Search Results — 2000 specimen records retrieved (1378 records with coordinates)
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 Please cite data retrieved from this page: Data provided by the participants of the Consortium of California Herbaria (ucjeps.berkeley.edu/cch_archive/).
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? Specimen ID Determination * Collector Collection Date Collection Number County Locality Elevation in meters Feedback
  UC1001947  Abies concolor Mrs. B. A. Berry 1954-10-7 5 Siskiyou w Etna; Salmon Mountains, Etna Creek 914 Comment
  UCD134142  Abies concolor Robert E. Preston 2001-6-30 1649 c Siskiyou Klamath National Forest, Rainbow Mountain, north slope of east lobe. 1920 Comment
  UCR95628  Abies concolor L. C. Wheeler 1963-9-3 8338 Siskiyou Siskiyou Mtns. Cyclone Gap chrome mine Comment
  SBBG133152  Abies concolor B. C. Templeton 1968-6-13 11329 Siskiyou near Castle Lake 1981 Comment
  HSC5008  Abies lasiocarpa J. O. Sawyer 1968-10-8 754 Siskiyou W of Little Duck Lake 1936 Comment
  OBI36530  Abies magnifica David J. Keil 1983-7-3 17385 Siskiyou Slopes of Mt Shasta along Memorial Hwy Comment
  UC1229746  Abies magnifica var. shastensis Alan Bell 1962-7-1 Siskiyou headwaters, tributary of Trinity River Tangle Blue Creek; Scott Mountains, Trinity-Salmon Primitivve area, Mosquito La 1981 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
  UC1408872  Acer glabrum var. glabrum Frederick W. Oettinger 1968-8-7 435 Siskiyou e side Hancock Lake (High Lake Basins in the vicinity of English Peak, Salmon Mountains, Marble Mountain Wilderness Area, western Siskiyou County); Marble Mountain Wilderness Area, Salmon Mountains 1935 Comment
  UC166210  Acer glabrum var. glabrum Geo. D. Butler 1908-8-5 531 Siskiyou camp below Cold Spring (Woolly Creek); Woolly Creek Comment
  UC618774  Acer glabrum var. glabrum W. Bridge Cooke 1938-7-22 11342 Siskiyou Sisson Southern Trail Mount Shasta, Sisson Southern Trail 1981 Comment
  RSA123631  Acer glabrum var. torreyi G. D. Barbe 1955-7-9 151 Siskiyou South side of Kangaroo Lake, Scott Mountains 1829 Comment
  CAS-BOT-BC332796  Acer macrophyllum Geo. D. Butler 1910-4-24 1236 Siskiyou Shackleford Creek Comment
  UC166209  Acer negundo Geo. D. Butler 1910-6-30 1617 Siskiyou Yreka Creek Comment
  UC29235  Achillea millefolium T. H. Gilbert Jun 15 1899-Jul 15 1899 Siskiyou Scott River Valley Comment
  UCSB6310  Achillea millefolium Phillips, Priscilla 1960-6-13 Siskiyou Rt. 97, 11 miles north of Weed, lowers slopes of Mt. Shasta 1097 Comment
  UCD128359  Achillea millefolium P. Quentin Tomich 1954-6-20 421 Siskiyou southeast entrance of Lava Beds National Monument. 1341 Comment
  UC1483563  Achnatherum lemmonii Maralyn A. Renner 1980-6-26 1148 Siskiyou Flint Valley Klamath National Forest, Dillon Mtn. Quad., Flint Valley 1389 Comment
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  UCD50622  Achnatherum lemmonii Robert E. Preston 2002-6-20 1829 Siskiyou Klamath National Forest, Rainbow Mountain, W ridge, on E-facing slope. 1911 Comment
  CAS-BOT-BC105075  Achnatherum nelsonii subsp. dorei R. C. Wenk 2008-7-24 917 Siskiyou SW side of Mount Shasta, growing by side of road, Everitt Memorial Highway 1676 Comment
  UCD50946  Achnatherum occidentale A. H. Murphy 1956-8-16 56 DD Siskiyou Klamath National Forest, Tangle Blue Lake. 1767 Comment
  SEINET7593425 Image available Achnatherum occidentale A. S. Hitchcock 1934-1 12390 Siskiyou Se. corner of Siskiyou Co. Comment
  JEPS33852  Achnatherum occidentale subsp. occidentale Gilbert Muth 1966-7-25 454 Siskiyou Marble Rim Marble Mt. Wilderness Area, Marble Rim 2072 Comment
  UC1265472  Achnatherum occidentale subsp. occidentale Frederick W. Oettinger 1969-8-13 1352 Siskiyou se ridge of English Peak Salmon Mtns., High Lake Basins near English Peak, Marble Mtn 2133 Comment
  UC563984  Achnatherum occidentale subsp. occidentale Elmer I. Applegate 1935-6-10 9481 Siskiyou s base of Caldwell Butte Lava Beds National Monument Comment
  CDA28112  Achnatherum occidentale subsp. pubescens Don Shaw 1973-7-26 Siskiyou MCloud, Hearst Estates in orchard. 0 Comment
  UCD51189  Achnatherum occidentale subsp. pubescens P. B. Dickey 1940-5-26 943 Siskiyou South of Dwinnell Lake. Comment
  CHSC93524  Acmispon denticulatus Lowell Ahart; John Dittes 2005-6-9 12008 Siskiyou Open pasture field, on the east side of a poor rock fence, about 300 yards east of where cattle water in the Shasta River, about 3/5 mile (air) south of Highway 99/97 Cutoff, about 2 1/2 miles (air) east-southeast of Grenada. 774 Comment
  UC136276  Aconitum columbianum E. B. Copeland 1903-8-13 3896 Siskiyou Sisson (Mt. Shasta City); ; Sisson (Mt. Shasta City), Siskiyou Co. Comment
  UC618886  Aconitum columbianum W. Bridge Cooke 1938-7-29 11420 Siskiyou Wagon Camp Meadow and at Bear Springs Wagon Camp; Mt. Shasta, Wagon Camp Comment
  CAS-BOT-BC391534  Aconitum columbianum subsp. columbianum A. A. Heller 1914-8-28 11724 Siskiyou East side of Mt. Eddy 1310 Comment
  SEINET10619648 Image available Aconitum columbianum subsp. viviparum H. E. Brown 1897-7-1 Brown 514 Siskiyou Collected south side Mt. Shasta, Siskiyou County. 1524 Comment
  CAS-BOT-BC412915  Aconogonon davisiae John Thomas Howell 1937-7-24 13376 Siskiyou Caribou Basin, Salmon-Trinity Alps 2286 Comment
  HSC61848  Aconogonon davisiae Ruby Van Deventer 1959-7-9 Siskiyou Poker Flat 1585 Comment
  CHSC98234  Aconogonon newberryi J. E. Bowlin 1967-7-18 71 Siskiyou On roadside, ca. 3.9 mi w of Mt Shasta Ski Bowl. 2133 Comment
  HSC24101  Aconogonon phytolaccifolium J. O. Sawyer 1971-7-15 2428 Siskiyou Along Red Rock Valley Creek 1585 Comment
  HSC77006  Actaea rubra K. T. Stillman 1976-6-25 84 Siskiyou Marble Mountain Wilderness Area. On N side of Elk Valley 1799 Comment
  JEPS33919  Adenocaulon bicolor George D. Butler 1908-7-20 339 Siskiyou Humbug Creek Comment
  CAS-BOT-BC29324  Adenocaulon bicolor W. B. Cooke; V. G. Cooke 1962-8-17 33525 Siskiyou Bear Springs, Mount Shasta 1524 Comment
  CAS-BOT-BC68959  Adiantum aleuticum Lemmon 1881-7-1 s.n. Siskiyou Mt. Shasta Comment
  HSC46073  Adiantum aleuticum J. P. Smith, Steve Selva 1970-6-14 3876 Siskiyou Road to Steinacher Creek near Somes Bar. Comment
  SEINET14139455 Image available Aegilops cylindrica T. C. Fuller 1960-5-24 4341 Siskiyou Roadside ditch, 4 mi. E. Montague Comment
  UC195217  Agastache urticifolia Annie M. Alexander and L. Kellogg 1911-7-30 305 Siskiyou Hd Rush Cr Comment
  HSC46720  Ageratina occidentalis William J. Ferlatte 1976-9-22 1860 Siskiyou 100 yds. N. of Dorleska Summit on Trinity County Line. 2134 Comment
  HSC76873  Ageratina occidentalis K. T. Stillman 1976-9-9 466 Siskiyou Marble Mountain Wilderness Area, Marble Valley Guard Station. 1738 Comment
  POM208366  Agoseris grandiflora Louis C. Wheeler 1934-6-11 2683 Siskiyou North Hungry Creek , Siskiyou Mtns. (Mt Diablo Mer) 1311 Comment
  POM33129  Agoseris heterophylla Geo. D. Butler 1910-5-23 1402 Siskiyou Dry land near Yreka Comment
  CAS-BOT-BC127486  Agrostis capillaris W. B. Cooke; V. G. Cooke 1963-7-12 34335 Siskiyou Mount Shasta, along Memorial Highway. 1371 Comment
  CAS-BOT-BC126987  Agrostis exarata Louis C. Wheeler 1934-6-26 2792 Siskiyou Cottonwood Creek. Siskiyou Mountains. 838 Comment
  UC161517  Agrostis exarata J. M. Tucker 1963-8-19 3782 Siskiyou headwaters Canyon Creek; Marble Mountain Wilderness Area 1950 Comment
  CAS-BOT-BC139573  Agrostis gigantea Wm. Bridge Cooke 1938-7-29 11409 Siskiyou Mount Shasta. Above Bear Springs. 1645 Comment
  RSA129612  Agrostis hallii A. Simontacchi 1937-6-21 175 Siskiyou Hunter Point Comment
  JEPS88997  Agrostis idahoensis Julie Kierstead 1992-9-5 92063 Siskiyou Modoc National Forest, at e end of Medicine Lake Medicine Lake; Modoc National Forest, Medicine Lake 2042 Comment
  UCD52996  Agrostis idahoensis A. H. Murphy 1954-8-11 54 -F Siskiyou Round Meadow, Klamath National Forest, U.S.F.S. 1676 Comment
  CAS-BOT-BC138943  Agrostis pallens Doris K. Kildale 1928-7-25 5914 Siskiyou Klamath River - Mack's Creek near Hamburg. Comment
  HSC22420  Agrostis pallens J. O. Sawyer 1969-8-2 1723 Siskiyou E facing slope SW of Little Duck Lake 2241 Comment
  HSC30520  Agrostis pallens Frederick W. Oettinger 1969-9-3 1623 Siskiyou Marble Mtn. Wilderness Area, Crapo Meadow, along trail to Tom Taylor Cabin before it enters woods 2073 Comment
  HSC30536  Agrostis pallens Frederick W. Oettinger 1969-8-24 1537 Siskiyou Marble Mtn. Wilderness Area, on slope NW of English Peak near the trail. 1753 Comment
  HSC30549  Agrostis pallens Frederick W. Oettinger 1969-8-22 1488 Siskiyou Marble Mtn. Wilderness Area, lower meadow at margin of woods, Horse Range Lake, Salmon Mountains 1768 Comment
  RSA239083  Agrostis pallens Frederick W. Oettinger 1969-8-22 1488 Siskiyou Horse Range Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1768 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
  UC1265309  Agrostis pallens Frederick W. Oettinger 1969-8-16 1411 Siskiyou open level area near Wiregrass Meadows (near English Lake Basin); Salmon Mountains, Marble Mountain Wilderness Area 1676 Comment
  UC1265351  Agrostis pallens F. W. Oettinger 1969-8-19 1456 Siskiyou head of wet meadow s big bare area between King David Peak and Abbot's Basin; Salmon Mountains 1905 Comment
  RSA603995  Agrostis pallens L. C. Wheeler 1934-8-2 3020 Siskiyou Siskiyou Mountains: Head of Jaynes Canyon. (Mt Diablo Meridian) 2072 Comment
  SEINET7594104 Image available Agrostis pallens F. W. Oettinger 1968-1 637 Siskiyou southeast side of Abbott's Lake, Salmon Mountains 1722 Comment
  HSC39675  Agrostis scabra J. P. Smith, J. O. Sawyer 1971-9-18 Siskiyou 2 mi. W of the junction of Hwy. 3 and Rd. 8, N of Callahan. 1037 Comment
  HSC40881  Agrostis scabra J. O. Sawyer 1973-7-16 2540 Siskiyou Along Wooley Creek at junction with Bridge Creek. 396 Comment
  UC204766  Agrostis thurberiana Geo. D. Butler 1910-7-13 1767 Siskiyou Shackleford Creek 1219 Comment
  CAS-BOT-BC138480  Agrostis variabilis John Thomas Howell 1937-7-24 13419 Siskiyou Caribou Basin, Salmon-Trinity Alps. 2286 Comment
  UCD35443  Agrostis variabilis Beecher Crampton 1956-8-22 3857 Siskiyou Panther Meadow, south slope of Mt. Shasta. 2316 Comment
  UCD53689  Agrostis variabilis Beecher Crampton 1956-8-22 3857 Siskiyou Panther Meadow, south slope of Mt. Shasta. 2316 Comment
  SEINET10967753  Agrostis variabilis Cyrus G. Pringle 1882-9-1 Pringle s.n. Siskiyou Comment
  JEPS84246  Allium L. R. Heckard with J. Hickman et al. 1986-7-17 6463 Siskiyou ca. 5 mi n Town of Seiad Valley (trail up Kangaroo Peak, ridge e of peak, s of Lily Pad Lake); Kangaroo Peak 1900 Comment
  UC57363  Allium acuminatum H. M. Hall and E. B. Babcock June, 1903 4086 Siskiyou Shasta Valley Sierra Nevada Mountains, Mount Shasta, Shasta Valley 1158 Comment
  RSA50149  Allium amplectens E. K. Balls 1949-7-8 13919 Siskiyou Trail from Scott Mountain Camp to Carmen Lake, Scott Mt. 1753 Comment
  CAS-BOT-BC464500  Allium campanulatum Geo. D. Butler 1908-8-9 111 Siskiyou Summit above Cold Spring Woolly Creek Comment
  CAS-BOT-BC466699  Allium cratericola A. M. Vollmer; L. Beane 1951-5-31 17 Siskiyou Near highway, Scott Mountain Comment
  UCD141852  Allium hoffmanii Alfred H. Murphy 1961-7-20 61 P Siskiyou west of Marble Valley Guard Station, Marble Mountains. 2042 Comment
  UC618662  Allium obtusum W. Bridge Cooke 1938-7-1 11163 Siskiyou 1 mi below main meadow; Mount Shasta, Panther Creek Sand Flats Comment
  RSA237370  Allium siskiyouense Frederick W. Oettinger 1967-6-24 112 Siskiyou Etna Summit between Etna and Sawyers Bar. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. Comment
  HSC24703  Allium validum J. O. Sawyer 1969-8-1 1596 Siskiyou Behind Horseshoe Lake 1921 Comment
  HSC96858  Allium validum Gordon Leppig, J. Cromwell 1997-7-25 574 Siskiyou Klamath National Forest, Russian Wilderness, Little Duck Lake 2200 Comment
  NY334899  Allocarya laxa H. E. Brown 1897-8-1 590 Siskiyou South side Mt. Shasta 1524.0 Comment
  CAS-BOT-BC453444  Allotropa virgata Harley P. Chandler 1901-6-1 1546 Siskiyou Near Marble Mountain, North Coast Ranges 1828 Comment
  HSC17947  Allotropa virgata H. P. Chandler Jun 1901 1546 Siskiyou Near Marble Mountain 2134 Comment
  HSC72612  Allotropa virgata Gail Newton 1980-6-20 543 Siskiyou Near Bald Mtn. 1326 Comment
  RSA607568  Allotropa virgata Barbara M. Leitner 1996-8-14 96 -002 Siskiyou Medicine Lake Highlands and Adjacent Modoc Plateu. Comment
  UC1220372  Allotropa virgata H. G. Baker 1963-7-4 4435 Siskiyou Idylwild Campground about 6 miles east of Sawyer's Bar Comment
  JEPS58663  Alnus incana subsp. tenuifolia Geo. D. Butler 1908-8-8 12 Siskiyou West Fork of Wooly Creek; lake at head 1676 Comment
  POM166506  Alnus incana subsp. tenuifolia H. P. Chandler 1901-06 1618 Siskiyou Near Marble Mountain 2134 Comment
  HSC26930  Alnus rhombifolia J. P. Smith, J. O. Sawyer 1971-9-18 4834 Siskiyou 2 mi. W of the junction of Hwy. 3 and Rd. 8, N of Callahan. 1037 Comment
  HSC68578  Alnus rhombifolia Maralyn A. Renner 1980-6-23 973 Siskiyou W Fork Seiad Creek 878 Comment
  HSC4970  Alnus viridis subsp. sinuata J. O. Sawyer 1968-6-18 192 Siskiyou Above S Russian Creek on W side. 1463 Comment
  LA204106  Alnus viridis subsp. sinuata Wm. Bridge Cooke; 1939-8-10 13862 Siskiyou Mount Shasta, around the springs on the walls of Mud Creek Canyon 2133 Comment
  HSC26522  Alopecurus aequalis J. P. Smith, Steve Selva 1970-7-16 4385 Siskiyou Along Klamath River, 2 mi. W of Seiad Creek 518 Comment
  CAS-BOT-BC138107  Alopecurus aequalis var. aequalis Henry M. Pollard 1956-10-7 s.n. Siskiyou Klamath River bar on Spink's Ranch at Roger's Creek, 8 miles above Somes Bar. Comment
  CHSC91341  Alyssum alyssoides Lowell Ahart; John Dittes 2005-6-9 12017 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
  CAS-BOT-BC17202  Alyssum alyssoides L. E. Smith 1913-5-27 299 Siskiyou Weed. Comment
  UC1213791  Alyssum alyssoides Jean Langenheim 1957-5-19 4341 Siskiyou along rd. between Gazelle and Callahan Comment
  JEPS54288  Amaranthus albus Geo. D. Butler 1908-8-14 542 Siskiyou near Yreka (upper field of Butler's Ranch) Comment
  UC163666  Amaranthus blitoides Geo. D. Butler 1910-8-5 1812 Siskiyou Yreka Comment
  JEPS89085  Amaranthus californicus Geo. D. Butler 1909-8-18 1067 Siskiyou Yreka Comment
  UC909378  Amelanchier alnifolia var. pumila Ira L. Wiggins 1950-5-28 12366 Siskiyou ca 1.5 mi e Scott Mt. road (margins of Carmen Lake); Carmen Lake 1737 Comment
  HSC101744  Amelanchier alnifolia var. semiintegrifolia J. P. Smith, J. O. Sawyer 2010-5-2 12805 Siskiyou Along the Salmon River Road at Butler Creek. 257 Comment
  HSC103  Amelanchier alnifolia var. semiintegrifolia William J. Ferlatte 1966-6-23 149 Siskiyou Big Flat, near public camp 1524 Comment
  JEPS126016  Amelanchier pallida C. S. Campbell, M. Lorusso 2011-5-20 11 -317 Siskiyou Pat Trinca's property, east side of Hilt Valley Comment
  RSA453149  Amelanchier pallida Bonnie C. Templeton 1960-6-21 8545 Siskiyou Edge of cienega, Scott Mts Comment
  CAS-BOT-BC136887  Amelanchier utahensis Doris K. Kildale 1928-7-4 5518 Siskiyou Summit of Divide between Salmon River & Scott Valley Comment
  JEPS44697  Amelanchier utahensis W. I. Follett 1936-5-25 Siskiyou 11.6 mi sw Gazelle (upper canyon of Willow Creek) 1524 Comment
  CAS-BOT-BC222294  Amsinckia Alice Eastwood; John Thomas Howell 1934-4-20 1766 Siskiyou Near Yreka along Shasta River Comment
  UCD119751  Amsinckia menziesii Jean H. Langenheim 1957-5-19 4348 Siskiyou Intersection of Miner's Creek Road and Tiger Creek Road, boundary SE 1/4. Comment
  UC165395  Ancistrocarphus filagineus Geo. D. Butler 1909-5-23 718 Siskiyou trodden plains near Yreka Comment
  CDA10071  Ancistrocarphus filagineus G. D. Barbe, J. T. Howell, T. C. Fuller 1980-4-29 2628 Siskiyou 16 km south of Fort Jones on Scott Valley East Side Road. Comment
  HSC99847  Anemone deltoidea G. L. Clifton 1979-7-1 6179 Siskiyou Near Poker Flat, close to the town of Happy Camp 1538 Comment
  SBBG30505  Anemone deltoidea D. Myrick 1968-6-27 2034 Siskiyou Big Flat Public Camp, head of Coffee Crk 1524 Comment
  UC8882  Anemone deltoidea Harley P. Chandler Jun 1901 1554 Siskiyou near Marble Mtn (ridges and meadows); North Coast Ranges 1828 Comment
  POM365633  Anemone deltoidea M. B. Dunkle 1944-6-25 9000 Siskiyou Siskiyou National Forest. 1677 Comment
  RSA105354  Anemone deltoidea G. D. Barbe 1955-7-6 135 Siskiyou Along northeast shore of Taylor Lake, Salmon Mtns. 1951 Comment
  CAS-BOT-BC391859  Anemone drummondii Elizabeth McClintock; Wayne Roderick; Martha Roderick 1967-7-29 s.n. Siskiyou West side of Gumboot Lake, Trinity Mts. 1828 Comment
  JEPS74465  Anemone drummondii W. J. Ferlatte 1966-6-23 120 Siskiyou Trinity Alps, Dorleska summit 2133 Comment
  UC723023  Anemone drummondii C. L. Hitchcock and J. S. Martin 1930-7-9 5315 Siskiyou n. side of Black Mt. near Marble Mt.; Black Mt. 2072 Comment
  HSC32294  Anemone drummondii J. O. Sawyer 1971-6-30 2398 Siskiyou 1677 Comment
  SEINET3158790  Anemone drummondii G. D. Butler 1910-7-8 1683 Siskiyou Marble mountain 1676 Comment
  HSC22418  Anemone lyallii J. O. Sawyer 1969-7-3 1047 Siskiyou Near Lipstick Lake 1951 Comment
  HSC76904  Angelica arguta K. T. Stillman 1976-9-10 504 Siskiyou Marble Mountain Wilderness Area, across marble on E side of Black Mountain 2104 Comment
  JEPS105054  Angelica arguta Dean W. Taylor 1996-5-30 15643 Siskiyou summit of Coyote Peak, Iron Gate Reservoir (about 20 miles east of Yreka); Klamath National Forest 1036 Comment
  JEPS80588  Angelica arguta Gilbert Muth 1965-7-28 130 Siskiyou Marble Mountain Wilderness Area, Marble Valley Marble Valley Marble Valley; Marble Mountain Wilderness Area, Marble Valley 1792 Comment
  HSC71966  Angelica tomentosa J. M. DiTomaso 1980-8-20 1891 Siskiyou Trail at Caribou Lake in Salmon-Trinity Alps Wilderness Area 1951 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
  CAS-BOT-BC59289  Antennaria argentea J. H. Thomas 1954-5-13 4160 Siskiyou Salmon Mountains, Klamath Nation Forest 1127 Comment
  CAS-BOT-BC59160  Antennaria dimorpha H. M. Hall; E. B. Babcock 1903-6-1 4101 Siskiyou Little Shasta Valley, 853 Comment
  CAS-BOT-BC58680  Antennaria howellii Jack Major 1961-7-14 648 Siskiyou Mud Creek, Mounta Shasta 1828 Comment
  HSC22436  Antennaria howellii J. O. Sawyer 1969-8-3 1782 Siskiyou Near Little Duck Lake 2073 Comment
  CAS-BOT-BC77346  Antennaria media John Thomas Howell 1937-7-24 13401 Siskiyou Caribou Basin, Salmon-Trinity Alps 2286 Comment
  JEPS82456  Antennaria media Gilbert Muth 1966-7-14 393 Siskiyou flat above Marble Valley; Marble Mt. Wilderness Area, Marble Gap Trail 1828 Comment
  HSC716  Antennaria media William J. Ferlatte 1967-8-20 1048 Siskiyou Trinity Alps, Caribou Basin, Sawtooth Ridge, N-facing slope 2256 Comment
  RSA238725  Antennaria media Frederick W. Oettinger 1969-7-14 1016 Siskiyou Between Charmaine Lake and Abbot's Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1860 Comment
  CAS-BOT-BC79907  Antennaria microphylla Elmer I. Applegate 1935-6-8 9429 Siskiyou Bear Paw Cave, Lava Beds National Monument Comment
  HSC61857  Antennaria microphylla Ruby Van Deventer 1959-7-9 Siskiyou Poker Flat 1585 Comment
  SEINET6755311 Image available Antennaria racemosa G. D. Butler 1910-6-4 1502 Siskiyou Shackleford Creek Comment
  RSA238716  Antennaria rosea Frederick W. Oettinger 1968-8-5 402 -b Siskiyou Shasta ridge between Diamond lake and English Peak. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2073 Comment
  HSC69506  Antennaria rosea subsp. rosea John Palmer 1980-7-24 654 Siskiyou Dillon Divide 1707 Comment
  HSC100337  Apera interrupta J. P. Smith 2011-7-15 13306 Siskiyou Along the road to Bray, 0.8 mi. from its junction with Tennant Road 1419 Comment
  HSC61858  Apocynum androsaemifolium Ruby Van Deventer 1938-7-31 Siskiyou Poker Flat 1585 Comment
  UC1409251  Apocynum androsaemifolium Frederick W. Oettinger 1968-8-19 583 Siskiyou along Tom Taylor Cabin-English Peak trail Crapo Peak; Salmon Mts, High Lake Basins, English Peak vicinity, Marble 2133 Comment
  UC455929  Apocynum androsaemifolium I. J. Condit 1911-7-14 Siskiyou Shasta Retreat Comment
  UC637167  Apocynum androsaemifolium Edward Lee 1934-8-13 1071 Siskiyou Happy Camp to Waldo (Oregon) rd. Klamath Nat'l Forest, watershed of W. Branch of Indian Creek 1371 Comment
  UCD63245  Apocynum androsaemifolium Daniel Sanchez-Mata; Tomas Santamaria 2006-7-26 s.n. Siskiyou Weed. Rail Creek Road from Gazelle-Callahan Road. Kangaroo Lake. Kangaroo Lake Botanical Area. Scott Mountains, Klamath National Forest. 1900 Comment
  UCR47855  Apocynum androsaemifolium Steve Morgan 1987-7-28 s.n. Siskiyou Sierra Nevada Mtns, McGinnis Springs, 5 mi NW of McCloud, Shasta-Trinity National Forest, south of Mt. Shasta 1768 Comment
  HSC27636  Apocynum androsaemifolium Carl W. Mize 1972-7-22 100 Siskiyou Forks of Salmon quad., along edge of large cut block. 1037 Comment
  SD98958  Aquilegia formosa Darley F. Howe 1977-7-1 Siskiyou Scott Mt. Creek, Scott Mts. 1096 Comment
  RSA0126146  Arabis divaricarpa L. C. Wheeler 1934-8-6 3053 Siskiyou Siskiyou Mountains: Rocky Gulch off Jaynes Canyon. Mt. Diablo Mer. 1829 Comment
  CAS-BOT-BC65370  Arabis eschscholtziana R. C. Wenk 2005-7-16 252 Siskiyou South Fork of the Salmon River, south end of Big Flat Meadow. 1493 Comment
  RSA52143  Arabis eschscholtziana Dorothy Parker 1948-6-14 s.n. Siskiyou Rail Creek, Plowman s Valley 1204 Comment
  JEPS53035  Arabis glabra Geo. D. Butler 1908-6-23 122 Siskiyou Yreka Comment
  UC162638  Arabis glabra Harley P. Chandler 1901-6-1 1626 Siskiyou near Marble Mountain; North Coast Ranges 2133 Comment
  UC618764  Arabis glabra Reed Rollins 1938-7-15 11200 Siskiyou Bear Springs, meadow between Bear Springs creeks Mount Shasta 1524 Comment
  HSC29174  Arabis holboellii var. retrofracta Frederick W. Oettinger 1969-7-11 992 Siskiyou Marble Mtn. Wilderness Area, near Half-way Spring, trail from English Lake to Diamond Lake 1829 Comment
  HSC90571  Arabis holboellii var. retrofracta Jennifer Whipple 1976-7-2 1244 Siskiyou Near Durney Lake. 2073 Comment
  HSC90561  Arabis platysperma var. howellii Jennifer Whipple 1976-7-9 1404 Siskiyou N facing slopes in the Eddy Creek drainage 2226 Comment
  CDA24663  Arabis sparsiflora F. D. Horn 1976-5-11 Siskiyou Shasta Vista Estates (Sheeprock area), Grenada. 0 Comment
  HSC39296  Arabis subpinnatifida J. O. Sawyer 1970-4-3 2096 Siskiyou Along Sugar Creek 915 Comment
  HSC238  Arabis suffrutescens William J. Ferlatte 1967-7-6 609 Siskiyou Dorleska summit. 2134 Comment
  UC933377  Aralia californica Annie M. Alexander and Louise Kellogg 1948-9-7 5587 A Siskiyou at small creek S. Fork Salmon R. Siskiyou Mts., S. Fork Salmon R. Comment
  UC933378  Aralia californica Annie M. Alexander and Louise Kellogg 1948-9-7 5587 A Siskiyou at small creek S. Fork Salmon River Siskiyou Mts., S. Fork Salmon River Comment
  CAS-BOT-BC407723  Arceuthobium abietinum William Bridge Cooke 1939-6-30 13574 Siskiyou along the Sisson Southern Trail, Mount Shasta 1066 Comment
  CAS-BOT-BC407726  Arceuthobium abietinum Marion Ownbey; Fred G. Meyer 1940-7-6 2212 Siskiyou Summit of Cayenne Ridge, near Marble Fountain Comment
  SEINET2471295  Arceuthobium abietinum subsp. wiensii R. L. Mathiasen 2007-9-18 2007 -48 Siskiyou 46 km N. of St. Rte. 96 on forest road 15N01 1470 Comment
  UC1409473  Arceuthobium campylopodum Frederick W. Oettinger 1969-8-22 1509 Siskiyou just w of outlet Horse Range Lake; Salmon Mountains, Marble Mountain Wilderness Area, English P 1821 Comment
  SEINET10323138  Arceuthobium douglasii L. C. Wheeler 1934-6-25 2783 Siskiyou Siskiyou Mountains, West Fork of Cottonwood Creek 1372 Comment
  HSC65501  Arctostaphylos nevadensis R. White 1977-6-20 89 Siskiyou NE area around Devil's Punchbowl 1433 Comment
  RSA68855  Arctostaphylos nevadensis A. E. Culbertson 1943-6-26 101 Siskiyou Castle Lake, 5434, in a north facing cirque with an abrupt 1000' backwall; 14 miles s.w. of Mt. Shasta on n. side of a 6600' eastern spur of Trinity Mts.; 2000' above Sacramento R. within 10 air miles of its headwaters to the west. Comment
  UC618623  Arctostaphylos nevadensis W. Bridge Cooke 1938-8-18 11504 Siskiyou Horse Camp Slopes Mount Shasta Comment
  CAS-BOT-BC40023  Arctostaphylos nevadensis W. B. C. 1937-7-28 9162 Siskiyou North Ridge Hudsonian 2743 Comment
  CAS-BOT-BC46508  Arctostaphylos patula D. E. Breedlove 1962-6-11 3364 Siskiyou Along State Highway 89, 8.0 mi. e. of McCloud; Cascade Range. 1127 Comment
  CAS-BOT-BC46513  Arctostaphylos patula C. Hart Merriam 1929-9-15 s.n. Siskiyou Sawyers Bar, Salmon River. Comment
  OBI70668  Arctostaphylos patula Louis C. Wheeler 1963-9-3 8344 Siskiyou Siskiyou Mtn. Cyclone Gap chrome mine Comment
  POM286020  Arctostaphylos patula Lyman Benson 1929-3-26 1068 Siskiyou Shoulder of Mt. Shasta Pacific Highway. Comment
  UC1409416  Arctostaphylos patula Frederick W. Oettinger 1968-8-15 527 Siskiyou n end Hancock Lake; Salmon Mountains, Marble Mountain Wilderness Area 1935 Comment
  UC54435  Arctostaphylos patula H. M. Hall and E. B. Babcock June, 1903 4103 Siskiyou above Sheep Rock (n side of mt.); Sierra Nevada Mountains, Mount Shasta 1371 Comment
  UCR32086  Arctostaphylos patula David J. Keil 1983-7-3 17380 Siskiyou 11 mi NE of junction of State Route 3 along Gazelle-Callahan Rd Comment
  CAS-BOT-BC47007  Arctostaphylos viscida subsp. viscida Carl B. Wolf 1927-8-26 1028 Siskiyou On the Klamath River, 5 mi. below Hornbrook. Comment
  UCR200667  Arenaria nuttallii subsp. gregaria Daniel Sanchez-Mata, Thomas Santamaria 2006-7-26 s.n. Siskiyou Scott Mountains, Klamath National Forest; Weed, Rail Creek Road from Gazelle-Callahan Road, Kangaroo Lake, Kangaroo Lake Botanical Area 1900 Comment
  CAS-BOT-BC467190  Arenaria serpyllifolia var. serpyllifolia John Thomas Howell 1937-7-23 13351 Siskiyou South Fork of Salmon River near Big Flat 1524 Comment
  UCD129116  Arnica chamissonis Malcolm A. Nobs; Calvin McMillan 1949-6-17 797 Siskiyou Grass Lake, Highway 97. Comment
  RSA505435  Arnica chamissonis subsp. foliosa Rimo Bacigalupi 1957-6-27 5974 Siskiyou Grass lake, on route between Weed and Klamath Falls, 20 miles northeast of Weed 1545 Comment
  CDA10118  Arnica cordifolia T. C. Fuller 1958-6-18 1795 Siskiyou Summit of Siskiyou Mountains along road between Cave Junction & Happy Camp. 0 Comment
  HSC82255  Arnica cordifolia Thomas W. Nelson, Jane P. Nelson 1980-7-20 6178 Siskiyou Hillside above Big Carmen Lake 1738 Comment
  SEINET3085712 Image available Arnica foliosa A. A. Heller 1938-7-13 15270 Siskiyou Meadows south of Bray Comment
  CAS-BOT-BC82663  Arnica latifolia John Thomas Howell 1939-8-2 14910 Siskiyou Spirit Lake, Marble Mts. 1828 Comment
  HSC22159  Arnica latifolia J. O. Sawyer 1969-6-11 848 Siskiyou Above C.C.C. road. 1287 Comment
  CAS-BOT-BC82670  Arnica latifolia C. R. Quick 1950-6-21 50 -05 Siskiyou Upper Hungry Creek drainage, west of Hilt and east of Beaver Creek Comment
  CAS-BOT-BC82771  Arnica mollis Lillian S. Mott 1967-7-2 LM 6762 Siskiyou along highway, near Dorris 1524 Comment
  HSC22149  Arnica mollis J. O. Sawyer 1969-8-4 1809 Siskiyou Above Sugar Lake 2134 Comment
  HSC29164  Arnica mollis Frederick W. Oettinger, R. F. Thorne 1969-8-6 1251 Siskiyou Marble Mtn. Wilderness Area, below Tom's Lower Pond 1860 Comment
  OBI55469  Arnica spathulata David J. Keil, Kathleen Keil 1992-7-21 23536 Siskiyou Klamath Natl Forest SE of Callahan. Forest Rd 40N08, 1.7 mi W of Scott Mountain rd (Hwy 3). Comment
  UC444336  Arnica viscosa W. L. Jepson and N. B. Greene 1894-1 45941 Siskiyou Mt. Shasta Comment
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Jan 18 2009
  SEINET5712646  Artemisia arbuscula J. M. Tucker, L. K. Mann 1963-1 3764 Siskiyou Saddle between Marble Mountain and southwestern ridge of Black Mountain (Black Marble Mountain) Marble Mountain Wilderness Area.; Marble Mountain Wild. Area 2103 Comment
  CAS-BOT-BC90481  Artemisia douglasiana Elmer I. Applegate 1923-8-21 3922 Siskiyou Willow Creek, south of Lower Klamath Marsh Comment
  CAS-BOT-BC93889  Artemisia dracunculus Geo. D. Butler 1910-9-16 1874 Siskiyou Yreka Flat Comment
  UC12125  Aruncus dioicus var. pubescens C. B. Bradley 1879-1 Siskiyou Comment
  CAS-BOT-BC447719  Aruncus dioicus var. vulgaris C. A. Chamberlain 1934-8-17 3179 Siskiyou Siskiyou Mts.; N side White Mt. 1828 Comment
  SEINET11165203 Image available Aruncus sylvester Unknown 1974-8-12 Siskiyou Somes Bar Comment
  CAS-BOT-BC400599  Asarum caudatum J. M. Tucker; L. K. Mann 1963-7-9 3736 Siskiyou Canyon Creek Trail, ca. 1 mile east of Marble Valley Guard Station, Marble Mountain Wilderness Area 1524 Comment
  UC1313032  Asarum caudatum J. M. Tucker 1963-7-9 3736 Siskiyou Canyon Creek Trail, ca. 1 mile east of Marble Valley Guard Station, Marble Mountain Wilderness Area 1524 Comment
  HSC30466  Asarum hartwegii Frederick W. Oettinger 1969-8-9 1326 Siskiyou Along N Fork Trail, .2 mi. NW of Hen Creek, Salmon Mts. 1098 Comment
  HSC68477  Asclepias cordifolia Maralyn A. Renner 1980-6-8 811 Siskiyou Slopes E of Hwy. 3 1341 Comment
  SEINET10580356  Asclepias cordifolia F. Marion Ownbey, Fred G. Meyer 1940-7-6 Ownbey 2202 Siskiyou Marble Mountain, Cayene Ridge, S slopes Comment
  SEINET191595  Asclepias fascicularis Marion Ownbey, Fred G. Meyer 1940-7-4 2170 Siskiyou Border of meadow along Ditch Creek, near Hornbrook. Comment
  JEPS93924  Asclepias speciosa Vernon H. Oswald and Lowell Ahart 1998-8-3 9418 Siskiyou Kangaroo Lake Road (USFS 41N08) 3.9 mi se of Gazelle-Callahan Road at its intersection with USFS 41N10 Kangaroo Lake Road 1554 Comment
  CAS-BOT-BC69598  Aspidotis densa Doris K. Kildale 1928-7-25 5913 Siskiyou Klamath River at Mack's Creek, near Hamburg. Comment
  CHSC71559  Aspidotis densa Vernon H. Oswald; Lowell Ahart 1998-8-3 9448 Siskiyou Rock Fence Lake Rd. (USFS 41N18) 1.2 mi northeast of its intersection with Kangaroo Lake Rd. (USFS 41N08) 4.9 mi southeast of Gazelle-Callahan Rd. 1767 Comment
  RSA577265  Aspidotis densa L. C. Wheeler 1934-8-13 3112 Siskiyou East Fork Horse Creek Comment
  UC218601  Aspidotis densa C. G. Pringle 1882-9-3 Siskiyou Mts above head waters of Sacramento River Comment
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Jul 19 2010
  RSA259559  Aster ledophyllus J. P. Smith, J. O. Sawyer 1973-8-14 7318 Siskiyou Hillside west of Cliff Lake 1982 Comment
  CDA6798  Aster novae-angliae T. C. Fuller 1966-10-6 15244 Siskiyou Etna, Scott Valley. 0 Comment
  POM58128  Aster occidentalis var. occidentalis E. B. Copeland 1913-9-8 3856 Siskiyou Mt. Eddy Comment
  RSA143714  Astragalus lentiginosus var. salinus F. W. Peirson 1923-7-19 3602 Siskiyou Near Bray. Comment
  CAS-BOT-BC192920  Astragalus purshii var. lectulus L. E. Smith 1914-4-20 634 Siskiyou Yreka Comment
  RSA50193  Astragalus purshii var. lectulus E. K. Balls 1949-7-8 13911 Siskiyou Trail from Scott Mountain Camp to Carmen Lake; Scott Mountain. 1753 Comment
  CAS-BOT-BC193060  Astragalus purshii var. tinctus Alice Eastwood; John Thomas Howell 1934-4-20 1744 Siskiyou Near Yreka on Ft. Jones road Comment
  CAS-BOT-BC516178  Astragalus purshii var. tinctus Dana York 2011-8-13 3069 Siskiyou Marble Mountain Wilderness: Klamath National Forest, 230 m WSW of Black Marble Mountain 2220 Comment
  UC54368  Astragalus purshii var. tinctus H. M. Hall and E. B. Babcock June, 1903 4083 Siskiyou Shasta Valley Sierra Nevada Mountains, Mount Shasta, Shasta Valley 1158 Comment
  RSA47607  Astragalus purshii var. tinctus Roxana S. Ferris, Laura Lorraine, R. T. Ferris 1948-6-12 11710 -A Siskiyou Schoolhouse Hill, Plowmans Valley (Noyes Valley), east fork of Scott River. Comment
  SEINET5326835  Astragalus purshii var. tinctus G. Butler 1910-3-20 1134 Siskiyou dry hills near Yreka Comment
  RSA215617  Astragalus whitneyi var. siskiyouensis Gilbert Muth 1969-8-7 1258 Siskiyou Boulder Peak Ridge. 2470 Comment
  UCSB11069  Asyneuma prenanthoides Dearing, Hugh; Dearing, Margaret 1939-6-3 Siskiyou Near Scott's Bar Comment
  CAS-BOT-BC69536  Athyrium alpestre subsp. americanum W. B. C. 1938-9-8 11617 Siskiyou Panther Creek Glacial Meadow, Mount Shasta. 2590 Comment
  POM120355  Athyrium americanum Geo D. Butler 1910-7-10 1738 Siskiyou Upper Carufehell Lake. 1677 Comment
  UC150679  Athyrium distentifolium var. americanum Dr. E. B. Copeland 1903-8-16 3917 Siskiyou Mt Shasta 2377 Comment
  HSC29367  Athyrium distentifolium var. americanum Frederick W. Oettinger 1968-8-24 631 Siskiyou Marble Mtn. Wilderness Area, near Tom's Lake 2058 Comment
  CAS-BOT-BC66195  Athyrium filix-femina var. cyclosorum Geo. D. Butler 1908-8-4 244 Siskiyou Cold Spring Woolly Creek Comment
  HSC35800  Athyrium filix-femina var. cyclosorum J. O. Sawyer 1968-7-10 495 Siskiyou Floodplain of Sugar Creek near Sugar Lake. 1799 Comment
  UC433180  Athyrium filix-femina var. cyclosorum J. G. Lemmon Siskiyou Mt Shasta Comment
  CAS-BOT-BC66182  Athyrium filix-femina var. cyclosorum J. G. Lemmon s.n. Siskiyou Near Mt. Shasta Comment
  CDA24674  Athysanus pusillus G. D. Barbe, T. C. Fuller, J. T. Howell 1980-4-29 2605 Siskiyou 3 km east of Forest Mountain summit, Highway 3, southwest of Yreka. Comment
  CAS-BOT-BC106540  Balsamorhiza deltoidea Geo. D. Butler 1910-4-16 1180 Siskiyou Klamath Hills Comment
  CAS-BOT-BC106545  Balsamorhiza deltoidea Geo. D. Butler 1909-5-1 702 Siskiyou Shasta River Hills Comment
  SEINET10615492 Image available Balsamorhiza hookeri var. lanata Edward L. Greene 1876-5-2 Greene 745 Siskiyou Comment
  SEINET7042825  Balsamorhiza hookeri var. lanata A. G. Vestal 1955-5-16 s.n. Siskiyou Bouldery roadside ca. 5.2 miles northwest of Weed. Weed quadrangle UTM Zone 10, 544718mE, 4590385mN. Comment
  SEINET7239835 Image available Balsamorhiza lanata R. R. Halse 1989-5-6 3818 Siskiyou Along Old HWY 99, 3.2 to 6.2 miles south of Gazelle or 1.5 mile north of its junction with Old Stage Road 912 Comment
  CDA10488  Balsamorhiza platylepis G. Deal 1968-4-1 Siskiyou Clement Brothers ranch, 0.5 mile east of Mary s Mountain, Willow Creek. 0 Comment
  HSC204  Barbarea orthoceras William J. Ferlatte 1967-6-30 591 Siskiyou Along the S Fork of the Salmon River, between the campground and Carter's 1524 Comment
  HSC22118  Berberis aquifolium var. aquifolium J. O. Sawyer 1969-6-11 809 Siskiyou Next to C.C.C. road near the N fork of Horse Range Creek. 1326 Comment
  HSC22117  Berberis aquifolium var. dictyota J. O. Sawyer 1969-8-17 2018 Siskiyou SW facing slope near C.C.C. road 1341 Comment
  HSC45196  Berberis aquifolium var. repens J. O. Sawyer, E. Cope 1977-6-21 2987 Siskiyou Along Kelsey Trail W of Bear Lakes 1677 Comment
  UC9755  Berberis nervosa T. H. Gilbert Jun 15 1899-Jul 15 1899 Siskiyou Scott River Valley Comment
  UC572972  Berula erecta Louis C. Wheeler 1935-7-3 3649 Siskiyou 2 mi nw of Montague (Shasta River); Shasta River 762 Comment
  RSA17903  Betula occidentalis W. R. Dudley 1899-8-8 s.n. Siskiyou Near Sisson. Comment
  JEPS32524  Bidens cernua Geo. D. Butler 1908-9-25 501 Siskiyou between Yreka and Montague Yreka; Shasta River Comment
  CAS-BOT-BC413079  Bistorta bistortoides W. R. Dudley 1893-6-18 s.n. Siskiyou Sisson's Comment
  CAS-BOT-BC127929  Blepharipappus scaber Louis C. Wheeler 1934-6-22 2760 Siskiyou Cottonwood Creek 914 Comment
  CAS-BOT-BC127945  Blepharipappus scaber L. B. Kildale 1930-6-1 9826 Siskiyou Mill Creek near Etna Mills Comment
  CAS-BOT-BC16891  Boechera A. M. Vollmer; L. Beane 1951-6-2 73 Siskiyou Road between Streamline Lodge and Deer Camp, north of Klamath River Highway. Comment
  CAS-BOT-BC16052  Boechera breweri subsp. shastaensis George Dexter Butler 1910-5-21 1379 Siskiyou Klamath River. Comment
  UC1504530  Boechera divaricarpa Dorothy Parker 1951-5-10 397 Siskiyou Kidder Creek Scott Valley 914 Comment
  UCD77350  Boechera divaricarpa Robert E. Preston 2001-7-21 1703 Siskiyou Klamath National Forest, north slope of Rainbow Mountain, T42N R1W ne 1/4 of se 1/4 Section 15 1859 Comment
  CAS-BOT-BC13808  Boechera howellii Reed Rollins 1938-7-28 11373 Siskiyou Mount Shasta. North Ridges. 2743 Comment
  CHSC102556  Boechera howellii L. P. Janeway 2009-8-3 9885 Siskiyou High Cascade Range. Mt. Shasta, east-northeast slope 1.2 air km southwest of Brewer Creek Trailhead; about 0.3 km south of Brewer Creek. 2560 Comment
  CAS-BOT-BC13813  Boechera howellii John Thomas Howell 1937-7-26 13538 Siskiyou Caribou Mountain. 2438 Comment
  CAS-BOT-BC14274  Boechera pinetorum John Thomas Howell 1937-7-21 13153 Siskiyou South Fork of Salmon River near Big Flat. 1524 Comment
  CHSC71291  Boechera pinetorum Vernon H. Oswald; Lowell Ahart 1998-6-11 9179 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
  UCD77345  Boechera puberula Robert E. Preston 2001-7-21 1745 Siskiyou Klamath National Forest, Rainbow Mountain, T42N R1W sw 1/4 of ne 1/4 Section 22 2255 Comment
  CAS-BOT-BC14669  Boechera rectissima Marion Ownbey; Fred G. Meyer 1940-7-3 2161 Siskiyou 5 miles northwest of McCloud. Comment
  CAS-BOT-BC14671  Boechera rectissima Marion Ownbey; Fred G. Meyer 1940-7-3 2161 Siskiyou 5 miles northwest of McCloud. Comment
  UC1409430  Boechera retrofracta Frederick W. Oettinger 1969-7-11 922 Siskiyou Near Half-way Spring, trail from English Lake to Diamond Lake, Salmon Mountains, Marble Mountain Wilderness Area, English Peak. 1828 Comment
  SEINET3166095  Boechera rollei P. J. Alexander 2008-7-24 873 -C Siskiyou On the Pacific Crest Trail +-0.7 miles SSW of Cook & Green Pass, +-1.9 miles E of Red Butte, +-7miles NNE of Seiad Valley, Siskiyou Mountains, Rogue River National Forest. 1606 Comment
  CAS-BOT-BC410929  Boechera sparsiflora Geo. D. Butler 1910-5-5 1282 Siskiyou Humbug Mt. Comment
  CAS-BOT-BC25690  Boechera sparsiflora L. B. Kildale 1930-6-1 9853 Siskiyou Summit between Sawyers Bar and Etna Mill. Comment
  SEINET3132241  Boechera sparsiflora G. D. Butler 1910-5-21 1382 Siskiyou Klamath hils Comment
  CAS-BOT-BC25871  Boechera subpinnatifida Doris K. Kildale; L. B. Kildale 1930-6-1 9836 Siskiyou Mill Creek near Etna Mills. Comment
  CAS-BOT-BC25869  Boechera subpinnatifida Alice Eastwood; John Thomas Howell 1937-6-25 5024 Siskiyou Callahan. Comment
  UC1159805  Bolboschoenus maritimus Edward J. O'Neill 1965-9-18 Siskiyou Tulelake Fish and Game Wildlife Refuge Comment
  HSC297  Boykinia major William J. Ferlatte 1966-8-17 395 Siskiyou Caribou Basin 1982 Comment
  HSC63260  Boykinia major M. A. Baker 1979-7-30 1079 Siskiyou Draw W of trail to Rainy Lake Comment
  UC375292  Brassica rapa Geo. D. Butler 1908-7-14 1048 Siskiyou fields near Yreka Comment
  CAS-BOT-BC100470  Brickellia californica Carl B. Wolf 1927-8-26 1005 Siskiyou On the Klamath River, 5 mi. below Hornbrook Comment
  UC1408932  Brickellia grandiflora Frederick W. Oettinger 1968-8-23 611 Siskiyou due ene of, high lake basinns in the vicinity of English Peak Diamond Lake; Salmon Mountains, Marble Mountain Wilderness Area 2057 Comment
  CAS-BOT-BC127859  Brickellia grandiflora Wm. Bridge Cooke 1941-8-22 16209 Siskiyou among lava boulders in the Lava Park above Bolam Station on the north side of Mt. Shasta 1524 Comment
  CAS-BOT-BC127717  Brickellia greenei Peter Raven 1956-9-5 10462 Siskiyou North Fork of Sacramento River 1828 Comment
  RSA44888  Brickellia greenei J. C. Roos 1948-9-2 3975 Siskiyou 5 mi SW of Yreka. Comment
  UCD70189  Brickellia greenei D. Sanchez-Mata 1997-9-18 s.n. Siskiyou Mount Shasta-Lake Siskiyou-Gumboot Lake. South Fork (Sacramento River) Road. 1340 Comment
  UCR108347  Brickellia greenei L. C. Wheeler 1952-9-18 6248 Siskiyou Siskiyou Mtns, South fork Indian Creek, near Happy Camp 333 Comment
  RSA96963  Brickellia greenei Percy C. Everett, E. K. Balls 1954-10-13 20277 Siskiyou Seiad Creek, road to Kangaroo Mountain, 7.2 miles NE from Hwy 96. 823 Comment
  UCD57883  Bromus carinatus Alton 1953-7-28 KNF 5 Siskiyou Siskiyou-Trinity Co. line. Klamath N. F. Long Gulch Camp. 1889 Comment
  UCD58305  Bromus carinatus L. D. Whitney 1935-7-15 s.n. Siskiyou Bulls-Eye Lake. Comment
  HSC30593  Bromus carinatus var. marginatus Frederick W. Oettinger 1968-8-8 453 Siskiyou Salmon Mtns., Marble Mtn. Wilderness Area, Crapo Meadow. 2134 Comment
  UC593531  Bromus laevipes E. B. Babcock, G. L. Stebbins Jr. 1936-6-11 1907 Siskiyou about 7 mi sw of Yreka (s of highway from Yreka to Fort Jones, Forest House Mountain); Forest House Mountain 1371 Comment
  CHSC4376  Bromus madritensis subsp. rubens M. M. Gregg 1966-5-14 180 Siskiyou W of Callahan on Etna Rd. approx. 1-1 1/2 mi. Along side of rd. Comment
  CAS-BOT-BC162136  Bromus orcuttianus R. E. Frenkel 1963-7-13 229 Siskiyou On Everitt Memorial Highway 4.7 miles north of McCloud River Railroad crossing. Along both sides of road. 1545 Comment
  HSC42950  Bromus orcuttianus J. O. Sawyer, Ken Stillman 1976-7-1 2776 Siskiyou Streamside terraces and lower slopes along the Little N Fork of the Salmon River. 732 Comment
  RSA239073  Bromus orcuttianus Frederick W. Oettinger 1969-8-16 1392 Siskiyou near English Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. Comment
  CAS-BOT-BC185606  Bromus tectorum William A. Dayton 1912-7-28 153 Siskiyou Shasta Forest. Ash Creek Sink. 1188 Comment
  HSC36759  Bromus tectorum J. P. Smith 1974-5-25 7408 Siskiyou Along Rd. 8, 0.9 mi. from its junction with Hwy. 3 976 Comment
  UC816448  Bromus tectorum A. A. Heller 1916-6-20 12405 Siskiyou ne base of Mount Eddy, Metcalf's Ranch Mount Eddy; , Metcalf's Ranch 1188 Comment
  SEINET10515122  Bromus tectorum A. Arthur Heller 1916-6-20 Heller 12405 Siskiyou Metcalf's ranch, northeast base of Mt. Eddy in openings in the forest. The prevalent tree is Douglas fir with some white fir and sugar pine, after cutting the original stand of Jeffrey pine. The common undershrubs are ceanothus and Uva-ursi in the dry places with Salix and Corylus in low ground. 1189 Comment
  NY664732  Bromus tectorum var. glabratus A. Eastwood 1912-7-17 1126 Siskiyou McCloud Comment
  UCD59949  Bromus tectorum var. nudus P. B. Kennedy 1923-7-29 s.n. Siskiyou Mt. Shasta City. By Camp Sisson. Comment
  RSA239016  Calamagrostis canadensis Frederick W. Oettinger, Robert F. Thorne 1969-8-7 1272 Siskiyou Lake Shore SE side English Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1753 Comment
  HSC30655  Calamagrostis canadensis var. langsdorffii Frederick W. Oettinger, R. F. Thorne 1969-8-4 1184 Siskiyou Marble Mtn. Wilderness Area, on moraine N of Tobacco Lake 1890 Comment
  HSC96316  Calamagrostis canadensis var. langsdorffii Gordon Leppig, J. Kalt 1996-7-9 385 Siskiyou Klamath National Forest, Russian Wilderness, cirque W of Little Duck Lake 2200 Comment
  CAS-BOT-BC185269  Calamagrostis koelerioides M. B. Dunkle 1945-7-22 9239 Siskiyou Klamath Forest. Wooley Pockets Ridge. 2133 Comment
  HSC30640  Calamagrostis koelerioides Frederick W. Oettinger 1968-8-23 605 Siskiyou Marble Mountain Wilderness, below overlook of English Lake, on slope of English Peak, on trail to Tom Taylor Cabin 2073 Comment
  UC1265435  Calamagrostis koelerioides F. W. Oettinger 1969-9-3 683 Siskiyou slope w Horse Range Lake (nw of Horse's Hole Pond); Salmon Mountains 1920 Comment
  CAS-BOT-BC112320  Calliscirpus criniger Ira L. Wiggins 1955-7-27 13553 Siskiyou Caribou Lake, Salmon-Trinity Alps Primitive Area. 2042 Comment
  RSA237963  Callitriche heterophylla Frederick W. Oettinger 1969-8-15 1388 Siskiyou Inlet meadow to Upper English Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. Comment
  UC422991  Calochortus coeruleus Milo S. Baker 1896-6-10 97 Siskiyou Sisson Comment
  UC618672  Calochortus coeruleus unknown 1938-7-1 11154 Siskiyou above Bear Spring; Mount Shasta Comment
  SEINET4169788  Calochortus elegans C. L. Hitchcock, J. S. Martin 1939-7-9 5335 Siskiyou Paradise Lake , near King's Lake 1768 Comment
  UC648359  Calochortus elegans Marion Ownbey and Ruth P. Ownbey 1938-7-20 1764 Siskiyou near Round Mountain (above Oak Knoll Ranger Station); Siskiyou Mts. Comment
  RSA17447  Calochortus elegans var. nanus Elmer I. Applegate 1895-5-28 725 Siskiyou Sissons. Comment
  HSC25479  Calochortus tolmiei J. P. Smith, J. O. Sawyer, Maralyn O'Meara 1972-7-3 5722 Siskiyou E slope of Kangaroo Mtn., above Toehead Lake. 1890 Comment
  RSA237354  Calochortus tolmiei Frederick W. Oettinger 1967-6-24 120 Siskiyou Ridge near Etna Summit on road from Etna to Sawyers Bar. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1820 Comment
  CAS-BOT-BC132627  Calochortus uniflorus W. R. Dudley 1893-6-19 s.n. Siskiyou Near Sisson Meadows Comment
  UC199253  Caltha biflora Annie M. Alexander and Louise Kellogg 1911-6-22 177 Siskiyou Jackson Lake. 1798 Comment
  HSC69352  Caltha leptosepala Maralyn A. Renner 1980-8-21 2572 Siskiyou Kidd Creek 2043 Comment
  RSA789267  Calycadenia truncata R. L. Carr 1978-8-17 2129 Siskiyou Ca. 4.0 miles west of Gazelle on the Gazelle-Callahan Road, south of Yreka. 950 Comment
  POM107555  Calypso bulbosa Geo D. Butler 1910-6-5 1512 Siskiyou Shackleford Creek Comment
  HSC61819  Calyptridium monospermum Ruby Van Deventer 1938-7-21 Siskiyou Poker Flat 1585 Comment
  SJSU9826  Calyptridium umbellatum M. D. Fleschner 1965-7-13 Siskiyou slope above Horse Camp on Mt Shasta 2438 Comment
  UC7775  Calyptridium umbellatum W. H. Brewer 1862-9-13 1371 Siskiyou Mount Shasta 2133 Comment
  CDA39861  Calystegia malacophylla D. H. Shaw & J. R. Keck 1977-7-19 s.n. Siskiyou Coffee Creek near Big Flat Campground, Klamath National Forest. 0 Comment
  UC54565  Calystegia malacophylla subsp. malacophylla H. M. Hall and E. B. Babcock June, 1903 4034 Siskiyou near Dunsmuir (Mount Shasta); , near Dunsmuir 762 Comment
  CAS-BOT-BC221260  Calystegia malacophylla subsp. malacophylla A. A. Heller 1919-6-27 13280 Siskiyou Metcalf's ranch, northeast base of Mt. Eddy 1158 Comment
  JEPS105292  Calystegia occidentalis subsp. occidentalis Dean W. Taylor 1995-6-25 15116 Siskiyou Highway 3 at Soap Creek Summit (ca. 6 miles West of Yreka) 1280 Comment
  CAS-BOT-BC497584  Camassia quamash subsp. breviflora Geo. D. Butler 1909-6-22 890 Siskiyou Goosenest foothills Comment
  CDA3580  Camelina microcarpa T. C. Fuller 1958-6-18 1807 Siskiyou Tom Williams property, 4 miles northeast of Montague. 0 Comment
  RSA72212  Camissonia tanacetifolia subsp. tanacetifolia F. W. Peirson 1923-7-19 3794 Siskiyou Open tableland north of Bray Comment
  JEPS11747  Campanula prenanthoides Geo. D. Butler 1908-7-20 37 Siskiyou near Yreka; Head of Long Gulch Comment
  JEPS95640  Campanula prenanthoides Vernon H. Oswald and L. Ahart 1994-8-1 6421 Siskiyou T39N R5W SE1/4 Sec. 16, 4720 ft, Yellow Pine Forest. Forest Rd. 26 paralleling the South Fork of the Sacramento River, 0.3 mi E of Forest Rd. 40N43, 9.0 mi SW of the dam at Lake Siskiyou 1438 Comment
  RSA68916  Campanula prenanthoides A. E. Culbertson 1943-8-1 42 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
  UC1190263  Campanula prenanthoides Ira L. Wiggins 1955-7-23 13463 Siskiyou ridge w China Creek (s side of river); S Fork of Salmon River 960 Comment
  SEINET10463164  Campanula prenanthoides Palmer 1892-7-13 Palmer 2511 Siskiyou Mount Shasta and vicinity Comment
  SEINET10463361  Campanula prenanthoides Alice Eastwood 1922-10-18 Eastwood 11530 Siskiyou Shasta Springs Comment
  SEINET10939017  Campanula prenanthoides A. Arthur Heller 1920-7-28 Heller 13486 Siskiyou ALONG HIGHWAY NORTH SLOPE OF SISKIYOU MTNS YELLOW PINE AND OAK BELT Comment
  SEINET12265040  Campanula prenanthoides M. Ownbey, Meyer, F. G. 1940-1 2171 Siskiyou Siskiyou Mts., NW of Hornbrook Comment
  POM59331  Campanula rotundifolia E. B. Copeland 1903-9-7 3852 Siskiyou Mt. Eddy. 2744 Comment
  UC70377  Campanula rotundifolia Milo S. Baker 1899-7-31 Siskiyou E slope of Mt Shasta, on Ash Creek Comment
  UC803881  Campanula rotundifolia G. L. Stebbins Jr. with P. Dansereau, C. McMillan, and K. Narayan 1949-8-9 4022 Siskiyou Along Park's Creek, above Stewart Springs, 10 miles w of Weed. 1219 Comment
  SEINET10840348  Campanula scabrella Raven 1956-9-4 Raven 10415 Siskiyou SUMMIT OF MT EDDY FORMING MATS 2758 Comment
  SEINET10463570  Campanula scouleri Clifton 1975-7-29 CLIFTON s.n. Siskiyou STREAMSIDE, NR. COPPER BUTTE, SEIAD V. QUAD. NR SEIAD V. 1414 Comment
  SEINET10463762  Campanula scouleri Ownbey 1940-7-8 OWNBEY 2226 Siskiyou Near summit of Siskiyou Mountains, 18 miles north of Happy Camp Comment
  SEINET12271816  Campanula scouleri M. Ownbey, Meyer, F. G. 1940-1 2226 Siskiyou 18 mi N of Happy Camp Comment
  RSA211342  Campanula wilkinsiana William J. Ferlatte 1967-8-22 1099 Siskiyou Head of Kidd Creek. 2134 Comment
  SEINET10463871  Campanula wilkinsiana Renner 1980-8-21 RENNER 2538 Siskiyou Coffee Creek Quadrangle; south corner boundry, Kidd Creek, streamside. T37N R9W Sec. 32-33 2042 Comment
  UC10297  Capsella bursa-pastoris F. W. Hooper 1897-4-21 Siskiyou Little Shasta Comment
  CAS-BOT-BC37224  Cardamine angulata Alice Eastwood 1923-5-18 11838 Siskiyou Shasta Springs. Comment
  RSA120643  Cardaria draba Milo S. Baker 1955-6-27 13089 Siskiyou Scott Valley 1 mile N of Callahan. Comment
  RSA237333  Carex abrupta Frederick W. Oettinger, Robert F. Thorne 1969-8-6 1249 Siskiyou Pine Lake Meadow. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1829 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
  HSC69106  Carex aquatilis Maralyn A. Renner 1980-8-6 2301 Siskiyou Cracker Meadow 1555 Comment
  UC1100434  Carex athrostachya Malcolm A. Nobs, Calvin McMillan 1949-6-17 806 Siskiyou Grass Lake, Hwy 97 Comment
  CAS-BOT-BC19084  Carex aurea William Bridge Cooke 1939-6-23 13539 Siskiyou Mount Shasta. Wagon Camp. 1737 Comment
  HSC39311  Carex bolanderi J. O. Sawyer 1969-7-11 866 Siskiyou Ravine above C.C.C. road. 1280 Comment
  CAS-BOT-BC19662  Carex brainerdii J. Major 1961-7-14 646 Siskiyou Mount Shasta. Along Mud Creek. 1828 Comment
  CAS-BOT-BC19653  Carex brainerdii H. E. Brown 1897-6-7 370 Siskiyou Mt. Shasta. Comment
  LA17374  Carex breweri L. Ellison; 1928-9-12 500 Siskiyou Mount Shasta 3017 Comment
  RSA739864  Carex breweri L. P. Janeway, B. Castro 2007-7-29 9141 Siskiyou High Cascade Range, Medicine Lake Highlands, Pumice Stone Mtn 2054 Comment
  SEINET10648318  Carex breweri Charles F. Baker 1903-7-16 Baker 3517 Siskiyou Mount Shasta. 3170 Comment
  SEINET10856290  Carex breweri Thorne 1969-8-10 THORNE 38982 Siskiyou Mount Shasta National Forest: south slope of Mount Shasta; at base of boulders on dry, sunny volcanic slopes above ski-logde. 2377 Comment
  UC671  Carex breweri var. breweri W. H. Brewer Sep 1862 1422 Siskiyou Mt. Shasta; ; Mt. Shasta 2743 Comment
  CHSC38999  Carex capitata J. D. Jokerst 1983-7-5 1823 Siskiyou Upper margins of the wet meadow of Atkin's Meadow in its NE corner. Comment
  HSC48951  Carex concinnoides M. A. Baker 1979-5-17 728 Siskiyou S facing hillside near road to Bald Mtn. trail off FS 15N01 Comment
  HSC76851  Carex diandra L. P. Janeway 1982-8-13 122 Siskiyou Springy bench above and on NE side of Bear Creek, along the trail 1616 Comment
  RSA237322  Carex echinata subsp. echinata Frederick W. Oettinger, Robert F. Thorne 1969-8-8 1289 Siskiyou Sundew Bog near English Lake. Salmon Mtns; High Lake Basins in the vicinity of English Peak; Marble Mountain Wilderness Area. 1829 Comment
  SEINET3900972  Carex eurycarpa L. E. Detling 1959-6-8 8227 Siskiyou Scott River near Kelsey Creek Guard Station.; 0 671 Comment
  UC55223  Carex feta H. M. Hall and E. B. Babcock June, 1903 4061 Siskiyou Sisson Sierra Nevada Mountains, Mount Shasta 1066 Comment
  HSC29642  Carex fracta Frederick W. Oettinger 1969-8-16 1393 Siskiyou Marble Mtn. Wilderness Area, SW of Wiregrass Meadow above English Lake. 1677 Comment
  HSC48021  Carex globosa D. H. Norris 1972-6-11 22844 Siskiyou Along Duck Lakes trail near Parrott's Mill Road 1677 Comment
  SEINET3901319  Carex globosa D. H. Norris 1972-6-11 22844 Siskiyou Along Duck Lakes trail near Parrott's Mill Road.; 0 1676 Comment
  CAS-BOT-BC20466  Carex halliana A. A. Heller 1922-7-15 13689 Siskiyou In the meadow at Medicine Lake. 2133 Comment
  CAS-BOT-BC20469  Carex halliana Alice Eastwood 1921-7-28 10943 Siskiyou Medicine Lake. Comment
  JEPS95092  Carex halliana Vernon Oswald and Lowell Ahart 1997-7-28 8798 Siskiyou s of Schonchin Spring Campground at Medicine Lake Medicine Lake 2057 Comment
  JEPS109693  Carex hassei Dean W. Taylor 2002-6-10 18126 Siskiyou Scott Mountain, bog between Grouse Creek and Little Carmen Creek 1188 Comment
  SEINET7485275 Image available Carex hassei Peter F. Zika 2009-1 24535 Siskiyou near Pacific Crest Trail, Route 3, Scott Mountain Summit 1640 Comment
  JEPS117731  Carex hystericina Robert E. Preston 2008-5-15 2633 Siskiyou ca. 2 mi N of, along Hwy 96 Somes Bar; Davis Creek 228 Comment
  HSC97429  Carex integra Jennifer Whipple 1977-7-21 2013 Siskiyou Near Durney Lake 2073 Comment
  UC1152060  Carex jonesii Joseph P. Tracy 1950-7-20 19205 Siskiyou about 5 mi se Elk Valley; Flint Valley 1432 Comment
  UC1576760  Carex jonesii Dean Wm. Taylor with Glenn L. Clifton and Rexford E. Palmer 1987-6-7 9025 Siskiyou Paynes Springs Upper Modoc Plateau, Medicine Lake highland 2011 Comment
  CAS-BOT-BC31304  Carex lenticularis var. impressa W. R. Dudley 1901-8-18 s.n. Siskiyou Jacksons Lake. Comment
  CAS-BOT-BC482439  Carex lenticularis var. impressa Dana York 2010-9-11 3012 Siskiyou Six Rivers Naitonal Forest, NE slope of Broken Rib Mountain 1670 Comment
  UC630392  Carex lenticularis var. impressa Annetta Carter 1939-8-20 1461 Siskiyou 12 mi sw Etna (nw side of Taylor Lake); Salmon Mountains, Taylor Lake 2026 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
  HSC37424  Carex leptopoda J. O. Sawyer 1969-8-5 1955 Siskiyou Above the S Fork of Sugar Creek 1814 Comment
  CAS-BOT-BC31622  Carex luzulina var. luzulina J. M. Tucker 1950-7-23 1944 Siskiyou Panther Meadows, south slope of Mt. Shasta. 2407 Comment
  JEPS109227  Carex luzulina var. luzulina D. W. Taylor 2005-8-18 19466 Siskiyou Dry Creek Peak, cirque on north face at headwaters Antelope Creek, ca 12 air miles NE of the summit of Mt. Shasta. 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
  CHSC40172  Carex mendocinensis Lawrence Janeway 1982-6-22 19 Siskiyou Ca. 400 m ne of West Branch Guard Sta along the road into Indian Cr and near small creek crossing. 670 Comment
  HSC45960  Carex multicaulis J. P. Smith 1973-5-5 6395 Siskiyou In and around the O'Neill Campground near Seiad Valley. 488 Comment
  JEPS25660  Carex multicostata Rimo Bacigalupi with Mr. and Mrs. Van Deventer 1959-7-10 7303 Siskiyou 4 air-line mi nne Preston Peak (meadow at Twin Valley just e of Del Norte county line); Siskiyou Mts., watershed of Indian Creek, Twin Valley Comment
  RSA211375  Carex multicostata William J. Ferlatte 1966-6-22 115 Siskiyou Josephine Lake basin; Trinity Alps. 1677 Comment
  SEINET7568516 Image available Carex multicostata Frederick W. Oettinger 1968-8-8 450 Siskiyou Salmon Mountains, High Lake Basins in the vicinity of English Peak Marble Mountain Wilderness Area. 2164 Comment
  HSC45541  Carex nebrascensis J. P. Smith, Steve Selva 1970-7-16 4374 Siskiyou Along Klamath River, 2 mi. W of Seiad Creek 518 Comment
  UC196159  Carex nebrascensis Geo. D. Butler 1909-6-13 858 Siskiyou Oro Fino Comment
  CAS-BOT-BC119641  Carex nigricans Rimo Bacigalupi 1959-7-1 7205 Siskiyou Panther Meadow, SW slopes of Mt. Shasta. 2286 Comment
  CAS-BOT-BC119642  Carex nigricans William Bridge Cooke 1938-7-18 11484 Siskiyou Horse Camp Springs; in springs above camp along the summit trail. Mt. Shasta. 2545 Comment
  RSA237285  Carex nigricans Frederick W. Oettinger 1969-9-4 1658 Siskiyou Tom s Lower Pond. Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1951 Comment
  RSA237298  Carex nigricans Frederick W. Oettinger, Robert F. Thorne 1969-8-6 1261 Siskiyou West of Tom s lower pond. Salmon Mountains. High Lake Basin in the vicinity of English Peak. Marble Mountain Wilderness Area. 1951 Comment
  SEINET10711540  Carex nigricans William B. Cooke 1941-9-10 Cooke 16298 Siskiyou Occasional around the springs along the summit trail above Horse Camp, Mt. Shasta. 2515 Comment
  CAS-BOT-BC119469  Carex nudata A. A. Heller 1905-6-1 7921 Siskiyou Between Dunsmuir and Upper Soda Spring. Comment
  HSC39759  Carex nudata J. O. Sawyer 1970-4-3 2098 Siskiyou Along Sugar Creek 915 Comment
  SEINET10711622  Carex nudata A. Arthur Heller 1905-6-1 Heller 7921 Siskiyou Between Dunsmuir & Upper Soda Spring. Comment
  CHSC48071  Carex pachystachya L. P. Janeway 1983-8-26 607 Siskiyou At Poker Flat, a mdw. Across road on N edge of mdw. 1524 Comment
  UC822439  Carex pachystachya Louis C. Wheeler 1934-8-2 3014 Siskiyou head Jaynes Canyon; Siskiyou Mts. 2042 Comment
  RSA577439  Carex pachystachya L. C. Wheeler 1935-7-26 3718 Siskiyou Siskiyou mountains: Jaynes Canyon 1951 Comment
  CAS-BOT-BC118575  Carex praegracilis Lewis Samuel Rose 1937-7-3 37397 Siskiyou Weed. 944 Comment
  JEPS107829  Carex praegracilis Lowell Ahart, John Dittes 2005-6-10 12094 Siskiyou 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 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
  RSA755707  Carex preslii Barbara Ertter 1990-7-14 9317 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
  UC1950435  Carex preslii Barbara Ertter 1990-7-14 9317 Siskiyou E side Mt Eddy ca 4 airmiles due W of Mt Shasta City, at streamlet near end of FR 41N53 ca 1 mi N of Morgan Meadows, steep E-facing serpentine hillside Comment
  HSC89804  Carex rostrata D. K. Imper 1987-7-22 Siskiyou 8 mi. E of Somes Bar 1372 Comment
  HSC76822  Carex scabriuscula L. P. Janeway 1982-9-3 185 Siskiyou At Little Carmen Lake, NW of Scott Mtn., 1 m from NW edge 1768 Comment
  HSC103365  Carex scabriuscula Thomas W. Nelson, Jane Nelson 1982-7-16 7233 Siskiyou Along west side of Forest Service Rd. 42N17, at summit above Deadfall Meadow, near crossing of Pacific Crest Trail. (Siskiyou-Trinity county line) 2073 Comment
  SEINET3908064  Carex scopulorum K. Morris, Conrad; Dunn 1973-6-2 346 Siskiyou Found at the junction of Shasta and Klamath Rivers on Hwy 263.; 0 Comment
  JEPS84063  Carex scopulorum var. bracteosa L. R. Heckard with S. D'Alcamo, J. Hickman, S. Winchester 1986-7-16 6435 Siskiyou ca. 5 mi n town of Seiad Valley (cirque at head of Hell's Canyon, e slope of Kangaroo Mountain); Kangaroo Mountain, Hell's Canyon 1828 Comment
  UC1255  Carex scopulorum var. bracteosa W. H. Brewer Sep 1862 1458 Siskiyou near Shasta City; Mt. Bally Comment
  UC835741  Carex spectabilis John Thomas Howell 1939-8-8 15151 Siskiyou Black Mt. Marble Mts. Comment
  CAS-BOT-BC117236  Carex spectabilis K. T. Stillman 1976-7-23 307 Siskiyou Scott Bar Quad. Marble Mountain Wilderness Area. 2011 Comment
  HSC61965  Carex spectabilis Al Hobart 13 Aug [year missing] Siskiyou Preston Peak 2073 Comment
  CDA33164  Carex stipata G. D. Barbe 1973-8-14 1699 Siskiyou Site of the proposed quarantine station south of Mt. Shasta City, west side of Interstate 5. Comment
  CHSC82751  Carex straminiformis L. P. Janeway 2002-7-13 7639 Siskiyou High Cascade Range. 1.0 km west of the western edge of Medicine Lake; 0.2 km southeast of Road 43N48 on west side of the road to a cinder pit. 2079 Comment
  JEPS40878  Carex straminiformis Paul C. Hutchison 1962-8-2 929 Siskiyou between Panther Meadow and top of ski lift; Mt. Shasta 2743 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
  SEINET11638246  Carex straminiformis C. G. Pringle 1882-1 s.n. Siskiyou Mount Shasta 2438 Comment
  CAS-BOT-BC115837  Carex subfusca Alice Eastwood; John Thomas Howell 1937-6-26 5060 Siskiyou Near Forks of Salmon Comment
  UC922500  Carex subfusca Annie M. Alexander and Louise Kellogg 1949-7-28 5887 Siskiyou Sky High Valley Marble Mountains 1767 Comment
  HSC48042  Carex subfusca D. H. Norris 1972-6-11 22907 Siskiyou Along Duck Lakes trail near Parrott's Mill Rd. 1677 Comment
  CAS-BOT-BC115167  Carex vesicaria A. A. Heller 1922-7-15 s.n. Siskiyou In moist meadows about Medicine Lake 2133 Comment
  CAS-BOT-BC114817  Carex whitneyi J. Major 1961-7-14 645 Siskiyou In Mud Creek, Mount Shasta. 1706 Comment
  HSC16  Castilleja applegatei William J. Ferlatte 1966-6-22 105 Siskiyou 3 mi. S of Big Flat 1585 Comment
  CAS-BOT-BC243746  Castilleja applegatei var. pinetorum A. A. Heller 1905-6-15 8033 Siskiyou Near Sisson Comment
  JEPS3870  Castilleja arachnoidea W. L. Jepson 1940-6-27 20034 Siskiyou e slope Mt. Shasta 1828 Comment
  UC1096789  Castilleja arachnoidea H. K. Wagnon 1957-8-11 1694 Siskiyou 6 mi w Military Pass Rd. (along Brewer Creek, e slope of Mount Shasta); Mt. Shasta, Brewer Creek Comment
  UC618868  Castilleja arachnoidea Alice Eastwood 1938-8-21 11535 Siskiyou Horse Camp Flats Mount Shasta (sw slope of Mount Shasta) 2438 Comment
  JEPS14712  Castilleja lacera Rimo Bacigalupi with Lincoln Constance and M. Hiroe 1956-6-9 5694 Siskiyou 1.5 mi n Weed (along U.S. Highway 99); Shasta Valley Comment
  HSC36883  Castilleja lacera J. P. Smith 1974-5-26 7527 Siskiyou On Hwy. 3, 0.5 mi. NE of Fort Jones 854 Comment
  CAS-BOT-BC252476  Castilleja miniata Wm. Bridge Cooke 1938-9-8 11606 Siskiyou Mt. Shasta 2590 Comment
  CAS-BOT-BC254006  Castilleja miniata A. A. Heller 1916-7-20 12473 Siskiyou near Wagon Creek Falls, east side of Mt. Eddy 1524 Comment
  CAS-BOT-BC254014  Castilleja miniata Alice Eastwood 1921-7-24 10790 Siskiyou Castle Lake Comment
  HSC168  Castilleja miniata William J. Ferlatte 1966-8-2 232 Siskiyou Big Flat, between campground and S. fork of the Salmon River 1524 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
  CAS-BOT-BC253623  Castilleja miniata A. A. Heller 1939-7-27 15431 Siskiyou Panther Meadow, Mt. Shasta. 2438 Comment
  RSA120855  Castilleja miniata G. D. Barbe 1957-7-13 374 Siskiyou Big Flat Public Camp, Klamath National Forest. 1524 Comment
  UC651920  Castilleja miniata Hugh and Margaret Dearing 1939-7-2 3804 Siskiyou Salmon Mountain summit; Salmon Mountain Comment
  SBBG21825  Castilleja miniata subsp. miniata D. Myrick 1964-7-25 964 Siskiyou above Ski Bowl Lodge, Mt Shasta 2407 Comment
  HSC76896  Castilleja pruinosa K. T. Stillman 1976-9-9 484 Siskiyou Marble Mountain Wilderness Area; jump off point, trail to Box Camp 1951 Comment
  SEINET14165199  Castilleja pruinosa G. D. Butler 1910-4-19 1148 Siskiyou Near Yreka. Comment
  POM252810  Castilleja psittacina A. A. Heller 1938-7-12 15261 Siskiyou Near the eastern base of Deer Mountain on U.S. Highway 97. 1372 Comment
  CAS-BOT-BC241083  Castilleja schizotricha Gilbert Muth 1965-8-6 s.n. Siskiyou Backside of Blk. Mt. 2072 Comment
  UC164276  Castilleja schizotricha Geo. D. Butler 1910-7-9 1711 Siskiyou Woody Creek Comment
  CAS-BOT-BC48697  Ceanothus cordulatus A. A. Heller 1905-6-16 8051 Siskiyou Near Sisson 1219 Comment
  UC61165  Ceanothus cordulatus W. A. Setchell, C. C. Dobie 1902-7-16 Siskiyou Sisson Mount Shasta Comment
  HSC45163  Ceanothus cuneatus J. O. Sawyer, E. Cope 1977-6-19 2956 Siskiyou Clear Creek Trail between Preston Creek and Trout Camp 915 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
  UC79869  Ceanothus incanus Katharine Brandegee 1889-4 Siskiyou Boulder Creek Comment
  RSA240090  Ceanothus integerrimus Frederick W. Oettinger 1969-8-25 1550 Siskiyou Little North Fork stream along new trail from end of logging road to Devils Canyon trail. Salmon Mtns. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1220 Comment
  UC338447  Ceanothus integerrimus Lemmon 1886-10-20 Siskiyou Soda Springs near Shasta Comment
  CAS-BOT-BC50687  Ceanothus integerrimus var. macrothyrsus L. E. Detling 1950-6-8 6586 Siskiyou Dunsmuir 792 Comment
  CAS-BOT-BC53081  Ceanothus prostratus W. C. Blasdale 1894-7-31 s.n. Siskiyou Sissons Comment
  HSC27760  Ceanothus prostratus J. P. Smith, J. O. Sawyer 1972-9-13 5793 Siskiyou 2 mi. W of Cook and Green Pass on the road to Lily Pad Lake Comment
  JEPS19771  Ceanothus prostratus Rimo Bacigalupi with S. Galen Smith 1957-6-26 5957 Siskiyou e shore of Gumboot Lake, head of South Fork Sacramento River, close to Trinity Co. line 1859 Comment
  CAS-BOT-BC53088  Ceanothus prostratus W. R. Dudley 1893-6-20 s.n. Siskiyou Castle Lake Trail Comment
  HSC100195  Ceanothus sanguineus J. P. Smith, & J. O. Sawyer 2011-9-5 13418 Siskiyou Along Klamath National Forest Road 45N28. 1378 Comment
  UC163693  Ceanothus sanguineus Geo. D. Butler 1910-6-17 1567 Siskiyou Humbug Mountains 1219 Comment
  JEPS83647  Ceanothus sanguineus R. Raiche, K. Zadnik 1987-9-1 RR 70698 Siskiyou nw Klamath River (the town) (below confluence of Jaynes Crk. and W fork if Beaver Crk., on US Forest Service Rd 47N01, ca 0.5 mi n of bridge over w fork); Jaynes Canyon, Jaynes Cyn. drainage Comment
  CAS-BOT-BC63159  Ceanothus velutinus W. B. C. 1938-6-17 11022 Siskiyou Sisson Southern Trail. 1371 Comment
  OBI10323  Ceanothus velutinus H. E. McMinn 1931-6-27 2519 Siskiyou Shasta City Comment
  RSA398976  Ceanothus velutinus H. E. McMinn 1931-6-27 2519 Siskiyou Shasta City. Comment
  SEINET5339451  Ceanothus velutinus H. A. Jensen 1933-9-25 s.n. Siskiyou Spring hill Comment
  CAS-BOT-BC52839  Ceanothus velutinus var. velutinus Gilbert Muth 1965-7-30 s.n. Siskiyou Marble Valley and Marble Rim Comment
  UC449590  Ceanothus velutinus var. velutinus Milo S. Baker 1896-1 Siskiyou Stage road between Bartles and Sisson; between Bartles and Sisson Comment
  CHSC4114  Centaurea cyanus R. Carter 1966-5-15 400 Siskiyou Ca. 5 mi. N of Callahan along W side road on W side Scott R. 914 Comment
  POM130333  Centaurium muehlenbergii E. B. Copeland 1903-7-14 3513 Siskiyou Klamathon. Comment
  HSC2261  Centromadia fitchii Geo. D. Butler 1910-7-31 1805 Siskiyou Near Yreka Comment
  CAS-BOT-BC384963  Cerastium arvense G. J. Muth 1969-8-6 1199 Siskiyou Boulder Peak 2529 Comment
  CAS-BOT-BC384966  Cerastium arvense Alice Eastwood 1912-8-30 1974 Siskiyou Mount Eddy Comment
  RSA184742  Cerastium arvense Gilbert Muth 1966-7-25 450 Siskiyou Marble Mountain lookout, Marble Mountains. 2098 Comment
  HSC103384  Cerastium dichotomum T. C. Fuller 1962-5-18 8745 Siskiyou Little Shasta Rd., 5 mi. E of Montague. Comment
  HSC68011  Cerastium fontanum subsp. vulgare J. P. Smith, Steve Selva 1970-6-16 4071 Siskiyou 8 mi. W of Etna on road to Sawyers Bar. 1372 Comment
  CAS-BOT-BC207631  Cercis occidentalis J. H. Thomas 1954-5-15 4189 Siskiyou About 1 mile SE of Forks of the Salmon. Comment
  UC71782  Cercis occidentalis Mrs. R. W. Summers 1881-1 3103 Siskiyou base of mt. near Southern's Station; Mt. Shasta Comment
  UC1733685  Cercocarpus ledifolius Frank Gould, Kay H. Beach 1940-5-16 1253 Siskiyou about 11 mi W of Mt. Hebron ( summit of Bald Mountain grade) Comment
  CAS-BOT-BC148516  Cercocarpus ledifolius var. ledifolius John Thomas Howell 1937-7-25 13467 Siskiyou Caribou Basin, Salmon-Trinity Alps 2286 Comment
  HSC36766  Cercocarpus montanus var. glaber J. P. Smith 1974-5-25 7399 Siskiyou Along Rd. 8, 0.9 mi. from its junction with Hwy. 3 976 Comment
  POM208295  Chaenactis carphoclinia L. C. Wheeler 1934-6-15 2715 Siskiyou Hungry Creek, Siskiyou Mts. 1280 Comment
  CAS-BOT-BC276756  Chaenactis douglasii var. douglasii M. B. Dunkle 1945-8-4 9286 Siskiyou Kings Castle, Klamath Forest 2377 Comment
  HSC46952  Chaenactis douglasii var. douglasii William J. Ferlatte 1974-7-15 1542 Siskiyou Yellow Rose Mine; On tailings from mine shaft 1982 Comment
  UC173222  Chaenactis suffrutescens Katharine Brandegee 1887-7-1 Siskiyou Edgewood Comment
  CAS-BOT-BC141587  Chamaebatiaria millefolium Alice Eastwood; John Thomas Howell 1940-6-14 8259 Siskiyou Lava Beds National Monument, near Indian Well Comment
  RSA124136  Chamaecyparis nootkatensis Al Hobart 1958-8-15 s.n. Siskiyou The Devil s Punch Bowl, 3-4 miles east of Del Norte co. line and 10 miles south of the Oregon-CA state line Comment
  SEINET7342597 Image available Chamaecyparis nootkatensis Steve Selva, Roger Jensen 1974-1 40 Siskiyou T16N, R5E, Sec 6. Collected in the environs of Devils Punchbowl. Comment
  JEPS9107  Chamaesaracha nana W. L. Jepson 1940-7-1 20087 Siskiyou 6 mi e McCloud (Fowlers Camp); McCloud River 975 Comment
  UC618773  Chamaesaracha nana unknown 1938-6-17 11054 Siskiyou Sisson Southern Trail; Mount Shasta Comment
  CAS-BOT-BC165980  Chamerion angustifolium Walter Knight; Irja Knight 1979-9-6 3435 Siskiyou Half way between Mt. Shasta City and Panther Meadow on Everett Memorial Highway. Mount Shasta Comment
  CAS-BOT-BC165985  Chamerion angustifolium Gilbert Muth 1965-8-4 s.n. Siskiyou Marble Valley Comment
  SBBG25891  Chamerion angustifolium D. Myrick 1966-8-10 1529 Siskiyou trail to Salmon Crk Trail, Mtn Meadow Ranch, Big Flat 1676 Comment
  CAS-BOT-BC68237  Cheilanthes gracillima Ira L. Wiggins 1955-7-27 13531 Siskiyou Salmon-Trinity alps Primitive Area - on rocky ridge along west side of Caribou Lake 2042 Comment
  RSA120811  Cheilanthes gracillima G. D. Barbe 1955-7-9 156 Siskiyou South side of Kangaroo Lake, Scott Mountains 1829 Comment
  RSA685758  Cheilanthes gracillima May N. Ackley 1932-07 51 Siskiyou Casile Lake Comment
  RSA0072903  Chenopodium chenopodioides R. F. Thorne, C. W. Tilforth, J. Henrickson 1969-9-3 39038 Siskiyou Along Hwy 161 on N side of Lower Klamath Lake, Lake Klamath National Wildlife Refuge, 1.9 miles E of junction of Hwys 97 and 161. Comment
  POM210956  Chenopodium vulvaria L. C. Wheeler 1934-10-6 3307 Siskiyou Edge of path, Yreka. 793 Comment
  CAS-BOT-BC451435  Chimaphila menziesii Wm. Bridge Cooke 1938-8-5 11458 Siskiyou Mount Shasta: along the Sisson Southern Trail 1828 Comment
  UCR90894  Chimaphila menziesii Kathy Harper, Dane Karr 1994-6-10 s.n. Siskiyou North Coast Range, Indian Creek Camp, 14.5 mi NW of Happy Camp along Indian Creek Road, off Hwy 96. Near campsites 7 to 9 610 Comment
  HSC19322  Chimaphila umbellata J. O. Sawyer 1968-9-9 661 Siskiyou Ridges S of Cyclone Gap 1738 Comment
  HSC92972  Chimaphila umbellata Jennifer Whipple 1977-8-5 2177 Siskiyou Wagon Creek drainage on E face of Mt. Eddy 2317 Comment
  SBBG25825  Chimaphila umbellata D. Myrick 1966-8-10 1526 Siskiyou Salmon Crk Trail at Mountain Meadow Ranch, Big Flat 1676 Comment
  RSA138343  Chimaphila umbellata subsp. occidentalis Frederick W. Oettinger, R. F. Thorne 1969-8-7 1279 Siskiyou Salmon Mtns. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1753 Comment
  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
  SEINET12057288  Chlorogalum pomeridianum F. H. Utech 1978-7-1 78 -264 Siskiyou Klamath National Forest, Young's Valley Comment
  CDA3725  Chorispora tenella T. C. Fuller 1962-5-18 8748 Siskiyou Epperson property, 3.5 miles northwest of Gazelle. 0 Comment
  CAS-BOT-BC36391  Chrysolepis chrysophylla G. P. Rixford no date s.n. Siskiyou Hilt 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
  HSC26564  Chrysolepis sempervirens J. P. Smith, J. O. Sawyer 1972-8-20 5756 Siskiyou Slope of Mt. Hoffman 2134 Comment
  HSC30271  Chrysolepis sempervirens William J. Ferlatte 1971-9-19 1385 Siskiyou NW side of Caribou Mtn. 2073 Comment
  SD61049  Chrysothamnus viscidiflorus var. viscidiflorus Darley F. Howe 1964-8-5 Siskiyou 8.2 miles south of Dorris on Highway 97. 1280 Comment
  JEPS15737  Cicuta douglasii T. S. Brandegee July 1887 Siskiyou Edgewood Comment
  SEINET3156166  Cicuta occidentalis G. D. Butler 1910-7-15 1788 Siskiyou Uro Fens Creek Comment
  HSC30594  Cinna latifolia Frederick W. Oettinger 1969-8-25 1546 Siskiyou Marble Mountain Wilderness, moist meadow W of Arrow Peak, English Peak region 2012 Comment
  HSC95469  Circaea alpina subsp. pacifica G. Fred Hrusa 1998-7-5 14698 Siskiyou Cedar Camp Rd., about 5 mi. E of Weitchpec on Hwy. 96, N side of Hwy. Comment
  UC1483452  Circaea alpina subsp. pacifica Maralyn A. Renner 1980-6-24 1022 Siskiyou tributary stream to E. Fork Seiad Creek (where crossed by F.S. rd. 48N20); Klamath Nat'l Forest, Seiad Valley Quad. 1018 Comment
  CAS-BOT-BC285348  Cirsium andersonii Elizabeth McClintock; Wayne Roderick; Martha Roderick 1967-7-28 s.n. Siskiyou Gumboot Lake, Trinity Mts. 1828 Comment
  JEPS25880  Cirsium brevistylum Rimo Bacigalupi with L. Constance and L. Heckard 1960-7-21 7478 Siskiyou 0.2 mi w Rogers Creek crossing (along California highway 96, road bank on e side of canyon); Klamath River Canyon 228 Comment
  CDA1179  Cirsium cymosum B. Villegas 1999-6-8 s.n. Siskiyou Near Weed; Shasta Valley; Slough Rd about 2 miles south of Louie Rd. 0 Comment
  CDA1181  Cirsium cymosum T. C. Fuller 1960-5-24 4342 Siskiyou 1.5 mi. E/ Yreka, N/ R.R. Comment
  UC196188  Cirsium cymosum var. cymosum A. A. Heller 1905-6-22 Siskiyou between Igerna and Weed Comment
  UC135253  Cirsium douglasii var. breweri Dr. E. B. Copeland 1903-8-14 3934 Siskiyou Sisson Pacific Coast, Sisson 1066 Comment
  RSA0070878  Cirsium remotifolium M. B. Dunkle 1945-1 9338 Siskiyou Klamath National Forest, Marble Mountains. 2439 Comment
  CDA7429  Cirsium vulgare T. C. Fuller 1962-8-3 9501 Siskiyou Siskiyou Mountains: 200 yards up Raggedass Gulch, east of Beaver Creek, 5 miles north of the Klamath River. 0 Comment
  CAS-BOT-BC164164  Clarkia concinna L. B. Kildale 1930-6-1 9717 Siskiyou Salmon River between Oak Bottom and Somes Bar Comment
  HSC27687  Clarkia concinna subsp. concinna Carl W. Mize 1972-6-8 42 Siskiyou Along main trail 335 Comment
  HSC42940  Clarkia rhomboidea J. O. Sawyer, Ken Stillman 1976-7-1 2775 Siskiyou Streamside terraces and lower slopes along the Little N Fork of the Salmon River. 732 Comment
  RSA12600  Clarkia rhomboidea Carl B. Wolf 1934-7-6 5986 Siskiyou 3 mi. from Mt. Shasta City on Wagon Camp Road. SW slope of Mt. Shasta. 1220 Comment
  CAS-BOT-BC164977  Clarkia rhomboidea Doris K. Kildale; J. W. Gillespie 1929-6-22 8027 Siskiyou Salt Creek, 36 miles south of Dunsmuir Comment
  HSC19168  Clarkia rhomboidea J. O. Sawyer 1969-7-9 1220 Siskiyou On trail to S Sugar Lake 1692 Comment
  JEPS43185  Claytonia cordifolia Geo. D. Butler 1910-6-5 1510 Siskiyou Shackleford Creek Comment
  JEPS82478  Claytonia cordifolia Gilbert Muth 1966-7-8 354 Siskiyou Marble Mt. Wilderness Area; Marble Valley 1792 Comment
  JEPS69765  Claytonia rubra W. B. and V. G. Cooke 1972-6-30 45422 Siskiyou Military Pass Road; Mt. Shasta Comment
  CAS-BOT-BC443810  Claytonia rubra subsp. rubra Roxana S. Ferris; Laura Lorraine 1948-6-12 11807 Siskiyou At Mule Creek crossing of Scott Mountain Road 1524 Comment
  CAS-BOT-BC443815  Claytonia rubra subsp. rubra Wm. Bridge Cooke 1938-7-1 11122 Siskiyou Mount Shasta. Bear Spring. Comment
  CAS-BOT-BC443831  Claytonia rubra subsp. rubra John Thomas Howell; T. C. Fuller; G. D. Barbe 1980-4-29 53399 Siskiyou Forest Mountain Summit, 6 miles southwest of Yreka on road to Fort Jones 1249 Comment
  CAS-BOT-BC443832  Claytonia rubra subsp. rubra L. B. Kildale 1930-6-1 9848 Siskiyou Mill Creek near Etna Mills Comment
  HSC4456  Claytonia rubra subsp. rubra William J. Ferlatte 1966-6-22 107 Siskiyou 3 mi. S of Big Flat 1585 Comment
  UC1408942  Claytonia rubra subsp. rubra Frederick W. Oettinger 1969-8-6 1253 Siskiyou Pine Lake basin Salmon Mountains, Marble Mountain Wilderness Area, English P (vicinity of English Peak, w Siskiyou County) 1828 Comment
  HSC17712  Claytonia rubra subsp. rubra R. C. Wunner 1965-6-6 70 Siskiyou Lava Beds National Monument, 0.1 mi. on road to Caldwell Ice Cave. 1372 Comment
  CAS-BOT-BC92768  Clematis ligusticifolia Lewis S. Rose 1945-6-22 45168 Siskiyou Beaver Creek & Klamath River. 548 Comment
  CAS-BOT-BC92761  Clematis ligusticifolia W. R. Dudley 1901-8-25 s.n. Siskiyou Jackson Creek. Comment
  SEINET6907100  Clematis ligusticifolia M. K. Solecki, J. B. Taft 1986-9-9 2142 Siskiyou Bank of Scotty River near Indian Scotty campground; elevation 2,200 feet. 670 Comment
  HSC22449  Clintonia uniflora J. O. Sawyer 1969-8-4 1925 Siskiyou Above S Sugar Lake 2043 Comment
  UC1299331  Clintonia uniflora Freed W. Hoffman 1948-7-9 2569 Siskiyou 4.1 mi n of West Branch Public Camp (Waldo-Happy Camp Road); North Coast Ranges, Waldo-Happy Camp Road Comment
  CAS-BOT-BC500969  Clintonia uniflora Geo. D. Butler 1908-8-4 98 Siskiyou Near Cold Spring Wooley Creek Comment
  HSC36717  Clintonia uniflora Brent Whiteley 1975-6-29 106 Siskiyou 976 Comment
  POM170266  Clintonia uniflora Geo D. Butler 1910-6-5 1478 Siskiyou Shackleford Creek Comment
  SEINET8472238  Clintonia uniflora W. Roderick 1967-7-22 s.n. Siskiyou N of Happy Camp on road to O'Brien. 1219 Comment
  CAS-BOT-BC94402  Collinsia linearis R. C. Wenk 2005-7-15 199 Siskiyou Trinity Alps, above South Fork of the Salmon River, along the Yellow Rose Mine trail 1645 Comment
  UC1483552  Collinsia parviflora Maralyn A. Renner 1980-6-7 791 Siskiyou n of Greenhorn Road (Klamath National Forest); Klamath National Forest 1097 Comment
  JEPS19689  Collinsia rattanii Rimo Bacigalupi with S. Galen Smith and Geo. Bacigalupi Jr. 1957-6-26 5961 Siskiyou immed. s Mt. Eddy (along very poor mtn rd to Gumboot Lake, canyon of South Fork Sacramento River, at its source); South Fork Sacramento River 1432 Comment
  UC164319  Collinsia rattanii Geo. D. Butler 1909-4-14 651 Siskiyou Humbug Road Comment
  RSA237558  Collinsia rattanii Frederick W. Oettinger 1968-9-9 794 Siskiyou Northeast of Tom's Lake. The Salmon Mountains. The High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1829 Comment
  RSA120633  Collinsia torreyi var. latifolia G. D. Barbe 1955-7-6 131 Siskiyou SE shore of Taylor Lake, Salmon Mtns. 1951 Comment
  HSC78395  Collomia grandiflora L. P. Janeway 1983-9-23 690 Siskiyou At Poker Flat 1524 Comment
  RSA12605  Collomia grandiflora C. B. Wolf 1934-7-6 5980 Siskiyou 1/4 mi. east of Mt. Shasta City. S.W. slope of Mt. Shasta. Comment
  UC201122  Collomia grandiflora Dr. E. B. Copeland 1903-8-12 3932 Siskiyou Sisson Comment
  RSA238791  Collomia grandiflora Frederick W. Oettinger 1969-7-27 1078 Siskiyou northwest of Little English Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1890 Comment
  SBBG36715  Collomia grandiflora D. H. Wilken with C. Donahue 1976-7-17 12709 Siskiyou 3.3 mi SE of Forks of Salmon along rd to Cecilville 396 Comment
  HSC45975  Collomia tinctoria J. P. Smith, Steve Selva 1970-6-15 3954 Siskiyou 20 mi. E of Cecilville on the road to Callahan. 1646 Comment
  HSC58935  Collomia tinctoria Marvin Butler 1971-7-7 48 Siskiyou Near El Capitan Lake, close to the town of Cave Junction 1524 Comment
  HSC30629  Collomia tinctoria Frederick W. Oettinger 1968-8-18 576 Siskiyou Marble Mtn. Wilderness area, slope in draw below Tobacco Lake 1890 Comment
  UC902031  Collomia tracyi Joseph P. Tracy 1949-9-18 18558 Siskiyou on road between Cecilville and Sawyer's Bar; Blue Ridge 1584 Comment
  SBBG25943  Convolvulus arvensis D. Myrick 1966-8-9 1540 Siskiyou Mountain Meadow Ranch, Big Flat 1524 Comment
  JEPS87635  Conyza canadensis Vernon H. Oswald and Lowell Ahart 1994-8-10 6452 Siskiyou Pilgrim Creek Rd (FS13) at creek Mud Creek (2.7 mi n of Hwy 89, ca 4.5 air mi ne of McCloud) 1097 Comment
  RSA50136  Corallorhiza maculata E. K. Balls 1949-7-10 13964 Siskiyou 8.6 miles from Sawyers Bar on the way to Cecilville. 762 Comment
  JEPS96838  Corallorhiza striata Dean W. Taylor 1972-7-3 1588 Siskiyou Cook and Green Pass 1066 Comment
  CHSC110173  Cordylanthus tenuis subsp. pallescens Barbara L. Wilson; Richard E. Brainerd 2010-8-9 16280 Siskiyou Road to trailhead for Black Butte Trail. (Study site 25). 1353 Comment
  CHSC70054  Cordylanthus tenuis subsp. pallescens T. I. Chuang; L. R. Heckard 1969-8-21 6741 Siskiyou Southwest of Black Butte, northwest of Mt. Shasta city. 1066 Comment
  HSC92118  Cordylanthus tenuis subsp. pallescens T. I. Chuang, L. R. Heckard 1969-8-21 6741 Siskiyou Southwest of Black Butte, NW of Mount Shasta City 1067 Comment
  JEPS85956  Cordylanthus tenuis subsp. pallescens Don Burk 1990-4-1 DB 17 Siskiyou just s Weed Elementary School (s side of Hilltop Dr, less than 0.1 mi e of S. Davis Ave.); Weed NW Quadrangle 1072 Comment
  JEPS86235  Cordylanthus tenuis subsp. viscidus L. R. Heckard 1979-8-28 5160 Siskiyou 1 mi s of downtown Dunsmuir (below Hwy 5) 822 Comment
  LA209041  Cordylanthus tenuis subsp. viscidus Rimo Bacigalupi; 1954-8-12 4790 Siskiyou In serpentine, 5.1 mi below (and SE of) summit of the road between Takilma, Ore. and Happy Camp Calif.- Klamath National Forest, Siskiyou Mountains; drainage of the West Branch of Indian Creek 914 Comment
  CAS-BOT-BC212275  Cornus glabrata Louis C. Wheeler 1934-7-16 2909 Siskiyou Oak Knoll Ranger Station, Klamath R. 670 Comment
  CAS-BOT-BC212053  Cornus nuttallii J. H. Thomas 1954-5-13 4134 Siskiyou Near South Fork of Salmon River, 5 to 9 miles southeast of Cecilville, vicinity of Blind Horse Creek, Salmon Mountains, Klamath National Forest 1066 Comment
  UC875888  Cornus nuttallii Alice Eastwood 1912-9-4 2095 Siskiyou Sisson Comment
  CAS-BOT-BC210395  Cornus sericea Doris K. Kildale 1929-7-20 8747 Siskiyou Elk Lick, south fork Indian Creek 1219 Comment
  UC922399  Cornus sericea subsp. sericea Annie M. Alexander and Louise Kellogg 1949-7-24 5867 Siskiyou trail to Bear Lake; Marble Mts., Paradise Lake 1920 Comment
  UC375260  Corylus californica Geo. D. Butler 1908-7-12 1073 Siskiyou near Yreka Comment
  SACT002823  Corylus rostrata var. californica G. Kimber 1934-6-9 Siskiyou 1/8 mile above junction with Sacramento River Comment
  HSC101718  Crataegus gaylussacia J. P. Smith, J. O. Sawyer 2011-6-25 13275 Siskiyou Along Sugar Creek Rd. 1214 Comment
  CAS-BOT-BC290476  Crepis acuminata John Thomas Howell 1937-7-22 13331 Siskiyou South Fork of Salmon River near Big Flat 1524 Comment
  CAS-BOT-BC290836  Crepis occidentalis subsp. pumila Alice Eastwood 1912-7-17 1188 Siskiyou Sisson Comment
  HSC61805  Crepis pleurocarpa Ruby Van Deventer 1959-7-9 Siskiyou Poker Flat 1585 Comment
  HSC92417  Crepis pleurocarpa Jennifer Whipple 1976-7-24 1553 Siskiyou Mt. Eddy, SW of Dobkins Lake 2256 Comment
  CAS-BOT-BC290864  Crepis pleurocarpa David D. Keck 1938-8-6 4812 Siskiyou At Del Norte Co. line, Poker Flat, summit of Siskiyou Mts., 4 mi. S. of Oregon line, on road from Waldo to Happy Camp 1555 Comment
  UC165390  Crepis pleurocarpa Geo. D. Butler 1910-7-12 1758 Siskiyou Shacckleford Creek 1371 Comment
  HSC63065  Crocidium multicaule David Wheeler 1979-4-8 34 Siskiyou N facing slope Comment
  HSC19011  Cryptantha affinis J. O. Sawyer 1969-7-9 1209 Siskiyou Near C.C.C. road, N of Sugar Creek 1433 Comment
  UC164153  Cryptantha flaccida Geo. D. Butler 1909-5-10 734 Siskiyou near Yreka Comment
  RSA46762  Cryptantha intermedia L. S. Rose 1945-6-18 45089 Siskiyou Horse Creek and Klamath River. 503 Comment
  UC78652  Cryptantha rostellata Thomas Howell May 1889 Siskiyou Hornbrook Comment
  UCD120091  Cryptantha sobolifera A. H. Murphy 1959-7-22 59 K Siskiyou Trinity-Siskiyou County, Shasta National Forest, summit between Bear Creek and Toad Lake. 2346 Comment
  JEPS89017  Cryptantha torreyana Geo. D. Butler 733 Siskiyou near Yreka Comment
  POM72150  Cryptantha torreyana Geo. D. Butler 1909-5-30 762 Siskiyou Near Yreka. Comment
  HSC68537  Cryptogramma acrostichoides Maralyn A. Renner 1980-6-25 1102 Siskiyou Little South Fork Indian Creek, W Fork 1220 Comment
  HSC92769  Cryptogramma acrostichoides Jennifer Whipple 1976-7-23 1520 Siskiyou Dale Cr. drainage, N face of Mt. Eddy 2317 Comment
  CAS-BOT-BC70534  Cryptogramma cascadensis W. B. C. 1938-8-18 11502 Siskiyou Lower Horse Camp Slopes above Horse Camp 2514 Comment
  CAS-BOT-BC80544  Cupressus bakeri O. V. Matthews 1939-7-18 37 Siskiyou Northeast [Goose Nest] Goosenest. East of Yreka 1828 Comment
  CAS-BOT-BC80557  Cupressus bakeri C. O. Stone 1964-6-20 290 Siskiyou unspecified 1085 Comment
  CAS-BOT-BC85601  Cupressus bakeri Oliver V. Matthews 1939-7-18 37 Siskiyou N.E. Goose Nest Grove-Goose Nest Region 1828 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
  UC1045272  Cycladenia humilis var. humilis unknown 1940-6-7 15109 Siskiyou along Pacific Hwy. near Black Butte Comment
  UC164154  Cynoglossum occidentale Geo. D. Butler 1910-6-4 1497 Siskiyou Shackelford Creek Comment
  CHSC96784  Cynoglossum officinale T. C. Fuller 1968-8-1 17453 Siskiyou In fencerow and adj. pasture, w. side of rd. to McCloud Reservoir, 0.3 mi. s. of McCloud, Siskiyou Co. Comment
  JEPS45923  Cyperus bipartitus Louis C. Wheeler 1934-8-31 3229 Siskiyou W. Fork Beaver Creek, Lund Ranch Siskiyou Mts., W. Fork Beaver Creek, Lund Ranch 1066 Comment
  UC1408835  Cystopteris fragilis Frederick W. Oettinger 1969-7-9 944 Siskiyou nw of Upper English Lake; Salmon Mts, High Lake Basins, English Peak vicinity, Marble 1798 Comment
  RSA237513  Cystopteris fragilis Frederick W. Oettinger 1969-7-11 984 Siskiyou Near summit of Little Medicine Mountain (north of Hancock Lake). Salmon Mtns. High Lake Basin in the vicinity of English Peak. Marble Mountain Wilderness Area. 2104 Comment
  RSA184775  Dactylis glomerata Gilbert Muth 1966-8-1 489 Siskiyou Marble Valley Horse Pasture, Marble Mountains. 1793 Comment
  RSA603759  Dactylis glomerata L. C. Wheeler 1935-6-30 3626 Siskiyou 3 mi. S [of] Yreka; dry roadside ditch 854 Comment
  HSC30518  Danthonia unispicata Frederick W. Oettinger 1969-8-24 1522 Siskiyou Marble Mountain Wilderness: Salmon Mountains, in the vicinity of English Peak, inlet to Upper English Lake. 1799 Comment
  RSA593953  Darlingtonia californica Louis C. Wheeler 1963-8-29 8303 Siskiyou Siskiyou Mountains. Head of west fork Clear Creek. 1433 Comment
  UC11158  Darlingtonia californica Geological Survey 1862-1 1356 Siskiyou near streams Mt Shasta Comment
  UCD119063  Darlingtonia californica Ray F. Evert 1957-9-2 s.n. Siskiyou Along U.S. Highway 99, south of Dunsmuir. Comment
  RSA698848  Darlingtonia californica Leo Miller 1938-06 s.n. Siskiyou Siskiyou Mountains [Siskiyou or Del Norte counties]. 854 Comment
  CAS-BOT-BC420663  Darmera peltata Nora Pettibone 1894-8-8 s.n. Siskiyou Upper Soda Springs Comment
  HSC61163  Dasiphora fruticosa Al Hobart 1967-8-8 Siskiyou El Capitan 1829 Comment
  UCR142704  Datura stramonium L. C. Wheeler 1934-10-13 3319 Siskiyou Siskiyou Mountains, Klamath River near Skunk Gulch 610 Comment
  CHSC1457  Delphinium M. Yoder 1941-7-19 Siskiyou Castle Lake. 1981 Comment
  UC1191432  Delphinium Herbert L. Mason 1948-7-18 13626 Siskiyou Grass Lake Comment
  CDA24230  Delphinium andersonii Vernon H. Oswald & Lowell Ahart 1998-6-11 9227 Siskiyou Butte Valley National Grassland near the junction of Meiss Lake-Sams Neck Road and Highway 97, ca. 5 miles north of Macdoel. Comment
  JEPS43421  Delphinium andersonii Geo. D. Butler 1909-4-14 642 Siskiyou near Yreka Comment
  JEPS80529  Delphinium decorum subsp. tracyi Gilbert Muth 1966-7-17 407 Siskiyou Trail to Lookout, Marble Mt. Wilderness Area 1859 Comment
  HSC34212  Delphinium glaucum J. P. Smith, J. O. Sawyer 1973-8-14 7315 Siskiyou Around Cliff Lake 1860 Comment
  HSC92136  Delphinium glaucum Jennifer Whipple 1976-9-4 1797 Siskiyou Dale Creek drainage on the N face of Mt. Eddy 2195 Comment
  HSC27303  Delphinium nuttallianum J. P. Smith, J. O. Sawyer, Maralyn O'Meara 1972-7-3 5695 Siskiyou E slope of Kangaroo Mtn., above Toehead Lake. 1890 Comment
  HSC28664  Delphinium nuttallianum Frederick W. Oettinger 1969-7-18 1054 Siskiyou Marble Mtn. Wilderness Area, SW of Upper English Lake 1951 Comment
  RSA120770  Delphinium nuttallianum S. S. Tillett 1956-7-9 651 Siskiyou E side of Scott Mtn; Siskiyou Trinity County line; 8 miles SE of Callahan. 1890 Comment
  UC54272  Delphinium nuttallianum H. M. Hall and E. B. Babcock June 1903 4124 Siskiyou near head of McCloud River (se Siskiyou Co.); Sierra Nevada Mountains 1524 Comment
  RSA238282  Delphinium nuttallianum Frederick W. Oettinger 1969-7-18 1054 a Siskiyou SW of upper English Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1951 Comment
  HSC26573  Deschampsia cespitosa J. P. Smith 1972-8-17 5746 Siskiyou Medicine Lake 2012 Comment
  UCD61220  Deschampsia cespitosa Arthur Menzies 1962-7-21 Siskiyou Morgan Meadows, base of Mt. Eddy. 1706 Comment
  CAS-BOT-BC192465  Deschampsia cespitosa subsp. cespitosa L. P. Janeway 1983-8-26 601 Siskiyou Siskiyou Mountains; at Poker Flat 1524 Comment
  CHSC60569  Deschampsia cespitosa subsp. cespitosa L. P. Janeway 1983-8-26 601 Siskiyou Siskiyou Mountains; at Poker Flat, upper part of the meadow. 1524 Comment
  RSA415968  Deschampsia cespitosa subsp. cespitosa M. B. Dunkle 1945-7-24 9265 Siskiyou Klamath National Forest, Marble Mts. Comment
  CAS-BOT-BC192460  Deschampsia cespitosa subsp. cespitosa Saxton; Canfield 1922-8-3 80 Siskiyou Klamath National Forest. Thompson Creek Comment
  HSC27304  Deschampsia elongata J. P. Smith, J. O. Sawyer, Maralyn O'Meara 1972-7-3 5694 Siskiyou E slope of Kangaroo Mtn., above Toehead Lake. 1890 Comment
  JEPS25655  Deschampsia elongata Rimo Bacigalupi with Mr. and Mrs. Van Deventer 1959-7-10 7298 Siskiyou ca. 4 mi. n.-n.e. Preston Peak (just e. of Del Norte Co. line); Siskiyou Mts., Twin Valley, Indian Creek watershed 1493 Comment
  RSA238399  Deschampsia elongata Frederick W. Oettinger 1969-8-22 1502 Siskiyou South side of Horse's Hole near Horse Range Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1860 Comment
  UC1265420  Deschampsia elongata Frederick W. Oettinger and R. W. Thorne 1969-8-5 1190 Siskiyou n.w. side English Lake; Salmon Mts, High Lake Basins, English Peak vicinity, Marble 1950 Comment
  SEINET7063125  Descurainia incisa subsp. filipes A. G. Vestal 1963-6-1 s.n. Siskiyou North of Big Springs [Mayten] on the Mayten Road. UTM Zone 10, 549674mE, 4605677mN. (WGS84/NAD83). 224 Comment
  HSC77112  Descurainia incisa subsp. incisa K. T. Stillman 1976-7-30 341 Siskiyou Marble Mtn. Wilderness Area, Elk Valley. Comment
  CAS-BOT-BC43268  Descurainia pinnata subsp. glabra George Dexter Butler 1909-1-12 895 Siskiyou McAdams Creek. Comment
  UC909337  Descurainia sophia Ira L. Wiggins 1950-5-27 12353 Siskiyou Callahan Ranger Station Scott River (banks of e fork of Scott River) 975 Comment
  CAS-BOT-BC43526  Descurainia sophia Alice Eastwood 1912-7-16 1135 Siskiyou McCloud. Comment
  HSC24704  Dicentra formosa J. O. Sawyer 1969-7-24 1493 Siskiyou SW of Sugar Lake 1890 Comment
  HSC67514  Dicentra formosa J. P. Smith 1973-5-5 6480 Siskiyou Along Cook and Green Pass Rd. Comment
  CAS-BOT-BC402473  Dicentra formosa subsp. formosa Lewis S. Rose 1925-7-27 s.n. Siskiyou Shasta Springs Comment
  CAS-BOT-BC402476  Dicentra formosa subsp. formosa L. E. Smith 1912-7-1 s.n. Siskiyou Between Castella & Dunsmuir railroad track Comment
  HSC62080  Dicentra pauciflora Ruby Van Deventer 18 Jun [year missing] Siskiyou Raspberry Lake, 2 mi. W of Copper Mtn. Comment
  CAS-BOT-BC500904  Dichelostemma capitatum Mrs. H. C. Cantelow 1936-5-21 1329 Siskiyou North slope Scott Mountain above Callahan 1127 Comment
  CAS-BOT-BC291007  Dieteria canescens var. shastensis L. E. Smith 1915-8-1 s.n. Siskiyou Bray Comment
  CAS-BOT-BC291018  Dieteria canescens var. shastensis Wm. Bridge Cooke 1938-8-21 11536 Siskiyou Mount Shasta. Horse Camp flats Comment
  CHSC99210  Dieteria canescens var. shastensis L. P. Janeway; B. Castro 2007-7-28 9126 Siskiyou High Cascade Range. Medicine Lake Highlands; west side of Arnica Sink about 6.5 km west of Glass Mountain. 2042 Comment
  UC223704  Dieteria canescens var. shastensis Elmer I. Applegate 1923-8-20 3900 Siskiyou Medicine Lake Comment
  CAS-BOT-BC290995  Dieteria canescens var. shastensis J. W. Congdon 1900-8-12 s.n. Siskiyou Foot Mt. Shasta Comment
  CDA41641  Digitalis purpurea G. F. Hrusa 1998-7-5 14691 Siskiyou Siskiyou Mountains; Cedar Camp Rd. +- 5 mi. E of Weitchpec on Hwy 96. N side of Hwy. at mile 5.x. Sheet 2 of 2 Comment
  CAS-BOT-BC153654  Diplacus jepsonii A. A. Heller 1922-7-14 13682 Siskiyou About 12 miles north of Bartle Comment
  CHSC1777  Diplacus layneae M. Yoder 1941-7-12 Siskiyou Castle Lake. 1981 Comment
  CHSC29778  Dodecatheon alpinum M. S. Taylor; W. Roderick, B. Williams 1980-6-4 2785 Siskiyou Bog around Cedar lake, peat mounds at lake edge. 1737 Comment
  RSA238740  Dodecatheon alpinum Frederick W. Oettinger 1968-8-13 502 Siskiyou Open wet meadow at Hancock Lake inlet; Red Fir Forest. Cold snow melt brook flows into the lake here. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1936 Comment
  UC1053435  Dodecatheon hendersonii Rimo Bacigalupi, Arthur Holmgren 1950-4-24 3139 Siskiyou opposite town Dunsmuir (on e side of canyon, Cliffs along Sacramento River); along Sacramento River, opposite Dunsmuir Comment
  HSC32161  Dodecatheon jeffreyi J. O. Sawyer 1970-6-17 2203 Siskiyou Little Duck Lake Creek 2012 Comment
  HSC32293  Dodecatheon jeffreyi J. O. Sawyer 1971-6-29 2395 Siskiyou Elk Hole 1524 Comment
  CHSC71477  Downingia bacigalupii Vernon H. Oswald; Lowell Ahart 1998-7-21 9363 Siskiyou Between Weed and Macdoel on Hwy. 97 0.9 mi southwest of Tennant Rd. In a roadside meadow. 1188 Comment
  UC1520669  Downingia bacigalupii Noel H. Holmgren and Patricia K. Holmgren 1980-7-1 9449 Siskiyou 13.3 mi ssw Macdoel (U.S. Highway 97) Comment
  SEINET12329645  Downingia bacigalupii N. H. Holmgren, Holmgren, P. K. 1980-1 9449 Siskiyou U. S. Highway 97, 21.4 km (13.3 mi.) south-southwest of Macdoel, T44N, R2W, S9 1520 Comment
  UC173898 Image available Draba pterosperma Geo. D. Butler 1910-7-10 1716 Siskiyou Marble Mountain 1676 Comment
  CDA24828  Draba verna G. D. Barbe, J. T. Howell, T. C. Fuller 1980-4-29 2598 Siskiyou Between restaurant and motel properties, Old Highway 99, south edge of Yreka. Comment
  UC1023735  Drosera rotundifolia W. Bridge Cooke 1941-8-8 16164 Siskiyou Wagon Camp swamp Mount Shasta 1737 Comment
  UC1045245  Drosera rotundifolia W. Bridge Cooke 1940-7-5 15269 Siskiyou Wagon Camp Mount Shasta (sedge swamp) Comment
  HSC61164  Drymocallis lactea var. lactea Al Hobart 1967-8-8 Siskiyou El Capitan Comment
  CAS-BOT-BC159285  Drymocallis lactea var. lactea A. A. Heller 1922-7-14 13685 Siskiyou At the base of Little Huffman Mountain 2133 Comment
  UCD77958  Drymocallis pseudorupestris Robert E. Preston 2001-7-21 1716 Siskiyou Klamath National Forest, north slope of Rainbow Mountain, T42N R1W ne 1/4 Section 22 2072 Comment
  HSC90741  Drymocallis pseudorupestris var. pseudorupestris Jennifer Whipple 1976-6-17 1034 Siskiyou W facing slope of ridge between Durney Lake and Little Crater Lake 2409 Comment
  UC154519  Drymocallis rhomboidea Harley P. Chandler June, 1901 1680 Siskiyou Marble Mountain North Coast Ranges, Marble Mountain 2438 Comment
  CAS-BOT-BC112979  Eleocharis macrostachya David Daniels Keck 1949-7-20 6370 Siskiyou Scott Valley, 6 mi N of Callahan. 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
  RSA29740  Elymus elymoides L. C. Wheeler 1934-8-6 3057 Siskiyou Siskiyou Mts.; Rock Gulch off Jaynes Canyon; Mt. Diablo Mer. 1829 Comment
  HSC42161  Elymus elymoides var. californicus R. J. Mastrogiuseppe, J. D. Mastrogiuseppe 1974-9-2 171 Siskiyou W slope of ridge of Red Rock Mtn. 2134 Comment
  RSA239025  Elymus glaucus Frederick W. Oettinger 1969-8-16 1391 Siskiyou Edge of talus southwest of Wire Grass Meadow above English Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1677 Comment
  CAS-BOT-BC206600  Elymus glaucus subsp. glaucus Wm. Bridge Cooke; V. G. Cooke 1966-7-17 37252 Siskiyou Widow Springs, Mt. Shasta 1524 Comment
  HSC22166  Elymus glaucus subsp. glaucus J. O. Sawyer 1969-8-1 1646 Siskiyou SE facing slope above Duck Lake Creek 1951 Comment
  UCD61287  Elymus lanceolatus H. S. Yates 1936-6-21 5821 Siskiyou 1 mile SE of Gazelle. 792 Comment
  HSC103013  Elymus multisetus J. P. Smith 2014-6-6 13870 Siskiyou Roadside along State Route 96 at access to the Klamath River 306 Comment
  HSC39665  Elymus multisetus J. P. Smith, J. O. Sawyer, Maralyn O'Meara 1972-7-4 5734 Siskiyou Parrott Mill Rd, 2 mi. S of Sugar Creek 1341 Comment
  HSC75113  Elymus spicatus J. P. Smith, Thomas W. Nelson 1979-6-15 10123 Siskiyou Klamath National Forest, road to Carmen Lake, 0.6 mi. from its junction with Hwy. 3 1646 Comment
  HSC9739  Elymus triticoides L. C. Wheeler 1934-9-22 3293 Siskiyou Walker, Klamath River 518 Comment
  RSA105333  Epilobium angustifolium subsp. circumvagum Douglas Barbe 1955-7-5 105 Siskiyou 5 miles north of Etna on Greenview Road; east side of road 884 Comment
  RSA237654  Epilobium angustifolium subsp. circumvagum Frederick W. Oettinger 1967-8-21 314 Siskiyou Northwest of Pine Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1878 Comment
  HSC16333  Epilobium brachycarpum D. M. Thomson 1965-7-31 159 Siskiyou Lava Beds National Monument, 1 mi. S of dump on telephone line road Comment
  HSC26926  Epilobium brachycarpum J. P. Smith, J. O. Sawyer 1971-9-18 4849 Siskiyou 2 mi. W of the junction of Hwy. 3 and Rd. 8, N of Callahan. 1037 Comment
  SDSU8792  Epilobium brachycarpum D. F. Howe 1969-8-31 4674 Siskiyou 7 miles north of Weed on road to Yreka. 1006 Comment
  RSA15686  Epilobium brachycarpum Carl B. Wolf 1927-8-26 1066 Siskiyou Klamath River; 8 miles above Hamburg. Comment
  CHSC114077  Epilobium ciliatum Kendra Sikes 2011-8-23 FC 1 -1 Siskiyou Headwaters of Fawn Creek, east slope of the Eddys; UTM Zone 10N, 541673E, 4564801N. 1850 Comment
  POM171587  Epilobium ciliatum subsp. ciliatum Doris K. Kildale 1928-8-18 6479 Siskiyou Near head of north fork of Salmon River at English Lake 1524 Comment
  UC1190252  Epilobium glaberrimum subsp. glaberrimum Ira L. Wiggins 1955-7-22 13452 Siskiyou 9.5 mi above Cecilville; S. Fork of Salmon R 1066 Comment
  RSA264966  Epilobium hallianum Gilbert Muth 1975-7-30 s.n. Siskiyou Near Lily Pad Lake near Seiad Valley. 1585 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
  UC1408917  Epilobium hallianum Frederick W. Oettinger 1969-8-19 1466 Siskiyou between King David Mt. and Abbots (margin of meadow); Salmon Mountains, Marble Mountain Wilderness Area 1859 Comment
  HSC29141  Epilobium hornemannii subsp. hornemannii Frederick W. Oettinger 1968-8-10 463 Siskiyou Salmon Mtns., stream inlet into Hancock Lake 1890 Comment
  HSC92791  Epilobium hornemannii subsp. hornemannii Jennifer Whipple 1976-7-8 1336 Siskiyou N slopes of Mount Eddy 2439 Comment
  POM251088  Epilobium hornemannii subsp. hornemannii W. Bridge Cooke 1938-8-18 11479 Siskiyou Mt. Shasta. 2439 Comment
  UC1540005  Epilobium minutum M. Mitchell 1936-5-22 52 Siskiyou Black Crater Lava Beds National Monument 1356 Comment
  UC164471  Epilobium minutum Geo. D. Butler 1909-6-13 927 Siskiyou Moffitt Creek Comment
  RSA120896  Epilobium minutum Milo S. Baker 1957-6-16 13157 Siskiyou Trip to Scott Mt. from turn off near Callahan, 5-6 mi. from turn off. Comment
  UCD106507  Epilobium minutum James P. Smith 1973-5-5 6521 Siskiyou Scott Bar, along the Scott River. Comment
  HSC29173  Epilobium oregonense Frederick W. Oettinger 1968-9-7 758 Siskiyou Marble Mtn. Wilderness Area, around Tobacco Lake 1890 Comment
  CAS-BOT-BC171860  Epilobium septentrionale C. G. Pringle 1881-8-19 s.n. Siskiyou Mountains about the head waters of the Sacramento River 2438 Comment
  HSC92071  Epilobium siskiyouense Jennifer Whipple 1976-6-15 1487 Siskiyou S face of Mount Eddy, draining into the N Fork of the Sacramento River 2378 Comment
  JEPS39224  Epilobium siskiyouense Geo. D. Butler 1910-7-9 1722 Siskiyou Wooly Creek 1676 Comment
  SEINET12195418  Epilobium siskiyouense Unknown 1986-1 60353 Siskiyou SW of Cook and Green Pass, NE slopes of Kangaroo Mt., upper slopes of Hello C[an]y[o]n 1829 Comment
  HSC73294  Equisetum arvense Gail Newton 1980-6-20 516 Siskiyou Near Bald Mtn. 1097 Comment
  UC637177  Equisetum telmateia subsp. braunii Edward Lee 1934-8-11 1036 Siskiyou e end Seiad Valley (Walker Creek - a tributary of the Klamath River) 609 Comment
  CAS-BOT-BC168849  Eremogone congesta var. congesta Edna Kelsey 1961-8-1 s.n. Siskiyou Shackleford Trail below Bull Meadow, Marble Mts. Comment
  CAS-BOT-BC174232  Eremogone congesta var. congesta Louis C. Wheeler 1934-8-2 3023 Siskiyou Klamath National Forest. Jaynes Canyon 2072 Comment
  CHSC96600  Eremogone congesta var. crassula L. P. Janeway 2006-7-2 8731 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
  HSC26574  Ericameria bloomeri J. P. Smith 1972-8-17 5747 Siskiyou Medicine Lake 2012 Comment
  JEPS31333  Ericameria bloomeri Willis L. Jepson 1894-8-4 Siskiyou sw slope Mt. Shasta (Neil's Camp); Region of the Upper Sacramento, Mt. Shasta Comment
  UC630401  Ericameria bloomeri Annetta Carter 1939-8-21 1475 Siskiyou near crest of peak above se end of Taylor Lake (12 mi sw of Etna); Salmon Mountains 2286 Comment
  HSC92593  Ericameria greenei Jennifer Whipple 1976-9-3 1786 Siskiyou W-facing slope of the ridge between Durney Lake and Little Crater Lake 2195 Comment
  JEPS97193  Ericameria greenei Julie Kierstead Nelson with Maria Ulloa-Cruz 1995-8-22 95033 Siskiyou 1 1/2 mi W of The Eddys (on Parks Creek Road (Rd. 17); W slope of Parks Creek drainage); Shasta-Trinity National Forests, Mt. Shasta Ranger District 1737 Comment
  UC1408923  Ericameria greenei Frederick W. Oettinger 1968-8-19 584 Siskiyou meadows at Gap Salmon Mountains, Marble Mountain Wilderness Area, English P (w Siskiyou County) 2133 Comment
  JEPS117569  Ericameria nauseosa var. oreophila 2010-7-30 16970 Siskiyou Shasta Big Springs Ranch, 2.6 air miles northwest of Big Springs Lake, 3.9 air miles southeast of Grenada, 6.3 air miles northeast of Dwinnel Dam. 779 Comment
  UC165410  Ericameria nauseosa var. oreophila Geo. D. Butler 1910-8-15 1839 Siskiyou Shasta Valley Comment
  CAS-BOT-BC298248  Ericameria nauseosa var. oreophila A. A. Heller 1917-9-7 12978 Siskiyou Shasta Valley 2 miles S of Grenada 914 Comment
  CAS-BOT-BC294307  Ericameria nauseosa var. speciosa Alice Eastwood 1917-9-2 6661 Siskiyou Shasta Springs Comment
  CAS-BOT-BC299465  Ericameria nauseosa var. speciosa Louis C. Wheeler 1934-8-26 3223 Siskiyou Trapper Cr., Klamath National Forest 1859 Comment
  JEPS16963  Ericameria nauseosa var. speciosa Peter H. Raven 1956-9-5 10464 Siskiyou North Fork of the Sacramento River 1828 Comment
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  UC165409  Ericameria nauseosa var. speciosa Geo. D. Butler 1910-8-7 1824 Siskiyou Yreka Comment
  CAS-BOT-BC293377  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
  CHSC99715  Erigeron aliceae L. P. Janeway 2008-7-24 9485 Siskiyou Klamath Ranges. Siskiyou Mountains; crest of the mountain 1.3 air km east of Condrey Mountain. 2050 Comment
  JEPS81787  Erigeron aliceae Rimo Bacigalupi with Drs. Reino and Aloha Alava 1958-9-3 6894 Siskiyou Poker Flat Siskiyou Mountains 1536 Comment
  OBI80253  Erigeron aliceae David J. Keil, Kathleen Keil 1990-7-28 s.n. Siskiyou Marble Mountains. Klamath National Forest. Rye Patch Creek Trail. 1700 Comment
  JEPS84326  Erigeron aliceae L. R. Heckard with J. Hickman et al. 1986-7-17 6478 Siskiyou ca 5 mi n of the town Seiad Valley (above and w of Lily Pad Lake) Comment
  RSA238730  Erigeron aliceae Frederick W. Oettinger, R. F. Thorne 1969-8-4 1185 Siskiyou North side of Tobacco Lake. Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1890 Comment
  RSA50187  Erigeron bloomeri E. K. Balls 1949-7-8 13917 Siskiyou Trail from Scott Mt. Camp to Carmen Lake, Scott Mt. 1753 Comment
  HSC75497  Erigeron bloomeri var. bloomeri K. T. Stillman 1976-8-7 375 Siskiyou Marble Mtn. Wilderness Area, Box Camp Mtn. 2195 Comment
  JEPS105053  Erigeron cervinus Dean W. Taylor 1996-7-7 15803 Siskiyou Salmon Mountains; Ruffey Lakes (about 8 air miles southwest of Etna), in cirque above the upper lake; Klamath National Forest 2072 Comment
  CAS-BOT-BC297109  Erigeron compositus Edward Stuhl 1928-8-6 s.n. Siskiyou Horse Camp, Mount Shasta 2438 Comment
  CHSC36145  Erigeron compositus K. Bridwell 1978-4-15 93 Siskiyou Cliff ca. 400 yds n of Copco Rd, ca. 20 mi ne of Hornbrook. 762 Comment
  HSC46718  Erigeron compositus William J. Ferlatte 1976-9-22 1859 Siskiyou Dorleska summit 2134 Comment
  NY168441  Erigeron copelandii E. B. Copeland 09 1903 s.n. Siskiyou Mt. Eddy 1249.7 Comment
  CAS-BOT-BC300471  Erigeron filifolius J. William Thompson 1936-7-8 13157 Siskiyou Lava Beds Nat. Monument Comment
  CAS-BOT-BC300472  Erigeron filifolius Edwin B. Copeland 1903-9-8 s.n. Siskiyou Foot of Mt. Eddy 1219 Comment
  CAS-BOT-BC296128  Erigeron foliosus var. confinis Doris K. Kildale 1929-8-24 9029 Siskiyou Rattlesnake Meadow, Preston Peak 1676 Comment
  HSC19467  Erigeron glacialis var. glacialis J. O. Sawyer 1969-7-24 1488 Siskiyou NE facing seep SW of Sugar Lake 1890 Comment
  HSC19477  Erigeron glacialis var. glacialis J. O. Sawyer 1969-9-12 2013 Siskiyou Hanging valley N of Wildcat Peak 2012 Comment
  CAS-BOT-BC295397  Erigeron inornatus Annetta Carter 1939-8-21 1474 Siskiyou Near crest of peak above southeast end of Taylor Lake, 12 miles southwest of Etna, Salmon Mountains 2286 Comment
  SBBG21933  Erigeron inornatus D. Myrick 1964-7-25 971 Siskiyou Panther Meadows below Ski Bowl Lodge, Mt Shasta 2346 Comment
  CHSC105875  Erigeron inornatus var. inornatus J. K. Nelson; Eric White, Rhonda Posey, M. E. Colberg, S. Flamm 2010-8-9 2010 -028 Siskiyou East slope of Mount Eddy, headwaters of Wagon Creek. 2011 Comment
  JEPS41438  Erigeron inornatus var. inornatus Willis L. Jepson Jul 24 1894-Aug 10 1894 - 0 Siskiyou Sisson Comment
  OBI55539  Erigeron inornatus var. inornatus David J. Keil, Kathleen Keil 1992-7-24 23565 Siskiyou E of McCloud along hwy 89, 22.6 mi W of Shasta County line 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
  HSC43037  Erigeron klamathensis J. O. Sawyer, Ken Stillman 1976-7-2 2810 Siskiyou Slopes and ridges E of Little N Fork Trail. 732 Comment
  CAS-BOT-BC300095  Erigeron philadelphicus L. B. Kildale 1930-5-31 9806 Siskiyou Island in Klamath River near Hornbrook Comment
  RSA12509  Erigeron philadelphicus C. B. Wolf 1934-7-4 5927 Siskiyou 0.7 mi. below mouth of Dillon Creek, Klamath River. 244 Comment
  UC909473  Erigeron philadelphicus var. philadelphicus J. H. Thomas 1949-6-16 945 Siskiyou 0.25 mi n Beaver Creek Public Camp (5 mi n of junction of Beaver Creek and Klamath River); Klamath National Forest Comment
  POM312495  Erigeron pumilus var. intermedius H. L. Mason 1948-7-18 13609 Siskiyou Grass Lake Comment
  HSC13522  Eriodictyon californicum C. B. Wolf 1927-8-26 1001 Siskiyou Klamath River, 5 mi. below Hornbrook Comment
  UCSB14917  Eriodictyon californicum 1962-6-11 Siskiyou 7.4 miles southwest of Scott Bar 624 Comment
  CAS-BOT-BC248838  Eriogonum compositum var. compositum Doris K. Kildale 1929-7-20 8603 Siskiyou South east spur Preston Peak 1950 Comment
  CAS-BOT-BC248841  Eriogonum compositum var. compositum Edward Lee 1934-8-15 1134 Siskiyou Summit of Happy Camp to Waldo (Oregon) road, Indian Creek watershed, Klamath National Forest 1615 Comment
  JEPS105113  Eriogonum congdonii Dean W. Taylor 1993-7-30 13989 Siskiyou Bolan Lake Road (Forest Road 4812) about 2 miles east of Indian Creek Road (Forest Road 40S07); Klamath National Forest 1584 Comment
  CAS-BOT-BC246490  Eriogonum diclinum John Thomas Howell 1937-7-26 13517 Siskiyou Caribou Basin, Salmon-Trinity Alps 2286 Comment
  HSC19516  Eriogonum diclinum J. O. Sawyer 1969-7-19 1425 Siskiyou SW facing slope above Deacon Lee Trail 2180 Comment
  SEINET6179443  Eriogonum diclinum James L. Reveal, Mark L. Reveal 1975-8-15 3856 Siskiyou Siskiyou Mountains, Klamath National Forest, along the Dry Lake Lookout Road (Forest Service Road 40S01), 0.5 mi W of Dry Lake Lookout near the Buckthorn Trail.; 0 2042 Comment
  CAS-BOT-BC255731  Eriogonum elatum var. elatum Edward Lee 1934-8-14 1096 Siskiyou Near summit of Little Grayback 1828 Comment
  HSC49942  Eriogonum hirtellum G. L. Clifton 1979-8-5 12500 Siskiyou Near Twin Valley 1646 Comment
  HSC58960  Eriogonum lobbii Gilbert Muth 1975-7-31 4439 Siskiyou Near Kangaroo Mtn., close to the town of Seiad Valley 1920 Comment
  CAS-BOT-BC263656  Eriogonum luteolum var. luteolum Geo. D. Butler 1910-6-17 1572 Siskiyou Near Yreka Comment
  CAS-BOT-BC94467  Eriogonum marifolium R. C. Wenk 2005-7-19 328 Siskiyou Along Pacific Crest Trail, near top of pass below Mt. Eddy 2438 Comment
  CHSC98891  Eriogonum marifolium L. P. Janeway; B. Castro 2007-7-29 9143 Siskiyou High Cascade Range. Medicine Lake Highlands; Pumice Stone Mountain, very steep north-facing slope near the top of the northwest-trending shoulder. 2054 Comment
  JEPS56784  Eriogonum marifolium Willis L. Jepson 1894-8-4 Siskiyou Timber line, Mt. Shasta Mt. Shasta Comment
  JEPS87645  Eriogonum marifolium Vernon H. Oswald and Lowell Ahart 1994-8-10 6456 Siskiyou FS 41N01Y ca 1 mi n Pilgrim Creek Rd (FS 13) (ca 11 air mi ne of McCloud); Elk Flat 1243 Comment
  LA206883  Eriogonum marifolium W. B. C. after Stokes; 1939-8-8 13838 Siskiyou Mount Shasta, around Horse Camp 2438 Comment
  UC604097  Eriogonum marifolium W. Bridge Cooke 1938-7-1 11137 Siskiyou Mt. Shasta 1676 Comment
  RSA17737  Eriogonum microtheca var. laxiflorum Elmer I. Applegate 1935-8-3 10018 Siskiyou North base of Caldwell Butte, Lava Beds National Monument 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
  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
  CHSC99701  Eriogonum nudum var. nudum L. P. Janeway 2008-7-24 9490 Siskiyou Klamath Ranges. Siskiyou Mountains; crest of the mountain 1.3 air km east of Condrey Mountain. Open ridgetop. 2050 Comment
  HSC27107  Eriogonum nudum var. nudum Carl W. Mize 1972-6-21 60 Siskiyou 0.25 mi. above rd. on WSW slope 274 Comment
  HSC43402  Eriogonum nudum var. nudum K. T. Stillman 1976-7-30 315 Siskiyou Marble Mountain Wilderness Area, ridge top just N of Black Mt. 2104 Comment
  UC466019  Eriogonum nudum var. nudum H. W. Furlong Sept. 1901 Siskiyou Summit to Ager Comment
  RSA601442  Eriogonum nudum var. oblongifolium Louis C. Wheeler 1935-6-29 3624 Siskiyou Yreka. 808 Comment
  POM316725  Eriogonum nudum var. pubiflorum Patricia Wilder 1965-9-29 4195 Siskiyou Lava Beds National Monument; on path leading to top of Schonchin Butte. Tule Lake drainage area. 1494 Comment
  UCD100723  Eriogonum nudum var. pubiflorum J. M. Tucker 1950-7-25 1953 Siskiyou beside Cold Creek at the Military Road crossing, about 6 miles northwest of Pilgrim Creek Experiment Station, east side of Mt. Shasta. Comment
  UCD105091  Eriogonum nudum var. pubiflorum K. M. Meyer; A. Townesmith 2007-8-4 189 Siskiyou Klamath National Forest, 0.6 mi. on right fork, 6 mi. on rd. 7J001 out of Yreka, CA. (road past the water tower). 1286 Comment
  CAS-BOT-BC272470  Eriogonum nudum var. pubiflorum Gordon H. True 1966-9-9 3294 Siskiyou Klamath River at conf. with Scott River, just east of Hamburg 426 Comment
  CAS-BOT-BC272475  Eriogonum nudum var. pubiflorum Laura M. Lathrop 1908-7-10 s.n. Siskiyou Shasta Retreat Comment
  CAS-BOT-BC272498  Eriogonum nudum var. pubiflorum V. June Wetherell 1961-8-9 491 Siskiyou Lava Beds National Monument Comment
  SD22390  Eriogonum nudum var. pubiflorum Susan G. Stokes 1932-7-14 Siskiyou Near Yreka Comment
  CHSC102612  Eriogonum pyrolifolium L. P. Janeway 2009-8-3 9882 Siskiyou High Cascade Range. Mt. Shasta, east-northeast slope 2.3 air km southwest of Brewer Creek Trailhead; about 0.3 km south of southwest of Brewer Creek Trailhead; about 0.3 km south of Brewer Creek. 2560 Comment
  CAS-BOT-BC252957  Eriogonum pyrolifolium var. pyrolifolium C. G. Pringle 1882-8-30 s.n. Siskiyou Mount Shasta 2743 Comment
  CAS-BOT-BC252960  Eriogonum pyrolifolium var. pyrolifolium Susan Stokes 1938-8-18 11495 Siskiyou Horse Camp Slopes, Mount Shasta 2514 Comment
  HSC49952  Eriogonum siskiyouense G. L. Clifton, Ground 1978-7-2 1752 Siskiyou Near Hayden Cabin 1738 Comment
  RSA17458  Eriogonum sphaerocephalum Elmer I. Applegate 1935-6-5 9339 Siskiyou Capt. Jack's Stronghold, Lava Beds National Monument Comment
  CAS-BOT-BC262763  Eriogonum strictum var. anserinum Geo. D. Butler 1910-5-27 1417 Siskiyou Yreka hills Comment
  JEPS56421  Eriogonum strictum var. proliferum J. G. Lemmon June 1889 Siskiyou near Mt. Eddy Comment
  HSC61799  Eriogonum ternatum Ruby Van Deventer 1938-7-31 Siskiyou Poker Flat 1585 Comment
  CAS-BOT-BC267949  Eriogonum umbellatum Alice Eastwood; John Thomas Howell 1940-6-14 8257 Siskiyou Lava Beds Nat. Mon. near Indian Wells Comment
  CAS-BOT-BC267954  Eriogonum umbellatum Elmer I. Applegate 1935-6-2 9271 Siskiyou Indian Well, Lava Beds National Monument Comment
  SD76184  Eriogonum umbellatum var. argus Helen V. Witham 1969-10-6 554 Siskiyou Dry slope above Kangaroo Lake, Scott Mountains 2400 Comment
  CAS-BOT-BC267973  Eriogonum umbellatum var. argus Doris K. Kildale 1928-7-4 5482 Siskiyou Summit of divide between Salmon River and Scott Valley - Sawyers Valley - Etna Mills Comment
  CAS-BOT-BC268141  Eriogonum umbellatum var. goodmanii James L. Reveal; Darin S. Reveal 1978-8-9 4811 Siskiyou Along the dirt road from near Happy Camp to Baldy Mountain Lookout (USFS # 17N11), 0.5 mile south of the junction of 17N23, near the head of Doolittle Creek 1280 Comment
  CAS-BOT-BC268142  Eriogonum umbellatum var. goodmanii Gilbert Muth 1965-8-10 s.n. Siskiyou Along upper ridges, Marble Valley Comment
  CAS-BOT-BC268155  Eriogonum umbellatum var. humistratum John Thomas Howell 1939-8-8 15169 Siskiyou Black Mt., Marble Mts. 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
  LA207050  Eriogonum umbellatum var. polyanthum Louis C. Wheeler; 1934-6-22 2759 Siskiyou Siskiyou Mountains 914 Comment
  CHSC88553  Eriogonum ursinum var. erubescens James L. Reveal; Julie D. Knorr 2002-8-5 8371 Siskiyou Scott Bar Mountains, n and w slope and ridge of Deadwood Baldy Peak, Klamath National Forest. 1700 Comment
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Sep 19 2011
  SEINET10680303 Image available Eriogonum ursinum var. erubescens James L. Reveal, Julie D. Knorr 2002-8-5 Reveal 8371 Siskiyou Scott Bar Mountains, n and w slope and ridge of Deadwood Baldy Peak, Klamath National Forest, on metasedimentary (chert) soils associated with Ericameria nauseosa var. speciosa (and scattered Pseudotsuga menziesii). T.45N, R8W, secs 6 SE 1/4 of SW 1/4 and 7 NW1/4. 1675 Comment
  JEPS24804  Eriogonum vimineum Rimo Bacigalupi with Drs. Reino and Aloha Alava 1958-9-2 6813 Siskiyou about 3 mi nw Weed (head of Shasta Valley); Shasta Valley 975 Comment
  CAS-BOT-BC262384  Eriogonum vimineum Louis C. Wheeler 1934-6-28 2811 Siskiyou Klamath National Forest. Beaver Creek 701 Comment
  HSC46191  Eriophyllum lanatum Jennifer Whipple 1977-4-30 1878 Siskiyou Scott Valley near Weston Gulch 854 Comment
  HSC92594  Eriophyllum lanatum Jennifer Whipple 1976-7-9 1392 Siskiyou Dale Creek Drainage on the N face of Mt. Eddy 2226 Comment
  JEPS34733  Eriophyllum lanatum var. achilleoides W. L. Jepson 1937-7-23 18460 Siskiyou Yreka Comment
  UC455499  Eriophyllum lanatum var. achilleoides I. J. Condit 1909-8-23 Siskiyou near Sisson; Castle Lake 1981 Comment
  UC507152  Eriophyllum lanatum var. achilleoides Lincoln Constance 1933-7-6 E 120 Siskiyou 5 mi s of Bray Comment
  HSC68416  Eriophyllum lanatum var. grandiflorum Maralyn A. Renner 1980-6-9 838 Siskiyou Ridge SE of FS Rd. 45N35 1341 Comment
  JEPS107394  Eriophyllum lanatum var. grandiflorum Lowell Ahart, John Dittes 2005-6-10 12090 Siskiyou Rocky hillside, north of the rock fence, about 150 yards southeast of the pump house along the Shasta River, about 1.9 miles (air) south of Highway 99/97 Cutoff, about 6 miles (air) east-southeast of Grenada 776 Comment
  RSA47995  Eriophyllum lanatum var. integrifolium Roxana S. Ferris, Laura Lorraine 1948-6-12 11860 Siskiyou 2.4 miles below summit of Gazelle Mt. grade, east side 1418 Comment
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Mar 28 2012
  CAS-BOT-BC301708  Eriophyllum lanatum var. lanceolatum Donald Myrick 1961-6-20 274 Siskiyou Near Mt. Shasta City Comment
  SD53407  Eriophyllum lanatum var. lanceolatum Darley F. Howe 1962-8-5 3396 Siskiyou 15.2 miles east of Happy Camp. 550 Comment
  SJSU6503  Eriophyllum lanatum var. lanceolatum R. W. Trivelpiece 1972-6-18 125 Siskiyou Douglas Cr near Klamath R c. 9 mi SW of Happy Camp 807 Comment
  UC1299256  Eriophyllum lanatum var. lanceolatum Freed W. Hoffman 1950-7-13 3549 Siskiyou Baldy Lookout; w Siskiyou County Comment
  UC1971396  Eriophyllum lanatum var. lanceolatum Louis C. Wheeler 1958-8-18 7399 Siskiyou Mt. View Mine, West Fork Seiad Creek. Comment
  CHSC86455  Erodium cicutarium Jenny Marr 1993-7-1 72 Siskiyou Butte Valley Wildlife Area, +/- 7 air miles NW of the town of MacDoel. Meadow NE of Meiss Lake. 1349 Comment
  HSC64096  Erysimum capitatum var. capitatum J. P. Smith 1973-5-5 6457 Siskiyou Trail to the Siskiyou cypress stand, off the Cook and Green Pass Rd. Comment
  UC1037378  Erysimum perenne Douglas Barbe 1955-7-6 116 Siskiyou along ne shore Taylor Lake; Klamath Mountains, Salmon Mountains 1950 Comment
  SBBG25873  Erythranthe breweri D. Myrick 1966-8-12 1543 Siskiyou Salmon Crk Trail at Mountain Meadow Ranch, Big Flat 1676 Comment
  SD61025  Erythranthe primuloides Darley F. Howe 1964-8-4 Siskiyou Meadow, Medicine Lake, Modoc Nat. Forest 2012 Comment
  UC1083341  Erythronium hendersonii Herbert L. Mason 1931-5-9 5861 a Siskiyou Siskiyou Summit Comment
  CAS-BOT-BC403670  Eschscholzia californica D. M. Traugh 1933-5-31 78 Siskiyou Klamath National Forest Comment
  RSA238773  Eucephalus engelmannii Frederick W. Oettinger 1968-8-16 548 Siskiyou Along trail on NW side of Hancock Lake; Salmon Mountains, Marble Mountain Wilderness Area 1936 Comment
  HSC22125  Eucephalus ledophyllus var. ledophyllus J. O. Sawyer 1969-8-5 1934 Siskiyou N of S Sugar Lake 1890 Comment
  RSA237264  Euonymus occidentalis Frederick W. Oettinger 1967-6-28 131 Siskiyou Kelly Gulch (tributary to Salmon River). The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 616 Comment
  UC163694  Euonymus occidentalis var. occidentalis Geo. D. Butler 1908-8-22 407 Siskiyou Russian Creek, Eldredge's Corral Comment
  UC135418  Eurybia radulina Dr. E. B. Copeland 1903-9-8 3869 Siskiyou foot of Mt. Eddy Mt. Eddy 121 Comment
  SD64374  Euthamia occidentalis Darley F. Howe 1966-8-27 Siskiyou 3.2 miles north of Tule Lake 1310 Comment
  HSC65365  Festuca californica J. P. Smith 1973-5-5 6514 Siskiyou Along Cook and Green Pass Rd. Comment
  POM258966  Festuca idahoensis C. L. Hitchcock, J. S. Martin 1939-7-9 5321 Siskiyou Half mile southeast of King's Castle, Marble Mountains. 1829 Comment
  UC796503  Festuca idahoensis Roxana S. Ferris and Laura Lorraine Jun 12 1948-Jun 16 1948 11797 Siskiyou s of Callahan (Scott Mountain Road) Comment
  UCD66110  Festuca idahoensis Mr. Roseman 1913-1 18 Siskiyou Butte Valley. Comment
  UCSC000033  Festuca idahoensis H. S. Yates 1936-6-21 5826 Siskiyou North base of Wintoon Butte 1219 Comment
  POM198352  Festuca occidentalis Geo D. Butler 1910-7-12 1752 Siskiyou Shackleford Creek. 1220 Comment
  HSC30645  Festuca pratensis Frederick W. Oettinger 1969-8-16 1402 Siskiyou Marble Mtn. Wilderness Area, Wire Grass Meadow above English Lake. 1677 Comment
  JEPS69255  Festuca pratensis Geo. D. Butler 1909-6-28 851 Siskiyou near Yreka Comment
  UC165842  Festuca pratensis Geo. D. Butler 1910-7-4 1636 Siskiyou Goosenest foothills Goosenest 1219 Comment
  HSC32288  Festuca subuliflora J. O. Sawyer 1970-6-17 2206 Siskiyou Dry slopes N of Sugar Lake 1799 Comment
  CHSC118257  Festuca viridula R. E. Brainerd; N. Otting 2013-7-12 2182 Siskiyou Klamath Mountains. Marble Mountains Wilderness Area. Near the outlet at the west end of Upper Wright Lake. UTM Zone 10 493406E 4603724N WGS84. 2255 Comment
  HSC92061  Floerkea proserpinacoides Jennifer Whipple 1976-7-23 1527 Siskiyou Dale Creek drainage on the N face of Mt. Eddy 2195 Comment
  RSA29656  Floerkea proserpinacoides Louis C. Wheeler 1935-6-27 3596 Siskiyou Etna Creek, Marble Mtns. 1524 Comment
  UC859959  Fragaria vesca A. A. Heller 1916-6-20 12406 Siskiyou ne base Mt. Eddy (Metcalf's ranch) 1188 Comment
  CAS-BOT-BC447517  Fragaria virginiana var. platypetala Wm. Bridge Cooke 1939-6-23 13542 Siskiyou Frequent around moist places at the lower end of the upper Wagon Camp meadow 1737 Comment
  CAS-BOT-BC53262  Frangula californica subsp. californica A. A. Heller 1916-7-22 12490 Siskiyou East side of Mt. Eddy Comment
  CAS-BOT-BC59976  Frangula purshiana Alice Eastwood 1921-7-30 11007 Siskiyou Soda Creek. Comment
  CAS-BOT-BC59979  Frangula purshiana Louis C. Wheeler 1934-7-17 2915 Siskiyou Cottonwood Creek. Siskiyou Mts. 944 Comment
  HSC100188  Frangula purshiana J. P. Smith, & J. O. Sawyer 2011-9-3 13408 Siskiyou Along Old Shasta River Road. 744 Comment
  CAS-BOT-BC55716  Frangula rubra subsp. obtusissima Wm. F. Herrin 1920-8-25 s.n. Siskiyou Mt. Eddy Comment
  CAS-BOT-BC223580  Fraxinus latifolia G. B. Grant 1902-9-13 s.n. Siskiyou Dunsmuir Comment
  HSC90036  Fritillaria pudica Andrew Enberg, Brad Penkala, Dan Scofield 1990-4-4 32 Siskiyou E side of Hwy. 3, 8 mi. N of Scott River Ranger Station 1159 Comment
  SEINET3886631  Fritillaria pudica James P. Smith 1974-5-26 7581 Siskiyou Copco Quad. Along Forest Service road 47N03, 1/4 mile northeast of Chandler Glade.; 0 1768 Comment
  UC1258453  Galium aparine Maralyn A. Renner 1980-6-25 1115 Siskiyou West Fork of Little South Fork Indian Creek Klamath National Forest, Preston Peak Quad. 1219 Comment
  HSC58970  Galium bifolium Gilbert Muth 1975-7-29 3075 Siskiyou Near Kangaroo Mtn., close to the town of Seiad Valley 1756 Comment
  UC618908  Galium bifolium W. Bridge Cooke 1938-7-1 11146 Siskiyou below Wagon Camp (near creeks); Mount Shasta Comment
  HSC78185  Galium bifolium L. P. Janeway 1983-7-17 418 Siskiyou Poker Flat, upper portion of meadow 1524 Comment
  UC139300  Galium bolanderi Wm. M. Canby, Profs. C. S. Sargent and John Muir 1897-9-7 108 Siskiyou Mt. Shasta Comment
  UC164076  Galium bolanderi Geo. D. Butler 1909-7-15 946 Siskiyou Highland Mine Comment
  UC164088  Galium bolanderi Geo. D. Butler 1908-7-19 999 Siskiyou Humbug Creek Comment
  HSC30493  Galium bolanderi Frederick W. Oettinger 1969-8-22 1486 Siskiyou Salmon Mtns., along trail entering Horse Range Lake Basin 1768 Comment
  JEPS52691  Galium bolanderi Lauramay T. Dempster 1963-9-2 3918 Siskiyou Happy Camp Rd 7 mi s state line Comment
  UCD121742  Galium californicum Daryl Koutnik; Martha Townsend 1979-9-10 s.n. Siskiyou Southwest of Etna, near Etna Bridge. 1066 Comment
  HSC104303  Galium glabrescens subsp. glabrescens Dana York 2012-7-21 3143 Siskiyou Rogue River-Siskiyou National Forests; Siskiyou Mountains, Red Buttes Wilderness, a few meters below summit of Red Butte 2043 Comment
  RSA202646B  Galium glabrescens subsp. glabrescens F. Ehrendorfer, G. Ledyard Stebbins 1959-6-29 5915 Siskiyou W flank of Scott Mtn. 1921 Comment
  UC220540  Galium grayanum H. E. Brown Jun 11 1897-Jun 16 1897 435 Siskiyou n side Mt. Shasta 1524 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
  UC618722  Galium trifidum W. Bridge Cooke 1938-7-29 11414 Siskiyou in narrow stream between two meadows Mt. Shasta, Wagon Camp Comment
  HSC61496  Galium triflorum Ruby Van Deventer 1939-7-18 Siskiyou Kelley Lake and Kelley Lake Trail Comment
  HSC29316  Galium triflorum Frederick W. Oettinger 1968-8-7 436 Siskiyou Marble Mtn. Wilderness Area, along trail on E side of Hancock Lake 1936 Comment
  RSA597572  Garrya flavescens Louis C. Wheeler 1963-9-3 8346 Siskiyou Siskiyou Mountains. Cyclone Gap chrome mine. Comment
  CAS-BOT-BC182227  Garrya fremontii R. F. Thorne 1969-8-23 63348 Siskiyou Klamath National Forest, Salmon Mountains, Ma4rble Mountain Wilderness Area, high lake basins in the vicinity of English Peak 1159 Comment
  CAS-BOT-BC182233  Garrya fremontii J. H. Thomas 1954-5-14 4186 Siskiyou Salmon Mountains, Klamath National Forest. Near South Fork of Salmon River, 5 to 9 miles southeast of Cecilville 1219 Comment
  HSC29256  Garrya fremontii Frederick W. Oettinger 1968-8-18 581 Siskiyou HIgh Lake basin in the vicinity of English Peak, Marble Mtn Wilderness Area. NE side of Hancock Lake 1936 Comment
  RSA52144  Garrya fremontii Dorothy Parker 1948-2-27 215 Siskiyou In Plowmans Valley. 1220 Comment
  RSA485909  Garrya fremontii G. Dahling 1973-06 1270 Siskiyou About 21.5 miles southwest of Cave Junction. Comment
  SEINET3144594  Garrya fremontii G. D. Butler 1910-3-12 1125 Siskiyou Hill near Yreba 1067 Comment
  HSC19178  Gaultheria humifusa J. O. Sawyer 1968-7-9 452 Siskiyou W of Little Duck Lake. 1936 Comment
  RSA467221  Gaultheria humifusa L. C. Wheeler 1934-8-16 3164 Siskiyou Johnson Dairy, Siskiyou Mts. 1646 Comment
  RSA237860  Gayophytum diffusum subsp. parviflorum Frederick W. Oettinger 1969-8-14 1380 Siskiyou Campsite, English Lake. Salmon Mtns. High Lake Basins in the vicinity of English Peak. Marble Mtn Wilderness Area 1738 Comment
  JEPS27519  Gayophytum heterozygum W. L. Jepson Jul 17 1902-Jul 22 1902 2102 Siskiyou The Devil's Backbone; w Siskiyou Co. 1828 Comment
  UC1608325  Gentiana newberryi var. newberryi J. Kierstead 1990-8-9 90 130 A Siskiyou s side Mt. Eddy (Fawn Creek meadow, beyone end of Forest Service rd 40N42); Shasta-Trinity National Forests, Shasta Ranger Dist. 1828 Comment
  POM254105  Gentiana plurisetosa Harris 1939-8-29 s.n. Siskiyou Half Moon Meadow, Marble Mountain Primitive Area 1670 Comment
  SEINET201845  Gentianella acuta Unknown 1959-8-19 4730 Siskiyou Just west of summit of Scott Mountain grade, just beyond Trinity County Line. 1585 Comment
  CHSC78517  Gentianella amarella subsp. acuta Vernon H. Oswald 2000-8-28 9955 Siskiyou East border of Kangaroo Lake. 1853 Comment
  UC61084  Geranium oreganum W. A. Setchell, C. C. Dobie 1902-7-13 Siskiyou Sisson Mount Shasta Comment
  CAS-BOT-BC459621  Geum macrophyllum Geo. D. Butler 1910-6-5 1506 Siskiyou Shackleford Creek Comment
  POM91453  Geum macrophyllum Geo. D. Butler 1910-6-5 1506 Siskiyou Shackleford Creek Comment
  RSA454259  Geum macrophyllum Louis C. Wheeler 1934-6-14 2712 Siskiyou Siskiyou Mts. 1280 Comment
  UC1409499  Geum macrophyllum var. perincisum F. W. Oettinger 1969-8-9 1316 Siskiyou near Young's Cabin (Salmon Mountains, western Siskiyou County); Salmon Mountains 1356 Comment
  CAS-BOT-BC143594  Geum triflorum Elmer I. Applegate 1935-6-8 9431 Siskiyou Bear Paw Cave, Lava Beds National Monument Comment
  HSC46241  Gilia capitata Jennifer Whipple 1978-6-5 2324 Siskiyou Weston Gulch in Scott Valley 854 Comment
  HSC30425  Gilia capitata subsp. capitata Frederick W. Oettinger 1968-8-16 545 Siskiyou High Lake Basin in the vicinity of English Peak, Marble Mtn. Wilderness Area: Red Hill N of Hancock Lake 1997 Comment
  UCR143023  Glyceria borealis L. C. Wheeler 1934-6-26 2797 Siskiyou Siskiyou Mountains, Cottonwood Creek 838 Comment
  CAS-BOT-BC282715  Glyceria elata J. M. Tucker 1963-8-19 3774 Siskiyou Headwaters of Canyon Creek, Marble Mountain Wilderness Area 1950 Comment
  HSC22313  Glyceria elata J. O. Sawyer 1969-7-18 1399 Siskiyou Above S Russian Creek 1905 Comment
  HSC22314  Glyceria elata J. O. Sawyer 1969-8-5 1774 Siskiyou W of Little Duck Lake 2073 Comment
  HSC26621  Glyceria elata J. P. Smith, Steve Selva 1970-6-15 3916 Siskiyou 10 mi. NW of Forks of Salmon Comment
  JEPS83992  Glyceria elata L. R. Heckard with J. Hickman 1986-7-16 6446 Siskiyou 5 mi n Seiad Valley (town) (Lily Pad Lake, se of Red Butte); Lily Pad Lake 1770 Comment
  UC163072  Glyceria elata Copeland 1903-9-8 3795 Siskiyou Mt. Eddy Comment
  RSA238996  Glyceria striata Frederick W. Oettinger, Robert F. Thorne 1969-8-6 1234 Siskiyou South side of Pine Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1951 Comment
  SJSU11315  Glyceria striata S. H. Casey 1981-7-4 1208 Siskiyou by Seiad Creek Road, Siskiyou Mts c. 6 mi N of Seiad Valley 1371 Comment
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Jul 10 2014
  CHSC88403  Gnaphalium palustre Jenny Marr 1993-7-1 162 Siskiyou Butte Valley Wildlife Area, +/- 7 air miles NW of the town of MacDoel. Meadow NW of Meiss Lake. 1349 Comment
  UC61683  Gnaphalium palustre Geo. B. Grant 1902-9-1 5088 Siskiyou Sisson Northern California, Mount Shasta 1066 Comment
  CAS-BOT-BC302676  Gnaphalium palustre L. E. Smith 1915-7-1 s.n. Siskiyou Castella Comment
  CDA6018  Gnaphalium palustre T. R. Haig, F. D. Horn 1979-9-19 Siskiyou Sharp Mountain Reservoir southeast of Mount Hebron. 0 Comment
  HSC29163  Gnaphalium palustre Frederick W. Oettinger 1969-9-4 1627 Siskiyou E side of Hancock Lake 1951 Comment
  UC1409287  Gnaphalium palustre Frederick W. Oettinger 1969-9-1 1572 Siskiyou Dry Lake, w Siskiyou County Salmon Mountains, Marble Mountain Wilderness Area, Dry Lake 2026 Comment
  HSC19396  Goodyera oblongifolia J. O. Sawyer 1968-7-2 358 Siskiyou Upper drainage of Joe Creek 1677 Comment
  HSC27620  Goodyera oblongifolia Carl W. Mize 1972-8-19 106 Siskiyou 732 Comment
  SEINET8196611  Gypsophila paniculata var. paniculata D. W. Taylor 2002-7-27 18276 Siskiyou Weed (town), on far W end of town along the old highway to Yreka. 1036 Comment
  SEINET1911810  Hackelia R. Tofsrud, J. M. Tucker 1948-1 1783 Siskiyou Openings in Yellow Pine woods, ca. 1.5 miles northwest of McCloud, California Comment
  CAS-BOT-BC419706  Hackelia bella Mary Merello; H. H. Schmidt; L. Woodruff 1993-6-23 702 Siskiyou Shasta Trinity National Forest County Road A-10 (Everitt Memorial Hwy.) along roadside at the John Everitt Vista Point. 1800 Comment
  SBBG16536  Hackelia californica D. Myrick 1961-6-19 264 Siskiyou rd to Mt Shasta Ski Bowl 1828 Comment
  SEINET270241  Hackelia californica Kathy Harper, Dane Karr 1994-6-15 Siskiyou State Highway 89 about 5 miles west of Bartle 1158 Comment
  CDA40628  Hackelia californica T. C. Fuller 1962-6-13 8975 Siskiyou Highway 89 to McCloud, 1.2 miles west of Bartle. 0 Comment
  UC1540011  Hackelia cusickii M. H. Mitchell 1936-5-21 Siskiyou s of the road to Devil's Gate; Lava Beds National Monument 1310 Comment
  POM72107  Hackelia micrantha Geo. D. Butler 1910-7-8 1678 Siskiyou Shackleford Creek. 1372 Comment
  RSA184764  Hackelia micrantha Gilbert Muth 1966-7-8 362 Siskiyou Marble Valley Meadow. Marble Mtns. 1793 Comment
  JEPS62098  Hastingsia alba W. L. Jepson July 1894 Siskiyou Sisson Comment
  UC1134651  Hastingsia alba H. S. Yates 1936-6-21 5822 Siskiyou 1 mi se Gazelle; Etna Quad. Comment
  UC221682  Hastingsia alba H. E. Brown Jun 15 1897-Jun 30 1897 412 Siskiyou n side Mount Shasta; n side Mt. Shasta 1524 Comment
  CAS-BOT-BC504595  Hastingsia alba David D. Keck 1949-7-20 6364 Siskiyou Meadow at Scott Mountain Summit, at Trinity County line 1633 Comment
  UC1282032  Helenium bigelovii Louise Kellogg Aug 8 1953-Aug 9 1953 122 Siskiyou Scott Mountain Public Campground Klamath National Forest, Scott Mountains 1630 Comment
  SEINET11848913  Helenium bigelovii Unknown 1953-1 122 Siskiyou Scott Mountains, Scott Mountain Public Campground, Klamath National Forest 1631 Comment
  UC1282023  Helenium bigelovii Louise Kellogg 1953-8-8 112 Siskiyou on road between Callahan and Trinity Center (nw slope of Scott Mountain); Klamath National Forest, Scott Mountain, Mule Creek 1402 Comment
  SEINET11835695  Helianthella californica var. shastensis H. P. Chandler 1901-1 1535 Siskiyou Klamath River 427 Comment
  HSC68351  Helianthus annuus J. P. Smith, Steve Selva 1970-7-17 4426 Siskiyou Along Klamath River. Comment
  JEPS34860  Helianthus bolanderi George Butler 1908-8-27 337 Siskiyou L. Eastlick's Ranch, Oro Fino Oro Fino Comment
  CAS-BOT-BC313445  Hemizonella minima C. L. Hitchcock; J. S. Martin 1939-7-9 5325 Siskiyou 1/2 mile southeast of King's Castle, Marble Mts. 1828 Comment
  JEPS38310  Hemizonella minima W. L. Jepson 1907-7-5 2823 Siskiyou Marble Mt. Comment
  JEPS84315  Hemizonella minima L. R. Heckard with J. Hickman et al. 1986-7-17 6548 Siskiyou ca 1 mi ne Buckhorn 2100 Comment
  JEPS19789  Hemizonella minima Rimo Bacigalupi with S. Galen Smith 1957-6-25 5932 Siskiyou forest land just w Black Butte railroad junction 1188 Comment
  UC1400372  Heracleum lanatum Frederick W. Oettinger 1968-8-15 522 Siskiyou s.e. side Hancock Lake; Salmon Mts., High Lake Basins, English Peak vicinity, Marble 1935 Comment
  RSA183682  Heracleum maximum Gilbert Muth 1965-7-28 129 Siskiyou Marble Valley Guard Station, Marble Valley Comment
  SD43482  Hesperocyparis bakeri Carl B. Wolf 1944-10-30 11481 Siskiyou Modoc Lava Beds, 1 mile northeast of Timbered Crater on Old Stage Road from Dana to Little Hot Springs Valley 1220 Comment
  HSC76903  Heterotheca villosa var. minor K. T. Stillman 1976-9-10 506 Siskiyou Marble Mountain Wilderness Area, across marble on E side of Black Mountain 2104 Comment
  JEPS74565  Heuchera merriamii W. J. Ferlatte 1967-8-20 1061 Siskiyou Caribou Basin, Sawtooth Ridge; Trinity Alps 2042 Comment
  CAS-BOT-BC420704  Heuchera merriamii Doris K. Kildale 1928-8-19 6542 Siskiyou Summit of divide between English Lake and Haverick Lake on trail to Marble Mt. 2194 Comment
  CAS-BOT-BC94871  Heuchera merriamii R. C. Wenk 2005-7-15 220 Siskiyou Trinity Alps, above S. Fork of Salmon River, along Yellow Rose Mine Trail, N along ridge toward Preacher's Peak 2133 Comment
  HSC61970  Heuchera merriamii Al Hobart 16 Jul [year missing] Siskiyou Preston Peak Comment
  CAS-BOT-BC420939  Heuchera micrantha var. diversifolia G. P. Rixford No date on label s.n. Siskiyou Hilt Comment
  SEINET185086  Heuchera rubescens C. L. Hitchcock, JS Martin 1939-7-7 5285 Siskiyou Sanger Peak 1780 Comment
  CAS-BOT-BC319688  Hieracium albiflorum Ira L. Wiggins 1955-7-21 13435 Siskiyou Rush Creek Trail 2 mi. above Mt. View Ranch 1097 Comment
  JEPS36598  Hieracium greenei Willis L. Jepson Jul 24 1894-Aug 10 1894 Siskiyou near Sisson; Region of the Upper Sacramento, Upton Comment
  RSA184623  Hieracium greenei Clare B. Hardham 1965-8-20 1304 Siskiyou Marble Mountains, near Cudahy lakes. Granite Trail. 1524 Comment
  CAS-BOT-BC316010  Hieracium nudicaule A. A. Heller 1921-6-29 13561 Siskiyou Along the Mt. Shasta trail near the town of Mt. Shasta Comment
  UC922284  Hieracium parryi Annie M. Alexander and Louise Kellogg 1949-7-20 5812 Siskiyou n of Paradise Lake; Marble Mountains 1920 Comment
  CAS-BOT-BC316031  Hieracium scouleri Lewis S. Rose 1936-7-29 36704 Siskiyou Shasta Springs 762 Comment
  CAS-BOT-BC316032  Hieracium scouleri Annie M. Alexander; Louise Kellogg 1949-7-20 5812 Siskiyou Paradise Lake, Marble Mountains 1920 Comment
  HSC36469  Hieracium scouleri J. O. Sawyer 1968-7-22 526 Siskiyou Between Handcock and Diamond Lakes 1951 Comment
  HSC76864  Hieracium scouleri K. T. Stillman 1976-9-9 478 Siskiyou Marble Mountain Wilderness Area. Big Rock Camp- Elk Valley Trail 1921 Comment
  OBI49175  Hieracium scouleri Lewis S. Rose 1937-1-25 37590 Siskiyou S slope of Mt Shasta 1768 Comment
  UC1313023  Hieracium triste J. M. Tucker and L. K. Mann 1963-8-19 3783 Siskiyou headwaters of Canyon Creek; Marble Mountain Wilderness Area 1920 Comment
  UC922283  Hieracium triste Annie M. Alexander and Louise Kellogg 1949-7-22 5837 Siskiyou Trail to Paradise Lake. Kings Castle; Marble Mountains 1920 Comment
  HSC90218  Hieracium triste Michael P. Murray 1991-7-20 1 Siskiyou Marble Mountain Wilderness Area; On ridge between Kings Castle and Jumpoff 2088 Comment
  RSA449752  Holodiscus boursieri Katherine Curran 1887-09 s.n. Siskiyou Downer Lake, Siskiyou? Comment
  HSC29377  Holodiscus discolor Frederick W. Oettinger 1969-8-19 1448 Siskiyou Marble Mtn. Wilderness area, ridge from Arrow Peak to King David Peak 1951 Comment
  HSC29378  Holodiscus discolor Frederick W. Oettinger 1968-9-8 787 Siskiyou S of English Lake 1784 Comment
  JEPS83829  Holodiscus discolor Wayne Roderick July 1978 Siskiyou Siskiyou mts.; vicinity Cook and Green Pass Comment
  RSA297038  Holodiscus discolor John F. Emmel 1974-7-19 515 Siskiyou Limestone ridge 0.2 air mile N of Lily Pad Lake. Siskiyou Mountains. 1829 Comment
  UC1409361  Holodiscus discolor Frederick W. Oettinger 1968-8-13 503 Siskiyou se side of Hancock Lake, High Lake Basins in vicinity of English Peak, Salmon Mountains, Marble Mountain Wilderness Area Hancock Lake; Salmon Mountains, Marble Mountain Wilderness Area 1935 Comment
  CAS-BOT-BC152383  Holodiscus discolor var. discolor John Thomas Howell 1937-7-29 13654 Siskiyou Scott Mt. between Trinity and Siskiyou cos. Comment
  CHSC86666  Holosteum umbellatum subsp. umbellatum Jenny Marr 1993-7-1 49 Siskiyou Butte Valley Wildlife Area, +/- 7 air miles NW of the town of MacDoel. Meadow NW of Meiss Lake. 1349 Comment
  HSC86565  Hordeum brachyantherum D. K. Imper 1987-7-21 Siskiyou 8 mi. E of Somes Bar, vicinity of Haypress Meadows 1372 Comment
  CDA32413  Hordeum jubatum T. C. Fuller 1965-6-1 13586 Siskiyou West side of Highway 99 to Grenada, 4 miles south of Yreka. 0 Comment
  CDA2189  Hordeum marinum subsp. gussoneanum G. D. Barbe, J. T. Howell, T. C. Fuller 1980-5-2 2782 Siskiyou Yreka. West of Motel 6, south of town, north of Greenhorn Creek Road. Comment
  JEPS70551  Hordeum marinum subsp. gussoneanum Geo. D. Butler 1909-5-21 822 Siskiyou near Yreka Comment
  HSC75114  Horkelia daucifolia var. daucifolia J. P. Smith, Thomas W. Nelson 1979-6-15 10125 Siskiyou Klamath National Forest, road to Carmen Lake, 0.6 mi. from its junction with Hwy. 3 1646 Comment
  HSC82562  Horkelia daucifolia var. daucifolia Thomas W. Nelson, Jane P. Nelson 1979-5-26 4717 Siskiyou Along Hwy. 3, N of Scott Mtn. Summit, at junction with FS Rd. 40N03 1524 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
  RSA47608  Horkelia tridentata subsp. flavescens Roxana S. Ferris, Laura Lorraine 1948-6-12 11792 Siskiyou Scott Mountain Road south of Callahan. Comment
  CAS-BOT-BC538246  Horkelia tridentata var. flavescens David D. Keck 1938-8-8 4872 Siskiyou At Trinity Co. line: Scott Mountain Divide, between Scott Mtn. and Craggy Peak 1676 Comment
  SBBG30555  Hosackia oblongifolia var. oblongifolia D. Myrick 1968-6-29 2057 Siskiyou Big Flat, head of Coffee Crk; Trinity Alps 1524 Comment
  JEPS16952  Hulsea nana Peter H. Raven 1956-9-4 10425 Siskiyou summit Mount Eddy 2758 Comment
  SEINET10475155  Hulsea nana Mary Susan Taylor 1980-8-19 Taylor 3265 Siskiyou T43N R2E se sec 23, Medicine Lake quad. Shasta-Trinity Natl Forest, in pumice, on Paint Pot Crater. With J. Prouty & E. Heinz. 1920 Comment
  CHSC106092  Hymenoxys lemmonii Lowell Ahart; John Dittes 2010-7-30 16972 Siskiyou On moist soil of riparian terraces, Shasta Big Springs Ranch, 2.6 miles (air) northwest of Big Springs Lake, 3.9 miles (air) southeast of Grenada, 6.3 miles (air) northwest of Dwinnel Dam. 778 Comment
  JEPS101370  Hymenoxys lemmonii Dean W. Taylor 1997-6-12 16054 Siskiyou hillslopes at base of Scott Mountains at mouth of Willow Creek, Shasta Valley); ca. 4 miles west of Gazelle Comment
  SEINET10472172  Hypericum anagalloides Mary Susan Taylor 1980-7-8 Taylor 3100 Siskiyou T39N R5W ne sec 24, Dunsmuir quad; Shasta-Trinity Natl Forest; on NW side of Castle Lake, along edge of lake. 1615 Comment
  JEPS66838  Hypericum perforatum W. L. Kleaver Siskiyou Yreka Comment
  CAS-BOT-BC88618  Idahoa scapigera L. E. Smith 1913-4-22 89 Siskiyou Yreka. Comment
  UC774467  Iliamna bakeri Carl B. Wolf 1941-7-26 11073 Siskiyou 10.3 mi ne of Weed (along U.S. Highway 97); U.S. Highway 97 914 Comment
  RSA530091  Iliamna bakeri D. W. Taylor 1987-8-6 9244 Siskiyou Extreme northeastern portion of county.; (Hambone Island region, about 100 m south of lava Tank) Comment
  JEPS810  Ipomopsis aggregata Geo. D. Butler 1908-8-3 134 Siskiyou Shackleford Creek near Log Lake 1524 Comment
  UCD35444  Ipomopsis aggregata Beecher Crampton 1956-8-22 3863 Siskiyou South slope of Mt. Shasta, Wagon Camp Road. 1828 Comment
  POM147884  Ipomopsis aggregata subsp. formosissima J. B. Feudge 1927-7-24 1747 Siskiyou trail from Mt. Shasta City to Mt. Eddy 1677 Comment
  HSC76768  Ipomopsis congesta K. T. Stillman 1976-8-7 377 Siskiyou Marble Mtn. Wilderness Area, Box Camp Mtn. 2195 Comment
  CDA39606  Iris chrysophylla D. H. Shaw 1977-5-16 s.n. Siskiyou Scott River Road, south of Scott Bar. 0 Comment
  CHSC71335  Iris missouriensis Vernon H. Oswald; Lowell Ahart 1998-6-11 9213 Siskiyou Old State Hwy. 0.5 miwest of Bray, ca. 10 air mi east of Grass Lake located on Hwy. 97, ca. we air mi northeast of Weed. 1414 Comment
  CDA2714  Iris pseudacorus T. C. Fuller 1958-6-19 1797 Siskiyou South of road between Yreka & Montague. 0 Comment
  SEINET3875941  Iris tenuissima Mary Merello, H. H. Schmidt; L. Woodruff 1993-6-22 694 Siskiyou Sasta National Forest outside of Mt. Shasta City. Along Forest Service Road 26 to Lake Siskiyou.; 0 1090 Comment
  CHSC32704  Isatis tinctoria James P. Smith 1973-5-5 6526 Siskiyou Scott Bar along the Scott River. Comment
  NY411178  Isatis tinctoria K. Morris 1973-6-2 367 Siskiyou On the south side of Hwy 3, 22 mi E of Fort Jones Comment
  CDA36757  Isatis tinctoria D. B. Joley 1976-6-24 4 Siskiyou Lake Siskiyou. 0 Comment
  UCD115206  Isatis tinctoria J. M. Tucker; L. K. Mann 1963-7-4 3688 Siskiyou 8.5 miles (by road) northeast of Fort Jones. Comment
  CAS-BOT-BC57676  Isoetes bolanderi John Thomas Howell 1937-7-29 13669 Siskiyou North side of Scott Mt. Comment
  CAS-BOT-BC57679  Isoetes bolanderi John Thomas Howell 1939-8-2 14892 Siskiyou Spirit Lake, Marble Mts. 1828 Comment
  UC1408845  Isoetes bolanderi Frederick W. Oettinger 1969-7-29 1095 Siskiyou Dry Lake; Salmon Mts, High Lake Basins, English Peak vicinity, Marble 2026 Comment
  JEPS83821  Isoetes occidentalis Wayne Roderick 1984-8-7 Siskiyou vicinity of Cook & Green pass (near Lily Pad Lake in Little Duck Lake); Siskiyoyu Mts., Little Duck Lake 1981 Comment
  CAS-BOT-BC324836  Iva axillaris A. A. Heller 1918-7-25 s.n. Siskiyou Shasta Valley between Gazelle and Edgewood Comment
  CDA8054  Iva axillaris T. C. Fuller 1958-6-19 1802 Siskiyou Tom Williams property, 4 miles northeast of Montague. 0 Comment
  JEPS57180  Ivesia gordonii L. R. Heckard 1967-8-13 1695 Siskiyou summit region Mt. Eddy; Mt. Eddy summit region 2743 Comment
  UC185649  Ivesia gordonii Dr. E. B. Copeland 1903-8-18 3900 Siskiyou Mt. Eddy 2743 Comment
  HSC85696  Ivesia pickeringii J. P. Smith 1980-8-24 10342 Siskiyou Klamath National Forest. Forest Rd. 40N03, 0.3 mi. from its junction with State Route 3; 2.72 mi. from county line 1463 Comment
  UC1573177  Juncus covillei Dean Wm. Taylor with Glenn Clifton 1987-8-5 9223 Siskiyou Tate Creek, at crossing of Forest Road 36N06, McCloud River watershed McCloud River 1484 Comment
  RSA238919  Juncus covillei Frederick W. Oettinger 1969-8-18 1419 Siskiyou NW side of Horse Range Lake. Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1822 Comment
  RSA215594  Juncus drummondii Gilbert Muth 1969-8-8 1285 Siskiyou Gap Meadow, Boulder Peak Ridge. 2287 Comment
  CHSC40145  Juncus ensifolius L. P. Janeway 1983-8-3 482 Siskiyou Seep area along edge of dirt rd ca 350 m n of West Branch Guard Sta. 670 Comment
  HSC73220  Juncus ensifolius Gail Newton 1980-6-20 504 Siskiyou Near Bald Mtn. 1097 Comment
  JEPS24611  Juncus ensifolius Rimo Bacigalupi with Drs. Reino and Aloha Alava 1958-8-31 6764 Siskiyou in the 1.5 mi stretch between Shasta Retreat (at n outskirts of Dunsmuir) to Mossbrae Falls and Shasta Springs (along S.P. (Shasta Route) railway grade); Upper Sacramento River Canyon 731 Comment
  HSC36556  Juncus exiguus J. O. Sawyer 1969-6-12 914 Siskiyou Along C.C.C. road just S of Sugar Creek 1463 Comment
  JEPS81651  Juncus hemiendytus var. hemiendytus L. R. Heckard with L. Constance and R. Ornduff 1969-6-24 2308 Siskiyou ca. 3 mi. n.e. Little Deer Mt.-The Whaleback Quad. (along rd. to Hoffman Mill, 1.2 mi from U.S. Hwy 97) 1554 Comment
  CAS-BOT-BC127624  Juncus mertensianus Jennifer Whipple 1976-7-1 1243 Siskiyou Mount Eddy. Klamath Mountains. Near Durney Lake. 2194 Comment
  HSC96563  Juncus mertensianus Gordon Leppig, J. Kalt 1996-7-9 355 Siskiyou Russian Wilderness, cirque W of Little Duck Lake 2200 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
  JEPS100751  Juncus nevadensis Dean W. Taylor 1997-6-12 16060 Siskiyou mouth of Willow Creek (ca. 4 miles west of Gazelle); Scott Mountains; hillslopes at base of Scott Mountains at mouth of Willow Creek, Shasta Valley); ca. 4 miles west of Gazelle 944 Comment
  UC1100994  Juncus nevadensis Herbert L. Mason 1948-7-18 13614 Siskiyou Grass Lake Comment
  UC1265301  Juncus nevadensis Frederick W. Oettinger 1969-7-31 1115 Siskiyou due w English Lake camp (Sundew Bog, vicinity of English Peak, w Siskiyou County); Salmon Mountains, Marble Mountain Wilderness Area, Sundew Bo 1828 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
  HSC82380  Juncus nevadensis var. nevadensis Thomas W. Nelson, Jane 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
  RSA299465  Juncus orthophyllus J. P. Smith, Steve Selva 1970-7-18 4485 Siskiyou Hanging bog at Kangaroo Lake. 1890 Comment
  UC167844  Juncus orthophyllus C. B. Bradley 1879-1 Siskiyou Comment
  CAS-BOT-BC81136  Juniperus communis W. B. C. 1938-9-8 11644 Siskiyou North side of Red Butte 2468 Comment
  CAS-BOT-BC81139  Juniperus communis W. B. C. 1938-8-22 11599 Siskiyou South [Slope] slope of Diller Canyon, on the north slopes of Shastina and Shasta 2743 Comment
  SBBG33704  Juniperus communis W. M. Plumb 1969-9-23 Siskiyou China Mtn above Caldwell Lakes 2438 Comment
  POM21816  Juniperus communis var. montana E. B. Copeland 1903-10-6 3782 Siskiyou Mt. Eddy 2287 Comment
  LA6569  Juniperus communis var. saxatilis Wm. Bridge Cooke; 1939-7-26 13743 Siskiyou above Panther Creek Meadows 2590 Comment
  SBBG18884  Juniperus grandis F. E. Clements 1918-1 Siskiyou 6 mi from Yreka Comment
  CHSC27340  Juniperus occidentalis T. B. Devine 1977-10-23 371 Siskiyou About 300 yds w of jct of Hwy 3 and unimproved lagging road leading w to area of Little and Big Duck Lakes. 944 Comment
  RSA571790  Juniperus occidentalis var. occidentalis L. C. Wheeler 1934-6-9 2663 Siskiyou Klamath River between Dutch Creek and Deadman Gulch, Siskiyou Mountains 671 Comment
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Sep 25 2014
  CAS-BOT-BC246175  Keckiella lemmonii Alice Eastwood 1917-9-2 6635 Siskiyou Shasta Springs Comment
  POM43272  Keckiella lemmonii Geo. D. Butler 1908-8-24 426 Siskiyou Russian Creek. Comment
  UC1409491  Kopsiopsis strobilacea Frederick W. Oettinger 1968-8-18 572 Siskiyou The High Lake Basins in the Vicinity of English Peak, Marble Mountain Wilderness Area. On SW running ridge of Little Medicine Mt. due north of Tobacco Lake. 1920 Comment
  CAS-BOT-BC340367  Kyhosia bolanderi Louis C. Wheeler 1934-8-10 3103 Siskiyou Dead Cow Creek, Siskiyou Mts. 1828 Comment
  JEPS40432  Kyhosia bolanderi Willis L. Jepson Jul 24 1894-Aug 10 1894 Siskiyou Sisson Region of the Upper Sacramento Comment
  OBI58651  Lactuca biennis David J. Keil 1992-7-20 23502 Siskiyou Klamath NF. Along Forest Rd 46N64, 2.8 mi W of Scott river rd Comment
  JEPS107664  Lagophylla ramosissima Lowell Ahart, John Dittes 2005-6-9 12016 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
  CAS-BOT-BC341694  Lagophylla ramosissima Doris K. Kildale 1928-7-25 5866 Siskiyou Klamath River between Gottville & Brown's Resort Comment
  CAS-BOT-BC341703  Lagophylla ramosissima Louis C. Wheeler 1934-6-2 2608 Siskiyou Klamath National Forest. Oak Knoll R. S. 670 Comment
  CAS-BOT-BC341706  Lagophylla ramosissima Margaret M. Hanna 1958-6-21 s.n. Siskiyou 2 1/2 miles southeast of Dorris Comment
  JEPS94783  Lagophylla ramosissima subsp. ramosissima Vernon H. Oswald and Lowell Ahart 1998-8-3 9408 Siskiyou 11.5 mi w of Gazelle (USFS 41N03 1.0 mi e of its junction with Gazelle-Callahan Road) 1524 Comment
  UC2026967  Lapsana communis Anthony Baniaga 2011-7-8 428 Siskiyou Klamath National Forest. Along Salmon River, on highway 93 Comment
  HSC62307  Lathyrus delnorticus Ruby Van Deventer Aug 1957 Siskiyou Youngs Valley. Comment
  JEPS104937  Lathyrus nevadensis var. nevadensis Dean W. Taylor 1996-6-18 15697 Siskiyou Scott Mountains; bordering Shasta Valley, hillslopes about 4 miles south of Gazelle; Shasta-Trinity National Forests 1249 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
  POM253569  Lathyrus polyphyllus C. L. Hitchcock, J. S. Martin, A. S. Hitchcock 1939-7-6 5209 Siskiyou on Takilma-Happy Camp Road 1677 Comment
  RSA121789  Layia glandulosa subsp. glandulosa M. H. Mitchell 1936-5-8 9 Siskiyou 0.5 mile SSW of Hospital Rock. Modoc Lava Beds National Monument. 1242 Comment
  SD53406  Leersia oryzoides D. F. Howe 1962-8-5 3397 Siskiyou 56.8 miles east of Happy Camp on #96; bank of Klamouth River 609 Comment
  UCR101153  Lepidium campestre L. C. Wheeler 1959-7-21 7588 Siskiyou Salmon & Marble Mtns. region, Crawford Creek, c. 0.5 mi. upstream from Guard Station Comment
  CAS-BOT-BC88927  Lepidium densiflorum var. densiflorum A. A. Heller 1916-8-24 12561 Siskiyou Near Sisson. 1013 Comment
  CAS-BOT-BC89160  Lepidium draba A. A. Heller 1905-6-9 8006 Siskiyou Yreka. Comment
  SEINET7073597  Lepidium perfoliatum A. G. Vestal 1955-5-18 s.n. Siskiyou About 2.2 miles southeast of Dorris on US Route 97. UTM Zone 10, 588147mE, 4642648mN. Coordinate datum: NAD27. Comment
  CAS-BOT-BC60147  Lepidium virginicum var. menziesii Carl B. Wolf 1927-8-27 1147 Siskiyou On the Klamath River 10 miles above the Salmon River. Comment
  JEPS53789  Lesquerella occidentalis subsp. occidentalis Geo. D. Butler 1909-4-24 588 Siskiyou Cherry Creek Comment
  CAS-BOT-BC341891  Lessingia nemaclada Elmer I. Applegate 1923-9-7 3948 Siskiyou Doggett Creek 1524 Comment
  CAS-BOT-BC341892  Lessingia nemaclada Lowell Ahart 1983-9-13 4412 Siskiyou Near the highway 96, near the Klamath River, about 5 miles west of Interstate Highway 5 1000 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
  CAS-BOT-BC342103  Leucanthemum vulgare Louis C. Wheeler 1934-8-20 3198 Siskiyou Klamath National Forest. W. Fork Beaver Cr. 1127 Comment
  CAS-BOT-BC58259  Leucothoe davisiae W. R. Dudley 1901-8-18 s.n. Siskiyou E. along shore of Jackson Lake, Salmon Mts. Comment
  HSC30488  Leucothoe davisiae Frederick W. Oettinger 1968-8-1 347 Siskiyou Marble Mountain Wilderness Area, N end of Little Hancock Lake 2043 Comment
  RSA237458  Lewisia cotyledon Frederick W. Oettinger 1967-7-20 173 Siskiyou SSE of Diamond Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2073 Comment
  RSA296720  Lewisia cotyledon var. howellii Clark Miller 1979-4-28 2 -109 Siskiyou 12 miles east of Hwy 96 along road to forks of Salmon. 523 Comment
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Aug 31 2009
  CAS-BOT-BC444087  Lewisia leeana Philip A. Munz 1952-7-2 17915 Siskiyou On rd. to Baldy Mt., 6 mi. w. (by air) of Happy Camp, Siskiyou Mts. 1432 Comment
  RSA50194  Lewisia rediviva E. K. Balls 1949-7-8 13910 Siskiyou Trail from Scott Mountain Camp to Carmen Lake; Scott Mountain. 1753 Comment
  CAS-BOT-BC444580  Lewisia triphylla Wm. Bridge Cooke 1939-7-13 13668 Siskiyou Mount Shasta. In The South Gate. Comment
  RSA601895  Lewisia triphylla L. C. Wheeler 1935-7-23 3686 Siskiyou Siskiyou Mountains: Mt. Diablo Mer.; Mud Springs, Middlehell Creek. 2011 Comment
  UCD64231  Leymus cinereus Beecher Crampton 1969-6-19 8466 Siskiyou 1.5 mi. south of Grenada. Comment
  RSA126618  Leymus condensatus H. S. Yates 1936-6-21 5811 Siskiyou Yreka: 6 miles N. of Gazelle 793 Comment
  UCD64299  Leymus condensatus Mr. Roseman 1913-1 Siskiyou Butte Valley. Comment
  UC30112  Lilium bolanderi W. C. Blasdale Jul 1899 1073 Siskiyou Siskiyou Mts. Comment
  HSC36665  Lilium kelleyanum Brent Whitely 1975-6-28 92 Siskiyou 915 Comment
  CAS-BOT-BC130817  Lilium pardalinum Doris K. Kildale 1929-7-20 8631 Siskiyou Trail up South Fork Indian Creek to Elk Lick 1219 Comment
  UC705659  Lilium pardalinum Marion Ownbey, Fred G. Meyer 1940-7-6 2200 Siskiyou Cayenne Ridge; Marble Mountain Comment
  SEINET8260300  Lilium pardalinum Richard Olmstead 1983-7-13 478 Siskiyou along small stream crossed by road to Cave Jct. ca. 14 mil. N. of Happy Camp (2 mi. N of West Branch Campground). 1000 Comment
  RSA184800  Lilium pardalinum subsp. vollmeri Gilbert Muth 1966-7-19 422 Siskiyou Marble Gap Trail. Along first bluff. Marble Mountains. 1829 Comment
  CAS-BOT-BC438792  Lilium pardalinum subsp. wigginsii Dana York; Jim Shevock 2012-7-20 3116 Siskiyou Klamath National Forest, Siskiyou Mountains, 4 km W-SW of Cook and Green Pass, moist slope above Lily Pad Lake. 1780 Comment
  RSA28139  Lilium washingtonianum Albert M. Vollmer, I. L. Wiggins 1940-7-5 9 Siskiyou 3.5 miles northeast of the town on Mount Shasta 1402 Comment
  CAS-BOT-BC133018  Lilium washingtonianum subsp. purpurascens Doris K. Kildale 1929-7-20 8615 Siskiyou East spur of Preston Peak above Rockefeller Lake 2133 Comment
  UC1190145  Lilium washingtonianum subsp. purpurascens Ira L. Wiggins 1955-7-24 13489 Siskiyou ridge between upper reaches of Chin Creek and Blind Horse Creek 1493 Comment
  CAS-BOT-BC133029  Lilium washingtonianum subsp. purpurascens Edna Kelsey 1961-8-1 s.n. Siskiyou Marble Mts. Comment
  JEPS62032  Lilium washingtonianum subsp. washingtonianum Willis L. Jepson 1894-8-4 Siskiyou Mt. Shasta Comment
  UC164131  Linanthus bolanderi Geo. D. Butler 1909-4-26 611 Siskiyou near Oro Fino Comment
  UC1286472  Linanthus ciliatus W. B. and V. G. Cooke 1965-7-12 35179 Siskiyou Bolam Road Mt. Shasta Comment
  UC643290  Linanthus ciliatus unknown 1940-6-7 15112 Siskiyou between Mount Shasta City and Black Butte (along the Pacific Highway, U.S. 99) Comment
  CAS-BOT-BC416404  Linnaea borealis subsp. longiflora A. A. Heller 1919-6-20 13259 Siskiyou Metcalf's ranch, northeast base of Mt. Eddy 1158 Comment
  RSA0087558  Linnaea borealis subsp. longiflora Henry M. Pollard 1947-9-6 s.n. Siskiyou Dillons Mt. Forest Road. 1219 Comment
  HSC61141  Linum lewisii Al Hobart 1967-8-8 Siskiyou El Capitan Comment
  RSA105458  Linum lewisii M. S. Baker 1955-6-27 13084 Siskiyou Hwy. 99, 4 mi. S of Gazelle. 915 Comment
  RSA789789  Linum lewisii var. lewisii Rebecca Wenk 2005-7-15 205 Siskiyou Trinity Alps, above South Fork of the Salmon River, along the Yellow Rose Mine trail. Top of pass between Yellow Rose and Dorleska mines. 2134 Comment
  HSC61926  Listera caurina Ruby Van Deventer Siskiyou Poker Flat 1585 Comment
  HSC476  Listera convallarioides William J. Ferlatte 1967-7-25 724 Siskiyou Caribou Basin 1982 Comment
  HSC30487  Listera convallarioides Frederick W. Oettinger 1969-8-12 1334 Siskiyou Salmon Mountains, at the Cedars, along Main N Fork Trail between Yellow Dog Creek and Abbott's Lower Cabin 960 Comment
  UC338558  Lithocarpus densiflorus unknown Sep 1889 Siskiyou near Sisson's Comment
  POM267244  Lithocarpus densiflorus var. densiflorus Marion Ownbey, Fred G. Meyer 1940-7-8 2231 Siskiyou Siskiyou Mountains, 17 miles north of Happy Camp. Comment
  CAS-BOT-BC36527  Lithocarpus densiflorus var. echinoides Wm. Bridge Cooke 1941-6-11 16028 Siskiyou along the Castle Lake Road 1219 Comment
  CAS-BOT-BC36537  Lithocarpus densiflorus var. echinoides W. R. Dudley 1905-8-4 s.n. Siskiyou South spur of Mt. Eddy Comment
  RSA605517  Lithospermum californicum L. C. Wheeler 1959-7-24 7589 Siskiyou Salmon & Marble Mountains Region: Ridge between Crawford Creek Gulch. Comment
  CDA40610  Lithospermum ruderale T. C. Fuller 1977-6-14 20215 Siskiyou West side of Highway 97, 3 km south of Deer Mountain Lodge. 0 Comment
  JEPS98786  Lolium Sue Pappalardo 1993-7-19 508 B Siskiyou about 4 mi SE of Bear Mountain Lookout (between Forest Service roads 40N38 and 40N36); Shasta Trinity National Forest, McCloud Ranger District 1300 Comment
  HSC71190  Lolium perenne M. A. Baker 1980-6-20 2223 Siskiyou Near Bald Mtn. 1036 Comment
  UCR37582  Lomatium californicum L. P. Janeway 1983-7-17 425 Siskiyou Poker Flat 1529 Comment
  UC922405  Lomatium macrocarpum Annie M. Alexander and Louise Kellogg 1949-7-22 5843 Siskiyou trail to Kings Castle Paradise Lake (top of ridge); Marble Mts., , trail to Kings Castle 2072 Comment
  POM82364  Lomatium macrocarpum Geo. D. Butler 1910-5-4 1275 Siskiyou Dry hill, Yreka. Comment
  SEINET7073535  Lomatium nevadense A. G. Vestal 1963-6-1 s.n. Siskiyou North base of a volcanic hill. About 1.7 miles east of Montague on Ball Mountain - Little Shasta Road. UTM Zone 10, 542742mN, 4619386mN. Coordinate datum: NAD27. Comment
  HSC37532  Lomatium nudicaule J. P. Smith 1974-5-26 7568 Siskiyou Along FS Rd. 47N03 1524 Comment
  SEINET3143883  Lomatium nudicaule G. D. Butler 1910-5-19 1363 Siskiyou Yreka Comment
  UC190749  Lomatium nudicaule K. Brandegee Siskiyou Hornbrook Comment
  SEINET8756727  Lomatium nudicaule D. Butler 1910-5-19 1363 Siskiyou Yreka Comment
  POM82363  Lomatium peckianum Geo. D. Butler 1910-4-9 1159 Siskiyou Dry hill near Yreka. Comment
  POM67575  Lonicera ciliosa Geo. D. Butler 1910-8-1 1808 Siskiyou Yreka Creek. Comment
  LA205970  Lonicera conjugialis Charles Darland; 1940-6-6 sn Siskiyou Castle Lake Comment
  UC28758  Lonicera conjugialis Milo S. Baker 1893-8-9 Siskiyou Medicine Lake Comment
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Jun 7 2008
  UC1174943  Lonicera hispidula var. vacillans P. C. Everett and E. K. Balls 1959-10-24 23943 Siskiyou 3 mi sw Red Bank F.S. Camp (along road from Sawyers Bar to Somesbar) 518 Comment
  CAS-BOT-BC240841  Lonicera interrupta Carl B. Wolf 1927-8-26 1029 Siskiyou On the Klamath River, 5 mi. below Hornbrook Comment
  CAS-BOT-BC240842  Lonicera interrupta L. E. Detling 1950-6-10 6618 Siskiyou Shasta R. Canyon, nr. Dry Gulch 777 Comment
  CAS-BOT-BC243921  Lonicera involucrata var. involucrata H. E. Brown 1897-7-15 473 Siskiyou South side of Mt. Shasta 3048 Comment
  CAS-BOT-BC243922  Lonicera involucrata var. involucrata Volney Rattan 1879-1-1 s.n. Siskiyou Happy Camp Comment
  CDA15534  Lotus crassifolius G. F. Hrusa 1998-7-5 14702 Siskiyou Siskiyou Mountains; Cedar Camp Rd. +- 5 mi. E of Weitchpec on Hwy 96. N side of Hwy. Mile 8.8. Comment
  HSC103350  Lotus crassifolius var. crassifolius Thomas W. Nelson, Jane Nelson 1983-7-29 7510 Siskiyou Along Forest Service Rd. 41N14, 5 mi. N of junction with Callahan-Cecilville County Rd., at crossing over Sugar Creek. 1433 Comment
  POM27601  Lotus humistratus Geo. D. Butler 1909-6-23 911 Siskiyou Goosenest Foothills. Comment
  SEINET7042842  Lotus incanus A. G. Jones 1955-5-17 s.n. Siskiyou A serpentine unatanable mountain slope, ca. 3500 feet elevation 6.5 miles sputhwest of Yreka on Route 3. Yreka quadrangle UTM Zone 10, 523738mE, 4613250mN. 1066 Comment
  RSA297048  Lotus oblongifolius var. nevadensis John F. Emmel 1974-7-18 513 Siskiyou North end of small unnamed lake 1.4 air miles E. of Preston Peak. 1463 Comment
  CAS-BOT-BC140207  Luetkea pectinata Louis C. Wheeler 1934-8-14 3121 Siskiyou 1 mile west White Mt., Siskiyou Mts. 1920 Comment
  HSC61975  Luetkea pectinata Al Hobart 25 Jul [year missing] Siskiyou Preston Peak 1982 Comment
  HSC62027  Luetkea pectinata Al Hobart 25 Sep [year missing] Siskiyou Preston Peak Comment
  HSC84  Luetkea pectinata William J. Ferlatte 1967-8-20 1049 Siskiyou Caribou Basin, Sawtooth Ridge 2043 Comment
  JEPS84261  Luetkea pectinata L. R. Heckard with S. D'Alcamo, J. Hickman, W. Roderick 1986-7-16 6429 Siskiyou ca 5 mi n Seiad Valley (town) (cirque at head of Hell's Canyon, e slope of Kangaroo Mountain); Kangaroo Mountain 1828 Comment
  CAS-BOT-BC140245  Luetkea pectinata W. R. Dudley 1901-8-23 s.n. Siskiyou Rocky Creek, Foxtail Ridge, Salmon Mts. Comment
  SD126363  Lupinus albicaulis subsp. shastensis P. Kenney, Conrad and LeDoux 1973-6-4 386 Siskiyou West side of Mt. Shasta, just before Pony Trail Road. 1067 Comment
  RSA519115  Lupinus albicaulis var. albicaulis S. Morgan 1987-7-28 s.n. Siskiyou McGinnis Springs, 5 miles NW of McCloud, Shasta- Trinity National Forest, S of Mt. Shasta. 1768 Comment
  CHSC71299  Lupinus albicaulis var. shastensis Vernon H. Oswald 1998-6-11 9184 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
  UC69662  Lupinus albicaulis var. shastensis A. A. Heller 1905-6-13 8024 Siskiyou near Shasta Springs; ; near Shasta Springs, Siskiyou Co. Comment
  POM11083  Lupinus albifrons var. eminens Geo. D. Butler 1910-5-2 1268 Siskiyou Around Yreka. Comment
  POM11084  Lupinus albifrons var. eminens Geo. D. Butler 1910-5-2 1268 Siskiyou Around Yreka. Comment
  CAS-BOT-BC196313  Lupinus albifrons var. flumineus E. A. McGregor 1922-9-30 s.n. Siskiyou Sisson, near depot Comment
  CHSC32924  Lupinus albifrons var. flumineus J. P. Smith 1974-5-26 7390 Siskiyou Along F.S. road 47N03. 1524 Comment
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Feb 26 2013
  HSC22253  Lupinus andersonii J. P. Smith, J. O. Sawyer 1969-7-23 1453 Siskiyou Near N Horse Range Creek along C.C.C. Rd. 1341 Comment
  HSC22254  Lupinus andersonii J. O. Sawyer 1969-6-12 899 Siskiyou Along C.C.C. road just S of Sugar Creek 1463 Comment
  HSC32764  Lupinus andersonii Frederick W. Oettinger 1968-8-19 587 Siskiyou Salmon Mountains: High Lake Basins, Crapo View Gap, English Peak. 2134 Comment
  HSC42153  Lupinus arbustus S. Saufferer 1973-5-25 229 Siskiyou About 3 mi. NE of Weed, along Hwy. 97 Comment
  UC1608316  Lupinus croceus J. Kierstead 1990-7-18 90 -106 Siskiyou Forest Service Rd. 40N26 w Gumboot Lake (Mt. Shasta Ranger Dist.); , w of Gumboot Lake 1950 Comment
  RSA372142  Lupinus croceus P. Kenney, Conrad, Dunn, O. Kenney 1973-6-4 384 Siskiyou Along road from Cecilville to Callahan; 6.4 mi W of Callahan. 1738 Comment
  JEPS93902  Lupinus croceus var. croceus Vernon H. Oswald and Lowell Ahart 1998-8-3 9434 Siskiyou w of Kangaroo Lake (near the Pacific Trail in the Scott Mountains); Scott Mountains 1981 Comment
  SEINET10485330  Lupinus formosus Bruce A. Bohm, H. M. Banek 1980-5-6 Bohm BAB- 1378 Siskiyou I 5 roadside. Comment
  SEINET10937102  Lupinus klamathensis Melvin L. Conrad, David B. Dunn; Douglas G. LeDoux 1973-6-1 Conrad 6968 Siskiyou E facing slope of road cut at the n edge of hornbrook. 732 Comment
  SEINET10937103  Lupinus klamathensis Charles Piper Smith 1940-6-7 Smith 15101 Siskiyou Occasional along the pacific hwy near black butte. 1219 Comment
  CAS-BOT-BC8327  Lupinus lapidicola Amos Arthur Heller 1919-7-9 13422 Siskiyou Mt. Eddy 2438 Comment
  HSC99337  Lupinus latifolius subsp. viridifolius G. L. Clifton 1979-7-1 6191 Siskiyou Near Poker Flat, close to the town of Happy Camp 1538 Comment
  HSC63292  Lupinus latifolius subsp. viridifolius M. A. Baker 1979-7-31 1089 Siskiyou Marble Mtn. Wilderness, Tickner Hole 2000 Comment
  CHSC63607  Lupinus lepidus var. sellulus Vernon H. Oswald; Lowell Ahart 1994-8-10 6450 Siskiyou Pilgrim Creek Rd. (FS13) at Mudd Creek, 2.7 mi N of Hwy. 89, ca. 4.5 mi (air) NE of McCloud. 1097 Comment
  RSA161313  Lupinus lepidus var. sellulus Peter H. Raven 1956-9-4 10397 Siskiyou Rocky slope, south side of Mount Eddy. 2561 Comment
  UC1034595  Lupinus lepidus var. sellulus Douglas Barbe 1955-7-1 66 Siskiyou 0.5 mi e Etna; Klamath Mountains Comment
  UC922627  Lupinus leucophyllus Annie M. Alexander and Louise Kellogg 1948-9-13 5618 Siskiyou Canyon Creek Siskiyou Mountains, , Canyon Creek (branch of Scott River) 762 Comment
  SEINET10488762  Lupinus luteolus Edwin B. Copel 1903-7-2 Copeland 3535 Siskiyou Klamathon. Comment
  JEPS65410  Lupinus onustus J. G. Lemmon July, 1879 Siskiyou Indian Valley to Shasta; Indian Valley to Shasta Comment
  UCD109376  Lupinus polyphyllus J. M. Tucker; L. K. Mann 1963-7-5 3699 Siskiyou on Blake's Fork of South Russian Creek (a tributary of Salmon River), ca. 7 miles (airline) east of Sawyer's Bar, Salmon Mountains. 1615 Comment
  RSA237952  Lupinus polyphyllus subsp. polyphyllus Frederick W. Oettinger 1969-7-31 1111 Siskiyou Salmon Mountains, the High Lake Basins in the vicinity of English Peak Marble Mountain Wilderness Area. 1799 Comment
  JEPS30463  Lupinus tracyi Joseph P. Tracy 1950-7-20 19208 Siskiyou about 4 mi se of Elk Valley (in Flint Valley); Flint Valley 1432 Comment
  HSC2406  Luzula comosa William J. Ferlatte 1966-8-18 407 Siskiyou 3 mi. S of Big Flat 1585 Comment
  CAS-BOT-BC540708  Luzula comosa var. laxa Dana York 2012-7-21 3140 Siskiyou Siskiyou Mountains: Rogue River-Siskiyou National Forests, Red Butte Wilderness, NE Slope of Red Butte 1925 Comment
  CHSC38983  Luzula comosa var. laxa J. D. Jokerst 1983-7-5 1824 Siskiyou Atkin's Meadow, 15 air miles E of McCloud. Comment
  UC1265315  Luzula comosa var. laxa F. W. Oettinger 1968-8-11 486 Siskiyou Just below Tom Taylor Cabin 2042 Comment
  CAS-BOT-BC436705  Luzula comosa var. laxa Louis C. Wheeler 1934-6-12 2691 Siskiyou Klamath Forest, North Hungry Creek 1463 Comment
  HSC2363  Luzula divaricata William J. Ferlatte 1966-8-19 452 Siskiyou Head Of Kidd Creek 2134 Comment
  HSC64675  Luzula divaricata J. O. Sawyer 1977-7-6 3034 Siskiyou S of Little Duck Lake 2134 Comment
  HSC67019  Luzula divaricata J. P. Smith, J. O. Sawyer, Maralyn O'Meara 1972-7-4 5741 Siskiyou 2.6 mi. S of Sugar Creek on Parrott Mill Rd. 1341 Comment
  CHSC96086  Luzula parviflora L. P. Janeway 2006-7-3 8756 Siskiyou Klamath Ranges. Salmon Mountains; Music Creek Trailhead near upper Music Creek. 1893 Comment
  UC872891  Lythrum hyssopifolia Louis C. Wheeler 1934-10-11 3316 Siskiyou Siskiyou Mts., Klamath River, Oak Knoll Ranger Station Oak Knoll Ranger Station; Siskiyou Mts., Klamath River, Oak Knoll Ranger Station 670 Comment
  UCD102934  Lythrum salicaria B. Meyers-Rice 2000-7-29 MR- 701 Siskiyou Lower Klamath National Wildlife Refuge. Comment
  SEINET2121891  Machaeranthera canescens M. L. Carson 1968-12-8 1295 Siskiyou Scott Mountains, road to Callahan 10.2 mi W of Interstate 5 at Gazelle, 11 mi N of Weed. High road cut 1.15 mi E of top of mountain and a division of roads 1400 Comment
  POM147342  Machaeranthera canescens var. shastensis D. D. Keck 1927-8-18 309 Siskiyou Leaf 1425 Comment
  RSA170195  Machaeranthera canescens var. shastensis Joseph P. Tracy 1949-9-16 18564 Siskiyou Scott Valley, 1 mile east of Etna 884 Comment
  CAS-BOT-BC342601  Madia R. E. Frenkel 1965-6-14 943 Siskiyou On Everitt Memorial Highway, 1.7 miles north of McCloud River RR crossing near Mount Shasta 1290 Comment
  CAS-BOT-BC342665  Madia citriodora H. A. Thomas; J. H. Thomas 1954-7-21 4399 Siskiyou Salmon - Trinity Mts. About 6 miles SE of Cecilville. West side of Rush Creek 1158 Comment
  CAS-BOT-BC344019  Madia elegans L. B. Kildale 1930-6-1 9738 Siskiyou Salmon River between Oak Bottom and Somes Bar Comment
  HSC30476  Madia elegans Frederick W. Oettinger 1969-8-10 1328 Siskiyou At Ft. Jones Comment
  HSC42907  Madia exigua J. O. Sawyer, Ken Stillman 1976-5-28 2726 Siskiyou Along Rd. W of Sawyers Bar. 610 Comment
  UC1096810  Madia exigua Milo S. Baker 1957-6-16 13149 Siskiyou Scott Mt. 1767 Comment
  CAS-BOT-BC343428  Madia gracilis Lewis S. Rose 1945-6-19 45140 Siskiyou Horse Creek & Klamath River 502 Comment
  CDA15522  Madia gracilis G. F. Hrusa 1998-7-5 14690 Siskiyou Siskiyou Mountains; Bear Creek Rd. +- 1/2 mi. N of Hwy 96 and 10 mi. SW of Happy Camp. Comment
  UC89419  Madia sativa subsp. dissitiflora T. S. Brandegee July 1887 Siskiyou Sisson's Mt. Shasta, Sisson's Comment
  HSC18981  Maianthemum racemosum subsp. amplexicaule J. O. Sawyer 1969-8-4 1923 Siskiyou South Sugar Creek 2043 Comment
  RSA237902  Maianthemum racemosum subsp. amplexicaule Frederick W. Oettinger 1968-8-7 438 Siskiyou East side of Hancock Lake. The Salmon Mountains, the high lake basins in the vicinity of English Peak, Marble Mountains Wilderness Area 1936 Comment
  CHSC72239  Malva neglecta Vernon H. Oswald; Lowell Ahart 1998-9-16 9643 Siskiyou Hwy. 161 at the Lower Klamath NWR 5.9 mi east of Hwy. 97. 1243 Comment
  HSC46146  Malva neglecta J. P. Smith, Steve Selva 1970-7-17 4440 Siskiyou 915 Comment
  UC618763  Medicago lupulina W. B. Cooke 1938-7-15 11185 Siskiyou Bear Springs Mount Shasta 1524 Comment
  HSC21981  Melica fugax J. O. Sawyer 1969-7-9 1271 Siskiyou S facing upper slope above S Sugar Lake. 2378 Comment
  UCD87368  Melica harfordii A. A. Beetle; G. L. Stebbins Jr. 1942-6-1 3446 Siskiyou 11 miles north of Happy Camp, banks of Indian Creek. Comment
  HSC30607  Melica subulata Frederick W. Oettinger 1969-8-16 1394 Siskiyou Marble Mtn. Wilderness Area, SW of Wiregrass Meadow above English Lake. 1677 Comment
  UCSB25034  Mertensia oblongifolia Keefe, Joseph 1967-7-10 Siskiyou Indian Creek Road; south of O'Brien; 22.6 miles north of Happy Camp 1219 Comment
  CAS-BOT-BC428550  Micranthes aprica A. A. Heller 1915-7-15 12081 Siskiyou Mt. Eddy 2072 Comment
  CAS-BOT-BC428555  Micranthes aprica Lester Rowntree 1936-7-16 s.n. Siskiyou Trinity Mts. divide above Granite Creek. Comment
  CAS-BOT-BC428984  Micranthes ferruginea Doris K. Kildale 1929-7-20 8591 Siskiyou Southeast spur of Preston Peak 1950 Comment
  CHSC1680  Micranthes odontoloma V. Holt 1943-8-11 Siskiyou Marble mountains. 1828 Comment
  CAS-BOT-BC429255  Micranthes oregana W. R. Dudley 1893-6-19 s.n. Siskiyou Sisson's Meadows Comment
  RSA393763  Micropus californicus var. californicus L. C. Wheeler 1934-6-2 2615 Siskiyou Oak Knoll Ranger Station, Klamath River. Siskiyou Mtns. (Mt Diablo Mer.) 671 Comment
  CAS-BOT-BC349105  Microseris douglasii subsp. tenella Katharine Brandegee No date on label s.n. Siskiyou Sissons Comment
  CAS-BOT-BC322661  Microseris laciniata Geo. D. Butler 1910-5-28 1420 Siskiyou Shasta Valley Comment
  CAS-BOT-BC322662  Microseris laciniata K. L. Chambers 1969-5-26 2933 Siskiyou Salmon River, between Somes Bar and Forks of the Salmon, 1.3 miles east of Lewis Creek Comment
  CHSC71283  Microseris nutans Vernon H. Oswald; Lowell Ahart 1998-6-11 9198 Siskiyou Dry Lake on the south side of Tennant Rd. ca. 9 air mi east of Grass Lake, ca. 22 air mi northeast of Weed. In meadow bordering the lake. 1402 Comment
  JEPS35722  Microseris nutans Geo. D. Butler 1904-6-22 958 Siskiyou Goosenest Mountain Comment
  CAS-BOT-BC349364  Microseris nutans L. E. Smith 1912-5-12 203 Siskiyou Castle Creek Comment
  HSC40420  Mimulus cardinalis J. O. Sawyer 1973-7-16 2538 Siskiyou Along Wooley Creek at junction with Bridge Creek. 396 Comment
  POM301676  Mimulus cardinalis Marion Ownbey, Fred G. Meyer 1940-7-6 2179 Siskiyou 3 mi. down the Klamath River from the mouth of Beaver Creek, north side of river. Comment
  JEPS93896  Mimulus evanescens Vernon H. Oswald and Lowell Ahart 1998-7-21 9359 Siskiyou ne of Weed, e of Grass Lake, and w of Bray on Old State Highway 0.8 mi e of Tennant Road; Old State Highway 1417 Comment
  SEINET515909  Mimulus jepsonii Vernon Oswald 1997-7-28 8783 Siskiyou Forest Route 56 (42N56) 3.7 mi. E of Forest Route 49, edge of Burnt Lava Flow Virgin Area at Yellow Jacket Ice Cave. 1756 Comment
  UCR72553  Mimulus layneae D. M. Thompson 1992-6-29 1023 Siskiyou Near Black Butte, midway between Mt. Shasta city and Weed. 1.2 mi north of I-5 interchange (Summit Drive / Deetz Road/Truck Village Drive) along N part of Truck Village Drive (E side of I-5). At summit of hill overlooking railway junction at end of pavement 1200 Comment
  JEPS11712  Mimulus microphyllus F. W. Pennell 1940-6-20 26203 Siskiyou w Bartle (Route 89) 1158 Comment
  JEPS82495  Mimulus moniliformis Gilbert Muth 1965-8-3 153 Siskiyou Marble Valley Marble Mt. Wilderness Area 1792 Comment
  UC1190172  Mimulus moniliformis Ira L. Wiggins 1955-7-22 13451 Siskiyou 9.5 mi above Cecilville; South Fork of Salmon River 1066 Comment
  UC1034588  Mimulus moniliformis Douglas Barbe 1955-7-1 77 Siskiyou 4.5 mi s Etna (on the Westside Road to Callahan at the French Creek bridge); Klamath Mountains 853 Comment
  HSC70516  Mimulus moschatus J. P. Smith, Steve Selva 1970-6-15 3921 Siskiyou 10 mi. NW of Forks of Salmon Comment
  SBBG19766  Mimulus moschatus H. and M. Dearing 1938-6-29 2188 Siskiyou Wagon Camp, Mt Shasta 1828 Comment
  UCD122801  Mimulus moschatus John M. Tucker; Louis K. Mann 1963-7-4 3690 Siskiyou beside road from Etna to Sawyer's Bar, ca. 4.7 miles (by road) southwest of Etna. Comment
  JEPS109691  Mimulus nanus Dean W. Taylor 2002-6-10 18131 Siskiyou Scott Mountain, between Grouse Creek and Little Carmen Creek at the junction of Forest Road 40N40 with xxNxx 1005 Comment
  RSA14134  Mimulus nanus var. jepsonii Elmer I. Applegate 1923-8-18 3882 Siskiyou Medicine Lake. Comment
  RSA535617  Mimulus nanus var. jepsonii David M. Thompson 1988-6-4 931 Siskiyou Ca. 1.5 air mi SE of Deadhorse Summit. 1.3 mi NW of Shasta Co. line along Hwy 89. 1300 Comment
  HSC91001  Mimulus primuloides var. linearifolius Jennifer Whipple 1976-8-20 1729 Siskiyou Wagon Creek Drainage near Wagon Creek 2195 Comment
  POM5108  Mimulus primuloides var. linearifolius E. B. Copeland 1903-8-18 3830 Siskiyou Mt. Eddy. 2287 Comment
  RSA211512  Mimulus tilingii William J. Ferlatte 1967-8-20 1056 Siskiyou Caribou Basin, Sawtooth Ridge. 2226 Comment
  HSC34012  Minuartia douglasii J. P. Smith 1974-5-25 7511 Siskiyou Along Rd. 8, 2.4 mi. W of its junction with Hwy. 3 976 Comment
  HSC44715  Minuartia douglasii J. O. Sawyer, Ed Cope 1977-6-18 2514 Siskiyou Along Clear Creek Trail between Ten Mile Creek and Bear Pen Creek 610 Comment
  CAS-BOT-BC174735  Minuartia nuttallii Alice Eastwood 1912-7-23 1328 Siskiyou Cantara Comment
  CHSC118449  Minuartia nuttallii var. gregaria Julie Kierstead Nelson; Martin Lenz, Rhonda Posey, Brenna Montagne 2016-6-9 2016 -026 Siskiyou Lower Parks Creek watershed, E Klamath Range; Pinus jeffreyi-Calocedrus decurrens woodland on ultramafic clay soil, slope above Forest Service Road 42N19, 3 miles northwest of Stewart Springs. UTM NAD 83 Zone 10, 539095m E, 4586836m N. 1485 Comment
  CHSC95108  Minuartia stolonifera L. P. Janeway 2006-7-4 8778 Siskiyou Klamath Ranges. Scott Mountains; along a short spur loop on northwest side of Hwy 3 4.8 road km southeast of Gazelle-Callahan Road; overlooking East Fork Scott River. Rocky north-facing serpentine slope. 1259 Comment
  SEINET3149779  Mirabilis greenei G. E. Pilz 1972-5-29 800 Siskiyou Collected 4 mi N of Yreka 700 Comment
  UC420430  Mitella pentandra Milo S. Baker 1899-7-31 Siskiyou above Warren and Anderson's Mill; Mt. Shasta, Ash Creek Comment
  RSA238325  Mitella pentandra Frederick W. Oettinger 1969-7-10 954 Siskiyou Along inlet brook to Upper English Lake. Salmon Mtns. High Lake Basins in the vicinity of English Peak. Marble Mtn Wilderness Area. 1799 Comment
  HSC19  Mitella trifida William J. Ferlatte 1966-6-22 93 Siskiyou Along the S Fork of the Salmon River, between the campground and Carter's. 1524 Comment
  HSC75247  Moehringia macrophylla J. P. Smith 1973-5-5 6412 Siskiyou Along Cook and Green Pass Rd. Comment
  UC637081  Moehringia macrophylla Edward Lee 1934-8-13 1081 Siskiyou Happy Camp to Waldo (Oregon) road (watershed of West Branch of Indian Creek, Klamath National Forest); Klamath National Forest, watershed of West Branch Indian Cre 1463 Comment
  HSC75349  Monardella glauca J. O. Sawyer, M. Mesler 1980-8-10 4031 Siskiyou S of Carmen Lake, ultramafics of Scott Mtn. 1829 Comment
  LA54314  Monardella odoratissima Carl Epling; 1938-6-13 sn Siskiyou near Weed Comment
  UCSC001508  Monardella odoratissima Peter Kamb 1949-8-25 1482 Siskiyou Southwest slope of Mt Shasta above Horse Camp Mt Shasta, Horse Camp 2469 Comment
  HSC44616  Monardella odoratissima Laura Witherspoon 1977-7-13 Siskiyou Periphery of Flint Valley 1341 Comment
  UCD125280  Monardella odoratissima R. Tofsrud; J. M. Tucker 1948-8-2 1757 Siskiyou Cemetary about 2 miles south of McCloud. Comment
  UCR21090  Monardella odoratissima subsp. glauca T. W. Fisher, Earl Oatman, R. E. Orth 1974-6-26 s.n. Siskiyou McIntosh Ranch on the McCloud River near Bartle 1220 Comment
  POM257708  Monardella odoratissima subsp. pallida C. L. Hitchcock, J. S. Martin 1939-7-6 5213 Siskiyou on Takilma-Happy Camp Road 1677 Comment
  RSA83364  Monardella odoratissima subsp. pallida F. W. Peirson 1923-7-19 3834 Siskiyou 16 miles S of Bray. Comment
  SEINET10499763  Monardella sheltonii Mary Merello 1993-6-22 Merello 696 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
  SEINET10582377  Monardella siskiyouensis A. Graff 1993-7-24 Graff 354 Siskiyou Klamath National Forest. Hwy. 96, .45-2.8 miles east from junction with Hwy. 263, on right roadside. Infrequent on bare serpentine. End of bloom. Comment
  RSA0022807  Monardella villosa Clare B. Hardham 1965-8-18 13069 Siskiyou Sulphur Springs Road near Happy Camp. Comment
  UC2035870  Monardella villosa subsp. villosa C. Epling 1938-1 Siskiyou Klamath River slopes near Highway 99. 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-BC445108  Montia linearis Geo. D. Butler 1910-4-25 1240 Siskiyou Oro Fino Comment
  UC1733723  Montia linearis Kay H. Beach, Frank Gould 1940-5-15 627 Siskiyou Bull Meadows Comment
  CAS-BOT-BC275336  Muhlenbergia jonesii Ralph K. Gierisch 1968-8-6 3365 Siskiyou Elk Flat, Shasta - Trinity Forest 1310 Comment
  HSC22176  Muhlenbergia montana J. O. Sawyer 1969-8-4 1881 Siskiyou SE slope above S Sugar Lake 2165 Comment
  RSA239109  Muhlenbergia montana Frederick W. Oettinger 1969-8-16 1389 Siskiyou Southwest of Wire Grass Meadow, above English Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1677 Comment
  CHSC71897  Muhlenbergia richardsonis Vernon H. Oswald; Lowell Ahart 1998-9-8 9605 Siskiyou Julia Glover Flat on USFS 3 ca. 6 air mi west of Mosquito Lake and Whitehorse Flat Reservoir. 1112 Comment
  CHSC71320  Myosurus apetalus var. montanus Vernon H. Oswald; Lowell Ahart 1998-6-11 9221 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
  JEPS93855  Myosurus sessilis Vernon H. Oswald and Lowell Ahart 1998-6-11 9222 Siskiyou 5 mi n of Macdoel (Butte Valley National Grassland near the junction of Meiss Lake-Sams Neck Road and Highway 97); Butte Valley National Grassland 1295 Comment
  SBBG243  Myriopteris gracillima H. and M. Dearing 1939-7-1 3790 Siskiyou Salmon Mtn 1828 Comment
  UC643295  Nama densa var. parviflora W. Bridge Cooke 1940-6-4 15022 Siskiyou road leading up the n side Mount Shasta from Bolam Station; n side Mount Shasta, from Bolam Station 1371 Comment
  POM230340  Nama lobbii L. S. Rose 1937-7-25 37597 Siskiyou Mt. Shasta City. 1159 Comment
  RSA145168  Narthecium californicum Dorothy Parker 1959-7-20 735 Siskiyou Below Rock Fence Lake 1829 Comment
  RSA760958  Narthecium californicum Robert F. Thorne, Frederick W. Oettinger 1969-8-4 63388 Siskiyou Klamath National Forest, Salmon Mountains, Marble Mountain Wilderness Area, high lake basins in the vicinity of English Peak 1890 Comment
  HSC64814  Nasturtium officinale J. P. Smith, Steve Selva 1970-6-15 3909 Siskiyou 10 mi. NW of Forks of Salmon Comment
  CDA40083  Navarretia atractyloides C. Giebner 1960-8-3 s.n. Siskiyou Greenview, Scott Valley. 0 Comment
  RSA601498  Navarretia capillaris L. C. Wheeler 1935-7-26 3699 Siskiyou Siskiyou mountains: Jaynes Canyon 1951 Comment
  HSC86530  Navarretia divaricata D. K. Imper 1987-7-21 Siskiyou 8 mi. E of Somes Bar, N of Haypress Meadows 1372 Comment
  RSA238014  Navarretia divaricata Frederick W. Oettinger 1968-8-8 578 Siskiyou Tobacco Lake meadows. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1890 Comment
  RSA211323  Nemophila parviflora var. austiniae William J. Ferlatte 1967-7-9 698 Siskiyou Kidd Creek Trail. 1982 Comment
  CAS-BOT-BC230566  Nemophila parviflora var. parviflora Roxana S. Ferris; Laura Lorraine 1948-6-12 11739 Siskiyou French Creek Logging Road W of Callahan 1219 Comment
  SBBG48692  Nitrophila occidentalis R. N. Philbrick 1974-9-2 Siskiyou Shasta River, just E of Grenada Comment
  CAS-BOT-BC60591  Noccaea fendleri subsp. glauca Roxana S. Ferris; Laura Lorraine 1948-6-12 11714 Siskiyou Schoolhouse Hill, Plowmans Valley (Noyes Valley), east fork of Scott River. Comment
  HSC45574  Noccaea fendleri subsp. glauca Maralyn O'Meara 1974-5-25 436 Siskiyou On Rd. 8, 2.4 mi. W of junction with Hwy. 3 1006 Comment
  HSC68982  Noccaea fendleri subsp. glauca Maralyn A. Renner 1980-7-24 2056 Siskiyou Lily Pad Lake 1768 Comment
  RSA430214B  Noccaea fendleri subsp. glauca Christopher Davidson 1975-6-5 2673 Siskiyou 1.1 mile from gate on special service rd branching SE of rd from Gazelle to Callahan, ca 9.3 mi W of Gazelle. Klamath Nat. Forest. 1502 Comment
  CAS-BOT-BC349914  Nothocalais alpestris Gilbert Muth 1966-7-14 389 Siskiyou Flat above Marble Valley, Marble Gap Trail, Marble Mts. 1828 Comment
  RSA237486  Nothocalais alpestris Frederick W. Oettinger 1967-8-17 272 Siskiyou Crapo Peak Ridge where trail crosses it. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2195 Comment
  CHSC69838  Nothochelone nemorosa J. O. Sawyer 1969-7-24 1457 Siskiyou Northeast facing slope above Sugar Lake. 1783 Comment
  HSC19137  Nothochelone nemorosa J. O. Sawyer 1969-7-23 1457 Siskiyou Near Sugar Lake 1799 Comment
  JEPS83878  Nothochelone nemorosa Wayne Roderick Jul 1976 Siskiyou along trail to Lily Pad Lake (vicinity of Cook and Green Pass, Siskiyou Mountains); Siskiyou Mountains 1463 Comment
  HSC29269  Nothochelone nemorosa Frederick W. Oettinger 1968-8-5 408 Siskiyou High Lake Basins: N of English Pk., leading down to Upper English Lake 1951 Comment
  RSA420390  Nothochelone nemorosa M. B. Dunkle 1944-8-25 9165 Siskiyou Sikiyou Nat'l Forest. Coastal northern California. 1768 Comment
  RSA0013798  Nuphar lutea subsp. polysepala Frederick W. Oettinger 1967-7-26 207 Siskiyou Pond due W of the west cove of Hancock Lake. Salmon Mountains. The high lake basins in the vicinity of English Peak, Marble Mountain Wilderness Area. 1936 Comment
  UC61199  Oenothera elata subsp. hirsutissima W. A. Setchell, C. C. Dobie 1902-7-21 Siskiyou Sisson Mt. Shasta Comment
  JEPS107393  Opuntia fragilis Lowell Ahart, John Dittes 2005-6-10 12101 Siskiyou Hillside, north of the rock fence, about 100 yards southeast of the pump house along the Shasta River, about 1.9 miles (air) south of Highway 99/97 Cutoff, about 6 miles (air) east-southeast of Grenada 776 Comment
  SEINET3163879  Oreobroma howellii G. D. Butler 1910-6-5 1527 Siskiyou Loy Lake Comment
  HSC68168  Oreostemma alpigenum var. andersonii J. P. Smith, Steve Selva 1970-7-18 4499 Siskiyou Hanging bog at Kangaroo Lake. 1890 Comment
  JEPS66435  Orobanche corymbosa subsp. corymbosa L. R. Heckard and P. Rubtzoff 1971-8-2 2697 Siskiyou 2 miles north of Deer Mt. Lodge along U. S. Highway 97. Comment
  UC139217  Orobanche fasciculata R. M. Austin Aug 1878 251 Siskiyou Mount Eddy. Comment
  RSA75605  Orobanche uniflora Albert M. Vollmer, L. Beane 1951-6-2 83 Siskiyou Happy Camp, Klamath River Hwy. Comment
  CAS-BOT-BC500328  Orobanche uniflora subsp. occidentalis Gilbert J. Muth 1969-8-11 1364 Siskiyou Ridge S of Boulder Peak 2316 Comment
  HSC19211  Orthilia secunda J. O. Sawyer 1968-9-9 670 Siskiyou Ridges S of Cyclone Gap 1738 Comment
  HSC60914  Orthilia secunda Al Hobart Siskiyou Black Butte Comment
  UC1333300  Orthilia secunda Dorothy Parker 1949-6-26 Siskiyou Etna Creek, Salmon Mountains Range 1207 Comment
  UC922457  Orthilia secunda Annie M. Alexander and Louise Kellogg 1949-7-28 5877 Siskiyou Sky High Valley, Marble Mountains 1767 Comment
  SEINET6976054  Orthilia secunda M. K. Solecki, J. B. Taft 1986-9-13 2159 Siskiyou Along Canyon Creek Trail between trailhead at Lovers Camp and first junction, Marble Mountain Wilderness. Comment
  UC164266  Orthocarpus cuspidatus subsp. copelandii Geo. D. Butler 1910-7-8 1680 Siskiyou Shackleford Creek 1371 Comment
  RSA488703  Orthocarpus cuspidatus subsp. cuspidatus James L. Reveal 1975-8-15 3953 Siskiyou Siskiyou Mountains, Klamath Nat'l Forest, along the Dry Lake Lookout road (FS 40S01), 0.6 mile north of the turnof to Deep Camp and about 2.7 miles southeast of Dry Lake Lookout. Comment
  UC164259  Orthocarpus cuspidatus subsp. cuspidatus Geo. D. Butler 1909-6-22 930 Siskiyou foothills Goosenest Mountain; foothills of Goosenest Mountain Comment
  UC1190135  Osmorhiza berteroi Ira L. Wiggins 1955-7-21 13428 Siskiyou along ditch bank near Mt. View Ranch (7 mi above Cecilville); S Fork of Salmon River 975 Comment
  RSA105408  Osmorhiza berteroi G. D. Barbe 1955-6-30 58 Siskiyou 0.7 mile northwest of Forest Camp, Etna 945 Comment
  HSC76685  Osmorhiza occidentalis K. T. Stillman 1976-7-30 322 Siskiyou Marble Mtn. Wilderness Area, ridge N of Black Mtn. into Elk Valley by way of Boulder Field, SE corner of valley 1768 Comment
  CAS-BOT-BC413217  Oxyria digyna Wm. Bridge Cooke 1938-9-8 11651 Siskiyou Mount Shasta. North side of Red Butte Comment
  RSA237754  Oxyria digyna Frederick W. Oettinger 1969-8-25 1543 Siskiyou northeast-facing slope above Tanner Peak tail 400 yards down from English Peak Trail. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2134 Comment
  UC1408820  Oxyria digyna Frederick W. Oettinger 1969-8-25 1543 Siskiyou 400 yards from English Peak trail (ne facing slope above Tanner Peak trail, high lake basins in the vicinity of English Peak); Salmon Mountains, Marble Mountain Wilderness Area 2133 Comment
  UCD77870  Ozomelis trifida Robert E. Preston 2001-6-23 1590 a Siskiyou Klamath National Forest, n slope of Rainbow Mtn, T42N R1W nw 1/4 of ne 1/4 Section 23 1950 Comment
  JEPS26959  Packera cana W. L. Jepson 1940-6-23 20007 Siskiyou n of Mt. Shasta (near Andesite station) 975 Comment
  JEPS13482  Packera streptanthifolia Milo S. Baker 1955-6-26 13076 Siskiyou 4 mi w Gazelle (on Highway 99); Klamath Mountains, Great Basin 914 Comment
  CAS-BOT-BC28831  Paeonia brownii L. E. Smith 1913-5-23 270 Siskiyou Weed Comment
  SBBG25904  Parnassia californica D. Myrick 1966-8-8 1492 Siskiyou rd to Carter Ranch, Mountain Meadow Ranch, Big Flat 1524 Comment
  JEPS128828  Parnassia palustris Julie Kierstead Nelson with Martin Lenz 2017-10-3 2017 -056 Siskiyou Eastern Klamath Ranges, The Eddys; Parks Creek Road (County Rd. 17). Comment
  CAS-BOT-BC259614  Pascopyrum smithii H. S. Yates 1936-6-21 5814 Siskiyou 6 miles N of Gazelle 792 Comment
  RSA795333  Pastinaca sativa L. Ahart, John Dittes 2010-7-30 16937 Siskiyou West of the pipe crossing the Shasta River, about 10 yards south of the Shasta River, about 300 yards east of 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
  CAS-BOT-BC202853  Paxistima myrsinites Doris K. Kildale 1929-7-21 8740 Siskiyou Elk Lick, south fork Indian Creek 1219 Comment
  JEPS45932  Paxistima myrsinites Rimo Bacigalupi and L. R. Heckard 1966-6-12 9176 Siskiyou ca. 0.8 mi. n.w. of town Mt. Shasta (Sisson) (in City Park, just above Big Springs) 1097 Comment
  JEPS9620  Paxistima myrsinites Geo. D. Butler 1908-8-5 20 Siskiyou Woolly Creek Comment
  OBI17366  Paxistima myrsinites H. E. McMinn 1931-6-27 2514 Siskiyou Shasta City Comment
  UC163687  Paxistima myrsinites Geo. D. Butler 1908-8-5 20 Siskiyou gulch below Cold Spring (Woolly Creek); Woolly Creek Comment
  UC54486  Paxistima myrsinites H. M. Hall and E. B. Babcock June, 1903 4075 Siskiyou near Upton; Sierra Nevada Mts., Mt. Shasta 1219 Comment
  UCD107438  Paxistima myrsinites D. Sanchez-Mata 1997-9-18 s.n. Siskiyou Mount Shasta-Lake Siskiyou-Gumboot Lake. South Fork (Sacramento River) Road. 1340 Comment
  CAS-BOT-BC202856  Paxistima myrsinites Volney Rattan 1879-6-1 s.n. Siskiyou Siskiyou Mts., Bet. Happy Camp & Waldo Comment
  SEINET5460350 Image available Paxistima myrsinites Ross C. Clark, Bob Harvey; Chris Harvey 23911 Siskiyou Understory under Calcedrus and Pinus ponderosa at Sacramento Springs City Park-. Comment
  CHSC1834  Pedicularis attollens V. Holt 1932-7-10 Siskiyou Mt. Eddy. 1828 Comment
  HSC300  Pedicularis bracteosa var. flavida William J. Ferlatte 1966-8-17 387 Siskiyou Caribou Basin 1982 Comment
  JEPS10414  Pedicularis bracteosa var. flavida Geo. D. Butler 1910-7-10 1735 Siskiyou Shackleford Creek; Upper Campbell Lake 1524 Comment
  UC1409425  Pedicularis bracteosa var. flavida Frederick W. Oettinger 1968-8-3 378 Siskiyou High Lake Basins in vicinity of English Peak (in base camp meadow); Salmon Mountains, Marble Mountain Wilderness Area 2011 Comment
  HSC688  Pedicularis contorta William J. Ferlatte 1967-8-20 1064 Siskiyou Caribou Basin 1982 Comment
  RSA238824  Pedicularis flavida Frederick W. Oettinger 1968-8-3 378 Siskiyou Base camp near Diamond Lake. Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2012 Comment
  RSA211398  Pedicularis flavida William J. Ferlatte 1966-8-17 387 Siskiyou Caribou Basin; Trinity Alps. 1982 Comment
  CHSC99995  Pedicularis howellii L. P. Janeway 2008-7-25 9499 Siskiyou Klamath Ranges. Siskiyou Mountains; rock wall at head of Hello Canyon, 0.6 air km east of Kangaroo Mountain. 1834 Comment
  UC922343  Pedicularis racemosa Annie M. Alexander and Louise Kellogg 1949-7-22 5848 Siskiyou above lake under Mount Hemlock (at Sky High Valley); Marble Mountains, Paradise Lake 1920 Comment
  HSC86526  Pedicularis racemosa D. K. Imper 1987-7-21 Siskiyou 8 mi. E of Somes Bar 1372 Comment
  RSA425340  Pedicularis racemosa Louis C. Wheeler 1934-8-2 3021 Siskiyou Siskiyou Mountains: Head of Jaynes Canyon. 2073 Comment
  CAS-BOT-BC67686  Pellaea brachyptera Doris K. Kildale 1928-8-20 6591 Siskiyou Lily Pad Lake near Hancock Lookout. Comment
  POM120360  Pellaea breweri Geo D. Butler 1910-7-9 1718 Siskiyou Marble Mtn. 1677 Comment
  UC1212563  Penstemon anguineus Francia Chisaki, Helen K. Sharsmith 1959-8-20 4741 Siskiyou slopes of Etna Creek near junction with Mill Creek Inner North Coast Ranges, Etna Creek, nr Mill Creek (about half way between Etna and summit of grade) 1219 Comment
  UC1560411  Penstemon anguineus E. Joyal and D. Mehlman 1988-6-25 1276 Siskiyou Happy Camp-Takilma road at turn-off to Bolan Lake; Happy Camp-Takilma Road at turn-off to Bolan Lake 1524 Comment
  RSA165522  Penstemon anguineus Clare B. Hardham 1961-7-2 8061 Siskiyou Ridge west of Etha. Comment
  JEPS101470  Penstemon azureus var. azureus Dean W. Taylor 1972-7-4 1596 Siskiyou near Lily Pad Lake 3 miles west of Cook & Green Pass 1981 Comment
  RSA17738  Penstemon cinereus Elmer I. Applegate 1935-6-2 9268 Siskiyou Indian Wells; Lava Beds Nat'l Monument Comment
  CAS-BOT-BC265366  Penstemon davidsonii var. davidsonii David D. Keck 1938-8-18 11493 Siskiyou Horse Camp, not too near springs, around the mountain 2286 Comment
  UCD124066  Penstemon davidsonii var. davidsonii Dean Wm. Taylor 1975-8-14 5359 Siskiyou Mount Shasta: between Shasta Ski area and Green Butte. 2590 Comment
  HSC21012  Penstemon deustus D. M. Thomson 1965-8-7 179 Siskiyou Lava Beds National Monument, 1 mi. up cave loop road Comment
  UC1177927  Penstemon deustus var. pedicellatus Francia Chisaki and Gene B. Newcomb 1958-6-22 1155 Siskiyou at base of Black Butte just e Highway #99; at base of Black Butte Comment
  HSC26563  Penstemon gracilentus J. P. Smith, J. O. Sawyer 1972-8-20 5755 Siskiyou Slope of Mt. Hoffman 2134 Comment
  RSA739774  Penstemon gracilentus L. P. Janeway, B. Castro 2007-7-28 9129 Siskiyou High Cascade Range, Medicine Lake Highlands, just N of the N edge of Medicine Lake Glass Flow. 2109 Comment
  UC60948  Penstemon gracilentus Geo. B. Grant September 1902 5132 Siskiyou Horse Camp , Horse Camp (Mount Shasta) 2438 Comment
  POM251095  Penstemon gracilentus W. Bridge Cooke 1938-8-21 11547 Siskiyou Mt Shasta. Lava flats at Horse camp. 2439 Comment
  SEINET10432477  Penstemon humilis var. humilis Karl A. Vincent 1987-6-28 4441 Siskiyou Cascade Range, Mt. Shasta; between Mt. Shasta and the Whaleback, along Andesite - Military Pass Rd. ca 4.6 mi SE of jct. US 97 located 14.4 mi NE of Jct. US 97 and I-5 Business loop in Weed 1554 Comment
  UC1423447  Penstemon humilis var. humilis Noel H. Holmgren, James L. Reveal 1966-6-9 2680 Siskiyou US 97, Shasta Valley, 4 mi n Weed; Shasta Valley, n of Weed 1158 Comment
  HSC43836  Penstemon laetus subsp. laetus Maralyn O'Meara 1974-5-27 491 Siskiyou Along FS Rd. 47N03 1280 Comment
  HSC58889  Penstemon laetus subsp. sagittatus Marvin Butler 1971-7-27 211 Siskiyou Near Bell Echo Camp, close to the town of Cave Junction 1433 Comment
  SEINET10744645 Image available Penstemon laetus subsp. sagittatus H. E. Brown 1897-6-11 Brown 360 Siskiyou Collected North side Mt. Shasta. 1524 Comment
  UC585180  Penstemon laetus var. sagittatus E. B. Babcock, G. L. Stebbins Jr. 1936-6-11 1953 Siskiyou about 2 mi s Sheep Rock (n slope of Mt. Shasta, on highway from Bray to Weed); n slope Mt. Shasta, s of Sheep Rock 1249 Comment
  NY604556  Penstemon laetus var. sagittatus K. A. Vincent 1987-8-12 4511 Siskiyou Cascade Range, Mount Shasta; on lava flow between Mount Shasta and Whaleback, along Andesite - Military Pass Road, ca. 1 mile southeast of jct. US 97, ca. 14.4 miles northeast of jct. US 97 and I-5 Bus. Loop in Weed. 1432.6 Comment
  NY604579  Penstemon laetus var. sagittatus D. D. Keck 1940-6-13 5170 Siskiyou Weed, north side of town on Route 97. Observed to be ± continous to within 4 miles of Grass Lake. Comment
  POM44867  Penstemon laetus var. sagittatus Geo. D. Butler 1910-5-11 1338 Siskiyou Shasta Valley Comment
  RSA29475  Penstemon laetus var. sagittatus J. William Thompson 1936-7-8 13152 Siskiyou Lava slopes of Lava Beds Nat'l Monument. Comment
  HSC23  Penstemon newberryi subsp. berryi William J. Ferlatte 1966-6-22 75 Siskiyou Josephine Lake Basin 1677 Comment
  HSC2407  Penstemon newberryi subsp. berryi William J. Ferlatte 1966-8-5 333 Siskiyou Caribou Mtn. 2470 Comment
  HSC267  Penstemon newberryi subsp. berryi William J. Ferlatte 1967-8-21 1068 Siskiyou Sawtooth Ridge between Caribou Basin and Little S Fork Lake 2287 Comment
  SEINET10547626  Penstemon newberryi subsp. newberryi Mary Merello 1993-6-22 Merello 692 Siskiyou Shasta National Forest outside of Mt. Shasta City. Along Forest Service Road 26 to Lake Siskiyou. Mixed conifer forest along rocky, gravely slopes of the Sacramento River. 1090 Comment
  CAS-BOT-BC239334  Penstemon newberryi var. berryi L. E. Smith 1913-6-18 368 Siskiyou Road from Sisson to Castle Lake Comment
  NY627431  Penstemon newberryi var. berryi L. C. Wheeler 1935-6-27 3605 Siskiyou Head of Etna Creek, Marble Mountains 1798.3 Comment
  UCSB24889  Penstemon newberryi var. newberryi 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
  UCSB27383  Penstemon newberryi var. newberryi Wilken, Dieter 1969-7-26 Siskiyou Above summit of Mt. Shasta Ski Bowl Road; south slope of Mt. Shasta 3200 Comment
  CHSC31045  Penstemon parvulus M. S. Taylor 1980-7-8 3114 Siskiyou On ridge s of Castle Lake, above Hearts lake. 1879 Comment
  HSC74931  Penstemon parvulus J. P. Smith, Jennifer Whipple 1978-7-2 9974 Siskiyou Trail from Cook and Green Pass to Copper Butte. 1768 Comment
  NY629996  Penstemon parvulus F. W. Pennell 1940-7-17 26171 Siskiyou Northeastern slope, Salmon Mountains, west of Etna 1828.8 Comment
  UC164347  Penstemon parvulus Geo. D. Butler 1908-8-3 433 Siskiyou Log Lake , Log Lake (Shackleford Creek) Comment
  UC164348  Penstemon parvulus Geo. D. Butler 1910-7-8 1669 Siskiyou Shackleford Creek 1371 Comment
  UC164357  Penstemon parvulus Geo. D. Butler 1909-7-15 937 Siskiyou Highland Mine Comment
  HSC65006  Penstemon procerus var. brachyanthus D. L. Goforth 1979-7-19 256 Siskiyou Trinity Alps Wilderness Area, Caribou Lakes Basin, 0.3 mi. NW of upper lake 2134 Comment
  JEPS11637  Penstemon roezlii Geo. D. Butler 1908-6-28 431 Siskiyou L. Eastlicks Ranch , L. Eastlicks Ranch (Oro Fino) Comment
  UC585127  Penstemon roezlii E. B. Babcock and G. L. Stebbins Jr. 1936-6-11 1912 Siskiyou about 7 mi sw Yreka (s of highway from Yreka to Fort Jones); Forest House Mt. 1371 Comment
  NY650118  Penstemon roezlii F. W. Pennell 1940-7-16 26162 Siskiyou 5 miles southwest of Yreka 914.4 Comment
  POM42981  Penstemon roezlii Geo. D. Butler 1910-6-23 1601 Siskiyou Yreka Creek. Comment
  HSC101872  Penstemon rupicola R. D. Whittlesey 2013-6-4 2 Siskiyou Near Castella: 3.1 mi. north from State Park entrance up Castle Dome Trail. 1187 Comment
  JEPS19693  Penstemon rydbergii var. oreocharis Rimo Bacigalupi with S. Galen Smith and Geo. Bacigalupi Jr. 1957-6-27 5977 Siskiyou 20 mi ne Weed (alongside causeway traversing Grass Lake [U S Highway 97] on route between Klamath Lake and Weed); Grass Lake, btw Klamath Lake and Weed, ne of Week 1544 Comment
  CDA41991  Penstemon rydbergii var. oreocharis Vernon H. Oswald & Lowell Ahart 1998-6-11 9208 Siskiyou Dry Lake on the south side of Tennant Road, ca. 9 air miles east of Grass Lake, ca. 22 air miles northeast of Weed. Comment
  UC1303025  Penstemon speciosus A. A. Heller 1928-6-9 14605 Siskiyou near Yreka; near Yreka Comment
  UC725619  Penstemon speciosus A. A. Heller 1938-7-12 15249 Siskiyou 5 mi n Weed (along highway #97); n of Weed Comment
  JEPS107491  Perideridia lemmonii Lowell Ahart, John Dittes 2005-6-10 12112 Siskiyou Rocky hillside, north of the rock fence, about 100 yards southeast of the pump house along the Shasta River, about 1.9 miles (air) south of Highway 99/97 Cutoff, about 6 miles (air) east-southeast of Grenada 776 Comment
  HSC76863  Perideridia oregana K. T. Stillman 1976-9-9 480 Siskiyou Marble Mountain Wilderness Area. Big Rock Camp- Elk Valley Trail 1921 Comment
  JEPS14096  Perideridia oregana Ruby Van Deventer 1938-7-31 295 Siskiyou trail to Twin Valley 2 mi s Poker Flat (Siskiyou-Del Norte Co. line); Siskiyou Mountains 1280 Comment
  CDA38506  Perideridia oregana D. H. Shaw 1982-7-15 s.n. Siskiyou Bogus Creek Area, near Montague. 0 Comment
  UC1400335  Perideridia parishii subsp. latifolia Frederick W. Oettinger 1969-8-19 1459 Siskiyou slope of se aspect due s area bet. David Mountain and Abbots Lake Basin (and on old Tanners Peak Trail, w Siskiyou Co.); Salmon Mountains, Marble Mountain Wilderness Area 1905 Comment
  CAS-BOT-BC413737  Persicaria hydropiper Louis C. Wheeler 1934-9-20 3287 Siskiyou Lumgrey Creek, Siskiyou Mts. 670 Comment
  CAS-BOT-BC418940  Persicaria lapathifolia Alice Eastwood 1912-7-22 1312 Siskiyou Sisson Comment
  CAS-BOT-BC419263  Persicaria maculosa Doris K. Kildale 1928-7-25 5987 Siskiyou Klamath River, Mack's Creek near Hamburg 457 Comment
  HSC13621  Phacelia bicolor D. M. Thomson 1965-8-21 207 Siskiyou California Lava Beds National Monument, top of petroglyphs section Comment
  UC666544  Phacelia corymbosa W. L. Jepson 1914-8-14 6161 Siskiyou Dunsmuir 670 Comment
  UC794431  Phacelia hastata subsp. compacta W. Bridge Cooke 1949-8-22 25560 Siskiyou Summit Trail Mount Lassen Volcanic National Park 2895 Comment
  HSC46179  Phacelia heterophylla subsp. virgata Jennifer Whipple 1977-4-30 1880 Siskiyou Scott Valley near Weston Gulch on open hillsides 854 Comment
  JEPS107411  Phacelia heterophylla subsp. virgata Lowell Ahart, John Dittes 2005-6-9 12026 Siskiyou Hill, south of a rock fence, about 100 yards northeast 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
  UC60951  Phacelia heterophylla subsp. virgata Geo. B. Grant September 1902 5174 Siskiyou Sisson Mt. Shasta 914 Comment
  UC796504  Phacelia linearis Roxana S. Ferris and Laura Lorraine Jun 12 1948-Jun 16 1948 11832 Siskiyou between Callahan Gazelle; Gazelle Mountain Grade 1499 Comment
  JEPS2030  Phacelia mutabilis Willis L. Jepson 1894-8-4 21040 Siskiyou Horse Camp Comment
  UC221581  Phacelia mutabilis Dr. Edward Palmer Jul 13 1892-Jul 27 1892 2444 Siskiyou Mt. Shasta and vicinity Comment
  UC618690  Phacelia mutabilis W. Bridge Cooke 1938-7-15 11273 Siskiyou Wagon Camp-Horse Camp Trail Mt. Shasta Comment
  CDA40400  Phacelia mutabilis J. T. Howell 1939-8-2 14882 Siskiyou Spirit Lake, Marble Mountains. Comment
  HSC27649  Phacelia nemoralis subsp. oregonensis Carl W. Mize 1972-6-8 6 Siskiyou Along main trail 335 Comment
  RSA120902  Phacelia pringlei Milo S. Baker 1957-6-16 13152 Siskiyou Trip to Scott Mt. after turn off near Callahan. Comment
  JEPS1089  Phacelia procera Geo. D. Butler 1908-8-9 14 Siskiyou camp below Marble Mountain 1676 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
  UCD88525  Phalaris arundinacea B. A. Madson Date Unknown s.n. Siskiyou 3 miles N of Tulelake. 1219 Comment
  CAS-BOT-BC77410  Philadelphus lewisii Volney Rattan 1879-1-1 s.n. Siskiyou Siskiyou Mts. Comment
  UC69386  Philadelphus lewisii T. H. Gilbert Jun 15 1899-Jul 15 1899 Siskiyou Scott River Valley Comment
  UC909474  Philadelphus lewisii J. H. Thomas 1949-6-16 954 Siskiyou 1/4 mi n Beaver Creek Public Camp (along Beaver Creek 5 mi n of junction <with> Klamath River); Klamath National Forest Comment
  CAS-BOT-BC77409  Philadelphus lewisii C. H. M. 1907-9-26 s.n. Siskiyou Klamath Canyon near Shovel Creek Comment
  HSC58858  Phleum alpinum Marvin Butler 1971-7-19 284 Siskiyou Near Mary's Meadow, close to the town of Cave Junction. 1464 Comment
  UC618878  Phleum alpinum W. Bridge Cooke 1938-9-17 11688 Siskiyou Mount Shasta; Horse Camp Comment
  UCD37075  Phleum alpinum Beecher Crampton 1956-8-21 3806 Siskiyou Siskiyou County, 15 miles southwest of city of Mount Shasta, slope above Gumboot Lake, headwater of south fork of Sacramento River. 1920 Comment
  HSC81581  Phlox diffusa subsp. diffusa Thomas W. Nelson, Jane P. Nelson 1980-7-17 6085 Siskiyou Along FS Rd. 17, 1 mi. N of summit at county line 2073 Comment
  UC880435  Phlox douglasii subsp. rigida A. A. Heller 1915-7-15 12084 Siskiyou Mt. Eddy 2072 Comment
  RSA233661  Phlox douglasii subsp. rigida R. F. Thorne, Frederick W. Oettinger 1969-8-10 3900 Siskiyou Mount Shasta National Forest; south slope of Mt. Shasta at base of boulders. 2378 Comment
  SEINET5732304 Image available Phlox rigida Sandy Holloway 1963-1 23 Siskiyou Humbug Road, 1.5 miles west of Hawkinsville.; Hawkinsville 914 Comment
  HSC36942  Phlox speciosa subsp. occidentalis J. P. Smith 1974-5-26 7585 Siskiyou Along FS Rd. 47N03, 1/4 mi. NE of Chandler Glade 1768 Comment
  POM75052  Phlox speciosa subsp. occidentalis Geo D. Butler 1910-4-15 1175 Siskiyou Yreka. Comment
  UC1039905  Phoradendron densum James Weir 1916-1 9361 Siskiyou Siskiyou Nat'l Forest Comment
  UC403987  Phoradendron libocedri Mrs. K. J. Stirring 1904-1 Siskiyou Etna Mills Comment
  CAS-BOT-BC171214  Phoradendron serotinum subsp. tomentosum Alice Eastwood 1922-10-18 11512 Siskiyou Shasta Springs Comment
  CAS-BOT-BC56497  Phyllodoce empetriformis A. A. Heller 1915-8-26 12227 Siskiyou Heather meadow near the head of Wagon creek canyon, Mt. Eddy 2590 Comment
  CAS-BOT-BC56502  Phyllodoce empetriformis Geo. B. Grant 1902-9-7 s.n. Siskiyou Horse Camp, Mt. Shasta, N. Cal. 2438 Comment
  JEPS66651  Phyllodoce empetriformis W. L. Jepson 1907-7-6 2850 Siskiyou Ridge above Cudahay Valley (Marble Mountain region); Marble Mountain region Comment
  SD219029  Phyllodoce empetriformis R. F. Thorne, Frederick W. Oettinger 1969-8-4 63364 Siskiyou Klamath National Forest, Salmon Mountains, Marble Mountain Wilderness Area, high lake basins in the vicinity of English Peak. 2097 Comment
  UC142759  Phyllodoce empetriformis J. W. Congdon 1900-8-13 Siskiyou Mount Shasta Comment
  UC922458  Phyllodoce empetriformis Annie M. Alexander and Louise Kellogg 1949-7-28 5876 Siskiyou Marble Mountains, Sky High Valley Sky High Valley; Marble Mountains, Sky High Valley 1767 Comment
  CAS-BOT-BC60775  Physaria occidentalis A. M. Vollmer; L. Beane 1951-5-31 24 Siskiyou Scott Mountain, near highway. Comment
  CAS-BOT-BC140489  Physocarpus Alice Eastwood 1917-9-2 6651 Siskiyou Shasta Springs Comment
  CAS-BOT-BC140599  Physocarpus capitatus Doris K. Kildale 1928-7-25 5911 Siskiyou Klamath River at Mack's Creek near Hamburg Comment
  CAS-BOT-BC140608  Physocarpus capitatus Copeland 1903-9-6 3858 Siskiyou Mt. Eddy Comment
  OBI10127  Physocarpus capitatus H. E. McMinn 1931-6-27 2512 Siskiyou Shasta City Comment
  CAS-BOT-BC228582  Picea breweriana Peter W. Fritsch; James R. Shevock; Lu Lu 2012-6-20 1935 Siskiyou Russian Wilderness, Klamath National Forest. Along Sugar Creek Trail to Sugar Lake from trailhead off forest road 41N14 1755 Comment
  CAS-BOT-BC73430  Picea breweriana J. G. Lemmon 1889-10-18 s.n. Siskiyou Siskiyou Mts., near Waldo. Comment
  NY30092  Picea breweriana P. Bennett 1928-7-11 s.n. Siskiyou This specimen represents an endangered or threatened species. The specific locality has been removed from this record to protect this species from over-collection. These data may be supplied to researchers on request. Comment
  SEINET10530626  Picea engelmannii Berriman 1940-8-30 BERRIMAN UMO 135802 Siskiyou Canyon bottom; Sugar Creek, a tributary of the Scott River, Mount Diablo Meridian. 1433 Comment
  CAS-BOT-BC78496  Pinus contorta subsp. murrayana W. B. C. 1938-8-24 11585 Siskiyou Along the Round-the-Mountain road 1798 Comment
  HSC32544  Pinus contorta var. murrayana Steven Lagos 1974-5-26 81 Siskiyou Little Duck Lake and the ridge above it, Bulk Collection # 57 2073 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
  HSC69710  Pinus monticola Maralyn A. Renner 1980-7-15 1774 Siskiyou English Lake inlet 1780 Comment
  LA6146  Pinus ponderosa W. B. C.; 1939-7-26 13789 Siskiyou Mount Shasta, along the Sisson Southern Trail 1676 Comment
  UC618741  Pinus ponderosa unknown 1938-9-2 11597 Siskiyou Sisson Southern Trail Mount Shasta (Transition zone forest and chaparral belts around mountain) 1524 Comment
  CAS-BOT-BC72817  Pinus sabiniana Frank Callahan 2006-9-1 s.n. Siskiyou Forks of Salmon 7.5', south fork 381 Comment
  JEPS64436  Piperia elongata W. L. Jepson 1894-7-1 21278 Siskiyou Sisson Comment
  CAS-BOT-BC228037  Plagiobothrys A. A. Heller 1929-5-4 14855 Siskiyou Along US Highway 99 about 3 miles S of Yreka Comment
  JEPS77495  Plagiobothrys bracteatus Susan Horner 1978-6-30 403 Siskiyou about 4 mi sse Hambone (on road between 40NO5 and Sand Flat Well, vernal flat below road) Comment
  SEINET15345844  Plagiobothrys greenei L. C. Wheeler 1935-5-18 3502 Siskiyou Yreka Creek, Siskiyou Mts. 853 Comment
  CAS-BOT-BC231001  Plagiobothrys hispidulus K. T. Stillman 1976-6-26 119 Siskiyou Near Bear Lake, Marble Mountain Wilderness Area 1828 Comment
  SBBG28858  Plagiobothrys hispidulus L. C. Wheeler 1934-7-3 2869 Siskiyou Soda Crk, Sterling Mtn, Siskiyou Mtns 1676 Comment
  JEPS69750  Plagiobothrys hispidus W. B. and V. G. Cooke 1972-6-30 45416 Siskiyou above Andesite Crossing (Military Pass Road); Mt. Shasta 1524 Comment
  POM72155  Plagiobothrys tenellus Geo. D. Butler 1909-4-18 633 Siskiyou Yreka. Comment
  POM196578  Plantago eriopoda A. A. Heller 1927-8-2 14442 Siskiyou Near Gazelle, Shasta Valley. Comment
  HSC67711  Platanthera dilatata var. leucostachys John S. Palmer 1980-7-24 611 Siskiyou Elk Hole 1503 Comment
  HSC69212  Platanthera dilatata var. leucostachys Maralyn A. Renner 1980-7-24 2083 Siskiyou Lily Pad Lake 1768 Comment
  HSC32018  Platanthera sparsiflora A. Montalvo, J. D. Ackerman 1974-7-2 353 Siskiyou Along road to Middle Fork Sacramento River and Toad Lake. West of Mt. Shasta City Comment
  RSA78325  Platanthera sparsiflora Philip A. Munz 1952-7-1 17860 Siskiyou Baldy Mtn road, NW of Happy Camp, Siskiyou Mts. 1220 Comment
  UC164461  Plectritis macrocera Geo. D. Butler 1910-3-24 1139 Siskiyou Shasta River hills Comment
  HSC65855  Pleuricospora fimbriolata Gail Newton 1980-6-20 544 Siskiyou Near Bald Mtn. 1326 Comment
  CAS-BOT-BC261039  Poa Gilbert Muth 1966-7-31 477 Siskiyou North side of Black Mountain, Marble Mts. 2057 Comment
  CAS-BOT-BC244383  Poa annua Doris K. Kildale 1928-7-3 5417 Siskiyou Forks of Salmon River Comment
  CAS-BOT-BC6490  Poa bolanderi Harley Pierce Chandler 1901-6-1 1703 Siskiyou Near Marble Mountain, Shackleford Canyon 1524 Comment
  UCD90541  Poa bolanderi Francia Chisaki; Helen Sharsmith 1959-8-20 4733 Siskiyou on Carrigher's Summit. Divide between Scott River and East Fork Salmon River. 1981 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
  HSC65375  Poa compressa J. P. Smith 1973-5-5 6549 Siskiyou Scott Bar along the Scott River Comment
  JEPS73748  Poa compressa George D. Butler 1908-7-1 485 Siskiyou Butler's Ranch near Yreka; Butler's Ranch 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
  SEINET10660678  Poa laevigata A. Arthur Heller 1905-6-19 Heller 8070 Siskiyou Grenada Station. Comment
  POM112585  Poa nervosa Geo D. Butler 1910-5-10 1318 Siskiyou Goosenest foothills 1677 Comment
  RSA238410  Poa pratensis Frederick W. Oettinger 1969-8-5 1191 Siskiyou English Lake to Abbotts. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. Comment
  RSA715659  Poa pratensis L. Ahart 2005-6-10 12125 Siskiyou On a poor dirt road, about 80 yards north of the pump house along the Shasta River, about 1.9 miles (air) south of Highway 99/97 Cutoff, about 6 miles (air) east-southeast of Grenada. 777 Comment
  CHSC86460  Poa pratensis subsp. pratensis Jenny Marr 1993-7-1 77 Siskiyou Butte Valley Wildlife Area, +/- 7 air miles NW of the town of MacDoel. Meadow NE of Meiss Lake. 1349 Comment
  LA12614  Poa pringlei Jason Swallen; 1939-7-26 13762 Siskiyou Mt. Shasta, Along the Summit Trail below Lake Helen 2895 Comment
  POM198428  Poa secunda Geo D. Butler 1910-7-12 1749 Siskiyou Shackleford Creek 1220 Comment
  UCD148981  Poa secunda subsp. juncifolia G. Douglas Barbe; T. C. Fuller, J. T. Howell 1980-4-28 2587 Siskiyou between Old Highway 99 and railroad at Truttman Lane, 2.3 km south of Grenada. 800 Comment
  HSC31101  Poa secunda subsp. secunda Frederick W. Oettinger, R. F. Thorne 1969-8-6 1223 Siskiyou Marble Mtn. Wilderness Area, S side of Pine Lake. 1951 Comment
  HSC39635  Poa secunda subsp. secunda J. P. Smith, J. O. Sawyer 1972-6-30 5644 Siskiyou Ridge W of Little Duck Lake. 2378 Comment
  HSC92149  Poa wheeleri Jennifer Whipple 1976-6-30 1194 Siskiyou SE slope of Mt. Eddy, draining into the N Fork of the Sacramento River 2226 Comment
  UC939437  Polemonium carneum E. L. Greene 1876-6-5 796 Siskiyou near Yreka; near Yreka Comment
  UC538028  Polemonium chartaceum David H. Johnson 1934-6-11 Siskiyou Dobkins Lake , Dobkins Lake (Mt. Eddy) 1828 Comment
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Jul 22 2018
  CAS-BOT-BC313714  Polemonium eddyense R. Stubbs 2010-7-15 015 Siskiyou Mt Eddy in the Klamath Mts. On trail leading to summit. First plants on S aspect along trail. Plants also on summit 2749 Comment
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Jul 6 2020
  UCD118481  Polemonium micranthum R. N. Raynor 1940-4-16 s.n. Siskiyou Dorris. Comment
  SEINET11263756  Polygala cornuta George Neville Jones 1967-6-29 45675 Siskiyou Near Dunsmuir, lower slopes of Mt. Shasta.; 0 914 Comment
  CAS-BOT-BC170340  Polygala cornuta var. cornuta Doris K. Kildale 1925-9-6 1293 Siskiyou Somes Bar, near junction of Salmon & Klamath River 243 Comment
  JEPS25541  Polygala cornuta var. cornuta Rimo Bacigalupi with Lincoln Constance 1959-6-17 7158 Siskiyou slopes across from junction of Big Springs Road with US 97 (4 mi ne of Weed) 1066 Comment
  POM299532  Polygala cornuta var. cornuta Marion Ownbey, Fred G. Meyer 1940-7-3 2164 Siskiyou 7 mi. northwest of McCloud. Comment
  POM86388  Polygala cornuta var. cornuta Edward Palmer 1892-7-12 2471 Siskiyou Mt. Shasta and vicinity Comment
  UC572802  Polygonum aviculare subsp. aviculare W. Bridge Cooke 1937-8-6 9187 Siskiyou Bear Spring Mt. Shasta 1524 Comment
  CAS-BOT-BC414278  Polygonum aviculare subsp. depressum A. A. Heller 1915-8-24 12207 Siskiyou Metcalf's ranch, northeast base of Mt. Eddy 1188 Comment
  CAS-BOT-BC414395  Polygonum californicum Louis C. Wheeler 1934-6-21 2747 Siskiyou West Fork Cottonwood Creek, Siskiyou Mts. 1005 Comment
  POM104466  Polygonum davisiae Geo. D. Butler 1910-7-8 1677 Siskiyou Shackleford Creek. 1829 Comment
  UC618624  Polygonum douglasii subsp. douglasii W. Bridge Cooke 1938-8-5 11447 Siskiyou MacBride Springs Mount Shasta Comment
  RSA96964  Polygonum douglasii subsp. spergulariiforme Percy C. Everett, E. K. Balls 1954-10-13 20278 Siskiyou Chiefly along roadside, Seiad Creek, road to Kangaroo Mt, 6.7 miles NE from Hwy 96. 701 Comment
  RSA184723  Polygonum kelloggii Gilbert Muth 1966-7-19 425 Siskiyou Horse pasture above camp, Marble Mtns. 1799 Comment
  JEPS74500  Polygonum minimum W. J. Ferlatte 1966-8-18 417 Siskiyou between campground Carter's; Trinity Alps, South Fork of the Salmon River 1524 Comment
  CAS-BOT-BC418589  Polygonum minimum J. M. Tucker; L. K. Mann 1963-8-17 3743 Siskiyou Beside trail from Red Rock Valley to top of ridge to south, and near top of ridge; Marble Mountain Wilderness Area 1889 Comment
  CAS-BOT-BC418593  Polygonum minimum Louis C. Wheeler 1934-8-22 3207 Siskiyou Dead Cow Creek, Siskiyou Mts. 1828 Comment
  UCD100494  Polygonum minimum J. M. Tucker; L. K. Mann 1963-8-17 3743 Siskiyou Beside trail from Red Rock Valley to top of ridge to south, and near top of ridge, Marble Mountain Wilderness Area. 1859 Comment
  SEINET10904455  Polygonum newberryi Mary Susan Taylor 1980-8-19 Taylor 3269 Siskiyou T43N R2E se sec 23, Medicine Lake quad. Shasta-Trinity Natl Forest, in pumice, on Paint Pot Crater. With J. Prouty & E. Heinz. 1920 Comment
  SEINET3160424  Polygonum phytolaccifolium G. D. Butler 1910-7-8 1674 Siskiyou Upper Campbell Lake 1676 Comment
  UCR37850  Polygonum phytolaccifolium K. T. Stillman 1976-6-25 79 Siskiyou Marble Mountain Wilderness Area. On north side of Elk Valley 1799 Comment
  CHSC86639  Polygonum polygaloides subsp. confertiflorum Jenny Marr 1993-7-1 22 Siskiyou Butte Valley Wildlife Area, +/- 7 air miles NW of the town of MacDoel. Meadow NW of Meiss Lake. 1349 Comment
  HSC27507  Polygonum polygaloides subsp. kelloggii J. P. Smith, J. O. Sawyer 1972-5-27 5357 Siskiyou Hwy. 3 near the Scott Mtn. Campground on divide between Scott and Trinity Rivers 1601 Comment
  HSC30231  Polygonum polygaloides subsp. kelloggii William J. Ferlatte 1968-6-8 1134 Siskiyou Big Flat, near public camp 1524 Comment
  CAS-BOT-BC109288  Polygonum shastense G. A. Coleman 1901-8-17 s.n. Siskiyou Mount Shasta. 2529 Comment
  JEPS40856  Polygonum shastense Paul C. Hutchison 1962-8-2 935 Siskiyou between Panther Meadow and top of ski lift; Mt. Shasta 2621 Comment
  HSC19186  Polygonum spergulariiforme J. O. Sawyer 1968-9-10 686 Siskiyou Below Young's Meadow on Clear Creek. 1372 Comment
  HSC46074  Polypodium californicum J. P. Smith, Steve Selva 1970-6-14 3877 Siskiyou Road to Steinacher Creek near Somes Bar. 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
  HSC79148  Polystichum imbricans C. J. Thomas 1983-10-1 99 Siskiyou 0.75 mi. from Indian Scotty campground on gravel rd. to Paradise Lake 854 Comment
  HSC79157  Polystichum imbricans C. J. Thomas 1983-10-1 107 Siskiyou 0.75 mi. from Indian Scotty campground on gravel rd. to Paradise Lake 854 Comment
  CHSC106833  Polystichum lemmonii Barbara Ertter 1990-7-16 9374 Siskiyou NW side of Mt Eddy ca 8 airmiles SW of Weed, ca1-2 mi E of Park Cr Trailhead (=crest of Rt 17) along ridge, rivulet and stringer meadow on steep N-facing rocky slope. 2286 Comment
  POM197154  Polystichum lemmonii J. G. Lemmon 1889-09 s.n. Siskiyou Mt. Eddy Comment
  RSA85033  Polystichum lemmonii P. A. Munz 1934-8-14 3137 Siskiyou North side of White mountains 1768 Comment
  CAS-BOT-BC72400  Polystichum lonchitis Louis C. Wheeler 1934-8-10 3100 Siskiyou Dead Cow Creek, Siskiyou Mts. 1889 Comment
  HSC29433  Polystichum lonchitis Frederick W. Oettinger 1968-8-6 421 Siskiyou Marble Mtn. Wilderness Area,W slope on SE corner of Hancock Lake 1951 Comment
  LA204823  Polystichum lonchitis Lawrence L. Kiefer; 1963-8-9 732 Siskiyou Klamath Mts., Castle Lake, bluff at the S end of the lake 2133 Comment
  SBBG19505  Polystichum lonchitis L. L. Kiefer 1963-8-9 732 Siskiyou Castle Lake, rocks at S end of lake 2133 Comment
  RSA237508  Polystichum lonchitis Frederick W. Oettinger 1968-9-1 656 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-BC72509  Polystichum scopulinum Peter H. Raven 1956-9-4 10385 Siskiyou ridge S. of Mt. Eddy 2286 Comment
  CAS-BOT-BC72510  Polystichum scopulinum Elizabeth McClintock; Wayne Roderick; Martha Roderick 1967-7-29 s.n. Siskiyou Road to Mumbo Basin, Trinity Mts. 1889 Comment
  UC1584626  Polystichum scopulinum Dean W. Taylor 1975-8-14 5461 Siskiyou between Shasta Ski area and Green Butte; Mt. Shasta 2590 Comment
  CDA42711  Polystichum scopulinum T. C. Fuller, D. H. Shaw 1974-9-24 20042 Siskiyou Summit of the Siskiyou Mountains above Pacific Crest Trail, summit of the Siskiyou Mountains, east of White Mountain. 0 Comment
  CAS-BOT-BC108545  Populus balsamifera Frank Callahan 2007-5-1 s.n. Siskiyou Moffett Creek 883 Comment
  HSC28674  Populus tremuloides Frederick W. Oettinger 1968-8-17 558 Siskiyou Marble Mtn. Wilderness Area, N of Pine Lake 1860 Comment
  CAS-BOT-BC102954  Populus trichocarpa Gilbert Muth 1966-7-19 421 Siskiyou Marble Gap Trail, along 1st bluff, Marble Mts. 1828 Comment
  HSC2240  Populus trichocarpa Geo. D. Butler 1910-4-16 1177 Siskiyou Yreka Creek Comment
  JEPS24796  Potamogeton alpinus subsp. tenuifolius Rimo Bacigalupi with Drs. Reino and Aloha Alava 1958-9-1 6805 Siskiyou headwaters of Sacramento River (off the southwestern shore of Castle Lake); Castle Lake 1661 Comment
  UC1100073  Potamogeton pectinatus Verne Grant, Irving Schneider 1947-8-26 8289 Siskiyou 1/2 mi w of Tulelake Comment
  HSC100794  Potamogeton pusillus var. tenuissimus Lowell Ahart, John Dittes 2010-7-30 16963 Siskiyou In the Shasta river, ~30 yd. NW of the East Louie Road Bridge, Shasta Big Springs Ranch, 1.6 (air) mi. SW of Big Springs Lake, 4.6 (air) mi. NW of Dwinnel Dam, and 5.7 (air) mi. SE of Grenada. 717 Comment
  CAS-BOT-BC438791  Potamogeton richardsonii Dana York; Jim Shevock 2012-7-20 3114 Siskiyou Klamath/Siskiyou Mts. Klamath National Forest, 4 km W-SW of Cook and Green Pass, in Lily Pad Lake. 1735 Comment
  UC1560739 Image available Potentilla cristae W. J. Ferlatte 1988-8-10 2115 Siskiyou n-facing slope e Cory Peak (above headwaters of Cabin Meadow Creek); China Mt. se Quad., abv headwaters Cabin Meadow Creek 2194 Comment
  CAS-BOT-BC143255  Potentilla flabellifolia John Thomas Howell 1937-7-24 13398 Siskiyou Caribou Basin, Salmon-Trinity Alps 2286 Comment
  CDA26077  Potentilla flabellifolia Gordon Leppig, J. Kalt 1996-7-9 390 Siskiyou Northern California Peatlands; Klamath National Forest, Russian Wilderness, Little Duck Lake Fen, in cirque west of Little Duck Lake. Comment
  RSA211468  Potentilla flabellifolia William J. Ferlatte 1966-8-17 390 Siskiyou Caribou Basin; Trinity Alps. 1982 Comment
  RSA68938  Potentilla glandulosa subsp. ashlandica A. E. Culbertson 1943-7-17 20 Siskiyou Castle Lake, in a north facing cirque with an abrupt 1000' backwall, 14 miles s.w. of Mt Shasta on n. side of a 6600' eastern spur of Trinity Mts.; 2000' above Sacramento R. within 10 air miles of its headwaters to the west. 1657 Comment
  UC164066  Potentilla gracilis Geo. D. Butler 1908-6-28 288 Siskiyou Oro Fino Comment
  UC860686  Potentilla gracilis A. A. Heller 1915-8-26 12232 Siskiyou n side of Mt. Eddy 1981 Comment
  UC454983  Potentilla gracilis var. fastigiata I. J. Condit 1909-8-23 Siskiyou near Sisson; Castle Lake, near Sisson 1828 Comment
  CAS-BOT-BC540566  Potentilla gracilis var. fastigiata Dorothy Parker 1950-7-2 467 Siskiyou Scott Valley 853 Comment
  UC538009  Potentilla millefolia Leo Whitney 1934-6-10 3035 Siskiyou Tennant Dorris Quad., , Tennant (Antelope Creek) 1219 Comment
  UCR38390  Potentilla millefolia G. R. Ballmer, G. F. Pratt 1985-6-19 s.n. Siskiyou Trinity Mtns, Gumboot Lake, west of Dunsmuir 1829 Comment
  CAS-BOT-BC158531  Potentilla millefolia Frank Gould; Kay H. Beach 1940-5-16 644 Siskiyou About 24 miles north of Weed on the road to [Klammath] Klamath Falls Comment
  CAS-BOT-BC158532  Potentilla millefolia L. E. Smith 1913-5-18 269 Siskiyou Gazelle Comment
  CHSC88109  Potentilla millefolia var. klamathensis Jenny Marr 1993-7-1 119 Siskiyou Butte Valley Wildlife Area, +/- 7 air miles NW of the town of MacDoel. Meadow NW of Meiss Lake. 1349 Comment
  UC2062454  Potentilla newberryi Barbara Ertter 2015-10-4 22452 Siskiyou East end of Grass Lake on Highway 97, south side of highway. 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-BC516386  Prosartes hookeri Doris K. Kildale 1929-8-24 9078 Siskiyou Rattlesnake Meadow, trail to Preston Peak Comment
  HSC58847  Prunus emarginata Marvin Butler 1971-7-7 45 Siskiyou Near El Capitan, close to the town of Cave Junction 1464 Comment
  RSA184732  Prunus emarginata Gilbert Muth 1966-7-8 373 Siskiyou Marble Valley Meadow, Marble Mountains. 1793 Comment
  UCSB12914  Prunus emarginata Breedlove, Dennis 1962-6-11 Siskiyou Along State Highway 89, 8.0 miles east of McCloud; Cascade Mountains 1127 Comment
  UC164300  Prunus subcordata Geo. D. Butler 1910-4-12 1170 Siskiyou Yreka Creek Comment
  CAS-BOT-BC151247  Prunus virginiana var. demissa Edward Lee 1934-8-14 1101 Siskiyou Little Grayback, near and at summit, Siskiyou-Del Norte County line. 1868 Comment
  HSC76874  Prunus virginiana var. demissa K. T. Stillman 1976-6-26 136 Siskiyou Marble Mtn. Wilderness Area, Kings Castle 2134 Comment
  HSC506  Pseudostellaria jamesiana William J. Ferlatte 1967-6-27 535 Siskiyou Big Flat 1524 Comment
  UC1185304  Pseudostellaria jamesiana H. E. Brown 1897-6-10 Siskiyou near Sisson; near Sisson 1083 Comment
  HSC27953  Pseudotsuga menziesii var. menziesii Carl W. Mize 1972-9-23 115 Siskiyou 0.5 mi from end of Steinacher Creek Rd. 884 Comment
  HSC36736  Pseudotsuga menziesii var. menziesii Brent Whitely 1975-6-21 11 Siskiyou 223 Comment
  UC401305  Pseudotsuga menziesii var. menziesii Geo. D. Butler 1908-7-20 522 Siskiyou Humbug Mountain Comment
  UC55662  Pseudotsuga menziesii var. menziesii Harley P. Chandler 1901-6-1 1685 Siskiyou Marble Mountain North Coast Ranges, Marble Mountain 2438 Comment
  CAS-BOT-BC361903  Psilocarphus tenellus Louis C. Wheeler 1934-6-2 2605 Siskiyou Klamath National Forest. Cherry River, Klamath R. 518 Comment
  CHSC9490  Pteridium aquilinum var. pubescens J. F. Goodwin 1971-7-3 134 Siskiyou 0.1 mi. south of road at Multiple Use area. 4.9 mi. south of Mt. Shasta Ski Bowl area. 1889 Comment
  RSA238569  Pterospora andromedea Frederick W. Oettinger 1968-9-6 730 Siskiyou On ridge top due NEE of Tom's Lake above the trail from English Peak to Hancock Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2149 Comment
  SEINET193347  Pteryxia terebinthina var. californica Lincoln Constance, Reed C. Rollins 1942-5-14 2924 Siskiyou Road to Walker Post Office 4 miles west of Yerka. 1219 Comment
  CAS-BOT-BC228581  Purshia tridentata Peter W. Fritsch; James R. Shevock; Lu Lu 2012-6-21 1936 Siskiyou Shasta Valley, about 11 km NE of Weed along U.S. Highway 97, just past road to Lake Shastina 1082 Comment
  POM215864  Purshia tridentata var. tridentata Louis C. Wheeler 1935-6-13 3571 Siskiyou Mill Creek. Quartz Valley. 945 Comment
  RSA121381  Purshia tridentata var. tridentata G. D. Barbe 1955-6-28 13 Siskiyou 0.4 mile N of Callahan 1006 Comment
  CAS-BOT-BC460860  Pyrola aphylla Volney Rattan 1879-6-1 s.n. Siskiyou Klamath Comment
  HSC30459  Pyrola asarifolia subsp. asarifolia Frederick W. Oettinger 1969-8-14 1364 Siskiyou Marble Mtn. Wilderness Area, inlet to Upper English Lake 1768 Comment
  RSA238561  Pyrola californica Frederick W. Oettinger 1968-8-7 441 Siskiyou Along inlet stream to Tobacco Lake and due SW of it. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1890 Comment
  HSC44709  Pyrola dentata J. Sawyer, E. Cope 1977-6-18 2921 Siskiyou Along Clear Creek Trail between Ten Mile Creek and Bear Pen Creek 610 Comment
  RSA0080478  Pyrola dentata R. F. Thorne 1969-8-2 63391 Siskiyou Klamath National Forest, Salmon Mountains: Marble Mtn Wilderness, along trail to English Peak. 1159 Comment
  UC922448  Pyrola picta Annie M. Alexander and Louise Kellogg 1949-7-28 5878 Siskiyou Marble Mountains, Sky High Valley Sky High Valley; Marble Mountains, Sky High Valley 1767 Comment
  CAS-BOT-BC466130  Pyrola picta John Thomas Howell 1937-7-26 13520 Siskiyou Caribou Basin, Salmon-Trinity Alps 2286 Comment
  HSC60913  Pyrola picta Al Hobart Siskiyou Black Butte Comment
  CAS-BOT-BC362390  Pyrrocoma racemosa var. racemosa Geo. D. Butler 1910-8-21 1843 Siskiyou Shasta Valley Comment
  HSC73453  Quercus chrysolepis Grunert 36 Siskiyou Rd. 41N41 8 mi from Hwy. 3 1463 Comment
  UC5540  Quercus chrysolepis W. H. Brewer 1862-8-21 1327 Siskiyou near Mount Shasta 609 Comment
  CAS-BOT-BC94666  Quercus garryana Marion Ownbey; Fred G. Meyer 1940-7-8 2229 Siskiyou Summit of Siskiyou Mountains, 21 miles N of Happy Camp. Comment
  JEPS24012  Quercus garryana Rimo Bacigalupi with Drs. Reino and Aloha Alava 1958-9-3 6873 Siskiyou 2 mi w State Hwy 96 jct with U.S. Hwy 99 (at mouth of Shasta River) (at bridge over Ash Creek); Canyon of the Klamath River, Ash Creek 563 Comment
  CAS-BOT-BC62755  Quercus garryana var. breweri John Thomas Howell 1934-7-4 12384 Siskiyou Lava flow between Timbered Crater and Little Hot Springs Valley Comment
  UCD46071  Quercus garryana var. garryana Frank C. Vasek 1975-6-29 750629 7A Siskiyou 2.3 miles east of Callahan, Siskiyou County, California. Comment
  CAS-BOT-BC104346  Quercus sadleriana Arthur Menzies 1961-7-1 s.n. Siskiyou Cook & Green Pass, Siskiyou Mts., Klamath National Forest Comment
  HSC68333  Quercus sadleriana Maralyn A. Renner 1980-6-26 1237 Siskiyou SE edge of Flint Valley. 1390 Comment
  UC1212136  Quercus sadleriana Reino Alava, Aloha Alava, and Rimo Bacigalupi 1958-9-3 2454 Siskiyou at the junction of the road to Poker Flat and the road from Happy Camp to Takilma 1376 Comment
  UC552335  Quercus sadleriana Rimo Bacigalupi 1935-10-21 2369 Siskiyou summit of road from Waldo, Oregon to Happy Camp (Del Norte-Siskiyou County line); Siskiyou Mountains Comment
  UCD14455  Quercus sadleriana John M. Tucker 1972-8-8 4246 Siskiyou California, Siskiyou Co.; Marble Mountains, trail from Whiskey Camp to Elk Peak, ca. 2.5 mi. west-southwest of Marble Valley Guard Station (extreme southeast corner of Section 20, R. 11W., T. 42N); Comment
  UCD47260  Quercus sadleriana John M. Tucker 1972-8-8 4247 A Siskiyou (Q. garryana Hook. var. breweri (Engelm.) Jepson). California, Siskiyou Co.; Marble Mountains, trail from Whiskey Camp to Elk Peak, ca. 2.5 mi. west-southwest of Marble Valley Guard Station (extreme southeast corner of Section 20, R.11W., T.42N. 1828 Comment
  OBI14234  Quercus sadleriana R. Rimo Bacigalupi 1935-10-20 Siskiyou Summit of Indian Cyn rd, above Happy Camp on road to Walker, Oregon 457 Comment
  CAS-BOT-BC104621  Quercus vacciniifolia Doris K. Kildale 1928-8-20 6587 Siskiyou Lily Pad Lake, near Hancock Lookout on trail to Marble Mt. Comment
  CAS-BOT-BC104622  Quercus vacciniifolia Doris K. Kildale 1929-8-24 8835 Siskiyou Preston Peak 2225 Comment
  CAS-BOT-BC104644  Quercus vacciniifolia Edward Lee 1934-8-13 1066 Siskiyou Happy Camp to Waldo (Oregon) road, watershed of West Branch of Indian Creek, Klamath National Forest Comment
  RSA237819  Quercus vacciniifolia Frederick W. Oettinger, Robert F. Thorne 1969-8-6 1252 Siskiyou Southwest-facing slope of lower Toms Lake Basin. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1860 Comment
  RSA99973  Ranunculus alismifolius var. hartwegii Geo. D. Butler 1910-5-10 1322 Siskiyou Bulls Meadow, Goosenest Mt. 1677 Comment
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Jan 23 2011
  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
  CHSC91256  Ranunculus cymbalaria var. saximontanus Lowell Ahart; John Dittes 2005-6-9 12040 Siskiyou Meadow area along a small drainage, on the west side of a poor rock fence, about 200 yards east of where cattle water in the Shasta River, about 3/5 mile (air) south of Highway 99/97 Cutoff, about 2 1/2 miles (air) east-southeast of Grenada. 774 Comment
  UC375275  Ranunculus flammula Geo. D. Butler 1908-8-10 356 Siskiyou waterhole above Log Lake (Shackleford Creek); Shackleford Creek 1524 Comment
  POM100034  Ranunculus occidentalis Geo. D. Butler 1909-3-14 507 Siskiyou Dry ditch near Yreka Comment
  RSA604737  Ranunculus occidentalis var. eisenii Louis C. Wheeler 1935-5-26 3535 Siskiyou Siskiyou Mts. 854 Comment
  HSC40655  Ranunculus occidentalis var. occidentalis J. P. Smith, Steve Selva 1970-6-16 4023 Siskiyou 4 mi. from Hwy. 3 on Rd. 8 to Sugar Creek. 1159 Comment
  UCD77228  Ranunculus populago Robert E. Preston 2001-6-30 1633 Siskiyou Klamath National Forest, north slope of Rainbow Mountain, T42N R1W se 1/4 of nw 1/4 Section 14 1694 Comment
  POM311435  Ranunculus repens D. E. Breedlove 1962-6-10 3330 Siskiyou N bank of the Klamath River at its jct with Goff Creek, 4.5 miles W of Seiad. 412 Comment
  CDA3489  Ranunculus testiculatus T. C. Fuller 1970-3-24 19359 Siskiyou Juvenile Hall, south of junction of Annie & State Streets, Yreka. 0 Comment
  CAS-BOT-BC56115  Rhamnus ilicifolia Louis C. Wheeler 1934-11-7 3360 Siskiyou Cottville, Klamath River, Mt. Diablo Mer. 566 Comment
  CDA17132  Rhamnus purshiana G. F. Hrusa 2001-6-6 15846 Siskiyou Siskiyou Mountains; Nr. summit of pass betw. Happy Camp, CA and O'Brien, Oregon at turnoff to Bolan Lake, at Oregon border. 1424 Comment
  SEINET13946368 Image available Rhamnus rubra A. A. Heller 1916-1 12490 Siskiyou East side of Mt. Eddy Comment
  HSC75257  Rhodiola integrifolia subsp. integrifolia J. O. Sawyer, M. Mesler 1980-8-13 4051 Siskiyou E of Pacific Crest Trail at Black Marble Mtn. 1921 Comment
  HSC4878  Rhododendron columbianum J. O. Sawyer 1968-6-25 289 Siskiyou NE of N Horse Range Lake 2012 Comment
  HSC749  Rhododendron columbianum William J. Ferlatte 1967-7-26 759 Siskiyou Caribou Basin 1982 Comment
  CHSC86649  Rhododendron neoglandulosum Jenny Marr 1993-7-1 32 Siskiyou Butte Valley Wildlife Area, +/- 7 air miles NW of the town of MacDoel. Meadow NW of Meiss Lake. 1349 Comment
  SFV5171  Rhododendron occidentale B. C. Templeton 1960-6-21 8537 Siskiyou Klamath Mountains Between Callahan and the summit of Scott Mountains. Mountain slopes. Comment
  CAS-BOT-BC56660  Rhododendron occidentale J. H. Thomas 1949-6-16 958 Siskiyou Between Fort Jones and Etna Comment
  CAS-BOT-BC438009  Ribes W. R. Dudley 1899-8-9 s.n. Siskiyou Black Butte Comment
  CAS-BOT-BC92535  Ribes binominatum John Thomas Howell 1937-7-25 13458 Siskiyou Caribou Basin, Salmon-Trinity Alps. 2286 Comment
  HSC22487  Ribes binominatum J. O. Sawyer 1969-7-2 998 Siskiyou S facing midslope above Paynes Lake 1966 Comment
  UC1127414  Ribes cereum M. H. Mitchell 1936-5-8 5 Siskiyou 1/2 mi w Incline Cone (close to road); Modoc Lava Beds Natl. Mon., Dorris Quadrangle Comment
  SEINET9296947  Ribes cruentum var. cruentum Unknown 2009-5-31 Siskiyou High elevation, semi-arid desert ecosystem; native species; collected at Lava Beds National Monument, directly South of Tulelake, CA. Comment
  CDA25538  Ribes inerme var. klamathense G. D. Barbe, J. T. Howell, T. C. Fuller 1980-4-29 2622 Siskiyou 200 meters north of Hamilton Street on Highway 3, north edge of Fort Jones. Comment
  CAS-BOT-BC173297  Ribes lacustre D. E. Breedlove 1962-6-10 3270 Siskiyou On bank of Dunn Creek along Indian Creek Road from O'Brien to Happy Camp, 24.6 miles northwest of Happy Camp 1356 Comment
  HSC49898  Ribes lacustre Maralyn O'Meara 1973-6-5 197 Siskiyou 1.0 mi. up Duck Lakes Trail along a trail crossing stream Comment
  RSA237680  Ribes lacustre Frederick W. Oettinger 1969-7-11 972 Siskiyou SE corner of Hancock Lake. Salmon Mtns. High Lake Basins in the vicinity of English Peak. Marble Mtn Wilderness Area. 1936 Comment
  CAS-BOT-BC173397  Ribes lobbii John Thomas Howell 1937-7-22 13284 Siskiyou South Fork of Salmon River near Big Flat 1524 Comment
  HSC20305  Ribes lobbii Hilda W. Grinnell 1935-6-8 Siskiyou Deer Camp Ranger Station, head of Daggett Creek, Siskiyou Mtns. 1799 Comment
  HSC64665  Ribes lobbii J. O. Sawyer 1977-7-6 3031 Siskiyou S of Little Duck Lake 2134 Comment
  HSC68334  Ribes lobbii Maralyn A. Renner 1980-6-26 1236 Siskiyou SE edge of Flint Valley. 1390 Comment
  JEPS49354  Ribes lobbii W. L. Jepson 1902-7-22 2093 Siskiyou trail from Salmon Forks; Salmon Summit 1676 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
  RSA0021143  Ribes lobbii P. A. Munz 1952-7-2 17888 Siskiyou Road to Baldy Mt., northwest of Happy Camp, Siskiyou Mts. 1524 Comment
  RSA0021144  Ribes lobbii Frederick W. Oettinger, Robert F. Thorne 1969-8-6 1250 Siskiyou Outlet of Pine Lake. Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1829 Comment
  CAS-BOT-BC212483  Ribes marshallii Gilbert Muth 1966-7-8 360 Siskiyou Marble Valley, Marble Mts. 1792 Comment
  HSC69715  Ribes marshallii Maralyn A. Renner 1980-7-15 1768 Siskiyou English Lake inlet 1780 Comment
  RSA167322  Ribes marshallii Joseph P. Tracy 1951-6-16 19501 Siskiyou Summit of Siskiyou Mountains, crossing of the Takilma-Happy Camp Road Comment
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Jul 12 2012
  CAS-BOT-BC219273  Ribes nevadense Alice Eastwood 1917-9-2 6701 Siskiyou Shasta Springs Comment
  HSC19438  Ribes nevadense J. O. Sawyer 1969-8-5 1946 Siskiyou Along Sugar Creek. 1921 Comment
  HSC32249  Ribes nevadense J. O. Sawyer 1970-6-17 2208 Siskiyou On trail to South Sugar Lake 1829 Comment
  CAS-BOT-BC217883  Ribes nevadense Lester Rowntree 1935-5-31 s.n. Siskiyou Happy Camp Road Comment
  OBI14034  Ribes nevadense J. H. Applegarth 1969-6-19 s.n. Siskiyou W of cow Crk, tributary of Beaver crk 1829 Comment
  RSA0022722  Ribes nevadense var. glaucescens A. A. Heller 1915-8-26 12244 Siskiyou Wagon Creek at the foot of Mt. Eddy. 1128 Comment
  RSA0023154  Ribes nevadense var. glaucescens P. A. Munz 1952-7-2 17893 Siskiyou Rd. to Baldy Mt. NW of Happy Camp, Siskiyou Mts. 1524 Comment
  UC618599  Ribes roezlii W. Bridge Cooke 1938-6-17 11001 Siskiyou Sisson Southern Trail Mount Shasta (also around Bear Springs) Comment
  RSA0018040  Ribes roezlii H. K. Wagnon, G. D. Barbe 1957-6-16 13127 -MSB Siskiyou Scott Mountains up to 1300. Comment
  CAS-BOT-BC199998  Ribes roezlii var. cruentum W. R. Dudley 1899-8-9 s.n. Siskiyou Eastern Base of Black Butte Comment
  CAS-BOT-BC200003  Ribes roezlii var. cruentum Doris K. Kildale 1928-8-12 6420 Siskiyou North Fork of Salmon River near Finley Camp Comment
  HSC29451  Ribes roezlii var. cruentum Frederick W. Oettinger 1969-9-5 1686 Siskiyou Marble Mtn. Wilderness Area, next basin E of Salamander Pond, Abbotts Lake region 1768 Comment
  LA90209  Ribes roezlii var. cruentum J. William Thompson; 1936-7-8 13168 Siskiyou Lava Beds National Monument Comment
  RSA47629  Ribes roezlii var. roezlii Roxana S. Ferris, Laura Lorraine 1948-6-12 11775 Siskiyou 5.5 miles from Etna on forks of Salmon Road Comment
  JEPS84052  Ribes sanguineum L. R. Heckard with S. D'Alcamo, J. Hickman, S. Winchester 1986-7-15 6302 Siskiyou from Takilma to Happy Camp (Indian Creek Road, just s of state line) Comment
  JEPS43488  Ribes velutinum W. L. Jepson 1940-6-23 19986 Siskiyou e Grenada and Mayten (e side of Little Shasta Valley); Little Shasta Valley 883 Comment
  UCD102537  Ribes viscosissimum Jack Major; M. Fleschner, R. Pemble 1966-9-4 s.n. Siskiyou East of Marble Mountain, Marble Mountains. 2042 Comment
  RSA0020922  Ribes viscosissimum Frederick W. Oettinger 1968-8-10 467 Siskiyou East side of Hancock Lake. The high lake basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1936 Comment
  SEINET13942870 Image available Ribes viscosissimum W. M. Bridge Cooke 1941-1 16278 Siskiyou around source of MacBride Springs, Mt. Shasta elv 5000 Comment
  CHSC96027  Ribes viscosissimum var. viscosissimum L. P. Janeway 2006-7-3 8753 Siskiyou Klamath Ranges. Salmon Mountains; along Music Creek Trailhead near upper Music Creek. 1893 Comment
  UC1409440  Rorippa curvisiliqua Frederick W. Oettinger 1968-8-22 495 Siskiyou high lake basins in vicinity English Peak (just before first moraine enroute to Tobacco Lake); Salmon Mountains, Marble Mountain Wilderness Area 1889 Comment
  RSA761680  Rorippa curvisiliqua R. F. Thorne, Frederick W. Oettinger 1969-8-4 63353 Siskiyou Klamath National Forest, Salmon Mountains, Marble Mountain Wilderness Area, high lake basins in the vicinity of English Peak Comment
  CAS-BOT-BC147464  Rosa californica Doris K. Kildale 1929-6-25 8371 Siskiyou Klamath River, 6 miles north of Hornbrook 609 Comment
  RSA105413  Rosa eglanteria G. D. Barbe 1955-6-29 33 Siskiyou 1.8 miles E of Callahan. S bank of Scott River. 976 Comment
  CAS-BOT-BC146738  Rosa gymnocarpa Doris K. Kildale 1928-8-18 6413 Siskiyou North Fork of Salmon River at Finley Camp 609 Comment
  CAS-BOT-BC146742  Rosa gymnocarpa John Thomas Howell 1939-8-4 15036 Siskiyou Between Elk Mt. and Marble Rim, Marble Mts. Comment
  CAS-BOT-BC146750  Rosa gymnocarpa Alice Eastwood 1917-9-2 6678 Siskiyou Shasta Springs Comment
  HSC29496  Rosa gymnocarpa Frederick W. Oettinger 1969-7-11 970 Siskiyou Marble Mtn. Wilderness Area, between English Lake and Diamond Lake 1951 Comment
  HSC36725  Rosa gymnocarpa Brent Whitely 1975-6-23 44 Siskiyou 223 Comment
  HSC73218  Rosa gymnocarpa Gail Newton 1980-6-20 509 Siskiyou Near Bald Mtn. 1097 Comment
  CAS-BOT-BC146797  Rosa gymnocarpa var. serpentina Alice Eastwood 1912-8-28 1960 Siskiyou Sisson Comment
  RSA537276  Rosa nutkana Walter Wisura, J. Romero 1991-10-18 4603 Siskiyou Kalamath River, 16.5 mi. N of Somes Bar. Comment
  CAS-BOT-BC147079  Rosa pisocarpa A. A. Heller 1915-7-18 12112 Siskiyou Metcalf's ranch, northeast base of Mt. Eddy 1188 Comment
  RSA52431  Rosa pisocarpa Dorothy Parker 1948-8-19 s.n. Siskiyou Summit of Scott Mtn. 1583 Comment
  UC164305  Rosa pisocarpa Geo. D. Butler 1909-9-26 973 Siskiyou along creek near Yreka Comment
  UC637138  Rosa pisocarpa Annetta Carter 1934-8-13 704 Siskiyou Happy Camp to Waldo (Oregon) rd Klamath National Forest, watershed of West Branch of Indian 1371 Comment
  RSA96941  Rosa pisocarpa subsp. pisocarpa Percy C. Everett, E. K. Balls 1954-10-10 20265 Siskiyou n. end of Castle Lake SW from town of Mt. Shasta. 1585 Comment
  CHSC91229  Rosa rubiginosa Lowell Ahart; John Dittes 2005-6-10 12065 Siskiyou Pasture east of a poor dirt road, about 90 yards northeast 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
  SDSU9231  Rosa spithamea D. F. Howe 1977-7-1 4974 Siskiyou Scott Mountain Creek Road. 1097 Comment
  SD98960  Rosa spithamea D. F. Howe 1977-7-1 Siskiyou Scott Mt. Creek 1096 Comment
  JEPS94391  Rotala ramosior Vernon Oswald and Lowell Ahart 1997-7-28 8807 Siskiyou 10.9 mi n of Highway 89 (on e side of Forest Route 15); Forest Route 15 1383 Comment
  CAS-BOT-BC147308  Rubus parviflorus John Thomas Howell 1937-7-21 13190 Siskiyou South Fork of Salmon River near Big Flat 1524 Comment
  CAS-BOT-BC147317  Rubus parviflorus L. E. Smith 1913-5-27 291 Siskiyou Weed Comment
  RSA264949  Rubus parviflorus G. L. Clifton 1975-7-28 s.n. Siskiyou Near Cook and Green Pass. Near Seiad Valley. 1646 Comment
  CAS-BOT-BC157167  Rubus ursinus Wm. Bridge Cooke 1938-6-17 11048 Siskiyou Sisson Southern Trail Comment
  LA208252  Rubus ursinus Louis C. Wheeler; 1934-6-29 2824 Siskiyou Siskiyou Mountains, Open N. slope, Soda Creek, Sterling Mt.; Mt. Diablo Mer 1280 Comment
  UC861838  Rubus ursinus A. A. Heller 1916-6-20 12419 Siskiyou Metcalf's Ranch ne base of Mt. Eddy, Metcalf's Ranch 1188 Comment
  SEINET5710611  Rudbeckia klamathensis Lowell E. Urbatsch, Vesna Karaman, Castro 2000-1 7699 Siskiyou Scott Mts. Collected along Road 17, 10 mi. SW from the intersection of I-5 and Stewart Spring Rd.; Scott Mountains 1757 Comment
  OBI55479  Rudbeckia klamathensis David J. Keil, Kathleen Keil 1992-7-21 23528 Siskiyou Klamath Natl Forest SE of Callahan. Forest Rd 40N08. 0.5 mi W of Scott Mtn rd (hwy 3) Comment
  CDA2879  Rumex acetosella F. D. Horn 1977-6-8 Siskiyou Near Weed. 0 Comment
  UCD101073  Rumex acetosella John M. Tucker 1974-7-28 4316 Siskiyou Siskiyou Co.; Marble Mountain Wilderness Area, Haypress Meadows. 1463 Comment
  HSC17613  Rumex triangulivalvis R. C. Wunner 1965-6-22 264 Siskiyou Lava Beds NM, 1 mi. NW of Stronghold 1220 Comment
  HSC29621  Sagina saginoides Frederick W. Oettinger 1969-8-19 1467 Siskiyou Marble Mountain Wilderness Area, near Abbott's 1860 Comment
  RSA47791  Sagina saginoides Roxana S. Ferris, Laura Lorraine 1948-6-12 11745 Siskiyou French Creek logging road west of Callahan. 1067 Comment
  UC935797  Sagittaria cuneata Herbert L. Mason 1948-7-18 13607 Siskiyou Grass Lake Comment
  CAS-BOT-BC103541  Salix commutata Gilbert Muth 1965-8-5 s.n. Siskiyou Along trail behind Blk. Mt. Comment
  CAS-BOT-BC103542  Salix commutata Gilbert J. Muth 1969-8-11 1356 Siskiyou slope beneath high point of ridge s. of Boulder Peak 2377 Comment
  LA208575  Salix eastwoodiae J. M. Tucker; 1963-7-7 3730 -A Siskiyou Marble Mountain Wilderness Area, in vicinity of Paradise Lake, at base of Kings Castle on E side 1981 Comment
  RSA261430  Salix eastwoodiae J. M. Tucker 1963-7-7 3730 -A Siskiyou Paradise Lake Public Camp. At base of Kings Castle on the E side. Marble Mtn Wilderness Area. 1982 Comment
  POM106926  Salix exigua Geo. D. Butler 1910-5-14 1339 Siskiyou Yreka Creek. Comment
  SBBG58916  Salix exigua var. hindsiana Mrs. H. P. Bracelin 1931-6-22 477 Siskiyou Pit River, at Gibson flag station, 125 km N of Red Bluff 450 Comment
  CAS-BOT-BC107789  Salix hindsiana Carl B. Wolf 1927-8-27 1133 Siskiyou On the Klamath River, 7 mi. below Happy Camp Comment
  UC375235  Salix lasiandra subsp. lasiandra Geo. D. Butler 1908-7-9 523 Siskiyou along creek near Yreka Comment
  UC482251  Salix lasiandra subsp. lasiandra Mrs. H. P. Bracelin 1931-6-19 423 Siskiyou ca. 16 km. n.w. Shasta City (n.e. side Mt. Eddy, stream above Metcalf ranch house); Mt. Eddy 1350 Comment
  CAS-BOT-BC125449  Salix lasiandra var. lasiandra L. E. Smith 1914-5-5 651 Siskiyou Sisson Comment
  CAS-BOT-BC125454  Salix lasiandra var. lasiandra Alice Eastwood July 17 1180 Siskiyou Sisson Comment
  CAS-BOT-BC125473  Salix lasiandra var. lasiandra W. R. Dudley 1907-8-26 s.n. Siskiyou Salmon Mountains Comment
  HSC28673  Salix lasiandra var. lasiandra Frederick W. Oettinger 1968-8-12 487 Siskiyou Marble Mtn. Wilderness Area, W of Hancock Lake 1890 Comment
  CAS-BOT-BC107080  Salix lasiolepis Mrs. H. P. Bracelin 1936-4-15 831 Siskiyou East side of Mt. Eddy; Wagon Creek above Metcalf ranch house; 8-9 miles N.W. of Mt. Shasta City 1203 Comment
  CAS-BOT-BC107085  Salix lasiolepis Mrs. H. P. Bracelin 1936-9-3 853 Siskiyou 11 miles N.W. from Mt. Shasta City, and about 2 miles E. of Burney Mill, N. base of Mt. Eddy 1127 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
  UC576377  Salix lasiolepis Mrs. H. P. Bracelin 1935-9-3 852 Siskiyou 11 mi. n.w. from Mt. Shasta City (ca. 2 mi. e. of Burney Mill, n. base Mt. Eddy, flat beside creek at second bridge); n. base Mt. Eddy 1127 Comment
  CAS-BOT-BC128350  Salix lasiolepis var. lasiolepis L. E. Smith 1913-3-1 s.n. Siskiyou Mt. Eddy Comment
  CAS-BOT-BC124899  Salix lemmonii Mrs. H. P. Bracelin 1931-6-20 448 Siskiyou East side of Mount Eddy, about 17 km. northwest of Shasta City; Wagon Creek Canyon, about 1 km. up from Metcalf ranch house 1170 Comment
  CAS-BOT-BC124900  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
  POM219905  Salix lemmonii H. P. Bracelin 1931-6-21 467 Siskiyou N side of Mount Eddy. About 21 km NW of Shasta City. 180 m below Dobkin's Lake. 1770 Comment
  CAS-BOT-BC125691  Salix melanopsis W. R. Dudley 1901-8-25 s.n. Siskiyou By road, South Fork Scotts Comment
  CHSC4317  Salix monochroma D. Parker 1965-3-13 1061 Siskiyou Johnson Creek, near Etna. 914 Comment
  POM107278  Salix scouleriana Geo. D. Butler 1910-5-30 1439 Siskiyou Humbug Mountain 1220 Comment
  RSA238272  Salix scouleriana Frederick W. Oettinger 1969-8-1 1135 Siskiyou Above wiregrass meadow, English Lake basin. Salmon Mtns. High Lake Basins in the vicinity of English Peak. Marble Mtn Wilderness Area. 1707 Comment
  RSA612549  Salix scouleriana Louis C. Wheeler 1935-7-26 3722 Siskiyou Siskiyou mountains: Jaynes Canyon 1951 Comment
  UC482263  Salix scouleriana Mrs. H. P. Bracelin 1931-6-20 442 Siskiyou ca. 17 km. n.w. Shasta City (e. side Mt. Eddy, above creek in Wagon Creek Canyon, ca. 1 km. up from Metcalf ranch house); Mt. Eddy, Wagon Creek Canyon 1170 Comment
  UC482264  Salix scouleriana Mrs. H. P. Bracelin 1931-6-20 442 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-BC128971  Salix sitchensis John Thomas Howell 1937-7-25 13465 Siskiyou Caribout Basin, Salmon-Trinity Alps 2286 Comment
  HSC92120  Salix sitchensis Jennifer Whipple 1978-10-6 2418 Siskiyou Dale Creek drainage on the N face of Mt. Eddy 2195 Comment
  CAS-BOT-BC128972  Salix sitchensis Mrs. H. P. Bracelin 1937-7-22 870 Siskiyou Beyond head of Big Flat, in woods, near south fork of Salmon River 1615 Comment
  RSA0016960  Salvia dorrii subsp. dorrii P. Quentin Tomich 1954-6-24 425 Siskiyou Sentinal Cave, Lava Beds National Monument 1479 Comment
  CAS-BOT-BC220807  Salvia dorrii var. dorrii Elmer I. Applegate 1935-6-5 2343 Siskiyou Capt. Jack's Ice Cave, Lava Beds National Monument Comment
  CAS-BOT-BC225204  Salvia sonomensis A. A. Heller 1905-6-16 8044 Siskiyou Back of Sisson on the Mt. Shasta Trail Comment
  UC1037474  Sambucus mexicana Douglas Barbe 1955-7-5 96 Siskiyou 5.7 mi s Etna (on French Creek Road); Klamath Mountains 883 Comment
  CAS-BOT-BC236486  Sambucus racemosa subsp. racemosa John Thomas Howell 1939-8-3 15011 Siskiyou Spirit Lake, Marble Mts. 1828 Comment
  HSC29279  Sambucus racemosa var. racemosa Frederick W. Oettinger 1968-8-6 423 Siskiyou Marble Mtn. Wilderness Area, SE side of Hancock Lake along trail. 1905 Comment
  HSC60115  Sanicula crassicaulis M. A. Baker 1978-5-20 580 Siskiyou 3 km N of Somes Bar Comment
  UC106097  Sanicula graveolens Thos. Howell 1889-4-16 1364 Siskiyou Pacific Coast, Hornbrook Hornbrook; Pacific Coast, Hornbrook Comment
  UC165427  Sanicula graveolens Geo. D. Butler 1909-5-31 1023 Siskiyou Humbug Creek Comment
  JEPS1005  Sanicula graveolens Geo. D. Butler 1909-4-18 623 Siskiyou Humbug Divide Comment
  JEPS19779  Sanicula tuberosa Rimo Bacigalupi with S. Galen Smith 1957-6-26 5947 Siskiyou close to Trintiy County Line (at s end of Gumboot Lake, head of South Fork of Sacramento River); Gumboot Lake, South Fork Sacramento River 1859 Comment
  SBBG30560  Sanicula tuberosa D. Myrick 1968-6-25 2012 Siskiyou Mountain Meadow Ranch, Big Flat, head of Coffee Crk; Trinity Alps 1524 Comment
  SBBG21922  Saponaria officinalis D. Myrick 1964-7-25 974 Siskiyou near Shasta Royal Inn, Dunsmuir 762 Comment
  JEPS62808  Satureja douglasii Duncan Dunning 1923-6-16 Siskiyou Happy Camp Klamath (nw Siskiyou Co.) Comment
  JEPS82700  Saxifraga aprica Wayne Roderick 1984-6-5 Siskiyou 12 air km sw of Mount Shasta City (aabove Castle Lake) 1981 Comment
  RSA238316  Saxifraga ferruginea Frederick W. Oettinger 1967-7-20 174 Siskiyou SSE of Diamond Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2073 Comment
  UC1409259  Saxifraga ferruginea Frederick W. Oettinger 1968-8-1 337 Siskiyou High Lake Basins in the vicinity of English Peak (s of Little Hancock Lake); Salmon Mountains, Marble Mountain Wilderness Area 2042 Comment
  JEPS84192  Saxifragopsis fragarioides L. R. Heckard with J. Hickman et al. 1986-7-17 6508 Siskiyou e Condrey Mt. (slopes of Alex Hole); e of Condrey Mt., slopes of Alex Hole 1930 Comment
  CAS-BOT-BC35600  Scirpus congdonii A. H. Murphy 1954-8-21 54 -13 Siskiyou Round Meadow, Klamath National Forest 1676 Comment
  HSC89803  Scirpus congdonii D. K. Imper 1987-7-21 Siskiyou 8 mi. E of Somes Bar 1372 Comment
  SEINET11754611  Scirpus congdonii J. P. Tracy 1950-1 19203 Siskiyou Flint Valley, ca 5 mi SE of Elk Valley 1433 Comment
  UCD141272  Scirpus microcarpus S. S. Tillett 1956-7-9 641 Siskiyou county line, ca. 8 miles SE of Callahan. E of Scott Mountain. 1828 Comment
  SEINET7063002  Scleranthus annuus A. G. Vestal 1955-5-17 s.n. Siskiyou Scott Valley, 0.8 mile north of Etna on Route 3. UTM Zone 10, 508463mE, 4590954mN. (WGS84/NAD83). 893 Comment
  JEPS45872  Scribneria bolanderi Louis C. Wheeler 1935-5-18 3500 Siskiyou Siskiyo Mountains, Yreka Creek Yreka Creek; Siskiyo Mountains, Yreka Creek 853 Comment
  CHSC71587  Scutellaria antirrhinoides Vernon H. Oswald; Lowell Ahart 1998-8-3 9417 Siskiyou Kangaroo Lake Rd. (USFS 41N08) 3.9 mi southeast of Gazelle-Callahan Rd. at its intersection with USFS 41N10. Along a roadside drainage. 1554 Comment
  JEPS62910  Scutellaria antirrhinoides Geo. D. Butler 1908-6-29 175 Siskiyou Cherry Creek Comment
  HSC82524  Scutellaria antirrhinoides Thomas W. Nelson, Jane P. Nelson 1980-7-20 6177 Siskiyou Hillside above Big Carmen Lake 1738 Comment
  OBI55456  Scutellaria antirrhinoides David J. Keil, Kathleen Keil 1992-7-21 23548 Siskiyou Klamath Natl Forest SE of Callahan. Forest Rd 40N08, 4.2 mi W of Scott Mtn rd (hwy 3) Comment
  POM69088  Scutellaria antirrhinoides Geo. D. Butler 1908-7-19 176 Siskiyou Humbug Creek Comment
  UC1951260  Scutellaria antirrhinoides Robert F. Thorne 1969-8-23 63351 Siskiyou Klamath National Forest, Salmon Mountains, Marble Mountain Wilderness Area, high lake basins in the vicinity of English Peak. Trail to upper English Lake along Salmon River. Comment
  HSC46222  Scutellaria siphocampyloides Jennifer Whipple 1978-6-5 2332 Siskiyou Weston Gulch in Scott Valley 854 Comment
  RSA445342  Scutellaria siphocampyloides Louis C. Wheeler 1934-6-4 2633 Siskiyou Hamburg Gulch off Horse Creek. (Mt. Diablo Mer.) Siskiyou Mts 610 Comment
  UC165984  Sedum Geo. D. Butler 1908-6-27 140 Siskiyou Forest House (mountain) Forest House Comment
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Oct 20 2011
  CHSC33032  Sedum laxum subsp. heckneri M. A. Baker 1978-7-17 594 Siskiyou On the north bank of the Salmon River 5 k east of ... Field redacted by CHSC, contact the data manager for more information Comment
  HSC40493  Sedum laxum subsp. heckneri J. O. Sawyer 1973-7-16 2545 Siskiyou Along Big Meadow Creek 1128 Comment
  UCR246374  Sedum oblanceolatum Peter F. Zika 2011-7-19 25650 Siskiyou Klamath Range (KR), near Pacific Crest Trail, 1 air mile WNW of Copper Butte, Siskiyou Mountains 1610 Comment
  HSC40629  Sedum obtusatum subsp. retusum J. P. Smith, Steve Selva 1970-7-15 Siskiyou Baldy Mtn. Lookout Station 1723 Comment
  HSC19537  Sedum obtusatum subsp. retusum J. O. Sawyer 1969-7-24 1501 Siskiyou Steep slopes of Sugar Creek drainage 1890 Comment
  CAS-BOT-BC64645  Sedum oregonense Alice Eastwood 1921-7-24 10727 Siskiyou Castle Lake Comment
  CAS-BOT-BC59128  Sedum spathulifolium John Thomas Howell 1939-8-8 15142 Siskiyou Marble Mountains, between Marble Valley and Sky High Valley. Comment
  UC166614  Sedum spathulifolium Geo. D. Butler 1908-8-21 498 Siskiyou Etna Creek Comment
  RSA0074741  Sedum spathulifolium L. C. Wheeler 1934-6-4 2637 Siskiyou Hamburg Gulch off Horse Creek, Siskiyou Mts. 701 Comment
  UC1299666  Sedum spathulifolium Freed W. Hoffman 1951-7-12 4025 Siskiyou Elk Lake Trail Marble Mountains (Marble Mountains) Comment
  RSA641068  Selaginella wallacei Louis Cutter Wheeler 1963-9-11 8388 Siskiyou Siskiyou Mountains: Elk Hole, Dillon Creek. . Comment
  JEPS82674  Senecio aronicoides Wayne Roderick 1984-6-5 Siskiyou ca 12 air km sw Mt. Shasta city (below Castle Lake) 1676 Comment
  CAS-BOT-BC363427  Senecio aronicoides John M. Tucker 1948-8-2 1763 Siskiyou Panther Meadows, Mt. Shasta 2407 Comment
  SEINET196520  Senecio aronicoides R. Tofarud, J. M. Tucker 1948-8-2 1763 Siskiyou Panther Meadows south slode on Mt. Shasta 2408 Comment
  CAS-BOT-BC363645  Senecio fremontii var. occidentalis Alice Eastwood 1912-8-30 2021 Siskiyou Mount Eddy Comment
  CAS-BOT-BC363941  Senecio integerrimus var. exaltatus Geo. D. Butler 1910-5-1 1263 Siskiyou Humbug Mountain Comment
  CAS-BOT-BC363942  Senecio integerrimus var. exaltatus Roxana S. Ferris; Laura Lorraine 1941-8-11 10505 Siskiyou Slopes above Medicine Lake. Shasta National Forest Comment
  CDA8646  Senecio integerrimus var. exaltatus Vernon H. Oswald & Lowell Ahart 1998-6-11 9216 Siskiyou Butte Valley National Grassland near the junction of Meiss Lake-Sams Neck Road and Highway 97, ca. 5 miles north of Macdoel. Comment
  JEPS94673  Senecio integerrimus var. exaltatus Vernon H. Oswald and Lowell Ahart 1998-6-11 9216 Siskiyou near intersection of Meiss Lake-Sames Neck Rd. and Hwy. 97 (ca 5 mi n of Macdoel); Butte Valley National Grassland 1295 Comment
  CDA8647  Senecio integerrimus var. exaltatus T. C. Fuller 1962-6-12 8965 Siskiyou Road to Medicine Lake, ca. 3 miles southeast of Dorris. 0 Comment
  HSC90544  Senecio integerrimus var. exaltatus Jennifer Whipple 1976-6-16 1010 Siskiyou Dale Creek Drainage on the N face of Mt. Eddy 2195 Comment
  HSC29122  Senecio integerrimus var. major Frederick W. Oettinger 1969-7-13 996 Siskiyou High Lake Basins near English Peak: Marble Mtn. Wilderness Area; N of upper English Lake 1890 Comment
  HSC617  Senecio integerrimus var. major William J. Ferlatte 1966-7-7 197 Siskiyou Caribou Basin 1982 Comment
  HSC68396  Senecio integerrimus var. major Maralyn A. Renner 1980-6-26 1244 Siskiyou SE edge of Flint Valley. 1390 Comment
  CAS-BOT-BC364443  Senecio triangularis Doris K. Kildale 1928-8-19 6547 Siskiyou Hancock Lake, on trail to Marble Mt. 2133 Comment
  HSC22188  Senecio triangularis J. O. Sawyer 1969-8-5 1756 Siskiyou W of Little Duck Lake 2073 Comment
  HSC81849  Senecio triangularis Thomas W. Nelson, Jane P. Nelson 1980-7-20 6180 Siskiyou Above and to SE of Big Carmen Lake 1738 Comment
  RSA12485  Senecio triangularis C. B. Wolf 1934-7-4 5952 Siskiyou 6 8/10 mi. from Dry Lake Lookout, on rd. to Horse Creek, Siskiyou Mts. 1829 Comment
  UC832134  Senecio triangularis A. A. Heller 1915-8-26 12226 Siskiyou meadow near the head Wagon Creek Canyon (Mt. Eddy); Mt. Eddy 2590 Comment
  HSC76737  Senecio triangularis K. T. Stillman 1976-7-14 235 Siskiyou Marble Mtn. Wilderness Area; Big Rock Camp & slope to Elk Valley 2073 Comment
  POM5594  Senecio triangularis E. B. Copeland 1903-8-19 16278 Siskiyou Mt. Eddy. 1463 Comment
  RSA473096  Senecio triangularis L. C. Wheeler 1934-8-9 3084 Siskiyou Siskiyou Mountains: Head of Jaynes Canyon. 1981 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
  HSC64942  Sibbaldia procumbens D. L. Goforth 1979-7-19 266 Siskiyou Caribou Lakes Basin, lakeside at upper lake. 2134 Comment
  POM84653  Sidalcea malviflora subsp. asprella Geo. D. Butler 1910-5-26 1408 Siskiyou Yreka Comment
  CAS-BOT-BC205788  Sidalcea oregana Wm. Bridge Cooke 1939-7-7 13589 Siskiyou Mount Shasta. At Bear Springs Comment
  JEPS104952  Sidalcea oregana subsp. oregana Dean W. Taylor 1996-6-26 15743 Siskiyou Iron Gate Reservoir; drainage of Brush Creek; Klamath National Forest 670 Comment
  RSA68937  Sidalcea oregana subsp. spicata A. E. Culbertson 1943-7-17 21 Siskiyou Near Forest Service Camp Grd. about a mile downstream from Castle Lake on road to town of Shasta; on north slope of a 6600 eastern spur of Trinity Mts. and 1500 above Sacramento R., within 9 air miles of its headwaters to the west., Mt. Shasta 13 miles to NE 1524 Comment
  LA212243  Sidalcea ranunculacea Geo. E. Julian; Bill Baker 1962-7-20 s.n. Siskiyou Mount Shasta. 1523 Comment
  HSC101397  Sidalcea setosa J. P. Smith, J. O. Sawyer, R. J. Cole 2010-8-7 13054 Siskiyou Klamath National Forest. Road to Crater Lake off Forest Service Road 40N24. 1860 Comment
  CAS-BOT-BC181202  Silene campanulata subsp. glandulosa John Thomas Howell 1939-8-3 14972 Siskiyou Spirit Lake, Marble Mts. 1828 Comment
  CAS-BOT-BC181186  Silene campanulata subsp. glandulosa Lillian Mott 1976-7-8 46 LM76 Siskiyou Copper butte ca. 1 1/2 miles east of Cook & Green Pass 1889 Comment
  CAS-BOT-BC181199  Silene campanulata subsp. glandulosa R. C. Barneby 1954-5-16 11508 Siskiyou Klamath R. canyon 10 1/2 mi. below Klamath River P.O. 472 Comment
  POM267218  Silene campanulata subsp. greenei Marion Ownbey, Fred G. Meyer 1940-7-6 2199 Siskiyou Summit of Cayenne Ridge, Marble Mountain Comment
  CAS-BOT-BC388949  Silene grayi A. A. Heller 1920-6-29 13403 Siskiyou Near Wagon Creek falls, east side of Mt. Eddy Comment
  JEPS50996  Silene grayi W. L. Jepson 1907-7-11 2882 Siskiyou summit of divide between Cottage Grove (Klamath River) and Crescent City (near Preston Peak, Monantha Rob.); Klamath Range, divide btw Klamath River and Crescent City 1828 Comment
  UC8455  Silene grayi W. H. Brewer 1862-9-13 1373 Siskiyou Mount Shasta 2133 Comment
  UCD98595  Silene grayi R. Tofsrud; J. M. Tucker 1948-8-2 1764 Siskiyou Panther Meadow, south slope of Mt. Shasta. 2407 Comment
  UCD98590  Silene grayi Mary Ann Showers 1980-8-7 1983 Siskiyou ridge of Marble Mt., 1/4 mile west of summit. Along edge of escarpment above Rainy Valley. 2042 Comment
  CAS-BOT-BC389420  Silene lemmonii W. B. Cooke; V. G. Cooke 1972-7-6 45462 Siskiyou Mud Creek Dam Road, Mt. Shasta Comment
  HSC44727  Silene vulgaris J. O. Sawyer, E. Cope 1977-6-18 2902 Siskiyou Along Clear Creek trail below Ten Mile Creek 457 Comment
  HSC36814  Sisymbrium officinale J. P. Smith 1974-5-27 7620 Siskiyou Along FS Rd. 47N03 1280 Comment
  JEPS941  Sium suave Willis L. Jepson July, 1894 13241 Siskiyou n of Sisson (Mount Shasta, by the stage-road); Mount Shasta Comment
  JEPS80495  Smilacina stellata Gilbert Muth 1966-7-8 365 Siskiyou Marble Valley Meadow Marble Mt. Wilderness Area 1792 Comment
  CDA39211  Smilax californica County Ag Comm. Office 1957-10-17 s.n. Siskiyou M. Williams property. 0 Comment
  UC1409215  Smilax jamesii Frederick W. Oettinger 1969-8-1 1138 Siskiyou near stream below English Lake (vicinity of English Peak); Salmon Mountains, Marble Mountain Wilderness Area, High Lake 1813 Comment
  JEPS117251  Solanum dulcamara Lowell Ahart, John Dittes 2010-7-30 16939 Siskiyou Along the south edge of the Shasta River, about 100 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
  UCD40897  Solanum dulcamara R. Rhode 1983-5-26 22 Siskiyou At Highway 96 and Interstate 5 on the banks of the Klamath River. 701 Comment
  CDA5979  Solanum triflorum J. R. Grisham 1960-9-29 Siskiyou Ralph Leavers property, Butte Valley. 0 Comment
  POM211817  Solidago canadensis subsp. elongata L. C. Wheeler 1934-9-2 3240 Siskiyou Miller Glade, Siskiyou Mountains. 1829 Comment
  HSC26761  Solidago elongata J. P. Smith, J. O. Sawyer 1971-9-18 4811 Siskiyou 1.2 mi. W of junction of Hwy. 3 and Rd. 8, N of Callahan. Comment
  JEPS32371  Solidago elongata Geo. D. Butler 1908-8-10 310 Siskiyou Shackelford Creek Comment
  UC165415  Solidago elongata Geo. D. Butler 1910-8-31 1858 Siskiyou Oro Fino Comment
  CHSC63502  Solidago multiradiata Vernon H. Oswald; Lowell Ahart 1994-8-1 6419 Siskiyou Forest Rd. 26 paralleling the South Fork of the Sacramento River, 0.3 mi E of Forest Rd. 40N43, 9.0 mi SW of the dam at Lake Siskiyou. 1438 Comment
  CAS-BOT-BC365760  Solidago spectabilis Elmer I. Applegate 1923-8-21 3916 Siskiyou Willow Creek, south of Lower Klamath Marsh Comment
  CAS-BOT-BC365247  Solidago velutina subsp. californica Edward Lee 1934-8-12 1046 Siskiyou 1/4 mile west of mouth of Walker Creek, a tributary of the Klamath River (east end of Seiad Valley) 426 Comment
  CAS-BOT-BC365981  Sonchus arvensis T. C. Fuller 1963-8-27 11162 Siskiyou S. side of Dorris-Tulelake Road where the roadbed forms the north shore of Lower Klamath Lake, Lower Klamath Lake Wildlife Refuge, ca. 12 mi. w. of Hatfield Comment
  UC1190120  Sorbus californica Ira L. Wiggins 1955-7-27 13554 Siskiyou Caribou Lake; Salmon Trinity Alps Primitive Area 2042 Comment
  RSA96708  Sorbus californica Percy C. Everett, E. K. Balls 1954-10-13 20289 Siskiyou Indian Creek Rd to Obrien. At summit of pass. 21 miles NW of Hwy 96 at Happy Camp. 1555 Comment
  CAS-BOT-BC158925  Sorbus scopulina Louis C. Wheeler 1934-8-8 3068 Siskiyou West Fork Beaver Creek - Siskiyou Mts. 1676 Comment
  CAS-BOT-BC390713  Spergularia rubra Louis C. Wheeler 1934-9-2 3239 Siskiyou Miller Grade, Siskiyou Mts. 1828 Comment
  CAS-BOT-BC390716  Spergularia rubra A. A. Heller 1915-7-18 12126 Siskiyou Metcalf's ranch, northeast base of Mt. Eddy 1188 Comment
  POM91543  Spiraea densiflora Geo. D. Butler 1910-7-9 1710 Siskiyou Wooly Creek. 1677 Comment
  POM148451  Spiraea densiflora var. splendens J. B. Feudge 1927-7-22 1684 Siskiyou Trail. Mt. Shasta City to Mt. Eddy. 1372 Comment
  RSA30424  Spiraea densiflora var. splendens A. A. Heller 1916-7-22 12484 Siskiyou E side of Mt Eddy. 1677 Comment
  CAS-BOT-BC149684  Spiraea douglasii Carl B. Wolf 1930-10-22 1754 Siskiyou 1 mile west of Mt. Shasta City 1066 Comment
  HSC18902  Spiraea douglasii J. O. Sawyer 1968-7-10 465 Siskiyou Floodplain of Sugar Creek near Sugar Lake. 1799 Comment
  HSC68  Spiraea douglasii William J. Ferlatte 1966-8-18 422 Siskiyou Willow Creek Trail. Comment
  RSA105380  Spiraea douglasii G. D. Barbe 1955-7-5 102 Siskiyou 2.5 miles N of Etna on the road to Greenview. 884 Comment
  CAS-BOT-BC421469  Spiraea douglasii William A. Dayton 1913-8-14 491 Siskiyou Shasta National Forest. Inside Fenced Area, Ash Creek Sink. 1219 Comment
  CAS-BOT-BC152551  Spiraea splendens L. E. Smith 1913-6-29 437 Siskiyou Mt. Eddy Comment
  CAS-BOT-BC152552  Spiraea splendens A. A. Heller 1916-7-22 12484 Siskiyou East side of Mt. Eddy 1676 Comment
  UCLA39900  Stachys ajugoides var. rigida Robert T. Clausen and Harold Trapido 1940-7-26 4958 Siskiyou near Wagon Camp; So. Cascade Mts., Sacramento River Basin, Mt. Shasta 1734 Comment
  CAS-BOT-BC516468  Stenanthium occidentale Gilbert Muth 1966-7-19 427 Siskiyou Marble Gap Trail, along 1st bluff, Marble Mts. 1828 Comment
  CAS-BOT-BC516470  Stenanthium occidentale Louis C. Wheeler 1934-8-17 3181 Siskiyou North side White Mt., Siskiyou Mts. 1828 Comment
  CAS-BOT-BC375647  Stephanomeria lactucina L. S. Smith 1913-7-27 494 Siskiyou McCloud Comment
  HSC29091  Stephanomeria lactucina Frederick W. Oettinger 1969-8-18 1438 Siskiyou Marble Mtn. Wilderness Area, on English Lake Trail, below Willow Spring 1677 Comment
  SEINET10968201  Stipa californica Mary Susan Taylor 1980-8-18 Taylor 3257 Siskiyou T40N R2E sw sec 30. Shasta-Trinity Natl Forest, Yellow Pine Forest plantation, ca. 50 ft E of Hwy 15, ca. 3 mi N of it jctw ith Hwy 89, ca. 17 mi E of McCloud. With J. Prouty & E. Heinz. Comment
  SEINET10603910  Stipa nelsonii Lawrence P. Janeway 1983-8-26 Janeway 606 Siskiyou Preston Peak quad (15'). At Poker Flat, a meadow in a fir forest. Mostly open, gravelly, dry ground on upper side of road on the North side of the meadow. 1524 Comment
  HSC76767  Stipa occidentalis var. californica K. T. Stillman 1976-8-7 378 Siskiyou Marble Mtn. Wilderness Area, Box Camp Mtn. 2195 Comment
  HSC58564  Stipa occidentalis var. occidentalis G. L. Clifton, Griswold 1979-7-26 10129 Siskiyou Near Salmon Mtn., close to the town of Forks of Salmon 2104 Comment
  HSC102712  Stipa thurberiana J. P. Smith 2013-6-17 13745 Siskiyou Cinder Pit Road, 0.6 miles from its junction with County Road A12. 1123 Comment
  HSC71172  Streptanthus barbatus Thomas W. Nelson, Jane P. Nelson 1978-7-24 4494 Siskiyou Siskiyou-Trinity Co. line, along road to Carmen Lake, 100 m from junction with Hwy. 3 1585 Comment
  CAS-BOT-BC87876  Streptanthus tortuosus L. E. Smith 1913-7-4 s.n. Siskiyou Castle Crags. Comment
  UC455751  Streptanthus tortuosus I. J. Condit 1911-7-22 Siskiyou Horse Camp Mt. Shasta 2438 Comment
  CAS-BOT-BC87879  Streptanthus tortuosus William A. Dayton 1913-7-20 394 Siskiyou Shasta Forest. Crest of Trinity Mountain Ridge. 1524 Comment
  POM95329  Streptanthus tortuosus Geo. D. Butler 1910-4-22 1221 Siskiyou Kidder Creek Comment
  CHSC30242  Streptanthus tortuosus var. orbiculatus M. S. Taylor; J. Prouty, E. Heinitz 1980-8-18 3263 A Siskiyou Little Mt. Hoffman, w side. 2225 Comment
  SBBG21904  Streptanthus tortuosus var. orbiculatus D. Myrick 1962-7-25 952 Siskiyou Shasta Ski Bowl Hwy, Mt Shasta 1219 Comment
  HSC18890  Symphoricarpos mollis J. O. Sawyer 1968-6-25 334 Siskiyou 1646 Comment
  HSC67781  Symphoricarpos mollis J. O. Sawyer, J. Cole 1980-7-21 3852 Siskiyou N of FS Rd. 44N01 near intersection with road to Lava Camp. 1677 Comment
  UC164059  Symphoricarpos mollis var. acutus Geo. D. Butler 1909-6-22 947 Siskiyou Goosenest foothills 1524 Comment
  UC585185  Symphoricarpos rotundifolius var. rotundifolius E. B. Babcock, G. L. Stebbins Jr. 1936-6-11 1921 Siskiyou about 7 mi sw Yreka (s of highway from Fort Jones to Yreka); Forest House Mt. 1371 Comment
  CHSC34502  Symphyotrichum ascendens J. D. Jokerst 1981-9-8 1473 Siskiyou Along side creek draining Caldwell Lakes. Comment
  UC223703  Symphyotrichum bracteolatum Elmer I. Applegate 1923-8-21 3918 Siskiyou Willow Creek, (South end of Lower Klamath Lake) Lower Klamath Lake, Willow Creek Comment
  CAS-BOT-BC97890  Symphyotrichum eatonii Alice Eastwood 1917-9-2 s.n. Siskiyou Shasta Springs Comment
  JEPS89331  Symphyotrichum frondosum Dean W. Taylor 1987-8-9 9291 Siskiyou along Hwy. 161 (Oregon border) 8.3 mi. w. from Hwy 139 Lower Klamath Nat'l Wildlife Refuge 1249 Comment
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Oct 8 2007
  UC1540178  Symphyotrichum frondosum Dean W. Taylor 1987-8-9 9291 Siskiyou along Highway 161 8.3 mi w from Highway 139 Lower Klamath National Wildlife Refuge 1249 Comment
  UC75819  Symphyotrichum spathulatum Milo S. Baker 1899-7-31 Siskiyou on Ash Creek, e slope of Mt. Shasta Mt. Shasta Comment
  UC1037395  Symphyotrichum spathulatum Douglas Barbe 1955-7-26 261 Siskiyou nw slope of Scott Mountain along a dry ditch Klamath Mountains, Scott Mountain 1828 Comment
  CAS-BOT-BC98854  Symphyotrichum spathulatum var. intermedium Milo S. Baker 1926-8-8 230 b-'26 Siskiyou Between Red Mt. and Grants Peak 2194 Comment
  OBI55546  Symphyotrichum spathulatum var. spathulatum David J. Keil, Kathleen Keil 1992-7-24 23570 Siskiyou E of McCloud along hwy 89, 7.7 mi W of Shasta County line 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
  JEPS82421  Taraxacum officinale Gilbert Muth 1966-8-1 484 Siskiyou Marble Valley horse pasture Marble Mountain Wilderness Area 1792 Comment
  CAS-BOT-BC81346  Taxus brevifolia Nora Pettibone 1894-8-8 s.n. Siskiyou Upper Soda Springs Comment
  NY17404  Taxus brevifolia H. E. Brown 1897-6-1 323 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
  SEINET10872329  Taxus brevifolia H. E. Brown 1897-6-1 Brown 323 Siskiyou Collected near Sisson, Siskiyou County. 1084 Comment
  JEPS1219  Tellima grandiflora Freed Hoffman 1951-7-11 4035 Siskiyou about 8 mi above Scott River (on Kelsey Creek, Hammond's Stock-raising Camp, w Siskiyou County); Marble Mountains 1524 Comment
  RSA181617  Tellima grandiflora Dorothy Parker 1950-6-15 454 Siskiyou Along Kidder Creek. 915 Comment
  CAS-BOT-BC332878  Tetradymia canescens Elmer I. Applegate 1935-8-3 10021 Siskiyou Caldwell Butte, Lava Beds National Monument Comment
  CHSC27067  Tetradymia canescens K. Bridwell 1978-7-20 Siskiyou Top of Big Tablelands. Ca. 20 mi ne of Macdoel, ca. 1 mi w of Lower Tulelake. 1365 Comment
  UC1539985  Tetradymia canescens M. Mitchell 1936-5-2 41 Siskiyou 0.25 mi sw Fleener Chimneys; Lava Beds National Monument 1402 Comment
  RSA261440  Thalictrum polycarpum J. M. Tucker 1963-7-7 3728 Siskiyou In vicinity of Paradise Lake, at base of Kings Castle on the east side, Marble Mountain Wilderness Area. 1982 Comment
  HSC100276  Thelypodium brachycarpum J. P. Smith, , J. O. Sawyer, & R. J. Cole 2010-8-7 13074 Siskiyou Klamath National Forest, along road to botanical area off Forest Service Road 40N24 to Crater Lake. 1860 Comment
  RSA114965  Thelypodium brachycarpum E. K. Balls, Lee W. Lenz 1956-6-18 21721 Siskiyou 5.7 miles SE of Gazelle, Hwy 99, Eureka to Dunsmuir. 884 Comment
  HSC29434  Thelypteris nevadensis Frederick W. Oettinger 1968-9-4 694 Siskiyou Marble Mtn. Wilderness Area, SW shoreline of Abbotts Lake 1723 Comment
  UCD108595  Thermopsis gracilis A. A. Heller 1919-6-20 13250 Siskiyou Metcalf's Ranch, northeast base of Mt. Eddy. 1158 Comment
  RSA604464  Thermopsis robusta L. C. Wheeler 1959-7-25 7591 Siskiyou Marble Mountains: Camp Three, Rogers Creek. Comment
  UC165983  Thlaspi montanum var. montanum Geo. D. Butler 1910-6-4 1503 Siskiyou Shackleford Creek Comment
  CAS-BOT-BC66800  Thysanocarpus curvipes Lewis S. Rose 1945-6-18 45118 Siskiyou Horse Creek and Klamath River. 502 Comment
  HSC43111  Thysanocarpus curvipes Maralyn O'Meara 1974-5-25 366 Siskiyou Along Rd. 8, 0.9 mi. from its junction with Hwy. 3 976 Comment
  HSC64788  Thysanocarpus curvipes J. P. Smith 1976-5-4 8660 Siskiyou E boundary of Klamath National Forest along Hwy. 96, above Klamath River 610 Comment
  CHSC43138  Tiarella trifoliata var. unifoliata R. Banchero 1982-8-20 650 Siskiyou Ca 6 mi n of Happy Camp. N 1/2 mi from jct of F. S. roads 18N24 and 18N15. 975 Comment
  RSA184798  Tofieldia glutinosa subsp. occidentalis Gilbert Muth 1966-8-3 499 Siskiyou Marble Valley, water source spring, Marble Mountains 1793 Comment
  SEINET13750575  Tonella tenella G. D. Butler 1910-4-17 1193 Siskiyou Near Yreka. Comment
  HSC30566  Torreyochloa pallida var. pauciflora Frederick W. Oettinger, R. F. Thorne 1969-8-7 1267 Siskiyou Salmon Mtns., Pine Lake. 1768 Comment
  CAS-BOT-BC519569  Triantha occidentalis subsp. occidentalis David D. Keck 1949-7-20 6363 Siskiyou meadow at Scott Mountain Summit, at Trinity County line 1716 Comment
  SEINET3153530  Trichostema lanceolatum G. D. Butler 1910-7-28 1793 Siskiyou Yreka Comment
  CHSC71487  Trichostema oblongum Vernon H. Oswald; Lowell Ahart 1998-7-21 9358 Siskiyou Northeast of Weed, east of Grass Lake, and west of Bray on Old State Highway 0.8 mi east of Tennant Rd. 1417 Comment
  SD88333  Trientalis latifolia Darley F. Howe 1972-7-6 Siskiyou 1.6 miles south of Oregon state lineon road to Happy Camp 1584 Comment
  JEPS65824  Trifolium cyathiferum Geo. D. Butler 1908-8-3 386 Siskiyou Shackelford Creek Log Lake 1524 Comment
  HSC68568  Trifolium eriocephalum Maralyn A. Renner 1980-6-22 923 Siskiyou 1 mi. N of Little Shasta River 1402 Comment
  JEPS81659  Trifolium eriocephalum var. eriocephalum L. R. Heckard with L. Constance and R. Ornduff 1969-6-24 2295 Siskiyou 0.8 mi s Bray junction on U. S. 97 (Murphy Wells) 1493 Comment
  UC149763  Trifolium eriocephalum var. eriocephalum Harley P. Chandler 1901-6-1 1712 Siskiyou near Marble Mtn; North Coast Ranges 1981 Comment
  CAS-BOT-BC219038  Trifolium howellii Annie M. Alexander; Louise Kellogg 1949-7-30 5904 Siskiyou Sky High Valley, Marble Mountains, edge of stream 1767 Comment
  CAS-BOT-BC219041  Trifolium howellii Doris K. Kildale 1929-8-24 9081 Siskiyou Rattlesnake Meadow, near Preston Peak 1524 Comment
  CAS-BOT-BC219042  Trifolium howellii Doris K. Kildale 1928-8-18 6434 Siskiyou Finley's Upper Camp near head of north fork of Salmon River 1676 Comment
  HSC104145  Trifolium howellii Dana York 2011-8-14 3078 Siskiyou Klamath National Forest, Marble Mountain Wilderness, 230 m W-SW of Black Marble Mountain 2220 Comment
  HSC42955  Trifolium howellii J. O. Sawyer, Ken Stillman 1976-7-1 2782 Siskiyou Streamside terraces and lower slopes along the Little N Fork of the Salmon River. 732 Comment
  HSC61930  Trifolium howellii Ruby Van Deventer 1939-7-18 Siskiyou Poker Flat 1585 Comment
  HSC69012  Trifolium longipes Maralyn A. Renner 1980-7-24 2031 Siskiyou Lily Pad Lake 1768 Comment
  HSC30417  Trifolium longipes Frederick W. Oettinger 1968-8-17 553 Siskiyou Salmon Mountains: N to NW of Pine Lake 1860 Comment
  JEPS125882  Trifolium longipes subsp. elmeri Dean W. Taylor 1996-7-26 15841 Siskiyou Klamath National Forest; Scott Mountains, Crater Lake, in cirque above upper lake, about 10 air miles W of Weed. Comment
  UC866842  Trifolium longipes var. hansenii A. A. Heller 1916-6-20 12402 Siskiyou ne base of mountain Mt. Eddy, Metcalf's Ranch 1188 Comment
  UC1733732  Trifolium macrocephalum Frank Gould, Kay H. Beach 1940-5-15 1236 Siskiyou Bull Meadows Comment
  JEPS83895  Trifolium pratense Wayne Roderick Aug 1975 Siskiyou Cook and Green Pass Syskiyou Mtns Comment
  HSC93002  Trifolium productum Jennifer Whipple 1977-8-6 2236 Siskiyou Dale Creek drainage on the N face of Mt. Eddy 2195 Comment
  JEPS128458  Trifolium productum Julie Kierstead Nelson with Martin Lenz 2015-6-18 2015 -059 Siskiyou Headwaters of West Fork Parks Creek, 2 miles NNE of China Mountain; 7 miles W of town of Weed. Comment
  RSA60498  Trifolium repens John H. Thomas 1949-6-16 942 Siskiyou Beaver Creek Public Camp, 5 miles north of junction of Beaver Creek and Klamath River. Klamath National Forest. Comment
  UC16894  Trifolium variegatum var. melananthum T. H. Gilbert Jun 15 1899-Jul 15 1899 Siskiyou Scott River Valley Comment
  RSA582466  Trifolium variegatum var. variegatum Louis C. Wheeler 1935-6-27 3618 Siskiyou Greenview, Scott Valley. 884 Comment
  UC164017  Trifolium willdenovii Geo. D. Butler 1910-5-8 1313 Siskiyou near Yreka Comment
  HSC30420  Trifolium wormskioldii Frederick W. Oettinger 1969-8-16 1406 Siskiyou Marble Mtn. Wilderness Area, Wiregrass Meadow near English Lake 1707 Comment
  SEINET10577454  Trifolium wormskioldii var. wormskioldii Wiegand 1921-8-23 WIEGAND 1389 Siskiyou Marshy subalkaline soil, south of Montague. Comment
  UC164025  Trillium albidum Geo. D. Butler 1908-7-19 1087 Siskiyou Humbug <road> Comment
  HSC18872  Trillium ovatum J. O. Sawyer 1968-9-13 723 Siskiyou W of the Happy Camp/O'Brien Rd. between Louse Creek and Indian Creek, on the E slopes of Little Grayback 1463 Comment
  HSC99848  Trillium ovatum G. L. Clifton 1979-7-1 6184 Siskiyou Near Poker Flat, close to the town of Happy Camp 1538 Comment
  RSA78846  Trillium ovatum Philip A. Munz 1952-7-2 17889 Siskiyou Road to Baldy Mountain, NW of Happy Camp, Siskiyou Mtns. 1524 Comment
  HSC41807  Trisetum spicatum Robert Wharton 1977-8-20 Siskiyou Along E slope of Mt. Shasta at Wintun Glacier along ridge between Ash & Brewer Creeks 3354 Comment
  CAS-BOT-BC133482  Triteleia crocea L. B. Kildale 1930-6-1 9831 Siskiyou Mill Creek near Etna Mills Comment
  HSC43268  Triteleia crocea K. Irwin 1977-5-22 395 Siskiyou On S Fork Salmon River Rd., 4.5 mi. W of Cecilville Comment
  RSA666433  Triteleia hyacinthina Barbara Ertter 1990-7-15 9369 Siskiyou ca 1 mile east of Toad Lake at head of Middle Fork Sacramento River, ca. 8 air miles west of Mount Shasta City. 1982 Comment
  HSC21668  Urtica dioica subsp. holosericea C. B. Wolf 1927-8-26 1073 Siskiyou On the Klamath River near Hamburg. Comment
  CAS-BOT-BC404215  Urtica dioica subsp. holosericea Alice Eastwood 1912-9-1 1771 Siskiyou Sisson Comment
  JEPS19728  Utricularia macrorhiza Rimo Bacigalupi with S. Galen Smith and Geo. Bacigalupi Jr. 1957-6-27 5975 Siskiyou 20 mi. n.e. Weed (along causeway of U.S. Hwy. 97 between Weed and Klamath Falls, Grass Lake); Grass Lake 1544 Comment
  POM283898  Utricularia vulgaris subsp. macrorhiza H. E. Brown 1897-6-11 s.n. Siskiyou North side of Mt. Shasta. 1524 Comment
  JEPS116592  Vaccinium cespitosum Julie Kierstead Nelson with Rhonda Posey, Ross Olson 2007-8-1 2007 -024 Siskiyou The Eddys, west of Mt. Shasta. West side of Toad Lake, headwaters of Middle Fork of upper Sacramento River South China Mountain 2118 Comment
  JEPS91235  Vaccinium cespitosum Dean W. Taylor 1988-7-9 9946 Siskiyou Castle Lake region, in cirque and ridgetop above Heart Lake 1950 Comment
  CAS-BOT-BC199229  Vaccinium membranaceum Louis C. Wheeler 1934-8-16 3162 Siskiyou Klamath National Forest. Johnson Dairy 1645 Comment
  HSC19116  Vaccinium membranaceum J. O. Sawyer 1969-8-5 1785 Siskiyou Along Sugar Creek. 1921 Comment
  HSC19333  Vaccinium membranaceum J. O. Sawyer 1969-8-1 1615 Siskiyou Horseshoe Lake 2073 Comment
  HSC19334  Vaccinium membranaceum J. O. Sawyer 1969-7-3 1050 Siskiyou Near Lipstick Lake 1951 Comment
  HSC19351  Vaccinium membranaceum J. O. Sawyer 1968-6-25 303 Siskiyou NE of N Horse Range Lake 2012 Comment
  HSC19363  Vaccinium membranaceum J. O. Sawyer 1968-6-18 232 Siskiyou Valley bottom of Blakes' Fork. 1707 Comment
  HSC29338  Vaccinium membranaceum Frederick W. Oettinger 1968-9-5 721 Siskiyou Marble Mountain Wilderness Area, near inlet stream to Hancock Lake 1936 Comment
  HSC61122  Vaccinium membranaceum Ruby Van Deventer 1955-7-31 Siskiyou FS Rd. 17N04, Doe Flat Comment
  CAS-BOT-BC199252  Vaccinium ovatum F. W. Harley 1916-11-1 s.n. Siskiyou Klamath National Forest. Camp Creek watershed 121 Comment
  HSC19416  Vaccinium scoparium J. O. Sawyer 1968-7-22 547 Siskiyou Between Handcock and Diamond Lakes 1951 Comment
  RSA238863  Vaccinium uliginosum subsp. occidentale Frederick W. Oettinger 1969-8-1 1133 Siskiyou Side of Wiregrass Meadow and bordering on the English Lake outlet brook. Salmon Mtns. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1677 Comment
  UC73559  Vaccinium uliginosum subsp. occidentale Milo S. Baker 1899-1 Siskiyou Bear Mts. Comment
  CAS-BOT-BC199797  Vahlodea atropurpurea John Thomas Howell 1939-8-9 15229 Siskiyou Ridge south of Marble Valley, Marble Mts. Comment
  SEINET208830 Image available Vahlodea atropurpurea J. M. Fleschner, R Pemble 1966-9-5 Siskiyou Along trail from Marble Mt. to Sky High Lake E of Marble Mt. Marble Mt. 1975 Comment
  JEPS80556  Valeriana sitchensis subsp. sitchensis Gilbert Muth 1965-8-6 190 Siskiyou backside of Black Mountain, Marble Mountain Wilderness Area Marble Mountain Wilderness Area; Black Mountain, Marble Mountain Wilderness Area 2042 Comment
  HSC29291  Valeriana sitchensis subsp. sitchensis Frederick W. Oettinger 1968-8-6 425 Siskiyou Marble Mtn. Wilderness Area, along stream at S