lake, ultramafics of Scott Mtn. 1829 Comment
  HSC82563  Astragalus whitneyi var. siskiyouensis Thomas W. Nelson, Jane P. Nelson 1979-5-26 4722 Siskiyou Along Hwy. 3, N of Scott Mtn. Summit, at junction with FS Rd. 40N03 1524 Comment
  SEINET5335240  Astragalus whitneyi var. siskiyouensis B. Wilson 2011-7-31 16701 Siskiyou Shasta-Trinity National Forest, north of the Pacific Crest Trail on road 42N17, at a 90 degree bend, in the Park Creek drainage 2024 Comment
  HSC44583  Asyneuma prenanthoides Laura Witherspoon 1977-8-10 Siskiyou 2 mi. up FS Rd. 12N13 W of Bald Butte 610 Comment
  POM22313  Athyrium americanum E. B. Copeland 1903-8-16 3917 Siskiyou Mount Shasta 2378 Comment
  SBBG54353  Athyrium distentifolium var. americanum D. Copeland 1903-8-16 3917 Siskiyou Mt Shasta 2377 Comment
  RSA183740  Athyrium filix-femina subsp. cyclosorum Gilbert Muth 1965-8-3 150 Siskiyou Marble Mountains, creek at Marble Valley Comment
  CAS-BOT-BC66191  Athyrium filix-femina var. cyclosorum A. A. Heller 1920-8-11 13505 Siskiyou Metcalf's ranch, northeast base of Mt. Eddy 1158 Comment
  CAS-BOT-BC66198  Athyrium filix-femina var. cyclosorum John Thomas Howell 1939-8-3 14988 Siskiyou Spirit Lake, Marble Mts. 1828 Comment
  CAS-BOT-BC66183  Athyrium filix-femina var. cyclosorum W. B. C. 1940-8-5 15407 Siskiyou in the Wagon Camp spring area 1737 Comment
  JEPS80575  Athyrium filix-femina var. cyclosorum Gilbert Muth 1965-8-3 Siskiyou Creek at Marble Valley; Marble Mt. Wilderness Area 1792 Comment
  RSA47777  Athysanus pusillus Roxana S. Ferris, Laura Lorraine 11856 Siskiyou 1.5 miles below summit of Gazelle Mountain grade, east side. 1418 Comment
  RSA65340  Atriplex truncata L. C. Wheeler 1934-10-21 3330 Siskiyou Shasta Valley 4 mi E Grenada 869 Comment
  UC166118  Balsamorhiza deltoidea Geo. D. Butler 1909-4-14 595 Siskiyou Humbug Road Comment
  CAS-BOT-BC106546  Balsamorhiza deltoidea L. E. Smith 1914-4-25 641 Siskiyou Yreka Comment
  CAS-BOT-BC100049  Balsamorhiza hookeri Dorothy Parker 1951-5-20 s.n. Siskiyou on the summit of Scott Mountain 1630 Comment
  CAS-BOT-BC100057  Balsamorhiza lanata Alice Eastwood; John Thomas Howell 1934-4-20 1754 Siskiyou Near Yreka on Ft. Jones Road Comment
  JEPS76149  Balsamorhiza lanata Susan Horner 1977-5-31 72 Siskiyou ca. 1.5 mi sw of, s end of Shasta Valley Weed; Shasta Valley 1042 Comment
  JEPS89303  Balsamorhiza lanata Dean Wm. Taylor with Craig Martz, Joe Molter, Barbara Williams, Julie Nelson 1997-5-4 15981 Siskiyou ca. 4 air mi. s.w. Gazelle (hillslopes of Scott Mts. along the Yreka Ditch, bordering Shasta Valley); Klamath Region (eKR), China Mt. Quad., Scott Mts. 960 Comment
  CAS-BOT-BC100106  Balsamorhiza sagittata E. K. Balls 1950-5-17 14718 Siskiyou by New Lava Flow, on rd. to Capt. Jack's Stronghold. Lava Beds Nat'l Monument 1584 Comment
  HSC22466  Barbarea orthoceras J. O. Sawyer 1969-7-18 1371 Siskiyou Above S Russian Creek. 2012 Comment
  HSC29189  Barbarea orthoceras Frederick W. Oettinger 1969-7-13 997 Siskiyou High Lake Basins near English Peak; Marble Mtn. Wilderness Area: N of Upper English Lake 1799 Comment
  CDA3610  Barbarea vulgaris C. S. Giebner 1961-5-1 Siskiyou Callahan . 0 Comment
  CAS-BOT-BC145847  Beckmannia syzigachne Dorothy Parker 1950-6-21 s.n. Siskiyou Scott Valley (Fay Lane). 853 Comment
  HSC22118  Berberis aquifolium var. aquifolium J. O. Sawyer 1969-6-11 809 Siskiyou Next to C.C.C. road near the N fork of Horse Range Creek. 1326 Comment
  UC796540  Berberis aquifolium var. aquifolium Roxana S. Ferris and Laura Lorraine Jun 12 1948-Jun 16 1948 11814 Siskiyou at Mule Creek croosing of Scott Mt Rd 1524 Comment
  HSC65094  Berberis aquifolium var. repens J. P. Smith 1973-5-5 6419 Siskiyou Along Cook and Green Pass Rd. Comment
  CAS-BOT-BC75997  Berberis pumila Laura M. Lathrop 1903-7-16 s.n. Siskiyou Shasta Retreat. Comment
  CAS-BOT-BC76006  Berberis pumila John Thomas Howell; T. C. Fuller; G. D. Barbe 1980-4-29 53389 Siskiyou Forest Mountain Summit, 6 miles southwest of Yreka on road to Fort Jones. 1249 Comment
  CAS-BOT-BC169402  Betula occidentalis William Adams Dayton 1913-9-14 17519 Siskiyou E Fork of Scott River Range, along Rail Creek. Shasta Forest 1249 Comment
  CAS-BOT-BC169480  Betula occidentalis Roxana S. Ferris; Laura Lorraine 1948-6-12 11823 Siskiyou East Fork of Scott River drainage, Parker Ranch, Plowman's [Noyes] Valley 1203 Comment
  RSA17903  Betula occidentalis W. R. Dudley 1899-8-8 s.n. Siskiyou Near Sisson. Comment
  CAS-BOT-BC102118  Bidens cernua Alice Eastwood 1917-9-2 6658 Siskiyou Shasta Springs Comment
  CAS-BOT-BC413078  Bistorta bistortoides John Thomas Howell 1939-8-10 15277 Siskiyou Sky High Valley, Marble Mts. 1828 Comment
  HSC65505  Bistorta bistortoides Rich White 1978-7-3 222 Siskiyou Lake E of Sawtooth Trail, N of Dillon Trail 1502 Comment
  UCD77955  Bistorta bistortoides Robert E. Preston 2003-7-31 2176 Siskiyou Rainbow Mountain, at base of N slope, in upper Antelope Creek Meadow. 1661 Comment
  CHSC118591  Blepharipappus scaber Richard R. Halse 2016-5-29 9717 Siskiyou Along Hilt Road ca. 2.1 miles northwest of Hilt on the Oregon/California State Line. 876 Comment
  HSC44736  Blepharipappus scaber Maralyn O'Meara 1974-5-25 440 Siskiyou On Rd. 8, 2.4 mi. W of junction with Hwy. 3 1006 Comment
  UC583301  Boechera breweri subsp. shastaensis Alice Eastwood and John Thomas Howell 1934-4-20 1762 Siskiyou near Yreka (along Shasta River); Shasta Rvier Comment
  CAS-BOT-BC16149  Boechera covillei R. E. Frenkel 1963-7-13 248 Siskiyou Mount Shasta, vicinity of rain guage below Horse Camp. 2255 Comment
  CAS-BOT-BC13815  Boechera howellii John Thomas Howell 1937-7-25 13444 Siskiyou Caribou Basin, Salmon-Trinity Alps. 2286 Comment
  CAS-BOT-BC14136  Boechera pendulocarpa C. L. Hitchcock; J. S. Martin 1939-7-6 5322 Siskiyou Marble Mountains. 0.5 mile southeast of King's Castle. 1828 Comment
  CAS-BOT-BC14411  Boechera platysperma R. E. Frenkel 1964-10-2 921 Siskiyou In Panther Meadow Campground near Mount Shasta. 2377 Comment
  JEPS53079  Boechera retrofracta Harley P. Chandler Jun 1901 1663 Siskiyou Marble Mountain North Coast Ranges 2438 Comment
  UC722144  Boechera retrofracta C. L. Hitchcock and J. S. Martin 1939-7-9 5310 Siskiyou between Kings Castle and Black Mt. (w side of ridge) 1828 Comment
  CAS-BOT-BC438786  Boechera rollei Dana York 2012-7-21 3129 Siskiyou Klamath/Siskiyou Mts. Rogue River - Siskiyou National Forest, Siskiyou Mountains, ridge above Echo Lake. 1790 Comment
  SEINET3166093  Boechera rollei P. J. Alexander 2008-7-24 869 -B, C Siskiyou Below the Pacific Crest Trail on the E side of Lilypad Lake, +-0.6 miles S of Red Butte, +-5.5 miles N of Seiad Valley, Siskiyou Mountains, Rogue River National Forest. 1737 Comment
  SEINET10627096 Image available Boechera rollei W. E. Rolle 1983-8-4 Rolle 831 Siskiyou Open places on sparsely forested slopes, peridotite rocks and soil derived and Klamath rivres, Red Butte-Kangaroo Mt.-Lilypad Lake- Towhead Lake region, T47N R12W, Sec. 13. 1646 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
  HSC72872  Boschniakia strobilacea M. A. Baker 1980-6-20 2206 Siskiyou Near Bald Mtn. 1036 Comment
  CHSC1632  Boykinia major M. Yoder 1941-7-6 Siskiyou Castle Lake. 1981 Comment
  HSC4949  Boykinia major J. O. Sawyer 1968-7-23 581 Siskiyou Along trail from Brown's Valley to Caribou Basin including areas around Snowslide Lake and Caribou Lake 1829 Comment
  UC1190155  Boykinia major Ira L. Wiggins 1955-7-29 13588 Siskiyou along Thompson Creek 3.5 mi above South Fork of Salmon River; about South Fork of Salmon River, Thompson Creek 1371 Comment
  CAS-BOT-BC418459  Boykinia major Edna Kelsey 1961-8-1 s.n. Siskiyou Marble Mts. Comment
  HSC63260  Boykinia major M. A. Baker 1979-7-30 1079 Siskiyou Draw W of trail to Rainy Lake Comment
  SEINET10904152  Boykinia major Mary Susan Taylor 1980-7-8 Taylor 3105 Siskiyou T39N R5W ne sec 24, Dunsmuir quad; Shasta-Trinity Natl Forest; on NW side of Castle Lake, along edge of lake. 1615 Comment
  UCD77426  Brickellia grandiflora Robert E. Preston 2001-7-21 1711 Siskiyou Klamath National Forest, north slope of Rainbow Mountain, 2026 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
  SEINET10615085 Image available Brickellia greenei Edward L. Greene 1870-8-24 Greene 1012 Siskiyou At head of Scott River. Comment
  SEINET8401322  Brodiaea elegans L. E. Detling 1959-6-8 8225 Siskiyou Scott River near Scott Bar. 579 Comment
  SEINET10965891  Brodiaea ida-maia David B. Dunn, Melvin L. Conrad; Douglas G. LeDoux 1973-6-3 Dunn 20651 Siskiyou Vicinity of the campground on the salmon river, 8.3 miles w of cecilville. Yellow pine forest with douglas fir. Area with mostly metamorphic rocks. Area Very rocky and gravelly Comment
  RSA603847  Bromus berteroanus L. C. Wheeler 1935-5-11 3486 Siskiyou Klamath River at Ash Creek; Siskiyou Mts. 610 Comment
  RSA602812  Bromus carinatus L. C. Wheeler 1935-6-4 3548 Siskiyou Etna, Scott Valley 899 Comment
  JEPS69179  Bromus carinatus var. carinatus Geo. D. Butler 1909-6-13 832 Siskiyou Moffitt Creek Comment
  CAS-BOT-BC156272  Bromus catharticus W. D. Hamilton 1946-4-19 s.n. Siskiyou 4 miles north of Davis. Comment
  HSC100299  Bromus hordeaceus J. P. Smith, & J. O. Sawyer 2011-6-25 13256 Siskiyou At the junction of Hwy. 3 and Callahan - Gazelle Road. 834 Comment
  UCD58811  Bromus hordeaceus var. intermedius Geo. D. Butler 1909-6-5 825 Siskiyou Meadows near Yreka. 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
  CAS-BOT-BC162135  Bromus orcuttianus A. A. Heller 1915-7-18 12124 Siskiyou Metcalf's ranch, base of Mount Eddy. Comment
  SJSU6526  Bromus orcuttianus R. W. Trivelpiece 1972-6-15 113 Siskiyou Vann Creek near Bear Peak c. 15 mi SW of Happy Camp 1341 Comment
  UC909360  Bromus racemosus Ira L. Wiggins 1950-5-27 12354 Siskiyou East Fork of Scott River, Callahan, Callahan Ranger Station Callahan Ranger Station; Scott River, Callahan, Callahan Ranger Station 975 Comment
  CAS-BOT-BC185600  Bromus tectorum A. A. Heller 1916-6-20 12405 Siskiyou Metcalf's Ranch, northeast base of Mount Eddy. 1188 Comment
  HSC68483  Bromus tectorum Maralyn A. Renner 1980-6-10 878 Siskiyou Ridge 1 mi. S of Greenhorn Rd. and 1 mi. E of Mill Creek 1341 Comment
  JEPS69221  Bromus tectorum Geo. D. Butler 1909-5-21 816 Siskiyou roadside near Yreka Comment
  CHSC36415  Calamagrostis koelerioides Donald M. Burk 1981-7-26 65 Siskiyou East side of Castle Lake. 1706 Comment
  HSC24229  Calamagrostis koelerioides J. O. Sawyer 1969-8-4 1880 Siskiyou SE slope above S Sugar Lake 2165 Comment
  JEPS83988  Calamagrostis koelerioides L. R. Heckard with S. D'Alcamo, J. Hickman 1986-7-16 6384 Siskiyou ca 1.5 mi e Red Butte summit (ca 7 mi nne of Seiad Valley, w of Cook and Green Pass) 1900 Comment
  RSA239129  Calamagrostis koelerioides Frederick W. Oettinger 1968-9-7 772 Siskiyou On ridge above Tobacco Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2012 Comment
  SEINET8198343  Calamagrostis koelerioides D. W. Taylor 2002-7-29 18284 b Siskiyou Gumboot Lake, headwaters South Fork Sacramento River 1951 Comment
  CAS-BOT-BC185257  Calamagrostis koelerioides W. R. Dudley 1901-8-23 s.n. Siskiyou East slope of Foxtail Ridge. Comment
  SEINET8205872  Calliscirpus criniger J. W. Stacey 1940-6-6 15054 Siskiyou near springs along the shores of Castle Lake. 1676 Comment
  HSC28744  Callitriche heterophylla var. heterophylla Frederick W. Oettinger 1969-8-15 1388 Siskiyou Marble Mtn. Wilderness Area, inlet of Upper English Lake 1768 Comment
  CAS-BOT-BC85740  Calocedrus decurrens L. B. Kildale 1930-6-1 9838 Siskiyou Mill Creek near Etna Mills Comment
  HSC31499  Calocedrus decurrens Steve Selva, Roger Jensen 1974-8-17 22 Siskiyou Base of Sugar Lake trail along Road 40N23 Comment
  HSC68565  Calocedrus decurrens Maralyn A. Renner 1980-6-7 793 Siskiyou N of Greenhorn Rd. Comment
  CAS-BOT-BC85736  Calocedrus decurrens Dr. E. B. Copeland 1903-8-13 3913 Siskiyou Sisson, on Big Spring Creek 1066 Comment
  SBBG15287  Calochortus coeruleus H. and M. Dearing 1939-7-1 3793 Siskiyou Salmon Mtn summit 1828 Comment
  HSC44909  Calochortus tolmiei J. P. Smith 1973-5-5 6375 Siskiyou In and around the O'Neill Campground near Seiad Valley. 488 Comment
  HSC44912  Calochortus tolmiei J. P. Smith, Steve Selva 1970-6-16 4003 Siskiyou 5 mi. from Hwy. 3 on Rd. 8 to Sugar Creek. 1189 Comment
  CAS-BOT-BC132631  Calochortus uniflorus Elizabeth McClintock; Wayne Roderick; Martha Roderick 1967-7-28 s.n. Siskiyou Gumboot Lake, Trinity Mts. 1828 Comment
  JEPS45936  Caltha biflora Rimo Bacigalupi and L. R. Heckard 1966-6-15 9180 Siskiyou In swampy edges Cedar Lake in The Eddys, upper drainage of the South Fork of the Sacramento River. 1731 Comment
  POM97903  Caltha howellii Geo. D. Butler 1910-6-5 1509 Siskiyou Shackleford Creek Comment
  HSC96425  Caltha leptosepala Gordon Leppig, Tony LaBanca, Leonel Arguello 1997-6-27 494 Siskiyou Klamath National Forest, Russian Wilderness, Little Duck Lake Fen 2200 Comment
  JEPS81792  Calycadenia fremontii Rimo Bacigalupi with Drs. Reino and Aloha Alava 1958-9-2 6816 Siskiyou 7 mi e Callahan 1127 Comment
  CAS-BOT-BC273390  Calycadenia fremontii David D. Keck 1946-7-14 5693 Siskiyou Klamath River, 2 mi. N. of Somes Bar 213 Comment
  UCD129885  Calycadenia truncata R. L. Carr 1974-8-17 2129 Siskiyou 4.0 miles west of Gazelle on Gazella-Callahan Road, south or Yreka. 950 Comment
  POM30674  Calycadenia truncata subsp. microcephala Geo. D. Butler 1910-7-30 1801 Siskiyou Near Yreka. Comment
  POM53159  Calycadenia truncata subsp. scabrella E. B. Copeland 1903-7-4 3547 Siskiyou Klamathon. Comment
  UC61082  Calyptridium monospermum W. A. Setchell, C. C. Dobie 1902-7-12 Siskiyou Sisson; Mount Shasta, Sisson Comment
  HSC4431  Calyptridium umbellatum William J. Ferlatte 1966-6-22 77 Siskiyou Josephine Lake Basin 1677 Comment
  JEPS52507  Calyptridium umbellatum Geo. D. Butler 1908-8-3 207 Siskiyou near Log Lake (Shackelford Creek); Shackelford Creek 1524 Comment
  UC7775  Calyptridium umbellatum W. H. Brewer 1862-9-13 1371 Siskiyou Mount Shasta 2133 Comment
  CAS-BOT-BC221255  Calystegia malacophylla subsp. malacophylla A. A. Heller 1919-6-27 13280 Siskiyou Metcalf's ranch, northeast base of Mt. Eddy 1158 Comment
  HSC99980  Calystegia occidentalis subsp. occidentalis Thomas W. Nelson 2005-7-16 9380 Siskiyou Along F. S. Rd. 42N16. 1337 Comment
  CAS-BOT-BC497585  Camassia quamash subsp. breviflora Frank W. Gould 1940-5-15 1224 Siskiyou Bull Meadows, Goosenest Mountain 1524 Comment
  CAS-BOT-BC36989  Camelina microcarpa Alice Eastwood 1912-7-16 1137 Siskiyou McCloud. Comment
  CAS-BOT-BC160904  Camissonia tanacetifolia subsp. tanacetifolia Roxana S. Ferris; Laura Lorraine 1941-8-11 10495 Siskiyou Grass Lake Station, on U. S. Highway 97 1554 Comment
  SEINET3142708  Campanula prenanthoides G. D. Butler 1910-8-7 1815 Siskiyou Humbug Mountain 1219 Comment
  UC1258468  Campanula prenanthoides John Palmer 1980-8-12 682 Siskiyou se Wards Gap; Condry Mtn. Quad. 1188 Comment
  SEINET10463031  Campanula prenanthoides Ira L. Wiggins 1955-7-23 Wiggins 13463 Siskiyou RIDGE W OF CHINE CR, S SIDE OF S FORK SALMON RIVER IN PARTIAL SHADE, 3150 Comment
  SEINET10463107  Campanula prenanthoides Louis Krautter 1905-7-8 Krautter 178 Siskiyou South of Mount Shasta Comment
  SEINET10463164  Campanula prenanthoides Palmer 1892-7-13 Palmer 2511 Siskiyou Mount Shasta and vicinity Comment
  SEINET10939016  Campanula prenanthoides Hutchinson 1932-7-7 HUTCHINSON 4226 Siskiyou Salmon Mountains; near north Fork of Salmon River between Sine's Bar and Fork of Salmon 274 Comment
  CAS-BOT-BC266447  Campanula scabrella C. G. Pringle 1882-9-3 s.n. Siskiyou Mountains about the head waters of the Sacramento River 2438 Comment
  SEINET10972070  Campanula scabrella George Engelmann 1880-8-30 Engelmann s.n. Siskiyou SCOTTS MOUNTAIN UNDER PINUS ALBICAULIS & P. BALFOURIANA 2134 Comment
  RSA37421  Campanula scouleri Marion Ownbey, Fred G. Meyer 1940-7-8 2226 Siskiyou Siskiyou Mountains, Summit. 18 miles North of Happy Camp. Comment
  SEINET10463789  Campanula scouleri Joseph W. Congdon 1900-8-10 Congdon s.n. Siskiyou Near Sisson Comment
  SEINET10905938  Campanula scouleri Edward L. Greene 1876-8-22 Greene 1010 Siskiyou SCOTT MOUNTAIN 1829 Comment
  SEINET10905950  Campanula scouleri Parker 1950-8-3 Parker 488 Siskiyou LITTLE MILL CREEK, MOUNT BOLIVAR 1829 Comment
  SEINET12265033  Campanula scouleri M. Ownbey, Meyer, F. G. 1940-1 2226 Siskiyou 18 mi N of Happy Camp Comment
  UC29022  Campanula scouleri Edward L. Greene 1876-8-22 1010 Siskiyou Scott Mountain 1828 Comment
  UC642519  Campanula wilkinsiana W. Bridge Cooke 1939-8-24 13894 Siskiyou along creeks Mount Shasta, Squaw Valley Creek meadows Comment
  SEINET10972125  Campanula wilkinsiana Cyrus G. Pringle 1881-8-24 Pringle s.n. Siskiyou Mount shasta 2134 Comment
  UC10297  Capsella bursa-pastoris F. W. Hooper 1897-4-21 Siskiyou Little Shasta Comment
  CAS-BOT-BC37224  Cardamine angulata Alice Eastwood 1923-5-18 11838 Siskiyou Shasta Springs. Comment
  HSC86543  Cardamine bellidifolia D. K. Imper Jun 1987 Siskiyou 8 mi. E of town of Mt. Shasta, slope of Red Butte 2134 Comment
  UCD77453  Cardamine bellidifolia Robert E. Preston 2001-6-23 1587 Siskiyou Klamath National Forest, n slope of Rainbow Mtn, T42N R1W nw 1/4 of ne 1/4 Section 23 1950 Comment
  JEPS53389  Cardamine nuttallii var. covilleana Geo. D. Butler 1910-4-1 1152 Siskiyou Humbug Mountain Comment
  CDA16166  Cardaria draba G. F. Hrusa 1998-5-25 14473 Siskiyou Klamath Ranges; Along Klamath R. at Yreka (Hwy 96 rest area) on N side of entrance rd. 632 Comment
  UC144264  Cardaria draba A. A. Heller 1905-6-9 8006 Siskiyou Yreka Comment
  SEINET10644476  Carex A. Arthur Heller 1920-6-20 Heller 13390 Siskiyou Metcalf's ranch, northeast base of Mt. Eddy in open places in the forest. The original growth of yellow pine has been replaced by white fir, Douglas fir and incense cedar. Shrubs are willow, Corylus, & Ceanothus. 1158 Comment
  CHSC40184  Carex aquatilis var. aquatilis L. P. Janeway 1982-8-21 167 Siskiyou From the upper Twin Valley meadow. 1584 Comment
  HSC85832  Carex aquatilis var. dives L. P. Janeway 1983-7-24 453 Siskiyou Poker Flat: slope between upper & lower parts of meadow. 1524 Comment
  RSA215574  Carex aquatilis var. dives Al Hobart 1970-8-25 s.n. Siskiyou Wet ground beside a small lake, northwestern Siskiyou County. 1524 Comment
  JEPS63765  Carex athrostachya B. C. Goldsmith 1916-8-6 13 a Siskiyou Sisson Comment
  SEINET10644707  Carex athrostachya Edwin B. Copel 1903-9-7 Copeland 3866 Siskiyou Mt. Eddy. 2134 Comment
  JEPS95947  Carex aurea Vernon H. Oswald and L. Ahart 1999-7-5 9817 Siskiyou Hwy. 3 4.0 mi southeast of Gazelle-Callahan Hwy.: T40N R8W Sect. 24, 4480 ft, mixed coniferous forest, serpentine substrate 1365 Comment
  JEPS84062  Carex aurea L. R. Heckard with S. D'Alcamo, J. Hickman 1986-7-16 6379 Siskiyou 7 mi nne of Seiad Valley (w of Cook and Green Pass, 1.5 mi e of Red Butte Summit) 1900 Comment
  RSA233665  Carex breweri Robert F. Thorne, Frederick W. Oettinger 1969-8-10 38982 Siskiyou Mount Shasta National Forest; south slope of Mt. Shasta at base of boulders. 2378 Comment
  CHSC107141  Carex cusickii R. E. Brainerd 2009-7-22 1559 Siskiyou Red Hill Meadow, east of Mt. Shasta; 4 air miles east of McCloud. UTM Zone 10 478466E 4568630N. 1036 Comment
  CAS-BOT-BC34882  Carex deflexa var. boottii John Thomas Howell 1937-7-21 13198 Siskiyou South Fork of Salmon River near Big Flat. 1524 Comment
  SEINET7556603 Image available Carex deflexa var. boottii Unknown 1969-8-6 1227 Siskiyou Salmon Mountains The high lake basins in the vicinity of English Peak Marble Mountains Wilderness Area. Southwest of Pine Lake. 1905 Comment
  UC1265330  Carex deweyana subsp. leptopoda Frederick W. Oettinger and R. F. Thorne 1969-8-6 1245 Siskiyou vicinity of English Peak (Pine Lake Basin); Salmon Mountains, Marble Mountain Wilderness Area 1828 Comment
  HSC39378  Carex echinata subsp. echinata J. O. Sawyer 1969-8-3 1783 Siskiyou Alluvial terrace along Duck Lake Creek 1921 Comment
  SEINET7557949 Image available Carex echinata subsp. echinata Juha Pykala, D. H. Norris 1987-7-7 2333 Siskiyou Shasta National Forest, E of China Mountain, beside a trail from Deadfall Creek Meadows to Stewart Springs. 1890 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
  CAS-BOT-BC19918  Carex epapillosa A. A. Heller 1922-7-15 13709 Siskiyou Meadow at Medicine Lake. 2133 Comment
  CAS-BOT-BC20129  Carex feta H. A. Thomas; J. H. Thomas 1954-7-21 4417 Siskiyou Salmon-Trinity Mountains. About 6 miles SE of Cecilville. West side of Rush Creek. 1158 Comment
  HSC97426  Carex feta Gail Newton 1980-6-20 461 Siskiyou Near Bald Mtn. 1097 Comment
  RSA237276  Carex fracta Frederick W. Oettinger 1969-8-16 1393 Siskiyou SW of Wiregrass Meadow below English Lake. Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1677 Comment
  CAS-BOT-BC20466  Carex halliana A. A. Heller 1922-7-15 13689 Siskiyou In the meadow at Medicine Lake. 2133 Comment
  UC1586943  Carex halliana Juha Pykala and D. H. Norris 1987-7-8 2432 Siskiyou s and w sides of lake, between lake and road Little Medicine Lake 2040 Comment
  HSC77213  Carex hassei L. P. Janeway 1983-8-6 489 Siskiyou At Poker Flat, near seep drainage at front edge of upper portion of meadow. 1524 Comment
  SEINET3902134  Carex hoodii M. L. Conrad, Dunn; Kenney 1973-6-2 6986 Siskiyou 17.4 miles northeast of Cecilville Store, on road to Callahan.; 0 2073 Comment
  CAS-BOT-BC28085  Carex hoodii William Bridge Cooke 1938-7-15 11173 Siskiyou Mt. Shasta Springs. 1524 Comment
  JEPS102967  Carex inops subsp. inops L. P. Janeway 2002-7-13 7641 Siskiyou High Cascade Range. Along a logging spur road 0.2 km south-east of Road 13 (Pilgrim Creek Road) 9.0 km northeast of the Military Pass Road (Road 19); 0.2 km north of Edison Creek. Visible along miles of Pilgrim Creek Road 1347 Comment
  CAS-BOT-BC7600  Carex inops subsp. inops 1938-7-22 11331 Siskiyou Mt. Shasta. 1981 Comment
  CHSC39000  Carex integra J. D. Jokerst 1983-7-5 1826 Siskiyou At the north end of Atkin's Meadow near the lodgepole pine margin. Ca 15 air mile east of McCloud. Comment
  POM254203  Carex integra J. T. Howell 1939-8-3 15002 Siskiyou Spirit Lake, Marble Mountains. 1829 Comment
  HSC29639  Carex jonesii Frederick W. Oettinger 1969-8-19 1454 Siskiyou Marble Mtn. Wilderness Area, Abbott's Basin 1905 Comment
  CAS-BOT-BC35477  Carex jonesii T. C. Fuller 1962-6-13 8982 Siskiyou meadow of Toad Well, road to Medicine Lake, ca. 12 mi. N of Bartle Comment
  CAS-BOT-BC7579  Carex laeviculmis R. Tallent 1987-8-12 899 Siskiyou Long Gulch Lake. Klamath National Forest. 1940 Comment
  HSC103611  Carex lanuginosa Thomas W. Nelson, Jane Nelson 1980-8-23 6317 Siskiyou At head of Mule Creek, just north of the Scott Mountain Campground. 1646 Comment
  HSC62583  Carex lenticularis var. impressa Al Hobart 1968-7-11 Siskiyou Youngs Valley Comment
  RSA237288  Carex lenticularis var. lipocarpa Frederick W. Oettinger 1968-9-7 750 Siskiyou North side of Hancock Lake. Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2043 Comment
  RSA577422  Carex mariposana L. C. Wheeler 1934-8-6 3049 Siskiyou Bear Ground Gulch off Jaynes Canyon. Siskiyou Mountains. 1677 Comment
  JEPS95952  Carex mendocinensis Vernon H. Oswald and L. Ahart 1999-7-5 9818 Siskiyou Hwy. 3 4.0 mi southeast of Gazelle-Callahan Hwy.: T40N R8W Sect. 24, 4480 ft, mixed coniferous forest, serpentine substrate 1365 Comment
  HSC76388  Carex mendocinensis L. P. Janeway 1982-6-29 30 Siskiyou Old roadbed across small creek, 400 ft. SE of No Mans Creek, and .7 mi. up No Mans Creek from the Clear Creek Road 701 Comment
  CAS-BOT-BC31780  Carex mertensii Rimo Bacigalupi; Mr. VanDeventer; Mrs. VanDeventer 1959-7-10 7301 Siskiyou Along streamside in Twin Valley, Siskiyou Mts., just E of Del Norte Co. Line 1493 Comment
  UC1265431  Carex mertensii Frederick W. Oettinger 1969-8-6 1233 Siskiyou nw Pine Lake (White Pine Meadow); Salmon Mountains, Marble Mountain Wilderness 1882 Comment
  HSC76794  Carex microptera L. P. Janeway 1982-8-15 147 Siskiyou Below Echo Lake 1646 Comment
  UC593522  Carex multicaulis E. B. Babcock, G. L. Stebbins Jr. 1936-6-13 1985 Siskiyou about 1 1/2 mi w Mt. Shasta City (e and ne slope of spur of Rainbow Ridge above Sulloway Creek); Rainbow Ridge 1180 Comment
  CDA33114  Carex multicaulis G. D. Barbe, J. T. Howell, T. C. Fuller 1980-4-29 2613 Siskiyou 0.2 mile east of Forest Mountain summit, Highway 3 (Yreka- Fort Jones Highway), southwest of Yreka. Comment
  CAS-BOT-BC23424  Carex multicostata John Thomas Howell 1939-8-6 15108 Siskiyou Elk Mt, Marble Mts. Comment
  CAS-BOT-BC32283  Carex multicostata William J. Ferlatte 1966-6-22 115 Siskiyou Josephine Lake basin. 1920 Comment
  RSA237308  Carex multicostata Frederick W. Oettinger, Robert F. Thorne 1969-8-6 1244 Siskiyou Pine Lake Meadows. Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1845 Comment
  SEINET7568931 Image available Carex nigricans Frederick W. Oettinger 1969-9-2 1600 Siskiyou Salmon Mountains, High Lake Basins in the vicinity of English Peak Marble Mountain Wilderness Area, north side of English Peak. 2164 Comment
  CAS-BOT-BC119468  Carex nudata A. A. Heller 1905-6-1 7921 Siskiyou Between Dunsmuir and Upper Soda Spring. Comment
  CAS-BOT-BC119473  Carex nudata L. P. Janeway 1983-7-30 463 Siskiyou Hornbrook quad. Along the N side Klamath River. 586 Comment
  SEINET8989728 Image available Carex pachystachya Unknown 2006-1 8717 Siskiyou Klamath Ranges. Salmon Mountains; just west of Carter Meadow north side of South Fork Salmon River. Deadman Peak 7.5 quad. Comment
  RSA120496  Carex pellita S. S. Tillett 1956-7-11 690 Siskiyou On N side Scott Mtn. divide near campground; Siskiyou-Trinity county line, ca. 8 miles SE of Callahan. 1616 Comment
  RSA20485  Carex pellita L. S. Rose 1937-7-3 37393 Siskiyou Weed. 945 Comment
  LA17779  Carex phaeocephala J. W. Stacey; 1939-7-26 13756 Siskiyou Mount Shasta, along the Summit Trail in the vicinity of Lake Helen 3047 Comment
  CAS-BOT-BC118775  Carex preslii John Thomas Howell 1937-7-26 13532 Siskiyou Caribou Basin, Salmon-Trinity Alps 2286 Comment
  HSC89804  Carex rostrata D. K. Imper 1987-7-22 Siskiyou 8 mi. E of Somes Bar 1372 Comment
  HSC71108  Carex scabriuscula Thomas W. Nelson, Jane P. Nelson, J. P. Smith 1978-7-24 4500 Siskiyou Along W side of Hwy. 3 just N of Scott Mtn. Summit 1616 Comment
  HSC76822  Carex scabriuscula L. P. Janeway 1982-9-3 185 Siskiyou At Little Carmen Lake, NW of Scott Mtn., 1 m from NW edge 1768 Comment
  HSC91237  Carex scabriuscula Jennifer Whipple 1976-6-30 1215 Siskiyou Wagon Creek drainage near Wagon Creek 2195 Comment
  CDA33144  Carex senta G. D. Barbe, J. T. Howell, T. C. Fuller 1980-4-29 2636 Siskiyou Between highway and East Fork of Scott River, ca. 500 ft east of Highway 3 bridge, 2 miles east of Callahan. Comment
  CAS-BOT-BC117241  Carex spectabilis Robert F. Thorne; Frederick W. Oettinger 1969-8-10 38949 Siskiyou S slope Mt. Shasta, Panther Creek Meadows. Mt. Shasta National Forest. 2194 Comment
  UC1265455  Carex spectabilis Frederick W. Oettinger 1969-8-6 1254 Siskiyou New York Flumes, Pine Lake Basin Salmon Mountains, Marble Mountain Wilderness Area 1859 Comment
  CAS-BOT-BC117237  Carex spectabilis William Bridge Cooke 1939-7-26 13748 Siskiyou Small spring on W side of wide dray above Panther Creek Meadows. 2743 Comment
  POM254181  Carex straminiformis J. T. Howell 1939-8-2 14908 Siskiyou Spirit Lake, Marble Mountains. 1829 Comment
  UC1371  Carex straminiformis W. H. Brewer 1862-9-13 1399 Siskiyou Mount Shasta 2133 Comment
  UC836013  Carex straminiformis John Thomas Howell 1939-8-2 14908 Siskiyou Spirit Lake Marble Mts. 1828 Comment
  SEINET11638246  Carex straminiformis C. G. Pringle 1882-1 s.n. Siskiyou Mount Shasta 2438 Comment
  SEINET7577203 Image available Carex subfusca Unknown 2003-6-17 10946 Siskiyou 5.5 miles toward Cecilville on the 1C02 road, at intersection with Shasta-Trinity National Forest road 41N14. 1097 Comment
  UC922500  Carex subfusca Annie M. Alexander and Louise Kellogg 1949-7-28 5887 Siskiyou Sky High Valley Marble Mountains 1767 Comment
  CAS-BOT-BC115846  Carex subfusca William Bridge Cooke 1938-6-24 11082 Siskiyou Mt. Shasta spring 1524 Comment
  CAS-BOT-BC115852  Carex subfusca William Bridge Cooke 1940-8-8 15540 Siskiyou Along the upper Squaw Valley Creek in a meadow-like area fed by springs. 1737 Comment
  SEINET3908530  Carex teneriformis W. B. Cooke 1939-8-4 13812 Siskiyou Mt. Shasta.; 0 1981 Comment
  JEPS121616  Carex utriculata Danielle Roach 2011-9-13 Siskiyou Bogbean Fen, Caldwell Lakes Basin, headwaters of Parks Creek, east slope of China Mountain. Abundant in flat fen, over gabbro. China Mountain quadrangle. CLB_A Comment
  UC637053  Carex vesicaria Edward Lee 1934-8-13 1075 Siskiyou Happy Camp, Waldo (Oregon) Road Watershed of West Branch of Indian Creek 1371 Comment
  CAS-BOT-BC115164  Carex vesicaria Wilhelm Hillebrand s.n. Siskiyou Spragues River, E of Klamath Valley. Comment
  RSA565000  Carex whitneyi D. W. Taylor 1987-6-8 9034 Siskiyou Lava Crack Spring. Modoc Plateau. 1372 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
  HSC16  Castilleja applegatei William J. Ferlatte 1966-6-22 105 Siskiyou 3 mi. S of Big Flat 1585 Comment
  HSC76762  Castilleja applegatei subsp. pallida K. T. Stillman 1976-9-9 493 Siskiyou Ridge above Paradise Lake Comment
  SBBG6729  Castilleja applegatei subsp. pinetorum H. and M. Dearing 1938-6-29 2196 Siskiyou side of Mt Shasta 1219 Comment
  CAS-BOT-BC94481  Castilleja applegatei subsp. pinetorum R. C. Wenk 2005-7-20 354 Siskiyou National Forest Road 17, 1 mile down road to the N, heading towards Mt. Shasta 2029 Comment
  CAS-BOT-BC243746  Castilleja applegatei var. pinetorum A. A. Heller 1905-6-15 8033 Siskiyou Near Sisson Comment
  CAS-BOT-BC94465  Castilleja arachnoidea R. C. Wenk 2005-7-19 324 Siskiyou Along Pacific Crest Trail, 2 miles S of parking lot at top of pass on National Forest Road 17, going towards Mt. Eddy 2164 Comment
  UC60942  Castilleja arachnoidea Geo. B. Grant 1902-9-1 5114 Siskiyou Horse Camp; Mt. Shasta 2438 Comment
  HSC690  Castilleja miniata William J. Ferlatte 1967-8-23 1112 Siskiyou Head of Kidd Creek 2134 Comment
  JEPS74695  Castilleja miniata T. C. Fuller 1974-9-24 20044 Siskiyou sw slope White Mtn. (headwaters of Horse Creek); Siskiyou Mts, , Horse Creek Comment
  SEINET3159266  Castilleja miniata G. D. Butler 1910-7-9 1692 Siskiyou Shackleford Creek 1219 Comment
  UC103511  Castilleja miniata J. W. Congdon 1900-8-13 Siskiyou base Mt. Shasta Comment
  RSA504754  Castilleja miniata Leg A Meebold 1935-07 19774 Siskiyou Mt. Shasta (city). Comment
  UCD122989  Castilleja miniata J. M. Tucker 1963-8-17 3740 Siskiyou in vicinity of cabin, Red Rock Creek, lower Red Rock Valley, Marble Mountain Wilderness Area. 1493 Comment
  SBBG21825  Castilleja miniata subsp. miniata D. Myrick 1964-7-25 964 Siskiyou above Ski Bowl Lodge, Mt Shasta 2407 Comment
  HSC74866  Castilleja pruinosa J. P. Smith, Jennifer Whipple 1978-7-2 9986 Siskiyou Trail from Cook and Green Pass to Copper Butte. 1768 Comment
  SBBG26802  Castilleja pruinosa L. Constance, R. C. Rollins 1942-5-14 2935 Siskiyou Shasta River 6 mi N of Yreka 762 Comment
  SEINET3159254  Castilleja pruinosa G. D. Butler 1910-4-19 1198 Siskiyou near Yreka Comment
  UC163702  Castilleja pruinosa Geo. D. Butler 1910-6-5 1516 Siskiyou Log Lake; Shackleford Creek Comment
  RSA428398  Castilleja pruinosa M. B. Dunkle 1945-7-19 9226 Siskiyou Sky-High. Klamath Nat'l Forest. Marble Mts. Comment
  SEINET3159250  Castilleja pruinosa G. D. Butler 1910-6-7 1529 Siskiyou Greenhorn Mtn. Comment
  CAS-BOT-BC48657  Ceanothus cordulatus A. A. Heller 1916-6-20 12418 Siskiyou Metcalf's ranch, northeast base of Mt. Eddy in openings in the forest 1188 Comment
  CAS-BOT-BC48658  Ceanothus cordulatus John Thomas Howell 1937-7-21 13189 Siskiyou South Fork of Salmon River near Big Flat 1524 Comment
  UC144559  Ceanothus cordulatus A. A. Heller 1905-6-5 7968 Siskiyou betw Shasta Retreat and Shasta Springs Comment
  UC338006  Ceanothus cordulatus Lemmon 1889-6-28 Siskiyou near Mt. Eddy; Shasta region 1828 Comment
  CAS-BOT-BC49190  Ceanothus cuneatus Alice Eastwood 1912-8-30 2091 Siskiyou Mount Eddy, North Fork Trail Comment
  UC796510  Ceanothus cuneatus var. cuneatus Roxana S. Ferris and Laura Lorraine Jun 12 1948-Jun 16 1948 11812 Siskiyou at Mule Creek crossing, Scitt Mt. Rd. 1524 Comment
  HSC27646  Ceanothus integerrimus Carl W. Mize 1972-6-8 2 Siskiyou Along main trail 328 Comment
  JEPS2518 Image available Ceanothus integerrimus Willis L. Jepson 1894-8-1 Siskiyou near Sisson; Shasta Springs Comment
Read comments
May 9 2008
  POM86957  Ceanothus integerrimus var. californicus Edward Palmer 1892-7-13 2457 Siskiyou Mount Shasta and vicinity Comment
  CAS-BOT-BC53097  Ceanothus prostratus Wm. Bridge Cooke 1938-6-17 11015 Siskiyou Mount Shasta - Sisson Southern Trail 1371 Comment
  LA44959  Ceanothus prostratus William Bridge Cooke; 1939-7-14 13679 Siskiyou Mount Shasta, along the Sisson Southern Trail 1523 Comment
  UC375366  Ceanothus prostratus Geo. D. Butler 1909-4-24 589 Siskiyou Greenhorn Road Comment
  CAS-BOT-BC53085  Ceanothus prostratus W. R. Dudley 1899-8-14 s.n. Siskiyou Pig Creek Hill, near McCoud Comment
  JEPS42293  Ceanothus sanguineus Duncan Dunning 1922-6-5 Siskiyou Moffitt Creek 1066 Comment
  UC163662  Ceanothus sanguineus Geo. D. Butler 1910-5-23 1389 Siskiyou Humbug Mountain 1219 Comment
  LA105199  Ceanothus velutinus Steve Morgan; 1987-7-28 sn Siskiyou Shasta-Trinity National Forest, McGinnis Springs, 5 mi. NW of McCloud, , S of Mt. Shasta 1767 Comment
  UC1071459  Ceanothus velutinus H. A. Jensen 1933-9-25 355 Siskiyou Spring Hill Dunsmuir Quad. 1188 Comment
  UC79914  Ceanothus velutinus T. S. Brandegee July 1889 2 Siskiyou Sisson's Mt. Shasta, Sisson's Comment
  RSA593943  Ceanothus velutinus Louis C. Wheeler 1963-9-3 8339 Siskiyou Siskiyou Mountains. Cyclone Gap chrome mine. Comment
  CAS-BOT-BC52844  Ceanothus velutinus var. velutinus Doris K. Kildale 1928-8-20 6588 Siskiyou Lily Pad Lake near Hancock Lookout on trail to Marble Mt. Comment
  HSC40224  Centaurea cyanus J. P. Smith 1976-5-22 8791 Siskiyou Near County Dump in Scott Valley between Callahan and Etna 1037 Comment
  SEINET10741267 Image available Centaurium trichanthum Edward L. Greene 1876-8-5 Greene 964 Siskiyou Collected near Yreka. Comment
  HSC2177  Centromadia fitchii L. C. Wheeler 1934-10-6 3309 Siskiyou Shasta Valley 2 mi. SE of Yreka 854 Comment
  UC165259  Centromadia fitchii Geo. D. Butler 1910-7-31 1805 Siskiyou near Yreka Comment
  SEINET7379744 Image available Centromadia fitchii G. D. Butler 1910-7-31 1805 Siskiyou Near Yreka Comment
  UC1618226  Cerastium arvense Barbara Ertter 1990-7-14 9339 Siskiyou ca. 4 airmiles w. Mt. Shasta City (Wagon Creek on e. side of Mt. Eddy, where several forks join before steep drop); Mt. Eddy, Wagon Creek 1828 Comment
  HSC92581  Cerastium arvense Jennifer Whipple 1976-7-8 1340 Siskiyou N slopes of Mount Eddy. 2439 Comment
  CHSC96778  Cerastium dichotomum T. C. Fuller 1962-5-18 8745 Siskiyou Northern California. Siskiyou County. B.M. Long property, Little Shasta Rd, 5 mi E of Montague. Comment
  CAS-BOT-BC384987  Cerastium dichotomum T. C. Fuller 1962-5-18 8475 Siskiyou B. M. Long prop., Little Shasta Rd., 5 mi. e. of Montague Comment
  CAS-BOT-BC384990  Cerastium dichotomum C. S. Giebner 1963-4-30 s.n. Siskiyou Chili Hammond prop., halfway bet. Yreka and Montague Comment
  CDA3344  Cerastium glomeratum T. C. Fuller 1962-5-17 8742 Siskiyou Behind El Rancho Motel, Yreka. 0 Comment
  UC15095  Cercis occidentalis Milo S. Baker 1893-6 Siskiyou 6 mi below Bartles; McCloud River Comment
  UC1034587  Cercocarpus betuloides var. macrourus Milo S. Baker and Douglas Barbe 1955-7-1 81 Siskiyou 2.1 mi n of Callahan (at the mouth of Limekiln Gulch); Klamath Mountains, Limekiln Gulch 975 Comment
  POM316818  Cercocarpus ledifolius Patricia Wilder 1965-9-29 4191 Siskiyou Lava Beds National Monument at campground, Tule Lake 1372 Comment
  POM351687  Chaenactis carphoclinia M. B. Dunkle 1945-1 9286 Siskiyou Klamath National Forest, Marble Mountains, Kings Castle 2378 Comment
  CAS-BOT-BC276755  Chaenactis douglasii var. douglasii Louis C. Wheeler 1934-6-15 2715 Siskiyou Hungry Creek, Siskiyou Mountains 1280 Comment
  CHSC69819  Chaenactis douglasii var. douglasii D. M. Thomson 1965-6-30 120 Siskiyou Lava Beds N.M. On cave loop road, near Catacombs Cave. Comment
  CAS-BOT-BC276770  Chaenactis douglasii var. douglasii L. E. Smith 1913-7-12 461 Siskiyou Igerna Comment
  HSC46952  Chaenactis douglasii var. douglasii William J. Ferlatte 1974-7-15 1542 Siskiyou Yellow Rose Mine; On tailings from mine shaft 1982 Comment
  RSA215647  Chaenactis douglasii var. douglasii Gilbert Muth 1969-8-7 1252 Siskiyou Boulder Peak Ridge. 2470 Comment
  UC584274  Chaenactis suffrutescens G. L. Stebbins Jr. and J. A. Jenkins 1937-7-19 2440 Siskiyou 1 to 3 mi s of Greenview (along w side of Scott Valley); Scott Valley 853 Comment
  UCR136932  Chamaebatiaria millefolium J. W. Thompson 1936-7-8 13151 Siskiyou Lava Bed National Monument Comment
  MACF017396  Chamaecyparis Trudy R. Ericson 1974-8-8 218 Siskiyou About 17 mi. northwest of Happy Camp on road to Cave Junction, Oregon Comment
  CAS-BOT-BC85661  Chamaecyparis lawsoniana W. R. Dudley 1905-7-7 s.n. Siskiyou Shasta Springs Comment
  CHSC64  Chamaecyparis lawsoniana K. Jaekel 1939-7-1 Siskiyou Near Dunsmuir. 609 Comment
  HSC65290  Chamaecyparis lawsoniana Rich White 1978-7-18 258 Siskiyou Near stream outlet of Raspberry Lake. 1555 Comment
  RSA593940  Chamaecyparis lawsoniana L. C. Wheeler 1963-9-5 8350 Siskiyou Siskiyou Mountains. Sanger Lake. Comment
  UC54566  Chamaesaracha nana H. M. Hall and E. B. Babcock Jun 1903 4041 Siskiyou Sisson; Sierra Nevada Mountains, Mount Shasta 1066 Comment
  RSA624995  Chamaesyce maculata L. C. Wheeler 1963-8-23 8266 Siskiyou Klamath River: Walker (near Oak Knoll). Comment
  JEPS9008  Chamaesyce ocellata subsp. ocellata W. L. Jepson 1914-8-13 6159 Siskiyou Dunsmuir 670 Comment
  POM138054  Chamaesyce serpillifolia M. S. Baker 1897-08 147 Siskiyou On road to Medicine Lake. Comment
  UC164158  Chamaesyce serpyllifolia Geo. D. Butler 1908-8-15 70 Siskiyou dry falls near Yreka Comment
  HSC29136  Chamerion angustifolium subsp. circumvagum Frederick W. Oettinger 1968-8-2 365 Siskiyou Marble Mtn. Wilderness Area, Diamond Lake 2073 Comment
  JEPS78157  Chamerion angustifolium subsp. circumvagum Gary W. Zamzow 1972-7-20 98 Siskiyou near Hwy 89 28.8 mi nw from junction with Highway 299 (near water course) 1158 Comment
  UC873180  Chamerion angustifolium subsp. circumvagum A. A. Heller 1916-6-23 12434 Siskiyou near Black Butte (n of Sisson) 1127 Comment
  CAS-BOT-BC68218  Cheilanthes gracillima Maxine Wilkes 1940-8-1 s.n. Siskiyou Deep Lake, Marble Mts. Comment
  CAS-BOT-BC68250  Cheilanthes gracillima J. H. Thomas 1954-5-14 4173 Siskiyou Salmon Mountains, Klamath National Forest - Near South fork of Salmon River, 5 to 9 miles souteast of Cecilville, 1219 Comment
  JEPS355  Cheilanthes gracillima Geo. D. Butler 1910-7-12 1754 Siskiyou Shackelford Creek Shackelford Creek Comment
  CAS-BOT-BC68211  Cheilanthes gracillima Donald Branscomb 1958-7-1 s.n. Siskiyou Castle Lake 1706 Comment
  SEINET13243305  Cheilanthes gracillima Robert T. Clausen, Trapido, Harold 1940-7-26 4953 Siskiyou FLORA OF NORTH AMERICA PACIFIC SLOPE GEOGRAHICAL PROVINCE: So. Cascade Mts. east side of canyon on Mud Creek, Mt. Shasta 1585 Comment
  SEINET5764003 Image available Chenopodium berlandieri A. A. Heller 1915-1 12212 Siskiyou Metcalf's ranch, northeast base of Mount Eddy 1189 Comment
  CAS-BOT-BC451435  Chimaphila menziesii Wm. Bridge Cooke 1938-8-5 11458 Siskiyou Mount Shasta: along the Sisson Southern Trail 1828 Comment
  HSC67858  Chimaphila menziesii J. P. Smith, Steve Selva 1970-6-16 3992 Siskiyou 6 mi. from Hwy. 3 on Rd. 8 to Sugar Creek. 1280 Comment
  RSA187382  Chimaphila menziesii H. A. Thomas, J. H. Thomas, Alan Thomas 1954-7-21 4420 Siskiyou Salmon - Trinity Mts. About 6 miles SE of Cecilville. West side of Rush Creek. 1159 Comment
  UC722500  Chimaphila menziesii C. L. Hitchcock and J. S. Martin 1939-7-7 5269 Siskiyou ca. 13 mi. s. Takilma, Oregon; Sanger Peak Trail 1066 Comment
  RSA238568  Chimaphila menziesii Frederick W. Oettinger 1968-8-7 432 Siskiyou At Base Camp Meadow' mid-way down Diamond-Hancock Lake trail. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2012 Comment
  UCD117374  Chimaphila menziesii John M. Tucker; L. K. Mann 1963-7-4 3693 Siskiyou Beside road from Etna to Sawyer's Bar, ca. 4.7 miles (by road) southwest of Etna. Comment
  CAS-BOT-BC452255  Chimaphila umbellata W. R. Dudley 1899-8-15 s.n. Siskiyou Black Fox Mountains Comment
  CAS-BOT-BC452270  Chimaphila umbellata Alice Eastwood 1912-7-23 1352 Siskiyou Cantara Comment
  HSC30457  Chimaphila umbellata Frederick W. Oettinger 1968-8-7 440 Siskiyou Marble Mtn. Wilderness Area, just N of Tobacco Lake 1890 Comment
  POM258013  Chimaphila umbellata subsp. occidentalis C. L. Hitchcock, J. S. Martin, A. S. Hitchcock 1939-7-8 5300 Siskiyou 15 miles north of Happy Camp on Happy Camp-Tailma Hiway. 915 Comment
  SEINET7075526  Chlorogalum angustifolium A. G. Vestal 1955-5-16 s.n. Siskiyou About 6.2 miles northwest of Weed. 41? deg. 28' 27" North Latitude, -122? deg. 28' 53" West Longitude. UTM Zone 10, 543291mE, 4591309mN. (NAD 27). [Coordinate Datum: WGS84/NAD83]. Comment
  CAS-BOT-BC497626  Chlorogalum angustifolium Lewis S. Rose 1945-6-22 45178 Siskiyou Horse Creek & Klamath River 502 Comment
  CAS-BOT-BC498814  Chlorogalum pomeridianum Doris K. Kildale 1929-7-20 8651 Siskiyou trail up South Fork Indian Creek to Elk Lick. Comment
  SEINET12057288  Chlorogalum pomeridianum F. H. Utech 1978-7-1 78 -264 Siskiyou Klamath National Forest, Young's Valley Comment
  JEPS37852  Chrysolepis chrysophylla Geo. D. Butler 1908-8-26 491 Siskiyou w side Salmon Mountain (along grade) 1524 Comment
  OBI55421  Chrysolepis chrysophylla var. chrysophylla David J. Keil 1992-7-20 23498 Siskiyou Klamath Natl Forest, SW of Fort Jones. Along forest Road 44N45, 8.1 mi S of Scott River Rd, 2.7 mi S of turnoff to Lover's CAmp Comment
  RSA34968  Chrysolepis sempervirens Roxana S. Ferris, Laura Lorraine 1941-8-11 10508 Siskiyou About 7 miles from Medicine Lake on road to Modoc Lava Beds National Monument; Shasta National Forest. Comment
  JEPS22375  Chrysothamnus viscidiflorus subsp. viscidiflorus W. L. Jepson 1940-6-23 20021 Siskiyou near Andesite Station (along Weed-Klamath Falls highway) 975 Comment
  UC1136965  Chrysothamnus viscidiflorus subsp. viscidiflorus H. A. Jensen 1933-8-29 344 Siskiyou near Cedar Park School; Dunsmuir Quad. 883 Comment
  RSA239134  Cinna latifolia Frederick W. Oettinger, Robert F. Thorne 1969-8-4 1165 Siskiyou Between Base Camp and Hancock Lake. Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1951 Comment
  CHSC72227  Cirsium arvense Vernon H. Oswald; Lowell Ahart 1998-9-16 9633 Siskiyou Hwy. 161 adjacent to a marsh at the Lower Klamath NWR 5.3 mi east of Hwy. 97. 1243 Comment
  CHSC91197  Cirsium cymosum Lowell Ahart; John Dittes 2005-6-10 12056 Siskiyou Meadow area, on the west side of a poor dirt road, about 1.6 miles (air) south of Highway 99/97 Cutoff, about 5 3/4 miles (air) east-southeast of Grenada. 799 Comment
  CHSC91258  Cirsium cymosum Lowell Ahart; John Dittes 2005-6-10 12126 Siskiyou Hillside, north of the rock fence, about 100 yards southeast of the pump house along the Shasta River, about 1.9 miles (air) south of Highway 99/97 Cutoff, about 6 miles (air) east-southeast of Grenada. 776 Comment
  CAS-BOT-BC278046  Cirsium cymosum John Thomas Howell 1952-6-15 28361 Siskiyou Montague Comment
  CAS-BOT-BC279890  Cirsium douglasii var. breweri Peter H. Raven 1956-9-5 10442 Siskiyou North Fork of Sacramento River 2194 Comment
  UC60987  Cirsium douglasii var. breweri Geo. B. Grant 1902-9-1 5149 Siskiyou Sisson Mount Shasta, Sisson 914 Comment
  UCD130606  Cirsium douglasii var. breweri A. H. Murphy 1956-8-16 56 L Siskiyou Big Marshy Meadows, Klamath National Forest. 1981 Comment
  CAS-BOT-BC279887  Cirsium douglasii var. breweri W. R. Dudley 1901-8-25 s.n. Siskiyou By trail to Criol's Jackson Creek - Salmon Mts. Comment
  POM53737  Cirsium douglasii var. breweri E. B. Copeland 1903-8-14 3934 Siskiyou Sisson 1067 Comment
  JEPS59330  Cirsium occidentale var. candidissimum W. L. Jepson 1940-6-22 19976 Siskiyou near Hawkinsville; Shasta River 792 Comment
  CAS-BOT-BC285521  Cirsium occidentale var. candidissimum Laura M. Lathrop 1903-7-20 s.n. Siskiyou Shasta Retreat Comment
  HSC72015  Cirsium occidentale var. candidissimum J. P. Smith, J. O. Sawyer, Kevin Sawyer, Jane Sawyer 1976-9-5 8977 Siskiyou 1/5 mi. W of State Rte. 3 on Road 8 671 Comment
  RSA0070695  Cirsium occidentale var. candidissimum Geo. D. Butler 1910-6-2 1449 Siskiyou Near Yreka. Comment
  CAS-BOT-BC288766  Cirsium remotifolium Thomas W. Nelson; Jane P. Nelson 1980-7-19 6197 Siskiyou Coffee Creek Quad. Along FS Road 39N01 ca 1 mile from junction with FS Rd 39N01 365 Comment
  CAS-BOT-BC288777  Cirsium remotifolium J. R. Grisham 1960-7-14 s.n. Siskiyou US Rangeland, 15 miles N/Cecilville Comment
  OBI54117  Cirsium remotifolium var. odontolepis David J. Keil 1992-7-20 23495 Siskiyou Klamath NF, W of Fort Jones. Along Forest Rd 44N45, 4.4 mi S of Scott river rd Comment
  CAS-BOT-BC285892  Cirsium vulgare A. A. Heller 1920-8-11 13501 Siskiyou Metcalf's ranch, northeast base of Mt. Eddy 1158 Comment
  CAS-BOT-BC228956  Cistanthe umbellata Doris K. Kildale; J. W. Gillespie 1929-6-22 8038 Siskiyou Base of Black Butte, Mt Shasta Comment
  SJSU6071  Clarkia rhomboidea R. W. Trivelpiece 1971-7-5 45 Siskiyou Little Shasta Cr c. 8 mi E of Shasta Valley 1219 Comment
  UC454552  Clarkia rhomboidea I. J. Condit 1911-7-31 Siskiyou along S.P.R.R. Shasta Springs Comment
  JEPS116876  Clarkia rhomboidea David Gowen 2007-7-11 779 Siskiyou Southeast of Lake Shastina and Hwy 97 on forest service road 42N15. Near rocky area on side trail, midway between railroad tracks and pumice mine. Comment
  RSA0080498  Claytonia lanceolata P. A. Munz 1952-7-2 17908 Siskiyou Ridge west of Baldy Mt. L. O., 6 mi. by air west of Happy Camp. Siskiyou Mts. 1768 Comment
  HSC36957  Claytonia rubra subsp. rubra J. P. Smith 1974-5-26 7557 Siskiyou Along FS Rd. 47N03 1524 Comment
  JEPS24436  Claytonia saxosa Dorothy Boedecker 1941-3-17 Siskiyou e side Scott Valley 914 Comment
  SBBG30594  Claytonia sibirica D. Myrick 1968-6-25 2026 Siskiyou Adams Crk above Mountain Meadow Ranch, Big Flat, Coffee Crk; Trinity Alps 1828 Comment
  UC452678  Claytonia sibirica Dr. E. B. Copeland 1903-8-13 3891 Siskiyou Sisson 1066 Comment
  CAS-BOT-BC443865  Claytonia sibirica F. J. Kirby 1958-7-1 1199 Siskiyou Swillup Campground, 25 miles s. of Happy Camp 609 Comment
  POM164048  Claytonia sibirica E. B. Copeland 1903-8-13 3891 Siskiyou Sisson. 1067 Comment
  JEPS100601  Claytonia umbellata Dean W. Taylor 1988-7-11 9974 Siskiyou headwaters of Eddy Creek; The Eddys, Trinity Mountains; The Eddys, Trinity Mountains, headwaters of Eddy Creek and western tributary of Dale Creek; on ridgetop 0.2 to 0.8 east from summit of Forest Road 40N45. 2377 Comment
  CAS-BOT-BC92760  Clematis ligusticifolia H. A. Thomas; J. H. Thomas 1954-7-23 4460 Siskiyou Salmon-Trinity Mountains, about 6 miles southeast of Cecilville. 883 Comment
  CHSC1441  Clematis ligusticifolia 1937-8-1 Siskiyou Mt. Shasta. 1219 Comment
  UC144225  Cleome platycarpa A. A. Heller 1905-6-9 8010 Siskiyou Montague Comment
  HSC61809  Clintonia uniflora Ruby Van Deventer 1955-7-31 Siskiyou Poker Flat 1585 Comment
  RSA211390  Clintonia uniflora W. J. Ferlatte 1966-7-7 221 Siskiyou Big Flat. Wooded area near public camp, across river from camp. 1524 Comment
  RSA261378  Collinsia linearis J. M. Tucker, L. K. Mann 1963-7-4 3691 Siskiyou Beside road from Etna to Sawyer's Bar, ca. 4.7 miles (by road) southwest of Etna. Comment
  UC1001180  Collinsia linearis Dorothy Parker 1953-5-24 537 Siskiyou Siskiyou Mountains, Scott River Scott River; Siskiyou Mountains, Scott River 687 Comment
  UCD123561  Collinsia linearis John M. Tucker; L. K. Mann 1963-7-4 3691 Siskiyou Beside road from Etna to Sawyer's Bar, ca. 4.7 miles (by road) southwest of Etna. Comment
  HSC69135  Collinsia rattanii Maralyn A. Renner 1980-8-8 2467 Siskiyou Klamath National Forest, near trail, ~0.5 mi. down from Rattlesnake Meadow 1555 Comment
  HSC72473  Collinsia rattanii J. P. Smith 1973-5-5 6462 Siskiyou Along Cook and Green Pass Rd. Comment
  RSA724917  Collinsia torreyi var. latifolia L. P. Janeway 2006-7-3 8751 Siskiyou Klamath Ranges. Salmon Mountains; Music Creek Trailhead near upper Music Creek. 1893 Comment
  RSA211303  Collinsia torreyi var. latifolia William J. Ferlatte 1966-6-22 99 Siskiyou Along the South Fork of the Salmon River between the campgrond and Carter's; Trinity Alps. 1524 Comment
  RSA211393  Collinsia torreyi var. latifolia William J. Ferlatte 1966-7-7 193 Siskiyou Caribou Basin. Trinity Alps. 1982 Comment
  JEPS71023  Collomia grandiflora Geo. D. Butler 1909-6-5 796 Siskiyou dry fields near Yreka Comment
  SEINET3163565  Collomia grandiflora G. D. Butler 1910-5-19 1366 Siskiyou Yreka Comment
  SEINET2445655  Collomia grandiflora J. P. Smith, J. O. Sawyer 1972-5-28 5361 Siskiyou 1 mile South of Etna on State Route 3.; 0 914 Comment
  HSC45982  Collomia heterophylla J. P. Smith 1973-5-5 6534 Siskiyou Scott Bar along the Scott River Comment
  UC639095  Collomia tinctoria W. Bridge Cooke 1939-8-10 13852 Siskiyou on bottom of creek just below opening of canyon; Mount Shasta, Mud Creek 1676 Comment
  UCD77564  Collomia tinctoria Robert E. Preston 2001-7-21 1733 Siskiyou Rainbow Mountain and Vicinity. Klamath National Forest, Rainbow Mountain. 2158 Comment
  HSC16941  Collomia tinctoria R. C. Wunner 1965-6-15 204 Siskiyou Lava Beds N.M., SE side Caldwell Butte, 3/4 of way down Butte 1463 Comment
  HSC119  Collomia tracyi William J. Ferlatte 1967-8-23 1103 Siskiyou Kidd Creek Trail, densely wooded canyon 1677 Comment
  HSC27095  Conyza canadensis J. P. Smith, J. O. Sawyer 1972-9-14 5806 Siskiyou Miner's Creek Rd. just S of French Creek Rd. between Callahan and Etna. 915 Comment
  HSC496  Corallorhiza maculata William J. Ferlatte 1966-6-22 111 Siskiyou 3 mi. S of Big Flat 1585 Comment
  JEPS80487  Corallorhiza maculata Gilbert Muth 1966-7-14 397 Siskiyou Marble Valley Marble Mt. Wilderness Area 1792 Comment
  UC164418  Corallorhiza maculata Geo. D. Butler 1910-6-5 1479 Siskiyou Shackelford Creek Comment
  SJSU2576  Corallorhiza mertensiana H. L. Buckalew 1962-7-7 Siskiyou Poker Flat c. 3 mi W of junction of Indian Creek with W Branch of Indian Creek 1066 Comment
  SBBG55406  Cordylanthus tenuis subsp. pallescens F. W. Pennell 1940-7-18 26184 Siskiyou Route 99, 2-3 mi N of Mount Shasta City; ISOTYPE: C. pallescens 1158 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
  JEPS86235  Cordylanthus tenuis subsp. viscidus L. R. Heckard 1979-8-28 5160 Siskiyou 1 mi s of downtown Dunsmuir (below Hwy 5) 822 Comment
  RSA746515  Cordylanthus tenuis subsp. viscidus K. M. Meyer, A. Townesmith 2007-7-31 174 Siskiyou Shasta-Trinity National Forest, 5.3 mi. on NF rd. 17, off US Hwy. 97, turn out right before foest road 42N19 1298 Comment
  SBBG100088  Cordylanthus tenuis subsp. viscidus G. T. Robbins, C. L. Custer 1954-8-13 4795 Siskiyou lower part of grade over Scott Mtn, on rd from Callahan to Carrville, 1.2 mi above (and S of) jct with Gazelle Rd 1097 Comment
  RSA422821  Cornus L. C. Wheeler 1934-7-16 2909 Siskiyou Oak Knoll Ranger Station, on Klamath River. Mt. Diablo Mer. 671 Comment
  CAS-BOT-BC212275  Cornus glabrata Louis C. Wheeler 1934-7-16 2909 Siskiyou Oak Knoll Ranger Station, Klamath R. 670 Comment
  HSC65078  Cornus glabrata J. P. Smith, Steve Selva 1970-6-15 3937 Siskiyou Road between Forks of Salmon and Cecilville. 579 Comment
  CAS-BOT-BC212055  Cornus nuttallii J. H. Thomas 1954-5-13 4162 c Siskiyou Near South Fork of Salmon River, 5 to 9 miles southeast of Cecilville, along Rush Creek, Salmon Mountains, Klamath National Forest 1127 Comment
  CAS-BOT-BC212070  Cornus nuttallii Edward Lee 1934-8-11 1029 Siskiyou Walker Creek, a tributary of the Klamath River, east end of Seiad Valley 609 Comment
  RSA47649  Cornus nuttallii Roxana S. Ferris, Laura Lorraine, R. T. Ferris 1948-6-12 11748 Siskiyou French Creek logging road west of Callahan. 1067 Comment
  UC642549  Cornus nuttallii W. Bridge Cooke 1939-8-4 13804 Siskiyou along the Sisson Southern Trail Mt. Shasta Comment
  UC875888  Cornus nuttallii Alice Eastwood 1912-9-4 2095 Siskiyou Sisson Comment
  CAS-BOT-BC210411  Cornus sericea A. A. Heller 1905-6-15 8043 Siskiyou On the banks of the Sacramento west of and near Sisson Comment
  CAS-BOT-BC210419  Cornus sericea A. A. Heller 1905-6-15 8043 Siskiyou On the banks of the Sacramento west of and near Sisson Comment
  CAS-BOT-BC210471  Cornus sericea subsp. occidentalis Geo. D. Butler 1910-6-4 1490 Siskiyou Shackleford Creek Comment
  HSC19270  Cornus sericea subsp. sericea J. O. Sawyer 1968-7-10 500 Siskiyou Along S Sugar Creek. 1768 Comment
  HSC26907  Cornus sericea subsp. sericea J. P. Smith, J. O. Sawyer 1971-9-17 4789 Siskiyou Horse Range Creek drainage along road. Comment
  JEPS50179  Cornus sericea subsp. sericea Geo. D. Butler 1908-8-7 84 Siskiyou border of lake at head of Wooly Creek 1676 Comment
  UC375260  Corylus californica Geo. D. Butler 1908-7-12 1073 Siskiyou near Yreka Comment
  CAS-BOT-BC180192  Corylus cornuta subsp. californica Carl B. Wolf 1927-8-26 1067 Siskiyou On the Klamath River, 8 mi above Hamburg Comment
  HSC101719  Crataegus gaylussacia J. P. Smith, J. O. Sawyer 2011-6-25 13279 Siskiyou Along Lighthill Road, 0.1 mile north of Hwy. 3. 832 Comment
  HSC101756  Crataegus gaylussacia J. P. Smith, J. O. Sawyer 2011-9-3 13406 Siskiyou Fence row along Cole Rd. to Siskiyou Summit 910 Comment
  CHSC3381  Crataegus suksdorfii Alice L. Stoll 1966-5-14 184 Siskiyou 1 miles N.E. of Callahan. Comment
  JEPS93879  Crepis acuminata Vernon H. Oswald and Lowell Ahart 1998-7-21 9319 Siskiyou Highway 97 at the 11.0 mi marker 1.2 mi w of A12 ne of Weed; Highway 97. 1188 Comment
  UC313841  Crepis bakeri subsp. cusickii J. L. Collins 1927-6-9 Siskiyou 5 mi n Hornbrook; Siskiyou Mts. Comment
  UCD130937  Crepis modocensis subsp. subacaulis Geo. C. Wood 1940-4-30 s.n. Siskiyou Yreka. Comment
  CAS-BOT-BC299654  Crepis monticola E. B. Babcock; G. L. Stebbins, Jr. 1936-6-11 1930 Siskiyou About 8 mi. south of Yreka 822 Comment
  JEPS36499  Crepis occidentalis Harley P. Chandler June, 1901 1644 Siskiyou Marble Mountain North Coast Ranges 2438 Comment
  HSC24116  Crepis occidentalis subsp. conjuncta J. O. Sawyer 1971-7-2 2402 Siskiyou S of Sawtooth Mtn. 1677 Comment
  HSC44385  Crepis occidentalis subsp. occidentalis M. A. Baker 1977-5-22 321 Siskiyou N facing slope of hill just S of Whipple Ranch 976 Comment
  HSC92864  Crepis occidentalis subsp. pumila Jennifer Whipple 1976-6-30 1196 Siskiyou SE slope of Mt. Eddy, draining into the N Fork of the Sacramento River 2226 Comment
  UC581287  Crepis occidentalis subsp. pumila G. L. Stebbins Jr. and E. B. Babcock 1936-6-11 1939 Siskiyou old river terrace about 8 mi s Yreka 1180 Comment
  CAS-BOT-BC290878  Crepis pleurocarpa Alice Eastwood 1921-7-24 10780 Siskiyou Castle Lake Comment
  CAS-BOT-BC376506  Crepis pleurocarpa John Thomas Howell 1937-7-21 13192 Siskiyou South Fork of Salmon River near Big Flat 1524 Comment
  UC895344  Crepis pleurocarpa L. E. Smith 1913-7-12 474 Siskiyou Sulloway Creek Comment
  RSA256609  Cryptantha milobakeri J. P. Smith, Advanced plant taxonomy class-1975 1974-5-25 7393 Siskiyou Along road 8, 0.9 miles from its jct with State Route 3. 976 Comment
  HSC82248  Cryptantha torreyana Thomas W. Nelson, Jane P. Nelson 1980-7-5 5983 Siskiyou Fowler's Campground 1006 Comment
  JEPS67870  Cryptantha torreyana Geo. D. Butler 1909-5-3 762 Siskiyou Humbug Mtn. Comment
  CAS-BOT-BC70534  Cryptogramma cascadensis W. B. C. 1938-8-18 11502 Siskiyou Lower Horse Camp Slopes above Horse Camp 2514 Comment
  CAS-BOT-BC80533  Cupressus bakeri Frank Callahan; John Erwin 1998-8-8 s.n. Siskiyou Goosenest Mtn., south of Ball Mtn./Little Shasta Rd. (uphill south of Smith's Sawmill [Historical]) 1676 Comment
  CAS-BOT-BC80557  Cupressus bakeri C. O. Stone 1964-6-20 290 Siskiyou unspecified 1085 Comment
  NY16610  Cupressus bakeri C. B. Wolf 1934-10-8 6167 Siskiyou Modoc Lava Beds, 1 mile northeast of Timbered Crater on Old Stage Road from Dana to Little Hot Springs Valley 1219.2 Comment
  UC61050  Cynoglossum occidentale W. A. Setchell, C. C. Dobie 1902-7-14 Siskiyou Sisson Mt. Shasta, Sisson Comment
  RSA190704  Cynoglossum occidentale T. C. Fuller 1967-6-27 16034 Siskiyou Siskiyou County, W side of road to McCloud Reservoir, 0.3 mile S of McCloud Comment
  CDA5635  Cynoglossum officinale Wm. Nichols 1959-5-1 2310 Siskiyou McCloud. 0 Comment
  HSC36703  Cynosurus echinatus Brent Whiteley 1975-6-23 39 Siskiyou 223 Comment
  HSC7280  Cyperus bipartitus C. B. Wolf 1927-8-26 1085 Siskiyou Klamath River 14 mi. above Happy Camp Comment
  CDA30916  Cyperus odoratus M. Beyers, G. F. Hrusa 2010-8-18 697 Siskiyou Highway 96; Sluice Box Klamath River Access. 556 Comment
  HSC79094  Cyperus squarrosus Paul Wilson 1984-8-29 358 Siskiyou Juanita Lake Reservoir, next to lake edge 1555 Comment
  CAS-BOT-BC133734  Cypripedium californicum A. A. Heller 1919-6-29 13282 Siskiyou Field redacted by CAS, contact the data manager for more information Comment
  UC727006  Cypripedium californicum A. A. Heller 1919-6-29 13282 Siskiyou near Wagon Creek Falls Comment
Read comments
Jun 24 2013
  RSA50165  Cypripedium montanum E. K. Balls 1949-7-10 13957 Siskiyou 5 miles from Sawyers Bar on road to Cecilville. 1220 Comment
  JEPS82451  Cystopteris fragilis Gilbert Muth 1966-7-17 404 Siskiyou trail to Lookout (Marble Mt. Wilderness Area); Marble Mountain Wilderness Area 1828 Comment
  RSA237513  Cystopteris fragilis Frederick W. Oettinger 1969-7-11 984 Siskiyou Near summit of Little Medicine Mountain (north of Hancock Lake). Salmon Mtns. High Lake Basin in the vicinity of English Peak. Marble Mountain Wilderness Area. 2104 Comment
  UC1183426  Cystopteris fragilis P. Quentin Tomich 1954-6-29 435 Siskiyou Silver Cave entrance Silver Cave; Lava Beds Nat'l Monument 1402 Comment
  JEPS82418  Dactylis glomerata Gilbert Muth 1966-8-1 489 Siskiyou Marble Mt. Wilderness Area Marble Valley; , Marble Valley horse pasture 1792 Comment
  RSA239099  Dactylis glomerata Frederick W. Oettinger 1968-9-6 739 Siskiyou Tom's Lake region . The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2188 Comment
  UCD60516  Danthonia californica R. Tofsrud 1948-8-3 s.n. Siskiyou Poker Flat, near Del Norte Co. border. Comment
  SEINET10598237  Danthonia californica George D. Butler 1910-7-8 Butler 1660 Siskiyou Wet meadow, Shackleford Creek. 1219 Comment
  RSA233683  Danthonia intermedia R. F. Thorne, Frederick W. Oettinger 1969-8-10 38960 Siskiyou Mt. Shasta National Forest: S slope of Mt. Shasta, Panther Creek Meadows. Comment
  HSC19074  Danthonia intermedia subsp. intermedia J. O. Sawyer 1969-8-5 1753 Siskiyou W of Little Duck Lake 2073 Comment
  CAS-BOT-BC76240  Darlingtonia californica Carl Purdy 1897-1-1 s.n. Siskiyou Mount Shasta. Comment
Read comments
Nov 6 2019
  HSC82222  Darlingtonia californica Thomas W. Nelson, Jane Nelson, J. P. Smith 1978-7-24 4542 Siskiyou Siskiyou-Trinity County line, head of Scott Mtn. Creek, S of Forest Service campground 1646 Comment
  OBI55413  Darlingtonia californica David J. Keil, Kathleen Keil 1992-7-21 23545 Siskiyou Klamath Natl Forest SE of Callahan. Forest Road 40N08, 1.7 mi W of Scott Mtn rd (hwy 3) Comment
  UCD119059  Darlingtonia californica Collector unknown Date unknown s.n. Siskiyou Mt. Shasta. Comment
Read comments
Nov 6 2019
  UC144313  Darmera peltata A. A. Heller 1905-6-1 7922 Siskiyou between Dunsmuir and Upper Soda Spring Comment
  POM211409  Datura stramonium Louis C. Wheeler 1934-10-28 3350 Siskiyou Yreka. 823 Comment
  UC1191432  Delphinium Herbert L. Mason 1948-7-18 13626 Siskiyou Grass Lake Comment
  CAS-BOT-BC1413  Delphinium andersonii subsp. cognatum Elmer Ivan Applegate 1935-6-2 9282 Siskiyou West base of Sconchin Butte, Lava Beds National Monument Comment
  HSC98361  Delphinium depauperatum G. L. Clifton 1979-7-1 6170 Siskiyou Near Poker Flat, close to the town of Happy Camp 1538 Comment
  CAS-BOT-BC8969  Delphinium depauperatum Lincoln Constance; Reed Clark Rollins 1942-5-14 2926 Siskiyou Road to Walker Post Office, 4 miles west of Yreka, Klamath-Siskiyou Region 1219 Comment
  CAS-BOT-BC8970  Delphinium depauperatum Dorothy Inez Parker 1967-6-1 s.n. Siskiyou Scott Mountain 1524 Comment
  HSC28666  Delphinium depauperatum Frederick W. Oettinger 1969-7-18 1054 Siskiyou Marble Mtn. Wilderness Area, SW of Upper English Lake 1951 Comment
  CAS-BOT-BC9886  Delphinium nudicaule Elmer Ivan Applegate 1935-6-10 9484 Siskiyou South cinder slope of Caldwell Butte, Lava Beds National Monument Comment
  CAS-BOT-BC9889  Delphinium nudicaule Elmer Ivan Applegate 1895-5-29 10 a Siskiyou Sisson Comment
  CAS-BOT-BC116165  Delphinium nuttallianum A. A. Heller 1916-6-20 12401 Siskiyou Metcalf's ranch, northeast base of Mt. Eddy. 1188 Comment
  HSC44963  Delphinium nuttallianum J. O. Sawyer 1978-6-21 3279 Siskiyou Marble Mtn. Wilderness Area, along trail N of Clear Lake 1951 Comment
  CAS-BOT-BC118067  Delphinium nuttallianum Elmer Ivan Applegate 1895-5-29 937 Siskiyou Sisson Comment
  JEPS23390  Delphinium nuttallianum Hilda W. Grinnell 1935-6-7 Siskiyou Dry Lake Ranger Station (really D. L. Lookout) Siskiyou Mts., Klamath Nat. Forest (top of slope above snowbanks, n of and above Horse Creek P.O. on the Klamath River) 2062 Comment
  CAS-BOT-BC201636  Deschampsia danthonioides Louis C. Wheeler 1934-6-10 2674 Siskiyou Hungry Creek, Siskiyou Mts. 1097 Comment
  POM365038  Deschampsia danthonioides M. B. Dunkle 9352 Siskiyou Klamath Nat'l Forest. Marble Mts. 1982 Comment
  CAS-BOT-BC201936  Deschampsia elongata Doris K. Kildale 1928-8-20 6595 Siskiyou Lily Pad Lake, near Hancock Lookout on trail to Marble Mt. Comment
  HSC68985  Deschampsia elongata Maralyn A. Renner 1980-7-24 2061 Siskiyou Lily Pad Lake 1768 Comment
  UC204770  Deschampsia elongata Geo. D. Butler 1910-7-13 1769 Siskiyou Shackleford Creek 1219 Comment
  CAS-BOT-BC42980  Descurainia incisa subsp. incisa Maxine Wilkes 1940-8-1 s.n. Siskiyou Marble Mountains. Deep Lake. Comment
  CAS-BOT-BC43268  Descurainia pinnata subsp. glabra George Dexter Butler 1909-1-12 895 Siskiyou McAdams Creek. Comment
  HSC60153  Dicentra formosa D. L. Goforth 1979-7-7 236 Siskiyou Klamath National Forest, Condrey Mtn., near Dear Camp 1860 Comment
  CAS-BOT-BC33273  Dicentra pauciflora Edward Lee Greene 1876-8-22 s.n. Siskiyou Scott Mountains Comment
  HSC46046  Dichelostemma multiflorum Maralyn O'Meara 1974-5-25 430 Siskiyou On Rd. 8, 2.4 mi. W of junction with Hwy. 3 1006 Comment
  RSA120196  Dichelostemma multiflorum S. S. Tillett 1956-7-11 701 Siskiyou just N of campground, Scott Mtn divide, Siskiyou - Trinity County line, 8 mile SE of Callahan. 1631 Comment
  CAS-BOT-BC500991  Dichelostemma multiflorum John Thomas Howell; T. C. Fuller; G. D. Barbe 1980-5-21 53568 Siskiyou Yreka 822 Comment
  SEINET3885606  Dichelostemma multiflorum Alv Dan Youngberg 1964-6-15 25 Siskiyou Growing on the forest floor along Elk Creek. Humbolt Meridian.; 0 427 Comment
  CAS-BOT-BC291011  Dieteria canescens var. shastensis Louis C. Wheeler 1934-8-24 3218 Siskiyou Trapper Creek, Siskiyou Mts. 1859 Comment
  UC598535  Dieteria canescens var. shastensis C. Hart Merriam 1898-7-17 3 Siskiyou Mt. Shasta Comment
  UC61649  Dieteria canescens var. shastensis Geo. B. Grant September 1902 5119 Siskiyou Horse Camp, Mt. Shasta Mt. Shasta 2438 Comment
  HSC92724  Dieteria canescens var. shastensis Jennifer Whipple 1976-7-24 1548 Siskiyou Dobkins Lake Drainage on East-facing slopes above Dobkins Lake 2256 Comment
  CDA41641  Digitalis purpurea G. F. Hrusa 1998-7-5 14691 Siskiyou Siskiyou Mountains; Cedar Camp Rd. +- 5 mi. E of Weitchpec on Hwy 96. N side of Hwy. at mile 5.x. Sheet 2 of 2 Comment
  SBBG16031  Diplacus jepsonii D. Myrick 1961-6-22 318 Siskiyou St Hwy 89 near McCloud 914 Comment
  CHSC1777  Diplacus layneae M. Yoder 1941-7-12 Siskiyou Castle Lake. 1981 Comment
  CAS-BOT-BC153733  Diplacus nanus Peter H. Raven 1956-9-4 10412 Siskiyou On south side of Mt. Eddy 2682 Comment
  SEINET8255122  Diplacus nanus David M. Thompson 1988-6-5 933 Siskiyou 10.0 mi ne of Weed along Hwy 97, nw side of road. 1150 Comment
  SEINET8341672  Diplacus nanus W. B. Cooke, V. G. Cooke 1962-6-30 45418 Siskiyou near Military Pass Road above Andesite Crossing, Mt. Shasta. 1524 Comment
  SD53405  Dipsacus fullonum Darley F. Howe 1962-8-5 3398 Siskiyou 56.8 miles east of Happy Camp on #96, Bank of Klamath River. 609 Comment
  CAS-BOT-BC208638  Distichlis spicata David D. Keck 1949-7-19 6347 Siskiyou 2 mi. S of Grenada, along RR right-of-way. 777 Comment
  RSA461942  Dodecatheon A. C. Life 1924-3-22 14602 Siskiyou Camp Meeker-foot of Mt. Shasta. 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
  RSA211273  Dodecatheon jeffreyi William J. Ferlatte 1966-6-22 72 Siskiyou Josephine Lake basin; Trinity Alps. 1677 Comment
  RSA68858  Dodecatheon jeffreyi A. E. Culbertson 1943-6-29 98 Siskiyou In creek below Castle Lake; in north facing cirque with an abrupt 1000' backwall; 14 mi. s.w. of Mt. Shasta on n. side of A 6600' eastern spur of Trinity Mrs.; 2000' above Sacramento R. within 10 air miles of its headwaters to the west. 1657 Comment
  UC922512  Dodecatheon jeffreyi Annie M. Alexander and Louise Kellogg 1949-7-28 5883 Siskiyou Sky High Valley , Sky High Valley (Marble Mountains) 1767 Comment
  JEPS14471  Downingia montana W. L. Jepson 1940-7-3 20099 Siskiyou 5 mi se Bartle; Big Bear Flat 1219 Comment
  HSC90895  Draba carnosula Jennifer Whipple 1976-6-30 1181 Siskiyou S face of Mt. Eddy draining into the N fork of the Sacramento River 2500 Comment
  SEINET5342912  Draba howellii G. Butler 1910-7-10 1716 Siskiyou In rock crevices-Marble mountain. 1676 Comment
  CAS-BOT-BC41306  Draba pterosperma John Thomas Howell 1939-8-8 15160 Siskiyou Marble Mountains. Black Mountain. Comment
  RSA654055  Draperia systyla Beecher Crampton 1956-8-21 3839 Siskiyou Canyon of the south fork of the Sacramento River, lower slopes of White Ridge. 1372 Comment
  HSC77057  Drymocallis glandulosa K. T. Stillman 1976-8-7 189 Siskiyou Marble Mtn. Wilderness Area 1951 Comment
  CAS-BOT-BC159433  Drymocallis glandulosa var. glandulosa John Thomas Howell 1937-7-21 13157 Siskiyou South Fork of Salmon River near Big Flat 1524 Comment
  CAS-BOT-BC159440  Drymocallis glandulosa var. glandulosa David D. Keck 1938-8-6 4809 Siskiyou At Del Norte Co. line, Poker Flat, summit of Siskiyou Mts., 4 mi. S. of Oregon line, on road from Waldo to Happy Camp. 1554 Comment
  UC859897  Drymocallis glandulosa var. reflexa A. A. Heller 1916-6-20 12399 Siskiyou ne base Mt. Eddy; ne base of Mt. Eddy, Metcalf's Ranch 1188 Comment
  CAS-BOT-BC536650  Drymocallis pseudorupestris Wm. Bridge Cooke 1939-8-8 13829 Siskiyou Mount Shasta Comment
  UC1187074  Drymocallis rhomboidea David D. Keck 1940-6-13 5178 Siskiyou 9 mi s Macdoel (on U.S. 97 between Dorris and Weed); s of Macdoel, btw Dorris and Weed 1463 Comment
  HSC43054  Dryopteris arguta Ken Stillman 1976-8-24 445 Siskiyou E and N slopes of Williams Point 366 Comment
  SEINET5718064 Image available Eleocharis montevidensis Philip E. Hyatt 2002-1 11140 Siskiyou Happy Camp community. Along Klamath River. Collected while departing work on the Stanza Fire (Happy Camp) as a Base Camp Manager. In memory of engine E-11 Lassen NF; John Self, Hether DePaulo, Steve Ousatd. Happy Camp Elementary School Grounds; wet area, sewer smell, downslope form main school building in mown lawn. 41 deg. 47" 37.5" 123 deg. 22" 24.3". [See postcard.]; Klamath River Comment
  POM84475  Eleocharis palustris Geo D. Butler 1910-5-26 1410 Siskiyou Yreka. Comment
  CAS-BOT-BC451559  Elodea canadensis Louis C. Wheeler 1934-6-2 2624 Siskiyou Klamath National Forest, Cherry Flat, Klamath R. 518 Comment
  CAS-BOT-BC227924  Elymus elymoides Wm. Bridge Cooke 1938-7-15 11227 Siskiyou Mount Shasta. Above Bear Springs Comment
  HSC92552  Elymus elymoides var. californicus Jennifer Whipple 1976-7-8 1367 Siskiyou Ridgetop W of Dobkins Lake 2256 Comment
  HSC67788  Elymus elymoides var. elymoides J. O. Sawyer, J. Cole 1980-7-20 3754 Siskiyou 2 mi. N of Little Glass Mtn., on road connecting FS Rd. 45N05 with FS Rd. 47N75 1875 Comment
  HSC103022  Elymus glaucus J. P. Smith 2014-6-6 13879 Siskiyou Along State Route 96 at the Portuguese Creek Access to the Klamath River 416 Comment
  RSA239023  Elymus glaucus Frederick W. Oettinger 1968-9-2 666 Siskiyou Southwest of Upper English Lake . The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1875 Comment
  UC158592  Elymus glaucus Dr. E. B. Copeland 1903-7-4 3540 Siskiyou Klamathon; river bank Comment
  UC593548  Elymus glaucus E. B. Babcock and G. L. Stebbins Jr. 1936-6-11 1895 Siskiyou flat about 2 mi s Yreka 810 Comment
  CAS-BOT-BC235221  Elymus multisetus Gilbert Muth 1966-7-17 410 Siskiyou Near Lookout, Marble Mts. 2057 Comment
  CHSC88365  Elymus multisetus Jenny Marr 1993-7-1 171 Siskiyou Butte Valley Wildlife Area, +/- 7 air miles NW of the town of MacDoel. Meadow NW of Meiss Lake. 1349 Comment
  HSC38842  Elymus multisetus J. P. Smith, Steve Selva 1970-6-15 3949 Siskiyou Road between Forks of Salmon and Cecilville. 579 Comment
  HSC102715  Elymus stebbinsii J. P. Smith 2013-6-18 13748 Siskiyou Along Copco Road west of its junction with Age Road. 650 Comment
  RSA68920  Epilobium angustifolium var. intermedium A. E. Culbertson 1943-8-1 37 Siskiyou Castle Lake. 14 miles s.w. of Mt. Shasta on n side of a 6600 eastern spur of Trinity Mts.; 2000 above Sacramento R. within 10 air miles at its headwaters to the west. 1657 Comment
  UC204380  Epilobium brachycarpum A. A. Heller 1914-8-25 11706 Siskiyou near Deetz Station (opposite Black Butte) 1158 Comment
  POM248153  Epilobium brachycarpum W. Bridge Cooke 1939-7-13 13683 Siskiyou Mount Shasta: along the Sisson Southern Trail. 1372 Comment
  RSA15582  Epilobium brachycarpum Carl B. Wolf 1928-8-27 1146 Siskiyou Klamath River, 10 miles above the Salmon River Comment
  JEPS121600  Epilobium ciliatum Kendra Sikes 2011-9-15 Siskiyou Tamarack Flat, north of Mt. Eddy. Gently sloping wet meadow on ultramafic soil; W aspect. South China Mountain quadrangle. TF1_A 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
  UCD77625  Epilobium clavatum Robert E. Preston 2001-7-21 1729 Siskiyou Klamath National Forest, north slope of Rainbow Mountain. 2066 Comment
  JEPS38189  Epilobium densiflorum Willis L. Jepson Jul 24 1894-Aug 10 1894 14391 Siskiyou Sisson Region of the Upper Sacramento Comment
  CAS-BOT-BC94897  Epilobium glaberrimum subsp. fastigiatum R. C. Wenk 2005-7-19 323 Siskiyou Along Pacific Crest Trail, 2 mi. S of parking lot at top of pass on N.F.R. 17, going toward Mt. Eddy 2164 Comment
  JEPS82523  Epilobium hallianum Gilbert Muth 1966-8-1 482 Siskiyou Marble Valley horse pasture Marble Mt. Wilderness Area 1792 Comment
  HSC92791  Epilobium hornemannii subsp. hornemannii Jennifer Whipple 1976-7-8 1336 Siskiyou N slopes of Mount Eddy 2439 Comment
  UC1045238  Epilobium lactiflorum W. Bridge Cooke 1940-7-5 15291 Siskiyou along upper Wagon Camp Creek Mount Shasta Comment
  RSA237396  Epilobium minutum Frederick W. Oettinger 1969-8-12 1340 Siskiyou Below metal bridge, 1 mile down from Etna Summit on trail between Yellow Dog Creek and Abbotts Lake Cabin. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. Comment
  SBBG25889  Epilobium oreganum D. Myrick 1966-8-8 1490 Siskiyou rd to Carter Ranch, Mountain Meadow Ranch, Big Flat 1584 Comment
  CDA38103  Epilobium oregonense T. R. Haig & F. D. Horn 1979-8-16 s.n. Siskiyou Gumboot Lake Area, west of Mount Shasta. 0 Comment
  POM32217  Epilobium siskiyouense E. B. Copeland 1903-9-7 3857 Siskiyou Mount Eddy Comment
  SEINET12195418  Epilobium siskiyouense Unknown 1986-1 60353 Siskiyou SW of Cook and Green Pass, NE slopes of Kangaroo Mt., upper slopes of Hello C[an]y[o]n 1829 Comment
  UCD135540  Equisetum laevigatum Allison R. Holzer 1980-7-19 15 Siskiyou Along Kelsey Creek 1/4 mi. upstream from junction with Scott River. 731 Comment
  HSC67515  Eremogone congesta J. P. Smith, Steve Selva 1970-7-15 4360 Siskiyou Baldy Mtn. Lookout Station 1723 Comment
  CAS-BOT-BC168849  Eremogone congesta var. congesta Edna Kelsey 1961-8-1 s.n. Siskiyou Shackleford Trail below Bull Meadow, Marble Mts. Comment
  CHSC99710  Eremogone congesta var. suffrutescens L. P. Janeway 2008-7-22 9450 Siskiyou Klamath Ranges. Between the Trinity Mountains, Castle Crags, and The Eddys; top of slope overlooking Little Castle Lake from the southwest; 0.6 air km southwest of Little Castle Lake. 1896 Comment
  CAS-BOT-BC286711  Ericameria bloomeri Geo. D. Butler 1910-8-7 1823 Siskiyou Humbug Mountains 1219 Comment
  CHSC102561  Ericameria bloomeri L. P. Janeway 2009-8-4 9892 Siskiyou High Cascade Range. Flat open area along Military Pass Road (A43N19) 3.4 km east of Military Pass, 6.4 air km northwest of Ash Creek Butte. 1804 Comment
  CHSC71855  Ericameria bloomeri Vernon H. Oswald; Lowell Ahart 1998-9-8 9608 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. Roadside. 1127 Comment
  HSC26574  Ericameria bloomeri J. P. Smith 1972-8-17 5747 Siskiyou Medicine Lake 2012 Comment
  HSC5737  Ericameria bloomeri D. M. Thomson 1965-8-14 191 Siskiyou California Lava Beds National Monument; on Tichner Rd. at Tichner Cave Comment
  JEPS24626  Ericameria bloomeri Rimo Bacigalupi with Drs. Reino and Aloha Alava 1958-9-1 6779 Siskiyou near beginning of road to Wagon Camp (just off Everitt Memorial Highway, lower slopes of Mt. Shasta); Mt. Shasta 1737 Comment
  UC1118667  Ericameria bloomeri H. A. Jensen 1933-8-23 342 Siskiyou mouth Mountain House Creek; Dunsmuir Quad., Shasta National Forest, Mountain House Creek 1828 Comment
  UC216590  Ericameria bloomeri W. H. Brewer 1862-1 1415 Siskiyou Mt. Shasta Comment
  SEINET204960  Ericameria bloomeri Loran C. Anderson, Kent Fish 1965-8-17 2943 Siskiyou 3 miles north of town of Mount Shasta 1128 Comment
  SEINET5709305 Image available Ericameria bloomeri J. Semple, B. Semple 1981-1 5712 Siskiyou Mt. Shasta, A 10.; Shasta 1524 Comment
  CAS-BOT-BC287494  Ericameria greenei Louis C. Wheeler 1934-9-2 3238 Siskiyou Klamath Forest 1828 Comment
  HSC92185  Ericameria greenei Jennifer Whipple 1977-8-4 2165 Siskiyou Wagon Creek drainage on the E face of Mt. Eddy 2195 Comment
  JEPS16943  Ericameria greenei Peter H. Raven 1956-9-4 10394 Siskiyou pass just s of Mount Eddy 2438 Comment
  RSA13895  Ericameria greenei L. C. Wheeler 1934-8-24 3220 Siskiyou Trapper Creek. 1860 Comment
  CAS-BOT-BC287501  Ericameria greenei W. R. Dudley 1899-8-26 s.n. Siskiyou Toward top of Sacramento and Trinity Divide Comment
  CAS-BOT-BC299469  Ericameria nauseosa var. speciosa Geo. D. Butler 1910-8-7 1824 Siskiyou Yreka Comment
  JEPS82416  Ericameria nauseosa var. speciosa Gilbert Muth 1966-8-7 503 Siskiyou Lookout Trail, Ridge Marble Mt. Wilderness Area 2057 Comment
  UC1034043  Ericameria nauseosa var. speciosa unknown 1941-8-21 16216 Siskiyou on the n side of Diller Canyon (at timberline on the w side of Shastina); Mt. Shasta, Shastina, Diller Canyon 2438 Comment
  CAS-BOT-BC294405  Ericameria parryi var. latior Geo. B. Grant 1902-9-9 5152 Siskiyou Sisson Comment
  POM357568  Erigeron aliceae M. B. Dunkle 1944-08 9298 Siskiyou Marble Mts. 2439 Comment
  UC722087  Erigeron aliceae C. L. Hitchcock and J. S. Martin 1939-7-6 5202 Siskiyou 2 mi within California boundary on Takilma-Happy Camp road Siskiyou Mts. 1554 Comment
  HSC33321  Erigeron cervinus William J. Ferlatte 1974-7-13 1514 Siskiyou South fork of Salmon River west of Big Flat. In cracks 400yd upstream from falls 1433 Comment
  CAS-BOT-BC297105  Erigeron compositus Wm. Bridge Cooke; V. G. Cooke 1960-8-8 s.n. Siskiyou West side of Mud Creek Canyon, Mount Shasta 3048 Comment
  JEPS47722  Erigeron filifolius W. B. and V. G. Cooke 1966-7-16 37217 Siskiyou above Bolam Station (shoulder of old logging road); Mt. Shasta 1676 Comment
  UC895810  Erigeron filifolius A. A. Heller 1938-7-12 15255 Siskiyou on US Hwy 97 near w base of Deer Mountain Comment
  UC1483472  Erigeron foliosus var. confinis Maralyn A. Renner 1980-8-7 2426 Siskiyou ridge s Preston Peak; Preston Peak Quad. 1950 Comment
  UC166195  Erigeron foliosus var. confinis Geo. D. Butler 1909-7-15 949 Siskiyou Highland Mine Russian Creek, Highland Mine Comment
  CAS-BOT-BC296124  Erigeron foliosus var. confinis Louis C. Wheeler 1934-8-6 3055 Siskiyou Rock Gulch, Klamath Forest 1828 Comment
  CAS-BOT-BC300856  Erigeron glacialis var. glacialis Annie M. Alexander; Louise Kellogg 1949-7-19 5807 Siskiyou Paradise Lake, Marble Mountains 1920 Comment
  HSC72381  Erigeron greenei J. P. Smith, J. O. Sawyer, Jane Sawyer, Kevin Sawyer 1976-9-5 8965 Siskiyou 1/2 mile N of Siskiyou County line on Hwy. 3 Comment
  UC1282031  Erigeron petrophilus var. viscidulus Louise Kellogg Aug 8 1953-Aug 9 1953 123 Siskiyou near Scott Mountain Public Campground; Klamath National Forest, Blue Point 1630 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
  CAS-BOT-BC300093  Erigeron philadelphicus H. A. Thomas; J. H. Thomas 1954-7-21 4395 Siskiyou Salmon - Trinity Mts. About 6 miles SE of Cecilville. West side of Rush Creek 1036 Comment
  CAS-BOT-BC300089  Erigeron philadelphicus David D. Keck 1938-8-7 4849 Siskiyou 1 mi. N. of Schmitt Mill, road betw. Gazelle and Callahan. Scott Mts. 1465 Comment
  JEPS24812  Erigeron philadelphicus var. philadelphicus Rimo Bacigalupi with Drs. Reino and Aloha Alava 1958-9-2 6823 Siskiyou 7 mi e Callahan 1127 Comment
  CAS-BOT-BC300115  Erigeron pumilus var. intermedius J. H. Chastain 1917-6-1 s.n. Siskiyou Gazelle Comment
  UCD119247  Eriodictyon californicum K. L. Chambers 1967-6-22 2865 Siskiyou Rocky knoll about 500 ft. above and east of the freeway (Hwy. 5) at the Hilts exit, Siskiyou Pass. 1097 Comment
  HSC61210  Eriogonum compositum Al Hobart 1967-8-8 Siskiyou El Capitan Comment
  HSC61800  Eriogonum compositum Ruby Van Deventer 1959-7-9 Siskiyou Poker Flat 1585 Comment
  CAS-BOT-BC250065  Eriogonum compositum var. compositum Geo. D. Butler 1910-5-21 1378 Siskiyou Klamath hills Comment
  HSC24104  Eriogonum compositum var. compositum J. O. Sawyer 1970-7-15 2352 Siskiyou Above Bear Lake 1585 Comment
  SEINET3159900  Eriogonum compositum var. compositum G. D. Butler 1910-5-21 1378 Siskiyou Klamath hills Comment
  RSA237759  Eriogonum compositum var. compositum Frederick W. Oettinger, Robert F. Thorne 1969-8-6 1255 Siskiyou New York Flumes between Pine Lake and Tom's Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1860 Comment
  CAS-BOT-BC242530  Eriogonum congdonii Julie Kierstead Nelson; Rhonda Posey; Ross Olson 2007-8-1 2007 -028 Siskiyou The Eddys, west of Mt. Shasta. East of Toad Lake trailhead, terminus of Forest Service Rd. 40N64, headwaters of Middle Fork of upper Sacramento River 2051 Comment
  RSA0004986  Eriogonum diclinum Louis C. Wheeler 1934-9-1 3235 Siskiyou Siskiyou Mountains, Jaynes Canyon. 1951 Comment
  RSA423109  Eriogonum douglasii var. douglasii M. B. Dunkle 1945-1 9324 Siskiyou Klamath National Forest, Marble Mountains. 2439 Comment
  UC722838  Eriogonum douglasii var. meridionale C. L. Hitchcock, J. S. Martin 1939-7-8 5304 Siskiyou n side of Black Mt. Black Mt. 2072 Comment
  RSA264975  Eriogonum lobbii var. lobbii Gilbert Muth 1975-7-31 6034 Siskiyou Near Kangaroo Mountain, near Seiad Valley. 1919 Comment
  CAS-BOT-BC263194  Eriogonum marifolium var. cupulatum Alice Eastwood 1912-7-19 1238 Siskiyou Mount Shasta Comment
  CHSC1326  Eriogonum marifolium var. marifolium M. Yoder 1941-7-21 Siskiyou Castle Lake. 1981 Comment
  SBBG21291  Eriogonum nudum var. nudum D. Myrick 1964-7-25 954 Siskiyou Shasta Ski Bowl Hwy, Mt Shasta 1219 Comment
  SEINET7064409  Eriogonum nudum var. nudum A. G. Vestal 1955-5-17 s.n. Siskiyou Shasta Valley 2.1 miles north of Yreka. (NAD83/WGS84). UTM Zone 10, 531857mE, 4623863mN. Comment
  RSA495516  Eriogonum nudum var. nudum Elaine Joyal, D. Mehlman 1988-6-25 1279 Siskiyou Happy Camp - Takilma road at turn-off to Bolan Lake 1524 Comment
  UC1034615  Eriogonum nudum var. nudum Douglas Barbe 1955-6-28 9 Siskiyou roadside bank 0.2 mi n Callahan 975 Comment
  UC164231  Eriogonum nudum var. oblongifolium Geo. D. Butler 1910-7-3 1628 Siskiyou Goosenest foothills 1219 Comment
  UC1299709  Eriogonum nudum var. oblongifolium Freed W. Hoffman 1948-7-8 2491 Siskiyou 19.7 mi e Happy Camp (along Klamath River, on Waldo-Happy Camp Road); North Coast Ranges, Klamath River 548 Comment
  SEINET10733992  Eriogonum pyrolifolium Andrew Townesmith, Karen M. Meyer 2007-7-30 Townesmith 866 Siskiyou Shasta-Trinity National Forest. At the upper end of county road A10, mile 13.8 (from beginning of road in Mount Shasta City, 12.7 miles from National Forest boundary sign). Highest vehicle accessible point on Mount Shasta. T41N R3W S33 NW 1/4. 2399 Comment
  RSA11906  Eriogonum roseum Elmer I. Applegate 1923-9-6 3942 Siskiyou Klamath River about 20 mi. below the mouth of Shasta River. Gravelly river bottom. Comment
  JEPS128833  Eriogonum siskiyouense Julie Kierstead Nelson with Rhonda Posey 2017-7-18 2017 -045 Siskiyou Eastern Klamath Ranges; Forest Service Road 41N14 Y, 0.1 mile west of Parks Creek Road (County Road 17). Comment
  UC466015  Eriogonum siskiyouense Annie M. Alexander and Louise Kellogg 1911-8-14 317 Siskiyou Mt. Eddy 2789 Comment
  RSA50191  Eriogonum siskiyouense E. K. Balls 1949-7-8 13913 Siskiyou Trail from Scott Mountain Camp to Carmen Lake; Scott Mountain. 1753 Comment
  CAS-BOT-BC262725  Eriogonum sphaerocephalum var. halimioides Geo. D. Butler 1909-5-10 721 Siskiyou Near Yreka Comment
  CAS-BOT-BC271964  Eriogonum sphaerocephalum var. halimioides M. K. C. 1887-7-1 s.n. Siskiyou Gazelle Comment
  HSC17426  Eriogonum strictum var. anserinum R. C. Wunner 1965-6-7 127 Siskiyou Lava Beds National Monument, near Dragon Head Cave 1364 Comment
  CAS-BOT-BC540704  Eriogonum ternatum Dana York 2012-7-21 3134 Siskiyou Siskiyou Mountains: Klamath National Forest, ca. 500 m NE of Red Butte 1950 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
  CAS-BOT-BC267948  Eriogonum umbellatum Dorothy Parker 1948-7-11 107 Siskiyou Upper Shovel Creek near Beswick 1011 Comment
  CAS-BOT-BC267965  Eriogonum umbellatum var. argus A. A. Heller 1914-8-28 11729 Siskiyou East side of Mt. Eddy 1676 Comment
  UC163831  Eriogonum umbellatum var. argus Geo. D. Butler 1908-8-9 214 Siskiyou summit s Marble Valley Comment
  SCFS2090  Eriogonum umbellatum var. covillei P. C. Billings 1965-7-19 94 Siskiyou 100' above end of rd on Mt. Shasta 2438 Comment
  HSC95793  Eriogonum umbellatum var. lautum James L. Reveal 2001-7-19 8348 Siskiyou Scott Valley, along S Kidder Creek Rd., 0.5 mi. WSW of Hwy. 3, 6.1 mi. SW of Fort Jones, 5.7 mi. N of Etna 869 Comment
  CAS-BOT-BC262378  Eriogonum vimineum Doris Overman 1919-9-1 s.n. Siskiyou Yreka Comment
  JEPS24804  Eriogonum vimineum Rimo Bacigalupi with Drs. Reino and Aloha Alava 1958-9-2 6813 Siskiyou about 3 mi nw Weed (head of Shasta Valley); Shasta Valley 975 Comment
  HSC46191  Eriophyllum lanatum Jennifer Whipple 1977-4-30 1878 Siskiyou Scott Valley near Weston Gulch 854 Comment
  UCSB15884  Eriophyllum lanatum Breedlove, Dennis 1962-6-10 Siskiyou Grassy road- bank along Indian Creek Road, 2.3 miles northwest of Happy Camp; Siskiyou Mountains 365 Comment
  CAS-BOT-BC301111  Eriophyllum lanatum var. achilleoides Lewis S. Rose 1934-4-20 34229 Siskiyou Shasta River, NE. of Yreka Comment
  JEPS34645  Eriophyllum lanatum var. achilleoides W. L. Jepson 1940-6-23 20016 Siskiyou n of Mt. Shasta (Andesite station) 975 Comment
  CAS-BOT-BC301452  Eriophyllum lanatum var. grandiflorum Alice Eastwood 1912-7-17 1193 Siskiyou Sisson Comment
  UC90283  Eriophyllum lanatum var. grandiflorum T. S. Brandegee 1890-7-1 Siskiyou Sisson Comment
  CAS-BOT-BC308281  Eriophyllum lanatum var. integrifolium L. Constance 1940-7-26 15368 Siskiyou Diller Canyon, Mount Shasta 2133 Comment
  HSC5601  Eriophyllum lanatum var. integrifolium R. C. Wunner 1965-7-1 332 Siskiyou California Lava Beds National Monument; 2/3 way up Gillem's Bluff above NW Ranger Station 1280 Comment
  CAS-BOT-BC308279  Eriophyllum lanatum var. integrifolium J. R. Hall 1912-7-3 73 H Siskiyou Klamath Forest 1219 Comment
  CAS-BOT-BC301716  Eriophyllum lanatum var. lanceolatum H. A. Thomas; J. H. Thomas 1954-7-21 4391 Siskiyou Salmon - Trinity Mts. About 6 miles SE of Cecilville. West side of Rush Creek 1036 Comment
  CAS-BOT-BC301723  Eriophyllum lanatum var. lanceolatum Marion Ownbey; Fred G. Meyer 1940-7-4 2174 Siskiyou Siskiyou Mountains, north-west of Hornbrook Comment
  RSA14500  Eriophyllum lanatum var. lanceolatum Elmer I. Applegate 1923-9-7 3952 Siskiyou Doggett Ridge, south slope of the Siskiyou Mountains. Comment
  CAS-BOT-BC308305  Eriophyllum lanatum var. obovatum Ira L. Wiggins 1955-7-29 13585 Siskiyou Summit of ridge above Thompson Creek, trail to Caribou Lake 1999 Comment
  NY168706  Eriophyllum rixfordii S. P. Rixford 1913-1 s.n. Siskiyou South side of Shaft Rock Mountain, near Hilt Comment
  RSA715954  Erodium cicutarium L. Ahart, John Dittes 2005-6-10 12058 Siskiyou On 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. 777 Comment
  RSA240058  Erodium cicutarium Frederick W. Oettinger 1969-8-10 1329 Siskiyou Fort Jones. Comment
  CAS-BOT-BC54570  Erysimum capitatum Alice Eastwood; John Thomas Howell 1934-4-20 1792 Siskiyou 4 miles north of Weed. Comment
  CAS-BOT-BC54572  Erysimum capitatum John Thomas Howell 1939-8-2 14883 Siskiyou Spirit Lake, Marble Mountains. 1828 Comment
  CAS-BOT-BC54586  Erysimum capitatum G. B. Rossbach 1938-6-24 11073 Siskiyou Mount Shasta. MacBride Spring. 1524 Comment
  SJSU2552  Erysimum capitatum H. L. Buckalew 1962-7-14 Siskiyou Poker Flat c. 3 mi W of junction of Indian Cr with W Branch Indian Cr, Siskiyou Mts 1143 Comment
  HSC97704  Erysimum capitatum var. capitatum Thomas W. Nelson, Jane Nelson 2006-7-1 9451 Siskiyou Along USFS Rd. 4319, Military Pass Rd., The Whaleback 1392 Comment
  CAS-BOT-BC55109  Erysimum perenne John Thomas Howell 1937-7-29 13636 Siskiyou Scott Mountain, between Siskiyou and Trinity Counties. Comment
  CAS-BOT-BC55114  Erysimum perenne William Bridge Cooke; V. G. Cooke 1963-7-10 34276 Siskiyou North side of Mount Shasta. East side of Bolam Canyon. 2438 Comment
  HSC19560  Erysimum perenne J. O. Sawyer 1969-7-24 1472 Siskiyou NW facing slope SW of Sugar lake. 1829 Comment
  UC618765  Erysimum perenne W. Bridge Cooke 1938-6-24 11073 Siskiyou in openings along spring creek and in the meadow Mount Shasta, MacBride Spring Comment
  CHSC71502  Erythranthe inflatula Vernon H. Oswald; Lowell Ahart 1998-7-21 9359 Siskiyou Northeast of Weed, east of Grass Lake, and west of Bray on Old State Highway 0.8 mi east of Tennant Rd. 1417 Comment
  SD76171  Erythranthe moniliformis Helen V. Witham 1969-10-7 583 Siskiyou edge of stream, Scott R. 10 miles west of Fort Jones 700 Comment
  CAS-BOT-BC133262  Erythronium J. H. Thomas 1954-5-13 4139 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-BC133271  Erythronium citrinum Elmer I. Applegate 1932-4-16 7061 Siskiyou Klamath River opposite the mouth of Doggett Creek Comment
  SEINET3991732  Erythronium grandiflorum Unknown 1901-6-1 Siskiyou Marble Mtn. Comment
  HSC44942  Erythronium grandiflorum subsp. grandiflorum J. O. Sawyer 1978-6-20 3262 Siskiyou Marble Mtn. Wilderness Area, Hamilton Camp 1829 Comment
  HSC16750  Eschscholzia californica R. C. Wunner 1965-6-15 191 Siskiyou Lava Beds National Monument, SE side of Caldwell Butte near old cinder pit 1402 Comment
  JEPS81781  Eucephalus glabratus Rimo Bacigalupi with Reino and Aloha Alava 1958-9-3 6892 Siskiyou upper edges Poker Flat (very close to the ne portion of Del Norte Co.); Siskiyou Mountains, upper edges of Poker Flat 1536 Comment
  RSA184656  Eucephalus ledophyllus var. covillei Clare B. Hardham 1965-08 13005 Siskiyou Near Cudahy Lakes, Marble Mountains 1524 Comment
  HSC22122  Eucephalus ledophyllus var. ledophyllus J. O. Sawyer 1969-8-18 1981 Siskiyou Above South Sugar Creek 2134 Comment
  CAS-BOT-BC310480  Eucephalus tomentellus Alice Eastwood 1912-8-30 1984 Siskiyou Mount Eddy Comment
  RSA126073  Euonymus occidentalis I. L. Wiggins 1955-7-21 13438 Siskiyou Rush Creek Trail 2 mi. above Mt. View Ranch. 1098 Comment
  RSA275330  Euonymus occidentalis J. O. Sawyer, K. T. Stillman 1976-7-1 2772 Siskiyou Along the Little North Fork of the Salmon River 732 Comment
  UC163694  Euonymus occidentalis var. occidentalis Geo. D. Butler 1908-8-22 407 Siskiyou Russian Creek, Eldredge's Corral Comment
  JEPS25539  Euphorbia crenulata Rimo Bacigalupi with Lincoln Constance 1959-6-16 7155 Siskiyou ne of (and above) Mt. Shasta (town) (w slope of Mt. Shasta); Mt. Shasta 1414 Comment
  UC1096796  Euphorbia crenulata Milo S. Baker, Douglas Barbe, and H. K. Wagnon 1957-6-15 13104 Siskiyou just s Weed; Scott Mountains Comment
  UC135418  Eurybia radulina Dr. E. B. Copeland 1903-9-8 3869 Siskiyou foot of Mt. Eddy Mt. Eddy 121 Comment
  JEPS81789  Eurybia radulina Rimo Bacigalupi with Drs. Reino and Aloha Alava 1958-9-2 6828 Siskiyou meadow just below and n Scott Mountain road summit; just below and n of Scott Mountain road summit 1615 Comment
  RSA507775  Euthamia occidentalis J. C. Semple, S. Heard 1986-8-16 8468 Siskiyou CA-96, 1.6 km W of Horse Creek, before CA-3; by Klamath River Comment
  UCD98905  Fallopia japonica T. C. Fuller 1969-9-10 18887 Siskiyou 9055 Soquel Dr., also seen on freeway back of 9018 Soquel Dr., Rio Del Mar dist. E. of Aptos. Comment
  HSC101711  Festuca arundinacea J. P. Smith, J. O. Sawyer 2011-6-25 13260 Siskiyou At the junction of Hwy. 3 and Callahan - Gazelle Road. 834 Comment
  JEPS104936  Festuca californica Dean W. Taylor 1996-6-18 15698 Siskiyou Scott Mountains; bordering Shasta Valley, hillslopes about 4 miles south of Gazelle; Shasta-Trinity National Forests 1249 Comment
  JEPS73755  Festuca idahoensis Geo. D. Butler 1909-6-13 833 Siskiyou Moffitt Creek Comment
  POM211393  Festuca idahoensis L. C. Wheeler 1934-6-7 2658 Siskiyou North Hungry Creek. 1220 Comment
  RSA201841  Festuca idahoensis Jack Major, M. Fleschner, R. Pemble 1966-9-4 s.n. Siskiyou Northeast face of Marble Mountain, Marble Mountains. 2226 Comment
  UC1024797  Festuca idahoensis Leo Whitney 1934-6-29 2226 Siskiyou near Tennant; Antelope Creek 1463 Comment
  UC723010  Festuca roemeri C. L. Hitchcock and J. S. Martin 1939-7-9 5321 Siskiyou 0.5 mi se Kings Castle; Marble Mts. 1828 Comment
  RSA656724  Festuca roemeri var. klamathensis Barbara L. Wilson 1996-6-23 8177 Siskiyou Near the Klamath National Forest but in private land, on Forest service road 43N21, half mile west of intersection with Quartz Valley Road. Comment
  CAS-BOT-BC278641  Festuca subulata Doris K. Kildale 1928-7-3 5453 Siskiyou Little North Fork, Salmon River on road from Forks of Salmon to Sawyers Comment
  CAS-BOT-BC453506  Fragaria Wm. Bridge Cooke 1939-6-23 13542 Siskiyou Lower end of the upper Wagon Camp meadow; Mount Shasta Comment
  HSC96  Fragaria vesca William J. Ferlatte 1966-6-22 103 Siskiyou Along the S Fork of the Salmon River, between the campground and Carter's 1524 Comment
  UC154512  Fragaria vesca Harley P. Chandler Jun 1901 1558 Siskiyou near Marble Mountain (Klamath River to Marble Mountain); North Coast Ranges 1828 Comment
  JEPS128459  Fragaria virginiana Julie Kierstead Nelson with Martin Lenz 2015-6-18 2015 -060 Siskiyou Headwaters of West Fork Parks Creek, 2 miles NNE of China Mountain; 7 miles W of town of Weed. Comment
  CAS-BOT-BC53266  Frangula californica subsp. californica Carl B. Wolf 1927-8-27 1153 Siskiyou On the Klamath River 1 mile above the Salmon River Comment
  CAS-BOT-BC59985  Frangula purshiana Lewis S. Rose 1945-6-22 45175 Siskiyou Beaver Creek & Klamath River. 548 Comment
  CAS-BOT-BC60011  Frangula purshiana Lewis S. Rose 1925-7-25 s.n. Siskiyou Shasta Springs. Comment
  CAS-BOT-BC60017  Frangula purshiana Doris K. Kildale 1928-8-18 6423 Siskiyou N. Fork Salmon River at Finley Camp. Comment
  CAS-BOT-BC60018  Frangula purshiana W. R. Dudley 1893-6-20 s.n. Siskiyou Tree by bridge over Sacramento River on trail to Castle Lake. Comment
  HSC100302  Frangula rubra J. P. Smith, & J. O. Sawyer 2011-6-25 13270 Siskiyou Along Sugar Creek Rd., E of its intersection with Hwy. 3. 912 Comment
  HSC25481  Frangula rubra J. P. Smith, J. O. Sawyer, Maralyn O'Meara 1972-7-3 5723 Siskiyou E slope of Kangaroo Mtn., above Toehead Lake. 1890 Comment
  CAS-BOT-BC59596  Frangula rubra subsp. rubra John Thomas Howell 1934-7-4 12402 Siskiyou Se. croner of Siskiyou Co. Comment
  UCD121439  Frasera albicaulis var. nitida J. P. Smith; J. O. Sawyer 1972-6-30 5638 Siskiyou Jct. of French Creek and Sugar Creek road, 1/2 mile west of Parrott Mill Road. 1249 Comment
  UC1174947  Fraxinus latifolia P. C. Everett and E. K. Balls 1959-10-24 23948 Siskiyou 3.3 mi nw from Forks along Salmon River (Sawyers Bar To Somesbar) 365 Comment
  CAS-BOT-BC130173  Fritillaria affinis Louise A. Boyd; Katherine Donahoe 1923-5-1 s.n. Siskiyou Near Oregon Boundary Comment
  HSC19059  Fritillaria atropurpurea J. O. Sawyer 1969-7-16 1147 Siskiyou W of Waterdog Lake 2073 Comment
  SBBG57788  Fritillaria atropurpurea H. and M. Dearing 1938-6-28 203 Siskiyou Wagon Camp, Mt Shasta 1828 Comment
  CHSC2283  Fritillaria pudica A. Anderson 1962-3-14 Siskiyou Scott Valley. 914 Comment
  CAS-BOT-BC506207  Fritillaria pudica Geo. D. Butler 1910-5-1 1264 Siskiyou Humbug Mountain Comment
  CAS-BOT-BC504471  Fritillaria recurva Lincoln Constance; Reed C. Rollins 1942-5-14 2925 Siskiyou Road to Walker Post Office, 4 miles west of Yreka 1219 Comment
  POM109777  Fritillaria recurva Geo D. Butler 1909-4-14 596 Siskiyou Humbug Creek Comment
  RSA367751  Fritillaria recurva J. P. Smith 1973-5-5 6471 Siskiyou Along Cook and Green Pass road. Comment
  CDA5857  Gaillardia aristata G. D. Barbe, T. C. Fuller 1972-6-14 947 Siskiyou North of Weed, ca. 1 mile north of US 97 on Hoy Road. 0 Comment
  RSA238877  Galium aparine Frederick W. Oettinger 1969-8-1 1131 Siskiyou N of Wire Grass Meadow. The Salmon Mtns. High Lake Basins in the vicinity of English Peak. Marble Mtn Wilderness Area. 1677 Comment
  JEPS18602  Galium bifolium Rimo Bacigalupi with S. Galen Smith and Geo. Bacigalupi Jr. 1957-7-26 5948 Siskiyou s end Gumboot Lake 1859 Comment
  UCD121595  Galium bifolium G. J. Muth 1975-7-30 5876 Siskiyou Near Lily Pad Lake, near Seiad Valley. 1584 Comment
  UCR40077  Galium bifolium K. T. Stillman 1976-6-25 29 Siskiyou Marble Mountain Wilderness Area: montane and subalpine meadows. Marble Valley 1829 Comment
  JEPS6708  Galium bolanderi Geo. D. Butler 1908-8-21 413 Siskiyou Etna Creek 1158 Comment
  UC223987  Galium bolanderi Dr. Edward Palmer Jul 15 1892-Jul 27 1892 2498 Siskiyou Mount Shasta and vicinity Comment
  UC888783  Galium bolanderi Lewis S. Rose 1937-7-26 37603 Siskiyou 3 mi e Mt. Shasta 1371 Comment
  HSC35803  Galium bolanderi J. O. Sawyer 1969-6-11 814 Siskiyou Near C.C.C. road above Paynes Lake Creek 1357 Comment
  JEPS124616 Image available Galium boreale B. Corwin 1964-7-1 1127 Siskiyou On west side of rte 89, 12.2 miles south of Fowler Public Camp turnoff. Comment
  SD70495  Galium glabrescens F. Ehrendorfer, Stebbins, Dempster 1959-9-26 5963 Siskiyou I(c) mile south-southeast of Castle Lake, southwest of Mount Shasta Village 1830 Comment
  CAS-BOT-BC94861  Galium glabrescens subsp. glabrescens R. C. Wenk 2006-7-23 526 Siskiyou Trinity Alps, Coffee Creek Road, Big Flat Meadow, along Yellow Rose Mine Trail to Dorleska Mine 2118 Comment
  UCD121771  Galium grayanum A. H. Murphy 1959-7-21 59 G Siskiyou Deadfall Lake area. Shasta National Forest. 2225 Comment
  HSC90861  Galium mexicanum var. asperulum Stanton Cook 1958-8-17 842 Siskiyou McCloud River, 3 mi. above confluence of Mud Creek Comment
  JEPS100202  Galium serpenticum subsp. scotticum Dean W. Taylor 2002-6-10 18122 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
  UC1475695  Galium serpenticum subsp. scotticum Clifton and Ground 1978-6-30 1661 Siskiyou near Forest House (close to town of Yreka); Yreka Quadrangle 1098 Comment
  HSC44379  Galium triflorum Maralyn O'Meara 1973-6-25 236 Siskiyou Music Creek 1463 Comment
  SBBG25845  Galium triflorum D. Myrick 1966-8-10 1522 Siskiyou Salmon Crk Trail at Mountain Meadow Ranch, Big Flat 1676 Comment
  UC1258466  Galium triflorum John Palmer 1980-8-15 966 Siskiyou ne Seiad Low Gap (on spur of F.S. Rd 46N50); Klamath National Forest, Seiad Valley Quad. 1097 Comment
  UC21600  Garrya buxifolia Thos. Howell Apr 1892 1437 Siskiyou Siskiyou Mts. Comment
  CAS-BOT-BC182228  Garrya fremontii Doris K. Kildale 1927-11-20 4179 Siskiyou Fort Jones Comment
  HSC31327  Garrya fremontii K. L. Chambers 1967-6-22 2848 Siskiyou About 500 ft. above and E of the freeway (Hwy. 5 ) at the Hilts exit, Siskiyou Pass 1098 Comment
  JEPS51841  Garrya fremontii Geo. D. Butler 1908-7-4 39 Siskiyou near Reeder's (Shasta River); Shasta River Comment
  JEPS66743  Garrya fremontii W. L. Jepson 1902-7-22 2087 Siskiyou Yocumville to Indian Bar Comment
  HSC30236  Garrya fremontii William J. Ferlatte 1969-6-26 1191 Siskiyou Big Flat near campground 1524 Comment
  SEINET3144594  Garrya fremontii G. D. Butler 1910-3-12 1125 Siskiyou Hill near Yreba 1067 Comment
  CHSC88383  Gayophytum diffusum subsp. parviflorum Jenny Marr 1993-7-1 142 Siskiyou Butte Valley Wildlife Area, +/- 7 air miles NW of the town of MacDoel. Meadow NW of Meiss Lake. 1349 Comment
  HSC19495  Gayophytum diffusum subsp. parviflorum J. O. Sawyer 1969-8-4 1879 Siskiyou S of S Sugar Lake 2104 Comment
  JEPS27501  Gayophytum diffusum subsp. parviflorum W. L. Jepson 1940-7-3 20089 Siskiyou 0.6 mi e McCloud; McCloud River, Fowlers Camp 944 Comment
  UC904788  Gayophytum heterozygum W. Bridge Cooke 1949-8-26 25667 Siskiyou along logging road above Bolam Station; Mount Shasta Comment
  HSC68049  Gentiana calycosa J. P. Smith, Steve Selva 1970-7-18 4496 Siskiyou Hanging bog at Kangaroo Lake. 1890 Comment
  HSC34493  Gentiana calycosa A. M. Montalvo, J. D. Ackerman 1974-8-17 421 Siskiyou W slope of Preston Peak, 0.5 mi. N of Rattlesnake Meadow 1646 Comment
  JEPS24352  Gentiana plurisetosa Geo. D. Butler 1908-8-3 419 Siskiyou Log Lake Shackelford Creek 1737 Comment
  SEINET8567382  Geranium oreganum G. D. Butler 1910-6-6 1458 Siskiyou Quartz Valley. Comment
  JEPS105005  Gilia leptomeria Dean W. Taylor 1995-6-4 14967 Siskiyou 3 miles west of Highway 89 on Grenada Road; Shasta Valley; Klamath National Forest; (ca. 10 miles North of Weed) 1158 Comment
  CHSC71514  Glyceria borealis Vernon H. Oswald; Lowell Ahart 1998-7-21 9352 Siskiyou Northeast of Weed and south of Macdoel along Old State Highway on the west side of Bray. On the edge of the marsh. 1417 Comment
  CAS-BOT-BC283885  Glyceria declinata Wm. Bridge Cooke 1942-7-3 16365 Siskiyou In the Box Canyon of Sacramento River, near Mount Shasta City Comment
  UC819300  Glyceria elata A. A. Heller 1916-7-20 12465 Siskiyou ne base Mt. Eddy (Metcalf's ranch) 1158 Comment
  RSA239001  Glyceria striata Frederick W. Oettinger 1968-9-2 665 Siskiyou Southwest of Upper English Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1860 Comment
  CAS-BOT-BC302666  Gnaphalium palustre John Thomas Howell 1939-8-10 15254 Siskiyou Sky High Valley, Marble Mts. 1828 Comment
  CAS-BOT-BC302677  Gnaphalium palustre A. A. Heller 1915-8-24 12211 Siskiyou Metcalf's ranch, northeast base of Mt. Eddy 1188 Comment
  CDA6075  Grindelia camporum T. C. Fuller 1963-8-27 11157 Siskiyou In railroad yards, Grenada, Shasta Valley. 0 Comment
  RSA675180  Gutierrezia sarothrae F. R. Schallert 1953-8-10 2394 Siskiyou below Shasta Comment
  JEPS109777  Gypsophila paniculata var. paniculata D. W. Taylor 2002-7-27 18276 Siskiyou Weed (town), on far western end of town along the old highway to Yreka. Comment
  HSC38812  Hackelia bella J. O. Sawyer 1970-7-4 2326 Siskiyou At Cedar Flat Cabin 1402 Comment
  UCD77746  Hackelia californica Robert E. Preston 2001-6-23 1600 a Siskiyou Klamath National Forest, n-facing slope of Rainbow Mtn, T42N R1W nw 1/4 of nw 1/4 Section 23 2011 Comment
  HSC77083  Hackelia micrantha K. T. Stillman 1976-6-16 9 Siskiyou Marble Mtn. Wilderness Area Comment
  SEINET12281162  Hackelia micrantha J. P. Tracy 1951-1 19494 Siskiyou summit of Siskiyous, at crossing of Takilma-Happy Camp Rd, near state line Comment
  UC1409316  Hastingsia alba Frederick W. Oettinger 1968-8-17 561 Siskiyou vicinity English Peak (Pine Lake Meadow, Salmon Mountains, Marble Mountain Wilderness Area, High Lake Basins); Salmon Mountains, Marble Mountain Wilderness Area 1889 Comment
  UC54916  Hastingsia alba T. H. Gilbert Jun 15 1899-Jul 15 1899 Siskiyou Scott River Valley Comment
  UC705670  Hastingsia alba Marion Ownbey, Fred G. Meyer 1940-7-7 2216 Siskiyou near summit Cayenne Ridge; Marble Mountain Comment
  CAS-BOT-BC504606  Hastingsia alba L. E. Smith 1913-6-29 s.n. Siskiyou Rainbow Comment
  CAS-BOT-BC504613  Hastingsia alba A. A. Heller 1928-6-23 14648 Siskiyou Along the Pacific Highway near Edgewood in the Shasta valley Comment
  CAS-BOT-BC508653  Hastingsia alba Elizabeth McClintock; Wayne Roderick 1967-7-27 s.n. Siskiyou At head of Gumboot Lake, s.w. of Mt. Eddy 1828 Comment
  CDA39324  Hastingsia alba T. C. Fuller 1958-6-19 1821 Siskiyou Highway 99, 3 miles south of Gazelle. 0 Comment
  HSC19533  Hastingsia alba J. O. Sawyer 1969-7-10 1288 Siskiyou E facing slope W of S Sugar Lake 2226 Comment
  RSA184797  Hastingsia alba Gilbert Muth 1966-7-17 387 Siskiyou Ridge, near lookout, Marble Mountains. 2043 Comment
  RSA760957  Hastingsia alba Robert F. Thorne, Frederick W. Oettinger 1969-8-4 63389 Siskiyou Klamath National Forest, Salmon Mountains, Marble Mountain Wilderness Area, high lake basins in the vicinity of English Peak 1890 Comment
  RSA183695  Hazardia whitneyi var. discoidea Gilbert Muth 1965-8-4 310 Siskiyou Marble Mountains, Marble Valley Comment
  CAS-BOT-BC306744  Helenium bigelovii K. T. Stillman 1976-7-30 343 Siskiyou Marble Mountain Wilderness Area. Upper Marble Valley 1828 Comment
  UC1040699  Helenium bigelovii Beecher Crampton 1956-8-21 3809 Siskiyou slopes above Gumboot Lake (headwaters of river); south fork Sacramento River 1920 Comment
  CAS-BOT-BC314837  Helianthella californica var. shastensis Alice Eastwood 1912-7-17 1170 Siskiyou Sisson Comment
  CAS-BOT-BC314841  Helianthella californica var. shastensis L. E. Smith 1914-5-21 707 Siskiyou Dunsmuir Comment
  UCD132926  Helianthus Ben Beard 1978-1 HSP 09 A Siskiyou near Mt. Shasta. Comment
  CAS-BOT-BC305579  Helianthus bolanderi A. A. Heller 1916-9-1 12640 Siskiyou Near Yreka Comment
  CDA6539  Helianthus bolanderi T. C. Fuller 1958-9-12 Siskiyou 4 miles north of Weed. 0 Comment
  CLARK-A1528-7876  Helianthus bolanderi John C. Roos 1948-9-1 3981 Siskiyou Fort Jones 853 Comment
  UC195378  Helianthus bolanderi A. A. Heller 1916-9-1 12640 Siskiyou treeless plains near Yreka Comment
  CAS-BOT-BC305571  Helianthus bolanderi L. R. Abrams 1927-9-11 12139 Siskiyou Shasta Valley, Yreka to Gazelle Comment
  CAS-BOT-BC313445  Hemizonella minima C. L. Hitchcock; J. S. Martin 1939-7-9 5325 Siskiyou 1/2 mile southeast of King's Castle, Marble Mts. 1828 Comment
  CAS-BOT-BC313468  Hemizonella minima Alice Eastwood 1912-7-17 1210 Siskiyou Sisson Comment
  HSC68002  Hemizonella minima J. P. Smith, Steve Selva 1970-6-16 3997 Siskiyou 5 mi. from Hwy. 3 on Rd. 8 to Sugar Creek. 1189 Comment
  JEPS88983  Hemizonella minima Steve Morrell 1994-6-30 Siskiyou on Rd. 43N03 1/4 mi w Military Pass Road (43N19) (0.4 mi s of Hwy 97); Shasta-Trinity National Forests 1341 Comment
  HSC5987  Hemizonella minima R. C. Wunner 1965-6-6 100 Siskiyou California Lava Beds National Monument; 0.1 mi. on the road to Caldwell Ice Cave from SW entrance road. 1402 Comment
  JEPS107319  Hesperochiron californicus Lowell Ahart, John Dittes 2005-6-10 12105 Siskiyou 30 yards E of Shasta River, near the south fence, 100 yards S of the pump house along the Shasta River, about 1.9 air mi S of Hwy 99/97 Cutoff, about 6 air mi E-SE of Grenada 776 Comment
  UC1005597  Hesperochiron pumilus Frank W. Gould 1940-5-15 1237 Siskiyou Goosenest Mt. near Bull Meadows; Goosenest Mt. 1524 Comment
  POM203173  Hesperochiron pumilus Alice Eastwood, J. T. Howell 1934-4-20 1778 Siskiyou Gazelle. Comment
  UC17263  Hesperolinon micranthum W. A. Setchell, C. C. Dobie 1902-7-15 Siskiyou Sisson Mount Shasta Comment
  JEPS19801  Hesperolinon micranthum Rimo Bacigalupi with S. Galen Smith 1957-6-27 6024 Siskiyou hill just w <town unspecified> town limits 1036 Comment
  POM52143  Heterotheca oregona var. rudis Geo D. Butler 1910-7-16 1790 Siskiyou Oro Fino Comment
  JEPS82435  Heterotheca villosa var. minor Gilbert Muth 1966-7-25 453 Siskiyou Marble Rim; Marble Mt. Wilderness Area, Marble Mt. 2072 Comment
  CAS-BOT-BC420738  Heuchera merriamii L. R. Short 1933-8-6 24 Siskiyou Klamath Forest 1889 Comment
  HSC704  Heuchera merriamii William J. Ferlatte 1967-8-23 1093 Siskiyou Head of Kidd Creek. 2134 Comment
  CAS-BOT-BC424372  Heuchera rubescens Doris K. Kildale 1928-8-18 6419 Siskiyou north fork of Salmon River at Finley Camp Comment
  CAS-BOT-BC319695  Hieracium albiflorum Alice Eastwood 1921-7-30 10995 Siskiyou Soda Creek Comment
  OBI80260  Hieracium albiflorum David J. Keil, Kathleen Keil 1990-7-28 s.n. Siskiyou Marble Mountains. Klamath National Forest. Rye Patch Creek Trail. 1700 Comment
  UC1190256  Hieracium albiflorum Ira L. Wiggins 1955-7-21 13435 Siskiyou 2 mi above Mt. View Ranch (Rush Creek Trail); Rush Creek Trail 1097 Comment
  UC1483516  Hieracium albiflorum John Palmer 1980-8-13 767 Siskiyou near F.S. Rd. 47N44 (from Beaver Creek Road); Klamath National Forest, Condry Mtn. Quad., Dead Cow Creek 1615 Comment
  UC897800  Hieracium albiflorum A. A. Heller 1915-7-18 12122 Siskiyou ne base Mt. Eddy (Metcalf's Ranch) 1188 Comment
  SD88379  Hieracium albiflorum Darley F. Howe 1972-7-6 Siskiyou 4.4 miles south of Oregon State line on road to Happy Camp. Comment
  RSA237532  Hieracium gracile Frederick W. Oettinger 1968-8-8 448 Siskiyou Ridge above Upper English Lake near trail to English Peak. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2165 Comment
  RSA237426  Hieracium greenei Frederick W. Oettinger 1969-8-18 1437 Siskiyou Horse Range Lake Basin to English Lake Basin. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1829 Comment
  HSC26559  Hieracium horridum J. P. Smith, J. O. Sawyer 1972-8-20 5751 Siskiyou Slope of Mt. Hoffman 2134 Comment
  UC897886  Hieracium nudicaule Alice Eastwood 1912-7-15 1083 Siskiyou McCloud Comment
  RSA238749  Hieracium scouleri Frederick W. Oettinger 1969-9-4 1642 Siskiyou Slope from Lily Pond to Tobacco Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1951 Comment
  HSC100272  Holodiscus discolor J. P. Smith, , J. O. Sawyer, & R. J. Cole 2010-8-7 13066 Siskiyou Klamath National Forest, road to Crater Lake off Forest Service Road 40N24. 2003 Comment
  UC1409359  Holodiscus discolor Frederick W. Oettinger 1969-9-4 1667 Siskiyou s side of Tobacco Lake basin, High Lake Basins in vicinity of English Peak, Salmon Mountains, Marble Mountain Wilderness Area Tobacco Lake; Salmon Mountains, Marble Mountain Wilderness Area 1828 Comment
  UC1951318  Holodiscus discolor Robert F. Thorne and Fred 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. Comment
  CAS-BOT-BC152367  Holodiscus discolor var. discolor Lillian Mott 1976-7-8 44 LM76 Siskiyou Salt Gulch, a tributary of Horse Creek ca. 7 miles north of the Klamath River 853 Comment
  CAS-BOT-BC152376  Holodiscus discolor var. discolor Doris K. Kildale 1928-7-2 5412 Siskiyou Salmon Summit via Horse Creek Trail 1981 Comment
  CAS-BOT-BC150138  Holodiscus microphyllus var. glabrescens Wm. Bridge Cooke 1938-9-17 11702 Siskiyou Ridge below Horse Camp Comment
  CHSC1555  Holodiscus microphyllus var. glabrescens 1936-7-14 Siskiyou Black Butte. 1219 Comment
  HSC60828  Hordeum brachyantherum Ruby Van Deventer 1960-7-7 Siskiyou Bell Echo Camp in Youngs Valley Comment
  UC535964  Hordeum brachyantherum subsp. brachyantherum Elmer I. Applegate 1923-8-17 3834 Siskiyou Medicine Lake Comment
  UC589850  Hordeum brachyantherum subsp. brachyantherum H. S. Yates 1936-6-21 5820 Siskiyou 1 mi se Gazelle; Etna Quad. 792 Comment
  CAS-BOT-BC284741  Hordeum jubatum Verne Grant; Irving Schneider 1947-8-26 8302 Siskiyou By Interstate Highway, Lower Klamath Lake Comment
  CHSC4677  Horkelia daucifolia R. Carter 1966-5-15 405 Siskiyou 1.7 mi. SE of Callahan, 1.1 mi. S of intersection of Callahan-Gazelle Rd. and Old Oregon Stage Rd. On slope 15 yds. off W side of road. 1310 Comment
  SBBG72488  Horkelia daucifolia A. A. Heller 1927-5-14 14384 Siskiyou near Gazelle, Shasta Valley Comment
  POM34911  Horkelia daucifolia Geo. D. Butler 1910-7-3 1634 Siskiyou Creek bank (illegible) foothills. 1220 Comment
  JEPS95048  Horkelia fusca subsp. parviflora Vernon Oswald and Lowell Ahart 1997-7-28 8800 .1 Siskiyou Pumice Stone Well 0.2 mi. s. of Medicine Lake Rd. (on Forest Rte. 15, at edge of meadow); Pumice Stone Well 1905 Comment
  UC1586969  Horkelia fusca subsp. parviflora Juha Pykala and D. H. Norris 1987-7-7 2394 Siskiyou 3 rd mi from junction of rds 15 and 49 (towards Medicine Lake, Camp Two Road) Comment
  POM250749  Horkelia fusca subsp. parviflora W. Bridge Cooke 1938-7-1 11135 Siskiyou Mt. Shasta. 1677 Comment
  RSA211182  Horkelia fusca subsp. parviflora William J. Ferlatte 1966-8-3 250 Siskiyou Trinity Alps: Big Flat, wooded area near public camp. 1524 Comment
  POM178492  Horkelia fusca var. brownii Marcus E. Jones 1930-7-10 25377 Siskiyou Lake Tahoe Comment
  RSA174976  Horkelia fusca var. brownii E. K. Balls, Lee W. Lenz 1956-6-18 21804 Siskiyou 1.4 miles W of Bartle (jct with road to Lava Beds), Hwy 89, McCloud to Burney. 1220 Comment
  SBBG2952  Horkelia fusca var. parviflora H. and M. Dearing 1939-6-5 3546 Siskiyou McCloud 1066 Comment
  CAS-BOT-BC536227  Horkelia fusca var. parviflora W. R. Dudley 1899-8-15 s.n. Siskiyou Glazier Comment
  CAS-BOT-BC205182  Horkelia hendersonii James R. Shevock; Barbara Williams 1987-8-17 11803 Siskiyou Klamath Ranges. Below Dry Lake Mountain Lookout site along forest road 40S01 2011 Comment
  JEPS102922  Horkelia tridentata subsp. flavescens Thomas W. Nelson and Jane P. Nelson 1983-7-29 7527 Siskiyou Scott Mountain Summit campground; Scott Mountain 1645 Comment
  UC54359  Horkelia tridentata subsp. tridentata H. M. Hall and E. B. Babcock June 1903 4052 Siskiyou near Sisson; Sierra Nevada 1036 Comment
  CAS-BOT-BC538244  Horkelia tridentata var. flavescens Doris K. Kildale 1929-5-31 9157 Siskiyou South Fork of Salmon River at Cecilville Comment
  CAS-BOT-BC539431  Horkelia tridentata var. tridentata Wm. Bridge Cooke 1940-7-6 15097 Siskiyou Dry openings in pine woods along the Pacific Highway, US99, between Mount Shasta City and Black Butte Comment
  CAS-BOT-BC539439  Horkelia tridentata var. tridentata Rattan 1879-1-1 s.n. Siskiyou Siskiyou Mountains Comment
  CAS-BOT-BC201135  Hosackia crassifolia Wm. Bridge Cooke 1940-6-7 15089 Siskiyou Along the Pacific Highway between Black Butte and Mount Shasta City Comment
  HSC32005  Hosackia crassifolia A. M. Montalvo, J. D. Ackerman 1974-7-2 358 Siskiyou Along rd. to Shasta Retreat, 2 mi. S of Snowman Hill and Hwy. 89 Comment
  UCD106083  Hosackia crassifolia R. Tofsrud; J. M. Tucker 1948-8-2 1754 Siskiyou Open Yellow Pine woods, outskirts of McCloud. Comment
  HSC99201  Hydrophyllum occidentale G. L. Clifton 1979-7-1 6180 Siskiyou Near Poker Flat, close to the town of Happy Camp 1538 Comment
  JEPS101288  Hydrophyllum occidentale Dean W. Taylor 1972-7-3 1575 Siskiyou Salmon Mountains, near Little Duck Lake 1828 Comment
  JEPS82678  Hydrophyllum occidentale Wayne Roderick 1984-6-5 Siskiyou ca 12 air km sw Mt. Shasta City; Castle Lake 1828 Comment
  RSA0110956  Hydrophyllum occidentale Gilbert Muth 1966-7-8 361 Siskiyou Marble Valley Meadow, Marble Mountains. 1793 Comment
  JEPS101370  Hymenoxys lemmonii Dean W. Taylor 1997-6-12 16054 Siskiyou hillslopes at base of Scott Mountains at mouth of Willow Creek, Shasta Valley); ca. 4 miles west of Gazelle Comment
  POM67032  Hymenoxys lemmonii Geo D. Butler 1910-7-4 1640 Siskiyou Shasta River Comment
  UC718165  Hymenoxys lemmonii Carl B. Wolf 1934-7-5 5976 Siskiyou 4 6/10 mi n Gazelle; Shasta Valley 822 Comment
  UCSB10258  Hypericum perforatum Myrick, Donald 1964-7-25 Siskiyou near Shasta Royal Inn; Dunsmuir 762 Comment
  UCD110385  Hypericum perforatum subsp. perforatum Daryl Koutnik; Martha Townsend 1979-9-10 s.n. Siskiyou Southwest of Etna, near Etna Bridge. 1066 Comment
  JEPS5829  Idahoa scapigera F. W. Hooper Apr. 1897 Siskiyou Little Shasta Comment
  SEINET5342445  Idahoa scapigera G. Butler 1910-3-21 1136 Siskiyou Near Yreka. Comment
  UC1576732 Image available Iliamna bakeri Dean Wm. Taylor, Glenn L. Clifton, and R. Doug Stone 1987-8-6 9244 Siskiyou About 100 m s Lava Tank (extreme northeastern portion of County, Hambone Island region. 1219 Comment
  SJSU2581  Ipomopsis aggregata H. L. Buckalew 1962-7-12 Siskiyou near Poker Flat c. 4 mi W of junction of Indian Cr with W Branch Indian Cr, Siskiyou Mts 1089 Comment
  JEPS84240  Iris innominata L. R. Heckard with J. Hickman et al. 1986-7-17 6472 Siskiyou ca 5 mi n town of Seiad Valley (s of Lily Pad Lake, trail up Kangaroo Peak, e shoulder of peak); Kangaroo Peak 1940 Comment
  SEINET10469761  Iris tenuissima Mary Merello 1993-6-22 Merello 694 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
  HSC43367  Iris tenuissima N. G. Sugihara 1977-5-28 85 Siskiyou Recently burned hillside, 0.3 mi. toward Sawyers Bar from Hwy. 96 1067 Comment
  RSA136340  Iris tenuissima Lee W. Lenz 1953-5-13 18297 Siskiyou 9 miles north of Siskiyou County line, road to Happy Camp Comment
  SEINET3875938  Iris tenuissima Alv Dan Youngberg 1964-6-17 27 Siskiyou Humbolt Meridian.; 0 579 Comment
  CDA12116  Isatis tinctoria G. F. Hrusa 1990-4-2 7841 Siskiyou Siskiyou Mountains; Old Shasta River Rd. (Hwy 263) approx. 3 m. S of intersection w/Hwy 96, and 10 miles N of Yreka. Comment
  CHSC75691  Isatis tinctoria Vernon H. Oswald; Lowell Ahart 1999-7-5 9804 Siskiyou Gazelle-Callahan Hwy. 11.3 mi west of Gazelle, 0.2 mi east of summit of Gazelle Mtn. Roadside. 1188 Comment
  CAS-BOT-BC88663  Isatis tinctoria Marion Ownbey; Fred G. Meyer 1940-7-7 2208 Siskiyou Soap Ridge Road, southwest of Yreka. Comment
  SEINET13762151 Image available Isatis tinctoria T. C. Fuller unknown s.n. Siskiyou Scott Valley Comment
  SEINET5342454  Isatis tinctoria T. H. Gilbert s.n. Siskiyou Scott Valley. Comment
  UC400939  Isoetes bolanderi Geo. D. Butler 1908-8-3 256 B Siskiyou 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
  SEINET10573312  Isopyrum stipitatum Edward L. Greene 1876-1 Greene 689 Siskiyou Collected near Yreka Comment
  RSA184731  Ivesia gordonii var. alpicola Gilbert Muth 1966-7-22 381 Siskiyou Marble Rim, Marble Mountains 2195 Comment
  JEPS116580  Juncus Julie Kierstead Nelson with Rhonda Posey, Ross Olson 2007-8-1 2007 -021 Siskiyou The Eddys, west of Mt. Shasta. wet seep adjacent to unmamed tributary to Middle Fork of upper Sacramento River, along Forest Service Rd. 40N64 ca. 1/2 mi N of Middle Fork crossing; Mt. Eddy 1693 Comment
  CHSC40156  Juncus articulatus L. P. Janeway 1983-6-25 340 Siskiyou E side of Klamath R, n side of Independence Br. Top of rock bluff overlooking the river. 289 Comment
  HSC85849  Juncus balticus subsp. ater L. P. Janeway 1983-8-16 549 Siskiyou Poker Flat 1524 Comment
  RSA238902  Juncus drummondii Frederick W. Oettinger 1968-9-8 781 Siskiyou Near the outlet of English Lake. Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1753 Comment
  HSC36769  Juncus dubius Brent Whitely 1975-6-28 93 Siskiyou 915 Comment
  JEPS63836  Juncus effusus subsp. pacificus W. L. Jepson 1914-8-13 6156 Siskiyou Sisson 1097 Comment
  RSA44498  Juncus effusus subsp. pacificus Henry M. Pollard 1948-8-11 s.n. Siskiyou Irving Creek, near Somes Bar. Comment
  UCD19436  Juncus ensifolius Charlotte K. Glenn 1967-1 152 Siskiyou Castle Lake. 1584 Comment
  HSC60812  Juncus ensifolius Ruby Van Deventer 1962-8-15 Siskiyou Bell Echo Camp in Youngs Valley Comment
  JEPS100713  Juncus hemiendytus var. hemiendytus Dean W. Taylor 1991-6-12 11898 Siskiyou Adobe Flat, ca. 4 miles N of Timbered Crater 1106 Comment
  JEPS121623  Juncus howellii Kendra Sikes 2011-8-25 Siskiyou Middle Fork Sacramento River headwaters, east slope of the Eddys, near Toad Lake. Sloping fen / wet meadow in lodgepole pine forest on ultramafic soil, E aspect. Mount Eddy quadrangle. Comment
  HSC60830  Juncus mertensianus Ruby Van Deventer 1960-7-7 Siskiyou Bell Echo Camp in Youngs Valley Comment
  HSC67451  Juncus mertensianus J. P. Smith, Steve Selva 1970-7-17 4458 Siskiyou Below Kangaroo Lake. 1890 Comment
  UC1258472  Juncus nevadensis Maralyn A. Renner 1980-8-19 2492 Siskiyou s side Caribou lake; Klamath National Forest, Coffee Creek Quad. Comment
  UC1265333  Juncus nevadensis Frederick W. Oettinger 1968-8-2 351 Siskiyou just sw Diamond Lake (vicinity of English Peak, w Siskiyou County); Salmon Mountains, Marble Mountain Wilderness Area 2072 Comment
  HSC30705  Juncus nevadensis var. nevadensis Frederick W. Oettinger, R. F. Thorne 1969-8-5 1205 Siskiyou Marble Mtn. Wilderness Area, Willow Springs on the trail from English Lake to Abbott's Upper Cabin 1677 Comment
  HSC69181  Juncus nevadensis var. nevadensis Maralyn A. Renner 1980-7-24 2069 Siskiyou Lily Pad Lake 1768 Comment
  RSA119346  Juncus occidentalis S. S. Tillett 1956-7-11 694 Siskiyou just N of campground, Scott Mtn divide, Siskiyou - Trinity County line, 8 mile SE of Callahan. 1631 Comment
  RSA238914  Juncus orthophyllus Frederick W. Oettinger 1968-9-7 760 Siskiyou On the N bank of Tobacco Lake. Salmon Mtns. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1890 Comment
  CAS-BOT-BC110154  Juncus regelii Doris K. Kildale 1929-7-20 8705 Siskiyou Raspberry Lake, South Fork of Indian Creek. 1828 Comment
  CAS-BOT-BC81143  Juniperus communis Louis C. Wheeler 1934-8-14 3123 Siskiyou Klamath National Forest, 1/2 mi. W. White. Mt. 1920 Comment
  RSA129450  Juniperus communis var. montana H. A. Jensen 1933-10-5 360 Siskiyou Slope of Shastina; Shasta National Forest 2591 Comment
  HSC30624  Juniperus communis var. saxatilis Frederick W. Oettinger 1969-8-23 1513 Siskiyou Base of slope near Smith Lake, Salmon Mtns. 1677 Comment
  CAS-BOT-BC81225  Juniperus occidentalis L. E. Smith 1913-8-13 522 Siskiyou Yreka Comment
  CAS-BOT-BC81240  Juniperus occidentalis Elmer I. Applegate 1907-9-1 3307 Siskiyou Thrall, Shasta Valley, near Klamath River Comment
  CAS-BOT-BC81242  Juniperus occidentalis Elmer I. Applegate 1904-6-15 3082 Siskiyou Laird, Shasta Valley Comment
  UC1733769  Juniperus occidentalis Frank Gould, Kay H. Beach 1940-5-15 1246 Siskiyou Meadows and Goosenest Mtn 1828 Comment
  UCD133788  Juniperus occidentalis Jo Ann Olson; Gary R. Robbins 1969-2-15 7 Siskiyou Near U.S. Highway 97 in vicinity of Whitney Creek, north side of Mt. Shasta. 1127 Comment
  SEINET11056662  Juniperus occidentalis var. occidentalis D. Charlet, T. Charlet 1996-11-25 2343 Siskiyou Scott Mountains, on road to Callahan, 9 road miles SW of summit. 1116 Comment
  SEINET7269996  Kalmia microphylla subsp. microphylla W. Roderick 1967-7-28 s.n. Siskiyou Panther Meadow, Mt. Shasta 2377 Comment
  HSC45035  Kalmia polifolia J. O. Sawyer 1978-6-18 3239 Siskiyou Marble Mountain Wilderness, Shelly Meadows 1921 Comment
  HSC4843  Kalmia polifolia J. O. Sawyer 1968-7-23 567 Siskiyou Along trail from Brown's Valley to Caribou Basin including areas around Snowslide Lake and Caribou Lake. 1829 Comment
  HSC61974  Kalmia polifolia Al Hobart 25 Jul [year missing] Siskiyou Preston Peak 1982 Comment
  CAS-BOT-BC246177  Keckiella lemmonii A. A. Heller 1916-7-23 12493 Siskiyou Dunsmuir, along the road 640 Comment
  NY790360  Keckiella lemmonii D. D. Keck 1927-8-17 1265 Siskiyou West flank of Mt. Shasta, (4½ miles from Mt. Shasta City on Horse Camp trail) 1828.8 Comment
  CAS-BOT-BC94868  Kelloggia galioides R. C. Wenk 2008-7-24 928 Siskiyou Kangaroo Lake, S of Gazelle-Callahan Road 1889 Comment
  HSC67645  Kelloggia galioides J. P. Smith, Steve Selva 1970-7-17 4473 Siskiyou Below Kangaroo Lake. 1890 Comment
  JEPS12477  Kelloggia galioides W. L. Jepson 1907-7-10 2875 Siskiyou near Putnam Peak (w Siskiyou County); Klamath Range Comment
  SEINET516274  Kelloggia galioides Vernon H. Oswald 1997-7-28 8795 Siskiyou SE of Medicine Lake at Paynes Springs. 1981 Comment
  UC164422  Kelloggia galioides Geo. D. Butler 1910-7-3 1631 Siskiyou Goosenest foothills 1219 Comment
  CAS-BOT-BC273775  Koeleria pyramidata Dorothy Parker 1948-8-19 s.n. Siskiyou Summit of Scott Mountain 1582 Comment
  CAS-BOT-BC499663  Kopsiopsis strobilacea Wm. Bridge Cooke 1938-7-22 11308 Siskiyou Mount Shasta: Wagon Camp--Horse Camp Trail 2133 Comment
  CAS-BOT-BC340369  Kyhosia bolanderi Wm. Bridge Cooke 1939-8-22 13878 Siskiyou Mount Shasta. At Wagon Camp Comment
  CAS-BOT-BC340401  Lactuca Carl B. Wolf 1927-8-27 1119 Siskiyou On the Klamath River, Happy Camp Comment
  CDA7517  Lactuca tatarica var. pulchella T. C. Fuller 1967-8-15 16260 Siskiyou 4 miles northeast of Macdoel. 0 Comment
  UC89209  Lagophylla ramosissima T. S. Brandegee 1884-7-1 Siskiyou Ager Comment
  CAS-BOT-BC341703  Lagophylla ramosissima Louis C. Wheeler 1934-6-2 2608 Siskiyou Klamath National Forest. Oak Knoll R. S. 670 Comment
  UC2026967  Lapsana communis Anthony Baniaga 2011-7-8 428 Siskiyou Klamath National Forest. Along Salmon River, on highway 93 Comment
  RSA406668  Lathyrus Louis C. Wheeler 1934-6-8 2662 Siskiyou Beaver Creek. 1220 Comment
  CAS-BOT-BC204988  Lathyrus jepsonii var. californicus Geo. D. Butler 1910-7-6 1644 Siskiyou Shackleford Creek 914 Comment
  HSC71653  Lathyrus latifolius J. P. Smith, Steve Selva 1970-6-17 4096 Siskiyou 3 mi. E of Somes Bar. 152 Comment
  SEINET3131418  Lathyrus nevadensis G. D. Butler 1910-6-19 1588 Siskiyou Goosenest foothills Comment
  UC1190131  Lathyrus nevadensis var. nevadensis Ira L. Wiggins 1955-7-21 13427 Siskiyou 7 mi above Cecilville (near Mt. View Ranch); South Fork of Salmon River 975 Comment
  UC164285  Lathyrus nevadensis var. nevadensis Geo. D. Butler 1910-6-19 1588 Siskiyou Goosenest foothills Goosenest 1524 Comment
  RSA594185  Lathyrus polyphyllus S. O. Mattoon 1977-6-26 60 Siskiyou Gooseneast District; Klamath North Fork; Forest Road 2 miles S of Surveyors Glade; 12 air miles W of MacDoel. 1829 Comment
  RSA30645  Lathyrus tracyi Lincoln Constance, Reed C. Rollins 1942-5-12 2898 Siskiyou Klamath River 2 miles north of Somes Bar. 183 Comment
  CAS-BOT-BC321059  Layia glandulosa M. H. Mitchell 1936-5-8 9 Siskiyou 0.5 mile SSW of Hospital Rock, Modoc Lava Beds, National Manument 1242 Comment
  UC1101299  Lemna turionifera Verne Grant, Irving Schneider 1947-8-26 8292 Siskiyou Tule Lake Comment
  UCD115479  Lepidium densiflorum R. Tofsrud Date unknown s.n. Siskiyou location unknown. Comment
  CHSC91629  Lepidium perfoliatum G. F. Hrusa 2001-6-5 15841 Siskiyou Shasta Valley. Road pullout at northbound exit from I-5 at Louie Rd. 914 Comment
  UCD118777  Leptosiphon harknessii J. M. Tucker 1974-7-28 4328 Siskiyou Haypress Meadows, Marble Mountain Wilderness Area. 1463 Comment
  RSA183657  Lesquerella occidentalis Gilbert Muth 1965-8-12 219 Siskiyou Behind Black Mtn, Marble Mtns. Comment
  HSC7842  Leucothoe davisiae Jerry Parker 1968-10-6 132 Siskiyou Salmon Mtns., above Little Duck Lake Comment
  HSC83882  Leucothoe davisiae K. Berg, Stephanie Bennett 1986-8-25 640 Siskiyou Salmon-Trinity Alps Wilderness, headwaters of Little S Fork of Salmon River, above Little S Fork Lake 1982 Comment
  UC1951316  Leucothoe davisiae Robert F. Thorne and Fred Oettinger 1969-8-4 63378 Siskiyou Klamath National Forest, Salmon Mountains, Marble Mountain Wilderness Area, high lake basins in the vicinity of English Peak. At margin of Diamond Lake. Comment
  UCD117528  Leucothoe davisiae David T. Mason 1961-8-14 s.n. Siskiyou South end of lake, Heart Lake (ca. 1 mile west of Castle Lake). 701 Comment
  UC1408826  Lewisia Frederick W. Oettinger 1968-9-6 746 Siskiyou ridge trail e of Tom's Lake; Salmon Mountains, High Lake Basins, Marble Mountain Wilderne 2133 Comment
  HSC27337  Lewisia cotyledon J. P. Smith, J. O. Sawyer, Maralyn O'Meara 1972-7-3 5707 Siskiyou E slope of Kangaroo Mtn., above Toehead Lake. 1890 Comment
  HSC18960  Lewisia cotyledon J. O. Sawyer 1969-7-1 979 Siskiyou Above Paynes Lake Creek 1951 Comment
  RSA464463  Lewisia cotyledon L. C. Wheeler 1934-8-2 3034 Siskiyou Head of Rocky Gulch of Jaynes Canyon. Mt. Diablo Mer. 2134 Comment
  SEINET5336464  Lewisia cotyledon W. Roderick 1967-7-24 s.n. Siskiyou N of Seiad Valley. 1676 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-BC444055  Lewisia cotyledon var. cotyledon Doris K. Kildale 1928-8-19 6538 Siskiyou Top of divide between English & Hancock Lake on trail to Marble Mt. 2194 Comment
  RSA756241  Lewisia leeana Barbara Ertter 1990-7-16 9372 Siskiyou North side of ridge west of Parks Creek trailhead (Pacific Crest Trial crossing of Route 17); about 8 air mile southwest of Weed. 2195 Comment
  UCD101616  Lewisia leeana J. M. Tucker 1963-7-8 3731 Siskiyou 1 mile south of Paradise Lake, Marble Mountains Wilderness Area. Beside trail to Marble Valley. 1981 Comment
  SEINET4175850 Image available Lewisia triphylla Sally Walker 1983-8-23 Siskiyou Mt Shasta 2896 Comment
  CAS-BOT-BC283815  Leymus cinereus A. A. Heller 1905-6-19 s.n. Siskiyou Grenada Station Comment
  CAS-BOT-BC283731  Leymus condensatus Louis C. Wheeler 1934-9-22 3292 Siskiyou Klamath National Forest 518 Comment
  RSA105444  Leymus condensatus Milo S. Baker 1955-6-27 13087 Siskiyou Klamath Mountains; Highway 99 4 mi. S of Gazelle 915 Comment
  JEPS68580  Leymus triticoides Geo. D. Butler 1909-6-19 838 Siskiyou near Yreka Comment
  CAS-BOT-BC436534  Ligusticum californicum A. A. Heller 1915-8-26 12237 Siskiyou Mt. Eddy 1828 Comment
  HSC77243  Ligusticum californicum L. P. Janeway 1983-8-16 541 Siskiyou Poker Flat 1524 Comment
  CAS-BOT-BC436053  Ligusticum grayi Louis C. Wheeler 1934-8-9 3090 Siskiyou Siskiyou Mountains, Head Jaynes Canyon 1981 Comment
  HSC23542  Ligusticum grayi J. O. Sawyer 1969-8-5 1959 Siskiyou Above the S Fork of Sugar Creek 1814 Comment
  UC648277  Ligusticum grayi John Thomas Howell 1939-8-9 15198 Siskiyou Marble Mts., Sky High Valley 1828 Comment
  HSC22275  Lilium kelleyanum J. O. Sawyer 1969-8-4 1888 Siskiyou Above S Sugar Lake 2043 Comment
  HSC29247  Lilium kelleyanum Frederick W. Oettinger 1968-8-6 420 Siskiyou Marble Mtn. Wilderness Area, SE corner of Hancock Lake 1905 Comment
  CAS-BOT-BC130812  Lilium pardalinum H. A. Thomas; J. H. Thomas 1954-7-21 4412 Siskiyou Salmon - Trinity Mts. About 6 miles SE of Cecilville. West side of Rush Creek 1158 Comment
  UC1334272  Lilium pardalinum subsp. shastense Albert M. Vollmer and Ira L. Wiggins 1940-7-5 7 Siskiyou ca. 10 mi. n.e. Sawyer's Bar (along banks of Cow Creek, on rd. to Etna); Cow Creek 975 Comment
  POM109713  Lilium pardalinum subsp. vollmeri Geo D. Butler 1910-6-6 1454 Siskiyou Quartz Valley Comment
  CAS-BOT-BC510692  Lilium vollmeri Gilbert Muth 1966-7-19 422 Siskiyou Marble Gap Trail, along 1st bluff, Marble Mountains 1828 Comment
  RSA211346  Lilium washingtonianum William J. Ferlatte 1966-8-4 296 Siskiyou Yellow Rose Mine. 1982 Comment
  RSA766900  Lilium washingtonianum Joseph M. Keefe 1967-7-11 2093 Siskiyou 2.3 miles north of Castle Lake, 10 miles SE of town of Mt. Shasta 1220 Comment
  HSC566  Lilium washingtonianum subsp. purpurascens William J. Ferlatte 1966-8-4 296 Siskiyou Yellow Rose Mine 1982 Comment
  UC454444  Lilium washingtonianum subsp. washingtonianum I. J. Condit 1911-7-10 Siskiyou Shasta Retreat Comment
  JEPS58260  Linanthus bolanderi Geo. D. Butler 1910-4-14 1172 Siskiyou Yreka Comment
  UC537990  Linanthus ciliatus Louis C. Wheeler 1934-6-11 2688 Siskiyou North Hungry Creek Siskiyou Mts. 1219 Comment
  UC1540248  Linanthus harknessii Dean W. Taylor 1987-6-24 9050 Siskiyou vicinity Mud Well 1371 Comment
  CDA40099  Linanthus harknessii T. C. Fuller 1960-6-3 4614 Siskiyou East bank of Toad Lake, ca. 7 miles north of Bartle. 0 Comment
  HSC4867  Linnaea borealis subsp. longiflora J. O. Sawyer 1968-6-18 170 Siskiyou Above S Russian Creek on W side. 1463 Comment
  HSC44590  Linnaea borealis subsp. longiflora Laura Witherspoon 1977-7-16 Siskiyou Copper Creek Area. 1128 Comment
  JEPS12683  Linnaea borealis var. longiflora Ruby Van Deventer 1938-7-31 194 Siskiyou w side Poker Flat Woods; w side Poker Flat Woods 1219 Comment
  UC726397  Linnaea borealis var. longiflora A. A. Heller 1919-6-20 13259 Siskiyou Metcalfs Comment
  UC921111  Linnaea borealis var. longiflora Frank Bascom July, 1945 Siskiyou Hedge Creek about two mi easterly from Shasta Springs; Dunsmuir Quad., Hedge Creek e from Shasta Springs 914 Comment
  HSC43835  Linum lewisii Maralyn O'Meara 1974-5-27 489 Siskiyou Along FS Rd. 47N03 1280 Comment
  POM319162  Linum lewisii Patricia Wilder 1965-9-29 4200 Siskiyou Lava Beds National Monument on path up to top of Schonchin Butte. Clear Lake Reservoir drainage area. 1372 Comment
  RSA14401  Linum lewisii Elmer I. Applegate 1923-8-20 3898 Siskiyou Medicine Lake 1982 Comment
  RSA183706  Linum lewisii Gilbert Muth 1965-8-6 186 Siskiyou Marble Mountains; backside of Black Mountain Comment
  HSC22236  Listera convallarioides J. O. Sawyer 1969-8-4 1886 Siskiyou Above S Sugar Lake 2043 Comment
  UC70413  Lithocarpus densiflorus Milo S. Baker Jul 1899 Siskiyou Shasta Springs Comment
  RSA44061  Lithocarpus densiflorus var. echinoides W. Bridge Cooke 1941-9-16 16321 Siskiyou Along the Castle Lake Road. Comment
  UC60971  Lithocarpus densiflorus var. echinoides Geo. B. Grant Sep 1902 5244 Siskiyou Shasta Springs; Mount Shasta Comment
  UC1222383  Lithophragma campanulatum Joseph P. Tracy 1951-6-16 19485 Siskiyou near State line summit of the Siskiyous at crossing Takilma-Happy Camp Road; summit of the Siskiyous Comment
  CAS-BOT-BC435633  Lithophragma heterophyllum Jeanne McFarland; Kathie Meyer; Anne Mullenniex 1995-4-9 51 Siskiyou Off Hwy 96 at Somes Bar, 4 miles north, up Salmon River Hwy at the entrance to Wooley Crk. Trail head 289 Comment
  CAS-BOT-BC325940  Lithospermum californicum D. E. Breedlove 1962-6-10 3303 Siskiyou Along Indian Creek Road, 15.6 miles NW of Happy Camp. 975 Comment
  JEPS21381  Lithospermum californicum W. L. Jepson 1894-1 21072 Siskiyou Sisson Comment
  UC1001183  Lomatium californicum Dorothy Parker 1953-5-12 528 Siskiyou w. side Scott Valley; Siskiyou Mts., Scott Valley 883 Comment
  HSC76649  Lomatium dissectum var. multifidum K. T. Stillman 1976-8-7 183 Siskiyou Marble Mtn. Wilderness Area 1951 Comment
  HSC22214  Lomatium engelmannii J. O. Sawyer 1969-6-12 901 Siskiyou Along C.C.C. road just S of Sugar Creek 1463 Comment
  HSC22244  Lomatium macrocarpum J. O. Sawyer 1969-7-24 1513 Siskiyou SE facing slope W of Sugar Lake 1905 Comment
  UC165426  Lomatium macrocarpum Geo. D. Butler 1909-5-9 744 Siskiyou hills near Yreka Comment
  UC337570  Lomatium macrocarpum J. G. Lemmon 1889-6-26 Siskiyou Mountains near Edgewood Comment
Read comments
Jun 26 2012
  HSC96814  Lomatium macrocarpum S. Lyon, J. McIntire 2006-6-25 30 Siskiyou 200 ft. W of intersection of FS 39N14 and 39N04 1616 Comment
  POM82359  Lomatium nudicaule Geo. D. Butler 1909-5-7 745 Siskiyou Yreka Comment
  UC61163  Lonicera ciliosa W. A. Setchell, C. C. Dobie 1902-7-26 Siskiyou Sisson Mount Shasta Comment
  UC1037476  Lonicera conjugialis Douglas Barbe 1955-7-6 130 Siskiyou se shore Taylor Lake; Klamath Mountains, Salmon Mtns. 1950 Comment
  UC1408787  Lonicera conjugialis Frederick W. Oettinger 1968-9-2 658 Siskiyou sw Upper English Lake; Salmon Mountains, Marble Mountain Wilderness Area 1783 Comment
  UCD137302  Lonicera conjugialis Jack Major; M. Fleschner, R. Pemble 1966-9-5 s.n. Siskiyou East of Marble Mountain, Marble Mountains. 1716 Comment
  CHSC51216  Lonicera hispidula L. P. Janeway 1984-6-21 854 Siskiyou At Ferry Point, W side of Klamath River. 289 Comment
  HSC65101  Lonicera hispidula var. vacillans J. P. Smith, Steve Selva 1970-6-14 3868 Siskiyou Comment
  UC375400  Lotus crassifolius var. crassifolius Geo. D. Butler 1908-6-29 403 Siskiyou upper end of Quartz Valley Quartz Valley Comment
  UC81102  Lotus micranthus Katharine Brandegee Jul 1887 Siskiyou Sisson Comment
  JEPS87893  Lotus pinnatus Vernon H. Oswald and Lowell Ahart 1994-7-11 6401 Siskiyou 0.5 mi ne of Gumboot Lake (w of Dunsmuir, Gumboot Creek on the upstream side of Forest Road 26 to Mount Shasta); Gumboot Creek, Forest Road 26 1783 Comment
  UC163678  Lotus purshianus var. purshianus Geo. D. Butler 1908-8-4 391 Siskiyou Head of Shackleford Creek Comment
  UC375399  Lotus purshianus var. purshianus Geo. D. Butler 1910-6-27 1610 Siskiyou Yreka Comment
  UC862228  Lotus purshianus var. purshianus A. A. Heller 1916-6-23 12430 Siskiyou n of Sisson (near Black Butte) 1127 Comment
  HSC78389  Lotus uliginosus L. P. Janeway 1983-8-27 624 Siskiyou At Poker Flat. W side of meadow across from campsite. 1524 Comment
  HSC43143  Lotus unifoliolatus var. unifoliolatus Ken Stillman 1976-8-24 420 Siskiyou E and N slopes of Williams Point 366 Comment
  CAS-BOT-BC140208  Luetkea pectinata Annie M. Alexander; Louise Kellogg 1949-7-22 5838 Siskiyou On trail to Kings Castle, Paradise Lake, Marble Mountains 1996 Comment
  HSC29401  Luetkea pectinata Frederick W. Oettinger 1968-8-2 356 Siskiyou Marble Mtn. Wilderness Area, SE corner of Diamond Lake 2073 Comment
  HSC84  Luetkea pectinata William J. Ferlatte 1967-8-20 1049 Siskiyou Caribou Basin, Sawtooth Ridge 2043 Comment
  UC1360423  Luetkea pectinata Jack Major, M. Fleschner, and R. Pemble 1966-9-5 Siskiyou e of Marble Mountain (along trail from Marble Mountain to Sky High Lake); Marble Mountains 1975 Comment
  UCD113638  Luetkea pectinata J. M. Tucker 1963-7-8 3732 Siskiyou Trail to Marble Valley, ca. 2 miles south of Paradise Lake, Marble Mountain Wilderness Area. 1981 Comment
  RSA237587  Luina hypoleuca Frederick W. Oettinger 1968-8-28 604 Siskiyou Peak west of Diamond Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2082 Comment
  RSA119499  Lupinus C. P. Smith 1947-5-13 47269 Siskiyou 2.6 miles east of Weed. Highway 97. Comment
  RSA498181  Lupinus Chadwick, Chadwick, Glenn Chadwick 1911-07 s.n. Siskiyou Shasta Springs. Comment
  SEINET11148965 Image available Lupinus C. P. Smith 1940-1 15305 Siskiyou Along the road in the Box Canyon of the Sacramento near Mount Shasta City. 914 Comment
  HSC73995  Lupinus albicaulis Gail Newton 1980-6-20 511 Siskiyou Near Bald Mtn. 1097 Comment
  UC1481282  Lupinus albicaulis var. shastensis D. B. Dunn 1971-8-15 18141 Siskiyou on Hwy 89, 1/2 mi e McCloud Ranger Station; e of McCloud Ranger Station Comment
  UC454635  Lupinus albicaulis var. shastensis I. J. Condit 1911-7-22 Siskiyou Mt. Shasta; Mt. Shasta, Horse Camp 2438 Comment
  UC965448  Lupinus albicaulis var. shastensis A. A. Heller 1915-7-18 12117 Siskiyou Metcalf's ranch Mt. Eddy (ne base of mt.) 1188 Comment
  CDA27357  Lupinus albicaulis var. shastensis T. C. Fuller 1964-6-24 12245 Siskiyou Flying K Ranch, ca. 2 miles south of Mugginsville, Quartz Valley. 0 Comment
  UC640283  Lupinus albifrons H. and M. Dearing 1939-7-3 3812 Siskiyou Etna Comment
  UC173902  Lupinus albifrons var. albifrons Geo. D. Butler 1910-5-2 1268 Siskiyou dry land around Yreka; dry land around Yreka Comment
Read comments
May 16 2007
  CAS-BOT-BC195959  Lupinus albifrons var. albifrons Mrs. H. C. Cantelow 1936-5-20 s.n. Siskiyou Fort Jones Comment
  RSA47602  Lupinus albifrons var. flumineus Roxana S. Ferris, Laura Lorraine, Daniel F. Ferris 1948-6-12 11725 Siskiyou French Creek logging road west of Callahan. 1067 Comment
  SEINET10484554  Lupinus albifrons var. flumineus Melvin L. Conrad, Douglas G. LeDoux; Patricia L. Kenney 1973-6-2 Conrad 6975 Siskiyou Western yellow pine, libocedrus, douglas fir forest, 6 miles sw of callahan 1524 Comment
  UC1408828  Lupinus andersonii Frederick W. Oettinger 1968-8-19 587 Siskiyou English Peak Salmon Mountains, Marble Mountain Wilderness Area (Crapo View Gap) 2133 Comment
  CHSC82825  Lupinus angustiflorus L. P. Janeway 2002-7-13 7640 Siskiyou High Cascade Range. 1.0 km west of the western edge of Medicine Lake; 0.2 km southeast of Road 43N48 on west side of the road to a cinder pit. 2079 Comment
  HSC71759  Lupinus bicolor J. P. Smith, Steve Selva 1970-6-16 4083 Siskiyou Idlewild Campground 808 Comment
  CAS-BOT-BC215171  Lupinus croceus Roxana S. Ferris; Laura Lorraine 1948-6-12 11810 Siskiyou At Mule Creek crossing of Scott Mountain Road 1524 Comment
  CAS-BOT-BC215189  Lupinus croceus Roxana S. Ferris; Laura Lorraine 1948-6-12 11810 Siskiyou At Mule Creek Crossing of Scott Mountain Road 1524 Comment
  CAS-BOT-BC215193  Lupinus croceus J. H. Thomas 1954-5-13 4136 Siskiyou Near S Fork of Salmon River, 5-9 miles SE of Cecilville, vicinity of Blind Horse Creek, Salmon Mountains, Klamath National Forest. 1066 Comment
  RSA105436  Lupinus croceus G. D. Barbe 1955-7-26 288 Siskiyou Among dry rocks at a small pond on the N slope of Scott Mtn. 1982 Comment
  UC157007  Lupinus klamathensis Geo. D. Butler Apr 19 1910-Apr 30 1910 Siskiyou Yreka Comment
  SEINET10485424  Lupinus klamathensis Jeffrey Huber 1971-6-9 Huber 258 Siskiyou 3 mi. N of weed, on us hwy 97; s facing 20 degree slope; roadside; in pinus Ponderosa, p. Jeffreyi, and artemisia tridentata and purshia. 1128 Comment
  HSC69357  Lupinus latifolius Maralyn A. Renner 1980-8-21 2579 Siskiyou Kidd Creek 2043 Comment
  SEINET10489290  Lupinus latifolius subsp. viridifolius Kildale 1928-7-2 KILDALE 5349 Siskiyou Salmon summit via horn luck trail. 1981 Comment
  UC162168  Lupinus latifolius var. viridifolius Geo. D. Butler 1908-8-7 373 Siskiyou Whiskey Camp; Independence Creek, Whiskey Camp Comment
  SD230233  Lupinus latifolius var. viridifolius Louis C. Wheeler 1935-7-27 3723 Siskiyou Siskiyou Mountains: Doggett creek. 1615 Comment
  UC922627  Lupinus leucophyllus Annie M. Alexander and Louise Kellogg 1948-9-13 5618 Siskiyou Canyon Creek Siskiyou Mountains, , Canyon Creek (branch of Scott River) 762 Comment
  RSA0064514  Lupinus leucophyllus Daisie Huang 2006-8-4 06080403 Siskiyou Klamath River Highway, west of I-5. 491 Comment
  CHSC20640  Lupinus luteolus Robert A. Schlising 1963-6-6 2609 Siskiyou Along road to Hilt from Hwy. 99, in northern part of county. 914 Comment
  UC138026  Lupinus microcarpus var. microcarpus Dr. E. B. Copeland 1903-7-2 3537 Siskiyou Klamathon Comment
  UC156995  Lupinus microcarpus var. microcarpus Geo. D. Butler 1909-5-13 704 Siskiyou Klamath Hills Comment
  CHSC26174  Lupinus obtusilobus J. P. Kroessig 1977-8-5 57 Siskiyou Panther Meadow on Mt. Shasta, n end of Everitt Memorial Hwy., ca. 6 km s of Mt. Shasta Peak. 2285 Comment
  CHSC26297  Lupinus obtusilobus J. P. Kroessig 1977-8-5 57 Siskiyou Panther Meadow on Mt. Shasta, n end of Everitt Memorial Hwy, ca. 6 km s of Mt. Shasta Peak. 2285 Comment
  UC618892  Lupinus obtusilobus W. Bridge Cooke 1938-8-21 11545 Siskiyou Horse Camp Flats Mount Shasta Comment
  UC82283  Lupinus obtusilobus Copeland 1903-8-15 3918 Siskiyou Mt. Shasta Comment
  UCD109316  Lupinus obtusilobus E. Whitney 1934-6-17 s.n. Siskiyou Mt. Shasta. 2133 Comment
  RSA215652  Lupinus polyphyllus subsp. polyphyllus Gilbert Muth 1969-8-11 1366 Siskiyou On slope beneath high point of ridge south of Boulder Peak. 2317 Comment
  RSA414229  Lupinus polyphyllus subsp. superbus M. B. Dunkle 1945-07 9213 Siskiyou Klamath National Forest; Marble Mts. Comment
  HSC92406  Lupinus sellulus subsp. ursinus Jennifer Whipple 1976-7-9 1395 Siskiyou Dale Creek drainage on the N face of Mt. Eddy 2226 Comment
  POM260225  Lupinus sellulus subsp. ursinus C. Leo Hitchcock, J. S. Martin, A. S. Hitchcock 1939-7-9 5323 Siskiyou 1/2 mile SE of Kings Castle, Marble Mts. 1829 Comment
  SEINET5039261 Image available Lupinus shastensis Unknown 1905-1 8024 Siskiyou Shasta Springs Comment
  HSC49940  Lupinus tracyi G. L. Clifton, Ground 1978-7-13 2116 Siskiyou Near Flint Valley, close to Orleans 1418 Comment
  CAS-BOT-BC441293  Luzula macrantha W. R. Dudley 1893-6-21 s.n. Siskiyou Peter Klink Meadow Comment
  SJSU6492  Luzula parviflora R. W. Trivelpiece 1972-6-14 109 Siskiyou Vann Creek, near Bear Peak, 15 mi SW of Happy Camp 1280 Comment
  RSA605981  Luzula parviflora L. C. Wheeler 1934-6-18 2726 Siskiyou Cottonwood Creek, Siskiyou Mts. Mt. Diablo Mer. 1311 Comment
  HSC14223  Lycopus americanus L. C. Wheeler 1934-9-19 3283 Siskiyou Mt. Diablo Meridian, Walker, Klamath River, Siskiyou Mtns. 518 Comment
  RSA639487  Machaeranthera canescens var. shastensis D. Sanchez-Mata 1997-9-18 s.n. Siskiyou Mount Shasta - Lake Siskiyou - Gumboot Lake. South Fork (Sacramento River) Road 1340 Comment
  CAS-BOT-BC344011  Madia elegans Louis C. Wheeler 1935-6-13 3584 Siskiyou N side Scott River, Scott Bar Mts. 792 Comment
  UC89394  Madia elegans Brandegee 1887-7-1 Siskiyou Edgewood Comment
  RSA13387  Madia elegans subsp. densifolia L. C. Wheeler 1934-9-18 3280 Siskiyou Klamath River near mouth Beaver Creek, Siskiyou Mts. 549 Comment
Read comments
Feb 2 2009
  CAS-BOT-BC334667  Madia glomerata Louis C. Wheeler 1934-8-24 3216 Siskiyou Trapper Creek, Siskiyou Mountains 1859 Comment
  CAS-BOT-BC343427  Madia gracilis Lewis S. Rose 1937-7-3 37391 Siskiyou Black Butte, N. of Mt. Shasta City 1005 Comment
  SBBG30618  Madia gracilis D. Myrick 1968-6-25 2008 Siskiyou Mountain Meadow Ranch, Big Flat, Coffee Crk 1524 Comment
  CAS-BOT-BC343434  Madia gracilis Louis C. Wheeler 1934-6-4 2646 Siskiyou Horse Creek, Siskiyou Mts. 1066 Comment
  RSA165598  Madia minima Clare B. Hardham 1961-6-30 s.n. Siskiyou Siskiyou Mountains:White Mountain 1829 Comment
  RSA377706  Maianthemum stellatum J. P. Smith, Steve Selva 1970-6-16 4057 Siskiyou 8 miles west of Etna on road to Sawyers Bar 1372 Comment
  UCR143037  Marsilea vestita L. C. Wheeler 1934-10-14 3323 Siskiyou Siskiyou Mtns., Shasta River, 2 miles below Yreka Creek 671 Comment
  POM211273  Marsilea vestita L. C. Wheeler 1934-10-14 3323 Siskiyou Siskiyou Mountains; Shasta River 2 miles below Yreka Creek. Mt. Diablo Meridian 671 Comment
  CAS-BOT-BC105076  Melica aristata R. C. Wenk 2008-7-24 918 Siskiyou SW side of Mount Shasta, McBride Springs. Growing in campground near pump at springs 1493 Comment
  CAS-BOT-BC269227  Melica aristata Wm. Bridge Cooke 1939-8-30 13559 Siskiyou Mount Shasta. In the vicinity of MacBride [McBride] Springs Comment
  RSA239020  Melica aristata Frederick W. Oettinger 1969-9-4 1662 Siskiyou North side of Tom Lake Basin. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1951 Comment
  HSC21982  Melica bulbosa J. O. Sawyer 1969-7-18 1430 Siskiyou SW facing slope above Deacon Trail. 2195 Comment
  HSC5  Melica fugax William J. Ferlatte 1966-6-23 127 Siskiyou Yellow Rose Mine. 1982 Comment
  UC796619  Melica geyeri Roxana S. Ferris and Laura Lorraine Jun 12 1948-Jun 16 1948 11796 Siskiyou s of Callahan (Scott Mountain Road) Comment
  SEINET10599586  Melica spectabilis Louis C. Wheeler 1935-7-26 Wheeler 3701 Siskiyou Damp sunny E slope, Jaynes Canyon, Siskiyou Mts. T47N R10W S12, Mt. Diablo Mer. 1951 Comment
  UCD77852  Melica subulata Robert E. Preston 2001-6-30 1666 Siskiyou Klamath National Forest, Hemlock Lake, T42N R1W se 1/4 of se 1/4 Section 14 1889 Comment
  UCD88666  Melica subulata S. S. Tillett 1956-7-11 688 Siskiyou On the border of Trinity County. North side of Scott Mtn. divide near campground. 8 mi. se. of Callahan. 1615 Comment
  HSC15011  Melilotus albus R. C. Wunner 1965-7-16 396 Siskiyou Lava Beds National Monument, as rd. crosses Devils' Homestead Lava Flow 1296 Comment
  JEPS94679  Mentha canadensis Vernon H. Oswald and Lowell Ahart 1998-7-21 9323 Siskiyou Hwy 97 between Weed and Macdoel (at w end of lake); Grass Lake 1524 Comment
  UCSB25034  Mertensia oblongifolia Keefe, Joseph 1967-7-10 Siskiyou Indian Creek Road; south of O'Brien; 22.6 miles north of Happy Camp 1219 Comment
  UCD13283  Micranthes bryophora K. F. Mawdsley 1996-7-10 16 a Siskiyou California, Siskiyou County. Little Castle Lake, Seven Lakes Basin 7.5 topo. Comment
  CAS-BOT-BC428734  Micranthes californica G. Muth 1966-7-31 475 Siskiyou Marble Valley Comment
  UCSB24988  Micranthes californica Keefe, Joseph 1967-7-11 Siskiyou Little Castle Lake, south of Castle Lake, 10 miles southwest of town of Mt. Shasta 2011 Comment
  HSC67937  Micropus californicus var. californicus J. P. Smith 1973-5-5 6542 Siskiyou Scott Bar along the Scott River Comment
  CHSC88402  Microseris laciniata subsp. laciniata Jenny Marr 1993-7-1 161 Siskiyou Butte Valley Wildlife Area, +/- 7 air miles NW of the town of MacDoel. Meadow NW of Meiss Lake. 1349 Comment
  RSA0034610  Microseris nutans L. C. Wheeler 1935-6-13 3574 Siskiyou Shackleford Creek. Marble Mtns. 976 Comment
  RSA68883  Microseris nutans A. E. Culbertson 1943-7-1 73 Siskiyou Castle Lake, in a north facing cirque with an abrupt 1000' backwall; 14 miles S.W. of Mt. Shasta on N. side of a 6600' eastern spur of Trinity Mts.; 2000' above Sacramento R. within 10 air miles of its headwaters to the west 1657 Comment
  HSC60800  Microsteris gracilis Ruby Van Deventer 1960-7-7 Siskiyou Bell Echo Camp in Youngs Valley Comment
  POM208263  Microsteris gracilis subsp. humilis L. C. Wheeler 1934-6-7 2650 Siskiyou Siskiyou Mountains: Hungry Creek Lookout. 1502 Comment
  UCD122135  Mimulus alsinoides Sandy Holloway 1963-4-11 35 Siskiyou Indian campground, Clement's Ranch, ca. 4 miles northwest of Montague. 762 Comment
  HSC36530  Mimulus breweri J. O. Sawyer 1969-7-10 1281 Siskiyou E facing slope W of S Sugar Lake 2226 Comment
  UC905631  Mimulus cardinalis William M. Hiesey 1947-8-23 555 Siskiyou 1 mi w Beaver Creek (along Highway 96, 2 mi n of Walker); Klamath River Comment
  UC725981  Mimulus guttatus A. A. Heller 1919-6-30 13284 Siskiyou near Durney's Mill Comment
  RSA447943  Mimulus guttatus M. B. Dunkle 1945-1 9293 Siskiyou Klamath National Forest, Marble Mountains. 2439 Comment
  JEPS3799  Mimulus inodorus George D. Butler 1908-8-24 448 Siskiyou Eldridge's Corral Russian Creek 1219 Comment
  UC1019310  Mimulus kelloggii Dorothy Parker 1953-5-24 536 Siskiyou Scott River Siskiyou Mountains 609 Comment
  UC164473  Mimulus layneae Geo. D. Butler 1910-6-19 1585 Siskiyou Goosenest foothills 1524 Comment
  RSA68907  Mimulus layneae A. E. Culbertson 1943-7-17 51 Siskiyou Castle Lake, in north facing cirque with an abrupt 1000' backwall; 14 miles s.w. of Mt. Shasta on n. side of a 6600' eastern spur of Trinity Mts.; 200' above Sacramento R. within 10 air miles of its headwaters to the west. 1657 Comment
  UC1037454  Mimulus moniliformis Douglas Barbe 1955-7-1 77 Siskiyou 4.5 mi s Etna (on the Westside Road to Callahan at the French Creek bridge); Klamath Mountains 853 Comment
  HSC435  Mimulus moschatus William J. Ferlatte 1967-7-26 736 Siskiyou Caribou Basin 1982 Comment
  UCD77259  Mimulus moschatus Robert E. Preston 2001-6-30 1641 Siskiyou Klamath National Forest, Rainbow Mountain. 1722 Comment
  HSC90992  Mimulus nanus Jennifer Whipple 1976-7-14 1464 Siskiyou Trinity and Siskiyou Counties: Summit region of Mt. Eddy 2591 Comment
  RSA102726  Mimulus primuloides var. linearifolius G. Ledyard Stebbins, P. Dansereau, Calvin McMillan, K. Narayan 1949-8-9 4023 Siskiyou Along Park's Creek, above Stewart Springs, 10 miles W. of Weed. 1220 Comment
  HSC32164  Mimulus pulsiferae J. O. Sawyer 1970-6-17 2205 Siskiyou Dry slopes N of Sugar Lake 1799 Comment
  RSA423559  Minuartia douglasii N. G. Sugihara 1977-5-28 74 Siskiyou Hillside 3 miles up road toward Sawyers Bar from hgwy 96 south of Somes Bar 1128 Comment
  UC852409  Minuartia nuttallii subsp. gregaria A. A. Heller 1915-8-26 12219 Siskiyou near source of Wagon Creek (on canyon at upper limit of Pinus monticola); Nt. Eddy 2590 Comment
  NY8430  Minuartia stolonifera T. W. Nelson 1985-6-19 7839 Siskiyou T40N R8W, Sec. 24. Along S side of State Route 3, 3.1 mi N of Scott Moutnain Pass. Rocky openings in Jeffery Pine woodland on serpentine. 4000 ft. Comment
  POM229186  Mirabilis greenei Louis C. Wheeler 1935-7-17 3667 Siskiyou Scott Valley, near Fort Jones, Mouth Indian Creek 854 Comment
  POM68866  Mirabilis greenei Geo. D. Butler 1909-5-16 774 Siskiyou Near Yreka 1067 Comment
  UC165274  Mitella diversifolia Geo. D. Butler 1910-5-23 1391 Siskiyou Humbug Mountain 1219 Comment
  UC30026  Mitella diversifolia Harley P. Chandler June, 1901 1555 Siskiyou near Marble Mountain; North Coast Ranges 1828 Comment
  CAS-BOT-BC433073  Mitella trifida Doris K. Kildale 1928-7-4 5478 Siskiyou 3 miles west of summit on road from Sawyers Bar to Etna Mills Comment
  UC1299673  Mitella trifida Freed W. Hoffman 1950-7-13 3637 B Siskiyou road to Baldy Mountain 1.1 mi before Lookout (w Siskiyou Co.); South Fork Indian Creek Comment
  JEPS46134  Moehringia macrophylla Duncan Dunning 1922-6-5 Siskiyou nw Fort Jones (Moffett Creek); Moffett Creek Comment
  SEINET6645733  Mollugo verticillata L. C. Wheeler 1935-7-20 3676 Siskiyou Scott River, 1 1/2 mi. W. of Ft. Jones 823 Comment
  JEPS63404  Monardella odoratissima subsp. glauca W. L. Jepson 1894-7 50 c Siskiyou Sisson Comment
  CAS-BOT-BC220369  Monardella odoratissima subsp. pallida A. A. Heller 1905-6-13 8018 Siskiyou Shasta Springs Comment
  UCD77876  Monotropa hypopitys Robert E. Preston 2001-6-30 1645 Siskiyou Klamath National Forest, north slope of Rainbow Mountain, T42N R1W nw 1/4 of se 1/4 Section 14 1767 Comment
  RSA240084  Monotropa hypopitys Frederick W. Oettinger 1969-8-23 1514 Siskiyou On hill above Smith Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. Comment
  RSA604349  Monotropa hypopitys A. Sanger 1997-8-22 2608 Siskiyou Medicine Lake Highlands, along the road to Alcohol Crater plast the sump pond, south side of the road. 2146 Comment
  CAS-BOT-BC444634  Montia chamissoi James P. Smith, Jr. 1974-5-25 7469 Siskiyou Along Road 8, 4.7 miles west of its junction with State Route 3. 1158 Comment
  CAS-BOT-BC444814  Montia diffusa Alice Eastwood; John Thomas Howell 1937-6-26 5057 Siskiyou Near Fork of Salmon Comment
  JEPS93814  Montia linearis Vernon H. Oswald and Lowell Ahart 1998-6-11 9204 Siskiyou 9 air mi e of Grass Lake (22 air mi ne of Weed, Dry Lake on the s side of Tennant Road); Dry Lake, Tennant Road 1402 Comment
  CAS-BOT-BC445112  Montia linearis W. R. Dudley 1893-6-19 s.n. Siskiyou Sisson's Meadows, near Mt. Shasta Comment
  HSC22458  Montia parvifolia J. O. Sawyer 1969-7-1 976 Siskiyou SE facing slope above Paynes Lake Creek 1921 Comment
  HSC100201  Morus alba J. P. Smith, , J. O. Sawyer, & R. J. Cole 2011-5-22 13170 Siskiyou Klamath National Forest, East Fork Campground. 735 Comment
  HSC60462  Muhlenbergia andina William J. Ferlatte 1966-8-3 277 Siskiyou Josephine Lake basin 1677 Comment
  CAS-BOT-BC267053  Muhlenbergia filiformis Arthur Menzies 1962-6-21 s.n. Siskiyou Morgan Meadows, base of Mount Eddy 1706 Comment
  UCD86598  Muhlenbergia filiformis Beecher Crampton 1956-8-22 3859 Siskiyou Panther Meadow, south slope of Mt. Shasta. 2316 Comment
  SEINET10599809  Muhlenbergia filiformis H. E. Brown 1897-6-11 Brown 425 Siskiyou North side Mt. Shasta. 1524 Comment
  UC1265407  Muhlenbergia montana F. W. Oettinger 1969-8-16 1389 Siskiyou rocky slope sw Wiregrass Meadow (near Upper English Lake); Salmon Mountains 1676 Comment
  CHSC33986  Nama lobbii J. D. Prouty 1979-8-22 7908221 Siskiyou E slopes of Mt. Shasta. 1950 Comment
  RSA237899  Narthecium californicum Frederick W. Oettinger 1969-7-31 1112 Siskiyou Boggy meadow west of English Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1936 Comment
  RSA237955  Narthecium californicum Frederick W. Oettinger 1968-9-8 791 Siskiyou Scrub northeast of English Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1936 Comment
  UC13723  Narthecium californicum W. C. Blasdale July 1899 1074 Siskiyou Siskiyou Mts. California, Siskiyou Mts. Comment
  CDA40083  Navarretia atractyloides C. Giebner 1960-8-3 s.n. Siskiyou Greenview, Scott Valley. 0 Comment
  HSC60809  Navarretia capillaris Ruby Van Deventer 1960-7-7 Siskiyou Bell Echo Camp in Youngs Valley. 1220 Comment
  UC908380  Navarretia divaricata W. Bridge Cooke 1938-7-29 11405 Siskiyou Mt. Shasta 1524 Comment
  CHSC57437  Navarretia intertexta subsp. intertexta L. P. Janeway 1984-6-21 850 Siskiyou At Ti Bar Flat, on east side of Klamath River. Along dirt road. 213 Comment
  CDA40364  Nemophila heterophylla T. C. Fuller 1958-4-16 s.n. Siskiyou Giebner property, 4 miles south of Yreka. 0 Comment
  HSC67615  Nicotiana attenuata J. P. Smith, Steve Selva 1970-8-8 4574 Siskiyou Lava Beds National Monument Comment
  SEINET6174145  Nicotiana attenuata G. D. Butler 1910-7-1 1618 Siskiyou Dry field near Yreka. Comment
  CDA11961  Nothochelone nemorosa G. F. Hrusa, R. Meese 1993-8-14 11399 Siskiyou Indian Ck. Rd. between Happy Camp, Ca. and O'Brien Or., at summit of pass just on Ca. side of state boundary. 1426 Comment
  HSC69203  Nothochelone nemorosa Maralyn A. Renner 1980-9-1 2685 Siskiyou Bear Mtn. 1936 Comment
  UC1238904  Nothochelone nemorosa Freed W. Hoffman 1951-7-15 4026 Siskiyou near Packers' Valley (North Coast Ranges, Marble Mountain); North Coast Ranges, Marble Mountain Comment
  UC582585  Nothochelone nemorosa Joseph P. Tracy 1935-8-1 14420 Siskiyou 1 mi ne of Summit Mine (3 mi se of Salmon Summit, Head of Knownothing Creek); Head of Knownothing Creek 1767 Comment
  CHSC4521  Oenothera elata subsp. hirsutissima J. E. Bowlin 1967-7-18 44 Siskiyou Off roadside, ca. 13.9 mi w of Mount Shasta Ski Bowl. 1158 Comment
  UC61199  Oenothera elata subsp. hirsutissima W. A. Setchell, C. C. Dobie 1902-7-21 Siskiyou Sisson Mt. Shasta Comment
  CAS-BOT-BC349936  Onopordum acanthium C. S. Giebner 1964-7-3 s.n. Siskiyou Dwinnell Rd., Big Springs, Shasta Valley Comment
  CAS-BOT-BC355594  Oreostemma alpigenum var. andersonii A. A. Heller 1915-8-26 12225 Siskiyou Heather Meadow near the head of Wagon Creek Canon [Canyon], Mt. Eddy 2590 Comment
  HSC29217  Oreostemma alpigenum var. andersonii Frederick W. Oettinger 1968-8-1 339 Siskiyou High Lake Basins near English Peak: Marble Mtn. Wilderness Area; S of Little Hancock Lake 2043 Comment
  JEPS79773  Orobanche corymbosa L. R. Heckard 1967-8-14 1728 Siskiyou 19 mi n Weed (just e of U.S. Hwy 97, 2 mi n of Deer Mt Lodge) Comment
  JEPS16339  Orobanche corymbosa subsp. corymbosa Peter H. Raven 1956-8-11 10066 Siskiyou 9.6 miles south of turnoff to Bray on U. S. Highway 97. Comment
  HSC22173  Orobanche uniflora J. O. Sawyer 1969-7-1 990 Siskiyou Above Paynes Lake Creek 1951 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
  JEPS16355  Orthocarpus cuspidatus subsp. copelandii Peter H. Raven 1956-9-4 10388 Siskiyou ridge s Mount Eddy; s of Mount Eddy 2286 Comment
  JEPS84025  Orthocarpus cuspidatus subsp. copelandii L. R. Heckard with S. D'Alcamo, J. Hickman, and S. Winchester 1986-7-16 6334 Siskiyou ca 7 mi nne Seiad Valley (w of Cook and Green Pass, ca 1/2 mi from Red Butte); w of Cook and Green Pass, ca 1/2 air mi from Red Butte 1730 Comment
  JEPS4546  Orthocarpus cuspidatus subsp. copelandii John Thomas Howell 1939-8-4 15034 Siskiyou between Elk Mt. and Marble Rim (Marble Mts.); , btw Elk Mt. and Marble Rim Comment
  RSA50200  Orthocarpus cuspidatus subsp. copelandii E. K. Balls 1949-7-8 13904 Siskiyou Trail from Scott Mountain Camp to Carmen Lake, Scott Mtn. 1677 Comment
  HSC96806  Osmorhiza berteroi S. Lyon 2006-6-3 4 Siskiyou E side of Eddy Gulch Rd., 3 mi. S of the intersection with Sawyers Bar Rd. 915 Comment
  POM82904  Osmorhiza occidentalis Geo. D. Butler 1910-7-7 1668 Siskiyou Shackleford Creek 1220 Comment
  RSA459027  Osmorhiza occidentalis L. C. Wheeler 1934-8-16 3166 Siskiyou Siskiyou Mountains: 2 mi. east of White Mt. (Mt. Diablo Mer.) 1920 Comment
  CAS-BOT-BC413214  Oxyria digyna Gilbert J. Muth 1969-8-6 1225 Siskiyou Boulder Peak Ridge Comment
  CAS-BOT-BC318450  Packera cana Elmer Ivan Applegate 1935-6-5 9338 Siskiyou Lyons road, north boundaty of lava Beds national Monument Comment
  CAS-BOT-BC317135  Packera streptanthifolia var. streptanthifolia A. Heller 1905-6-20 8076 Siskiyou Gazelle, Siskiyou county Comment
  CAS-BOT-BC28834  Paeonia brownii George Dexter Butler 1910-4-23 1229 Siskiyou Quartz Valley Comment
  UCSC004597  Panicum capillare Randall Morgan 2004-8-3 4273 Siskiyou Castle Crags State Park, Sacramento River Comment
  CAS-BOT-BC202840  Paxistima myrsinites A. A. Heller 1916-8-24 12563 Siskiyou Near Sisson 1077 Comment
  HSC68882  Paxistima myrsinites Maralyn A. Renner 1980-9-1 2756 Siskiyou Trail from Doe Flat to Trout Camp 1098 Comment
  JEPS11901  Paxistima myrsinites Rimo Bacigalupi with C. L. Custer and G. T. Robbins 1954-8-12 4788 Siskiyou upper reaches of Indian Creek Canyon (1.8 mi. below summit of rd. and Del Norte-Siskiyou Co. line, along Happy Camp-Takilma rd.) 1371 Comment
  POM87427  Paxistima myrsinites Geo. D. Butler 1909-4-11 656 Siskiyou Shasta Retreat. Comment
  SBBG4073  Paxistima myrsinites K. K. Muller 1954-6-23 647 Siskiyou Siskiyou Mtns 1.8 mi below summit, 3.5 mi S of Oregon line on rd to Happy Camp Comment
  CAS-BOT-BC266653  Pedicularis bracteosa var. flavida Gilbert Muth 1969-8-11 s.n. Siskiyou Beneath high point of ridge S of Boulder Peak Comment
  HSC19157  Pedicularis bracteosa var. flavida J. O. Sawyer 1969-8-5 1750 Siskiyou W of Little Duck Lake 2073 Comment
  HSC91146  Pedicularis racemosa Jennifer Whipple 1976-7-23 1528 Siskiyou Dale Creek Drainage on the N face of Mt. Eddy 2195 Comment
  UC886715  Pedicularis racemosa Louis C. Wheeler 1934-8-2 3022 Siskiyou head Jaynes Canyon; Siskiyou Mountains 2072 Comment
  CAS-BOT-BC67685  Pellaea brachyptera Marion Ownbey; Fred G. Meyer 1940-7-6 2198 Siskiyou Marble Mountain - Near summit of Cayenne Ridge on south side. Comment
  UC1013123  Pellaea brachyptera A. R. Kruckeberg 1951-9-3 2002 Siskiyou just w of town of Mt Shasta (across river, dirt rd above Joe Spini Ranch, between Wagon Creek and Deer Creek Bridges) Comment
  CAS-BOT-BC67725  Pellaea brachyptera Louis C. Wheeler 1934-8-30 3227 Siskiyou Siskiyou Mts. - Trapper Creek, Mt. Diablo Mer. 1371 Comment
  HSC22280  Pellaea brachyptera J. O. Sawyer 1968-9-10 761 Siskiyou Boulder Peak 1829 Comment
  SEINET10529795  Pellaea brachyptera Mary Susan Taylor 1980-7-8 Taylor 3090 Siskiyou T40N R5W sec 35, Weed quad; Shastan Trinity Natl Forest; along Rd 40N43, at W end of Lake Siskiyou. 1372 Comment
  UC1408849  Pellaea brachyptera Frederick W. Oettinger 1968-8-16 538 Siskiyou due n of Hancock Lake (near summit of Little Medicine Mt); Salmon Mts, High Lake Basins, English Peak vicinity, Marble 2087 Comment
  CAS-BOT-BC67668  Pellaea breweri Geo. D. Butler 1908-8-8 240 Siskiyou Marble Valley Comment
  HSC61871  Penstemon anguineus Ruby Van Deventer 1939-7-18 Siskiyou Poker Flat 1585 Comment
  JEPS7208  Penstemon anguineus Geo. D. Butler 1908-8-4 432 Siskiyou head of Shackleford Creek 1676 Comment
  UC1012498  Penstemon anguineus Francis W. Pennell 1940-7-17 26175 Siskiyou w Etna (northeastern slope Salmon Mts.); , w of Etna 1981 Comment
  JEPS84078  Penstemon azureus L. R. Heckard with J. Hickman et al. 1986-7-17 6512 Siskiyou n slope of Condrey Mt. 1960 Comment
  HSC62465  Penstemon azureus Ruby Van Deventer 1938-7-31 Siskiyou Twin Valley, 2 mi. from Poker Flat Comment
  HSC75654  Penstemon cinicola J. O. Sawyer, R. J. Cole 1980-7-21 3710 Siskiyou W end of Medicine Lake Comment
  CAS-BOT-BC265384  Penstemon davidsonii var. davidsonii Louis C. Wheeler 1934-8-5 3044 Siskiyou Condrey Mountain 2164 Comment
  UC696751  Penstemon davidsonii var. davidsonii Elmer I. Applegate 1923-8-18 3858 Siskiyou crest of Red Shale Mountain [Red Shale Butte] Medicine Lake Region 2438 Comment
  HSC65576  Penstemon deustus R. White 1977-7-7 110 Siskiyou Devil's Punchbowl, NE shore 1433 Comment
  HSC76743  Penstemon deustus K. T. Stillman 1976-7-15 265 Siskiyou Marble Mtn. Wilderness Area 1951 Comment
  UC1063376  Penstemon deustus H. S. Yates 1936-6-21 5830 Siskiyou n base of Wintoon Butte Dunsmuir Quadrangle Comment
  JEPS22930  Penstemon deustus Volney Rattan June 1879 Siskiyou below Orleans; Klamath, below Orleans Comment
  JEPS26524  Penstemon deustus var. suffrutescens Lauramay T. Dempster 1961-7-2 1862 Siskiyou s.w. Etna (ridge w. of Salmon Mt. Summit) 1828 Comment
  UC886968  Penstemon deustus var. suffrutescens Alice Eastwood 1912-7-19 1221 Siskiyou Mount Shasta Comment
  CHSC66547  Penstemon gracilentus Vernon H. Oswald 1996-7-12 8003 Siskiyou On Mt. Shasta 0.5 mi N of Everitt Memorial Hwy. (A10) on the road to Sand Flat. 2026 Comment
  NY600754  Penstemon gracilentus A. A. Heller 1939-7-31 15435 Siskiyou Panther Meadow, Mt. Shasta 2438.4 Comment
  POM14639  Penstemon gracilentus E. B. Copeland 1903-7-17 3508 Siskiyou Mt. Shasta. Comment
  UC1096819  Penstemon heterodoxus var. shastensis H. K. Wagnon 1957-8-11 1687 Siskiyou on Rd. to Brewer Cr 3 mi w Military Pass Rd. (e slope of Mt. Shasta); North Coast Ranges, e slope of Mt. Shasta Comment
  UC164254  Penstemon heterodoxus var. shastensis Geo. D. Butler 1909-6-22 934 Siskiyou foothills of Goosenest Mountain Comment
  JEPS101505  Penstemon humilis var. humilis Dean W. Taylor 1997-6-11 16046 Siskiyou Duzel Rock, headwaters Moffett Creek, Scott River drainage 2072 Comment
  UCR37542  Penstemon laetus subsp. sagittatus L. P. Janeway 1983-8-13 527 Siskiyou S side of upper S Fork Indian Creek 1311 Comment
  HSC77277  Penstemon laetus subsp. sagittatus L. P. Janeway 1983-8-13 527 Siskiyou S side of upper S Fork Indian Creek 1311 Comment
  JEPS69755  Penstemon laetus var. sagittatus W. B. and V. G. Cooke 1972-6-30 45409 Siskiyou Andesite-Military Pass Road Mt. Shasta 1524 Comment
  SEINET11262163  Penstemon laetus var. sagittatus Karl A. Vincent, Charlotte A. Labbe 1987-8-12 4511 Siskiyou Cascade Range, Mt Shasta. On lava flow between Mt Shasta & Whaleback, along Andesite - Military Pass Rd ca 1 mi SE of jct US 97, ca 14.4 mi NE of jct US 97 & I-5 Bus. Loop in Weed.; 0 1433 Comment
  NY604554  Penstemon laetus var. sagittatus K. A. Vincent 1987-6-28 4443 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 & I-5 Bus. Loop in Weed. 1432.6 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
  SD53335  Penstemon newberryi Darley F. Howe 1962-8-6 3405 Siskiyou Mt. Shasta 2438 Comment
  HSC4839  Penstemon newberryi subsp. berryi J. O. Sawyer 1968-7-9 412 Siskiyou Ridge between Sugar Creek and Duck Lake Creek drainages 2195 Comment
  RSA238741  Penstemon newberryi subsp. berryi Frederick W. Oettinger, Robert F. Thorne 1969-8-5 1219 Siskiyou North side of Crapo View Gap along English Lake trail. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness. Comment
  JEPS101482  Penstemon newberryi var. berryi Dean W. Taylor 1972-7-3 1611 Siskiyou Salmon Mountains, near Little Duck Lake 1981 Comment
  NY627342  Penstemon newberryi var. newberryi A. A. Heller 1905-6-16 8048 Siskiyou Near Sisson Comment
  UC1017676  Penstemon parvulus Marion Ownbey and Ruth P. Ownbey 1938-7-19 1749 Siskiyou 2 1/2 mi nw Dry Lake Lookout (summit of the Siskiyou Mountains); , nw of Dry Lake Lookout Comment
  UCR37829  Penstemon parvulus K. T. Stillman 1976-7-15 264 Siskiyou Marble Mountain Wilderness Area, Scott Bar 15' Q. 1951 Comment
  HSC77278  Penstemon parvulus L. P. Janeway 1983-8-13 531 Siskiyou S side and above S Fork Indian Creek 1463 Comment
  NY639276  Penstemon procerus var. formosus C. G. Pringle 1881-8-19 s.n. Siskiyou 2438.4 Comment
  HSC68490  Penstemon roezlii Maralyn A. Renner 1980-6-9 852 Siskiyou Ridge SE of FS Rd. 45N35 1341 Comment
  HSC36808  Penstemon speciosus J. P. Smith 1974-5-27 7629 Siskiyou Along FS Rd. 47N03 1280 Comment
  RSA47610  Penstemon speciosus Roxana S. Ferris, Laura Lorraine 1948-6-12 11729 Siskiyou French Creek logging road west of Callahan. 1067 Comment
  HSC49955  Perideridia leptocarpa G. L. Clifton, Ground 1978-6-27 1458 Siskiyou Near Wildcat Creek 1098 Comment
  JEPS22049  Perideridia parishii subsp. latifolia Rimo Bacigalupi with Reino and Aloha Alava 1958-9-2 6932 Siskiyou in meadow 1/4 mi n Scott Mtn. road summit (rd. from Callahan to Trinity Center) 1615 Comment
  UC618605  Perideridia parishii subsp. latifolia W. Bridge Cooke 1938-7-22 11313 Siskiyou Wagon Camp Mount Shasta 1737 Comment
  HSC64440  Persicaria amphibia J. P. Smith, Steve Selva 1970-8-8 4558 Siskiyou Juanita Lake Comment
  CAS-BOT-BC413739  Persicaria hydropiper Louis C. Wheeler 1934-9-20 3287 Siskiyou Klamath National Forest, Lumgrey Cr. 670 Comment
  CAS-BOT-BC418940  Persicaria lapathifolia Alice Eastwood 1912-7-22 1312 Siskiyou Sisson Comment
  POM40311  Petasites palmatus Geo D. Butler 1909-4-11 627 Siskiyou Shasta Springs. Comment
  CDA15529  Phacelia bolanderi G. F. Hrusa 1998-7-5 14697 Siskiyou Siskiyou Mountains; Cedar Camp Rd. +- 5 mi. E of Weitchpec on Hwy 96. N side of Hwy. Mile 4.x. Comment
  JEPS117879  Phacelia cookei unknown 1976-7-27 Siskiyou Along Military Pass Road on edge of Goosenest Pine Plantation. Comment
  UC1483409  Phacelia corymbosa Maralyn A. Renner 1980-8-7 2422 Siskiyou ridge s Preston Peak; Klamath National Forest, Preston Peak Quad. 1950 Comment
  UC726916  Phacelia corymbosa A. A. Heller 1916-7-22 12486 Siskiyou e side Mt. Eddy Comment
  UC796610  Phacelia greenei Roxana S. Ferris and Laura Lorraine Jun 12 1948-Jun 16 1948 11718 Siskiyou Schoolhouse Hill e. fork of Scott River, Plowman's Valley (Noyes Valley) Comment
  UC1024070  Phacelia greenei Dorothy Parker 1954-4-30 622 Siskiyou Scott Valley Siskiyou Mountains (e side) 853 Comment
  HSC97881  Phacelia hastata Juha Pykala, D. H. Norris 1987-7-8 2424 Siskiyou Little Medicine Lake, S and W sides between lake and the rd. 2043 Comment
  HSC13669  Phacelia hastata var. hastata R. C. Wunner 1965-6-26 283 Siskiyou Lava Beds National Monument, S side of top 1614 Comment
  SD104876  Phacelia heterophylla Darley F. Howe 1979-6-26 Siskiyou Military Pass Road, 3.0 miles southeast of Ca. Highway 97, near Grenada. Comment
  SEINET5763830  Phacelia heterophylla G. D. Butler 1910-5-22 1386 Siskiyou Yreka Creek Comment
  JEPS81027  Phacelia heterophylla subsp. virgata James Payne Smith Jr. 1976-5-5 8699 Siskiyou road between Forks of Salmon and Somes Bar 365 Comment
  UC1084699  Phacelia heterophylla subsp. virgata Milo S. Baker 1957-6-15 13117 Siskiyou road cut just s Weed; North Coast Ranges Comment
  UC909961  Phacelia heterophylla subsp. virgata A. A. Heller 1916-6-23 12422 Siskiyou near Black Butte (n of Sisson) 1127 Comment
  JEPS82726  Phacelia humilis Steve Edwards 1984-6-7 Siskiyou South China Mountain 2133 Comment
  HSC97692  Phacelia linearis Thomas W. Nelson, Jane Nelson 2006-7-1 9449 Siskiyou Along USFS Rd. 4319, Military Pass Rd., The Whaleback 1392 Comment
  UC536685  Phacelia linearis D. H. Johnson and F. G. Palmer 1935-5-16 Siskiyou caves 11 mi ne Weed 1097 Comment
  UC572209  Phacelia linearis M. H. Mitchell 1936-5-14 Siskiyou Captain Jack's Stronghold Modoc Lava Beds Nat'l Monument, Dorris Quadrangle 1554 Comment
  HSC2372  Phacelia mutabilis William J. Ferlatte 1966-6-23 146 Siskiyou Big Flat, near public camp 1524 Comment
  HSC41644  Phacelia mutabilis William J. Ferlatte 1966-8-4 306 Siskiyou Dorleska summit 2134 Comment
  POM73588  Phacelia mutabilis Geo. D. Butler 1908-8-8 408 Siskiyou Marble Mountain. 1829 Comment
  HSC49932  Phacelia pringlei G. L. Clifton, Ground 1978-7-2 1810 Siskiyou Near Scott Mtn. Summit 1705 Comment
  HSC13730  Phacelia pringlei Lincoln Constance, H. L. Mason 1950-7-15 3358 Siskiyou West shoulder of Scott Mtn. above road-summit 1829 Comment
  UC73700  Phacelia procera Milo S. Baker 1899-8-2 Siskiyou near Bartle's; McCloud River Comment
  LA206402  Phalaris angusta J. R. Swallen; 1939-8-8 sn Siskiyou Mount Shasta, Horse Camp Comment
  JEPS95826  Philadelphus lewisii Vernon H. Oswald and L. Ahart 1999-7-5 9799 Siskiyou Gazelle-Callahan Hwy. 9.0 mi west of Gazelle: T42N R7W Sect. 26, 3000 ft, mixed hardwood-coniferous forest 914 Comment
  UC1212570  Philadelphus lewisii Francia Chisaki and Helen Sharsmith 1959-8-20 4745 Siskiyou between Forks of Salmon and Somes Bar (several mi from Forks of Salmon); Inner North Coast Ranges, Salmon River 304 Comment
  UC1408863  Philadelphus lewisii Frederick W. Oettinger and R. F. Thorne 1969-8-5 1200 Siskiyou on English Lake trail above Willow Spring (high lake basins in vicinity of English Peak, w Siskiyou Co.); Salmon Mountains, Marble Mountain Wilderness Area 1676 Comment
  RSA0058052  Philadelphus lewisii Frederick W. Oettinger 1967-6-23 145 Siskiyou Along road ca. 1/2 mi south of Kelly Gulch (Salmon River). The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 616 Comment
  RSA0097436  Philadelphus lewisii Edwin Kline 1920-6-19 s.n. Siskiyou Siskiyou Mts. Comment
  CAS-BOT-BC250787  Phleum alpinum W. R. Dudley 1899-8-24 s.n. Siskiyou Meadow (Lunch Creek), Craggy Peak Comment
  RSA602583  Phleum alpinum L. C. Wheeler 1935-7-26 3713 Siskiyou Jaynes Canyon; Siskiyou Mountains. (Mt. Diablo Mer.) 1951 Comment
  UC602589  Phlox unknown 1938-6-24 11064 Siskiyou MacBride Springs Mt. Shasta 1524 Comment
  HSC36671  Phlox adsurgens Brent Whitely 1975-6-28 Siskiyou 915 Comment
  UC52514  Phlox austromontana Geo. B. Grant Sep 1902 5099 Siskiyou Horse Camp Mount Shasta 2438 Comment
  HSC44930  Phlox diffusa J. O. Sawyer 1978-6-21 3278 Siskiyou Marble Mtn. Wilderness Area, along trail N of Clear Lake 1951 Comment
  HSC65283  Phlox diffusa Rich White 1978-7-6 248 Siskiyou Pond above Elk Hole 1524 Comment
  UC880423  Phlox douglasii subsp. rigida John Thomas Howell 1937-7-29 13663 Siskiyou Scott Mt., between Trinity and Siskiyou counties Scott Mt. Comment
  UC164097  Phlox hirsuta Geo. D. Butler 1910-4-10 1165 Siskiyou near Yreka Comment
  SEINET10496959  Phlox speciosa subsp. nitida Mary Merello 1993-6-22 Merello 697 Siskiyou Shasta National Forest. Along Forest Road 26 to Lake Siskiyou outside of Mt. Shasta City. Mixed conifer forest. Steep, rocky serpentine slopes along Sacramento River. 1270 Comment
  UC23965  Phlox speciosa subsp. nitida C. B. Bradley 1879-1 Siskiyou Comment
  UC163854  Phlox speciosa subsp. occidentalis Geo. D. Butler 1909-4-13 650 Siskiyou near Yreka Comment
  RSA256699  Phlox speciosa subsp. occidentalis J. P. Smith 1974-5-26 7550 Siskiyou Along Forest Service Road 47N03 1524 Comment
  UCR143103  Phoradendron densum L. C. Wheeler 1934-6-26 2789 Siskiyou Siskiyou Mtns., Camp Lowe, Klamath River 765 Comment
  UC164050  Phoradendron densum Geo. D. Butler 1908-7-16 1071 Siskiyou Klamath R. Comment
  RSA604461  Phoradendron libocedri Louis C. Wheeler 1959-7-21 7586 Siskiyou Salmon Mountains: Dry Gulch Mine off Crawford Creek off South Fork Salmon River. 1220 Comment
  HSC29627  Phyllodoce empetriformis Frederick W. Oettinger 1967-7-8 164 Siskiyou Marble Mountain Wilderness Area, High Lake Basins, near Big Blue Lake 2104 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
  SD219029  Phyllodoce empetriformis R. F. Thorne, Frederick W. Oettinger 1969-8-4 63364 Siskiyou Klamath National Forest, Salmon Mountains, Marble Mountain Wilderness Area, high lake basins in the vicinity of English Peak. 2097 Comment
  UC21966  Phyllodoce empetriformis W. H. Brewer 1862-9-13 1376 Siskiyou Mount Shasta, near Camp 99 Mount Shasta 2438 Comment
  UCD117723  Phyllodoce empetriformis Dean William Taylor 1972-7-3 1614 Siskiyou Near Little Duck Lake. 1981 Comment
  CAS-BOT-BC60769  Physaria occidentalis John Thomas Howell 1939-8-8 15170 Siskiyou Marble Mountains. Black Mountain. Comment
  CAS-BOT-BC60774  Physaria occidentalis W. R. Dudley 1899-8-26 s.n. Siskiyou Summit of Mount Eddy. Comment
  OBI10127  Physocarpus capitatus H. E. McMinn 1931-6-27 2512 Siskiyou Shasta City Comment
  CAS-BOT-BC228582  Picea breweriana Peter W. Fritsch; James R. Shevock; Lu Lu 2012-6-20 1935 Siskiyou Russian Wilderness, Klamath National Forest. Along Sugar Creek Trail to Sugar Lake from trailhead off forest road 41N14 1755 Comment
  CAS-BOT-BC78177  Picea breweriana R. Bacigalupi 1935-10-21 2370 Siskiyou 1/2 mi. n.e. of summit of new Forest Service Road, between Waldo and Happy Camp, near Del Norte-Siskiyou county Line Comment
  UCD134303  Picea breweriana Gordon Leppig; T. LaBanca 1998-7-11 921 Siskiyou Klamath National Forest, Duck Lakes Trail. 1158 Comment
  RSA237340  Pinus albicaulis Frederick W. Oettinger 1966-8-27 51 Siskiyou South side of East Boulder Lake in the Scott Mountains, Salmon-Trinity Alps Wilderness. The Salmon Mountains. The High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2043 Comment
  UC141  Pinus albicaulis W. H. Brewer 1862-9-13 1400 Siskiyou Mount Shasta Comment
  HSC29671  Pinus attenuata Frederick W. Oettinger 1968-9-3 685 Siskiyou Marble Mtn. Wilderness Area, near ridge top of 'Rusty Ridge' near where it grades into Frang Peak W of Horse Range Lake, Bulk Collection 52 2012 Comment
  UC400301  Pinus attenuata Mrs. K. J. Stirring 1904-1 Siskiyou Etna Mills Comment
  CAS-BOT-BC73307  Pinus balfouriana Peter H. Raven 1956-9-4 10391 Siskiyou Ridge s. of Mt. Eddy. 2651 Comment
  CAS-BOT-BC78497  Pinus contorta subsp. murrayana Peter H. Raven 1956-9-5 10461 Siskiyou North Fork of Sacramento River 1828 Comment
  CAS-BOT-BC78719  Pinus jeffreyi Doris K. Kildale 1929-8-23 8801 Siskiyou Young's Valley, trail to Preston Peak 1524 Comment
  NY61579  Pinus jeffreyi C. G. Pringle 1882-9-7 s.n. Siskiyou This specimen represents an endangered or threatened species. The specific locality has been removed from this record to protect this species from over-collection. These data may be supplied to researchers on request. Comment
  CAS-BOT-BC73096  Pinus lambertiana Doris K. Kildale 1927-11-28 4233 Siskiyou Quartz Valley, Scott River Comment
  HSC32594  Pinus lambertiana Steven Lagos 1974-5-26 88 Siskiyou Duck Lake Creek drainage, Bulk Collection # 62 1220 Comment
  CAS-BOT-BC78963  Pinus monticola W. R. Dudley 1899-8-24 s.n. Siskiyou Craggy Peak Comment
  RSA624477  Pinus monticola L. C. Wheeler 1958-8-20 7409 Siskiyou Siskiyou Mountains. Red Butte, southeast side. 1737 Comment
  NY61947  Pinus monticola E. B. Copeland 1903-9-8 3806 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
  CHSC86627  Plagiobothrys cognatus Jenny Marr 1993-7-1 10 Siskiyou Butte Valley Wildlife Area, +/- 7 air miles NW of the town of MacDoel. Meadow NW of Meiss Lake. 1349 Comment
  POM72151  Plagiobothrys nothofulvus Geo. D. Butler 1909-4-4 585 Siskiyou Yreka Comment
  SJSU8038  Plagiobothrys tener C. L. Kline 1965-7-14 204 Siskiyou 10 mi E of McCloud 1280 Comment
  RSA237615  Plantago lanceolata Frederick W. Oettinger 1967-8-3 239 Siskiyou Along Hancock Lake trail near the eastern most campsite along NW side of the Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1936 Comment
  HSC101400  Platanthera dilatata var. leucostachys J. P. Smith, J. O. Sawyer, R. J. Cole 2010-8-7 13057 Siskiyou Klamath National Forest, road to Crater Lake off Forest Service Road 40N24. 2003 Comment
  HSC61827  Platanthera dilatata var. leucostachys Ruby Van Deventer 1939-7-18 Siskiyou Poker Flat 1585 Comment
  SEINET10905339  Platanthera dilatata var. leucostachys Mary Susan Taylor 1980-1 Siskiyou Comment
  CHSC26184  Platanthera leucostachys J. P. Kroessing 1977-8-5 58 Siskiyou Panther Meadow, Mt Shasta n end of Everitt Memorial Hwy, ca 6 km s of Mt Shasta Peak. 2135 Comment
  JEPS64398  Platanthera leucostachys Willis L. Jepson 1894-8-9 21276 a Siskiyou Shasta Springs Region of Upper Sacramento Comment
  RSA233680  Platanthera leucostachys Robert F. Thorne, Frederick W. Oettinger 1969-8-10 38962 Siskiyou Mt. Shasta National Forest: S slope of Mt. Shasta, Panther Creek Meadows 2195 Comment
  RSA237638  Platanthera stricta Frederick W. Oettinger 1968-8-3 382 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
  UC416747  Plectritis ciliosa subsp. ciliosa F. W. Hooper 18 Siskiyou Little Shasta Comment
  CAS-BOT-BC458194  Pleuricospora fimbriolata Wm. Bridge Cooke 1938-8-5 11460 Siskiyou Mount Shasta: Sisson Southern Trail 1828 Comment
  CAS-BOT-BC261036  Poa Melissa A. Berry 1957-7-7 s.n. Siskiyou China Mt. divide, near Gazelle-Callahan Road 2286 Comment
  HSC30565  Poa annua Frederick W. Oettinger 1969-8-24 1529 Siskiyou Marble Mtn. Wilderness Area, English Lake. 1936 Comment
  HSC10640  Poa bolanderi J. T. Howell 1939-8-9 15218 Siskiyou Sky High Valley. 1829 Comment
  SEINET10659111  Poa bolanderi George D. Butler 1910-7-12 Butler 1750 Siskiyou Dry shady woods, Shackleford Creek. Comment
  CAS-BOT-BC255002  Poa bulbosa Thomas Howell; T. C. Fuller; G. D. Barbe 1980-4-29 53429 Siskiyou E side of Scott Valley, 10 miles S of Fort Jones on road to Callahan 853 Comment
  HSC65257  Poa bulbosa J. P. Smith 1973-5-5 6394 Siskiyou In and around the O'Neill Campground near Seiad Valley. 488 Comment
  NY431263  Poa howellii var. chandleri H. P. Chandler 06 1901 1703 Siskiyou North Coast Ranges: ridges and meadows near Marble Mountain 1524.0 Comment
  CAS-BOT-BC246829  Poa leptocoma John Thomas Howell 1939-8-10 15263 Siskiyou Sky High Valley, Marble Mts. 1828 Comment
  HSC68979  Poa pratensis Maralyn A. Renner 1980-7-24 2104 Siskiyou Pacific Crest Trail, 0.25 mi. SW of Cook and Green Pass. 1494 Comment
  HSC92154  Poa pratensis Jennifer Whipple 1977-7-21 2011 Siskiyou Near Durney Lake 2073 Comment
  HSC2386  Poa pringlei William J. Ferlatte 1966-8-4 301 Siskiyou Dorleska summit 2134 Comment
  UC642584  Poa pringlei Jason Swallen 1939-7-26 13755 Siskiyou lava slopes below Lake Helen (on Summit Trail); Mt Shasta Comment
  CAS-BOT-BC237708  Poa secunda Elmer I. Applegate 1935-6-8 9424 Siskiyou Bearpaw Cave, Lava Beds National Monument Comment
  UCD105959  Poa secunda Jesse Miller 2010-1 s.n. Siskiyou Near Yreka.. 1219 Comment
  CHSC98796  Poa secunda subsp. secunda J. K. Nelson; Rhonda Posey, Mary Ellen Colberg, Twyla Miller 2006-5-19 2006 -019 Siskiyou North side of Mt. Shasta, south of Hwy 97; Hotlum Fire area burned in February 2006. 1090 Comment
  HSC101843  Poa secunda subsp. secunda J. P. Smith, J. O. Sawyer, R. J. Cole 2011-5-22 13172 Siskiyou Along road from Cecilville to Forks of Salmon 743 Comment
  UC1055818  Poa secunda subsp. secunda Frank W. Gould 1940-5-15 1234 Siskiyou Lower Bull Meadow Goosenest Mt Comment
  UC1265394  Poa secunda subsp. secunda Frederick W. Oettinger 1969-8-3 1148 Siskiyou ridge above Horse's Hole Pond (near Horse Range Lake); Salmon Mts, High Lake Basins, Harvey Monroe Hall Natural Are 1981 Comment
  CHSC118265  Poa secunda subsp. secunda R. E. Brainerd; N. Otting 2013-7-12 2184 Siskiyou Klamath Mountains. Marble Mountain Wilderness Area. South side of Upper Wright Lake. 2255 Comment
  SEINET250671  Poaceae Cindy Roche, Robert Korfhage 2005-7-12 Siskiyou Road 1055 milepost 3.3 Cook and Green Road. 1036 Comment
  UC933398  Polemonium californicum Annie M. Alexander and Louise Kellogg 1948-9-9 5608 Siskiyou Taylor Lake Siskiyou Mountains, Taylor Lake 1828 Comment
  SEINET4557454  Polemonium californicum Ira L. Wiggins 1955-1 13574 Siskiyou Between Caribou Lake and Pass to Thompson Creek. 1957 Comment
  UC939437  Polemonium carneum E. L. Greene 1876-6-5 796 Siskiyou near Yreka; near Yreka Comment
  JEPS20037  Polemonium micranthum George D. Butler 1909-3-16 557 Siskiyou near Yreka (Butler's Ranch); near Yreka, Butler's Ranch Comment
  CAS-BOT-BC231346  Polemonium pulcherrimum Gilbert J. Muth 1969-8-7 1273 Siskiyou Boulder Peak Ridge Comment
  CAS-BOT-BC231305  Polemonium pulcherrimum L. R. Short 1933-8-6 21 Siskiyou Klamath National Forest. Bear Lake, Marble M. 2072 Comment
  UCD77932  Polyctenium fremontii Robert E. Preston 1997-6-1 1034 Siskiyou Grass Lake 1536 Comment
  CAS-BOT-BC170340  Polygala cornuta var. cornuta Doris K. Kildale 1925-9-6 1293 Siskiyou Somes Bar, near junction of Salmon & Klamath River 243 Comment
  UC1034061  Polygala cornuta var. cornuta W. Bridge Cooke 1941-9-5 16259 Siskiyou along Sisson Southern Trail and Memorial Highway Mount Shasta 1371 Comment
  UC705877  Polygala cornuta var. cornuta Marion Ownbey and Fred G. Meyer 1940-7-3 2164 Siskiyou 7 mi nw McCloud Comment
  UC572802  Polygonum aviculare subsp. aviculare W. Bridge Cooke 1937-8-6 9187 Siskiyou Bear Spring Mt. Shasta 1524 Comment
  CAS-BOT-BC414397  Polygonum californicum Louis C. Wheeler 1934-6-21 2747 Siskiyou Klamath National Forest. W. Fork Cottonwood Cr. 1005 Comment
  UC60974  Polygonum convolvulus Geo. B. Grant September 1902 5163 Siskiyou Sisson Mount Shasta 914 Comment
  JEPS84296  Polygonum davisiae L. R. Heckard with S. D'Alcamo, J. Hickman, and S. Winchester 1986-7-16 6416 Siskiyou e slope of mt. town of Seiad Valley (ca 5 mi n, cirque at head of Hell's Canyon); Kangaroo Mountain 1828 Comment
  JEPS57136  Polygonum douglasii L. R. Heckard 1967-7-5 1603 A Siskiyou along Bolam logging rd. on n. side of Mt. Shasta 1524 Comment
  RSA756974  Polygonum douglasii Barbara J. Ertter 1990-7-14 93101 Siskiyou East side of Mount Eddy about 4 air miles due west of Mount Shasta City, at streamlet near end of Forest Road 41N53, about 1 mile north of Morgan Meadows. 1677 Comment
  UC127342  Polygonum douglasii H. M. Hall and E. B. Babcock June, 1903 4096 Siskiyou Shasta Valley Mount Shasta 853 Comment
  CAS-BOT-BC414585  Polygonum douglasii Wm. Bridge Cooke 1938-7-29 11422 Siskiyou Mount Shasta. Wagon Camp. Along Wagon Camp Creek Comment
  POM104495  Polygonum douglasii Geo. D. Butler 1910-7-31 1803 Siskiyou Summer Fallow Fish near Yreka Comment
  RSA113746  Polygonum douglasii A. H. Murphy 1956-8-14 s.n. Siskiyou Little Mill Creek Meadows. 2012 Comment
  UC61060  Polygonum douglasii subsp. douglasii W. A. Setchell, C. C. Dobie 1902-7-26 Siskiyou Sisson Mount Shasta Comment
  UC1026908  Polygonum douglasii subsp. spergulariiforme W. Bridge Cooke 1940-6-7 15107 Siskiyou along Pacific Hwy near Black Butte Comment
  CAS-BOT-BC418597  Polygonum minimum Geo. D. Butler 1910-7-13 1776 Siskiyou Shackleford Creek 1219 Comment
  POM211468  Polygonum minimum Louis C. Wheeler 1934-8-22 3207 Siskiyou Siskiyou Mts: Dead Cow Creek. 1829 Comment
  SEINET10904455  Polygonum newberryi Mary Susan Taylor 1980-8-19 Taylor 3269 Siskiyou T43N R2E se sec 23, Medicine Lake quad. Shasta-Trinity Natl Forest, in pumice, on Paint Pot Crater. With J. Prouty & E. Heinz. 1920 Comment
  RSA184755  Polygonum phytolaccifolium Gilbert Muth 1966-7-17 406 Siskiyou Trail to Lookout, Marble Mtns. 1860 Comment
  CAS-BOT-BC419873  Polygonum polygaloides subsp. confertiflorum Herbert L. Mason 1948-7-17 13595 Siskiyou Eastern Grass Lake Comment
  CAS-BOT-BC420071  Polygonum polygaloides subsp. kelloggii Louis C. Wheeler 1934-7-3 2873 Siskiyou Soda Creek, Sterling Mt., Siskiyou Mts. 1676 Comment
  CHSC102557  Polygonum shastense L. P. Janeway 2009-8-3 9884 Siskiyou High Cascade Range. Mt. Shasta, east-northeast slope 1.3 air km southwest of Brewer Creek Trailhead; about 0.3 km south of Brewer Creek. 2560 Comment
  LA51273  Polygonum shastense Lincoln Ellison; 1928-9-11 510 Siskiyou Mount Shasta, SW slope of mountain 2438 Comment
  CAS-BOT-BC421085  Polygonum spergulariiforme Barbe 1957-7-13 379 Siskiyou Big Flat Public Camp, Klamath National Forest. 1524 Comment
  CAS-BOT-BC421075  Polygonum spergulariiforme Louis C. Wheeler 1934-9-26 3303 Siskiyou Lumgrey Creek, Siskiyou Mts. 1005 Comment
  UC637175  Polypodium glycyrrhiza Edward Lee 1934-8-11 1034 Siskiyou Walker Creek, a tributary of Klamath River Walker Creek; e end Seiad Valley 609 Comment
  HSC103017  Polypogon maritimus J. P. Smith 2014-6-6 13874 Siskiyou Along State Route 96 at the Portuguese Creek Access to the Klamath River 416 Comment
  HSC10848  Polypogon monspeliensis R. C. Wunner 1965-9-1 502 Siskiyou Lava Beds National Monument. NW boundary at end of dike. By shore of Tule Lake. Comment
  UC70718  Polypogon monspeliensis T. H. Gilbert Jun 15 1899-Jul 15 1899 Siskiyou Scott River Valley Comment
  CAS-BOT-BC76727  Polystichum imbricans subsp. imbricans Doris K. Kildale 1929-7-20 8726 Siskiyou Raspberry Lake, upper Indian Creek 1828 Comment
  CAS-BOT-BC76728  Polystichum imbricans subsp. imbricans J. H. Thomas 1949-6-16 953 A Siskiyou Klamath National Forest - 1/4 mile north of Beaver Creek Public Camp along Beaver Creek; 5 miles north of junction Comment
  UC150381  Polystichum imbricans subsp. imbricans A. A. Heller 1905-6-17 8061 Siskiyou near Sisson Comment
  HSC36663  Polystichum imbricans subsp. imbricans Brent Whiteley 1975-6-21 19 Siskiyou 223 Comment
  JEPS89828  Polystichum lemmonii Dean W. Taylor 1988-7-9 9930 Siskiyou divide between Fawn Creek and headwaters S. Fork Sacramento R. (Bear Ridge); N. Coast Ranges, Seven Lakes Basin 7 1/2 Quad., Bear Ridge 2072 Comment
  UC1481730  Polystichum lemmonii A. Lefebvre Oct 1941 Siskiyou 2 mi e White Mt. Comment
  UC812639  Polystichum lemmonii John Thomas Howell 1937-7-29 13668 Siskiyou n side Scott Mt. Comment
  POM212871  Polystichum lemmonii L. C. Wheeler 1934-8-14 11415 Siskiyou North side White Mt. About rocks, dry north slope. 1768 Comment
  UCSB28070  Polystichum lemmonii Bacciu, Eugene 1961-6-1 Siskiyou Mt. Eddy Creek, near Weed. 1524 Comment
  HSC19183  Polystichum munitum J. O. Sawyer 1968-9-13 721 Siskiyou W of the Happy Camp/O'Brien Rd. between Louse Creek and Indian Creek, on the E slopes of Little Grayback 1463 Comment
  CAS-BOT-BC76687  Polystichum munitum Marck Menke 1999-7-19 73 Siskiyou Klamath Nat. Forest, Trinity alps Wilderness, along Caribou lakes Trail, northeast of Brown's Meadow. 1950 Comment
  UC1597991  Polystichum munitum Alan R. Smith with Christopher Richard, C. Don MacNeill, and Bernard Stoffel 1993-5-9 2549 Siskiyou ca. 1/2 mi sw Three Sisters (Little Fern Cave, ca. 2 mi along rail to Three Sisters, n side of and immediately adjacent to trail); Lava Beds Nat'l Monument 1341 Comment
  CAS-BOT-BC102959  Populus trichocarpa W. B. C. 1942-7-2 16363 Siskiyou Bed of Mud Creek Canyon above the Dam, [Mt.Shasta] Mt. Shasta 1524 Comment
  UC163719  Portulaca oleracea Geo. D. Butler 1908-7-15 1061 Siskiyou near Yreka Comment
  CHSC57468  Potamogeton crispus L. P. Janeway 1984-6-21 852 Siskiyou West side of Klamath River at Dillon Creek. 228 Comment
  HSC100794  Potamogeton pusillus var. tenuissimus Lowell Ahart, John Dittes 2010-7-30 16963 Siskiyou In the Shasta river, ~30 yd. NW of the East Louie Road Bridge, Shasta Big Springs Ranch, 1.6 (air) mi. SW of Big Springs Lake, 4.6 (air) mi. NW of Dwinnel Dam, and 5.7 (air) mi. SE of Grenada. 717 Comment
  HSC18933  Potentilla breweri J. O. Sawyer 1969-7-18 1370 Siskiyou E of Waterdog Lake 2012 Comment
  HSC90540  Potentilla breweri Jennifer Whipple 1976-6-19 1052 Siskiyou Near Durney Lake 2073 Comment
  SD231135  Potentilla breweri James R. Shevock, B. Williams. 1987-8-18 11804 Siskiyou Klamath Ranges. Sisson trail above Kangaroo Lake, Klamath Mountains. 2012 Comment
  RSA0084030  Potentilla breweri Gilbert Muth 1969-8-8 1280 Siskiyou In gap on Boulder Peak Ridge. 2286 Comment
  CAS-BOT-BC143262  Potentilla flabellifolia Geo. D. Butler 1908-8-8 357 Siskiyou Marble Valley Comment
  HSC34154  Potentilla flabellifolia J. O. Sawyer 1969-7-18 1391 Siskiyou Head of S Russian Creek 1829 Comment
  UC609336  Potentilla flabellifolia Eleanor Burks Hart 1938-8-19 936 Siskiyou Upper Wright Lake 2225 Comment
  UC648278  Potentilla flabellifolia John Thomas Howell 1939-8-10 15269 Siskiyou Sky High Valley Marble Mts., Sky High Valley 1828 Comment
  RSA211468  Potentilla flabellifolia William J. Ferlatte 1966-8-17 390 Siskiyou Caribou Basin; Trinity Alps. 1982 Comment
  CAS-BOT-BC94849  Potentilla glandulosa R. C. Wenk 2005-7-15 236 Siskiyou Trinity Alps, above South Fork of Salmon River, along Yellow Rose Mine Trail 2042 Comment
  RSA68938  Potentilla glandulosa subsp. ashlandica A. E. Culbertson 1943-7-17 20 Siskiyou Castle Lake, in a north facing cirque with an abrupt 1000' backwall, 14 miles s.w. of Mt Shasta on n. side of a 6600' eastern spur of Trinity Mts.; 2000' above Sacramento R. within 10 air miles of its headwaters to the west. 1657 Comment
  UCR45421  Potentilla glandulosa subsp. glandulosa D. H. Norris 1970-5-23 12242 Siskiyou Along Klamath River at Ishi Pishi [Rd.] Bridge near Somes Bar 145 Comment
  CAS-BOT-BC540550  Potentilla gracilis var. fastigiata Wm. Bridge Cooke 1939-7-7 13591 Siskiyou Bear Springs, Mount Shasta 1524 Comment
  CAS-BOT-BC540575  Potentilla gracilis var. fastigiata W. B. Cooke; V. G. Cooke 1968-7-1 39229 Siskiyou Military pass Road at US-97, Mount Shasta 1371 Comment
  CAS-BOT-BC158528  Potentilla millefolia Mrs. Brandegee 1887-7-1 8074 Siskiyou Gazelle. At Edgewood, the first station south of Gazelle Comment
  HSC58918  Prosartes hookeri Marvin Butler 1971-7-6 26 Siskiyou Near El Capitan 1524 Comment
  CAS-BOT-BC516384  Prosartes hookeri Geo. D. Butler 1909-4-27 690 Siskiyou Quartz Valley Comment
  JEPS25764  Prunella vulgaris Rimo Bacigalupi with L. Constance and L. Heckard 1960-7-21 7476 Siskiyou 2.5 mi ne Swillup Creek crossing (along side canyon of Calif Hwy 96, Klamath River canyon); Klamath River canyon, ne of Swillup Creek crossing 304 Comment
  UCD125347  Prunella vulgaris N. S. Morgan 1934-9-1 s.n. Siskiyou Mount Shasta City, Box 363. Comment
  UC456106  Prunella vulgaris var. lanceolata I. J. Condit 1911-7-3 Siskiyou Shasta Retreat Comment
  CAS-BOT-BC158587  Prunus Alice Eastwood 1912-9-3 2081 Siskiyou North Fork, Sisson Comment
  CAS-BOT-BC158203  Prunus emarginata A. A. Heller 1920-8-12 13511 Siskiyou Two miles from Sisson on the Mt. Shasta trail Comment
  CAS-BOT-BC158216  Prunus emarginata Doris K. Kildale 1929-7-20 8676 Siskiyou Raspberry Lake, near east spur Preston Peak Comment
  JEPS44942  Prunus emarginata Willis L. Jepson 1894-8-4 13836 Siskiyou Mount Shasta, Niel's Camp Mount Shasta; , Niel's Camp Comment
  RSA453223  Prunus emarginata Bonnie C. Templeton 1957-6-22 s.n. Siskiyou Along the Scott River, north of Callahan. Comment
  RSA59511  Prunus emarginata E. K. Balls 1950-5-15 14701 Siskiyou Lava Beds National Monument, below Indian Well Public Camp. 1402 Comment
  UCD113449  Prunus emarginata John M. Tucker 1963-7-7 3711 Siskiyou in vicinity of Paradise Lake, at base on east side of Kings Castle, Marble Mountain Wilderness Area. 1981 Comment
  CAS-BOT-BC151227  Prunus virginiana var. demissa Wm. Bridge Cooke 1938-8-5 11443 Siskiyou MacBride Springs - Mount Shasta 1524 Comment
  HSC19190  Prunus virginiana var. demissa J. O. Sawyer 1968-6-18 216 Siskiyou Headwaters of Blake's Fork of S Russian Creek. 1738 Comment
  HSC43426  Prunus virginiana var. demissa Maralyn O'Meara 1974-5-26 448 Siskiyou Along Hwy. 3, 1/2 mi. NE of Fort Jones 854 Comment
  UC637026  Prunus virginiana var. demissa Edward Lee 1934-8-14 1101 Siskiyou Little Grayback, Siskiyou-Del Norte County line Little Grayback 1868 Comment
  CAS-BOT-BC162039  Pseudelymus saxicola John Thomas Howell 1952-6-14 28353 Siskiyou 7 miles east of Callahan on road to Gazelle. Comment
  CAS-BOT-BC357409  Pseudognaphalium microcephalum Carl B. Wolf 1927-8-26 1036 Siskiyou On the Klamath River, 4 mi. north of Gottville Comment
  JEPS25881  Pseudognaphalium stramineum Rimo Bacigalupi with L. Constance and L. Heckard 1960-7-21 7479 Siskiyou 4 mi above Oak Bottom guard station ((or 5 mi above and se of Somes Bar)); Salmon River gorge 274 Comment
  CAS-BOT-BC239818  Pseudoroegneria spicata Elmer I. Applegate 1935-6-10 9461 Siskiyou Indian Well, Lava Beds National Monument Comment
  CAS-BOT-BC239807  Pseudoroegneria spicata D. M. Traugh 1933-5-25 63 Siskiyou Klamath National Forest 609 Comment
  POM206496  Pseudoroegneria spicata subsp. spicata C. F. Baker 1903-9-7 3797 Siskiyou Mt. Eddy. Comment
  UC1130634  Pseudoroegneria spicata subsp. spicata H. S. Yates 1936-6-21 5810 Siskiyou 2 mi nw of Paradise Gragg 731 Comment
  JEPS48291  Pseudotsuga menziesii var. menziesii W. L. Jepson 1902-7-22 2958 Siskiyou Hamburg to Scott Valley (on Miamber Trail) Comment
  CDA38859  Pterospora andromedea J. R. Grisham 1968-10-9 s.n. Siskiyou Ball Mountain Road. 0 Comment
  UCD91526  Puccinellia distans A. A. Beetle; G. L. Stebbins 1942-5-31 3422 Siskiyou 6 miles north of Gazelle. Comment
  UCD91893  Puccinellia lemmonii Chandler Jensen; Mike McGourty 1961-8-1 s.n. Siskiyou Near Yreka, Red Bluff. Comment
  SEINET236688 Image available Puccinellia nuttalliana Louis C. Wheeler 1935-6-30 3635 Siskiyou 3 mi. south of Grenada Shasta Valley 792 Comment
  UCD22431  Purshia tridentata Brian Vanden Heuvel 2003-4-10 193 Siskiyou Shasta National Forest. 1.6 miles east of McCloud on CA 89, on south side of road. Comment
  SBBG30530  Purshia tridentata var. tridentata D. Myrick 1968-6-22 1991 Siskiyou Lava Beds Nat Monument 1371 Comment
  UCD113276  Purshia tridentata var. tridentata K. M. Meyer; A. Townesmith 2007-8-2 184 Siskiyou Shasta-Trinity National Forest. 0.1 mile on Forest Service Road 43N21, 12.5 miles on Highway 97, E side of road. 1218 Comment
  CAS-BOT-BC465507  Pyrola asarifolia L. E. Smith 1914-7-3 730 Siskiyou Sisson Comment
  HSC61507  Pyrola crypta Ruby Van Deventer 1939-7-18 Siskiyou Kelley Lake and Kelley Lake Trail 1524 Comment
  HSC61839  Pyrola dentata Ruby Van Deventer 1938-7-31 Siskiyou Poker Flat 1585 Comment
  RSA0080486  Pyrola dentata E. K. Balls 1949-7-8 13921 Siskiyou Road from Scott Mountain to Callahan. 1372 Comment
  CHSC1411  Pyrola picta V. Holt 1932-7-25 Siskiyou Castle Lake. 1950 Comment
  CHSC71579  Pyrola picta Vernon H. Oswald; Lowell Ahart 1998-8-3 9432 Siskiyou Near the Pacific Crest Trail in the Scott Mtns. west of Kangaroo Lake. 1981 Comment
  HSC19201  Pyrola picta J. O. Sawyer 1968-9-9 671 Siskiyou Ridges S of Cyclone Gap 1738 Comment
  JEPS37941  Quercus garryana W. L. Jepson 1902-7-20 2085 Siskiyou Summerville Comment
  UC164448  Quercus garryana Geo. D. Butler 1910-4-16 1182 Siskiyou Klamath River Comment
  UC848033  Quercus garryana Louis C. Wheeler 1934-10-7 3312 Siskiyou Oak Knoll Ranger Station Siskiyou Mountains, Klamath River 670 Comment
  CAS-BOT-BC94653  Quercus garryana W. R. Dudley 1901-8-26 s.n. Siskiyou W of Willow Creek Slope, Salmon Mountains Comment
  CAS-BOT-BC94655  Quercus garryana W. R. Dudley 1901-8-22 s.n. Siskiyou E Slope of Foxtail Ridge, Salmon Mountains Comment
  JEPS37847  Quercus garryana var. breweri W. L. Jepson 1907-7-5 2845 Siskiyou Marble Mt. Comment
  RSA23946  Quercus garryana var. breweri O. V. Matthews 1939-7-3 20 Siskiyou Maybe 1500 yards southwest of Sullivan Mine. Cook-Green Region W side of creek, maybe 3 miles by trail south of Blue Ledge Mine. 1067 Comment
  UCD46171  Quercus garryana var. breweri P. C. Everett; E. K. Balls 1954-10-13 20288 Siskiyou Indian Creek road to Obrien, summit of pass, 21 mi. n.w. from Hwy 96 at Happy Camp, Siskiyou County. 1554 Comment
  OBI36119  Quercus garryana var. garryana David J. Keil 1983-7-3 17379 Siskiyou 11 mi NE of jctn with SR 3 along Gazelle-Callahan rd Comment
  CAS-BOT-BC105473  Quercus kelloggii William Bridge Cooke 1938-8-5 11435 Siskiyou MacBride Spring Road, on the SW slopes of the mountain 1219 Comment
  RSA623527  Quercus kelloggii J. M. Tucker 1972-8-8 4244 Siskiyou Marble Mountains, trail from Whiskey Camp to Elk Peak, ca. 2.5 miles west-southwest of Marble Valley Guard Station. 1829 Comment
  UCD105619  Quercus kelloggii K. M. Meyer; A. Townesmith 2007-8-4 190 Siskiyou Klamath National Forest, 0.6 mi. on right fork, 6 mi. on rd. 7J001 out of Yreka, CA. (road past the water tower). 1286 Comment
  SEINET10838949  Quercus kelloggii Katherine L. Morris, Melvin L. Conrad; David B. Dunn 1973-6-2 Morris 349 Siskiyou Found at the junction of shasta and klamath rivers on hwy 263 Comment
  CAS-BOT-BC104356  Quercus sadleriana W. J. Ferlatte 1988-8-24 2118 Siskiyou near Des Moines Cr. on road 18N30, 0.1 miles from road to O'Brien; 17 miles N of Happy Camp 1066 Comment
  CHSC53244  Quercus sadleriana Sandra L. Holloway 1963-10-12 77 Siskiyou Junction Red Rock Valley trail and Canyon Creek trail, Marble Mountain Wilderness Area. 1341 Comment
  HSC64656  Quercus sadleriana J. O. Sawyer 1977-7-7 3042 Siskiyou Rd. to Haypress Meadows at Camp 3 1037 Comment
  JEPS22242  Quercus sadleriana Rimo Bacigalupi with Drs. Reino and Aloha Alava 1958-9-3 6881 Siskiyou junction of Poker Flat road and Happy Camp-Takilma Road; Siskiyou Mts. 1376 Comment
  OBI14235  Quercus sadleriana Reino Alava, Aloha Alava, Rimo Bacigalupi 1958-9-3 2454 Siskiyou At the jctn of the road to Poker Flat and the road from Happy Camp to Takilma 1376 Comment
  POM106235  Quercus sadleriana Geo. D. Butler 1908-8-4 234 Siskiyou West fork of Wooly Creek. Comment
  RSA237866  Quercus sadleriana Frederick W. Oettinger 1969-9-4 1668 Siskiyou Near gap between Tobacco Lake and Toms Lake Basin (in Tobacco Lake Basin), Salmon Mountians, the High Lake Basins in the vicinity of English Peak Marble Mountain Wilderness Area. 1829 Comment
  SBBG115705  Quercus sadleriana G. J. Muth, J. M. Tucker 1972-8-8 1796 Siskiyou Elk Pk, Scott Bar Quad 1828 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
  UC1043394  Quercus sadleriana P. C. Everett and E. K. Balls 1954-10-12 20274 Siskiyou 2 mi w Dry Lake Lookout (Horse Creek to Dry Lake Lookout); Horse Creek 1920 Comment
  UCD47257  Quercus sadleriana John M. Tucker 1972-8-8 4247 B Siskiyou (Q. garryana Hook. var. breweri (Engelm.) Jepson). California, Siskiyou Co.; Marble Mountains, trail from Whiskey Camp to Elk Peak, ca. 2.5 mi. west-southwest of Marble Valley Guard Station (extreme southeast corner of Section 20, R.11W., T.42N. 1828 Comment
  CAS-BOT-BC104632  Quercus vacciniifolia Louis C. Wheeler 1934-8-8 3066 Siskiyou Siskiyou Mts. West Fork Beaver Creek 1676 Comment
  HSC68342  Quercus vacciniifolia Maralyn A. Renner 1980-7-4 1426 Siskiyou Clear Creek Trail, N of Trout Camp. 1067 Comment
  RSA237820  Quercus vacciniifolia Frederick W. Oettinger 1968-9-8 783 Siskiyou On east side of English Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1753 Comment
  RSA659521  Quercus vacciniifolia Gary D. Wallace 1990-7-1 2958 Siskiyou Trinity Mountains: SW of Shasta City, Cedar Basin Research Area. 1829 Comment
  SEINET12029702  Quercus vacciniifolia Unknown 1983-1 4889 Siskiyou Terrace Lake 1898 Comment
  UC444423 Image available Raillardella pringlei C. A. Pringle 1882-8-19 Siskiyou Headwaters of the Sacramento River. 2286 Comment
  SEINET3159745  Ranunculus alismifolius G. D. Butler 1910-5-10 1322 Siskiyou Bulls meadows; Goosenest mountain 1676 Comment
  CDA24299  Ranunculus aquatilis var. subrigidus J. R. Grisham 1960-6-28 Siskiyou Abrams Lake, Mt. Shasta. 0 Comment
  CHSC91256  Ranunculus cymbalaria var. saximontanus Lowell Ahart; John Dittes 2005-6-9 12040 Siskiyou 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
  UC165955  Ranunculus eschscholtzii var. suksdorfii Geo. D. Butler 1908-8-5 349 Siskiyou summit above Cold Spring; Wooly Creek Comment
  UC165298  Ranunculus glaberrimus Geo. D. Butler 1910-3-7 1117 Siskiyou Shasta River Canyon Comment
  NY214641  Ranunculus marmorarius H. P. Chandler 06 1901 1691 Siskiyou Ridges and meadows near Marble Mountain 2286.0 Comment
  UC165940  Ranunculus occidentalis Geo. D. Butler 1909-4-17 647 Siskiyou near Yreka Comment
  RSA211168  Ranunculus orthorhynchus William J. Ferlatte 1967-6-30 590 Siskiyou Along S Fork of the Salmon River betw the campground and Carter's. 1524 Comment
  RSA47794  Ranunculus orthorhynchus Roxana S. Ferris, Laura Lorraine 1948-6-12 11820 Siskiyou E Fork of Scott River drainage, Parker Ranch, Plowman's Valley. 1204 Comment
  UC827926  Ranunculus orthorhynchus var. orthorhynchus Frank W. Gould 1940-5-14 1226 Siskiyou 11 mi w Highway U.S. 97 (on road to Montague); Bull Meadows 1676 Comment
  CAS-BOT-BC56111  Rhamnus ilicifolia Doris Overman 1919-9-1 s.n. Siskiyou Yreka Comment
  POM211390  Rhamnus ilicifolia Louis C. Wheeler 1934-11-7 3360 Siskiyou Siskiyou Mountains: Gottville, Klamath River. 567 Comment
  SEINET13946352 Image available Rhamnus purshiana A. A. Heller 1915-1 12245 Siskiyou Wagon creek at the foot of Mt. Eddy, elev about 3700 ft 1128 Comment
  HSC101869  Rhododendron columbianum R. D. Whittlesey 2013-8-3 13 Siskiyou 3.2 mi. west on Castle Creek Rd. from Castella, and 3.0 mi. up Sulfur Creek Climber's Trail. 1585 Comment
  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
  CAS-BOT-BC200396  Rhododendron occidentale var. paludosum W. R. Dudley 1905-8-4 s.n. Siskiyou Meadow foot of Mt. Eddy Comment
  CDA35348  Rhus trilobata Vernon H. Oswald & Lowell Ahart 1998-6-11 9173 Siskiyou Shasta National Forest plantation on the west side of Hwy. 97 2.2 miles northeast of Lake Shastina-Big Springs Rd., northeast of Weed. Comment
  CAS-BOT-BC438015  Ribes Laura M. Lathrop 1903-7-16 s.n. Siskiyou Shasta Retreat Comment
  UC375358  Ribes aureum Geo. D. Butler 1908-6-20 266 Siskiyou near Yreka Comment
  CAS-BOT-BC94998  Ribes binominatum R. C. Wenk 2005-6-17 173 Siskiyou Trinity Alps, S Fork of the Salmon River, near Big Flat Campground at S end of Big Flat Meadow 1517 Comment
  HSC99335  Ribes binominatum G. L. Clifton 1979-7-1 6193 Siskiyou Near Poker Flat, close to the town of Happy Camp 1538 Comment
  UC1222380  Ribes binominatum Joseph P. Tracy 1951-6-16 19499 Siskiyou at crossing of Takilma-Happy Camp Road (summit of Siskiyous); Siskiyous Comment
  UC165746  Ribes binominatum Geo. D. Butler 1908-8-4 259 Siskiyou head Shackleford Creek Comment
  SEINET515845  Ribes cereum Vernon Oswald 1997-7-28 8802 Siskiyou Forest Route 15 near Grasshopper Flat, 3.9 mi. S of Medicine Lake Road. 1701 Comment
  SEINET3154875  Ribes glanduliferum A. A. Heller 1905-6-9 8005 Siskiyou near railraod at Yreka Comment
  HSC64667  Ribes inerme var. klamathense J. O. Sawyer 1977-7-7 3041 Siskiyou N of Sugar Creek on Hwy. 3, Scott Valley 976 Comment
  HSC34131  Ribes lacustre J. O. Sawyer 1969-7-23 1177 Siskiyou Along Horse Range Creek 1555 Comment
  JEPS84054  Ribes lacustre L. R. Heckard with S. D'Alcamo, J. Hickman, S. Winchester 1986-7-16 6352 Siskiyou ca. 1/2 mi se Red Butte (ca. 7 mi nne of Seiad Valley, w of Cook and Green Pass) 1730 Comment
  UC1408860  Ribes lacustre Frederick W. Oettinger 1968-8-6 426 Siskiyou se corner Hancock Lake; Salmon Mountains, Marble Mountains Wilderness Area 1935 Comment
  HSC19376  Ribes lobbii J. O. Sawyer 1968-9-11 696 Siskiyou Slopes above Twin Valley. 1463 Comment
  RSA47619  Ribes lobbii Roxana S. Ferris, Laura Lorraine 1948-6-12 11768 Siskiyou 6 miles from Etna on forks of Salmon Road 1677 Comment
  RSA0021149  Ribes lobbii Geo. D. Butler 1910-4-22 1223 Siskiyou Quartz Valley. Comment
  CDA25541  Ribes marshallii T. C. Fuller 1958-6-18 1794 Siskiyou At summit of Siskiyou Mountains. 0 Comment
  CAS-BOT-BC219260  Ribes nevadense John Thomas Howell 1937-7-26 13528 Siskiyou Caribou Basin, Salmon-Trinity Alps 2286 Comment
  UC165932  Ribes roezlii Geo. D. Butler 1910-4-21 1211 Siskiyou Oro Fino Comment
  CDA25572  Ribes roezlii var. cruentum T. C. Fuller 1962-8-3 9520 Siskiyou Siskiyou Mountains; Slope above Salt Gulch, Horse Creek. 0 Comment
  JEPS43488  Ribes velutinum W. L. Jepson 1940-6-23 19986 Siskiyou e Grenada and Mayten (e side of Little Shasta Valley); Little Shasta Valley 883 Comment
  SEINET182273 Image available Ribes velutinum L. C. Wheeler 1935-5-4 3467 Siskiyou Siskiyou Mountains; Greenhorn Creek 853 Comment
  LA86537  Ribes viscosissimum John M. Tucker; 1963-7-7 3710 Siskiyou Marble Mountain Wilderness Area, in vicinity of Paradise Lake, at base of Kings Castle on E side 1981 Comment
  CHSC65221  Rorippa columbiae V. Parker; J. Cooper, M. Ulloa-Cruz 1994-5-25 600 Siskiyou Shasta-Trinity National Forests. McCloud Ranger District. Dry Lake area. Comment
  CHSC86437  Rorippa columbiae Jenny Marr 1993-7-1 91 Siskiyou Butte Valley Wildlife Area, SE of Meiss Lake, +/- 3 mi E of McDoel. Dept of Fish and Game land. Marsh. 1371 Comment
  SBBG25913  Rorippa curvisiliqua D. Myrick 1966-8-9 1477 Siskiyou Mountain Meadow Ranch, Big Flat 1524 Comment
  UC1871393  Rosa Barbara Ertter 2006-7-30 18749 b Siskiyou just N of Yreka on Rt 263, below roadbed in partial shade of isolated tree. 762 Comment
  CHSC9503  Rosa bridgesii J. F. Goodwin 1971-7-3 140 Siskiyou North side of road on hillside, 8.2 mi. south of Mt. Shasta Ski Bowl area. 1524 Comment
  NY345431  Rosa copelandii E. B. Copeland 1903-9-8 3875 Siskiyou Mt. Eddy 1463 Comment
  CAS-BOT-BC146758  Rosa gymnocarpa Doris K. Kildale 1929-5-31 9126 Siskiyou Cecilville, south fork of Salmon River Comment
  HSC19381  Rosa gymnocarpa J. O. Sawyer 1968-6-25 346 Siskiyou Along Horse Range Creek 1646 Comment
  HSC59618  Rosa gymnocarpa J. P. Smith, Steve Selva 1970-6-16 3993 Siskiyou 6 mi. from Hwy. 3 on Rd. 8 to Sugar Creek. 1280 Comment
  HSC69390  Rosa gymnocarpa Maralyn A. Renner 1980-8-31 2660 Siskiyou Poker Flat at trailhead to Twin Valley 1524 Comment
  RSA50227  Rosa gymnocarpa E. K. Balls 1949-7-9 13934 Siskiyou 8.3 miles from Etna on road to Sawyer's Bar. 1006 Comment
  UC1409335  Rosa gymnocarpa Frederick W. Oettinger 1968-8-17 559 Siskiyou Pine Lake Meadows Salmon Mountains, Marble Mountain Wilderness Area 1874 Comment
  CAS-BOT-BC147067  Rosa pisocarpa Alice Eastwood 1912-9-4 2099 Siskiyou Sisson Comment
  CAS-BOT-BC147076  Rosa pisocarpa John Thomas Howell 1937-7-23 13354 Siskiyou South Fork of Salmon River near Big Flat 1524 Comment
  UC136520 Image available Rosa pisocarpa E. B. Copeland 1903-9-8 3875 Siskiyou Mt. Eddy; ; Mt. Eddy, Siskiyou Co. 1463 Comment
  UC164305  Rosa pisocarpa Geo. D. Butler 1909-9-26 973 Siskiyou along creek near Yreka Comment
  RSA300565  Rosa pisocarpa Walter Wisura, John Dourley 1982-10-16 3873 Siskiyou Shores of Castle Lake, SW of town of Mt. Shasta. 1646 Comment
  HSC98452  Rosa spithamea Carl W. Mize 1972-6-22 86 Siskiyou Above U-turn on main rd. 732 Comment
  JEPS125884  Rotala ramosior Dean W. Taylor 1996-7-27 15864 Siskiyou Klamath National Forest; Grass Lake, about 15 air miles NE of Weed. Comment
  HSC26929  Rubus armeniacus J. P. Smith, J. O. Sawyer 1971-9-18 4835 Siskiyou 2 mi. W of the junction of Hwy. 3 and Rd. 8, N of Callahan. 1037 Comment
  HSC60413  Rubus laciniatus J. P. Smith, Steve Selva 1970-6-15 3901 Siskiyou 10 mi. NW of Forks of Salmon Comment
  HSC62281  Rubus lasiococcus Al Hobart 1968-6-20 Siskiyou Youngs Valley 1768 Comment
  CAS-BOT-BC147989  Rubus leucodermis Alice Eastwood 1921-7-26 10861 Siskiyou Soda Creek Comment
  UC618724  Rubus leucodermis W. Bridge Cooke 1938-6-17 11038 Siskiyou Sisson Southern trail , Sisson Southern Trail (Mount Shasta) 1371 Comment
  CAS-BOT-BC147308  Rubus parviflorus John Thomas Howell 1937-7-21 13190 Siskiyou South Fork of Salmon River near Big Flat 1524 Comment
  HSC58948  Rubus parviflorus Marvin Butler 1971-7-19 156 Siskiyou Near Marv's Meadow, close to the town of Cave Junction. 1464 Comment
  CAS-BOT-BC157168  Rubus ursinus D. E. Breedlove 1962-6-11 3351 Siskiyou On bank of Canyon Creek, about 20 miles west of Fort Jones; Marble Mountains 914 Comment
  HSC73299  Rubus ursinus M. A. Baker 1980-6-20 2214 Siskiyou Near Bald Mtn. 1036 Comment
  CAS-BOT-BC422225  Rumex acetosella Doris K. Kildale 1928-7-2 5409 Siskiyou Salmon Summit, via Horn Creek trail 1981 Comment
  HSC19447  Rumex acetosella J. O. Sawyer 1969-7-1 981 Siskiyou Above Paynes Lake Creek 1951 Comment
  CAS-BOT-BC433865  Rumex salicifolius Peter H. Raven 1956-8-11 10068 Siskiyou 9.6 miles south of turnoff to Bray on U.S. Highway 91 Comment
  JEPS39903  Rumex salicifolius var. denticulatus W. L. Jepson 1937-7-30 18534 Siskiyou near Poker Flat; Summit Siskiyou Mts. 1554 Comment
  RSA120933  Sagina decumbens subsp. occidentalis G. D. Barbe 1957-7-14 393 Siskiyou Salmon-Trinity Alps Wilderness Area, w/s of private road S of Big Flat Public Camp, Klamath National Forest. About 1 mile S of boundary gate. Comment
  UC166122  Sagina saginoides Geo. D. Butler 1908-8-7 48 Siskiyou lake at head of W. Fork Woolly Creek Comment
  POM107341  Salix boothii Geo. D. Butler 1908-8-7 152 Siskiyou Lake at head of W fork of Wooley Creek. 1829 Comment
  CAS-BOT-BC103465  Salix eastwoodiae Harley P. Chandler 1901-6-1 1547 Siskiyou Ridges and meadows near Marble Mountain 1828 Comment
  HSC22195  Salix eastwoodiae J. O. Sawyer 1969-8-4 1919 Siskiyou Headwaters of S Sugar Creek. 2043 Comment
  HSC34266  Salix eastwoodiae J. P. Smith, J. O. Sawyer 1973-8-14 7312 Siskiyou Around Cliff Lake 1860 Comment
  RSA201499  Salix eastwoodiae J. T. Howell 1939-8-5 15078 Siskiyou Spirit Lake, Marble Mtns 1829 Comment
  UC1409264  Salix eastwoodiae Frederick W. Oettinger 1968-9-3 690 Siskiyou near Horse's Hole Horse Range Lake Basin; Salmon Mts, High Lake Basins, English Peak vicinity, Marble 1828 Comment
  SJSU167  Salix exigua Mrs. H. P. Bracelin 1931-6-22 477 Siskiyou Pit R at Gibson flag station, 125km N of Red Bluff 457 Comment
  CAS-BOT-BC107785  Salix hindsiana L. B. Kildale 1930-5-31 9793 Siskiyou Island in Klamath River near Hornbrook Comment
  CAS-BOT-BC107662  Salix jepsonii Ira L. Wiggins 1955-7-27 13565 Siskiyou Margin of Caribou Lake, Salmon-Trinity Alps Primitive Area 2042 Comment
  HSC86429  Salix jepsonii D. K. Imper 1987-6-6 Siskiyou 8 mi. E of Somes Bar 1372 Comment
  RSA101634  Salix laevigata Thomas Howell 1889-4-14 1393 Siskiyou Hornbrook. Comment
  HSC27474  Salix lasiandra J. P. Smith, J. O. Sawyer 1972-5-28 5365 Siskiyou 5 mi. S of Etna on Hwy. 3 915 Comment
  UC449838  Salix lasiandra subsp. lasiandra L. S. Smith 1931-6-1 20 Siskiyou near Mt. Shasta Mt. Shasta 1066 Comment
  UC482250  Salix lasiandra subsp. lasiandra Mrs. H. P. Bracelin 1931-6-19 423 Siskiyou ca. 16 km. n.w. Shasta City (n.e. side Mt. Eddy, stream above Metcalf ranch house); Mt. Eddy 1350 Comment
  CAS-BOT-BC107076  Salix lasiolepis Mrs. H. P. Bracelin 1936-5-12 845 Siskiyou 11 miles N.W. from Mt. Shasta City, and about 2 miles E. of Burney Mill, N. base of Mt. Eddy 1127 Comment
  CAS-BOT-BC107086  Salix lasiolepis Mrs. H. P. Bracelin 1936-5-12 841 Siskiyou 11 miles N.W. from Mt. Shasta City, and about 2 miles E. of Burney Mill, N. base of Mt. Eddy 1127 Comment
  UC375233  Salix lasiolepis Geo. D. Butler 1909-9-20 1083 Siskiyou along creek near Yreka Comment
  UC482245  Salix lasiolepis Mrs. H. P. Bracelin 1931-6-19 419 Siskiyou about 16 km nw Shasta City (ne side of mt., edge of stream above Metcalf ranch house); Mount Eddy 1425 Comment
  RSA237997  Salix lemmonii Frederick W. Oettinger 1969-7-18 1060 Siskiyou E side of Upper English Lake. Salmon Mtns. High Lake Basins in the Vicinity of English Peak. Marble Mtn Wilderness Area. 1890 Comment
  SBBG29077  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
  RSA201420  Salix lucida subsp. lasiandra J. T. Howell 1939-8-9 15206 Siskiyou Sky High Valley, Marble Mountains. 1829 Comment
  SBBG29032  Salix lucida subsp. lasiandra Mrs. H. P. Bracelin 1931-6-19 423 Siskiyou NE side of Mt Eddy, ca. 16 km NW of Shasta City, above Metcalf ranch house 1350 Comment
  CAS-BOT-BC126151  Salix scouleriana L. E. Smith 1913-3-28 614 Siskiyou Weed Comment
  CAS-BOT-BC129045  Salix scouleriana W. R. Dudley 1899-8-8 s.n. Siskiyou Near Big Spring above Sisson Comment
  RSA238267  Salix scouleriana Frederick W. Oettinger, Robert F. Thorne 1969-8-8 1308 Siskiyou English Lake. Salmon Mtns. High Lake Basins in the vicinity of English Peak. Marble Mtn Wilderness Area. 1738 Comment
  SBBG27416  Salix scouleriana Mrs. H. P. Bracelin 1931-6-20 446 Siskiyou Wagon Crk Cyn, ca. 1 km up from Metcalf ranch house, E side of Mount Eddy, ca. 17 km NW of Shasta City 1170 Comment
  SEINET12003151  Salix sessilifolia Unknown 1936-1 13444 Siskiyou Klamath river Comment
  HSC667  Salix sitchensis William J. Ferlatte 1967-7-9 683 Siskiyou Kidd Creek Trail 1768 Comment
  UCD125660  Salvia virgata M. V. Maxwell 1941-6-25 s.n. Siskiyou 3 miles east of Hornbrook. 670 Comment
  UC61047  Sambucus mexicana W. A. Setchell, C. C. Dobie 1902-7-18 Siskiyou Sisson Mount Shasta Comment
  RSA238832  Sambucus microbotrys Frederick W. Oettinger 1968-8-6 423 Siskiyou Along lake trail on the southeast side of Hancock Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1936 Comment
  CAS-BOT-BC238892  Sambucus nigra subsp. caerulea Wm. Bridge Cooke 1939-6-30 13566 Siskiyou Mount Shasta. Grows near the outlet of MacBride Springs Comment
  HSC65077  Sambucus nigra subsp. caerulea J. P. Smith, Steve Selva 1970-6-15 3938 Siskiyou Road between Forks of Salmon and Cecilville. 579 Comment
  HSC69296  Sambucus nigra subsp. caerulea Maralyn A. Renner 1980-7-24 1997 Siskiyou Lily Pad Lake 1768 Comment
  CAS-BOT-BC238888  Sambucus nigra subsp. caerulea W. R. Dudley 1901-8-25 s.n. Siskiyou Salmon Creek 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
  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
  JEPS74642  Saussurea americana T. C. Fuller and D. H. Shaw 1974-9-24 20045 Siskiyou Horse Creek Siskiyou Mts., White Mtn. (in spring at headwaters, sw slope of mt.) Comment
  JEPS84269  Saxifraga aprica L. R. Heckard with J. Hickman et al. 1986-7-17 6465 Siskiyou 5 mi n of the town of Seiad Valley (Trail up Kangaroo Peak, s of Lily Pad Lake); Kangaroo Peak 2011 Comment
  CDA25440  Saxifraga nidifica G. D. Barbe, J. T. Howell, T. C. Fuller 1980-4-29 2655 Siskiyou Behind motel and restaurant at Old Highway 99 and Greenhorn Road, south edge of Yreka. 0 Comment
  JEPS13970  Saxifragopsis fragarioides W. L. Jepson 1907-7-5 2833 Siskiyou Marble Mt. Comment
  CAS-BOT-BC445873  Saxifragopsis fragarioides Louis C. Wheeler 1934-8-2 3015 Siskiyou Alex Canyon; Klamath Forest 1889 Comment
  CAS-BOT-BC283655  Schedonorus pratensis A. A. Heller 1915-8-24 12214 Siskiyou Metcalf's ranch, NE base of Mount Eddy 1188 Comment
  CHSC106274  Schoenoplectus americanus Lowell Ahart; John Dittes 2010-7-30 16968 Siskiyou About 10 yards south of the Shasta River, about 50 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
  HSC773  Scirpus microcarpus William J. Ferlatte 1967-8-17 948 Siskiyou Yellow Rose Mine 1982 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
  CDA2411  Secale cereale T. C. Fuller 1958-6-19 1893 Siskiyou Tom Williams property, 4 miles northeast of Montague. 0 Comment
  UC165984  Sedum Geo. D. Butler 1908-6-27 140 Siskiyou Forest House (mountain) Forest House Comment
Read comments
Oct 20 2011
  HSC23663  Sedum lanceolatum J. O. Sawyer 1969-7-2 1003 Siskiyou E of Twin Lakes 2195 Comment
  CHSC33032  Sedum laxum subsp. heckneri M. A. Baker 1978-7-17 594 Siskiyou On the north bank of the Salmon River 5 k east of ... Field redacted by CHSC, contact the data manager for more information Comment
  HSC28658  Sedum laxum subsp. heckneri Frederick W. Oettinger 1969-7-11 988 Siskiyou Marble Mountain Wilderness Area: Near summit of Little Medicine Mtn. (N of Hancock Lake) 2104 Comment
  HSC74907  Sedum obtusatum subsp. retusum J. P. Smith 1978-7-1 9959 Siskiyou Klamath National Forest, Baker Cypress Grove 854 Comment
  CAS-BOT-BC64660  Sedum oregonense Wm. Bridge Cooke 1968-7-18 88 Siskiyou Slope south above Castle Lake, 1889 Comment
  RSA264941  Sedum oregonense G. L. Clifton 1975-7-28 9943 Siskiyou Near Cook and Green Pass near the Seiad Valley. 1646 Comment
  UCR246359  Sedum radiatum subsp. depauperatum Peter F. Zika 2011-7-19 25643 Siskiyou Klamath Range (KR), above Forest Service Road 1055, 0.4 road miles above and S of junction with FS Road 1050; 2 air miles WSW of Stein Butte, Siskiyou Mountains 680 Comment
  RSA0074772  Sedum spathulifolium L. C. Wheeler 1934-8-16 3171 Siskiyou Siskiyou Mountains: 2 mi. east of White Mt. 1920 Comment
  HSC99739  Selaginella scopulorum J. O. Sawyer 1969-7-25 1541 Siskiyou SW facing upper slope above Sugar Lake 2210 Comment
  SBBG19225  Selaginella scopulorum L. L. Kiefer 1963-8-8 827 Siskiyou White Mtn, N of town of Horse Crk, trail from Siskiyou Summit to White Mtn 1524 Comment
  UC185220  Selaginella wallacei Geo. D. Butler 1909-7-15 874 a Siskiyou Highland Mine Highland Mine Comment
  CAS-BOT-BC363422  Senecio aronicoides Wm. Bridge Cooke 1938-6-17 11013 Siskiyou Mount Shasta. Sisson Southern Trail Comment
  HSC91208  Senecio fremontii Jennifer Whipple 1976-9-2 1762 Siskiyou S-face of Mt. Eddy draining into the N Fork of the Sacramento River 2561 Comment
  JEPS37284  Senecio integerrimus var. major Duncan Dunning 1922-6-6 Siskiyou nw of Fort Jones; Moffett Creek Comment
  CAS-BOT-BC364445  Senecio triangularis Doris K. Kildale 1929-7-20 8707 Siskiyou Raspberry Lake, upper South Fork of Indian Creek 1828 Comment
  JEPS116591  Senecio triangularis Julie Kierstead Nelson with Rhonda Posey, Ross Olson 2007-8-1 2007 -022 Siskiyou The Eddys, west of Mt. Shasta. Wet seep adjacent to unnamed tributary to Middle Fork of upper Sacramento River, along Forest Service Rd. 40N64 ca. 1/2 mi N Middle Fork crossing; Mt. Eddy 1693 Comment
  HSC4762  Senecio triangularis William J. Ferlatte 1966-8-4 323 Siskiyou N side of Caribou Mtns. 1982 Comment
  HSC61998  Senecio triangularis Ruby Van Deventer 1939-7-19 Siskiyou Poker Flat 1585 Comment
  SEINET3876323 Image available Sequoia sempervirens Alv Dan Youngberg 1964-7-25 89 Siskiyou Found growing at the Happy Camp Ranger Station, Humbolt Meridian.; 0 Comment
Read comments
Feb 21 2015
  UCD92872  Setaria viridis R. Tofsrud 1948-8-1 s.n. Siskiyou Dunsmuir. Comment
  RSA211491  Sibbaldia procumbens William J. Ferlatte 1967-8-20 1050 Siskiyou Caribou Basin. Sawtooth Ridge. 2043 Comment
  JEPS105035  Sidalcea glaucescens Dean W. Taylor 1996-7-7 15823 Siskiyou Scott Mountains; Highway 3 about 3 miles North of Scott Mountain Pass; Klamath National Forest 1402 Comment
  HSC76964  Sidalcea malviflora subsp. nana K. T. Stillman 1976-7-30 326 Siskiyou Marble Mtn. Wilderness Area, Elk Valley. Comment
  CAS-BOT-BC205790  Sidalcea oregana David D. Keck 1938-8-6 4815 Siskiyou At Del Norte Co. line, Poker Flat, summit of Siskiyou Mts., 4 mi. S. of Oregon line, on road from Waldo to Happy Camp 1555 Comment
  HSC81753  Sidalcea oregana subsp. spicata Thomas W. Nelson, Jane Nelson 1980-7-20 6185 Siskiyou Above and to SE of Big Carmen Lake 1738 Comment
  JEPS67263  Sidalcea oregana subsp. spicata Geo. D. Butler 1908-7-23 62 Siskiyou Eastlick's Ranch Oro Fino, Eastlick's Ranch Comment
  UC18929  Sidalcea oregana subsp. spicata State Survey 1800-1 1434 Siskiyou Strawberry Valley Mt. Shasta, Strawberry Valley Comment
  UC454917  Sidalcea oregana subsp. spicata I. J. Condit 1911-7-27 Siskiyou Castle Lake 1981 Comment
  SBBG2016  Silene campanulata subsp. glandulosa H. and M. Dearing 1939-6-3 3530 Siskiyou Spring Flat, Klamath Nat Forest Comment
  SEINET3165983  Silene campanulata subsp. glandulosa P. J. Alexander 2008-7-24 870 Siskiyou Below the Pacific Crest Trail on the E side of Lilypad Lake, +-0.6 miles S of Red Butte, +-5.5 miles N of Seiad Valley, Siskiyou Mountains, Rogue River National Forest. 1737 Comment
  HSC68019  Silene campanulata subsp. greenei J. P. Smith 1973-5-5 6370 Siskiyou In and around the O'Neill Campground near Seiad Valley. 488 Comment
  CAS-BOT-BC388949  Silene grayi A. A. Heller 1920-6-29 13403 Siskiyou Near Wagon Creek falls, east side of Mt. Eddy Comment
  CAS-BOT-BC388957  Silene grayi John Thomas Howell 1939-8-8 15168 A Siskiyou Black Mt., Marble Mts. Comment
  HSC68330  Silene grayi Maralyn A. Renner 1980-6-26 1241 Siskiyou SE edge of Flint Valley. 1390 Comment
  CAS-BOT-BC388941  Silene grayi Mary Ann Showers 1980-8-28 2059 Siskiyou To the north of Red Butte on the lower slopes of Mt. Shasta, Shasta Trinity National Forest 2377 Comment
  RSA145075  Silene grayi P. A. Munz 1960-8-22 24188 Siskiyou Panther Meadows, Mount Shasta. 2530 Comment
  CAS-BOT-BC388995  Silene laciniata subsp. californica Alice Eastwood 1912-7-24 1370 Siskiyou Castella Comment
  CDA3457  Silene latifolia subsp. alba L. Witherspoon, F. D. Horn 1978-8-21 Siskiyou Highway 97 South, Butte Valley, Mt. Hebron. 0 Comment
  CAS-BOT-BC389430  Silene lemmonii Alice Eastwood 1912-7-21 1287 Siskiyou Sisson Comment
  UCR21089  Sisyrinchium bellum T. W. Fisher, Earl Oatman, R. E. Orth 1974-6-26 s.n. Siskiyou McIntosh Ranch on the McCloud River near Bartle 1220 Comment
  RSA211516  Sisyrinchium bellum William J. Ferlatte 1966-6-22 101 Siskiyou Along the South Fork of the Salmon River between the campgrond and Carters; Trinity Alps. 1524 Comment
  JEPS24786  Smilax californica Rimo Bacigalupi with Drs. Reino and Aloha Alava 1958-9-1 6794 Siskiyou along river below and sw Mt. Shasta town (Sisson) (between debouchements of Wagon and Scott Camp Creeks); South Fork of Sacramento River 944 Comment
  HSC36222  Solanum nigrum John Rehling Siskiyou Along Hwy. 3, .5 mi. N of Fort Jones Comment
  CHSC71606  Solanum parishii Vernon H. Oswald; Lowell Ahart 1998-8-3 9458 Siskiyou Kangaroo Lake Rd. (USFS 41N08) 2.6 mi southeast of Gazelle-Callahan Rd. At roadside. 1426 Comment
  CAS-BOT-BC157049  Solanum umbelliferum D. Parker 1950-6-15 451 Siskiyou Along Kidder Creek 914 Comment
  RSA183743  Solidago canadensis subsp. elongata Gilbert Muth 1965-8-3 146 Siskiyou Meadow, Marble Valley, Marble Mountains. Comment
  CAS-BOT-BC365567  Solidago elongata Louis C. Wheeler 1934-9-2 3240 Siskiyou Klamath National Forest. Miller Glade 1828 Comment
  CAS-BOT-BC365576  Solidago elongata Geo. D. Butler 1910-7-20 1732 Siskiyou Goosenest foothills 1524 Comment
  HSC96880  Solidago elongata Gordon Leppig 1997-8-23 674 Siskiyou Russian Wilderness; cirque W of Little Duck Lake 2200 Comment
  JEPS32422  Solidago elongata Willis L. Jepson Jul 24 1894-Aug 10 1894 Siskiyou upper Sacramento (Sisson); Region of the Upper Sacramento, Sisson Comment
  UC163885  Solidago elongata Geo. D. Butler 1910-7-20 1732 Siskiyou Goosenest foothills 1524 Comment
  UC88139  Solidago elongata K. Brandegee July 1887 Siskiyou Sisson's Comment
  UCD133894  Solidago multiradiata Robert E. Preston 2001-8-26 1765 a Siskiyou Klamath National Forest, north slope of Rainbow Mountain, Hemlock Lake. 1889 Comment
  JEPS95109  Solidago velutina subsp. californica Vernon Oswald and Lowell Ahart 1997-7-28 8791 Siskiyou se of Medicine Lake at Paynes Springs, on floor and walls of Paynes Creek Canyon n of the campground Medicine Lake; Paynes Springs, Paynes Creek Canyon 1981 Comment
  RSA178547  Sorbus californica Joseph P. Tracy 19478 Siskiyou Summit of the Sikiyous at crossing of the Takilma-Happy Camp Rd. (See L. Constance '3 miles S of State Line'). 1463 Comment
  UC618791  Sorbus californica W. B. Cooke 1938-7-22 11341 Siskiyou Sisson Southern Trail Spring [Canadian] Sisson Southern Trail Spring; Mount Shasta 1981 Comment
  POM91495  Sorbus californica Geo. D. Butler 1910-7-8 1681 Siskiyou Shakleford Creek 1372 Comment
  CAS-BOT-BC158939  Sorbus scopulina Doris K. Kildale 1928-8-18 6453 Siskiyou Lead of north fork of Salmon River at Finley's Upper Camp Comment
  CHSC27345  Sorbus scopulina T. B. Devine 1976-9-4 359 Siskiyou Castle Lake. Comment
  HSC19254  Sorbus scopulina J. O. Sawyer 1969-6-12 898 Siskiyou Along C.C.C. road just S of Sugar Creek 1463 Comment
  HSC29500  Sorbus scopulina Frederick W. Oettinger 1968-8-13 501 Siskiyou Marble Mtn. Wilderness Area, S inlet to Hancock Lake 1936 Comment
  UC454961  Sorbus scopulina I. J. Condit 1911-7-27 Siskiyou Castle Lake 1981 Comment
  UC466712  Sorbus scopulina Annie M. Alexander and Louise Kellogg 1911-8-23 341 Siskiyou Castle Lake 1656 Comment
  UCD78008  Sorbus scopulina Robert E. Preston 2002-6-20 1864 Siskiyou Klamath National Forest, Rainbow Mountain, north slope. 1735 Comment
  HSC29470  Sorbus sitchensis var. sitchensis Frederick W. Oettinger 1968-9-8 789 Siskiyou Marble Mtn. Wilderness Area, outlet of English Lake 1799 Comment
  UCD92633  Sorghum halepense Collector Unknown 1956-8-21 s.n. Siskiyou Mt. Shasta City. Comment
  CAS-BOT-BC520389  Sparganium angustifolium Dana York 2011-9-9 3098 Siskiyou Klamath National Forest, a few meters inside Marble Mountain Wilderness at Isinglass Lake 1985 Comment
  RSA0097341  Spergularia rubra Gilbert Muth 1966-7-14 391 Siskiyou Flat above Marble Valley, Marble Gap Trail, Marble Mountains. 1829 Comment
  JEPS25814  Sphenosciadium capitellatum Geo. D. Butler 1908-8-10 460 Siskiyou Shackleford Creek 1371 Comment
  HSC18903  Spiraea douglasii J. O. Sawyer 1968-6-18 246 Siskiyou Valley bottom of Blakes' Fork. 1707 Comment
  POM140065  Spiraea douglasii Geo. D. Butler 1910-7-9 1708 Siskiyou Shackleford Creek. 1220 Comment
  RSA264963  Spiraea douglasii M. Ekblad 1975-10-16 s.n. Siskiyou Near Shelley Lake. Near Etna. 1634 Comment
  SBBG25910  Spiraea douglasii D. Myrick 1966-8-8 1485 Siskiyou Big Flat Cmpgrd, Mtn Meadow Ranch, Big Flat 1828 Comment
  UC466728  Spiraea douglasii H. W. Furlong Sep 1901 Siskiyou Summit to Ager (No. California and So. Oregon) Comment
  HSC71  Spiraea splendens var. splendens William J. Ferlatte 1967-7-25 731 Siskiyou Caribou Basin 1982 Comment
  UC455174  Spiranthes porrifolia I. J. Condit 1911-7-17 Siskiyou Shasta Retreat Comment
  HSC26908  Spiranthes romanzoffiana J. P. Smith, J. O. Sawyer 1971-9-17 4774 Siskiyou Little Duck Lake outlet Comment
  RSA237644  Spiranthes romanzoffiana Frederick W. Oettinger, Robert F. Thorne 1969-8-8 1303 Siskiyou Sundew Bog near English Lake. Salmon Mtns; High Lake Basins in the vicinity of English Peak; Marble Mountain Wilderness Area. 1829 Comment
  RSA28132  Spiranthes romanzoffiana Elmer I. Applegate 1923-8-18 3884 Siskiyou Medicine Lake. Comment
  JEPS74335  Stachys ajugoides var. rigida L. R. Heckard with T. I. Chuang and R. Bacigalupi 1974-7-23 3755 Siskiyou about 4 air mi n Yreka (Shasta River bridge); Shasta River Comment
  POM70360  Stachys rigida subsp. rigida Geo. D. Butler 1910-7-24 1792 Siskiyou Yreka Creek. Comment
  HSC78209  Stachys rigida var. rigida L. P. Janeway 1983-8-16 546 Siskiyou Poker Flat 1524 Comment
  CAS-BOT-BC181417  Stellaria calycantha Wm. Bridge Cooke 1939-7-26 13746 Siskiyou West boreal spring above Panther Creek Meadows - Mount Shasta 2590 Comment
  UCD78020  Stephanomeria lactucina Robert E. Preston 2001-8-26 1768 Siskiyou Klamath National Forest, north slope of Rainbow Mountain, 2072 Comment
  CDA8848  Stephanomeria lactucina T. C. Fuller 1967-8-14 16258 Siskiyou Road to McCloud Reservoir, 2 miles south of McCloud. 0 Comment
  RSA237475  Stephanomeria lactucina Frederick W. Oettinger 1967-8-21 300 Siskiyou Pine Lake trail about midway down. The Salmon Mtns. High Lake Basins in the vicinity of English Peak. Marble Mtn Wilderness Area. 2024 Comment
  HSC16332  Stephanomeria tenuifolia D. M. Thomson 1965-8-18 186 Siskiyou California Lava Beds National Monument; E slope of Caldwell Butte Comment
  HSC6234  Stephanomeria virgata R. C. Wunner 1965-9-8 511 Siskiyou California Lava Beds National Monument; 0.1 mi. on Rd. to Caldwell Ice Cave 1372 Comment
  HSC43031  Stipa lemmonii J. O. Sawyer, Ken Stillman 1976-7-2 2804 Siskiyou Ridges E of the Little N Fork Trail 732 Comment
  HSC92576  Stipa lemmonii Jennifer Whipple 1977-7-21 2012 Siskiyou Near Durney Lake, N shore 2073 Comment
  HSC25452  Stipa nelsonii subsp. dorei J. P. Smith, J. O. Sawyer, Maralyn O'Meara 1972-7-3 5648 Siskiyou Ridge E of Cook and Green Pass. 1524 Comment
  HSC30691  Stipa occidentalis var. occidentalis Frederick W. Oettinger 1968-9-6 744 Siskiyou Marble Mtn. Wilderness Area, Bear Meadow, Tom's Lake Region 2188 Comment
  CAS-BOT-BC61131  Streptanthus barbatus Peter H. Raven 1956-9-5 10455 Siskiyou North Fork of the Sacramento River. 2011 Comment
  OBI55477  Streptanthus barbatus David J. Keil, Kathleen Keil 1992-7-21 23530 Siskiyou Klamath Natl Forest SE of Callahan. Forest Rd 40N08, 1.7 mi W of Scott Mtn rd (hwy 3) Comment
  CAS-BOT-BC87845  Streptanthus tortuosus John Thomas Howell 1937-7-22 13298 Siskiyou South Fork of Salmon River near Big Flat. 1524 Comment
  RSA237369  Streptanthus tortuosus Frederick W. Oettinger 1968-8-5 406 Siskiyou Ridge between English Peak and Diamond Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2073 Comment
  UCD78029  Streptanthus tortuosus Robert E. Preston 2001-6-23 1612 Siskiyou Klamath National Forest, n-facing slope of Rainbow Mtn, T42N R1W se 1/4 Section 15 1889 Comment
  POM95329  Streptanthus tortuosus Geo. D. Butler 1910-4-22 1221 Siskiyou Kidder Creek Comment
  CAS-BOT-BC516436  Streptopus amplexifolius Ira L. Wiggins 1955-7-24 13502 Siskiyou Trail at crossing of China Creek, above diversion dam 1301 Comment
  JEPS62164  Streptopus amplexifolius var. americanus Geo. D. Butler 1908-8-8 97 Siskiyou Marble Valley camp Marble Valley 1676 Comment
  RSA577888  Stuckenia pectinata L. C. Wheeler 1935-6-23 3592 Siskiyou Shasta River 2 mi. NW Montague. 762 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
  JEPS74529  Suksdorfia ranunculifolia W. J. Ferlatte 1966-6-22 70 Siskiyou Josephine Lake basin; Trinity Alps, Josephine Lake basin 1676 Comment
  UC166206  Swertia albicaulis var. nitida Geo. D. Butler 1908-6-25 416 Siskiyou near Yreka Comment
  UC576572  Swertia albicaulis var. nitida L. Constance 1928-6-10 Siskiyou near Dunsmuir Comment
  HSC46227  Swertia albicaulis var. nitida Jennifer Whipple 1978-6-5 2338 Siskiyou Weston Gulch in Scott Valley 854 Comment
  CAS-BOT-BC245845  Symphoricarpos W. R. Dudley 1901-8-18 s.n. Siskiyou Jackson Lake, Salmon Mts. Comment
  RSA43680  Symphoricarpos hesperius H. M. Pollard 1947-9-6 s.n. Siskiyou Dillons Mt. Forest Road. 1220 Comment
  HSC18887  Symphoricarpos mollis J. O. Sawyer 1968-7-23 566 Siskiyou Along trail from Brown's Valley to Caribou Basin including areas around Snowslide Lake and Caribou Lake. 1829 Comment
  HSC27962  Symphoricarpos mollis Carl W. Mize 1972-9-23 122 Siskiyou 610 Comment
  SBBG7655  Symphyotrichum ascendens H. and M. Dearing 1948-9-12 7631 Siskiyou Panther Crk, Mt Shasta 2316 Comment
  JEPS40845  Symphyotrichum bracteolatum Geo. D. Butler 1908-8-29 289 Siskiyou L. Eastlicks Ranch Oro Fino Comment
  UC223707  Symphyotrichum bracteolatum Elmer I. Applegate 1923-9-7 3970 Siskiyou Doggett Creek 1737 Comment
  HSC30275  Symphyotrichum bracteolatum William J. Ferlatte 1971-9-18 1372 Siskiyou Big Flat near public campground 1524 Comment
  CAS-BOT-BC97890  Symphyotrichum eatonii Alice Eastwood 1917-9-2 s.n. Siskiyou Shasta Springs Comment
  JEPS16961  Symphyotrichum spathulatum Peter H. Raven 1956-9-5 10449 Siskiyou along a stream near the North Fork of the Sacramento River North Fork of the Sacramento River 2194 Comment
  UC1037395  Symphyotrichum spathulatum Douglas Barbe 1955-7-26 261 Siskiyou nw slope of Scott Mountain along a dry ditch Klamath Mountains, Scott Mountain 1828 Comment
  UC226163  Tanacetum parthenium H. E. Brown Jun 15 1897-Jun 30 1897 482 Siskiyou n side Mt. Shasta 1524 Comment
  CAS-BOT-BC376855  Taraxacum Doris K. Kildale 1929-4-27 7513 Siskiyou Cecilville Comment
  UCD107056  Taraxia tanacetifolia J. P. Smith; Steve Selva 1970-8-9 4586 Siskiyou Roadside by Grass Lake. Comment
  SD113986  Taraxia tanacetifolia Darley F. Howe 1964-8-5 3938 Siskiyou 4.4 miles south of Dorris on #97 1280 Comment
  CAS-BOT-BC81349  Taxus brevifolia John Thomas Howell 1937-7-26 13563 Siskiyou Between Big Flat and Caribou Gulch Comment
  NY17448  Taxus brevifolia I. L. Wiggins 1955-7-24 13482 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
  SBBG25354  Taxus brevifolia J. M. Tucker 1963-7-5 3706 Siskiyou lower Blake's Fork of S Russian Crk (a tributary of Salmon River), ca. 7 mi (airline) E of Sawyer's Bar, Salmon Mtns 1524 Comment
  UC455419  Taxus brevifolia I. J. Condit 1909-8-23 Siskiyou near Sisson; Castle Lake 1828 Comment
  UCD135158  Taxus brevifolia Roman Gankin; W. R. Hildreth 1967-10-27 1186 Siskiyou Near trail to Marble Mountain Wilderness Area (Yellowjacket Ridge) north of Sawyers Bar. 1402 Comment
  JEPS80528  Thalictrum fendleri var. polycarpum Gilbert Muth 1966-7-17 408 F Siskiyou trail to Lookout Marble Mt. Wilderness Area 1889 Comment
  UC1473427  Thelypodium brachycarpum Gilbert Jerome Muth 1978-8-3 6794 Siskiyou near Kangaroo Lake (close to town of Callahan); China Mt. Quad. 1951 Comment
  UC903489  Thelypodium brachycarpum Dorothy Parker 1948-6-11 Siskiyou Yreka Comment
  RSA237510  Thelypteris nevadensis Frederick W. Oettinger 1968-9-4 694 Siskiyou Shore line of Abbotts Lake. Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1723 Comment
  UCD93360  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
  UC1213789  Thlaspi montanum var. montanum Jean Langenheim 1957-5-19 4344 Siskiyou at intersection of Miner's Creek road and Tiger Creek road; intersection Miner's Creek road and Tiger Creek road Comment
  CAS-BOT-BC66792  Thysanocarpus curvipes Geo. D. Butler 1910-3-27 1147 Siskiyou Dry hill near Yreka. Comment
  POM169142  Tofieldia glutinosa subsp. occidentalis E. B. Copeland 1903-9-7 3864 Siskiyou Mt. Eddy 2439 Comment
  RSA237931  Tofieldia glutinosa subsp. occidentalis Frederick W. Oettinger 1968-8-3 371 Siskiyou Base camp, Hancock Lake. The Salmon Mountains: the high lake basins in the vicinity of English Peak, Marble Mountain Wilderness Area 2012 Comment
  UC142669  Tofieldia occidentalis subsp. occidentalis Dr. E. B. Copeland 1903-9-7 3877 Siskiyou Mt. Eddy 1828 Comment
  HSC42953  Torreyochloa pallida var. pauciflora J. O. Sawyer, Ken Stillman 1976-7-1 2779 Siskiyou Streamside terraces and lower slopes along the Little N Fork of the Salmon River. 732 Comment
  CAS-BOT-BC169252  Toxicodendron diversilobum Alice Eastwood 1921-7-31 11019 Siskiyou Shasta Springs Comment
  HSC102659  Toxicoscordion venenosum var. venenosum J. P. Smith 2009-6-1 12617 Siskiyou Road to Tenant. Comment
  HSC98395  Tragopogon porrifolius Maralyn O'Meara 1974-5-25 436 Siskiyou On Rd. 8, 2.4 mi. W of junction with Hwy. 3 1006 Comment
  CAS-BOT-BC519560  Triantha occidentalis subsp. occidentalis L. E. Smith 1913-9-1 551 Siskiyou Mt. Eddy Comment
  HSC60915  Triantha occidentalis subsp. occidentalis Al Hobart Siskiyou Black Butte Comment
  RSA460864  Trientalis latifolia M. B. Dunkle 1944-6-25 90001 Siskiyou Siskiyou National Forest. 1677 Comment
  CHSC88102  Trifolium eriocephalum subsp. eriocephalum Jenny Marr 1993-7-1 112 Siskiyou Butte Valley Wildlife Area, +/- 7 air miles NW of the town of MacDoel. Meadow NW of Meiss Lake. 1349 Comment
  JEPS93881  Trifolium eriocephalum var. eriocephalum Vernon H. Oswald and Lowell Ahart 1998-7-21 9340 Siskiyou 0.2 mi se of Old State Highway to Bray (ne of Weed and e of Grass Lake on s side of Tennant Road, and on e side of the intermittent stream draining Dry Lake); Tennant Road 1402 Comment
  UC630859  Trifolium howellii P. B. Kennedy Siskiyou Shackleford Creek Comment
  UC1025112  Trifolium kingii var. productum Douglas Barbe 1955-7-9 154 Siskiyou s shore Kangaroo Lake; Scott Mtns 1828 Comment
  UC163982  Trifolium kingii var. productum Geo. D. Butler 1910-7-9 1721 Siskiyou Marble Mtn 1828 Comment
  HSC44939  Trifolium longipes J. O. Sawyer 1978-6-20 3265 Siskiyou Marble Mtn. Wilderness Area, Hamilton Camp 1829 Comment
  HSC60772  Trifolium longipes Ruby Van Deventer 1960-7-7 Siskiyou Bell Echo Camp in Youngs Valley Comment
  JEPS82520  Trifolium longipes Gilbert Muth 1966-8-3 500 Siskiyou Marble Valley horse pasture Marble Mtn Wilderness Area 1792 Comment
  RSA582434  Trifolium longipes Louis C. Wheeler 1935-7-26 3706 Siskiyou Siskiyou mountains: Jaynes Canyon 1951 Comment
  UC1045267  Trifolium longipes subsp. elmeri W. B. Cooke 1940-6-6 15037 Siskiyou Near Castle Lake Road. 1524 Comment
  RSA237891  Trifolium longipes subsp. elmeri Unspecified 1969-7-13 1005 Siskiyou Just North of Upper English Lake. 1951 Comment
  JEPS33206  Trifolium longipes var. elmeri John Gill Lemmon 1889-6-28 Siskiyou Mt. Eddy Comment
  UC149765  Trifolium longipes var. elmeri Milo S. Baker 1899-7-1 Siskiyou Ash Creek, e slope Mt. Shasta Comment
  UC968630  Trifolium longipes var. elmeri C. L. Hitchcock and J. S. Martin 1939-7-7 5275 Siskiyou ca 13 mi s Takilma (Oregon); Sanger Peak Trail Comment
  JEPS75361  Trifolium obtusiflorum Geo. D. Butler 1909-6-20 914 Siskiyou near Yreka (McNutty's field) Comment
  HSC92947  Trifolium productum Jennifer Whipple 1977-7-22 2048 Siskiyou Dale Creek drainage on the N face of Mount Eddy 2195 Comment
  CAS-BOT-BC230884  Trifolium productum Dorothy Parker 1959-7-5 734 Siskiyou Salmon Mt. 1676 Comment
  UC631385  Trifolium variegatum var. melananthum A. A. Heller 1919-6-25 13269 Siskiyou Compton's prairie north base of Mt, Eddy 1158 Comment
  CAS-BOT-BC521555  Trillium L. R. Short 1933-5-23 135 Siskiyou Klamath Forest 914 Comment
  CAS-BOT-BC520837  Trillium albidum J. H. Thomas 1949-6-16 946 Siskiyou 1/4 miles north of Beaver Creek Public Camp, along Beaver Creel; 5 miles north of junction of Beaver Creek and Klamath River; Klamath National Forest Comment
  RSA378198  Trillium kurabayashii Anstruther Davidson 1520 Siskiyou Unspecified. Comment
  JEPS25879  Trillium ovatum Rimo Bacigalupi with L. Constance and L. Heckard 1960-7-20 7466 Siskiyou edge of Twin Valley meadows; Siskiyou Mts. 1584 Comment
  SBBG1079  Trillium ovatum D. Myrick 1961-6-21 304 Siskiyou Deer Camp Rd above Oak Knoll Ranger Station, Klamath River, 19 mi W of Hwy 99 1371 Comment
  HSC76925  Trillium ovatum subsp. oettingeri William J. Ferlatte 1983-6-29 2102 Siskiyou Near confluence of Cow Creek and McCloud River, E of Rd. 39N93 1220 Comment
  RSA234822  Trillium ovatum subsp. oettingeri Frederick W. Oettinger 1969-7-16 1035 Siskiyou West bank of Abbott Lake. Salmon Mtns. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1677 Comment
  HSC30665  Trisetum canescens Frederick W. Oettinger, R. F. Thorne 1969-8-4 1158 Siskiyou Salmon Mountains, above Halfway Spring on trail from English Lake to Diamond Lake 1829 Comment
  HSC86562  Trisetum cernuum D. K. Imper 1987-7-21 Siskiyou 8 mi. E of Somes Bar, vicinity of Haypress Meadows 1372 Comment
  CAS-BOT-BC521260  Triteleia bridgesii Volney Rattan 1879-6-1 s.n. Siskiyou Klamath River Comment
  CAS-BOT-BC524311  Triteleia ixioides subsp. anilina Alice Eastwood 1923-5-27 s. n. Siskiyou Shasta Springs Comment
  HSC69718  Tsuga mertensiana Maralyn A. Renner 1980-7-16 1795 Siskiyou Hancock Lake inlet 1951 Comment
  HSC96310  Tsuga mertensiana Gordon Leppig 1998-8-14 1032 Siskiyou Klamath National Forest, Russian Wilderness, Little Duck Lake Fen, cirque W of Little Duck Lake 2200 Comment
  UC1223744  Tsuga mertensiana J. M. Tucker 1963-7-8 3734 Siskiyou ca 1 mi n Marble Valley (e side of Black Mountain); Marble Mountain Wilderness Area, Black Mountain 1981 Comment
Read comments
Jun 25 2013
  CAS-BOT-BC80253  Tsuga mertensiana subsp. grandicona Louis C. Wheeler 1934-9-1 3237 Siskiyou Klamath Forest, Mud Springs 1889 Comment
  SEINET4854382  Tsuga mertensiana subsp. grandicona Carl B. Wolf 1934-7-5 5970 Siskiyou Siskiyou Mountains, 2.8 mi from Dry Lake Lookout on road to Horse Creek. 2134 Comment
  CAS-BOT-BC74096  Turritis glabra John Thomas Howell 1939-8-6 15088 Siskiyou Spirit Lake, Marble Mountains. 1828 Comment
  HSC36609  Typha latifolia Brent Whiteley 1975-6-24 49 Siskiyou 235 Comment
  HSC69430  Umbellularia californica John Palmer 1980-7-23 562 Siskiyou Past Elbow Springs at end of USFS Rd. 15N19 1220 Comment
  HSC67866  Uropappus lindleyi J. P. Smith 1976-5-5 8677 Siskiyou Road from Sawyers Bar to Somes Bar, just W of Sawyers Bar 671 Comment
  HSC68386  Vaccinium cespitosum Maralyn A. Renner 1980-6-26 1202 Siskiyou N edge of Flint Valley 1390 Comment
  CAS-BOT-BC199191  Vaccinium cespitosum W. R. Dudley 1899-8-15 s.n. Siskiyou In Black Fox Comment
  HSC19335  Vaccinium membranaceum J. O. Sawyer 1969-7-9 1234 Siskiyou N facing slope S of S Sugar Lake 2149 Comment
  HSC19352  Vaccinium membranaceum J. O. Sawyer 1968-7-2 360 Siskiyou Upper drainage of Joe Creek on steep N facing slopes. 1677 Comment
  POM210935  Vaccinium membranaceum L. C. Wheeler 1934-8-16 3162 Siskiyou Siskiyou Mts., Mt. Diablo Mer. Comment
  HSC68457  Vaccinium parvifolium Maralyn A. Renner 1980-7-4 1442 Siskiyou Clear Creek Trail, N of Trout Camp 1037 Comment
  CAS-BOT-BC199484  Vaccinium scoparium John Thomas Howell 1939-8-6 15109 Siskiyou Elk Mt., Marble Mts. Comment
  HSC19098  Vaccinium scoparium J. O. Sawyer 1969-8-1 1613 Siskiyou Horseshoe Lake 2073 Comment
  UC2061649  Vaccinium scoparium R. F. Thorne, Frederick W. Oettinger 1969-8-4 63373 Siskiyou Klamath National Forest, Salmon Mountains, Marble Mountain Wilderness Area, high lake basins in the vicinity of English Peak. Comment
  UC1408885  Vaccinium uliginosum subsp. occidentale F. W. Oettinger 1969-8-23 1512 Siskiyou Smith Lake, w Siskiyou County Salmon Mountains 1417 Comment
  UC163749  Valerianella locusta Geo. D. Butler 1909-5-20 729 Siskiyou near Yreka Comment
  JEPS84208  Vancouveria chrysantha L. R. Heckard with S. D'Alcamo, J. Hickman, S. Winchester 1986-7-15 6316 Siskiyou Indian Creek Rd. from Takilma to Happy Camp (just s. of state line) Comment
  HSC30490  Vancouveria hexandra Frederick W. Oettinger 1969-8-25 1552 Siskiyou Salmon Mts., Little N Fork Stream crossing along trail from the end of logging road to the Devil's Canyon trail 1220 Comment
  RSA238572  Vancouveria hexandra Frederick W. Oettinger, R. Thorne 1969-8-6 1232 Siskiyou Northwest of Pine Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1875 Comment
  CAS-BOT-BC529109  Veratrum californicum H. A. Thomas; J. H. Thomas 1954-7-24 4514 Siskiyou Salmon - Trinity Mts. Vicinity of Rush Lake and Rush Creek Meadow. About 9 miles E of Cecilville. 1981 Comment
  HSC60768  Veratrum californicum var. californicum Ruby Van Deventer 1960-7-7 Siskiyou Bell Echo Camp in Youngs Valley Comment
  HSC69439  Veratrum viride John Palmer 1980-8-13 792 Siskiyou Klamath National Forest, Dead Cow Creek near F.S. Rd. 47N44 from Beaver Creek Rd. 1616 Comment
  RSA237882  Veratrum viride Frederick W. Oettinger 1969-9-4 1647 Siskiyou Tobacco Lake. Salmon Mountains High Lake Basin in the vicinity of English Peak. Marble Mountain Wilderness Area. 1890 Comment
  RSA233701  Veronica alpina var. alterniflora Robert F. Thorne, Frederick W. Oettinger 1969-8-10 38970 Siskiyou S slope of Mt. Shasta, Panther Creek Meadows 2195 Comment
  JEPS16838  Veronica americana W. L. Jepson July, 1894 21321 Siskiyou Sisson Comment
  RSA238775  Veronica americana Frederick W. Oettinger 1969-8-21 1478 Siskiyou Ethel Lake. The Salmon Mountains. The High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. Comment
  CHSC88114  Veronica peregrina subsp. xalapensis Jenny Marr 1993-7-1 124 Siskiyou Butte Valley Wildlife Area, +/- 7 air miles NW of the town of MacDoel. Meadow NW of Meiss Lake. 1349 Comment
  HSC97143  Veronica peregrina subsp. xalapensis L. Ahart, John Dittes 2005-6-10 12059 Siskiyou Depression near dirt road, 80 yds. N of pump house along the Shasta River, 1.9 mi. S of Hwy. 99/97 Cutoff, 6 mi. ESE of Grenada 777 Comment
  UC1026906  Veronica peregrina subsp. xalapensis W. Bridge Cooke 1940-6-6 15081 A Siskiyou near the outlet of Castle Lake 1676 Comment
  UCR37837  Veronica serpyllifolia subsp. humifusa L. P. Janeway 1983-7-10 401 Siskiyou Poker Flat 1524 Comment
  RSA426507  Veronica serpyllifolia var. humifusa M. B. Dunkle 1944-7-1 9062 Siskiyou Smoky Creek, Siskiyou Nat'l Forest. 1829 Comment
  UC1223736  Veronica triphyllos Iris Coonrod 1963-4-1 Siskiyou Montague, Coonrod Ranch Montague; , Coonrod Ranch 914 Comment