Search Results — 2000 specimen records retrieved (1355 records with coordinates)
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? Specimen ID Determination * Collector Collection Date Collection Number County Locality Elevation in meters Feedback
  CAS-BOT-BC78133  Abies X shastensis Alan Bell 1962-7-1 s.n. Siskiyou Mosquito Lake, headwaters of Tangle Blue Creek, tributary of Trinity River, Trinity-Salmon Primitive Area 1981 Comment
  HSC1337  Abies concolor D. M. Thomson 1965-8-14 197 Siskiyou Lava Beds National Monument, Tickner Rd., 2 mi. SW of Mammoth Crater Comment
  HSC32593  Abies concolor Steven Lagos 1974-5-26 89 Siskiyou Duck Lake Creek drainage 146 Comment
  JEPS82417  Abies concolor Gilbert Muth 1966-8-3 494 Siskiyou Marble Valley Marble Mt. Wilderness Area, Marble Mt. 1792 Comment
  SBBG133153  Abies concolor B. C. Templeton 1968-6-13 11331 Siskiyou Mt Shasta, on rd to ski bowl 2835 Comment
  HSC39922  Abies lasiocarpa J. O. Sawyer 1971-7-16 2431 Siskiyou Slopes NE of Deep Lake, Bulk Collection 115 2165 Comment
  HSC66074  Abies lasiocarpa Timothy B. Devine 1976-10-23 364 Siskiyou NW side of little Duck Lake 2043 Comment
  CHSC27348  Abies magnifica var. shastensis T. B. Devine 1976-10-23 363 Siskiyou Growing about 100 yds n of Little Duck Lake. 2042 Comment
Read comments
Apr 10 2006
  JEPS84284  Abies procera L. R. Heckard with R. Raiche and S. Winchester 1986-7-17 6487 Siskiyou ne of summit Copper Butte (e of Cook and Greene Pass) 1767 Comment
  SEINET3111501  Acer circinatum Steve Selva, Roger Jensen 1974-8-22 33 Siskiyou Along trail from Doe Flat campground to Buck Lake. Comment
  LA202792  Acer glabrum var. glabrum Wm. Bridge Cooke; 1939-8-4 13809 Siskiyou Mt. Shasta, along the Sisson Southern Trail in branches of Cascade Gulch and in the Gulch. 1676 Comment
  HSC68540  Acer macrophyllum Maralyn A. Renner 1980-6-25 1113 Siskiyou Little South Fork Indian Creek, W Fork 1220 Comment
  UC796498  Acer macrophyllum Roxana S. Ferris and Laura Lorraine Jun 12 1948-Jun 16 1948 11778 Siskiyou on forks of Salmon Road about 5.5 mi from Etna; Forks of Salmon road Comment
  UC166209  Acer negundo Geo. D. Butler 1910-6-30 1617 Siskiyou Yreka Creek Comment
  JEPS32000  Acer negundo var. californicum W. B. and V. G. Cooke with Bob Frenkel 1963-7-12 34324 Siskiyou Memorial Highway below McBride Springs (Mt. Shasta); , below McBride Springs Comment
  CAS-BOT-BC18865  Achillea millefolium David D. Keck 1940-6-13 5177 Siskiyou 9 mi. S of Macdoel, on U.S. 97 between Dorris and Weed 1463 Comment
  CDA281  Achillea millefolium Gordon Leppig 1998-8-14 1029 Siskiyou Northern California Peatlands; Klamath National Forest, Russian Wilderness, Little Duck Lake Fen, in cirque west of Little Duck Lake. Comment
  CAS-BOT-BC18868  Achillea millefolium William Bridge Cooke 1940-7-5 15252 Siskiyou Mount Shasta, Wagon Camp Meadow 1737 Comment
  CAS-BOT-BC400004  Achlys triphylla A. M. Vollmer; L. Beane 1951-6-2 87 Siskiyou Happy Camp, Klamath River Highway Comment
  CHSC110946  Achnatherum nevadense B. Castro; L. P. Janeway 2007-7-29 1670 Siskiyou High Cascade Range. Medicine Lake Highlands; Pumice Stone Mountain, at base of N-facing slope. Ca 150 ft up old Rd 43N39 (now closed) from jcn with its 'A' spur, in the old roadbed. 1950 Comment
  CAS-BOT-BC216930  Achnatherum occidentale Ralph K. Gierisch 1968-8-6 3362 Siskiyou Elk Flat, Shasta-Trinity forest 1310 Comment
  UCD50890  Achnatherum occidentale R. Tofsrud 1949-8-3 s.n. Siskiyou Soap Creek Ridge, between Yreka and Fort Jones. 1828 Comment
  SEINET7593408 Image available Achnatherum occidentale Frederick W. Oettinger 1969-1 1352 Siskiyou Salmon Mountains, High Lake basins in the vicinity of English Peak, Marble Mountain Wilderness Area - southeast ridge of English Peak 2134 Comment
  CAS-BOT-BC210875  Achnatherum occidentale subsp. californicum John Thomas Howell 1937-7-22 13258 Siskiyou South Fork of Salmon River near Big Flat 1524 Comment
  JEPS72939  Achnatherum occidentale subsp. californicum W. L. Jepson 1940-6-28 20054 a Siskiyou McCLoud 975 Comment
  UC618668  Achnatherum occidentale subsp. occidentale W. B. Cooke 1938-8-18 11471 Siskiyou Horse Camp Springs Mount Shasta Comment
  CAS-BOT-BC218018  Achnatherum thurberianum John Thomas Howell 1952-6-14 28352 Siskiyou Serpentine Knoll, 7 miles E of Callahan on road to Gazelle Comment
  JEPS94899  Achnatherum thurberianum Vernon H. Oswald and Lowell Ahart 1998-6-11 9192 Siskiyou ne of Weed (Shasta National Forest plantation on the w side of Highway 97 2.2 mi ne of Lake Shastina-Big Springs Road); Shasta National Forest plantation 1066 Comment
  RSA416308  Achyrachaena mollis Louis C. Wheeler 1935-5-26 3533 Siskiyou Siskiyou Mts. Mt. Diablo Mer. 854 Comment
  HSC71631  Acmispon micranthus J. P. Smith 1973-5-5 6504 Siskiyou Along Cook and Green Pass Rd. Comment
  HSC71544  Acmispon nevadensis J. P. Smith, Steve Selva 1970-6-16 4043 Siskiyou 4 mi. from Hwy. 3 on Rd. 8 to Sugar Creek. 1159 Comment
  CAS-BOT-BC391534  Aconitum columbianum subsp. columbianum A. A. Heller 1914-8-28 11724 Siskiyou East side of Mt. Eddy 1310 Comment
  CAS-BOT-BC391536  Aconitum columbianum subsp. columbianum A. A. Heller 1914-8-28 11724 Siskiyou East side of Mt. Eddy 1310 Comment
  CAS-BOT-BC391539  Aconitum columbianum subsp. columbianum H. A. Thomas; J. H. Thomas 1954-7-25 4521 Siskiyou Salmon - Trinity Mts. Vicinity of Rush Lake and Rush Creek Meadow. About 9 miles E of Cecilville 1981 Comment
  HSC69335  Aconitum columbianum subsp. columbianum John Palmer 1980-8-13 771 Siskiyou Dead Cow Creek, near USFS Rd. 47N44, Beaver Creek Rd. 1616 Comment
  RSA32897  Aconitum columbianum var. columbianum A. A. Heller 1927-8-1 14433 Siskiyou Sisson. Comment
  CAS-BOT-BC412615  Aconogonon alaskanum John Thomas Howell 1939-8-3 14976 Siskiyou Spirit Lake, Marble Mts. 1828 Comment
  CAS-BOT-BC412907  Aconogonon davisiae K. T. Stillman 1976-6-25 93 Siskiyou Marble Mountain Wilderness Area. Between Marble Gap & Elk Valley trail Comment
  CAS-BOT-BC412912  Aconogonon davisiae Robert F. Thorne; Fred Oettinger 1969-8-10 38986 Siskiyou Mt. Shasta National Forest: S slope of Mt. Shasta 2438 Comment
  CAS-BOT-BC412918  Aconogonon davisiae Gilbert Muth 1966-7-14 392 Siskiyou Flat above Marble Valley, Marble Gap Trail, Marble Mts. 1828 Comment
  CDA6767  Acroptilon repens W. Martin 1968-8-19 Siskiyou Yreka City Corporation Yard. 0 Comment
  RSA184771  Actaea rubra subsp. arguta Gilbert Muth 1966-7-17 39 Siskiyou Trail to lookout, Marble Mtns. Comment
  RSA238292  Actaea rubra subsp. arguta Frederick W. Oettinger 1968-9-1 635 Siskiyou E. shore of Abbotts Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1723 Comment
  CAS-BOT-BC29322  Adenocaulon bicolor A. A. Heller 1916-8-24 12558 Siskiyou Near Sisson 1074 Comment
  UC371160  Adiantum aleuticum G. D. Butler 1908-8-8 242 Siskiyou Wooly Creek 1676 Comment
  CAS-BOT-BC65730  Adiantum pedatum Robert T. Clausen; Harold Trapido 1940-7-28 4985 Siskiyou 1 mile up canyon of Canyon Creek from Scott River, 12 miles south of Hamburg 762 Comment
  UC1026513  Aegilops cylindrica John Thomas Howell 1952-6-15 28366 Siskiyou along rd. just e. Montague Comment
  JEPS62938  Agastache urticifolia W. L. Jepson 1937-7-30 18555 Siskiyou Poker Flat , Poker Flat (Siskiyou Mts.) 1584 Comment
  SD88560  Agastache urticifolia Darley F. Howe 1972-7-6 Siskiyou 1.3 miles south of Oregon state line on road to Happy Camp 1646 Comment
  CHSC286  Ageratina occidentalis K. Jaekel 1939-7-14 Siskiyou Mt. Shasta. 1767 Comment
  RSA714932  Ageratina occidentalis M. E. Fishbein 2006-8-3 5873 Siskiyou Along Forest Service road 49, 7 miles SSW of Medicine Lake, 0.4miles NE of Snag Hill. 1585 Comment
  HSC4755  Agoseris aurantiaca William J. Ferlatte 1966-8-5 322 Siskiyou N side of Caribou Mtn. 1921 Comment
  UC642578  Agoseris aurantiaca var. aurantiaca W. B. Cooke 1939-7-26 13638 Siskiyou lower portion of the meadow area Panther Creek; Mount Shasta Comment
  UC922276  Agoseris aurantiaca var. aurantiaca Annie M. Alexander and Louise Kellogg 1949-7-22 5839 Siskiyou trail to Kings Castle ((top of ridge)); Marble Mountains, Paradise Lake 1920 Comment
  UC891262  Agoseris grandiflora var. grandiflora A. A. Heller 1916-8-12 12555 Siskiyou n Sisson 1127 Comment
  CAS-BOT-BC13189  Agoseris monticola Wm. Bridge Cooke 1938-9-8 11643 Siskiyou Near the South Gate Springs, Mount Shasta 2499 Comment
  CAS-BOT-BC126980  Agrostis exarata E. Palmer 1892-1-1 2634 Siskiyou Near Mount Shasta. Comment
  HSC26916  Agrostis exarata J. P. Smith, J. O. Sawyer 1971-9-17 4779 Siskiyou Little Duck Lake Comment
  HSC30613  Agrostis exarata Frederick W. Oettinger 1968-9-7 755 Siskiyou Marble Mtn. Wilderness Area, along N shoreline of Hancock Lake 1936 Comment
  UC815001  Agrostis exarata John Thomas Howell 1939-8-9 15205 Siskiyou Sky High Valley Marble Mts. 1828 Comment
  HSC39672  Agrostis gigantea J. P. Smith, J. O. Sawyer 1971-9-18 4830 Siskiyou 2 mi. W of the junction of Hwy. 3 and Rd. 8, N of Callahan. 1037 Comment
  CAS-BOT-BC139348  Agrostis idahoensis Elmer I. Applegate 3841 Siskiyou Medicine Lake, west side. 1981 Comment
  HSC30516  Agrostis pallens Frederick W. Oettinger 1969-8-16 1390 Siskiyou Marble Mtn. Wilderness Area, rocky slope facing meadow near Upper English Lake 1768 Comment
  RSA126057  Agrostis scabra I. L. Wiggins 1955-7-22 13448 Siskiyou South Fork of Salmon River, 9.5 miles above Cecilville. 1067 Comment
  RSA238351  Agrostis stolonifera Frederick W. Oettinger 1968-9-8 790 Siskiyou Cliffs south of English Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. Comment
  UC1025009  Agrostis thurberiana Leo Whitney 1935-7-15 3480 Siskiyou 2 mi se Medicine Lake; Bullseye Lake Comment
  HSC77086  Agrostis variabilis K. T. Stillman 1976-7-30 331 Siskiyou Marble Mtn. Wilderness Area, Elk Valley. Comment
  RSA384933  Agrostis variabilis M. B. Dunkle 9317 Siskiyou Klamath Nat'l Forest, Marble Mountains, Sierra Nevada. Comment
  CAS-BOT-BC138357  Aira caryophyllea var. caryophyllea Louis C. Wheeler 1934-6-4 2647 Siskiyou Siskiyou Mountains. Horse Creek. 762 Comment
  CAS-BOT-BC459428  Allium acuminatum Geo. D. Butler 1909-5-26 788 Siskiyou near Yreka Comment
  CAS-BOT-BC462377  Allium amplectens Geo. D. Butler 1910-5-17 1358 Siskiyou Dampland Yreka Comment
  CAS-BOT-BC461069  Allium anceps M. S. Taylor; J. Prouty 1980-6-25 2965 Siskiyou Grizzly Peak and ridge west of peak, 5 miles due east of Lake McCloud, Big Bend Quad., 1889 Comment
  SEINET8118880  Allium bolanderi G. D. Butler 1910-6-3 1469 Siskiyou Quartz Valley. Comment
  SEINET3883864  Allium bolanderi var. mirabile D. W. McNeal 1992-5-16 3910 Siskiyou Above the dirt rd. running nw. from Hilt, 4.8 mi. nw. of Interstate #5 at the HIlt exit.; 0 Comment
  CAS-BOT-BC469246  Allium falcifolium John Thomas Howell 1937-7-29 13526 . Siskiyou Caribou Basin, Salmon-Trinity Alps 2286 Comment
  RSA131708  Allium siskiyouense Lee W. Lenz 1958-6-22 23298 Siskiyou Crest of Siskiou on road from Happy Camp to Cave Jct. (Ore) 1555 Comment
  UC15003  Allium siskiyouense Harley P. Chandler June, 1901 1647 Siskiyou Marble Mountain North Coast Ranges, Marble Mountain 2438 Comment
  HSC69111  Allium validum Maralyn A. Renner 1980-8-6 2304 Siskiyou Cracker Meadow 1555 Comment
  JEPS74459  Allium validum W. J. Ferlatte 1966-8-17 393 Siskiyou Caribou Basin 1981 Comment
  HSC104286  Allotropa virgata Samantha E. Andres 2016-7-23 24 Siskiyou Klamath National Forest, along Doe Flat Trail leading up to Devil's Punchbowl 1372 Comment
  CAS-BOT-BC453443  Allotropa virgata Volney Rattan 1879-6-1 s.n. Siskiyou Klamath Comment
  HSC27686  Allotropa virgata Carl W. Mize 1979-6-8 43 Siskiyou 335 Comment
  POM166506  Alnus incana subsp. tenuifolia H. P. Chandler 1901-06 1618 Siskiyou Near Marble Mountain 2134 Comment
  HSC36721  Alnus rhombifolia Brent Whitely 1975-7-5 140 Siskiyou 213 Comment
  UC1045286  Alnus rhombifolia W. Bridge Cooke 1940-7-12 15313 Siskiyou along creeks leading to Box Canyon of the Sacramento (near Mt. Shasta City) Comment
  CAS-BOT-BC169390  Alnus viridis subsp. sinuata John Thomas Howell 1937-7-24 13395 Siskiyou Caribou Basin, Salmon-Trinity Alps 2286 Comment
  HSC29274  Alnus viridis subsp. sinuata Frederick W. Oettinger 1969-7-14 1012 Siskiyou High Lake Basins in the vicinity of English Peak, Marble Mountain Wilderness Area; along South of Charmaine lake 1921 Comment
  HSC65416  Alnus viridis subsp. sinuata Rich White 1978-7-3 221 Siskiyou Lake E of Sawtooth Trail, N of Dillon Trail 1502 Comment
  SBBG14332  Alnus viridis subsp. sinuata J. Major 1961-7-14 649 Siskiyou Mud Crk, Mt Shasta 2316 Comment
  UC1736429  Alnus viridis subsp. sinuata Dean W. Taylor 1999-8-12 17301 Siskiyou Mill Creek headwaters, Marble Mountains (ca. 4 miles W of Mugginsville, Quartz Valley), creek crossing on logging road 1341 Comment
  UCD110046  Alnus viridis subsp. sinuata Jack Major 1961-7-14 642 Siskiyou Mud Creek, Mount Shasta. 1706 Comment
  RSA52438  Alyssum alyssoides Dorothy Parker 1948-6-12 s.n. Siskiyou Siskiyou County: Parker Ranch, Plowman s Valley Comment
  UCD114088  Alyssum alyssoides Jean Langenheim 1957-5-19 4341 Siskiyou Along road between Gazelle and Callahan. Comment
  HSC26934  Amaranthus albus J. P. Smith, J. O. Sawyer 1971-9-18 4823 Siskiyou 1.2 mi. W of junction of Hwy. 3 and Rd. 8, N of Callahan. Comment
  HSC2905  Amaranthus blitoides R. C. Wunner 1965-8-26 482 Siskiyou Lava Beds National Monument, near N Prefab., around house in red pumice 1433 Comment
  HSC86362  Amelanchier alnifolia J. O. Sawyer 1983-7-7 4233 Siskiyou Top of Medicine Mtn. 2085 Comment
  UCD35448  Amelanchier alnifolia Beecher Crampton 1956-8-22 3870 Siskiyou 3-4 miles east of Mt. Shasta City, Mt. Shasta Pine logging road. 1584 Comment
  CAS-BOT-BC142870  Amelanchier alnifolia var. semiintegrifolia Gilbert Muth 1966-7-8 369 Siskiyou Marble Valley Meadow - Marble Mts. 1792 Comment
  CAS-BOT-BC26878  Amelanchier gracilis Amos Arthur Heller 1905-6-5 7970 Siskiyou Between Shasta Retreat and Shasta Springs Comment
  HSC36643  Amelanchier pallida A. M. Montalvo, J. D. Ackerman 1975-7-18 578 Siskiyou The Eddy's, between Mt. Eddy and Boulder Peak, headwaters of S Fork of Sacramento River 1829 Comment
  HSC4959  Amelanchier pallida J. O. Sawyer 1968-7-22 529 Siskiyou Between Handcock and Diamond Lakes 1951 Comment
  JEPS94380 Image available Amelanchier utahensis Vernon Oswald and Lowell Ahart 1997-7-28 8793 Siskiyou se of Medicine Lake (at Paynes Springs, on walls of Paynes Creek Canyon n of the campground); Paynes Springs, Paynes Creek Canyon 1981 Comment
  UC1540021  Amelanchier utahensis M. Mitchell 1936-5-14 18 Siskiyou Captain Jack's Stronghold 1249 Comment
  CHSC91230  Amphiscirpus nevadensis Lowell Ahart; John Dittes 2005-6-9 12025 Siskiyou Meadow area along a small drainage, on the west side of a poor rock fence, about 150 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
  CHSC86660  Amsinckia menziesii Jenny Marr 1993-7-1 43 Siskiyou Butte Valley Wildlife Area, +/- 7 air miles NW of the town of MacDoel. Meadow NW of Meiss Lake. 1349 Comment
  UC1178231  Amsinckia menziesii var. menziesii Jean H. Langenheim 1957-5-19 4348 Siskiyou intersection of Miner's Creek Road and Tiger Creek Road Comment
  JEPS95387  Anaphalis margaritacea Vernon H. Oswald and Lowell Ahart 1994-8-1 6416 Siskiyou 7.8 mi. s.w.of dam at Lake Siskiyou (Forest Rd. 26 paralleling S. Fork Sacramento R., 1.5 mi. e. of Forest Rd. 40N43) 1341 Comment
  RSA96846  Anaphalis margaritacea Percy C. Everett, E. K. Balls 1954-10-14 20295 Siskiyou Along Klamath River, 7.6 mi. N of Somesbar, Hwy 96. 244 Comment
  UC165413  Ancistrocarphus filagineus Geo. D. Butler 1910-4-27 1244 Siskiyou (dry trodden places) Oro Fino Comment
  CAS-BOT-BC391752  Anemone John Thomas Howell 1939-8-8 15165 Siskiyou Black Mt., Marble Mts. Comment
  CAS-BOT-BC391793  Anemone deltoidea L. R. Short 1933-8-7 19 Siskiyou Klamath National Forest. Marble Mts. 1798 Comment
  CAS-BOT-BC391807  Anemone deltoidea John Thomas Howell 1939-8-2 14927 Siskiyou Spirit Lake, Marble Mts. Comment
  HSC68434  Anemone deltoidea Maralyn A. Renner 1980-7-5 1500 Siskiyou Doe Flat 1220 Comment
  RSA238287  Anemone deltoidea Frederick W. Oettinger 1968-8-6 427 Siskiyou SE corner of Hancock Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1936 Comment
  JEPS74465  Anemone drummondii W. J. Ferlatte 1966-6-23 120 Siskiyou Trinity Alps, Dorleska summit 2133 Comment
  SBBG2105  Anemone drummondii J. F. Davidson, J. M. Tucker 1947-5-17 1566 Siskiyou summit of Scott Mtn 2072 Comment
  UCR37569  Anemone drummondii L. Linstedt, C. Houseman, M. A. Strull 1984-5-27 62 Siskiyou 0.7 miles from Hwy 3 on road 40N OB 1677 Comment
  SEINET3158790  Anemone drummondii G. D. Butler 1910-7-8 1683 Siskiyou Marble mountain 1676 Comment
  HSC58898  Anemone lyallii Marvin Butler 1971-7-6 31 Siskiyou Near El Capitan 2440 Comment
  JEPS60521  Anemone multifida Geo. D. Butler 1908-8-5 45 Siskiyou summit above Cold Spring 1828 Comment
  CAS-BOT-BC391971  Anemone occidentalis Harley P. Chandler 1901-6-1 1676 Siskiyou North Coast Ranges. Marble Mountain 2438 Comment
  UC1188083  Anemone occidentalis Philip A. Munz 1960-8-22 24184 Siskiyou Mt. Shasta, Panther Meadows 2529 Comment
  UC903756  Anemone occidentalis M. B. Dunkle July, 1945 Siskiyou Marble Mts., Klamath Nat'l Forest Comment
  HSC28678  Anemone occidentalis Frederick W. Oettinger 1967-7-25 182 Siskiyou Marble Mtn. Wilderness Area, SSE of English Peak 2223 Comment
  HSC62126  Anemone occidentalis Al Hobart Siskiyou Preston Peak Comment
  RSA537380  Anemone occidentalis Walter Wisura, J. Romero 1991-10-16 4592 Siskiyou SW-slopes of Mt. Shasta near Ski bowl. Comment
  UC375346  Anemone occidentalis Geo. D. Butler 1909-7-15 900 Siskiyou head of Taylor Creek; Salmon Range, Taylor Creek 2133 Comment
  HSC61189  Angelica tomentosa Al Hobart 1967-8-8 Siskiyou El Capitan Comment
  HSC91110  Angelica tomentosa Jennifer Whipple 1976-9-3 1785 Siskiyou W facing slope of the ridge between Durney Lake and Little Crater Lake 2195 Comment
  JEPS19765  Angelica tomentosa Rimo Bacigalupi with S. Galen Smith 1957-6-26 5941 Siskiyou about 11 mi sw of town of Mount Shasta (between White Ridge and Scott Camp Ridge, along road to Gumboot Lake, in Canyon of South Fork Sacramento River); South Fork Sacramento River 1219 Comment
  HSC71989  Angelica tomentosa J. M. DiTomaso 1980-8-5 1851 Siskiyou Baldy Mtn. Lookout, 6 mi W of Happy Camp, 200 m N of lookout 1707 Comment
  UCD127177  Angelica tomentosa Joseph DiTomaso 1980-8-5 1853 Siskiyou Baldy Mt. Lookout, 6 miles west of Happy Camp. 200 m north of lookout. 1706 Comment
  CAS-BOT-BC271482  Anisocarpus madioides Ira L. Wiggins 1955-7-23 13466 Siskiyou Ridge W of China Creek, S side of S Fork of Salmon River 1005 Comment
  HSC67032  Anisocarpus madioides J. P. Smith, Steve Selva 1970-6-14 3881 Siskiyou Road to Steinacher Creek near Somes Bar. Comment
  HSC94197  Anisocarpus madioides G. Fred Hrusa 1998-7-5 14694 Siskiyou Cedar Camp Rd., approx. 5 mi. E of Weitchpec on Hwy. 96. N side of Hwy Comment
  HSC44892  Antennaria argentea Maralyn O'Meara 1974-5-25 406 Siskiyou Along road to Duck Lakes trail 1402 Comment
  HSC67542  Antennaria argentea J. P. Smith, J. O. Sawyer 1972-6-30 5640 Siskiyou Junction of French Creek and Sugar Creek Rd., 1/2 mi. W of Parrott Mill Rd. 1250 Comment
  RSA120795  Antennaria argentea S. S. Tillett 1956-7-11 700 Siskiyou just N of campground, Scott Mtn divide, Siskiyou - Trinity County line, 8 mile SE of Callahan. 1631 Comment
  UC127735  Antennaria argentea Harley P. Chandler 1901-6-1 1714 Siskiyou at, (ridges and meadows near Marble Mountain) Shackleford Canyon; North Coast Ranges, Marble Mountain 1828 Comment
  HSC82554  Antennaria dimorpha Thomas W. Nelson, Jane P. Nelson 1979-5-26 4714 Siskiyou Along Hwy. 3, N of Scott Mtn. Summit, at junction with FS Rd. 40N03 1524 Comment
  JEPS22834  Antennaria geyeri A. A. Heller 1938-7-12 15245 Siskiyou 5 mi n Weed (on Highway 49) 1066 Comment
  SEINET2033733  Antennaria geyeri J. William Thompson 1936-7-8 13158 Siskiyou Lava BedsNational Monument Comment
  CAS-BOT-BC58712  Antennaria geyeri Elmer I. Applegate 1936-7-3 10501 Siskiyou Lava Beds National Monument. East side of Hippo Butte Comment
  RSA238703  Antennaria howellii Frederick W. Oettinger 1968-9-3 679 Siskiyou Between Horse Range Lake and 'Horses Hole' pond. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1860 Comment
  UC1222877  Antennaria howellii subsp. howellii Joseph P. Tracy 1950-7-20 19206 Siskiyou 5 mi se Elk Valley; Flint Valley 1432 Comment
  JEPS82731  Antennaria howellii subsp. howellii Wayne Roderick 1983-7-8 Siskiyou on n-facing slope Cook and Green Pass 1432 Comment
  RSA607256  Antennaria media L. C. Wheeler 1935-7-23 3690 Siskiyou Jaynes Canyon. Siskiyou Mts., Mt. Diablo Mer. 1951 Comment
Read comments
Jul 18 2011
  CAS-BOT-BC79905  Antennaria microphylla Gilbert Muth 1966-7-25 451 Siskiyou Marble Mountain Lookout, Marble Mts. 2097 Comment
  CAS-BOT-BC79908  Antennaria microphylla Geo. D. Butler 1910-6-5 1519 Siskiyou Loy Lake Comment
  HSC62588  Antennaria microphylla Al Hobart Siskiyou Youngs Valley Comment
  RSA20170  Antennaria rosea J. T. Howell 1937-7-21 13177 Siskiyou S Fork of Salmon river near Big Flat. 1524 Comment
  RSA238707  Antennaria rosea Frederick W. Oettinger, J. Morrison 1967-8-17 277 Siskiyou Common on Shasta Ridge, approx. 0.1 mi. SSW of Diamond Lake; e-facing slope amid granite boulders near woods edge. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2098 Comment
  SEINET10474093  Antennaria rosea Mary Susan Taylor 1980-7-8 Taylor 3098 Siskiyou T39N R5W south center sec 19, Dunsmuir quad; Shasta-Trinity Natl Forest; S end of Little Castle Lake, in steep granitic cliffs. 1768 Comment
  HSC33962  Antennaria rosea subsp. rosea J. P. Smith 1974-5-25 7446 Siskiyou Near junction of Rd. 8 with French Creek Rd. 1280 Comment
  HSC69506  Antennaria rosea subsp. rosea John Palmer 1980-7-24 654 Siskiyou Dillon Divide 1707 Comment
  HSC29208  Antennaria umbrinella Frederick W. Oettinger 1968-8-5 402 Siskiyou High Lake Basins in the vicinity of English Peak; Marble Mountain Wilderness Area, 'Shasta Ridge' between Diamond Lake and English Peak 2073 Comment
  RSA416838  Anthemis cotula Mr Chadwick, Chadwick 1911-07 1931 Siskiyou Shasta Springs. Comment
  HSC3206  Apocynum androsaemifolium Geo. D. Butler 1908-8-24 73 Siskiyou Russian Creek 1067 Comment
  HSC65308  Apocynum androsaemifolium J. P. Smith, Steve Selva 1970-7-15 4371 Siskiyou 2 mi. below the Baldy Mt. Lookout Station. Comment
  JEPS49785  Apocynum androsaemifolium Willis L. Jepson Jul 24 1894-Aug 10 1894 14619 Siskiyou Sisson region of Upper Sacramento, Sisson Comment
  HSC3211  Apocynum androsaemifolium Geo. D. Butler 1908-9-6 78 Siskiyou Butler Ranch, near Yreka. Comment
  RSA403113  Apocynum androsaemifolium subsp. pumilum B. C. Templeton 1964-6-10 10071 Siskiyou South of Mt. Shasta on Hwy. 5 Comment
  UC166050  Aquilegia formosa Geo. D. Butler 1908-8-9 352 Siskiyou s Marble Valley (hillside) 1828 Comment
  UC618885  Aquilegia formosa W. B. C. 1938-7-29 11424 Siskiyou Bear Springs Mount Shasta 1737 Comment
  HSC81750  Aquilegia formosa Thomas W. Nelson, Jane P. Nelson 1980-7-19 6199 Siskiyou Along USFS Rd. 41N17 1.0mi junction with Callahan-Cecilville Rd. 1585 Comment
  HSC37161  Aquilegia formosa var. formosa A. M. Montalvo, J. D. Ackerman 1974-7-2 347 Siskiyou E slope of Mt. Eddy, near Morgan Meadows, W of Mt Shasta City. Comment
  HSC23654  Arabis breweri var. breweri J. O. Sawyer 1969-7-24 1466 Siskiyou NW facing slope SW of Sugar lake. 1829 Comment
  RSA0125827  Arabis glabra Douglas Barbe 1955-7-4 94 Siskiyou 9 miles S of Etna at junction of Parrot Mill Road and French Creek Road. 945 Comment
  UC1483493  Arabis holboellii var. pinetorum J. Sawyer and J. Cole 1980-7-22 3916 Siskiyou nw slopes Cedar Mtn.; Klamath National Forest, Bray Quad. 1524 Comment
  HSC77124  Arabis holboellii var. retrofracta K. T. Stillman 1976-8-7 181 Siskiyou Marble Mtn. Wilderness Area. Comment
  HSC69143  Arabis koehleri Maralyn A. Renner 1980-8-8 2474 Siskiyou Klamath National Forest, near trail, ~0.5 mi. down from Rattlesnake Meadow 1555 Comment
  RSA0128944  Arabis modesta Elmer I. Applegate 1932-4-16 7065 Siskiyou Between Hamburg and Seiad Valley, Klamath River Comment
  HSC66304  Arabis platysperma var. howellii Maralyn A. Renner 1980-8-7 2377 Siskiyou Klamath National Forest, NW flank of Preston Peak, near summit 2180 Comment
  JEPS53154  Arabis rectissima var. rectissima Willis L. Jepson 1894-7-24 59 c Siskiyou n of Sisson (Muir's Peak and Upton Plateau); Region of the Upper Sacramento, Black Butte Comment
  CDA24663  Arabis sparsiflora F. D. Horn 1976-5-11 Siskiyou Shasta Vista Estates (Sheeprock area), Grenada. 0 Comment
  HSC42970  Arabis sparsiflora var. subvillosa J. O. Sawyer, Ken Stillman 1976-5-29 2746 Siskiyou Along Specimen Creek 1433 Comment
  HSC68419  Arabis subpinnatifida Maralyn A. Renner 1980-6-9 854 Siskiyou Ridge SE of FS Rd. 45N35 1341 Comment
  HSC65083  Aralia californica J. P. Smith, Steve Selva 1970-6-14 3887 Siskiyou 1 mi. E of Steinacher Creek Rd. on Rd. to Forks of Salmon Comment
  SEINET8530039  Arceuthobium tsugense subsp. mertensianae R. L. Mathiasen 2003-7-27 2003 -41 Siskiyou 1.2 km NW of Ahlgren Cabin on Garden Gulch Trail Comment
  CDA6781  Arctium minus T. C. Fuller 1960-8-23 4965 Siskiyou ca. 1 mile south of Greenview. 0 Comment
  CAS-BOT-BC39005  Arctostaphylos klamathensis Wayne Roderick; Martha Roderick 1979-7-11 s.n. Siskiyou Mumbo Basin 1737 Comment
  SEINET11996228  Arctostaphylos klamathensis F. T. Callahan 1982-1 6045 Siskiyou intersection of main rd into wilderness area & spur rd ca 1.5 mi W of Scott Mt Campground 1829 Comment
  UCD51962  Arctostaphylos manzanita Warren Roberts 1967-9-25 Siskiyou Near Somes Bar. Comment
  RSA78813  Arctostaphylos manzanita subsp. manzanita P. A. Munz 1952-7-2 17887 Siskiyou Road to Baldy Mt., northwest of Happy Camp, Siskiyou Mts. 1524 Comment
  HSC22079  Arctostaphylos nevadensis J. O. Sawyer 1969-6-10 1305 Siskiyou Above S Sugar Lake, SE facing slope 2165 Comment
  HSC65419  Arctostaphylos nevadensis Rich White 1978-7-3 202 Siskiyou 0.5 mi. up Dillon Ridge Trail 1715 Comment
  HSC76972  Arctostaphylos nevadensis K. T. Stillman 1976-6-25 46 Siskiyou Marble Mtn. Wilderness Area 1829 Comment
  RSA50235  Arctostaphylos nevadensis E. K. Balls 1949-7-9 13944 Siskiyou 10.3 miles from Etna on rd. to Sawyer's Bar. Summit of pass over Salmon Mts. 1479 Comment
  SEINET3411144 Image available Arctostaphylos nevadensis James D. Montgomery 1969-7-24 80918 d Siskiyou Mount Shasta, Shasta National Forest. 1981 Comment
  UCR19852  Arctostaphylos nevadensis John C. Roos 1948-9-1 3951 Siskiyou High ridge, summit of pass, in the mountains SW of Etna Comment
  CAS-BOT-BC46464  Arctostaphylos patula D. E. Breedlove 1962-6-11 3364 Siskiyou Along State Hwy. 89, 8.0 mi. e. of McCloud; Cascade Range. 1127 Comment
  CAS-BOT-BC46467  Arctostaphylos patula Alice Eastwood 1912-9-1 s.n. Siskiyou Sisson. Comment
  HSC67779  Arctostaphylos patula J. O. Sawyer, J. Cole 1980-7-21 3864 Siskiyou N of FS Rd. 44N01 near intersection with road to Lava Camp. 1677 Comment
  HSC68451  Arctostaphylos patula Maralyn A. Renner 1980-6-26 1257 Siskiyou SE edge of Flint Valley. 1390 Comment
  JEPS38836  Arctostaphylos patula Geo. D. Butler 1909-5-30 586 Siskiyou Yreka Hills Comment
  UC1409416  Arctostaphylos patula Frederick W. Oettinger 1968-8-15 527 Siskiyou n end Hancock Lake; Salmon Mountains, Marble Mountain Wilderness Area 1935 Comment
  SEINET11989685  Arctostaphylos patula subsp. patula R. Raiche, Radnik, K. 1982-1 20779 Siskiyou Humbug Rd near Yreka 914 Comment
  CAS-BOT-BC47097  Arctostaphylos viscida subsp. viscida Walter Knight; Irja Knight 1979-9-6 3424 Siskiyou Marble Rim below Lookout (north), Marble Mts. 2072 Comment
  RSA237837  Arenaria congesta Frederick W. Oettinger 1969-9-3 1621 Siskiyou North side of Crapo ridge, by trail crossing. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2134 Comment
  JEPS81883  Arenaria congesta var. congesta Roger Raiche 1982-7-7 20567 Siskiyou Condrey Mt. 2164 Comment
  UC609322  Arenaria congesta var. crassula Eleanor Burks Hart 1938-8-18 905 Siskiyou Upper Wright Lake Upper Wright Lake (Dry ridge above) 2316 Comment
  RSA105498  Arenaria congesta var. suffrutescens G. D. Barbe 1955-7-26 263 Siskiyou On northwest slope of Scott Mtn. 1829 Comment
  CDA34594  Arenaria kingii var. glabrescens M. Beyers, G. F. Hrusa 2010-8-18 706 Siskiyou Highway 3; +/- south of Callahan, just N of where Pacific Crest Trail intersects hwy. 1638 Comment
  CAS-BOT-BC384749  Arenaria serpyllifolia var. serpyllifolia John Thomas Howell 1952-6-14 28349 Siskiyou East of Etna on Ft. Jones - Callahan road Comment
  POM253187  Arnica chamissonis subsp. foliosa A. A. Heller 1938-7-13 15270 Siskiyou 1 mile south of Bray 1402 Comment
  CAS-BOT-BC82364  Arnica cordifolia J. H. Thomas 1954-5-13 4145 Siskiyou Salmon Mountains, Klamath National Forest. Near South Fork of Salmon River, 5 to 9 miles southeast of Cecilville, 1127 Comment
  UC166589  Arnica discoidea Geo. D. Butler 1910-6-4 1492 Siskiyou Shackleford Creek Comment
  HSC29105  Arnica diversifolia Frederick W. Oettinger 1969-8-9 1441 Siskiyou High Lake Basins near English Peak, Marble Mountain Wilderness Area; 1/2 mile NNE of English Peak and within English Lake Basin 1951 Comment
  CAS-BOT-BC82669  Arnica latifolia John Thomas Howell 1939-8-2 14910 Siskiyou Spirit Lake, Marble Mts. 1828 Comment
  HSC22143  Arnica latifolia J. O. Sawyer 1969-7-18 1367 Siskiyou E of Waterdog Lake 2012 Comment
  HSC22159  Arnica latifolia J. O. Sawyer 1969-6-11 848 Siskiyou Above C.C.C. road. 1287 Comment
  UC468980  Arnica latifolia Annie M. Alexander and Louise Kellogg 1911-6-24 183 Siskiyou Jackson L. 1798 Comment
  UC609369  Arnica latifolia Eleanor Burks Hart 1938-8-16 916 Siskiyou Upper Wright Lake 2225 Comment
  HSC22156  Arnica latifolia J. O. Sawyer 1969-7-2 1035 Siskiyou Near summit above Lipstick Lake 2226 Comment
  SEINET3098725 Image available Arnica latifolia var. viscidula Eleanor Burks Hart 1938-8-17 915 Siskiyou Upper Wright Lake. 2230 Comment
  UC1040751  Arnica mollis A. H. Murphy 1956-8-16 56 Q Siskiyou Big Marshy Meadows Klamath National Forest 1981 Comment
  UC1188087  Arnica mollis Philip A. Munz 1960-8-22 24174 Siskiyou Panther Meadows (along small stream) Mt. Shasta, Panther Meadows 2286 Comment
  JEPS125856  Arnica venosa Dean W. Taylor 1996-6-20 15728 Siskiyou Drainage of Dry Creek on western short, Lake Shasta; Shasta National Recreation Area. Comment
  UC558481  Arnica viscosa W. B. Cooke 1936-8-1 Siskiyou first creek s of Horse Camp; Mount Shasta 2438 Comment
  CAS-BOT-BC84976  Artemisia arbuscula subsp. arbuscula Louis C. Wheeler 1934-8-26 3226 Siskiyou Trapper Cr. - Klamath National Forest 1981 Comment
  UCD129171  Artemisia borealis subsp. borealis J. M. Tucker; L. K. Mann, Sandra L. Holloway 1963-8-18 3750 Siskiyou southeast-facing slope, southwestern ridge of Black Mountain (Black Marble Mountain), Marble Mountain Wildnerness Area. 2133 Comment
  UCD77360  Artemisia douglasiana Robert E. Preston 2003-7-29 2169 Siskiyou S slope of Rainbow Mountain 1977 Comment
  CAS-BOT-BC499176  Artemisia douglasiana Doris K. Kildale 1928-7-25 5904 Siskiyou Klamath River at Mack's Creek near Hamburg Comment
  UC630385  Artemisia norvegica subsp. saxatilis Annetta Carter 1939-8-21 1471 Siskiyou steep slope above se end Taylor Lake (12 mi sw of Etna); Salmon Mountains 2194 Comment
  HSC18555  Aruncus dioicus var. acuminatus C. B. Wolf 1927-8-27 1139 Siskiyou Mouth of Crawford Creek, Klamath river Comment
  UC1043534  Aruncus dioicus var. pubescens P. C. Everett and E. K. Balls 1954-10-13 20280 Siskiyou road to Kangaroo Mt. (6.5 mi ne of Hwy 96, Seiad Creek); Seiad Creek 701 Comment
  RSA756943  Aruncus dioicus var. pubescens Robert F. Thorne 1969-8-2 63340 Siskiyou Klamath National Forest, Salmon Mountains, Marble Mountain Wilderness Area, high lake basins in the vicinity of English Peak. 1159 Comment
  CAS-BOT-BC447713  Aruncus dioicus var. vulgaris Dorothy Parker 1947-5-31 188 Siskiyou Kidder Creek, Scott Valley 853 Comment
  SEINET11163156 Image available Aruncus sylvester Unknown 1974-8-12 Siskiyou Somes Bar Comment
  RSA238015  Asarum caudatum Frederick W. Oettinger 1968-8-14 510 Siskiyou In deep shade of alder thicket approx 100 yards down stream from Tom Taylor Cabin Spring. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2012 Comment
  SEINET11098485 Image available Asclepias cordifolia Jennifer Hedin 1996-1 228 Siskiyou Lower Mel, R Falls, campground/picnic area Comment
  HSC61495  Asclepias fascicularis Ruby Van Deventer 9 Aug [year missing] Siskiyou Kelley Lake and Kelley Lake Trail Comment
  UC1037352  Asclepias speciosa Douglas Barbe 1955-6-28 22 Siskiyou 0.8 mi n Callahan; Klamath Mountains 975 Comment
  SEINET10496076  Asclepias speciosa LeRoy E. Detling 1947-6-5 Detling 6137 Siskiyou 2 mi. W. Of klamath river bridge, siskiyou co, yellow pine-oak forest, assoc: pinus ponderosa, quercus kellogii, pseudosuga taxifolia, thuja plicata, acer macrophyllum, ceonathus cuneatus, rhus diversifolia. Valley floor, rocky clay, full sun, fairly abindant, 518 Comment
  HSC46337  Aspidotis densa J. P. Smith 1973-5-5 6429 Siskiyou Along Cook and Green Pass Rd. Comment
  HSC81673  Aspidotis densa Thomas W. Nelson, Jane Nelson 1980-7-17 6083 Siskiyou Along FS Rd. 17, 1 mi. N of summit at county line 2073 Comment
  RSA696008  Aster alpigenus Barbara Ertter, James Nelson 1990-7-15 9357 Siskiyou Morgan Meadows on east side of Mount Eddy about 5 air miles due west of Mount Shasta City. 1677 Comment
  CAS-BOT-BC177864  Astragalus curvicarpus var. curvicarpus A. A. Heller 1905-6-19 8066 Siskiyou Grenada Station Comment
  CAS-BOT-BC182968  Astragalus filipes Elmer I. Applegate 1935-6-5 9331 Siskiyou Capt. Jack's Stronghold, Lava Beds National Monument Comment
  RSA120886  Astragalus filipes Milo S. Baker 1957-6-16 13150 Siskiyou Trip to Scott Mt. from turn off near Callahan, 5-6 mi. from turn off. Comment
  SEINET7042832  Astragalus obscurus A. G. Vestal 1955-5-16 s.n. Siskiyou Serpentine ca. 6.2 miles northwest of Weed. Weed quadrangle UTM Zone 10, 543291mE, 4591309mN. Comment
  CAS-BOT-BC192920  Astragalus purshii var. lectulus L. E. Smith 1914-4-20 634 Siskiyou Yreka Comment
  CAS-BOT-BC192968  Astragalus purshii var. purshii Copeland 1903-7-6 3557 Siskiyou Hornbrook Comment
  UC1090388  Astragalus purshii var. tinctus Milo S. Baker 1957-6-16 13168 Siskiyou trip to Scott Mt. after turn off near Callahan; near Callahan Comment
  POM45520  Astragalus purshii var. tinctus Geo. D. Butler 1909-4-14 631 Siskiyou Humbug Creek Comment
  CAS-BOT-BC198705  Astragalus whitneyi var. siskiyouensis A. A. Heller 1916-7-22 12487 Siskiyou East side of Mt. Eddy Comment
  CAS-BOT-BC198711  Astragalus whitneyi var. siskiyouensis Peter H. Raven 1956-9-4 10386 Siskiyou Ridge south of Mount Eddy 2286 Comment
  HSC92424  Astragalus whitneyi var. siskiyouensis Jennifer Whipple 1976-7-2 1264 Siskiyou Dobkins Lake drainage on E facing slopes above Dobkins Lake 2256 Comment
  JEPS84260  Astragalus whitneyi var. siskiyouensis L. R. Heckard with J. Hickman et al. 1986-7-17 6456 Siskiyou ca 5 mi n of the town Seiad Valley (ridge e of Kangaroo Peak, s of Lily Pad Lake); e of Kangaroo Peak, s of Lily Pad Lake, n of Seiad Vally 1900 Comment
  HSC27967  Asyneuma prenanthoides Carl W. Mize 1972-6-21 72 Siskiyou Past the first creek along trail. 305 Comment
  RSA237516  Athyrium americanum Frederick W. Oettinger 1968-8-12 499 Siskiyou From Golden Peak in the area just southeast of Tobacco Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1890 Comment
  HSC364  Athyrium distentifolium var. americanum William J. Ferlatte 1967-8-23 1097 Siskiyou Head of Kidd Creek 2134 Comment
  UC618802  Athyrium distentifolium var. americanum W. Bridge Cooke 1938-9-8 11617 Siskiyou above the heather meadow Panther Creek Glacial Meadow; Mt Shasta Comment
  HSC29368  Athyrium distentifolium var. americanum Frederick W. Oettinger 1969-8-22 1489 Siskiyou SE bank of Horse Range Lake 1829 Comment
  UCD97855  Atriplex truncata J. M. Tucker 1950-7-25 1964 Siskiyou alongside road to Tule Lake, about one mile east of Highway 97, along east-west road paralleling Oregon-California border, just inside California. Comment
  CAS-BOT-BC100050  Balsamorhiza hookeri Dorothy Parker 1951-5-20 515 Siskiyou on the summit of Scott Mountain 1624 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
  HSC67996  Balsamorhiza sericea J. P. Smith 1976-5-21 8768 Siskiyou Klamath National Forest, FS Rd. 40N08, 6.9 mi. from its junction with Hwy. 3 1524 Comment
  JEPS25644  Barbarea orthoceras Rimo Bacigalupi with Mr. and Mrs. Van Deventer of Fort Dick 1959-7-9 7284 Siskiyou Edges of meadow at Poker Flat 1536 Comment
  UC375287  Barbarea orthoceras Geo. D. Butler 1910-7-7 1659 Siskiyou Shackelford Creek 1219 Comment
  UC164979  Berberis nervosa Geo. D. Butler 1908-8-22 540 Siskiyou Eldridges' Corral, Russian Creek Eldridges' Corral Comment
  CAS-BOT-BC75924  Berberis piperiana Doris K. Kildale 1929-7-20 8546 Siskiyou South Fork of Indian Creek near Happy Camp. 457 Comment
  CAS-BOT-BC75927  Berberis piperiana Carl B. Wolf 1934-7-5 5973 Siskiyou 7 miles from Oak Knoll Ranger Station on Klamath River, on road to Dry Lake Lookout, Siskiyou Mountains. 1371 Comment
  CAS-BOT-BC75943  Berberis piperiana John Thomas Howell 1937-7-23 13357 Siskiyou South Fork of Salmon River near Big Flat. 1524 Comment
  CAS-BOT-BC169489  Betula occidentalis W. R. Dudley 1899-8-8 s.n. Siskiyou near Sisson Comment
  JEPS95283  Betula occidentalis Vernon H. Oswald and L. Ahart 1994-8-1 6443 Siskiyou T41N R6W NW1/4 Sec. 22, 5600 ft, Yellow Pine Forest. Junction of Forest Rd. 17, 3.3 mi SW of its junction with Stewart Springs Rd., W of Weed 1706 Comment
  JEPS32523  Bidens cernua Geo. D. Butler 1908-8-28 346 Siskiyou Wright and Fletcher's pasture Oro Fino Comment
  CAS-BOT-BC413072  Bistorta bistortoides Geo. D. Butler 1909-6-23 969 Siskiyou Goosenest foothills Comment
  CAS-BOT-BC413078  Bistorta bistortoides John Thomas Howell 1939-8-10 15277 Siskiyou Sky High Valley, Marble Mts. 1828 Comment
  UCSB15840  Bistorta bistortoides Breedlove, Dennis 1962-6-11 Siskiyou along State Highway 89, 17.6 miles east of McCloud; Cascade Mountains 1219 Comment
  CAS-BOT-BC127903  Blepharipappus scaber Louis C. Wheeler 1934-6-22 2760 Siskiyou Cottonwood Creek, Siskiyou Mts. 914 Comment
  JEPS22627  Blepharipappus scaber Duncan Dunning 1922-6-5 Siskiyou nw of Fort Jones (Moffett Creek); Moffett Creek Comment
  POM53772  Blepharipappus scaber E. B. Copeland 1903-7-3 3524 Siskiyou Klamathon. Comment
  RSA0125963  Boechera Elmer I. Applegate 1932-6-13 7239 Siskiyou Captain Jack s Stronghold, Modoc Lava Beds Comment
  JEPS77451  Boechera breweri W. J. Ferlatte 1974-7-25 1586 Siskiyou 100 yds n Dorleska Summit (Grouse Ridge on Trinity Co. line); Trinity Alps, Grouse Ridge 2103 Comment
  UC618750  Boechera howellii unknown 1938-7-28 11373 Siskiyou Mount Shasta, North Ridges Mount Shasta 2743 Comment
  CAS-BOT-BC13813  Boechera howellii John Thomas Howell 1937-7-26 13538 Siskiyou Caribou Mountain. 2438 Comment
  CAS-BOT-BC14112  Boechera pauciflora Alice Eastwood; John Thomas Howell 1934-4-20 1768 Siskiyou Near Yreka along Shasta River. Comment
  UC61665  Boechera platysperma Geo. B. Grant Sep 1902 5097 Siskiyou Horse Camp Mt. Shasta 2438 Comment
  CAS-BOT-BC25616  Boechera retrofracta John Thomas Howell; T. C. Fuller; G. D. Barbe 1980-4-29 53410 Siskiyou Fort Jones. 853 Comment
  JEPS53078  Boechera retrofracta Harley P. Chandler Jun 1901 1621 Siskiyou near Marble Mountain; North Coast Ranges 2133 Comment
  SEINET12627114 Image available Boechera retrofracta Martin Schilling 2013-1 MS 310 Siskiyou NW side of Mt Eddy, on rocky outcrops just below Deadfall Lakes, ca 1.5 air mi from peak 2138 Comment
  UC673142  Boechera retrofracta Lincoln Constance and Reed C. Rollins 1942-5-13 2917 Siskiyou 1Scott River 0 mi southwest of Scott Bar; Klamath-Siskiyou Region. 609 Comment
  UC166138  Boechera sparsiflora Geo. D. Butler 1910-4-16 1178 Siskiyou Klamath hills Klamath Comment
  JEPS53188  Boechera subpinnatifida J. W. Kisling 1910-4-20 Siskiyou Edgewood Comment
  CAS-BOT-BC25923  Boechera suffrutescens Doris K. Kildale 1928-8-20 6597 Siskiyou Lily Pad Lake near Hancock Lookout trail to Marble Mountain. 2133 Comment
  HSC60813  Boykinia major Ruby Van Deventer 1962-8-15 Siskiyou Bell Echo Camp in Youngs Valley 1220 Comment
  CDA25391  Boykinia major var. major T. C. Fuller, Don Shaw 1974-9-24 20022 Siskiyou Siskiyou Mountains.; Reeves Ranch Springs, east of White Mountain. 0 Comment
  CDA3601  Brassica rapa T. C. Fuller 1964-6-25 12249 Siskiyou Tulelake National Wildlife Refuge ca. 6 miles southwest of Tulelake. 0 Comment
  UC637046  Brassica rapa Annetta Carter 1934-8-13 710 Siskiyou Happy Camp to Waldo (Oregon) Road, Klamath National Forest, watershed of West Branch of Indian Creek West Branch of Indian Creek; Klamath National Forest 1463 Comment
  CAS-BOT-BC36692  Brassica rapa Alice Eastwood 1912-7-17 1168 Siskiyou Sisson. Comment
  UC1034065  Brickellia grandiflora W. Bridge Cooke 1941-8-22 16209 Siskiyou above, in the Lava Park on the n side of Mt. Shasta Bolam Station; Mt. Shasta 1524 Comment
  CAS-BOT-BC127717  Brickellia greenei Peter Raven 1956-9-5 10462 Siskiyou North Fork of Sacramento River 1828 Comment
  RSA610985  Brickellia greenei L. C. Wheeler 1952-9-18 6248 Siskiyou Siskiyou Mountains: South Fork Indian Creek, near Happy Camp. Comment
  RSA603844  Bromus berteroanus L. C. Wheeler 1935-5-7 3468 Siskiyou Klamath River at Ash Creek. 610 Comment
  UC144809  Bromus briziformis A. A. Heller 1905-6-20 8075 Siskiyou Gazelle Comment
  HSC30548  Bromus carinatus Frederick W. Oettinger 1969-8-13 1351 Siskiyou Marble Mtn. Wilderness Area, SE ridge of English Lake. 2134 Comment
  CAS-BOT-BC148794  Bromus carinatus var. marginatus K. T. Stillman 1976-7-23 305 Siskiyou Marble Mountain Wildnerss Area. 2011 Comment
  CAS-BOT-BC148796  Bromus carinatus var. marginatus John Thomas Howell 1939-8-2 14930 Siskiyou Spirit Lake, Marble Mountains. 1828 Comment
  CAS-BOT-BC156272  Bromus catharticus W. D. Hamilton 1946-4-19 s.n. Siskiyou 4 miles north of Davis. Comment
  HSC102714  Bromus diandrus J. P. Smith 2013-6-18 13747 Siskiyou Camp Creek Recreation Area. 723 Comment
  RSA602810  Bromus diandrus L. C. Wheeler 1934-6-26 2793 Siskiyou Siskiyou Mountains, Cottonwood Creek. 838 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
  RSA239077  Bromus orcuttianus Frederick W. Oettinger 1969-8-6 1246 Siskiyou Below Pine Lake Basin. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1829 Comment
  CHSC36415  Calamagrostis koelerioides Donald M. Burk 1981-7-26 65 Siskiyou East side of Castle Lake. 1706 Comment
  HSC30641  Calamagrostis koelerioides Frederick W. Oettinger 1968-9-7 772 Siskiyou Marble Mtn. Wilderness Area, NW slope above Tobacco Lake 2012 Comment
  HSC69547  Calamagrostis koelerioides Maralyn A. Renner 1980-8-4 2235 Siskiyou Ridge near FS Rd. 15N01, about 1 mi. N of Flint Valley 1494 Comment
  UC1483470  Calamagrostis koelerioides Maralyn A. Renner 1980-8-7 2428 Siskiyou ridge s Preston Peak; Klamath National Forest, Preston Peak Quad. 1950 Comment
  HSC61966  Callitropsis nootkatensis Al Hobart 1961-7-20 Siskiyou Preston Peak 2134 Comment
  CAS-BOT-BC488613  Calochortus elegans var. nanus Wm. Bridge Cooke 1938-7-1 11154 Siskiyou Above Bear Spring. (Transition); Mount Shasta 1600 Comment
  CAS-BOT-BC483440  Calochortus macrocarpus Peter H. Raven 1956-8-11 10067 Siskiyou 9.6 miles south of turnoff to Bray on U.S. Highway 97 Comment
  UC903495  Calochortus macrocarpus Dorothy Parker 1948-7-26 158 Siskiyou near Calif.-Ore. border (Cal-Ore) 1219 Comment
  SBBG22937  Calochortus nudus H. and M. Dearing 1939-6-5 3558 Siskiyou S of McCloud Comment
  CAS-BOT-BC493090  Calochortus nudus W. R. Dudley 1893-6-19 s.n. Siskiyou Woods near Sisson Comment
  SEINET8197655  Calochortus nudus W. Roderick, D. Parker 1967-7-25 s.n. Siskiyou Scott Mountain, Cabin Meadow. 1829 Comment
  CAS-BOT-BC132456  Calochortus persistens Frank Callahan 2007-6-18 s.n. Siskiyou Little Cottonwood Peak. Ca. 13 miles south of the Oregon State Line Comment
  CAS-BOT-BC494020  Calochortus tolmiei J. H. Thomas 1954-5-12 4121 Siskiyou Salmon Mountains, klamath National Forest. Near south Fork of Salmon River, 5 to 9 miles southeast of Cecilville 975 Comment
  UC454387  Calochortus tolmiei I. J. Condit 1911-7-5 Siskiyou near Shasta Retreat; Mt. Bradley 1828 Comment
  JEPS82681  Caltha biflora Wayne Roderick 1984-6-7 Siskiyou North side of Mt. Eddy road 17. 1676 Comment
  CAS-BOT-BC181513  Caltha leptosepala Ira L. Wiggins 1950-5-28 12367 Siskiyou Small bog on side of ridge above Grouse Creek, ca. 1.5 mi. from Carmen Lake 1584 Comment
  CHSC38987  Calycadenia ciliosa J. D. Jokerst 1983-7-21 1865 A Siskiyou At Wiley Ranch, ca center of the E edge. Comment
  RSA788190  Calycadenia ciliosa R. L. Carr 1978-8-21 2159 Siskiyou 0.4 mi E of Somesbar on Etna-Somesbar Rd. Comment
  HSC41793  Calycadenia fremontii Brent Whiteley 1975-6-22 23 Siskiyou Klamath National Forest along Hwy. 96 near Somes Bar. 220 Comment
  HSC2414  Calyptridium monospermum William J. Ferlatte 1966-8-5 337 Siskiyou Caribou Mtn. 2470 Comment
  SBBG15882  Calyptridium monospermum D. Myrick 1961-6-21 309 Siskiyou Deer Camp Rd above Oak Knoll Ranger Station, Klamath River, 19 mi W of Hwy 99 1981 Comment
  HSC77032  Calyptridium monospermum K. T. Stillman 1976-6-17 12 Siskiyou Marble Mtn. Wilderness Area, head of Elk Valley 1768 Comment
  CHSC78257  Camissonia contorta Vernon H. Oswald 2000-6-5 9926 Siskiyou Butte Valley National Grassland between Macdoel and Dorris, on the north side of Meiss Lake-Sams Neck Road 0.6 mi west of Hwy. 97. 1295 Comment
  UC796446  Camissonia contorta Roxana S. Ferris and Laura Lorraine Jun 12 1948-Jun 16 1948 11757 Siskiyou French Creek Loggind Rd w Callahan 1066 Comment
  RSA48008  Camissonia contorta Roxana S. Ferris 1948-6-12 11757 Siskiyou French Creek logging road west of Callahan. 1067 Comment
  CAS-BOT-BC160895  Camissonia tanacetifolia subsp. tanacetifolia G. D. Hanna; M. M. Hanna 1956-6-1 s.n. Siskiyou Junction of Highway 139 and Glass Mountain Road Comment
  CAS-BOT-BC160901  Camissonia tanacetifolia subsp. tanacetifolia W. R. Ernst 1958-8-8 283 Siskiyou Grass Lake area, about 32 miles south of Oregon State line on Highway 97 Comment
  SD53389  Campanula prenanthoides Darley F. Howe 1962-8-4 3388 Siskiyou Baldy Mountain. Comment
  SEINET10463097  Campanula prenanthoides Muth 1979-8-10 MUTH 13329 Siskiyou Near Little Mill Creek, on the Etna quadrangle; close to the town of Callahan, granitic 1707 Comment
  SEINET10463086  Campanula prenanthoides Kildale 1928-7-3 KILDALE 5442 Siskiyou Little North Fork of Salmon River near mouth Comment
  SEINET10463160  Campanula prenanthoides Rixford RIXFORD s.n. Siskiyou South side of Shaft-rock Comment
  SEINET10463367  Campanula prenanthoides Ferlatte 1966-8-3 FERLATTE 267 Siskiyou ALONG S FORK SALMON R HBTWN CAMPGROUND & CARTER'S FLAT WOODED AREA W/ SCATTERED OPENINGS. T37N R9W SEC. 19 & 30 1524 Comment
  SEINET10840317  Campanula prenanthoides John T. Witherspoon 1977-8-10 Witherspoon s.n. 1977 Siskiyou 2 MI UP FOREST SERVICE RD 12N13 W OF BALD BUTTE. T12N R6E SEC. 11 610 Comment
  UC1212559  Campanula prenanthoides Francia Chisaki and Helen Sharsmith 1959-8-20 4736 Siskiyou in forest near Carter Meadow; Inner North Coast Ranges, canyon of East Fork Salmon River 1828 Comment
  SEINET10463783  Campanula scouleri Setchell 1902-7-12 SETCHELL s.n. Siskiyou Mount Shasta; Sisson Comment
  SEINET10463788  Campanula scouleri Joseph W. Congdon 1900-8-16 Congdon s.n. Siskiyou Castle Lake Trail Comment
  SEINET10939052  Campanula scouleri Edwin B. Copel 1903-8-17 Copeland 3911 Siskiyou MT. EDDY 1311 Comment
  SEINET10972123  Campanula wilkinsiana Cooke 1947-8-15 COOKE 17804 Siskiyou Common along lower Panther Creek below the meadow, Mount Shasta 2134 Comment
  CAS-BOT-BC37231  Cardamine bellidifolia Reed Rollins 1938-7-21 11306 Siskiyou Mount Shasta. Between Horse Camp and Panther Creek 2743 Comment
  CAS-BOT-BC37745  Cardamine californica A. A. Heller 1919-6-25 13272 Siskiyou Compton's prairie, north base of Mount Eddy. 1158 Comment
  CAS-BOT-BC37748  Cardamine californica J. H. Thomas 1954-5-13 4140 Siskiyou Salmon Mountains, Klamath National Forest. Near South Fork of Salmon River 5 to 9 miles southeast of Cecilville. 1066 Comment
  CAS-BOT-BC19764  Carex abrupta John Thomas Howell 1939-8-1 15192 Siskiyou Marble Mountains. Sky High Valley. 1828 Comment
  CAS-BOT-BC19767  Carex abrupta John Thomas Howell 1939-8-2 14934 Siskiyou Marble Mountains. Spirit Lake. 1828 Comment
  RSA550450  Carex abrupta R. Tallent 1987-8-16 942 Siskiyou Panther Meadows Trailhead area. Mt. Shasta area. 2220 Comment
  UC1738777  Carex amplifolia Dean W. Taylor 1993-7-30 13986 Siskiyou Bolan Lake Road (Forest Road 4812) about 2 miles east of Indian Creek Road (Forest Road 40S07); Klamath National Forest 1584 Comment
Read comments
Feb 9 2009
  HSC76856  Carex amplifolia L. P. Janeway 1982-8-1 96 Siskiyou Meadow on curve of FS 17N32 at FS 17N32A 793 Comment
  RSA364723  Carex amplifolia L. C. Wheeler 1934-6-14 2711 Siskiyou Arrastre Creek off Hungry Creek. Siskiyou Mountains. 1280 Comment
  CAS-BOT-BC17968  Carex angustata Frank Walton Gould 1940-5-14 1229 Siskiyou Bull Meadows, Goosenest Mountain. 1524 Comment
  CAS-BOT-BC17965  Carex angustata W. R. Dudley 1893-6-21 s.n. Siskiyou Peter Klinks Meadow. Comment
  HSC76315  Carex aquatilis L. P. Janeway 1982-8-21 167 Siskiyou Upper Twin Valley 1585 Comment
  HSC85832  Carex aquatilis var. dives L. P. Janeway 1983-7-24 453 Siskiyou Poker Flat: slope between upper & lower parts of meadow. 1524 Comment
  CAS-BOT-BC18126  Carex athrostachya Alice Eastwood 1921-7-25 10833 Siskiyou Bigelows, on McCloud River. Comment
  CAS-BOT-BC19560  Carex bolanderi A. A. Heller 1905-6-13 8025 Siskiyou Near Shasta Springs. Comment
  UC144466  Carex bolanderi A. A. Heller 1905-6-13 8025 Siskiyou near Shasta Springs Comment
  CAS-BOT-BC19558  Carex bolanderi Melissa A. Berry 1957-7-11 s.n. Siskiyou Sugar Creek CCC Road, west of Callahan. 1463 Comment
  JEPS25937  Carex brainerdii B. C. Goldsmith 1916-7-28 10 Siskiyou 20 mi n Bartles Comment
  CAS-BOT-BC34162  Carex breweri A. A. Heller 1922-7-3 13679 Siskiyou On Mt. Eddy above Wagon Creek. 2560 Comment
  JEPS25574  Carex breweri Rimo Bacigalupi with George Bacigalupi Jr. 1959-7-1 7199 Siskiyou on moraine between ice and snow fields, near head of ski lift above Mount Shasta Ski Bowl Lodge; southwestern slopes of Mount Shasta 2834 Comment
  RSA739864  Carex breweri L. P. Janeway, B. Castro 2007-7-29 9141 Siskiyou High Cascade Range, Medicine Lake Highlands, Pumice Stone Mtn 2054 Comment
  UC670  Carex breweri Willis L. Jepson Aug 1894 Siskiyou Horse Camp Mount Shasta Comment
  HSC170  Carex cusickii William J. Ferlatte 1966-8-2 234 Siskiyou Big Flat, between campground and S fork of the Salmon River 1524 Comment
  HSC71096  Carex echinata subsp. echinata Thomas W. Nelson, Jane P. Nelson, J. P. Smith 1978-7-24 4513 Siskiyou Along W side of Hwy. 3 just N of Scott Mtn. Summit 1616 Comment
  HSC96592  Carex echinata subsp. echinata Gordon Leppig, Tony LaBanca, Leonel Arguello 1997-6-19 488 Siskiyou Russian Wilderness, cirque W of Little Duck Lake 2200 Comment
  POM81965  Carex feta Geo D. Butler 1910-6-6 1460 Siskiyou Quartz Valley Comment
  CHSC82840  Carex fracta L. P. Janeway 2002-7-12 7629 Siskiyou High Cascade Range. Along Ash Creek 5.0 km south of summit of Ash Creek Butte, about 0.8 km northwest of The Ford. 1561 Comment
  SEINET7485217 Image available Carex fracta Peter F. Zika 2009-1 24602 Siskiyou at McBridge Springs Campground, SW slope of Mt. Shasta; Cascade Range Highlands (CaRH) 1470 Comment
  UCD77468  Carex fracta Robert E. Preston 2003-7-29 2167 Siskiyou Rainbow Mountain 1785 Comment
  SEINET3901556  Carex fracta D. H. Norris, T. Nelson; Steve Dowty 1971-7-23 19537 Siskiyou Along State Route 96 about 8 miles west of junction with I-5.; 0 Comment
  JEPS105023  Carex gigas Dean W. Taylor 1996-7-26 15838 A Siskiyou Scott Mountains; Crater Lake, in cirque above upper lake (about 10 air mi W of Weed); Klamath National Forest; Klamath Region 2316 Comment
  SEINET3901319  Carex globosa D. H. Norris 1972-6-11 22844 Siskiyou Along Duck Lakes trail near Parrott's Mill Road.; 0 1676 Comment
  CHSC82808  Carex halliana L. P. Janeway 2002-7-12 7626 Siskiyou High Cascade Range. 2.7 km west of the summit of Ash Creek Butte; along west side of Road 19 (Military Pass Road) about 1.6 km south of the National Forest boundary. 1780 Comment
  RSA14333  Carex halliana Elmer I. Applegate 1923-8-18 s.n. Siskiyou Hoffman Mtn, Medicine Lake Comment
  SEINET7562453 Image available Carex integra L. P. Janeway 2006-7-4 8790 Siskiyou Scott Mountain 7.5' Quad. Klamath Ranges. Scott Mountain, Darlingtonia fen and creeklet complex above Road 40N13 1.6 air km west of Scott Mountain Summit. 1728 Comment
  HSC103665  Carex integra Thomas W. Nelson, Jane Nelson 1984-7-28 7700 Siskiyou Along west side of Gumboot Lake 1860 Comment
  HSC76792  Carex integra L. P. Janeway 1982-8-13 126 Siskiyou 1 m from N edge of Bear Lake 1814 Comment
  HSC166  Carex interior William J. Ferlatte 1966-8-2 236 Siskiyou Big Flat, between campground and S fork of the Salmon River 1524 Comment
  CHSC40191  Carex laeviculmis L. P. Janeway 1983-8-13 528 Siskiyou On s side and above S Fk Indian Cr. 1432 Comment
  HSC103611  Carex lanuginosa Thomas W. Nelson, Jane Nelson 1980-8-23 6317 Siskiyou At head of Mule Creek, just north of the Scott Mountain Campground. 1646 Comment
  CAS-BOT-BC28429  Carex lenticularis var. lipocarpa John Thomas Howell 1939-8-7 15128 Siskiyou Sky High Valley, Marble Mts. 1828 Comment
  HSC29637  Carex lenticularis var. lipocarpa Frederick W. Oettinger 1968-9-7 750 Siskiyou Marble Mtns. Wilderness Area, N side of Hancock Lake 2043 Comment
  HSC41053  Carex lenticularis var. lipocarpa J. O. Sawyer 1969-7-9 1108 Siskiyou S of Little Duck Lake 2012 Comment
  UCD140533  Carex luzulina Robert E. Preston 2001-6-30 1655 Siskiyou Klamath National Forest, Hemlock Lake. 1889 Comment
  UCD140537  Carex luzulina Peter F. Zika 2009-6-18 s.n. Siskiyou near Pacific Crest Trail, Route 3, Scott Mountain Summitm Klamath Range (KR). 1640 Comment
  CDA33108  Carex luzulina var. luzulina Gordon Leppig 1998-7-1 911 Siskiyou Klamath National Forest; Russian Wilderness, Little Duck Lake Fen; cirque west of Little Duck Lake. Comment
  HSC36157  Carex multicaulis J. P. Smith 1974-5-26 7553 Siskiyou Along FS Rd. 47N03 1524 Comment
  JEPS63685  Carex multicaulis W. L. Jepson July, 1894 52 a Siskiyou Upton Comment
  UC593522  Carex multicaulis E. B. Babcock, G. L. Stebbins Jr. 1936-6-13 1985 Siskiyou about 1 1/2 mi w Mt. Shasta City (e and ne slope of spur of Rainbow Ridge above Sulloway Creek); Rainbow Ridge 1180 Comment
  CAS-BOT-BC32014  Carex multicaulis R. E. Frenkel 1964-7-14 696 Siskiyou On Everitt Memorial Hwy near Mt. Shasta, 4.7 mi N of McCloud River RR crossing. 1545 Comment
  HSC77196  Carex multicaulis L. P. Janeway 1983-6-26 350 Siskiyou Near W Branch USFS Station 671 Comment
  CHSC38992  Carex nebrascensis J. D. Jokerst 1983-7-5 1828 Siskiyou N end of Atkin's Meadow. Ca 15 air miles east of McCloud. Comment
  UC194548  Carex nebrascensis Geo. D. Butler 1910-7-15 1784 Siskiyou Oro Fino Comment
  UC196159  Carex nebrascensis Geo. D. Butler 1909-6-13 858 Siskiyou Oro Fino Comment
  HSC29645  Carex nigricans Frederick W. Oettinger 1968-8-2 358 Siskiyou Marble Mtn. Wilderness Area, Diamond Lake 2073 Comment
  CHSC40161  Carex nudata L. P. Janeway 1983-7-23 444 Siskiyou Along southwest side of Klamath River, 2.8 miles east on China Creek Road (just west of Woods Bar). 320 Comment
  UC194551  Carex nudata Geo. D. Butler 1910-7-6 1646 Siskiyou Shackleford Creek 914 Comment
  HSC76395  Carex nudata L. P. Janeway 1982-8-14 132 Siskiyou Along N shore of Klamath River 427 Comment
  SEINET10711622  Carex nudata A. Arthur Heller 1905-6-1 Heller 7921 Siskiyou Between Dunsmuir & Upper Soda Spring. Comment
  CHSC40202  Carex pachystachya L. P. Janeway 1983-8-27 622 Siskiyou South end and sl above dry bed of vernal pond. Near the Twin Valley/Poker Flat trail. 1676 Comment
  UC1265326  Carex pachystachya Frederick W. Oettinger 1968-8-11 485 Siskiyou Tom Taylor Cabin Salmon Mountains, Marble Mountain Wilderness Area 1981 Comment
  JEPS25657  Carex preslii Rimo Bacigalupi with Mr. and Mrs. Van Deventer 1959-7-10 7300 Siskiyou 4 air-line mi nne Preston Peak (meadow at Twin Valley, just e of Del Norte County line); Siskiyou Mts., Twin Valley, watershed of Indian Creek 1493 Comment
  CAS-BOT-BC118789  Carex preslii William Bridge Cooke 1938-7-22 11344 Siskiyou Mt. Shasta 1981 Comment
  SEINET7573852 Image available Carex rossii L. P. Janeway 2006-7-2 8727 Siskiyou Deadman Peak 7.5' quad, Klamath Ranges, Salmon Mountains, near minor drainage to South Fork Scott River and the west, 1.6 km north of Carter Meadows Summit. 1728 Comment
  UCD77473  Carex rossii Robert E. Preston 2001-6-23 1548 Siskiyou Klamath National Forest, n slope of Rainbow Mtn, T42N R1W ne 1/4 of se 1/4 Section 14 1828 Comment
  HSC91359  Carex rostrata Jennifer Whipple 1978-10-6 2423 Siskiyou Dale Creek drainage on the N face of Mt. Eddy 2195 Comment
  CHSC40186  Carex scabriuscula L. P. Janeway 1983-8-27 623 Siskiyou Twin Valley lower meadow near trail, on w side of creek. 1493 Comment
  RSA238968  Carex scopulorum Frederick W. Oettinger 1968-9-5 710 Siskiyou At south end of Diamond Lake. Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2072 Comment
  SEINET10751138  Carex scopulorum var. bracteosa A. Arthur Heller 1922-7-3 Heller 13673 Siskiyou Wet soil along Wagon creek, Mt. Eddy, in the Canadian zone. 2195 Comment
  SEINET7575018 Image available Carex scopulorum var. bracteosa Frederick W. Oettinger 1969-9-4 1649 Siskiyou Tobacco Lake. The High Lake Basins in the vicinity of English Peak Marble Mountain Wilderness Area. 1890 Comment
  CAS-BOT-BC117774  Carex specifica K. T. Stillman 1976-8-7 196 Siskiyou Scott Bar Quad. Marble Mountain Wilderness Area. 1828 Comment
  HSC39291  Carex spectabilis J. O. Sawyer 1969-8-4 1828 Siskiyou Above Sugar Lake 2134 Comment
  JEPS84068  Carex spectabilis L. R. Heckard with J. Hickman et al. 1986-7-17 6527 Siskiyou above and s Alex Hole (n of Hwy. 96); Buckhorn Campground Comment
  UC835743  Carex spectabilis John Thomas Howell 1939-8-9 15226 Siskiyou ridge s Marble Valley; Marble Mts. Comment
  HSC30658  Carex spectabilis Frederick W. Oettinger 1968-9-8 731 Siskiyou Marble Mtn. Wilderness Area, trail SE of Tom's Lake 2012 Comment
  HSC39370  Carex straminiformis J. O. Sawyer 1969-7-25 1535 Siskiyou Upper slope above High Lake 2104 Comment
  SEINET10749867  Carex straminiformis A. Arthur Heller 1916-7-20 Heller 12468 Siskiyou Near Eagon Creek Falls, east side of Mt. Eddy in the yellow pine belt, the common shrubs Ceanothus, Uvva-ursi and Pasania, 1524 Comment
  SEINET7576422 Image available Carex straminiformis E. B. Copeland 1903-8-16 3893 Siskiyou Mt. Shasta. 2438 Comment
  CAS-BOT-BC115834  Carex subfusca John Thomas Howell 1937-7-23 13338 Siskiyou South Fork of Salmon River near Big Flat. 1524 Comment
  CAS-BOT-BC115836  Carex subfusca John Thomas Howell 1937-7-23 13338 Siskiyou South Fork of Salmon River near Big Flat. 1524 Comment
  CAS-BOT-BC115861  Carex subfusca 1902-9-8 5129 Siskiyou Horse Camp. Mt. Shasta 2590 Comment
  SEINET7577153 Image available Carex subfusca Frederick W. Oettinger 1969-8-10 1464 Siskiyou Plants of the Salmon Mountains. Between King David Peak and Abbotts Basin. 1859 Comment
  CAS-BOT-BC115166  Carex vesicaria A. A. Heller 1940-7-24 15763 Siskiyou Edge of Castle Lake. Comment
  CAS-BOT-BC115169  Carex vesicaria John Thomas Howell 1939-8-9 15191 Siskiyou Sky High Valley, Marble Mts. 1828 Comment
  CAS-BOT-BC422326  Carex vesicaria Julie Kierstead Nelson; Martin Lenz; Rhonda Posey 2014-8-13 2014 -076 Siskiyou Lower Parks Creek Lake near outlet, northeast side. 1 mile NE of China Mountain, easten Klamath Ranges. 2200 Comment
  UC637053  Carex vesicaria Edward Lee 1934-8-13 1075 Siskiyou Happy Camp, Waldo (Oregon) Road Watershed of West Branch of Indian Creek 1371 Comment
  CAS-BOT-BC115164  Carex vesicaria Wilhelm Hillebrand s.n. Siskiyou Spragues River, E of Klamath Valley. Comment
  HSC30551  Carex vesicaria Frederick W. Oettinger 1968-9-4 693 Siskiyou Marble Mtn. Wilderness Area, W shore of Abbotts Lake 1723 Comment
  HSC22111  Cassiope mertensiana subsp. ciliolata J. O. Sawyer 1969-7-7 1080 Siskiyou NE facing slope above Big Duck Lake 2146 Comment
  UC1037464  Cassiope mertensiana subsp. ciliolata Douglas Barbe 1955-7-9 153 Siskiyou Cliffs south side of Kangaroo Lake, Scott Mtns. 1828 Comment
  HSC29373  Castilleja applegatei Frederick W. Oettinger 1968-8-22 603 Siskiyou Salmon Mts., above English Lake trail on English Lake side of Pass to Diamond Lake 1890 Comment
  CAS-BOT-BC241147  Castilleja applegatei subsp. pinetorum John Thomas Howell 1937-7-21 13193 Siskiyou South Fork of Salmon River near Big Flat 1524 Comment
  RSA488701  Castilleja applegatei subsp. pinetorum James L. Reveal, Mark L. Reveal 1975-8-15 3951 Siskiyou Siskiyou Mountains, Klamath National Forest, along the Dry Lake Lookout Road (Forest Service Road 40S01), 0.3 mile east of 47N30Y and 1.2 miles west of the Cleghorn Meadow Road. Comment
  UC609366  Castilleja applegatei subsp. pinetorum Eleanor Burks Hart 1938-8-16 886 Siskiyou n side Upper Wright Lake; Marble Mts. 2225 Comment
  UCD122252  Castilleja applegatei subsp. pinetorum K. M. Meyer; A. Townesmith 2007-8-2 182 Siskiyou Shasta-Trinity National Forest, 0.1 mi. on Forest Service Rd. 43N21, 12.5 mi on Hwy. 97, east side of road. 1218 Comment
  CAS-BOT-BC243771  Castilleja applegatei var. pinetorum A. A. Heller 1916-6-20 12398 Siskiyou Metcalf's Ranch, northeast base of Mt. Eddy 1188 Comment
  CAS-BOT-BC243753  Castilleja applegatei var. pinetorum David D. Keck 1938-8-8 4873 Siskiyou At Trinity Co. line, Scott Mountain Divide, between Scott Mtn. and Craggy Peak 1676 Comment
  UC1408871  Castilleja arachnoidea Frederick W. Oettinger 1968-8-4 393 Siskiyou Crapo Peak Ridge Salmon Mountains, Marble Mountain Wilderness Area (vicinity of English Peak, w Siskiyou County) 2194 Comment
  UC169088  Castilleja arachnoidea Harley P. Chandler Jun 1901 1687 Siskiyou Marble Mountain; North Coast Ranges 2438 Comment
  HSC59896  Castilleja arachnoidea D. L. Goforth 1979-7-7 235 Siskiyou Klamath National Forest, near Deer Camp 1860 Comment
  HSC62627  Castilleja arachnoidea Al Hobart Siskiyou Youngs Valley Comment
  RSA142601  Castilleja arachnoidea subsp. shastensis P. A. Munz 1960-8-22 24186 Siskiyou Panther Meadows, Mt. Shasta. 2530 Comment
  UCR131624  Castilleja lacera L. C. Wheeler 1935-6-27 3611 Siskiyou Klamath Ranges region, Greenview, Scott Valley 884 Comment
  HSC19170  Castilleja miniata J. O. Sawyer 1969-7-24 1506 Siskiyou SE facing slope W of Sugar Lake 1905 Comment
  HSC70885  Castilleja miniata J. M. DiTomaso 1980-8-26 1915 Siskiyou Panther Meadow, 15 mi. NE of Mt. Shasta City 2134 Comment
  JEPS76188  Castilleja miniata T. I. Chuang with Fei-Mei Chuang 1977-7-22 7634 Siskiyou Panther Meadow; Mt. Shasta 2194 Comment
  SEINET14063111  Castilleja miniata G. D. Butler 1910-7-9 1692 Siskiyou Shackleford Creek. 1219 Comment
  UCD122990  Castilleja miniata J. M. Tucker; D. V. Hemphill 1974-7-27 4304 Siskiyou Haypress Creek, Haypress Meadows, Marble Mountain Wilderness Area. 1463 Comment
  CAS-BOT-BC254023  Castilleja miniata J. M. Tucker 1963-8-17 3740 Siskiyou Edge of Red Rock Creek, in vicinity of cabin; lower Red Rock Valley, Marble Mountain Wilderness Area 1493 Comment
  CAS-BOT-BC254113  Castilleja miniata Mrs. H. C. Cantelow 1940-6-2 s.n. Siskiyou 9 mi. n.w. of Tennant, Buttle Cr. Meadow Comment
  CDA33294  Castilleja miniata T. C. Fuller 1974-9-24 20044 Siskiyou Northwestern; Klamath Ranges region; Headwaters of Horse Creek, southwest slope of White Mountain, Siskiyou Mountains. 0 Comment
  CAS-BOT-BC241053  Castilleja pilosa David D. Keck 1940-6-13 5171 Siskiyou 1 mi. S.W. of Grass Lake 1525 Comment
  CHSC71329  Castilleja pruinosa Vernon H. Oswald; Lowell Ahart 1998-6-11 9189 Siskiyou Shasta NF plantation on the west side of Hwy. 97 2.2 mi northeast of Lake Shastina-Big Springs Rd., northeast of Weed. 1066 Comment
  HSC45159  Castilleja pruinosa J. O. Sawyer, E. Cope 1977-6-19 2947 Siskiyou Clear Creek Trail between West Fork and Preston Creek 854 Comment
  UC26483  Castilleja pruinosa T. H. Gilbert Jun 15 1899-Jul 15 1899 Siskiyou Scott River Valley Comment
  JEPS26517  Castilleja pruinosa Lauramay T. Dempster 1961-6-1 1839 Siskiyou from Condry Peak to White Mountain (along ridge) Comment
  POM301760  Castilleja pruinosa Marion Ownbey, D. H. Brown 1941-6-22 2422 Siskiyou West of Craggy Mountain, northwest of Yreka Comment
  RSA189668  Castilleja pruinosa Noel Holmgren, James L. Reveal 1966-6-9 2679 Siskiyou US 97, Shasta Valley, 4 mi. north of Weed. 1159 Comment
  CAS-BOT-BC241083  Castilleja schizotricha Gilbert Muth 1965-8-6 s.n. Siskiyou Backside of Blk. Mt. 2072 Comment
  UCR40075  Castilleja schizotricha K. T. Stillman 1976-7-7 168 Siskiyou Marble Mountain Wilderness Area 1982 Comment
  CAS-BOT-BC49187  Ceanothus cuneatus Geo. D. Butler 1910-5-2 1267 Siskiyou Yreka Comment
  JEPS42185  Ceanothus cuneatus var. cuneatus Geo. D. Butler 1908-6-20 497 Siskiyou Bulter's Ranch Yreka Comment
  UC585100  Ceanothus cuneatus var. cuneatus E. B. Babcock, G. L. Stebbins Jr. 1936-6-11 1893 Siskiyou ca 2 mi s Yreka 822 Comment
  UC796510  Ceanothus cuneatus var. cuneatus Roxana S. Ferris and Laura Lorraine Jun 12 1948-Jun 16 1948 11812 Siskiyou at Mule Creek crossing, Scitt Mt. Rd. 1524 Comment
  CAS-BOT-BC50247  Ceanothus integerrimus Doris K. Kildale 1929-7-20 8656 Siskiyou trail up South Fork Indian Creek to Elk Lick Comment
  HSC27671  Ceanothus integerrimus Carl W. Mize 1972-6-8 27 Siskiyou Along main trail near Deer Lick Creek 351 Comment
Read comments
Feb 21 2013
  CAS-BOT-BC50691  Ceanothus integerrimus var. macrothyrsus Alice Eastwood 1923-5-20 11869 Siskiyou Shasta Springs Comment
  CAS-BOT-BC52115  Ceanothus prostratus Geo. D. Butler 1910-5-10 1317 Siskiyou Goosenest foothills 1524 Comment
  CAS-BOT-BC52118  Ceanothus prostratus Wm. F. Herrin 1918-5-15 s.n. Siskiyou Shasta Springs Comment
  HSC39328  Ceanothus prostratus J. P. Smith 1974-5-25 7375 Siskiyou Near junction of Rd. 8 with French Creek Rd. 1280 Comment
  RSA126293  Ceanothus velutinus I. L. Wiggins 1955-7-24 13488 Siskiyou Trail at crossing of China Creek, above diversion dam Comment
  RSA398976  Ceanothus velutinus H. E. McMinn 1931-6-27 2519 Siskiyou Shasta City. Comment
  UCD112765  Ceanothus velutinus Roman Gankin; Richard Hildreth 1967-10-27 1182 Siskiyou 2.6 road miles from Lafayette Point on USFS road 39N04 off Black Bear Road between Sawyers Bar and Cecilville. 1706 Comment
  HSC92158  Ceanothus velutinus var. velutinus Jennifer Whipple 1976-7-8 1369 Siskiyou Ridgetop W of Dobkins Lake 2256 Comment
  CHSC3256  Centaurea cyanus Virginia Hagaman 1966-5-14 181 Siskiyou 6 miles south of McConnahue Gulch--side of ra road. Comment
  CAS-BOT-BC272122  Centaurea cyanus John H. Thomas 1969-9-7 15467 Siskiyou Near railroad tracks, McCloud Comment
  CDA7211  Centaurea diffusa T. C. Fuller 1967-8-15 16262 Siskiyou Butte Valley; Butte Valley. West side of Highway 97 to Weed, 3 miles south of Macdoel. 0 Comment
  UCR242095  Centaurea solstitialis Steve B. Orloff 2011-1 SQK 472276 S1-D Siskiyou property along the Klamath River 213 Comment
  CDA32136  Centaurea solstitialis M. Beyers, G. F. Hrusa 2010-8-18 701 Siskiyou Highway 96; Sluice Box Klamath River Access. 0 Comment
  RSA285948  Centaurea virgata subsp. squarrosa T. C. Fuller 1969-7-1 18618 Siskiyou Hawkinsville, just north of Yreka Comment
  CAS-BOT-BC288796  Centromadia fitchii Louis C. Wheeler 1934-10-6 3309 Siskiyou Shasta Valley 2 miles SE of Yreka 853 Comment
  HSC2177  Centromadia fitchii L. C. Wheeler 1934-10-6 3309 Siskiyou Shasta Valley 2 mi. SE of Yreka 854 Comment
  CAS-BOT-BC288794  Centromadia fitchii L. R. Abrams 1927-9-11 12140 Siskiyou Shasta Valley, Yreka to Gazelle Comment
  CAS-BOT-BC384967  Cerastium arvense A. A. Heller 1921-7-17 13572 Siskiyou On the south slope of Mt. Eddy 1828 Comment
  RSA211237  Cerastium fontanum subsp. vulgare William J. Ferlatte 1967-6-27 529 Siskiyou Big Flat; wooded area near public camp; Trinity Alps. Comment
  HSC4098  Cerastium glomeratum Geo. D. Butler 1909-4-14 636 Siskiyou Yreka Comment
  HSC18568  Cercocarpus ledifolius R. C. Wunner 1965-7-15 392 Siskiyou Lava Beds NM, Indian Wells near N Prefab 1433 Comment
  RSA749206  Cercocarpus ledifolius var. intermontanus K. M. Meyer, A. Townesmith 2007-8-2 183 Siskiyou Shasta-Trinity National forest. 0.1 mi. on Forest Service Rd. 43N21, 12.5 mi on Hwy. 97, east side of road 1218 Comment
  JEPS44708  Cercocarpus ledifolius var. ledifolius W. L. Jepson 1940-6-23 20023 Siskiyou Andesite Station n of Mount Shasta; Andesite Station 975 Comment
  POM208295  Chaenactis carphoclinia L. C. Wheeler 1934-6-15 2715 Siskiyou Hungry Creek, Siskiyou Mts. 1280 Comment
  CAS-BOT-BC276782  Chaenactis douglasii var. douglasii Palmer Stockwell 1939-8-10 13872 Siskiyou Between Squaw Valley Creek and Mud Creek Canyon Comment
  RSA238764  Chaenactis douglasii var. douglasii Frederick W. Oettinger 1968-8-16 529 Siskiyou near the summit of 'Little Medicine Mt.' adjacent to Red Fir Forest, north of Hancock Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2104 Comment
  UC1299290  Chaenactis douglasii var. douglasii Freed W. Hoffman 1948-7-13 2628 Siskiyou 8.4 mi n of Tennant (on Butte Creek road) 1295 Comment
  JEPS125888  Chaenactis suffrutescens Dean W. Taylor 1996-6-18 15695 Siskiyou Shasta Trinity National Forest; Scott Mountains, bordering Shasta Valley, hillslopes about 4 miles S of Gazelle; about 350 m upslope from the Yreka Ditch. Comment
  RSA11806  Chamaebatiaria millefolium Elmer I. Applegate 1915-9-20 3323 Siskiyou Captain Jack's Stronghold, Modoc Lava Beds, near S shore of Tule Lake. Comment
  SEINET1004220  Chamaebatiaria millefolium Mark Fishbein, Lane Greer 2006-1 5872 Siskiyou Along Forest Service Rd 49, about 7 mi south-southwest of Medicine Lake, about 0.4 mi northeast of Snag Hill. 1585 Comment
  RSA624977  Chamaecyparis nootkatensis L. C. Wheeler 1963-8-25 8275 Siskiyou Preston Peak: Summit ridge. 2133 Comment
  HSC31347  Chamaesaracha nana D. H. Norris, T. Nelson, S. Dowty 1971-6-23 19528 Siskiyou Snowman's Hill Summit 3 mi. W of McCloud on Hwy. 89 Comment
  RSA571805  Chamaesyce serpillifolia W. Bridge Cooke 1941-9-5 16258 Siskiyou Along the Memorial Highway, Mt. Shasta. 1372 Comment
  CDA35273  Chamaesyce serpyllifolia T. C. Fuller 1962-8-3 9506 Siskiyou Siskiyou Mountains: Gravel bar of Beaver Creek at the mouth of Raggedass Gulch, 5 miles north of the Klamath River. 0 Comment
  CAS-BOT-BC166091  Chamerion angustifolium subsp. circumvagum A. A. Heller 1916-6-23 12434 Siskiyou Near Black Butte north of Sisson 1127 Comment
  HSC69061  Chamerion angustifolium subsp. circumvagum Maralyn A. Renner 1980-8-6 2323 Siskiyou Cracker Meadow 1555 Comment
  JEPS80569  Chamerion angustifolium subsp. circumvagum Gilbert Muth 1965-8-4 164 Siskiyou near the Marble; Marble Mt. Wilderness Area 1792 Comment
  CAS-BOT-BC68208  Cheilanthes gracillima Marion Ownbey; Ruth P. Ownbey 1938-7-19 1754 Siskiyou Summit of the siskiyou Mountains, 2 1/2 miles northwest of Dry Lake Lookout Comment
  UC1495247  Cheilanthes gracillima Robert T. Clausen and Harold Trapido 1940-7-26 4953 Siskiyou canyon on Mud Creek Mt Shasta; S Cascade Mts, Sacramento River Basin 1584 Comment
  UC637173  Cheilanthes gracillima Edward Lee 1934-8-14 1108 Siskiyou summit Little Grayback 1868 Comment
  CAS-BOT-BC68205  Cheilanthes gracillima L. F. Henderson 1926-4-22 5940 Siskiyou Bluffs of the East Illinois R. near Beer's Bridge Comment
  HSC92601  Cheilanthes gracillima Jennifer Whipple 1976-4-16 1011 Siskiyou Dale Cr. Drainage of the N face of Mt. Eddy 2195 Comment
  HSC65317  Chenopodium album J. P. Smith, Steve Selva 1970-8-9 4583 Siskiyou In potato fields W of Macdoel. Comment
  UC851135  Chenopodium ambrosioides Alice Eastwood 1917-9-2 6711 Siskiyou Shasta Springs Comment
  HSC92340  Chenopodium atrovirens Jennifer Whipple 1977-8-5 2189 Siskiyou Near Little Crater Lake 2195 Comment
  JEPS59737  Chenopodium botrys Willis L. Jepson 1894-8-9 14859 Siskiyou near Shasta Sprs.; Region of the Upper Sacramento, Horseshoe Bend Comment
  UC922550  Chenopodium botrys Annie M. Alexander and Louise Kellogg 1948-9-15 5621 Siskiyou Canyon Creek Siskiyou Mountains (branch of Scott River) 762 Comment
  HSC67493  Chimaphila menziesii J. P. Smith, Steve Selva 1970-6-15 3933 Siskiyou Between Forks of Salmon and Cecilville. Comment
  SBBG25823  Chimaphila menziesii D. Myrick 1966-8-10 1527 Siskiyou Salmon Crk Trail at Mountain Meadow Ranch, Big Flat 1676 Comment
  HSC36656  Chimaphila menziesii Brent Whitely 1975-6-28 87 Siskiyou 915 Comment
  JEPS25844  Chimaphila umbellata Rimo Bacigalupi with L. Constance and L. Heckard 1960-7-20 7469 Siskiyou ca. 2 mi. n.e. Twin Valley, Siskiyou Mt. (along jeep-road to Twin Valley from Poker Flat, ca. 13 mi. n.w. of Happy Camp) 1584 Comment
  UC1043391  Chimaphila umbellata P. C. Everett and E. K. Balls 1954-10-11 20266 Siskiyou s.w. Mt. Shasta town (forest service camp, Castle Lake); Castle Lake 1249 Comment
  UC456182  Chimaphila umbellata I. J. Condit 1911-7-4 Siskiyou Shasta Retreat Comment
  UC637049  Chimaphila umbellata Edward Lee 1934-8-13 1086 Siskiyou watershed of W. Branch Indian Creek (Happy Camp-Waldo (Oregon) Rd.); Klamath Nat'l Forest, W. Branch Indian Creek 1463 Comment
  UCR179176  Chimaphila umbellata Robert E. Preston 2001-8-26 1760 Siskiyou Klamath Range, Klamath National Forest, north slope of Rainbow Mountain, Hemlock Lake 1884 Comment
  CAS-BOT-BC452274  Chimaphila umbellata Edna Kelsey 1961-8-1 s.n. Siskiyou Marble Mts. Comment
  CAS-BOT-BC452276  Chimaphila umbellata C. Hart Merriam 1921-7-7 s.n. Siskiyou South Fork Ridge Comment
  JEPS58868  Chimaphila umbellata W. L. Jepson 1902-7-22 2088 Siskiyou trail from Salmon Forks (Salmon Summit); Western Siskiyou, Salmon Summit 1371 Comment
  CDA3723  Chorispora tenella D. R. Hill 1961-5-17 Siskiyou 1 mile northwest of Gazelle. 0 Comment
  JEPS107654  Chorispora tenella Lowell Ahart, John Dittes 2005-6-10 12120 Siskiyou East side of the corral, end of Salvadori Road, Nelson Ranch, about 1 1/4 miles (air) south of Highway 99/97 Cutoff, about 5 1/4 miles (air) east-southeast of Grenada 785 Comment
  HSC4939  Chrysolepis chrysophylla J. O. Sawyer 1968-7-10 461 Siskiyou Floodplain of Sugar Creek near Sugar Lake. 1799 Comment
  RSA697616  Chrysolepis chrysophylla Leo Miller 1938-1 s.n. Siskiyou Siskiyou Mtns. 915 Comment
  HSC8066  Chrysolepis sempervirens Dorothy Parker 1949-8-12 365 Siskiyou Near Duck Lake Creek, Salmon Mtn. 1524 Comment
  UC618841  Chrysolepis sempervirens unknown 1938-7-22 11330 Siskiyou Sisson Southern Trail; Mount Shasta Comment
  CAS-BOT-BC140656  Chrysothamnus humilis Elmer I. Applegate 1935-8-3 10019 Siskiyou Crater rim of Caldwell Butte, Lava Beds National Monument Comment
  HSC2234  Chrysothamnus viscidiflorus subsp. viscidiflorus Geo. D. Butler 1910-7-20 1731 Siskiyou Goosenest 1524 Comment
  OBI49190  Chrysothamnus viscidiflorus subsp. viscidiflorus Lewis S. Rose 1941-8-28 41427 Siskiyou Dorris 1292 Comment
  UCD127361  Cicuta douglasii P. B. Kennedy 1922-8-22 s.n. Siskiyou Fritz Young Ranch, Scott Valley. Comment
  SEINET13943617 Image available Cicuta occidentalis G. D. Butler 1910-1 1788 Siskiyou Oro Fino Creek Comment
  HSC96870  Cinna latifolia Gordon Leppig 1998-8-13 998 Siskiyou Klamath National Forest, Russian Wilderness, Little Duck Lake Fen, in cirque W of Little Duck Lake 2200 Comment
  RSA0070845  Cirsium andersonii Thomas W. Nelson, Jane P. Nelson, J. P. Smith 1978-7-24 4545 Siskiyou Along State Route 3, just N of Scott Mountain Summit. 1585 Comment
  CAS-BOT-BC284400  Cirsium arvense Alice Eastwood 1912-7-17 1164 Siskiyou Sisson Comment
  JEPS82112  Cirsium brevistylum Rimo Bacigalupi with L. Constance and L. Heckard 1960-7-21 7478 Siskiyou 0.2 mi w Rogers Creek crossing (along California highway 96, road bank on e side of canyon); Klamath River Canyon 228 Comment
  CDA1180  Cirsium cymosum Don Shaw 1974-8-2 s.n. Siskiyou Dorris-Brownell Rd., SE of Dorris. 0 Comment
  CDA39081  Cirsium cymosum Jodi Aceves 2013-5-23 PDR# 470 P06027599 Siskiyou Near Hornbrook, on upland banks of the Klamath River near Klamath River County Estates and R-Ranch Campground. 0 Comment
  CDA35788  Cirsium cymosum var. canovirens Jodi Aceves 2011-7-2 PDR# 1466465 Siskiyou Copco Lake, Ager Beswick Road. 0 Comment
  CAS-BOT-BC279890  Cirsium douglasii var. breweri Peter H. Raven 1956-9-5 10442 Siskiyou North Fork of Sacramento River 2194 Comment
  CAS-BOT-BC32849  Cirsium douglasii var. breweri Alice Eastwood 1912-7-17 1199 Siskiyou Sisson Comment
  POM52121  Cirsium douglasii var. breweri S. B. Parish 1902-9-10 5749 Siskiyou Sissons Comment
  JEPS59330  Cirsium occidentale var. candidissimum W. L. Jepson 1940-6-22 19976 Siskiyou near Hawkinsville; Shasta River 792 Comment
  OBI54113  Cirsium remotifolium var. odontolepis David J. Keil, Kathleen Keil and Mary Faustini 1990-7-28 s.n. Siskiyou Klamath NF. Marble Mtn Wilderness. Rye Crk trl Comment
  CAS-BOT-BC286464  Cirsium scariosum J. C. Chastain 1917-6-1 s.n. Siskiyou Castella Comment
  CAS-BOT-BC286469  Cirsium scariosum John Thomas Howell 1952-6-14 28334 Siskiyou Gazelle Comment
  CAS-BOT-BC439046  Cistanthe monosperma Alice Eastwood 1921-7-24 10760 Siskiyou Castle Lake Comment
  CAS-BOT-BC439049  Cistanthe monosperma Henry M. Pollard 1947-9-6 s.n. Siskiyou Dillons Mt. Forest Road 1524 Comment
  JEPS43821  Clarkia Geo. D. Butler 1908-7-5 510 Siskiyou near Yreka (Humbug road) Comment
  CAS-BOT-BC160928  Clarkia amoena subsp. amoena Alice Eastwood; John Thomas Howell 1937-6-26 5069 Siskiyou Somes Bar Comment
  JEPS43545  Clarkia amoena subsp. huntiana Willis L. Jepson July 1894 14371 Siskiyou Sissons Mt. Shasta Comment
  CAS-BOT-BC164163  Clarkia concinna Doris K. Kildale 1929-5-26 9202 Siskiyou Hawkins Bar on Salmon River 609 Comment
  CAS-BOT-BC172044  Clarkia gracilis subsp. gracilis Carl B. Wolf 1941-7-26 11077 Siskiyou SW end Little Shasta Valley, 12 mi. NE Weed on U.S. Highway #97 at junction with road to Montague 914 Comment
  CAS-BOT-BC172046  Clarkia gracilis subsp. gracilis Roxana S. Ferris; Laura Lorraine 1948-6-12 11711 Siskiyou Schoolhouse Hill, Plowmans Valley (Noyes Valley), east fork of Scott River Comment
  CAS-BOT-BC164974  Clarkia rhomboidea Doris K. Kildale 1930-6-1 9707 Siskiyou Salmon River between Somes Bar and Forks of Salmon 365 Comment
  CAS-BOT-BC164976  Clarkia rhomboidea J. H. Thomas 1949-6-16 948 Siskiyou 1/4 mile north of Beaver Creek Public Camp, 5 miles north of junction of Beaver Creek and Klamath River. Klamath National Forest Comment
  HSC64526  Clarkia rhomboidea J. P. Smith, Steve Selva 1970-6-14 3863 Siskiyou Comment
  RSA237655  Clarkia rhomboidea Frederick W. Oettinger, Robert F. Thorne 1969-8-5 1212 Siskiyou Hot area near English Lake Trail above Willow Spring. The Salmon Mountains. The High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1677 Comment
  SEINET10689255  Clarkia rhomboidea H. E. Brown 1897-7-15 Brown 537 Siskiyou Southwest side Mt. Shasta. Altitude 5000-10000 feet. 1525 Comment
  CAS-BOT-BC439105  Claytonia cordifolia G. J. Muth 1969-8-12 1380 Siskiyou Second Valley Comment
  CAS-BOT-BC439625  Claytonia parviflora subsp. parviflora Carl B. Wolf 1927-8-26 1090 Siskiyou On the Klamath River, 14 mi. above Happy Camp Comment
  CDA23956  Claytonia perfoliata G. D. Barbe, J. T. Howell, T. C. Fuller 1980-4-28 2595 Siskiyou Between Old Highway 99 and railroad 4 km south of Grenada. Comment
  RSA211299  Claytonia rubra William J. Ferlatte 1966-6-22 107 Siskiyou Wooded area 3 miles S of Big Flat. 1585 Comment
  CDA23959  Claytonia rubra subsp. depressa T. C. Fuller 1970-5-27 19587 Siskiyou Interstate 5 at truck inspection station, Dunsmuir Grade, 4 miles north of Dunsmuir. 0 Comment
  CAS-BOT-BC443820  Claytonia rubra subsp. rubra A. A. Heller 1919-6-27 13277 Siskiyou Metcalf's ranch, northeast base of Mt. Eddy 1158 Comment
  CAS-BOT-BC451758  Claytonia serpenticola Harley P. Chandler 1901-6-1 1690 Siskiyou North Coast Ranges. Marble Mountain 2286 Comment
  CAS-BOT-BC443862  Claytonia sibirica Wm. Bridge Cooke 1938-6-24 11182 Siskiyou Mount Shasta. Bear Springs Comment
  CAS-BOT-BC443868  Claytonia sibirica Don. Reinoehl 1925-4-1 s.n. Siskiyou Dunsmuir Comment
  CHSC1385  Claytonia sibirica K. Jaekel 1939-7-25 Siskiyou Mt. Shasta. Comment
  HSC64326  Claytonia sibirica J. P. Smith, Steve Selva 1970-6-15 3958 Siskiyou 20 mi. E of Cecilville on the road to Callahan. 1646 Comment
  HSC23687  Claytonia sibirica J. O. Sawyer 1971-7-15 2424 Siskiyou Along Red Rock Valley Creek 1585 Comment
  UC1409327  Clintonia uniflora Frederick W. Oettinger 1969-8-7 1277 Siskiyou se end of English Lake, in the vicinity of English Peak, Salmon Mountains, Marble Mountain Wilderness Area English Lake; Salmon Mountains, Marble Mountain Wilderness Area, English L 1767 Comment
  RSA167238  Collinsia linearis Joseph P. Tracy 1951-6-16 19475 Siskiyou Summit of Siskiyou Mountains, crossing of the Takilma-Happy Camp Road Comment
  SEINET10931314  Collinsia linearis Mary Susan Taylor 1980-7-8 Taylor 3115 Siskiyou T39N R5W se sec 24, Dunsmuir quad; Shasta-Trinity Natl Forest; on ridge S of Castle Lake, above Hearts Lake. 2017 Comment
  HSC77022  Collinsia parviflora K. T. Stillman 1976-6-25 55 Siskiyou Marble Mtn. Wilderness Area, SW facing slope. 1921 Comment
  JEPS66321  Collinsia parviflora L. R. Heckard with T. I. Chuang 1971-6-16 2585 Siskiyou ca 2 mi n Weed (along US Hwy 97) 1066 Comment
  UC166170  Collinsia parviflora Geo. D. Butler 1910-3-20 1133 Siskiyou hills near Yreka Comment
  HSC41801  Collinsia rattanii Brent Whiteley 1975-7-8 146 Siskiyou Klamath National Forest 762 Comment
  HSC19050  Collinsia torreyi var. latifolia J. O. Sawyer 1969-7-18 1393 Siskiyou W facing slope above S Russian Creek 1860 Comment
  HSC76757  Collomia grandiflora K. T. Stillman 1976-7-21 270 Siskiyou Marble Mtn. Wilderness Area 1982 Comment
  RSA237935  Collomia grandiflora Frederick W. Oettinger 1968-8-11 483 Siskiyou Tom Taylor Cabin spring. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. Comment
  UCD118134  Collomia grandiflora Charlotte Glenn 1967-6-20 114 Siskiyou Klamath River Basin near Seiad Valley. 609 Comment
  SEINET2445781  Collomia heterophylla A. A. Heller 1905-6-1 7947 Siskiyou Upper Soda Spring. Along railroad opposite Upper Soda Spring, under or near shrubs. Comment
  RSA409235  Collomia heterophylla L. C. Wheeler 1934-8-5 3046 Siskiyou Condrey Mt., Siskiyou Mts. Mt. Diablo Mer. 2165 Comment
  CHSC1229  Collomia tinctoria A. Anderson 1962-9-15 Siskiyou Salmon summit. 2164 Comment
  CHSC86641  Collomia tinctoria Jenny Marr 1993-7-1 24 Siskiyou Butte Valley Wildlife Area, +/- 7 air miles NW of the town of MacDoel. Meadow NW of Meiss Lake. 1349 Comment
  HSC119  Collomia tracyi William J. Ferlatte 1967-8-23 1103 Siskiyou Kidd Creek Trail, densely wooded canyon 1677 Comment
  HSC30497  Collomia tracyi Frederick W. Oettinger 1969-8-12 1337 Siskiyou Marble Mtn. Wilderness Area, along main N Fork Trail between Yellow Dog Creek and Abbott's Lower Cabin Comment
  RSA126297  Collomia tracyi I. L. Wiggins 1955-7-22 s.n. Siskiyou South Fork of Salmon River, 9.5 miles above Cecilville. 1067 Comment
  JEPS15750  Conium maculatum Geo. D. Butler 1909-6-26 924 Siskiyou Yreka Comment
  RSA755949  Corallorhiza maculata Robert F. Thorne 1969-8-2 63343 Siskiyou Klamath National Forest, Salmon Mountains, Marble Mountain Wilderness Area, high lake basins in the vicinity of English Peak 1159 Comment
  RSA237633  Corallorhiza mertensiana Frederick W. Oettinger 1969-7-14 1022 Siskiyou Trail from Charmaine Lake to English Lake; Salmon Mounatins, the high lake basins in the vicinity of English Peak, Marble Mountain Wilderness area 1921 Comment
  NY68299  Cordylanthus pallescens F. W. Pennell 1940-7-18 26184 Siskiyou Route 99. 2-3 miles N of Mount Shasta City. 1158.2 Comment
  UC1607574  Cordylanthus tenuis Barbara Ertter 1990-7-14 9348 Siskiyou Wagon Creek on E side of Mt Eddy, ca 4 airmiles W. of Mt Shasta City 1767 Comment
  JEPS57500  Cordylanthus tenuis subsp. pallescens L. R. Heckard with T. I. Chuang and R. Bacigalupi 1968-8-12 2122 Siskiyou 4 mi nw of City of Mount Shasta (sw of Black Butte, along Garbage Disposal Road just off Highway 5 (old 99)); Garbage Disposal Road 1173 Comment
  JEPS70113  Cordylanthus tenuis subsp. pallescens L. R. Heckard 1972-8-4 3150 Siskiyou ca. 4 mi nw Mt. shasta City (s of Black Butte, 0.1 mi from road parallelling old US Hwy 99, along Pony Trail Dr, near Shasta Abbey (Zen Mission)) 1188 Comment
  JEPS74931  Cordylanthus tenuis subsp. pallescens T. I. and F. M. Chuang 1975-7-21 7546 Siskiyou near sw base Black Butte (along hwy 5) 1066 Comment
  JEPS57137  Cordylanthus tenuis subsp. viscidus L. R. Heckard 1967-7-5 1603 Siskiyou n side Mt. Shasta (along Bolam logging road) 1524 Comment
  JEPS85954  Cordylanthus tenuis subsp. viscidus Don Burk 1990-11-3 Siskiyou w Dunsmuir (n side of road 40N26, ca. 1.8 mi below South Fork Sacramento River Bridge); Shasta National Forest 1828 Comment
  HSC103859  Cordylanthus tenuis subsp. viscidus Thomas W. Nelson, Shauna Hee 2006-8-4 9463 Siskiyou Scott Mtn. Pass, along ridge between Carmen Lake, Hwy. 3, ridge S of junction of FS Rds. 40N08 and 44N44 1671 Comment
  CAS-BOT-BC212284  Cornus glabrata Elmer I. Applegate 1923-9-5 3937 Siskiyou 12 miles down the Klamath River from the mouth of Shasta River Comment
  RSA105468  Cornus glabrata Milo S. Baker 1955-6-27 13090 Siskiyou Road Gazelle to Callahan. Comment
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Oct 9 2014
  SBBG5317  Cornus nuttallii J. M. Tucker 1947-5-17 154 Siskiyou ca. 5 mi SE of Callahan on rd to Scott Mtn Comment
  CAS-BOT-BC210397  Cornus sericea L. B. Kildale 1930-5-31 9796 Siskiyou Island in Klamath River near Hornbrook Comment
  CAS-BOT-BC210402  Cornus sericea Wm. Bridge Cooke 1938-7-1 11121 Siskiyou Mount Shasta. Bear Spring Comment
  CAS-BOT-BC210408  Cornus sericea Doris K. Kildale 1928-8-19 6580 Siskiyou Hancock Lake on trail to Marble Mt. Comment
  CAS-BOT-BC210417  Cornus sericea Lewis S. Rose 1925-7-27 s.n. Siskiyou Shasta Springs Comment
  CAS-BOT-BC210421  Cornus sericea Alice Eastwood 1912-7-17 1177 Siskiyou Sisson Comment
  HSC100198  Cornus sericea J. P. Smith, & J. O. Sawyer 2011-9-6 13423 Siskiyou Along East Moffett Creek Road 983 Comment
  UC1408909  Cornus sericea subsp. sericea Frederick W. Oettinger 1968-9-1 634 Siskiyou e. shore Abbotts Lake; Salmon Mts., High Lake Basins, vicin. English Peak, Marble M 1722 Comment
  UC61176  Corylus californica W. A. Setchell, C. C. Dobie 1902-7-13 Siskiyou Sisson Mount Shasta Comment
  UC61654  Corylus californica Geo. B. Grant Sep 1902 5240 Siskiyou Mount Shasta 609 Comment
  CAS-BOT-BC180205  Corylus cornuta subsp. californica A. A. Heller 1915-7-18 12128 Siskiyou Metaclf's ranch, NE base of Mt. Eddy 1371 Comment
  UCD110080  Corylus cornuta subsp. californica AT Leiser 1973-3-22 s.n. Siskiyou Dunsmuir. Comment
  HSC101718  Crataegus gaylussacia J. P. Smith, J. O. Sawyer 2011-6-25 13275 Siskiyou Along Sugar Creek Rd. 1214 Comment
  HSC76954  Crepis acuminata K. T. Stillman 1976-7-15 247 Siskiyou Marble Mountain Wilderness Area. Comment
  JEPS93879  Crepis acuminata Vernon H. Oswald and Lowell Ahart 1998-7-21 9319 Siskiyou Highway 97 at the 11.0 mi marker 1.2 mi w of A12 ne of Weed; Highway 97. 1188 Comment
  UC313843  Crepis monticola J. L. Collins 1927-6-8 Siskiyou Yreka Comment
  POM33148  Crepis monticola Geo. D. Butler 1910-6-2 1450 Siskiyou Near Yreka. Comment
  CAS-BOT-BC290837  Crepis occidentalis subsp. pumila Alice Eastwood; John Thomas Howell 1936-6-13 2753 Siskiyou 6 miles n. of Weed Comment
  HSC43863  Crepis pleurocarpa Maralyn O'Meara 1974-5-25 371 Siskiyou Along Rd. 8, 0.9 mi. from its junction with Hwy. 3 976 Comment
  HSC82002  Crepis pleurocarpa Thomas W. Nelson, Jane P. Nelson 1979-6-16 4850 Siskiyou Along Hwy. 3, 3.1 mi. N of Scott Mtn. Summit 1280 Comment
  CHSC71280  Crocidium multicaule Vernon H. Oswald; Lowell Ahart 1998-6-11 9215 Siskiyou Butte Valley National Grassland near the juction of Meiss Lake-Sams Neck Rd. and Hwy. 97 ca. 5 mi north of Macdoel. 1295 Comment
  JEPS84098  Cryptantha affinis L. R. Heckard with S. D'Alcamo, J. Hickman, S. Winchester 1986-7-15 6313 Siskiyou from Takilma to Happy Camp (Indian Creek Road, just s of state line) Comment
  HSC99209  Cryptantha affinis J. O. Sawyer 1969-7-1 967 Siskiyou NE facing lower slope above Paynes Lake Creek 1829 Comment
  JEPS67602  Cryptantha flaccida Geo. D. Butler 1909-5-10 734 Siskiyou near Yreka Comment
  JEPS125890  Cryptantha milobakeri Dean W. Taylor 1996-7-11 15786 Siskiyou Shasta Trinity National Forest; Scott Mountains, ridge dividing West Fork Parks Creek drainage from Willow Creek drainage, ca 15 air miles W of Weed and 3 air miles W of Stewart Springs. Comment
  HSC33977  Cryptantha muricata var. jonesii J. P. Smith 1974-5-25 7441 Siskiyou Near junction of Rd. 8 with French Creek Rd. 1280 Comment
  HSC99247  Cryptantha subretusa Jennifer Whipple 1976-9-2 1761 Siskiyou S face of Mt. Eddy draining into the N Fork of the Sacramento River 2500 Comment
  POM72148  Cryptantha torreyana Geo. D. Butler 1910-5-8 1310 Siskiyou Near Yreka. Comment
  CAS-BOT-BC70531  Cryptogramma cascadensis Geo. B. Grant 1902-9-1 5098 Siskiyou Horse Camp, Mt. Shasta 2438 Comment
  CAS-BOT-BC80566  Cupressus bakeri Matthews 1939-7-1 30 , 31 & 32 Siskiyou Above Seiad Grove Comment
  UC1321451  Cupressus bakeri C. O. Stone 1964-6-6 287 Siskiyou approximately 100 yds n Quarry in section 25 (plot 52-54-1); Fall River Mills Quad 1109 Comment
  NY16598  Cupressus bakeri G. Schoolcraft 1983-9-14 1153 Siskiyou About 3 miles north of Timbered Crater 1097.3 Comment
  SEINET11052424  Cupressus bakeri D. Charlet, T. Charlet 1996-11-25 2344 Siskiyou Scott Bar Mountains, Scott River, between Spring Flat and Kelsey station. 683 Comment
  SEINET10531077  Cupressus bakeri subsp. matthewsii Matthews 1939-7-11 MATTHEWS 32 Siskiyou Salad Grove. 855 Comment
  UC164127  Cuscuta epithymum Geo. D. Butler 1908-7-10 1015 Siskiyou near Yreka Comment
  HSC77761  Cuscuta suksdorfii L. P. Janeway 1983-9-11 671 Siskiyou Poker Flat 1524 Comment
  RSA70993  Cuscuta suksdorfii var. subpedicellata L. C. Wheeler 1934-7-31 3011 Siskiyou 1 mi. E Dry Lake Lookout. 1829 Comment
  UC1950079  Cymopterus terebinthinus var. californicus Barbara Ertter with Thomas J. Delendick 1996-5-7 14626 Siskiyou Hwy 97 NE of Weed Comment
  POM215940  Cynoglossum occidentale L. C. Wheeler 1934-6-7 2649 Siskiyou Siskiyou Mountains: Hungry Creek Lookout. 1502 Comment
  JEPS64056  Cyperus squarrosus B. C. Goldsmith 1916-9-9 21 Siskiyou Klamath R., Klamath Hot Springs Comment
  RSA264952  Cypripedium californicum G. L. Clifton 1975-7-28 9828 Siskiyou Near Siskiyou Mountains, near Seiad Valley; (Seiad Valley quad) 1634 Comment
  RSA585077  Danthonia californica L. C. Wheeler 1934-7-2 2842 Siskiyou Little Smoky Creek, Sterling Mt., Siskiyou Mts. 1280 Comment
  UCD60516  Danthonia californica R. Tofsrud 1948-8-3 s.n. Siskiyou Poker Flat, near Del Norte Co. border. Comment
  CAS-BOT-BC76227  Darlingtonia californica J. H. Miller 1886-7-1 s.n. Siskiyou Mount Shasta. Comment
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Nov 6 2019
  CAS-BOT-BC76243  Darlingtonia californica Elizabeth McClintock; Wayne Roderick; Martha Roderick 1967-7-28 s.n. Siskiyou Gumboot Lake, Trinity Mountains. 1828 Comment
  HSC38594  Darlingtonia californica J. P. Smith, J. O. Sawyer 1972-9-12 5768 Siskiyou Scott Mtn., E of Big Carmen Lake. 1677 Comment
  SEINET10914313  Darlingtonia californica Andrew Townesmith, Karen M. Meyer 2007-8-1 Townesmith 888 Siskiyou Shasta-Trinity National Forest. 11.7 miles up Stewart Springs road/Forest Service road 17 (distance from intersection of Stewart Springs and Old 99 Highway). T41N R6W near sections 28 and 33. 1983 Comment
  RSA698849  Darlingtonia californica Leo Miller 1938-06 s.n. Siskiyou Siskiyou Mountains [Siskiyou or Del Norte counties]. 854 Comment
  POM71157  Datura stramonium Geo. D. Butler 1910-7-1 1620 Siskiyou Yreka. Comment
  HSC43033  Daucus carota J. O. Sawyer, K. T. Stillman 1976-7-2 2806 Siskiyou Ridges E of the Little N Fork Trail 732 Comment
  CAS-BOT-BC9570  Delphinium antoninum J. H. Thomas 1954-5-13 4150 Siskiyou Salmon Mountains, Klamath National Forest. Near South Fork of Salmon River, 5 to 9 miles southeast of Cecilville 1127 Comment
  CAS-BOT-BC8971  Delphinium depauperatum Elmer Ivan Applegate 1923-8-17 3840 Siskiyou Medicine Lake Comment
  HSC36435  Delphinium depauperatum J. P. Smith 1974-5-26 7579 Siskiyou Along FS Rd. 47N03, 1/4 mi. NE of Chandler Glade 1768 Comment
  RSA120765  Delphinium depauperatum S. S. Tillett 1956-7-9 632 Siskiyou Scott Mtn, Siskiyou Trinity County line, 8 miles SE of Callahan. 2073 Comment
  CAS-BOT-BC9882  Delphinium nudicaule George Dexter Butler 1909-4-18 599 Siskiyou Humbug Divide Comment
  JEPS93822  Delphinium nuttallianum Vernon H. Oswald and Lowell Ahart 1998-6-11 9205 Siskiyou 9 air mi e of Grass Lake (22 air mi ne of Weed, Dry Lake on the s side of Tennant Road); Dry Lake, Tennant Road 1402 Comment
  RSA238283  Delphinium nuttallianum Frederick W. Oettinger 1969-7-10 955 Siskiyou Base of cliff SW of Upper English Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1951 Comment
  CAS-BOT-BC192462  Deschampsia cespitosa subsp. cespitosa Thomas W. Nelson; Jane P. Nelson 1980-7-20 6171 Siskiyou On hillside above and to southeast of Big Carmen Lake 1737 Comment
  UC204799  Deschampsia cespitosa subsp. cespitosa Geo. D. Butler 1910-7-7 1652 Siskiyou Shackleford Creek 914 Comment
  RSA184788  Deschampsia danthonioides Gilbert Muth 1966-7-19 430 Siskiyou Marble Gap Trail, along first bluff, Marble Mountains. 1829 Comment
  HSC26550  Deschampsia elongata J. P. Smith, Steve Selva 1970-7-17 4464 Siskiyou Below Kangaroo Lake. 1890 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
  HSC30519  Deschampsia elongata Frederick W. Oettinger, R. W. Thorne 1969-8-5 1190 Siskiyou Marble Mountain Wilderness Area: NW side of English Peak. 1951 Comment
  HSC68985  Deschampsia elongata Maralyn A. Renner 1980-7-24 2061 Siskiyou Lily Pad Lake 1768 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
  UC1950437  Deschampsia elongata Barbara Ertter 1990-7-14 9335 Siskiyou where several forks join before a steep drop; Wagon Creek on E side of Mt Eddy, ca 4 airmiles W of Mt. Shasta City Comment
  UCD114762  Descurainia pinnata R. E. Preston 1982-5-1 275 A Siskiyou 0.75 mile south of Camp Creek campground, Irongate Reservoir. 701 Comment
  CAS-BOT-BC43268  Descurainia pinnata subsp. glabra George Dexter Butler 1909-1-12 895 Siskiyou McAdams Creek. Comment
  UCD114792  Descurainia sophia R. N. Raynor 1940-4-11 s.n. Siskiyou Montague. Comment
  HSC5962  Dieteria canescens var. shastensis D. M. Thomson 1965-8-21 205 Siskiyou California Lava Beds National Monument; 1/4 mi. N of Devil's Homestead Comment
  CAS-BOT-BC153658  Diplacus jepsonii A. A. Heller 1922-7-15 13702 Siskiyou At Medicine Lake 2133 Comment
  CAS-BOT-BC153455  Diplacus layneae Copeland 1903-9-5 3851 Siskiyou Igerna Comment
  CAS-BOT-BC153719  Diplacus nanus Elmer I. Applegate 1935-6-6 9364 Siskiyou North base of Caldwell Butte, Lava Beds National Monument Comment
  SD60415  Diplacus nanus Peter H. Raven 1962-5-30 17902 Siskiyou flats on pumice, US Hwy 97, 8.3 miles north of Weed Comment
  RSA755664  Dodecatheon alpinum Barbara J. Ertter, Julie Kierstead, Jim Nelson 1990-7-15 9370 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
  UC877609  Dodecatheon alpinum A. A. Heller 1915-7-15 12089 Siskiyou Mt. Eddy 1828 Comment
  HSC4466  Dodecatheon jeffreyi William J. Ferlatte 1966-7-7 202 Siskiyou Caribou Basin 1982 Comment
  RSA68858  Dodecatheon jeffreyi A. E. Culbertson 1943-6-29 98 Siskiyou In creek below Castle Lake; in north facing cirque with an abrupt 1000' backwall; 14 mi. s.w. of Mt. Shasta on n. side of A 6600' eastern spur of Trinity Mrs.; 2000' above Sacramento R. within 10 air miles of its headwaters to the west. 1657 Comment
  UCD119026  Dodecatheon jeffreyi J. M. Tucker 1974-7-28 4307 Siskiyou Haypress Meadows, Marble Mountain Wilderness Area. 1463 Comment
  UCSB24487  Dodecatheon jeffreyi Favere, R. 1968-3-24 Siskiyou 7 mi. down Klamath River Rd.; 5 1/2 mi. up Lumgrey Creek Rd., Siskiyou Mts. Comment
  CHSC71294  Downingia insignis Vernon H. Oswald; Lowell Ahart 1998-6-11 9217 Siskiyou Butte Valley National Grassland near the junction of Meiss Lake-Sams Neck Rd. and Hwy. 97 ca. 5 mi north of Macdoel. 1295 Comment
  UC1244079  Downingia pulcherrima John Weiler and A. P. Nelson 1960-6-25 60207 Siskiyou 2.3 mi nw Weed (at the side of Highway 99) Comment
  SEINET248096  Draba aureola Noel H. Holmgren, Patricia K. Holmgren; Melinda F. 1980-6-30 9447 Siskiyou Scott Mountains, upper Trinity River, Mount Eddy trial from Deadfall Meadows, top of Mount Eddy, 14 km (8.5 mi) air distance west of Mount Shasta City, at Siskiyou Co. line. 2740 Comment
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Jul 7 2020
  HSC90894  Draba carnosula Jennifer Whipple 1976-7-1 1233 Siskiyou Near Little Crater Lake 2195 Comment
  UCD115052  Draba howellii W. C. Overton Jr. 1977-7-10 s.n. Siskiyou Along trail from Big Flat Campground to Sunrise Pass (between the headwaters of Gulick Creek to the NW and Sunrise Creek to the SE) between where it crosses contour lines 7280 and summit at ca. 7440 feet, Klamath National Forest. 2218 Comment
  RSA237280  Draba howellii Frederick W. Oettinger 1968-9-1 646 Siskiyou South of Abbott s Lake. Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1799 Comment
  CAS-BOT-BC41311  Draba pterosperma K. T. Stillman 1976-7-30 318 Siskiyou Marble Mountain Wilderness Area. Ridge top just north of Black Mountain. 2103 Comment
  HSC76967  Draba pterosperma K. T. Stillman 1976-7-30 318 Siskiyou Marble Mtn. Wilderness Area, ridge top just N of Black Mtn. 2104 Comment
  CAS-BOT-BC41409  Draba verna L. E. Smith 1913-3-26 24 Siskiyou Yreka near depot. Comment
  RSA47630  Draba verna Roxana S. Ferris, Laura Lorraine 11894 Siskiyou Gazelle Mountain grade, road between Callahan and Gazelle. 1500 Comment
  UC455949  Draperia systyla I. J. Condit 1911-7-7 Siskiyou Shasta Retreat, along Rail Road 1066 Comment
  HSC86529  Drymocallis glandulosa D. K. Imper Jun 1987 Siskiyou 8 mi. E of Somes Bar 1372 Comment
  UC73027  Drymocallis lactea var. austiniae Milo S. Baker Aug. 1897 Siskiyou Mt. w Medicine Lake (near to); Mt. West of Medicine Lake 3048 Comment
  CAS-BOT-BC536727  Drymocallis pseudorupestris Wm. Bridge Cooke 1938-8-23 11570 Siskiyou North Slope of Shastina. Hudsonian. Comment
  UC1045252  Drymocallis pseudorupestris var. saxicola W. Bridge Cooke 1940-7-26 15372 Siskiyou w side Shastina; Mount Shasta, w side of Shastina Comment
  CDA4585  Echinops exaltatus V. Pierce, M. Grifantini 1970-7-2 Siskiyou David Caldwell property, The Pines, Interstate 5, south of Yreka. 0 Comment
  POM144790  Eleocharis bella E. B. Copeland 1903-8-12 3825 Siskiyou Sisson. Comment
  JEPS109699  Eleocharis decumbens Dean W. Taylor 2002-7-20 18263 Siskiyou Forest Road 17 ca. 4.9 road miles (above) junction with Stewart Springs Road, Parks Creek 1737 Comment
  RSA238950  Eleocharis decumbens Frederick W. Oettinger, Robert F. Thorne 1969-8-4 1181 Siskiyou Just north of Tobacco Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1890 Comment
  UCSB63910  Eleocharis engelmannii Oswald, Vernon; Ahart, Lowell 1997-7-28 Siskiyou East side of Forest Route 15, 10.9 mi. north of Hwy. 89; T41N R2E Sect. 18, Lodgepole Pine Forest 1383 Comment
  UC1100727  Eleocharis palustris Calvin McMillan, Malcolm A. Nobs 1949-6-17 803 Siskiyou Grass Lake, Highway 97 Comment
  POM84475  Eleocharis palustris Geo D. Butler 1910-5-26 1410 Siskiyou Yreka. Comment
  SBBG27205  Eleocharis parishii L. C. Wheeler 1934-8-31 3230 Siskiyou Lund Ranch, W Fork Beaver Crk; Siskiyou Mtns 1066 Comment
  UCR101238  Elymus L. C. Wheeler 1934-8-14 3132 Siskiyou Siskiyou Mtns, North side of White Mountain 1768 Comment
  JEPS84001  Elymus X aristatus L. R. Heckard with S. D'Alcamo, J. Hickman, S. Winchester 1986-7-16 6433 Siskiyou Hell's Canyon Kangaroo Mountain (cirque at head, e slope of mt., ca 5 mi n of town of Seiad Valley) 1828 Comment
  HSC100300  Elymus caput-medusae J. P. Smith, & J. O. Sawyer 2011-6-25 13259 Siskiyou At the junction of Hwy. 3 and Callahan - Gazelle Road. 834 Comment
  CAS-BOT-BC227913  Elymus elymoides M. B. Dunkle 1945-7-22 9241 Siskiyou Klamath National Forest. Wooley Pocket 2133 Comment
  RSA233654  Elymus elymoides R. F. Thorne, Frederick W. Oettinger 1969-8-10 38999 Siskiyou Mt. Shasta National Forest: S slope of Mt. Shasta; at base of boulders on dry, sunny, volcanic slopes above ski-lodge. 2378 Comment
  HSC92552  Elymus elymoides var. californicus Jennifer Whipple 1976-7-8 1367 Siskiyou Ridgetop W of Dobkins Lake 2256 Comment
  HSC77089  Elymus glaucus K. T. Stillman 1976-7-30 333 Siskiyou Marble Mtn. Wilderness Area, Elk Valley. Comment
  CAS-BOT-BC206607  Elymus glaucus subsp. glaucus Copeland 1903-9-6 3802 Siskiyou Mt. Eddy Comment
  CAS-BOT-BC206612  Elymus glaucus subsp. glaucus Geo. D. Butler 1910-7-3 1624 Siskiyou Goosenest foothills Comment
  CHSC88365  Elymus multisetus Jenny Marr 1993-7-1 171 Siskiyou Butte Valley Wildlife Area, +/- 7 air miles NW of the town of MacDoel. Meadow NW of Meiss Lake. 1349 Comment
  HSC38842  Elymus multisetus J. P. Smith, Steve Selva 1970-6-15 3949 Siskiyou Road between Forks of Salmon and Cecilville. 579 Comment
  RSA273424  Elymus multisetus J. P. Smith, J. O. Sawyer, Maralyn O'Meara 1934-7-4 5734 Siskiyou 2.0 miles south of Sugar Creek on Parrot Mill Road 1341 Comment
  CAS-BOT-BC213812  Elymus repens Dorothy Parker 1945-9-9 121 Siskiyou Fields on Parker Ranch, Plowman's Valley 1097 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
  CAS-BOT-BC204305  Elymus trachycaulus subsp. trachycaulus L. P. Janeway 1983-8-26 593 Siskiyou Siskiyou Mountains; at Poker Flat 1524 Comment
  CHSC61572  Elymus trachycaulus subsp. trachycaulus L. P. Janeway 1983-8-26 593 Siskiyou Siskiyou Mountains; at Poker Flat, meadow. 1524 Comment
  RSA105339  Epilobium angustifolium subsp. circumvagum Douglas Barbe 1955-7-5 104 Siskiyou 5 miles north of Etna on Greenview Road 884 Comment
  CHSC88395  Epilobium brachycarpum Jenny Marr 1993-7-1 154 Siskiyou Butte Valley Wildlife Area, +/- 7 air miles NW of the town of MacDoel. Meadow NW of Meiss Lake. 1349 Comment
  RSA240051  Epilobium brachycarpum Frederick W. Oettinger 1969-8-12 1339 Siskiyou Along Main, North Fork Trail, between Yellow Dog Creek and Abbott s Lower Cabin. Salmon Mtns. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. Comment
  RSA31203  Epilobium brachycarpum W. Bridge Cooke 1940-7-12 15331 Siskiyou Along the Memorial Highway 1372 Comment
  HSC103904  Epilobium canum subsp. latifolium Dana York, Richard Helliwell 2010-9-11 3015 Siskiyou Six Rivers National Forest. Northeast slope of Broken Rib Mountain 1671 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
  HSC49650  Epilobium ciliatum subsp. ciliatum J. P. Smith, Steve Selva 1970-7-15 4341 Siskiyou Klamath National Forest, road to Happy Camp. 732 Comment
  POM32629  Epilobium ciliatum subsp. ciliatum E. B. Copeland 1903-7-7 3548 Siskiyou Hornbrook. Comment
  UC1409431  Epilobium ciliatum subsp. glandulosum Frederick W. Oettinger and R. F. Thorne 1969-8-5 1201 Siskiyou on English Lake trail to Abbots Salmon Mountains, Marble Mountain Wilderness Area, Willow Sp (w Siskiyou Co.) 1676 Comment
  HSC96312  Epilobium glaberrimum subsp. fastigiatum Gordon Leppig 1998-8-14 1019 Siskiyou Klamath National Forest, Russian Wilderness, Little Duck Lake Fen, cirque W of Little Duck Lake 2200 Comment
  UCD77629  Epilobium glaberrimum subsp. fastigiatum Robert E. Preston 2002-7-11 1896 Siskiyou Rainbow Mountain and Vicinity. Klamath National Forest, Trout Creek Meadow 1505 Comment
  HSC24698  Epilobium glaberrimum subsp. glaberrimum J. O. Sawyer 1969-7-26 1592 Siskiyou Along Sugar Creek 1707 Comment
  RSA120861  Epilobium glaberrimum subsp. glaberrimum H. K. Wagnon 1957-8-11 1711 Siskiyou East slope of Mt. Shasta, along Ash Cr., ca. 1 mi N of Military Pass Rd. Comment
  RSA211355  Epilobium hornemannii subsp. hornemannii William J. Ferlatte 1967-8-20 1057 Siskiyou Caribou Basin, Sawtooth Ridge. 2043 Comment
  CHSC32903  Epilobium minutum James P. Smith 1973-5-5 6521 Siskiyou Scott Bar along the Scott River. Comment
  JEPS84191  Epilobium obcordatum L. R. Heckard with S. D'Alcamo, J. Hickman, S. Winchester 1986-7-16 6405 Siskiyou cirque at head of canyon Hell's Canyon (ca 5 mi n of town of Seiad Valley) 1750 Comment
  CAS-BOT-BC58021  Equisetum Melissa A. Berry 1957-7-8 s.n. Siskiyou N. Fork of the Salmon River. 609 Comment
  UC399179  Equisetum X ferrissii Geo. D. Butler 1908-7-16 250 Siskiyou Klamath River Comment
  HSC73294  Equisetum arvense Gail Newton 1980-6-20 516 Siskiyou Near Bald Mtn. 1097 Comment
  MACF015280  Equisetum arvense Donald Myrick 1966-8-12 1539 Siskiyou Mountain Meadow Ranch, Big Flat, Trinity Alps 1523 Comment
  UC399181  Equisetum hyemale subsp. affine Geo. D. Butler 1908-8-2 251 Siskiyou Shackleford Creek Comment
  HSC36221  Equisetum laevigatum John Rehling 1974-8-24 40 Siskiyou Along Hwy. 3, 1.5 mi. N of Fort Jones Comment
  HSC60047  Equisetum laevigatum M. A. Baker 1978-5-20 576 Siskiyou 3 km N of Somes Bar Comment
  SD10034  Equisetum telmateia subsp. braunii Eleanor C. Layman 1933-9-3 Siskiyou Shasta Springs Comment
  UC220632  Eremocarpus setiger H. E. Brown Jul 15 1897-Jul 31 1897 571 Siskiyou Mt. Shasta; s side 1524 Comment
  CAS-BOT-BC174223  Eremogone congesta var. congesta Louis C. Wheeler 1934-8-2 3023 Siskiyou Head of Jaynes Canyon, Siskiyou Mts. 2072 Comment
  CAS-BOT-BC168329  Eremogone congesta var. congesta A. A. Heller 1915-8-26 12228 Siskiyou Near the source of Wagon Creek, Mt. Eddy 2590 Comment
  SD90261  Ericameria bloomeri Robert F. Thorne, Fred Oettinger 1969-8-10 38988 Siskiyou Mount Shasta National Forest, south slope of Mount Shasta above ski-lodge 2375 Comment
  SJSU3011  Ericameria bloomeri J. W. Tilden 1967-8-22 1770 Siskiyou proximity of Bartle, southeastern Siskiyou County Comment
  UC86503  Ericameria bloomeri J. D. Hooker and A. Gray 1877-1 Siskiyou Shasta Mt. Comment
  SEINET204960  Ericameria bloomeri Loran C. Anderson, Kent Fish 1965-8-17 2943 Siskiyou 3 miles north of town of Mount Shasta 1128 Comment
  HSC92185  Ericameria greenei Jennifer Whipple 1977-8-4 2165 Siskiyou Wagon Creek drainage on the E face of Mt. Eddy 2195 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
  UC179690  Ericameria greenei A. A. Heller 1914-8-28 11727 Siskiyou Mt. Eddy 1889 Comment
  HSC27008  Ericameria nauseosa J. P. Smith, J. O. Sawyer 1972-9-12 5772 Siskiyou Scott Mtn., slopes E of Big Carmen Lake 1982 Comment
  CAS-BOT-BC299463  Ericameria nauseosa var. speciosa John Thomas Howell 1939-8-6 15105 Siskiyou Elk Mt., Marble Mts. Comment
  UC1119831  Ericameria nauseosa var. speciosa A. E. Wieslander 1932-10-9 274 Siskiyou near Hilts; Yreka Comment
  SBBG25834  Erigeron D. Myrick 1966-8-9 1510 Siskiyou Mtn Meadow Ranch, Big Flat, Trinity Alps 1524 Comment
  HSC5546  Erigeron aliceae Ruby Van Deventer 1939-7-18 43 Siskiyou Poker Flat, south of Little Greyback Mtn 1524 Comment
  UC165281  Erigeron aliceae Geo. D. Butler 1908-8-8 290 Siskiyou near head of Molly Creek Comment
  HSC76764  Erigeron aliceae K. T. Stillman 1976-9-9 495 Siskiyou Ridge above Paradise Lake, Marble Mountain Wilderness Area Comment
  CHSC57412  Erigeron bloomeri var. bloomeri L. P. Janeway 1984-6-22 874 Siskiyou Ca 1 mi north of Scott Summit on Road 40N08. 1645 Comment
  RSA238780  Erigeron cervinus Frederick W. Oettinger 1968-9-1 645 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-BC297107  Erigeron compositus Wm. Bridge Cooke 1940-7-26 15384 Siskiyou Vicinity of Merriam's timberline on the west side of Shastina, Mount Shasta 2895 Comment
  UC75816  Erigeron compositus Milo S. Baker 1899-7-31 Siskiyou above Warren and Andersons Mill Ash Creek (e slope of Mt. Shasta); Mt. Shasta, Ash Creek Comment
  CAS-BOT-BC297163  Erigeron concinnus var. concinnus Elmer I. Applegate 1929-6-18 5737 Siskiyou About 5 miles north of Edgewood, Shasta Valley Comment
  UC585086  Erigeron filifolius E. B. Babcock, G. L. Stebbins Jr. 1936-6-11 1955 Siskiyou about 2 mi s Sheep Rock (n slope of Mt. Shasta on highway from Bray to Weed); Mt. Shasta 1249 Comment
  HSC29194  Erigeron foliosus var. confinis Frederick W. Oettinger 1968-8-22 591 Siskiyou Summit of English Peak 2229 Comment
  POM357595  Erigeron foliosus var. foliosus M. B. Dunkle 1945-07 9244 Siskiyou Klamath National Forest; Marble Mts. Comment
  RSA44886  Erigeron foliosus var. hartwegii J. C. Roos 1948-9-1 3950 Siskiyou Summit of pass SW of Etna Comment
  HSC19467  Erigeron glacialis var. glacialis J. O. Sawyer 1969-7-24 1488 Siskiyou NE facing seep SW of Sugar Lake 1890 Comment
  JEPS89687  Erigeron nivalis Dean Wm. Taylor, Rexford E. Palmer, Glenn L. Clifton 1987-8-9 9267 Siskiyou Medicine Lake Area, on s wall of Alcohol Crater, extreme northeastern portion of county Alcohol Crater; Medicine Lake Area, Alcohol Crater 2072 Comment
  CAS-BOT-BC295805  Erigeron petrophilus var. viscidulus Louis C. Wheeler 1934-8-24 3219 Siskiyou Klamath National Forest. Trapper Cr. 1859 Comment
  CAS-BOT-BC295811  Erigeron petrophilus var. viscidulus A. A. Heller 1914-8-28 11737 Siskiyou East side of Mt. Eddy 2499 Comment
  HSC92788  Erigeron petrophilus var. viscidulus Jennifer Whipple 1976-7-9 1359 Siskiyou Dobkins Lake drainage on E facing slopes above Dobkins Lake 2256 Comment
  RSA696015  Erigeron petrophilus var. viscidulus Barbara Ertter 1990-7-14 9328 Siskiyou Wagon Creek on E side of Mt. Eddy, ca 4 airmiles W of Mt. Shasta City. 1951 Comment
  UC336095  Erigeron petrophilus var. viscidulus unknown Siskiyou side of Mt. Shasta Comment
  CAS-BOT-BC300109  Erigeron pumilus A. A. Heller 1938-7-12 15261 a Siskiyou Near the eastern base of Deer Mountain on U. S. Highway #97 Comment
  RSA24218  Eriodictyon californicum Carl B. Wolf 1940-12-12 9799 Siskiyou Siskiyou Mountains 1 mile above Oak Knoll Ranger Station on road to Dry Lake Lookout. 762 Comment
  SEINET5495491  Eriodictyon californicum G. Butler 1910-5-25 1405 Siskiyou Near Yreka Comment
  CHSC36178  Eriogonum compositum var. compositum K. Bridwell; M. Hayes 1978-4-14 79 Siskiyou Along Klamath River, n side of Hwy 96, ca. 0.5 mi w of intersection of Hwy 96 and Hwy 99. 670 Comment
  CAS-BOT-BC242530  Eriogonum congdonii Julie Kierstead Nelson; Rhonda Posey; Ross Olson 2007-8-1 2007 -028 Siskiyou The Eddys, west of Mt. Shasta. East of Toad Lake trailhead, terminus of Forest Service Rd. 40N64, headwaters of Middle Fork of upper Sacramento River 2051 Comment
  RSA594177  Eriogonum congdonii S. O. Mattoon 1978-9-23 46 Siskiyou Mt. Eddy Divide, 2 miles N of Dead Fall Meadows; Shasta North Fork at Trinity Co. line 2287 Comment
  CHSC99724  Eriogonum diclinum L. P. Janeway 2008-7-24 9479 A Siskiyou Klamath Ranges. Siskiyou Mountains; crest of the mountain 2.1 air km northeast of Condrey Mountain. 2115 Comment
  NY323263  Eriogonum diclinum L. C. Wheeler 1934-9-1 3235 Siskiyou Siskiyou Mountains; Mt. Diablo Mer.; Jaynes Canyon 1950.7 Comment
  UC722838  Eriogonum douglasii var. meridionale C. L. Hitchcock, J. S. Martin 1939-7-8 5304 Siskiyou n side of Black Mt. Black Mt. 2072 Comment
  CAS-BOT-BC255757  Eriogonum elatum var. villosum Carl B. Wolf 1927-8-26 1002 Siskiyou On the Klamath River, 5 mi. below Hornbrook Comment
  RSA15652  Eriogonum elatum var. villosum Carl B. Wolf 1927-8-26 1002 Siskiyou Klamath River, 5 miles below Hornbrook. Comment
  CAS-BOT-BC263653  Eriogonum luteolum var. luteolum James L. Reveal; Mark L. Reveal 1975-8-15 3949 Siskiyou Along the Daggett Creek Road on the west slope of Cedar Cove, about 0.5 mile east of Forest Service Road 46N52, about 2.2 miles north of California Highway 96, Klamath National Forest, Siskiyou Mountains Comment
  CAS-BOT-BC267390  Eriogonum marifolium var. marifolium A. A. Heller 1939-7-31 15429 Siskiyou Junction of the Horse Camp and Panther Meadow roads. Mt. Shasta 2286 Comment
  CAS-BOT-BC261673  Eriogonum nudum var. nudum Gilbert J. Muth 1969-8-8 1301 Siskiyou Boulder Peak Ridge Comment
  SEINET11262483  Eriogonum nudum var. nudum J. O. Sawyer 1969-8-1 1672 Siskiyou Etna quad. Above Duck Lake Creek.; 0 Comment
  SEINET7064423  Eriogonum nudum var. nudum A. G. Vestal 1955-5-17 s.n. Siskiyou Scott Valley, 0.8 mile north of Etna on Route 3. (NAD83/WGS84). UTM Zone 10, 508463mE, 4590957mN. 899 Comment
  RSA78841  Eriogonum nudum var. oblongifolium P. A. Munz 1952-7-3 17919 Siskiyou Ft. Goff Public Camp, Klamath River 366 Comment
  HSC67836  Eriogonum nudum var. pubiflorum J. O. Sawyer, J. Cole 1980-7-22 3921 Siskiyou NW slopes of Cedar Mtn. 1524 Comment
  HSC17337  Eriogonum ovalifolium var. ovalifolium R. C. Wunner 1965-7-9 373 Siskiyou Lava Beds National Monument Upper Ice Cave 1555 Comment
  JEPS108713  Eriogonum siskiyouense Thomas W. Nelson and Jane P. Nelson 2006-8-4 9467 Siskiyou Scott Mountain S of junction of Forest Service Rds. 40N08 and 44N44 ca 1/2 mi E of junction of State Route 3 and Forest Service Rd. 40N08 E side of North-South running ridge. 1670 Comment
  CAS-BOT-BC262759  Eriogonum strictum var. anserinum Louis C. Wheeler 1935-6-29 3625 Siskiyou Yreka 807 Comment
  CAS-BOT-BC262765  Eriogonum strictum var. anserinum Wayne Roderick 1967-7-28 s.n. Siskiyou West side of Scott Valley, half way between Etna and Fort Jones 914 Comment
  CAS-BOT-BC263399  Eriogonum strictum var. proliferum John Thomas Howell 1937-7-29 13676 Siskiyou North slope of Scott Mts. 1676 Comment
  HSC61211  Eriogonum ternatum Al Hobart 1968-6-20 Siskiyou El Capitan 1829 Comment
  SD53393  Eriogonum ternatum D. F. Howe 1962-8-2 3384 Siskiyou Baldy Mt. 1431 Comment
  CAS-BOT-BC267954  Eriogonum umbellatum Elmer I. Applegate 1935-6-2 9271 Siskiyou Indian Well, Lava Beds National Monument Comment
  CAS-BOT-BC267956  Eriogonum umbellatum Maralyn A. Renner 1980-8-21 2603 Siskiyou Klamath National Forest. Southwest of trail from Leroy Mine to Sunrise Basin, near ridge 2286 Comment
  CAS-BOT-BC267984  Eriogonum umbellatum var. argus Edward Lee 1934-8-14 1103 Siskiyou Little Grayback, Siskiyou-Del Norte County line 1868 Comment
  CAS-BOT-BC267986  Eriogonum umbellatum var. argus L. E. Smith 1913-8-1 544 Siskiyou Mt. Eddy Comment
  CAS-BOT-BC267794  Eriogonum umbellatum var. ellipticum Louis C. Wheeler 1934-9-1 75541 Siskiyou Jaynes Canyon, Klamath National Forest 1950 Comment
  JEPS56212  Eriogonum umbellatum var. nevadense Geo. D. Butler 1908-8-5 204 Siskiyou Summit above Cold Spring; Marble Mt. region, Wooly Creek Comment
  SJSU6269  Eriogonum umbellatum var. nevadense R. W. Trivelpiece 1971-8-18 70 Siskiyou by Fourth of July Gulch, 2.5 mi N of Cecilville on S Fork Salmon R, Salmon River Mts 1371 Comment
  SBBG14884  Eriogonum umbellatum var. polyanthum A. I. Richardson 1961-6-8 17 Siskiyou near Big Springs Rd N of jct with Hwy 97 914 Comment
  CAS-BOT-BC262377  Eriogonum vimineum W. R. Dudley 1899-8-15 s.n. Siskiyou Toward Black Fox Mountains Comment
  POM116867  Eriophorum crinigerum Geo D. Butler 1910-7-9 1703 Siskiyou Log Lake, Shackleford Creek. 1220 Comment
  RSA238942  Eriophorum crinigerum Frederick W. Oettinger 1968-9-7 767 Siskiyou Just N of Tobacco Lake. Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1890 Comment
  CHSC86658  Eriophyllum lanatum Jenny Marr 1993-7-1 41 Siskiyou Butte Valley Wildlife Area, +/- 7 air miles NW of the town of MacDoel. Meadow NW of Meiss Lake. 1349 Comment
  JEPS34629  Eriophyllum lanatum var. achilleoides Duncan Dunning 1921-6-21 Siskiyou vicinity of Tennant Antelope Creek Comment
  UC1035411  Eriophyllum lanatum var. achilleoides David D. Keck 1953-7-31 6535 Siskiyou 3.5 mi s of Grass Lake (Deer Mountain Service Station) Comment
  CAS-BOT-BC301103  Eriophyllum lanatum var. achilleoides J. H. Thomas 1954-5-14 4182 Siskiyou Southwestern Siskiyou County. Salmon Mountains, Klamath National Forest. Near South Fork of Salmon River, 5 to 9 miles southeast of Cecilville between Lat. 41 deg. 03' and 41 deg. 06'N., and Long. 122 deg. 58' and 123 deg. 03' W. 1219 Comment
  POM30801  Eriophyllum lanatum var. achilleoides Geo. D. Butler 1910-5-23 1399 Siskiyou Humbug Mountain 1067 Comment
  HSC68416  Eriophyllum lanatum var. grandiflorum Maralyn A. Renner 1980-6-9 838 Siskiyou Ridge SE of FS Rd. 45N35 1341 Comment
  CAS-BOT-BC308285  Eriophyllum lanatum var. integrifolium John Thomas Howell 1939-8-2 14890 Siskiyou Spirit Lake, Marble Mts. 1828 Comment
  CHSC75673  Eriophyllum lanatum var. integrifolium Vernon H. Oswald; Lowell Ahart 1999-7-5 9820 Siskiyou Hwy. 3 on Scott Mtn. 5.9 mi southeast of Gazelle-Callahan Hwy., 0.6 mi northwest of the highway summit. 1569 Comment
  JEPS47724  Eriophyllum lanatum var. integrifolium W. B. and V. G. Cooke 1966-7-16 37211 Siskiyou road above Black Butte Station; Mt. Shasta 1219 Comment
  JEPS86095  Eriophyllum lanatum var. integrifolium Wayne Roderick 1966-6-26 Siskiyou along Copper Butte Trail (Cook and Green Pass); Cook and Green Pass Comment
  UC643287  Eriophyllum lanatum var. integrifolium unknown 1940-7-26 15368 Siskiyou in the lower part of Diller Canyon (in openings between chaparral and pine woods); Mount Shasta, Diller Canyon 1524 Comment
  CAS-BOT-BC301718  Eriophyllum lanatum var. lanceolatum Elmer I. Applegate 1923-8-18 3859 Siskiyou Redshale Mountain, east of Medicine Lake Comment
  CAS-BOT-BC301725  Eriophyllum lanatum var. lanceolatum Lewis S. Rose 1945-6-19 45145 Siskiyou Horse Creek & Klamath River 502 Comment
  HSC76891  Eriophyllum lanatum var. lanceolatum K. T. Stillman 1976-7-7 157 Siskiyou Marble Mtn. Wilderness Area 1982 Comment
  JEPS84050  Eriophyllum lanatum var. lanceolatum L. R. Heckard with J. Hickman et al. 1986-7-17 6479 Siskiyou along road above and w Lily Pad Lake (ca 5 mi n of town of Seiad Valley) Comment
  RSA12494  Eriophyllum lanatum var. lanceolatum C. B. Wolf 1934-7-4 5943 Siskiyou Horse Creek Road to Dry Lake Lookout, Siskiyou Mountains, 13.5 miles from Horse Creek Bridge on Klamath River 1524 Comment
  UC1565574  Eryngium mathiasiae Beth Corbin 1989-8-28 548 Siskiyou 0.5 mi. n Adobe Flat Reservoir (ca. 15 air miles n. of Fall River Mills) 1097 Comment
  CAS-BOT-BC54581  Erysimum capitatum L. B. Kildale 1930-6-1 9700 Siskiyou Salmon River at Crapo Creek. Comment
  SJSU6271  Erythranthe cardinalis R. W. Trivelpiece 1971-8-27 87 Siskiyou near Lake Mt Lookout c. 6.5 mi SE of town of Seiad Valley, Marble Mts 1828 Comment
  SD88545  Erythranthe guttata Darley F. Howe 1972-7-5 Siskiyou 0.6 miles south of Oregon state line on road to Happy Camp 1707 Comment
  SBBG25925  Erythranthe linearifolia D. Myrick 1966-8-12 1548 Siskiyou rd to Carter Ranch, Mountain Meadow Ranch, Big Flat 1615 Comment
  SEINET8264805  Erythranthe nasuta L. E. Detling 1948-5-20 6200 Siskiyou Klamath River near Rocky Bar Forest Camp. 457 Comment
  CDA39347  Erythronium californicum D. Osterhandt & D. H. Shaw 1978-3-31 s.n. Siskiyou Along road between Forks of Salmon and Somes Bar, southwestern part of county. 0 Comment
  CAS-BOT-BC133271  Erythronium citrinum Elmer I. Applegate 1932-4-16 7061 Siskiyou Klamath River opposite the mouth of Doggett Creek Comment
  POM109651  Erythronium citrinum var. citrinum Geo D. Butler 1910-4-24 1239 Siskiyou Quartz Valley Comment
  JEPS61854  Erythronium grandiflorum W. L. Jepson 1907-7-5 2826 Siskiyou Marble Mt. Comment
  CAS-BOT-BC502723  Erythronium grandiflorum V. Rattan 1879-6-1 s. n. Siskiyou NW California, Siskiyou Mts. Comment
  HSC67862  Eschscholzia californica J. P. Smith, Steve Selva 1970-6-16 4045 Siskiyou Etna 897 Comment
  CAS-BOT-BC516179  Eucephalus breweri Dana York; Jim Shevock 2011-9-8 3079 Siskiyou Marble Mountain Wilderness: Klamath National Forest, along Kelsey Creek Trail, ca 290 m E of Paradise Lake 1900 Comment
  HSC695  Eucephalus ledophyllus var. ledophyllus William J. Ferlatte 1967-8-23 1108 Siskiyou Head of Kidd Creek 2134 Comment
  HSC42938  Euonymus occidentalis J. O. Sawyer, Ken Stillman 1976-7-1 2772 Siskiyou Streamside terraces and lower slopes along the Little N Fork of the Salmon River. 732 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
  UC635626  Euonymus occidentalis var. occidentalis Dorothy Tebbe 1929-7-14 35 Siskiyou Salmon Mts. Comment
  UC163873  Euthamia occidentalis Geo. D. Butler 1908-9-25 500 Siskiyou near Montague; Shasta River Comment
  CAS-BOT-BC418830  Fallopia japonica var. japonica T. C. Fuller 1968-8-1 17452 Siskiyou Corner of Siskiyou Ave. & Interstate 5 freeway Comment
  HSC76703  Festuca idahoensis K. T. Stillman 1976-7-14 222 Siskiyou Marble Mtn. Wilderness Area, Kings Castle 2073 Comment
  RSA13873  Festuca idahoensis L. C. Wheeler 1934-6-10 2678 Siskiyou North Hungry Creek. Siskiyou Mountains. 1311 Comment
  CAS-BOT-BC453507  Fragaria Harley P. Chandler 1901-6-1 1569 Siskiyou Ridges and meadows near Marble Mountain; North Coast Ranges 1828 Comment
  UC166620  Fragaria vesca Geo. D. Butler 1908-6-27 496 Siskiyou Forest House Mountain Comment
  UC466547  Fragaria vesca Milo S. Baker Jun 1896 114 Siskiyou Sisson Comment
  CAS-BOT-BC53420  Frangula californica subsp. occidentalis A. A. Heller 1915-8-26 12245 Siskiyou Wagon creek at the foot of Mt. Eddy 1127 Comment
  SEINET7417474 Image available Frangula purshiana A. A. Heller 1915-1 12132 Siskiyou Metcalf's Ranch, NE base of Mount Eddy 1189 Comment
  JEPS88842  Galium arcuatum T. Howell 1886-1 137 Siskiyou Comment
  JEPS18602  Galium bifolium Rimo Bacigalupi with S. Galen Smith and Geo. Bacigalupi Jr. 1957-7-26 5948 Siskiyou s end Gumboot Lake 1859 Comment
  UC28187  Galium bifolium Harley P. Chandler June, 1901 1645 Siskiyou Marble Mountain North Coast Ranges 2438 Comment
  UCD77234  Galium bifolium Robert E. Preston 2001-6-30 1644 Siskiyou Klamath National Forest, north slope of Rainbow Mountain. 1722 Comment
  HSC78185  Galium bifolium L. P. Janeway 1983-7-17 418 Siskiyou Poker Flat, upper portion of meadow 1524 Comment
  JEPS6704  Galium bolanderi Geo. D. Butler 1909-7-15 946 Siskiyou Highland Mine Comment
  UC144572  Galium bolanderi A. A. Heller 1905-6-15 8034 Siskiyou near Sisson Comment
  JEPS26665  Galium bolanderi Lauramay T. Dempster 1961-7-2 1847 Siskiyou s Steelhead (near Sugar Pine Gulch); Scott River Comment
  JEPS124616 Image available Galium boreale B. Corwin 1964-7-1 1127 Siskiyou On west side of rte 89, 12.2 miles south of Fowler Public Camp turnoff. Comment
  RSA756845  Galium glabrescens Barbara Ertter 1990-7-14 9329 Siskiyou Wagon Creek on east side of Mt. Eddy, ca. 4 miles west of Mt. Shasta City Comment
  HSC104308  Galium glabrescens subsp. glabrescens Dana York 2012-7-21 3144 Siskiyou Rogue River-Siskiyou National Forests; Siskiyou Mountains, Red Buttes Wilderness, a few meters below summit of Red Butte 2043 Comment
  JEPS83623  Galium serpenticum subsp. scotticum Marla Knight 1987-7-16 942 Siskiyou Grouse Creek Mine Klamath National Forest, Scott River District, China Mtn. Qu (one half mi w of junction of FS Rds 40N03 and 40N40) 1127 Comment
  HSC67608  Galium triflorum J. P. Smith, Steve Selva 1970-7-16 4397 Siskiyou Blue Mtn. Comment
  SBBG25845  Galium triflorum D. Myrick 1966-8-10 1522 Siskiyou Salmon Crk Trail at Mountain Meadow Ranch, Big Flat 1676 Comment
  UC164468  Galium triflorum Geo. D. Butler 1002 Siskiyou near Yreka; Humbug Gulch Comment
  RSA238879  Galium triflorum Frederick W. Oettinger 1967-8-20 287 Siskiyou Just below Tom Taylor Cabin Spring. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2043 Comment
  JEPS66736  Garrya fremontii W. L. Jepson 1894-8-9 14157 Siskiyou Shasta Springs Comment
  UCD35434  Garrya fremontii Beecher Crampton 1956-8-21 3835 Siskiyou Canyon of the south fork of the Sacramento River. 1524 Comment
  UCR60654  Garrya fremontii Frederick W. Oettinger 1968-8-18 581 Siskiyou Salmon Mtns, HIgh Lake basin in the vicinity of English Peak, Marble Mtn Wilderness Area. NE side of Hancock Lake 1936 Comment
  CAS-BOT-BC56289  Gaultheria ovatifolia W. R. Dudley 1899-7-6 s.n. Siskiyou Bartlett trail to Prestons Peak Comment
  JEPS66597  Gaultheria ovatifolia W. L. Jepson 1907-7-10 2878 Siskiyou Klamath Range near Preston Peak (Kelsey Trail, w Siskiyou County); Klamath Range, Kelsey Trail Comment
  SEINET10453068  Gayophytum diffusum Mary Susan Taylor 1980-8-19 Taylor 3267 A Siskiyou T43N R2E se sec 23, Medicine Lake quad. Shasta-Trinity Natl Forest, in pumice, on Paint Pot Crater. With J. Prouty & E. Heinz. 1920 Comment
  HSC29480  Gayophytum diffusum subsp. parviflorum Frederick W. Oettinger 1969-8-12 1351 Siskiyou Salmon Mtns., above Willow Spring on English Lake Trail 1677 Comment
  JEPS27538  Gayophytum heterozygum Willis L. Jepson 1894-8-4 14436 Siskiyou Horse Camp Upper Sacramento, Mt. Shasta Comment
  UCD77734  Gayophytum humile Robert E. Preston 2002-6-20 1832 Siskiyou Klamath National Forest, Rainbow Mountain, W ridge, on E-facing slope 1911 Comment
  RSA392178  Gentiana calycosa M. B. Dunkle 1944-8-2 9304 Siskiyou Marble Mountains, Klamath National Forest. 2439 Comment
  CAS-BOT-BC217413  Gentiana plurisetosa Doris K. Kildale 1928-8-19 6508 Siskiyou English Lake, head of north fork of Salmon River 1828 Comment
  SEINET881860 Image available Gentiana plurisetosa S. K. Harris, C. C. Harris 1939-1 976 Siskiyou Half Moon Meadow, Marble Mt. Primitive Area. 1670 Comment
  CHSC661  Gentianella amarella subsp. acuta N. Jaekel 1939-7-29 Siskiyou Black Butte Meadow. 1158 Comment
  UC1212152  Gentianella amarella subsp. acuta Francia Chisaki and Helen K. Sharsmith 1959-8-19 4730 Siskiyou just w Scott Mountain grade summit (just beyond Trinity County line); Inner North Coast Ranges 1584 Comment
  UC204455  Geranium bicknellii A. A. Heller 1914-8-25 11715 Siskiyou near Deetz station 1158 Comment
  HSC223  Gilia capitata William J. Ferlatte 1966-8-17 403 Siskiyou NW side of Caribou Mtn. 1829 Comment
  RSA237953  Gilia capitata Frederick W. Oettinger 1968-9-3 675 Siskiyou Western bank of Horse Range Lake. Salmon Mtns. High Lake Basins in the vicinity of English Peak, Marble Mountain Wilderness Area. 1791 Comment
  CHSC96011  Gilia capitata subsp. capitata L. P. Janeway 2006-7-3 8763 Siskiyou Klamath Ranges. Salmon Mountains; along Music Creek Trailhead Road at upper crossing of Music Creek. 1716 Comment
  HSC49902  Gilia capitata subsp. capitata Maralyn O'Meara 1974-5-25 437 Siskiyou On Rd. 8, 2.4 mi. W of junction with Hwy. 3 1006 Comment
  RSA436245  Githopsis specularioides James Payne Smith 1973-5-5 6534 Siskiyou Scott Bar along the Scott River. Comment
  CAS-BOT-BC282717  Glyceria elata Wm. Bridge Cooke 1937-8-6 9209 Siskiyou Bear Springs, Mount Shasta 1524 Comment
  HSC22306  Glyceria elata J. O. Sawyer 1969-8-4 1792 Siskiyou Along C.C.C. road 1341 Comment
  HSC26894  Glyceria elata J. P. Smith, J. O. Sawyer 1971-9-17 4788 Siskiyou On trail up to Little Duck lake 1829 Comment
  HSC31076  Glyceria striata Frederick W. Oettinger 1969-9-4 1651 Siskiyou Salmon Mtns., Tobacco Lake. 1890 Comment
  RSA238374  Glyceria striata Frederick W. Oettinger, Robert F. Thorne 1969-8-8 1284 Siskiyou Sundew Bog in English Lake Basin. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1829 Comment
  RSA238998  Glyceria striata Frederick W. Oettinger 1969-8-16 1403 Siskiyou Wire Grass Meadow, English Lake Basin. Salmon Mountains. The High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1677 Comment
  RSA239002  Glyceria striata Frederick W. Oettinger, Robert F. Thorne 1969-8-5 1202 Siskiyou Willow Spring on trail from English Trail to Abbot's Upper Cabin. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1677 Comment
  JEPS34011  Gnaphalium palustre Willis L. Jepson Jul 24 1894-Aug 10 1894 14748 Siskiyou Sisson Upper Sacramento Region, Sisson Comment
  CAS-BOT-BC302675  Gnaphalium palustre W. B. C. 1941-8-8 16144 Siskiyou Along the Wagon Camp road above Howard, Mt. Shasta Comment
  RSA240048  Gnaphalium palustre Frederick W. Oettinger 1969-8-21 1479 Siskiyou Ethel Lake. The Salmon Mountains. The High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. Comment
  RSA237528  Gnaphalium thermale Frederick W. Oettinger 1969-8-19 1449 Siskiyou Ridge from Arrow Peak to King David Peak, English Lake Basin; High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1936 Comment
  CAS-BOT-BC314628  Grindelia hirsutula R. E. Frenkel 1964-10-2 869 Siskiyou On the south-west side of Everett Memorial Highway near Mount Shasta 1642 Comment
  UC897131  Grindelia hirsutula A. A. Heller 1917-9-7 12979 Siskiyou Shasta valley ten mi s Gazelle 914 Comment
  SEINET10615475 Image available Grindelia nana var. nana A. Arthur Heller 1917-9-7 Heller 12979 Siskiyou Shasta valley ten miles south of Gazelle in gravelly soil at the base of a hill. 914 Comment
  RSA190702  Gypsophila paniculata T. C. Fuller 1967-6-29 16038 Siskiyou 20 acres of disturbed ground, W of Medo-Bel Dairy, College Ave., SW part of Weed. Comment
  UCD98140  Gypsophila paniculata T. C. Fuller 1963-8-27 11160 Siskiyou n. limits of Macdoel. Comment
  UC206128  Hackelia californica Milo S. Baker Aug. 1893 Siskiyou Medicine Lake Comment
  UC1713303  Hackelia micrantha Milo S. Baker 1893-8-9 Siskiyou Medicine Lake Comment
  UCD77748  Hackelia micrantha Robert E. Preston 2001-6-23 1600 b Siskiyou Klamath National Forest, n-facing slope of Rainbow Mtn, T42N R1W nw 1/4 of nw 1/4 Section 23 2011 Comment
  RSA235927  Hackelia setosa J. L. Gentry Jr., David Vierig 1968-6-17 2062 Siskiyou Siskiyou County: Siskiyou Mtns, 20.9 miles N of Happy Camp) 2 miles from jct of HS Forest raods 196 & 1916B, onr road 1916. 1372 Comment
  SEINET12281175  Hackelia setosa J. P. Tracy 1951-1 19470 Siskiyou Near Oregon-California state line, on the Takilma-Happy Camp Road Comment
  CHSC71612  Hastingsia alba Vernon H. Oswald; Lowell Ahart 1998-8-3 9423 Siskiyou Kangaroo Lake Rd: (USFS 41N08) 3.9 mi southeast of Gazelle-Callahan Rd. at its intersection with USFS 41N10. 1554 Comment
  CAS-BOT-BC504622  Hastingsia alba R. C. Barneby; H. D. Ripley 1954-5-16 11507 Siskiyou Along Klamath R., 5 1/2 mi. upstream from Klamath River P. O. 548 Comment
  CAS-BOT-BC123565  Hazardia whitneyi var. discoidea John Thomas Howell 1939-8-9 15236 Siskiyou Marble Mts. South of Sky High Valley 1981 Comment
  CAS-BOT-BC306353  Helenium L. E. Smith 1913-6-29 435 Siskiyou Mt. Eddy Comment
  CDA6451  Helenium autumnale T. C. Fuller 1958-8-13 1234 -58 Siskiyou 10 miles south of Fort Jones, Scott Valley. 0 Comment
  SEINET11196739 Image available Helenium bigelovii I. L. Wiggins 1955-7-26 13510 Siskiyou Banks of S Fork of Salmon River, just above mouth of Blind Horse Creek 887 Comment
  SBBG8400  Helianthella californica C. B. Hardham 1961-7-3 8069 Siskiyou S of Calahan, Scott Mtns Comment
  CAS-BOT-BC305577  Helianthus bolanderi Geo. B. Grant 1902-9-14 5209 Siskiyou Dunsmuir Comment
  OBI55529  Helianthus bolanderi David J. Keil, Kathleen Keil 1992-7-21 23516 Siskiyou Klamath Natl Forest SE of Callahan on hwy 3, 2.1 mi NW of Scott Mtn summit Comment
  RSA44889  Helianthus bolanderi J. C. Roos 1948-9-2 3977 Siskiyou Fort Jones. 915 Comment
  UC133579  Heliotropium curassavicum A. A. Heller 1905-6-19 8064 Siskiyou Grenada Comment
  CAS-BOT-BC313450  Hemizonella minima Louis C. Wheeler 1934-6-1 2601 Siskiyou Dry Lake Lookout, Siskiyou Mts. 2057 Comment
  RSA11163  Hemizonia fitchii C. B. Wolf 1927-8-26 1003 Siskiyou Klamath River, 5 miles below Hornbrook. Comment
  UCD20354  Hesperochiron pumilus Jodi Notah 2002-5-30 s.n. Siskiyou Siskiyou county, 2 miles south of Grenada, just west of Interstate 5. Comment
  POM8868  Hesperolinon micranthum E. B. Copeland 1903-7-3 3561 Siskiyou Klamathon. Comment
  CDA17142  Heterotheca oregona G. F. Hrusa 2001-6-6 15856 Siskiyou Siskiyou Mountains; Along Hwy 96 at Scott R. Bridge. 426 Comment
  CAS-BOT-BC420703  Heuchera merriamii John Thomas Howell 1937-7-24 13400 Siskiyou Caribou Basin, Salmon-Trinity Alps 2286 Comment
  SFV8670  Heuchera merriamii J. M. Tucker 1963-8-19 3773 Siskiyou Klamath Mountains Marble Mountain Wilderness Area. Headwaters of Canyon Creek at the east base of Marble Mountain. 1951 Comment
  UC609371  Heuchera merriamii Eleanor Burks 1938-8-21 918 Siskiyou Upper Wright Lake 2225 Comment
  HSC61969  Heuchera merriamii Al Hobart 5 Aug [year missing] Siskiyou Preston Peak Comment
  HSC61971  Heuchera merriamii Al Hobart 6 Aug [year missing] Siskiyou Preston Pk. 1982 Comment
  RSA0063195  Heuchera merriamii G. D. Barbe 1955-8-5 367 Siskiyou Growing along the trail to Caribou Lake. Salmon Mtns. 2409 Comment
  UC1333337  Heuchera merriamii Dorothy Parker 1949-8-3 353 Siskiyou above Paradise Lake; Siskiyou Moauntains, Salmon Mt 1981 Comment
  UC1141003  Heuchera rubescens C. L. Hitchcock, J. S. Martin 1939-7-7 5285 Siskiyou Sanger Peak 1780 Comment
  HSC73226  Hieracium albiflorum Gail Newton 1980-6-20 513 Siskiyou Near Bald Mtn. 1097 Comment
  RSA264991  Hieracium albiflorum G. L. Clifton 1975-7-28 5723 Siskiyou Near Cook and Green Pass near the Seiad Valley 1646 Comment
  UC1408927  Hieracium albiflorum Frederick W. Oettinger 1969-9-4 1641 Siskiyou Hancock Lake, NW side Salmon Mountains, Marble Mountains Wilderness Area (vicinity of English Peak) 1950 Comment
  CDA7968  Hieracium bolanderi J. R. Grisham 1960-7-11 4659 Siskiyou Hambone Wells No. 1, Toad Lake. 0 Comment
  RSA183492  Hieracium gracile J. M. Tucker, L. K. Mann 1963-8-19 3783 Siskiyou Headwaters of Canyon Creek, Marble Mountain Wilderness Area. 1921 Comment
  RSA237531  Hieracium gracile Frederick W. Oettinger, R. F. Thorne 1969-8-4 1163 Siskiyou Diamond Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1829 Comment
  UC92059  Hieracium greenei T. S. Brandegee Siskiyou Mount Shasta Comment
  HSC101868  Hieracium horridum R. D. Whittlesey 2013-6-5 6 Siskiyou Near Castella: 3.1 mi. north from State Park entrance up Castle Dome Trail. 1646 Comment
  CAS-BOT-BC316014  Hieracium nudicaule Alice Eastwood 1912-7-15 1083 Siskiyou McCloud Comment
  CAS-BOT-BC316016  Hieracium nudicaule Ira L. Wiggins 1955-7-27 13522 Siskiyou Caribou Lake, Salmon-Trinity Alps Primitive Area 2042 Comment
  UC618673  Hieracium nudicaule unknown 1938-7-29 11407 Siskiyou below Wagon Camp; Mount Shasta 1676 Comment
  UC130565  Hieracium nudicaule H. M. Hall 8677 Siskiyou Salmon River Salmon Mountains, Salmon river 1584 Comment
  CAS-BOT-BC312999  Hieracium triste G. J. Muth 1969-8-8 1291 Siskiyou Gap Meadow, Boulder Peak Ridge 2286 Comment
  CAS-BOT-BC320101  Hieracium triste Gilbert Muth 1965-8-11 s.n. Siskiyou Marble Valley Comment
  HSC29126  Hieracium triste Frederick W. Oettinger 1968-8-8 448 Siskiyou High Lake Basins near English Peak; Marble Mtn. Wilderness Area: Ridge above Upper English Lake near trail to English Peak 2165 Comment
  RSA237612  Holodiscus discolor Frederick W. Oettinger 1968-9-8 787 Siskiyou Cliffs south of English Lake. Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1784 Comment
  CAS-BOT-BC152364  Holodiscus discolor var. discolor Gilbert Muth 1969-8-6 1254 Siskiyou Boulder Peak Ridge 2468 Comment
  CAS-BOT-BC152366  Holodiscus discolor var. discolor L. R. Short 1933-6-16 39 Siskiyou Klamath River 609 Comment
  SBBG21848  Holodiscus discolor var. glabrescens D. Myrick 1964-7-25 962 Siskiyou above Ski Bowl Lodge on Mt Shasta 2407 Comment
  HSC18679  Holodiscus microphyllus var. glabrescens R. C. Wunner 1965-6-22 272 Siskiyou Lava Beds National Monument, Devils Homestead Lava Flow where road crosses 1296 Comment
  JEPS95091  Holodiscus microphyllus var. glabrescens Vernon Oswald and Lowell Ahart 1997-7-28 8773 Siskiyou 16 mi s of Medicine Lake (Forest Route 49 (Powder Hill Road) at 41N03 to Porcupine Butte); Forest Route 49 1365 Comment
  RSA11809  Holodiscus microphyllus var. glabrescens Elmer I. Applegate 1923-8-18 3852 Siskiyou Hoffman Mtn, Medicine Lake Comment
  SEINET515852  Holodiscus microphyllus var. glabrescens Vernon Oswald 1997-7-28 8773 Siskiyou Forest Route 49 (Powder Hill Rd.) at 41N03 (to Porcupine Butte), 16 mi. S of Medicine Lake. 1366 Comment
  SFV1210  Holosteum umbellatum D. Parker 1956-4-23 150 Siskiyou Scott Valley, Hartstrand Gulch. 1067 Comment
  POM352444  Hordeum brachyantherum M. B. Dunkle 1945-7-24 9266 Siskiyou Klamath National Forest. Marble Mtns. Comment
  UCD85470  Hordeum brachyantherum R. Tofsrud 1948-8-1 s.n. Siskiyou Poker Flat, north of Happy Camp. Comment
  CAS-BOT-BC143957  Horkelia daucifolia L. B. Kildale 1930-6-1 9725 Siskiyou Salmon River between Oak Bottom & Somes Bar Comment
  CDA16163  Horkelia daucifolia G. F. Hrusa 1998-5-25 14471 Siskiyou Klamath Ranges; At +- Pioneer (1-2 mi N on Frontage Rd. of I-5), +-10 mi S of Weed, near Mt. Shasta city. 1066 Comment
  JEPS44170  Horkelia daucifolia Geo. D. Butler 1909-5-8 713 Siskiyou Shasta Valley Comment
  CDA25947  Horkelia daucifolia T. C. Fuller 1962-5-18 8747 a Siskiyou West side of Shasta Valley, Giebner property, 2 miles south of Yreka. 0 Comment
  CAS-BOT-BC514281  Horkelia fusca var. pseudocapitata Wm. Bridge Cooke; V. G. Cooke 1970-7-22 42689 Siskiyou Andesite road, 0.5 mi above US-97, Mt. Shasta. 1371 Comment
  CAS-BOT-BC538245  Horkelia tridentata var. flavescens Doris K. Kildale 1929-5-11 7743 Siskiyou Cecilville, Upper South Fork of Salmon River Comment
  CAS-BOT-BC539433  Horkelia tridentata var. tridentata Alice Eastwood 1912-7-15 1062 Siskiyou McCloud Comment
  CAS-BOT-BC201134  Hosackia crassifolia Wm. Bridge Cooke 1940-7-26 15360 Siskiyou Around the Black Butte Spring Comment
  CAS-BOT-BC201136  Hosackia crassifolia Wm. Bridge Cooke 1940-6-7 15090 Siskiyou Along the Pacific Highway between Black Butte and Mount Shasta City Comment
  UCD106128  Hosackia oblongifolia A. A. Heller 1915-7-15 12101 Siskiyou Mt. Eddy. Comment
  HSC22222  Hosackia oblongifolia var. oblongifolia J. O. Sawyer 1969-6-11 830 Siskiyou Lower slope near C.C.C. road on the N fork of Horse Range Creek 1357 Comment
  HSC71654  Hosackia oblongifolia var. oblongifolia J. P. Smith, Steve Selva 1970-6-15 3981 Siskiyou 1 mi. W of junction of Hwy. 3 and Rd. 8 leading to Sugar Creek 1159 Comment
  JEPS1649  Hydrophyllum occidentale Geo. D. Butler 1909-4-25 691 Siskiyou Quartz Valley; w Siskiyou County Comment
  JEPS82678  Hydrophyllum occidentale Wayne Roderick 1984-6-5 Siskiyou ca 12 air km sw Mt. Shasta City; Castle Lake 1828 Comment
  UC666569  Hydrophyllum occidentale A. A. Beetle with G. L. Stebbins Jr. 1942-6-1 3418 Siskiyou 5 mi w Gazelle (canyon n of Willow Creek) Comment
  CAS-BOT-BC312847  Hymenoxys lemmonii Alice Eastwood; John Thomas Howell 1936-6-13 2751 Siskiyou 6 miles n. of Weed Comment
  CAS-BOT-BC312850  Hymenoxys lemmonii A. A. Heller 1918-7-25 13083 Siskiyou Shasta Valley between Cazelle and Edgwood [Edgewood] Comment
  HSC68015  Hypericum scouleri J. P. Smith, Steve Selva 1970-7-18 4495 Siskiyou Hanging bog at Kangaroo Lake. 1890 Comment
  CHSC1031  Iliamna bakeri V. Holt 1932-7-17 Siskiyou Mt. Shasta Flats. 1158 Comment
  UC106647  Ipomopsis aggregata A. Eastwood 1893-8-10 Siskiyou Mt. Shasta Comment
  RSA101648  Ipomopsis aggregata subsp. formosissima T. Macbride 1894-08 s.n. Siskiyou Mt. Shasta, California Comment
  RSA237944  Ipomopsis aggregata subsp. formosissima Frederick W. Oettinger 1967-7-26 198 Siskiyou Northeastern end of Crapo Peak ridge. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2195 Comment
  JEPS52326  Iris chrysophylla Wayne Roderick 1963-6-10 Siskiyou ca. 10 mi. e. McCloud Comment
  SEINET4170699  Iris hartwegii C. L. Hitchcock, J. S. Martin 1939-7-7 5270 Siskiyou Sanger Peak Trail , ca. 13 miles south of Takilma , Oregon 1067 Comment
  UC909355  Iris missouriensis Ira L. Wiggins 1950-5-27 12357 Siskiyou Callahan Ranger Station Callahan, Scott River (banks of e fork of Scott River) 975 Comment
  SBBG15965  Iris purdyi D. Myrick 1961-6-21 307 Siskiyou Deer Camp Rd above Oak Knoll Ranger Station, Klamath River, 19 mi W of Hwy 99 1371 Comment
  RSA136340  Iris tenuissima Lee W. Lenz 1953-5-13 18297 Siskiyou 9 miles north of Siskiyou County line, road to Happy Camp Comment
  HSC100274  Isatis tinctoria J. P. Smith, , J. O. Sawyer, & R. J. Cole 2010-8-7 13069 Siskiyou Klamath National Forest, road to Crater Lake off Forest Service Road 40N24. 2005 Comment
  JEPS13903  Isatis tinctoria W. L. Kleaver 1915-5-20 Siskiyou Yreka, Scott Valley Scott Valley; Yreka, Scott Valley Comment
  SD76157  Isatis tinctoria Helen V. Witham 1969-10-7 587 Siskiyou Naturalized along Scott River at bridge to Indian Scotty Campground. 700 Comment
  SEINET6373100  Isatis tinctoria Barbara L. Wilson, Richard E. Brainerd 2010-1 16199 Siskiyou closed road near south edge of Black Butte, north of the dump. Comment
  UC1586879  Isatis tinctoria Juha Pykala and D. H. Norris 1987-4-26 2052 Siskiyou 0-3 km below Bear Lake (above Bear Creek, Marble Mountain Wilderness Area); Marble Mountain Wilderness Area Comment
  CAS-BOT-BC88651  Isatis tinctoria Gilbert Muth 1960-7-5 349 Siskiyou Lover Camp. 1249 Comment
  CDA36757  Isatis tinctoria D. B. Joley 1976-6-24 4 Siskiyou Lake Siskiyou. 0 Comment
  CDA3761  Isatis tinctoria T. C. Fuller 1958-6-18 2902 Siskiyou 3 miles west of Thompson Creek, 13 miles east of Happy Camp. 0 Comment
  HSC36871  Isatis tinctoria J. P. Smith 1974-5-26 7528 Siskiyou On Hwy. 3, 0.5 mi. NE of Fort Jones 854 Comment
  OBI55481  Isatis tinctoria David J. Keil, Kathleen Keil 1992-7-21 23526 Siskiyou Klamath Natl Forest SE of Callahan. Forest Rd 40N08, 0.5 mi W of Scott Mtn rd (hwy 3) Comment
  SEINET13762151 Image available Isatis tinctoria T. C. Fuller unknown s.n. Siskiyou Scott Valley Comment
  UC1408843  Isoetes echinospora Frederick W. Oettinger 1968-8-5 708 Siskiyou boreal meadow above Diamond Lake; Salmon Mts, High Lake Basins, English Peak vicinity, Marble 2072 Comment
  HSC28735  Isoetes echinospora Frederick W. Oettinger 1968-8-5 708 Siskiyou Marble Mtn. Wilderness Area, above Diamond Lake 2073 Comment
  JEPS93950  Iva axillaris subsp. robustior Vernon H. Oswald and Lowell Ahart 1998-9-16 9631 Siskiyou 5 mi n of Macdoel (Butte Valley National Grassland near junction of Meiss Lake-Sams Neck Road and Hwy 97); Butte Valley National Grassland 1295 Comment
  POM56240  Iva axillaris subsp. robustior Geo D. Butler 1910-9-12 1874 Siskiyou Near Lower Klamath Lake. 1220 Comment
  JEPS121621  Juncus balticus Jennifer Buck, Deborah Stout 2011-8-24 Siskiyou Middle Fork Sacramento River headwaters, east slope of the Eddys, near Toad Lake. Gently sloping open meadow within lodgepole pine forest on ultramafic soil. W aspect. Mount Eddy quadrangle. TL01A Comment
  POM312831  Juncus balticus subsp. ater Malcolm A. Nobs, Calvin McMillan 1949-6-17 805 Siskiyou Grass Lake, Highway 97. Comment
  JEPS107851  Juncus balticus var. balticus Lowell Ahart, John Dittes 2005-6-9 12043 Siskiyou Meadow area along a small drainage, on the west side of a poor rock fence, about 280 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
  HSC30685  Juncus confusus Frederick W. Oettinger 1969-8-24 1526 Siskiyou Between English Lake main camp and 'Sundew Bog' W of camp 1799 Comment
  HSC76689  Juncus drummondii K. T. Stillman 1976-7-30 313 Siskiyou Marble Mountain Wilderness Area, trail from Big Rock Camp to Jump off. 1982 Comment
  RSA233688  Juncus drummondii Robert F. Thorne, Frederick W. Oettinger 1969-8-10 38953 Siskiyou Mt. Shasta National Forest: S slope of Mt. Shasta, Panther Creek Meadows 2195 Comment
  RSA238901  Juncus drummondii Frederick W. Oettinger 1968-8-2 360 Siskiyou East shore of Diamond Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2073 Comment
  CAS-BOT-BC110121  Juncus dudleyi Edward Lee 1934-8-11 1025 Siskiyou Walker Creek, a tributary of the Klamath River (east end of Seiad Valley). 457 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
  JEPS109262  Juncus howellii D. W. Taylor 2002-8-7 18297 Siskiyou Trinity Mountains; logging road below Tamarack Lake, E Fork Trinity River, seepage area ca 300 m S of area shown on topographic maps as 499IT, 0.2 mi N of the creek crossing. Comment
  CHSC70199  Juncus mertensianus Jennifer Whipple 1976-7-2 1247 Siskiyou Mount Eddy, Klamath Mountains. Near Durney Lake. Along stream draining Durney Lake. 2133 Comment
  JEPS5819  Juncus nevadensis W. L. Jepson 1940-7-3 20114 Siskiyou 5 mi se Bartle; Big Bear Flat 1219 Comment
  HSC71132  Juncus nevadensis var. nevadensis Thomas W. Nelson, Jane Nelson, J. P. Smith 1978-7-24 4496 Siskiyou Along W side of Hwy. 3 just N of Scott Mtn. Summit 1616 Comment
  CHSC40152  Juncus occidentalis L. P. Janeway 1983-7-11 411 Siskiyou Along edge of dirt rd ca 350 m n of West Branch Guard Sta. 670 Comment
  HSC39812  Juncus orthophyllus J. O. Sawyer 1969-8-4 1838 Siskiyou Above Sugar Lake 2134 Comment
  HSC69159  Juncus orthophyllus Maralyn A. Renner 1980-8-4 2209 Siskiyou Flint Valley 1390 Comment
  HSC19247  Juncus parryi J. O. Sawyer 1969-8-1 1686 Siskiyou SE facing slope above Duck Lake Creek 1951 Comment
  RSA233671  Juncus parryi Robert F. Thorne, Frederick W. Oettinger 1969-8-10 38978 Siskiyou Mt. Shasta National Forest; S slope of Mt. Shasta. 2317 Comment
  UC637098  Juncus tenuis Edward Lee 1934-8-11 1028 Siskiyou e end Seiad Valley (Walker Creek canyon, a tributary of Klamath River); Klamath River, Walker Creek 609 Comment
  JEPS57169  Juniperus communis L. R. Heckard 1967-8-13 1707 Siskiyou Mt. Eddy 2743 Comment
  JEPS84290  Juniperus communis L. R. Heckard with J. Hickman et al. 1986-7-17 6543 Siskiyou se of Condrey Mt. (road end area and camp overlooking s end of Alex Hole); Alex Hole 1980 Comment
  HSC69525  Juniperus communis var. jackii Maralyn A. Renner 1980-6-26 1283 Siskiyou Klamath National Forest, ridge along FS Rd. 15N01, 1 mi. N of Flint Valley. 1494 Comment
  CAS-BOT-BC81240  Juniperus occidentalis Elmer I. Applegate 1907-9-1 3307 Siskiyou Thrall, Shasta Valley, near Klamath River Comment
  HSC45854  Juniperus occidentalis J. P. Smith, Steve Selva 1970-8-8 4550 Siskiyou Juanita Lake Comment
  SD112325  Juniperus occidentalis Darley F. Howe 1961-8-3 3129 Siskiyou 56.5 miles east of Happy Camp, north of Klamath River 609 Comment
  LA41201  Kalmia polifolia Wm. Bridge Cooke; 1938-9-8 11668 Siskiyou Mount Shasta, upper Heather Meadows along Squaw Valley Creek 2438 Comment
  CAS-BOT-BC246185  Keckiella lemmonii David D. Keck 1927-8-17 1265 Siskiyou West flank of Mt. Shasta, 4 1/2 miles from Mt. Shasta City on Horse Camp Trail 1828 Comment
  UC457143  Keckiella lemmonii David D. Keck 1927-8-17 1265 Siskiyou 4.5 mi from Mt. Shasta City (on Horse Camp trail, w flank of Mt Shasta); Mt. Shasta 1828 Comment
  SEINET10703681  Kelloggia galioides Karen M. Meyer, Andrew Townesmith 2007-7-29 Meyer 171 Siskiyou Shasta-Trinity National Forest. 0.3 mi. on 40N25 Rd., off Siskiyou County Rd., A10/Everitt Memorial Hwy. 1805 Comment
  UC625520  Kelloggia galioides Frank W. Gould 1938-6-27 477 Siskiyou 3 mi n Mt. Shasta (town) (near the highway) 1082 Comment
  UC889318  Kelloggia galioides A. A. Heller 1916-6-23 12432 Siskiyou near Black Butte (n of Sisson) 1127 Comment
  UCD121988  Kelloggia galioides J. M. Tucker 1950-7-24 1948 Siskiyou Highway 89, 7.5 miles east of McCloud. Comment
  CAS-BOT-BC499660  Kopsiopsis strobilacea Ira L. Wiggins 1955-7-23 13479 Siskiyou Ridge W of China Creek 1066 Comment
  JEPS40203  Kyhosia bolanderi Geo. D. Butler 1908-8-4 299 Siskiyou head Shackelford Creek 1676 Comment
  CAS-BOT-BC340373  Kyhosia bolanderi C. G. Pringle 1882-9-7 s.n. Siskiyou About Mt. Shasta Comment
  HSC41075  Kyhosia bolanderi J. O. Sawyer 1969-9-11 2017 Siskiyou Behind Sugar Lake 2073 Comment
  CAS-BOT-BC341691  Lagophylla ramosissima A. A. Heller 1919-6-27 13279 Siskiyou Metcalf's ranch, northeast base of Mt. Eddy 1158 Comment
  CDA8088  Lagophylla ramosissima T. C. Fuller 1965-6-1 13589 Siskiyou West side of Highway 99 to Grenada, 4 miles south of Yreka. 0 Comment
  OBI55437  Lagophylla ramosissima David J. Keil 1992-7-20 23496 Siskiyou Klamath NF, W of Fort Jones. Along Forest Rd 44N45, 4.4 mi S of Scott river rd Comment
  SEINET5327266  Lathyrus japonicus G. Butler 1910-7-6 1644 Siskiyou Shackleford Creek 914 Comment
  RSA0069323  Lathyrus nevadensis subsp. nevadensis Dean Wm. Taylor, Tom Engstrom 2005-7-12 19384 Siskiyou Antelope Creek; along unnamed tributary that drains from Rainbow Mountain, just upstream from the crossing of Forest Road 42N16. 1697 Comment
  UC375398  Lathyrus nevadensis var. nevadensis Geo. D. Butler 1908-8-10 398 Siskiyou Shackleford Creek Comment
  UCSB16533  Lathyrus polyphyllus Breedlove, Dennis 1962-6-10 Siskiyou Along Indian Creek Road, 16.7 miles northwest of Happy Camp; Siskiyou Mountains 1127 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
  HSC2191  Leersia oryzoides L. C. Wheeler 1934-9-16 3270 Siskiyou Walker, Klamath River. 518 Comment
  RSA715934  Lemna minuta Lowell Ahart, John Dittes 2005-6-10 12110 Siskiyou At the pump house along the Shasta River, about 1.9 miles (air) S of Hwy 99/97 Cutoff, about 6 miles (air) ESE of Granada. 777 Comment
  UC163723  Lemna turionifera Geo. D. Butler 1908-7-4 1090 Siskiyou Shasta River Comment
  CAS-BOT-BC88859  Lepidium campestre R. E. Frenkel 1964-7-13 669 Siskiyou Just north of Everitt Memorial Highway at the sign marking Alice M. Zender Memorial Grove. 1371 Comment
  NY76370  Lepidium montanum var. montanum A. Wood 1866-1 984 Siskiyou Shasta Plains, North of Mt. Shasta, 25 m from Yreka Comment
  CHSC524  Lepidium perfoliatum G. Spurlock 1935-6-1 Siskiyou Comment
  UCD77251  Leptosiphon ciliatus Robert E. Preston 2002-6-20 1848 Siskiyou Klamath National Forest, Rainbow Mountain, W ridge, on E-facing slope 1968 Comment
  RSA164303  Leptosiphon ciliatus Clare B. Hardham 1961-6-30 8013 Siskiyou Near White Mt. 1829 Comment
  HSC36772  Leptosiphon harknessii J. P. Smith 1974-5-25 7416 Siskiyou Along Rd. 8, 0.9 mi. from its junction with Hwy. 3 976 Comment
  HSC45991  Leptosiphon harknessii J. P. Smith, Steve Selva 1970-6-16 4020 Siskiyou 4 mi. from Hwy. 3 on Rd. 8 to Sugar Creek 1159 Comment
  RSA529966  Leptosiphon harknessii D. W. Taylor 1987-6-23 9050 Siskiyou Modoc Plateau: Mud Well 1394 Comment
  UCSB2974  Leptosiphon nuttallii subsp. nuttallii Hardham, Clare 1965-8-20 Siskiyou Near the Cudahy Lakes; on the Granite Trail; Marble Mountains 1524 Comment
  CDA40062  Leptosiphon rattanii G. D. Barbe, J. T. Howell, T. C. Fuller 1980-4-29 2631 Siskiyou 16 km south of Fort Jones on Scott Valley East Side Road. Comment
  UC195376  Lessingia nemaclada A. A. Heller 1916-7-23 12494 Siskiyou at Dunsmuir Dunsmuir 640 Comment
  UC61686  Lessingia nemaclada Geo. B. Grant September 1902 5213 Siskiyou Dunsmuir Mt. Shasta 609 Comment
  CAS-BOT-BC342100  Leucanthemum vulgare Dorothy Parker 1946-7-29 s.n. Siskiyou Plowman's Valley 1188 Comment
  CAS-BOT-BC508375  Leucocrinum montanum Elmer I. Applegate 1935-6-6 9362 Siskiyou Crater of Caldwell Butte, Lava Beds National Monument Comment
  CAS-BOT-BC58259  Leucothoe davisiae W. R. Dudley 1901-8-18 s.n. Siskiyou E. along shore of Jackson Lake, Salmon Mts. Comment
  RSA211269  Lewisia cotyledon William J. Ferlatte 1966-7-7 207 Siskiyou Caribou Basin. 1982 Comment
  RSA237461  Lewisia cotyledon Frederick W. Oettinger 1968-8-23 606 Siskiyou Ridge below English Lake overlook by English Peak meadow trail Y going to Hancock Lake, Crapo Peak and Tom Taylor Cabin. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2165 Comment
  SEINET5336464  Lewisia cotyledon W. Roderick 1967-7-24 s.n. Siskiyou N of Seiad Valley. 1676 Comment
  UC852030  Lewisia cotyledon var. cotyledon John Thomas Howell 1939-8-3 14954 Siskiyou Spirit Lake Marble Mts., Spirit Lake Comment
  UC1190112  Lewisia leeana Ira L. Wiggins 1955-7-29 13569 Siskiyou Caribou Lake, pass at sw end Salmon-Trinity Alps Primitive Area 2072 Comment
  HSC22475  Lewisia leeana J. O. Sawyer 1969-7-1 979 Siskiyou SE facing slope above Paynes Lake Creek 1921 Comment
  HSC44986  Lewisia leeana J. O. Sawyer 1978-6-21 3291 Siskiyou Marble Mtn. Wilderness area, ridge above Crapo Meadow 2012 Comment
  HSC99206  Lewisia leeana J. O. Sawyer 1969-7-2 1033 Siskiyou NE facing slope near summit above Lipstick Lake 2226 Comment
  RSA237452  Lewisia leeana Frederick W. Oettinger 1968-8-4 391 Siskiyou SE slope at the gap where the English Peak-Hancock Lake trail crosses the Crapo Peak ridge. Salmon Mtns. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2195 Comment
  SD211682  Lewisia leeana Barbara Ertter 1990-7-16 9372 Siskiyou North side of ridge west of Parks Creek trailhead (Pacific Crest Trail crossing of Rt. 17); ca. 8.0 airmiles southwest of Weed. 2194 Comment
  RSA13855  Leymus cinereus L. C. Wheeler 1934-9-22 3292 Siskiyou Walker, Klamath River; Siskiyou Mts. 518 Comment
  UCD65623  Leymus triticoides Geo. D. Butler 1909-6-19 838 Siskiyou Low land near Yreka. Comment
  JEPS24032  Ligusticum grayi Rimo Bacigalupi with Drs. Reino and Aloha Alava 1958-9-3 6896 Siskiyou Siskiyou Mts., Poker Flat 1536 Comment
  UC875079  Ligusticum grayi A. A. Heller 1915-8-26 12237 Siskiyou Mt. Eddy 1828 Comment
  UC572969  Lilaeopsis occidentalis Louis C. Wheeler 1935-7-3 3645 Siskiyou 2 mi. n.w. Montague; Shasta R. 762 Comment
  RSA377128  Lilium M. B. Dunkle 1944-7-12 9085 Siskiyou Siskiyou National Forest Comment
  HSC58944  Lilium kelleyanum Marvin Butler 1971-7-19 148 Siskiyou Near El Capitan 1524 Comment
  JEPS66424  Lilium kelleyanum L. R. Heckard and P. Rubtzoff 1971-8-1 2686 Siskiyou 4 mi below summit of Mt. Eddy ridge (road from Stewarts Springs to The Eddys) 1584 Comment
  CAS-BOT-BC509381  Lilium kelleyanum Alice Eastwood 1923-5-1 s.n. Siskiyou Shasta Springs Comment
  RSA518681  Lilium kelleyanum L. R. Heckard, P. Rubtzoff 1971-8-1 2686 Siskiyou Road from Stewarts Springs to The Eddys, 4 miles below the summit of Mt. Eddy ridge 1585 Comment
  UC1034603  Lilium pardalinum Douglas Barbe 1955-6-29 47 Siskiyou 1.8 mi e Callahan (s bank of Scott River); Klamath Mountains, Scott River 975 Comment
  RSA126270  Lilium pardalinum I. L. Wiggins 1955-7-21 13425 Siskiyou Near Mt. View Ranch 7 miles above Cecilville on S Fork of Salmon River 976 Comment
  JEPS96802  Lilium pardalinum subsp. shastense Dean W. Taylor 1999-8-12 17305 Siskiyou Mill Creek headwaters, Marble Mountains (ca. 4 miles W of Mugginsville, Quartz Valley), creek crossing on logging road 1341 Comment
  HSC77934  Lilium pardalinum subsp. wigginsii D. K. Imper 1982-7-22 1501 Siskiyou Near Flint Valley 1402 Comment
  JEPS104990  Limosella aquatica Dean W. Taylor 1996-7-27 15862 Siskiyou Grass Lake (about 15 air miles northeast of Weed); Klamath National Forest 1524 Comment
  CHSC71491  Linanthus pungens Vernon H. Oswald; Lowell Ahart 1998-7-21 9318 Siskiyou Shasta NF plantation on the west side of Hwy. 97 2.2 mi northeast of Lake Shastina-Big Springs Rd. northeast of Weed. 975 Comment
  RSA73296  Linanthus pungens subsp. hookeri F. W. Peirson 1923-7-19 3809 Siskiyou Road crossing over Whitney Creek, foot of Mt. Shasta Comment
  HSC4865  Linnaea borealis subsp. longiflora J. O. Sawyer 1968-7-10 492 Siskiyou Lower slopes grading to terrace of a temporary stream. 1768 Comment
  HSC69325  Linnaea borealis subsp. longiflora John Palmer 1980-8-12 733 Siskiyou Road to Bearground Spring from Beaver Creek Rd. 1341 Comment
  CHSC191  Linnaea borealis var. longiflora V. Holt 1932-6-29 Siskiyou Castle Lake Comment
  UC1333333  Linnaea borealis var. longiflora Dorothy Parker 1949-8-12 363 Siskiyou along banks Duck Lake Creek (Salmon Mountain); Siskiyou Mountains, , Duck Lake Creek banks 1524 Comment
  UC1408888  Linnaea borealis var. longiflora F. W. Oettinger 1969-8-9 1319 Siskiyou at stream crossing North Fork River enroute up to Abbott's Upper Cabin (Salmon Mountains, western Siskiyou County); Salmon Mountains, North Fork River 1356 Comment
  JEPS82489  Linum lewisii Gilbert Muth 1965-8-6 186 Siskiyou Marble Mountain Wilderness Area, backside trail of Black Mt. Black Mt.; Marble Mountain Wilderness Area, Black Mt. 1981 Comment
  UC922413  Linum lewisii Annie M. Alexander and Louise Kellogg 1949-7-29 5889 Siskiyou above Sky High Lake (Marble Mountains, Sky High Valley); Marble Mountains, Sky High Valley 1767 Comment
  HSC99615  Linum lewisii Jennifer Whipple 1976-6-19 1066 Siskiyou N-facing slopes in the Eddy Creek drainage 2195 Comment
  HSC476  Listera convallarioides William J. Ferlatte 1967-7-25 724 Siskiyou Caribou Basin 1982 Comment
  CDA30933  Lithocarpus densiflorus var. densiflorus M. Beyers, G. F. Hrusa 2010-8-18 691 Siskiyou Siskiyou Mountains, Klamath Ranges: O'Brien-Happy Camp Road; 1 mile above road to Kelly Lake, +/- 2 miles above West Branch Campground. 807 Comment
  RSA96944  Lithocarpus densiflorus var. echinoides Percy C. Everett, E. K. Balls 1954-10-10 20262 Siskiyou Road to Castle Lake from town of Mt. Shasta, 0.5 mi. s. of jct. to Ney Springs. 1128 Comment
  CDA25412  Lithophragma affine G. D. Barbe, J. T. Howell, T. C. Fuller 1980-4-29 2609 Siskiyou 3 km east of Forest Mountain summit, Highway 3, southwest of Yreka. Comment
  HSC91190  Lithophragma glabrum Jennifer Whipple 1978-6-5 2352 Siskiyou Pass between Eddy Creek and Deadfall Creek drainages 2073 Comment
  CAS-BOT-BC435475  Lithophragma glabrum J. P. Moore unspecified s.n. Siskiyou Sisson, now Mt. Shasta City Comment
  HSC39743  Lithophragma parviflorum J. O. Sawyer 1970-4-4 2092 Siskiyou Along Sugar Creek 823 Comment
  RSA468258  Lithophragma parviflorum Christopher Davidson 1975-6-5 2668 Siskiyou 0.8 mi. from gate on special service rd. branching SE of rd from Gazelle to Callahan, ca. 9.3 miles W of Gazelle. Klamath Nat. Forest. 1509 Comment
  UC673223  Lithospermum californicum Lincoln Constance and Reed C. Rollins 1942-5-12 2899 Siskiyou 12 mi s Happy Camp; California North Coast Ranges, Klamath River 304 Comment
  CDA40611  Lithospermum ruderale Vernon H. Oswald & Lowell Ahart 1998-6-11 9176 Siskiyou Shasta National Forest plantation on the west side of Hwy. 97 2.2 miles northeast of Lake Shastina-Big Springs Rd., northeast of Weed. Comment
  SEINET10852002  Lomatium bicolor var. leptocarpum Karen M. Meyer, Andrew Townesmith 2007-8-2 Meyer 185 Siskiyou Shasta-Trinity National Forest. 0.1 mi. on Forest Service Rd. 43N21, 12.5 mi on Hwy. 97, east side of road. 1218 Comment
  SEINET8589441  Lomatium dissectum G. D. Butler 1910-5-7 1303 Siskiyou Near Yreka Comment
  UC1731419  Lomatium engelmannii Dean Wm. Taylor with Craig Martz, Joe Molter, Barbara Williams, Julie Nelson 1997-5-4 15982 Siskiyou along Yreka Ditch ca. 4 air mi sw Gazelle (hillslopes of mts., bordering Shasta Valley, China Mountain 7 1/2' USGS quadrangle); Klamath Region, Scott Mountains 960 Comment
  HSC68496  Lomatium macrocarpum Maralyn A. Renner 1980-6-22 882 Siskiyou Slopes N of Little Shasta River 1372 Comment
  JEPS17111  Lomatium macrocarpum W. L. Jepson Jul 17 1902-Jul 22 1902 2103 Siskiyou The Devil's Backbone w. Siskiyou Co., The Devil's Backbone 1828 Comment
  UC337571  Lomatium macrocarpum unknown 1889-6-27 Siskiyou near Shasta Comment
  HSC29129  Lomatium macrocarpum Frederick W. Oettinger 1969-7-10 958 Siskiyou Marble Mountain Wilderness Area, SSW of Upper English Lake 1921 Comment
  RSA565096  Lomatium nevadense D. W. Taylor 1993-5-26 13522 Siskiyou 1 mile NW Timbered Crater, ca. 400 m east of Forest Road 40N04 and right-of-way of PG&E natural gas pipeline, on border of narrow meadows along unnamed creek tributary to Adobe Flat 1120 Comment
  JEPS17005  Lomatium piperi Geo. D. Butler 1910-3-14 1130 Siskiyou Yreka hills Comment
  JEPS12870  Lonicera ciliosa Dorothy Boedecker 1937-6-10 Siskiyou Etna Comment
  RSA455709  Lonicera ciliosa Edwin Kline 1920-6-24 s.n. Siskiyou Siskiyou Mts. Comment
  HSC96411  Lonicera conjugialis Gordon Leppig, J. Kalt 1996-7-9 360 Siskiyou Klamath National Forest, Russian Wilderness, cirque W of Little Duck Lake 2200 Comment
  UC195242  Lonicera conjugialis Annie M. Alexander and L. Kellogg 1911-6-26 127 Siskiyou Jackson Lake 1798 Comment
  CAS-BOT-BC240639  Lonicera hispidula P. C. Everett; E. K. Balls 1959-10-24 23943 Siskiyou 3 mi. sw. from Red Bank F.S. Camp along road from Sawyers Bar to Somesbar [Somes Bar] 518 Comment
  CAS-BOT-BC240840  Lonicera interrupta L. R. Short 1933-6-16 44 Siskiyou Klamath National Forest. S. side of Klamath R. 609 Comment
  JEPS41318  Lotus crassifolius var. crassifolius Ruby Van Deventer 1939-7-18 28 Siskiyou s of Little Greyback (Kelley Lake Trail, near Kelley Lake) 1219 Comment
  RSA406398  Lotus micranthus J. P. Smith 1973-5-5 6535 Siskiyou Scott Bar along the Scott River. Comment
  RSA592550  Lotus oblongifolius S. O. Mattoon 1978-7-23 34 Siskiyou Forest Road 46N64, vicinity of Middle Creek Meadows; 7 air miles W of Scott River Highway at Gold Flat; Marble Mountains. 1341 Comment
  UC204724  Lotus purshianus var. purshianus A. A. Heller 1914-8-25 11701 Siskiyou near Deetz Station 1158 Comment
  RSA281671  Lotus unifoliolatus S. O. Mattoon 1979-7-10 68 Siskiyou California-Oregon line at Elliott Cr., N. of Rush, Oregon, Siskiyou Mts. Comment
  HSC2119  Lotus unifoliolatus var. unifoliolatus C. B. Wolf 1927-8-26 997 Siskiyou Klamath River, 5 mi. below Hornbrook Comment
  POM38070  Ludwigia palustris var. pacifica Geo. D. Butler 1910-7-16 1791 Siskiyou Oro Fino Comment
  CAS-BOT-BC140201  Luetkea pectinata Louis C. Wheeler 1934-8-14 3121 Siskiyou 1 mile west White Mt., Siskiyou Mts. 1920 Comment
  UC173901  Lupinus adsurgens Geo. D. Butler 1909-5-8 709 Siskiyou Shasta Valley Comment
  HSC32762  Lupinus albicaulis Frederick W. Oettinger 1969-8-19 1462 Siskiyou Marble Mtn. Wilderness Area, Abbott's Lake. 1860 Comment
  JEPS25635  Lupinus albicaulis var. shastensis Rimo Bacigalupi with Mr. and Mrs. Van Deventer 1959-7-9 7274 Siskiyou Poker Flat 1536 Comment
  UC1034059  Lupinus albicaulis var. shastensis W. Bridge Cooke 1941-9-5 16282 Siskiyou vicinity MacBride Springs, Mt. Shasta (Mt. Shasta); , vicin MacBride Springs Comment
  UC1045291  Lupinus albicaulis var. shastensis W. Bridge Cooke 1940-6-7 15108 Siskiyou along the Pacific Highway near Black Butte; near Black Butte Comment
  SEINET10484553  Lupinus albifrons var. flumineus David B. Dunn, Billy Joe Cox 1971-6-9 Dunn 17937 Siskiyou 9 miles n of weed, on us hwy 97, at whitney creek. Sw facing slope; volcanic (Pumice) some sedimentary loamy soil; assoc. With pinus ponderosa, artemisia, Bromus, and arctostaphylos 1250 Comment
  SEINET10838378  Lupinus albifrons var. flumineus Edwin B. Copel 1903-7-3 Copeland 3527 Siskiyou On dry hills Comment
  UC1542837  Lupinus andersonii K. Morris, Dunn and Kenney 1973-5-25 272 Siskiyou 20.7 mi E of McCloud on Highway 89. Comment
  JEPS91327  Lupinus angustiflorus Dean W. Taylor 1987-6-7 9024 Siskiyou Paynes Springs, Medicine Lake highland 2011 Comment
  SEINET10871220  Lupinus arbustus subsp. silvicola Charles Piper Smith 1947-5-13 Smith 47276 Siskiyou 6.3 miles e of weed. Hwy 97 Comment
  UCD106687  Lupinus argenteus Robert E. Preston 1995-6-18 872 Siskiyou ca. 3 mi ese of Hornbrook, in oak woodland adjacent to Ager Rd; (Copco 15' quad). 701 Comment
  HSC37523  Lupinus bicolor J. P. Smith 1974-5-25 7421 Siskiyou Along Rd. 8, 0.9 mi. from its junction with Hwy. 3 976 Comment
  SD98878  Lupinus bicolor Darley F. Howe 1977-7-2 4985 Siskiyou Scott River Road, 7 miles NW of Fort Jones 671 Comment
  RSA237957  Lupinus breweri var. breweri Frederick W. Oettinger 1968-8-4 397 Siskiyou Rocky ridge east of English Peak Lookout. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2210 Comment
  HSC795  Lupinus croceus William J. Ferlatte 1967-7-9 700 Siskiyou Kidd Creek Trail 1677 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
  POM24904  Lupinus klamathensis Geo. D. Butler 1910-4-30 1253 Siskiyou Dry hill near Yreka. Comment
  OBI35630  Lupinus lepidus var. lobbii M. B. Dunkle 1945-8-2 9285 Siskiyou Klamath Natl Forest, Marble Mts. King's Castle Comment
  JEPS109665  Lupinus lepidus var. sellulus Dean W. Taylor 2002-6-29 18208 Siskiyou ridge dividing Rayden Cabin and Big Carmen Lake, ca. 1 mile North of Scott Mountain Summit on Forest Road 40N08 1737 Comment
  JEPS44094  Lupinus lepidus var. sellulus W. B. and V. G. Cooke 1965-7-12 35189 Siskiyou Bolam Road Mt. Shasta; , Bolam Road Comment
  SEINET952479  Lupinus lepidus var. sellulus Mark Fishbein, Lane Hreer 2006-1 5875 Siskiyou South Base of Medicine Lake Glass Flow, just north of Medicine Lake 2050 Comment
  UC598570  Lupinus lepidus var. sellulus C. Hart Merriam 1898-9-30 Siskiyou Mt. Shasta Comment
  SEINET10488736  Lupinus leucophyllus James L. Reveal, Mark L. Reveal 1975-8-15 Reveal 3950 Siskiyou Siskiyou mts, klamath nat'l forest, along the dry lake lookout rd (forest Service rd 40s01), 0.3 mi. W of the jct with 47n40, nw of round mt., On a Serpentine ridge, assoc. With pine-oak woodlands, sec 27, t47n, r9w. Comment
  CHSC26174  Lupinus obtusilobus J. P. Kroessig 1977-8-5 57 Siskiyou Panther Meadow on Mt. Shasta, n end of Everitt Memorial Hwy., ca. 6 km s of Mt. Shasta Peak. 2285 Comment
  LA205153  Lupinus obtusilobus L. Ellison; 1928-9-11 512 Siskiyou Mt Shasta 2590 Comment
  POM11085  Lupinus sellulus subsp. sellulus Geo. D. Butler 1910-9-11 1867 Siskiyou [Unspecified] Comment
  POM23553  Lupinus sellulus subsp. sellulus Geo. D. Butler 1908-8-2 368 Siskiyou Shackleford Creek Comment
  HSC14881  Lupinus subvexus var. subvexus Unknown Siskiyou Lava Beds N.M., Canby Bay 1220 Comment
  HSC67151  Luzula comosa J. P. Smith 1973-5-5 6413 Siskiyou Along Cook and Green Pass Rd. Comment
  CHSC38983  Luzula comosa var. laxa J. D. Jokerst 1983-7-5 1824 Siskiyou Atkin's Meadow, 15 air miles E of McCloud. Comment
  UC796535  Luzula comosa var. laxa Roxana S. Ferris and Laura Lorraine Jun 12 -16, 1948 11743 Siskiyou French Creek Logging Road west of Callahan 1066 Comment
  RSA186326  Luzula comosa var. laxa Gilbert Muth 1966-10-16 14 Siskiyou Marble Mountains 1793 Comment
  RSA215595  Luzula divaricata Gilbert Muth 1969-8-10 1329 Siskiyou Ridge west of Boulder Peak. 2348 Comment
  HSC30723  Luzula parviflora Frederick W. Oettinger 1968-9-9 800 Siskiyou Marble Mtn. Wilderness Area, stream running from Tom's Upper Pond to Tom's Lower Pond 2012 Comment
  UC3045  Luzula subcongesta W. H. Brewer 1862-9-13 1378 Siskiyou near Camp 99 (Mount Shasta); , Near Camp 99 2560 Comment
  OBI2049  Lysimachia latifolia J. H. Applegarth 1969-6-22 s.n. Siskiyou Jctn of Cow Crk and Grouse Crk 914 Comment
  RSA0015987  Lythrum hyssopifolia Geo. D. Butler 1910-8-3 1811 Siskiyou Yreka Creek. Comment
  SEINET2121890  Machaeranthera canescens M. L. Carson 1968-12-9 1296 Siskiyou US Highway 99 and Interstate 5 at base of Black Butte 4 mi S of Weed, 0.85 mi N of summit of the pass and 2.55 mi N of exit to Mount Shasta and State Highway A 10 1190 Comment
  SD8618  Madia bolanderi Brandegee Jun 1887 Siskiyou Mt. Shasta Comment
  HSC40203  Madia elegans J. P. Smith 1976-5-5 8680 Siskiyou Road between Sawyers Bar and Somes Bar 488 Comment
  CAS-BOT-BC344542  Madia exigua L. E. Smith 1913-6-12 353 Siskiyou Sulloway Creek Comment
  CAS-BOT-BC334667  Madia glomerata Louis C. Wheeler 1934-8-24 3216 Siskiyou Trapper Creek, Siskiyou Mountains 1859 Comment
  CHSC86673  Madia gracilis Jenny Marr 1993-7-1 56 Siskiyou Butte Valley Wildlife Area, +/- 7 air miles NW of the town of MacDoel. Meadow NW of Meiss Lake. 1349 Comment
  JEPS40207  Madia gracilis Willis L. Jepson Jul 24 1894-Aug 10 1894 Siskiyou Sims to Sissons; Region of the Upper Sacramento Comment
  POM267999  Madia gracilis subsp. gracilis W. Bridge Cooke 1938-8-5 11440 Siskiyou MacBride Springs, Mount Shasta 1524 Comment
  CHSC2310  Maianthemum stellatum M. Yoder 1941-7-21 Siskiyou Castle Lake. 1950 Comment
  HSC18914  Maianthemum stellatum J. O. Sawyer 1968-7-10 464 Siskiyou Floodplain of Sugar Creek near Sugar Lake. 1799 Comment
  HSC62003  Maianthemum stellatum Ruby Van Deventer 1959-7-9 Siskiyou Poker Flat 1555 Comment
  CAS-BOT-BC514183  Maianthemum stellatum Ira L. Wiggins 1955-7-23 13478 Siskiyou Banks of China Creek 1097 Comment
  RSA96706  Maianthemum stellatum Percy C. Everett, E. K. Balls 1954-10-13 20286 Siskiyou Indian Creek Rd., 16.7 mi NW of Happy Camp on Hwy 96. 1128 Comment
  UC725671  Matricaria discoidea A. A. Heller 1916-7-20 12461 Siskiyou ne base Mt. Eddy (Metcalf's ranch) 1188 Comment
  POM114772  Melica aristata Geo D. Butler 1909-7-15 811 Siskiyou Russian Creek. 1829 Comment
  HSC76712  Melica bulbosa K. T. Stillman 1976-7-30 344 Siskiyou Marble Mtn. Wilderness Area, Upper Marble Valley. 1829 Comment
  POM259099  Melica bulbosa C. L. Hitchcock, J. S. Martin 1939-7-9 5311 Siskiyou Between King's Castle and Black Mountains, west side of ridge. 1829 Comment
  JEPS104956  Melica harfordii Dean W. Taylor 1996-7-10 15773 Siskiyou head of Facey Gulch on Hayden Ridge; easterly watershed divide of Scott Valley (about 10 air miles E of Etna); Klamath National Forest 1173 Comment
  HSC48289  Melica subulata J. O. Sawyer, K. T. Stillman 1978-7-6 3296 Siskiyou Along Happy Camp - O'Brien Rd., above Louse Creek. Comment
  UCD88595  Melica subulata Rimo Bacigalupi; Mr. and Mrs. Van Deventer 1959-7-9 7262 Siskiyou Poker Flat. 1536 Comment
  UCD88666  Melica subulata S. S. Tillett 1956-7-11 688 Siskiyou On the border of Trinity County. North side of Scott Mtn. divide near campground. 8 mi. se. of Callahan. 1615 Comment
  JEPS63470  Mentha canadensis Willis L. Jepson Jul 24 1894-Aug 10 1894 14917 Siskiyou Sisson; Upper Sacramento, Sisson Comment
  UC1714374  Mentha canadensis W. Bridge Cooke 1940-6-20 15168 Siskiyou below Hornbrook (near the Pacific Highway); Klamath River Comment
  POM211269  Mentha spicata Louis C. Wheeler 1934-9-22 3301 Siskiyou Walker, Klamath River, Siskiyou Mountains. (Mt Diablo Mer) 518 Comment
  JEPS42800  Mentzelia dispersa T. H. Gilbert Jun 15 1899-Jul 15 1899 Siskiyou Scott River Valley Comment
  CAS-BOT-BC428608  Micranthes bryophora Ira L. Wiggins 1955-7-27 13547 Siskiyou Caribou Lake, Salmon-Trinity Alps Primitive Area 2042 Comment
  UCD102876  Micranthes odontoloma J. M. Tucker 1963-8-19 3778 Siskiyou Marble Mountain Wilderness Area, at the east base of Marble Mountain, headwaters of Canyon Creek. 1950 Comment
  LA208998  Micranthes tolmiei Lincoln Ellison; 1928-9-11 506 Siskiyou Mount Shasta, SW slope of mtn 2895 Comment
  UC163868  Microseris laciniata subsp. laciniata Geo. D. Butler 1909-6-13 957 Siskiyou near Oro Fino Comment
  CAS-BOT-BC349372  Microseris nutans L. E. Smith 1914-5-5 654 Siskiyou Dunsmuir Comment
  CAS-BOT-BC349378  Microseris nutans Ira L. Wiggins 1955-7-27 13520 Siskiyou Caribou Lake, Salmon-Trinity Alps Primitive Area 2042 Comment
  RSA237329  Microsteris gracilis subsp. humilis Frederick W. Oettinger 1967-6-24 117 Siskiyou Ridge at Etna Summit between Etna and Sawyers Bar. The Salmon Mountains. The High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1829 Comment
  UCR61242  Mimulus breweri 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
  HSC427  Mimulus guttatus William J. Ferlatte 1966-6-22 97 Siskiyou Along the S Fork of the Salmon River, between the campground and Carter's 1524 Comment
  JEPS74557  Mimulus guttatus W. J. Ferlatte 1966-8-17 401 Siskiyou nw side Caribou Mountain; Trinity Alps 1981 Comment
  RSA126053  Mimulus guttatus I. L. Wiggins 1955-7-22 13444 Siskiyou South Fork of Salmon River, 9.5 miles above Cecilville. 1067 Comment
  RSA293206  Mimulus guttatus J. P. Smith 1973-5-5 6421 Siskiyou Along Cook and Green Pass road. Comment
  JEPS2965  Mimulus layneae W. L. Jepson 1940-7-1 20078 Siskiyou 6 mi e McCloud; McCloud River, Fowlers Camp 975 Comment
  UC164473  Mimulus layneae Geo. D. Butler 1910-6-19 1585 Siskiyou Goosenest foothills 1524 Comment
  HSC22289  Mimulus lewisii J. O. Sawyer 1968-7-10 502 Siskiyou Above Sugar Lake 2012 Comment
  SEINET515851  Mimulus mephiticus Vernon Oswald 1997-7-28 8774 Siskiyou Forest Route 49 (Powder Hill Rd.) at 41N03 (to Porcupine Butte), 16 mi. S of Medicine Lake. 1366 Comment
  JEPS3168  Mimulus moniliformis George D. Butler 1908-8-4 453 Siskiyou head Shackleford Creek 1676 Comment
  HSC422  Mimulus moschatus William J. Ferlatte 1966-7-7 216 Siskiyou NW side of Caribou Mtn. 1829 Comment
  RSA183419  Mimulus moschatus J. M. Tucker, L. 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
  HSC34141  Mimulus nanus var. nanus J. O. Sawyer 1969-7-18 1436 Siskiyou S of Jackson Lake 1951 Comment
  RSA12576  Mimulus primuloides Carl B. Wolf 1934-7-6 6010 Siskiyou 0.5 mi. south of Wagon Camp. South slope of Mt. Shasta. 1524 Comment
  LA209441  Mimulus tilingii W. B. C.; 1939-8-8 13814 Siskiyou Mount Shasta, Springs above Horse Camp along the summit trail 2514 Comment
  CAS-BOT-BC388882  Minuartia douglasii J. H. Thomas 1954-5-14 4166 Siskiyou Salmon Mountains, Klamath National Forest. Near South Fork of Salmon River, 5 to 9 miles southeast of Cecilville, Southwestern Siskiyou County 1219 Comment
  CAS-BOT-BC388888  Minuartia douglasii Albert M. Vollmer; Lawrence Beane 1951-5-31 20 Siskiyou Scott Mountain Comment
  HSC69347  Minuartia nuttallii subsp. gregaria Maralyn A. Renner 1980-8-21 2592 Siskiyou SW of trail from Leroy Mine to Sunrise Basin near ridge 2287 Comment
  CAS-BOT-BC181114  Minuartia nuttallii var. gregaria Peter H. Raven 1956-9-4 10407 Siskiyou S. side of Mt. Eddy 2682 Comment
  HSC61892  Mitella breweri Al Hobart 1920-6-13 Siskiyou Poker Flat 1585 Comment
  JEPS26520  Mitella diversifolia Lauramay T. Dempster 1961-7-2 1850 Siskiyou Mill Creek; at road crossing sw of Etna Comment
  HSC4888  Mitella pentandra J. O. Sawyer 1968-6-18 180 Siskiyou Above S Russian Creek on W side. 1463 Comment
  RSA238319  Mitella pentandra Frederick W. Oettinger 1968-8-10 459 Siskiyou Old trail along rock slide between Diamond Lake and Hancock Lake. Salmon Mtns. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1974 Comment
  HSC48286  Mitella trifida J. O. Sawyer, K. Stillman 1978-7-6 3301 Siskiyou Along Happy Camp - O'Brien Rd., above Louse Creek. Comment
  RSA184754  Mitella trifida Gilbert Muth 1966-7-17 400 Siskiyou Trail to lookout. Marble Mtns. 1799 Comment
  RSA211095  Mitella trifida William J. Ferlatte 1966-6-22 93 Siskiyou Along the South Fork of the Salmon River between the campgrond and Carter s; Trinity Alps. 1524 Comment
  RSA468284  Mitella trifida M. B. Dunkle 1944-6-25 9011 Siskiyou Siskiyou National Forest. 1677 Comment
  UC609332  Monardella Eleanor Burks Hart 1938-8-22 920 Siskiyou n. side Upper Wright Lake 2225 Comment
  JEPS84202  Monardella L. R. Heckard with S. D'Alcamo, J. Hickman, S. Winchester 1986-7-15 6296 Siskiyou just s State line (Indian Creek Road from Takilma to Happy Camp) 1420 Comment
  HSC14277  Monardella glauca R. C. Wunner 1965-6-29 299 Siskiyou Lava Beds National Monument, below upper Caldwell Ice Cave 1433 Comment
  CAS-BOT-BC222027  Monardella odoratissima subsp. glauca Marion Ownbey; Fred G. Meyer 1940-7-5 2182 Siskiyou On East side of Mt. Shasta Comment
  UC585124  Monardella odoratissima subsp. glauca E. B. Babcock, G. L. Stebbins Jr. 1936-6-13 2013 Siskiyou About 1 1/2 miles west of Mt. Shasta City above Sulloway Creek, spur of ridge; Rainbow Ridge 1180 Comment
  CAS-BOT-BC222174  Monardella odoratissima subsp. pallida C. L. Hitchcock; J. S. Martin 1939-7-6 5213 Siskiyou On Takilma-Happy Camp road 1676 Comment
  CAS-BOT-BC222176  Monardella odoratissima subsp. pallida J. M. Tucker 1963-8-19 3785 Siskiyou Headwaters of Canyon Creek, Marble Mountain Wilderness Area 1920 Comment
  UC2035914  Monardella odoratissima subsp. pallida W. Bridge Cooke 1940-7-12 15349 Siskiyou Along the Sisson Southern Trail near the S. S. Trail spring, Mount Shasta Comment
  CAS-BOT-BC222179  Monardella odoratissima subsp. pallida Gilbert Muth 1965-8-3 s.n. Siskiyou Marble Valley Comment
  SEINET10582082  Monardella odoratissima subsp. pallida A. Graff 1993-7-24 Graff 347 Siskiyou Mt. Shasta National Forest, Mt. Shasta. Memorial Hwy. from the 2nd road to Sand Flats going down the Mt., on both sides of the road. Locally frequent at the edge of mixed conifer forest of Abies magnifica, A. concolor, Pinus ponderosa, Pseudotsuga menziesii, Calocedrus decurrens, with Ceanothus sp., Arctostaphylos uva-ursi and A. sp. Comment
  SEINET10582375  Monardella siskiyouensis A. Graff 1993-7-24 Graff 351 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
  RSA0022799  Monardella villosa Clare B. Hardham 1965-8-17 13070 Siskiyou 4-5 miles southwest of Klamath River. Orleans - Eureka road. Comment
  HSC64305  Montia chamissoi J. P. Smith, Steve Selva 1970-6-16 4035 Siskiyou 4 mi. from Hwy. 3 on Rd. 8 to Sugar Creek. 1159 Comment
  RSA256711  Montia chamissoi J. P. Smith 1974-5-25 7469 Siskiyou Along road 8, 4.7 mi. west of its junction with State Route 3. 1159 Comment
  JEPS43184  Montia fontana Geo. D. Butler 1909-3-26 679 Siskiyou Oro Fino Comment
  HSC64785  Montia parvifolia J. P. Smith, Steve Selva 1970-6-15 3910 Siskiyou 10 mi. NW of Forks of Salmon Comment
  JEPS43286  Montia parvifolia W. L. Jepson 1907-7-11 2880 Siskiyou Klamath Range near Putnam Peak (between Cedar Camp and divide); Klamath Range 1981 Comment
  LA207510  Montia parvifolia Edward Lee; 1934-8-13 1054 Siskiyou Klamath National Forest, Indian Creek, 4 mi N of Happy Camp 411 Comment
  SJSU6510  Montia parvifolia Trivelpiece 1972-6-15 117 Siskiyou Vann Cr near Bear Peak c. 15 mi SW of Happy Camp 1280 Comment
  HSC60462  Muhlenbergia andina William J. Ferlatte 1966-8-3 277 Siskiyou Josephine Lake basin 1677 Comment
  CAS-BOT-BC275182  Muhlenbergia montana John Thomas Howell 1937-7-25 13442 Siskiyou Caribou Basin, Salmon-Trinity Alps 2286 Comment
  HSC30602  Muhlenbergia montana Frederick W. Oettinger 1968-9-7 753 Siskiyou Marble Mtn. Wilderness Area, N end of Hancock Lake. 1951 Comment
  RSA795332  Myosotis laxa L. Ahart, John Dittes 2010-7-30 16944 Siskiyou About 30 yards south of the Shasta River, about 80 yards west of the pipe across the Shasta River, about 200 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
  CDA5594  Myosotis micrantha G. D. Barbe, J. T. Howell, T. C. Fuller 1980-4-29 2625 Siskiyou 0.4 km northeast of Oro Fino. Comment
  RSA68893  Nama lobbii A. E. Culbertson 1943-7-1 64 Siskiyou Castle Lake, in a north facing cirque with an abrupt 1000 backwall; 14 miles S.W. of Mt. Shasta on N. side of a 6600 eastern spur of Trinity Mts.; 2000 above Sacramento R. within 10 airmiles of its headwaters to the west. Comment
  UC24064  Nama lobbii Milo S. Baker 1893-8-19 Siskiyou s base Mt. Shasta Mt. Shasta; s base Mt. Shasta Comment
  UC880850  Nama lobbii Lewis S. Rose 1937-7-25 37597 Siskiyou Mt. Shasta City 1158 Comment
  HSC58938  Narthecium californicum Marvin Butler 1971-7-28 219 Siskiyou Near El Capitan 1524 Comment
  HSC96303  Narthecium californicum Gordon Leppig 1998-8-14 1011 Siskiyou Klamath National Forest, Russian Wilderness, Little Duck Lake Fen, cirque W of Little Duck Lake 2200 Comment
  SEINET8501736  Narthecium californicum W. Roderick 1967-7-28 s.n. Siskiyou Gumboat Lake, SW of Mt. Eddy. 1829 Comment
  CAS-BOT-BC60323  Nasturtium officinale William Bridge Cooke 1940-7-12 15321 Siskiyou Near the Box Canyon of the Sacramento near Mount Shasta City. 914 Comment
  CHSC57437  Navarretia intertexta subsp. intertexta L. P. Janeway 1984-6-21 850 Siskiyou At Ti Bar Flat, on east side of Klamath River. Along dirt road. 213 Comment
  UC23429  Navarretia leptalea subsp. leptalea F. W. Morse July, 1886 Siskiyou at Shasta Comment
  JEPS25653  Navarretia linearifolia subsp. linearifolia Rimo Bacigalupi with Mr. and Mrs. Van Deventer 1959-7-10 7295 Siskiyou about 4 mi nne Preston Peak (just e of Del Norte County line, Twin Valley, watershed of Indian Creek); Siskiyou Mts., Indian Creek, Twin Valley 1493 Comment
  JEPS1935  Nemophila pedunculata Geo. D. Butler 1909-3-9 658 Siskiyou Yreka Comment
  HSC99332  Nepeta cataria C. B. Wolf 1927-8-26 1046 Siskiyou Along Klamath River, 4 mi. N of Gottville Comment
  HSC43147  Nicotiana acuminata Ken Stillman 1976-8-24 423 Siskiyou Along Klamath River at Williams Point. 366 Comment
  HSC34004  Noccaea fendleri subsp. glauca J. P. Smith 1974-5-25 7503 Siskiyou Along Rd. 8, 2.4 mi. W of its junction with Hwy. 3 976 Comment
  HSC75095  Noccaea fendleri subsp. glauca J. P. Smith, Thomas W. Nelson 1979-6-15 10119 Siskiyou Klamath National Forest, road to Carmen Lake, 0.6 mi. from its junction with Hwy. 3 1646 Comment
  HSC44495  Noccaea fendleri subsp. glauca K. Irwin 1977-5-21 369 Siskiyou Hayden, 1 mi. E of Scott Mtn., E of road 40N08 Comment
  HSC77069  Noccaea fendleri subsp. glauca K. T. Stillman 1976-6-26 113 Siskiyou Marble Mtn. Wilderness Area 2012 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
  RSA59501  Nothocalais troximoides E. K. Balls 1950-5-17 14715 Siskiyou 1.5 miles NW Schonchin Butte, lava Beds National Monument. Comment
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Sep 21 2009
  HSC69310  Nothochelone nemorosa Maralyn A. Renner 1980-7-24 1977 Siskiyou Pacific Crest Trail above Lily Pad Lake. 1799 Comment
  UC1409428  Nothochelone nemorosa Frederick W. Oettinger 1968-8-5 408 Siskiyou n of English Peak leading down to Upper English Lake (High Lake Basins, Salmon Mountains, Marble Mountain Wilderness Area); High Lake Basins, Salmon Mts., Marble Mountain Wilderness Ar 1950 Comment
  UC630393  Nuphar lutea subsp. polysepala Annetta Carter 1939-8-20 1462 Siskiyou 12 mi sw of Etna (Salmon Mountains, nw end of Taylor Lake); Salmon Mountains, Taylor Lake 2026 Comment
  RSA0013796  Nuphar lutea subsp. polysepala Frederick W. Oettinger 1969-8-1 1139 Siskiyou English Lake near inlet. Salmon Mountains. High Lake Basins in the vicinity of English Peak, Marble Mountain Wilderness Area. 1753 Comment
  SEINET184866 Image available Nuphar lutea subsp. polysepala C. L. Hitchcock, J. S. Martin 1939-1 5273 Siskiyou Whiskey Lake, 0.5 mi above Camp Chicago, on Sanger Peak Trial 1463 Comment
  UC224019  Oenothera elata subsp. hirsutissima Dr. Edward Palmer Jul 13 1892-Jul 27 1892 2520 Siskiyou Mt. Shasta and vicinity Comment
  CDA20567  Onopordum tauricum C. Pirosko 2005-7-29 PDR 1303860 Siskiyou Klamath Ranges; Schoolhouse Rd in eastern Siskiyou County, near Hwy 97. 0 Comment
  SEINET13694636 Image available Onopordum tauricum T. C. Fuller 1960-4-26 s.n. Siskiyou Dorris Comment
  HSC29217  Oreostemma alpigenum var. andersonii Frederick W. Oettinger 1968-8-1 339 Siskiyou High Lake Basins near English Peak: Marble Mtn. Wilderness Area; S of Little Hancock Lake 2043 Comment
  HSC82354  Oreostemma alpigenum var. andersonii Thomas W. Nelson, Jane P. Nelson, J. P. Smith 1978-7-24 4523 Siskiyou Trinity-Siskiyou County line; At head of Scott Mtn. Creek S of Forest Service Campground 1646 Comment
  SEINET5708888 Image available Oreostemma alpigenum var. andersonii Lowell E. Urbatsch, Vesna Karaman, Castro 2000-1 7704 Siskiyou Scott Mts. Collected along Road 17, 12.7 miles SW from the intersection of I-5 and Stewart Springs road.; Scott Mountains 2036 Comment
  UC1177881  Orobanche fasciculata Francia Chisaki and Gene B. Newcomb 1958-6-22 1154 Siskiyou On Highway #99, at base of Black Butter, (south of Weed). Comment
  HSC45156  Orobanche uniflora J. O. Sawyer, E. Cope 1977-6-19 2950 Siskiyou Clear Creek Trail between Preston Creek and Trout Camp 915 Comment
  CAS-BOT-BC500330  Orobanche uniflora subsp. occidentalis L. E. Smith 1914-4-20 638 Siskiyou Yreka Comment
  RSA237408  Orogenia fusiformis Frederick W. Oettinger 1969-7-13 999 Siskiyou By Upper English Lake campsite at NE corner of the lake (only seen on this collection site). Salmon Mtns. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1768 Comment
  HSC19206  Orthilia secunda J. O. Sawyer 1968-6-18 236 Siskiyou Valley bottom of Blakes' Fork. 1707 Comment
  HSC19209  Orthilia secunda J. O. Sawyer 1968-7-23 626 Siskiyou Near Big Flat Campground, Trinity Alps Primitive Area 1524 Comment
  HSC92965  Orthilia secunda Jennifer Whipple 1977-8-6 2228 Siskiyou Dale Creek drainage on N face of Mount Eddy 2195 Comment
  RSA0083187  Orthilia secunda L. C. Wheeler 1934-6-23 2772 Siskiyou Hungry Creek, Siskiyou Mts. 1128 Comment
  SEINET11141888  Osmorhiza occidentalis G. D. Butler 1910-7-7 1668 Siskiyou Shackleford Creek. 1219 Comment
  RSA261379  Osmorhiza purpurea J. M. Tucker, L. Mann 1963-7-5 3700 Siskiyou On Blake s Fork of South Russian Creek (a tributary of Salmon River), ca 7 air miles east of Sawyer s Bar, Salmon Mountains 1616 Comment
  CAS-BOT-BC316757  Packera cana Peter Hamilton Raven 1956-9-4 10390 Siskiyou pass just south of Mt. Eddy 2438 Comment
  CAS-BOT-BC318449  Packera cana Elmer Ivan Applegate 1935-6-10 9491 Siskiyou South slope of Caldwell Butte, Lava Beds national Monument Comment
  UC579117  Packera cana J. William Thompson 1936-7-8 13150 Siskiyou Lava Beds National Monument Comment
  SEINET3159609  Paeonia brownii G. D. Butler 1910-4-23 1229 Siskiyou Quartz valley Comment
  HSC10458  Panicum capillare C. B. Wolf 1927-8-26 992 Siskiyou Klamath River, 5 mi. below Hornbrook Comment
  CAS-BOT-BC422853  Papaver rhoeas Lillian Mott 1976-6-6 21 LM76 Siskiyou Klamath River at Ash Creek, ca. 4 1/2 miles west of 5 x 96 548 Comment
  CAS-BOT-BC175511  Parnassia fimbriata Gilbert J. Muth 1969-8-11 1361 Siskiyou Slope beneath high point of ridge s. of Boulder Peak Comment
  CHSC1648  Parnassia palustris N. Jaekel 1939-7-29 Siskiyou Mt. Eddy. 2286 Comment
  CAS-BOT-BC202849  Paxistima myrsinites John Thomas Howell 1939-8-4 15056 Siskiyou Near Spirit Lake, Marble Mts. 1828 Comment
  HSC4834  Paxistima myrsinites J. O. Sawyer 1968-6-25 329 Siskiyou 1646 Comment
  RSA232380  Paxistima myrsinites Frederick W. Oettinger 1968-9-3 687 Siskiyou E-facing slope due W of Horse's Hole - a pond above Horse Range Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. Comment
  SBBG4075  Paxistima myrsinites H. and M. Dearing 1939-7-2 3802 Siskiyou Salmon Mtn 1828 Comment
  UC1408910  Paxistima myrsinites Frederick W. Oettinger 1968-9-3 687 Siskiyou pond above Horse Range Lake (due w. of Horse's Hole); Salmon Mts, High Lake Basins, English Peak vicinity, Marble 1981 Comment
  HSC91147  Pedicularis attollens Jennifer Whipple 1976-7-15 1486 Siskiyou S face of Mount Eddy draining into the N Fork of the Sacramento River 2317 Comment
  HSC29252  Pedicularis bracteosa var. flavida Frederick W. Oettinger 1968-8-3 378 Siskiyou Marble Mtn. Wilderness Area, base camp meadow, English Lake Basin 2012 Comment
  HSC76666  Pedicularis bracteosa var. flavida K. T. Stillman 1976-7-23 306 Siskiyou Marble Mtn. Wilderness Area 2012 Comment
  RSA238822  Pedicularis contorta Frederick W. Oettinger 1968-8-22 599 Siskiyou Below Diamond Lake on way to English Lake. Salmon Mountains. High Lake Basins, in the vicinity of English Peak. Marble Mountain Wilderness Area. 2226 Comment
  HSC20918  Pedicularis densiflora Dorothy Parker 1949-5-26 Siskiyou Sugar Creek, Salmon Mtns. range 1677 Comment
  POM43387  Pedicularis flavida Geo. D. Butler 1908-8-5 42 Siskiyou West fork of Wooley Creek. 2134 Comment
  POM43422  Pedicularis flavida Geo. D. Butler 1910-7-10 1735 Siskiyou Upper Campbell Lake, Shackleford Creek. 1524 Comment
  UC595099  Pedicularis racemosa David D. Keck 1938-8-6 4822 Siskiyou Poker Flat, Siskiyou County at Del Norte County line Poker Flat; Siskiyou Mountains 1463 Comment
  UCR37853  Pedicularis racemosa K. T. Stillman 1976-7-21 271 Siskiyou Marble Mountain Wilderness Area 1982 Comment
  HSC63262  Pedicularis racemosa M. A. Baker 1979-7-31 1087 Siskiyou Marble Mtn. Wilderness, Tickner Hole 2080 Comment
  HSC86526  Pedicularis racemosa D. K. Imper 1987-7-21 Siskiyou 8 mi. E of Somes Bar 1372 Comment
  POM299020  Pellaea brachyptera Marion Ownbey, Fred G. Meyer 1940-7-6 2198 Siskiyou Near summit of Cayenne Ridge on south side, Marble Mountain. Comment
  CAS-BOT-BC67724  Pellaea brachyptera Wm. Bridge Cooke 1938-6-17 11036 Siskiyou Mount Shasta - along the Sison Southern Trail on a lava flow outcropping. 1371 Comment
  HSC69289  Penstemon anguineus Maralyn A. Renner 1980-7-24 1948 Siskiyou Pacific Crest Trail above Lily Pad Lake. 1799 Comment
  JEPS7201  Penstemon anguineus Geo. D. Butler 1909-7-2 935 Siskiyou Highland Mine Comment
  UC1190133  Penstemon anguineus Ira L. Wiggins 1955-7-24 13490 Siskiyou ridge betw upper reaches of China and Blind Horse Creek; upper reaches of China and Blind Horse Creeks 1493 Comment
  UC1483456  Penstemon anguineus John Palmer 1980-7-23 1922 Siskiyou on w side of Upper Devils Peak Klamath National Forest, Seiad Valley Quad., Upper Devils Pk (Pacific Crest Trail) 1767 Comment
  UCR37818  Penstemon anguineus K. T. Stillman 1976-7-22 292 Siskiyou Marble Mountain Wilderness Area Comment
  SEINET185112 Image available Penstemon azureus C. L. Hitchcock, J. S. Martin 1939-7-6 5230 Siskiyou peak above and north of Divide of Siskiyou Mts., California on Takilma Happy Camp road 1829 Comment
  JEPS8388  Penstemon cinereus Rimo Bacigalupi with L. R. Heckard, George Bacigalupi and Ruth D. Sanderson 1952-6-18 3740 Siskiyou on forest road to Mt. Hebron 16 mi e Montague (near Panther Creek Guard Station); along Little Shasta River, e of Montague 1280 Comment
  NY590179  Penstemon davidsonii var. davidsonii M. S. Baker 06 1893 s.n. Siskiyou Medicine Lakes Comment
  HSC19128  Penstemon deustus J. O. Sawyer 1969-7-24 1507 Siskiyou SE facing slope W of Sugar Lake 1905 Comment
  UC1063376  Penstemon deustus H. S. Yates 1936-6-21 5830 Siskiyou n base of Wintoon Butte Dunsmuir Quadrangle Comment
  RSA79764  Penstemon deustus subsp. heterander F. W. Peirson 1923-7-19 3842 Siskiyou Near Bray. Comment
  NY609833  Penstemon deustus var. suffrutescens A. Eastwood 1937-6-26 5043 Siskiyou Salmon Mountains above Taylor Creek Comment
  RSA716056  Penstemon deustus var. suffrutescens L. Ahart 2005-6-9 12037 Siskiyou About 3/5 mile (air) south of Highway 99/97 Cutoff, about 2 1/2 miles (air) east-southeast of Grenada. 775 Comment
  UC144567  Penstemon deustus var. suffrutescens A. A. Heller 1905-6-16 8049 Siskiyou near Sisson; near Sisson Comment
  SBBG7148  Penstemon gracilentus H. and M. Dearing 1948-9-12 6727 Siskiyou Mt Shasta 2316 Comment
  UC60948  Penstemon gracilentus Geo. B. Grant September 1902 5132 Siskiyou Horse Camp , Horse Camp (Mount Shasta) 2438 Comment
  UC61051  Penstemon gracilentus W. A. Setchell, C. C. Dobie 1902-7-16 Siskiyou Sisson , Sisson (Mount Shasta) Comment
  POM14639  Penstemon gracilentus E. B. Copeland 1903-7-17 3508 Siskiyou Mt. Shasta. Comment
  SEINET12271087  Penstemon gracilentus M. Ownbey, Meyer, F. G. 1940-1 2195 Siskiyou near timber line on E side of Mt. Shasta Comment
  NY601594  Penstemon heterodoxus var. shastensis A. A. Heller 1938-7-13 15269 Siskiyou Along U.S. Highway 97, just south of Bray 1402.1 Comment
  HSC49941  Penstemon humilis subsp. humilis G. L. Clifton, Ground 1978-6-29 1567 Siskiyou Near Davis Rd., close to the town of Macdoel 1372 Comment
  SBBG30655  Penstemon laetus D. Myrick 1968-6-22 1992 Siskiyou Lava Beds Nat Monument 1371 Comment
  CHSC66548  Penstemon laetus var. sagittatus Vernon H. Oswald 1996-7-12 7995 Siskiyou Everitt Memorial Hwy. (A10) E of Mt. Shasta city between mileposts 5 and 6. 1554 Comment
  JEPS11375  Penstemon laetus var. sagittatus W. L. Jepson 1937-7-30 18559 Siskiyou Poker Flat, headwaters of Indian Creek Siskiyou Mts., Indian Creek 1584 Comment
  UC1874808  Penstemon laetus var. sagittatus Karl Vincent, Charlotte Labbe 1987-8-12 4510 Siskiyou Cascade Range, Mt. Shasta. Along E side of US 97 ca 5.1 mi NE of jct. I-5 Business Loop in Weed. 1158 Comment
  UC496170  Penstemon laetus var. sagittatus L. B. Kildale 1930-7-1 Siskiyou Salmon River at Sawyer's Bar; Salmon River at Sawyer's Bar Comment
  SBBG21851  Penstemon newberryi D. Myrick 1964-7-25 949 Siskiyou Shasta Ski Bowl Hwy, Mt Shasta 1524 Comment
  HSC4840  Penstemon newberryi subsp. berryi J. O. Sawyer 1968-9-9 656 Siskiyou Ridges S of Cyclone Gap 1738 Comment
  HSC700  Penstemon newberryi subsp. berryi William J. Ferlatte 1967-8-23 1100 Siskiyou Head of Kidd Creek 2134 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
  NY627424  Penstemon newberryi var. berryi I. L. Wiggins 1955-7-27 13537 Siskiyou Caribou Lake, Salmon-Trinity Alps Primitive Area 2042.2 Comment
  JEPS26254  Penstemon newberryi var. berryi Friedrich Ehrendorfer 1959-5-29 loc. 22 Siskiyou to the S of the road, at Etna summit, on road from Etna to Finley Camp (Salmon Mtn. summit) 1813 Comment
  UC61195  Penstemon newberryi var. newberryi W. A. Setchell, C. C. Dobie 1902-7-16 Siskiyou Sisson , Sisson (Mount Shasta) Comment
  UC887197  Penstemon newberryi var. newberryi Alice Eastwood 1912-7-19 1230 Siskiyou Mount Shasta Comment
  CHSC1879  Penstemon parvulus M. Yoder 1941-7-6 Siskiyou Castle Lake. 1981 Comment
  CHSC1881  Penstemon parvulus E. G. Copeland 1939-7-17 Siskiyou Mt. Eddy. 2133 Comment
  UC887236  Penstemon parvulus A. A. Heller 1916-7-22 12485 Siskiyou e side Mt. Eddy Comment
  SEINET5323604 Image available Penstemon procerus var. brachyanthus G. Butler 1910-7-10 1739 Siskiyou Shacksleford Creek, upper Campbell Lke 1372 Comment
  SBBG21883  Penstemon roezlii D. Myrick 1964-7-25 948 Siskiyou Shasta Ski Bowl Hwy, Mt Shasta 1524 Comment
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Apr 15 2016
  CHSC86684  Penstemon rydbergii var. oreocharis Jenny Marr 1993-7-1 67 Siskiyou Butte Valley Wildlife Area, +/- 7 air miles NW of the town of MacDoel. Meadow NW of Meiss Lake. 1349 Comment
  UC887140  Penstemon rydbergii var. oreocharis A. A. Heller 1938-7-13 15269 Siskiyou along hwy #97 just s Bray; s of Bray 1402 Comment
  RSA12579  Penstemon shastensis Carl B. Wolf 1934-7-6 6007 Siskiyou 5.4 miles from Mt. Shasta City on Wagon Camp Rd, SW slope of Mt. Shasta 1220 Comment
  NY661038  Penstemon speciosus A. A. Heller 1938-7-12 15249 Siskiyou Along U.S. Highway #97 1066.8 Comment
  RSA176492  Penstemon speciosus A. A. Heller 1928-6-9 14605 Siskiyou Near Yreka. Comment
  CDA38508  Perideridia leptocarpa D. H. Shaw & D. Osterhandt 1979-8-17 s.n. Siskiyou Jackass Gulch northwest of Sawyers Bar, Klamath National Forest. 0 Comment
  SEINET7929362  Perideridia oregana L. Constance, T. I. Chuang; Fei-Mei Chuang; M. Sousa S. 1966-6-15 3767 Siskiyou U.S. Highway 99W, 1.5 miles north of Edgewood turnoff.; 0 91 Comment
  CAS-BOT-BC423363  Peritoma serrulata Elmer I. Applegate 1923-8-21 3927 Siskiyou South end of Little Klamath Lake Comment
  CAS-BOT-BC413492  Persicaria amphibia Elmer I. Applegate 1923-8-19 3892 Siskiyou Medicine Lake Comment
  CAS-BOT-BC413737  Persicaria hydropiper Louis C. Wheeler 1934-9-20 3287 Siskiyou Lumgrey Creek, Siskiyou Mts. 670 Comment
  HSC77342  Phacelia corymbosa L. P. Janeway 1983-7-4 383 Siskiyou Near top of Little Grayback Mtn. 1860 Comment
  JEPS2095  Phacelia glandulifera W. L. Jepson 1940-6-23 20001 Siskiyou e Mayten (e side of valley); Little Shasta Valley 883 Comment
  HSC49958  Phacelia greenei G. L. Clifton, Ground 1978-6-13 1001 Siskiyou Near Forest House, close to the town of Yreka 1037 Comment
  HSC75158  Phacelia greenei Unknown Siskiyou 1433 Comment
  POM311047  Phacelia greenei Lincoln Constance, JF Davidson, J. M. Tucker 1947-5-17 s.n. Siskiyou Summit of NW spur of Scott Mountain. 1829 Comment
  RSA47790  Phacelia greenei Roxana S. Ferris, Laura Lorraine 1948-6-12 11718 Siskiyou Schoolhouse Hill, Plowman s Valley [Noyes Valley], East Fork of Scott River Comment
  CHSC70133  Phacelia hastata subsp. compacta Jennifer Whipple 1976-7-2 1268 Siskiyou Klamath Mountains. Mount Eddy. Dobkins Lake drainage on east facing slopes above Dobkins Lake. 2316 Comment
  UC642520  Phacelia hastata subsp. compacta W. B. Cooke 1940-8-22 15477 Siskiyou Mud Creek Canyon Mount Shasta (along w rim) Comment
  CHSC71303  Phacelia hastata subsp. hastata Vernon H. Oswald; Lowell Ahart 1998-6-11 9181 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
  SEINET11263923  Phacelia hastata subsp. hastata Lowell Ahart, Vernon H. Oswald 1994-8-10 6449 Siskiyou Pilgrim Creek Road (FS13) at the railroad crossing 0.9 miles N of Hwy 89, ca 3 air miles ENE of McCloud.; 0 Comment
  RSA170220  Phacelia heterophylla subsp. virgata W. L. Jepson 1940-6-23 19983 Siskiyou Two miles east of Montague. 823 Comment
  RSA582232  Phacelia heterophylla var. virgata Louis C. Wheeler 1935-6-9 3567 .5 Siskiyou Yreka Creek. Siskiyou Mtns. (Mt Diablo Mer.) 1220 Comment
  RSA695873  Phacelia linearis D. W. Taylor 1995-6-4 14969 Siskiyou Three miles west of Highway 89 on Grenada Road; Shasta Valley; Klamath National Forest; (ca. ten miles north of Weed). 1159 Comment
  RSA74334  Phacelia linearis Milo S. Baker 1936-6-12 8282 Siskiyou Highway 97, about 42 miles north of Weed. Comment
  UCD18940  Phacelia mutabilis A. H. Murphy 1953-7-28 KNF 6 Siskiyou Klamath National Forest, Long Gulch Camp. 1889 Comment
  UCD77216  Phacelia mutabilis Robert E. Preston 2001-7-21 1741 Siskiyou Klamath National Forest, Rainbow Mountain, T42N R1W sw 1/4 of ne 1/4 Section 22 2255 Comment
  UC1400325  Phacelia pringlei F. W. Oettinger 1969-7-25 Siskiyou near Kangaroo Lake Campground (ca 15 air mi sw of Weed); Shasta-Trinity National Forest, Scott Mts. Comment
  HSC79335  Philadelphus californicus D. H. Norris 1970-5-23 12239 Siskiyou Along Klamath River at Ishi Pishi Bridge near Somes Bar Comment
  CHSC75734  Philadelphus lewisii Vernon H. Oswald; Lowell Ahart 1999-7-5 9799 Siskiyou Gazelle-Callahan Hwy, 9.0 mi west of Gazelle. 914 Comment
  UCR17259  Philadelphus lewisii subsp. californicus Frank C. Vasek 1975-6-29 750629- 04 Siskiyou 5.4 mi SW of Gazelle Comment
  RSA105397  Phleum pratense G. D. Barbe 1955-7-5 109 Siskiyou At Greenview city limit on Highway to Fort Jones; Klamath Mountains 884 Comment
  RSA239100  Phleum pratense Frederick W. Oettinger 1968-9-5 738 Siskiyou Bear Meadow, Tom's Lake region. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2188 Comment
  UC682099  Phlox adsurgens G. L. Stebbins Jr. with A. A. Beetle 1942-6-1 3268 Siskiyou 15 mi n Happy Camp (above Indian Creek) 1219 Comment
  HSC27689  Phlox adsurgens Carl W. Mize 1972-6-8 39 Siskiyou Along main trail 1/2 mi. before Deer Lick Creek 396 Comment
  HSC99790  Phlox diffusa G. L. Clifton, Griswold 1979-6-28 6110 Siskiyou Near Upper Devils Peak, close to the town of Seiad Valley 1738 Comment
  SBBG6052  Phlox diffusa H. and M. Dearing 1939-7-1 3789 Siskiyou Salmon Mtn 1828 Comment
  CAS-BOT-BC94939  Phlox diffusa R. C. Wenk 2005-7-15 239 Siskiyou Trinity Alps above South Fork of the Salmon River, along the Yellow Rose Mine 2042 Comment
  UC1540131  Phlox gracilis Dean W. Taylor 1987-6-26 9078 Siskiyou 2 mi se Medicine Lake; Paynes Springs 1996 Comment
  RSA469941  Phlox speciosa subsp. nitida J. P. Smith 1973-5-5 6546 Siskiyou Scott Bar along the Scott River. Comment
  RSA120759  Phlox speciosa subsp. occidentalis S. S. Tillett 1956-7-9 635 Siskiyou Scott Mtn, Siskiyou Trinity County line, 8 miles SE of Callahan. 2073 Comment
  UC163855  Phlox speciosa subsp. occidentalis Geo. D. Butler 1910-4-15 1175 Siskiyou Yreka Comment
  RSA259573  Phlox speciosa subsp. occidentalis J. P. Smith 1974-5-25 7502 Siskiyou Along road 8, 2.4 miles west of its junction with State Route 3. 976 Comment
  POM94716  Phoenicaulis cheiranthoides Geo. D. Butler 1296 Siskiyou Dry hills near Yreka. Comment
  JEPS24013  Phoradendron villosum Rimo Bacigalupi with Drs. Reino and Aloha Alava 1958-9-3 6874 Siskiyou at bridge over Ash Creek Klamath R. canyon (2 mi. w. of junction of State Hwy. 96 with U.S. Hwy. 99 (at mouth of Shasta R.)) 563 Comment
  CAS-BOT-BC56492  Phyllodoce empetriformis Doris K. Kildale 1928-8-19 6581 Siskiyou Hancock Lake, on trail to Marble Mt. 2133 Comment
  HSC29627  Phyllodoce empetriformis Frederick W. Oettinger 1967-7-8 164 Siskiyou Marble Mountain Wilderness Area, High Lake Basins, near Big Blue Lake 2104 Comment
  HSC65352  Phyllodoce empetriformis Rich White 1978-7-3 211 Siskiyou Saddle in Spur Ridge between Dillon Trail and 5759 1662 Comment
  HSC69509  Phyllodoce empetriformis John Palmer 1980-7-24 656 Siskiyou Dillon Divide 1707 Comment
  HSC96364  Phyllodoce empetriformis Gordon Leppig, Tony LaBanca, Leonel Arguello 1997-6-27 496 Siskiyou Klamath National Forest, Russian Wilderness, Little Duck Lake Fen 2200 Comment
  POM131811  Phyllodoce empetriformis E. B. Copeland 1902-8-18 3899 Siskiyou Mt. Eddy 2591 Comment
  POM77480  Phyllodoce empetriformis Geo D. Butler 1910-7-8 1686 Siskiyou Shackleford Creek. 1829 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-BC60759  Physaria occidentalis Geo. D. Butler 1909-4-24 588 Siskiyou Cherry Creek. Comment
  CAS-BOT-BC210239  Physaria occidentalis subsp. occidentalis Dana York 2011-8-12 3040 Siskiyou Marble Mountain Wilderness. Klamath National Forest, Marble Mountain 2075 Comment
  HSC91033  Physaria occidentalis subsp. occidentalis Jennifer Whipple 1976-6-12 982 Siskiyou S face of Mt. Eddy draining into the N Fork of the Sacramento River 2195 Comment
  SFV1495  Physaria occidentalis subsp. occidentalis D. Parker 1952-4-27 213 Siskiyou East Fork of the Scott River. 1220 Comment
  UC1045315  Physocarpus capitatus W. Bridge Cooke 1940-7-12 15315 Siskiyou in Box Canyon of the Sacramento near Mt Shasta City Comment
  UC555305  Physocarpus capitatus D. Tebbe 1929-7-15 117 Siskiyou Mt Eddy Comment
  CAS-BOT-BC78170  Picea breweriana Marion Ownbey; Fred G. Meyer 1940-7-6 2205 Siskiyou Summit of Cayenne Ridge on west side, Marble Mountain Comment
  JEPS48369  Picea breweriana W. L. Jepson 1907-7-19 2949 Siskiyou Head of Indian Creek Siskiyou Mts., Head of Indian Creek Comment
  JEPS8480  Picea breweriana Rimo Bacigalupi with J. P. Tracy, L. Constance, R. Moran, R. L. Rodriguez, and S. Carlquist 1951-6-16 3453 Siskiyou about 1.5 mi below and se saddle at summit of Takilma - Happy Camp road Comment
  POM193628  Picea breweriana Patricia Bennett 1928-7-11 s.n. Siskiyou Salmon Mountains; head of No Nothing Creek. Comment
  RSA31097  Picea breweriana L. E. Berriman 1940-9-17 s.n. Siskiyou Sugar Creek, a tributary of the Scott River, NW of Callahan. Mount Diablo Meridian. 1433 Comment
  UC813169  Picea breweriana John Thomas Howell 1937-7-24 13413 Siskiyou Caribou Basin Salmon-Trinity Alps, Caribou Basin 1981 Comment
  CAS-BOT-BC73389  Pinus albicaulis Geo. B. Grant 1902-9-8 s.n. Siskiyou Horse Camp, Mt. Shasta Comment
  HSC103156  Pinus albicaulis Michael Kauffmann 2013-8-7 18 Siskiyou South China Mountain 2395 Comment
  RSA105393  Pinus albicaulis G. D. Barbe 1955-8-5 360 Siskiyou Growing along a ridge NW of the summit of Caribou Mtn in the Salmon Mtns. 2409 Comment
  CAS-BOT-BC78326  Pinus attenuata John Thomas Howell 1937-7-27 13571 Siskiyou Salmon River near Big Flat 1524 Comment
  UCR163509  Pinus attenuata David A. Charlet, T. Charlet 1996-12-15 2350 Siskiyou Mt. Shasta: lower south slopes along Hwy 89, from a few mi east of McCloud to a few mi west of Bartle Comment
Read comments
Apr 26 2008
  UC1349434  Pinus attenuata H. Bowerman 1942-11-7 8676 A Siskiyou e slope of dry ridge Siskiyou National Forest Comment
  CAS-BOT-BC73310  Pinus balfouriana Alice Eastwood 1912-8-30 s.n. Siskiyou Mount Eddy Comment
  CAS-BOT-BC78404  Pinus balfouriana W. R. Dudley 1905-8-4 s.n. Siskiyou slope of Mt. Eddy Comment
  CAS-BOT-BC78407  Pinus balfouriana W. R. Dudley 1899-8-26 s.n. Siskiyou Eddy Mt. Comment
  HSC1411  Pinus balfouriana R. J. Mastrogiuseppe 1967-7-21 Siskiyou Ridge above Yellow Rose and Dorleska Mine, Bulk Collection # 92 2058 Comment
  RSA237207  Pinus lambertiana Frederick W. Oettinger 1967-8-26 329 Siskiyou Southeast of English Peak. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2226 Comment
  UC1190124  Pinus lambertiana Ira L. Wiggins 1955-7-24 13496 Siskiyou ridge between upper reaches of China Creek and Blind Horse Creek 1645 Comment
  CAS-BOT-BC78951  Pinus monticola Louis C. Wheeler 1934-8-26 3222 Siskiyou Trapper Creek, Siskiyou Mts. 1859 Comment
  CAS-BOT-BC78963  Pinus monticola W. R. Dudley 1899-8-24 s.n. Siskiyou Craggy Peak Comment
  HSC69037  Pinus monticola Maralyn A. Renner 1980-8-7 2368 Siskiyou Ridge just E of saddle, S of Rattlesnake Meadow 1799 Comment
  HSC69222  Pinus monticola Maralyn A. Renner 1980-8-31 2622 Siskiyou Twin Valley. 1494 Comment
  MACF017437  Pinus monticola Trudy R. Ericson 1974-8-9 225 Siskiyou Hwy 33 between Cecilville and Callahan, approx. 9.4 mi. west of intersection of forest hwy and Ca. 33 Comment
  HSC67814  Pinus ponderosa J. O. Sawyer, J. Cole 1980-7-20 3789 Siskiyou S of Grouse Hill, at N base of Badger Peak 2146 Comment
  UC375221  Piperia leptopetala Geo. D. Butler 1910-6-17 1604 Siskiyou near Yreka Comment
  CAS-BOT-BC231004  Plagiobothrys hispidulus Alice Eastwood 1921-7-24 10737 Siskiyou Castle Lake Comment
  CAS-BOT-BC231006  Plagiobothrys hispidulus A. A. Heller 1919-6-25 13264 Siskiyou Compton's prairie, N base of Mount Eddy 1158 Comment
  SD61055  Plagiobothrys hispidus D. F. Howe 1964-8-5 3941 Siskiyou 3.7 mi. so. Of no. entrance to Klamouth Nat. Forest on #97. 1584 Comment
  POM72151  Plagiobothrys nothofulvus Geo. D. Butler 1909-4-4 585 Siskiyou Yreka Comment
  RSA45315  Plagiobothrys tenellus Dorothy Parker 1946-6-6 s.n. Siskiyou Plowman s Valley 1128 Comment
  JEPS107650  Plantago eriopoda Lowell Ahart, John Dittes 2005-6-10 12104 Siskiyou Steep springy sloper, 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
  RSA715775  Plantago eriopoda L. Ahart, John Dittes 2005-6-10 12104 Siskiyou 30 yards E of the Shasta River, near the south fence, 100 yards S of the pump house along the Shasta River, about 1.9 air miles S of highway 99/97 cutoff, about 6 air miles ESE of Grenada. 777 Comment
  UC642563  Plantago lanceolata unknown 1939-7-7 13585 Siskiyou Bear Springs Mount Shasta Comment
  RSA240062  Plantago major Frederick W. Oettinger 1969-8-12 1341 Siskiyou Near Abbott's Lower Cabin. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 945 Comment
  RSA237637  Platanthera Frederick W. Oettinger 1969-8-8 1287 Siskiyou Sundew Bog near English Lake. Salmon Mtns; High Lake Basins in the vicinity of English Peak; Marble Mountain Wilderness Area. 1829 Comment
  UCSB51239  Platanthera dilatata Almanza, Ed 1976-7-14 Siskiyou at lakeside spring; Northwest bank; Castle Lake 2407 Comment
  HSC21997  Platanthera dilatata var. leucostachys J. O. Sawyer 1969-8-5 1763 Siskiyou W of Little Duck Lake 2073 Comment
  HSC22310  Platanthera dilatata var. leucostachys J. O. Sawyer 1969-7-26 1584 Siskiyou SE facing slope near S Sugar Creek 1700 Comment
  HSC61884  Platanthera dilatata var. leucostachys Ruby Van Deventer 27 Jul [year missing] Siskiyou Poker Flat 1585 Comment
  SD104886  Platanthera dilatata var. leucostachys Darley F. Howe 1979-6-25 51 Siskiyou 17.8 miles southeast of Somes Bar. Comment
  HSC483  Platanthera sparsiflora William J. Ferlatte 1967-7-9 685 Siskiyou Kidd Creek Trail 1890 Comment
  UC1045261  Platanthera sparsiflora W. Bridge Cooke 1940-7-7 15277 Siskiyou Wagon Camp Mount Shasta 1737 Comment
  HSC77276  Platanthera sparsiflora L. P. Janeway 1983-8-13 530 Siskiyou S side and above S Fork Indian Creek. 1433 Comment
  UC416747  Plectritis ciliosa subsp. ciliosa F. W. Hooper 18 Siskiyou Little Shasta Comment
  HSC68317  Plectritis congesta J. P. Smith 1973-5-5 6519 Siskiyou Scott Bar along the Scott River Comment
  RSA240083  Pleuricospora fimbriolata Frederick W. Oettinger 1969-8-23 1514 Siskiyou On hill above Smith Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. Comment
  CAS-BOT-BC261055  Poa John Thomas Howell; T. C. Fuller; G. D. Barbe 1980-4-29 53431 A Siskiyou Along East Fork Scott River 2 miles east of Callahan on road to Gazelle 990 Comment
  CAS-BOT-BC261069  Poa Doris K. Kildale 1929-7-20 8589 Siskiyou Southeast spur of Preston Peak 1950 Comment
  UCD150812  Poa Collector Unknown 1948-8-2 s.n. Siskiyou Siskiyou County, Mt. Shasta, Panther meadow. 2438 Comment
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Feb 4 2016
  UCD92173  Poa A. A. Beetle; G. L. Stebbins 1942-6-1 3449 Siskiyou 25 miles north of Happy Camp. Comment
  CAS-BOT-BC254779  Poa bolanderi John Thomas Howell 1939-8-9 15218 Siskiyou Sky High Valley, Marble Mountains 1828 Comment
  HSC10640  Poa bolanderi J. T. Howell 1939-8-9 15218 Siskiyou Sky High Valley. 1829 Comment
  UC820697  Poa bulbosa Louis C. Wheeler 1935-6-1 3536 Siskiyou Yreka Creek; Siskiyou Mts 853 Comment
  JEPS72963  Poa compressa W. L. Jepson 1940-7-3 20104 Siskiyou 5 mi se Bartle (Big Bear Flat) 1219 Comment
  CDA2365  Poa pratensis G. D. Barbe, J. T. Howell, T. C. Fuller 1980-4-29 2627 Siskiyou 0.4 km northeast of Oro Fino. Comment
  JEPS81692  Poa pringlei L. R. Heckard 1967-8-13 1710 Siskiyou e flank Mt Eddy (just below summit fell-field) 2727 Comment
  POM198428  Poa secunda Geo D. Butler 1910-7-12 1749 Siskiyou Shackleford Creek 1220 Comment
  UCD90333  Poa secunda A. A. Beetle; G. L. Stebbins Jr. 1942-5-31 3590 Siskiyou Shasta Valley. 6 miles N of Gazelle. Comment
  CAS-BOT-BC243214  Poa secunda subsp. secunda John Thomas Howell 1939-8-2 14912 Siskiyou Spirit Lake, Marble Mountains 1828 Comment
  CAS-BOT-BC243216  Poa secunda subsp. secunda John Thomas Howell 1937-7-24 13403 Siskiyou Caribou Basin, Salmon-Trinity Alps 2286 Comment
  HSC43815  Poa secunda subsp. secunda M. A. Baker 1977-5-22 326 Siskiyou N facing slope of hill just S of Whipple Ranch 976 Comment
  HSC77119  Poa secunda subsp. secunda K. T. Stillman 1976-6-25 98 Siskiyou Marble Mtn. Wilderness Area, between Marble Gap and Elk Valley Trail Comment
  UC1132850  Poa secunda subsp. secunda M. H. Mitchell 1936-5-8 4 Siskiyou base of Schonchin Butte; Modoc Lava Beds Nat'l Monument, Dorris Quadrangle Comment
  UC144644  Poa secunda subsp. secunda A. A. Heller 1905-6-9 8007 Siskiyou Montague Comment
  UC820882  Poa secunda subsp. secunda Louis C. Wheeler 1934-8-9 3076 Siskiyou head Jaynes Canyon; Siskiyou Mts 1920 Comment
  UCD23603  Poa secunda subsp. secunda Geo. D. Butler 1910-4-30 1250 Siskiyou Yreka. Comment
  UC1190249  Polemonium californicum Ira L. Wiggins 1955-7-29 13573 Siskiyou n-facing slope between Caribou Lake and Pass to Thompson Creek; btw Caribou Lake and Pass to Thompson Creek 1956 Comment
  CAS-BOT-BC232873  Polemonium carneum Thos. Howell 1888-5-1 s.n. Siskiyou Hornbrook Comment
  CAS-BOT-BC232900  Polemonium carneum Geo. D. Butler 1910-5-15 1344 Siskiyou McAdams Creek Comment
  SEINET3163792  Polemonium carneum G. D. Butler 1910-5-15 1344 Siskiyou McAdams Creek Comment
  CAS-BOT-BC6419  Polemonium pulcherrimum Edwin Bingham Copeland 1903-7-16 s.n. Siskiyou Mt. Shasta 3169 Comment
  POM278329  Polygala californica Lyman Benson 1933-8-9 5679 Siskiyou U.S. 99, Mt. Shasta City, Cascade Mountain range, Sacramento River watershed 915 Comment
  UCD37089  Polygala californica Beecher Crampton 1956-8-21 3846 Siskiyou canyon of Sacramento River, just above junction of river's north fork with middle and south forks. 1066 Comment
  HSC35801  Polygala cornuta J. O. Sawyer 1969-9-18 2389 Siskiyou Midslope above CCC Rd. 1494 Comment
  CAS-BOT-BC414314  Polygonum aviculare subsp. neglectum Geo. D. Butler 1908-8-28 190 Siskiyou Old mining dump near Oro Fino Comment
  RSA237748  Polygonum bistortoides Frederick W. Oettinger 1968-8-8 446 Siskiyou Slope dropping down to upper English Lake near trail 'Y' to English Peak. Salmon Mtns. High Lake Basin in the vicinity of English Peak. Marble Mtn Wilderness Area. Comment
  CAS-BOT-BC414395  Polygonum californicum Louis C. Wheeler 1934-6-21 2747 Siskiyou West Fork Cottonwood Creek, Siskiyou Mts. 1005 Comment
  UC163658  Polygonum davisiae Geo. D. Butler 1910-7-8 1677 Siskiyou Shackleford Creek 1828 Comment
  CAS-BOT-BC414587  Polygonum douglasii Wm. Bridge Cooke 1938-8-5 11447 Siskiyou Mount Shasta. MacBride Springs Comment
  RSA237762  Polygonum kelloggii Frederick W. Oettinger 1967-8-7 1264 Siskiyou English Lake Meadows. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1829 Comment
  UC1101160  Polygonum lapathifolium Verne Grant and Irving Schneider 1947-8-25 8278 Siskiyou Tule Lake; w side Comment
  HSC93007  Polygonum minimum Jennifer Whipple 1977-8-6 2230 Siskiyou Dale Creek drainage on the N face of Mt. Eddy 2195 Comment
  CAS-BOT-BC418588  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
  SEINET10733869  Polygonum newberryi Andrew Townesmith, Karen M. Meyer 2007-7-30 Townesmith 871 Siskiyou Shasta-Trinity National Forest. At the upper end of county road A10, mile 13.8 (from beginning of road in Mount Shasta City, 12.7 miles from National Forest boundary sign). Highest vehicle accessible point on Mount Shasta. T41N R3W S33 NW 1/4. 2399 Comment
  SDSU9659  Polygonum phytolaccifolium D. F. Howe 1965-8-8 4127 Siskiyou Saddle south of Little Grayback, Klamath National Forest. 1402 Comment
  UC1409209  Polygonum sawatchense subsp. oblivium Frederick W. Oettinger 1968-8-11 471 Siskiyou Tom Taylor Cabin Salmon Mountains, Marble Mountain Wilderness Area (ne side creek bed, w Siskiyou Co.) 2042 Comment
  UCD100907  Polygonum shastense R. Tofsrud; J. M. Tucker 1948-8-2 1765 Siskiyou Panther Meadow, south slope of Mt. Shasta. 2407 Comment
  CAS-BOT-BC421082  Polygonum spergulariiforme John Thomas Howell 1937-7-21 13159 Siskiyou South Fork of Salmon River near Big Flat 1524 Comment
  SEINET3404066 Image available Polygonum spergulariiforme Rimo Bacigalupi, Lincoln Constance 1959-6-17 7160 Siskiyou 4 mi NW of Weed, along US Hwy 99 Comment
  SEINET4335277  Polygonum spergulariiforme G. D. Butler 1910-6-20 1593 Siskiyou Yreka Comment
  CAS-BOT-BC71836  Polypodium californicum Edward Lee 1934-8-13 1056 Siskiyou Indian Creek, 4 miles north of Happy Camp, Klamath National Forest 411 Comment
  UC637168  Polypodium calirhiza Edward Lee 1934-8-13 1056 Siskiyou 4 mi n Happy Camp (Indian Creek); Klamath Nat'l Forest 411 Comment
  CAS-BOT-BC233037  Polypogon interruptus Doris K. Kildale 1928-7-25 5894 Siskiyou Klamath River, Mack's Creek, near Hamburg Comment
  HSC18929  Polystichum imbricans J. O. Sawyer 1969-6-11 843 Siskiyou Above C.C.C. road. 1287 Comment
  HSC19290  Polystichum imbricans subsp. imbricans J. O. Sawyer 1968-9-9 653 Siskiyou Ridges S of Cyclone Gap 1738 Comment
  UC1483404  Polystichum imbricans subsp. imbricans John Palmer 1980-8-12 683 Siskiyou se of Wards Gap; Klamath Nat'l Forest, Condry Mt. Quadrangle 1188 Comment
  UC185244  Polystichum imbricans subsp. imbricans Geo. D. Butler 1910-7-9 1693 Siskiyou Shackleford Creek 1219 Comment
  CAS-BOT-BC76730  Polystichum imbricans subsp. imbricans J. H. Thomas; H. A. Thomas 1954-7-27 4557 Siskiyou Salmon - Trinity Mts. - about 6 miles SE of Cecilville, along south Fork of Salmon River. 914 Comment
  CAS-BOT-BC76773  Polystichum imbricans subsp. imbricans E. L. H. Knoche 1890-5-31 s.n. Siskiyou Moshrae Falls, Sacramento River Comment
  HSC29355  Polystichum imbricans subsp. imbricans Frederick W. Oettinger 1968-9-8 777 Siskiyou Due N of the English Lake Outlet 1784 Comment
  UC197929  Polystichum lemmonii J. G. Lemmon and wife 1879-1 Siskiyou Mt. Shasta [This site is unlikely to be on Mount Shasta since there is no serpentine on the higher slopes of the mountain] Comment
Read comments
Jul 5 2012
  UC338378  Polystichum lemmonii unknown Siskiyou Mt. Eddy near Shasta Mt. Eddy Comment
  RSA602827  Polystichum lemmonii L. C. Wheeler 1958-8-20 7411 Siskiyou Siskiyou Mountains. Red Butte, southeast side. 1737 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
  HSC75255  Polystichum lonchitis J. O. Sawyer, M. Mesler 1980-8-13 4049 Siskiyou E of Pacific Crest Trail at Black Marble Mtn. 1921 Comment
  UC1334021  Polystichum lonchitis Dorothy Parker 336 Siskiyou above Paradise Lake; Siskiyou Mts., Salmon Mt. 1981 Comment
  SJSU6266  Polystichum munitum R. W. Trivelpiece 1971-8-23 75 Siskiyou W side of Scott River c. 6 mi SW of Scott Bar, Marble Mts. 914 Comment
  CAS-BOT-BC72511  Polystichum scopulinum Louis C. Wheeler 1934-8-6 3059 Siskiyou Klamath National Forest, Rock Gulch 1828 Comment
  CAS-BOT-BC102953  Populus trichocarpa John Thomas Howell; T. C. Fuller; G. D. Barbe 1980-4-29 53413 Siskiyou Oro Fino 853 Comment
  HSC2240  Populus trichocarpa Geo. D. Butler 1910-4-16 1177 Siskiyou Yreka Creek Comment
  UC1099856  Potamogeton gramineus Calvin McMillan, Malcolm A. Nobs 1949-6-17 801 Siskiyou Grass Lake, Highway 97 Grass Lake Comment
  JEPS41326  Potentilla breweri Ruby Van Deventer 1938-7-31 72 Siskiyou s Little Greyback Mountains (Poker Flat); s of Little Greyback Mountains, Poker Flat 1524 Comment
  UC1607562  Potentilla breweri Barbara Ertter with Julie Kierstead and Jim Nelson 1990-7-15 9360 Siskiyou Morgan Meadow on E side of Mt Eddy ca 5 air miles due W of Mt. Shasta City. 1676 Comment
  HSC44969  Potentilla drummondii J. O. Sawyer 1978-6-20 3270 Siskiyou Marble Mtn. Wilderness Area, Hamilton Camp 1829 Comment
  JEPS82728  Potentilla drummondii Wayne Roderick 1983-7-10 Siskiyou Doe Flat near the Del Norte County line; Doe Flat 1143 Comment
  UC375272  Potentilla flabellifolia Geo. D. Butler 1908-8-8 357 Siskiyou Marble Valley Comment
  HSC64680  Potentilla flabellifolia J. O. Sawyer 1977-7-7 3039 Siskiyou Above Josephine Lake 2134 Comment
  RSA507455  Potentilla glandulosa 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
  UCR64578  Potentilla gracilis William J. Ferlatte 1966-8-3 260 Siskiyou Mountain Meadow Ranch, weedy area around buildings 1524 Comment
  HSC77100  Potentilla gracilis var. fastigiata K. T. Stillman 1976-7-30 338 Siskiyou Marble Mountain Wilderness Area, Elk Valley Comment
  RSA119332  Potentilla gracilis var. fastigiata S. S. Tillett 1956-7-11 684 Siskiyou Meadows on both sides of Scott Mtn. divide, near campground; Siskiyou-Trinity cos. line, about 8 miles SE of Callahan 1616 Comment
  UC454983  Potentilla gracilis var. fastigiata I. J. Condit 1909-8-23 Siskiyou near Sisson; Castle Lake, near Sisson 1828 Comment
  CAS-BOT-BC540549  Potentilla gracilis var. fastigiata Wm. Bridge Cooke 1939-7-7 13591 Siskiyou Bear Springs, Mount Shasta 1524 Comment
  CAS-BOT-BC540574  Potentilla gracilis var. fastigiata Alice Eastwood; John Thomas Howell 1936-6-13 2754 Siskiyou 6 miles north of Weed 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
  UC1368673  Potentilla recta W. B. and V. G. Cooke 1968-7-1 39229 Siskiyou in cleared area in highway equipment turnout Jct. US 97 and Andesite Road 1524 Comment
  CHSC88110  Poteridium annuum Jenny Marr 1993-7-1 120 Siskiyou Butte Valley Wildlife Area, +/- 7 air miles NW of the town of MacDoel. Meadow NW of Meiss Lake. 1349 Comment
  JEPS74495  Primula suffrutescens W. J. Ferlatte 1966-8-5 354 Siskiyou Caribou Mtn.; Trinity Alps, Caribou Mtn. 2468 Comment
  HSC27972  Prosartes hookeri Carl W. Mize 1972-9-23 111 Siskiyou Along Steinacher Creek Rd. 762 Comment
  CAS-BOT-BC516392  Prosartes hookeri Roxana S. Ferris; Laura Lorraine 1948-6-12 11750 Siskiyou French Creek Logging Road west of Callahan 1219 Comment
  JEPS62506  Prunella vulgaris var. lanceolata W. L. Jepson Aug. 1894 14898 Siskiyou near Sisson; near Sisson Comment
  CAS-BOT-BC158211  Prunus emarginata John Thomas Howell 1939-8-4 15029 Siskiyou Between Elk Mt. and Marble River, Marble Mts. Comment
  HSC18926  Prunus emarginata J. O. Sawyer 1969-8-1 1664 Siskiyou SE facing slope above Duck Lake Creek 1951 Comment
  POM89362  Prunus emarginata Edward Palmer 1892-7-13 2564 Siskiyou Mount Shasta and vicinity Comment
  RSA3387  Prunus emarginata Carl B. Wolf 1931-9-1 1260 Siskiyou 0.25 miles North of entrance to Shasta Springs 915 Comment
  UC166615  Prunus emarginata Geo. D. Butler 1908-8-26 537 Siskiyou Salmon Mountain Comment
  UCD77961  Prunus emarginata Robert E. Preston 2001-6-30 1652 Siskiyou Klamath National Forest, north slope of Rainbow Mountain, T42N R1W nw 1/4 of se 1/4 Section 14 1889 Comment
  UC1368677  Prunus persica W. B. and V. G. Cooke 1968-7-4 39264 Siskiyou Mount Shasta, along Everett Memorial Hwy Mount Shasta 1310 Comment
  CAS-BOT-BC151243  Prunus virginiana var. demissa Elmer I. Applegate 1935-6-10 9483 Siskiyou Caldwell Butte, Lave Beds National Monument Comment
  HSC18834  Prunus virginiana var. demissa D. M. Thomson 1965-7-10 134 Siskiyou Lava Beds N.M., 0.5 mi. S on main rd. from information center Comment
  JEPS80524  Prunus virginiana var. demissa Gilbert Muth 1966-7-17 411 Siskiyou Marble, s of camp, Marble Mountain Wilderness Area Marble Mountain Wilderness Area; Marble, Marble Mountain Wilderness Area 1792 Comment
  RSA184747  Prunus virginiana var. demissa Gilbert Muth 1966-7-17 411 Siskiyou Marble S of camp. Marble Mtns. 1793 Comment
  UC375375  Prunus virginiana var. demissa Geo. D. Butler Jul 14 1908-May 16 1909 1047 Siskiyou near Yreka Comment
  UC618858  Prunus virginiana var. demissa W. Bridge Cooke 1939-8-5 11443 Siskiyou Mount Shasta, MacBride Springs MacBride Springs; Mount Shasta, MacBride Springs 1524 Comment
  CAS-BOT-BC356386  Pseudognaphalium beneolens Geo. B. Grant 1902-9-6 5075 Siskiyou Sisson Comment
  JEPS25881  Pseudognaphalium stramineum Rimo Bacigalupi with L. Constance and L. Heckard 1960-7-21 7479 Siskiyou 4 mi above Oak Bottom guard station ((or 5 mi above and se of Somes Bar)); Salmon River gorge 274 Comment
  CAS-BOT-BC239819  Pseudoroegneria spicata Elmer I. Applegate 1935-6-5 9317 Siskiyou Capt. Jack's Stronghold, Lava Beds National Monument Comment
  POM161561  Pseudoroegneria spicata subsp. spicata Geo D. Butler 1910-7-3 1626 Siskiyou Goose nest foothills 1220 Comment
  RSA789820  Pseudostellaria jamesiana Rebecca Wenk 2005-7-16 257 Siskiyou Trinity Alps, South Fork of the Salmon River. South end of Big Flat Meadow. 1494 Comment
  LA6346  Pseudotsuga menziesii var. menziesii Louis C. Wheeler; 1934-9-4 3243 Siskiyou Siskiyou Mountains, Bear Creek off W. Fork Beaver Creek 1371 Comment
  JEPS24801  Psilocarphus brevissimus var. brevissimus Rimo Bacigalupi with Drs. Reino and Aloha Alava 1958-9-2 6810 Siskiyou about 3 mi nw Weed (head of Shasta Valley); Shasta Valley 975 Comment
  JEPS60239  Psilocarphus brevissimus var. brevissimus L. R. Heckard with L. Constance and R. Ornduff 1969-6-24 2299 Siskiyou 0.8 mi s Bray junction (on U. S. Highway 97); Murphy Wells 1493 Comment
  CHSC57  Pteridium aquilinum var. pubescens V. Holt 1932-7-19 Siskiyou Spring Hill. 1219 Comment
  HSC69498  Pteridium aquilinum var. pubescens John S. Palmer 1980-8-12 738 Siskiyou Road to Bearground Spring from Beaver Creek Rd. 1341 Comment
  UC399468  Pteridium aquilinum var. pubescens Geo. D. Butler 1910-6-6 1462 Siskiyou Quartz Valley Quartz Valley Comment
  UC1408847  Pteridium aquilinum var. pubescens Frederick W. Oettinger 1968-8-14 513 Siskiyou vicinity of English Peak, Marble Mountain Wilderness Area; 0.1 mi e. of Tom Taylor Cabin Comment
  JEPS82432  Pterospora andromedea Gilbert Muth 1966-7-29 464 Siskiyou Marble Valley Marble Mt. Wilderness Area (by waterfall) 1828 Comment
  UC456177  Pterospora andromedea I. J. Condit 1909-8-23 Siskiyou Sisson 1524 Comment
  CAS-BOT-BC460552  Pterospora andromedea Gilbert Muth 1966-7-29 464 Siskiyou Marble Valley, by waterfall, Marble Mts. 1828 Comment
  UCD22430  Purshia tridentata Brian Vanden Heuvel 2003-4-10 191 Siskiyou Shasta National Forest. 1.6 miles east of McCloud on CA 89, on south side of road. Comment
  CAS-BOT-BC147902  Purshia tridentata var. tridentata Carl B. Wolf 1927-8-26 1033 Siskiyou On the Klamath River, 5 mi. below Hornbrook Comment
  CAS-BOT-BC147908  Purshia tridentata var. tridentata G. P. Rixford s.n. Siskiyou South side of Shaft Rock, Mt. Hilt Comment
  HSC19589  Purshia tridentata var. tridentata D. M. Thomson 1965-6-11 76 Siskiyou Lava Beds National Monument, Tichnor Rd. 1.0 mi. from Medicine Lake Rd. Comment
  HSC99683  Purshia tridentata var. tridentata C. B. Wolf 1927-8-26 1033 Siskiyou Klamath River, 5 mi. below Hornbrook Comment
  UC30131  Purshia tridentata var. tridentata W. C. Blasdale 1894-7-31 Siskiyou Sisson Comment
  UC25274  Pycnanthemum californicum W. H. Brewer 1862-9-7 1355 Siskiyou Upper Sacramento Ferry Camp 96; Upper Sacramento Ferry Comment
  SEINET8404856  Pyrola aphylla L. E. Detling 1947-6-3 6047 Siskiyou Happy Camp, Klamath Nat'l. Forest. 335 Comment
  CAS-BOT-BC465505  Pyrola asarifolia W. R. Dudley 1899-8-15 s.n. Siskiyou Black Fox Mountains Comment
  RSA240092  Pyrola californica Frederick W. Oettinger 1969-8-9 1322 Siskiyou At the stream crossing that is crossed approx. 0.6 mi. before the last crossing of the North Fork River en route up to Abbotts Upper Cabin on the main trail. The Salmon Mountains. High Lake Basins in the vicinity of English Peak., Marble Mountain Wilderness Area. 1357 Comment
  UCD13255  Pyrola dentata K. F. Mawdsley 1996-7-9 7 Siskiyou California, Siskiyou County, Russian Wilderness in Klamath National Forest. From Eaton-Duck Lakes Trailhead. T40N, R9W, southwest 1/4 of Section 18, Eaton Peak 7.5' topo. Elev. 5800. Comment
  UC141181  Pyrola picta Dr. E. B. Copeland 1903-8-16 3921 Siskiyou Mt. Shasta 1828 Comment
  CAS-BOT-BC466126  Pyrola picta Elmer I. Applegate 1896-5-29 940 Siskiyou Sisson Comment
  CAS-BOT-BC466129  Pyrola picta Alice Eastwood 1921-7-24 10800 Siskiyou Castle Lake Comment
  CAS-BOT-BC466141  Pyrola picta John Thomas Howell 1939-8-5 15073 Siskiyou Spirit Lake, Marble Mts. 1828 Comment
  CAS-BOT-BC466153  Pyrola picta Wm. Bridge Cooke 1938-8-5 11454 Siskiyou Sisson Southern Trail, Mount Shasta [one specimen observed at 9000'] 1828 Comment
  CAS-BOT-BC466308  Pyrola picta C. L. Hitchcock; J. S. Martin 1939-7-8 5301 Siskiyou 15 miles No of Happy Camp on Happy Camp--Takilma Hwy 914 Comment
  SD88340  Pyrola picta Darley F. Howe 1972-7-6 Siskiyou 3.2 miles south of Oregon state line on road to Happy Camp 1402 Comment
  UC1034576  Pyrola picta Douglas Barbe 1955-7-26 269 Siskiyou Klamath Mountains, on nw slope of Scott Mountain Scott Mountain; Klamath Mountains, Scott Mountain 1828 Comment
  OBI55526  Pyrrocoma racemosa var. pinetorum David J. Keil 1992-7-21 23519 Siskiyou Klamath NF SE of Callahan on hwy 3, 2.1 mi NW of Scott Mtn summit Comment
  HSC67727  Quercus chrysolepis John Palmer 1980-8-12 691 Siskiyou SE of Ward's Gap. 1189 Comment
  UC70408  Quercus chrysolepis Milo S. Baker Jul 1899 Siskiyou near Dunsmuir; Sacramento River Comment
  CAS-BOT-BC94665  Quercus garryana L. R. Abrams 1924-8-7 9895 Siskiyou Klamath River 6 miles below Hornbrook Comment
  CDA21914  Quercus garryana E. Hale 1983-10-24 Siskiyou Guy s Gulch near Yreka. Comment
  CAS-BOT-BC62765  Quercus garryana var. breweri Marion Ownbey; Fred G. Meyer 1940-7-8 2229 Siskiyou summit of Siskiyou Mountains, 21 miles north of Happy Camp Comment
  OBI36119  Quercus garryana var. garryana David J. Keil 1983-7-3 17379 Siskiyou 11 mi NE of jctn with SR 3 along Gazelle-Callahan rd Comment
  UCD46070  Quercus garryana var. garryana Frank C. Vasek 1975-6-29 750629 -1 Siskiyou 1.9 miles south of Gazelle (toward Edgewood). Comment
  CAS-BOT-BC105465  Quercus kelloggii Alice Eastwood 1923-5-20 s.n. Siskiyou Shasta Springs Comment
  CAS-BOT-BC104360  Quercus sadleriana Louis C. Wheeler 1934-8-6 3048 Siskiyou Jaynes Canyon, Siskiyou Mts. 1859 Comment
  LA86551  Quercus sadleriana Sandra L. Holloway; 1963-10-12 77 Siskiyou Marble Mountain Wilderness Area, junction Red Rock Valley trail and Canyon Creek trail 1341 Comment
  RSA237783  Quercus sadleriana Frederick W. Oettinger 1968-9-7 761 Siskiyou Along the north shore of Tobacco Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1890 Comment
  UC1135782  Quercus sadleriana R. C. Bacigalupi 1935-10-21 2369 Siskiyou summit of road between Waldo and Happy Camp (near Del Norte-Siskiyou County line); Siskiyou National Forest, Seiad Quad. 1676 Comment
  UC705929  Quercus sadleriana Marion Ownbey, Fred G. Meyer 1940-7-8 2230 Siskiyou 20 mi n Happy Camp (near summit Siskiyou Mountains); Siskiyou Mountains Comment
  UC722975  Quercus sadleriana C. L. Hitchcock and J. S. Martin 1939-7-6 5221 Siskiyou on Takilma - Happy Camp road 1676 Comment
  UCD47246  Quercus sadleriana R. Tofsrud; J. M. Tucker 1948-8-3 1779 B Siskiyou Summit of Happy Camp-Waldo (Oregon) road, on Del Norte-Siskiyou County line, California. 1554 Comment
  UCD47249  Quercus sadleriana P. C. Everett; E. K. Balls 1954-10-13 20292 Siskiyou Indian Creek rd. to Obrien, 20 1/2 mi. n.w. from Hwy 96 at Happy Camp, Siskiyou County. 1524 Comment
  UCD47253  Quercus sadleriana J. M. Tucker 1963-7-9 3735 Siskiyou Ca. 3/4 mile east of Marble Valley Guard Station, upper Canyon Creek, Marble Mountain Wilderness Area, Siskiyou County, California. 1615 Comment
  RSA96709  Quercus sadleriana Percy C. Everett, E. K. Balls 1954-10-13 20292 Siskiyou Indian Creek road to Obrien, 20 1/2 miles northwest from Hwy 96 at Happy Camp. 1524 Comment
  CAS-BOT-BC104626  Quercus vacciniifolia Alice Eastwood 1921-6-24 10759 Siskiyou Castle Lake Comment
  CAS-BOT-BC104629  Quercus vacciniifolia John Thomas Howell 1939-8-2 14880 Siskiyou Spirit Lake, Marble Mts. 1828 Comment
  HSC19225  Quercus vacciniifolia J. O. Sawyer 1968-9-28 749 Siskiyou Along ridge NE of Orleans Mtn. 1677 Comment
  POM210972  Quercus vacciniifolia Louis C. Wheeler 1934-8-8 3066 Siskiyou W Fork Beaver Creek, Siskiyou Mts. Mt Diablo Mer 1677 Comment
  RSA237792  Quercus vacciniifolia Frederick W. Oettinger 1969-8-18 1436 Siskiyou Southeast of and over the ridge from Horse Range Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1829 Comment
  SBBG1344  Quercus vacciniifolia H. and M. Dearing 1939-6-30 3765 Siskiyou Callahan-Trinity Alps Rd Comment
  UCD47466  Quercus vacciniifolia Beecher Crampton 1956-8-21 3847 Siskiyou Canyon of the Sacramento River just above the junction of the North Fork with Middle and South Forks, southwest of Mt. Shasta City, Siskiyou County. 1066 Comment
  UC535898  Ranunculus alismifolius var. alismifolius Elmer I. Applegate 1931-6-24 6808 Siskiyou Medicine Lake; w side 1981 Comment
  HSC28663  Ranunculus aquatilis var. diffusus Frederick W. Oettinger 1969-9-5 1679 Siskiyou Marble Mtn. Wilderness Area, Abbott's Lake 1768 Comment
  UCR37849  Ranunculus eschscholtzii var. suksdorfii K. T. Stillman 1976-6-25 81 A Siskiyou Marble Mountain Wilderness Area. On north side of Elk Valley 1799 Comment
  HSC60673  Ranunculus flammula var. ovalis Ruby Van Deventer Siskiyou Bear Meadow. Comment
  UC166128  Ranunculus occidentalis Geo. D. Butler 1909-4-25 683 Siskiyou Quartz Valley Comment
  HSC37533  Ranunculus occidentalis var. occidentalis J. P. Smith 1974-5-26 7569 Siskiyou Along FS Rd. 47N03 1524 Comment
  POM99364  Ranunculus occidentalis var. ultramontanus Edward Palmer 1892-7-13 2499 Siskiyou Mount Shasta and vicinity Comment
  HSC33982  Ranunculus orthorhynchus var. orthorhynchus J. P. Smith 1974-5-25 7471 Siskiyou Along Rd. 8, 4.7 mi. W of its junction with Hwy. 3 1159 Comment
  JEPS41969  Rhamnus purshiana Willis L. Jepson 1894-1 13967 Siskiyou Sisson Upper Sacramento Region Comment
  UC54506  Rhamnus rubra H. M. Hall and E. B. Babcock Jun 1903 4122 Siskiyou Head of McCloud River Mount Shasta 1524 Comment
  SJSU6535  Rhodiola integrifolia subsp. integrifolia R. W. Trivelpiece 1973-6-30 162 Siskiyou Big Duck L, Scott R drainage c. 7.5 mi W of Callahan 2042 Comment
  HSC22286  Rhododendron columbianum J. O. Sawyer 1969-6-12 873 Siskiyou SE facing upper slope above Sugar Creek 1890 Comment
  OBI14446  Rhododendron occidentale H. E. McMinn 1931-6-27 2535 Siskiyou Summit above Weitchpec Comment
  OBI55461  Rhododendron occidentale David J. Keil, Kathleen Keil 1992-7-21 23543 Siskiyou Klamath NF SE of Callahan. Forest Road 40N08, 1.7 mi W of Scott Mtn road (Hwy 3)). Comment
  CAS-BOT-BC438000  Ribes Alice Eastwood 1912-7-19 1245 Siskiyou Mount Shasta Comment
  POM92673  Ribes aureum Geo. D. Butler 1910-6-12 1559 Siskiyou Yreka Creek. Comment
  RSA29916  Ribes binominatum Louis C. Wheeler 1934-7-3 2854 Siskiyou Soda Creek, Sterling Mt. Siskiyou Mountains. (Mt. Diablo Mer.) 1677 Comment
  HSC20283  Ribes cereum D. M. Thomson 1965-8-7 177 Siskiyou California Lava Beds National Monument, 1 mile up Cave Loop Trail. Comment
  UCD102130  Ribes cereum Jack Major 1961-7-14 635 Siskiyou Panther Creek, Mount Shasta. 1790 Comment
  UC1034607  Ribes inerme var. inerme Douglas Barbe 1955-6-29 42 Siskiyou 1.8 mi e Callahan (s bank of river); Klamath Mountains, Scott River 975 Comment
  CAS-BOT-BC173288  Ribes lacustre Doris K. Kildale 1929-7-20 8667 Siskiyou Raspberry Lake, upper Indian Creek 1828 Comment
  CAS-BOT-BC173293  Ribes lacustre T. H. Harris 1951-6-1 s.n. Siskiyou Indian Creek, Happy Camp 1066 Comment
  UC165924  Ribes lacustre Geo. D. Butler 1908-8-8 263 Siskiyou Marble Valley Comment
  SEINET12220211  Ribes lacustre H. P. Chandler 1901-1 1561 Siskiyou near Marble Mountain, North Coast Ranges 1829 Comment
  HSC31732  Ribes lobbii Glenn McGourty 1974-5-25 57 Siskiyou Along Road 8, 4.7mi W of junction with Hwy. 3 1159 Comment
  SEINET3151805  Ribes lobbii G. D. Butler 1910-5-30 1442 Siskiyou Humbug Creek Comment
  RSA0021142  Ribes lobbii J. M. Tucker 1974-7-28 4324 Siskiyou Adjacent to camp at Haypress Meadows, Marble Mountain Wilderness Area. 1463 Comment
  RSA0021147  Ribes lobbii I. L. Wiggins 1955-7-22 13460 Siskiyou Ridge W of China Creek, S side of S Fork of Salmon River. 960 Comment
  CAS-BOT-BC217882  Ribes nevadense Lester Rowntree 1937-7-23 s.n. Siskiyou Caribou Lake Comment
  JEPS82696  Ribes nevadense Wayne Roderick 1984-6-7 Siskiyou sw Stewart Springs (Cabin Meadow) 1912 Comment
  UC726985  Ribes nevadense A. A. Heller 1920-8-12 13513 Siskiyou 3 1/2 mi from Horse Camp Comment
  CAS-BOT-BC200004  Ribes roezlii var. cruentum Louis C. Wheeler 1934-6-28 2815 Siskiyou Klamath National Forest. Little Soda Creek 1066 Comment
  CAS-BOT-BC200006  Ribes roezlii var. cruentum B. Bartholomew; B. Anderson 1988-5-12 4081 Siskiyou 4 km E of Hambone Butte between Hambone Butte and the N end of White Horse Mountains on Old Two Camp Road 1140 Comment
  RSA0024599  Ribes roezlii var. cruentum Geo. D. Butler 1909-4-15 645 Siskiyou Humbug Creek. Comment
  UC1408854  Ribes sanguineum Frederick W. Oettinger 1969-7-9 936 Siskiyou nw Upper English Lake; Salmon Mountains, Marble Mountain Wilderness Area 1920 Comment
  CAS-BOT-BC173914  Ribes velutinum T. Howell 1889-4-15 s.n. Siskiyou Hornbrook Comment
  UC165745  Ribes velutinum Geo. D. Butler 1910-5-8 1308 Siskiyou near Yreka Comment
  JEPS77659  Ribes viscosissimum William J. Ferlatte 1974-7-15 1540 Siskiyou Yellow Rose Mine Trail Trinity Alps 1645 Comment
  LA205491  Ribes viscosissimum W. B. C.; 1939-6-30 13570 Siskiyou Mount Shasta, near the source of MacBride Springs 1523 Comment
  CAS-BOT-BC74662  Rorippa curvisiliqua Louis C. Wheeler 1934-7-3 2872 Siskiyou Klamath Forest. Soda Creek. 1676 Comment
  JEPS84186  Rorippa curvisiliqua L. R. Heckard with J. Hickman et al. 1986-7-17 6513 Siskiyou n slope Condrey Mt.; n slope Condrey Mt. 1960 Comment
  SBBG30531  Rorippa curvisiliqua D. Myrick 1968-6-26 2032 Siskiyou Big Flat, head of Coffee Crk; Trinity Alps 1524 Comment
  HSC29182  Rorippa curvisiliqua Frederick W. Oettinger 1968-8-22 495 Siskiyou Salmon Mtns., Marble Mtn. Wilderness Area, just before first moraine en route to Tobacco Lake 1890 Comment
  RSA237294  Rorippa curvisiliqua Frederick W. Oettinger 1969-9-1 1574 Siskiyou Dry Lake. The Salmon Mtns. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1982 Comment
  JEPS47279  Rosa Ruby Van Deventer 1938-7-31 270 Siskiyou Twin Valley 1219 Comment
  CAS-BOT-BC146750  Rosa gymnocarpa Alice Eastwood 1917-9-2 6678 Siskiyou Shasta Springs Comment
  HSC67674  Rosa gymnocarpa John Palmer 1980-7-24 595 Siskiyou Klamath National Forest, Elk Hole 1503 Comment
  JEPS33851  Rosa gymnocarpa Gilbert Muth 1966-7-29 466 Siskiyou by waterfall Marble Mt. Wilderness Area, Marble Valley 1828 Comment
  UCD77976  Rosa gymnocarpa Robert E. Preston 2002-7-12 1912 Siskiyou Rainbow Mountain and Vicinity. Klamath National Forest, S slope of Rainbow Mountain 1893 Comment
  RSA96938  Rosa gymnocarpa Percy C. Everett, E. K. Balls 1954-10-11 20267 Siskiyou Castle Lake Forest Service Camp. SW of town of Mt. Shasta. 1555 Comment
  UC725330  Rosa pisocarpa A. A. Heller 1915-7-18 12112 Siskiyou Metcalf's ranch Mt. Eddy (ne base of mt.) 1188 Comment
  UCSB63909  Rotala ramosior Oswald, Vernon; Ahart, Lowell 1997-7-28 Siskiyou On the east side of Forest Route 15, 10.9 mi north of Hwy. 89: T41N R2E Sect. 18 1383 Comment
  HSC36659  Rubus armeniacus Brent Whitely 1975-6-20 6 Siskiyou 223 Comment
  CAS-BOT-BC156599  Rubus bifrons William M. Hiesey 1947-8-23 557 Siskiyou Klamath River along Highway 96, one mile west of Beaver Creek (2 mi. N. of Walker) 548 Comment
  LA208215  Rubus glaucifolius Louis C. Wheeler; 3233 Siskiyou Siskiyou Mountains, Bear Creek off W. Fork Beaver Creek 1767 Comment
  UC861594  Rubus glaucifolius Louis C. Wheeler 1934-8-31 3233 Siskiyou Bear Creek off West Fork Beaver Creek; Siskiyou Mts, Bear Creek off West Fork Beaver Creek 1767 Comment
  CAS-BOT-BC147163  Rubus laciniatus Alice Eastwood 1912-7-23 1317 Siskiyou Dunsmuir Comment
  HSC65268  Rubus lasiococcus R. White 1977-6-4 79 Siskiyou 1/4 mi. from Buck Lake by trail 1250 Comment
  UCR95195  Rubus lasiococcus L. C. Wheeler 1963-8-29 8307 Siskiyou Siskiyou Mountains: W fork Clear Creek 1433 Comment
  CAS-BOT-BC147976  Rubus leucodermis Edward Lee 1934-8-15 1133 Siskiyou Near summit of Happy Camp to Waldo (Oregon) Road, Indian Creek watershed, Klamath National Forest 1584 Comment
  HSC69286  Rubus parviflorus Maralyn A. Renner 1980-7-24 1951 Siskiyou Pacific Crest Trail above Lily Pad Lake. 1799 Comment
  HSC99747  Rubus parviflorus Carl W. Mize 1972-6-22 93 Siskiyou Cut bank 1 1/2 mi. from Offield Lookout 854 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
  UC224171  Rumex acetosella H. E. Brown Jun 1 1897-Jun 10 1897 304 Siskiyou near Sisson; ; separated from UC224172, coll H. E. Brown in Idaho, Aug 1896, #22 1083 Comment
  UC618813  Rumex acetosella W. Bridge Cooke 1938-8-21 11549 Siskiyou Shasta Alpine Lodge Mount Shasta, Horse Camp 2438 Comment
  CAS-BOT-BC103371  Salix bonplandiana Gordon H. True 1968-8-6 4580 Siskiyou On Yreka-Ashland Highway at Shasta River bridge, ca. 5 miles north of Yreka Comment
  CAS-BOT-BC103543  Salix commutata Gilbert Muth 1965-8-5 s.n. Siskiyou Along trail behind Blk. Mt. Comment
  RSA215632  Salix eastwoodiae Gilbert Muth 1969-8-11 1356 Siskiyou Boulder Peak. 2378 Comment
  LA208557  Salix exigua var. exigua W. B. C.; 1940-6-20 15157 Siskiyou along the Pacific Highway in the Klamath River gorge 609 Comment
  LA208690  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 450.0 Comment
  SD79846  Salix exigua var. hindsiana Helen V. Witham 1969-10-8 579 Siskiyou Scott River at Indian Scotty Campground 700 Comment
  RSA610755  Salix laevigata Louis C. Wheeler 1935-5-11 3472 Siskiyou Klamath River at Ash Creek; Siskiyou Mountains. 610 Comment
  UC163665  Salix lasiandra subsp. lasiandra Geo. D. Butler 1910-4-9 1161 Siskiyou Yreka Creek Comment
  CAS-BOT-BC125451  Salix lasiandra var. lasiandra Louis C. Wheeler 1934-7-6 2893 Siskiyou Klamath National Forest, Hungry Creek 1371 Comment
  CAS-BOT-BC125473  Salix lasiandra var. lasiandra W. R. Dudley 1907-8-26 s.n. Siskiyou Salmon Mountains Comment
  CAS-BOT-BC125481  Salix lasiandra var. lasiandra A. A. Heller 1915-7-18 12129 Siskiyou Metcalfs ranch, northeast base of Mt. Eddy 1371 Comment
  CAS-BOT-BC107073  Salix lasiolepis Mrs. H. P. Bracelin 1931-6-19 420 Siskiyou Northeast side of Mount Eddy, about 16 km. northwest of Shasta City 1515 Comment
  CAS-BOT-BC107081  Salix lasiolepis s.n. Siskiyou 11 miles N.W. from Mt. Shasta City, and about 2 miles E. of Burney Mill, N. base of Mt. Eddy 1127 Comment
  POM219894  Salix lasiolepis H. P. Bracelin 1931-6-19 420 Siskiyou NE side of Mt Eddy. About 16 km NW of Shasta City. 1515 Comment
  SD998  Salix lasiolepis Mrs. H. P. Bracelin 1931-6-19 Siskiyou Northeast side of Mount Eddy, about 16 km northwest of Shasta City, above Metcalf ranch house 1424 Comment
  CAS-BOT-BC124537  Salix lasiolepis var. lasiolepis Alice Eastwood 1917-9-2 s.n. Siskiyou Shasta Springs Comment
  CAS-BOT-BC128350  Salix lasiolepis var. lasiolepis L. E. Smith 1913-3-1 s.n. Siskiyou Mt. Eddy Comment
  CHSC52132  Salix lemmonii E. L. Smith 1971-8-20 1058 Siskiyou At Mt. Shasta City. 1085 Comment
  POM107034  Salix lucida subsp. lasiandra Geo. D. Butler 1910-4-10 1161 Siskiyou Yreka Creek. Comment
  RSA30427  Salix lucida subsp. lasiandra A. A. Heller 1915-7-18 12129 Siskiyou Metcalf Ranch. NE base of Mt Eddy. 1372 Comment
  CAS-BOT-BC126148  Salix scouleriana John Thomas Howell 1939-8-5 15080 Siskiyou Spirit Lake, Marble Mts. 1828 Comment
  CAS-BOT-BC129034  Salix scouleriana Geo. B. Grant 1902-9-1 5168 Siskiyou Sisson 1219 Comment
  CAS-BOT-BC129036  Salix scouleriana Mrs. H. P. Bracelin 1931-6-19 435 Siskiyou North base of Mount Eddy, east of Metcalf ranch house, about 10 km. northwest of Shasta City 1080 Comment
  HSC65499  Salix scouleriana R. White 1977-6-20 90 Siskiyou NE area around Devil's Punchbowl 1433 Comment
  OBI70521  Salix scouleriana D. G. Kelch, Marianne Cabot 2008-8-12 s.n. Siskiyou Ft. Jones, 6711 Mill Creek rd Comment
  UCR142841  Salix scouleriana Mrs. H. P. Bracelin 1931-6-21 472 Siskiyou North base of Mount Eddy, about 13 km. northwest of Shasta City, about 1.3 km east of Burney Mill 1110 Comment
  RSA238008  Salix sitchensis Frederick W. Oettinger 1968-9-4 697 Siskiyou Slope SE of Abbott's Lake. Salmon Mtns. High Lake Basins in the vicinity of English Peak. Marble Mtn Wilderness Area. 1768 Comment
  RSA12668  Salvia sonomensis Carl B. Wolf 1934-7-6 6026 Siskiyou West side of Mt Shasta, along Snowline road, 3.3 miles from Mt. Shasta City 1524 Comment
  JEPS12732  Sambucus mexicana W. L. Jepson July, 1894 Siskiyou Sisson Comment
  CAS-BOT-BC236482  Sambucus racemosa subsp. racemosa Doris K. Kildale 1928-7-2 5414 Siskiyou Salmon Summit via Horn Creek Trail 1981 Comment
  HSC287  Sambucus racemosa var. racemosa William J. Ferlatte 1967-8-22 1080 Siskiyou Caribou Basin. 1982 Comment
  SEINET11918953  Sanguisorba annua H. M. Hall, Babcock, E. B. 1903-1 4046 Siskiyou Mount Shasta, Sierra Nevada Mountains, near Sisson 1036 Comment
  SEINET13945133 Image available Sanicula bipinnatifida Lincoln Constance, R. H. Shan 1946-1 3060 Siskiyou East bank of Sacramento River at Dunsmuir, alt. 2300 ft 701 Comment
  CHSC10153  Saponaria officinalis L. C. Wheeler 1934-9-16 3267 Siskiyou Walker, Klamath River, Siskiyou Mts. 518 Comment
  UC1212565  Saponaria officinalis Francia Chisaki and Helen Sharsmith 1959-8-20 4740 Siskiyou on road from Callahan three mi before reaching Etna (Scott Valley); Inner North Coast Ranges, Scott Valley 853 Comment
  CAS-BOT-BC110341  Sarcobatus vermiculatus Robert F. Thorne; J. Henrickson; C. W. Tilforth 1969-9-3 39040 Siskiyou Ca. 2 miles west of Lower Klamath National Wildlife Refuge. 1295 Comment
  CHSC81485  Sarcobatus vermiculatus Ann Willyard 2000-6-21 417 Siskiyou On private ranch ca. 3 air mi n Lake Shastina, ca. 3 air mi e Interstate 5; ca. 1 air mi w Hole-in-the-Ground-Springs. UTM: 10 547700 E 4602900 N. 792 Comment
  UCD101779  Sarcobatus vermiculatus Collector unknown 1950-1 s.n. Siskiyou Siskiyou County. Comment
  CDA8575  Saussurea americana T. C. Fuller, Don Shaw 1974-9-24 2045 Siskiyou Northwestern; Klamath Ranges region; Headwaters of Horse Creek, southwest slope of White Mountain, Siskiyou Mountains. 0 Comment
  SD88171  Saussurea americana D. H. Shaw, T. C. Fuller 1974-9-24 20045 Siskiyou Headwaters of Horse Creek, southwest slope of White Mountain, Siskiyou Mountains. Comment
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Dec 7 2013
  UC909373  Saxifraga aprica Ira L. Wiggins 1950-5-28 12387 Siskiyou .3 mi w of Carmen Lake 1706 Comment
  SEINET10871268  Saxifraga bryophora Mary Susan Taylor 1980-7-8 Taylor 3095 Siskiyou T39N R5W south center sec 19, Dunsmuir quad; Shasta-Trinity Natl Forest; S end of Little Castle Lake, in steep granitic cliffs. 1768 Comment
  JEPS43051  Saxifraga ferruginea Geo. D. Butler 1908-8-9 24 Siskiyou Camp at Marble Mountain Valley 1676 Comment
  RSA760542  Saxifraga ferruginea R. F. Thorne, Frederick W. Oettinger 1969-8-4 63366 Siskiyou Klamath National Forest, Salmon Mountains, Marble Mountain Wilderness Area, high lake basins in the vicinity of English Peak Comment
  JEPS86118  Saxifraga integrifolia Wayne Roderick 1966-6-26 Siskiyou Cook and Green Pass Area, just e of Pass Cook and Green Pass Area 1371 Comment
  UC922301  Saxifraga odontoloma Annie M. Alexander and Louise Kellogg 1949-7-24 5859 Siskiyou Paradise Lake, trail to Bear Lake Paradise Lake; Marble Mountains, Paradise Lake 1920 Comment
  UCD126453  Schedonorus arundinaceus Roseman 1913-1 36 Siskiyou Butte Valley. Comment
  RSA239119  Schedonorus pratensis Frederick W. Oettinger 1969-8-16 1402 Siskiyou 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-BC283651  Schedonorus pratensis W. B. C. 1938-9-17 11694 Siskiyou Horse Camp, Mount Shasta Comment
  CAS-BOT-BC110853  Scirpus congdonii Alice Eastwood 1921-7-24 10765 Siskiyou Castle Lake Comment
  SEINET7592335 Image available Scirpus congdonii Frederick W. Oettinger 1968-1 357 Siskiyou Common on E side of Diamond Lake near outlet. High lake basins in the vicinity of English Peak Marble Mountain Wilderness area. 2073 Comment
  UC1152064  Scirpus congdonii Joseph P. Tracy 1950-7-19 19203 Siskiyou in swamp about 5 mi se Elk Valley (Flint Valley); se of Elk Valley, Flint Valley 1432 Comment
  UCR70884  Scribneria bolanderi L. C. Wheeler 1935-5-18 3500 Siskiyou Siskiyou Mtns, Yreka Creek 854 Comment
  CHSC75723  Scutellaria antirrhinoides Vernon H. Oswald; Lowell Ahart 1999-7-5 9823 Siskiyou Hwy. 3 on Scott Mtn. 5.9 mi southwest of Gazelle-Callahan Hwy., 0.6 mi northwest of the highway summit. 1569 Comment
  HSC63624  Scutellaria antirrhinoides J. P. Smith, Steve Selva 1970-6-14 3867 Siskiyou Comment
  RSA240087  Scutellaria antirrhinoides Frederick W. Oettinger 1969-8-12 1333 Siskiyou Near Yellow Dog Creek. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 915 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
  CHSC71486  Scutellaria galericulata Vernon H. Oswald; Lowell Ahart 1998-7-21 9350 Siskiyou Northeast of Weed and south of Macdoel along Old State Highway on the west side of Bray. On the edge of the marsh. 1417 Comment
  SBBG6520  Scutellaria siphocampyloides H. and M. Dearing 1939-6-3 3532 Siskiyou near Scott Bar Comment
  UC722730  Sedum lanceolatum C. L. Hitchcock, J. S. Martin 1939-7-9 5331 Siskiyou 1/2 mi se King's Castle (Marble Mts.); , se of King's Castle 1828 Comment
  RSA0059720  Sedum lanceolatum L. C. Wheeler 1934-8-9 3075 Siskiyou Head of Jaynes Canyon; Siskiyou Mts. Mt. Diablo Mer. North slope. 1921 Comment
  RSA0076356  Sedum lanceolatum E. K. Balls 1949-7-8 13915 Siskiyou Trail from Scott Mountain Camp to Carmen Lake, Scott Mt. 1753 Comment
  CHSC118116  Sedum moranense Nick Otting; Dick Brainerd 2014-7-6 3832 Siskiyou Klamath Mountains, Lake Mountain, hairpin of foresst road just below peak, 7 air miles west of Scott Bar. UTM zone 10 489704E 4621479N WGS84. 2034 Comment
  JEPS48011  Sedum obtusatum Geo. D. Butler 1908-6-27 140 Siskiyou Forest House Mountain 914 Comment
  CHSC460  Sedum obtusatum subsp. boreale V. Holt 1932-6-26 Siskiyou Mt. Eddy. 1981 Comment
  UC1045308  Sedum obtusatum subsp. boreale W. B. Cooke 1940-8-22 15459 Siskiyou banks Mud Creek Canyon; Mount Shasta, banks Mud Creek Canyon 1981 Comment
  UC1409245  Sedum obtusatum subsp. boreale Frederick W. Oettinger 1968-9-7 770 Siskiyou nw-facing slope Golden Peak (due se Tobacco Lake and at approx mid slope, Salmon Mountains, High Lake Basins vicinity English Peak, Marble Mountain Wilderness Area); Salmon Mountains, Marble Mountain Wilderness Area, Golden Pe 2011 Comment
  HSC81579  Sedum obtusatum subsp. obtusatum Thomas W. Nelson, Jane P. Nelson 1980-7-17 6088 Siskiyou Along FS Rd. 17, 1 mi. N of summit at county line 2073 Comment
  HSC19431  Sedum obtusatum subsp. retusum J. O. Sawyer 1968-7-9 418 Siskiyou Ridge between Sugar Creek and Duck Lake Creek drainages 2195 Comment
  HSC4764  Sedum obtusatum subsp. retusum William J. Ferlatte 1966-8-19 455 Siskiyou Head Of Kidd Creek 2134 Comment
  HSC77279  Sedum obtusatum subsp. retusum L. P. Janeway 1983-7-3 374 Siskiyou NW of Poker Flat 1585 Comment
  SEINET13761495  Sedum oregonense R. E. Brainierd, N. Otting 2013-7-8 CWG- 247 Siskiyou Salmon Mountains, Russian Wilderness, ridge S Little Duck Lake. 2236 Comment
  HSC76686  Sedum stenopetalum K. T. Stillman 1976-7-30 321 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-BC59181  Sedum stenopetalum subsp. stenopetalum Dorothy Parker 1950-8-3 484 Siskiyou Little Mill Creek, Mount Bolivar 1828 Comment
  RSA237787  Selaginella densa var. scopulorum Frederick W. Oettinger 1968-9-3 680 Siskiyou West of Horse Range Lake. Salmon Mtns. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area; 1905 Comment
  CAS-BOT-BC363424  Senecio aronicoides Alice Eastwood 1921-7-24 10713 Siskiyou Castle Lake Comment
  CAS-BOT-BC363426  Senecio aronicoides Alice Eastwood 1921-7-28 10881 Siskiyou Medicine Lake Comment
  SEINET11802863  Senecio aronicoides Unknown 1936-1 13321 Siskiyou near Castello Comment
  UC1040774  Senecio hydrophilus Thomas C. Horn 1956-8-6 Siskiyou w side Lower Klamath Lake; w side Lower Klamath Lake Comment
  CAS-BOT-BC364044  Senecio integerrimus var. major Harley P. Chandler 1901-6-1 1606 Siskiyou North Coast Ranges. Ridges and meadows near Marble Mountain 1981 Comment
  CAS-BOT-BC364046  Senecio integerrimus var. major J. H. Thomas 1954-5-13 4137 Siskiyou Southwestern Siskiyou County. Salmon Mountains, Klamath National Forest. Near South Fork of Salmon River, 5 to 9 miles southeast of Cecilville. Vicinity of Blind Horse Creek 1066 Comment
  RSA94751  Senecio streptanthifolius F. W. Peirson 1923-7-19 3922 Siskiyou Lairds Landing Comment
  CAS-BOT-BC364422  Senecio triangularis Louis C. Wheeler 1934-8-9 3084 Siskiyou Head of Jaynes Canyon, Siskiyou Mts. 1981 Comment
  CAS-BOT-BC364428  Senecio triangularis John Thomas Howell 1939-8-7 15135 Siskiyou Sky High Valley, Marble Mts. 1828 Comment
  HSC19472  Senecio triangularis J. O. Sawyer 1968-7-9 432 Siskiyou W of Little Duck Lake. 1936 Comment
  HSC58875  Senecio triangularis Marvin Butler 1971-7-12 111 Siskiyou Near Copper Camp, close to the town of Cave Junction 1433 Comment
  HSC81561  Senecio triangularis Thomas W. Nelson, Jane P. Nelson 1980-7-19 6208 Siskiyou Along USFS Rd. 40N17 1.0 mi. from junction with Callahan-Cecilville Rd. 1585 Comment
  RSA264986  Senecio triangularis G. L. Clifton 1975-7-28 5765 Siskiyou Near Cook and Green Pass near the Seiad Valley 1646 Comment
  HSC29092  Senecio triangularis Frederick W. Oettinger 1968-8-1 343 Siskiyou Marble Mtn. Wilderness Area, S of Hancock Lake 2043 Comment
  RSA237491  Senecio triangularis Frederick W. Oettinger 1968-8-24 628 Siskiyou Stream side below meadow between Flume and Tom's Lake stream. The Salmon Mountains, High Lake basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1890 Comment
  CAS-BOT-BC364789  Sericocarpus oregonensis subsp. oregonensis L. E. Smith 1915-7-1 s.n. Siskiyou Dunsmuir Comment
  JEPS24017  Sericocarpus oregonensis subsp. oregonensis Rimo Bacigalupi with Drs. Reino and Aloha Alava 1958-9-3 6878 Siskiyou 2 mi w Seiad Valley; Klamath River, Portuguese Creek 396 Comment
  HSC59012  Sidalcea oregana Marvin Butler 1971-7-21 189 Siskiyou Near Bell Echo Camp, close to the town of Cave Junction 1433 Comment
  UC108899  Sidalcea oregana subsp. spicata T. S. Brandegee July 1888 Siskiyou Sisson's Comment
  CAS-BOT-BC181195  Silene campanulata subsp. glandulosa Geo. D. Butler 1909-7-15 962 Siskiyou Highland Mine Comment
  UC162885  Silene campanulata subsp. glandulosa Harley P. Chandler June, 1901 1715 Siskiyou ridges and meadows near Marble Mountain (Shackleford Canyon); North Coast Ranges, near Marble Mt., Shackleford Canyon 1828 Comment
  UCD98558  Silene campanulata subsp. glandulosa Joseph M. DiTomaso 1975-7-27 302 Siskiyou Yellow Rose Mine, Trinity Alps. 2011 Comment
  POM267218  Silene campanulata subsp. greenei Marion Ownbey, Fred G. Meyer 1940-7-6 2199 Siskiyou Summit of Cayenne Ridge, Marble Mountain Comment
  RSA120891  Silene campanulata subsp. greenei Milo S. Baker 1957-6-16 13157 Siskiyou Trip to Scott Mt. after turn off near Callahan. Comment
  HSC19522  Silene douglasii J. O. Sawyer 1969-7-24 1195 Siskiyou NE facing slope above Sugar Lake 1784 Comment
  CAS-BOT-BC388962  Silene grayi C. L. Hitchcock; J. S. Martin 1939-7-9 5320 Siskiyou Between King's Castle and Black Mt., west side of ridge 1828 Comment
  SEINET196523  Silene grayi R. Tofsrud, J. M. Tucker 1948-8-2 1764 Siskiyou Panther Meadows south slope of Mt. Shasta. 2408 Comment
  CAS-BOT-BC388968  Silene grayi G. J. Muth 1969-8-8 1297 Siskiyou Boulder Peak Ridge, Top 2286 Comment
  CDA3457  Silene latifolia subsp. alba L. Witherspoon, F. D. Horn 1978-8-21 Siskiyou Highway 97 South, Butte Valley, Mt. Hebron. 0 Comment
  CAS-BOT-BC389422  Silene lemmonii Roxana S. Ferris; Laura Lorraine 1948-6-12 11735 Siskiyou French Creek Logging Road west of Callahan 1219 Comment
  CAS-BOT-BC389428  Silene lemmonii Wm. Bridge Cooke 1940-6-7 15104 Siskiyou Along the Pacific Highway near Black Butte Comment
  HSC41680  Silene marmorensis J. O. Sawyer, Ken Stillman 1976-7-1 2762 Siskiyou Streamside terraces and lower slopes along the Little N Fork of the Salmon River. 732 Comment
  POM182779  Silene menziesii var. viscosa Geo. D. Butler 1909-6-10 967 Siskiyou Yreka Creek. Comment
  CAS-BOT-BC75159  Sisymbrium altissimum Alice Eastwood 1912-7-15 1125 Siskiyou McCloud. Comment
  RSA113633  Sisymbrium altissimum R. McP Brown 1956-7-20 s.n. Siskiyou Lava Beds National Monument, Captain Jack s Stronghold. Comment
  HSC67458  Sisyrinchium bellum J. P. Smith, Steve Selva 1970-7-27 4517 Siskiyou Gumboot Lake 1768 Comment
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Jun 7 2012
  RSA68933  Sisyrinchium idahoense A. E. Culbertson 25 Siskiyou In the vicinity of Castle Lake, in a north facing cirque with an abrupt 1000 back wall; 14 miles SW of Mt. Shasta on N side of a 6600 eastern spur of Trinity Mts. 2000 above Sacramento R. within 10 air miles of its headwaters to the west. 1657 Comment
  HSC68273  Solanum parishii J. P. Smith, Steve Selva 1970-6-15 3968 Siskiyou 20 mi. E of Cecilville on the road to Callahan. 1646 Comment
  CHSC72242  Solanum physalifolium var. nitidibaccatum Vernon H. Oswald; Lowell Ahart 1998-9-16 9638 Siskiyou Hwy. 161 adjacent to a marsh at the Lower Klamath NWR 5.3 mi east of Hwy. 97. At roadside. 1243 Comment
  POM89973  Solanum physalifolium var. nitidibaccatum L. R. Abrams 1922-8-7 9918 Siskiyou 1 mi S of Weed. Comment
  CAS-BOT-BC157044  Solanum umbelliferum A. Eastwood; J. T. Howell 1934-4-20 1772 Siskiyou Near Yreka along Shasta River Comment
  CAS-BOT-BC157046  Solanum umbelliferum E. D. Cantelow 1936-5-20 1440 Siskiyou S.W. slope of Salmon Mt. nr. summit 1817 Comment
  SEINET7262072 Image available Solanum villosum A. A. Heller 1915-8-24 12208 Siskiyou Metcalf's Ranch, NE base of Mount Eddy Comment
  UC485631  Solidago confinis Geo. B. Grant Sep 1902 5063 Siskiyou South part of California, Valley 304 Comment
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Aug 7 2012
  CAS-BOT-BC365579  Solidago elongata Copeland 1903-8-12 3823 Siskiyou Sisson 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
  RSA749254  Solidago multiradiata K. M. Meyer, A. Townesmith 2007-7-31 178 Siskiyou Shasta-Trinity National Forest. 8.1 mi. on NF Rd. 17, off US Hwy 97. 1607 Comment
  UC1409234  Solidago velutina subsp. californica Frederick W. Oettinger 1968-9-5 706 Siskiyou High Lake Basins in the vicinity English Peak (English Lake Basin, Western Siskiyou County); Salmon Mountains, Marble Mountain Wilderness Area, English L 1897 Comment
  CDA7676  Sonchus arvensis subsp. uliginosus T. C. Fuller 1963-8-27 11162 Siskiyou South side of Dorris-Tulelake Road where the roadbed forms the north shore of Lower Klamath Lake, Lower Klamath Lake Wildlife Refuge, ca. 12 miles west of Hatfield. 0 Comment
  HSC18905  Sorbus californica J. O. Sawyer 1968-7-23 590 Siskiyou Along trail from Brown's Valley to Caribou Basin including areas around Snowslide Lake and Caribou Lake. 1829 Comment
  RSA237824  Sorbus californica Frederick W. Oettinger 1967-7-20 180 Siskiyou Outlet stream from Diamond Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2073 Comment
  HSC18982  Sorbus scopulina J. O. Sawyer 1969-8-4 1896 Siskiyou Above S Sugar Lake 2043 Comment
  HSC44932  Sorbus scopulina J. O. Sawyer 1978-6-19 3250 Siskiyou Marble Mtn. Wilderness Area, trail between Timothy Gulch and Harry Hall Gulch 1433 Comment
  UCD92633  Sorghum halepense Collector Unknown 1956-8-21 s.n. Siskiyou Mt. Shasta City. Comment
  UCD170026  Spergularia rubra Louis C. Wheeler 1934-9-2 3239 Siskiyou Siskiyou Mountains, Miller Glade. 1828 Comment
  UC70411  Spiraea densiflora Milo S. Baker 1899-7-31 Siskiyou Ash Creek Mt. Shasta (above Warren and Anderson's Mill, e slope of Mt. Shasta) Comment
  CAS-BOT-BC149694  Spiraea douglasii Alice Eastwood 1912-7-15 1112 Siskiyou [Mc Cloud] McCloud Comment
  JEPS45019  Spiraea douglasii W. L. Jepson Jul 1894 13855 Siskiyou Sisson Comment
  POM140097  Spiraea douglasii Alice Eastwood 1903-8-12 3836 Siskiyou Sisson. 1067 Comment
  UCD114054  Spiraea douglasii R. Tofsrud; J. M. Tucker 1948-8-2 1751 Siskiyou Outskirts of McCloud. Comment
  HSC100319  Spiraea splendens J. P. Smith, J. O. Sawyer 2011-7-21 13033 Siskiyou Flint Valley, at the end of the G-O Road. 1313 Comment
  UCD21460  Spiraea splendens Ellen Dean; with Gary Nakamura and K. Mawdsley 2002-7-28 1201 Siskiyou Shasta Trinity National Forest; NW of Castle Crags, in Castle Crags Wilderness. Found west of I-5, near headwaters of the south fork of the Sacramento River. Along shores of Gray Rock Lake. 1800 Comment
  JEPS84076  Stachys ajugoides var. rigida L. R. Heckard with S. D'Alcamo, J. Hickman, S. Winchester 1986-7-15 6306 Siskiyou just s state line (Indian Creek Road from Takilma to Happy Camp) Comment
  CDA41015  Stachys ajugoides var. rigida T. R. Haig & F. D. Horn 1979-8-16 s.n. Siskiyou Gumboot Lake Area, west of Dunsmuir. 0 Comment
  HSC27097  Stachys rigida J. P. Smith, J. O. Sawyer 1972-9-14 5808 Siskiyou Miner's Creek Rd. just S of French Creek Rd. between Callahan and Etna. 915 Comment
  POM208265  Stachys rigida subsp. rigida Louis C. Wheeler 1934-6-4 2631 Siskiyou Hamburg Gulch off Horse Creek. (Mt. Diablo Mer.) Siskiyou Mts. 610 Comment
  RSA289945  Stachys rigida subsp. rigida Geo. D. Butler 1908-6-29 174 Siskiyou Butler s ranch near Yreka. Comment
  UC1191452  Stellaria longipes var. longipes Herbert L. Mason 1948-7-18 13611 Siskiyou Grass Lake Comment
  POM101769  Stellaria media Geo. D. Butler 1909-3-19 559 Siskiyou Yreka Creek. Comment
  RSA576948  Stellaria media subsp. pallida L. C. Wheeler 1934-6-19 2736 Siskiyou North Hungry Creek. Siskiyou Mtns. 1098 Comment
  HSC41046  Stellaria nitens J. O. Sawyer 1970-3-4 2065 Siskiyou N of Idlewild Campground 762 Comment
  CAS-BOT-BC375943  Stephanomeria virgata Louis C. Wheeler 1934-7-17 2912 Siskiyou Klamath National Forest. Cottonwood Cr. 1036 Comment
  HSC38713  Stipa lemmonii J. D. Ackerman 1975-7-18 575 Siskiyou S fork of Sacramento River, off USFS Rd. 40N30, between Mt. Eddy and Boulder Pk., SW of Mt. Shasta City Comment
  SEINET10603842  Stipa lemmonii Louis C. Wheeler 1935-5-11 Wheeler 3480 Siskiyou Siskiyou Mts., Mt. Diablo Mer. Klamath River at Ash Creek. Low , sunny, formerly wet site. 610 Comment
  HSC30534  Stipa occidentalis var. californica Frederick W. Oettinger, R. F. Thorne 1969-8-4 1156 Siskiyou Salmon Mountains, above Halfway Spring on trail from English Lake to Diamond Lake 1829 Comment
  LA206433  Stipa occidentalis var. californica J. R. Swallen; 1939-7-21 13736 Siskiyou Mount Shasta, above Wagon Camp 1828 Comment
  JEPS19691  Streptanthus barbatus Rimo Bacigalupi with S. Galen Smith and Geo. Bacigalupi Jr. 1957-6-26 5966 Siskiyou at river's source in the region just s Mount Eddy (along very poor mt road to Gumboot Lake); Canyon of the South Fork of the Sacramento River 1371 Comment
  UC584296  Streptanthus barbatus G. L. Stebbins Jr. and J. A. Jenkins 1937-7-17 2428 Siskiyou e and ne slope of spur of ridge above Sulloway Creek (about 1/2 mi w of Mt. Shasta City); Rainbow Ridge 1380 Comment
  CAS-BOT-BC61133  Streptanthus barbatus G. L. Stebbins, Jr.; J. A. Jenkins 1937-7-17 2428 Siskiyou East and northeast slope of spur of Rainbow Ridge above Sulloway Creek about 1.5 mile west of Mount Shasta City. 1188 Comment
  OBI55476  Streptanthus barbatus David J. Keil, Kathleen Keil 1992-7-21 23530 Siskiyou Klamath Natl Forest SE of Callahan. Forest Rd 40N08, 1.7 mi W of Scott Mtn rd (hwy 3) Comment
  CAS-BOT-BC87840  Streptanthus tortuosus Alice Eastwood 1912-9-1 2065 Siskiyou Mount Shasta. Comment
  CAS-BOT-BC87959  Streptanthus tortuosus Reed Rollins 1938-8-21 11555 Siskiyou Mount Shasta. Around the various water supply springs above Horse Camp and around Horse Camp fountain overflow. 2438 Comment
  RSA12673  Streptanthus tortuosus C. B. Wolf 1934-7-6 6022 Siskiyou SW side of Mt. Shasta about 1/2 mile S of trail to Horse Camp. 1524 Comment
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Jul 4 2012
  HSC43270  Streptanthus tortuosus var. tortuosus K. Irwin 1977-5-22 392 Siskiyou On S Fork Salmon River Rd., 4.5 mi. W of Cecilville Comment
  SBBG16528  Streptanthus tortuosus var. tortuosus D. Myrick 1961-6-20 273 Siskiyou gravelly field near Mt Shasta City 1066 Comment
  HSC62129  Suksdorfia ranunculifolia Ruby Van Deventer 28 Jun [year missing] Siskiyou Raspberry Lake, 2 mi. W of Copper Mtn. Comment
  UC166206  Swertia albicaulis var. nitida Geo. D. Butler 1908-6-25 416 Siskiyou near Yreka Comment
  UC1565731  Swertia perennis W. J. Ferlatte 1980-9-1 2033 Siskiyou ca 0.5 mi n China Mountain (n 70 degrees e of Crater Lake) 2316 Comment
  CAS-BOT-BC234779  Symphoricarpos mollis John Thomas Howell 1939-8-2 14947 Siskiyou Spirit Lake, Marble Mts. 1828 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
  JEPS66686  Symphoricarpos mollis Geo. D. Butler 1908-8-21 90 Siskiyou Etna Creek 1219 Comment
  CDA42311  Symphoricarpos mollis G. D. Barbe 1973-8-14 1701 Siskiyou Site of proposed quarantine station south of Mt. Shasta City, west side of Interstate 5. Comment
  CHSC36144  Symphoricarpos rotundifolius var. rotundifolius K. Bridwell 1978-7-8 177 Siskiyou N slope of Sheep Mountain, ca. 10 mi E of Macdoel. 1645 Comment
  RSA215620  Symphoricarpos vaccinioides Gilbert Muth 1969-8-7 1259 Siskiyou East side of Boulder Peak Ridge. 2470 Comment
  CAS-BOT-BC97579  Symphyotrichum ascendens W. R. Dudley 1899-8-13 s.n. Siskiyou Near Nabar Meadows Comment
  JEPS22081  Symphyotrichum bracteolatum Willis L. Jepson 1894-7-24 Siskiyou Shasta Springs Upper Sacramento Comment
  UC60980  Symphyotrichum bracteolatum Geo. B. Grant 1902-9-1 5156 Siskiyou Mount Shasta 914 Comment
  UC1192077  Symphyotrichum frondosum Verne Grant and Irving Schneider 1947-8-25 8281 Siskiyou west side of Tule Lake Comment
  JEPS100300  Symphyotrichum spathulatum var. spathulatum Dean W. Taylor 2001-8-28 17908 Siskiyou Mt. Shasta, Ash Creek Butte, Suprise Lake 2057 Comment
  JEPS72982  Taeniatherum caput-medusae W. L. Jepson 1940-6-22 19965 Siskiyou near Hilt (Hilt to Hawkinsville); Quarantine Station 914 Comment
  POM359939  Taeniatherum caput-medusae E. E. Stanford 1930-6-16 1602 Siskiyou Roadsides and open fields near Hornbrook Comment
  NY342307  Talinum A. A. Heller 1915-8-26 12218 Siskiyou Near the source of the Wagon Creek, Mt. Eddy 2590.8 Comment
  RSA237669  Tauschia howellii Frederick W. Oettinger 1967-8-21 298 Siskiyou 20 yards south off the Tom Taylor Cabin- Pine Lake Trail, just after one leaves the first patch of Red Fir woods (heading towards Pine Lake). The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2073 Comment
  UC60897  Taxus brevifolia W. A. Setchell, C. C. Dobie 1902-7-22 Siskiyou The Bend Mount Shasta, McCloud River (McCloud River) Comment
  SBBG33706  Taxus brevifolia W. M. Plum 1969-9-23 Siskiyou Parks Crk below China Mtn Comment
  UC1037315  Thalictrum fendleri Leo Whitney 1934-6-24 1852 Siskiyou near Tennant; Antelope Creek 1463 Comment
  SBBG70248  Thelypodium brachycarpum A. A. Heller 1927-8-2 14441 Siskiyou N end of Shasta Valley, near the Klamath River Comment
  POM228972  Thelypodium brachycarpum L. C. Wheeler 1935-6-30 3637 Siskiyou Shasta Valley, 3 miles S of Grenada. 793 Comment
  RSA530128  Thelypodium brachycarpum D. W. Taylor 1987-8-9 9289 Siskiyou Lower Klamath Nat l Wildlife Refuge, alon Hwy 161 (Oregon border) 8.3 miles W from Hwy 139. 1250 Comment
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Jun 7 2008
  UC1481738  Thelypteris nevadensis unknown Oct 1941 Siskiyou e fork of Horse Creek 762 Comment
  CHSC85707  Thermopsis robusta G. F. Hrusa 1998-7-5 14700 Siskiyou Siskiyou Mountains. Cedar Camp Rd. +/- 5 mi. E of Weitchpec on Hwy 96. N side of Hwy. Mile 8.8. Comment
  UC1222602  Thermopsis robusta Joseph P. Tracy 1950-7-18 19220 Siskiyou Prospect Hill 1219 Comment
  CAS-BOT-BC66795  Thysanocarpus curvipes J. H. Thomas 1954-5-13 4153 Siskiyou Klamath National Forest. Salmon Mountains. Near South Fork of Salmon River, 5 to 9 miles southesat of Cecilville. 1127 Comment
  CAS-BOT-BC66798  Thysanocarpus curvipes John Thomas Howell; T. C. Fuller; G. D. Barbe 1980-5-20 53556 Siskiyou East Fork Scott River 2 miles east of Callahan on road to Gazelle. 1005 Comment
  RSA0041643  Thysanocarpus radians K. L. Chambers, C. G. Carlbom 1962-4-21 2103 Siskiyou Hwy. 99, 5.6 mi. S of the center of Yreka. Comment
  HSC62274  Tiarella trifoliata var. unifoliata Ruby Van Deventer Aug 1957 Siskiyou Youngs Valley. Comment
  RSA211324  Tofieldia glutinosa subsp. occidentalis William J. Ferlatte 1966-8-16 369 Siskiyou Trinity Alps: Big Flat, between campground and south forth of the Salmon River 1524 Comment
  CAS-BOT-BC447628  Tolmiea menziesii H. A. Thomas; J. H. Thomas 1954-7-23 4474 Siskiyou Salmon- Trinity Mts. About 6 miles SE of Cecilville. Vicinity of Blind Horse Creek. 1036 Comment
  SBBG27137  Tonella tenella L. C. Wheeler 1936-5-5 3460 Siskiyou Greenhorn Crk, on N slope 853 Comment
  SEINET13750575  Tonella tenella G. D. Butler 1910-4-17 1193 Siskiyou Near Yreka. Comment
  POM127970  Toxicodendron diversilobum L. R. Abrams 1922-8-6 9900 Siskiyou Klamath River 6 miles below Hornbrook Comment
  CAS-BOT-BC519574  Triantha occidentalis subsp. occidentalis A. A. Heller 1920-7-30 13488 Siskiyou Metcalf's ranch, northeast base of Mt. Eddy 1158 Comment
  CHSC32946  Trientalis latifolia James P. Smith; Advanced Plant Taxonomy Class 1973-5-5 6401 Siskiyou In and around the O'Neill Campground near Seiad Valley. 487 Comment
  SEINET3164071  Trientalis latifolia G. D. Butler 1910-5-23 1392 Siskiyou Humbug Mountain 1219 Comment
  UC166586  Trientalis latifolia Geo. D. Butler 1910-5-23 1392 Siskiyou Humbug Mountain 1219 Comment
  UC1101403  Trifolium cyathiferum Herbert L. Mason 1948-7-17 13604 Siskiyou eastern Grass Lake Comment
  UC375410  Trifolium cyathiferum Geo. D. Butler 1908-8-3 386 Siskiyou Shackleford Creek Log Lake Comment
  POM229944  Trifolium dubium Louis C. Wheeler 1935-6-27 3617 Siskiyou Greenview, Scott Valley. 884 Comment
  JEPS95830  Trifolium eriocephalum subsp. eriocephalum Vernon H. Oswald and L. Ahart 1999-7-5 9806 Siskiyou Gazelle Mtn. on road 41N03 0.2 mi southeast of Gazelle-Callahan Hwy.: T41N R7W Sect. 3, 4950 ft, yellow pine forest, serpentine substrate 1508 Comment
  POM349496  Trifolium eriocephalum subsp. eriocephalum M. B. Dunkle 1944-7-15 9104 Siskiyou Siskiyou National Park Comment
  UC968606  Trifolium eriocephalum var. eriocephalum C. L. Hitchcock and J. S. Martin 1939-7-7 5276 Siskiyou ca 13 mi s Takilma (Oregon); Sanger Peak Trail Comment
  POM313506  Trifolium howellii Kennedy 1926-6-21 s.n. Siskiyou Shackleford Creek Comment
  UC630997  Trifolium hybridum A. A. Heller 1916-6-20 12415 Siskiyou Metcalf's Ranch ne base of Mt. Eddy 1188 Comment
  RSA14979  Trifolium hybridum H. P. Bracelin 1931-6-20 433 Siskiyou Metcalf Ranch, Mt. Eddy. Comment
  UC1025112  Trifolium kingii var. productum Douglas Barbe 1955-7-9 154 Siskiyou s shore Kangaroo Lake; Scott Mtns 1828 Comment
  HSC61932  Trifolium longipes Ruby Van Deventer 1959-7-9 Siskiyou Poker Flat 1585 Comment
  SBBG3845  Trifolium longipes subsp. oreganum H. and M. Dearing 1939-6-5 3556 Siskiyou E of McCloud 1066 Comment
  JEPS97189  Trifolium longipes var. elmeri Julie Kierstead Nelson with Maria Ulloa-Cruz 1995-8-22 95056 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
  JEPS84258  Trifolium longipes var. shastense L. R. Heckard with S. D'Alcamo, J. Hickman, S. Winchester 1986-7-16 6319 Siskiyou Ca 7 mi NNE of Seiad Valley, W of Cook and Green Pass, ca 1/2 air mile from Red Butte, eastern slopes of butte. 1750 Comment
  SBBG15604  Trifolium pratense D. Myrick 1961-6-20 276 Siskiyou near Mt Shasta City 1066 Comment
  HSC18994  Trifolium productum J. O. Sawyer 1969-8-5 1931 Siskiyou N of S Sugar Lake 1890 Comment
  POM222616  Trifolium repens H. P. Bracelin 1931-6-20 433 Siskiyou Metcalf Ranch, Mt. Eddy. Comment
  UC164234  Trifolium wormskioldii Geo. D. Butler 1909-6-26 915 Siskiyou McNutty's Field near Yreka Comment
  UC726165  Trifolium wormskioldii A. A. Heller 1916-7-20 12459 Siskiyou ne base Mt. Eddy (Metcalf's ranch) 1188 Comment
  CAS-BOT-BC451782  Triglochin maritima Geo. D. Butler 1910-8-21 1846 Siskiyou Shasta Valley Comment
  CAS-BOT-BC133466  Trillium ovatum A. M. Vollmer; L. Beane 1951-6-2 62 Siskiyou Road between Streamline Lodge and Deer Camp, north of Klamath River Highway Comment
  UC1409210  Trillium ovatum subsp. oettingeri Frederick W. Oettinger 1967-6-27 124 Siskiyou off Music Creek Log rd. Salmon Mts, High Lake Basins, English Peak vicinity, Marble (ne. 1/4 of n.w. 1/4 of Sect. 23, Etna Quad.) 1731 Comment
  CAS-BOT-BC200091  Trisetum canescens Alice Eastwood 1912-7-17 1099 Siskiyou Mc Cloud [McCloud] Comment
  HSC30665  Trisetum canescens Frederick W. Oettinger, R. F. Thorne 1969-8-4 1158 Siskiyou Salmon Mountains, above Halfway Spring on trail from English Lake to Diamond Lake 1829 Comment
  CAS-BOT-BC200264  Trisetum spicatum Wm. Bridge Cooke 1938-8-18 11485 Siskiyou Horse Camp Springs. Around the southwest side of Shasta Comment
  CAS-BOT-BC200266  Trisetum spicatum Alice Eastwood 1921-7-28 10910 Siskiyou Medicine Lake Comment
  RSA238976  Trisetum spicatum Frederick W. Oettinger 1968-9-6 734 Siskiyou Trail southeast of Tom's Lake. Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2165 Comment
  UCD94373  Trisetum spicatum R. Tofsrud 1948-8-1 s.n. Siskiyou Panther Meadow, Mt. Shasta. 2438 Comment
  CAS-BOT-BC133490  Triteleia crocea Elizabeth McClintock; Wayne Roderick; Martha Roderick 1967-7-28 s.n. Siskiyou Gumboot Lake, Trinity Mts. 1828 Comment
  UC164091  Triteleia crocea Geo. D. Butler 1909-5-30 786 Siskiyou Humbug Mountain Comment
  SEINET10472653  Triteleia grandiflora Mary Susan Taylor 1980-7-8 Taylor 3116 Siskiyou T39N R5W se sec 24, Dunsmuir quad; Shasta-Trinity Natl Forest; on ridge S of Castle Lake, above Hearts Lake. 2017 Comment
  CHSC2079  Triteleia hyacinthina M. Yoder 1941-7-21 Siskiyou Castle Lake. 1981 Comment
  UC333367  Triteleia hyacinthina unknown 1889-6-27 Siskiyou near Edgewood Comment
  CAS-BOT-BC524321  Triteleia ixioides subsp. anilina L. E. Smith 1913-6-12 360 Siskiyou Sisson Comment
  HSC44884  Tsuga mertensiana Maralyn O'Meara 1974-5-25 391 Siskiyou Along road to Duck Lakes trail 1402 Comment
  UC1223744  Tsuga mertensiana J. M. Tucker 1963-7-8 3734 Siskiyou ca 1 mi n Marble Valley (e side of Black Mountain); Marble Mountain Wilderness Area, Black Mountain 1981 Comment
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Jun 25 2013
  UC915712  Tsuga mertensiana W. L. Jepson July 1907 Siskiyou Marble Mountain; w Siskiyou Co. Comment
  SEINET7343028 Image available Tsuga mertensiana Steve Selva, Roger Jensen 1974-1 53 Siskiyou T40N, R9W, Sec. 19. Upper elevations of slopes West of Little Duck Lake. Pure stands with little understory. Comment
  CAS-BOT-BC80249  Tsuga mertensiana subsp. grandicona W. R. Dudley 1900-10-22 s.n. Siskiyou on Mt. Eddy Comment
  HSC67617  Typha latifolia J. P. Smith, Steve Selva 1970-8-7 4540 Siskiyou Jct. I-5 and Stewart Creek Rd. Comment
  RSA68865  Vaccinium A. E. Culbertson 1943-6-23 91 Siskiyou On e. shore of Castle Lake (also at n.w. corner), 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
  CHSC88625  Vaccinium cespitosum Gail A. Newton; Steven Harris 1981-7-18 2254 Siskiyou Klamath National Forest. Near the Dillon Divide. 1609 Comment
  UC56728  Vaccinium deliciosum Harley P. Chandler Jun 1901 1617 Siskiyou near Marble Mountain; North Coast Ranges 2133 Comment
  HSC19332  Vaccinium membranaceum J. O. Sawyer 1969-8-4 1800 Siskiyou Above Sugar Lake 2134 Comment
  HSC19366  Vaccinium membranaceum J. O. Sawyer 1968-9-11 703 Siskiyou Slopes above Twin Valley 1524 Comment
  HSC19369  Vaccinium membranaceum J. O. Sawyer 1968-9-13 712 Siskiyou W of the Happy Camp/O'Brien Rd. between Louse Creek and Indian Creek, on the E slopes of Little Grayback 1463 Comment
  HSC19371  Vaccinium membranaceum J. O. Sawyer 1968-6-18 174 Siskiyou Above S Russian Creek on W side. 1463 Comment
  HSC31510  Vaccinium membranaceum Steve Selva, Roger Jensen 1974-8-22 34 Siskiyou Trail from Doe Flat campground to Buck Lake Comment
  HSC61122  Vaccinium membranaceum Ruby Van Deventer 1955-7-31 Siskiyou FS Rd. 17N04, Doe Flat Comment
  JEPS25878  Vaccinium membranaceum Rimo Bacigalupi with L. Constance and L. Heckard 1960-7-20 7465 Siskiyou about 12 air mi nw Happy Camp (at edge of Twin Valley meadows); Siskiyou Mts., Twin Valley 1584 Comment
  CAS-BOT-BC199479  Vaccinium parvifolium Doris K. Kildale 1929-7-20 8725 Siskiyou Trail from Elk Lick to Raspberry Lake, Indian Creek 1828 Comment
  HSC44966  Vaccinium uliginosum J. O. Sawyer 1978-6-20 3275 Siskiyou Marble Mtn. Wilderness Area, Hamilton Camp 1829 Comment
  HSC76931  Vahlodea atropurpurea K. T. Stillman 1976-8-8 399 Siskiyou Marble Mountain Wilderness Area, trail from Jump off to Paradise Lake Comment
  UC164333  Valeriana sitchensis subsp. sitchensis Geo. D. Butler 1910-7-7 1655 Siskiyou Shackleford Creek Comment
  CDA6695  Valerianella carinata Don Shaw 1972-6-1 Siskiyou Gus Goertz property, Ager-Montegue Road near Montegue. 0 Comment
  HSC68308  Vancouveria hexandra Maralyn A. Renner 1980-7-5 1521 Siskiyou Doe Flat 1220 Comment
  UC1409323  Veratrum viride Frederick W. Oettinger 1969-8-1 346 Siskiyou s side Hancock Lake (High Lake Basins in vicinity of English Peak, Marble Mountain Wilderness Area, western Siskiyou County); Salmon Mountains, Marble Mountain Wilderness Area 2042 Comment
  HSC30440  Veratrum viride Frederick W. Oettinger 1968-8-1 346 Siskiyou Marble Mtn. Wilderness Area, S of Hancock Lake 2043 Comment
  JEPS62213  Veratrum viride Geo. D. Butler 1908-8-9 535 Siskiyou Salmon Mts., M. M. Camp Comment
  UC1174940  Veratrum viride P. C. Everett and E. K. Balls 1959-10-23 23940 Siskiyou 4 mi sw from Etna (on road from Callaban to Somesbar); Salmon Mountains 1676 Comment
  HSC72388  Verbascum thapsus J. P. Smith, Steve Selva 1970-8-8 4545 Siskiyou Juanita Lake Comment
  HSC26737  Verbena lasiostachys William J. Ferlatte 1972-7-15 1399 Siskiyou Mtn. Meadow Ranch. 1524 Comment
  JEPS39081  Verbena lasiostachys var. lasiostachys Geo. D. Butler 1908-6-26 83 Siskiyou Butler Ranch near Yreka Comment
  HSC96828  Verbena lasiostachys var. lasiostachys S. Lyon 2006-6-29 7 Siskiyou E side of Eddy Gulch Rd., 3 mi. S of the intersection with Sawyers Bar Rd. 915 Comment
  UC61039  Veronica americana W. A. Setchell, C. C. Dobie 1902-7-13 Siskiyou Mount Shasta, Sisson Sisson; Mount Shasta, Sisson Comment
  JEPS66437  Veronica anagallis-aquatica L. R. Heckard and P. Rubtzoff 1971-8-2 2699 Siskiyou 2.2 mi w of Macdoel (along Meese Lake-Sams Nech Road) 1280 Comment
  RSA238794  Veronica serpyllifolia var. humifusa Frederick W. Oettinger 1969-8-19 1463 Siskiyou Between Abott's Lake and Charmaine Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1860 Comment
  CAS-BOT-BC419721  Vicia americana subsp. americana Julie Kierstead Nelson; J