Search Results — 2000 specimen records retrieved (1381 records with coordinates)
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 Please cite data retrieved from this page: Data provided by the participants of the Consortium of California Herbaria (ucjeps.berkeley.edu/consortium/).
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? Specimen ID Determination * Collector Collection Date Collection Number County Locality Elevation in meters Feedback
  HSC4983  Abies lasiocarpa J. O. Sawyer 1968-7-9 430 Siskiyou W of Little Duck Lake. 1936 Comment
  SDSU1514  Abies procera D. F. Howe 1969-9-12 4675 Siskiyou West side of Little Grayback. 1524 Comment
  CAS-BOT-BC330620  Acer circinatum Alice Eastwood 1923-7-1 1346 Siskiyou Cantara Comment
  UC54490  Acer circinatum H. M. Hall and E. B. Babcock June, 1903 4150 Siskiyou Pole Canyon Sierra Nevada Mountains, Pole Canyon (north-eastern Shasta County) 1463 Comment
  CAS-BOT-BC331023  Acer glabrum var. glabrum John Thomas Howell 1937-7-26 13554 Siskiyou Caribou Gulch Comment
  HSC44987  Acer glabrum var. torreyi J. O. Sawyer 1978-6-19 3242 Siskiyou Marble Mtn. Wilderness Area, ridges E of Shelly Lake 2165 Comment
  CAS-BOT-BC332790  Acer macrophyllum A. A. Heller 1920-8-11 13506 Siskiyou Metcalf's ranch, NE base of Mt. Eddy 1158 Comment
  UC635160  Acer macrophyllum Dorothy Tebbe 1929-7-18 7 Siskiyou Mount Eddy Comment
  CAS-BOT-BC336935  Acer negundo var. californicum Geo. D. Butler 1910-4-19 1204 Siskiyou Yreka Creek Comment
  UC166168  Acer negundo var. interior Geo. D. Butler 1910-5-22 1384 Siskiyou Yreka Creek Comment
  HSC67833  Achillea millefolium J. O. Sawyer, J. Cole 1980-7-22 3923 Siskiyou NW slopes of Cedar Mtn. 1524 Comment
  UC29235  Achillea millefolium T. H. Gilbert Jun 15 1899-Jul 15 1899 Siskiyou Scott River Valley Comment
  UCR47891  Achillea millefolium Steve Morgan 1987-7-28 s.n. Siskiyou Sierra Nevada Mtns, McGinnis Springs, 5 mi NW of McCloud, Shasta-Trinity National Forest, south of Mt. Shasta 1768 Comment
  CAS-BOT-BC18868  Achillea millefolium William Bridge Cooke 1940-7-5 15252 Siskiyou Mount Shasta, Wagon Camp Meadow 1737 Comment
  HSC4564  Achillea millefolium R. C. Wunner 1965-6-22 257 Siskiyou California Lava Beds National Monument, Canby Bay. 1220 Comment
  UCD128322  Achillea millefolium S. P. Lynch 1975-6-19 1388 -a Siskiyou 16.3 miles northeast of Happy Camp on Highway 96. Comment
  SJSU6068  Achlys triphylla subsp. triphylla R. W. Trivelpiece 1971-6-8 12 Siskiyou c. 2.5 mi S of Cecilville near Cecil Point Lookout, Salmon River Mts 1219 Comment
  UCD50458  Achnatherum lemmonii J. R. Grisham 1965-5-19 s.n. Siskiyou C. H. Haley prop., Rt. 1, Box 131-A, Yreka, Siskiyou County. Comment
  SEINET7593408 Image available Achnatherum occidentale Frederick W. Oettinger 1969-1 1352 Siskiyou Salmon Mountains, High Lake basins in the vicinity of English Peak, Marble Mountain Wilderness Area - southeast ridge of English Peak 2134 Comment
  CAS-BOT-BC210868  Achnatherum occidentale subsp. californicum Alice Eastwood 1921-7-25 10851 Siskiyou Bigelows, McCloud River Comment
  UCD51025  Achnatherum occidentale subsp. californicum R. Tofsrud 1948-8-1 s.n. Siskiyou Along road up to Panther Meadow, Mt. Shasta. 1828 Comment
  SEINET255883  Achnatherum occidentale subsp. californicum Mary E. Barkworth, L. R. Firestone 1982-8-30 4095 Siskiyou Along roadside Cal 895 to Lassen Volcanic National Park from Weed; plentiful all along road south of Weed 975 Comment
  SEINET13759128  Acmispon denticulatus R. R. Halse 2016-5-29 9718 Siskiyou Along Hilt Road, ca 2.1 miles NW of Hilt on the OR/CA state line. 876 Comment
  CDA24172  Aconitum columbianum F. D. Horn 1979-7-22 Siskiyou Duck Lake Creek, near Etna. 0 Comment
  CAS-BOT-BC391525  Aconitum columbianum subsp. columbianum Laura M. Lathrop 1903-7-17 s.n. Siskiyou Sisson Comment
  HSC69335  Aconitum columbianum subsp. columbianum John Palmer 1980-8-13 771 Siskiyou Dead Cow Creek, near USFS Rd. 47N44, Beaver Creek Rd. 1616 Comment
  RSA238290  Aconitum columbianum subsp. viviparum Frederick W. Oettinger 1967-8-17 28 Siskiyou Alder thicket along trail on SE side of Hancock Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. Comment
  POM365536  Aconitum columbianum var. columbianum Chadwick 1911-07 s.n. Siskiyou Shasta Springs. Comment
  CAS-BOT-BC412918  Aconogonon davisiae Gilbert Muth 1966-7-14 392 Siskiyou Flat above Marble Valley, Marble Gap Trail, Marble Mts. 1828 Comment
  HSC2379  Aconogonon davisiae William J. Ferlatte 1966-8-4 302 Siskiyou Dorleska summit 2134 Comment
  HSC86457  Aconogonon davisiae D. K. Imper Jun 1987 Siskiyou 8 mi. E of the town of Mt. Shasta 2134 Comment
  CHSC91539  Aconogonon phytolaccifolium G. F. Hrusa 2001-6-6 15852 Siskiyou Siskiyou Mountains. Nr. summit of pass betw. Happy Camp CA and O'Brien, Oregon, at turnoff to Bolan Lake, at Oregon border. Roadside. UTM: 10T, 4649821 N, 0456023 E. 1424 Comment
  HSC101501  Aconogonon phytolaccifolium J. P. Smith, J. O. Sawyer 2011-7-21 13030 Siskiyou Flint Valley at the end of the G-O Road. 1313 Comment
  HSC67676  Aconogonon phytolaccifolium John Palmer 1980-7-24 597 Siskiyou Klamath National Forest, Elk Hole 1503 Comment
  CAS-BOT-BC391699  Actaea rubra K. T. Stillman 1976-6-25 84 A Siskiyou Marble Mountain Wilderness Area. On N side of Elk Valley 1798 Comment
  CHSC1422  Actaea rubra V. Holt 1932-7-15 Siskiyou Castle Lake. 1981 Comment
  UC1408851  Actaea rubra Frederick W. Oettinger 1968-9-1 635 Siskiyou e. side Abbotts lake; Salmon Mts., High Lake Basins, English Peak vicinity, Marble 1722 Comment
  HSC4990  Adenocaulon bicolor J. O. Sawyer 1968-6-25 345 Siskiyou Along Horse Range Creek 1646 Comment
  RSA126296  Adiantum aleuticum I. L. Wiggins 1955-7-23 13477 Siskiyou China Creek 1098 Comment
  CDA43425  Aegilops cylindrica Dustin Johnson 2015-5-29 PDR# 470 P06027675 Siskiyou Vicinity of Montague. 0 Comment
  NY355  Agastache parvifolia A. Eastwood 1940-6-14 8266 Siskiyou Lava Beds Nat. Mon., near Schonchin Butte Comment
  UC922471  Agastache urticifolia Annie M. Alexander and Louise Kellogg 1949-7-21 5824 Siskiyou s Paradise Lake (Paradise Lake, Marble Mountains); Marble Mountains, Paradise Lake 1920 Comment
  POM69086  Agastache urticifolia Geo. D. Butler 1910-6-7 1533 Siskiyou Moffit Creek. Comment
  RSA238535  Agastache urticifolia Frederick W. Oettinger 1968-8-14 515 Siskiyou Bear Meadow between English Peak and Tom Taylor Cabin. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1997 Comment
  SD76148  Ageratina occidentalis Helen V. Witham 1969-10-6 549 Siskiyou West face, granit cliffs above Kangaroo Lake. 2100 Comment
  RSA238750  Agoseris aurantiaca Frederick W. Oettinger 1968-8-14 517 Siskiyou Bear Meadow,' mid-way, as the crow flies, between Tom Taylor Cabin and English Peak lookout. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1997 Comment
  CAS-BOT-BC21374  Agoseris aurantiaca var. aurantiaca John Thomas Howell 1939-8-4 15030 Siskiyou Between Elk Mt. and Marble Rim, Marble Mts. Comment
  UCD77307  Agoseris aurantiaca var. aurantiaca Robert E. Preston 2002-7-12 1906 Siskiyou Klamath National Forest, S slope of Rainbow Mountain, N of Trout Creek. 1712 Comment
  RSA14497  Agoseris glauca var. dasycephala Elmer I. Applegate 1923-8-19 3897 Siskiyou Medicine Lake Comment
  CHSC88372  Agoseris glauca var. monticola Jenny Marr 1993-7-1 178 Siskiyou Butte Valley Wildlife Area, +/- 7 air miles NW of the town of MacDoel. Meadow NW of Meiss Lake. 1349 Comment
  HSC103182  Agoseris monticola Dana York 2014-7-25 3220 Siskiyou Shasta-Trinity National Forest, ~460 m N-NW of Mount Eddy summit. 2585 Comment
  CHSC71512  Agropyron desertorum Vernon H. Oswald; Lowell Ahart 1998-7-21 9325 Siskiyou Hwy. 97 between Weed and Macdoel at the west end of Grass Lake. 1524 Comment
  RSA0037257  Agrostis Robert F. Thorne, Frederick W. Oettinger 1969-8-10 38979 Siskiyou Mt. Shasta National Forest: S slope of Mt. Shasta. 2316 Comment
  JEPS80662  Agrostis alba W. B. and V. G. Cooke 1977-9-20 54806 Siskiyou along dry spring creek Mt. Shasta, Little Bear Springs Comment
  CAS-BOT-BC126979  Agrostis exarata Wm. Bridge Cooke 1938-7-29 11410 Siskiyou Mount Shasta. Above Bear Springs. 1676 Comment
  CAS-BOT-BC126992  Agrostis exarata Melissa A. Berry 1957-7-8 s.n. Siskiyou South Russian Creek at Power House. 822 Comment
  HSC26540  Agrostis exarata J. P. Smith, Steve Selva 1970-7-27 4502 Siskiyou Gumboot Lake 1768 Comment
Read comments
Jun 7 2012
  HSC91587  Agrostis exarata Jennifer Whipple 1978-10-6 2426 Siskiyou Dale Creek drainage on N face of Mount Eddy. 2195 Comment
  CAS-BOT-BC139572  Agrostis gigantea W. A. Dayton 1912-7-29 172 Siskiyou Shasta Forest. Ash Creek Sink. 1188 Comment
  RSA12484  Agrostis idahoensis C. B. Wolf 1934-7-4 5953 Siskiyou 6.8 miles from Dry Lake lookout on road to Horse Creek, Siskiyou Mountains. 1829 Comment
  CAS-BOT-BC139348  Agrostis idahoensis Elmer I. Applegate 3841 Siskiyou Medicine Lake, west side. 1981 Comment
  HSC25454  Agrostis pallens J. P. Smith, J. O. Sawyer, & Maralyn O'Meara 1972-7-3 5649 Siskiyou Ridge E of Cook and Green Pass. 1524 Comment
  RSA239082  Agrostis pallens Frederick W. Oettinger 1969-8-24 5750 Siskiyou Upper English Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1753 Comment
  RSA239085  Agrostis pallens Frederick W. Oettinger 1969-9-3 1612 Siskiyou Shasta Ridge. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2073 Comment
  RSA239091  Agrostis pallens Frederick W. Oettinger, Robert F. Thorne 1969-8-5 1188 Siskiyou west side of English Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1677 Comment
  POM207335  Agrostis scabra Edward Palmer 1892-1 2665 Siskiyou near Mt. Shasta Comment
  UCD53363  Agrostis scabra A. H. Murphy 1956-8-16 56 X Siskiyou Tangle Blue Lake, Klamath National Forest. 1767 Comment
  HSC30598  Agrostis thurberiana Frederick W. Oettinger 1968-9-5 713 Siskiyou Marble Mtn. Wilderness Area, English Lake Basin, Base Camp meadow. 1936 Comment
  UC814485  Alisma plantago-aquatica Alice Eastwood 1912-7-17 1195 Siskiyou Sisson Comment
  POM109874  Allium acuminatum Geo D. Butler s.n. Siskiyou Yreka. Comment
  UC1560907  Allium bolanderi Hannah C. Aase 1940-7-6 Siskiyou 2.5 mi w Hilt Comment
Read comments
Jun 18 2011
  UCR40078  Allium falcifolium K. T. Stillman 1976-6-25 72 Siskiyou Marble Mountain Wilderness Area 1982 Comment
  CAS-BOT-BC474037  Allium parvum M. S. Taylor; J. Prouty 1980-6-25 2963 Siskiyou Grizzly Peak and western ridge. 5 mi due e of Lake McCloud 1889 Comment
  CAS-BOT-BC132143  Allium siskiyouense Philip A. Munz 1952-7-2 17898 Siskiyou Baldy Mountain about 6 air-line miles west of Happy Camp, Siskiyou Mts. 1737 Comment
  JEPS96555  Allium siskiyouense Dean W. Taylor 1997-6-11 16042 Siskiyou Moffett Creek, Scott River drainage, head Sissel Gulch 1676 Comment
  UC454416  Allium validum I. J. Condit 1909-8-25 Siskiyou Sisson, North Fork 1371 Comment
  CAS-BOT-BC171407  Alnus incana subsp. tenuifolia C. B. Wolf 1930-10-22 1752 Siskiyou 1 miles W of Mt. Shasta City 1066 Comment
  POM106426  Alnus incana subsp. tenuifolia Edward Palmer 1892-7-27 2559 Siskiyou Mount Shasta and vicinity. Comment
  CAS-BOT-BC171415  Alnus incana subsp. tenuifolia W. R. Dudley 1899-8-9 s.n. Siskiyou Below Upton Comment
  HSC4970  Alnus viridis subsp. sinuata J. O. Sawyer 1968-6-18 192 Siskiyou Above S Russian Creek on W side. 1463 Comment
  UCR143546  Alopecurus aequalis L. C. Wheeler 1934-6-26 2795 Siskiyou Siskiyou Mountains, Cottonwood Creek 838 Comment
  UC375334  Alyssum alyssoides Geo. D. Butler 1910-5-7 1304 Siskiyou Yreka Comment
  CAS-BOT-BC142870  Amelanchier alnifolia var. semiintegrifolia Gilbert Muth 1966-7-8 369 Siskiyou Marble Valley Meadow - Marble Mts. 1792 Comment
  CAS-BOT-BC26878  Amelanchier gracilis Amos Arthur Heller 1905-6-5 7970 Siskiyou Between Shasta Retreat and Shasta Springs Comment
  JEPS126019  Amelanchier pallida E. T. Doucette 2013-5-20 13 -132 Siskiyou Greenhorn Road, Yreka, 8.7 miles from business district. Comment
  RSA237653  Amelanchier pallida Frederick W. Oettinger 1969-7-18 1057 Siskiyou SW of upper English Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1951 Comment
  CAS-BOT-BC136896  Amelanchier utahensis Mrs. H. P. Bracelin 1936-5-11 839 Siskiyou Mt. Eddy, about 6 miles N.W. of Mt. Shasta City, Wagon Creek Canyon above Metcalf ranch house 1188 Comment
  CAS-BOT-BC136920  Amelanchier utahensis Doris K. Kildale 1928-8-18 6439 Siskiyou Head of North Fork of Salmon River at Finley's Upper Camp Comment
  HSC3527  Amsinckia tessellata R. C. Wunner 1965-6-22 256 Siskiyou Lava Beds National Monument, Canby Bay. 1220 Comment
  CAS-BOT-BC45204  Anaphalis margaritacea John H. Thomas; H. A. Thomas 1954-7-23 4465 Siskiyou Salmon-Trinity Mtns about 6 miles SE of Cecilville. Vicinity of Blind Horse Creek. 1036 Comment
  HSC29228  Anaphalis margaritacea Frederick W. Oettinger 1969-8-15 1382 Siskiyou High Lake Basins near English Peak, Marble Mountain Wilderness Area; N of Upper English Lake 1776 Comment
  SEINET8410930  Andersonglossum occidentale G. D. Butler 1910-6-4 1497 Siskiyou Shackleford Creek. Comment
  CAS-BOT-BC391804  Anemone deltoidea Alice Eastwood; John Thomas Howell 1937-6-26 5035 Siskiyou Salmon Mts. 5 miles sw. of Etna Comment
  HSC78210  Anemone deltoidea L. P. Janeway 1983-8-6 502 Siskiyou Poker Flat. W part of lower portion of meadow. 1529 Comment
  SBBG15606  Anemone deltoidea D. Myrick 1961-6-21 306 Siskiyou Deer Camp Rd above Oak Knoll Ranger Station, Klamath River, 19 mi W of Hwy 99 1371 Comment
  UC204818  Anemone deltoidea Annie M. Alexander and L. Kellogg 1911-6-26 191 Siskiyou Jackson L. 1798 Comment
  HSC32294  Anemone drummondii J. O. Sawyer 1971-6-30 2398 Siskiyou 1677 Comment
  JEPS80564  Anemone multifida Gilbert Muth 1965-8-6 174 Siskiyou Black Mt. Marble Mt. Wilderness Area (back side) 2054 Comment
  CAS-BOT-BC391970  Anemone occidentalis Harley P. Chandler 1901-6-1 1637 Siskiyou North Coast Ranges. Near Marble Mountain 2133 Comment
  HSC55712  Anemone occidentalis G. L. Clifton, Griswold 1979-7-26 10123 Siskiyou Near Salmon Mtn., close to the town of Forks of Salmon 2104 Comment
  HSC28741  Anemone occidentalis Frederick W. Oettinger 1968-8-4 389 Siskiyou Marble Mtn. Wilderness Area, along trail N of Crapo Peak Ridge 2195 Comment
  RSA142621  Anemone occidentalis P. A. Munz 1960-8-22 24184 Siskiyou Panther Meadows, Mount Shasta 2530 Comment
  RSA233705  Anemone occidentalis Robert F. Thorne, Frederick W. Oettinger 1969-8-10 38993 Siskiyou Mount Shasta National Forest; south slope of Mt. Shasta at base of boulders. 2378 Comment
  JEPS16076  Angelica arguta Geo. D. Butler 1908-8-3 465 Siskiyou Log Lake, Shackleford Creek hackleford Creek; Log Lake, Shackleford Creek Comment
  HSC61189  Angelica tomentosa Al Hobart 1967-8-8 Siskiyou El Capitan Comment
  HSC71964  Angelica tomentosa J. M. DiTomaso 1980-8-21 1895 Siskiyou Kidd Creek, Salmon-Trinity Alps Wilderness Area. E of Caribou Lakes 2043 Comment
  UCD127193  Angelica tomentosa J. M. Tucker; L. K. Mann 1963-7-4 3697 Siskiyou vicinity of U.S. Forest Service Public Camp, just east of Finley Camp, road from Etna to Sawyer's Bar. Comment
  UCD127195  Angelica tomentosa J. M. Tucker 1963-8-20 3787 Siskiyou around 1/2 mile northeast of the Marble Valley Guard Station, Marble Mountain Wilderness Area. 1920 Comment
  POM34161  Antennaria dimorpha Geo. D. Butler 1910-3-24 1140 Siskiyou Shasta Rim Hills Comment
  UC485661  Antennaria geyeri Katharine Brandegee Siskiyou Edgewood Comment
  UC891587  Antennaria geyeri Alice Eastwood 1912-7-15 1061 Siskiyou McCloud Comment
  POM230331  Antennaria media J. T. Howell 1937-7-24 13401 Siskiyou Caribou Basin, Salmon-Trinity Alps. 1982 Comment
  RSA211514  Antennaria media William J. Ferlatte 1967-8-20 1048 Siskiyou Caribou Basin, Sawtooth ridge, steep, north facing slope 2256 Comment
  RSA273381  Antennaria racemosa J. P. Smith, J. O. Sawyer 1972-7-3 s.n. Siskiyou Ridge east of Cook and Green Pass 1524 Comment
  POM230556  Antennaria rosea J. T. Howell 1937-7-21 13177 Siskiyou S Fork of Salmon river near Big Flat. 1524 Comment
  HSC27485  Antennaria rosea subsp. rosea J. P. Smith, J. O. Sawyer 1972-5-27 5354 Siskiyou Hwy. 3 near the Scott Mtn. Campground on divide between Scott and Trinity Rivers 1601 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
  SEINET12948030  Antirrhinum breweri G. D. Butler 1910-7-17 1569 Siskiyou Humbug Mountain. 1067 Comment
  HSC101465  Apocynum androsaemifolium J. P. Smith, J. O. Sawyer 2011-7-21 13042 Siskiyou Near Dillon Camp 1358 Comment
  JEPS80555  Apocynum androsaemifolium Gilbert Muth 1965-8-6 191 Siskiyou trail backside of Black Mt.; Marble Mt. Wilderness Area, Black Mt. 1920 Comment
  UC455929  Apocynum androsaemifolium I. J. Condit 1911-7-14 Siskiyou Shasta Retreat Comment
  JEPS24019  Apocynum androsaemifolium Rimo Bacigalupi with Drs. Reino and Aloha Alava 1958-9-3 6880 Siskiyou 16 mi above and nw Happy Camp (Happy Camp - Takilma road, in drainage of Indian Creek); Siskiyou Mts., drainage of Indian Creek 1097 Comment
  POM130457  Apocynum androsaemifolium subsp. pumilum E. B. Copeland 1903-7-7 s.n. Siskiyou Hornbrook Comment
  CAS-BOT-BC392018  Aquilegia Alice Eastwood 1922-10-18 11538 Siskiyou Shasta Springs Comment
  CAS-BOT-BC394983  Aquilegia formosa H. A. Thomas; J. H. Thomas 1954-7-23 4476 Siskiyou Salmon - Trinity Mts, about 6 miles SE of Cecilville, vicinity of Blind Horse Creek 1036 Comment
  UCD95560  Aquilegia formosa J. M. Tucker; D. V. Hemphill 1974-7-26 4288 Siskiyou Let 'Er Buck Meadows, 0.5 mile southeast of Haypress Meadows, Marble Mountain Wilderness Area. 1432 Comment
  CHSC1431  Aquilegia formosa var. truncata K. Jaekel 1939-6-30 Siskiyou Mt. Shasta 1219 Comment
  HSC44591  Aquilegia formosa var. truncata Laura Witherspoon 1977-6-30 Siskiyou Dillon Camp 1494 Comment
  CDA24645  Arabis breweri Don Shaw, F. D. Horn 1978-3-1 Siskiyou Shasta River Canyon, Yreka. 0 Comment
  RSA0125752  Arabis glabra C. B. Wolf 1934-7-6 6004 Siskiyou 4.7 miles from Mt. Shasta City on Wagon Camp Road, SW slope of Mt. Shasta Comment
  RSA0125769  Arabis glabra S. O. Mattoon, Ken Hansen 1978-6-17 30 Siskiyou Old Hwy 99E; 5 miles S of I-5 at Siskiyou Summit. 1220 Comment
  HSC90271  Arabis modesta D. L. Goforth 1980-6-26 643 Siskiyou Salmon River at Tripp Creek 351 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
  HSC90274  Arabis oregana D. L. Goforth 1980-6-27 645 Siskiyou Scott River, S of Deep Creek 732 Comment
  HSC67751  Arabis platysperma J. O. Sawyer, J. Cole 1980-7-21 3888 Siskiyou Near Haight Mtn. along USFS Rd. running S-SW 1939 Comment
  RSA237312  Arabis platysperma Frederick W. Oettinger 1967-8-13 261 Siskiyou Southeast of Tom Taylor Cabin and about 50 yards from cabin. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2043 Comment
  HSC44491  Arabis subpinnatifida K. Irwin 1977-5-21 378 Siskiyou Hayden, 1 mi. W of Scott Mtn., E of Rd. 40N08 Comment
  HSC29176  Arabis suffrutescens Frederick W. Oettinger 1968-8-16 540 Siskiyou Marble Mtn. Wilderness Area, W side of Red Hill N of Hancock Lake 2058 Comment
  CAS-BOT-BC407724  Arceuthobium abietinum W. R. Dudley s.n. Siskiyou side of Black Butte Comment
  UC163800  Arceuthobium americanum Geo. D. Butler 1908-7-19 1070 Siskiyou Henley Comment
  CDA22358  Arceuthobium campylopodum R. L. Mathiasen 2005-3-12 531 Siskiyou 0.8 km north of Highway 89 on Forest Road 88 (road to Mt. Shasta Ski Park). Shasta-Trinity National Forest. 0 Comment
  CHSC75764  Arceuthobium campylopodum Vernon H. Oswald; Lowell Ahart 1999-7-5 9816 Siskiyou Hwy. 3 4.0 mi southeast of Gazelle-Callahan Hwy. 1365 Comment
  JEPS40134  Arceuthobium campylopodum W. L. Jepson July 1894 Siskiyou Sisson Comment
  CAS-BOT-BC407794  Arceuthobium campylopodum L. E. Smith 1912-8-1 s.n. Siskiyou near Weed Comment
  SEINET3831773  Arceuthobium cyanocarpum R. L. Mathiasen 2012-1 1280 Siskiyou 2 km N of Park Creek Divide on FR. 17; On pinus monticola DOugl. ex D. Don 1990 Comment
  UC1733831  Arctostaphylos Frank Gould 1940-5-15 1245 Siskiyou Bull Meadows; Goosenest Mountain 1828 Comment
  CDA15575  Arctostaphylos nevadensis G. F. Hrusa 1998-7-5 14683 Siskiyou Siskiyou Mountains; S side of pass on Happy Camp-O'Brien Rd. Calif. side of State Boundary, above Indian Ck. Camp. Comment
  HSC18958  Arctostaphylos nevadensis G. L. Clifton, Griswold 1979-6-28 6123 Siskiyou Near Upper Devils Peak, close to the town of Seiad Valley 1738 Comment
  JEPS74506  Arctostaphylos nevadensis W. J. Ferlatte 1966-6-22 71 Siskiyou Josephine Lake basin Trinity Alps 1676 Comment
  UC83022  Arctostaphylos nevadensis Dr. E. B. Copeland 1903-7-14 3520 Siskiyou Klamathon Comment
  CAS-BOT-BC46454  Arctostaphylos patula C. Hart Merriam 1919-9-23 s.n. Siskiyou Weed. Comment
  CAS-BOT-BC46472  Arctostaphylos patula W. R. Dudley 1901-8-18 s.n. Siskiyou Jackson's Lake, Salmon Mts. Comment
  CAS-BOT-BC46499  Arctostaphylos patula Alice Eastwood 1923-5-23 11907 Siskiyou Near Cantara. Comment
  HSC91294  Arctostaphylos patula Jennifer Whipple 1976-7-1 1223 Siskiyou Wagon Creek drainage on E face of Mount Eddy 2226 Comment
  LA42230  Arctostaphylos patula Mrs. H. P. Bracelin; 1931-6-19 425 Siskiyou Up the N side of Mt. Eddy from Metcalf's ranch house 1539 Comment
  RSA238577  Arctostaphylos patula Frederick W. Oettinger 1968-9-8 778 Siskiyou Just due N. of English Lake outlet. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1753 Comment
  UC674758  Arctostaphylos patula C. Hart Merriam and V. B. 1899-10-6 Siskiyou Sisson Comment
  UC796519  Arctostaphylos patula Roxana S. Ferris and Laura Lorraine Jun 12 1948-Jun 16 1948 11771 Siskiyou on Forks of Salmon Rd about 6 mi from Etna 1706 Comment
  CAS-BOT-BC46957  Arctostaphylos viscida subsp. viscida Doris K. Kildale 1929-5-11 7711 Siskiyou Cecilville, upper s. Fork of Salmon River. Comment
  UC1586857  Arenaria congesta Juha Pykala and D. H. Norris 1987-6-26 2064 Siskiyou above Bear Creek (0-3 km below Bear Lake); Marble Mountain Wilderness Area, Bear Lake Comment
  HSC60848  Arenaria serpyllifolia Ruby Van Deventer 1960-7-7 Siskiyou Bell Echo Camp in Youngs Valley. Bell Echo Meadow. 1524 Comment
  RSA423698  Arenaria serpyllifolia L. C. Wheeler 1934-6-3 2623 Siskiyou Cherry Flat, Klamath River; Siskiyou Mts. 518 Comment
  UC796528  Arenaria serpyllifolia subsp. serpyllifolia Roxana S. Ferris and Laura Lorraine Jun 12 1948-Jun 16 1948 11721 Siskiyou w Callahan (French Creek Loggin Road) 1066 Comment
  RSA238803  Arnica amplexicaulis Frederick W. Oettinger 1968-9-1 648 Siskiyou SSW of Abbotts Lake, adjacent to Red Fir Forest. Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1799 Comment
  CAS-BOT-BC82251  Arnica chamissonis Roxana S. Ferris; Laura Lorraine 1941-8-11 10499 Siskiyou Grass Lake Station, on U.S. Highway 97 1554 Comment
  CAS-BOT-BC295873  Arnica dealbata A. A. Heller 1922-7-15 13692 Siskiyou Unspecified 2133 Comment
  OBI55449  Arnica discoidea David J. Keil 1992-7-20 23507 Siskiyou Klamath Natl Foerst, SW of Fort Jones. Along forest rd 46N64, 4.8 mi W of Scott River Rd 800 Comment
  HSC29105  Arnica diversifolia Frederick W. Oettinger 1969-8-9 1441 Siskiyou High Lake Basins near English Peak, Marble Mountain Wilderness Area; 1/2 mile NNE of English Peak and within English Lake Basin 1951 Comment
  UC1540193  Arnica lanceolata subsp. prima Dean W. Taylor 1987-6-26 9062 Siskiyou 2 mi se Medicine Lake; Paynes Springs 1996 Comment
  HSC22199  Arnica latifolia J. O. Sawyer 1968-7-2 353 Siskiyou Upper drainage of Joe Creek on steep N facing slopes. 1677 Comment
  RSA238805  Arnica latifolia Frederick W. Oettinger 1968-8-10 460 Siskiyou Old trail along rock slide between Diamond Lake and Hancock Lake. Salmon Mtns. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1974 Comment
  UC76028  Arnica longifolia Milo S. Baker 1899-7-31 Siskiyou e slope, (on Oak Creek) Mt. Shasta; , Oak Creek Comment
  RSA238811  Arnica nevadensis Frederick W. Oettinger 1969-8-6 1221 Siskiyou South side of Pine Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1951 Comment
  JEPS82425  Arnica ovata Gilbert Muth 1966-7-31 476 Siskiyou Black Mt. (n side of) Black Mt., Marble Mt. Wilderness Area 2057 Comment
  CAS-BOT-BC85047  Arnica spathulata Volney Rattan 1903-1-1 s.n. Siskiyou Siskiyou Mts. Comment
  CAS-BOT-BC90086  Arnica viscosa W. B. Cooke 1947-8-20 17828 Siskiyou slopes near the water supply spring above Horse Camp, Mt. Shasta 2514 Comment
  CAS-BOT-BC85022  Artemisia arbuscula subsp. arbuscula Louis C. Wheeler 1934-8-26 3226 Siskiyou Trapper Creek, Siskiyou Mts., Mt. Diablo Mer. 1981 Comment
  UCD129192  Artemisia arbuscula subsp. longiloba Alfred H. Murphy 1961-7-19 61 B Siskiyou Marble Mtns. Klamath National Forest, ridge above Shadow Lake. 1950 Comment
  HSC76860  Artemisia arbuscula subsp. thermopola K. T. Stillman 1976-9-9 483 Siskiyou Marble Mountain Wilderness Area; jump off point, trail to Box Camp 1951 Comment
  JEPS106483  Artemisia douglasiana J. K. Nelson 2004-8-29 2004 -95 Siskiyou S side Mount Shasta, at unnamed springs W of Mud Creek Dam, along Road 31 1584 Comment
  RSA127616  Artemisia tridentata subsp. tridentata George H. Ward 1949-7-14 828 Siskiyou Stony, sandy soil, ca. 15 mi. NE of Weed Comment
  RSA238012  Asarum caudatum Frederick W. Oettinger, R. F. Thorne 1969-8-6 1248 Siskiyou Pine Lake Basin. Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1829 Comment
  RSA238015  Asarum caudatum Frederick W. Oettinger 1968-8-14 510 Siskiyou In deep shade of alder thicket approx 100 yards down stream from Tom Taylor Cabin Spring. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2012 Comment
  SEINET191627  Asclepias cordifolia Marion Ownbey, D. H. Brown 1941-6-22 2423 Siskiyou West of Craggy Mountain, northwest of Yreka. Comment
  SEINET10928327  Asclepias cordifolia A. Arthur Heller 1916-6-23 Heller 12420 Siskiyou Open places in the yellow pine belt in coarse sandy soil near Black Butte north of Sisson, The prevalent undershrubs are Ceanothus and Uva-ursi 1128 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
  HSC65314  Asclepias speciosa J. P. Smith, Steve Selva 1970-7-15 4362 Siskiyou Baldy Mtn. Lookout Station 1723 Comment
  CAS-BOT-BC376178  Aspidotis densa Andrew Townesmith; Karen M. Meyer 2007-8-1 885 Siskiyou Shasta-Trinity National Forest. 11.7 miles up Stewart Springs road/Forest Service road 17 (distance from intersection of Stewart Springs and Old 99 Highway) 1983 Comment
  HSC46337  Aspidotis densa J. P. Smith 1973-5-5 6429 Siskiyou Along Cook and Green Pass Rd. Comment
  HSC71077  Aspidotis densa M. A. Baker 1980-6-20 2198 Siskiyou Near Bald Mtn. 1036 Comment
  UC1190384  Aspidotis densa Ira L. Wiggins 1955-7-27 13533 Siskiyou Caribou Lake; Salmon-Trinity Alps Primitive Area 2042 Comment
  UC399496  Aspidotis densa Geo. D. Butler 1910-6-4 1494 Siskiyou Shackleford Creek Comment
  CDA42728  Aspidotis densa D. Janssen & F. D. Horn 1978-6-5 s.n. Siskiyou Summit of Indian Creek to O Brien Road, near Happy Camp. 0 Comment
  UC907513  Aspidotis densa Lee Bonar 1949-4-21 Siskiyou near summit Scott Mt (along Siskiyou Co line) Comment
  CDA10253  Aster frondosus E. Hale 1985-9-9 Siskiyou 2 miles south of Highway 97 on State Line Road, northeast of Dorris. 0 Comment
  CAS-BOT-BC178820  Astragalus californicus Geo. D. Butler 1910-5-5 1284 Siskiyou Humbug Mountain Comment
  UC144161  Astragalus californicus A. A. Heller 1905-6-22 8082 Siskiyou between Igerna and Weed; between Igerna and Weed Comment
  CHSC110544  Astragalus californicus Julie Kierstead Nelson; Rhonda Posey, Peter Zika, Talitha Derksen 2012-6-21 2012 -057 Siskiyou South Fork Willow Creek, foothills of N side Scott Mountain. Rd 42N19 Sec. 30; ca 1 mi. S of Gazelle-Callahan Hwy. 1158 Comment
  CAS-BOT-BC177863  Astragalus curvicarpus var. curvicarpus Wm. Bridge Cooke 1940-6-4 15013 Siskiyou Along the Bolam Road Comment
  NY658496  Astragalus filipes J. W. Thompson 1936-7-9 13167 Siskiyou Lava Beds National Monument Comment
  JEPS107669  Astragalus gambelianus Lowell Ahart, John Dittes 2005-6-9 12013 Siskiyou Pasture field, on the east side of a poor rock fence, about 300 yards east of where cattle water in the Shasta River, about 3/5 mile (air) south of Highway 99/97 Cutoff, about 2 1/2 miles (air) east-southeast of Grenada 774 Comment
  UCD105213  Astragalus purshii Wm. E. Moon 1958-5-29 s.n. Siskiyou Along State Hwy. 97, southwest of Hebron Summit. 1524 Comment
  UC1090388  Astragalus purshii var. tinctus Milo S. Baker 1957-6-16 13168 Siskiyou trip to Scott Mt. after turn off near Callahan; near Callahan Comment
  UC69534 Image available Astragalus purshii var. tinctus T. H. Gilbert Jun 15 1899-Jul 15 1899 Siskiyou Scott River Valley Comment
  RSA110924  Astragalus purshii var. tinctus R. C. Barneby 1954-5-16 11515 Siskiyou Scott Road, 10.5 miles below Fort Jones 1006 Comment
  CAS-BOT-BC198706  Astragalus whitneyi var. siskiyouensis A. A. Heller 1916-7-22 12487 Siskiyou East side of Mt. Eddy Comment
  CAS-BOT-BC198711  Astragalus whitneyi var. siskiyouensis Peter H. Raven 1956-9-4 10386 Siskiyou Ridge south of Mount Eddy 2286 Comment
  JEPS95304  Astragalus whitneyi var. siskiyouensis Vernon H. Oswald and L. Ahart 1994-7-11 6398 Siskiyou T39N R6W NE1/4 Sec. 26, 6320 ft, Red Fir Forest. Forest Rd. 26 (to Mt. Shasta) 0.6 mi N of Gumboot Trailhead on the Pacific Crest Trail, W of Dunsmuir 1926 Comment
  CHSC32932  Asyneuma prenanthoides J. P. Smith; Steve Selva 1970-6-15 3899 Siskiyou Oak Bottom Campground near Somes Bar. 228 Comment
  HSC65311  Asyneuma prenanthoides J. P. Smith, Steve Selva 1970-7-15 4340 Siskiyou Klamath National Forest, road to Happy Camp. 732 Comment
  CAS-BOT-BC69537  Athyrium alpestre subsp. americanum C. G. Pringle 1882-9-1 s.n. Siskiyou Mt. Shasta. Comment
  JEPS97805  Athyrium distentifolium R. Raiche and S. Winchester 1988-7-24 80265 Siskiyou above Upper Cliff lake; S Fork Sacramento R., Cedar Lake area Comment
  HSC22116  Athyrium distentifolium var. americanum J. O. Sawyer 1969-7-24 1474 Siskiyou NE facing seep SW of Sugar Lake 1890 Comment
  UC371154  Athyrium distentifolium var. americanum G. D. Butler 1909-7-15 876 Siskiyou Highland Mine Comment
  UC71340  Athyrium filix-femina var. cyclosorum unknown Siskiyou near Mt Shasta Comment
  CAS-BOT-BC66183  Athyrium filix-femina var. cyclosorum W. B. C. 1940-8-5 15407 Siskiyou in the Wagon Camp spring area 1737 Comment
  CAS-BOT-BC66185  Athyrium filix-femina var. cyclosorum W. B. C. 1939-7-21 13700 Siskiyou outlet of the Municipal Spring above Howard 1280 Comment
  UC673287  Athysanus pusillus Lincoln Constance, Reed C. Rollins 1942-5-13 2916 Siskiyou Scott River 10 mi sw of Scott Bar; Klamath-Siskiyou Region, Scott River 609 Comment
  HSC4340  Atriplex prostrata L. C. Wheeler 1934-10-21 3331 Siskiyou Shasta Valley 4 mi. E of Grenada 869 Comment
  POM210920  Atriplex subspicata L. C. Wheeler 1934-10-21 331 Siskiyou Shasta Valley 4 mi E Grenada 869 Comment
  RSA210848  Atriplex truncata R. F. Thorne, J. Henrickson, C. W. Tilforth 1969-9-3 39039 Siskiyou 2 miles W of Lower Klamath National Wildlife Refuge 1296 Comment
  HSC9016  Avena fatua R. C. Wunner 1965-7-21 405 Siskiyou Lava Beds National Monument, near Captain Jacks Stronghold Comment
  HSC96813  Balsamorhiza deltoidea S. Lyon, J. McIntire 2006-6-25 29 Siskiyou 200 ft. W of intersection of FS 39N14 and 39N04 1616 Comment
  UC1577645  Balsamorhiza lanata W. T. Mooney Apr 1903 Siskiyou Yreka Comment
  POM36318  Balsamorhiza terebinthacea Geo. D. Butler 1910-5-11 1337 Siskiyou Shasta Valley Comment
  SEINET182272  Beckmannia syzigachne L. C. Wheeler 1935-6-27 3621 Siskiyou Greenview Scott Valley 884 Comment
  UC165953  Berberis aquifolium var. dictyota Geo. D. Butler 1909-4-22 591 Siskiyou along creek near Yreka Comment
  HSC5006  Berberis aquifolium var. repens J. O. Sawyer 1968-9-9 647 Siskiyou Ridges S of Cyclone Gap 1738 Comment
  HSC3350  Berberis nervosa Geo. D. Butler 1908-8-22 540 Siskiyou Eldredge's Corral, Russian Creek Comment
  CAS-BOT-BC75932  Berberis piperiana Roxana S. Ferris; Laura Lorraine 1948-6-12 11814 Siskiyou At Mule Creek crossing of Scott Mountain Road. 1524 Comment
  CAS-BOT-BC75939  Berberis piperiana W. R. Dudley 1901-8-16 s.n. Siskiyou Willow Creek Grade near summit, west of Gazelle. Comment
  CAS-BOT-BC169475  Betula occidentalis A. A. Heller 1918-7-16 13036 Siskiyou Mt. Eddy, W of Sisson, on open southeastern gravelly and stony slope 1524 Comment
  UC1045287  Betula occidentalis W. Bridge Cooke 1940-7-12 15328 Siskiyou swamp near Mt. Shasta High School Comment
  UC726782  Betula occidentalis A. A. Heller 1918-7-16 13036 Siskiyou Mt. Eddy 1524 Comment
  JEPS24810  Bidens cernua Rimo Bacigalupi with Drs. Reino and Aloha Alava 1958-9-2 6819 Siskiyou 7 mi e Callahan 1127 Comment
  HSC77073  Bistorta bistortoides K. T. Stillman 1976-6-26 120 Siskiyou Marble Mtn. Wilderness Area, near Bear Lake. 1829 Comment
  CAS-BOT-BC127934  Blepharipappus scaber Geo. D. Butler 1910-5-17 1355 Siskiyou Yreka Comment
  CAS-BOT-BC127943  Blepharipappus scaber W. R. Dudley 1899-8-22 s.n. Siskiyou Slopes of Craggy Mt. Comment
  HSC72367  Blepharipappus scaber J. P. Smith, J. O. Sawyer, Jane Sawyer, Kevin Sawyer 1976-9-5 8975 Siskiyou Hwy. 3, 4 mi. N of Siskyou-Trinity Co. line Comment
  POM261245  Blepharipappus scaber H. C. Cantelow 1936-5-21 s.n. Siskiyou 12 miles from Etna on road to Callahan. Comment
  POM53772  Blepharipappus scaber E. B. Copeland 1903-7-3 3524 Siskiyou Klamathon. Comment
  SEINET5340096  Boechera breweri subsp. shastaensis G. Butler 1910-5-21 1379 Siskiyou Klamath River rock crevices. Comment
  JEPS84108  Boechera divaricarpa L. R. Heckard with J. Hickman et al. 1986-7-17 6549 Siskiyou ca 1 mi ne Buckhorn 2100 Comment
  CAS-BOT-BC13815  Boechera howellii John Thomas Howell 1937-7-25 13444 Siskiyou Caribou Basin, Salmon-Trinity Alps. 2286 Comment
  CAS-BOT-BC13813  Boechera howellii John Thomas Howell 1937-7-26 13538 Siskiyou Caribou Mountain. 2438 Comment
  CAS-BOT-BC14409  Boechera platysperma S. K. Harris; C. C. Harris 1939-8-29 6039 Siskiyou Marble Mountain Primitive Area. Half Moon Meadow. 1676 Comment
  CAS-BOT-BC65366  Boechera platysperma R. C. Wenk 2008-7-23 906 Siskiyou SW side of Mount Shasta, below Panther Meadow. 2269 Comment
  CAS-BOT-BC25417  Boechera retrofracta John Thomas Howell 1937-7-21 13203 Siskiyou South Fork of Salmon River near Big Flat. 1524 Comment
  CAS-BOT-BC25429  Boechera retrofracta J. H. Thomas 1954-5-13 4131 Siskiyou Klamath National Forest. Salmon Mountains. Near South Fork of Salmon River, 5 to 9 miles southeast of Cecilville. 1066 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
  UC1409353  Boechera suffrutescens Frederick W. Oettinger 1968-8-16 540 Siskiyou n of Hancock Lake (w side of Red Hill, vicinity of English Peak); Salmon Mountains, Marble Mountain Wilderness Area, English P 2057 Comment
  POM46111  Boisduvalia densiflora var. densiflora Geo. D. Butler 1910-6-29 1614 Siskiyou Yreka Creek Comment
  HSC46107  Boschniakia strobilacea J. P. Smith 1973-5-5 6464 Siskiyou Along Cook and Green Pass Rd. Comment
  CAS-BOT-BC418461  Boykinia major Wayne Roderick 1967-7-23 s.n. Siskiyou Horse Tail Falls on road to Cook & Green Pass, N of Seiad Valley. 304 Comment
  HSC60813  Boykinia major Ruby Van Deventer 1962-8-15 Siskiyou Bell Echo Camp in Youngs Valley 1220 Comment
  RSA105405  Boykinia major G. D. Barbe 1955-7-4 093 Siskiyou 11 miles S of Etna on the N Fork of French Creek. About 1000 ft from Parrot Mill Rd. 976 Comment
  SEINET5707333 Image available Brickellia greenei Lowell E. Urbatsch, Vesna Karaman, Castro 2000-1 7693 Siskiyou Scott Mts. Collected along Road 17, 8.8 mi. SW from the intersection of I-5 and Stewart Spring Rd.; Scott Mountains 1586 Comment
  CAS-BOT-BC127714  Brickellia greenei L. E. Smith 1915-7-1 s.n. Siskiyou Castella Comment
  CAS-BOT-BC144104  Bromus Gilbert Muth 1966-7-22 434 Siskiyou Marble Mountains. Meadow below Marble Rim. 2011 Comment
  CAS-BOT-BC149057  Bromus carinatus var. carinatus Geo. D. Butler 1909-6-22 842 Siskiyou Goosenest Foothills. Comment
  CAS-BOT-BC148790  Bromus carinatus var. marginatus M. B. Dunkle 1945-7-8 9214 Siskiyou Klamath Forest. Black Marble Mountain shoulder. 2133 Comment
  UCD59194  Bromus carinatus var. marginatus Geo. D. Butler 1909-6-13 832 Siskiyou Moffett Creek. Comment
  POM211399  Bromus commutatus L. C. Wheeler 1934-6-22 2748 Siskiyou Siskiyou Mts., Cottonwood Creek. 915 Comment
  HSC36799  Bromus hordeaceus J. P. Smith 1974-5-27 7626 Siskiyou Along FS Rd. 47N03 1280 Comment
  LA13775  Bromus hordeaceus Jason Swallen; 1939-6-23 13525 Siskiyou Mount Shasta, Along the road between Bear Springs and Wagon Camp 1676 Comment
  CHSC71513  Bromus japonicus Vernon H. Oswald; Lowell Ahart 1998-7-21 9326 Siskiyou Hwy. 97 between Weed and Macdoel at the west end of Grass Lake. Along the edge of a meadow. 1524 Comment
  CAS-BOT-BC162133  Bromus orcuttianus H. A. Thomas; J. H. Thomas 1954-7-21 4432 Siskiyou Salmon-Trinity Mountains. About 6 miles southeast of Cecilville. West side of Rush Creek. 1219 Comment
  HSC30540  Bromus orcuttianus Frederick W. Oettinger 1968-9-2 664 Siskiyou Marble Mountain Wilderness Area, on the SW side of Upper English Lake 1869 Comment
  UC164917  Bromus orcuttianus Geo. D. Butler 1908-7-20 469 Siskiyou Humbug Creek Comment
  CAS-BOT-BC161409  Bromus tectorum William Bridge Cooke 1938-7-1 11159 Siskiyou Above Bear Spring near the Bear Spring-Wagon Camp Road. 1676 Comment
  HSC65420  Bromus tectorum J. P. Smith 1973-5-5 6548 Siskiyou Scott Bar along the Scott River Comment
  HSC31068  Calamagrostis breweri Frederick W. Oettinger 1969-9-3 1613 Siskiyou Salmon Mountains, Shasta Ridge, N slope of English Peak 2073 Comment
  SEINET10520765  Calamagrostis canadensis Louis C. Wheeler 1935-7-26 Wheeler 3716 Siskiyou Wet sunny meadow. Jaynes Canyon, Siskiyou Mts. T47N R10W S12. Mt. Diablo Mer. 1951 Comment
  HSC30641  Calamagrostis koelerioides Frederick W. Oettinger 1968-9-7 772 Siskiyou Marble Mtn. Wilderness Area, NW slope above Tobacco Lake 2012 Comment
  RSA22159  Calamagrostis koelerioides J. T. Howell 1937-7-25 13451 Siskiyou Caribou Basin, Salmon-Trinity Alps. 1982 Comment
  CAS-BOT-BC112319  Calliscirpus criniger Peter H. Raven 1956-8-4 10383 Siskiyou Ridge S of Mt Eddy. 2286 Comment
  RSA184686  Calocedrus decurrens Gilbert Muth 1966-8-3 495 Siskiyou Marble Valley Meadow, Marble Mtns. 1793 Comment
  RSA352871  Calocedrus decurrens B. C. Templeton 1969-9-5 11425 Siskiyou About 2 miles northwest of the town of Mt. Shasta 1090 Comment
  LA6441  Calocedrus decurrens Wm. Bridge Cooke; 1939-7-28 13786 Siskiyou Mount Shasta, along the Sisson Southern Trail 1676 Comment
  CAS-BOT-BC487851  Calochortus coeruleus W. B. Cooke; V. G. Cooke 1946-6-17 17525 Siskiyou Along road below Wagon Camp, Mt. Shasta 1737 Comment
  UC1478044  Calochortus longebarbatus var. longebarbatus Jeff Prouty and Heinitz 1980-7-9 1129 Siskiyou 2 mi nw Pondosa; Shasta-Trinity National Forest, Tom Young Flat 1280 Comment
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Apr 18 2012
  CHSC2237  Calochortus macrocarpus V. Holt 1932-7-11 Siskiyou Haystack Butte. Comment
  HSC44997  Calochortus nudus J. P. Smith, Steve Selva 1970-7-17 4463 Siskiyou Below Kangaroo Lake. 1890 Comment
  UC1618317  Calochortus nudus Barbara Ertter with Julie Kierstead and Jim Nelson 1990-7-15 9367 Siskiyou ca 1 mi e Toad Lake (at head of Middle Fork Sacramento River, ca 8 air mi w of Mt Shasta City); Middle Fork Sacramento River 1981 Comment
  CAS-BOT-BC94452  Calochortus nudus R. C. Wenk 2005-7-18 304 Siskiyou Scott Mountains, border between Trinity and Siskiyou Counties, along Highway 3, Scott Mountain Campground 1650 Comment
  HSC75123  Calochortus nudus J. P. Smith, Thomas W. Nelson 1979-6-16 10143 Siskiyou Klamath National Forest, along FS Rd. 40N03, 0.3 mi. from its junction with Hwy. 3, 2.72 mi. from county line 1463 Comment
  HSC44915  Calochortus tolmiei J. P. Smith 1973-5-5 6483 Siskiyou Along Cook and Green Pass Rd. Comment
  HSC65411  Calochortus tolmiei Rich White 1978-7-3 209 Siskiyou Saddle in Spur Ridge between Dillon Trail and 5759 1662 Comment
  CAS-BOT-BC132628  Calochortus uniflorus W. R. Dudley 1899-8-26 s.n. Siskiyou Upper Sacramento Comment
  CAS-BOT-BC181504  Caltha leptosepala Doris K. Kildale 1928-8-19 6546 Siskiyou Hancock Lake on trail to Marble Mountain 2133 Comment
  CAS-BOT-BC273390  Calycadenia fremontii David D. Keck 1946-7-14 5693 Siskiyou Klamath River, 2 mi. N. of Somes Bar 213 Comment
  CAS-BOT-BC272745  Calycadenia truncata subsp. truncata Louis C. Wheeler 1934-6-26 2787 Siskiyou Camp Lowe, Klamath River, Siskiyou Mts. 762 Comment
  UC635369  Calyptridium monospermum D. Tebbe 1929-6-7 154 Siskiyou Mount Eddy Comment
  HSC67818  Calyptridium umbellatum J. O. Sawyer, J. Cole 1980-7-20 3779 Siskiyou S of Grouse Hill, at N base of Badger Peak 2146 Comment
  UCD100481  Calyptridium umbellatum John M. Tucker; L. K. Mann 1963-7-7 3726 Siskiyou in vicinity of Paradise Lake, at bast of Kings Castle on the east side, Marble Mountain Wilderness Area. 1981 Comment
  HSC646  Calystegia malacophylla William J. Ferlatte Jul 1967 616 Siskiyou Along the Yellow Rose Mine Trail 1677 Comment
  CAS-BOT-BC221254  Calystegia malacophylla subsp. malacophylla A. A. Heller 1916-7-20 12471 Siskiyou Near Wagon Creek Falls, east side of Mt. Eddy 1524 Comment
  JEPS84334  Calystegia occidentalis subsp. occidentalis L. R. Heckard with S. D'Alcamo, J. Hickman, S. Winchester 1986-7-16 6411 Siskiyou ca 5 mi n of the town Seiad Valley (Cirque at head of Hell's Canyon); Cirque at head Hell's Canyon, n of Seiad Valley 1750 Comment
  CAS-BOT-BC497300  Camassia leichtlinii var. suksdorfii Elmer I. Applegate 1898-5-14 2123 Siskiyou At Shovel Creek Hot Springs on Klamath River 853 Comment
  POM109509  Camassia quamash subsp. breviflora Geo D. Butler 1909-6-22 891 Siskiyou Goose nest meadows 1524 Comment
  JEPS53276  Camelina microcarpa Geo. D. Butler 1909-4-20 622 Siskiyou near Yreka Comment
  CAS-BOT-BC36991  Camelina microcarpa L. E. Smith 1913-6-12 351 Siskiyou Sisson. Comment
  SEINET10462934  Campanula prenanthoides Clifton 1979-6-26 CLIFTON 5998 Siskiyou NR MCNEAL CR., SALMON MT QUAD., NR FORKS OF SALMON 2402', CLIFF OR BLUFF, BOULDERS Comment
  UC131864  Campanula prenanthoides H. E. Brown Jul 15 1897-Jul 31 1897 527 Siskiyou s side Mt. Shasta 1524 Comment
  UC61038  Campanula prenanthoides W. A. Setchell, C. C. Dobie 1902-7-22 Siskiyou The Bend Mount Shasta, McCloud River Comment
  POM299525  Campanula prenanthoides Marion Ownbey, Fred G. Meyer 1940-7-4 2171 Siskiyou Siskiyou Mts. Northwest of Hornbrook. Comment
  RSA758220  Campanula prenanthoides R. F. Thorne 1969-8-2 63327 Siskiyou Klamath National Forest, Salmon Mountains, Marble Mountain Wilderness Area, high lake basins in the vicinity of English Peak Comment
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Jul 26 2017
  SEINET10462907  Campanula prenanthoides Davy 1899-6-27 DAVY 5889 Siskiyou WEITCHPEC, ON BANKS OF KLAMATH R. Comment
  SEINET10463108  Campanula prenanthoides Kelsey Kelsey s.n. Siskiyou MARBLE MTNS, SKYHIGH LAKE Comment
  SEINET10463249  Campanula prenanthoides Thomas 1954-7-21 Thomas 4384 Siskiyou SALMON-TRINITY MTS CA 6 MI SE OF CECILVILLE, W SIDE RUSH CREEK. 975 Comment
  RSA233711  Campanula rotundifolia Frederick W. Oettinger 1969-7-25 s.n. Siskiyou Scott Mountains: Shasta-Trinity National Forest: 15 air miles SW of Weed near Kangaroo Lake Campground Comment
  UC131636  Campanula rotundifolia Copeland 1903-9-7 3852 Siskiyou Mt Eddy Comment
  UC70377  Campanula rotundifolia Milo S. Baker 1899-7-31 Siskiyou E slope of Mt Shasta, on Ash Creek Comment
  UC195255  Campanula scabrella Annie M. Alexander and Louise Kellogg 1911-8-14 329 Siskiyou Mt Eddy Comment
  SEINET10463576  Campanula scouleri Joseph W. Congdon 1900-8-16 Congdon s.n. Siskiyou CASTLE LAKE TRAIL Comment
  SEINET10463780  Campanula scouleri Sawyer 1971-8-19 SAWYER 2452 Siskiyou Scott Bar quadrangle; on trail to Marble Valley near Lovers Camp. T43N R11W Sec. 7 1311 Comment
  SEINET10972087  Campanula scouleri Feudge 1927-7-22 FEUDGE 1775 Siskiyou Mt. Shasta City, damp shade of willows. 1067 Comment
  SEINET10972092  Campanula scouleri Joseph W. Congdon 1900-8-8 Congdon s.n. Siskiyou NEAR SISSON Comment
  SEINET12265033  Campanula scouleri M. Ownbey, Meyer, F. G. 1940-1 2226 Siskiyou 18 mi N of Happy Camp Comment
  SEINET10463872  Campanula wilkinsiana Lawrence R. Heckard 1967-8-14 Heckard 1731 Siskiyou SECOND PRINGS ON SIDE CANYON ABOVE HORSE CAMP, SW FLANK OF MT. SHASTA 2560 Comment
  SEINET10905984  Campanula wilkinsiana John G. Lemmon 1888-9-12 Lemmon s.n. Siskiyou Side of Mount Shasta Comment
  RSA758728  Cardamine A. C. Life 1924-3-22 14537 Siskiyou Camp Meeker-foot of Mt. Shasta. Comment
  CAS-BOT-BC471261  Cardamine cordifolia John Thomas Howell 1939-8-3 14993 Siskiyou Spirit Lake, Marble Mts. 1828 Comment
  UC909340  Cardamine nuttallii Ira L. Wiggins 1950-5-28 12375 Siskiyou on ridge between Carmen Lake and headwaters Grouse Creek; ridge btwn Carmen Lake and headwaters Grouse Creek Comment
  HSC22453  Cardamine oligosperma J. O. Sawyer 1969-6-11 860 Siskiyou Ravine just above CCC road 1280 Comment
  UC165307  Cardaria draba Geo. D. Butler 1909-5-10 725 Siskiyou Yreka Comment
  HSC47620  Cardaria draba J. P. Smith 1977-5-15 9069 Siskiyou Yreka Comment
  CHSC116930  Carduus nutans Zachary Voigtman 2013-7-24 2013 -012 Siskiyou Forest Service Plantation, Mt. Shasta City. 1225 Comment
  JEPS88666  Carex Dean Wm. Taylor with Glenn L. Clifton and Rexford E. Palmer 1987-6-7 9027 Siskiyou 0.7 mi w Stud Hill 1645 Comment
  RSA238957  Carex Frederick W. Oettinger 1969-8-13 1355 Siskiyou North side of Crapo Ridge trail to Tom Taylor Cabin. Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. Comment
  RSA237313  Carex abrupta Frederick W. Oettinger 1968-8-11 485 Siskiyou Tom Taylor Cabin. Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1982 Comment
  SEINET7548183 Image available Carex abrupta Frederick W. Oettinger 1969-9-1 1577 Siskiyou High Lake Basins in the vicinity of English Peak Marble Mountain Wilderness area, sandy margin of Katherine Lake. 2027 Comment
  UC1195514  Carex angustata Geo. D. Butler 1909-6-22 855 Siskiyou Goosenest foothills Comment
  UC824913  Carex angustata A. A. Heller 1920-7-6 13409 Siskiyou Metcalf's ranch, ne base of Mt. Eddy Mt. Eddy, Metcalf's ranch 1158 Comment
  UCD140122  Carex atherodes Peter F. Zika 2010-7-21 25197 Siskiyou Grass Lake. On north side of Route 97, 0.4 road miles ENE of Grass Lake Rest Area. 1540 Comment
  CAS-BOT-BC18129  Carex athrostachya Melissa A. Berry 1957-7-4 s.n. Siskiyou Carter Meadow at junction of Long Gulch and Trail Gulch on South Fork of Salmon River. 1676 Comment
  UCD77462  Carex aurea Robert E. Preston 2002-7-12 1915 Siskiyou Klamath National Forest, S slope of Rainbow Mountain 1968 Comment
  CAS-BOT-BC19560  Carex bolanderi A. A. Heller 1905-6-13 8025 Siskiyou Near Shasta Springs. Comment
  CHSC40185  Carex bolanderi L. P. Janeway 1982-8-21 168 Siskiyou SE-facing slope near a trickly-creeklet in Twin Valley. 1584 Comment
  SEINET4110850  Carex bolanderi D. W. Taylor 2005-1 19401 Siskiyou Wagon Camp; along Forest Road 40N25, Panther Creek Drainage, Mount Shasta. 1685 Comment
  CAS-BOT-BC19655  Carex brainerdii L. P. Janeway 1983-8-7 523 Siskiyou East side of Peak 5148, near end of road 17N32 ca 19 miles from Indian Creek Road. 1554 Comment
  CHSC96545  Carex brainerdii L. P. Janeway 2006-7-2 8729 Siskiyou Klamath Ranges. Salmon Mountains; near minor drainage to South Fork Scott River from the west, 1.6 km north of Carter Meadows Summit. 1728 Comment
  CAS-BOT-BC19653  Carex brainerdii H. E. Brown 1897-6-7 370 Siskiyou Mt. Shasta. Comment
  CAS-BOT-BC34159  Carex breweri Leo Whitney 1934-6-17 2013 Siskiyou North side of Mt. Shasta. 2895 Comment
  HSC41809  Carex breweri Robert Wharton 1977-8-20 Siskiyou Along E slope of Mt. Shasta at Wintun Glacier along ridge between Ash & Brewer Creeks 3354 Comment
  JEPS25574  Carex breweri Rimo Bacigalupi with George Bacigalupi Jr. 1959-7-1 7199 Siskiyou on moraine between ice and snow fields, near head of ski lift above Mount Shasta Ski Bowl Lodge; southwestern slopes of Mount Shasta 2834 Comment
  CAS-BOT-BC19900  Carex echinata subsp. phyllomanica David D. Keck 1949-7-20 6361 Siskiyou Scott Mountain Summit. At Trinity County line. 1633 Comment
  CAS-BOT-BC20748  Carex fracta W. R. Dudley 1899-8-15 s.n. Siskiyou Black Fox Mountains. Comment
  SEINET11310042 Image available Carex fracta Unknown 2009-1 24602 Siskiyou Yellow pine forest on Road A10 (Everett Memorial Highway), at McBride Springs Campground, SW slope of Mt. Shasta. Comment
  CAS-BOT-BC20752  Carex fracta J. Major 1961-7-14 647 Siskiyou Mount Shasta. In Mud Creek. 1706 Comment
  HSC48100  Carex fracta D. H. Norris, Thomas W. Nelson, S. Dowty 1971-6-23 19537 Siskiyou Along Hwy. 96 about 8 mi. W of junction with I-5 Comment
  JEPS125858  Carex geyeri Dean W. Taylor 1996-6-28 15749 Siskiyou Antelope Mountain, about 8 air miles S of Yreka Comment
  CHSC82808  Carex halliana L. P. Janeway 2002-7-12 7626 Siskiyou High Cascade Range. 2.7 km west of the summit of Ash Creek Butte; along west side of Road 19 (Military Pass Road) about 1.6 km south of the National Forest boundary. 1780 Comment
  JEPS25940  Carex halliana B. C. Goldsmith 1916-9-29 29 a Siskiyou Medicine Lake Comment
  UC535944  Carex halliana Elmer I. Applegate 1923-8-18 3880 Siskiyou Medicine Lake Comment
  UC618786  Carex inops subsp. inops J. W. Stacey 1938-7-22 11331 Siskiyou Mount Shasta: Sisson Southern Trail. Comment
  HSC59014  Carex integra Marvin Butler 1971-7-7 40 Siskiyou Near Porcupine Meadow, close to the town of Cave Junction 2073 Comment
  CHSC109979  Carex interior Peter F. Zika; Barbara Wilson 2011-7-31 25669 Siskiyou FS Road 41N03, 1.6 road miles from junction with Gazelle-Callahan Road, 1.5 air miles NE of Mountain House, 3.5 air miles NW of Crater Lake, Scott Mountains. 1600 Comment
  CHSC109983  Carex interior Peter F. Zika; Barbara Wilson 2011-7-31 25669 Siskiyou FS Road 41N03, 1.6 road miles from junction with Gazelle-Callahan Road, 1.5 air miles NE of Mountain House, 3.5 air miles NW of Crater Lake, Scott Mountains, Klamath Range (KR). 1600 Comment
  CDA33095  Carex jonesii T. C. Fuller 1962-6-13 8982 Siskiyou Toad Well, road to Medicine Lake, ca. 12 miles northeast of Bartle. 0 Comment
  CHSC40191  Carex laeviculmis L. P. Janeway 1983-8-13 528 Siskiyou On s side and above S Fk Indian Cr. 1432 Comment
  RSA550445  Carex laeviculmis R. Tallent 1987-8-12 899 Siskiyou Klamath National Forest; Long Gulch Lake. 1940 Comment
  RSA724914  Carex laeviculmis L. P. Janeway 2006-7-1 8721 Siskiyou Klamath Ranges, Salmon Mountains; Just west of Carter Meadow, north side of South Fork Salmon River. 1579 Comment
  SEINET7563603 Image available Carex laeviculmis L. P. Janeway 2006-7-2 8743 Siskiyou Klamath Ranges. Salmon Mountains, headwaters of West Fork Whites Gulch, a tributary of North Fork Salmon River from the south, between sharp switchbacks of Road 40N61. Grasshopper Ridge 7.5' quad. 1554 Comment
  UC1265331  Carex laeviculmis Frederick W. Oettinger 1969-8-19 1458 Siskiyou Abbott's Basin Salmon Mountains, Marble Mountain Wilderness Area 1905 Comment
  CHSC40182  Carex lenticularis var. impressa L. P. Janeway 1982-8-13 123 Siskiyou Bench above and on ne side of Bear Cr near trail. 1615 Comment
  CAS-BOT-BC28430  Carex lenticularis var. lipocarpa John Thomas Howell 1939-8-3 14960 Siskiyou Spirit Lake, Marble Mts. 1828 Comment
  JEPS109242  Carex lenticularis var. lipocarpa D. W. Taylor 2005-8-18 19481 Siskiyou Dry Creek Peak, cirque on N-face at headwaters of Antelope Creek, ca 12 air miles NE of the summit of Mt. Shasta. Comment
  RSA237223  Carex lenticularis var. lipocarpa Frederick W. Oettinger 1968-9-9 801 Siskiyou Tom s Lake lower meadow. Salmon Mountains. High Lake Basin in the vicinity of English Peak. Marble Mountain Wilderness Area. 2012 Comment
  SEINET7485496 Image available Carex luzulina L. P. Janeway 4/VII/2006 8784 Siskiyou KLamath Ranges. Scott Mountains; Darlingtonia fen and creeklet complex above Road 40N13 1.6 air km west of Scott Mountain Summit. Comment
  SEINET7566760 Image available Carex mariposana Frederick W. Oettinger 1968-9-8 733 Siskiyou High Lake Basin in the vicinity of English Peak, Marble Mountains Wilderness Area. Area of late snow-hold, southeast of Tom's Lake. 2149 Comment
  HSC59011  Carex mertensii Marvin Butler 1971-7-21 179 Siskiyou Near Bell Echo Camp, close to the town of Cave Junction 1433 Comment
  HSC85800  Carex microptera L. P. Janeway 1983-8-16 554 Siskiyou Poker Flat 1524 Comment
  CAS-BOT-BC32008  Carex multicaulis Roxana S. Ferris; Laura Lorraine 1948-6-12 11801 -A Siskiyou At Mule Creek crossing, Scott Mountain road south of Callahan. Comment
  UC1359 Image available Carex multicostata W. H. Brewer 1862-9-13 1398 Siskiyou Mt. Shasta 2133 Comment
  HSC100085  Carex nardina Dana York 2011-8-13 3059 Siskiyou Klamath National Forest, Slopes of Black Mountain. 2105 Comment
  CHSC107142  Carex nebrascensis R. E. Brainerd 2009-7-22 1560 Siskiyou Red Hill Meadow, east of Mt. Shasta; 4 air miles east of McCloud. UTM Zone 10 478466E 4568630N. 1036 Comment
  CAS-BOT-BC119901  Carex nebrascensis W. R. Dudley 1899-8-13 s.n. Siskiyou Nabar, near NcCloud. Comment
  CAS-BOT-BC119471  Carex nudata D. E. Breedlove 1962-6-10 3321 Siskiyou On the N bank of the Klamath River at its junction with Goff Creek, 4 mi W of Seiad. 411 Comment
  CAS-BOT-BC119479  Carex nudata Alice Eastwood; John Thomas Howell 1937-6-26 5059 Siskiyou Near Forks of Salmon Comment
  CAS-BOT-BC119291  Carex occidentalis John Thomas Howell 1939-8-3 14989 Siskiyou Spirit Lake, Marble Mts. 1828 Comment
  CAS-BOT-BC123135  Carex pachycarpa William Henry Brewer 1862-9-13 1398 Siskiyou Mount Shasta 2743 Comment
  CHSC48072  Carex pachystachya L. P. Janeway 1983-6-25 327 Siskiyou Seep along edge of dirt road ca 350 m N of West Branch USFS Station towards Indian Cr. 670 Comment
  SEINET10713240  Carex pachystachya var. gracilis Louis C. Wheeler 1935-7-26 Wheeler 3718 Siskiyou Siskiyou Mts. S12, T47N, R10W, Mt. Diablo Mer. Wet sunny meadow. Jaynes Canyon. 1951 Comment
  CAS-BOT-BC118929  Carex pellita Roxana S. Ferris; Laura Lorraine 1948-6-12 11819 Siskiyou East fork of Scott River drainiage, Parker Ranch, Plowman's (Noyes) Valley 1203 Comment
  CAS-BOT-BC118573  Carex praegracilis Alice Eastwood; John Thomas Howell 1936-6-13 2748 Siskiyou 6 miles N of Weed Comment
  SBBG125479  Carex praegracilis L. Ahart, J. Dittes 2010-7-30 16953 Siskiyou grassy meadow ca. 30 yards W of the Shasta River, ca. 50 yards W of the E Louie Rd Bridge, Shasta Big Springs Ranch, 1.6 mi SW of Big Springs Lake, 4.6 mi NW of Dwinnel Dam 5.7 mi SE of Grenada 716 Comment
  CAS-BOT-BC118772  Carex preslii John Thomas Howell 1937-7-25 13488 Siskiyou Caribou Basin, Salmon-Trinity Alps 2286 Comment
  CAS-BOT-BC118791  Carex preslii William Bridge Cooke 1939-7-12 13635 Siskiyou On the SW slopes of the mountain near Horse Camp. 2438 Comment
  HSC90440  Carex rossii D. K. Imper Jun 1987 Siskiyou 8 mi. E of town of Mt. Shasta 1829 Comment
  CAS-BOT-BC118215  Carex rossii L. P. Janeway 1983-8-27 621 Siskiyou Preston Peak quad, on S side of and above S Fk Indian Cr. 1463 Comment
  CAS-BOT-BC117912  Carex scabriuscula G. Douglas Barbe 1955-7-9 145 Siskiyou SW shore of Kangaroo Lake, Scott Mtns. 1828 Comment
  CHSC95999  Carex scabriuscula L. P. Janeway 2006-7-4 8788 Siskiyou Klamath Ranges. Scott Mountains; Darlingtonia fen and creeklet complex above Road 40N13 1.6 air km west of Scott Mountain Summit. 1728 Comment
  HSC71110  Carex scabriuscula Thomas W. Nelson, Jane P. Nelson, J. P. Smith 1978-7-24 4499 Siskiyou Along W side of Hwy. 3 just N of Scott Mtn. Summit 1616 Comment
  HSC77155  Carex scabriuscula L. P. Janeway 1983-8-27 623 Siskiyou Twin Valley, lower meadow near trail, on W side of creek. 1494 Comment
  SEINET7486452 Image available Carex scabriuscula Peter F. Zika 2009-1 24536 Siskiyou near Pacific Crest Trail, Route 3, Scott Mountain Summit 1640 Comment
  UCSB63775  Carex scabriuscula Oswald, Vernon; Ahart, Lowell 1998-8-3 Siskiyou Near the Pacific Crest Trail; in the Scott Mtns.; west of Kangaroo Lake: T40N R7W NW1/4 Sect. 14 1981 Comment
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Dec 24 2010
  HSC30526  Carex scopulorum Frederick W. Oettinger 1968-9-5 710 Siskiyou Marble Mtn. Wilderness Area, S end of Diamond Lake 2073 Comment
  RSA238969  Carex scopulorum Frederick W. Oettinger 1969-8-19 1455 Siskiyou Abbott s Basin. Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1905 Comment
  SEINET10751138  Carex scopulorum var. bracteosa A. Arthur Heller 1922-7-3 Heller 13673 Siskiyou Wet soil along Wagon creek, Mt. Eddy, in the Canadian zone. 2195 Comment
  SEINET7575019 Image available Carex scopulorum var. bracteosa Frederick W. Oettinger 1969-8-6 1262 Siskiyou Salmon Mountains; High Lake Basins in the vicinity of English Peak Marble Mountain Wilderness Area, west of Tom's Lower Pond. 1951 Comment
  CAS-BOT-BC117689  Carex simulata Frank Walton Gould 1940-5-14 12325 Siskiyou Bull Meadows, Goosenest Mountain 1524 Comment
  UCR52394  Carex sitchensis L. P. Janeway 1983-7-24 453 Siskiyou Slope between upper & lower parts of meadow at Poker Flat. 1524 Comment
  HSC2415  Carex spectabilis William J. Ferlatte 1966-8-5 344 Siskiyou Caribou Mtn. 2470 Comment
  UC1108382  Carex spectabilis Philip A. Munz 1960-8-22 24177 Siskiyou Panther Meadows Mt. Shasta 2316 Comment
  CAS-BOT-BC117240  Carex spectabilis William Bridge Cooke 1939-7-26 13748 Siskiyou In the west boreal spring above Panther Creek Meadows. 2743 Comment
  CAS-BOT-BC117342  Carex stipata W. R. Dudley 1893-6-21 s.n. Siskiyou Peter Klinks Meadow. Sisson. Comment
  SEINET7576412 Image available Carex straminiformis L. P. Janeway 2006-7-3 8776 Siskiyou Deadman Peak 7.5' quad. Klamath Ranges. Salmon Mountains, south side of upper Carter Meadows 0.5 km west of Carter Meadows Summit. 1798 Comment
  CHSC48066  Carex subfusca L. P. Janeway 1983-5-29 316 Siskiyou Along wet drainage ditch on N side of Scott River Rd on N side of Scott River, opposite Indian Scotty USFS campground. 762 Comment
  SEINET7577150 Image available Carex subfusca Ray Tallent 1987-8-13 912 Siskiyou Klamath National Forest, Forest Rd 39N11 at Little Jackson Creek. 1739 Comment
  UC1021829  Carex subfusca J. M. Tucker 1950-7-24 1951 Siskiyou ca. 6 mi nw Pilgrim Creek Experiment Station (beside Cold Creek at the Military Road crossing); Mount Shasta, Cold Creek Comment
  CHSC40130  Carex utriculata L. P. Janeway 1982-7-2 38 Siskiyou At Poker Flat. At bottom of break between upper and lower portions of meadow. 1524 Comment
  HSC101889  Carex utriculata Dana York 2011-9-9 3094 Siskiyou Klamath National Forest, a few meters inside Marble Mountain Wilderness at Isinglass Lake. 1985 Comment
  HSC39089  Carex vesicaria D. H. Norris May 1970 12268 Siskiyou Haypress Meadows, Marble Mtn. Wilderness Area 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
  JEPS84218  Cassiope mertensiana subsp. californica L. R. Heckard with J. Hickman et al. 1986-7-17 6466 Siskiyou Trail up Kangaroo Peak, S of Lily Pad Lake, ca 5mi N of the town of Seiad Valley 2011 Comment
  RSA0006666  Cassiope mertensiana subsp. ciliolata E. B. Copeland 1903-8-18 3898 Siskiyou Mt. Eddy 2591 Comment
  CAS-BOT-BC248990  Castilleja Edna Kelsey 1961-8-1 s.n. Siskiyou Marble Mts., Skyhigh [Sky High] Lake Comment
  HSC668  Castilleja applegatei William J. Ferlatte 1967-7-9 684 Siskiyou Kidd Creek Trail 1829 Comment
  UC1540025  Castilleja applegatei M. Mitchell 1936-5-21 26 Siskiyou Fleppe Chimney; Lava Beds National Monument 1478 Comment
  HSC29373  Castilleja applegatei Frederick W. Oettinger 1968-8-22 603 Siskiyou Salmon Mts., above English Lake trail on English Lake side of Pass to Diamond Lake 1890 Comment
  HSC76985  Castilleja applegatei subsp. martinii K. T. Stillman 1976-6-25 65 Siskiyou Marble Mtn. Wilderness Area 2073 Comment
  CAS-BOT-BC241150  Castilleja applegatei subsp. pinetorum Alice Eastwood 1921-7-24 10779 Siskiyou Castle Lake Comment
  JEPS16626  Castilleja applegatei subsp. pinetorum Douglas Barbe 1955-7-28 311 Siskiyou 1 mi w Scott Mt. Camp (near the Siskiyou-Trinity County line); Klamath Mountains 1676 Comment
  JEPS23282  Castilleja applegatei subsp. pinetorum Rimo Bacigalupi with Lincoln Constance 1959-6-16 7149 Siskiyou 0.3 mi e Deadhorse summit (on State Highway 89) 1341 Comment
  JEPS5212  Castilleja applegatei subsp. pinetorum Geo. D. Butler 1909-4-17 630 Siskiyou near Yreka Comment
  JEPS84007  Castilleja applegatei subsp. pinetorum L. R. Heckard with J. Hickman et al. 1986-7-17 6506 Siskiyou e of Condrey Mt. (slopes of Alex Hole); slopes of Alex Hole 1890 Comment
  LA209207  Castilleja applegatei subsp. pinetorum Alice Eastwood; 1939-7-14 13690 Siskiyou Mount Shasta, along the Sisson Southern Trail 1523 Comment
  POM44685  Castilleja applegatei subsp. pinetorum Geo. D. Butler 1910-7-9 1711 Siskiyou Wooly Creek. 1677 Comment
  RSA211407  Castilleja applegatei subsp. pinetorum William J. Ferlatte 1967-7-26 751 Siskiyou Caribou Basin, Sawtooth Ridge. 2043 Comment
  RSA789826  Castilleja applegatei subsp. pinetorum Rebecca Wenk 2005-7-20 354 Siskiyou National Forest Road 17, 1 mile down road to the north, heading towards Mt. Shasta. Comment
  CAS-BOT-BC243763  Castilleja applegatei var. pinetorum Elmer I. Applegate 1923-8-18 3870 Siskiyou Top of Red Shale Mountain east of Medicine Lake 2438 Comment
  JEPS76187  Castilleja arachnoidea T. I. Chuang with Fei-Mei Chuang 1977-7-22 7635 Siskiyou 0.75 mi from Deadfall Meadow to Deadfall Lake; Mt. Eddy 2042 Comment
  JEPS84184  Castilleja arachnoidea L. R. Heckard with J. Hickman et al. 1986-7-17 6493 Siskiyou ca 14.5 mi from Hwy 96 (Walker) (Oak Knoll Ranger Station road to Condrey Mt., near Dry Lake); road to Condry Mt., near Dry Lake 1950 Comment
  UC163823  Castilleja arachnoidea Geo. D. Butler 1910-7-9 1712 Siskiyou Marble Mountain 1828 Comment
  RSA165516  Castilleja arachnoidea Clare B. Hardham 1961-6-30 8029 Siskiyou Near Mud Springs. Comment
  SEINET10549343  Castilleja arachnoidea F. Marion Ownbey 1938-7-20 Ownbey 1761 Siskiyou Open gravelly slopes, near dry lake lookout, summit of the siskiyou mtns. Comment
  JEPS66322  Castilleja lacera L. R. Heckard with T. I. Chuang 1971-6-16 2586 Siskiyou ca 2 mi n Weed (along U.S. Highway 97) Comment
  UC1096817  Castilleja lacera Milo S. Baker 1957-6-16 13164 Siskiyou near Callahan (after turn-off, trip to Scott Mt.) Comment
  HSC61199  Castilleja miniata Al Hobart 1967-8-9 Siskiyou El Capitan Comment
  JEPS23291  Castilleja miniata Rimo Bacigalupi with Mr. and Mrs. Van Deventer 1959-7-9 7260 Siskiyou Poker Flat 1536 Comment
  JEPS3904  Castilleja miniata W. L. Jepson 1894-8-4 21469 Siskiyou Mount Shasta Comment
  JEPS66425  Castilleja miniata L. R. Heckard and P. Rubtzoff 1971-8-1 2687 Siskiyou 4 mi below Mt. Eddys ridge summit (road from Stewarts Spring to The Eddys) 1584 Comment
  JEPS74484  Castilleja miniata W. J. Ferlatte 1966-8-2 232 Siskiyou between campground and South Fork of Salmon River (Big Flat); Trinity Alps, Big Flat 1524 Comment
  SEINET3159266  Castilleja miniata G. D. Butler 1910-7-9 1692 Siskiyou Shackleford Creek 1219 Comment
  UCR61243  Castilleja miniata Steve Morgan 1987-7-28 s.n. Siskiyou Sierra Nevada Mtns, McGinnis Springs, 5 mi NW of McCloud, Shasta-Trinity National Forest, south of Mt. Shasta 1768 Comment
  CAS-BOT-BC253620  Castilleja miniata Doris K. Kildale 1929-8-24 9027 Siskiyou White's Meadow, trail to Preston Peak 2895 Comment
  CAS-BOT-BC254025  Castilleja miniata G. Muth 1965-7-29 s.n. Siskiyou Meadow below marble rim Comment
  RSA237565  Castilleja miniata Frederick W. Oettinger 1967-8-12 249 Siskiyou Between Tom Taylor Cabin meadows and the large meadow northwest of English Peak Lookout. The Salmon Mountains. The High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2104 Comment
  HSC20547  Castilleja pilosa R. C. Wunner 1965-6-7 131 Siskiyou Lava Beds N.M., Dragon Head Cave 1364 Comment
  JEPS66323  Castilleja pilosa L. R. Heckard with T. I. Chuang 1971-7-16 2587 Siskiyou just s Mt. Shasta Vista (U.S. Route 97) (ca 2 mi n of Deer Lodge (n of Weed)) 1463 Comment
  JEPS8023  Castilleja pruinosa Rimo Bacigalupi with L. Constance, Joe Tracy, Reid Moran, Rafael Rodriguez and Sherwin Carlquist 1951-6-16 3470 Siskiyou 2 mi w Lake Bolan (ridge, on upper watershed of Indian Creek, immed s of Oregon-Calif boundary); Siskiyou Mountains, Indian Creek 1584 Comment
  POM42524  Castilleja pruinosa Geo. D. Butler 1910-5-15 1340 Siskiyou Greenhorn Mts. 1220 Comment
  HSC24865  Castilleja schizotricha R. W. Spjut Aug 1970 1166 Siskiyou Near Box Camp, 2 mi. N of Marble Valley Guard Station on Black Mt. 2043 Comment
  JEPS79523  Castilleja tenuis L. R. Heckard 1980-7-12 5406 Siskiyou ca 10 air mi ne Weed (meadow border at sw end of Grass Lake, ne of state highway maintenance station); Grass Lake Comment
  HSC45164  Ceanothus cuneatus J. O. Sawyer, E. Cope 1977-6-19 2954 Siskiyou Clear Creek Trail between Preston Creek and Trout Camp 915 Comment
  CAS-BOT-BC50244  Ceanothus integerrimus L. B. Kildale 1930-6-1 9788 Siskiyou Black Bear trail to Sawyers Bar Comment
  RSA399891  Ceanothus integerrimus var. peduncularis M. B. Dunkle 1944-6-25 9006 Siskiyou Beaver Creek. (Coastal Northern California). 1677 Comment
  POM85302  Ceanothus prostratus Geo. D. Butler 1910-5-10 1317 Siskiyou Goosenest Foothills. Comment
  RSA23947  Ceanothus prostratus O. V. Matthews 1939-7-8 26 Siskiyou W of Seiad Gove, Kangaroo lMtn Forest Service Trail. Comment
  UC375365  Ceanothus prostratus Geo. D. Butler 1909-6-23 903 Siskiyou foothills of Goosenest Mountain Comment
  JEPS89111  Ceanothus tomentosus L. N. Lorenzen 1920-6-9 Siskiyou Sisson 1127 Comment
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May 9 2008
  HSC31794  Ceanothus velutinus Steve Selva, Roger Jensen 1974-8-16 8 Siskiyou Above Sugar Lake Comment
  CAS-BOT-BC52843  Ceanothus velutinus var. velutinus Doris K. Kildale 1929-7-20 8709 Siskiyou Raspberry Lake, near east spur Preston Peak Comment
  CAS-BOT-BC52845  Ceanothus velutinus var. velutinus Doris K. Kildale 1928-8-20 6633 Siskiyou Head of North Fork of Salmon River at Finley's Upper Camp Comment
  OBI56382  Centaurea diffusa Paul McCanna 1999-7-20 PDR 1128385 Siskiyou Vicinity of Yreka. T45N, R7w, Sect 21 BM: M Comment
  HSC2328  Centromadia pungens Geo. D. Butler 1910-8-18 1840 Siskiyou Shasta Valley Comment
  CHSC30247  Cephalanthera austiniae M. S. Taylor 1980-7-8 3087 Siskiyou On n side of Castle Lake Rd (39N24), ca. 0.9 mi w of its jct with 40N26 at se side of Lake Siskiyou, w of Mt. Shasta City. 1036 Comment
  CHSC86670  Cerastium dichotomum Jenny Marr 1993-7-1 53 Siskiyou Butte Valley Wildlife Area, +/- 7 air miles NW of the town of MacDoel. Meadow NW of Meiss Lake. 1349 Comment
  CAS-BOT-BC384984  Cerastium dichotomum T. C. Fuller 1962-5-18 8475 Siskiyou B. M. Long prop., Little Shasta Rd., 5 mi. e. of Montague Comment
  UCD98003  Cerastium dichotomum T. C. Fuller 1962-6-12 8969 Siskiyou B. M. Long prop., Little Shasta Road, 5 miles east of Montague. Comment
  UC637080  Ceratophyllum demersum Edward Lee 1934-8-12 1240 Siskiyou s side of the Klamath River near the mouth of Walker Creek ((e end of Seiad Valley)); s side of Klamath River near mouth Walker Creek 426 Comment
  CAS-BOT-BC207630  Cercis occidentalis P. C. Everett; E. K. Balls 1959-10-24 23946 Siskiyou 7 mi. SW from Red Bank F. S. Camp on road from Sawyers Bar to Somersbar Comment
  LA47737  Cercocarpus betuloides Carl B. Wolf; 1934-7-5 5975 Siskiyou Siskiyoiu Mountains, 4 mi. from Oak Knoll Ranger Station on Klamath River, on road to Dry Lake Lookout 1066 Comment
  UCD112962  Cercocarpus betuloides Collector Unknown Date Unknown s.n. Siskiyou Siskiyou County. Exact location unknown. Comment
  RSA120630  Cercocarpus ledifolius G. D. Barbe 1955-8-1 321 Siskiyou E of Craggy lookout on Bolivar. Observed on S side of the ridge from 6400ft-8000ft. None on the N slope - Scott Mtns. 2256 Comment
  UCD113097  Cercocarpus ledifolius Wm. E. Moon 1958-5-29 s.n. Siskiyou 12 miles NE of Weed, State Highway 97. 1219 Comment
  RSA749206  Cercocarpus ledifolius var. intermontanus K. M. Meyer, A. Townesmith 2007-8-2 183 Siskiyou Shasta-Trinity National forest. 0.1 mi. on Forest Service Rd. 43N21, 12.5 mi on Hwy. 97, east side of road 1218 Comment
  CAS-BOT-BC276767  Chaenactis douglasii var. douglasii Alice Eastwood 1921-7-25 10816 Siskiyou Bigelows, McCloud River Comment
  CHSC291  Chaenactis douglasii var. douglasii N. Jaekel 1939-7-29 Siskiyou Mt. Eddy. Comment
  UC30996  Chaenactis douglasii var. douglasii Willis L. Jepson Jul 24 1894-Aug 10 1894 Siskiyou Sims Upper Sacramento Comment
  CAS-BOT-BC276472  Chaenactis douglasii var. douglasii Palmer Stockwell 1939-8-10 13872 Siskiyou Mount Shasta. Between Squaw Valley Creek and Mud Creek Canyon Comment
  RSA142662  Chamaecyparis nootkatensis Al Hobart 1961-7-13 5 Siskiyou Mt. Preston 2134 Comment
  RSA23630  Chamaecyparis nootkatensis O. V. Matthews 1939-6-7 12 Siskiyou NE slope of Mt. Emily, above Frog Pond, 2 mi. south of Oregon-California line 1524 Comment
  UCR110582  Chamaecyparis nootkatensis L. C. Wheeler 1963-8-25 8275 Siskiyou Preston Peak: Summit ridge 2134 Comment
  SEINET10546749  Chamaesaracha nana Mary Merello 1993-6-25 Merello 719 Siskiyou Shasta National Forest. At end of Forest Service Road 39N 28, road to Lower Falls and Fowlers Campground. Open conifer woodlands. Disturbed. Along McCloud River. 970 Comment
  CDA35240  Chamaesyce glyptosperma F. D. Horn 1980-7-18 s.n. Siskiyou Weed; at the end of Big Rock Road, Shastina Properties. 0 Comment
  JEPS100296  Chamaesyce serpillifolia subsp. serpillifolia Dean W. Taylor 2001-8-28 17904 Siskiyou Mt. Shasta; Ski Park Highway 0.7 miles north from Highway 89 at Snowmans Hill Summit 1417 Comment
  HSC22480  Chamerion angustifolium subsp. circumvagum J. O. Sawyer 1969-7-8 1064 Siskiyou WNW facing slope above Little Duck Lake 2073 Comment
  CAS-BOT-BC68239  Cheilanthes gracillima Elizabeth McClintock; Wayne Roderick; Martha Roderick 1967-7-29 s.n. Siskiyou Trinity Mountains - Road to Mumbo Basin 1889 Comment
  HSC1001  Cheilanthes gracillima Jerry Parker 1968-10-6 135 Siskiyou Salmon Mtns. above Sugar Lake 1829 Comment
  JEPS80663  Chenopodium pratericola W. B. and V. G. Cooke 1968-7-1 39230 Siskiyou Andesite Road at US-97 (n base of mt.); Mt. Shasta 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
  POM131999  Chimaphila umbellata E. B. Copeland 1903-8-15 3828 Siskiyou Mt. Shasta 1829 Comment
  SD88341  Chimaphila umbellata Darley F. Howe 1972-7-6 Siskiyou 3.2 miles south of Oregon state line on road to Happy Camp 1402 Comment
  RSA238330  Chimaphila umbellata subsp. occidentalis Frederick W. Oettinger 305 Siskiyou Just about 10 yards n.w. of the Pine Lake campsite at the n.w. side of the lake. 1921 Comment
  HSC41387  Chlorogalum pomeridianum var. pomeridianum J. P. Smith, Steve Selva 1970-6-14 Siskiyou Comment
  UCD58333  Chorispora tenella Steve Orloff 2007-5-22 3 Siskiyou From Gazelle in Shasta Valley. Just off of Old 99 and Scarface Road. Comment
  RSA237460  Chrysanthemum leucanthemum Frederick W. Oettinger 1968-9-6 742 Siskiyou Bear Meadow' midway between Tom Taylor Cabin and English Peak Summit (as the crow flies). The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1997 Comment
  CDA15533  Chrysolepis chrysophylla var. chrysophylla G. F. Hrusa 1998-7-5 14701 Siskiyou Siskiyou Mountains; Cedar Camp Rd. +- 5 mi. E of Weitchpec on Hwy 96. N side of Hwy. Mile 8.8. Comment
  HSC30271  Chrysolepis sempervirens William J. Ferlatte 1971-9-19 1385 Siskiyou NW side of Caribou Mtn. 2073 Comment
  HSC33958  Chrysolepis sempervirens J. P. Smith 1974-5-25 7429 Siskiyou Near junction of Rd. 8 with French Creek Rd. 1280 Comment
  HSC68299  Chrysolepis sempervirens J. P. Smith, J. O. Sawyer 1971-9-16 4765 Siskiyou Ridge S of Bingham Lake. 2134 Comment
  UC618842  Chrysolepis sempervirens unknown 1938-9-8 11645 Siskiyou n side Red Butte; Mount Shasta Comment
  UC711898  Chrysolepis sempervirens Roxana S. Ferris and Laura Lorraine 1941-8-11 10508 Siskiyou about 7 mi from Medicine Lake (on road to Modoc Lava Beds National Monument); Shasta National Forest Comment
  RSA120851  Chrysolepis sempervirens H. K. Wagnon 1957-8-11 1690 Siskiyou East slope of Mt. Shasta on rd. to Brewer Cr., 3 mi. W of Military Pass Rd. Comment
  CDA14222  Chrysothamnus nauseosus subsp. albicaulis G. F. Hrusa 1997-9-18 14104 Siskiyou Summit of Pass between Calahan & Gazelle, W of Mountain House. Comment
  RSA14487  Chrysothamnus nauseosus subsp. consimilis Elmer I. Applegate 1923-8-21 3926 Siskiyou Low alkaline ground along Willow Creek S of lower Klamath marsh Comment
  JEPS15738  Cicuta douglasii Willis L. Jepson July, 1894 14231 Siskiyou by stage-road n of Sisson (Mount Shasta); Mount Shasta Comment
  JEPS25821  Cicuta douglasii Geo. D. Butler 1908-8-12 456 Siskiyou Oro Fino, L. Eastlick's Ranch Oro Fino; , L. Eastlick's Ranch Comment
  HSC16245  Circaea alpina subsp. pacifica D. E. Anderson 1962-8-5 2314 Siskiyou 3 mi. W of Bartlett, 1 mi. N of Shasta Co. line on Hwy. 89 Comment
  RSA211364  Circaea alpina subsp. pacifica William J. Ferlatte 1967-8-19 1034 Siskiyou Trinity Alps: Along the South Fork of the Salmon River between the campground and Carter s. 1524 Comment
  OBI55400  Cirsium cymosum var. canovirens David J. Keil, Kathleen Keil 1992-7-24 23560 Siskiyou Klamath Natl forest E of callahan. 2.1 m N of Kangaroo Lake on Rail Creek rd Comment
  CAS-BOT-BC279878  Cirsium douglasii var. breweri A. A. Heller 1915-8-26 12238 Siskiyou Mt. Eddy 1828 Comment
  CAS-BOT-BC279886  Cirsium douglasii var. breweri L. E. Smith 1914-7-6 754 Siskiyou Cantara Comment
  SBBG65885  Cirsium douglasii var. breweri A. A. Heller 1927-8-1 14437 Siskiyou Strawberry Valley near Mount Shasta, near Deetz, just N of Shasta City Comment
  CDA1275  Cirsium inamoenum T. C. Fuller 1979-10-3 20271 -B Siskiyou Goosenest Rd., 14 km northeast of Tennant. 0 Comment
  OBI55423  Cirsium remotifolium var. odontolepis David J. Keil 1992-7-20 23495 Siskiyou Klamath NF, W of Fort Jones. Along Forest Rd 44N45, 4.4 mi S of Scott river rd Comment
  CDA1590  Cirsium scariosum var. robustum T. C. Fuller 1959-7-9 2738 Siskiyou Hwy 99, 2 mi. S/ Gazelle. 0 Comment
  CAS-BOT-BC228959  Cistanthe umbellata Annie M. Alexander; Louise Kellogg 1949-7-21 5826 Siskiyou Paradise Lake, Marble Mountains 1920 Comment
  RSA756946  Clarkia Robert F. Thorne 1969-8-2 63337 Siskiyou Klamath National Forest, Salmon Mountains, Marble Mountain Wilderness Area, high lake basins in the vicinity of English Peak. 1159 Comment
  CAS-BOT-BC164744  Clarkia rhomboidea Wm. Bridge Cooke 1940-7-12 15339 Siskiyou Along the Memorial Highway, near MacBride Springs Comment
  CAS-BOT-BC439103  Claytonia cordifolia Geo. D. Butler 1910-6-5 1510 Siskiyou Shackleford Creek Comment
  HSC48274  Claytonia lanceolata P. Stekel, K. Stillman May 1977 239 Siskiyou Along Happy Camp-O'Brien Rd. above Louse Creek Comment
  CAS-BOT-BC439626  Claytonia parviflora subsp. parviflora Geo. D. Butler 1910-5-8 1305 Siskiyou Near Yreka Comment
  HSC4456  Claytonia rubra subsp. rubra William J. Ferlatte 1966-6-22 107 Siskiyou 3 mi. S of Big Flat 1585 Comment
  UCR26232  Claytonia sibirica John C. Roos 1948-9-1 3982 Siskiyou high ridge SW of Etna Comment
  CAS-BOT-BC443867  Claytonia sibirica David D. Keck 1938-8-6 4806 Siskiyou At Siskiyou-Del Norte Co. line, Poker Flat, summit of Siskiyou Mts., on road from Waldo to Happy Camp. 1555 Comment
  HSC29435  Claytonia sibirica Frederick W. Oettinger 1968-8-14 509 Siskiyou Marble Mtn. Wilderness Area, at Tom Taylor Cabin 2049 Comment
  UC1223241  Claytonia sibirica Joseph P. Tracy 1951-6-16 19463 Siskiyou Takilma-Happy Camp Road Siskiyou Mountains (n of summit crossing of Siskiyou Mountains, where small stream crosses road) Comment
  CAS-BOT-BC92766  Clematis ligusticifolia Edward Lee 1934-8-10 1022 Siskiyou South bank of Klamath River between McKinney and Parkhouse creeks (near Hamburg). 609 Comment
  SEINET3159191  Clematis ligusticifolia G. D. Butler 1910-8-3 1810 Siskiyou Yreka creek Comment
  CAS-BOT-BC500958  Clintonia uniflora Mabel E. Stonehouse 1916-6-17 s.n. Siskiyou Hilt Comment
  RSA237956  Clintonia uniflora Frederick W. Oettinger, Robert F. Thorne 1969-8-7 1277 Siskiyou Salmon Mountains, the high lake basins in the vicinity of English Peak Marble Mountain Wilderness Area; at southeast end of English Lake. 1768 Comment
  UC164320  Collinsia grandiflora Geo. D. Butler 1911-4-23 1226 Siskiyou Quartz Valley; damp meadow Comment
  CHSC31204  Collinsia linearis M. S. Taylor 1980-7-8 3115 Siskiyou On ridge s of Castle Lake, above Hearts Lake. 2016 Comment
  JEPS6203  Collinsia linearis W. L. Jepson 1907-7-19 2941 Siskiyou East Fork Illinois River, headwaters East Fork Illinois River; Siskiyou Mtns Comment
  JEPS59014  Collinsia linearis Dorothy Parker 1960-5-23 750 Siskiyou below Sawyers Bar; Salmon River Comment
  RSA237562  Collinsia linearis Frederick W. Oettinger 1968-9-5 705 Siskiyou Near spring half way up trail from English Lake to Diamond Lake. The Salmon Mountains. The High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1898 Comment
  HSC36934  Collinsia parviflora J. P. Smith 1974-5-26 7560 Siskiyou Along FS Rd. 47N03 1524 Comment
  RSA145235  Collinsia torreyi var. latifolia Dorothy Parker 1958-7-30 686 Siskiyou Above Taylor Hole, Salmon Mts. 2012 Comment
  UC23612  Collomia grandiflora T. H. Gilbert Jun 15 1899-Jul 15 1899 Siskiyou Scott River Valley Comment
  HSC45993  Collomia heterophylla J. P. Smith 1973-5-5 6458 Siskiyou Trail to the Siskiyou cypress stand, off the Cook and Green Pass Rd. Comment
  HSC68370  Collomia heterophylla J. P. Smith 1973-5-5 6373 Siskiyou In and around the O'Neill Campground near Seiad Valley. 488 Comment
  RSA409239  Collomia heterophylla J. P. Smith 1973-5-5 6469 Siskiyou Along Cook and Green Pass road. Comment
  UC643296  Collomia tinctoria W. Bridge Cooke 1940-7-26 15366 Siskiyou in woods and openings on banks of canyon Mount Shasta, Diller Canyon 1524 Comment
  RSA120685  Collomia tracyi S. Tillett 1956-7-9 636 Siskiyou E-facing slope of Scott Mountain, 8 miles SE of Callahan; Siskiyou-Trinity Co. line 2073 Comment
  CDA26905  Colutea arborescens F. D. Horn 1980-8-22 Siskiyou Off freeway, I-5, Dunsmuir. 0 Comment
  UC165248  Conium maculatum Geo. D. Butler 1909-6-26 924 Siskiyou near Yreka Comment
  CAS-BOT-BC286039  Conyza canadensis Wm. Bridge Cooke 1938-7-29 11383 Siskiyou Mount Shasta. Howard Comment
  CHSC2331  Corallorhiza maculata V. Holt 1932-6-26 Siskiyou Mt. Eddy. 1828 Comment
  CHSC30251  Corallorhiza maculata M. S. Taylor 1980-6-23 2943 Siskiyou Cedar Lake, ca. 11 mi sw of Mt. Shasta City. 1737 Comment
  UC143609  Corallorhiza maculata Dr. E. B. Copeland 1903-9-6 3926 Siskiyou Mt. Eddy 1371 Comment
  JEPS60491  Cordylanthus tenuis subsp. viscidus T. I. Chuang and L. R. Heckard 1969-8-21 6742 Siskiyou 1/2 mi w Hamburg (on Hwy 96 above the Klamath River) 426 Comment
  SEINET13682592  Cordylanthus tenuis subsp. viscidus B. L. Wilson, R. E. Brainerd 2010-8-5 16222 Siskiyou Shasta-Trinity NF, ca junction of Hwy 89 and FR 41N06, ca 10 miles E of McCloud. 774 Comment
  HSC60674  Cornus canadensis Ruby Van Deventer Siskiyou Bear Meadow. Comment
  CAS-BOT-BC212282  Cornus glabrata W. R. Dudley 1899-8-24 s.n. Siskiyou East Fork of Scott's Creek near Callahan's Comment
  CDA38550  Cornus glabrata F. D. Horn & J. Shaw 1973-6-25 s.n. Siskiyou Klamath River. 0 Comment
  CAS-BOT-BC212071  Cornus nuttallii Doris K. Kildale 1929-7-20 8630 Siskiyou Trail up South Fork Indian Crek to Elk Lick 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
  UC165290  Cornus nuttallii Geo. D. Butler 1908-8-21 85 Siskiyou Etna Creek Comment
  SBBG5317  Cornus nuttallii J. M. Tucker 1947-5-17 154 Siskiyou ca. 5 mi SE of Callahan on rd to Scott Mtn Comment
  SEINET3161704  Cornus pubescens G. D. Butler 1910-6-4 1490 Siskiyou Shackleford Creek Comment
  CAS-BOT-BC210424  Cornus sericea John Thomas Howell 1939-8-3 14978 Siskiyou Spirit Lake, Marble Mts. 1828 Comment
  CHSC451  Cornus sericea subsp. sericea M. Yoder 1941-7-21 Siskiyou Castle Lake. 1981 Comment
  HSC19035  Cornus sericea subsp. sericea J. O. Sawyer 1969-7-18 1400 Siskiyou SW facing slope above S Russian Creek. 1905 Comment
  RSA68928  Cornus stolonifera A. E. Culbertson 1943-7-12 30 Siskiyou Castle Lake, in a north facing cirque with an abrupt 1000' backwall, 14 miles SW of Mt Shasta on n. side of a 6600' eastern spur of Trinity Mts.; 2000' above Sacramento R. within 10 air miles of its headwaters to the west. 1657 Comment
  SBBG113471  Corylus cornuta subsp. californica D. Wilken with E. Painter 2000-8-10 15854 Siskiyou just S of Del Norte and Josephine (OR) county lines, NNE of Little Grayback, near head of Indian Crk, O'Brien-Happy Camp Rd 1500 Comment
  RSA481446  Corylus cornuta var. californica M. B. Dunkle 1944-7-15 9098 Siskiyou Siskiyou National Forest. Comment
  SACT002823  Corylus rostrata var. californica G. Kimber 1934-6-9 Siskiyou 1/8 mile above junction with Sacramento River Comment
  CAS-BOT-BC290477  Crepis acuminata G. L. Stebbins, Jr.; E. B. Babcock 1936-6-12 1968 Siskiyou North slope of Mt. Shasta, on highway from Bray to Weed, about 2 miles south of Sheep Rock 1235 Comment
  UC163909  Crepis bakeri subsp. bakeri Geo. D. Butler 1910-5-10 1328 Siskiyou Goosenest foothills 1524 Comment
  CHSC86668  Crepis monticola Jenny Marr 1993-7-1 51 Siskiyou Butte Valley Wildlife Area, +/- 7 air miles NW of the town of MacDoel. Meadow NW of Meiss Lake. 1349 Comment
  POM33148  Crepis monticola Geo. D. Butler 1910-6-2 1450 Siskiyou Near Yreka. Comment
  UC221771  Crepis occidentalis H. E. Brown Jun 1 1897-Jun 10 1897 382 Siskiyou near Sisson 1083 Comment
  RSA75628  Crepis occidentalis subsp. conjuncta Albert M. Vollmer, L. Beane 1951-5-31 28 Siskiyou Scott Mountain Comment
  CAS-BOT-BC290881  Crepis pleurocarpa John Thomas Howell 1939-8-2 14867 Siskiyou Spirit Lake, Marble Mts. 1828 Comment
  CAS-BOT-BC376478  Crepis pleurocarpa Annie M. Alexander; Louise Kellogg 1949-7-29 5890 Siskiyou Top of ridge above Sky High Lake. Sky High Valley, Marble Mountains 1920 Comment
  CHSC33064  Crepis pleurocarpa Maralyn A. Renner 1980-8-21 2602 Siskiyou Klamath National Forest. Southwest of trail from Leroy Mine to Sunrise Basin, near ridge. 2286 Comment
  SD53386  Crepis pleurocarpa Darley F. Howe 1962-8-4 3392 Siskiyou Near summit of Baldy Mountain. 1735 Comment
  UC163912  Crepis pleurocarpa Geo. D. Butler 1908-8-3 306 Siskiyou Shackleford Creek Log Lake Comment
  UCR51766  Crocidium multicaule L. C. Wheeler 1935-5-5 03463 Siskiyou Siskiyou Mtns., Greenhorn Creek 854 Comment
  UC532172  Cryptantha intermedia Isabelle C. Kimber 1934-6-9 27 Siskiyou just above Ney Creek confluence with Sacramento River (Steelbridge Camp); Sacramento River 731 Comment
  UC726047  Cryptantha intermedia A. A. Heller 1938-7-12 15250 a Siskiyou 5 mi n Weed (along U.S. Highway 97) 1066 Comment
  RSA610640  Cryptantha torreyana L. C. Wheeler 1935-5-26 3531 Siskiyou Yreka Creek, Siskiyou Mts. 915 Comment
  HSC46231  Cryptantha torreyana Jennifer Whipple 1978-6-5 2343 Siskiyou Weston Gulch in Scott Valley 854 Comment
  HSC68537  Cryptogramma acrostichoides Maralyn A. Renner 1980-6-25 1102 Siskiyou Little South Fork Indian Creek, W Fork 1220 Comment
  HSC34491  Cryptogramma acrostichoides J. D. Ackerman 1974-8-18 431 Siskiyou Ridge above mine near Cyclone Gap and Copper Mtn. in the Preston Peak area 1524 Comment
  CAS-BOT-BC85604  Cupressus bakeri C. O. Stone 1964-6-6 287 Siskiyou Approximately 100 yards NE of Quarry, Fall river Mills Quad. 1109 Comment
  POM203790  Cupressus bakeri J. T. Howell 1934-7-4 12386 Siskiyou Between Timbered Crater and Little Hot Springs Valley Comment
  POM264954  Cupressus bakeri O. V. Matthews 1939-7-14 34 Siskiyou North-westerly Grove, Goose Nest Region 1524 Comment
  RSA176220  Cupressus bakeri C. O. Stone 1964-6-6 287 Siskiyou 100 yards NE of Quarry in Sec. 25 SW/4 SW/4 NE/4 Fall River Mills quad 1110 Comment
  UC202175  Cupressus bakeri Geo. D. Butler 1910-7-4 1637 Siskiyou Goosenest foothills in rocky canyon Goosenest foothills 1219 Comment
  RSA22768  Cupressus bakeri O. V. Matthews 1939-7-11 32 Siskiyou Near junction of W and E Fork of Seiad Creek, on ridge above company s chromium mine 854 Comment
  RSA28202  Cupressus bakeri W. L. Jepson 1914-8-11 5764 Siskiyou Lava Beds 1037 Comment
  RSA184718  Cuscuta occidentalis Gilbert Muth 1966-8-1 490 Siskiyou Marble Valley Horse Pasture, Marble Mountains 1793 Comment
  UC1540019  Cycladenia humilis var. humilis M. Mitchell 1936-5-9 10 Siskiyou s.e. slope of Schonchin Butte; Lava Beds Nat'l Monument, Schonchin Butte Comment
  SEINET13943861 Image available Cymopterus terebinthinus W. B. C. 1941-1 16208 Siskiyou In the Lava Park above Hotlum Station, N side of Mt. Shasta, alt. 5000 Comment
  JEPS39359  Cynoglossum grande Geo. D. Butler 1909-4-15 594 Siskiyou Humbug Comment
  HSC34152  Cynoglossum occidentale J. O. Sawyer 1969-9-11 2002 Siskiyou Along trail to Big Duck Lake 1707 Comment
  CDA5635  Cynoglossum officinale Wm. Nichols 1959-5-1 2310 Siskiyou McCloud. 0 Comment
  HSC26608  Cynosurus echinatus J. P. Smith, Steve Selva 1980-6-15 3920 Siskiyou 10 mi. NW of Forks of Salmon Comment
  SBBG26901  Cyperus acuminatus L. C. Wheeler 1934-10-11 3317 Siskiyou Oak Knoll Ranger Station, Klamath River 670 Comment
  CAS-BOT-BC114694  Cyperus bipartitus Henry M. Pollard 1956-10-7 s.n. Siskiyou Klamath River bar on Spink's Ranch at Roger's Creek, Somes Bar. Comment
  CAS-BOT-BC114149  Cyperus squarrosus LeRoy Abrams 1922-8-6 9898 Siskiyou Klamath River 6 mi. below Hornbrook. Comment
  JEPS109696  Cypripedium californicum Dean W. Taylor 2002-7-20 18254 Siskiyou Forest Road 17 ca. 3.3 miles west (above) junction with Stewart Springs Road, Parks Creek 1524 Comment
  RSA722401  Cypripedium californicum W. Lane 1938-07 s.n. Siskiyou Siskiyou Mountains 1220 Comment
  UC1483490  Cypripedium californicum Maralyn A. Renner 1980-7-4 1416 Siskiyou Clear Creek Trail n Trout Camp; Klamath National Forest, Preston Peak Quad 1066 Comment
  RSA50165  Cypripedium montanum E. K. Balls 1949-7-10 13957 Siskiyou 5 miles from Sawyers Bar on road to Cecilville. 1220 Comment
  UCD60991  Danthonia californica R. Tofsrud 1948-8-3 Siskiyou Poker Flat, near Del Norte Co. border. Comment
  CAS-BOT-BC76234  Darlingtonia californica L. E. Smith 1913-7-4 81908 Siskiyou Castle Lake. Comment
  UC1483489  Darlingtonia californica Maralyn A. Renner 1980-7-4 1417 Siskiyou Clear Creek Trail n Trout Camp; Klamath National Forest, Preston Peak Quad. 1066 Comment
  UCD119061  Darlingtonia californica B. Crampton 1956-8-21 3805 Siskiyou Slopes above Gumboot Lake, headwater of the south fork of the Sacramento River. 1920 Comment
  UCR95194  Darlingtonia californica L. C. Wheeler 1963-9-1 8329 Siskiyou Siskiyou Mtns, W side Clear Creek c. 1/2 mi upstream from Trout Camp. 1037 Comment
  CAS-BOT-BC420660  Darmera peltata Don. Reinoehl 1925-4-1 s.n. Siskiyou Dunsmuir Comment
  HSC64831  Darmera peltata J. P. Smith 1973-5-5 6387 Siskiyou In and around the O'Neill Campground near Seiad Valley. 488 Comment
  HSC30498  Darmera peltata Frederick W. Oettinger 1969-8-29 1561 Siskiyou Between 4th and 5th river crossing, Main N Fork Trail, Salmon Mtns. Comment
  HSC64753  Dasiphora fruticosa J. P. Smith, Steve Selva 1970-7-17 4451 Siskiyou Below Kangaroo Lake. 1890 Comment
  CAS-BOT-BC9564  Delphinium antoninum J. H. Thomas 1954-5-13 4150 Siskiyou Salmon Mountains, Klamath National Forest. Near South Fork of Salmon River, 5 to 9 miles southeast of Cecilville 1127 Comment
  UC673152  Delphinium decorum subsp. tracyi Lincoln Constance and Reed C. Rollins 1942-5-14 2926 Siskiyou basaltic knoll 4 mi w Yreka (road to Walker Post Office); Klamath-Siskiyou Region 1219 Comment
  HSC65272  Delphinium depauperatum Rich White 1978-7-6 246 Siskiyou Pond above Elk Hole 1524 Comment
  CHSC1444  Delphinium glaucum V. Holt 1943-8-1 Siskiyou Marble mountains. 1828 Comment
  UC467749  Delphinium glaucum Annie M. Alexander and L. Kellogg 1911-7-30 304 Siskiyou Hd. Rush Cr. 1950 Comment
  UC165948  Delphinium nudicaule Geo. D. Butler 1910-5-7 1299 Siskiyou dry hills near Yreka Comment
  HSC77045  Delphinium nuttallianum K. T. Stillman 1976-6-25 28 Siskiyou Marble Mtn. Wilderness Area, Marble Valley 1829 Comment
  JEPS121611  Deschampsia cespitosa subsp. cespitosa Kendra Sikes 2011-9-13 Siskiyou Bogbean Fen, Caldwell Lakes Basin, headwaters of Parks Creek, east slope of China Mountain. Gently sloping wet meadow, W aspect, over gabbro. China Mountain quadrangle. CLB_1 #B Comment
  RSA758077  Deschampsia cespitosa subsp. cespitosa Barbara Ertter 1990-7-14 9320 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
  CAS-BOT-BC201940  Deschampsia elongata Alice Eastwood 1921-7-24 10773 Siskiyou Castle Lake Comment
  HSC91415  Deschampsia elongata Jennifer Whipple 1977-7-21 2020 Siskiyou Near Durney Lake 2073 Comment
  SEINET4567140  Deschampsia elongata E. Palmer 1892-1 2642 Siskiyou Near Mt. Shasta Comment
  HSC6710  Descurainia longipedicellata R. C. Wunner 1965-8-23 474 Siskiyou Lava Beds National Monument, Lava Reef burn near NW dump 1220 Comment
  CAS-BOT-BC43267  Descurainia pinnata subsp. glabra R. E. Frenkel 1963-7-13 257 Siskiyou On Everitt Memorial Highway, 0.4 mile north of McCloud River RailRoad crossing near Mount Shasta. 1176 Comment
  UC165738  Descurainia pinnata subsp. halictorum Geo. D. Butler 1909-5-15 727 Siskiyou Klamath River Comment
  CAS-BOT-BC43522  Descurainia sophia Wm. Bridge Cooke 1941-7-11 16044 Siskiyou Mount Shasta. In the vicinity of MacBride Springs and along the Memorial Highway. 1524 Comment
  HSC19064  Dicentra formosa J. O. Sawyer 1969-7-18 1373 Siskiyou E of Waterdog Lake 2012 Comment
  HSC24704  Dicentra formosa J. O. Sawyer 1969-7-24 1493 Siskiyou SW of Sugar Lake 1890 Comment
  SBBG16474  Dicentra formosa D. Myrick 1961-6-21 312 Siskiyou Deer Camp Rd above Oak Knoll Ranger Stn on Klamath River 1828 Comment
  UC1362281  Dicentra formosa K. R. Stern 1965-5-29 2171 Siskiyou ca 15 mi nnw Klamath River (town) (1.2 mi below Deer Camp) Comment
  CAS-BOT-BC402481  Dicentra formosa subsp. formosa A. A. Heller 1905-6-13 8021 Siskiyou Near Shasta Springs Comment
  POM109856  Dichelostemma ida-maia Geo D. Butler 1909-7-15 s.n. Siskiyou Russian Creek. 1829 Comment
  HSC44874  Dichelostemma multiflorum J. P. Smith, Steve Selva 1970-6-15 3944 Siskiyou Road between Forks of Salmon and Cecilville. 579 Comment
  CAS-BOT-BC299764  Dieteria canescens var. canescens M. B. Dunkle 1945-8-2 9281 Siskiyou Kings Castle, Klamath Forest 2286 Comment
  HSC92174  Dieteria canescens var. shastensis Jennifer Whipple 1976-8-20 1705 Siskiyou Summit region of Mt. Eddy 2470 Comment
  UC1223211  Dieteria canescens var. shastensis Joseph P. Tracy 1949-9-16 18564 Siskiyou 1 mi e Etna (in Scott Valley); Scott Valley 883 Comment
  UC86845  Dieteria canescens var. shastensis M. K. Curran July 1887 Siskiyou Edgewood Comment
  UC1576753  Dimeresia howellii Dean Wm. Taylor, Glenn L. Clifton, and R. Doug Stone 1987-8-7 9250 Siskiyou on crater floor at n interior Caldwell Butte; Lava Beds National Monument, Caldwell Butte 1499 Comment
  SEINET13701295  Diplacus jepsonii D. M. Thompson 1988-1 932 Siskiyou Along Hwy 89, SW corner of jct of Bigelow Meadows Road and Hwy 89, opposite Hwy 89 from FR 40N16, 2.4 miles W of turnoff for Cattle Camp Road; 2.0 mile W of USFS Ash Creek Station, 8.0 miles E of McCloud. 1097 Comment
  CAS-BOT-BC153300  Diplacus kelloggii Harley P. Chandler 1901-6-1 1480 Siskiyou Ridges and meadows near Marble Mountain 426 Comment
  CAS-BOT-BC153455  Diplacus layneae Copeland 1903-9-5 3851 Siskiyou Igerna Comment
  CAS-BOT-BC153722  Diplacus nanus Milo S. Baker 1926-7-18 79 a-'26 Siskiyou Forest Road on S. Fork Mt. 6 miles from Highway Comment
  CAS-BOT-BC153734  Diplacus nanus A. M. Vollmer; L. Beane 1951-5-31 14 Siskiyou Near highway, Scott Mountain Comment
  SEINET8225567  Diplacus nanus Unknown 1948-6-12 1171 Siskiyou Schoolhouse Hill, Plowman's Valley [Noyes Valley], east fork of Scott River. Comment
  UCD137482  Dipsacus M. V. Maxwell 1958-9-1 s.n. Siskiyou Fort Jones. Comment
  RSA105369  Dodecatheon alpinum G. D. Barbe 1955-7-6 126 Siskiyou Dry areas above NE shore of Taylor lake, Salmon Mtns. 1951 Comment
  CHSC96706  Dodecatheon jeffreyi Gordon Leppig; Jennifer Kalt 1996-7-9 353 Siskiyou Klamath National Forest, Russian Wilderness, Little Duck Lake Fen. Subalpine fen in cirque west of Little Duck Lake. NAD 27 UTM Zone 10, 503813E, 4572466N. 2200 Comment
  HSC45210  Dodecatheon jeffreyi J. O. Sawyer, E. Cope 1977-6-20 2965 Siskiyou Behind Devil's Punchbowl 1829 Comment
  HSC67572  Dodecatheon jeffreyi J. P. Smith, Steve Selva 1970-7-17 4467 Siskiyou Below Kangaroo Lake. 1890 Comment
  UC1199666 Image available Downingia bacigalupii John H. Weiler and A. P. Nelson 1960-6-24 60205 Siskiyou along Ager-Beswick Road 2.7 mi sw California-Oregon border; ; Siskiyou Co. Comment
  RSA516617  Downingia yina R. C. Bacigalupi, Lincoln Constance, M. Hiroe 1956-6-9 5696 Siskiyou Along U.S. Hwy 99, 1.5 mile N of Weed, Shasta Valley. 976 Comment
  CAS-BOT-BC41307  Draba pterosperma C. L. Hitchcock; J. S. Martin 1939-7-9 5302 Siskiyou North side of Black Mountain near Marble Mountain (King's Castle). 2072 Comment
  CAS-BOT-BC41318  Draba pterosperma Harley Pierce Chandler 1901-6-1 1654 Siskiyou North Coast Ranges. Marble Mountain. 2438 Comment
  UC165379  Draba pterosperma Geo. D. Butler 1908-8-8 33 Siskiyou Marble Valley Marble Valley (crevices of Marble rocks) Comment
  UCD115550  Draba pterosperma J. M. Tucker; L. K. Mann and Sandra L. Holloway 1963-8-18 3757 Siskiyou Southwestern ridge of Black Mountain (Black Marble Mountain), Marble Mountain Wilderness Area. 2133 Comment
  CAS-BOT-BC401590  Drosera rotundifolia Wm. Bridge Cooke 1939-7-21 13725 Siskiyou Mount Shasta. In the Wagon Camp bog Comment
  UC903240  Drymocallis lactea var. austiniae Mrs. H. P. Bracelin 1931-6-21 462 Siskiyou above Dobkins Lake (n side Mount Eddy); n side Mount Eddy above Dobkins Lake 2042 Comment
  HSC76772  Drymocallis lactea var. lactea K. T. Stillman 1976-8-7 372 Siskiyou Marble Mtn. Wilderness Area; trail from Black Mtn. Camp to Jump off point 1951 Comment
  UC1593363  Dryopteris expansa Alan Smith with Chris Richards, C. Don Macneill, Janet Sowers, Bob Martin, Pat Toops, and Barney 1992-6-6 2541 Siskiyou at base of entrance pit Fossil Cave; Lava Beds Nat'l Monument 1280 Comment
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May 30 2013
  SD76149  Dysphania botrys Helen V. Witham 1969-10-7 573 Siskiyou Scott River Valley 10 miles west of Ft. Jones 700 Comment
  HSC9662  Echinochloa crus-galli C. B. Wolf 1927-8-26 994 Siskiyou Klamath River, 5 mi. below Hornbrook Comment
  CAS-BOT-BC197269  Echinochloa muricata var. microstachya Edward Lee 1934-8-10 1018 Siskiyou Klamath River, south bank between McKinney and Parkerhouse creeks 609 Comment
  CHSC88375  Eleocharis bella Jenny Marr 1993-7-1 181 Siskiyou Butte Valley Wildlife Area, +/- 7 air miles NW of the town of MacDoel. Meadow NW of Meiss Lake. 1349 Comment
  CHSC88373  Eleocharis coloradoensis Jenny Marr 1993-7-1 179 Siskiyou Butte Valley Wildlife Area, +/- 7 air miles NW of the town of MacDoel. Meadow NW of Meiss Lake. 1349 Comment
  HSC98409  Eleocharis decumbens Frederick W. Oettinger, R. F. Thorne 1969-8-4 1181 Siskiyou Marble Mtn. Wilderness Area, N of Tobacco Lake 1890 Comment
  CHSC86646  Eleocharis macrostachya Jenny Marr 1993-7-1 29 Siskiyou Butte Valley Wildlife Area, +/- 7 air miles NW of the town of MacDoel. Meadow NW of Meiss Lake. 1349 Comment
  SEINET9084219  Eleocharis obtusa var. engelmannii L. Ahart, V. Oswald 1997-7-28 8808 Siskiyou E side of FR 15, 109 miles N of Hwy 89. 1384 Comment
  CAS-BOT-BC112695  Eleocharis parishii Louis C. Wheeler 1934-8-31 3230 Siskiyou Lund Ranch, W Fork Beaver Creek. 1066 Comment
  CHSC107110  Eleocharis parishii R. E. Brainerd 2009-7-23 1573 Siskiyou Klamath Mountains, 4.4 air miles east of Callahan, north side of Scott Mountain, 1.5 miles north of Scott Mountain Pass on State Highway 3. UTM Zone 10 523244E 4571568N. 1426 Comment
  CHSC91390  Eleocharis rostellata Lowell Ahart; John Dittes 2005-6-10 12097 Siskiyou Steep slope, 30 yards east of the Shasta River, near the south fence, 100 yards south of the pump house along the Shasta River, about 1.9 miles (air) south of Highway 99/97 Cutoff, about 6 miles (air) east-southeast of Grenada. 776 Comment
  CAS-BOT-BC227914  Elymus elymoides Peter H. Raven 1956-9-4 10421 Siskiyou Summit of Mt. Eddy 2758 Comment
  POM359942  Elymus elymoides M. B. Dunkle 1945-1 9323 Siskiyou Klamath National Forest, Marble Mountains. 2439 Comment
  SEINET12739839  Elymus elymoides G. D. Butler 1910-5-4 1278 Siskiyou Near Yreka. Comment
  HSC21979  Elymus elymoides var. elymoides J. O. Sawyer 1969-7-9 1206 Siskiyou Near C.C.C. road, N of Sugar Creek 1433 Comment
  HSC25414  Elymus elymoides var. elymoides J. P. Smith, J. O. Sawyer, Maralyn O'Meara 1972-7-3 5661 Siskiyou Ridge E of Cook and Green Pass. 1524 Comment
  HSC27025  Elymus elymoides var. elymoides J. P. Smith, J. O. Sawyer 1972-9-12 5765 Siskiyou Scott Mtn., 1/2 mile E of Scott Mtn. Rd. (Hwy. 3). 1646 Comment
  CAS-BOT-BC206610  Elymus glaucus subsp. glaucus Doris K. Kildale 1929-7-21 8750 Siskiyou Elk Lick, Sotuh Fork of Indian Creek 1219 Comment
  CAS-BOT-BC206603  Elymus glaucus subsp. glaucus W. R. Dudley 1901-8-23 s.n. Siskiyou East slope of Foxtail Ridge, Salmon Mountains Comment
  HSC41378  Elymus multisetus J. P. Smith 1976-5-22 8786 Siskiyou Callahan Rd. along the E side of Scott Valley 1037 Comment
  RSA591598  Elymus multisetus L. C. Wheeler 1934-10-21 3328 Siskiyou Shasta Valley 4 mi E Grenada 869 Comment
  HSC92387  Elymus spicatus Jennifer Whipple 1976-7-24 1550 Siskiyou Mt. Eddy, SW of Dobkins Lake 2256 Comment
  UCD62631  Elymus trachycaulus subsp. subsecundus Beecher Crampton 1956-8-22 3867 Siskiyou Wagon Camp Road, north of Everitt Hill, lower southern slope of Mt. Shasta. 1645 Comment
  POM251085  Epilobium angustifolium subsp. circumvagum W. Bridge Cooke 1938-8-22 11329 Siskiyou Mt. Shasta 1433 Comment
  CAS-BOT-BC94896  Epilobium brachycarpum R. C. Wenk 2005-7-19 320 Siskiyou Along Pacific Crest Trail, 1-2 mi. S of parking lot at top of pass on N.F.R. 17, going toward Mt. Eddy 2133 Comment
  POM251091  Epilobium brachycarpum W. Bridge Cooke 1938-7-22 11321 Siskiyou Mt. Shasta. 1372 Comment
  RSA31203  Epilobium brachycarpum W. Bridge Cooke 1940-7-12 15331 Siskiyou Along the Memorial Highway 1372 Comment
  CHSC97986  Epilobium ciliatum subsp. ciliatum Jennifer Whipple 1977-8-6 2242 Siskiyou Dale Creek drainage on the north face of Mount Eddy. Elevation 7200 to 7600 feet. 2255 Comment
  UC1191709  Epilobium ciliatum subsp. ciliatum Verne Grant and Irving Schneider 1947-8-25 8286 Siskiyou w side Tule Lake Comment
  UC873338  Epilobium ciliatum subsp. ciliatum W. Bridge Cooke 1942-9-5 16276 Siskiyou near MacBride Springs; Mt. Shasta Comment
  POM259018  Epilobium ciliatum subsp. ciliatum W. Bridge Cooke 1940-7-12 15320 Siskiyou In spring in Box Canyon of the Sacramento River near Mount Shasta City 915 Comment
  HSC78327  Epilobium ciliatum subsp. glandulosum L. P. Janeway 1983-8-6 507 Siskiyou Poker Flat, upper edge of NE side of meadow 1524 Comment
  RSA237401  Epilobium ciliatum subsp. glandulosum Frederick W. Oettinger 1968-9-6 766 Siskiyou Upper meadow, Tobacco Lake. The Salmon Mountains. The High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1890 Comment
  RSA211352  Epilobium glaberrimum subsp. fastigiatum William J. Ferlatte 1967-8-6 818 Siskiyou Head of Canyon Creek. Trinity Alps. 2134 Comment
  POM251082  Epilobium hallianum W. Bridge Cooke 1938-7-15 11208 Siskiyou Wagon Camp spring, Mt. Shasta. 1738 Comment
  RSA237576  Epilobium hallianum Frederick W. Oettinger 1969-8-19 1466 Siskiyou Between King David Mountain and Abbotts. The Salmon Mountains. The high lake basins in vicinity of English Peak, Marble Mountain Wilderness Area 1860 Comment
  JEPS25648  Epilobium hornemannii subsp. hornemannii Rimo Bacigalupi with Mr. and Mrs. Van Deventer 1959-7-9 7288 Siskiyou beside rill Poker Flat 1536 Comment
  HSC39817  Epilobium hornemannii subsp. hornemannii J. O. Sawyer 1969-7-27 1765 Siskiyou W of Little Duck Lake 2012 Comment
  RSA211355  Epilobium hornemannii subsp. hornemannii William J. Ferlatte 1967-8-20 1057 Siskiyou Caribou Basin, Sawtooth Ridge. 2043 Comment
  UC1122538  Epilobium minutum M. H. Mitchell 1936-5-22 Siskiyou Black Crater Modoc Lava Beds Natl. Monument, Dorris Quadrangle Comment
  SEINET10632317  Epilobium oreganum Alice Eastwood 1921-7-30 Eastwood 10999 Siskiyou Soda Creek Comment
  HSC42939  Equisetum hyemale subsp. affine J. O. Sawyer, Ken Stillman 1976-7-1 2773 Siskiyou Streamside terraces and lower slopes along the Little N Fork of the Salmon River. 732 Comment
  RSA603672  Eragrostis hypnoides L. C. Wheeler 1935-7-20 3675 Siskiyou Scott Valley: Scott river 1.5 miles west of Fort Jones. 822 Comment
  CAS-BOT-BC204624  Eragrostis mexicana subsp. virescens Louis C. Wheeler 1934-10-6 3314 Siskiyou Oak Knoll Ranger Station, Klamath River, Siskiyou Mts. 670 Comment
  RSA105403  Eremocarpus setiger G. D. Barbe 1955-7-1 068 Siskiyou 0.5 miles east of Etna near b urned lumber mill. 854 Comment
  HSC22141  Eremogone congesta J. O. Sawyer 1969-7-7 1074 Siskiyou S facing ridge above Big Duck Lake 2226 Comment
  CAS-BOT-BC174220  Eremogone congesta var. congesta K. T. Stillman 1976-6-25 94 Siskiyou Marble Mountain Wilderness Area. Between Marble Gap & Elk Valley trail 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
  CHSC99721  Eremogone congesta var. suffrutescens L. P. Janeway 2008-7-24 9469 Siskiyou Klamath Ranges. Siskiyou Mountains; at end of short spur road into top of Alex Hole; 1.0 km east-southeast of Condrey Mountain. Shelf and north-facing cliff of hard metamorphic rock. 1975 Comment
  CAS-BOT-BC286700  Ericameria bloomeri A. A. Heller 1914-8-26 11722 Siskiyou At Weed 1066 Comment
  JEPS31342  Ericameria bloomeri Geo. D. Butler 1908-9-25 502 Siskiyou n of Goose Nest Mountains (Old Deter place) 1524 Comment
  POM211819  Ericameria greenei L. C. Wheeler 1934-8-24 3220 Siskiyou Trapper Creek. 1860 Comment
  RSA237445  Ericameria greenei Frederick W. Oettinger 1968-8-22 590 Siskiyou English Peak. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2226 Comment
  UC1408924  Ericameria greenei Frederick W. Oettinger 1968-8-22 590 Siskiyou English Peak Salmon Mountains, Marble Mountain Wilderness Area 2225 Comment
  CAS-BOT-BC299465  Ericameria nauseosa var. speciosa Louis C. Wheeler 1934-8-26 3223 Siskiyou Trapper Cr., Klamath National Forest 1859 Comment
  CHSC36118  Erigeron K. Bridwell 1978-7-6 169 Siskiyou N slope of Sheep Mountain, ca. 10 mi e of Macdoel. 1645 Comment
  CAS-BOT-BC293378  Erigeron acris var. kamtschaticus Wm. Bridge Cooke 1939-8-24 13911 Siskiyou Mount Shasta. On the east red ridge west of and above Panther Creek Meadows Comment
  HSC61779  Erigeron aliceae Ruby Van Deventer 1960-7-13 Siskiyou Poker Flat 1585 Comment
  UC581713  Erigeron aliceae Joseph P. Tracy 1935-8-4 14523 Siskiyou head of Plummer Creek (e of Mary Blaine Mt., at point called Snow Prarie); , Snow Prarie 1828 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
  UC455846  Erigeron bloomeri var. bloomeri I. J. Condit 1911-7-28 Siskiyou summit of ridge between Castle Lake and Mount Bradley Comment
  JEPS101141  Erigeron bloomeri var. nudatus Dean W. Taylor 1996-6-18 15723 Siskiyou Scott Mountains; bordering Shasta Valley, hillslopes about 4 miles south of Gazelle; Shasta-Trinity National Forests 1524 Comment
  CAS-BOT-BC294896  Erigeron cervinus John Thomas Howell 1937-7-25 13447 Siskiyou Caribou Basin, Salmon-Trinity Alps 2286 Comment
  RSA238727  Erigeron cervinus Frederick W. Oettinger 1969-7-28 1080 Siskiyou WNW of and above Upper English Lake. Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2012 Comment
  CAS-BOT-BC297107  Erigeron compositus Wm. Bridge Cooke 1940-7-26 15384 Siskiyou Vicinity of Merriam's timberline on the west side of Shastina, Mount Shasta 2895 Comment
  CAS-BOT-BC297183  Erigeron concinnus var. concinnus A. A. Heller 1905-6-19 8063 Siskiyou Along the railroad near Grenada station Comment
  JEPS22364  Erigeron filifolius W. L. Jepson 1940-6-23 19993 Siskiyou e of Mayten (on e side of valley); Little Shasta Valley 883 Comment
  CAS-BOT-BC300473  Erigeron filifolius A. A. Heller 1938-7-12 15255 Siskiyou Near the western base of Deer Mountain 16 miles northeast of Weed on Highway #97 Comment
  CAS-BOT-BC300862  Erigeron glacialis var. glacialis John Thomas Howell 1937-7-25 13466 Siskiyou Caribou Basin, Salmon-Trinity Alps 2286 Comment
  CAS-BOT-BC295385  Erigeron inornatus A. A. Heller 1914-8-25 11717 Siskiyou Near Deetz station opposite Black Butte 1158 Comment
  JEPS41428  Erigeron inornatus var. inornatus Geo. D. Butler 1908-7-20 327 Siskiyou head of Long Gulch, near Yreka; Long Gulch Comment
  UC468824  Erigeron inornatus var. inornatus W. A. Setchell, C. C. Dobie 1902-7-2 Siskiyou Sisson Mount Shasta, Sisson Comment
  UC895896  Erigeron inornatus var. inornatus Alice Eastwood 1912-9-4 2098 Siskiyou Sisson Comment
  HSC29219  Erigeron inornatus var. inornatus Frederick W. Oettinger 1969-8-12 1348 Siskiyou Trail above Willow Springs between Abbott's Upper Cabin and English Lake 1677 Comment
  JEPS25854  Erigeron inornatus var. inornatus Rimo Bacigalupi with L. Constance and L. Heckard 1960-7-21 7486 Siskiyou overlooking headwaters of S. Fork of Scott River, just below road summit Cecilleville-Callahan road 1880 Comment
  CHSC84744  Erigeron petrophilus var. viscidulus L. P. Janeway 2003-8-9 7963 Siskiyou Klamath Ranges. Siskiyou Mountains between Cook and Green Pass and Red Butte. Serpentine slope overlooking uppermost fork of Seiad Creek. 1698 Comment
  CAS-BOT-BC300083  Erigeron philadelphicus W. B. Cooke; V. G. Cooke 1962-8-19 33551 Siskiyou McBride Springs, Mt. Shasta Comment
  UC135491  Erigeron pumilus var. intermedius A. A. Heller 1905-6-19 8063 Siskiyou Grenada Comment
  UCR42328  Eriogonum compositum G. R. Ballmer 1986-5-14 s.n. Siskiyou Hornbrook, at the exit from I-15 640 Comment
  JEPS80552  Eriogonum compositum var. compositum Gilbert Muth 1965-8-10 201 Siskiyou upper third to top of ridge, Marble Mt. Wilderness Area Marble Mt. Wilderness Area 2011 Comment
  HSC30409  Eriogonum compositum var. compositum Frederick W. Oettinger 1968-8-23 614 Siskiyou Marble Mtn. Wilderness area, Diamond Lake spillway on way to English Lake 2058 Comment
  HSC30509  Eriogonum compositum var. compositum Frederick W. Oettinger 1969-8-6 1254 Siskiyou Marble Mtns. Wilderness Area, New York Flumes between Pine Lake and Tom's Lake 1860 Comment
  HSC42984  Eriogonum compositum var. compositum J. P. Smith 1976-5-4 8667 Siskiyou SR 263 near junction with SR 96, above Shasta River 671 Comment
  CAS-BOT-BC246493  Eriogonum diclinum James L. Reveal; Mark L. Reveal 1975-8-15 3956 Siskiyou Siskiyou Mountains, Klamath National Forest, along the Dry Lake Lookout Road (Forest Service Road 40S01), 0.5 mile west of Dry Lake Lookout near the Buckthorn Trail 2042 Comment
  UC1475704  Eriogonum diclinum Clifton and Ground 1978-7-30 2450 Siskiyou near Alex Hole (close to the town of Klamath River); Condrey Mt. Quadrangle 2122 Comment
  HSC75191  Eriogonum elatum K. T. Stillman 1976-9-9 488 Siskiyou Marble Mtn. Wilderness area Comment
  JEPS83630  Eriogonum hirtellum R. Raiche 1987-7-28 70543 Siskiyou between Polar Bear Mt. and Lookout Mountain (at Del Norte Co. line); Polar Bear Gap 1737 Comment
  UC375308  Eriogonum luteolum var. luteolum Geo. D. Butler 1908-7-5 200 Siskiyou Humbug road near Yreka Comment
  SD53332  Eriogonum marifolium D. F. Howe 1962-8-6 3404 Siskiyou Mt. Shasta 2438 Comment
  UC912728  Eriogonum marifolium Lewis S. Rose 1937-7-25 37588 Siskiyou s slope of Mt. Shasta Mt. Shasta 1767 Comment
  CAS-BOT-BC263191  Eriogonum marifolium var. cupulatum C. G. Pringle 1881-8-17 s.n. Siskiyou Mount Shasta 2438 Comment
  CAS-BOT-BC267390  Eriogonum marifolium var. marifolium A. A. Heller 1939-7-31 15429 Siskiyou Junction of the Horse Camp and Panther Meadow roads. Mt. Shasta 2286 Comment
  CAS-BOT-BC94474  Eriogonum nudum R. C. Wenk 2005-7-19 342 Siskiyou Along Pacific Crest Trail, between Deadfall Lakes and pass below Mt. Eddy 2407 Comment
  CAS-BOT-BC261620  Eriogonum nudum var. nudum R. Tofsrud; J. M. Tucker 1948-8-2 1753 Siskiyou Outskirts of McCloud Comment
  CDA22628  Eriogonum nudum var. nudum T. C. Fuller 1962-8-3 9504 Siskiyou Siskiyou Mountains; 200 yards up Raggedass Gulch, east of Beaver Creek, 5 miles north of the Klamath River. 0 Comment
  JEPS56652  Eriogonum nudum var. nudum W. L. Jepson 1914-8-13 5788 Siskiyou Lessin 1097 Comment
  CAS-BOT-BC269739  Eriogonum nudum var. oblongifolium Doris Overman 1919-9-1 s.n. Siskiyou Yreka Comment
  RSA78841  Eriogonum nudum var. oblongifolium P. A. Munz 1952-7-3 17919 Siskiyou Ft. Goff Public Camp, Klamath River 366 Comment
  UCR93353  Eriogonum nudum var. pubiflorum Kathy Harper, Dane Karr 1994-6-16 s.n. Siskiyou Modoc National Forest, Forest Road 49 (Lava Beds/Medicine Lake Road), c. 1 mi north of southern boundary of Lava Beds National Monument 1402 Comment
  CAS-BOT-BC272478  Eriogonum nudum var. pubiflorum Elmer I. Applegate 1935-6-10 9473 Siskiyou Thomas massacre area, Lava Beds National Monument Comment
  CAS-BOT-BC272486  Eriogonum nudum var. pubiflorum L. R. Abrams 1926-7-4 11235 Siskiyou 1 mile west of Shasta City on road to Abrams Lake Comment
  SD22390  Eriogonum nudum var. pubiflorum Susan G. Stokes 1932-7-14 Siskiyou Near Yreka Comment
  SD22537  Eriogonum nudum var. pubiflorum Susan G. Stokes 1932-7-14 Siskiyou Near Dorris Comment
  SD51282  Eriogonum nudum var. pubiflorum Darley F. Howe 1961-8-3 Siskiyou 20.3 miles east of Happy Camp on #96 548 Comment
  SDSU6761  Eriogonum pyrolifolium D. F. Howe 1962-8-6 3411 Siskiyou Mt. Shasta, Shasta National Forest. 2438 Comment
  UC1215080  Eriogonum pyrolifolium Paul C. Hutchison 1962-8-2 928 Siskiyou between top of ski lift and Panther Meadow; Mt. Shasta 2438 Comment
  CHSC1331  Eriogonum sphaerocephalum var. halimioides J. Wakeman 1963-6-15 Siskiyou Yreka Hill. Comment
  SEINET5331617  Eriogonum sphaerocephalum var. halimioides G. Butler 1910-5-27 1428 Siskiyou Near Yreka. Comment
  RSA734379  Eriogonum strictum subsp. proliferum Lester Rowntree 1937-8-5 s.n. Siskiyou Between Etna Mills and Ft. Jones. Comment
  HSC17425  Eriogonum strictum var. greenei Dorothy Parker 1949-6-30 326 Siskiyou Along Kidder Creek, Scott Valley 857 Comment
  HSC103626  Eriogonum strictum var. greenei Thomas W. Nelson, Jane Nelson 1983-8-12 7587 Siskiyou Along Forest Service Rd. 40N02, ~ 1 mile north of junction with State Route 3 at Scott Mountain Summit 1646 Comment
  UC164080  Eriogonum strictum var. proliferum Geo. D. Butler 1909-6-19 970 Siskiyou Yreka Comment
  UC164295  Eriogonum strictum var. proliferum Geo. D. Butler 1910-5-27 1417 Siskiyou near Yreka Comment
  UC1072717  Eriogonum strictum var. proliferum Douglas Barbe 1955-6-28 12 Siskiyou 0.3 mi n Callahan; Klamath Mountains 1005 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
  RSA420577  Eriogonum umbellatum var. argus Louis C. Wheeler 1934-9-1 3234 Siskiyou Siskiyou Mountains, Jaynes Canyon. 1951 Comment
  CAS-BOT-BC268152  Eriogonum umbellatum var. humistratum Arthur Menzies 1962-7-21 s.n. Siskiyou Mt. Eddy 2529 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
  UC1185944  Eriogonum umbellatum var. modocense L. E. Detling 1950-6-10 6625 Siskiyou nr. Dry Gulch; Shasta R. Canyon 777 Comment
  CAS-BOT-BC265199  Eriogonum umbellatum var. nevadense A. A. Heller 1922-7-14 13684 Siskiyou Near Pumice Stone Mountain Comment
  HSC66398  Eriogonum umbellatum var. polyanthum Maralyn A. Renner 1980-8-21 2603 Siskiyou SW of trail from Leroy Mine to Sunrise Basin near ridge 2287 Comment
  UC454344  Eriogonum vimineum I. J. Condit 1911-7-13 Siskiyou bank of Sacramento River, Dunsmuir Sacramento River, Dunsmuir Comment
  UC711888  Eriogonum vimineum Roxana S. Ferris and Laura Lorraine 1941-8-12 10509 Siskiyou at Petroglyphs n end of Tule Lake, n boundary of Modoc Lava Beds National Monument Modoc Lava Beds National Monument, Tule Lake Comment
  UC971920  Eriogonum vimineum Herbert L. Mason 1950-7-15 14040 Siskiyou stream wash, Scott Creek Scott Valley, Scott Creek Comment
  CAS-BOT-BC262383  Eriogonum vimineum L. R. Abrams 1927-9-11 12144 Siskiyou Fork of Klamath and Shasta Rivers Comment
  POM105146  Eriogonum vimineum Geo. D. Butler 1910-7-31 1806 Siskiyou Summer Fallow Fish near Yreka Comment
  HSC68437  Eriophorum crinigerum Maralyn A. Renner 1980-7-4 1394 Siskiyou Near trail about 0.25 mi. below Rattlesnake Meadow. 1585 Comment
  HSC98412  Eriophorum crinigerum L. P. Janeway 1982-8-14 138 Siskiyou Elk Wallow 1677 Comment
  UCD132177  Eriophyllum lanatum Wm. E. Moon 1958-5-29 s.n. Siskiyou State Highway 97, 12 miles northeast of Weed. 1219 Comment
  CAS-BOT-BC301142  Eriophyllum lanatum var. achilleoides Alice Eastwood 1923-5-23 11934 Siskiyou Cantara Comment
  UC163891  Eriophyllum lanatum var. achilleoides Geo. D. Butler 1910-5-23 1399 Siskiyou Humbug Mountain 1066 Comment
  UC643286  Eriophyllum lanatum var. achilleoides W. Bridge Cooke 1940-6-4 15027 Siskiyou between US97 and Bolam Station (along an old logging road on the n side of the mountain); Mount Shasta 1219 Comment
  CAS-BOT-BC301123  Eriophyllum lanatum var. achilleoides L. E. Smith 1914-4-25 640 Siskiyou Yreka Comment
  JEPS34485  Eriophyllum lanatum var. grandiflorum Willis L. Jepson Jul 24 1894-Aug 10 1894 14571 Siskiyou Shasta Springs Upper Sacramento region, Shasta Springs Comment
  HSC22490  Eriophyllum lanatum var. integrifolium J. O. Sawyer 1969-7-9 1106 Siskiyou Between Horse Range and Little Duck Lake 2354 Comment
  JEPS47724  Eriophyllum lanatum var. integrifolium W. B. and V. G. Cooke 1966-7-16 37211 Siskiyou road above Black Butte Station; Mt. Shasta 1219 Comment
  HSC81986  Eriophyllum lanatum var. lanceolatum Thomas W. Nelson, Jane P. Nelson 1979-6-16 4871 Siskiyou Along SR 3, 2.2 mi. N of Scott Mtn. Summit 1341 Comment
  RSA12494  Eriophyllum lanatum var. lanceolatum C. B. Wolf 1934-7-4 5943 Siskiyou Horse Creek Road to Dry Lake Lookout, Siskiyou Mountains, 13.5 miles from Horse Creek Bridge on Klamath River 1524 Comment
  SEINET3892024  Eriophyllum lanatum var. lanceolatum P. Burchstead 2008-6-12 16340 Siskiyou Scott Valley, South Kidder Creek, Klamath Region; west of Greenview on north side of Hwy 3, between Ft. Jones and Etna.; 0 860 Comment
  SEINET8687384 Image available Eriophyllum lanatum var. lanceolatum G. D. Butler 1910-6-23 1602 Siskiyou Yreka Creek Comment
  UC375422  Erodium cicutarium Geo. D. Butler 1908-6-24 1032 Siskiyou Yreka Comment
  CAS-BOT-BC54589  Erysimum capitatum Carl B. Wolf 1927-8-27 1128 Siskiyou On the Klamath River, 7 miles below Happy Camp. Comment
  HSC64095  Erysimum capitatum var. capitatum J. P. Smith 1973-5-5 6484 Siskiyou Along Cook and Green Pass Rd. Comment
  HSC6754  Erysimum capitatum var. purshii R. C. Wunner 1965-6-10 139 Siskiyou California Lava Beds National Monument, E side of Caldwell Butte above Caldwell Minor 1463 Comment
  UC722224  Erysimum perenne C. L. Hitchcock and J. S. Martin 1939-7-9 5313 Siskiyou w side of ridge between King's Castle and Black Mt. 1828 Comment
  CHSC33275  Erysimum repandum R. E. Preston 1981-5-2 61 Siskiyou On a roadside cut, ca. 50 m n of Camp Creek where it joins Irongate Reservoir, ca. 32 km ne of Yreka. 700 Comment
  RSA74741  Erythronium grandiflorum subsp. grandiflorum Albert M. Vollmer, L. Beane 1951-6-2 85 Siskiyou Happy Camp, Klamath River Hwy. Comment
  UC454408  Erythronium klamathense I. J. Condit 1911-7-28 Siskiyou Castle Lake 1981 Comment
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Mar 5 2007
  UC146089  Eschscholzia californica T. H. Gilbert June 1899 Siskiyou Scott River Valley Comment
  CAS-BOT-BC403681  Eschscholzia californica Alice Eastwood No date on label 1955 Siskiyou Cantara Comment
  UC1409464  Eucephalus glabratus Frederick W. Oettinger 1968-8-16 548 Siskiyou Hancock Lake, vicinity of English Peak Salmon Mountains, Marble Mountain Wilderness Area, Hancock L 1935 Comment
  HSC69202  Eucephalus ledophyllus var. ledophyllus Maralyn A. Renner 1980-9-1 2686 Siskiyou Bear Mtn. 1936 Comment
  HSC65053  Euonymus occidentalis J. P. Smith, Steve Selva 1970-6-16 4089 Siskiyou 7 mi. W of Sawyers Bar on road to Forks of Salmon Comment
  RSA126073  Euonymus occidentalis I. L. Wiggins 1955-7-21 13438 Siskiyou Rush Creek Trail 2 mi. above Mt. View Ranch. 1098 Comment
  HSC449  Euphorbia crenulata William J. Ferlatte 1967-6-29 568 Siskiyou Along the Yellow Rose Mine Trail 1677 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
  UC668187  Euphorbia crenulata Joseph P. Tracy 1935-8-1 14410 Siskiyou ridge between Salmon River and New River (at extreme head of West Fork of Knownothing Creek, Rock Lake); Rock Lake, West Fork of Knownothing Creek 1889 Comment
  UC1034614  Euphorbia palmeri Douglas Barbe 1955-6-29 10 Siskiyou 0.2 mi n Callahan; Klamath Mountains 975 Comment
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Mar 8 2012
  JEPS31881  Eurybia integrifolia Milo S. Baker 1893-6 Siskiyou 6 mi below Bartles; McCloud River Comment
  CAS-BOT-BC310632  Eurybia radulina John Thomas Howell 1939-8-9 15246 Siskiyou Shackleford Creek Trail, Marble Mts. Comment
  HSC42923  Eurybia radulina Ken Stillman 1976-8-31 463 Siskiyou Along the Klamath River at Williams Point. 366 Comment
  HSC72193  Euthamia occidentalis J. P. Smith 1976-9-5 8985 Siskiyou In Scott Valley 671 Comment
  UCD65876  Festuca californica subsp. californica A. A. Beetle; G. L. Stebbins Jr. 1942-5-31 3441 Siskiyou Near Happy Camp above the Klamath River. Comment
  CAS-BOT-BC278725  Festuca idahoensis A. A. Heller 1916-6-23 12440 Siskiyou Near Black Butte north of Sisson 1127 Comment
  CAS-BOT-BC278726  Festuca idahoensis John Thomas Howell 1939-8-9 15240 Siskiyou Shackleford Creek Trail, Marble Mts. Comment
  CHSC71340  Festuca idahoensis Vernon H. Oswald; Lowell Ahart 1998-6-11 9193 Siskiyou Shasta NF plantation on the west side of Hwy. 97 2.2 mi northeast of Lake Shastina-Big Springs Rd., northeast of Weed. 1066 Comment
  LA13105  Festuca idahoensis J. R. Swallen; 1938-7-15 sn Siskiyou Mount Shasta, Along the road between Bear Springs and Wagon Camp 1676 Comment
  HSC43047  Festuca occidentalis J. O. Sawyer, K. T. Stillman 1976-7-1 2774 Siskiyou Streamside terraces and lower slopes along the Little N Fork of the Salmon River. 732 Comment
  UC818047  Festuca occidentalis A. A. Heller 1915-7-18 12123 Siskiyou ne base Mt. Eddy (Metcalf's Ranch) 1188 Comment
  UCD66131  Festuca occidentalis A. A. Beetle; G. L. Stebbins Jr. 1942-5-31 3614 Siskiyou 5 miles NE of Happy Camp above Klamath River. 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
  RSA451784  Fragaria californica M. B. Dunkle 1944-6-25 9026 Siskiyou Siskiyou National Forest Comment
  HSC73338  Fragaria vesca Gail Newton 1980-6-20 465 Siskiyou Near Bald Mtn. 1097 Comment
  JEPS44870  Fragaria vesca W. L. Jepson Jul 1894 13874 Siskiyou stage road between Sisson and Upton Comment
  CAS-BOT-BC447515  Fragaria virginiana var. platypetala John Thomas Howell 1937-7-23 13361 Siskiyou South Fork of Salmon River near Big Flat 1524 Comment
  HSC59639  Frangula californica J. P. Smith 1973-5-5 6566 Siskiyou Scott Bar along the Scott River Comment
  CAS-BOT-BC60024  Frangula purshiana John Thomas Howell 1937-7-24 13424 Siskiyou Caribou Basin, Salmon-Trinity Alpa. 2286 Comment
  CAS-BOT-BC55717  Frangula rubra subsp. obtusissima Wm. F. Herrin 1920-8-25 s.n. Siskiyou road to Mt. Eddy Comment
  SEINET10741456 Image available Frasera albicaulis subsp. nitida Edward L. Greene 1876-6-14 Greene 856 Siskiyou Collected near Yreka. Comment
  UC61684  Fraxinus latifolia Geo. B. Grant Sep 1904 5181 Siskiyou Dunsmuir Mount Shasta 609 Comment
  HSC91455  Fritillaria atropurpurea Jennifer Whipple 1976-6-17 1018 Siskiyou N face of Mt. Eddy 2226 Comment
  JEPS116627  Fritillaria atropurpurea J. K. Nelson with Rhonda Posey, Mary Ellen Colberg, Twyla Miller 2006-5-19 2006 -11 Siskiyou North side of Mt. Shasta south of Hwy 97; Hotlum Fire area burned in Feb 2006 1100 Comment
  RSA607097  Fritillaria recurva Louis C. Wheeler 1935-6-9 3556 Siskiyou Yreka Creek, Siskiyou Mountains. 1220 Comment
  HSC68347  Galium aparine J. P. Smith 1973-5-5 6382 Siskiyou In and around the O'Neill Campground near Seiad Valley. 488 Comment
  UC336988  Galium aparine unknown Siskiyou near Shasta Comment
  HSC67746  Galium bifolium J. O. Sawyer, J. Cole 1980-7-21 3818 Siskiyou NW of Little Mt. Hoffman 1982 Comment
  UCR64602  Galium bolanderi L. C. Wheeler 1934-8-30 3228 Siskiyou Siskiyou Mountains: Trapper Creek 1585 Comment
  JEPS52699  Galium bolanderi G. L. Stebbins Jr. 1963-7-5 6131 Siskiyou 6 mi ne Sawyer's Bar; north Fork of Salmon River, Findley Camp 792 Comment
  SBBG18844  Galium bolanderi C. B. Hardham 1961-7-2 8051 Siskiyou banks of Scott River S of Steelhead Comment
  UC416640  Galium boreale subsp. septentrionale W. A. Setchell, C. C. Dobie 1902-7-23 Siskiyou The Bend McCloud River Comment
  RSA184794  Galium grayanum var. grayanum Gilbert Muth 1966-7-22 437 Siskiyou Marble Rim, Marble Mountains 2195 Comment
  NY131475  Galium serpenticum subsp. scotticum L. T. Dempster 1961-7-3 1877 Siskiyou About 2 miles below summit (i.e. E of) on road SW of Callahan. 1828.8 Comment
  RSA0005773  Galium serpenticum subsp. scotticum Lauramay T. Dempster, C. Hardham 1961-7-3 1877 Siskiyou about 2 miles below summit (i.e. east of) on road southwest of Callahan. 1829 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
  HSC27595  Garrya fremontii Carl W. Mize 1972-6-21 66 Siskiyou Along main trail 305 Comment
  HSC36708  Garrya fremontii Brent Whitely 1975-7-5 141 Siskiyou 213 Comment
  RSA300516  Garrya fremontii John Dourley, Walter Wisura 1982-10-17 3879 Siskiyou Mill Creek Ridge, ca. 18 mi N of Happy Camp, along old road up Indian Creek. 1524 Comment
  CAS-BOT-BC56237  Gaultheria humifusa Lester Rowntree 1937-7-26 s.n. Siskiyou Caribou Lake, Salmon Alps 2133 Comment
  HSC19178  Gaultheria humifusa J. O. Sawyer 1968-7-9 452 Siskiyou W of Little Duck Lake. 1936 Comment
  JEPS24022  Gaultheria ovatifolia Rimo Bacigalupi with Drs. Reino and Aloha Alava 1958-9-3 6884 Siskiyou at junction of Happy Camp - Takilma Road and Poker Flat Road; Siskiyou Mountains 1376 Comment
  HSC65346  Gaultheria ovatifolia Rich White 218 Siskiyou E of Sawtooth Trail and N of Dillon Trail 1502 Comment
  POM355398  Gayophytum diffusum subsp. parviflorum L. S. Rose 1937-7-28 37599 Siskiyou Shasta Springs 915 Comment
  UC20280  Gayophytum heterozygum F. W. Morse July 1886 Siskiyou Shasta Comment
  UC204395  Gayophytum heterozygum A. A. Heller 1914-8-25 11708 Siskiyou near Deetz Station (opposite Black Butte) 1158 Comment
  UC726664  Gayophytum humile A. A. Heller 1916-6-20 12409 Siskiyou Metcalf Ranch Mt. Eddy (ne base of mt.) 1188 Comment
  SEINET881860 Image available Gentiana plurisetosa S. K. Harris, C. C. Harris 1939-1 976 Siskiyou Half Moon Meadow, Marble Mt. Primitive Area. 1670 Comment
  RSA0034455  Geranium viscosissimum var. viscosissimum Geo. D. Butler 1910-6-6 1458 Siskiyou Quartz Valley. Comment
  UC722695  Geum triflorum C. L. Hitchcock, J. S. Martin 1939-7-9 5326 Siskiyou 1/2 mi se of King's Castle (Marble Mountains); Marble Mountains 1828 Comment
  UC163988  Gilia capitata subsp. capitata Geo. D. Butler 1908-8-6 32 Siskiyou along trail summit above Cold Spring Woolly Creek; above Cold Spring Woolly Creek Comment
  RSA0083762  Gilia sinuata Dean William 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
  CAS-BOT-BC282791  Glyceria leptostachya Louis C. Wheeler 1934-6-26 2797 Siskiyou Cottonwood Creek, Siskiyou Mts. 838 Comment
  CAS-BOT-BC282842  Glyceria striata C. F. Baker 1903-9-8 3795 Siskiyou Mt. Eddy Comment
  HSC31076  Glyceria striata Frederick W. Oettinger 1969-9-4 1651 Siskiyou Salmon Mtns., Tobacco Lake. 1890 Comment
  UCD85213  Glyceria striata R. Tofsrud 1950-7-1 s.n. Siskiyou E side of Mt. Shasta. Comment
  JEPS34001  Gnaphalium palustre George D. Butler 1908-7-16 314 Siskiyou Klamath River near Anderson's Ferry; Klamath River Comment
  UC202446  Grindelia hirsutula A. A. Heller 1917-9-7 12979 Siskiyou 10 mi s Gazelle (Shasta Valley); ; Shasta valley S of Gazelle, Siskiyou Co. 914 Comment
  CDA6053  Grindelia nana G. D. Barbe 1973-8-14 1703 Siskiyou Site of proposed quarantine station south of Mt. Shasta City, west side of Interstate 5. Comment
  HSC23596  Hackelia bella J. O. Sawyer 1969-7-18 1437 Siskiyou 1951 Comment
  HSC22134  Hackelia micrantha J. O. Sawyer 1969-7-9 1200 Siskiyou Near C.C.C. road, N of Sugar Creek 1433 Comment
  HSC25411  Hackelia micrantha J. P. Smith, J. O. Sawyer, Maralyn O'Meara 1972-7-3 5692 Siskiyou E slope of Kangaroo Mtn. above Toehead Lake. 1890 Comment
  UC164133  Hackelia micrantha Geo. D. Butler 1910-7-8 1678 Siskiyou Shackelford Creek 1371 Comment
  UC1713303  Hackelia micrantha Milo S. Baker 1893-8-9 Siskiyou Medicine Lake Comment
  RSA183748  Hackelia micrantha Gilbert Muth 1965-8-17 309 Siskiyou Marble Valley, Marbles Mts. Comment
  JEPS84096  Hackelia setosa L. R. Heckard with S. D'Alcamo, J. Hickman, S. Winchester 1986-7-15 6315 a Siskiyou Indian Creek Road from Takilma to Happy Camp (just s of state line) Comment
  RSA235927  Hackelia setosa J. L. Gentry Jr., David Vierig 1968-6-17 2062 Siskiyou Siskiyou County: Siskiyou Mtns, 20.9 miles N of Happy Camp) 2 miles from jct of HS Forest raods 196 & 1916B, onr road 1916. 1372 Comment
  HSC44863  Hastingsia alba J. P. Smith, Steve Selva 1970-6-15 3936 Siskiyou Road between Forks of Salmon and Cecilville. 579 Comment
  UC166573  Hastingsia alba Geo. D. Butler 1910-6-5 1482 Siskiyou Shackleford Creek Comment
  UC72277  Hastingsia alba Milo S. Baker 1899-8-4 Siskiyou Dead Horse Canyon Dead Horse Canyon (e Siskiyou County) Comment
  CAS-BOT-BC504603  Hastingsia alba Doris K. Kildale 1928-7-1 5332 Siskiyou Forks of Salmon, Salmon River Comment
  CAS-BOT-BC504610  Hastingsia alba Alice Eastwood 1921-7-24 10722 Siskiyou Castle Lake Comment
  SEINET12044227  Hastingsia alba L. S. Rose 1937-1 37398 Siskiyou Weed 945 Comment
  HSC69105  Hastingsia serpentinicola Maralyn A. Renner 1980-8-6 2302 Siskiyou Cracker Meadow 1555 Comment
  CAS-BOT-BC306738  Helenium bigelovii John Thomas Howell 1939-8-2 14860 Siskiyou Spirit Lake, Marble Mts. 1828 Comment
  CAS-BOT-BC306741  Helenium bigelovii Peter H. Raven 1956-9-5 10451 Siskiyou North Fork of Sacramento River 2194 Comment
  CAS-BOT-BC306747  Helenium bigelovii John Thomas Howell 1937-7-23 13344 Siskiyou South Fork of Salmon River near Big Flat 1524 Comment
  UC897321  Helenium bigelovii Alice Eastwood 1912-7-15 1088 Siskiyou McCloud Comment
  UCD132697  Helenium bigelovii J. M. Tucker 1974-7-28 4306 Siskiyou Haypress Meadows, Marble Mountain Wilderness Area. 1463 Comment
  UCR21117  Helenium bigelovii T. W. Fisher, R. E. Orth, Oatman 1974-6-26 s.n. Siskiyou McIntosh Ranch on the McCloud River near Bartle 1220 Comment
  SD76158  Helenium bigelovii Helen V. Witham 1969-10-9 557 Siskiyou Scott Mountains: Kangaroo Lake, edge of bog. 2100 Comment
Read comments
Jun 3 2008
  CAS-BOT-BC309575  Helenium puberulum Alice Eastwood 1921-7-24 s.n. Siskiyou Castle Lake Comment
  JEPS107102  Helianthella californica subsp. shastensis Barbara Ertter 1990-7-14 9324 Siskiyou Wagon Creek on e side of Mount Eddy, ca 4 air mi w of Mount Shasta City 1950 Comment
  JEPS90416  Hemizonella minima Dean Wm. Taylor with Glenn L. Clifton and Rexford E. Palmer 1987-6-7 9019 Siskiyou Saddle Hills Upper Modoc Plateau (s end) 1645 Comment
  SDSU4585  Hemizonia congesta subsp. clevelandii D. F. Howe 1977-7-2 4984 Siskiyou 7 miles west of Fort Jones on Scott River road. 671 Comment
  RSA612323  Herniaria hirsuta subsp. cinerea L. C. Wheeler 1935-5-1 3449 Siskiyou Yreka Creek. Siskiyou Mountains. (Mt. Diablo Mer.) 854 Comment
  HSC32478  Hesperocyparis bakeri J. P. Smith 1973-5-5 6433 Siskiyou Trail to the Siskiyou cypress stand, off the Cook and Green Pass Rd. Comment
  JEPS5823  Heterotheca oregona var. rudis Geo. D. Butler 1909-10-3 976 Siskiyou near Yreka (McNulty's field) Comment
  CAS-BOT-BC420707  Heuchera merriamii C. L. Hitchcock; J. S. Martin 1939-7-7 5285 Siskiyou Sanger Peak 1780 Comment
  JEPS50862  Heuchera merriamii Al Hobart 1967-8-8 Siskiyou just s Youngs Valley (on El Capitan, Siskiyou Mountains, westernmost Siskiyou County); Siskiyou Mountains, El Capitan, just s of Youngs Valley 1828 Comment
  UC1736422  Heuchera merriamii Dean W. Taylor 1999-8-12 17316 Siskiyou Mill Creek headwaters, Marble Mountains (ca. 4 miles W of Mugginsville, Quartz Valley) 1889 Comment
  CAS-BOT-BC420736  Heuchera merriamii Lester Rowntree 1936-7-13 s.n. Siskiyou Granite Creek, Trinity Mts. Comment
  RSA0063193  Heuchera merriamii William J. Ferlatte 1967-8-23 1093 Siskiyou Head of Kidd Creek. Trinity Alps. 2134 Comment
  CAS-BOT-BC420935  Heuchera micrantha var. diversifolia A. M. Vollmer; L. Beane 1951-6-2 50 Siskiyou Road betw. Streamline Lodge & Deer Camp, n. of Klamath River Highway Comment
  UCR66568  Heuchera rubescens L. C. Wheeler 1934-8-2 3012 Siskiyou Siskiyou Mtns, Head of Jaynes Canyon 2043 Comment
  CAS-BOT-BC424369  Heuchera rubescens C. S. Robinson 1927-7-28 107 Siskiyou Sequoia Forest. Grantie Gulch Long Mdw. 2987 Comment
  CAS-BOT-BC319677  Hieracium albiflorum Edward Lee 1934-8-13 1088 Siskiyou Watershed of West Branch of Indian Creek, Happy Camp to Waldo (Oregon) Road, Klamath National Forest 1463 Comment
  CAS-BOT-BC319679  Hieracium albiflorum A. A. Heller 1915-7-18 12122 Siskiyou Metcalf's Ranch northeast base of Mt. Eddy 1188 Comment
  JEPS19799  Hieracium albiflorum Rimo Bacigalupi with S. Galen Smith 1957-6-26 6019 Siskiyou between White Ridge and Scott Camp Ridge (about 11 mi sw of Mt. Shasta town, along road to Gumboot Lake); canyon of the South Fork of the Sacramento River 1219 Comment
  CAS-BOT-BC319692  Hieracium albiflorum P. A. Munz 1965-8-11 s.n. Siskiyou Upper meadows, Marble Valley Comment
  RSA245213  Hieracium albiflorum Carl W. Mize 1972-6-8 7 Siskiyou Forks of Salmon quad. 320 Comment
  RSA95170  Hieracium bolanderi J. T. Howell 1939-8-6 15097 Siskiyou Marble Mountains Comment
  JEPS25876  Hieracium greenei Rimo Bacigalupi with L. Constance and L. Heckard 1960-7-20 7461 Siskiyou above and due e of Twin Valley ((about 12 air mi nw of Happy Camp)); Siskiyou Mountains 1584 Comment
  CAS-BOT-BC316014  Hieracium nudicaule Alice Eastwood 1912-7-15 1083 Siskiyou McCloud Comment
  JEPS25593  Hieracium nudicaule Rimo Bacigalupi 1959-7-2 7225 Siskiyou near nort base of Caribou Mtn. (Big Flat Campground, headwaters of river, just s of low divide (Trinity Co) separating Coffee Creek drainage from that of Salmon River); South Fork of the Salmon River, Big Flat Campground 1508 Comment
  JEPS84328  Hieracium nudicaule L. R. Heckard with S. D'Alcamo, J. Hickman, S. Winchester 1986-7-16 6371 Siskiyou ca 1/2 mi e Red Butte summit (ca 7 mi nne of Seiad Valley, w of Cook and Green Pass) 1900 Comment
  HSC2411  Hieracium scouleri William J. Ferlatte 1966-8-5 340 Siskiyou Caribou Mtn. 2470 Comment
  HSC36470  Hieracium scouleri J. O. Sawyer 1969-8-18 1986 Siskiyou Along S Sugar Creek 1921 Comment
  HSC60908  Hieracium triste Al Hobart Siskiyou Black Butte Comment
  HSC36734  Holodiscus discolor Brent Whitely 1975-7-1 115 Siskiyou 671 Comment
  HSC91  Holodiscus discolor William J. Ferlatte 1967-8-20 1044 Siskiyou Caribou Basin, Sawtooth Ridge, steep, N-facing slope 2043 Comment
  UC1037416  Holodiscus discolor Douglas Barbe 1955-8-4 357 Siskiyou about 1/2 mi w of Big Flat (on the trail from Big Flat to Caribou Lake, Salmon Mountains); Salmon Mountains 1524 Comment
  CAS-BOT-BC152372  Holodiscus discolor var. discolor Alice Eastwood 1912-8-30 1990 Siskiyou Mount Eddy Comment
  CAS-BOT-BC150134  Holodiscus microphyllus var. glabrescens Elmer I. Applegate 1923-8-18 3852 Siskiyou West base of Hoffman Mountain, Medicine Lake Comment
  CAS-BOT-BC150143  Holodiscus microphyllus var. glabrescens E. B. Copeland 1903-10-11 3784 Siskiyou Mt. Eddy Comment
  HSC26577  Holodiscus microphyllus var. glabrescens J. P. Smith 1972-8-18 5750 Siskiyou Medicine Lake Glass Flow 2012 Comment
  CAS-BOT-BC285059  Hordeum marinum subsp. gussoneanum L. R. Short 1933-6-16 42 Siskiyou Klamath National Forest, S. side of Klamath R. 609 Comment
  HSC92566  Hordeum marinum subsp. gussoneanum M. A. Baker 1977-5-22 320 Siskiyou N facing slope of hill just S of Whipple Ranch 976 Comment
  CAS-BOT-BC284769  Hordeum murinum subsp. glaucum Dorothy Parker 1949-5-3 77 Siskiyou In McConahue Gulch, Scott Valley 914 Comment
  HSC10229  Hordeum vulgare R. C. Wunner 1965-8-14 423 Siskiyou Lava Beds N. M. Hovey Point. Comment
  CAS-BOT-BC143963  Horkelia daucifolia Alice Eastwood; John Thomas Howell 1934-4-20 1752 Siskiyou Near Yreka on Ft. Jones Road Comment
  CDA25947  Horkelia daucifolia T. C. Fuller 1962-5-18 8747 a Siskiyou West side of Shasta Valley, Giebner property, 2 miles south of Yreka. 0 Comment
  CAS-BOT-BC123401  Horkelia daucifolia subsp. latior John Thomas Howell 1937-7-29 13677 Siskiyou North slope of Scott Mts. 1676 Comment
  JEPS47181  Horkelia fusca subsp. parviflora W. L. Jepson 1940-6-28 20053 Siskiyou McCloud 990 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
  UC481107  Horkelia fusca subsp. parviflora Annie M. Alexander and Louise Kellogg 1911-7-16 251 Siskiyou S. Fork Salmon River 1524 Comment
  SBBG72545  Horkelia fusca var. brownii A. A. Heller 1927-8-1 14435 Siskiyou near Shasta City (Sisson) Comment
  CAS-BOT-BC539432  Horkelia tridentata var. tridentata Alice Eastwood 1922-10-18 11518 Siskiyou Shasta Springs Comment
  HSC796  Hosackia crassifolia William J. Ferlatte 1967-7-9 701 Siskiyou Kidd Creek Trail 1677 Comment
  UCD77834  Hosackia crassifolia Robert E. Preston 2001-6-23 1623 Siskiyou Klamath National Forest, n-facing slope of Rainbow Mtn, T42N R1W ne 1/4 Section 15 1706 Comment
  CAS-BOT-BC201131  Hosackia crassifolia W. R. Dudley 1893-6-20 s.n. Siskiyou Castle Crag [Crags] Trail near Mt. Shasta Comment
  CAS-BOT-BC312578  Hulsea nana Alice Eastwood 1912-8-30 2022 Siskiyou Mount Eddy Comment
  HSC66263  Hulsea nana M. S. Taylor 1980-8-19 3265 Siskiyou Paint Pot Crater 1921 Comment
  HSC93047  Hypericum anagalloides Jennifer Whipple 1976-7-23 1526 Siskiyou Dale Creek drainage on the N face of Mt. Eddy 2195 Comment
  RSA105441  Hypericum perforatum G. D. Barbe 1955-7-1 072 Siskiyou 1.3 miles east of Etna on the Westside Rd. to Callahan. 854 Comment
  CAS-BOT-BC206828  Iliamna bakeri Carl B. Wolf 1934-7-6 6029 Siskiyou Mt. Shasta, along Snow Line Road, 3 3/10 mi. from Mt. Shasta City 1524 Comment
  HSC65351  Ipomopsis aggregata Rich White 1978-7-20 265 Siskiyou Ridge top E of Raspberry Lake 1768 Comment
  UC23327  Ipomopsis aggregata unknown 1862-9-13 1368 Siskiyou near Mt. Shasta Upper Sacramento Comment
  HSC22108  Ipomopsis aggregata J. O. Sawyer 1969-7-16 1126 Siskiyou SW-facing slope W of Russian Lake 2210 Comment
  UC1409307  Ipomopsis aggregata Frederick W. Oettinger 1968-8-17 551 Siskiyou Pine Trail Salmon Mountains, Marble Mountain Wilderness Area, English P 2072 Comment
  CHSC63609  Ipomopsis aggregata subsp. formosissima Vernon H. Oswald; Lowell Ahart 1994-8-10 6463 Siskiyou FS 31 0.6 mi E of Ski Park Hwy. (FS 88), ca. 5 mi (air) NW of McCloud. Edge of road. 1584 Comment
  SEINET10950885  Ipomopsis aggregata subsp. formosissima Karen M. Meyer, Andrew Townesmith 2007-7-29 Meyer 172 Siskiyou Shasta-Trinity National Forest. 0.3 mi. on 40N25 Rd., off Siskiyou County Rd., A10/Everitt Memorial Hwy. 1805 Comment
  RSA114972  Ipomopsis aggregata subsp. formosissima E. K. Balls, Lee W. Lenz 1956-6-18 21803 Siskiyou 4.4 mi. e. of McCloud, State Hwy. 89 1037 Comment
  POM259367  Ipomopsis congesta J. T. Howell 1939-8-4 15047 Siskiyou Marble Rim, Marble Mts Comment
  JEPS94072  Ipomopsis congesta subsp. congesta Vernon H. Oswald and Lowell Ahart 1998-9-8 9612 Siskiyou ca. 30 air mi. n. Burney (Junction of USFS 3 & 24 ca. 2.5 mi. w.-s.w of Hambone Butte) 1310 Comment
  JEPS52326  Iris chrysophylla Wayne Roderick 1963-6-10 Siskiyou ca. 10 mi. e. McCloud Comment
  UC455195  Iris tenuissima I. J. Condit 1911-7-5 Siskiyou Mt. Bradley; from Shasta Retreat almost to summit 1828 Comment
  HSC100200  Isatis tinctoria J. P. Smith, , J. O. Sawyer, & R. J. Cole 2011-5-22 13165 Siskiyou Klamath National Forest, East Fork Campground. 735 Comment
  CAS-BOT-BC88666  Isatis tinctoria William Bridge Cooke 1940-6-20 15150 Siskiyou Along the Pacific Highway in the Klamath River gorge. 609 Comment
  OBI55481  Isatis tinctoria David J. Keil, Kathleen Keil 1992-7-21 23526 Siskiyou Klamath Natl Forest SE of Callahan. Forest Rd 40N08, 0.5 mi W of Scott Mtn rd (hwy 3) Comment
  SEINET13762155 Image available Isatis tinctoria T. C. Fuller 1960-5-26 4344 Siskiyou Roadside and hillslope, Greenhorn Creek, 1.5 mi. W. Yreka Comment
  RSA237981  Isoetes Frederick W. Oettinger 1968-8-5 708 Siskiyou Above Diamond Lake. The Salmon Mountains. The High Lake Basins in the vicinity of English Peak, Marble Mountain wilderness area. 2073 Comment
  UC400938  Isoetes bolanderi Geo. D. Butler 1908-8-3 256 A Siskiyou Log Lake, Shackleford Creek Log Lake Comment
  HSC28734  Isoetes bolanderi Frederick W. Oettinger 1968-8-1 345 Siskiyou Marble Mtn. Wilderness Area, inlet area of Hancock Lake 1936 Comment
  JEPS98784  Juncus Sue Pappalardo 1993-7-19 505 B Siskiyou about 4 mi SE of Bear Mountain Lookout (Forest Service road 40N38); Shasta Trinity National Forest, McCloud Ranger District 1320 Comment
  RSA768775  Juncus articulatus L. Ahart, John Dittes 2010-7-30 16962 Siskiyou Edge of the Shasta River, about 50-100 yards from the East Louie Road Bridge, Shasta Big Springs Ranch, 1.6 air miles southwest of Big Springs Lake, 4.6 air miles northwest of Dwinnel Dam, 5.7 air miles southeast of Grenada. 717 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
  JEPS66977  Juncus ensifolius Geo. D. Butler 1910-7-9 1734 Siskiyou Shackleford Creek 1219 Comment
  HSC30699  Juncus ensifolius Frederick W. Oettinger 1969-7-29 1104 Siskiyou Marble Mtn. Wilderness Area, N shore of Uncle's Lake 1845 Comment
  CAS-BOT-BC127620  Juncus mertensianus H. A. Thomas; J. H. Thomas 1954-7-24 4518 Siskiyou Salmon-Trinity Mountains. Vicinity of Rush Lake and Rush Creek Meadow. About 9 miles east of Cecilville. 1981 Comment
  RSA238905  Juncus mertensianus Frederick W. Oettinger 1969-9-2 1599 Siskiyou On the cool north side of English Peak. Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2165 Comment
  JEPS66999  Juncus nevadensis Geo. D. Butler 1910-6-20 1594 Siskiyou Yreka Comment
  RSA142676  Juncus nevadensis Phillip A. Munz 1960-8-22 24175 Siskiyou Panther Meadows, Mt. Shasta. 2317 Comment
  RSA238911  Juncus nevadensis Frederick W. Oettinger 1968-8-2 351 Siskiyou Slope just SW of Diamond Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2073 Comment
  HSC71132  Juncus nevadensis var. nevadensis Thomas W. Nelson, Jane Nelson, J. P. Smith 1978-7-24 4496 Siskiyou Along W side of Hwy. 3 just N of Scott Mtn. Summit 1616 Comment
  CAS-BOT-BC80908  Juniperus Mrs. G. Earle Kelly 1924-6-1 s.n. Siskiyou Eagle ridge, Klamath L. 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
  SD76159  Juniperus communis var. saxatilis Helen V. Witham 1969-10-5 564 Siskiyou Salmon Mountains, Duck Lake 1950 Comment
  CAS-BOT-BC81233  Juniperus occidentalis Doris Overman 1919-9-1 s.n. Siskiyou Yreka Comment
  CAS-BOT-BC81235  Juniperus occidentalis Edward Lee 1934-8-9 1014 Siskiyou Above Shasta Creek, 6 miles north of Yreka Comment
  JEPS48300  Juniperus occidentalis W. L. Jepson 1940-6-23 19966 Siskiyou e of Mayton (e side of Little Shasta Valley, in Juniper colony); Little Shasta Valley 883 Comment
  UC139956  Juniperus occidentalis Copeland 1909-7-4 3545 Siskiyou Klamath<a?> Pacific Coast Comment
  POM120220  Juniperus occidentalis var. occidentalis Geo D. Butler 1908-8-16 227 Siskiyou Near Yreka 915 Comment
  CAS-BOT-BC235864  Keckiella corymbosa Carl B. Wolf 1927-8-27 1 w125 Siskiyou On the Klamath River, 4 mi. below Happy Camp Comment
  UC1190128  Keckiella corymbosa Ira L. Wiggins 1955-7-31 13593 Siskiyou between Cecilville and Forks of Salmon (hillside along South Fork of Salmon River); South Fork of Salmon River Comment
  UC160458  Keckiella lemmonii I. J. Condit 1911-7-13 Siskiyou Dunsmuir Comment
  UC887149  Keckiella lemmonii Alice Eastwood 1917-9-2 6635 Siskiyou Shasta Springs Comment
  HSC67714  Kelloggia galioides John Palmer 1980-7-24 614 Siskiyou Klamath National Forest, Elk Hole 1503 Comment
  HSC82202  Kelloggia galioides Thomas W. Nelson, Jane P. Nelson 1980-7-5 5967 Siskiyou Fowler's Campground 1006 Comment
  JEPS82322  Kelloggia galioides Roger Raiche 1982-7-8 20589 A Siskiyou above Lily Pad Lake; Cook and Green Pass 1828 Comment
  UCD121986  Kelloggia galioides R. Tofsrud; J. M. Tucker 1948-8-4 1785 Siskiyou ca. 1 1/2 miles northwest of McCloud. Comment
  LA208510  Kelloggia galioides W. B. C.; 1937-7-23 9109 Siskiyou Mount Shasta, Along Sisson Southern Trail 1981 Comment
  SD64363  Kochia scoparia Darley F. Howe 1966-8-27 4308 Siskiyou 3.2 miles north of Tule Lake. 1310 Comment
  CDA3148  Kochia trichophylla Don Shaw 1971-9-19 Siskiyou South of Yreka 0 Comment
  UCD85701  Koeleria macrantha A. A. Beetle; G . L. Stebbins Jr. 1942-5-31 3424 Siskiyou 3 miles south of Yreka. Comment
  RSA578033  Koeleria macrantha L. C. Wheeler 1935-6-30 3630 Siskiyou Shasta Valley, 3 miles S of Grenada. 793 Comment
  CAS-BOT-BC499658  Kopsiopsis strobilacea John Thomas Howell 1939-8-6 15096 Siskiyou Marble Mts.: Elk Mt. Comment
  RSA0078643  Kopsiopsis strobilacea Frederick W. Oettinger 1968-8-18 572 Siskiyou On the SW running ridge of Little Medicine Mt. due north of Tobacco Lake. 1920 Comment
  RSA0087948  Kopsiopsis strobilacea Marion Ownbey, Fred G. Meyer 1940-7-7 2220 Siskiyou Summit of Cayenne Ridge, Marble Mountain. Comment
  CAS-BOT-BC340373  Kyhosia bolanderi C. G. Pringle 1882-9-7 s.n. Siskiyou About Mt. Shasta Comment
  HSC5888  Lactuca serriola R. C. Wunner 1965-8-14 414 Siskiyou California Lava Beds National Monument; near old shoreline of Tule Lake 1220 Comment
  SEINET11446755 Image available Lagophylla ramosissima G. D. Butler 1910-6-2 1448 Siskiyou Yreka Comment
  UCD133625  Lagophylla ramosissima P. B. Kennedy 1922-8-29 s.n. Siskiyou Scott Valley. Comment
  CAS-BOT-BC204930  Lathyrus Roxana S. Ferris; Laura Lorraine 1948-6-12 11809 Siskiyou At Mule Creek crossing of Scott Mountain Road 1524 Comment
  CAS-BOT-BC204987  Lathyrus jepsonii var. californicus W. R. Dudley 1905-8-3 s.n. Siskiyou By Sacramento River Comment
  RSA0069323  Lathyrus nevadensis subsp. nevadensis Dean Wm. Taylor, Tom Engstrom 2005-7-12 19384 Siskiyou Antelope Creek; along unnamed tributary that drains from Rainbow Mountain, just upstream from the crossing of Forest Road 42N16. 1697 Comment
  UC164285  Lathyrus nevadensis var. nevadensis Geo. D. Butler 1910-6-19 1588 Siskiyou Goosenest foothills Goosenest 1524 Comment
  SDSU4203  Lathyrus nevadensis var. nevadensis D. F. Howe 1972-7-5 4874 Siskiyou 0.6 miles south of Oregon state line on road to Happy Camp. Comment
  RSA105420  Lemna G. D. Barbe 1955-6-29 50 Siskiyou 4.1 miles southeast of Etna on the Eastside road 915 Comment
  CHSC72244  Lemna minor Vernon H. Oswald; Lowell Ahart 1998-9-16 9640 Siskiyou Hwy. 161 adjacent to a marsh at the Lower Klamath NWR 5.3 mi east of Hwy. 97. 1243 Comment
  CHSC33171  Lepidium campestre R. E. Preston 1981-5-2 54 Siskiyou At Camp Creek Recreation Area, on Irongate Reservoir, ca. 32 km ne of Yreka. 700 Comment
  CAS-BOT-BC88859  Lepidium campestre R. E. Frenkel 1964-7-13 669 Siskiyou Just north of Everitt Memorial Highway at the sign marking Alice M. Zender Memorial Grove. 1371 Comment
  HSC64057  Lepidium campestre J. P. Smith, Steve Selva 1970-7-17 4427 Siskiyou Along Klamath River. Comment
  RSA299472  Lepidium campestre J. P. Smith 1973-5-5 6571 Siskiyou Weed lots of Etna. 793 Comment
  HSC101560  Lepidium chalepense J. P. Smith, J. O. Sawyer 2010-5-6 12814 Siskiyou Roadside along Klamath River 536 Comment
  SEINET10767893 Image available Lepidium dictyotum var. acutidens Edward L. Greene 1876-4-28 Greene 725 Siskiyou Collected near Yreka. Comment
  JEPS53718  Lepidium perfoliatum W. L. Jepson 1940-6-23 19985 Siskiyou e of Mayten (e side of Little Shasta Valley); Little Shasta Valley 883 Comment
  HSC6831  Lepidium perfoliatum R. C. Wunner 1965-6-13 153 Siskiyou California Lava Beds National Monument, across Devil's Homestead 1296 Comment
  SDSU3139  Leptodactylon pungens D. F. Howe 1977-7-5 5002 Siskiyou 15 miles SE of Granada. 1219 Comment
  POM208354  Leptosiphon ciliatus L. C. Wheeler 1934-6-11 2688 Siskiyou Siskiyou Mts., Mt. Diablo Mer., North Hungry Creek 1220 Comment
  POM74194  Leptosiphon filipes Edward Palmer 1892-7-13 s.n. Siskiyou Mt. Shasta and vicinity. Comment
  HSC78250  Leptosiphon harknessii L. P. Janeway 1983-7-31 475 Siskiyou Poker Flat, upper portion of meadow. 1524 Comment
  HSC30426  Leptosiphon harknessii Frederick W. Oettinger, R. F. Thorne 1969-8-8 1294 Siskiyou Marble Mtn. Wilderness Area, Sundew Bog near English Lake 1829 Comment
  HSC95468  Lessingia nemaclada G. Fred Hrusa 1997-9-18 14103 Siskiyou At intersection of Hwy. 3 and Callahan/ Gazelle Rd. 1000 Comment
  JEPS20647  Lessingia nemaclada Geo. D. Butler 1908-8-2 341 Siskiyou Greenview Scott Valley Comment
  JEPS24809  Lessingia nemaclada Rimo Bacigalupi with Drs. Reino and Aloha Alava 1958-9-2 6818 Siskiyou 7 mi e Callahan 1127 Comment
  OBI55491  Lessingia nemaclada David J. Keil, Kathleen Keil 1992-7-21 23555 Siskiyou Klamath NF SE of Callahan. Forest Rd 40N08, 5 mi W of Scott Mtn rd (hwy 3) Comment
  HSC30488  Leucothoe davisiae Frederick W. Oettinger 1968-8-1 347 Siskiyou Marble Mountain Wilderness Area, N end of Little Hancock Lake 2043 Comment
  HSC4872  Leucothoe davisiae J. O. Sawyer 1968-6-25 342 Siskiyou Along Horse Range Creek 1646 Comment
  SEINET8566352 Image available Lewisia columbiana Unknown 1991-5-30 Siskiyou Collected in dry rocky area of woods Klamath National Forest, Siskiyou County, in northwestern California. West Branch (2200 ft) a Forest Service Camp Ground or Poker Flats (5200 ft) a high mountain meadow 671 Comment
  UC163730  Lewisia cotyledon var. cotyledon Geo. D. Butler 1908-8-7 1 Siskiyou divide between <Woo?>lly and Independence Creek Comment
  UC164414  Lewisia cotyledon var. heckneri Geo. D. Butler 1910-6-5 1527 Siskiyou Log Lake Comment
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Jun 6 2012
  CAS-BOT-BC444085  Lewisia leeana Doris K. Kildale 1915-8-26 12218 Siskiyou Near the source of Wagon Creek, Mt. Eddy 2590 Comment
  RSA601899  Lewisia nevadensis L. C. Wheeler 1935-7-23 3682 Siskiyou Siskiyou Mountains: Mt. Diablo Mer.; Mud Springs, Middlehell Creek. 2011 Comment
  JEPS82461  Lewisia triphylla Gilbert Muth 1966-7-14 388 Siskiyou flat above Marble Valley (Marble Gap Trail); Marble Mt. Wilderness Area 1828 Comment
  CAS-BOT-BC283811  Leymus cinereus Geo. D. Butler 1910-6-13 1561 Siskiyou Near Yreka Comment
  CAS-BOT-BC283819  Leymus cinereus Elmer I. Applegate 1935-6-5 9302 Siskiyou Capt. Jack's Stronghold, Lava Beds National Monument Comment
  CDA32461  Leymus cinereus T. C. Fuller 1958-6-19 1808 Siskiyou Fence row adjacent to open pasture, 3 miles northeast of Montague 0 Comment
  SEINET10595920  Leymus triticoides Louis C. Wheeler 1935-7-13 Wheeler 3662 Siskiyou Dry silty loam. Ager. 792 Comment
  CDA41063  Ligusticum apiifolium G. F. Hrusa 1998-7-5 14689 Siskiyou Siskiyou Mountains; Bear Creek Rd. +- 1/2 mi. N of Hwy 96 and 10 mi. SW of Happy Camp. Sheet 2 of 2 Comment
  RSA237412  Ligusticum californicum Frederick W. Oettinger 1967-8-13 252 Siskiyou Just below Tom Taylor Cabin Spring. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2043 Comment
  RSA261387  Ligusticum californicum J. M. Tucker 1974-7-28 4313 Siskiyou Adjacent to camp at Haypress Meadows, Marble Mountain Wilderness Area. 1463 Comment
  HSC96299  Ligusticum grayi Gordon Leppig 1998-8-13 1003 Siskiyou Klamath National Forest, Russian Wilderness, Little Duck Lake Fen 2200 Comment
  JEPS96247  Ligusticum grayi Barbara Ertter 1990-7-14 9342 Siskiyou ca. 4 airmiles w. Mt. Shasta City (Wagon Creek on e. side of Mt. Eddy, where several forks join before steep drop); Mt. Eddy, Wagon Creek 1828 Comment
  SEINET11121078  Lilaeopsis occidentalis L. C. Wheeler 1935-7-3 3645 Siskiyou Shasta River, 2 miles NW Montague. 765 Comment
  CAS-BOT-BC130519  Lilium Edna Kelsey 1961-8-1 s.n. Siskiyou Marble Mts. Comment
  HSC61925  Lilium bolanderi Al Hobart 1959-6-26 Siskiyou Poker Flat 1585 Comment
  CAS-BOT-BC130824  Lilium pardalinum Wm. Bridge Cooke 1938-7-15 11197 Siskiyou Bear Springs, also at Wagon Camp Comment
  CDA39353  Lilium pardalinum subsp. shastense T. C. Fuller 1960-7-25 4869 Siskiyou North limits Mt. Shasta City. 0 Comment
  HSC44604  Lilium pardalinum subsp. vollmeri Laura Witherspoon 1977-7-12 Siskiyou Flint Valley 1341 Comment
  JEPS62024  Lilium rubescens H. P. Chandler 1725 Siskiyou Shackleford Canyon Comment
  CAS-BOT-BC133026  Lilium washingtonianum subsp. purpurascens Wayne Roderick 1967-7-23 s.n. Siskiyou Between Lily Pad Lake and Cook & Green Pass 1676 Comment
  CAS-BOT-BC133095  Lilium washingtonianum subsp. washingtonianum Alice Eastwood 1912-8-28 1950 Siskiyou Cantara Comment
  SEINET1783230  Lilium wigginsii Unknown 1954-7-16 1266 Siskiyou Siskiyou Mountains near Oregon border W of Hwy 99. Comment
  HSC61141  Linum lewisii Al Hobart 1967-8-8 Siskiyou El Capitan Comment
  UC169897  Linum lewisii Harley P. Chandler June, 1901 1652 Siskiyou North Coast Ranges, Marble Mountain Marble Mountain; North Coast Ranges, Marble Mountain 2438 Comment
  JEPS84237  Listera caurina L. R. Heckard with J. Hickman et al. 1986-7-17 6523 Siskiyou e Condrey Mt.; Alex Hole region 1980 Comment
  POM168783  Listera convallarioides E. B. Copeland 1903-8-17 3928 Siskiyou Mount Eddy Comment
  RSA240069  Listera convallarioides Frederick W. Oettinger 1969-8-12 1334 Siskiyou At the Cedars, along the main North Fork Trail between Yellow Dog Creek and Abbotts Lower Cabin. The Salmon Mountains; the high lake basins in the vicinity of English Peak, Marble Mountain Wilderness Area 960 Comment
  JEPS46620  Lithocarpus densiflorus Rick Hermann Sep 1900 Siskiyou Slate Creek; Upper Sacramento River Comment
  CAS-BOT-BC36527  Lithocarpus densiflorus var. echinoides Wm. Bridge Cooke 1941-6-11 16028 Siskiyou along the Castle Lake Road 1219 Comment
  JEPS25672  Lithophragma campanulatum Rimo Bacigalupi with Mr. and Mrs. Van Deventer 1959-7-10 7317 Siskiyou at ridge-top marking Del Norte-Siskiyou County line which is followed by jeep road between Poker Flat and Twin Valley; Siskiyou Mts., bet Poker Flat and Twin Valley 1664 Comment
  CDA25416  Lithophragma glabrum T. C. Fuller 1958-4-16 Siskiyou Giebner property, 4 miles south of Yreka. 0 Comment
  HSC62131  Lithophragma heterophyllum Ruby Van Deventer 28 Jun [year missing] Siskiyou Raspberry Lake, 2 mi. W of Copper Mtn. Comment
  HSC64822  Lithophragma heterophyllum J. P. Smith 1973-5-5 6417 Siskiyou Along Cook and Green Pass Rd. Comment
  CAS-BOT-BC317337  Lithospermum californicum Antone J. Soares 1922-6-1 8553 Siskiyou Shasta Springs Comment
  UC1239633  Lithospermum californicum Joseph P. Tracy 1939-4-29 16275 Siskiyou 3 mi n mouth of Salmon River; Klamath River 243 Comment
  CDA40611  Lithospermum ruderale Vernon H. Oswald & Lowell Ahart 1998-6-11 9176 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
  UCD66313  Lolium perenne A. A. Beetle; G. L. Stebbins Jr. 1942-5-31 3425 Siskiyou 3 miles south of Yreka. Comment
  RSA237413  Lomatium dissectum var. multifidum Frederick W. Oettinger 1968-8-15 523 Siskiyou On east side of Hancock Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1951 Comment
  UC585160  Lomatium engelmannii E. B. Babcock, G. L. Stebbins Jr. 1936-6-13 2015 Siskiyou ca. 1 1/2 mi. w. Mt. Shasta City (e. and n.e. slope of spur of Rainbow Ridge above Sulloway Creek); Rainbow Ridge 1180 Comment
  CAS-BOT-BC211157  Lomatium howellii Doris K. Kildale 1929-7-20 8624 Siskiyou South Fork Indian Creek to Elk Lick 1219 Comment
  UC923160  Lomatium macrocarpum Freed W. Hoffman 1950-7-13 3287 Siskiyou Baldy Mountain Lookout North Coast Ranges, western Siskiyou Co. Comment
  SEINET193348  Lomatium nevadense var. nevadense Lincoln Constance, Reed C. Rollins 1942-5-14 2918 Siskiyou One mile east of Yreka. 762 Comment
  HSC37532  Lomatium nudicaule J. P. Smith 1974-5-26 7568 Siskiyou Along FS Rd. 47N03 1524 Comment
  RSA78834  Lomatium nudicaule P. A. Munz 1952-7-2 17912 Siskiyou West of Baldy Mountain L.O. 6 air miles west of Happy Camp, Siskiyou Mountains 1768 Comment
  UC1485809  Lomatium peckianum L. Constance 1982-4-23 3899 Siskiyou 4 miles N of Weed on Hwy 5, foot of Mount Shasta Edgewood, near; Mount Shasta 914 Comment
  UC166105  Lomatium piperi Geo. D. Butler Feb 14 1909-Feb 28 1909 578 Siskiyou near Yreka Comment
  CHSC79486  Lonicera ciliosa G. F. Hrusa 1998-7-5 14682 Siskiyou Northwest California. Siskiyou Mountains. S side of Little Grayback pass on Happy Camp-O'Brien Rd. Ca. side of State Boundary, nr. Indian Ck. Camp. 750 Comment
  HSC29345  Lonicera conjugialis Frederick W. Oettinger 1967-7-26 206 Siskiyou Ridge E of Hancock Lake, Hancock Lake Basin. 1982 Comment
  RSA211259  Lonicera conjugialis William J. Ferlatte 1966-7-7 191 Siskiyou Caribou Basin. Broad, open basin with scattered meadows and bare rock surfaces; Trinity Alps. 1982 Comment
  UC630399  Lonicera conjugialis Annetta Carter 1939-8-21 1478 Siskiyou 12 mi sw of Etna (above se end of Taylor Lake); Salmon Mountains 2072 Comment
  UC1045270  Lonicera interrupta W. Bridge Cooke 1940-6-20 15161 Siskiyou along the Pacific Highway Klamath River Gorge Comment
  UC454688  Lotus crassifolius var. crassifolius I. J. Condit 1909-8-23 Siskiyou near Sisson; Castle Lake Comment
  JEPS75371  Lotus oblongifolius var. oblongifolius Geo. D. Butler 1908-8-21 397 Siskiyou Etna Creek 1158 Comment
  UC637133  Lotus oblongifolius var. oblongifolius Annetta Carter 1934-8-13 703 Siskiyou Happy Camp to Waldo (Oregon road, watershed of West Branch of Indian Creek); Klamath National Forest, West Branch of Indian Creek 1371 Comment
  JEPS55748  Lotus purshianus var. purshianus W. L. Jepson Jul 1894 13777 Siskiyou Sisson Comment
  UC1561366  Lotus purshianus var. purshianus Barbara Ertter 1987-7-26 7324 Siskiyou 2.2 mi n Scott Mt. summit (on Hwy 3, at road junction, w of road) 1371 Comment
  UC375399  Lotus purshianus var. purshianus Geo. D. Butler 1910-6-27 1610 Siskiyou Yreka Comment
  UC618759  Lotus purshianus var. purshianus unknown 1938-7-1 11131 Siskiyou above Bear Spring; Mount Shasta 1676 Comment
  CAS-BOT-BC140210  Luetkea pectinata R. F. Thorne; Frederick W. Oettinger 1969-8-4 63365 Siskiyou Klamath National Forest, Salmon Mountains, Marble Mountain Wilderness Area, in the vicinity of English Peak. SE side of Diamond Lake 2072 Comment
  HSC76969  Luetkea pectinata K. T. Stillman 1976-7-30 310 Siskiyou Marble Mountain Wilderness Area, trail from Big Rock Camp to Jump off. 1982 Comment
  SEINET11546885 Image available Luetkea pectinata C. L. Hitchcock, J. S. Martin 1939-7-9 5328 Siskiyou 1/2 mile southeast of King's Castle; Marble Mountains 1829 Comment
  JEPS82111  Luina hypoleuca Rimo Bacigalupi with L. Constance and L. Heckard 1960-7-21 7480 Siskiyou 4 mi above Oak Bottom guard station (or 5 mi above and se of Somes Bar); Gorge of Salmon River 274 Comment
  CAS-BOT-BC342562  Luina hypoleuca Philip A. Munz 1952-7-1 17858 Siskiyou Klamath River, 6 miles north of Orleans 182 Comment
  UC725455  Lupinus A. A. Heller 1940-7-25 Siskiyou junction of Horse Camp and Panther Meadow roads on Mt. Shasta Comment
  RSA119493  Lupinus C. P. Smith 1947-5-13 47275 Siskiyou 6.9 miles east of Weed. Highway 97. Comment
  RSA166287  Lupinus adsurgens var. adsurgens Donald Myrick 1961-6-21 303 -A Siskiyou On Deer Camp Road above Oak Knoll Ranger Station on Klamath River 19 miles west of Highway 99. 1372 Comment
  SD106944  Lupinus albicaulis subsp. shastensis D. B. Dunn 1971-8-15 18141 Siskiyou 0.5 mile east of McCloud Ranger Station on Highway 89. Comment
  RSA60786  Lupinus albicaulis var. shastensis Dorothy Parker 180 -A Siskiyou Forks of Etna Creek, Salmon Mountain. 1177 Comment
  CHSC67492  Lupinus albifrons James D. Jokerst 1992-7-30 3422 Siskiyou Top of divide between Trinity River, summit of reddish mountain S of road crossing saddle. Comment
  CAS-BOT-BC195971  Lupinus albifrons var. albifrons Charles Piper Smith 1949-4-22 49130 Siskiyou Highway 99 - Hornbrook - West Cottonwood Creek Bridge Comment
  UC82285  Lupinus albifrons var. collinus Dr. E. B. Copeland 1903-7-3 3527 Siskiyou Klamathon Comment
  CAS-BOT-BC196313  Lupinus albifrons var. flumineus E. A. McGregor 1922-9-30 s.n. Siskiyou Sisson, near depot Comment
  SEINET10871210  Lupinus albifrons var. flumineus Paul Gallian, Billy Joe Cox 1971-6-9 Gallian 689 Siskiyou 11 miles n of weed, on us hwy 97; decomposed lava, sandy on slight s-e-facing Slope; assoc. With juniper, artemisia, purshia and arctostaphylos 1250 Comment
  HSC77064  Lupinus andersonii K. T. Stillman 1976-8-7 197 Siskiyou Marble Mtn. Wilderness Area 1829 Comment
  RSA431057  Lupinus andersonii var. andersonii K. Morris, Dun, Kenney, D. I. Morris 1973-5-25 272 Siskiyou 20.7 mi E of McCloud on Hwy 89. Comment
  CAS-BOT-BC196353  Lupinus argenteus var. argenteus L. E. Smith 1914-5-14 695 Siskiyou Montague Comment
  HSC26149  Lupinus breweri J. P. Smith, J. O. Sawyer, Maralyn O'Meara 1972-7-3 5690 Siskiyou E slope of Kangaroo Mtn. above Toehead Lake. 1890 Comment
  HSC63261  Lupinus breweri M. A. Baker 1979-7-30 1082 Siskiyou Marble Mtn. Wilderness, SE of Tickner peak 2200 Comment
  SEINET10490581  Lupinus breweri var. breweri Ruth P. Ownbey 1938-7-20 Ownbey 1763 Siskiyou Open gravelly slopes near dry lake lookout, summit of the siskiyou mts., Siskiyou co., Calif. Comment
  NY15835  Lupinus corymbosus A. A. Heller 1905-6-9 8015 Siskiyou Montague Comment
  CAS-BOT-BC215195  Lupinus croceus A. A. Heller 1915-7-16 12097 Siskiyou N side of Mount Eddy 1524 Comment
  POM229175  Lupinus latifolius subsp. viridifolius Louis C. Wheeler 1935-6-13 3573 Siskiyou Shackleford Creek, Marble Mts. 976 Comment
  UCD108204  Lupinus latifolius var. latifolius J. M. Tucker 1974-7-28 4325 Siskiyou adjacent to camp at Haypress Meadows, Marble Mountain Wilderness Area. 1463 Comment
  SEINET10485457 Image available Lupinus latifolius var. viridifolius A. Arthur Heller 1905-6-1 Heller 7928 Siskiyou Between Dunsmuir and Upper Soda Spring. Comment
  UC618893  Lupinus lepidus var. lobbii W. Bridge Cooke 1938-8-12 11463 Siskiyou Mount Shasta; Mount Shasta, Wagon Camp-Horse Camp Trail Comment
  UC1540156  Lupinus lepidus var. sellulus Dean Wm. Taylor, Glenn L. Clifton, R. Doug Stone 1987-8-6 9245 Siskiyou White Deer Lake; extreme northeastern portion of county 1508 Comment
  UC54420  Lupinus lepidus var. sellulus H. M. Hall and E. B. Babcock June, 1903 4084 Siskiyou Mount Shasta; Sierra Nevada Mountains, Mount Shasta, Shasta Valley 1158 Comment
  UCSB16736  Lupinus leucophyllus 1962-6-11 Siskiyou Roadbank along Scott River, 2 miles north of Scott Bar 487 Comment
  JEPS83248  Lupinus microcarpus var. microcarpus W. L. Jepson 1940-6-23 19982 Siskiyou ca 2 mi e Montague; e <of> Montague 822 Comment
  UC1401213  Lupinus microcarpus var. microcarpus K. Morris, LeDoux and Dunn 1973-6-2 339 Siskiyou on Hornbrook to Montague road about 1 mi se Hornbrook; se of Hornbrook Comment
  UC60976  Lupinus obtusilobus Geo. B. Grant Sept. 1902 5090 Siskiyou Horse Camp; Mt. Shasta 2438 Comment
  JEPS65409  Lupinus onustus W. L. Jepson 1902-7-22 2094 a Siskiyou Salmon Summit Trail Comment
  SEINET6193751 Image available Lupinus polyphyllus A. A. Heller 1916-1 s.n. Siskiyou near Sisson 1074 Comment
  POM11085  Lupinus sellulus subsp. sellulus Geo. D. Butler 1910-9-11 1867 Siskiyou [Unspecified] Comment
  HSC14882  Lupinus subvexus var. subvexus R. C. Wunner 1965-7-1 323 Siskiyou Lava Beds N.M., Top of Gillem's Bluff 1372 Comment
  CAS-BOT-BC25998  Lupinus viridifolius unspecified 1905-6-1 7928 Siskiyou Dunsmuir Comment
  HSC67951  Luzula comosa J. P. Smith 1973-5-5 6513 Siskiyou Along Cook and Green Pass Rd. Comment
  HSC99343  Luzula comosa G. L. Clifton, Griswold 1979-6-28 6134 Siskiyou Near Upper Devils Peak, close to the town of Seiad Valley 1738 Comment
  HSC39869  Luzula divaricata J. O. Sawyer 1969-7-9 1272 Siskiyou Grizzly Peak 2317 Comment
  HSC2378  Luzula piperi William J. Ferlatte 1966-8-5 349 Siskiyou Caribou Mtn. 2470 Comment
  RSA233690  Luzula subcongesta Robert F. Thorne, Frederick W. Oettinger 1969-8-10 38951 Siskiyou Mt. Shasta National Forest: S slope of Mt. Shasta, Panther Creek Meadows 2195 Comment
  CDA8226  Machaeranthera canescens T. C. Fuller 1963-8-27 11158 Siskiyou Highway 97 to Weed, 5.7 miles south of Grass Lake Campground. 0 Comment
  SEINET516145  Machaeranthera canescens var. shastensis Vernon H. Oswald 1998-9-8 9611 Siskiyou Junction of USFS 3 and 24 ca. 2.5 mi west-sourthwest of Hambone Butte, ca 30 air mi north of Burney. 1311 Comment
  HSC26763  Madia elegans J. P. Smith, J. O. Sawyer 1971-9-18 4850 Siskiyou 3.9 mi. from the junction of S.R. 3 and Rd. 8 near Callahan 1189 Comment
  POM211185  Madia elegans subsp. densifolia L. C. Wheeler 1934-9-18 3280 Siskiyou Klamath River near mouth Beaver Creek, Siskiyou Mts. 549 Comment
  CAS-BOT-BC344543  Madia exigua John Thomas Howell 1980-5-20 53561 Siskiyou Lightning Grade Road between Oro Fino and Fort Jones 868 Comment
  CAS-BOT-BC343437  Madia gracilis Wm. Bridge Cooke 1938-6-17 11030 Siskiyou Mt. Shasta 1371 Comment
  POM362185  Madia gracilis subsp. gracilis L. C. Wheeler 1934-6-4 2646 Siskiyou Siskiyou Mountains: Horse Creek near mouth 762 Comment
  POM30810  Madia minima Geo D. Butler 1909-4-25 620 Siskiyou Quartz Valley. Comment
  RSA21196  Mahonia aquifolium C. B. Wolf 1937-8-9 9084 Siskiyou Siskiyou Mts., 4 7/10 mi. from Oak Knoll Ranger Station on road to Dry Lake Lookout. 1220 Comment
  RSA78948  Mahonia aquifolium E. K. Balls, P. C. Everett 1952-10-12 4500 Siskiyou 1.7 mi. w. of boundary of Lava Beds Nat l Monument on road from Indian Well Ranger Station to Tennant. 1372 Comment
  RSA264979  Maianthemum racemosum subsp. amplexicaule Gilbert Muth 1975-7-28 s.n. Siskiyou Near Cook and Green Pass, near Seiad Valley 1524 Comment
  HSC18918  Maianthemum stellatum J. O. Sawyer 1968-6-25 324 Siskiyou Along Horse Range Creek 1829 Comment
  HSC62003  Maianthemum stellatum Ruby Van Deventer 1959-7-9 Siskiyou Poker Flat 1555 Comment
  SEINET8493798  Maianthemum stellatum G. D. Butler 1910-5-15 1343 Siskiyou McAdams Creek. Comment
  CAS-BOT-BC540131  Malus domestica Wm. Bridge Cooke; V. G. Cooke 1965-7-11 35166 Siskiyou In chaparral, not far from old Sisson Southern Trail, below MacBridge Springs, Mount Shasta Comment
  JEPS109400  Melica aristata Dean W. Taylor 2004-7-20 19192 Siskiyou Mt. Shasta, slopes southwest of Squaw Valley Creek 1889 Comment
  UCD87262  Melica fugax A. A. Beetle; G. L. Stebbins Jr. 1942-5-31 3410 Siskiyou Canyon N of Willow Creek, 5 miles W of Gazelle. 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
  HSC22262  Melica subulata J. O. Sawyer 1969-7-9 1112 Siskiyou Alluvial terrace above Duck Lake Creek. 1991 Comment
  RSA119381  Melica subulata S. S. Tillett 1956-7-11 688 Siskiyou On N side Scott Mtn. divide near campground; Siskiyou-Trinity county line, ca. 8 miles SE of Callahan. 1616 Comment
  HSC15011  Melilotus albus R. C. Wunner 1965-7-16 396 Siskiyou Lava Beds National Monument, as rd. crosses Devils' Homestead Lava Flow 1296 Comment
  RSA43891  Melissa officinalis H. M. Pollard 1948-8-11 s.n. Siskiyou Irving Creek, near Somes Bar. Comment
  POM211182  Mentha aquatica Louis C. Wheeler 1934-9-22 3299 Siskiyou Walker, Klamath River, Siskiyou Mountains. (Mt Diablo Mer) 518 Comment
  UC163998  Mentha spicata Geo. D. Butler 1908-7-17 177 Siskiyou near Yreka; near Yreka Comment
  UCLA58369  Mentha spicata Louis C. Wheeler 1934-9-22 3301 Siskiyou Klamath River Walker (Walker); Siskiyou Mts., Klamath River 518 Comment
  JEPS48636  Mentzelia dispersa Geo. D. Butler 1909-6-12 906 Siskiyou McAdams Creek Comment
  UC164048  Mentzelia dispersa Geo. D. Butler 1909-6-12 906 Siskiyou McAdams Creek Comment
  HSC15837  Mentzelia laevicaulis D. M. Thomson 1965-8-6 169 Siskiyou Lava Beds National Monument, S Boundry Rd., by Crecent Butte. Comment
  UCD77990  Micranthes aprica Robert E. Preston 2001-6-23 1602 Siskiyou Klamath National Forest, n-facing slope of Rainbow Mtn, T42N R1W nw 1/4 of nw 1/4 Section 23 2011 Comment
  CAS-BOT-BC428980  Micranthes ferruginea Geo. D. Butler 1908-8-9 24 Siskiyou Marble Valley Comment
  CAS-BOT-BC429257  Micranthes oregana L. E. Smith 1914-6-9 714 Siskiyou Sisson Comment
  HSC67936  Micropus californicus var. californicus J. P. Smith 1973-5-5 6529 Siskiyou Scott Bar along the Scott River Comment
  HSC22304  Microseris nutans J. O. Sawyer 1969-7-11 1322 Siskiyou E facing slope above S Sugar Creek 1890 Comment
  UC1190270  Microseris nutans Ira L. Wiggins 1955-7-27 13520 Siskiyou Caribou Lake Salmon-Trinity Alps Primitive Area 2042 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
  HSC36931  Microsteris gracilis J. P. Smith 1974-5-26 7559 Siskiyou Along FS Rd. 47N03 1524 Comment
  HSC36956  Microsteris gracilis J. P. Smith 1974-5-26 7567 Siskiyou Along FS Rd. 47N03 1524 Comment
  HSC60801  Microsteris gracilis Ruby Van Deventer 1960-7-7 Siskiyou Bell Echo Camp in Youngs Valley Comment
  RSA237329  Microsteris gracilis subsp. humilis Frederick W. Oettinger 1967-6-24 117 Siskiyou Ridge at Etna Summit between Etna and Sawyers Bar. The Salmon Mountains. The High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1829 Comment
  RSA237540  Mimulus breweri Frederick W. Oettinger 1967-8-20 296 Siskiyou Stream about 100 yards below spring at Tom Taylor Cabin. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2049 Comment
  RSA237554  Mimulus guttatus Frederick W. Oettinger 1969-8-18 1426 Siskiyou Northeast of Horse Range Lake. The Salmon Mountains. The High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1829 Comment
  CDA41786  Mimulus guttatus subsp. arvensis J. R. Grisham 1965-6-8 s.n. Siskiyou Willow Creek. 0 Comment
  UC1112264  Mimulus layneae R. C. Bacigalupi with S. Galen Smith 1957-6-25 5929 Siskiyou s Weed (just w of Black Butte railroad junction) Comment
  UC1374813  Mimulus layneae Noel H. Holmgren, Liew Fah Seong 1969-6-25 3617 Siskiyou 23 mi e McCloud (Calif. 89, 1.3 mi from Shasta County line) Comment
  RSA434638  Mimulus lewisii M. B. Dunkle 1945-7-12 9204 Siskiyou Summit Trail. Marble Mountains. Klamath National Forest. Comment
  UC164257  Mimulus moniliformis Geo. D. Butler 1910-6-5 1511 Siskiyou Log Lake Shackleford Creek Comment
  HSC72486  Mimulus moschatus J. P. Smith, Steve Selva 1970-6-16 4060 Siskiyou 8 mi. W of Etna on road to Sawyers Bar. 1372 Comment
  HSC425  Mimulus moschatus William J. Ferlatte 1966-8-18 410 Siskiyou 3 mi. S of Big Flat 1585 Comment
  JEPS30989  Mimulus nanus var. jepsonii D. E. Breedlove 1962-6-11 3361 Siskiyou 8.0 mi e McCloud (along State HIghway 89); Cascade Range 1127 Comment
  RSA12581  Mimulus nanus var. jepsonii Carl B. Wolf 1934-7-6 6005 Siskiyou 5.4 mi. from Mt. Shasta City on Wagon Camp Rd. S.W. slope of Mt. Shasta. 1220 Comment
  JEPS86952  Mimulus nanus var. nanus David M. Thompson 1988-6-5 934 Siskiyou near Old Station (around entrance to Subway Cave, just n of juct of Hwy 44 and Hwy 89) 1280 Comment
  JEPS86953  Mimulus nanus var. nanus David M. Thompson 1989-6-28 1022 Siskiyou 10.0 mi ne Weed (along Hwy 97, nw side of road) 1150 Comment
  UC164053  Mimulus nanus var. nanus Geo. D. Butler 1909-7-15 928 Siskiyou Highland Mine Comment
  SEINET10756233  Mimulus primuloides subsp. linearifolius Andrew Townesmith, Karen M. Meyer 2007-8-1 Townesmith 881 Siskiyou Shasta-Trinity National Forest. 11.7 miles up Stewart Springs road/Forest Service road 17 (distance from intersection of Stewart Springs and Old 99 Highway). T41N R6W near sections 28 and 33. 1983 Comment
  HSC101476  Mimulus primuloides var. linearifolius J. P. Smith, J. O. Sawyer, R. J. Cole 2010-7-11 12991 Siskiyou Along State Route 3 (Scott Mountain Road) southeast of Callahan. 1334 Comment
  HSC442  Mimulus primuloides var. linearifolius William J. Ferlatte 1967-8-17 955 Siskiyou Yellow Rose Mine 1982 Comment
  RSA434718  Mimulus primuloides var. pilosellus Louis C. Wheeler 1935-7-26 3712 Siskiyou Jaynes Canyon; Siskiyou Mountains. (Mt. Diablo Mer.) 1951 Comment
  RSA423560  Minuartia douglasii Christopher Davidson 1975-6-5 2662 Siskiyou Just above gate on special service rd branching SE off rd from Gazelle to Callahan 9.3 mi. W of Gazelle. 1471 Comment
  CAS-BOT-BC481920  Minuartia nuttallii Elizabeth McClintock; Wayne Roderick; Martha Roderick 1967-7-29 s.n. Siskiyou Road to Mumbo Basin, Trinity Mts. 1889 Comment
  RSA792294  Minuartia nuttallii subsp. gregaria Rebecca Wenk 2008-7-25 948 Siskiyou Road to Kangaroo Lake, 4.3 miles south of turnoff from Gazelle-Callahan Rd. 1616 Comment
  SBBG1990  Minuartia nuttallii var. gregaria H. and M. Dearing 1939-6-2 3525 Siskiyou near Fort Jones 609 Comment
  CAS-BOT-BC540350  Minuartia rubella Dana York 2012-7-20 3127 Siskiyou Siskiyou Mountains: Rogue River, Siskiyou National Forest, ca. 270 m W of Echo Lake (slopes above lake) 1800 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
  CDA23863  Mirabilis greenei D. F. Dias 1971-7-19 Siskiyou J. D. Newlin property, Yreka. 0 Comment
  UC1190268  Mitella diversifolia Ira L. Wiggins 1955-7-24 13481 Siskiyou China Creek; diversion dam 1097 Comment
  CAS-BOT-BC433064  Mitella pentandra John Thomas Howell 1939-8-3 14965 Siskiyou Spirit Lake, Marble Mts. 1828 Comment
  HSC4892  Mitella pentandra J. O. Sawyer 1968-6-25 322 Siskiyou Along Horse Range Creek 1829 Comment
  HSC450  Mitella trifida William J. Ferlatte 1967-6-29 570 Siskiyou Along Yellow Rose Mine Trail 1829 Comment
  HSC62313  Mitella trifida Al Hobart 1968-6-20 Siskiyou Youngs Valley 1829 Comment
  HSC68447  Moehringia macrophylla Maralyn A. Renner 1980-6-26 1215 Siskiyou SE edge of Flint Valley. 1390 Comment
  UC166127  Moehringia macrophylla Geo. D. Butler 1910-4-22 1217 Siskiyou Shackleford Creek Comment
  HSC36944  Moehringia macrophylla J. P. Smith 1974-5-26 7586 Siskiyou Along FS Rd. 47N03, 1/4 mi. NE of Chandler Glade 1768 Comment
  RSA0010760  Mollugo verticillata Louis C. Wheeler 1935-7-20 3676 Siskiyou Scott River 1.5 mi. W Fort Jones, Scott Valley. 823 Comment
  RSA183457  Monardella odoratissima J. M. Tucker 1963-8-19 3785 Siskiyou headwaters of Canyon Creek, Marble Mtn Wilderness Area 1921 Comment
  CAS-BOT-BC222032  Monardella odoratissima subsp. glauca A. A. Heller 1915-7-16 12105 Siskiyou North side of Mt. Eddy 1371 Comment
  UC25494  Monardella odoratissima subsp. glauca J. W. Morse Jul 1886 Siskiyou Shasta Comment
  JEPS25673  Monardella odoratissima subsp. pallida Rimo Bacigalupi with Mr. and Mrs. Van Deventer 1959-7-10 7318 Siskiyou jeep road between Poker Flat and Twin Valley (near (but not on) serpentine area at ridge-top marking Del Norte-Siskiyou County boundary); Siskiyou Mts. 1664 Comment
  RSA68919  Monardella odoratissima subsp. pallida A. E. Culbertson 1943-8-1 38 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
  UCD125198  Monardella purpurea J. M. Tucker; L. K. Mann, Sandra L. Holloway 1963-8-18 3754 Siskiyou Southwestern ridge of Black Mountain (Black Marble Mountain), Marble Mountain Wilderness Area. 2133 Comment
  CAS-BOT-BC220227  Monardella sheltonii Annetta Carter 1934-8-12 695 Siskiyou North side of Klamath River near mouth of Walker Creek (east end of Seiad Valley) 426 Comment
  CHSC32899  Monardella siskiyouensis J. P. Smith; Steve Selva 1970-6-15 3929 Siskiyou 8 miles southeast of Forks of Salmon on road to Cecilville. 457 Comment
  UC164001  Monardella villosa subsp. villosa Geo. D. Butler 1908-7-19 169 Siskiyou Humbug Creek Comment
  RSA238383  Monotropa hypopitys Frederick W. Oettinger 1969-8-19 1469 Siskiyou Between Charmain Lake and Abbotts Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1890 Comment
  CAS-BOT-BC444878  Montia fontana L. R. Abrams 1926-7-4 11224 Siskiyou 1 mile west of Shasta City on road to Abrams Lake Comment
  HSC138  Montia parvifolia William J. Ferlatte 1966-8-3 274 Siskiyou Josephine Lake basin 1677 Comment
  HSC22225  Montia parvifolia J. O. Sawyer 1969-6-13 1103 Siskiyou Slope above Little Duck Lake 2134 Comment
  UC1408938  Montia parvifolia Frederick W. Oettinger 1968-9-1 640 Siskiyou s of Abbott's Lake (High Lake Basins in vicinity of English Peak, Marble Mountain Wilderness Area); Salmon Mountains, Marble Mountain Wilderness Area 1798 Comment
  HSC22448  Muhlenbergia filiformis J. O. Sawyer 1969-8-18 1978 Siskiyou S Sugar Lake Creek 1829 Comment
  HSC30608  Muhlenbergia filiformis Frederick W. Oettinger 1969-9-1 1575 Siskiyou Margin of Katherine Lake, Salmon Mountains. 2027 Comment
  RSA239110  Muhlenbergia montana Frederick W. Oettinger 1968-9-7 753 Siskiyou Near north end of Hancock Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1951 Comment
  UC711877  Muhlenbergia richardsonis Roxana S. Ferris and Laura Lorraine 1941-8-11 10497 Siskiyou on US Hwy 97 Grass Lake Station 1554 Comment
  CHSC71321  Myosurus sessilis Vernon H. Oswald; Lowell Ahart 1998-6-11 9222 Siskiyou Butte Valley National Grassland near the junction of Meiss Lake-Sams Neck Rd. and Hwy. 97 ca. 5 mi north of Macdoel. Along the edge of a vernal pool. 1295 Comment
  UC1540139  Nama densa Dean Wm. Taylor, Glenn L. Clifton, R. Doug Stone 1987-8-7 9251 Siskiyou Caldwell Butte Lava Beds National Monument, Caldwell Butte (on crater floor at northern interior, Lava Beds National Monument) 1499 Comment
  UC1069117  Nama densa var. parviflora L. Whitney 1934-6-20 3 Siskiyou Tennant Dorris Quad., Tennant Comment
  JEPS1364  Nama lobbii W. L. Jepson 1894-8-4 21002 Siskiyou half-way up Mt. Shasta from Sisson to Horse Camp; half-way up Mt. Shasta fr Sisson to Horse Camp 1828 Comment
  RSA68893  Nama lobbii A. E. Culbertson 1943-7-1 64 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 airmiles of its headwaters to the west. Comment
  UC455933  Nama lobbii I. J. Condit 1911-7-28 Siskiyou Shasta Retreat Castle Lake to Mt. Bradley (Castle Lake to Mt. Bradley) 1981 Comment
  UCD77738  Navarretia capillaris Robert E. Preston 2002-7-12 1916 Siskiyou Rainbow Mountain and Vicinity. Klamath National Forest, S slope of Rainbow Mountain 1968 Comment
  HSC19230  Navarretia capillaris J. O. Sawyer 1969-7-1 987 Siskiyou Above Paynes Lake Creek 1951 Comment
  HSC30631  Navarretia capillaris Frederick W. Oettinger 1969-7-9 939 Siskiyou Marble Mtn. Wilderness Area, NW of Upper English Lake 1951 Comment
  HSC30634  Navarretia divaricata Frederick W. Oettinger 1969-7-28 1091 Siskiyou Marble Mtn. Wilderness Area, N of Pine Lake 2012 Comment
  POM75063  Navarretia intertexta Geo D. Butler 1908-8-27 157 Siskiyou Oro Fino Comment
  UC726811  Navarretia linearifolia subsp. linearifolia A. A. Heller 1916-7-20 12476 Siskiyou near Wagon Creek Falls; e side Mt. Eddy, near Wagon Creek Falls 1371 Comment
  CAS-BOT-BC230559  Nemophila parviflora var. austiniae Harley P. Chandler 1901-6-1 1706 Siskiyou Near Marble Mountain 1981 Comment
  UC726906  Nemophila parviflora var. austiniae A. A. Heller 1919-6-20 13257 Siskiyou Metcalf's Comment
  RSA43881  Nepeta cataria H. M. Pollard 1948-8-11 s.n. Siskiyou Irving Creek, near Somes Bar. Comment
  CAS-BOT-BC60582  Noccaea fendleri subsp. glauca John Thomas Howell 1937-7-22 13279 Siskiyou South Fork of Salmon River near Big Flat. 1524 Comment
  JEPS105141  Nothochelone nemorosa Dean W. Taylor 1993-7-30 13990 Siskiyou Bolan Lake Road (Forest Road 4812) about 2 miles east of Indian Creek Road (Forest Road 40S07); Klamath National Forest 1584 Comment
  UCR37823  Nothochelone nemorosa K. T. Stillman 1976-8-8 396 Siskiyou Marble Mountain Wilderness Area Comment
  RSA420385  Nothochelone nemorosa M. B. Dunkle 1945-7-22 9235 Siskiyou Marble Mts., Klamath National Forest. Comment
  SEINET3150354  Oenothera hookeri G. D. Butler 1910-7-30 1799 Siskiyou Ineka Creek Comment
  SEINET5345412  Oenothera villosa var. strigosa G. Butler 2010-7-30 1799 Siskiyou Yreka Creek Comment
  CAS-BOT-BC355601  Oreostemma alpigenum var. andersonii Elizabeth McClintock; Wayne Roderick; Martha Roderick 1967-7-29 s.n. Siskiyou Road to Mumbo Basin, Trinity Mts. Comment
  UC1409452  Oreostemma alpigenum var. andersonii Frederick W. Oettinger 1968-8-1 339 Siskiyou south of Little Hancock Lake; Salmon Mountains, Marble Mountain Wilderness Area, English P 2042 Comment
  CAS-BOT-BC500187  Orobanche fasciculata W. R. Dudley 1893-6-1 s.n. Siskiyou Castle Crag Trail, near Mt. Shasta Comment
  UC164090  Orobanche uniflora subsp. occidentalis Geo. D. Butler 1909-4-4 730 Siskiyou Shasta Valley between Yreka and Montague. Comment
  CAS-BOT-BC500331  Orobanche uniflora subsp. occidentalis Dorothy Parker 1949-7-10 s.n. Siskiyou Salmon Mountain Comment
  CHSC33847  Orthilia secunda J. D. Prouty 1981-8-5 1283 Siskiyou Forest adjacent to Squaw Creek, N of road 41N31.2 ca. 3/4 mi N of Intake Spring. 1463 Comment
  HSC19209  Orthilia secunda J. O. Sawyer 1968-7-23 626 Siskiyou Near Big Flat Campground, Trinity Alps Primitive Area 1524 Comment
  HSC19212  Orthilia secunda J. O. Sawyer 1968-9-13 717 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-BC458085  Orthilia secunda Doris K. Kildale 1928-7-4 5477 Siskiyou 3 miles W of Summit of divide between Sawyers Bar and Etna Mills Comment
  RSA0083189  Orthilia secunda Frederick W. Oettinger 1968-8-5 409 Siskiyou N. of English Peak on route down to Upper English Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1951 Comment
  HSC86557  Orthocarpus cuspidatus subsp. copelandii D. K. Imper Jul 1987 Siskiyou Marble Mtn. Wilderness Area, Haypress Meadow, 8 mi. E of Somes Bar 1372 Comment
  NY90857  Orthocarpus pachystachyus E. L. Greene 1876-5-26 s.n. Siskiyou Comment
  HSC65503  Osmorhiza berteroi R. White 1977-7-21 128 Siskiyou Slope below outlet of Raspberry Lake. 1512 Comment
  HSC68999  Osmorhiza berteroi Maralyn A. Renner 1980-7-28 2198 Siskiyou E spur of Kangaroo Mtn., near ridge 1890 Comment
  SBBG30561  Osmorhiza berteroi D. Myrick 1968-6-25 2011 Siskiyou Mountain Meadow Ranch, Big Flat, head of Coffee Crk; Trinity Alps 1524 Comment
  HSC76995  Osmorhiza occidentalis K. T. Stillman 1976-8-7 184 Siskiyou Marble Mtn. Wilderness Area 1951 Comment
  UC1400369  Osmorhiza occidentalis Frederick W. Oettinger 1968-8-15 521 Siskiyou Hancock Lake Salmon Mountains, Marble Mountain Wilderness Area (e bank, trail side, high lake basins in vicinity of English Peak, w Siskiyou Co.) 1935 Comment
  HSC92939  Oxyria digyna Jennifer Whipple 1977-7-20 1995 Siskiyou N slopes of Mount Eddy 2500 Comment
  HSC313  Oxyria digyna William J. Ferlatte 1966-8-5 350 Siskiyou Caribou Mountain summit 2470 Comment
  CAS-BOT-BC316747  Packera cana Elmer Ivan Applegate 9351 Siskiyou Near and south of Indian Well, Lava Beds National Monument, Comment
  CAS-BOT-BC316758  Packera cana John William Thompson 1936-7-8 13150 Siskiyou Lava Slopes of Lava Beds Nat. Monument Comment
  UC1169371  Packera streptanthifolia R. Ornduff 1960-6-30 6269 Siskiyou at margin of Grass Lake Grass Lake Comment
  UCSC004597  Panicum capillare Randall Morgan 2004-8-3 4273 Siskiyou Castle Crags State Park, Sacramento River Comment
  RSA211097  Parnassia californica William J. Ferlatte 1966-8-19 434 Siskiyou Kidd Creek Trail. 1829 Comment
  CAS-BOT-BC175510  Parnassia fimbriata Maxine Wilkes 1940-8-1 s.n. Siskiyou Deep Lake, Marble Mts. Comment
  CAS-BOT-BC175613  Parnassia palustris Wm. Bridge Cooke 1939-8-24 13898 Siskiyou Throughout the area of Squaw Valley Creek meadows Comment
  CAS-BOT-BC202834  Paxistima myrsinites John Thomas Howell 1952-6-14 2831 Siskiyou Just north of Black Butte Comment
  CAS-BOT-BC202843  Paxistima myrsinites Doris K. Kildale 1928-7-4 5465 Siskiyou 3 miles west of summit on Sawyers Bar - Etna Mills road Comment
  CAS-BOT-BC202854  Paxistima myrsinites H. L. Mason 1929-5-18 5329 Siskiyou Hills along Shasta Creek Canyon Comment
  CHSC95120  Paxistima myrsinites L. P. Janeway 2006-7-2 8742 Siskiyou Klamath Ranges. Salmon Mountains; headwaters of West Fork Whites Gulch, a tributary of North Fork Salmon River from the south; between sharp switchbacks of Road 40N61. Steep north-facing slope just above alder-shaded creek. 1561 Comment
  HSC43360  Paxistima myrsinites N. G. Sugihara 1977-5-28 67 Siskiyou Bank along Haypress Meadow trail 1372 Comment
  POM137034  Paxistima myrsinites E. B. Copeland 1903-9-6 3880 Siskiyou Mt. Eddy. 1402 Comment
  RSA237261  Paxistima myrsinites Frederick W. Oettinger 1968-8-24 626 Siskiyou By New York Flumes about 10 min. down-stream from Tom's Lower Pond; Tom's Lake Basin. Salmon Mountains. High Lake Basin in the vicinity of English Peak. Marble Mountain Wilderness Area. 1829 Comment
  UC796618  Paxistima myrsinites Roxana S. Ferris and Laura Lorraine Jun 12 1948-Jun 16 1948 11772 Siskiyou ca. 7 mi. from Etna (on Forks of Salmon Rd.) 1818 Comment
  POM15605  Pedicularis attollens E. B. Copeland 1903-8-18 3901 Siskiyou Mt. Eddy. Comment
  UC609315  Pedicularis bracteosa var. flavida Eleanor Burks Hart 1938-8-25 928 Siskiyou Upper Wright Lake 2225 Comment
  POM43422  Pedicularis flavida Geo. D. Butler 1910-7-10 1735 Siskiyou Upper Campbell Lake, Shackleford Creek. 1524 Comment
  HSC34300  Pedicularis racemosa J. P. Smith, J. O. Sawyer 1973-8-14 7293 Siskiyou W shore of Campbell Lake 1768 Comment
  RSA425340  Pedicularis racemosa Louis C. Wheeler 1934-8-2 3021 Siskiyou Siskiyou Mountains: Head of Jaynes Canyon. 2073 Comment
  RSA425321  Pedicularis semibarbata Bonnie C. Templeton 1964-6-10 10070 Siskiyou Moutain slope of Mt. Shasta.Green Valley Lake, San Bernardino Mountains. 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
  POM281761  Pellaea breweri Geo D. Butler 1908-8-8 240 Siskiyou Marble Valley. Comment
  CHSC96033  Penstemon anguineus L. P. Janeway 2006-7-3 8760 Siskiyou Klamath Ranges. Salmon Mountains; along Music Creek Trailhead Road about 0.8 km west of the trailhead, about 0.2 km west of Statue Creek. 1786 Comment
  UC164351  Penstemon anguineus Geo. D. Butler 1908-7-20 935 Siskiyou Highland Mine Comment
  CAS-BOT-BC6574  Penstemon anguineus Volney Rattan 1879-6-1 s.n. Siskiyou Klamath River Comment
  HSC61134  Penstemon anguineus Al Hobart 1968-7-8 Siskiyou El Capitan Comment
  HSC63264  Penstemon anguineus M. A. Baker 1979-7-30 1077 Siskiyou Draw W of trail to Rainy Lake Comment
  JEPS24965  Penstemon anguineus C. L. Hitchcock, J. S. Martin 1939-7-6 5212 Siskiyou summit of Takilma-Happy Camp Road Siskiyou Mts., summit Takilma-Happy Camp Road 1676 Comment
  RSA238744  Penstemon anguineus Frederick W. Oettinger 1967-8-20 288 Siskiyou Just below spring at Tom Taylor Cabin. The Salmon Mountains. The High Lake Basins in the vicinity of English Peak. Marble Mountains Wilderness Area. 2049 Comment
  RSA425614  Penstemon azureus Louis C. Wheeler 1934-6-21 2746 Siskiyou West Fork Cottonwood Creek, Siskiyou Mtns. (Mt Diablo Mer.) 1509 Comment
  SEINET7073531  Penstemon centranthifolius A. G. Vestal 1963-6-1 s.n. Siskiyou Road to Dwinnell Reservoir [Lake Shastina]. UTM Zone 10, 548518mN, 4593966mN. Coordinate datum: NAD27. Comment
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Jul 13 2018
  UC564176  Penstemon cinereus Elmer I. Applegate 1935-6-2 9268 Siskiyou Indian Wells Lava Beds National Monument, Indian Wells Comment
  HSC69127  Penstemon davidsonii Maralyn A. Renner 1980-8-7 2381 Siskiyou Klamath National Forest, NW flank of Preston Peak, near summit 2180 Comment
  CAS-BOT-BC265368  Penstemon davidsonii var. davidsonii Elmer I. Applegate 1923-8-18 3853 Siskiyou W base of Redshale Mountain, Medicine Lake region 2133 Comment
  POM299522  Penstemon davidsonii var. davidsonii Marion Ownbey, Fred G. Meyer 1940-7-4 2185 Siskiyou On ridge above head of Brewer Creek, east side of Mt. Shasta. Comment
  UC1751242  Penstemon davidsonii var. davidsonii Annie M. Alexander and Louise Kellogg 1911-6-28 201 Siskiyou Wildcat Creek Comment
  HSC69364  Penstemon deustus J. O. Sawyer, J. Cole 1980-7-19 3661 Siskiyou N and W of Little Mt. Hoffman 1982 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
  SEINET10880486  Penstemon gracilentus Andrew Townesmith, Karen M. Meyer 2007-7-30 Townesmith 870 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
  POM14639  Penstemon gracilentus E. B. Copeland 1903-7-17 3508 Siskiyou Mt. Shasta. Comment
  RSA34969  Penstemon gracilentus Roxana S. Ferris, Laura Lorraine 1941-8-11 10507 Siskiyou 3 miles from Medicine Lake on road to Modoc Lava Beds National Monument. Shasta National Forest. Comment
  CDA33280  Penstemon heterodoxus var. shastensis T. C. Fuller 1963-6-13 8993 Siskiyou South side of Hwy 89 to Lake Britton, 0.5 mile east of Bartle 0 Comment
  UC625483  Penstemon heterodoxus var. shastensis Frank W. Gould 1938-6-28 486 Siskiyou n of Mount Shasta (where U.S. 97 crosses Butte Creek); Butte Creek 1417 Comment
  CAS-BOT-BC265279  Penstemon humilis subsp. humilis Elmer I. Applegate 1931-6-24 6804 Siskiyou Between Bear Paw Cave, Modoc Lava Beds and Medicine Lake Comment
  CDA41883  Penstemon humilis subsp. humilis Vernon H. Oswald & Lowell Ahart 1998-6-11 9190 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
  UCSB23750  Penstemon laetus Breedlove, Dennis 1962-6-10 Siskiyou along Indian Creek Road; 6.8 miles northwest of Happy Camp; Siskiyou Mountains 457 Comment
  HSC36804  Penstemon laetus subsp. laetus J. P. Smith 1974-5-27 7633 Siskiyou Along FS Rd. 47N03 1280 Comment
  HSC43836  Penstemon laetus subsp. laetus Maralyn O'Meara 1974-5-27 491 Siskiyou Along FS Rd. 47N03 1280 Comment
  HSC77277  Penstemon laetus subsp. sagittatus L. P. Janeway 1983-8-13 527 Siskiyou S side of upper S Fork Indian Creek 1311 Comment
  NY91154  Penstemon laetus subsp. sagittatus H. E. Brown 1897-6-1 360 Siskiyou Near Mount Shasta. 1828.8 Comment
  RSA151968  Penstemon laetus var. sagittatus R. C. Bacigalupi, L. R. Heckard, G. Bacigalupi, Ruth D. Sanderson 1952-6-18 3741 Siskiyou Near Panther Creek Guard Station, along Little Shasta River, 17 mi E of Montague on forest road to Mt. Hebron. 1280 Comment
  RSA15583  Penstemon laetus var. sagittatus Carl B. Wolf 1927-8-27 1145 Siskiyou Klamath River, 10 miles above mouth of Salmon Comment
  CDA41850  Penstemon newberryi T. C. Fuller 1962-6-28 8952 Siskiyou Highway 99, 0.7 mile north of Black Butte Summit, 4.6 miles south of Weed. 0 Comment
  HSC700  Penstemon newberryi subsp. berryi William J. Ferlatte 1967-8-23 1100 Siskiyou Head of Kidd Creek 2134 Comment
  CAS-BOT-BC239331  Penstemon newberryi var. berryi R. E. Frenkel 1965-6-14 952 Siskiyou On Everitt Memorial Highway near Mount Shasta 1524 Comment
  CAS-BOT-BC239339  Penstemon newberryi var. berryi A. A. Heller 1905-6-16 8048 Siskiyou Near Sisson Comment
  UC1408763  Penstemon newberryi var. berryi Frederick W. Oettinger and R. F. Thorne 1969-8-5 1219 Siskiyou N side of Crapo View Gap, along English Lake trail Salmon Mountains, Western Siskiyou Co., Marble Mountains Wil (vicinity of English Peak) Comment
  JEPS5709  Penstemon newberryi var. berryi Dorothy Parker 1953-8-9 580 Siskiyou Salmon Mountain 1920 Comment
  LA28278  Penstemon newberryi var. berryi L. E. Smith; 1913-6-18 368 Siskiyou road from Sisson [Mt. Shasta] to Castle Lake Comment
  CHSC65848  Penstemon newberryi var. newberryi Maria Ulloa-Cruz 1994-8-3 47 Siskiyou Mount Shasta Ranger District. On slope above Panther Creek tributary. 2000 Comment
  CHSC1879  Penstemon parvulus M. Yoder 1941-7-6 Siskiyou Castle Lake. 1981 Comment
  JEPS11201  Penstemon parvulus Geo. D. Butler 1908-8-3 433 Siskiyou Log Lake Shackelford Creek, Log Lake 1524 Comment
  UC705758  Penstemon parvulus Marion Ownbey, Fred G. Meyer 1940-7-7 2215 Siskiyou summit of Cayenne Ridge , summit of Cayenne Ridge (Marble Mt.) Comment
  POM299519  Penstemon parvulus Marion Ownbey, Fred G. Meyer 1940-7-7 2215 Siskiyou Near summit of Cayenne Ridge, Marble Mountain. Comment
  RSA50199  Penstemon parvulus E. K. Balls 1949-7-8 13905 Siskiyou Trail from Scott Mountain Camp to Carmen Lake, Scott Mtn. 1738 Comment
  HSC2403  Penstemon procerus var. brachyanthus William J. Ferlatte 1966-8-17 398 Siskiyou Caribou Basin 1982 Comment
  RSA120824  Penstemon roezlii S. S. Tillett 1956-7-9 666 Siskiyou On north sloping ridge between Little and Big Carmen Lakes, north side of Scott Mtn., Siskiyou-Trinity County line, ca. 8 miles SE of Callahan. 1921 Comment
  UC1212118  Penstemon roezlii F. Chisaki, G. Newcomb 1958-6-22 1160 Siskiyou between Ft. Jones and Gazelle (9.6 mi on road from Ft. Jones to Gazelle) 9.4 mi s from road to Duzel Rock; , btw Ft. Jones and Gazelle 1645 Comment
  HSC61156  Penstemon rupicola Al Hobart Siskiyou El Capitan Comment
  JEPS82505  Penstemon rupicola Todd Keeler-Wolf 1983-8-14 728 Siskiyou 1/4 mi S of Terrace lake 2087 Comment
  RSA114975  Penstemon rydbergii var. oreocharis E. K. Balls, Lee W. Lenz 1956-6-18 21806 Siskiyou 1.3 mi SE of Bartle (jct with rd to Lava Beds) State Hwy 89, McCloud to Burney. 1220 Comment
  RSA233702  Penstemon shastensis Robert F. Thorne, Frederick W. Oettinger 1969-8-10 38971 Siskiyou Mt. Shasta National Forest: S slope of Mt. Shasta, Panther Creek Meadows. 2195 Comment
  RSA105469  Penstemon speciosus G. D. Barbe, Milo S. Baker 1955-7-1 78 Siskiyou 7 miles S of Etna on the Westside Rd. to Callahan. 869 Comment
  SD46693  Penstemon speciosus E. K. Balls, L. W. Lenz 1956-6-18 21798 Siskiyou 7.5 mi. se. of Weed, U.S. Hwy. 99 1219 Comment
  UC1390010  Perideridia leptocarpa T. I. Chuang, I. Fukuda, and A. Weston 1963-7-6 5880 Siskiyou Cecilville Comment
  UC1390009  Perideridia leptocarpa T. I. Chuang, I. Fukuda, and A. Weston 1963-7-6 5879 Siskiyou 3 mi n Cecilville Comment
  HSC34297  Perideridia parishii subsp. latifolia J. P. Smith, J. O. Sawyer 1973-8-14 7291 Siskiyou Along trail from Log Lake to Campbell Lake 1677 Comment
  UC906660  Perideridia parishii subsp. latifolia Joseph P. Tracy 1949-9-16 18570 Siskiyou summit of road from Callahan to Trinity Center; Scott Mt. 1615 Comment
  HSC64425  Persicaria amphibia J. P. Smith, Steve Selva 1970-7-16 4386 Siskiyou Along Klamath River, 2 mi. W of Seiad Creek 518 Comment
  CHSC4537  Phacelia J. E. Bowlin 1967-7-18 75 Siskiyou Off roadside, ca. 4 mi w of Mount Shasta Ski Bowl. 2133 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
  CHSC4289  Phacelia dalesiana D. Parker 1965-6-1 640 Siskiyou Scott Mt. 1630 Comment
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Jul 5 2017
  JEPS76146  Phacelia dalesiana Susan Horner 1977-6-1 110 Siskiyou 4 mi ne Scott Mt. (trail from Robbers Meadows to Kangaroo Lake) Comment
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Jul 5 2017
  RSA30619  Phacelia egena Lincoln Constance, R. C. Rollins 1942-5-14 2928 Siskiyou Shasta River, 4 miles north of Yreka. 762 Comment
  UC1561279  Phacelia greenei Barbara Ertter with Thomas J. Delendick 1987-5-17 6969 Siskiyou on FR 40N08 1/2 mi e Rt. 3; Scott Mt. Summit 1706 Comment
  HSC69267  Phacelia hastata J. O. Sawyer, J. Cole 1980-7-20 3711 Siskiyou Near USFS Rd. 45N05 in center of section 1890 Comment
  JEPS47358  Phacelia hastata L. R. Heckard and R. Bacigalupi, Ed Stuhl 1966-6-20 1526 Siskiyou Bolam logging rd Mt. Shasta (n side of mt.) 1889 Comment
  UC24397  Phacelia hastata Harley P. Chandler June 1901 1655 Siskiyou Marble Mountain North Coast Ranges 2438 Comment
  SEINET8366644  Phacelia hastata F. Sipe 1953-6-17 Siskiyou northeast of Weed. Comment
  HSC46179  Phacelia heterophylla subsp. virgata Jennifer Whipple 1977-4-30 1880 Siskiyou Scott Valley near Weston Gulch on open hillsides 854 Comment
  JEPS105229  Phacelia heterophylla subsp. virgata Dean W. Taylor 1995-6-25 15114 Siskiyou Highway 3 at Soap Creek Summit (ca. 6 miles West of Yreka) 1280 Comment
  RSA12604  Phacelia heterophylla subsp. virgata Carl B. Wolf 1934-7-6 5982 Siskiyou 1/4 mile east of Mt. Shasta City. Southwest slope of Mt. Shasta. 1098 Comment
  JEPS94264  Phacelia linearis Vernon H. Oswald and Lowell Ahart 1998-6-11 9182 Siskiyou ne of Weed (Shasta National Forest plantation on w side of Highway 97, 2.2 mi ne of Lake Shastina-Big Springs Road); Shasta National Forest, Highway 97 1066 Comment
  UC1540000  Phacelia linearis M. Mitchell 1936-5-14 19 Siskiyou Captain Jack's Stronghold Lava Beds National Monument 1554 Comment
  CHSC70140  Phacelia mutabilis Jennifer Whipple 1977-7-22 2030 Siskiyou Mount Eddy, Klamath Mountains. Near Dobkins Lake. 2133 Comment
  HSC2398  Phacelia mutabilis William J. Ferlatte 1966-8-18 418 Siskiyou Along S Fork of Salmon River between the campground and Carter's 1524 Comment
  JEPS25840  Phacelia mutabilis Rimo Bacigalupi with L. Constance and L. Heckard 1960-7-20 7454 Siskiyou about 13 air mi nw Happy Camp (along Del Norte-Siskiyou Co. boundary (ridge top) dividing Indian Creek drainage from that of the Illinois River, leading to Twin Valley) 1584 Comment
  SBBG21895  Phacelia mutabilis D. Myrick 1964-7-25 956 Siskiyou Shasta Ski Bowl Hwy, Mt Shasta 1219 Comment
  UC1190246  Phacelia mutabilis Ira L. Wiggins 1955-7-29 13579 Siskiyou summit of ridge above Thompson Creek (trail to Caribou Lake) 1999 Comment
  HSC29259  Phacelia mutabilis Frederick W. Oettinger 1968-8-11 482 Siskiyou Salmon Mtns., just below Tom Taylor Cabin Spring 2043 Comment
  HSC75096  Phacelia pringlei J. P. Smith, Thomas W. Nelson 1979-6-15 10118 Siskiyou Klamath National Forest, road to Carmen Lake, 0.6 mi. from its junction with Hwy. 3 1646 Comment
  HSC75498  Phacelia procera K. T. Stillman 1976-8-7 216 Siskiyou Marble Mtn. Wilderness Area, Elk Valley 1829 Comment
  CAS-BOT-BC141450  Phacelia ramosissima var. eremophila Doris K. Kildale 1929-6-25 8363 Siskiyou 6 miles north of Klamath River at Hornbrook 609 Comment
  CHSC71515  Phalaris arundinacea Vernon H. Oswald; Lowell Ahart 1998-7-21 9327 Siskiyou Hwy. 97 between Weed and Macdoel at the west end of Grass Lake. Along the edge of the marsh. 1524 Comment
  HSC20256  Philadelphus californicus C. B. Wolf 1927-8-26 1044 Siskiyou Along Klamath River, 4 mi. N of Gottville Comment
  CAS-BOT-BC77415  Philadelphus lewisii Doris K. Kildale 1928-8-18 6418 Siskiyou North Fork Salmon River at Finley 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
  CAS-BOT-BC77411  Philadelphus lewisii Ira L. Wiggins 1955-7-21 13431 Siskiyou Small gulch on Rush Creek Trail 1.5 mi. above Mt. View Ranch 1036 Comment
  UCD77913  Phleum alpinum Robert E. Preston 2001-6-23 1605 Siskiyou Klamath National Forest, n-facing slope of Rainbow Mtn, T42N R1W nw 1/4 of nw 1/4 Section 23 2011 Comment
  HSC36671  Phlox adsurgens Brent Whitely 1975-6-28 Siskiyou 915 Comment
  CHSC3383  Phlox diffusa Alice L. Stoll 1966-5-14 202 Siskiyou 7 miles S.E. of Callahan. Alongside the Old Oregon Stage Road. 1219 Comment
  HSC19155  Phlox diffusa J. O. Sawyer 1969-7-24 1484 Siskiyou NE facing seep SW of Sugar Lake 1890 Comment
  HSC4822  Phlox diffusa J. O. Sawyer 1968-7-22 556 Siskiyou Between Handcock and Diamond Lakes 1951 Comment
  UCSB25045  Phlox diffusa Keefe, Joseph 1967-7-11 Siskiyou Near summit of hill by Little Castle Lake; south of Castle Lake; 10 miles southwest of town of Mt. Shasta 2011 Comment
  HSC40274  Phlox diffusa J. D. Ackerman, A. M. Montalvo 1975-7-18 580 Siskiyou Gumboat Lake Comment
  RSA275280  Phlox diffusa subsp. diffusa J. P. Smith 1973-5-5 6472 Siskiyou Along Cook and Green Pass road. Comment
  UC1017713  Phlox douglasii subsp. rigida Marion Ownbey and Ruth P. Ownbey 1938-7-20 1762 Siskiyou near Dry Lake Lookout (summit of Siskiyou Mountains); Siskiyou Mountains Comment
  UC726851  Phlox gracilis A. A. Heller 1916-6-20 12396 Siskiyou ne base Mt. Eddy (Metcalf's ranch) 1188 Comment
  RSA123785  Phlox hoodii subsp. canescens G. D. Barbe 1955-7-6 117 Siskiyou Dry areas above NE shore of Taylor lake, Salmon Mtns. 1951 Comment
  HSC39318  Phlox speciosa subsp. nitida J. P. Smith 1974-5-26 7382 Siskiyou Along FS Rd. 47N03 1524 Comment
  HSC82561  Phlox speciosa subsp. nitida Thomas W. Nelson, Jane P. Nelson 1979-5-26 4718 Siskiyou Along Hwy. 3, N of Scott Mtn. Summit, at junction with FS Rd. 40N03 1524 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
  UC455645  Phlox speciosa subsp. nitida I. J. Condit 1911-7-5 Siskiyou near Shasta Retreat; Mt. Bradley 1981 Comment
  UC1034578  Phlox speciosa subsp. occidentalis unknown 1955-7-26 266 Siskiyou nw slope Scott Mtn.; Klamath Mountains 1828 Comment
  UC1186128  Phlox speciosa subsp. occidentalis Herbert L. Mason 1929-5-18 5331 Siskiyou s of Yreka Comment
  RSA104265  Phlox speciosa subsp. occidentalis Elizabeth Sprague 1956-6-3 s.n. Siskiyou 10 miles south of Yreka on Highway 99 Comment
  RSA47600  Phlox speciosa subsp. occidentalis Roxana S. Ferris, Laura Lorraine 1948-6-12 11848 Siskiyou Gazelle Mountain grade, road between Callahan and Gazelle. 1500 Comment
  RSA431456  Phoenicaulis cheiranthoides L. C. Wheeler 1934-8-9 3078 Siskiyou Head of Jaynes Canyon. Siskiyou Mtns. (Mt. Diablo Mer.) 1921 Comment
  CAS-BOT-BC135025  Phoradendron bolleanum Alice Eastwood 1922-10-23 11559 Siskiyou Yreka Comment
  JEPS95661  Phoradendron densum Vernon H. Oswald and L. Ahart 1999-7-5 9814 Siskiyou Gazelle Mtn. on road 41N03 1.0 mi southeast of Gazelle-Callahan Hwy.: T41N R7W Sect. 3, 5100 ft, yellow pine forest, serpentine substrate. Parasitic on juniper (Juniperus occidentalis). 1554 Comment
  HSC95685  Phyllodoce empetriformis Juha Pykala, D. H. Norris 1987-6-26 1949 Siskiyou Marble Mtn. Wilderness, Tickner Hole 1768 Comment
  RSA237315  Phyllodoce empetriformis Frederick W. Oettinger 1967-7-8 164 Siskiyou Near Big Blue Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2104 Comment
  UC61670  Phyllodoce empetriformis Geo. B. Grant Sept, 1902 5122 Siskiyou Mount Shasta, Horse Camp Mount Shasta; , Horse Camp 2438 Comment
  UCD117724  Phyllodoce empetriformis R. Tofsrud; J. M. Tucker 1948-8-2 1767 Siskiyou Panther Meadows, south slope of Mt. Shasta. 2407 Comment
  HSC82286  Physaria occidentalis Thomas W. Nelson, Jane P. Nelson 1979-6-15 4807 Siskiyou Along road to Carmen Lake, 0.6 mi. from junction with State Route. 1646 Comment
  CAS-BOT-BC210239  Physaria occidentalis subsp. occidentalis Dana York 2011-8-12 3040 Siskiyou Marble Mountain Wilderness. Klamath National Forest, Marble Mountain 2075 Comment
  CAS-BOT-BC140604  Physocarpus capitatus John Thomas Howell 1937-7-22 13287 Siskiyou South Fork of Salmon River near Big Flat 1524 Comment
  UC1736325  Physocarpus capitatus Dean W. Taylor 1972-7-3 1602 Siskiyou Cook and Green Pass 1371 Comment
  HSC31991  Picea breweriana Steve Selva, Roger Jensen 1974-8-16 18 Siskiyou Seepy areas along Sugar Lake trail Comment
  HSC68989  Picea breweriana Maralyn A. Renner 1980-8-7 2372 Siskiyou Ridge just E of saddle, S of Rattlesnake Meadow 1799 Comment
  CAS-BOT-BC78168  Picea breweriana W. R. Dudley 1899-7-6 s.n. Siskiyou South slope Siskiyou near Big Meadow Comment
  NY30477  Picea breweriana L. E. Berriman 1940-9-17 s.n. Siskiyou This specimen represents an endangered or threatened species. The specific locality has been removed from this record to protect this species from over-collection. These data may be supplied to researchers on request. Comment
  UC1349434  Pinus attenuata H. Bowerman 1942-11-7 8676 A Siskiyou e slope of dry ridge Siskiyou National Forest Comment
  CAS-BOT-BC78402  Pinus balfouriana Gilbert J. Muth 1969-8-10 1355 Siskiyou Ridge west of Boulder Peak 2225 Comment
  UC1199672  Pinus balfouriana James B. Roof, Irja Knight 1962-10-23 Siskiyou 6 mi s Callahan (between Mill Creek Lake and Washbasin Lake); Klamath Nat. Forest, Callahan District, Scott Mts. 1828 Comment
  HSC68674  Pinus contorta Maralyn A. Renner 1980-7-4 1434 Siskiyou Clear Creek Trail, N of Trout Camp. 1067 Comment
  HSC32587  Pinus contorta var. murrayana Steven Lagos 1974-5-26 92 Siskiyou Little Duck Lake and the ridge above it 2073 Comment
  CAS-BOT-BC78713  Pinus jeffreyi Gilbert Muth 1966-7-27 457 Siskiyou Marble Gap, Marble Mts. 2042 Comment
  CAS-BOT-BC78715  Pinus jeffreyi Peter H. Raven 1956-9-5 10460 Siskiyou North Fork of Sacramento River 1828 Comment
  UC1313007  Pinus jeffreyi J. M. Tucker 1963-8-18 3768 Siskiyou just above the saddle between Marble sw ridge of Black Mountain; Marble Mountain Wilderness Area 2103 Comment
  NY61575  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-BC73143  Pinus lambertiana W. R. Dudley 1899-8-9 s.n. Siskiyou South slope of Black Butte, W. of Mt. Shasta. Comment
  CAS-BOT-BC73145  Pinus lambertiana Wm. Bridge Cooke 1938-9-2 11598 Siskiyou Sisson Southern Trail. 1524 Comment
  RSA24087  Pinus lambertiana C. B. Wolf 1940-12-11 9796 Siskiyou Siskiyou County: Siskiyou Mts, 8 miles above oak Knoll ranger station on road to dry lake lookout. 1524 Comment
  SBBG349  Pinus monticola J. F. Davidson, J. M. Tucker 1947-5-17 1565 Siskiyou summit of Scott Mtn 2072 Comment
  CAS-BOT-BC72869  Pinus ponderosa Doris K. Kildale 1929-5-26 9188 Siskiyou Hawkins Bar on Salmon River 609 Comment
  CAS-BOT-BC231006  Plagiobothrys hispidulus A. A. Heller 1919-6-25 13264 Siskiyou Compton's prairie, N base of Mount Eddy 1158 Comment
  HSC92949  Plagiobothrys hispidulus Thomas W. Nelson, Jane P. Nelson 1985-6-19 7826 Siskiyou In and about Scott Mtn. Campground 1646 Comment
  UCD77290  Plagiobothrys hispidulus Robert E. Preston 2002-6-20 1847 Siskiyou Klamath National Forest, Rainbow Mountain, W ridge, on E-facing slope 1968 Comment
  JEPS69749  Plagiobothrys hispidus W. B. and V. G. Cooke 1972-6-30 45416 Siskiyou above Andesite Crossing (Military Pass Road); Mt. Shasta 1524 Comment
  UC164106  Plagiobothrys nothofulvus Geo. D. Butler 1910-4-10 1164 Siskiyou near Yreka Comment
  UC163849  Plagiobothrys reticulatus Geo. D. Butler 1910-5-29 1424 Siskiyou near Yreka Comment
  UC450116  Plagiobothrys tenellus Geo. D. Butler 1910-4-10 1163 Siskiyou Yreka hills Comment
  POM72155  Plagiobothrys tenellus Geo. D. Butler 1909-4-18 633 Siskiyou Yreka. Comment
  SD64364  Plantago indica Darley F. Howe 1966-8-27 Siskiyou 8.5 miles north of Weed on Highway 97. 1189 Comment
  RSA237607  Plantago major Frederick W. Oettinger 1969-8-13 1359 Siskiyou Where stock are kept at English Lake main campsite. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1753 Comment
  HSC67711  Platanthera dilatata var. leucostachys John S. Palmer 1980-7-24 611 Siskiyou Elk Hole 1503 Comment
  UC673594  Platanthera leucostachys D. Tebbe 1929-6-7 145 Siskiyou Mount Eddy Comment
  RSA382919  Platanthera sparsiflora Louis C. Wheeler 1934-8-10 3092 Siskiyou Siskiyou Mountains, Jaynes Canyon. Mt. Diablo Mer 1372 Comment
  RSA78325  Platanthera sparsiflora Philip A. Munz 1952-7-1 17860 Siskiyou Baldy Mtn road, NW of Happy Camp, Siskiyou Mts. 1220 Comment
  CAS-BOT-BC136654  Platanthera stricta Louis C. Wheeler 1934-8-10 3092 Siskiyou Field redacted by CAS, contact the data manager for more information 1371 Comment
  RSA183651  Platanthera stricta Gilbert Muth 1965-8-4 169 Siskiyou Marble Mountains, Marble Valley Comment
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Sep 6 2009
  UC61048  Plectritis brachystemon W. A. Setchell, C. C. Dobie 1902-7-13 Siskiyou Mount Shasta, Sisson Mount Shasta; , Sisson Comment
  UC416747  Plectritis ciliosa subsp. ciliosa F. W. Hooper 18 Siskiyou Little Shasta Comment
  CAS-BOT-BC261038  Poa Melissa A. Berry 1957-7-6 s.n. Siskiyou Heather Lake, near Salmon Mt. 1981 Comment
  CAS-BOT-BC261047  Poa Dorothy Parker 1957-7-16 s.n. Siskiyou Cabin Meadow Creek, Scott Mt. Range 1828 Comment
  RSA484227  Poa M. B. Dunkle 1945-1 9325 Siskiyou Klamath National Forest, Marble Mountains. 2439 Comment
  POM259586  Poa bolanderi J. T. Howell 1939-8-9 15218 Siskiyou Sky High Valley, Marble Mountains. 1829 Comment
  UC1265390  Poa bolanderi Frederick W. Oettinger 1969-8-16 1395 Siskiyou sw of Wire Grass Meadow above English Lake; Salmon Mts, High Lake Basins, Marble Mt Wilderness Area 1676 Comment
  CAS-BOT-BC254990  Poa bulbosa J. H. Thomas 1954-5-14 4168 Siskiyou Salmon Mountains, Klamath National Forest. Near S Fork of Salmon River, 5-9 miles SE of Cecilville, along N side of river 1219 Comment
  HSC65257  Poa bulbosa J. P. Smith 1973-5-5 6394 Siskiyou In and around the O'Neill Campground near Seiad Valley. 488 Comment
  RSA0030867  Poa bulbosa Louis C. Wheeler 1935-6-1 3536 Siskiyou Yreka Creek, Siskiyou Mts., Mt. Diablo Meridian 853 Comment
  HSC30577  Poa cusickii subsp. epilis Frederick W. Oettinger, R. F. Thorne 1969-8-5 1218 Siskiyou Marble Mountain Wilderness Area, Crapo View Gap above English Lake. 1829 Comment
  RSA239030  Poa cusickii subsp. epilis Frederick W. Oettinger 1968-8-3 449 Siskiyou Slope between Upper English Lake and trail to English Peak and Hancock Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area 2165 Comment
  SEINET10655749  Poa epilis A. Arthur Heller 1921-7-17 Heller 13579 Siskiyou Gravelly slope of Mt. Eddy south of Wagon creek at about 7500 feet in the Canadian zone. Comment
  SEINET234712 Image available Poa fibrata Louis C. Wheeler 1935-6-30 3629 Siskiyou 3 miles south of Grenada Shasta Valley 790 Comment
  UCD91799  Poa palustris W. Bill Jarvis 1963-8-1 s.n. Siskiyou near Macdoel. Ladino Clover Pasture. Comment
  CAS-BOT-BC256018  Poa pratensis John Thomas Howell; T. C. Fuller 1980-4-29 53431 Siskiyou Along East Fork Scott River 2 miles east of Callahan on road to Gazelle 990 Comment
  HSC34093  Poa pratensis J. O. Sawyer 1969-7-18 1433 Siskiyou SW facing slope above Deacon Lee Trail 2195 Comment
  RSA22128  Poa pratensis J. T. Howell 1937-7-23 13347 Siskiyou South Fork of Salmon River near Big Flat 1524 Comment
  HSC76917  Poa pringlei K. T. Stillman 1976-6-26 129 Siskiyou Marble Mtn. Wilderness Area, top of ridge W of Kings Castle. 2073 Comment
  RSA215630  Poa pringlei Gilbert Muth 1969-8-10 1309 Siskiyou Ridge west of Boulder Peak 2226 Comment
  UC1151684  Poa pringlei A. H. Murphy 1959-7-22 59 L Siskiyou summit between Bear Creek and Toad Lake; Shasta Nat'l Forest 2346 Comment
  UCD91765  Poa pringlei Freed W. Hoffman 1950-7-13 3655 Siskiyou western side of Baldy Mountain. Comment
  SEINET10602273  Poa rhizomata George D. Butler 1910-4-21 Butler 1206 Siskiyou Ditch bank, Kidder Creek. Comment
  JEPS116631  Poa secunda Julie Kierstead Nelson with Rhonda Posey 2007-6-15 2007 -007 Siskiyou North side of Mt. Shasta, south of Hwy 97 Mt. Shasta 1090 Comment
  RSA211236  Poa secunda William J. Ferlatte 1966-6-22 114 Siskiyou Josephine Lake basin; Trinity Alps. 1677 Comment
  CAS-BOT-BC243218  Poa secunda subsp. secunda A. A. Heller 1919-6-25 13266 Siskiyou Compton's prairie, N base of Mount Eddy 1158 Comment
  CAS-BOT-BC243241  Poa secunda subsp. secunda Gilbert J. Muth 1969-8-6 1213 Siskiyou Boulder Peak Comment
  JEPS40859  Poa wheeleri Paul C. Hutchison 1961-8-2 937 -A Siskiyou between top of ski lift and Panther Meadow; Mt Shasta 2621 Comment
  UCD52736  Podagrostis humilis A. H. Murphy 1954-8-11 54 D Siskiyou Round Meadow, Klamath National Forest, USFS. Comment
  HSC19298  Polemonium californicum J. O. Sawyer 1969-6-2 1007 Siskiyou Summit above Albert Lake 2256 Comment
  HSC44955  Polemonium californicum J. O. Sawyer 1978-6-16 3218 Siskiyou Marble Mtn. Wilderness along trail to Elk Valley 1921 Comment
  JEPS80553  Polemonium californicum Gilbert Muth 1965-8-8 196 Siskiyou Marble Wilderness Area Marble Mt. Wilderness Area 1828 Comment
  CAS-BOT-BC232901  Polemonium carneum Louise A. Boyd; Katherine Donahoe 1923-5-1 s.n. Siskiyou Near Oregon boundary Comment
  CHSC1308  Polemonium carneum V. Holt 1941-6-1 Siskiyou Siskiyou mountains. Comment
  CHSC71309  Polemonium micranthum Vernon H. Oswald; Lowell Ahart 1998-6-11 9218 Siskiyou Butte Valley National Grassland near the junction of Meiss Lake-Sams Neck Rd. and Hwy. 97 ca. 5 mi north of Macdoel. 1295 Comment
  UC335946  Polemonium occidentale J. G. Lemmon 1889-6-26 Siskiyou Edgewood Comment
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Jun 26 2012
  UC1732953  Polyctenium fremontii Kay H. Beach, Frank Gould 1940-5-16 646 Siskiyou drying vernal pool about 24 miles north of Weed, on the road to Klamath Falls. Comment
  SEINET5845278  Polygala cornuta D. Parker, W. Roderick 1967-7-25 s.n. Siskiyou Cabin Meadow, Scott Mountain 1829 Comment
  JEPS95388  Polygala cornuta var. cornuta Vernon H. Oswald and L. Ahart 1994-8-1 6417 Siskiyou T39N R5W Sec. 10, 4400 ft, Yellow Pine Forest. Forest Rd. 26 paralleling the South Fork of the Sacramento River, 1.5 mi E of Forest Rd. 40N43, 7.8 mi SW of the dam at Lake Siskiyou 1341 Comment
  SEINET10885041  Polygala cornuta var. cornuta Karen M. Meyer, Andrew Townesmith 2007-7-31 Meyer 177 Siskiyou Shasta-Trinity National Forest. 6.2 on NF Rd. 17, off US Hwy. 97. 1350 Comment
  RSA715950  Polygonum arenastrum L. Ahart 2005-6-10 12060 Siskiyou Near a poor dirt road 80 yards N of the pump house along the Shasta River, 1.9 miles air S of Hwy 99/97 Cutoff, 6 miles air E SE of Grenada. 777 Comment
  JEPS82423  Polygonum bistortoides Gilbert Muth 1966-8-1 481 Siskiyou Marble Valley horse pasture Marble Mt. Wilderness Ara 1792 Comment
  UCD77938  Polygonum californicum Robert E. Preston 2002-6-22 1883 Siskiyou Ca. 0.6 miles SW of Cayton, on W side of Hwy 89. 958 Comment
  JEPS50539  Polygonum davisiae W. L. Jepson 1907-7-5 2843 Siskiyou Marble Mt. Comment
  POM104466  Polygonum davisiae Geo. D. Butler 1910-7-8 1677 Siskiyou Shackleford Creek. 1829 Comment
  RSA601425  Polygonum davisiae Louis C. Wheeler 1935-6-27 3601 Siskiyou Head of Etna Creek, Marble Mountains. 1799 Comment
  UC375153  Polygonum douglasii subsp. spergulariiforme Geo. D. Butler 1909-5-25 719 Siskiyou hill near Yreka Comment
  UC609355  Polygonum douglasii subsp. spergulariiforme Eleanor Burks Hart 1938-8-13 883 Siskiyou above Scott River 701 Comment
  UC850205  Polygonum minimum Alice Eastwood 1912-8-30 1980 Siskiyou Mount Eddy Comment
  UCD77948  Polygonum minimum Robert E. Preston 2001-7-21 1751 Siskiyou Klamath National Forest, north slope of Rainbow Mountain, T42N R1W se 1/4 Section 15 1767 Comment
  UC1408824  Polygonum phytolaccifolium Frederick W. Oettinger 1968-8-7 437 Siskiyou Hancock Lake Salmon Mountains, Marble Mountain Wilderness Area (e side, w Siskiyou Co.) 1889 Comment
  UC922363  Polygonum phytolaccifolium Annie M. Alexander and Louise Kellogg 1949-7-19 5808 Siskiyou Paradise Lake Marble Mountains 1920 Comment
  JEPS93884  Polygonum polygaloides subsp. confertiflorum Vernon H. Oswald and Lowell Ahart 1998-7-21 9335 Siskiyou 0.4 mi se of Old State Highway to Bray (ne of Weed and e of Grass Lake at a gravel pit on s side of Tennant Road); Tennant Road 1402 Comment
  UC1191237  Polygonum polygaloides subsp. confertiflorum Herbert L. Mason 1948-7-18 13624 Siskiyou Grass Lake Comment
  JEPS50593  Polygonum shastense John G. Lemmon 1888-9-19 Siskiyou Shasta; side Comment
  RSA237974  Polygonum shastense Frederick W. Oettinger 1968-8-22 597 Siskiyou Rock crevices, slope between English Peak and Diamond Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2195 Comment
  UC185761  Polygonum shastense Milo S. Baker July 1899 Siskiyou near Sissons (e slope of mt.); Mt. Shasta, Sacramento River Comment
  UC61690  Polygonum shastense Geo. B. Grant Sept. 1902 5089 Siskiyou Horse Camp Mount Shasta 2438 Comment
  UCD100901  Polygonum shastense Jack Major 1961-7-14 652 Siskiyou ridge above Mud Creek, Mount Shasta. 2316 Comment
  CAS-BOT-BC421063  Polygonum spergulariiforme H. D. Ripley; R. C. Barneby 1948-7-6 9636 Siskiyou Black Butte 1219 Comment
  SBBG29117  Polygonum spergulariiforme L. C. Wheeler 1934-9-26 3303 Siskiyou Siskiyou Mtns; R8W, T$&N, S27 1005 Comment
  CAS-BOT-BC76832  Polypodium glycyrrhiza Lincoln Constance; Reed C. Rollins 1942-5-13 2908 Siskiyou Klamath River, 4 miles east of Seiad. 457 Comment
  JEPS73743  Polypogon monspeliensis George D. Butler 1908-6-27 471 Siskiyou along creek Butler's Ranch near Yreka; Butler's Ranch Comment
  RSA715631  Polypogon monspeliensis L. Ahart, John Dittes 2005-6-9 12003 Siskiyou About 3/5 mile (air) south of Highway 99/97 Cutoff, about 2 1/2 miles (air) east-southeast of Grenada. 775 Comment
  HSC18929  Polystichum imbricans J. O. Sawyer 1969-6-11 843 Siskiyou Above C.C.C. road. 1287 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
  JEPS83824  Polystichum imbricans subsp. imbricans Wayne Roderick July 1976 Siskiyou near Lily Pad Lake (vicinity of Cook and Green Pass); Siskiyou Mts. 1828 Comment
  UC1400748  Polystichum imbricans subsp. imbricans Alan R. Smith 1972-5-20 571 Siskiyou along rd. from Callahan to Somes Bar (between Cecilville and Forks of Salmon) Comment
  HSC36663  Polystichum imbricans subsp. imbricans Brent Whiteley 1975-6-21 19 Siskiyou 223 Comment
  UC42137  Polystichum kruckebergii unknown 1878-6-16 Siskiyou near Mt. Shasta Comment
  CAS-BOT-BC72378  Polystichum lemmonii Ira L. Wiggins 1950-5-28 12378 Siskiyou just above Grouse Lake (headwaters of Grouse Creek) 1828 Comment
  HSC92662  Polystichum lemmonii Jennifer Whipple 1976-8-20 1730 Siskiyou Wagon Creek Drainage near Wagon Creek 2195 Comment
  UCR110585  Polystichum lemmonii L. C. Wheeler 1963-8-25 8272 Siskiyou S side of Preston Peak at the head of Rattlesnake Creek. 1829 Comment
  HSC76642  Polystichum lemmonii K. T. Stillman 1976-6-26 115 Siskiyou Marble Mtn. Wilderness Area 2012 Comment
  CAS-BOT-BC72398  Polystichum lonchitis Gilbert Muth 1965-8-3 s.n. Siskiyou Pothole in Marble, Marble Valley Comment
  LA2445  Polystichum lonchitis Louis Wheeler; 1934-8-6 3058 Siskiyou Rock Gulch off Jaynes Canyon 1828 Comment
  RSA237509  Polystichum lonchitis Frederick W. Oettinger 1968-9-2 661 Siskiyou Above Upper English Lake. Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountains Wilderness Area. 1875 Comment
  HSC79137  Polystichum scopulinum C. J. Thomas 1983-10-1 98 Siskiyou Box Camp Mtn. Ridge in Marble Mtn. Wilderness, 0.5 mi. from trail 2098 Comment
  RSA238001  Populus tremuloides Frederick W. Oettinger 1967-8-21 313 Siskiyou Northwest of Pine Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1878 Comment
  UC618728  Populus tremuloides W. Bridge Cooke 1938-8-23 11577 Siskiyou top of the Shastina Lava Park Mount Shasta (n side Shastina); , , n side Shastina Comment
  CAS-BOT-BC102958  Populus trichocarpa W. B. C. 1939-8-10 13855 Siskiyou in the upper portion of Mud Creek Canyon 1828 Comment
  JEPS94388  Porterella carnosula Vernon Oswald and Lowell Ahart 1997-7-28 8806 Siskiyou 10.9 mi n of Highway 89 (on the e side of Forest Route 15); Forest Route 15 1383 Comment
  SEINET10460781  Porterella carnosula A. Arthur Heller 1940-7-23 Heller 15758 Siskiyou Grass Lake on U.S. Highway 97 1561 Comment
  JEPS42976  Potamogeton foliosus Geo. D. Butler 1909-9-12 882 Siskiyou Oro Fino Comment
  CAS-BOT-BC267172  Potamogeton foliosus A. A. Heller 1925-7-28 13908 Siskiyou In Abrams Lake near the town of Mount Shasta 1066 Comment
  JEPS117618  Potamogeton pusillus var. tenuissimus Lowell Ahart, John Dittes 2010-7-30 16963 Siskiyou In the Shasta River, about 30 yards northwest of the East Louie Road Bridge, Shasta Big Springs Ranch, 1.6 miles (air) southwest of Big Springs Lake, 4.6 miles (air) northwest of Dwinnel Dam, 5.7 miles (air) southeast of Grenada 716 Comment
  HSC90540  Potentilla breweri Jennifer Whipple 1976-6-19 1052 Siskiyou Near Durney Lake 2073 Comment
  UC12511  Potentilla breweri Harley P. Chandler June, 1901 1697 Siskiyou near Marble Mountain; North Coast Ranges, near Marble Mountain 1524 Comment
  HSC90530  Potentilla cristae Jennifer Whipple 1977-7-20 1986 Siskiyou N slopes of Mt. Eddy 2530 Comment
  JEPS84266  Potentilla drummondii L. R. Heckard with S. D'Alcamo, J. Hickman, S. Winchester 1986-7-16 6372 Siskiyou ca 1/2 mi e Red Butte summit (ca 7 mi nne of Seiad Valley, w of Cook and Green Pass); nne Seiad Valley, e of Red Butte summit, w Cook and Green Pa 1900 Comment
  CAS-BOT-BC143258  Potentilla flabellifolia Annie M. Alexander; Louise Kellogg 1949-7-28 5875 Siskiyou Sky High Valley, Marble Mountains 1767 Comment
  HSC19187  Potentilla flabellifolia J. O. Sawyer 1968-7-9 434 Siskiyou W of Little Duck Lake. 1936 Comment
  HSC69361  Potentilla flabellifolia Maralyn A. Renner 1980-8-19 2487 Siskiyou S side of Caribou Lake 2104 Comment
  JEPS93908  Potentilla fruticosa Vernon H. Oswald and Lowell Ahart 1998-8-3 9439 Siskiyou w of Kangaroo Lake (near the Pacific Crest Trail in the Scott Mountains); Scott Mountains 1981 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
  POM208202  Potentilla glandulosa var. nevadensis Louis C. Wheeler 1934-6-19 2732 Siskiyou Cottonwood Creek, Siskiyou Mts. 1433 Comment
  RSA237856  Potentilla glandulosa var. nevadensis Frederick W. Oettinger 1968-8-15 526 Siskiyou E side of Hancock lake. Salmon Mtns. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1921 Comment
  HSC61837  Potentilla gracilis Ruby Van Deventer 1939-7-18 Siskiyou Poker Flat 1585 Comment
  CHSC88116  Potentilla gracilis var. fastigiata Jenny Marr 1993-7-1 126 Siskiyou Butte Valley Wildlife Area, +/- 7 air miles NW of the town of MacDoel. Meadow NW of Meiss Lake. 1349 Comment
  CAS-BOT-BC540568  Potentilla gracilis var. fastigiata John Thomas Howell 1937-7-23 13343 Siskiyou South Fork of Salmon River near Big Flat 1524 Comment
  HSC78221  Potentilla gracilis var. fastigiata L. P. Janeway 1983-8-28 628 Siskiyou At Poker Flat. Dry W side of lower portion of meadow. 1524 Comment
  RSA105311  Potentilla millefolia M. S. Baker 1955-6-26 13080 Siskiyou Shasta Valley, between Weed and Gazella. 915 Comment
  JEPS93984  Potentilla newberryi Vernon H. Oswald 1998-6-27 9241 Siskiyou ca. 22 air mi. n.e. Weed (Dry Lake on s. side of Tennant Rd. ca. 9 air mi. e. of Grass lake) 1402 Comment
  CHSC71501  Poteridium annuum Vernon H. Oswald; Lowell Ahart 1998-7-21 9344 Siskiyou Northeast of Weed and east of Grass Lake on the south side of Tennant Rd. 0.2 mi southeast of Old State Hwy. to Bray and on the east side of the intermittent stream draining Dry Lake. 1402 Comment
  CAS-BOT-BC64623  Primula suffrutescens Lester Rowntree 1937-7-25 s.n. Siskiyou Caribou Lake. Comment
  HSC19563  Prosartes hookeri J. O. Sawyer 1968-6-19 250 Siskiyou Lower slopes of valley near Blake's Fork. 1616 Comment
  CAS-BOT-BC516388  Prosartes hookeri Alice Eastwood 1921-7-31 s.n. Siskiyou Shasta Springs Comment
  UC618719  Prunella vulgaris var. lanceolata W. Bridge Cooke 1938-7-15 11189 Siskiyou Bear Springs Mount Shasta (Mount Shasta) Comment
  RSA593947  Prunus emarginata Louis C. Wheeler 1963-9-3 8335 Siskiyou Siskiyou Mountains. Cyclone Gap chrome mine. Comment
  CAS-BOT-BC158225  Prunus emarginata W. R. Dudley 1901-8-25 s.n. Siskiyou Near 14 mile Post, Salmon Creek, Salmon Mts. Comment
  UCSB23231  Prunus emarginata Keefe, Joseph 1967-7-11 Siskiyou East shore of Castle Lake, 10 miles southwest of city of Mt. Shasta. 1706 Comment
  CAS-BOT-BC154677  Prunus subcordata Geo. D. Butler 1910-4-12 1170 Siskiyou Yreka Creek Comment
  CAS-BOT-BC151234  Prunus virginiana var. demissa L. E. Smith 1912-7-1 s.n. Siskiyou Weed Comment
  CAS-BOT-BC159452  Prunus virginiana var. demissa L. R. Short 1933-5-24 131 Siskiyou Klamath Forest 548 Comment
  CHSC63596  Pseudognaphalium stramineum Vernon H. Oswald; Lowell Ahart 1994-8-10 6451 Siskiyou Pilgrim Creek Rd. (FS13) at Mud Creek, 2.7 mi N of Hwy. 89, ca. 4.5 mi (air) NE of McCloud. 1097 Comment
  CAS-BOT-BC239814  Pseudoroegneria spicata Milo S. Baker 1955-6-26 1383 Siskiyou Shasta Val., bet. Weed and Gazelle 914 Comment
  CAS-BOT-BC239822  Pseudoroegneria spicata David D. Keck 1949-7-19 6354 Siskiyou 6.5 mi. SW of Yreka on road to Ft. Jones, nr. head of Yreka Creek 1127 Comment
  SEINET8233950  Pseudoroegneria spicata Unknown 2007-6-17 Siskiyou California Siskiyou County, Cottonwood Peak. 1516 Comment
  POM206496  Pseudoroegneria spicata subsp. spicata C. F. Baker 1903-9-7 3797 Siskiyou Mt. Eddy. Comment
  UC165990  Pseudostellaria jamesiana Geo. D. Butler 1910-6-4 1493 Siskiyou Shackleford Creek Comment
  HSC31981  Pseudotsuga menziesii var. menziesii Steve Selva, Roger Jensen 1974-8-17 23 Siskiyou 300 yds above base of Sugar Lake Trail along USFS Rd. 40N23 (Road 8) Comment
  UC42931  Pteridium aquilinum var. pubescens Marshall A. Howe 1894-8-8 Siskiyou Shasta Soda Springs Comment
  UC1408847  Pteridium aquilinum var. pubescens Frederick W. Oettinger 1968-8-14 513 Siskiyou vicinity of English Peak, Marble Mountain Wilderness Area; 0.1 mi e. of Tom Taylor Cabin Comment
  CAS-BOT-BC460549  Pterospora andromedea Wayne Roderick 1967-7-27 s.n. Siskiyou High road S of Etna 1676 Comment
  CHSC88366  Puccinellia nuttalliana Jenny Marr 1993-7-1 172 Siskiyou Butte Valley Wildlife Area, +/- 7 air miles NW of the town of MacDoel. Meadow NW of Meiss Lake. 1349 Comment
  HSC67754  Purshia tridentata var. tridentata J. O. Sawyer, J. Cole 1980-7-21 3862 Siskiyou N of FS Rd. 44N01 near intersection with road to Lava Camp. 1677 Comment
  UC164303  Purshia tridentata var. tridentata Geo. D. Butler 1910-4-16 1184 Siskiyou Shasta River Comment
  HSC4788  Pyrola crypta William J. Ferlatte 1966-8-5 326 Siskiyou N side of Caribou Mtn. 1982 Comment
  HSC4789  Pyrola crypta William J. Ferlatte 1966-8-4 320 Siskiyou Big Flat, wooded area near public camp 1524 Comment
  CAS-BOT-BC462804  Pyrola dentata L. E. Smith no date on label s.n. Siskiyou North side of Mt. Shasta: Weed Comment
  CHSC33838  Pyrola picta J. D. Prouty 1981-7-13 1232 Siskiyou The W slope of Lookout Point. 1615 Comment
  HSC19197  Pyrola picta J. O. Sawyer 1968-6-18 202 Siskiyou Above S Russian Creek, below the Blake's Fork confluence. 1463 Comment
  UC618902  Pyrola picta W. Bridge Cooke 1938-5-8 11454 Siskiyou Mount Shasta, Sisson Southern Trail Sisson Southern Trail; Mount Shasta, Sisson Southern Trail 1828 Comment
  CAS-BOT-BC466127  Pyrola picta Alice Eastwood 1912-7-15 1116 Siskiyou McCloud Comment
  CAS-BOT-BC466129  Pyrola picta Alice Eastwood 1921-7-24 10800 Siskiyou Castle Lake Comment
  SD75841  Pyrola secunda D. F. Howe 1969-8-30 4672 Siskiyou Blake's Creek, north fork Salmon River, 20 miles southwest of Aetna 1829 Comment
  CDA8519  Pyrrocoma racemosa var. congesta T. C. Fuller 1958-8-13 Siskiyou Scott Valley, 5 miles south of Ft. Jones. 0 Comment
  POM52309  Pyrrocoma racemosa var. paniculata Geo D. Butler 1910-8-21 1843 Siskiyou Shasta Valley Comment
  CAS-BOT-BC362390  Pyrrocoma racemosa var. racemosa Geo. D. Butler 1910-8-21 1843 Siskiyou Shasta Valley Comment
  CAS-BOT-BC68604  Quercus chrysolepis Dr. A. Kellogg; W. G. W. Harford 1868-9 915 Siskiyou Ukiah Comment
  HSC73453  Quercus chrysolepis Grunert 36 Siskiyou Rd. 41N41 8 mi from Hwy. 3 1463 Comment
  RSA573417  Quercus chrysolepis Louis C. Wheeler 1934-9-4 3242 Siskiyou Bear Creek off West Fork Beaver Creek. 1372 Comment
  UC375247  Quercus chrysolepis Geo. D. Butler 1908-7-19 1075 Siskiyou Humbug Creek Comment
  CAS-BOT-BC94664  Quercus garryana C. Hart Merriam 1919-9-24 s.n. Siskiyou Ager Comment
  HSC8239  Quercus garryana C. B. Wolf 1927-8-27 1109 Siskiyou Klamath River at Happy Camp. Comment
  LA205288  Quercus garryana Louis Wheeler; 1934-10-7 3312 Siskiyou Siskiyou Mountains, Oak Knoll Ranger Station, Klamath River 670 Comment
  SD76160  Quercus garryana Helen V. Witham 1969-10-7 575 Siskiyou Scott River Valley, 10 miles west of Ft. Jones. 700 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
  RSA96850  Quercus garryana var. breweri Percy C. Everett, E. K. Balls 1954-10-13 20288 Siskiyou Indian Creek road to Obrien, at summit of pass, 21 mi. n.w. from Hwy 96 at Happy Camp. 1555 Comment
  CAS-BOT-BC105464  Quercus kelloggii Mrs. Pettibone 1894-8-7 s.n. Siskiyou Upper Soda Springs Comment
  UC705918  Quercus kelloggii Marion Ownbey, Fred G. Meyer 1940-7-7 2214 Siskiyou Cayenne Ridge Marble Mountain Comment
  CAS-BOT-BC104340  Quercus sadleriana Baki Kasapligil 1981-6-26 6188 Siskiyou Between road junction going to Bolan Lake (glacier lake) Comment
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Jun 23 2018
  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
  OBI69128  Quercus sadleriana Dieter H. Wilken, E. Painter 2000-8-10 15852 Siskiyou Just S of Del Norte and Josephine (OR) county lines, NNE of Little Grayback, near head of Indian creek. O'Brien-Happy camp road 1500 Comment
  SD75845  Quercus sadleriana Darley F. Howe 1969-9-12 4676 Siskiyou Just south of Little Grayback 1524 Comment
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Jul 11 2010
  UC705929  Quercus sadleriana Marion Ownbey, Fred G. Meyer 1940-7-8 2230 Siskiyou 20 mi n Happy Camp (near summit Siskiyou Mountains); Siskiyou Mountains Comment
  HSC19226  Quercus vacciniifolia J. O. Sawyer 1968-9-10 678 Siskiyou Below Young's Meadow on Clear Creek. 1372 Comment
  HSC69561  Quercus vacciniifolia Maralyn A. Renner 1980-8-6 2288 Siskiyou Along trail, 0.5 mi. SE of Cyclone Gap. 1585 Comment
  JEPS94649  Quercus vacciniifolia Vernon H. Oswald and Lowell Ahart 1998-8-3 9446 Siskiyou Rock Fence Lake Rd. (USFS 41N18) 0.1 mi ne intersection with Kangaroo Lake Rd. (USFS 41N08) (4.9 mi se of Gazelle-Callahan Rd.) 1676 Comment
  UC1409455  Quercus vacciniifolia Frederick W. Oettinger 1968-8-13 507 Siskiyou ne side Hancock Lake (vicinity of English Peak, w Siskiyou County); Salmon Mountains, Marble Mountain Wilderness Area, English P 1935 Comment
  UC338544  Quercus vacciniifolia unknown 1889-9-7 Siskiyou near Sisson's; Mt. Eddy Comment
  UCR95631  Quercus vacciniifolia L. C. Wheeler 1963-9-3 8345 Siskiyou Siskiyou Mtns. Cyclone Gap chrome mine Comment
  JEPS49022  Ranunculus alismifolius var. alismellus Hilda W. Grinnell 1935-6-7 Siskiyou Deer Camp Ranger Station Siskiyou Mts. 1798 Comment
  JEPS55081  Ranunculus alismifolius var. alismifolius Milo S. Baker 1893-8-8 Siskiyou Medicine Lake; near shore Comment
  UC1733728  Ranunculus alismifolius var. alismifolius Frank Gould, Kay H. Beach 1940-5-15 1225 Siskiyou Bull Meadows Comment
  UC375270  Ranunculus aquatilis var. capillaceus Geo. D. Butler 1908-9-15 447 Siskiyou in ditch near Yreka Comment
  HSC28663  Ranunculus aquatilis var. diffusus Frederick W. Oettinger 1969-9-5 1679 Siskiyou Marble Mtn. Wilderness Area, Abbott's Lake 1768 Comment
  JEPS60727  Ranunculus eschscholtzii Geo. D. Butler 1908-8-8 355 Siskiyou Marble Valley Camp 1524 Comment
  UCR37849  Ranunculus eschscholtzii var. suksdorfii K. T. Stillman 1976-6-25 81 A Siskiyou Marble Mountain Wilderness Area. On north side of Elk Valley 1799 Comment
  SEINET3160969  Ranunculus flammula var. reptans G. D. Butler 1910-7-12 1741 Siskiyou Shackleford Creek 1219 Comment
  UC827914  Ranunculus occidentalis Frank W. Gould 1940-5-15 1252 Siskiyou on road from Mt. Hebron to Montague; Bald Mountain 1676 Comment
  UC827920  Ranunculus occidentalis A. A. Heller 1915-7-18 12118 Siskiyou Metcalf's Ranch Mt. Eddy (ne base of mt.) 1188 Comment
  SEINET12100629  Ranunculus occidentalis H. P. Chandler 1901-1 1691 Siskiyou near Marble Mountain 2286 Comment
  RSA49963  Ranunculus orthorhynchus E. K. Balls 1949-7-8 13898 Siskiyou Trail to Carmen Lake from Scott Mountain Camp, Scott Mt. 1707 Comment
  HSC98181  Ranunculus uncinatus William J. Ferlatte 1967-8-23 1109 Siskiyou Head of Kidd Creek 2134 Comment
  POM299039  Rhamnus californica Marion Ownbey 1940-7-8 2224 Siskiyou Dry hillside along Indian Creek. 12 miles above Happy Camp. Comment
  RSA30429  Rhamnus purshiana A. A. Heller 1915-7-18 12132 Siskiyou Metcalf's ranch, NE base of Mt. Eddy in moist soil in the forest. 1189 Comment
  UC80228  Rhamnus rubra Dr. E. B. Copeland 1903-9-6 3863 Siskiyou Mt. Eddy Comment
  CAS-BOT-BC53739  Rhododendron columbianum Gilbert J. Muth 1969-8-10 1349 Siskiyou Buckhorn Lake, along shore 2255 Comment
  UCSB24750  Rhododendron macrophyllum Keefe, Joseph 1967-7-11 Siskiyou 0.5 mile on trail east of Cook and Green Pass, north of Seiad Valley 1676 Comment
  SBBG17619  Rhododendron occidentale M. A. Piehl 1956-8-14 Siskiyou Indian Crk near jade mine Comment
  HSC58864  Rhododendron occidentale var. paludosum Marvin Butler 1971-7-16 145 Siskiyou Near El Capitan Lake, close to the town of Cave Junction 1524 Comment
  JEPS94252  Rhus trilobata Vernon H. Oswald and Lowell Ahart 1998-6-11 9173 Siskiyou ne of Weed (Shasta National Forest plantation on w side of Highway 97, 2.2 mi ne of Lake Shastina-Big Springs Road); Shasta National Forest, Highway 97 1066 Comment
  CAS-BOT-BC438002  Ribes Doris K. Kildale 1928-8-18 6438 Siskiyou Near head of North Fork of Salmon River at Finley's Upper Camp 1524 Comment
  CAS-BOT-BC92537  Ribes binominatum John Thomas Howell 1939-8-3 14958 Siskiyou Spirit Lake Marble Mountains. 1828 Comment
  RSA29916  Ribes binominatum Louis C. Wheeler 1934-7-3 2854 Siskiyou Soda Creek, Sterling Mt. Siskiyou Mountains. (Mt. Diablo Mer.) 1677 Comment
  CAS-BOT-BC92874  Ribes bracteosum T. H. Harris 1951-6-1 s.n. Siskiyou Indian Creek, Happy Camp. 457 Comment
  CAS-BOT-BC108772  Ribes cereum Alice Eastwood 1921-7-28 10896 Siskiyou Little Mount Hoffman. Comment
  HSC92794  Ribes cereum Jennifer Whipple 1976-7-1 1232 Siskiyou Ridge N of Little Crater Lake 2287 Comment
  SEINET515844  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
  UC858421  Ribes cereum A. A. Heller 1938-7-12 15252 Siskiyou 8 mi n Weed (on U.S. Highway 97) Comment
  RSA0024873  Ribes cereum E. K. Balls 1950-5-15 14703 Siskiyou Lava Beds National Monument, below Indian Wells Public Camp. 1402 Comment
  UC1190179  Ribes lacustre Ira L. Wiggins 1955-7-29 13592 Siskiyou 3.5 mi above S. Fork of Salmon River (along Thompson Creek); Thompson Creek 1371 Comment
  JEPS84053  Ribes lobbii L. R. Heckard with S. D'Alcamo, J. Hickman, S. Winchester 1986-7-15 6302 a Siskiyou from Takilma to Happy Camp (Indian Creek Road, just s of state line) Comment
  JEPS84055  Ribes lobbii L. R. Heckard with S. D'Alcamo, J. Hickman, S. Winchester 1986-7-15 6297 Siskiyou from Takilma to Happy Camp (Indian Creek Road, just s of state line) Comment
  UC1736425  Ribes lobbii Dean W. Taylor 1999-6-10 17249 Siskiyou Marble Mountains, Mill Creek, ca. 4 miles W from Mugginsville in Quartz Valley, northerly facing slopes near watershed divide with Kidder Creek 1584 Comment
  RSA0021151  Ribes lobbii Geo. D. Butler 1910-5-30 1442 Siskiyou Humbug Creek. Comment
  CAS-BOT-BC212489  Ribes marshallii Harley P. Chandler 1901-6-1 1549 Siskiyou Ridges and meadows near Marble Mountain 1828 Comment
  UCD102272  Ribes marshallii Roman Gankin; Brewer, Hildreth, and Milam 1965-8-10 605 Siskiyou Summit of Indian Creek Road, 3.5 miles south of California-Oregon state line. Comment
  CAS-BOT-BC212481  Ribes marshallii Lillian Henningsen 1972-6-8 s.n. Siskiyou Happy Camp Road to Takilma Comment
  CHSC78518  Ribes nevadense Vernon H. Oswald 2000-8-28 9953 Siskiyou Kangaroo Lake Road ca. 0.5 mi north of the road to Rock Fence Creek Lake. 1487 Comment
  OBI14034  Ribes nevadense J. H. Applegarth 1969-6-19 s.n. Siskiyou W of cow Crk, tributary of Beaver crk 1829 Comment
  HSC46734  Ribes roezlii William J. Ferlatte 1976-9-22 1862 Siskiyou W side of Grouse Ridge along Yellow Rose Mine Trail 1829 Comment
  HSC67806  Ribes roezlii J. O. Sawyer, J. Cole 1980-7-22 3971 Siskiyou NW slopes of Cedar Mtn. 1524 Comment
  CAS-BOT-BC199996  Ribes roezlii var. cruentum Marion Ownbey; Fred G. Meyer 1940-7-6 2197 Siskiyou Near summit of Cayenne Ridge on south side, Marble Mountain Comment
  RSA0024599  Ribes roezlii var. cruentum Geo. D. Butler 1909-4-15 645 Siskiyou Humbug Creek. Comment
  CAS-BOT-BC186290  Ribes roezlii var. roezlii Laura M. Lathrop 1903-7-22 s.n. Siskiyou Shasta Retreat Comment
  HSC19374  Ribes sanguineum J. O. Sawyer 1968-9-13 705 Siskiyou W of the Happy Camp/O'Brien Rd. between Louse Creek and Indian Creek, on the E slopes of Little Grayback 1463 Comment
  CAS-BOT-BC173902  Ribes velutinum Doris K. Kildale 1929-6-25 8369 Siskiyou 6 miles north of Hornbrook on Klamath River 609 Comment
  UC162062 Image available Ribes velutinum A. A. Heller 1905-6-9 8005 Siskiyou Yreka; ; Yreka, Siskiyou Co. Comment
  RSA0020885  Ribes velutinum Geo. D. Butler 1910-5-21 1374 Siskiyou Klamath River Comment
  CAS-BOT-BC168795  Ribes viscosissimum R. J. Mastrogiuseppe; J. D. Mastrogiuseppe 1974-9-2 160 Siskiyou Wooded slopes near Kidd Cr. 1828 Comment
  JEPS49193  Ribes viscosissimum W. L. Jepson 1907-7-5 2821 Siskiyou near Marble Mt. (head of Shackelford Canyon) 2286 Comment
  RSA716050  Rigiopappus leptocladus L. Ahart, John Dittes 2005-6-10 12086 Siskiyou North of the rock fence, about 200 yards southeast of the pump house along the Shasta River, about 1.9 miles (air) south of Highway 99/97 cutoff, about 6 miles (air) east-southeast of Grenada. 777 Comment
  UC375408  Robinia pseudoacacia Geo. D. Butler 1908-7-20 1041 Siskiyou near Yreka Comment
  UC1173693  Romanzoffia californica Joseph P. Tracy 1939-4-29 16269 Siskiyou Somes Bar 182 Comment
  CAS-BOT-BC74372  Rorippa columbiae L. E. Smith 1915-6-30 s.n. Siskiyou Bray. Comment
  CDA23021  Rorippa columbiae F. D. Horn, M. Coll. 1977-7-28 s.n. Siskiyou Wildlife Refuge, Tulelake. 0 Comment
  RSA237225  Rorippa curvisiliqua Frederick W. Oettinger 1969-8-18 1416 Siskiyou West side of Horse Lake Range. The Salmon Mtns. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1820 Comment
  UC729589  Rosa eglanteria Carl B. Wolf 1930-10-23 1760 Siskiyou along river 1 mi above Happy Camp; Klamath River 182 Comment
  HSC61513  Rosa gymnocarpa Ruby Van Deventer 1939-7-18 Siskiyou Kelley Lake and Kelley Lake Trail 1220 Comment
  UC1585381  Rosa gymnocarpa R. Raiche, K. Zadnik, and H. Forbes 1989-10-3 46 Siskiyou n Seiad Valley; Cook and Green Pass 1425 Comment
  CAS-BOT-BC147061  Rosa pisocarpa Edward Lee 1934-8-15 1123 Siskiyou Summit of Happy Camp to Waldo (Oregon) road, Indian Creek watershed, Klamath National Forest 1615 Comment
  CAS-BOT-BC147069  Rosa pisocarpa A. A. Heller 1919-6-20 13254 Siskiyou Metcalf's ranch, northeast base of Mt. Eddy 1158 Comment
  UC902160  Rosa pisocarpa Joseph P. Tracy 1949-9-16 18565 Siskiyou near summit (on road from Scott Valley to Trinity Center); Scott Mt. 1615 Comment
  HSC98452  Rosa spithamea Carl W. Mize 1972-6-22 86 Siskiyou Above U-turn on main rd. 732 Comment
  CAS-BOT-BC147142  Rubus glaucifolius Louis C. Wheeler 1934-8-31 3233 Siskiyou Klamath National Forest, Bear Creek 1767 Comment
  HSC29361  Rubus lasiococcus Frederick W. Oettinger 1968-8-5 415 Siskiyou Marble Mountain Wilderness Area, W end of Charmaine Lake 1921 Comment
  RSA593951  Rubus lasiococcus Louis C. Wheeler 1963-8-29 8307 Siskiyou Siskiyou Mountains. West fork Clear Creek. 1433 Comment
  CAS-BOT-BC147982  Rubus leucodermis Ira L. Wiggins 1955-7-22 13456 Siskiyou Gravel bar in S Fork of Salmon R, 9.5 mi. above Cecilville 1066 Comment
  CAS-BOT-BC147325  Rubus parviflorus Alice Eastwood 1923-5-27 11943 Siskiyou Shasta Springs, on road to McCloud Comment
  HSC69286  Rubus parviflorus Maralyn A. Renner 1980-7-24 1951 Siskiyou Pacific Crest Trail above Lily Pad Lake. 1799 Comment
  RSA183647  Rubus parviflorus Gilbert Muth 1965-8-4 165 Siskiyou Marble Mtns. Comment
  RSA12594  Rubus parviflorus var. hypomalacus Carl B. Wolf 1934-7-6 5992 Siskiyou 3 miles from Mt. Shasta City on Wagon Camp Rd. SW slope of Mt. Shasta. 1220 Comment
  HSC99686  Rubus ursinus J. O. Sawyer 1969-6-12 893 Siskiyou Along C.C.C. road just S of Sugar Creek 1463 Comment
  POM366453  Rubus vitifolius M. B. Dunkle 1944-6-25 9027 Siskiyou Siskiyou National Forest. 1677 Comment
  CAS-BOT-BC363144  Rudbeckia californica L. R. Short 1933-9-8 67 Siskiyou Klamath National Forest. Deer Camp near Dry Lake 1889 Comment
  HSC61453  Rudbeckia glaucescens Ruby Van Deventer 1939-7-18 Siskiyou Kelley Lake and Kelley Lake Trail Comment
  JEPS16949  Rudbeckia klamathensis Peter H. Raven 1956-9-5 10466 Siskiyou North Fork of the Sacramento River 1584 Comment
  JEPS82449  Rumex acetosella Gilbert Muth 1966-7-18 412 Siskiyou meadow above Marble Valley; Marble Mountain Wilderness Area, Marble Gap Trail 1828 Comment
  UC61058  Rumex salicifolius var. salicifolius W. A. Setchell, C. C. Dobie Jul 1902 Siskiyou Sisson Comment
  CAS-BOT-BC434155  Rumex triangulivalvis Alice Eastwood 1921-7-28 10928 Siskiyou Medicine Lake Comment
  RSA237784  Sagina decumbens subsp. occidentalis Frederick W. Oettinger 1969-4-19 1467 Siskiyou Near Abbots. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1860 Comment
  CDA33462  Sagina procumbens Ken Burbank 2010-7-9 PDR# 1414044 Siskiyou Weed; Weed Golf Course. 0 Comment
  CAS-BOT-BC102814  Salix boothii Gilbert Muth 1966-8-3 498 Siskiyou Marble Valley, Marble Mts. 1792 Comment
  CAS-BOT-BC103464  Salix eastwoodiae Milo S. Baker 1893-8-8 s.n. Siskiyou Medicine Lake 1981 Comment
  HSC28671  Salix eastwoodiae Frederick W. Oettinger 1968-9-3 689 Siskiyou Marble Mtn. Wilderness Area, near Horse's Hole, Horse Range Lake Basin 1829 Comment
  RSA201502  Salix eastwoodiae J. T. Howell 1939-8-7 15131 Siskiyou Marble Mountain: Sky High Valley. 1829 Comment
  UC1409267  Salix eastwoodiae Frederick W. Oettinger 1968-8-2 364 Siskiyou e outlet of Diamond Lake; Salmon Mts, High Lake Basins, English Peak vicinity, Marble 2072 Comment
  HSC69545  Salix lasiandra Maralyn A. Renner 1980-8-6 2237 Siskiyou FS Rd. 40S07 crossing of Louse Creek 1127 Comment
  CAS-BOT-BC125456  Salix lasiandra var. lasiandra Mrs. H. P. Bracelin 1931-6-19 424 Siskiyou Northeast side of Mount Eddy, about 16 km. northwest of Shasta City; above Metcalf ranch house 1350 Comment
  CAS-BOT-BC125462  Salix lasiandra var. lasiandra Mrs. H. P. Bracelin 1931-6-19 411 Siskiyou Northeast side of Mount Eddy, about 16 km. northwest of Shasta City; above Metcalf ranch house 1425 Comment
  CAS-BOT-BC107060  Salix lasiolepis Mrs. H. P. Bracelin 1931-6-19 415 Siskiyou Northeast side of Mount Eddy, about 16 km. northwest of Shasta City 1455 Comment
  SBBG29073  Salix lasiolepis Mrs. H. P. Bracelin 1931-6-21 469 Siskiyou N side of Mount Eddy, ca. 21 km NW of Shasta City, 300 km below Dobkin's Lake 1650 Comment
  UC482241  Salix lasiolepis Mrs. H. P. Bracelin 1931-6-19 417 Siskiyou about 16 km nw Shasta City (ne side of mt., edge of stream above Metcalf ranch house); Mount Eddy 1425 Comment
  CAS-BOT-BC124540  Salix lasiolepis var. lasiolepis Louis C. Wheeler 1934-12-16 3363 Siskiyou Oak Knoll Ranger Station, Klamath River, Siskiyou Mts. 670 Comment
  CAS-BOT-BC128349  Salix lasiolepis var. lasiolepis L. E. Smith 1913-3-28 615 Siskiyou Weed Comment
  CAS-BOT-BC124896  Salix lemmonii Mrs. H. P. Bracelin 1931-6-21 467 Siskiyou North side of Mount Eddy, about 21 km. northwest of Shasta City; 180 m. below Dobkin's Lake 1770 Comment
  SEINET10682432  Salix lemmonii Karen M. Meyer, Andrew Townesmith 2007-8-2 Meyer 188 Siskiyou Klamath National Forest, 13.3 m on Forest Service Rd. 70, off US Hwy. 97 toward Oregon. 1956 Comment
  UC846671  Salix lemmonii Alice Eastwood 1921-7-29 10965 Siskiyou Medicine Lake Comment
  POM219896  Salix lucida subsp. lasiandra H. P. Bracelin 1931-6-19 423 Siskiyou NE side of Mt Eddy. About 16 km NW of Shasta City. Above Metcalf ranch house. 1350 Comment
  UC481731  Salix melanopsis Mrs. H. P. Bracelin 1931-6-22 475 Siskiyou near hwy. at Flume Creek Camp (Flume Creek - tributuary of Pit River); Flume Creek 555 Comment
  CAS-BOT-BC125690  Salix melanopsis W. R. Dudley 1899-8-15 s.n. Siskiyou Near [Glazier?] Glaser/Glacierview, McCloud Comment
  CAS-BOT-BC125934  Salix prolixa L. E. Smith 1914-3-18 588 Siskiyou Yreka Comment
  CAS-BOT-BC126155  Salix scouleriana Alice Eastwood 1912-7-17 1179 Siskiyou Sisson Comment
  CAS-BOT-BC126162  Salix scouleriana Mrs. H. P. Bracelin 1936-9-3 858 Siskiyou 11 miles N.W. from Mt. Shasta City, and about 2 miles E. of Burney Mill, N. base of Mt. Eddy 1127 Comment
  SJSU200  Salix scouleriana Mrs. H. P. Bracelin 1931-6-20 446 Siskiyou Wagon Cr Canyon c. 1 km up from Metcalf ranch house, E side of Mt Eddy c.17 km NW of Shasta city 1158 Comment
  UC482265  Salix scouleriana Mrs. H. P. Bracelin 1931-6-20 444 Siskiyou ca. 17 km. n.w. Shasta City (above stream in Wagon Creek Canyon, ca. 1 km. up from Metcalf ranch house, e. side of Mt. Eddy); Mt. Eddy Comment
  CAS-BOT-BC126156  Salix scouleriana L. E. Smith 1914-3-17 573 Siskiyou Sisson, Junction of S.P. and McCloud R.R. Comment
  CAS-BOT-BC175653  Salsola tragus L. E. Smith 1913-8-20 541 Siskiyou Montague Comment
  CAS-BOT-BC220803  Salvia dorrii var. dorrii Elmer I. Applegate 1935-6-8 9450 Siskiyou Summit of Sconchin [Schonchin] Butte, Lava Beds National Monument Comment
  UCD125660  Salvia virgata M. V. Maxwell 1941-6-25 s.n. Siskiyou 3 miles east of Hornbrook. 670 Comment
  RSA183737  Sambucus caerulea Gilbert Muth 1965-8-2 143 Siskiyou 1/2 mile btween gate and Lower Sky High Lakes, Marble Mountains Comment
  RSA238532  Sambucus caerulea Frederick W. Oettinger 1968-8-23 618 Siskiyou Just west of Upper English Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1768 Comment
  UC163752  Sambucus mexicana Geo. D. Butler 1908-8-4 995 Siskiyou Shackelford Creek; head Comment
  UC642562  Sambucus mexicana W. Bridge Cooke 1939-6-30 13566 Siskiyou near outlet of MacBride Springs; Mount Shasta Comment
  HSC69296  Sambucus nigra subsp. caerulea Maralyn A. Renner 1980-7-24 1997 Siskiyou Lily Pad Lake 1768 Comment
  HSC31888  Sambucus nigra subsp. caerulea Steve Selva, Roger Jensen 1974-8-26 61 Siskiyou Along Rd. 8 to Sugar Creek trail, ca. 2 mi. from Hwy. 3 Comment
  UC922574  Sambucus racemosa var. microbotrys Annie M. Alexander and Louise Kellogg 1948-9-9 5611 Siskiyou Taylor Lake Siskiyou Mountains (near edge) 1828 Comment
  HSC3984  Sambucus racemosa var. racemosa Dorothy Parker 1949-8-12 364 Siskiyou Along banks of Duck Lake Creek, Salmon Mtns. 1524 Comment
  HSC61165  Sanicula graveolens Al Hobart 1968-6-20 Siskiyou El Capitan 1829 Comment
  HSC21639  Sanicula graveolens Lincoln Constance, Ren Hwa Shan 1946-5-31 3059 Siskiyou E bank of Sacramento River at Dunsmuir 701 Comment
  JEPS13174  Saussurea americana Louis C. Wheeler 1934-8-14 3146 Siskiyou s side White Mt.; Siskiyou Mts., White Mt. 1737 Comment
  UCD102947  Saxifraga fragarioides Jack Major; M. Fleschner, R. Pemble 1966-9-4 s.n. Siskiyou Near top of Marble Mountain, Marble Mountains. 2225 Comment
  JEPS86118  Saxifraga integrifolia Wayne Roderick 1966-6-26 Siskiyou Cook and Green Pass Area, just e of Pass Cook and Green Pass Area 1371 Comment
  RSA261470  Saxifraga nidifica var. claytoniifolia J. M. Tucker 1963-7-7 3727 Siskiyou In vicinity of Paradise Lake, at base of Kings Castle on the east side, Marble Mountain Wilderness Area. 1982 Comment
  RSA261468  Saxifraga odontoloma J. M. Tucker 1963-8-19 3778 Siskiyou Headwaters of Canyon Creek. At the E base of Marble Mountain. Marble Mountain Wilderness Area. 1951 Comment
  CHSC99691  Saxifragopsis fragarioides L. P. Janeway 2008-7-24 9465 Siskiyou Klamath Ranges. Siskiyou Mountains; at end of short spur road into top of Alex Hole; 1.0 km east-southeast of Condrey Mountain. 1975 Comment
  RSA211114  Saxifragopsis fragarioides William J. Ferlatte 1967-7-25 730 Siskiyou Caribou Basin. Trinity Alps. 1982 Comment
  UC166561  Saxifragopsis fragarioides Geo. D. Butler 1909-7-15 897 Siskiyou Highland Mine Comment
  UC722724  Saxifragopsis fragarioides C. L. Hitchcock, J. S. Martin 1939-7-9 5316 a Siskiyou between King's Castle and Black Mountain 1828 Comment
  CAS-BOT-BC445869  Saxifragopsis fragarioides Gilbert Muth 1966-7-25 452 Siskiyou Marble Rim below Lookout (north), Marble Mts. 2072 Comment
  UC1265458  Scirpus congdonii Frederick W. Oettinger and R. F. Thorne 1969-8-7 1271 Siskiyou sandy beach English Lake (Salmon Mountains, High Lake Basins in the vicinity of English Peak, Marble Mountain Wilderness Area); , Salmon Mountains, Marble Mountain Wilderness A 1752 Comment
  HSC62279  Scirpus microcarpus Al Hobart 1968-6-13 Siskiyou Young's Valley Comment
  JEPS117469  Sclerochloa dura Lowell Ahart, John Dittes 2010-7-30 16943 Siskiyou In the road tracks to the west edge of the Shasta River, about 30 yards south 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 Gr 716 Comment
  RSA181616  Scribneria bolanderi Dorothy Parker 1950-6-4 445 Siskiyou Salmon Mt. range. Alt. 6300 feet. Comment
  JEPS11422  Scrophularia lanceolata Geo. D. Butler 1908-8-24 436 Siskiyou Russian Creek at Eldredge Corral 1219 Comment
  UC1282010  Scutellaria antirrhinoides Louise Kellogg Aug 5 1953-Aug 7 1953 106 Siskiyou 1 mi n of Cory Peak (11 mi e of Callahan on road to Gazelle, then s 5.8 mi on logging road, Cabin Meadow); Scott Mountains, Klamath National Forest, Cabin Meadow 1844 Comment
  UC1549246  Scutellaria antirrhinoides Richard Olmstead 1983-7-12 472 Siskiyou 6 mi w of Sawyers Bar (1 mi e of Red Bank C.G., North Fork Salmon River Road); North Fork Salmon River Road 603 Comment
  UC164004  Scutellaria siphocampyloides Geo. D. Butler 1910-5-23 1401 Siskiyou near Yreka Comment
  HSC46222  Scutellaria siphocampyloides Jennifer Whipple 1978-6-5 2332 Siskiyou Weston Gulch in Scott Valley 854 Comment
  CHSC462  Sedum V. Holt 1943-8-9 Siskiyou Marble Mountains 1828 Comment
  RSA0076356  Sedum lanceolatum E. K. Balls 1949-7-8 13915 Siskiyou Trail from Scott Mountain Camp to Carmen Lake, Scott Mt. 1753 Comment
  UCSB22048  Sedum obtusatum Keefe, Joseph 1967-7-11 Siskiyou On trail, 0.5 mile east of Cook and Green Pass, north of Seida Valley 1676 Comment
  JEPS28951  Sedum obtusatum subsp. boreale Wayne Roderick Siskiyou Walker on the Upper Klamath River; upper Klamath River, Walker 464 Comment
  HSC77061  Sedum obtusatum subsp. retusum K. T. Stillman 1976-8-7 192 Siskiyou Marble Mtn. Wilderness Area 1951 Comment
  HSC42163  Sedum obtusatum subsp. retusum R. J. Mastroguiseppe, J. D. Mastroguiseppe 1974-9-2 172 Siskiyou Red Rock Mtn. 2188 Comment
  RSA0074725  Sedum spathulifolium C. B. Wolf 1927-8-26 1063 Siskiyou Klamath River; 8 miles above Hamburg. Comment
  RSA0074772  Sedum spathulifolium L. C. Wheeler 1934-8-16 3171 Siskiyou Siskiyou Mountains: 2 mi. east of White Mt. 1920 Comment
  JEPS79405  Selaginella wallacei Edward Lee 1934-8-12 1044 Siskiyou between Hamburg and Seiad Valley (n side Klamath River near mouth of Walker Creek) 426 Comment
  RSA0013320  Senecio aronicoides J. P. Smith 1974-5-26 7546 Siskiyou Along Forest Service Road 47N03 1524 Comment
  UCD135524  Senecio aronicoides James Payne Smith Jr. 1976-5-21 8769 Siskiyou Klamath National Forest, Forest Road 40N08, 6.9 miles from its junction with State Route 3. 1524 Comment
  UCR93348  Senecio integerrimus Kathy Harper, D. Karr 1994-6-16 s.n. Siskiyou Sierra Nevada Mtns, 31 mi. NE of Bartle, meadow at junction of Medicine Lake Rd & road to Schonchin Springs, at Headquarters Camp 1982 Comment
  CAS-BOT-BC363945  Senecio integerrimus var. exaltatus Alice Eastwood 1912-7-19 1236 Siskiyou Mount Shasta Comment
  UC166202  Senecio integerrimus var. exaltatus Geo. D. Butler 1910-5-10 1323 Siskiyou Goosenest foothills Goosenest 1676 Comment
  UC454316  Senecio integerrimus var. exaltatus I. J. Condit 1911-7-27 Siskiyou Castle Lake 1981 Comment
  CAS-BOT-BC364042  Senecio integerrimus var. major K. T. Stillman 1976-6-25 39 Siskiyou Marble Mountain Wilderness Area. In Marble Valley 1828 Comment
  CDA8655  Senecio integerrimus var. ochroleucus T. C. Fuller 1958-6-18 1791 Siskiyou Summit of Siskiyou Mountains along road between Cave Junction & Happy Camp. 0 Comment
  HSC22189  Senecio triangularis J. O. Sawyer 1969-8-4 1810 Siskiyou Above Sugar Lake 2134 Comment
  HSC96289  Senecio triangularis Gordon Leppig 1998-8-14 1010 Siskiyou Klamath National Forest, Russian Wilderness, Little Duck Lake Fen, cirque W of Little Duck Lake 2200 Comment
  JEPS37600  Senecio triangularis Geo. D. Butler 1908-8-9 340 Siskiyou Marble Valley 1676 Comment
  UC75811  Senecio triangularis Milo S. Baker 1899-7-31 Siskiyou on Ash Creek (e slope Mt. Shasta); e slope of Mt. Shasta Comment
  UC922277  Senecio triangularis Annie M. Alexander and Louise Kellogg 1949-7-19 5809 Siskiyou creeks and edge Paradise Lake; Marble Mountains, Paradise Lake 1920 Comment
  UC446959  Sericocarpus oregonensis subsp. oregonensis L. F. Henderson 1929-8-23 11465 Siskiyou near, along bluffs of Smith River Siskiyou Divide; Smith River Comment
  HSC19471  Sibbaldia procumbens J. O. Sawyer 1969-7-10 1299 Siskiyou Slopes E of Russian Peak 2104 Comment
  HSC82364  Sidalcea malviflora subsp. nana Thomas W. Nelson, Jane P. Nelson, J. P. Smith 1978-7-24 4534 Siskiyou Siskiyou-Trinity County line, head of Scott Mtn. Creek, S of Forest Service campground 1646 Comment
  CHSC1058  Sidalcea oregana 1936-7-3 Siskiyou Mt. Shasta City. 1097 Comment
  SBBG25911  Sidalcea oregana D. Myrick 1966-8-9 1502 Siskiyou near Ward Lake, Mountain Meadow Ranch, Big Flat, Trinity Alps 2438 Comment
  JEPS125970  Sidalcea oregana subsp. oregana D. W. Taylor 1999-8-12 17317 Siskiyou Mill Creek headwaters, Marble Mountains, ca 4 mi W of Mugginsville, Quartz Valley Comment
  CAS-BOT-BC174857  Silene campanulata subsp. campanulata D. E. Breedlove 1962-6-10 3304 Siskiyou Along Indian Creek Road, 13.1 miles northwest of Happy Camp; Siskiyou Mountains 670 Comment
  CAS-BOT-BC181198  Silene campanulata subsp. glandulosa Clarence R. Quick 1958-6-17 58 -29 Siskiyou Near Black Bear Summit south of Sawyer's Bar on ridge road to Cecilville 1356 Comment
  CAS-BOT-BC181200  Silene campanulata subsp. glandulosa Thomas W. Nelson; Jane P. Nelson 1980-7-21 6160 Siskiyou Along Forest Service Road 40N08 ca. .6 miles from junction with State Route 3. 1645 Comment
  RSA211453  Silene douglasii William J. Ferlatte 1967-8-21 1069 Siskiyou Sawtooth Ridge between Caribou Basin and Little South Fork Lake. 2287 Comment
  CAS-BOT-BC388965  Silene grayi Copeland 1903-9-7 3853 Siskiyou Mt. Eddy Comment
  CHSC221  Silene grayi K. Jaekel; N. Jaekel 1939-7-8 Siskiyou Panther Meadows on Mt. Shasta. 2133 Comment
  HSC58861  Silene grayi Marvin Butler 1971-7-11 92 Siskiyou Near Youngs Valley, close to the town of Cave Junction 1403 Comment
  CAS-BOT-BC388952  Silene grayi A. A. Heller 1920-7-9 13436 Siskiyou Easterly slope of Mt. Eddy 2286 Comment
  CAS-BOT-BC181253  Silene hookeri subsp. hookeri J. H. Thomas 1954-5-12 4122 Siskiyou Near South Fork of Salmon River, 5 to 9 miles southeast of Cecilville, Salmon Mountains, Klamath National Forest 975 Comment
  SJSU2570  Silene laciniata H. L. Buckalew 1958-7-13 Siskiyou small meadow near Sanger L. near head of Middle Fork Smith R, Siskiyou Mts 1584 Comment
  CAS-BOT-BC389419  Silene lemmonii Elizabeth McClintock; Wayne Roderick; Martha Roderick 1967-7-29 s.n. Siskiyou Road to Mumbo Basin, Trinity Mts. 1889 Comment
  CAS-BOT-BC389437  Silene lemmonii John Thomas Howell 1937-7-22 13330 Siskiyou South Fork of Salmon River near Big Flat 1524 Comment
  HSC64678  Silene lemmonii J. O. Sawyer 1977-7-6 3037 Siskiyou Trail to Sugar Lake 2 mi. below lake 1707 Comment
  JEPS51011  Silene menziesii Milo S. Baker 1893-6 Siskiyou 6 mi below Bartles; McCloud River, below Bartles Comment
  CAS-BOT-BC75157  Sisymbrium altissimum Doris K. Kildale 1929-6-25 8372 Siskiyou 6 miles north of Klamath River on Pacific Highway. Comment
  POM213958  Sisymbrium altissimum Isabelle C. Kimber 1934-6-9 5 Siskiyou Mt Shasta. 1220 Comment
  CHSC116262  Sisyrinchium elmeri Barbara L. Wilson; Nick Otting 2014-6-16 18103 Siskiyou Spur off Highway 26, uphill of Gumboot Lake. 1819 Comment
  UC618660  Smilacina racemosa W. Bridge Cooke 1938-6-17 11012 Siskiyou Sisson Southern Trail Mount Shasta 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
  RSA237939  Smilax jamesii Frederick W. Oettinger 1968-9-4 691 Siskiyou Outlet of Abbotts Lake. Salmon Mountains. High Lake Basin in the vicinity of English Peak. Marble Mountain Wilderness Area. 1723 Comment
  UC163726  Smilax jamesii Geo. D. Butler 1910-6-6 1466 Siskiyou Quartz Valley Comment
  HSC36222  Solanum nigrum John Rehling Siskiyou Along Hwy. 3, .5 mi. N of Fort Jones Comment
  HSC46804  Solanum parishii William J. Ferlatte 1974-7-25 1580 Siskiyou Lower slope of Grouse Ridge along Yellow Rose Mine Trail 1829 Comment
  UC163712  Solanum physalifolium var. nitidibaccatum Geo. D. Butler 1908-7-11 1009 Siskiyou near Yreka Comment
  CAS-BOT-BC157047  Solanum umbelliferum W. B. Cooke 1940-6-20 15180 Siskiyou Along the Pacific Highway in the Klamath Gorge Comment
  RSA238029  Solanum umbelliferum Frederick W. Oettinger 1969-7-15 1033 Siskiyou Below the seepage along the trail from English to Diamond Lake. Comment
  RSA12584  Solidago californica C. B. Wolf 1934-7-6 6002 Siskiyou 4.7 miles from Mt. Shasta City on road to Wagon Camp. Southwest slope of Mt. Shasta. 1220 Comment
  CAS-BOT-BC365564  Solidago elongata Louis C. Wheeler 1934-9-2 3240 Siskiyou Miller Glade, Siskiyou Mts. 1828 Comment
  HSC72273  Solidago elongata J. P. Smith, J. O. Sawyer, Jane Sawyer, Kevin Sawyer 1976-9-5 8963 Siskiyou 1/2 mi. N of Siskiyou-Trinity County line on S.R. 3 Comment
  HSC96880  Solidago elongata Gordon Leppig 1997-8-23 674 Siskiyou Russian Wilderness; cirque W of Little Duck Lake 2200 Comment
  UC1034035  Solidago elongata W. Bridge Cooke 1941-8-8 16154 Siskiyou along springs and creeks between Wagon Camp and Bear Springs; Mount Shasta Comment
  CAS-BOT-BC339860  Solidago multiradiata A. A. Heller 1918-7-16 13029 Siskiyou Mt. Eddy, west of Sisson 2651 Comment
  HSC76957  Solidago multiradiata K. T. Stillman 1976-7-21 273 Siskiyou Marble Mtn. Wilderness Area 1982 Comment
  JEPS24618  Solidago velutina subsp. californica Rimo Bacigalupi with Drs. Reino and Aloha Alava 1958-8-31 6771 Siskiyou in the 1 1/2 mi stretch between Shasta Retreat (at northern outskirts of Dunsmuir) to Mossbrae Falls and Shasta Springs; upper Sacramento River Canyon, along S. P. (Shasta Route) ra 731 Comment
  CDA7675  Sonchus arvensis subsp. uliginosus T. C. Fuller 1963-8-27 11162 Siskiyou South side of Dorris-Tulelake Road where the roadbed forms the north shore of Lower Klamath Lake, Lower Klamath Lake Wildlife Refuge, ca. 12 miles west of Hatfield. 0 Comment
  RSA237839  Sorbus californica Frederick W. Oettinger 1968-9-8 789 Siskiyou Outlet of English Lake. Salmon Mtns. High Lake Basins in the vicinity of English Peak. Marble Mtn Wilderness Area. 1799 Comment
  CAS-BOT-BC158937  Sorbus scopulina Louis C. Wheeler 1934-8-8 3068 Siskiyou W. Fork Beaver Cr., Klamath National Forest 1676 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
  HSC18982  Sorbus scopulina J. O. Sawyer 1969-8-4 1896 Siskiyou Above S Sugar Lake 2043 Comment
  LA208276  Sorbus sitchensis W. B. C.; 1939-6-30 13576 Siskiyou Mount Shasta, Along the Sisson Southern Trail 1981 Comment
  UC1409396  Sparganium angustifolium Frederick W. Oettinger 1968-8-13 500 Siskiyou lower s inlet area Hancock Lake (vicinity of English Peak, w Siskiyou County); Salmon Mountains, Marble Mountain Wilderness Area 1935 Comment
  RSA238580  Sparganium angustifolium Frederick W. Oettinger 1968-8-13 500 Siskiyou South inlet area of Hancock Lake, the high lake basins in the vicinity of English Peak Marble Mountain Wilderness Area; Salmon Mountains. 1936 Comment
  CAS-BOT-BC390720  Spergularia rubra Henry M. Pollard 1956-10-7 s.n. Siskiyou Klamath River bar on Spink's Ranch at Roger's Creek, Somes Bar Comment
  RSA0097341  Spergularia rubra Gilbert Muth 1966-7-14 391 Siskiyou Flat above Marble Valley, Marble Gap Trail, Marble Mountains. 1829 Comment
  UC165253  Sphenosciadium capitellatum Geo. D. Butler 1909-8-10 460 Siskiyou Shackleford Creek Comment
  UC375389  Spiraea densiflora Geo. D. Butler 1908-8-4 277 Siskiyou Head of Shackleford Creek Comment
  POM141116  Spiraea douglasii E. B. Copeland 1903-8-12 3836 Siskiyou Sisson. 1067 Comment
  RSA30418  Spiraea douglasii A. A. Heller 1916-7-20 12464 Siskiyou Metcalf's ranch. NE base of Mt Eddy, 1189 Comment
  CAS-BOT-BC152551  Spiraea splendens L. E. Smith 1913-6-29 437 Siskiyou Mt. Eddy Comment
  CAS-BOT-BC152557  Spiraea splendens Geo. D. Butler 1910-7-9 1710 Siskiyou Wooly Creek 1676 Comment
  POM168196  Spiranthes romanzoffiana E. B. Copeland 1903-8-17 3927 Siskiyou Dietz Spur. 1159 Comment
  SD88345  Stachys emersonii Darley F. Howe 1972-7-6 Siskiyou 1.3 miles south of Oregon state line on road to Happy Camp. 1646 Comment
  SEINET187664  Stellaria borealis subsp. sitchana W. Bridge Cooke 1940-7-5 15276 Siskiyou Wagon Camp. 1737 Comment
  UCD99324  Stellaria longipes subsp. longipes Herbert L. Mason 1948-7-18 13611 Siskiyou Grass Lake. Comment
  UC375341  Stellaria media Geo. D. Butler 1908-7-10 539 Siskiyou Yreka Comment
  UC1265673  Stenanthium occidentale Rolf Y. Berg 1980-6-25 Siskiyou Horsetail Falls Klamath River Region (on road from Seiad Valley to Cook and Green Pass) Comment
  UC917271  Stephanomeria lactucina R. Tofsrud and J. M. Tucker 1948-8-4 1784 Siskiyou ca 1.5 mi nw McCloud Comment
  HSC30477  Stephanomeria virgata Frederick W. Oettinger 1969-8-10 1330 Siskiyou At Ft. Jones Comment
  SEINET10603844  Stipa lemmonii A. Arthur Heller 1905-6-1 Heller 7934 Siskiyou Between Upper soda Spring and Shasta Retreat. Comment
  HSC101542  Stipa lemmonii var. lemmonii J. P. Smith, J. O. Sawyer, R. J. Cole 2010-7-11 12995 Siskiyou Gazelle-Callahan Road. 1233 Comment
  HSC18975  Stipa occidentalis var. californica J. O. Sawyer 1969-7-19 1428 Siskiyou SW facing slope above Deacon Lee Trail 2180 Comment
  HSC30689  Stipa occidentalis var. occidentalis Frederick W. Oettinger 1969-8-13 1352 Siskiyou Marble Mtn. Wilderness Area, SE ridge of English Lake. 2134 Comment
  CAS-BOT-BC87864  Streptanthus tortuosus Elizabeth McClintock; Wayne Roderick; Martha Roderick 1967-7-29 s.n. Siskiyou Road to Mumbo Basin, Trinity Mountains. 1889 Comment
  UC618767  Streptanthus tortuosus var. orbiculatus W. Bridge Cooke 1938-8-18 11497 Siskiyou Horse Camp Slopes Mt. Shasta Comment
  JEPS73712  Streptanthus tortuosus var. tortuosus L. R. Heckard with T. I. Chuang 1968-7-3 1973 Siskiyou just off Hwy. 5 s.e. of Black Butte and w. of Mt. Shasta (City) 1173 Comment
  HSC34112  Streptopus amplexifolius J. O. Sawyer 1969-7-18 1420 Siskiyou Head of S Russian Creek 1890 Comment
  CAS-BOT-BC516438  Streptopus amplexifolius Gilbert Muth 1966-7-24 443 Siskiyou Marble Valley, Marble Mts. 1792 Comment
  CAS-BOT-BC516441  Streptopus amplexifolius W. R. Dudley 1907-8-25 s.n. Siskiyou Salmon Mts. Comment
  CAS-BOT-BC234779  Symphoricarpos mollis John Thomas Howell 1939-8-2 14947 Siskiyou Spirit Lake, Marble Mts. 1828 Comment
  CAS-BOT-BC234792  Symphoricarpos mollis Wm. Bridge Cooke 1941-9-5 16272 Siskiyou Around the MacBride Springs area, Mt. Shasta Comment
  HSC67829  Symphoricarpos mollis J. O. Sawyer, J. Cole 1980-7-20 3758 Siskiyou 2 mi. N of Little Glass Mtn., on road connecting FS Rd. 45N05 with FS Rd. 47N75 1875 Comment
  JEPS12887  Symphoricarpos mollis W. L. Jepson Jul 1894 Siskiyou Sisson Comment
  UC165280  Symphyotrichum bracteolatum Geo. D. Butler 1910-8-13 1828 Siskiyou Oro Fino Comment
  CAS-BOT-BC97886  Symphyotrichum eatonii Alice Eastwood 1922-10-18 11513 Siskiyou Shasta Springs Comment
  HSC77240  Symphyotrichum hendersonii L. P. Janeway 1983-8-28 640 Siskiyou Poker Flat 1529 Comment
  CAS-BOT-BC98436  Symphyotrichum spathulatum Doris K. Kildale 1928-8-19 6510 Siskiyou English Lake, head of north fork of Salmon River Comment
  UC135391 Image available Symphyotrichum spathulatum Dr. E. B. Copeland 1903-9-7 Siskiyou Mt. Eddy 2743 Comment
  UC179693  Symphyotrichum spathulatum A. A. Heller 1914-8-25 11713 Siskiyou near, (opposite Black Butte) Deetz station 1158 Comment
  HSC75352  Symphyotrichum spathulatum var. spathulatum J. O. Sawyer, M. Mesler 1980-8-10 4036 Siskiyou S of Carmen Lake, ultramafics of Scott Mtn. 1829 Comment
  JEPS109707  Symphyotrichum spathulatum var. yosemitanum Dean W. Taylor 2002-7-20 18256 Siskiyou Forest Road 17 ca. 3.3 miles west (above) junction with Stewart Springs Road, Parks Creek 1524 Comment
  CAS-BOT-BC99366  Symphyotrichum spathulatum var. yosemitanum W. R. Dudley 1901-8-25 s.n. Siskiyou north of Salmon-Scott divide, Salmon Mts. Comment
  JEPS72982  Taeniatherum caput-medusae W. L. Jepson 1940-6-22 19965 Siskiyou near Hilt (Hilt to Hawkinsville); Quarantine Station 914 Comment
  HSC33992  Taraxacum officinale J. P. Smith 1974-5-25 7476 Siskiyou Along Rd. 8, 4.7 mi. W of its junction with Hwy. 3 1159 Comment
  UC74050  Taraxacum officinale T. H. Gilbert Jun 15 1899-Jul 15 1899 Siskiyou Scott River Valley Comment
  UC725378  Taraxia tanacetifolia A. A. Heller 1938-7-13 15265 Siskiyou along hwy just s Bray Comment
  CAS-BOT-BC85239  Taxus brevifolia Doris K. Kildale 1928-7-4 5475 Siskiyou 3 miles west of summit of divide between Sawyers Bar & Etna Mills Comment
  JEPS49694  Tellima grandiflora W. L. Jepson 1907-7-19 2945 Siskiyou head of Indian Creek; Siskiyou Mountains 914 Comment
  JEPS84273  Tellima grandiflora L. R. Heckard with Susan D'Alcamo, J. Hickman, S. Winchester 1986-7-16 6425 Siskiyou ca 5 mi n Seiad Valley (town) (e slope of Kangaroo Mountain, cirque at head of Hell's Canyon); Kangaroo Mountain 1828 Comment
  HSC29461  Tellima grandiflora Frederick W. Oettinger 1968-9-1 639 Siskiyou Marble Mtn. Wilderness Area, SE of Abbott's Lake 1860 Comment
  UCSB16646  Tellima grandiflora Breedlove, Dennis 1962-6-11 Siskiyou about 20 miles west of Fort Jones, Marble Mountains 914 Comment
  UC163881  Tetradymia canescens Geo. D. Butler 1909-6-27 955 Siskiyou Shasta Rim hills Shasta Rim Comment
  CAS-BOT-BC88062  Thelypodium brachycarpum A. A. Heller 1905-6-9 8011 Siskiyou Montague. Comment
  JEPS104955  Thelypodium laciniatum Dean W. Taylor 1996-7-10 15770 Siskiyou head of Facey Gulch on Hayden Ridge; easterly watershed divide of Scott Valley (about 10 air miles E of Etna); Klamath National Forest 1173 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
  HSC41794  Thermopsis macrophylla Brent Whiteley 1975-6-28 64 Siskiyou Irving sale of the Klamath River. 915 Comment
  CHSC71476  Thlaspi arvense Vernon H. Oswald; Lowell Ahart 1998-7-21 9322 Siskiyou Hwy. 97 between Weed and Macdoel at the west end of Grass Lake. Roadside. 1524 Comment
  JEPS19777  Thlaspi montanum var. montanum Rimo Bacigalupi with S. Galen Smith 1957-6-26 5951 Siskiyou meadows at s. end Gumboot Lake (head of S. Fork Sacramento R., close to Trinity Co. line); S. Fork Sacramento R., Gumboot Lake 1859 Comment
  UC10993  Thysanocarpus curvipes T. H. Gilbert Jun 15 1899-Jul 15 1899 Siskiyou Scott River Valley Comment
  POM95126  Thysanocarpus curvipes var. curvipes Geo. D. Butler 1910-3-27 1147 Siskiyou Near Yreka. Comment
  RSA0049974  Thysanocarpus radians George D. Butler 1910-3-27 1146 Siskiyou Near Yreka. Comment
  POM198423  Torreyochloa pallida var. pauciflora Geo D. Butler 1910-7-9 1704 Siskiyou Shackleford Creek. 1220 Comment
  HSC27946  Toxicodendron diversilobum Carl W. Mize 1972-9-23 112 Siskiyou Along Steinacher Creek Rd. about 3 mi. from bridge 762 Comment
  SJSU6478  Toxicoscordion paniculatum R. W. Trivelpiece 1972-6-9 92 Siskiyou c. 4 mi E of Grass Lake 1524 Comment
  CDA7718  Tragopogon dubius T. C. Fuller 1965-6-1 13590 Siskiyou West side of Highway 99 to Grenada, 4 miles south of Yreka. 0 Comment
  CDA7719  Tragopogon dubius T. C. Fuller 1959-10-14 3127 Siskiyou Highway 99, north limits of Mt. Shasta City. 0 Comment
  UCR110591  Trautvetteria caroliniensis var. occidentalis L. C. Wheeler 1963-8-28 8289 Siskiyou Siskiyou Mtns., Clear Creek c. 1 mile below West Fork 640 Comment
  CAS-BOT-BC519559  Triantha occidentalis subsp. occidentalis Dr. E. B. Copeland 1903-9-7 375 Siskiyou Mt. Eddy 2438 Comment
  CAS-BOT-BC519574  Triantha occidentalis subsp. occidentalis A. A. Heller 1920-7-30 13488 Siskiyou Metcalf's ranch, northeast base of Mt. Eddy 1158 Comment
  HSC44584  Triantha occidentalis subsp. occidentalis Laura Witherspoon 1977-7-30 Siskiyou Flint Valley 1341 Comment
  SEINET3153530  Trichostema lanceolatum G. D. Butler 1910-7-28 1793 Siskiyou Yreka Comment
  UC637048  Trichostema lanceolatum Edward Lee 1934-8-12 1047 Siskiyou Klamath River, S bank 1/4 mi W of Walker Creek (between Hamburg and Seiad Valley) North Coast 426 Comment
  SBBG25902  Trifolium cyathiferum D. Myrick 1966-8-9 1513 Siskiyou Mountain Meadow Ranch, Big Flat 1524 Comment
  CDA4287  Trifolium eriocephalum E. Hale 1984-5-8 Siskiyou East end of Deer Meadow Road, approximately 1 miles west of R. Diaz property on Shamrock Road, south of Yreka. 0 Comment
  POM208365  Trifolium eriocephalum subsp. eriocephalum Louis C. Wheeler 2677 Siskiyou North Hungry Creek 1311 Comment
  POM28034  Trifolium eriocephalum subsp. eriocephalum Geo. D. Butler 1909-6-13 978 Siskiyou Moffitt Creek Comment
  JEPS48899  Trifolium eriocephalum var. eriocephalum Geo. D. Butler 1909-6-22 918 Siskiyou Goosenest Mtn Comment
  UC585220  Trifolium eriocephalum var. eriocephalum E. B. Babcock and G. L. Stebbins 1936-6-11 1891 Siskiyou ca 2 s Yreka 822 Comment
  JEPS41328  Trifolium howellii Ruby Van Deventer 1939-7-18 55 Siskiyou s Little Greyback Mtn (Poker Flat) 1524 Comment
  UC866815  Trifolium hybridum A. A. Heller 1916-6-20 12415 Siskiyou Metcalf's Ranch ne base of Mt. Eddy 91 Comment
  HSC71359  Trifolium longipes J. P. Smith, Steve Selva 1970-7-17 4455 Siskiyou Below Kangaroo Lake. 1890 Comment
  CHSC977  Trifolium longipes subsp. hansenii E. England 1939-6-30 Siskiyou Mt. Eddy. 1828 Comment
  HSC92981  Trifolium longipes subsp. shastense Jennifer Whipple 1976-6-17 1028 Siskiyou Near Durney Lake 2073 Comment
  SEINET10577002 Image available Trifolium longipes subsp. shastense H. E. Brown 1897-6-1 Brown 365 Siskiyou Near Mt. Shasta. 1829 Comment
  UC149765  Trifolium longipes var. elmeri Milo S. Baker 1899-7-1 Siskiyou Ash Creek, e slope Mt. Shasta Comment
  POM28041  Trifolium productum Geo. D. Butler 1910-7-9 1721 Siskiyou Marble Mountain. 1829 Comment
  UCD78047  Trifolium repens Robert E. Preston 2003-7-31 2177 Siskiyou Rainbow Mountain, at base of N slope, in upper Antelope Creek Meadow 1661 Comment
  RSA237893  Trifolium repens Frederick W. Oettinger 1969-8-9 1311 Siskiyou Above trail near Young Cabin in region of Upper Abbots Cabin. The High Lake Basins in the vicinity of English Peak Marble Mountain Wilderness Area. 1829 Comment
  UC375416  Trifolium variegatum Geo. D. Butler 1908-6-28 378 Siskiyou upper end Quartz valley Comment
  HSC44484  Trifolium willdenovii K. Irwin 1977-5-22 391 Siskiyou On South Fork Salmon River Rd., 4 mi. E of Cecilville Comment
  UC164451  Trillium albidum Geo. D. Butler 1909-4-14 669 Siskiyou Humbug <road> Comment
  HSC69573  Trillium ovatum Maralyn A. Renner 1980-8-6 2263 Siskiyou FS Rd. 40S07 crossing of Louse Creek 1127 Comment
  JEPS25637  Trillium ovatum Rimo Bacigalupi with Mr. and Mrs. Van Deventer 1959-7-9 7276 Siskiyou Poker Flat 1536 Comment
  CHSC96099  Trillium ovatum subsp. oettingeri L. P. Janeway 2006-7-3 8757 Siskiyou Klamath Ranges. Salmon Mountains; creeklet at head of Music Creek. 1981 Comment
  HSC780  Trillium ovatum subsp. oettingeri William J. Ferlatte 1967-7-9 691 Siskiyou Kidd Creek Trail 1890 Comment
  UCD139920  Trillium ovatum subsp. oettingeri Maralyn A. O' Meara 1973-6-25 240 Siskiyou North Russian Creek, 1/2 mile south of Etna Summit on road from Sawyer's Bar to Etna. 1706 Comment
  CAS-BOT-BC200090  Trisetum canescens W. R. Dudley 1899-8-22 s.n. Siskiyou Craggy Mt. 1981 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
  HSC19252  Trisetum spicatum J. O. Sawyer 1968-7-22 557 Siskiyou Between Handcock and Diamond Lakes 1951 Comment
  RSA184773  Trisetum spicatum Gilbert Muth 1966-8-3 492 Siskiyou Marble Valley Meadow, Marble Mtns. 1793 Comment
  RSA186329  Trisetum spicatum Gilbert Muth 1966-10-16 22 Siskiyou Marble Mountains 1793 Comment
  UCD93669  Trisetum spicatum Beecher Crampton 1956-8-22 3854 Siskiyou Panther Meadow, south slope of Mt. Shasta. 2316 Comment
  UCD93710  Trisetum spicatum A. A. Heller 1914-8-28 11735 Siskiyou East side of Mt. Eddy. 2438 Comment
  RSA378083  Triteleia crocea M. B. Dunkle 1944-6-25 9020 Siskiyou Siskiyou National Forest. 1677 Comment
  CAS-BOT-BC522345  Triteleia hyacinthina Arthur L. Menzies s.n. Siskiyou Morgan Meadows, near Mt. Eddy Sacramento District, Shasta National Forest Comment
  POM110211  Triteleia hyacinthina Geo D. Butler 1908-8-4 108 Siskiyou Head of Shackleford Creek. Comment
  RSA331960  Tsuga mertensiana W. Wisura, D. Kelly 1985-7-30 4076 Siskiyou Along forestry road 47N63 near Siskiyou Summit, N of Horse Creek on Hwy 96. Comment
  UC915712  Tsuga mertensiana W. L. Jepson July 1907 Siskiyou Marble Mountain; w Siskiyou Co. Comment
  CAS-BOT-BC80252  Tsuga mertensiana subsp. grandicona Ira L. Wiggins 1955-7-27 13566 Siskiyou Caribou Lake, Salmon-Trinity Alps Primitive Area 2042 Comment
  CAS-BOT-BC80259  Tsuga mertensiana subsp. grandicona Gilbert Muth 1966-8-6 223 Siskiyou Marble Valley, Marble Mts. 1792 Comment
  CAS-BOT-BC74096  Turritis glabra John Thomas Howell 1939-8-6 15088 Siskiyou Spirit Lake, Marble Mountains. 1828 Comment
  CAS-BOT-BC91275  Umbellularia californica Marion Ownbey; Fred G. Meyer 1940-7-8 2223 Siskiyou Along Indian Creek, 12 miles above Happy Camp. Comment
  CAS-BOT-BC91273  Umbellularia californica Berta B. Kessel 1959-10-24 s.n. Siskiyou Pick-a-wish Forest Camp, about 8 miles south of Happy Camp. Comment
  SEINET12088264  Umbellularia californica M. Ownbey, Meyer, F. G. 1940-1 2223 Siskiyou Along Indian Creek, 12 mi above Happy Camp Comment
  CAS-BOT-BC199194  Vaccinium cespitosum Wm. Bridge Cooke 1938-7-21 11302 Siskiyou Panther Creek Comment
  CAS-BOT-BC228833  Vaccinium cespitosum Peter W. Fritsch; James R. Shevock; Lu Lu 2012-6-20 1932 Siskiyou Russian Wilderness, Klamath National Forest. Along Sugar Creek Trail to Sugar Lake from trailhead off forest road 41N14 1809 Comment
  CAS-BOT-BC199237  Vaccinium membranaceum Wm. Bridge Cooke 1940-6-6 15032 Siskiyou Along the Castle Lake road Comment
  CHSC88998  Vaccinium membranaceum Steven Harris 1981-7-29 729 /1 Siskiyou Klamath National Forest. Near N. Fork Dillon Creek. 1219 Comment
  HSC19115  Vaccinium membranaceum J. O. Sawyer 1969-8-1 1595 Siskiyou Behind Horseshoe Lake 1921 Comment
  HSC22413  Vaccinium membranaceum J. O. Sawyer 1969-8-1 1606 Siskiyou Horseshoe Lake 1921 Comment
  SEINET11971724  Vaccinium membranaceum H. P. Chandler 1901-1 1577 Siskiyou near Marble Mountain 2134 Comment
  RSA238869  Vaccinium scoparium Frederick W. Oettinger, J. L. Morrison 1967-8-17 279 Siskiyou 0.1 mile SSW of Diamond Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2073 Comment
  CAS-BOT-BC199795  Vahlodea atropurpurea Wm. Bridge Cooke 1939-8-24 13892 Siskiyou Along the bank of Squaw Valley Creek in its middle cascade portion Comment
  HSC30274  Vahlodea atropurpurea William J. Ferlatte 1971-9-18 1377 Siskiyou Caribou Basin, lower slope of Sawtooth Ridge. 2195 Comment
  UCR219536  Valeriana sitchensis R. F. Thorne, Frederick W. Oettinger 1969-8-4 63361 Siskiyou Salmon Mountains, Klamath National Forest, Marble Mountain Wilderness Area, vicinity of English Peak 2098 Comment
  CAS-BOT-BC76063  Vancouveria hexandra Edward Lee 1934-8-13 1083 Siskiyou Watershed of West Branch of Indian Creek, Happy Camp to Waldo (Oregon) road, Klamath National Forest. 1463 Comment
  HSC69168  Veratrum californicum var. californicum Maralyn A. Renner 1980-8-6 2325 Siskiyou Cracker Meadow 1555 Comment
  HSC30440  Veratrum viride Frederick W. Oettinger 1968-8-1 346 Siskiyou Marble Mtn. Wilderness Area, S of Hancock Lake 2043 Comment
  UC1037370  Verbascum blattaria Douglas Barbe 1955-7-7 143 Siskiyou e side of Forest Camp Etna; Klamath Mountains 883 Comment
  RSA256600  Veronica alpina var. alterniflora J. P. Smith 1974-5-25 7467 Siskiyou Along road 8, 4.7 mi. west of its junction with State Route 3. 1159 Comment
  UC61039  Veronica americana W. A. Setchell, C. C. Dobie 1902-7-13 Siskiyou Mount Shasta, Sisson Sisson; Mount Shasta, Sisson Comment
  RSA120938  Veronica serpyllifolia var. humifusa H. K. Wagnon 1957-8-11 1708 Siskiyou East slope of Mt. Shasta, along Ash Cr., ca. 1 mi N of Military Pass Rd. Comment
  CDA6413  Veronica triphyllos T. C. Fuller 1961-5-16 6947 Siskiyou Behind El Rancho Motel, Yreka. 0 Comment
  JEPS121726  Vicia americana subsp. americana Julie Kierstead Nelson with Jordan Rainbow 2014-5-21 2011 -020 Siskiyou Forest Road 42N84 off Highway 97, north side of Mt. Shasta. Comment
  UC54376  Vicia americana var. americana H. M. Hall and E. B. Babcock Jun 1903 4138 Siskiyou Pole Canyon Sierra Nevada Mountains (ne Shasta County) 1463 Comment
  UC160418  Viola I. J. Condit 1911-7-15 Siskiyou McCloud Comment
  CAS-BOT-BC264059  Viola adunca Copeland 1903-8-14 3721 Siskiyou Sisson Comment
  CAS-BOT-BC270236  Viola adunca Doris K. Kildale 1929-3-11 7736 Siskiyou Cecilville, upper S fork of Salmon River Comment
  RSA184647  Viola adunca Clare B. Hardham 1965-8-20 13045 Siskiyou One mile Lake. Marble Mtns. 1524 Comment
  RSA238802  Viola adunca Frederick W. Oettinger 1969-8-24 1534 Siskiyou English Lake campsite. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1753 Comment